CompilerInstance.cpp revision 958bcaf3d4e0c1ae46de3e84e7c2a7638c3c5286
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); 928a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar} 938a9f569262860b8d03203327afd6047be2a9b5a6Daniel Dunbar 940fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Diagnostics 9502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetUpBuildDumpLog(DiagnosticOptions *DiagOpts, 967d0c4ccd65b4549283c55e4923602e234f3811c5Axel Naumann unsigned argc, const char* const *argv, 97d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 980fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar std::string ErrorInfo; 996f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<raw_ostream> OS( 10002c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor new llvm::raw_fd_ostream(DiagOpts->DumpBuildInformation.c_str(),ErrorInfo)); 1010fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar if (!ErrorInfo.empty()) { 1023d67b1e25847319a5a271f9d5a8d607ef18d804aKovarththanan Rajaratnam Diags.Report(diag::err_fe_unable_to_open_logfile) 10302c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor << DiagOpts->DumpBuildInformation << ErrorInfo; 1040fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar return; 1050fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar } 1060fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 107dd63b28107f21692b5065588f0e90b4534946f93Daniel Dunbar (*OS) << "clang -cc1 command line arguments: "; 1080fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar for (unsigned i = 0; i != argc; ++i) 1090fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << argv[i] << ' '; 1100fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar (*OS) << '\n'; 1110fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 1120fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Chain in a diagnostic client which will log the diagnostics. 11378ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Logger = 11469247139f5ce3edf46c48344129792b3a05d090aKovarththanan Rajaratnam new TextDiagnosticPrinter(*OS.take(), DiagOpts, /*OwnsOutputStream=*/true); 1154e85b8ae413fa00fa42aa3e625c2db3b1932f8d3David Blaikie Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); 1160fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1170fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 11802c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetUpDiagnosticLog(DiagnosticOptions *DiagOpts, 119b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar const CodeGenOptions *CodeGenOpts, 120d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 1219df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar std::string ErrorInfo; 1229df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar bool OwnsStream = false; 1235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream *OS = &llvm::errs(); 12402c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (DiagOpts->DiagnosticLogFile != "-") { 1259df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Create the output stream. 1269df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar llvm::raw_fd_ostream *FileOS( 12702c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor new llvm::raw_fd_ostream(DiagOpts->DiagnosticLogFile.c_str(), 128e01eceb54c9235a41675bfd9f32c50bd005fb8d0Daniel Dunbar ErrorInfo, llvm::raw_fd_ostream::F_Append)); 1299df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar if (!ErrorInfo.empty()) { 1309df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar Diags.Report(diag::warn_fe_cc_log_diagnostics_failure) 13102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor << DiagOpts->DumpBuildInformation << ErrorInfo; 1329df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } else { 1339df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar FileOS->SetUnbuffered(); 1349df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar FileOS->SetUseAtomicWrites(true); 1359df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar OS = FileOS; 1369df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar OwnsStream = true; 1379df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } 1389df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar } 1399df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar 1409df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Chain in the diagnostic client which will log the diagnostics. 141b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar LogDiagnosticPrinter *Logger = new LogDiagnosticPrinter(*OS, DiagOpts, 142b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar OwnsStream); 143b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar if (CodeGenOpts) 144b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags); 1454e85b8ae413fa00fa42aa3e625c2db3b1932f8d3David Blaikie Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); 1469df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar} 1479df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar 14802c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregorstatic void SetupSerializedDiagnostics(DiagnosticOptions *DiagOpts, 1497800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek DiagnosticsEngine &Diags, 1507800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek StringRef OutputFile) { 1517800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek std::string ErrorInfo; 1526f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::raw_fd_ostream> OS; 1537800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek OS.reset(new llvm::raw_fd_ostream(OutputFile.str().c_str(), ErrorInfo, 1547800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek llvm::raw_fd_ostream::F_Binary)); 1557800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1567800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek if (!ErrorInfo.empty()) { 1577800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek Diags.Report(diag::warn_fe_serialized_diag_failure) 1587800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek << OutputFile << ErrorInfo; 1597800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek return; 1607800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek } 1617800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1627800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek DiagnosticConsumer *SerializedConsumer = 1632a76410c0a23a6feb98d0f13e9c8bfa0638d3adfTed Kremenek clang::serialized_diags::create(OS.take(), DiagOpts); 1647800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1657800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 1667800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), 1677800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek SerializedConsumer)); 1687800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek} 1697800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 170e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregorvoid CompilerInstance::createDiagnostics(int Argc, const char* const *Argv, 17178ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Client, 172aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldOwnClient, 173aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldCloneClient) { 17402c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Diagnostics = createDiagnostics(&getDiagnosticOpts(), Argc, Argv, Client, 175aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor ShouldOwnClient, ShouldCloneClient, 176aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor &getCodeGenOpts()); 1770fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 1780fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 179c93dc7889644293e318e19d82830ea2acc45b678Dylan NoblesmithIntrusiveRefCntPtr<DiagnosticsEngine> 18002c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas GregorCompilerInstance::createDiagnostics(DiagnosticOptions *Opts, 181e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregor int Argc, const char* const *Argv, 18278ad0b98848c17a0a11847fa1d456e2dfec8aa2fDavid Blaikie DiagnosticConsumer *Client, 18378243658c533168d51fd076fba328437932ba6f1Douglas Gregor bool ShouldOwnClient, 184aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor bool ShouldCloneClient, 185b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar const CodeGenOptions *CodeGenOpts) { 186c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); 187c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<DiagnosticsEngine> 18802c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Diags(new DiagnosticsEngine(DiagID, Opts)); 189221c7211c507482a91e97ede1bf6cf65a456ff67Daniel Dunbar 1900fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Create the diagnostic client for reporting errors or for 1910fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // implementing -verify. 192aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor if (Client) { 193aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor if (ShouldCloneClient) 194aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor Diags->setClient(Client->clone(*Diags), ShouldOwnClient); 195aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor else 196aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor Diags->setClient(Client, ShouldOwnClient); 197aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor } else 198e47be3e9682e82da15059006f43c7f3c021e4fffDouglas Gregor Diags->setClient(new TextDiagnosticPrinter(llvm::errs(), Opts)); 199f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar 200f79dced038c63572965c016b969cfa870670d16eDaniel Dunbar // Chain in -verify checker, if requested. 20102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (Opts->VerifyDiagnostics) 202621bc69624599da62abd9bc9e5edd8a63ac99fe6David Blaikie Diags->setClient(new VerifyDiagnosticConsumer(*Diags)); 2030fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 2049df23493f5b8a223dfbc491e4b7de3850797c2e7Daniel Dunbar // Chain in -diagnostic-log-file dumper, if requested. 20502c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DiagnosticLogFile.empty()) 206b6534bbee90bf73f364072051d10b60352d43c3eDaniel Dunbar SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags); 207a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 20802c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DumpBuildInformation.empty()) 2093d67b1e25847319a5a271f9d5a8d607ef18d804aKovarththanan Rajaratnam SetUpBuildDumpLog(Opts, Argc, Argv, *Diags); 2100fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 21102c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor if (!Opts->DiagnosticSerializationFile.empty()) 2127800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek SetupSerializedDiagnostics(Opts, *Diags, 21302c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor Opts->DiagnosticSerializationFile); 2147800212ef29be314d55814e8dcc568ff8beed106Ted Kremenek 2150fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar // Configure our handling of diagnostics. 