r244413 - [modules] When building a dependency file, include module maps parsed in the

Manuel Klimek via cfe-commits cfe-commits at lists.llvm.org
Tue Aug 11 04:57:21 PDT 2015


I believe this breaks -fno-module-file-deps.

On Sun, Aug 9, 2015 at 6:47 AM Richard Smith via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Author: rsmith
> Date: Sat Aug  8 23:46:57 2015
> New Revision: 244413
>
> URL: http://llvm.org/viewvc/llvm-project?rev=244413&view=rev
> Log:
> [modules] When building a dependency file, include module maps parsed in
> the
> current compilation, not just those from imported modules.
>
> Modified:
>     cfe/trunk/include/clang/Lex/ModuleMap.h
>     cfe/trunk/lib/Frontend/DependencyFile.cpp
>     cfe/trunk/lib/Lex/ModuleMap.cpp
>     cfe/trunk/test/Modules/dependency-gen-pch.m
>     cfe/trunk/test/Modules/dependency-gen.m
>     cfe/trunk/test/Modules/dependency-gen.modulemap
>     cfe/trunk/test/Modules/relative-dep-gen.cpp
>
> Modified: cfe/trunk/include/clang/Lex/ModuleMap.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Lex/ModuleMap.h?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Lex/ModuleMap.h (original)
> +++ cfe/trunk/include/clang/Lex/ModuleMap.h Sat Aug  8 23:46:57 2015
> @@ -35,6 +35,22 @@ class DiagnosticConsumer;
>  class DiagnosticsEngine;
>  class HeaderSearch;
>  class ModuleMapParser;
> +
> +/// \brief A mechanism to observe the actions of the module map parser as
> it
> +/// reads module map files.
> +class ModuleMapCallbacks {
> +public:
> +  virtual ~ModuleMapCallbacks() {}
> +
> +  /// \brief Called when a module map file has been read.
> +  ///
> +  /// \param FileStart A SourceLocation referring to the start of the
> file's
> +  /// contents.
> +  /// \param File The file itself.
> +  /// \param IsSystem Whether this is a module map from a system include
> path.
> +  virtual void moduleMapFileRead(SourceLocation FileStart,
> +                                 const FileEntry &File, bool IsSystem) {}
> +};
>
>  class ModuleMap {
>    SourceManager &SourceMgr;
> @@ -42,6 +58,8 @@ class ModuleMap {
>    const LangOptions &LangOpts;
>    const TargetInfo *Target;
>    HeaderSearch &HeaderInfo;
> +
> +  llvm::SmallVector<std::unique_ptr<ModuleMapCallbacks>, 1> Callbacks;
>
>    /// \brief The directory used for Clang-supplied, builtin include
> headers,
>    /// such as "stdint.h".
> @@ -263,6 +281,11 @@ public:
>      BuiltinIncludeDir = Dir;
>    }
>
> +  /// \brief Add a module map callback.
> +  void addModuleMapCallbacks(std::unique_ptr<ModuleMapCallbacks>
> Callback) {
> +    Callbacks.push_back(std::move(Callback));
> +  }
> +
>    /// \brief Retrieve the module that owns the given header file, if any.
>    ///
>    /// \param File The header file that is likely to be included.
