1 //===--- CompilerInvocation.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/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 68 case NAME: return CMDFLAG; 69 #include "clang/Frontend/Analyses.def" 70 } 71 } 72 73 //===----------------------------------------------------------------------===// 74 // Serialization (to args) 75 //===----------------------------------------------------------------------===// 76 77 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 if (Opts.ShowCheckerHelp) 80 Res.push_back("-analyzer-checker-help"); 81 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 94 Res.push_back("-analyzer-purge"); 95 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 96 } 97 if (!Opts.AnalyzeSpecificFunction.empty()) { 98 Res.push_back("-analyze-function"); 99 Res.push_back(Opts.AnalyzeSpecificFunction); 100 } 101 if (Opts.AnalyzeAll) 102 Res.push_back("-analyzer-opt-analyze-headers"); 103 if (Opts.AnalyzerDisplayProgress) 104 Res.push_back("-analyzer-display-progress"); 105 if (Opts.AnalyzeNestedBlocks) 106 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 107 if (Opts.EagerlyAssume) 108 Res.push_back("-analyzer-eagerly-assume"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGUbi) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 116 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 117 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 118 if (opt.second) 119 Res.push_back("-analyzer-disable-checker"); 120 else 121 Res.push_back("-analyzer-checker"); 122 Res.push_back(opt.first); 123 } 124 } 125 126 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 127 std::vector<std::string> &Res) { 128 if (Opts.DebugInfo) 129 Res.push_back("-g"); 130 if (Opts.DisableLLVMOpts) 131 Res.push_back("-disable-llvm-optzns"); 132 if (Opts.DisableRedZone) 133 Res.push_back("-disable-red-zone"); 134 if (!Opts.DwarfDebugFlags.empty()) { 135 Res.push_back("-dwarf-debug-flags"); 136 Res.push_back(Opts.DwarfDebugFlags); 137 } 138 if (Opts.ObjCRuntimeHasARC) 139 Res.push_back("-fobjc-runtime-has-arc"); 140 if (Opts.ObjCRuntimeHasTerminate) 141 Res.push_back("-fobjc-runtime-has-terminate"); 142 if (Opts.EmitGcovArcs) 143 Res.push_back("-femit-coverage-data"); 144 if (Opts.EmitGcovNotes) 145 Res.push_back("-femit-coverage-notes"); 146 if (!Opts.MergeAllConstants) 147 Res.push_back("-fno-merge-all-constants"); 148 if (Opts.NoCommon) 149 Res.push_back("-fno-common"); 150 if (Opts.ForbidGuardVariables) 151 Res.push_back("-fforbid-guard-variables"); 152 if (Opts.UseRegisterSizedBitfieldAccess) 153 Res.push_back("-fuse-register-sized-bitfield-access"); 154 if (Opts.NoImplicitFloat) 155 Res.push_back("-no-implicit-float"); 156 if (Opts.OmitLeafFramePointer) 157 Res.push_back("-momit-leaf-frame-pointer"); 158 if (Opts.OptimizeSize) { 159 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 160 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 161 } else if (Opts.OptimizationLevel != 0) 162 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 163 if (!Opts.MainFileName.empty()) { 164 Res.push_back("-main-file-name"); 165 Res.push_back(Opts.MainFileName); 166 } 167 // SimplifyLibCalls is only derived. 168 // TimePasses is only derived. 169 // UnitAtATime is unused. 170 // Inlining is only derived. 171 172 // UnrollLoops is derived, but also accepts an option, no 173 // harm in pushing it back here. 174 if (Opts.UnrollLoops) 175 Res.push_back("-funroll-loops"); 176 if (Opts.DataSections) 177 Res.push_back("-fdata-sections"); 178 if (Opts.FunctionSections) 179 Res.push_back("-ffunction-sections"); 180 if (Opts.AsmVerbose) 181 Res.push_back("-masm-verbose"); 182 if (!Opts.CodeModel.empty()) { 183 Res.push_back("-mcode-model"); 184 Res.push_back(Opts.CodeModel); 185 } 186 if (!Opts.CXAAtExit) 187 Res.push_back("-fno-use-cxa-atexit"); 188 if (Opts.CXXCtorDtorAliases) 189 Res.push_back("-mconstructor-aliases"); 190 if (Opts.ObjCAutoRefCountExceptions) 191 Res.push_back("-fobjc-arc-eh"); 192 if (!Opts.DebugPass.empty()) { 193 Res.push_back("-mdebug-pass"); 194 Res.push_back(Opts.DebugPass); 195 } 196 if (Opts.DisableFPElim) 197 Res.push_back("-mdisable-fp-elim"); 198 if (!Opts.FloatABI.empty()) { 199 Res.push_back("-mfloat-abi"); 200 Res.push_back(Opts.FloatABI); 201 } 202 if (!Opts.LimitFloatPrecision.empty()) { 203 Res.push_back("-mlimit-float-precision"); 204 Res.push_back(Opts.LimitFloatPrecision); 205 } 206 if (Opts.NoZeroInitializedInBSS) 207 Res.push_back("-mno-zero-initialized-bss"); 208 switch (Opts.getObjCDispatchMethod()) { 209 case CodeGenOptions::Legacy: 210 break; 211 case CodeGenOptions::Mixed: 212 Res.push_back("-fobjc-dispatch-method=mixed"); 213 break; 214 case CodeGenOptions::NonLegacy: 215 Res.push_back("-fobjc-dispatch-method=non-legacy"); 216 break; 217 } 218 if (Opts.NumRegisterParameters) { 219 Res.push_back("-mregparm"); 220 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 221 } 222 if (Opts.NoGlobalMerge) 223 Res.push_back("-mno-global-merge"); 224 if (Opts.NoExecStack) 225 Res.push_back("-mnoexecstack"); 226 if (Opts.RelaxAll) 227 Res.push_back("-mrelax-all"); 228 if (Opts.SaveTempLabels) 229 Res.push_back("-msave-temp-labels"); 230 if (Opts.NoDwarf2CFIAsm) 231 Res.push_back("-fno-dwarf2-cfi-asm"); 232 if (Opts.SoftFloat) 233 Res.push_back("-msoft-float"); 234 if (Opts.UnwindTables) 235 Res.push_back("-munwind-tables"); 236 if (Opts.RelocationModel != "pic") { 237 Res.push_back("-mrelocation-model"); 238 Res.push_back(Opts.RelocationModel); 239 } 240 if (!Opts.VerifyModule) 241 Res.push_back("-disable-llvm-verifier"); 242 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 243 Res.push_back("-backend-option"); 244 Res.push_back(Opts.BackendOptions[i]); 245 } 246 } 247 248 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 249 std::vector<std::string> &Res) { 250 if (Opts.IncludeSystemHeaders) 251 Res.push_back("-sys-header-deps"); 252 if (Opts.ShowHeaderIncludes) 253 Res.push_back("-H"); 254 if (!Opts.HeaderIncludeOutputFile.empty()) { 255 Res.push_back("-header-include-file"); 256 Res.push_back(Opts.HeaderIncludeOutputFile); 257 } 258 if (Opts.UsePhonyTargets) 259 Res.push_back("-MP"); 260 if (!Opts.OutputFile.empty()) { 261 Res.push_back("-dependency-file"); 262 Res.push_back(Opts.OutputFile); 263 } 264 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 265 Res.push_back("-MT"); 266 Res.push_back(Opts.Targets[i]); 267 } 268 } 269 270 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 271 std::vector<std::string> &Res) { 272 if (Opts.IgnoreWarnings) 273 Res.push_back("-w"); 274 if (Opts.NoRewriteMacros) 275 Res.push_back("-Wno-rewrite-macros"); 276 if (Opts.Pedantic) 277 Res.push_back("-pedantic"); 278 if (Opts.PedanticErrors) 279 Res.push_back("-pedantic-errors"); 280 if (!Opts.ShowColumn) 281 Res.push_back("-fno-show-column"); 282 if (!Opts.ShowLocation) 283 Res.push_back("-fno-show-source-location"); 284 if (!Opts.ShowCarets) 285 Res.push_back("-fno-caret-diagnostics"); 286 if (!Opts.ShowFixits) 287 Res.push_back("-fno-diagnostics-fixit-info"); 288 if (Opts.ShowSourceRanges) 289 Res.push_back("-fdiagnostics-print-source-range-info"); 290 if (Opts.ShowParseableFixits) 291 Res.push_back("-fdiagnostics-parseable-fixits"); 292 if (Opts.ShowColors) 293 Res.push_back("-fcolor-diagnostics"); 294 if (Opts.VerifyDiagnostics) 295 Res.push_back("-verify"); 296 if (Opts.ShowNames) 297 Res.push_back("-fdiagnostics-show-name"); 298 if (Opts.ShowOptionNames) 299 Res.push_back("-fdiagnostics-show-option"); 300 if (Opts.ShowCategories == 1) 301 Res.push_back("-fdiagnostics-show-category=id"); 302 else if (Opts.ShowCategories == 2) 303 Res.push_back("-fdiagnostics-show-category=name"); 304 switch (Opts.Format) { 305 case DiagnosticOptions::Clang: 306 Res.push_back("-fdiagnostics-format=clang"); break; 307 case DiagnosticOptions::Msvc: 308 Res.push_back("-fdiagnostics-format=msvc"); break; 309 case DiagnosticOptions::Vi: 310 Res.push_back("-fdiagnostics-format=vi"); break; 311 } 312 if (Opts.ErrorLimit) { 313 Res.push_back("-ferror-limit"); 314 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 315 } 316 if (!Opts.DiagnosticLogFile.empty()) { 317 Res.push_back("-diagnostic-log-file"); 318 Res.push_back(Opts.DiagnosticLogFile); 319 } 320 if (Opts.MacroBacktraceLimit 321 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 322 Res.push_back("-fmacro-backtrace-limit"); 323 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 324 } 325 if (Opts.TemplateBacktraceLimit 326 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 327 Res.push_back("-ftemplate-backtrace-limit"); 328 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 329 } 330 331 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 332 Res.push_back("-ftabstop"); 333 Res.push_back(llvm::utostr(Opts.TabStop)); 334 } 335 if (Opts.MessageLength) { 336 Res.push_back("-fmessage-length"); 337 Res.push_back(llvm::utostr(Opts.MessageLength)); 