21602c23ebf41ae2f70da0ba7337e05c51fbfe35f7fDouglas Gregor ProcessWarningOptions(*Diags, *Opts); 2170fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 21828019772db70d4547be05a042eb950bc910f134fDouglas Gregor return Diags; 2190fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar} 2200fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 2210fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// File Manager 2220fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 22316b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbarvoid CompilerInstance::createFileManager() { 2244f32786ac45210143654390177105eb749b614e9Ted Kremenek FileMgr = new FileManager(getFileSystemOpts()); 22516b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 22616b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar 2270fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Source Manager 2280fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 22939b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattnervoid CompilerInstance::createSourceManager(FileManager &FileMgr) { 2304f32786ac45210143654390177105eb749b614e9Ted Kremenek SourceMgr = new SourceManager(getDiagnostics(), FileMgr); 23116b7449d86b843d0926b04f87104cf3fff7149feDaniel Dunbar} 23222dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar 2330fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar// Preprocessor 2340fbb3d9a9cdd2201848be9eb017c54cd78538122Daniel Dunbar 23522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbarvoid CompilerInstance::createPreprocessor() { 2366aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor const PreprocessorOptions &PPOpts = getPreprocessorOpts(); 237a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 23822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create a PTH manager if we are using some form of a token cache. 23922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PTHManager *PTHMgr = 0; 240049d3a06ea9f8fc03582488a2b7f24512565a335Daniel Dunbar if (!PPOpts.TokenCache.empty()) 2416aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor PTHMgr = PTHManager::Create(PPOpts.TokenCache, getDiagnostics()); 242a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 24322dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Create the Preprocessor. 244c042edd54face617a3b9d0b4b9d5a3ff229d0f48Douglas Gregor HeaderSearch *HeaderInfo = new HeaderSearch(&getHeaderSearchOpts(), 245c042edd54face617a3b9d0b4b9d5a3ff229d0f48Douglas Gregor getFileManager(), 24651f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor getDiagnostics(), 247dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor getLangOpts(), 248dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor &getTarget()); 24936a16498ff911a218f26c7955376bbe99ddb16dfDouglas Gregor PP = new Preprocessor(&getPreprocessorOpts(), 25036a16498ff911a218f26c7955376bbe99ddb16dfDouglas Gregor getDiagnostics(), getLangOpts(), &getTarget(), 2516aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor getSourceManager(), *HeaderInfo, *this, PTHMgr, 2526aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor /*OwnsHeaderSearch=*/true); 253a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 25422dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Note that this is different then passing PTHMgr to Preprocessor's ctor. 25522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // That argument is used as the IdentifierInfoLookup argument to 25622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // IdentifierTable's ctor. 25722dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (PTHMgr) { 2586aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor PTHMgr->setPreprocessor(&*PP); 25922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar PP->setPTHManager(PTHMgr); 26022dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar } 261a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 26294dc8f640ebea52241412512ed48601626edbc58Douglas Gregor if (PPOpts.DetailedRecord) 263c6c54521f95760a5eaf29b668d4bf41fe2af49d7Argyrios Kyrtzidis PP->createPreprocessingRecord(PPOpts.DetailedRecordConditionalDirectives); 264a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 2656aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor InitializePreprocessor(*PP, PPOpts, getHeaderSearchOpts(), getFrontendOpts()); 266a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 2676e975c4517958bcc11c834336d340797356058dbDouglas Gregor // Set up the module path, including the hash for the 2686e975c4517958bcc11c834336d340797356058dbDouglas Gregor // module-creation options. 269f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> SpecificModuleCache( 2706e975c4517958bcc11c834336d340797356058dbDouglas Gregor getHeaderSearchOpts().ModuleCachePath); 2716e975c4517958bcc11c834336d340797356058dbDouglas Gregor if (!getHeaderSearchOpts().DisableModuleHash) 272a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi llvm::sys::path::append(SpecificModuleCache, 2736e975c4517958bcc11c834336d340797356058dbDouglas Gregor getInvocation().getModuleHash()); 2745e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache); 275a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 27622dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar // Handle generating dependencies, if requested. 2776aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor const DependencyOutputOptions &DepOpts = getDependencyOutputOpts(); 27822dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar if (!DepOpts.OutputFile.empty()) 27922dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar AttachDependencyFileGen(*PP, DepOpts); 280773303a505c23d73da624f1e6abcf41a393dad2bDouglas Gregor if (!DepOpts.DOTOutputFile.empty()) 281773303a505c23d73da624f1e6abcf41a393dad2bDouglas Gregor AttachDependencyGraphGen(*PP, DepOpts.DOTOutputFile, 282c69a181049ab52da29f8f69316a34c90c3ea3b8eDouglas Gregor getHeaderSearchOpts().Sysroot); 283a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 284c69a181049ab52da29f8f69316a34c90c3ea3b8eDouglas Gregor 285eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar // Handle generating header include information, if requested. 286eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar if (DepOpts.ShowHeaderIncludes) 287eef63e0997e0f6d6436736ea919b851cfe34955aDaniel Dunbar AttachHeaderIncludeGen(*PP); 288b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar if (!DepOpts.HeaderIncludeOutputFile.empty()) { 2895f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef OutputPath = DepOpts.HeaderIncludeOutputFile; 290b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar if (OutputPath == "-") 291b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar OutputPath = ""; 292da60885cb4ee85d167cf704061f10b758067cf5aDaniel Dunbar AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/true, OutputPath, 293da60885cb4ee85d167cf704061f10b758067cf5aDaniel Dunbar /*ShowDepth=*/false); 294b34d69b9292534c1c574f168f0ac10aea652adcaDaniel Dunbar } 29522dacfacacf5559028550ba6ddfbaa4ea6cb3944Daniel Dunbar} 2965eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2975eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar// ASTContext 2985eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar 2995eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbarvoid CompilerInstance::createASTContext() { 3005eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar Preprocessor &PP = getPreprocessor(); 3014f32786ac45210143654390177105eb749b614e9Ted Kremenek Context = new ASTContext(getLangOpts(), PP.getSourceManager(), 302bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor &getTarget(), PP.getIdentifierTable(), 3034f32786ac45210143654390177105eb749b614e9Ted Kremenek PP.getSelectorTable(), PP.getBuiltinInfo(), 3044f32786ac45210143654390177105eb749b614e9Ted Kremenek /*size_reserve=*/ 0); 3055eb810024dc8a1d12d5f066c02c978f07c4fcb00Daniel Dunbar} 3060f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3070f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar// ExternalASTSource 3080f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3095f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid CompilerInstance::createPCHExternalASTSource(StringRef Path, 310ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl bool DisablePCHValidation, 311bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis bool AllowPCHWithCompilerErrors, 312ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl void *DeserializationListener){ 3136f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ExternalASTSource> Source; 3141d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; 3150f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, 316a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi DisablePCHValidation, 317bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis AllowPCHWithCompilerErrors, 318ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl getPreprocessor(), getASTContext(), 3191d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl DeserializationListener, 3201d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl Preamble)); 321f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor ModuleManager = static_cast<ASTReader*>(Source.get()); 3220f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar getASTContext().setExternalSource(Source); 3230f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 3240f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3250f800391ffbfe3820e1c60246a09a97e5f065179Daniel DunbarExternalASTSource * 3265f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createPCHExternalASTSource(StringRef Path, 3270f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar const std::string &Sysroot, 328fae3b2f4743dad616623c4df2fdb0f5128bd36d9Douglas Gregor bool DisablePCHValidation, 329bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis bool AllowPCHWithCompilerErrors, 3300f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar Preprocessor &PP, 331ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl ASTContext &Context, 3321d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl void *DeserializationListener, 3331d9f1fe7173e3084325f43c78af812a36d8a2a7cSebastian Redl bool Preamble) { 3346f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ASTReader> Reader; 335f8a1e51c48761ee1d7803c3fa35ac94f42ebb55eDouglas Gregor Reader.reset(new ASTReader(PP, Context, 336832d620b4ae0fc5fe28561b885b4cfc65cf5c9abDouglas Gregor Sysroot.empty() ? "" : Sysroot.c_str(), 3374182ed686283b72736b287cbe28583cb641f8934Argyrios Kyrtzidis DisablePCHValidation, 338bef35c91b594f66216f4aab303b71a6c5ab7abcfArgyrios Kyrtzidis AllowPCHWithCompilerErrors)); 3390f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 340ffaab3e2bb13991bb3357e80f14bcae3745b2347Sebastian Redl Reader->setDeserializationListener( 341571db7f0cb31789737be92fce1c1b738e6dbe795Sebastian Redl static_cast<ASTDeserializationListener *>(DeserializationListener)); 342a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi switch (Reader->ReadAST(Path, 343a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi Preamble ? serialization::MK_Preamble 34438295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor : serialization::MK_PCH, 345958bcaf3d4e0c1ae46de3e84e7c2a7638c3c5286Argyrios Kyrtzidis SourceLocation(), 34638295beb73db5f90bfcf31625fb81dbc3b96290aDouglas Gregor ASTReader::ARR_None)) { 347c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl case ASTReader::Success: 3480f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Set the predefines buffer as suggested by the PCH reader. Typically, the 3490f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // predefines buffer will be empty. 3500f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar PP.setPredefines(Reader->getSuggestedPredefines()); 3510f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return Reader.take(); 3520f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 353c43b54cbc10654ed59de797898042e1a05265246Sebastian Redl case ASTReader::Failure: 3540f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // Unrecoverable failure: don't even try to process the input file. 3550f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 3560f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3574825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::OutOfDate: 3584825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::VersionMismatch: 3594825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::ConfigurationMismatch: 3604825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::HadErrors: 3610f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar // No suitable PCH file could be found. Return an error. 