r213171 - Make clang's rewrite engine a core feature
David Blaikie
dblaikie at gmail.com
Fri Jul 18 16:01:48 PDT 2014
I'll echo other sentiments that moving/renaming libraries and removing
config options are generally worth a *-dev thread with a few days
notice (or an LGTM from relevant parties).
Beyond that, we've now got a weird situation now where
"include/clang/Rewrite/Frontend*" headers are now defined in
"lib/clang/Frontend/Rewrite" - is there a plan to resolve that
inconsistency?
On Wed, Jul 16, 2014 at 9:48 AM, Alp Toker <alp at nuanti.com> wrote:
> Author: alp
> Date: Wed Jul 16 11:48:33 2014
> New Revision: 213171
>
> URL: http://llvm.org/viewvc/llvm-project?rev=213171&view=rev
> Log:
> Make clang's rewrite engine a core feature
>
> The rewrite facility's footprint is small so it's not worth going to these
> lengths to support disabling at configure time, particularly since key compiler
> features now depend on it.
>
> Meanwhile the Objective-C rewriters have been moved under the
> ENABLE_CLANG_ARCMT umbrella for now as they're comparatively heavy and still
> potentially worth excluding from lightweight builds.
>
> Tests are now passing with any combination of feature flags. The flags
> historically haven't been tested by LLVM's build servers so caveat emptor.
>
> Added:
> cfe/trunk/lib/Frontend/Rewrite/
> cfe/trunk/lib/Frontend/Rewrite/CMakeLists.txt
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt
> cfe/trunk/lib/Frontend/Rewrite/FixItRewriter.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp
> cfe/trunk/lib/Frontend/Rewrite/FrontendActions.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp
> cfe/trunk/lib/Frontend/Rewrite/HTMLPrint.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp
> cfe/trunk/lib/Frontend/Rewrite/InclusionRewriter.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp
> cfe/trunk/lib/Frontend/Rewrite/Makefile
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/Makefile
> cfe/trunk/lib/Frontend/Rewrite/RewriteMacros.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp
> cfe/trunk/lib/Frontend/Rewrite/RewriteModernObjC.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp
> cfe/trunk/lib/Frontend/Rewrite/RewriteObjC.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp
> cfe/trunk/lib/Frontend/Rewrite/RewriteTest.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp
> cfe/trunk/lib/Rewrite/DeltaTree.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp
> cfe/trunk/lib/Rewrite/HTMLRewrite.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp
> cfe/trunk/lib/Rewrite/RewriteRope.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp
> cfe/trunk/lib/Rewrite/Rewriter.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Core/Rewriter.cpp
> cfe/trunk/lib/Rewrite/TokenRewriter.cpp
> - copied, changed from r213167, cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp
> Removed:
> cfe/trunk/lib/Rewrite/Core/CMakeLists.txt
> cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp
> cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp
> cfe/trunk/lib/Rewrite/Core/Makefile
> cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp
> cfe/trunk/lib/Rewrite/Core/Rewriter.cpp
> cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp
> cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt
> cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp
> cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp
> cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp
> cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp
> cfe/trunk/lib/Rewrite/Frontend/Makefile
> cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp
> cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp
> cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp
> cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp
> cfe/trunk/test/FixIt/lit.local.cfg
> Modified:
> cfe/trunk/CMakeLists.txt
> cfe/trunk/examples/clang-interpreter/Makefile
> cfe/trunk/lib/ARCMigrate/CMakeLists.txt
> cfe/trunk/lib/Frontend/CMakeLists.txt
> cfe/trunk/lib/Frontend/Makefile
> cfe/trunk/lib/FrontendTool/ExecuteCompilerInvocation.cpp
> cfe/trunk/lib/FrontendTool/Makefile
> cfe/trunk/lib/Index/CMakeLists.txt
> cfe/trunk/lib/Makefile
> cfe/trunk/lib/Rewrite/CMakeLists.txt
> cfe/trunk/lib/Rewrite/Makefile
> cfe/trunk/lib/StaticAnalyzer/Core/CMakeLists.txt
> cfe/trunk/lib/Tooling/CMakeLists.txt
> cfe/trunk/test/CMakeLists.txt
> cfe/trunk/test/Makefile
> cfe/trunk/test/Rewriter/lit.local.cfg
> cfe/trunk/test/lit.site.cfg.in
> cfe/trunk/tools/CMakeLists.txt
> cfe/trunk/tools/Makefile
> cfe/trunk/tools/arcmt-test/Makefile
> cfe/trunk/tools/c-arcmt-test/Makefile
> cfe/trunk/tools/c-index-test/Makefile
> cfe/trunk/tools/clang-check/Makefile
> cfe/trunk/tools/clang-format/CMakeLists.txt
> cfe/trunk/tools/clang-format/Makefile
> cfe/trunk/tools/driver/Makefile
> cfe/trunk/tools/libclang/Makefile
> cfe/trunk/unittests/AST/Makefile
> cfe/trunk/unittests/ASTMatchers/Dynamic/Makefile
> cfe/trunk/unittests/ASTMatchers/Makefile
> cfe/trunk/unittests/CMakeLists.txt
> cfe/trunk/unittests/Format/Makefile
> cfe/trunk/unittests/Frontend/Makefile
> cfe/trunk/unittests/Makefile
> cfe/trunk/unittests/Sema/Makefile
> cfe/trunk/unittests/Tooling/CMakeLists.txt
> cfe/trunk/unittests/Tooling/Makefile
> cfe/trunk/unittests/libclang/Makefile
>
> Modified: cfe/trunk/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/CMakeLists.txt (original)
> +++ cfe/trunk/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -391,13 +391,6 @@ else()
> set(ENABLE_CLANG_ARCMT "0")
> endif()
>
> -option(CLANG_ENABLE_REWRITER "Build rewriter." ON)
> -if (CLANG_ENABLE_REWRITER)
> - set(ENABLE_CLANG_REWRITER "1")
> -else()
> - set(ENABLE_CLANG_REWRITER "0")
> -endif()
> -
> option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON)
> if (CLANG_ENABLE_STATIC_ANALYZER)
> set(ENABLE_CLANG_STATIC_ANALYZER "1")
> @@ -405,23 +398,13 @@ else()
> set(ENABLE_CLANG_STATIC_ANALYZER "0")
> endif()
>
> -if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_ARCMT)
> - message(FATAL_ERROR "Cannot disable rewriter while enabling ARCMT")
> -endif()
> -
> -if (NOT CLANG_ENABLE_REWRITER AND CLANG_ENABLE_STATIC_ANALYZER)
> - message(FATAL_ERROR "Cannot disable rewriter while enabling static analyzer")
> -endif()
> -
> if (NOT CLANG_ENABLE_STATIC_ANALYZER AND CLANG_ENABLE_ARCMT)
> message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT")
> endif()
>
> if(CLANG_ENABLE_ARCMT)
> add_definitions(-DCLANG_ENABLE_ARCMT)
> -endif()
> -if(CLANG_ENABLE_REWRITER)
> - add_definitions(-DCLANG_ENABLE_REWRITER)
> + add_definitions(-DCLANG_ENABLE_OBJC_REWRITER)
> endif()
> if(CLANG_ENABLE_STATIC_ANALYZER)
> add_definitions(-DCLANG_ENABLE_STATIC_ANALYZER)
>
> Modified: cfe/trunk/examples/clang-interpreter/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/examples/clang-interpreter/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/examples/clang-interpreter/Makefile (original)
> +++ cfe/trunk/examples/clang-interpreter/Makefile Wed Jul 16 11:48:33 2014
> @@ -20,7 +20,7 @@ LINK_COMPONENTS := jit interpreter nativ
> USEDLIBS = clangFrontend.a clangSerialization.a clangDriver.a clangCodeGen.a \
> clangParse.a clangSema.a clangStaticAnalyzerFrontend.a \
> clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
> - clangAnalysis.a clangRewriteCore.a clangRewriteFrontend.a \
> + clangAnalysis.a clangRewrite.a clangRewriteFrontend.a \
> clangEdit.a clangAST.a clangLex.a clangBasic.a
>
> include $(CLANG_LEVEL)/Makefile
>
> Modified: cfe/trunk/lib/ARCMigrate/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ARCMigrate/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/ARCMigrate/CMakeLists.txt (original)
> +++ cfe/trunk/lib/ARCMigrate/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -31,7 +31,7 @@ add_clang_library(clangARCMigrate
> clangEdit
> clangFrontend
> clangLex
> - clangRewriteCore
> + clangRewrite
> clangSema
> clangSerialization
> clangStaticAnalyzerCheckers
>
> Modified: cfe/trunk/lib/Frontend/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Frontend/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -1,3 +1,5 @@
> +add_subdirectory(Rewrite)
> +
> set(LLVM_LINK_COMPONENTS
> Option
> Support
>
> Modified: cfe/trunk/lib/Frontend/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Frontend/Makefile (original)
> +++ cfe/trunk/lib/Frontend/Makefile Wed Jul 16 11:48:33 2014
> @@ -8,7 +8,7 @@
> ##===----------------------------------------------------------------------===##
>
> CLANG_LEVEL := ../..
> +DIRS := Rewrite
> LIBRARYNAME := clangFrontend
>
> include $(CLANG_LEVEL)/Makefile
> -
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/CMakeLists.txt (from r213167, cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/CMakeLists.txt?p2=cfe/trunk/lib/Frontend/Rewrite/CMakeLists.txt&p1=cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Frontend/Rewrite/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -18,5 +18,5 @@ add_clang_library(clangRewriteFrontend
> clangEdit
> clangFrontend
> clangLex
> - clangRewriteCore
> + clangRewrite
> )
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/FixItRewriter.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/FixItRewriter.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/FixItRewriter.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/FrontendActions.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/FrontendActions.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/FrontendActions.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp (original)
> +++ cfe/trunk/lib/Frontend/Rewrite/FrontendActions.cpp Wed Jul 16 11:48:33 2014
> @@ -146,9 +146,7 @@ bool FixItRecompile::BeginInvocation(Com
> return true;
> }
>
> -//===----------------------------------------------------------------------===//
> -// Preprocessor Actions
> -//===----------------------------------------------------------------------===//
> +#ifdef CLANG_ENABLE_OBJC_REWRITER
>
> ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
> StringRef InFile) {
> @@ -166,6 +164,12 @@ ASTConsumer *RewriteObjCAction::CreateAS
> return nullptr;
> }
>
> +#endif
> +
> +//===----------------------------------------------------------------------===//
> +// Preprocessor Actions
> +//===----------------------------------------------------------------------===//
> +
> void RewriteMacrosAction::ExecuteAction() {
> CompilerInstance &CI = getCompilerInstance();
> raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/HTMLPrint.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/HTMLPrint.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/HTMLPrint.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/InclusionRewriter.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/InclusionRewriter.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/InclusionRewriter.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/Makefile (from r213167, cfe/trunk/lib/Rewrite/Frontend/Makefile)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/Makefile?p2=cfe/trunk/lib/Frontend/Rewrite/Makefile&p1=cfe/trunk/lib/Rewrite/Frontend/Makefile&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/Makefile (original)
> +++ cfe/trunk/lib/Frontend/Rewrite/Makefile Wed Jul 16 11:48:33 2014
> @@ -16,3 +16,7 @@ LIBRARYNAME := clangRewriteFrontend
>
> include $(CLANG_LEVEL)/Makefile
>
> +ifeq ($(ENABLE_CLANG_ARCMT),1)
> + CXX.Flags += -DCLANG_ENABLE_OBJC_REWRITER
> +endif
> +
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/RewriteMacros.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/RewriteMacros.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/RewriteMacros.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/RewriteModernObjC.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/RewriteModernObjC.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/RewriteModernObjC.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp (original)
> +++ cfe/trunk/lib/Frontend/Rewrite/RewriteModernObjC.cpp Wed Jul 16 11:48:33 2014
> @@ -30,6 +30,8 @@
> #include "llvm/Support/raw_ostream.h"
> #include <memory>
>
> +#ifdef CLANG_ENABLE_OBJC_REWRITER
> +
> using namespace clang;
> using llvm::utostr;
>
> @@ -7754,3 +7756,5 @@ Stmt *RewriteModernObjC::RewriteObjCIvar
> ReplaceStmtWithRange(IV, Replacement, OldRange);
> return Replacement;
> }
> +
> +#endif
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/RewriteObjC.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/RewriteObjC.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/RewriteObjC.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp (original)
> +++ cfe/trunk/lib/Frontend/Rewrite/RewriteObjC.cpp Wed Jul 16 11:48:33 2014
> @@ -29,6 +29,8 @@
> #include "llvm/Support/raw_ostream.h"
> #include <memory>
>
> +#ifdef CLANG_ENABLE_OBJC_REWRITER
> +
> using namespace clang;
> using llvm::utostr;
>
> @@ -5946,3 +5948,5 @@ Stmt *RewriteObjCFragileABI::RewriteObjC
> ReplaceStmtWithRange(IV, Replacement, OldRange);
> return Replacement;
> }
> +
> +#endif
>
> Copied: cfe/trunk/lib/Frontend/Rewrite/RewriteTest.cpp (from r213167, cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/Rewrite/RewriteTest.cpp?p2=cfe/trunk/lib/Frontend/Rewrite/RewriteTest.cpp&p1=cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Modified: cfe/trunk/lib/FrontendTool/ExecuteCompilerInvocation.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/FrontendTool/ExecuteCompilerInvocation.cpp?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/FrontendTool/ExecuteCompilerInvocation.cpp (original)
> +++ cfe/trunk/lib/FrontendTool/ExecuteCompilerInvocation.cpp Wed Jul 16 11:48:33 2014
> @@ -45,20 +45,12 @@ static FrontendAction *CreateFrontendBas
> case DumpTokens: return new DumpTokensAction();
> case EmitAssembly: return new EmitAssemblyAction();
> case EmitBC: return new EmitBCAction();
> -#ifdef CLANG_ENABLE_REWRITER
> case EmitHTML: return new HTMLPrintAction();
> -#else
> - case EmitHTML: Action = "EmitHTML"; break;
> -#endif
> case EmitLLVM: return new EmitLLVMAction();
> case EmitLLVMOnly: return new EmitLLVMOnlyAction();
> case EmitCodeGenOnly: return new EmitCodeGenOnlyAction();
> case EmitObj: return new EmitObjAction();
> -#ifdef CLANG_ENABLE_REWRITER
> case FixIt: return new FixItAction();
> -#else
> - case FixIt: Action = "FixIt"; break;
> -#endif
> case GenerateModule: return new GenerateModuleAction;
> case GeneratePCH: return new GeneratePCHAction;
> case GeneratePTH: return new GeneratePTHAction();
> @@ -87,25 +79,17 @@ static FrontendAction *CreateFrontendBas
> case PrintDeclContext: return new DeclContextPrintAction();
> case PrintPreamble: return new PrintPreambleAction();
> case PrintPreprocessedInput: {
> - if (CI.getPreprocessorOutputOpts().RewriteIncludes) {
> -#ifdef CLANG_ENABLE_REWRITER
> + if (CI.getPreprocessorOutputOpts().RewriteIncludes)
> return new RewriteIncludesAction();
> -#else
> - Action = "RewriteIncludesAction";
> - break;
> -#endif
> - }
> return new PrintPreprocessedAction();
> }
>
> -#ifdef CLANG_ENABLE_REWRITER
> case RewriteMacros: return new RewriteMacrosAction();
> - case RewriteObjC: return new RewriteObjCAction();
> case RewriteTest: return new RewriteTestAction();
> +#ifdef CLANG_ENABLE_OBJC_REWRITER
> + case RewriteObjC: return new RewriteObjCAction();
> #else
> - case RewriteMacros: Action = "RewriteMacros"; break;
> case RewriteObjC: Action = "RewriteObjC"; break;
> - case RewriteTest: Action = "RewriteTest"; break;
> #endif
> #ifdef CLANG_ENABLE_ARCMT
> case MigrateSource: return new arcmt::MigrateSourceAction();
> @@ -121,7 +105,7 @@ static FrontendAction *CreateFrontendBas
> }
>
> #if !defined(CLANG_ENABLE_ARCMT) || !defined(CLANG_ENABLE_STATIC_ANALYZER) \
> - || !defined(CLANG_ENABLE_REWRITER)
> + || !defined(CLANG_ENABLE_OBJC_REWRITER)
> CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action;
> return 0;
> #else
> @@ -137,11 +121,9 @@ static FrontendAction *CreateFrontendAct
>
> const FrontendOptions &FEOpts = CI.getFrontendOpts();
>
> -#ifdef CLANG_ENABLE_REWRITER
> if (FEOpts.FixAndRecompile) {
> Act = new FixItRecompile(Act);
> }
> -#endif
>
> #ifdef CLANG_ENABLE_ARCMT
> if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource &&
>
> Modified: cfe/trunk/lib/FrontendTool/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/FrontendTool/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/FrontendTool/Makefile (original)
> +++ cfe/trunk/lib/FrontendTool/Makefile Wed Jul 16 11:48:33 2014
> @@ -15,10 +15,7 @@ include $(CLANG_LEVEL)/../../Makefile.co
>
> ifeq ($(ENABLE_CLANG_ARCMT),1)
> CXX.Flags += -DCLANG_ENABLE_ARCMT
> -endif
> -
> -ifeq ($(ENABLE_CLANG_REWRITER),1)
> - CXX.Flags += -DCLANG_ENABLE_REWRITER
> + CXX.Flags += -DCLANG_ENABLE_OBJC_REWRITER
> endif
>
> ifeq ($(ENABLE_CLANG_STATIC_ANALYZER),1)
>
> Modified: cfe/trunk/lib/Index/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Index/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Index/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Index/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -14,6 +14,6 @@ add_clang_library(clangIndex
> clangBasic
> clangFormat
> clangLex
> - clangRewriteCore
> + clangRewrite
> clangTooling
> )
>
> Modified: cfe/trunk/lib/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Makefile (original)
> +++ cfe/trunk/lib/Makefile Wed Jul 16 11:48:33 2014
> @@ -11,14 +11,10 @@ CLANG_LEVEL := ..
> # ARCMigrate and Rewrite are always needed because of libclang.
> PARALLEL_DIRS = Headers Basic Lex Parse AST Sema CodeGen Analysis Frontend \
> FrontendTool Tooling Driver Format Edit Rewrite Serialization \
> - Index
> + Index ASTMatchers
>
> include $(CLANG_LEVEL)/../../Makefile.config
>
> -ifeq ($(ENABLE_CLANG_REWRITER),1)
> -PARALLEL_DIRS += ASTMatchers
> -endif
> -
> ifeq ($(ENABLE_CLANG_STATIC_ANALYZER),1)
> PARALLEL_DIRS += StaticAnalyzer
> endif
>
> Modified: cfe/trunk/lib/Rewrite/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Rewrite/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -1,2 +1,16 @@
> -add_subdirectory(Core)
> -add_subdirectory(Frontend)
> +set(LLVM_LINK_COMPONENTS
> + Support
> + )
> +
> +add_clang_library(clangRewrite
> + DeltaTree.cpp
> + HTMLRewrite.cpp
> + RewriteRope.cpp
> + Rewriter.cpp
> + TokenRewriter.cpp
> +
> + LINK_LIBS
> + clangAST
> + clangBasic
> + clangLex
> + )
>
> Removed: cfe/trunk/lib/Rewrite/Core/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/CMakeLists.txt?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Rewrite/Core/CMakeLists.txt (removed)
> @@ -1,16 +0,0 @@
> -set(LLVM_LINK_COMPONENTS
> - Support
> - )
> -
> -add_clang_library(clangRewriteCore
> - DeltaTree.cpp
> - HTMLRewrite.cpp
> - RewriteRope.cpp
> - Rewriter.cpp
> - TokenRewriter.cpp
> -
> - LINK_LIBS
> - clangAST
> - clangBasic
> - clangLex
> - )
>
> Removed: cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp (removed)
> @@ -1,464 +0,0 @@
> -//===--- DeltaTree.cpp - B-Tree for Rewrite Delta tracking ----------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This file implements the DeltaTree and related classes.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Core/DeltaTree.h"
> -#include "clang/Basic/LLVM.h"
> -#include <cstdio>
> -#include <cstring>
> -using namespace clang;
> -
> -/// The DeltaTree class is a multiway search tree (BTree) structure with some
> -/// fancy features. B-Trees are generally more memory and cache efficient
> -/// than binary trees, because they store multiple keys/values in each node.
> -///
> -/// DeltaTree implements a key/value mapping from FileIndex to Delta, allowing
> -/// fast lookup by FileIndex. However, an added (important) bonus is that it
> -/// can also efficiently tell us the full accumulated delta for a specific
> -/// file offset as well, without traversing the whole tree.
> -///
> -/// The nodes of the tree are made up of instances of two classes:
> -/// DeltaTreeNode and DeltaTreeInteriorNode. The later subclasses the
> -/// former and adds children pointers. Each node knows the full delta of all
> -/// entries (recursively) contained inside of it, which allows us to get the
> -/// full delta implied by a whole subtree in constant time.
> -
> -namespace {
> - /// SourceDelta - As code in the original input buffer is added and deleted,
> - /// SourceDelta records are used to keep track of how the input SourceLocation
> - /// object is mapped into the output buffer.
> - struct SourceDelta {
> - unsigned FileLoc;
> - int Delta;
> -
> - static SourceDelta get(unsigned Loc, int D) {
> - SourceDelta Delta;
> - Delta.FileLoc = Loc;
> - Delta.Delta = D;
> - return Delta;
> - }
> - };
> -
> - /// DeltaTreeNode - The common part of all nodes.
> - ///
> - class DeltaTreeNode {
> - public:
> - struct InsertResult {
> - DeltaTreeNode *LHS, *RHS;
> - SourceDelta Split;
> - };
> -
> - private:
> - friend class DeltaTreeInteriorNode;
> -
> - /// WidthFactor - This controls the number of K/V slots held in the BTree:
> - /// how wide it is. Each level of the BTree is guaranteed to have at least
> - /// WidthFactor-1 K/V pairs (except the root) and may have at most
> - /// 2*WidthFactor-1 K/V pairs.
> - enum { WidthFactor = 8 };
> -
> - /// Values - This tracks the SourceDelta's currently in this node.
> - ///
> - SourceDelta Values[2*WidthFactor-1];
> -
> - /// NumValuesUsed - This tracks the number of values this node currently
> - /// holds.
> - unsigned char NumValuesUsed;
> -
> - /// IsLeaf - This is true if this is a leaf of the btree. If false, this is
> - /// an interior node, and is actually an instance of DeltaTreeInteriorNode.
> - bool IsLeaf;
> -
> - /// FullDelta - This is the full delta of all the values in this node and
> - /// all children nodes.
> - int FullDelta;
> - public:
> - DeltaTreeNode(bool isLeaf = true)
> - : NumValuesUsed(0), IsLeaf(isLeaf), FullDelta(0) {}
> -
> - bool isLeaf() const { return IsLeaf; }
> - int getFullDelta() const { return FullDelta; }
> - bool isFull() const { return NumValuesUsed == 2*WidthFactor-1; }
> -
> - unsigned getNumValuesUsed() const { return NumValuesUsed; }
> - const SourceDelta &getValue(unsigned i) const {
> - assert(i < NumValuesUsed && "Invalid value #");
> - return Values[i];
> - }
> - SourceDelta &getValue(unsigned i) {
> - assert(i < NumValuesUsed && "Invalid value #");
> - return Values[i];
> - }
> -
> - /// DoInsertion - Do an insertion of the specified FileIndex/Delta pair into
> - /// this node. If insertion is easy, do it and return false. Otherwise,
> - /// split the node, populate InsertRes with info about the split, and return
> - /// true.
> - bool DoInsertion(unsigned FileIndex, int Delta, InsertResult *InsertRes);
> -
> - void DoSplit(InsertResult &InsertRes);
> -
> -
> - /// RecomputeFullDeltaLocally - Recompute the FullDelta field by doing a
> - /// local walk over our contained deltas.
> - void RecomputeFullDeltaLocally();
> -
> - void Destroy();
> - };
> -} // end anonymous namespace
> -
> -namespace {
> - /// DeltaTreeInteriorNode - When isLeaf = false, a node has child pointers.
> - /// This class tracks them.
> - class DeltaTreeInteriorNode : public DeltaTreeNode {
> - DeltaTreeNode *Children[2*WidthFactor];
> - ~DeltaTreeInteriorNode() {
> - for (unsigned i = 0, e = NumValuesUsed+1; i != e; ++i)
> - Children[i]->Destroy();
> - }
> - friend class DeltaTreeNode;
> - public:
> - DeltaTreeInteriorNode() : DeltaTreeNode(false /*nonleaf*/) {}
> -
> - DeltaTreeInteriorNode(const InsertResult &IR)
> - : DeltaTreeNode(false /*nonleaf*/) {
> - Children[0] = IR.LHS;
> - Children[1] = IR.RHS;
> - Values[0] = IR.Split;
> - FullDelta = IR.LHS->getFullDelta()+IR.RHS->getFullDelta()+IR.Split.Delta;
> - NumValuesUsed = 1;
> - }
> -
> - const DeltaTreeNode *getChild(unsigned i) const {
> - assert(i < getNumValuesUsed()+1 && "Invalid child");
> - return Children[i];
> - }
> - DeltaTreeNode *getChild(unsigned i) {
> - assert(i < getNumValuesUsed()+1 && "Invalid child");
> - return Children[i];
> - }
> -
> - static inline bool classof(const DeltaTreeNode *N) { return !N->isLeaf(); }
> - };
> -}
> -
> -
> -/// Destroy - A 'virtual' destructor.
> -void DeltaTreeNode::Destroy() {
> - if (isLeaf())
> - delete this;
> - else
> - delete cast<DeltaTreeInteriorNode>(this);
> -}
> -
> -/// RecomputeFullDeltaLocally - Recompute the FullDelta field by doing a
> -/// local walk over our contained deltas.
> -void DeltaTreeNode::RecomputeFullDeltaLocally() {
> - int NewFullDelta = 0;
> - for (unsigned i = 0, e = getNumValuesUsed(); i != e; ++i)
> - NewFullDelta += Values[i].Delta;
> - if (DeltaTreeInteriorNode *IN = dyn_cast<DeltaTreeInteriorNode>(this))
> - for (unsigned i = 0, e = getNumValuesUsed()+1; i != e; ++i)
> - NewFullDelta += IN->getChild(i)->getFullDelta();
> - FullDelta = NewFullDelta;
> -}
> -
> -/// DoInsertion - Do an insertion of the specified FileIndex/Delta pair into
> -/// this node. If insertion is easy, do it and return false. Otherwise,
> -/// split the node, populate InsertRes with info about the split, and return
> -/// true.
> -bool DeltaTreeNode::DoInsertion(unsigned FileIndex, int Delta,
> - InsertResult *InsertRes) {
> - // Maintain full delta for this node.
> - FullDelta += Delta;
> -
> - // Find the insertion point, the first delta whose index is >= FileIndex.
> - unsigned i = 0, e = getNumValuesUsed();
> - while (i != e && FileIndex > getValue(i).FileLoc)
> - ++i;
> -
> - // If we found an a record for exactly this file index, just merge this
> - // value into the pre-existing record and finish early.
> - if (i != e && getValue(i).FileLoc == FileIndex) {
> - // NOTE: Delta could drop to zero here. This means that the delta entry is
> - // useless and could be removed. Supporting erases is more complex than
> - // leaving an entry with Delta=0, so we just leave an entry with Delta=0 in
> - // the tree.
> - Values[i].Delta += Delta;
> - return false;
> - }
> -
> - // Otherwise, we found an insertion point, and we know that the value at the
> - // specified index is > FileIndex. Handle the leaf case first.
> - if (isLeaf()) {
> - if (!isFull()) {
> - // For an insertion into a non-full leaf node, just insert the value in
> - // its sorted position. This requires moving later values over.
> - if (i != e)
> - memmove(&Values[i+1], &Values[i], sizeof(Values[0])*(e-i));
> - Values[i] = SourceDelta::get(FileIndex, Delta);
> - ++NumValuesUsed;
> - return false;
> - }
> -
> - // Otherwise, if this is leaf is full, split the node at its median, insert
> - // the value into one of the children, and return the result.
> - assert(InsertRes && "No result location specified");
> - DoSplit(*InsertRes);
> -
> - if (InsertRes->Split.FileLoc > FileIndex)
> - InsertRes->LHS->DoInsertion(FileIndex, Delta, nullptr /*can't fail*/);
> - else
> - InsertRes->RHS->DoInsertion(FileIndex, Delta, nullptr /*can't fail*/);
> - return true;
> - }
> -
> - // Otherwise, this is an interior node. Send the request down the tree.
> - DeltaTreeInteriorNode *IN = cast<DeltaTreeInteriorNode>(this);
> - if (!IN->Children[i]->DoInsertion(FileIndex, Delta, InsertRes))
> - return false; // If there was space in the child, just return.
> -
> - // Okay, this split the subtree, producing a new value and two children to
> - // insert here. If this node is non-full, we can just insert it directly.
> - if (!isFull()) {
> - // Now that we have two nodes and a new element, insert the perclated value
> - // into ourself by moving all the later values/children down, then inserting
> - // the new one.
> - if (i != e)
> - memmove(&IN->Children[i+2], &IN->Children[i+1],
> - (e-i)*sizeof(IN->Children[0]));
> - IN->Children[i] = InsertRes->LHS;
> - IN->Children[i+1] = InsertRes->RHS;
> -
> - if (e != i)
> - memmove(&Values[i+1], &Values[i], (e-i)*sizeof(Values[0]));
> - Values[i] = InsertRes->Split;
> - ++NumValuesUsed;
> - return false;
> - }
> -
> - // Finally, if this interior node was full and a node is percolated up, split
> - // ourself and return that up the chain. Start by saving all our info to
> - // avoid having the split clobber it.
> - IN->Children[i] = InsertRes->LHS;
> - DeltaTreeNode *SubRHS = InsertRes->RHS;
> - SourceDelta SubSplit = InsertRes->Split;
> -
> - // Do the split.
> - DoSplit(*InsertRes);
> -
> - // Figure out where to insert SubRHS/NewSplit.
> - DeltaTreeInteriorNode *InsertSide;
> - if (SubSplit.FileLoc < InsertRes->Split.FileLoc)
> - InsertSide = cast<DeltaTreeInteriorNode>(InsertRes->LHS);
> - else
> - InsertSide = cast<DeltaTreeInteriorNode>(InsertRes->RHS);
> -
> - // We now have a non-empty interior node 'InsertSide' to insert
> - // SubRHS/SubSplit into. Find out where to insert SubSplit.
> -
> - // Find the insertion point, the first delta whose index is >SubSplit.FileLoc.
> - i = 0; e = InsertSide->getNumValuesUsed();
> - while (i != e && SubSplit.FileLoc > InsertSide->getValue(i).FileLoc)
> - ++i;
> -
> - // Now we know that i is the place to insert the split value into. Insert it
> - // and the child right after it.
> - if (i != e)
> - memmove(&InsertSide->Children[i+2], &InsertSide->Children[i+1],
> - (e-i)*sizeof(IN->Children[0]));
> - InsertSide->Children[i+1] = SubRHS;
> -
> - if (e != i)
> - memmove(&InsertSide->Values[i+1], &InsertSide->Values[i],
> - (e-i)*sizeof(Values[0]));
> - InsertSide->Values[i] = SubSplit;
> - ++InsertSide->NumValuesUsed;
> - InsertSide->FullDelta += SubSplit.Delta + SubRHS->getFullDelta();
> - return true;
> -}
> -
> -/// DoSplit - Split the currently full node (which has 2*WidthFactor-1 values)
> -/// into two subtrees each with "WidthFactor-1" values and a pivot value.
> -/// Return the pieces in InsertRes.
> -void DeltaTreeNode::DoSplit(InsertResult &InsertRes) {
> - assert(isFull() && "Why split a non-full node?");
> -
> - // Since this node is full, it contains 2*WidthFactor-1 values. We move
> - // the first 'WidthFactor-1' values to the LHS child (which we leave in this
> - // node), propagate one value up, and move the last 'WidthFactor-1' values
> - // into the RHS child.
> -
> - // Create the new child node.
> - DeltaTreeNode *NewNode;
> - if (DeltaTreeInteriorNode *IN = dyn_cast<DeltaTreeInteriorNode>(this)) {
> - // If this is an interior node, also move over 'WidthFactor' children
> - // into the new node.
> - DeltaTreeInteriorNode *New = new DeltaTreeInteriorNode();
> - memcpy(&New->Children[0], &IN->Children[WidthFactor],
> - WidthFactor*sizeof(IN->Children[0]));
> - NewNode = New;
> - } else {
> - // Just create the new leaf node.
> - NewNode = new DeltaTreeNode();
> - }
> -
> - // Move over the last 'WidthFactor-1' values from here to NewNode.
> - memcpy(&NewNode->Values[0], &Values[WidthFactor],
> - (WidthFactor-1)*sizeof(Values[0]));
> -
> - // Decrease the number of values in the two nodes.
> - NewNode->NumValuesUsed = NumValuesUsed = WidthFactor-1;
> -
> - // Recompute the two nodes' full delta.
> - NewNode->RecomputeFullDeltaLocally();
> - RecomputeFullDeltaLocally();
> -
> - InsertRes.LHS = this;
> - InsertRes.RHS = NewNode;
> - InsertRes.Split = Values[WidthFactor-1];
> -}
> -
> -
> -
> -//===----------------------------------------------------------------------===//
> -// DeltaTree Implementation
> -//===----------------------------------------------------------------------===//
> -
> -//#define VERIFY_TREE
> -
> -#ifdef VERIFY_TREE
> -/// VerifyTree - Walk the btree performing assertions on various properties to
> -/// verify consistency. This is useful for debugging new changes to the tree.
> -static void VerifyTree(const DeltaTreeNode *N) {
> - const DeltaTreeInteriorNode *IN = dyn_cast<DeltaTreeInteriorNode>(N);
> - if (IN == 0) {
> - // Verify leaves, just ensure that FullDelta matches up and the elements
> - // are in proper order.
> - int FullDelta = 0;
> - for (unsigned i = 0, e = N->getNumValuesUsed(); i != e; ++i) {
> - if (i)
> - assert(N->getValue(i-1).FileLoc < N->getValue(i).FileLoc);
> - FullDelta += N->getValue(i).Delta;
> - }
> - assert(FullDelta == N->getFullDelta());
> - return;
> - }
> -
> - // Verify interior nodes: Ensure that FullDelta matches up and the
> - // elements are in proper order and the children are in proper order.
> - int FullDelta = 0;
> - for (unsigned i = 0, e = IN->getNumValuesUsed(); i != e; ++i) {
> - const SourceDelta &IVal = N->getValue(i);
> - const DeltaTreeNode *IChild = IN->getChild(i);
> - if (i)
> - assert(IN->getValue(i-1).FileLoc < IVal.FileLoc);
> - FullDelta += IVal.Delta;
> - FullDelta += IChild->getFullDelta();
> -
> - // The largest value in child #i should be smaller than FileLoc.
> - assert(IChild->getValue(IChild->getNumValuesUsed()-1).FileLoc <
> - IVal.FileLoc);
> -
> - // The smallest value in child #i+1 should be larger than FileLoc.
> - assert(IN->getChild(i+1)->getValue(0).FileLoc > IVal.FileLoc);
> - VerifyTree(IChild);
> - }
> -
> - FullDelta += IN->getChild(IN->getNumValuesUsed())->getFullDelta();
> -
> - assert(FullDelta == N->getFullDelta());
> -}
> -#endif // VERIFY_TREE
> -
> -static DeltaTreeNode *getRoot(void *Root) {
> - return (DeltaTreeNode*)Root;
> -}
> -
> -DeltaTree::DeltaTree() {
> - Root = new DeltaTreeNode();
> -}
> -DeltaTree::DeltaTree(const DeltaTree &RHS) {
> - // Currently we only support copying when the RHS is empty.
> - assert(getRoot(RHS.Root)->getNumValuesUsed() == 0 &&
> - "Can only copy empty tree");
> - Root = new DeltaTreeNode();
> -}
> -
> -DeltaTree::~DeltaTree() {
> - getRoot(Root)->Destroy();
> -}
> -
> -/// getDeltaAt - Return the accumulated delta at the specified file offset.
> -/// This includes all insertions or delections that occurred *before* the
> -/// specified file index.
> -int DeltaTree::getDeltaAt(unsigned FileIndex) const {
> - const DeltaTreeNode *Node = getRoot(Root);
> -
> - int Result = 0;
> -
> - // Walk down the tree.
> - while (1) {
> - // For all nodes, include any local deltas before the specified file
> - // index by summing them up directly. Keep track of how many were
> - // included.
> - unsigned NumValsGreater = 0;
> - for (unsigned e = Node->getNumValuesUsed(); NumValsGreater != e;
> - ++NumValsGreater) {
> - const SourceDelta &Val = Node->getValue(NumValsGreater);
> -
> - if (Val.FileLoc >= FileIndex)
> - break;
> - Result += Val.Delta;
> - }
> -
> - // If we have an interior node, include information about children and
> - // recurse. Otherwise, if we have a leaf, we're done.
> - const DeltaTreeInteriorNode *IN = dyn_cast<DeltaTreeInteriorNode>(Node);
> - if (!IN) return Result;
> -
> - // Include any children to the left of the values we skipped, all of
> - // their deltas should be included as well.
> - for (unsigned i = 0; i != NumValsGreater; ++i)
> - Result += IN->getChild(i)->getFullDelta();
> -
> - // If we found exactly the value we were looking for, break off the
> - // search early. There is no need to search the RHS of the value for
> - // partial results.
> - if (NumValsGreater != Node->getNumValuesUsed() &&
> - Node->getValue(NumValsGreater).FileLoc == FileIndex)
> - return Result+IN->getChild(NumValsGreater)->getFullDelta();
> -
> - // Otherwise, traverse down the tree. The selected subtree may be
> - // partially included in the range.
> - Node = IN->getChild(NumValsGreater);
> - }
> - // NOT REACHED.
> -}
> -
> -/// AddDelta - When a change is made that shifts around the text buffer,
> -/// this method is used to record that info. It inserts a delta of 'Delta'
> -/// into the current DeltaTree at offset FileIndex.
> -void DeltaTree::AddDelta(unsigned FileIndex, int Delta) {
> - assert(Delta && "Adding a noop?");
> - DeltaTreeNode *MyRoot = getRoot(Root);
> -
> - DeltaTreeNode::InsertResult InsertRes;
> - if (MyRoot->DoInsertion(FileIndex, Delta, &InsertRes)) {
> - Root = MyRoot = new DeltaTreeInteriorNode(InsertRes);
> - }
> -
> -#ifdef VERIFY_TREE
> - VerifyTree(MyRoot);
> -#endif
> -}
> -
>
> Removed: cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp (removed)
> @@ -1,582 +0,0 @@
> -//== HTMLRewrite.cpp - Translate source code into prettified HTML --*- C++ -*-//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This file defines the HTMLRewriter class, which is used to translate the
> -// text of a source file into prettified HTML.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Core/HTMLRewrite.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "clang/Lex/TokenConcatenation.h"
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "llvm/ADT/SmallString.h"
> -#include "llvm/Support/ErrorHandling.h"
> -#include "llvm/Support/MemoryBuffer.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <memory>
> -using namespace clang;
> -
> -
> -/// HighlightRange - Highlight a range in the source code with the specified
> -/// start/end tags. B/E must be in the same file. This ensures that
> -/// start/end tags are placed at the start/end of each line if the range is
> -/// multiline.
> -void html::HighlightRange(Rewriter &R, SourceLocation B, SourceLocation E,
> - const char *StartTag, const char *EndTag) {
> - SourceManager &SM = R.getSourceMgr();
> - B = SM.getExpansionLoc(B);
> - E = SM.getExpansionLoc(E);
> - FileID FID = SM.getFileID(B);
> - assert(SM.getFileID(E) == FID && "B/E not in the same file!");
> -
> - unsigned BOffset = SM.getFileOffset(B);
> - unsigned EOffset = SM.getFileOffset(E);
> -
> - // Include the whole end token in the range.
> - EOffset += Lexer::MeasureTokenLength(E, R.getSourceMgr(), R.getLangOpts());
> -
> - bool Invalid = false;
> - const char *BufferStart = SM.getBufferData(FID, &Invalid).data();
> - if (Invalid)
> - return;
> -
> - HighlightRange(R.getEditBuffer(FID), BOffset, EOffset,
> - BufferStart, StartTag, EndTag);
> -}
> -
> -/// HighlightRange - This is the same as the above method, but takes
> -/// decomposed file locations.
> -void html::HighlightRange(RewriteBuffer &RB, unsigned B, unsigned E,
> - const char *BufferStart,
> - const char *StartTag, const char *EndTag) {
> - // Insert the tag at the absolute start/end of the range.
> - RB.InsertTextAfter(B, StartTag);
> - RB.InsertTextBefore(E, EndTag);
> -
> - // Scan the range to see if there is a \r or \n. If so, and if the line is
> - // not blank, insert tags on that line as well.
> - bool HadOpenTag = true;
> -
> - unsigned LastNonWhiteSpace = B;
> - for (unsigned i = B; i != E; ++i) {
> - switch (BufferStart[i]) {
> - case '\r':
> - case '\n':
> - // Okay, we found a newline in the range. If we have an open tag, we need
> - // to insert a close tag at the first non-whitespace before the newline.
> - if (HadOpenTag)
> - RB.InsertTextBefore(LastNonWhiteSpace+1, EndTag);
> -
> - // Instead of inserting an open tag immediately after the newline, we
> - // wait until we see a non-whitespace character. This prevents us from
> - // inserting tags around blank lines, and also allows the open tag to
> - // be put *after* whitespace on a non-blank line.
> - HadOpenTag = false;
> - break;
> - case '\0':
> - case ' ':
> - case '\t':
> - case '\f':
> - case '\v':
> - // Ignore whitespace.
> - break;
> -
> - default:
> - // If there is no tag open, do it now.
> - if (!HadOpenTag) {
> - RB.InsertTextAfter(i, StartTag);
> - HadOpenTag = true;
> - }
> -
> - // Remember this character.
> - LastNonWhiteSpace = i;
> - break;
> - }
> - }
> -}
> -
> -void html::EscapeText(Rewriter &R, FileID FID,
> - bool EscapeSpaces, bool ReplaceTabs) {
> -
> - const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FID);
> - const char* C = Buf->getBufferStart();
> - const char* FileEnd = Buf->getBufferEnd();
> -
> - assert (C <= FileEnd);
> -
> - RewriteBuffer &RB = R.getEditBuffer(FID);
> -
> - unsigned ColNo = 0;
> - for (unsigned FilePos = 0; C != FileEnd ; ++C, ++FilePos) {
> - switch (*C) {
> - default: ++ColNo; break;
> - case '\n':
> - case '\r':
> - ColNo = 0;
> - break;
> -
> - case ' ':
> - if (EscapeSpaces)
> - RB.ReplaceText(FilePos, 1, " ");
> - ++ColNo;
> - break;
> - case '\f':
> - RB.ReplaceText(FilePos, 1, "<hr>");
> - ColNo = 0;
> - break;
> -
> - case '\t': {
> - if (!ReplaceTabs)
> - break;
> - unsigned NumSpaces = 8-(ColNo&7);
> - if (EscapeSpaces)
> - RB.ReplaceText(FilePos, 1,
> - StringRef(" "
> - " ", 6*NumSpaces));
> - else
> - RB.ReplaceText(FilePos, 1, StringRef(" ", NumSpaces));
> - ColNo += NumSpaces;
> - break;
> - }
> - case '<':
> - RB.ReplaceText(FilePos, 1, "<");
> - ++ColNo;
> - break;
> -
> - case '>':
> - RB.ReplaceText(FilePos, 1, ">");
> - ++ColNo;
> - break;
> -
> - case '&':
> - RB.ReplaceText(FilePos, 1, "&");
> - ++ColNo;
> - break;
> - }
> - }
> -}
> -
> -std::string html::EscapeText(StringRef s, bool EscapeSpaces, bool ReplaceTabs) {
> -
> - unsigned len = s.size();
> - std::string Str;
> - llvm::raw_string_ostream os(Str);
> -
> - for (unsigned i = 0 ; i < len; ++i) {
> -
> - char c = s[i];
> - switch (c) {
> - default:
> - os << c; break;
> -
> - case ' ':
> - if (EscapeSpaces) os << " ";
> - else os << ' ';
> - break;
> -
> - case '\t':
> - if (ReplaceTabs) {
> - if (EscapeSpaces)
> - for (unsigned i = 0; i < 4; ++i)
> - os << " ";
> - else
> - for (unsigned i = 0; i < 4; ++i)
> - os << " ";
> - }
> - else
> - os << c;
> -
> - break;
> -
> - case '<': os << "<"; break;
> - case '>': os << ">"; break;
> - case '&': os << "&"; break;
> - }
> - }
> -
> - return os.str();
> -}
> -
> -static void AddLineNumber(RewriteBuffer &RB, unsigned LineNo,
> - unsigned B, unsigned E) {
> - SmallString<256> Str;
> - llvm::raw_svector_ostream OS(Str);
> -
> - OS << "<tr><td class=\"num\" id=\"LN"
> - << LineNo << "\">"
> - << LineNo << "</td><td class=\"line\">";
> -
> - if (B == E) { // Handle empty lines.
> - OS << " </td></tr>";
> - RB.InsertTextBefore(B, OS.str());
> - } else {
> - RB.InsertTextBefore(B, OS.str());
> - RB.InsertTextBefore(E, "</td></tr>");
> - }
> -}
> -
> -void html::AddLineNumbers(Rewriter& R, FileID FID) {
> -
> - const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FID);
> - const char* FileBeg = Buf->getBufferStart();
> - const char* FileEnd = Buf->getBufferEnd();
> - const char* C = FileBeg;
> - RewriteBuffer &RB = R.getEditBuffer(FID);
> -
> - assert (C <= FileEnd);
> -
> - unsigned LineNo = 0;
> - unsigned FilePos = 0;
> -
> - while (C != FileEnd) {
> -
> - ++LineNo;
> - unsigned LineStartPos = FilePos;
> - unsigned LineEndPos = FileEnd - FileBeg;
> -
> - assert (FilePos <= LineEndPos);
> - assert (C < FileEnd);
> -
> - // Scan until the newline (or end-of-file).
> -
> - while (C != FileEnd) {
> - char c = *C;
> - ++C;
> -
> - if (c == '\n') {
> - LineEndPos = FilePos++;
> - break;
> - }
> -
> - ++FilePos;
> - }
> -
> - AddLineNumber(RB, LineNo, LineStartPos, LineEndPos);
> - }
> -
> - // Add one big table tag that surrounds all of the code.
> - RB.InsertTextBefore(0, "<table class=\"code\">\n");
> - RB.InsertTextAfter(FileEnd - FileBeg, "</table>");
> -}
> -
> -void html::AddHeaderFooterInternalBuiltinCSS(Rewriter& R, FileID FID,
> - const char *title) {
> -
> - const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FID);
> - const char* FileStart = Buf->getBufferStart();
> - const char* FileEnd = Buf->getBufferEnd();
> -
> - SourceLocation StartLoc = R.getSourceMgr().getLocForStartOfFile(FID);
> - SourceLocation EndLoc = StartLoc.getLocWithOffset(FileEnd-FileStart);
> -
> - std::string s;
> - llvm::raw_string_ostream os(s);
> - os << "<!doctype html>\n" // Use HTML 5 doctype
> - "<html>\n<head>\n";
> -
> - if (title)
> - os << "<title>" << html::EscapeText(title) << "</title>\n";
> -
> - os << "<style type=\"text/css\">\n"
> - " body { color:#000000; background-color:#ffffff }\n"
> - " body { font-family:Helvetica, sans-serif; font-size:10pt }\n"
> - " h1 { font-size:14pt }\n"
> - " .code { border-collapse:collapse; width:100%; }\n"
> - " .code { font-family: \"Monospace\", monospace; font-size:10pt }\n"
> - " .code { line-height: 1.2em }\n"
> - " .comment { color: green; font-style: oblique }\n"
> - " .keyword { color: blue }\n"
> - " .string_literal { color: red }\n"
> - " .directive { color: darkmagenta }\n"
> - // Macro expansions.
> - " .expansion { display: none; }\n"
> - " .macro:hover .expansion { display: block; border: 2px solid #FF0000; "
> - "padding: 2px; background-color:#FFF0F0; font-weight: normal; "
> - " -webkit-border-radius:5px; -webkit-box-shadow:1px 1px 7px #000; "
> - "position: absolute; top: -1em; left:10em; z-index: 1 } \n"
> - " .macro { color: darkmagenta; background-color:LemonChiffon;"
> - // Macros are position: relative to provide base for expansions.
> - " position: relative }\n"
> - " .num { width:2.5em; padding-right:2ex; background-color:#eeeeee }\n"
> - " .num { text-align:right; font-size:8pt }\n"
> - " .num { color:#444444 }\n"
> - " .line { padding-left: 1ex; border-left: 3px solid #ccc }\n"
> - " .line { white-space: pre }\n"
> - " .msg { -webkit-box-shadow:1px 1px 7px #000 }\n"
> - " .msg { -webkit-border-radius:5px }\n"
> - " .msg { font-family:Helvetica, sans-serif; font-size:8pt }\n"
> - " .msg { float:left }\n"
> - " .msg { padding:0.25em 1ex 0.25em 1ex }\n"
> - " .msg { margin-top:10px; margin-bottom:10px }\n"
> - " .msg { font-weight:bold }\n"
> - " .msg { max-width:60em; word-wrap: break-word; white-space: pre-wrap }\n"
> - " .msgT { padding:0x; spacing:0x }\n"
> - " .msgEvent { background-color:#fff8b4; color:#000000 }\n"
> - " .msgControl { background-color:#bbbbbb; color:#000000 }\n"
> - " .mrange { background-color:#dfddf3 }\n"
> - " .mrange { border-bottom:1px solid #6F9DBE }\n"
> - " .PathIndex { font-weight: bold; padding:0px 5px; "
> - "margin-right:5px; }\n"
> - " .PathIndex { -webkit-border-radius:8px }\n"
> - " .PathIndexEvent { background-color:#bfba87 }\n"
> - " .PathIndexControl { background-color:#8c8c8c }\n"
> - " .PathNav a { text-decoration:none; font-size: larger }\n"
> - " .CodeInsertionHint { font-weight: bold; background-color: #10dd10 }\n"
> - " .CodeRemovalHint { background-color:#de1010 }\n"
> - " .CodeRemovalHint { border-bottom:1px solid #6F9DBE }\n"
> - " table.simpletable {\n"
> - " padding: 5px;\n"
> - " font-size:12pt;\n"
> - " margin:20px;\n"
> - " border-collapse: collapse; border-spacing: 0px;\n"
> - " }\n"
> - " td.rowname {\n"
> - " text-align:right; font-weight:bold; color:#444444;\n"
> - " padding-right:2ex; }\n"
> - "</style>\n</head>\n<body>";
> -
> - // Generate header
> - R.InsertTextBefore(StartLoc, os.str());
> - // Generate footer
> -
> - R.InsertTextAfter(EndLoc, "</body></html>\n");
> -}
> -
> -/// SyntaxHighlight - Relex the specified FileID and annotate the HTML with
> -/// information about keywords, macro expansions etc. This uses the macro
> -/// table state from the end of the file, so it won't be perfectly perfect,
> -/// but it will be reasonably close.
> -void html::SyntaxHighlight(Rewriter &R, FileID FID, const Preprocessor &PP) {
> - RewriteBuffer &RB = R.getEditBuffer(FID);
> -
> - const SourceManager &SM = PP.getSourceManager();
> - const llvm::MemoryBuffer *FromFile = SM.getBuffer(FID);
> - Lexer L(FID, FromFile, SM, PP.getLangOpts());
> - const char *BufferStart = L.getBuffer().data();
> -
> - // Inform the preprocessor that we want to retain comments as tokens, so we
> - // can highlight them.
> - L.SetCommentRetentionState(true);
> -
> - // Lex all the tokens in raw mode, to avoid entering #includes or expanding
> - // macros.
> - Token Tok;
> - L.LexFromRawLexer(Tok);
> -
> - while (Tok.isNot(tok::eof)) {
> - // Since we are lexing unexpanded tokens, all tokens are from the main
> - // FileID.
> - unsigned TokOffs = SM.getFileOffset(Tok.getLocation());
> - unsigned TokLen = Tok.getLength();
> - switch (Tok.getKind()) {
> - default: break;
> - case tok::identifier:
> - llvm_unreachable("tok::identifier in raw lexing mode!");
> - case tok::raw_identifier: {
> - // Fill in Result.IdentifierInfo and update the token kind,
> - // looking up the identifier in the identifier table.
> - PP.LookUpIdentifierInfo(Tok);
> -
> - // If this is a pp-identifier, for a keyword, highlight it as such.
> - if (Tok.isNot(tok::identifier))
> - HighlightRange(RB, TokOffs, TokOffs+TokLen, BufferStart,
> - "<span class='keyword'>", "</span>");
> - break;
> - }
> - case tok::comment:
> - HighlightRange(RB, TokOffs, TokOffs+TokLen, BufferStart,
> - "<span class='comment'>", "</span>");
> - break;
> - case tok::utf8_string_literal:
> - // Chop off the u part of u8 prefix
> - ++TokOffs;
> - --TokLen;
> - // FALL THROUGH to chop the 8
> - case tok::wide_string_literal:
> - case tok::utf16_string_literal:
> - case tok::utf32_string_literal:
> - // Chop off the L, u, U or 8 prefix
> - ++TokOffs;
> - --TokLen;
> - // FALL THROUGH.
> - case tok::string_literal:
> - // FIXME: Exclude the optional ud-suffix from the highlighted range.
> - HighlightRange(RB, TokOffs, TokOffs+TokLen, BufferStart,
> - "<span class='string_literal'>", "</span>");
> - break;
> - case tok::hash: {
> - // If this is a preprocessor directive, all tokens to end of line are too.
> - if (!Tok.isAtStartOfLine())
> - break;
> -
> - // Eat all of the tokens until we get to the next one at the start of
> - // line.
> - unsigned TokEnd = TokOffs+TokLen;
> - L.LexFromRawLexer(Tok);
> - while (!Tok.isAtStartOfLine() && Tok.isNot(tok::eof)) {
> - TokEnd = SM.getFileOffset(Tok.getLocation())+Tok.getLength();
> - L.LexFromRawLexer(Tok);
> - }
> -
> - // Find end of line. This is a hack.
> - HighlightRange(RB, TokOffs, TokEnd, BufferStart,
> - "<span class='directive'>", "</span>");
> -
> - // Don't skip the next token.
> - continue;
> - }
> - }
> -
> - L.LexFromRawLexer(Tok);
> - }
> -}
> -
> -/// HighlightMacros - This uses the macro table state from the end of the
> -/// file, to re-expand macros and insert (into the HTML) information about the
> -/// macro expansions. This won't be perfectly perfect, but it will be
> -/// reasonably close.
> -void html::HighlightMacros(Rewriter &R, FileID FID, const Preprocessor& PP) {
> - // Re-lex the raw token stream into a token buffer.
> - const SourceManager &SM = PP.getSourceManager();
> - std::vector<Token> TokenStream;
> -
> - const llvm::MemoryBuffer *FromFile = SM.getBuffer(FID);
> - Lexer L(FID, FromFile, SM, PP.getLangOpts());
> -
> - // Lex all the tokens in raw mode, to avoid entering #includes or expanding
> - // macros.
> - while (1) {
> - Token Tok;
> - L.LexFromRawLexer(Tok);
> -
> - // If this is a # at the start of a line, discard it from the token stream.
> - // We don't want the re-preprocess step to see #defines, #includes or other
> - // preprocessor directives.
> - if (Tok.is(tok::hash) && Tok.isAtStartOfLine())
> - continue;
> -
> - // If this is a ## token, change its kind to unknown so that repreprocessing
> - // it will not produce an error.
> - if (Tok.is(tok::hashhash))
> - Tok.setKind(tok::unknown);
> -
> - // If this raw token is an identifier, the raw lexer won't have looked up
> - // the corresponding identifier info for it. Do this now so that it will be
> - // macro expanded when we re-preprocess it.
> - if (Tok.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(Tok);
> -
> - TokenStream.push_back(Tok);
> -
> - if (Tok.is(tok::eof)) break;
> - }
> -
> - // Temporarily change the diagnostics object so that we ignore any generated
> - // diagnostics from this pass.
> - DiagnosticsEngine TmpDiags(PP.getDiagnostics().getDiagnosticIDs(),
> - &PP.getDiagnostics().getDiagnosticOptions(),
> - new IgnoringDiagConsumer);
> -
> - // FIXME: This is a huge hack; we reuse the input preprocessor because we want
> - // its state, but we aren't actually changing it (we hope). This should really
> - // construct a copy of the preprocessor.
> - Preprocessor &TmpPP = const_cast<Preprocessor&>(PP);
> - DiagnosticsEngine *OldDiags = &TmpPP.getDiagnostics();
> - TmpPP.setDiagnostics(TmpDiags);
> -
> - // Inform the preprocessor that we don't want comments.
> - TmpPP.SetCommentRetentionState(false, false);
> -
> - // We don't want pragmas either. Although we filtered out #pragma, removing
> - // _Pragma and __pragma is much harder.
> - bool PragmasPreviouslyEnabled = TmpPP.getPragmasEnabled();
> - TmpPP.setPragmasEnabled(false);
> -
> - // Enter the tokens we just lexed. This will cause them to be macro expanded
> - // but won't enter sub-files (because we removed #'s).
> - TmpPP.EnterTokenStream(&TokenStream[0], TokenStream.size(), false, false);
> -
> - TokenConcatenation ConcatInfo(TmpPP);
> -
> - // Lex all the tokens.
> - Token Tok;
> - TmpPP.Lex(Tok);
> - while (Tok.isNot(tok::eof)) {
> - // Ignore non-macro tokens.
> - if (!Tok.getLocation().isMacroID()) {
> - TmpPP.Lex(Tok);
> - continue;
> - }
> -
> - // Okay, we have the first token of a macro expansion: highlight the
> - // expansion by inserting a start tag before the macro expansion and
> - // end tag after it.
> - std::pair<SourceLocation, SourceLocation> LLoc =
> - SM.getExpansionRange(Tok.getLocation());
> -
> - // Ignore tokens whose instantiation location was not the main file.
> - if (SM.getFileID(LLoc.first) != FID) {
> - TmpPP.Lex(Tok);
> - continue;
> - }
> -
> - assert(SM.getFileID(LLoc.second) == FID &&
> - "Start and end of expansion must be in the same ultimate file!");
> -
> - std::string Expansion = EscapeText(TmpPP.getSpelling(Tok));
> - unsigned LineLen = Expansion.size();
> -
> - Token PrevPrevTok;
> - Token PrevTok = Tok;
> - // Okay, eat this token, getting the next one.
> - TmpPP.Lex(Tok);
> -
> - // Skip all the rest of the tokens that are part of this macro
> - // instantiation. It would be really nice to pop up a window with all the
> - // spelling of the tokens or something.
> - while (!Tok.is(tok::eof) &&
> - SM.getExpansionLoc(Tok.getLocation()) == LLoc.first) {
> - // Insert a newline if the macro expansion is getting large.
> - if (LineLen > 60) {
> - Expansion += "<br>";
> - LineLen = 0;
> - }
> -
> - LineLen -= Expansion.size();
> -
> - // If the tokens were already space separated, or if they must be to avoid
> - // them being implicitly pasted, add a space between them.
> - if (Tok.hasLeadingSpace() ||
> - ConcatInfo.AvoidConcat(PrevPrevTok, PrevTok, Tok))
> - Expansion += ' ';
> -
> - // Escape any special characters in the token text.
> - Expansion += EscapeText(TmpPP.getSpelling(Tok));
> - LineLen += Expansion.size();
> -
> - PrevPrevTok = PrevTok;
> - PrevTok = Tok;
> - TmpPP.Lex(Tok);
> - }
> -
> -
> - // Insert the expansion as the end tag, so that multi-line macros all get
> - // highlighted.
> - Expansion = "<span class='expansion'>" + Expansion + "</span></span>";
> -
> - HighlightRange(R, LLoc.first, LLoc.second,
> - "<span class='macro'>", Expansion.c_str());
> - }
> -
> - // Restore the preprocessor's old state.
> - TmpPP.setDiagnostics(*OldDiags);
> - TmpPP.setPragmasEnabled(PragmasPreviouslyEnabled);
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Core/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/Makefile?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/Makefile (original)
> +++ cfe/trunk/lib/Rewrite/Core/Makefile (removed)
> @@ -1,18 +0,0 @@
> -##===- clang/lib/Rewrite/Makefile --------------------------*- Makefile -*-===##
> -#
> -# The LLVM Compiler Infrastructure
> -#
> -# This file is distributed under the University of Illinois Open Source
> -# License. See LICENSE.TXT for details.
> -#
> -##===----------------------------------------------------------------------===##
> -#
> -# This implements code transformation / rewriting facilities.
> -#
> -##===----------------------------------------------------------------------===##
> -
> -CLANG_LEVEL := ../../..
> -LIBRARYNAME := clangRewriteCore
> -
> -include $(CLANG_LEVEL)/Makefile
> -
>
> Removed: cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp (removed)
> @@ -1,806 +0,0 @@
> -//===--- RewriteRope.cpp - Rope specialized for rewriter --------*- C++ -*-===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This file implements the RewriteRope class, which is a powerful string.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Core/RewriteRope.h"
> -#include "clang/Basic/LLVM.h"
> -#include <algorithm>
> -using namespace clang;
> -
> -/// RewriteRope is a "strong" string class, designed to make insertions and
> -/// deletions in the middle of the string nearly constant time (really, they are
> -/// O(log N), but with a very low constant factor).
> -///
> -/// The implementation of this datastructure is a conceptual linear sequence of
> -/// RopePiece elements. Each RopePiece represents a view on a separately
> -/// allocated and reference counted string. This means that splitting a very
> -/// long string can be done in constant time by splitting a RopePiece that
> -/// references the whole string into two rope pieces that reference each half.
> -/// Once split, another string can be inserted in between the two halves by
> -/// inserting a RopePiece in between the two others. All of this is very
> -/// inexpensive: it takes time proportional to the number of RopePieces, not the
> -/// length of the strings they represent.
> -///
> -/// While a linear sequences of RopePieces is the conceptual model, the actual
> -/// implementation captures them in an adapted B+ Tree. Using a B+ tree (which
> -/// is a tree that keeps the values in the leaves and has where each node
> -/// contains a reasonable number of pointers to children/values) allows us to
> -/// maintain efficient operation when the RewriteRope contains a *huge* number
> -/// of RopePieces. The basic idea of the B+ Tree is that it allows us to find
> -/// the RopePiece corresponding to some offset very efficiently, and it
> -/// automatically balances itself on insertions of RopePieces (which can happen
> -/// for both insertions and erases of string ranges).
> -///
> -/// The one wrinkle on the theory is that we don't attempt to keep the tree
> -/// properly balanced when erases happen. Erases of string data can both insert
> -/// new RopePieces (e.g. when the middle of some other rope piece is deleted,
> -/// which results in two rope pieces, which is just like an insert) or it can
> -/// reduce the number of RopePieces maintained by the B+Tree. In the case when
> -/// the number of RopePieces is reduced, we don't attempt to maintain the
> -/// standard 'invariant' that each node in the tree contains at least
> -/// 'WidthFactor' children/values. For our use cases, this doesn't seem to
> -/// matter.
> -///
> -/// The implementation below is primarily implemented in terms of three classes:
> -/// RopePieceBTreeNode - Common base class for:
> -///
> -/// RopePieceBTreeLeaf - Directly manages up to '2*WidthFactor' RopePiece
> -/// nodes. This directly represents a chunk of the string with those
> -/// RopePieces contatenated.
> -/// RopePieceBTreeInterior - An interior node in the B+ Tree, which manages
> -/// up to '2*WidthFactor' other nodes in the tree.
> -
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTreeNode Class
> -//===----------------------------------------------------------------------===//
> -
> -namespace {
> - /// RopePieceBTreeNode - Common base class of RopePieceBTreeLeaf and
> - /// RopePieceBTreeInterior. This provides some 'virtual' dispatching methods
> - /// and a flag that determines which subclass the instance is. Also
> - /// important, this node knows the full extend of the node, including any
> - /// children that it has. This allows efficient skipping over entire subtrees
> - /// when looking for an offset in the BTree.
> - class RopePieceBTreeNode {
> - protected:
> - /// WidthFactor - This controls the number of K/V slots held in the BTree:
> - /// how wide it is. Each level of the BTree is guaranteed to have at least
> - /// 'WidthFactor' elements in it (either ropepieces or children), (except
> - /// the root, which may have less) and may have at most 2*WidthFactor
> - /// elements.
> - enum { WidthFactor = 8 };
> -
> - /// Size - This is the number of bytes of file this node (including any
> - /// potential children) covers.
> - unsigned Size;
> -
> - /// IsLeaf - True if this is an instance of RopePieceBTreeLeaf, false if it
> - /// is an instance of RopePieceBTreeInterior.
> - bool IsLeaf;
> -
> - RopePieceBTreeNode(bool isLeaf) : Size(0), IsLeaf(isLeaf) {}
> - ~RopePieceBTreeNode() {}
> - public:
> -
> - bool isLeaf() const { return IsLeaf; }
> - unsigned size() const { return Size; }
> -
> - void Destroy();
> -
> - /// split - Split the range containing the specified offset so that we are
> - /// guaranteed that there is a place to do an insertion at the specified
> - /// offset. The offset is relative, so "0" is the start of the node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *split(unsigned Offset);
> -
> - /// insert - Insert the specified ropepiece into this tree node at the
> - /// specified offset. The offset is relative, so "0" is the start of the
> - /// node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *insert(unsigned Offset, const RopePiece &R);
> -
> - /// erase - Remove NumBytes from this node at the specified offset. We are
> - /// guaranteed that there is a split at Offset.
> - void erase(unsigned Offset, unsigned NumBytes);
> -
> - };
> -} // end anonymous namespace
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTreeLeaf Class
> -//===----------------------------------------------------------------------===//
> -
> -namespace {
> - /// RopePieceBTreeLeaf - Directly manages up to '2*WidthFactor' RopePiece
> - /// nodes. This directly represents a chunk of the string with those
> - /// RopePieces contatenated. Since this is a B+Tree, all values (in this case
> - /// instances of RopePiece) are stored in leaves like this. To make iteration
> - /// over the leaves efficient, they maintain a singly linked list through the
> - /// NextLeaf field. This allows the B+Tree forward iterator to be constant
> - /// time for all increments.
> - class RopePieceBTreeLeaf : public RopePieceBTreeNode {
> - /// NumPieces - This holds the number of rope pieces currently active in the
> - /// Pieces array.
> - unsigned char NumPieces;
> -
> - /// Pieces - This tracks the file chunks currently in this leaf.
> - ///
> - RopePiece Pieces[2*WidthFactor];
> -
> - /// NextLeaf - This is a pointer to the next leaf in the tree, allowing
> - /// efficient in-order forward iteration of the tree without traversal.
> - RopePieceBTreeLeaf **PrevLeaf, *NextLeaf;
> - public:
> - RopePieceBTreeLeaf() : RopePieceBTreeNode(true), NumPieces(0),
> - PrevLeaf(nullptr), NextLeaf(nullptr) {}
> - ~RopePieceBTreeLeaf() {
> - if (PrevLeaf || NextLeaf)
> - removeFromLeafInOrder();
> - clear();
> - }
> -
> - bool isFull() const { return NumPieces == 2*WidthFactor; }
> -
> - /// clear - Remove all rope pieces from this leaf.
> - void clear() {
> - while (NumPieces)
> - Pieces[--NumPieces] = RopePiece();
> - Size = 0;
> - }
> -
> - unsigned getNumPieces() const { return NumPieces; }
> -
> - const RopePiece &getPiece(unsigned i) const {
> - assert(i < getNumPieces() && "Invalid piece ID");
> - return Pieces[i];
> - }
> -
> - const RopePieceBTreeLeaf *getNextLeafInOrder() const { return NextLeaf; }
> - void insertAfterLeafInOrder(RopePieceBTreeLeaf *Node) {
> - assert(!PrevLeaf && !NextLeaf && "Already in ordering");
> -
> - NextLeaf = Node->NextLeaf;
> - if (NextLeaf)
> - NextLeaf->PrevLeaf = &NextLeaf;
> - PrevLeaf = &Node->NextLeaf;
> - Node->NextLeaf = this;
> - }
> -
> - void removeFromLeafInOrder() {
> - if (PrevLeaf) {
> - *PrevLeaf = NextLeaf;
> - if (NextLeaf)
> - NextLeaf->PrevLeaf = PrevLeaf;
> - } else if (NextLeaf) {
> - NextLeaf->PrevLeaf = nullptr;
> - }
> - }
> -
> - /// FullRecomputeSizeLocally - This method recomputes the 'Size' field by
> - /// summing the size of all RopePieces.
> - void FullRecomputeSizeLocally() {
> - Size = 0;
> - for (unsigned i = 0, e = getNumPieces(); i != e; ++i)
> - Size += getPiece(i).size();
> - }
> -
> - /// split - Split the range containing the specified offset so that we are
> - /// guaranteed that there is a place to do an insertion at the specified
> - /// offset. The offset is relative, so "0" is the start of the node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *split(unsigned Offset);
> -
> - /// insert - Insert the specified ropepiece into this tree node at the
> - /// specified offset. The offset is relative, so "0" is the start of the
> - /// node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *insert(unsigned Offset, const RopePiece &R);
> -
> -
> - /// erase - Remove NumBytes from this node at the specified offset. We are
> - /// guaranteed that there is a split at Offset.
> - void erase(unsigned Offset, unsigned NumBytes);
> -
> - static inline bool classof(const RopePieceBTreeNode *N) {
> - return N->isLeaf();
> - }
> - };
> -} // end anonymous namespace
> -
> -/// split - Split the range containing the specified offset so that we are
> -/// guaranteed that there is a place to do an insertion at the specified
> -/// offset. The offset is relative, so "0" is the start of the node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeLeaf::split(unsigned Offset) {
> - // Find the insertion point. We are guaranteed that there is a split at the
> - // specified offset so find it.
> - if (Offset == 0 || Offset == size()) {
> - // Fastpath for a common case. There is already a splitpoint at the end.
> - return nullptr;
> - }
> -
> - // Find the piece that this offset lands in.
> - unsigned PieceOffs = 0;
> - unsigned i = 0;
> - while (Offset >= PieceOffs+Pieces[i].size()) {
> - PieceOffs += Pieces[i].size();
> - ++i;
> - }
> -
> - // If there is already a split point at the specified offset, just return
> - // success.
> - if (PieceOffs == Offset)
> - return nullptr;
> -
> - // Otherwise, we need to split piece 'i' at Offset-PieceOffs. Convert Offset
> - // to being Piece relative.
> - unsigned IntraPieceOffset = Offset-PieceOffs;
> -
> - // We do this by shrinking the RopePiece and then doing an insert of the tail.
> - RopePiece Tail(Pieces[i].StrData, Pieces[i].StartOffs+IntraPieceOffset,
> - Pieces[i].EndOffs);
> - Size -= Pieces[i].size();
> - Pieces[i].EndOffs = Pieces[i].StartOffs+IntraPieceOffset;
> - Size += Pieces[i].size();
> -
> - return insert(Offset, Tail);
> -}
> -
> -
> -/// insert - Insert the specified RopePiece into this tree node at the
> -/// specified offset. The offset is relative, so "0" is the start of the node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeLeaf::insert(unsigned Offset,
> - const RopePiece &R) {
> - // If this node is not full, insert the piece.
> - if (!isFull()) {
> - // Find the insertion point. We are guaranteed that there is a split at the
> - // specified offset so find it.
> - unsigned i = 0, e = getNumPieces();
> - if (Offset == size()) {
> - // Fastpath for a common case.
> - i = e;
> - } else {
> - unsigned SlotOffs = 0;
> - for (; Offset > SlotOffs; ++i)
> - SlotOffs += getPiece(i).size();
> - assert(SlotOffs == Offset && "Split didn't occur before insertion!");
> - }
> -
> - // For an insertion into a non-full leaf node, just insert the value in
> - // its sorted position. This requires moving later values over.
> - for (; i != e; --e)
> - Pieces[e] = Pieces[e-1];
> - Pieces[i] = R;
> - ++NumPieces;
> - Size += R.size();
> - return nullptr;
> - }
> -
> - // Otherwise, if this is leaf is full, split it in two halves. Since this
> - // node is full, it contains 2*WidthFactor values. We move the first
> - // 'WidthFactor' values to the LHS child (which we leave in this node) and
> - // move the last 'WidthFactor' values into the RHS child.
> -
> - // Create the new node.
> - RopePieceBTreeLeaf *NewNode = new RopePieceBTreeLeaf();
> -
> - // Move over the last 'WidthFactor' values from here to NewNode.
> - std::copy(&Pieces[WidthFactor], &Pieces[2*WidthFactor],
> - &NewNode->Pieces[0]);
> - // Replace old pieces with null RopePieces to drop refcounts.
> - std::fill(&Pieces[WidthFactor], &Pieces[2*WidthFactor], RopePiece());
> -
> - // Decrease the number of values in the two nodes.
> - NewNode->NumPieces = NumPieces = WidthFactor;
> -
> - // Recompute the two nodes' size.
> - NewNode->FullRecomputeSizeLocally();
> - FullRecomputeSizeLocally();
> -
> - // Update the list of leaves.
> - NewNode->insertAfterLeafInOrder(this);
> -
> - // These insertions can't fail.
> - if (this->size() >= Offset)
> - this->insert(Offset, R);
> - else
> - NewNode->insert(Offset - this->size(), R);
> - return NewNode;
> -}
> -
> -/// erase - Remove NumBytes from this node at the specified offset. We are
> -/// guaranteed that there is a split at Offset.
> -void RopePieceBTreeLeaf::erase(unsigned Offset, unsigned NumBytes) {
> - // Since we are guaranteed that there is a split at Offset, we start by
> - // finding the Piece that starts there.
> - unsigned PieceOffs = 0;
> - unsigned i = 0;
> - for (; Offset > PieceOffs; ++i)
> - PieceOffs += getPiece(i).size();
> - assert(PieceOffs == Offset && "Split didn't occur before erase!");
> -
> - unsigned StartPiece = i;
> -
> - // Figure out how many pieces completely cover 'NumBytes'. We want to remove
> - // all of them.
> - for (; Offset+NumBytes > PieceOffs+getPiece(i).size(); ++i)
> - PieceOffs += getPiece(i).size();
> -
> - // If we exactly include the last one, include it in the region to delete.
> - if (Offset+NumBytes == PieceOffs+getPiece(i).size())
> - PieceOffs += getPiece(i).size(), ++i;
> -
> - // If we completely cover some RopePieces, erase them now.
> - if (i != StartPiece) {
> - unsigned NumDeleted = i-StartPiece;
> - for (; i != getNumPieces(); ++i)
> - Pieces[i-NumDeleted] = Pieces[i];
> -
> - // Drop references to dead rope pieces.
> - std::fill(&Pieces[getNumPieces()-NumDeleted], &Pieces[getNumPieces()],
> - RopePiece());
> - NumPieces -= NumDeleted;
> -
> - unsigned CoverBytes = PieceOffs-Offset;
> - NumBytes -= CoverBytes;
> - Size -= CoverBytes;
> - }
> -
> - // If we completely removed some stuff, we could be done.
> - if (NumBytes == 0) return;
> -
> - // Okay, now might be erasing part of some Piece. If this is the case, then
> - // move the start point of the piece.
> - assert(getPiece(StartPiece).size() > NumBytes);
> - Pieces[StartPiece].StartOffs += NumBytes;
> -
> - // The size of this node just shrunk by NumBytes.
> - Size -= NumBytes;
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTreeInterior Class
> -//===----------------------------------------------------------------------===//
> -
> -namespace {
> - /// RopePieceBTreeInterior - This represents an interior node in the B+Tree,
> - /// which holds up to 2*WidthFactor pointers to child nodes.
> - class RopePieceBTreeInterior : public RopePieceBTreeNode {
> - /// NumChildren - This holds the number of children currently active in the
> - /// Children array.
> - unsigned char NumChildren;
> - RopePieceBTreeNode *Children[2*WidthFactor];
> - public:
> - RopePieceBTreeInterior() : RopePieceBTreeNode(false), NumChildren(0) {}
> -
> - RopePieceBTreeInterior(RopePieceBTreeNode *LHS, RopePieceBTreeNode *RHS)
> - : RopePieceBTreeNode(false) {
> - Children[0] = LHS;
> - Children[1] = RHS;
> - NumChildren = 2;
> - Size = LHS->size() + RHS->size();
> - }
> -
> - ~RopePieceBTreeInterior() {
> - for (unsigned i = 0, e = getNumChildren(); i != e; ++i)
> - Children[i]->Destroy();
> - }
> -
> - bool isFull() const { return NumChildren == 2*WidthFactor; }
> -
> - unsigned getNumChildren() const { return NumChildren; }
> - const RopePieceBTreeNode *getChild(unsigned i) const {
> - assert(i < NumChildren && "invalid child #");
> - return Children[i];
> - }
> - RopePieceBTreeNode *getChild(unsigned i) {
> - assert(i < NumChildren && "invalid child #");
> - return Children[i];
> - }
> -
> - /// FullRecomputeSizeLocally - Recompute the Size field of this node by
> - /// summing up the sizes of the child nodes.
> - void FullRecomputeSizeLocally() {
> - Size = 0;
> - for (unsigned i = 0, e = getNumChildren(); i != e; ++i)
> - Size += getChild(i)->size();
> - }
> -
> -
> - /// split - Split the range containing the specified offset so that we are
> - /// guaranteed that there is a place to do an insertion at the specified
> - /// offset. The offset is relative, so "0" is the start of the node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *split(unsigned Offset);
> -
> -
> - /// insert - Insert the specified ropepiece into this tree node at the
> - /// specified offset. The offset is relative, so "0" is the start of the
> - /// node.
> - ///
> - /// If there is no space in this subtree for the extra piece, the extra tree
> - /// node is returned and must be inserted into a parent.
> - RopePieceBTreeNode *insert(unsigned Offset, const RopePiece &R);
> -
> - /// HandleChildPiece - A child propagated an insertion result up to us.
> - /// Insert the new child, and/or propagate the result further up the tree.
> - RopePieceBTreeNode *HandleChildPiece(unsigned i, RopePieceBTreeNode *RHS);
> -
> - /// erase - Remove NumBytes from this node at the specified offset. We are
> - /// guaranteed that there is a split at Offset.
> - void erase(unsigned Offset, unsigned NumBytes);
> -
> - static inline bool classof(const RopePieceBTreeNode *N) {
> - return !N->isLeaf();
> - }
> - };
> -} // end anonymous namespace
> -
> -/// split - Split the range containing the specified offset so that we are
> -/// guaranteed that there is a place to do an insertion at the specified
> -/// offset. The offset is relative, so "0" is the start of the node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeInterior::split(unsigned Offset) {
> - // Figure out which child to split.
> - if (Offset == 0 || Offset == size())
> - return nullptr; // If we have an exact offset, we're already split.
> -
> - unsigned ChildOffset = 0;
> - unsigned i = 0;
> - for (; Offset >= ChildOffset+getChild(i)->size(); ++i)
> - ChildOffset += getChild(i)->size();
> -
> - // If already split there, we're done.
> - if (ChildOffset == Offset)
> - return nullptr;
> -
> - // Otherwise, recursively split the child.
> - if (RopePieceBTreeNode *RHS = getChild(i)->split(Offset-ChildOffset))
> - return HandleChildPiece(i, RHS);
> - return nullptr; // Done!
> -}
> -
> -/// insert - Insert the specified ropepiece into this tree node at the
> -/// specified offset. The offset is relative, so "0" is the start of the
> -/// node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeInterior::insert(unsigned Offset,
> - const RopePiece &R) {
> - // Find the insertion point. We are guaranteed that there is a split at the
> - // specified offset so find it.
> - unsigned i = 0, e = getNumChildren();
> -
> - unsigned ChildOffs = 0;
> - if (Offset == size()) {
> - // Fastpath for a common case. Insert at end of last child.
> - i = e-1;
> - ChildOffs = size()-getChild(i)->size();
> - } else {
> - for (; Offset > ChildOffs+getChild(i)->size(); ++i)
> - ChildOffs += getChild(i)->size();
> - }
> -
> - Size += R.size();
> -
> - // Insert at the end of this child.
> - if (RopePieceBTreeNode *RHS = getChild(i)->insert(Offset-ChildOffs, R))
> - return HandleChildPiece(i, RHS);
> -
> - return nullptr;
> -}
> -
> -/// HandleChildPiece - A child propagated an insertion result up to us.
> -/// Insert the new child, and/or propagate the result further up the tree.
> -RopePieceBTreeNode *
> -RopePieceBTreeInterior::HandleChildPiece(unsigned i, RopePieceBTreeNode *RHS) {
> - // Otherwise the child propagated a subtree up to us as a new child. See if
> - // we have space for it here.
> - if (!isFull()) {
> - // Insert RHS after child 'i'.
> - if (i + 1 != getNumChildren())
> - memmove(&Children[i+2], &Children[i+1],
> - (getNumChildren()-i-1)*sizeof(Children[0]));
> - Children[i+1] = RHS;
> - ++NumChildren;
> - return nullptr;
> - }
> -
> - // Okay, this node is full. Split it in half, moving WidthFactor children to
> - // a newly allocated interior node.
> -
> - // Create the new node.
> - RopePieceBTreeInterior *NewNode = new RopePieceBTreeInterior();
> -
> - // Move over the last 'WidthFactor' values from here to NewNode.
> - memcpy(&NewNode->Children[0], &Children[WidthFactor],
> - WidthFactor*sizeof(Children[0]));
> -
> - // Decrease the number of values in the two nodes.
> - NewNode->NumChildren = NumChildren = WidthFactor;
> -
> - // Finally, insert the two new children in the side the can (now) hold them.
