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; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 82 | if (Value) |
| 83 | VirtualFileSystem = Value->getVirtualFileSystem(); |
| 84 | else |
| 85 | VirtualFileSystem.reset(); |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 86 | } |
| 87 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 88 | void CompilerInstance::setSourceManager(SourceManager *Value) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 89 | SourceMgr = Value; |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 90 | } |
| 91 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 92 | void CompilerInstance::setPreprocessor(Preprocessor *Value) { PP = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 93 | |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 94 | void CompilerInstance::setASTContext(ASTContext *Value) { Context = Value; } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 95 | |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 96 | void CompilerInstance::setSema(Sema *S) { |
| 97 | TheSema.reset(S); |
| 98 | } |
| 99 | |
Daniel Dunbar | 12ce694 | 2009-11-14 02:47:17 +0000 | [diff] [blame] | 100 | void CompilerInstance::setASTConsumer(ASTConsumer *Value) { |
| 101 | Consumer.reset(Value); |
| 102 | } |
| 103 | |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 104 | void CompilerInstance::setCodeCompletionConsumer(CodeCompleteConsumer *Value) { |
| 105 | CompletionConsumer.reset(Value); |
| 106 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 107 | |
| 108 | IntrusiveRefCntPtr<ASTReader> CompilerInstance::getModuleManager() const { |
| 109 | return ModuleManager; |
| 110 | } |
| 111 | void CompilerInstance::setModuleManager(IntrusiveRefCntPtr<ASTReader> Reader) { |
| 112 | ModuleManager = Reader; |
| 113 | } |
Daniel Dunbar | 8a9f569 | 2009-11-14 01:20:40 +0000 | [diff] [blame] | 114 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 115 | // Diagnostics |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 116 | static void SetUpDiagnosticLog(DiagnosticOptions *DiagOpts, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 117 | const CodeGenOptions *CodeGenOpts, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 118 | DiagnosticsEngine &Diags) { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 119 | std::string ErrorInfo; |
| 120 | bool OwnsStream = false; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 121 | raw_ostream *OS = &llvm::errs(); |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 122 | if (DiagOpts->DiagnosticLogFile != "-") { |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 123 | // Create the output stream. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 124 | llvm::raw_fd_ostream *FileOS(new llvm::raw_fd_ostream( |
| 125 | DiagOpts->DiagnosticLogFile.c_str(), ErrorInfo, |
| 126 | llvm::sys::fs::F_Append | llvm::sys::fs::F_Text)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 127 | if (!ErrorInfo.empty()) { |
| 128 | Diags.Report(diag::warn_fe_cc_log_diagnostics_failure) |
Sean Silva | d2ff76b | 2013-01-20 01:58:26 +0000 | [diff] [blame] | 129 | << DiagOpts->DiagnosticLogFile << ErrorInfo; |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 130 | } else { |
| 131 | FileOS->SetUnbuffered(); |
| 132 | FileOS->SetUseAtomicWrites(true); |
| 133 | OS = FileOS; |
| 134 | OwnsStream = true; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | // Chain in the diagnostic client which will log the diagnostics. |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 139 | LogDiagnosticPrinter *Logger = new LogDiagnosticPrinter(*OS, DiagOpts, |
| 140 | OwnsStream); |
| 141 | if (CodeGenOpts) |
| 142 | Logger->setDwarfDebugFlags(CodeGenOpts->DwarfDebugFlags); |
David Blaikie | 4e85b8a | 2011-09-26 00:21:47 +0000 | [diff] [blame] | 143 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), Logger)); |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 144 | } |
| 145 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 146 | static void SetupSerializedDiagnostics(DiagnosticOptions *DiagOpts, |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 147 | DiagnosticsEngine &Diags, |
| 148 | StringRef OutputFile) { |
| 149 | std::string ErrorInfo; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 150 | std::unique_ptr<llvm::raw_fd_ostream> OS; |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 151 | OS.reset(new llvm::raw_fd_ostream(OutputFile.str().c_str(), ErrorInfo, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 152 | llvm::sys::fs::F_None)); |
Rafael Espindola | d965f95 | 2013-07-16 19:44:23 +0000 | [diff] [blame] | 153 | |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 154 | if (!ErrorInfo.empty()) { |
| 155 | Diags.Report(diag::warn_fe_serialized_diag_failure) |
| 156 | << OutputFile << ErrorInfo; |
| 157 | return; |
| 158 | } |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 159 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 160 | DiagnosticConsumer *SerializedConsumer = |
| 161 | clang::serialized_diags::create(OS.release(), DiagOpts); |
| 162 | |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 163 | Diags.setClient(new ChainedDiagnosticConsumer(Diags.takeClient(), |
| 164 | SerializedConsumer)); |
| 165 | } |
| 166 | |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 167 | void CompilerInstance::createDiagnostics(DiagnosticConsumer *Client, |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 168 | bool ShouldOwnClient) { |
Sean Silva | d47afb9 | 2013-01-20 01:58:28 +0000 | [diff] [blame] | 169 | Diagnostics = createDiagnostics(&getDiagnosticOpts(), Client, |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 170 | ShouldOwnClient, &getCodeGenOpts()); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 171 | } |
| 172 | |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 173 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 174 | CompilerInstance::createDiagnostics(DiagnosticOptions *Opts, |
David Blaikie | 78ad0b9 | 2011-09-25 23:39:51 +0000 | [diff] [blame] | 175 | DiagnosticConsumer *Client, |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 176 | bool ShouldOwnClient, |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 177 | const CodeGenOptions *CodeGenOpts) { |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 178 | IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); |
| 179 | IntrusiveRefCntPtr<DiagnosticsEngine> |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 180 | Diags(new DiagnosticsEngine(DiagID, Opts)); |
Daniel Dunbar | 221c721 | 2009-11-14 07:53:24 +0000 | [diff] [blame] | 181 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 182 | // Create the diagnostic client for reporting errors or for |
| 183 | // implementing -verify. |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 184 | if (Client) { |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 185 | Diags->setClient(Client, ShouldOwnClient); |
Douglas Gregor | aee526e | 2011-09-29 00:38:00 +0000 | [diff] [blame] | 186 | } else |
Douglas Gregor | e47be3e | 2010-11-11 00:39:14 +0000 | [diff] [blame] | 187 | Diags->setClient(new TextDiagnosticPrinter(llvm::errs(), Opts)); |
Daniel Dunbar | f79dced | 2009-11-14 03:24:39 +0000 | [diff] [blame] | 188 | |
| 189 | // Chain in -verify checker, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 190 | if (Opts->VerifyDiagnostics) |
David Blaikie | 621bc69 | 2011-09-26 00:38:03 +0000 | [diff] [blame] | 191 | Diags->setClient(new VerifyDiagnosticConsumer(*Diags)); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 192 | |
Daniel Dunbar | 9df2349 | 2011-04-07 18:31:10 +0000 | [diff] [blame] | 193 | // Chain in -diagnostic-log-file dumper, if requested. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 194 | if (!Opts->DiagnosticLogFile.empty()) |
Daniel Dunbar | b6534bb | 2011-04-07 18:59:02 +0000 | [diff] [blame] | 195 | SetUpDiagnosticLog(Opts, CodeGenOpts, *Diags); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 196 | |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 197 | if (!Opts->DiagnosticSerializationFile.empty()) |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 198 | SetupSerializedDiagnostics(Opts, *Diags, |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 199 | Opts->DiagnosticSerializationFile); |
Ted Kremenek | 7800212 | 2011-10-29 00:12:39 +0000 | [diff] [blame] | 200 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 201 | // Configure our handling of diagnostics. |
Douglas Gregor | 02c23eb | 2012-10-23 22:26:28 +0000 | [diff] [blame] | 202 | ProcessWarningOptions(*Diags, *Opts); |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 203 | |
Douglas Gregor | 2801977 | 2010-04-05 23:52:57 +0000 | [diff] [blame] | 204 | return Diags; |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | // File Manager |
| 208 | |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 209 | void CompilerInstance::createFileManager() { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 210 | if (!hasVirtualFileSystem()) { |
| 211 | // TODO: choose the virtual file system based on the CompilerInvocation. |
| 212 | setVirtualFileSystem(vfs::getRealFileSystem()); |
| 213 | } |
| 214 | FileMgr = new FileManager(getFileSystemOpts(), VirtualFileSystem); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 215 | } |
| 216 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 217 | // Source Manager |
| 218 | |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 219 | void CompilerInstance::createSourceManager(FileManager &FileMgr) { |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 220 | SourceMgr = new SourceManager(getDiagnostics(), FileMgr); |
Daniel Dunbar | 16b7449 | 2009-11-13 04:12:06 +0000 | [diff] [blame] | 221 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 222 | |
Daniel Dunbar | 0fbb3d9 | 2009-11-13 05:52:34 +0000 | [diff] [blame] | 223 | // Preprocessor |
| 224 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 225 | void CompilerInstance::createPreprocessor(TranslationUnitKind TUKind) { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 226 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 227 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 228 | // Create a PTH manager if we are using some form of a token cache. |
| 229 | PTHManager *PTHMgr = 0; |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 230 | if (!PPOpts.TokenCache.empty()) |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 231 | PTHMgr = PTHManager::Create(PPOpts.TokenCache, getDiagnostics()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 232 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 233 | // Create the Preprocessor. |
Douglas Gregor | c042edd | 2012-10-24 16:19:39 +0000 | [diff] [blame] | 234 | HeaderSearch *HeaderInfo = new HeaderSearch(&getHeaderSearchOpts(), |
