Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 1 | //===--- CompilerInstance.cpp ---------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "clang/Frontend/CompilerInstance.h" |
Daniel Dunbar | 12ce694 | 2009-11-14 02:47:17 +0000 | [diff] [blame] | 11 | #include "clang/AST/ASTConsumer.h" |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 12 | #include "clang/AST/ASTContext.h" |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 13 | #include "clang/AST/Decl.h" |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 14 | #include "clang/Basic/Diagnostic.h" |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 15 | #include "clang/Basic/FileManager.h" |
| 16 | #include "clang/Basic/SourceManager.h" |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 17 | #include "clang/Basic/TargetInfo.h" |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 18 | #include "clang/Basic/Version.h" |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 19 | #include "clang/Config/config.h" |
David Blaikie | 4e85b8a | 2011-09-26 00:21:47 +0000 | [diff] [blame] | 20 | #include "clang/Frontend/ChainedDiagnosticConsumer.h" |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 21 | #include "clang/Frontend/FrontendAction.h" |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 22 | #include "clang/Frontend/FrontendActions.h" |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 23 | #include "clang/Frontend/FrontendDiagnostic.h" |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 24 | #include "clang/Frontend/LogDiagnosticPrinter.h" |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 25 | #include "clang/Frontend/SerializedDiagnosticPrinter.h" |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 26 | #include "clang/Frontend/TextDiagnosticPrinter.h" |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 27 | #include "clang/Frontend/Utils.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 28 | #include "clang/Frontend/VerifyDiagnosticConsumer.h" |
| 29 | #include "clang/Lex/HeaderSearch.h" |
| 30 | #include "clang/Lex/PTHManager.h" |
| 31 | #include "clang/Lex/Preprocessor.h" |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 32 | #include "clang/Sema/CodeCompleteConsumer.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 33 | #include "clang/Sema/Sema.h" |
| 34 | #include "clang/Serialization/ASTReader.h" |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 35 | #include "clang/Serialization/GlobalModuleIndex.h" |
Douglas Gregor | 95dd558 | 2010-03-30 17:33:59 +0000 | [diff] [blame] | 36 | #include "llvm/ADT/Statistic.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 37 | #include "llvm/Support/CrashRecoveryContext.h" |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 38 | #include "llvm/Support/Errc.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 39 | #include "llvm/Support/FileSystem.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 40 | #include "llvm/Support/Host.h" |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 41 | #include "llvm/Support/LockFileManager.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 42 | #include "llvm/Support/MemoryBuffer.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 43 | #include "llvm/Support/Path.h" |
| 44 | #include "llvm/Support/Program.h" |
| 45 | #include "llvm/Support/Signals.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 46 | #include "llvm/Support/Timer.h" |
| 47 | #include "llvm/Support/raw_ostream.h" |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 48 | #include <sys/stat.h> |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 49 | #include <system_error> |
Douglas Gregor | 87ab066 | 2013-03-25 21:51:16 +0000 | [diff] [blame] | 50 | #include <time.h> |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 51 | |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 52 | using namespace clang; |
| 53 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 54 | CompilerInstance::CompilerInstance(bool BuildingModule) |
| 55 | : ModuleLoader(BuildingModule), |
| 56 | Invocation(new CompilerInvocation()), ModuleManager(nullptr), |
| 57 | BuildGlobalModuleIndex(false), HaveFullGlobalModuleIndex(false), |
| 58 | ModuleBuildFailed(false) { |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 59 | } |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 60 | |
| 61 | CompilerInstance::~CompilerInstance() { |
Benjamin Kramer | ac447fc | 2012-10-14 19:21:21 +0000 | [diff] [blame] | 62 | assert(OutputFiles.empty() && "Still output files in flight?"); |
Daniel Dunbar | 42e9f8e4 | 2010-02-16 01:54:47 +0000 | [diff] [blame] | 63 | } |
| 64 | |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 65 | void CompilerInstance::setInvocation(CompilerInvocation *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 66 | Invocation = Value; |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 67 | } |
| 68 | |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 69 | bool CompilerInstance::shouldBuildGlobalModuleIndex() const { |
Douglas Gregor | 1a49d97 | 2013-01-25 01:03:03 +0000 | [diff] [blame] | 70 | return (BuildGlobalModuleIndex || |
Douglas Gregor | ed2fc2a | 2013-03-22 21:26:48 +0000 | [diff] [blame] | 71 | (ModuleManager && ModuleManager->isGlobalIndexUnavailable() && |
| 72 | getFrontendOpts().GenerateGlobalModuleIndex)) && |
Douglas Gregor | 1a49d97 | 2013-01-25 01:03:03 +0000 | [diff] [blame] | 73 | !ModuleBuildFailed; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 74 | } |
| 75 | |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 76 | void CompilerInstance::setDiagnostics(DiagnosticsEngine *Value) { |
Douglas Gregor | 2801977 | 2010-04-05 23:52:57 +0000 | [diff] [blame] | 77 | Diagnostics = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 78 | } |
| 79 | |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 80 | void CompilerInstance::setTarget(TargetInfo *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 81 | Target = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | void CompilerInstance::setFileManager(FileManager *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 85 | FileMgr = Value; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 86 | if (Value) |
| 87 | VirtualFileSystem = Value->getVirtualFileSystem(); |
| 88 | else |
| 89 | VirtualFileSystem.reset(); |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 90 | } |
| 91 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 92 | void CompilerInstance::setSourceManager(SourceManager *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 93 | SourceMgr = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 94 | } |
| 95 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 96 | void CompilerInstance::setPreprocessor(Preprocessor *Value) { PP = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 97 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 98 | void CompilerInstance::setASTContext(ASTContext *Value) { Context = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 99 | |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 100 | void CompilerInstance::setSema(Sema *S) { |
| 101 | TheSema.reset(S); |
| 102 | } |
| 103 | |
Daniel Dunbar | 12ce694 | 2009-11-14 02:47:17 +0000 | [diff] [blame] | 104 | void CompilerInstance::setASTConsumer(ASTConsumer *Value) { |
| 105 | Consumer.reset(Value); |
| 106 | } |
| 107 | |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 108 | void CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { |
| 109 | CompletionConsumer.reset(Value); |
| 110 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 111 | |
| 112 | IntrusiveRefCntPtr<ASTReader> CompilerInstance::getModuleManager() const { |
| 113 | return ModuleManager; |
| 114 | } |
| 115 | void CompilerInstance::setModuleManager(IntrusiveRefCntPtr<ASTReader> Reader) { |
| 116 | ModuleManager = Reader; |
| 117 | } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 118 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 119 | std::shared_ptr<ModuleDependencyCollector> |
| 120 | CompilerInstance::getModuleDepCollector() const { |
| 121 | return ModuleDepCollector; |
| 122 | } |
| 123 | |
| 124 | void CompilerInstance::setModuleDepCollector( |
| 125 | std::shared_ptr<ModuleDependencyCollector> Collector) { |
| 126 | ModuleDepCollector = Collector; |
| 127 | } |
| 128 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 129 | // Diagnostics |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 130 | static void SetUpDiagnosticLog(DiagnosticOptions *DiagOpts, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 131 | const CodeGenOptions *CodeGenOpts, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 132 | DiagnosticsEngine &Diags) { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 133 | std::string ErrorInfo; |
| 134 | bool OwnsStream = false; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 135 | raw_ostream *OS = &llvm::errs(); |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 136 | if (DiagOpts->DiagnosticLogFile != "-") { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 137 | // Create the output stream. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 138 | llvm::raw_fd_ostream *FileOS(new llvm::raw_fd_ostream( |
| 139 | DiagOpts->DiagnosticLogFile.c_str(), ErrorInfo, |
| 140 | llvm::sys::fs::F_Append | llvm::sys::fs::F_Text)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 141 | if (!ErrorInfo.empty()) { |
| 142 | Diags.Report(diag::warn_fe_cc_log_diagnostics_failure) |
Sean Silva | d2ff76b | 2013-01-20 01:58:26 +0000 | [diff] [blame] | 143 | << DiagOpts->DiagnosticLogFile << ErrorInfo; |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 144 | } else { |
| 145 | FileOS->SetUnbuffered(); |
| 146 | FileOS->SetUseAtomicWrites(true); |
| 147 | OS = FileOS; |
| 148 | OwnsStream = true; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | // Chain in the diagnostic client which will log the diagnostics. |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 153 | LogDiagnosticPrinter *Logger = new LogDiagnosticPrinter(*OS, DiagOpts, |
| 154 | OwnsStream); |
| 155 | if (CodeGenOpts) |
| 156 | Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags); |
David Blaikie | 4e85b8a | 2011-09-26 00:21:47 +0000 | [diff] [blame] | 157 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 158 | } |
| 159 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 160 | static void SetupSerializedDiagnostics(DiagnosticOptions *DiagOpts, |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 161 | DiagnosticsEngine &Diags, |
| 162 | StringRef OutputFile) { |
| 163 | std::string ErrorInfo; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 164 | std::unique_ptr<llvm::raw_fd_ostream> OS; |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 165 | OS.reset(new llvm::raw_fd_ostream(OutputFile.str().c_str(), ErrorInfo, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 166 | llvm::sys::fs::F_None)); |
Rafael Espindola | d965f95 | 2013-07-16 19:44:23 +0000 | [diff] [blame] | 167 | |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 168 | if (!ErrorInfo.empty()) { |
| 169 | Diags.Report(diag::warn_fe_serialized_diag_failure) |
| 170 | << OutputFile << ErrorInfo; |
| 171 | return; |
| 172 | } |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 173 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 174 | DiagnosticConsumer *SerializedConsumer = |
| 175 | clang::serialized_diags::create(OS.release(), DiagOpts); |
| 176 | |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 177 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), |
| 178 | SerializedConsumer)); |
| 179 | } |
| 180 | |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 181 | void CompilerInstance::createDiagnostics(DiagnosticConsumer *Client, |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 182 | bool ShouldOwnClient) { |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 183 | Diagnostics = createDiagnostics(&getDiagnosticOpts(), Client, |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 184 | ShouldOwnClient, &getCodeGenOpts()); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 185 | } |
| 186 | |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 187 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 188 | CompilerInstance::createDiagnostics(DiagnosticOptions *Opts, |