338 } 339 if (!Opts.DumpBuildInformation.empty()) { 340 Res.push_back("-dump-build-information"); 341 Res.push_back(Opts.DumpBuildInformation); 342 } 343 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 344 Res.push_back("-W" + Opts.Warnings[i]); 345 } 346 347 static const char *getInputKindName(InputKind Kind) { 348 switch (Kind) { 349 case IK_None: break; 350 case IK_AST: return "ast"; 351 case IK_Asm: return "assembler-with-cpp"; 352 case IK_C: return "c"; 353 case IK_CXX: return "c++"; 354 case IK_LLVM_IR: return "ir"; 355 case IK_ObjC: return "objective-c"; 356 case IK_ObjCXX: return "objective-c++"; 357 case IK_OpenCL: return "cl"; 358 case IK_CUDA: return "cuda"; 359 case IK_PreprocessedC: return "cpp-output"; 360 case IK_PreprocessedCXX: return "c++-cpp-output"; 361 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 362 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 363 } 364 365 llvm_unreachable("Unexpected language kind!"); 366 return 0; 367 } 368 369 static const char *getActionName(frontend::ActionKind Kind) { 370 switch (Kind) { 371 case frontend::PluginAction: 372 llvm_unreachable("Invalid kind!"); 373 374 case frontend::ASTDump: return "-ast-dump"; 375 case frontend::ASTDumpXML: return "-ast-dump-xml"; 376 case frontend::ASTPrint: return "-ast-print"; 377 case frontend::ASTView: return "-ast-view"; 378 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 379 case frontend::DumpTokens: return "-dump-tokens"; 380 case frontend::EmitAssembly: return "-S"; 381 case frontend::EmitBC: return "-emit-llvm-bc"; 382 case frontend::EmitHTML: return "-emit-html"; 383 case frontend::EmitLLVM: return "-emit-llvm"; 384 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 385 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 386 case frontend::EmitObj: return "-emit-obj"; 387 case frontend::FixIt: return "-fixit"; 388 case frontend::GenerateModule: return "-emit-module"; 389 case frontend::GeneratePCH: return "-emit-pch"; 390 case frontend::GeneratePTH: return "-emit-pth"; 391 case frontend::InitOnly: return "-init-only"; 392 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 393 case frontend::PrintDeclContext: return "-print-decl-contexts"; 394 case frontend::PrintPreamble: return "-print-preamble"; 395 case frontend::PrintPreprocessedInput: return "-E"; 396 case frontend::RewriteMacros: return "-rewrite-macros"; 397 case frontend::RewriteObjC: return "-rewrite-objc"; 398 case frontend::RewriteTest: return "-rewrite-test"; 399 case frontend::RunAnalysis: return "-analyze"; 400 case frontend::RunPreprocessorOnly: return "-Eonly"; 401 } 402 403 llvm_unreachable("Unexpected language kind!"); 404 return 0; 405 } 406 407 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 408 std::vector<std::string> &Res) { 409 if (!Opts.WorkingDir.empty()) { 410 Res.push_back("-working-directory"); 411 Res.push_back(Opts.WorkingDir); 412 } 413 } 414 415 static void FrontendOptsToArgs(const FrontendOptions &Opts, 416 std::vector<std::string> &Res) { 417 if (Opts.DisableFree) 418 Res.push_back("-disable-free"); 419 if (Opts.RelocatablePCH) 420 Res.push_back("-relocatable-pch"); 421 if (Opts.ShowHelp) 422 Res.push_back("-help"); 423 if (Opts.ShowMacrosInCodeCompletion) 424 Res.push_back("-code-completion-macros"); 425 if (Opts.ShowCodePatternsInCodeCompletion) 426 Res.push_back("-code-completion-patterns"); 427 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 428 Res.push_back("-no-code-completion-globals"); 429 if (Opts.ShowStats) 430 Res.push_back("-print-stats"); 431 if (Opts.ShowTimers) 432 Res.push_back("-ftime-report"); 433 if (Opts.ShowVersion) 434 Res.push_back("-version"); 435 if (Opts.FixWhatYouCan) 436 Res.push_back("-fix-what-you-can"); 437 switch (Opts.ARCMTAction) { 438 case FrontendOptions::ARCMT_None: 439 break; 440 case FrontendOptions::ARCMT_Check: 441 Res.push_back("-arcmt-check"); 442 break; 443 case FrontendOptions::ARCMT_Modify: 444 Res.push_back("-arcmt-modify"); 445 break; 446 case FrontendOptions::ARCMT_Migrate: 447 Res.push_back("-arcmt-migrate"); 448 break; 449 } 450 if (!Opts.ARCMTMigrateDir.empty()) { 451 Res.push_back("-arcmt-migrate-directory"); 452 Res.push_back(Opts.ARCMTMigrateDir); 453 } 454 if (!Opts.ARCMTMigrateReportOut.empty()) { 455 Res.push_back("-arcmt-migrate-report-output"); 456 Res.push_back(Opts.ARCMTMigrateReportOut); 457 } 458 if (Opts.ARCMTMigrateEmitARCErrors) 459 Res.push_back("-arcmt-migrate-emit-errors"); 460 461 bool NeedLang = false; 462 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 463 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 464 Opts.Inputs[i].first) 465 NeedLang = true; 466 if (NeedLang) { 467 Res.push_back("-x"); 468 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 469 } 470 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 471 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 472 "Unable to represent this input vector!"); 473 Res.push_back(Opts.Inputs[i].second); 474 } 475 476 if (!Opts.OutputFile.empty()) { 477 Res.push_back("-o"); 478 Res.push_back(Opts.OutputFile); 479 } 480 if (!Opts.CodeCompletionAt.FileName.empty()) { 481 Res.push_back("-code-completion-at"); 482 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 483 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 484 llvm::utostr(Opts.CodeCompletionAt.Column)); 485 } 486 if (Opts.ProgramAction != frontend::PluginAction) 487 Res.push_back(getActionName(Opts.ProgramAction)); 488 if (!Opts.ActionName.empty()) { 489 Res.push_back("-plugin"); 490 Res.push_back(Opts.ActionName); 491 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 492 Res.push_back("-plugin-arg-" + Opts.ActionName); 493 Res.push_back(Opts.PluginArgs[i]); 494 } 495 } 496 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 497 Res.push_back("-load"); 498 Res.push_back(Opts.Plugins[i]); 499 } 500 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 501 Res.push_back("-add-plugin"); 502 Res.push_back(Opts.AddPluginActions[i]); 503 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 504 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 505 Res.push_back(Opts.AddPluginArgs[i][ai]); 506 } 507 } 508 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 509 Res.push_back("-ast-merge"); 510 Res.push_back(Opts.ASTMergeFiles[i]); 511 } 512 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 513 Res.push_back("-mllvm"); 514 Res.push_back(Opts.LLVMArgs[i]); 515 } 516 } 517 518 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 519 std::vector<std::string> &Res) { 520 if (Opts.Sysroot != "/") { 521 Res.push_back("-isysroot"); 522 Res.push_back(Opts.Sysroot); 523 } 524 525 /// User specified include entries. 526 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 527 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 528 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 529 llvm::report_fatal_error("Invalid option set!"); 530 if (E.IsUserSupplied) { 531 switch (E.Group) { 532 case frontend::After: 533 Res.push_back("-idirafter"); 534 break; 535 536 case frontend::Quoted: 537 Res.push_back("-iquote"); 538 break; 539 540 case frontend::System: 541 Res.push_back("-isystem"); 542 break; 543 544 case frontend::IndexHeaderMap: 545 Res.push_back("-index-header-map"); 546 Res.push_back(E.IsFramework? "-F" : "-I"); 547 break; 548 549 case frontend::CSystem: 550 Res.push_back("-c-isystem"); 551 break; 552 553 case frontend::CXXSystem: 554 Res.push_back("-cxx-isystem"); 555 break; 556 557 case frontend::ObjCSystem: 558 Res.push_back("-objc-isystem"); 559 break; 560 561 case frontend::ObjCXXSystem: 562 Res.push_back("-objcxx-isystem"); 563 break; 564 565 case frontend::Angled: 566 Res.push_back(E.IsFramework ? "-F" : "-I"); 567 break; 568 } 569 } else { 570 if (E.Group != frontend::Angled && E.Group != frontend::System) 571 llvm::report_fatal_error("Invalid option set!"); 572 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 573 "-iwithprefix"); 574 } 575 Res.push_back(E.Path); 576 } 577 578 if (!Opts.ResourceDir.empty()) { 579 Res.push_back("-resource-dir"); 580 Res.push_back(Opts.ResourceDir); 581 } 582 if (!Opts.ModuleCachePath.empty()) { 583 Res.push_back("-fmodule-cache-path"); 584 Res.push_back(Opts.ModuleCachePath); 585 } 586 if (!Opts.UseStandardIncludes) 587 Res.push_back("-nostdinc"); 588 if (!Opts.UseStandardCXXIncludes) 589 Res.push_back("-nostdinc++"); 590 if (Opts.UseLibcxx) 591 Res.push_back("-stdlib=libc++"); 592 if (Opts.Verbose) 593 Res.push_back("-v"); 594 } 595 596 static void LangOptsToArgs(const LangOptions &Opts, 597 std::vector<std::string> &Res) { 598 LangOptions DefaultLangOpts; 599 600 // FIXME: Need to set -std to get all the implicit options. 601 602 // FIXME: We want to only pass options relative to the defaults, which 603 // requires constructing a target. :( 604 // 605 // It would be better to push the all target specific choices into the driver, 606 // so that everything below that was more uniform. 