CompilerInstance.cpp revision 36a16498ff911a218f26c7955376bbe99ddb16df
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" 11f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor#include "clang/Sema/Sema.h" 1212ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar#include "clang/AST/ASTConsumer.h" 135eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar#include "clang/AST/ASTContext.h" 1493ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor#include "clang/AST/Decl.h" 152a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "clang/Basic/Diagnostic.h" 1616b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar#include "clang/Basic/FileManager.h" 1716b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar#include "clang/Basic/SourceManager.h" 182a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar#include "clang/Basic/TargetInfo.h" 190397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar#include "clang/Basic/Version.h" 2022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/HeaderSearch.h" 2122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/Preprocessor.h" 2222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Lex/PTHManager.h" 234e85b8ae413fa00fa42aa3e625c2db3b1932f8d3David Blaikie#include "clang/Frontend/ChainedDiagnosticConsumer.h" 240397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar#include "clang/Frontend/FrontendAction.h" 2521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor#include "clang/Frontend/FrontendActions.h" 26c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar#include "clang/Frontend/FrontendDiagnostic.h" 279df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar#include "clang/Frontend/LogDiagnosticPrinter.h" 287800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek#include "clang/Frontend/SerializedDiagnosticPrinter.h" 290fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar#include "clang/Frontend/TextDiagnosticPrinter.h" 30621bc69624599da62abd9bc9e5edd8a63ac99fe6David Blaikie#include "clang/Frontend/VerifyDiagnosticConsumer.h" 3122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar#include "clang/Frontend/Utils.h" 326ab7cd853e9c15cf986a8a7c3db1f8d20e275409Sebastian Redl#include "clang/Serialization/ASTReader.h" 33c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar#include "clang/Sema/CodeCompleteConsumer.h" 3432bef4edba854303800b3b01cb49a282e5da4f69Michael J. Spencer#include "llvm/Support/FileSystem.h" 35ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar#include "llvm/Support/MemoryBuffer.h" 360fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar#include "llvm/Support/raw_ostream.h" 3795dd5583e3900443a1d7970d557d8c54aa320601Douglas Gregor#include "llvm/ADT/Statistic.h" 38f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam#include "llvm/Support/Timer.h" 3903013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Host.h" 4052f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor#include "llvm/Support/LockFileManager.h" 4103013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Path.h" 4203013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Program.h" 4303013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/Signals.h" 443a321e23f66128dbb986343927456ff6702af617Michael J. Spencer#include "llvm/Support/system_error.h" 450ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor#include "llvm/Support/CrashRecoveryContext.h" 461626601b00a1feccd6b7a3f54e2991f56b659192Dylan Noblesmith#include "llvm/Config/config.h" 472bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor 482a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbarusing namespace clang; 492a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 5042e9f8e4983d50f896ec716207817b9d96e7e79cDaniel DunbarCompilerInstance::CompilerInstance() 51f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor : Invocation(new CompilerInvocation()), ModuleManager(0) { 526228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar} 532a79e162a3fde25c1941151a67966830d873f2dbDaniel Dunbar 542a79e162a3fde25c1941151a67966830d873f2dbDaniel DunbarCompilerInstance::~CompilerInstance() { 55ac447fce02d119fb70f0aab885d836dea43e7f26Benjamin Kramer assert(OutputFiles.empty() && "Still output files in flight?"); 5642e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar} 5742e9f8e4983d50f896ec716207817b9d96e7e79cDaniel Dunbar 586228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbarvoid CompilerInstance::setInvocation(CompilerInvocation *Value) { 594f32786ac45210143654390177105eb749b614e9Ted Kremenek Invocation = Value; 606228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar} 616228ca00121669ec06a19df4fad87d5049c097cfDaniel Dunbar 62d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikievoid CompilerInstance::setDiagnostics(DiagnosticsEngine *Value) { 6328019772db70d4547be05a042eb950bc910f134fDouglas Gregor Diagnostics = Value; 648a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 658a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 668a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setTarget(TargetInfo *Value) { 674f32786ac45210143654390177105eb749b614e9Ted Kremenek Target = Value; 688a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 698a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 708a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setFileManager(FileManager *Value) { 714f32786ac45210143654390177105eb749b614e9Ted Kremenek FileMgr = Value; 728a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 738a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 74a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumivoid CompilerInstance::setSourceManager(SourceManager *Value) { 754f32786ac45210143654390177105eb749b614e9Ted Kremenek SourceMgr = Value; 768a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 778a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 784f32786ac45210143654390177105eb749b614e9Ted Kremenekvoid CompilerInstance::setPreprocessor(Preprocessor *Value) { PP = Value; } 798a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 804f32786ac45210143654390177105eb749b614e9Ted Kremenekvoid CompilerInstance::setASTContext(ASTContext *Value) { Context = Value; } 8112ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar 82f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregorvoid CompilerInstance::setSema(Sema *S) { 83f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor TheSema.reset(S); 84f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor} 85f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor 8612ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbarvoid CompilerInstance::setASTConsumer(ASTConsumer *Value) { 8712ce6943aae499225708ecf364c5a8b0a3269c87Daniel Dunbar Consumer.reset(Value); 888a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 898a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 908a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbarvoid CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { 918a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar CompletionConsumer.reset(Value); 929bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen getFrontendOpts().SkipFunctionBodies = Value != 0; 938a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 948a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 950fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Diagnostics 9602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetUpBuildDumpLog(DiagnosticOptions *DiagOpts, 977d0c4ccd65b4549283c55e4923602e234f3811c5Axel Naumann unsigned argc, const char* const *argv, 98d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 990fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar std::string ErrorInfo; 1006f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<raw_ostream> OS( 10102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor new llvm::raw_fd_ostream(DiagOpts->DumpBuildInformation.c_str(),ErrorInfo)); 1020fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!ErrorInfo.empty()) { 1033d67b1e25847319a5a271f9d5a8d607ef18d804aKovarththanan Rajaratnam Diags.Report(diag::err_fe_unable_to_open_logfile) 10402c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor << DiagOpts->DumpBuildInformation << ErrorInfo; 1050fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return; 1060fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar } 1070fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 108dd63b28107f21692b5065588f0e90b4534946f93Daniel Dunbar (*OS) << "clang -cc1 command line arguments: "; 1090fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar for (unsigned i = 0; i != argc; ++i) 1100fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << argv[i] << ' '; 1110fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << '\n'; 1120fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1130fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Chain in a diagnostic client which will log the diagnostics. 11478ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Logger = 11569247139f5ce3edf46c48344129792b3a05d090aKovarththanan Rajaratnam new TextDiagnosticPrinter(*OS.take(), DiagOpts, /*OwnsOutputStream=*/true); 1164e85b8ae413fa00fa42aa3e625c2db3b1932f8d3David Blaikie Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); 1170fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1180fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 11902c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetUpDiagnosticLog(DiagnosticOptions *DiagOpts, 120b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar const CodeGenOptions *CodeGenOpts, 121d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 1229df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar std::string ErrorInfo; 1239df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar bool OwnsStream = false; 1245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 12502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (DiagOpts->DiagnosticLogFile != "-") { 1269df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Create the output stream. 1279df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar llvm::raw_fd_ostream *FileOS( 12802c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor new llvm::raw_fd_ostream(DiagOpts->DiagnosticLogFile.c_str(), 129e01eceb54c9235a41675bfd9f32c50bd005fb8d0Daniel Dunbar ErrorInfo, llvm::raw_fd_ostream::F_Append)); 1309df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar if (!ErrorInfo.empty()) { 1319df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar Diags.Report(diag::warn_fe_cc_log_diagnostics_failure) 13202c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor << DiagOpts->DumpBuildInformation << ErrorInfo; 1339df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } else { 1349df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar FileOS->SetUnbuffered(); 1359df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar FileOS->SetUseAtomicWrites(true); 1369df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar OS = FileOS; 1379df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar OwnsStream = true; 1389df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } 1399df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } 1409df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar 1419df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Chain in the diagnostic client which will log the diagnostics. 