David Blaikie | 78ad0b9 | 2011-09-25 23:39:51 +0000 | [diff] [blame] | 189 | DiagnosticConsumer *Client, |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 190 | bool ShouldOwnClient, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 191 | const CodeGenOptions *CodeGenOpts) { |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 192 | IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| 193 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 194 | Diags(new DiagnosticsEngine(DiagID, Opts)); |
Daniel Dunbar | 221c721 | 2009-11-14 07:53:24 +0000 | [diff] [blame] | 195 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 196 | // Create the diagnostic client for reporting errors or for |
| 197 | // implementing -verify. |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 198 | if (Client) { |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 199 | Diags->setClient(Client, ShouldOwnClient); |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 200 | } else |
Douglas Gregor | e47be3e | 2010-11-11 00:39:14 +0000 | [diff] [blame] | 201 | Diags->setClient(new TextDiagnosticPrinter(llvm::errs(), Opts)); |
Daniel Dunbar | f79dced | 2009-11-14 03:24:39 +0000 | [diff] [blame] | 202 | |
| 203 | // Chain in -verify checker, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 204 | if (Opts->VerifyDiagnostics) |
David Blaikie | 621bc69 | 2011-09-26 00:38:03 +0000 | [diff] [blame] | 205 | Diags->setClient(new VerifyDiagnosticConsumer(*Diags)); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 206 | |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 207 | // Chain in -diagnostic-log-file dumper, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 208 | if (!Opts->DiagnosticLogFile.empty()) |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 209 | SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 210 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 211 | if (!Opts->DiagnosticSerializationFile.empty()) |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 212 | SetupSerializedDiagnostics(Opts, *Diags, |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 213 | Opts->DiagnosticSerializationFile); |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 214 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 215 | // Configure our handling of diagnostics. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 216 | ProcessWarningOptions(*Diags, *Opts); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 217 | |
Douglas Gregor | 2801977 | 2010-04-05 23:52:57 +0000 | [diff] [blame] | 218 | return Diags; |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | // File Manager |
| 222 | |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 223 | void CompilerInstance::createFileManager() { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 224 | if (!hasVirtualFileSystem()) { |
| 225 | // TODO: choose the virtual file system based on the CompilerInvocation. |
| 226 | setVirtualFileSystem(vfs::getRealFileSystem()); |
| 227 | } |
| 228 | FileMgr = new FileManager(getFileSystemOpts(), VirtualFileSystem); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 229 | } |
| 230 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 231 | // Source Manager |
| 232 | |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 233 | void CompilerInstance::createSourceManager(FileManager &FileMgr) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 234 | SourceMgr = new SourceManager(getDiagnostics(), FileMgr); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 235 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 236 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 237 | // Initialize the remapping of files to alternative contents, e.g., |
| 238 | // those specified through other files. |
| 239 | static void InitializeFileRemapping(DiagnosticsEngine &Diags, |
| 240 | SourceManager &SourceMgr, |
| 241 | FileManager &FileMgr, |
| 242 | const PreprocessorOptions &InitOpts) { |
| 243 | // Remap files in the source manager (with buffers). |
| 244 | for (const auto &RB : InitOpts.RemappedFileBuffers) { |
| 245 | // Create the file entry for the file that we're mapping from. |
| 246 | const FileEntry *FromFile = |
| 247 | FileMgr.getVirtualFile(RB.first, RB.second->getBufferSize(), 0); |
| 248 | if (!FromFile) { |
| 249 | Diags.Report(diag::err_fe_remap_missing_from_file) << RB.first; |
| 250 | if (!InitOpts.RetainRemappedFileBuffers) |
| 251 | delete RB.second; |
| 252 | continue; |
| 253 | } |
| 254 | |
| 255 | // Override the contents of the "from" file with the contents of |
| 256 | // the "to" file. |
| 257 | SourceMgr.overrideFileContents(FromFile, RB.second, |
| 258 | InitOpts.RetainRemappedFileBuffers); |
| 259 | } |
| 260 | |
| 261 | // Remap files in the source manager (with other files). |
| 262 | for (const auto &RF : InitOpts.RemappedFiles) { |
| 263 | // Find the file that we're mapping to. |
| 264 | const FileEntry *ToFile = FileMgr.getFile(RF.second); |
| 265 | if (!ToFile) { |
| 266 | Diags.Report(diag::err_fe_remap_missing_to_file) << RF.first << RF.second; |
| 267 | continue; |
| 268 | } |
| 269 | |
| 270 | // Create the file entry for the file that we're mapping from. |
| 271 | const FileEntry *FromFile = |
| 272 | FileMgr.getVirtualFile(RF.first, ToFile->getSize(), 0); |
| 273 | if (!FromFile) { |
| 274 | Diags.Report(diag::err_fe_remap_missing_from_file) << RF.first; |
| 275 | continue; |
| 276 | } |
| 277 | |
| 278 | // Override the contents of the "from" file with the contents of |
| 279 | // the "to" file. |
| 280 | SourceMgr.overrideFileContents(FromFile, ToFile); |
| 281 | } |
| 282 | |
| 283 | SourceMgr.setOverridenFilesKeepOriginalName( |
| 284 | InitOpts.RemappedFilesKeepOriginalName); |
| 285 | } |
| 286 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 287 | // Preprocessor |
| 288 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 289 | void CompilerInstance::createPreprocessor(TranslationUnitKind TUKind) { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 290 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 291 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 292 | // Create a PTH manager if we are using some form of a token cache. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 293 | PTHManager *PTHMgr = nullptr; |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 294 | if (!PPOpts.TokenCache.empty()) |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 295 | PTHMgr = PTHManager::Create(PPOpts.TokenCache, getDiagnostics()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 296 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 297 | // Create the Preprocessor. |
Douglas Gregor | c042edd | 2012-10-24 16:19:39 +0000 | [diff] [blame] | 298 | HeaderSearch *HeaderInfo = new HeaderSearch(&getHeaderSearchOpts(), |
Manuel Klimek | ee0cd37 | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 299 | getSourceManager(), |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 300 | getDiagnostics(), |
Douglas Gregor | dc58aa7 | 2012-01-30 06:01:29 +0000 | [diff] [blame] | 301 | getLangOpts(), |
| 302 | &getTarget()); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 303 | PP = new Preprocessor(&getPreprocessorOpts(), getDiagnostics(), getLangOpts(), |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 304 | getSourceManager(), *HeaderInfo, *this, PTHMgr, |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 305 | /*OwnsHeaderSearch=*/true, TUKind); |
| 306 | PP->Initialize(getTarget()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 307 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 308 | // Note that this is different then passing PTHMgr to Preprocessor's ctor. |
| 309 | // That argument is used as the IdentifierInfoLookup argument to |
| 310 | // IdentifierTable's ctor. |
| 311 | if (PTHMgr) { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 312 | PTHMgr->setPreprocessor(&*PP); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 313 | PP->setPTHManager(PTHMgr); |
| 314 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 315 | |
Douglas Gregor | 94dc8f6 | 2010-03-19 16:15:56 +0000 | [diff] [blame] | 316 | if (PPOpts.DetailedRecord) |
Argyrios Kyrtzidis | 37ed127 | 2012-12-04 07:27:05 +0000 | [diff] [blame] | 317 | PP->createPreprocessingRecord(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 318 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 319 | // Apply remappings to the source manager. |
| 320 | InitializeFileRemapping(PP->getDiagnostics(), PP->getSourceManager(), |
| 321 | PP->getFileManager(), PPOpts); |
| 322 | |
| 323 | // Predefine macros and configure the preprocessor. |
| 324 | InitializePreprocessor(*PP, PPOpts, getFrontendOpts()); |
| 325 | |
| 326 | // Initialize the header search object. |
| 327 | ApplyHeaderSearchOptions(PP->getHeaderSearchInfo(), getHeaderSearchOpts(), |
| 328 | PP->getLangOpts(), PP->getTargetInfo().getTriple()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 329 | |
Jordan Rose | 74c2498 | 2013-01-30 01:52:57 +0000 | [diff] [blame] | 330 | PP->setPreprocessedOutput(getPreprocessorOutputOpts().ShowCPP); |
| 331 | |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 332 | // Set up the module path, including the hash for the |
| 333 | // module-creation options. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 334 | SmallString<256> SpecificModuleCache( |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 335 | getHeaderSearchOpts().ModuleCachePath); |
| 336 | if (!getHeaderSearchOpts().DisableModuleHash) |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 337 | llvm::sys::path::append(SpecificModuleCache, |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 338 | getInvocation().getModuleHash()); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 339 | PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 340 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 341 | // Handle generating dependencies, if requested. |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 342 | const DependencyOutputOptions &DepOpts = getDependencyOutputOpts(); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 343 | if (!DepOpts.OutputFile.empty()) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 344 | TheDependencyFileGenerator.reset( |
| 345 | DependencyFileGenerator::CreateAndAttachToPreprocessor(*PP, DepOpts)); |
Douglas Gregor | 773303a | 2012-02-02 23:45:13 +0000 | [diff] [blame] | 346 | if (!DepOpts.DOTOutputFile.empty()) |
| 347 | AttachDependencyGraphGen(*PP, DepOpts.DOTOutputFile, |
Douglas Gregor | c69a181 | 2012-02-02 00:54:52 +0000 | [diff] [blame] | 348 | getHeaderSearchOpts().Sysroot); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 349 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 350 | for (auto &Listener : DependencyCollectors) |
| 351 | Listener->attachToPreprocessor(*PP); |
| 352 | |
| 353 | // If we don't have a collector, but we are collecting module dependencies, |
| 354 | // then we're the top level compiler instance and need to create one. |
| 355 | if (!ModuleDepCollector && !DepOpts.ModuleDependencyOutputDir.empty()) |
| 356 | ModuleDepCollector = std::make_shared<ModuleDependencyCollector>( |
| 357 | DepOpts.ModuleDependencyOutputDir); |
Hans Wennborg | 708002e | 2013-08-09 00:32:23 +0000 | [diff] [blame] | 358 | |
Daniel Dunbar | eef63e0 | 2011-02-02 15:41:17 +0000 | [diff] [blame] | 359 | // Handle generating header include information, if requested. |
| 360 | if (DepOpts.ShowHeaderIncludes) |
| 361 | AttachHeaderIncludeGen(*PP); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 362 | if (!DepOpts.HeaderIncludeOutputFile.empty()) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 363 | StringRef OutputPath = DepOpts.HeaderIncludeOutputFile; |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 364 | if (OutputPath == "-") |
| 365 | OutputPath = ""; |
Daniel Dunbar | da60885 | 2011-03-21 19:37:38 +0000 | [diff] [blame] | 366 | AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/true, OutputPath, |
| 367 | /*ShowDepth=*/false); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 368 | } |
Hans Wennborg | 708002e | 2013-08-09 00:32:23 +0000 | [diff] [blame] | 369 | |
| 370 | if (DepOpts.PrintShowIncludes) { |
| 371 | AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/false, /*OutputPath=*/"", |
| 372 | /*ShowDepth=*/true, /*MSStyle=*/true); |
| 373 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 374 | } |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 375 | |
| 376 | // ASTContext |
| 377 | |
| 378 | void CompilerInstance::createASTContext() { |
