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 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : LangOpts(new LangOptions(*X.getLangOpts())) {} 42 43 //===----------------------------------------------------------------------===// 44 // Utility functions. 45 //===----------------------------------------------------------------------===// 46 47 static const char *getAnalysisStoreName(AnalysisStores Kind) { 48 switch (Kind) { 49 default: 50 llvm_unreachable("Unknown analysis store!"); 51 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 52 case NAME##Model: return CMDFLAG; 53 #include "clang/Frontend/Analyses.def" 54 } 55 } 56 57 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 58 switch (Kind) { 59 default: 60 llvm_unreachable("Unknown analysis constraints!"); 61 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 62 case NAME##Model: return CMDFLAG; 63 #include "clang/Frontend/Analyses.def" 64 } 65 } 66 67 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 68 switch (Kind) { 69 default: 70 llvm_unreachable("Unknown analysis client!"); 71 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 72 case PD_##NAME: return CMDFLAG; 73 #include "clang/Frontend/Analyses.def" 74 } 75 } 76 77 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 78 switch (Kind) { 79 default: 80 llvm_unreachable("Unknown analysis client!"); 81 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 82 case NAME: return CMDFLAG; 83 #include "clang/Frontend/Analyses.def" 84 } 85 } 86 87 //===----------------------------------------------------------------------===// 88 // Serialization (to args) 89 //===----------------------------------------------------------------------===// 90 91 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 92 std::vector<std::string> &Res) { 93 if (Opts.ShowCheckerHelp) 94 Res.push_back("-analyzer-checker-help"); 95 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 96 Res.push_back("-analyzer-store"); 97 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 98 } 99 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 100 Res.push_back("-analyzer-constraints"); 101 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 102 } 103 if (Opts.AnalysisDiagOpt != PD_HTML) { 104 Res.push_back("-analyzer-output"); 105 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 106 } 107 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 108 Res.push_back("-analyzer-purge"); 109 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 110 } 111 if (!Opts.AnalyzeSpecificFunction.empty()) { 112 Res.push_back("-analyze-function"); 113 Res.push_back(Opts.AnalyzeSpecificFunction); 114 } 115 if (Opts.AnalyzeAll) 116 Res.push_back("-analyzer-opt-analyze-headers"); 117 if (Opts.AnalyzerDisplayProgress) 118 Res.push_back("-analyzer-display-progress"); 119 if (Opts.AnalyzeNestedBlocks) 120 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 121 if (Opts.EagerlyAssume) 122 Res.push_back("-analyzer-eagerly-assume"); 123 if (Opts.TrimGraph) 124 Res.push_back("-trim-egraph"); 125 if (Opts.VisualizeEGDot) 126 Res.push_back("-analyzer-viz-egraph-graphviz"); 127 if (Opts.VisualizeEGUbi) 128 Res.push_back("-analyzer-viz-egraph-ubigraph"); 129 130 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 131 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 132 if (opt.second) 133 Res.push_back("-analyzer-disable-checker"); 134 else 135 Res.push_back("-analyzer-checker"); 136 Res.push_back(opt.first); 137 } 138 } 139 140 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 141 std::vector<std::string> &Res) { 142 if (Opts.DebugInfo) 143 Res.push_back("-g"); 144 if (Opts.DisableLLVMOpts) 145 Res.push_back("-disable-llvm-optzns"); 146 if (Opts.DisableRedZone) 147 Res.push_back("-disable-red-zone"); 148 if (!Opts.DebugCompilationDir.empty()) { 149 Res.push_back("-fdebug-compilation-dir"); 150 Res.push_back(Opts.DebugCompilationDir); 151 } 152 if (!Opts.DwarfDebugFlags.empty()) { 153 Res.push_back("-dwarf-debug-flags"); 154 Res.push_back(Opts.DwarfDebugFlags); 155 } 156 if (Opts.AddressSanitizer) 157 Res.push_back("-faddress-sanitizer"); 158 if (Opts.ObjCRuntimeHasARC) 159 Res.push_back("-fobjc-runtime-has-arc"); 160 if (Opts.ObjCRuntimeHasTerminate) 161 Res.push_back("-fobjc-runtime-has-terminate"); 162 if (Opts.EmitGcovArcs) 163 Res.push_back("-femit-coverage-data"); 164 if (Opts.EmitGcovNotes) 165 Res.push_back("-femit-coverage-notes"); 166 if (!Opts.MergeAllConstants) 167 Res.push_back("-fno-merge-all-constants"); 168 if (Opts.NoCommon) 169 Res.push_back("-fno-common"); 170 if (Opts.ForbidGuardVariables) 171 Res.push_back("-fforbid-guard-variables"); 172 if (Opts.UseRegisterSizedBitfieldAccess) 173 Res.push_back("-fuse-register-sized-bitfield-access"); 174 if (Opts.NoImplicitFloat) 175 Res.push_back("-no-implicit-float"); 176 if (Opts.OmitLeafFramePointer) 177 Res.push_back("-momit-leaf-frame-pointer"); 178 if (Opts.OptimizeSize) { 179 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 180 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 181 } else if (Opts.OptimizationLevel != 0) 182 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 183 if (!Opts.MainFileName.empty()) { 184 Res.push_back("-main-file-name"); 185 Res.push_back(Opts.MainFileName); 186 } 187 // SimplifyLibCalls is only derived. 188 // TimePasses is only derived. 189 // UnitAtATime is unused. 190 // Inlining is only derived. 191 192 // UnrollLoops is derived, but also accepts an option, no 193 // harm in pushing it back here. 194 if (Opts.UnrollLoops) 195 Res.push_back("-funroll-loops"); 196 if (Opts.DataSections) 197 Res.push_back("-fdata-sections"); 198 if (Opts.FunctionSections) 199 Res.push_back("-ffunction-sections"); 200 if (Opts.AsmVerbose) 201 Res.push_back("-masm-verbose"); 202 if (!Opts.CodeModel.empty()) { 203 Res.push_back("-mcode-model"); 204 Res.push_back(Opts.CodeModel); 205 } 206 if (Opts.CUDAIsDevice) 207 Res.push_back("-fcuda-is-device"); 208 if (!Opts.CXAAtExit) 209 Res.push_back("-fno-use-cxa-atexit"); 210 if (Opts.CXXCtorDtorAliases) 211 Res.push_back("-mconstructor-aliases"); 212 if (Opts.ObjCAutoRefCountExceptions) 213 Res.push_back("-fobjc-arc-eh"); 214 if (!Opts.DebugPass.empty()) { 215 Res.push_back("-mdebug-pass"); 216 Res.push_back(Opts.DebugPass); 217 } 218 if (Opts.DisableFPElim) 219 Res.push_back("-mdisable-fp-elim"); 220 if (!Opts.FloatABI.empty()) { 221 Res.push_back("-mfloat-abi"); 222 Res.push_back(Opts.FloatABI); 223 } 224 if (!Opts.LimitFloatPrecision.empty()) { 225 Res.push_back("-mlimit-float-precision"); 226 Res.push_back(Opts.LimitFloatPrecision); 227 } 228 if (Opts.NoZeroInitializedInBSS) 229 Res.push_back("-mno-zero-initialized-bss"); 230 switch (Opts.getObjCDispatchMethod()) { 231 case CodeGenOptions::Legacy: 232 break; 233 case CodeGenOptions::Mixed: 234 Res.push_back("-fobjc-dispatch-method=mixed"); 235 break; 236 case CodeGenOptions::NonLegacy: 237 Res.push_back("-fobjc-dispatch-method=non-legacy"); 238 break; 239 } 240 if (Opts.NumRegisterParameters) { 241 Res.push_back("-mregparm"); 242 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 243 } 244 if (Opts.NoGlobalMerge) 245 Res.push_back("-mno-global-merge"); 246 if (Opts.NoExecStack) 247 Res.push_back("-mnoexecstack"); 248 if (Opts.RelaxAll) 249 Res.push_back("-mrelax-all"); 250 if (Opts.SaveTempLabels) 251 Res.push_back("-msave-temp-labels"); 252 if (Opts.NoDwarf2CFIAsm) 253 Res.push_back("-fno-dwarf2-cfi-asm"); 254 if (Opts.NoDwarfDirectoryAsm) 255 Res.push_back("-fno-dwarf-directory-asm"); 256 if (Opts.SoftFloat) 257 Res.push_back("-msoft-float"); 258 if (Opts.UnwindTables) 259 Res.push_back("-munwind-tables"); 260 if (Opts.RelocationModel != "pic") { 261 Res.push_back("-mrelocation-model"); 262 Res.push_back(Opts.RelocationModel); 263 } 264 if (!Opts.VerifyModule) 265 Res.push_back("-disable-llvm-verifier"); 