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" |
David Blaikie | 4e85b8a | 2011-09-26 00:21:47 +0000 | [diff] [blame] | 19 | #include "clang/Frontend/ChainedDiagnosticConsumer.h" |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 20 | #include "clang/Frontend/FrontendAction.h" |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 21 | #include "clang/Frontend/FrontendActions.h" |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 22 | #include "clang/Frontend/FrontendDiagnostic.h" |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 23 | #include "clang/Frontend/LogDiagnosticPrinter.h" |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 24 | #include "clang/Frontend/SerializedDiagnosticPrinter.h" |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 25 | #include "clang/Frontend/TextDiagnosticPrinter.h" |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 26 | #include "clang/Frontend/Utils.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 27 | #include "clang/Frontend/VerifyDiagnosticConsumer.h" |
| 28 | #include "clang/Lex/HeaderSearch.h" |
| 29 | #include "clang/Lex/PTHManager.h" |
| 30 | #include "clang/Lex/Preprocessor.h" |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 31 | #include "clang/Sema/CodeCompleteConsumer.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 32 | #include "clang/Sema/Sema.h" |
| 33 | #include "clang/Serialization/ASTReader.h" |
Douglas Gregor | 95dd558 | 2010-03-30 17:33:59 +0000 | [diff] [blame] | 34 | #include "llvm/ADT/Statistic.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 35 | #include "llvm/Config/config.h" |
| 36 | #include "llvm/Support/CrashRecoveryContext.h" |
| 37 | #include "llvm/Support/FileSystem.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 38 | #include "llvm/Support/Host.h" |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 39 | #include "llvm/Support/LockFileManager.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 40 | #include "llvm/Support/MemoryBuffer.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 41 | #include "llvm/Support/Path.h" |
| 42 | #include "llvm/Support/Program.h" |
| 43 | #include "llvm/Support/Signals.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 44 | #include "llvm/Support/Timer.h" |
| 45 | #include "llvm/Support/raw_ostream.h" |
Michael J. Spencer | 3a321e2 | 2010-12-09 17:36:38 +0000 | [diff] [blame] | 46 | #include "llvm/Support/system_error.h" |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 47 | #include <sys/stat.h> |
Douglas Gregor | 87ab066 | 2013-03-25 21:51:16 +0000 | [diff] [blame] | 48 | #include <time.h> |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 49 | |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 50 | using namespace clang; |
| 51 | |
Daniel Dunbar | 42e9f8e4 | 2010-02-16 01:54:47 +0000 | [diff] [blame] | 52 | CompilerInstance::CompilerInstance() |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 53 | : Invocation(new CompilerInvocation()), ModuleManager(0), |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 54 | BuildGlobalModuleIndex(false), ModuleBuildFailed(false) { |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 55 | } |
Daniel Dunbar | 2a79e16 | 2009-11-13 03:51:44 +0000 | [diff] [blame] | 56 | |
| 57 | CompilerInstance::~CompilerInstance() { |
Benjamin Kramer | ac447fc | 2012-10-14 19:21:21 +0000 | [diff] [blame] | 58 | assert(OutputFiles.empty() && "Still output files in flight?"); |
Daniel Dunbar | 42e9f8e4 | 2010-02-16 01:54:47 +0000 | [diff] [blame] | 59 | } |
| 60 | |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 61 | void CompilerInstance::setInvocation(CompilerInvocation *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 62 | Invocation = Value; |
Daniel Dunbar | 6228ca0 | 2010-01-30 21:47:07 +0000 | [diff] [blame] | 63 | } |
| 64 | |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 65 | bool CompilerInstance::shouldBuildGlobalModuleIndex() const { |
Douglas Gregor | 1a49d97 | 2013-01-25 01:03:03 +0000 | [diff] [blame] | 66 | return (BuildGlobalModuleIndex || |
Douglas Gregor | ed2fc2a | 2013-03-22 21:26:48 +0000 | [diff] [blame] | 67 | (ModuleManager && ModuleManager->isGlobalIndexUnavailable() && |
| 68 | getFrontendOpts().GenerateGlobalModuleIndex)) && |
Douglas Gregor | 1a49d97 | 2013-01-25 01:03:03 +0000 | [diff] [blame] | 69 | !ModuleBuildFailed; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 70 | } |
| 71 | |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 72 | void CompilerInstance::setDiagnostics(DiagnosticsEngine *Value) { |
Douglas Gregor | 2801977 | 2010-04-05 23:52:57 +0000 | [diff] [blame] | 73 | Diagnostics = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 74 | } |
| 75 | |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 76 | void CompilerInstance::setTarget(TargetInfo *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 77 | Target = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | void CompilerInstance::setFileManager(FileManager *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 81 | FileMgr = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 82 | } |
| 83 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 84 | void CompilerInstance::setSourceManager(SourceManager *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 85 | SourceMgr = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 86 | } |
| 87 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 88 | void CompilerInstance::setPreprocessor(Preprocessor *Value) { PP = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 89 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 90 | void CompilerInstance::setASTContext(ASTContext *Value) { Context = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 91 | |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 92 | void CompilerInstance::setSema(Sema *S) { |
| 93 | TheSema.reset(S); |
| 94 | } |
| 95 | |
Daniel Dunbar | 12ce694 | 2009-11-14 02:47:17 +0000 | [diff] [blame] | 96 | void CompilerInstance::setASTConsumer(ASTConsumer *Value) { |
| 97 | Consumer.reset(Value); |
| 98 | } |
| 99 | |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 100 | void CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { |
| 101 | CompletionConsumer.reset(Value); |
| 102 | } |
| 103 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 104 | // Diagnostics |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 105 | static void SetUpDiagnosticLog(DiagnosticOptions *DiagOpts, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 106 | const CodeGenOptions *CodeGenOpts, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 107 | DiagnosticsEngine &Diags) { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 108 | std::string ErrorInfo; |
| 109 | bool OwnsStream = false; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 110 | raw_ostream *OS = &llvm::errs(); |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 111 | if (DiagOpts->DiagnosticLogFile != "-") { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 112 | // Create the output stream. |
| 113 | llvm::raw_fd_ostream *FileOS( |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 114 | new llvm::raw_fd_ostream(DiagOpts->DiagnosticLogFile.c_str(), |
Daniel Dunbar | e01eceb | 2011-04-07 20:19:21 +0000 | [diff] [blame] | 115 | ErrorInfo, llvm::raw_fd_ostream::F_Append)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 116 | if (!ErrorInfo.empty()) { |
| 117 | Diags.Report(diag::warn_fe_cc_log_diagnostics_failure) |
Sean Silva | d2ff76b | 2013-01-20 01:58:26 +0000 | [diff] [blame] | 118 | << DiagOpts->DiagnosticLogFile << ErrorInfo; |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 119 | } else { |
| 120 | FileOS->SetUnbuffered(); |
| 121 | FileOS->SetUseAtomicWrites(true); |
| 122 | OS = FileOS; |
| 123 | OwnsStream = true; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | // Chain in the diagnostic client which will log the diagnostics. |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 128 | LogDiagnosticPrinter *Logger = new LogDiagnosticPrinter(*OS, DiagOpts, |
| 129 | OwnsStream); |
| 130 | if (CodeGenOpts) |
| 131 | Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags); |
David Blaikie | 4e85b8a | 2011-09-26 00:21:47 +0000 | [diff] [blame] | 132 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 133 | } |
| 134 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 135 | static void SetupSerializedDiagnostics(DiagnosticOptions *DiagOpts, |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 136 | DiagnosticsEngine &Diags, |
| 137 | StringRef OutputFile) { |
| 138 | std::string ErrorInfo; |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 139 | OwningPtr<llvm::raw_fd_ostream> OS; |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 140 | OS.reset(new llvm::raw_fd_ostream(OutputFile.str().c_str(), ErrorInfo, |
| 141 | llvm::raw_fd_ostream::F_Binary)); |
| 142 | |
| 143 | if (!ErrorInfo.empty()) { |
| 144 | Diags.Report(diag::warn_fe_serialized_diag_failure) |
| 145 | << OutputFile << ErrorInfo; |
| 146 | return; |
| 147 | } |
| 148 | |
| 149 | DiagnosticConsumer *SerializedConsumer = |
Ted Kremenek | 2a76410 | 2011-12-17 05:26:11 +0000 | [diff] [blame] | 150 | clang::serialized_diags::create(OS.take(), DiagOpts); |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 151 | |
| 152 | |
| 153 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), |
| 154 | SerializedConsumer)); |
| 155 | } |
| 156 | |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 157 | void CompilerInstance::createDiagnostics(DiagnosticConsumer *Client, |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 158 | bool ShouldOwnClient, |
| 159 | bool ShouldCloneClient) { |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 160 | Diagnostics = createDiagnostics(&getDiagnosticOpts(), Client, |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 161 | ShouldOwnClient, ShouldCloneClient, |
| 162 | &getCodeGenOpts()); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 163 | } |
| 164 | |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 165 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 166 | CompilerInstance::createDiagnostics(DiagnosticOptions *Opts, |
David Blaikie | 78ad0b9 | 2011-09-25 23:39:51 +0000 | [diff] [blame] | 167 | DiagnosticConsumer *Client, |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 168 | bool ShouldOwnClient, |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 169 | bool ShouldCloneClient, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 170 | const CodeGenOptions *CodeGenOpts) { |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 171 | IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| 172 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 173 | Diags(new DiagnosticsEngine(DiagID, Opts)); |
