[cfe-commits] r111473 - in /cfe/trunk: clang.xcodeproj/project.pbxproj lib/Serialization/ASTReader.cpp lib/Serialization/ASTReaderDecl.cpp lib/Serialization/ASTReaderStmt.cpp lib/Serialization/CMakeLists.txt lib/Serialization/PCHReader.cpp lib/Serialization/PCHReaderDecl.cpp lib/Serialization/PCHReaderStmt.cpp
Sebastian Redl
sebastian.redl at getdesigned.at
Wed Aug 18 16:57:11 PDT 2010
Author: cornedbee
Date: Wed Aug 18 18:57:11 2010
New Revision: 111473
URL: http://llvm.org/viewvc/llvm-project?rev=111473&view=rev
Log:
Rename the ASTReader implementation files.
Added:
cfe/trunk/lib/Serialization/ASTReader.cpp
- copied, changed from r111472, cfe/trunk/lib/Serialization/PCHReader.cpp
cfe/trunk/lib/Serialization/ASTReaderDecl.cpp
- copied, changed from r111472, cfe/trunk/lib/Serialization/PCHReaderDecl.cpp
cfe/trunk/lib/Serialization/ASTReaderStmt.cpp
- copied, changed from r111472, cfe/trunk/lib/Serialization/PCHReaderStmt.cpp
Removed:
cfe/trunk/lib/Serialization/PCHReader.cpp
cfe/trunk/lib/Serialization/PCHReaderDecl.cpp
cfe/trunk/lib/Serialization/PCHReaderStmt.cpp
Modified:
cfe/trunk/clang.xcodeproj/project.pbxproj
cfe/trunk/lib/Serialization/CMakeLists.txt
Modified: cfe/trunk/clang.xcodeproj/project.pbxproj
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/clang.xcodeproj/project.pbxproj?rev=111473&r1=111472&r2=111473&view=diff
==============================================================================
--- cfe/trunk/clang.xcodeproj/project.pbxproj (original)
+++ cfe/trunk/clang.xcodeproj/project.pbxproj Wed Aug 18 18:57:11 2010
@@ -135,11 +135,11 @@
35EFEFB60DB67ED60020783D /* GRTransferFuncs.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 35EFEFB50DB67ED60020783D /* GRTransferFuncs.cpp */; };
35F2A01E0E36AFF100D17527 /* CheckObjCUnusedIVars.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 35F2A01D0E36AFF100D17527 /* CheckObjCUnusedIVars.cpp */; };
35F8D0D60D9B82CD00D91C5E /* BasicObjCFoundationChecks.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 35F8D0D50D9B82CD00D91C5E /* BasicObjCFoundationChecks.cpp */; };
+ 57AA9250121C8B9400B4AA6C /* ASTReader.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57AA924D121C8B9400B4AA6C /* ASTReader.cpp */; };
+ 57AA9251121C8B9400B4AA6C /* ASTReaderDecl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57AA924E121C8B9400B4AA6C /* ASTReaderDecl.cpp */; };
+ 57AA9252121C8B9400B4AA6C /* ASTReaderStmt.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57AA924F121C8B9400B4AA6C /* ASTReaderStmt.cpp */; };
57EB566A121B034300ECA335 /* GeneratePCH.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57EB5662121B034300ECA335 /* GeneratePCH.cpp */; };
57EB566B121B034300ECA335 /* Makefile in Sources */ = {isa = PBXBuildFile; fileRef = 57EB5663121B034300ECA335 /* Makefile */; };
- 57EB566C121B034300ECA335 /* PCHReader.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57EB5664121B034300ECA335 /* PCHReader.cpp */; };
- 57EB566D121B034300ECA335 /* PCHReaderDecl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57EB5665121B034300ECA335 /* PCHReaderDecl.cpp */; };
- 57EB566E121B034300ECA335 /* PCHReaderStmt.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57EB5666121B034300ECA335 /* PCHReaderStmt.cpp */; };
57F66612121B4DE600DCE3B7 /* ASTWriter.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57F6660F121B4DE600DCE3B7 /* ASTWriter.cpp */; };
57F66613121B4DE600DCE3B7 /* ASTWriterDecl.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57F66610121B4DE600DCE3B7 /* ASTWriterDecl.cpp */; };
57F66614121B4DE600DCE3B7 /* ASTWriterStmt.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 57F66611121B4DE600DCE3B7 /* ASTWriterStmt.cpp */; };
@@ -593,15 +593,15 @@
35F9B1550D1C6B2E00DDFDAE /* LiveVariables.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = LiveVariables.h; path = clang/Analysis/Analyses/LiveVariables.h; sourceTree = "<group>"; };
35F9B1560D1C6B2E00DDFDAE /* UninitializedValues.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = UninitializedValues.h; path = clang/Analysis/Analyses/UninitializedValues.h; sourceTree = "<group>"; };
574F4C25121B4EF000AEAC20 /* ASTWriter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASTWriter.h; path = clang/Serialization/ASTWriter.h; sourceTree = "<group>"; };
+ 57AA924D121C8B9400B4AA6C /* ASTReader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTReader.cpp; sourceTree = "<group>"; };
+ 57AA924E121C8B9400B4AA6C /* ASTReaderDecl.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTReaderDecl.cpp; sourceTree = "<group>"; };
+ 57AA924F121C8B9400B4AA6C /* ASTReaderStmt.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTReaderStmt.cpp; sourceTree = "<group>"; };
57EB565C121B02FC00ECA335 /* PCHBitCodes.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PCHBitCodes.h; path = clang/Serialization/PCHBitCodes.h; sourceTree = "<group>"; };
57EB565D121B02FC00ECA335 /* PCHDeserializationListener.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PCHDeserializationListener.h; path = clang/Serialization/PCHDeserializationListener.h; sourceTree = "<group>"; };
57EB565E121B02FC00ECA335 /* PCHReader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = PCHReader.h; path = clang/Serialization/PCHReader.h; sourceTree = "<group>"; };
57EB5661121B034300ECA335 /* CMakeLists.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = CMakeLists.txt; sourceTree = "<group>"; };
57EB5662121B034300ECA335 /* GeneratePCH.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = GeneratePCH.cpp; sourceTree = "<group>"; };
57EB5663121B034300ECA335 /* Makefile */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.make; path = Makefile; sourceTree = "<group>"; };
- 57EB5664121B034300ECA335 /* PCHReader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PCHReader.cpp; sourceTree = "<group>"; };
- 57EB5665121B034300ECA335 /* PCHReaderDecl.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PCHReaderDecl.cpp; sourceTree = "<group>"; };
- 57EB5666121B034300ECA335 /* PCHReaderStmt.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PCHReaderStmt.cpp; sourceTree = "<group>"; };
57F6660F121B4DE600DCE3B7 /* ASTWriter.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTWriter.cpp; sourceTree = "<group>"; };
57F66610121B4DE600DCE3B7 /* ASTWriterDecl.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTWriterDecl.cpp; sourceTree = "<group>"; };
57F66611121B4DE600DCE3B7 /* ASTWriterStmt.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ASTWriterStmt.cpp; sourceTree = "<group>"; };
@@ -1182,15 +1182,15 @@
57EB5660121B034300ECA335 /* Serialization */ = {
isa = PBXGroup;
children = (
+ 57AA924D121C8B9400B4AA6C /* ASTReader.cpp */,
+ 57AA924E121C8B9400B4AA6C /* ASTReaderDecl.cpp */,
+ 57AA924F121C8B9400B4AA6C /* ASTReaderStmt.cpp */,
57F6660F121B4DE600DCE3B7 /* ASTWriter.cpp */,
57F66610121B4DE600DCE3B7 /* ASTWriterDecl.cpp */,
57F66611121B4DE600DCE3B7 /* ASTWriterStmt.cpp */,
57EB5661121B034300ECA335 /* CMakeLists.txt */,
57EB5662121B034300ECA335 /* GeneratePCH.cpp */,
57EB5663121B034300ECA335 /* Makefile */,
- 57EB5664121B034300ECA335 /* PCHReader.cpp */,
- 57EB5665121B034300ECA335 /* PCHReaderDecl.cpp */,
- 57EB5666121B034300ECA335 /* PCHReaderStmt.cpp */,
);
name = Serialization;
path = lib/Serialization;
@@ -2190,12 +2190,12 @@
BFE2F6D611DA955A0007EDC0 /* TokenRewriter.cpp in Sources */,
57EB566A121B034300ECA335 /* GeneratePCH.cpp in Sources */,
57EB566B121B034300ECA335 /* Makefile in Sources */,
- 57EB566C121B034300ECA335 /* PCHReader.cpp in Sources */,
- 57EB566D121B034300ECA335 /* PCHReaderDecl.cpp in Sources */,
- 57EB566E121B034300ECA335 /* PCHReaderStmt.cpp in Sources */,
57F66612121B4DE600DCE3B7 /* ASTWriter.cpp in Sources */,
57F66613121B4DE600DCE3B7 /* ASTWriterDecl.cpp in Sources */,
57F66614121B4DE600DCE3B7 /* ASTWriterStmt.cpp in Sources */,
+ 57AA9250121C8B9400B4AA6C /* ASTReader.cpp in Sources */,
+ 57AA9251121C8B9400B4AA6C /* ASTReaderDecl.cpp in Sources */,
+ 57AA9252121C8B9400B4AA6C /* ASTReaderStmt.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
Copied: cfe/trunk/lib/Serialization/ASTReader.cpp (from r111472, cfe/trunk/lib/Serialization/PCHReader.cpp)
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReader.cpp?p2=cfe/trunk/lib/Serialization/ASTReader.cpp&p1=cfe/trunk/lib/Serialization/PCHReader.cpp&r1=111472&r2=111473&rev=111473&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReader.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReader.cpp Wed Aug 18 18:57:11 2010
@@ -1,4 +1,4 @@
-//===--- PCHReader.cpp - AST File Reader ------------------------*- C++ -*-===//
+//===--- ASTReader.cpp - AST File Reader ------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
Copied: cfe/trunk/lib/Serialization/ASTReaderDecl.cpp (from r111472, cfe/trunk/lib/Serialization/PCHReaderDecl.cpp)
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderDecl.cpp?p2=cfe/trunk/lib/Serialization/ASTReaderDecl.cpp&p1=cfe/trunk/lib/Serialization/PCHReaderDecl.cpp&r1=111472&r2=111473&rev=111473&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReaderDecl.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReaderDecl.cpp Wed Aug 18 18:57:11 2010
@@ -1,4 +1,4 @@
-//===--- PCHReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===//
+//===--- ASTReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
Copied: cfe/trunk/lib/Serialization/ASTReaderStmt.cpp (from r111472, cfe/trunk/lib/Serialization/PCHReaderStmt.cpp)
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderStmt.cpp?p2=cfe/trunk/lib/Serialization/ASTReaderStmt.cpp&p1=cfe/trunk/lib/Serialization/PCHReaderStmt.cpp&r1=111472&r2=111473&rev=111473&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReaderStmt.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReaderStmt.cpp Wed Aug 18 18:57:11 2010
@@ -1,4 +1,4 @@
-//===--- PCHReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
+//===--- ASTReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
Modified: cfe/trunk/lib/Serialization/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/CMakeLists.txt?rev=111473&r1=111472&r2=111473&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/CMakeLists.txt (original)
+++ cfe/trunk/lib/Serialization/CMakeLists.txt Wed Aug 18 18:57:11 2010
@@ -2,9 +2,9 @@
add_clang_library(clangSerialization
GeneratePCH.cpp
- PCHReader.cpp
- PCHReaderDecl.cpp
- PCHReaderStmt.cpp
+ ASTReader.cpp
+ ASTReaderDecl.cpp
+ ASTReaderStmt.cpp
ASTWriter.cpp
ASTWriterDecl.cpp
ASTWriterStmt.cpp
Removed: cfe/trunk/lib/Serialization/PCHReader.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/PCHReader.cpp?rev=111472&view=auto
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReader.cpp (original)
+++ cfe/trunk/lib/Serialization/PCHReader.cpp (removed)
@@ -1,3839 +0,0 @@
-//===--- PCHReader.cpp - AST File Reader ------------------------*- 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 ASTReader class, which reads AST files.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Serialization/PCHReader.h"
-#include "clang/Serialization/PCHDeserializationListener.h"
-#include "clang/Frontend/FrontendDiagnostic.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Sema/Sema.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/Expr.h"
-#include "clang/AST/Type.h"
-#include "clang/AST/TypeLocVisitor.h"
-#include "clang/Lex/MacroInfo.h"
-#include "clang/Lex/PreprocessingRecord.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Lex/HeaderSearch.h"
-#include "clang/Basic/OnDiskHashTable.h"
-#include "clang/Basic/SourceManager.h"
-#include "clang/Basic/SourceManagerInternals.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Basic/TargetInfo.h"
-#include "clang/Basic/Version.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/Bitcode/BitstreamReader.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/System/Path.h"
-#include <algorithm>
-#include <iterator>
-#include <cstdio>
-#include <sys/stat.h>
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// PCH validator implementation
-//===----------------------------------------------------------------------===//
-
-ASTReaderListener::~ASTReaderListener() {}
-
-bool
-PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts) {
- const LangOptions &PPLangOpts = PP.getLangOptions();
-#define PARSE_LANGOPT_BENIGN(Option)
-#define PARSE_LANGOPT_IMPORTANT(Option, DiagID) \
- if (PPLangOpts.Option != LangOpts.Option) { \
- Reader.Diag(DiagID) << LangOpts.Option << PPLangOpts.Option; \
- return true; \
- }
-
- PARSE_LANGOPT_BENIGN(Trigraphs);
- PARSE_LANGOPT_BENIGN(BCPLComment);
- PARSE_LANGOPT_BENIGN(DollarIdents);
- PARSE_LANGOPT_BENIGN(AsmPreprocessor);
- PARSE_LANGOPT_IMPORTANT(GNUMode, diag::warn_pch_gnu_extensions);
- PARSE_LANGOPT_IMPORTANT(GNUKeywords, diag::warn_pch_gnu_keywords);
- PARSE_LANGOPT_BENIGN(ImplicitInt);
- PARSE_LANGOPT_BENIGN(Digraphs);
- PARSE_LANGOPT_BENIGN(HexFloats);
- PARSE_LANGOPT_IMPORTANT(C99, diag::warn_pch_c99);
- PARSE_LANGOPT_IMPORTANT(Microsoft, diag::warn_pch_microsoft_extensions);
- PARSE_LANGOPT_IMPORTANT(CPlusPlus, diag::warn_pch_cplusplus);
- PARSE_LANGOPT_IMPORTANT(CPlusPlus0x, diag::warn_pch_cplusplus0x);
- PARSE_LANGOPT_BENIGN(CXXOperatorName);
- PARSE_LANGOPT_IMPORTANT(ObjC1, diag::warn_pch_objective_c);
- PARSE_LANGOPT_IMPORTANT(ObjC2, diag::warn_pch_objective_c2);
- PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI, diag::warn_pch_nonfragile_abi);
- PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI2, diag::warn_pch_nonfragile_abi2);
- PARSE_LANGOPT_IMPORTANT(NoConstantCFStrings,
- diag::warn_pch_no_constant_cfstrings);
- PARSE_LANGOPT_BENIGN(PascalStrings);
- PARSE_LANGOPT_BENIGN(WritableStrings);
- PARSE_LANGOPT_IMPORTANT(LaxVectorConversions,
- diag::warn_pch_lax_vector_conversions);
- PARSE_LANGOPT_IMPORTANT(AltiVec, diag::warn_pch_altivec);
- PARSE_LANGOPT_IMPORTANT(Exceptions, diag::warn_pch_exceptions);
- PARSE_LANGOPT_IMPORTANT(SjLjExceptions, diag::warn_pch_sjlj_exceptions);
- PARSE_LANGOPT_IMPORTANT(NeXTRuntime, diag::warn_pch_objc_runtime);
- PARSE_LANGOPT_IMPORTANT(Freestanding, diag::warn_pch_freestanding);
- PARSE_LANGOPT_IMPORTANT(NoBuiltin, diag::warn_pch_builtins);
- PARSE_LANGOPT_IMPORTANT(ThreadsafeStatics,
- diag::warn_pch_thread_safe_statics);
- PARSE_LANGOPT_IMPORTANT(POSIXThreads, diag::warn_pch_posix_threads);
- PARSE_LANGOPT_IMPORTANT(Blocks, diag::warn_pch_blocks);
- PARSE_LANGOPT_BENIGN(EmitAllDecls);
- PARSE_LANGOPT_IMPORTANT(MathErrno, diag::warn_pch_math_errno);
- PARSE_LANGOPT_BENIGN(getSignedOverflowBehavior());
- PARSE_LANGOPT_IMPORTANT(HeinousExtensions,
- diag::warn_pch_heinous_extensions);
- // FIXME: Most of the options below are benign if the macro wasn't
- // used. Unfortunately, this means that a PCH compiled without
- // optimization can't be used with optimization turned on, even
- // though the only thing that changes is whether __OPTIMIZE__ was
- // defined... but if __OPTIMIZE__ never showed up in the header, it
- // doesn't matter. We could consider making this some special kind
- // of check.
- PARSE_LANGOPT_IMPORTANT(Optimize, diag::warn_pch_optimize);
- PARSE_LANGOPT_IMPORTANT(OptimizeSize, diag::warn_pch_optimize_size);
- PARSE_LANGOPT_IMPORTANT(Static, diag::warn_pch_static);
- PARSE_LANGOPT_IMPORTANT(PICLevel, diag::warn_pch_pic_level);
- PARSE_LANGOPT_IMPORTANT(GNUInline, diag::warn_pch_gnu_inline);
- PARSE_LANGOPT_IMPORTANT(NoInline, diag::warn_pch_no_inline);
- PARSE_LANGOPT_IMPORTANT(AccessControl, diag::warn_pch_access_control);
- PARSE_LANGOPT_IMPORTANT(CharIsSigned, diag::warn_pch_char_signed);
- PARSE_LANGOPT_IMPORTANT(ShortWChar, diag::warn_pch_short_wchar);
- if ((PPLangOpts.getGCMode() != 0) != (LangOpts.getGCMode() != 0)) {
- Reader.Diag(diag::warn_pch_gc_mode)
- << LangOpts.getGCMode() << PPLangOpts.getGCMode();
- return true;
- }
- PARSE_LANGOPT_BENIGN(getVisibilityMode());
- PARSE_LANGOPT_IMPORTANT(getStackProtectorMode(),
- diag::warn_pch_stack_protector);
- PARSE_LANGOPT_BENIGN(InstantiationDepth);
- PARSE_LANGOPT_IMPORTANT(OpenCL, diag::warn_pch_opencl);
- PARSE_LANGOPT_BENIGN(CatchUndefined);
- PARSE_LANGOPT_IMPORTANT(ElideConstructors, diag::warn_pch_elide_constructors);
- PARSE_LANGOPT_BENIGN(SpellChecking);
-#undef PARSE_LANGOPT_IMPORTANT
-#undef PARSE_LANGOPT_BENIGN
-
- return false;
-}
-
-bool PCHValidator::ReadTargetTriple(llvm::StringRef Triple) {
- if (Triple == PP.getTargetInfo().getTriple().str())
- return false;
-
- Reader.Diag(diag::warn_pch_target_triple)
- << Triple << PP.getTargetInfo().getTriple().str();
- return true;
-}
-
-struct EmptyStringRef {
- bool operator ()(llvm::StringRef r) const { return r.empty(); }
-};
-struct EmptyBlock {
- bool operator ()(const PCHPredefinesBlock &r) const { return r.Data.empty(); }
-};
-
-static bool EqualConcatenations(llvm::SmallVector<llvm::StringRef, 2> L,
- PCHPredefinesBlocks R) {
- // First, sum up the lengths.
- unsigned LL = 0, RL = 0;
- for (unsigned I = 0, N = L.size(); I != N; ++I) {
- LL += L[I].size();
- }
- for (unsigned I = 0, N = R.size(); I != N; ++I) {
- RL += R[I].Data.size();
- }
- if (LL != RL)
- return false;
- if (LL == 0 && RL == 0)
- return true;
-
- // Kick out empty parts, they confuse the algorithm below.
- L.erase(std::remove_if(L.begin(), L.end(), EmptyStringRef()), L.end());
- R.erase(std::remove_if(R.begin(), R.end(), EmptyBlock()), R.end());
-
- // Do it the hard way. At this point, both vectors must be non-empty.
- llvm::StringRef LR = L[0], RR = R[0].Data;
- unsigned LI = 0, RI = 0, LN = L.size(), RN = R.size();
- (void) RN;
- for (;;) {
- // Compare the current pieces.
- if (LR.size() == RR.size()) {
- // If they're the same length, it's pretty easy.
- if (LR != RR)
- return false;
- // Both pieces are done, advance.
- ++LI;
- ++RI;
- // If either string is done, they're both done, since they're the same
- // length.
- if (LI == LN) {
- assert(RI == RN && "Strings not the same length after all?");
- return true;
- }
- LR = L[LI];
- RR = R[RI].Data;
- } else if (LR.size() < RR.size()) {
- // Right piece is longer.
- if (!RR.startswith(LR))
- return false;
- ++LI;
- assert(LI != LN && "Strings not the same length after all?");
- RR = RR.substr(LR.size());
- LR = L[LI];
- } else {
- // Left piece is longer.
- if (!LR.startswith(RR))
- return false;
- ++RI;
- assert(RI != RN && "Strings not the same length after all?");
- LR = LR.substr(RR.size());
- RR = R[RI].Data;
- }
- }
-}
-
-static std::pair<FileID, llvm::StringRef::size_type>
-FindMacro(const PCHPredefinesBlocks &Buffers, llvm::StringRef MacroDef) {
- std::pair<FileID, llvm::StringRef::size_type> Res;
- for (unsigned I = 0, N = Buffers.size(); I != N; ++I) {
- Res.second = Buffers[I].Data.find(MacroDef);
- if (Res.second != llvm::StringRef::npos) {
- Res.first = Buffers[I].BufferID;
- break;
- }
- }
- return Res;
-}
-
-bool PCHValidator::ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
- llvm::StringRef OriginalFileName,
- std::string &SuggestedPredefines) {
- // We are in the context of an implicit include, so the predefines buffer will
- // have a #include entry for the PCH file itself (as normalized by the
- // preprocessor initialization). Find it and skip over it in the checking
- // below.
- llvm::SmallString<256> PCHInclude;
- PCHInclude += "#include \"";
- PCHInclude += NormalizeDashIncludePath(OriginalFileName);
- PCHInclude += "\"\n";
- std::pair<llvm::StringRef,llvm::StringRef> Split =
- llvm::StringRef(PP.getPredefines()).split(PCHInclude.str());
- llvm::StringRef Left = Split.first, Right = Split.second;
- if (Left == PP.getPredefines()) {
- Error("Missing PCH include entry!");
- return true;
- }
-
- // If the concatenation of all the PCH buffers is equal to the adjusted
- // command line, we're done.
- llvm::SmallVector<llvm::StringRef, 2> CommandLine;
- CommandLine.push_back(Left);
- CommandLine.push_back(Right);
- if (EqualConcatenations(CommandLine, Buffers))
- return false;
-
- SourceManager &SourceMgr = PP.getSourceManager();
-
- // The predefines buffers are different. Determine what the differences are,
- // and whether they require us to reject the PCH file.
- llvm::SmallVector<llvm::StringRef, 8> PCHLines;
- for (unsigned I = 0, N = Buffers.size(); I != N; ++I)
- Buffers[I].Data.split(PCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
-
- llvm::SmallVector<llvm::StringRef, 8> CmdLineLines;
- Left.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
- Right.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
-
- // Sort both sets of predefined buffer lines, since we allow some extra
- // definitions and they may appear at any point in the output.
- std::sort(CmdLineLines.begin(), CmdLineLines.end());
- std::sort(PCHLines.begin(), PCHLines.end());
-
- // Determine which predefines that were used to build the PCH file are missing
- // from the command line.
- std::vector<llvm::StringRef> MissingPredefines;
- std::set_difference(PCHLines.begin(), PCHLines.end(),
- CmdLineLines.begin(), CmdLineLines.end(),
- std::back_inserter(MissingPredefines));
-
- bool MissingDefines = false;
- bool ConflictingDefines = false;
- for (unsigned I = 0, N = MissingPredefines.size(); I != N; ++I) {
- llvm::StringRef Missing = MissingPredefines[I];
- if (!Missing.startswith("#define ")) {
- Reader.Diag(diag::warn_pch_compiler_options_mismatch);
- return true;
- }
-
- // This is a macro definition. Determine the name of the macro we're
- // defining.
- std::string::size_type StartOfMacroName = strlen("#define ");
- std::string::size_type EndOfMacroName
- = Missing.find_first_of("( \n\r", StartOfMacroName);
- assert(EndOfMacroName != std::string::npos &&
- "Couldn't find the end of the macro name");
- llvm::StringRef MacroName = Missing.slice(StartOfMacroName, EndOfMacroName);
-
- // Determine whether this macro was given a different definition on the
- // command line.
- std::string MacroDefStart = "#define " + MacroName.str();
- std::string::size_type MacroDefLen = MacroDefStart.size();
- llvm::SmallVector<llvm::StringRef, 8>::iterator ConflictPos
- = std::lower_bound(CmdLineLines.begin(), CmdLineLines.end(),
- MacroDefStart);
- for (; ConflictPos != CmdLineLines.end(); ++ConflictPos) {
- if (!ConflictPos->startswith(MacroDefStart)) {
- // Different macro; we're done.
- ConflictPos = CmdLineLines.end();
- break;
- }
-
- assert(ConflictPos->size() > MacroDefLen &&
- "Invalid #define in predefines buffer?");
- if ((*ConflictPos)[MacroDefLen] != ' ' &&
- (*ConflictPos)[MacroDefLen] != '(')
- continue; // Longer macro name; keep trying.
-
- // We found a conflicting macro definition.
- break;
- }
-
- if (ConflictPos != CmdLineLines.end()) {
- Reader.Diag(diag::warn_cmdline_conflicting_macro_def)
- << MacroName;
-
- // Show the definition of this macro within the PCH file.
- std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
- FindMacro(Buffers, Missing);
- assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
- SourceLocation PCHMissingLoc =
- SourceMgr.getLocForStartOfFile(MacroLoc.first)
- .getFileLocWithOffset(MacroLoc.second);
- Reader.Diag(PCHMissingLoc, diag::note_pch_macro_defined_as) << MacroName;
-
- ConflictingDefines = true;
- continue;
- }
-
- // If the macro doesn't conflict, then we'll just pick up the macro
- // definition from the PCH file. Warn the user that they made a mistake.
- if (ConflictingDefines)
- continue; // Don't complain if there are already conflicting defs
-
- if (!MissingDefines) {
- Reader.Diag(diag::warn_cmdline_missing_macro_defs);
- MissingDefines = true;
- }
-
- // Show the definition of this macro within the PCH file.
- std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
- FindMacro(Buffers, Missing);
- assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
- SourceLocation PCHMissingLoc =
- SourceMgr.getLocForStartOfFile(MacroLoc.first)
- .getFileLocWithOffset(MacroLoc.second);
- Reader.Diag(PCHMissingLoc, diag::note_using_macro_def_from_pch);
- }
-
- if (ConflictingDefines)
- return true;
-
- // Determine what predefines were introduced based on command-line
- // parameters that were not present when building the PCH
- // file. Extra #defines are okay, so long as the identifiers being
- // defined were not used within the precompiled header.
- std::vector<llvm::StringRef> ExtraPredefines;
- std::set_difference(CmdLineLines.begin(), CmdLineLines.end(),
- PCHLines.begin(), PCHLines.end(),
- std::back_inserter(ExtraPredefines));
- for (unsigned I = 0, N = ExtraPredefines.size(); I != N; ++I) {
- llvm::StringRef &Extra = ExtraPredefines[I];
- if (!Extra.startswith("#define ")) {
- Reader.Diag(diag::warn_pch_compiler_options_mismatch);
- return true;
- }
-
- // This is an extra macro definition. Determine the name of the
- // macro we're defining.
- std::string::size_type StartOfMacroName = strlen("#define ");
- std::string::size_type EndOfMacroName
- = Extra.find_first_of("( \n\r", StartOfMacroName);
- assert(EndOfMacroName != std::string::npos &&
- "Couldn't find the end of the macro name");
- llvm::StringRef MacroName = Extra.slice(StartOfMacroName, EndOfMacroName);
-
- // Check whether this name was used somewhere in the PCH file. If
- // so, defining it as a macro could change behavior, so we reject
- // the PCH file.
- if (IdentifierInfo *II = Reader.get(MacroName)) {
- Reader.Diag(diag::warn_macro_name_used_in_pch) << II;
- return true;
- }
-
- // Add this definition to the suggested predefines buffer.
- SuggestedPredefines += Extra;
- SuggestedPredefines += '\n';
- }
-
- // If we get here, it's because the predefines buffer had compatible
- // contents. Accept the PCH file.
- return false;
-}
-
-void PCHValidator::ReadHeaderFileInfo(const HeaderFileInfo &HFI,
- unsigned ID) {
- PP.getHeaderSearchInfo().setHeaderFileInfoForUID(HFI, ID);
- ++NumHeaderInfos;
-}
-
-void PCHValidator::ReadCounter(unsigned Value) {
- PP.setCounterValue(Value);
-}
-
-//===----------------------------------------------------------------------===//
-// AST reader implementation
-//===----------------------------------------------------------------------===//
-
-ASTReader::ASTReader(Preprocessor &PP, ASTContext *Context,
- const char *isysroot, bool DisableValidation)
- : Listener(new PCHValidator(PP, *this)), DeserializationListener(0),
- SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()),
- Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(Context),
- Consumer(0), isysroot(isysroot), DisableValidation(DisableValidation),
- NumStatHits(0), NumStatMisses(0), NumSLocEntriesRead(0),
- TotalNumSLocEntries(0), NumStatementsRead(0), TotalNumStatements(0),
- NumMacrosRead(0), TotalNumMacros(0), NumSelectorsRead(0),
- NumMethodPoolEntriesRead(0), NumMethodPoolMisses(0),
- TotalNumMethodPoolEntries(0), NumLexicalDeclContextsRead(0),
- TotalLexicalDeclContexts(0), NumVisibleDeclContextsRead(0),
- TotalVisibleDeclContexts(0), NumCurrentElementsDeserializing(0) {
- RelocatablePCH = false;
-}
-
-ASTReader::ASTReader(SourceManager &SourceMgr, FileManager &FileMgr,
- Diagnostic &Diags, const char *isysroot,
- bool DisableValidation)
- : DeserializationListener(0), SourceMgr(SourceMgr), FileMgr(FileMgr),
- Diags(Diags), SemaObj(0), PP(0), Context(0), Consumer(0),
- isysroot(isysroot), DisableValidation(DisableValidation), NumStatHits(0),
- NumStatMisses(0), NumSLocEntriesRead(0), TotalNumSLocEntries(0),
- NumStatementsRead(0), TotalNumStatements(0), NumMacrosRead(0),
- TotalNumMacros(0), NumSelectorsRead(0), NumMethodPoolEntriesRead(0),
- NumMethodPoolMisses(0), TotalNumMethodPoolEntries(0),
- NumLexicalDeclContextsRead(0), TotalLexicalDeclContexts(0),
- NumVisibleDeclContextsRead(0), TotalVisibleDeclContexts(0),
- NumCurrentElementsDeserializing(0) {
- RelocatablePCH = false;
-}
-
-ASTReader::~ASTReader() {
- for (unsigned i = 0, e = Chain.size(); i != e; ++i)
- delete Chain[e - i - 1];
-}
-
-ASTReader::PerFileData::PerFileData()
- : StatCache(0), LocalNumSLocEntries(0), LocalNumTypes(0), TypeOffsets(0),
- LocalNumDecls(0), DeclOffsets(0), LocalNumIdentifiers(0),
- IdentifierOffsets(0), IdentifierTableData(0), IdentifierLookupTable(0),
- LocalNumMacroDefinitions(0), MacroDefinitionOffsets(0),
- NumPreallocatedPreprocessingEntities(0), SelectorLookupTable(0),
- SelectorLookupTableData(0), SelectorOffsets(0), LocalNumSelectors(0)
-{}
-
-void
-ASTReader::setDeserializationListener(ASTDeserializationListener *Listener) {
- DeserializationListener = Listener;
- if (DeserializationListener)
- DeserializationListener->SetReader(this);
-}
-
-
-namespace {
-class ASTSelectorLookupTrait {
- ASTReader &Reader;
-
-public:
- struct data_type {
- pch::SelectorID ID;
- ObjCMethodList Instance, Factory;
- };
-
- typedef Selector external_key_type;
- typedef external_key_type internal_key_type;
-
- explicit ASTSelectorLookupTrait(ASTReader &Reader) : Reader(Reader) { }
-
- static bool EqualKey(const internal_key_type& a,
- const internal_key_type& b) {
- return a == b;
- }
-
- static unsigned ComputeHash(Selector Sel) {
- unsigned N = Sel.getNumArgs();
- if (N == 0)
- ++N;
- unsigned R = 5381;
- for (unsigned I = 0; I != N; ++I)
- if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
- R = llvm::HashString(II->getName(), R);
- return R;
- }
-
- // This hopefully will just get inlined and removed by the optimizer.