607 608 if (Opts.Trigraphs) 609 Res.push_back("-trigraphs"); 610 // Implicit based on the input kind: 611 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 612 // Implicit based on the input language standard: 613 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 614 if (Opts.DollarIdents) 615 Res.push_back("-fdollars-in-identifiers"); 616 if (Opts.GNUMode && !Opts.GNUKeywords) 617 Res.push_back("-fno-gnu-keywords"); 618 if (!Opts.GNUMode && Opts.GNUKeywords) 619 Res.push_back("-fgnu-keywords"); 620 if (Opts.MicrosoftExt) 621 Res.push_back("-fms-extensions"); 622 if (Opts.MSCVersion != 0) 623 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 624 if (Opts.Borland) 625 Res.push_back("-fborland-extensions"); 626 if (!Opts.ObjCNonFragileABI) 627 Res.push_back("-fobjc-fragile-abi"); 628 if (Opts.ObjCDefaultSynthProperties) 629 Res.push_back("-fobjc-default-synthesize-properties"); 630 // NoInline is implicit. 631 if (!Opts.CXXOperatorNames) 632 Res.push_back("-fno-operator-names"); 633 if (Opts.PascalStrings) 634 Res.push_back("-fpascal-strings"); 635 if (Opts.CatchUndefined) 636 Res.push_back("-fcatch-undefined-behavior"); 637 if (Opts.WritableStrings) 638 Res.push_back("-fwritable-strings"); 639 if (Opts.ConstStrings) 640 Res.push_back("-fconst-strings"); 641 if (!Opts.LaxVectorConversions) 642 Res.push_back("-fno-lax-vector-conversions"); 643 if (Opts.AltiVec) 644 Res.push_back("-faltivec"); 645 if (Opts.Exceptions) 646 Res.push_back("-fexceptions"); 647 if (Opts.ObjCExceptions) 648 Res.push_back("-fobjc-exceptions"); 649 if (Opts.CXXExceptions) 650 Res.push_back("-fcxx-exceptions"); 651 if (Opts.SjLjExceptions) 652 Res.push_back("-fsjlj-exceptions"); 653 if (Opts.TraditionalCPP) 654 Res.push_back("-traditional-cpp"); 655 if (!Opts.RTTI) 656 Res.push_back("-fno-rtti"); 657 if (Opts.MSBitfields) 658 Res.push_back("-mms-bitfields"); 659 if (!Opts.NeXTRuntime) 660 Res.push_back("-fgnu-runtime"); 661 if (Opts.Freestanding) 662 Res.push_back("-ffreestanding"); 663 if (Opts.NoBuiltin) 664 Res.push_back("-fno-builtin"); 665 if (!Opts.AssumeSaneOperatorNew) 666 Res.push_back("-fno-assume-sane-operator-new"); 667 if (!Opts.ThreadsafeStatics) 668 Res.push_back("-fno-threadsafe-statics"); 669 if (Opts.POSIXThreads) 670 Res.push_back("-pthread"); 671 if (Opts.Blocks) 672 Res.push_back("-fblocks"); 673 if (Opts.BlocksRuntimeOptional) 674 Res.push_back("-fblocks-runtime-optional"); 675 if (Opts.EmitAllDecls) 676 Res.push_back("-femit-all-decls"); 677 if (Opts.MathErrno) 678 Res.push_back("-fmath-errno"); 679 switch (Opts.getSignedOverflowBehavior()) { 680 case LangOptions::SOB_Undefined: break; 681 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 682 case LangOptions::SOB_Trapping: 683 Res.push_back("-ftrapv"); break; 684 if (!Opts.OverflowHandler.empty()) { 685 Res.push_back("-ftrapv-handler"); 686 Res.push_back(Opts.OverflowHandler); 687 } 688 } 689 if (Opts.HeinousExtensions) 690 Res.push_back("-fheinous-gnu-extensions"); 691 // Optimize is implicit. 692 // OptimizeSize is implicit. 693 if (Opts.Static) 694 Res.push_back("-static-define"); 695 if (Opts.DumpRecordLayouts) 696 Res.push_back("-fdump-record-layouts"); 697 if (Opts.DumpVTableLayouts) 698 Res.push_back("-fdump-vtable-layouts"); 699 if (Opts.NoBitFieldTypeAlign) 700 Res.push_back("-fno-bitfield-type-alignment"); 701 if (Opts.PICLevel) { 702 Res.push_back("-pic-level"); 703 Res.push_back(llvm::utostr(Opts.PICLevel)); 704 } 705 if (Opts.ObjCGCBitmapPrint) 706 Res.push_back("-print-ivar-layout"); 707 if (Opts.NoConstantCFStrings) 708 Res.push_back("-fno-constant-cfstrings"); 709 if (!Opts.AccessControl) 710 Res.push_back("-fno-access-control"); 711 if (!Opts.CharIsSigned) 712 Res.push_back("-fno-signed-char"); 713 if (Opts.ShortWChar) 714 Res.push_back("-fshort-wchar"); 715 if (!Opts.ElideConstructors) 716 Res.push_back("-fno-elide-constructors"); 717 if (Opts.getGC() != LangOptions::NonGC) { 718 if (Opts.getGC() == LangOptions::HybridGC) { 719 Res.push_back("-fobjc-gc"); 720 } else { 721 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 722 Res.push_back("-fobjc-gc-only"); 723 } 724 } 725 if (Opts.ObjCAutoRefCount) 726 Res.push_back("-fobjc-arc"); 727 if (Opts.ObjCRuntimeHasWeak) 728 Res.push_back("-fobjc-runtime-has-weak"); 729 if (!Opts.ObjCInferRelatedResultType) 730 Res.push_back("-fno-objc-infer-related-result-type"); 731 732 if (Opts.AppleKext) 733 Res.push_back("-fapple-kext"); 734 735 if (Opts.getVisibilityMode() != DefaultVisibility) { 736 Res.push_back("-fvisibility"); 737 if (Opts.getVisibilityMode() == HiddenVisibility) { 738 Res.push_back("hidden"); 739 } else { 740 assert(Opts.getVisibilityMode() == ProtectedVisibility && 741 "Invalid visibility!"); 742 Res.push_back("protected"); 743 } 744 } 745 if (Opts.InlineVisibilityHidden) 746 Res.push_back("-fvisibility-inlines-hidden"); 747 748 if (Opts.getStackProtector() != 0) { 749 Res.push_back("-stack-protector"); 750 Res.push_back(llvm::utostr(Opts.getStackProtector())); 751 } 752 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 753 Res.push_back("-ftemplate-depth"); 754 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 755 } 756 if (!Opts.ObjCConstantStringClass.empty()) { 757 Res.push_back("-fconstant-string-class"); 758 Res.push_back(Opts.ObjCConstantStringClass); 759 } 760 if (Opts.FakeAddressSpaceMap) 761 Res.push_back("-ffake-address-space-map"); 762 if (Opts.ParseUnknownAnytype) 763 Res.push_back("-funknown-anytype"); 764 if (Opts.DebuggerSupport) 765 Res.push_back("-fdebugger-support"); 766 if (Opts.DelayedTemplateParsing) 767 Res.push_back("-fdelayed-template-parsing"); 768 if (Opts.Deprecated) 769 Res.push_back("-fdeprecated-macro"); 770 } 771 772 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 773 std::vector<std::string> &Res) { 774 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 775 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 776 Opts.Macros[i].first); 777 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 778 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 779 Res.push_back("-include"); 780 Res.push_back(Opts.Includes[i]); 781 } 782 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 783 Res.push_back("-imacros"); 784 Res.push_back(Opts.MacroIncludes[i]); 785 } 786 if (!Opts.UsePredefines) 787 Res.push_back("-undef"); 788 if (Opts.DetailedRecord) 789 Res.push_back("-detailed-preprocessing-record"); 790 if (!Opts.ImplicitPCHInclude.empty()) { 791 Res.push_back("-include-pch"); 792 Res.push_back(Opts.ImplicitPCHInclude); 793 } 794 if (!Opts.ImplicitPTHInclude.empty()) { 795 Res.push_back("-include-pth"); 796 Res.push_back(Opts.ImplicitPTHInclude); 797 } 798 if (!Opts.TokenCache.empty()) { 799 if (Opts.ImplicitPTHInclude.empty()) { 800 Res.push_back("-token-cache"); 801 Res.push_back(Opts.TokenCache); 802 } else 803 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 804 "Unsupported option combination!"); 805 } 806 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 807 Res.push_back("-chain-include"); 808 Res.push_back(Opts.ChainedIncludes[i]); 809 } 810 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 811 Res.push_back("-remap-file"); 812 Res.push_back(Opts.RemappedFiles[i].first + ";" + 813 Opts.RemappedFiles[i].second); 814 } 815 } 816 817 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 818 std::vector<std::string> &Res) { 819 if (!Opts.ShowCPP && !Opts.ShowMacros) 820 llvm::report_fatal_error("Invalid option combination!"); 821 822 if (Opts.ShowCPP && Opts.ShowMacros) 823 Res.push_back("-dD"); 824 else if (!Opts.ShowCPP && Opts.ShowMacros) 825 Res.push_back("-dM"); 826 827 if (!Opts.ShowLineMarkers) 828 Res.push_back("-P"); 829 if (Opts.ShowComments) 830 Res.push_back("-C"); 831 if (Opts.ShowMacroComments) 832 Res.push_back("-CC"); 833 } 834 835 static void TargetOptsToArgs(const TargetOptions &Opts, 836 std::vector<std::string> &Res) { 837 Res.push_back("-triple"); 838 Res.push_back(Opts.Triple); 839 if (!Opts.CPU.empty()) { 840 Res.push_back("-target-cpu"); 841 Res.push_back(Opts.CPU); 842 } 843 if (!Opts.ABI.empty()) { 844 Res.push_back("-target-abi"); 845 Res.push_back(Opts.ABI); 846 } 847 if (!Opts.LinkerVersion.empty()) { 848 Res.push_back("-target-linker-version"); 849 Res.push_back(Opts.LinkerVersion); 850 } 851 if (!Opts.CXXABI.empty()) { 852 Res.push_back("-cxx-abi"); 853 Res.push_back(Opts.CXXABI); 854 } 855 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 856 Res.push_back("-target-feature"); 857 Res.push_back(Opts.Features[i]); 858 } 859 } 860 861 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 862 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 863 CodeGenOptsToArgs(getCodeGenOpts(), Res); 864 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 865 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 866 FileSystemOptsToArgs(getFileSystemOpts(), Res); 