Daniel Dunbar | 221c721 | 2009-11-14 07:53:24 +0000 | [diff] [blame] | 174 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 175 | // Create the diagnostic client for reporting errors or for |
| 176 | // implementing -verify. |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 177 | if (Client) { |
| 178 | if (ShouldCloneClient) |
| 179 | Diags->setClient(Client->clone(*Diags), ShouldOwnClient); |
| 180 | else |
| 181 | Diags->setClient(Client, ShouldOwnClient); |
| 182 | } else |
Douglas Gregor | e47be3e | 2010-11-11 00:39:14 +0000 | [diff] [blame] | 183 | Diags->setClient(new TextDiagnosticPrinter(llvm::errs(), Opts)); |
Daniel Dunbar | f79dced | 2009-11-14 03:24:39 +0000 | [diff] [blame] | 184 | |
| 185 | // Chain in -verify checker, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 186 | if (Opts->VerifyDiagnostics) |
David Blaikie | 621bc69 | 2011-09-26 00:38:03 +0000 | [diff] [blame] | 187 | Diags->setClient(new VerifyDiagnosticConsumer(*Diags)); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 188 | |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 189 | // Chain in -diagnostic-log-file dumper, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 190 | if (!Opts->DiagnosticLogFile.empty()) |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 191 | SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 192 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 193 | if (!Opts->DiagnosticSerializationFile.empty()) |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 194 | SetupSerializedDiagnostics(Opts, *Diags, |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 195 | Opts->DiagnosticSerializationFile); |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 196 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 197 | // Configure our handling of diagnostics. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 198 | ProcessWarningOptions(*Diags, *Opts); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 199 | |
Douglas Gregor | 2801977 | 2010-04-05 23:52:57 +0000 | [diff] [blame] | 200 | return Diags; |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | // File Manager |
| 204 | |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 205 | void CompilerInstance::createFileManager() { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 206 | FileMgr = new FileManager(getFileSystemOpts()); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 207 | } |
| 208 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 209 | // Source Manager |
| 210 | |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 211 | void CompilerInstance::createSourceManager(FileManager &FileMgr) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 212 | SourceMgr = new SourceManager(getDiagnostics(), FileMgr); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 213 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 214 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 215 | // Preprocessor |
| 216 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 217 | void CompilerInstance::createPreprocessor() { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 218 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 219 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 220 | // Create a PTH manager if we are using some form of a token cache. |
| 221 | PTHManager *PTHMgr = 0; |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 222 | if (!PPOpts.TokenCache.empty()) |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 223 | PTHMgr = PTHManager::Create(PPOpts.TokenCache, getDiagnostics()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 224 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 225 | // Create the Preprocessor. |
Douglas Gregor | c042edd | 2012-10-24 16:19:39 +0000 | [diff] [blame] | 226 | HeaderSearch *HeaderInfo = new HeaderSearch(&getHeaderSearchOpts(), |
| 227 | getFileManager(), |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 228 | getDiagnostics(), |
Douglas Gregor | dc58aa7 | 2012-01-30 06:01:29 +0000 | [diff] [blame] | 229 | getLangOpts(), |
| 230 | &getTarget()); |
Douglas Gregor | 36a1649 | 2012-10-24 17:46:57 +0000 | [diff] [blame] | 231 | PP = new Preprocessor(&getPreprocessorOpts(), |
| 232 | getDiagnostics(), getLangOpts(), &getTarget(), |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 233 | getSourceManager(), *HeaderInfo, *this, PTHMgr, |
| 234 | /*OwnsHeaderSearch=*/true); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 235 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 236 | // Note that this is different then passing PTHMgr to Preprocessor's ctor. |
| 237 | // That argument is used as the IdentifierInfoLookup argument to |
| 238 | // IdentifierTable's ctor. |
| 239 | if (PTHMgr) { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 240 | PTHMgr->setPreprocessor(&*PP); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 241 | PP->setPTHManager(PTHMgr); |
| 242 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 243 | |
Douglas Gregor | 94dc8f6 | 2010-03-19 16:15:56 +0000 | [diff] [blame] | 244 | if (PPOpts.DetailedRecord) |
Argyrios Kyrtzidis | 37ed127 | 2012-12-04 07:27:05 +0000 | [diff] [blame] | 245 | PP->createPreprocessingRecord(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 246 | |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 247 | InitializePreprocessor(*PP, PPOpts, getHeaderSearchOpts(), getFrontendOpts()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 248 | |
Jordan Rose | 74c2498 | 2013-01-30 01:52:57 +0000 | [diff] [blame] | 249 | PP->setPreprocessedOutput(getPreprocessorOutputOpts().ShowCPP); |
| 250 | |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 251 | // Set up the module path, including the hash for the |
| 252 | // module-creation options. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 253 | SmallString<256> SpecificModuleCache( |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 254 | getHeaderSearchOpts().ModuleCachePath); |
| 255 | if (!getHeaderSearchOpts().DisableModuleHash) |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 256 | llvm::sys::path::append(SpecificModuleCache, |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 257 | getInvocation().getModuleHash()); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 258 | PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 259 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 260 | // Handle generating dependencies, if requested. |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 261 | const DependencyOutputOptions &DepOpts = getDependencyOutputOpts(); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 262 | if (!DepOpts.OutputFile.empty()) |
| 263 | AttachDependencyFileGen(*PP, DepOpts); |
Douglas Gregor | 773303a | 2012-02-02 23:45:13 +0000 | [diff] [blame] | 264 | if (!DepOpts.DOTOutputFile.empty()) |
| 265 | AttachDependencyGraphGen(*PP, DepOpts.DOTOutputFile, |
Douglas Gregor | c69a181 | 2012-02-02 00:54:52 +0000 | [diff] [blame] | 266 | getHeaderSearchOpts().Sysroot); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 267 | |
Douglas Gregor | c69a181 | 2012-02-02 00:54:52 +0000 | [diff] [blame] | 268 | |
Daniel Dunbar | eef63e0 | 2011-02-02 15:41:17 +0000 | [diff] [blame] | 269 | // Handle generating header include information, if requested. |
| 270 | if (DepOpts.ShowHeaderIncludes) |
| 271 | AttachHeaderIncludeGen(*PP); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 272 | if (!DepOpts.HeaderIncludeOutputFile.empty()) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 273 | StringRef OutputPath = DepOpts.HeaderIncludeOutputFile; |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 274 | if (OutputPath == "-") |
| 275 | OutputPath = ""; |
Daniel Dunbar | da60885 | 2011-03-21 19:37:38 +0000 | [diff] [blame] | 276 | AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/true, OutputPath, |
| 277 | /*ShowDepth=*/false); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 278 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 279 | } |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 280 | |
| 281 | // ASTContext |
| 282 | |
| 283 | void CompilerInstance::createASTContext() { |
| 284 | Preprocessor &PP = getPreprocessor(); |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 285 | Context = new ASTContext(getLangOpts(), PP.getSourceManager(), |
Douglas Gregor | bcfd1f5 | 2011-09-02 00:18:52 +0000 | [diff] [blame] | 286 | &getTarget(), PP.getIdentifierTable(), |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 287 | PP.getSelectorTable(), PP.getBuiltinInfo(), |
| 288 | /*size_reserve=*/ 0); |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 289 | } |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 290 | |
| 291 | // ExternalASTSource |
| 292 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 293 | void CompilerInstance::createPCHExternalASTSource(StringRef Path, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 294 | bool DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 295 | bool AllowPCHWithCompilerErrors, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 296 | void *DeserializationListener){ |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 297 | OwningPtr<ExternalASTSource> Source; |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 298 | bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 299 | Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 300 | DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 301 | AllowPCHWithCompilerErrors, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 302 | getPreprocessor(), getASTContext(), |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 303 | DeserializationListener, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 304 | Preamble, |
| 305 | getFrontendOpts().UseGlobalModuleIndex)); |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 306 | ModuleManager = static_cast<ASTReader*>(Source.get()); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 307 | getASTContext().setExternalSource(Source); |
| 308 | } |
| 309 | |
| 310 | ExternalASTSource * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 311 | CompilerInstance::createPCHExternalASTSource(StringRef Path, |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 312 | const std::string &Sysroot, |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 313 | bool DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 314 | bool AllowPCHWithCompilerErrors, |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 315 | Preprocessor &PP, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 316 | ASTContext &Context, |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 317 | void *DeserializationListener, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 318 | bool Preamble, |