> - // These insertions can't fail.
> - if (i < WidthFactor)
> - this->HandleChildPiece(i, RHS);
> - else
> - NewNode->HandleChildPiece(i-WidthFactor, RHS);
> -
> - // Recompute the two nodes' size.
> - NewNode->FullRecomputeSizeLocally();
> - FullRecomputeSizeLocally();
> - return NewNode;
> -}
> -
> -/// erase - Remove NumBytes from this node at the specified offset. We are
> -/// guaranteed that there is a split at Offset.
> -void RopePieceBTreeInterior::erase(unsigned Offset, unsigned NumBytes) {
> - // This will shrink this node by NumBytes.
> - Size -= NumBytes;
> -
> - // Find the first child that overlaps with Offset.
> - unsigned i = 0;
> - for (; Offset >= getChild(i)->size(); ++i)
> - Offset -= getChild(i)->size();
> -
> - // Propagate the delete request into overlapping children, or completely
> - // delete the children as appropriate.
> - while (NumBytes) {
> - RopePieceBTreeNode *CurChild = getChild(i);
> -
> - // If we are deleting something contained entirely in the child, pass on the
> - // request.
> - if (Offset+NumBytes < CurChild->size()) {
> - CurChild->erase(Offset, NumBytes);
> - return;
> - }
> -
> - // If this deletion request starts somewhere in the middle of the child, it
> - // must be deleting to the end of the child.
> - if (Offset) {
> - unsigned BytesFromChild = CurChild->size()-Offset;
> - CurChild->erase(Offset, BytesFromChild);
> - NumBytes -= BytesFromChild;
> - // Start at the beginning of the next child.
> - Offset = 0;
> - ++i;
> - continue;
> - }
> -
> - // If the deletion request completely covers the child, delete it and move
> - // the rest down.
> - NumBytes -= CurChild->size();
> - CurChild->Destroy();
> - --NumChildren;
> - if (i != getNumChildren())
> - memmove(&Children[i], &Children[i+1],
> - (getNumChildren()-i)*sizeof(Children[0]));
> - }
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTreeNode Implementation
> -//===----------------------------------------------------------------------===//
> -
> -void RopePieceBTreeNode::Destroy() {
> - if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(this))
> - delete Leaf;
> - else
> - delete cast<RopePieceBTreeInterior>(this);
> -}
> -
> -/// split - Split the range containing the specified offset so that we are
> -/// guaranteed that there is a place to do an insertion at the specified
> -/// offset. The offset is relative, so "0" is the start of the node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeNode::split(unsigned Offset) {
> - assert(Offset <= size() && "Invalid offset to split!");
> - if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(this))
> - return Leaf->split(Offset);
> - return cast<RopePieceBTreeInterior>(this)->split(Offset);
> -}
> -
> -/// insert - Insert the specified ropepiece into this tree node at the
> -/// specified offset. The offset is relative, so "0" is the start of the
> -/// node.
> -///
> -/// If there is no space in this subtree for the extra piece, the extra tree
> -/// node is returned and must be inserted into a parent.
> -RopePieceBTreeNode *RopePieceBTreeNode::insert(unsigned Offset,
> - const RopePiece &R) {
> - assert(Offset <= size() && "Invalid offset to insert!");
> - if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(this))
> - return Leaf->insert(Offset, R);
> - return cast<RopePieceBTreeInterior>(this)->insert(Offset, R);
> -}
> -
> -/// erase - Remove NumBytes from this node at the specified offset. We are
> -/// guaranteed that there is a split at Offset.
> -void RopePieceBTreeNode::erase(unsigned Offset, unsigned NumBytes) {
> - assert(Offset+NumBytes <= size() && "Invalid offset to erase!");
> - if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(this))
> - return Leaf->erase(Offset, NumBytes);
> - return cast<RopePieceBTreeInterior>(this)->erase(Offset, NumBytes);
> -}
> -
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTreeIterator Implementation
> -//===----------------------------------------------------------------------===//
> -
> -static const RopePieceBTreeLeaf *getCN(const void *P) {
> - return static_cast<const RopePieceBTreeLeaf*>(P);
> -}
> -
> -// begin iterator.
> -RopePieceBTreeIterator::RopePieceBTreeIterator(const void *n) {
> - const RopePieceBTreeNode *N = static_cast<const RopePieceBTreeNode*>(n);
> -
> - // Walk down the left side of the tree until we get to a leaf.
> - while (const RopePieceBTreeInterior *IN = dyn_cast<RopePieceBTreeInterior>(N))
> - N = IN->getChild(0);
> -
> - // We must have at least one leaf.
> - CurNode = cast<RopePieceBTreeLeaf>(N);
> -
> - // If we found a leaf that happens to be empty, skip over it until we get
> - // to something full.
> - while (CurNode && getCN(CurNode)->getNumPieces() == 0)
> - CurNode = getCN(CurNode)->getNextLeafInOrder();
> -
> - if (CurNode)
> - CurPiece = &getCN(CurNode)->getPiece(0);
> - else // Empty tree, this is an end() iterator.
> - CurPiece = nullptr;
> - CurChar = 0;
> -}
> -
> -void RopePieceBTreeIterator::MoveToNextPiece() {
> - if (CurPiece != &getCN(CurNode)->getPiece(getCN(CurNode)->getNumPieces()-1)) {
> - CurChar = 0;
> - ++CurPiece;
> - return;
> - }
> -
> - // Find the next non-empty leaf node.
> - do
> - CurNode = getCN(CurNode)->getNextLeafInOrder();
> - while (CurNode && getCN(CurNode)->getNumPieces() == 0);
> -
> - if (CurNode)
> - CurPiece = &getCN(CurNode)->getPiece(0);
> - else // Hit end().
> - CurPiece = nullptr;
> - CurChar = 0;
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// RopePieceBTree Implementation
> -//===----------------------------------------------------------------------===//
> -
> -static RopePieceBTreeNode *getRoot(void *P) {
> - return static_cast<RopePieceBTreeNode*>(P);
> -}
> -
> -RopePieceBTree::RopePieceBTree() {
> - Root = new RopePieceBTreeLeaf();
> -}
> -RopePieceBTree::RopePieceBTree(const RopePieceBTree &RHS) {
> - assert(RHS.empty() && "Can't copy non-empty tree yet");
> - Root = new RopePieceBTreeLeaf();
> -}
> -RopePieceBTree::~RopePieceBTree() {
> - getRoot(Root)->Destroy();
> -}
> -
> -unsigned RopePieceBTree::size() const {
> - return getRoot(Root)->size();
> -}
> -
> -void RopePieceBTree::clear() {
> - if (RopePieceBTreeLeaf *Leaf = dyn_cast<RopePieceBTreeLeaf>(getRoot(Root)))
> - Leaf->clear();
> - else {
> - getRoot(Root)->Destroy();
> - Root = new RopePieceBTreeLeaf();
> - }
> -}
> -
> -void RopePieceBTree::insert(unsigned Offset, const RopePiece &R) {
> - // #1. Split at Offset.
> - if (RopePieceBTreeNode *RHS = getRoot(Root)->split(Offset))
> - Root = new RopePieceBTreeInterior(getRoot(Root), RHS);
> -
> - // #2. Do the insertion.
> - if (RopePieceBTreeNode *RHS = getRoot(Root)->insert(Offset, R))
> - Root = new RopePieceBTreeInterior(getRoot(Root), RHS);
> -}
> -
> -void RopePieceBTree::erase(unsigned Offset, unsigned NumBytes) {
> - // #1. Split at Offset.
> - if (RopePieceBTreeNode *RHS = getRoot(Root)->split(Offset))
> - Root = new RopePieceBTreeInterior(getRoot(Root), RHS);
> -
> - // #2. Do the erasing.
> - getRoot(Root)->erase(Offset, NumBytes);
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// RewriteRope Implementation
> -//===----------------------------------------------------------------------===//
> -
> -/// MakeRopeString - This copies the specified byte range into some instance of
> -/// RopeRefCountString, and return a RopePiece that represents it. This uses
> -/// the AllocBuffer object to aggregate requests for small strings into one
> -/// allocation instead of doing tons of tiny allocations.
> -RopePiece RewriteRope::MakeRopeString(const char *Start, const char *End) {
> - unsigned Len = End-Start;
> - assert(Len && "Zero length RopePiece is invalid!");
> -
> - // If we have space for this string in the current alloc buffer, use it.
> - if (AllocOffs+Len <= AllocChunkSize) {
> - memcpy(AllocBuffer->Data+AllocOffs, Start, Len);
> - AllocOffs += Len;
> - return RopePiece(AllocBuffer, AllocOffs-Len, AllocOffs);
> - }
> -
> - // If we don't have enough room because this specific allocation is huge,
> - // just allocate a new rope piece for it alone.
> - if (Len > AllocChunkSize) {
> - unsigned Size = End-Start+sizeof(RopeRefCountString)-1;
> - RopeRefCountString *Res =
> - reinterpret_cast<RopeRefCountString *>(new char[Size]);
> - Res->RefCount = 0;
> - memcpy(Res->Data, Start, End-Start);
> - return RopePiece(Res, 0, End-Start);
> - }
> -
> - // Otherwise, this was a small request but we just don't have space for it
> - // Make a new chunk and share it with later allocations.
> -
> - if (AllocBuffer)
> - AllocBuffer->dropRef();
> -
> - unsigned AllocSize = offsetof(RopeRefCountString, Data) + AllocChunkSize;
> - AllocBuffer = reinterpret_cast<RopeRefCountString *>(new char[AllocSize]);
> - AllocBuffer->RefCount = 0;
> - memcpy(AllocBuffer->Data, Start, Len);
> - AllocOffs = Len;
> -
> - // Start out the new allocation with a refcount of 1, since we have an
> - // internal reference to it.
> - AllocBuffer->addRef();
> - return RopePiece(AllocBuffer, 0, Len);
> -}
> -
> -
>
> Removed: cfe/trunk/lib/Rewrite/Core/Rewriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/Rewriter.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/Rewriter.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Core/Rewriter.cpp (removed)
> @@ -1,495 +0,0 @@
> -//===--- Rewriter.cpp - Code rewriting interface --------------------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This file defines the Rewriter class, which is used for code
> -// transformations.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "clang/AST/Decl.h"
> -#include "clang/AST/PrettyPrinter.h"
> -#include "clang/AST/Stmt.h"
> -#include "clang/Basic/DiagnosticIDs.h"
> -#include "clang/Basic/FileManager.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Lexer.h"
> -#include "llvm/ADT/SmallString.h"
> -#include "llvm/Config/llvm-config.h"
> -#include "llvm/Support/FileSystem.h"
> -#include "llvm/Support/raw_ostream.h"
> -using namespace clang;
> -
> -raw_ostream &RewriteBuffer::write(raw_ostream &os) const {
> - // Walk RewriteRope chunks efficiently using MoveToNextPiece() instead of the
> - // character iterator.
> - for (RopePieceBTreeIterator I = begin(), E = end(); I != E;
> - I.MoveToNextPiece())
> - os << I.piece();
> - return os;
> -}
> -
> -/// \brief Return true if this character is non-new-line whitespace:
> -/// ' ', '\\t', '\\f', '\\v', '\\r'.
> -static inline bool isWhitespace(unsigned char c) {
> - switch (c) {
> - case ' ':
> - case '\t':
> - case '\f':
> - case '\v':
> - case '\r':
> - return true;
> - default:
> - return false;
> - }
> -}
> -
> -void RewriteBuffer::RemoveText(unsigned OrigOffset, unsigned Size,
> - bool removeLineIfEmpty) {
> - // Nothing to remove, exit early.
> - if (Size == 0) return;
> -
> - unsigned RealOffset = getMappedOffset(OrigOffset, true);
> - assert(RealOffset+Size < Buffer.size() && "Invalid location");
> -
> - // Remove the dead characters.
> - Buffer.erase(RealOffset, Size);
> -
> - // Add a delta so that future changes are offset correctly.
> - AddReplaceDelta(OrigOffset, -Size);
> -
> - if (removeLineIfEmpty) {
> - // Find the line that the remove occurred and if it is completely empty
> - // remove the line as well.
> -
> - iterator curLineStart = begin();
> - unsigned curLineStartOffs = 0;
> - iterator posI = begin();
> - for (unsigned i = 0; i != RealOffset; ++i) {
> - if (*posI == '\n') {
> - curLineStart = posI;
> - ++curLineStart;
> - curLineStartOffs = i + 1;
> - }
> - ++posI;
> - }
> -
> - unsigned lineSize = 0;
> - posI = curLineStart;
> - while (posI != end() && isWhitespace(*posI)) {
> - ++posI;
> - ++lineSize;
> - }
> - if (posI != end() && *posI == '\n') {
> - Buffer.erase(curLineStartOffs, lineSize + 1/* + '\n'*/);
> - AddReplaceDelta(curLineStartOffs, -(lineSize + 1/* + '\n'*/));
> - }
> - }
> -}
> -
> -void RewriteBuffer::InsertText(unsigned OrigOffset, StringRef Str,
> - bool InsertAfter) {
> -
> - // Nothing to insert, exit early.
> - if (Str.empty()) return;
> -
> - unsigned RealOffset = getMappedOffset(OrigOffset, InsertAfter);
> - Buffer.insert(RealOffset, Str.begin(), Str.end());
> -
> - // Add a delta so that future changes are offset correctly.
> - AddInsertDelta(OrigOffset, Str.size());
> -}
> -
> -/// ReplaceText - This method replaces a range of characters in the input
> -/// buffer with a new string. This is effectively a combined "remove+insert"
> -/// operation.
> -void RewriteBuffer::ReplaceText(unsigned OrigOffset, unsigned OrigLength,
> - StringRef NewStr) {
> - unsigned RealOffset = getMappedOffset(OrigOffset, true);
> - Buffer.erase(RealOffset, OrigLength);
> - Buffer.insert(RealOffset, NewStr.begin(), NewStr.end());
> - if (OrigLength != NewStr.size())
> - AddReplaceDelta(OrigOffset, NewStr.size() - OrigLength);
> -}
> -
> -
> -//===----------------------------------------------------------------------===//
> -// Rewriter class
> -//===----------------------------------------------------------------------===//
> -
> -/// getRangeSize - Return the size in bytes of the specified range if they
> -/// are in the same file. If not, this returns -1.
> -int Rewriter::getRangeSize(const CharSourceRange &Range,
> - RewriteOptions opts) const {
> - if (!isRewritable(Range.getBegin()) ||
> - !isRewritable(Range.getEnd())) return -1;
> -
> - FileID StartFileID, EndFileID;
> - unsigned StartOff, EndOff;
> -
> - StartOff = getLocationOffsetAndFileID(Range.getBegin(), StartFileID);
> - EndOff = getLocationOffsetAndFileID(Range.getEnd(), EndFileID);
> -
> - if (StartFileID != EndFileID)
> - return -1;
> -
> - // If edits have been made to this buffer, the delta between the range may
> - // have changed.
> - std::map<FileID, RewriteBuffer>::const_iterator I =
> - RewriteBuffers.find(StartFileID);
> - if (I != RewriteBuffers.end()) {
> - const RewriteBuffer &RB = I->second;
> - EndOff = RB.getMappedOffset(EndOff, opts.IncludeInsertsAtEndOfRange);
> - StartOff = RB.getMappedOffset(StartOff, !opts.IncludeInsertsAtBeginOfRange);
> - }
> -
> -
> - // Adjust the end offset to the end of the last token, instead of being the
> - // start of the last token if this is a token range.
> - if (Range.isTokenRange())
> - EndOff += Lexer::MeasureTokenLength(Range.getEnd(), *SourceMgr, *LangOpts);
> -
> - return EndOff-StartOff;
> -}
> -
> -int Rewriter::getRangeSize(SourceRange Range, RewriteOptions opts) const {
> - return getRangeSize(CharSourceRange::getTokenRange(Range), opts);
> -}
> -
> -
> -/// getRewrittenText - Return the rewritten form of the text in the specified
> -/// range. If the start or end of the range was unrewritable or if they are
> -/// in different buffers, this returns an empty string.
> -///
> -/// Note that this method is not particularly efficient.
> -///
> -std::string Rewriter::getRewrittenText(SourceRange Range) const {
> - if (!isRewritable(Range.getBegin()) ||
> - !isRewritable(Range.getEnd()))
> - return "";
> -
> - FileID StartFileID, EndFileID;
> - unsigned StartOff, EndOff;
> - StartOff = getLocationOffsetAndFileID(Range.getBegin(), StartFileID);
> - EndOff = getLocationOffsetAndFileID(Range.getEnd(), EndFileID);
> -
> - if (StartFileID != EndFileID)
> - return ""; // Start and end in different buffers.
> -
> - // If edits have been made to this buffer, the delta between the range may
> - // have changed.
> - std::map<FileID, RewriteBuffer>::const_iterator I =
> - RewriteBuffers.find(StartFileID);
> - if (I == RewriteBuffers.end()) {
> - // If the buffer hasn't been rewritten, just return the text from the input.
> - const char *Ptr = SourceMgr->getCharacterData(Range.getBegin());
> -
> - // Adjust the end offset to the end of the last token, instead of being the
> - // start of the last token.
> - EndOff += Lexer::MeasureTokenLength(Range.getEnd(), *SourceMgr, *LangOpts);
> - return std::string(Ptr, Ptr+EndOff-StartOff);
> - }
> -
> - const RewriteBuffer &RB = I->second;
> - EndOff = RB.getMappedOffset(EndOff, true);
> - StartOff = RB.getMappedOffset(StartOff);
> -
> - // Adjust the end offset to the end of the last token, instead of being the
> - // start of the last token.
> - EndOff += Lexer::MeasureTokenLength(Range.getEnd(), *SourceMgr, *LangOpts);
> -
> - // Advance the iterators to the right spot, yay for linear time algorithms.
> - RewriteBuffer::iterator Start = RB.begin();
> - std::advance(Start, StartOff);
> - RewriteBuffer::iterator End = Start;
> - std::advance(End, EndOff-StartOff);
> -
> - return std::string(Start, End);
> -}
> -
> -unsigned Rewriter::getLocationOffsetAndFileID(SourceLocation Loc,
> - FileID &FID) const {
> - assert(Loc.isValid() && "Invalid location");
> - std::pair<FileID,unsigned> V = SourceMgr->getDecomposedLoc(Loc);
> - FID = V.first;
> - return V.second;
> -}
> -
> -
> -/// getEditBuffer - Get or create a RewriteBuffer for the specified FileID.
> -///
> -RewriteBuffer &Rewriter::getEditBuffer(FileID FID) {
> - std::map<FileID, RewriteBuffer>::iterator I =
> - RewriteBuffers.lower_bound(FID);
> - if (I != RewriteBuffers.end() && I->first == FID)
> - return I->second;
> - I = RewriteBuffers.insert(I, std::make_pair(FID, RewriteBuffer()));
> -
> - StringRef MB = SourceMgr->getBufferData(FID);
> - I->second.Initialize(MB.begin(), MB.end());
> -
> - return I->second;
> -}
> -
> -/// InsertText - Insert the specified string at the specified location in the
> -/// original buffer.
> -bool Rewriter::InsertText(SourceLocation Loc, StringRef Str,
> - bool InsertAfter, bool indentNewLines) {
> - if (!isRewritable(Loc)) return true;
> - FileID FID;
> - unsigned StartOffs = getLocationOffsetAndFileID(Loc, FID);
> -
> - SmallString<128> indentedStr;
> - if (indentNewLines && Str.find('\n') != StringRef::npos) {
> - StringRef MB = SourceMgr->getBufferData(FID);
> -
> - unsigned lineNo = SourceMgr->getLineNumber(FID, StartOffs) - 1;
> - const SrcMgr::ContentCache *
> - Content = SourceMgr->getSLocEntry(FID).getFile().getContentCache();
> - unsigned lineOffs = Content->SourceLineCache[lineNo];
> -
> - // Find the whitespace at the start of the line.
> - StringRef indentSpace;
> - {
> - unsigned i = lineOffs;
> - while (isWhitespace(MB[i]))
> - ++i;
> - indentSpace = MB.substr(lineOffs, i-lineOffs);
> - }
> -
> - SmallVector<StringRef, 4> lines;
> - Str.split(lines, "\n");
> -
> - for (unsigned i = 0, e = lines.size(); i != e; ++i) {
> - indentedStr += lines[i];
> - if (i < e-1) {
> - indentedStr += '\n';
> - indentedStr += indentSpace;
> - }
> - }
> - Str = indentedStr.str();
> - }
> -
> - getEditBuffer(FID).InsertText(StartOffs, Str, InsertAfter);
> - return false;
> -}
> -
> -bool Rewriter::InsertTextAfterToken(SourceLocation Loc, StringRef Str) {
> - if (!isRewritable(Loc)) return true;
> - FileID FID;
> - unsigned StartOffs = getLocationOffsetAndFileID(Loc, FID);
> - RewriteOptions rangeOpts;
> - rangeOpts.IncludeInsertsAtBeginOfRange = false;
> - StartOffs += getRangeSize(SourceRange(Loc, Loc), rangeOpts);
> - getEditBuffer(FID).InsertText(StartOffs, Str, /*InsertAfter*/true);
> - return false;
> -}
> -
> -/// RemoveText - Remove the specified text region.
> -bool Rewriter::RemoveText(SourceLocation Start, unsigned Length,
> - RewriteOptions opts) {
> - if (!isRewritable(Start)) return true;
> - FileID FID;
> - unsigned StartOffs = getLocationOffsetAndFileID(Start, FID);
> - getEditBuffer(FID).RemoveText(StartOffs, Length, opts.RemoveLineIfEmpty);
> - return false;
> -}
> -
> -/// ReplaceText - This method replaces a range of characters in the input
> -/// buffer with a new string. This is effectively a combined "remove/insert"
> -/// operation.
> -bool Rewriter::ReplaceText(SourceLocation Start, unsigned OrigLength,
> - StringRef NewStr) {
> - if (!isRewritable(Start)) return true;
> - FileID StartFileID;
> - unsigned StartOffs = getLocationOffsetAndFileID(Start, StartFileID);
> -
> - getEditBuffer(StartFileID).ReplaceText(StartOffs, OrigLength, NewStr);
> - return false;
> -}
> -
> -bool Rewriter::ReplaceText(SourceRange range, SourceRange replacementRange) {
> - if (!isRewritable(range.getBegin())) return true;
> - if (!isRewritable(range.getEnd())) return true;
> - if (replacementRange.isInvalid()) return true;
> - SourceLocation start = range.getBegin();
> - unsigned origLength = getRangeSize(range);
> - unsigned newLength = getRangeSize(replacementRange);
> - FileID FID;
> - unsigned newOffs = getLocationOffsetAndFileID(replacementRange.getBegin(),
> - FID);
> - StringRef MB = SourceMgr->getBufferData(FID);
> - return ReplaceText(start, origLength, MB.substr(newOffs, newLength));
> -}
> -
> -/// ReplaceStmt - This replaces a Stmt/Expr with another, using the pretty
> -/// printer to generate the replacement code. This returns true if the input
> -/// could not be rewritten, or false if successful.
> -bool Rewriter::ReplaceStmt(Stmt *From, Stmt *To) {
> - assert(From != nullptr && To != nullptr && "Expected non-null Stmt's");
> -
> - // Measaure the old text.
> - int Size = getRangeSize(From->getSourceRange());
> - if (Size == -1)
> - return true;
> -
> - // Get the new text.
> - std::string SStr;
> - llvm::raw_string_ostream S(SStr);
> - To->printPretty(S, nullptr, PrintingPolicy(*LangOpts));
> - const std::string &Str = S.str();
> -
> - ReplaceText(From->getLocStart(), Size, Str);
> - return false;
> -}
> -
> -std::string Rewriter::ConvertToString(Stmt *From) {
> - assert(From != nullptr && "Expected non-null Stmt");
> - std::string SStr;
> - llvm::raw_string_ostream S(SStr);
> - From->printPretty(S, nullptr, PrintingPolicy(*LangOpts));
> - return S.str();
> -}
> -
> -bool Rewriter::IncreaseIndentation(CharSourceRange range,
> - SourceLocation parentIndent) {
> - if (range.isInvalid()) return true;
> - if (!isRewritable(range.getBegin())) return true;
> - if (!isRewritable(range.getEnd())) return true;
> - if (!isRewritable(parentIndent)) return true;
> -
> - FileID StartFileID, EndFileID, parentFileID;
> - unsigned StartOff, EndOff, parentOff;
> -
> - StartOff = getLocationOffsetAndFileID(range.getBegin(), StartFileID);
> - EndOff = getLocationOffsetAndFileID(range.getEnd(), EndFileID);
> - parentOff = getLocationOffsetAndFileID(parentIndent, parentFileID);
> -
> - if (StartFileID != EndFileID || StartFileID != parentFileID)
> - return true;
> - if (StartOff > EndOff)
> - return true;
> -
> - FileID FID = StartFileID;
> - StringRef MB = SourceMgr->getBufferData(FID);
> -
> - unsigned parentLineNo = SourceMgr->getLineNumber(FID, parentOff) - 1;
> - unsigned startLineNo = SourceMgr->getLineNumber(FID, StartOff) - 1;
> - unsigned endLineNo = SourceMgr->getLineNumber(FID, EndOff) - 1;
> -
> - const SrcMgr::ContentCache *
> - Content = SourceMgr->getSLocEntry(FID).getFile().getContentCache();
> -
> - // Find where the lines start.
> - unsigned parentLineOffs = Content->SourceLineCache[parentLineNo];
> - unsigned startLineOffs = Content->SourceLineCache[startLineNo];
> -
> - // Find the whitespace at the start of each line.
> - StringRef parentSpace, startSpace;
> - {
> - unsigned i = parentLineOffs;
> - while (isWhitespace(MB[i]))
> - ++i;
> - parentSpace = MB.substr(parentLineOffs, i-parentLineOffs);
> -
> - i = startLineOffs;
> - while (isWhitespace(MB[i]))
> - ++i;
> - startSpace = MB.substr(startLineOffs, i-startLineOffs);
> - }
> - if (parentSpace.size() >= startSpace.size())
> - return true;
> - if (!startSpace.startswith(parentSpace))
> - return true;
> -
> - StringRef indent = startSpace.substr(parentSpace.size());
> -
> - // Indent the lines between start/end offsets.
> - RewriteBuffer &RB = getEditBuffer(FID);
> - for (unsigned lineNo = startLineNo; lineNo <= endLineNo; ++lineNo) {
> - unsigned offs = Content->SourceLineCache[lineNo];
> - unsigned i = offs;
> - while (isWhitespace(MB[i]))
> - ++i;
> - StringRef origIndent = MB.substr(offs, i-offs);
> - if (origIndent.startswith(startSpace))
> - RB.InsertText(offs, indent, /*InsertAfter=*/false);
> - }
> -
> - return false;
> -}
> -
> -namespace {
> -// A wrapper for a file stream that atomically overwrites the target.
> -//
> -// Creates a file output stream for a temporary file in the constructor,
> -// which is later accessible via getStream() if ok() return true.
> -// Flushes the stream and moves the temporary file to the target location
> -// in the destructor.
> -class AtomicallyMovedFile {
> -public:
> - AtomicallyMovedFile(DiagnosticsEngine &Diagnostics, StringRef Filename,
> - bool &AllWritten)
> - : Diagnostics(Diagnostics), Filename(Filename), AllWritten(AllWritten) {
> - TempFilename = Filename;
> - TempFilename += "-%%%%%%%%";
> - int FD;
> - if (llvm::sys::fs::createUniqueFile(TempFilename.str(), FD, TempFilename)) {
> - AllWritten = false;
> - Diagnostics.Report(clang::diag::err_unable_to_make_temp)
> - << TempFilename;
> - } else {
> - FileStream.reset(new llvm::raw_fd_ostream(FD, /*shouldClose=*/true));
> - }
> - }
> -
> - ~AtomicallyMovedFile() {
> - if (!ok()) return;
> -
> - FileStream->flush();
> -#ifdef LLVM_ON_WIN32
> - // Win32 does not allow rename/removing opened files.
> - FileStream.reset();
> -#endif
> - if (std::error_code ec =
> - llvm::sys::fs::rename(TempFilename.str(), Filename)) {
> - AllWritten = false;
> - Diagnostics.Report(clang::diag::err_unable_to_rename_temp)
> - << TempFilename << Filename << ec.message();
> - // If the remove fails, there's not a lot we can do - this is already an
> - // error.
> - llvm::sys::fs::remove(TempFilename.str());
> - }
> - }
> -
> - bool ok() { return (bool)FileStream; }
> - raw_ostream &getStream() { return *FileStream; }
> -
> -private:
> - DiagnosticsEngine &Diagnostics;
> - StringRef Filename;
> - SmallString<128> TempFilename;
> - std::unique_ptr<llvm::raw_fd_ostream> FileStream;
> - bool &AllWritten;
> -};
> -} // end anonymous namespace
> -
> -bool Rewriter::overwriteChangedFiles() {
> - bool AllWritten = true;
> - for (buffer_iterator I = buffer_begin(), E = buffer_end(); I != E; ++I) {
> - const FileEntry *Entry =
> - getSourceMgr().getFileEntryForID(I->first);
> - AtomicallyMovedFile File(getSourceMgr().getDiagnostics(), Entry->getName(),
> - AllWritten);
> - if (File.ok()) {
> - I->second.write(File.getStream());
> - }
> - }
> - return !AllWritten;
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp (removed)
> @@ -1,99 +0,0 @@
> -//===--- TokenRewriter.cpp - Token-based code rewriting interface ---------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This file implements the TokenRewriter class, which is used for code
> -// transformations.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Core/TokenRewriter.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Lexer.h"
> -#include "clang/Lex/ScratchBuffer.h"
> -using namespace clang;
> -
> -TokenRewriter::TokenRewriter(FileID FID, SourceManager &SM,
> - const LangOptions &LangOpts) {
> - ScratchBuf.reset(new ScratchBuffer(SM));
> -
> - // Create a lexer to lex all the tokens of the main file in raw mode.
> - const llvm::MemoryBuffer *FromFile = SM.getBuffer(FID);
> - Lexer RawLex(FID, FromFile, SM, LangOpts);
> -
> - // Return all comments and whitespace as tokens.
> - RawLex.SetKeepWhitespaceMode(true);
> -
> - // Lex the file, populating our datastructures.
> - Token RawTok;
> - RawLex.LexFromRawLexer(RawTok);
> - while (RawTok.isNot(tok::eof)) {
> -#if 0
> - if (Tok.is(tok::raw_identifier)) {
> - // Look up the identifier info for the token. This should use
> - // IdentifierTable directly instead of PP.
> - PP.LookUpIdentifierInfo(Tok);
> - }
> -#endif
> -
> - AddToken(RawTok, TokenList.end());
> - RawLex.LexFromRawLexer(RawTok);
> - }
> -}
> -
> -TokenRewriter::~TokenRewriter() {
> -}
> -
> -
> -/// RemapIterator - Convert from token_iterator (a const iterator) to
> -/// TokenRefTy (a non-const iterator).
> -TokenRewriter::TokenRefTy TokenRewriter::RemapIterator(token_iterator I) {
> - if (I == token_end()) return TokenList.end();
> -
> - // FIXME: This is horrible, we should use our own list or something to avoid
> - // this.
> - std::map<SourceLocation, TokenRefTy>::iterator MapIt =
> - TokenAtLoc.find(I->getLocation());
> - assert(MapIt != TokenAtLoc.end() && "iterator not in rewriter?");
> - return MapIt->second;
> -}
> -
> -
> -/// AddToken - Add the specified token into the Rewriter before the other
> -/// position.
> -TokenRewriter::TokenRefTy
> -TokenRewriter::AddToken(const Token &T, TokenRefTy Where) {
> - Where = TokenList.insert(Where, T);
> -
> - bool InsertSuccess = TokenAtLoc.insert(std::make_pair(T.getLocation(),
> - Where)).second;
> - assert(InsertSuccess && "Token location already in rewriter!");
> - (void)InsertSuccess;
> - return Where;
> -}
> -
> -
> -TokenRewriter::token_iterator
> -TokenRewriter::AddTokenBefore(token_iterator I, const char *Val) {
> - unsigned Len = strlen(Val);
> -
> - // Plop the string into the scratch buffer, then create a token for this
> - // string.
> - Token Tok;
> - Tok.startToken();
> - const char *Spelling;
> - Tok.setLocation(ScratchBuf->getToken(Val, Len, Spelling));
> - Tok.setLength(Len);
> -
> - // TODO: Form a whole lexer around this and relex the token! For now, just
> - // set kind to tok::unknown.
> - Tok.setKind(tok::unknown);
> -
> - return AddToken(Tok, RemapIterator(I));
> -}
> -
>
> Copied: cfe/trunk/lib/Rewrite/DeltaTree.cpp (from r213167, cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/DeltaTree.cpp?p2=cfe/trunk/lib/Rewrite/DeltaTree.cpp&p1=cfe/trunk/lib/Rewrite/Core/DeltaTree.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/CMakeLists.txt (removed)
> @@ -1,22 +0,0 @@
> -set(LLVM_LINK_COMPONENTS
> - Support
> - )
> -
> -add_clang_library(clangRewriteFrontend
> - FixItRewriter.cpp
> - FrontendActions.cpp
> - HTMLPrint.cpp
> - InclusionRewriter.cpp
> - RewriteMacros.cpp
> - RewriteModernObjC.cpp
> - RewriteObjC.cpp
> - RewriteTest.cpp
> -
> - LINK_LIBS
> - clangAST
> - clangBasic
> - clangEdit
> - clangFrontend
> - clangLex
> - clangRewriteCore
> - )
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/FixItRewriter.cpp (removed)
> @@ -1,200 +0,0 @@
> -//===--- FixItRewriter.cpp - Fix-It Rewriter Diagnostic Client --*- C++ -*-===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This is a diagnostic client adaptor that performs rewrites as
> -// suggested by code modification hints attached to diagnostics. It
> -// then forwards any diagnostics to the adapted diagnostic client.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/FixItRewriter.h"
> -#include "clang/Basic/FileManager.h"
> -#include "clang/Basic/SourceLocation.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Edit/Commit.h"
> -#include "clang/Edit/EditsReceiver.h"
> -#include "clang/Frontend/FrontendDiagnostic.h"
> -#include "llvm/Support/Path.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <cstdio>
> -#include <memory>
> -
> -using namespace clang;
> -
> -FixItRewriter::FixItRewriter(DiagnosticsEngine &Diags, SourceManager &SourceMgr,
> - const LangOptions &LangOpts,
> - FixItOptions *FixItOpts)
> - : Diags(Diags),
> - Editor(SourceMgr, LangOpts),
> - Rewrite(SourceMgr, LangOpts),
> - FixItOpts(FixItOpts),
> - NumFailures(0),
> - PrevDiagSilenced(false) {
> - OwnsClient = Diags.ownsClient();
> - Client = Diags.takeClient();
> - Diags.setClient(this);
> -}
> -
> -FixItRewriter::~FixItRewriter() {
> - Diags.takeClient();
> - Diags.setClient(Client, OwnsClient);
> -}
> -
> -bool FixItRewriter::WriteFixedFile(FileID ID, raw_ostream &OS) {
> - const RewriteBuffer *RewriteBuf = Rewrite.getRewriteBufferFor(ID);
> - if (!RewriteBuf) return true;
> - RewriteBuf->write(OS);
> - OS.flush();
> - return false;
> -}
> -
> -namespace {
> -
> -class RewritesReceiver : public edit::EditsReceiver {
> - Rewriter &Rewrite;
> -
> -public:
> - RewritesReceiver(Rewriter &Rewrite) : Rewrite(Rewrite) { }
> -
> - void insert(SourceLocation loc, StringRef text) override {
> - Rewrite.InsertText(loc, text);
> - }
> - void replace(CharSourceRange range, StringRef text) override {
> - Rewrite.ReplaceText(range.getBegin(), Rewrite.getRangeSize(range), text);
> - }
> -};
> -
> -}
> -
> -bool FixItRewriter::WriteFixedFiles(
> - std::vector<std::pair<std::string, std::string> > *RewrittenFiles) {
> - if (NumFailures > 0 && !FixItOpts->FixWhatYouCan) {
> - Diag(FullSourceLoc(), diag::warn_fixit_no_changes);
> - return true;
> - }
> -
> - RewritesReceiver Rec(Rewrite);
> - Editor.applyRewrites(Rec);
> -
> - for (iterator I = buffer_begin(), E = buffer_end(); I != E; ++I) {
> - const FileEntry *Entry = Rewrite.getSourceMgr().getFileEntryForID(I->first);
> - int fd;
> - std::string Filename = FixItOpts->RewriteFilename(Entry->getName(), fd);
> - std::string Err;
> - std::unique_ptr<llvm::raw_fd_ostream> OS;
> - if (fd != -1) {
> - OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true));
> - } else {
> - OS.reset(new llvm::raw_fd_ostream(Filename.c_str(), Err,
> - llvm::sys::fs::F_None));
> - }
> - if (!Err.empty()) {
> - Diags.Report(clang::diag::err_fe_unable_to_open_output)
> - << Filename << Err;
> - continue;
> - }
> - RewriteBuffer &RewriteBuf = I->second;
> - RewriteBuf.write(*OS);
> - OS->flush();
> -
> - if (RewrittenFiles)
> - RewrittenFiles->push_back(std::make_pair(Entry->getName(), Filename));
> - }
> -
> - return false;
> -}
> -
> -bool FixItRewriter::IncludeInDiagnosticCounts() const {
> - return Client ? Client->IncludeInDiagnosticCounts() : true;
> -}
> -
> -void FixItRewriter::HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
> - const Diagnostic &Info) {
> - // Default implementation (Warnings/errors count).
> - DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info);
> -
> - if (!FixItOpts->Silent ||
> - DiagLevel >= DiagnosticsEngine::Error ||
> - (DiagLevel == DiagnosticsEngine::Note && !PrevDiagSilenced) ||
> - (DiagLevel > DiagnosticsEngine::Note && Info.getNumFixItHints())) {
> - Client->HandleDiagnostic(DiagLevel, Info);
> - PrevDiagSilenced = false;
> - } else {
> - PrevDiagSilenced = true;
> - }
> -
> - // Skip over any diagnostics that are ignored or notes.
> - if (DiagLevel <= DiagnosticsEngine::Note)
> - return;
> - // Skip over errors if we are only fixing warnings.
> - if (DiagLevel >= DiagnosticsEngine::Error && FixItOpts->FixOnlyWarnings) {
> - ++NumFailures;
> - return;
> - }
> -
> - // Make sure that we can perform all of the modifications we
> - // in this diagnostic.
> - edit::Commit commit(Editor);
> - for (unsigned Idx = 0, Last = Info.getNumFixItHints();
> - Idx < Last; ++Idx) {
> - const FixItHint &Hint = Info.getFixItHint(Idx);
> -
> - if (Hint.CodeToInsert.empty()) {
> - if (Hint.InsertFromRange.isValid())
> - commit.insertFromRange(Hint.RemoveRange.getBegin(),
> - Hint.InsertFromRange, /*afterToken=*/false,
> - Hint.BeforePreviousInsertions);
> - else
> - commit.remove(Hint.RemoveRange);
> - } else {
> - if (Hint.RemoveRange.isTokenRange() ||
> - Hint.RemoveRange.getBegin() != Hint.RemoveRange.getEnd())
> - commit.replace(Hint.RemoveRange, Hint.CodeToInsert);
> - else
> - commit.insert(Hint.RemoveRange.getBegin(), Hint.CodeToInsert,
> - /*afterToken=*/false, Hint.BeforePreviousInsertions);
> - }
> - }
> - bool CanRewrite = Info.getNumFixItHints() > 0 && commit.isCommitable();
> -
> - if (!CanRewrite) {
> - if (Info.getNumFixItHints() > 0)
> - Diag(Info.getLocation(), diag::note_fixit_in_macro);
> -
> - // If this was an error, refuse to perform any rewriting.
> - if (DiagLevel >= DiagnosticsEngine::Error) {
> - if (++NumFailures == 1)
> - Diag(Info.getLocation(), diag::note_fixit_unfixed_error);
> - }
> - return;
> - }
> -
> - if (!Editor.commit(commit)) {
> - ++NumFailures;
> - Diag(Info.getLocation(), diag::note_fixit_failed);
> - return;
> - }
> -
> - Diag(Info.getLocation(), diag::note_fixit_applied);
> -}
> -
> -/// \brief Emit a diagnostic via the adapted diagnostic client.
> -void FixItRewriter::Diag(SourceLocation Loc, unsigned DiagID) {
> - // When producing this diagnostic, we temporarily bypass ourselves,
> - // clear out any current diagnostic, and let the downstream client
> - // format the diagnostic.
> - Diags.takeClient();
> - Diags.setClient(Client);
> - Diags.Clear();
> - Diags.Report(Loc, DiagID);
> - Diags.takeClient();
> - Diags.setClient(this);
> -}
> -
> -FixItOptions::~FixItOptions() {}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/FrontendActions.cpp (removed)
> @@ -1,192 +0,0 @@
> -//===--- FrontendActions.cpp ----------------------------------------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/FrontendActions.h"
> -#include "clang/AST/ASTConsumer.h"
> -#include "clang/Basic/FileManager.h"
> -#include "clang/Frontend/CompilerInstance.h"
> -#include "clang/Frontend/FrontendActions.h"
> -#include "clang/Frontend/FrontendDiagnostic.h"
> -#include "clang/Frontend/Utils.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "clang/Parse/Parser.h"
> -#include "clang/Rewrite/Frontend/ASTConsumers.h"
> -#include "clang/Rewrite/Frontend/FixItRewriter.h"
> -#include "clang/Rewrite/Frontend/Rewriters.h"
> -#include "llvm/Support/FileSystem.h"
> -#include "llvm/Support/Path.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <memory>
> -
> -using namespace clang;
> -
> -//===----------------------------------------------------------------------===//
> -// AST Consumer Actions
> -//===----------------------------------------------------------------------===//
> -
> -ASTConsumer *HTMLPrintAction::CreateASTConsumer(CompilerInstance &CI,
> - StringRef InFile) {
> - if (raw_ostream *OS = CI.createDefaultOutputFile(false, InFile))
> - return CreateHTMLPrinter(OS, CI.getPreprocessor());
> - return nullptr;
> -}
> -
> -FixItAction::FixItAction() {}
> -FixItAction::~FixItAction() {}
> -
> -ASTConsumer *FixItAction::CreateASTConsumer(CompilerInstance &CI,
> - StringRef InFile) {
> - return new ASTConsumer();
> -}
> -
> -namespace {
> -class FixItRewriteInPlace : public FixItOptions {
> -public:
> - std::string RewriteFilename(const std::string &Filename, int &fd) override {
> - fd = -1;
> - return Filename;
> - }
> -};
> -
> -class FixItActionSuffixInserter : public FixItOptions {
> - std::string NewSuffix;
> -
> -public:
> - FixItActionSuffixInserter(std::string NewSuffix, bool FixWhatYouCan)
> - : NewSuffix(NewSuffix) {
> - this->FixWhatYouCan = FixWhatYouCan;
> - }
> -
> - std::string RewriteFilename(const std::string &Filename, int &fd) override {
> - fd = -1;
> - SmallString<128> Path(Filename);
> - llvm::sys::path::replace_extension(Path,
> - NewSuffix + llvm::sys::path::extension(Path));
> - return Path.str();
> - }
> -};
> -
> -class FixItRewriteToTemp : public FixItOptions {
> -public:
> - std::string RewriteFilename(const std::string &Filename, int &fd) override {
> - SmallString<128> Path;
> - llvm::sys::fs::createTemporaryFile(llvm::sys::path::filename(Filename),
> - llvm::sys::path::extension(Filename), fd,
> - Path);
> - return Path.str();
> - }
> -};
> -} // end anonymous namespace
> -
> -bool FixItAction::BeginSourceFileAction(CompilerInstance &CI,
> - StringRef Filename) {
> - const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
> - if (!FEOpts.FixItSuffix.empty()) {
> - FixItOpts.reset(new FixItActionSuffixInserter(FEOpts.FixItSuffix,
> - FEOpts.FixWhatYouCan));
> - } else {
> - FixItOpts.reset(new FixItRewriteInPlace);
> - FixItOpts->FixWhatYouCan = FEOpts.FixWhatYouCan;
> - }
> - Rewriter.reset(new FixItRewriter(CI.getDiagnostics(), CI.getSourceManager(),
> - CI.getLangOpts(), FixItOpts.get()));
> - return true;
> -}
> -
> -void FixItAction::EndSourceFileAction() {
> - // Otherwise rewrite all files.
> - Rewriter->WriteFixedFiles();
> -}
> -
> -bool FixItRecompile::BeginInvocation(CompilerInstance &CI) {
> -
> - std::vector<std::pair<std::string, std::string> > RewrittenFiles;
> - bool err = false;
> - {
> - const FrontendOptions &FEOpts = CI.getFrontendOpts();
> - std::unique_ptr<FrontendAction> FixAction(new SyntaxOnlyAction());
> - if (FixAction->BeginSourceFile(CI, FEOpts.Inputs[0])) {
> - std::unique_ptr<FixItOptions> FixItOpts;
> - if (FEOpts.FixToTemporaries)
> - FixItOpts.reset(new FixItRewriteToTemp());
> - else
> - FixItOpts.reset(new FixItRewriteInPlace());
> - FixItOpts->Silent = true;
> - FixItOpts->FixWhatYouCan = FEOpts.FixWhatYouCan;
> - FixItOpts->FixOnlyWarnings = FEOpts.FixOnlyWarnings;
> - FixItRewriter Rewriter(CI.getDiagnostics(), CI.getSourceManager(),
> - CI.getLangOpts(), FixItOpts.get());
> - FixAction->Execute();
> -
> - err = Rewriter.WriteFixedFiles(&RewrittenFiles);
> -
> - FixAction->EndSourceFile();
> - CI.setSourceManager(nullptr);
> - CI.setFileManager(nullptr);
> - } else {
> - err = true;
> - }
> - }
> - if (err)
> - return false;
> - CI.getDiagnosticClient().clear();
> - CI.getDiagnostics().Reset();
> -
> - PreprocessorOptions &PPOpts = CI.getPreprocessorOpts();
> - PPOpts.RemappedFiles.insert(PPOpts.RemappedFiles.end(),
> - RewrittenFiles.begin(), RewrittenFiles.end());
> - PPOpts.RemappedFilesKeepOriginalName = false;
> -
> - return true;
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Preprocessor Actions
> -//===----------------------------------------------------------------------===//
> -
> -ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
> - StringRef InFile) {
> - if (raw_ostream *OS = CI.createDefaultOutputFile(false, InFile, "cpp")) {
> - if (CI.getLangOpts().ObjCRuntime.isNonFragile())
> - return CreateModernObjCRewriter(InFile, OS,
> - CI.getDiagnostics(), CI.getLangOpts(),
> - CI.getDiagnosticOpts().NoRewriteMacros,
> - (CI.getCodeGenOpts().getDebugInfo() !=
> - CodeGenOptions::NoDebugInfo));
> - return CreateObjCRewriter(InFile, OS,
> - CI.getDiagnostics(), CI.getLangOpts(),
> - CI.getDiagnosticOpts().NoRewriteMacros);
> - }
> - return nullptr;
> -}
> -
> -void RewriteMacrosAction::ExecuteAction() {
> - CompilerInstance &CI = getCompilerInstance();
> - raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
> - if (!OS) return;
> -
> - RewriteMacrosInInput(CI.getPreprocessor(), OS);
> -}
> -
> -void RewriteTestAction::ExecuteAction() {
> - CompilerInstance &CI = getCompilerInstance();
> - raw_ostream *OS = CI.createDefaultOutputFile(false, getCurrentFile());
> - if (!OS) return;
> -
> - DoRewriteTest(CI.getPreprocessor(), OS);
> -}
> -
> -void RewriteIncludesAction::ExecuteAction() {
> - CompilerInstance &CI = getCompilerInstance();
> - raw_ostream *OS = CI.createDefaultOutputFile(true, getCurrentFile());
> - if (!OS) return;
> -
> - RewriteIncludesInInput(CI.getPreprocessor(), OS,
> - CI.getPreprocessorOutputOpts());
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/HTMLPrint.cpp (removed)
> @@ -1,94 +0,0 @@
> -//===--- HTMLPrint.cpp - Source code -> HTML pretty-printing --------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// Pretty-printing of source code to HTML.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/ASTConsumers.h"
> -#include "clang/AST/ASTConsumer.h"
> -#include "clang/AST/ASTContext.h"
> -#include "clang/AST/Decl.h"
> -#include "clang/Basic/Diagnostic.h"
> -#include "clang/Basic/FileManager.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "clang/Rewrite/Core/HTMLRewrite.h"
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "llvm/Support/MemoryBuffer.h"
> -#include "llvm/Support/raw_ostream.h"
> -using namespace clang;
> -
> -//===----------------------------------------------------------------------===//
> -// Functional HTML pretty-printing.
> -//===----------------------------------------------------------------------===//
> -
> -namespace {
> - class HTMLPrinter : public ASTConsumer {
> - Rewriter R;
> - raw_ostream *Out;
> - Preprocessor &PP;
> - bool SyntaxHighlight, HighlightMacros;
> -
> - public:
> - HTMLPrinter(raw_ostream *OS, Preprocessor &pp,
> - bool _SyntaxHighlight, bool _HighlightMacros)
> - : Out(OS), PP(pp), SyntaxHighlight(_SyntaxHighlight),
> - HighlightMacros(_HighlightMacros) {}
> -
> - void Initialize(ASTContext &context) override;
> - void HandleTranslationUnit(ASTContext &Ctx) override;
> - };
> -}
> -
> -ASTConsumer* clang::CreateHTMLPrinter(raw_ostream *OS,
> - Preprocessor &PP,
> - bool SyntaxHighlight,
> - bool HighlightMacros) {
> - return new HTMLPrinter(OS, PP, SyntaxHighlight, HighlightMacros);
> -}
> -
> -void HTMLPrinter::Initialize(ASTContext &context) {
> - R.setSourceMgr(context.getSourceManager(), context.getLangOpts());
> -}
> -
> -void HTMLPrinter::HandleTranslationUnit(ASTContext &Ctx) {
> - if (PP.getDiagnostics().hasErrorOccurred())
> - return;
> -
> - // Format the file.
> - FileID FID = R.getSourceMgr().getMainFileID();
> - const FileEntry* Entry = R.getSourceMgr().getFileEntryForID(FID);
> - const char* Name;
> - // In some cases, in particular the case where the input is from stdin,
> - // there is no entry. Fall back to the memory buffer for a name in those
> - // cases.
> - if (Entry)
> - Name = Entry->getName();
> - else
> - Name = R.getSourceMgr().getBuffer(FID)->getBufferIdentifier();
> -
> - html::AddLineNumbers(R, FID);
> - html::AddHeaderFooterInternalBuiltinCSS(R, FID, Name);
> -
> - // If we have a preprocessor, relex the file and syntax highlight.
> - // We might not have a preprocessor if we come from a deserialized AST file,
> - // for example.
> -
> - if (SyntaxHighlight) html::SyntaxHighlight(R, FID, PP);
> - if (HighlightMacros) html::HighlightMacros(R, FID, PP);
> - html::EscapeText(R, FID, false, true);
> -
> - // Emit the HTML.
> - const RewriteBuffer &RewriteBuf = R.getEditBuffer(FID);
> - char *Buffer = (char*)malloc(RewriteBuf.size());
> - std::copy(RewriteBuf.begin(), RewriteBuf.end(), Buffer);
> - Out->write(Buffer, RewriteBuf.size());
> - free(Buffer);
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/InclusionRewriter.cpp (removed)
> @@ -1,547 +0,0 @@
> -//===--- InclusionRewriter.cpp - Rewrite includes into their expansions ---===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This code rewrites include invocations into their expansions. This gives you
> -// a file with all included files merged into it.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/Rewriters.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Frontend/PreprocessorOutputOptions.h"
> -#include "clang/Lex/HeaderSearch.h"
> -#include "clang/Lex/Pragma.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "llvm/ADT/SmallString.h"
> -#include "llvm/Support/raw_ostream.h"
> -
> -using namespace clang;
> -using namespace llvm;
> -
> -namespace {
> -
> -class InclusionRewriter : public PPCallbacks {
> - /// Information about which #includes were actually performed,
> - /// created by preprocessor callbacks.
> - struct FileChange {
> - const Module *Mod;
> - SourceLocation From;
> - FileID Id;
> - SrcMgr::CharacteristicKind FileType;
> - FileChange(SourceLocation From, const Module *Mod) : Mod(Mod), From(From) {
> - }
> - };
> - Preprocessor &PP; ///< Used to find inclusion directives.
> - SourceManager &SM; ///< Used to read and manage source files.
> - raw_ostream &OS; ///< The destination stream for rewritten contents.
> - const llvm::MemoryBuffer *PredefinesBuffer; ///< The preprocessor predefines.
> - bool ShowLineMarkers; ///< Show #line markers.
> - bool UseLineDirective; ///< Use of line directives or line markers.
> - typedef std::map<unsigned, FileChange> FileChangeMap;
> - FileChangeMap FileChanges; ///< Tracks which files were included where.
> - /// Used transitively for building up the FileChanges mapping over the
> - /// various \c PPCallbacks callbacks.
> - FileChangeMap::iterator LastInsertedFileChange;
> -public:
> - InclusionRewriter(Preprocessor &PP, raw_ostream &OS, bool ShowLineMarkers);
> - bool Process(FileID FileId, SrcMgr::CharacteristicKind FileType);
> - void setPredefinesBuffer(const llvm::MemoryBuffer *Buf) {
> - PredefinesBuffer = Buf;
> - }
> -private:
> - void FileChanged(SourceLocation Loc, FileChangeReason Reason,
> - SrcMgr::CharacteristicKind FileType,
> - FileID PrevFID) override;
> - void FileSkipped(const FileEntry &ParentFile, const Token &FilenameTok,
> - SrcMgr::CharacteristicKind FileType) override;
> - void InclusionDirective(SourceLocation HashLoc, const Token &IncludeTok,
> - StringRef FileName, bool IsAngled,
> - CharSourceRange FilenameRange, const FileEntry *File,
> - StringRef SearchPath, StringRef RelativePath,
> - const Module *Imported) override;
> - void WriteLineInfo(const char *Filename, int Line,
> - SrcMgr::CharacteristicKind FileType,
> - StringRef EOL, StringRef Extra = StringRef());
> - void WriteImplicitModuleImport(const Module *Mod, StringRef EOL);
> - void OutputContentUpTo(const MemoryBuffer &FromFile,
> - unsigned &WriteFrom, unsigned WriteTo,
> - StringRef EOL, int &lines,
> - bool EnsureNewline);
> - void CommentOutDirective(Lexer &DirectivesLex, const Token &StartToken,
> - const MemoryBuffer &FromFile, StringRef EOL,
> - unsigned &NextToWrite, int &Lines);
> - bool HandleHasInclude(FileID FileId, Lexer &RawLex,
> - const DirectoryLookup *Lookup, Token &Tok,
> - bool &FileExists);
> - const FileChange *FindFileChangeLocation(SourceLocation Loc) const;
> - StringRef NextIdentifierName(Lexer &RawLex, Token &RawToken);
> -};
> -
> -} // end anonymous namespace
> -
> -/// Initializes an InclusionRewriter with a \p PP source and \p OS destination.
> -InclusionRewriter::InclusionRewriter(Preprocessor &PP, raw_ostream &OS,
> - bool ShowLineMarkers)
> - : PP(PP), SM(PP.getSourceManager()), OS(OS), PredefinesBuffer(nullptr),
> - ShowLineMarkers(ShowLineMarkers),
> - LastInsertedFileChange(FileChanges.end()) {
> - // If we're in microsoft mode, use normal #line instead of line markers.
> - UseLineDirective = PP.getLangOpts().MicrosoftExt;
> -}
> -
> -/// Write appropriate line information as either #line directives or GNU line
> -/// markers depending on what mode we're in, including the \p Filename and
> -/// \p Line we are located at, using the specified \p EOL line separator, and
> -/// any \p Extra context specifiers in GNU line directives.
> -void InclusionRewriter::WriteLineInfo(const char *Filename, int Line,
> - SrcMgr::CharacteristicKind FileType,
> - StringRef EOL, StringRef Extra) {
> - if (!ShowLineMarkers)
> - return;
> - if (UseLineDirective) {
> - OS << "#line" << ' ' << Line << ' ' << '"';
> - OS.write_escaped(Filename);
> - OS << '"';
> - } else {
> - // Use GNU linemarkers as described here:
> - // http://gcc.gnu.org/onlinedocs/cpp/Preprocessor-Output.html
> - OS << '#' << ' ' << Line << ' ' << '"';
> - OS.write_escaped(Filename);
> - OS << '"';
> - if (!Extra.empty())
> - OS << Extra;
> - if (FileType == SrcMgr::C_System)
> - // "`3' This indicates that the following text comes from a system header
> - // file, so certain warnings should be suppressed."
> - OS << " 3";
> - else if (FileType == SrcMgr::C_ExternCSystem)
> - // as above for `3', plus "`4' This indicates that the following text
> - // should be treated as being wrapped in an implicit extern "C" block."
> - OS << " 3 4";
> - }
> - OS << EOL;
> -}
> -
> -void InclusionRewriter::WriteImplicitModuleImport(const Module *Mod,
> - StringRef EOL) {
> - OS << "@import " << Mod->getFullModuleName() << ";"
> - << " /* clang -frewrite-includes: implicit import */" << EOL;
> -}
> -
> -/// FileChanged - Whenever the preprocessor enters or exits a #include file
> -/// it invokes this handler.
> -void InclusionRewriter::FileChanged(SourceLocation Loc,
> - FileChangeReason Reason,
> - SrcMgr::CharacteristicKind NewFileType,
> - FileID) {
> - if (Reason != EnterFile)
> - return;
> - if (LastInsertedFileChange == FileChanges.end())
> - // we didn't reach this file (eg: the main file) via an inclusion directive
> - return;
> - LastInsertedFileChange->second.Id = FullSourceLoc(Loc, SM).getFileID();
> - LastInsertedFileChange->second.FileType = NewFileType;
> - LastInsertedFileChange = FileChanges.end();
> -}
> -
> -/// Called whenever an inclusion is skipped due to canonical header protection
> -/// macros.
> -void InclusionRewriter::FileSkipped(const FileEntry &/*ParentFile*/,
> - const Token &/*FilenameTok*/,
> - SrcMgr::CharacteristicKind /*FileType*/) {
> - assert(LastInsertedFileChange != FileChanges.end() && "A file, that wasn't "
> - "found via an inclusion directive, was skipped");
> - FileChanges.erase(LastInsertedFileChange);
> - LastInsertedFileChange = FileChanges.end();
> -}
> -
> -/// This should be called whenever the preprocessor encounters include
> -/// directives. It does not say whether the file has been included, but it
> -/// provides more information about the directive (hash location instead
> -/// of location inside the included file). It is assumed that the matching
> -/// FileChanged() or FileSkipped() is called after this.
> -void InclusionRewriter::InclusionDirective(SourceLocation HashLoc,
> - const Token &/*IncludeTok*/,
> - StringRef /*FileName*/,
> - bool /*IsAngled*/,
> - CharSourceRange /*FilenameRange*/,
> - const FileEntry * /*File*/,
> - StringRef /*SearchPath*/,
> - StringRef /*RelativePath*/,
> - const Module *Imported) {
> - assert(LastInsertedFileChange == FileChanges.end() && "Another inclusion "
> - "directive was found before the previous one was processed");
> - std::pair<FileChangeMap::iterator, bool> p = FileChanges.insert(
> - std::make_pair(HashLoc.getRawEncoding(), FileChange(HashLoc, Imported)));
> - assert(p.second && "Unexpected revisitation of the same include directive");
> - if (!Imported)
> - LastInsertedFileChange = p.first;
> -}
> -
> -/// Simple lookup for a SourceLocation (specifically one denoting the hash in
> -/// an inclusion directive) in the map of inclusion information, FileChanges.
> -const InclusionRewriter::FileChange *
> -InclusionRewriter::FindFileChangeLocation(SourceLocation Loc) const {
> - FileChangeMap::const_iterator I = FileChanges.find(Loc.getRawEncoding());
> - if (I != FileChanges.end())
> - return &I->second;
> - return nullptr;
> -}
> -
> -/// Detect the likely line ending style of \p FromFile by examining the first
> -/// newline found within it.
> -static StringRef DetectEOL(const MemoryBuffer &FromFile) {
> - // detect what line endings the file uses, so that added content does not mix
> - // the style
> - const char *Pos = strchr(FromFile.getBufferStart(), '\n');
> - if (!Pos)
> - return "\n";
> - if (Pos + 1 < FromFile.getBufferEnd() && Pos[1] == '\r')
> - return "\n\r";
> - if (Pos - 1 >= FromFile.getBufferStart() && Pos[-1] == '\r')
> - return "\r\n";
> - return "\n";
> -}
> -
> -/// Writes out bytes from \p FromFile, starting at \p NextToWrite and ending at
> -/// \p WriteTo - 1.
> -void InclusionRewriter::OutputContentUpTo(const MemoryBuffer &FromFile,
> - unsigned &WriteFrom, unsigned WriteTo,
> - StringRef EOL, int &Line,
> - bool EnsureNewline) {
> - if (WriteTo <= WriteFrom)
> - return;
> - if (&FromFile == PredefinesBuffer) {
> - // Ignore the #defines of the predefines buffer.
> - WriteFrom = WriteTo;
> - return;
> - }
> - OS.write(FromFile.getBufferStart() + WriteFrom, WriteTo - WriteFrom);
> - // count lines manually, it's faster than getPresumedLoc()
> - Line += std::count(FromFile.getBufferStart() + WriteFrom,
> - FromFile.getBufferStart() + WriteTo, '\n');
> - if (EnsureNewline) {
> - char LastChar = FromFile.getBufferStart()[WriteTo - 1];
> - if (LastChar != '\n' && LastChar != '\r')
> - OS << EOL;
> - }
> - WriteFrom = WriteTo;
> -}
> -
> -/// Print characters from \p FromFile starting at \p NextToWrite up until the
> -/// inclusion directive at \p StartToken, then print out the inclusion
> -/// inclusion directive disabled by a #if directive, updating \p NextToWrite
> -/// and \p Line to track the number of source lines visited and the progress
> -/// through the \p FromFile buffer.
> -void InclusionRewriter::CommentOutDirective(Lexer &DirectiveLex,
> - const Token &StartToken,
> - const MemoryBuffer &FromFile,
> - StringRef EOL,
> - unsigned &NextToWrite, int &Line) {
> - OutputContentUpTo(FromFile, NextToWrite,
> - SM.getFileOffset(StartToken.getLocation()), EOL, Line, false);
> - Token DirectiveToken;
> - do {
> - DirectiveLex.LexFromRawLexer(DirectiveToken);
> - } while (!DirectiveToken.is(tok::eod) && DirectiveToken.isNot(tok::eof));
> - if (&FromFile == PredefinesBuffer) {
> - // OutputContentUpTo() would not output anything anyway.
> - return;
> - }
> - OS << "#if 0 /* expanded by -frewrite-includes */" << EOL;
> - OutputContentUpTo(FromFile, NextToWrite,
> - SM.getFileOffset(DirectiveToken.getLocation()) + DirectiveToken.getLength(),
> - EOL, Line, true);
> - OS << "#endif /* expanded by -frewrite-includes */" << EOL;
> -}
> -
> -/// Find the next identifier in the pragma directive specified by \p RawToken.
> -StringRef InclusionRewriter::NextIdentifierName(Lexer &RawLex,
> - Token &RawToken) {
> - RawLex.LexFromRawLexer(RawToken);
> - if (RawToken.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(RawToken);
> - if (RawToken.is(tok::identifier))
> - return RawToken.getIdentifierInfo()->getName();
> - return StringRef();
> -}
> -
> -// Expand __has_include and __has_include_next if possible. If there's no
> -// definitive answer return false.
> -bool InclusionRewriter::HandleHasInclude(
> - FileID FileId, Lexer &RawLex, const DirectoryLookup *Lookup, Token &Tok,
> - bool &FileExists) {
> - // Lex the opening paren.
> - RawLex.LexFromRawLexer(Tok);
> - if (Tok.isNot(tok::l_paren))
> - return false;
> -
> - RawLex.LexFromRawLexer(Tok);
> -
> - SmallString<128> FilenameBuffer;
> - StringRef Filename;
> - // Since the raw lexer doesn't give us angle_literals we have to parse them
> - // ourselves.
> - // FIXME: What to do if the file name is a macro?
> - if (Tok.is(tok::less)) {
> - RawLex.LexFromRawLexer(Tok);
> -
> - FilenameBuffer += '<';
> - do {
> - if (Tok.is(tok::eod)) // Sanity check.
> - return false;
> -
> - if (Tok.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(Tok);
> -
> - // Get the string piece.
> - SmallVector<char, 128> TmpBuffer;
> - bool Invalid = false;
> - StringRef TmpName = PP.getSpelling(Tok, TmpBuffer, &Invalid);
> - if (Invalid)
> - return false;
> -
> - FilenameBuffer += TmpName;
> -
> - RawLex.LexFromRawLexer(Tok);
> - } while (Tok.isNot(tok::greater));
> -
> - FilenameBuffer += '>';
> - Filename = FilenameBuffer;
> - } else {
> - if (Tok.isNot(tok::string_literal))
> - return false;
> -
> - bool Invalid = false;
> - Filename = PP.getSpelling(Tok, FilenameBuffer, &Invalid);
> - if (Invalid)
> - return false;
> - }
> -
> - // Lex the closing paren.
> - RawLex.LexFromRawLexer(Tok);
> - if (Tok.isNot(tok::r_paren))
> - return false;
> -
> - // Now ask HeaderInfo if it knows about the header.
> - // FIXME: Subframeworks aren't handled here. Do we care?
> - bool isAngled = PP.GetIncludeFilenameSpelling(Tok.getLocation(), Filename);
> - const DirectoryLookup *CurDir;
> - const FileEntry *File = PP.getHeaderSearchInfo().LookupFile(
> - Filename, SourceLocation(), isAngled, nullptr, CurDir,
> - PP.getSourceManager().getFileEntryForID(FileId), nullptr, nullptr,
> - nullptr, false);
> -
> - FileExists = File != nullptr;
> - return true;
> -}
> -
> -/// Use a raw lexer to analyze \p FileId, incrementally copying parts of it
> -/// and including content of included files recursively.
> -bool InclusionRewriter::Process(FileID FileId,
> - SrcMgr::CharacteristicKind FileType)
> -{
> - bool Invalid;
> - const MemoryBuffer &FromFile = *SM.getBuffer(FileId, &Invalid);
> - if (Invalid) // invalid inclusion
> - return false;
> - const char *FileName = FromFile.getBufferIdentifier();
> - Lexer RawLex(FileId, &FromFile, PP.getSourceManager(), PP.getLangOpts());
> - RawLex.SetCommentRetentionState(false);
> -
> - StringRef EOL = DetectEOL(FromFile);
> -
> - // Per the GNU docs: "1" indicates entering a new file.
> - if (FileId == SM.getMainFileID() || FileId == PP.getPredefinesFileID())
> - WriteLineInfo(FileName, 1, FileType, EOL, "");
> - else
> - WriteLineInfo(FileName, 1, FileType, EOL, " 1");
> -
> - if (SM.getFileIDSize(FileId) == 0)
> - return false;
> -
> - // The next byte to be copied from the source file, which may be non-zero if
> - // the lexer handled a BOM.
> - unsigned NextToWrite = SM.getFileOffset(RawLex.getSourceLocation());
> - assert(SM.getLineNumber(FileId, NextToWrite) == 1);
> - int Line = 1; // The current input file line number.
> -
> - Token RawToken;
> - RawLex.LexFromRawLexer(RawToken);
> -
> - // TODO: Consider adding a switch that strips possibly unimportant content,
> - // such as comments, to reduce the size of repro files.
> - while (RawToken.isNot(tok::eof)) {
> - if (RawToken.is(tok::hash) && RawToken.isAtStartOfLine()) {
> - RawLex.setParsingPreprocessorDirective(true);
> - Token HashToken = RawToken;
> - RawLex.LexFromRawLexer(RawToken);
> - if (RawToken.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(RawToken);
> - if (RawToken.getIdentifierInfo() != nullptr) {
> - switch (RawToken.getIdentifierInfo()->getPPKeywordID()) {
> - case tok::pp_include:
> - case tok::pp_include_next:
> - case tok::pp_import: {
> - CommentOutDirective(RawLex, HashToken, FromFile, EOL, NextToWrite,
> - Line);
> - if (FileId != PP.getPredefinesFileID())
> - WriteLineInfo(FileName, Line - 1, FileType, EOL, "");
> - StringRef LineInfoExtra;
> - if (const FileChange *Change = FindFileChangeLocation(
> - HashToken.getLocation())) {
> - if (Change->Mod) {
> - WriteImplicitModuleImport(Change->Mod, EOL);
> -
> - // else now include and recursively process the file
> - } else if (Process(Change->Id, Change->FileType)) {
> - // and set lineinfo back to this file, if the nested one was
> - // actually included
> - // `2' indicates returning to a file (after having included
> - // another file.
> - LineInfoExtra = " 2";
> - }
> - }
> - // fix up lineinfo (since commented out directive changed line
> - // numbers) for inclusions that were skipped due to header guards
> - WriteLineInfo(FileName, Line, FileType, EOL, LineInfoExtra);
> - break;
> - }
> - case tok::pp_pragma: {
> - StringRef Identifier = NextIdentifierName(RawLex, RawToken);
> - if (Identifier == "clang" || Identifier == "GCC") {
> - if (NextIdentifierName(RawLex, RawToken) == "system_header") {
> - // keep the directive in, commented out
> - CommentOutDirective(RawLex, HashToken, FromFile, EOL,
> - NextToWrite, Line);
> - // update our own type
> - FileType = SM.getFileCharacteristic(RawToken.getLocation());
> - WriteLineInfo(FileName, Line, FileType, EOL);
> - }
> - } else if (Identifier == "once") {
> - // keep the directive in, commented out
> - CommentOutDirective(RawLex, HashToken, FromFile, EOL,
> - NextToWrite, Line);
> - WriteLineInfo(FileName, Line, FileType, EOL);
> - }
> - break;
> - }
> - case tok::pp_if:
> - case tok::pp_elif: {
> - bool elif = (RawToken.getIdentifierInfo()->getPPKeywordID() ==
> - tok::pp_elif);
> - // Rewrite special builtin macros to avoid pulling in host details.
> - do {
> - // Walk over the directive.
> - RawLex.LexFromRawLexer(RawToken);
> - if (RawToken.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(RawToken);
> -
> - if (RawToken.is(tok::identifier)) {
> - bool HasFile;
> - SourceLocation Loc = RawToken.getLocation();
> -
> - // Rewrite __has_include(x)
> - if (RawToken.getIdentifierInfo()->isStr("__has_include")) {
> - if (!HandleHasInclude(FileId, RawLex, nullptr, RawToken,
> - HasFile))
> - continue;
> - // Rewrite __has_include_next(x)
> - } else if (RawToken.getIdentifierInfo()->isStr(
> - "__has_include_next")) {
> - const DirectoryLookup *Lookup = PP.GetCurDirLookup();
> - if (Lookup)
> - ++Lookup;
> -
> - if (!HandleHasInclude(FileId, RawLex, Lookup, RawToken,
> - HasFile))
> - continue;
> - } else {
> - continue;
> - }
> - // Replace the macro with (0) or (1), followed by the commented
> - // out macro for reference.
> - OutputContentUpTo(FromFile, NextToWrite, SM.getFileOffset(Loc),
> - EOL, Line, false);
> - OS << '(' << (int) HasFile << ")/*";
> - OutputContentUpTo(FromFile, NextToWrite,
> - SM.getFileOffset(RawToken.getLocation()) +
> - RawToken.getLength(),
> - EOL, Line, false);
> - OS << "*/";
> - }
> - } while (RawToken.isNot(tok::eod));
> - if (elif) {
> - OutputContentUpTo(FromFile, NextToWrite,
> - SM.getFileOffset(RawToken.getLocation()) +
> - RawToken.getLength(),
> - EOL, Line, /*EnsureNewLine*/ true);
> - WriteLineInfo(FileName, Line, FileType, EOL);
> - }
> - break;
> - }
> - case tok::pp_endif:
> - case tok::pp_else: {
> - // We surround every #include by #if 0 to comment it out, but that
> - // changes line numbers. These are fixed up right after that, but
> - // the whole #include could be inside a preprocessor conditional
> - // that is not processed. So it is necessary to fix the line
> - // numbers one the next line after each #else/#endif as well.
> - RawLex.SetKeepWhitespaceMode(true);
> - do {
> - RawLex.LexFromRawLexer(RawToken);
> - } while (RawToken.isNot(tok::eod) && RawToken.isNot(tok::eof));
> - OutputContentUpTo(
> - FromFile, NextToWrite,
> - SM.getFileOffset(RawToken.getLocation()) + RawToken.getLength(),
> - EOL, Line, /*EnsureNewLine*/ true);
> - WriteLineInfo(FileName, Line, FileType, EOL);
> - RawLex.SetKeepWhitespaceMode(false);
> - }
> - default:
> - break;
> - }
> - }
> - RawLex.setParsingPreprocessorDirective(false);
> - }
> - RawLex.LexFromRawLexer(RawToken);
> - }
> - OutputContentUpTo(FromFile, NextToWrite,
> - SM.getFileOffset(SM.getLocForEndOfFile(FileId)), EOL, Line,
> - /*EnsureNewline*/true);
> - return true;
> -}
> -
> -/// InclusionRewriterInInput - Implement -frewrite-includes mode.
> -void clang::RewriteIncludesInInput(Preprocessor &PP, raw_ostream *OS,
> - const PreprocessorOutputOptions &Opts) {
> - SourceManager &SM = PP.getSourceManager();
> - InclusionRewriter *Rewrite = new InclusionRewriter(PP, *OS,
> - Opts.ShowLineMarkers);
> - PP.addPPCallbacks(Rewrite);
> - PP.IgnorePragmas();
> -
> - // First let the preprocessor process the entire file and call callbacks.
> - // Callbacks will record which #include's were actually performed.
> - PP.EnterMainSourceFile();
> - Token Tok;
> - // Only preprocessor directives matter here, so disable macro expansion
> - // everywhere else as an optimization.
> - // TODO: It would be even faster if the preprocessor could be switched
> - // to a mode where it would parse only preprocessor directives and comments,
> - // nothing else matters for parsing or processing.
> - PP.SetMacroExpansionOnlyInDirectives();
> - do {
> - PP.Lex(Tok);
> - } while (Tok.isNot(tok::eof));
> - Rewrite->setPredefinesBuffer(SM.getBuffer(PP.getPredefinesFileID()));
> - Rewrite->Process(PP.getPredefinesFileID(), SrcMgr::C_User);
> - Rewrite->Process(SM.getMainFileID(), SrcMgr::C_User);
> - OS->flush();
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/Makefile?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/Makefile (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/Makefile (removed)
> @@ -1,18 +0,0 @@
> -##===- clang/lib/Rewrite/Makefile --------------------------*- Makefile -*-===##
> -#
> -# The LLVM Compiler Infrastructure
> -#
> -# This file is distributed under the University of Illinois Open Source
> -# License. See LICENSE.TXT for details.
> -#
> -##===----------------------------------------------------------------------===##
> -#
> -# This implements code transformation / rewriting facilities.
> -#
> -##===----------------------------------------------------------------------===##
> -
> -CLANG_LEVEL := ../../..
> -LIBRARYNAME := clangRewriteFrontend
> -
> -include $(CLANG_LEVEL)/Makefile
> -
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/RewriteMacros.cpp (removed)
> @@ -1,217 +0,0 @@
> -//===--- RewriteMacros.cpp - Rewrite macros into their expansions ---------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This code rewrites macro invocations into their expansions. This gives you
> -// a macro expanded file that retains comments and #includes.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/Rewriters.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "llvm/Support/Path.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <cstdio>
> -#include <memory>
> -
> -using namespace clang;
> -
> -/// isSameToken - Return true if the two specified tokens start have the same
> -/// content.
> -static bool isSameToken(Token &RawTok, Token &PPTok) {
> - // If two tokens have the same kind and the same identifier info, they are
> - // obviously the same.
> - if (PPTok.getKind() == RawTok.getKind() &&
> - PPTok.getIdentifierInfo() == RawTok.getIdentifierInfo())
> - return true;
> -
> - // Otherwise, if they are different but have the same identifier info, they
> - // are also considered to be the same. This allows keywords and raw lexed
> - // identifiers with the same name to be treated the same.
> - if (PPTok.getIdentifierInfo() &&
> - PPTok.getIdentifierInfo() == RawTok.getIdentifierInfo())
> - return true;
> -
> - return false;
> -}
> -
> -
> -/// GetNextRawTok - Return the next raw token in the stream, skipping over
> -/// comments if ReturnComment is false.
> -static const Token &GetNextRawTok(const std::vector<Token> &RawTokens,
> - unsigned &CurTok, bool ReturnComment) {
> - assert(CurTok < RawTokens.size() && "Overran eof!");
> -
> - // If the client doesn't want comments and we have one, skip it.
> - if (!ReturnComment && RawTokens[CurTok].is(tok::comment))
> - ++CurTok;
> -
> - return RawTokens[CurTok++];
> -}
> -
> -
> -/// LexRawTokensFromMainFile - Lets all the raw tokens from the main file into
> -/// the specified vector.
> -static void LexRawTokensFromMainFile(Preprocessor &PP,
> - std::vector<Token> &RawTokens) {
> - SourceManager &SM = PP.getSourceManager();
> -
> - // Create a lexer to lex all the tokens of the main file in raw mode. Even
> - // though it is in raw mode, it will not return comments.
> - const llvm::MemoryBuffer *FromFile = SM.getBuffer(SM.getMainFileID());
> - Lexer RawLex(SM.getMainFileID(), FromFile, SM, PP.getLangOpts());
> -
> - // Switch on comment lexing because we really do want them.
> - RawLex.SetCommentRetentionState(true);
> -
> - Token RawTok;
> - do {
> - RawLex.LexFromRawLexer(RawTok);
> -
> - // If we have an identifier with no identifier info for our raw token, look
> - // up the indentifier info. This is important for equality comparison of
> - // identifier tokens.
> - if (RawTok.is(tok::raw_identifier))
> - PP.LookUpIdentifierInfo(RawTok);
> -
> - RawTokens.push_back(RawTok);
> - } while (RawTok.isNot(tok::eof));
> -}
> -
> -
> -/// RewriteMacrosInInput - Implement -rewrite-macros mode.
> -void clang::RewriteMacrosInInput(Preprocessor &PP, raw_ostream *OS) {
> - SourceManager &SM = PP.getSourceManager();
> -
> - Rewriter Rewrite;
> - Rewrite.setSourceMgr(SM, PP.getLangOpts());
> - RewriteBuffer &RB = Rewrite.getEditBuffer(SM.getMainFileID());
> -
> - std::vector<Token> RawTokens;
> - LexRawTokensFromMainFile(PP, RawTokens);
> - unsigned CurRawTok = 0;
> - Token RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
> -
> -
> - // Get the first preprocessing token.
> - PP.EnterMainSourceFile();
> - Token PPTok;
> - PP.Lex(PPTok);
> -
> - // Preprocess the input file in parallel with raw lexing the main file. Ignore
> - // all tokens that are preprocessed from a file other than the main file (e.g.
> - // a header). If we see tokens that are in the preprocessed file but not the
> - // lexed file, we have a macro expansion. If we see tokens in the lexed file
> - // that aren't in the preprocessed view, we have macros that expand to no
> - // tokens, or macro arguments etc.
> - while (RawTok.isNot(tok::eof) || PPTok.isNot(tok::eof)) {
> - SourceLocation PPLoc = SM.getExpansionLoc(PPTok.getLocation());
> -
> - // If PPTok is from a different source file, ignore it.
> - if (!SM.isWrittenInMainFile(PPLoc)) {
> - PP.Lex(PPTok);
> - continue;
> - }
> -
> - // If the raw file hits a preprocessor directive, they will be extra tokens
> - // in the raw file that don't exist in the preprocsesed file. However, we
> - // choose to preserve them in the output file and otherwise handle them
> - // specially.
> - if (RawTok.is(tok::hash) && RawTok.isAtStartOfLine()) {
> - // If this is a #warning directive or #pragma mark (GNU extensions),
> - // comment the line out.
> - if (RawTokens[CurRawTok].is(tok::identifier)) {
> - const IdentifierInfo *II = RawTokens[CurRawTok].getIdentifierInfo();
> - if (II->getName() == "warning") {
> - // Comment out #warning.
> - RB.InsertTextAfter(SM.getFileOffset(RawTok.getLocation()), "//");
> - } else if (II->getName() == "pragma" &&
> - RawTokens[CurRawTok+1].is(tok::identifier) &&
> - (RawTokens[CurRawTok+1].getIdentifierInfo()->getName() ==
> - "mark")) {
> - // Comment out #pragma mark.
> - RB.InsertTextAfter(SM.getFileOffset(RawTok.getLocation()), "//");
> - }
> - }
> -
> - // Otherwise, if this is a #include or some other directive, just leave it
> - // in the file by skipping over the line.
> - RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
> - while (!RawTok.isAtStartOfLine() && RawTok.isNot(tok::eof))
> - RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
> - continue;
> - }
> -
> - // Okay, both tokens are from the same file. Get their offsets from the
> - // start of the file.
> - unsigned PPOffs = SM.getFileOffset(PPLoc);
> - unsigned RawOffs = SM.getFileOffset(RawTok.getLocation());
> -
> - // If the offsets are the same and the token kind is the same, ignore them.
> - if (PPOffs == RawOffs && isSameToken(RawTok, PPTok)) {
> - RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
> - PP.Lex(PPTok);
> - continue;
> - }
> -
> - // If the PP token is farther along than the raw token, something was
> - // deleted. Comment out the raw token.