Manuel Klimek | ee0cd37 | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 235 | getSourceManager(), |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 236 | getDiagnostics(), |
Douglas Gregor | dc58aa7 | 2012-01-30 06:01:29 +0000 | [diff] [blame] | 237 | getLangOpts(), |
| 238 | &getTarget()); |
Douglas Gregor | 36a1649 | 2012-10-24 17:46:57 +0000 | [diff] [blame] | 239 | PP = new Preprocessor(&getPreprocessorOpts(), |
| 240 | getDiagnostics(), getLangOpts(), &getTarget(), |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 241 | getSourceManager(), *HeaderInfo, *this, PTHMgr, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 242 | /*OwnsHeaderSearch=*/true, |
| 243 | /*DelayInitialization=*/false, |
| 244 | /*IncrProcessing=*/false, |
| 245 | TUKind); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 246 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 247 | // Note that this is different then passing PTHMgr to Preprocessor's ctor. |
| 248 | // That argument is used as the IdentifierInfoLookup argument to |
| 249 | // IdentifierTable's ctor. |
| 250 | if (PTHMgr) { |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 251 | PTHMgr->setPreprocessor(&*PP); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 252 | PP->setPTHManager(PTHMgr); |
| 253 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 254 | |
Douglas Gregor | 94dc8f6 | 2010-03-19 16:15:56 +0000 | [diff] [blame] | 255 | if (PPOpts.DetailedRecord) |
Argyrios Kyrtzidis | 37ed127 | 2012-12-04 07:27:05 +0000 | [diff] [blame] | 256 | PP->createPreprocessingRecord(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 257 | |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 258 | InitializePreprocessor(*PP, PPOpts, getHeaderSearchOpts(), getFrontendOpts()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 259 | |
Jordan Rose | 74c2498 | 2013-01-30 01:52:57 +0000 | [diff] [blame] | 260 | PP->setPreprocessedOutput(getPreprocessorOutputOpts().ShowCPP); |
| 261 | |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 262 | // Set up the module path, including the hash for the |
| 263 | // module-creation options. |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 264 | SmallString<256> SpecificModuleCache( |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 265 | getHeaderSearchOpts().ModuleCachePath); |
| 266 | if (!getHeaderSearchOpts().DisableModuleHash) |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 267 | llvm::sys::path::append(SpecificModuleCache, |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 268 | getInvocation().getModuleHash()); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 269 | PP->getHeaderSearchInfo().setModuleCachePath(SpecificModuleCache); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 270 | |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 271 | // Handle generating dependencies, if requested. |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 272 | const DependencyOutputOptions &DepOpts = getDependencyOutputOpts(); |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 273 | if (!DepOpts.OutputFile.empty()) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 274 | TheDependencyFileGenerator.reset( |
| 275 | DependencyFileGenerator::CreateAndAttachToPreprocessor(*PP, DepOpts)); |
Douglas Gregor | 773303a | 2012-02-02 23:45:13 +0000 | [diff] [blame] | 276 | if (!DepOpts.DOTOutputFile.empty()) |
| 277 | AttachDependencyGraphGen(*PP, DepOpts.DOTOutputFile, |
Douglas Gregor | c69a181 | 2012-02-02 00:54:52 +0000 | [diff] [blame] | 278 | getHeaderSearchOpts().Sysroot); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 279 | |
Hans Wennborg | 708002e | 2013-08-09 00:32:23 +0000 | [diff] [blame] | 280 | |
Daniel Dunbar | eef63e0 | 2011-02-02 15:41:17 +0000 | [diff] [blame] | 281 | // Handle generating header include information, if requested. |
| 282 | if (DepOpts.ShowHeaderIncludes) |
| 283 | AttachHeaderIncludeGen(*PP); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 284 | if (!DepOpts.HeaderIncludeOutputFile.empty()) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 285 | StringRef OutputPath = DepOpts.HeaderIncludeOutputFile; |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 286 | if (OutputPath == "-") |
| 287 | OutputPath = ""; |
Daniel Dunbar | da60885 | 2011-03-21 19:37:38 +0000 | [diff] [blame] | 288 | AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/true, OutputPath, |
| 289 | /*ShowDepth=*/false); |
Daniel Dunbar | b34d69b | 2011-02-02 21:11:31 +0000 | [diff] [blame] | 290 | } |
Hans Wennborg | 708002e | 2013-08-09 00:32:23 +0000 | [diff] [blame] | 291 | |
| 292 | if (DepOpts.PrintShowIncludes) { |
| 293 | AttachHeaderIncludeGen(*PP, /*ShowAllHeaders=*/false, /*OutputPath=*/"", |
| 294 | /*ShowDepth=*/true, /*MSStyle=*/true); |
| 295 | } |
Daniel Dunbar | 22dacfa | 2009-11-13 05:52:11 +0000 | [diff] [blame] | 296 | } |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 297 | |
| 298 | // ASTContext |
| 299 | |
| 300 | void CompilerInstance::createASTContext() { |
| 301 | Preprocessor &PP = getPreprocessor(); |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 302 | Context = new ASTContext(getLangOpts(), PP.getSourceManager(), |
Douglas Gregor | bcfd1f5 | 2011-09-02 00:18:52 +0000 | [diff] [blame] | 303 | &getTarget(), PP.getIdentifierTable(), |
Ted Kremenek | 4f32786 | 2011-03-21 18:40:17 +0000 | [diff] [blame] | 304 | PP.getSelectorTable(), PP.getBuiltinInfo(), |
| 305 | /*size_reserve=*/ 0); |
Daniel Dunbar | 5eb8100 | 2009-11-13 08:20:47 +0000 | [diff] [blame] | 306 | } |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 307 | |
| 308 | // ExternalASTSource |
| 309 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 310 | void CompilerInstance::createPCHExternalASTSource(StringRef Path, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 311 | bool DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 312 | bool AllowPCHWithCompilerErrors, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 313 | void *DeserializationListener){ |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 314 | IntrusiveRefCntPtr<ExternalASTSource> Source; |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 315 | bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 316 | Source = createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 317 | DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 318 | AllowPCHWithCompilerErrors, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 319 | getPreprocessor(), getASTContext(), |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 320 | DeserializationListener, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 321 | Preamble, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 322 | getFrontendOpts().UseGlobalModuleIndex); |
| 323 | ModuleManager = static_cast<ASTReader*>(Source.getPtr()); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 324 | getASTContext().setExternalSource(Source); |
| 325 | } |
| 326 | |
| 327 | ExternalASTSource * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 328 | CompilerInstance::createPCHExternalASTSource(StringRef Path, |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 329 | const std::string &Sysroot, |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 330 | bool DisablePCHValidation, |
Argyrios Kyrtzidis | bef35c9 | 2012-03-07 01:51:17 +0000 | [diff] [blame] | 331 | bool AllowPCHWithCompilerErrors, |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 332 | Preprocessor &PP, |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 333 | ASTContext &Context, |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 334 | void *DeserializationListener, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 335 | bool Preamble, |
| 336 | bool UseGlobalModuleIndex) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 337 | HeaderSearchOptions &HSOpts = PP.getHeaderSearchInfo().getHeaderSearchOpts(); |
| 338 | |
| 339 | std::unique_ptr<ASTReader> Reader; |
Douglas Gregor | f8a1e51 | 2011-09-02 00:26:20 +0000 | [diff] [blame] | 340 | Reader.reset(new ASTReader(PP, Context, |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 341 | Sysroot.empty() ? "" : Sysroot.c_str(), |
Argyrios Kyrtzidis | 4182ed6 | 2012-10-31 20:59:50 +0000 | [diff] [blame] | 342 | DisablePCHValidation, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 343 | AllowPCHWithCompilerErrors, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 344 | /*AllowConfigurationMismatch*/false, |
| 345 | HSOpts.ModulesValidateSystemHeaders, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 346 | UseGlobalModuleIndex)); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 347 | |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 348 | Reader->setDeserializationListener( |
Sebastian Redl | 571db7f | 2010-08-18 23:56:56 +0000 | [diff] [blame] | 349 | static_cast<ASTDeserializationListener *>(DeserializationListener)); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 350 | switch (Reader->ReadAST(Path, |
| 351 | Preamble ? serialization::MK_Preamble |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 352 | : serialization::MK_PCH, |
Argyrios Kyrtzidis | 958bcaf | 2012-11-15 18:57:22 +0000 | [diff] [blame] | 353 | SourceLocation(), |
Douglas Gregor | 38295be | 2012-10-22 23:51:00 +0000 | [diff] [blame] | 354 | ASTReader::ARR_None)) { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 355 | case ASTReader::Success: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 356 | // Set the predefines buffer as suggested by the PCH reader. Typically, the |
| 357 | // predefines buffer will be empty. |
| 358 | PP.setPredefines(Reader->getSuggestedPredefines()); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 359 | return Reader.release(); |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 360 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 361 | case ASTReader::Failure: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 362 | // Unrecoverable failure: don't even try to process the input file. |
| 363 | break; |
| 364 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 365 | case ASTReader::Missing: |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 366 | case ASTReader::OutOfDate: |
| 367 | case ASTReader::VersionMismatch: |
| 368 | case ASTReader::ConfigurationMismatch: |
| 369 | case ASTReader::HadErrors: |
Daniel Dunbar | 0f80039 | 2009-11-13 08:21:10 +0000 | [diff] [blame] | 370 | // No suitable PCH file could be found. Return an error. |
| 371 | break; |
| 372 | } |
| 373 | |
| 374 | return 0; |
| 375 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 376 | |
| 377 | // Code Completion |
| 378 | |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 379 | static bool EnableCodeCompletion(Preprocessor &PP, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 380 | const std::string &Filename, |