| 319 | bool UseGlobalModuleIndex) { |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 320 | OwningPtr<ASTReader> Reader; |
Douglas Gregor | f8a1e51 | 2011-09-02 00:26:20 +0000 | [diff] [blame] | 321 | Reader.reset(new ASTReader(PP, Context, |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 322 | Sysroot.empty() ? "" : Sysroot.c_str(), |
Argyrios Kyrtzidis | 4182ed6 | 2012-10-31 20:59:50 +0000 | [diff] [blame] | 323 | DisablePCHValidation, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 324 | AllowPCHWithCompilerErrors, |
| 325 | UseGlobalModuleIndex)); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 326 | |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 327 | Reader->setDeserializationListener( |
Sebastian Redl | 571db7f | 2010-08-18 23:56:56 +0000 | [diff] [blame] | 328 | static_cast<ASTDeserializationListener *>(DeserializationListener)); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 329 | switch (Reader->ReadAST(Path, |
| 330 | Preamble ? serialization::MK_Preamble |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 331 | : serialization::MK_PCH, |
Argyrios Kyrtzidis | 958bcaf | 2012-11-15 18:57:22 +0000 | [diff] [blame] | 332 | SourceLocation(), |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 333 | ASTReader::ARR_None)) { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 334 | case ASTReader::Success: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 335 | // Set the predefines buffer as suggested by the PCH reader. Typically, the |
| 336 | // predefines buffer will be empty. |
| 337 | PP.setPredefines(Reader->getSuggestedPredefines()); |
| 338 | return Reader.take(); |
| 339 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 340 | case ASTReader::Failure: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 341 | // Unrecoverable failure: don't even try to process the input file. |
| 342 | break; |
| 343 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 344 | case ASTReader::Missing: |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 345 | case ASTReader::OutOfDate: |
| 346 | case ASTReader::VersionMismatch: |
| 347 | case ASTReader::ConfigurationMismatch: |
| 348 | case ASTReader::HadErrors: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 349 | // No suitable PCH file could be found. Return an error. |
| 350 | break; |
| 351 | } |
| 352 | |
| 353 | return 0; |
| 354 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 355 | |
| 356 | // Code Completion |
| 357 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 358 | static bool EnableCodeCompletion(Preprocessor &PP, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 359 | const std::string &Filename, |
| 360 | unsigned Line, |
| 361 | unsigned Column) { |
| 362 | // Tell the source manager to chop off the given file at a specific |
| 363 | // line and column. |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 364 | const FileEntry *Entry = PP.getFileManager().getFile(Filename); |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 365 | if (!Entry) { |
| 366 | PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) |
| 367 | << Filename; |
| 368 | return true; |
| 369 | } |
| 370 | |
| 371 | // Truncate the named file at the given line/column. |
| 372 | PP.SetCodeCompletionPoint(Entry, Line, Column); |
| 373 | return false; |
| 374 | } |
| 375 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 376 | void CompilerInstance::createCodeCompletionConsumer() { |
| 377 | const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 378 | if (!CompletionConsumer) { |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 379 | setCodeCompletionConsumer( |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 380 | createCodeCompletionConsumer(getPreprocessor(), |
| 381 | Loc.FileName, Loc.Line, Loc.Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 382 | getFrontendOpts().CodeCompleteOpts, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 383 | llvm::outs())); |
| 384 | if (!CompletionConsumer) |
| 385 | return; |
| 386 | } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName, |
| 387 | Loc.Line, Loc.Column)) { |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 388 | setCodeCompletionConsumer(0); |
Douglas Gregor | c3d43b7 | 2010-03-16 06:04:47 +0000 | [diff] [blame] | 389 | return; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 390 | } |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 391 | |
| 392 | if (CompletionConsumer->isOutputBinary() && |
| 393 | llvm::sys::Program::ChangeStdoutToBinary()) { |
| 394 | getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 395 | setCodeCompletionConsumer(0); |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 396 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 397 | } |
| 398 | |
Kovarththanan Rajaratnam | f79bafa | 2009-11-29 09:57:35 +0000 | [diff] [blame] | 399 | void CompilerInstance::createFrontendTimer() { |
| 400 | FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); |
| 401 | } |
| 402 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 403 | CodeCompleteConsumer * |
| 404 | CompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, |
| 405 | const std::string &Filename, |
| 406 | unsigned Line, |
| 407 | unsigned Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 408 | const CodeCompleteOptions &Opts, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 409 | raw_ostream &OS) { |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 410 | if (EnableCodeCompletion(PP, Filename, Line, Column)) |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 411 | return 0; |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 412 | |
| 413 | // Set up the creation routine for code-completion. |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 414 | return new PrintingCodeCompleteConsumer(Opts, OS); |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 415 | } |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 416 | |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 417 | void CompilerInstance::createSema(TranslationUnitKind TUKind, |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 418 | CodeCompleteConsumer *CompletionConsumer) { |
| 419 | TheSema.reset(new Sema(getPreprocessor(), getASTContext(), getASTConsumer(), |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 420 | TUKind, CompletionConsumer)); |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 421 | } |
| 422 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 423 | // Output Files |
| 424 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 425 | void CompilerInstance::addOutputFile(const OutputFile &OutFile) { |
| 426 | assert(OutFile.OS && "Attempt to add empty stream to output list!"); |
| 427 | OutputFiles.push_back(OutFile); |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 428 | } |
| 429 | |
Kovarththanan Rajaratnam | e51dd7b | 2010-03-06 12:07:48 +0000 | [diff] [blame] | 430 | void CompilerInstance::clearOutputFiles(bool EraseFiles) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 431 | for (std::list<OutputFile>::iterator |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 432 | it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 433 | delete it->OS; |
| 434 | if (!it->TempFilename.empty()) { |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 435 | if (EraseFiles) { |
| 436 | bool existed; |
| 437 | llvm::sys::fs::remove(it->TempFilename, existed); |
| 438 | } else { |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 439 | SmallString<128> NewOutFile(it->Filename); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 440 | |
Argyrios Kyrtzidis | 389db16 | 2010-11-03 22:45:23 +0000 | [diff] [blame] | 441 | // If '-working-directory' was passed, the output filename should be |
| 442 | // relative to that. |
Anders Carlsson | 2e2468e | 2011-03-14 01:13:54 +0000 | [diff] [blame] | 443 | FileMgr->FixupRelativePath(NewOutFile); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 444 | if (llvm::error_code ec = llvm::sys::fs::rename(it->TempFilename, |
| 445 | NewOutFile.str())) { |
Manuel Klimek | 832a2aa | 2012-05-16 20:55:58 +0000 | [diff] [blame] | 446 | getDiagnostics().Report(diag::err_unable_to_rename_temp) |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 447 | << it->TempFilename << it->Filename << ec.message(); |
| 448 | |
| 449 | bool existed; |
| 450 | llvm::sys::fs::remove(it->TempFilename, existed); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 451 | } |
| 452 | } |
| 453 | } else if (!it->Filename.empty() && EraseFiles) |
| 454 | llvm::sys::Path(it->Filename).eraseFromDisk(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 455 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 456 | } |
| 457 | OutputFiles.clear(); |
| 458 | } |
| 459 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 460 | llvm::raw_fd_ostream * |
| 461 | CompilerInstance::createDefaultOutputFile(bool Binary, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 462 | StringRef InFile, |
| 463 | StringRef Extension) { |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 464 | return createOutputFile(getFrontendOpts().OutputFile, Binary, |
Daniel Dunbar | e21dd28 | 2012-03-03 00:36:06 +0000 | [diff] [blame] | 465 | /*RemoveFileOnSignal=*/true, InFile, Extension, |
| 466 | /*UseTemporary=*/true); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 470 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 471 | bool Binary, bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 472 | StringRef InFile, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 473 | StringRef Extension, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 474 | bool UseTemporary, |
| 475 | bool CreateMissingDirectories) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 476 | std::string Error, OutputPathName, TempPathName; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 477 | llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 478 | RemoveFileOnSignal, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 479 | InFile, Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 480 | UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 481 | CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 482 | &OutputPathName, |
| 483 | &TempPathName); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 484 | if (!OS) { |
Daniel Dunbar | 3604359 | 2009-12-03 09:13:30 +0000 | [diff] [blame] | 485 | getDiagnostics().Report(diag::err_fe_unable_to_open_output) |
| 486 | << OutputPath << Error; |
| 487 | return 0; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | // Add the output file -- but don't try to remove "-", since this means we are |
| 491 | // using stdin. |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 492 | addOutputFile(OutputFile((OutputPathName != "-") ? OutputPathName : "", |