266 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 267 Res.push_back("-backend-option"); 268 Res.push_back(Opts.BackendOptions[i]); 269 } 270 } 271 272 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 273 std::vector<std::string> &Res) { 274 if (Opts.IncludeSystemHeaders) 275 Res.push_back("-sys-header-deps"); 276 if (Opts.ShowHeaderIncludes) 277 Res.push_back("-H"); 278 if (!Opts.HeaderIncludeOutputFile.empty()) { 279 Res.push_back("-header-include-file"); 280 Res.push_back(Opts.HeaderIncludeOutputFile); 281 } 282 if (Opts.UsePhonyTargets) 283 Res.push_back("-MP"); 284 if (!Opts.OutputFile.empty()) { 285 Res.push_back("-dependency-file"); 286 Res.push_back(Opts.OutputFile); 287 } 288 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 289 Res.push_back("-MT"); 290 Res.push_back(Opts.Targets[i]); 291 } 292 } 293 294 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 295 std::vector<std::string> &Res) { 296 if (Opts.IgnoreWarnings) 297 Res.push_back("-w"); 298 if (Opts.NoRewriteMacros) 299 Res.push_back("-Wno-rewrite-macros"); 300 if (Opts.Pedantic) 301 Res.push_back("-pedantic"); 302 if (Opts.PedanticErrors) 303 Res.push_back("-pedantic-errors"); 304 if (!Opts.ShowColumn) 305 Res.push_back("-fno-show-column"); 306 if (!Opts.ShowLocation) 307 Res.push_back("-fno-show-source-location"); 308 if (!Opts.ShowCarets) 309 Res.push_back("-fno-caret-diagnostics"); 310 if (!Opts.ShowFixits) 311 Res.push_back("-fno-diagnostics-fixit-info"); 312 if (Opts.ShowSourceRanges) 313 Res.push_back("-fdiagnostics-print-source-range-info"); 314 if (Opts.ShowParseableFixits) 315 Res.push_back("-fdiagnostics-parseable-fixits"); 316 if (Opts.ShowColors) 317 Res.push_back("-fcolor-diagnostics"); 318 if (Opts.VerifyDiagnostics) 319 Res.push_back("-verify"); 320 if (Opts.ShowNames) 321 Res.push_back("-fdiagnostics-show-name"); 322 if (Opts.ShowOptionNames) 323 Res.push_back("-fdiagnostics-show-option"); 324 if (Opts.ShowCategories == 1) 325 Res.push_back("-fdiagnostics-show-category=id"); 326 else if (Opts.ShowCategories == 2) 327 Res.push_back("-fdiagnostics-show-category=name"); 328 switch (Opts.Format) { 329 case DiagnosticOptions::Clang: 330 Res.push_back("-fdiagnostics-format=clang"); break; 331 case DiagnosticOptions::Msvc: 332 Res.push_back("-fdiagnostics-format=msvc"); break; 333 case DiagnosticOptions::Vi: 334 Res.push_back("-fdiagnostics-format=vi"); break; 335 } 336 if (Opts.ErrorLimit) { 337 Res.push_back("-ferror-limit"); 338 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 339 } 340 if (!Opts.DiagnosticLogFile.empty()) { 341 Res.push_back("-diagnostic-log-file"); 342 Res.push_back(Opts.DiagnosticLogFile); 343 } 344 if (Opts.MacroBacktraceLimit 345 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 346 Res.push_back("-fmacro-backtrace-limit"); 347 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 348 } 349 if (Opts.TemplateBacktraceLimit 350 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 351 Res.push_back("-ftemplate-backtrace-limit"); 352 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 353 } 354 355 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 356 Res.push_back("-ftabstop"); 357 Res.push_back(llvm::utostr(Opts.TabStop)); 358 } 359 if (Opts.MessageLength) { 360 Res.push_back("-fmessage-length"); 361 Res.push_back(llvm::utostr(Opts.MessageLength)); 362 } 363 if (!Opts.DumpBuildInformation.empty()) { 364 Res.push_back("-dump-build-information"); 365 Res.push_back(Opts.DumpBuildInformation); 366 } 367 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 368 Res.push_back("-W" + Opts.Warnings[i]); 369 } 370 371 static const char *getInputKindName(InputKind Kind) { 372 switch (Kind) { 373 case IK_None: break; 374 case IK_AST: return "ast"; 375 case IK_Asm: return "assembler-with-cpp"; 376 case IK_C: return "c"; 377 case IK_CXX: return "c++"; 378 case IK_LLVM_IR: return "ir"; 379 case IK_ObjC: return "objective-c"; 380 case IK_ObjCXX: return "objective-c++"; 381 case IK_OpenCL: return "cl"; 382 case IK_CUDA: return "cuda"; 383 case IK_PreprocessedC: return "cpp-output"; 384 case IK_PreprocessedCXX: return "c++-cpp-output"; 385 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 386 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 387 } 388 389 llvm_unreachable("Unexpected language kind!"); 390 return 0; 391 } 392 393 static const char *getActionName(frontend::ActionKind Kind) { 394 switch (Kind) { 395 case frontend::PluginAction: 396 llvm_unreachable("Invalid kind!"); 397 398 case frontend::ASTDump: return "-ast-dump"; 399 case frontend::ASTDumpXML: return "-ast-dump-xml"; 400 case frontend::ASTPrint: return "-ast-print"; 401 case frontend::ASTView: return "-ast-view"; 402 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 403 case frontend::DumpTokens: return "-dump-tokens"; 404 case frontend::EmitAssembly: return "-S"; 405 case frontend::EmitBC: return "-emit-llvm-bc"; 406 case frontend::EmitHTML: return "-emit-html"; 407 case frontend::EmitLLVM: return "-emit-llvm"; 408 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 409 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 410 case frontend::EmitObj: return "-emit-obj"; 411 case frontend::FixIt: return "-fixit"; 412 case frontend::GenerateModule: return "-emit-module"; 413 case frontend::GenerateModuleFromMap: return "-emit-module-from-map"; 414 case frontend::GeneratePCH: return "-emit-pch"; 415 case frontend::GeneratePTH: return "-emit-pth"; 416 case frontend::InitOnly: return "-init-only"; 417 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 418 case frontend::PrintDeclContext: return "-print-decl-contexts"; 419 case frontend::PrintPreamble: return "-print-preamble"; 420 case frontend::PrintPreprocessedInput: return "-E"; 421 case frontend::RewriteMacros: return "-rewrite-macros"; 422 case frontend::RewriteObjC: return "-rewrite-objc"; 423 case frontend::RewriteTest: return "-rewrite-test"; 424 case frontend::RunAnalysis: return "-analyze"; 425 case frontend::RunPreprocessorOnly: return "-Eonly"; 426 } 427 428 llvm_unreachable("Unexpected language kind!"); 429 return 0; 430 } 431 432 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 433 std::vector<std::string> &Res) { 434 if (!Opts.WorkingDir.empty()) { 435 Res.push_back("-working-directory"); 436 Res.push_back(Opts.WorkingDir); 437 } 438 } 439 440 static void FrontendOptsToArgs(const FrontendOptions &Opts, 441 std::vector<std::string> &Res) { 442 if (Opts.DisableFree) 443 Res.push_back("-disable-free"); 444 if (Opts.RelocatablePCH) 445 Res.push_back("-relocatable-pch"); 446 if (Opts.ShowHelp) 447 Res.push_back("-help"); 448 if (Opts.ShowMacrosInCodeCompletion) 449 Res.push_back("-code-completion-macros"); 450 if (Opts.ShowCodePatternsInCodeCompletion) 451 Res.push_back("-code-completion-patterns"); 452 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 453 Res.push_back("-no-code-completion-globals"); 454 if (Opts.ShowStats) 455 Res.push_back("-print-stats"); 456 if (Opts.ShowTimers) 457 Res.push_back("-ftime-report"); 458 if (Opts.ShowVersion) 459 Res.push_back("-version"); 460 if (Opts.FixWhatYouCan) 461 Res.push_back("-fix-what-you-can"); 462 switch (Opts.ARCMTAction) { 463 case FrontendOptions::ARCMT_None: 464 break; 465 case FrontendOptions::ARCMT_Check: 466 Res.push_back("-arcmt-check"); 467 break; 468 case FrontendOptions::ARCMT_Modify: 469 Res.push_back("-arcmt-modify"); 470 break; 471 case FrontendOptions::ARCMT_Migrate: 472 Res.push_back("-arcmt-migrate"); 473 break; 474 } 475 if (!Opts.ARCMTMigrateDir.empty()) { 476 Res.push_back("-arcmt-migrate-directory"); 477 Res.push_back(Opts.ARCMTMigrateDir); 478 } 479 if (!Opts.ARCMTMigrateReportOut.empty()) { 480 Res.push_back("-arcmt-migrate-report-output"); 481 Res.push_back(Opts.ARCMTMigrateReportOut); 482 } 483 if (Opts.ARCMTMigrateEmitARCErrors) 