867 FrontendOptsToArgs(getFrontendOpts(), Res); 868 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 869 LangOptsToArgs(getLangOpts(), Res); 870 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 871 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 872 TargetOptsToArgs(getTargetOpts(), Res); 873 } 874 875 //===----------------------------------------------------------------------===// 876 // Deserialization (to args) 877 //===----------------------------------------------------------------------===// 878 879 using namespace clang::driver; 880 using namespace clang::driver::cc1options; 881 882 // 883 884 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 885 DiagnosticsEngine &Diags) { 886 unsigned DefaultOpt = 0; 887 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 888 DefaultOpt = 2; 889 // -Os/-Oz implies -O2 890 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 891 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 892 } 893 894 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 895 DiagnosticsEngine &Diags) { 896 using namespace cc1options; 897 898 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 899 StringRef Name = A->getValue(Args); 900 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 901 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 902 .Case(CMDFLAG, NAME##Model) 903 #include "clang/Frontend/Analyses.def" 904 .Default(NumStores); 905 // FIXME: Error handling. 906 if (Value == NumStores) 907 Diags.Report(diag::err_drv_invalid_value) 908 << A->getAsString(Args) << Name; 909 else 910 Opts.AnalysisStoreOpt = Value; 911 } 912 913 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 914 StringRef Name = A->getValue(Args); 915 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 916 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 917 .Case(CMDFLAG, NAME##Model) 918 #include "clang/Frontend/Analyses.def" 919 .Default(NumConstraints); 920 // FIXME: Error handling. 921 if (Value == NumConstraints) 922 Diags.Report(diag::err_drv_invalid_value) 923 << A->getAsString(Args) << Name; 924 else 925 Opts.AnalysisConstraintsOpt = Value; 926 } 927 928 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 929 StringRef Name = A->getValue(Args); 930 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 931 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 932 .Case(CMDFLAG, PD_##NAME) 933 #include "clang/Frontend/Analyses.def" 934 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 935 // FIXME: Error handling. 936 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 937 Diags.Report(diag::err_drv_invalid_value) 938 << A->getAsString(Args) << Name; 939 else 940 Opts.AnalysisDiagOpt = Value; 941 } 942 943 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 944 StringRef Name = A->getValue(Args); 945 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 946 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 947 .Case(CMDFLAG, NAME) 948 #include "clang/Frontend/Analyses.def" 949 .Default(NumPurgeModes); 950 // FIXME: Error handling. 951 if (Value == NumPurgeModes) 952 Diags.Report(diag::err_drv_invalid_value) 953 << A->getAsString(Args) << Name; 954 else 955 Opts.AnalysisPurgeOpt = Value; 956 } 957 958 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 959 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 960 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 961 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 962 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 963 Opts.AnalyzeNestedBlocks = 964 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 965 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 966 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 967 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 968 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 969 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 970 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 971 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 972 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 973 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 974 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 975 976 Opts.CheckersControlList.clear(); 977 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 978 OPT_analyzer_disable_checker), 979 ie = Args.filtered_end(); it != ie; ++it) { 980 const Arg *A = *it; 981 A->claim(); 982 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 983 // We can have a list of comma separated checker names, e.g: 984 // '-analyzer-checker=cocoa,unix' 985 StringRef checkerList = A->getValue(Args); 986 SmallVector<StringRef, 4> checkers; 987 checkerList.split(checkers, ","); 988 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 989 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 990 } 991 } 992 993 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 994 DiagnosticsEngine &Diags) { 995 using namespace cc1options; 996 997 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 998 if (Opts.OptimizationLevel > 3) { 999 Diags.Report(diag::err_drv_invalid_value) 1000 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1001 Opts.OptimizationLevel = 3; 1002 } 1003 1004 // We must always run at least the always inlining pass. 1005 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1006 : CodeGenOptions::OnlyAlwaysInlining; 1007 1008 Opts.DebugInfo = Args.hasArg(OPT_g); 1009 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 1010 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1011 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1012 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1013 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1014 OPT_fuse_register_sized_bitfield_access); 1015 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1016 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1017 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1018 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1019 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1020 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1021 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1022 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1023 Args.hasArg(OPT_ffreestanding)); 1024 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1025 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1026 1027 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1028 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1029 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1030 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1031 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1032 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1033 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1034 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1035 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1036 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1037 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1038 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1039 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1040 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1041 Args.hasArg(OPT_cl_fast_relaxed_math); 1042 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1043 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1044 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1045 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1046 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1047 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1048 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1049 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1050 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1051 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1052 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1053 Args.hasArg(OPT_cl_fast_relaxed_math); 1054 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1055 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1056 1057 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1058 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1059 1060 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1061 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1062 1063 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1064 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1065 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1066 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1067 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1068 1069 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1070 StringRef Name = A->getValue(Args); 1071 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1072 .Case("legacy", CodeGenOptions::Legacy) 1073 .Case("non-legacy", CodeGenOptions::NonLegacy) 1074 .Case("mixed", CodeGenOptions::Mixed) 1075 .Default(~0U); 1076 if (Method == ~0U) 1077 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1078 else 1079 Opts.ObjCDispatchMethod = Method; 1080 } 1081 } 1082 1083 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1084 ArgList &Args) { 1085 using namespace cc1options; 1086 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1087 Opts.Targets = Args.getAllArgValues(OPT_MT); 1088 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1089 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1090 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1091 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1092 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1093 } 1094 1095 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1096 DiagnosticsEngine &Diags) { 1097 using namespace cc1options; 1098 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1099 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1100 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1101 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1102 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1103 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1104 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1105 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1106 OPT_fno_show_column, 1107 /*Default=*/true); 1108 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1109 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1110 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1111 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1112 1113 // Default behavior is to not to show note include stacks. 1114 Opts.ShowNoteIncludeStack = false; 1115 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1116 OPT_fno_diagnostics_show_note_include_stack)) 1117 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1118 Opts.ShowNoteIncludeStack = true; 1119 1120 StringRef ShowOverloads = 1121 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1122 if (ShowOverloads == "best") 1123 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1124 else if (ShowOverloads == "all") 1125 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1126 else 1127 Diags.Report(diag::err_drv_invalid_value) 1128 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1129 << ShowOverloads; 1130 1131 StringRef ShowCategory = 1132 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1133 if (ShowCategory == "none") 1134 Opts.ShowCategories = 0; 1135 else if (ShowCategory == "id") 1136 Opts.ShowCategories = 1; 1137 else if (ShowCategory == "name") 1138 Opts.ShowCategories = 2; 1139 else 1140 Diags.Report(diag::err_drv_invalid_value) 1141 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1142 << ShowCategory; 1143 1144 StringRef Format = 1145 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1146 if (Format == "clang") 1147 Opts.Format = DiagnosticOptions::Clang; 1148 else if (Format == "msvc") 1149 Opts.Format = DiagnosticOptions::Msvc; 1150 else if (Format == "vi") 1151 Opts.Format = DiagnosticOptions::Vi; 1152 else 1153 Diags.Report(diag::err_drv_invalid_value) 1154 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1155 << Format; 1156 1157 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1158 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1159 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1160 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1161 Opts.MacroBacktraceLimit 1162 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1163 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1164 Opts.TemplateBacktraceLimit 1165 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1166 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1167 Diags); 1168 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1169 DiagnosticOptions::DefaultTabStop, Diags); 1170 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1171 Diags.Report(diag::warn_ignoring_ftabstop_value) 1172 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1173 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1174 } 1175 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1176 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1177 Opts.Warnings = Args.getAllArgValues(OPT_W); 1178 } 1179 1180 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1181 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1182 } 1183 1184 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1185 DiagnosticsEngine &Diags) { 1186 using namespace cc1options; 1187 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1188 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1189 switch (A->getOption().getID()) { 1190 default: 1191 llvm_unreachable("Invalid option in group!"); 1192 case OPT_ast_dump: 1193 Opts.ProgramAction = frontend::ASTDump; break; 1194 case OPT_ast_dump_xml: 1195 Opts.ProgramAction = frontend::ASTDumpXML; break; 1196 case OPT_ast_print: 1197 Opts.ProgramAction = frontend::ASTPrint; break; 1198 case OPT_ast_view: 1199 Opts.ProgramAction = frontend::ASTView; break; 1200 case OPT_dump_raw_tokens: 1201 Opts.ProgramAction = frontend::DumpRawTokens; break; 1202 case OPT_dump_tokens: 1203 Opts.ProgramAction = frontend::DumpTokens; break; 1204 case OPT_S: 1205 Opts.ProgramAction = frontend::EmitAssembly; break; 1206 case OPT_emit_llvm_bc: 1207 Opts.ProgramAction = frontend::EmitBC; break; 1208 case OPT_emit_html: 1209 Opts.ProgramAction = frontend::EmitHTML; break; 1210 case OPT_emit_llvm: 1211 Opts.ProgramAction = frontend::EmitLLVM; break; 1212 case OPT_emit_llvm_only: 1213 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1214 case OPT_emit_codegen_only: 1215 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1216 case OPT_emit_obj: 1217 Opts.ProgramAction = frontend::EmitObj; break; 1218 case OPT_fixit_EQ: 1219 Opts.FixItSuffix = A->getValue(Args); 1220 // fall-through! 1221 case OPT_fixit: 1222 Opts.ProgramAction = frontend::FixIt; break; 1223 case OPT_emit_module: 1224 Opts.ProgramAction = frontend::GenerateModule; break; 1225 case OPT_emit_pch: 1226 Opts.ProgramAction = frontend::GeneratePCH; break; 1227 case OPT_emit_pth: 1228 Opts.ProgramAction = frontend::GeneratePTH; break; 1229 case OPT_init_only: 1230 Opts.ProgramAction = frontend::InitOnly; break; 1231 case OPT_fsyntax_only: 1232 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1233 case OPT_print_decl_contexts: 1234 Opts.ProgramAction = frontend::PrintDeclContext; break; 1235 case OPT_print_preamble: 1236 Opts.ProgramAction = frontend::PrintPreamble; break; 1237 case OPT_E: 1238 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1239 case OPT_rewrite_macros: 1240 Opts.ProgramAction = frontend::RewriteMacros; break; 1241 case OPT_rewrite_objc: 1242 Opts.ProgramAction = frontend::RewriteObjC; break; 1243 case OPT_rewrite_test: 1244 Opts.ProgramAction = frontend::RewriteTest; break; 1245 case OPT_analyze: 1246 Opts.ProgramAction = frontend::RunAnalysis; break; 1247 case OPT_Eonly: 1248 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1249 } 1250 } 1251 1252 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1253 Opts.Plugins.push_back(A->getValue(Args,0)); 1254 Opts.ProgramAction = frontend::PluginAction; 1255 Opts.ActionName = A->getValue(Args); 1256 1257 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1258 end = Args.filtered_end(); it != end; ++it) { 1259 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1260 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1261 } 1262 } 1263 1264 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1265 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1266 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1267 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1268 end = Args.filtered_end(); it != end; ++it) { 1269 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1270 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1271 } 1272 } 1273 1274 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1275 Opts.CodeCompletionAt = 1276 ParsedSourceLocation::FromString(A->getValue(Args)); 1277 if (Opts.CodeCompletionAt.FileName.empty()) 1278 Diags.Report(diag::err_drv_invalid_value) 1279 << A->getAsString(Args) << A->getValue(Args); 1280 } 1281 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1282 1283 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1284 Opts.Plugins = Args.getAllArgValues(OPT_load); 1285 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1286 Opts.ShowHelp = Args.hasArg(OPT_help); 1287 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1288 Opts.ShowCodePatternsInCodeCompletion 1289 = Args.hasArg(OPT_code_completion_patterns); 1290 Opts.ShowGlobalSymbolsInCodeCompletion 1291 = !Args.hasArg(OPT_no_code_completion_globals); 1292 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1293 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1294 Opts.ShowVersion = Args.hasArg(OPT_version); 1295 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1296 