CompilerInstance.cpp revision c3d43b783dfb1a1502aa8b31ab1985cf237b1f77
12a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar//===--- CompilerInstance.cpp ---------------------------------------------===// 22a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// 32a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// The LLVM Compiler Infrastructure 42a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// 52a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// This file is distributed under the University of Illinois Open Source 62a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// License. See LICENSE.TXT for details. 72a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar// 82a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar//===----------------------------------------------------------------------===// 92a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 102a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "clang/Frontend/CompilerInstance.h" 1112ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar#include "clang/AST/ASTConsumer.h" 125eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar#include "clang/AST/ASTContext.h" 132a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "clang/Basic/Diagnostic.h" 1416b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar#include "clang/Basic/FileManager.h" 1516b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar#include "clang/Basic/SourceManager.h" 162a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "clang/Basic/TargetInfo.h" 170397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar#include "clang/Basic/Version.h" 1822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/HeaderSearch.h" 1922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/Preprocessor.h" 2022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/PTHManager.h" 210fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar#include "clang/Frontend/ChainedDiagnosticClient.h" 220397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar#include "clang/Frontend/FrontendAction.h" 230f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar#include "clang/Frontend/PCHReader.h" 24c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar#include "clang/Frontend/FrontendDiagnostic.h" 250fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 26f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar#include "clang/Frontend/VerifyDiagnosticsClient.h" 2722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Frontend/Utils.h" 28c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar#include "clang/Sema/CodeCompleteConsumer.h" 292a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "llvm/LLVMContext.h" 30ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar#include "llvm/Support/MemoryBuffer.h" 310fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar#include "llvm/Support/raw_ostream.h" 32f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam#include "llvm/Support/Timer.h" 330397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar#include "llvm/System/Host.h" 34a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar#include "llvm/System/Path.h" 352b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor#include "llvm/System/Program.h" 362a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbarusing namespace clang; 372a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 3842e9f8e4983d50f896ec716207817b9d96e7e79cDaniel DunbarCompilerInstance::CompilerInstance() 3942e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar : Invocation(new CompilerInvocation()) { 406228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar} 412a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 422a79e162a3fde25c1941151a67966830d873f2dbDaniel DunbarCompilerInstance::~CompilerInstance() { 4342e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar} 4442e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar 4542e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbarvoid CompilerInstance::setLLVMContext(llvm::LLVMContext *Value) { 4642e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar LLVMContext.reset(Value); 472a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar} 4816b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 496228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbarvoid CompilerInstance::setInvocation(CompilerInvocation *Value) { 506228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar Invocation.reset(Value); 516228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar} 526228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar 538a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setDiagnostics(Diagnostic *Value) { 548a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Diagnostics.reset(Value); 558a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 568a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 578a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setDiagnosticClient(DiagnosticClient *Value) { 588a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar DiagClient.reset(Value); 598a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 608a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 618a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setTarget(TargetInfo *Value) { 628a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Target.reset(Value); 638a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 648a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 658a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setFileManager(FileManager *Value) { 668a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar FileMgr.reset(Value); 678a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 688a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 698a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setSourceManager(SourceManager *Value) { 708a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar SourceMgr.reset(Value); 718a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 728a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 738a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setPreprocessor(Preprocessor *Value) { 748a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar PP.reset(Value); 758a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 768a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 778a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setASTContext(ASTContext *Value) { 788a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Context.reset(Value); 7912ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar} 8012ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar 8112ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbarvoid CompilerInstance::setASTConsumer(ASTConsumer *Value) { 8212ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar Consumer.reset(Value); 838a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 848a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 858a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { 868a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar CompletionConsumer.reset(Value); 878a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 888a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 890fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Diagnostics 90d93256e55673a17d18543397ec462416acb13792Douglas Gregornamespace { 91d93256e55673a17d18543397ec462416acb13792Douglas Gregor class