| 493 | TempPathName, OS)); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 494 | |
| 495 | return OS; |
| 496 | } |
| 497 | |
| 498 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 499 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 500 | std::string &Error, |
| 501 | bool Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 502 | bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 503 | StringRef InFile, |
| 504 | StringRef Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 505 | bool UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 506 | bool CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 507 | std::string *ResultPathName, |
| 508 | std::string *TempPathName) { |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 509 | assert((!CreateMissingDirectories || UseTemporary) && |
| 510 | "CreateMissingDirectories is only allowed when using temporary files"); |
| 511 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 512 | std::string OutFile, TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 513 | if (!OutputPath.empty()) { |
| 514 | OutFile = OutputPath; |
| 515 | } else if (InFile == "-") { |
| 516 | OutFile = "-"; |
| 517 | } else if (!Extension.empty()) { |
| 518 | llvm::sys::Path Path(InFile); |
| 519 | Path.eraseSuffix(); |
| 520 | Path.appendSuffix(Extension); |
| 521 | OutFile = Path.str(); |
| 522 | } else { |
| 523 | OutFile = "-"; |
| 524 | } |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 525 | |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 526 | OwningPtr<llvm::raw_fd_ostream> OS; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 527 | std::string OSFile; |
| 528 | |
| 529 | if (UseTemporary && OutFile != "-") { |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 530 | // Only create the temporary if the parent directory exists (or create |
| 531 | // missing directories is true) and we can actually write to OutPath, |
| 532 | // otherwise we want to fail early. |
| 533 | SmallString<256> AbsPath(OutputPath); |
| 534 | llvm::sys::fs::make_absolute(AbsPath); |
| 535 | llvm::sys::Path OutPath(AbsPath); |
| 536 | bool ParentExists = false; |
| 537 | if (llvm::sys::fs::exists(llvm::sys::path::parent_path(AbsPath.str()), |
| 538 | ParentExists)) |
| 539 | ParentExists = false; |
Michael J. Spencer | 32bef4e | 2011-01-10 02:34:13 +0000 | [diff] [blame] | 540 | bool Exists; |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 541 | if ((CreateMissingDirectories || ParentExists) && |
| 542 | ((llvm::sys::fs::exists(AbsPath.str(), Exists) || !Exists) || |
| 543 | (OutPath.isRegularFile() && OutPath.canWrite()))) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 544 | // Create a temporary file. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 545 | SmallString<128> TempPath; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 546 | TempPath = OutFile; |
| 547 | TempPath += "-%%%%%%%%"; |
| 548 | int fd; |
| 549 | if (llvm::sys::fs::unique_file(TempPath.str(), fd, TempPath, |
Eric Christopher | 7d9ae25 | 2012-05-11 00:10:07 +0000 | [diff] [blame] | 550 | /*makeAbsolute=*/false, 0664) |
| 551 | == llvm::errc::success) { |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 552 | OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true)); |
| 553 | OSFile = TempFile = TempPath.str(); |
| 554 | } |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 555 | } |
| 556 | } |
| 557 | |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 558 | if (!OS) { |
| 559 | OSFile = OutFile; |
| 560 | OS.reset( |
| 561 | new llvm::raw_fd_ostream(OSFile.c_str(), Error, |
| 562 | (Binary ? llvm::raw_fd_ostream::F_Binary : 0))); |
| 563 | if (!Error.empty()) |
| 564 | return 0; |
| 565 | } |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 566 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 567 | // Make sure the out stream file gets removed if we crash. |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 568 | if (RemoveFileOnSignal) |
| 569 | llvm::sys::RemoveFileOnSignal(llvm::sys::Path(OSFile)); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 570 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 571 | if (ResultPathName) |
| 572 | *ResultPathName = OutFile; |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 573 | if (TempPathName) |
| 574 | *TempPathName = TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 575 | |
Daniel Dunbar | fc97102 | 2009-11-20 22:32:38 +0000 | [diff] [blame] | 576 | return OS.take(); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 577 | } |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 578 | |
| 579 | // Initialization Utilities |
| 580 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 581 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input){ |
| 582 | return InitializeSourceManager(Input, getDiagnostics(), |
Douglas Gregor | a1f1fad | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 583 | getFileManager(), getSourceManager(), |
| 584 | getFrontendOpts()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 585 | } |
| 586 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 587 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 588 | DiagnosticsEngine &Diags, |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 589 | FileManager &FileMgr, |
| 590 | SourceManager &SourceMgr, |
| 591 | const FrontendOptions &Opts) { |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 592 | SrcMgr::CharacteristicKind |
Argyrios Kyrtzidis | 8616f9a | 2012-11-09 19:40:39 +0000 | [diff] [blame] | 593 | Kind = Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User; |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 594 | |
Argyrios Kyrtzidis | ecd27bf | 2012-11-09 19:40:45 +0000 | [diff] [blame] | 595 | if (Input.isBuffer()) { |
| 596 | SourceMgr.createMainFileIDForMemBuffer(Input.getBuffer(), Kind); |
| 597 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 598 | "Couldn't establish MainFileID!"); |
| 599 | return true; |
| 600 | } |
| 601 | |
| 602 | StringRef InputFile = Input.getFile(); |
| 603 | |
Argyrios Kyrtzidis | 507097e | 2011-09-19 20:40:35 +0000 | [diff] [blame] | 604 | // Figure out where to get and map in the main file. |
| 605 | if (InputFile != "-") { |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 606 | const FileEntry *File = FileMgr.getFile(InputFile); |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 607 | if (!File) { |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 608 | Diags.Report(diag::err_fe_error_reading) << InputFile; |
| 609 | return false; |
| 610 | } |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 611 | |
| 612 | // The natural SourceManager infrastructure can't currently handle named |
| 613 | // pipes, but we would at least like to accept them for the main |
| 614 | // file. Detect them here, read them with the more generic MemoryBuffer |
| 615 | // function, and simply override their contents as we do for STDIN. |
| 616 | if (File->isNamedPipe()) { |
| 617 | OwningPtr<llvm::MemoryBuffer> MB; |
| 618 | if (llvm::error_code ec = llvm::MemoryBuffer::getFile(InputFile, MB)) { |
| 619 | Diags.Report(diag::err_cannot_open_file) << InputFile << ec.message(); |
| 620 | return false; |
| 621 | } |
Daniel Dunbar | acf3612 | 2012-11-27 00:04:16 +0000 | [diff] [blame] | 622 | |
| 623 | // Create a new virtual file that will have the correct size. |
| 624 | File = FileMgr.getVirtualFile(InputFile, MB->getBufferSize(), 0); |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 625 | SourceMgr.overrideFileContents(File, MB.take()); |
| 626 | } |
Daniel Dunbar | acf3612 | 2012-11-27 00:04:16 +0000 | [diff] [blame] | 627 | |
| 628 | SourceMgr.createMainFileID(File, Kind); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 629 | } else { |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 630 | OwningPtr<llvm::MemoryBuffer> SB; |
Michael J. Spencer | 4eeebc4 | 2010-12-16 03:28:14 +0000 | [diff] [blame] | 631 | if (llvm::MemoryBuffer::getSTDIN(SB)) { |
Michael J. Spencer | 3a321e2 | 2010-12-09 17:36:38 +0000 | [diff] [blame] | 632 | // FIXME: Give ec.message() in this diag. |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 633 | Diags.Report(diag::err_fe_error_reading_stdin); |
| 634 | return false; |
| 635 | } |
Dan Gohman | 90d9081 | 2010-10-26 23:21:25 +0000 | [diff] [blame] | 636 | const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(), |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 637 | SB->getBufferSize(), 0); |
Douglas Gregor | a1f1fad | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 638 | SourceMgr.createMainFileID(File, Kind); |
Michael J. Spencer | 4eeebc4 | 2010-12-16 03:28:14 +0000 | [diff] [blame] | 639 | SourceMgr.overrideFileContents(File, SB.take()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 640 | } |
| 641 | |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 642 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 643 | "Couldn't establish MainFileID!"); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 644 | return true; |
| 645 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 646 | |
| 647 | // High-Level Operations |
| 648 | |
| 649 | bool CompilerInstance::ExecuteAction(FrontendAction &Act) { |
| 650 | assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); |
| 651 | assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); |
| 652 | assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); |
| 653 | |
| 654 | // FIXME: Take this as an argument, once all the APIs we used have moved to |
| 655 | // taking it as an input instead of hard-coding llvm::errs. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 656 | raw_ostream &OS = llvm::errs(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 657 | |
| 658 | // Create the target instance. |
Douglas Gregor | 49a8754 | 2012-11-16 04:24:59 +0000 | [diff] [blame] | 659 | setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), &getTargetOpts())); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 660 | if (!hasTarget()) |
| 661 | return false; |
| 662 | |
| 663 | // Inform the target of the language options. |
| 664 | // |
| 665 | // FIXME: We shouldn't need to do this, the target should be immutable once |
| 666 | // created. This complexity should be lifted elsewhere. |
| 667 | getTarget().setForcedLangOptions(getLangOpts()); |
| 668 | |
Fariborz Jahanian | 93a4994 | 2012-04-16 21:03:30 +0000 | [diff] [blame] | 669 | // rewriter project will change target built-in bool type from its default. |
| 670 | if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) |
| 671 | getTarget().noSignedCharForObjCBool(); |
| 672 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 673 | // Validate/process some options. |