> - if (RawOffs <= PPOffs) {
> - // Comment out a whole run of tokens instead of bracketing each one with
> - // comments. Add a leading space if RawTok didn't have one.
> - bool HasSpace = RawTok.hasLeadingSpace();
> - RB.InsertTextAfter(RawOffs, &" /*"[HasSpace]);
> - unsigned EndPos;
> -
> - do {
> - EndPos = RawOffs+RawTok.getLength();
> -
> - RawTok = GetNextRawTok(RawTokens, CurRawTok, true);
> - RawOffs = SM.getFileOffset(RawTok.getLocation());
> -
> - if (RawTok.is(tok::comment)) {
> - // Skip past the comment.
> - RawTok = GetNextRawTok(RawTokens, CurRawTok, false);
> - break;
> - }
> -
> - } while (RawOffs <= PPOffs && !RawTok.isAtStartOfLine() &&
> - (PPOffs != RawOffs || !isSameToken(RawTok, PPTok)));
> -
> - RB.InsertTextBefore(EndPos, "*/");
> - continue;
> - }
> -
> - // Otherwise, there was a replacement an expansion. Insert the new token
> - // in the output buffer. Insert the whole run of new tokens at once to get
> - // them in the right order.
> - unsigned InsertPos = PPOffs;
> - std::string Expansion;
> - while (PPOffs < RawOffs) {
> - Expansion += ' ' + PP.getSpelling(PPTok);
> - PP.Lex(PPTok);
> - PPLoc = SM.getExpansionLoc(PPTok.getLocation());
> - PPOffs = SM.getFileOffset(PPLoc);
> - }
> - Expansion += ' ';
> - RB.InsertTextBefore(InsertPos, Expansion);
> - }
> -
> - // Get the buffer corresponding to MainFileID. If we haven't changed it, then
> - // we are done.
> - if (const RewriteBuffer *RewriteBuf =
> - Rewrite.getRewriteBufferFor(SM.getMainFileID())) {
> - //printf("Changed:\n");
> - *OS << std::string(RewriteBuf->begin(), RewriteBuf->end());
> - } else {
> - fprintf(stderr, "No changes\n");
> - }
> - OS->flush();
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/RewriteModernObjC.cpp (removed)
> @@ -1,7756 +0,0 @@
> -//===--- RewriteObjC.cpp - Playground for the code rewriter ---------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// Hacks and fun related to the code rewriter.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/ASTConsumers.h"
> -#include "clang/AST/AST.h"
> -#include "clang/AST/ASTConsumer.h"
> -#include "clang/AST/Attr.h"
> -#include "clang/AST/ParentMap.h"
> -#include "clang/Basic/CharInfo.h"
> -#include "clang/Basic/Diagnostic.h"
> -#include "clang/Basic/IdentifierTable.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Basic/TargetInfo.h"
> -#include "clang/Lex/Lexer.h"
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "llvm/ADT/DenseSet.h"
> -#include "llvm/ADT/SmallPtrSet.h"
> -#include "llvm/ADT/StringExtras.h"
> -#include "llvm/Support/MemoryBuffer.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <memory>
> -
> -using namespace clang;
> -using llvm::utostr;
> -
> -namespace {
> - class RewriteModernObjC : public ASTConsumer {
> - protected:
> -
> - enum {
> - BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)),
> - block, ... */
> - BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */
> - BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the
> - __block variable */
> - BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy
> - helpers */
> - BLOCK_BYREF_CALLER = 128, /* called from __block (byref) copy/dispose
> - support routines */
> - BLOCK_BYREF_CURRENT_MAX = 256
> - };
> -
> - enum {
> - BLOCK_NEEDS_FREE = (1 << 24),
> - BLOCK_HAS_COPY_DISPOSE = (1 << 25),
> - BLOCK_HAS_CXX_OBJ = (1 << 26),
> - BLOCK_IS_GC = (1 << 27),
> - BLOCK_IS_GLOBAL = (1 << 28),
> - BLOCK_HAS_DESCRIPTOR = (1 << 29)
> - };
> -
> - Rewriter Rewrite;
> - DiagnosticsEngine &Diags;
> - const LangOptions &LangOpts;
> - ASTContext *Context;
> - SourceManager *SM;
> - TranslationUnitDecl *TUDecl;
> - FileID MainFileID;
> - const char *MainFileStart, *MainFileEnd;
> - Stmt *CurrentBody;
> - ParentMap *PropParentMap; // created lazily.
> - std::string InFileName;
> - raw_ostream* OutFile;
> - std::string Preamble;
> -
> - TypeDecl *ProtocolTypeDecl;
> - VarDecl *GlobalVarDecl;
> - Expr *GlobalConstructionExp;
> - unsigned RewriteFailedDiag;
> - unsigned GlobalBlockRewriteFailedDiag;
> - // ObjC string constant support.
> - unsigned NumObjCStringLiterals;
> - VarDecl *ConstantStringClassReference;
> - RecordDecl *NSStringRecord;
> -
> - // ObjC foreach break/continue generation support.
> - int BcLabelCount;
> -
> - unsigned TryFinallyContainsReturnDiag;
> - // Needed for super.
> - ObjCMethodDecl *CurMethodDef;
> - RecordDecl *SuperStructDecl;
> - RecordDecl *ConstantStringDecl;
> -
> - FunctionDecl *MsgSendFunctionDecl;
> - FunctionDecl *MsgSendSuperFunctionDecl;
> - FunctionDecl *MsgSendStretFunctionDecl;
> - FunctionDecl *MsgSendSuperStretFunctionDecl;
> - FunctionDecl *MsgSendFpretFunctionDecl;
> - FunctionDecl *GetClassFunctionDecl;
> - FunctionDecl *GetMetaClassFunctionDecl;
> - FunctionDecl *GetSuperClassFunctionDecl;
> - FunctionDecl *SelGetUidFunctionDecl;
> - FunctionDecl *CFStringFunctionDecl;
> - FunctionDecl *SuperConstructorFunctionDecl;
> - FunctionDecl *CurFunctionDef;
> -
> - /* Misc. containers needed for meta-data rewrite. */
> - SmallVector<ObjCImplementationDecl *, 8> ClassImplementation;
> - SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation;
> - llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs;
> - llvm::SmallPtrSet<ObjCProtocolDecl*, 8> ObjCSynthesizedProtocols;
> - llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCWrittenInterfaces;
> - llvm::SmallPtrSet<TagDecl*, 32> GlobalDefinedTags;
> - SmallVector<ObjCInterfaceDecl*, 32> ObjCInterfacesSeen;
> - /// DefinedNonLazyClasses - List of defined "non-lazy" classes.
> - SmallVector<ObjCInterfaceDecl*, 8> DefinedNonLazyClasses;
> -
> - /// DefinedNonLazyCategories - List of defined "non-lazy" categories.
> - SmallVector<ObjCCategoryDecl *, 8> DefinedNonLazyCategories;
> -
> - SmallVector<Stmt *, 32> Stmts;
> - SmallVector<int, 8> ObjCBcLabelNo;
> - // Remember all the @protocol(<expr>) expressions.
> - llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls;
> -
> - llvm::DenseSet<uint64_t> CopyDestroyCache;
> -
> - // Block expressions.
> - SmallVector<BlockExpr *, 32> Blocks;
> - SmallVector<int, 32> InnerDeclRefsCount;
> - SmallVector<DeclRefExpr *, 32> InnerDeclRefs;
> -
> - SmallVector<DeclRefExpr *, 32> BlockDeclRefs;
> -
> -
> - // Block related declarations.
> - SmallVector<ValueDecl *, 8> BlockByCopyDecls;
> - llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet;
> - SmallVector<ValueDecl *, 8> BlockByRefDecls;
> - llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet;
> - llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo;
> - llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls;
> - llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls;
> -
> - llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs;
> - llvm::DenseMap<ObjCInterfaceDecl *,
> - llvm::SmallPtrSet<ObjCIvarDecl *, 8> > ReferencedIvars;
> -
> - // ivar bitfield grouping containers
> - llvm::DenseSet<const ObjCInterfaceDecl *> ObjCInterefaceHasBitfieldGroups;
> - llvm::DenseMap<const ObjCIvarDecl* , unsigned> IvarGroupNumber;
> - // This container maps an <class, group number for ivar> tuple to the type
> - // of the struct where the bitfield belongs.
> - llvm::DenseMap<std::pair<const ObjCInterfaceDecl*, unsigned>, QualType> GroupRecordType;
> - SmallVector<FunctionDecl*, 32> FunctionDefinitionsSeen;
> -
> - // This maps an original source AST to it's rewritten form. This allows
> - // us to avoid rewriting the same node twice (which is very uncommon).
> - // This is needed to support some of the exotic property rewriting.
> - llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes;
> -
> - // Needed for header files being rewritten
> - bool IsHeader;
> - bool SilenceRewriteMacroWarning;
> - bool GenerateLineInfo;
> - bool objc_impl_method;
> -
> - bool DisableReplaceStmt;
> - class DisableReplaceStmtScope {
> - RewriteModernObjC &R;
> - bool SavedValue;
> -
> - public:
> - DisableReplaceStmtScope(RewriteModernObjC &R)
> - : R(R), SavedValue(R.DisableReplaceStmt) {
> - R.DisableReplaceStmt = true;
> - }
> - ~DisableReplaceStmtScope() {
> - R.DisableReplaceStmt = SavedValue;
> - }
> - };
> - void InitializeCommon(ASTContext &context);
> -
> - public:
> - llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames;
> - // Top Level Driver code.
> - bool HandleTopLevelDecl(DeclGroupRef D) override {
> - for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
> - if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) {
> - if (!Class->isThisDeclarationADefinition()) {
> - RewriteForwardClassDecl(D);
> - break;
> - } else {
> - // Keep track of all interface declarations seen.
> - ObjCInterfacesSeen.push_back(Class);
> - break;
> - }
> - }
> -
> - if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) {
> - if (!Proto->isThisDeclarationADefinition()) {
> - RewriteForwardProtocolDecl(D);
> - break;
> - }
> - }
> -
> - if (FunctionDecl *FDecl = dyn_cast<FunctionDecl>(*I)) {
> - // Under modern abi, we cannot translate body of the function
> - // yet until all class extensions and its implementation is seen.
> - // This is because they may introduce new bitfields which must go
> - // into their grouping struct.
> - if (FDecl->isThisDeclarationADefinition() &&
> - // Not c functions defined inside an objc container.
> - !FDecl->isTopLevelDeclInObjCContainer()) {
> - FunctionDefinitionsSeen.push_back(FDecl);
> - break;
> - }
> - }
> - HandleTopLevelSingleDecl(*I);
> - }
> - return true;
> - }
> -
> - void HandleTopLevelDeclInObjCContainer(DeclGroupRef D) override {
> - for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
> - if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(*I)) {
> - if (isTopLevelBlockPointerType(TD->getUnderlyingType()))
> - RewriteBlockPointerDecl(TD);
> - else if (TD->getUnderlyingType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(TD->getUnderlyingType(), TD);
> - else
> - RewriteObjCQualifiedInterfaceTypes(TD);
> - }
> - }
> - return;
> - }
> -
> - void HandleTopLevelSingleDecl(Decl *D);
> - void HandleDeclInMainFile(Decl *D);
> - RewriteModernObjC(std::string inFile, raw_ostream *OS,
> - DiagnosticsEngine &D, const LangOptions &LOpts,
> - bool silenceMacroWarn, bool LineInfo);
> -
> - ~RewriteModernObjC() {}
> -
> - void HandleTranslationUnit(ASTContext &C) override;
> -
> - void ReplaceStmt(Stmt *Old, Stmt *New) {
> - Stmt *ReplacingStmt = ReplacedNodes[Old];
> -
> - if (ReplacingStmt)
> - return; // We can't rewrite the same node twice.
> -
> - if (DisableReplaceStmt)
> - return;
> -
> - // If replacement succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceStmt(Old, New)) {
> - ReplacedNodes[Old] = New;
> - return;
> - }
> - if (SilenceRewriteMacroWarning)
> - return;
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - }
> -
> - void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) {
> - assert(Old != nullptr && New != nullptr && "Expected non-null Stmt's");
> - if (DisableReplaceStmt)
> - return;
> -
> - // Measure the old text.
> - int Size = Rewrite.getRangeSize(SrcRange);
> - if (Size == -1) {
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - return;
> - }
> - // Get the new text.
> - std::string SStr;
> - llvm::raw_string_ostream S(SStr);
> - New->printPretty(S, nullptr, PrintingPolicy(LangOpts));
> - const std::string &Str = S.str();
> -
> - // If replacement succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) {
> - ReplacedNodes[Old] = New;
> - return;
> - }
> - if (SilenceRewriteMacroWarning)
> - return;
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - }
> -
> - void InsertText(SourceLocation Loc, StringRef Str,
> - bool InsertAfter = true) {
> - // If insertion succeeded or warning disabled return with no warning.
> - if (!Rewrite.InsertText(Loc, Str, InsertAfter) ||
> - SilenceRewriteMacroWarning)
> - return;
> -
> - Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag);
> - }
> -
> - void ReplaceText(SourceLocation Start, unsigned OrigLength,
> - StringRef Str) {
> - // If removal succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceText(Start, OrigLength, Str) ||
> - SilenceRewriteMacroWarning)
> - return;
> -
> - Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag);
> - }
> -
> - // Syntactic Rewriting.
> - void RewriteRecordBody(RecordDecl *RD);
> - void RewriteInclude();
> - void RewriteLineDirective(const Decl *D);
> - void ConvertSourceLocationToLineDirective(SourceLocation Loc,
> - std::string &LineString);
> - void RewriteForwardClassDecl(DeclGroupRef D);
> - void RewriteForwardClassDecl(const SmallVectorImpl<Decl *> &DG);
> - void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl,
> - const std::string &typedefString);
> - void RewriteImplementations();
> - void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID,
> - ObjCImplementationDecl *IMD,
> - ObjCCategoryImplDecl *CID);
> - void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl);
> - void RewriteImplementationDecl(Decl *Dcl);
> - void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl,
> - ObjCMethodDecl *MDecl, std::string &ResultStr);
> - void RewriteTypeIntoString(QualType T, std::string &ResultStr,
> - const FunctionType *&FPRetType);
> - void RewriteByRefString(std::string &ResultStr, const std::string &Name,
> - ValueDecl *VD, bool def=false);
> - void RewriteCategoryDecl(ObjCCategoryDecl *Dcl);
> - void RewriteProtocolDecl(ObjCProtocolDecl *Dcl);
> - void RewriteForwardProtocolDecl(DeclGroupRef D);
> - void RewriteForwardProtocolDecl(const SmallVectorImpl<Decl *> &DG);
> - void RewriteMethodDeclaration(ObjCMethodDecl *Method);
> - void RewriteProperty(ObjCPropertyDecl *prop);
> - void RewriteFunctionDecl(FunctionDecl *FD);
> - void RewriteBlockPointerType(std::string& Str, QualType Type);
> - void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD);
> - void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD);
> - void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl);
> - void RewriteTypeOfDecl(VarDecl *VD);
> - void RewriteObjCQualifiedInterfaceTypes(Expr *E);
> -
> - std::string getIvarAccessString(ObjCIvarDecl *D);
> -
> - // Expression Rewriting.
> - Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S);
> - Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp);
> - Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo);
> - Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo);
> - Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp);
> - Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp);
> - Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp);
> - Stmt *RewriteObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Exp);
> - Stmt *RewriteObjCBoxedExpr(ObjCBoxedExpr *Exp);
> - Stmt *RewriteObjCArrayLiteralExpr(ObjCArrayLiteral *Exp);
> - Stmt *RewriteObjCDictionaryLiteralExpr(ObjCDictionaryLiteral *Exp);
> - Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp);
> - Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S);
> - Stmt *RewriteObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S);
> - Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S);
> - Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S);
> - Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S,
> - SourceLocation OrigEnd);
> - Stmt *RewriteBreakStmt(BreakStmt *S);
> - Stmt *RewriteContinueStmt(ContinueStmt *S);
> - void RewriteCastExpr(CStyleCastExpr *CE);
> - void RewriteImplicitCastObjCExpr(CastExpr *IE);
> - void RewriteLinkageSpec(LinkageSpecDecl *LSD);
> -
> - // Computes ivar bitfield group no.
> - unsigned ObjCIvarBitfieldGroupNo(ObjCIvarDecl *IV);
> - // Names field decl. for ivar bitfield group.
> - void ObjCIvarBitfieldGroupDecl(ObjCIvarDecl *IV, std::string &Result);
> - // Names struct type for ivar bitfield group.
> - void ObjCIvarBitfieldGroupType(ObjCIvarDecl *IV, std::string &Result);
> - // Names symbol for ivar bitfield group field offset.
> - void ObjCIvarBitfieldGroupOffset(ObjCIvarDecl *IV, std::string &Result);
> - // Given an ivar bitfield, it builds (or finds) its group record type.
> - QualType GetGroupRecordTypeForObjCIvarBitfield(ObjCIvarDecl *IV);
> - QualType SynthesizeBitfieldGroupStructType(
> - ObjCIvarDecl *IV,
> - SmallVectorImpl<ObjCIvarDecl *> &IVars);
> -
> - // Block rewriting.
> - void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D);
> -
> - // Block specific rewrite rules.
> - void RewriteBlockPointerDecl(NamedDecl *VD);
> - void RewriteByRefVar(VarDecl *VD, bool firstDecl, bool lastDecl);
> - Stmt *RewriteBlockDeclRefExpr(DeclRefExpr *VD);
> - Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE);
> - void RewriteBlockPointerFunctionArgs(FunctionDecl *FD);
> -
> - void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl,
> - std::string &Result);
> -
> - void RewriteObjCFieldDecl(FieldDecl *fieldDecl, std::string &Result);
> - bool IsTagDefinedInsideClass(ObjCContainerDecl *IDecl, TagDecl *Tag,
> - bool &IsNamedDefinition);
> - void RewriteLocallyDefinedNamedAggregates(FieldDecl *fieldDecl,
> - std::string &Result);
> -
> - bool RewriteObjCFieldDeclType(QualType &Type, std::string &Result);
> -
> - void RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl,
> - std::string &Result);
> -
> - void Initialize(ASTContext &context) override;
> -
> - // Misc. AST transformation routines. Sometimes they end up calling
> - // rewriting routines on the new ASTs.
> - CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD,
> - Expr **args, unsigned nargs,
> - SourceLocation StartLoc=SourceLocation(),
> - SourceLocation EndLoc=SourceLocation());
> -
> - Expr *SynthMsgSendStretCallExpr(FunctionDecl *MsgSendStretFlavor,
> - QualType returnType,
> - SmallVectorImpl<QualType> &ArgTypes,
> - SmallVectorImpl<Expr*> &MsgExprs,
> - ObjCMethodDecl *Method);
> -
> - Stmt *SynthMessageExpr(ObjCMessageExpr *Exp,
> - SourceLocation StartLoc=SourceLocation(),
> - SourceLocation EndLoc=SourceLocation());
> -
> - void SynthCountByEnumWithState(std::string &buf);
> - void SynthMsgSendFunctionDecl();
> - void SynthMsgSendSuperFunctionDecl();
> - void SynthMsgSendStretFunctionDecl();
> - void SynthMsgSendFpretFunctionDecl();
> - void SynthMsgSendSuperStretFunctionDecl();
> - void SynthGetClassFunctionDecl();
> - void SynthGetMetaClassFunctionDecl();
> - void SynthGetSuperClassFunctionDecl();
> - void SynthSelGetUidFunctionDecl();
> - void SynthSuperConstructorFunctionDecl();
> -
> - // Rewriting metadata
> - template<typename MethodIterator>
> - void RewriteObjCMethodsMetaData(MethodIterator MethodBegin,
> - MethodIterator MethodEnd,
> - bool IsInstanceMethod,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result);
> - void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol,
> - std::string &Result);
> - void RewriteObjCProtocolListMetaData(
> - const ObjCList<ObjCProtocolDecl> &Prots,
> - StringRef prefix, StringRef ClassName, std::string &Result);
> - void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
> - std::string &Result);
> - void RewriteClassSetupInitHook(std::string &Result);
> -
> - void RewriteMetaDataIntoBuffer(std::string &Result);
> - void WriteImageInfo(std::string &Result);
> - void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl,
> - std::string &Result);
> - void RewriteCategorySetupInitHook(std::string &Result);
> -
> - // Rewriting ivar
> - void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar,
> - std::string &Result);
> - Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV);
> -
> -
> - std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag);
> - std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
> - StringRef funcName, std::string Tag);
> - std::string SynthesizeBlockFunc(BlockExpr *CE, int i,
> - StringRef funcName, std::string Tag);
> - std::string SynthesizeBlockImpl(BlockExpr *CE,
> - std::string Tag, std::string Desc);
> - std::string SynthesizeBlockDescriptor(std::string DescTag,
> - std::string ImplTag,
> - int i, StringRef funcName,
> - unsigned hasCopy);
> - Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp);
> - void SynthesizeBlockLiterals(SourceLocation FunLocStart,
> - StringRef FunName);
> - FunctionDecl *SynthBlockInitFunctionDecl(StringRef name);
> - Stmt *SynthBlockInitExpr(BlockExpr *Exp,
> - const SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs);
> -
> - // Misc. helper routines.
> - QualType getProtocolType();
> - void WarnAboutReturnGotoStmts(Stmt *S);
> - void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND);
> - void InsertBlockLiteralsWithinFunction(FunctionDecl *FD);
> - void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD);
> -
> - bool IsDeclStmtInForeachHeader(DeclStmt *DS);
> - void CollectBlockDeclRefInfo(BlockExpr *Exp);
> - void GetBlockDeclRefExprs(Stmt *S);
> - void GetInnerBlockDeclRefExprs(Stmt *S,
> - SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs,
> - llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts);
> -
> - // We avoid calling Type::isBlockPointerType(), since it operates on the
> - // canonical type. We only care if the top-level type is a closure pointer.
> - bool isTopLevelBlockPointerType(QualType T) {
> - return isa<BlockPointerType>(T);
> - }
> -
> - /// convertBlockPointerToFunctionPointer - Converts a block-pointer type
> - /// to a function pointer type and upon success, returns true; false
> - /// otherwise.
> - bool convertBlockPointerToFunctionPointer(QualType &T) {
> - if (isTopLevelBlockPointerType(T)) {
> - const BlockPointerType *BPT = T->getAs<BlockPointerType>();
> - T = Context->getPointerType(BPT->getPointeeType());
> - return true;
> - }
> - return false;
> - }
> -
> - bool convertObjCTypeToCStyleType(QualType &T);
> -
> - bool needToScanForQualifiers(QualType T);
> - QualType getSuperStructType();
> - QualType getConstantStringStructType();
> - QualType convertFunctionTypeOfBlocks(const FunctionType *FT);
> - bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf);
> -
> - void convertToUnqualifiedObjCType(QualType &T) {
> - if (T->isObjCQualifiedIdType()) {
> - bool isConst = T.isConstQualified();
> - T = isConst ? Context->getObjCIdType().withConst()
> - : Context->getObjCIdType();
> - }
> - else if (T->isObjCQualifiedClassType())
> - T = Context->getObjCClassType();
> - else if (T->isObjCObjectPointerType() &&
> - T->getPointeeType()->isObjCQualifiedInterfaceType()) {
> - if (const ObjCObjectPointerType * OBJPT =
> - T->getAsObjCInterfacePointerType()) {
> - const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType();
> - T = QualType(IFaceT, 0);
> - T = Context->getPointerType(T);
> - }
> - }
> - }
> -
> - // FIXME: This predicate seems like it would be useful to add to ASTContext.
> - bool isObjCType(QualType T) {
> - if (!LangOpts.ObjC1 && !LangOpts.ObjC2)
> - return false;
> -
> - QualType OCT = Context->getCanonicalType(T).getUnqualifiedType();
> -
> - if (OCT == Context->getCanonicalType(Context->getObjCIdType()) ||
> - OCT == Context->getCanonicalType(Context->getObjCClassType()))
> - return true;
> -
> - if (const PointerType *PT = OCT->getAs<PointerType>()) {
> - if (isa<ObjCInterfaceType>(PT->getPointeeType()) ||
> - PT->getPointeeType()->isObjCQualifiedIdType())
> - return true;
> - }
> - return false;
> - }
> - bool PointerTypeTakesAnyBlockArguments(QualType QT);
> - bool PointerTypeTakesAnyObjCQualifiedType(QualType QT);
> - void GetExtentOfArgList(const char *Name, const char *&LParen,
> - const char *&RParen);
> -
> - void QuoteDoublequotes(std::string &From, std::string &To) {
> - for (unsigned i = 0; i < From.length(); i++) {
> - if (From[i] == '"')
> - To += "\\\"";
> - else
> - To += From[i];
> - }
> - }
> -
> - QualType getSimpleFunctionType(QualType result,
> - ArrayRef<QualType> args,
> - bool variadic = false) {
> - if (result == Context->getObjCInstanceType())
> - result = Context->getObjCIdType();
> - FunctionProtoType::ExtProtoInfo fpi;
> - fpi.Variadic = variadic;
> - return Context->getFunctionType(result, args, fpi);
> - }
> -
> - // Helper function: create a CStyleCastExpr with trivial type source info.
> - CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty,
> - CastKind Kind, Expr *E) {
> - TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation());
> - return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, nullptr,
> - TInfo, SourceLocation(), SourceLocation());
> - }
> -
> - bool ImplementationIsNonLazy(const ObjCImplDecl *OD) const {
> - IdentifierInfo* II = &Context->Idents.get("load");
> - Selector LoadSel = Context->Selectors.getSelector(0, &II);
> - return OD->getClassMethod(LoadSel) != nullptr;
> - }
> -
> - StringLiteral *getStringLiteral(StringRef Str) {
> - QualType StrType = Context->getConstantArrayType(
> - Context->CharTy, llvm::APInt(32, Str.size() + 1), ArrayType::Normal,
> - 0);
> - return StringLiteral::Create(*Context, Str, StringLiteral::Ascii,
> - /*Pascal=*/false, StrType, SourceLocation());
> - }
> - };
> -
> -}
> -
> -void RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType,
> - NamedDecl *D) {
> - if (const FunctionProtoType *fproto
> - = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) {
> - for (const auto &I : fproto->param_types())
> - if (isTopLevelBlockPointerType(I)) {
> - // All the args are checked/rewritten. Don't call twice!
> - RewriteBlockPointerDecl(D);
> - break;
> - }
> - }
> -}
> -
> -void RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) {
> - const PointerType *PT = funcType->getAs<PointerType>();
> - if (PT && PointerTypeTakesAnyBlockArguments(funcType))
> - RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND);
> -}
> -
> -static bool IsHeaderFile(const std::string &Filename) {
> - std::string::size_type DotPos = Filename.rfind('.');
> -
> - if (DotPos == std::string::npos) {
> - // no file extension
> - return false;
> - }
> -
> - std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end());
> - // C header: .h
> - // C++ header: .hh or .H;
> - return Ext == "h" || Ext == "hh" || Ext == "H";
> -}
> -
> -RewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS,
> - DiagnosticsEngine &D, const LangOptions &LOpts,
> - bool silenceMacroWarn,
> - bool LineInfo)
> - : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS),
> - SilenceRewriteMacroWarning(silenceMacroWarn), GenerateLineInfo(LineInfo) {
> - IsHeader = IsHeaderFile(inFile);
> - RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning,
> - "rewriting sub-expression within a macro (may not be correct)");
> - // FIXME. This should be an error. But if block is not called, it is OK. And it
> - // may break including some headers.
> - GlobalBlockRewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning,
> - "rewriting block literal declared in global scope is not implemented");
> -
> - TryFinallyContainsReturnDiag = Diags.getCustomDiagID(
> - DiagnosticsEngine::Warning,
> - "rewriter doesn't support user-specified control flow semantics "
> - "for @try/@finally (code may not execute properly)");
> -}
> -
> -ASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile,
> - raw_ostream* OS,
> - DiagnosticsEngine &Diags,
> - const LangOptions &LOpts,
> - bool SilenceRewriteMacroWarning,
> - bool LineInfo) {
> - return new RewriteModernObjC(InFile, OS, Diags, LOpts,
> - SilenceRewriteMacroWarning, LineInfo);
> -}
> -
> -void RewriteModernObjC::InitializeCommon(ASTContext &context) {
> - Context = &context;
> - SM = &Context->getSourceManager();
> - TUDecl = Context->getTranslationUnitDecl();
> - MsgSendFunctionDecl = nullptr;
> - MsgSendSuperFunctionDecl = nullptr;
> - MsgSendStretFunctionDecl = nullptr;
> - MsgSendSuperStretFunctionDecl = nullptr;
> - MsgSendFpretFunctionDecl = nullptr;
> - GetClassFunctionDecl = nullptr;
> - GetMetaClassFunctionDecl = nullptr;
> - GetSuperClassFunctionDecl = nullptr;
> - SelGetUidFunctionDecl = nullptr;
> - CFStringFunctionDecl = nullptr;
> - ConstantStringClassReference = nullptr;
> - NSStringRecord = nullptr;
> - CurMethodDef = nullptr;
> - CurFunctionDef = nullptr;
> - GlobalVarDecl = nullptr;
> - GlobalConstructionExp = nullptr;
> - SuperStructDecl = nullptr;
> - ProtocolTypeDecl = nullptr;
> - ConstantStringDecl = nullptr;
> - BcLabelCount = 0;
> - SuperConstructorFunctionDecl = nullptr;
> - NumObjCStringLiterals = 0;
> - PropParentMap = nullptr;
> - CurrentBody = nullptr;
> - DisableReplaceStmt = false;
> - objc_impl_method = false;
> -
> - // Get the ID and start/end of the main file.
> - MainFileID = SM->getMainFileID();
> - const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID);
> - MainFileStart = MainBuf->getBufferStart();
> - MainFileEnd = MainBuf->getBufferEnd();
> -
> - Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOpts());
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Top Level Driver Code
> -//===----------------------------------------------------------------------===//
> -
> -void RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) {
> - if (Diags.hasErrorOccurred())
> - return;
> -
> - // Two cases: either the decl could be in the main file, or it could be in a
> - // #included file. If the former, rewrite it now. If the later, check to see
> - // if we rewrote the #include/#import.
> - SourceLocation Loc = D->getLocation();
> - Loc = SM->getExpansionLoc(Loc);
> -
> - // If this is for a builtin, ignore it.
> - if (Loc.isInvalid()) return;
> -
> - // Look for built-in declarations that we need to refer during the rewrite.
> - if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
> - RewriteFunctionDecl(FD);
> - } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) {
> - // declared in <Foundation/NSString.h>
> - if (FVD->getName() == "_NSConstantStringClassReference") {
> - ConstantStringClassReference = FVD;
> - return;
> - }
> - } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) {
> - RewriteCategoryDecl(CD);
> - } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) {
> - if (PD->isThisDeclarationADefinition())
> - RewriteProtocolDecl(PD);
> - } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) {
> - // FIXME. This will not work in all situations and leaving it out
> - // is harmless.
> - // RewriteLinkageSpec(LSD);
> -
> - // Recurse into linkage specifications
> - for (DeclContext::decl_iterator DI = LSD->decls_begin(),
> - DIEnd = LSD->decls_end();
> - DI != DIEnd; ) {
> - if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) {
> - if (!IFace->isThisDeclarationADefinition()) {
> - SmallVector<Decl *, 8> DG;
> - SourceLocation StartLoc = IFace->getLocStart();
> - do {
> - if (isa<ObjCInterfaceDecl>(*DI) &&
> - !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() &&
> - StartLoc == (*DI)->getLocStart())
> - DG.push_back(*DI);
> - else
> - break;
> -
> - ++DI;
> - } while (DI != DIEnd);
> - RewriteForwardClassDecl(DG);
> - continue;
> - }
> - else {
> - // Keep track of all interface declarations seen.
> - ObjCInterfacesSeen.push_back(IFace);
> - ++DI;
> - continue;
> - }
> - }
> -
> - if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) {
> - if (!Proto->isThisDeclarationADefinition()) {
> - SmallVector<Decl *, 8> DG;
> - SourceLocation StartLoc = Proto->getLocStart();
> - do {
> - if (isa<ObjCProtocolDecl>(*DI) &&
> - !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() &&
> - StartLoc == (*DI)->getLocStart())
> - DG.push_back(*DI);
> - else
> - break;
> -
> - ++DI;
> - } while (DI != DIEnd);
> - RewriteForwardProtocolDecl(DG);
> - continue;
> - }
> - }
> -
> - HandleTopLevelSingleDecl(*DI);
> - ++DI;
> - }
> - }
> - // If we have a decl in the main file, see if we should rewrite it.
> - if (SM->isWrittenInMainFile(Loc))
> - return HandleDeclInMainFile(D);
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Syntactic (non-AST) Rewriting Code
> -//===----------------------------------------------------------------------===//
> -
> -void RewriteModernObjC::RewriteInclude() {
> - SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID);
> - StringRef MainBuf = SM->getBufferData(MainFileID);
> - const char *MainBufStart = MainBuf.begin();
> - const char *MainBufEnd = MainBuf.end();
> - size_t ImportLen = strlen("import");
> -
> - // Loop over the whole file, looking for includes.
> - for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) {
> - if (*BufPtr == '#') {
> - if (++BufPtr == MainBufEnd)
> - return;
> - while (*BufPtr == ' ' || *BufPtr == '\t')
> - if (++BufPtr == MainBufEnd)
> - return;
> - if (!strncmp(BufPtr, "import", ImportLen)) {
> - // replace import with include
> - SourceLocation ImportLoc =
> - LocStart.getLocWithOffset(BufPtr-MainBufStart);
> - ReplaceText(ImportLoc, ImportLen, "include");
> - BufPtr += ImportLen;
> - }
> - }
> - }
> -}
> -
> -static void WriteInternalIvarName(const ObjCInterfaceDecl *IDecl,
> - ObjCIvarDecl *IvarDecl, std::string &Result) {
> - Result += "OBJC_IVAR_$_";
> - Result += IDecl->getName();
> - Result += "$";
> - Result += IvarDecl->getName();
> -}
> -
> -std::string
> -RewriteModernObjC::getIvarAccessString(ObjCIvarDecl *D) {
> - const ObjCInterfaceDecl *ClassDecl = D->getContainingInterface();
> -
> - // Build name of symbol holding ivar offset.
> - std::string IvarOffsetName;
> - if (D->isBitField())
> - ObjCIvarBitfieldGroupOffset(D, IvarOffsetName);
> - else
> - WriteInternalIvarName(ClassDecl, D, IvarOffsetName);
> -
> -
> - std::string S = "(*(";
> - QualType IvarT = D->getType();
> - if (D->isBitField())
> - IvarT = GetGroupRecordTypeForObjCIvarBitfield(D);
> -
> - if (!isa<TypedefType>(IvarT) && IvarT->isRecordType()) {
> - RecordDecl *RD = IvarT->getAs<RecordType>()->getDecl();
> - RD = RD->getDefinition();
> - if (RD && !RD->getDeclName().getAsIdentifierInfo()) {
> - // decltype(((Foo_IMPL*)0)->bar) *
> - ObjCContainerDecl *CDecl =
> - dyn_cast<ObjCContainerDecl>(D->getDeclContext());
> - // ivar in class extensions requires special treatment.
> - if (ObjCCategoryDecl *CatDecl = dyn_cast<ObjCCategoryDecl>(CDecl))
> - CDecl = CatDecl->getClassInterface();
> - std::string RecName = CDecl->getName();
> - RecName += "_IMPL";
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get(RecName.c_str()));
> - QualType PtrStructIMPL = Context->getPointerType(Context->getTagDeclType(RD));
> - unsigned UnsignedIntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy));
> - Expr *Zero = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, 0),
> - Context->UnsignedIntTy, SourceLocation());
> - Zero = NoTypeInfoCStyleCastExpr(Context, PtrStructIMPL, CK_BitCast, Zero);
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - Zero);
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get(D->getNameAsString()),
> - IvarT, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> - IvarT = Context->getDecltypeType(ME, ME->getType());
> - }
> - }
> - convertObjCTypeToCStyleType(IvarT);
> - QualType castT = Context->getPointerType(IvarT);
> - std::string TypeString(castT.getAsString(Context->getPrintingPolicy()));
> - S += TypeString;
> - S += ")";
> -
> - // ((char *)self + IVAR_OFFSET_SYMBOL_NAME)
> - S += "((char *)self + ";
> - S += IvarOffsetName;
> - S += "))";
> - if (D->isBitField()) {
> - S += ".";
> - S += D->getNameAsString();
> - }
> - ReferencedIvars[const_cast<ObjCInterfaceDecl *>(ClassDecl)].insert(D);
> - return S;
> -}
> -
> -/// mustSynthesizeSetterGetterMethod - returns true if setter or getter has not
> -/// been found in the class implementation. In this case, it must be synthesized.
> -static bool mustSynthesizeSetterGetterMethod(ObjCImplementationDecl *IMP,
> - ObjCPropertyDecl *PD,
> - bool getter) {
> - return getter ? !IMP->getInstanceMethod(PD->getGetterName())
> - : !IMP->getInstanceMethod(PD->getSetterName());
> -
> -}
> -
> -void RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID,
> - ObjCImplementationDecl *IMD,
> - ObjCCategoryImplDecl *CID) {
> - static bool objcGetPropertyDefined = false;
> - static bool objcSetPropertyDefined = false;
> - SourceLocation startGetterSetterLoc;
> -
> - if (PID->getLocStart().isValid()) {
> - SourceLocation startLoc = PID->getLocStart();
> - InsertText(startLoc, "// ");
> - const char *startBuf = SM->getCharacterData(startLoc);
> - assert((*startBuf == '@') && "bogus @synthesize location");
> - const char *semiBuf = strchr(startBuf, ';');
> - assert((*semiBuf == ';') && "@synthesize: can't find ';'");
> - startGetterSetterLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1);
> - }
> - else
> - startGetterSetterLoc = IMD ? IMD->getLocEnd() : CID->getLocEnd();
> -
> - if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - return; // FIXME: is this correct?
> -
> - // Generate the 'getter' function.
> - ObjCPropertyDecl *PD = PID->getPropertyDecl();
> - ObjCIvarDecl *OID = PID->getPropertyIvarDecl();
> - assert(IMD && OID && "Synthesized ivars must be attached to @implementation");
> -
> - unsigned Attributes = PD->getPropertyAttributes();
> - if (mustSynthesizeSetterGetterMethod(IMD, PD, true /*getter*/)) {
> - bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) &&
> - (Attributes & (ObjCPropertyDecl::OBJC_PR_retain |
> - ObjCPropertyDecl::OBJC_PR_copy));
> - std::string Getr;
> - if (GenGetProperty && !objcGetPropertyDefined) {
> - objcGetPropertyDefined = true;
> - // FIXME. Is this attribute correct in all cases?
> - Getr = "\nextern \"C\" __declspec(dllimport) "
> - "id objc_getProperty(id, SEL, long, bool);\n";
> - }
> - RewriteObjCMethodDecl(OID->getContainingInterface(),
> - PD->getGetterMethodDecl(), Getr);
> - Getr += "{ ";
> - // Synthesize an explicit cast to gain access to the ivar.
> - // See objc-act.c:objc_synthesize_new_getter() for details.
> - if (GenGetProperty) {
> - // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1)
> - Getr += "typedef ";
> - const FunctionType *FPRetType = nullptr;
> - RewriteTypeIntoString(PD->getGetterMethodDecl()->getReturnType(), Getr,
> - FPRetType);
> - Getr += " _TYPE";
> - if (FPRetType) {
> - Getr += ")"; // close the precedence "scope" for "*".
> -
> - // Now, emit the argument types (if any).
> - if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){
> - Getr += "(";
> - for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
> - if (i) Getr += ", ";
> - std::string ParamStr =
> - FT->getParamType(i).getAsString(Context->getPrintingPolicy());
> - Getr += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (FT->getNumParams())
> - Getr += ", ";
> - Getr += "...";
> - }
> - Getr += ")";
> - } else
> - Getr += "()";
> - }
> - Getr += ";\n";
> - Getr += "return (_TYPE)";
> - Getr += "objc_getProperty(self, _cmd, ";
> - RewriteIvarOffsetComputation(OID, Getr);
> - Getr += ", 1)";
> - }
> - else
> - Getr += "return " + getIvarAccessString(OID);
> - Getr += "; }";
> - InsertText(startGetterSetterLoc, Getr);
> - }
> -
> - if (PD->isReadOnly() ||
> - !mustSynthesizeSetterGetterMethod(IMD, PD, false /*setter*/))
> - return;
> -
> - // Generate the 'setter' function.
> - std::string Setr;
> - bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain |
> - ObjCPropertyDecl::OBJC_PR_copy);
> - if (GenSetProperty && !objcSetPropertyDefined) {
> - objcSetPropertyDefined = true;
> - // FIXME. Is this attribute correct in all cases?
> - Setr = "\nextern \"C\" __declspec(dllimport) "
> - "void objc_setProperty (id, SEL, long, id, bool, bool);\n";
> - }
> -
> - RewriteObjCMethodDecl(OID->getContainingInterface(),
> - PD->getSetterMethodDecl(), Setr);
> - Setr += "{ ";
> - // Synthesize an explicit cast to initialize the ivar.
> - // See objc-act.c:objc_synthesize_new_setter() for details.
> - if (GenSetProperty) {
> - Setr += "objc_setProperty (self, _cmd, ";
> - RewriteIvarOffsetComputation(OID, Setr);
> - Setr += ", (id)";
> - Setr += PD->getName();
> - Setr += ", ";
> - if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic)
> - Setr += "0, ";
> - else
> - Setr += "1, ";
> - if (Attributes & ObjCPropertyDecl::OBJC_PR_copy)
> - Setr += "1)";
> - else
> - Setr += "0)";
> - }
> - else {
> - Setr += getIvarAccessString(OID) + " = ";
> - Setr += PD->getName();
> - }
> - Setr += "; }\n";
> - InsertText(startGetterSetterLoc, Setr);
> -}
> -
> -static void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl,
> - std::string &typedefString) {
> - typedefString += "\n#ifndef _REWRITER_typedef_";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += "\n";
> - typedefString += "#define _REWRITER_typedef_";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += "\n";
> - typedefString += "typedef struct objc_object ";
> - typedefString += ForwardDecl->getNameAsString();
> - // typedef struct { } _objc_exc_Classname;
> - typedefString += ";\ntypedef struct {} _objc_exc_";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";\n#endif\n";
> -}
> -
> -void RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl,
> - const std::string &typedefString) {
> - SourceLocation startLoc = ClassDecl->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> - const char *semiPtr = strchr(startBuf, ';');
> - // Replace the @class with typedefs corresponding to the classes.
> - ReplaceText(startLoc, semiPtr-startBuf+1, typedefString);
> -}
> -
> -void RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) {
> - std::string typedefString;
> - for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
> - if (ObjCInterfaceDecl *ForwardDecl = dyn_cast<ObjCInterfaceDecl>(*I)) {
> - if (I == D.begin()) {
> - // Translate to typedef's that forward reference structs with the same name
> - // as the class. As a convenience, we include the original declaration
> - // as a comment.
> - typedefString += "// @class ";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";";
> - }
> - RewriteOneForwardClassDecl(ForwardDecl, typedefString);
> - }
> - else
> - HandleTopLevelSingleDecl(*I);
> - }
> - DeclGroupRef::iterator I = D.begin();
> - RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString);
> -}
> -
> -void RewriteModernObjC::RewriteForwardClassDecl(
> - const SmallVectorImpl<Decl *> &D) {
> - std::string typedefString;
> - for (unsigned i = 0; i < D.size(); i++) {
> - ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]);
> - if (i == 0) {
> - typedefString += "// @class ";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";";
> - }
> - RewriteOneForwardClassDecl(ForwardDecl, typedefString);
> - }
> - RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString);
> -}
> -
> -void RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) {
> - // When method is a synthesized one, such as a getter/setter there is
> - // nothing to rewrite.
> - if (Method->isImplicit())
> - return;
> - SourceLocation LocStart = Method->getLocStart();
> - SourceLocation LocEnd = Method->getLocEnd();
> -
> - if (SM->getExpansionLineNumber(LocEnd) >
> - SM->getExpansionLineNumber(LocStart)) {
> - InsertText(LocStart, "#if 0\n");
> - ReplaceText(LocEnd, 1, ";\n#endif\n");
> - } else {
> - InsertText(LocStart, "// ");
> - }
> -}
> -
> -void RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) {
> - SourceLocation Loc = prop->getAtLoc();
> -
> - ReplaceText(Loc, 0, "// ");
> - // FIXME: handle properties that are declared across multiple lines.
> -}
> -
> -void RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) {
> - SourceLocation LocStart = CatDecl->getLocStart();
> -
> - // FIXME: handle category headers that are declared across multiple lines.
> - if (CatDecl->getIvarRBraceLoc().isValid()) {
> - ReplaceText(LocStart, 1, "/** ");
> - ReplaceText(CatDecl->getIvarRBraceLoc(), 1, "**/ ");
> - }
> - else {
> - ReplaceText(LocStart, 0, "// ");
> - }
> -
> - for (auto *I : CatDecl->properties())
> - RewriteProperty(I);
> -
> - for (auto *I : CatDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : CatDecl->class_methods())
> - RewriteMethodDeclaration(I);
> -
> - // Lastly, comment out the @end.
> - ReplaceText(CatDecl->getAtEndRange().getBegin(),
> - strlen("@end"), "/* @end */\n");
> -}
> -
> -void RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) {
> - SourceLocation LocStart = PDecl->getLocStart();
> - assert(PDecl->isThisDeclarationADefinition());
> -
> - // FIXME: handle protocol headers that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -
> - for (auto *I : PDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : PDecl->class_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : PDecl->properties())
> - RewriteProperty(I);
> -
> - // Lastly, comment out the @end.
> - SourceLocation LocEnd = PDecl->getAtEndRange().getBegin();
> - ReplaceText(LocEnd, strlen("@end"), "/* @end */\n");
> -
> - // Must comment out @optional/@required
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - for (const char *p = startBuf; p < endBuf; p++) {
> - if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) {
> - SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf);
> - ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */");
> -
> - }
> - else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) {
> - SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf);
> - ReplaceText(OptionalLoc, strlen("@required"), "/* @required */");
> -
> - }
> - }
> -}
> -
> -void RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) {
> - SourceLocation LocStart = (*D.begin())->getLocStart();
> - if (LocStart.isInvalid())
> - llvm_unreachable("Invalid SourceLocation");
> - // FIXME: handle forward protocol that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -}
> -
> -void
> -RewriteModernObjC::RewriteForwardProtocolDecl(const SmallVectorImpl<Decl *> &DG) {
> - SourceLocation LocStart = DG[0]->getLocStart();
> - if (LocStart.isInvalid())
> - llvm_unreachable("Invalid SourceLocation");
> - // FIXME: handle forward protocol that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -}
> -
> -void
> -RewriteModernObjC::RewriteLinkageSpec(LinkageSpecDecl *LSD) {
> - SourceLocation LocStart = LSD->getExternLoc();
> - if (LocStart.isInvalid())
> - llvm_unreachable("Invalid extern SourceLocation");
> -
> - ReplaceText(LocStart, 0, "// ");
> - if (!LSD->hasBraces())
> - return;
> - // FIXME. We don't rewrite well if '{' is not on same line as 'extern'.
> - SourceLocation LocRBrace = LSD->getRBraceLoc();
> - if (LocRBrace.isInvalid())
> - llvm_unreachable("Invalid rbrace SourceLocation");
> - ReplaceText(LocRBrace, 0, "// ");
> -}
> -
> -void RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr,
> - const FunctionType *&FPRetType) {
> - if (T->isObjCQualifiedIdType())
> - ResultStr += "id";
> - else if (T->isFunctionPointerType() ||
> - T->isBlockPointerType()) {
> - // needs special handling, since pointer-to-functions have special
> - // syntax (where a decaration models use).
> - QualType retType = T;
> - QualType PointeeTy;
> - if (const PointerType* PT = retType->getAs<PointerType>())
> - PointeeTy = PT->getPointeeType();
> - else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>())
> - PointeeTy = BPT->getPointeeType();
> - if ((FPRetType = PointeeTy->getAs<FunctionType>())) {
> - ResultStr +=
> - FPRetType->getReturnType().getAsString(Context->getPrintingPolicy());
> - ResultStr += "(*";
> - }
> - } else
> - ResultStr += T.getAsString(Context->getPrintingPolicy());
> -}
> -
> -void RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl,
> - ObjCMethodDecl *OMD,
> - std::string &ResultStr) {
> - //fprintf(stderr,"In RewriteObjCMethodDecl\n");
> - const FunctionType *FPRetType = nullptr;
> - ResultStr += "\nstatic ";
> - RewriteTypeIntoString(OMD->getReturnType(), ResultStr, FPRetType);
> - ResultStr += " ";
> -
> - // Unique method name
> - std::string NameStr;
> -
> - if (OMD->isInstanceMethod())
> - NameStr += "_I_";
> - else
> - NameStr += "_C_";
> -
> - NameStr += IDecl->getNameAsString();
> - NameStr += "_";
> -
> - if (ObjCCategoryImplDecl *CID =
> - dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) {
> - NameStr += CID->getNameAsString();
> - NameStr += "_";
> - }
> - // Append selector names, replacing ':' with '_'
> - {
> - std::string selString = OMD->getSelector().getAsString();
> - int len = selString.size();
> - for (int i = 0; i < len; i++)
> - if (selString[i] == ':')
> - selString[i] = '_';
> - NameStr += selString;
> - }
> - // Remember this name for metadata emission
> - MethodInternalNames[OMD] = NameStr;
> - ResultStr += NameStr;
> -
> - // Rewrite arguments
> - ResultStr += "(";
> -
> - // invisible arguments
> - if (OMD->isInstanceMethod()) {
> - QualType selfTy = Context->getObjCInterfaceType(IDecl);
> - selfTy = Context->getPointerType(selfTy);
> - if (!LangOpts.MicrosoftExt) {
> - if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl)))
> - ResultStr += "struct ";
> - }
> - // When rewriting for Microsoft, explicitly omit the structure name.
> - ResultStr += IDecl->getNameAsString();
> - ResultStr += " *";
> - }
> - else
> - ResultStr += Context->getObjCClassType().getAsString(
> - Context->getPrintingPolicy());
> -
> - ResultStr += " self, ";
> - ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy());
> - ResultStr += " _cmd";
> -
> - // Method arguments.
> - for (const auto *PDecl : OMD->params()) {
> - ResultStr += ", ";
> - if (PDecl->getType()->isObjCQualifiedIdType()) {
> - ResultStr += "id ";
> - ResultStr += PDecl->getNameAsString();
> - } else {
> - std::string Name = PDecl->getNameAsString();
> - QualType QT = PDecl->getType();
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(QT);
> - QT.getAsStringInternal(Name, Context->getPrintingPolicy());
> - ResultStr += Name;
> - }
> - }
> - if (OMD->isVariadic())
> - ResultStr += ", ...";
> - ResultStr += ") ";
> -
> - if (FPRetType) {
> - ResultStr += ")"; // close the precedence "scope" for "*".
> -
> - // Now, emit the argument types (if any).
> - if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) {
> - ResultStr += "(";
> - for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
> - if (i) ResultStr += ", ";
> - std::string ParamStr =
> - FT->getParamType(i).getAsString(Context->getPrintingPolicy());
> - ResultStr += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (FT->getNumParams())
> - ResultStr += ", ";
> - ResultStr += "...";
> - }
> - ResultStr += ")";
> - } else {
> - ResultStr += "()";
> - }
> - }
> -}
> -void RewriteModernObjC::RewriteImplementationDecl(Decl *OID) {
> - ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID);
> - ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID);
> -
> - if (IMD) {
> - if (IMD->getIvarRBraceLoc().isValid()) {
> - ReplaceText(IMD->getLocStart(), 1, "/** ");
> - ReplaceText(IMD->getIvarRBraceLoc(), 1, "**/ ");
> - }
> - else {
> - InsertText(IMD->getLocStart(), "// ");
> - }
> - }
> - else
> - InsertText(CID->getLocStart(), "// ");
> -
> - for (auto *OMD : IMD ? IMD->instance_methods() : CID->instance_methods()) {
> - std::string ResultStr;
> - RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr);
> - SourceLocation LocStart = OMD->getLocStart();
> - SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - ReplaceText(LocStart, endBuf-startBuf, ResultStr);
> - }
> -
> - for (auto *OMD : IMD ? IMD->class_methods() : CID->class_methods()) {
> - std::string ResultStr;
> - RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr);
> - SourceLocation LocStart = OMD->getLocStart();
> - SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - ReplaceText(LocStart, endBuf-startBuf, ResultStr);
> - }
> - for (auto *I : IMD ? IMD->property_impls() : CID->property_impls())
> - RewritePropertyImplDecl(I, IMD, CID);
> -
> - InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// ");
> -}
> -
> -void RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) {
> - // Do not synthesize more than once.
> - if (ObjCSynthesizedStructs.count(ClassDecl))
> - return;
> - // Make sure super class's are written before current class is written.
> - ObjCInterfaceDecl *SuperClass = ClassDecl->getSuperClass();
> - while (SuperClass) {
> - RewriteInterfaceDecl(SuperClass);
> - SuperClass = SuperClass->getSuperClass();
> - }
> - std::string ResultStr;
> - if (!ObjCWrittenInterfaces.count(ClassDecl->getCanonicalDecl())) {
> - // we haven't seen a forward decl - generate a typedef.
> - RewriteOneForwardClassDecl(ClassDecl, ResultStr);
> - RewriteIvarOffsetSymbols(ClassDecl, ResultStr);
> -
> - RewriteObjCInternalStruct(ClassDecl, ResultStr);
> - // Mark this typedef as having been written into its c++ equivalent.
> - ObjCWrittenInterfaces.insert(ClassDecl->getCanonicalDecl());
> -
> - for (auto *I : ClassDecl->properties())
> - RewriteProperty(I);
> - for (auto *I : ClassDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : ClassDecl->class_methods())
> - RewriteMethodDeclaration(I);
> -
> - // Lastly, comment out the @end.
> - ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"),
> - "/* @end */\n");
> - }
> -}
> -
> -Stmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) {
> - SourceRange OldRange = PseudoOp->getSourceRange();
> -
> - // We just magically know some things about the structure of this
> - // expression.
> - ObjCMessageExpr *OldMsg =
> - cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr(
> - PseudoOp->getNumSemanticExprs() - 1));
> -
> - // Because the rewriter doesn't allow us to rewrite rewritten code,
> - // we need to suppress rewriting the sub-statements.
> - Expr *Base;
> - SmallVector<Expr*, 2> Args;
> - {
> - DisableReplaceStmtScope S(*this);
> -
> - // Rebuild the base expression if we have one.
> - Base = nullptr;
> - if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) {
> - Base = OldMsg->getInstanceReceiver();
> - Base = cast<OpaqueValueExpr>(Base)->getSourceExpr();
> - Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base));
> - }
> -
> - unsigned numArgs = OldMsg->getNumArgs();
> - for (unsigned i = 0; i < numArgs; i++) {
> - Expr *Arg = OldMsg->getArg(i);
> - if (isa<OpaqueValueExpr>(Arg))
> - Arg = cast<OpaqueValueExpr>(Arg)->getSourceExpr();
> - Arg = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Arg));
> - Args.push_back(Arg);
> - }
> - }
> -
> - // TODO: avoid this copy.
> - SmallVector<SourceLocation, 1> SelLocs;
> - OldMsg->getSelectorLocs(SelLocs);
> -
> - ObjCMessageExpr *NewMsg = nullptr;
> - switch (OldMsg->getReceiverKind()) {
> - case ObjCMessageExpr::Class:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getClassReceiverTypeInfo(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::Instance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - Base,
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::SuperClass:
> - case ObjCMessageExpr::SuperInstance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getSuperLoc(),
> - OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance,
> - OldMsg->getSuperType(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> - }
> -
> - Stmt *Replacement = SynthMessageExpr(NewMsg);
> - ReplaceStmtWithRange(PseudoOp, Replacement, OldRange);
> - return Replacement;
> -}
> -
> -Stmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) {
> - SourceRange OldRange = PseudoOp->getSourceRange();
> -
> - // We just magically know some things about the structure of this
> - // expression.
> - ObjCMessageExpr *OldMsg =
> - cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit());
> -
> - // Because the rewriter doesn't allow us to rewrite rewritten code,
> - // we need to suppress rewriting the sub-statements.
> - Expr *Base = nullptr;
> - SmallVector<Expr*, 1> Args;
> - {
> - DisableReplaceStmtScope S(*this);
> - // Rebuild the base expression if we have one.
> - if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) {
> - Base = OldMsg->getInstanceReceiver();
> - Base = cast<OpaqueValueExpr>(Base)->getSourceExpr();
> - Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base));
> - }
> - unsigned numArgs = OldMsg->getNumArgs();
> - for (unsigned i = 0; i < numArgs; i++) {
> - Expr *Arg = OldMsg->getArg(i);
> - if (isa<OpaqueValueExpr>(Arg))
> - Arg = cast<OpaqueValueExpr>(Arg)->getSourceExpr();
> - Arg = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Arg));
> - Args.push_back(Arg);
> - }
> - }
> -
> - // Intentionally empty.
> - SmallVector<SourceLocation, 1> SelLocs;
> -
> - ObjCMessageExpr *NewMsg = nullptr;
> - switch (OldMsg->getReceiverKind()) {
> - case ObjCMessageExpr::Class:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getClassReceiverTypeInfo(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::Instance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - Base,
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::SuperClass:
> - case ObjCMessageExpr::SuperInstance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getSuperLoc(),
> - OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance,
> - OldMsg->getSuperType(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> - }
> -
> - Stmt *Replacement = SynthMessageExpr(NewMsg);
> - ReplaceStmtWithRange(PseudoOp, Replacement, OldRange);
> - return Replacement;
> -}
> -
> -/// SynthCountByEnumWithState - To print:
> -/// ((NSUInteger (*)
> -/// (id, SEL, struct __objcFastEnumerationState *, id *, NSUInteger))
> -/// (void *)objc_msgSend)((id)l_collection,
> -/// sel_registerName(
> -/// "countByEnumeratingWithState:objects:count:"),
> -/// &enumState,
> -/// (id *)__rw_items, (NSUInteger)16)
> -///
> -void RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) {
> - buf += "((_WIN_NSUInteger (*) (id, SEL, struct __objcFastEnumerationState *, "
> - "id *, _WIN_NSUInteger))(void *)objc_msgSend)";
> - buf += "\n\t\t";
> - buf += "((id)l_collection,\n\t\t";
> - buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),";
> - buf += "\n\t\t";
> - buf += "&enumState, "
> - "(id *)__rw_items, (_WIN_NSUInteger)16)";
> -}
> -
> -/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach
> -/// statement to exit to its outer synthesized loop.
> -///
> -Stmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) {
> - if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back()))
> - return S;
> - // replace break with goto __break_label
> - std::string buf;
> -
> - SourceLocation startLoc = S->getLocStart();
> - buf = "goto __break_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - ReplaceText(startLoc, strlen("break"), buf);
> -
> - return nullptr;
> -}
> -
> -void RewriteModernObjC::ConvertSourceLocationToLineDirective(
> - SourceLocation Loc,
> - std::string &LineString) {
> - if (Loc.isFileID() && GenerateLineInfo) {
> - LineString += "\n#line ";
> - PresumedLoc PLoc = SM->getPresumedLoc(Loc);
> - LineString += utostr(PLoc.getLine());
> - LineString += " \"";
> - LineString += Lexer::Stringify(PLoc.getFilename());
> - LineString += "\"\n";
> - }
> -}
> -
> -/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach
> -/// statement to continue with its inner synthesized loop.
> -///
> -Stmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) {
> - if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back()))
> - return S;
> - // replace continue with goto __continue_label
> - std::string buf;
> -
> - SourceLocation startLoc = S->getLocStart();
> - buf = "goto __continue_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - ReplaceText(startLoc, strlen("continue"), buf);
> -
> - return nullptr;
> -}
> -
> -/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement.
> -/// It rewrites:
> -/// for ( type elem in collection) { stmts; }
> -
> -/// Into:
> -/// {
> -/// type elem;
> -/// struct __objcFastEnumerationState enumState = { 0 };
> -/// id __rw_items[16];
> -/// id l_collection = (id)collection;
> -/// NSUInteger limit = [l_collection countByEnumeratingWithState:&enumState
> -/// objects:__rw_items count:16];
> -/// if (limit) {
> -/// unsigned long startMutations = *enumState.mutationsPtr;
> -/// do {
> -/// unsigned long counter = 0;
> -/// do {
> -/// if (startMutations != *enumState.mutationsPtr)
> -/// objc_enumerationMutation(l_collection);
> -/// elem = (type)enumState.itemsPtr[counter++];
> -/// stmts;
> -/// __continue_label: ;
> -/// } while (counter < limit);
> -/// } while ((limit = [l_collection countByEnumeratingWithState:&enumState
> -/// objects:__rw_items count:16]));
> -/// elem = nil;
> -/// __break_label: ;
> -/// }
> -/// else
> -/// elem = nil;
> -/// }
> -///
> -Stmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S,
> - SourceLocation OrigEnd) {
> - assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty");
> - assert(isa<ObjCForCollectionStmt>(Stmts.back()) &&
> - "ObjCForCollectionStmt Statement stack mismatch");
> - assert(!ObjCBcLabelNo.empty() &&
> - "ObjCForCollectionStmt - Label No stack empty");
> -
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> - StringRef elementName;
> - std::string elementTypeAsString;
> - std::string buf;
> - // line directive first.
> - SourceLocation ForEachLoc = S->getForLoc();
> - ConvertSourceLocationToLineDirective(ForEachLoc, buf);
> - buf += "{\n\t";
> - if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) {
> - // type elem;
> - NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl());
> - QualType ElementType = cast<ValueDecl>(D)->getType();
> - if (ElementType->isObjCQualifiedIdType() ||
> - ElementType->isObjCQualifiedInterfaceType())
> - // Simply use 'id' for all qualified types.
> - elementTypeAsString = "id";
> - else
> - elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy());
> - buf += elementTypeAsString;
> - buf += " ";
> - elementName = D->getName();
> - buf += elementName;
> - buf += ";\n\t";
> - }
> - else {
> - DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement());
> - elementName = DR->getDecl()->getName();
> - ValueDecl *VD = cast<ValueDecl>(DR->getDecl());
> - if (VD->getType()->isObjCQualifiedIdType() ||
> - VD->getType()->isObjCQualifiedInterfaceType())
> - // Simply use 'id' for all qualified types.
> - elementTypeAsString = "id";
> - else
> - elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy());
> - }
> -
> - // struct __objcFastEnumerationState enumState = { 0 };
> - buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t";
> - // id __rw_items[16];
> - buf += "id __rw_items[16];\n\t";
> - // id l_collection = (id)
> - buf += "id l_collection = (id)";
> - // Find start location of 'collection' the hard way!
> - const char *startCollectionBuf = startBuf;
> - startCollectionBuf += 3; // skip 'for'
> - startCollectionBuf = strchr(startCollectionBuf, '(');
> - startCollectionBuf++; // skip '('
> - // find 'in' and skip it.
> - while (*startCollectionBuf != ' ' ||
> - *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' ||
> - (*(startCollectionBuf+3) != ' ' &&
> - *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '('))
> - startCollectionBuf++;
> - startCollectionBuf += 3;
> -
> - // Replace: "for (type element in" with string constructed thus far.
> - ReplaceText(startLoc, startCollectionBuf - startBuf, buf);
> - // Replace ')' in for '(' type elem in collection ')' with ';'
> - SourceLocation rightParenLoc = S->getRParenLoc();
> - const char *rparenBuf = SM->getCharacterData(rightParenLoc);
> - SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf);
> - buf = ";\n\t";
> -
> - // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState
> - // objects:__rw_items count:16];
> - // which is synthesized into:
> - // NSUInteger limit =
> - // ((NSUInteger (*)
> - // (id, SEL, struct __objcFastEnumerationState *, id *, NSUInteger))
> - // (void *)objc_msgSend)((id)l_collection,
> - // sel_registerName(
> - // "countByEnumeratingWithState:objects:count:"),
> - // (struct __objcFastEnumerationState *)&state,
> - // (id *)__rw_items, (NSUInteger)16);
> - buf += "_WIN_NSUInteger limit =\n\t\t";
> - SynthCountByEnumWithState(buf);
> - buf += ";\n\t";
> - /// if (limit) {
> - /// unsigned long startMutations = *enumState.mutationsPtr;
> - /// do {
> - /// unsigned long counter = 0;
> - /// do {
> - /// if (startMutations != *enumState.mutationsPtr)
> - /// objc_enumerationMutation(l_collection);
> - /// elem = (type)enumState.itemsPtr[counter++];
> - buf += "if (limit) {\n\t";
> - buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t";
> - buf += "do {\n\t\t";
> - buf += "unsigned long counter = 0;\n\t\t";
> - buf += "do {\n\t\t\t";
> - buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t";
> - buf += "objc_enumerationMutation(l_collection);\n\t\t\t";
> - buf += elementName;
> - buf += " = (";
> - buf += elementTypeAsString;
> - buf += ")enumState.itemsPtr[counter++];";
> - // Replace ')' in for '(' type elem in collection ')' with all of these.
> - ReplaceText(lparenLoc, 1, buf);
> -
> - /// __continue_label: ;
> - /// } while (counter < limit);
> - /// } while ((limit = [l_collection countByEnumeratingWithState:&enumState
> - /// objects:__rw_items count:16]));
> - /// elem = nil;
> - /// __break_label: ;
> - /// }
> - /// else
> - /// elem = nil;
> - /// }
> - ///
> - buf = ";\n\t";
> - buf += "__continue_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - buf += ": ;";
> - buf += "\n\t\t";
> - buf += "} while (counter < limit);\n\t";
> - buf += "} while ((limit = ";
> - SynthCountByEnumWithState(buf);
> - buf += "));\n\t";
> - buf += elementName;
> - buf += " = ((";
> - buf += elementTypeAsString;
> - buf += ")0);\n\t";
> - buf += "__break_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - buf += ": ;\n\t";
> - buf += "}\n\t";
> - buf += "else\n\t\t";
> - buf += elementName;
> - buf += " = ((";
> - buf += elementTypeAsString;
> - buf += ")0);\n\t";
> - buf += "}\n";
> -
> - // Insert all these *after* the statement body.
> - // FIXME: If this should support Obj-C++, support CXXTryStmt
> - if (isa<CompoundStmt>(S->getBody())) {
> - SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1);
> - InsertText(endBodyLoc, buf);
> - } else {
> - /* Need to treat single statements specially. For example:
> - *
> - * for (A *a in b) if (stuff()) break;
> - * for (A *a in b) xxxyy;
> - *
> - * The following code simply scans ahead to the semi to find the actual end.
> - */
> - const char *stmtBuf = SM->getCharacterData(OrigEnd);
> - const char *semiBuf = strchr(stmtBuf, ';');
> - assert(semiBuf && "Can't find ';'");
> - SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1);
> - InsertText(endBodyLoc, buf);
> - }
> - Stmts.pop_back();
> - ObjCBcLabelNo.pop_back();
> - return nullptr;
> -}
> -
> -static void Write_RethrowObject(std::string &buf) {
> - buf += "{ struct _FIN { _FIN(id reth) : rethrow(reth) {}\n";
> - buf += "\t~_FIN() { if (rethrow) objc_exception_throw(rethrow); }\n";
> - buf += "\tid rethrow;\n";
> - buf += "\t} _fin_force_rethow(_rethrow);";
> -}
> -
> -/// RewriteObjCSynchronizedStmt -
> -/// This routine rewrites @synchronized(expr) stmt;
> -/// into:
> -/// objc_sync_enter(expr);
> -/// @try stmt @finally { objc_sync_exit(expr); }
> -///
> -Stmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @synchronized location");
> -
> - std::string buf;
> - SourceLocation SynchLoc = S->getAtSynchronizedLoc();
> - ConvertSourceLocationToLineDirective(SynchLoc, buf);
> - buf += "{ id _rethrow = 0; id _sync_obj = (id)";
> -
> - const char *lparenBuf = startBuf;
> - while (*lparenBuf != '(') lparenBuf++;
> - ReplaceText(startLoc, lparenBuf-startBuf+1, buf);
> -
> - buf = "; objc_sync_enter(_sync_obj);\n";
> - buf += "try {\n\tstruct _SYNC_EXIT { _SYNC_EXIT(id arg) : sync_exit(arg) {}";
> - buf += "\n\t~_SYNC_EXIT() {objc_sync_exit(sync_exit);}";
> - buf += "\n\tid sync_exit;";
> - buf += "\n\t} _sync_exit(_sync_obj);\n";
> -
> - // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since
> - // the sync expression is typically a message expression that's already
> - // been rewritten! (which implies the SourceLocation's are invalid).
> - SourceLocation RParenExprLoc = S->getSynchBody()->getLocStart();
> - const char *RParenExprLocBuf = SM->getCharacterData(RParenExprLoc);
> - while (*RParenExprLocBuf != ')') RParenExprLocBuf--;
> - RParenExprLoc = startLoc.getLocWithOffset(RParenExprLocBuf-startBuf);
> -
> - SourceLocation LBranceLoc = S->getSynchBody()->getLocStart();
> - const char *LBraceLocBuf = SM->getCharacterData(LBranceLoc);
> - assert (*LBraceLocBuf == '{');
> - ReplaceText(RParenExprLoc, (LBraceLocBuf - SM->getCharacterData(RParenExprLoc) + 1), buf);
> -
> - SourceLocation startRBraceLoc = S->getSynchBody()->getLocEnd();
> - assert((*SM->getCharacterData(startRBraceLoc) == '}') &&
> - "bogus @synchronized block");
> -
> - buf = "} catch (id e) {_rethrow = e;}\n";
> - Write_RethrowObject(buf);
> - buf += "}\n";
> - buf += "}\n";
> -
> - ReplaceText(startRBraceLoc, 1, buf);
> -
> - return nullptr;
> -}
> -
> -void RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S)
> -{
> - // Perform a bottom up traversal of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI)
> - WarnAboutReturnGotoStmts(*CI);
> -
> - if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) {
> - Diags.Report(Context->getFullLoc(S->getLocStart()),
> - TryFinallyContainsReturnDiag);
> - }
> - return;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCAutoreleasePoolStmt(ObjCAutoreleasePoolStmt *S) {
> - SourceLocation startLoc = S->getAtLoc();
> - ReplaceText(startLoc, strlen("@autoreleasepool"), "/* @autoreleasepool */");
> - ReplaceText(S->getSubStmt()->getLocStart(), 1,
> - "{ __AtAutoreleasePool __autoreleasepool; ");
> -
> - return nullptr;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) {
> - ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt();
> - bool noCatch = S->getNumCatchStmts() == 0;
> - std::string buf;
> - SourceLocation TryLocation = S->getAtTryLoc();
> - ConvertSourceLocationToLineDirective(TryLocation, buf);
> -
> - if (finalStmt) {
> - if (noCatch)
> - buf += "{ id volatile _rethrow = 0;\n";
> - else {
> - buf += "{ id volatile _rethrow = 0;\ntry {\n";
> - }
> - }
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @try location");
> - if (finalStmt)
> - ReplaceText(startLoc, 1, buf);
> - else
> - // @try -> try
> - ReplaceText(startLoc, 1, "");
> -
> - for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) {
> - ObjCAtCatchStmt *Catch = S->getCatchStmt(I);
> - VarDecl *catchDecl = Catch->getCatchParamDecl();
> -
> - startLoc = Catch->getLocStart();
> - bool AtRemoved = false;
> - if (catchDecl) {
> - QualType t = catchDecl->getType();
> - if (const ObjCObjectPointerType *Ptr = t->getAs<ObjCObjectPointerType>()) {
> - // Should be a pointer to a class.
> - ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface();
> - if (IDecl) {
> - std::string Result;
> - ConvertSourceLocationToLineDirective(Catch->getLocStart(), Result);
> -
> - startBuf = SM->getCharacterData(startLoc);
> - assert((*startBuf == '@') && "bogus @catch location");
> - SourceLocation rParenLoc = Catch->getRParenLoc();
> - const char *rParenBuf = SM->getCharacterData(rParenLoc);
> -
> - // _objc_exc_Foo *_e as argument to catch.
> - Result += "catch (_objc_exc_"; Result += IDecl->getNameAsString();
> - Result += " *_"; Result += catchDecl->getNameAsString();
> - Result += ")";
> - ReplaceText(startLoc, rParenBuf-startBuf+1, Result);
> - // Foo *e = (Foo *)_e;
> - Result.clear();
> - Result = "{ ";
> - Result += IDecl->getNameAsString();
> - Result += " *"; Result += catchDecl->getNameAsString();
> - Result += " = ("; Result += IDecl->getNameAsString(); Result += "*)";
> - Result += "_"; Result += catchDecl->getNameAsString();
> -
> - Result += "; ";
> - SourceLocation lBraceLoc = Catch->getCatchBody()->getLocStart();
> - ReplaceText(lBraceLoc, 1, Result);
> - AtRemoved = true;
> - }
> - }
> - }
> - if (!AtRemoved)
> - // @catch -> catch
> - ReplaceText(startLoc, 1, "");
> -
> - }
> - if (finalStmt) {
> - buf.clear();
> - SourceLocation FinallyLoc = finalStmt->getLocStart();
> -
> - if (noCatch) {
> - ConvertSourceLocationToLineDirective(FinallyLoc, buf);
> - buf += "catch (id e) {_rethrow = e;}\n";
> - }
> - else {
> - buf += "}\n";
> - ConvertSourceLocationToLineDirective(FinallyLoc, buf);
> - buf += "catch (id e) {_rethrow = e;}\n";
> - }
> -
> - SourceLocation startFinalLoc = finalStmt->getLocStart();
> - ReplaceText(startFinalLoc, 8, buf);
> - Stmt *body = finalStmt->getFinallyBody();
> - SourceLocation startFinalBodyLoc = body->getLocStart();
> - buf.clear();
> - Write_RethrowObject(buf);
> - ReplaceText(startFinalBodyLoc, 1, buf);
> -
> - SourceLocation endFinalBodyLoc = body->getLocEnd();
> - ReplaceText(endFinalBodyLoc, 1, "}\n}");
> - // Now check for any return/continue/go statements within the @try.
> - WarnAboutReturnGotoStmts(S->getTryBody());
> - }
> -
> - return nullptr;
> -}
> -
> -// This can't be done with ReplaceStmt(S, ThrowExpr), since
> -// the throw expression is typically a message expression that's already
> -// been rewritten! (which implies the SourceLocation's are invalid).
> -Stmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) {
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @throw location");
> -
> - std::string buf;
> - /* void objc_exception_throw(id) __attribute__((noreturn)); */
> - if (S->getThrowExpr())
> - buf = "objc_exception_throw(";
> - else
> - buf = "throw";
> -
> - // handle "@ throw" correctly.
> - const char *wBuf = strchr(startBuf, 'w');
> - assert((*wBuf == 'w') && "@throw: can't find 'w'");
> - ReplaceText(startLoc, wBuf-startBuf+1, buf);
> -
> - SourceLocation endLoc = S->getLocEnd();
> - const char *endBuf = SM->getCharacterData(endLoc);
> - const char *semiBuf = strchr(endBuf, ';');
> - assert((*semiBuf == ';') && "@throw: can't find ';'");
> - SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf);
> - if (S->getThrowExpr())
> - ReplaceText(semiLoc, 1, ");");
> - return nullptr;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) {
> - // Create a new string expression.
> - std::string StrEncoding;
> - Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding);
> - Expr *Replacement = getStringLiteral(StrEncoding);
> - ReplaceStmt(Exp, Replacement);
> -
> - // Replace this subexpr in the parent.
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return Replacement;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) {
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl");
> - // Create a call to sel_registerName("selName").
> - SmallVector<Expr*, 8> SelExprs;
> - SelExprs.push_back(getStringLiteral(Exp->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size());
> - ReplaceStmt(Exp, SelExp);
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return SelExp;
> -}
> -
> -CallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl(
> - FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc,
> - SourceLocation EndLoc) {
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = FD->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE =
> - new (Context) DeclRefExpr(FD, false, msgSendType, VK_LValue, SourceLocation());
> -
> - // Now, we cast the reference to a pointer to the objc_msgSend type.
> - QualType pToFunc = Context->getPointerType(msgSendType);
> - ImplicitCastExpr *ICE =
> - ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay,
> - DRE, nullptr, VK_RValue);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> -
> - CallExpr *Exp =
> - new (Context) CallExpr(*Context, ICE, llvm::makeArrayRef(args, nargs),
> - FT->getCallResultType(*Context),
> - VK_RValue, EndLoc);
> - return Exp;
> -}
> -
> -static bool scanForProtocolRefs(const char *startBuf, const char *endBuf,
> - const char *&startRef, const char *&endRef) {
> - while (startBuf < endBuf) {
> - if (*startBuf == '<')
> - startRef = startBuf; // mark the start.
> - if (*startBuf == '>') {
> - if (startRef && *startRef == '<') {
> - endRef = startBuf; // mark the end.
> - return true;
> - }
> - return false;
> - }
> - startBuf++;
> - }
> - return false;
> -}
> -
> -static void scanToNextArgument(const char *&argRef) {
> - int angle = 0;
> - while (*argRef != ')' && (*argRef != ',' || angle > 0)) {
> - if (*argRef == '<')
> - angle++;
> - else if (*argRef == '>')
> - angle--;
> - argRef++;
> - }
> - assert(angle == 0 && "scanToNextArgument - bad protocol type syntax");
> -}
> -
> -bool RewriteModernObjC::needToScanForQualifiers(QualType T) {
> - if (T->isObjCQualifiedIdType())
> - return true;
> - if (const PointerType *PT = T->getAs<PointerType>()) {
> - if (PT->getPointeeType()->isObjCQualifiedIdType())
> - return true;
> - }
> - if (T->isObjCObjectPointerType()) {
> - T = T->getPointeeType();
> - return T->isObjCQualifiedInterfaceType();
> - }
> - if (T->isArrayType()) {
> - QualType ElemTy = Context->getBaseElementType(T);
> - return needToScanForQualifiers(ElemTy);
> - }
> - return false;
> -}
> -
> -void RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) {
> - QualType Type = E->getType();
> - if (needToScanForQualifiers(Type)) {
> - SourceLocation Loc, EndLoc;
> -
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) {
> - Loc = ECE->getLParenLoc();
> - EndLoc = ECE->getRParenLoc();
> - } else {
> - Loc = E->getLocStart();
> - EndLoc = E->getLocEnd();
> - }
> - // This will defend against trying to rewrite synthesized expressions.
> - if (Loc.isInvalid() || EndLoc.isInvalid())
> - return;
> -
> - const char *startBuf = SM->getCharacterData(Loc);
> - const char *endBuf = SM->getCharacterData(EndLoc);
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf);
> - SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - }
> -}
> -
> -void RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) {
> - SourceLocation Loc;
> - QualType Type;
> - const FunctionProtoType *proto = nullptr;
> - if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) {
> - Loc = VD->getLocation();
> - Type = VD->getType();
> - }
> - else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) {
> - Loc = FD->getLocation();
> - // Check for ObjC 'id' and class types that have been adorned with protocol
> - // information (id<p>, C<p>*). The protocol references need to be rewritten!
> - const FunctionType *funcType = FD->getType()->getAs<FunctionType>();
> - assert(funcType && "missing function type");
> - proto = dyn_cast<FunctionProtoType>(funcType);
> - if (!proto)
> - return;
> - Type = proto->getReturnType();
> - }
> - else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) {
> - Loc = FD->getLocation();
> - Type = FD->getType();
> - }
> - else if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(Dcl)) {
> - Loc = TD->getLocation();
> - Type = TD->getUnderlyingType();
> - }
> - else
> - return;
> -
> - if (needToScanForQualifiers(Type)) {
> - // Since types are unique, we need to scan the buffer.
> -
> - const char *endBuf = SM->getCharacterData(Loc);
> - const char *startBuf = endBuf;
> - while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart)
> - startBuf--; // scan backward (from the decl location) for return type.
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf);
> - SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - }
> - if (!proto)
> - return; // most likely, was a variable
> - // Now check arguments.
> - const char *startBuf = SM->getCharacterData(Loc);
> - const char *startFuncBuf = startBuf;
> - for (unsigned i = 0; i < proto->getNumParams(); i++) {
> - if (needToScanForQualifiers(proto->getParamType(i))) {
> - // Since types are unique, we need to scan the buffer.
> -
> - const char *endBuf = startBuf;
> - // scan forward (from the decl location) for argument types.
> - scanToNextArgument(endBuf);
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc =
> - Loc.getLocWithOffset(startRef-startFuncBuf);
> - SourceLocation GreaterLoc =
> - Loc.getLocWithOffset(endRef-startFuncBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - startBuf = ++endBuf;
> - }
> - else {
> - // If the function name is derived from a macro expansion, then the
> - // argument buffer will not follow the name. Need to speak with Chris.
> - while (*startBuf && *startBuf != ')' && *startBuf != ',')
> - startBuf++; // scan forward (from the decl location) for argument types.
