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-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp7
-rw-r--r--clang/lib/Frontend/FrontendActions.cpp125
-rw-r--r--clang/lib/Frontend/FrontendOptions.cpp2
3 files changed, 132 insertions, 2 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 2d945b5b044..0fb8e58b3d5 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -644,6 +644,8 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
Opts.ProgramAction = frontend::InitOnly; break;
case OPT_fsyntax_only:
Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
+ case OPT_module_file_info:
+ Opts.ProgramAction = frontend::ModuleFileInfo; break;
case OPT_print_decl_contexts:
Opts.ProgramAction = frontend::PrintDeclContext; break;
case OPT_print_preamble:
@@ -779,7 +781,7 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
.Case("objective-c-header", IK_ObjC)
.Case("c++-header", IK_CXX)
.Case("objective-c++-header", IK_ObjCXX)
- .Case("ast", IK_AST)
+ .Cases("ast", "pcm", IK_AST)
.Case("ir", IK_LLVM_IR)
.Default(IK_None);
if (DashX == IK_None)
@@ -1465,6 +1467,7 @@ static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
case frontend::GeneratePCH:
case frontend::GeneratePTH:
case frontend::ParseSyntaxOnly:
+ case frontend::ModuleFileInfo:
case frontend::PluginAction:
case frontend::PrintDeclContext:
case frontend::RewriteObjC:
@@ -1627,6 +1630,8 @@ llvm::APInt ModuleSignature::getAsInteger() const {
}
std::string CompilerInvocation::getModuleHash() const {
+ // Note: For QoI reasons, the things we use as a hash here should all be
+ // dumped via the -module-info flag.
using llvm::hash_code;
using llvm::hash_value;
using llvm::hash_combine;
diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp
index f3466f02342..5c7567fa8c0 100644
--- a/clang/lib/Frontend/FrontendActions.cpp
+++ b/clang/lib/Frontend/FrontendActions.cpp
@@ -19,6 +19,7 @@
#include "clang/Lex/Pragma.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Parse/Parser.h"
+#include "clang/Serialization/ASTReader.h"
#include "clang/Serialization/ASTWriter.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/FileSystem.h"
@@ -316,6 +317,130 @@ ASTConsumer *SyntaxOnlyAction::CreateASTConsumer(CompilerInstance &CI,
return new ASTConsumer();
}
+ASTConsumer *DumpModuleInfoAction::CreateASTConsumer(CompilerInstance &CI,
+ StringRef InFile) {
+ return new ASTConsumer();
+}
+
+namespace {
+ /// \brief AST reader listener that dumps module information for a module
+ /// file.
+ class DumpModuleInfoListener : public ASTReaderListener {
+ llvm::raw_ostream &Out;
+
+ public:
+ DumpModuleInfoListener(llvm::raw_ostream &Out) : Out(Out) { }
+
+#define DUMP_BOOLEAN(Value, Text) \
+ Out.indent(4) << Text << ": " << (Value? "Yes" : "No") << "\n"
+
+ virtual bool ReadFullVersionInformation(StringRef FullVersion) {
+ Out.indent(2)
+ << "Generated by "
+ << (FullVersion == getClangFullRepositoryVersion()? "this"
+ : "a different")
+ << " Clang: " << FullVersion << "\n";
+ return ASTReaderListener::ReadFullVersionInformation(FullVersion);
+ }
+
+ virtual bool ReadLanguageOptions(const LangOptions &LangOpts,
+ bool Complain) {
+ Out.indent(2) << "Language options:\n";
+#define LANGOPT(Name, Bits, Default, Description) \
+ DUMP_BOOLEAN(LangOpts.Name, Description);
+#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
+ Out.indent(4) << Description << ": " \
+ << static_cast<unsigned>(LangOpts.get##Name()) << "\n";
+#define VALUE_LANGOPT(Name, Bits, Default, Description) \
+ Out.indent(4) << Description << ": " << LangOpts.Name << "\n";
+#define BENIGN_LANGOPT(Name, Bits, Default, Description)