| 674 | if (getHeaderSearchOpts().Verbose) |
| 675 | OS << "clang -cc1 version " CLANG_VERSION_STRING |
| 676 | << " based upon " << PACKAGE_STRING |
Sebastian Pop | 5d8b954 | 2011-11-01 21:33:06 +0000 | [diff] [blame] | 677 | << " default target " << llvm::sys::getDefaultTargetTriple() << "\n"; |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 678 | |
| 679 | if (getFrontendOpts().ShowTimers) |
| 680 | createFrontendTimer(); |
| 681 | |
Douglas Gregor | 95dd558 | 2010-03-30 17:33:59 +0000 | [diff] [blame] | 682 | if (getFrontendOpts().ShowStats) |
| 683 | llvm::EnableStatistics(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 684 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 685 | for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 686 | // Reset the ID tables if we are reusing the SourceManager. |
| 687 | if (hasSourceManager()) |
| 688 | getSourceManager().clearIDTables(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 689 | |
Douglas Gregor | 1f6b2b5 | 2012-01-20 16:28:04 +0000 | [diff] [blame] | 690 | if (Act.BeginSourceFile(*this, getFrontendOpts().Inputs[i])) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 691 | Act.Execute(); |
| 692 | Act.EndSourceFile(); |
| 693 | } |
| 694 | } |
| 695 | |
Argyrios Kyrtzidis | 29f2787 | 2011-12-07 05:52:12 +0000 | [diff] [blame] | 696 | // Notify the diagnostic client that all files were processed. |
| 697 | getDiagnostics().getClient()->finish(); |
| 698 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 699 | if (getDiagnosticOpts().ShowCarets) { |
Argyrios Kyrtzidis | f2224d8 | 2010-11-18 20:06:46 +0000 | [diff] [blame] | 700 | // We can have multiple diagnostics sharing one diagnostic client. |
| 701 | // Get the total number of warnings/errors from the client. |
| 702 | unsigned NumWarnings = getDiagnostics().getClient()->getNumWarnings(); |
| 703 | unsigned NumErrors = getDiagnostics().getClient()->getNumErrors(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 704 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 705 | if (NumWarnings) |
| 706 | OS << NumWarnings << " warning" << (NumWarnings == 1 ? "" : "s"); |
| 707 | if (NumWarnings && NumErrors) |
| 708 | OS << " and "; |
| 709 | if (NumErrors) |
| 710 | OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s"); |
| 711 | if (NumWarnings || NumErrors) |
| 712 | OS << " generated.\n"; |
| 713 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 714 | |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 715 | if (getFrontendOpts().ShowStats && hasFileManager()) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 716 | getFileManager().PrintStats(); |
| 717 | OS << "\n"; |
| 718 | } |
| 719 | |
Argyrios Kyrtzidis | ab41b97 | 2010-11-18 21:13:57 +0000 | [diff] [blame] | 720 | return !getDiagnostics().getClient()->getNumErrors(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 721 | } |
| 722 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 723 | /// \brief Determine the appropriate source input kind based on language |
| 724 | /// options. |
| 725 | static InputKind getSourceInputKindFromOptions(const LangOptions &LangOpts) { |
| 726 | if (LangOpts.OpenCL) |
| 727 | return IK_OpenCL; |
| 728 | if (LangOpts.CUDA) |
| 729 | return IK_CUDA; |
| 730 | if (LangOpts.ObjC1) |
| 731 | return LangOpts.CPlusPlus? IK_ObjCXX : IK_ObjC; |
| 732 | return LangOpts.CPlusPlus? IK_CXX : IK_C; |
| 733 | } |
| 734 | |
Douglas Gregor | 0ced799 | 2011-10-04 00:21:21 +0000 | [diff] [blame] | 735 | namespace { |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 736 | struct CompileModuleMapData { |
| 737 | CompilerInstance &Instance; |
| 738 | GenerateModuleAction &CreateModuleAction; |
| 739 | }; |
| 740 | } |
| 741 | |
| 742 | /// \brief Helper function that executes the module-generating action under |
| 743 | /// a crash recovery context. |
| 744 | static void doCompileMapModule(void *UserData) { |
| 745 | CompileModuleMapData &Data |
| 746 | = *reinterpret_cast<CompileModuleMapData *>(UserData); |
| 747 | Data.Instance.ExecuteAction(Data.CreateModuleAction); |
| 748 | } |
| 749 | |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 750 | namespace { |
| 751 | /// \brief Function object that checks with the given macro definition should |
| 752 | /// be removed, because it is one of the ignored macros. |
| 753 | class RemoveIgnoredMacro { |
| 754 | const HeaderSearchOptions &HSOpts; |
| 755 | |
| 756 | public: |
| 757 | explicit RemoveIgnoredMacro(const HeaderSearchOptions &HSOpts) |
| 758 | : HSOpts(HSOpts) { } |
| 759 | |
| 760 | bool operator()(const std::pair<std::string, bool> &def) const { |
Douglas Gregor | 005d51b | 2013-02-07 01:18:48 +0000 | [diff] [blame] | 761 | StringRef MacroDef = def.first; |
| 762 | return HSOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first) > 0; |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 763 | } |
| 764 | }; |
| 765 | } |
| 766 | |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 767 | /// \brief Compile a module file for the given module, using the options |
| 768 | /// provided by the importing compiler instance. |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 769 | static void compileModule(CompilerInstance &ImportingInstance, |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 770 | SourceLocation ImportLoc, |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 771 | Module *Module, |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 772 | StringRef ModuleFileName) { |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 773 | llvm::LockFileManager Locked(ModuleFileName); |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 774 | switch (Locked) { |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 775 | case llvm::LockFileManager::LFS_Error: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 776 | return; |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 777 | |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 778 | case llvm::LockFileManager::LFS_Owned: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 779 | // We're responsible for building the module ourselves. Do so below. |
| 780 | break; |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 781 | |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 782 | case llvm::LockFileManager::LFS_Shared: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 783 | // Someone else is responsible for building the module. Wait for them to |
| 784 | // finish. |
| 785 | Locked.waitForUnlock(); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 786 | return; |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 787 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 788 | |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 789 | ModuleMap &ModMap |
| 790 | = ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap(); |
| 791 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 792 | // Construct a compiler invocation for creating this module. |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 793 | IntrusiveRefCntPtr<CompilerInvocation> Invocation |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 794 | (new CompilerInvocation(ImportingInstance.getInvocation())); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 795 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 796 | PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts(); |
| 797 | |
Douglas Gregor | b2d39c2 | 2011-09-15 20:53:28 +0000 | [diff] [blame] | 798 | // For any options that aren't intended to affect how a module is built, |
| 799 | // reset them to their default values. |
Ted Kremenek | d3b74d9 | 2011-11-17 23:01:24 +0000 | [diff] [blame] | 800 | Invocation->getLangOpts()->resetNonModularOptions(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 801 | PPOpts.resetNonModularOptions(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 802 | |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 803 | // Remove any macro definitions that are explicitly ignored by the module. |
| 804 | // They aren't supposed to affect how the module is built anyway. |
| 805 | const HeaderSearchOptions &HSOpts = Invocation->getHeaderSearchOpts(); |
| 806 | PPOpts.Macros.erase(std::remove_if(PPOpts.Macros.begin(), PPOpts.Macros.end(), |
| 807 | RemoveIgnoredMacro(HSOpts)), |
| 808 | PPOpts.Macros.end()); |
| 809 | |
| 810 | |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 811 | // Note the name of the module we're building. |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 812 | Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName(); |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 813 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 814 | // Make sure that the failed-module structure has been allocated in |
| 815 | // the importing instance, and propagate the pointer to the newly-created |
| 816 | // instance. |
| 817 | PreprocessorOptions &ImportingPPOpts |
| 818 | = ImportingInstance.getInvocation().getPreprocessorOpts(); |
| 819 | if (!ImportingPPOpts.FailedModules) |
| 820 | ImportingPPOpts.FailedModules = new PreprocessorOptions::FailedModulesSet; |
| 821 | PPOpts.FailedModules = ImportingPPOpts.FailedModules; |
| 822 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 823 | // 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] | 824 | // Set up the inputs/outputs so that we build the module from its umbrella |
| 825 | // header. |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 826 | FrontendOptions &FrontendOpts = Invocation->getFrontendOpts(); |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 827 | FrontendOpts.OutputFile = ModuleFileName.str(); |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 828 | FrontendOpts.DisableFree = false; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 829 | FrontendOpts.GenerateGlobalModuleIndex = false; |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 830 | FrontendOpts.Inputs.clear(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 831 | InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 832 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 833 | // Get or create the module map that we'll use to build this module. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 834 | SmallString<128> TempModuleMapFileName; |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 835 | if (const FileEntry *ModuleMapFile |
| 836 | = ModMap.getContainingModuleMapFile(Module)) { |
| 837 | // Use the module map where this module resides. |
Douglas Gregor | 1f6b2b5 | 2012-01-20 16:28:04 +0000 | [diff] [blame] | 838 | FrontendOpts.Inputs.push_back(FrontendInputFile(ModuleMapFile->getName(), |
| 839 | IK)); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 840 | } else { |
| 841 | // Create a temporary module map file. |