> - startBuf++;
> - }
> - }
> -}
> -
> -void RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) {
> - QualType QT = ND->getType();
> - const Type* TypePtr = QT->getAs<Type>();
> - if (!isa<TypeOfExprType>(TypePtr))
> - return;
> - while (isa<TypeOfExprType>(TypePtr)) {
> - const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr);
> - QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType();
> - TypePtr = QT->getAs<Type>();
> - }
> - // FIXME. This will not work for multiple declarators; as in:
> - // __typeof__(a) b,c,d;
> - std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy()));
> - SourceLocation DeclLoc = ND->getTypeSpecStartLoc();
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - if (ND->getInit()) {
> - std::string Name(ND->getNameAsString());
> - TypeAsString += " " + Name + " = ";
> - Expr *E = ND->getInit();
> - SourceLocation startLoc;
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E))
> - startLoc = ECE->getLParenLoc();
> - else
> - startLoc = E->getLocStart();
> - startLoc = SM->getExpansionLoc(startLoc);
> - const char *endBuf = SM->getCharacterData(startLoc);
> - ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString);
> - }
> - else {
> - SourceLocation X = ND->getLocEnd();
> - X = SM->getExpansionLoc(X);
> - const char *endBuf = SM->getCharacterData(X);
> - ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString);
> - }
> -}
> -
> -// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str);
> -void RewriteModernObjC::SynthSelGetUidFunctionDecl() {
> - IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getFuncType =
> - getSimpleFunctionType(Context->getObjCSelType(), ArgTys);
> - SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - SelGetUidIdent, getFuncType,
> - nullptr, SC_Extern);
> -}
> -
> -void RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) {
> - // declared in <objc/objc.h>
> - if (FD->getIdentifier() &&
> - FD->getName() == "sel_registerName") {
> - SelGetUidFunctionDecl = FD;
> - return;
> - }
> - RewriteObjCQualifiedInterfaceTypes(FD);
> -}
> -
> -void RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) {
> - std::string TypeString(Type.getAsString(Context->getPrintingPolicy()));
> - const char *argPtr = TypeString.c_str();
> - if (!strchr(argPtr, '^')) {
> - Str += TypeString;
> - return;
> - }
> - while (*argPtr) {
> - Str += (*argPtr == '^' ? '*' : *argPtr);
> - argPtr++;
> - }
> -}
> -
> -// FIXME. Consolidate this routine with RewriteBlockPointerType.
> -void RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str,
> - ValueDecl *VD) {
> - QualType Type = VD->getType();
> - std::string TypeString(Type.getAsString(Context->getPrintingPolicy()));
> - const char *argPtr = TypeString.c_str();
> - int paren = 0;
> - while (*argPtr) {
> - switch (*argPtr) {
> - case '(':
> - Str += *argPtr;
> - paren++;
> - break;
> - case ')':
> - Str += *argPtr;
> - paren--;
> - break;
> - case '^':
> - Str += '*';
> - if (paren == 1)
> - Str += VD->getNameAsString();
> - break;
> - default:
> - Str += *argPtr;
> - break;
> - }
> - argPtr++;
> - }
> -}
> -
> -void RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) {
> - SourceLocation FunLocStart = FD->getTypeSpecStartLoc();
> - const FunctionType *funcType = FD->getType()->getAs<FunctionType>();
> - const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType);
> - if (!proto)
> - return;
> - QualType Type = proto->getReturnType();
> - std::string FdStr = Type.getAsString(Context->getPrintingPolicy());
> - FdStr += " ";
> - FdStr += FD->getName();
> - FdStr += "(";
> - unsigned numArgs = proto->getNumParams();
> - for (unsigned i = 0; i < numArgs; i++) {
> - QualType ArgType = proto->getParamType(i);
> - RewriteBlockPointerType(FdStr, ArgType);
> - if (i+1 < numArgs)
> - FdStr += ", ";
> - }
> - if (FD->isVariadic()) {
> - FdStr += (numArgs > 0) ? ", ...);\n" : "...);\n";
> - }
> - else
> - FdStr += ");\n";
> - InsertText(FunLocStart, FdStr);
> -}
> -
> -// SynthSuperConstructorFunctionDecl - id __rw_objc_super(id obj, id super);
> -void RewriteModernObjC::SynthSuperConstructorFunctionDecl() {
> - if (SuperConstructorFunctionDecl)
> - return;
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys);
> - SuperConstructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...);
> -void RewriteModernObjC::SynthMsgSendFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType, nullptr,
> - SC_Extern);
> -}
> -
> -// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(void);
> -void RewriteModernObjC::SynthMsgSendSuperFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper");
> - SmallVector<QualType, 2> ArgTys;
> - ArgTys.push_back(Context->VoidTy);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...);
> -void RewriteModernObjC::SynthMsgSendStretFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendSuperStretFunctionDecl -
> -// id objc_msgSendSuper_stret(void);
> -void RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() {
> - IdentifierInfo *msgSendIdent =
> - &Context->Idents.get("objc_msgSendSuper_stret");
> - SmallVector<QualType, 2> ArgTys;
> - ArgTys.push_back(Context->VoidTy);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent,
> - msgSendType, nullptr,
> - SC_Extern);
> -}
> -
> -// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...);
> -void RewriteModernObjC::SynthMsgSendFpretFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->DoubleTy,
> - ArgTys, /*isVariadic=*/true);
> - MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthGetClassFunctionDecl - Class objc_getClass(const char *name);
> -void RewriteModernObjC::SynthGetClassFunctionDecl() {
> - IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(),
> - ArgTys);
> - GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getClassIdent, getClassType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls);
> -void RewriteModernObjC::SynthGetSuperClassFunctionDecl() {
> - IdentifierInfo *getSuperClassIdent =
> - &Context->Idents.get("class_getSuperclass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getObjCClassType());
> - QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(),
> - ArgTys);
> - GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getSuperClassIdent,
> - getClassType, nullptr,
> - SC_Extern);
> -}
> -
> -// SynthGetMetaClassFunctionDecl - Class objc_getMetaClass(const char *name);
> -void RewriteModernObjC::SynthGetMetaClassFunctionDecl() {
> - IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(),
> - ArgTys);
> - GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getClassIdent, getClassType,
> - nullptr, SC_Extern);
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) {
> - assert (Exp != nullptr && "Expected non-null ObjCStringLiteral");
> - QualType strType = getConstantStringStructType();
> -
> - std::string S = "__NSConstantStringImpl_";
> -
> - std::string tmpName = InFileName;
> - unsigned i;
> - for (i=0; i < tmpName.length(); i++) {
> - char c = tmpName.at(i);
> - // replace any non-alphanumeric characters with '_'.
> - if (!isAlphanumeric(c))
> - tmpName[i] = '_';
> - }
> - S += tmpName;
> - S += "_";
> - S += utostr(NumObjCStringLiterals++);
> -
> - Preamble += "static __NSConstantStringImpl " + S;
> - Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,";
> - Preamble += "0x000007c8,"; // utf8_str
> - // The pretty printer for StringLiteral handles escape characters properly.
> - std::string prettyBufS;
> - llvm::raw_string_ostream prettyBuf(prettyBufS);
> - Exp->getString()->printPretty(prettyBuf, nullptr, PrintingPolicy(LangOpts));
> - Preamble += prettyBuf.str();
> - Preamble += ",";
> - Preamble += utostr(Exp->getString()->getByteLength()) + "};\n";
> -
> - VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), &Context->Idents.get(S),
> - strType, nullptr, SC_Static);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, strType, VK_LValue,
> - SourceLocation());
> - Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf,
> - Context->getPointerType(DRE->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - // cast to NSConstantString *
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(),
> - CK_CPointerToObjCPointerCast, Unop);
> - ReplaceStmt(Exp, cast);
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return cast;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Exp) {
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> -
> - Expr *FlagExp = IntegerLiteral::Create(*Context,
> - llvm::APInt(IntSize, Exp->getValue()),
> - Context->IntTy, Exp->getLocation());
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Context->ObjCBuiltinBoolTy,
> - CK_BitCast, FlagExp);
> - ParenExpr *PE = new (Context) ParenExpr(Exp->getLocation(), Exp->getExprLoc(),
> - cast);
> - ReplaceStmt(Exp, PE);
> - return PE;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCBoxedExpr(ObjCBoxedExpr *Exp) {
> - // synthesize declaration of helper functions needed in this routine.
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - // use objc_msgSend() for all.
> - if (!MsgSendFunctionDecl)
> - SynthMsgSendFunctionDecl();
> - if (!GetClassFunctionDecl)
> - SynthGetClassFunctionDecl();
> -
> - FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl;
> - SourceLocation StartLoc = Exp->getLocStart();
> - SourceLocation EndLoc = Exp->getLocEnd();
> -
> - // Synthesize a call to objc_msgSend().
> - SmallVector<Expr*, 4> MsgExprs;
> - SmallVector<Expr*, 4> ClsExprs;
> -
> - // Create a call to objc_getClass("<BoxingClass>"). It will be the 1st argument.
> - ObjCMethodDecl *BoxingMethod = Exp->getBoxingMethod();
> - ObjCInterfaceDecl *BoxingClass = BoxingMethod->getClassInterface();
> -
> - IdentifierInfo *clsName = BoxingClass->getIdentifier();
> - ClsExprs.push_back(getStringLiteral(clsName->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(Cls);
> -
> - // Create a call to sel_registerName("<BoxingMethod>:"), etc.
> - // it will be the 2nd argument.
> - SmallVector<Expr*, 4> SelExprs;
> - SelExprs.push_back(
> - getStringLiteral(BoxingMethod->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(SelExp);
> -
> - // User provided sub-expression is the 3rd, and last, argument.
> - Expr *subExpr = Exp->getSubExpr();
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(subExpr)) {
> - QualType type = ICE->getType();
> - const Expr *SubExpr = ICE->IgnoreParenImpCasts();
> - CastKind CK = CK_BitCast;
> - if (SubExpr->getType()->isIntegralType(*Context) && type->isBooleanType())
> - CK = CK_IntegralToBoolean;
> - subExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, subExpr);
> - }
> - MsgExprs.push_back(subExpr);
> -
> - SmallVector<QualType, 4> ArgTypes;
> - ArgTypes.push_back(Context->getObjCIdType());
> - ArgTypes.push_back(Context->getObjCSelType());
> - for (const auto PI : BoxingMethod->parameters())
> - ArgTypes.push_back(PI->getType());
> -
> - QualType returnType = Exp->getType();
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = MsgSendFlavor->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, DRE);
> -
> - // Now do the "normal" pointer to function cast.
> - QualType castType =
> - getSimpleFunctionType(returnType, ArgTypes, BoxingMethod->isVariadic());
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *CE = new (Context)
> - CallExpr(*Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, EndLoc);
> - ReplaceStmt(Exp, CE);
> - return CE;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCArrayLiteralExpr(ObjCArrayLiteral *Exp) {
> - // synthesize declaration of helper functions needed in this routine.
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - // use objc_msgSend() for all.
> - if (!MsgSendFunctionDecl)
> - SynthMsgSendFunctionDecl();
> - if (!GetClassFunctionDecl)
> - SynthGetClassFunctionDecl();
> -
> - FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl;
> - SourceLocation StartLoc = Exp->getLocStart();
> - SourceLocation EndLoc = Exp->getLocEnd();
> -
> - // Build the expression: __NSContainer_literal(int, ...).arr
> - QualType IntQT = Context->IntTy;
> - QualType NSArrayFType =
> - getSimpleFunctionType(Context->VoidTy, IntQT, true);
> - std::string NSArrayFName("__NSContainer_literal");
> - FunctionDecl *NSArrayFD = SynthBlockInitFunctionDecl(NSArrayFName);
> - DeclRefExpr *NSArrayDRE =
> - new (Context) DeclRefExpr(NSArrayFD, false, NSArrayFType, VK_RValue,
> - SourceLocation());
> -
> - SmallVector<Expr*, 16> InitExprs;
> - unsigned NumElements = Exp->getNumElements();
> - unsigned UnsignedIntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy));
> - Expr *count = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, NumElements),
> - Context->UnsignedIntTy, SourceLocation());
> - InitExprs.push_back(count);
> - for (unsigned i = 0; i < NumElements; i++)
> - InitExprs.push_back(Exp->getElement(i));
> - Expr *NSArrayCallExpr =
> - new (Context) CallExpr(*Context, NSArrayDRE, InitExprs,
> - NSArrayFType, VK_LValue, SourceLocation());
> -
> - FieldDecl *ARRFD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("arr"),
> - Context->getPointerType(Context->VoidPtrTy),
> - nullptr, /*BitWidth=*/nullptr,
> - /*Mutable=*/true, ICIS_NoInit);
> - MemberExpr *ArrayLiteralME =
> - new (Context) MemberExpr(NSArrayCallExpr, false, ARRFD,
> - SourceLocation(),
> - ARRFD->getType(), VK_LValue,
> - OK_Ordinary);
> - QualType ConstIdT = Context->getObjCIdType().withConst();
> - CStyleCastExpr * ArrayLiteralObjects =
> - NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(ConstIdT),
> - CK_BitCast,
> - ArrayLiteralME);
> -
> - // Synthesize a call to objc_msgSend().
> - SmallVector<Expr*, 32> MsgExprs;
> - SmallVector<Expr*, 4> ClsExprs;
> - QualType expType = Exp->getType();
> -
> - // Create a call to objc_getClass("NSArray"). It will be th 1st argument.
> - ObjCInterfaceDecl *Class =
> - expType->getPointeeType()->getAs<ObjCObjectType>()->getInterface();
> -
> - IdentifierInfo *clsName = Class->getIdentifier();
> - ClsExprs.push_back(getStringLiteral(clsName->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(Cls);
> -
> - // Create a call to sel_registerName("arrayWithObjects:count:").
> - // it will be the 2nd argument.
> - SmallVector<Expr*, 4> SelExprs;
> - ObjCMethodDecl *ArrayMethod = Exp->getArrayWithObjectsMethod();
> - SelExprs.push_back(
> - getStringLiteral(ArrayMethod->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(SelExp);
> -
> - // (const id [])objects
> - MsgExprs.push_back(ArrayLiteralObjects);
> -
> - // (NSUInteger)cnt
> - Expr *cnt = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, NumElements),
> - Context->UnsignedIntTy, SourceLocation());
> - MsgExprs.push_back(cnt);
> -
> -
> - SmallVector<QualType, 4> ArgTypes;
> - ArgTypes.push_back(Context->getObjCIdType());
> - ArgTypes.push_back(Context->getObjCSelType());
> - for (const auto *PI : ArrayMethod->params())
> - ArgTypes.push_back(PI->getType());
> -
> - QualType returnType = Exp->getType();
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = MsgSendFlavor->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, DRE);
> -
> - // Now do the "normal" pointer to function cast.
> - QualType castType =
> - getSimpleFunctionType(returnType, ArgTypes, ArrayMethod->isVariadic());
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *CE = new (Context)
> - CallExpr(*Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, EndLoc);
> - ReplaceStmt(Exp, CE);
> - return CE;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCDictionaryLiteralExpr(ObjCDictionaryLiteral *Exp) {
> - // synthesize declaration of helper functions needed in this routine.
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - // use objc_msgSend() for all.
> - if (!MsgSendFunctionDecl)
> - SynthMsgSendFunctionDecl();
> - if (!GetClassFunctionDecl)
> - SynthGetClassFunctionDecl();
> -
> - FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl;
> - SourceLocation StartLoc = Exp->getLocStart();
> - SourceLocation EndLoc = Exp->getLocEnd();
> -
> - // Build the expression: __NSContainer_literal(int, ...).arr
> - QualType IntQT = Context->IntTy;
> - QualType NSDictFType =
> - getSimpleFunctionType(Context->VoidTy, IntQT, true);
> - std::string NSDictFName("__NSContainer_literal");
> - FunctionDecl *NSDictFD = SynthBlockInitFunctionDecl(NSDictFName);
> - DeclRefExpr *NSDictDRE =
> - new (Context) DeclRefExpr(NSDictFD, false, NSDictFType, VK_RValue,
> - SourceLocation());
> -
> - SmallVector<Expr*, 16> KeyExprs;
> - SmallVector<Expr*, 16> ValueExprs;
> -
> - unsigned NumElements = Exp->getNumElements();
> - unsigned UnsignedIntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy));
> - Expr *count = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, NumElements),
> - Context->UnsignedIntTy, SourceLocation());
> - KeyExprs.push_back(count);
> - ValueExprs.push_back(count);
> - for (unsigned i = 0; i < NumElements; i++) {
> - ObjCDictionaryElement Element = Exp->getKeyValueElement(i);
> - KeyExprs.push_back(Element.Key);
> - ValueExprs.push_back(Element.Value);
> - }
> -
> - // (const id [])objects
> - Expr *NSValueCallExpr =
> - new (Context) CallExpr(*Context, NSDictDRE, ValueExprs,
> - NSDictFType, VK_LValue, SourceLocation());
> -
> - FieldDecl *ARRFD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("arr"),
> - Context->getPointerType(Context->VoidPtrTy),
> - nullptr, /*BitWidth=*/nullptr,
> - /*Mutable=*/true, ICIS_NoInit);
> - MemberExpr *DictLiteralValueME =
> - new (Context) MemberExpr(NSValueCallExpr, false, ARRFD,
> - SourceLocation(),
> - ARRFD->getType(), VK_LValue,
> - OK_Ordinary);
> - QualType ConstIdT = Context->getObjCIdType().withConst();
> - CStyleCastExpr * DictValueObjects =
> - NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(ConstIdT),
> - CK_BitCast,
> - DictLiteralValueME);
> - // (const id <NSCopying> [])keys
> - Expr *NSKeyCallExpr =
> - new (Context) CallExpr(*Context, NSDictDRE, KeyExprs,
> - NSDictFType, VK_LValue, SourceLocation());
> -
> - MemberExpr *DictLiteralKeyME =
> - new (Context) MemberExpr(NSKeyCallExpr, false, ARRFD,
> - SourceLocation(),
> - ARRFD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> - CStyleCastExpr * DictKeyObjects =
> - NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(ConstIdT),
> - CK_BitCast,
> - DictLiteralKeyME);
> -
> -
> -
> - // Synthesize a call to objc_msgSend().
> - SmallVector<Expr*, 32> MsgExprs;
> - SmallVector<Expr*, 4> ClsExprs;
> - QualType expType = Exp->getType();
> -
> - // Create a call to objc_getClass("NSArray"). It will be th 1st argument.
> - ObjCInterfaceDecl *Class =
> - expType->getPointeeType()->getAs<ObjCObjectType>()->getInterface();
> -
> - IdentifierInfo *clsName = Class->getIdentifier();
> - ClsExprs.push_back(getStringLiteral(clsName->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(Cls);
> -
> - // Create a call to sel_registerName("arrayWithObjects:count:").
> - // it will be the 2nd argument.
> - SmallVector<Expr*, 4> SelExprs;
> - ObjCMethodDecl *DictMethod = Exp->getDictWithObjectsMethod();
> - SelExprs.push_back(getStringLiteral(DictMethod->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(SelExp);
> -
> - // (const id [])objects
> - MsgExprs.push_back(DictValueObjects);
> -
> - // (const id <NSCopying> [])keys
> - MsgExprs.push_back(DictKeyObjects);
> -
> - // (NSUInteger)cnt
> - Expr *cnt = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, NumElements),
> - Context->UnsignedIntTy, SourceLocation());
> - MsgExprs.push_back(cnt);
> -
> -
> - SmallVector<QualType, 8> ArgTypes;
> - ArgTypes.push_back(Context->getObjCIdType());
> - ArgTypes.push_back(Context->getObjCSelType());
> - for (const auto *PI : DictMethod->params()) {
> - QualType T = PI->getType();
> - if (const PointerType* PT = T->getAs<PointerType>()) {
> - QualType PointeeTy = PT->getPointeeType();
> - convertToUnqualifiedObjCType(PointeeTy);
> - T = Context->getPointerType(PointeeTy);
> - }
> - ArgTypes.push_back(T);
> - }
> -
> - QualType returnType = Exp->getType();
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = MsgSendFlavor->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, DRE);
> -
> - // Now do the "normal" pointer to function cast.
> - QualType castType =
> - getSimpleFunctionType(returnType, ArgTypes, DictMethod->isVariadic());
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *CE = new (Context)
> - CallExpr(*Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, EndLoc);
> - ReplaceStmt(Exp, CE);
> - return CE;
> -}
> -
> -// struct __rw_objc_super {
> -// struct objc_object *object; struct objc_object *superClass;
> -// };
> -QualType RewriteModernObjC::getSuperStructType() {
> - if (!SuperStructDecl) {
> - SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("__rw_objc_super"));
> - QualType FieldTypes[2];
> -
> - // struct objc_object *object;
> - FieldTypes[0] = Context->getObjCIdType();
> - // struct objc_object *superClass;
> - FieldTypes[1] = Context->getObjCIdType();
> -
> - // Create fields
> - for (unsigned i = 0; i < 2; ++i) {
> - SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl,
> - SourceLocation(),
> - SourceLocation(), nullptr,
> - FieldTypes[i], nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/false,
> - ICIS_NoInit));
> - }
> -
> - SuperStructDecl->completeDefinition();
> - }
> - return Context->getTagDeclType(SuperStructDecl);
> -}
> -
> -QualType RewriteModernObjC::getConstantStringStructType() {
> - if (!ConstantStringDecl) {
> - ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("__NSConstantStringImpl"));
> - QualType FieldTypes[4];
> -
> - // struct objc_object *receiver;
> - FieldTypes[0] = Context->getObjCIdType();
> - // int flags;
> - FieldTypes[1] = Context->IntTy;
> - // char *str;
> - FieldTypes[2] = Context->getPointerType(Context->CharTy);
> - // long length;
> - FieldTypes[3] = Context->LongTy;
> -
> - // Create fields
> - for (unsigned i = 0; i < 4; ++i) {
> - ConstantStringDecl->addDecl(FieldDecl::Create(*Context,
> - ConstantStringDecl,
> - SourceLocation(),
> - SourceLocation(), nullptr,
> - FieldTypes[i], nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/true,
> - ICIS_NoInit));
> - }
> -
> - ConstantStringDecl->completeDefinition();
> - }
> - return Context->getTagDeclType(ConstantStringDecl);
> -}
> -
> -/// getFunctionSourceLocation - returns start location of a function
> -/// definition. Complication arises when function has declared as
> -/// extern "C" or extern "C" {...}
> -static SourceLocation getFunctionSourceLocation (RewriteModernObjC &R,
> - FunctionDecl *FD) {
> - if (FD->isExternC() && !FD->isMain()) {
> - const DeclContext *DC = FD->getDeclContext();
> - if (const LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(DC))
> - // if it is extern "C" {...}, return function decl's own location.
> - if (!LSD->getRBraceLoc().isValid())
> - return LSD->getExternLoc();
> - }
> - if (FD->getStorageClass() != SC_None)
> - R.RewriteBlockLiteralFunctionDecl(FD);
> - return FD->getTypeSpecStartLoc();
> -}
> -
> -void RewriteModernObjC::RewriteLineDirective(const Decl *D) {
> -
> - SourceLocation Location = D->getLocation();
> -
> - if (Location.isFileID() && GenerateLineInfo) {
> - std::string LineString("\n#line ");
> - PresumedLoc PLoc = SM->getPresumedLoc(Location);
> - LineString += utostr(PLoc.getLine());
> - LineString += " \"";
> - LineString += Lexer::Stringify(PLoc.getFilename());
> - if (isa<ObjCMethodDecl>(D))
> - LineString += "\"";
> - else LineString += "\"\n";
> -
> - Location = D->getLocStart();
> - if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
> - if (FD->isExternC() && !FD->isMain()) {
> - const DeclContext *DC = FD->getDeclContext();
> - if (const LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(DC))
> - // if it is extern "C" {...}, return function decl's own location.
> - if (!LSD->getRBraceLoc().isValid())
> - Location = LSD->getExternLoc();
> - }
> - }
> - InsertText(Location, LineString);
> - }
> -}
> -
> -/// SynthMsgSendStretCallExpr - This routine translates message expression
> -/// into a call to objc_msgSend_stret() entry point. Tricky part is that
> -/// nil check on receiver must be performed before calling objc_msgSend_stret.
> -/// MsgSendStretFlavor - function declaration objc_msgSend_stret(...)
> -/// msgSendType - function type of objc_msgSend_stret(...)
> -/// returnType - Result type of the method being synthesized.
> -/// ArgTypes - type of the arguments passed to objc_msgSend_stret, starting with receiver type.
> -/// MsgExprs - list of argument expressions being passed to objc_msgSend_stret,
> -/// starting with receiver.
> -/// Method - Method being rewritten.
> -Expr *RewriteModernObjC::SynthMsgSendStretCallExpr(FunctionDecl *MsgSendStretFlavor,
> - QualType returnType,
> - SmallVectorImpl<QualType> &ArgTypes,
> - SmallVectorImpl<Expr*> &MsgExprs,
> - ObjCMethodDecl *Method) {
> - // Now do the "normal" pointer to function cast.
> - QualType castType = getSimpleFunctionType(returnType, ArgTypes,
> - Method ? Method->isVariadic()
> - : false);
> - castType = Context->getPointerType(castType);
> -
> - // build type for containing the objc_msgSend_stret object.
> - static unsigned stretCount=0;
> - std::string name = "__Stret"; name += utostr(stretCount);
> - std::string str =
> - "extern \"C\" void * __cdecl memset(void *_Dst, int _Val, size_t _Size);\n";
> - str += "namespace {\n";
> - str += "struct "; str += name;
> - str += " {\n\t";
> - str += name;
> - str += "(id receiver, SEL sel";
> - for (unsigned i = 2; i < ArgTypes.size(); i++) {
> - std::string ArgName = "arg"; ArgName += utostr(i);
> - ArgTypes[i].getAsStringInternal(ArgName, Context->getPrintingPolicy());
> - str += ", "; str += ArgName;
> - }
> - // could be vararg.
> - for (unsigned i = ArgTypes.size(); i < MsgExprs.size(); i++) {
> - std::string ArgName = "arg"; ArgName += utostr(i);
> - MsgExprs[i]->getType().getAsStringInternal(ArgName,
> - Context->getPrintingPolicy());
> - str += ", "; str += ArgName;
> - }
> -
> - str += ") {\n";
> - str += "\t unsigned size = sizeof(";
> - str += returnType.getAsString(Context->getPrintingPolicy()); str += ");\n";
> -
> - str += "\t if (size == 1 || size == 2 || size == 4 || size == 8)\n";
> -
> - str += "\t s = (("; str += castType.getAsString(Context->getPrintingPolicy());
> - str += ")(void *)objc_msgSend)(receiver, sel";
> - for (unsigned i = 2; i < ArgTypes.size(); i++) {
> - str += ", arg"; str += utostr(i);
> - }
> - // could be vararg.
> - for (unsigned i = ArgTypes.size(); i < MsgExprs.size(); i++) {
> - str += ", arg"; str += utostr(i);
> - }
> - str+= ");\n";
> -
> - str += "\t else if (receiver == 0)\n";
> - str += "\t memset((void*)&s, 0, sizeof(s));\n";
> - str += "\t else\n";
> -
> -
> - str += "\t s = (("; str += castType.getAsString(Context->getPrintingPolicy());
> - str += ")(void *)objc_msgSend_stret)(receiver, sel";
> - for (unsigned i = 2; i < ArgTypes.size(); i++) {
> - str += ", arg"; str += utostr(i);
> - }
> - // could be vararg.
> - for (unsigned i = ArgTypes.size(); i < MsgExprs.size(); i++) {
> - str += ", arg"; str += utostr(i);
> - }
> - str += ");\n";
> -
> -
> - str += "\t}\n";
> - str += "\t"; str += returnType.getAsString(Context->getPrintingPolicy());
> - str += " s;\n";
> - str += "};\n};\n\n";
> - SourceLocation FunLocStart;
> - if (CurFunctionDef)
> - FunLocStart = getFunctionSourceLocation(*this, CurFunctionDef);
> - else {
> - assert(CurMethodDef && "SynthMsgSendStretCallExpr - CurMethodDef is null");
> - FunLocStart = CurMethodDef->getLocStart();
> - }
> -
> - InsertText(FunLocStart, str);
> - ++stretCount;
> -
> - // AST for __Stretn(receiver, args).s;
> - IdentifierInfo *ID = &Context->Idents.get(name);
> - FunctionDecl *FD = FunctionDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), ID, castType,
> - nullptr, SC_Extern, false, false);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, castType, VK_RValue,
> - SourceLocation());
> - CallExpr *STCE = new (Context) CallExpr(*Context, DRE, MsgExprs,
> - castType, VK_LValue, SourceLocation());
> -
> - FieldDecl *FieldD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("s"),
> - returnType, nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/true, ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(STCE, false, FieldD, SourceLocation(),
> - FieldD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> - return ME;
> -}
> -
> -Stmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp,
> - SourceLocation StartLoc,
> - SourceLocation EndLoc) {
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - if (!MsgSendFunctionDecl)
> - SynthMsgSendFunctionDecl();
> - if (!MsgSendSuperFunctionDecl)
> - SynthMsgSendSuperFunctionDecl();
> - if (!MsgSendStretFunctionDecl)
> - SynthMsgSendStretFunctionDecl();
> - if (!MsgSendSuperStretFunctionDecl)
> - SynthMsgSendSuperStretFunctionDecl();
> - if (!MsgSendFpretFunctionDecl)
> - SynthMsgSendFpretFunctionDecl();
> - if (!GetClassFunctionDecl)
> - SynthGetClassFunctionDecl();
> - if (!GetSuperClassFunctionDecl)
> - SynthGetSuperClassFunctionDecl();
> - if (!GetMetaClassFunctionDecl)
> - SynthGetMetaClassFunctionDecl();
> -
> - // default to objc_msgSend().
> - FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl;
> - // May need to use objc_msgSend_stret() as well.
> - FunctionDecl *MsgSendStretFlavor = nullptr;
> - if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) {
> - QualType resultType = mDecl->getReturnType();
> - if (resultType->isRecordType())
> - MsgSendStretFlavor = MsgSendStretFunctionDecl;
> - else if (resultType->isRealFloatingType())
> - MsgSendFlavor = MsgSendFpretFunctionDecl;
> - }
> -
> - // Synthesize a call to objc_msgSend().
> - SmallVector<Expr*, 8> MsgExprs;
> - switch (Exp->getReceiverKind()) {
> - case ObjCMessageExpr::SuperClass: {
> - MsgSendFlavor = MsgSendSuperFunctionDecl;
> - if (MsgSendStretFlavor)
> - MsgSendStretFlavor = MsgSendSuperStretFunctionDecl;
> - assert(MsgSendFlavor && "MsgSendFlavor is NULL!");
> -
> - ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface();
> -
> - SmallVector<Expr*, 4> InitExprs;
> -
> - // set the receiver to self, the first argument to all methods.
> - InitExprs.push_back(
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast,
> - new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(),
> - false,
> - Context->getObjCIdType(),
> - VK_RValue,
> - SourceLocation()))
> - ); // set the 'receiver'.
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - SmallVector<Expr*, 8> ClsExprs;
> - ClsExprs.push_back(getStringLiteral(ClassDecl->getIdentifier()->getName()));
> - // (Class)objc_getClass("CurrentClass")
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc,
> - EndLoc);
> - ClsExprs.clear();
> - ClsExprs.push_back(Cls);
> - Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl,
> - &ClsExprs[0], ClsExprs.size(),
> - StartLoc, EndLoc);
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - // To turn off a warning, type-cast to 'id'
> - InitExprs.push_back( // set 'super class', using class_getSuperclass().
> - NoTypeInfoCStyleCastExpr(Context,
> - Context->getObjCIdType(),
> - CK_BitCast, Cls));
> - // struct __rw_objc_super
> - QualType superType = getSuperStructType();
> - Expr *SuperRep;
> -
> - if (LangOpts.MicrosoftExt) {
> - SynthSuperConstructorFunctionDecl();
> - // Simulate a constructor call...
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperConstructorFunctionDecl,
> - false, superType, VK_LValue,
> - SourceLocation());
> - SuperRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - superType, VK_LValue,
> - SourceLocation());
> - // The code for super is a little tricky to prevent collision with
> - // the structure definition in the header. The rewriter has it's own
> - // internal definition (__rw_objc_super) that is uses. This is why
> - // we need the cast below. For example:
> - // (struct __rw_objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER"))
> - //
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - SuperRep = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(superType),
> - CK_BitCast, SuperRep);
> - } else {
> - // (struct __rw_objc_super) { <exprs from above> }
> - InitListExpr *ILE =
> - new (Context) InitListExpr(*Context, SourceLocation(), InitExprs,
> - SourceLocation());
> - TypeSourceInfo *superTInfo
> - = Context->getTrivialTypeSourceInfo(superType);
> - SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo,
> - superType, VK_LValue,
> - ILE, false);
> - // struct __rw_objc_super *
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - }
> - MsgExprs.push_back(SuperRep);
> - break;
> - }
> -
> - case ObjCMessageExpr::Class: {
> - SmallVector<Expr*, 8> ClsExprs;
> - ObjCInterfaceDecl *Class
> - = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface();
> - IdentifierInfo *clsName = Class->getIdentifier();
> - ClsExprs.push_back(getStringLiteral(clsName->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context,
> - Context->getObjCIdType(),
> - CK_BitCast, Cls);
> - MsgExprs.push_back(ArgExpr);
> - break;
> - }
> -
> - case ObjCMessageExpr::SuperInstance:{
> - MsgSendFlavor = MsgSendSuperFunctionDecl;
> - if (MsgSendStretFlavor)
> - MsgSendStretFlavor = MsgSendSuperStretFunctionDecl;
> - assert(MsgSendFlavor && "MsgSendFlavor is NULL!");
> - ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface();
> - SmallVector<Expr*, 4> InitExprs;
> -
> - InitExprs.push_back(
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast,
> - new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(),
> - false,
> - Context->getObjCIdType(),
> - VK_RValue, SourceLocation()))
> - ); // set the 'receiver'.
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - SmallVector<Expr*, 8> ClsExprs;
> - ClsExprs.push_back(getStringLiteral(ClassDecl->getIdentifier()->getName()));
> - // (Class)objc_getClass("CurrentClass")
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - ClsExprs.clear();
> - ClsExprs.push_back(Cls);
> - Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl,
> - &ClsExprs[0], ClsExprs.size(),
> - StartLoc, EndLoc);
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - // To turn off a warning, type-cast to 'id'
> - InitExprs.push_back(
> - // set 'super class', using class_getSuperclass().
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast, Cls));
> - // struct __rw_objc_super
> - QualType superType = getSuperStructType();
> - Expr *SuperRep;
> -
> - if (LangOpts.MicrosoftExt) {
> - SynthSuperConstructorFunctionDecl();
> - // Simulate a constructor call...
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperConstructorFunctionDecl,
> - false, superType, VK_LValue,
> - SourceLocation());
> - SuperRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - superType, VK_LValue, SourceLocation());
> - // The code for super is a little tricky to prevent collision with
> - // the structure definition in the header. The rewriter has it's own
> - // internal definition (__rw_objc_super) that is uses. This is why
> - // we need the cast below. For example:
> - // (struct __rw_objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER"))
> - //
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - SuperRep = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(superType),
> - CK_BitCast, SuperRep);
> - } else {
> - // (struct __rw_objc_super) { <exprs from above> }
> - InitListExpr *ILE =
> - new (Context) InitListExpr(*Context, SourceLocation(), InitExprs,
> - SourceLocation());
> - TypeSourceInfo *superTInfo
> - = Context->getTrivialTypeSourceInfo(superType);
> - SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo,
> - superType, VK_RValue, ILE,
> - false);
> - }
> - MsgExprs.push_back(SuperRep);
> - break;
> - }
> -
> - case ObjCMessageExpr::Instance: {
> - // Remove all type-casts because it may contain objc-style types; e.g.
> - // Foo<Proto> *.
> - Expr *recExpr = Exp->getInstanceReceiver();
> - while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr))
> - recExpr = CE->getSubExpr();
> - CastKind CK = recExpr->getType()->isObjCObjectPointerType()
> - ? CK_BitCast : recExpr->getType()->isBlockPointerType()
> - ? CK_BlockPointerToObjCPointerCast
> - : CK_CPointerToObjCPointerCast;
> -
> - recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK, recExpr);
> - MsgExprs.push_back(recExpr);
> - break;
> - }
> - }
> -
> - // Create a call to sel_registerName("selName"), it will be the 2nd argument.
> - SmallVector<Expr*, 8> SelExprs;
> - SelExprs.push_back(getStringLiteral(Exp->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size(),
> - StartLoc,
> - EndLoc);
> - MsgExprs.push_back(SelExp);
> -
> - // Now push any user supplied arguments.
> - for (unsigned i = 0; i < Exp->getNumArgs(); i++) {
> - Expr *userExpr = Exp->getArg(i);
> - // Make all implicit casts explicit...ICE comes in handy:-)
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) {
> - // Reuse the ICE type, it is exactly what the doctor ordered.
> - QualType type = ICE->getType();
> - if (needToScanForQualifiers(type))
> - type = Context->getObjCIdType();
> - // Make sure we convert "type (^)(...)" to "type (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(type);
> - const Expr *SubExpr = ICE->IgnoreParenImpCasts();
> - CastKind CK;
> - if (SubExpr->getType()->isIntegralType(*Context) &&
> - type->isBooleanType()) {
> - CK = CK_IntegralToBoolean;
> - } else if (type->isObjCObjectPointerType()) {
> - if (SubExpr->getType()->isBlockPointerType()) {
> - CK = CK_BlockPointerToObjCPointerCast;
> - } else if (SubExpr->getType()->isPointerType()) {
> - CK = CK_CPointerToObjCPointerCast;
> - } else {
> - CK = CK_BitCast;
> - }
> - } else {
> - CK = CK_BitCast;
> - }
> -
> - userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr);
> - }
> - // Make id<P...> cast into an 'id' cast.
> - else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) {
> - if (CE->getType()->isObjCQualifiedIdType()) {
> - while ((CE = dyn_cast<CStyleCastExpr>(userExpr)))
> - userExpr = CE->getSubExpr();
> - CastKind CK;
> - if (userExpr->getType()->isIntegralType(*Context)) {
> - CK = CK_IntegralToPointer;
> - } else if (userExpr->getType()->isBlockPointerType()) {
> - CK = CK_BlockPointerToObjCPointerCast;
> - } else if (userExpr->getType()->isPointerType()) {
> - CK = CK_CPointerToObjCPointerCast;
> - } else {
> - CK = CK_BitCast;
> - }
> - userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK, userExpr);
> - }
> - }
> - MsgExprs.push_back(userExpr);
> - // We've transferred the ownership to MsgExprs. For now, we *don't* null
> - // out the argument in the original expression (since we aren't deleting
> - // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info.
> - //Exp->setArg(i, 0);
> - }
> - // Generate the funky cast.
> - CastExpr *cast;
> - SmallVector<QualType, 8> ArgTypes;
> - QualType returnType;
> -
> - // Push 'id' and 'SEL', the 2 implicit arguments.
> - if (MsgSendFlavor == MsgSendSuperFunctionDecl)
> - ArgTypes.push_back(Context->getPointerType(getSuperStructType()));
> - else
> - ArgTypes.push_back(Context->getObjCIdType());
> - ArgTypes.push_back(Context->getObjCSelType());
> - if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) {
> - // Push any user argument types.
> - for (const auto *PI : OMD->params()) {
> - QualType t = PI->getType()->isObjCQualifiedIdType()
> - ? Context->getObjCIdType()
> - : PI->getType();
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(t);
> - ArgTypes.push_back(t);
> - }
> - returnType = Exp->getType();
> - convertToUnqualifiedObjCType(returnType);
> - (void)convertBlockPointerToFunctionPointer(returnType);
> - } else {
> - returnType = Context->getObjCIdType();
> - }
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = MsgSendFlavor->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid).
> - // If we don't do this cast, we get the following bizarre warning/note:
> - // xx.m:13: warning: function called through a non-compatible type
> - // xx.m:13: note: if this code is reached, the program will abort
> - cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, DRE);
> -
> - // Now do the "normal" pointer to function cast.
> - // If we don't have a method decl, force a variadic cast.
> - const ObjCMethodDecl *MD = Exp->getMethodDecl();
> - QualType castType =
> - getSimpleFunctionType(returnType, ArgTypes, MD ? MD->isVariadic() : true);
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *CE = new (Context)
> - CallExpr(*Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, EndLoc);
> - Stmt *ReplacingStmt = CE;
> - if (MsgSendStretFlavor) {
> - // We have the method which returns a struct/union. Must also generate
> - // call to objc_msgSend_stret and hang both varieties on a conditional
> - // expression which dictate which one to envoke depending on size of
> - // method's return type.
> -
> - Expr *STCE = SynthMsgSendStretCallExpr(MsgSendStretFlavor,
> - returnType,
> - ArgTypes, MsgExprs,
> - Exp->getMethodDecl());
> - ReplacingStmt = STCE;
> - }
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return ReplacingStmt;
> -}
> -
> -Stmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) {
> - Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(),
> - Exp->getLocEnd());
> -
> - // Now do the actual rewrite.
> - ReplaceStmt(Exp, ReplacingStmt);
> -
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return ReplacingStmt;
> -}
> -
> -// typedef struct objc_object Protocol;
> -QualType RewriteModernObjC::getProtocolType() {
> - if (!ProtocolTypeDecl) {
> - TypeSourceInfo *TInfo
> - = Context->getTrivialTypeSourceInfo(Context->getObjCIdType());
> - ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("Protocol"),
> - TInfo);
> - }
> - return Context->getTypeDeclType(ProtocolTypeDecl);
> -}
> -
> -/// RewriteObjCProtocolExpr - Rewrite a protocol expression into
> -/// a synthesized/forward data reference (to the protocol's metadata).
> -/// The forward references (and metadata) are generated in
> -/// RewriteModernObjC::HandleTranslationUnit().
> -Stmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) {
> - std::string Name = "_OBJC_PROTOCOL_REFERENCE_$_" +
> - Exp->getProtocol()->getNameAsString();
> - IdentifierInfo *ID = &Context->Idents.get(Name);
> - VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), ID, getProtocolType(),
> - nullptr, SC_Extern);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, false, getProtocolType(),
> - VK_LValue, SourceLocation());
> - CastExpr *castExpr =
> - NoTypeInfoCStyleCastExpr(
> - Context, Context->getPointerType(DRE->getType()), CK_BitCast, DRE);
> - ReplaceStmt(Exp, castExpr);
> - ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl());
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return castExpr;
> -
> -}
> -
> -bool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf,
> - const char *endBuf) {
> - while (startBuf < endBuf) {
> - if (*startBuf == '#') {
> - // Skip whitespace.
> - for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf)
> - ;
> - if (!strncmp(startBuf, "if", strlen("if")) ||
> - !strncmp(startBuf, "ifdef", strlen("ifdef")) ||
> - !strncmp(startBuf, "ifndef", strlen("ifndef")) ||
> - !strncmp(startBuf, "define", strlen("define")) ||
> - !strncmp(startBuf, "undef", strlen("undef")) ||
> - !strncmp(startBuf, "else", strlen("else")) ||
> - !strncmp(startBuf, "elif", strlen("elif")) ||
> - !strncmp(startBuf, "endif", strlen("endif")) ||
> - !strncmp(startBuf, "pragma", strlen("pragma")) ||
> - !strncmp(startBuf, "include", strlen("include")) ||
> - !strncmp(startBuf, "import", strlen("import")) ||
> - !strncmp(startBuf, "include_next", strlen("include_next")))
> - return true;
> - }
> - startBuf++;
> - }
> - return false;
> -}
> -
> -/// IsTagDefinedInsideClass - This routine checks that a named tagged type
> -/// is defined inside an objective-c class. If so, it returns true.
> -bool RewriteModernObjC::IsTagDefinedInsideClass(ObjCContainerDecl *IDecl,
> - TagDecl *Tag,
> - bool &IsNamedDefinition) {
> - if (!IDecl)
> - return false;
> - SourceLocation TagLocation;
> - if (RecordDecl *RD = dyn_cast<RecordDecl>(Tag)) {
> - RD = RD->getDefinition();
> - if (!RD || !RD->getDeclName().getAsIdentifierInfo())
> - return false;
> - IsNamedDefinition = true;
> - TagLocation = RD->getLocation();
> - return Context->getSourceManager().isBeforeInTranslationUnit(
> - IDecl->getLocation(), TagLocation);
> - }
> - if (EnumDecl *ED = dyn_cast<EnumDecl>(Tag)) {
> - if (!ED || !ED->getDeclName().getAsIdentifierInfo())
> - return false;
> - IsNamedDefinition = true;
> - TagLocation = ED->getLocation();
> - return Context->getSourceManager().isBeforeInTranslationUnit(
> - IDecl->getLocation(), TagLocation);
> -
> - }
> - return false;
> -}
> -
> -/// RewriteObjCFieldDeclType - This routine rewrites a type into the buffer.
> -/// It handles elaborated types, as well as enum types in the process.
> -bool RewriteModernObjC::RewriteObjCFieldDeclType(QualType &Type,
> - std::string &Result) {
> - if (isa<TypedefType>(Type)) {
> - Result += "\t";
> - return false;
> - }
> -
> - if (Type->isArrayType()) {
> - QualType ElemTy = Context->getBaseElementType(Type);
> - return RewriteObjCFieldDeclType(ElemTy, Result);
> - }
> - else if (Type->isRecordType()) {
> - RecordDecl *RD = Type->getAs<RecordType>()->getDecl();
> - if (RD->isCompleteDefinition()) {
> - if (RD->isStruct())
> - Result += "\n\tstruct ";
> - else if (RD->isUnion())
> - Result += "\n\tunion ";
> - else
> - assert(false && "class not allowed as an ivar type");
> -
> - Result += RD->getName();
> - if (GlobalDefinedTags.count(RD)) {
> - // struct/union is defined globally, use it.
> - Result += " ";
> - return true;
> - }
> - Result += " {\n";
> - for (auto *FD : RD->fields())
> - RewriteObjCFieldDecl(FD, Result);
> - Result += "\t} ";
> - return true;
> - }
> - }
> - else if (Type->isEnumeralType()) {
> - EnumDecl *ED = Type->getAs<EnumType>()->getDecl();
> - if (ED->isCompleteDefinition()) {
> - Result += "\n\tenum ";
> - Result += ED->getName();
> - if (GlobalDefinedTags.count(ED)) {
> - // Enum is globall defined, use it.
> - Result += " ";
> - return true;
> - }
> -
> - Result += " {\n";
> - for (const auto *EC : ED->enumerators()) {
> - Result += "\t"; Result += EC->getName(); Result += " = ";
> - llvm::APSInt Val = EC->getInitVal();
> - Result += Val.toString(10);
> - Result += ",\n";
> - }
> - Result += "\t} ";
> - return true;
> - }
> - }
> -
> - Result += "\t";
> - convertObjCTypeToCStyleType(Type);
> - return false;
> -}
> -
> -
> -/// RewriteObjCFieldDecl - This routine rewrites a field into the buffer.
> -/// It handles elaborated types, as well as enum types in the process.
> -void RewriteModernObjC::RewriteObjCFieldDecl(FieldDecl *fieldDecl,
> - std::string &Result) {
> - QualType Type = fieldDecl->getType();
> - std::string Name = fieldDecl->getNameAsString();
> -
> - bool EleboratedType = RewriteObjCFieldDeclType(Type, Result);
> - if (!EleboratedType)
> - Type.getAsStringInternal(Name, Context->getPrintingPolicy());
> - Result += Name;
> - if (fieldDecl->isBitField()) {
> - Result += " : "; Result += utostr(fieldDecl->getBitWidthValue(*Context));
> - }
> - else if (EleboratedType && Type->isArrayType()) {
> - const ArrayType *AT = Context->getAsArrayType(Type);
> - do {
> - if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) {
> - Result += "[";
> - llvm::APInt Dim = CAT->getSize();
> - Result += utostr(Dim.getZExtValue());
> - Result += "]";
> - }
> - AT = Context->getAsArrayType(AT->getElementType());
> - } while (AT);
> - }
> -
> - Result += ";\n";
> -}
> -
> -/// RewriteLocallyDefinedNamedAggregates - This routine rewrites locally defined
> -/// named aggregate types into the input buffer.
> -void RewriteModernObjC::RewriteLocallyDefinedNamedAggregates(FieldDecl *fieldDecl,
> - std::string &Result) {
> - QualType Type = fieldDecl->getType();
> - if (isa<TypedefType>(Type))
> - return;
> - if (Type->isArrayType())
> - Type = Context->getBaseElementType(Type);
> - ObjCContainerDecl *IDecl =
> - dyn_cast<ObjCContainerDecl>(fieldDecl->getDeclContext());
> -
> - TagDecl *TD = nullptr;
> - if (Type->isRecordType()) {
> - TD = Type->getAs<RecordType>()->getDecl();
> - }
> - else if (Type->isEnumeralType()) {
> - TD = Type->getAs<EnumType>()->getDecl();
> - }
> -
> - if (TD) {
> - if (GlobalDefinedTags.count(TD))
> - return;
> -
> - bool IsNamedDefinition = false;
> - if (IsTagDefinedInsideClass(IDecl, TD, IsNamedDefinition)) {
> - RewriteObjCFieldDeclType(Type, Result);
> - Result += ";";
> - }
> - if (IsNamedDefinition)
> - GlobalDefinedTags.insert(TD);
> - }
> -
> -}
> -
> -unsigned RewriteModernObjC::ObjCIvarBitfieldGroupNo(ObjCIvarDecl *IV) {
> - const ObjCInterfaceDecl *CDecl = IV->getContainingInterface();
> - if (ObjCInterefaceHasBitfieldGroups.count(CDecl)) {
> - return IvarGroupNumber[IV];
> - }
> - unsigned GroupNo = 0;
> - SmallVector<const ObjCIvarDecl *, 8> IVars;
> - for (const ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
> - IVD; IVD = IVD->getNextIvar())
> - IVars.push_back(IVD);
> -
> - for (unsigned i = 0, e = IVars.size(); i < e; i++)
> - if (IVars[i]->isBitField()) {
> - IvarGroupNumber[IVars[i++]] = ++GroupNo;
> - while (i < e && IVars[i]->isBitField())
> - IvarGroupNumber[IVars[i++]] = GroupNo;
> - if (i < e)
> - --i;
> - }
> -
> - ObjCInterefaceHasBitfieldGroups.insert(CDecl);
> - return IvarGroupNumber[IV];
> -}
> -
> -QualType RewriteModernObjC::SynthesizeBitfieldGroupStructType(
> - ObjCIvarDecl *IV,
> - SmallVectorImpl<ObjCIvarDecl *> &IVars) {
> - std::string StructTagName;
> - ObjCIvarBitfieldGroupType(IV, StructTagName);
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct,
> - Context->getTranslationUnitDecl(),
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get(StructTagName));
> - for (unsigned i=0, e = IVars.size(); i < e; i++) {
> - ObjCIvarDecl *Ivar = IVars[i];
> - RD->addDecl(FieldDecl::Create(*Context, RD, SourceLocation(), SourceLocation(),
> - &Context->Idents.get(Ivar->getName()),
> - Ivar->getType(),
> - nullptr, /*Expr *BW */Ivar->getBitWidth(),
> - false, ICIS_NoInit));
> - }
> - RD->completeDefinition();
> - return Context->getTagDeclType(RD);
> -}
> -
> -QualType RewriteModernObjC::GetGroupRecordTypeForObjCIvarBitfield(ObjCIvarDecl *IV) {
> - const ObjCInterfaceDecl *CDecl = IV->getContainingInterface();
> - unsigned GroupNo = ObjCIvarBitfieldGroupNo(IV);
> - std::pair<const ObjCInterfaceDecl*, unsigned> tuple = std::make_pair(CDecl, GroupNo);
> - if (GroupRecordType.count(tuple))
> - return GroupRecordType[tuple];
> -
> - SmallVector<ObjCIvarDecl *, 8> IVars;
> - for (const ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
> - IVD; IVD = IVD->getNextIvar()) {
> - if (IVD->isBitField())
> - IVars.push_back(const_cast<ObjCIvarDecl *>(IVD));
> - else {
> - if (!IVars.empty()) {
> - unsigned GroupNo = ObjCIvarBitfieldGroupNo(IVars[0]);
> - // Generate the struct type for this group of bitfield ivars.
> - GroupRecordType[std::make_pair(CDecl, GroupNo)] =
> - SynthesizeBitfieldGroupStructType(IVars[0], IVars);
> - IVars.clear();
> - }
> - }
> - }
> - if (!IVars.empty()) {
> - // Do the last one.
> - unsigned GroupNo = ObjCIvarBitfieldGroupNo(IVars[0]);
> - GroupRecordType[std::make_pair(CDecl, GroupNo)] =
> - SynthesizeBitfieldGroupStructType(IVars[0], IVars);
> - }
> - QualType RetQT = GroupRecordType[tuple];
> - assert(!RetQT.isNull() && "GetGroupRecordTypeForObjCIvarBitfield struct type is NULL");
> -
> - return RetQT;
> -}
> -
> -/// ObjCIvarBitfieldGroupDecl - Names field decl. for ivar bitfield group.
> -/// Name would be: classname__GRBF_n where n is the group number for this ivar.
> -void RewriteModernObjC::ObjCIvarBitfieldGroupDecl(ObjCIvarDecl *IV,
> - std::string &Result) {
> - const ObjCInterfaceDecl *CDecl = IV->getContainingInterface();
> - Result += CDecl->getName();
> - Result += "__GRBF_";
> - unsigned GroupNo = ObjCIvarBitfieldGroupNo(IV);
> - Result += utostr(GroupNo);
> - return;
> -}
> -
> -/// ObjCIvarBitfieldGroupType - Names struct type for ivar bitfield group.
> -/// Name of the struct would be: classname__T_n where n is the group number for
> -/// this ivar.
> -void RewriteModernObjC::ObjCIvarBitfieldGroupType(ObjCIvarDecl *IV,
> - std::string &Result) {
> - const ObjCInterfaceDecl *CDecl = IV->getContainingInterface();
> - Result += CDecl->getName();
> - Result += "__T_";
> - unsigned GroupNo = ObjCIvarBitfieldGroupNo(IV);
> - Result += utostr(GroupNo);
> - return;
> -}
> -
> -/// ObjCIvarBitfieldGroupOffset - Names symbol for ivar bitfield group field offset.
> -/// Name would be: OBJC_IVAR_$_classname__GRBF_n where n is the group number for
> -/// this ivar.
> -void RewriteModernObjC::ObjCIvarBitfieldGroupOffset(ObjCIvarDecl *IV,
> - std::string &Result) {
> - Result += "OBJC_IVAR_$_";
> - ObjCIvarBitfieldGroupDecl(IV, Result);
> -}
> -
> -#define SKIP_BITFIELDS(IX, ENDIX, VEC) { \
> - while ((IX < ENDIX) && VEC[IX]->isBitField()) \
> - ++IX; \
> - if (IX < ENDIX) \
> - --IX; \
> -}
> -
> -/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to
> -/// an objective-c class with ivars.
> -void RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl,
> - std::string &Result) {
> - assert(CDecl && "Class missing in SynthesizeObjCInternalStruct");
> - assert(CDecl->getName() != "" &&
> - "Name missing in SynthesizeObjCInternalStruct");
> - ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass();
> - SmallVector<ObjCIvarDecl *, 8> IVars;
> - for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
> - IVD; IVD = IVD->getNextIvar())
> - IVars.push_back(IVD);
> -
> - SourceLocation LocStart = CDecl->getLocStart();
> - SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> -
> - // If no ivars and no root or if its root, directly or indirectly,
> - // have no ivars (thus not synthesized) then no need to synthesize this class.
> - if ((!CDecl->isThisDeclarationADefinition() || IVars.size() == 0) &&
> - (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) {
> - endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts);
> - ReplaceText(LocStart, endBuf-startBuf, Result);
> - return;
> - }
> -
> - // Insert named struct/union definitions inside class to
> - // outer scope. This follows semantics of locally defined
> - // struct/unions in objective-c classes.
> - for (unsigned i = 0, e = IVars.size(); i < e; i++)
> - RewriteLocallyDefinedNamedAggregates(IVars[i], Result);
> -
> - // Insert named structs which are syntheized to group ivar bitfields
> - // to outer scope as well.
> - for (unsigned i = 0, e = IVars.size(); i < e; i++)
> - if (IVars[i]->isBitField()) {
> - ObjCIvarDecl *IV = IVars[i];
> - QualType QT = GetGroupRecordTypeForObjCIvarBitfield(IV);
> - RewriteObjCFieldDeclType(QT, Result);
> - Result += ";";
> - // skip over ivar bitfields in this group.
> - SKIP_BITFIELDS(i , e, IVars);
> - }
> -
> - Result += "\nstruct ";
> - Result += CDecl->getNameAsString();
> - Result += "_IMPL {\n";
> -
> - if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) {
> - Result += "\tstruct "; Result += RCDecl->getNameAsString();
> - Result += "_IMPL "; Result += RCDecl->getNameAsString();
> - Result += "_IVARS;\n";
> - }
> -
> - for (unsigned i = 0, e = IVars.size(); i < e; i++) {
> - if (IVars[i]->isBitField()) {
> - ObjCIvarDecl *IV = IVars[i];
> - Result += "\tstruct ";
> - ObjCIvarBitfieldGroupType(IV, Result); Result += " ";
> - ObjCIvarBitfieldGroupDecl(IV, Result); Result += ";\n";
> - // skip over ivar bitfields in this group.
> - SKIP_BITFIELDS(i , e, IVars);
> - }
> - else
> - RewriteObjCFieldDecl(IVars[i], Result);
> - }
> -
> - Result += "};\n";
> - endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts);
> - ReplaceText(LocStart, endBuf-startBuf, Result);
> - // Mark this struct as having been generated.
> - if (!ObjCSynthesizedStructs.insert(CDecl))
> - llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct");
> -}
> -
> -/// RewriteIvarOffsetSymbols - Rewrite ivar offset symbols of those ivars which
> -/// have been referenced in an ivar access expression.
> -void RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl,
> - std::string &Result) {
> - // write out ivar offset symbols which have been referenced in an ivar
> - // access expression.
> - llvm::SmallPtrSet<ObjCIvarDecl *, 8> Ivars = ReferencedIvars[CDecl];
> - if (Ivars.empty())
> - return;
> -
> - llvm::DenseSet<std::pair<const ObjCInterfaceDecl*, unsigned> > GroupSymbolOutput;
> - for (llvm::SmallPtrSet<ObjCIvarDecl *, 8>::iterator i = Ivars.begin(),
> - e = Ivars.end(); i != e; i++) {
> - ObjCIvarDecl *IvarDecl = (*i);
> - const ObjCInterfaceDecl *IDecl = IvarDecl->getContainingInterface();
> - unsigned GroupNo = 0;
> - if (IvarDecl->isBitField()) {
> - GroupNo = ObjCIvarBitfieldGroupNo(IvarDecl);
> - if (GroupSymbolOutput.count(std::make_pair(IDecl, GroupNo)))
> - continue;
> - }
> - Result += "\n";
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_ivar$B\")) ";
> - Result += "extern \"C\" ";
> - if (LangOpts.MicrosoftExt &&
> - IvarDecl->getAccessControl() != ObjCIvarDecl::Private &&
> - IvarDecl->getAccessControl() != ObjCIvarDecl::Package)
> - Result += "__declspec(dllimport) ";
> -
> - Result += "unsigned long ";
> - if (IvarDecl->isBitField()) {
> - ObjCIvarBitfieldGroupOffset(IvarDecl, Result);
> - GroupSymbolOutput.insert(std::make_pair(IDecl, GroupNo));
> - }
> - else
> - WriteInternalIvarName(CDecl, IvarDecl, Result);
> - Result += ";";
> - }
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Meta Data Emission
> -//===----------------------------------------------------------------------===//
> -
> -
> -/// RewriteImplementations - This routine rewrites all method implementations
> -/// and emits meta-data.
> -
> -void RewriteModernObjC::RewriteImplementations() {
> - int ClsDefCount = ClassImplementation.size();
> - int CatDefCount = CategoryImplementation.size();
> -
> - // Rewrite implemented methods
> - for (int i = 0; i < ClsDefCount; i++) {
> - ObjCImplementationDecl *OIMP = ClassImplementation[i];
> - ObjCInterfaceDecl *CDecl = OIMP->getClassInterface();
> - if (CDecl->isImplicitInterfaceDecl())
> - assert(false &&
> - "Legacy implicit interface rewriting not supported in moder abi");
> - RewriteImplementationDecl(OIMP);
> - }
> -
> - for (int i = 0; i < CatDefCount; i++) {
> - ObjCCategoryImplDecl *CIMP = CategoryImplementation[i];
> - ObjCInterfaceDecl *CDecl = CIMP->getClassInterface();
> - if (CDecl->isImplicitInterfaceDecl())
> - assert(false &&
> - "Legacy implicit interface rewriting not supported in moder abi");
> - RewriteImplementationDecl(CIMP);
> - }
> -}
> -
> -void RewriteModernObjC::RewriteByRefString(std::string &ResultStr,
> - const std::string &Name,
> - ValueDecl *VD, bool def) {
> - assert(BlockByRefDeclNo.count(VD) &&
> - "RewriteByRefString: ByRef decl missing");
> - if (def)
> - ResultStr += "struct ";
> - ResultStr += "__Block_byref_" + Name +
> - "_" + utostr(BlockByRefDeclNo[VD]) ;
> -}
> -
> -static bool HasLocalVariableExternalStorage(ValueDecl *VD) {
> - if (VarDecl *Var = dyn_cast<VarDecl>(VD))
> - return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage());
> - return false;
> -}
> -
> -std::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i,
> - StringRef funcName,
> - std::string Tag) {
> - const FunctionType *AFT = CE->getFunctionType();
> - QualType RT = AFT->getReturnType();
> - std::string StructRef = "struct " + Tag;
> - SourceLocation BlockLoc = CE->getExprLoc();
> - std::string S;
> - ConvertSourceLocationToLineDirective(BlockLoc, S);
> -
> - S += "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" +
> - funcName.str() + "_block_func_" + utostr(i);
> -
> - BlockDecl *BD = CE->getBlockDecl();
> -
> - if (isa<FunctionNoProtoType>(AFT)) {
> - // No user-supplied arguments. Still need to pass in a pointer to the
> - // block (to reference imported block decl refs).
> - S += "(" + StructRef + " *__cself)";
> - } else if (BD->param_empty()) {
> - S += "(" + StructRef + " *__cself)";
> - } else {
> - const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
> - assert(FT && "SynthesizeBlockFunc: No function proto");
> - S += '(';
> - // first add the implicit argument.
> - S += StructRef + " *__cself, ";
> - std::string ParamStr;
> - for (BlockDecl::param_iterator AI = BD->param_begin(),
> - E = BD->param_end(); AI != E; ++AI) {
> - if (AI != BD->param_begin()) S += ", ";
> - ParamStr = (*AI)->getNameAsString();
> - QualType QT = (*AI)->getType();
> - (void)convertBlockPointerToFunctionPointer(QT);
> - QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy());
> - S += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (!BD->param_empty()) S += ", ";
> - S += "...";
> - }
> - S += ')';
> - }
> - S += " {\n";
> -
> - // Create local declarations to avoid rewriting all closure decl ref exprs.
> - // First, emit a declaration for all "by ref" decls.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string Name = (*I)->getNameAsString();
> - std::string TypeString;
> - RewriteByRefString(TypeString, Name, (*I));
> - TypeString += " *";
> - Name = TypeString + Name;
> - S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n";
> - }
> - // Next, emit a declaration for all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - S += " ";
> - // Handle nested closure invocation. For example:
> - //
> - // void (^myImportedClosure)(void);
> - // myImportedClosure = ^(void) { setGlobalInt(x + y); };
> - //
> - // void (^anotherClosure)(void);
> - // anotherClosure = ^(void) {
> - // myImportedClosure(); // import and invoke the closure
> - // };
> - //
> - if (isTopLevelBlockPointerType((*I)->getType())) {
> - RewriteBlockPointerTypeVariable(S, (*I));
> - S += " = (";
> - RewriteBlockPointerType(S, (*I)->getType());
> - S += ")";
> - S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n";
> - }
> - else {
> - std::string Name = (*I)->getNameAsString();
> - QualType QT = (*I)->getType();
> - if (HasLocalVariableExternalStorage(*I))
> - QT = Context->getPointerType(QT);
> - QT.getAsStringInternal(Name, Context->getPrintingPolicy());
> - S += Name + " = __cself->" +
> - (*I)->getNameAsString() + "; // bound by copy\n";
> - }
> - }
> - std::string RewrittenStr = RewrittenBlockExprs[CE];
> - const char *cstr = RewrittenStr.c_str();
> - while (*cstr++ != '{') ;
> - S += cstr;
> - S += "\n";
> - return S;
> -}
> -
> -std::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
> - StringRef funcName,
> - std::string Tag) {
> - std::string StructRef = "struct " + Tag;
> - std::string S = "static void __";
> -
> - S += funcName;
> - S += "_block_copy_" + utostr(i);
> - S += "(" + StructRef;
> - S += "*dst, " + StructRef;
> - S += "*src) {";
> - for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(),
> - E = ImportedBlockDecls.end(); I != E; ++I) {
> - ValueDecl *VD = (*I);
> - S += "_Block_object_assign((void*)&dst->";
> - S += (*I)->getNameAsString();
> - S += ", (void*)src->";
> - S += (*I)->getNameAsString();
> - if (BlockByRefDeclsPtrSet.count((*I)))
> - S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
> - else if (VD->getType()->isBlockPointerType())
> - S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
> - else
> - S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);";
> - }
> - S += "}\n";
> -
> - S += "\nstatic void __";
> - S += funcName;
> - S += "_block_dispose_" + utostr(i);
> - S += "(" + StructRef;
> - S += "*src) {";
> - for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(),
> - E = ImportedBlockDecls.end(); I != E; ++I) {
> - ValueDecl *VD = (*I);
> - S += "_Block_object_dispose((void*)src->";
> - S += (*I)->getNameAsString();
> - if (BlockByRefDeclsPtrSet.count((*I)))
> - S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
> - else if (VD->getType()->isBlockPointerType())
> - S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
> - else
> - S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);";
> - }
> - S += "}\n";
> - return S;
> -}
> -
> -std::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag,
> - std::string Desc) {
> - std::string S = "\nstruct " + Tag;
> - std::string Constructor = " " + Tag;
> -
> - S += " {\n struct __block_impl impl;\n";
> - S += " struct " + Desc;
> - S += "* Desc;\n";
> -
> - Constructor += "(void *fp, "; // Invoke function pointer.
> - Constructor += "struct " + Desc; // Descriptor pointer.
> - Constructor += " *desc";
> -
> - if (BlockDeclRefs.size()) {
> - // Output all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string FieldName = (*I)->getNameAsString();
> - std::string ArgName = "_" + FieldName;
> - // Handle nested closure invocation. For example:
> - //
> - // void (^myImportedBlock)(void);
> - // myImportedBlock = ^(void) { setGlobalInt(x + y); };
> - //
> - // void (^anotherBlock)(void);
> - // anotherBlock = ^(void) {
> - // myImportedBlock(); // import and invoke the closure
> - // };
> - //
> - if (isTopLevelBlockPointerType((*I)->getType())) {
> - S += "struct __block_impl *";
> - Constructor += ", void *" + ArgName;
> - } else {
> - QualType QT = (*I)->getType();
> - if (HasLocalVariableExternalStorage(*I))
> - QT = Context->getPointerType(QT);
> - QT.getAsStringInternal(FieldName, Context->getPrintingPolicy());
> - QT.getAsStringInternal(ArgName, Context->getPrintingPolicy());
> - Constructor += ", " + ArgName;
> - }
> - S += FieldName + ";\n";
> - }
> - // Output all "by ref" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string FieldName = (*I)->getNameAsString();
> - std::string ArgName = "_" + FieldName;
> - {
> - std::string TypeString;
> - RewriteByRefString(TypeString, FieldName, (*I));
> - TypeString += " *";
> - FieldName = TypeString + FieldName;
> - ArgName = TypeString + ArgName;
> - Constructor += ", " + ArgName;
> - }
> - S += FieldName + "; // by ref\n";
> - }
> - // Finish writing the constructor.
> - Constructor += ", int flags=0)";
> - // Initialize all "by copy" arguments.
> - bool firsTime = true;
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - std::string Name = (*I)->getNameAsString();
> - if (firsTime) {
> - Constructor += " : ";
> - firsTime = false;
> - }
> - else
> - Constructor += ", ";
> - if (isTopLevelBlockPointerType((*I)->getType()))
> - Constructor += Name + "((struct __block_impl *)_" + Name + ")";
> - else
> - Constructor += Name + "(_" + Name + ")";
> - }
> - // Initialize all "by ref" arguments.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - std::string Name = (*I)->getNameAsString();
> - if (firsTime) {
> - Constructor += " : ";
> - firsTime = false;
> - }
> - else
> - Constructor += ", ";
> - Constructor += Name + "(_" + Name + "->__forwarding)";
> - }
> -
> - Constructor += " {\n";
> - if (GlobalVarDecl)
> - Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n";
> - else
> - Constructor += " impl.isa = &_NSConcreteStackBlock;\n";
> - Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n";
> -
> - Constructor += " Desc = desc;\n";
> - } else {
> - // Finish writing the constructor.
> - Constructor += ", int flags=0) {\n";
> - if (GlobalVarDecl)
> - Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n";
> - else
> - Constructor += " impl.isa = &_NSConcreteStackBlock;\n";
> - Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n";
> - Constructor += " Desc = desc;\n";
> - }
> - Constructor += " ";
> - Constructor += "}\n";
> - S += Constructor;
> - S += "};\n";
> - return S;
> -}
> -
> -std::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag,
> - std::string ImplTag, int i,
> - StringRef FunName,
> - unsigned hasCopy) {
> - std::string S = "\nstatic struct " + DescTag;
> -
> - S += " {\n size_t reserved;\n";
> - S += " size_t Block_size;\n";
> - if (hasCopy) {
> - S += " void (*copy)(struct ";
> - S += ImplTag; S += "*, struct ";
> - S += ImplTag; S += "*);\n";
> -
> - S += " void (*dispose)(struct ";
> - S += ImplTag; S += "*);\n";
> - }
> - S += "} ";
> -
> - S += DescTag + "_DATA = { 0, sizeof(struct ";
> - S += ImplTag + ")";
> - if (hasCopy) {
> - S += ", __" + FunName.str() + "_block_copy_" + utostr(i);
> - S += ", __" + FunName.str() + "_block_dispose_" + utostr(i);
> - }
> - S += "};\n";
> - return S;
> -}
> -
> -void RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart,
> - StringRef FunName) {
> - bool RewriteSC = (GlobalVarDecl &&
> - !Blocks.empty() &&
> - GlobalVarDecl->getStorageClass() == SC_Static &&
> - GlobalVarDecl->getType().getCVRQualifiers());
> - if (RewriteSC) {
> - std::string SC(" void __");
> - SC += GlobalVarDecl->getNameAsString();
> - SC += "() {}";
> - InsertText(FunLocStart, SC);
> - }
> -
> - // Insert closures that were part of the function.
> - for (unsigned i = 0, count=0; i < Blocks.size(); i++) {
> - CollectBlockDeclRefInfo(Blocks[i]);
> - // Need to copy-in the inner copied-in variables not actually used in this
> - // block.
> - for (int j = 0; j < InnerDeclRefsCount[i]; j++) {
> - DeclRefExpr *Exp = InnerDeclRefs[count++];
> - ValueDecl *VD = Exp->getDecl();
> - BlockDeclRefs.push_back(Exp);
> - if (!VD->hasAttr<BlocksAttr>()) {
> - if (!BlockByCopyDeclsPtrSet.count(VD)) {
> - BlockByCopyDeclsPtrSet.insert(VD);
> - BlockByCopyDecls.push_back(VD);
> - }
> - continue;
> - }
> -
> - if (!BlockByRefDeclsPtrSet.count(VD)) {
> - BlockByRefDeclsPtrSet.insert(VD);
> - BlockByRefDecls.push_back(VD);
> - }
> -
> - // imported objects in the inner blocks not used in the outer
> - // blocks must be copied/disposed in the outer block as well.
> - if (VD->getType()->isObjCObjectPointerType() ||
> - VD->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(VD);
> - }
> -
> - std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i);
> - std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i);
> -
> - std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag);
> -
> - InsertText(FunLocStart, CI);
> -
> - std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag);
> -
> - InsertText(FunLocStart, CF);
> -
> - if (ImportedBlockDecls.size()) {
> - std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag);
> - InsertText(FunLocStart, HF);
> - }
> - std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName,
> - ImportedBlockDecls.size() > 0);
> - InsertText(FunLocStart, BD);
> -
> - BlockDeclRefs.clear();
> - BlockByRefDecls.clear();
> - BlockByRefDeclsPtrSet.clear();
> - BlockByCopyDecls.clear();
> - BlockByCopyDeclsPtrSet.clear();
> - ImportedBlockDecls.clear();
> - }
> - if (RewriteSC) {
> - // Must insert any 'const/volatile/static here. Since it has been
> - // removed as result of rewriting of block literals.
> - std::string SC;
> - if (GlobalVarDecl->getStorageClass() == SC_Static)
> - SC = "static ";
> - if (GlobalVarDecl->getType().isConstQualified())
> - SC += "const ";
> - if (GlobalVarDecl->getType().isVolatileQualified())
> - SC += "volatile ";
> - if (GlobalVarDecl->getType().isRestrictQualified())
> - SC += "restrict ";
> - InsertText(FunLocStart, SC);
> - }
> - if (GlobalConstructionExp) {
> - // extra fancy dance for global literal expression.
> -
> - // Always the latest block expression on the block stack.
> - std::string Tag = "__";
> - Tag += FunName;
> - Tag += "_block_impl_";
> - Tag += utostr(Blocks.size()-1);
> - std::string globalBuf = "static ";
> - globalBuf += Tag; globalBuf += " ";
> - std::string SStr;
> -
> - llvm::raw_string_ostream constructorExprBuf(SStr);
> - GlobalConstructionExp->printPretty(constructorExprBuf, nullptr,
> - PrintingPolicy(LangOpts));
> - globalBuf += constructorExprBuf.str();
> - globalBuf += ";\n";
> - InsertText(FunLocStart, globalBuf);
> - GlobalConstructionExp = nullptr;
> - }
> -
> - Blocks.clear();
> - InnerDeclRefsCount.clear();
> - InnerDeclRefs.clear();
> - RewrittenBlockExprs.clear();
> -}
> -
> -void RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) {
> - SourceLocation FunLocStart =
> - (!Blocks.empty()) ? getFunctionSourceLocation(*this, FD)
> - : FD->getTypeSpecStartLoc();
> - StringRef FuncName = FD->getName();
> -
> - SynthesizeBlockLiterals(FunLocStart, FuncName);
> -}
> -
> -static void BuildUniqueMethodName(std::string &Name,
> - ObjCMethodDecl *MD) {
> - ObjCInterfaceDecl *IFace = MD->getClassInterface();
> - Name = IFace->getName();
> - Name += "__" + MD->getSelector().getAsString();
> - // Convert colons to underscores.
> - std::string::size_type loc = 0;
> - while ((loc = Name.find(":", loc)) != std::string::npos)
> - Name.replace(loc, 1, "_");
> -}
> -
> -void RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) {
> - //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n");
> - //SourceLocation FunLocStart = MD->getLocStart();
> - SourceLocation FunLocStart = MD->getLocStart();
> - std::string FuncName;
> - BuildUniqueMethodName(FuncName, MD);
> - SynthesizeBlockLiterals(FunLocStart, FuncName);
> -}
> -
> -void RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) {
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI))
> - GetBlockDeclRefExprs(CBE->getBody());
> - else
> - GetBlockDeclRefExprs(*CI);
> - }
> - // Handle specific things.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - if (DRE->refersToEnclosingLocal()) {
> - // FIXME: Handle enums.
> - if (!isa<FunctionDecl>(DRE->getDecl()))
> - BlockDeclRefs.push_back(DRE);
> - if (HasLocalVariableExternalStorage(DRE->getDecl()))
> - BlockDeclRefs.push_back(DRE);
> - }
> - }
> -
> - return;
> -}
> -
> -void RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S,
> - SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs,
> - llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) {
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) {
> - InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl()));
> - GetInnerBlockDeclRefExprs(CBE->getBody(),
> - InnerBlockDeclRefs,
> - InnerContexts);
> - }
> - else
> - GetInnerBlockDeclRefExprs(*CI,
> - InnerBlockDeclRefs,
> - InnerContexts);
> -
> - }
> - // Handle specific things.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - if (DRE->refersToEnclosingLocal()) {
> - if (!isa<FunctionDecl>(DRE->getDecl()) &&
> - !InnerContexts.count(DRE->getDecl()->getDeclContext()))
> - InnerBlockDeclRefs.push_back(DRE);
> - if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl()))
> - if (Var->isFunctionOrMethodVarDecl())
> - ImportedLocalExternalDecls.insert(Var);
> - }
> - }
> -
> - return;
> -}
> -
> -/// convertObjCTypeToCStyleType - This routine converts such objc types
> -/// as qualified objects, and blocks to their closest c/c++ types that
> -/// it can. It returns true if input type was modified.
> -bool RewriteModernObjC::convertObjCTypeToCStyleType(QualType &T) {
> - QualType oldT = T;
> - convertBlockPointerToFunctionPointer(T);
> - if (T->isFunctionPointerType()) {
> - QualType PointeeTy;
> - if (const PointerType* PT = T->getAs<PointerType>()) {
> - PointeeTy = PT->getPointeeType();
> - if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) {
> - T = convertFunctionTypeOfBlocks(FT);
> - T = Context->getPointerType(T);
> - }
> - }
> - }
> -
> - convertToUnqualifiedObjCType(T);
> - return T != oldT;
> -}
> -
> -/// convertFunctionTypeOfBlocks - This routine converts a function type
> -/// whose result type may be a block pointer or whose argument type(s)
> -/// might be block pointers to an equivalent function type replacing
> -/// all block pointers to function pointers.
> -QualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) {
> - const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT);
> - // FTP will be null for closures that don't take arguments.
> - // Generate a funky cast.
> - SmallVector<QualType, 8> ArgTypes;
> - QualType Res = FT->getReturnType();
> - bool modified = convertObjCTypeToCStyleType(Res);
> -
> - if (FTP) {
> - for (auto &I : FTP->param_types()) {
> - QualType t = I;
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - if (convertObjCTypeToCStyleType(t))
> - modified = true;
> - ArgTypes.push_back(t);
> - }
> - }
> - QualType FuncType;
> - if (modified)
> - FuncType = getSimpleFunctionType(Res, ArgTypes);
> - else FuncType = QualType(FT, 0);
> - return FuncType;
> -}
> -
> -Stmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) {
> - // Navigate to relevant type information.
> - const BlockPointerType *CPT = nullptr;
> -
> - if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) {
> - CPT = DRE->getType()->getAs<BlockPointerType>();
> - } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) {
> - CPT = MExpr->getType()->getAs<BlockPointerType>();
> - }
> - else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) {
> - return SynthesizeBlockCall(Exp, PRE->getSubExpr());
> - }
> - else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp))
> - CPT = IEXPR->getType()->getAs<BlockPointerType>();
> - else if (const ConditionalOperator *CEXPR =
> - dyn_cast<ConditionalOperator>(BlockExp)) {
> - Expr *LHSExp = CEXPR->getLHS();
> - Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp);
> - Expr *RHSExp = CEXPR->getRHS();
> - Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp);
> - Expr *CONDExp = CEXPR->getCond();
> - ConditionalOperator *CondExpr =
> - new (Context) ConditionalOperator(CONDExp,
> - SourceLocation(), cast<Expr>(LHSStmt),
> - SourceLocation(), cast<Expr>(RHSStmt),
> - Exp->getType(), VK_RValue, OK_Ordinary);
> - return CondExpr;
> - } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) {
> - CPT = IRE->getType()->getAs<BlockPointerType>();
> - } else if (const PseudoObjectExpr *POE
> - = dyn_cast<PseudoObjectExpr>(BlockExp)) {
> - CPT = POE->getType()->castAs<BlockPointerType>();
> - } else {
> - assert(1 && "RewriteBlockClass: Bad type");
> - }
> - assert(CPT && "RewriteBlockClass: Bad type");
> - const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>();
> - assert(FT && "RewriteBlockClass: Bad type");
> - const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT);
> - // FTP will be null for closures that don't take arguments.
> -
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("__block_impl"));
> - QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD));
> -
> - // Generate a funky cast.
> - SmallVector<QualType, 8> ArgTypes;
> -
> - // Push the block argument type.
> - ArgTypes.push_back(PtrBlock);
> - if (FTP) {
> - for (auto &I : FTP->param_types()) {
> - QualType t = I;
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - if (!convertBlockPointerToFunctionPointer(t))
> - convertToUnqualifiedObjCType(t);
> - ArgTypes.push_back(t);
> - }
> - }
> - // Now do the pointer to function cast.
> - QualType PtrToFuncCastType = getSimpleFunctionType(Exp->getType(), ArgTypes);
> -
> - PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType);
> -
> - CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock,
> - CK_BitCast,
> - const_cast<Expr*>(BlockExp));
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - BlkCast);
> - //PE->dump();
> -
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("FuncPtr"),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> -
> - CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType,
> - CK_BitCast, ME);
> - PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast);
> -
> - SmallVector<Expr*, 8> BlkExprs;
> - // Add the implicit argument.
> - BlkExprs.push_back(BlkCast);
> - // Add the user arguments.
> - for (CallExpr::arg_iterator I = Exp->arg_begin(),
> - E = Exp->arg_end(); I != E; ++I) {
> - BlkExprs.push_back(*I);
> - }
> - CallExpr *CE = new (Context) CallExpr(*Context, PE, BlkExprs,
> - Exp->getType(), VK_RValue,
> - SourceLocation());
> - return CE;
> -}
> -
> -// We need to return the rewritten expression to handle cases where the
> -// DeclRefExpr is embedded in another expression being rewritten.
> -// For example:
> -//
> -// int main() {
> -// __block Foo *f;
> -// __block int i;
> -//
> -// void (^myblock)() = ^() {
> -// [f test]; // f is a DeclRefExpr embedded in a message (which is being rewritten).
> -// i = 77;
> -// };
> -//}
> -Stmt *RewriteModernObjC::RewriteBlockDeclRefExpr(DeclRefExpr *DeclRefExp) {
> - // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR
> - // for each DeclRefExp where BYREFVAR is name of the variable.