+#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
+#include "clang/Basic/LangOptions.def"
+ return false;
+ }
+
+ virtual bool ReadTargetOptions(const TargetOptions &TargetOpts,
+ bool Complain) {
+ Out.indent(2) << "Target options:\n";
+ Out.indent(4) << " Triple: " << TargetOpts.Triple << "\n";
+ Out.indent(4) << " CPU: " << TargetOpts.CPU << "\n";
+ Out.indent(4) << " ABI: " << TargetOpts.ABI << "\n";
+ Out.indent(4) << " C++ ABI: " << TargetOpts.CXXABI << "\n";
+ Out.indent(4) << " Linker version: " << TargetOpts.LinkerVersion << "\n";
+
+ if (!TargetOpts.FeaturesAsWritten.empty()) {
+ Out.indent(4) << "Target features:\n";
+ for (unsigned I = 0, N = TargetOpts.FeaturesAsWritten.size();
+ I != N; ++I) {
+ Out.indent(6) << TargetOpts.FeaturesAsWritten[I] << "\n";
+ }
+ }
+
+ return false;
+ }
+
+ virtual bool ReadHeaderSearchOptions(const HeaderSearchOptions &HSOpts,
+ bool Complain) {
+ Out.indent(2) << "Header search options:\n";
+ Out.indent(4) << "System root [-isysroot=]: '" << HSOpts.Sysroot << "'\n";
+ DUMP_BOOLEAN(HSOpts.UseBuiltinIncludes,
+ "Use builtin include directories [-nobuiltininc]");
+ DUMP_BOOLEAN(HSOpts.UseStandardSystemIncludes,
+ "Use standard system include directories [-nostdinc]");
+ DUMP_BOOLEAN(HSOpts.UseStandardCXXIncludes,
+ "Use standard C++ include directories [-nostdinc++]");
+ DUMP_BOOLEAN(HSOpts.UseLibcxx,
+ "Use libc++ (rather than libstdc++) [-stdlib=]");
+ return false;
+ }
+
+ virtual bool ReadPreprocessorOptions(const PreprocessorOptions &PPOpts,
+ bool Complain,
+ std::string &SuggestedPredefines) {
+ Out.indent(2) << "Preprocessor options:\n";
+ DUMP_BOOLEAN(PPOpts.UsePredefines,
+ "Uses compiler/target-specific predefines [-undef]");
+ DUMP_BOOLEAN(PPOpts.DetailedRecord,
+ "Uses detailed preprocessing record (for indexing)");
+
+ if (!PPOpts.Macros.empty()) {
+ Out.indent(4) << "Predefined macros:\n";
+ }
+
+ for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator
+ I = PPOpts.Macros.begin(), IEnd = PPOpts.Macros.end();
+ I != IEnd; ++I) {
+ Out.indent(6);
+ if (I->second)
+ Out << "-U";
+ else
+ Out << "-D";
+ Out << I->first << "\n";
+ }
+ return false;
+ }
+#undef DUMP_BOOLEAN
+ };
+}
+
+void DumpModuleInfoAction::ExecuteAction() {
+ // Set up the output file.
+ llvm::OwningPtr<llvm::raw_fd_ostream> OutFile;
+ StringRef OutputFileName = getCompilerInstance().getFrontendOpts().OutputFile;
+ if (!OutputFileName.empty() && OutputFileName != "-") {
+ std::string ErrorInfo;
+ OutFile.reset(new llvm::raw_fd_ostream(OutputFileName.str().c_str(),
+ ErrorInfo));
+ }
+ llvm::raw_ostream &Out = OutFile.get()? *OutFile.get() : llvm::outs();
+
+ Out << "Information for module file '" << getCurrentFile() << "':\n";
+ DumpModuleInfoListener Listener(Out);
+ ASTReader::readASTFileControlBlock(getCurrentFile(),
+ getCompilerInstance().getFileManager(),
+ Listener);
+}
+
//===----------------------------------------------------------------------===//
// Preprocessor Actions
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/Frontend/FrontendOptions.cpp b/clang/lib/Frontend/FrontendOptions.cpp
index ea4005f7c96..f1823c69e96 100644
--- a/clang/lib/Frontend/FrontendOptions.cpp
+++ b/clang/lib/Frontend/FrontendOptions.cpp
@@ -13,7 +13,7 @@ using namespace clang;
InputKind FrontendOptions::getInputKindForExtension(StringRef Extension) {
return llvm::StringSwitch<InputKind>(Extension)
- .Case("ast", IK_AST)
+ .Cases("ast", "pcm", IK_AST)
.Case("c", IK_C)
.Cases("S", "s", IK_Asm)
.Case("i", IK_PreprocessedC)
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