- static const internal_key_type&
- GetInternalKey(const external_key_type& x) { return x; }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- using namespace clang::io;
- unsigned KeyLen = ReadUnalignedLE16(d);
- unsigned DataLen = ReadUnalignedLE16(d);
- return std::make_pair(KeyLen, DataLen);
- }
-
- internal_key_type ReadKey(const unsigned char* d, unsigned) {
- using namespace clang::io;
- SelectorTable &SelTable = Reader.getContext()->Selectors;
- unsigned N = ReadUnalignedLE16(d);
- IdentifierInfo *FirstII
- = Reader.DecodeIdentifierInfo(ReadUnalignedLE32(d));
- if (N == 0)
- return SelTable.getNullarySelector(FirstII);
- else if (N == 1)
- return SelTable.getUnarySelector(FirstII);
-
- llvm::SmallVector<IdentifierInfo *, 16> Args;
- Args.push_back(FirstII);
- for (unsigned I = 1; I != N; ++I)
- Args.push_back(Reader.DecodeIdentifierInfo(ReadUnalignedLE32(d)));
-
- return SelTable.getSelector(N, Args.data());
- }
-
- data_type ReadData(Selector, const unsigned char* d, unsigned DataLen) {
- using namespace clang::io;
-
- data_type Result;
-
- Result.ID = ReadUnalignedLE32(d);
- unsigned NumInstanceMethods = ReadUnalignedLE16(d);
- unsigned NumFactoryMethods = ReadUnalignedLE16(d);
-
- // Load instance methods
- ObjCMethodList *Prev = 0;
- for (unsigned I = 0; I != NumInstanceMethods; ++I) {
- ObjCMethodDecl *Method
- = cast<ObjCMethodDecl>(Reader.GetDecl(ReadUnalignedLE32(d)));
- if (!Result.Instance.Method) {
- // This is the first method, which is the easy case.
- Result.Instance.Method = Method;
- Prev = &Result.Instance;
- continue;
- }
-
- ObjCMethodList *Mem =
- Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>();
- Prev->Next = new (Mem) ObjCMethodList(Method, 0);
- Prev = Prev->Next;
- }
-
- // Load factory methods
- Prev = 0;
- for (unsigned I = 0; I != NumFactoryMethods; ++I) {
- ObjCMethodDecl *Method
- = cast<ObjCMethodDecl>(Reader.GetDecl(ReadUnalignedLE32(d)));
- if (!Result.Factory.Method) {
- // This is the first method, which is the easy case.
- Result.Factory.Method = Method;
- Prev = &Result.Factory;
- continue;
- }
-
- ObjCMethodList *Mem =
- Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>();
- Prev->Next = new (Mem) ObjCMethodList(Method, 0);
- Prev = Prev->Next;
- }
-
- return Result;
- }
-};
-
-} // end anonymous namespace
-
-/// \brief The on-disk hash table used for the global method pool.
-typedef OnDiskChainedHashTable<ASTSelectorLookupTrait>
- ASTSelectorLookupTable;
-
-namespace {
-class ASTIdentifierLookupTrait {
- ASTReader &Reader;
- llvm::BitstreamCursor &Stream;
-
- // If we know the IdentifierInfo in advance, it is here and we will
- // not build a new one. Used when deserializing information about an
- // identifier that was constructed before the AST file was read.
- IdentifierInfo *KnownII;
-
-public:
- typedef IdentifierInfo * data_type;
-
- typedef const std::pair<const char*, unsigned> external_key_type;
-
- typedef external_key_type internal_key_type;
-
- ASTIdentifierLookupTrait(ASTReader &Reader, llvm::BitstreamCursor &Stream,
- IdentifierInfo *II = 0)
- : Reader(Reader), Stream(Stream), KnownII(II) { }
-
- static bool EqualKey(const internal_key_type& a,
- const internal_key_type& b) {
- return (a.second == b.second) ? memcmp(a.first, b.first, a.second) == 0
- : false;
- }
-
- static unsigned ComputeHash(const internal_key_type& a) {
- return llvm::HashString(llvm::StringRef(a.first, a.second));
- }
-
- // This hopefully will just get inlined and removed by the optimizer.
- static const internal_key_type&
- GetInternalKey(const external_key_type& x) { return x; }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- using namespace clang::io;
- unsigned DataLen = ReadUnalignedLE16(d);
- unsigned KeyLen = ReadUnalignedLE16(d);
- return std::make_pair(KeyLen, DataLen);
- }
-
- static std::pair<const char*, unsigned>
- ReadKey(const unsigned char* d, unsigned n) {
- assert(n >= 2 && d[n-1] == '\0');
- return std::make_pair((const char*) d, n-1);
- }
-
- IdentifierInfo *ReadData(const internal_key_type& k,
- const unsigned char* d,
- unsigned DataLen) {
- using namespace clang::io;
- pch::IdentID ID = ReadUnalignedLE32(d);
- bool IsInteresting = ID & 0x01;
-
- // Wipe out the "is interesting" bit.
- ID = ID >> 1;
-
- if (!IsInteresting) {
- // For uninteresting identifiers, just build the IdentifierInfo
- // and associate it with the persistent ID.
- IdentifierInfo *II = KnownII;
- if (!II)
- II = &Reader.getIdentifierTable().getOwn(k.first, k.first + k.second);
- Reader.SetIdentifierInfo(ID, II);
- II->setIsFromAST();
- return II;
- }
-
- unsigned Bits = ReadUnalignedLE16(d);
- bool CPlusPlusOperatorKeyword = Bits & 0x01;
- Bits >>= 1;
- bool HasRevertedTokenIDToIdentifier = Bits & 0x01;
- Bits >>= 1;
- bool Poisoned = Bits & 0x01;
- Bits >>= 1;
- bool ExtensionToken = Bits & 0x01;
- Bits >>= 1;
- bool hasMacroDefinition = Bits & 0x01;
- Bits >>= 1;
- unsigned ObjCOrBuiltinID = Bits & 0x3FF;
- Bits >>= 10;
-
- assert(Bits == 0 && "Extra bits in the identifier?");
- DataLen -= 6;
-
- // Build the IdentifierInfo itself and link the identifier ID with
- // the new IdentifierInfo.
- IdentifierInfo *II = KnownII;
- if (!II)
- II = &Reader.getIdentifierTable().getOwn(k.first, k.first + k.second);
- Reader.SetIdentifierInfo(ID, II);
-
- // Set or check the various bits in the IdentifierInfo structure.
- // Token IDs are read-only.
- if (HasRevertedTokenIDToIdentifier)
- II->RevertTokenIDToIdentifier();
- II->setObjCOrBuiltinID(ObjCOrBuiltinID);
- assert(II->isExtensionToken() == ExtensionToken &&
- "Incorrect extension token flag");
- (void)ExtensionToken;
- II->setIsPoisoned(Poisoned);
- assert(II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword &&
- "Incorrect C++ operator keyword flag");
- (void)CPlusPlusOperatorKeyword;
-
- // If this identifier is a macro, deserialize the macro
- // definition.
- if (hasMacroDefinition) {
- uint32_t Offset = ReadUnalignedLE32(d);
- Reader.ReadMacroRecord(Stream, Offset);
- DataLen -= 4;
- }
-
- // Read all of the declarations visible at global scope with this
- // name.
- if (Reader.getContext() == 0) return II;
- if (DataLen > 0) {
- llvm::SmallVector<uint32_t, 4> DeclIDs;
- for (; DataLen > 0; DataLen -= 4)
- DeclIDs.push_back(ReadUnalignedLE32(d));
- Reader.SetGloballyVisibleDecls(II, DeclIDs);
- }
-
- II->setIsFromAST();
- return II;
- }
-};
-
-} // end anonymous namespace
-
-/// \brief The on-disk hash table used to contain information about
-/// all of the identifiers in the program.
-typedef OnDiskChainedHashTable<ASTIdentifierLookupTrait>
- ASTIdentifierLookupTable;
-
-void ASTReader::Error(const char *Msg) {
- Diag(diag::err_fe_pch_malformed) << Msg;
-}
-
-/// \brief Tell the AST listener about the predefines buffers in the chain.
-bool ASTReader::CheckPredefinesBuffers() {
- if (Listener)
- return Listener->ReadPredefinesBuffer(PCHPredefinesBuffers,
- ActualOriginalFileName,
- SuggestedPredefines);
- return false;
-}
-
-//===----------------------------------------------------------------------===//
-// Source Manager Deserialization
-//===----------------------------------------------------------------------===//
-
-/// \brief Read the line table in the source manager block.
-/// \returns true if ther was an error.
-bool ASTReader::ParseLineTable(llvm::SmallVectorImpl<uint64_t> &Record) {
- unsigned Idx = 0;
- LineTableInfo &LineTable = SourceMgr.getLineTable();
-
- // Parse the file names
- std::map<int, int> FileIDs;
- for (int I = 0, N = Record[Idx++]; I != N; ++I) {
- // Extract the file name
- unsigned FilenameLen = Record[Idx++];
- std::string Filename(&Record[Idx], &Record[Idx] + FilenameLen);
- Idx += FilenameLen;
- MaybeAddSystemRootToFilename(Filename);
- FileIDs[I] = LineTable.getLineTableFilenameID(Filename.c_str(),
- Filename.size());
- }
-
- // Parse the line entries
- std::vector<LineEntry> Entries;
- while (Idx < Record.size()) {
- int FID = Record[Idx++];
-
- // Extract the line entries
- unsigned NumEntries = Record[Idx++];
- assert(NumEntries && "Numentries is 00000");
- Entries.clear();
- Entries.reserve(NumEntries);
- for (unsigned I = 0; I != NumEntries; ++I) {
- unsigned FileOffset = Record[Idx++];
- unsigned LineNo = Record[Idx++];
- int FilenameID = FileIDs[Record[Idx++]];
- SrcMgr::CharacteristicKind FileKind
- = (SrcMgr::CharacteristicKind)Record[Idx++];
- unsigned IncludeOffset = Record[Idx++];
- Entries.push_back(LineEntry::get(FileOffset, LineNo, FilenameID,
- FileKind, IncludeOffset));
- }
- LineTable.AddEntry(FID, Entries);
- }
-
- return false;
-}
-
-namespace {
-
-class ASTStatData {
-public:
- const bool hasStat;
- const ino_t ino;
- const dev_t dev;
- const mode_t mode;
- const time_t mtime;
- const off_t size;
-
- ASTStatData(ino_t i, dev_t d, mode_t mo, time_t m, off_t s)
- : hasStat(true), ino(i), dev(d), mode(mo), mtime(m), size(s) {}
-
- ASTStatData()
- : hasStat(false), ino(0), dev(0), mode(0), mtime(0), size(0) {}
-};
-
-class ASTStatLookupTrait {
- public:
- typedef const char *external_key_type;
- typedef const char *internal_key_type;
-
- typedef ASTStatData data_type;
-
- static unsigned ComputeHash(const char *path) {
- return llvm::HashString(path);
- }
-
- static internal_key_type GetInternalKey(const char *path) { return path; }
-
- static bool EqualKey(internal_key_type a, internal_key_type b) {
- return strcmp(a, b) == 0;
- }
-
- static std::pair<unsigned, unsigned>
- ReadKeyDataLength(const unsigned char*& d) {
- unsigned KeyLen = (unsigned) clang::io::ReadUnalignedLE16(d);
- unsigned DataLen = (unsigned) *d++;
- return std::make_pair(KeyLen + 1, DataLen);
- }
-
- static internal_key_type ReadKey(const unsigned char *d, unsigned) {
- return (const char *)d;
- }
-
- static data_type ReadData(const internal_key_type, const unsigned char *d,
- unsigned /*DataLen*/) {
- using namespace clang::io;
-
- if (*d++ == 1)
- return data_type();
-
- ino_t ino = (ino_t) ReadUnalignedLE32(d);
- dev_t dev = (dev_t) ReadUnalignedLE32(d);
- mode_t mode = (mode_t) ReadUnalignedLE16(d);
- time_t mtime = (time_t) ReadUnalignedLE64(d);
- off_t size = (off_t) ReadUnalignedLE64(d);
- return data_type(ino, dev, mode, mtime, size);
- }
-};
-
-/// \brief stat() cache for precompiled headers.
-///
-/// This cache is very similar to the stat cache used by pretokenized
-/// headers.
-class ASTStatCache : public StatSysCallCache {
- typedef OnDiskChainedHashTable<ASTStatLookupTrait> CacheTy;
- CacheTy *Cache;
-
- unsigned &NumStatHits, &NumStatMisses;
-public:
- ASTStatCache(const unsigned char *Buckets,
- const unsigned char *Base,
- unsigned &NumStatHits,
- unsigned &NumStatMisses)
- : Cache(0), NumStatHits(NumStatHits), NumStatMisses(NumStatMisses) {
- Cache = CacheTy::Create(Buckets, Base);
- }
-
- ~ASTStatCache() { delete Cache; }
-
- int stat(const char *path, struct stat *buf) {
- // Do the lookup for the file's data in the AST file.
- CacheTy::iterator I = Cache->find(path);
-
- // If we don't get a hit in the AST file just forward to 'stat'.
- if (I == Cache->end()) {
- ++NumStatMisses;
- return StatSysCallCache::stat(path, buf);
- }
-
- ++NumStatHits;
- ASTStatData Data = *I;
-
- if (!Data.hasStat)
- return 1;
-
- buf->st_ino = Data.ino;
- buf->st_dev = Data.dev;
- buf->st_mtime = Data.mtime;
- buf->st_mode = Data.mode;
- buf->st_size = Data.size;
- return 0;
- }
-};
-} // end anonymous namespace
-
-
-/// \brief Read a source manager block
-ASTReader::ASTReadResult ASTReader::ReadSourceManagerBlock(PerFileData &F) {
- using namespace SrcMgr;
-
- llvm::BitstreamCursor &SLocEntryCursor = F.SLocEntryCursor;
-
- // Set the source-location entry cursor to the current position in
- // the stream. This cursor will be used to read the contents of the
- // source manager block initially, and then lazily read
- // source-location entries as needed.
- SLocEntryCursor = F.Stream;
-
- // The stream itself is going to skip over the source manager block.
- if (F.Stream.SkipBlock()) {
- Error("malformed block record in AST file");
- return Failure;
- }
-
- // Enter the source manager block.
- if (SLocEntryCursor.EnterSubBlock(pch::SOURCE_MANAGER_BLOCK_ID)) {
- Error("malformed source manager block record in AST file");
- return Failure;
- }
-
- RecordData Record;
- while (true) {
- unsigned Code = SLocEntryCursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (SLocEntryCursor.ReadBlockEnd()) {
- Error("error at end of Source Manager block in AST file");
- return Failure;
- }
- return Success;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- SLocEntryCursor.ReadSubBlockID();
- if (SLocEntryCursor.SkipBlock()) {
- Error("malformed block record in AST file");
- return Failure;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- SLocEntryCursor.ReadAbbrevRecord();
- continue;
- }
-
- // Read a record.
- const char *BlobStart;
- unsigned BlobLen;
- Record.clear();
- switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::SM_LINE_TABLE:
- if (ParseLineTable(Record))
- return Failure;
- break;
-
- case pch::SM_SLOC_FILE_ENTRY:
- case pch::SM_SLOC_BUFFER_ENTRY:
- case pch::SM_SLOC_INSTANTIATION_ENTRY:
- // Once we hit one of the source location entries, we're done.
- return Success;
- }
- }
-}
-
-/// \brief Get a cursor that's correctly positioned for reading the source
-/// location entry with the given ID.
-llvm::BitstreamCursor &ASTReader::SLocCursorForID(unsigned ID) {
- assert(ID != 0 && ID <= TotalNumSLocEntries &&
- "SLocCursorForID should only be called for real IDs.");
-
- ID -= 1;
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (ID < F->LocalNumSLocEntries)
- break;
- ID -= F->LocalNumSLocEntries;
- }
- assert(F && F->LocalNumSLocEntries > ID && "Chain corrupted");
-
- F->SLocEntryCursor.JumpToBit(F->SLocOffsets[ID]);
- return F->SLocEntryCursor;
-}
-
-/// \brief Read in the source location entry with the given ID.
-ASTReader::ASTReadResult ASTReader::ReadSLocEntryRecord(unsigned ID) {
- if (ID == 0)
- return Success;
-
- if (ID > TotalNumSLocEntries) {
- Error("source location entry ID out-of-range for AST file");
- return Failure;
- }
-
- llvm::BitstreamCursor &SLocEntryCursor = SLocCursorForID(ID);
-
- ++NumSLocEntriesRead;
- unsigned Code = SLocEntryCursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK ||
- Code == llvm::bitc::ENTER_SUBBLOCK ||
- Code == llvm::bitc::DEFINE_ABBREV) {
- Error("incorrectly-formatted source location entry in AST file");
- return Failure;
- }
-
- RecordData Record;
- const char *BlobStart;
- unsigned BlobLen;
- switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default:
- Error("incorrectly-formatted source location entry in AST file");
- return Failure;
-
- case pch::SM_SLOC_FILE_ENTRY: {
- std::string Filename(BlobStart, BlobStart + BlobLen);
- MaybeAddSystemRootToFilename(Filename);
- const FileEntry *File = FileMgr.getFile(Filename);
- if (File == 0) {
- std::string ErrorStr = "could not find file '";
- ErrorStr += Filename;
- ErrorStr += "' referenced by AST file";
- Error(ErrorStr.c_str());
- return Failure;
- }
-
- if (Record.size() < 10) {
- Error("source location entry is incorrect");
- return Failure;
- }
-
- if (!DisableValidation &&
- ((off_t)Record[4] != File->getSize()
-#if !defined(LLVM_ON_WIN32)
- // In our regression testing, the Windows file system seems to
- // have inconsistent modification times that sometimes
- // erroneously trigger this error-handling path.
- || (time_t)Record[5] != File->getModificationTime()
-#endif
- )) {
- Diag(diag::err_fe_pch_file_modified)
- << Filename;
- return Failure;
- }
-
- FileID FID = SourceMgr.createFileID(File,
- SourceLocation::getFromRawEncoding(Record[1]),
- (SrcMgr::CharacteristicKind)Record[2],
- ID, Record[0]);
- if (Record[3])
- const_cast<SrcMgr::FileInfo&>(SourceMgr.getSLocEntry(FID).getFile())
- .setHasLineDirectives();
-
- // Reconstruct header-search information for this file.
- HeaderFileInfo HFI;
- HFI.isImport = Record[6];
- HFI.DirInfo = Record[7];
- HFI.NumIncludes = Record[8];
- HFI.ControllingMacroID = Record[9];
- if (Listener)
- Listener->ReadHeaderFileInfo(HFI, File->getUID());
- break;
- }
-
- case pch::SM_SLOC_BUFFER_ENTRY: {
- const char *Name = BlobStart;
- unsigned Offset = Record[0];
- unsigned Code = SLocEntryCursor.ReadCode();
- Record.clear();
- unsigned RecCode
- = SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen);
-
- if (RecCode != pch::SM_SLOC_BUFFER_BLOB) {
- Error("AST record has invalid code");
- return Failure;
- }
-
- llvm::MemoryBuffer *Buffer
- = llvm::MemoryBuffer::getMemBuffer(llvm::StringRef(BlobStart, BlobLen - 1),
- Name);
- FileID BufferID = SourceMgr.createFileIDForMemBuffer(Buffer, ID, Offset);
-
- if (strcmp(Name, "<built-in>") == 0) {
- PCHPredefinesBlock Block = {
- BufferID,
- llvm::StringRef(BlobStart, BlobLen - 1)
- };
- PCHPredefinesBuffers.push_back(Block);
- }
-
- break;
- }
-
- case pch::SM_SLOC_INSTANTIATION_ENTRY: {
- SourceLocation SpellingLoc
- = SourceLocation::getFromRawEncoding(Record[1]);
- SourceMgr.createInstantiationLoc(SpellingLoc,
- SourceLocation::getFromRawEncoding(Record[2]),
- SourceLocation::getFromRawEncoding(Record[3]),
- Record[4],
- ID,
- Record[0]);
- break;
- }
- }
-
- return Success;
-}
-
-/// ReadBlockAbbrevs - Enter a subblock of the specified BlockID with the
-/// specified cursor. Read the abbreviations that are at the top of the block
-/// and then leave the cursor pointing into the block.
-bool ASTReader::ReadBlockAbbrevs(llvm::BitstreamCursor &Cursor,
- unsigned BlockID) {
- if (Cursor.EnterSubBlock(BlockID)) {
- Error("malformed block record in AST file");
- return Failure;
- }
-
- while (true) {
- unsigned Code = Cursor.ReadCode();
-
- // We expect all abbrevs to be at the start of the block.
- if (Code != llvm::bitc::DEFINE_ABBREV)
- return false;
- Cursor.ReadAbbrevRecord();
- }
-}
-
-void ASTReader::ReadMacroRecord(llvm::BitstreamCursor &Stream, uint64_t Offset){
- assert(PP && "Forgot to set Preprocessor ?");
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this macro.
- SavedStreamPosition SavedPosition(Stream);
-
- Stream.JumpToBit(Offset);
- RecordData Record;
- llvm::SmallVector<IdentifierInfo*, 16> MacroArgs;
- MacroInfo *Macro = 0;
-
- while (true) {
- unsigned Code = Stream.ReadCode();
- switch (Code) {
- case llvm::bitc::END_BLOCK:
- return;
-
- case llvm::bitc::ENTER_SUBBLOCK:
- // No known subblocks, always skip them.
- Stream.ReadSubBlockID();
- if (Stream.SkipBlock()) {
- Error("malformed block record in AST file");
- return;
- }
- continue;
-
- case llvm::bitc::DEFINE_ABBREV:
- Stream.ReadAbbrevRecord();
- continue;
- default: break;
- }
-
- // Read a record.
- Record.clear();
- pch::PreprocessorRecordTypes RecType =
- (pch::PreprocessorRecordTypes)Stream.ReadRecord(Code, Record);
- switch (RecType) {
- case pch::PP_MACRO_OBJECT_LIKE:
- case pch::PP_MACRO_FUNCTION_LIKE: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- IdentifierInfo *II = DecodeIdentifierInfo(Record[0]);
- if (II == 0) {
- Error("macro must have a name in AST file");
- return;
- }
- SourceLocation Loc = SourceLocation::getFromRawEncoding(Record[1]);
- bool isUsed = Record[2];
-
- MacroInfo *MI = PP->AllocateMacroInfo(Loc);
- MI->setIsUsed(isUsed);
- MI->setIsFromAST();
-
- unsigned NextIndex = 3;
- if (RecType == pch::PP_MACRO_FUNCTION_LIKE) {
- // Decode function-like macro info.
- bool isC99VarArgs = Record[3];
- bool isGNUVarArgs = Record[4];
- MacroArgs.clear();
- unsigned NumArgs = Record[5];
- NextIndex = 6 + NumArgs;
- for (unsigned i = 0; i != NumArgs; ++i)
- MacroArgs.push_back(DecodeIdentifierInfo(Record[6+i]));
-
- // Install function-like macro info.
- MI->setIsFunctionLike();
- if (isC99VarArgs) MI->setIsC99Varargs();
- if (isGNUVarArgs) MI->setIsGNUVarargs();
- MI->setArgumentList(MacroArgs.data(), MacroArgs.size(),
- PP->getPreprocessorAllocator());
- }
-
- // Finally, install the macro.
- PP->setMacroInfo(II, MI);
-
- // Remember that we saw this macro last so that we add the tokens that
- // form its body to it.
- Macro = MI;
-
- if (NextIndex + 1 == Record.size() && PP->getPreprocessingRecord()) {
- // We have a macro definition. Load it now.
- PP->getPreprocessingRecord()->RegisterMacroDefinition(Macro,
- getMacroDefinition(Record[NextIndex]));
- }
-
- ++NumMacrosRead;
- break;
- }
-
- case pch::PP_TOKEN: {
- // If we see a TOKEN before a PP_MACRO_*, then the file is
- // erroneous, just pretend we didn't see this.
- if (Macro == 0) break;
-
- Token Tok;
- Tok.startToken();
- Tok.setLocation(SourceLocation::getFromRawEncoding(Record[0]));
- Tok.setLength(Record[1]);
- if (IdentifierInfo *II = DecodeIdentifierInfo(Record[2]))
- Tok.setIdentifierInfo(II);
- Tok.setKind((tok::TokenKind)Record[3]);
- Tok.setFlag((Token::TokenFlags)Record[4]);
- Macro->AddTokenToBody(Tok);
- break;
- }
-
- case pch::PP_MACRO_INSTANTIATION: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- if (!PP->getPreprocessingRecord()) {
- Error("missing preprocessing record in AST file");
- return;
- }
-
- PreprocessingRecord &PPRec = *PP->getPreprocessingRecord();
- if (PPRec.getPreprocessedEntity(Record[0]))
- return;
-
- MacroInstantiation *MI
- = new (PPRec) MacroInstantiation(DecodeIdentifierInfo(Record[3]),
- SourceRange(
- SourceLocation::getFromRawEncoding(Record[1]),
- SourceLocation::getFromRawEncoding(Record[2])),
- getMacroDefinition(Record[4]));
- PPRec.SetPreallocatedEntity(Record[0], MI);
- return;
- }
-
- case pch::PP_MACRO_DEFINITION: {
- // If we already have a macro, that means that we've hit the end
- // of the definition of the macro we were looking for. We're
- // done.
- if (Macro)
- return;
-
- if (!PP->getPreprocessingRecord()) {
- Error("missing preprocessing record in AST file");
- return;
- }
-
- PreprocessingRecord &PPRec = *PP->getPreprocessingRecord();
- if (PPRec.getPreprocessedEntity(Record[0]))
- return;
-
- if (Record[1] >= MacroDefinitionsLoaded.size()) {
- Error("out-of-bounds macro definition record");
- return;
- }
-
- MacroDefinition *MD
- = new (PPRec) MacroDefinition(DecodeIdentifierInfo(Record[4]),
- SourceLocation::getFromRawEncoding(Record[5]),
- SourceRange(
- SourceLocation::getFromRawEncoding(Record[2]),
- SourceLocation::getFromRawEncoding(Record[3])));
- PPRec.SetPreallocatedEntity(Record[0], MD);
- MacroDefinitionsLoaded[Record[1]] = MD;
- return;
- }
- }
- }
-}
-
-void ASTReader::ReadDefinedMacros() {
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- llvm::BitstreamCursor &MacroCursor = Chain[N - I - 1]->MacroCursor;
-
- // If there was no preprocessor block, skip this file.
- if (!MacroCursor.getBitStreamReader())
- continue;
-
- llvm::BitstreamCursor Cursor = MacroCursor;
- if (Cursor.EnterSubBlock(pch::PREPROCESSOR_BLOCK_ID)) {
- Error("malformed preprocessor block record in AST file");
- return;
- }
-
- RecordData Record;
- while (true) {
- unsigned Code = Cursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Cursor.ReadBlockEnd()) {
- Error("error at end of preprocessor block in AST file");
- return;
- }
- break;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- Cursor.ReadSubBlockID();
- if (Cursor.SkipBlock()) {
- Error("malformed block record in AST file");
- return;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Cursor.ReadAbbrevRecord();
- continue;
- }
-
- // Read a record.
- const char *BlobStart;
- unsigned BlobLen;
- Record.clear();
- switch (Cursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::PP_MACRO_OBJECT_LIKE:
- case pch::PP_MACRO_FUNCTION_LIKE:
- DecodeIdentifierInfo(Record[0]);
- break;
-
- case pch::PP_TOKEN:
- // Ignore tokens.
- break;
-
- case pch::PP_MACRO_INSTANTIATION:
- case pch::PP_MACRO_DEFINITION:
- // Read the macro record.
- ReadMacroRecord(Chain[N - I - 1]->Stream, Cursor.GetCurrentBitNo());
- break;
- }
- }
- }
-}
-
-MacroDefinition *ASTReader::getMacroDefinition(pch::IdentID ID) {
- if (ID == 0 || ID >= MacroDefinitionsLoaded.size())
- return 0;
-
- if (!MacroDefinitionsLoaded[ID]) {
- unsigned Index = ID;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Index < F.LocalNumMacroDefinitions) {
- ReadMacroRecord(F.Stream, F.MacroDefinitionOffsets[Index]);
- break;
- }
- Index -= F.LocalNumMacroDefinitions;
- }
- assert(MacroDefinitionsLoaded[ID] && "Broken chain");
- }
-
- return MacroDefinitionsLoaded[ID];
-}
-
-/// \brief If we are loading a relocatable PCH file, and the filename is
-/// not an absolute path, add the system root to the beginning of the file
-/// name.
-void ASTReader::MaybeAddSystemRootToFilename(std::string &Filename) {
- // If this is not a relocatable PCH file, there's nothing to do.
- if (!RelocatablePCH)
- return;
-
- if (Filename.empty() || llvm::sys::Path(Filename).isAbsolute())
- return;
-
- if (isysroot == 0) {
- // If no system root was given, default to '/'
- Filename.insert(Filename.begin(), '/');
- return;
- }
-
- unsigned Length = strlen(isysroot);
- if (isysroot[Length - 1] != '/')
- Filename.insert(Filename.begin(), '/');
-
- Filename.insert(Filename.begin(), isysroot, isysroot + Length);
-}
-
-ASTReader::ASTReadResult
-ASTReader::ReadASTBlock(PerFileData &F) {
- llvm::BitstreamCursor &Stream = F.Stream;
-
- if (Stream.EnterSubBlock(pch::PCH_BLOCK_ID)) {
- Error("malformed block record in AST file");
- return Failure;
- }
-
- // Read all of the records and blocks for the ASt file.
- RecordData Record;
- bool First = true;
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Stream.ReadBlockEnd()) {
- Error("error at end of module block in AST file");
- return Failure;
- }
-
- return Success;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- switch (Stream.ReadSubBlockID()) {
- case pch::DECLTYPES_BLOCK_ID:
- // We lazily load the decls block, but we want to set up the
- // DeclsCursor cursor to point into it. Clone our current bitcode
- // cursor to it, enter the block and read the abbrevs in that block.
- // With the main cursor, we just skip over it.
- F.DeclsCursor = Stream;
- if (Stream.SkipBlock() || // Skip with the main cursor.
- // Read the abbrevs.
- ReadBlockAbbrevs(F.DeclsCursor, pch::DECLTYPES_BLOCK_ID)) {
- Error("malformed block record in AST file");
- return Failure;
- }
- break;
-
- case pch::PREPROCESSOR_BLOCK_ID:
- F.MacroCursor = Stream;
- if (PP)
- PP->setExternalSource(this);
-
- if (Stream.SkipBlock()) {
- Error("malformed block record in AST file");
- return Failure;
- }
- break;
-
- case pch::SOURCE_MANAGER_BLOCK_ID:
- switch (ReadSourceManagerBlock(F)) {
- case Success:
- break;
-
- case Failure:
- Error("malformed source manager block in AST file");
- return Failure;
-
- case IgnorePCH:
- return IgnorePCH;
- }
- break;
- }
- First = false;
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Stream.ReadAbbrevRecord();
- continue;
- }
-
- // Read and process a record.
- Record.clear();
- const char *BlobStart = 0;
- unsigned BlobLen = 0;
- switch ((pch::PCHRecordTypes)Stream.ReadRecord(Code, Record,
- &BlobStart, &BlobLen)) {
- default: // Default behavior: ignore.
- break;
-
- case pch::METADATA: {
- if (Record[0] != pch::VERSION_MAJOR && !DisableValidation) {
- Diag(Record[0] < pch::VERSION_MAJOR? diag::warn_pch_version_too_old
- : diag::warn_pch_version_too_new);
- return IgnorePCH;
- }
-
- RelocatablePCH = Record[4];
- if (Listener) {
- std::string TargetTriple(BlobStart, BlobLen);
- if (Listener->ReadTargetTriple(TargetTriple))
- return IgnorePCH;
- }
- break;
- }
-
- case pch::CHAINED_METADATA: {
- if (!First) {
- Error("CHAINED_METADATA is not first record in block");
- return Failure;
- }
- if (Record[0] != pch::VERSION_MAJOR && !DisableValidation) {
- Diag(Record[0] < pch::VERSION_MAJOR? diag::warn_pch_version_too_old
- : diag::warn_pch_version_too_new);
- return IgnorePCH;
- }
-
- // Load the chained file.