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1297 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1298 1299 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1300 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1301 OPT_arcmt_modify, 1302 OPT_arcmt_migrate)) { 1303 switch (A->getOption().getID()) { 1304 default: 1305 llvm_unreachable("missed a case"); 1306 case OPT_arcmt_check: 1307 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1308 break; 1309 case OPT_arcmt_modify: 1310 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1311 break; 1312 case OPT_arcmt_migrate: 1313 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1314 break; 1315 } 1316 } 1317 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1318 Opts.ARCMTMigrateReportOut 1319 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1320 Opts.ARCMTMigrateEmitARCErrors 1321 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1322 1323 InputKind DashX = IK_None; 1324 if (const Arg *A = Args.getLastArg(OPT_x)) { 1325 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1326 .Case("c", IK_C) 1327 .Case("cl", IK_OpenCL) 1328 .Case("cuda", IK_CUDA) 1329 .Case("c++", IK_CXX) 1330 .Case("objective-c", IK_ObjC) 1331 .Case("objective-c++", IK_ObjCXX) 1332 .Case("cpp-output", IK_PreprocessedC) 1333 .Case("assembler-with-cpp", IK_Asm) 1334 .Case("c++-cpp-output", IK_PreprocessedCXX) 1335 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1336 .Case("objc-cpp-output", IK_PreprocessedObjC) 1337 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1338 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1339 .Case("c-header", IK_C) 1340 .Case("objective-c-header", IK_ObjC) 1341 .Case("c++-header", IK_CXX) 1342 .Case("objective-c++-header", IK_ObjCXX) 1343 .Case("ast", IK_AST) 1344 .Case("ir", IK_LLVM_IR) 1345 .Default(IK_None); 1346 if (DashX == IK_None) 1347 Diags.Report(diag::err_drv_invalid_value) 1348 << A->getAsString(Args) << A->getValue(Args); 1349 } 1350 1351 // '-' is the default input if none is given. 1352 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1353 Opts.Inputs.clear(); 1354 if (Inputs.empty()) 1355 Inputs.push_back("-"); 1356 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1357 InputKind IK = DashX; 1358 if (IK == IK_None) { 1359 IK = FrontendOptions::getInputKindForExtension( 1360 StringRef(Inputs[i]).rsplit('.').second); 1361 // FIXME: Remove this hack. 1362 if (i == 0) 1363 DashX = IK; 1364 } 1365 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1366 } 1367 1368 return DashX; 1369 } 1370 1371 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1372 void *MainAddr) { 1373 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1374 1375 if (!P.isEmpty()) { 1376 P.eraseComponent(); // Remove /clang from foo/bin/clang 1377 P.eraseComponent(); // Remove /bin from foo/bin 1378 1379 // Get foo/lib/clang/<version>/include 1380 P.appendComponent("lib"); 1381 P.appendComponent("clang"); 1382 P.appendComponent(CLANG_VERSION_STRING); 1383 } 1384 1385 return P.str(); 1386 } 1387 1388 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1389 using namespace cc1options; 1390 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1391 Opts.Verbose = Args.hasArg(OPT_v); 1392 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc) && 1393 !Args.hasArg(OPT_fms_compatibility); 1394 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1395 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1396 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1397 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1398 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1399 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1400 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1401 1402 // Add -I..., -F..., and -index-header-map options in order. 1403 bool IsIndexHeaderMap = false; 1404 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1405 OPT_index_header_map), 1406 ie = Args.filtered_end(); it != ie; ++it) { 1407 if ((*it)->getOption().matches(OPT_index_header_map)) { 1408 // -index-header-map applies to the next -I or -F. 1409 IsIndexHeaderMap = true; 1410 continue; 1411 } 1412 1413 frontend::IncludeDirGroup Group 1414 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1415 1416 Opts.AddPath((*it)->getValue(Args), Group, true, 1417 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1418 IsIndexHeaderMap = false; 1419 } 1420 1421 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1422 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1423 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1424 OPT_iwithprefixbefore), 1425 ie = Args.filtered_end(); it != ie; ++it) { 1426 const Arg *A = *it; 1427 if (A->getOption().matches(OPT_iprefix)) 1428 Prefix = A->getValue(Args); 1429 else if (A->getOption().matches(OPT_iwithprefix)) 1430 Opts.AddPath(Prefix.str() + A->getValue(Args), 1431 frontend::System, false, false, false); 1432 else 1433 Opts.AddPath(Prefix.str() + A->getValue(Args), 1434 frontend::Angled, false, false, false); 1435 } 1436 1437 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1438 ie = Args.filtered_end(); it != ie; ++it) 1439 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1440 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1441 ie = Args.filtered_end(); it != ie; ++it) 1442 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1443 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1444 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1445 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1446 !(*it)->getOption().matches(OPT_iwithsysroot)); 1447 1448 // Add the paths for the various language specific isystem flags. 1449 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1450 ie = Args.filtered_end(); it != ie; ++it) 1451 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1452 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1453 ie = Args.filtered_end(); it != ie; ++it) 1454 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1455 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1456 ie = Args.filtered_end(); it != ie; ++it) 1457 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1458 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1459 ie = Args.filtered_end(); it != ie; ++it) 1460 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1461 true); 1462 } 1463 1464 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1465 LangStandard::Kind LangStd) { 1466 // Set some properties which depend solely on the input kind; it would be nice 1467 // to move these to the language standard, and have the driver resolve the 1468 // input kind + language standard. 1469 if (IK == IK_Asm) { 1470 Opts.AsmPreprocessor = 1; 1471 } else if (IK == IK_ObjC || 1472 IK == IK_ObjCXX || 1473 IK == IK_PreprocessedObjC || 1474 IK == IK_PreprocessedObjCXX) { 1475 Opts.ObjC1 = Opts.ObjC2 = 1; 1476 } 1477 1478 if (LangStd == LangStandard::lang_unspecified) { 1479 // Based on the base language, pick one. 1480 switch (IK) { 1481 case IK_None: 1482 case IK_AST: 1483 case IK_LLVM_IR: 1484 llvm_unreachable("Invalid input kind!"); 1485 case IK_OpenCL: 1486 LangStd = LangStandard::lang_opencl; 1487 break; 1488 case IK_CUDA: 1489 LangStd = LangStandard::lang_cuda; 1490 break; 1491 case IK_Asm: 1492 case IK_C: 1493 case IK_PreprocessedC: 1494 case IK_ObjC: 1495 case IK_PreprocessedObjC: 1496 LangStd = LangStandard::lang_gnu99; 1497 break; 1498 case IK_CXX: 1499 case IK_PreprocessedCXX: 1500 case IK_ObjCXX: 1501 case IK_PreprocessedObjCXX: 1502 LangStd = LangStandard::lang_gnucxx98; 1503 break; 1504 } 1505 } 1506 1507 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1508 Opts.BCPLComment = Std.hasBCPLComments(); 1509 Opts.C99 = Std.isC99(); 1510 Opts.C1X = Std.isC1X(); 1511 Opts.CPlusPlus = Std.isCPlusPlus(); 1512 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1513 Opts.Digraphs = Std.hasDigraphs(); 1514 Opts.GNUMode = Std.isGNUMode(); 1515 Opts.GNUInline = !Std.isC99(); 1516 Opts.HexFloats = Std.hasHexFloats(); 1517 Opts.ImplicitInt = Std.hasImplicitInt(); 1518 1519 // OpenCL has some additional defaults. 1520 if (LangStd == LangStandard::lang_opencl) { 1521 Opts.OpenCL = 1; 1522 Opts.AltiVec = 0; 1523 Opts.CXXOperatorNames = 1; 1524 Opts.LaxVectorConversions = 0; 1525 Opts.DefaultFPContract = 1; 1526 } 1527 1528 if (LangStd == LangStandard::lang_cuda) 1529 Opts.CUDA = 1; 1530 1531 // OpenCL and C++ both have bool, true, false keywords. 1532 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1533 1534 Opts.GNUKeywords = Opts.GNUMode; 1535 Opts.CXXOperatorNames = Opts.CPlusPlus; 1536 1537 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1538 // is specified, or -std is set to a conforming mode. 1539 Opts.Trigraphs = !Opts.GNUMode; 1540 1541 Opts.DollarIdents = !Opts.AsmPreprocessor; 1542 } 1543 1544 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1545 DiagnosticsEngine &Diags) { 1546 // FIXME: Cleanup per-file based stuff. 