142b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar LogDiagnosticPrinter *Logger = new LogDiagnosticPrinter(*OS, DiagOpts, 143b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar OwnsStream); 144b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar if (CodeGenOpts) 145b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags); 1464e85b8ae413fa00fa42aa3e625c2db3b1932f8d3David Blaikie Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); 1479df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar} 1489df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar 14902c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetupSerializedDiagnostics(DiagnosticOptions *DiagOpts, 1507800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek DiagnosticsEngine &Diags, 1517800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek StringRef OutputFile) { 1527800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek std::string ErrorInfo; 1536f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::raw_fd_ostream> OS; 1547800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek OS.reset(new llvm::raw_fd_ostream(OutputFile.str().c_str(), ErrorInfo, 1557800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek llvm::raw_fd_ostream::F_Binary)); 1567800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1577800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek if (!ErrorInfo.empty()) { 1587800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek Diags.Report(diag::warn_fe_serialized_diag_failure) 1597800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek << OutputFile << ErrorInfo; 1607800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek return; 1617800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek } 1627800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1637800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek DiagnosticConsumer *SerializedConsumer = 1642a76410c0a23a6feb98d0f13e9c8bfa0638d3adfTed Kremenek clang::serialized_diags::create(OS.take(), DiagOpts); 1657800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1667800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1677800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), 1687800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek SerializedConsumer)); 1697800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek} 1707800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 171e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregorvoid CompilerInstance::createDiagnostics(int Argc, const char* const *Argv, 17278ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Client, 173aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldOwnClient, 174aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldCloneClient) { 17502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Diagnostics = createDiagnostics(&getDiagnosticOpts(), Argc, Argv, Client, 176aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor ShouldOwnClient, ShouldCloneClient, 177aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor &getCodeGenOpts()); 1780fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1790fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 180c93dc7889644293e318e19d82830ea2acc45b678Dylan NoblesmithIntrusiveRefCntPtr<DiagnosticsEngine> 18102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas GregorCompilerInstance::createDiagnostics(DiagnosticOptions *Opts, 182e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregor int Argc, const char* const *Argv, 18378ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Client, 18478243658c533168d51fd076fba328437932ba6f1Douglas Gregor bool ShouldOwnClient, 185aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldCloneClient, 186b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar const CodeGenOptions *CodeGenOpts) { 187c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 188c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticsEngine> 18902c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Diags(new DiagnosticsEngine(DiagID, Opts)); 190221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar 1910fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Create the diagnostic client for reporting errors or for 1920fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // implementing -verify. 193aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor if (Client) { 194aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor if (ShouldCloneClient) 195aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor Diags->setClient(Client->clone(*Diags), ShouldOwnClient); 196aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor else 197aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor Diags->setClient(Client, ShouldOwnClient); 198aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor } else 199e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregor Diags->setClient(new TextDiagnosticPrinter(llvm::errs(), Opts)); 200f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar 201f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar // Chain in -verify checker, if requested. 20202c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (Opts->VerifyDiagnostics) 203621bc69624599da62abd9bc9e5edd8a63ac99fe6David Blaikie Diags->setClient(new VerifyDiagnosticConsumer(*Diags)); 2040fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 2059df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Chain in -diagnostic-log-file dumper, if requested. 20602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DiagnosticLogFile.empty()) 207b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags); 208a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 20902c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DumpBuildInformation.empty()) 2103d67b1e25847319a5a271f9d5a8d607ef18d804aKovarththanan Rajaratnam SetUpBuildDumpLog(Opts, Argc, Argv, *Diags); 2110fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 21202c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DiagnosticSerializationFile.empty()) 2137800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek SetupSerializedDiagnostics(Opts, *Diags, 21402c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Opts->DiagnosticSerializationFile); 2157800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 2160fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Configure our handling of diagnostics. 21702c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor ProcessWarningOptions(*Diags, *Opts); 2180fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 21928019772db70d4547be05a042eb950bc910f134fDouglas Gregor return Diags; 2200fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 2210fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 2220fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// File Manager 2230fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 22416b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createFileManager() { 2254f32786ac45210143654390177105eb749b614e9Ted Kremenek FileMgr = new FileManager(getFileSystemOpts()); 22616b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 22716b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 2280fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Source Manager 2290fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 23039b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattnervoid CompilerInstance::createSourceManager(FileManager &FileMgr) { 2314f32786ac45210143654390177105eb749b614e9Ted Kremenek SourceMgr = new SourceManager(getDiagnostics(), FileMgr); 23216b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 23322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 2340fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Preprocessor 2350fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 23622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbarvoid CompilerInstance::createPreprocessor() { 2376aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor const PreprocessorOptions &PPOpts = getPreprocessorOpts(); 238a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 23922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create a PTH manager if we are using some form of a token cache. 24022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHManager *PTHMgr = 0; 241049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar if (!PPOpts.TokenCache.empty()) 2426aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor PTHMgr = PTHManager::Create(PPOpts.TokenCache, getDiagnostics()); 243a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 24422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create the Preprocessor. 245c042edd54face617a3b9d0b4b9d5a3ff229d0f48Douglas Gregor HeaderSearch *HeaderInfo = new HeaderSearch(&getHeaderSearchOpts(), 246c042edd54face617a3b9d0b4b9d5a3ff229d0f48Douglas Gregor getFileManager(), 24751f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor getDiagnostics(), 248dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor getLangOpts(), 249dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor &getTarget()); 25036a16498ff911a218f26c7955376bbe99ddb16dfDouglas Gregor PP = new Preprocessor(&getPreprocessorOpts(), 25136a16498ff911a218f26c7955376bbe99ddb16dfDouglas Gregor getDiagnostics(), getLangOpts(), &getTarget(), 2526aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor getSourceManager(), *HeaderInfo, *this, PTHMgr, 2536aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor /*OwnsHeaderSearch=*/true); 254a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 25522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Note that this is different then passing PTHMgr to Preprocessor's ctor. 25622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // That argument is used as the IdentifierInfoLookup argument to 25722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // IdentifierTable's ctor. 25822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (PTHMgr) { 2596aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor PTHMgr->setPreprocessor(&*PP); 26022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP->setPTHManager(PTHMgr); 26122dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar } 262a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 26394dc8f640ebea52241412512ed48601626edbc58Douglas Gregor if (PPOpts.DetailedRecord) 264c6c54521f95760a5eaf29b668d4bf41fe2af49d7Argyrios Kyrtzidis PP->createPreprocessingRecord(PPOpts.DetailedRecordConditionalDirectives); 265a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 2666aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor InitializePreprocessor(*PP, PPOpts, getHeaderSearchOpts(), getFrontendOpts()); 267a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 2686e975c4517958bcc11c834336d340797356058dbDouglas Gregor // Set up the module path, including the hash for the 2696e975c4517958bcc11c834336d340797356058dbDouglas Gregor // module-creation options. 270f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> SpecificModuleCache( 2716e975c4517958bcc11c834336d340797356058dbDouglas Gregor getHeaderSearchOpts().ModuleCachePath); 2726e975c4517958bcc11c834336d340797356058dbDouglas Gregor if (!getHeaderSearchOpts().DisableModuleHash) 273a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi llvm::sys::path::append(SpecificModuleCache, 2746e975c4517958bcc11c834336d340797356058dbDouglas Gregor getInvocation().getModuleHash()); 2755e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache); 276a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 27722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Handle generating dependencies, if requested. 2786aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor const DependencyOutputOptions &DepOpts = getDependencyOutputOpts(); 27922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (!DepOpts.OutputFile.empty()) 28022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar AttachDependencyFileGen(*PP, DepOpts); 281773303a505c23d73da624f1e6abcf41a393dad2bDouglas Gregor if (!DepOpts.DOTOutputFile.empty()) 282773303a505c23d73da624f1e6abcf41a393dad2bDouglas Gregor AttachDependencyGraphGen(*PP, DepOpts.DOTOutputFile, 283c69a181049ab52da29f8f69316a34c90c3ea3b8eDouglas Gregor getHeaderSearchOpts().Sysroot); 284a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 285c69a181049ab52da29f8f69316a34c90c3ea3b8eDouglas Gregor 286eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar // Handle generating header include information, if requested. 287eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar if (DepOpts.ShowHeaderIncludes) 288eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar AttachHeaderIncludeGen(*PP); 289b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar if (!DepOpts.HeaderIncludeOutputFile.empty()) { 2905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef OutputPath = DepOpts.HeaderIncludeOutputFile; 291b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar if (OutputPath == "-") 292b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar OutputPath = ""; 293da60885cb4ee85d167cf704061f10b758067cf5aDaniel Dunbar AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/true, OutputPath, 294da60885cb4ee85d167cf704061f10b758067cf5aDaniel Dunbar /*ShowDepth=*/false); 295b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar } 29622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 2975eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2985eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar// ASTContext 2995eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 3005eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbarvoid CompilerInstance::createASTContext() { 3015eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Preprocessor &PP = getPreprocessor(); 3024f32786ac45210143654390177105eb749b614e9Ted Kremenek Context = new ASTContext(getLangOpts(), PP.getSourceManager(), 303bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor &getTarget(), PP.getIdentifierTable(), 3044f32786ac45210143654390177105eb749b614e9Ted Kremenek PP.getSelectorTable(), PP.getBuiltinInfo(), 3054f32786ac45210143654390177105eb749b614e9Ted Kremenek /*size_reserve=*/ 0); 3065eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar} 3070f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3080f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar// ExternalASTSource 3090f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3105f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid CompilerInstance::createPCHExternalASTSource(StringRef Path, 311ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl bool DisablePCHValidation, 3128ef6c8cb6c5627240e2339fd7062c9873f821d7eDouglas Gregor bool DisableStatCache, 313bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis bool AllowPCHWithCompilerErrors, 314ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl void *DeserializationListener){ 3156f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ExternalASTSource> Source; 3161d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; 3170f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, 318a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi DisablePCHValidation, 3198ef6c8cb6c5627240e2339fd7062c9873f821d7eDouglas Gregor DisableStatCache, 320bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis AllowPCHWithCompilerErrors, 321ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl getPreprocessor(), getASTContext(), 3221d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl DeserializationListener, 3231d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl Preamble)); 324f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor ModuleManager = static_cast<ASTReader*>(Source.get()); 3250f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getASTContext().setExternalSource(Source); 3260f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 3270f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3280f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarExternalASTSource * 3295f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createPCHExternalASTSource(StringRef Path, 3300f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar const std::string &Sysroot, 331fae3b2f4743dad616623c4df2fdb0f5128bd36d9Douglas Gregor bool DisablePCHValidation, 3328ef6c8cb6c5627240e2339fd7062c9873f821d7eDouglas Gregor bool DisableStatCache, 333bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis bool AllowPCHWithCompilerErrors, 3340f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Preprocessor &PP, 335ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl ASTContext &Context, 3361d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl void *DeserializationListener, 3371d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl bool Preamble) { 3386f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ASTReader> Reader; 339f8a1e51c48761ee1d7803c3fa35ac94f42ebb55eDouglas Gregor Reader.reset(new ASTReader(PP, Context, 340832d620b4ae0fc5fe28561b885b4cfc65cf5c9abDouglas Gregor Sysroot.empty() ? "" : Sysroot.c_str(), 341bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis DisablePCHValidation, DisableStatCache, 342bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis AllowPCHWithCompilerErrors)); 3430f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 344ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl Reader->setDeserializationListener( 345571db7f0cb31789737be92fce1c1b738e6dbe795Sebastian Redl static_cast<ASTDeserializationListener *>(DeserializationListener)); 346a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi switch (Reader->ReadAST(Path, 347a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi Preamble ? serialization::MK_Preamble 34838295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor : serialization::MK_PCH, 34938295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor ASTReader::ARR_None)) { 350c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl case ASTReader::Success: 3510f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Set the predefines buffer as suggested by the PCH reader. Typically, the 3520f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // predefines buffer will be empty. 3530f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar PP.setPredefines(Reader->getSuggestedPredefines()); 3540f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return Reader.take(); 3550f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 356c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl case ASTReader::Failure: 3570f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Unrecoverable failure: don't even try to process the input file. 3580f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 3590f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3604825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::OutOfDate: 3614825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::VersionMismatch: 3624825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::ConfigurationMismatch: 3634825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::HadErrors: 3640f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // No suitable PCH file could be found. Return an error. 3650f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 3660f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar } 3670f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3680f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return 0; 3690f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 370c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 371c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar// Code Completion 372c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 373a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumistatic bool EnableCodeCompletion(Preprocessor &PP, 3741abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor const std::string &Filename, 3751abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor unsigned Line, 3761abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor unsigned Column) { 3771abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // Tell the source manager to chop off the given file at a specific 3781abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // line and column. 37939b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner const FileEntry *Entry = PP.getFileManager().getFile(Filename); 3801abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!Entry) { 3811abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) 3821abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor << Filename; 3831abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return true; 3841abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } 3851abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor 3861abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // Truncate the named file at the given line/column. 3871abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor PP.SetCodeCompletionPoint(Entry, Line, Column); 3881abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return false; 3891abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor} 3901abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor 391c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbarvoid CompilerInstance::createCodeCompletionConsumer() { 392c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; 3931abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!CompletionConsumer) { 3949bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer( 3951abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor createCodeCompletionConsumer(getPreprocessor(), 3961abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor Loc.FileName, Loc.Line, Loc.Column, 397d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko getFrontendOpts().CodeCompleteOpts, 3981abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor llvm::outs())); 3991abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!CompletionConsumer) 4001abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return; 4011abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName, 4021abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor Loc.Line, Loc.Column)) { 4039bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer(0); 404c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor return; 4051abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } 4062b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor 4072b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor if (CompletionConsumer->isOutputBinary() && 4082b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor llvm::sys::Program::ChangeStdoutToBinary()) { 4092b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); 4109bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer(0); 4112b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor } 412c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 413c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 414f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnamvoid CompilerInstance::createFrontendTimer() { 415f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); 416f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam} 417f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam 418c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCodeCompleteConsumer * 419c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, 420c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const std::string &Filename, 421c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Line, 422c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Column, 423d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko const CodeCompleteOptions &Opts, 4245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &OS) { 4251abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (EnableCodeCompletion(PP, Filename, Line, Column)) 426c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return 0; 427c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 428c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Set up the creation routine for code-completion. 