- switch(ReadASTCore(llvm::StringRef(BlobStart, BlobLen))) {
- case Failure: return Failure;
- // If we have to ignore the dependency, we'll have to ignore this too.
- case IgnorePCH: return IgnorePCH;
- case Success: break;
- }
- break;
- }
-
- case pch::TYPE_OFFSET:
- if (F.LocalNumTypes != 0) {
- Error("duplicate TYPE_OFFSET record in AST file");
- return Failure;
- }
- F.TypeOffsets = (const uint32_t *)BlobStart;
- F.LocalNumTypes = Record[0];
- break;
-
- case pch::DECL_OFFSET:
- if (F.LocalNumDecls != 0) {
- Error("duplicate DECL_OFFSET record in AST file");
- return Failure;
- }
- F.DeclOffsets = (const uint32_t *)BlobStart;
- F.LocalNumDecls = Record[0];
- break;
-
- case pch::TU_UPDATE_LEXICAL: {
- DeclContextInfo Info = {
- /* No visible information */ 0, 0,
- reinterpret_cast<const pch::DeclID *>(BlobStart),
- BlobLen / sizeof(pch::DeclID)
- };
- DeclContextOffsets[Context->getTranslationUnitDecl()].push_back(Info);
- break;
- }
-
- case pch::REDECLS_UPDATE_LATEST: {
- assert(Record.size() % 2 == 0 && "Expected pairs of DeclIDs");
- for (unsigned i = 0, e = Record.size(); i < e; i += 2) {
- pch::DeclID First = Record[i], Latest = Record[i+1];
- assert((FirstLatestDeclIDs.find(First) == FirstLatestDeclIDs.end() ||
- Latest > FirstLatestDeclIDs[First]) &&
- "The new latest is supposed to come after the previous latest");
- FirstLatestDeclIDs[First] = Latest;
- }
- break;
- }
-
- case pch::LANGUAGE_OPTIONS:
- if (ParseLanguageOptions(Record) && !DisableValidation)
- return IgnorePCH;
- break;
-
- case pch::IDENTIFIER_TABLE:
- F.IdentifierTableData = BlobStart;
- if (Record[0]) {
- F.IdentifierLookupTable
- = ASTIdentifierLookupTable::Create(
- (const unsigned char *)F.IdentifierTableData + Record[0],
- (const unsigned char *)F.IdentifierTableData,
- ASTIdentifierLookupTrait(*this, F.Stream));
- if (PP)
- PP->getIdentifierTable().setExternalIdentifierLookup(this);
- }
- break;
-
- case pch::IDENTIFIER_OFFSET:
- if (F.LocalNumIdentifiers != 0) {
- Error("duplicate IDENTIFIER_OFFSET record in AST file");
- return Failure;
- }
- F.IdentifierOffsets = (const uint32_t *)BlobStart;
- F.LocalNumIdentifiers = Record[0];
- break;
-
- case pch::EXTERNAL_DEFINITIONS:
- // Optimization for the first block.
- if (ExternalDefinitions.empty())
- ExternalDefinitions.swap(Record);
- else
- ExternalDefinitions.insert(ExternalDefinitions.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::SPECIAL_TYPES:
- // Optimization for the first block
- if (SpecialTypes.empty())
- SpecialTypes.swap(Record);
- else
- SpecialTypes.insert(SpecialTypes.end(), Record.begin(), Record.end());
- break;
-
- case pch::STATISTICS:
- TotalNumStatements += Record[0];
- TotalNumMacros += Record[1];
- TotalLexicalDeclContexts += Record[2];
- TotalVisibleDeclContexts += Record[3];
- break;
-
- case pch::TENTATIVE_DEFINITIONS:
- // Optimization for the first block.
- if (TentativeDefinitions.empty())
- TentativeDefinitions.swap(Record);
- else
- TentativeDefinitions.insert(TentativeDefinitions.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::UNUSED_FILESCOPED_DECLS:
- // Optimization for the first block.
- if (UnusedFileScopedDecls.empty())
- UnusedFileScopedDecls.swap(Record);
- else
- UnusedFileScopedDecls.insert(UnusedFileScopedDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::WEAK_UNDECLARED_IDENTIFIERS:
- // Later blocks overwrite earlier ones.
- WeakUndeclaredIdentifiers.swap(Record);
- break;
-
- case pch::LOCALLY_SCOPED_EXTERNAL_DECLS:
- // Optimization for the first block.
- if (LocallyScopedExternalDecls.empty())
- LocallyScopedExternalDecls.swap(Record);
- else
- LocallyScopedExternalDecls.insert(LocallyScopedExternalDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::SELECTOR_OFFSETS:
- F.SelectorOffsets = (const uint32_t *)BlobStart;
- F.LocalNumSelectors = Record[0];
- break;
-
- case pch::METHOD_POOL:
- F.SelectorLookupTableData = (const unsigned char *)BlobStart;
- if (Record[0])
- F.SelectorLookupTable
- = ASTSelectorLookupTable::Create(
- F.SelectorLookupTableData + Record[0],
- F.SelectorLookupTableData,
- ASTSelectorLookupTrait(*this));
- TotalNumMethodPoolEntries += Record[1];
- break;
-
- case pch::REFERENCED_SELECTOR_POOL: {
- ReferencedSelectorsData.insert(ReferencedSelectorsData.end(),
- Record.begin(), Record.end());
- break;
- }
-
- case pch::PP_COUNTER_VALUE:
- if (!Record.empty() && Listener)
- Listener->ReadCounter(Record[0]);
- break;
-
- case pch::SOURCE_LOCATION_OFFSETS:
- F.SLocOffsets = (const uint32_t *)BlobStart;
- F.LocalNumSLocEntries = Record[0];
- // We cannot delay this until the entire chain is loaded, because then
- // source location preloads would also have to be delayed.
- // FIXME: Is there a reason not to do that?
- TotalNumSLocEntries += F.LocalNumSLocEntries;
- SourceMgr.PreallocateSLocEntries(this, TotalNumSLocEntries, Record[1]);
- break;
-
- case pch::SOURCE_LOCATION_PRELOADS:
- for (unsigned I = 0, N = Record.size(); I != N; ++I) {
- ASTReadResult Result = ReadSLocEntryRecord(Record[I]);
- if (Result != Success)
- return Result;
- }
- break;
-
- case pch::STAT_CACHE: {
- ASTStatCache *MyStatCache =
- new ASTStatCache((const unsigned char *)BlobStart + Record[0],
- (const unsigned char *)BlobStart,
- NumStatHits, NumStatMisses);
- FileMgr.addStatCache(MyStatCache);
- F.StatCache = MyStatCache;
- break;
- }
-
- case pch::EXT_VECTOR_DECLS:
- // Optimization for the first block.
- if (ExtVectorDecls.empty())
- ExtVectorDecls.swap(Record);
- else
- ExtVectorDecls.insert(ExtVectorDecls.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::VTABLE_USES:
- // Later tables overwrite earlier ones.
- VTableUses.swap(Record);
- break;
-
- case pch::DYNAMIC_CLASSES:
- // Optimization for the first block.
- if (DynamicClasses.empty())
- DynamicClasses.swap(Record);
- else
- DynamicClasses.insert(DynamicClasses.end(),
- Record.begin(), Record.end());
- break;
-
- case pch::PENDING_IMPLICIT_INSTANTIATIONS:
- // Optimization for the first block.
- if (PendingImplicitInstantiations.empty())
- PendingImplicitInstantiations.swap(Record);
- else
- PendingImplicitInstantiations.insert(
- PendingImplicitInstantiations.end(), Record.begin(), Record.end());
- break;
-
- case pch::SEMA_DECL_REFS:
- // Later tables overwrite earlier ones.
- SemaDeclRefs.swap(Record);
- break;
-
- case pch::ORIGINAL_FILE_NAME:
- // The primary AST will be the last to get here, so it will be the one
- // that's used.
- ActualOriginalFileName.assign(BlobStart, BlobLen);
- OriginalFileName = ActualOriginalFileName;
- MaybeAddSystemRootToFilename(OriginalFileName);
- break;
-
- case pch::VERSION_CONTROL_BRANCH_REVISION: {
- const std::string &CurBranch = getClangFullRepositoryVersion();
- llvm::StringRef ASTBranch(BlobStart, BlobLen);
- if (llvm::StringRef(CurBranch) != ASTBranch && !DisableValidation) {
- Diag(diag::warn_pch_different_branch) << ASTBranch << CurBranch;
- return IgnorePCH;
- }
- break;
- }
-
- case pch::MACRO_DEFINITION_OFFSETS:
- F.MacroDefinitionOffsets = (const uint32_t *)BlobStart;
- F.NumPreallocatedPreprocessingEntities = Record[0];
- F.LocalNumMacroDefinitions = Record[1];
- break;
-
- case pch::DECL_REPLACEMENTS: {
- if (Record.size() % 2 != 0) {
- Error("invalid DECL_REPLACEMENTS block in AST file");
- return Failure;
- }
- for (unsigned I = 0, N = Record.size(); I != N; I += 2)
- ReplacedDecls[static_cast<pch::DeclID>(Record[I])] =
- std::make_pair(&F, Record[I+1]);
- break;
- }
- }
- First = false;
- }
- Error("premature end of bitstream in AST file");
- return Failure;
-}
-
-ASTReader::ASTReadResult ASTReader::ReadAST(const std::string &FileName) {
- switch(ReadASTCore(FileName)) {
- case Failure: return Failure;
- case IgnorePCH: return IgnorePCH;
- case Success: break;
- }
-
- // Here comes stuff that we only do once the entire chain is loaded.
-
- // Allocate space for loaded identifiers, decls and types.
- unsigned TotalNumIdentifiers = 0, TotalNumTypes = 0, TotalNumDecls = 0,
- TotalNumPreallocatedPreprocessingEntities = 0, TotalNumMacroDefs = 0,
- TotalNumSelectors = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- TotalNumIdentifiers += Chain[I]->LocalNumIdentifiers;
- TotalNumTypes += Chain[I]->LocalNumTypes;
- TotalNumDecls += Chain[I]->LocalNumDecls;
- TotalNumPreallocatedPreprocessingEntities +=
- Chain[I]->NumPreallocatedPreprocessingEntities;
- TotalNumMacroDefs += Chain[I]->LocalNumMacroDefinitions;
- TotalNumSelectors += Chain[I]->LocalNumSelectors;
- }
- IdentifiersLoaded.resize(TotalNumIdentifiers);
- TypesLoaded.resize(TotalNumTypes);
- DeclsLoaded.resize(TotalNumDecls);
- MacroDefinitionsLoaded.resize(TotalNumMacroDefs);
- if (PP) {
- if (TotalNumIdentifiers > 0)
- PP->getHeaderSearchInfo().SetExternalLookup(this);
- if (TotalNumPreallocatedPreprocessingEntities > 0) {
- if (!PP->getPreprocessingRecord())
- PP->createPreprocessingRecord();
- PP->getPreprocessingRecord()->SetExternalSource(*this,
- TotalNumPreallocatedPreprocessingEntities);
- }
- }
- SelectorsLoaded.resize(TotalNumSelectors);
-
- // Check the predefines buffers.
- if (!DisableValidation && CheckPredefinesBuffers())
- return IgnorePCH;
-
- if (PP) {
- // Initialization of keywords and pragmas occurs before the
- // AST file is read, so there may be some identifiers that were
- // loaded into the IdentifierTable before we intercepted the
- // creation of identifiers. Iterate through the list of known
- // identifiers and determine whether we have to establish
- // preprocessor definitions or top-level identifier declaration
- // chains for those identifiers.
- //
- // We copy the IdentifierInfo pointers to a small vector first,
- // since de-serializing declarations or macro definitions can add
- // new entries into the identifier table, invalidating the
- // iterators.
- llvm::SmallVector<IdentifierInfo *, 128> Identifiers;
- for (IdentifierTable::iterator Id = PP->getIdentifierTable().begin(),
- IdEnd = PP->getIdentifierTable().end();
- Id != IdEnd; ++Id)
- Identifiers.push_back(Id->second);
- // We need to search the tables in all files.
- for (unsigned J = 0, M = Chain.size(); J != M; ++J) {
- ASTIdentifierLookupTable *IdTable
- = (ASTIdentifierLookupTable *)Chain[J]->IdentifierLookupTable;
- // Not all AST files necessarily have identifier tables, only the useful
- // ones.
- if (!IdTable)
- continue;
- for (unsigned I = 0, N = Identifiers.size(); I != N; ++I) {
- IdentifierInfo *II = Identifiers[I];
- // Look in the on-disk hash tables for an entry for this identifier
- ASTIdentifierLookupTrait Info(*this, Chain[J]->Stream, II);
- std::pair<const char*,unsigned> Key(II->getNameStart(),II->getLength());
- ASTIdentifierLookupTable::iterator Pos = IdTable->find(Key, &Info);
- if (Pos == IdTable->end())
- continue;
-
- // Dereferencing the iterator has the effect of populating the
- // IdentifierInfo node with the various declarations it needs.
- (void)*Pos;
- }
- }
- }
-
- if (Context)
- InitializeContext(*Context);
-
- return Success;
-}
-
-ASTReader::ASTReadResult ASTReader::ReadASTCore(llvm::StringRef FileName) {
- Chain.push_back(new PerFileData());
- PerFileData &F = *Chain.back();
-
- // Set the AST file name.
- F.FileName = FileName;
-
- // Open the AST file.
- //
- // FIXME: This shouldn't be here, we should just take a raw_ostream.
- std::string ErrStr;
- F.Buffer.reset(llvm::MemoryBuffer::getFileOrSTDIN(FileName, &ErrStr));
- if (!F.Buffer) {
- Error(ErrStr.c_str());
- return IgnorePCH;
- }
-
- // Initialize the stream
- F.StreamFile.init((const unsigned char *)F.Buffer->getBufferStart(),
- (const unsigned char *)F.Buffer->getBufferEnd());
- llvm::BitstreamCursor &Stream = F.Stream;
- Stream.init(F.StreamFile);
- F.SizeInBits = F.Buffer->getBufferSize() * 8;
-
- // Sniff for the signature.
- if (Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'P' ||
- Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'H') {
- Diag(diag::err_not_a_pch_file) << FileName;
- return Failure;
- }
-
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
-
- if (Code != llvm::bitc::ENTER_SUBBLOCK) {
- Error("invalid record at top-level of AST file");
- return Failure;
- }
-
- unsigned BlockID = Stream.ReadSubBlockID();
-
- // We only know the AST subblock ID.
- switch (BlockID) {
- case llvm::bitc::BLOCKINFO_BLOCK_ID:
- if (Stream.ReadBlockInfoBlock()) {
- Error("malformed BlockInfoBlock in AST file");
- return Failure;
- }
- break;
- case pch::PCH_BLOCK_ID:
- switch (ReadASTBlock(F)) {
- case Success:
- break;
-
- case Failure:
- return Failure;
-
- case IgnorePCH:
- // FIXME: We could consider reading through to the end of this
- // AST block, skipping subblocks, to see if there are other
- // AST blocks elsewhere.
-
- // Clear out any preallocated source location entries, so that
- // the source manager does not try to resolve them later.
- SourceMgr.ClearPreallocatedSLocEntries();
-
- // Remove the stat cache.
- if (F.StatCache)
- FileMgr.removeStatCache((ASTStatCache*)F.StatCache);
-
- return IgnorePCH;
- }
- break;
- default:
- if (Stream.SkipBlock()) {
- Error("malformed block record in AST file");
- return Failure;
- }
- break;
- }
- }
-
- return Success;
-}
-
-void ASTReader::setPreprocessor(Preprocessor &pp) {
- PP = &pp;
-
- unsigned TotalNum = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I)
- TotalNum += Chain[I]->NumPreallocatedPreprocessingEntities;
- if (TotalNum) {
- if (!PP->getPreprocessingRecord())
- PP->createPreprocessingRecord();
- PP->getPreprocessingRecord()->SetExternalSource(*this, TotalNum);
- }
-}
-
-void ASTReader::InitializeContext(ASTContext &Ctx) {
- Context = &Ctx;
- assert(Context && "Passed null context!");
-
- assert(PP && "Forgot to set Preprocessor ?");
- PP->getIdentifierTable().setExternalIdentifierLookup(this);
- PP->getHeaderSearchInfo().SetExternalLookup(this);
- PP->setExternalSource(this);
-
- // Load the translation unit declaration
- GetTranslationUnitDecl();
-
- // Load the special types.
- Context->setBuiltinVaListType(
- GetType(SpecialTypes[pch::SPECIAL_TYPE_BUILTIN_VA_LIST]));
- if (unsigned Id = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID])
- Context->setObjCIdType(GetType(Id));
- if (unsigned Sel = SpecialTypes[pch::SPECIAL_TYPE_OBJC_SELECTOR])
- Context->setObjCSelType(GetType(Sel));
- if (unsigned Proto = SpecialTypes[pch::SPECIAL_TYPE_OBJC_PROTOCOL])
- Context->setObjCProtoType(GetType(Proto));
- if (unsigned Class = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS])
- Context->setObjCClassType(GetType(Class));
-
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_CF_CONSTANT_STRING])
- Context->setCFConstantStringType(GetType(String));
- if (unsigned FastEnum
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_FAST_ENUMERATION_STATE])
- Context->setObjCFastEnumerationStateType(GetType(FastEnum));
- if (unsigned File = SpecialTypes[pch::SPECIAL_TYPE_FILE]) {
- QualType FileType = GetType(File);
- if (FileType.isNull()) {
- Error("FILE type is NULL");
- return;
- }
- if (const TypedefType *Typedef = FileType->getAs<TypedefType>())
- Context->setFILEDecl(Typedef->getDecl());
- else {
- const TagType *Tag = FileType->getAs<TagType>();
- if (!Tag) {
- Error("Invalid FILE type in AST file");
- return;
- }
- Context->setFILEDecl(Tag->getDecl());
- }
- }
- if (unsigned Jmp_buf = SpecialTypes[pch::SPECIAL_TYPE_jmp_buf]) {
- QualType Jmp_bufType = GetType(Jmp_buf);
- if (Jmp_bufType.isNull()) {
- Error("jmp_bug type is NULL");
- return;
- }
- if (const TypedefType *Typedef = Jmp_bufType->getAs<TypedefType>())
- Context->setjmp_bufDecl(Typedef->getDecl());
- else {
- const TagType *Tag = Jmp_bufType->getAs<TagType>();
- if (!Tag) {
- Error("Invalid jmp_buf type in AST file");
- return;
- }
- Context->setjmp_bufDecl(Tag->getDecl());
- }
- }
- if (unsigned Sigjmp_buf = SpecialTypes[pch::SPECIAL_TYPE_sigjmp_buf]) {
- QualType Sigjmp_bufType = GetType(Sigjmp_buf);
- if (Sigjmp_bufType.isNull()) {
- Error("sigjmp_buf type is NULL");
- return;
- }
- if (const TypedefType *Typedef = Sigjmp_bufType->getAs<TypedefType>())
- Context->setsigjmp_bufDecl(Typedef->getDecl());
- else {
- const TagType *Tag = Sigjmp_bufType->getAs<TagType>();
- assert(Tag && "Invalid sigjmp_buf type in AST file");
- Context->setsigjmp_bufDecl(Tag->getDecl());
- }
- }
- if (unsigned ObjCIdRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID_REDEFINITION])
- Context->ObjCIdRedefinitionType = GetType(ObjCIdRedef);
- if (unsigned ObjCClassRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS_REDEFINITION])
- Context->ObjCClassRedefinitionType = GetType(ObjCClassRedef);
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_BLOCK_DESCRIPTOR])
- Context->setBlockDescriptorType(GetType(String));
- if (unsigned String
- = SpecialTypes[pch::SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR])
- Context->setBlockDescriptorExtendedType(GetType(String));
- if (unsigned ObjCSelRedef
- = SpecialTypes[pch::SPECIAL_TYPE_OBJC_SEL_REDEFINITION])
- Context->ObjCSelRedefinitionType = GetType(ObjCSelRedef);
- if (unsigned String = SpecialTypes[pch::SPECIAL_TYPE_NS_CONSTANT_STRING])
- Context->setNSConstantStringType(GetType(String));
-
- if (SpecialTypes[pch::SPECIAL_TYPE_INT128_INSTALLED])
- Context->setInt128Installed();
-}
-
-/// \brief Retrieve the name of the original source file name
-/// directly from the AST file, without actually loading the AST
-/// file.
-std::string ASTReader::getOriginalSourceFile(const std::string &ASTFileName,
- Diagnostic &Diags) {
- // Open the AST file.
- std::string ErrStr;
- llvm::OwningPtr<llvm::MemoryBuffer> Buffer;
- Buffer.reset(llvm::MemoryBuffer::getFile(ASTFileName.c_str(), &ErrStr));
- if (!Buffer) {
- Diags.Report(diag::err_fe_unable_to_read_pch_file) << ErrStr;
- return std::string();
- }
-
- // Initialize the stream
- llvm::BitstreamReader StreamFile;
- llvm::BitstreamCursor Stream;
- StreamFile.init((const unsigned char *)Buffer->getBufferStart(),
- (const unsigned char *)Buffer->getBufferEnd());
- Stream.init(StreamFile);
-
- // Sniff for the signature.
- if (Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'P' ||
- Stream.Read(8) != 'C' ||
- Stream.Read(8) != 'H') {
- Diags.Report(diag::err_fe_not_a_pch_file) << ASTFileName;
- return std::string();
- }
-
- RecordData Record;
- while (!Stream.AtEndOfStream()) {
- unsigned Code = Stream.ReadCode();
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- unsigned BlockID = Stream.ReadSubBlockID();
-
- // We only know the AST subblock ID.
- switch (BlockID) {
- case pch::PCH_BLOCK_ID:
- if (Stream.EnterSubBlock(pch::PCH_BLOCK_ID)) {
- Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName;
- return std::string();
- }
- break;
-
- default:
- if (Stream.SkipBlock()) {
- Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName;
- return std::string();
- }
- break;
- }
- continue;
- }
-
- if (Code == llvm::bitc::END_BLOCK) {
- if (Stream.ReadBlockEnd()) {
- Diags.Report(diag::err_fe_pch_error_at_end_block) << ASTFileName;
- return std::string();
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Stream.ReadAbbrevRecord();
- continue;
- }
-
- Record.clear();
- const char *BlobStart = 0;
- unsigned BlobLen = 0;
- if (Stream.ReadRecord(Code, Record, &BlobStart, &BlobLen)
- == pch::ORIGINAL_FILE_NAME)
- return std::string(BlobStart, BlobLen);
- }
-
- return std::string();
-}
-
-/// \brief Parse the record that corresponds to a LangOptions data
-/// structure.
-///
-/// This routine parses the language options from the AST file and then gives
-/// them to the AST listener if one is set.
-///
-/// \returns true if the listener deems the file unacceptable, false otherwise.
-bool ASTReader::ParseLanguageOptions(
- const llvm::SmallVectorImpl<uint64_t> &Record) {
- if (Listener) {
- LangOptions LangOpts;
-
- #define PARSE_LANGOPT(Option) \
- LangOpts.Option = Record[Idx]; \
- ++Idx
-
- unsigned Idx = 0;
- PARSE_LANGOPT(Trigraphs);
- PARSE_LANGOPT(BCPLComment);
- PARSE_LANGOPT(DollarIdents);
- PARSE_LANGOPT(AsmPreprocessor);
- PARSE_LANGOPT(GNUMode);
- PARSE_LANGOPT(GNUKeywords);
- PARSE_LANGOPT(ImplicitInt);
- PARSE_LANGOPT(Digraphs);
- PARSE_LANGOPT(HexFloats);
- PARSE_LANGOPT(C99);
- PARSE_LANGOPT(Microsoft);
- PARSE_LANGOPT(CPlusPlus);
- PARSE_LANGOPT(CPlusPlus0x);
- PARSE_LANGOPT(CXXOperatorNames);
- PARSE_LANGOPT(ObjC1);
- PARSE_LANGOPT(ObjC2);
- PARSE_LANGOPT(ObjCNonFragileABI);
- PARSE_LANGOPT(ObjCNonFragileABI2);
- PARSE_LANGOPT(NoConstantCFStrings);
- PARSE_LANGOPT(PascalStrings);
- PARSE_LANGOPT(WritableStrings);
- PARSE_LANGOPT(LaxVectorConversions);
- PARSE_LANGOPT(AltiVec);
- PARSE_LANGOPT(Exceptions);
- PARSE_LANGOPT(SjLjExceptions);
- PARSE_LANGOPT(NeXTRuntime);
- PARSE_LANGOPT(Freestanding);
- PARSE_LANGOPT(NoBuiltin);
- PARSE_LANGOPT(ThreadsafeStatics);
- PARSE_LANGOPT(POSIXThreads);
- PARSE_LANGOPT(Blocks);
- PARSE_LANGOPT(EmitAllDecls);
- PARSE_LANGOPT(MathErrno);
- LangOpts.setSignedOverflowBehavior((LangOptions::SignedOverflowBehaviorTy)
- Record[Idx++]);
- PARSE_LANGOPT(HeinousExtensions);
- PARSE_LANGOPT(Optimize);
- PARSE_LANGOPT(OptimizeSize);
- PARSE_LANGOPT(Static);
- PARSE_LANGOPT(PICLevel);
- PARSE_LANGOPT(GNUInline);
- PARSE_LANGOPT(NoInline);
- PARSE_LANGOPT(AccessControl);
- PARSE_LANGOPT(CharIsSigned);
- PARSE_LANGOPT(ShortWChar);
- LangOpts.setGCMode((LangOptions::GCMode)Record[Idx++]);
- LangOpts.setVisibilityMode((LangOptions::VisibilityMode)Record[Idx++]);
- LangOpts.setStackProtectorMode((LangOptions::StackProtectorMode)
- Record[Idx++]);
- PARSE_LANGOPT(InstantiationDepth);
- PARSE_LANGOPT(OpenCL);
- PARSE_LANGOPT(CatchUndefined);
- // FIXME: Missing ElideConstructors?!
- #undef PARSE_LANGOPT
-
- return Listener->ReadLanguageOptions(LangOpts);
- }
-
- return false;
-}
-
-void ASTReader::ReadPreprocessedEntities() {
- ReadDefinedMacros();
-}
-
-/// \brief Get the correct cursor and offset for loading a type.
-ASTReader::RecordLocation ASTReader::TypeCursorForIndex(unsigned Index) {
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (Index < F->LocalNumTypes)
- break;
- Index -= F->LocalNumTypes;
- }
- assert(F && F->LocalNumTypes > Index && "Broken chain");
- return RecordLocation(&F->DeclsCursor, F->TypeOffsets[Index]);
-}
-
-/// \brief Read and return the type with the given index..
-///
-/// The index is the type ID, shifted and minus the number of predefs. This
-/// routine actually reads the record corresponding to the type at the given
-/// location. It is a helper routine for GetType, which deals with reading type
-/// IDs.
-QualType ASTReader::ReadTypeRecord(unsigned Index) {
- RecordLocation Loc = TypeCursorForIndex(Index);
- llvm::BitstreamCursor &DeclsCursor = *Loc.first;
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this type.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- ReadingKindTracker ReadingKind(Read_Type, *this);
-
- // Note that we are loading a type record.
- Deserializing AType(this);
-
- DeclsCursor.JumpToBit(Loc.second);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- switch ((pch::TypeCode)DeclsCursor.ReadRecord(Code, Record)) {
- case pch::TYPE_EXT_QUAL: {
- if (Record.size() != 2) {
- Error("Incorrect encoding of extended qualifier type");
- return QualType();
- }
- QualType Base = GetType(Record[0]);
- Qualifiers Quals = Qualifiers::fromOpaqueValue(Record[1]);
- return Context->getQualifiedType(Base, Quals);
- }
-
- case pch::TYPE_COMPLEX: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of complex type");
- return QualType();
- }
- QualType ElemType = GetType(Record[0]);
- return Context->getComplexType(ElemType);
- }
-
- case pch::TYPE_POINTER: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getPointerType(PointeeType);
- }
-
- case pch::TYPE_BLOCK_POINTER: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of block pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getBlockPointerType(PointeeType);
- }
-
- case pch::TYPE_LVALUE_REFERENCE: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of lvalue reference type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getLValueReferenceType(PointeeType);
- }
-
- case pch::TYPE_RVALUE_REFERENCE: {
- if (Record.size() != 1) {
- Error("Incorrect encoding of rvalue reference type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- return Context->getRValueReferenceType(PointeeType);
- }
-
- case pch::TYPE_MEMBER_POINTER: {
- if (Record.size() != 2) {
- Error("Incorrect encoding of member pointer type");
- return QualType();
- }
- QualType PointeeType = GetType(Record[0]);
- QualType ClassType = GetType(Record[1]);
- return Context->getMemberPointerType(PointeeType, ClassType.getTypePtr());
- }
-
- case pch::TYPE_CONSTANT_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- unsigned Idx = 3;
- llvm::APInt Size = ReadAPInt(Record, Idx);
- return Context->getConstantArrayType(ElementType, Size,
- ASM, IndexTypeQuals);
- }
-
- case pch::TYPE_INCOMPLETE_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- return Context->getIncompleteArrayType(ElementType, ASM, IndexTypeQuals);
- }
-
- case pch::TYPE_VARIABLE_ARRAY: {
- QualType ElementType = GetType(Record[0]);
- ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1];
- unsigned IndexTypeQuals = Record[2];
- SourceLocation LBLoc = SourceLocation::getFromRawEncoding(Record[3]);
- SourceLocation RBLoc = SourceLocation::getFromRawEncoding(Record[4]);
- return Context->getVariableArrayType(ElementType, ReadExpr(DeclsCursor),
- ASM, IndexTypeQuals,
- SourceRange(LBLoc, RBLoc));
- }
-
- case pch::TYPE_VECTOR: {
- if (Record.size() != 3) {
- Error("incorrect encoding of vector type in AST file");
- return QualType();
- }
-
- QualType ElementType = GetType(Record[0]);
- unsigned NumElements = Record[1];
- unsigned AltiVecSpec = Record[2];
- return Context->getVectorType(ElementType, NumElements,
- (VectorType::AltiVecSpecific)AltiVecSpec);
- }
-
- case pch::TYPE_EXT_VECTOR: {
- if (Record.size() != 3) {
- Error("incorrect encoding of extended vector type in AST file");
- return QualType();
- }
-
- QualType ElementType = GetType(Record[0]);
- unsigned NumElements = Record[1];
- return Context->getExtVectorType(ElementType, NumElements);
- }
-
- case pch::TYPE_FUNCTION_NO_PROTO: {
- if (Record.size() != 4) {
- Error("incorrect encoding of no-proto function type");
- return QualType();
- }
- QualType ResultType = GetType(Record[0]);
- FunctionType::ExtInfo Info(Record[1], Record[2], (CallingConv)Record[3]);
- return Context->getFunctionNoProtoType(ResultType, Info);
- }
-
- case pch::TYPE_FUNCTION_PROTO: {
- QualType ResultType = GetType(Record[0]);
- bool NoReturn = Record[1];
- unsigned RegParm = Record[2];
- CallingConv CallConv = (CallingConv)Record[3];
- unsigned Idx = 4;
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<QualType, 16> ParamTypes;
- for (unsigned I = 0; I != NumParams; ++I)
- ParamTypes.push_back(GetType(Record[Idx++]));
- bool isVariadic = Record[Idx++];
- unsigned Quals = Record[Idx++];
- bool hasExceptionSpec = Record[Idx++];
- bool hasAnyExceptionSpec = Record[Idx++];
- unsigned NumExceptions = Record[Idx++];
- llvm::SmallVector<QualType, 2> Exceptions;
- for (unsigned I = 0; I != NumExceptions; ++I)
- Exceptions.push_back(GetType(Record[Idx++]));
- return Context->getFunctionType(ResultType, ParamTypes.data(), NumParams,
- isVariadic, Quals, hasExceptionSpec,
- hasAnyExceptionSpec, NumExceptions,
- Exceptions.data(),
- FunctionType::ExtInfo(NoReturn, RegParm,
- CallConv));
- }
-
- case pch::TYPE_UNRESOLVED_USING:
- return Context->getTypeDeclType(
- cast<UnresolvedUsingTypenameDecl>(GetDecl(Record[0])));
-
- case pch::TYPE_TYPEDEF: {
- if (Record.size() != 2) {
- Error("incorrect encoding of typedef type");
- return QualType();
- }
- TypedefDecl *Decl = cast<TypedefDecl>(GetDecl(Record[0]));
- QualType Canonical = GetType(Record[1]);
- return Context->getTypedefType(Decl, Canonical);
- }
-
- case pch::TYPE_TYPEOF_EXPR:
- return Context->getTypeOfExprType(ReadExpr(DeclsCursor));
-
- case pch::TYPE_TYPEOF: {
- if (Record.size() != 1) {
- Error("incorrect encoding of typeof(type) in AST file");
- return QualType();
- }
- QualType UnderlyingType = GetType(Record[0]);
- return Context->getTypeOfType(UnderlyingType);
- }
-
- case pch::TYPE_DECLTYPE:
- return Context->getDecltypeType(ReadExpr(DeclsCursor));
-
- case pch::TYPE_RECORD: {
- if (Record.size() != 2) {
- Error("incorrect encoding of record type");
- return QualType();
- }
- bool IsDependent = Record[0];
- QualType T = Context->getRecordType(cast<RecordDecl>(GetDecl(Record[1])));
- T->Dependent = IsDependent;
- return T;
- }
-
- case pch::TYPE_ENUM: {
- if (Record.size() != 2) {
- Error("incorrect encoding of enum type");
- return QualType();
- }
- bool IsDependent = Record[0];
- QualType T = Context->getEnumType(cast<EnumDecl>(GetDecl(Record[1])));
- T->Dependent = IsDependent;
- return T;
- }
-
- case pch::TYPE_ELABORATED: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- QualType NamedType = GetType(Record[Idx++]);
- return Context->getElaboratedType(Keyword, NNS, NamedType);
- }
-
- case pch::TYPE_OBJC_INTERFACE: {
- unsigned Idx = 0;
- ObjCInterfaceDecl *ItfD = cast<ObjCInterfaceDecl>(GetDecl(Record[Idx++]));
- return Context->getObjCInterfaceType(ItfD);
- }
-
- case pch::TYPE_OBJC_OBJECT: {
- unsigned Idx = 0;
- QualType Base = GetType(Record[Idx++]);
- unsigned NumProtos = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl*, 4> Protos;
- for (unsigned I = 0; I != NumProtos; ++I)
- Protos.push_back(cast<ObjCProtocolDecl>(GetDecl(Record[Idx++])));
- return Context->getObjCObjectType(Base, Protos.data(), NumProtos);
- }
-
- case pch::TYPE_OBJC_OBJECT_POINTER: {
- unsigned Idx = 0;
- QualType Pointee = GetType(Record[Idx++]);
- return Context->getObjCObjectPointerType(Pointee);
- }
-
- case pch::TYPE_SUBST_TEMPLATE_TYPE_PARM: {
- unsigned Idx = 0;
- QualType Parm = GetType(Record[Idx++]);
- QualType Replacement = GetType(Record[Idx++]);
- return
- Context->getSubstTemplateTypeParmType(cast<TemplateTypeParmType>(Parm),
- Replacement);
- }
-
- case pch::TYPE_INJECTED_CLASS_NAME: {
- CXXRecordDecl *D = cast<CXXRecordDecl>(GetDecl(Record[0]));
- QualType TST = GetType(Record[1]); // probably derivable
- // FIXME: ASTContext::getInjectedClassNameType is not currently suitable
- // for AST reading, too much interdependencies.