| 381 | unsigned Line, |
| 382 | unsigned Column) { |
| 383 | // Tell the source manager to chop off the given file at a specific |
| 384 | // line and column. |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 385 | const FileEntry *Entry = PP.getFileManager().getFile(Filename); |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 386 | if (!Entry) { |
| 387 | PP.getDiagnostics().Report(diag::err_fe_invalid_code_complete_file) |
| 388 | << Filename; |
| 389 | return true; |
| 390 | } |
| 391 | |
| 392 | // Truncate the named file at the given line/column. |
| 393 | PP.SetCodeCompletionPoint(Entry, Line, Column); |
| 394 | return false; |
| 395 | } |
| 396 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 397 | void CompilerInstance::createCodeCompletionConsumer() { |
| 398 | const ParsedSourceLocation &Loc = getFrontendOpts().CodeCompletionAt; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 399 | if (!CompletionConsumer) { |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 400 | setCodeCompletionConsumer( |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 401 | createCodeCompletionConsumer(getPreprocessor(), |
| 402 | Loc.FileName, Loc.Line, Loc.Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 403 | getFrontendOpts().CodeCompleteOpts, |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 404 | llvm::outs())); |
| 405 | if (!CompletionConsumer) |
| 406 | return; |
| 407 | } else if (EnableCodeCompletion(getPreprocessor(), Loc.FileName, |
| 408 | Loc.Line, Loc.Column)) { |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 409 | setCodeCompletionConsumer(0); |
Douglas Gregor | c3d43b7 | 2010-03-16 06:04:47 +0000 | [diff] [blame] | 410 | return; |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 411 | } |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 412 | |
| 413 | if (CompletionConsumer->isOutputBinary() && |
Rafael Espindola | a603569 | 2013-06-12 20:44:26 +0000 | [diff] [blame] | 414 | llvm::sys::ChangeStdoutToBinary()) { |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 415 | getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary); |
Erik Verbruggen | 9bc0c29 | 2012-04-12 10:31:12 +0000 | [diff] [blame] | 416 | setCodeCompletionConsumer(0); |
Douglas Gregor | 2b4074f | 2009-12-01 05:55:20 +0000 | [diff] [blame] | 417 | } |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 418 | } |
| 419 | |
Kovarththanan Rajaratnam | f79bafa | 2009-11-29 09:57:35 +0000 | [diff] [blame] | 420 | void CompilerInstance::createFrontendTimer() { |
| 421 | FrontendTimer.reset(new llvm::Timer("Clang front-end timer")); |
| 422 | } |
| 423 | |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 424 | CodeCompleteConsumer * |
| 425 | CompilerInstance::createCodeCompletionConsumer(Preprocessor &PP, |
| 426 | const std::string &Filename, |
| 427 | unsigned Line, |
| 428 | unsigned Column, |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 429 | const CodeCompleteOptions &Opts, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 430 | raw_ostream &OS) { |
Douglas Gregor | 1abc6bc | 2010-08-04 16:47:14 +0000 | [diff] [blame] | 431 | if (EnableCodeCompletion(PP, Filename, Line, Column)) |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 432 | return 0; |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 433 | |
| 434 | // Set up the creation routine for code-completion. |
Dmitri Gribenko | d99ef53 | 2012-07-02 17:35:10 +0000 | [diff] [blame] | 435 | return new PrintingCodeCompleteConsumer(Opts, OS); |
Daniel Dunbar | c2f484f | 2009-11-13 09:36:05 +0000 | [diff] [blame] | 436 | } |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 437 | |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 438 | void CompilerInstance::createSema(TranslationUnitKind TUKind, |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 439 | CodeCompleteConsumer *CompletionConsumer) { |
| 440 | TheSema.reset(new Sema(getPreprocessor(), getASTContext(), getASTConsumer(), |
Douglas Gregor | 467dc88 | 2011-08-25 22:30:56 +0000 | [diff] [blame] | 441 | TUKind, CompletionConsumer)); |
Douglas Gregor | f18d0d8 | 2010-08-12 23:31:19 +0000 | [diff] [blame] | 442 | } |
| 443 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 444 | // Output Files |
| 445 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 446 | void CompilerInstance::addOutputFile(const OutputFile &OutFile) { |
| 447 | assert(OutFile.OS && "Attempt to add empty stream to output list!"); |
| 448 | OutputFiles.push_back(OutFile); |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 449 | } |
| 450 | |
Kovarththanan Rajaratnam | e51dd7b | 2010-03-06 12:07:48 +0000 | [diff] [blame] | 451 | void CompilerInstance::clearOutputFiles(bool EraseFiles) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 452 | for (std::list<OutputFile>::iterator |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 453 | it = OutputFiles.begin(), ie = OutputFiles.end(); it != ie; ++it) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 454 | delete it->OS; |
| 455 | if (!it->TempFilename.empty()) { |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 456 | if (EraseFiles) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 457 | llvm::sys::fs::remove(it->TempFilename); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 458 | } else { |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 459 | SmallString<128> NewOutFile(it->Filename); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 460 | |
Argyrios Kyrtzidis | 389db16 | 2010-11-03 22:45:23 +0000 | [diff] [blame] | 461 | // If '-working-directory' was passed, the output filename should be |
| 462 | // relative to that. |
Anders Carlsson | 2e2468e | 2011-03-14 01:13:54 +0000 | [diff] [blame] | 463 | FileMgr->FixupRelativePath(NewOutFile); |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 464 | if (llvm::error_code ec = llvm::sys::fs::rename(it->TempFilename, |
| 465 | NewOutFile.str())) { |
Manuel Klimek | 832a2aa | 2012-05-16 20:55:58 +0000 | [diff] [blame] | 466 | getDiagnostics().Report(diag::err_unable_to_rename_temp) |
Anders Carlsson | af036a6 | 2011-03-06 22:25:35 +0000 | [diff] [blame] | 467 | << it->TempFilename << it->Filename << ec.message(); |
| 468 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 469 | llvm::sys::fs::remove(it->TempFilename); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 470 | } |
| 471 | } |
| 472 | } else if (!it->Filename.empty() && EraseFiles) |
Rafael Espindola | 48955f8 | 2013-06-26 04:32:59 +0000 | [diff] [blame] | 473 | llvm::sys::fs::remove(it->Filename); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 474 | |
Daniel Dunbar | a920483 | 2009-11-13 10:37:48 +0000 | [diff] [blame] | 475 | } |
| 476 | OutputFiles.clear(); |
| 477 | } |
| 478 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 479 | llvm::raw_fd_ostream * |
| 480 | CompilerInstance::createDefaultOutputFile(bool Binary, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 481 | StringRef InFile, |
| 482 | StringRef Extension) { |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 483 | return createOutputFile(getFrontendOpts().OutputFile, Binary, |
Daniel Dunbar | e21dd28 | 2012-03-03 00:36:06 +0000 | [diff] [blame] | 484 | /*RemoveFileOnSignal=*/true, InFile, Extension, |
| 485 | /*UseTemporary=*/true); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 489 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 490 | bool Binary, bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 491 | StringRef InFile, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 492 | StringRef Extension, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 493 | bool UseTemporary, |
| 494 | bool CreateMissingDirectories) { |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 495 | std::string Error, OutputPathName, TempPathName; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 496 | llvm::raw_fd_ostream *OS = createOutputFile(OutputPath, Error, Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 497 | RemoveFileOnSignal, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 498 | InFile, Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 499 | UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 500 | CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 501 | &OutputPathName, |
| 502 | &TempPathName); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 503 | if (!OS) { |
Daniel Dunbar | 3604359 | 2009-12-03 09:13:30 +0000 | [diff] [blame] | 504 | getDiagnostics().Report(diag::err_fe_unable_to_open_output) |
| 505 | << OutputPath << Error; |
| 506 | return 0; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | // Add the output file -- but don't try to remove "-", since this means we are |
| 510 | // using stdin. |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 511 | addOutputFile(OutputFile((OutputPathName != "-") ? OutputPathName : "", |
| 512 | TempPathName, OS)); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 513 | |
| 514 | return OS; |
| 515 | } |
| 516 | |
| 517 | llvm::raw_fd_ostream * |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 518 | CompilerInstance::createOutputFile(StringRef OutputPath, |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 519 | std::string &Error, |
| 520 | bool Binary, |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 521 | bool RemoveFileOnSignal, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 522 | StringRef InFile, |
| 523 | StringRef Extension, |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 524 | bool UseTemporary, |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 525 | bool CreateMissingDirectories, |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 526 | std::string *ResultPathName, |
| 527 | std::string *TempPathName) { |
Daniel Dunbar | 12f28ab | 2012-03-03 00:36:02 +0000 | [diff] [blame] | 528 | assert((!CreateMissingDirectories || UseTemporary) && |
| 529 | "CreateMissingDirectories is only allowed when using temporary files"); |
| 530 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 531 | std::string OutFile, TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 532 | if (!OutputPath.empty()) { |
| 533 | OutFile = OutputPath; |
| 534 | } else if (InFile == "-") { |
| 535 | OutFile = "-"; |
| 536 | } else if (!Extension.empty()) { |
Rafael Espindola | 48955f8 | 2013-06-26 04:32:59 +0000 | [diff] [blame] | 537 | SmallString<128> Path(InFile); |
| 538 | llvm::sys::path::replace_extension(Path, Extension); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 539 | OutFile = Path.str(); |
| 540 | } else { |
| 541 | OutFile = "-"; |
| 542 | } |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 543 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 544 | std::unique_ptr<llvm::raw_fd_ostream> OS; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 545 | std::string OSFile; |