429d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko return new PrintingCodeCompleteConsumer(Opts, OS); 430c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 431a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 432467dc88512b4ba4bb16e274ea3771dc1415d31daDouglas Gregorvoid CompilerInstance::createSema(TranslationUnitKind TUKind, 433f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor CodeCompleteConsumer *CompletionConsumer) { 434f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor TheSema.reset(new Sema(getPreprocessor(), getASTContext(), getASTConsumer(), 435467dc88512b4ba4bb16e274ea3771dc1415d31daDouglas Gregor TUKind, CompletionConsumer)); 436f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor} 437f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor 438a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar// Output Files 439a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 440dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidisvoid CompilerInstance::addOutputFile(const OutputFile &OutFile) { 441dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis assert(OutFile.OS && "Attempt to add empty stream to output list!"); 442dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis OutputFiles.push_back(OutFile); 443a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 444a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 445e51dd7be67808d52c80c09b832d875e9655ce6e0Kovarththanan Rajaratnamvoid CompilerInstance::clearOutputFiles(bool EraseFiles) { 446dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis for (std::list<OutputFile>::iterator 447a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { 448dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis delete it->OS; 449dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis if (!it->TempFilename.empty()) { 450af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson if (EraseFiles) { 451af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson bool existed; 452af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson llvm::sys::fs::remove(it->TempFilename, existed); 453af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson } else { 454f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> NewOutFile(it->Filename); 455af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson 456389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis // If '-working-directory' was passed, the output filename should be 457389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis // relative to that. 4582e2468e2d2ccbb9a38fe3b6b754009af7e5d39a9Anders Carlsson FileMgr->FixupRelativePath(NewOutFile); 459af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson if (llvm::error_code ec = llvm::sys::fs::rename(it->TempFilename, 460af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson NewOutFile.str())) { 461832a2aac5766dd78f113e0f03a0c62fd0eacbc97Manuel Klimek getDiagnostics().Report(diag::err_unable_to_rename_temp) 462af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson << it->TempFilename << it->Filename << ec.message(); 463af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson 464af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson bool existed; 465af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson llvm::sys::fs::remove(it->TempFilename, existed); 466dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 467dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 468dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } else if (!it->Filename.empty() && EraseFiles) 469dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis llvm::sys::Path(it->Filename).eraseFromDisk(); 470a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 471a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar } 472a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.clear(); 473a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 474a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 475f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 476f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createDefaultOutputFile(bool Binary, 4775f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 4785f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Extension) { 479f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return createOutputFile(getFrontendOpts().OutputFile, Binary, 480e21dd284d8209a89137a03a0d63f2bd57be9e660Daniel Dunbar /*RemoveFileOnSignal=*/true, InFile, Extension, 481e21dd284d8209a89137a03a0d63f2bd57be9e660Daniel Dunbar /*UseTemporary=*/true); 482f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 483f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 484f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 4855f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createOutputFile(StringRef OutputPath, 486ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar bool Binary, bool RemoveFileOnSignal, 4875f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 4887e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis StringRef Extension, 48912f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool UseTemporary, 49012f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool CreateMissingDirectories) { 491dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string Error, OutputPathName, TempPathName; 492f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, 493ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar RemoveFileOnSignal, 494f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension, 4957e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis UseTemporary, 49612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar CreateMissingDirectories, 497dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis &OutputPathName, 498dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis &TempPathName); 499f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OS) { 500360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar getDiagnostics().Report(diag::err_fe_unable_to_open_output) 501360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar << OutputPath << Error; 502360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar return 0; 503f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 504f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 505f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // Add the output file -- but don't try to remove "-", since this means we are 506f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // using stdin. 507dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis addOutputFile(OutputFile((OutputPathName != "-") ? OutputPathName : "", 508dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis TempPathName, OS)); 509f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 510f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return OS; 511f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 512f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 513f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 5145f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createOutputFile(StringRef OutputPath, 515f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string &Error, 516f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 517ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar bool RemoveFileOnSignal, 5185f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 5195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Extension, 5207e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis bool UseTemporary, 52112f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool CreateMissingDirectories, 522dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string *ResultPathName, 523dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string *TempPathName) { 52412f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar assert((!CreateMissingDirectories || UseTemporary) && 52512f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar "CreateMissingDirectories is only allowed when using temporary files"); 52612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar 527dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string OutFile, TempFile; 528f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OutputPath.empty()) { 529f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = OutputPath; 530f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (InFile == "-") { 531f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 532f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (!Extension.empty()) { 533f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::sys::Path Path(InFile); 534f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.eraseSuffix(); 535f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.appendSuffix(Extension); 536f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = Path.str(); 537f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else { 538f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 539f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 5407e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis 5416f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::raw_fd_ostream> OS; 5427e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis std::string OSFile; 5437e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis 5447e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (UseTemporary && OutFile != "-") { 54512f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // Only create the temporary if the parent directory exists (or create 54612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // missing directories is true) and we can actually write to OutPath, 54712f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // otherwise we want to fail early. 54812f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar SmallString<256> AbsPath(OutputPath); 54912f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar llvm::sys::fs::make_absolute(AbsPath); 55012f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar llvm::sys::Path OutPath(AbsPath); 55112f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool ParentExists = false; 55212f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar if (llvm::sys::fs::exists(llvm::sys::path::parent_path(AbsPath.str()), 55312f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ParentExists)) 55412f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ParentExists = false; 55532bef4edba854303800b3b01cb49a282e5da4f69Michael J. Spencer bool Exists; 55612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar if ((CreateMissingDirectories || ParentExists) && 55712f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ((llvm::sys::fs::exists(AbsPath.str(), Exists) || !Exists) || 55812f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar (OutPath.isRegularFile() && OutPath.canWrite()))) { 559dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis // Create a temporary file. 560f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> TempPath; 5617e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis TempPath = OutFile; 5627e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis TempPath += "-%%%%%%%%"; 5637e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis int fd; 5647e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (llvm::sys::fs::unique_file(TempPath.str(), fd, TempPath, 5657d9ae25d93554bdb238da83f9bb3e0b05475c16cEric Christopher /*makeAbsolute=*/false, 0664) 5667d9ae25d93554bdb238da83f9bb3e0b05475c16cEric Christopher == llvm::errc::success) { 5677e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true)); 5687e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OSFile = TempFile = TempPath.str(); 5697e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis } 570dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 571dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 572dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis 5737e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (!OS) { 5747e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OSFile = OutFile; 5757e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OS.reset( 5767e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis new llvm::raw_fd_ostream(OSFile.c_str(), Error, 5777e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis (Binary ? llvm::raw_fd_ostream::F_Binary : 0))); 5787e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (!Error.empty()) 5797e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis return 0; 5807e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis } 581f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 582dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis // Make sure the out stream file gets removed if we crash. 583ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar if (RemoveFileOnSignal) 584ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar llvm::sys::RemoveFileOnSignal(llvm::sys::Path(OSFile)); 585dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis 586f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (ResultPathName) 587f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar *ResultPathName = OutFile; 588dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis if (TempPathName) 589dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis *TempPathName = TempFile; 590f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 591fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar return OS.take(); 592f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 593ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 594ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar// Initialization Utilities 595ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 596a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregorbool CompilerInstance::InitializeSourceManager(StringRef InputFile, 597a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SrcMgr::CharacteristicKind Kind){ 598a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor return InitializeSourceManager(InputFile, Kind, getDiagnostics(), 599a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor getFileManager(), getSourceManager(), 600a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor getFrontendOpts()); 601ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 602ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 6035f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnerbool CompilerInstance::InitializeSourceManager(StringRef InputFile, 604a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SrcMgr::CharacteristicKind Kind, 605d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags, 606ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar FileManager &FileMgr, 607ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceManager &SourceMgr, 608ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FrontendOptions &Opts) { 609507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis // Figure out where to get and map in the main file. 610507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis if (InputFile != "-") { 61139b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner const FileEntry *File = FileMgr.getFile(InputFile); 612694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman if (!File) { 613ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading) << InputFile; 614ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 615ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 616a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SourceMgr.createMainFileID(File, Kind); 617ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else { 6186f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::MemoryBuffer> SB; 6194eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getSTDIN(SB)) { 6203a321e23f66128dbb986343927456ff6702af617Michael J. Spencer // FIXME: Give ec.message() in this diag. 621ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading_stdin); 622ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 623ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 62490d9081cacb4b0163f2c7527f666d6515257067cDan Gohman const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(), 62539b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner SB->getBufferSize(), 0); 626a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SourceMgr.createMainFileID(File, Kind); 6274eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer SourceMgr.overrideFileContents(File, SB.take()); 628ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 629ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 630694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman assert(!SourceMgr.getMainFileID().isInvalid() && 631694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman "Couldn't establish MainFileID!"); 632ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return true; 633ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 6340397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6350397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar// High-Level Operations 6360397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6370397af277e3bba16da1fd125ddba07415686b429Daniel Dunbarbool CompilerInstance::ExecuteAction(FrontendAction &Act) { 6380397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); 6390397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); 6400397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); 6410397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6420397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: Take this as an argument, once all the APIs we used have moved to 6430397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // taking it as an input instead of hard-coding llvm::errs. 6445f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &OS = llvm::errs(); 6450397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6460397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the target instance. 6470397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), getTargetOpts())); 6480397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!hasTarget()) 6490397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return false; 6500397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6510397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Inform the target of the language options. 6520397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 6530397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: We shouldn't need to do this, the target should be immutable once 6540397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // created. This complexity should be lifted elsewhere. 6550397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getTarget().setForcedLangOptions(getLangOpts()); 6560397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 65793a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian // rewriter project will change target built-in bool type from its default. 65893a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) 65993a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian getTarget().noSignedCharForObjCBool(); 66093a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian 6610397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Validate/process some options. 6620397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getHeaderSearchOpts().Verbose) 6630397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "clang -cc1 version " CLANG_VERSION_STRING 6640397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " based upon " << PACKAGE_STRING 6655d8b9548420e67f1bf45b7bbc1cf9fb86e9e4505Sebastian Pop << " default target " << llvm::sys::getDefaultTargetTriple() << "\n"; 6660397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6670397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowTimers) 6680397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFrontendTimer(); 6690397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 67095dd5583e3900443a1d7970d557d8c54aa320601Douglas Gregor if (getFrontendOpts().ShowStats) 67195dd5583e3900443a1d7970d557d8c54aa320601Douglas Gregor llvm::EnableStatistics(); 672a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 6730397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { 6742056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar // Reset the ID tables if we are reusing the SourceManager. 6752056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar if (hasSourceManager()) 6762056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar getSourceManager().clearIDTables(); 6770397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6781f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor if (Act.BeginSourceFile(*this, getFrontendOpts().Inputs[i])) { 6790397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.Execute(); 6800397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.EndSourceFile(); 6810397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 6820397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 6830397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 68429f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis // Notify the diagnostic client that all files were processed. 68529f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis getDiagnostics().getClient()->finish(); 68629f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis 68753eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (getDiagnosticOpts().ShowCarets) { 688f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis // We can have multiple diagnostics sharing one diagnostic client. 689f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis // Get the total number of warnings/errors from the client. 690f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumWarnings = getDiagnostics().getClient()->getNumWarnings(); 691f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumErrors = getDiagnostics().getClient()->getNumErrors(); 692a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 69353eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings) 69453eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << NumWarnings << " warning" << (NumWarnings == 1 ? "" : "s"); 69553eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings && NumErrors) 69653eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << " and "; 69753eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumErrors) 69853eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s"); 69953eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings || NumErrors) 70053eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << " generated.\n"; 70153eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner } 7020397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 7032056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar if (getFrontendOpts().ShowStats && hasFileManager()) { 7040397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getFileManager().PrintStats(); 7050397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "\n"; 7060397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 7070397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 708ab41b97c3cddf1bcdd8bf82ab09ed3ceafcd05b1Argyrios Kyrtzidis return !getDiagnostics().getClient()->getNumErrors(); 7090397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar} 7100397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 71121cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor/// \brief Determine the appropriate source input kind based on language 71221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor/// options. 