- return
- QualType(new (*Context, TypeAlignment) InjectedClassNameType(D, TST), 0);
- }
-
- case pch::TYPE_TEMPLATE_TYPE_PARM: {
- unsigned Idx = 0;
- unsigned Depth = Record[Idx++];
- unsigned Index = Record[Idx++];
- bool Pack = Record[Idx++];
- IdentifierInfo *Name = GetIdentifierInfo(Record, Idx);
- return Context->getTemplateTypeParmType(Depth, Index, Pack, Name);
- }
-
- case pch::TYPE_DEPENDENT_NAME: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- const IdentifierInfo *Name = this->GetIdentifierInfo(Record, Idx);
- QualType Canon = GetType(Record[Idx++]);
- return Context->getDependentNameType(Keyword, NNS, Name, Canon);
- }
-
- case pch::TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION: {
- unsigned Idx = 0;
- ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++];
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- const IdentifierInfo *Name = this->GetIdentifierInfo(Record, Idx);
- unsigned NumArgs = Record[Idx++];
- llvm::SmallVector<TemplateArgument, 8> Args;
- Args.reserve(NumArgs);
- while (NumArgs--)
- Args.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
- return Context->getDependentTemplateSpecializationType(Keyword, NNS, Name,
- Args.size(), Args.data());
- }
-
- case pch::TYPE_DEPENDENT_SIZED_ARRAY: {
- unsigned Idx = 0;
-
- // ArrayType
- QualType ElementType = GetType(Record[Idx++]);
- ArrayType::ArraySizeModifier ASM
- = (ArrayType::ArraySizeModifier)Record[Idx++];
- unsigned IndexTypeQuals = Record[Idx++];
-
- // DependentSizedArrayType
- Expr *NumElts = ReadExpr(DeclsCursor);
- SourceRange Brackets = ReadSourceRange(Record, Idx);
-
- return Context->getDependentSizedArrayType(ElementType, NumElts, ASM,
- IndexTypeQuals, Brackets);
- }
-
- case pch::TYPE_TEMPLATE_SPECIALIZATION: {
- unsigned Idx = 0;
- bool IsDependent = Record[Idx++];
- TemplateName Name = ReadTemplateName(Record, Idx);
- llvm::SmallVector<TemplateArgument, 8> Args;
- ReadTemplateArgumentList(Args, DeclsCursor, Record, Idx);
- QualType Canon = GetType(Record[Idx++]);
- QualType T;
- if (Canon.isNull())
- T = Context->getCanonicalTemplateSpecializationType(Name, Args.data(),
- Args.size());
- else
- T = Context->getTemplateSpecializationType(Name, Args.data(),
- Args.size(), Canon);
- T->Dependent = IsDependent;
- return T;
- }
- }
- // Suppress a GCC warning
- return QualType();
-}
-
-namespace {
-
-class TypeLocReader : public TypeLocVisitor<TypeLocReader> {
- ASTReader &Reader;
- llvm::BitstreamCursor &DeclsCursor;
- const ASTReader::RecordData &Record;
- unsigned &Idx;
-
-public:
- TypeLocReader(ASTReader &Reader, llvm::BitstreamCursor &Cursor,
- const ASTReader::RecordData &Record, unsigned &Idx)
- : Reader(Reader), DeclsCursor(Cursor), Record(Record), Idx(Idx) { }
-
- // We want compile-time assurance that we've enumerated all of
- // these, so unfortunately we have to declare them first, then
- // define them out-of-line.
-#define ABSTRACT_TYPELOC(CLASS, PARENT)
-#define TYPELOC(CLASS, PARENT) \
- void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
-#include "clang/AST/TypeLocNodes.def"
-
- void VisitFunctionTypeLoc(FunctionTypeLoc);
- void VisitArrayTypeLoc(ArrayTypeLoc);
-};
-
-}
-
-void TypeLocReader::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
- // nothing to do
-}
-void TypeLocReader::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
- TL.setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- if (TL.needsExtraLocalData()) {
- TL.setWrittenTypeSpec(static_cast<DeclSpec::TST>(Record[Idx++]));
- TL.setWrittenSignSpec(static_cast<DeclSpec::TSS>(Record[Idx++]));
- TL.setWrittenWidthSpec(static_cast<DeclSpec::TSW>(Record[Idx++]));
- TL.setModeAttr(Record[Idx++]);
- }
-}
-void TypeLocReader::VisitComplexTypeLoc(ComplexTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitPointerTypeLoc(PointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
- TL.setCaretLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
- TL.setAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
- TL.setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitArrayTypeLoc(ArrayTypeLoc TL) {
- TL.setLBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- if (Record[Idx++])
- TL.setSizeExpr(Reader.ReadExpr(DeclsCursor));
- else
- TL.setSizeExpr(0);
-}
-void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitDependentSizedArrayTypeLoc(
- DependentSizedArrayTypeLoc TL) {
- VisitArrayTypeLoc(TL);
-}
-void TypeLocReader::VisitDependentSizedExtVectorTypeLoc(
- DependentSizedExtVectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitVectorTypeLoc(VectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) {
- TL.setArg(i, cast_or_null<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- }
-}
-void TypeLocReader::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocReader::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) {
- VisitFunctionTypeLoc(TL);
-}
-void TypeLocReader::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
- TL.setTypeofLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
- TL.setTypeofLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setUnderlyingTInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitRecordTypeLoc(RecordTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitEnumTypeLoc(EnumTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitSubstTemplateTypeParmTypeLoc(
- SubstTemplateTypeParmTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitTemplateSpecializationTypeLoc(
- TemplateSpecializationTypeLoc TL) {
- TL.setTemplateNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
- TL.setArgLocInfo(i,
- Reader.GetTemplateArgumentLocInfo(TL.getTypePtr()->getArg(i).getKind(),
- DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
-}
-void TypeLocReader::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitDependentTemplateSpecializationTypeLoc(
- DependentTemplateSpecializationTypeLoc TL) {
- TL.setKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I)
- TL.setArgLocInfo(I,
- Reader.GetTemplateArgumentLocInfo(TL.getTypePtr()->getArg(I).getKind(),
- DeclsCursor, Record, Idx));
-}
-void TypeLocReader::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
- TL.setNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
- TL.setHasBaseTypeAsWritten(Record[Idx++]);
- TL.setLAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TL.setRAngleLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
- TL.setProtocolLoc(i, SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
- TL.setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-TypeSourceInfo *ASTReader::GetTypeSourceInfo(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record,
- unsigned &Idx) {
- QualType InfoTy = GetType(Record[Idx++]);
- if (InfoTy.isNull())
- return 0;
-
- TypeSourceInfo *TInfo = getContext()->CreateTypeSourceInfo(InfoTy);
- TypeLocReader TLR(*this, DeclsCursor, Record, Idx);
- for (TypeLoc TL = TInfo->getTypeLoc(); !TL.isNull(); TL = TL.getNextTypeLoc())
- TLR.Visit(TL);
- return TInfo;
-}
-
-QualType ASTReader::GetType(pch::TypeID ID) {
- unsigned FastQuals = ID & Qualifiers::FastMask;
- unsigned Index = ID >> Qualifiers::FastWidth;
-
- if (Index < pch::NUM_PREDEF_TYPE_IDS) {
- QualType T;
- switch ((pch::PredefinedTypeIDs)Index) {
- case pch::PREDEF_TYPE_NULL_ID: return QualType();
- case pch::PREDEF_TYPE_VOID_ID: T = Context->VoidTy; break;
- case pch::PREDEF_TYPE_BOOL_ID: T = Context->BoolTy; break;
-
- case pch::PREDEF_TYPE_CHAR_U_ID:
- case pch::PREDEF_TYPE_CHAR_S_ID:
- // FIXME: Check that the signedness of CharTy is correct!
- T = Context->CharTy;
- break;
-
- case pch::PREDEF_TYPE_UCHAR_ID: T = Context->UnsignedCharTy; break;
- case pch::PREDEF_TYPE_USHORT_ID: T = Context->UnsignedShortTy; break;
- case pch::PREDEF_TYPE_UINT_ID: T = Context->UnsignedIntTy; break;
- case pch::PREDEF_TYPE_ULONG_ID: T = Context->UnsignedLongTy; break;
- case pch::PREDEF_TYPE_ULONGLONG_ID: T = Context->UnsignedLongLongTy; break;
- case pch::PREDEF_TYPE_UINT128_ID: T = Context->UnsignedInt128Ty; break;
- case pch::PREDEF_TYPE_SCHAR_ID: T = Context->SignedCharTy; break;
- case pch::PREDEF_TYPE_WCHAR_ID: T = Context->WCharTy; break;
- case pch::PREDEF_TYPE_SHORT_ID: T = Context->ShortTy; break;
- case pch::PREDEF_TYPE_INT_ID: T = Context->IntTy; break;
- case pch::PREDEF_TYPE_LONG_ID: T = Context->LongTy; break;
- case pch::PREDEF_TYPE_LONGLONG_ID: T = Context->LongLongTy; break;
- case pch::PREDEF_TYPE_INT128_ID: T = Context->Int128Ty; break;
- case pch::PREDEF_TYPE_FLOAT_ID: T = Context->FloatTy; break;
- case pch::PREDEF_TYPE_DOUBLE_ID: T = Context->DoubleTy; break;
- case pch::PREDEF_TYPE_LONGDOUBLE_ID: T = Context->LongDoubleTy; break;
- case pch::PREDEF_TYPE_OVERLOAD_ID: T = Context->OverloadTy; break;
- case pch::PREDEF_TYPE_DEPENDENT_ID: T = Context->DependentTy; break;
- case pch::PREDEF_TYPE_NULLPTR_ID: T = Context->NullPtrTy; break;
- case pch::PREDEF_TYPE_CHAR16_ID: T = Context->Char16Ty; break;
- case pch::PREDEF_TYPE_CHAR32_ID: T = Context->Char32Ty; break;
- case pch::PREDEF_TYPE_OBJC_ID: T = Context->ObjCBuiltinIdTy; break;
- case pch::PREDEF_TYPE_OBJC_CLASS: T = Context->ObjCBuiltinClassTy; break;
- case pch::PREDEF_TYPE_OBJC_SEL: T = Context->ObjCBuiltinSelTy; break;
- }
-
- assert(!T.isNull() && "Unknown predefined type");
- return T.withFastQualifiers(FastQuals);
- }
-
- Index -= pch::NUM_PREDEF_TYPE_IDS;
- assert(Index < TypesLoaded.size() && "Type index out-of-range");
- if (TypesLoaded[Index].isNull()) {
- TypesLoaded[Index] = ReadTypeRecord(Index);
- TypesLoaded[Index]->setFromAST();
- if (DeserializationListener)
- DeserializationListener->TypeRead(ID >> Qualifiers::FastWidth,
- TypesLoaded[Index]);
- }
-
- return TypesLoaded[Index].withFastQualifiers(FastQuals);
-}
-
-TemplateArgumentLocInfo
-ASTReader::GetTemplateArgumentLocInfo(TemplateArgument::ArgKind Kind,
- llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record,
- unsigned &Index) {
- switch (Kind) {
- case TemplateArgument::Expression:
- return ReadExpr(DeclsCursor);
- case TemplateArgument::Type:
- return GetTypeSourceInfo(DeclsCursor, Record, Index);
- case TemplateArgument::Template: {
- SourceRange QualifierRange = ReadSourceRange(Record, Index);
- SourceLocation TemplateNameLoc = ReadSourceLocation(Record, Index);
- return TemplateArgumentLocInfo(QualifierRange, TemplateNameLoc);
- }
- case TemplateArgument::Null:
- case TemplateArgument::Integral:
- case TemplateArgument::Declaration:
- case TemplateArgument::Pack:
- return TemplateArgumentLocInfo();
- }
- llvm_unreachable("unexpected template argument loc");
- return TemplateArgumentLocInfo();
-}
-
-TemplateArgumentLoc
-ASTReader::ReadTemplateArgumentLoc(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Index) {
- TemplateArgument Arg = ReadTemplateArgument(DeclsCursor, Record, Index);
-
- if (Arg.getKind() == TemplateArgument::Expression) {
- if (Record[Index++]) // bool InfoHasSameExpr.
- return TemplateArgumentLoc(Arg, TemplateArgumentLocInfo(Arg.getAsExpr()));
- }
- return TemplateArgumentLoc(Arg, GetTemplateArgumentLocInfo(Arg.getKind(),
- DeclsCursor,
- Record, Index));
-}
-
-Decl *ASTReader::GetExternalDecl(uint32_t ID) {
- return GetDecl(ID);
-}
-
-TranslationUnitDecl *ASTReader::GetTranslationUnitDecl() {
- if (!DeclsLoaded[0]) {
- ReadDeclRecord(0, 0);
- if (DeserializationListener)
- DeserializationListener->DeclRead(1, DeclsLoaded[0]);
- }
-
- return cast<TranslationUnitDecl>(DeclsLoaded[0]);
-}
-
-Decl *ASTReader::GetDecl(pch::DeclID ID) {
- if (ID == 0)
- return 0;
-
- if (ID > DeclsLoaded.size()) {
- Error("declaration ID out-of-range for AST file");
- return 0;
- }
-
- unsigned Index = ID - 1;
- if (!DeclsLoaded[Index]) {
- ReadDeclRecord(Index, ID);
- if (DeserializationListener)
- DeserializationListener->DeclRead(ID, DeclsLoaded[Index]);
- }
-
- return DeclsLoaded[Index];
-}
-
-/// \brief Resolve the offset of a statement into a statement.
-///
-/// This operation will read a new statement from the external
-/// source each time it is called, and is meant to be used via a
-/// LazyOffsetPtr (which is used by Decls for the body of functions, etc).
-Stmt *ASTReader::GetExternalDeclStmt(uint64_t Offset) {
- // Offset here is a global offset across the entire chain.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Offset < F.SizeInBits) {
- // Since we know that this statement is part of a decl, make sure to use
- // the decl cursor to read it.
- F.DeclsCursor.JumpToBit(Offset);
- return ReadStmtFromStream(F.DeclsCursor);
- }
- Offset -= F.SizeInBits;
- }
- llvm_unreachable("Broken chain");
-}
-
-bool ASTReader::FindExternalLexicalDecls(const DeclContext *DC,
- llvm::SmallVectorImpl<Decl*> &Decls) {
- assert(DC->hasExternalLexicalStorage() &&
- "DeclContext has no lexical decls in storage");
-
- // There might be lexical decls in multiple parts of the chain, for the TU
- // at least.
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end();
- I != E; ++I) {
- // IDs can be 0 if this context doesn't contain declarations.
- if (!I->LexicalDecls)
- continue;
-
- // Load all of the declaration IDs
- for (const pch::DeclID *ID = I->LexicalDecls,
- *IDE = ID + I->NumLexicalDecls;
- ID != IDE; ++ID)
- Decls.push_back(GetDecl(*ID));
- }
-
- ++NumLexicalDeclContextsRead;
- return false;
-}
-
-DeclContext::lookup_result
-ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC,
- DeclarationName Name) {
- assert(DC->hasExternalVisibleStorage() &&
- "DeclContext has no visible decls in storage");
-
- llvm::SmallVector<VisibleDeclaration, 64> Decls;
- // There might be lexical decls in multiple parts of the chain, for the TU
- // and namespaces.
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end();
- I != E; ++I) {
- uint64_t Offset = I->OffsetToVisibleDecls;
- if (Offset == 0)
- continue;
-
- llvm::BitstreamCursor &DeclsCursor = *I->Stream;
-
- // Keep track of where we are in the stream, then jump back there
- // after reading this context.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- // Load the record containing all of the declarations visible in
- // this context.
- DeclsCursor.JumpToBit(Offset);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- unsigned RecCode = DeclsCursor.ReadRecord(Code, Record);
- if (RecCode != pch::DECL_CONTEXT_VISIBLE) {
- Error("Expected visible block");
- return DeclContext::lookup_result(DeclContext::lookup_iterator(),
- DeclContext::lookup_iterator());
- }
-
- if (Record.empty())
- continue;
-
- unsigned Idx = 0;
- while (Idx < Record.size()) {
- Decls.push_back(VisibleDeclaration());
- Decls.back().Name = ReadDeclarationName(Record, Idx);
-
- unsigned Size = Record[Idx++];
- llvm::SmallVector<unsigned, 4> &LoadedDecls = Decls.back().Declarations;
- LoadedDecls.reserve(Size);
- for (unsigned J = 0; J < Size; ++J)
- LoadedDecls.push_back(Record[Idx++]);
- }
- }
-
- ++NumVisibleDeclContextsRead;
-
- SetExternalVisibleDecls(DC, Decls);
- return const_cast<DeclContext*>(DC)->lookup(Name);
-}
-
-void ASTReader::PassInterestingDeclsToConsumer() {
- assert(Consumer);
- while (!InterestingDecls.empty()) {
- DeclGroupRef DG(InterestingDecls.front());
- InterestingDecls.pop_front();
- Consumer->HandleInterestingDecl(DG);
- }
-}
-
-void ASTReader::StartTranslationUnit(ASTConsumer *Consumer) {
- this->Consumer = Consumer;
-
- if (!Consumer)
- return;
-
- for (unsigned I = 0, N = ExternalDefinitions.size(); I != N; ++I) {
- // Force deserialization of this decl, which will cause it to be queued for
- // passing to the consumer.
- GetDecl(ExternalDefinitions[I]);
- }
-
- PassInterestingDeclsToConsumer();
-}
-
-void ASTReader::PrintStats() {
- std::fprintf(stderr, "*** AST File Statistics:\n");
-
- unsigned NumTypesLoaded
- = TypesLoaded.size() - std::count(TypesLoaded.begin(), TypesLoaded.end(),
- QualType());
- unsigned NumDeclsLoaded
- = DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(),
- (Decl *)0);
- unsigned NumIdentifiersLoaded
- = IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(),
- IdentifiersLoaded.end(),
- (IdentifierInfo *)0);
- unsigned NumSelectorsLoaded
- = SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(),
- SelectorsLoaded.end(),
- Selector());
-
- std::fprintf(stderr, " %u stat cache hits\n", NumStatHits);
- std::fprintf(stderr, " %u stat cache misses\n", NumStatMisses);
- if (TotalNumSLocEntries)
- std::fprintf(stderr, " %u/%u source location entries read (%f%%)\n",
- NumSLocEntriesRead, TotalNumSLocEntries,
- ((float)NumSLocEntriesRead/TotalNumSLocEntries * 100));
- if (!TypesLoaded.empty())
- std::fprintf(stderr, " %u/%u types read (%f%%)\n",
- NumTypesLoaded, (unsigned)TypesLoaded.size(),
- ((float)NumTypesLoaded/TypesLoaded.size() * 100));
- if (!DeclsLoaded.empty())
- std::fprintf(stderr, " %u/%u declarations read (%f%%)\n",
- NumDeclsLoaded, (unsigned)DeclsLoaded.size(),
- ((float)NumDeclsLoaded/DeclsLoaded.size() * 100));
- if (!IdentifiersLoaded.empty())
- std::fprintf(stderr, " %u/%u identifiers read (%f%%)\n",
- NumIdentifiersLoaded, (unsigned)IdentifiersLoaded.size(),
- ((float)NumIdentifiersLoaded/IdentifiersLoaded.size() * 100));
- if (!SelectorsLoaded.empty())
- std::fprintf(stderr, " %u/%u selectors read (%f%%)\n",
- NumSelectorsLoaded, (unsigned)SelectorsLoaded.size(),
- ((float)NumSelectorsLoaded/SelectorsLoaded.size() * 100));
- if (TotalNumStatements)
- std::fprintf(stderr, " %u/%u statements read (%f%%)\n",
- NumStatementsRead, TotalNumStatements,
- ((float)NumStatementsRead/TotalNumStatements * 100));
- if (TotalNumMacros)
- std::fprintf(stderr, " %u/%u macros read (%f%%)\n",
- NumMacrosRead, TotalNumMacros,
- ((float)NumMacrosRead/TotalNumMacros * 100));
- if (TotalLexicalDeclContexts)
- std::fprintf(stderr, " %u/%u lexical declcontexts read (%f%%)\n",
- NumLexicalDeclContextsRead, TotalLexicalDeclContexts,
- ((float)NumLexicalDeclContextsRead/TotalLexicalDeclContexts
- * 100));
- if (TotalVisibleDeclContexts)
- std::fprintf(stderr, " %u/%u visible declcontexts read (%f%%)\n",
- NumVisibleDeclContextsRead, TotalVisibleDeclContexts,
- ((float)NumVisibleDeclContextsRead/TotalVisibleDeclContexts
- * 100));
- if (TotalNumMethodPoolEntries) {
- std::fprintf(stderr, " %u/%u method pool entries read (%f%%)\n",
- NumMethodPoolEntriesRead, TotalNumMethodPoolEntries,
- ((float)NumMethodPoolEntriesRead/TotalNumMethodPoolEntries
- * 100));
- std::fprintf(stderr, " %u method pool misses\n", NumMethodPoolMisses);
- }
- std::fprintf(stderr, "\n");
-}
-
-void ASTReader::InitializeSema(Sema &S) {
- SemaObj = &S;
- S.ExternalSource = this;
-
- // Makes sure any declarations that were deserialized "too early"
- // still get added to the identifier's declaration chains.
- if (SemaObj->TUScope) {
- for (unsigned I = 0, N = PreloadedDecls.size(); I != N; ++I) {
- SemaObj->TUScope->AddDecl(Action::DeclPtrTy::make(PreloadedDecls[I]));
- SemaObj->IdResolver.AddDecl(PreloadedDecls[I]);
- }
- }
- PreloadedDecls.clear();
-
- // If there were any tentative definitions, deserialize them and add
- // them to Sema's list of tentative definitions.
- for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) {
- VarDecl *Var = cast<VarDecl>(GetDecl(TentativeDefinitions[I]));
- SemaObj->TentativeDefinitions.push_back(Var);
- }
-
- // If there were any unused file scoped decls, deserialize them and add to
- // Sema's list of unused file scoped decls.
- for (unsigned I = 0, N = UnusedFileScopedDecls.size(); I != N; ++I) {
- DeclaratorDecl *D = cast<DeclaratorDecl>(GetDecl(UnusedFileScopedDecls[I]));
- SemaObj->UnusedFileScopedDecls.push_back(D);
- }
-
- // If there were any weak undeclared identifiers, deserialize them and add to
- // Sema's list of weak undeclared identifiers.
- if (!WeakUndeclaredIdentifiers.empty()) {
- unsigned Idx = 0;
- for (unsigned I = 0, N = WeakUndeclaredIdentifiers[Idx++]; I != N; ++I) {
- IdentifierInfo *WeakId = GetIdentifierInfo(WeakUndeclaredIdentifiers,Idx);
- IdentifierInfo *AliasId=GetIdentifierInfo(WeakUndeclaredIdentifiers,Idx);
- SourceLocation Loc = ReadSourceLocation(WeakUndeclaredIdentifiers, Idx);
- bool Used = WeakUndeclaredIdentifiers[Idx++];
- Sema::WeakInfo WI(AliasId, Loc);
- WI.setUsed(Used);
- SemaObj->WeakUndeclaredIdentifiers.insert(std::make_pair(WeakId, WI));
- }
- }
-
- // If there were any locally-scoped external declarations,
- // deserialize them and add them to Sema's table of locally-scoped
- // external declarations.
- for (unsigned I = 0, N = LocallyScopedExternalDecls.size(); I != N; ++I) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(LocallyScopedExternalDecls[I]));
- SemaObj->LocallyScopedExternalDecls[D->getDeclName()] = D;
- }
-
- // If there were any ext_vector type declarations, deserialize them
- // and add them to Sema's vector of such declarations.
- for (unsigned I = 0, N = ExtVectorDecls.size(); I != N; ++I)
- SemaObj->ExtVectorDecls.push_back(
- cast<TypedefDecl>(GetDecl(ExtVectorDecls[I])));
-
- // FIXME: Do VTable uses and dynamic classes deserialize too much ?
- // Can we cut them down before writing them ?
-
- // If there were any VTable uses, deserialize the information and add it
- // to Sema's vector and map of VTable uses.
- if (!VTableUses.empty()) {
- unsigned Idx = 0;
- for (unsigned I = 0, N = VTableUses[Idx++]; I != N; ++I) {
- CXXRecordDecl *Class = cast<CXXRecordDecl>(GetDecl(VTableUses[Idx++]));
- SourceLocation Loc = ReadSourceLocation(VTableUses, Idx);
- bool DefinitionRequired = VTableUses[Idx++];
- SemaObj->VTableUses.push_back(std::make_pair(Class, Loc));
- SemaObj->VTablesUsed[Class] = DefinitionRequired;
- }
- }
-
- // If there were any dynamic classes declarations, deserialize them
- // and add them to Sema's vector of such declarations.
- for (unsigned I = 0, N = DynamicClasses.size(); I != N; ++I)
- SemaObj->DynamicClasses.push_back(
- cast<CXXRecordDecl>(GetDecl(DynamicClasses[I])));
-
- // If there were any pending implicit instantiations, deserialize them
- // and add them to Sema's queue of such instantiations.
- assert(PendingImplicitInstantiations.size() % 2 == 0 &&
- "Expected pairs of entries");
- for (unsigned Idx = 0, N = PendingImplicitInstantiations.size(); Idx < N;) {
- ValueDecl *D=cast<ValueDecl>(GetDecl(PendingImplicitInstantiations[Idx++]));
- SourceLocation Loc = ReadSourceLocation(PendingImplicitInstantiations, Idx);
- SemaObj->PendingImplicitInstantiations.push_back(std::make_pair(D, Loc));
- }
-
- // Load the offsets of the declarations that Sema references.
- // They will be lazily deserialized when needed.
- if (!SemaDeclRefs.empty()) {
- assert(SemaDeclRefs.size() == 2 && "More decl refs than expected!");
- SemaObj->StdNamespace = SemaDeclRefs[0];
- SemaObj->StdBadAlloc = SemaDeclRefs[1];
- }
-
- // If there are @selector references added them to its pool. This is for
- // implementation of -Wselector.
- if (!ReferencedSelectorsData.empty()) {
- unsigned int DataSize = ReferencedSelectorsData.size()-1;
- unsigned I = 0;
- while (I < DataSize) {
- Selector Sel = DecodeSelector(ReferencedSelectorsData[I++]);
- SourceLocation SelLoc =
- SourceLocation::getFromRawEncoding(ReferencedSelectorsData[I++]);
- SemaObj->ReferencedSelectors.insert(std::make_pair(Sel, SelLoc));
- }
- }
-}
-
-IdentifierInfo* ASTReader::get(const char *NameStart, const char *NameEnd) {
- // Try to find this name within our on-disk hash tables. We start with the
- // most recent one, since that one contains the most up-to-date info.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- ASTIdentifierLookupTable *IdTable
- = (ASTIdentifierLookupTable *)Chain[I]->IdentifierLookupTable;
- if (!IdTable)
- continue;
- std::pair<const char*, unsigned> Key(NameStart, NameEnd - NameStart);
- ASTIdentifierLookupTable::iterator Pos = IdTable->find(Key);
- if (Pos == IdTable->end())
- continue;
-
- // Dereferencing the iterator has the effect of building the
- // IdentifierInfo node and populating it with the various
- // declarations it needs.
- return *Pos;
- }
- return 0;
-}
-
-std::pair<ObjCMethodList, ObjCMethodList>
-ASTReader::ReadMethodPool(Selector Sel) {
- // Find this selector in a hash table. We want to find the most recent entry.
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[I];
- if (!F.SelectorLookupTable)
- continue;
-
- ASTSelectorLookupTable *PoolTable
- = (ASTSelectorLookupTable*)F.SelectorLookupTable;
- ASTSelectorLookupTable::iterator Pos = PoolTable->find(Sel);
- if (Pos != PoolTable->end()) {
- ++NumSelectorsRead;
- // FIXME: Not quite happy with the statistics here. We probably should
- // disable this tracking when called via LoadSelector.
- // Also, should entries without methods count as misses?
- ++NumMethodPoolEntriesRead;
- ASTSelectorLookupTrait::data_type Data = *Pos;
- if (DeserializationListener)
- DeserializationListener->SelectorRead(Data.ID, Sel);
- return std::make_pair(Data.Instance, Data.Factory);
- }
- }
-
- ++NumMethodPoolMisses;
- return std::pair<ObjCMethodList, ObjCMethodList>();
-}
-
-void ASTReader::LoadSelector(Selector Sel) {
- // It would be complicated to avoid reading the methods anyway. So don't.
- ReadMethodPool(Sel);
-}
-
-void ASTReader::SetIdentifierInfo(unsigned ID, IdentifierInfo *II) {
- assert(ID && "Non-zero identifier ID required");
- assert(ID <= IdentifiersLoaded.size() && "identifier ID out of range");
- IdentifiersLoaded[ID - 1] = II;
- if (DeserializationListener)
- DeserializationListener->IdentifierRead(ID, II);
-}
-
-/// \brief Set the globally-visible declarations associated with the given
-/// identifier.
-///
-/// If the AST reader is currently in a state where the given declaration IDs
-/// cannot safely be resolved, they are queued until it is safe to resolve
-/// them.
-///
-/// \param II an IdentifierInfo that refers to one or more globally-visible
-/// declarations.
-///
-/// \param DeclIDs the set of declaration IDs with the name @p II that are
-/// visible at global scope.
-///
-/// \param Nonrecursive should be true to indicate that the caller knows that
-/// this call is non-recursive, and therefore the globally-visible declarations
-/// will not be placed onto the pending queue.