> - ValueDecl *VD = DeclRefExp->getDecl();
> - bool isArrow = DeclRefExp->refersToEnclosingLocal();
> -
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("__forwarding"),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow,
> - FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> - StringRef Name = VD->getName();
> - FD = FieldDecl::Create(*Context, nullptr, SourceLocation(), SourceLocation(),
> - &Context->Idents.get(Name),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(),
> - DeclRefExp->getType(), VK_LValue, OK_Ordinary);
> -
> -
> -
> - // Need parens to enforce precedence.
> - ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(),
> - DeclRefExp->getExprLoc(),
> - ME);
> - ReplaceStmt(DeclRefExp, PE);
> - return PE;
> -}
> -
> -// Rewrites the imported local variable V with external storage
> -// (static, extern, etc.) as *V
> -//
> -Stmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) {
> - ValueDecl *VD = DRE->getDecl();
> - if (VarDecl *Var = dyn_cast<VarDecl>(VD))
> - if (!ImportedLocalExternalDecls.count(Var))
> - return DRE;
> - Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(),
> - VK_LValue, OK_Ordinary,
> - DRE->getLocation());
> - // Need parens to enforce precedence.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - Exp);
> - ReplaceStmt(DRE, PE);
> - return PE;
> -}
> -
> -void RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) {
> - SourceLocation LocStart = CE->getLParenLoc();
> - SourceLocation LocEnd = CE->getRParenLoc();
> -
> - // Need to avoid trying to rewrite synthesized casts.
> - if (LocStart.isInvalid())
> - return;
> - // Need to avoid trying to rewrite casts contained in macros.
> - if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd))
> - return;
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - QualType QT = CE->getType();
> - const Type* TypePtr = QT->getAs<Type>();
> - if (isa<TypeOfExprType>(TypePtr)) {
> - const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr);
> - QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType();
> - std::string TypeAsString = "(";
> - RewriteBlockPointerType(TypeAsString, QT);
> - TypeAsString += ")";
> - ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString);
> - return;
> - }
> - // advance the location to startArgList.
> - const char *argPtr = startBuf;
> -
> - while (*argPtr++ && (argPtr < endBuf)) {
> - switch (*argPtr) {
> - case '^':
> - // Replace the '^' with '*'.
> - LocStart = LocStart.getLocWithOffset(argPtr-startBuf);
> - ReplaceText(LocStart, 1, "*");
> - break;
> - }
> - }
> - return;
> -}
> -
> -void RewriteModernObjC::RewriteImplicitCastObjCExpr(CastExpr *IC) {
> - CastKind CastKind = IC->getCastKind();
> - if (CastKind != CK_BlockPointerToObjCPointerCast &&
> - CastKind != CK_AnyPointerToBlockPointerCast)
> - return;
> -
> - QualType QT = IC->getType();
> - (void)convertBlockPointerToFunctionPointer(QT);
> - std::string TypeString(QT.getAsString(Context->getPrintingPolicy()));
> - std::string Str = "(";
> - Str += TypeString;
> - Str += ")";
> - InsertText(IC->getSubExpr()->getLocStart(), &Str[0], Str.size());
> -
> - return;
> -}
> -
> -void RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) {
> - SourceLocation DeclLoc = FD->getLocation();
> - unsigned parenCount = 0;
> -
> - // We have 1 or more arguments that have closure pointers.
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - const char *startArgList = strchr(startBuf, '(');
> -
> - assert((*startArgList == '(') && "Rewriter fuzzy parser confused");
> -
> - parenCount++;
> - // advance the location to startArgList.
> - DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf);
> - assert((DeclLoc.isValid()) && "Invalid DeclLoc");
> -
> - const char *argPtr = startArgList;
> -
> - while (*argPtr++ && parenCount) {
> - switch (*argPtr) {
> - case '^':
> - // Replace the '^' with '*'.
> - DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList);
> - ReplaceText(DeclLoc, 1, "*");
> - break;
> - case '(':
> - parenCount++;
> - break;
> - case ')':
> - parenCount--;
> - break;
> - }
> - }
> - return;
> -}
> -
> -bool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) {
> - const FunctionProtoType *FTP;
> - const PointerType *PT = QT->getAs<PointerType>();
> - if (PT) {
> - FTP = PT->getPointeeType()->getAs<FunctionProtoType>();
> - } else {
> - const BlockPointerType *BPT = QT->getAs<BlockPointerType>();
> - assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type");
> - FTP = BPT->getPointeeType()->getAs<FunctionProtoType>();
> - }
> - if (FTP) {
> - for (const auto &I : FTP->param_types())
> - if (isTopLevelBlockPointerType(I))
> - return true;
> - }
> - return false;
> -}
> -
> -bool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) {
> - const FunctionProtoType *FTP;
> - const PointerType *PT = QT->getAs<PointerType>();
> - if (PT) {
> - FTP = PT->getPointeeType()->getAs<FunctionProtoType>();
> - } else {
> - const BlockPointerType *BPT = QT->getAs<BlockPointerType>();
> - assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type");
> - FTP = BPT->getPointeeType()->getAs<FunctionProtoType>();
> - }
> - if (FTP) {
> - for (const auto &I : FTP->param_types()) {
> - if (I->isObjCQualifiedIdType())
> - return true;
> - if (I->isObjCObjectPointerType() &&
> - I->getPointeeType()->isObjCQualifiedInterfaceType())
> - return true;
> - }
> -
> - }
> - return false;
> -}
> -
> -void RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen,
> - const char *&RParen) {
> - const char *argPtr = strchr(Name, '(');
> - assert((*argPtr == '(') && "Rewriter fuzzy parser confused");
> -
> - LParen = argPtr; // output the start.
> - argPtr++; // skip past the left paren.
> - unsigned parenCount = 1;
> -
> - while (*argPtr && parenCount) {
> - switch (*argPtr) {
> - case '(': parenCount++; break;
> - case ')': parenCount--; break;
> - default: break;
> - }
> - if (parenCount) argPtr++;
> - }
> - assert((*argPtr == ')') && "Rewriter fuzzy parser confused");
> - RParen = argPtr; // output the end
> -}
> -
> -void RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) {
> - if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) {
> - RewriteBlockPointerFunctionArgs(FD);
> - return;
> - }
> - // Handle Variables and Typedefs.
> - SourceLocation DeclLoc = ND->getLocation();
> - QualType DeclT;
> - if (VarDecl *VD = dyn_cast<VarDecl>(ND))
> - DeclT = VD->getType();
> - else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND))
> - DeclT = TDD->getUnderlyingType();
> - else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND))
> - DeclT = FD->getType();
> - else
> - llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled");
> -
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - const char *endBuf = startBuf;
> - // scan backward (from the decl location) for the end of the previous decl.
> - while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart)
> - startBuf--;
> - SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf);
> - std::string buf;
> - unsigned OrigLength=0;
> - // *startBuf != '^' if we are dealing with a pointer to function that
> - // may take block argument types (which will be handled below).
> - if (*startBuf == '^') {
> - // Replace the '^' with '*', computing a negative offset.
> - buf = '*';
> - startBuf++;
> - OrigLength++;
> - }
> - while (*startBuf != ')') {
> - buf += *startBuf;
> - startBuf++;
> - OrigLength++;
> - }
> - buf += ')';
> - OrigLength++;
> -
> - if (PointerTypeTakesAnyBlockArguments(DeclT) ||
> - PointerTypeTakesAnyObjCQualifiedType(DeclT)) {
> - // Replace the '^' with '*' for arguments.
> - // Replace id<P> with id/*<>*/
> - DeclLoc = ND->getLocation();
> - startBuf = SM->getCharacterData(DeclLoc);
> - const char *argListBegin, *argListEnd;
> - GetExtentOfArgList(startBuf, argListBegin, argListEnd);
> - while (argListBegin < argListEnd) {
> - if (*argListBegin == '^')
> - buf += '*';
> - else if (*argListBegin == '<') {
> - buf += "/*";
> - buf += *argListBegin++;
> - OrigLength++;
> - while (*argListBegin != '>') {
> - buf += *argListBegin++;
> - OrigLength++;
> - }
> - buf += *argListBegin;
> - buf += "*/";
> - }
> - else
> - buf += *argListBegin;
> - argListBegin++;
> - OrigLength++;
> - }
> - buf += ')';
> - OrigLength++;
> - }
> - ReplaceText(Start, OrigLength, buf);
> -
> - return;
> -}
> -
> -
> -/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes:
> -/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst,
> -/// struct Block_byref_id_object *src) {
> -/// _Block_object_assign (&_dest->object, _src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT
> -/// [|BLOCK_FIELD_IS_WEAK]) // object
> -/// _Block_object_assign(&_dest->object, _src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK
> -/// [|BLOCK_FIELD_IS_WEAK]) // block
> -/// }
> -/// And:
> -/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) {
> -/// _Block_object_dispose(_src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT
> -/// [|BLOCK_FIELD_IS_WEAK]) // object
> -/// _Block_object_dispose(_src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK
> -/// [|BLOCK_FIELD_IS_WEAK]) // block
> -/// }
> -
> -std::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD,
> - int flag) {
> - std::string S;
> - if (CopyDestroyCache.count(flag))
> - return S;
> - CopyDestroyCache.insert(flag);
> - S = "static void __Block_byref_id_object_copy_";
> - S += utostr(flag);
> - S += "(void *dst, void *src) {\n";
> -
> - // offset into the object pointer is computed as:
> - // void * + void* + int + int + void* + void *
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> - unsigned VoidPtrSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy));
> -
> - unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth();
> - S += " _Block_object_assign((char*)dst + ";
> - S += utostr(offset);
> - S += ", *(void * *) ((char*)src + ";
> - S += utostr(offset);
> - S += "), ";
> - S += utostr(flag);
> - S += ");\n}\n";
> -
> - S += "static void __Block_byref_id_object_dispose_";
> - S += utostr(flag);
> - S += "(void *src) {\n";
> - S += " _Block_object_dispose(*(void * *) ((char*)src + ";
> - S += utostr(offset);
> - S += "), ";
> - S += utostr(flag);
> - S += ");\n}\n";
> - return S;
> -}
> -
> -/// RewriteByRefVar - For each __block typex ND variable this routine transforms
> -/// the declaration into:
> -/// struct __Block_byref_ND {
> -/// void *__isa; // NULL for everything except __weak pointers
> -/// struct __Block_byref_ND *__forwarding;
> -/// int32_t __flags;
> -/// int32_t __size;
> -/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object
> -/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object
> -/// typex ND;
> -/// };
> -///
> -/// It then replaces declaration of ND variable with:
> -/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag,
> -/// __size=sizeof(struct __Block_byref_ND),
> -/// ND=initializer-if-any};
> -///
> -///
> -void RewriteModernObjC::RewriteByRefVar(VarDecl *ND, bool firstDecl,
> - bool lastDecl) {
> - int flag = 0;
> - int isa = 0;
> - SourceLocation DeclLoc = ND->getTypeSpecStartLoc();
> - if (DeclLoc.isInvalid())
> - // If type location is missing, it is because of missing type (a warning).
> - // Use variable's location which is good for this case.
> - DeclLoc = ND->getLocation();
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - SourceLocation X = ND->getLocEnd();
> - X = SM->getExpansionLoc(X);
> - const char *endBuf = SM->getCharacterData(X);
> - std::string Name(ND->getNameAsString());
> - std::string ByrefType;
> - RewriteByRefString(ByrefType, Name, ND, true);
> - ByrefType += " {\n";
> - ByrefType += " void *__isa;\n";
> - RewriteByRefString(ByrefType, Name, ND);
> - ByrefType += " *__forwarding;\n";
> - ByrefType += " int __flags;\n";
> - ByrefType += " int __size;\n";
> - // Add void *__Block_byref_id_object_copy;
> - // void *__Block_byref_id_object_dispose; if needed.
> - QualType Ty = ND->getType();
> - bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty, ND);
> - if (HasCopyAndDispose) {
> - ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n";
> - ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n";
> - }
> -
> - QualType T = Ty;
> - (void)convertBlockPointerToFunctionPointer(T);
> - T.getAsStringInternal(Name, Context->getPrintingPolicy());
> -
> - ByrefType += " " + Name + ";\n";
> - ByrefType += "};\n";
> - // Insert this type in global scope. It is needed by helper function.
> - SourceLocation FunLocStart;
> - if (CurFunctionDef)
> - FunLocStart = getFunctionSourceLocation(*this, CurFunctionDef);
> - else {
> - assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null");
> - FunLocStart = CurMethodDef->getLocStart();
> - }
> - InsertText(FunLocStart, ByrefType);
> -
> - if (Ty.isObjCGCWeak()) {
> - flag |= BLOCK_FIELD_IS_WEAK;
> - isa = 1;
> - }
> - if (HasCopyAndDispose) {
> - flag = BLOCK_BYREF_CALLER;
> - QualType Ty = ND->getType();
> - // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well.
> - if (Ty->isBlockPointerType())
> - flag |= BLOCK_FIELD_IS_BLOCK;
> - else
> - flag |= BLOCK_FIELD_IS_OBJECT;
> - std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag);
> - if (!HF.empty())
> - Preamble += HF;
> - }
> -
> - // struct __Block_byref_ND ND =
> - // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND),
> - // initializer-if-any};
> - bool hasInit = (ND->getInit() != nullptr);
> - // FIXME. rewriter does not support __block c++ objects which
> - // require construction.
> - if (hasInit)
> - if (CXXConstructExpr *CExp = dyn_cast<CXXConstructExpr>(ND->getInit())) {
> - CXXConstructorDecl *CXXDecl = CExp->getConstructor();
> - if (CXXDecl && CXXDecl->isDefaultConstructor())
> - hasInit = false;
> - }
> -
> - unsigned flags = 0;
> - if (HasCopyAndDispose)
> - flags |= BLOCK_HAS_COPY_DISPOSE;
> - Name = ND->getNameAsString();
> - ByrefType.clear();
> - RewriteByRefString(ByrefType, Name, ND);
> - std::string ForwardingCastType("(");
> - ForwardingCastType += ByrefType + " *)";
> - ByrefType += " " + Name + " = {(void*)";
> - ByrefType += utostr(isa);
> - ByrefType += "," + ForwardingCastType + "&" + Name + ", ";
> - ByrefType += utostr(flags);
> - ByrefType += ", ";
> - ByrefType += "sizeof(";
> - RewriteByRefString(ByrefType, Name, ND);
> - ByrefType += ")";
> - if (HasCopyAndDispose) {
> - ByrefType += ", __Block_byref_id_object_copy_";
> - ByrefType += utostr(flag);
> - ByrefType += ", __Block_byref_id_object_dispose_";
> - ByrefType += utostr(flag);
> - }
> -
> - if (!firstDecl) {
> - // In multiple __block declarations, and for all but 1st declaration,
> - // find location of the separating comma. This would be start location
> - // where new text is to be inserted.
> - DeclLoc = ND->getLocation();
> - const char *startDeclBuf = SM->getCharacterData(DeclLoc);
> - const char *commaBuf = startDeclBuf;
> - while (*commaBuf != ',')
> - commaBuf--;
> - assert((*commaBuf == ',') && "RewriteByRefVar: can't find ','");
> - DeclLoc = DeclLoc.getLocWithOffset(commaBuf - startDeclBuf);
> - startBuf = commaBuf;
> - }
> -
> - if (!hasInit) {
> - ByrefType += "};\n";
> - unsigned nameSize = Name.size();
> - // for block or function pointer declaration. Name is aleady
> - // part of the declaration.
> - if (Ty->isBlockPointerType() || Ty->isFunctionPointerType())
> - nameSize = 1;
> - ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType);
> - }
> - else {
> - ByrefType += ", ";
> - SourceLocation startLoc;
> - Expr *E = ND->getInit();
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E))
> - startLoc = ECE->getLParenLoc();
> - else
> - startLoc = E->getLocStart();
> - startLoc = SM->getExpansionLoc(startLoc);
> - endBuf = SM->getCharacterData(startLoc);
> - ReplaceText(DeclLoc, endBuf-startBuf, ByrefType);
> -
> - const char separator = lastDecl ? ';' : ',';
> - const char *startInitializerBuf = SM->getCharacterData(startLoc);
> - const char *separatorBuf = strchr(startInitializerBuf, separator);
> - assert((*separatorBuf == separator) &&
> - "RewriteByRefVar: can't find ';' or ','");
> - SourceLocation separatorLoc =
> - startLoc.getLocWithOffset(separatorBuf-startInitializerBuf);
> -
> - InsertText(separatorLoc, lastDecl ? "}" : "};\n");
> - }
> - return;
> -}
> -
> -void RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) {
> - // Add initializers for any closure decl refs.
> - GetBlockDeclRefExprs(Exp->getBody());
> - if (BlockDeclRefs.size()) {
> - // Unique all "by copy" declarations.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
> - if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
> - BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
> - BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl());
> - }
> - }
> - // Unique all "by ref" declarations.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
> - if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
> - BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
> - BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl());
> - }
> - }
> - // Find any imported blocks...they will need special attention.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() ||
> - BlockDeclRefs[i]->getType()->isObjCObjectPointerType() ||
> - BlockDeclRefs[i]->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl());
> - }
> -}
> -
> -FunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) {
> - IdentifierInfo *ID = &Context->Idents.get(name);
> - QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy);
> - return FunctionDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), ID, FType, nullptr, SC_Extern,
> - false, false);
> -}
> -
> -Stmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp,
> - const SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs) {
> -
> - const BlockDecl *block = Exp->getBlockDecl();
> -
> - Blocks.push_back(Exp);
> -
> - CollectBlockDeclRefInfo(Exp);
> -
> - // Add inner imported variables now used in current block.
> - int countOfInnerDecls = 0;
> - if (!InnerBlockDeclRefs.empty()) {
> - for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) {
> - DeclRefExpr *Exp = InnerBlockDeclRefs[i];
> - ValueDecl *VD = Exp->getDecl();
> - if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) {
> - // We need to save the copied-in variables in nested
> - // blocks because it is needed at the end for some of the API generations.
> - // See SynthesizeBlockLiterals routine.
> - InnerDeclRefs.push_back(Exp); countOfInnerDecls++;
> - BlockDeclRefs.push_back(Exp);
> - BlockByCopyDeclsPtrSet.insert(VD);
> - BlockByCopyDecls.push_back(VD);
> - }
> - if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) {
> - InnerDeclRefs.push_back(Exp); countOfInnerDecls++;
> - BlockDeclRefs.push_back(Exp);
> - BlockByRefDeclsPtrSet.insert(VD);
> - BlockByRefDecls.push_back(VD);
> - }
> - }
> - // Find any imported blocks...they will need special attention.
> - for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++)
> - if (InnerBlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() ||
> - InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() ||
> - InnerBlockDeclRefs[i]->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl());
> - }
> - InnerDeclRefsCount.push_back(countOfInnerDecls);
> -
> - std::string FuncName;
> -
> - if (CurFunctionDef)
> - FuncName = CurFunctionDef->getNameAsString();
> - else if (CurMethodDef)
> - BuildUniqueMethodName(FuncName, CurMethodDef);
> - else if (GlobalVarDecl)
> - FuncName = std::string(GlobalVarDecl->getNameAsString());
> -
> - bool GlobalBlockExpr =
> - block->getDeclContext()->getRedeclContext()->isFileContext();
> -
> - if (GlobalBlockExpr && !GlobalVarDecl) {
> - Diags.Report(block->getLocation(), GlobalBlockRewriteFailedDiag);
> - GlobalBlockExpr = false;
> - }
> -
> - std::string BlockNumber = utostr(Blocks.size()-1);
> -
> - std::string Func = "__" + FuncName + "_block_func_" + BlockNumber;
> -
> - // Get a pointer to the function type so we can cast appropriately.
> - QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType());
> - QualType FType = Context->getPointerType(BFT);
> -
> - FunctionDecl *FD;
> - Expr *NewRep;
> -
> - // Simulate a constructor call...
> - std::string Tag;
> -
> - if (GlobalBlockExpr)
> - Tag = "__global_";
> - else
> - Tag = "__";
> - Tag += FuncName + "_block_impl_" + BlockNumber;
> -
> - FD = SynthBlockInitFunctionDecl(Tag);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, FType, VK_RValue,
> - SourceLocation());
> -
> - SmallVector<Expr*, 4> InitExprs;
> -
> - // Initialize the block function.
> - FD = SynthBlockInitFunctionDecl(Func);
> - DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, false, FD->getType(),
> - VK_LValue, SourceLocation());
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy,
> - CK_BitCast, Arg);
> - InitExprs.push_back(castExpr);
> -
> - // Initialize the block descriptor.
> - std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA";
> -
> - VarDecl *NewVD = VarDecl::Create(*Context, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get(DescData.c_str()),
> - Context->VoidPtrTy, nullptr,
> - SC_Static);
> - UnaryOperator *DescRefExpr =
> - new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, false,
> - Context->VoidPtrTy,
> - VK_LValue,
> - SourceLocation()),
> - UO_AddrOf,
> - Context->getPointerType(Context->VoidPtrTy),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - InitExprs.push_back(DescRefExpr);
> -
> - // Add initializers for any closure decl refs.
> - if (BlockDeclRefs.size()) {
> - Expr *Exp;
> - // Output all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - if (isObjCType((*I)->getType())) {
> - // FIXME: Conform to ABI ([[obj retain] autorelease]).
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(),
> - VK_LValue, SourceLocation());
> - if (HasLocalVariableExternalStorage(*I)) {
> - QualType QT = (*I)->getType();
> - QT = Context->getPointerType(QT);
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue,
> - OK_Ordinary, SourceLocation());
> - }
> - } else if (isTopLevelBlockPointerType((*I)->getType())) {
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Arg = new (Context) DeclRefExpr(FD, false, FD->getType(),
> - VK_LValue, SourceLocation());
> - Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy,
> - CK_BitCast, Arg);
> - } else {
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(),
> - VK_LValue, SourceLocation());
> - if (HasLocalVariableExternalStorage(*I)) {
> - QualType QT = (*I)->getType();
> - QT = Context->getPointerType(QT);
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue,
> - OK_Ordinary, SourceLocation());
> - }
> -
> - }
> - InitExprs.push_back(Exp);
> - }
> - // Output all "by ref" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - ValueDecl *ND = (*I);
> - std::string Name(ND->getNameAsString());
> - std::string RecName;
> - RewriteByRefString(RecName, Name, ND, true);
> - IdentifierInfo *II = &Context->Idents.get(RecName.c_str()
> - + sizeof("struct"));
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - II);
> - assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl");
> - QualType castT = Context->getPointerType(Context->getTagDeclType(RD));
> -
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue,
> - SourceLocation());
> - bool isNestedCapturedVar = false;
> - if (block)
> - for (const auto &CI : block->captures()) {
> - const VarDecl *variable = CI.getVariable();
> - if (variable == ND && CI.isNested()) {
> - assert (CI.isByRef() &&
> - "SynthBlockInitExpr - captured block variable is not byref");
> - isNestedCapturedVar = true;
> - break;
> - }
> - }
> - // captured nested byref variable has its address passed. Do not take
> - // its address again.
> - if (!isNestedCapturedVar)
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf,
> - Context->getPointerType(Exp->getType()),
> - VK_RValue, OK_Ordinary, SourceLocation());
> - Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp);
> - InitExprs.push_back(Exp);
> - }
> - }
> - if (ImportedBlockDecls.size()) {
> - // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR
> - int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR);
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> - Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag),
> - Context->IntTy, SourceLocation());
> - InitExprs.push_back(FlagExp);
> - }
> - NewRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - FType, VK_LValue, SourceLocation());
> -
> - if (GlobalBlockExpr) {
> - assert (!GlobalConstructionExp &&
> - "SynthBlockInitExpr - GlobalConstructionExp must be null");
> - GlobalConstructionExp = NewRep;
> - NewRep = DRE;
> - }
> -
> - NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf,
> - Context->getPointerType(NewRep->getType()),
> - VK_RValue, OK_Ordinary, SourceLocation());
> - NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast,
> - NewRep);
> - BlockDeclRefs.clear();
> - BlockByRefDecls.clear();
> - BlockByRefDeclsPtrSet.clear();
> - BlockByCopyDecls.clear();
> - BlockByCopyDeclsPtrSet.clear();
> - ImportedBlockDecls.clear();
> - return NewRep;
> -}
> -
> -bool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) {
> - if (const ObjCForCollectionStmt * CS =
> - dyn_cast<ObjCForCollectionStmt>(Stmts.back()))
> - return CS->getElement() == DS;
> - return false;
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Function Body / Expression rewriting
> -//===----------------------------------------------------------------------===//
> -
> -Stmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) {
> - if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) ||
> - isa<DoStmt>(S) || isa<ForStmt>(S))
> - Stmts.push_back(S);
> - else if (isa<ObjCForCollectionStmt>(S)) {
> - Stmts.push_back(S);
> - ObjCBcLabelNo.push_back(++BcLabelCount);
> - }
> -
> - // Pseudo-object operations and ivar references need special
> - // treatment because we're going to recursively rewrite them.
> - if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) {
> - if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) {
> - return RewritePropertyOrImplicitSetter(PseudoOp);
> - } else {
> - return RewritePropertyOrImplicitGetter(PseudoOp);
> - }
> - } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) {
> - return RewriteObjCIvarRefExpr(IvarRefExpr);
> - }
> - else if (isa<OpaqueValueExpr>(S))
> - S = cast<OpaqueValueExpr>(S)->getSourceExpr();
> -
> - SourceRange OrigStmtRange = S->getSourceRange();
> -
> - // Perform a bottom up rewrite of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - Stmt *childStmt = (*CI);
> - Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt);
> - if (newStmt) {
> - *CI = newStmt;
> - }
> - }
> -
> - if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) {
> - SmallVector<DeclRefExpr *, 8> InnerBlockDeclRefs;
> - llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts;
> - InnerContexts.insert(BE->getBlockDecl());
> - ImportedLocalExternalDecls.clear();
> - GetInnerBlockDeclRefExprs(BE->getBody(),
> - InnerBlockDeclRefs, InnerContexts);
> - // Rewrite the block body in place.
> - Stmt *SaveCurrentBody = CurrentBody;
> - CurrentBody = BE->getBody();
> - PropParentMap = nullptr;
> - // block literal on rhs of a property-dot-sytax assignment
> - // must be replaced by its synthesize ast so getRewrittenText
> - // works as expected. In this case, what actually ends up on RHS
> - // is the blockTranscribed which is the helper function for the
> - // block literal; as in: self.c = ^() {[ace ARR];};
> - bool saveDisableReplaceStmt = DisableReplaceStmt;
> - DisableReplaceStmt = false;
> - RewriteFunctionBodyOrGlobalInitializer(BE->getBody());
> - DisableReplaceStmt = saveDisableReplaceStmt;
> - CurrentBody = SaveCurrentBody;
> - PropParentMap = nullptr;
> - ImportedLocalExternalDecls.clear();
> - // Now we snarf the rewritten text and stash it away for later use.
> - std::string Str = Rewrite.getRewrittenText(BE->getSourceRange());
> - RewrittenBlockExprs[BE] = Str;
> -
> - Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs);
> -
> - //blockTranscribed->dump();
> - ReplaceStmt(S, blockTranscribed);
> - return blockTranscribed;
> - }
> - // Handle specific things.
> - if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S))
> - return RewriteAtEncode(AtEncode);
> -
> - if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S))
> - return RewriteAtSelector(AtSelector);
> -
> - if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S))
> - return RewriteObjCStringLiteral(AtString);
> -
> - if (ObjCBoolLiteralExpr *BoolLitExpr = dyn_cast<ObjCBoolLiteralExpr>(S))
> - return RewriteObjCBoolLiteralExpr(BoolLitExpr);
> -
> - if (ObjCBoxedExpr *BoxedExpr = dyn_cast<ObjCBoxedExpr>(S))
> - return RewriteObjCBoxedExpr(BoxedExpr);
> -
> - if (ObjCArrayLiteral *ArrayLitExpr = dyn_cast<ObjCArrayLiteral>(S))
> - return RewriteObjCArrayLiteralExpr(ArrayLitExpr);
> -
> - if (ObjCDictionaryLiteral *DictionaryLitExpr =
> - dyn_cast<ObjCDictionaryLiteral>(S))
> - return RewriteObjCDictionaryLiteralExpr(DictionaryLitExpr);
> -
> - if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) {
> -#if 0
> - // Before we rewrite it, put the original message expression in a comment.
> - SourceLocation startLoc = MessExpr->getLocStart();
> - SourceLocation endLoc = MessExpr->getLocEnd();
> -
> - const char *startBuf = SM->getCharacterData(startLoc);
> - const char *endBuf = SM->getCharacterData(endLoc);
> -
> - std::string messString;
> - messString += "// ";
> - messString.append(startBuf, endBuf-startBuf+1);
> - messString += "\n";
> -
> - // FIXME: Missing definition of
> - // InsertText(clang::SourceLocation, char const*, unsigned int).
> - // InsertText(startLoc, messString.c_str(), messString.size());
> - // Tried this, but it didn't work either...
> - // ReplaceText(startLoc, 0, messString.c_str(), messString.size());
> -#endif
> - return RewriteMessageExpr(MessExpr);
> - }
> -
> - if (ObjCAutoreleasePoolStmt *StmtAutoRelease =
> - dyn_cast<ObjCAutoreleasePoolStmt>(S)) {
> - return RewriteObjCAutoreleasePoolStmt(StmtAutoRelease);
> - }
> -
> - if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S))
> - return RewriteObjCTryStmt(StmtTry);
> -
> - if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S))
> - return RewriteObjCSynchronizedStmt(StmtTry);
> -
> - if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S))
> - return RewriteObjCThrowStmt(StmtThrow);
> -
> - if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S))
> - return RewriteObjCProtocolExpr(ProtocolExp);
> -
> - if (ObjCForCollectionStmt *StmtForCollection =
> - dyn_cast<ObjCForCollectionStmt>(S))
> - return RewriteObjCForCollectionStmt(StmtForCollection,
> - OrigStmtRange.getEnd());
> - if (BreakStmt *StmtBreakStmt =
> - dyn_cast<BreakStmt>(S))
> - return RewriteBreakStmt(StmtBreakStmt);
> - if (ContinueStmt *StmtContinueStmt =
> - dyn_cast<ContinueStmt>(S))
> - return RewriteContinueStmt(StmtContinueStmt);
> -
> - // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls
> - // and cast exprs.
> - if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) {
> - // FIXME: What we're doing here is modifying the type-specifier that
> - // precedes the first Decl. In the future the DeclGroup should have
> - // a separate type-specifier that we can rewrite.
> - // NOTE: We need to avoid rewriting the DeclStmt if it is within
> - // the context of an ObjCForCollectionStmt. For example:
> - // NSArray *someArray;
> - // for (id <FooProtocol> index in someArray) ;
> - // This is because RewriteObjCForCollectionStmt() does textual rewriting
> - // and it depends on the original text locations/positions.
> - if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS))
> - RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin());
> -
> - // Blocks rewrite rules.
> - for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end();
> - DI != DE; ++DI) {
> - Decl *SD = *DI;
> - if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) {
> - if (isTopLevelBlockPointerType(ND->getType()))
> - RewriteBlockPointerDecl(ND);
> - else if (ND->getType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(ND->getType(), ND);
> - if (VarDecl *VD = dyn_cast<VarDecl>(SD)) {
> - if (VD->hasAttr<BlocksAttr>()) {
> - static unsigned uniqueByrefDeclCount = 0;
> - assert(!BlockByRefDeclNo.count(ND) &&
> - "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl");
> - BlockByRefDeclNo[ND] = uniqueByrefDeclCount++;
> - RewriteByRefVar(VD, (DI == DS->decl_begin()), ((DI+1) == DE));
> - }
> - else
> - RewriteTypeOfDecl(VD);
> - }
> - }
> - if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) {
> - if (isTopLevelBlockPointerType(TD->getUnderlyingType()))
> - RewriteBlockPointerDecl(TD);
> - else if (TD->getUnderlyingType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(TD->getUnderlyingType(), TD);
> - }
> - }
> - }
> -
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S))
> - RewriteObjCQualifiedInterfaceTypes(CE);
> -
> - if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) ||
> - isa<DoStmt>(S) || isa<ForStmt>(S)) {
> - assert(!Stmts.empty() && "Statement stack is empty");
> - assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) ||
> - isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back()))
> - && "Statement stack mismatch");
> - Stmts.pop_back();
> - }
> - // Handle blocks rewriting.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - ValueDecl *VD = DRE->getDecl();
> - if (VD->hasAttr<BlocksAttr>())
> - return RewriteBlockDeclRefExpr(DRE);
> - if (HasLocalVariableExternalStorage(VD))
> - return RewriteLocalVariableExternalStorage(DRE);
> - }
> -
> - if (CallExpr *CE = dyn_cast<CallExpr>(S)) {
> - if (CE->getCallee()->getType()->isBlockPointerType()) {
> - Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee());
> - ReplaceStmt(S, BlockCall);
> - return BlockCall;
> - }
> - }
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) {
> - RewriteCastExpr(CE);
> - }
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) {
> - RewriteImplicitCastObjCExpr(ICE);
> - }
> -#if 0
> -
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) {
> - CastExpr *Replacement = new (Context) CastExpr(ICE->getType(),
> - ICE->getSubExpr(),
> - SourceLocation());
> - // Get the new text.
> - std::string SStr;
> - llvm::raw_string_ostream Buf(SStr);
> - Replacement->printPretty(Buf);
> - const std::string &Str = Buf.str();
> -
> - printf("CAST = %s\n", &Str[0]);
> - InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size());
> - delete S;
> - return Replacement;
> - }
> -#endif
> - // Return this stmt unmodified.
> - return S;
> -}
> -
> -void RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) {
> - for (auto *FD : RD->fields()) {
> - if (isTopLevelBlockPointerType(FD->getType()))
> - RewriteBlockPointerDecl(FD);
> - if (FD->getType()->isObjCQualifiedIdType() ||
> - FD->getType()->isObjCQualifiedInterfaceType())
> - RewriteObjCQualifiedInterfaceTypes(FD);
> - }
> -}
> -
> -/// HandleDeclInMainFile - This is called for each top-level decl defined in the
> -/// main file of the input.
> -void RewriteModernObjC::HandleDeclInMainFile(Decl *D) {
> - switch (D->getKind()) {
> - case Decl::Function: {
> - FunctionDecl *FD = cast<FunctionDecl>(D);
> - if (FD->isOverloadedOperator())
> - return;
> -
> - // Since function prototypes don't have ParmDecl's, we check the function
> - // prototype. This enables us to rewrite function declarations and
> - // definitions using the same code.
> - RewriteBlocksInFunctionProtoType(FD->getType(), FD);
> -
> - if (!FD->isThisDeclarationADefinition())
> - break;
> -
> - // FIXME: If this should support Obj-C++, support CXXTryStmt
> - if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) {
> - CurFunctionDef = FD;
> - CurrentBody = Body;
> - Body =
> - cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body));
> - FD->setBody(Body);
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - // This synthesizes and inserts the block "impl" struct, invoke function,
> - // and any copy/dispose helper functions.
> - InsertBlockLiteralsWithinFunction(FD);
> - RewriteLineDirective(D);
> - CurFunctionDef = nullptr;
> - }
> - break;
> - }
> - case Decl::ObjCMethod: {
> - ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D);
> - if (CompoundStmt *Body = MD->getCompoundBody()) {
> - CurMethodDef = MD;
> - CurrentBody = Body;
> - Body =
> - cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body));
> - MD->setBody(Body);
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - InsertBlockLiteralsWithinMethod(MD);
> - RewriteLineDirective(D);
> - CurMethodDef = nullptr;
> - }
> - break;
> - }
> - case Decl::ObjCImplementation: {
> - ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D);
> - ClassImplementation.push_back(CI);
> - break;
> - }
> - case Decl::ObjCCategoryImpl: {
> - ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D);
> - CategoryImplementation.push_back(CI);
> - break;
> - }
> - case Decl::Var: {
> - VarDecl *VD = cast<VarDecl>(D);
> - RewriteObjCQualifiedInterfaceTypes(VD);
> - if (isTopLevelBlockPointerType(VD->getType()))
> - RewriteBlockPointerDecl(VD);
> - else if (VD->getType()->isFunctionPointerType()) {
> - CheckFunctionPointerDecl(VD->getType(), VD);
> - if (VD->getInit()) {
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) {
> - RewriteCastExpr(CE);
> - }
> - }
> - } else if (VD->getType()->isRecordType()) {
> - RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl();
> - if (RD->isCompleteDefinition())
> - RewriteRecordBody(RD);
> - }
> - if (VD->getInit()) {
> - GlobalVarDecl = VD;
> - CurrentBody = VD->getInit();
> - RewriteFunctionBodyOrGlobalInitializer(VD->getInit());
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName());
> - GlobalVarDecl = nullptr;
> -
> - // This is needed for blocks.
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) {
> - RewriteCastExpr(CE);
> - }
> - }
> - break;
> - }
> - case Decl::TypeAlias:
> - case Decl::Typedef: {
> - if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) {
> - if (isTopLevelBlockPointerType(TD->getUnderlyingType()))
> - RewriteBlockPointerDecl(TD);
> - else if (TD->getUnderlyingType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(TD->getUnderlyingType(), TD);
> - else
> - RewriteObjCQualifiedInterfaceTypes(TD);
> - }
> - break;
> - }
> - case Decl::CXXRecord:
> - case Decl::Record: {
> - RecordDecl *RD = cast<RecordDecl>(D);
> - if (RD->isCompleteDefinition())
> - RewriteRecordBody(RD);
> - break;
> - }
> - default:
> - break;
> - }
> - // Nothing yet.
> -}
> -
> -/// Write_ProtocolExprReferencedMetadata - This routine writer out the
> -/// protocol reference symbols in the for of:
> -/// struct _protocol_t *PROTOCOL_REF = &PROTOCOL_METADATA.
> -static void Write_ProtocolExprReferencedMetadata(ASTContext *Context,
> - ObjCProtocolDecl *PDecl,
> - std::string &Result) {
> - // Also output .objc_protorefs$B section and its meta-data.
> - if (Context->getLangOpts().MicrosoftExt)
> - Result += "static ";
> - Result += "struct _protocol_t *";
> - Result += "_OBJC_PROTOCOL_REFERENCE_$_";
> - Result += PDecl->getNameAsString();
> - Result += " = &";
> - Result += "_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString();
> - Result += ";\n";
> -}
> -
> -void RewriteModernObjC::HandleTranslationUnit(ASTContext &C) {
> - if (Diags.hasErrorOccurred())
> - return;
> -
> - RewriteInclude();
> -
> - for (unsigned i = 0, e = FunctionDefinitionsSeen.size(); i < e; i++) {
> - // translation of function bodies were postponed until all class and
> - // their extensions and implementations are seen. This is because, we
> - // cannot build grouping structs for bitfields until they are all seen.
> - FunctionDecl *FDecl = FunctionDefinitionsSeen[i];
> - HandleTopLevelSingleDecl(FDecl);
> - }
> -
> - // Here's a great place to add any extra declarations that may be needed.
> - // Write out meta data for each @protocol(<expr>).
> - for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(),
> - E = ProtocolExprDecls.end(); I != E; ++I) {
> - RewriteObjCProtocolMetaData(*I, Preamble);
> - Write_ProtocolExprReferencedMetadata(Context, (*I), Preamble);
> - }
> -
> - InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false);
> -
> - if (ClassImplementation.size() || CategoryImplementation.size())
> - RewriteImplementations();
> -
> - for (unsigned i = 0, e = ObjCInterfacesSeen.size(); i < e; i++) {
> - ObjCInterfaceDecl *CDecl = ObjCInterfacesSeen[i];
> - // Write struct declaration for the class matching its ivar declarations.
> - // Note that for modern abi, this is postponed until the end of TU
> - // because class extensions and the implementation might declare their own
> - // private ivars.
> - RewriteInterfaceDecl(CDecl);
> - }
> -
> - // Get the buffer corresponding to MainFileID. If we haven't changed it, then
> - // we are done.
> - if (const RewriteBuffer *RewriteBuf =
> - Rewrite.getRewriteBufferFor(MainFileID)) {
> - //printf("Changed:\n");
> - *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end());
> - } else {
> - llvm::errs() << "No changes\n";
> - }
> -
> - if (ClassImplementation.size() || CategoryImplementation.size() ||
> - ProtocolExprDecls.size()) {
> - // Rewrite Objective-c meta data*
> - std::string ResultStr;
> - RewriteMetaDataIntoBuffer(ResultStr);
> - // Emit metadata.
> - *OutFile << ResultStr;
> - }
> - // Emit ImageInfo;
> - {
> - std::string ResultStr;
> - WriteImageInfo(ResultStr);
> - *OutFile << ResultStr;
> - }
> - OutFile->flush();
> -}
> -
> -void RewriteModernObjC::Initialize(ASTContext &context) {
> - InitializeCommon(context);
> -
> - Preamble += "#ifndef __OBJC2__\n";
> - Preamble += "#define __OBJC2__\n";
> - Preamble += "#endif\n";
> -
> - // declaring objc_selector outside the parameter list removes a silly
> - // scope related warning...
> - if (IsHeader)
> - Preamble = "#pragma once\n";
> - Preamble += "struct objc_selector; struct objc_class;\n";
> - Preamble += "struct __rw_objc_super { \n\tstruct objc_object *object; ";
> - Preamble += "\n\tstruct objc_object *superClass; ";
> - // Add a constructor for creating temporary objects.
> - Preamble += "\n\t__rw_objc_super(struct objc_object *o, struct objc_object *s) ";
> - Preamble += ": object(o), superClass(s) {} ";
> - Preamble += "\n};\n";
> -
> - if (LangOpts.MicrosoftExt) {
> - // Define all sections using syntax that makes sense.
> - // These are currently generated.
> - Preamble += "\n#pragma section(\".objc_classlist$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_catlist$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_imageinfo$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_nlclslist$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_nlcatlist$B\", long, read, write)\n";
> - // These are generated but not necessary for functionality.
> - Preamble += "#pragma section(\".cat_cls_meth$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".inst_meth$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".cls_meth$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_ivar$B\", long, read, write)\n";
> -
> - // These need be generated for performance. Currently they are not,
> - // using API calls instead.
> - Preamble += "#pragma section(\".objc_selrefs$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_classrefs$B\", long, read, write)\n";
> - Preamble += "#pragma section(\".objc_superrefs$B\", long, read, write)\n";
> -
> - }
> - Preamble += "#ifndef _REWRITER_typedef_Protocol\n";
> - Preamble += "typedef struct objc_object Protocol;\n";
> - Preamble += "#define _REWRITER_typedef_Protocol\n";
> - Preamble += "#endif\n";
> - if (LangOpts.MicrosoftExt) {
> - Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n";
> - Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n";
> - }
> - else
> - Preamble += "#define __OBJC_RW_DLLIMPORT extern\n";
> -
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend(void);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper(void);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_stret(void);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper_stret(void);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_fpret(void);\n";
> -
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *objc_getClass";
> - Preamble += "(const char *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass";
> - Preamble += "(struct objc_class *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *objc_getMetaClass";
> - Preamble += "(const char *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw( struct objc_object *);\n";
> - // @synchronized hooks.
> - Preamble += "__OBJC_RW_DLLIMPORT int objc_sync_enter( struct objc_object *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT int objc_sync_exit( struct objc_object *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n";
> - Preamble += "#ifdef _WIN64\n";
> - Preamble += "typedef unsigned long long _WIN_NSUInteger;\n";
> - Preamble += "#else\n";
> - Preamble += "typedef unsigned int _WIN_NSUInteger;\n";
> - Preamble += "#endif\n";
> - Preamble += "#ifndef __FASTENUMERATIONSTATE\n";
> - Preamble += "struct __objcFastEnumerationState {\n\t";
> - Preamble += "unsigned long state;\n\t";
> - Preamble += "void **itemsPtr;\n\t";
> - Preamble += "unsigned long *mutationsPtr;\n\t";
> - Preamble += "unsigned long extra[5];\n};\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n";
> - Preamble += "#define __FASTENUMERATIONSTATE\n";
> - Preamble += "#endif\n";
> - Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n";
> - Preamble += "struct __NSConstantStringImpl {\n";
> - Preamble += " int *isa;\n";
> - Preamble += " int flags;\n";
> - Preamble += " char *str;\n";
> - Preamble += "#if _WIN64\n";
> - Preamble += " long long length;\n";
> - Preamble += "#else\n";
> - Preamble += " long length;\n";
> - Preamble += "#endif\n";
> - Preamble += "};\n";
> - Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n";
> - Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n";
> - Preamble += "#else\n";
> - Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n";
> - Preamble += "#endif\n";
> - Preamble += "#define __NSCONSTANTSTRINGIMPL\n";
> - Preamble += "#endif\n";
> - // Blocks preamble.
> - Preamble += "#ifndef BLOCK_IMPL\n";
> - Preamble += "#define BLOCK_IMPL\n";
> - Preamble += "struct __block_impl {\n";
> - Preamble += " void *isa;\n";
> - Preamble += " int Flags;\n";
> - Preamble += " int Reserved;\n";
> - Preamble += " void *FuncPtr;\n";
> - Preamble += "};\n";
> - Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n";
> - Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n";
> - Preamble += "extern \"C\" __declspec(dllexport) "
> - "void _Block_object_assign(void *, const void *, const int);\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n";
> - Preamble += "#else\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n";
> - Preamble += "#endif\n";
> - Preamble += "#endif\n";
> - if (LangOpts.MicrosoftExt) {
> - Preamble += "#undef __OBJC_RW_DLLIMPORT\n";
> - Preamble += "#undef __OBJC_RW_STATICIMPORT\n";
> - Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests.
> - Preamble += "#define __attribute__(X)\n";
> - Preamble += "#endif\n";
> - Preamble += "#ifndef __weak\n";
> - Preamble += "#define __weak\n";
> - Preamble += "#endif\n";
> - Preamble += "#ifndef __block\n";
> - Preamble += "#define __block\n";
> - Preamble += "#endif\n";
> - }
> - else {
> - Preamble += "#define __block\n";
> - Preamble += "#define __weak\n";
> - }
> -
> - // Declarations required for modern objective-c array and dictionary literals.
> - Preamble += "\n#include <stdarg.h>\n";
> - Preamble += "struct __NSContainer_literal {\n";
> - Preamble += " void * *arr;\n";
> - Preamble += " __NSContainer_literal (unsigned int count, ...) {\n";
> - Preamble += "\tva_list marker;\n";
> - Preamble += "\tva_start(marker, count);\n";
> - Preamble += "\tarr = new void *[count];\n";
> - Preamble += "\tfor (unsigned i = 0; i < count; i++)\n";
> - Preamble += "\t arr[i] = va_arg(marker, void *);\n";
> - Preamble += "\tva_end( marker );\n";
> - Preamble += " };\n";
> - Preamble += " ~__NSContainer_literal() {\n";
> - Preamble += "\tdelete[] arr;\n";
> - Preamble += " }\n";
> - Preamble += "};\n";
> -
> - // Declaration required for implementation of @autoreleasepool statement.
> - Preamble += "extern \"C\" __declspec(dllimport) void * objc_autoreleasePoolPush(void);\n";
> - Preamble += "extern \"C\" __declspec(dllimport) void objc_autoreleasePoolPop(void *);\n\n";
> - Preamble += "struct __AtAutoreleasePool {\n";
> - Preamble += " __AtAutoreleasePool() {atautoreleasepoolobj = objc_autoreleasePoolPush();}\n";
> - Preamble += " ~__AtAutoreleasePool() {objc_autoreleasePoolPop(atautoreleasepoolobj);}\n";
> - Preamble += " void * atautoreleasepoolobj;\n";
> - Preamble += "};\n";
> -
> - // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long
> - // as this avoids warning in any 64bit/32bit compilation model.
> - Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n";
> -}
> -
> -/// RewriteIvarOffsetComputation - This rutine synthesizes computation of
> -/// ivar offset.
> -void RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar,
> - std::string &Result) {
> - Result += "__OFFSETOFIVAR__(struct ";
> - Result += ivar->getContainingInterface()->getNameAsString();
> - if (LangOpts.MicrosoftExt)
> - Result += "_IMPL";
> - Result += ", ";
> - if (ivar->isBitField())
> - ObjCIvarBitfieldGroupDecl(ivar, Result);
> - else
> - Result += ivar->getNameAsString();
> - Result += ")";
> -}
> -
> -/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI.
> -/// struct _prop_t {
> -/// const char *name;
> -/// char *attributes;
> -/// }
> -
> -/// struct _prop_list_t {
> -/// uint32_t entsize; // sizeof(struct _prop_t)
> -/// uint32_t count_of_properties;
> -/// struct _prop_t prop_list[count_of_properties];
> -/// }
> -
> -/// struct _protocol_t;
> -
> -/// struct _protocol_list_t {
> -/// long protocol_count; // Note, this is 32/64 bit
> -/// struct _protocol_t * protocol_list[protocol_count];
> -/// }
> -
> -/// struct _objc_method {
> -/// SEL _cmd;
> -/// const char *method_type;
> -/// char *_imp;
> -/// }
> -
> -/// struct _method_list_t {
> -/// uint32_t entsize; // sizeof(struct _objc_method)
> -/// uint32_t method_count;
> -/// struct _objc_method method_list[method_count];
> -/// }
> -
> -/// struct _protocol_t {
> -/// id isa; // NULL
> -/// const char *protocol_name;
> -/// const struct _protocol_list_t * protocol_list; // super protocols
> -/// const struct method_list_t *instance_methods;
> -/// const struct method_list_t *class_methods;
> -/// const struct method_list_t *optionalInstanceMethods;
> -/// const struct method_list_t *optionalClassMethods;
> -/// const struct _prop_list_t * properties;
> -/// const uint32_t size; // sizeof(struct _protocol_t)
> -/// const uint32_t flags; // = 0
> -/// const char ** extendedMethodTypes;
> -/// }
> -
> -/// struct _ivar_t {
> -/// unsigned long int *offset; // pointer to ivar offset location
> -/// const char *name;
> -/// const char *type;
> -/// uint32_t alignment;
> -/// uint32_t size;
> -/// }
> -
> -/// struct _ivar_list_t {
> -/// uint32 entsize; // sizeof(struct _ivar_t)
> -/// uint32 count;
> -/// struct _ivar_t list[count];
> -/// }
> -
> -/// struct _class_ro_t {
> -/// uint32_t flags;
> -/// uint32_t instanceStart;
> -/// uint32_t instanceSize;
> -/// uint32_t reserved; // only when building for 64bit targets
> -/// const uint8_t *ivarLayout;
> -/// const char *name;
> -/// const struct _method_list_t *baseMethods;
> -/// const struct _protocol_list_t *baseProtocols;
> -/// const struct _ivar_list_t *ivars;
> -/// const uint8_t *weakIvarLayout;
> -/// const struct _prop_list_t *properties;
> -/// }
> -
> -/// struct _class_t {
> -/// struct _class_t *isa;
> -/// struct _class_t *superclass;
> -/// void *cache;
> -/// IMP *vtable;
> -/// struct _class_ro_t *ro;
> -/// }
> -
> -/// struct _category_t {
> -/// const char *name;
> -/// struct _class_t *cls;
> -/// const struct _method_list_t *instance_methods;
> -/// const struct _method_list_t *class_methods;
> -/// const struct _protocol_list_t *protocols;
> -/// const struct _prop_list_t *properties;
> -/// }
> -
> -/// MessageRefTy - LLVM for:
> -/// struct _message_ref_t {
> -/// IMP messenger;
> -/// SEL name;
> -/// };
> -
> -/// SuperMessageRefTy - LLVM for:
> -/// struct _super_message_ref_t {
> -/// SUPER_IMP messenger;
> -/// SEL name;
> -/// };
> -
> -static void WriteModernMetadataDeclarations(ASTContext *Context, std::string &Result) {
> - static bool meta_data_declared = false;
> - if (meta_data_declared)
> - return;
> -
> - Result += "\nstruct _prop_t {\n";
> - Result += "\tconst char *name;\n";
> - Result += "\tconst char *attributes;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _protocol_t;\n";
> -
> - Result += "\nstruct _objc_method {\n";
> - Result += "\tstruct objc_selector * _cmd;\n";
> - Result += "\tconst char *method_type;\n";
> - Result += "\tvoid *_imp;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _protocol_t {\n";
> - Result += "\tvoid * isa; // NULL\n";
> - Result += "\tconst char *protocol_name;\n";
> - Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n";
> - Result += "\tconst struct method_list_t *instance_methods;\n";
> - Result += "\tconst struct method_list_t *class_methods;\n";
> - Result += "\tconst struct method_list_t *optionalInstanceMethods;\n";
> - Result += "\tconst struct method_list_t *optionalClassMethods;\n";
> - Result += "\tconst struct _prop_list_t * properties;\n";
> - Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n";
> - Result += "\tconst unsigned int flags; // = 0\n";
> - Result += "\tconst char ** extendedMethodTypes;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _ivar_t {\n";
> - Result += "\tunsigned long int *offset; // pointer to ivar offset location\n";
> - Result += "\tconst char *name;\n";
> - Result += "\tconst char *type;\n";
> - Result += "\tunsigned int alignment;\n";
> - Result += "\tunsigned int size;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _class_ro_t {\n";
> - Result += "\tunsigned int flags;\n";
> - Result += "\tunsigned int instanceStart;\n";
> - Result += "\tunsigned int instanceSize;\n";
> - const llvm::Triple &Triple(Context->getTargetInfo().getTriple());
> - if (Triple.getArch() == llvm::Triple::x86_64)
> - Result += "\tunsigned int reserved;\n";
> - Result += "\tconst unsigned char *ivarLayout;\n";
> - Result += "\tconst char *name;\n";
> - Result += "\tconst struct _method_list_t *baseMethods;\n";
> - Result += "\tconst struct _objc_protocol_list *baseProtocols;\n";
> - Result += "\tconst struct _ivar_list_t *ivars;\n";
> - Result += "\tconst unsigned char *weakIvarLayout;\n";
> - Result += "\tconst struct _prop_list_t *properties;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _class_t {\n";
> - Result += "\tstruct _class_t *isa;\n";
> - Result += "\tstruct _class_t *superclass;\n";
> - Result += "\tvoid *cache;\n";
> - Result += "\tvoid *vtable;\n";
> - Result += "\tstruct _class_ro_t *ro;\n";
> - Result += "};\n";
> -
> - Result += "\nstruct _category_t {\n";
> - Result += "\tconst char *name;\n";
> - Result += "\tstruct _class_t *cls;\n";
> - Result += "\tconst struct _method_list_t *instance_methods;\n";
> - Result += "\tconst struct _method_list_t *class_methods;\n";
> - Result += "\tconst struct _protocol_list_t *protocols;\n";
> - Result += "\tconst struct _prop_list_t *properties;\n";
> - Result += "};\n";
> -
> - Result += "extern \"C\" __declspec(dllimport) struct objc_cache _objc_empty_cache;\n";
> - Result += "#pragma warning(disable:4273)\n";
> - meta_data_declared = true;
> -}
> -
> -static void Write_protocol_list_t_TypeDecl(std::string &Result,
> - long super_protocol_count) {
> - Result += "struct /*_protocol_list_t*/"; Result += " {\n";
> - Result += "\tlong protocol_count; // Note, this is 32/64 bit\n";
> - Result += "\tstruct _protocol_t *super_protocols[";
> - Result += utostr(super_protocol_count); Result += "];\n";
> - Result += "}";
> -}
> -
> -static void Write_method_list_t_TypeDecl(std::string &Result,
> - unsigned int method_count) {
> - Result += "struct /*_method_list_t*/"; Result += " {\n";
> - Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n";
> - Result += "\tunsigned int method_count;\n";
> - Result += "\tstruct _objc_method method_list[";
> - Result += utostr(method_count); Result += "];\n";
> - Result += "}";
> -}
> -
> -static void Write__prop_list_t_TypeDecl(std::string &Result,
> - unsigned int property_count) {
> - Result += "struct /*_prop_list_t*/"; Result += " {\n";
> - Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n";
> - Result += "\tunsigned int count_of_properties;\n";
> - Result += "\tstruct _prop_t prop_list[";
> - Result += utostr(property_count); Result += "];\n";
> - Result += "}";
> -}
> -
> -static void Write__ivar_list_t_TypeDecl(std::string &Result,
> - unsigned int ivar_count) {
> - Result += "struct /*_ivar_list_t*/"; Result += " {\n";
> - Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n";
> - Result += "\tunsigned int count;\n";
> - Result += "\tstruct _ivar_t ivar_list[";
> - Result += utostr(ivar_count); Result += "];\n";
> - Result += "}";
> -}
> -
> -static void Write_protocol_list_initializer(ASTContext *Context, std::string &Result,
> - ArrayRef<ObjCProtocolDecl *> SuperProtocols,
> - StringRef VarName,
> - StringRef ProtocolName) {
> - if (SuperProtocols.size() > 0) {
> - Result += "\nstatic ";
> - Write_protocol_list_t_TypeDecl(Result, SuperProtocols.size());
> - Result += " "; Result += VarName;
> - Result += ProtocolName;
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n";
> - Result += "\t"; Result += utostr(SuperProtocols.size()); Result += ",\n";
> - for (unsigned i = 0, e = SuperProtocols.size(); i < e; i++) {
> - ObjCProtocolDecl *SuperPD = SuperProtocols[i];
> - Result += "\t&"; Result += "_OBJC_PROTOCOL_";
> - Result += SuperPD->getNameAsString();
> - if (i == e-1)
> - Result += "\n};\n";
> - else
> - Result += ",\n";
> - }
> - }
> -}
> -
> -static void Write_method_list_t_initializer(RewriteModernObjC &RewriteObj,
> - ASTContext *Context, std::string &Result,
> - ArrayRef<ObjCMethodDecl *> Methods,
> - StringRef VarName,
> - StringRef TopLevelDeclName,
> - bool MethodImpl) {
> - if (Methods.size() > 0) {
> - Result += "\nstatic ";
> - Write_method_list_t_TypeDecl(Result, Methods.size());
> - Result += " "; Result += VarName;
> - Result += TopLevelDeclName;
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n";
> - Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n";
> - Result += "\t"; Result += utostr(Methods.size()); Result += ",\n";
> - for (unsigned i = 0, e = Methods.size(); i < e; i++) {
> - ObjCMethodDecl *MD = Methods[i];
> - if (i == 0)
> - Result += "\t{{(struct objc_selector *)\"";
> - else
> - Result += "\t{(struct objc_selector *)\"";
> - Result += (MD)->getSelector().getAsString(); Result += "\"";
> - Result += ", ";
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl(MD, MethodTypeString);
> - Result += "\""; Result += MethodTypeString; Result += "\"";
> - Result += ", ";
> - if (!MethodImpl)
> - Result += "0";
> - else {
> - Result += "(void *)";
> - Result += RewriteObj.MethodInternalNames[MD];
> - }
> - if (i == e-1)
> - Result += "}}\n";
> - else
> - Result += "},\n";
> - }
> - Result += "};\n";
> - }
> -}
> -
> -static void Write_prop_list_t_initializer(RewriteModernObjC &RewriteObj,
> - ASTContext *Context, std::string &Result,
> - ArrayRef<ObjCPropertyDecl *> Properties,
> - const Decl *Container,
> - StringRef VarName,
> - StringRef ProtocolName) {
> - if (Properties.size() > 0) {
> - Result += "\nstatic ";
> - Write__prop_list_t_TypeDecl(Result, Properties.size());
> - Result += " "; Result += VarName;
> - Result += ProtocolName;
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n";
> - Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n";
> - Result += "\t"; Result += utostr(Properties.size()); Result += ",\n";
> - for (unsigned i = 0, e = Properties.size(); i < e; i++) {
> - ObjCPropertyDecl *PropDecl = Properties[i];
> - if (i == 0)
> - Result += "\t{{\"";
> - else
> - Result += "\t{\"";
> - Result += PropDecl->getName(); Result += "\",";
> - std::string PropertyTypeString, QuotePropertyTypeString;
> - Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString);
> - RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString);
> - Result += "\""; Result += QuotePropertyTypeString; Result += "\"";
> - if (i == e-1)
> - Result += "}}\n";
> - else
> - Result += "},\n";
> - }
> - Result += "};\n";
> - }
> -}
> -
> -// Metadata flags
> -enum MetaDataDlags {
> - CLS = 0x0,
> - CLS_META = 0x1,
> - CLS_ROOT = 0x2,
> - OBJC2_CLS_HIDDEN = 0x10,
> - CLS_EXCEPTION = 0x20,
> -
> - /// (Obsolete) ARC-specific: this class has a .release_ivars method
> - CLS_HAS_IVAR_RELEASER = 0x40,
> - /// class was compiled with -fobjc-arr
> - CLS_COMPILED_BY_ARC = 0x80 // (1<<7)
> -};
> -
> -static void Write__class_ro_t_initializer(ASTContext *Context, std::string &Result,
> - unsigned int flags,
> - const std::string &InstanceStart,
> - const std::string &InstanceSize,
> - ArrayRef<ObjCMethodDecl *>baseMethods,
> - ArrayRef<ObjCProtocolDecl *>baseProtocols,
> - ArrayRef<ObjCIvarDecl *>ivars,
> - ArrayRef<ObjCPropertyDecl *>Properties,
> - StringRef VarName,
> - StringRef ClassName) {
> - Result += "\nstatic struct _class_ro_t ";
> - Result += VarName; Result += ClassName;
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n";
> - Result += "\t";
> - Result += llvm::utostr(flags); Result += ", ";
> - Result += InstanceStart; Result += ", ";
> - Result += InstanceSize; Result += ", \n";
> - Result += "\t";
> - const llvm::Triple &Triple(Context->getTargetInfo().getTriple());
> - if (Triple.getArch() == llvm::Triple::x86_64)
> - // uint32_t const reserved; // only when building for 64bit targets
> - Result += "(unsigned int)0, \n\t";
> - // const uint8_t * const ivarLayout;
> - Result += "0, \n\t";
> - Result += "\""; Result += ClassName; Result += "\",\n\t";
> - bool metaclass = ((flags & CLS_META) != 0);
> - if (baseMethods.size() > 0) {
> - Result += "(const struct _method_list_t *)&";
> - if (metaclass)
> - Result += "_OBJC_$_CLASS_METHODS_";
> - else
> - Result += "_OBJC_$_INSTANCE_METHODS_";
> - Result += ClassName;
> - Result += ",\n\t";
> - }
> - else
> - Result += "0, \n\t";
> -
> - if (!metaclass && baseProtocols.size() > 0) {
> - Result += "(const struct _objc_protocol_list *)&";
> - Result += "_OBJC_CLASS_PROTOCOLS_$_"; Result += ClassName;
> - Result += ",\n\t";
> - }
> - else
> - Result += "0, \n\t";
> -
> - if (!metaclass && ivars.size() > 0) {
> - Result += "(const struct _ivar_list_t *)&";
> - Result += "_OBJC_$_INSTANCE_VARIABLES_"; Result += ClassName;
> - Result += ",\n\t";
> - }
> - else
> - Result += "0, \n\t";
> -
> - // weakIvarLayout
> - Result += "0, \n\t";
> - if (!metaclass && Properties.size() > 0) {
> - Result += "(const struct _prop_list_t *)&";
> - Result += "_OBJC_$_PROP_LIST_"; Result += ClassName;
> - Result += ",\n";
> - }
> - else
> - Result += "0, \n";
> -
> - Result += "};\n";
> -}
> -
> -static void Write_class_t(ASTContext *Context, std::string &Result,
> - StringRef VarName,
> - const ObjCInterfaceDecl *CDecl, bool metaclass) {
> - bool rootClass = (!CDecl->getSuperClass());
> - const ObjCInterfaceDecl *RootClass = CDecl;
> -
> - if (!rootClass) {
> - // Find the Root class
> - RootClass = CDecl->getSuperClass();
> - while (RootClass->getSuperClass()) {
> - RootClass = RootClass->getSuperClass();
> - }
> - }
> -
> - if (metaclass && rootClass) {
> - // Need to handle a case of use of forward declaration.
> - Result += "\n";
> - Result += "extern \"C\" ";
> - if (CDecl->getImplementation())
> - Result += "__declspec(dllexport) ";
> - else
> - Result += "__declspec(dllimport) ";
> -
> - Result += "struct _class_t OBJC_CLASS_$_";
> - Result += CDecl->getNameAsString();
> - Result += ";\n";
> - }
> - // Also, for possibility of 'super' metadata class not having been defined yet.
> - if (!rootClass) {
> - ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass();
> - Result += "\n";
> - Result += "extern \"C\" ";
> - if (SuperClass->getImplementation())
> - Result += "__declspec(dllexport) ";
> - else
> - Result += "__declspec(dllimport) ";
> -
> - Result += "struct _class_t ";
> - Result += VarName;
> - Result += SuperClass->getNameAsString();
> - Result += ";\n";
> -
> - if (metaclass && RootClass != SuperClass) {
> - Result += "extern \"C\" ";
> - if (RootClass->getImplementation())
> - Result += "__declspec(dllexport) ";
> - else
> - Result += "__declspec(dllimport) ";
> -
> - Result += "struct _class_t ";
> - Result += VarName;
> - Result += RootClass->getNameAsString();
> - Result += ";\n";
> - }
> - }
> -
> - Result += "\nextern \"C\" __declspec(dllexport) struct _class_t ";
> - Result += VarName; Result += CDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_data\"))) = {\n";
> - Result += "\t";
> - if (metaclass) {
> - if (!rootClass) {
> - Result += "0, // &"; Result += VarName;
> - Result += RootClass->getNameAsString();
> - Result += ",\n\t";
> - Result += "0, // &"; Result += VarName;
> - Result += CDecl->getSuperClass()->getNameAsString();
> - Result += ",\n\t";
> - }
> - else {
> - Result += "0, // &"; Result += VarName;
> - Result += CDecl->getNameAsString();
> - Result += ",\n\t";
> - Result += "0, // &OBJC_CLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ",\n\t";
> - }
> - }
> - else {
> - Result += "0, // &OBJC_METACLASS_$_";
> - Result += CDecl->getNameAsString();
> - Result += ",\n\t";
> - if (!rootClass) {
> - Result += "0, // &"; Result += VarName;
> - Result += CDecl->getSuperClass()->getNameAsString();
> - Result += ",\n\t";
> - }
> - else
> - Result += "0,\n\t";
> - }
> - Result += "0, // (void *)&_objc_empty_cache,\n\t";
> - Result += "0, // unused, was (void *)&_objc_empty_vtable,\n\t";
> - if (metaclass)
> - Result += "&_OBJC_METACLASS_RO_$_";
> - else
> - Result += "&_OBJC_CLASS_RO_$_";
> - Result += CDecl->getNameAsString();
> - Result += ",\n};\n";
> -
> - // Add static function to initialize some of the meta-data fields.
> - // avoid doing it twice.
> - if (metaclass)
> - return;
> -
> - const ObjCInterfaceDecl *SuperClass =
> - rootClass ? CDecl : CDecl->getSuperClass();
> -
> - Result += "static void OBJC_CLASS_SETUP_$_";
> - Result += CDecl->getNameAsString();
> - Result += "(void ) {\n";
> - Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".isa = "; Result += "&OBJC_METACLASS_$_";
> - Result += RootClass->getNameAsString(); Result += ";\n";
> -
> - Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".superclass = ";
> - if (rootClass)
> - Result += "&OBJC_CLASS_$_";
> - else
> - Result += "&OBJC_METACLASS_$_";
> -
> - Result += SuperClass->getNameAsString(); Result += ";\n";
> -
> - Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n";
> -
> - Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".isa = "; Result += "&OBJC_METACLASS_$_";
> - Result += CDecl->getNameAsString(); Result += ";\n";
> -
> - if (!rootClass) {
> - Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".superclass = "; Result += "&OBJC_CLASS_$_";
> - Result += SuperClass->getNameAsString(); Result += ";\n";
> - }
> -
> - Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString();
> - Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n";
> - Result += "}\n";
> -}
> -
> -static void Write_category_t(RewriteModernObjC &RewriteObj, ASTContext *Context,
> - std::string &Result,
> - ObjCCategoryDecl *CatDecl,
> - ObjCInterfaceDecl *ClassDecl,
> - ArrayRef<ObjCMethodDecl *> InstanceMethods,
> - ArrayRef<ObjCMethodDecl *> ClassMethods,
> - ArrayRef<ObjCProtocolDecl *> RefedProtocols,
> - ArrayRef<ObjCPropertyDecl *> ClassProperties) {
> - StringRef CatName = CatDecl->getName();
> - StringRef ClassName = ClassDecl->getName();
> - // must declare an extern class object in case this class is not implemented
> - // in this TU.
> - Result += "\n";
> - Result += "extern \"C\" ";
> - if (ClassDecl->getImplementation())
> - Result += "__declspec(dllexport) ";
> - else
> - Result += "__declspec(dllimport) ";
> -
> - Result += "struct _class_t ";
> - Result += "OBJC_CLASS_$_"; Result += ClassName;
> - Result += ";\n";
> -
> - Result += "\nstatic struct _category_t ";
> - Result += "_OBJC_$_CATEGORY_";
> - Result += ClassName; Result += "_$_"; Result += CatName;
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n";
> - Result += "{\n";
> - Result += "\t\""; Result += ClassName; Result += "\",\n";
> - Result += "\t0, // &"; Result += "OBJC_CLASS_$_"; Result += ClassName;
> - Result += ",\n";
> - if (InstanceMethods.size() > 0) {
> - Result += "\t(const struct _method_list_t *)&";
> - Result += "_OBJC_$_CATEGORY_INSTANCE_METHODS_";
> - Result += ClassName; Result += "_$_"; Result += CatName;
> - Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (ClassMethods.size() > 0) {
> - Result += "\t(const struct _method_list_t *)&";
> - Result += "_OBJC_$_CATEGORY_CLASS_METHODS_";
> - Result += ClassName; Result += "_$_"; Result += CatName;
> - Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (RefedProtocols.size() > 0) {
> - Result += "\t(const struct _protocol_list_t *)&";
> - Result += "_OBJC_CATEGORY_PROTOCOLS_$_";
> - Result += ClassName; Result += "_$_"; Result += CatName;
> - Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (ClassProperties.size() > 0) {
> - Result += "\t(const struct _prop_list_t *)&"; Result += "_OBJC_$_PROP_LIST_";
> - Result += ClassName; Result += "_$_"; Result += CatName;
> - Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - Result += "};\n";
> -
> - // Add static function to initialize the class pointer in the category structure.
> - Result += "static void OBJC_CATEGORY_SETUP_$_";
> - Result += ClassDecl->getNameAsString();
> - Result += "_$_";
> - Result += CatName;
> - Result += "(void ) {\n";
> - Result += "\t_OBJC_$_CATEGORY_";
> - Result += ClassDecl->getNameAsString();
> - Result += "_$_";
> - Result += CatName;
> - Result += ".cls = "; Result += "&OBJC_CLASS_$_"; Result += ClassName;
> - Result += ";\n}\n";
> -}
> -
> -static void Write__extendedMethodTypes_initializer(RewriteModernObjC &RewriteObj,
> - ASTContext *Context, std::string &Result,
> - ArrayRef<ObjCMethodDecl *> Methods,
> - StringRef VarName,
> - StringRef ProtocolName) {
> - if (Methods.size() == 0)
> - return;
> -
> - Result += "\nstatic const char *";
> - Result += VarName; Result += ProtocolName;
> - Result += " [] __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n";
> - Result += "{\n";
> - for (unsigned i = 0, e = Methods.size(); i < e; i++) {
> - ObjCMethodDecl *MD = Methods[i];
> - std::string MethodTypeString, QuoteMethodTypeString;
> - Context->getObjCEncodingForMethodDecl(MD, MethodTypeString, true);
> - RewriteObj.QuoteDoublequotes(MethodTypeString, QuoteMethodTypeString);
> - Result += "\t\""; Result += QuoteMethodTypeString; Result += "\"";
> - if (i == e-1)
> - Result += "\n};\n";
> - else {
> - Result += ",\n";
> - }
> - }
> -}
> -
> -static void Write_IvarOffsetVar(RewriteModernObjC &RewriteObj,
> - ASTContext *Context,
> - std::string &Result,
> - ArrayRef<ObjCIvarDecl *> Ivars,
> - ObjCInterfaceDecl *CDecl) {
> - // FIXME. visibilty of offset symbols may have to be set; for Darwin
> - // this is what happens:
> - /**
> - if (Ivar->getAccessControl() == ObjCIvarDecl::Private ||
> - Ivar->getAccessControl() == ObjCIvarDecl::Package ||
> - Class->getVisibility() == HiddenVisibility)
> - Visibility shoud be: HiddenVisibility;
> - else
> - Visibility shoud be: DefaultVisibility;
> - */
> -
> - Result += "\n";
> - for (unsigned i =0, e = Ivars.size(); i < e; i++) {
> - ObjCIvarDecl *IvarDecl = Ivars[i];
> - if (Context->getLangOpts().MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_ivar$B\")) ";
> -
> - if (!Context->getLangOpts().MicrosoftExt ||
> - IvarDecl->getAccessControl() == ObjCIvarDecl::Private ||
> - IvarDecl->getAccessControl() == ObjCIvarDecl::Package)
> - Result += "extern \"C\" unsigned long int ";
> - else
> - Result += "extern \"C\" __declspec(dllexport) unsigned long int ";
> - if (Ivars[i]->isBitField())
> - RewriteObj.ObjCIvarBitfieldGroupOffset(IvarDecl, Result);
> - else
> - WriteInternalIvarName(CDecl, IvarDecl, Result);
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))";
> - Result += " = ";
> - RewriteObj.RewriteIvarOffsetComputation(IvarDecl, Result);
> - Result += ";\n";
> - if (Ivars[i]->isBitField()) {
> - // skip over rest of the ivar bitfields.
> - SKIP_BITFIELDS(i , e, Ivars);
> - }
> - }
> -}
> -
> -static void Write__ivar_list_t_initializer(RewriteModernObjC &RewriteObj,
> - ASTContext *Context, std::string &Result,
> - ArrayRef<ObjCIvarDecl *> OriginalIvars,
> - StringRef VarName,
> - ObjCInterfaceDecl *CDecl) {
> - if (OriginalIvars.size() > 0) {
> - Write_IvarOffsetVar(RewriteObj, Context, Result, OriginalIvars, CDecl);
> - SmallVector<ObjCIvarDecl *, 8> Ivars;
> - // strip off all but the first ivar bitfield from each group of ivars.
> - // Such ivars in the ivar list table will be replaced by their grouping struct
> - // 'ivar'.
> - for (unsigned i = 0, e = OriginalIvars.size(); i < e; i++) {
> - if (OriginalIvars[i]->isBitField()) {
> - Ivars.push_back(OriginalIvars[i]);
> - // skip over rest of the ivar bitfields.
> - SKIP_BITFIELDS(i , e, OriginalIvars);
> - }
> - else
> - Ivars.push_back(OriginalIvars[i]);
> - }
> -
> - Result += "\nstatic ";
> - Write__ivar_list_t_TypeDecl(Result, Ivars.size());
> - Result += " "; Result += VarName;
> - Result += CDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n";
> - Result += "\t"; Result += "sizeof(_ivar_t)"; Result += ",\n";
> - Result += "\t"; Result += utostr(Ivars.size()); Result += ",\n";
> - for (unsigned i =0, e = Ivars.size(); i < e; i++) {
> - ObjCIvarDecl *IvarDecl = Ivars[i];
> - if (i == 0)
> - Result += "\t{{";
> - else
> - Result += "\t {";
> - Result += "(unsigned long int *)&";
> - if (Ivars[i]->isBitField())
> - RewriteObj.ObjCIvarBitfieldGroupOffset(IvarDecl, Result);
> - else
> - WriteInternalIvarName(CDecl, IvarDecl, Result);
> - Result += ", ";
> -
> - Result += "\"";
> - if (Ivars[i]->isBitField())
> - RewriteObj.ObjCIvarBitfieldGroupDecl(Ivars[i], Result);
> - else
> - Result += IvarDecl->getName();
> - Result += "\", ";
> -
> - QualType IVQT = IvarDecl->getType();
> - if (IvarDecl->isBitField())
> - IVQT = RewriteObj.GetGroupRecordTypeForObjCIvarBitfield(IvarDecl);
> -
> - std::string IvarTypeString, QuoteIvarTypeString;
> - Context->getObjCEncodingForType(IVQT, IvarTypeString,
> - IvarDecl);
> - RewriteObj.QuoteDoublequotes(IvarTypeString, QuoteIvarTypeString);
> - Result += "\""; Result += QuoteIvarTypeString; Result += "\", ";
> -
> - // FIXME. this alignment represents the host alignment and need be changed to
> - // represent the target alignment.
> - unsigned Align = Context->getTypeAlign(IVQT)/8;
> - Align = llvm::Log2_32(Align);
> - Result += llvm::utostr(Align); Result += ", ";
> - CharUnits Size = Context->getTypeSizeInChars(IVQT);
> - Result += llvm::utostr(Size.getQuantity());
> - if (i == e-1)
> - Result += "}}\n";
> - else
> - Result += "},\n";
> - }
> - Result += "};\n";
> - }
> -}
> -
> -/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data.
> -void RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl,
> - std::string &Result) {
> -
> - // Do not synthesize the protocol more than once.
> - if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl()))
> - return;
> - WriteModernMetadataDeclarations(Context, Result);
> -
> - if (ObjCProtocolDecl *Def = PDecl->getDefinition())
> - PDecl = Def;
> - // Must write out all protocol definitions in current qualifier list,
> - // and in their nested qualifiers before writing out current definition.
> - for (auto *I : PDecl->protocols())
> - RewriteObjCProtocolMetaData(I, Result);
> -
> - // Construct method lists.
> - std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods;
> - std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods;
> - for (auto *MD : PDecl->instance_methods()) {
> - if (MD->getImplementationControl() == ObjCMethodDecl::Optional) {
> - OptInstanceMethods.push_back(MD);
> - } else {
> - InstanceMethods.push_back(MD);
> - }
> - }
> -
> - for (auto *MD : PDecl->class_methods()) {
> - if (MD->getImplementationControl() == ObjCMethodDecl::Optional) {
> - OptClassMethods.push_back(MD);
> - } else {
> - ClassMethods.push_back(MD);
> - }
> - }
> - std::vector<ObjCMethodDecl *> AllMethods;
> - for (unsigned i = 0, e = InstanceMethods.size(); i < e; i++)
> - AllMethods.push_back(InstanceMethods[i]);
> - for (unsigned i = 0, e = ClassMethods.size(); i < e; i++)
> - AllMethods.push_back(ClassMethods[i]);
> - for (unsigned i = 0, e = OptInstanceMethods.size(); i < e; i++)
> - AllMethods.push_back(OptInstanceMethods[i]);
> - for (unsigned i = 0, e = OptClassMethods.size(); i < e; i++)
> - AllMethods.push_back(OptClassMethods[i]);
> -
> - Write__extendedMethodTypes_initializer(*this, Context, Result,
> - AllMethods,
> - "_OBJC_PROTOCOL_METHOD_TYPES_",
> - PDecl->getNameAsString());
> - // Protocol's super protocol list
> - SmallVector<ObjCProtocolDecl *, 8> SuperProtocols(PDecl->protocols());
> - Write_protocol_list_initializer(Context, Result, SuperProtocols,
> - "_OBJC_PROTOCOL_REFS_",
> - PDecl->getNameAsString());
> -
> - Write_method_list_t_initializer(*this, Context, Result, InstanceMethods,
> - "_OBJC_PROTOCOL_INSTANCE_METHODS_",
> - PDecl->getNameAsString(), false);
> -
> - Write_method_list_t_initializer(*this, Context, Result, ClassMethods,
> - "_OBJC_PROTOCOL_CLASS_METHODS_",
> - PDecl->getNameAsString(), false);
> -
> - Write_method_list_t_initializer(*this, Context, Result, OptInstanceMethods,
> - "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_",
> - PDecl->getNameAsString(), false);
> -
> - Write_method_list_t_initializer(*this, Context, Result, OptClassMethods,
> - "_OBJC_PROTOCOL_OPT_CLASS_METHODS_",
> - PDecl->getNameAsString(), false);
> -
> - // Protocol's property metadata.
> - SmallVector<ObjCPropertyDecl *, 8> ProtocolProperties(PDecl->properties());
> - Write_prop_list_t_initializer(*this, Context, Result, ProtocolProperties,
> - /* Container */nullptr,
> - "_OBJC_PROTOCOL_PROPERTIES_",
> - PDecl->getNameAsString());
> -
> - // Writer out root metadata for current protocol: struct _protocol_t
> - Result += "\n";
> - if (LangOpts.MicrosoftExt)
> - Result += "static ";
> - Result += "struct _protocol_t _OBJC_PROTOCOL_";
> - Result += PDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n";
> - Result += "\t0,\n"; // id is; is null
> - Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n";
> - if (SuperProtocols.size() > 0) {
> - Result += "\t(const struct _protocol_list_t *)&"; Result += "_OBJC_PROTOCOL_REFS_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> - if (InstanceMethods.size() > 0) {
> - Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (ClassMethods.size() > 0) {
> - Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (OptInstanceMethods.size() > 0) {
> - Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (OptClassMethods.size() > 0) {
> - Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - if (ProtocolProperties.size() > 0) {
> - Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_";
> - Result += PDecl->getNameAsString(); Result += ",\n";
> - }
> - else
> - Result += "\t0,\n";
> -
> - Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n";
> - Result += "\t0,\n";
> -
> - if (AllMethods.size() > 0) {
> - Result += "\t(const char **)&"; Result += "_OBJC_PROTOCOL_METHOD_TYPES_";
> - Result += PDecl->getNameAsString();
> - Result += "\n};\n";
> - }
> - else
> - Result += "\t0\n};\n";
> -
> - if (LangOpts.MicrosoftExt)
> - Result += "static ";
> - Result += "struct _protocol_t *";
> - Result += "_OBJC_LABEL_PROTOCOL_$_"; Result += PDecl->getNameAsString();
> - Result += " = &_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString();
> - Result += ";\n";
> -
> - // Mark this protocol as having been generated.