71321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregorstatic InputKind getSourceInputKindFromOptions(const LangOptions &LangOpts) { 71421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.OpenCL) 71521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return IK_OpenCL; 71621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.CUDA) 71721cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return IK_CUDA; 71821cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.ObjC1) 71921cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return LangOpts.CPlusPlus? IK_ObjCXX : IK_ObjC; 72021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return LangOpts.CPlusPlus? IK_CXX : IK_C; 72121cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor} 72221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor 7230ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregornamespace { 724f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor struct CompileModuleMapData { 725f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor CompilerInstance &Instance; 726f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor GenerateModuleAction &CreateModuleAction; 727f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor }; 728f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor} 729f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 730f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// \brief Helper function that executes the module-generating action under 731f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// a crash recovery context. 732f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregorstatic void doCompileMapModule(void *UserData) { 733f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor CompileModuleMapData &Data 734f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor = *reinterpret_cast<CompileModuleMapData *>(UserData); 735f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor Data.Instance.ExecuteAction(Data.CreateModuleAction); 736f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor} 737f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 738f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// \brief Compile a module file for the given module, using the options 739f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// provided by the importing compiler instance. 74021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregorstatic void compileModule(CompilerInstance &ImportingInstance, 7411a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor Module *Module, 742933e7a61da12400d8971890719cb03d68c1b02ebDouglas Gregor StringRef ModuleFileName) { 74352f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor llvm::LockFileManager Locked(ModuleFileName); 7442bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor switch (Locked) { 74552f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Error: 7462bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor return; 747a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 74852f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Owned: 7492bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // We're responsible for building the module ourselves. Do so below. 7502bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor break; 751a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 75252f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Shared: 7532bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // Someone else is responsible for building the module. Wait for them to 7542bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // finish. 7552bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor Locked.waitForUnlock(); 7562bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor break; 7572bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor } 758a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 759f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor ModuleMap &ModMap 760f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor = ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap(); 761f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 76221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a compiler invocation for creating this module. 763c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<CompilerInvocation> Invocation 76421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor (new CompilerInvocation(ImportingInstance.getInvocation())); 765a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 76618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts(); 76718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 768b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // For any options that aren't intended to affect how a module is built, 769b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // reset them to their default values. 770d3b74d9ca4f239a7a90ad193378c494306c57352Ted Kremenek Invocation->getLangOpts()->resetNonModularOptions(); 77118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.resetNonModularOptions(); 772a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 773b86b8dc7ef89405205f94635c1073cdb1a7093ebDouglas Gregor // Note the name of the module we're building. 774933e7a61da12400d8971890719cb03d68c1b02ebDouglas Gregor Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName(); 775b86b8dc7ef89405205f94635c1073cdb1a7093ebDouglas Gregor 776a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi // Note that this module is part of the module build path, so that we 777b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // can detect cycles in the module graph. 77818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.ModuleBuildPath.push_back(Module->getTopLevelModuleName()); 779f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 78018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // If there is a module map file, build the module using the module map. 781b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // Set up the inputs/outputs so that we build the module from its umbrella 782b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // header. 78321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOptions &FrontendOpts = Invocation->getFrontendOpts(); 7846e975c4517958bcc11c834336d340797356058dbDouglas Gregor FrontendOpts.OutputFile = ModuleFileName.str(); 78521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOpts.DisableFree = false; 78621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOpts.Inputs.clear(); 78718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts()); 788a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 78918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Get or create the module map that we'll use to build this module. 790f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> TempModuleMapFileName; 79118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (const FileEntry *ModuleMapFile 79218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor = ModMap.getContainingModuleMapFile(Module)) { 79318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Use the module map where this module resides. 7941f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor FrontendOpts.Inputs.push_back(FrontendInputFile(ModuleMapFile->getName(), 7951f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor IK)); 79618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor } else { 79718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Create a temporary module map file. 79818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName = Module->Name; 79918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName += "-%%%%%%%%.map"; 80018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor int FD; 80118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (llvm::sys::fs::unique_file(TempModuleMapFileName.str(), FD, 80218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName, 8031e821e9eba7c48f375c7cb5c9e19c489e17ec58aDouglas Gregor /*makeAbsolute=*/true) 804e912029b914f263ec22cba6f1fb41ebebcdd844fDouglas Gregor != llvm::errc::success) { 805f64114b2aa611a66fc97e6bd8f35b0b039a4500aDouglas Gregor ImportingInstance.getDiagnostics().Report(diag::err_module_map_temp_file) 806f64114b2aa611a66fc97e6bd8f35b0b039a4500aDouglas Gregor << TempModuleMapFileName; 80718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor return; 808e912029b914f263ec22cba6f1fb41ebebcdd844fDouglas Gregor } 80918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Print the module map to this file. 81018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor llvm::raw_fd_ostream OS(FD, /*shouldClose=*/true); 81118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Module->print(OS); 81218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor FrontendOpts.Inputs.push_back( 8131f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor FrontendInputFile(TempModuleMapFileName.str().str(), IK)); 81418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor } 815a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 81618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Don't free the remapped file buffers; they are owned by our caller. 81718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.RetainRemappedFileBuffers = true; 81818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 81918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Invocation->getDiagnosticOpts().VerifyDiagnostics = 0; 82076d991ec6c5cd247ee18fe65c35d43c2d47cf094Douglas Gregor assert(ImportingInstance.getInvocation().getModuleHash() == 82118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Invocation->getModuleHash() && "Module hash mismatch!"); 82218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 82321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a compiler instance that will be used to actually create the 82421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // module. 82521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor CompilerInstance Instance; 82621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor Instance.setInvocation(&*Invocation); 827a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi Instance.createDiagnostics(/*argc=*/0, /*argv=*/0, 82878243658c533168d51fd076fba328437932ba6f1Douglas Gregor &ImportingInstance.getDiagnosticClient(), 829aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor /*ShouldOwnClient=*/true, 830aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor /*ShouldCloneClient=*/true); 83118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 83221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a module-generating action. 83318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor GenerateModuleAction CreateModuleAction; 83418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 8350ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor // Execute the action to actually build the module in-place. Use a separate 8360ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor // thread so that we get a stack large enough. 8370ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor const unsigned ThreadStackSize = 8 << 20; 8380ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor llvm::CrashRecoveryContext CRC; 83918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor CompileModuleMapData Data = { Instance, CreateModuleAction }; 84018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor CRC.RunSafelyOnThread(&doCompileMapModule, &Data, ThreadStackSize); 84118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 84218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Delete the temporary module map file. 84318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // FIXME: Even though we're executing under crash protection, it would still 84418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // be nice to do this with RemoveFileOnSignal when we can. However, that 84518ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // doesn't make sense for all clients, so clean this up manually. 