CompilerInstance.cpp revision 0397af277e3bba16da1fd125ddba07415686b429
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 382a79e162a3fde25c1941151a67966830d873f2dbDaniel DunbarCompilerInstance::CompilerInstance(llvm::LLVMContext *_LLVMContext, 392a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar bool _OwnsLLVMContext) 402a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar : LLVMContext(_LLVMContext), 412a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar OwnsLLVMContext(_OwnsLLVMContext) { 42c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar } 432a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 442a79e162a3fde25c1941151a67966830d873f2dbDaniel DunbarCompilerInstance::~CompilerInstance() { 452a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar if (OwnsLLVMContext) 462a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar delete LLVMContext; 472a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar} 4816b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 498a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setDiagnostics(Diagnostic *Value) { 508a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Diagnostics.reset(Value); 518a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 528a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 538a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setDiagnosticClient(DiagnosticClient *Value) { 548a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar DiagClient.reset(Value); 558a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 568a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 578a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setTarget(TargetInfo *Value) { 588a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Target.reset(Value); 598a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 608a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 618a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setFileManager(FileManager *Value) { 628a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar FileMgr.reset(Value); 638a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 648a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 658a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setSourceManager(SourceManager *Value) { 668a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar SourceMgr.reset(Value); 678a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 688a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 698a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setPreprocessor(Preprocessor *Value) { 708a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar PP.reset(Value); 718a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 728a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 738a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setASTContext(ASTContext *Value) { 748a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar Context.reset(Value); 7512ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar} 7612ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar 7712ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbarvoid CompilerInstance::setASTConsumer(ASTConsumer *Value) { 7812ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar Consumer.reset(Value); 798a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 808a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 818a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { 828a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar CompletionConsumer.reset(Value); 838a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 848a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 850fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Diagnostics 860fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 870fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbarstatic void SetUpBuildDumpLog(const DiagnosticOptions &DiagOpts, 880fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar unsigned argc, char **argv, 890fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::OwningPtr<DiagnosticClient> &DiagClient) { 900fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar std::string ErrorInfo; 910fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::raw_ostream *OS = 920fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar new llvm::raw_fd_ostream(DiagOpts.DumpBuildInformation.c_str(), ErrorInfo); 930fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!ErrorInfo.empty()) { 940fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // FIXME: Do not fail like this. 950fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar llvm::errs() << "error opening -dump-build-information file '" 960fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar << DiagOpts.DumpBuildInformation << "', option ignored!\n"; 970fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar delete OS; 980fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return; 990fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar } 1000fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 101dd63b28107f21692b5065588f0e90b4534946f93Daniel Dunbar (*OS) << "clang -cc1 command line arguments: "; 1020fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar for (unsigned i = 0; i != argc; ++i) 1030fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << argv[i] << ' '; 1040fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << '\n'; 1050fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1060fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Chain in a diagnostic client which will log the diagnostics. 1070fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagnosticClient *Logger = 1080fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar new TextDiagnosticPrinter(*OS, DiagOpts, /*OwnsOutputStream=*/true); 1090fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagClient.reset(new ChainedDiagnosticClient(DiagClient.take(), Logger)); 1100fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1110fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1120fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbarvoid CompilerInstance::createDiagnostics(int Argc, char **Argv) { 1130fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar Diagnostics.reset(createDiagnostics(getDiagnosticOpts(), Argc, Argv)); 1140fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1150fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (Diagnostics) 1160fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar DiagClient.reset(Diagnostics->getClient()); 1170fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1180fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1190fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel DunbarDiagnostic *CompilerInstance::createDiagnostics(const DiagnosticOptions &Opts, 1200fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar int Argc, char **Argv) { 121221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar llvm::OwningPtr<Diagnostic> Diags(new Diagnostic()); 122221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar 1230fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Create the diagnostic client for reporting errors or for 1240fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // implementing -verify. 125f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar llvm::OwningPtr<DiagnosticClient> DiagClient( 126f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar new TextDiagnosticPrinter(llvm::errs(), Opts)); 127f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar 128f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar // Chain in -verify checker, if requested. 129f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar if (Opts.VerifyDiagnostics) 130221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar DiagClient.reset(new VerifyDiagnosticsClient(*Diags, DiagClient.take())); 1310fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1320fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!Opts.DumpBuildInformation.empty()) 1330fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar SetUpBuildDumpLog(Opts, Argc, Argv, DiagClient); 1340fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1350fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Configure our handling of diagnostics. 