| 379 | Preprocessor &PP = getPreprocessor(); |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 380 | Context = new ASTContext(getLangOpts(), PP.getSourceManager(), |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 381 | PP.getIdentifierTable(), PP.getSelectorTable(), |
| 382 | PP.getBuiltinInfo()); |
| 383 | Context->InitBuiltinTypes(getTarget()); |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 384 | } |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 385 | |
| 386 | // ExternalASTSource |
| 387 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 388 | void CompilerInstance::createPCHExternalASTSource( |
| 389 | StringRef Path, bool DisablePCHValidation, bool AllowPCHWithCompilerErrors, |
| 390 | void *DeserializationListener, bool OwnDeserializationListener) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 391 | IntrusiveRefCntPtr<ExternalASTSource> Source; |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 392 | bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 393 | Source = createPCHExternalASTSource( |
| 394 | Path, getHeaderSearchOpts().Sysroot, DisablePCHValidation, |
| 395 | AllowPCHWithCompilerErrors, getPreprocessor(), getASTContext(), |
| 396 | DeserializationListener, OwnDeserializationListener, Preamble, |
| 397 | getFrontendOpts().UseGlobalModuleIndex); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 398 | ModuleManager = static_cast<ASTReader*>(Source.get()); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 399 | getASTContext().setExternalSource(Source); |
| 400 | } |
| 401 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 402 | ExternalASTSource *CompilerInstance::createPCHExternalASTSource( |
| 403 | StringRef Path, const std::string &Sysroot, bool DisablePCHValidation, |
| 404 | bool AllowPCHWithCompilerErrors, Preprocessor &PP, ASTContext &Context, |
| 405 | void *DeserializationListener, bool OwnDeserializationListener, |
| 406 | bool Preamble, bool UseGlobalModuleIndex) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 407 | HeaderSearchOptions &HSOpts = PP.getHeaderSearchInfo().getHeaderSearchOpts(); |
| 408 | |
| 409 | std::unique_ptr<ASTReader> Reader; |
Douglas Gregor | f8a1e51 | 2011-09-02 00:26:20 +0000 | [diff] [blame] | 410 | Reader.reset(new ASTReader(PP, Context, |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 411 | Sysroot.empty() ? "" : Sysroot.c_str(), |
Argyrios Kyrtzidis | 4182ed6 | 2012-10-31 20:59:50 +0000 | [diff] [blame] | 412 | DisablePCHValidation, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 413 | AllowPCHWithCompilerErrors, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 414 | /*AllowConfigurationMismatch*/false, |
| 415 | HSOpts.ModulesValidateSystemHeaders, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 416 | UseGlobalModuleIndex)); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 417 | |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 418 | Reader->setDeserializationListener( |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 419 | static_cast<ASTDeserializationListener *>(DeserializationListener), |
| 420 | /*TakeOwnership=*/OwnDeserializationListener); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 421 | switch (Reader->ReadAST(Path, |
| 422 | Preamble ? serialization::MK_Preamble |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 423 | : serialization::MK_PCH, |
Argyrios Kyrtzidis | 958bcaf | 2012-11-15 18:57:22 +0000 | [diff] [blame] | 424 | SourceLocation(), |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 425 | ASTReader::ARR_None)) { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 426 | case ASTReader::Success: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 427 | // Set the predefines buffer as suggested by the PCH reader. Typically, the |
| 428 | // predefines buffer will be empty. |
| 429 | PP.setPredefines(Reader->getSuggestedPredefines()); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 430 | return Reader.release(); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 431 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 432 | case ASTReader::Failure: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 433 | // Unrecoverable failure: don't even try to process the input file. |
| 434 | break; |
| 435 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 436 | case ASTReader::Missing: |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 437 | case ASTReader::OutOfDate: |
| 438 | case ASTReader::VersionMismatch: |
| 439 | case ASTReader::ConfigurationMismatch: |
| 440 | case ASTReader::HadErrors: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 441 | // No suitable PCH file could be found. Return an error. |
| 442 | break; |
| 443 | } |
| 444 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 445 | return nullptr; |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 446 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 447 | |
| 448 | // Code Completion |
| 449 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 450 | static bool EnableCodeCompletion(Preprocessor &PP, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 451 | const std::string &Filename, |
| 452 | unsigned Line, |
| 453 | unsigned Column) { |
| 454 | // Tell the source manager to chop off the given file at a specific |
| 455 | // line and column. |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 456 | const FileEntry *Entry = PP.getFileManager().getFile(Filename); |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 457 | if (!Entry) { |
| 458 | PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) |
| 459 | << Filename; |
| 460 | return true; |
| 461 | } |
| 462 | |
| 463 | // Truncate the named file at the given line/column. |
| 464 | PP.SetCodeCompletionPoint(Entry, Line, Column); |
| 465 | return false; |
| 466 | } |
| 467 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 468 | void CompilerInstance::createCodeCompletionConsumer() { |
| 469 | const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 470 | if (!CompletionConsumer) { |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 471 | setCodeCompletionConsumer( |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 472 | createCodeCompletionConsumer(getPreprocessor(), |
| 473 | Loc.FileName, Loc.Line, Loc.Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 474 | getFrontendOpts().CodeCompleteOpts, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 475 | llvm::outs())); |
| 476 | if (!CompletionConsumer) |
| 477 | return; |
| 478 | } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName, |
| 479 | Loc.Line, Loc.Column)) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 480 | setCodeCompletionConsumer(nullptr); |
Douglas Gregor | c3d43b7 | 2010-03-16 06:04:47 +0000 | [diff] [blame] | 481 | return; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 482 | } |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 483 | |
| 484 | if (CompletionConsumer->isOutputBinary() && |
Rafael Espindola | a603569 | 2013-06-12 20:44:26 +0000 | [diff] [blame] | 485 | llvm::sys::ChangeStdoutToBinary()) { |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 486 | getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 487 | setCodeCompletionConsumer(nullptr); |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 488 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 489 | } |
| 490 | |
Kovarththanan Rajaratnam | f79bafa | 2009-11-29 09:57:35 +0000 | [diff] [blame] | 491 | void CompilerInstance::createFrontendTimer() { |
| 492 | FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); |
| 493 | } |
| 494 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 495 | CodeCompleteConsumer * |
| 496 | CompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, |
| 497 | const std::string &Filename, |
| 498 | unsigned Line, |
| 499 | unsigned Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 500 | const CodeCompleteOptions &Opts, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 501 | raw_ostream &OS) { |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 502 | if (EnableCodeCompletion(PP, Filename, Line, Column)) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 503 | return nullptr; |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 504 | |
| 505 | // Set up the creation routine for code-completion. |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 506 | return new PrintingCodeCompleteConsumer(Opts, OS); |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 507 | } |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 508 | |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 509 | void CompilerInstance::createSema(TranslationUnitKind TUKind, |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 510 | CodeCompleteConsumer *CompletionConsumer) { |
| 511 | TheSema.reset(new Sema(getPreprocessor(), getASTContext(), getASTConsumer(), |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 512 | TUKind, CompletionConsumer)); |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 513 | } |
| 514 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 515 | // Output Files |
| 516 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 517 | void CompilerInstance::addOutputFile(const OutputFile &OutFile) { |
| 518 | assert(OutFile.OS && "Attempt to add empty stream to output list!"); |
| 519 | OutputFiles.push_back(OutFile); |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 520 | } |
| 521 | |
Kovarththanan Rajaratnam | e51dd7b | 2010-03-06 12:07:48 +0000 | [diff] [blame] | 522 | void CompilerInstance::clearOutputFiles(bool EraseFiles) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 523 | for (std::list<OutputFile>::iterator |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 524 | it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 525 | delete it->OS; |
| 526 | if (!it->TempFilename.empty()) { |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 527 | if (EraseFiles) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 528 | llvm::sys::fs::remove(it->TempFilename); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 529 | } else { |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 530 | SmallString<128> NewOutFile(it->Filename); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 531 | |
Argyrios Kyrtzidis | 389db16 | 2010-11-03 22:45:23 +0000 | [diff] [blame] | 532 | // If '-working-directory' was passed, the output filename should be |
| 533 | // relative to that. |
Anders Carlsson | 2e2468e | 2011-03-14 01:13:54 +0000 | [diff] [blame] | 534 | FileMgr->FixupRelativePath(NewOutFile); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 535 | if (std::error_code ec = |
| 536 | llvm::sys::fs::rename(it->TempFilename, NewOutFile.str())) { |
Manuel Klimek | 832a2aa | 2012-05-16 20:55:58 +0000 | [diff] [blame] | 537 | getDiagnostics().Report(diag::err_unable_to_rename_temp) |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 538 | << it->TempFilename << it->Filename << ec.message(); |
| 539 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 540 | llvm::sys::fs::remove(it->TempFilename); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 541 | } |
| 542 | } |
| 543 | } else if (!it->Filename.empty() && EraseFiles) |
Rafael Espindola | 48955f8 | 2013-06-26 04:32:59 +0000 | [diff] [blame] | 544 | llvm::sys::fs::remove(it->Filename); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 545 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 546 | } |
| 547 | OutputFiles.clear(); |
| 548 | } |
| 549 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 550 | llvm::raw_fd_ostream * |
| 551 | CompilerInstance::createDefaultOutputFile(bool Binary, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 552 | StringRef InFile, |
| 553 | StringRef Extension) { |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 554 | return createOutputFile(getFrontendOpts().OutputFile, Binary, |
Daniel Dunbar | e21dd28 | 2012-03-03 00:36:06 +0000 | [diff] [blame] | 555 | /*RemoveFileOnSignal=*/true, InFile, Extension, |
| 556 | /*UseTemporary=*/true); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 557 | } |
| 558 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 559 | llvm::raw_null_ostream *CompilerInstance::createNullOutputFile() { |
| 560 | llvm::raw_null_ostream *OS = new llvm::raw_null_ostream(); |
| 561 | addOutputFile(OutputFile("", "", OS)); |
| 562 | return OS; |
| 563 | } |