| 546 | |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 547 | if (UseTemporary) { |
| 548 | if (OutFile == "-") |
| 549 | UseTemporary = false; |
| 550 | else { |
| 551 | llvm::sys::fs::file_status Status; |
| 552 | llvm::sys::fs::status(OutputPath, Status); |
| 553 | if (llvm::sys::fs::exists(Status)) { |
| 554 | // Fail early if we can't write to the final destination. |
| 555 | if (!llvm::sys::fs::can_write(OutputPath)) |
| 556 | return 0; |
| 557 | |
| 558 | // Don't use a temporary if the output is a special file. This handles |
| 559 | // things like '-o /dev/null' |
| 560 | if (!llvm::sys::fs::is_regular_file(Status)) |
| 561 | UseTemporary = false; |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 562 | } |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 563 | } |
| 564 | } |
| 565 | |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 566 | if (UseTemporary) { |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 567 | // Create a temporary file. |
| 568 | SmallString<128> TempPath; |
| 569 | TempPath = OutFile; |
| 570 | TempPath += "-%%%%%%%%"; |
| 571 | int fd; |
Rafael Espindola | 70e7aec | 2013-07-05 21:13:58 +0000 | [diff] [blame] | 572 | llvm::error_code EC = |
| 573 | llvm::sys::fs::createUniqueFile(TempPath.str(), fd, TempPath); |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 574 | |
| 575 | if (CreateMissingDirectories && |
Rafael Espindola | abab183 | 2013-07-05 14:15:24 +0000 | [diff] [blame] | 576 | EC == llvm::errc::no_such_file_or_directory) { |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 577 | StringRef Parent = llvm::sys::path::parent_path(OutputPath); |
| 578 | EC = llvm::sys::fs::create_directories(Parent); |
| 579 | if (!EC) { |
Rafael Espindola | 70e7aec | 2013-07-05 21:13:58 +0000 | [diff] [blame] | 580 | EC = llvm::sys::fs::createUniqueFile(TempPath.str(), fd, TempPath); |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 581 | } |
| 582 | } |
| 583 | |
| 584 | if (!EC) { |
Rafael Espindola | 375a4f5 | 2013-06-27 18:26:26 +0000 | [diff] [blame] | 585 | OS.reset(new llvm::raw_fd_ostream(fd, /*shouldClose=*/true)); |
| 586 | OSFile = TempFile = TempPath.str(); |
| 587 | } |
| 588 | // If we failed to create the temporary, fallback to writing to the file |
| 589 | // directly. This handles the corner case where we cannot write to the |
| 590 | // directory, but can write to the file. |
| 591 | } |
| 592 | |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 593 | if (!OS) { |
| 594 | OSFile = OutFile; |
Rafael Espindola | d965f95 | 2013-07-16 19:44:23 +0000 | [diff] [blame] | 595 | OS.reset(new llvm::raw_fd_ostream( |
| 596 | OSFile.c_str(), Error, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 597 | (Binary ? llvm::sys::fs::F_None : llvm::sys::fs::F_Text))); |
Argyrios Kyrtzidis | 7e90985 | 2011-07-28 00:45:10 +0000 | [diff] [blame] | 598 | if (!Error.empty()) |
| 599 | return 0; |
| 600 | } |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 601 | |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 602 | // Make sure the out stream file gets removed if we crash. |
Daniel Dunbar | ff9cd96 | 2011-01-31 22:00:42 +0000 | [diff] [blame] | 603 | if (RemoveFileOnSignal) |
Rafael Espindola | 6f2e23b | 2013-06-13 21:02:40 +0000 | [diff] [blame] | 604 | llvm::sys::RemoveFileOnSignal(OSFile); |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 605 | |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 606 | if (ResultPathName) |
| 607 | *ResultPathName = OutFile; |
Argyrios Kyrtzidis | dc24572 | 2010-09-17 17:38:48 +0000 | [diff] [blame] | 608 | if (TempPathName) |
| 609 | *TempPathName = TempFile; |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 610 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 611 | return OS.release(); |
Daniel Dunbar | f482d59 | 2009-11-13 18:32:08 +0000 | [diff] [blame] | 612 | } |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 613 | |
| 614 | // Initialization Utilities |
| 615 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 616 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input){ |
| 617 | return InitializeSourceManager(Input, getDiagnostics(), |
Douglas Gregor | a1f1fad | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 618 | getFileManager(), getSourceManager(), |
| 619 | getFrontendOpts()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 620 | } |
| 621 | |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 622 | bool CompilerInstance::InitializeSourceManager(const FrontendInputFile &Input, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 623 | DiagnosticsEngine &Diags, |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 624 | FileManager &FileMgr, |
| 625 | SourceManager &SourceMgr, |
| 626 | const FrontendOptions &Opts) { |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 627 | SrcMgr::CharacteristicKind |
Argyrios Kyrtzidis | 8616f9a | 2012-11-09 19:40:39 +0000 | [diff] [blame] | 628 | Kind = Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User; |
Argyrios Kyrtzidis | 8e1fbbc | 2012-11-09 19:40:33 +0000 | [diff] [blame] | 629 | |
Argyrios Kyrtzidis | ecd27bf | 2012-11-09 19:40:45 +0000 | [diff] [blame] | 630 | if (Input.isBuffer()) { |
| 631 | SourceMgr.createMainFileIDForMemBuffer(Input.getBuffer(), Kind); |
| 632 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 633 | "Couldn't establish MainFileID!"); |
| 634 | return true; |
| 635 | } |
| 636 | |
| 637 | StringRef InputFile = Input.getFile(); |
| 638 | |
Argyrios Kyrtzidis | 507097e | 2011-09-19 20:40:35 +0000 | [diff] [blame] | 639 | // Figure out where to get and map in the main file. |
| 640 | if (InputFile != "-") { |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 641 | const FileEntry *File = FileMgr.getFile(InputFile, /*OpenFile=*/true); |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 642 | if (!File) { |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 643 | Diags.Report(diag::err_fe_error_reading) << InputFile; |
| 644 | return false; |
| 645 | } |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 646 | |
| 647 | // The natural SourceManager infrastructure can't currently handle named |
| 648 | // pipes, but we would at least like to accept them for the main |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 649 | // file. Detect them here, read them with the volatile flag so FileMgr will |
| 650 | // pick up the correct size, and simply override their contents as we do for |
| 651 | // STDIN. |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 652 | if (File->isNamedPipe()) { |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 653 | std::string ErrorStr; |
| 654 | if (llvm::MemoryBuffer *MB = |
| 655 | FileMgr.getBufferForFile(File, &ErrorStr, /*isVolatile=*/true)) { |
| 656 | // Create a new virtual file that will have the correct size. |
| 657 | File = FileMgr.getVirtualFile(InputFile, MB->getBufferSize(), 0); |
| 658 | SourceMgr.overrideFileContents(File, MB); |
| 659 | } else { |
| 660 | Diags.Report(diag::err_cannot_open_file) << InputFile << ErrorStr; |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 661 | return false; |
| 662 | } |
Daniel Dunbar | ce36ecd | 2012-11-05 22:53:33 +0000 | [diff] [blame] | 663 | } |
Daniel Dunbar | acf3612 | 2012-11-27 00:04:16 +0000 | [diff] [blame] | 664 | |
| 665 | SourceMgr.createMainFileID(File, Kind); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 666 | } else { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 667 | std::unique_ptr<llvm::MemoryBuffer> SB; |
Benjamin Kramer | a3bf897 | 2013-08-12 13:46:52 +0000 | [diff] [blame] | 668 | if (llvm::error_code ec = llvm::MemoryBuffer::getSTDIN(SB)) { |
| 669 | Diags.Report(diag::err_fe_error_reading_stdin) << ec.message(); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 670 | return false; |
| 671 | } |
Dan Gohman | 90d9081 | 2010-10-26 23:21:25 +0000 | [diff] [blame] | 672 | const FileEntry *File = FileMgr.getVirtualFile(SB->getBufferIdentifier(), |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 673 | SB->getBufferSize(), 0); |
Douglas Gregor | a1f1fad | 2012-01-27 19:52:33 +0000 | [diff] [blame] | 674 | SourceMgr.createMainFileID(File, Kind); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 675 | SourceMgr.overrideFileContents(File, SB.release()); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 676 | } |
| 677 | |
Dan Gohman | 694137c | 2010-10-26 21:13:51 +0000 | [diff] [blame] | 678 | assert(!SourceMgr.getMainFileID().isInvalid() && |
| 679 | "Couldn't establish MainFileID!"); |
Daniel Dunbar | ccb6cb6 | 2009-11-14 07:53:04 +0000 | [diff] [blame] | 680 | return true; |
| 681 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 682 | |
| 683 | // High-Level Operations |
| 684 | |
| 685 | bool CompilerInstance::ExecuteAction(FrontendAction &Act) { |
| 686 | assert(hasDiagnostics() && "Diagnostics engine is not initialized!"); |
| 687 | assert(!getFrontendOpts().ShowHelp && "Client must handle '-help'!"); |
| 688 | assert(!getFrontendOpts().ShowVersion && "Client must handle '-version'!"); |
| 689 | |
| 690 | // FIXME: Take this as an argument, once all the APIs we used have moved to |
| 691 | // taking it as an input instead of hard-coding llvm::errs. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 692 | raw_ostream &OS = llvm::errs(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 693 | |
| 694 | // Create the target instance. |
Douglas Gregor | 49a8754 | 2012-11-16 04:24:59 +0000 | [diff] [blame] | 695 | setTarget(TargetInfo::CreateTargetInfo(getDiagnostics(), &getTargetOpts())); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 696 | if (!hasTarget()) |
| 697 | return false; |
| 698 | |
| 699 | // Inform the target of the language options. |
| 700 | // |
| 701 | // FIXME: We shouldn't need to do this, the target should be immutable once |
| 702 | // created. This complexity should be lifted elsewhere. |
| 703 | getTarget().setForcedLangOptions(getLangOpts()); |
| 704 | |
Fariborz Jahanian | 93a4994 | 2012-04-16 21:03:30 +0000 | [diff] [blame] | 705 | // rewriter project will change target built-in bool type from its default. |
| 706 | if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) |
| 707 | getTarget().noSignedCharForObjCBool(); |
| 708 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 709 | // Validate/process some options. |
| 710 | if (getHeaderSearchOpts().Verbose) |
| 711 | OS << "clang -cc1 version " CLANG_VERSION_STRING |
| 712 | << " based upon " << PACKAGE_STRING |
Sebastian Pop | 5d8b954 | 2011-11-01 21:33:06 +0000 | [diff] [blame] | 713 | << " default target " << llvm::sys::getDefaultTargetTriple() << "\n"; |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 714 | |
| 715 | if (getFrontendOpts().ShowTimers) |
| 716 | createFrontendTimer(); |
| 717 | |
Douglas Gregor | 95dd558 | 2010-03-30 17:33:59 +0000 | [diff] [blame] | 718 | if (getFrontendOpts().ShowStats) |