>
> Modified: cfe/trunk/lib/Frontend/DependencyFile.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/DependencyFile.cpp?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Frontend/DependencyFile.cpp (original)
> +++ cfe/trunk/lib/Frontend/DependencyFile.cpp Sat Aug  8 23:46:57 2015
> @@ -18,6 +18,7 @@
>  #include "clang/Frontend/FrontendDiagnostic.h"
>  #include "clang/Lex/DirectoryLookup.h"
>  #include "clang/Lex/LexDiagnostic.h"
> +#include "clang/Lex/ModuleMap.h"
>  #include "clang/Lex/PPCallbacks.h"
>  #include "clang/Lex/Preprocessor.h"
>  #include "clang/Serialization/ASTReader.h"
> @@ -82,6 +83,20 @@ struct DepCollectorPPCallbacks : public
>    }
>  };
>
> +struct DepCollectorMMCallbacks : public ModuleMapCallbacks {
> +  DependencyCollector &DepCollector;
> +  DepCollectorMMCallbacks(DependencyCollector &DC) : DepCollector(DC) {}
> +
> +  void moduleMapFileRead(SourceLocation Loc, const FileEntry &Entry,
> +                         bool IsSystem) override {
> +    StringRef Filename = Entry.getName();
> +    DepCollector.maybeAddDependency(Filename, /*FromModule*/false,
> +                                    /*IsSystem*/IsSystem,
> +                                    /*IsModuleFile*/false,
> +                                    /*IsMissing*/false);
> +  }
> +};
> +
>  struct DepCollectorASTListener : public ASTReaderListener {
>    DependencyCollector &DepCollector;
>    DepCollectorASTListener(DependencyCollector &L) : DepCollector(L) { }
> @@ -132,6 +147,8 @@ DependencyCollector::~DependencyCollecto
>  void DependencyCollector::attachToPreprocessor(Preprocessor &PP) {
>    PP.addPPCallbacks(
>        llvm::make_unique<DepCollectorPPCallbacks>(*this,
> PP.getSourceManager()));
> +  PP.getHeaderSearchInfo().getModuleMap().addModuleMapCallbacks(
> +      llvm::make_unique<DepCollectorMMCallbacks>(*this));
>  }
>  void DependencyCollector::attachToASTReader(ASTReader &R) {
>    R.addListener(llvm::make_unique<DepCollectorASTListener>(*this));
> @@ -185,6 +202,17 @@ public:
>    bool includeModuleFiles() const { return IncludeModuleFiles; }
>  };
>
> +class DFGMMCallback : public ModuleMapCallbacks {
> +  DFGImpl &Parent;
> +public:
> +  DFGMMCallback(DFGImpl &Parent) : Parent(Parent) {}
> +  void moduleMapFileRead(SourceLocation Loc, const FileEntry &Entry,
> +                         bool IsSystem) override {
> +    if (!IsSystem || Parent.includeSystemHeaders())
> +      Parent.AddFilename(Entry.getName());
> +  }
> +};
> +
>  class DFGASTReaderListener : public ASTReaderListener {
>    DFGImpl &Parent;
>  public:
> @@ -217,6 +245,8 @@ DependencyFileGenerator *DependencyFileG
>
>    DFGImpl *Callback = new DFGImpl(&PP, Opts);
>    PP.addPPCallbacks(std::unique_ptr<PPCallbacks>(Callback));
> +  PP.getHeaderSearchInfo().getModuleMap().addModuleMapCallbacks(
> +      llvm::make_unique<DFGMMCallback>(*Callback));
>    return new DependencyFileGenerator(Callback);
>  }
>
>
> Modified: cfe/trunk/lib/Lex/ModuleMap.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/ModuleMap.cpp?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Lex/ModuleMap.cpp (original)
> +++ cfe/trunk/lib/Lex/ModuleMap.cpp Sat Aug  8 23:46:57 2015
> @@ -2335,9 +2335,14 @@ bool ModuleMap::parseModuleMapFile(const
>
>    // Parse this module map file.
>    Lexer L(ID, SourceMgr.getBuffer(ID), SourceMgr, MMapLangOpts);
> +  SourceLocation Start = L.getSourceLocation();
>    ModuleMapParser Parser(L, SourceMgr, Target, Diags, *this, File, Dir,
>                           BuiltinIncludeDir, IsSystem);
>    bool Result = Parser.parseModuleMapFile();
>    ParsedModuleMap[File] = Result;
> +
> +  // Notify callbacks that we parsed it.