3620f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar break; 3630f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar } 3640f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar 3650f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar return 0; 3660f800391ffbfe3820e1c60246a09a97e5f065179Daniel Dunbar} 367c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 368c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar// Code Completion 369c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 370a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumistatic bool EnableCodeCompletion(Preprocessor &PP, 3711abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor const std::string &Filename, 3721abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor unsigned Line, 3731abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor unsigned Column) { 3741abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // Tell the source manager to chop off the given file at a specific 3751abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // line and column. 37639b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner const FileEntry *Entry = PP.getFileManager().getFile(Filename); 3771abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!Entry) { 3781abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) 3791abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor << Filename; 3801abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return true; 3811abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } 3821abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor 3831abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor // Truncate the named file at the given line/column. 3841abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor PP.SetCodeCompletionPoint(Entry, Line, Column); 3851abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return false; 3861abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor} 3871abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor 388c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbarvoid CompilerInstance::createCodeCompletionConsumer() { 389c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; 3901abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!CompletionConsumer) { 3919bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer( 3921abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor createCodeCompletionConsumer(getPreprocessor(), 3931abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor Loc.FileName, Loc.Line, Loc.Column, 394d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko getFrontendOpts().CodeCompleteOpts, 3951abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor llvm::outs())); 3961abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (!CompletionConsumer) 3971abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor return; 3981abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName, 3991abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor Loc.Line, Loc.Column)) { 4009bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer(0); 401c3d43b783dfb1a1502aa8b31ab1985cf237b1f77Douglas Gregor return; 4021abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor } 4032b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor 4042b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor if (CompletionConsumer->isOutputBinary() && 4052b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor llvm::sys::Program::ChangeStdoutToBinary()) { 4062b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); 4079bc0c290a79a6aca46367626e3463077147e7e76Erik Verbruggen setCodeCompletionConsumer(0); 4082b4074f1d3919e77cb33ca49c960521dea27afabDouglas Gregor } 409c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 410c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 411f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnamvoid CompilerInstance::createFrontendTimer() { 412f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); 413f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam} 414f79bafa608a5d7c49ec40ad199af5e32f3038b47Kovarththanan Rajaratnam 415c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCodeCompleteConsumer * 416c2f484f1f05216a9a427ac84b5773789a4661111Daniel DunbarCompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, 417c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar const std::string &Filename, 418c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Line, 419c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar unsigned Column, 420d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko const CodeCompleteOptions &Opts, 4215f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &OS) { 4221abc6bca3d7fb0e7b1e40fbcad6cfb5e10594548Douglas Gregor if (EnableCodeCompletion(PP, Filename, Line, Column)) 423c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar return 0; 424c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar 425c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar // Set up the creation routine for code-completion. 426d99ef536b241071b6f4c01db6525dc03242ac30bDmitri Gribenko return new PrintingCodeCompleteConsumer(Opts, OS); 427c2f484f1f05216a9a427ac84b5773789a4661111Daniel Dunbar} 428a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 429467dc88512b4ba4bb16e274ea3771dc1415d31daDouglas Gregorvoid CompilerInstance::createSema(TranslationUnitKind TUKind, 430f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor CodeCompleteConsumer *CompletionConsumer) { 431f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor TheSema.reset(new Sema(getPreprocessor(), getASTContext(), getASTConsumer(), 432467dc88512b4ba4bb16e274ea3771dc1415d31daDouglas Gregor TUKind, CompletionConsumer)); 433f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor} 434f18d0d8b39e891460d50f8a8b85029885b264986Douglas Gregor 435a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar// Output Files 436a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 437dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidisvoid CompilerInstance::addOutputFile(const OutputFile &OutFile) { 438dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis assert(OutFile.OS && "Attempt to add empty stream to output list!"); 439dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis OutputFiles.push_back(OutFile); 440a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 441a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 442e51dd7be67808d52c80c09b832d875e9655ce6e0Kovarththanan Rajaratnamvoid CompilerInstance::clearOutputFiles(bool EraseFiles) { 443dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis for (std::list<OutputFile>::iterator 444a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { 445dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis delete it->OS; 446dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis if (!it->TempFilename.empty()) { 447af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson if (EraseFiles) { 448af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson bool existed; 449af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson llvm::sys::fs::remove(it->TempFilename, existed); 450af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson } else { 451f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> NewOutFile(it->Filename); 452af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson 453389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis // If '-working-directory' was passed, the output filename should be 454389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis // relative to that. 4552e2468e2d2ccbb9a38fe3b6b754009af7e5d39a9Anders Carlsson FileMgr->FixupRelativePath(NewOutFile); 456af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson if (llvm::error_code ec = llvm::sys::fs::rename(it->TempFilename, 457af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson NewOutFile.str())) { 458832a2aac5766dd78f113e0f03a0c62fd0eacbc97Manuel Klimek getDiagnostics().Report(diag::err_unable_to_rename_temp) 459af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson << it->TempFilename << it->Filename << ec.message(); 460af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson 461af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson bool existed; 462af036a6c25f540a9daf51e721485ae6d0e645bd8Anders Carlsson llvm::sys::fs::remove(it->TempFilename, existed); 463dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 464dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 465dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } else if (!it->Filename.empty() && EraseFiles) 466dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis llvm::sys::Path(it->Filename).eraseFromDisk(); 467a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 468a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar } 469a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar OutputFiles.clear(); 470a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar} 471a9204831639e31474b927681b97c46781b758a1aDaniel Dunbar 472f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 473f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel DunbarCompilerInstance::createDefaultOutputFile(bool Binary, 4745f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 4755f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Extension) { 476f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return createOutputFile(getFrontendOpts().OutputFile, Binary, 477e21dd284d8209a89137a03a0d63f2bd57be9e660Daniel Dunbar /*RemoveFileOnSignal=*/true, InFile, Extension, 478e21dd284d8209a89137a03a0d63f2bd57be9e660Daniel Dunbar /*UseTemporary=*/true); 479f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 480f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 481f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 4825f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createOutputFile(StringRef OutputPath, 483ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar bool Binary, bool RemoveFileOnSignal, 4845f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 4857e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis StringRef Extension, 48612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool UseTemporary, 48712f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool CreateMissingDirectories) { 488dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string Error, OutputPathName, TempPathName; 489f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, 490ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar RemoveFileOnSignal, 491f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar InFile, Extension, 4927e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis UseTemporary, 49312f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar CreateMissingDirectories, 494dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis &OutputPathName, 495dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis &TempPathName); 496f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OS) { 497360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar getDiagnostics().Report(diag::err_fe_unable_to_open_output) 498360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar << OutputPath << Error; 499360435908c9b90429cfe192fab22854af1d4497cDaniel Dunbar return 0; 500f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 501f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 502f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // Add the output file -- but don't try to remove "-", since this means we are 503f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar // using stdin. 504dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis addOutputFile(OutputFile((OutputPathName != "-") ? OutputPathName : "", 505dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis TempPathName, OS)); 506f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 507f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar return OS; 508f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 509f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 510f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbarllvm::raw_fd_ostream * 5115f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerCompilerInstance::createOutputFile(StringRef OutputPath, 512f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar std::string &Error, 513f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar bool Binary, 514ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar bool RemoveFileOnSignal, 5155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef InFile, 5165f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Extension, 5177e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis bool UseTemporary, 51812f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool CreateMissingDirectories, 519dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string *ResultPathName, 520dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string *TempPathName) { 52112f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar assert((!CreateMissingDirectories || UseTemporary) && 52212f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar "CreateMissingDirectories is only allowed when using temporary files"); 52312f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar 524dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis std::string OutFile, TempFile; 525f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (!OutputPath.empty()) { 526f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = OutputPath; 527f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (InFile == "-") { 528f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 529f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else if (!Extension.empty()) { 530f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar llvm::sys::Path Path(InFile); 531f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.eraseSuffix(); 532f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar Path.appendSuffix(Extension); 533f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = Path.str(); 534f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } else { 535f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar OutFile = "-"; 536f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar } 5377e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis 5386f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::raw_fd_ostream> OS; 5397e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis std::string OSFile; 5407e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis 5417e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (UseTemporary && OutFile != "-") { 54212f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // Only create the temporary if the parent directory exists (or create 54312f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // missing directories is true) and we can actually write to OutPath, 54412f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar // otherwise we want to fail early. 54512f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar SmallString<256> AbsPath(OutputPath); 54612f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar llvm::sys::fs::make_absolute(AbsPath); 54712f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar llvm::sys::Path OutPath(AbsPath); 54812f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar bool ParentExists = false; 54912f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar if (llvm::sys::fs::exists(llvm::sys::path::parent_path(AbsPath.str()), 55012f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ParentExists)) 55112f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ParentExists = false; 55232bef4edba854303800b3b01cb49a282e5da4f69Michael J. Spencer bool Exists; 55312f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar if ((CreateMissingDirectories || ParentExists) && 55412f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar ((llvm::sys::fs::exists(AbsPath.str(), Exists) || !Exists) || 55512f28ab8a53d7743081d607617309891fa8156f3Daniel Dunbar (OutPath.isRegularFile() && OutPath.canWrite()))) { 556dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis // Create a temporary file. 557f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> TempPath; 5587e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis TempPath = OutFile; 5597e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis TempPath += "-%%%%%%%%"; 5607e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis int fd; 5617e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (llvm::sys::fs::unique_file(TempPath.str(), fd, TempPath, 5627d9ae25d93554bdb238da83f9bb3e0b05475c16cEric Christopher /*makeAbsolute=*/false, 0664) 5637d9ae25d93554bdb238da83f9bb3e0b05475c16cEric Christopher == llvm::errc::success) { 5647e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true)); 5657e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OSFile = TempFile = TempPath.str(); 5667e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis } 567dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 568dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis } 569dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis 5707e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (!OS) { 5717e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OSFile = OutFile; 5727e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis OS.reset( 5737e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis new llvm::raw_fd_ostream(OSFile.c_str(), Error, 5747e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis (Binary ? llvm::raw_fd_ostream::F_Binary : 0))); 5757e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis if (!Error.empty()) 5767e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis return 0; 5777e90985df09855dc309ed888a5b16a0ae684f8e3Argyrios Kyrtzidis } 578f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 579dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis // Make sure the out stream file gets removed if we crash. 580ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar if (RemoveFileOnSignal) 581ff9cd968cd5b623e3ec7e5f862b598cd22f7ec79Daniel Dunbar llvm::sys::RemoveFileOnSignal(llvm::sys::Path(OSFile)); 582dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis 583f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar if (ResultPathName) 584f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar *ResultPathName = OutFile; 585dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis if (TempPathName) 586dc24572a44575e07a5d8bb6de52641a69f1bab27Argyrios Kyrtzidis *TempPathName = TempFile; 587f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar 588fc97102a80bfe0afaa25883a2aa6b5e1d7307d0aDaniel Dunbar return OS.take(); 589f482d59386dbc70716f7a5f65adb37ff86b501e6Daniel Dunbar} 590ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 591ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar// Initialization Utilities 592ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 5938e1fbbc492bc1f4833136d9b55e1aaf478565d32Argyrios Kyrtzidisbool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input){ 5948e1fbbc492bc1f4833136d9b55e1aaf478565d32Argyrios Kyrtzidis return InitializeSourceManager(Input, getDiagnostics(), 595a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor getFileManager(), getSourceManager(), 596a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor getFrontendOpts()); 597ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 598ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 5998e1fbbc492bc1f4833136d9b55e1aaf478565d32Argyrios Kyrtzidisbool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, 600d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags, 601ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar FileManager &FileMgr, 602ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar SourceManager &SourceMgr, 603ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar const FrontendOptions &Opts) { 6048e1fbbc492bc1f4833136d9b55e1aaf478565d32Argyrios Kyrtzidis SrcMgr::CharacteristicKind 6058616f9af65b9a3662f2c9dfed38eeabc509f8446Argyrios Kyrtzidis Kind = Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User; 6068e1fbbc492bc1f4833136d9b55e1aaf478565d32Argyrios Kyrtzidis 607ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis if (Input.isBuffer()) { 608ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis SourceMgr.createMainFileIDForMemBuffer(Input.getBuffer(), Kind); 609ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis assert(!SourceMgr.getMainFileID().isInvalid() && 610ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis "Couldn't establish MainFileID!"); 611ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis return true; 612ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis } 613ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis 614ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis StringRef InputFile = Input.getFile(); 615ecd27bf256c92f56c7c7ede6f40ec5d31a40b35eArgyrios Kyrtzidis 616507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis // Figure out where to get and map in the main file. 617507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis if (InputFile != "-") { 61839b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner const FileEntry *File = FileMgr.getFile(InputFile); 619694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman if (!File) { 620ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading) << InputFile; 621ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 622ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 623a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SourceMgr.createMainFileID(File, Kind); 624ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar 625ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar // The natural SourceManager infrastructure can't currently handle named 626ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar // pipes, but we would at least like to accept them for the main 627ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar // file. Detect them here, read them with the more generic MemoryBuffer 628ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar // function, and simply override their contents as we do for STDIN. 629ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar if (File->isNamedPipe()) { 630ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar OwningPtr<llvm::MemoryBuffer> MB; 631ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar if (llvm::error_code ec = llvm::MemoryBuffer::getFile(InputFile, MB)) { 632ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar Diags.Report(diag::err_cannot_open_file) << InputFile << ec.message(); 633ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar return false; 634ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar } 635ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar SourceMgr.overrideFileContents(File, MB.take()); 636ce36ecd5a509af8fc5924d21694df36e8bc94a95Daniel Dunbar } 637ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } else { 6386f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<llvm::MemoryBuffer> SB; 6394eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer if (llvm::MemoryBuffer::getSTDIN(SB)) { 6403a321e23f66128dbb986343927456ff6702af617Michael J. Spencer // FIXME: Give ec.message() in this diag. 641ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar Diags.Report(diag::err_fe_error_reading_stdin); 642ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return false; 643ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 64490d9081cacb4b0163f2c7527f666d6515257067cDan Gohman const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(), 64539b49bcaaddb1049234fca9500c0ac02c088e23dChris Lattner SB->getBufferSize(), 0); 646a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SourceMgr.createMainFileID(File, Kind); 6474eeebc464e1f968d9968a4786c82558f18ac2ed8Michael J. Spencer SourceMgr.overrideFileContents(File, SB.take()); 648ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar } 649ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar 650694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman assert(!SourceMgr.getMainFileID().isInvalid() && 651694137c54c79a33c9ac6c07e68327750dcd5adf7Dan Gohman "Couldn't establish MainFileID!"); 652ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar return true; 653ccb6cb6fd9e48697564d536b07397b95dfc28d5bDaniel Dunbar} 6540397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6550397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar// High-Level Operations 6560397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6570397af277e3bba16da1fd125ddba07415686b429Daniel Dunbarbool CompilerInstance::ExecuteAction(FrontendAction &Act) { 6580397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); 6590397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); 6600397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); 6610397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6620397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: Take this as an argument, once all the APIs we used have moved to 6630397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // taking it as an input instead of hard-coding llvm::errs. 6645f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &OS = llvm::errs(); 6650397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6660397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Create the target instance. 6670397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), getTargetOpts())); 6680397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (!hasTarget()) 6690397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar return false; 6700397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6710397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Inform the target of the language options. 6720397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // 6730397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // FIXME: We shouldn't need to do this, the target should be immutable once 6740397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // created. This complexity should be lifted elsewhere. 6750397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getTarget().setForcedLangOptions(getLangOpts()); 6760397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 67793a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian // rewriter project will change target built-in bool type from its default. 67893a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) 67993a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian getTarget().noSignedCharForObjCBool(); 68093a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian 6810397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar // Validate/process some options. 6820397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getHeaderSearchOpts().Verbose) 6830397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "clang -cc1 version " CLANG_VERSION_STRING 6840397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar << " based upon " << PACKAGE_STRING 6855d8b9548420e67f1bf45b7bbc1cf9fb86e9e4505Sebastian Pop << " default target " << llvm::sys::getDefaultTargetTriple() << "\n"; 6860397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6870397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar if (getFrontendOpts().ShowTimers) 6880397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar createFrontendTimer(); 6890397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 69095dd5583e3900443a1d7970d557d8c54aa320601Douglas Gregor if (getFrontendOpts().ShowStats) 69195dd5583e3900443a1d7970d557d8c54aa320601Douglas Gregor llvm::EnableStatistics(); 692a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 6930397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { 6942056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar // Reset the ID tables if we are reusing the SourceManager. 6952056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar if (hasSourceManager()) 6962056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar getSourceManager().clearIDTables(); 6970397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 6981f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor if (Act.BeginSourceFile(*this, getFrontendOpts().Inputs[i])) { 6990397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.Execute(); 7000397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar Act.EndSourceFile(); 7010397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 7020397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 7030397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 70429f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis // Notify the diagnostic client that all files were processed. 70529f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis getDiagnostics().getClient()->finish(); 70629f2787b6da552018a7716f18f5bd8f67bd6edb5Argyrios Kyrtzidis 70753eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (getDiagnosticOpts().ShowCarets) { 708f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis // We can have multiple diagnostics sharing one diagnostic client. 709f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis // Get the total number of warnings/errors from the client. 710f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumWarnings = getDiagnostics().getClient()->getNumWarnings(); 711f2224d89a6ae65a3839529e26d0f6d025d83d6bbArgyrios Kyrtzidis unsigned NumErrors = getDiagnostics().getClient()->getNumErrors(); 712a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 71353eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings) 71453eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << NumWarnings << " warning" << (NumWarnings == 1 ? "" : "s"); 71553eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings && NumErrors) 71653eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << " and "; 71753eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumErrors) 71853eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s"); 71953eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner if (NumWarnings || NumErrors) 72053eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner OS << " generated.\n"; 72153eee7ba970d21ff15bbd4334164037a3b4cc4b8Chris Lattner } 7220397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 7232056048f0f619adadc9a5416a2c4cdf95c58eef7Daniel Dunbar if (getFrontendOpts().ShowStats && hasFileManager()) { 7240397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar getFileManager().PrintStats(); 7250397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar OS << "\n"; 7260397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar } 7270397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 728ab41b97c3cddf1bcdd8bf82ab09ed3ceafcd05b1Argyrios Kyrtzidis return !getDiagnostics().getClient()->getNumErrors(); 7290397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar} 7300397af277e3bba16da1fd125ddba07415686b429Daniel Dunbar 73121cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor/// \brief Determine the appropriate source input kind based on language 73221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor/// options. 73321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregorstatic InputKind getSourceInputKindFromOptions(const LangOptions &LangOpts) { 73421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.OpenCL) 73521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return IK_OpenCL; 73621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.CUDA) 73721cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return IK_CUDA; 73821cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor if (LangOpts.ObjC1) 73921cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return LangOpts.CPlusPlus? IK_ObjCXX : IK_ObjC; 74021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor return LangOpts.CPlusPlus? IK_CXX : IK_C; 74121cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor} 74221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor 7430ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregornamespace { 744f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor struct CompileModuleMapData { 745f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor CompilerInstance &Instance; 746f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor GenerateModuleAction &CreateModuleAction; 747f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor }; 748f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor} 749f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 750f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// \brief Helper function that executes the module-generating action under 751f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// a crash recovery context. 752f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregorstatic void doCompileMapModule(void *UserData) { 753f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor CompileModuleMapData &Data 754f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor = *reinterpret_cast<CompileModuleMapData *>(UserData); 755f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor Data.Instance.ExecuteAction(Data.CreateModuleAction); 756f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor} 757f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 758f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// \brief Compile a module file for the given module, using the options 759f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor/// provided by the importing compiler instance. 76021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregorstatic void compileModule(CompilerInstance &ImportingInstance, 7611a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor Module *Module, 762933e7a61da12400d8971890719cb03d68c1b02ebDouglas Gregor StringRef ModuleFileName) { 76352f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor llvm::LockFileManager Locked(ModuleFileName); 7642bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor switch (Locked) { 76552f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Error: 7662bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor return; 767a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 76852f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Owned: 7692bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // We're responsible for building the module ourselves. Do so below. 