| 842 | TempModuleMapFileName = Module->Name; |
| 843 | TempModuleMapFileName += "-%%%%%%%%.map"; |
| 844 | int FD; |
| 845 | if (llvm::sys::fs::unique_file(TempModuleMapFileName.str(), FD, |
| 846 | TempModuleMapFileName, |
Douglas Gregor | 1e821e9 | 2011-12-06 22:05:29 +0000 | [diff] [blame] | 847 | /*makeAbsolute=*/true) |
Douglas Gregor | e912029 | 2011-12-06 23:04:08 +0000 | [diff] [blame] | 848 | != llvm::errc::success) { |
Douglas Gregor | f64114b | 2011-12-07 00:54:14 +0000 | [diff] [blame] | 849 | ImportingInstance.getDiagnostics().Report(diag::err_module_map_temp_file) |
| 850 | << TempModuleMapFileName; |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 851 | return; |
Douglas Gregor | e912029 | 2011-12-06 23:04:08 +0000 | [diff] [blame] | 852 | } |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 853 | // Print the module map to this file. |
| 854 | llvm::raw_fd_ostream OS(FD, /*shouldClose=*/true); |
| 855 | Module->print(OS); |
| 856 | FrontendOpts.Inputs.push_back( |
Douglas Gregor | 1f6b2b5 | 2012-01-20 16:28:04 +0000 | [diff] [blame] | 857 | FrontendInputFile(TempModuleMapFileName.str().str(), IK)); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | // Don't free the remapped file buffers; they are owned by our caller. |
| 861 | PPOpts.RetainRemappedFileBuffers = true; |
| 862 | |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 863 | Invocation->getDiagnosticOpts().VerifyDiagnostics = 0; |
Douglas Gregor | 76d991e | 2011-09-13 23:20:27 +0000 | [diff] [blame] | 864 | assert(ImportingInstance.getInvocation().getModuleHash() == |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 865 | Invocation->getModuleHash() && "Module hash mismatch!"); |
| 866 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 867 | // Construct a compiler instance that will be used to actually create the |
| 868 | // module. |
| 869 | CompilerInstance Instance; |
| 870 | Instance.setInvocation(&*Invocation); |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 871 | Instance.createDiagnostics(&ImportingInstance.getDiagnosticClient(), |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 872 | /*ShouldOwnClient=*/true, |
| 873 | /*ShouldCloneClient=*/true); |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 874 | |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 875 | // 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] | 876 | // can detect cycles in the module graph. |
| 877 | Instance.createFileManager(); // FIXME: Adopt file manager from importer? |
| 878 | Instance.createSourceManager(Instance.getFileManager()); |
| 879 | SourceManager &SourceMgr = Instance.getSourceManager(); |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 880 | SourceMgr.setModuleBuildStack( |
| 881 | ImportingInstance.getSourceManager().getModuleBuildStack()); |
| 882 | SourceMgr.pushModuleBuildStack(Module->getTopLevelModuleName(), |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 883 | FullSourceLoc(ImportLoc, ImportingInstance.getSourceManager())); |
| 884 | |
| 885 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 886 | // Construct a module-generating action. |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 887 | GenerateModuleAction CreateModuleAction; |
| 888 | |
Douglas Gregor | 0ced799 | 2011-10-04 00:21:21 +0000 | [diff] [blame] | 889 | // Execute the action to actually build the module in-place. Use a separate |
| 890 | // thread so that we get a stack large enough. |
| 891 | const unsigned ThreadStackSize = 8 << 20; |
| 892 | llvm::CrashRecoveryContext CRC; |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 893 | CompileModuleMapData Data = { Instance, CreateModuleAction }; |
| 894 | CRC.RunSafelyOnThread(&doCompileMapModule, &Data, ThreadStackSize); |
| 895 | |
| 896 | // Delete the temporary module map file. |
| 897 | // FIXME: Even though we're executing under crash protection, it would still |
| 898 | // be nice to do this with RemoveFileOnSignal when we can. However, that |
| 899 | // doesn't make sense for all clients, so clean this up manually. |
Benjamin Kramer | a2e9489 | 2012-10-14 19:50:53 +0000 | [diff] [blame] | 900 | Instance.clearOutputFiles(/*EraseFiles=*/true); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 901 | if (!TempModuleMapFileName.empty()) |
| 902 | llvm::sys::Path(TempModuleMapFileName).eraseFromDisk(); |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 903 | |
| 904 | // We've rebuilt a module. If we're allowed to generate or update the global |
| 905 | // module index, record that fact in the importing compiler instance. |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 906 | if (ImportingInstance.getFrontendOpts().GenerateGlobalModuleIndex) { |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 907 | ImportingInstance.setBuildGlobalModuleIndex(true); |
| 908 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 909 | } |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 910 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 911 | /// \brief Diagnose differences between the current definition of the given |
| 912 | /// configuration macro and the definition provided on the command line. |
| 913 | static void checkConfigMacro(Preprocessor &PP, StringRef ConfigMacro, |
| 914 | Module *Mod, SourceLocation ImportLoc) { |
| 915 | IdentifierInfo *Id = PP.getIdentifierInfo(ConfigMacro); |
| 916 | SourceManager &SourceMgr = PP.getSourceManager(); |
| 917 | |
| 918 | // If this identifier has never had a macro definition, then it could |
| 919 | // not have changed. |
| 920 | if (!Id->hadMacroDefinition()) |
| 921 | return; |
| 922 | |
| 923 | // If this identifier does not currently have a macro definition, |
| 924 | // check whether it had one on the command line. |
| 925 | if (!Id->hasMacroDefinition()) { |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 926 | MacroDirective::DefInfo LatestDef = |
| 927 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 928 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 929 | Def = Def.getPreviousDefinition()) { |
| 930 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 931 | if (FID.isInvalid()) |
| 932 | continue; |
| 933 | |
| 934 | const llvm::MemoryBuffer *Buffer = SourceMgr.getBuffer(FID); |
| 935 | if (!Buffer) |
| 936 | continue; |
| 937 | |
| 938 | // We only care about the predefines buffer. |
| 939 | if (!StringRef(Buffer->getBufferIdentifier()).equals("<built-in>")) |
| 940 | continue; |
| 941 | |
| 942 | // This macro was defined on the command line, then #undef'd later. |
| 943 | // Complain. |
| 944 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 945 | << true << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 946 | if (LatestDef.isUndefined()) |
| 947 | PP.Diag(LatestDef.getUndefLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 948 | << true; |
| 949 | return; |
| 950 | } |
| 951 | |
| 952 | // Okay: no definition in the predefines buffer. |
| 953 | return; |
| 954 | } |
| 955 | |
| 956 | // This identifier has a macro definition. Check whether we had a definition |
| 957 | // on the command line. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 958 | MacroDirective::DefInfo LatestDef = |
| 959 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 960 | MacroDirective::DefInfo PredefinedDef; |
| 961 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 962 | Def = Def.getPreviousDefinition()) { |
| 963 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 964 | if (FID.isInvalid()) |
| 965 | continue; |
| 966 | |
| 967 | const llvm::MemoryBuffer *Buffer = SourceMgr.getBuffer(FID); |
| 968 | if (!Buffer) |
| 969 | continue; |
| 970 | |
| 971 | // We only care about the predefines buffer. |
| 972 | if (!StringRef(Buffer->getBufferIdentifier()).equals("<built-in>")) |
| 973 | continue; |
| 974 | |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 975 | PredefinedDef = Def; |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 976 | break; |
| 977 | } |
| 978 | |
| 979 | // If there was no definition for this macro in the predefines buffer, |
| 980 | // complain. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 981 | if (!PredefinedDef || |
| 982 | (!PredefinedDef.getLocation().isValid() && |
| 983 | PredefinedDef.getUndefLocation().isValid())) { |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 984 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 985 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 986 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 987 | << false; |
| 988 | return; |
| 989 | } |
| 990 | |
| 991 | // If the current macro definition is the same as the predefined macro |
| 992 | // definition, it's okay. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 993 | if (LatestDef.getMacroInfo() == PredefinedDef.getMacroInfo() || |
| 994 | LatestDef.getMacroInfo()->isIdenticalTo(*PredefinedDef.getMacroInfo(),PP)) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 995 | return; |
| 996 | |
| 997 | // The macro definitions differ. |
| 998 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 999 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 1000 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1001 | << false; |
| 1002 | } |
| 1003 | |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1004 | /// \brief Write a new timestamp file with the given path. |
| 1005 | static void writeTimestampFile(StringRef TimestampFile) { |
| 1006 | std::string ErrorInfo; |
| 1007 | llvm::raw_fd_ostream Out(TimestampFile.str().c_str(), ErrorInfo, |
| 1008 | llvm::raw_fd_ostream::F_Binary); |
| 1009 | } |
| 1010 | |
| 1011 | /// \brief Prune the module cache of modules that haven't been accessed in |
| 1012 | /// a long time. |
| 1013 | static void pruneModuleCache(const HeaderSearchOptions &HSOpts) { |
| 1014 | struct stat StatBuf; |
| 1015 | llvm::SmallString<128> TimestampFile; |
| 1016 | TimestampFile = HSOpts.ModuleCachePath; |
| 1017 | llvm::sys::path::append(TimestampFile, "modules.timestamp"); |
| 1018 | |
| 1019 | // Try to stat() the timestamp file. |
| 1020 | if (::stat(TimestampFile.c_str(), &StatBuf)) { |
| 1021 | // If the timestamp file wasn't there, create one now. |
| 1022 | if (errno == ENOENT) { |
| 1023 | writeTimestampFile(TimestampFile); |
| 1024 | } |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | // Check whether the time stamp is older than our pruning interval. |
| 1029 | // If not, do nothing. |
| 1030 | time_t TimeStampModTime = StatBuf.st_mtime; |
| 1031 | time_t CurrentTime = time(0); |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame^] | 1032 | if (CurrentTime - TimeStampModTime <= time_t(HSOpts.ModuleCachePruneInterval)) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1033 | return; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1034 | |