136221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar Diags->setClient(DiagClient.take()); 1370fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (ProcessWarningOptions(*Diags, Opts)) 1380fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return 0; 1390fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 140221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar return Diags.take(); 1410fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1420fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1430fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// File Manager 1440fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 14516b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createFileManager() { 14616b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar FileMgr.reset(new FileManager()); 14716b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 14816b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 1490fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Source Manager 1500fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 15116b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createSourceManager() { 15216b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar SourceMgr.reset(new SourceManager()); 15316b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 15422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 1550fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Preprocessor 1560fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 15722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbarvoid CompilerInstance::createPreprocessor() { 15822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP.reset(createPreprocessor(getDiagnostics(), getLangOpts(), 15922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar getPreprocessorOpts(), getHeaderSearchOpts(), 16022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar getDependencyOutputOpts(), getTarget(), 16122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar getSourceManager(), getFileManager())); 16222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 16322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 16422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel DunbarPreprocessor * 16522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel DunbarCompilerInstance::createPreprocessor(Diagnostic &Diags, 16622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const LangOptions &LangInfo, 16722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const PreprocessorOptions &PPOpts, 16822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const HeaderSearchOptions &HSOpts, 16922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const DependencyOutputOptions &DepOpts, 17022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar const TargetInfo &Target, 17122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar SourceManager &SourceMgr, 17222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar FileManager &FileMgr) { 17322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create a PTH manager if we are using some form of a token cache. 17422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHManager *PTHMgr = 0; 175049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar if (!PPOpts.TokenCache.empty()) 176049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar PTHMgr = PTHManager::Create(PPOpts.TokenCache, Diags); 17722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 17822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create the Preprocessor. 17922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar HeaderSearch *HeaderInfo = new HeaderSearch(FileMgr); 18022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar Preprocessor *PP = new Preprocessor(Diags, LangInfo, Target, 18122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar SourceMgr, *HeaderInfo, PTHMgr, 18222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar /*OwnsHeaderSearch=*/true); 18322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 18422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Note that this is different then passing PTHMgr to Preprocessor's ctor. 18522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // That argument is used as the IdentifierInfoLookup argument to 18622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // IdentifierTable's ctor. 18722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (PTHMgr) { 18822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHMgr->setPreprocessor(PP); 18922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP->setPTHManager(PTHMgr); 19022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar } 19122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 19222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar InitializePreprocessor(*PP, PPOpts, HSOpts); 19322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 19422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Handle generating dependencies, if requested. 19522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (!DepOpts.OutputFile.empty()) 19622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar AttachDependencyFileGen(*PP, DepOpts); 19722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 19822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar return PP; 19922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 2005eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2015eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar// ASTContext 2025eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2035eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbarvoid CompilerInstance::createASTContext() { 2045eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Preprocessor &PP = getPreprocessor(); 2055eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Context.reset(new ASTContext(getLangOpts(), PP.getSourceManager(), 2065eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar getTarget(), PP.getIdentifierTable(), 2075eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar PP.getSelectorTable(), PP.getBuiltinInfo(), 2085eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar /*FreeMemory=*/ !getFrontendOpts().DisableFree, 2095eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar /*size_reserve=*/ 0)); 2105eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar} 2110f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2120f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar// ExternalASTSource 2130f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2140f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbarvoid CompilerInstance::createPCHExternalASTSource(llvm::StringRef Path) { 2150f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar llvm::OwningPtr<ExternalASTSource> Source; 2160f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, 2170f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getPreprocessor(), getASTContext())); 2180f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getASTContext().setExternalSource(Source); 2190f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 2200f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2210f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarExternalASTSource * 2220f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarCompilerInstance::createPCHExternalASTSource(llvm::StringRef Path, 2230f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar const std::string &Sysroot, 2240f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Preprocessor &PP, 2250f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar ASTContext &Context) { 2260f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar llvm::OwningPtr<PCHReader> Reader; 2270f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Reader.reset(new PCHReader(PP, &Context, 2280f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Sysroot.empty() ? 0 : Sysroot.c_str())); 2290f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2300f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar switch (Reader->ReadPCH(Path)) { 2310f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::Success: 2320f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Set the predefines buffer as suggested by the PCH reader. Typically, the 2330f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // predefines buffer will be empty. 2340f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar PP.setPredefines(Reader->getSuggestedPredefines()); 2350f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return Reader.take(); 2360f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2370f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::Failure: 2380f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Unrecoverable failure: don't even try to process the input file. 2390f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 2400f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2410f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar case PCHReader::IgnorePCH: 2420f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // No suitable PCH file could be found. Return an error. 2430f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 2440f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar } 2450f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 2460f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return 0; 2470f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 248c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 249c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar// Code Completion 250c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 251c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbarvoid CompilerInstance::createCodeCompletionConsumer() { 252c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; 253c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar CompletionConsumer.reset( 254c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar createCodeCompletionConsumer(getPreprocessor(), 255c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar Loc.FileName, Loc.Line, Loc.Column, 256c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar getFrontendOpts().DebugCodeCompletionPrinter, 257c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar getFrontendOpts().ShowMacrosInCodeCompletion, 258c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar llvm::outs())); 2592b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor 2602b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor if (CompletionConsumer->isOutputBinary() && 2612b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor llvm::sys::Program::ChangeStdoutToBinary()) { 2622b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); 2632b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor CompletionConsumer.reset(); 2642b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor } 265c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 266c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 267f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnamvoid CompilerInstance::createFrontendTimer() { 268f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); 269f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam} 270f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam 271c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCodeCompleteConsumer * 272c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, 273c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const std::string &Filename, 274c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Line, 275c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Column, 276c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar bool UseDebugPrinter, 277c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar bool ShowMacros, 278c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar llvm::raw_ostream &OS) { 279c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Tell the source manager to chop off the given file at a specific 280c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // line and column. 