7702bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor break; 771a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 77252f127297c9dca0f8fbb3a28144de4db1d1db9e2Douglas Gregor case llvm::LockFileManager::LFS_Shared: 7732bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // Someone else is responsible for building the module. Wait for them to 7742bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor // finish. 7752bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor Locked.waitForUnlock(); 7767cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor return; 7772bc750700487163e31e4f67cd0e0886868209e3cDouglas Gregor } 778a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 779f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor ModuleMap &ModMap 780f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor = ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap(); 781f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 78221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a compiler invocation for creating this module. 783c93dc7889644293e318e19d82830ea2acc45b678Dylan Noblesmith IntrusiveRefCntPtr<CompilerInvocation> Invocation 78421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor (new CompilerInvocation(ImportingInstance.getInvocation())); 785a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 78618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts(); 78718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 788b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // For any options that aren't intended to affect how a module is built, 789b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // reset them to their default values. 790d3b74d9ca4f239a7a90ad193378c494306c57352Ted Kremenek Invocation->getLangOpts()->resetNonModularOptions(); 79118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.resetNonModularOptions(); 792a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 793b86b8dc7ef89405205f94635c1073cdb1a7093ebDouglas Gregor // Note the name of the module we're building. 794933e7a61da12400d8971890719cb03d68c1b02ebDouglas Gregor Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName(); 795b86b8dc7ef89405205f94635c1073cdb1a7093ebDouglas Gregor 796a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi // Note that this module is part of the module build path, so that we 797b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // can detect cycles in the module graph. 79818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.ModuleBuildPath.push_back(Module->getTopLevelModuleName()); 799f9e357d8a66c606a86a6e1aef678898b8843bd30Douglas Gregor 80018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // If there is a module map file, build the module using the module map. 801b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // Set up the inputs/outputs so that we build the module from its umbrella 802b2d39c217b2cfe87cbe69f25df83869940d8adcdDouglas Gregor // header. 80321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOptions &FrontendOpts = Invocation->getFrontendOpts(); 8046e975c4517958bcc11c834336d340797356058dbDouglas Gregor FrontendOpts.OutputFile = ModuleFileName.str(); 80521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOpts.DisableFree = false; 80621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor FrontendOpts.Inputs.clear(); 80718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts()); 808a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 80918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Get or create the module map that we'll use to build this module. 810f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<128> TempModuleMapFileName; 81118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (const FileEntry *ModuleMapFile 81218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor = ModMap.getContainingModuleMapFile(Module)) { 81318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Use the module map where this module resides. 8141f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor FrontendOpts.Inputs.push_back(FrontendInputFile(ModuleMapFile->getName(), 8151f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor IK)); 81618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor } else { 81718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Create a temporary module map file. 81818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName = Module->Name; 81918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName += "-%%%%%%%%.map"; 82018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor int FD; 82118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (llvm::sys::fs::unique_file(TempModuleMapFileName.str(), FD, 82218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor TempModuleMapFileName, 8231e821e9eba7c48f375c7cb5c9e19c489e17ec58aDouglas Gregor /*makeAbsolute=*/true) 824e912029b914f263ec22cba6f1fb41ebebcdd844fDouglas Gregor != llvm::errc::success) { 825f64114b2aa611a66fc97e6bd8f35b0b039a4500aDouglas Gregor ImportingInstance.getDiagnostics().Report(diag::err_module_map_temp_file) 826f64114b2aa611a66fc97e6bd8f35b0b039a4500aDouglas Gregor << TempModuleMapFileName; 82718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor return; 828e912029b914f263ec22cba6f1fb41ebebcdd844fDouglas Gregor } 82918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Print the module map to this file. 83018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor llvm::raw_fd_ostream OS(FD, /*shouldClose=*/true); 83118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Module->print(OS); 83218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor FrontendOpts.Inputs.push_back( 8331f6b2b5c82b2d2d3935b0db76352a04e9877b73fDouglas Gregor FrontendInputFile(TempModuleMapFileName.str().str(), IK)); 83418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor } 835a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 83618ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Don't free the remapped file buffers; they are owned by our caller. 83718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor PPOpts.RetainRemappedFileBuffers = true; 83818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 83918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Invocation->getDiagnosticOpts().VerifyDiagnostics = 0; 84076d991ec6c5cd247ee18fe65c35d43c2d47cf094Douglas Gregor assert(ImportingInstance.getInvocation().getModuleHash() == 84118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor Invocation->getModuleHash() && "Module hash mismatch!"); 84218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 84321cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a compiler instance that will be used to actually create the 84421cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // module. 84521cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor CompilerInstance Instance; 84621cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor Instance.setInvocation(&*Invocation); 847a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi Instance.createDiagnostics(/*argc=*/0, /*argv=*/0, 84878243658c533168d51fd076fba328437932ba6f1Douglas Gregor &ImportingInstance.getDiagnosticClient(), 849aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor /*ShouldOwnClient=*/true, 850aee526e77657afd1600276450e9c346953ad51d7Douglas Gregor /*ShouldCloneClient=*/true); 85118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 85221cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor // Construct a module-generating action. 85318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor GenerateModuleAction CreateModuleAction; 85418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 8550ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor // Execute the action to actually build the module in-place. Use a separate 8560ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor // thread so that we get a stack large enough. 8570ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor const unsigned ThreadStackSize = 8 << 20; 8580ced799878d1beb8f0fa1cc31fa6d2e4229c217cDouglas Gregor llvm::CrashRecoveryContext CRC; 85918ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor CompileModuleMapData Data = { Instance, CreateModuleAction }; 86018ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor CRC.RunSafelyOnThread(&doCompileMapModule, &Data, ThreadStackSize); 86118ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor 86218ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // Delete the temporary module map file. 86318ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // FIXME: Even though we're executing under crash protection, it would still 86418ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // be nice to do this with RemoveFileOnSignal when we can. However, that 86518ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor // doesn't make sense for all clients, so clean this up manually. 866a2e94892e273423e2f772f989921cda6442a66c4Benjamin Kramer Instance.clearOutputFiles(/*EraseFiles=*/true); 86718ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor if (!TempModuleMapFileName.empty()) 86818ee547b6926cacefa15eed8ca60ff73d22e279bDouglas Gregor llvm::sys::Path(TempModuleMapFileName).eraseFromDisk(); 869a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi} 87021cae2059a06f7d89eee169409c9266def1b1acaDouglas Gregor 8711a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas GregorModule *CompilerInstance::loadModule(SourceLocation ImportLoc, 8725e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor ModuleIdPath Path, 87393ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor Module::NameVisibilityKind Visibility, 87493ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor bool IsInclusionDirective) { 875b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // If we've already handled this import, just return the cached result. 876b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // This one-element cache is important to eliminate redundant diagnostics 877b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor // when both the preprocessor and parser see the same import declaration. 8785e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor if (!ImportLoc.isInvalid() && LastModuleImportLoc == ImportLoc) { 8795e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor // Make the named module visible. 8805e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor if (LastModuleImportResult) 8815e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility); 882392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return LastModuleImportResult; 8835e35693721364673f8196e4f5a370f56b92e6053Douglas Gregor } 884b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor 8856aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor // Determine what file we're searching from. 8863d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor StringRef ModuleName = Path[0].first->getName(); 8873d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor SourceLocation ModuleNameLoc = Path[0].second; 888a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 8891a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor clang::Module *Module = 0; 8903d3589db579f7695667b913c5043dd264ebe546fDouglas Gregor 89149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If we don't already have information on this module, load the module now. 8921a4761edca58c6b559de825b9abfb66f7f1ba94aDouglas Gregor llvm::DenseMap<const IdentifierInfo *, clang::Module *>::iterator Known 893392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor = KnownModules.find(Path[0].first); 8945e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor if (Known != KnownModules.end()) { 8955e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // Retrieve the cached top-level module. 