| 1035 | // Write a new timestamp file so that nobody else attempts to prune. |
| 1036 | // There is a benign race condition here, if two Clang instances happen to |
| 1037 | // notice at the same time that the timestamp is out-of-date. |
| 1038 | writeTimestampFile(TimestampFile); |
| 1039 | |
| 1040 | // Walk the entire module cache, looking for unused module files and module |
| 1041 | // indices. |
| 1042 | llvm::error_code EC; |
| 1043 | SmallString<128> ModuleCachePathNative; |
| 1044 | llvm::sys::path::native(HSOpts.ModuleCachePath, ModuleCachePathNative); |
| 1045 | for (llvm::sys::fs::directory_iterator |
| 1046 | Dir(ModuleCachePathNative.str(), EC), DirEnd; |
| 1047 | Dir != DirEnd && !EC; Dir.increment(EC)) { |
| 1048 | // If we don't have a directory, there's nothing to look into. |
| 1049 | bool IsDirectory; |
| 1050 | if (llvm::sys::fs::is_directory(Dir->path(), IsDirectory) || !IsDirectory) |
| 1051 | continue; |
| 1052 | |
| 1053 | // Walk all of the files within this directory. |
| 1054 | bool RemovedAllFiles = true; |
| 1055 | for (llvm::sys::fs::directory_iterator File(Dir->path(), EC), FileEnd; |
| 1056 | File != FileEnd && !EC; File.increment(EC)) { |
| 1057 | // We only care about module and global module index files. |
| 1058 | if (llvm::sys::path::extension(File->path()) != ".pcm" && |
| 1059 | llvm::sys::path::filename(File->path()) != "modules.idx") { |
| 1060 | RemovedAllFiles = false; |
| 1061 | continue; |
| 1062 | } |
| 1063 | |
| 1064 | // Look at this file. If we can't stat it, there's nothing interesting |
| 1065 | // there. |
| 1066 | if (::stat(File->path().c_str(), &StatBuf)) { |
| 1067 | RemovedAllFiles = false; |
| 1068 | continue; |
| 1069 | } |
| 1070 | |
| 1071 | // If the file has been used recently enough, leave it there. |
| 1072 | time_t FileAccessTime = StatBuf.st_atime; |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame^] | 1073 | if (CurrentTime - FileAccessTime <= |
| 1074 | time_t(HSOpts.ModuleCachePruneAfter)) { |
| 1075 | RemovedAllFiles = false; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1076 | continue; |
| 1077 | } |
| 1078 | |
| 1079 | // Remove the file. |
| 1080 | bool Existed; |
| 1081 | if (llvm::sys::fs::remove(File->path(), Existed) || !Existed) { |
| 1082 | RemovedAllFiles = false; |
| 1083 | } |
| 1084 | } |
| 1085 | |
| 1086 | // If we removed all of the files in the directory, remove the directory |
| 1087 | // itself. |
| 1088 | if (RemovedAllFiles) { |
| 1089 | bool Existed; |
| 1090 | llvm::sys::fs::remove(Dir->path(), Existed); |
| 1091 | } |
| 1092 | } |
| 1093 | } |
| 1094 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1095 | ModuleLoadResult |
| 1096 | CompilerInstance::loadModule(SourceLocation ImportLoc, |
| 1097 | ModuleIdPath Path, |
| 1098 | Module::NameVisibilityKind Visibility, |
| 1099 | bool IsInclusionDirective) { |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1100 | // If we've already handled this import, just return the cached result. |
| 1101 | // This one-element cache is important to eliminate redundant diagnostics |
| 1102 | // when both the preprocessor and parser see the same import declaration. |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1103 | if (!ImportLoc.isInvalid() && LastModuleImportLoc == ImportLoc) { |
| 1104 | // Make the named module visible. |
| 1105 | if (LastModuleImportResult) |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1106 | ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1107 | ImportLoc, /*Complain=*/false); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1108 | return LastModuleImportResult; |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1109 | } |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1110 | |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1111 | // Determine what file we're searching from. |
Douglas Gregor | 3d3589d | 2011-11-30 00:36:36 +0000 | [diff] [blame] | 1112 | StringRef ModuleName = Path[0].first->getName(); |
| 1113 | SourceLocation ModuleNameLoc = Path[0].second; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1114 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 1115 | clang::Module *Module = 0; |
Douglas Gregor | 3d3589d | 2011-11-30 00:36:36 +0000 | [diff] [blame] | 1116 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1117 | // 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] | 1118 | llvm::DenseMap<const IdentifierInfo *, clang::Module *>::iterator Known |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1119 | = KnownModules.find(Path[0].first); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1120 | if (Known != KnownModules.end()) { |
| 1121 | // Retrieve the cached top-level module. |
| 1122 | Module = Known->second; |
| 1123 | } else if (ModuleName == getLangOpts().CurrentModule) { |
| 1124 | // This is the module we're building. |
| 1125 | Module = PP->getHeaderSearchInfo().getModuleMap().findModule(ModuleName); |
| 1126 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
| 1127 | } else { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1128 | // Search for a module with the given name. |
Douglas Gregor | e434ec7 | 2012-01-29 17:08:11 +0000 | [diff] [blame] | 1129 | Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1130 | std::string ModuleFileName; |
Douglas Gregor | 8bf778e | 2013-02-06 22:40:31 +0000 | [diff] [blame] | 1131 | if (Module) { |
Douglas Gregor | e434ec7 | 2012-01-29 17:08:11 +0000 | [diff] [blame] | 1132 | ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(Module); |
Douglas Gregor | 8bf778e | 2013-02-06 22:40:31 +0000 | [diff] [blame] | 1133 | } else |
Douglas Gregor | e434ec7 | 2012-01-29 17:08:11 +0000 | [diff] [blame] | 1134 | ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(ModuleName); |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1135 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1136 | // If we don't already have an ASTReader, create one now. |
| 1137 | if (!ModuleManager) { |
| 1138 | if (!hasASTContext()) |
| 1139 | createASTContext(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 1140 | |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1141 | // If we're not recursively building a module, check whether we |
| 1142 | // need to prune the module cache. |
| 1143 | if (getSourceManager().getModuleBuildStack().empty() && |
| 1144 | getHeaderSearchOpts().ModuleCachePruneInterval > 0 && |
| 1145 | getHeaderSearchOpts().ModuleCachePruneAfter > 0) { |
| 1146 | pruneModuleCache(getHeaderSearchOpts()); |
| 1147 | } |
| 1148 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1149 | std::string Sysroot = getHeaderSearchOpts().Sysroot; |
| 1150 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
| 1151 | ModuleManager = new ASTReader(getPreprocessor(), *Context, |
| 1152 | Sysroot.empty() ? "" : Sysroot.c_str(), |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1153 | PPOpts.DisablePCHValidation, |
| 1154 | /*AllowASTWithCompilerErrors=*/false, |
| 1155 | getFrontendOpts().UseGlobalModuleIndex); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1156 | if (hasASTConsumer()) { |
| 1157 | ModuleManager->setDeserializationListener( |
| 1158 | getASTConsumer().GetASTDeserializationListener()); |
| 1159 | getASTContext().setASTMutationListener( |
| 1160 | getASTConsumer().GetASTMutationListener()); |
| 1161 | } |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 1162 | OwningPtr<ExternalASTSource> Source; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1163 | Source.reset(ModuleManager); |
| 1164 | getASTContext().setExternalSource(Source); |
| 1165 | if (hasSema()) |
| 1166 | ModuleManager->InitializeSema(getSema()); |
| 1167 | if (hasASTConsumer()) |
| 1168 | ModuleManager->StartTranslationUnit(&getASTConsumer()); |
Douglas Gregor | de8a905 | 2011-09-14 23:13:09 +0000 | [diff] [blame] | 1169 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1170 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1171 | // Try to load the module file. |
| 1172 | unsigned ARRFlags = ASTReader::ARR_OutOfDate | ASTReader::ARR_Missing; |
| 1173 | switch (ModuleManager->ReadAST(ModuleFileName, serialization::MK_Module, |
| 1174 | ImportLoc, ARRFlags)) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1175 | case ASTReader::Success: |
| 1176 | break; |
| 1177 | |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1178 | case ASTReader::OutOfDate: { |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1179 | // The module file is out-of-date. Remove it, then rebuild it. |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1180 | bool Existed; |
| 1181 | llvm::sys::fs::remove(ModuleFileName, Existed); |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1182 | } |
| 1183 | // Fall through to build the module again. |
| 1184 | |
| 1185 | case ASTReader::Missing: { |
| 1186 | // The module file is (now) missing. Build it. |
| 1187 | |
| 1188 | // If we don't have a module, we don't know how to build the module file. |
| 1189 | // Complain and return. |
| 1190 | if (!Module) { |
| 1191 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_found) |
| 1192 | << ModuleName |
| 1193 | << SourceRange(ImportLoc, ModuleNameLoc); |
| 1194 | ModuleBuildFailed = true; |
| 1195 | return ModuleLoadResult(); |
| 1196 | } |
| 1197 | |
| 1198 | // Check whether there is a cycle in the module graph. |
| 1199 | ModuleBuildStack ModPath = getSourceManager().getModuleBuildStack(); |
| 1200 | ModuleBuildStack::iterator Pos = ModPath.begin(), PosEnd = ModPath.end(); |
| 1201 | for (; Pos != PosEnd; ++Pos) { |
| 1202 | if (Pos->first == ModuleName) |
| 1203 | break; |
| 1204 | } |
| 1205 | |
| 1206 | if (Pos != PosEnd) { |
| 1207 | SmallString<256> CyclePath; |
| 1208 | for (; Pos != PosEnd; ++Pos) { |
| 1209 | CyclePath += Pos->first; |
| 1210 | CyclePath += " -> "; |
| 1211 | } |
| 1212 | CyclePath += ModuleName; |
| 1213 | |
| 1214 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_cycle) |
| 1215 | << ModuleName << CyclePath; |
| 1216 | return ModuleLoadResult(); |
| 1217 | } |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1218 | |
| 1219 | // Check whether we have already attempted to build this module (but |
| 1220 | // failed). |
| 1221 | if (getPreprocessorOpts().FailedModules && |
| 1222 | getPreprocessorOpts().FailedModules->hasAlreadyFailed(ModuleName)) { |
| 1223 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_built) |
| 1224 | << ModuleName |
| 1225 | << SourceRange(ImportLoc, ModuleNameLoc); |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1226 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1227 | return ModuleLoadResult(); |
| 1228 | } |