484 Res.push_back("-arcmt-migrate-emit-errors"); 485 486 bool NeedLang = false; 487 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 488 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 489 Opts.Inputs[i].first) 490 NeedLang = true; 491 if (NeedLang) { 492 Res.push_back("-x"); 493 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 494 } 495 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 496 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 497 "Unable to represent this input vector!"); 498 Res.push_back(Opts.Inputs[i].second); 499 } 500 501 if (!Opts.OutputFile.empty()) { 502 Res.push_back("-o"); 503 Res.push_back(Opts.OutputFile); 504 } 505 if (!Opts.CodeCompletionAt.FileName.empty()) { 506 Res.push_back("-code-completion-at"); 507 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 508 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 509 llvm::utostr(Opts.CodeCompletionAt.Column)); 510 } 511 if (Opts.ProgramAction != frontend::PluginAction) 512 Res.push_back(getActionName(Opts.ProgramAction)); 513 if (!Opts.ActionName.empty()) { 514 Res.push_back("-plugin"); 515 Res.push_back(Opts.ActionName); 516 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 517 Res.push_back("-plugin-arg-" + Opts.ActionName); 518 Res.push_back(Opts.PluginArgs[i]); 519 } 520 } 521 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 522 Res.push_back("-load"); 523 Res.push_back(Opts.Plugins[i]); 524 } 525 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 526 Res.push_back("-add-plugin"); 527 Res.push_back(Opts.AddPluginActions[i]); 528 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 529 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 530 Res.push_back(Opts.AddPluginArgs[i][ai]); 531 } 532 } 533 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 534 Res.push_back("-ast-merge"); 535 Res.push_back(Opts.ASTMergeFiles[i]); 536 } 537 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 538 Res.push_back("-mllvm"); 539 Res.push_back(Opts.LLVMArgs[i]); 540 } 541 } 542 543 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 544 std::vector<std::string> &Res) { 545 if (Opts.Sysroot != "/") { 546 Res.push_back("-isysroot"); 547 Res.push_back(Opts.Sysroot); 548 } 549 550 /// User specified include entries. 551 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 552 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 553 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 554 llvm::report_fatal_error("Invalid option set!"); 555 if (E.IsUserSupplied) { 556 switch (E.Group) { 557 case frontend::After: 558 Res.push_back("-idirafter"); 559 break; 560 561 case frontend::Quoted: 562 Res.push_back("-iquote"); 563 break; 564 565 case frontend::System: 566 Res.push_back("-isystem"); 567 break; 568 569 case frontend::IndexHeaderMap: 570 Res.push_back("-index-header-map"); 571 Res.push_back(E.IsFramework? "-F" : "-I"); 572 break; 573 574 case frontend::CSystem: 575 Res.push_back("-c-isystem"); 576 break; 577 578 case frontend::CXXSystem: 579 Res.push_back("-cxx-isystem"); 580 break; 581 582 case frontend::ObjCSystem: 583 Res.push_back("-objc-isystem"); 584 break; 585 586 case frontend::ObjCXXSystem: 587 Res.push_back("-objcxx-isystem"); 588 break; 589 590 case frontend::Angled: 591 Res.push_back(E.IsFramework ? "-F" : "-I"); 592 break; 593 } 594 } else { 595 if (E.IsInternal) { 596 assert(E.Group == frontend::System && "Unexpected header search group"); 597 if (E.ImplicitExternC) 598 Res.push_back("-internal-externc-isystem"); 599 else 600 Res.push_back("-internal-isystem"); 601 } else { 602 if (E.Group != frontend::Angled && E.Group != frontend::System) 603 llvm::report_fatal_error("Invalid option set!"); 604 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 605 "-iwithprefix"); 606 } 607 } 608 Res.push_back(E.Path); 609 } 610 611 if (!Opts.ResourceDir.empty()) { 612 Res.push_back("-resource-dir"); 613 