8965e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Module = Known->second; 8975e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor } else if (ModuleName == getLangOpts().CurrentModule) { 8985e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // This is the module we're building. 8995e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Module = PP->getHeaderSearchInfo().getModuleMap().findModule(ModuleName); 9005e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; 9015e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor } else { 90249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Search for a module with the given name. 903e434ec71fccfe078906403affd641f709702d598Douglas Gregor Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); 90449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor std::string ModuleFileName; 905e434ec71fccfe078906403affd641f709702d598Douglas Gregor if (Module) 906e434ec71fccfe078906403affd641f709702d598Douglas Gregor ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(Module); 907e434ec71fccfe078906403affd641f709702d598Douglas Gregor else 908e434ec71fccfe078906403affd641f709702d598Douglas Gregor ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(ModuleName); 909e434ec71fccfe078906403affd641f709702d598Douglas Gregor 910e434ec71fccfe078906403affd641f709702d598Douglas Gregor if (ModuleFileName.empty()) { 911e434ec71fccfe078906403affd641f709702d598Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_found) 912e434ec71fccfe078906403affd641f709702d598Douglas Gregor << ModuleName 913e434ec71fccfe078906403affd641f709702d598Douglas Gregor << SourceRange(ImportLoc, ModuleNameLoc); 914e434ec71fccfe078906403affd641f709702d598Douglas Gregor LastModuleImportLoc = ImportLoc; 915e434ec71fccfe078906403affd641f709702d598Douglas Gregor LastModuleImportResult = 0; 916e434ec71fccfe078906403affd641f709702d598Douglas Gregor return 0; 917e434ec71fccfe078906403affd641f709702d598Douglas Gregor } 918e434ec71fccfe078906403affd641f709702d598Douglas Gregor 919e434ec71fccfe078906403affd641f709702d598Douglas Gregor const FileEntry *ModuleFile 920e434ec71fccfe078906403affd641f709702d598Douglas Gregor = getFileManager().getFile(ModuleFileName, /*OpenFile=*/false, 921e434ec71fccfe078906403affd641f709702d598Douglas Gregor /*CacheFailure=*/false); 92249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor bool BuildingModule = false; 92349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleFile && Module) { 92449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // The module is not cached, but we have a module map from which we can 92549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // build the module. 92649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 92749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Check whether there is a cycle in the module graph. 92849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor SmallVectorImpl<std::string> &ModuleBuildPath 92949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor = getPreprocessorOpts().ModuleBuildPath; 93049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor SmallVectorImpl<std::string>::iterator Pos 93149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor = std::find(ModuleBuildPath.begin(), ModuleBuildPath.end(), ModuleName); 93249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (Pos != ModuleBuildPath.end()) { 933f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<256> CyclePath; 93449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor for (; Pos != ModuleBuildPath.end(); ++Pos) { 93549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += *Pos; 93649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += " -> "; 93749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 93849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor CyclePath += ModuleName; 93949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 94049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::err_module_cycle) 94149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName << CyclePath; 94249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 9434ebd45f4279d84416568ada6adf56044bdf391b7Douglas Gregor } 944a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 94549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, diag::warn_module_build) 94649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName; 94749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BuildingModule = true; 94849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor compileModule(*this, Module, ModuleFileName); 94949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleFile = FileMgr->getFile(ModuleFileName); 9504ebd45f4279d84416568ada6adf56044bdf391b7Douglas Gregor } 951a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 95249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleFile) { 95349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(ModuleNameLoc, 95449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BuildingModule? diag::err_module_not_built 95549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor : diag::err_module_not_found) 95649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << ModuleName 95749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(ImportLoc, ModuleNameLoc); 95849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 95949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 960a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 96149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If we don't already have an ASTReader, create one now. 96249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!ModuleManager) { 96349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (!hasASTContext()) 96449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor createASTContext(); 96549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 96649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor std::string Sysroot = getHeaderSearchOpts().Sysroot; 96749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor const PreprocessorOptions &PPOpts = getPreprocessorOpts(); 96849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager = new ASTReader(getPreprocessor(), *Context, 96949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Sysroot.empty() ? "" : Sysroot.c_str(), 9704182ed686283b72736b287cbe28583cb641f8934Argyrios Kyrtzidis PPOpts.DisablePCHValidation); 97149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasASTConsumer()) { 97249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->setDeserializationListener( 97349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTConsumer().GetASTDeserializationListener()); 97449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTContext().setASTMutationListener( 97549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTConsumer().GetASTMutationListener()); 976a8235d6c4093cd38dcf742909651f867de62e55bDouglas Gregor getPreprocessor().setPPMutationListener( 977a8235d6c4093cd38dcf742909651f867de62e55bDouglas Gregor getASTConsumer().GetPPMutationListener()); 97849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 9796f42b62b6194f53bcbc349f5d17388e1936535d7Dylan Noblesmith OwningPtr<ExternalASTSource> Source; 98049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Source.reset(ModuleManager); 98149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getASTContext().setExternalSource(Source); 98249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasSema()) 98349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->InitializeSema(getSema()); 98449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (hasASTConsumer()) 98549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor ModuleManager->StartTranslationUnit(&getASTConsumer()); 986de8a9050d79d66325a18168a0994fed125a7790dDouglas Gregor } 987a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 98849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Try to load the module we found. 9897cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor unsigned ARRFlags = ASTReader::ARR_None; 9907cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor if (Module) 9917cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor ARRFlags |= ASTReader::ARR_OutOfDate; 99249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor switch (ModuleManager->ReadAST(ModuleFile->getName(), 993958bcaf3d4e0c1ae46de3e84e7c2a7638c3c5286Argyrios Kyrtzidis serialization::MK_Module, ImportLoc, 9947cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor ARRFlags)) { 99549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor case ASTReader::Success: 99649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor break; 9976aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor 9987cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor case ASTReader::OutOfDate: { 9997cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor // The module file is out-of-date. Rebuild it. 10007cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor getFileManager().invalidateCache(ModuleFile); 10017cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor bool Existed; 10027cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor llvm::sys::fs::remove(ModuleFileName, Existed); 10037cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor compileModule(*this, Module, ModuleFileName); 10047cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor 10057cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor // Try loading the module again. 10067cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor ModuleFile = FileMgr->getFile(ModuleFileName); 10077cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor if (!ModuleFile || 10087cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor ModuleManager->ReadAST(ModuleFileName, 1009958bcaf3d4e0c1ae46de3e84e7c2a7638c3c5286Argyrios Kyrtzidis serialization::MK_Module, ImportLoc, 10107cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor ASTReader::ARR_None) != ASTReader::Success) { 10117cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor KnownModules[Path[0].first] = 0; 10127cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor return 0; 10137cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor } 10147cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor 10157cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor // Okay, we've rebuilt and now loaded the module. 10167cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor break; 10177cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor } 10187cdd28162dc7ade4b14bf237e87b4bbc17b2f023Douglas Gregor 10194825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::VersionMismatch: 10204825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::ConfigurationMismatch: 10214825fd7fbb3fe87cdf8da9bccc1361fac45bdf2dDouglas Gregor case ASTReader::HadErrors: 102249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // FIXME: The ASTReader will already have complained, but can we showhorn 102349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // that diagnostic information into a more useful form? 1024392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor KnownModules[Path[0].first] = 0; 102549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 1026a789ca9b967abe47b84df83bcf4afb150856a8d9NAKAMURA Takumi 102749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor case ASTReader::Failure: 1028392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // Already complained, but note now that we failed. 