> - if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()))
> - llvm_unreachable("protocol already synthesized");
> -
> -}
> -
> -void RewriteModernObjC::RewriteObjCProtocolListMetaData(
> - const ObjCList<ObjCProtocolDecl> &Protocols,
> - StringRef prefix, StringRef ClassName,
> - std::string &Result) {
> - if (Protocols.empty()) return;
> -
> - for (unsigned i = 0; i != Protocols.size(); i++)
> - RewriteObjCProtocolMetaData(Protocols[i], Result);
> -
> - // Output the top lovel protocol meta-data for the class.
> - /* struct _objc_protocol_list {
> - struct _objc_protocol_list *next;
> - int protocol_count;
> - struct _objc_protocol *class_protocols[];
> - }
> - */
> - Result += "\n";
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".cat_cls_meth$B\")) ";
> - Result += "static struct {\n";
> - Result += "\tstruct _objc_protocol_list *next;\n";
> - Result += "\tint protocol_count;\n";
> - Result += "\tstruct _objc_protocol *class_protocols[";
> - Result += utostr(Protocols.size());
> - Result += "];\n} _OBJC_";
> - Result += prefix;
> - Result += "_PROTOCOLS_";
> - Result += ClassName;
> - Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= "
> - "{\n\t0, ";
> - Result += utostr(Protocols.size());
> - Result += "\n";
> -
> - Result += "\t,{&_OBJC_PROTOCOL_";
> - Result += Protocols[0]->getNameAsString();
> - Result += " \n";
> -
> - for (unsigned i = 1; i != Protocols.size(); i++) {
> - Result += "\t ,&_OBJC_PROTOCOL_";
> - Result += Protocols[i]->getNameAsString();
> - Result += "\n";
> - }
> - Result += "\t }\n};\n";
> -}
> -
> -/// hasObjCExceptionAttribute - Return true if this class or any super
> -/// class has the __objc_exception__ attribute.
> -/// FIXME. Move this to ASTContext.cpp as it is also used for IRGen.
> -static bool hasObjCExceptionAttribute(ASTContext &Context,
> - const ObjCInterfaceDecl *OID) {
> - if (OID->hasAttr<ObjCExceptionAttr>())
> - return true;
> - if (const ObjCInterfaceDecl *Super = OID->getSuperClass())
> - return hasObjCExceptionAttribute(Context, Super);
> - return false;
> -}
> -
> -void RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
> - std::string &Result) {
> - ObjCInterfaceDecl *CDecl = IDecl->getClassInterface();
> -
> - // Explicitly declared @interface's are already synthesized.
> - if (CDecl->isImplicitInterfaceDecl())
> - assert(false &&
> - "Legacy implicit interface rewriting not supported in moder abi");
> -
> - WriteModernMetadataDeclarations(Context, Result);
> - SmallVector<ObjCIvarDecl *, 8> IVars;
> -
> - for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
> - IVD; IVD = IVD->getNextIvar()) {
> - // Ignore unnamed bit-fields.
> - if (!IVD->getDeclName())
> - continue;
> - IVars.push_back(IVD);
> - }
> -
> - Write__ivar_list_t_initializer(*this, Context, Result, IVars,
> - "_OBJC_$_INSTANCE_VARIABLES_",
> - CDecl);
> -
> - // Build _objc_method_list for class's instance methods if needed
> - SmallVector<ObjCMethodDecl *, 32> InstanceMethods(IDecl->instance_methods());
> -
> - // If any of our property implementations have associated getters or
> - // setters, produce metadata for them as well.
> - for (const auto *Prop : IDecl->property_impls()) {
> - if (Prop->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - continue;
> - if (!Prop->getPropertyIvarDecl())
> - continue;
> - ObjCPropertyDecl *PD = Prop->getPropertyDecl();
> - if (!PD)
> - continue;
> - if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl())
> - if (mustSynthesizeSetterGetterMethod(IDecl, PD, true /*getter*/))
> - InstanceMethods.push_back(Getter);
> - if (PD->isReadOnly())
> - continue;
> - if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl())
> - if (mustSynthesizeSetterGetterMethod(IDecl, PD, false /*setter*/))
> - InstanceMethods.push_back(Setter);
> - }
> -
> - Write_method_list_t_initializer(*this, Context, Result, InstanceMethods,
> - "_OBJC_$_INSTANCE_METHODS_",
> - IDecl->getNameAsString(), true);
> -
> - SmallVector<ObjCMethodDecl *, 32> ClassMethods(IDecl->class_methods());
> -
> - Write_method_list_t_initializer(*this, Context, Result, ClassMethods,
> - "_OBJC_$_CLASS_METHODS_",
> - IDecl->getNameAsString(), true);
> -
> - // Protocols referenced in class declaration?
> - // Protocol's super protocol list
> - std::vector<ObjCProtocolDecl *> RefedProtocols;
> - const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols();
> - for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
> - E = Protocols.end();
> - I != E; ++I) {
> - RefedProtocols.push_back(*I);
> - // Must write out all protocol definitions in current qualifier list,
> - // and in their nested qualifiers before writing out current definition.
> - RewriteObjCProtocolMetaData(*I, Result);
> - }
> -
> - Write_protocol_list_initializer(Context, Result,
> - RefedProtocols,
> - "_OBJC_CLASS_PROTOCOLS_$_",
> - IDecl->getNameAsString());
> -
> - // Protocol's property metadata.
> - SmallVector<ObjCPropertyDecl *, 8> ClassProperties(CDecl->properties());
> - Write_prop_list_t_initializer(*this, Context, Result, ClassProperties,
> - /* Container */IDecl,
> - "_OBJC_$_PROP_LIST_",
> - CDecl->getNameAsString());
> -
> -
> - // Data for initializing _class_ro_t metaclass meta-data
> - uint32_t flags = CLS_META;
> - std::string InstanceSize;
> - std::string InstanceStart;
> -
> -
> - bool classIsHidden = CDecl->getVisibility() == HiddenVisibility;
> - if (classIsHidden)
> - flags |= OBJC2_CLS_HIDDEN;
> -
> - if (!CDecl->getSuperClass())
> - // class is root
> - flags |= CLS_ROOT;
> - InstanceSize = "sizeof(struct _class_t)";
> - InstanceStart = InstanceSize;
> - Write__class_ro_t_initializer(Context, Result, flags,
> - InstanceStart, InstanceSize,
> - ClassMethods,
> - nullptr,
> - nullptr,
> - nullptr,
> - "_OBJC_METACLASS_RO_$_",
> - CDecl->getNameAsString());
> -
> - // Data for initializing _class_ro_t meta-data
> - flags = CLS;
> - if (classIsHidden)
> - flags |= OBJC2_CLS_HIDDEN;
> -
> - if (hasObjCExceptionAttribute(*Context, CDecl))
> - flags |= CLS_EXCEPTION;
> -
> - if (!CDecl->getSuperClass())
> - // class is root
> - flags |= CLS_ROOT;
> -
> - InstanceSize.clear();
> - InstanceStart.clear();
> - if (!ObjCSynthesizedStructs.count(CDecl)) {
> - InstanceSize = "0";
> - InstanceStart = "0";
> - }
> - else {
> - InstanceSize = "sizeof(struct ";
> - InstanceSize += CDecl->getNameAsString();
> - InstanceSize += "_IMPL)";
> -
> - ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin();
> - if (IVD) {
> - RewriteIvarOffsetComputation(IVD, InstanceStart);
> - }
> - else
> - InstanceStart = InstanceSize;
> - }
> - Write__class_ro_t_initializer(Context, Result, flags,
> - InstanceStart, InstanceSize,
> - InstanceMethods,
> - RefedProtocols,
> - IVars,
> - ClassProperties,
> - "_OBJC_CLASS_RO_$_",
> - CDecl->getNameAsString());
> -
> - Write_class_t(Context, Result,
> - "OBJC_METACLASS_$_",
> - CDecl, /*metaclass*/true);
> -
> - Write_class_t(Context, Result,
> - "OBJC_CLASS_$_",
> - CDecl, /*metaclass*/false);
> -
> - if (ImplementationIsNonLazy(IDecl))
> - DefinedNonLazyClasses.push_back(CDecl);
> -
> -}
> -
> -void RewriteModernObjC::RewriteClassSetupInitHook(std::string &Result) {
> - int ClsDefCount = ClassImplementation.size();
> - if (!ClsDefCount)
> - return;
> - Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n";
> - Result += "__declspec(allocate(\".objc_inithooks$B\")) ";
> - Result += "static void *OBJC_CLASS_SETUP[] = {\n";
> - for (int i = 0; i < ClsDefCount; i++) {
> - ObjCImplementationDecl *IDecl = ClassImplementation[i];
> - ObjCInterfaceDecl *CDecl = IDecl->getClassInterface();
> - Result += "\t(void *)&OBJC_CLASS_SETUP_$_";
> - Result += CDecl->getName(); Result += ",\n";
> - }
> - Result += "};\n";
> -}
> -
> -void RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) {
> - int ClsDefCount = ClassImplementation.size();
> - int CatDefCount = CategoryImplementation.size();
> -
> - // For each implemented class, write out all its meta data.
> - for (int i = 0; i < ClsDefCount; i++)
> - RewriteObjCClassMetaData(ClassImplementation[i], Result);
> -
> - RewriteClassSetupInitHook(Result);
> -
> - // For each implemented category, write out all its meta data.
> - for (int i = 0; i < CatDefCount; i++)
> - RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result);
> -
> - RewriteCategorySetupInitHook(Result);
> -
> - if (ClsDefCount > 0) {
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_classlist$B\")) ";
> - Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ [";
> - Result += llvm::utostr(ClsDefCount); Result += "]";
> - Result +=
> - " __attribute__((used, section (\"__DATA, __objc_classlist,"
> - "regular,no_dead_strip\")))= {\n";
> - for (int i = 0; i < ClsDefCount; i++) {
> - Result += "\t&OBJC_CLASS_$_";
> - Result += ClassImplementation[i]->getNameAsString();
> - Result += ",\n";
> - }
> - Result += "};\n";
> -
> - if (!DefinedNonLazyClasses.empty()) {
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_nlclslist$B\")) \n";
> - Result += "static struct _class_t *_OBJC_LABEL_NONLAZY_CLASS_$[] = {\n\t";
> - for (unsigned i = 0, e = DefinedNonLazyClasses.size(); i < e; i++) {
> - Result += "\t&OBJC_CLASS_$_"; Result += DefinedNonLazyClasses[i]->getNameAsString();
> - Result += ",\n";
> - }
> - Result += "};\n";
> - }
> - }
> -
> - if (CatDefCount > 0) {
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_catlist$B\")) ";
> - Result += "static struct _category_t *L_OBJC_LABEL_CATEGORY_$ [";
> - Result += llvm::utostr(CatDefCount); Result += "]";
> - Result +=
> - " __attribute__((used, section (\"__DATA, __objc_catlist,"
> - "regular,no_dead_strip\")))= {\n";
> - for (int i = 0; i < CatDefCount; i++) {
> - Result += "\t&_OBJC_$_CATEGORY_";
> - Result +=
> - CategoryImplementation[i]->getClassInterface()->getNameAsString();
> - Result += "_$_";
> - Result += CategoryImplementation[i]->getNameAsString();
> - Result += ",\n";
> - }
> - Result += "};\n";
> - }
> -
> - if (!DefinedNonLazyCategories.empty()) {
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_nlcatlist$B\")) \n";
> - Result += "static struct _category_t *_OBJC_LABEL_NONLAZY_CATEGORY_$[] = {\n\t";
> - for (unsigned i = 0, e = DefinedNonLazyCategories.size(); i < e; i++) {
> - Result += "\t&_OBJC_$_CATEGORY_";
> - Result +=
> - DefinedNonLazyCategories[i]->getClassInterface()->getNameAsString();
> - Result += "_$_";
> - Result += DefinedNonLazyCategories[i]->getNameAsString();
> - Result += ",\n";
> - }
> - Result += "};\n";
> - }
> -}
> -
> -void RewriteModernObjC::WriteImageInfo(std::string &Result) {
> - if (LangOpts.MicrosoftExt)
> - Result += "__declspec(allocate(\".objc_imageinfo$B\")) \n";
> -
> - Result += "static struct IMAGE_INFO { unsigned version; unsigned flag; } ";
> - // version 0, ObjCABI is 2
> - Result += "_OBJC_IMAGE_INFO = { 0, 2 };\n";
> -}
> -
> -/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category
> -/// implementation.
> -void RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl,
> - std::string &Result) {
> - WriteModernMetadataDeclarations(Context, Result);
> - ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface();
> - // Find category declaration for this implementation.
> - ObjCCategoryDecl *CDecl
> - = ClassDecl->FindCategoryDeclaration(IDecl->getIdentifier());
> -
> - std::string FullCategoryName = ClassDecl->getNameAsString();
> - FullCategoryName += "_$_";
> - FullCategoryName += CDecl->getNameAsString();
> -
> - // Build _objc_method_list for class's instance methods if needed
> - SmallVector<ObjCMethodDecl *, 32> InstanceMethods(IDecl->instance_methods());
> -
> - // If any of our property implementations have associated getters or
> - // setters, produce metadata for them as well.
> - for (const auto *Prop : IDecl->property_impls()) {
> - if (Prop->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - continue;
> - if (!Prop->getPropertyIvarDecl())
> - continue;
> - ObjCPropertyDecl *PD = Prop->getPropertyDecl();
> - if (!PD)
> - continue;
> - if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl())
> - InstanceMethods.push_back(Getter);
> - if (PD->isReadOnly())
> - continue;
> - if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl())
> - InstanceMethods.push_back(Setter);
> - }
> -
> - Write_method_list_t_initializer(*this, Context, Result, InstanceMethods,
> - "_OBJC_$_CATEGORY_INSTANCE_METHODS_",
> - FullCategoryName, true);
> -
> - SmallVector<ObjCMethodDecl *, 32> ClassMethods(IDecl->class_methods());
> -
> - Write_method_list_t_initializer(*this, Context, Result, ClassMethods,
> - "_OBJC_$_CATEGORY_CLASS_METHODS_",
> - FullCategoryName, true);
> -
> - // Protocols referenced in class declaration?
> - // Protocol's super protocol list
> - SmallVector<ObjCProtocolDecl *, 8> RefedProtocols(CDecl->protocols());
> - for (auto *I : CDecl->protocols())
> - // Must write out all protocol definitions in current qualifier list,
> - // and in their nested qualifiers before writing out current definition.
> - RewriteObjCProtocolMetaData(I, Result);
> -
> - Write_protocol_list_initializer(Context, Result,
> - RefedProtocols,
> - "_OBJC_CATEGORY_PROTOCOLS_$_",
> - FullCategoryName);
> -
> - // Protocol's property metadata.
> - SmallVector<ObjCPropertyDecl *, 8> ClassProperties(CDecl->properties());
> - Write_prop_list_t_initializer(*this, Context, Result, ClassProperties,
> - /* Container */IDecl,
> - "_OBJC_$_PROP_LIST_",
> - FullCategoryName);
> -
> - Write_category_t(*this, Context, Result,
> - CDecl,
> - ClassDecl,
> - InstanceMethods,
> - ClassMethods,
> - RefedProtocols,
> - ClassProperties);
> -
> - // Determine if this category is also "non-lazy".
> - if (ImplementationIsNonLazy(IDecl))
> - DefinedNonLazyCategories.push_back(CDecl);
> -
> -}
> -
> -void RewriteModernObjC::RewriteCategorySetupInitHook(std::string &Result) {
> - int CatDefCount = CategoryImplementation.size();
> - if (!CatDefCount)
> - return;
> - Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n";
> - Result += "__declspec(allocate(\".objc_inithooks$B\")) ";
> - Result += "static void *OBJC_CATEGORY_SETUP[] = {\n";
> - for (int i = 0; i < CatDefCount; i++) {
> - ObjCCategoryImplDecl *IDecl = CategoryImplementation[i];
> - ObjCCategoryDecl *CatDecl= IDecl->getCategoryDecl();
> - ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface();
> - Result += "\t(void *)&OBJC_CATEGORY_SETUP_$_";
> - Result += ClassDecl->getName();
> - Result += "_$_";
> - Result += CatDecl->getName();
> - Result += ",\n";
> - }
> - Result += "};\n";
> -}
> -
> -// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or
> -/// class methods.
> -template<typename MethodIterator>
> -void RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin,
> - MethodIterator MethodEnd,
> - bool IsInstanceMethod,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result) {
> - if (MethodBegin == MethodEnd) return;
> -
> - if (!objc_impl_method) {
> - /* struct _objc_method {
> - SEL _cmd;
> - char *method_types;
> - void *_imp;
> - }
> - */
> - Result += "\nstruct _objc_method {\n";
> - Result += "\tSEL _cmd;\n";
> - Result += "\tchar *method_types;\n";
> - Result += "\tvoid *_imp;\n";
> - Result += "};\n";
> -
> - objc_impl_method = true;
> - }
> -
> - // Build _objc_method_list for class's methods if needed
> -
> - /* struct {
> - struct _objc_method_list *next_method;
> - int method_count;
> - struct _objc_method method_list[];
> - }
> - */
> - unsigned NumMethods = std::distance(MethodBegin, MethodEnd);
> - Result += "\n";
> - if (LangOpts.MicrosoftExt) {
> - if (IsInstanceMethod)
> - Result += "__declspec(allocate(\".inst_meth$B\")) ";
> - else
> - Result += "__declspec(allocate(\".cls_meth$B\")) ";
> - }
> - Result += "static struct {\n";
> - Result += "\tstruct _objc_method_list *next_method;\n";
> - Result += "\tint method_count;\n";
> - Result += "\tstruct _objc_method method_list[";
> - Result += utostr(NumMethods);
> - Result += "];\n} _OBJC_";
> - Result += prefix;
> - Result += IsInstanceMethod ? "INSTANCE" : "CLASS";
> - Result += "_METHODS_";
> - Result += ClassName;
> - Result += " __attribute__ ((used, section (\"__OBJC, __";
> - Result += IsInstanceMethod ? "inst" : "cls";
> - Result += "_meth\")))= ";
> - Result += "{\n\t0, " + utostr(NumMethods) + "\n";
> -
> - Result += "\t,{{(SEL)\"";
> - Result += (*MethodBegin)->getSelector().getAsString().c_str();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\", (void *)";
> - Result += MethodInternalNames[*MethodBegin];
> - Result += "}\n";
> - for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) {
> - Result += "\t ,{(SEL)\"";
> - Result += (*MethodBegin)->getSelector().getAsString().c_str();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\", (void *)";
> - Result += MethodInternalNames[*MethodBegin];
> - Result += "}\n";
> - }
> - Result += "\t }\n};\n";
> -}
> -
> -Stmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) {
> - SourceRange OldRange = IV->getSourceRange();
> - Expr *BaseExpr = IV->getBase();
> -
> - // Rewrite the base, but without actually doing replaces.
> - {
> - DisableReplaceStmtScope S(*this);
> - BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr));
> - IV->setBase(BaseExpr);
> - }
> -
> - ObjCIvarDecl *D = IV->getDecl();
> -
> - Expr *Replacement = IV;
> -
> - if (BaseExpr->getType()->isObjCObjectPointerType()) {
> - const ObjCInterfaceType *iFaceDecl =
> - dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType());
> - assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null");
> - // lookup which class implements the instance variable.
> - ObjCInterfaceDecl *clsDeclared = nullptr;
> - iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(),
> - clsDeclared);
> - assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class");
> -
> - // Build name of symbol holding ivar offset.
> - std::string IvarOffsetName;
> - if (D->isBitField())
> - ObjCIvarBitfieldGroupOffset(D, IvarOffsetName);
> - else
> - WriteInternalIvarName(clsDeclared, D, IvarOffsetName);
> -
> - ReferencedIvars[clsDeclared].insert(D);
> -
> - // cast offset to "char *".
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->CharTy),
> - CK_BitCast,
> - BaseExpr);
> - VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), &Context->Idents.get(IvarOffsetName),
> - Context->UnsignedLongTy, nullptr,
> - SC_Extern);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false,
> - Context->UnsignedLongTy, VK_LValue,
> - SourceLocation());
> - BinaryOperator *addExpr =
> - new (Context) BinaryOperator(castExpr, DRE, BO_Add,
> - Context->getPointerType(Context->CharTy),
> - VK_RValue, OK_Ordinary, SourceLocation(), false);
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(),
> - SourceLocation(),
> - addExpr);
> - QualType IvarT = D->getType();
> - if (D->isBitField())
> - IvarT = GetGroupRecordTypeForObjCIvarBitfield(D);
> -
> - if (!isa<TypedefType>(IvarT) && IvarT->isRecordType()) {
> - RecordDecl *RD = IvarT->getAs<RecordType>()->getDecl();
> - RD = RD->getDefinition();
> - if (RD && !RD->getDeclName().getAsIdentifierInfo()) {
> - // decltype(((Foo_IMPL*)0)->bar) *
> - ObjCContainerDecl *CDecl =
> - dyn_cast<ObjCContainerDecl>(D->getDeclContext());
> - // ivar in class extensions requires special treatment.
> - if (ObjCCategoryDecl *CatDecl = dyn_cast<ObjCCategoryDecl>(CDecl))
> - CDecl = CatDecl->getClassInterface();
> - std::string RecName = CDecl->getName();
> - RecName += "_IMPL";
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get(RecName.c_str()));
> - QualType PtrStructIMPL = Context->getPointerType(Context->getTagDeclType(RD));
> - unsigned UnsignedIntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy));
> - Expr *Zero = IntegerLiteral::Create(*Context,
> - llvm::APInt(UnsignedIntSize, 0),
> - Context->UnsignedIntTy, SourceLocation());
> - Zero = NoTypeInfoCStyleCastExpr(Context, PtrStructIMPL, CK_BitCast, Zero);
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - Zero);
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get(D->getNameAsString()),
> - IvarT, nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/true, ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> - IvarT = Context->getDecltypeType(ME, ME->getType());
> - }
> - }
> - convertObjCTypeToCStyleType(IvarT);
> - QualType castT = Context->getPointerType(IvarT);
> -
> - castExpr = NoTypeInfoCStyleCastExpr(Context,
> - castT,
> - CK_BitCast,
> - PE);
> -
> -
> - Expr *Exp = new (Context) UnaryOperator(castExpr, UO_Deref, IvarT,
> - VK_LValue, OK_Ordinary,
> - SourceLocation());
> - PE = new (Context) ParenExpr(OldRange.getBegin(),
> - OldRange.getEnd(),
> - Exp);
> -
> - if (D->isBitField()) {
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get(D->getNameAsString()),
> - D->getType(), nullptr,
> - /*BitWidth=*/D->getBitWidth(),
> - /*Mutable=*/true, ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(PE, /*isArrow*/false, FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> - Replacement = ME;
> -
> - }
> - else
> - Replacement = PE;
> - }
> -
> - ReplaceStmtWithRange(IV, Replacement, OldRange);
> - return Replacement;
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/RewriteObjC.cpp (removed)
> @@ -1,5948 +0,0 @@
> -//===--- RewriteObjC.cpp - Playground for the code rewriter ---------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// Hacks and fun related to the code rewriter.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/ASTConsumers.h"
> -#include "clang/AST/AST.h"
> -#include "clang/AST/ASTConsumer.h"
> -#include "clang/AST/Attr.h"
> -#include "clang/AST/ParentMap.h"
> -#include "clang/Basic/CharInfo.h"
> -#include "clang/Basic/Diagnostic.h"
> -#include "clang/Basic/IdentifierTable.h"
> -#include "clang/Basic/SourceManager.h"
> -#include "clang/Lex/Lexer.h"
> -#include "clang/Rewrite/Core/Rewriter.h"
> -#include "llvm/ADT/DenseSet.h"
> -#include "llvm/ADT/SmallPtrSet.h"
> -#include "llvm/ADT/StringExtras.h"
> -#include "llvm/Support/MemoryBuffer.h"
> -#include "llvm/Support/raw_ostream.h"
> -#include <memory>
> -
> -using namespace clang;
> -using llvm::utostr;
> -
> -namespace {
> - class RewriteObjC : public ASTConsumer {
> - protected:
> -
> - enum {
> - BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)),
> - block, ... */
> - BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */
> - BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the
> - __block variable */
> - BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy
> - helpers */
> - BLOCK_BYREF_CALLER = 128, /* called from __block (byref) copy/dispose
> - support routines */
> - BLOCK_BYREF_CURRENT_MAX = 256
> - };
> -
> - enum {
> - BLOCK_NEEDS_FREE = (1 << 24),
> - BLOCK_HAS_COPY_DISPOSE = (1 << 25),
> - BLOCK_HAS_CXX_OBJ = (1 << 26),
> - BLOCK_IS_GC = (1 << 27),
> - BLOCK_IS_GLOBAL = (1 << 28),
> - BLOCK_HAS_DESCRIPTOR = (1 << 29)
> - };
> - static const int OBJC_ABI_VERSION = 7;
> -
> - Rewriter Rewrite;
> - DiagnosticsEngine &Diags;
> - const LangOptions &LangOpts;
> - ASTContext *Context;
> - SourceManager *SM;
> - TranslationUnitDecl *TUDecl;
> - FileID MainFileID;
> - const char *MainFileStart, *MainFileEnd;
> - Stmt *CurrentBody;
> - ParentMap *PropParentMap; // created lazily.
> - std::string InFileName;
> - raw_ostream* OutFile;
> - std::string Preamble;
> -
> - TypeDecl *ProtocolTypeDecl;
> - VarDecl *GlobalVarDecl;
> - unsigned RewriteFailedDiag;
> - // ObjC string constant support.
> - unsigned NumObjCStringLiterals;
> - VarDecl *ConstantStringClassReference;
> - RecordDecl *NSStringRecord;
> -
> - // ObjC foreach break/continue generation support.
> - int BcLabelCount;
> -
> - unsigned TryFinallyContainsReturnDiag;
> - // Needed for super.
> - ObjCMethodDecl *CurMethodDef;
> - RecordDecl *SuperStructDecl;
> - RecordDecl *ConstantStringDecl;
> -
> - FunctionDecl *MsgSendFunctionDecl;
> - FunctionDecl *MsgSendSuperFunctionDecl;
> - FunctionDecl *MsgSendStretFunctionDecl;
> - FunctionDecl *MsgSendSuperStretFunctionDecl;
> - FunctionDecl *MsgSendFpretFunctionDecl;
> - FunctionDecl *GetClassFunctionDecl;
> - FunctionDecl *GetMetaClassFunctionDecl;
> - FunctionDecl *GetSuperClassFunctionDecl;
> - FunctionDecl *SelGetUidFunctionDecl;
> - FunctionDecl *CFStringFunctionDecl;
> - FunctionDecl *SuperConstructorFunctionDecl;
> - FunctionDecl *CurFunctionDef;
> - FunctionDecl *CurFunctionDeclToDeclareForBlock;
> -
> - /* Misc. containers needed for meta-data rewrite. */
> - SmallVector<ObjCImplementationDecl *, 8> ClassImplementation;
> - SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation;
> - llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs;
> - llvm::SmallPtrSet<ObjCProtocolDecl*, 8> ObjCSynthesizedProtocols;
> - llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCForwardDecls;
> - llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames;
> - SmallVector<Stmt *, 32> Stmts;
> - SmallVector<int, 8> ObjCBcLabelNo;
> - // Remember all the @protocol(<expr>) expressions.
> - llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls;
> -
> - llvm::DenseSet<uint64_t> CopyDestroyCache;
> -
> - // Block expressions.
> - SmallVector<BlockExpr *, 32> Blocks;
> - SmallVector<int, 32> InnerDeclRefsCount;
> - SmallVector<DeclRefExpr *, 32> InnerDeclRefs;
> -
> - SmallVector<DeclRefExpr *, 32> BlockDeclRefs;
> -
> - // Block related declarations.
> - SmallVector<ValueDecl *, 8> BlockByCopyDecls;
> - llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet;
> - SmallVector<ValueDecl *, 8> BlockByRefDecls;
> - llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet;
> - llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo;
> - llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls;
> - llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls;
> -
> - llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs;
> -
> - // This maps an original source AST to it's rewritten form. This allows
> - // us to avoid rewriting the same node twice (which is very uncommon).
> - // This is needed to support some of the exotic property rewriting.
> - llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes;
> -
> - // Needed for header files being rewritten
> - bool IsHeader;
> - bool SilenceRewriteMacroWarning;
> - bool objc_impl_method;
> -
> - bool DisableReplaceStmt;
> - class DisableReplaceStmtScope {
> - RewriteObjC &R;
> - bool SavedValue;
> -
> - public:
> - DisableReplaceStmtScope(RewriteObjC &R)
> - : R(R), SavedValue(R.DisableReplaceStmt) {
> - R.DisableReplaceStmt = true;
> - }
> - ~DisableReplaceStmtScope() {
> - R.DisableReplaceStmt = SavedValue;
> - }
> - };
> - void InitializeCommon(ASTContext &context);
> -
> - public:
> -
> - // Top Level Driver code.
> - bool HandleTopLevelDecl(DeclGroupRef D) override {
> - for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
> - if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) {
> - if (!Class->isThisDeclarationADefinition()) {
> - RewriteForwardClassDecl(D);
> - break;
> - }
> - }
> -
> - if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) {
> - if (!Proto->isThisDeclarationADefinition()) {
> - RewriteForwardProtocolDecl(D);
> - break;
> - }
> - }
> -
> - HandleTopLevelSingleDecl(*I);
> - }
> - return true;
> - }
> - void HandleTopLevelSingleDecl(Decl *D);
> - void HandleDeclInMainFile(Decl *D);
> - RewriteObjC(std::string inFile, raw_ostream *OS,
> - DiagnosticsEngine &D, const LangOptions &LOpts,
> - bool silenceMacroWarn);
> -
> - ~RewriteObjC() {}
> -
> - void HandleTranslationUnit(ASTContext &C) override;
> -
> - void ReplaceStmt(Stmt *Old, Stmt *New) {
> - Stmt *ReplacingStmt = ReplacedNodes[Old];
> -
> - if (ReplacingStmt)
> - return; // We can't rewrite the same node twice.
> -
> - if (DisableReplaceStmt)
> - return;
> -
> - // If replacement succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceStmt(Old, New)) {
> - ReplacedNodes[Old] = New;
> - return;
> - }
> - if (SilenceRewriteMacroWarning)
> - return;
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - }
> -
> - void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) {
> - assert(Old != nullptr && New != nullptr && "Expected non-null Stmt's");
> - if (DisableReplaceStmt)
> - return;
> -
> - // Measure the old text.
> - int Size = Rewrite.getRangeSize(SrcRange);
> - if (Size == -1) {
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - return;
> - }
> - // Get the new text.
> - std::string SStr;
> - llvm::raw_string_ostream S(SStr);
> - New->printPretty(S, nullptr, PrintingPolicy(LangOpts));
> - const std::string &Str = S.str();
> -
> - // If replacement succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) {
> - ReplacedNodes[Old] = New;
> - return;
> - }
> - if (SilenceRewriteMacroWarning)
> - return;
> - Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag)
> - << Old->getSourceRange();
> - }
> -
> - void InsertText(SourceLocation Loc, StringRef Str,
> - bool InsertAfter = true) {
> - // If insertion succeeded or warning disabled return with no warning.
> - if (!Rewrite.InsertText(Loc, Str, InsertAfter) ||
> - SilenceRewriteMacroWarning)
> - return;
> -
> - Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag);
> - }
> -
> - void ReplaceText(SourceLocation Start, unsigned OrigLength,
> - StringRef Str) {
> - // If removal succeeded or warning disabled return with no warning.
> - if (!Rewrite.ReplaceText(Start, OrigLength, Str) ||
> - SilenceRewriteMacroWarning)
> - return;
> -
> - Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag);
> - }
> -
> - // Syntactic Rewriting.
> - void RewriteRecordBody(RecordDecl *RD);
> - void RewriteInclude();
> - void RewriteForwardClassDecl(DeclGroupRef D);
> - void RewriteForwardClassDecl(const SmallVectorImpl<Decl *> &DG);
> - void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl,
> - const std::string &typedefString);
> - void RewriteImplementations();
> - void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID,
> - ObjCImplementationDecl *IMD,
> - ObjCCategoryImplDecl *CID);
> - void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl);
> - void RewriteImplementationDecl(Decl *Dcl);
> - void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl,
> - ObjCMethodDecl *MDecl, std::string &ResultStr);
> - void RewriteTypeIntoString(QualType T, std::string &ResultStr,
> - const FunctionType *&FPRetType);
> - void RewriteByRefString(std::string &ResultStr, const std::string &Name,
> - ValueDecl *VD, bool def=false);
> - void RewriteCategoryDecl(ObjCCategoryDecl *Dcl);
> - void RewriteProtocolDecl(ObjCProtocolDecl *Dcl);
> - void RewriteForwardProtocolDecl(DeclGroupRef D);
> - void RewriteForwardProtocolDecl(const SmallVectorImpl<Decl *> &DG);
> - void RewriteMethodDeclaration(ObjCMethodDecl *Method);
> - void RewriteProperty(ObjCPropertyDecl *prop);
> - void RewriteFunctionDecl(FunctionDecl *FD);
> - void RewriteBlockPointerType(std::string& Str, QualType Type);
> - void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD);
> - void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD);
> - void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl);
> - void RewriteTypeOfDecl(VarDecl *VD);
> - void RewriteObjCQualifiedInterfaceTypes(Expr *E);
> -
> - // Expression Rewriting.
> - Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S);
> - Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp);
> - Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo);
> - Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo);
> - Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp);
> - Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp);
> - Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp);
> - Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp);
> - void RewriteTryReturnStmts(Stmt *S);
> - void RewriteSyncReturnStmts(Stmt *S, std::string buf);
> - Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S);
> - Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S);
> - Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S);
> - Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S,
> - SourceLocation OrigEnd);
> - Stmt *RewriteBreakStmt(BreakStmt *S);
> - Stmt *RewriteContinueStmt(ContinueStmt *S);
> - void RewriteCastExpr(CStyleCastExpr *CE);
> -
> - // Block rewriting.
> - void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D);
> -
> - // Block specific rewrite rules.
> - void RewriteBlockPointerDecl(NamedDecl *VD);
> - void RewriteByRefVar(VarDecl *VD);
> - Stmt *RewriteBlockDeclRefExpr(DeclRefExpr *VD);
> - Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE);
> - void RewriteBlockPointerFunctionArgs(FunctionDecl *FD);
> -
> - void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl,
> - std::string &Result);
> -
> - virtual void Initialize(ASTContext &context) override = 0;
> -
> - // Metadata Rewriting.
> - virtual void RewriteMetaDataIntoBuffer(std::string &Result) = 0;
> - virtual void RewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Prots,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result) = 0;
> - virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl,
> - std::string &Result) = 0;
> - virtual void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result) = 0;
> - virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
> - std::string &Result) = 0;
> -
> - // Rewriting ivar access
> - virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) = 0;
> - virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar,
> - std::string &Result) = 0;
> -
> - // Misc. AST transformation routines. Sometimes they end up calling
> - // rewriting routines on the new ASTs.
> - CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD,
> - Expr **args, unsigned nargs,
> - SourceLocation StartLoc=SourceLocation(),
> - SourceLocation EndLoc=SourceLocation());
> - CallExpr *SynthMsgSendStretCallExpr(FunctionDecl *MsgSendStretFlavor,
> - QualType msgSendType,
> - QualType returnType,
> - SmallVectorImpl<QualType> &ArgTypes,
> - SmallVectorImpl<Expr*> &MsgExprs,
> - ObjCMethodDecl *Method);
> - Stmt *SynthMessageExpr(ObjCMessageExpr *Exp,
> - SourceLocation StartLoc=SourceLocation(),
> - SourceLocation EndLoc=SourceLocation());
> -
> - void SynthCountByEnumWithState(std::string &buf);
> - void SynthMsgSendFunctionDecl();
> - void SynthMsgSendSuperFunctionDecl();
> - void SynthMsgSendStretFunctionDecl();
> - void SynthMsgSendFpretFunctionDecl();
> - void SynthMsgSendSuperStretFunctionDecl();
> - void SynthGetClassFunctionDecl();
> - void SynthGetMetaClassFunctionDecl();
> - void SynthGetSuperClassFunctionDecl();
> - void SynthSelGetUidFunctionDecl();
> - void SynthSuperConstructorFunctionDecl();
> -
> - std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag);
> - std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
> - StringRef funcName, std::string Tag);
> - std::string SynthesizeBlockFunc(BlockExpr *CE, int i,
> - StringRef funcName, std::string Tag);
> - std::string SynthesizeBlockImpl(BlockExpr *CE,
> - std::string Tag, std::string Desc);
> - std::string SynthesizeBlockDescriptor(std::string DescTag,
> - std::string ImplTag,
> - int i, StringRef funcName,
> - unsigned hasCopy);
> - Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp);
> - void SynthesizeBlockLiterals(SourceLocation FunLocStart,
> - StringRef FunName);
> - FunctionDecl *SynthBlockInitFunctionDecl(StringRef name);
> - Stmt *SynthBlockInitExpr(BlockExpr *Exp,
> - const SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs);
> -
> - // Misc. helper routines.
> - QualType getProtocolType();
> - void WarnAboutReturnGotoStmts(Stmt *S);
> - void HasReturnStmts(Stmt *S, bool &hasReturns);
> - void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND);
> - void InsertBlockLiteralsWithinFunction(FunctionDecl *FD);
> - void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD);
> -
> - bool IsDeclStmtInForeachHeader(DeclStmt *DS);
> - void CollectBlockDeclRefInfo(BlockExpr *Exp);
> - void GetBlockDeclRefExprs(Stmt *S);
> - void GetInnerBlockDeclRefExprs(Stmt *S,
> - SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs,
> - llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts);
> -
> - // We avoid calling Type::isBlockPointerType(), since it operates on the
> - // canonical type. We only care if the top-level type is a closure pointer.
> - bool isTopLevelBlockPointerType(QualType T) {
> - return isa<BlockPointerType>(T);
> - }
> -
> - /// convertBlockPointerToFunctionPointer - Converts a block-pointer type
> - /// to a function pointer type and upon success, returns true; false
> - /// otherwise.
> - bool convertBlockPointerToFunctionPointer(QualType &T) {
> - if (isTopLevelBlockPointerType(T)) {
> - const BlockPointerType *BPT = T->getAs<BlockPointerType>();
> - T = Context->getPointerType(BPT->getPointeeType());
> - return true;
> - }
> - return false;
> - }
> -
> - bool needToScanForQualifiers(QualType T);
> - QualType getSuperStructType();
> - QualType getConstantStringStructType();
> - QualType convertFunctionTypeOfBlocks(const FunctionType *FT);
> - bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf);
> -
> - void convertToUnqualifiedObjCType(QualType &T) {
> - if (T->isObjCQualifiedIdType())
> - T = Context->getObjCIdType();
> - else if (T->isObjCQualifiedClassType())
> - T = Context->getObjCClassType();
> - else if (T->isObjCObjectPointerType() &&
> - T->getPointeeType()->isObjCQualifiedInterfaceType()) {
> - if (const ObjCObjectPointerType * OBJPT =
> - T->getAsObjCInterfacePointerType()) {
> - const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType();
> - T = QualType(IFaceT, 0);
> - T = Context->getPointerType(T);
> - }
> - }
> - }
> -
> - // FIXME: This predicate seems like it would be useful to add to ASTContext.
> - bool isObjCType(QualType T) {
> - if (!LangOpts.ObjC1 && !LangOpts.ObjC2)
> - return false;
> -
> - QualType OCT = Context->getCanonicalType(T).getUnqualifiedType();
> -
> - if (OCT == Context->getCanonicalType(Context->getObjCIdType()) ||
> - OCT == Context->getCanonicalType(Context->getObjCClassType()))
> - return true;
> -
> - if (const PointerType *PT = OCT->getAs<PointerType>()) {
> - if (isa<ObjCInterfaceType>(PT->getPointeeType()) ||
> - PT->getPointeeType()->isObjCQualifiedIdType())
> - return true;
> - }
> - return false;
> - }
> - bool PointerTypeTakesAnyBlockArguments(QualType QT);
> - bool PointerTypeTakesAnyObjCQualifiedType(QualType QT);
> - void GetExtentOfArgList(const char *Name, const char *&LParen,
> - const char *&RParen);
> -
> - void QuoteDoublequotes(std::string &From, std::string &To) {
> - for (unsigned i = 0; i < From.length(); i++) {
> - if (From[i] == '"')
> - To += "\\\"";
> - else
> - To += From[i];
> - }
> - }
> -
> - QualType getSimpleFunctionType(QualType result,
> - ArrayRef<QualType> args,
> - bool variadic = false) {
> - if (result == Context->getObjCInstanceType())
> - result = Context->getObjCIdType();
> - FunctionProtoType::ExtProtoInfo fpi;
> - fpi.Variadic = variadic;
> - return Context->getFunctionType(result, args, fpi);
> - }
> -
> - // Helper function: create a CStyleCastExpr with trivial type source info.
> - CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty,
> - CastKind Kind, Expr *E) {
> - TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation());
> - return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, nullptr,
> - TInfo, SourceLocation(), SourceLocation());
> - }
> -
> - StringLiteral *getStringLiteral(StringRef Str) {
> - QualType StrType = Context->getConstantArrayType(
> - Context->CharTy, llvm::APInt(32, Str.size() + 1), ArrayType::Normal,
> - 0);
> - return StringLiteral::Create(*Context, Str, StringLiteral::Ascii,
> - /*Pascal=*/false, StrType, SourceLocation());
> - }
> - };
> -
> - class RewriteObjCFragileABI : public RewriteObjC {
> - public:
> -
> - RewriteObjCFragileABI(std::string inFile, raw_ostream *OS,
> - DiagnosticsEngine &D, const LangOptions &LOpts,
> - bool silenceMacroWarn) : RewriteObjC(inFile, OS,
> - D, LOpts,
> - silenceMacroWarn) {}
> -
> - ~RewriteObjCFragileABI() {}
> - virtual void Initialize(ASTContext &context) override;
> -
> - // Rewriting metadata
> - template<typename MethodIterator>
> - void RewriteObjCMethodsMetaData(MethodIterator MethodBegin,
> - MethodIterator MethodEnd,
> - bool IsInstanceMethod,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result);
> - void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol,
> - StringRef prefix, StringRef ClassName,
> - std::string &Result) override;
> - void RewriteObjCProtocolListMetaData(
> - const ObjCList<ObjCProtocolDecl> &Prots,
> - StringRef prefix, StringRef ClassName, std::string &Result) override;
> - void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
> - std::string &Result) override;
> - void RewriteMetaDataIntoBuffer(std::string &Result) override;
> - void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl,
> - std::string &Result) override;
> -
> - // Rewriting ivar
> - void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar,
> - std::string &Result) override;
> - Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) override;
> - };
> -}
> -
> -void RewriteObjC::RewriteBlocksInFunctionProtoType(QualType funcType,
> - NamedDecl *D) {
> - if (const FunctionProtoType *fproto
> - = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) {
> - for (const auto &I : fproto->param_types())
> - if (isTopLevelBlockPointerType(I)) {
> - // All the args are checked/rewritten. Don't call twice!
> - RewriteBlockPointerDecl(D);
> - break;
> - }
> - }
> -}
> -
> -void RewriteObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) {
> - const PointerType *PT = funcType->getAs<PointerType>();
> - if (PT && PointerTypeTakesAnyBlockArguments(funcType))
> - RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND);
> -}
> -
> -static bool IsHeaderFile(const std::string &Filename) {
> - std::string::size_type DotPos = Filename.rfind('.');
> -
> - if (DotPos == std::string::npos) {
> - // no file extension
> - return false;
> - }
> -
> - std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end());
> - // C header: .h
> - // C++ header: .hh or .H;
> - return Ext == "h" || Ext == "hh" || Ext == "H";
> -}
> -
> -RewriteObjC::RewriteObjC(std::string inFile, raw_ostream* OS,
> - DiagnosticsEngine &D, const LangOptions &LOpts,
> - bool silenceMacroWarn)
> - : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS),
> - SilenceRewriteMacroWarning(silenceMacroWarn) {
> - IsHeader = IsHeaderFile(inFile);
> - RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning,
> - "rewriting sub-expression within a macro (may not be correct)");
> - TryFinallyContainsReturnDiag = Diags.getCustomDiagID(
> - DiagnosticsEngine::Warning,
> - "rewriter doesn't support user-specified control flow semantics "
> - "for @try/@finally (code may not execute properly)");
> -}
> -
> -ASTConsumer *clang::CreateObjCRewriter(const std::string& InFile,
> - raw_ostream* OS,
> - DiagnosticsEngine &Diags,
> - const LangOptions &LOpts,
> - bool SilenceRewriteMacroWarning) {
> - return new RewriteObjCFragileABI(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning);
> -}
> -
> -void RewriteObjC::InitializeCommon(ASTContext &context) {
> - Context = &context;
> - SM = &Context->getSourceManager();
> - TUDecl = Context->getTranslationUnitDecl();
> - MsgSendFunctionDecl = nullptr;
> - MsgSendSuperFunctionDecl = nullptr;
> - MsgSendStretFunctionDecl = nullptr;
> - MsgSendSuperStretFunctionDecl = nullptr;
> - MsgSendFpretFunctionDecl = nullptr;
> - GetClassFunctionDecl = nullptr;
> - GetMetaClassFunctionDecl = nullptr;
> - GetSuperClassFunctionDecl = nullptr;
> - SelGetUidFunctionDecl = nullptr;
> - CFStringFunctionDecl = nullptr;
> - ConstantStringClassReference = nullptr;
> - NSStringRecord = nullptr;
> - CurMethodDef = nullptr;
> - CurFunctionDef = nullptr;
> - CurFunctionDeclToDeclareForBlock = nullptr;
> - GlobalVarDecl = nullptr;
> - SuperStructDecl = nullptr;
> - ProtocolTypeDecl = nullptr;
> - ConstantStringDecl = nullptr;
> - BcLabelCount = 0;
> - SuperConstructorFunctionDecl = nullptr;
> - NumObjCStringLiterals = 0;
> - PropParentMap = nullptr;
> - CurrentBody = nullptr;
> - DisableReplaceStmt = false;
> - objc_impl_method = false;
> -
> - // Get the ID and start/end of the main file.
> - MainFileID = SM->getMainFileID();
> - const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID);
> - MainFileStart = MainBuf->getBufferStart();
> - MainFileEnd = MainBuf->getBufferEnd();
> -
> - Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOpts());
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Top Level Driver Code
> -//===----------------------------------------------------------------------===//
> -
> -void RewriteObjC::HandleTopLevelSingleDecl(Decl *D) {
> - if (Diags.hasErrorOccurred())
> - return;
> -
> - // Two cases: either the decl could be in the main file, or it could be in a
> - // #included file. If the former, rewrite it now. If the later, check to see
> - // if we rewrote the #include/#import.
> - SourceLocation Loc = D->getLocation();
> - Loc = SM->getExpansionLoc(Loc);
> -
> - // If this is for a builtin, ignore it.
> - if (Loc.isInvalid()) return;
> -
> - // Look for built-in declarations that we need to refer during the rewrite.
> - if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
> - RewriteFunctionDecl(FD);
> - } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) {
> - // declared in <Foundation/NSString.h>
> - if (FVD->getName() == "_NSConstantStringClassReference") {
> - ConstantStringClassReference = FVD;
> - return;
> - }
> - } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
> - if (ID->isThisDeclarationADefinition())
> - RewriteInterfaceDecl(ID);
> - } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) {
> - RewriteCategoryDecl(CD);
> - } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) {
> - if (PD->isThisDeclarationADefinition())
> - RewriteProtocolDecl(PD);
> - } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) {
> - // Recurse into linkage specifications
> - for (DeclContext::decl_iterator DI = LSD->decls_begin(),
> - DIEnd = LSD->decls_end();
> - DI != DIEnd; ) {
> - if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) {
> - if (!IFace->isThisDeclarationADefinition()) {
> - SmallVector<Decl *, 8> DG;
> - SourceLocation StartLoc = IFace->getLocStart();
> - do {
> - if (isa<ObjCInterfaceDecl>(*DI) &&
> - !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() &&
> - StartLoc == (*DI)->getLocStart())
> - DG.push_back(*DI);
> - else
> - break;
> -
> - ++DI;
> - } while (DI != DIEnd);
> - RewriteForwardClassDecl(DG);
> - continue;
> - }
> - }
> -
> - if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) {
> - if (!Proto->isThisDeclarationADefinition()) {
> - SmallVector<Decl *, 8> DG;
> - SourceLocation StartLoc = Proto->getLocStart();
> - do {
> - if (isa<ObjCProtocolDecl>(*DI) &&
> - !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() &&
> - StartLoc == (*DI)->getLocStart())
> - DG.push_back(*DI);
> - else
> - break;
> -
> - ++DI;
> - } while (DI != DIEnd);
> - RewriteForwardProtocolDecl(DG);
> - continue;
> - }
> - }
> -
> - HandleTopLevelSingleDecl(*DI);
> - ++DI;
> - }
> - }
> - // If we have a decl in the main file, see if we should rewrite it.
> - if (SM->isWrittenInMainFile(Loc))
> - return HandleDeclInMainFile(D);
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Syntactic (non-AST) Rewriting Code
> -//===----------------------------------------------------------------------===//
> -
> -void RewriteObjC::RewriteInclude() {
> - SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID);
> - StringRef MainBuf = SM->getBufferData(MainFileID);
> - const char *MainBufStart = MainBuf.begin();
> - const char *MainBufEnd = MainBuf.end();
> - size_t ImportLen = strlen("import");
> -
> - // Loop over the whole file, looking for includes.
> - for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) {
> - if (*BufPtr == '#') {
> - if (++BufPtr == MainBufEnd)
> - return;
> - while (*BufPtr == ' ' || *BufPtr == '\t')
> - if (++BufPtr == MainBufEnd)
> - return;
> - if (!strncmp(BufPtr, "import", ImportLen)) {
> - // replace import with include
> - SourceLocation ImportLoc =
> - LocStart.getLocWithOffset(BufPtr-MainBufStart);
> - ReplaceText(ImportLoc, ImportLen, "include");
> - BufPtr += ImportLen;
> - }
> - }
> - }
> -}
> -
> -static std::string getIvarAccessString(ObjCIvarDecl *OID) {
> - const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface();
> - std::string S;
> - S = "((struct ";
> - S += ClassDecl->getIdentifier()->getName();
> - S += "_IMPL *)self)->";
> - S += OID->getName();
> - return S;
> -}
> -
> -void RewriteObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID,
> - ObjCImplementationDecl *IMD,
> - ObjCCategoryImplDecl *CID) {
> - static bool objcGetPropertyDefined = false;
> - static bool objcSetPropertyDefined = false;
> - SourceLocation startLoc = PID->getLocStart();
> - InsertText(startLoc, "// ");
> - const char *startBuf = SM->getCharacterData(startLoc);
> - assert((*startBuf == '@') && "bogus @synthesize location");
> - const char *semiBuf = strchr(startBuf, ';');
> - assert((*semiBuf == ';') && "@synthesize: can't find ';'");
> - SourceLocation onePastSemiLoc =
> - startLoc.getLocWithOffset(semiBuf-startBuf+1);
> -
> - if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - return; // FIXME: is this correct?
> -
> - // Generate the 'getter' function.
> - ObjCPropertyDecl *PD = PID->getPropertyDecl();
> - ObjCIvarDecl *OID = PID->getPropertyIvarDecl();
> -
> - if (!OID)
> - return;
> - unsigned Attributes = PD->getPropertyAttributes();
> - if (!PD->getGetterMethodDecl()->isDefined()) {
> - bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) &&
> - (Attributes & (ObjCPropertyDecl::OBJC_PR_retain |
> - ObjCPropertyDecl::OBJC_PR_copy));
> - std::string Getr;
> - if (GenGetProperty && !objcGetPropertyDefined) {
> - objcGetPropertyDefined = true;
> - // FIXME. Is this attribute correct in all cases?
> - Getr = "\nextern \"C\" __declspec(dllimport) "
> - "id objc_getProperty(id, SEL, long, bool);\n";
> - }
> - RewriteObjCMethodDecl(OID->getContainingInterface(),
> - PD->getGetterMethodDecl(), Getr);
> - Getr += "{ ";
> - // Synthesize an explicit cast to gain access to the ivar.
> - // See objc-act.c:objc_synthesize_new_getter() for details.
> - if (GenGetProperty) {
> - // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1)
> - Getr += "typedef ";
> - const FunctionType *FPRetType = nullptr;
> - RewriteTypeIntoString(PD->getGetterMethodDecl()->getReturnType(), Getr,
> - FPRetType);
> - Getr += " _TYPE";
> - if (FPRetType) {
> - Getr += ")"; // close the precedence "scope" for "*".
> -
> - // Now, emit the argument types (if any).
> - if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){
> - Getr += "(";
> - for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
> - if (i) Getr += ", ";
> - std::string ParamStr =
> - FT->getParamType(i).getAsString(Context->getPrintingPolicy());
> - Getr += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (FT->getNumParams())
> - Getr += ", ";
> - Getr += "...";
> - }
> - Getr += ")";
> - } else
> - Getr += "()";
> - }
> - Getr += ";\n";
> - Getr += "return (_TYPE)";
> - Getr += "objc_getProperty(self, _cmd, ";
> - RewriteIvarOffsetComputation(OID, Getr);
> - Getr += ", 1)";
> - }
> - else
> - Getr += "return " + getIvarAccessString(OID);
> - Getr += "; }";
> - InsertText(onePastSemiLoc, Getr);
> - }
> -
> - if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined())
> - return;
> -
> - // Generate the 'setter' function.
> - std::string Setr;
> - bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain |
> - ObjCPropertyDecl::OBJC_PR_copy);
> - if (GenSetProperty && !objcSetPropertyDefined) {
> - objcSetPropertyDefined = true;
> - // FIXME. Is this attribute correct in all cases?
> - Setr = "\nextern \"C\" __declspec(dllimport) "
> - "void objc_setProperty (id, SEL, long, id, bool, bool);\n";
> - }
> -
> - RewriteObjCMethodDecl(OID->getContainingInterface(),
> - PD->getSetterMethodDecl(), Setr);
> - Setr += "{ ";
> - // Synthesize an explicit cast to initialize the ivar.
> - // See objc-act.c:objc_synthesize_new_setter() for details.
> - if (GenSetProperty) {
> - Setr += "objc_setProperty (self, _cmd, ";
> - RewriteIvarOffsetComputation(OID, Setr);
> - Setr += ", (id)";
> - Setr += PD->getName();
> - Setr += ", ";
> - if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic)
> - Setr += "0, ";
> - else
> - Setr += "1, ";
> - if (Attributes & ObjCPropertyDecl::OBJC_PR_copy)
> - Setr += "1)";
> - else
> - Setr += "0)";
> - }
> - else {
> - Setr += getIvarAccessString(OID) + " = ";
> - Setr += PD->getName();
> - }
> - Setr += "; }";
> - InsertText(onePastSemiLoc, Setr);
> -}
> -
> -static void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl,
> - std::string &typedefString) {
> - typedefString += "#ifndef _REWRITER_typedef_";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += "\n";
> - typedefString += "#define _REWRITER_typedef_";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += "\n";
> - typedefString += "typedef struct objc_object ";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";\n#endif\n";
> -}
> -
> -void RewriteObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl,
> - const std::string &typedefString) {
> - SourceLocation startLoc = ClassDecl->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> - const char *semiPtr = strchr(startBuf, ';');
> - // Replace the @class with typedefs corresponding to the classes.
> - ReplaceText(startLoc, semiPtr-startBuf+1, typedefString);
> -}
> -
> -void RewriteObjC::RewriteForwardClassDecl(DeclGroupRef D) {
> - std::string typedefString;
> - for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) {
> - ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I);
> - if (I == D.begin()) {
> - // Translate to typedef's that forward reference structs with the same name
> - // as the class. As a convenience, we include the original declaration
> - // as a comment.
> - typedefString += "// @class ";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";\n";
> - }
> - RewriteOneForwardClassDecl(ForwardDecl, typedefString);
> - }
> - DeclGroupRef::iterator I = D.begin();
> - RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString);
> -}
> -
> -void RewriteObjC::RewriteForwardClassDecl(const SmallVectorImpl<Decl *> &D) {
> - std::string typedefString;
> - for (unsigned i = 0; i < D.size(); i++) {
> - ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]);
> - if (i == 0) {
> - typedefString += "// @class ";
> - typedefString += ForwardDecl->getNameAsString();
> - typedefString += ";\n";
> - }
> - RewriteOneForwardClassDecl(ForwardDecl, typedefString);
> - }
> - RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString);
> -}
> -
> -void RewriteObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) {
> - // When method is a synthesized one, such as a getter/setter there is
> - // nothing to rewrite.
> - if (Method->isImplicit())
> - return;
> - SourceLocation LocStart = Method->getLocStart();
> - SourceLocation LocEnd = Method->getLocEnd();
> -
> - if (SM->getExpansionLineNumber(LocEnd) >
> - SM->getExpansionLineNumber(LocStart)) {
> - InsertText(LocStart, "#if 0\n");
> - ReplaceText(LocEnd, 1, ";\n#endif\n");
> - } else {
> - InsertText(LocStart, "// ");
> - }
> -}
> -
> -void RewriteObjC::RewriteProperty(ObjCPropertyDecl *prop) {
> - SourceLocation Loc = prop->getAtLoc();
> -
> - ReplaceText(Loc, 0, "// ");
> - // FIXME: handle properties that are declared across multiple lines.
> -}
> -
> -void RewriteObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) {
> - SourceLocation LocStart = CatDecl->getLocStart();
> -
> - // FIXME: handle category headers that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -
> - for (auto *I : CatDecl->properties())
> - RewriteProperty(I);
> - for (auto *I : CatDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : CatDecl->class_methods())
> - RewriteMethodDeclaration(I);
> -
> - // Lastly, comment out the @end.
> - ReplaceText(CatDecl->getAtEndRange().getBegin(),
> - strlen("@end"), "/* @end */");
> -}
> -
> -void RewriteObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) {
> - SourceLocation LocStart = PDecl->getLocStart();
> - assert(PDecl->isThisDeclarationADefinition());
> -
> - // FIXME: handle protocol headers that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -
> - for (auto *I : PDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : PDecl->class_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : PDecl->properties())
> - RewriteProperty(I);
> -
> - // Lastly, comment out the @end.
> - SourceLocation LocEnd = PDecl->getAtEndRange().getBegin();
> - ReplaceText(LocEnd, strlen("@end"), "/* @end */");
> -
> - // Must comment out @optional/@required
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - for (const char *p = startBuf; p < endBuf; p++) {
> - if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) {
> - SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf);
> - ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */");
> -
> - }
> - else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) {
> - SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf);
> - ReplaceText(OptionalLoc, strlen("@required"), "/* @required */");
> -
> - }
> - }
> -}
> -
> -void RewriteObjC::RewriteForwardProtocolDecl(DeclGroupRef D) {
> - SourceLocation LocStart = (*D.begin())->getLocStart();
> - if (LocStart.isInvalid())
> - llvm_unreachable("Invalid SourceLocation");
> - // FIXME: handle forward protocol that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -}
> -
> -void
> -RewriteObjC::RewriteForwardProtocolDecl(const SmallVectorImpl<Decl *> &DG) {
> - SourceLocation LocStart = DG[0]->getLocStart();
> - if (LocStart.isInvalid())
> - llvm_unreachable("Invalid SourceLocation");
> - // FIXME: handle forward protocol that are declared across multiple lines.
> - ReplaceText(LocStart, 0, "// ");
> -}
> -
> -void RewriteObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr,
> - const FunctionType *&FPRetType) {
> - if (T->isObjCQualifiedIdType())
> - ResultStr += "id";
> - else if (T->isFunctionPointerType() ||
> - T->isBlockPointerType()) {
> - // needs special handling, since pointer-to-functions have special
> - // syntax (where a decaration models use).
> - QualType retType = T;
> - QualType PointeeTy;
> - if (const PointerType* PT = retType->getAs<PointerType>())
> - PointeeTy = PT->getPointeeType();
> - else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>())
> - PointeeTy = BPT->getPointeeType();
> - if ((FPRetType = PointeeTy->getAs<FunctionType>())) {
> - ResultStr +=
> - FPRetType->getReturnType().getAsString(Context->getPrintingPolicy());
> - ResultStr += "(*";
> - }
> - } else
> - ResultStr += T.getAsString(Context->getPrintingPolicy());
> -}
> -
> -void RewriteObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl,
> - ObjCMethodDecl *OMD,
> - std::string &ResultStr) {
> - //fprintf(stderr,"In RewriteObjCMethodDecl\n");
> - const FunctionType *FPRetType = nullptr;
> - ResultStr += "\nstatic ";
> - RewriteTypeIntoString(OMD->getReturnType(), ResultStr, FPRetType);
> - ResultStr += " ";
> -
> - // Unique method name
> - std::string NameStr;
> -
> - if (OMD->isInstanceMethod())
> - NameStr += "_I_";
> - else
> - NameStr += "_C_";
> -
> - NameStr += IDecl->getNameAsString();
> - NameStr += "_";
> -
> - if (ObjCCategoryImplDecl *CID =
> - dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) {
> - NameStr += CID->getNameAsString();
> - NameStr += "_";
> - }
> - // Append selector names, replacing ':' with '_'
> - {
> - std::string selString = OMD->getSelector().getAsString();
> - int len = selString.size();
> - for (int i = 0; i < len; i++)
> - if (selString[i] == ':')
> - selString[i] = '_';
> - NameStr += selString;
> - }
> - // Remember this name for metadata emission
> - MethodInternalNames[OMD] = NameStr;
> - ResultStr += NameStr;
> -
> - // Rewrite arguments
> - ResultStr += "(";
> -
> - // invisible arguments
> - if (OMD->isInstanceMethod()) {
> - QualType selfTy = Context->getObjCInterfaceType(IDecl);
> - selfTy = Context->getPointerType(selfTy);
> - if (!LangOpts.MicrosoftExt) {
> - if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl)))
> - ResultStr += "struct ";
> - }
> - // When rewriting for Microsoft, explicitly omit the structure name.
> - ResultStr += IDecl->getNameAsString();
> - ResultStr += " *";
> - }
> - else
> - ResultStr += Context->getObjCClassType().getAsString(
> - Context->getPrintingPolicy());
> -
> - ResultStr += " self, ";
> - ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy());
> - ResultStr += " _cmd";
> -
> - // Method arguments.
> - for (const auto *PDecl : OMD->params()) {
> - ResultStr += ", ";
> - if (PDecl->getType()->isObjCQualifiedIdType()) {
> - ResultStr += "id ";
> - ResultStr += PDecl->getNameAsString();
> - } else {
> - std::string Name = PDecl->getNameAsString();
> - QualType QT = PDecl->getType();
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(QT);
> - QT.getAsStringInternal(Name, Context->getPrintingPolicy());
> - ResultStr += Name;
> - }
> - }
> - if (OMD->isVariadic())
> - ResultStr += ", ...";
> - ResultStr += ") ";
> -
> - if (FPRetType) {
> - ResultStr += ")"; // close the precedence "scope" for "*".
> -
> - // Now, emit the argument types (if any).
> - if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) {
> - ResultStr += "(";
> - for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
> - if (i) ResultStr += ", ";
> - std::string ParamStr =
> - FT->getParamType(i).getAsString(Context->getPrintingPolicy());
> - ResultStr += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (FT->getNumParams())
> - ResultStr += ", ";
> - ResultStr += "...";
> - }
> - ResultStr += ")";
> - } else {
> - ResultStr += "()";
> - }
> - }
> -}
> -void RewriteObjC::RewriteImplementationDecl(Decl *OID) {
> - ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID);
> - ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID);
> -
> - InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// ");
> -
> - for (auto *OMD : IMD ? IMD->instance_methods() : CID->instance_methods()) {
> - std::string ResultStr;
> - RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr);
> - SourceLocation LocStart = OMD->getLocStart();
> - SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - ReplaceText(LocStart, endBuf-startBuf, ResultStr);
> - }
> -
> - for (auto *OMD : IMD ? IMD->class_methods() : CID->class_methods()) {
> - std::string ResultStr;
> - RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr);
> - SourceLocation LocStart = OMD->getLocStart();
> - SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - ReplaceText(LocStart, endBuf-startBuf, ResultStr);
> - }
> - for (auto *I : IMD ? IMD->property_impls() : CID->property_impls())
> - RewritePropertyImplDecl(I, IMD, CID);
> -
> - InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// ");
> -}
> -
> -void RewriteObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) {
> - std::string ResultStr;
> - if (!ObjCForwardDecls.count(ClassDecl->getCanonicalDecl())) {
> - // we haven't seen a forward decl - generate a typedef.
> - ResultStr = "#ifndef _REWRITER_typedef_";
> - ResultStr += ClassDecl->getNameAsString();
> - ResultStr += "\n";
> - ResultStr += "#define _REWRITER_typedef_";
> - ResultStr += ClassDecl->getNameAsString();
> - ResultStr += "\n";
> - ResultStr += "typedef struct objc_object ";
> - ResultStr += ClassDecl->getNameAsString();
> - ResultStr += ";\n#endif\n";
> - // Mark this typedef as having been generated.
> - ObjCForwardDecls.insert(ClassDecl->getCanonicalDecl());
> - }
> - RewriteObjCInternalStruct(ClassDecl, ResultStr);
> -
> - for (auto *I : ClassDecl->properties())
> - RewriteProperty(I);
> - for (auto *I : ClassDecl->instance_methods())
> - RewriteMethodDeclaration(I);
> - for (auto *I : ClassDecl->class_methods())
> - RewriteMethodDeclaration(I);
> -
> - // Lastly, comment out the @end.
> - ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"),
> - "/* @end */");
> -}
> -
> -Stmt *RewriteObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) {
> - SourceRange OldRange = PseudoOp->getSourceRange();
> -
> - // We just magically know some things about the structure of this
> - // expression.
> - ObjCMessageExpr *OldMsg =
> - cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr(
> - PseudoOp->getNumSemanticExprs() - 1));
> -
> - // Because the rewriter doesn't allow us to rewrite rewritten code,
> - // we need to suppress rewriting the sub-statements.
> - Expr *Base, *RHS;
> - {
> - DisableReplaceStmtScope S(*this);
> -
> - // Rebuild the base expression if we have one.
> - Base = nullptr;
> - if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) {
> - Base = OldMsg->getInstanceReceiver();
> - Base = cast<OpaqueValueExpr>(Base)->getSourceExpr();
> - Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base));
> - }
> -
> - // Rebuild the RHS.
> - RHS = cast<BinaryOperator>(PseudoOp->getSyntacticForm())->getRHS();
> - RHS = cast<OpaqueValueExpr>(RHS)->getSourceExpr();
> - RHS = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(RHS));
> - }
> -
> - // TODO: avoid this copy.
> - SmallVector<SourceLocation, 1> SelLocs;
> - OldMsg->getSelectorLocs(SelLocs);
> -
> - ObjCMessageExpr *NewMsg = nullptr;
> - switch (OldMsg->getReceiverKind()) {
> - case ObjCMessageExpr::Class:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getClassReceiverTypeInfo(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - RHS,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::Instance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - Base,
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - RHS,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::SuperClass:
> - case ObjCMessageExpr::SuperInstance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getSuperLoc(),
> - OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance,
> - OldMsg->getSuperType(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - RHS,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> - }
> -
> - Stmt *Replacement = SynthMessageExpr(NewMsg);
> - ReplaceStmtWithRange(PseudoOp, Replacement, OldRange);
> - return Replacement;
> -}
> -
> -Stmt *RewriteObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) {
> - SourceRange OldRange = PseudoOp->getSourceRange();
> -
> - // We just magically know some things about the structure of this
> - // expression.
> - ObjCMessageExpr *OldMsg =
> - cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit());
> -
> - // Because the rewriter doesn't allow us to rewrite rewritten code,
> - // we need to suppress rewriting the sub-statements.
> - Expr *Base = nullptr;
> - {
> - DisableReplaceStmtScope S(*this);
> -
> - // Rebuild the base expression if we have one.
> - if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) {
> - Base = OldMsg->getInstanceReceiver();
> - Base = cast<OpaqueValueExpr>(Base)->getSourceExpr();
> - Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base));
> - }
> - }
> -
> - // Intentionally empty.
> - SmallVector<SourceLocation, 1> SelLocs;
> - SmallVector<Expr*, 1> Args;
> -
> - ObjCMessageExpr *NewMsg = nullptr;
> - switch (OldMsg->getReceiverKind()) {
> - case ObjCMessageExpr::Class:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getClassReceiverTypeInfo(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::Instance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - Base,
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> -
> - case ObjCMessageExpr::SuperClass:
> - case ObjCMessageExpr::SuperInstance:
> - NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(),
> - OldMsg->getValueKind(),
> - OldMsg->getLeftLoc(),
> - OldMsg->getSuperLoc(),
> - OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance,
> - OldMsg->getSuperType(),
> - OldMsg->getSelector(),
> - SelLocs,
> - OldMsg->getMethodDecl(),
> - Args,
> - OldMsg->getRightLoc(),
> - OldMsg->isImplicit());
> - break;
> - }
> -
> - Stmt *Replacement = SynthMessageExpr(NewMsg);
> - ReplaceStmtWithRange(PseudoOp, Replacement, OldRange);
> - return Replacement;
> -}
> -
> -/// SynthCountByEnumWithState - To print:
> -/// ((unsigned int (*)
> -/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int))
> -/// (void *)objc_msgSend)((id)l_collection,
> -/// sel_registerName(
> -/// "countByEnumeratingWithState:objects:count:"),
> -/// &enumState,
> -/// (id *)__rw_items, (unsigned int)16)
> -///
> -void RewriteObjC::SynthCountByEnumWithState(std::string &buf) {
> - buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, "
> - "id *, unsigned int))(void *)objc_msgSend)";
> - buf += "\n\t\t";
> - buf += "((id)l_collection,\n\t\t";
> - buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),";
> - buf += "\n\t\t";
> - buf += "&enumState, "
> - "(id *)__rw_items, (unsigned int)16)";
> -}
> -
> -/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach
> -/// statement to exit to its outer synthesized loop.
> -///
> -Stmt *RewriteObjC::RewriteBreakStmt(BreakStmt *S) {
> - if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back()))
> - return S;
> - // replace break with goto __break_label
> - std::string buf;
> -
> - SourceLocation startLoc = S->getLocStart();
> - buf = "goto __break_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - ReplaceText(startLoc, strlen("break"), buf);
> -
> - return nullptr;
> -}
> -
> -/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach
> -/// statement to continue with its inner synthesized loop.
> -///
> -Stmt *RewriteObjC::RewriteContinueStmt(ContinueStmt *S) {
> - if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back()))
> - return S;
> - // replace continue with goto __continue_label
> - std::string buf;
> -
> - SourceLocation startLoc = S->getLocStart();
> - buf = "goto __continue_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - ReplaceText(startLoc, strlen("continue"), buf);
> -
> - return nullptr;
> -}
> -
> -/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement.
> -/// It rewrites:
> -/// for ( type elem in collection) { stmts; }
> -
> -/// Into:
> -/// {
> -/// type elem;
> -/// struct __objcFastEnumerationState enumState = { 0 };
> -/// id __rw_items[16];
> -/// id l_collection = (id)collection;
> -/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState
> -/// objects:__rw_items count:16];
> -/// if (limit) {
> -/// unsigned long startMutations = *enumState.mutationsPtr;
> -/// do {
> -/// unsigned long counter = 0;
> -/// do {
> -/// if (startMutations != *enumState.mutationsPtr)
> -/// objc_enumerationMutation(l_collection);
> -/// elem = (type)enumState.itemsPtr[counter++];
> -/// stmts;
> -/// __continue_label: ;
> -/// } while (counter < limit);
> -/// } while (limit = [l_collection countByEnumeratingWithState:&enumState
> -/// objects:__rw_items count:16]);
> -/// elem = nil;
> -/// __break_label: ;
> -/// }
> -/// else
> -/// elem = nil;
> -/// }
> -///
> -Stmt *RewriteObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S,
> - SourceLocation OrigEnd) {
> - assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty");
> - assert(isa<ObjCForCollectionStmt>(Stmts.back()) &&
> - "ObjCForCollectionStmt Statement stack mismatch");
> - assert(!ObjCBcLabelNo.empty() &&
> - "ObjCForCollectionStmt - Label No stack empty");
> -
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> - StringRef elementName;
> - std::string elementTypeAsString;
> - std::string buf;
> - buf = "\n{\n\t";
> - if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) {
> - // type elem;
> - NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl());
> - QualType ElementType = cast<ValueDecl>(D)->getType();
> - if (ElementType->isObjCQualifiedIdType() ||
> - ElementType->isObjCQualifiedInterfaceType())
> - // Simply use 'id' for all qualified types.
> - elementTypeAsString = "id";
> - else
> - elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy());
> - buf += elementTypeAsString;
> - buf += " ";
> - elementName = D->getName();
> - buf += elementName;
> - buf += ";\n\t";
> - }
> - else {
> - DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement());
> - elementName = DR->getDecl()->getName();
> - ValueDecl *VD = cast<ValueDecl>(DR->getDecl());
> - if (VD->getType()->isObjCQualifiedIdType() ||
> - VD->getType()->isObjCQualifiedInterfaceType())
> - // Simply use 'id' for all qualified types.
> - elementTypeAsString = "id";
> - else
> - elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy());
> - }
> -
> - // struct __objcFastEnumerationState enumState = { 0 };
> - buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t";
> - // id __rw_items[16];
> - buf += "id __rw_items[16];\n\t";
> - // id l_collection = (id)
> - buf += "id l_collection = (id)";
> - // Find start location of 'collection' the hard way!
> - const char *startCollectionBuf = startBuf;
> - startCollectionBuf += 3; // skip 'for'
> - startCollectionBuf = strchr(startCollectionBuf, '(');
> - startCollectionBuf++; // skip '('
> - // find 'in' and skip it.
> - while (*startCollectionBuf != ' ' ||
> - *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' ||
> - (*(startCollectionBuf+3) != ' ' &&
> - *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '('))
> - startCollectionBuf++;
> - startCollectionBuf += 3;
> -
> - // Replace: "for (type element in" with string constructed thus far.
> - ReplaceText(startLoc, startCollectionBuf - startBuf, buf);
> - // Replace ')' in for '(' type elem in collection ')' with ';'
> - SourceLocation rightParenLoc = S->getRParenLoc();
> - const char *rparenBuf = SM->getCharacterData(rightParenLoc);
> - SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf);
> - buf = ";\n\t";
> -
> - // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState
> - // objects:__rw_items count:16];
> - // which is synthesized into:
> - // unsigned int limit =
> - // ((unsigned int (*)
> - // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int))
> - // (void *)objc_msgSend)((id)l_collection,
> - // sel_registerName(
> - // "countByEnumeratingWithState:objects:count:"),
> - // (struct __objcFastEnumerationState *)&state,
> - // (id *)__rw_items, (unsigned int)16);
> - buf += "unsigned long limit =\n\t\t";
> - SynthCountByEnumWithState(buf);
> - buf += ";\n\t";
> - /// if (limit) {
> - /// unsigned long startMutations = *enumState.mutationsPtr;
> - /// do {
> - /// unsigned long counter = 0;
> - /// do {
> - /// if (startMutations != *enumState.mutationsPtr)
> - /// objc_enumerationMutation(l_collection);
> - /// elem = (type)enumState.itemsPtr[counter++];
> - buf += "if (limit) {\n\t";
> - buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t";
> - buf += "do {\n\t\t";
> - buf += "unsigned long counter = 0;\n\t\t";
> - buf += "do {\n\t\t\t";
> - buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t";
> - buf += "objc_enumerationMutation(l_collection);\n\t\t\t";
> - buf += elementName;
> - buf += " = (";
> - buf += elementTypeAsString;
> - buf += ")enumState.itemsPtr[counter++];";
> - // Replace ')' in for '(' type elem in collection ')' with all of these.
> - ReplaceText(lparenLoc, 1, buf);
> -
> - /// __continue_label: ;
> - /// } while (counter < limit);
> - /// } while (limit = [l_collection countByEnumeratingWithState:&enumState
> - /// objects:__rw_items count:16]);
> - /// elem = nil;
> - /// __break_label: ;
> - /// }
> - /// else
> - /// elem = nil;
> - /// }
> - ///
> - buf = ";\n\t";
> - buf += "__continue_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - buf += ": ;";
> - buf += "\n\t\t";
> - buf += "} while (counter < limit);\n\t";
> - buf += "} while (limit = ";
> - SynthCountByEnumWithState(buf);
> - buf += ");\n\t";
> - buf += elementName;
> - buf += " = ((";
> - buf += elementTypeAsString;
> - buf += ")0);\n\t";
> - buf += "__break_label_";
> - buf += utostr(ObjCBcLabelNo.back());
> - buf += ": ;\n\t";
> - buf += "}\n\t";
> - buf += "else\n\t\t";
> - buf += elementName;
> - buf += " = ((";
> - buf += elementTypeAsString;
> - buf += ")0);\n\t";
> - buf += "}\n";
> -
> - // Insert all these *after* the statement body.
> - // FIXME: If this should support Obj-C++, support CXXTryStmt
> - if (isa<CompoundStmt>(S->getBody())) {
> - SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1);
> - InsertText(endBodyLoc, buf);
> - } else {
> - /* Need to treat single statements specially. For example:
> - *
> - * for (A *a in b) if (stuff()) break;
> - * for (A *a in b) xxxyy;
> - *
> - * The following code simply scans ahead to the semi to find the actual end.
> - */
> - const char *stmtBuf = SM->getCharacterData(OrigEnd);
> - const char *semiBuf = strchr(stmtBuf, ';');
> - assert(semiBuf && "Can't find ';'");
> - SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1);
> - InsertText(endBodyLoc, buf);
> - }
> - Stmts.pop_back();
> - ObjCBcLabelNo.pop_back();
> - return nullptr;
> -}
> -
> -/// RewriteObjCSynchronizedStmt -
> -/// This routine rewrites @synchronized(expr) stmt;
> -/// into:
> -/// objc_sync_enter(expr);
> -/// @try stmt @finally { objc_sync_exit(expr); }
> -///
> -Stmt *RewriteObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @synchronized location");
> -
> - std::string buf;
> - buf = "objc_sync_enter((id)";
> - const char *lparenBuf = startBuf;
> - while (*lparenBuf != '(') lparenBuf++;
> - ReplaceText(startLoc, lparenBuf-startBuf+1, buf);
> - // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since
> - // the sync expression is typically a message expression that's already
> - // been rewritten! (which implies the SourceLocation's are invalid).
> - SourceLocation endLoc = S->getSynchBody()->getLocStart();
> - const char *endBuf = SM->getCharacterData(endLoc);
> - while (*endBuf != ')') endBuf--;
> - SourceLocation rparenLoc = startLoc.getLocWithOffset(endBuf-startBuf);
> - buf = ");\n";
> - // declare a new scope with two variables, _stack and _rethrow.
> - buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n";
> - buf += "int buf[18/*32-bit i386*/];\n";
> - buf += "char *pointers[4];} _stack;\n";
> - buf += "id volatile _rethrow = 0;\n";
> - buf += "objc_exception_try_enter(&_stack);\n";
> - buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n";
> - ReplaceText(rparenLoc, 1, buf);
> - startLoc = S->getSynchBody()->getLocEnd();
> - startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '}') && "bogus @synchronized block");
> - SourceLocation lastCurlyLoc = startLoc;
> - buf = "}\nelse {\n";
> - buf += " _rethrow = objc_exception_extract(&_stack);\n";
> - buf += "}\n";
> - buf += "{ /* implicit finally clause */\n";
> - buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n";
> -
> - std::string syncBuf;
> - syncBuf += " objc_sync_exit(";
> -
> - Expr *syncExpr = S->getSynchExpr();
> - CastKind CK = syncExpr->getType()->isObjCObjectPointerType()
> - ? CK_BitCast :
> - syncExpr->getType()->isBlockPointerType()
> - ? CK_BlockPointerToObjCPointerCast
> - : CK_CPointerToObjCPointerCast;
> - syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK, syncExpr);
> - std::string syncExprBufS;
> - llvm::raw_string_ostream syncExprBuf(syncExprBufS);
> - assert(syncExpr != nullptr && "Expected non-null Expr");
> - syncExpr->printPretty(syncExprBuf, nullptr, PrintingPolicy(LangOpts));
> - syncBuf += syncExprBuf.str();
> - syncBuf += ");";
> -
> - buf += syncBuf;
> - buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n";
> - buf += "}\n";
> - buf += "}";
> -
> - ReplaceText(lastCurlyLoc, 1, buf);
> -
> - bool hasReturns = false;
> - HasReturnStmts(S->getSynchBody(), hasReturns);
> - if (hasReturns)
> - RewriteSyncReturnStmts(S->getSynchBody(), syncBuf);
> -
> - return nullptr;
> -}
> -
> -void RewriteObjC::WarnAboutReturnGotoStmts(Stmt *S)
> -{
> - // Perform a bottom up traversal of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI)
> - WarnAboutReturnGotoStmts(*CI);
> -
> - if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) {
> - Diags.Report(Context->getFullLoc(S->getLocStart()),
> - TryFinallyContainsReturnDiag);
> - }
> - return;
> -}
> -
> -void RewriteObjC::HasReturnStmts(Stmt *S, bool &hasReturns)
> -{
> - // Perform a bottom up traversal of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI)
> - HasReturnStmts(*CI, hasReturns);
> -
> - if (isa<ReturnStmt>(S))
> - hasReturns = true;
> - return;
> -}
> -
> -void RewriteObjC::RewriteTryReturnStmts(Stmt *S) {
> - // Perform a bottom up traversal of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - RewriteTryReturnStmts(*CI);
> - }
> - if (isa<ReturnStmt>(S)) {
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - const char *semiBuf = strchr(startBuf, ';');
> - assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'");
> - SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1);
> -
> - std::string buf;
> - buf = "{ objc_exception_try_exit(&_stack); return";
> -
> - ReplaceText(startLoc, 6, buf);
> - InsertText(onePastSemiLoc, "}");
> - }
> - return;
> -}
> -
> -void RewriteObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) {
> - // Perform a bottom up traversal of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - RewriteSyncReturnStmts(*CI, syncExitBuf);
> - }
> - if (isa<ReturnStmt>(S)) {
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - const char *semiBuf = strchr(startBuf, ';');
> - assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'");
> - SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1);
> -
> - std::string buf;
> - buf = "{ objc_exception_try_exit(&_stack);";
> - buf += syncExitBuf;
> - buf += " return";
> -
> - ReplaceText(startLoc, 6, buf);
> - InsertText(onePastSemiLoc, "}");
> - }
> - return;
> -}
> -
> -Stmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) {
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @try location");
> -
> - std::string buf;
> - // declare a new scope with two variables, _stack and _rethrow.