Res.push_back(Opts.ResourceDir); 614 } 615 if (!Opts.ModuleCachePath.empty()) { 616 Res.push_back("-fmodule-cache-path"); 617 Res.push_back(Opts.ModuleCachePath); 618 } 619 if (!Opts.UseStandardSystemIncludes) 620 Res.push_back("-nostdsysteminc"); 621 if (!Opts.UseStandardCXXIncludes) 622 Res.push_back("-nostdinc++"); 623 if (Opts.UseLibcxx) 624 Res.push_back("-stdlib=libc++"); 625 if (Opts.Verbose) 626 Res.push_back("-v"); 627 } 628 629 static void LangOptsToArgs(const LangOptions &Opts, 630 std::vector<std::string> &Res) { 631 LangOptions DefaultLangOpts; 632 633 // FIXME: Need to set -std to get all the implicit options. 634 635 // FIXME: We want to only pass options relative to the defaults, which 636 // requires constructing a target. :( 637 // 638 // It would be better to push the all target specific choices into the driver, 639 // so that everything below that was more uniform. 640 641 if (Opts.Trigraphs) 642 Res.push_back("-trigraphs"); 643 // Implicit based on the input kind: 644 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 645 // Implicit based on the input language standard: 646 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 647 if (Opts.DollarIdents) 648 Res.push_back("-fdollars-in-identifiers"); 649 if (Opts.GNUMode && !Opts.GNUKeywords) 650 Res.push_back("-fno-gnu-keywords"); 651 if (!Opts.GNUMode && Opts.GNUKeywords) 652 Res.push_back("-fgnu-keywords"); 653 if (Opts.MicrosoftExt) 654 Res.push_back("-fms-extensions"); 655 if (Opts.MicrosoftMode) 656 Res.push_back("-fms-compatibility"); 657 if (Opts.MSCVersion != 0) 658 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 659 if (Opts.Borland) 660 Res.push_back("-fborland-extensions"); 661 if (!Opts.ObjCNonFragileABI) 662 Res.push_back("-fobjc-fragile-abi"); 663 if (Opts.ObjCDefaultSynthProperties) 664 Res.push_back("-fobjc-default-synthesize-properties"); 665 // NoInline is implicit. 666 if (!Opts.CXXOperatorNames) 667 Res.push_back("-fno-operator-names"); 668 if (Opts.PascalStrings) 669 Res.push_back("-fpascal-strings"); 670 if (Opts.CatchUndefined) 671 Res.push_back("-fcatch-undefined-behavior"); 672 if (Opts.WritableStrings) 673 Res.push_back("-fwritable-strings"); 674 if (Opts.ConstStrings) 675 Res.push_back("-fconst-strings"); 676 if (!Opts.LaxVectorConversions) 677 Res.push_back("-fno-lax-vector-conversions"); 678 if (Opts.AltiVec) 679 Res.push_back("-faltivec"); 680 if (Opts.Exceptions) 681 Res.push_back("-fexceptions"); 682 if (Opts.ObjCExceptions) 683 Res.push_back("-fobjc-exceptions"); 684 if (Opts.CXXExceptions) 685 Res.push_back("-fcxx-exceptions"); 686 if (Opts.SjLjExceptions) 687 Res.push_back("-fsjlj-exceptions"); 688 if (Opts.TraditionalCPP) 689 Res.push_back("-traditional-cpp"); 690 if (!Opts.RTTI) 691 Res.push_back("-fno-rtti"); 692 if (Opts.MSBitfields) 693 Res.push_back("-mms-bitfields"); 694 if (!Opts.NeXTRuntime) 695 Res.push_back("-fgnu-runtime"); 696 if (Opts.Freestanding) 697 Res.push_back("-ffreestanding"); 698 if (Opts.NoBuiltin) 699 Res.push_back("-fno-builtin"); 700 if (!Opts.AssumeSaneOperatorNew) 701 Res.push_back("-fno-assume-sane-operator-new"); 702 if (!Opts.ThreadsafeStatics) 703 Res.push_back("-fno-threadsafe-statics"); 704 if (Opts.POSIXThreads) 705 Res.push_back("-pthread"); 706 if (Opts.Blocks) 707 Res.push_back("-fblocks"); 708 if (Opts.BlocksRuntimeOptional) 709 Res.push_back("-fblocks-runtime-optional"); 710 if (Opts.EmitAllDecls) 711 Res.push_back("-femit-all-decls"); 712 if (Opts.MathErrno) 713 Res.push_back("-fmath-errno"); 714 switch (Opts.getSignedOverflowBehavior()) { 715 case LangOptions::SOB_Undefined: break; 716 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 717 case LangOptions::SOB_Trapping: 718 Res.push_back("-ftrapv"); 719 if (!Opts.OverflowHandler.empty()) { 720 Res.push_back("-ftrapv-handler"); 721 Res.push_back(Opts.OverflowHandler); 722 } 723 break; 724 } 725 if (Opts.HeinousExtensions) 726 Res.push_back("-fheinous-gnu-extensions"); 727 // Optimize is implicit. 