| 564 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 565 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 566 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 567 | bool Binary, bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 568 | StringRef InFile, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 569 | StringRef Extension, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 570 | bool UseTemporary, |
| 571 | bool CreateMissingDirectories) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 572 | std::string Error, OutputPathName, TempPathName; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 573 | llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 574 | RemoveFileOnSignal, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 575 | InFile, Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 576 | UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 577 | CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 578 | &OutputPathName, |
| 579 | &TempPathName); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 580 | if (!OS) { |
Daniel Dunbar | 3604359 | 2009-12-03 09:13:30 +0000 | [diff] [blame] | 581 | getDiagnostics().Report(diag::err_fe_unable_to_open_output) |
| 582 | << OutputPath << Error; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 583 | return nullptr; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 584 | } |
| 585 | |
| 586 | // Add the output file -- but don't try to remove "-", since this means we are |
| 587 | // using stdin. |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 588 | addOutputFile(OutputFile((OutputPathName != "-") ? OutputPathName : "", |
| 589 | TempPathName, OS)); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 590 | |
| 591 | return OS; |
| 592 | } |
| 593 | |
| 594 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 595 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 596 | std::string &Error, |
| 597 | bool Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 598 | bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 599 | StringRef InFile, |
| 600 | StringRef Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 601 | bool UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 602 | bool CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 603 | std::string *ResultPathName, |
| 604 | std::string *TempPathName) { |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 605 | assert((!CreateMissingDirectories || UseTemporary) && |
| 606 | "CreateMissingDirectories is only allowed when using temporary files"); |
| 607 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 608 | std::string OutFile, TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 609 | if (!OutputPath.empty()) { |
| 610 | OutFile = OutputPath; |
| 611 | } else if (InFile == "-") { |
| 612 | OutFile = "-"; |
| 613 | } else if (!Extension.empty()) { |
Rafael Espindola | 48955f8 | 2013-06-26 04:32:59 +0000 | [diff] [blame] | 614 | SmallString<128> Path(InFile); |
| 615 | llvm::sys::path::replace_extension(Path, Extension); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 616 | OutFile = Path.str(); |
| 617 | } else { |
| 618 | OutFile = "-"; |
| 619 | } |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 620 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 621 | std::unique_ptr<llvm::raw_fd_ostream> OS; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 622 | std::string OSFile; |
| 623 | |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 624 | if (UseTemporary) { |
| 625 | if (OutFile == "-") |
| 626 | UseTemporary = false; |
| 627 | else { |
| 628 | llvm::sys::fs::file_status Status; |
| 629 | llvm::sys::fs::status(OutputPath, Status); |
| 630 | if (llvm::sys::fs::exists(Status)) { |
| 631 | // Fail early if we can't write to the final destination. |
| 632 | if (!llvm::sys::fs::can_write(OutputPath)) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 633 | return nullptr; |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 634 | |
| 635 | // Don't use a temporary if the output is a special file. This handles |
| 636 | // things like '-o /dev/null' |
| 637 | if (!llvm::sys::fs::is_regular_file(Status)) |
| 638 | UseTemporary = false; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 639 | } |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 640 | } |
| 641 | } |
| 642 | |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 643 | if (UseTemporary) { |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 644 | // Create a temporary file. |
| 645 | SmallString<128> TempPath; |
| 646 | TempPath = OutFile; |
| 647 | TempPath += "-%%%%%%%%"; |
| 648 | int fd; |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 649 | std::error_code EC = |
Rafael Espindola | 70e7aec | 2013-07-05 21:13:58 +0000 | [diff] [blame] | 650 | llvm::sys::fs::createUniqueFile(TempPath.str(), fd, TempPath); |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 651 | |
| 652 | if (CreateMissingDirectories && |
Rafael Espindola | abab183 | 2013-07-05 14:15:24 +0000 | [diff] [blame] | 653 | EC == llvm::errc::no_such_file_or_directory) { |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 654 | StringRef Parent = llvm::sys::path::parent_path(OutputPath); |
| 655 | EC = llvm::sys::fs::create_directories(Parent); |
| 656 | if (!EC) { |
Rafael Espindola | 70e7aec | 2013-07-05 21:13:58 +0000 | [diff] [blame] | 657 | EC = llvm::sys::fs::createUniqueFile(TempPath.str(), fd, TempPath); |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 658 | } |
| 659 | } |
| 660 | |
| 661 | if (!EC) { |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 662 | OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true)); |
| 663 | OSFile = TempFile = TempPath.str(); |
| 664 | } |
| 665 | // If we failed to create the temporary, fallback to writing to the file |
| 666 | // directly. This handles the corner case where we cannot write to the |
| 667 | // directory, but can write to the file. |
| 668 | } |
| 669 | |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 670 | if (!OS) { |
| 671 | OSFile = OutFile; |
Rafael Espindola | d965f95 | 2013-07-16 19:44:23 +0000 | [diff] [blame] | 672 | OS.reset(new llvm::raw_fd_ostream( |
| 673 | OSFile.c_str(), Error, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 674 | (Binary ? llvm::sys::fs::F_None : llvm::sys::fs::F_Text))); |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 675 | if (!Error.empty()) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 676 | return nullptr; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 677 | } |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 678 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 679 | // Make sure the out stream file gets removed if we crash. |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 680 | if (RemoveFileOnSignal) |
Rafael Espindola | 6f2e23b | 2013-06-13 21:02:40 +0000 | [diff] [blame] | 681 | llvm::sys::RemoveFileOnSignal(OSFile); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 682 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 683 | if (ResultPathName) |
| 684 | *ResultPathName = OutFile; |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 685 | if (TempPathName) |
| 686 | *TempPathName = TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 687 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 688 | return OS.release(); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 689 | } |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 690 | |
| 691 | // Initialization Utilities |
| 692 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 693 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input){ |
| 694 | return InitializeSourceManager(Input, getDiagnostics(), |
Douglas Gregor | a1f1fad | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 695 | getFileManager(), getSourceManager(), |
| 696 | getFrontendOpts()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 697 | } |
| 698 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 699 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 700 | DiagnosticsEngine &Diags, |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 701 | FileManager &FileMgr, |
| 702 | SourceManager &SourceMgr, |
| 703 | const FrontendOptions &Opts) { |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 704 | SrcMgr::CharacteristicKind |
Argyrios Kyrtzidis | 8616f9a | 2012-11-09 19:40:39 +0000 | [diff] [blame] | 705 | Kind = Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User; |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 706 | |
Argyrios Kyrtzidis | ecd27bf | 2012-11-09 19:40:45 +0000 | [diff] [blame] | 707 | if (Input.isBuffer()) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 708 | SourceMgr.setMainFileID(SourceMgr.createFileID(Input.getBuffer(), Kind)); |
Argyrios Kyrtzidis | ecd27bf | 2012-11-09 19:40:45 +0000 | [diff] [blame] | 709 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 710 | "Couldn't establish MainFileID!"); |
| 711 | return true; |
| 712 | } |
| 713 | |
| 714 | StringRef InputFile = Input.getFile(); |
| 715 | |
Argyrios Kyrtzidis | 507097e | 2011-09-19 20:40:35 +0000 | [diff] [blame] | 716 | // Figure out where to get and map in the main file. |
| 717 | if (InputFile != "-") { |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 718 | const FileEntry *File = FileMgr.getFile(InputFile, /*OpenFile=*/true); |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 719 | if (!File) { |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 720 | Diags.Report(diag::err_fe_error_reading) << InputFile; |
| 721 | return false; |
| 722 | } |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 723 | |
| 724 | // The natural SourceManager infrastructure can't currently handle named |
| 725 | // pipes, but we would at least like to accept them for the main |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 726 | // file. Detect them here, read them with the volatile flag so FileMgr will |
| 727 | // pick up the correct size, and simply override their contents as we do for |
| 728 | // STDIN. |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 729 | if (File->isNamedPipe()) { |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 730 | std::string ErrorStr; |
| 731 | if (llvm::MemoryBuffer *MB = |
| 732 | FileMgr.getBufferForFile(File, &ErrorStr, /*isVolatile=*/true)) { |
| 733 | // Create a new virtual file that will have the correct size. |
| 734 | File = FileMgr.getVirtualFile(InputFile, MB->getBufferSize(), 0); |
| 735 | SourceMgr.overrideFileContents(File, MB); |
| 736 | } else { |
| 737 | Diags.Report(diag::err_cannot_open_file) << InputFile << ErrorStr; |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 738 | return false; |
| 739 | } |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 740 | } |
Daniel Dunbar | acf3612 | 2012-11-27 00:04:16 +0000 | [diff] [blame] | 741 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 742 | SourceMgr.setMainFileID( |
| 743 | SourceMgr.createFileID(File, SourceLocation(), Kind)); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 744 | } else { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 745 | llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> SBOrErr = |
| 746 | llvm::MemoryBuffer::getSTDIN(); |
| 747 | if (std::error_code EC = SBOrErr.getError()) { |
| 748 | Diags.Report(diag::err_fe_error_reading_stdin) << EC.message(); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 749 | return false; |
| 750 | } |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 751 | std::unique_ptr<llvm::MemoryBuffer> SB = std::move(SBOrErr.get()); |
| 752 | |
Dan Gohman | 90d9081 | 2010-10-26 23:21:25 +0000 | [diff] [blame] | 753 | const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(), |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 754 | SB->getBufferSize(), 0); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 755 | SourceMgr.setMainFileID( |
| 756 | SourceMgr.createFileID(File, SourceLocation(), Kind)); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 757 | SourceMgr.overrideFileContents(File, SB.release()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 758 | } |
| 759 | |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 760 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 761 | "Couldn't establish MainFileID!"); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 762 | return true; |
| 763 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 764 | |
| 765 | // High-Level Operations |
| 766 | |
| 767 | bool CompilerInstance::ExecuteAction(FrontendAction &Act) { |
| 768 | assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); |
| 769 | assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); |