846a2e94892e273423e2f772f989921cda6442a66c4Benjamin Kramer Instance.clearOutputFiles(/*EraseFiles=*/true); 84718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (!TempModuleMapFileName.empty()) 84818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor llvm::sys::Path(TempModuleMapFileName).eraseFromDisk(); 849a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi} 85021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor 8511a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas GregorModule *CompilerInstance::loadModule(SourceLocation ImportLoc, 8525e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor ModuleIdPath Path, 85393ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor Module::NameVisibilityKind Visibility, 85493ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor bool IsInclusionDirective) { 855b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // If we've already handled this import, just return the cached result. 856b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // This one-element cache is important to eliminate redundant diagnostics 857b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // when both the preprocessor and parser see the same import declaration. 8585e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor if (!ImportLoc.isInvalid() && LastModuleImportLoc == ImportLoc) { 8595e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor // Make the named module visible. 8605e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor if (LastModuleImportResult) 8615e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility); 862392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return LastModuleImportResult; 8635e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor } 864b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor 8656aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor // Determine what file we're searching from. 8663d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor StringRef ModuleName = Path[0].first->getName(); 8673d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor SourceLocation ModuleNameLoc = Path[0].second; 868a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 8691a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor clang::Module *Module = 0; 8703d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 87149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If we don't already have information on this module, load the module now. 8721a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor llvm::DenseMap<const IdentifierInfo *, clang::Module *>::iterator Known 873392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor = KnownModules.find(Path[0].first); 8745e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor if (Known != KnownModules.end()) { 8755e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // Retrieve the cached top-level module. 8765e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Module = Known->second; 8775e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor } else if (ModuleName == getLangOpts().CurrentModule) { 8785e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // This is the module we're building. 8795e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Module = PP->getHeaderSearchInfo().getModuleMap().findModule(ModuleName); 8805e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; 8815e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor } else { 88249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Search for a module with the given name. 883e434ec71fccfe078906403affd641f709702d598Douglas Gregor Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); 88449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor std::string ModuleFileName; 885e434ec71fccfe078906403affd641f709702d598Douglas Gregor if (Module) 886e434ec71fccfe078906403affd641f709702d598Douglas Gregor ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(Module); 887e434ec71fccfe078906403affd641f709702d598Douglas Gregor else 888e434ec71fccfe078906403affd641f709702d598Douglas Gregor ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(ModuleName); 889e434ec71fccfe078906403affd641f709702d598Douglas Gregor 890e434ec71fccfe078906403affd641f709702d598Douglas Gregor if (ModuleFileName.empty()) { 891e434ec71fccfe078906403affd641f709702d598Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_found) 892e434ec71fccfe078906403affd641f709702d598Douglas Gregor << ModuleName 893e434ec71fccfe078906403affd641f709702d598Douglas Gregor << SourceRange(ImportLoc, ModuleNameLoc); 894e434ec71fccfe078906403affd641f709702d598Douglas Gregor LastModuleImportLoc = ImportLoc; 895e434ec71fccfe078906403affd641f709702d598Douglas Gregor LastModuleImportResult = 0; 896e434ec71fccfe078906403affd641f709702d598Douglas Gregor return 0; 897e434ec71fccfe078906403affd641f709702d598Douglas Gregor } 898e434ec71fccfe078906403affd641f709702d598Douglas Gregor 899e434ec71fccfe078906403affd641f709702d598Douglas Gregor const FileEntry *ModuleFile 900e434ec71fccfe078906403affd641f709702d598Douglas Gregor = getFileManager().getFile(ModuleFileName, /*OpenFile=*/false, 901e434ec71fccfe078906403affd641f709702d598Douglas Gregor /*CacheFailure=*/false); 90249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor bool BuildingModule = false; 90349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleFile && Module) { 90449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // The module is not cached, but we have a module map from which we can 90549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // build the module. 90649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 90749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Check whether there is a cycle in the module graph. 90849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor SmallVectorImpl<std::string> &ModuleBuildPath 90949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor = getPreprocessorOpts().ModuleBuildPath; 91049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor SmallVectorImpl<std::string>::iterator Pos 91149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor = std::find(ModuleBuildPath.begin(), ModuleBuildPath.end(), ModuleName); 91249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (Pos != ModuleBuildPath.end()) { 913f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> CyclePath; 91449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor for (; Pos != ModuleBuildPath.end(); ++Pos) { 91549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += *Pos; 91649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += " -> "; 91749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 91849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += ModuleName; 91949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 92049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::err_module_cycle) 92149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName << CyclePath; 92249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 9234ebd45f4279d84416568ada6adf56044bdf391b7Douglas Gregor } 924a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 92549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::warn_module_build) 92649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName; 92749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BuildingModule = true; 92849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor compileModule(*this, Module, ModuleFileName); 92949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleFile = FileMgr->getFile(ModuleFileName); 9304ebd45f4279d84416568ada6adf56044bdf391b7Douglas Gregor } 931a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 93249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleFile) { 93349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, 93449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BuildingModule? diag::err_module_not_built 93549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor : diag::err_module_not_found) 93649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName 93749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(ImportLoc, ModuleNameLoc); 93849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 93949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 940a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 94149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If we don't already have an ASTReader, create one now. 94249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleManager) { 94349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!hasASTContext()) 94449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor createASTContext(); 94549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 94649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor std::string Sysroot = getHeaderSearchOpts().Sysroot; 94749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor const PreprocessorOptions &PPOpts = getPreprocessorOpts(); 94849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager = new ASTReader(getPreprocessor(), *Context, 94949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Sysroot.empty() ? "" : Sysroot.c_str(), 95049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor PPOpts.DisablePCHValidation, 95149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor PPOpts.DisableStatCache); 95249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasASTConsumer()) { 95349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->setDeserializationListener( 95449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTConsumer().GetASTDeserializationListener()); 95549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTContext().setASTMutationListener( 95649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTConsumer().GetASTMutationListener()); 957a8235d6c4093cd38dcf742909651f867de62e55bDouglas Gregor getPreprocessor().setPPMutationListener( 958a8235d6c4093cd38dcf742909651f867de62e55bDouglas Gregor getASTConsumer().GetPPMutationListener()); 95949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 9606f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ExternalASTSource> Source; 96149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Source.reset(ModuleManager); 96249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTContext().setExternalSource(Source); 96349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasSema()) 96449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->InitializeSema(getSema()); 96549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasASTConsumer()) 96649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->StartTranslationUnit(&getASTConsumer()); 967de8a9050d79d66325a18168a0994fed125a7790dDouglas Gregor } 968a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 96949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Try to load the module we found. 