BinaryDiagnosticSerializer : public DiagnosticClient { 92d93256e55673a17d18543397ec462416acb13792Douglas Gregor llvm::raw_ostream &OS; 93d93256e55673a17d18543397ec462416acb13792Douglas Gregor SourceManager *SourceMgr; 94d93256e55673a17d18543397ec462416acb13792Douglas Gregor public: 95d93256e55673a17d18543397ec462416acb13792Douglas Gregor explicit BinaryDiagnosticSerializer(llvm::raw_ostream &OS) 96d93256e55673a17d18543397ec462416acb13792Douglas Gregor : OS(OS), SourceMgr(0) { } 97e51dd7be67808d52c80c09b832d875e9655ce6e0Kovarththanan Rajaratnam 98d93256e55673a17d18543397ec462416acb13792Douglas Gregor virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, 99d93256e55673a17d18543397ec462416acb13792Douglas Gregor const DiagnosticInfo &Info); 100d93256e55673a17d18543397ec462416acb13792Douglas Gregor }; 101d93256e55673a17d18543397ec462416acb13792Douglas Gregor} 102d93256e55673a17d18543397ec462416acb13792Douglas Gregor 103d93256e55673a17d18543397ec462416acb13792Douglas Gregorvoid BinaryDiagnosticSerializer::HandleDiagnostic(Diagnostic::Level DiagLevel, 104d93256e55673a17d18543397ec462416acb13792Douglas Gregor const DiagnosticInfo &Info) { 105a88084b78fd4ca5d3d858c14b02414f8cc399f02Douglas Gregor StoredDiagnostic(DiagLevel, Info).Serialize(OS); 106d93256e55673a17d18543397ec462416acb13792Douglas Gregor} 1070fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1080fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbarstatic void SetUpBuildDumpLog(const DiagnosticOptions &DiagOpts, 1090fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar unsigned argc, char **argv, 1100fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::OwningPtr<DiagnosticClient> &DiagClient) { 1110fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar std::string ErrorInfo; 1120fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::raw_ostream *OS = 1130fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar new llvm::raw_fd_ostream(DiagOpts.DumpBuildInformation.c_str(), ErrorInfo); 1140fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!ErrorInfo.empty()) { 1150fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // FIXME: Do not fail like this. 1160fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::errs() << "error opening -dump-build-information file '" 1170fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar << DiagOpts.DumpBuildInformation << "', option ignored!\n"; 1180fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar delete OS; 1190fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return; 1200fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar } 1210fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 122dd63b28107f21692b5065588f0e90b4534946f93Daniel Dunbar (*OS) << "clang -cc1 command line arguments: "; 1230fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar for (unsigned i = 0; i != argc; ++i) 1240fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << argv[i] << ' '; 1250fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << '\n'; 1260fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1270fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Chain in a diagnostic client which will log the diagnostics. 1280fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagnosticClient *Logger = 1290fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar new TextDiagnosticPrinter(*OS, DiagOpts, /*OwnsOutputStream=*/true); 1300fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagClient.reset(new ChainedDiagnosticClient(DiagClient.take(), Logger)); 1310fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1320fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1330fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbarvoid CompilerInstance::createDiagnostics(int Argc, char **Argv) { 1340fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar Diagnostics.reset(createDiagnostics(getDiagnosticOpts(), Argc, Argv)); 1350fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1360fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (Diagnostics) 1370fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagClient.reset(Diagnostics->getClient()); 1380fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1390fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1400fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel DunbarDiagnostic *CompilerInstance::createDiagnostics(const DiagnosticOptions &Opts, 1410fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar int Argc, char **Argv) { 142221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar llvm::OwningPtr<Diagnostic> Diags(new Diagnostic()); 143221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar 1440fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Create the diagnostic client for reporting errors or for 1450fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // implementing -verify. 146d93256e55673a17d18543397ec462416acb13792Douglas Gregor llvm::OwningPtr<DiagnosticClient> DiagClient; 147d93256e55673a17d18543397ec462416acb13792Douglas Gregor if (Opts.BinaryOutput) { 148d93256e55673a17d18543397ec462416acb13792Douglas Gregor if (llvm::sys::Program::ChangeStderrToBinary()) { 149d93256e55673a17d18543397ec462416acb13792Douglas Gregor // We weren't able to set standard error to binary, which is a 150d93256e55673a17d18543397ec462416acb13792Douglas Gregor // bit of a problem. So, just create a text diagnostic printer 151d93256e55673a17d18543397ec462416acb13792Douglas Gregor // to complain about this problem, and pretend that the user 152d93256e55673a17d18543397ec462416acb13792Douglas Gregor // didn't try to use binary output. 153d93256e55673a17d18543397ec462416acb13792Douglas Gregor DiagClient.reset(new TextDiagnosticPrinter(llvm::errs(), Opts)); 154d93256e55673a17d18543397ec462416acb13792Douglas Gregor Diags->setClient(DiagClient.take()); 155d93256e55673a17d18543397ec462416acb13792Douglas Gregor Diags->Report(diag::err_fe_stderr_binary); 156d93256e55673a17d18543397ec462416acb13792Douglas Gregor return Diags.take(); 157d93256e55673a17d18543397ec462416acb13792Douglas Gregor } else { 158d93256e55673a17d18543397ec462416acb13792Douglas Gregor DiagClient.reset(new BinaryDiagnosticSerializer(llvm::errs())); 159d93256e55673a17d18543397ec462416acb13792Douglas Gregor } 160d93256e55673a17d18543397ec462416acb13792Douglas Gregor } else { 161d93256e55673a17d18543397ec462416acb13792Douglas Gregor DiagClient.reset(new TextDiagnosticPrinter(llvm::errs(), Opts)); 162d93256e55673a17d18543397ec462416acb13792Douglas Gregor } 163f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar 164f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar // Chain in -verify checker, if requested. 165f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar if (Opts.VerifyDiagnostics) 166221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar DiagClient.reset(new VerifyDiagnosticsClient(*Diags, DiagClient.take())); 1670fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1680fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!Opts.DumpBuildInformation.empty()) 1690fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar SetUpBuildDumpLog(Opts, Argc, Argv, DiagClient); 1700fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1710fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Configure our handling of diagnostics. 