-void
-ASTReader::SetGloballyVisibleDecls(IdentifierInfo *II,
- const llvm::SmallVectorImpl<uint32_t> &DeclIDs,
- bool Nonrecursive) {
- if (NumCurrentElementsDeserializing && !Nonrecursive) {
- PendingIdentifierInfos.push_back(PendingIdentifierInfo());
- PendingIdentifierInfo &PII = PendingIdentifierInfos.back();
- PII.II = II;
- for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I)
- PII.DeclIDs.push_back(DeclIDs[I]);
- return;
- }
-
- for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(DeclIDs[I]));
- if (SemaObj) {
- if (SemaObj->TUScope) {
- // Introduce this declaration into the translation-unit scope
- // and add it to the declaration chain for this identifier, so
- // that (unqualified) name lookup will find it.
- SemaObj->TUScope->AddDecl(Action::DeclPtrTy::make(D));
- SemaObj->IdResolver.AddDeclToIdentifierChain(II, D);
- }
- } else {
- // Queue this declaration so that it will be added to the
- // translation unit scope and identifier's declaration chain
- // once a Sema object is known.
- PreloadedDecls.push_back(D);
- }
- }
-}
-
-IdentifierInfo *ASTReader::DecodeIdentifierInfo(unsigned ID) {
- if (ID == 0)
- return 0;
-
- if (IdentifiersLoaded.empty()) {
- Error("no identifier table in AST file");
- return 0;
- }
-
- assert(PP && "Forgot to set Preprocessor ?");
- ID -= 1;
- if (!IdentifiersLoaded[ID]) {
- unsigned Index = ID;
- const char *Str = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData *F = Chain[N - I - 1];
- if (Index < F->LocalNumIdentifiers) {
- uint32_t Offset = F->IdentifierOffsets[Index];
- Str = F->IdentifierTableData + Offset;
- break;
- }
- Index -= F->LocalNumIdentifiers;
- }
- assert(Str && "Broken Chain");
-
- // All of the strings in the AST file are preceded by a 16-bit length.
- // Extract that 16-bit length to avoid having to execute strlen().
- // NOTE: 'StrLenPtr' is an 'unsigned char*' so that we load bytes as
- // unsigned integers. This is important to avoid integer overflow when
- // we cast them to 'unsigned'.
- const unsigned char *StrLenPtr = (const unsigned char*) Str - 2;
- unsigned StrLen = (((unsigned) StrLenPtr[0])
- | (((unsigned) StrLenPtr[1]) << 8)) - 1;
- IdentifiersLoaded[ID]
- = &PP->getIdentifierTable().get(Str, StrLen);
- if (DeserializationListener)
- DeserializationListener->IdentifierRead(ID + 1, IdentifiersLoaded[ID]);
- }
-
- return IdentifiersLoaded[ID];
-}
-
-void ASTReader::ReadSLocEntry(unsigned ID) {
- ReadSLocEntryRecord(ID);
-}
-
-Selector ASTReader::DecodeSelector(unsigned ID) {
- if (ID == 0)
- return Selector();
-
- if (ID > SelectorsLoaded.size()) {
- Error("selector ID out of range in AST file");
- return Selector();
- }
-
- if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == 0) {
- // Load this selector from the selector table.
- unsigned Idx = ID - 1;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- PerFileData &F = *Chain[N - I - 1];
- if (Idx < F.LocalNumSelectors) {
- ASTSelectorLookupTrait Trait(*this);
- SelectorsLoaded[ID - 1] =
- Trait.ReadKey(F.SelectorLookupTableData + F.SelectorOffsets[Idx], 0);
- if (DeserializationListener)
- DeserializationListener->SelectorRead(ID, SelectorsLoaded[ID - 1]);
- break;
- }
- Idx -= F.LocalNumSelectors;
- }
- }
-
- return SelectorsLoaded[ID - 1];
-}
-
-Selector ASTReader::GetExternalSelector(uint32_t ID) {
- return DecodeSelector(ID);
-}
-
-uint32_t ASTReader::GetNumExternalSelectors() {
- // ID 0 (the null selector) is considered an external selector.
- return getTotalNumSelectors() + 1;
-}
-
-DeclarationName
-ASTReader::ReadDeclarationName(const RecordData &Record, unsigned &Idx) {
- DeclarationName::NameKind Kind = (DeclarationName::NameKind)Record[Idx++];
- switch (Kind) {
- case DeclarationName::Identifier:
- return DeclarationName(GetIdentifierInfo(Record, Idx));
-
- case DeclarationName::ObjCZeroArgSelector:
- case DeclarationName::ObjCOneArgSelector:
- case DeclarationName::ObjCMultiArgSelector:
- return DeclarationName(GetSelector(Record, Idx));
-
- case DeclarationName::CXXConstructorName:
- return Context->DeclarationNames.getCXXConstructorName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXDestructorName:
- return Context->DeclarationNames.getCXXDestructorName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXConversionFunctionName:
- return Context->DeclarationNames.getCXXConversionFunctionName(
- Context->getCanonicalType(GetType(Record[Idx++])));
-
- case DeclarationName::CXXOperatorName:
- return Context->DeclarationNames.getCXXOperatorName(
- (OverloadedOperatorKind)Record[Idx++]);
-
- case DeclarationName::CXXLiteralOperatorName:
- return Context->DeclarationNames.getCXXLiteralOperatorName(
- GetIdentifierInfo(Record, Idx));
-
- case DeclarationName::CXXUsingDirective:
- return DeclarationName::getUsingDirectiveName();
- }
-
- // Required to silence GCC warning
- return DeclarationName();
-}
-
-TemplateName
-ASTReader::ReadTemplateName(const RecordData &Record, unsigned &Idx) {
- TemplateName::NameKind Kind = (TemplateName::NameKind)Record[Idx++];
- switch (Kind) {
- case TemplateName::Template:
- return TemplateName(cast_or_null<TemplateDecl>(GetDecl(Record[Idx++])));
-
- case TemplateName::OverloadedTemplate: {
- unsigned size = Record[Idx++];
- UnresolvedSet<8> Decls;
- while (size--)
- Decls.addDecl(cast<NamedDecl>(GetDecl(Record[Idx++])));
-
- return Context->getOverloadedTemplateName(Decls.begin(), Decls.end());
- }
-
- case TemplateName::QualifiedTemplate: {
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- bool hasTemplKeyword = Record[Idx++];
- TemplateDecl *Template = cast<TemplateDecl>(GetDecl(Record[Idx++]));
- return Context->getQualifiedTemplateName(NNS, hasTemplKeyword, Template);
- }
-
- case TemplateName::DependentTemplate: {
- NestedNameSpecifier *NNS = ReadNestedNameSpecifier(Record, Idx);
- if (Record[Idx++]) // isIdentifier
- return Context->getDependentTemplateName(NNS,
- GetIdentifierInfo(Record, Idx));
- return Context->getDependentTemplateName(NNS,
- (OverloadedOperatorKind)Record[Idx++]);
- }
- }
-
- assert(0 && "Unhandled template name kind!");
- return TemplateName();
-}
-
-TemplateArgument
-ASTReader::ReadTemplateArgument(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- switch ((TemplateArgument::ArgKind)Record[Idx++]) {
- case TemplateArgument::Null:
- return TemplateArgument();
- case TemplateArgument::Type:
- return TemplateArgument(GetType(Record[Idx++]));
- case TemplateArgument::Declaration:
- return TemplateArgument(GetDecl(Record[Idx++]));
- case TemplateArgument::Integral: {
- llvm::APSInt Value = ReadAPSInt(Record, Idx);
- QualType T = GetType(Record[Idx++]);
- return TemplateArgument(Value, T);
- }
- case TemplateArgument::Template:
- return TemplateArgument(ReadTemplateName(Record, Idx));
- case TemplateArgument::Expression:
- return TemplateArgument(ReadExpr(DeclsCursor));
- case TemplateArgument::Pack: {
- unsigned NumArgs = Record[Idx++];
- llvm::SmallVector<TemplateArgument, 8> Args;
- Args.reserve(NumArgs);
- while (NumArgs--)
- Args.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
- TemplateArgument TemplArg;
- TemplArg.setArgumentPack(Args.data(), Args.size(), /*CopyArgs=*/true);
- return TemplArg;
- }
- }
-
- assert(0 && "Unhandled template argument kind!");
- return TemplateArgument();
-}
-
-TemplateParameterList *
-ASTReader::ReadTemplateParameterList(const RecordData &Record, unsigned &Idx) {
- SourceLocation TemplateLoc = ReadSourceLocation(Record, Idx);
- SourceLocation LAngleLoc = ReadSourceLocation(Record, Idx);
- SourceLocation RAngleLoc = ReadSourceLocation(Record, Idx);
-
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<NamedDecl *, 16> Params;
- Params.reserve(NumParams);
- while (NumParams--)
- Params.push_back(cast<NamedDecl>(GetDecl(Record[Idx++])));
-
- TemplateParameterList* TemplateParams =
- TemplateParameterList::Create(*Context, TemplateLoc, LAngleLoc,
- Params.data(), Params.size(), RAngleLoc);
- return TemplateParams;
-}
-
-void
-ASTReader::
-ReadTemplateArgumentList(llvm::SmallVector<TemplateArgument, 8> &TemplArgs,
- llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- unsigned NumTemplateArgs = Record[Idx++];
- TemplArgs.reserve(NumTemplateArgs);
- while (NumTemplateArgs--)
- TemplArgs.push_back(ReadTemplateArgument(DeclsCursor, Record, Idx));
-}
-
-/// \brief Read a UnresolvedSet structure.
-void ASTReader::ReadUnresolvedSet(UnresolvedSetImpl &Set,
- const RecordData &Record, unsigned &Idx) {
- unsigned NumDecls = Record[Idx++];
- while (NumDecls--) {
- NamedDecl *D = cast<NamedDecl>(GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- Set.addDecl(D, AS);
- }
-}
-
-CXXBaseSpecifier
-ASTReader::ReadCXXBaseSpecifier(llvm::BitstreamCursor &DeclsCursor,
- const RecordData &Record, unsigned &Idx) {
- bool isVirtual = static_cast<bool>(Record[Idx++]);
- bool isBaseOfClass = static_cast<bool>(Record[Idx++]);
- AccessSpecifier AS = static_cast<AccessSpecifier>(Record[Idx++]);
- TypeSourceInfo *TInfo = GetTypeSourceInfo(DeclsCursor, Record, Idx);
- SourceRange Range = ReadSourceRange(Record, Idx);
- return CXXBaseSpecifier(Range, isVirtual, isBaseOfClass, AS, TInfo);
-}
-
-std::pair<CXXBaseOrMemberInitializer **, unsigned>
-ASTReader::ReadCXXBaseOrMemberInitializers(llvm::BitstreamCursor &Cursor,
- const RecordData &Record,
- unsigned &Idx) {
- CXXBaseOrMemberInitializer **BaseOrMemberInitializers = 0;
- unsigned NumInitializers = Record[Idx++];
- if (NumInitializers) {
- ASTContext &C = *getContext();
-
- BaseOrMemberInitializers
- = new (C) CXXBaseOrMemberInitializer*[NumInitializers];
- for (unsigned i=0; i != NumInitializers; ++i) {
- TypeSourceInfo *BaseClassInfo = 0;
- bool IsBaseVirtual = false;
- FieldDecl *Member = 0;
-
- bool IsBaseInitializer = Record[Idx++];
- if (IsBaseInitializer) {
- BaseClassInfo = GetTypeSourceInfo(Cursor, Record, Idx);
- IsBaseVirtual = Record[Idx++];
- } else {
- Member = cast<FieldDecl>(GetDecl(Record[Idx++]));
- }
- SourceLocation MemberLoc = ReadSourceLocation(Record, Idx);
- Expr *Init = ReadExpr(Cursor);
- FieldDecl *AnonUnionMember
- = cast_or_null<FieldDecl>(GetDecl(Record[Idx++]));
- SourceLocation LParenLoc = ReadSourceLocation(Record, Idx);
- SourceLocation RParenLoc = ReadSourceLocation(Record, Idx);
- bool IsWritten = Record[Idx++];
- unsigned SourceOrderOrNumArrayIndices;
- llvm::SmallVector<VarDecl *, 8> Indices;
- if (IsWritten) {
- SourceOrderOrNumArrayIndices = Record[Idx++];
- } else {
- SourceOrderOrNumArrayIndices = Record[Idx++];
- Indices.reserve(SourceOrderOrNumArrayIndices);
- for (unsigned i=0; i != SourceOrderOrNumArrayIndices; ++i)
- Indices.push_back(cast<VarDecl>(GetDecl(Record[Idx++])));
- }
-
- CXXBaseOrMemberInitializer *BOMInit;
- if (IsBaseInitializer) {
- BOMInit = new (C) CXXBaseOrMemberInitializer(C, BaseClassInfo,
- IsBaseVirtual, LParenLoc,
- Init, RParenLoc);
- } else if (IsWritten) {
- BOMInit = new (C) CXXBaseOrMemberInitializer(C, Member, MemberLoc,
- LParenLoc, Init, RParenLoc);
- } else {
- BOMInit = CXXBaseOrMemberInitializer::Create(C, Member, MemberLoc,
- LParenLoc, Init, RParenLoc,
- Indices.data(),
- Indices.size());
- }
-
- BOMInit->setAnonUnionMember(AnonUnionMember);
- BaseOrMemberInitializers[i] = BOMInit;
- }
- }
-
- return std::make_pair(BaseOrMemberInitializers, NumInitializers);
-}
-
-NestedNameSpecifier *
-ASTReader::ReadNestedNameSpecifier(const RecordData &Record, unsigned &Idx) {
- unsigned N = Record[Idx++];
- NestedNameSpecifier *NNS = 0, *Prev = 0;
- for (unsigned I = 0; I != N; ++I) {
- NestedNameSpecifier::SpecifierKind Kind
- = (NestedNameSpecifier::SpecifierKind)Record[Idx++];
- switch (Kind) {
- case NestedNameSpecifier::Identifier: {
- IdentifierInfo *II = GetIdentifierInfo(Record, Idx);
- NNS = NestedNameSpecifier::Create(*Context, Prev, II);
- break;
- }
-
- case NestedNameSpecifier::Namespace: {
- NamespaceDecl *NS = cast<NamespaceDecl>(GetDecl(Record[Idx++]));
- NNS = NestedNameSpecifier::Create(*Context, Prev, NS);
- break;
- }
-
- case NestedNameSpecifier::TypeSpec:
- case NestedNameSpecifier::TypeSpecWithTemplate: {
- Type *T = GetType(Record[Idx++]).getTypePtr();
- bool Template = Record[Idx++];
- NNS = NestedNameSpecifier::Create(*Context, Prev, Template, T);
- break;
- }
-
- case NestedNameSpecifier::Global: {
- NNS = NestedNameSpecifier::GlobalSpecifier(*Context);
- // No associated value, and there can't be a prefix.
- break;
- }
- }
- Prev = NNS;
- }
- return NNS;
-}
-
-SourceRange
-ASTReader::ReadSourceRange(const RecordData &Record, unsigned &Idx) {
- SourceLocation beg = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation end = SourceLocation::getFromRawEncoding(Record[Idx++]);
- return SourceRange(beg, end);
-}
-
-/// \brief Read an integral value
-llvm::APInt ASTReader::ReadAPInt(const RecordData &Record, unsigned &Idx) {
- unsigned BitWidth = Record[Idx++];
- unsigned NumWords = llvm::APInt::getNumWords(BitWidth);
- llvm::APInt Result(BitWidth, NumWords, &Record[Idx]);
- Idx += NumWords;
- return Result;
-}
-
-/// \brief Read a signed integral value
-llvm::APSInt ASTReader::ReadAPSInt(const RecordData &Record, unsigned &Idx) {
- bool isUnsigned = Record[Idx++];
- return llvm::APSInt(ReadAPInt(Record, Idx), isUnsigned);
-}
-
-/// \brief Read a floating-point value
-llvm::APFloat ASTReader::ReadAPFloat(const RecordData &Record, unsigned &Idx) {
- return llvm::APFloat(ReadAPInt(Record, Idx));
-}
-
-// \brief Read a string
-std::string ASTReader::ReadString(const RecordData &Record, unsigned &Idx) {
- unsigned Len = Record[Idx++];
- std::string Result(Record.data() + Idx, Record.data() + Idx + Len);
- Idx += Len;
- return Result;
-}
-
-CXXTemporary *ASTReader::ReadCXXTemporary(const RecordData &Record,
- unsigned &Idx) {
- CXXDestructorDecl *Decl = cast<CXXDestructorDecl>(GetDecl(Record[Idx++]));
- return CXXTemporary::Create(*Context, Decl);
-}
-
-DiagnosticBuilder ASTReader::Diag(unsigned DiagID) {
- return Diag(SourceLocation(), DiagID);
-}
-
-DiagnosticBuilder ASTReader::Diag(SourceLocation Loc, unsigned DiagID) {
- return Diags.Report(FullSourceLoc(Loc, SourceMgr), DiagID);
-}
-
-/// \brief Retrieve the identifier table associated with the
-/// preprocessor.
-IdentifierTable &ASTReader::getIdentifierTable() {
- assert(PP && "Forgot to set Preprocessor ?");
- return PP->getIdentifierTable();
-}
-
-/// \brief Record that the given ID maps to the given switch-case
-/// statement.
-void ASTReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) {
- assert(SwitchCaseStmts[ID] == 0 && "Already have a SwitchCase with this ID");
- SwitchCaseStmts[ID] = SC;
-}
-
-/// \brief Retrieve the switch-case statement with the given ID.
-SwitchCase *ASTReader::getSwitchCaseWithID(unsigned ID) {
- assert(SwitchCaseStmts[ID] != 0 && "No SwitchCase with this ID");
- return SwitchCaseStmts[ID];
-}
-
-/// \brief Record that the given label statement has been
-/// deserialized and has the given ID.
-void ASTReader::RecordLabelStmt(LabelStmt *S, unsigned ID) {
- assert(LabelStmts.find(ID) == LabelStmts.end() &&
- "Deserialized label twice");
- LabelStmts[ID] = S;
-
- // If we've already seen any goto statements that point to this
- // label, resolve them now.
- typedef std::multimap<unsigned, GotoStmt *>::iterator GotoIter;
- std::pair<GotoIter, GotoIter> Gotos = UnresolvedGotoStmts.equal_range(ID);
- for (GotoIter Goto = Gotos.first; Goto != Gotos.second; ++Goto)
- Goto->second->setLabel(S);
- UnresolvedGotoStmts.erase(Gotos.first, Gotos.second);
-
- // If we've already seen any address-label statements that point to
- // this label, resolve them now.
- typedef std::multimap<unsigned, AddrLabelExpr *>::iterator AddrLabelIter;
- std::pair<AddrLabelIter, AddrLabelIter> AddrLabels
- = UnresolvedAddrLabelExprs.equal_range(ID);
- for (AddrLabelIter AddrLabel = AddrLabels.first;
- AddrLabel != AddrLabels.second; ++AddrLabel)
- AddrLabel->second->setLabel(S);
- UnresolvedAddrLabelExprs.erase(AddrLabels.first, AddrLabels.second);
-}
-
-/// \brief Set the label of the given statement to the label
-/// identified by ID.
-///
-/// Depending on the order in which the label and other statements
-/// referencing that label occur, this operation may complete
-/// immediately (updating the statement) or it may queue the
-/// statement to be back-patched later.
-void ASTReader::SetLabelOf(GotoStmt *S, unsigned ID) {
- std::map<unsigned, LabelStmt *>::iterator Label = LabelStmts.find(ID);
- if (Label != LabelStmts.end()) {
- // We've already seen this label, so set the label of the goto and
- // we're done.
- S->setLabel(Label->second);
- } else {
- // We haven't seen this label yet, so add this goto to the set of
- // unresolved goto statements.
- UnresolvedGotoStmts.insert(std::make_pair(ID, S));
- }
-}
-
-/// \brief Set the label of the given expression to the label
-/// identified by ID.
-///
-/// Depending on the order in which the label and other statements
-/// referencing that label occur, this operation may complete
-/// immediately (updating the statement) or it may queue the
-/// statement to be back-patched later.
-void ASTReader::SetLabelOf(AddrLabelExpr *S, unsigned ID) {
- std::map<unsigned, LabelStmt *>::iterator Label = LabelStmts.find(ID);
- if (Label != LabelStmts.end()) {
- // We've already seen this label, so set the label of the
- // label-address expression and we're done.
- S->setLabel(Label->second);
- } else {
- // We haven't seen this label yet, so add this label-address
- // expression to the set of unresolved label-address expressions.
- UnresolvedAddrLabelExprs.insert(std::make_pair(ID, S));
- }
-}
-
-void ASTReader::FinishedDeserializing() {
- assert(NumCurrentElementsDeserializing &&
- "FinishedDeserializing not paired with StartedDeserializing");
- if (NumCurrentElementsDeserializing == 1) {
- // If any identifiers with corresponding top-level declarations have
- // been loaded, load those declarations now.
- while (!PendingIdentifierInfos.empty()) {
- SetGloballyVisibleDecls(PendingIdentifierInfos.front().II,
- PendingIdentifierInfos.front().DeclIDs, true);
- PendingIdentifierInfos.pop_front();
- }
-
- // We are not in recursive loading, so it's safe to pass the "interesting"
- // decls to the consumer.
- if (Consumer)
- PassInterestingDeclsToConsumer();
- }
- --NumCurrentElementsDeserializing;
-}
Removed: cfe/trunk/lib/Serialization/PCHReaderDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/PCHReaderDecl.cpp?rev=111472&view=auto
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReaderDecl.cpp (original)
+++ cfe/trunk/lib/Serialization/PCHReaderDecl.cpp (removed)
@@ -1,1447 +0,0 @@
-//===--- PCHReaderDecl.cpp - Decl Deserialization ---------------*- 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 ASTReader::ReadDeclRecord method, which is the
-// entrypoint for loading a decl.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Serialization/PCHReader.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/DeclVisitor.h"
-#include "clang/AST/DeclGroup.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/DeclTemplate.h"
-#include "clang/AST/Expr.h"
-using namespace clang;
-
-
-//===----------------------------------------------------------------------===//
-// Declaration deserialization
-//===----------------------------------------------------------------------===//
-
-namespace clang {
- class ASTDeclReader : public DeclVisitor<ASTDeclReader, void> {
- ASTReader &Reader;
- llvm::BitstreamCursor &Cursor;
- const pch::DeclID ThisDeclID;
- const ASTReader::RecordData &Record;
- unsigned &Idx;
- pch::TypeID TypeIDForTypeDecl;
-
- uint64_t GetCurrentCursorOffset();
-
- public:
- ASTDeclReader(ASTReader &Reader, llvm::BitstreamCursor &Cursor,
- pch::DeclID thisDeclID, const ASTReader::RecordData &Record,
- unsigned &Idx)
- : Reader(Reader), Cursor(Cursor), ThisDeclID(thisDeclID), Record(Record),
- Idx(Idx), TypeIDForTypeDecl(0) { }
-
- void Visit(Decl *D);
-
- void VisitDecl(Decl *D);
- void VisitTranslationUnitDecl(TranslationUnitDecl *TU);
- void VisitNamedDecl(NamedDecl *ND);
- void VisitNamespaceDecl(NamespaceDecl *D);
- void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
- void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
- void VisitTypeDecl(TypeDecl *TD);
- void VisitTypedefDecl(TypedefDecl *TD);
- void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
- void VisitTagDecl(TagDecl *TD);
- void VisitEnumDecl(EnumDecl *ED);
- void VisitRecordDecl(RecordDecl *RD);
- void VisitCXXRecordDecl(CXXRecordDecl *D);
- void VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D);
- void VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D);
- void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D);
- void VisitValueDecl(ValueDecl *VD);
- void VisitEnumConstantDecl(EnumConstantDecl *ECD);
- void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
- void VisitDeclaratorDecl(DeclaratorDecl *DD);
- void VisitFunctionDecl(FunctionDecl *FD);
- void VisitCXXMethodDecl(CXXMethodDecl *D);
- void VisitCXXConstructorDecl(CXXConstructorDecl *D);
- void VisitCXXDestructorDecl(CXXDestructorDecl *D);
- void VisitCXXConversionDecl(CXXConversionDecl *D);
- void VisitFieldDecl(FieldDecl *FD);
- void VisitVarDecl(VarDecl *VD);
- void VisitImplicitParamDecl(ImplicitParamDecl *PD);
- void VisitParmVarDecl(ParmVarDecl *PD);
- void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D);
- void VisitTemplateDecl(TemplateDecl *D);
- void VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D);
- void VisitClassTemplateDecl(ClassTemplateDecl *D);
- void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
- void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D);
- void VisitUsingDecl(UsingDecl *D);
- void VisitUsingShadowDecl(UsingShadowDecl *D);
- void VisitLinkageSpecDecl(LinkageSpecDecl *D);
- void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD);
- void VisitAccessSpecDecl(AccessSpecDecl *D);
- void VisitFriendDecl(FriendDecl *D);
- void VisitFriendTemplateDecl(FriendTemplateDecl *D);
- void VisitStaticAssertDecl(StaticAssertDecl *D);
- void VisitBlockDecl(BlockDecl *BD);
-
- std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC);
- template <typename T> void VisitRedeclarable(Redeclarable<T> *D);
-
- // FIXME: Reorder according to DeclNodes.td?
- void VisitObjCMethodDecl(ObjCMethodDecl *D);
- void VisitObjCContainerDecl(ObjCContainerDecl *D);
- void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
- void VisitObjCIvarDecl(ObjCIvarDecl *D);
- void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
- void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D);
- void VisitObjCClassDecl(ObjCClassDecl *D);
- void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
- void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
- void VisitObjCImplDecl(ObjCImplDecl *D);
- void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
- void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
- void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
- void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
- void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
- };
-}
-
-uint64_t ASTDeclReader::GetCurrentCursorOffset() {
- uint64_t Off = 0;
- for (unsigned I = 0, N = Reader.Chain.size(); I != N; ++I) {
- ASTReader::PerFileData &F = *Reader.Chain[N - I - 1];
- if (&Cursor == &F.DeclsCursor) {
- Off += F.DeclsCursor.GetCurrentBitNo();
- break;
- }
- Off += F.SizeInBits;
- }
- return Off;
-}
-
-void ASTDeclReader::Visit(Decl *D) {
- DeclVisitor<ASTDeclReader, void>::Visit(D);
-
- if (TypeDecl *TD = dyn_cast<TypeDecl>(D)) {
- // if we have a fully initialized TypeDecl, we can safely read its type now.
- TD->setTypeForDecl(Reader.GetType(TypeIDForTypeDecl).getTypePtr());
- } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
- // FunctionDecl's body was written last after all other Stmts/Exprs.
- if (Record[Idx++])
- FD->setLazyBody(GetCurrentCursorOffset());
- }
-}
-
-void ASTDeclReader::VisitDecl(Decl *D) {
- D->setDeclContext(cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
- D->setLexicalDeclContext(
- cast_or_null<DeclContext>(Reader.GetDecl(Record[Idx++])));
- D->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setInvalidDecl(Record[Idx++]);
- if (Record[Idx++]) {
- AttrVec Attrs;
- Reader.ReadAttributes(Cursor, Attrs);
- D->setAttrs(Attrs);
- }
- D->setImplicit(Record[Idx++]);
- D->setUsed(Record[Idx++]);
- D->setAccess((AccessSpecifier)Record[Idx++]);
- D->setPCHLevel(Record[Idx++] + 1);
-}
-
-void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
- VisitDecl(TU);
- TU->setAnonymousNamespace(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitNamedDecl(NamedDecl *ND) {
- VisitDecl(ND);
- ND->setDeclName(Reader.ReadDeclarationName(Record, Idx));
-}
-
-void ASTDeclReader::VisitTypeDecl(TypeDecl *TD) {
- VisitNamedDecl(TD);
- // Delay type reading until after we have fully initialized the decl.
- TypeIDForTypeDecl = Record[Idx++];
-}
-
-void ASTDeclReader::VisitTypedefDecl(TypedefDecl *TD) {
- VisitTypeDecl(TD);
- TD->setTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
-}
-
-void ASTDeclReader::VisitTagDecl(TagDecl *TD) {
- VisitTypeDecl(TD);
- TD->IdentifierNamespace = Record[Idx++];
- VisitRedeclarable(TD);
- TD->setTagKind((TagDecl::TagKind)Record[Idx++]);
- TD->setDefinition(Record[Idx++]);
- TD->setEmbeddedInDeclarator(Record[Idx++]);
- TD->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TD->setTagKeywordLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- // FIXME: maybe read optional qualifier and its range.
- TD->setTypedefForAnonDecl(
- cast_or_null<TypedefDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitEnumDecl(EnumDecl *ED) {
- VisitTagDecl(ED);
- ED->setIntegerType(Reader.GetType(Record[Idx++]));
- ED->setPromotionType(Reader.GetType(Record[Idx++]));
- ED->setNumPositiveBits(Record[Idx++]);
- ED->setNumNegativeBits(Record[Idx++]);
- ED->setInstantiationOfMemberEnum(
- cast_or_null<EnumDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitRecordDecl(RecordDecl *RD) {
- VisitTagDecl(RD);
- RD->setHasFlexibleArrayMember(Record[Idx++]);
- RD->setAnonymousStructOrUnion(Record[Idx++]);
- RD->setHasObjectMember(Record[Idx++]);
-}
-
-void ASTDeclReader::VisitValueDecl(ValueDecl *VD) {
- VisitNamedDecl(VD);
- VD->setType(Reader.GetType(Record[Idx++]));
-}
-
-void ASTDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) {
- VisitValueDecl(ECD);
- if (Record[Idx++])
- ECD->setInitExpr(Reader.ReadExpr(Cursor));
- ECD->setInitVal(Reader.ReadAPSInt(Record, Idx));
-}
-
-void ASTDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) {
- VisitValueDecl(DD);
- TypeSourceInfo *TInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- if (TInfo)
- DD->setTypeSourceInfo(TInfo);
- // FIXME: read optional qualifier and its range.
-}
-
-void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
- VisitDeclaratorDecl(FD);
- // FIXME: read DeclarationNameLoc.
-
- FD->IdentifierNamespace = Record[Idx++];
- switch ((FunctionDecl::TemplatedKind)Record[Idx++]) {
- default: assert(false && "Unhandled TemplatedKind!");
- break;
- case FunctionDecl::TK_NonTemplate:
- break;
- case FunctionDecl::TK_FunctionTemplate:
- FD->setDescribedFunctionTemplate(
- cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++])));
- break;
- case FunctionDecl::TK_MemberSpecialization: {
- FunctionDecl *InstFD = cast<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- FD->setInstantiationOfMemberFunction(InstFD, TSK);
- FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
- break;
- }
- case FunctionDecl::TK_FunctionTemplateSpecialization: {
- FunctionTemplateDecl *Template
- = cast<FunctionTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
-
- // Template arguments.
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
-
- // Template args as written.
- llvm::SmallVector<TemplateArgumentLoc, 8> TemplArgLocs;
- SourceLocation LAngleLoc, RAngleLoc;
- if (Record[Idx++]) { // TemplateArgumentsAsWritten != 0
- unsigned NumTemplateArgLocs = Record[Idx++];
- TemplArgLocs.reserve(NumTemplateArgLocs);
- for (unsigned i=0; i != NumTemplateArgLocs; ++i)
- TemplArgLocs.push_back(
- Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
-
- LAngleLoc = Reader.ReadSourceLocation(Record, Idx);
- RAngleLoc = Reader.ReadSourceLocation(Record, Idx);
- }
-
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
-
- if (FD->isCanonicalDecl()) // if canonical add to template's set.
- FD->setFunctionTemplateSpecialization(Template, TemplArgs.size(),
- TemplArgs.data(), TSK,
- TemplArgLocs.size(),
- TemplArgLocs.data(),
- LAngleLoc, RAngleLoc, POI);
- break;
- }
- case FunctionDecl::TK_DependentFunctionTemplateSpecialization: {
- // Templates.
- UnresolvedSet<8> TemplDecls;
- unsigned NumTemplates = Record[Idx++];
- while (NumTemplates--)
- TemplDecls.addDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
-
- // Templates args.
- TemplateArgumentListInfo TemplArgs;
- unsigned NumArgs = Record[Idx++];
- while (NumArgs--)
- TemplArgs.addArgument(Reader.ReadTemplateArgumentLoc(Cursor,Record, Idx));
- TemplArgs.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- TemplArgs.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx));
-
- FD->setDependentTemplateSpecialization(*Reader.getContext(),
- TemplDecls, TemplArgs);
- break;
- }
- }
-
- // FunctionDecl's body is handled last at ASTDeclReader::Visit,
- // after everything else is read.