> +  for (const auto &Cb : Callbacks)
> +    Cb->moduleMapFileRead(Start, *File, IsSystem);
>    return Result;
>  }
>
> Modified: cfe/trunk/test/Modules/dependency-gen-pch.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/dependency-gen-pch.m?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Modules/dependency-gen-pch.m (original)
> +++ cfe/trunk/test/Modules/dependency-gen-pch.m Sat Aug  8 23:46:57 2015
> @@ -6,8 +6,8 @@
>  // RUN: FileCheck %s < %t.d
>  // CHECK: dependency-gen-pch.m.o
>  // CHECK-NEXT: dependency-gen-pch.m
> +// CHECK-NEXT: Inputs{{.}}module.map
>  // CHECK-NEXT: diamond_top.pcm
>  // CHECK-NEXT: Inputs{{.}}diamond_top.h
> -// CHECK-NEXT: Inputs{{.}}module.map
>
>  #import "diamond_top.h"
>
> Modified: cfe/trunk/test/Modules/dependency-gen.m
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/dependency-gen.m?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Modules/dependency-gen.m (original)
> +++ cfe/trunk/test/Modules/dependency-gen.m Sat Aug  8 23:46:57 2015
> @@ -4,8 +4,8 @@
>  // RUN: %clang_cc1 -x objective-c -isystem %S/Inputs/System/usr/include
> -dependency-file %t.d.1 -MT %s.o -I %S/Inputs -fsyntax-only -fmodules
> -fimplicit-module-maps -fmodules-cache-path=%t-mcp %s
>  // RUN: FileCheck %s < %t.d.1
>  // CHECK: dependency-gen.m
> -// CHECK: Inputs{{.}}diamond_top.h
>  // CHECK: Inputs{{.}}module.map
> +// CHECK: Inputs{{.}}diamond_top.h
>  // CHECK-NOT: usr{{.}}include{{.}}module.map
>  // CHECK-NOT: stdint.h
>
> @@ -13,8 +13,8 @@
>  // RUN: %clang_cc1 -x objective-c -isystem %S/Inputs/System/usr/include
> -dependency-file %t.d.2 -MT %s.o -I %S/Inputs -sys-header-deps
> -fsyntax-only -fmodules -fimplicit-module-maps -fmodules-cache-path=%t-mcp
> %s
>  // RUN: FileCheck %s -check-prefix=CHECK-SYS < %t.d.2
>  // CHECK-SYS: dependency-gen.m
> -// CHECK-SYS: Inputs{{.}}diamond_top.h
>  // CHECK-SYS: Inputs{{.}}module.map
> +// CHECK-SYS: Inputs{{.}}diamond_top.h
>  // CHECK-SYS: usr{{.}}include{{.}}module.map
>  // CHECK-SYS: stdint.h
>
>
> Modified: cfe/trunk/test/Modules/dependency-gen.modulemap
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/dependency-gen.modulemap?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Modules/dependency-gen.modulemap (original)
> +++ cfe/trunk/test/Modules/dependency-gen.modulemap Sat Aug  8 23:46:57
> 2015
> @@ -15,5 +15,10 @@ module "test" {
>  extern module "test-base2" "Inputs/dependency-gen-base2.modulemap"
>  extern module "test-base" "Inputs/dependency-gen-base.modulemap"
>
> -// CHECK: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-included2.h
> -// CHECK: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-base.modulemap
> +// CHECK-DAG: {{[/\\]}}dependency-gen.modulemap
> +// CHECK-DAG: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-base.modulemap
> +// CHECK-DAG: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-base2.modulemap
> +
> +// CHECK-DAG: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen.h
> +// CHECK-DAG: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-included.h
> +// CHECK-DAG: {{ |\.[/\\]}}Inputs{{[/\\]}}dependency-gen-included2.h
>
> Modified: cfe/trunk/test/Modules/relative-dep-gen.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/relative-dep-gen.cpp?rev=244413&r1=244412&r2=244413&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Modules/relative-dep-gen.cpp (original)
> +++ cfe/trunk/test/Modules/relative-dep-gen.cpp Sat Aug  8 23:46:57 2015
> @@ -20,5 +20,11 @@
>
>  #include "Inputs/relative-dep-gen-1.h"
>
> -// CHECK-BUILD: mod.pcm: Inputs/relative-dep-gen-1.h
> Inputs/relative-dep-gen-2.h
> -// CHECK-USE: use.o: relative-dep-gen.cpp Inputs/relative-dep-gen-1.h
> +// CHECK-BUILD: mod.pcm:
> +// CHECK-BUILD:   Inputs/relative-dep-gen{{(-cwd)?}}.modulemap
> +// CHECK-BUILD:   Inputs/relative-dep-gen-1.h
> +// CHECK-BUILD:   Inputs/relative-dep-gen-2.h
> +// CHECK-USE: use.o:
> +// CHECK-USE:   Inputs/relative-dep-gen{{(-cwd)?}}.modulemap
> +// CHECK-USE:   relative-dep-gen.cpp
> +// CHECK-USE:   Inputs/relative-dep-gen-1.h
>
>
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