97049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor switch (ModuleManager->ReadAST(ModuleFile->getName(), 97138295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor serialization::MK_Module, 97238295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor ASTReader::ARR_None)) { 97349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor case ASTReader::Success: 97449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor break; 9756aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 9764825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::OutOfDate: 9774825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::VersionMismatch: 9784825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::ConfigurationMismatch: 9794825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::HadErrors: 98049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // FIXME: The ASTReader will already have complained, but can we showhorn 98149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // that diagnostic information into a more useful form? 982392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor KnownModules[Path[0].first] = 0; 98349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 984a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 98549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor case ASTReader::Failure: 986392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // Already complained, but note now that we failed. 987392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor KnownModules[Path[0].first] = 0; 98849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 98949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 99049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 991392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (!Module) { 992392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // If we loaded the module directly, without finding a module map first, 993392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // we'll have loaded the module's information from the module itself. 994392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor Module = PP->getHeaderSearchInfo().getModuleMap() 995392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor .findModule((Path[0].first->getName())); 996392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor } 997e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis 998e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis if (Module) 999e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis Module->setASTFile(ModuleFile); 1000392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor 1001392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // Cache the result of this top-level module lookup for later. 1002392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; 10036aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor } 100449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1005392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // If we never found the module, fail. 1006392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (!Module) 1007392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return 0; 1008392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor 100949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Verify that the rest of the module path actually corresponds to 101049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // a submodule. 1011392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (Path.size() > 1) { 101249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor for (unsigned I = 1, N = Path.size(); I != N; ++I) { 101349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor StringRef Name = Path[I].first->getName(); 1014b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor clang::Module *Sub = Module->findSubmodule(Name); 101549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1016b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (!Sub) { 101749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Attempt to perform typo correction to find a module name that works. 101849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor llvm::SmallVector<StringRef, 2> Best; 101949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor unsigned BestEditDistance = (std::numeric_limits<unsigned>::max)(); 102049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1021b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor for (clang::Module::submodule_iterator J = Module->submodule_begin(), 1022b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor JEnd = Module->submodule_end(); 1023e25633f777cfcaa564b4ed36cec37d6e6e1ecb04Matt Beaumont-Gay J != JEnd; ++J) { 1024b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor unsigned ED = Name.edit_distance((*J)->Name, 102549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor /*AllowReplacements=*/true, 102649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BestEditDistance); 102749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (ED <= BestEditDistance) { 1028b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (ED < BestEditDistance) { 102949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Best.clear(); 1030b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor BestEditDistance = ED; 1031b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor } 1032b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor 1033b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Best.push_back((*J)->Name); 103449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 103549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 103649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 103749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If there was a clear winner, user it. 103849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (Best.size() == 1) { 103949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(Path[I].second, 104049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor diag::err_no_submodule_suggest) 1041392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor << Path[I].first << Module->getFullModuleName() << Best[0] 104249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(Path[0].second, Path[I-1].second) 104349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << FixItHint::CreateReplacement(SourceRange(Path[I].second), 104449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Best[0]); 1045b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor 1046b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Sub = Module->findSubmodule(Best[0]); 104749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 104849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 104949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1050b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (!Sub) { 105149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // No submodule by this name. Complain, and don't look for further 105249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // submodules. 105349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(Path[I].second, diag::err_no_submodule) 1054392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor << Path[I].first << Module->getFullModuleName() 105549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(Path[0].second, Path[I-1].second); 105649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor break; 105749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 105849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1059b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Module = Sub; 106049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 106149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 106249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 10635e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // Make the named module visible, if it's not already part of the module 10645e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // we are parsing. 1065305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor if (ModuleName != getLangOpts().CurrentModule) { 1066305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor if (!Module->IsFromModuleFile) { 1067305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // We have an umbrella header or directory that doesn't actually include 1068305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // all of the headers within the directory it covers. Complain about 1069305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // this missing submodule and recover by forgetting that we ever saw 1070305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // this submodule. 1071305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // FIXME: Should we detect this at module load time? It seems fairly 1072305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // expensive (and rare). 1073305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor getDiagnostics().Report(ImportLoc, diag::warn_missing_submodule) 1074305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor << Module->getFullModuleName() 1075305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor << SourceRange(Path.front().second, Path.back().second); 1076305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor 1077305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor return 0; 1078305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor } 107951f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor 108051f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor // Check whether this module is available. 108151f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor StringRef Feature; 1082dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor if (!Module->isAvailable(getLangOpts(), getTarget(), Feature)) { 108351f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor getDiagnostics().Report(ImportLoc, diag::err_module_unavailable) 108451f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << Module->getFullModuleName() 108551f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << Feature 108651f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << SourceRange(Path.front().second, Path.back().second); 108751f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor LastModuleImportLoc = ImportLoc; 108851f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor LastModuleImportResult = 0; 108951f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor return 0; 109051f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor } 109151f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor 10925e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor ModuleManager->makeModuleVisible(Module, Visibility); 1093305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor } 1094305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor 109593ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor // If this module import was due to an inclusion directive, create an 109693ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor // implicit import declaration to capture it in the AST. 109793ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor if (IsInclusionDirective && hasASTContext()) { 109893ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor TranslationUnitDecl *TU = getASTContext().getTranslationUnitDecl(); 1099d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis ImportDecl *ImportD = ImportDecl::CreateImplicit(getASTContext(), TU, 1100d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis ImportLoc, Module, 1101d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis Path.back().second); 1102d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis TU->addDecl(ImportD); 1103d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis if (Consumer) 1104d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis Consumer->HandleImplicitImportDecl(ImportD); 110593ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor } 110649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1107b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor LastModuleImportLoc = ImportLoc; 1108392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor LastModuleImportResult = Module; 1109392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return Module; 11106aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor} 1111