-
- VisitRedeclarable(FD);
- FD->setStorageClass((FunctionDecl::StorageClass)Record[Idx++]);
- FD->setStorageClassAsWritten((FunctionDecl::StorageClass)Record[Idx++]);
- FD->setInlineSpecified(Record[Idx++]);
- FD->setVirtualAsWritten(Record[Idx++]);
- FD->setPure(Record[Idx++]);
- FD->setHasInheritedPrototype(Record[Idx++]);
- FD->setHasWrittenPrototype(Record[Idx++]);
- FD->setDeleted(Record[Idx++]);
- FD->setTrivial(Record[Idx++]);
- FD->setCopyAssignment(Record[Idx++]);
- FD->setHasImplicitReturnZero(Record[Idx++]);
- FD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- // Read in the parameters.
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- FD->setParams(Params.data(), NumParams);
-}
-
-void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) {
- VisitNamedDecl(MD);
- if (Record[Idx++]) {
- // In practice, this won't be executed (since method definitions
- // don't occur in header files).
- MD->setBody(Reader.ReadStmt(Cursor));
- MD->setSelfDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
- MD->setCmdDecl(cast<ImplicitParamDecl>(Reader.GetDecl(Record[Idx++])));
- }
- MD->setInstanceMethod(Record[Idx++]);
- MD->setVariadic(Record[Idx++]);
- MD->setSynthesized(Record[Idx++]);
- MD->setDefined(Record[Idx++]);
- MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]);
- MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
- MD->setNumSelectorArgs(unsigned(Record[Idx++]));
- MD->setResultType(Reader.GetType(Record[Idx++]));
- MD->setResultTypeSourceInfo(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- MD->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- MD->setMethodParams(*Reader.getContext(), Params.data(), NumParams,
- NumParams);
-}
-
-void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) {
- VisitNamedDecl(CD);
- SourceLocation A = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation B = SourceLocation::getFromRawEncoding(Record[Idx++]);
- CD->setAtEndRange(SourceRange(A, B));
-}
-
-void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) {
- VisitObjCContainerDecl(ID);
- ID->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtr());
- ID->setSuperClass(cast_or_null<ObjCInterfaceDecl>
- (Reader.GetDecl(Record[Idx++])));
- unsigned NumProtocols = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> Protocols;
- Protocols.reserve(NumProtocols);
- for (unsigned I = 0; I != NumProtocols; ++I)
- Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtocols);
- for (unsigned I = 0; I != NumProtocols; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(),
- *Reader.getContext());
- unsigned NumIvars = Record[Idx++];
- llvm::SmallVector<ObjCIvarDecl *, 16> IVars;
- IVars.reserve(NumIvars);
- for (unsigned I = 0; I != NumIvars; ++I)
- IVars.push_back(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- ID->setCategoryList(
- cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
- ID->setForwardDecl(Record[Idx++]);
- ID->setImplicitInterfaceDecl(Record[Idx++]);
- ID->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setSuperClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- ID->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {
- VisitFieldDecl(IVD);
- IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]);
- bool synth = Record[Idx++];
- IVD->setSynthesize(synth);
-}
-
-void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) {
- VisitObjCContainerDecl(PD);
- PD->setForwardDecl(Record[Idx++]);
- PD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
-}
-
-void ASTDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) {
- VisitFieldDecl(FD);
-}
-
-void ASTDeclReader::VisitObjCClassDecl(ObjCClassDecl *CD) {
- VisitDecl(CD);
- unsigned NumClassRefs = Record[Idx++];
- llvm::SmallVector<ObjCInterfaceDecl *, 16> ClassRefs;
- ClassRefs.reserve(NumClassRefs);
- for (unsigned I = 0; I != NumClassRefs; ++I)
- ClassRefs.push_back(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> SLocs;
- SLocs.reserve(NumClassRefs);
- for (unsigned I = 0; I != NumClassRefs; ++I)
- SLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setClassList(*Reader.getContext(), ClassRefs.data(), SLocs.data(),
- NumClassRefs);
-}
-
-void ASTDeclReader::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *FPD) {
- VisitDecl(FPD);
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- FPD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
-}
-
-void ASTDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) {
- VisitObjCContainerDecl(CD);
- CD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- unsigned NumProtoRefs = Record[Idx++];
- llvm::SmallVector<ObjCProtocolDecl *, 16> ProtoRefs;
- ProtoRefs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoRefs.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::SmallVector<SourceLocation, 16> ProtoLocs;
- ProtoLocs.reserve(NumProtoRefs);
- for (unsigned I = 0; I != NumProtoRefs; ++I)
- ProtoLocs.push_back(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(),
- *Reader.getContext());
- CD->setNextClassCategory(cast_or_null<ObjCCategoryDecl>(Reader.GetDecl(Record[Idx++])));
- CD->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- CD->setCategoryNameLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) {
- VisitNamedDecl(CAD);
- CAD->setClassInterface(cast<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) {
- VisitNamedDecl(D);
- D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setType(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- // FIXME: stable encoding
- D->setPropertyAttributes(
- (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
- D->setPropertyAttributesAsWritten(
- (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]);
- // FIXME: stable encoding
- D->setPropertyImplementation(
- (ObjCPropertyDecl::PropertyControl)Record[Idx++]);
- D->setGetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
- D->setSetterName(Reader.ReadDeclarationName(Record, Idx).getObjCSelector());
- D->setGetterMethodDecl(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- D->setSetterMethodDecl(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- D->setPropertyIvarDecl(
- cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) {
- VisitObjCContainerDecl(D);
- D->setClassInterface(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) {
- VisitObjCImplDecl(D);
- D->setIdentifier(Reader.GetIdentifierInfo(Record, Idx));
-}
-
-void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) {
- VisitObjCImplDecl(D);
- D->setSuperClass(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- llvm::tie(D->IvarInitializers, D->NumIvarInitializers)
- = Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
-}
-
-
-void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) {
- VisitDecl(D);
- D->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- D->setPropertyDecl(
- cast_or_null<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
- D->setPropertyIvarDecl(
- cast_or_null<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- D->setGetterCXXConstructor(Reader.ReadExpr(Cursor));
- D->setSetterCXXAssignment(Reader.ReadExpr(Cursor));
-}
-
-void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) {
- VisitDeclaratorDecl(FD);
- FD->setMutable(Record[Idx++]);
- if (Record[Idx++])
- FD->setBitWidth(Reader.ReadExpr(Cursor));
- if (!FD->getDeclName()) {
- FieldDecl *Tmpl = cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++]));
- if (Tmpl)
- Reader.getContext()->setInstantiatedFromUnnamedFieldDecl(FD, Tmpl);
- }
-}
-
-void ASTDeclReader::VisitVarDecl(VarDecl *VD) {
- VisitDeclaratorDecl(VD);
- VD->setStorageClass((VarDecl::StorageClass)Record[Idx++]);
- VD->setStorageClassAsWritten((VarDecl::StorageClass)Record[Idx++]);
- VD->setThreadSpecified(Record[Idx++]);
- VD->setCXXDirectInitializer(Record[Idx++]);
- VD->setExceptionVariable(Record[Idx++]);
- VD->setNRVOVariable(Record[Idx++]);
- VisitRedeclarable(VD);
- if (Record[Idx++])
- VD->setInit(Reader.ReadExpr(Cursor));
-
- if (Record[Idx++]) { // HasMemberSpecializationInfo.
- VarDecl *Tmpl = cast<VarDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- Reader.getContext()->setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI);
- }
-}
-
-void ASTDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) {
- VisitVarDecl(PD);
-}
-
-void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
- VisitVarDecl(PD);
- PD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]);
- PD->setHasInheritedDefaultArg(Record[Idx++]);
- if (Record[Idx++]) // hasUninstantiatedDefaultArg.
- PD->setUninstantiatedDefaultArg(Reader.ReadExpr(Cursor));
-}
-
-void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) {
- VisitDecl(AD);
- AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(Cursor)));
-}
-
-void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) {
- VisitDecl(BD);
- BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(Cursor)));
- BD->setSignatureAsWritten(Reader.GetTypeSourceInfo(Cursor, Record, Idx));
- unsigned NumParams = Record[Idx++];
- llvm::SmallVector<ParmVarDecl *, 16> Params;
- Params.reserve(NumParams);
- for (unsigned I = 0; I != NumParams; ++I)
- Params.push_back(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- BD->setParams(Params.data(), NumParams);
-}
-
-void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
- VisitDecl(D);
- D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]);
- D->setHasBraces(Record[Idx++]);
-}
-
-void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) {
- VisitNamedDecl(D);
- D->setLBracLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setRBracLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setNextNamespace(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-
- bool IsOriginal = Record[Idx++];
- D->OrigOrAnonNamespace.setInt(IsOriginal);
- D->OrigOrAnonNamespace.setPointer(
- cast_or_null<NamespaceDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
- VisitNamedDecl(D);
-
- D->setAliasLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- D->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- D->setTargetNameLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setAliasedNamespace(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitUsingDecl(UsingDecl *D) {
- VisitNamedDecl(D);
- D->setUsingLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setTargetNestedNameDecl(Reader.ReadNestedNameSpecifier(Record, Idx));
- // FIXME: read the DNLoc component.
-
- // FIXME: It would probably be more efficient to read these into a vector
- // and then re-cosntruct the shadow decl set over that vector since it
- // would avoid existence checks.
- unsigned NumShadows = Record[Idx++];
- for(unsigned I = 0; I != NumShadows; ++I) {
- // Avoid invariant checking of UsingDecl::addShadowDecl, the decl may still
- // be initializing.
- D->Shadows.insert(cast<UsingShadowDecl>(Reader.GetDecl(Record[Idx++])));
- }
- D->setTypeName(Record[Idx++]);
- NamedDecl *Pattern = cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- if (Pattern)
- Reader.getContext()->setInstantiatedFromUsingDecl(D, Pattern);
-}
-
-void ASTDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) {
- VisitNamedDecl(D);
- D->setTargetDecl(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- D->setUsingDecl(cast<UsingDecl>(Reader.GetDecl(Record[Idx++])));
- UsingShadowDecl *Pattern
- = cast_or_null<UsingShadowDecl>(Reader.GetDecl(Record[Idx++]));
- if (Pattern)
- Reader.getContext()->setInstantiatedFromUsingShadowDecl(D, Pattern);
-}
-
-void ASTDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
- VisitNamedDecl(D);
- D->setNamespaceKeyLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- D->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- D->setIdentLocation(Reader.ReadSourceLocation(Record, Idx));
- D->setNominatedNamespace(cast<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- D->setCommonAncestor(cast_or_null<DeclContext>(
- Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
- VisitValueDecl(D);
- D->setTargetNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setUsingLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTargetNestedNameSpecifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- // FIXME: read the DNLoc component.
-}
-
-void ASTDeclReader::VisitUnresolvedUsingTypenameDecl(
- UnresolvedUsingTypenameDecl *D) {
- VisitTypeDecl(D);
- D->setTargetNestedNameRange(Reader.ReadSourceRange(Record, Idx));
- D->setUsingLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTypenameLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTargetNestedNameSpecifier(Reader.ReadNestedNameSpecifier(Record, Idx));
-}
-
-void ASTDeclReader::VisitCXXRecordDecl(CXXRecordDecl *D) {
- ASTContext &C = *Reader.getContext();
-
- // We need to allocate the DefinitionData struct ahead of VisitRecordDecl
- // so that the other CXXRecordDecls can get a pointer even when the owner
- // is still initializing.
- bool OwnsDefinitionData = false;
- enum DataOwnership { Data_NoDefData, Data_Owner, Data_NotOwner };
- switch ((DataOwnership)Record[Idx++]) {
- default:
- assert(0 && "Out of sync with ASTDeclWriter or messed up reading");
- case Data_NoDefData:
- break;
- case Data_Owner:
- OwnsDefinitionData = true;
- D->DefinitionData = new (C) struct CXXRecordDecl::DefinitionData(D);
- break;
- case Data_NotOwner:
- D->DefinitionData
- = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]))->DefinitionData;
- break;
- }
-
- VisitRecordDecl(D);
-
- if (OwnsDefinitionData) {
- assert(D->DefinitionData);
- struct CXXRecordDecl::DefinitionData &Data = *D->DefinitionData;
-
- Data.UserDeclaredConstructor = Record[Idx++];
- Data.UserDeclaredCopyConstructor = Record[Idx++];
- Data.UserDeclaredCopyAssignment = Record[Idx++];
- Data.UserDeclaredDestructor = Record[Idx++];
- Data.Aggregate = Record[Idx++];
- Data.PlainOldData = Record[Idx++];
- Data.Empty = Record[Idx++];
- Data.Polymorphic = Record[Idx++];
- Data.Abstract = Record[Idx++];
- Data.HasTrivialConstructor = Record[Idx++];
- Data.HasTrivialCopyConstructor = Record[Idx++];
- Data.HasTrivialCopyAssignment = Record[Idx++];
- Data.HasTrivialDestructor = Record[Idx++];
- Data.ComputedVisibleConversions = Record[Idx++];
- Data.DeclaredDefaultConstructor = Record[Idx++];
- Data.DeclaredCopyConstructor = Record[Idx++];
- Data.DeclaredCopyAssignment = Record[Idx++];
- Data.DeclaredDestructor = Record[Idx++];
-
- // setBases() is unsuitable since it may try to iterate the bases of an
- // uninitialized base.
- Data.NumBases = Record[Idx++];
- Data.Bases = new(C) CXXBaseSpecifier [Data.NumBases];
- for (unsigned i = 0; i != Data.NumBases; ++i)
- Data.Bases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
-
- // FIXME: Make VBases lazily computed when needed to avoid storing them.
- Data.NumVBases = Record[Idx++];
- Data.VBases = new(C) CXXBaseSpecifier [Data.NumVBases];
- for (unsigned i = 0; i != Data.NumVBases; ++i)
- Data.VBases[i] = Reader.ReadCXXBaseSpecifier(Cursor, Record, Idx);
-
- Reader.ReadUnresolvedSet(Data.Conversions, Record, Idx);
- Reader.ReadUnresolvedSet(Data.VisibleConversions, Record, Idx);
- assert(Data.Definition && "Data.Definition should be already set!");
- Data.FirstFriend
- = cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
- }
-
- enum CXXRecKind {
- CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization
- };
- switch ((CXXRecKind)Record[Idx++]) {
- default:
- assert(false && "Out of sync with ASTDeclWriter::VisitCXXRecordDecl?");
- case CXXRecNotTemplate:
- break;
- case CXXRecTemplate:
- D->setDescribedClassTemplate(
- cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++])));
- break;
- case CXXRecMemberSpecialization: {
- CXXRecordDecl *RD = cast<CXXRecordDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++];
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- D->setInstantiationOfMemberClass(RD, TSK);
- D->getMemberSpecializationInfo()->setPointOfInstantiation(POI);
- break;
- }
- }
-}
-
-void ASTDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) {
- VisitFunctionDecl(D);
- unsigned NumOverridenMethods = Record[Idx++];
- while (NumOverridenMethods--) {
- CXXMethodDecl *MD = cast<CXXMethodDecl>(Reader.GetDecl(Record[Idx++]));
- // Avoid invariant checking of CXXMethodDecl::addOverriddenMethod,
- // MD may be initializing.
- Reader.getContext()->addOverriddenMethod(D, MD);
- }
-}
-
-void ASTDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- D->IsExplicitSpecified = Record[Idx++];
- D->ImplicitlyDefined = Record[Idx++];
- llvm::tie(D->BaseOrMemberInitializers, D->NumBaseOrMemberInitializers)
- = Reader.ReadCXXBaseOrMemberInitializers(Cursor, Record, Idx);
-}
-
-void ASTDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) {
- VisitCXXMethodDecl(D);
-
- D->ImplicitlyDefined = Record[Idx++];
- D->OperatorDelete = cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++]));
-}
-
-void ASTDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) {
- VisitCXXMethodDecl(D);
- D->IsExplicitSpecified = Record[Idx++];
-}
-
-void ASTDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) {
- VisitDecl(D);
- D->setColonLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
- VisitDecl(D);
- if (Record[Idx++])
- D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- else
- D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- D->NextFriend = cast_or_null<FriendDecl>(Reader.GetDecl(Record[Idx++]));
- D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) {
- VisitDecl(D);
- unsigned NumParams = Record[Idx++];
- D->NumParams = NumParams;
- D->Params = new TemplateParameterList*[NumParams];
- for (unsigned i = 0; i != NumParams; ++i)
- D->Params[i] = Reader.ReadTemplateParameterList(Record, Idx);
- if (Record[Idx++]) // HasFriendDecl
- D->Friend = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- else
- D->Friend = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- D->FriendLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) {
- VisitNamedDecl(D);
-
- NamedDecl *TemplatedDecl
- = cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- TemplateParameterList* TemplateParams
- = Reader.ReadTemplateParameterList(Record, Idx);
- D->init(TemplatedDecl, TemplateParams);
-}
-
-void ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) {
- VisitTemplateDecl(D);
-
- D->IdentifierNamespace = Record[Idx++];
- RedeclarableTemplateDecl *PrevDecl =
- cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- assert((PrevDecl == 0 || PrevDecl->getKind() == D->getKind()) &&
- "PrevDecl kind mismatch");
- if (PrevDecl)
- D->CommonOrPrev = PrevDecl;
- if (PrevDecl == 0) {
- if (RedeclarableTemplateDecl *RTD
- = cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]))) {
- assert(RTD->getKind() == D->getKind() &&
- "InstantiatedFromMemberTemplate kind mismatch");
- D->setInstantiatedFromMemberTemplateImpl(RTD);
- if (Record[Idx++])
- D->setMemberSpecialization();
- }
-
- RedeclarableTemplateDecl *LatestDecl =
- cast_or_null<RedeclarableTemplateDecl>(Reader.GetDecl(Record[Idx++]));
-
- // This decl is a first one and the latest declaration that it points to is
- // in the same AST file. However, if this actually needs to point to a
- // redeclaration in another AST file, we need to update it by checking
- // the FirstLatestDeclIDs map which tracks this kind of decls.
- assert(Reader.GetDecl(ThisDeclID) == D && "Invalid ThisDeclID ?");
- ASTReader::FirstLatestDeclIDMap::iterator I
- = Reader.FirstLatestDeclIDs.find(ThisDeclID);
- if (I != Reader.FirstLatestDeclIDs.end()) {
- Decl *NewLatest = Reader.GetDecl(I->second);
- assert((LatestDecl->getLocation().isInvalid() ||
- NewLatest->getLocation().isInvalid() ||
- Reader.SourceMgr.isBeforeInTranslationUnit(
- LatestDecl->getLocation(),
- NewLatest->getLocation())) &&
- "The new latest is supposed to come after the previous latest");
- LatestDecl = cast<RedeclarableTemplateDecl>(NewLatest);
- }
-
- assert(LatestDecl->getKind() == D->getKind() && "Latest kind mismatch");
- D->getCommonPtr()->Latest = LatestDecl;
- }
-}
-
-void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- // This ClassTemplateDecl owns a CommonPtr; read it.
-
- // FoldingSets are filled in VisitClassTemplateSpecializationDecl.
- unsigned size = Record[Idx++];
- while (size--)
- cast<ClassTemplateSpecializationDecl>(Reader.GetDecl(Record[Idx++]));
-
- size = Record[Idx++];
- while (size--)
- cast<ClassTemplatePartialSpecializationDecl>(
- Reader.GetDecl(Record[Idx++]));
-
- // InjectedClassNameType is computed.
- }
-}
-
-void ASTDeclReader::VisitClassTemplateSpecializationDecl(
- ClassTemplateSpecializationDecl *D) {
- VisitCXXRecordDecl(D);
-
- if (Decl *InstD = Reader.GetDecl(Record[Idx++])) {
- if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) {
- D->setInstantiationOf(CTD);
- } else {
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
- D->setInstantiationOf(cast<ClassTemplatePartialSpecializationDecl>(InstD),
- TemplArgs.data(), TemplArgs.size());
- }
- }
-
- // Explicit info.
- if (TypeSourceInfo *TyInfo = Reader.GetTypeSourceInfo(Cursor, Record, Idx)) {
- D->setTypeAsWritten(TyInfo);
- D->setExternLoc(Reader.ReadSourceLocation(Record, Idx));
- D->setTemplateKeywordLoc(Reader.ReadSourceLocation(Record, Idx));
- }
-
- llvm::SmallVector<TemplateArgument, 8> TemplArgs;
- Reader.ReadTemplateArgumentList(TemplArgs, Cursor, Record, Idx);
- D->initTemplateArgs(TemplArgs.data(), TemplArgs.size());
- SourceLocation POI = Reader.ReadSourceLocation(Record, Idx);
- if (POI.isValid())
- D->setPointOfInstantiation(POI);
- D->setSpecializationKind((TemplateSpecializationKind)Record[Idx++]);
-
- if (D->isCanonicalDecl()) { // It's kept in the folding set.
- ClassTemplateDecl *CanonPattern
- = cast<ClassTemplateDecl>(Reader.GetDecl(Record[Idx++]));
- if (ClassTemplatePartialSpecializationDecl *Partial
- = dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) {
- CanonPattern->getPartialSpecializations().InsertNode(Partial);
- } else {
- CanonPattern->getSpecializations().InsertNode(D);
- }
- }
-}
-
-void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
- ClassTemplatePartialSpecializationDecl *D) {
- VisitClassTemplateSpecializationDecl(D);
-
- D->initTemplateParameters(Reader.ReadTemplateParameterList(Record, Idx));
-
- TemplateArgumentListInfo ArgInfos;
- unsigned NumArgs = Record[Idx++];
- while (NumArgs--)
- ArgInfos.addArgument(Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx));
- D->initTemplateArgsAsWritten(ArgInfos);
-
- D->setSequenceNumber(Record[Idx++]);
-
- // These are read/set from/to the first declaration.
- if (D->getPreviousDeclaration() == 0) {
- D->setInstantiatedFromMember(
- cast_or_null<ClassTemplatePartialSpecializationDecl>(
- Reader.GetDecl(Record[Idx++])));
- if (Record[Idx++])
- D->setMemberSpecialization();
- }
-}
-
-void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
- VisitRedeclarableTemplateDecl(D);
-
- if (D->getPreviousDeclaration() == 0) {
- // This FunctionTemplateDecl owns a CommonPtr; read it.
-
- // Read the function specialization declarations.
- // FunctionTemplateDecl's FunctionTemplateSpecializationInfos are filled
- // through the specialized FunctionDecl's setFunctionTemplateSpecialization.
- unsigned NumSpecs = Record[Idx++];
- while (NumSpecs--)
- Reader.GetDecl(Record[Idx++]);
- }
-}
-
-void ASTDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) {
- VisitTypeDecl(D);
-
- D->setDeclaredWithTypename(Record[Idx++]);
- D->setParameterPack(Record[Idx++]);
-
- bool Inherited = Record[Idx++];
- TypeSourceInfo *DefArg = Reader.GetTypeSourceInfo(Cursor, Record, Idx);
- D->setDefaultArgument(DefArg, Inherited);
-}
-
-void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) {
- VisitVarDecl(D);
- // TemplateParmPosition.
- D->setDepth(Record[Idx++]);
- D->setPosition(Record[Idx++]);
- // Rest of NonTypeTemplateParmDecl.
- if (Record[Idx++]) {
- Expr *DefArg = Reader.ReadExpr(Cursor);
- bool Inherited = Record[Idx++];
- D->setDefaultArgument(DefArg, Inherited);
- }
-}
-
-void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
- VisitTemplateDecl(D);
- // TemplateParmPosition.
- D->setDepth(Record[Idx++]);
- D->setPosition(Record[Idx++]);
- // Rest of TemplateTemplateParmDecl.
- TemplateArgumentLoc Arg = Reader.ReadTemplateArgumentLoc(Cursor, Record, Idx);
- bool IsInherited = Record[Idx++];
- D->setDefaultArgument(Arg, IsInherited);
-}
-
-void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) {
- VisitDecl(D);
- D->AssertExpr = Reader.ReadExpr(Cursor);
- D->Message = cast<StringLiteral>(Reader.ReadExpr(Cursor));
-}
-
-std::pair<uint64_t, uint64_t>
-ASTDeclReader::VisitDeclContext(DeclContext *DC) {
- uint64_t LexicalOffset = Record[Idx++];
- uint64_t VisibleOffset = Record[Idx++];
- return std::make_pair(LexicalOffset, VisibleOffset);
-}
-
-template <typename T>
-void ASTDeclReader::VisitRedeclarable(Redeclarable<T> *D) {
- enum RedeclKind { NoRedeclaration = 0, PointsToPrevious, PointsToLatest };
- RedeclKind Kind = (RedeclKind)Record[Idx++];
- switch (Kind) {
- default:
- assert(0 && "Out of sync with ASTDeclWriter::VisitRedeclarable or messed up"
- " reading");
- case NoRedeclaration:
- break;
- case PointsToPrevious:
- D->RedeclLink = typename Redeclarable<T>::PreviousDeclLink(
- cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
- break;
- case PointsToLatest:
- D->RedeclLink = typename Redeclarable<T>::LatestDeclLink(
- cast_or_null<T>(Reader.GetDecl(Record[Idx++])));
- break;
- }
-
- assert(!(Kind == PointsToPrevious &&
- Reader.FirstLatestDeclIDs.find(ThisDeclID) !=
- Reader.FirstLatestDeclIDs.end()) &&
- "This decl is not first, it should not be in the map");
- if (Kind == PointsToPrevious)
- return;
-
- // This decl is a first one and the latest declaration that it points to is in
- // the same AST file. However, if this actually needs to point to a
- // redeclaration in another AST file, we need to update it by checking the
- // FirstLatestDeclIDs map which tracks this kind of decls.
- assert(Reader.GetDecl(ThisDeclID) == static_cast<T*>(D) &&
- "Invalid ThisDeclID ?");
- ASTReader::FirstLatestDeclIDMap::iterator I
- = Reader.FirstLatestDeclIDs.find(ThisDeclID);
- if (I != Reader.FirstLatestDeclIDs.end()) {
- Decl *NewLatest = Reader.GetDecl(I->second);
- assert((D->getMostRecentDeclaration()->getLocation().isInvalid() ||
- NewLatest->getLocation().isInvalid() ||
- Reader.SourceMgr.isBeforeInTranslationUnit(
- D->getMostRecentDeclaration()->getLocation(),
- NewLatest->getLocation())) &&
- "The new latest is supposed to come after the previous latest");
- D->RedeclLink
- = typename Redeclarable<T>::LatestDeclLink(cast_or_null<T>(NewLatest));
- }
-}
-
-//===----------------------------------------------------------------------===//
-// Attribute Reading
-//===----------------------------------------------------------------------===//
-
-/// \brief Reads attributes from the current stream position.
-void ASTReader::ReadAttributes(llvm::BitstreamCursor &DeclsCursor,
- AttrVec &Attrs) {
- unsigned Code = DeclsCursor.ReadCode();
- assert(Code == llvm::bitc::UNABBREV_RECORD &&
- "Expected unabbreviated record"); (void)Code;
-
- RecordData Record;
- unsigned Idx = 0;
- unsigned RecCode = DeclsCursor.ReadRecord(Code, Record);
- assert(RecCode == pch::DECL_ATTR && "Expected attribute record");
- (void)RecCode;
-
- while (Idx < Record.size()) {
- Attr *New = 0;
- attr::Kind Kind = (attr::Kind)Record[Idx++];
- SourceLocation Loc = SourceLocation::getFromRawEncoding(Record[Idx++]);
- bool isInherited = Record[Idx++];
-
-#include "clang/Serialization/AttrPCHRead.inc"
-
- assert(New && "Unable to decode attribute?");
- New->setInherited(isInherited);
- Attrs.push_back(New);
- }
-}
-
-//===----------------------------------------------------------------------===//
-// ASTReader Implementation
-//===----------------------------------------------------------------------===//
-
-/// \brief Note that we have loaded the declaration with the given
-/// Index.
-///
-/// This routine notes that this declaration has already been loaded,
-/// so that future GetDecl calls will return this declaration rather
-/// than trying to load a new declaration.
-inline void ASTReader::LoadedDecl(unsigned Index, Decl *D) {
- assert(!DeclsLoaded[Index] && "Decl loaded twice?");
- DeclsLoaded[Index] = D;
-}
-
-
-/// \brief Determine whether the consumer will be interested in seeing
-/// this declaration (via HandleTopLevelDecl).
-///
-/// This routine should return true for anything that might affect
-/// code generation, e.g., inline function definitions, Objective-C
-/// declarations with metadata, etc.
-static bool isConsumerInterestedIn(Decl *D) {
- if (isa<FileScopeAsmDecl>(D))
- return true;
- if (VarDecl *Var = dyn_cast<VarDecl>(D))
- return Var->isFileVarDecl() &&
- Var->isThisDeclarationADefinition() == VarDecl::Definition;
- if (FunctionDecl *Func = dyn_cast<FunctionDecl>(D))
- return Func->isThisDeclarationADefinition();
- return isa<ObjCProtocolDecl>(D) || isa<ObjCImplementationDecl>(D);
-}
-
-/// \brief Get the correct cursor and offset for loading a type.
-ASTReader::RecordLocation
-ASTReader::DeclCursorForIndex(unsigned Index, pch::DeclID ID) {
- // See if there's an override.
- DeclReplacementMap::iterator It = ReplacedDecls.find(ID);
- if (It != ReplacedDecls.end())
- return RecordLocation(&It->second.first->DeclsCursor, It->second.second);
-
- PerFileData *F = 0;
- for (unsigned I = 0, N = Chain.size(); I != N; ++I) {
- F = Chain[N - I - 1];
- if (Index < F->LocalNumDecls)
- break;
- Index -= F->LocalNumDecls;
- }
- assert(F && F->LocalNumDecls > Index && "Broken chain");
- return RecordLocation(&F->DeclsCursor, F->DeclOffsets[Index]);
-}
-
-/// \brief Read the declaration at the given offset from the AST file.
-Decl *ASTReader::ReadDeclRecord(unsigned Index, pch::DeclID ID) {
- RecordLocation Loc = DeclCursorForIndex(Index, ID);
- llvm::BitstreamCursor &DeclsCursor = *Loc.first;
- // Keep track of where we are in the stream, then jump back there
- // after reading this declaration.
- SavedStreamPosition SavedPosition(DeclsCursor);
-
- ReadingKindTracker ReadingKind(Read_Decl, *this);
-
- // Note that we are loading a declaration record.