| 770 | assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); |
| 771 | |
| 772 | // FIXME: Take this as an argument, once all the APIs we used have moved to |
| 773 | // taking it as an input instead of hard-coding llvm::errs. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 774 | raw_ostream &OS = llvm::errs(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 775 | |
| 776 | // Create the target instance. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 777 | setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), |
| 778 | getInvocation().TargetOpts)); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 779 | if (!hasTarget()) |
| 780 | return false; |
| 781 | |
| 782 | // Inform the target of the language options. |
| 783 | // |
| 784 | // FIXME: We shouldn't need to do this, the target should be immutable once |
| 785 | // created. This complexity should be lifted elsewhere. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 786 | getTarget().adjust(getLangOpts()); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 787 | |
Fariborz Jahanian | 93a4994 | 2012-04-16 21:03:30 +0000 | [diff] [blame] | 788 | // rewriter project will change target built-in bool type from its default. |
| 789 | if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) |
| 790 | getTarget().noSignedCharForObjCBool(); |
| 791 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 792 | // Validate/process some options. |
| 793 | if (getHeaderSearchOpts().Verbose) |
| 794 | OS << "clang -cc1 version " CLANG_VERSION_STRING |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 795 | << " based upon " << BACKEND_PACKAGE_STRING |
Sebastian Pop | 5d8b954 | 2011-11-01 21:33:06 +0000 | [diff] [blame] | 796 | << " default target " << llvm::sys::getDefaultTargetTriple() << "\n"; |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 797 | |
| 798 | if (getFrontendOpts().ShowTimers) |
| 799 | createFrontendTimer(); |
| 800 | |
Douglas Gregor | 95dd558 | 2010-03-30 17:33:59 +0000 | [diff] [blame] | 801 | if (getFrontendOpts().ShowStats) |
| 802 | llvm::EnableStatistics(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 803 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 804 | for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 805 | // Reset the ID tables if we are reusing the SourceManager. |
| 806 | if (hasSourceManager()) |
| 807 | getSourceManager().clearIDTables(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 808 | |
Douglas Gregor | 1f6b2b5 | 2012-01-20 16:28:04 +0000 | [diff] [blame] | 809 | if (Act.BeginSourceFile(*this, getFrontendOpts().Inputs[i])) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 810 | Act.Execute(); |
| 811 | Act.EndSourceFile(); |
| 812 | } |
| 813 | } |
| 814 | |
Argyrios Kyrtzidis | 29f2787 | 2011-12-07 05:52:12 +0000 | [diff] [blame] | 815 | // Notify the diagnostic client that all files were processed. |
| 816 | getDiagnostics().getClient()->finish(); |
| 817 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 818 | if (getDiagnosticOpts().ShowCarets) { |
Argyrios Kyrtzidis | f2224d8 | 2010-11-18 20:06:46 +0000 | [diff] [blame] | 819 | // We can have multiple diagnostics sharing one diagnostic client. |
| 820 | // Get the total number of warnings/errors from the client. |
| 821 | unsigned NumWarnings = getDiagnostics().getClient()->getNumWarnings(); |
| 822 | unsigned NumErrors = getDiagnostics().getClient()->getNumErrors(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 823 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 824 | if (NumWarnings) |
| 825 | OS << NumWarnings << " warning" << (NumWarnings == 1 ? "" : "s"); |
| 826 | if (NumWarnings && NumErrors) |
| 827 | OS << " and "; |
| 828 | if (NumErrors) |
| 829 | OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s"); |
| 830 | if (NumWarnings || NumErrors) |
| 831 | OS << " generated.\n"; |
| 832 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 833 | |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 834 | if (getFrontendOpts().ShowStats && hasFileManager()) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 835 | getFileManager().PrintStats(); |
| 836 | OS << "\n"; |
| 837 | } |
| 838 | |
Argyrios Kyrtzidis | ab41b97 | 2010-11-18 21:13:57 +0000 | [diff] [blame] | 839 | return !getDiagnostics().getClient()->getNumErrors(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 840 | } |
| 841 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 842 | /// \brief Determine the appropriate source input kind based on language |
| 843 | /// options. |
| 844 | static InputKind getSourceInputKindFromOptions(const LangOptions &LangOpts) { |
| 845 | if (LangOpts.OpenCL) |
| 846 | return IK_OpenCL; |
| 847 | if (LangOpts.CUDA) |
| 848 | return IK_CUDA; |
| 849 | if (LangOpts.ObjC1) |
| 850 | return LangOpts.CPlusPlus? IK_ObjCXX : IK_ObjC; |
| 851 | return LangOpts.CPlusPlus? IK_CXX : IK_C; |
| 852 | } |
| 853 | |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 854 | /// \brief Compile a module file for the given module, using the options |
| 855 | /// provided by the importing compiler instance. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 856 | static void compileModuleImpl(CompilerInstance &ImportingInstance, |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 857 | SourceLocation ImportLoc, |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 858 | Module *Module, |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 859 | StringRef ModuleFileName) { |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 860 | ModuleMap &ModMap |
| 861 | = ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap(); |
| 862 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 863 | // Construct a compiler invocation for creating this module. |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 864 | IntrusiveRefCntPtr<CompilerInvocation> Invocation |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 865 | (new CompilerInvocation(ImportingInstance.getInvocation())); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 866 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 867 | PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts(); |
| 868 | |
Douglas Gregor | b2d39c2 | 2011-09-15 20:53:28 +0000 | [diff] [blame] | 869 | // For any options that aren't intended to affect how a module is built, |
| 870 | // reset them to their default values. |
Ted Kremenek | d3b74d9 | 2011-11-17 23:01:24 +0000 | [diff] [blame] | 871 | Invocation->getLangOpts()->resetNonModularOptions(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 872 | PPOpts.resetNonModularOptions(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 873 | |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 874 | // Remove any macro definitions that are explicitly ignored by the module. |
| 875 | // They aren't supposed to affect how the module is built anyway. |
| 876 | const HeaderSearchOptions &HSOpts = Invocation->getHeaderSearchOpts(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 877 | PPOpts.Macros.erase( |
| 878 | std::remove_if(PPOpts.Macros.begin(), PPOpts.Macros.end(), |
| 879 | [&HSOpts](const std::pair<std::string, bool> &def) { |
| 880 | StringRef MacroDef = def.first; |
| 881 | return HSOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first) > 0; |
| 882 | }), |
| 883 | PPOpts.Macros.end()); |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 884 | |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 885 | // Note the name of the module we're building. |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 886 | Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName(); |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 887 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 888 | // Make sure that the failed-module structure has been allocated in |
| 889 | // the importing instance, and propagate the pointer to the newly-created |
| 890 | // instance. |
| 891 | PreprocessorOptions &ImportingPPOpts |
| 892 | = ImportingInstance.getInvocation().getPreprocessorOpts(); |
| 893 | if (!ImportingPPOpts.FailedModules) |
| 894 | ImportingPPOpts.FailedModules = new PreprocessorOptions::FailedModulesSet; |
| 895 | PPOpts.FailedModules = ImportingPPOpts.FailedModules; |
| 896 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 897 | // If there is a module map file, build the module using the module map. |
Douglas Gregor | b2d39c2 | 2011-09-15 20:53:28 +0000 | [diff] [blame] | 898 | // Set up the inputs/outputs so that we build the module from its umbrella |
| 899 | // header. |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 900 | FrontendOptions &FrontendOpts = Invocation->getFrontendOpts(); |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 901 | FrontendOpts.OutputFile = ModuleFileName.str(); |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 902 | FrontendOpts.DisableFree = false; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 903 | FrontendOpts.GenerateGlobalModuleIndex = false; |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 904 | FrontendOpts.Inputs.clear(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 905 | InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 906 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 907 | // Don't free the remapped file buffers; they are owned by our caller. |
| 908 | PPOpts.RetainRemappedFileBuffers = true; |
| 909 | |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 910 | Invocation->getDiagnosticOpts().VerifyDiagnostics = 0; |
Douglas Gregor | 76d991e | 2011-09-13 23:20:27 +0000 | [diff] [blame] | 911 | assert(ImportingInstance.getInvocation().getModuleHash() == |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 912 | Invocation->getModuleHash() && "Module hash mismatch!"); |
| 913 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 914 | // Construct a compiler instance that will be used to actually create the |
| 915 | // module. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 916 | CompilerInstance Instance(/*BuildingModule=*/true); |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 917 | Instance.setInvocation(&*Invocation); |
Douglas Gregor | a4a90ca | 2013-05-03 22:58:43 +0000 | [diff] [blame] | 918 | |
| 919 | Instance.createDiagnostics(new ForwardingDiagnosticConsumer( |
| 920 | ImportingInstance.getDiagnosticClient()), |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 921 | /*ShouldOwnClient=*/true); |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 922 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 923 | Instance.setVirtualFileSystem(&ImportingInstance.getVirtualFileSystem()); |
| 924 | |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 925 | // Note that this module is part of the module build stack, so that we |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 926 | // can detect cycles in the module graph. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 927 | Instance.setFileManager(&ImportingInstance.getFileManager()); |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 928 | Instance.createSourceManager(Instance.getFileManager()); |
| 929 | SourceManager &SourceMgr = Instance.getSourceManager(); |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 930 | SourceMgr.setModuleBuildStack( |
| 931 | ImportingInstance.getSourceManager().getModuleBuildStack()); |
| 932 | SourceMgr.pushModuleBuildStack(Module->getTopLevelModuleName(), |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 933 | FullSourceLoc(ImportLoc, ImportingInstance.getSourceManager())); |
| 934 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 935 | // If we're collecting module dependencies, we need to share a collector |
| 936 | // between all of the module CompilerInstances. |
| 937 | Instance.setModuleDepCollector(ImportingInstance.getModuleDepCollector()); |
| 938 | |
Manuel Klimek | ee0cd37 | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 939 | // Get or create the module map that we'll use to build this module. |
| 940 | std::string InferredModuleMapContent; |
| 941 | if (const FileEntry *ModuleMapFile = |
| 942 | ModMap.getContainingModuleMapFile(Module)) { |
| 943 | // Use the module map where this module resides. |
| 944 | FrontendOpts.Inputs.push_back( |
| 945 | FrontendInputFile(ModuleMapFile->getName(), IK)); |
| 946 | } else { |
| 947 | llvm::raw_string_ostream OS(InferredModuleMapContent); |
| 948 | Module->print(OS); |
| 949 | OS.flush(); |
| 950 | FrontendOpts.Inputs.push_back( |