1547 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1548 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1549 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1550 #define LANGSTANDARD(id, name, desc, features) \ 1551 .Case(name, LangStandard::lang_##id) 1552 #include "clang/Frontend/LangStandards.def" 1553 .Default(LangStandard::lang_unspecified); 1554 if (LangStd == LangStandard::lang_unspecified) 1555 Diags.Report(diag::err_drv_invalid_value) 1556 << A->getAsString(Args) << A->getValue(Args); 1557 else { 1558 // Valid standard, check to make sure language and standard are compatable. 1559 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1560 switch (IK) { 1561 case IK_C: 1562 case IK_ObjC: 1563 case IK_PreprocessedC: 1564 case IK_PreprocessedObjC: 1565 if (!(Std.isC89() || Std.isC99())) 1566 Diags.Report(diag::err_drv_argument_not_allowed_with) 1567 << A->getAsString(Args) << "C/ObjC"; 1568 break; 1569 case IK_CXX: 1570 case IK_ObjCXX: 1571 case IK_PreprocessedCXX: 1572 case IK_PreprocessedObjCXX: 1573 if (!Std.isCPlusPlus()) 1574 Diags.Report(diag::err_drv_argument_not_allowed_with) 1575 << A->getAsString(Args) << "C++/ObjC++"; 1576 break; 1577 case IK_OpenCL: 1578 if (!Std.isC99()) 1579 Diags.Report(diag::err_drv_argument_not_allowed_with) 1580 << A->getAsString(Args) << "OpenCL"; 1581 break; 1582 case IK_CUDA: 1583 if (!Std.isCPlusPlus()) 1584 Diags.Report(diag::err_drv_argument_not_allowed_with) 1585 << A->getAsString(Args) << "CUDA"; 1586 break; 1587 default: 1588 break; 1589 } 1590 } 1591 } 1592 1593 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1594 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1595 Diags.Report(diag::err_drv_invalid_value) 1596 << A->getAsString(Args) << A->getValue(Args); 1597 } 1598 } 1599 1600 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1601 1602 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1603 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1604 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1605 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1606 // name, as it doesn't seem a useful distinction. 1607 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1608 Opts.GNUKeywords); 1609 1610 if (Args.hasArg(OPT_fno_operator_names)) 1611 Opts.CXXOperatorNames = 0; 1612 1613 if (Opts.ObjC1) { 1614 if (Args.hasArg(OPT_fobjc_gc_only)) 1615 Opts.setGC(LangOptions::GCOnly); 1616 else if (Args.hasArg(OPT_fobjc_gc)) 1617 Opts.setGC(LangOptions::HybridGC); 1618 else if (Args.hasArg(OPT_fobjc_arc)) { 1619 Opts.ObjCAutoRefCount = 1; 1620 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1621 Diags.Report(diag::err_arc_nonfragile_abi); 1622 } 1623 1624 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1625 Opts.ObjCRuntimeHasWeak = 1; 1626 1627 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1628 Opts.ObjCInferRelatedResultType = 0; 1629 } 1630 1631 if (Args.hasArg(OPT_fgnu89_inline)) 1632 Opts.GNUInline = 1; 1633 1634 if (Args.hasArg(OPT_fapple_kext)) { 1635 if (!Opts.CPlusPlus) 1636 Diags.Report(diag::warn_c_kext); 1637 else 1638 Opts.AppleKext = 1; 1639 } 1640 1641 if (Args.hasArg(OPT_print_ivar_layout)) 1642 Opts.ObjCGCBitmapPrint = 1; 1643 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1644 Opts.NoConstantCFStrings = 1; 1645 1646 if (Args.hasArg(OPT_faltivec)) 1647 Opts.AltiVec = 1; 1648 1649 if (Args.hasArg(OPT_pthread)) 1650 Opts.POSIXThreads = 1; 1651 1652 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1653 Opts.DelayedTemplateParsing = 1; 1654 1655 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1656 if (Vis == "default") 1657 Opts.setVisibilityMode(DefaultVisibility); 1658 else if (Vis == "hidden") 1659 Opts.setVisibilityMode(HiddenVisibility); 1660 else if (Vis == "protected") 1661 Opts.setVisibilityMode(ProtectedVisibility); 1662 else 1663 Diags.Report(diag::err_drv_invalid_value) 1664 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1665 1666 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1667 Opts.InlineVisibilityHidden = 1; 1668 1669 if (Args.hasArg(OPT_ftrapv)) { 1670 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1671 // Set the handler, if one is specified. 1672 Opts.OverflowHandler = 1673 Args.getLastArgValue(OPT_ftrapv_handler); 1674 } 1675 else if (Args.hasArg(OPT_fwrapv)) 1676 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1677 1678 if (Args.hasArg(OPT_trigraphs)) 1679 Opts.Trigraphs = 1; 1680 1681 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1682 OPT_fno_dollars_in_identifiers, 1683 Opts.DollarIdents); 1684 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1685 Opts.MicrosoftExt = Args.hasArg(OPT_fms_extensions); 1686 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1687 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1688 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1689 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1690 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1691 Opts.ConstStrings); 1692 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1693 Opts.LaxVectorConversions = 0; 1694 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1695 Opts.ThreadsafeStatics = 0; 1696 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1697 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1698 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1699 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1700 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1701 1702 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1703 Opts.Blocks = Args.hasArg(OPT_fblocks); 1704 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1705 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1706 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1707 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1708 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1709 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1710 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1711 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1712 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1713 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1714 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1715 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1716 Diags); 1717 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1718 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1719 0, Diags); 1720 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1721 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1722 Opts.ObjCConstantStringClass = 1723 Args.getLastArgValue(OPT_fconstant_string_class); 1724 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1725 if (Opts.ObjCNonFragileABI) 1726 Opts.ObjCNonFragileABI2 = true; 1727 Opts.ObjCDefaultSynthProperties = 1728 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1729 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1730 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1731 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1732 Opts.Static = Args.hasArg(OPT_static_define); 1733 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1734 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1735 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1736 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1737 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1738 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1739 Opts.OptimizeSize = 0; 1740 Opts.MRTD = Args.hasArg(OPT_mrtd); 1741 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1742 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1743 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1744 1745 // Record whether the __DEPRECATED define was requested. 1746 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1747 OPT_fno_deprecated_macro, 1748 Opts.Deprecated); 1749 1750 // FIXME: Eliminate this dependency. 1751 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1752 Opts.Optimize = Opt != 0; 1753 1754 // This is the __NO_INLINE__ define, which just depends on things like the 1755 // optimization level and -fno-inline, not actually whether the backend has 1756 // inlining enabled. 1757 // 1758 // FIXME: This is affected by other options (-fno-inline). 