172221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar Diags->setClient(DiagClient.take()); 1730fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (ProcessWarningOptions(*Diags, Opts)) 1740fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return 0; 1750fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 176221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar return Diags.take(); 1770fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1780fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1790fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// File Manager 1800fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 18116b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createFileManager() { 18216b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar FileMgr.reset(new FileManager()); 18316b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 18416b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 1850fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Source Manager 1860fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 18716b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createSourceManager() { 188f715ca12bfc9fddfde75f98a197424434428b821Douglas Gregor SourceMgr.reset(new SourceManager(getDiagnostics())); 18916b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 19022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 1910fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Preprocessor 1920fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 19322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbarvoid CompilerInstance::createPreprocessor() { 19422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP.reset(createPreprocessor(getDiagnostics(), getLangOpts(), 19522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar getPreprocessorOpts(), getHeaderSearchOpts(), 19622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar getDependencyOutputOpts(), getTarget(), 1977d957472ef9a09048c03d8a11028536f908c18b9Fariborz Jahanian getFrontendOpts(), getSourceManager(), 1987d957472ef9a09048c03d8a11028536f908c18b9Fariborz Jahanian getFileManager())); 19922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 20022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 20122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel DunbarPreprocessor * 20222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel DunbarCompilerInstance::createPreprocessor(Diagnostic &Diags, 20322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const LangOptions &LangInfo, 20422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const PreprocessorOptions &PPOpts, 20522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const HeaderSearchOptions &HSOpts, 20622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const DependencyOutputOptions &DepOpts, 20722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const TargetInfo &Target, 2087d957472ef9a09048c03d8a11028536f908c18b9Fariborz Jahanian const FrontendOptions &FEOpts, 20922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar SourceManager &SourceMgr, 21022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar FileManager &FileMgr) { 21122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create a PTH manager if we are using some form of a token cache. 21222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHManager *PTHMgr = 0; 213049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar if (!PPOpts.TokenCache.empty()) 214049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar PTHMgr = PTHManager::Create(PPOpts.TokenCache, Diags); 21522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 21622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create the Preprocessor. 21722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar HeaderSearch *HeaderInfo = new HeaderSearch(FileMgr); 21822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar Preprocessor *PP = new Preprocessor(Diags, LangInfo, Target, 21922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar SourceMgr, *HeaderInfo, PTHMgr, 22022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar /*OwnsHeaderSearch=*/true); 22122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 22222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Note that this is different then passing PTHMgr to Preprocessor's ctor. 22322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // That argument is used as the IdentifierInfoLookup argument to 22422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // IdentifierTable's ctor. 22522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (PTHMgr) { 22622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHMgr->setPreprocessor(PP); 22722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP->setPTHManager(PTHMgr); 22822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar } 22922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 2307d957472ef9a09048c03d8a11028536f908c18b9Fariborz Jahanian InitializePreprocessor(*PP, PPOpts, HSOpts, FEOpts); 23122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 23222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Handle generating dependencies, if requested. 23322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (!DepOpts.OutputFile.empty()) 23422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar AttachDependencyFileGen(*PP, DepOpts); 23522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 23622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar return PP; 23722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 2385eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2395eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar// ASTContext 2405eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2415eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbarvoid CompilerInstance::createASTContext() { 2425eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Preprocessor &PP = getPreprocessor(); 2435eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Context.reset(new ASTContext(getLangOpts(), PP.getSourceManager(), 2445eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar getTarget(), PP.getIdentifierTable(), 2455eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar PP.getSelectorTable(), PP.getBuiltinInfo(), 2465eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar /*FreeMemory=*/ !getFrontendOpts().DisableFree, 2475eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar /*size_reserve=*/ 0)); 2485eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar} 2490f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2500f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar// ExternalASTSource 2510f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2520f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbarvoid CompilerInstance::createPCHExternalASTSource(llvm::StringRef Path) { 2530f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar llvm::OwningPtr<ExternalASTSource> Source; 2540f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, 2550f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getPreprocessor(), getASTContext())); 2560f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getASTContext().setExternalSource(Source); 2570f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 2580f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2590f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarExternalASTSource * 2600f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarCompilerInstance::createPCHExternalASTSource(llvm::StringRef Path, 2610f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar const std::string &Sysroot, 2620f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Preprocessor &PP, 2630f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar ASTContext &Context) { 2640f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar llvm::OwningPtr<PCHReader> Reader; 2650f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Reader.reset(new PCHReader(PP, &Context, 2660f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Sysroot.empty() ? 