| 951 | FrontendInputFile("__inferred_module.map", IK)); |
| 952 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 953 | llvm::MemoryBuffer *ModuleMapBuffer = |
Manuel Klimek | ee0cd37 | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 954 | llvm::MemoryBuffer::getMemBuffer(InferredModuleMapContent); |
| 955 | ModuleMapFile = Instance.getFileManager().getVirtualFile( |
| 956 | "__inferred_module.map", InferredModuleMapContent.size(), 0); |
| 957 | SourceMgr.overrideFileContents(ModuleMapFile, ModuleMapBuffer); |
| 958 | } |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 959 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 960 | // Construct a module-generating action. Passing through Module->ModuleMap is |
| 961 | // safe because the FileManager is shared between the compiler instances. |
| 962 | GenerateModuleAction CreateModuleAction(Module->ModuleMap, Module->IsSystem); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 963 | |
Douglas Gregor | 0ced799 | 2011-10-04 00:21:21 +0000 | [diff] [blame] | 964 | // Execute the action to actually build the module in-place. Use a separate |
| 965 | // thread so that we get a stack large enough. |
| 966 | const unsigned ThreadStackSize = 8 << 20; |
| 967 | llvm::CrashRecoveryContext CRC; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 968 | CRC.RunSafelyOnThread([&]() { Instance.ExecuteAction(CreateModuleAction); }, |
| 969 | ThreadStackSize); |
Douglas Gregor | a4a90ca | 2013-05-03 22:58:43 +0000 | [diff] [blame] | 970 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 971 | // Delete the temporary module map file. |
| 972 | // FIXME: Even though we're executing under crash protection, it would still |
| 973 | // be nice to do this with RemoveFileOnSignal when we can. However, that |
| 974 | // doesn't make sense for all clients, so clean this up manually. |
Benjamin Kramer | a2e9489 | 2012-10-14 19:50:53 +0000 | [diff] [blame] | 975 | Instance.clearOutputFiles(/*EraseFiles=*/true); |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 976 | |
| 977 | // We've rebuilt a module. If we're allowed to generate or update the global |
| 978 | // module index, record that fact in the importing compiler instance. |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 979 | if (ImportingInstance.getFrontendOpts().GenerateGlobalModuleIndex) { |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 980 | ImportingInstance.setBuildGlobalModuleIndex(true); |
| 981 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 982 | } |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 983 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 984 | static bool compileAndLoadModule(CompilerInstance &ImportingInstance, |
| 985 | SourceLocation ImportLoc, |
| 986 | SourceLocation ModuleNameLoc, |
| 987 | Module *Module, |
| 988 | StringRef ModuleFileName) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 989 | // FIXME: have LockFileManager return an error_code so that we can |
| 990 | // avoid the mkdir when the directory already exists. |
| 991 | StringRef Dir = llvm::sys::path::parent_path(ModuleFileName); |
| 992 | llvm::sys::fs::create_directories(Dir); |
| 993 | |
| 994 | while (1) { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 995 | unsigned ModuleLoadCapabilities = ASTReader::ARR_Missing; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 996 | llvm::LockFileManager Locked(ModuleFileName); |
| 997 | switch (Locked) { |
| 998 | case llvm::LockFileManager::LFS_Error: |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 999 | return false; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1000 | |
| 1001 | case llvm::LockFileManager::LFS_Owned: |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1002 | // We're responsible for building the module ourselves. |
| 1003 | // FIXME: if there are errors, don't attempt to load the module. |
| 1004 | compileModuleImpl(ImportingInstance, ModuleNameLoc, Module, |
| 1005 | ModuleFileName); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1006 | break; |
| 1007 | |
| 1008 | case llvm::LockFileManager::LFS_Shared: |
| 1009 | // Someone else is responsible for building the module. Wait for them to |
| 1010 | // finish. |
| 1011 | if (Locked.waitForUnlock() == llvm::LockFileManager::Res_OwnerDied) |
| 1012 | continue; // try again to get the lock. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1013 | ModuleLoadCapabilities |= ASTReader::ARR_OutOfDate; |
| 1014 | break; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1015 | } |
| 1016 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1017 | // Try to read the module file, now that we've compiled it. |
| 1018 | ASTReader::ASTReadResult ReadResult = |
| 1019 | ImportingInstance.getModuleManager()->ReadAST( |
| 1020 | ModuleFileName, serialization::MK_Module, ImportLoc, |
| 1021 | ModuleLoadCapabilities); |
| 1022 | |
| 1023 | if (ReadResult == ASTReader::OutOfDate && |
| 1024 | Locked == llvm::LockFileManager::LFS_Shared) { |
| 1025 | // The module may be out of date in the presence of file system races, |
| 1026 | // or if one of its imports depends on header search paths that are not |
| 1027 | // consistent with this ImportingInstance. Try again... |
| 1028 | continue; |
| 1029 | } else if (ReadResult == ASTReader::Missing) { |
| 1030 | ImportingInstance.getDiagnostics().Report(ModuleNameLoc, |
| 1031 | diag::err_module_not_built) |
| 1032 | << Module->Name << SourceRange(ImportLoc, ModuleNameLoc); |
| 1033 | } |
| 1034 | return ReadResult == ASTReader::Success; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1035 | } |
| 1036 | } |
| 1037 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1038 | /// \brief Diagnose differences between the current definition of the given |
| 1039 | /// configuration macro and the definition provided on the command line. |
| 1040 | static void checkConfigMacro(Preprocessor &PP, StringRef ConfigMacro, |
| 1041 | Module *Mod, SourceLocation ImportLoc) { |
| 1042 | IdentifierInfo *Id = PP.getIdentifierInfo(ConfigMacro); |
| 1043 | SourceManager &SourceMgr = PP.getSourceManager(); |
| 1044 | |
| 1045 | // If this identifier has never had a macro definition, then it could |
| 1046 | // not have changed. |
| 1047 | if (!Id->hadMacroDefinition()) |
| 1048 | return; |
| 1049 | |
| 1050 | // If this identifier does not currently have a macro definition, |
| 1051 | // check whether it had one on the command line. |
| 1052 | if (!Id->hasMacroDefinition()) { |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1053 | MacroDirective::DefInfo LatestDef = |
| 1054 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 1055 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 1056 | Def = Def.getPreviousDefinition()) { |
| 1057 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1058 | if (FID.isInvalid()) |
| 1059 | continue; |
| 1060 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1061 | // We only care about the predefines buffer. |
Douglas Gregor | 670b2e6 | 2013-04-03 03:16:36 +0000 | [diff] [blame] | 1062 | if (FID != PP.getPredefinesFileID()) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1063 | continue; |
| 1064 | |
| 1065 | // This macro was defined on the command line, then #undef'd later. |
| 1066 | // Complain. |
| 1067 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 1068 | << true << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1069 | if (LatestDef.isUndefined()) |
| 1070 | PP.Diag(LatestDef.getUndefLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1071 | << true; |
| 1072 | return; |
| 1073 | } |
| 1074 | |
| 1075 | // Okay: no definition in the predefines buffer. |
| 1076 | return; |
| 1077 | } |
| 1078 | |
| 1079 | // This identifier has a macro definition. Check whether we had a definition |
| 1080 | // on the command line. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1081 | MacroDirective::DefInfo LatestDef = |
| 1082 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 1083 | MacroDirective::DefInfo PredefinedDef; |
| 1084 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 1085 | Def = Def.getPreviousDefinition()) { |
| 1086 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1087 | if (FID.isInvalid()) |
| 1088 | continue; |
| 1089 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1090 | // We only care about the predefines buffer. |
Douglas Gregor | 670b2e6 | 2013-04-03 03:16:36 +0000 | [diff] [blame] | 1091 | if (FID != PP.getPredefinesFileID()) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1092 | continue; |
| 1093 | |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1094 | PredefinedDef = Def; |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1095 | break; |
| 1096 | } |
| 1097 | |
| 1098 | // If there was no definition for this macro in the predefines buffer, |
| 1099 | // complain. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1100 | if (!PredefinedDef || |
| 1101 | (!PredefinedDef.getLocation().isValid() && |
| 1102 | PredefinedDef.getUndefLocation().isValid())) { |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1103 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 1104 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1105 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1106 | << false; |
| 1107 | return; |
| 1108 | } |
| 1109 | |
| 1110 | // If the current macro definition is the same as the predefined macro |
| 1111 | // definition, it's okay. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1112 | if (LatestDef.getMacroInfo() == PredefinedDef.getMacroInfo() || |
Argyrios Kyrtzidis | bd25ff8 | 2013-04-03 17:39:30 +0000 | [diff] [blame] | 1113 | LatestDef.getMacroInfo()->isIdenticalTo(*PredefinedDef.getMacroInfo(),PP, |
| 1114 | /*Syntactically=*/true)) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1115 | return; |
| 1116 | |
| 1117 | // The macro definitions differ. |
| 1118 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 1119 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1120 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1121 | << false; |
| 1122 | } |
| 1123 | |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1124 | /// \brief Write a new timestamp file with the given path. |
| 1125 | static void writeTimestampFile(StringRef TimestampFile) { |
| 1126 | std::string ErrorInfo; |
| 1127 | llvm::raw_fd_ostream Out(TimestampFile.str().c_str(), ErrorInfo, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1128 | llvm::sys::fs::F_None); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1129 | } |
| 1130 | |
| 1131 | /// \brief Prune the module cache of modules that haven't been accessed in |
| 1132 | /// a long time. |
| 1133 | static void pruneModuleCache(const HeaderSearchOptions &HSOpts) { |
| 1134 | struct stat StatBuf; |
| 1135 | llvm::SmallString<128> TimestampFile; |
| 1136 | TimestampFile = HSOpts.ModuleCachePath; |
| 1137 | llvm::sys::path::append(TimestampFile, "modules.timestamp"); |
| 1138 | |
| 1139 | // Try to stat() the timestamp file. |
| 1140 | if (::stat(TimestampFile.c_str(), &StatBuf)) { |
| 1141 | // If the timestamp file wasn't there, create one now. |
| 1142 | if (errno == ENOENT) { |
| 1143 | writeTimestampFile(TimestampFile); |
| 1144 | } |
| 1145 | return; |
| 1146 | } |
| 1147 | |
| 1148 | // Check whether the time stamp is older than our pruning interval. |
| 1149 | // If not, do nothing. |
| 1150 | time_t TimeStampModTime = StatBuf.st_mtime; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1151 | time_t CurrentTime = time(nullptr); |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame] | 1152 | if (CurrentTime - TimeStampModTime <= time_t(HSOpts.ModuleCachePruneInterval)) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1153 | return; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1154 | |
| 1155 | // Write a new timestamp file so that nobody else attempts to prune. |
| 1156 | // There is a benign race condition here, if two Clang instances happen to |
| 1157 | // notice at the same time that the timestamp is out-of-date. |
| 1158 | writeTimestampFile(TimestampFile); |
| 1159 | |
| 1160 | // Walk the entire module cache, looking for unused module files and module |
| 1161 | // indices. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1162 | std::error_code EC; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1163 | SmallString<128> ModuleCachePathNative; |
| 1164 | llvm::sys::path::native(HSOpts.ModuleCachePath, ModuleCachePathNative); |
| 1165 | for (llvm::sys::fs::directory_iterator |