> - buf = "/* @try scope begin */ { struct _objc_exception_data {\n";
> - buf += "int buf[18/*32-bit i386*/];\n";
> - buf += "char *pointers[4];} _stack;\n";
> - buf += "id volatile _rethrow = 0;\n";
> - buf += "objc_exception_try_enter(&_stack);\n";
> - buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n";
> -
> - ReplaceText(startLoc, 4, buf);
> -
> - startLoc = S->getTryBody()->getLocEnd();
> - startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '}') && "bogus @try block");
> -
> - SourceLocation lastCurlyLoc = startLoc;
> - if (S->getNumCatchStmts()) {
> - startLoc = startLoc.getLocWithOffset(1);
> - buf = " /* @catch begin */ else {\n";
> - buf += " id _caught = objc_exception_extract(&_stack);\n";
> - buf += " objc_exception_try_enter (&_stack);\n";
> - buf += " if (_setjmp(_stack.buf))\n";
> - buf += " _rethrow = objc_exception_extract(&_stack);\n";
> - buf += " else { /* @catch continue */";
> -
> - InsertText(startLoc, buf);
> - } else { /* no catch list */
> - buf = "}\nelse {\n";
> - buf += " _rethrow = objc_exception_extract(&_stack);\n";
> - buf += "}";
> - ReplaceText(lastCurlyLoc, 1, buf);
> - }
> - Stmt *lastCatchBody = nullptr;
> - for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) {
> - ObjCAtCatchStmt *Catch = S->getCatchStmt(I);
> - VarDecl *catchDecl = Catch->getCatchParamDecl();
> -
> - if (I == 0)
> - buf = "if ("; // we are generating code for the first catch clause
> - else
> - buf = "else if (";
> - startLoc = Catch->getLocStart();
> - startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @catch location");
> -
> - const char *lParenLoc = strchr(startBuf, '(');
> -
> - if (Catch->hasEllipsis()) {
> - // Now rewrite the body...
> - lastCatchBody = Catch->getCatchBody();
> - SourceLocation bodyLoc = lastCatchBody->getLocStart();
> - const char *bodyBuf = SM->getCharacterData(bodyLoc);
> - assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' &&
> - "bogus @catch paren location");
> - assert((*bodyBuf == '{') && "bogus @catch body location");
> -
> - buf += "1) { id _tmp = _caught;";
> - Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf);
> - } else if (catchDecl) {
> - QualType t = catchDecl->getType();
> - if (t == Context->getObjCIdType()) {
> - buf += "1) { ";
> - ReplaceText(startLoc, lParenLoc-startBuf+1, buf);
> - } else if (const ObjCObjectPointerType *Ptr =
> - t->getAs<ObjCObjectPointerType>()) {
> - // Should be a pointer to a class.
> - ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface();
> - if (IDecl) {
> - buf += "objc_exception_match((struct objc_class *)objc_getClass(\"";
> - buf += IDecl->getNameAsString();
> - buf += "\"), (struct objc_object *)_caught)) { ";
> - ReplaceText(startLoc, lParenLoc-startBuf+1, buf);
> - }
> - }
> - // Now rewrite the body...
> - lastCatchBody = Catch->getCatchBody();
> - SourceLocation rParenLoc = Catch->getRParenLoc();
> - SourceLocation bodyLoc = lastCatchBody->getLocStart();
> - const char *bodyBuf = SM->getCharacterData(bodyLoc);
> - const char *rParenBuf = SM->getCharacterData(rParenLoc);
> - assert((*rParenBuf == ')') && "bogus @catch paren location");
> - assert((*bodyBuf == '{') && "bogus @catch body location");
> -
> - // Here we replace ") {" with "= _caught;" (which initializes and
> - // declares the @catch parameter).
> - ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;");
> - } else {
> - llvm_unreachable("@catch rewrite bug");
> - }
> - }
> - // Complete the catch list...
> - if (lastCatchBody) {
> - SourceLocation bodyLoc = lastCatchBody->getLocEnd();
> - assert(*SM->getCharacterData(bodyLoc) == '}' &&
> - "bogus @catch body location");
> -
> - // Insert the last (implicit) else clause *before* the right curly brace.
> - bodyLoc = bodyLoc.getLocWithOffset(-1);
> - buf = "} /* last catch end */\n";
> - buf += "else {\n";
> - buf += " _rethrow = _caught;\n";
> - buf += " objc_exception_try_exit(&_stack);\n";
> - buf += "} } /* @catch end */\n";
> - if (!S->getFinallyStmt())
> - buf += "}\n";
> - InsertText(bodyLoc, buf);
> -
> - // Set lastCurlyLoc
> - lastCurlyLoc = lastCatchBody->getLocEnd();
> - }
> - if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) {
> - startLoc = finalStmt->getLocStart();
> - startBuf = SM->getCharacterData(startLoc);
> - assert((*startBuf == '@') && "bogus @finally start");
> -
> - ReplaceText(startLoc, 8, "/* @finally */");
> -
> - Stmt *body = finalStmt->getFinallyBody();
> - SourceLocation startLoc = body->getLocStart();
> - SourceLocation endLoc = body->getLocEnd();
> - assert(*SM->getCharacterData(startLoc) == '{' &&
> - "bogus @finally body location");
> - assert(*SM->getCharacterData(endLoc) == '}' &&
> - "bogus @finally body location");
> -
> - startLoc = startLoc.getLocWithOffset(1);
> - InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n");
> - endLoc = endLoc.getLocWithOffset(-1);
> - InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n");
> -
> - // Set lastCurlyLoc
> - lastCurlyLoc = body->getLocEnd();
> -
> - // Now check for any return/continue/go statements within the @try.
> - WarnAboutReturnGotoStmts(S->getTryBody());
> - } else { /* no finally clause - make sure we synthesize an implicit one */
> - buf = "{ /* implicit finally clause */\n";
> - buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n";
> - buf += " if (_rethrow) objc_exception_throw(_rethrow);\n";
> - buf += "}";
> - ReplaceText(lastCurlyLoc, 1, buf);
> -
> - // Now check for any return/continue/go statements within the @try.
> - // The implicit finally clause won't called if the @try contains any
> - // jump statements.
> - bool hasReturns = false;
> - HasReturnStmts(S->getTryBody(), hasReturns);
> - if (hasReturns)
> - RewriteTryReturnStmts(S->getTryBody());
> - }
> - // Now emit the final closing curly brace...
> - lastCurlyLoc = lastCurlyLoc.getLocWithOffset(1);
> - InsertText(lastCurlyLoc, " } /* @try scope end */\n");
> - return nullptr;
> -}
> -
> -// This can't be done with ReplaceStmt(S, ThrowExpr), since
> -// the throw expression is typically a message expression that's already
> -// been rewritten! (which implies the SourceLocation's are invalid).
> -Stmt *RewriteObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) {
> - // Get the start location and compute the semi location.
> - SourceLocation startLoc = S->getLocStart();
> - const char *startBuf = SM->getCharacterData(startLoc);
> -
> - assert((*startBuf == '@') && "bogus @throw location");
> -
> - std::string buf;
> - /* void objc_exception_throw(id) __attribute__((noreturn)); */
> - if (S->getThrowExpr())
> - buf = "objc_exception_throw(";
> - else // add an implicit argument
> - buf = "objc_exception_throw(_caught";
> -
> - // handle "@ throw" correctly.
> - const char *wBuf = strchr(startBuf, 'w');
> - assert((*wBuf == 'w') && "@throw: can't find 'w'");
> - ReplaceText(startLoc, wBuf-startBuf+1, buf);
> -
> - const char *semiBuf = strchr(startBuf, ';');
> - assert((*semiBuf == ';') && "@throw: can't find ';'");
> - SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf);
> - ReplaceText(semiLoc, 1, ");");
> - return nullptr;
> -}
> -
> -Stmt *RewriteObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) {
> - // Create a new string expression.
> - std::string StrEncoding;
> - Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding);
> - Expr *Replacement = getStringLiteral(StrEncoding);
> - ReplaceStmt(Exp, Replacement);
> -
> - // Replace this subexpr in the parent.
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return Replacement;
> -}
> -
> -Stmt *RewriteObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) {
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl");
> - // Create a call to sel_registerName("selName").
> - SmallVector<Expr*, 8> SelExprs;
> - SelExprs.push_back(getStringLiteral(Exp->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size());
> - ReplaceStmt(Exp, SelExp);
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return SelExp;
> -}
> -
> -CallExpr *RewriteObjC::SynthesizeCallToFunctionDecl(
> - FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc,
> - SourceLocation EndLoc) {
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = FD->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - // Now, we cast the reference to a pointer to the objc_msgSend type.
> - QualType pToFunc = Context->getPointerType(msgSendType);
> - ImplicitCastExpr *ICE =
> - ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay,
> - DRE, nullptr, VK_RValue);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> -
> - CallExpr *Exp =
> - new (Context) CallExpr(*Context, ICE, llvm::makeArrayRef(args, nargs),
> - FT->getCallResultType(*Context),
> - VK_RValue, EndLoc);
> - return Exp;
> -}
> -
> -static bool scanForProtocolRefs(const char *startBuf, const char *endBuf,
> - const char *&startRef, const char *&endRef) {
> - while (startBuf < endBuf) {
> - if (*startBuf == '<')
> - startRef = startBuf; // mark the start.
> - if (*startBuf == '>') {
> - if (startRef && *startRef == '<') {
> - endRef = startBuf; // mark the end.
> - return true;
> - }
> - return false;
> - }
> - startBuf++;
> - }
> - return false;
> -}
> -
> -static void scanToNextArgument(const char *&argRef) {
> - int angle = 0;
> - while (*argRef != ')' && (*argRef != ',' || angle > 0)) {
> - if (*argRef == '<')
> - angle++;
> - else if (*argRef == '>')
> - angle--;
> - argRef++;
> - }
> - assert(angle == 0 && "scanToNextArgument - bad protocol type syntax");
> -}
> -
> -bool RewriteObjC::needToScanForQualifiers(QualType T) {
> - if (T->isObjCQualifiedIdType())
> - return true;
> - if (const PointerType *PT = T->getAs<PointerType>()) {
> - if (PT->getPointeeType()->isObjCQualifiedIdType())
> - return true;
> - }
> - if (T->isObjCObjectPointerType()) {
> - T = T->getPointeeType();
> - return T->isObjCQualifiedInterfaceType();
> - }
> - if (T->isArrayType()) {
> - QualType ElemTy = Context->getBaseElementType(T);
> - return needToScanForQualifiers(ElemTy);
> - }
> - return false;
> -}
> -
> -void RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) {
> - QualType Type = E->getType();
> - if (needToScanForQualifiers(Type)) {
> - SourceLocation Loc, EndLoc;
> -
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) {
> - Loc = ECE->getLParenLoc();
> - EndLoc = ECE->getRParenLoc();
> - } else {
> - Loc = E->getLocStart();
> - EndLoc = E->getLocEnd();
> - }
> - // This will defend against trying to rewrite synthesized expressions.
> - if (Loc.isInvalid() || EndLoc.isInvalid())
> - return;
> -
> - const char *startBuf = SM->getCharacterData(Loc);
> - const char *endBuf = SM->getCharacterData(EndLoc);
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf);
> - SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - }
> -}
> -
> -void RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) {
> - SourceLocation Loc;
> - QualType Type;
> - const FunctionProtoType *proto = nullptr;
> - if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) {
> - Loc = VD->getLocation();
> - Type = VD->getType();
> - }
> - else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) {
> - Loc = FD->getLocation();
> - // Check for ObjC 'id' and class types that have been adorned with protocol
> - // information (id<p>, C<p>*). The protocol references need to be rewritten!
> - const FunctionType *funcType = FD->getType()->getAs<FunctionType>();
> - assert(funcType && "missing function type");
> - proto = dyn_cast<FunctionProtoType>(funcType);
> - if (!proto)
> - return;
> - Type = proto->getReturnType();
> - }
> - else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) {
> - Loc = FD->getLocation();
> - Type = FD->getType();
> - }
> - else
> - return;
> -
> - if (needToScanForQualifiers(Type)) {
> - // Since types are unique, we need to scan the buffer.
> -
> - const char *endBuf = SM->getCharacterData(Loc);
> - const char *startBuf = endBuf;
> - while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart)
> - startBuf--; // scan backward (from the decl location) for return type.
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf);
> - SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - }
> - if (!proto)
> - return; // most likely, was a variable
> - // Now check arguments.
> - const char *startBuf = SM->getCharacterData(Loc);
> - const char *startFuncBuf = startBuf;
> - for (unsigned i = 0; i < proto->getNumParams(); i++) {
> - if (needToScanForQualifiers(proto->getParamType(i))) {
> - // Since types are unique, we need to scan the buffer.
> -
> - const char *endBuf = startBuf;
> - // scan forward (from the decl location) for argument types.
> - scanToNextArgument(endBuf);
> - const char *startRef = nullptr, *endRef = nullptr;
> - if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) {
> - // Get the locations of the startRef, endRef.
> - SourceLocation LessLoc =
> - Loc.getLocWithOffset(startRef-startFuncBuf);
> - SourceLocation GreaterLoc =
> - Loc.getLocWithOffset(endRef-startFuncBuf+1);
> - // Comment out the protocol references.
> - InsertText(LessLoc, "/*");
> - InsertText(GreaterLoc, "*/");
> - }
> - startBuf = ++endBuf;
> - }
> - else {
> - // If the function name is derived from a macro expansion, then the
> - // argument buffer will not follow the name. Need to speak with Chris.
> - while (*startBuf && *startBuf != ')' && *startBuf != ',')
> - startBuf++; // scan forward (from the decl location) for argument types.
> - startBuf++;
> - }
> - }
> -}
> -
> -void RewriteObjC::RewriteTypeOfDecl(VarDecl *ND) {
> - QualType QT = ND->getType();
> - const Type* TypePtr = QT->getAs<Type>();
> - if (!isa<TypeOfExprType>(TypePtr))
> - return;
> - while (isa<TypeOfExprType>(TypePtr)) {
> - const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr);
> - QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType();
> - TypePtr = QT->getAs<Type>();
> - }
> - // FIXME. This will not work for multiple declarators; as in:
> - // __typeof__(a) b,c,d;
> - std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy()));
> - SourceLocation DeclLoc = ND->getTypeSpecStartLoc();
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - if (ND->getInit()) {
> - std::string Name(ND->getNameAsString());
> - TypeAsString += " " + Name + " = ";
> - Expr *E = ND->getInit();
> - SourceLocation startLoc;
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E))
> - startLoc = ECE->getLParenLoc();
> - else
> - startLoc = E->getLocStart();
> - startLoc = SM->getExpansionLoc(startLoc);
> - const char *endBuf = SM->getCharacterData(startLoc);
> - ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString);
> - }
> - else {
> - SourceLocation X = ND->getLocEnd();
> - X = SM->getExpansionLoc(X);
> - const char *endBuf = SM->getCharacterData(X);
> - ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString);
> - }
> -}
> -
> -// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str);
> -void RewriteObjC::SynthSelGetUidFunctionDecl() {
> - IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getFuncType =
> - getSimpleFunctionType(Context->getObjCSelType(), ArgTys);
> - SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - SelGetUidIdent, getFuncType,
> - nullptr, SC_Extern);
> -}
> -
> -void RewriteObjC::RewriteFunctionDecl(FunctionDecl *FD) {
> - // declared in <objc/objc.h>
> - if (FD->getIdentifier() &&
> - FD->getName() == "sel_registerName") {
> - SelGetUidFunctionDecl = FD;
> - return;
> - }
> - RewriteObjCQualifiedInterfaceTypes(FD);
> -}
> -
> -void RewriteObjC::RewriteBlockPointerType(std::string& Str, QualType Type) {
> - std::string TypeString(Type.getAsString(Context->getPrintingPolicy()));
> - const char *argPtr = TypeString.c_str();
> - if (!strchr(argPtr, '^')) {
> - Str += TypeString;
> - return;
> - }
> - while (*argPtr) {
> - Str += (*argPtr == '^' ? '*' : *argPtr);
> - argPtr++;
> - }
> -}
> -
> -// FIXME. Consolidate this routine with RewriteBlockPointerType.
> -void RewriteObjC::RewriteBlockPointerTypeVariable(std::string& Str,
> - ValueDecl *VD) {
> - QualType Type = VD->getType();
> - std::string TypeString(Type.getAsString(Context->getPrintingPolicy()));
> - const char *argPtr = TypeString.c_str();
> - int paren = 0;
> - while (*argPtr) {
> - switch (*argPtr) {
> - case '(':
> - Str += *argPtr;
> - paren++;
> - break;
> - case ')':
> - Str += *argPtr;
> - paren--;
> - break;
> - case '^':
> - Str += '*';
> - if (paren == 1)
> - Str += VD->getNameAsString();
> - break;
> - default:
> - Str += *argPtr;
> - break;
> - }
> - argPtr++;
> - }
> -}
> -
> -
> -void RewriteObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) {
> - SourceLocation FunLocStart = FD->getTypeSpecStartLoc();
> - const FunctionType *funcType = FD->getType()->getAs<FunctionType>();
> - const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType);
> - if (!proto)
> - return;
> - QualType Type = proto->getReturnType();
> - std::string FdStr = Type.getAsString(Context->getPrintingPolicy());
> - FdStr += " ";
> - FdStr += FD->getName();
> - FdStr += "(";
> - unsigned numArgs = proto->getNumParams();
> - for (unsigned i = 0; i < numArgs; i++) {
> - QualType ArgType = proto->getParamType(i);
> - RewriteBlockPointerType(FdStr, ArgType);
> - if (i+1 < numArgs)
> - FdStr += ", ";
> - }
> - FdStr += ");\n";
> - InsertText(FunLocStart, FdStr);
> - CurFunctionDeclToDeclareForBlock = nullptr;
> -}
> -
> -// SynthSuperConstructorFunctionDecl - id objc_super(id obj, id super);
> -void RewriteObjC::SynthSuperConstructorFunctionDecl() {
> - if (SuperConstructorFunctionDecl)
> - return;
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys);
> - SuperConstructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...);
> -void RewriteObjC::SynthMsgSendFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...);
> -void RewriteObjC::SynthMsgSendSuperFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper");
> - SmallVector<QualType, 16> ArgTys;
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("objc_super"));
> - QualType argT = Context->getPointerType(Context->getTagDeclType(RD));
> - assert(!argT.isNull() && "Can't build 'struct objc_super *' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...);
> -void RewriteObjC::SynthMsgSendStretFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthMsgSendSuperStretFunctionDecl -
> -// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...);
> -void RewriteObjC::SynthMsgSendSuperStretFunctionDecl() {
> - IdentifierInfo *msgSendIdent =
> - &Context->Idents.get("objc_msgSendSuper_stret");
> - SmallVector<QualType, 16> ArgTys;
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("objc_super"));
> - QualType argT = Context->getPointerType(Context->getTagDeclType(RD));
> - assert(!argT.isNull() && "Can't build 'struct objc_super *' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys, /*isVariadic=*/true);
> - MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent,
> - msgSendType, nullptr,
> - SC_Extern);
> -}
> -
> -// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...);
> -void RewriteObjC::SynthMsgSendFpretFunctionDecl() {
> - IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret");
> - SmallVector<QualType, 16> ArgTys;
> - QualType argT = Context->getObjCIdType();
> - assert(!argT.isNull() && "Can't find 'id' type");
> - ArgTys.push_back(argT);
> - argT = Context->getObjCSelType();
> - assert(!argT.isNull() && "Can't find 'SEL' type");
> - ArgTys.push_back(argT);
> - QualType msgSendType = getSimpleFunctionType(Context->DoubleTy,
> - ArgTys, /*isVariadic=*/true);
> - MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - msgSendIdent, msgSendType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthGetClassFunctionDecl - id objc_getClass(const char *name);
> -void RewriteObjC::SynthGetClassFunctionDecl() {
> - IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys);
> - GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getClassIdent, getClassType,
> - nullptr, SC_Extern);
> -}
> -
> -// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls);
> -void RewriteObjC::SynthGetSuperClassFunctionDecl() {
> - IdentifierInfo *getSuperClassIdent =
> - &Context->Idents.get("class_getSuperclass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getObjCClassType());
> - QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(),
> - ArgTys);
> - GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getSuperClassIdent,
> - getClassType, nullptr,
> - SC_Extern);
> -}
> -
> -// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name);
> -void RewriteObjC::SynthGetMetaClassFunctionDecl() {
> - IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass");
> - SmallVector<QualType, 16> ArgTys;
> - ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst()));
> - QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(),
> - ArgTys);
> - GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl,
> - SourceLocation(),
> - SourceLocation(),
> - getClassIdent, getClassType,
> - nullptr, SC_Extern);
> -}
> -
> -Stmt *RewriteObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) {
> - assert(Exp != nullptr && "Expected non-null ObjCStringLiteral");
> - QualType strType = getConstantStringStructType();
> -
> - std::string S = "__NSConstantStringImpl_";
> -
> - std::string tmpName = InFileName;
> - unsigned i;
> - for (i=0; i < tmpName.length(); i++) {
> - char c = tmpName.at(i);
> - // replace any non-alphanumeric characters with '_'.
> - if (!isAlphanumeric(c))
> - tmpName[i] = '_';
> - }
> - S += tmpName;
> - S += "_";
> - S += utostr(NumObjCStringLiterals++);
> -
> - Preamble += "static __NSConstantStringImpl " + S;
> - Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,";
> - Preamble += "0x000007c8,"; // utf8_str
> - // The pretty printer for StringLiteral handles escape characters properly.
> - std::string prettyBufS;
> - llvm::raw_string_ostream prettyBuf(prettyBufS);
> - Exp->getString()->printPretty(prettyBuf, nullptr, PrintingPolicy(LangOpts));
> - Preamble += prettyBuf.str();
> - Preamble += ",";
> - Preamble += utostr(Exp->getString()->getByteLength()) + "};\n";
> -
> - VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), &Context->Idents.get(S),
> - strType, nullptr, SC_Static);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, strType, VK_LValue,
> - SourceLocation());
> - Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf,
> - Context->getPointerType(DRE->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - // cast to NSConstantString *
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(),
> - CK_CPointerToObjCPointerCast, Unop);
> - ReplaceStmt(Exp, cast);
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return cast;
> -}
> -
> -// struct objc_super { struct objc_object *receiver; struct objc_class *super; };
> -QualType RewriteObjC::getSuperStructType() {
> - if (!SuperStructDecl) {
> - SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("objc_super"));
> - QualType FieldTypes[2];
> -
> - // struct objc_object *receiver;
> - FieldTypes[0] = Context->getObjCIdType();
> - // struct objc_class *super;
> - FieldTypes[1] = Context->getObjCClassType();
> -
> - // Create fields
> - for (unsigned i = 0; i < 2; ++i) {
> - SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl,
> - SourceLocation(),
> - SourceLocation(), nullptr,
> - FieldTypes[i], nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/false,
> - ICIS_NoInit));
> - }
> -
> - SuperStructDecl->completeDefinition();
> - }
> - return Context->getTagDeclType(SuperStructDecl);
> -}
> -
> -QualType RewriteObjC::getConstantStringStructType() {
> - if (!ConstantStringDecl) {
> - ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("__NSConstantStringImpl"));
> - QualType FieldTypes[4];
> -
> - // struct objc_object *receiver;
> - FieldTypes[0] = Context->getObjCIdType();
> - // int flags;
> - FieldTypes[1] = Context->IntTy;
> - // char *str;
> - FieldTypes[2] = Context->getPointerType(Context->CharTy);
> - // long length;
> - FieldTypes[3] = Context->LongTy;
> -
> - // Create fields
> - for (unsigned i = 0; i < 4; ++i) {
> - ConstantStringDecl->addDecl(FieldDecl::Create(*Context,
> - ConstantStringDecl,
> - SourceLocation(),
> - SourceLocation(), nullptr,
> - FieldTypes[i], nullptr,
> - /*BitWidth=*/nullptr,
> - /*Mutable=*/true,
> - ICIS_NoInit));
> - }
> -
> - ConstantStringDecl->completeDefinition();
> - }
> - return Context->getTagDeclType(ConstantStringDecl);
> -}
> -
> -CallExpr *RewriteObjC::SynthMsgSendStretCallExpr(FunctionDecl *MsgSendStretFlavor,
> - QualType msgSendType,
> - QualType returnType,
> - SmallVectorImpl<QualType> &ArgTypes,
> - SmallVectorImpl<Expr*> &MsgExprs,
> - ObjCMethodDecl *Method) {
> - // Create a reference to the objc_msgSend_stret() declaration.
> - DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor,
> - false, msgSendType,
> - VK_LValue, SourceLocation());
> - // Need to cast objc_msgSend_stret to "void *" (see above comment).
> - CastExpr *cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, STDRE);
> - // Now do the "normal" pointer to function cast.
> - QualType castType = getSimpleFunctionType(returnType, ArgTypes,
> - Method ? Method->isVariadic()
> - : false);
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *STCE = new (Context) CallExpr(
> - *Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, SourceLocation());
> - return STCE;
> -
> -}
> -
> -
> -Stmt *RewriteObjC::SynthMessageExpr(ObjCMessageExpr *Exp,
> - SourceLocation StartLoc,
> - SourceLocation EndLoc) {
> - if (!SelGetUidFunctionDecl)
> - SynthSelGetUidFunctionDecl();
> - if (!MsgSendFunctionDecl)
> - SynthMsgSendFunctionDecl();
> - if (!MsgSendSuperFunctionDecl)
> - SynthMsgSendSuperFunctionDecl();
> - if (!MsgSendStretFunctionDecl)
> - SynthMsgSendStretFunctionDecl();
> - if (!MsgSendSuperStretFunctionDecl)
> - SynthMsgSendSuperStretFunctionDecl();
> - if (!MsgSendFpretFunctionDecl)
> - SynthMsgSendFpretFunctionDecl();
> - if (!GetClassFunctionDecl)
> - SynthGetClassFunctionDecl();
> - if (!GetSuperClassFunctionDecl)
> - SynthGetSuperClassFunctionDecl();
> - if (!GetMetaClassFunctionDecl)
> - SynthGetMetaClassFunctionDecl();
> -
> - // default to objc_msgSend().
> - FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl;
> - // May need to use objc_msgSend_stret() as well.
> - FunctionDecl *MsgSendStretFlavor = nullptr;
> - if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) {
> - QualType resultType = mDecl->getReturnType();
> - if (resultType->isRecordType())
> - MsgSendStretFlavor = MsgSendStretFunctionDecl;
> - else if (resultType->isRealFloatingType())
> - MsgSendFlavor = MsgSendFpretFunctionDecl;
> - }
> -
> - // Synthesize a call to objc_msgSend().
> - SmallVector<Expr*, 8> MsgExprs;
> - switch (Exp->getReceiverKind()) {
> - case ObjCMessageExpr::SuperClass: {
> - MsgSendFlavor = MsgSendSuperFunctionDecl;
> - if (MsgSendStretFlavor)
> - MsgSendStretFlavor = MsgSendSuperStretFunctionDecl;
> - assert(MsgSendFlavor && "MsgSendFlavor is NULL!");
> -
> - ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface();
> -
> - SmallVector<Expr*, 4> InitExprs;
> -
> - // set the receiver to self, the first argument to all methods.
> - InitExprs.push_back(
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast,
> - new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(),
> - false,
> - Context->getObjCIdType(),
> - VK_RValue,
> - SourceLocation()))
> - ); // set the 'receiver'.
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - SmallVector<Expr*, 8> ClsExprs;
> - ClsExprs.push_back(getStringLiteral(ClassDecl->getIdentifier()->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc,
> - EndLoc);
> - // (Class)objc_getClass("CurrentClass")
> - CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context,
> - Context->getObjCClassType(),
> - CK_BitCast, Cls);
> - ClsExprs.clear();
> - ClsExprs.push_back(ArgExpr);
> - Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl,
> - &ClsExprs[0], ClsExprs.size(),
> - StartLoc, EndLoc);
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - // To turn off a warning, type-cast to 'id'
> - InitExprs.push_back( // set 'super class', using class_getSuperclass().
> - NoTypeInfoCStyleCastExpr(Context,
> - Context->getObjCIdType(),
> - CK_BitCast, Cls));
> - // struct objc_super
> - QualType superType = getSuperStructType();
> - Expr *SuperRep;
> -
> - if (LangOpts.MicrosoftExt) {
> - SynthSuperConstructorFunctionDecl();
> - // Simulate a constructor call...
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperConstructorFunctionDecl,
> - false, superType, VK_LValue,
> - SourceLocation());
> - SuperRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - superType, VK_LValue,
> - SourceLocation());
> - // The code for super is a little tricky to prevent collision with
> - // the structure definition in the header. The rewriter has it's own
> - // internal definition (__rw_objc_super) that is uses. This is why
> - // we need the cast below. For example:
> - // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER"))
> - //
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - SuperRep = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(superType),
> - CK_BitCast, SuperRep);
> - } else {
> - // (struct objc_super) { <exprs from above> }
> - InitListExpr *ILE =
> - new (Context) InitListExpr(*Context, SourceLocation(), InitExprs,
> - SourceLocation());
> - TypeSourceInfo *superTInfo
> - = Context->getTrivialTypeSourceInfo(superType);
> - SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo,
> - superType, VK_LValue,
> - ILE, false);
> - // struct objc_super *
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - }
> - MsgExprs.push_back(SuperRep);
> - break;
> - }
> -
> - case ObjCMessageExpr::Class: {
> - SmallVector<Expr*, 8> ClsExprs;
> - ObjCInterfaceDecl *Class
> - = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface();
> - IdentifierInfo *clsName = Class->getIdentifier();
> - ClsExprs.push_back(getStringLiteral(clsName->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - MsgExprs.push_back(Cls);
> - break;
> - }
> -
> - case ObjCMessageExpr::SuperInstance:{
> - MsgSendFlavor = MsgSendSuperFunctionDecl;
> - if (MsgSendStretFlavor)
> - MsgSendStretFlavor = MsgSendSuperStretFunctionDecl;
> - assert(MsgSendFlavor && "MsgSendFlavor is NULL!");
> - ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface();
> - SmallVector<Expr*, 4> InitExprs;
> -
> - InitExprs.push_back(
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast,
> - new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(),
> - false,
> - Context->getObjCIdType(),
> - VK_RValue, SourceLocation()))
> - ); // set the 'receiver'.
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - SmallVector<Expr*, 8> ClsExprs;
> - ClsExprs.push_back(getStringLiteral(ClassDecl->getIdentifier()->getName()));
> - CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl,
> - &ClsExprs[0],
> - ClsExprs.size(),
> - StartLoc, EndLoc);
> - // (Class)objc_getClass("CurrentClass")
> - CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context,
> - Context->getObjCClassType(),
> - CK_BitCast, Cls);
> - ClsExprs.clear();
> - ClsExprs.push_back(ArgExpr);
> - Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl,
> - &ClsExprs[0], ClsExprs.size(),
> - StartLoc, EndLoc);
> -
> - // (id)class_getSuperclass((Class)objc_getClass("CurrentClass"))
> - // To turn off a warning, type-cast to 'id'
> - InitExprs.push_back(
> - // set 'super class', using class_getSuperclass().
> - NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK_BitCast, Cls));
> - // struct objc_super
> - QualType superType = getSuperStructType();
> - Expr *SuperRep;
> -
> - if (LangOpts.MicrosoftExt) {
> - SynthSuperConstructorFunctionDecl();
> - // Simulate a constructor call...
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperConstructorFunctionDecl,
> - false, superType, VK_LValue,
> - SourceLocation());
> - SuperRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - superType, VK_LValue, SourceLocation());
> - // The code for super is a little tricky to prevent collision with
> - // the structure definition in the header. The rewriter has it's own
> - // internal definition (__rw_objc_super) that is uses. This is why
> - // we need the cast below. For example:
> - // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER"))
> - //
> - SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf,
> - Context->getPointerType(SuperRep->getType()),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - SuperRep = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(superType),
> - CK_BitCast, SuperRep);
> - } else {
> - // (struct objc_super) { <exprs from above> }
> - InitListExpr *ILE =
> - new (Context) InitListExpr(*Context, SourceLocation(), InitExprs,
> - SourceLocation());
> - TypeSourceInfo *superTInfo
> - = Context->getTrivialTypeSourceInfo(superType);
> - SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo,
> - superType, VK_RValue, ILE,
> - false);
> - }
> - MsgExprs.push_back(SuperRep);
> - break;
> - }
> -
> - case ObjCMessageExpr::Instance: {
> - // Remove all type-casts because it may contain objc-style types; e.g.
> - // Foo<Proto> *.
> - Expr *recExpr = Exp->getInstanceReceiver();
> - while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr))
> - recExpr = CE->getSubExpr();
> - CastKind CK = recExpr->getType()->isObjCObjectPointerType()
> - ? CK_BitCast : recExpr->getType()->isBlockPointerType()
> - ? CK_BlockPointerToObjCPointerCast
> - : CK_CPointerToObjCPointerCast;
> -
> - recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK, recExpr);
> - MsgExprs.push_back(recExpr);
> - break;
> - }
> - }
> -
> - // Create a call to sel_registerName("selName"), it will be the 2nd argument.
> - SmallVector<Expr*, 8> SelExprs;
> - SelExprs.push_back(getStringLiteral(Exp->getSelector().getAsString()));
> - CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl,
> - &SelExprs[0], SelExprs.size(),
> - StartLoc,
> - EndLoc);
> - MsgExprs.push_back(SelExp);
> -
> - // Now push any user supplied arguments.
> - for (unsigned i = 0; i < Exp->getNumArgs(); i++) {
> - Expr *userExpr = Exp->getArg(i);
> - // Make all implicit casts explicit...ICE comes in handy:-)
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) {
> - // Reuse the ICE type, it is exactly what the doctor ordered.
> - QualType type = ICE->getType();
> - if (needToScanForQualifiers(type))
> - type = Context->getObjCIdType();
> - // Make sure we convert "type (^)(...)" to "type (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(type);
> - const Expr *SubExpr = ICE->IgnoreParenImpCasts();
> - CastKind CK;
> - if (SubExpr->getType()->isIntegralType(*Context) &&
> - type->isBooleanType()) {
> - CK = CK_IntegralToBoolean;
> - } else if (type->isObjCObjectPointerType()) {
> - if (SubExpr->getType()->isBlockPointerType()) {
> - CK = CK_BlockPointerToObjCPointerCast;
> - } else if (SubExpr->getType()->isPointerType()) {
> - CK = CK_CPointerToObjCPointerCast;
> - } else {
> - CK = CK_BitCast;
> - }
> - } else {
> - CK = CK_BitCast;
> - }
> -
> - userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr);
> - }
> - // Make id<P...> cast into an 'id' cast.
> - else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) {
> - if (CE->getType()->isObjCQualifiedIdType()) {
> - while ((CE = dyn_cast<CStyleCastExpr>(userExpr)))
> - userExpr = CE->getSubExpr();
> - CastKind CK;
> - if (userExpr->getType()->isIntegralType(*Context)) {
> - CK = CK_IntegralToPointer;
> - } else if (userExpr->getType()->isBlockPointerType()) {
> - CK = CK_BlockPointerToObjCPointerCast;
> - } else if (userExpr->getType()->isPointerType()) {
> - CK = CK_CPointerToObjCPointerCast;
> - } else {
> - CK = CK_BitCast;
> - }
> - userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(),
> - CK, userExpr);
> - }
> - }
> - MsgExprs.push_back(userExpr);
> - // We've transferred the ownership to MsgExprs. For now, we *don't* null
> - // out the argument in the original expression (since we aren't deleting
> - // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info.
> - //Exp->setArg(i, 0);
> - }
> - // Generate the funky cast.
> - CastExpr *cast;
> - SmallVector<QualType, 8> ArgTypes;
> - QualType returnType;
> -
> - // Push 'id' and 'SEL', the 2 implicit arguments.
> - if (MsgSendFlavor == MsgSendSuperFunctionDecl)
> - ArgTypes.push_back(Context->getPointerType(getSuperStructType()));
> - else
> - ArgTypes.push_back(Context->getObjCIdType());
> - ArgTypes.push_back(Context->getObjCSelType());
> - if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) {
> - // Push any user argument types.
> - for (const auto *PI : OMD->params()) {
> - QualType t = PI->getType()->isObjCQualifiedIdType()
> - ? Context->getObjCIdType()
> - : PI->getType();
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - (void)convertBlockPointerToFunctionPointer(t);
> - ArgTypes.push_back(t);
> - }
> - returnType = Exp->getType();
> - convertToUnqualifiedObjCType(returnType);
> - (void)convertBlockPointerToFunctionPointer(returnType);
> - } else {
> - returnType = Context->getObjCIdType();
> - }
> - // Get the type, we will need to reference it in a couple spots.
> - QualType msgSendType = MsgSendFlavor->getType();
> -
> - // Create a reference to the objc_msgSend() declaration.
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType,
> - VK_LValue, SourceLocation());
> -
> - // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid).
> - // If we don't do this cast, we get the following bizarre warning/note:
> - // xx.m:13: warning: function called through a non-compatible type
> - // xx.m:13: note: if this code is reached, the program will abort
> - cast = NoTypeInfoCStyleCastExpr(Context,
> - Context->getPointerType(Context->VoidTy),
> - CK_BitCast, DRE);
> -
> - // Now do the "normal" pointer to function cast.
> - // If we don't have a method decl, force a variadic cast.
> - const ObjCMethodDecl *MD = Exp->getMethodDecl();
> - QualType castType =
> - getSimpleFunctionType(returnType, ArgTypes, MD ? MD->isVariadic() : true);
> - castType = Context->getPointerType(castType);
> - cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast,
> - cast);
> -
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast);
> -
> - const FunctionType *FT = msgSendType->getAs<FunctionType>();
> - CallExpr *CE = new (Context)
> - CallExpr(*Context, PE, MsgExprs, FT->getReturnType(), VK_RValue, EndLoc);
> - Stmt *ReplacingStmt = CE;
> - if (MsgSendStretFlavor) {
> - // We have the method which returns a struct/union. Must also generate
> - // call to objc_msgSend_stret and hang both varieties on a conditional
> - // expression which dictate which one to envoke depending on size of
> - // method's return type.
> -
> - CallExpr *STCE = SynthMsgSendStretCallExpr(MsgSendStretFlavor,
> - msgSendType, returnType,
> - ArgTypes, MsgExprs,
> - Exp->getMethodDecl());
> -
> - // Build sizeof(returnType)
> - UnaryExprOrTypeTraitExpr *sizeofExpr =
> - new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf,
> - Context->getTrivialTypeSourceInfo(returnType),
> - Context->getSizeType(), SourceLocation(),
> - SourceLocation());
> - // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...))
> - // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases.
> - // For X86 it is more complicated and some kind of target specific routine
> - // is needed to decide what to do.
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> - IntegerLiteral *limit = IntegerLiteral::Create(*Context,
> - llvm::APInt(IntSize, 8),
> - Context->IntTy,
> - SourceLocation());
> - BinaryOperator *lessThanExpr =
> - new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy,
> - VK_RValue, OK_Ordinary, SourceLocation(),
> - false);
> - // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...))
> - ConditionalOperator *CondExpr =
> - new (Context) ConditionalOperator(lessThanExpr,
> - SourceLocation(), CE,
> - SourceLocation(), STCE,
> - returnType, VK_RValue, OK_Ordinary);
> - ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - CondExpr);
> - }
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return ReplacingStmt;
> -}
> -
> -Stmt *RewriteObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) {
> - Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(),
> - Exp->getLocEnd());
> -
> - // Now do the actual rewrite.
> - ReplaceStmt(Exp, ReplacingStmt);
> -
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return ReplacingStmt;
> -}
> -
> -// typedef struct objc_object Protocol;
> -QualType RewriteObjC::getProtocolType() {
> - if (!ProtocolTypeDecl) {
> - TypeSourceInfo *TInfo
> - = Context->getTrivialTypeSourceInfo(Context->getObjCIdType());
> - ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("Protocol"),
> - TInfo);
> - }
> - return Context->getTypeDeclType(ProtocolTypeDecl);
> -}
> -
> -/// RewriteObjCProtocolExpr - Rewrite a protocol expression into
> -/// a synthesized/forward data reference (to the protocol's metadata).
> -/// The forward references (and metadata) are generated in
> -/// RewriteObjC::HandleTranslationUnit().
> -Stmt *RewriteObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) {
> - std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString();
> - IdentifierInfo *ID = &Context->Idents.get(Name);
> - VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), ID, getProtocolType(),
> - nullptr, SC_Extern);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, false, getProtocolType(),
> - VK_LValue, SourceLocation());
> - Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf,
> - Context->getPointerType(DRE->getType()),
> - VK_RValue, OK_Ordinary, SourceLocation());
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(),
> - CK_BitCast,
> - DerefExpr);
> - ReplaceStmt(Exp, castExpr);
> - ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl());
> - // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info.
> - return castExpr;
> -
> -}
> -
> -bool RewriteObjC::BufferContainsPPDirectives(const char *startBuf,
> - const char *endBuf) {
> - while (startBuf < endBuf) {
> - if (*startBuf == '#') {
> - // Skip whitespace.
> - for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf)
> - ;
> - if (!strncmp(startBuf, "if", strlen("if")) ||
> - !strncmp(startBuf, "ifdef", strlen("ifdef")) ||
> - !strncmp(startBuf, "ifndef", strlen("ifndef")) ||
> - !strncmp(startBuf, "define", strlen("define")) ||
> - !strncmp(startBuf, "undef", strlen("undef")) ||
> - !strncmp(startBuf, "else", strlen("else")) ||
> - !strncmp(startBuf, "elif", strlen("elif")) ||
> - !strncmp(startBuf, "endif", strlen("endif")) ||
> - !strncmp(startBuf, "pragma", strlen("pragma")) ||
> - !strncmp(startBuf, "include", strlen("include")) ||
> - !strncmp(startBuf, "import", strlen("import")) ||
> - !strncmp(startBuf, "include_next", strlen("include_next")))
> - return true;
> - }
> - startBuf++;
> - }
> - return false;
> -}
> -
> -/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to
> -/// an objective-c class with ivars.
> -void RewriteObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl,
> - std::string &Result) {
> - assert(CDecl && "Class missing in SynthesizeObjCInternalStruct");
> - assert(CDecl->getName() != "" &&
> - "Name missing in SynthesizeObjCInternalStruct");
> - // Do not synthesize more than once.
> - if (ObjCSynthesizedStructs.count(CDecl))
> - return;
> - ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass();
> - int NumIvars = CDecl->ivar_size();
> - SourceLocation LocStart = CDecl->getLocStart();
> - SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc();
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> -
> - // If no ivars and no root or if its root, directly or indirectly,
> - // have no ivars (thus not synthesized) then no need to synthesize this class.
> - if ((!CDecl->isThisDeclarationADefinition() || NumIvars == 0) &&
> - (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) {
> - endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts);
> - ReplaceText(LocStart, endBuf-startBuf, Result);
> - return;
> - }
> -
> - // FIXME: This has potential of causing problem. If
> - // SynthesizeObjCInternalStruct is ever called recursively.
> - Result += "\nstruct ";
> - Result += CDecl->getNameAsString();
> - if (LangOpts.MicrosoftExt)
> - Result += "_IMPL";
> -
> - if (NumIvars > 0) {
> - const char *cursor = strchr(startBuf, '{');
> - assert((cursor && endBuf)
> - && "SynthesizeObjCInternalStruct - malformed @interface");
> - // If the buffer contains preprocessor directives, we do more fine-grained
> - // rewrites. This is intended to fix code that looks like (which occurs in
> - // NSURL.h, for example):
> - //
> - // #ifdef XYZ
> - // @interface Foo : NSObject
> - // #else
> - // @interface FooBar : NSObject
> - // #endif
> - // {
> - // int i;
> - // }
> - // @end
> - //
> - // This clause is segregated to avoid breaking the common case.
> - if (BufferContainsPPDirectives(startBuf, cursor)) {
> - SourceLocation L = RCDecl ? CDecl->getSuperClassLoc() :
> - CDecl->getAtStartLoc();
> - const char *endHeader = SM->getCharacterData(L);
> - endHeader += Lexer::MeasureTokenLength(L, *SM, LangOpts);
> -
> - if (CDecl->protocol_begin() != CDecl->protocol_end()) {
> - // advance to the end of the referenced protocols.
> - while (endHeader < cursor && *endHeader != '>') endHeader++;
> - endHeader++;
> - }
> - // rewrite the original header
> - ReplaceText(LocStart, endHeader-startBuf, Result);
> - } else {
> - // rewrite the original header *without* disturbing the '{'
> - ReplaceText(LocStart, cursor-startBuf, Result);
> - }
> - if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) {
> - Result = "\n struct ";
> - Result += RCDecl->getNameAsString();
> - Result += "_IMPL ";
> - Result += RCDecl->getNameAsString();
> - Result += "_IVARS;\n";
> -
> - // insert the super class structure definition.
> - SourceLocation OnePastCurly =
> - LocStart.getLocWithOffset(cursor-startBuf+1);
> - InsertText(OnePastCurly, Result);
> - }
> - cursor++; // past '{'
> -
> - // Now comment out any visibility specifiers.
> - while (cursor < endBuf) {
> - if (*cursor == '@') {
> - SourceLocation atLoc = LocStart.getLocWithOffset(cursor-startBuf);
> - // Skip whitespace.
> - for (++cursor; cursor[0] == ' ' || cursor[0] == '\t'; ++cursor)
> - /*scan*/;
> -
> - // FIXME: presence of @public, etc. inside comment results in
> - // this transformation as well, which is still correct c-code.
> - if (!strncmp(cursor, "public", strlen("public")) ||
> - !strncmp(cursor, "private", strlen("private")) ||
> - !strncmp(cursor, "package", strlen("package")) ||
> - !strncmp(cursor, "protected", strlen("protected")))
> - InsertText(atLoc, "// ");
> - }
> - // FIXME: If there are cases where '<' is used in ivar declaration part
> - // of user code, then scan the ivar list and use needToScanForQualifiers
> - // for type checking.
> - else if (*cursor == '<') {
> - SourceLocation atLoc = LocStart.getLocWithOffset(cursor-startBuf);
> - InsertText(atLoc, "/* ");
> - cursor = strchr(cursor, '>');
> - cursor++;
> - atLoc = LocStart.getLocWithOffset(cursor-startBuf);
> - InsertText(atLoc, " */");
> - } else if (*cursor == '^') { // rewrite block specifier.
> - SourceLocation caretLoc = LocStart.getLocWithOffset(cursor-startBuf);
> - ReplaceText(caretLoc, 1, "*");
> - }
> - cursor++;
> - }
> - // Don't forget to add a ';'!!
> - InsertText(LocEnd.getLocWithOffset(1), ";");
> - } else { // we don't have any instance variables - insert super struct.
> - endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts);
> - Result += " {\n struct ";
> - Result += RCDecl->getNameAsString();
> - Result += "_IMPL ";
> - Result += RCDecl->getNameAsString();
> - Result += "_IVARS;\n};\n";
> - ReplaceText(LocStart, endBuf-startBuf, Result);
> - }
> - // Mark this struct as having been generated.
> - if (!ObjCSynthesizedStructs.insert(CDecl))
> - llvm_unreachable("struct already synthesize- SynthesizeObjCInternalStruct");
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Meta Data Emission
> -//===----------------------------------------------------------------------===//
> -
> -
> -/// RewriteImplementations - This routine rewrites all method implementations
> -/// and emits meta-data.
> -
> -void RewriteObjC::RewriteImplementations() {
> - int ClsDefCount = ClassImplementation.size();
> - int CatDefCount = CategoryImplementation.size();
> -
> - // Rewrite implemented methods
> - for (int i = 0; i < ClsDefCount; i++)
> - RewriteImplementationDecl(ClassImplementation[i]);
> -
> - for (int i = 0; i < CatDefCount; i++)
> - RewriteImplementationDecl(CategoryImplementation[i]);
> -}
> -
> -void RewriteObjC::RewriteByRefString(std::string &ResultStr,
> - const std::string &Name,
> - ValueDecl *VD, bool def) {
> - assert(BlockByRefDeclNo.count(VD) &&
> - "RewriteByRefString: ByRef decl missing");
> - if (def)
> - ResultStr += "struct ";
> - ResultStr += "__Block_byref_" + Name +
> - "_" + utostr(BlockByRefDeclNo[VD]) ;
> -}
> -
> -static bool HasLocalVariableExternalStorage(ValueDecl *VD) {
> - if (VarDecl *Var = dyn_cast<VarDecl>(VD))
> - return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage());
> - return false;
> -}
> -
> -std::string RewriteObjC::SynthesizeBlockFunc(BlockExpr *CE, int i,
> - StringRef funcName,
> - std::string Tag) {
> - const FunctionType *AFT = CE->getFunctionType();
> - QualType RT = AFT->getReturnType();
> - std::string StructRef = "struct " + Tag;
> - std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" +
> - funcName.str() + "_" + "block_func_" + utostr(i);
> -
> - BlockDecl *BD = CE->getBlockDecl();
> -
> - if (isa<FunctionNoProtoType>(AFT)) {
> - // No user-supplied arguments. Still need to pass in a pointer to the
> - // block (to reference imported block decl refs).
> - S += "(" + StructRef + " *__cself)";
> - } else if (BD->param_empty()) {
> - S += "(" + StructRef + " *__cself)";
> - } else {
> - const FunctionProtoType *FT = cast<FunctionProtoType>(AFT);
> - assert(FT && "SynthesizeBlockFunc: No function proto");
> - S += '(';
> - // first add the implicit argument.
> - S += StructRef + " *__cself, ";
> - std::string ParamStr;
> - for (BlockDecl::param_iterator AI = BD->param_begin(),
> - E = BD->param_end(); AI != E; ++AI) {
> - if (AI != BD->param_begin()) S += ", ";
> - ParamStr = (*AI)->getNameAsString();
> - QualType QT = (*AI)->getType();
> - (void)convertBlockPointerToFunctionPointer(QT);
> - QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy());
> - S += ParamStr;
> - }
> - if (FT->isVariadic()) {
> - if (!BD->param_empty()) S += ", ";
> - S += "...";
> - }
> - S += ')';
> - }
> - S += " {\n";
> -
> - // Create local declarations to avoid rewriting all closure decl ref exprs.
> - // First, emit a declaration for all "by ref" decls.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string Name = (*I)->getNameAsString();
> - std::string TypeString;
> - RewriteByRefString(TypeString, Name, (*I));
> - TypeString += " *";
> - Name = TypeString + Name;
> - S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n";
> - }
> - // Next, emit a declaration for all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - S += " ";
> - // Handle nested closure invocation. For example:
> - //
> - // void (^myImportedClosure)(void);
> - // myImportedClosure = ^(void) { setGlobalInt(x + y); };
> - //
> - // void (^anotherClosure)(void);
> - // anotherClosure = ^(void) {
> - // myImportedClosure(); // import and invoke the closure
> - // };
> - //
> - if (isTopLevelBlockPointerType((*I)->getType())) {
> - RewriteBlockPointerTypeVariable(S, (*I));
> - S += " = (";
> - RewriteBlockPointerType(S, (*I)->getType());
> - S += ")";
> - S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n";
> - }
> - else {
> - std::string Name = (*I)->getNameAsString();
> - QualType QT = (*I)->getType();
> - if (HasLocalVariableExternalStorage(*I))
> - QT = Context->getPointerType(QT);
> - QT.getAsStringInternal(Name, Context->getPrintingPolicy());
> - S += Name + " = __cself->" +
> - (*I)->getNameAsString() + "; // bound by copy\n";
> - }
> - }
> - std::string RewrittenStr = RewrittenBlockExprs[CE];
> - const char *cstr = RewrittenStr.c_str();
> - while (*cstr++ != '{') ;
> - S += cstr;
> - S += "\n";
> - return S;
> -}
> -
> -std::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
> - StringRef funcName,
> - std::string Tag) {
> - std::string StructRef = "struct " + Tag;
> - std::string S = "static void __";
> -
> - S += funcName;
> - S += "_block_copy_" + utostr(i);
> - S += "(" + StructRef;
> - S += "*dst, " + StructRef;
> - S += "*src) {";
> - for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(),
> - E = ImportedBlockDecls.end(); I != E; ++I) {
> - ValueDecl *VD = (*I);
> - S += "_Block_object_assign((void*)&dst->";
> - S += (*I)->getNameAsString();
> - S += ", (void*)src->";
> - S += (*I)->getNameAsString();
> - if (BlockByRefDeclsPtrSet.count((*I)))
> - S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
> - else if (VD->getType()->isBlockPointerType())
> - S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
> - else
> - S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);";
> - }
> - S += "}\n";
> -
> - S += "\nstatic void __";
> - S += funcName;
> - S += "_block_dispose_" + utostr(i);
> - S += "(" + StructRef;
> - S += "*src) {";
> - for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(),
> - E = ImportedBlockDecls.end(); I != E; ++I) {
> - ValueDecl *VD = (*I);
> - S += "_Block_object_dispose((void*)src->";
> - S += (*I)->getNameAsString();
> - if (BlockByRefDeclsPtrSet.count((*I)))
> - S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
> - else if (VD->getType()->isBlockPointerType())
> - S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
> - else
> - S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);";
> - }
> - S += "}\n";
> - return S;
> -}
> -
> -std::string RewriteObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag,
> - std::string Desc) {
> - std::string S = "\nstruct " + Tag;
> - std::string Constructor = " " + Tag;
> -
> - S += " {\n struct __block_impl impl;\n";
> - S += " struct " + Desc;
> - S += "* Desc;\n";
> -
> - Constructor += "(void *fp, "; // Invoke function pointer.
> - Constructor += "struct " + Desc; // Descriptor pointer.
> - Constructor += " *desc";
> -
> - if (BlockDeclRefs.size()) {
> - // Output all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string FieldName = (*I)->getNameAsString();
> - std::string ArgName = "_" + FieldName;
> - // Handle nested closure invocation. For example:
> - //
> - // void (^myImportedBlock)(void);
> - // myImportedBlock = ^(void) { setGlobalInt(x + y); };
> - //
> - // void (^anotherBlock)(void);
> - // anotherBlock = ^(void) {
> - // myImportedBlock(); // import and invoke the closure
> - // };
> - //
> - if (isTopLevelBlockPointerType((*I)->getType())) {
> - S += "struct __block_impl *";
> - Constructor += ", void *" + ArgName;
> - } else {
> - QualType QT = (*I)->getType();
> - if (HasLocalVariableExternalStorage(*I))
> - QT = Context->getPointerType(QT);
> - QT.getAsStringInternal(FieldName, Context->getPrintingPolicy());
> - QT.getAsStringInternal(ArgName, Context->getPrintingPolicy());
> - Constructor += ", " + ArgName;
> - }
> - S += FieldName + ";\n";
> - }
> - // Output all "by ref" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - S += " ";
> - std::string FieldName = (*I)->getNameAsString();
> - std::string ArgName = "_" + FieldName;
> - {
> - std::string TypeString;
> - RewriteByRefString(TypeString, FieldName, (*I));
> - TypeString += " *";
> - FieldName = TypeString + FieldName;
> - ArgName = TypeString + ArgName;
> - Constructor += ", " + ArgName;
> - }
> - S += FieldName + "; // by ref\n";
> - }
> - // Finish writing the constructor.
> - Constructor += ", int flags=0)";
> - // Initialize all "by copy" arguments.
> - bool firsTime = true;
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - std::string Name = (*I)->getNameAsString();
> - if (firsTime) {
> - Constructor += " : ";
> - firsTime = false;
> - }
> - else
> - Constructor += ", ";
> - if (isTopLevelBlockPointerType((*I)->getType()))
> - Constructor += Name + "((struct __block_impl *)_" + Name + ")";
> - else
> - Constructor += Name + "(_" + Name + ")";
> - }
> - // Initialize all "by ref" arguments.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - std::string Name = (*I)->getNameAsString();
> - if (firsTime) {
> - Constructor += " : ";
> - firsTime = false;
> - }
> - else
> - Constructor += ", ";
> - Constructor += Name + "(_" + Name + "->__forwarding)";
> - }
> -
> - Constructor += " {\n";
> - if (GlobalVarDecl)
> - Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n";
> - else
> - Constructor += " impl.isa = &_NSConcreteStackBlock;\n";
> - Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n";
> -
> - Constructor += " Desc = desc;\n";
> - } else {
> - // Finish writing the constructor.
> - Constructor += ", int flags=0) {\n";
> - if (GlobalVarDecl)
> - Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n";
> - else
> - Constructor += " impl.isa = &_NSConcreteStackBlock;\n";
> - Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n";
> - Constructor += " Desc = desc;\n";
> - }
> - Constructor += " ";
> - Constructor += "}\n";
> - S += Constructor;
> - S += "};\n";
> - return S;
> -}
> -
> -std::string RewriteObjC::SynthesizeBlockDescriptor(std::string DescTag,
> - std::string ImplTag, int i,
> - StringRef FunName,
> - unsigned hasCopy) {
> - std::string S = "\nstatic struct " + DescTag;
> -
> - S += " {\n unsigned long reserved;\n";
> - S += " unsigned long Block_size;\n";
> - if (hasCopy) {
> - S += " void (*copy)(struct ";
> - S += ImplTag; S += "*, struct ";
> - S += ImplTag; S += "*);\n";
> -
> - S += " void (*dispose)(struct ";
> - S += ImplTag; S += "*);\n";
> - }
> - S += "} ";
> -
> - S += DescTag + "_DATA = { 0, sizeof(struct ";
> - S += ImplTag + ")";
> - if (hasCopy) {
> - S += ", __" + FunName.str() + "_block_copy_" + utostr(i);
> - S += ", __" + FunName.str() + "_block_dispose_" + utostr(i);
> - }
> - S += "};\n";
> - return S;
> -}
> -
> -void RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart,
> - StringRef FunName) {
> - // Insert declaration for the function in which block literal is used.
> - if (CurFunctionDeclToDeclareForBlock && !Blocks.empty())
> - RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock);
> - bool RewriteSC = (GlobalVarDecl &&
> - !Blocks.empty() &&
> - GlobalVarDecl->getStorageClass() == SC_Static &&
> - GlobalVarDecl->getType().getCVRQualifiers());
> - if (RewriteSC) {
> - std::string SC(" void __");
> - SC += GlobalVarDecl->getNameAsString();
> - SC += "() {}";
> - InsertText(FunLocStart, SC);
> - }
> -
> - // Insert closures that were part of the function.
> - for (unsigned i = 0, count=0; i < Blocks.size(); i++) {
> - CollectBlockDeclRefInfo(Blocks[i]);
> - // Need to copy-in the inner copied-in variables not actually used in this
> - // block.
> - for (int j = 0; j < InnerDeclRefsCount[i]; j++) {
> - DeclRefExpr *Exp = InnerDeclRefs[count++];
> - ValueDecl *VD = Exp->getDecl();
> - BlockDeclRefs.push_back(Exp);
> - if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) {
> - BlockByCopyDeclsPtrSet.insert(VD);
> - BlockByCopyDecls.push_back(VD);
> - }
> - if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) {
> - BlockByRefDeclsPtrSet.insert(VD);
> - BlockByRefDecls.push_back(VD);
> - }
> - // imported objects in the inner blocks not used in the outer
> - // blocks must be copied/disposed in the outer block as well.
> - if (VD->hasAttr<BlocksAttr>() ||
> - VD->getType()->isObjCObjectPointerType() ||
> - VD->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(VD);
> - }
> -
> - std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i);
> - std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i);
> -
> - std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag);
> -
> - InsertText(FunLocStart, CI);
> -
> - std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag);
> -
> - InsertText(FunLocStart, CF);
> -
> - if (ImportedBlockDecls.size()) {
> - std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag);
> - InsertText(FunLocStart, HF);
> - }
> - std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName,
> - ImportedBlockDecls.size() > 0);
> - InsertText(FunLocStart, BD);
> -
> - BlockDeclRefs.clear();
> - BlockByRefDecls.clear();
> - BlockByRefDeclsPtrSet.clear();
> - BlockByCopyDecls.clear();
> - BlockByCopyDeclsPtrSet.clear();
> - ImportedBlockDecls.clear();
> - }
> - if (RewriteSC) {
> - // Must insert any 'const/volatile/static here. Since it has been
> - // removed as result of rewriting of block literals.
> - std::string SC;
> - if (GlobalVarDecl->getStorageClass() == SC_Static)
> - SC = "static ";
> - if (GlobalVarDecl->getType().isConstQualified())
> - SC += "const ";
> - if (GlobalVarDecl->getType().isVolatileQualified())
> - SC += "volatile ";
> - if (GlobalVarDecl->getType().isRestrictQualified())
> - SC += "restrict ";
> - InsertText(FunLocStart, SC);
> - }
> -
> - Blocks.clear();
> - InnerDeclRefsCount.clear();
> - InnerDeclRefs.clear();
> - RewrittenBlockExprs.clear();
> -}
> -
> -void RewriteObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) {
> - SourceLocation FunLocStart = FD->getTypeSpecStartLoc();
> - StringRef FuncName = FD->getName();
> -
> - SynthesizeBlockLiterals(FunLocStart, FuncName);
> -}
> -
> -static void BuildUniqueMethodName(std::string &Name,
> - ObjCMethodDecl *MD) {
> - ObjCInterfaceDecl *IFace = MD->getClassInterface();
> - Name = IFace->getName();
> - Name += "__" + MD->getSelector().getAsString();
> - // Convert colons to underscores.
> - std::string::size_type loc = 0;
> - while ((loc = Name.find(":", loc)) != std::string::npos)
> - Name.replace(loc, 1, "_");
> -}
> -
> -void RewriteObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) {
> - //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n");
> - //SourceLocation FunLocStart = MD->getLocStart();
> - SourceLocation FunLocStart = MD->getLocStart();
> - std::string FuncName;
> - BuildUniqueMethodName(FuncName, MD);
> - SynthesizeBlockLiterals(FunLocStart, FuncName);
> -}
> -
> -void RewriteObjC::GetBlockDeclRefExprs(Stmt *S) {
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI))
> - GetBlockDeclRefExprs(CBE->getBody());
> - else
> - GetBlockDeclRefExprs(*CI);
> - }
> - // Handle specific things.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - if (DRE->refersToEnclosingLocal()) {
> - // FIXME: Handle enums.
> - if (!isa<FunctionDecl>(DRE->getDecl()))
> - BlockDeclRefs.push_back(DRE);
> - if (HasLocalVariableExternalStorage(DRE->getDecl()))
> - BlockDeclRefs.push_back(DRE);
> - }
> - }
> -
> - return;
> -}
> -
> -void RewriteObjC::GetInnerBlockDeclRefExprs(Stmt *S,
> - SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs,
> - llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) {
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) {
> - InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl()));
> - GetInnerBlockDeclRefExprs(CBE->getBody(),
> - InnerBlockDeclRefs,
> - InnerContexts);
> - }
> - else
> - GetInnerBlockDeclRefExprs(*CI,
> - InnerBlockDeclRefs,
> - InnerContexts);
> -
> - }
> - // Handle specific things.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - if (DRE->refersToEnclosingLocal()) {
> - if (!isa<FunctionDecl>(DRE->getDecl()) &&
> - !InnerContexts.count(DRE->getDecl()->getDeclContext()))
> - InnerBlockDeclRefs.push_back(DRE);
> - if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl()))
> - if (Var->isFunctionOrMethodVarDecl())
> - ImportedLocalExternalDecls.insert(Var);
> - }
> - }
> -
> - return;
> -}
> -
> -/// convertFunctionTypeOfBlocks - This routine converts a function type
> -/// whose result type may be a block pointer or whose argument type(s)
> -/// might be block pointers to an equivalent function type replacing
> -/// all block pointers to function pointers.
> -QualType RewriteObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) {
> - const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT);
> - // FTP will be null for closures that don't take arguments.
> - // Generate a funky cast.
> - SmallVector<QualType, 8> ArgTypes;
> - QualType Res = FT->getReturnType();
> - bool HasBlockType = convertBlockPointerToFunctionPointer(Res);
> -
> - if (FTP) {
> - for (auto &I : FTP->param_types()) {
> - QualType t = I;
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - if (convertBlockPointerToFunctionPointer(t))
> - HasBlockType = true;
> - ArgTypes.push_back(t);
> - }
> - }
> - QualType FuncType;
> - // FIXME. Does this work if block takes no argument but has a return type
> - // which is of block type?
> - if (HasBlockType)
> - FuncType = getSimpleFunctionType(Res, ArgTypes);
> - else FuncType = QualType(FT, 0);
> - return FuncType;
> -}
> -
> -Stmt *RewriteObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) {
> - // Navigate to relevant type information.
> - const BlockPointerType *CPT = nullptr;
> -
> - if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) {
> - CPT = DRE->getType()->getAs<BlockPointerType>();
> - } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) {
> - CPT = MExpr->getType()->getAs<BlockPointerType>();
> - }
> - else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) {
> - return SynthesizeBlockCall(Exp, PRE->getSubExpr());
> - }
> - else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp))
> - CPT = IEXPR->getType()->getAs<BlockPointerType>();
> - else if (const ConditionalOperator *CEXPR =
> - dyn_cast<ConditionalOperator>(BlockExp)) {
> - Expr *LHSExp = CEXPR->getLHS();
> - Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp);
> - Expr *RHSExp = CEXPR->getRHS();
> - Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp);
> - Expr *CONDExp = CEXPR->getCond();
> - ConditionalOperator *CondExpr =
> - new (Context) ConditionalOperator(CONDExp,
> - SourceLocation(), cast<Expr>(LHSStmt),
> - SourceLocation(), cast<Expr>(RHSStmt),
> - Exp->getType(), VK_RValue, OK_Ordinary);
> - return CondExpr;
> - } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) {
> - CPT = IRE->getType()->getAs<BlockPointerType>();
> - } else if (const PseudoObjectExpr *POE
> - = dyn_cast<PseudoObjectExpr>(BlockExp)) {
> - CPT = POE->getType()->castAs<BlockPointerType>();
> - } else {
> - assert(1 && "RewriteBlockClass: Bad type");
> - }
> - assert(CPT && "RewriteBlockClass: Bad type");
> - const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>();
> - assert(FT && "RewriteBlockClass: Bad type");
> - const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT);
> - // FTP will be null for closures that don't take arguments.
> -
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get("__block_impl"));
> - QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD));
> -
> - // Generate a funky cast.
> - SmallVector<QualType, 8> ArgTypes;
> -
> - // Push the block argument type.
> - ArgTypes.push_back(PtrBlock);
> - if (FTP) {
> - for (auto &I : FTP->param_types()) {
> - QualType t = I;
> - // Make sure we convert "t (^)(...)" to "t (*)(...)".
> - if (!convertBlockPointerToFunctionPointer(t))
> - convertToUnqualifiedObjCType(t);
> - ArgTypes.push_back(t);
> - }
> - }
> - // Now do the pointer to function cast.
> - QualType PtrToFuncCastType = getSimpleFunctionType(Exp->getType(), ArgTypes);
> -
> - PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType);
> -
> - CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock,
> - CK_BitCast,
> - const_cast<Expr*>(BlockExp));
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - BlkCast);
> - //PE->dump();
> -
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("FuncPtr"),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> -
> - CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType,
> - CK_BitCast, ME);
> - PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast);
> -
> - SmallVector<Expr*, 8> BlkExprs;
> - // Add the implicit argument.
> - BlkExprs.push_back(BlkCast);
> - // Add the user arguments.
> - for (CallExpr::arg_iterator I = Exp->arg_begin(),
> - E = Exp->arg_end(); I != E; ++I) {
> - BlkExprs.push_back(*I);
> - }
> - CallExpr *CE = new (Context) CallExpr(*Context, PE, BlkExprs,
> - Exp->getType(), VK_RValue,
> - SourceLocation());
> - return CE;
> -}
> -
> -// We need to return the rewritten expression to handle cases where the
> -// BlockDeclRefExpr is embedded in another expression being rewritten.
> -// For example:
> -//
> -// int main() {
> -// __block Foo *f;
> -// __block int i;
> -//
> -// void (^myblock)() = ^() {
> -// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten).
> -// i = 77;
> -// };
> -//}
> -Stmt *RewriteObjC::RewriteBlockDeclRefExpr(DeclRefExpr *DeclRefExp) {
> - // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR
> - // for each DeclRefExp where BYREFVAR is name of the variable.
> - ValueDecl *VD = DeclRefExp->getDecl();
> - bool isArrow = DeclRefExp->refersToEnclosingLocal();
> -
> - FieldDecl *FD = FieldDecl::Create(*Context, nullptr, SourceLocation(),
> - SourceLocation(),
> - &Context->Idents.get("__forwarding"),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow,
> - FD, SourceLocation(),
> - FD->getType(), VK_LValue,
> - OK_Ordinary);
> -
> - StringRef Name = VD->getName();
> - FD = FieldDecl::Create(*Context, nullptr, SourceLocation(), SourceLocation(),
> - &Context->Idents.get(Name),
> - Context->VoidPtrTy, nullptr,
> - /*BitWidth=*/nullptr, /*Mutable=*/true,
> - ICIS_NoInit);
> - ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(),
> - DeclRefExp->getType(), VK_LValue, OK_Ordinary);
> -
> -
> -
> - // Need parens to enforce precedence.
> - ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(),
> - DeclRefExp->getExprLoc(),
> - ME);
> - ReplaceStmt(DeclRefExp, PE);
> - return PE;
> -}
> -
> -// Rewrites the imported local variable V with external storage
> -// (static, extern, etc.) as *V
> -//
> -Stmt *RewriteObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) {
> - ValueDecl *VD = DRE->getDecl();
> - if (VarDecl *Var = dyn_cast<VarDecl>(VD))
> - if (!ImportedLocalExternalDecls.count(Var))
> - return DRE;
> - Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(),
> - VK_LValue, OK_Ordinary,
> - DRE->getLocation());
> - // Need parens to enforce precedence.
> - ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(),
> - Exp);
> - ReplaceStmt(DRE, PE);
> - return PE;
> -}
> -
> -void RewriteObjC::RewriteCastExpr(CStyleCastExpr *CE) {
> - SourceLocation LocStart = CE->getLParenLoc();
> - SourceLocation LocEnd = CE->getRParenLoc();
> -
> - // Need to avoid trying to rewrite synthesized casts.
> - if (LocStart.isInvalid())
> - return;
> - // Need to avoid trying to rewrite casts contained in macros.
> - if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd))
> - return;
> -
> - const char *startBuf = SM->getCharacterData(LocStart);
> - const char *endBuf = SM->getCharacterData(LocEnd);
> - QualType QT = CE->getType();
> - const Type* TypePtr = QT->getAs<Type>();
> - if (isa<TypeOfExprType>(TypePtr)) {
> - const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr);
> - QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType();
> - std::string TypeAsString = "(";
> - RewriteBlockPointerType(TypeAsString, QT);
> - TypeAsString += ")";
> - ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString);
> - return;
> - }
> - // advance the location to startArgList.
> - const char *argPtr = startBuf;
> -
> - while (*argPtr++ && (argPtr < endBuf)) {
> - switch (*argPtr) {
> - case '^':
> - // Replace the '^' with '*'.
> - LocStart = LocStart.getLocWithOffset(argPtr-startBuf);
> - ReplaceText(LocStart, 1, "*");
> - break;
> - }
> - }
> - return;
> -}
> -
> -void RewriteObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) {
> - SourceLocation DeclLoc = FD->getLocation();
> - unsigned parenCount = 0;
> -
> - // We have 1 or more arguments that have closure pointers.
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - const char *startArgList = strchr(startBuf, '(');
> -
> - assert((*startArgList == '(') && "Rewriter fuzzy parser confused");
> -
> - parenCount++;
> - // advance the location to startArgList.
> - DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf);
> - assert((DeclLoc.isValid()) && "Invalid DeclLoc");
> -
> - const char *argPtr = startArgList;
> -
> - while (*argPtr++ && parenCount) {
> - switch (*argPtr) {
> - case '^':
> - // Replace the '^' with '*'.
> - DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList);
> - ReplaceText(DeclLoc, 1, "*");
> - break;
> - case '(':
> - parenCount++;
> - break;
> - case ')':
> - parenCount--;
> - break;
> - }
> - }
> - return;
> -}
> -
> -bool RewriteObjC::PointerTypeTakesAnyBlockArguments(QualType QT) {
> - const FunctionProtoType *FTP;
> - const PointerType *PT = QT->getAs<PointerType>();
> - if (PT) {
> - FTP = PT->getPointeeType()->getAs<FunctionProtoType>();
> - } else {
> - const BlockPointerType *BPT = QT->getAs<BlockPointerType>();
> - assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type");
> - FTP = BPT->getPointeeType()->getAs<FunctionProtoType>();
> - }
> - if (FTP) {
> - for (const auto &I : FTP->param_types())
> - if (isTopLevelBlockPointerType(I))
> - return true;
> - }
> - return false;
> -}
> -
> -bool RewriteObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) {
> - const FunctionProtoType *FTP;
> - const PointerType *PT = QT->getAs<PointerType>();
> - if (PT) {
> - FTP = PT->getPointeeType()->getAs<FunctionProtoType>();
> - } else {
> - const BlockPointerType *BPT = QT->getAs<BlockPointerType>();
> - assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type");
> - FTP = BPT->getPointeeType()->getAs<FunctionProtoType>();
> - }
> - if (FTP) {
> - for (const auto &I : FTP->param_types()) {
> - if (I->isObjCQualifiedIdType())
> - return true;
> - if (I->isObjCObjectPointerType() &&
> - I->getPointeeType()->isObjCQualifiedInterfaceType())
> - return true;
> - }
> -
> - }
> - return false;
> -}
> -
> -void RewriteObjC::GetExtentOfArgList(const char *Name, const char *&LParen,
> - const char *&RParen) {
> - const char *argPtr = strchr(Name, '(');
> - assert((*argPtr == '(') && "Rewriter fuzzy parser confused");
> -
> - LParen = argPtr; // output the start.
> - argPtr++; // skip past the left paren.
> - unsigned parenCount = 1;
> -
> - while (*argPtr && parenCount) {
> - switch (*argPtr) {
> - case '(': parenCount++; break;
> - case ')': parenCount--; break;
> - default: break;
> - }
> - if (parenCount) argPtr++;
> - }
> - assert((*argPtr == ')') && "Rewriter fuzzy parser confused");
> - RParen = argPtr; // output the end
> -}
> -
> -void RewriteObjC::RewriteBlockPointerDecl(NamedDecl *ND) {
> - if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) {
> - RewriteBlockPointerFunctionArgs(FD);
> - return;
> - }
> - // Handle Variables and Typedefs.
> - SourceLocation DeclLoc = ND->getLocation();
> - QualType DeclT;
> - if (VarDecl *VD = dyn_cast<VarDecl>(ND))
> - DeclT = VD->getType();
> - else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND))
> - DeclT = TDD->getUnderlyingType();
> - else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND))
> - DeclT = FD->getType();
> - else
> - llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled");
> -
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - const char *endBuf = startBuf;
> - // scan backward (from the decl location) for the end of the previous decl.
> - while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart)
> - startBuf--;
> - SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf);
> - std::string buf;
> - unsigned OrigLength=0;
> - // *startBuf != '^' if we are dealing with a pointer to function that
> - // may take block argument types (which will be handled below).
> - if (*startBuf == '^') {
> - // Replace the '^' with '*', computing a negative offset.
> - buf = '*';
> - startBuf++;
> - OrigLength++;
> - }
> - while (*startBuf != ')') {
> - buf += *startBuf;
> - startBuf++;
> - OrigLength++;
> - }
> - buf += ')';
> - OrigLength++;
> -
> - if (PointerTypeTakesAnyBlockArguments(DeclT) ||
> - PointerTypeTakesAnyObjCQualifiedType(DeclT)) {
> - // Replace the '^' with '*' for arguments.
> - // Replace id<P> with id/*<>*/
> - DeclLoc = ND->getLocation();
> - startBuf = SM->getCharacterData(DeclLoc);
> - const char *argListBegin, *argListEnd;
> - GetExtentOfArgList(startBuf, argListBegin, argListEnd);
> - while (argListBegin < argListEnd) {
> - if (*argListBegin == '^')
> - buf += '*';
> - else if (*argListBegin == '<') {
> - buf += "/*";
> - buf += *argListBegin++;
> - OrigLength++;
> - while (*argListBegin != '>') {
> - buf += *argListBegin++;
> - OrigLength++;
> - }
> - buf += *argListBegin;
> - buf += "*/";
> - }
> - else
> - buf += *argListBegin;
> - argListBegin++;
> - OrigLength++;
> - }
> - buf += ')';
> - OrigLength++;
> - }
> - ReplaceText(Start, OrigLength, buf);
> -
> - return;
> -}
> -
> -
> -/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes:
> -/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst,
> -/// struct Block_byref_id_object *src) {
> -/// _Block_object_assign (&_dest->object, _src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT
> -/// [|BLOCK_FIELD_IS_WEAK]) // object
> -/// _Block_object_assign(&_dest->object, _src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK
> -/// [|BLOCK_FIELD_IS_WEAK]) // block
> -/// }
> -/// And:
> -/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) {
> -/// _Block_object_dispose(_src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT
> -/// [|BLOCK_FIELD_IS_WEAK]) // object
> -/// _Block_object_dispose(_src->object,
> -/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK
> -/// [|BLOCK_FIELD_IS_WEAK]) // block
> -/// }
> -
> -std::string RewriteObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD,
> - int flag) {
> - std::string S;
> - if (CopyDestroyCache.count(flag))
> - return S;
> - CopyDestroyCache.insert(flag);
> - S = "static void __Block_byref_id_object_copy_";
> - S += utostr(flag);
> - S += "(void *dst, void *src) {\n";
> -
> - // offset into the object pointer is computed as:
> - // void * + void* + int + int + void* + void *
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> - unsigned VoidPtrSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy));
> -
> - unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth();
> - S += " _Block_object_assign((char*)dst + ";
> - S += utostr(offset);
> - S += ", *(void * *) ((char*)src + ";
> - S += utostr(offset);
> - S += "), ";
> - S += utostr(flag);
> - S += ");\n}\n";
> -
> - S += "static void __Block_byref_id_object_dispose_";
> - S += utostr(flag);
> - S += "(void *src) {\n";
> - S += " _Block_object_dispose(*(void * *) ((char*)src + ";
> - S += utostr(offset);
> - S += "), ";
> - S += utostr(flag);
> - S += ");\n}\n";
> - return S;
> -}
> -
> -/// RewriteByRefVar - For each __block typex ND variable this routine transforms
> -/// the declaration into:
> -/// struct __Block_byref_ND {
> -/// void *__isa; // NULL for everything except __weak pointers
> -/// struct __Block_byref_ND *__forwarding;
> -/// int32_t __flags;
> -/// int32_t __size;
> -/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object
> -/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object
> -/// typex ND;
> -/// };
> -///
> -/// It then replaces declaration of ND variable with:
> -/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag,
> -/// __size=sizeof(struct __Block_byref_ND),
> -/// ND=initializer-if-any};
> -///
> -///
> -void RewriteObjC::RewriteByRefVar(VarDecl *ND) {
> - // Insert declaration for the function in which block literal is
> - // used.
> - if (CurFunctionDeclToDeclareForBlock)
> - RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock);
> - int flag = 0;
> - int isa = 0;
> - SourceLocation DeclLoc = ND->getTypeSpecStartLoc();
> - if (DeclLoc.isInvalid())
> - // If type location is missing, it is because of missing type (a warning).
> - // Use variable's location which is good for this case.
> - DeclLoc = ND->getLocation();
> - const char *startBuf = SM->getCharacterData(DeclLoc);
> - SourceLocation X = ND->getLocEnd();
> - X = SM->getExpansionLoc(X);
> - const char *endBuf = SM->getCharacterData(X);
> - std::string Name(ND->getNameAsString());
> - std::string ByrefType;
> - RewriteByRefString(ByrefType, Name, ND, true);
> - ByrefType += " {\n";
> - ByrefType += " void *__isa;\n";
> - RewriteByRefString(ByrefType, Name, ND);
> - ByrefType += " *__forwarding;\n";
> - ByrefType += " int __flags;\n";
> - ByrefType += " int __size;\n";
> - // Add void *__Block_byref_id_object_copy;
> - // void *__Block_byref_id_object_dispose; if needed.
> - QualType Ty = ND->getType();
> - bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty, ND);
> - if (HasCopyAndDispose) {
> - ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n";
> - ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n";
> - }
> -
> - QualType T = Ty;
> - (void)convertBlockPointerToFunctionPointer(T);
> - T.getAsStringInternal(Name, Context->getPrintingPolicy());
> -
> - ByrefType += " " + Name + ";\n";
> - ByrefType += "};\n";
> - // Insert this type in global scope. It is needed by helper function.