0 : Sysroot.c_str())); 2670f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2680f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar switch (Reader->ReadPCH(Path)) { 2690f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::Success: 2700f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Set the predefines buffer as suggested by the PCH reader. Typically, the 2710f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // predefines buffer will be empty. 2720f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar PP.setPredefines(Reader->getSuggestedPredefines()); 2730f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return Reader.take(); 2740f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2750f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::Failure: 2760f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Unrecoverable failure: don't even try to process the input file. 2770f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 2780f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2790f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::IgnorePCH: 2800f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // No suitable PCH file could be found. Return an error. 2810f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 2820f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar } 2830f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2840f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return 0; 2850f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 286c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 287c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar// Code Completion 288c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 289c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbarvoid CompilerInstance::createCodeCompletionConsumer() { 290c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; 291c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar CompletionConsumer.reset( 292c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar createCodeCompletionConsumer(getPreprocessor(), 293c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar Loc.FileName, Loc.Line, Loc.Column, 294c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar getFrontendOpts().DebugCodeCompletionPrinter, 295c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar getFrontendOpts().ShowMacrosInCodeCompletion, 296c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar llvm::outs())); 297c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor if (!CompletionConsumer) 298c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor return; 2992b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor 3002b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor if (CompletionConsumer->isOutputBinary() && 3012b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor llvm::sys::Program::ChangeStdoutToBinary()) { 3022b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); 3032b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor CompletionConsumer.reset(); 3042b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor } 305c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 306c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 307f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnamvoid CompilerInstance::createFrontendTimer() { 308f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); 309f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam} 310f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam 311c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCodeCompleteConsumer * 312c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, 313c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const std::string &Filename, 314c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Line, 315c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Column, 316c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar bool UseDebugPrinter, 317c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar bool ShowMacros, 318c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar llvm::raw_ostream &OS) { 319c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Tell the source manager to chop off the given file at a specific 320c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // line and column. 321c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const FileEntry *Entry = PP.getFileManager().getFile(Filename); 322c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar if (!Entry) { 323c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) 324c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar << Filename; 325c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return 0; 326c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar } 327c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 328c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Truncate the named file at the given line/column. 3292968442603b029949246467253eeac8139a5b6d8Douglas Gregor PP.SetCodeCompletionPoint(Entry, Line, Column); 330c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 331c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Set up the creation routine for code-completion. 332c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar if (UseDebugPrinter) 333c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return new PrintingCodeCompleteConsumer(ShowMacros, OS); 334c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar else 335c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return new CIndexCodeCompleteConsumer(ShowMacros, OS); 336c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 337a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 338a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar// Output Files 339a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 340a9204831639e31474b927681b97c46781b758a1aDaniel Dunbarvoid CompilerInstance::addOutputFile(llvm::StringRef Path, 341a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar llvm::raw_ostream *OS) { 342a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar assert(OS && "Attempt to add empty stream to output list!"); 343a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.push_back(std::make_pair(Path, OS)); 344a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 345a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 346e51dd7be67808d52c80c09b832d875e9655ce6e0Kovarththanan Rajaratnamvoid CompilerInstance::clearOutputFiles(bool EraseFiles) { 347a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar for (std::list< std::pair<std::string, llvm::raw_ostream*> >::iterator 348a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { 349a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar delete it->second; 350a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar if (EraseFiles && !it->first.empty()) 351a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar llvm::sys::Path(it->first).eraseFromDisk(); 