| 1166 | Dir(ModuleCachePathNative.str(), EC), DirEnd; |
| 1167 | Dir != DirEnd && !EC; Dir.increment(EC)) { |
| 1168 | // If we don't have a directory, there's nothing to look into. |
Rafael Espindola | b470d1a | 2013-07-17 04:23:07 +0000 | [diff] [blame] | 1169 | if (!llvm::sys::fs::is_directory(Dir->path())) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1170 | continue; |
| 1171 | |
| 1172 | // Walk all of the files within this directory. |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1173 | for (llvm::sys::fs::directory_iterator File(Dir->path(), EC), FileEnd; |
| 1174 | File != FileEnd && !EC; File.increment(EC)) { |
| 1175 | // We only care about module and global module index files. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1176 | StringRef Extension = llvm::sys::path::extension(File->path()); |
| 1177 | if (Extension != ".pcm" && Extension != ".timestamp" && |
| 1178 | llvm::sys::path::filename(File->path()) != "modules.idx") |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1179 | continue; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1180 | |
| 1181 | // Look at this file. If we can't stat it, there's nothing interesting |
| 1182 | // there. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1183 | if (::stat(File->path().c_str(), &StatBuf)) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1184 | continue; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1185 | |
| 1186 | // If the file has been used recently enough, leave it there. |
| 1187 | time_t FileAccessTime = StatBuf.st_atime; |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame] | 1188 | if (CurrentTime - FileAccessTime <= |
| 1189 | time_t(HSOpts.ModuleCachePruneAfter)) { |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1190 | continue; |
| 1191 | } |
| 1192 | |
| 1193 | // Remove the file. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1194 | llvm::sys::fs::remove(File->path()); |
| 1195 | |
| 1196 | // Remove the timestamp file. |
| 1197 | std::string TimpestampFilename = File->path() + ".timestamp"; |
| 1198 | llvm::sys::fs::remove(TimpestampFilename); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1199 | } |
| 1200 | |
| 1201 | // If we removed all of the files in the directory, remove the directory |
| 1202 | // itself. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1203 | if (llvm::sys::fs::directory_iterator(Dir->path(), EC) == |
| 1204 | llvm::sys::fs::directory_iterator() && !EC) |
| 1205 | llvm::sys::fs::remove(Dir->path()); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1206 | } |
| 1207 | } |
| 1208 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1209 | void CompilerInstance::createModuleManager() { |
| 1210 | if (!ModuleManager) { |
| 1211 | if (!hasASTContext()) |
| 1212 | createASTContext(); |
| 1213 | |
| 1214 | // If we're not recursively building a module, check whether we |
| 1215 | // need to prune the module cache. |
| 1216 | if (getSourceManager().getModuleBuildStack().empty() && |
| 1217 | getHeaderSearchOpts().ModuleCachePruneInterval > 0 && |
| 1218 | getHeaderSearchOpts().ModuleCachePruneAfter > 0) { |
| 1219 | pruneModuleCache(getHeaderSearchOpts()); |
| 1220 | } |
| 1221 | |
| 1222 | HeaderSearchOptions &HSOpts = getHeaderSearchOpts(); |
| 1223 | std::string Sysroot = HSOpts.Sysroot; |
| 1224 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
| 1225 | ModuleManager = new ASTReader(getPreprocessor(), *Context, |
| 1226 | Sysroot.empty() ? "" : Sysroot.c_str(), |
| 1227 | PPOpts.DisablePCHValidation, |
| 1228 | /*AllowASTWithCompilerErrors=*/false, |
| 1229 | /*AllowConfigurationMismatch=*/false, |
| 1230 | HSOpts.ModulesValidateSystemHeaders, |
| 1231 | getFrontendOpts().UseGlobalModuleIndex); |
| 1232 | if (hasASTConsumer()) { |
| 1233 | ModuleManager->setDeserializationListener( |
| 1234 | getASTConsumer().GetASTDeserializationListener()); |
| 1235 | getASTContext().setASTMutationListener( |
| 1236 | getASTConsumer().GetASTMutationListener()); |
| 1237 | } |
| 1238 | getASTContext().setExternalSource(ModuleManager); |
| 1239 | if (hasSema()) |
| 1240 | ModuleManager->InitializeSema(getSema()); |
| 1241 | if (hasASTConsumer()) |
| 1242 | ModuleManager->StartTranslationUnit(&getASTConsumer()); |
| 1243 | } |
| 1244 | } |
| 1245 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1246 | ModuleLoadResult |
| 1247 | CompilerInstance::loadModule(SourceLocation ImportLoc, |
| 1248 | ModuleIdPath Path, |
| 1249 | Module::NameVisibilityKind Visibility, |
| 1250 | bool IsInclusionDirective) { |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1251 | // Determine what file we're searching from. |
| 1252 | StringRef ModuleName = Path[0].first->getName(); |
| 1253 | SourceLocation ModuleNameLoc = Path[0].second; |
| 1254 | |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1255 | // If we've already handled this import, just return the cached result. |
| 1256 | // This one-element cache is important to eliminate redundant diagnostics |
| 1257 | // when both the preprocessor and parser see the same import declaration. |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1258 | if (!ImportLoc.isInvalid() && LastModuleImportLoc == ImportLoc) { |
| 1259 | // Make the named module visible. |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1260 | if (LastModuleImportResult && ModuleName != getLangOpts().CurrentModule) |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1261 | ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1262 | ImportLoc, /*Complain=*/false); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1263 | return LastModuleImportResult; |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1264 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1265 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1266 | clang::Module *Module = nullptr; |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1267 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1268 | // If we don't already have information on this module, load the module now. |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 1269 | llvm::DenseMap<const IdentifierInfo *, clang::Module *>::iterator Known |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1270 | = KnownModules.find(Path[0].first); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1271 | if (Known != KnownModules.end()) { |
| 1272 | // Retrieve the cached top-level module. |
| 1273 | Module = Known->second; |
| 1274 | } else if (ModuleName == getLangOpts().CurrentModule) { |
| 1275 | // This is the module we're building. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1276 | Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1277 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
| 1278 | } else { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1279 | // Search for a module with the given name. |
Douglas Gregor | e434ec7 | 2012-01-29 17:08:11 +0000 | [diff] [blame] | 1280 | Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1281 | if (!Module) { |
| 1282 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_found) |
| 1283 | << ModuleName |
| 1284 | << SourceRange(ImportLoc, ModuleNameLoc); |
| 1285 | ModuleBuildFailed = true; |
| 1286 | return ModuleLoadResult(); |
| 1287 | } |
| 1288 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1289 | std::string ModuleFileName = |
| 1290 | PP->getHeaderSearchInfo().getModuleFileName(Module); |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1291 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1292 | // If we don't already have an ASTReader, create one now. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1293 | if (!ModuleManager) |
| 1294 | createModuleManager(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1295 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1296 | if (TheDependencyFileGenerator) |
| 1297 | TheDependencyFileGenerator->AttachToASTReader(*ModuleManager); |
| 1298 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1299 | if (ModuleDepCollector) |
| 1300 | ModuleDepCollector->attachToASTReader(*ModuleManager); |
| 1301 | |
| 1302 | for (auto &Listener : DependencyCollectors) |
| 1303 | Listener->attachToASTReader(*ModuleManager); |
| 1304 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1305 | // Try to load the module file. |
| 1306 | unsigned ARRFlags = ASTReader::ARR_OutOfDate | ASTReader::ARR_Missing; |
| 1307 | switch (ModuleManager->ReadAST(ModuleFileName, serialization::MK_Module, |
| 1308 | ImportLoc, ARRFlags)) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1309 | case ASTReader::Success: |
| 1310 | break; |
| 1311 | |
Eli Friedman | 0295c23 | 2013-09-17 00:51:29 +0000 | [diff] [blame] | 1312 | case ASTReader::OutOfDate: |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1313 | case ASTReader::Missing: { |
Eli Friedman | 0295c23 | 2013-09-17 00:51:29 +0000 | [diff] [blame] | 1314 | // The module file is missing or out-of-date. Build it. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1315 | assert(Module && "missing module file"); |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1316 | // Check whether there is a cycle in the module graph. |
| 1317 | ModuleBuildStack ModPath = getSourceManager().getModuleBuildStack(); |
| 1318 | ModuleBuildStack::iterator Pos = ModPath.begin(), PosEnd = ModPath.end(); |
| 1319 | for (; Pos != PosEnd; ++Pos) { |
| 1320 | if (Pos->first == ModuleName) |
| 1321 | break; |
| 1322 | } |
| 1323 | |
| 1324 | if (Pos != PosEnd) { |
| 1325 | SmallString<256> CyclePath; |
| 1326 | for (; Pos != PosEnd; ++Pos) { |
| 1327 | CyclePath += Pos->first; |
| 1328 | CyclePath += " -> "; |
| 1329 | } |
| 1330 | CyclePath += ModuleName; |
| 1331 | |
| 1332 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_cycle) |
| 1333 | << ModuleName << CyclePath; |
| 1334 | return ModuleLoadResult(); |
| 1335 | } |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1336 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1337 | getDiagnostics().Report(ImportLoc, diag::remark_module_build) |
| 1338 | << ModuleName << ModuleFileName; |
| 1339 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1340 | // Check whether we have already attempted to build this module (but |
| 1341 | // failed). |
| 1342 | if (getPreprocessorOpts().FailedModules && |
| 1343 | getPreprocessorOpts().FailedModules->hasAlreadyFailed(ModuleName)) { |
| 1344 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_built) |
| 1345 | << ModuleName |
| 1346 | << SourceRange(ImportLoc, ModuleNameLoc); |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1347 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1348 | return ModuleLoadResult(); |
| 1349 | } |
| 1350 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1351 | // Try to compile and then load the module. |
| 1352 | if (!compileAndLoadModule(*this, ImportLoc, ModuleNameLoc, Module, |
| 1353 | ModuleFileName)) { |
Douglas Gregor | b8a8be1 | 2013-01-10 02:04:18 +0000 | [diff] [blame] | 1354 | if (getPreprocessorOpts().FailedModules) |
| 1355 | getPreprocessorOpts().FailedModules->addFailed(ModuleName); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1356 | KnownModules[Path[0].first] = nullptr; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1357 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1358 | return ModuleLoadResult(); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1359 | } |
| 1360 | |
| 1361 | // Okay, we've rebuilt and now loaded the module. |
| 1362 | break; |
| 1363 | } |
| 1364 | |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 1365 | case ASTReader::VersionMismatch: |
| 1366 | case ASTReader::ConfigurationMismatch: |
| 1367 | case ASTReader::HadErrors: |
Argyrios Kyrtzidis | 3b7deda | 2013-05-24 05:44:08 +0000 | [diff] [blame] | 1368 | ModuleLoader::HadFatalFailure = true; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1369 | // FIXME: The ASTReader will already have complained, but can we showhorn |
| 1370 | // that diagnostic information into a more useful form? |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1371 | KnownModules[Path[0].first] = nullptr; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1372 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1373 | |
| 1374 | case ASTReader::Failure: |