281c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const FileEntry *Entry = PP.getFileManager().getFile(Filename); 282c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar if (!Entry) { 283c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) 284c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar << Filename; 285c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return 0; 286c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar } 287c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 288c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Truncate the named file at the given line/column. 2892968442603b029949246467253eeac8139a5b6d8Douglas Gregor PP.SetCodeCompletionPoint(Entry, Line, Column); 290c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 291c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Set up the creation routine for code-completion. 292c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar if (UseDebugPrinter) 293c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return new PrintingCodeCompleteConsumer(ShowMacros, OS); 294c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar else 295c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return new CIndexCodeCompleteConsumer(ShowMacros, OS); 296c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 297a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 298a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar// Output Files 299a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 300a9204831639e31474b927681b97c46781b758a1aDaniel Dunbarvoid CompilerInstance::addOutputFile(llvm::StringRef Path, 301a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar llvm::raw_ostream *OS) { 302a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar assert(OS && "Attempt to add empty stream to output list!"); 303a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.push_back(std::make_pair(Path, OS)); 304a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 305a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 306a9204831639e31474b927681b97c46781b758a1aDaniel Dunbarvoid CompilerInstance::ClearOutputFiles(bool EraseFiles) { 307a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar for (std::list< std::pair<std::string, llvm::raw_ostream*> >::iterator 308a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { 309a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar delete it->second; 310a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar if (EraseFiles && !it->first.empty()) 311a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar llvm::sys::Path(it->first).eraseFromDisk(); 312a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar } 313a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.clear(); 314a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 315a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 316f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 317f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createDefaultOutputFile(bool Binary, 318f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 319f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension) { 320f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return createOutputFile(getFrontendOpts().OutputFile, Binary, 321f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension); 322f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 323f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 324f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 325f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createOutputFile(llvm::StringRef OutputPath, 326f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 327f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 328f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension) { 329f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string Error, OutputPathName; 330f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, 331f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension, 332f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar &OutputPathName); 333f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OS) { 334360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar getDiagnostics().Report(diag::err_fe_unable_to_open_output) 335360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar << OutputPath << Error; 336360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar return 0; 337f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 338f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 339f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // Add the output file -- but don't try to remove "-", since this means we are 340f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // using stdin. 341f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar addOutputFile((OutputPathName != "-") ? OutputPathName : "", OS); 342f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 343f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return OS; 344f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 345f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 346f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 347f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createOutputFile(llvm::StringRef OutputPath, 348f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string &Error, 349f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 350f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef InFile, 351f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::StringRef Extension, 352f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string *ResultPathName) { 353f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string OutFile; 354f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OutputPath.empty()) { 355f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = OutputPath; 356f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (InFile == "-") { 357f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 358f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (!Extension.empty()) { 359f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::sys::Path Path(InFile); 360f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.eraseSuffix(); 361f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.appendSuffix(Extension); 362f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = Path.str(); 363f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else { 364f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 365f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 366f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 367fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar llvm::OwningPtr<llvm::raw_fd_ostream> OS( 368f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar new llvm::raw_fd_ostream(OutFile.c_str(), Error, 369fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar (Binary ? llvm::raw_fd_ostream::F_Binary : 0))); 370fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar if (!Error.empty()) 371f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return 0; 372f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 373f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (ResultPathName) 374f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar *ResultPathName = OutFile; 375f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 376fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar return OS.take(); 377f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 378ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 379ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar// Initialization Utilities 380ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 381ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbarbool CompilerInstance::InitializeSourceManager(llvm::StringRef InputFile) { 382ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return InitializeSourceManager(InputFile, getDiagnostics(), getFileManager(), 383ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar getSourceManager(), getFrontendOpts()); 384ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 385ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 386ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbarbool CompilerInstance::InitializeSourceManager(llvm::StringRef InputFile, 387ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diagnostic &Diags, 388ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar FileManager &FileMgr, 389ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceManager &SourceMgr, 390ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FrontendOptions &Opts) { 391ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar // Figure out where to get and map in the main file. 392ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (Opts.EmptyInputOnly) { 393ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const char *EmptyStr = ""; 394ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer *SB = 395ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer::getMemBuffer(EmptyStr, EmptyStr, "<empty input>"); 396ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceMgr.createMainFileIDForMemBuffer(SB); 397ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else if (InputFile != "-") { 398ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FileEntry *File = FileMgr.getFile(InputFile); 399ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (File) SourceMgr.createMainFileID(File, SourceLocation()); 400ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (SourceMgr.getMainFileID().isInvalid()) { 401ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading) << InputFile; 402ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 403ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 404ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else { 405ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar llvm::MemoryBuffer *SB = llvm::MemoryBuffer::getSTDIN(); 406ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceMgr.createMainFileIDForMemBuffer(SB); 407ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar if (SourceMgr.getMainFileID().isInvalid()) { 408ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading_stdin); 409ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 410ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 411ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 412ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 413ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return true; 414ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 4150397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4160397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar// High-Level Operations 4170397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4180397af277e3bba16da1fd125ddba07415686b429Daniel Dunbarbool CompilerInstance::ExecuteAction(FrontendAction &Act) { 4190397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); 4200397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); 4210397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); 4220397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4230397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: Take this as an argument, once all the APIs we used have moved to 4240397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // taking it as an input instead of hard-coding llvm::errs. 4250397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar llvm::raw_ostream &OS = llvm::errs(); 4260397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4270397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the target instance. 4280397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), getTargetOpts())); 4290397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!hasTarget()) 4300397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return false; 4310397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4320397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Inform the target of the language options. 4330397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 4340397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: We shouldn't need to do this, the target should be immutable once 4350397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // created. This complexity should be lifted elsewhere. 4360397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getTarget().setForcedLangOptions(getLangOpts()); 4370397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4380397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Validate/process some options. 4390397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getHeaderSearchOpts().Verbose) 4400397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "clang -cc1 version " CLANG_VERSION_STRING 4410397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " based upon " << PACKAGE_STRING 4420397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " hosted on " << llvm::sys::getHostTriple() << "\n"; 4430397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4440397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowTimers) 4450397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFrontendTimer(); 4460397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4470397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { 4480397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar const std::string &InFile = getFrontendOpts().Inputs[i].second; 4490397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4500397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // If we aren't using an AST file, setup the file and source managers and 4510397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // the preprocessor. 4520397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar bool IsAST = getFrontendOpts().Inputs[i].first == FrontendOptions::IK_AST; 4530397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!IsAST) { 4540397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!i) { 4550397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create a file manager object to provide access to and cache the 4560397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // filesystem. 4570397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFileManager(); 4580397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4590397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the source manager. 4600397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createSourceManager(); 4610397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } else { 4620397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Reset the ID tables if we are reusing the SourceManager. 4630397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getSourceManager().clearIDTables(); 4640397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 4650397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4660397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the preprocessor. 4670397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createPreprocessor(); 4680397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 4690397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4700397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (Act.BeginSourceFile(*this, InFile, IsAST)) { 4710397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.Execute(); 4720397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.EndSourceFile(); 4730397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 4740397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 4750397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4760397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getDiagnosticOpts().ShowCarets) 4770397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (unsigned NumDiagnostics = getDiagnostics().getNumDiagnostics()) 4780397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << NumDiagnostics << " diagnostic" 4790397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << (NumDiagnostics == 1 ? "" : "s") 4800397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " generated.\n"; 4810397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4820397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowStats) { 4830397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getFileManager().PrintStats(); 4840397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "\n"; 4850397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 4860397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4870397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Return the appropriate status when verifying diagnostics. 4880397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 4890397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: If we could make getNumErrors() do the right thing, we wouldn't need 4900397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // this. 4910397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getDiagnosticOpts().VerifyDiagnostics) 4920397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return !static_cast<VerifyDiagnosticsClient&>( 4930397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getDiagnosticClient()).HadErrors(); 4940397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4950397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return !getDiagnostics().getNumErrors(); 4960397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar} 4970397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 4980397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 499