> - SourceLocation FunLocStart;
> - if (CurFunctionDef)
> - FunLocStart = CurFunctionDef->getTypeSpecStartLoc();
> - else {
> - assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null");
> - FunLocStart = CurMethodDef->getLocStart();
> - }
> - InsertText(FunLocStart, ByrefType);
> - if (Ty.isObjCGCWeak()) {
> - flag |= BLOCK_FIELD_IS_WEAK;
> - isa = 1;
> - }
> -
> - if (HasCopyAndDispose) {
> - flag = BLOCK_BYREF_CALLER;
> - QualType Ty = ND->getType();
> - // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well.
> - if (Ty->isBlockPointerType())
> - flag |= BLOCK_FIELD_IS_BLOCK;
> - else
> - flag |= BLOCK_FIELD_IS_OBJECT;
> - std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag);
> - if (!HF.empty())
> - InsertText(FunLocStart, HF);
> - }
> -
> - // struct __Block_byref_ND ND =
> - // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND),
> - // initializer-if-any};
> - bool hasInit = (ND->getInit() != nullptr);
> - unsigned flags = 0;
> - if (HasCopyAndDispose)
> - flags |= BLOCK_HAS_COPY_DISPOSE;
> - Name = ND->getNameAsString();
> - ByrefType.clear();
> - RewriteByRefString(ByrefType, Name, ND);
> - std::string ForwardingCastType("(");
> - ForwardingCastType += ByrefType + " *)";
> - if (!hasInit) {
> - ByrefType += " " + Name + " = {(void*)";
> - ByrefType += utostr(isa);
> - ByrefType += "," + ForwardingCastType + "&" + Name + ", ";
> - ByrefType += utostr(flags);
> - ByrefType += ", ";
> - ByrefType += "sizeof(";
> - RewriteByRefString(ByrefType, Name, ND);
> - ByrefType += ")";
> - if (HasCopyAndDispose) {
> - ByrefType += ", __Block_byref_id_object_copy_";
> - ByrefType += utostr(flag);
> - ByrefType += ", __Block_byref_id_object_dispose_";
> - ByrefType += utostr(flag);
> - }
> - ByrefType += "};\n";
> - unsigned nameSize = Name.size();
> - // for block or function pointer declaration. Name is aleady
> - // part of the declaration.
> - if (Ty->isBlockPointerType() || Ty->isFunctionPointerType())
> - nameSize = 1;
> - ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType);
> - }
> - else {
> - SourceLocation startLoc;
> - Expr *E = ND->getInit();
> - if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E))
> - startLoc = ECE->getLParenLoc();
> - else
> - startLoc = E->getLocStart();
> - startLoc = SM->getExpansionLoc(startLoc);
> - endBuf = SM->getCharacterData(startLoc);
> - ByrefType += " " + Name;
> - ByrefType += " = {(void*)";
> - ByrefType += utostr(isa);
> - ByrefType += "," + ForwardingCastType + "&" + Name + ", ";
> - ByrefType += utostr(flags);
> - ByrefType += ", ";
> - ByrefType += "sizeof(";
> - RewriteByRefString(ByrefType, Name, ND);
> - ByrefType += "), ";
> - if (HasCopyAndDispose) {
> - ByrefType += "__Block_byref_id_object_copy_";
> - ByrefType += utostr(flag);
> - ByrefType += ", __Block_byref_id_object_dispose_";
> - ByrefType += utostr(flag);
> - ByrefType += ", ";
> - }
> - ReplaceText(DeclLoc, endBuf-startBuf, ByrefType);
> -
> - // Complete the newly synthesized compound expression by inserting a right
> - // curly brace before the end of the declaration.
> - // FIXME: This approach avoids rewriting the initializer expression. It
> - // also assumes there is only one declarator. For example, the following
> - // isn't currently supported by this routine (in general):
> - //
> - // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37;
> - //
> - const char *startInitializerBuf = SM->getCharacterData(startLoc);
> - const char *semiBuf = strchr(startInitializerBuf, ';');
> - assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'");
> - SourceLocation semiLoc =
> - startLoc.getLocWithOffset(semiBuf-startInitializerBuf);
> -
> - InsertText(semiLoc, "}");
> - }
> - return;
> -}
> -
> -void RewriteObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) {
> - // Add initializers for any closure decl refs.
> - GetBlockDeclRefExprs(Exp->getBody());
> - if (BlockDeclRefs.size()) {
> - // Unique all "by copy" declarations.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
> - if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
> - BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
> - BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl());
> - }
> - }
> - // Unique all "by ref" declarations.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
> - if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
> - BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
> - BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl());
> - }
> - }
> - // Find any imported blocks...they will need special attention.
> - for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
> - if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() ||
> - BlockDeclRefs[i]->getType()->isObjCObjectPointerType() ||
> - BlockDeclRefs[i]->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl());
> - }
> -}
> -
> -FunctionDecl *RewriteObjC::SynthBlockInitFunctionDecl(StringRef name) {
> - IdentifierInfo *ID = &Context->Idents.get(name);
> - QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy);
> - return FunctionDecl::Create(*Context, TUDecl, SourceLocation(),
> - SourceLocation(), ID, FType, nullptr, SC_Extern,
> - false, false);
> -}
> -
> -Stmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp,
> - const SmallVectorImpl<DeclRefExpr *> &InnerBlockDeclRefs) {
> - const BlockDecl *block = Exp->getBlockDecl();
> - Blocks.push_back(Exp);
> -
> - CollectBlockDeclRefInfo(Exp);
> -
> - // Add inner imported variables now used in current block.
> - int countOfInnerDecls = 0;
> - if (!InnerBlockDeclRefs.empty()) {
> - for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) {
> - DeclRefExpr *Exp = InnerBlockDeclRefs[i];
> - ValueDecl *VD = Exp->getDecl();
> - if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) {
> - // We need to save the copied-in variables in nested
> - // blocks because it is needed at the end for some of the API generations.
> - // See SynthesizeBlockLiterals routine.
> - InnerDeclRefs.push_back(Exp); countOfInnerDecls++;
> - BlockDeclRefs.push_back(Exp);
> - BlockByCopyDeclsPtrSet.insert(VD);
> - BlockByCopyDecls.push_back(VD);
> - }
> - if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) {
> - InnerDeclRefs.push_back(Exp); countOfInnerDecls++;
> - BlockDeclRefs.push_back(Exp);
> - BlockByRefDeclsPtrSet.insert(VD);
> - BlockByRefDecls.push_back(VD);
> - }
> - }
> - // Find any imported blocks...they will need special attention.
> - for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++)
> - if (InnerBlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() ||
> - InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() ||
> - InnerBlockDeclRefs[i]->getType()->isBlockPointerType())
> - ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl());
> - }
> - InnerDeclRefsCount.push_back(countOfInnerDecls);
> -
> - std::string FuncName;
> -
> - if (CurFunctionDef)
> - FuncName = CurFunctionDef->getNameAsString();
> - else if (CurMethodDef)
> - BuildUniqueMethodName(FuncName, CurMethodDef);
> - else if (GlobalVarDecl)
> - FuncName = std::string(GlobalVarDecl->getNameAsString());
> -
> - std::string BlockNumber = utostr(Blocks.size()-1);
> -
> - std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber;
> - std::string Func = "__" + FuncName + "_block_func_" + BlockNumber;
> -
> - // Get a pointer to the function type so we can cast appropriately.
> - QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType());
> - QualType FType = Context->getPointerType(BFT);
> -
> - FunctionDecl *FD;
> - Expr *NewRep;
> -
> - // Simulate a constructor call...
> - FD = SynthBlockInitFunctionDecl(Tag);
> - DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, FType, VK_RValue,
> - SourceLocation());
> -
> - SmallVector<Expr*, 4> InitExprs;
> -
> - // Initialize the block function.
> - FD = SynthBlockInitFunctionDecl(Func);
> - DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, false, FD->getType(),
> - VK_LValue, SourceLocation());
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy,
> - CK_BitCast, Arg);
> - InitExprs.push_back(castExpr);
> -
> - // Initialize the block descriptor.
> - std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA";
> -
> - VarDecl *NewVD = VarDecl::Create(*Context, TUDecl,
> - SourceLocation(), SourceLocation(),
> - &Context->Idents.get(DescData.c_str()),
> - Context->VoidPtrTy, nullptr,
> - SC_Static);
> - UnaryOperator *DescRefExpr =
> - new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, false,
> - Context->VoidPtrTy,
> - VK_LValue,
> - SourceLocation()),
> - UO_AddrOf,
> - Context->getPointerType(Context->VoidPtrTy),
> - VK_RValue, OK_Ordinary,
> - SourceLocation());
> - InitExprs.push_back(DescRefExpr);
> -
> - // Add initializers for any closure decl refs.
> - if (BlockDeclRefs.size()) {
> - Expr *Exp;
> - // Output all "by copy" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByCopyDecls.begin(),
> - E = BlockByCopyDecls.end(); I != E; ++I) {
> - if (isObjCType((*I)->getType())) {
> - // FIXME: Conform to ABI ([[obj retain] autorelease]).
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue,
> - SourceLocation());
> - if (HasLocalVariableExternalStorage(*I)) {
> - QualType QT = (*I)->getType();
> - QT = Context->getPointerType(QT);
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue,
> - OK_Ordinary, SourceLocation());
> - }
> - } else if (isTopLevelBlockPointerType((*I)->getType())) {
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue,
> - SourceLocation());
> - Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy,
> - CK_BitCast, Arg);
> - } else {
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue,
> - SourceLocation());
> - if (HasLocalVariableExternalStorage(*I)) {
> - QualType QT = (*I)->getType();
> - QT = Context->getPointerType(QT);
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue,
> - OK_Ordinary, SourceLocation());
> - }
> -
> - }
> - InitExprs.push_back(Exp);
> - }
> - // Output all "by ref" declarations.
> - for (SmallVectorImpl<ValueDecl *>::iterator I = BlockByRefDecls.begin(),
> - E = BlockByRefDecls.end(); I != E; ++I) {
> - ValueDecl *ND = (*I);
> - std::string Name(ND->getNameAsString());
> - std::string RecName;
> - RewriteByRefString(RecName, Name, ND, true);
> - IdentifierInfo *II = &Context->Idents.get(RecName.c_str()
> - + sizeof("struct"));
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - II);
> - assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl");
> - QualType castT = Context->getPointerType(Context->getTagDeclType(RD));
> -
> - FD = SynthBlockInitFunctionDecl((*I)->getName());
> - Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue,
> - SourceLocation());
> - bool isNestedCapturedVar = false;
> - if (block)
> - for (const auto &CI : block->captures()) {
> - const VarDecl *variable = CI.getVariable();
> - if (variable == ND && CI.isNested()) {
> - assert (CI.isByRef() &&
> - "SynthBlockInitExpr - captured block variable is not byref");
> - isNestedCapturedVar = true;
> - break;
> - }
> - }
> - // captured nested byref variable has its address passed. Do not take
> - // its address again.
> - if (!isNestedCapturedVar)
> - Exp = new (Context) UnaryOperator(Exp, UO_AddrOf,
> - Context->getPointerType(Exp->getType()),
> - VK_RValue, OK_Ordinary, SourceLocation());
> - Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp);
> - InitExprs.push_back(Exp);
> - }
> - }
> - if (ImportedBlockDecls.size()) {
> - // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR
> - int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR);
> - unsigned IntSize =
> - static_cast<unsigned>(Context->getTypeSize(Context->IntTy));
> - Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag),
> - Context->IntTy, SourceLocation());
> - InitExprs.push_back(FlagExp);
> - }
> - NewRep = new (Context) CallExpr(*Context, DRE, InitExprs,
> - FType, VK_LValue, SourceLocation());
> - NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf,
> - Context->getPointerType(NewRep->getType()),
> - VK_RValue, OK_Ordinary, SourceLocation());
> - NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast,
> - NewRep);
> - BlockDeclRefs.clear();
> - BlockByRefDecls.clear();
> - BlockByRefDeclsPtrSet.clear();
> - BlockByCopyDecls.clear();
> - BlockByCopyDeclsPtrSet.clear();
> - ImportedBlockDecls.clear();
> - return NewRep;
> -}
> -
> -bool RewriteObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) {
> - if (const ObjCForCollectionStmt * CS =
> - dyn_cast<ObjCForCollectionStmt>(Stmts.back()))
> - return CS->getElement() == DS;
> - return false;
> -}
> -
> -//===----------------------------------------------------------------------===//
> -// Function Body / Expression rewriting
> -//===----------------------------------------------------------------------===//
> -
> -Stmt *RewriteObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) {
> - if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) ||
> - isa<DoStmt>(S) || isa<ForStmt>(S))
> - Stmts.push_back(S);
> - else if (isa<ObjCForCollectionStmt>(S)) {
> - Stmts.push_back(S);
> - ObjCBcLabelNo.push_back(++BcLabelCount);
> - }
> -
> - // Pseudo-object operations and ivar references need special
> - // treatment because we're going to recursively rewrite them.
> - if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) {
> - if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) {
> - return RewritePropertyOrImplicitSetter(PseudoOp);
> - } else {
> - return RewritePropertyOrImplicitGetter(PseudoOp);
> - }
> - } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) {
> - return RewriteObjCIvarRefExpr(IvarRefExpr);
> - }
> -
> - SourceRange OrigStmtRange = S->getSourceRange();
> -
> - // Perform a bottom up rewrite of all children.
> - for (Stmt::child_range CI = S->children(); CI; ++CI)
> - if (*CI) {
> - Stmt *childStmt = (*CI);
> - Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt);
> - if (newStmt) {
> - *CI = newStmt;
> - }
> - }
> -
> - if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) {
> - SmallVector<DeclRefExpr *, 8> InnerBlockDeclRefs;
> - llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts;
> - InnerContexts.insert(BE->getBlockDecl());
> - ImportedLocalExternalDecls.clear();
> - GetInnerBlockDeclRefExprs(BE->getBody(),
> - InnerBlockDeclRefs, InnerContexts);
> - // Rewrite the block body in place.
> - Stmt *SaveCurrentBody = CurrentBody;
> - CurrentBody = BE->getBody();
> - PropParentMap = nullptr;
> - // block literal on rhs of a property-dot-sytax assignment
> - // must be replaced by its synthesize ast so getRewrittenText
> - // works as expected. In this case, what actually ends up on RHS
> - // is the blockTranscribed which is the helper function for the
> - // block literal; as in: self.c = ^() {[ace ARR];};
> - bool saveDisableReplaceStmt = DisableReplaceStmt;
> - DisableReplaceStmt = false;
> - RewriteFunctionBodyOrGlobalInitializer(BE->getBody());
> - DisableReplaceStmt = saveDisableReplaceStmt;
> - CurrentBody = SaveCurrentBody;
> - PropParentMap = nullptr;
> - ImportedLocalExternalDecls.clear();
> - // Now we snarf the rewritten text and stash it away for later use.
> - std::string Str = Rewrite.getRewrittenText(BE->getSourceRange());
> - RewrittenBlockExprs[BE] = Str;
> -
> - Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs);
> -
> - //blockTranscribed->dump();
> - ReplaceStmt(S, blockTranscribed);
> - return blockTranscribed;
> - }
> - // Handle specific things.
> - if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S))
> - return RewriteAtEncode(AtEncode);
> -
> - if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S))
> - return RewriteAtSelector(AtSelector);
> -
> - if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S))
> - return RewriteObjCStringLiteral(AtString);
> -
> - if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) {
> -#if 0
> - // Before we rewrite it, put the original message expression in a comment.
> - SourceLocation startLoc = MessExpr->getLocStart();
> - SourceLocation endLoc = MessExpr->getLocEnd();
> -
> - const char *startBuf = SM->getCharacterData(startLoc);
> - const char *endBuf = SM->getCharacterData(endLoc);
> -
> - std::string messString;
> - messString += "// ";
> - messString.append(startBuf, endBuf-startBuf+1);
> - messString += "\n";
> -
> - // FIXME: Missing definition of
> - // InsertText(clang::SourceLocation, char const*, unsigned int).
> - // InsertText(startLoc, messString.c_str(), messString.size());
> - // Tried this, but it didn't work either...
> - // ReplaceText(startLoc, 0, messString.c_str(), messString.size());
> -#endif
> - return RewriteMessageExpr(MessExpr);
> - }
> -
> - if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S))
> - return RewriteObjCTryStmt(StmtTry);
> -
> - if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S))
> - return RewriteObjCSynchronizedStmt(StmtTry);
> -
> - if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S))
> - return RewriteObjCThrowStmt(StmtThrow);
> -
> - if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S))
> - return RewriteObjCProtocolExpr(ProtocolExp);
> -
> - if (ObjCForCollectionStmt *StmtForCollection =
> - dyn_cast<ObjCForCollectionStmt>(S))
> - return RewriteObjCForCollectionStmt(StmtForCollection,
> - OrigStmtRange.getEnd());
> - if (BreakStmt *StmtBreakStmt =
> - dyn_cast<BreakStmt>(S))
> - return RewriteBreakStmt(StmtBreakStmt);
> - if (ContinueStmt *StmtContinueStmt =
> - dyn_cast<ContinueStmt>(S))
> - return RewriteContinueStmt(StmtContinueStmt);
> -
> - // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls
> - // and cast exprs.
> - if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) {
> - // FIXME: What we're doing here is modifying the type-specifier that
> - // precedes the first Decl. In the future the DeclGroup should have
> - // a separate type-specifier that we can rewrite.
> - // NOTE: We need to avoid rewriting the DeclStmt if it is within
> - // the context of an ObjCForCollectionStmt. For example:
> - // NSArray *someArray;
> - // for (id <FooProtocol> index in someArray) ;
> - // This is because RewriteObjCForCollectionStmt() does textual rewriting
> - // and it depends on the original text locations/positions.
> - if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS))
> - RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin());
> -
> - // Blocks rewrite rules.
> - for (auto *SD : DS->decls()) {
> - if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) {
> - if (isTopLevelBlockPointerType(ND->getType()))
> - RewriteBlockPointerDecl(ND);
> - else if (ND->getType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(ND->getType(), ND);
> - if (VarDecl *VD = dyn_cast<VarDecl>(SD)) {
> - if (VD->hasAttr<BlocksAttr>()) {
> - static unsigned uniqueByrefDeclCount = 0;
> - assert(!BlockByRefDeclNo.count(ND) &&
> - "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl");
> - BlockByRefDeclNo[ND] = uniqueByrefDeclCount++;
> - RewriteByRefVar(VD);
> - }
> - else
> - RewriteTypeOfDecl(VD);
> - }
> - }
> - if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) {
> - if (isTopLevelBlockPointerType(TD->getUnderlyingType()))
> - RewriteBlockPointerDecl(TD);
> - else if (TD->getUnderlyingType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(TD->getUnderlyingType(), TD);
> - }
> - }
> - }
> -
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S))
> - RewriteObjCQualifiedInterfaceTypes(CE);
> -
> - if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) ||
> - isa<DoStmt>(S) || isa<ForStmt>(S)) {
> - assert(!Stmts.empty() && "Statement stack is empty");
> - assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) ||
> - isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back()))
> - && "Statement stack mismatch");
> - Stmts.pop_back();
> - }
> - // Handle blocks rewriting.
> - if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) {
> - ValueDecl *VD = DRE->getDecl();
> - if (VD->hasAttr<BlocksAttr>())
> - return RewriteBlockDeclRefExpr(DRE);
> - if (HasLocalVariableExternalStorage(VD))
> - return RewriteLocalVariableExternalStorage(DRE);
> - }
> -
> - if (CallExpr *CE = dyn_cast<CallExpr>(S)) {
> - if (CE->getCallee()->getType()->isBlockPointerType()) {
> - Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee());
> - ReplaceStmt(S, BlockCall);
> - return BlockCall;
> - }
> - }
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) {
> - RewriteCastExpr(CE);
> - }
> -#if 0
> - if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) {
> - CastExpr *Replacement = new (Context) CastExpr(ICE->getType(),
> - ICE->getSubExpr(),
> - SourceLocation());
> - // Get the new text.
> - std::string SStr;
> - llvm::raw_string_ostream Buf(SStr);
> - Replacement->printPretty(Buf);
> - const std::string &Str = Buf.str();
> -
> - printf("CAST = %s\n", &Str[0]);
> - InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size());
> - delete S;
> - return Replacement;
> - }
> -#endif
> - // Return this stmt unmodified.
> - return S;
> -}
> -
> -void RewriteObjC::RewriteRecordBody(RecordDecl *RD) {
> - for (auto *FD : RD->fields()) {
> - if (isTopLevelBlockPointerType(FD->getType()))
> - RewriteBlockPointerDecl(FD);
> - if (FD->getType()->isObjCQualifiedIdType() ||
> - FD->getType()->isObjCQualifiedInterfaceType())
> - RewriteObjCQualifiedInterfaceTypes(FD);
> - }
> -}
> -
> -/// HandleDeclInMainFile - This is called for each top-level decl defined in the
> -/// main file of the input.
> -void RewriteObjC::HandleDeclInMainFile(Decl *D) {
> - switch (D->getKind()) {
> - case Decl::Function: {
> - FunctionDecl *FD = cast<FunctionDecl>(D);
> - if (FD->isOverloadedOperator())
> - return;
> -
> - // Since function prototypes don't have ParmDecl's, we check the function
> - // prototype. This enables us to rewrite function declarations and
> - // definitions using the same code.
> - RewriteBlocksInFunctionProtoType(FD->getType(), FD);
> -
> - if (!FD->isThisDeclarationADefinition())
> - break;
> -
> - // FIXME: If this should support Obj-C++, support CXXTryStmt
> - if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) {
> - CurFunctionDef = FD;
> - CurFunctionDeclToDeclareForBlock = FD;
> - CurrentBody = Body;
> - Body =
> - cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body));
> - FD->setBody(Body);
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - // This synthesizes and inserts the block "impl" struct, invoke function,
> - // and any copy/dispose helper functions.
> - InsertBlockLiteralsWithinFunction(FD);
> - CurFunctionDef = nullptr;
> - CurFunctionDeclToDeclareForBlock = nullptr;
> - }
> - break;
> - }
> - case Decl::ObjCMethod: {
> - ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D);
> - if (CompoundStmt *Body = MD->getCompoundBody()) {
> - CurMethodDef = MD;
> - CurrentBody = Body;
> - Body =
> - cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body));
> - MD->setBody(Body);
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - InsertBlockLiteralsWithinMethod(MD);
> - CurMethodDef = nullptr;
> - }
> - break;
> - }
> - case Decl::ObjCImplementation: {
> - ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D);
> - ClassImplementation.push_back(CI);
> - break;
> - }
> - case Decl::ObjCCategoryImpl: {
> - ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D);
> - CategoryImplementation.push_back(CI);
> - break;
> - }
> - case Decl::Var: {
> - VarDecl *VD = cast<VarDecl>(D);
> - RewriteObjCQualifiedInterfaceTypes(VD);
> - if (isTopLevelBlockPointerType(VD->getType()))
> - RewriteBlockPointerDecl(VD);
> - else if (VD->getType()->isFunctionPointerType()) {
> - CheckFunctionPointerDecl(VD->getType(), VD);
> - if (VD->getInit()) {
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) {
> - RewriteCastExpr(CE);
> - }
> - }
> - } else if (VD->getType()->isRecordType()) {
> - RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl();
> - if (RD->isCompleteDefinition())
> - RewriteRecordBody(RD);
> - }
> - if (VD->getInit()) {
> - GlobalVarDecl = VD;
> - CurrentBody = VD->getInit();
> - RewriteFunctionBodyOrGlobalInitializer(VD->getInit());
> - CurrentBody = nullptr;
> - if (PropParentMap) {
> - delete PropParentMap;
> - PropParentMap = nullptr;
> - }
> - SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName());
> - GlobalVarDecl = nullptr;
> -
> - // This is needed for blocks.
> - if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) {
> - RewriteCastExpr(CE);
> - }
> - }
> - break;
> - }
> - case Decl::TypeAlias:
> - case Decl::Typedef: {
> - if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) {
> - if (isTopLevelBlockPointerType(TD->getUnderlyingType()))
> - RewriteBlockPointerDecl(TD);
> - else if (TD->getUnderlyingType()->isFunctionPointerType())
> - CheckFunctionPointerDecl(TD->getUnderlyingType(), TD);
> - }
> - break;
> - }
> - case Decl::CXXRecord:
> - case Decl::Record: {
> - RecordDecl *RD = cast<RecordDecl>(D);
> - if (RD->isCompleteDefinition())
> - RewriteRecordBody(RD);
> - break;
> - }
> - default:
> - break;
> - }
> - // Nothing yet.
> -}
> -
> -void RewriteObjC::HandleTranslationUnit(ASTContext &C) {
> - if (Diags.hasErrorOccurred())
> - return;
> -
> - RewriteInclude();
> -
> - // Here's a great place to add any extra declarations that may be needed.
> - // Write out meta data for each @protocol(<expr>).
> - for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(),
> - E = ProtocolExprDecls.end(); I != E; ++I)
> - RewriteObjCProtocolMetaData(*I, "", "", Preamble);
> -
> - InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false);
> - if (ClassImplementation.size() || CategoryImplementation.size())
> - RewriteImplementations();
> -
> - // Get the buffer corresponding to MainFileID. If we haven't changed it, then
> - // we are done.
> - if (const RewriteBuffer *RewriteBuf =
> - Rewrite.getRewriteBufferFor(MainFileID)) {
> - //printf("Changed:\n");
> - *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end());
> - } else {
> - llvm::errs() << "No changes\n";
> - }
> -
> - if (ClassImplementation.size() || CategoryImplementation.size() ||
> - ProtocolExprDecls.size()) {
> - // Rewrite Objective-c meta data*
> - std::string ResultStr;
> - RewriteMetaDataIntoBuffer(ResultStr);
> - // Emit metadata.
> - *OutFile << ResultStr;
> - }
> - OutFile->flush();
> -}
> -
> -void RewriteObjCFragileABI::Initialize(ASTContext &context) {
> - InitializeCommon(context);
> -
> - // declaring objc_selector outside the parameter list removes a silly
> - // scope related warning...
> - if (IsHeader)
> - Preamble = "#pragma once\n";
> - Preamble += "struct objc_selector; struct objc_class;\n";
> - Preamble += "struct __rw_objc_super { struct objc_object *object; ";
> - Preamble += "struct objc_object *superClass; ";
> - if (LangOpts.MicrosoftExt) {
> - // Add a constructor for creating temporary objects.
> - Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) "
> - ": ";
> - Preamble += "object(o), superClass(s) {} ";
> - }
> - Preamble += "};\n";
> - Preamble += "#ifndef _REWRITER_typedef_Protocol\n";
> - Preamble += "typedef struct objc_object Protocol;\n";
> - Preamble += "#define _REWRITER_typedef_Protocol\n";
> - Preamble += "#endif\n";
> - if (LangOpts.MicrosoftExt) {
> - Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n";
> - Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n";
> - } else
> - Preamble += "#define __OBJC_RW_DLLIMPORT extern\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend";
> - Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper";
> - Preamble += "(struct objc_super *, struct objc_selector *, ...);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSend_stret";
> - Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSendSuper_stret";
> - Preamble += "(struct objc_super *, struct objc_selector *, ...);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret";
> - Preamble += "(struct objc_object *, struct objc_selector *, ...);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass";
> - Preamble += "(const char *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass";
> - Preamble += "(struct objc_class *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass";
> - Preamble += "(const char *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match";
> - Preamble += "(struct objc_class *, struct objc_object *);\n";
> - // @synchronized hooks.
> - Preamble += "__OBJC_RW_DLLIMPORT int objc_sync_enter(struct objc_object *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT int objc_sync_exit(struct objc_object *);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n";
> - Preamble += "#ifndef __FASTENUMERATIONSTATE\n";
> - Preamble += "struct __objcFastEnumerationState {\n\t";
> - Preamble += "unsigned long state;\n\t";
> - Preamble += "void **itemsPtr;\n\t";
> - Preamble += "unsigned long *mutationsPtr;\n\t";
> - Preamble += "unsigned long extra[5];\n};\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n";
> - Preamble += "#define __FASTENUMERATIONSTATE\n";
> - Preamble += "#endif\n";
> - Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n";
> - Preamble += "struct __NSConstantStringImpl {\n";
> - Preamble += " int *isa;\n";
> - Preamble += " int flags;\n";
> - Preamble += " char *str;\n";
> - Preamble += " long length;\n";
> - Preamble += "};\n";
> - Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n";
> - Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n";
> - Preamble += "#else\n";
> - Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n";
> - Preamble += "#endif\n";
> - Preamble += "#define __NSCONSTANTSTRINGIMPL\n";
> - Preamble += "#endif\n";
> - // Blocks preamble.
> - Preamble += "#ifndef BLOCK_IMPL\n";
> - Preamble += "#define BLOCK_IMPL\n";
> - Preamble += "struct __block_impl {\n";
> - Preamble += " void *isa;\n";
> - Preamble += " int Flags;\n";
> - Preamble += " int Reserved;\n";
> - Preamble += " void *FuncPtr;\n";
> - Preamble += "};\n";
> - Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n";
> - Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n";
> - Preamble += "extern \"C\" __declspec(dllexport) "
> - "void _Block_object_assign(void *, const void *, const int);\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n";
> - Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n";
> - Preamble += "#else\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n";
> - Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n";
> - Preamble += "#endif\n";
> - Preamble += "#endif\n";
> - if (LangOpts.MicrosoftExt) {
> - Preamble += "#undef __OBJC_RW_DLLIMPORT\n";
> - Preamble += "#undef __OBJC_RW_STATICIMPORT\n";
> - Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests.
> - Preamble += "#define __attribute__(X)\n";
> - Preamble += "#endif\n";
> - Preamble += "#define __weak\n";
> - }
> - else {
> - Preamble += "#define __block\n";
> - Preamble += "#define __weak\n";
> - }
> - // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long
> - // as this avoids warning in any 64bit/32bit compilation model.
> - Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n";
> -}
> -
> -/// RewriteIvarOffsetComputation - This rutine synthesizes computation of
> -/// ivar offset.
> -void RewriteObjCFragileABI::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar,
> - std::string &Result) {
> - if (ivar->isBitField()) {
> - // FIXME: The hack below doesn't work for bitfields. For now, we simply
> - // place all bitfields at offset 0.
> - Result += "0";
> - } else {
> - Result += "__OFFSETOFIVAR__(struct ";
> - Result += ivar->getContainingInterface()->getNameAsString();
> - if (LangOpts.MicrosoftExt)
> - Result += "_IMPL";
> - Result += ", ";
> - Result += ivar->getNameAsString();
> - Result += ")";
> - }
> -}
> -
> -/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data.
> -void RewriteObjCFragileABI::RewriteObjCProtocolMetaData(
> - ObjCProtocolDecl *PDecl, StringRef prefix,
> - StringRef ClassName, std::string &Result) {
> - static bool objc_protocol_methods = false;
> -
> - // Output struct protocol_methods holder of method selector and type.
> - if (!objc_protocol_methods && PDecl->hasDefinition()) {
> - /* struct protocol_methods {
> - SEL _cmd;
> - char *method_types;
> - }
> - */
> - Result += "\nstruct _protocol_methods {\n";
> - Result += "\tstruct objc_selector *_cmd;\n";
> - Result += "\tchar *method_types;\n";
> - Result += "};\n";
> -
> - objc_protocol_methods = true;
> - }
> - // Do not synthesize the protocol more than once.
> - if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl()))
> - return;
> -
> - if (ObjCProtocolDecl *Def = PDecl->getDefinition())
> - PDecl = Def;
> -
> - if (PDecl->instmeth_begin() != PDecl->instmeth_end()) {
> - unsigned NumMethods = std::distance(PDecl->instmeth_begin(),
> - PDecl->instmeth_end());
> - /* struct _objc_protocol_method_list {
> - int protocol_method_count;
> - struct protocol_methods protocols[];
> - }
> - */
> - Result += "\nstatic struct {\n";
> - Result += "\tint protocol_method_count;\n";
> - Result += "\tstruct _protocol_methods protocol_methods[";
> - Result += utostr(NumMethods);
> - Result += "];\n} _OBJC_PROTOCOL_INSTANCE_METHODS_";
> - Result += PDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __cat_inst_meth\")))= "
> - "{\n\t" + utostr(NumMethods) + "\n";
> -
> - // Output instance methods declared in this protocol.
> - for (ObjCProtocolDecl::instmeth_iterator
> - I = PDecl->instmeth_begin(), E = PDecl->instmeth_end();
> - I != E; ++I) {
> - if (I == PDecl->instmeth_begin())
> - Result += "\t ,{{(struct objc_selector *)\"";
> - else
> - Result += "\t ,{(struct objc_selector *)\"";
> - Result += (*I)->getSelector().getAsString();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl((*I), MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\"}\n";
> - }
> - Result += "\t }\n};\n";
> - }
> -
> - // Output class methods declared in this protocol.
> - unsigned NumMethods = std::distance(PDecl->classmeth_begin(),
> - PDecl->classmeth_end());
> - if (NumMethods > 0) {
> - /* struct _objc_protocol_method_list {
> - int protocol_method_count;
> - struct protocol_methods protocols[];
> - }
> - */
> - Result += "\nstatic struct {\n";
> - Result += "\tint protocol_method_count;\n";
> - Result += "\tstruct _protocol_methods protocol_methods[";
> - Result += utostr(NumMethods);
> - Result += "];\n} _OBJC_PROTOCOL_CLASS_METHODS_";
> - Result += PDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= "
> - "{\n\t";
> - Result += utostr(NumMethods);
> - Result += "\n";
> -
> - // Output instance methods declared in this protocol.
> - for (ObjCProtocolDecl::classmeth_iterator
> - I = PDecl->classmeth_begin(), E = PDecl->classmeth_end();
> - I != E; ++I) {
> - if (I == PDecl->classmeth_begin())
> - Result += "\t ,{{(struct objc_selector *)\"";
> - else
> - Result += "\t ,{(struct objc_selector *)\"";
> - Result += (*I)->getSelector().getAsString();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl((*I), MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\"}\n";
> - }
> - Result += "\t }\n};\n";
> - }
> -
> - // Output:
> - /* struct _objc_protocol {
> - // Objective-C 1.0 extensions
> - struct _objc_protocol_extension *isa;
> - char *protocol_name;
> - struct _objc_protocol **protocol_list;
> - struct _objc_protocol_method_list *instance_methods;
> - struct _objc_protocol_method_list *class_methods;
> - };
> - */
> - static bool objc_protocol = false;
> - if (!objc_protocol) {
> - Result += "\nstruct _objc_protocol {\n";
> - Result += "\tstruct _objc_protocol_extension *isa;\n";
> - Result += "\tchar *protocol_name;\n";
> - Result += "\tstruct _objc_protocol **protocol_list;\n";
> - Result += "\tstruct _objc_protocol_method_list *instance_methods;\n";
> - Result += "\tstruct _objc_protocol_method_list *class_methods;\n";
> - Result += "};\n";
> -
> - objc_protocol = true;
> - }
> -
> - Result += "\nstatic struct _objc_protocol _OBJC_PROTOCOL_";
> - Result += PDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __protocol\")))= "
> - "{\n\t0, \"";
> - Result += PDecl->getNameAsString();
> - Result += "\", 0, ";
> - if (PDecl->instmeth_begin() != PDecl->instmeth_end()) {
> - Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_INSTANCE_METHODS_";
> - Result += PDecl->getNameAsString();
> - Result += ", ";
> - }
> - else
> - Result += "0, ";
> - if (PDecl->classmeth_begin() != PDecl->classmeth_end()) {
> - Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_CLASS_METHODS_";
> - Result += PDecl->getNameAsString();
> - Result += "\n";
> - }
> - else
> - Result += "0\n";
> - Result += "};\n";
> -
> - // Mark this protocol as having been generated.
> - if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()))
> - llvm_unreachable("protocol already synthesized");
> -
> -}
> -
> -void RewriteObjCFragileABI::RewriteObjCProtocolListMetaData(
> - const ObjCList<ObjCProtocolDecl> &Protocols,
> - StringRef prefix, StringRef ClassName,
> - std::string &Result) {
> - if (Protocols.empty()) return;
> -
> - for (unsigned i = 0; i != Protocols.size(); i++)
> - RewriteObjCProtocolMetaData(Protocols[i], prefix, ClassName, Result);
> -
> - // Output the top lovel protocol meta-data for the class.
> - /* struct _objc_protocol_list {
> - struct _objc_protocol_list *next;
> - int protocol_count;
> - struct _objc_protocol *class_protocols[];
> - }
> - */
> - Result += "\nstatic struct {\n";
> - Result += "\tstruct _objc_protocol_list *next;\n";
> - Result += "\tint protocol_count;\n";
> - Result += "\tstruct _objc_protocol *class_protocols[";
> - Result += utostr(Protocols.size());
> - Result += "];\n} _OBJC_";
> - Result += prefix;
> - Result += "_PROTOCOLS_";
> - Result += ClassName;
> - Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= "
> - "{\n\t0, ";
> - Result += utostr(Protocols.size());
> - Result += "\n";
> -
> - Result += "\t,{&_OBJC_PROTOCOL_";
> - Result += Protocols[0]->getNameAsString();
> - Result += " \n";
> -
> - for (unsigned i = 1; i != Protocols.size(); i++) {
> - Result += "\t ,&_OBJC_PROTOCOL_";
> - Result += Protocols[i]->getNameAsString();
> - Result += "\n";
> - }
> - Result += "\t }\n};\n";
> -}
> -
> -void RewriteObjCFragileABI::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl,
> - std::string &Result) {
> - ObjCInterfaceDecl *CDecl = IDecl->getClassInterface();
> -
> - // Explicitly declared @interface's are already synthesized.
> - if (CDecl->isImplicitInterfaceDecl()) {
> - // FIXME: Implementation of a class with no @interface (legacy) does not
> - // produce correct synthesis as yet.
> - RewriteObjCInternalStruct(CDecl, Result);
> - }
> -
> - // Build _objc_ivar_list metadata for classes ivars if needed
> - unsigned NumIvars = !IDecl->ivar_empty()
> - ? IDecl->ivar_size()
> - : (CDecl ? CDecl->ivar_size() : 0);
> - if (NumIvars > 0) {
> - static bool objc_ivar = false;
> - if (!objc_ivar) {
> - /* struct _objc_ivar {
> - char *ivar_name;
> - char *ivar_type;
> - int ivar_offset;
> - };
> - */
> - Result += "\nstruct _objc_ivar {\n";
> - Result += "\tchar *ivar_name;\n";
> - Result += "\tchar *ivar_type;\n";
> - Result += "\tint ivar_offset;\n";
> - Result += "};\n";
> -
> - objc_ivar = true;
> - }
> -
> - /* struct {
> - int ivar_count;
> - struct _objc_ivar ivar_list[nIvars];
> - };
> - */
> - Result += "\nstatic struct {\n";
> - Result += "\tint ivar_count;\n";
> - Result += "\tstruct _objc_ivar ivar_list[";
> - Result += utostr(NumIvars);
> - Result += "];\n} _OBJC_INSTANCE_VARIABLES_";
> - Result += IDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __instance_vars\")))= "
> - "{\n\t";
> - Result += utostr(NumIvars);
> - Result += "\n";
> -
> - ObjCInterfaceDecl::ivar_iterator IVI, IVE;
> - SmallVector<ObjCIvarDecl *, 8> IVars;
> - if (!IDecl->ivar_empty()) {
> - for (auto *IV : IDecl->ivars())
> - IVars.push_back(IV);
> - IVI = IDecl->ivar_begin();
> - IVE = IDecl->ivar_end();
> - } else {
> - IVI = CDecl->ivar_begin();
> - IVE = CDecl->ivar_end();
> - }
> - Result += "\t,{{\"";
> - Result += IVI->getNameAsString();
> - Result += "\", \"";
> - std::string TmpString, StrEncoding;
> - Context->getObjCEncodingForType(IVI->getType(), TmpString, *IVI);
> - QuoteDoublequotes(TmpString, StrEncoding);
> - Result += StrEncoding;
> - Result += "\", ";
> - RewriteIvarOffsetComputation(*IVI, Result);
> - Result += "}\n";
> - for (++IVI; IVI != IVE; ++IVI) {
> - Result += "\t ,{\"";
> - Result += IVI->getNameAsString();
> - Result += "\", \"";
> - std::string TmpString, StrEncoding;
> - Context->getObjCEncodingForType(IVI->getType(), TmpString, *IVI);
> - QuoteDoublequotes(TmpString, StrEncoding);
> - Result += StrEncoding;
> - Result += "\", ";
> - RewriteIvarOffsetComputation(*IVI, Result);
> - Result += "}\n";
> - }
> -
> - Result += "\t }\n};\n";
> - }
> -
> - // Build _objc_method_list for class's instance methods if needed
> - SmallVector<ObjCMethodDecl *, 32> InstanceMethods(IDecl->instance_methods());
> -
> - // If any of our property implementations have associated getters or
> - // setters, produce metadata for them as well.
> - for (const auto *Prop : IDecl->property_impls()) {
> - if (Prop->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - continue;
> - if (!Prop->getPropertyIvarDecl())
> - continue;
> - ObjCPropertyDecl *PD = Prop->getPropertyDecl();
> - if (!PD)
> - continue;
> - if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl())
> - if (!Getter->isDefined())
> - InstanceMethods.push_back(Getter);
> - if (PD->isReadOnly())
> - continue;
> - if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl())
> - if (!Setter->isDefined())
> - InstanceMethods.push_back(Setter);
> - }
> - RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(),
> - true, "", IDecl->getName(), Result);
> -
> - // Build _objc_method_list for class's class methods if needed
> - RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(),
> - false, "", IDecl->getName(), Result);
> -
> - // Protocols referenced in class declaration?
> - RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(),
> - "CLASS", CDecl->getName(), Result);
> -
> - // Declaration of class/meta-class metadata
> - /* struct _objc_class {
> - struct _objc_class *isa; // or const char *root_class_name when metadata
> - const char *super_class_name;
> - char *name;
> - long version;
> - long info;
> - long instance_size;
> - struct _objc_ivar_list *ivars;
> - struct _objc_method_list *methods;
> - struct objc_cache *cache;
> - struct objc_protocol_list *protocols;
> - const char *ivar_layout;
> - struct _objc_class_ext *ext;
> - };
> - */
> - static bool objc_class = false;
> - if (!objc_class) {
> - Result += "\nstruct _objc_class {\n";
> - Result += "\tstruct _objc_class *isa;\n";
> - Result += "\tconst char *super_class_name;\n";
> - Result += "\tchar *name;\n";
> - Result += "\tlong version;\n";
> - Result += "\tlong info;\n";
> - Result += "\tlong instance_size;\n";
> - Result += "\tstruct _objc_ivar_list *ivars;\n";
> - Result += "\tstruct _objc_method_list *methods;\n";
> - Result += "\tstruct objc_cache *cache;\n";
> - Result += "\tstruct _objc_protocol_list *protocols;\n";
> - Result += "\tconst char *ivar_layout;\n";
> - Result += "\tstruct _objc_class_ext *ext;\n";
> - Result += "};\n";
> - objc_class = true;
> - }
> -
> - // Meta-class metadata generation.
> - ObjCInterfaceDecl *RootClass = nullptr;
> - ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass();
> - while (SuperClass) {
> - RootClass = SuperClass;
> - SuperClass = SuperClass->getSuperClass();
> - }
> - SuperClass = CDecl->getSuperClass();
> -
> - Result += "\nstatic struct _objc_class _OBJC_METACLASS_";
> - Result += CDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __meta_class\")))= "
> - "{\n\t(struct _objc_class *)\"";
> - Result += (RootClass ? RootClass->getNameAsString() : CDecl->getNameAsString());
> - Result += "\"";
> -
> - if (SuperClass) {
> - Result += ", \"";
> - Result += SuperClass->getNameAsString();
> - Result += "\", \"";
> - Result += CDecl->getNameAsString();
> - Result += "\"";
> - }
> - else {
> - Result += ", 0, \"";
> - Result += CDecl->getNameAsString();
> - Result += "\"";
> - }
> - // Set 'ivars' field for root class to 0. ObjC1 runtime does not use it.
> - // 'info' field is initialized to CLS_META(2) for metaclass
> - Result += ", 0,2, sizeof(struct _objc_class), 0";
> - if (IDecl->classmeth_begin() != IDecl->classmeth_end()) {
> - Result += "\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_";
> - Result += IDecl->getNameAsString();
> - Result += "\n";
> - }
> - else
> - Result += ", 0\n";
> - if (CDecl->protocol_begin() != CDecl->protocol_end()) {
> - Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_";
> - Result += CDecl->getNameAsString();
> - Result += ",0,0\n";
> - }
> - else
> - Result += "\t,0,0,0,0\n";
> - Result += "};\n";
> -
> - // class metadata generation.
> - Result += "\nstatic struct _objc_class _OBJC_CLASS_";
> - Result += CDecl->getNameAsString();
> - Result += " __attribute__ ((used, section (\"__OBJC, __class\")))= "
> - "{\n\t&_OBJC_METACLASS_";
> - Result += CDecl->getNameAsString();
> - if (SuperClass) {
> - Result += ", \"";
> - Result += SuperClass->getNameAsString();
> - Result += "\", \"";
> - Result += CDecl->getNameAsString();
> - Result += "\"";
> - }
> - else {
> - Result += ", 0, \"";
> - Result += CDecl->getNameAsString();
> - Result += "\"";
> - }
> - // 'info' field is initialized to CLS_CLASS(1) for class
> - Result += ", 0,1";
> - if (!ObjCSynthesizedStructs.count(CDecl))
> - Result += ",0";
> - else {
> - // class has size. Must synthesize its size.
> - Result += ",sizeof(struct ";
> - Result += CDecl->getNameAsString();
> - if (LangOpts.MicrosoftExt)
> - Result += "_IMPL";
> - Result += ")";
> - }
> - if (NumIvars > 0) {
> - Result += ", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_";
> - Result += CDecl->getNameAsString();
> - Result += "\n\t";
> - }
> - else
> - Result += ",0";
> - if (IDecl->instmeth_begin() != IDecl->instmeth_end()) {
> - Result += ", (struct _objc_method_list *)&_OBJC_INSTANCE_METHODS_";
> - Result += CDecl->getNameAsString();
> - Result += ", 0\n\t";
> - }
> - else
> - Result += ",0,0";
> - if (CDecl->protocol_begin() != CDecl->protocol_end()) {
> - Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_";
> - Result += CDecl->getNameAsString();
> - Result += ", 0,0\n";
> - }
> - else
> - Result += ",0,0,0\n";
> - Result += "};\n";
> -}
> -
> -void RewriteObjCFragileABI::RewriteMetaDataIntoBuffer(std::string &Result) {
> - int ClsDefCount = ClassImplementation.size();
> - int CatDefCount = CategoryImplementation.size();
> -
> - // For each implemented class, write out all its meta data.
> - for (int i = 0; i < ClsDefCount; i++)
> - RewriteObjCClassMetaData(ClassImplementation[i], Result);
> -
> - // For each implemented category, write out all its meta data.
> - for (int i = 0; i < CatDefCount; i++)
> - RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result);
> -
> - // Write objc_symtab metadata
> - /*
> - struct _objc_symtab
> - {
> - long sel_ref_cnt;
> - SEL *refs;
> - short cls_def_cnt;
> - short cat_def_cnt;
> - void *defs[cls_def_cnt + cat_def_cnt];
> - };
> - */
> -
> - Result += "\nstruct _objc_symtab {\n";
> - Result += "\tlong sel_ref_cnt;\n";
> - Result += "\tSEL *refs;\n";
> - Result += "\tshort cls_def_cnt;\n";
> - Result += "\tshort cat_def_cnt;\n";
> - Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n";
> - Result += "};\n\n";
> -
> - Result += "static struct _objc_symtab "
> - "_OBJC_SYMBOLS __attribute__((used, section (\"__OBJC, __symbols\")))= {\n";
> - Result += "\t0, 0, " + utostr(ClsDefCount)
> - + ", " + utostr(CatDefCount) + "\n";
> - for (int i = 0; i < ClsDefCount; i++) {
> - Result += "\t,&_OBJC_CLASS_";
> - Result += ClassImplementation[i]->getNameAsString();
> - Result += "\n";
> - }
> -
> - for (int i = 0; i < CatDefCount; i++) {
> - Result += "\t,&_OBJC_CATEGORY_";
> - Result += CategoryImplementation[i]->getClassInterface()->getNameAsString();
> - Result += "_";
> - Result += CategoryImplementation[i]->getNameAsString();
> - Result += "\n";
> - }
> -
> - Result += "};\n\n";
> -
> - // Write objc_module metadata
> -
> - /*
> - struct _objc_module {
> - long version;
> - long size;
> - const char *name;
> - struct _objc_symtab *symtab;
> - }
> - */
> -
> - Result += "\nstruct _objc_module {\n";
> - Result += "\tlong version;\n";
> - Result += "\tlong size;\n";
> - Result += "\tconst char *name;\n";
> - Result += "\tstruct _objc_symtab *symtab;\n";
> - Result += "};\n\n";
> - Result += "static struct _objc_module "
> - "_OBJC_MODULES __attribute__ ((used, section (\"__OBJC, __module_info\")))= {\n";
> - Result += "\t" + utostr(OBJC_ABI_VERSION) +
> - ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n";
> - Result += "};\n\n";
> -
> - if (LangOpts.MicrosoftExt) {
> - if (ProtocolExprDecls.size()) {
> - Result += "#pragma section(\".objc_protocol$B\",long,read,write)\n";
> - Result += "#pragma data_seg(push, \".objc_protocol$B\")\n";
> - for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(),
> - E = ProtocolExprDecls.end(); I != E; ++I) {
> - Result += "static struct _objc_protocol *_POINTER_OBJC_PROTOCOL_";
> - Result += (*I)->getNameAsString();
> - Result += " = &_OBJC_PROTOCOL_";
> - Result += (*I)->getNameAsString();
> - Result += ";\n";
> - }
> - Result += "#pragma data_seg(pop)\n\n";
> - }
> - Result += "#pragma section(\".objc_module_info$B\",long,read,write)\n";
> - Result += "#pragma data_seg(push, \".objc_module_info$B\")\n";
> - Result += "static struct _objc_module *_POINTER_OBJC_MODULES = ";
> - Result += "&_OBJC_MODULES;\n";
> - Result += "#pragma data_seg(pop)\n\n";
> - }
> -}
> -
> -/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category
> -/// implementation.
> -void RewriteObjCFragileABI::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl,
> - std::string &Result) {
> - ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface();
> - // Find category declaration for this implementation.
> - ObjCCategoryDecl *CDecl
> - = ClassDecl->FindCategoryDeclaration(IDecl->getIdentifier());
> -
> - std::string FullCategoryName = ClassDecl->getNameAsString();
> - FullCategoryName += '_';
> - FullCategoryName += IDecl->getNameAsString();
> -
> - // Build _objc_method_list for class's instance methods if needed
> - SmallVector<ObjCMethodDecl *, 32> InstanceMethods(IDecl->instance_methods());
> -
> - // If any of our property implementations have associated getters or
> - // setters, produce metadata for them as well.
> - for (const auto *Prop : IDecl->property_impls()) {
> - if (Prop->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
> - continue;
> - if (!Prop->getPropertyIvarDecl())
> - continue;
> - ObjCPropertyDecl *PD = Prop->getPropertyDecl();
> - if (!PD)
> - continue;
> - if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl())
> - InstanceMethods.push_back(Getter);
> - if (PD->isReadOnly())
> - continue;
> - if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl())
> - InstanceMethods.push_back(Setter);
> - }
> - RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(),
> - true, "CATEGORY_", FullCategoryName.c_str(),
> - Result);
> -
> - // Build _objc_method_list for class's class methods if needed
> - RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(),
> - false, "CATEGORY_", FullCategoryName.c_str(),
> - Result);
> -
> - // Protocols referenced in class declaration?
> - // Null CDecl is case of a category implementation with no category interface
> - if (CDecl)
> - RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY",
> - FullCategoryName, Result);
> - /* struct _objc_category {
> - char *category_name;
> - char *class_name;
> - struct _objc_method_list *instance_methods;
> - struct _objc_method_list *class_methods;
> - struct _objc_protocol_list *protocols;
> - // Objective-C 1.0 extensions
> - uint32_t size; // sizeof (struct _objc_category)
> - struct _objc_property_list *instance_properties; // category's own
> - // @property decl.
> - };
> - */
> -
> - static bool objc_category = false;
> - if (!objc_category) {
> - Result += "\nstruct _objc_category {\n";
> - Result += "\tchar *category_name;\n";
> - Result += "\tchar *class_name;\n";
> - Result += "\tstruct _objc_method_list *instance_methods;\n";
> - Result += "\tstruct _objc_method_list *class_methods;\n";
> - Result += "\tstruct _objc_protocol_list *protocols;\n";
> - Result += "\tunsigned int size;\n";
> - Result += "\tstruct _objc_property_list *instance_properties;\n";
> - Result += "};\n";
> - objc_category = true;
> - }
> - Result += "\nstatic struct _objc_category _OBJC_CATEGORY_";
> - Result += FullCategoryName;
> - Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\"";
> - Result += IDecl->getNameAsString();
> - Result += "\"\n\t, \"";
> - Result += ClassDecl->getNameAsString();
> - Result += "\"\n";
> -
> - if (IDecl->instmeth_begin() != IDecl->instmeth_end()) {
> - Result += "\t, (struct _objc_method_list *)"
> - "&_OBJC_CATEGORY_INSTANCE_METHODS_";
> - Result += FullCategoryName;
> - Result += "\n";
> - }
> - else
> - Result += "\t, 0\n";
> - if (IDecl->classmeth_begin() != IDecl->classmeth_end()) {
> - Result += "\t, (struct _objc_method_list *)"
> - "&_OBJC_CATEGORY_CLASS_METHODS_";
> - Result += FullCategoryName;
> - Result += "\n";
> - }
> - else
> - Result += "\t, 0\n";
> -
> - if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) {
> - Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_";
> - Result += FullCategoryName;
> - Result += "\n";
> - }
> - else
> - Result += "\t, 0\n";
> - Result += "\t, sizeof(struct _objc_category), 0\n};\n";
> -}
> -
> -// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or
> -/// class methods.
> -template<typename MethodIterator>
> -void RewriteObjCFragileABI::RewriteObjCMethodsMetaData(MethodIterator MethodBegin,
> - MethodIterator MethodEnd,
> - bool IsInstanceMethod,
> - StringRef prefix,
> - StringRef ClassName,
> - std::string &Result) {
> - if (MethodBegin == MethodEnd) return;
> -
> - if (!objc_impl_method) {
> - /* struct _objc_method {
> - SEL _cmd;
> - char *method_types;
> - void *_imp;
> - }
> - */
> - Result += "\nstruct _objc_method {\n";
> - Result += "\tSEL _cmd;\n";
> - Result += "\tchar *method_types;\n";
> - Result += "\tvoid *_imp;\n";
> - Result += "};\n";
> -
> - objc_impl_method = true;
> - }
> -
> - // Build _objc_method_list for class's methods if needed
> -
> - /* struct {
> - struct _objc_method_list *next_method;
> - int method_count;
> - struct _objc_method method_list[];
> - }
> - */
> - unsigned NumMethods = std::distance(MethodBegin, MethodEnd);
> - Result += "\nstatic struct {\n";
> - Result += "\tstruct _objc_method_list *next_method;\n";
> - Result += "\tint method_count;\n";
> - Result += "\tstruct _objc_method method_list[";
> - Result += utostr(NumMethods);
> - Result += "];\n} _OBJC_";
> - Result += prefix;
> - Result += IsInstanceMethod ? "INSTANCE" : "CLASS";
> - Result += "_METHODS_";
> - Result += ClassName;
> - Result += " __attribute__ ((used, section (\"__OBJC, __";
> - Result += IsInstanceMethod ? "inst" : "cls";
> - Result += "_meth\")))= ";
> - Result += "{\n\t0, " + utostr(NumMethods) + "\n";
> -
> - Result += "\t,{{(SEL)\"";
> - Result += (*MethodBegin)->getSelector().getAsString().c_str();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\", (void *)";
> - Result += MethodInternalNames[*MethodBegin];
> - Result += "}\n";
> - for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) {
> - Result += "\t ,{(SEL)\"";
> - Result += (*MethodBegin)->getSelector().getAsString().c_str();
> - std::string MethodTypeString;
> - Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString);
> - Result += "\", \"";
> - Result += MethodTypeString;
> - Result += "\", (void *)";
> - Result += MethodInternalNames[*MethodBegin];
> - Result += "}\n";
> - }
> - Result += "\t }\n};\n";
> -}
> -
> -Stmt *RewriteObjCFragileABI::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) {
> - SourceRange OldRange = IV->getSourceRange();
> - Expr *BaseExpr = IV->getBase();
> -
> - // Rewrite the base, but without actually doing replaces.
> - {
> - DisableReplaceStmtScope S(*this);
> - BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr));
> - IV->setBase(BaseExpr);
> - }
> -
> - ObjCIvarDecl *D = IV->getDecl();
> -
> - Expr *Replacement = IV;
> - if (CurMethodDef) {
> - if (BaseExpr->getType()->isObjCObjectPointerType()) {
> - const ObjCInterfaceType *iFaceDecl =
> - dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType());
> - assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null");
> - // lookup which class implements the instance variable.
> - ObjCInterfaceDecl *clsDeclared = nullptr;
> - iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(),
> - clsDeclared);
> - assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class");
> -
> - // Synthesize an explicit cast to gain access to the ivar.
> - std::string RecName = clsDeclared->getIdentifier()->getName();
> - RecName += "_IMPL";
> - IdentifierInfo *II = &Context->Idents.get(RecName);
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - II);
> - assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl");
> - QualType castT = Context->getPointerType(Context->getTagDeclType(RD));
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT,
> - CK_BitCast,
> - IV->getBase());
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(OldRange.getBegin(),
> - OldRange.getEnd(),
> - castExpr);
> - if (IV->isFreeIvar() &&
> - declaresSameEntity(CurMethodDef->getClassInterface(), iFaceDecl->getDecl())) {
> - MemberExpr *ME = new (Context) MemberExpr(PE, true, D,
> - IV->getLocation(),
> - D->getType(),
> - VK_LValue, OK_Ordinary);
> - Replacement = ME;
> - } else {
> - IV->setBase(PE);
> - }
> - }
> - } else { // we are outside a method.
> - assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method");
> -
> - // Explicit ivar refs need to have a cast inserted.
> - // FIXME: consider sharing some of this code with the code above.
> - if (BaseExpr->getType()->isObjCObjectPointerType()) {
> - const ObjCInterfaceType *iFaceDecl =
> - dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType());
> - // lookup which class implements the instance variable.
> - ObjCInterfaceDecl *clsDeclared = nullptr;
> - iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(),
> - clsDeclared);
> - assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class");
> -
> - // Synthesize an explicit cast to gain access to the ivar.
> - std::string RecName = clsDeclared->getIdentifier()->getName();
> - RecName += "_IMPL";
> - IdentifierInfo *II = &Context->Idents.get(RecName);
> - RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl,
> - SourceLocation(), SourceLocation(),
> - II);
> - assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl");
> - QualType castT = Context->getPointerType(Context->getTagDeclType(RD));
> - CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT,
> - CK_BitCast,
> - IV->getBase());
> - // Don't forget the parens to enforce the proper binding.
> - ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(),
> - IV->getBase()->getLocEnd(), castExpr);
> - // Cannot delete IV->getBase(), since PE points to it.
> - // Replace the old base with the cast. This is important when doing
> - // embedded rewrites. For example, [newInv->_container addObject:0].
> - IV->setBase(PE);
> - }
> - }
> -
> - ReplaceStmtWithRange(IV, Replacement, OldRange);
> - return Replacement;
> -}
>
> Removed: cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp (original)
> +++ cfe/trunk/lib/Rewrite/Frontend/RewriteTest.cpp (removed)
> @@ -1,39 +0,0 @@
> -//===--- RewriteTest.cpp - Rewriter playground ----------------------------===//
> -//
> -// The LLVM Compiler Infrastructure
> -//
> -// This file is distributed under the University of Illinois Open Source
> -// License. See LICENSE.TXT for details.
> -//
> -//===----------------------------------------------------------------------===//
> -//
> -// This is a testbed.
> -//
> -//===----------------------------------------------------------------------===//
> -
> -#include "clang/Rewrite/Frontend/Rewriters.h"
> -#include "clang/Lex/Preprocessor.h"
> -#include "clang/Rewrite/Core/TokenRewriter.h"
> -#include "llvm/Support/raw_ostream.h"
> -
> -void clang::DoRewriteTest(Preprocessor &PP, raw_ostream* OS) {
> - SourceManager &SM = PP.getSourceManager();
> - const LangOptions &LangOpts = PP.getLangOpts();
> -
> - TokenRewriter Rewriter(SM.getMainFileID(), SM, LangOpts);
> -
> - // Throw <i> </i> tags around comments.
> - for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
> - E = Rewriter.token_end(); I != E; ++I) {
> - if (I->isNot(tok::comment)) continue;
> -
> - Rewriter.AddTokenBefore(I, "<i>");
> - Rewriter.AddTokenAfter(I, "</i>");
> - }
> -
> -
> - // Print out the output.
> - for (TokenRewriter::token_iterator I = Rewriter.token_begin(),
> - E = Rewriter.token_end(); I != E; ++I)
> - *OS << PP.getSpelling(*I);
> -}
>
> Copied: cfe/trunk/lib/Rewrite/HTMLRewrite.cpp (from r213167, cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/HTMLRewrite.cpp?p2=cfe/trunk/lib/Rewrite/HTMLRewrite.cpp&p1=cfe/trunk/lib/Rewrite/Core/HTMLRewrite.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Modified: cfe/trunk/lib/Rewrite/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Rewrite/Makefile (original)
> +++ cfe/trunk/lib/Rewrite/Makefile Wed Jul 16 11:48:33 2014
> @@ -1,4 +1,4 @@
> -##===- clang/lib/StaticAnalyzer/Makefile -------------------*- Makefile -*-===##
> +##===- clang/lib/Rewrite/Makefile --------------------------*- Makefile -*-===##
> #
> # The LLVM Compiler Infrastructure
> #
> @@ -6,9 +6,13 @@
> # License. See LICENSE.TXT for details.
> #
> ##===----------------------------------------------------------------------===##
> +#
> +# This implements code transformation / rewriting facilities.
> +#
> +##===----------------------------------------------------------------------===##
>
> CLANG_LEVEL := ../..
> -DIRS := Frontend
> -PARALLEL_DIRS := Core
> +LIBRARYNAME := clangRewrite
>
> include $(CLANG_LEVEL)/Makefile
> +
>
> Copied: cfe/trunk/lib/Rewrite/RewriteRope.cpp (from r213167, cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/RewriteRope.cpp?p2=cfe/trunk/lib/Rewrite/RewriteRope.cpp&p1=cfe/trunk/lib/Rewrite/Core/RewriteRope.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Rewrite/Rewriter.cpp (from r213167, cfe/trunk/lib/Rewrite/Core/Rewriter.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/Rewriter.cpp?p2=cfe/trunk/lib/Rewrite/Rewriter.cpp&p1=cfe/trunk/lib/Rewrite/Core/Rewriter.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Copied: cfe/trunk/lib/Rewrite/TokenRewriter.cpp (from r213167, cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp)
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Rewrite/TokenRewriter.cpp?p2=cfe/trunk/lib/Rewrite/TokenRewriter.cpp&p1=cfe/trunk/lib/Rewrite/Core/TokenRewriter.cpp&r1=213167&r2=213171&rev=213171&view=diff
> ==============================================================================
> (empty)
>
> Modified: cfe/trunk/lib/StaticAnalyzer/Core/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/StaticAnalyzer/Core/CMakeLists.txt (original)
> +++ cfe/trunk/lib/StaticAnalyzer/Core/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -45,5 +45,5 @@ add_clang_library(clangStaticAnalyzerCor
> clangAnalysis
> clangBasic
> clangLex
> - clangRewriteCore
> + clangRewrite
> )
>
> Modified: cfe/trunk/lib/Tooling/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Tooling/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Tooling/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Tooling/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -17,5 +17,5 @@ add_clang_library(clangTooling
> clangDriver
> clangFrontend
> clangLex
> - clangRewriteCore
> + clangRewrite
> )
>
> Modified: cfe/trunk/test/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/test/CMakeLists.txt (original)
> +++ cfe/trunk/test/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -26,17 +26,11 @@ endif ()
>
> list(APPEND CLANG_TEST_DEPS
> clang clang-headers
> + clang-check clang-format
> c-index-test diagtool
> clang-tblgen
> )
>
> -if (CLANG_ENABLE_REWRITER)
> - list(APPEND CLANG_TEST_DEPS
> - clang-check
> - clang-format
> - )
> -endif ()
> -
> if (CLANG_ENABLE_ARCMT)
> list(APPEND CLANG_TEST_DEPS
> arcmt-test
>
> Removed: cfe/trunk/test/FixIt/lit.local.cfg
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/FixIt/lit.local.cfg?rev=213170&view=auto
> ==============================================================================
> --- cfe/trunk/test/FixIt/lit.local.cfg (original)
> +++ cfe/trunk/test/FixIt/lit.local.cfg (removed)
> @@ -1,2 +0,0 @@
> -if config.root.clang_rewriter == 0:
> - config.unsupported = True
>
> Modified: cfe/trunk/test/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/test/Makefile (original)
> +++ cfe/trunk/test/Makefile Wed Jul 16 11:48:33 2014
> @@ -47,7 +47,6 @@ lit.site.cfg: FORCE
> @$(ECHOPATH) s=@CLANG_TOOLS_DIR@=$(ToolDir)=g >> lit.tmp
> @$(ECHOPATH) s=@TARGET_TRIPLE@=$(TARGET_TRIPLE)=g >> lit.tmp
> @$(ECHOPATH) s=@ENABLE_CLANG_ARCMT@=$(ENABLE_CLANG_ARCMT)=g >> lit.tmp
> - @$(ECHOPATH) s=@ENABLE_CLANG_REWRITER@=$(ENABLE_CLANG_REWRITER)=g >> lit.tmp
> @$(ECHOPATH) s=@ENABLE_CLANG_STATIC_ANALYZER@=$(ENABLE_CLANG_STATIC_ANALYZER)=g >> lit.tmp
> @$(ECHOPATH) s=@ENABLE_CLANG_EXAMPLES@=$(ENABLE_CLANG_EXAMPLES)=g >> lit.tmp
> @$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> lit.tmp
>
> Modified: cfe/trunk/test/Rewriter/lit.local.cfg
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Rewriter/lit.local.cfg?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/test/Rewriter/lit.local.cfg (original)
> +++ cfe/trunk/test/Rewriter/lit.local.cfg Wed Jul 16 11:48:33 2014
> @@ -1,2 +1,3 @@
> -if config.root.clang_rewriter == 0:
> +# The Objective-C rewriters are currently grouped with ARCMT.
> +if config.root.clang_arcmt == 0:
> config.unsupported = True
>
> Modified: cfe/trunk/test/lit.site.cfg.in
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/lit.site.cfg.in?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/test/lit.site.cfg.in (original)
> +++ cfe/trunk/test/lit.site.cfg.in Wed Jul 16 11:48:33 2014
> @@ -16,7 +16,6 @@ config.target_triple = "@TARGET_TRIPLE@"
> config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
> config.clang_arcmt = @ENABLE_CLANG_ARCMT@
> config.clang_staticanalyzer = @ENABLE_CLANG_STATIC_ANALYZER@
> -config.clang_rewriter = @ENABLE_CLANG_REWRITER@
> config.clang_examples = @ENABLE_CLANG_EXAMPLES@
> config.enable_shared = @ENABLE_SHARED@
> config.host_arch = "@HOST_ARCH@"
>
> Modified: cfe/trunk/tools/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/CMakeLists.txt (original)
> +++ cfe/trunk/tools/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -1,9 +1,7 @@
> add_subdirectory(diagtool)
> add_subdirectory(driver)
> -if(CLANG_ENABLE_REWRITER)
> - add_subdirectory(clang-format)
> - add_subdirectory(clang-format-vs)
> -endif()
> +add_subdirectory(clang-format)
> +add_subdirectory(clang-format-vs)
>
> add_subdirectory(c-index-test)
> add_subdirectory(libclang)
> @@ -12,6 +10,7 @@ if(CLANG_ENABLE_ARCMT)
> add_subdirectory(arcmt-test)
> add_subdirectory(c-arcmt-test)
> endif()
> +
> if(CLANG_ENABLE_STATIC_ANALYZER)
> add_subdirectory(clang-check)
> endif()
>
> Modified: cfe/trunk/tools/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/Makefile (original)
> +++ cfe/trunk/tools/Makefile Wed Jul 16 11:48:33 2014
> @@ -12,11 +12,7 @@ CLANG_LEVEL := ..
> include $(CLANG_LEVEL)/../../Makefile.config
>
> DIRS :=
> -PARALLEL_DIRS := driver diagtool
> -
> -ifeq ($(ENABLE_CLANG_REWRITER),1)
> - PARALLEL_DIRS += clang-format
> -endif
> +PARALLEL_DIRS := clang-format driver diagtool
>
> ifeq ($(ENABLE_CLANG_STATIC_ANALYZER), 1)
> PARALLEL_DIRS += clang-check
>
> Modified: cfe/trunk/tools/arcmt-test/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/arcmt-test/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/arcmt-test/Makefile (original)
> +++ cfe/trunk/tools/arcmt-test/Makefile Wed Jul 16 11:48:33 2014
> @@ -18,7 +18,7 @@ NO_INSTALL = 1
>
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> -USEDLIBS = clangARCMigrate.a clangRewriteCore.a \
> +USEDLIBS = clangARCMigrate.a clangRewrite.a \
> clangFrontend.a clangDriver.a clangSerialization.a clangParse.a \
> clangSema.a clangEdit.a clangAnalysis.a clangAST.a clangLex.a \
> clangBasic.a
>
> Modified: cfe/trunk/tools/c-arcmt-test/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/c-arcmt-test/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/c-arcmt-test/Makefile (original)
> +++ cfe/trunk/tools/c-arcmt-test/Makefile Wed Jul 16 11:48:33 2014
> @@ -31,7 +31,7 @@ USEDLIBS = clang.a \
> clangFormat.a \
> clangTooling.a \
> clangRewriteFrontend.a \
> - clangRewriteCore.a \
> + clangRewrite.a \
> clangFrontend.a clangDriver.a \
> clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
> clangSerialization.a clangParse.a clangSema.a \
>
> Modified: cfe/trunk/tools/c-index-test/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/c-index-test/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/c-index-test/Makefile (original)
> +++ cfe/trunk/tools/c-index-test/Makefile Wed Jul 16 11:48:33 2014
> @@ -27,7 +27,7 @@ LINK_COMPONENTS := $(TARGETS_TO_BUILD) a
> # Note that 'USEDLIBS' must include all of the core clang libraries
> # when -static is given to linker on cygming.
> USEDLIBS = clang.a \
> - clangIndex.a clangFormat.a clangRewriteCore.a \
> + clangIndex.a clangFormat.a clangRewrite.a \
> clangFrontend.a clangDriver.a \
> clangTooling.a \
> clangSerialization.a clangParse.a clangSema.a \
>
> Modified: cfe/trunk/tools/clang-check/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-check/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/clang-check/Makefile (original)
> +++ cfe/trunk/tools/clang-check/Makefile Wed Jul 16 11:48:33 2014
> @@ -20,6 +20,6 @@ USEDLIBS = clangFrontend.a clangSerializ
> clangTooling.a clangParse.a clangSema.a \
> clangStaticAnalyzerFrontend.a clangStaticAnalyzerCheckers.a \
> clangStaticAnalyzerCore.a clangAnalysis.a clangRewriteFrontend.a \
> - clangRewriteCore.a clangEdit.a clangAST.a clangLex.a clangBasic.a
> + clangRewrite.a clangEdit.a clangAST.a clangLex.a clangBasic.a
>
> include $(CLANG_LEVEL)/Makefile
>
> Modified: cfe/trunk/tools/clang-format/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/clang-format/CMakeLists.txt (original)
> +++ cfe/trunk/tools/clang-format/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -8,7 +8,7 @@ target_link_libraries(clang-format
> clangBasic
> clangFormat
> clangLex
> - clangRewriteCore
> + clangRewrite
> clangTooling
> )
>
>
> Modified: cfe/trunk/tools/clang-format/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-format/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/clang-format/Makefile (original)
> +++ cfe/trunk/tools/clang-format/Makefile Wed Jul 16 11:48:33 2014
> @@ -18,7 +18,7 @@ include $(CLANG_LEVEL)/../../Makefile.co
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangFormat.a clangTooling.a clangFrontend.a clangSerialization.a \
> clangDriver.a clangParse.a clangSema.a clangAnalysis.a \
> - clangRewriteFrontend.a clangRewriteCore.a clangEdit.a clangAST.a \
> + clangRewriteFrontend.a clangRewrite.a clangEdit.a clangAST.a \
> clangLex.a clangBasic.a
>
> include $(CLANG_LEVEL)/Makefile
>
> Modified: cfe/trunk/tools/driver/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/driver/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/driver/Makefile (original)
> +++ cfe/trunk/tools/driver/Makefile Wed Jul 16 11:48:33 2014
> @@ -35,7 +35,8 @@ LINK_COMPONENTS := $(TARGETS_TO_BUILD) a
> instrumentation ipo irreader linker objcarcopts option \
> profiledata selectiondag
> USEDLIBS = clangFrontendTool.a clangFrontend.a clangDriver.a \
> - clangSerialization.a clangCodeGen.a clangParse.a clangSema.a
> + clangSerialization.a clangCodeGen.a clangParse.a clangSema.a \
> + clangRewriteFrontend.a clangRewrite.a
>
> ifeq ($(ENABLE_CLANG_STATIC_ANALYZER),1)
> USEDLIBS += clangStaticAnalyzerFrontend.a clangStaticAnalyzerCheckers.a \
> @@ -46,10 +47,6 @@ ifeq ($(ENABLE_CLANG_ARCMT),1)
> USEDLIBS += clangARCMigrate.a
> endif
>
> -ifeq ($(ENABLE_CLANG_REWRITER),1)
> -USEDLIBS += clangRewriteFrontend.a clangRewriteCore.a
> -endif
> -
> USEDLIBS += clangAnalysis.a clangEdit.a clangAST.a clangLex.a clangBasic.a
>
> include $(CLANG_LEVEL)/Makefile
>
> Modified: cfe/trunk/tools/libclang/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/tools/libclang/Makefile (original)
> +++ cfe/trunk/tools/libclang/Makefile Wed Jul 16 11:48:33 2014
> @@ -25,7 +25,7 @@ USEDLIBS = clangIndex.a clangARCMigrate.
> clangSerialization.a \
> clangParse.a clangSema.a \
> clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
> - clangRewriteCore.a \
> + clangRewrite.a \
> clangAnalysis.a clangEdit.a \
> clangASTMatchers.a \
> clangAST.a clangLex.a clangBasic.a \
>
> Modified: cfe/trunk/unittests/AST/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/AST/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/AST/Makefile (original)
> +++ cfe/trunk/unittests/AST/Makefile Wed Jul 16 11:48:33 2014
> @@ -12,7 +12,7 @@ TESTNAME = AST
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
> - clangRewriteCore.a clangRewriteFrontend.a \
> + clangRewrite.a clangRewriteFrontend.a \
> clangParse.a clangSema.a clangAnalysis.a \
> clangEdit.a clangAST.a clangASTMatchers.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/ASTMatchers/Dynamic/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/Dynamic/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/ASTMatchers/Dynamic/Makefile (original)
> +++ cfe/trunk/unittests/ASTMatchers/Dynamic/Makefile Wed Jul 16 11:48:33 2014
> @@ -13,7 +13,7 @@ TESTNAME = DynamicASTMatchers
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
> - clangRewriteCore.a clangRewriteFrontend.a clangParse.a clangSema.a \
> + clangRewrite.a clangRewriteFrontend.a clangParse.a clangSema.a \
> clangAnalysis.a clangEdit.a clangAST.a clangASTMatchers.a \
> clangLex.a clangBasic.a clangDynamicASTMatchers.a
>
>
> Modified: cfe/trunk/unittests/ASTMatchers/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/ASTMatchers/Makefile (original)
> +++ cfe/trunk/unittests/ASTMatchers/Makefile Wed Jul 16 11:48:33 2014
> @@ -15,7 +15,7 @@ TESTNAME = ASTMatchers
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
> - clangRewriteCore.a clangRewriteFrontend.a \
> + clangRewrite.a clangRewriteFrontend.a \
> clangParse.a clangSema.a clangAnalysis.a \
> clangEdit.a clangAST.a clangASTMatchers.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/CMakeLists.txt (original)
> +++ cfe/trunk/unittests/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -15,13 +15,12 @@ add_subdirectory(Driver)
> if(CLANG_ENABLE_STATIC_ANALYZER)
> add_subdirectory(Frontend)
> endif()
> -if(CLANG_ENABLE_REWRITER)
> - add_subdirectory(ASTMatchers)
> - add_subdirectory(AST)
> - add_subdirectory(Tooling)
> - add_subdirectory(Format)
> - add_subdirectory(Sema)
> -endif()
> -if(NOT WIN32) # FIXME:Investigating.
> +add_subdirectory(ASTMatchers)
> +add_subdirectory(AST)
> +add_subdirectory(Tooling)
> +add_subdirectory(Format)
> +add_subdirectory(Sema)
> +# FIXME: Why are the libclang unit tests disabled on Windows?
> +if(NOT WIN32)
> add_subdirectory(libclang)
> endif()
>
> Modified: cfe/trunk/unittests/Format/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Format/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Format/Makefile (original)
> +++ cfe/trunk/unittests/Format/Makefile Wed Jul 16 11:48:33 2014
> @@ -12,7 +12,7 @@ TESTNAME = Format
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangFormat.a clangTooling.a clangFrontend.a clangSerialization.a \
> - clangDriver.a clangParse.a clangRewriteCore.a \
> + clangDriver.a clangParse.a clangRewrite.a \
> clangRewriteFrontend.a clangSema.a clangAnalysis.a clangEdit.a \
> clangAST.a clangASTMatchers.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/Frontend/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Frontend/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Frontend/Makefile (original)
> +++ cfe/trunk/unittests/Frontend/Makefile Wed Jul 16 11:48:33 2014
> @@ -14,7 +14,7 @@ LINK_COMPONENTS := $(TARGETS_TO_BUILD) a
> USEDLIBS = clangFrontendTool.a clangFrontend.a clangDriver.a \
> clangSerialization.a clangCodeGen.a clangParse.a clangSema.a \
> clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
> - clangARCMigrate.a clangRewriteCore.a \
> + clangARCMigrate.a clangRewrite.a \
> clangRewriteFrontend.a clangEdit.a \
> clangAnalysis.a clangAST.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Makefile (original)
> +++ cfe/trunk/unittests/Makefile Wed Jul 16 11:48:33 2014
> @@ -14,14 +14,10 @@ ifndef CLANG_LEVEL
>
> IS_UNITTEST_LEVEL := 1
> CLANG_LEVEL := ..
> -PARALLEL_DIRS = Basic Lex Driver libclang
> +PARALLEL_DIRS = Basic Lex Driver libclang Format ASTMatchers AST Tooling Sema
>
> include $(CLANG_LEVEL)/../..//Makefile.config
>
> -ifeq ($(ENABLE_CLANG_REWRITER),1)
> -PARALLEL_DIRS += Format ASTMatchers AST Tooling Sema
> -endif
> -
> ifeq ($(ENABLE_CLANG_ARCMT),1)
> PARALLEL_DIRS += Frontend
> endif
>
> Modified: cfe/trunk/unittests/Sema/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Sema/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Sema/Makefile (original)
> +++ cfe/trunk/unittests/Sema/Makefile Wed Jul 16 11:48:33 2014
> @@ -12,7 +12,7 @@ TESTNAME = Sema
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
> - clangRewriteCore.a clangRewriteFrontend.a \
> + clangRewrite.a clangRewriteFrontend.a \
> clangParse.a clangSema.a clangAnalysis.a \
> clangEdit.a clangAST.a clangASTMatchers.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/Tooling/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Tooling/CMakeLists.txt?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Tooling/CMakeLists.txt (original)
> +++ cfe/trunk/unittests/Tooling/CMakeLists.txt Wed Jul 16 11:48:33 2014
> @@ -19,6 +19,6 @@ target_link_libraries(ToolingTests
> clangBasic
> clangFrontend
> clangLex
> - clangRewriteCore
> + clangRewrite
> clangTooling
> )
>
> Modified: cfe/trunk/unittests/Tooling/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Tooling/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/Tooling/Makefile (original)
> +++ cfe/trunk/unittests/Tooling/Makefile Wed Jul 16 11:48:33 2014
> @@ -12,7 +12,7 @@ TESTNAME = Tooling
> include $(CLANG_LEVEL)/../../Makefile.config
> LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
> USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
> - clangParse.a clangRewriteCore.a clangRewriteFrontend.a \
> + clangParse.a clangRewrite.a clangRewriteFrontend.a \
> clangSema.a clangAnalysis.a clangEdit.a \
> clangAST.a clangASTMatchers.a clangLex.a clangBasic.a
>
>
> Modified: cfe/trunk/unittests/libclang/Makefile
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/libclang/Makefile?rev=213171&r1=213170&r2=213171&view=diff
> ==============================================================================
> --- cfe/trunk/unittests/libclang/Makefile (original)
> +++ cfe/trunk/unittests/libclang/Makefile Wed Jul 16 11:48:33 2014
> @@ -17,7 +17,7 @@ LINK_COMPONENTS := $(TARGETS_TO_BUILD) a
> # Note that 'USEDLIBS' must include all of the core clang libraries
> # when -static is given to linker on cygming.
> USEDLIBS = clang.a \
> - clangIndex.a clangFormat.a clangRewriteCore.a \
> + clangIndex.a clangFormat.a clangRewrite.a \
> clangFrontend.a clangDriver.a \
> clangTooling.a \
> clangSerialization.a clangParse.a clangSema.a \
>
>
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