Argyrios Kyrtzidis | 3b7deda | 2013-05-24 05:44:08 +0000 | [diff] [blame] | 1375 | ModuleLoader::HadFatalFailure = true; |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1376 | // Already complained, but note now that we failed. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1377 | KnownModules[Path[0].first] = nullptr; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1378 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1379 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1380 | } |
Argyrios Kyrtzidis | e2ac16b | 2012-09-29 01:06:04 +0000 | [diff] [blame] | 1381 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1382 | // Cache the result of this top-level module lookup for later. |
| 1383 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1384 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1385 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1386 | // If we never found the module, fail. |
| 1387 | if (!Module) |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1388 | return ModuleLoadResult(); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1389 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1390 | // Verify that the rest of the module path actually corresponds to |
| 1391 | // a submodule. |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1392 | if (Path.size() > 1) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1393 | for (unsigned I = 1, N = Path.size(); I != N; ++I) { |
| 1394 | StringRef Name = Path[I].first->getName(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1395 | clang::Module *Sub = Module->findSubmodule(Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1396 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1397 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1398 | // Attempt to perform typo correction to find a module name that works. |
Dmitri Gribenko | cfa88f8 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 1399 | SmallVector<StringRef, 2> Best; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1400 | unsigned BestEditDistance = (std::numeric_limits<unsigned>::max)(); |
| 1401 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1402 | for (clang::Module::submodule_iterator J = Module->submodule_begin(), |
| 1403 | JEnd = Module->submodule_end(); |
Matt Beaumont-Gay | e25633f | 2011-11-30 19:41:21 +0000 | [diff] [blame] | 1404 | J != JEnd; ++J) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1405 | unsigned ED = Name.edit_distance((*J)->Name, |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1406 | /*AllowReplacements=*/true, |
| 1407 | BestEditDistance); |
| 1408 | if (ED <= BestEditDistance) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1409 | if (ED < BestEditDistance) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1410 | Best.clear(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1411 | BestEditDistance = ED; |
| 1412 | } |
| 1413 | |
| 1414 | Best.push_back((*J)->Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1415 | } |
| 1416 | } |
| 1417 | |
| 1418 | // If there was a clear winner, user it. |
| 1419 | if (Best.size() == 1) { |
| 1420 | getDiagnostics().Report(Path[I].second, |
| 1421 | diag::err_no_submodule_suggest) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1422 | << Path[I].first << Module->getFullModuleName() << Best[0] |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1423 | << SourceRange(Path[0].second, Path[I-1].second) |
| 1424 | << FixItHint::CreateReplacement(SourceRange(Path[I].second), |
| 1425 | Best[0]); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1426 | |
| 1427 | Sub = Module->findSubmodule(Best[0]); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1428 | } |
| 1429 | } |
| 1430 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1431 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1432 | // No submodule by this name. Complain, and don't look for further |
| 1433 | // submodules. |
| 1434 | getDiagnostics().Report(Path[I].second, diag::err_no_submodule) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1435 | << Path[I].first << Module->getFullModuleName() |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1436 | << SourceRange(Path[0].second, Path[I-1].second); |
| 1437 | break; |
| 1438 | } |
| 1439 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1440 | Module = Sub; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1441 | } |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1442 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1443 | |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1444 | // Make the named module visible, if it's not already part of the module |
| 1445 | // we are parsing. |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1446 | if (ModuleName != getLangOpts().CurrentModule) { |
| 1447 | if (!Module->IsFromModuleFile) { |
| 1448 | // We have an umbrella header or directory that doesn't actually include |
| 1449 | // all of the headers within the directory it covers. Complain about |
| 1450 | // this missing submodule and recover by forgetting that we ever saw |
| 1451 | // this submodule. |
| 1452 | // FIXME: Should we detect this at module load time? It seems fairly |
| 1453 | // expensive (and rare). |
| 1454 | getDiagnostics().Report(ImportLoc, diag::warn_missing_submodule) |
| 1455 | << Module->getFullModuleName() |
| 1456 | << SourceRange(Path.front().second, Path.back().second); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1457 | |
| 1458 | return ModuleLoadResult(nullptr, true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1459 | } |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1460 | |
| 1461 | // Check whether this module is available. |
Richard Smith | 5794b53 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1462 | clang::Module::Requirement Requirement; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1463 | clang::Module::HeaderDirective MissingHeader; |
| 1464 | if (!Module->isAvailable(getLangOpts(), getTarget(), Requirement, |
| 1465 | MissingHeader)) { |
| 1466 | if (MissingHeader.FileNameLoc.isValid()) { |
| 1467 | getDiagnostics().Report(MissingHeader.FileNameLoc, |
| 1468 | diag::err_module_header_missing) |
| 1469 | << MissingHeader.IsUmbrella << MissingHeader.FileName; |
| 1470 | } else { |
| 1471 | getDiagnostics().Report(ImportLoc, diag::err_module_unavailable) |
| 1472 | << Module->getFullModuleName() |
| 1473 | << Requirement.second << Requirement.first |
| 1474 | << SourceRange(Path.front().second, Path.back().second); |
| 1475 | } |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1476 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1477 | LastModuleImportResult = ModuleLoadResult(); |
| 1478 | return ModuleLoadResult(); |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1479 | } |
| 1480 | |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1481 | ModuleManager->makeModuleVisible(Module, Visibility, ImportLoc, |
| 1482 | /*Complain=*/true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1483 | } |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1484 | |
| 1485 | // Check for any configuration macros that have changed. |
| 1486 | clang::Module *TopModule = Module->getTopLevelModule(); |
| 1487 | for (unsigned I = 0, N = TopModule->ConfigMacros.size(); I != N; ++I) { |
| 1488 | checkConfigMacro(getPreprocessor(), TopModule->ConfigMacros[I], |
| 1489 | Module, ImportLoc); |
| 1490 | } |
| 1491 | |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1492 | // If this module import was due to an inclusion directive, create an |
| 1493 | // implicit import declaration to capture it in the AST. |
| 1494 | if (IsInclusionDirective && hasASTContext()) { |
| 1495 | TranslationUnitDecl *TU = getASTContext().getTranslationUnitDecl(); |
Argyrios Kyrtzidis | d3d9816 | 2012-10-03 01:58:37 +0000 | [diff] [blame] | 1496 | ImportDecl *ImportD = ImportDecl::CreateImplicit(getASTContext(), TU, |
| 1497 | ImportLoc, Module, |
| 1498 | Path.back().second); |
| 1499 | TU->addDecl(ImportD); |
| 1500 | if (Consumer) |
| 1501 | Consumer->HandleImplicitImportDecl(ImportD); |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1502 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1503 | |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1504 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1505 | LastModuleImportResult = ModuleLoadResult(Module, false); |
| 1506 | return LastModuleImportResult; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1507 | } |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1508 | |
| 1509 | void CompilerInstance::makeModuleVisible(Module *Mod, |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1510 | Module::NameVisibilityKind Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1511 | SourceLocation ImportLoc, |
| 1512 | bool Complain){ |
| 1513 | ModuleManager->makeModuleVisible(Mod, Visibility, ImportLoc, Complain); |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1514 | } |
| 1515 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1516 | GlobalModuleIndex *CompilerInstance::loadGlobalModuleIndex( |
| 1517 | SourceLocation TriggerLoc) { |
| 1518 | if (!ModuleManager) |
| 1519 | createModuleManager(); |
| 1520 | // Can't do anything if we don't have the module manager. |
| 1521 | if (!ModuleManager) |
| 1522 | return nullptr; |
| 1523 | // Get an existing global index. This loads it if not already |
| 1524 | // loaded. |
| 1525 | ModuleManager->loadGlobalIndex(); |
| 1526 | GlobalModuleIndex *GlobalIndex = ModuleManager->getGlobalIndex(); |
| 1527 | // If the global index doesn't exist, create it. |
| 1528 | if (!GlobalIndex && shouldBuildGlobalModuleIndex() && hasFileManager() && |
| 1529 | hasPreprocessor()) { |
| 1530 | llvm::sys::fs::create_directories( |
| 1531 | getPreprocessor().getHeaderSearchInfo().getModuleCachePath()); |
| 1532 | GlobalModuleIndex::writeIndex( |
| 1533 | getFileManager(), |
| 1534 | getPreprocessor().getHeaderSearchInfo().getModuleCachePath()); |
| 1535 | ModuleManager->resetForReload(); |
| 1536 | ModuleManager->loadGlobalIndex(); |
| 1537 | GlobalIndex = ModuleManager->getGlobalIndex(); |
| 1538 | } |
| 1539 | // For finding modules needing to be imported for fixit messages, |
| 1540 | // we need to make the global index cover all modules, so we do that here. |
| 1541 | if (!HaveFullGlobalModuleIndex && GlobalIndex && !buildingModule()) { |
| 1542 | ModuleMap &MMap = getPreprocessor().getHeaderSearchInfo().getModuleMap(); |
| 1543 | bool RecreateIndex = false; |
| 1544 | for (ModuleMap::module_iterator I = MMap.module_begin(), |
| 1545 | E = MMap.module_end(); I != E; ++I) { |
| 1546 | Module *TheModule = I->second; |
| 1547 | const FileEntry *Entry = TheModule->getASTFile(); |
| 1548 | if (!Entry) { |
| 1549 | SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> Path; |
| 1550 | Path.push_back(std::make_pair( |
| 1551 | getPreprocessor().getIdentifierInfo(TheModule->Name), TriggerLoc)); |
| 1552 | std::reverse(Path.begin(), Path.end()); |
| 1553 | // Load a module as hidden. This also adds it to the global index. |
| 1554 | loadModule(TheModule->DefinitionLoc, Path, |
| 1555 | Module::Hidden, false); |
| 1556 | RecreateIndex = true; |
| 1557 | } |
| 1558 | } |
| 1559 | if (RecreateIndex) { |
| 1560 | GlobalModuleIndex::writeIndex( |
| 1561 | getFileManager(), |
| 1562 | getPreprocessor().getHeaderSearchInfo().getModuleCachePath()); |
| 1563 | ModuleManager->resetForReload(); |
| 1564 | ModuleManager->loadGlobalIndex(); |
| 1565 | GlobalIndex = ModuleManager->getGlobalIndex(); |
| 1566 | } |
| 1567 | HaveFullGlobalModuleIndex = true; |
| 1568 | } |
| 1569 | return GlobalIndex; |
| 1570 | } |
| 1571 | |
| 1572 | // Check global module index for missing imports. |
| 1573 | bool |
| 1574 | CompilerInstance::lookupMissingImports(StringRef Name, |
| 1575 | SourceLocation TriggerLoc) { |
| 1576 | // Look for the symbol in non-imported modules, but only if an error |
| 1577 | // actually occurred. |
| 1578 | if (!buildingModule()) { |
| 1579 | // Load global module index, or retrieve a previously loaded one. |
| 1580 | GlobalModuleIndex *GlobalIndex = loadGlobalModuleIndex( |
| 1581 | TriggerLoc); |
| 1582 | |
| 1583 | // Only if we have a global index. |
| 1584 | if (GlobalIndex) { |
| 1585 | GlobalModuleIndex::HitSet FoundModules; |
| 1586 | |
| 1587 | // Find the modules that reference the identifier. |
| 1588 | // Note that this only finds top-level modules. |
| 1589 | // We'll let diagnoseTypo find the actual declaration module. |
| 1590 | if (GlobalIndex->lookupIdentifier(Name, FoundModules)) |
| 1591 | return true; |
| 1592 | } |
| 1593 | } |
| 1594 | |
| 1595 | return false; |
| 1596 | } |