| 1229 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1230 | // Try to compile the module. |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 1231 | compileModule(*this, ModuleNameLoc, Module, ModuleFileName); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1232 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1233 | // Try to read the module file, now that we've compiled it. |
| 1234 | ASTReader::ASTReadResult ReadResult |
| 1235 | = ModuleManager->ReadAST(ModuleFileName, |
Argyrios Kyrtzidis | 958bcaf | 2012-11-15 18:57:22 +0000 | [diff] [blame] | 1236 | serialization::MK_Module, ImportLoc, |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1237 | ASTReader::ARR_Missing); |
| 1238 | if (ReadResult != ASTReader::Success) { |
| 1239 | if (ReadResult == ASTReader::Missing) { |
| 1240 | getDiagnostics().Report(ModuleNameLoc, |
| 1241 | Module? diag::err_module_not_built |
| 1242 | : diag::err_module_not_found) |
| 1243 | << ModuleName |
| 1244 | << SourceRange(ImportLoc, ModuleNameLoc); |
| 1245 | } |
| 1246 | |
Douglas Gregor | b8a8be1 | 2013-01-10 02:04:18 +0000 | [diff] [blame] | 1247 | if (getPreprocessorOpts().FailedModules) |
| 1248 | getPreprocessorOpts().FailedModules->addFailed(ModuleName); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1249 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1250 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1251 | return ModuleLoadResult(); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1252 | } |
| 1253 | |
| 1254 | // Okay, we've rebuilt and now loaded the module. |
| 1255 | break; |
| 1256 | } |
| 1257 | |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 1258 | case ASTReader::VersionMismatch: |
| 1259 | case ASTReader::ConfigurationMismatch: |
| 1260 | case ASTReader::HadErrors: |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1261 | // FIXME: The ASTReader will already have complained, but can we showhorn |
| 1262 | // that diagnostic information into a more useful form? |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1263 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1264 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1265 | |
| 1266 | case ASTReader::Failure: |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1267 | // Already complained, but note now that we failed. |
| 1268 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1269 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1270 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1271 | } |
| 1272 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1273 | if (!Module) { |
| 1274 | // If we loaded the module directly, without finding a module map first, |
| 1275 | // we'll have loaded the module's information from the module itself. |
| 1276 | Module = PP->getHeaderSearchInfo().getModuleMap() |
| 1277 | .findModule((Path[0].first->getName())); |
| 1278 | } |
Argyrios Kyrtzidis | e2ac16b | 2012-09-29 01:06:04 +0000 | [diff] [blame] | 1279 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1280 | // Cache the result of this top-level module lookup for later. |
| 1281 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1282 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1283 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1284 | // If we never found the module, fail. |
| 1285 | if (!Module) |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1286 | return ModuleLoadResult(); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1287 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1288 | // Verify that the rest of the module path actually corresponds to |
| 1289 | // a submodule. |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1290 | if (Path.size() > 1) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1291 | for (unsigned I = 1, N = Path.size(); I != N; ++I) { |
| 1292 | StringRef Name = Path[I].first->getName(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1293 | clang::Module *Sub = Module->findSubmodule(Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1294 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1295 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1296 | // Attempt to perform typo correction to find a module name that works. |
Dmitri Gribenko | cfa88f8 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 1297 | SmallVector<StringRef, 2> Best; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1298 | unsigned BestEditDistance = (std::numeric_limits<unsigned>::max)(); |
| 1299 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1300 | for (clang::Module::submodule_iterator J = Module->submodule_begin(), |
| 1301 | JEnd = Module->submodule_end(); |
Matt Beaumont-Gay | e25633f | 2011-11-30 19:41:21 +0000 | [diff] [blame] | 1302 | J != JEnd; ++J) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1303 | unsigned ED = Name.edit_distance((*J)->Name, |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1304 | /*AllowReplacements=*/true, |
| 1305 | BestEditDistance); |
| 1306 | if (ED <= BestEditDistance) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1307 | if (ED < BestEditDistance) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1308 | Best.clear(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1309 | BestEditDistance = ED; |
| 1310 | } |
| 1311 | |
| 1312 | Best.push_back((*J)->Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | // If there was a clear winner, user it. |
| 1317 | if (Best.size() == 1) { |
| 1318 | getDiagnostics().Report(Path[I].second, |
| 1319 | diag::err_no_submodule_suggest) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1320 | << Path[I].first << Module->getFullModuleName() << Best[0] |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1321 | << SourceRange(Path[0].second, Path[I-1].second) |
| 1322 | << FixItHint::CreateReplacement(SourceRange(Path[I].second), |
| 1323 | Best[0]); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1324 | |
| 1325 | Sub = Module->findSubmodule(Best[0]); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1326 | } |
| 1327 | } |
| 1328 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1329 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1330 | // No submodule by this name. Complain, and don't look for further |
| 1331 | // submodules. |
| 1332 | getDiagnostics().Report(Path[I].second, diag::err_no_submodule) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1333 | << Path[I].first << Module->getFullModuleName() |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1334 | << SourceRange(Path[0].second, Path[I-1].second); |
| 1335 | break; |
| 1336 | } |
| 1337 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1338 | Module = Sub; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1339 | } |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1340 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1341 | |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1342 | // Make the named module visible, if it's not already part of the module |
| 1343 | // we are parsing. |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1344 | if (ModuleName != getLangOpts().CurrentModule) { |
| 1345 | if (!Module->IsFromModuleFile) { |
| 1346 | // We have an umbrella header or directory that doesn't actually include |
| 1347 | // all of the headers within the directory it covers. Complain about |
| 1348 | // this missing submodule and recover by forgetting that we ever saw |
| 1349 | // this submodule. |
| 1350 | // FIXME: Should we detect this at module load time? It seems fairly |
| 1351 | // expensive (and rare). |
| 1352 | getDiagnostics().Report(ImportLoc, diag::warn_missing_submodule) |
| 1353 | << Module->getFullModuleName() |
| 1354 | << SourceRange(Path.front().second, Path.back().second); |
| 1355 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1356 | return ModuleLoadResult(0, true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1357 | } |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1358 | |
| 1359 | // Check whether this module is available. |
| 1360 | StringRef Feature; |
Douglas Gregor | dc58aa7 | 2012-01-30 06:01:29 +0000 | [diff] [blame] | 1361 | if (!Module->isAvailable(getLangOpts(), getTarget(), Feature)) { |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1362 | getDiagnostics().Report(ImportLoc, diag::err_module_unavailable) |
| 1363 | << Module->getFullModuleName() |
| 1364 | << Feature |
| 1365 | << SourceRange(Path.front().second, Path.back().second); |
| 1366 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1367 | LastModuleImportResult = ModuleLoadResult(); |
| 1368 | return ModuleLoadResult(); |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1369 | } |
| 1370 | |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1371 | ModuleManager->makeModuleVisible(Module, Visibility, ImportLoc, |
| 1372 | /*Complain=*/true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1373 | } |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1374 | |
| 1375 | // Check for any configuration macros that have changed. |
| 1376 | clang::Module *TopModule = Module->getTopLevelModule(); |
| 1377 | for (unsigned I = 0, N = TopModule->ConfigMacros.size(); I != N; ++I) { |
| 1378 | checkConfigMacro(getPreprocessor(), TopModule->ConfigMacros[I], |
| 1379 | Module, ImportLoc); |
| 1380 | } |
| 1381 | |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1382 | // If this module import was due to an inclusion directive, create an |
| 1383 | // implicit import declaration to capture it in the AST. |
| 1384 | if (IsInclusionDirective && hasASTContext()) { |
| 1385 | TranslationUnitDecl *TU = getASTContext().getTranslationUnitDecl(); |
Argyrios Kyrtzidis | d3d9816 | 2012-10-03 01:58:37 +0000 | [diff] [blame] | 1386 | ImportDecl *ImportD = ImportDecl::CreateImplicit(getASTContext(), TU, |
| 1387 | ImportLoc, Module, |
| 1388 | Path.back().second); |
| 1389 | TU->addDecl(ImportD); |
| 1390 | if (Consumer) |
| 1391 | Consumer->HandleImplicitImportDecl(ImportD); |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1392 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1393 | |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1394 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1395 | LastModuleImportResult = ModuleLoadResult(Module, false); |
| 1396 | return LastModuleImportResult; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1397 | } |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1398 | |
| 1399 | void CompilerInstance::makeModuleVisible(Module *Mod, |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1400 | Module::NameVisibilityKind Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1401 | SourceLocation ImportLoc, |
| 1402 | bool Complain){ |
| 1403 | ModuleManager->makeModuleVisible(Mod, Visibility, ImportLoc, Complain); |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1404 | } |
| 1405 | |