352a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar } 353a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.clear(); 354a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 355a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 356f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 357f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createDefaultOutputFile(bool Binary, 358f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 359f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension) { 360f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return createOutputFile(getFrontendOpts().OutputFile, Binary, 361f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension); 362f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 363f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 364f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 365f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createOutputFile(llvm::StringRef OutputPath, 366f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 367f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 368f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension) { 369f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string Error, OutputPathName; 370f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, 371f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension, 372f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar &OutputPathName); 373f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OS) { 374360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar getDiagnostics().Report(diag::err_fe_unable_to_open_output) 375360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar << OutputPath << Error; 376360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar return 0; 377f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 378f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 379f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // Add the output file -- but don't try to remove "-", since this means we are 380f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // using stdin. 381f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar addOutputFile((OutputPathName != "-") ? OutputPathName : "", OS); 382f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 383f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return OS; 384f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 385f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 386f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 387f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createOutputFile(llvm::StringRef OutputPath, 388f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string &Error, 389f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 390f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 391f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension, 392f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string *ResultPathName) { 393f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string OutFile; 394f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OutputPath.empty()) { 395f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = OutputPath; 396f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (InFile == "-") { 397f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 398f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (!Extension.empty()) { 399f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::sys::Path Path(InFile); 400f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.eraseSuffix(); 401f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.appendSuffix(Extension); 402f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = Path.str(); 403f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else { 404f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 405f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 406f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 407fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar llvm::OwningPtr<llvm::raw_fd_ostream> OS( 408f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar new llvm::raw_fd_ostream(OutFile.c_str(), Error, 409fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar (Binary ? llvm::raw_fd_ostream::F_Binary : 0))); 410fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar if (!Error.empty()) 411f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return 0; 412f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 413f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (ResultPathName) 414f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar *ResultPathName = OutFile; 415f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 416fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar return OS.take(); 417f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 418ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 419ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar// Initialization Utilities 420ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 421ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbarbool CompilerInstance::InitializeSourceManager(llvm::StringRef InputFile) { 422ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return InitializeSourceManager(InputFile, getDiagnostics(), getFileManager(), 423ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar getSourceManager(), getFrontendOpts()); 424ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 425ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 426ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbarbool CompilerInstance::InitializeSourceManager(llvm::StringRef InputFile, 427ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diagnostic &Diags, 428ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar FileManager &FileMgr, 429ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceManager &SourceMgr, 430ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FrontendOptions &Opts) { 431ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar // Figure out where to get and map in the main file. 432ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (Opts.EmptyInputOnly) { 433ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const char *EmptyStr = ""; 434ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer *SB = 435ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer::getMemBuffer(EmptyStr, EmptyStr, "<empty input>"); 436ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceMgr.createMainFileIDForMemBuffer(SB); 437ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else if (InputFile != "-") { 438ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FileEntry *File = FileMgr.getFile(InputFile); 439ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (File) SourceMgr.createMainFileID(File, SourceLocation()); 440ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (SourceMgr.getMainFileID().isInvalid()) { 441ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading) << InputFile; 442ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 443ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 444ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else { 445ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer *SB = llvm::MemoryBuffer::getSTDIN(); 446ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceMgr.createMainFileIDForMemBuffer(SB); 447ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (SourceMgr.getMainFileID().isInvalid()) { 448ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading_stdin); 449ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 450ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 451ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 452ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 453ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return true; 454ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 4550397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4560397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar// High-Level Operations 4570397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4580397af277e3bba16da1fd125ddba07415686b429Daniel Dunbarbool CompilerInstance::ExecuteAction(FrontendAction &Act) { 4590397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); 4600397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); 4610397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); 4620397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4630397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: Take this as an argument, once all the APIs we used have moved to 4640397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // taking it as an input instead of hard-coding llvm::errs. 4650397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar llvm::raw_ostream &OS = llvm::errs(); 4660397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4670397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the target instance. 4680397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), getTargetOpts())); 4690397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!hasTarget()) 4700397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return false; 4710397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4720397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Inform the target of the language options. 4730397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 4740397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: We shouldn't need to do this, the target should be immutable once 4750397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // created. This complexity should be lifted elsewhere. 4760397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getTarget().setForcedLangOptions(getLangOpts()); 4770397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4780397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Validate/process some options. 4790397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getHeaderSearchOpts().Verbose) 4800397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "clang -cc1 version " CLANG_VERSION_STRING 4810397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " based upon " << PACKAGE_STRING 4820397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " hosted on " << llvm::sys::getHostTriple() << "\n"; 4830397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4840397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowTimers) 4850397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFrontendTimer(); 4860397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4870397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { 4880397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar const std::string &InFile = getFrontendOpts().Inputs[i].second; 4890397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4900397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // If we aren't using an AST file, setup the file and source managers and 4910397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // the preprocessor. 4920397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar bool IsAST = getFrontendOpts().Inputs[i].first == FrontendOptions::IK_AST; 4930397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!IsAST) { 4940397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!i) { 4950397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create a file manager object to provide access to and cache the 4960397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // filesystem. 4970397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFileManager(); 4980397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4990397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the source manager. 5000397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createSourceManager(); 5010397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } else { 5020397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Reset the ID tables if we are reusing the SourceManager. 5030397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getSourceManager().clearIDTables(); 5040397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 5050397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5060397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the preprocessor. 5070397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createPreprocessor(); 5080397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 5090397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5100397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (Act.BeginSourceFile(*this, InFile, IsAST)) { 5110397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.Execute(); 5120397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.EndSourceFile(); 5130397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 5140397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 5150397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5160397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getDiagnosticOpts().ShowCarets) 5170397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (unsigned NumDiagnostics = getDiagnostics().getNumDiagnostics()) 5180397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << NumDiagnostics << " diagnostic" 5190397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << (NumDiagnostics == 1 ? "" : "s") 5200397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " generated.\n"; 5210397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5220397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowStats) { 5230397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getFileManager().PrintStats(); 5240397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "\n"; 5250397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 5260397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5270397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Return the appropriate status when verifying diagnostics. 5280397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 5290397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: If we could make getNumErrors() do the right thing, we wouldn't need 5300397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // this. 5310397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getDiagnosticOpts().VerifyDiagnostics) 5320397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return !static_cast<VerifyDiagnosticsClient&>( 5330397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getDiagnosticClient()).HadErrors(); 5340397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5350397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return !getDiagnostics().getNumErrors(); 5360397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar} 5370397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 5380397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 539