| 719 | llvm::EnableStatistics(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 720 | |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 721 | for (unsigned i = 0, e = getFrontendOpts().Inputs.size(); i != e; ++i) { |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 722 | // Reset the ID tables if we are reusing the SourceManager. |
| 723 | if (hasSourceManager()) |
| 724 | getSourceManager().clearIDTables(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 725 | |
Douglas Gregor | 1f6b2b5 | 2012-01-20 16:28:04 +0000 | [diff] [blame] | 726 | if (Act.BeginSourceFile(*this, getFrontendOpts().Inputs[i])) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 727 | Act.Execute(); |
| 728 | Act.EndSourceFile(); |
| 729 | } |
| 730 | } |
| 731 | |
Argyrios Kyrtzidis | 29f2787 | 2011-12-07 05:52:12 +0000 | [diff] [blame] | 732 | // Notify the diagnostic client that all files were processed. |
| 733 | getDiagnostics().getClient()->finish(); |
| 734 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 735 | if (getDiagnosticOpts().ShowCarets) { |
Argyrios Kyrtzidis | f2224d8 | 2010-11-18 20:06:46 +0000 | [diff] [blame] | 736 | // We can have multiple diagnostics sharing one diagnostic client. |
| 737 | // Get the total number of warnings/errors from the client. |
| 738 | unsigned NumWarnings = getDiagnostics().getClient()->getNumWarnings(); |
| 739 | unsigned NumErrors = getDiagnostics().getClient()->getNumErrors(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 740 | |
Chris Lattner | 53eee7b | 2010-04-07 18:47:42 +0000 | [diff] [blame] | 741 | if (NumWarnings) |
| 742 | OS << NumWarnings << " warning" << (NumWarnings == 1 ? "" : "s"); |
| 743 | if (NumWarnings && NumErrors) |
| 744 | OS << " and "; |
| 745 | if (NumErrors) |
| 746 | OS << NumErrors << " error" << (NumErrors == 1 ? "" : "s"); |
| 747 | if (NumWarnings || NumErrors) |
| 748 | OS << " generated.\n"; |
| 749 | } |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 750 | |
Daniel Dunbar | 2056048 | 2010-06-07 23:23:50 +0000 | [diff] [blame] | 751 | if (getFrontendOpts().ShowStats && hasFileManager()) { |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 752 | getFileManager().PrintStats(); |
| 753 | OS << "\n"; |
| 754 | } |
| 755 | |
Argyrios Kyrtzidis | ab41b97 | 2010-11-18 21:13:57 +0000 | [diff] [blame] | 756 | return !getDiagnostics().getClient()->getNumErrors(); |
Daniel Dunbar | 0397af2 | 2010-01-13 00:48:06 +0000 | [diff] [blame] | 757 | } |
| 758 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 759 | /// \brief Determine the appropriate source input kind based on language |
| 760 | /// options. |
| 761 | static InputKind getSourceInputKindFromOptions(const LangOptions &LangOpts) { |
| 762 | if (LangOpts.OpenCL) |
| 763 | return IK_OpenCL; |
| 764 | if (LangOpts.CUDA) |
| 765 | return IK_CUDA; |
| 766 | if (LangOpts.ObjC1) |
| 767 | return LangOpts.CPlusPlus? IK_ObjCXX : IK_ObjC; |
| 768 | return LangOpts.CPlusPlus? IK_CXX : IK_C; |
| 769 | } |
| 770 | |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 771 | /// \brief Compile a module file for the given module, using the options |
| 772 | /// provided by the importing compiler instance. |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 773 | static void compileModule(CompilerInstance &ImportingInstance, |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 774 | SourceLocation ImportLoc, |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 775 | Module *Module, |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 776 | StringRef ModuleFileName) { |
Rafael Espindola | 8ffd0a4 | 2013-06-28 03:49:04 +0000 | [diff] [blame] | 777 | // FIXME: have LockFileManager return an error_code so that we can |
| 778 | // avoid the mkdir when the directory already exists. |
| 779 | StringRef Dir = llvm::sys::path::parent_path(ModuleFileName); |
| 780 | llvm::sys::fs::create_directories(Dir); |
| 781 | |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 782 | llvm::LockFileManager Locked(ModuleFileName); |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 783 | switch (Locked) { |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 784 | case llvm::LockFileManager::LFS_Error: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 785 | return; |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 786 | |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 787 | case llvm::LockFileManager::LFS_Owned: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 788 | // We're responsible for building the module ourselves. Do so below. |
| 789 | break; |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 790 | |
Douglas Gregor | 52f1272 | 2012-01-29 20:15:24 +0000 | [diff] [blame] | 791 | case llvm::LockFileManager::LFS_Shared: |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 792 | // Someone else is responsible for building the module. Wait for them to |
| 793 | // finish. |
| 794 | Locked.waitForUnlock(); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 795 | return; |
Douglas Gregor | 2bc7507 | 2011-10-05 14:53:30 +0000 | [diff] [blame] | 796 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 797 | |
Douglas Gregor | f9e357d | 2011-11-29 19:06:37 +0000 | [diff] [blame] | 798 | ModuleMap &ModMap |
| 799 | = ImportingInstance.getPreprocessor().getHeaderSearchInfo().getModuleMap(); |
| 800 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 801 | // Construct a compiler invocation for creating this module. |
Dylan Noblesmith | c93dc78 | 2012-02-20 14:00:23 +0000 | [diff] [blame] | 802 | IntrusiveRefCntPtr<CompilerInvocation> Invocation |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 803 | (new CompilerInvocation(ImportingInstance.getInvocation())); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 804 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 805 | PreprocessorOptions &PPOpts = Invocation->getPreprocessorOpts(); |
| 806 | |
Douglas Gregor | b2d39c2 | 2011-09-15 20:53:28 +0000 | [diff] [blame] | 807 | // For any options that aren't intended to affect how a module is built, |
| 808 | // reset them to their default values. |
Ted Kremenek | d3b74d9 | 2011-11-17 23:01:24 +0000 | [diff] [blame] | 809 | Invocation->getLangOpts()->resetNonModularOptions(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 810 | PPOpts.resetNonModularOptions(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 811 | |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 812 | // Remove any macro definitions that are explicitly ignored by the module. |
| 813 | // They aren't supposed to affect how the module is built anyway. |
| 814 | const HeaderSearchOptions &HSOpts = Invocation->getHeaderSearchOpts(); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 815 | PPOpts.Macros.erase( |
| 816 | std::remove_if(PPOpts.Macros.begin(), PPOpts.Macros.end(), |
| 817 | [&HSOpts](const std::pair<std::string, bool> &def) { |
| 818 | StringRef MacroDef = def.first; |
| 819 | return HSOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first) > 0; |
| 820 | }), |
| 821 | PPOpts.Macros.end()); |
Douglas Gregor | 2a06085 | 2013-02-07 00:21:12 +0000 | [diff] [blame] | 822 | |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 823 | // Note the name of the module we're building. |
Douglas Gregor | 933e7a6 | 2011-11-29 18:31:39 +0000 | [diff] [blame] | 824 | Invocation->getLangOpts()->CurrentModule = Module->getTopLevelModuleName(); |
Douglas Gregor | b86b8dc | 2011-11-15 19:35:01 +0000 | [diff] [blame] | 825 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 826 | // Make sure that the failed-module structure has been allocated in |
| 827 | // the importing instance, and propagate the pointer to the newly-created |
| 828 | // instance. |
| 829 | PreprocessorOptions &ImportingPPOpts |
| 830 | = ImportingInstance.getInvocation().getPreprocessorOpts(); |
| 831 | if (!ImportingPPOpts.FailedModules) |
| 832 | ImportingPPOpts.FailedModules = new PreprocessorOptions::FailedModulesSet; |
| 833 | PPOpts.FailedModules = ImportingPPOpts.FailedModules; |
| 834 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 835 | // 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] | 836 | // Set up the inputs/outputs so that we build the module from its umbrella |
| 837 | // header. |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 838 | FrontendOptions &FrontendOpts = Invocation->getFrontendOpts(); |
Douglas Gregor | 6e975c4 | 2011-09-13 23:15:45 +0000 | [diff] [blame] | 839 | FrontendOpts.OutputFile = ModuleFileName.str(); |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 840 | FrontendOpts.DisableFree = false; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 841 | FrontendOpts.GenerateGlobalModuleIndex = false; |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 842 | FrontendOpts.Inputs.clear(); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 843 | InputKind IK = getSourceInputKindFromOptions(*Invocation->getLangOpts()); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 844 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 845 | // Don't free the remapped file buffers; they are owned by our caller. |
| 846 | PPOpts.RetainRemappedFileBuffers = true; |
| 847 | |
Douglas Gregor | 7824365 | 2011-09-13 01:26:44 +0000 | [diff] [blame] | 848 | Invocation->getDiagnosticOpts().VerifyDiagnostics = 0; |
Douglas Gregor | 76d991e | 2011-09-13 23:20:27 +0000 | [diff] [blame] | 849 | assert(ImportingInstance.getInvocation().getModuleHash() == |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 850 | Invocation->getModuleHash() && "Module hash mismatch!"); |
| 851 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 852 | // Construct a compiler instance that will be used to actually create the |
| 853 | // module. |
| 854 | CompilerInstance Instance; |
| 855 | Instance.setInvocation(&*Invocation); |
Douglas Gregor | a4a90ca | 2013-05-03 22:58:43 +0000 | [diff] [blame] | 856 | |
| 857 | Instance.createDiagnostics(new ForwardingDiagnosticConsumer( |
| 858 | ImportingInstance.getDiagnosticClient()), |
Douglas Gregor | cc2b653 | 2013-05-03 23:07:45 +0000 | [diff] [blame] | 859 | /*ShouldOwnClient=*/true); |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 860 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 861 | Instance.setVirtualFileSystem(&ImportingInstance.getVirtualFileSystem()); |
| 862 | |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 863 | // 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] | 864 | // can detect cycles in the module graph. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 865 | Instance.setFileManager(&ImportingInstance.getFileManager()); |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 866 | Instance.createSourceManager(Instance.getFileManager()); |
| 867 | SourceManager &SourceMgr = Instance.getSourceManager(); |