1759 Opts.NoInline = !Opt; 1760 1761 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1762 switch (SSP) { 1763 default: 1764 Diags.Report(diag::err_drv_invalid_value) 1765 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1766 break; 1767 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1768 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1769 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1770 } 1771 } 1772 1773 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1774 FileManager &FileMgr, 1775 DiagnosticsEngine &Diags) { 1776 using namespace cc1options; 1777 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1778 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1779 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1780 Opts.TokenCache = A->getValue(Args); 1781 else 1782 Opts.TokenCache = Opts.ImplicitPTHInclude; 1783 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1784 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1785 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1786 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1787 1788 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1789 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1790 ie = Args.filtered_end(); it != ie; ++it) { 1791 const Arg *A = *it; 1792 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1793 } 1794 1795 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1796 StringRef Value(A->getValue(Args)); 1797 size_t Comma = Value.find(','); 1798 unsigned Bytes = 0; 1799 unsigned EndOfLine = 0; 1800 1801 if (Comma == StringRef::npos || 1802 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1803 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1804 Diags.Report(diag::err_drv_preamble_format); 1805 else { 1806 Opts.PrecompiledPreambleBytes.first = Bytes; 1807 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1808 } 1809 } 1810 1811 // Add macros from the command line. 1812 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1813 ie = Args.filtered_end(); it != ie; ++it) { 1814 if ((*it)->getOption().matches(OPT_D)) 1815 Opts.addMacroDef((*it)->getValue(Args)); 1816 else 1817 Opts.addMacroUndef((*it)->getValue(Args)); 1818 } 1819 1820 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1821 1822 // Add the ordered list of -includes. 1823 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1824 OPT_include_pth), 1825 ie = Args.filtered_end(); it != ie; ++it) { 1826 const Arg *A = *it; 1827 // PCH is handled specially, we need to extra the original include path. 1828 if (A->getOption().matches(OPT_include_pch)) { 1829 std::string OriginalFile = 1830 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1831 if (OriginalFile.empty()) 1832 continue; 1833 1834 Opts.Includes.push_back(OriginalFile); 1835 } else 1836 Opts.Includes.push_back(A->getValue(Args)); 1837 } 1838 1839 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1840 ie = Args.filtered_end(); it != ie; ++it) { 1841 const Arg *A = *it; 1842 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1843 } 1844 1845 // Include 'altivec.h' if -faltivec option present 1846 if (Args.hasArg(OPT_faltivec)) 1847 Opts.Includes.push_back("altivec.h"); 1848 1849 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1850 ie = Args.filtered_end(); it != ie; ++it) { 1851 const Arg *A = *it; 1852 std::pair<StringRef,StringRef> Split = 1853 StringRef(A->getValue(Args)).split(';'); 1854 1855 if (Split.second.empty()) { 1856 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1857 continue; 1858 } 1859 1860 Opts.addRemappedFile(Split.first, Split.second); 1861 } 1862 1863 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1864 StringRef Name = A->getValue(Args); 1865 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1866 .Case("libc++", ARCXX_libcxx) 1867 .Case("libstdc++", ARCXX_libstdcxx) 1868 .Case("none", ARCXX_nolib) 1869 .Default(~0U); 1870 if (Library == ~0U) 1871 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1872 else 1873 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1874 } 1875 } 1876 1877 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1878 ArgList &Args) { 1879 using namespace cc1options; 1880 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1881 Opts.ShowComments = Args.hasArg(OPT_C); 1882 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1883 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1884 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1885 } 1886 1887 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1888 using namespace cc1options; 1889 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1890 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1891 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1892 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1893 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1894 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1895 1896 // Use the host triple if unspecified. 1897 if (Opts.Triple.empty()) 1898 Opts.Triple = llvm::sys::getHostTriple(); 1899 } 1900 1901 // 1902 1903 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1904 const char *const *ArgBegin, 1905 const char *const *ArgEnd, 1906 DiagnosticsEngine &Diags) { 1907 // Parse the arguments. 1908 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1909 unsigned MissingArgIndex, MissingArgCount; 1910 llvm::OwningPtr<InputArgList> Args( 1911 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1912 1913 // Check for missing argument error. 1914 if (MissingArgCount) 1915 Diags.Report(diag::err_drv_missing_argument) 1916 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1917 1918 // Issue errors on unknown arguments. 1919 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1920 ie = Args->filtered_end(); it != ie; ++it) 1921 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1922 1923 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1924 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1925 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1926 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1927 // FIXME: We shouldn't have to pass the DashX option around here 1928 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1929 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1930 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1931 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1932 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1933 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1934 Res.getLangOpts().ObjCExceptions = 1; 1935 } 1936 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1937 // PCH file and find the original header name. Remove the need to do that in 1938 // ParsePreprocessorArgs and remove the FileManager 1939 // parameters from the function and the "FileManager.h" #include. 1940 FileManager FileMgr(Res.getFileSystemOpts()); 1941 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1942 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1943 ParseTargetArgs(Res.getTargetOpts(), *Args); 1944 } 1945 1946 namespace { 1947 1948 class ModuleSignature { 1949 llvm::SmallVector<uint64_t, 16> Data; 1950 unsigned CurBit; 1951 uint64_t CurValue; 1952 1953 public: 1954 ModuleSignature() : CurBit(0), CurValue(0) { } 1955 1956 void add(uint64_t Value, unsigned Bits); 1957 void add(StringRef Value); 1958 void flush(); 1959 1960 llvm::APInt getAsInteger() const; 1961 }; 1962 } 1963 1964 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 1965 CurValue |= Value << CurBit; 1966 if (CurBit + NumBits < 64) { 1967 CurBit += NumBits; 1968 return; 1969 } 1970 1971 // Add the current word. 1972 Data.push_back(CurValue); 1973 1974 if (CurBit) 1975 CurValue = Value >> (64-CurBit); 1976 else 1977 CurValue = 0; 1978 CurBit = (CurBit+NumBits) & 63; 1979 } 1980 1981 void ModuleSignature::flush() { 1982 if (CurBit == 0) 1983 return; 1984 1985 Data.push_back(CurValue); 1986 CurBit = 0; 1987 CurValue = 0; 1988 } 1989 1990 void ModuleSignature::add(StringRef Value) { 1991 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 1992 add(*I, 8); 1993 } 1994 1995 llvm::APInt ModuleSignature::getAsInteger() const { 1996 return llvm::APInt(Data.size() * 64, Data); 1997 } 1998 1999 std::string CompilerInvocation::getModuleHash() const { 2000 ModuleSignature Signature; 2001 2002 // Start the signature with the compiler version. 2003 Signature.add(getClangFullRepositoryVersion()); 2004 2005 // Extend the signature with the language options 2006 #define LANGOPT(Name, Bits, Default, Description) \ 2007 Signature.add(LangOpts.Name, Bits); 2008 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2009 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits); 2010 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2011 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2012 #include "clang/Basic/LangOptions.def" 2013 2014 // Extend the signature with the target triple 2015 llvm::Triple T(TargetOpts.Triple); 2016 Signature.add((unsigned)T.getArch(), 5); 2017 Signature.add((unsigned)T.getVendor(), 4); 2018 Signature.add((unsigned)T.getOS(), 5); 2019 Signature.add((unsigned)T.getEnvironment(), 4); 2020 2021 // Extend the signature with preprocessor options. 2022 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2023 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2024 2025 // We've generated the signature. Treat it as one large APInt that we'll 2026 // encode in base-36 and return. 2027 Signature.flush(); 2028 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2029 } 2030