- Deserializing ADecl(this);
-
- DeclsCursor.JumpToBit(Loc.second);
- RecordData Record;
- unsigned Code = DeclsCursor.ReadCode();
- unsigned Idx = 0;
- ASTDeclReader Reader(*this, DeclsCursor, ID, Record, Idx);
-
- Decl *D = 0;
- switch ((pch::DeclCode)DeclsCursor.ReadRecord(Code, Record)) {
- case pch::DECL_ATTR:
- case pch::DECL_CONTEXT_LEXICAL:
- case pch::DECL_CONTEXT_VISIBLE:
- assert(false && "Record cannot be de-serialized with ReadDeclRecord");
- break;
- case pch::DECL_TRANSLATION_UNIT:
- assert(Index == 0 && "Translation unit must be at index 0");
- D = Context->getTranslationUnitDecl();
- break;
- case pch::DECL_TYPEDEF:
- D = TypedefDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_ENUM:
- D = EnumDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_RECORD:
- D = RecordDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_ENUM_CONSTANT:
- D = EnumConstantDecl::Create(*Context, 0, SourceLocation(), 0, QualType(),
- 0, llvm::APSInt());
- break;
- case pch::DECL_FUNCTION:
- D = FunctionDecl::Create(*Context, 0, SourceLocation(), DeclarationName(),
- QualType(), 0);
- break;
- case pch::DECL_LINKAGE_SPEC:
- D = LinkageSpecDecl::Create(*Context, 0, SourceLocation(),
- (LinkageSpecDecl::LanguageIDs)0,
- false);
- break;
- case pch::DECL_NAMESPACE:
- D = NamespaceDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_NAMESPACE_ALIAS:
- D = NamespaceAliasDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), 0, SourceRange(), 0,
- SourceLocation(), 0);
- break;
- case pch::DECL_USING:
- D = UsingDecl::Create(*Context, 0, SourceRange(), SourceLocation(),
- 0, DeclarationNameInfo(), false);
- break;
- case pch::DECL_USING_SHADOW:
- D = UsingShadowDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_USING_DIRECTIVE:
- D = UsingDirectiveDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceRange(), 0,
- SourceLocation(), 0, 0);
- break;
- case pch::DECL_UNRESOLVED_USING_VALUE:
- D = UnresolvedUsingValueDecl::Create(*Context, 0, SourceLocation(),
- SourceRange(), 0,
- DeclarationNameInfo());
- break;
- case pch::DECL_UNRESOLVED_USING_TYPENAME:
- D = UnresolvedUsingTypenameDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceRange(),
- 0, SourceLocation(),
- DeclarationName());
- break;
- case pch::DECL_CXX_RECORD:
- D = CXXRecordDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_METHOD:
- D = CXXMethodDecl::Create(*Context, 0, DeclarationNameInfo(),
- QualType(), 0);
- break;
- case pch::DECL_CXX_CONSTRUCTOR:
- D = CXXConstructorDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_DESTRUCTOR:
- D = CXXDestructorDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CXX_CONVERSION:
- D = CXXConversionDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_ACCESS_SPEC:
- D = AccessSpecDecl::Create(*Context, AS_none, 0, SourceLocation(),
- SourceLocation());
- break;
- case pch::DECL_FRIEND:
- D = FriendDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_FRIEND_TEMPLATE:
- D = FriendTemplateDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CLASS_TEMPLATE:
- D = ClassTemplateDecl::Create(*Context, 0, SourceLocation(),
- DeclarationName(), 0, 0, 0);
- break;
- case pch::DECL_CLASS_TEMPLATE_SPECIALIZATION:
- D = ClassTemplateSpecializationDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION:
- D = ClassTemplatePartialSpecializationDecl::Create(*Context,
- Decl::EmptyShell());
- break;
- case pch::DECL_FUNCTION_TEMPLATE:
- D = FunctionTemplateDecl::Create(*Context, 0, SourceLocation(),
- DeclarationName(), 0, 0);
- break;
- case pch::DECL_TEMPLATE_TYPE_PARM:
- D = TemplateTypeParmDecl::Create(*Context, Decl::EmptyShell());
- break;
- case pch::DECL_NON_TYPE_TEMPLATE_PARM:
- D = NonTypeTemplateParmDecl::Create(*Context, 0, SourceLocation(), 0,0,0,
- QualType(),0);
- break;
- case pch::DECL_TEMPLATE_TEMPLATE_PARM:
- D = TemplateTemplateParmDecl::Create(*Context, 0, SourceLocation(),0,0,0,0);
- break;
- case pch::DECL_STATIC_ASSERT:
- D = StaticAssertDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
-
- case pch::DECL_OBJC_METHOD:
- D = ObjCMethodDecl::Create(*Context, SourceLocation(), SourceLocation(),
- Selector(), QualType(), 0, 0);
- break;
- case pch::DECL_OBJC_INTERFACE:
- D = ObjCInterfaceDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_IVAR:
- D = ObjCIvarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- ObjCIvarDecl::None);
- break;
- case pch::DECL_OBJC_PROTOCOL:
- D = ObjCProtocolDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_AT_DEFS_FIELD:
- D = ObjCAtDefsFieldDecl::Create(*Context, 0, SourceLocation(), 0,
- QualType(), 0);
- break;
- case pch::DECL_OBJC_CLASS:
- D = ObjCClassDecl::Create(*Context, 0, SourceLocation());
- break;
- case pch::DECL_OBJC_FORWARD_PROTOCOL:
- D = ObjCForwardProtocolDecl::Create(*Context, 0, SourceLocation());
- break;
- case pch::DECL_OBJC_CATEGORY:
- D = ObjCCategoryDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), SourceLocation(), 0);
- break;
- case pch::DECL_OBJC_CATEGORY_IMPL:
- D = ObjCCategoryImplDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_IMPLEMENTATION:
- D = ObjCImplementationDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_COMPATIBLE_ALIAS:
- D = ObjCCompatibleAliasDecl::Create(*Context, 0, SourceLocation(), 0, 0);
- break;
- case pch::DECL_OBJC_PROPERTY:
- D = ObjCPropertyDecl::Create(*Context, 0, SourceLocation(), 0, SourceLocation(),
- 0);
- break;
- case pch::DECL_OBJC_PROPERTY_IMPL:
- D = ObjCPropertyImplDecl::Create(*Context, 0, SourceLocation(),
- SourceLocation(), 0,
- ObjCPropertyImplDecl::Dynamic, 0);
- break;
- case pch::DECL_FIELD:
- D = FieldDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0, 0,
- false);
- break;
- case pch::DECL_VAR:
- D = VarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- VarDecl::None, VarDecl::None);
- break;
-
- case pch::DECL_IMPLICIT_PARAM:
- D = ImplicitParamDecl::Create(*Context, 0, SourceLocation(), 0, QualType());
- break;
-
- case pch::DECL_PARM_VAR:
- D = ParmVarDecl::Create(*Context, 0, SourceLocation(), 0, QualType(), 0,
- VarDecl::None, VarDecl::None, 0);
- break;
- case pch::DECL_FILE_SCOPE_ASM:
- D = FileScopeAsmDecl::Create(*Context, 0, SourceLocation(), 0);
- break;
- case pch::DECL_BLOCK:
- D = BlockDecl::Create(*Context, 0, SourceLocation());
- break;
- }
-
- assert(D && "Unknown declaration reading AST file");
- LoadedDecl(Index, D);
- Reader.Visit(D);
-
- // If this declaration is also a declaration context, get the
- // offsets for its tables of lexical and visible declarations.
- if (DeclContext *DC = dyn_cast<DeclContext>(D)) {
- std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC);
- if (Offsets.first || Offsets.second) {
- DC->setHasExternalLexicalStorage(Offsets.first != 0);
- DC->setHasExternalVisibleStorage(Offsets.second != 0);
- DeclContextInfo Info;
- if (ReadDeclContextStorage(DeclsCursor, Offsets, Info))
- return 0;
- DeclContextInfos &Infos = DeclContextOffsets[DC];
- // Reading the TU will happen after reading its update blocks, so we need
- // to make sure we insert in front. For all other contexts, the vector
- // is empty here anyway, so there's no loss in efficiency.
- Infos.insert(Infos.begin(), Info);
- }
- }
- assert(Idx == Record.size());
-
- // If we have deserialized a declaration that has a definition the
- // AST consumer might need to know about, queue it.
- // We don't pass it to the consumer immediately because we may be in recursive
- // loading, and some declarations may still be initializing.
- if (isConsumerInterestedIn(D))
- InterestingDecls.push_back(D);
-
- return D;
-}
-
-bool ASTReader::ReadDeclContextStorage(llvm::BitstreamCursor &Cursor,
- const std::pair<uint64_t, uint64_t> &Offsets,
- DeclContextInfo &Info) {
- SavedStreamPosition SavedPosition(Cursor);
- // First the lexical decls.
- if (Offsets.first != 0) {
- Cursor.JumpToBit(Offsets.first);
-
- RecordData Record;
- const char *Blob;
- unsigned BlobLen;
- unsigned Code = Cursor.ReadCode();
- unsigned RecCode = Cursor.ReadRecord(Code, Record, &Blob, &BlobLen);
- if (RecCode != pch::DECL_CONTEXT_LEXICAL) {
- Error("Expected lexical block");
- return true;
- }
-
- Info.LexicalDecls = reinterpret_cast<const pch::DeclID*>(Blob);
- Info.NumLexicalDecls = BlobLen / sizeof(pch::DeclID);
- } else {
- Info.LexicalDecls = 0;
- Info.NumLexicalDecls = 0;
- }
-
- // Now the visible decls.
- Info.Stream = &Cursor;
- Info.OffsetToVisibleDecls = Offsets.second;
-
- return false;
-}
Removed: cfe/trunk/lib/Serialization/PCHReaderStmt.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/PCHReaderStmt.cpp?rev=111472&view=auto
==============================================================================
--- cfe/trunk/lib/Serialization/PCHReaderStmt.cpp (original)
+++ cfe/trunk/lib/Serialization/PCHReaderStmt.cpp (removed)
@@ -1,1775 +0,0 @@
-//===--- PCHReaderStmt.cpp - Stmt/Expr Deserialization ----------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Statement/expression deserialization. This implements the
-// ASTReader::ReadStmt method.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Serialization/PCHReader.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/StmtVisitor.h"
-using namespace clang;
-
-namespace clang {
-
- class ASTStmtReader : public StmtVisitor<ASTStmtReader> {
- ASTReader &Reader;
- llvm::BitstreamCursor &DeclsCursor;
- const ASTReader::RecordData &Record;
- unsigned &Idx;
-
- public:
- ASTStmtReader(ASTReader &Reader, llvm::BitstreamCursor &Cursor,
- const ASTReader::RecordData &Record, unsigned &Idx)
- : Reader(Reader), DeclsCursor(Cursor), Record(Record), Idx(Idx) { }
-
- /// \brief The number of record fields required for the Stmt class
- /// itself.
- static const unsigned NumStmtFields = 0;
-
- /// \brief The number of record fields required for the Expr class
- /// itself.
- static const unsigned NumExprFields = NumStmtFields + 3;
-
- /// \brief Read and initialize a ExplicitTemplateArgumentList structure.
- void ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList,
- unsigned NumTemplateArgs);
-
- void VisitStmt(Stmt *S);
- void VisitNullStmt(NullStmt *S);
- void VisitCompoundStmt(CompoundStmt *S);
- void VisitSwitchCase(SwitchCase *S);
- void VisitCaseStmt(CaseStmt *S);
- void VisitDefaultStmt(DefaultStmt *S);
- void VisitLabelStmt(LabelStmt *S);
- void VisitIfStmt(IfStmt *S);
- void VisitSwitchStmt(SwitchStmt *S);
- void VisitWhileStmt(WhileStmt *S);
- void VisitDoStmt(DoStmt *S);
- void VisitForStmt(ForStmt *S);
- void VisitGotoStmt(GotoStmt *S);
- void VisitIndirectGotoStmt(IndirectGotoStmt *S);
- void VisitContinueStmt(ContinueStmt *S);
- void VisitBreakStmt(BreakStmt *S);
- void VisitReturnStmt(ReturnStmt *S);
- void VisitDeclStmt(DeclStmt *S);
- void VisitAsmStmt(AsmStmt *S);
- void VisitExpr(Expr *E);
- void VisitPredefinedExpr(PredefinedExpr *E);
- void VisitDeclRefExpr(DeclRefExpr *E);
- void VisitIntegerLiteral(IntegerLiteral *E);
- void VisitFloatingLiteral(FloatingLiteral *E);
- void VisitImaginaryLiteral(ImaginaryLiteral *E);
- void VisitStringLiteral(StringLiteral *E);
- void VisitCharacterLiteral(CharacterLiteral *E);
- void VisitParenExpr(ParenExpr *E);
- void VisitParenListExpr(ParenListExpr *E);
- void VisitUnaryOperator(UnaryOperator *E);
- void VisitOffsetOfExpr(OffsetOfExpr *E);
- void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E);
- void VisitArraySubscriptExpr(ArraySubscriptExpr *E);
- void VisitCallExpr(CallExpr *E);
- void VisitMemberExpr(MemberExpr *E);
- void VisitCastExpr(CastExpr *E);
- void VisitBinaryOperator(BinaryOperator *E);
- void VisitCompoundAssignOperator(CompoundAssignOperator *E);
- void VisitConditionalOperator(ConditionalOperator *E);
- void VisitImplicitCastExpr(ImplicitCastExpr *E);
- void VisitExplicitCastExpr(ExplicitCastExpr *E);
- void VisitCStyleCastExpr(CStyleCastExpr *E);
- void VisitCompoundLiteralExpr(CompoundLiteralExpr *E);
- void VisitExtVectorElementExpr(ExtVectorElementExpr *E);
- void VisitInitListExpr(InitListExpr *E);
- void VisitDesignatedInitExpr(DesignatedInitExpr *E);
- void VisitImplicitValueInitExpr(ImplicitValueInitExpr *E);
- void VisitVAArgExpr(VAArgExpr *E);
- void VisitAddrLabelExpr(AddrLabelExpr *E);
- void VisitStmtExpr(StmtExpr *E);
- void VisitTypesCompatibleExpr(TypesCompatibleExpr *E);
- void VisitChooseExpr(ChooseExpr *E);
- void VisitGNUNullExpr(GNUNullExpr *E);
- void VisitShuffleVectorExpr(ShuffleVectorExpr *E);
- void VisitBlockExpr(BlockExpr *E);
- void VisitBlockDeclRefExpr(BlockDeclRefExpr *E);
- void VisitObjCStringLiteral(ObjCStringLiteral *E);
- void VisitObjCEncodeExpr(ObjCEncodeExpr *E);
- void VisitObjCSelectorExpr(ObjCSelectorExpr *E);
- void VisitObjCProtocolExpr(ObjCProtocolExpr *E);
- void VisitObjCIvarRefExpr(ObjCIvarRefExpr *E);
- void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E);
- void VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E);
- void VisitObjCMessageExpr(ObjCMessageExpr *E);
- void VisitObjCSuperExpr(ObjCSuperExpr *E);
- void VisitObjCIsaExpr(ObjCIsaExpr *E);
-
- void VisitObjCForCollectionStmt(ObjCForCollectionStmt *);
- void VisitObjCAtCatchStmt(ObjCAtCatchStmt *);
- void VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *);
- void VisitObjCAtTryStmt(ObjCAtTryStmt *);
- void VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *);
- void VisitObjCAtThrowStmt(ObjCAtThrowStmt *);
-
- // C++ Statements
- void VisitCXXCatchStmt(CXXCatchStmt *S);
- void VisitCXXTryStmt(CXXTryStmt *S);
-
- void VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E);
- void VisitCXXConstructExpr(CXXConstructExpr *E);
- void VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E);
- void VisitCXXNamedCastExpr(CXXNamedCastExpr *E);
- void VisitCXXStaticCastExpr(CXXStaticCastExpr *E);
- void VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E);
- void VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E);
- void VisitCXXConstCastExpr(CXXConstCastExpr *E);
- void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E);
- void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
- void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
- void VisitCXXTypeidExpr(CXXTypeidExpr *E);
- void VisitCXXThisExpr(CXXThisExpr *E);
- void VisitCXXThrowExpr(CXXThrowExpr *E);
- void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E);
- void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E);
- void VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E);
-
- void VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E);
- void VisitCXXNewExpr(CXXNewExpr *E);
- void VisitCXXDeleteExpr(CXXDeleteExpr *E);
- void VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E);
-
- void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E);
-
- void VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E);
- void VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E);
- void VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E);
-
- void VisitOverloadExpr(OverloadExpr *E);
- void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E);
- void VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E);
-
- void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
- };
-}
-
-void ASTStmtReader::
-ReadExplicitTemplateArgumentList(ExplicitTemplateArgumentList &ArgList,
- unsigned NumTemplateArgs) {
- TemplateArgumentListInfo ArgInfo;
- ArgInfo.setLAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- ArgInfo.setRAngleLoc(Reader.ReadSourceLocation(Record, Idx));
- for (unsigned i = 0; i != NumTemplateArgs; ++i)
- ArgInfo.addArgument(
- Reader.ReadTemplateArgumentLoc(DeclsCursor, Record, Idx));
- ArgList.initializeFrom(ArgInfo);
-}
-
-void ASTStmtReader::VisitStmt(Stmt *S) {
- assert(Idx == NumStmtFields && "Incorrect statement field count");
-}
-
-void ASTStmtReader::VisitNullStmt(NullStmt *S) {
- VisitStmt(S);
- S->setSemiLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCompoundStmt(CompoundStmt *S) {
- VisitStmt(S);
- llvm::SmallVector<Stmt *, 16> Stmts;
- unsigned NumStmts = Record[Idx++];
- while (NumStmts--)
- Stmts.push_back(Reader.ReadSubStmt());
- S->setStmts(*Reader.getContext(), Stmts.data(), Stmts.size());
- S->setLBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRBracLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitSwitchCase(SwitchCase *S) {
- VisitStmt(S);
- Reader.RecordSwitchCaseID(S, Record[Idx++]);
-}
-
-void ASTStmtReader::VisitCaseStmt(CaseStmt *S) {
- VisitSwitchCase(S);
- S->setLHS(Reader.ReadSubExpr());
- S->setRHS(Reader.ReadSubExpr());
- S->setSubStmt(Reader.ReadSubStmt());
- S->setCaseLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setEllipsisLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitDefaultStmt(DefaultStmt *S) {
- VisitSwitchCase(S);
- S->setSubStmt(Reader.ReadSubStmt());
- S->setDefaultLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitLabelStmt(LabelStmt *S) {
- VisitStmt(S);
- S->setID(Reader.GetIdentifierInfo(Record, Idx));
- S->setSubStmt(Reader.ReadSubStmt());
- S->setIdentLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- Reader.RecordLabelStmt(S, Record[Idx++]);
-}
-
-void ASTStmtReader::VisitIfStmt(IfStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setThen(Reader.ReadSubStmt());
- S->setElse(Reader.ReadSubStmt());
- S->setIfLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setElseLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitSwitchStmt(SwitchStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setSwitchLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- SwitchCase *PrevSC = 0;
- for (unsigned N = Record.size(); Idx != N; ++Idx) {
- SwitchCase *SC = Reader.getSwitchCaseWithID(Record[Idx]);
- if (PrevSC)
- PrevSC->setNextSwitchCase(SC);
- else
- S->setSwitchCaseList(SC);
-
- // Retain this SwitchCase, since SwitchStmt::addSwitchCase() would
- // normally retain it (but we aren't calling addSwitchCase).
- SC->Retain();
- PrevSC = SC;
- }
-}
-
-void ASTStmtReader::VisitWhileStmt(WhileStmt *S) {
- VisitStmt(S);
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitDoStmt(DoStmt *S) {
- VisitStmt(S);
- S->setCond(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setDoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setWhileLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitForStmt(ForStmt *S) {
- VisitStmt(S);
- S->setInit(Reader.ReadSubStmt());
- S->setCond(Reader.ReadSubExpr());
- S->setConditionVariable(*Reader.getContext(),
- cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setInc(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitGotoStmt(GotoStmt *S) {
- VisitStmt(S);
- Reader.SetLabelOf(S, Record[Idx++]);
- S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitIndirectGotoStmt(IndirectGotoStmt *S) {
- VisitStmt(S);
- S->setGotoLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setStarLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setTarget(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitContinueStmt(ContinueStmt *S) {
- VisitStmt(S);
- S->setContinueLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitBreakStmt(BreakStmt *S) {
- VisitStmt(S);
- S->setBreakLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitReturnStmt(ReturnStmt *S) {
- VisitStmt(S);
- S->setRetValue(Reader.ReadSubExpr());
- S->setReturnLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setNRVOCandidate(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTStmtReader::VisitDeclStmt(DeclStmt *S) {
- VisitStmt(S);
- S->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- if (Idx + 1 == Record.size()) {
- // Single declaration
- S->setDeclGroup(DeclGroupRef(Reader.GetDecl(Record[Idx++])));
- } else {
- llvm::SmallVector<Decl *, 16> Decls;
- Decls.reserve(Record.size() - Idx);
- for (unsigned N = Record.size(); Idx != N; ++Idx)
- Decls.push_back(Reader.GetDecl(Record[Idx]));
- S->setDeclGroup(DeclGroupRef(DeclGroup::Create(*Reader.getContext(),
- Decls.data(),
- Decls.size())));
- }
-}
-
-void ASTStmtReader::VisitAsmStmt(AsmStmt *S) {
- VisitStmt(S);
- unsigned NumOutputs = Record[Idx++];
- unsigned NumInputs = Record[Idx++];
- unsigned NumClobbers = Record[Idx++];
- S->setAsmLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setVolatile(Record[Idx++]);
- S->setSimple(Record[Idx++]);
- S->setMSAsm(Record[Idx++]);
-
- S->setAsmString(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
-
- // Outputs and inputs
- llvm::SmallVector<IdentifierInfo *, 16> Names;
- llvm::SmallVector<StringLiteral*, 16> Constraints;
- llvm::SmallVector<Stmt*, 16> Exprs;
- for (unsigned I = 0, N = NumOutputs + NumInputs; I != N; ++I) {
- Names.push_back(Reader.GetIdentifierInfo(Record, Idx));
- Constraints.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
- Exprs.push_back(Reader.ReadSubStmt());
- }
-
- // Constraints
- llvm::SmallVector<StringLiteral*, 16> Clobbers;
- for (unsigned I = 0; I != NumClobbers; ++I)
- Clobbers.push_back(cast_or_null<StringLiteral>(Reader.ReadSubStmt()));
-
- S->setOutputsAndInputsAndClobbers(*Reader.getContext(),
- Names.data(), Constraints.data(),
- Exprs.data(), NumOutputs, NumInputs,
- Clobbers.data(), NumClobbers);
-}
-
-void ASTStmtReader::VisitExpr(Expr *E) {
- VisitStmt(E);
- E->setType(Reader.GetType(Record[Idx++]));
- E->setTypeDependent(Record[Idx++]);
- E->setValueDependent(Record[Idx++]);
- assert(Idx == NumExprFields && "Incorrect expression field count");
-}
-
-void ASTStmtReader::VisitPredefinedExpr(PredefinedExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setIdentType((PredefinedExpr::IdentType)Record[Idx++]);
-}
-
-void ASTStmtReader::VisitDeclRefExpr(DeclRefExpr *E) {
- VisitExpr(E);
-
- bool HasQualifier = Record[Idx++];
- unsigned NumTemplateArgs = Record[Idx++];
-
- E->DecoratedD.setInt((HasQualifier? DeclRefExpr::HasQualifierFlag : 0) |
- (NumTemplateArgs ? DeclRefExpr::HasExplicitTemplateArgumentListFlag : 0));
-
- if (HasQualifier) {
- E->getNameQualifier()->NNS = Reader.ReadNestedNameSpecifier(Record, Idx);
- E->getNameQualifier()->Range = Reader.ReadSourceRange(Record, Idx);
- }
-
- if (NumTemplateArgs)
- ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(),
- NumTemplateArgs);
-
- E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
- // FIXME: read DeclarationNameLoc.
- E->setLocation(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void ASTStmtReader::VisitIntegerLiteral(IntegerLiteral *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setValue(Reader.ReadAPInt(Record, Idx));
-}
-
-void ASTStmtReader::VisitFloatingLiteral(FloatingLiteral *E) {
- VisitExpr(E);
- E->setValue(Reader.ReadAPFloat(Record, Idx));
- E->setExact(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitImaginaryLiteral(ImaginaryLiteral *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitStringLiteral(StringLiteral *E) {
- VisitExpr(E);
- unsigned Len = Record[Idx++];
- assert(Record[Idx] == E->getNumConcatenated() &&
- "Wrong number of concatenated tokens!");
- ++Idx;
- E->setWide(Record[Idx++]);
-
- // Read string data
- llvm::SmallString<16> Str(&Record[Idx], &Record[Idx] + Len);
- E->setString(*Reader.getContext(), Str.str());
- Idx += Len;
-
- // Read source locations
- for (unsigned I = 0, N = E->getNumConcatenated(); I != N; ++I)
- E->setStrTokenLoc(I, SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCharacterLiteral(CharacterLiteral *E) {
- VisitExpr(E);
- E->setValue(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setWide(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitParenExpr(ParenExpr *E) {
- VisitExpr(E);
- E->setLParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParen(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitParenListExpr(ParenListExpr *E) {
- VisitExpr(E);
- unsigned NumExprs = Record[Idx++];
- E->Exprs = new (*Reader.getContext()) Stmt*[NumExprs];
- for (unsigned i = 0; i != NumExprs; ++i)
- E->Exprs[i] = Reader.ReadSubStmt();
- E->NumExprs = NumExprs;
- E->LParenLoc = Reader.ReadSourceLocation(Record, Idx);
- E->RParenLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void ASTStmtReader::VisitUnaryOperator(UnaryOperator *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
- E->setOpcode((UnaryOperator::Opcode)Record[Idx++]);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitOffsetOfExpr(OffsetOfExpr *E) {
- typedef OffsetOfExpr::OffsetOfNode Node;
- VisitExpr(E);
- assert(E->getNumComponents() == Record[Idx]);
- ++Idx;
- assert(E->getNumExpressions() == Record[Idx]);
- ++Idx;
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
- Node::Kind Kind = static_cast<Node::Kind>(Record[Idx++]);
- SourceLocation Start = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation End = SourceLocation::getFromRawEncoding(Record[Idx++]);
- switch (Kind) {
- case Node::Array:
- E->setComponent(I, Node(Start, Record[Idx++], End));
- break;
-
- case Node::Field:
- E->setComponent(I,
- Node(Start,
- dyn_cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++])),
- End));
- break;
-
- case Node::Identifier:
- E->setComponent(I, Node(Start, Reader.GetIdentifier(Record[Idx++]), End));
- break;
-
- case Node::Base: {
- CXXBaseSpecifier *Base = new (*Reader.getContext()) CXXBaseSpecifier();
- *Base = Reader.ReadCXXBaseSpecifier(DeclsCursor, Record, Idx);
- E->setComponent(I, Node(Base));
- break;
- }
- }
- }
-
- for (unsigned I = 0, N = E->getNumExpressions(); I != N; ++I)
- E->setIndexExpr(I, Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *E) {
- VisitExpr(E);
- E->setSizeof(Record[Idx++]);
- if (Record[Idx] == 0) {
- E->setArgument(Reader.ReadSubExpr());
- ++Idx;
- } else {
- E->setArgument(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- }
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
- VisitExpr(E);
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setRBracketLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCallExpr(CallExpr *E) {
- VisitExpr(E);
- E->setNumArgs(*Reader.getContext(), Record[Idx++]);
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setCallee(Reader.ReadSubExpr());
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitMemberExpr(MemberExpr *E) {
- // Don't call VisitExpr, this is fully initialized at creation.