1029392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor KnownModules[Path[0].first] = 0; 103049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor return 0; 103149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 103249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1033392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (!Module) { 1034392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // If we loaded the module directly, without finding a module map first, 1035392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // we'll have loaded the module's information from the module itself. 1036392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor Module = PP->getHeaderSearchInfo().getModuleMap() 1037392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor .findModule((Path[0].first->getName())); 1038392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor } 1039e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis 1040e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis if (Module) 1041e2ac16b09ea66ad955752381b82fb8719d003e5eArgyrios Kyrtzidis Module->setASTFile(ModuleFile); 1042392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor 1043392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // Cache the result of this top-level module lookup for later. 1044392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; 10456aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor } 104649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1047392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor // If we never found the module, fail. 1048392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (!Module) 1049392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return 0; 1050392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor 105149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Verify that the rest of the module path actually corresponds to 105249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // a submodule. 1053392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor if (Path.size() > 1) { 105449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor for (unsigned I = 1, N = Path.size(); I != N; ++I) { 105549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor StringRef Name = Path[I].first->getName(); 1056b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor clang::Module *Sub = Module->findSubmodule(Name); 105749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1058b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (!Sub) { 105949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // Attempt to perform typo correction to find a module name that works. 106049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor llvm::SmallVector<StringRef, 2> Best; 106149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor unsigned BestEditDistance = (std::numeric_limits<unsigned>::max)(); 106249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1063b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor for (clang::Module::submodule_iterator J = Module->submodule_begin(), 1064b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor JEnd = Module->submodule_end(); 1065e25633f777cfcaa564b4ed36cec37d6e6e1ecb04Matt Beaumont-Gay J != JEnd; ++J) { 1066b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor unsigned ED = Name.edit_distance((*J)->Name, 106749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor /*AllowReplacements=*/true, 106849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor BestEditDistance); 106949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (ED <= BestEditDistance) { 1070b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (ED < BestEditDistance) { 107149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Best.clear(); 1072b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor BestEditDistance = ED; 1073b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor } 1074b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor 1075b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Best.push_back((*J)->Name); 107649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 107749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 107849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 107949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // If there was a clear winner, user it. 108049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor if (Best.size() == 1) { 108149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(Path[I].second, 108249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor diag::err_no_submodule_suggest) 1083392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor << Path[I].first << Module->getFullModuleName() << Best[0] 108449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(Path[0].second, Path[I-1].second) 108549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << FixItHint::CreateReplacement(SourceRange(Path[I].second), 108649009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor Best[0]); 1087b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor 1088b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Sub = Module->findSubmodule(Best[0]); 108949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 109049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 109149009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1092b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor if (!Sub) { 109349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // No submodule by this name. Complain, and don't look for further 109449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor // submodules. 109549009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor getDiagnostics().Report(Path[I].second, diag::err_no_submodule) 1096392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor << Path[I].first << Module->getFullModuleName() 109749009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor << SourceRange(Path[0].second, Path[I-1].second); 109849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor break; 109949009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 110049009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1101b7a7819473709c01ea024a2dc15e99d38f0f8760Douglas Gregor Module = Sub; 110249009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 110349009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor } 110449009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 11055e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // Make the named module visible, if it's not already part of the module 11065e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor // we are parsing. 1107305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor if (ModuleName != getLangOpts().CurrentModule) { 1108305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor if (!Module->IsFromModuleFile) { 1109305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // We have an umbrella header or directory that doesn't actually include 1110305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // all of the headers within the directory it covers. Complain about 1111305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // this missing submodule and recover by forgetting that we ever saw 1112305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // this submodule. 1113305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // FIXME: Should we detect this at module load time? It seems fairly 1114305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor // expensive (and rare). 1115305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor getDiagnostics().Report(ImportLoc, diag::warn_missing_submodule) 1116305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor << Module->getFullModuleName() 1117305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor << SourceRange(Path.front().second, Path.back().second); 1118305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor 1119305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor return 0; 1120305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor } 112151f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor 112251f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor // Check whether this module is available. 112351f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor StringRef Feature; 1124dc58aa71026cce539ca9b5c2c52cc4efc7bd77feDouglas Gregor if (!Module->isAvailable(getLangOpts(), getTarget(), Feature)) { 112551f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor getDiagnostics().Report(ImportLoc, diag::err_module_unavailable) 112651f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << Module->getFullModuleName() 112751f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << Feature 112851f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor << SourceRange(Path.front().second, Path.back().second); 112951f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor LastModuleImportLoc = ImportLoc; 113051f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor LastModuleImportResult = 0; 113151f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor return 0; 113251f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor } 113351f564f80d9f71e175635b452ffeeeff899e9bf1Douglas Gregor 11345e3f9223db88227d6d21679c613b139d8160186dDouglas Gregor ModuleManager->makeModuleVisible(Module, Visibility); 1135305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor } 1136305dc3ebaa0bea5f3b789e4b54afc79c25907615Douglas Gregor 113793ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor // If this module import was due to an inclusion directive, create an 113893ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor // implicit import declaration to capture it in the AST. 113993ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor if (IsInclusionDirective && hasASTContext()) { 114093ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor TranslationUnitDecl *TU = getASTContext().getTranslationUnitDecl(); 1141d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis ImportDecl *ImportD = ImportDecl::CreateImplicit(getASTContext(), TU, 1142d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis ImportLoc, Module, 1143d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis Path.back().second); 1144d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis TU->addDecl(ImportD); 1145d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis if (Consumer) 1146d3d981627c375b187f33cc92a034a77ac329ec47Argyrios Kyrtzidis Consumer->HandleImplicitImportDecl(ImportD); 114793ebfa6139bbca4d446c7343e3afc8e5ec777484Douglas Gregor } 114849009ec701feb3009450e57e40c656e2ad7c1f41Douglas Gregor 1149b514c792821a8f053027d88444e13bfaa8efef76Douglas Gregor LastModuleImportLoc = ImportLoc; 1150392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor LastModuleImportResult = Module; 1151392ed2b717d86ebdd202cb9bb58d18d8b3b4cd87Douglas Gregor return Module; 11526aa52ec6b969faabf3764baf79d89810b8249a7eDouglas Gregor} 1153