Douglas Gregor | 4565e48 | 2012-11-30 22:11:57 +0000 | [diff] [blame] | 868 | SourceMgr.setModuleBuildStack( |
| 869 | ImportingInstance.getSourceManager().getModuleBuildStack()); |
| 870 | SourceMgr.pushModuleBuildStack(Module->getTopLevelModuleName(), |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 871 | FullSourceLoc(ImportLoc, ImportingInstance.getSourceManager())); |
| 872 | |
Manuel Klimek | ee0cd37 | 2013-10-24 07:51:24 +0000 | [diff] [blame] | 873 | // Get or create the module map that we'll use to build this module. |
| 874 | std::string InferredModuleMapContent; |
| 875 | if (const FileEntry *ModuleMapFile = |
| 876 | ModMap.getContainingModuleMapFile(Module)) { |
| 877 | // Use the module map where this module resides. |
| 878 | FrontendOpts.Inputs.push_back( |
| 879 | FrontendInputFile(ModuleMapFile->getName(), IK)); |
| 880 | } else { |
| 881 | llvm::raw_string_ostream OS(InferredModuleMapContent); |
| 882 | Module->print(OS); |
| 883 | OS.flush(); |
| 884 | FrontendOpts.Inputs.push_back( |
| 885 | FrontendInputFile("__inferred_module.map", IK)); |
| 886 | |
| 887 | const llvm::MemoryBuffer *ModuleMapBuffer = |
| 888 | llvm::MemoryBuffer::getMemBuffer(InferredModuleMapContent); |
| 889 | ModuleMapFile = Instance.getFileManager().getVirtualFile( |
| 890 | "__inferred_module.map", InferredModuleMapContent.size(), 0); |
| 891 | SourceMgr.overrideFileContents(ModuleMapFile, ModuleMapBuffer); |
| 892 | } |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 893 | |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 894 | // Construct a module-generating action. |
Douglas Gregor | 8f5d7d1 | 2013-06-21 16:28:10 +0000 | [diff] [blame] | 895 | GenerateModuleAction CreateModuleAction(Module->IsSystem); |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 896 | |
Douglas Gregor | 0ced799 | 2011-10-04 00:21:21 +0000 | [diff] [blame] | 897 | // Execute the action to actually build the module in-place. Use a separate |
| 898 | // thread so that we get a stack large enough. |
| 899 | const unsigned ThreadStackSize = 8 << 20; |
| 900 | llvm::CrashRecoveryContext CRC; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 901 | CRC.RunSafelyOnThread([&]() { Instance.ExecuteAction(CreateModuleAction); }, |
| 902 | ThreadStackSize); |
Douglas Gregor | a4a90ca | 2013-05-03 22:58:43 +0000 | [diff] [blame] | 903 | |
Douglas Gregor | 18ee547 | 2011-11-29 21:59:16 +0000 | [diff] [blame] | 904 | // Delete the temporary module map file. |
| 905 | // FIXME: Even though we're executing under crash protection, it would still |
| 906 | // be nice to do this with RemoveFileOnSignal when we can. However, that |
| 907 | // doesn't make sense for all clients, so clean this up manually. |
Benjamin Kramer | a2e9489 | 2012-10-14 19:50:53 +0000 | [diff] [blame] | 908 | Instance.clearOutputFiles(/*EraseFiles=*/true); |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 909 | |
| 910 | // We've rebuilt a module. If we're allowed to generate or update the global |
| 911 | // module index, record that fact in the importing compiler instance. |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 912 | if (ImportingInstance.getFrontendOpts().GenerateGlobalModuleIndex) { |
Douglas Gregor | a6b00fc | 2013-01-23 22:38:11 +0000 | [diff] [blame] | 913 | ImportingInstance.setBuildGlobalModuleIndex(true); |
| 914 | } |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 915 | } |
Douglas Gregor | 21cae20 | 2011-09-12 23:31:24 +0000 | [diff] [blame] | 916 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 917 | /// \brief Diagnose differences between the current definition of the given |
| 918 | /// configuration macro and the definition provided on the command line. |
| 919 | static void checkConfigMacro(Preprocessor &PP, StringRef ConfigMacro, |
| 920 | Module *Mod, SourceLocation ImportLoc) { |
| 921 | IdentifierInfo *Id = PP.getIdentifierInfo(ConfigMacro); |
| 922 | SourceManager &SourceMgr = PP.getSourceManager(); |
| 923 | |
| 924 | // If this identifier has never had a macro definition, then it could |
| 925 | // not have changed. |
| 926 | if (!Id->hadMacroDefinition()) |
| 927 | return; |
| 928 | |
| 929 | // If this identifier does not currently have a macro definition, |
| 930 | // check whether it had one on the command line. |
| 931 | if (!Id->hasMacroDefinition()) { |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 932 | MacroDirective::DefInfo LatestDef = |
| 933 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 934 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 935 | Def = Def.getPreviousDefinition()) { |
| 936 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 937 | if (FID.isInvalid()) |
| 938 | continue; |
| 939 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 940 | // We only care about the predefines buffer. |
Douglas Gregor | 670b2e6 | 2013-04-03 03:16:36 +0000 | [diff] [blame] | 941 | if (FID != PP.getPredefinesFileID()) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 942 | continue; |
| 943 | |
| 944 | // This macro was defined on the command line, then #undef'd later. |
| 945 | // Complain. |
| 946 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 947 | << true << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 948 | if (LatestDef.isUndefined()) |
| 949 | PP.Diag(LatestDef.getUndefLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 950 | << true; |
| 951 | return; |
| 952 | } |
| 953 | |
| 954 | // Okay: no definition in the predefines buffer. |
| 955 | return; |
| 956 | } |
| 957 | |
| 958 | // This identifier has a macro definition. Check whether we had a definition |
| 959 | // on the command line. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 960 | MacroDirective::DefInfo LatestDef = |
| 961 | PP.getMacroDirectiveHistory(Id)->getDefinition(); |
| 962 | MacroDirective::DefInfo PredefinedDef; |
| 963 | for (MacroDirective::DefInfo Def = LatestDef; Def; |
| 964 | Def = Def.getPreviousDefinition()) { |
| 965 | FileID FID = SourceMgr.getFileID(Def.getLocation()); |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 966 | if (FID.isInvalid()) |
| 967 | continue; |
| 968 | |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 969 | // We only care about the predefines buffer. |
Douglas Gregor | 670b2e6 | 2013-04-03 03:16:36 +0000 | [diff] [blame] | 970 | if (FID != PP.getPredefinesFileID()) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 971 | continue; |
| 972 | |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 973 | PredefinedDef = Def; |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 974 | break; |
| 975 | } |
| 976 | |
| 977 | // If there was no definition for this macro in the predefines buffer, |
| 978 | // complain. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 979 | if (!PredefinedDef || |
| 980 | (!PredefinedDef.getLocation().isValid() && |
| 981 | PredefinedDef.getUndefLocation().isValid())) { |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 982 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 983 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 984 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 985 | << false; |
| 986 | return; |
| 987 | } |
| 988 | |
| 989 | // If the current macro definition is the same as the predefined macro |
| 990 | // definition, it's okay. |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 991 | if (LatestDef.getMacroInfo() == PredefinedDef.getMacroInfo() || |
Argyrios Kyrtzidis | bd25ff8 | 2013-04-03 17:39:30 +0000 | [diff] [blame] | 992 | LatestDef.getMacroInfo()->isIdenticalTo(*PredefinedDef.getMacroInfo(),PP, |
| 993 | /*Syntactically=*/true)) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 994 | return; |
| 995 | |
| 996 | // The macro definitions differ. |
| 997 | PP.Diag(ImportLoc, diag::warn_module_config_macro_undef) |
| 998 | << false << ConfigMacro << Mod->getFullModuleName(); |
Argyrios Kyrtzidis | c56fff7 | 2013-03-26 17:17:01 +0000 | [diff] [blame] | 999 | PP.Diag(LatestDef.getLocation(), diag::note_module_def_undef_here) |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1000 | << false; |
| 1001 | } |
| 1002 | |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1003 | /// \brief Write a new timestamp file with the given path. |
| 1004 | static void writeTimestampFile(StringRef TimestampFile) { |
| 1005 | std::string ErrorInfo; |
| 1006 | llvm::raw_fd_ostream Out(TimestampFile.str().c_str(), ErrorInfo, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1007 | llvm::sys::fs::F_None); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1008 | } |
| 1009 | |
| 1010 | /// \brief Prune the module cache of modules that haven't been accessed in |
| 1011 | /// a long time. |
| 1012 | static void pruneModuleCache(const HeaderSearchOptions &HSOpts) { |
| 1013 | struct stat StatBuf; |
| 1014 | llvm::SmallString<128> TimestampFile; |
| 1015 | TimestampFile = HSOpts.ModuleCachePath; |
| 1016 | llvm::sys::path::append(TimestampFile, "modules.timestamp"); |
| 1017 | |
| 1018 | // Try to stat() the timestamp file. |
| 1019 | if (::stat(TimestampFile.c_str(), &StatBuf)) { |
| 1020 | // If the timestamp file wasn't there, create one now. |
| 1021 | if (errno == ENOENT) { |
| 1022 | writeTimestampFile(TimestampFile); |
| 1023 | } |
| 1024 | return; |
| 1025 | } |
| 1026 | |
| 1027 | // Check whether the time stamp is older than our pruning interval. |
| 1028 | // If not, do nothing. |
| 1029 | time_t TimeStampModTime = StatBuf.st_mtime; |
| 1030 | time_t CurrentTime = time(0); |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame] | 1031 | if (CurrentTime - TimeStampModTime <= time_t(HSOpts.ModuleCachePruneInterval)) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1032 | return; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1033 | |
| 1034 | // Write a new timestamp file so that nobody else attempts to prune. |
| 1035 | // There is a benign race condition here, if two Clang instances happen to |
| 1036 | // notice at the same time that the timestamp is out-of-date. |
| 1037 | writeTimestampFile(TimestampFile); |
| 1038 | |
| 1039 | // Walk the entire module cache, looking for unused module files and module |
| 1040 | // indices. |
| 1041 | llvm::error_code EC; |
| 1042 | SmallString<128> ModuleCachePathNative; |
| 1043 | llvm::sys::path::native(HSOpts.ModuleCachePath, ModuleCachePathNative); |
| 1044 | for (llvm::sys::fs::directory_iterator |
| 1045 | Dir(ModuleCachePathNative.str(), EC), DirEnd; |
| 1046 | Dir != DirEnd && !EC; Dir.increment(EC)) { |
| 1047 | // If we don't have a directory, there's nothing to look into. |
Rafael Espindola | b470d1a | 2013-07-17 04:23:07 +0000 | [diff] [blame] | 1048 | if (!llvm::sys::fs::is_directory(Dir->path())) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1049 | continue; |
| 1050 | |