- assert(E->getStmtClass() == Stmt::MemberExprClass &&
- "It's a subclass, we must advance Idx!");
-}
-
-void ASTStmtReader::VisitObjCIsaExpr(ObjCIsaExpr *E) {
- VisitExpr(E);
- E->setBase(Reader.ReadSubExpr());
- E->setIsaMemberLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setArrow(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitCastExpr(CastExpr *E) {
- VisitExpr(E);
- unsigned NumBaseSpecs = Record[Idx++];
- assert(NumBaseSpecs == E->path_size());
- E->setSubExpr(Reader.ReadSubExpr());
- E->setCastKind((CastExpr::CastKind)Record[Idx++]);
- CastExpr::path_iterator BaseI = E->path_begin();
- while (NumBaseSpecs--) {
- CXXBaseSpecifier *BaseSpec = new (*Reader.getContext()) CXXBaseSpecifier;
- *BaseSpec = Reader.ReadCXXBaseSpecifier(DeclsCursor, Record, Idx);
- *BaseI++ = BaseSpec;
- }
-}
-
-void ASTStmtReader::VisitBinaryOperator(BinaryOperator *E) {
- VisitExpr(E);
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setOpcode((BinaryOperator::Opcode)Record[Idx++]);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCompoundAssignOperator(CompoundAssignOperator *E) {
- VisitBinaryOperator(E);
- E->setComputationLHSType(Reader.GetType(Record[Idx++]));
- E->setComputationResultType(Reader.GetType(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitConditionalOperator(ConditionalOperator *E) {
- VisitExpr(E);
- E->setCond(Reader.ReadSubExpr());
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setQuestionLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitImplicitCastExpr(ImplicitCastExpr *E) {
- VisitCastExpr(E);
- E->setCategory(static_cast<ImplicitCastExpr::ResultCategory>(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitExplicitCastExpr(ExplicitCastExpr *E) {
- VisitCastExpr(E);
- E->setTypeInfoAsWritten(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-
-void ASTStmtReader::VisitCStyleCastExpr(CStyleCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
- VisitExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setInitializer(Reader.ReadSubExpr());
- E->setFileScope(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitExtVectorElementExpr(ExtVectorElementExpr *E) {
- VisitExpr(E);
- E->setBase(Reader.ReadSubExpr());
- E->setAccessor(Reader.GetIdentifierInfo(Record, Idx));
- E->setAccessorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitInitListExpr(InitListExpr *E) {
- VisitExpr(E);
- unsigned NumInits = Record[Idx++];
- E->reserveInits(*Reader.getContext(), NumInits);
- for (unsigned I = 0; I != NumInits; ++I)
- E->updateInit(*Reader.getContext(), I, Reader.ReadSubExpr());
- E->setSyntacticForm(cast_or_null<InitListExpr>(Reader.ReadSubStmt()));
- E->setLBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRBraceLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setInitializedFieldInUnion(
- cast_or_null<FieldDecl>(Reader.GetDecl(Record[Idx++])));
- E->sawArrayRangeDesignator(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitDesignatedInitExpr(DesignatedInitExpr *E) {
- typedef DesignatedInitExpr::Designator Designator;
-
- VisitExpr(E);
- unsigned NumSubExprs = Record[Idx++];
- assert(NumSubExprs == E->getNumSubExprs() && "Wrong number of subexprs");
- for (unsigned I = 0; I != NumSubExprs; ++I)
- E->setSubExpr(I, Reader.ReadSubExpr());
- E->setEqualOrColonLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setGNUSyntax(Record[Idx++]);
-
- llvm::SmallVector<Designator, 4> Designators;
- while (Idx < Record.size()) {
- switch ((pch::DesignatorTypes)Record[Idx++]) {
- case pch::DESIG_FIELD_DECL: {
- FieldDecl *Field = cast<FieldDecl>(Reader.GetDecl(Record[Idx++]));
- SourceLocation DotLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation FieldLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Field->getIdentifier(), DotLoc,
- FieldLoc));
- Designators.back().setField(Field);
- break;
- }
-
- case pch::DESIG_FIELD_NAME: {
- const IdentifierInfo *Name = Reader.GetIdentifierInfo(Record, Idx);
- SourceLocation DotLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation FieldLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Name, DotLoc, FieldLoc));
- break;
- }
-
- case pch::DESIG_ARRAY: {
- unsigned Index = Record[Idx++];
- SourceLocation LBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation RBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Index, LBracketLoc, RBracketLoc));
- break;
- }
-
- case pch::DESIG_ARRAY_RANGE: {
- unsigned Index = Record[Idx++];
- SourceLocation LBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation EllipsisLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- SourceLocation RBracketLoc
- = SourceLocation::getFromRawEncoding(Record[Idx++]);
- Designators.push_back(Designator(Index, LBracketLoc, EllipsisLoc,
- RBracketLoc));
- break;
- }
- }
- }
- E->setDesignators(*Reader.getContext(),
- Designators.data(), Designators.size());
-}
-
-void ASTStmtReader::VisitImplicitValueInitExpr(ImplicitValueInitExpr *E) {
- VisitExpr(E);
-}
-
-void ASTStmtReader::VisitVAArgExpr(VAArgExpr *E) {
- VisitExpr(E);
- E->setSubExpr(Reader.ReadSubExpr());
- E->setWrittenTypeInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitAddrLabelExpr(AddrLabelExpr *E) {
- VisitExpr(E);
- E->setAmpAmpLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setLabelLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- Reader.SetLabelOf(E, Record[Idx++]);
-}
-
-void ASTStmtReader::VisitStmtExpr(StmtExpr *E) {
- VisitExpr(E);
- E->setLParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubStmt(cast_or_null<CompoundStmt>(Reader.ReadSubStmt()));
-}
-
-void ASTStmtReader::VisitTypesCompatibleExpr(TypesCompatibleExpr *E) {
- VisitExpr(E);
- E->setArgTInfo1(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setArgTInfo2(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitChooseExpr(ChooseExpr *E) {
- VisitExpr(E);
- E->setCond(Reader.ReadSubExpr());
- E->setLHS(Reader.ReadSubExpr());
- E->setRHS(Reader.ReadSubExpr());
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitGNUNullExpr(GNUNullExpr *E) {
- VisitExpr(E);
- E->setTokenLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitShuffleVectorExpr(ShuffleVectorExpr *E) {
- VisitExpr(E);
- llvm::SmallVector<Expr *, 16> Exprs;
- unsigned NumExprs = Record[Idx++];
- while (NumExprs--)
- Exprs.push_back(Reader.ReadSubExpr());
- E->setExprs(*Reader.getContext(), Exprs.data(), Exprs.size());
- E->setBuiltinLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitBlockExpr(BlockExpr *E) {
- VisitExpr(E);
- E->setBlockDecl(cast_or_null<BlockDecl>(Reader.GetDecl(Record[Idx++])));
- E->setHasBlockDeclRefExprs(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitBlockDeclRefExpr(BlockDeclRefExpr *E) {
- VisitExpr(E);
- E->setDecl(cast<ValueDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setByRef(Record[Idx++]);
- E->setConstQualAdded(Record[Idx++]);
- E->setCopyConstructorExpr(Reader.ReadSubExpr());
-}
-
-//===----------------------------------------------------------------------===//
-// Objective-C Expressions and Statements
-
-void ASTStmtReader::VisitObjCStringLiteral(ObjCStringLiteral *E) {
- VisitExpr(E);
- E->setString(cast<StringLiteral>(Reader.ReadSubStmt()));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCEncodeExpr(ObjCEncodeExpr *E) {
- VisitExpr(E);
- E->setEncodedTypeSourceInfo(Reader.GetTypeSourceInfo(DeclsCursor,Record,Idx));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCSelectorExpr(ObjCSelectorExpr *E) {
- VisitExpr(E);
- E->setSelector(Reader.GetSelector(Record, Idx));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCProtocolExpr(ObjCProtocolExpr *E) {
- VisitExpr(E);
- E->setProtocol(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
- E->setAtLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
- VisitExpr(E);
- E->setDecl(cast<ObjCIvarDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setBase(Reader.ReadSubExpr());
- E->setIsArrow(Record[Idx++]);
- E->setIsFreeIvar(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
- VisitExpr(E);
- E->setProperty(cast<ObjCPropertyDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setBase(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitObjCImplicitSetterGetterRefExpr(
- ObjCImplicitSetterGetterRefExpr *E) {
- VisitExpr(E);
- E->setGetterMethod(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- E->setSetterMethod(
- cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- E->setInterfaceDecl(
- cast_or_null<ObjCInterfaceDecl>(Reader.GetDecl(Record[Idx++])));
- E->setBase(Reader.ReadSubExpr());
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCMessageExpr(ObjCMessageExpr *E) {
- VisitExpr(E);
- assert(Record[Idx] == E->getNumArgs());
- ++Idx;
- ObjCMessageExpr::ReceiverKind Kind
- = static_cast<ObjCMessageExpr::ReceiverKind>(Record[Idx++]);
- switch (Kind) {
- case ObjCMessageExpr::Instance:
- E->setInstanceReceiver(Reader.ReadSubExpr());
- break;
-
- case ObjCMessageExpr::Class:
- E->setClassReceiver(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- break;
-
- case ObjCMessageExpr::SuperClass:
- case ObjCMessageExpr::SuperInstance: {
- QualType T = Reader.GetType(Record[Idx++]);
- SourceLocation SuperLoc = SourceLocation::getFromRawEncoding(Record[Idx++]);
- E->setSuper(SuperLoc, T, Kind == ObjCMessageExpr::SuperInstance);
- break;
- }
- }
-
- assert(Kind == E->getReceiverKind());
-
- if (Record[Idx++])
- E->setMethodDecl(cast_or_null<ObjCMethodDecl>(Reader.GetDecl(Record[Idx++])));
- else
- E->setSelector(Reader.GetSelector(Record, Idx));
-
- E->setLeftLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRightLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitObjCSuperExpr(ObjCSuperExpr *E) {
- VisitExpr(E);
- E->setLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCForCollectionStmt(ObjCForCollectionStmt *S) {
- VisitStmt(S);
- S->setElement(Reader.ReadSubStmt());
- S->setCollection(Reader.ReadSubExpr());
- S->setBody(Reader.ReadSubStmt());
- S->setForLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCAtCatchStmt(ObjCAtCatchStmt *S) {
- VisitStmt(S);
- S->setCatchBody(Reader.ReadSubStmt());
- S->setCatchParamDecl(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
- S->setAtCatchLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- S->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCAtFinallyStmt(ObjCAtFinallyStmt *S) {
- VisitStmt(S);
- S->setFinallyBody(Reader.ReadSubStmt());
- S->setAtFinallyLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCAtTryStmt(ObjCAtTryStmt *S) {
- VisitStmt(S);
- assert(Record[Idx] == S->getNumCatchStmts());
- ++Idx;
- bool HasFinally = Record[Idx++];
- S->setTryBody(Reader.ReadSubStmt());
- for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I)
- S->setCatchStmt(I, cast_or_null<ObjCAtCatchStmt>(Reader.ReadSubStmt()));
-
- if (HasFinally)
- S->setFinallyStmt(Reader.ReadSubStmt());
- S->setAtTryLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCAtSynchronizedStmt(ObjCAtSynchronizedStmt *S) {
- VisitStmt(S);
- S->setSynchExpr(Reader.ReadSubStmt());
- S->setSynchBody(Reader.ReadSubStmt());
- S->setAtSynchronizedLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitObjCAtThrowStmt(ObjCAtThrowStmt *S) {
- VisitStmt(S);
- S->setThrowExpr(Reader.ReadSubStmt());
- S->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-//===----------------------------------------------------------------------===//
-// C++ Expressions and Statements
-//===----------------------------------------------------------------------===//
-
-void ASTStmtReader::VisitCXXCatchStmt(CXXCatchStmt *S) {
- VisitStmt(S);
- S->CatchLoc = Reader.ReadSourceLocation(Record, Idx);
- S->ExceptionDecl = cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++]));
- S->HandlerBlock = Reader.ReadSubStmt();
-}
-
-void ASTStmtReader::VisitCXXTryStmt(CXXTryStmt *S) {
- VisitStmt(S);
- assert(Record[Idx] == S->getNumHandlers() && "NumStmtFields is wrong ?");
- ++Idx;
- S->TryLoc = Reader.ReadSourceLocation(Record, Idx);
- S->getStmts()[0] = Reader.ReadSubStmt();
- for (unsigned i = 0, e = S->getNumHandlers(); i != e; ++i)
- S->getStmts()[i + 1] = Reader.ReadSubStmt();
-}
-
-void ASTStmtReader::VisitCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
- VisitCallExpr(E);
- E->setOperator((OverloadedOperatorKind)Record[Idx++]);
-}
-
-void ASTStmtReader::VisitCXXConstructExpr(CXXConstructExpr *E) {
- VisitExpr(E);
- E->NumArgs = Record[Idx++];
- if (E->NumArgs)
- E->Args = new (*Reader.getContext()) Stmt*[E->NumArgs];
- for (unsigned I = 0, N = E->getNumArgs(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
- E->setConstructor(cast<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++])));
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setElidable(Record[Idx++]);
- E->setRequiresZeroInitialization(Record[Idx++]);
- E->setConstructionKind((CXXConstructExpr::ConstructionKind)Record[Idx++]);
-}
-
-void ASTStmtReader::VisitCXXTemporaryObjectExpr(CXXTemporaryObjectExpr *E) {
- VisitCXXConstructExpr(E);
- E->TyBeginLoc = Reader.ReadSourceLocation(Record, Idx);
- E->RParenLoc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void ASTStmtReader::VisitCXXNamedCastExpr(CXXNamedCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setOperatorLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXStaticCastExpr(CXXStaticCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void ASTStmtReader::VisitCXXDynamicCastExpr(CXXDynamicCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void ASTStmtReader::VisitCXXReinterpretCastExpr(CXXReinterpretCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void ASTStmtReader::VisitCXXConstCastExpr(CXXConstCastExpr *E) {
- return VisitCXXNamedCastExpr(E);
-}
-
-void ASTStmtReader::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E) {
- VisitExplicitCastExpr(E);
- E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E) {
- VisitExpr(E);
- E->setValue(Record[Idx++]);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
- VisitExpr(E);
- E->setSourceRange(Reader.ReadSourceRange(Record, Idx));
- if (E->isTypeOperand()) { // typeid(int)
- E->setTypeOperandSourceInfo(
- Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- return;
- }
-
- // typeid(42+2)
- E->setExprOperand(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitCXXThisExpr(CXXThisExpr *E) {
- VisitExpr(E);
- E->setLocation(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setImplicit(Record[Idx++]);
-}
-
-void ASTStmtReader::VisitCXXThrowExpr(CXXThrowExpr *E) {
- VisitExpr(E);
- E->setThrowLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
- VisitExpr(E);
-
- assert(Record[Idx] == E->Param.getInt() && "We messed up at creation ?");
- ++Idx; // HasOtherExprStored and SubExpr was handled during creation.
- E->Param.setPointer(cast<ParmVarDecl>(Reader.GetDecl(Record[Idx++])));
- E->Loc = Reader.ReadSourceLocation(Record, Idx);
-}
-
-void ASTStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
- VisitExpr(E);
- E->setTemporary(Reader.ReadCXXTemporary(Record, Idx));
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void ASTStmtReader::VisitCXXBindReferenceExpr(CXXBindReferenceExpr *E) {
- VisitExpr(E);
- E->SubExpr = Reader.ReadSubExpr();
- E->ExtendsLifetime = Record[Idx++];
- E->RequiresTemporaryCopy = Record[Idx++];
-}
-
-void ASTStmtReader::VisitCXXScalarValueInitExpr(CXXScalarValueInitExpr *E) {
- VisitExpr(E);
- E->setTypeBeginLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setRParenLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXNewExpr(CXXNewExpr *E) {
- VisitExpr(E);
- E->setGlobalNew(Record[Idx++]);
- E->setHasInitializer(Record[Idx++]);
- bool isArray = Record[Idx++];
- unsigned NumPlacementArgs = Record[Idx++];
- unsigned NumCtorArgs = Record[Idx++];
- E->setOperatorNew(cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setOperatorDelete(
- cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setConstructor(
- cast_or_null<CXXConstructorDecl>(Reader.GetDecl(Record[Idx++])));
- SourceRange TypeIdParens;
- TypeIdParens.setBegin(SourceLocation::getFromRawEncoding(Record[Idx++]));
- TypeIdParens.setEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->TypeIdParens = TypeIdParens;
- E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
- E->setEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-
- E->AllocateArgsArray(*Reader.getContext(), isArray, NumPlacementArgs,
- NumCtorArgs);
-
- // Install all the subexpressions.
- for (CXXNewExpr::raw_arg_iterator I = E->raw_arg_begin(),e = E->raw_arg_end();
- I != e; ++I)
- *I = Reader.ReadSubStmt();
-}
-
-void ASTStmtReader::VisitCXXDeleteExpr(CXXDeleteExpr *E) {
- VisitExpr(E);
- E->setGlobalDelete(Record[Idx++]);
- E->setArrayForm(Record[Idx++]);
- E->setOperatorDelete(
- cast_or_null<FunctionDecl>(Reader.GetDecl(Record[Idx++])));
- E->setArgument(Reader.ReadSubExpr());
- E->setStartLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-}
-
-void ASTStmtReader::VisitCXXPseudoDestructorExpr(CXXPseudoDestructorExpr *E) {
- VisitExpr(E);
-
- E->setBase(Reader.ReadSubExpr());
- E->setArrow(Record[Idx++]);
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setScopeTypeInfo(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
- E->setColonColonLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setTildeLoc(Reader.ReadSourceLocation(Record, Idx));
-
- IdentifierInfo *II = Reader.GetIdentifierInfo(Record, Idx);
- if (II)
- E->setDestroyedType(II, Reader.ReadSourceLocation(Record, Idx));
- else
- E->setDestroyedType(Reader.GetTypeSourceInfo(DeclsCursor, Record, Idx));
-}
-
-void ASTStmtReader::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
- VisitExpr(E);
- unsigned NumTemps = Record[Idx++];
- if (NumTemps) {
- E->setNumTemporaries(*Reader.getContext(), NumTemps);
- for (unsigned i = 0; i != NumTemps; ++i)
- E->setTemporary(i, Reader.ReadCXXTemporary(Record, Idx));
- }
- E->setSubExpr(Reader.ReadSubExpr());
-}
-
-void
-ASTStmtReader::VisitCXXDependentScopeMemberExpr(CXXDependentScopeMemberExpr *E){
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(*E->getExplicitTemplateArgumentList(),
- NumTemplateArgs);
-
- E->setBase(Reader.ReadSubExpr());
- E->setBaseType(Reader.GetType(Record[Idx++]));
- E->setArrow(Record[Idx++]);
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setFirstQualifierFoundInScope(
- cast_or_null<NamedDecl>(Reader.GetDecl(Record[Idx++])));
- // FIXME: read whole DeclarationNameInfo.
- E->setMember(Reader.ReadDeclarationName(Record, Idx));
- E->setMemberLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void
-ASTStmtReader::VisitDependentScopeDeclRefExpr(DependentScopeDeclRefExpr *E) {
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(),
- NumTemplateArgs);
-
- // FIXME: read whole DeclarationNameInfo.
- E->setDeclName(Reader.ReadDeclarationName(Record, Idx));
- E->setLocation(Reader.ReadSourceLocation(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
-}
-
-void
-ASTStmtReader::VisitCXXUnresolvedConstructExpr(CXXUnresolvedConstructExpr *E) {
- VisitExpr(E);
- assert(Record[Idx] == E->arg_size() && "Read wrong record during creation ?");
- ++Idx; // NumArgs;
- for (unsigned I = 0, N = E->arg_size(); I != N; ++I)
- E->setArg(I, Reader.ReadSubExpr());
- E->setTypeBeginLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setTypeAsWritten(Reader.GetType(Record[Idx++]));
- E->setLParenLoc(Reader.ReadSourceLocation(Record, Idx));
- E->setRParenLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void ASTStmtReader::VisitOverloadExpr(OverloadExpr *E) {
- VisitExpr(E);
-
- unsigned NumTemplateArgs = Record[Idx++];
- assert((NumTemplateArgs != 0) == E->hasExplicitTemplateArgs() &&
- "Read wrong record during creation ?");
- if (E->hasExplicitTemplateArgs())
- ReadExplicitTemplateArgumentList(E->getExplicitTemplateArgs(),
- NumTemplateArgs);
-
- unsigned NumDecls = Record[Idx++];
- UnresolvedSet<8> Decls;
- for (unsigned i = 0; i != NumDecls; ++i) {
- NamedDecl *D = cast<NamedDecl>(Reader.GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- Decls.addDecl(D, AS);
- }
- E->initializeResults(*Reader.getContext(), Decls.begin(), Decls.end());
-
- // FIXME: read whole DeclarationNameInfo.
- E->setName(Reader.ReadDeclarationName(Record, Idx));
- E->setQualifier(Reader.ReadNestedNameSpecifier(Record, Idx));
- E->setQualifierRange(Reader.ReadSourceRange(Record, Idx));
- E->setNameLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void ASTStmtReader::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) {
- VisitOverloadExpr(E);
- E->setArrow(Record[Idx++]);
- E->setHasUnresolvedUsing(Record[Idx++]);
- E->setBase(Reader.ReadSubExpr());
- E->setBaseType(Reader.GetType(Record[Idx++]));
- E->setOperatorLoc(Reader.ReadSourceLocation(Record, Idx));
-}
-
-void ASTStmtReader::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) {
- VisitOverloadExpr(E);
- E->setRequiresADL(Record[Idx++]);
- E->setOverloaded(Record[Idx++]);
- E->setNamingClass(cast_or_null<CXXRecordDecl>(Reader.GetDecl(Record[Idx++])));
-}
-
-void ASTStmtReader::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
- VisitExpr(E);
- E->UTT = (UnaryTypeTrait)Record[Idx++];
- SourceRange Range = Reader.ReadSourceRange(Record, Idx);
- E->Loc = Range.getBegin();
- E->RParen = Range.getEnd();
- E->QueriedType = Reader.GetType(Record[Idx++]);
-}
-
-Stmt *ASTReader::ReadStmt(llvm::BitstreamCursor &Cursor) {
- switch (ReadingKind) {
- case Read_Decl:
- case Read_Type:
- return ReadStmtFromStream(Cursor);
- case Read_Stmt:
- return ReadSubStmt();
- }
-
- llvm_unreachable("ReadingKind not set ?");
- return 0;
-}
-
-Expr *ASTReader::ReadExpr(llvm::BitstreamCursor &Cursor) {
- return cast_or_null<Expr>(ReadStmt(Cursor));
-}
-
-Expr *ASTReader::ReadSubExpr() {
- return cast_or_null<Expr>(ReadSubStmt());
-}
-
-// Within the bitstream, expressions are stored in Reverse Polish
-// Notation, with each of the subexpressions preceding the
-// expression they are stored in. Subexpressions are stored from last to first.
-// To evaluate expressions, we continue reading expressions and placing them on
-// the stack, with expressions having operands removing those operands from the
-// stack. Evaluation terminates when we see a STMT_STOP record, and
-// the single remaining expression on the stack is our result.
-Stmt *ASTReader::ReadStmtFromStream(llvm::BitstreamCursor &Cursor) {
-
- ReadingKindTracker ReadingKind(Read_Stmt, *this);
-
-#ifndef NDEBUG
- unsigned PrevNumStmts = StmtStack.size();
-#endif
-
- RecordData Record;
- unsigned Idx;
- ASTStmtReader Reader(*this, Cursor, Record, Idx);
- Stmt::EmptyShell Empty;
-
- while (true) {
- unsigned Code = Cursor.ReadCode();
- if (Code == llvm::bitc::END_BLOCK) {
- if (Cursor.ReadBlockEnd()) {
- Error("error at end of block in AST file");
- return 0;
- }
- break;
- }
-
- if (Code == llvm::bitc::ENTER_SUBBLOCK) {
- // No known subblocks, always skip them.
- Cursor.ReadSubBlockID();
- if (Cursor.SkipBlock()) {
- Error("malformed block record in AST file");
- return 0;
- }
- continue;
- }
-
- if (Code == llvm::bitc::DEFINE_ABBREV) {
- Cursor.ReadAbbrevRecord();
- continue;
- }
-
- Stmt *S = 0;
- Idx = 0;
- Record.clear();
- bool Finished = false;
- switch ((pch::StmtCode)Cursor.ReadRecord(Code, Record)) {
- case pch::STMT_STOP:
- Finished = true;
- break;
-
- case pch::STMT_NULL_PTR:
- S = 0;
- break;
-
- case pch::STMT_NULL:
- S = new (Context) NullStmt(Empty);
- break;
-
- case pch::STMT_COMPOUND:
- S = new (Context) CompoundStmt(Empty);
- break;
-
- case pch::STMT_CASE:
- S = new (Context) CaseStmt(Empty);
- break;
-
- case pch::STMT_DEFAULT:
- S = new (Context) DefaultStmt(Empty);
- break;
-
- case pch::STMT_LABEL:
- S = new (Context) LabelStmt(Empty);
- break;
-
- case pch::STMT_IF:
- S = new (Context) IfStmt(Empty);
- break;
-
- case pch::STMT_SWITCH:
- S = new (Context) SwitchStmt(Empty);
- break;
-
- case pch::STMT_WHILE:
- S = new (Context) WhileStmt(Empty);
- break;
-
- case pch::STMT_DO:
- S = new (Context) DoStmt(Empty);
- break;
-
- case pch::STMT_FOR:
- S = new (Context) ForStmt(Empty);
- break;
-
- case pch::STMT_GOTO:
- S = new (Context) GotoStmt(Empty);
- break;
-
- case pch::STMT_INDIRECT_GOTO:
- S = new (Context) IndirectGotoStmt(Empty);
- break;
-
- case pch::STMT_CONTINUE:
- S = new (Context) ContinueStmt(Empty);
- break;
-
- case pch::STMT_BREAK:
- S = new (Context) BreakStmt(Empty);
- break;
-
- case pch::STMT_RETURN:
- S = new (Context) ReturnStmt(Empty);
- break;
-
- case pch::STMT_DECL:
- S = new (Context) DeclStmt(Empty);
- break;
-
- case pch::STMT_ASM:
- S = new (Context) AsmStmt(Empty);
- break;
-
- case pch::EXPR_PREDEFINED:
- S = new (Context) PredefinedExpr(Empty);
- break;
-
- case pch::EXPR_DECL_REF:
- S = DeclRefExpr::CreateEmpty(*Context,
- /*HasQualifier=*/Record[ASTStmtReader::NumExprFields],
- /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_INTEGER_LITERAL:
- S = new (Context) IntegerLiteral(Empty);
- break;
-
- case pch::EXPR_FLOATING_LITERAL:
- S = new (Context) FloatingLiteral(Empty);
- break;
-
- case pch::EXPR_IMAGINARY_LITERAL:
- S = new (Context) ImaginaryLiteral(Empty);
- break;
-
- case pch::EXPR_STRING_LITERAL:
- S = StringLiteral::CreateEmpty(*Context,
- Record[ASTStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_CHARACTER_LITERAL:
- S = new (Context) CharacterLiteral(Empty);
- break;
-
- case pch::EXPR_PAREN:
- S = new (Context) ParenExpr(Empty);
- break;
-
- case pch::EXPR_PAREN_LIST:
- S = new (Context) ParenListExpr(Empty);
- break;
-
- case pch::EXPR_UNARY_OPERATOR:
- S = new (Context) UnaryOperator(Empty);
- break;
-
- case pch::EXPR_OFFSETOF:
- S = OffsetOfExpr::CreateEmpty(*Context,
- Record[ASTStmtReader::NumExprFields],
- Record[ASTStmtReader::NumExprFields + 1]);
- break;
-
- case pch::EXPR_SIZEOF_ALIGN_OF:
- S = new (Context) SizeOfAlignOfExpr(Empty);
- break;
-
- case pch::EXPR_ARRAY_SUBSCRIPT:
- S = new (Context) ArraySubscriptExpr(Empty);
- break;
-
- case pch::EXPR_CALL:
- S = new (Context) CallExpr(*Context, Stmt::CallExprClass, Empty);
- break;
-
- case pch::EXPR_MEMBER: {
- // We load everything here and fully initialize it at creation.
- // That way we can use MemberExpr::Create and don't have to duplicate its
- // logic with a MemberExpr::CreateEmpty.
-
- assert(Idx == 0);
- NestedNameSpecifier *NNS = 0;
- SourceRange QualifierRange;
- if (Record[Idx++]) { // HasQualifier.
- NNS = ReadNestedNameSpecifier(Record, Idx);
- QualifierRange = ReadSourceRange(Record, Idx);
- }
-
- TemplateArgumentListInfo ArgInfo;
- unsigned NumTemplateArgs = Record[Idx++];
- if (NumTemplateArgs) {
- ArgInfo.setLAngleLoc(ReadSourceLocation(Record, Idx));
- ArgInfo.setRAngleLoc(ReadSourceLocation(Record, Idx));
- for (unsigned i = 0; i != NumTemplateArgs; ++i)
- ArgInfo.addArgument(ReadTemplateArgumentLoc(Cursor, Record, Idx));
- }
-
- NamedDecl *FoundD = cast_or_null<NamedDecl>(GetDecl(Record[Idx++]));
- AccessSpecifier AS = (AccessSpecifier)Record[Idx++];
- DeclAccessPair FoundDecl = DeclAccessPair::make(FoundD, AS);
-
- QualType T = GetType(Record[Idx++]);
- Expr *Base = ReadSubExpr();
- ValueDecl *MemberD = cast<ValueDecl>(GetDecl(Record[Idx++]));
- // FIXME: read DeclarationNameLoc.
- SourceLocation MemberLoc = ReadSourceLocation(Record, Idx);
- DeclarationNameInfo MemberNameInfo(MemberD->getDeclName(), MemberLoc);
- bool IsArrow = Record[Idx++];
-
- S = MemberExpr::Create(*Context, Base, IsArrow, NNS, QualifierRange,
- MemberD, FoundDecl, MemberNameInfo,
- NumTemplateArgs ? &ArgInfo : 0, T);
- break;
- }
-
- case pch::EXPR_BINARY_OPERATOR:
- S = new (Context) BinaryOperator(Empty);
- break;
-
- case pch::EXPR_COMPOUND_ASSIGN_OPERATOR:
- S = new (Context) CompoundAssignOperator(Empty);
- break;
-
- case pch::EXPR_CONDITIONAL_OPERATOR:
- S = new (Context) ConditionalOperator(Empty);
- break;
-
- case pch::EXPR_IMPLICIT_CAST:
- S = ImplicitCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CSTYLE_CAST:
- S = CStyleCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_COMPOUND_LITERAL:
- S = new (Context) CompoundLiteralExpr(Empty);
- break;
-
- case pch::EXPR_EXT_VECTOR_ELEMENT:
- S = new (Context) ExtVectorElementExpr(Empty);
- break;
-
- case pch::EXPR_INIT_LIST:
- S = new (Context) InitListExpr(*getContext(), Empty);
- break;
-
- case pch::EXPR_DESIGNATED_INIT:
- S = DesignatedInitExpr::CreateEmpty(*Context,
- Record[ASTStmtReader::NumExprFields] - 1);
-
- break;
-
- case pch::EXPR_IMPLICIT_VALUE_INIT:
- S = new (Context) ImplicitValueInitExpr(Empty);
- break;
-
- case pch::EXPR_VA_ARG:
- S = new (Context) VAArgExpr(Empty);
- break;
-
- case pch::EXPR_ADDR_LABEL:
- S = new (Context) AddrLabelExpr(Empty);
- break;
-
- case pch::EXPR_STMT:
- S = new (Context) StmtExpr(Empty);
- break;
-
- case pch::EXPR_TYPES_COMPATIBLE:
- S = new (Context) TypesCompatibleExpr(Empty);
- break;
-
- case pch::EXPR_CHOOSE:
- S = new (Context) ChooseExpr(Empty);
- break;
-
- case pch::EXPR_GNU_NULL:
- S = new (Context) GNUNullExpr(Empty);
- break;
-
- case pch::EXPR_SHUFFLE_VECTOR:
- S = new (Context) ShuffleVectorExpr(Empty);
- break;
-
- case pch::EXPR_BLOCK:
- S = new (Context) BlockExpr(Empty);
- break;
-
- case pch::EXPR_BLOCK_DECL_REF:
- S = new (Context) BlockDeclRefExpr(Empty);
- break;
-
- case pch::EXPR_OBJC_STRING_LITERAL:
- S = new (Context) ObjCStringLiteral(Empty);
- break;
- case pch::EXPR_OBJC_ENCODE:
- S = new (Context) ObjCEncodeExpr(Empty);
- break;
- case pch::EXPR_OBJC_SELECTOR_EXPR:
- S = new (Context) ObjCSelectorExpr(Empty);
- break;
- case pch::EXPR_OBJC_PROTOCOL_EXPR:
- S = new (Context) ObjCProtocolExpr(Empty);
- break;
- case pch::EXPR_OBJC_IVAR_REF_EXPR:
- S = new (Context) ObjCIvarRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_PROPERTY_REF_EXPR:
- S = new (Context) ObjCPropertyRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_KVC_REF_EXPR:
- S = new (Context) ObjCImplicitSetterGetterRefExpr(Empty);
- break;
- case pch::EXPR_OBJC_MESSAGE_EXPR:
- S = ObjCMessageExpr::CreateEmpty(*Context,
- Record[ASTStmtReader::NumExprFields]);
- break;
- case pch::EXPR_OBJC_SUPER_EXPR:
- S = new (Context) ObjCSuperExpr(Empty);
- break;
- case pch::EXPR_OBJC_ISA:
- S = new (Context) ObjCIsaExpr(Empty);
- break;
- case pch::STMT_OBJC_FOR_COLLECTION:
- S = new (Context) ObjCForCollectionStmt(Empty);
- break;
- case pch::STMT_OBJC_CATCH:
- S = new (Context) ObjCAtCatchStmt(Empty);
- break;
- case pch::STMT_OBJC_FINALLY:
- S = new (Context) ObjCAtFinallyStmt(Empty);
- break;
- case pch::STMT_OBJC_AT_TRY:
- S = ObjCAtTryStmt::CreateEmpty(*Context,
- Record[ASTStmtReader::NumStmtFields],
- Record[ASTStmtReader::NumStmtFields + 1]);
- break;
- case pch::STMT_OBJC_AT_SYNCHRONIZED:
- S = new (Context) ObjCAtSynchronizedStmt(Empty);
- break;
- case pch::STMT_OBJC_AT_THROW:
- S = new (Context) ObjCAtThrowStmt(Empty);
- break;
-
- case pch::STMT_CXX_CATCH:
- S = new (Context) CXXCatchStmt(Empty);
- break;
-
- case pch::STMT_CXX_TRY:
- S = CXXTryStmt::Create(*Context, Empty,
- /*NumHandlers=*/Record[ASTStmtReader::NumStmtFields]);
- break;
-
- case pch::EXPR_CXX_OPERATOR_CALL:
- S = new (Context) CXXOperatorCallExpr(*Context, Empty);
- break;
-
- case pch::EXPR_CXX_MEMBER_CALL:
- S = new (Context) CXXMemberCallExpr(*Context, Empty);
- break;
-
- case pch::EXPR_CXX_CONSTRUCT:
- S = new (Context) CXXConstructExpr(Empty);
- break;
-
- case pch::EXPR_CXX_TEMPORARY_OBJECT:
- S = new (Context) CXXTemporaryObjectExpr(Empty);
- break;
-
- case pch::EXPR_CXX_STATIC_CAST:
- S = CXXStaticCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_DYNAMIC_CAST:
- S = CXXDynamicCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_REINTERPRET_CAST:
- S = CXXReinterpretCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_CONST_CAST:
- S = CXXConstCastExpr::CreateEmpty(*Context);
- break;
-
- case pch::EXPR_CXX_FUNCTIONAL_CAST:
- S = CXXFunctionalCastExpr::CreateEmpty(*Context,
- /*PathSize*/ Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_BOOL_LITERAL:
- S = new (Context) CXXBoolLiteralExpr(Empty);
- break;
-
- case pch::EXPR_CXX_NULL_PTR_LITERAL:
- S = new (Context) CXXNullPtrLiteralExpr(Empty);
- break;
- case pch::EXPR_CXX_TYPEID_EXPR:
- S = new (Context) CXXTypeidExpr(Empty, true);
- break;
- case pch::EXPR_CXX_TYPEID_TYPE:
- S = new (Context) CXXTypeidExpr(Empty, false);
- break;
- case pch::EXPR_CXX_THIS:
- S = new (Context) CXXThisExpr(Empty);
- break;
- case pch::EXPR_CXX_THROW:
- S = new (Context) CXXThrowExpr(Empty);
- break;
- case pch::EXPR_CXX_DEFAULT_ARG: {
- bool HasOtherExprStored = Record[ASTStmtReader::NumExprFields];
- if (HasOtherExprStored) {
- Expr *SubExpr = ReadSubExpr();
- S = CXXDefaultArgExpr::Create(*Context, SourceLocation(), 0, SubExpr);
- } else
- S = new (Context) CXXDefaultArgExpr(Empty);
- break;
- }
- case pch::EXPR_CXX_BIND_TEMPORARY:
- S = new (Context) CXXBindTemporaryExpr(Empty);
- break;
- case pch::EXPR_CXX_BIND_REFERENCE:
- S = new (Context) CXXBindReferenceExpr(Empty);
- break;
-
- case pch::EXPR_CXX_SCALAR_VALUE_INIT:
- S = new (Context) CXXScalarValueInitExpr(Empty);
- break;
- case pch::EXPR_CXX_NEW:
- S = new (Context) CXXNewExpr(Empty);
- break;
- case pch::EXPR_CXX_DELETE:
- S = new (Context) CXXDeleteExpr(Empty);
- break;
- case pch::EXPR_CXX_PSEUDO_DESTRUCTOR:
- S = new (Context) CXXPseudoDestructorExpr(Empty);
- break;
-
- case pch::EXPR_CXX_EXPR_WITH_TEMPORARIES:
- S = new (Context) CXXExprWithTemporaries(Empty);
- break;
-
- case pch::EXPR_CXX_DEPENDENT_SCOPE_MEMBER:
- S = CXXDependentScopeMemberExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_DEPENDENT_SCOPE_DECL_REF:
- S = DependentScopeDeclRefExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_CONSTRUCT:
- S = CXXUnresolvedConstructExpr::CreateEmpty(*Context,
- /*NumArgs=*/Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_MEMBER:
- S = UnresolvedMemberExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNRESOLVED_LOOKUP:
- S = UnresolvedLookupExpr::CreateEmpty(*Context,
- /*NumTemplateArgs=*/Record[ASTStmtReader::NumExprFields]);
- break;
-
- case pch::EXPR_CXX_UNARY_TYPE_TRAIT:
- S = new (Context) UnaryTypeTraitExpr(Empty);
- break;
- }
-
- // We hit a STMT_STOP, so we're done with this expression.
- if (Finished)
- break;
-
- ++NumStatementsRead;
-
- if (S)
- Reader.Visit(S);
-
- assert(Idx == Record.size() && "Invalid deserialization of statement");
- StmtStack.push_back(S);
- }
-
-#ifndef NDEBUG
- assert(StmtStack.size() > PrevNumStmts && "Read too many sub stmts!");
- assert(StmtStack.size() == PrevNumStmts + 1 && "Extra expressions on stack!");
-#endif
-
- return StmtStack.pop_back_val();
-}
More information about the cfe-commits
mailing list