| 1051 | // Walk all of the files within this directory. |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1052 | for (llvm::sys::fs::directory_iterator File(Dir->path(), EC), FileEnd; |
| 1053 | File != FileEnd && !EC; File.increment(EC)) { |
| 1054 | // We only care about module and global module index files. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1055 | StringRef Extension = llvm::sys::path::extension(File->path()); |
| 1056 | if (Extension != ".pcm" && Extension != ".timestamp" && |
| 1057 | llvm::sys::path::filename(File->path()) != "modules.idx") |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1058 | continue; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1059 | |
| 1060 | // Look at this file. If we can't stat it, there's nothing interesting |
| 1061 | // there. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1062 | if (::stat(File->path().c_str(), &StatBuf)) |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1063 | continue; |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1064 | |
| 1065 | // If the file has been used recently enough, leave it there. |
| 1066 | time_t FileAccessTime = StatBuf.st_atime; |
Benjamin Kramer | 93ce7d5 | 2013-03-29 17:39:43 +0000 | [diff] [blame] | 1067 | if (CurrentTime - FileAccessTime <= |
| 1068 | time_t(HSOpts.ModuleCachePruneAfter)) { |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1069 | continue; |
| 1070 | } |
| 1071 | |
| 1072 | // Remove the file. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1073 | llvm::sys::fs::remove(File->path()); |
| 1074 | |
| 1075 | // Remove the timestamp file. |
| 1076 | std::string TimpestampFilename = File->path() + ".timestamp"; |
| 1077 | llvm::sys::fs::remove(TimpestampFilename); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1078 | } |
| 1079 | |
| 1080 | // If we removed all of the files in the directory, remove the directory |
| 1081 | // itself. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1082 | if (llvm::sys::fs::directory_iterator(Dir->path(), EC) == |
| 1083 | llvm::sys::fs::directory_iterator() && !EC) |
| 1084 | llvm::sys::fs::remove(Dir->path()); |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1085 | } |
| 1086 | } |
| 1087 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1088 | ModuleLoadResult |
| 1089 | CompilerInstance::loadModule(SourceLocation ImportLoc, |
| 1090 | ModuleIdPath Path, |
| 1091 | Module::NameVisibilityKind Visibility, |
| 1092 | bool IsInclusionDirective) { |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1093 | // Determine what file we're searching from. |
| 1094 | StringRef ModuleName = Path[0].first->getName(); |
| 1095 | SourceLocation ModuleNameLoc = Path[0].second; |
| 1096 | |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1097 | // If we've already handled this import, just return the cached result. |
| 1098 | // This one-element cache is important to eliminate redundant diagnostics |
| 1099 | // when both the preprocessor and parser see the same import declaration. |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1100 | if (!ImportLoc.isInvalid() && LastModuleImportLoc == ImportLoc) { |
| 1101 | // Make the named module visible. |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1102 | if (LastModuleImportResult && ModuleName != getLangOpts().CurrentModule) |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1103 | ModuleManager->makeModuleVisible(LastModuleImportResult, Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1104 | ImportLoc, /*Complain=*/false); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1105 | return LastModuleImportResult; |
Douglas Gregor | 5e35693 | 2011-12-01 17:11:21 +0000 | [diff] [blame] | 1106 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1107 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 1108 | clang::Module *Module = 0; |
Richard Smith | b934d24 | 2013-10-18 22:48:20 +0000 | [diff] [blame] | 1109 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1110 | // 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] | 1111 | llvm::DenseMap<const IdentifierInfo *, clang::Module *>::iterator Known |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1112 | = KnownModules.find(Path[0].first); |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1113 | if (Known != KnownModules.end()) { |
| 1114 | // Retrieve the cached top-level module. |
| 1115 | Module = Known->second; |
| 1116 | } else if (ModuleName == getLangOpts().CurrentModule) { |
| 1117 | // This is the module we're building. |
| 1118 | Module = PP->getHeaderSearchInfo().getModuleMap().findModule(ModuleName); |
| 1119 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
| 1120 | } else { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1121 | // Search for a module with the given name. |
Douglas Gregor | e434ec7 | 2012-01-29 17:08:11 +0000 | [diff] [blame] | 1122 | Module = PP->getHeaderSearchInfo().lookupModule(ModuleName); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1123 | if (!Module) { |
| 1124 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_found) |
| 1125 | << ModuleName |
| 1126 | << SourceRange(ImportLoc, ModuleNameLoc); |
| 1127 | ModuleBuildFailed = true; |
| 1128 | return ModuleLoadResult(); |
| 1129 | } |
| 1130 | |
| 1131 | std::string ModuleFileName = PP->getHeaderSearchInfo().getModuleFileName(Module); |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1132 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1133 | // If we don't already have an ASTReader, create one now. |
| 1134 | if (!ModuleManager) { |
| 1135 | if (!hasASTContext()) |
| 1136 | createASTContext(); |
NAKAMURA Takumi | a789ca9 | 2011-10-08 11:31:46 +0000 | [diff] [blame] | 1137 | |
Douglas Gregor | d44d287 | 2013-03-25 21:19:16 +0000 | [diff] [blame] | 1138 | // If we're not recursively building a module, check whether we |
| 1139 | // need to prune the module cache. |
| 1140 | if (getSourceManager().getModuleBuildStack().empty() && |
| 1141 | getHeaderSearchOpts().ModuleCachePruneInterval > 0 && |
| 1142 | getHeaderSearchOpts().ModuleCachePruneAfter > 0) { |
| 1143 | pruneModuleCache(getHeaderSearchOpts()); |
| 1144 | } |
| 1145 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1146 | HeaderSearchOptions &HSOpts = getHeaderSearchOpts(); |
| 1147 | std::string Sysroot = HSOpts.Sysroot; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1148 | const PreprocessorOptions &PPOpts = getPreprocessorOpts(); |
| 1149 | ModuleManager = new ASTReader(getPreprocessor(), *Context, |
| 1150 | Sysroot.empty() ? "" : Sysroot.c_str(), |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1151 | PPOpts.DisablePCHValidation, |
| 1152 | /*AllowASTWithCompilerErrors=*/false, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1153 | /*AllowConfigurationMismatch=*/false, |
| 1154 | HSOpts.ModulesValidateSystemHeaders, |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 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 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1162 | getASTContext().setExternalSource(ModuleManager); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1163 | if (hasSema()) |
| 1164 | ModuleManager->InitializeSema(getSema()); |
| 1165 | if (hasASTConsumer()) |
| 1166 | ModuleManager->StartTranslationUnit(&getASTConsumer()); |
Douglas Gregor | de8a905 | 2011-09-14 23:13:09 +0000 | [diff] [blame] | 1167 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1168 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1169 | if (TheDependencyFileGenerator) |
| 1170 | TheDependencyFileGenerator->AttachToASTReader(*ModuleManager); |
| 1171 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1172 | // Try to load the module file. |
| 1173 | unsigned ARRFlags = ASTReader::ARR_OutOfDate | ASTReader::ARR_Missing; |
| 1174 | switch (ModuleManager->ReadAST(ModuleFileName, serialization::MK_Module, |
| 1175 | ImportLoc, ARRFlags)) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1176 | case ASTReader::Success: |
| 1177 | break; |
| 1178 | |
Eli Friedman | 0295c23 | 2013-09-17 00:51:29 +0000 | [diff] [blame] | 1179 | case ASTReader::OutOfDate: |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1180 | case ASTReader::Missing: { |
Eli Friedman | 0295c23 | 2013-09-17 00:51:29 +0000 | [diff] [blame] | 1181 | // The module file is missing or out-of-date. Build it. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1182 | assert(Module && "missing module file"); |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1183 | // Check whether there is a cycle in the module graph. |
| 1184 | ModuleBuildStack ModPath = getSourceManager().getModuleBuildStack(); |
| 1185 | ModuleBuildStack::iterator Pos = ModPath.begin(), PosEnd = ModPath.end(); |
| 1186 | for (; Pos != PosEnd; ++Pos) { |
| 1187 | if (Pos->first == ModuleName) |
| 1188 | break; |
| 1189 | } |
| 1190 | |
| 1191 | if (Pos != PosEnd) { |
| 1192 | SmallString<256> CyclePath; |
| 1193 | for (; Pos != PosEnd; ++Pos) { |
| 1194 | CyclePath += Pos->first; |
| 1195 | CyclePath += " -> "; |
| 1196 | } |
| 1197 | CyclePath += ModuleName; |
| 1198 | |
| 1199 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_cycle) |
| 1200 | << ModuleName << CyclePath; |
| 1201 | return ModuleLoadResult(); |
| 1202 | } |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1203 | |
| 1204 | // Check whether we have already attempted to build this module (but |
| 1205 | // failed). |
| 1206 | if (getPreprocessorOpts().FailedModules && |
| 1207 | getPreprocessorOpts().FailedModules->hasAlreadyFailed(ModuleName)) { |
| 1208 | getDiagnostics().Report(ModuleNameLoc, diag::err_module_not_built) |
| 1209 | << ModuleName |
| 1210 | << SourceRange(ImportLoc, ModuleNameLoc); |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1211 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1212 | return ModuleLoadResult(); |
| 1213 | } |
| 1214 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1215 | // Try to compile the module. |
Douglas Gregor | 830ea5b | 2012-11-30 18:38:50 +0000 | [diff] [blame] | 1216 | compileModule(*this, ModuleNameLoc, Module, ModuleFileName); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1217 | |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1218 | // Try to read the module file, now that we've compiled it. |
| 1219 | ASTReader::ASTReadResult ReadResult |
| 1220 | = ModuleManager->ReadAST(ModuleFileName, |
Argyrios Kyrtzidis | 958bcaf | 2012-11-15 18:57:22 +0000 | [diff] [blame] | 1221 | serialization::MK_Module, ImportLoc, |
Douglas Gregor | 677e15f | 2013-03-19 00:28:20 +0000 | [diff] [blame] | 1222 | ASTReader::ARR_Missing); |
| 1223 | if (ReadResult != ASTReader::Success) { |
| 1224 | if (ReadResult == ASTReader::Missing) { |
| 1225 | getDiagnostics().Report(ModuleNameLoc, |
| 1226 | Module? diag::err_module_not_built |
| 1227 | : diag::err_module_not_found) |
| 1228 | << ModuleName |
| 1229 | << SourceRange(ImportLoc, ModuleNameLoc); |
| 1230 | } |
| 1231 | |
Douglas Gregor | b8a8be1 | 2013-01-10 02:04:18 +0000 | [diff] [blame] | 1232 | if (getPreprocessorOpts().FailedModules) |
| 1233 | getPreprocessorOpts().FailedModules->addFailed(ModuleName); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1234 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1235 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1236 | return ModuleLoadResult(); |
Douglas Gregor | 7cdd281 | 2012-11-07 17:46:15 +0000 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | // Okay, we've rebuilt and now loaded the module. |
| 1240 | break; |
| 1241 | } |
| 1242 | |
Douglas Gregor | 4825fd7 | 2012-10-22 22:50:17 +0000 | [diff] [blame] | 1243 | case ASTReader::VersionMismatch: |
| 1244 | case ASTReader::ConfigurationMismatch: |
| 1245 | case ASTReader::HadErrors: |
Argyrios Kyrtzidis | 3b7deda | 2013-05-24 05:44:08 +0000 | [diff] [blame] | 1246 | ModuleLoader::HadFatalFailure = true; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1247 | // FIXME: The ASTReader will already have complained, but can we showhorn |
| 1248 | // that diagnostic information into a more useful form? |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1249 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1250 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1251 | |
| 1252 | case ASTReader::Failure: |
Argyrios Kyrtzidis | 3b7deda | 2013-05-24 05:44:08 +0000 | [diff] [blame] | 1253 | ModuleLoader::HadFatalFailure = true; |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1254 | // Already complained, but note now that we failed. |
| 1255 | KnownModules[Path[0].first] = 0; |
Douglas Gregor | f575d6e | 2013-01-25 00:45:27 +0000 | [diff] [blame] | 1256 | ModuleBuildFailed = true; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1257 | return ModuleLoadResult(); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1258 | } |
Argyrios Kyrtzidis | e2ac16b | 2012-09-29 01:06:04 +0000 | [diff] [blame] | 1259 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1260 | // Cache the result of this top-level module lookup for later. |
| 1261 | Known = KnownModules.insert(std::make_pair(Path[0].first, Module)).first; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1262 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1263 | |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1264 | // If we never found the module, fail. |
| 1265 | if (!Module) |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1266 | return ModuleLoadResult(); |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1267 | |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1268 | // Verify that the rest of the module path actually corresponds to |
| 1269 | // a submodule. |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1270 | if (Path.size() > 1) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1271 | for (unsigned I = 1, N = Path.size(); I != N; ++I) { |
| 1272 | StringRef Name = Path[I].first->getName(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1273 | clang::Module *Sub = Module->findSubmodule(Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1274 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1275 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1276 | // Attempt to perform typo correction to find a module name that works. |
Dmitri Gribenko | cfa88f8 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 1277 | SmallVector<StringRef, 2> Best; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1278 | unsigned BestEditDistance = (std::numeric_limits<unsigned>::max)(); |
| 1279 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1280 | for (clang::Module::submodule_iterator J = Module->submodule_begin(), |
| 1281 | JEnd = Module->submodule_end(); |
Matt Beaumont-Gay | e25633f | 2011-11-30 19:41:21 +0000 | [diff] [blame] | 1282 | J != JEnd; ++J) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1283 | unsigned ED = Name.edit_distance((*J)->Name, |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1284 | /*AllowReplacements=*/true, |
| 1285 | BestEditDistance); |
| 1286 | if (ED <= BestEditDistance) { |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1287 | if (ED < BestEditDistance) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1288 | Best.clear(); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1289 | BestEditDistance = ED; |
| 1290 | } |
| 1291 | |
| 1292 | Best.push_back((*J)->Name); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1293 | } |
| 1294 | } |
| 1295 | |
| 1296 | // If there was a clear winner, user it. |
| 1297 | if (Best.size() == 1) { |
| 1298 | getDiagnostics().Report(Path[I].second, |
| 1299 | diag::err_no_submodule_suggest) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1300 | << Path[I].first << Module->getFullModuleName() << Best[0] |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1301 | << SourceRange(Path[0].second, Path[I-1].second) |
| 1302 | << FixItHint::CreateReplacement(SourceRange(Path[I].second), |
| 1303 | Best[0]); |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1304 | |
| 1305 | Sub = Module->findSubmodule(Best[0]); |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1306 | } |
| 1307 | } |
| 1308 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1309 | if (!Sub) { |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1310 | // No submodule by this name. Complain, and don't look for further |
| 1311 | // submodules. |
| 1312 | getDiagnostics().Report(Path[I].second, diag::err_no_submodule) |
Douglas Gregor | 392ed2b | 2011-11-30 17:33:56 +0000 | [diff] [blame] | 1313 | << Path[I].first << Module->getFullModuleName() |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1314 | << SourceRange(Path[0].second, Path[I-1].second); |
| 1315 | break; |
| 1316 | } |
| 1317 | |
Douglas Gregor | b7a7819 | 2012-01-04 23:32:19 +0000 | [diff] [blame] | 1318 | Module = Sub; |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1319 | } |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1320 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1321 | |
Douglas Gregor | 5e3f922 | 2011-12-08 17:01:29 +0000 | [diff] [blame] | 1322 | // Make the named module visible, if it's not already part of the module |
| 1323 | // we are parsing. |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1324 | if (ModuleName != getLangOpts().CurrentModule) { |
| 1325 | if (!Module->IsFromModuleFile) { |
| 1326 | // We have an umbrella header or directory that doesn't actually include |
| 1327 | // all of the headers within the directory it covers. Complain about |
| 1328 | // this missing submodule and recover by forgetting that we ever saw |
| 1329 | // this submodule. |
| 1330 | // FIXME: Should we detect this at module load time? It seems fairly |
| 1331 | // expensive (and rare). |
| 1332 | getDiagnostics().Report(ImportLoc, diag::warn_missing_submodule) |
| 1333 | << Module->getFullModuleName() |
| 1334 | << SourceRange(Path.front().second, Path.back().second); |
| 1335 | |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1336 | return ModuleLoadResult(0, true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1337 | } |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1338 | |
| 1339 | // Check whether this module is available. |
Richard Smith | 5794b53 | 2013-10-28 22:18:19 +0000 | [diff] [blame] | 1340 | clang::Module::Requirement Requirement; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame^] | 1341 | clang::Module::HeaderDirective MissingHeader; |
| 1342 | if (!Module->isAvailable(getLangOpts(), getTarget(), Requirement, |
| 1343 | MissingHeader)) { |
| 1344 | if (MissingHeader.FileNameLoc.isValid()) { |
| 1345 | getDiagnostics().Report(MissingHeader.FileNameLoc, |
| 1346 | diag::err_module_header_missing) |
| 1347 | << MissingHeader.IsUmbrella << MissingHeader.FileName; |
| 1348 | } else { |
| 1349 | getDiagnostics().Report(ImportLoc, diag::err_module_unavailable) |
| 1350 | << Module->getFullModuleName() |
| 1351 | << Requirement.second << Requirement.first |
| 1352 | << SourceRange(Path.front().second, Path.back().second); |
| 1353 | } |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1354 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1355 | LastModuleImportResult = ModuleLoadResult(); |
| 1356 | return ModuleLoadResult(); |
Douglas Gregor | 51f564f | 2011-12-31 04:05:44 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1359 | ModuleManager->makeModuleVisible(Module, Visibility, ImportLoc, |
| 1360 | /*Complain=*/true); |
Douglas Gregor | 305dc3e | 2011-12-20 00:28:52 +0000 | [diff] [blame] | 1361 | } |
Douglas Gregor | 63a7268 | 2013-03-20 00:22:05 +0000 | [diff] [blame] | 1362 | |
| 1363 | // Check for any configuration macros that have changed. |
| 1364 | clang::Module *TopModule = Module->getTopLevelModule(); |
| 1365 | for (unsigned I = 0, N = TopModule->ConfigMacros.size(); I != N; ++I) { |
| 1366 | checkConfigMacro(getPreprocessor(), TopModule->ConfigMacros[I], |
| 1367 | Module, ImportLoc); |
| 1368 | } |
| 1369 | |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1370 | // If this module import was due to an inclusion directive, create an |
| 1371 | // implicit import declaration to capture it in the AST. |
| 1372 | if (IsInclusionDirective && hasASTContext()) { |
| 1373 | TranslationUnitDecl *TU = getASTContext().getTranslationUnitDecl(); |
Argyrios Kyrtzidis | d3d9816 | 2012-10-03 01:58:37 +0000 | [diff] [blame] | 1374 | ImportDecl *ImportD = ImportDecl::CreateImplicit(getASTContext(), TU, |
| 1375 | ImportLoc, Module, |
| 1376 | Path.back().second); |
| 1377 | TU->addDecl(ImportD); |
| 1378 | if (Consumer) |
| 1379 | Consumer->HandleImplicitImportDecl(ImportD); |
Douglas Gregor | 93ebfa6 | 2011-12-02 23:42:12 +0000 | [diff] [blame] | 1380 | } |
Douglas Gregor | 49009ec | 2011-11-30 04:03:44 +0000 | [diff] [blame] | 1381 | |
Douglas Gregor | b514c79 | 2011-11-30 04:26:53 +0000 | [diff] [blame] | 1382 | LastModuleImportLoc = ImportLoc; |
Douglas Gregor | 463d909 | 2012-11-29 23:55:25 +0000 | [diff] [blame] | 1383 | LastModuleImportResult = ModuleLoadResult(Module, false); |
| 1384 | return LastModuleImportResult; |
Douglas Gregor | 6aa52ec | 2011-08-26 23:56:07 +0000 | [diff] [blame] | 1385 | } |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1386 | |
| 1387 | void CompilerInstance::makeModuleVisible(Module *Mod, |
Argyrios Kyrtzidis | 5ebcb20 | 2013-02-01 16:36:12 +0000 | [diff] [blame] | 1388 | Module::NameVisibilityKind Visibility, |
Douglas Gregor | 906d66a | 2013-03-20 21:10:35 +0000 | [diff] [blame] | 1389 | SourceLocation ImportLoc, |
| 1390 | bool Complain){ |
| 1391 | ModuleManager->makeModuleVisible(Mod, Visibility, ImportLoc, Complain); |
Douglas Gregor | ca2ab45 | 2013-01-12 01:29:50 +0000 | [diff] [blame] | 1392 | } |
| 1393 | |