728 // OptimizeSize is implicit. 729 if (Opts.Static) 730 Res.push_back("-static-define"); 731 if (Opts.DumpRecordLayouts) 732 Res.push_back("-fdump-record-layouts"); 733 if (Opts.DumpVTableLayouts) 734 Res.push_back("-fdump-vtable-layouts"); 735 if (Opts.NoBitFieldTypeAlign) 736 Res.push_back("-fno-bitfield-type-alignment"); 737 if (Opts.PICLevel) { 738 Res.push_back("-pic-level"); 739 Res.push_back(llvm::utostr(Opts.PICLevel)); 740 } 741 if (Opts.ObjCGCBitmapPrint) 742 Res.push_back("-print-ivar-layout"); 743 if (Opts.NoConstantCFStrings) 744 Res.push_back("-fno-constant-cfstrings"); 745 if (!Opts.AccessControl) 746 Res.push_back("-fno-access-control"); 747 if (!Opts.CharIsSigned) 748 Res.push_back("-fno-signed-char"); 749 if (Opts.ShortWChar) 750 Res.push_back("-fshort-wchar"); 751 if (!Opts.ElideConstructors) 752 Res.push_back("-fno-elide-constructors"); 753 if (Opts.getGC() != LangOptions::NonGC) { 754 if (Opts.getGC() == LangOptions::HybridGC) { 755 Res.push_back("-fobjc-gc"); 756 } else { 757 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 758 Res.push_back("-fobjc-gc-only"); 759 } 760 } 761 if (Opts.ObjCAutoRefCount) 762 Res.push_back("-fobjc-arc"); 763 if (Opts.ObjCRuntimeHasWeak) 764 Res.push_back("-fobjc-runtime-has-weak"); 765 if (!Opts.ObjCInferRelatedResultType) 766 Res.push_back("-fno-objc-infer-related-result-type"); 767 768 if (Opts.AppleKext) 769 Res.push_back("-fapple-kext"); 770 771 if (Opts.getVisibilityMode() != DefaultVisibility) { 772 Res.push_back("-fvisibility"); 773 if (Opts.getVisibilityMode() == HiddenVisibility) { 774 Res.push_back("hidden"); 775 } else { 776 assert(Opts.getVisibilityMode() == ProtectedVisibility && 777 "Invalid visibility!"); 778 Res.push_back("protected"); 779 } 780 } 781 if (Opts.InlineVisibilityHidden) 782 Res.push_back("-fvisibility-inlines-hidden"); 783 784 if (Opts.getStackProtector() != 0) { 785 Res.push_back("-stack-protector"); 786 Res.push_back(llvm::utostr(Opts.getStackProtector())); 787 } 788 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 789 Res.push_back("-ftemplate-depth"); 790 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 791 } 792 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 793 Res.push_back("-fconstexpr-depth"); 794 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 795 } 796 if (!Opts.ObjCConstantStringClass.empty()) { 797 Res.push_back("-fconstant-string-class"); 798 Res.push_back(Opts.ObjCConstantStringClass); 799 } 800 if (Opts.FakeAddressSpaceMap) 801 Res.push_back("-ffake-address-space-map"); 802 if (Opts.ParseUnknownAnytype) 803 Res.push_back("-funknown-anytype"); 804 if (Opts.DebuggerSupport) 805 Res.push_back("-fdebugger-support"); 806 if (Opts.DelayedTemplateParsing) 807 Res.push_back("-fdelayed-template-parsing"); 808 if (Opts.Deprecated) 809 Res.push_back("-fdeprecated-macro"); 810 if (Opts.ApplePragmaPack) 811 Res.push_back("-fapple-pragma-pack"); 812 if (!Opts.CurrentModule.empty()) 813 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 814 } 815 816 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 817 std::vector<std::string> &Res) { 818 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 819 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 820 Opts.Macros[i].first); 821 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 822 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 823 Res.push_back("-include"); 824 Res.push_back(Opts.Includes[i]); 825 } 826 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 827 Res.push_back("-imacros"); 828 Res.push_back(Opts.MacroIncludes[i]); 829 } 830 if (!Opts.UsePredefines) 831 Res.push_back("-undef"); 832 if (Opts.DetailedRecord) 833 Res.push_back("-detailed-preprocessing-record"); 834 if (!Opts.ImplicitPCHInclude.empty()) { 835 Res.push_back("-include-pch"); 836 Res.push_back(Opts.ImplicitPCHInclude); 837 } 838 if (!Opts.ImplicitPTHInclude.empty()) { 839 Res.push_back("-include-pth"); 840 Res.push_back(Opts.ImplicitPTHInclude); 841 } 842 if (!Opts.TokenCache.empty()) { 843 if (Opts.ImplicitPTHInclude.empty()) { 844 Res.push_back("-token-cache"); 845 Res.push_back(Opts.TokenCache); 846 } else 847 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 848 "Unsupported option combination!"); 849 } 850 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 851 Res.push_back("-chain-include"); 852 Res.push_back(Opts.ChainedIncludes[i]); 853 } 854 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 855 Res.push_back("-remap-file"); 856 Res.push_back(Opts.RemappedFiles[i].first + ";" + 857 Opts.RemappedFiles[i].second); 858 } 859 } 860 861 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 862 std::vector<std::string> &Res) { 863 if (!Opts.ShowCPP && !Opts.ShowMacros) 864 llvm::report_fatal_error("Invalid option combination!"); 865 866 if (Opts.ShowCPP && Opts.ShowMacros) 867 Res.push_back("-dD"); 868 else if (!Opts.ShowCPP && Opts.ShowMacros) 869 Res.push_back("-dM"); 870 871 if (!Opts.ShowLineMarkers) 872 Res.push_back("-P"); 873 if (Opts.ShowComments) 874 Res.push_back("-C"); 875 if (Opts.ShowMacroComments) 876 Res.push_back("-CC"); 877 } 878 879 static void TargetOptsToArgs(const TargetOptions &Opts, 880 std::vector<std::string> &Res) { 881 Res.push_back("-triple"); 882 Res.push_back(Opts.Triple); 883 if (!Opts.CPU.empty()) { 884 Res.push_back("-target-cpu"); 885 Res.push_back(Opts.CPU); 886 } 887 if (!Opts.ABI.empty()) { 888 Res.push_back("-target-abi"); 889 Res.push_back(Opts.ABI); 890 } 891 if (!Opts.LinkerVersion.empty()) { 892 Res.push_back("-target-linker-version"); 893 Res.push_back(Opts.LinkerVersion); 894 } 895 if (!Opts.CXXABI.empty()) { 896 Res.push_back("-cxx-abi"); 897 Res.push_back(Opts.CXXABI); 898 } 899 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 900 Res.push_back("-target-feature"); 901 Res.push_back(Opts.Features[i]); 902 } 903 } 904 905 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 906 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 907 CodeGenOptsToArgs(getCodeGenOpts(), Res); 908 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 909 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 910 FileSystemOptsToArgs(getFileSystemOpts(), Res); 911 FrontendOptsToArgs(getFrontendOpts(), Res); 912 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 913 LangOptsToArgs(*getLangOpts(), Res); 914 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 915 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 916 TargetOptsToArgs(getTargetOpts(), Res); 917 } 918 919 //===----------------------------------------------------------------------===// 920 // Deserialization (to args) 921 //===----------------------------------------------------------------------===// 922 923 using namespace clang::driver; 924 using namespace clang::driver::cc1options; 925 926 // 927 928 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 929 DiagnosticsEngine &Diags) { 930 unsigned DefaultOpt = 0; 931 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 932 DefaultOpt = 2; 933 // -Os/-Oz implies -O2 934 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 935 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 936 } 937 938 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 939 DiagnosticsEngine &Diags) { 940 using namespace cc1options; 941 942 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 943 StringRef Name = A->getValue(Args); 944 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 945 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 946 .Case(CMDFLAG, NAME##Model) 947 #include "clang/Frontend/Analyses.def" 948 .Default(NumStores); 949 // FIXME: Error handling. 950 if (Value == NumStores) 951 Diags.Report(diag::err_drv_invalid_value) 952 << A->getAsString(Args) << Name; 953 else 954 Opts.AnalysisStoreOpt = Value; 955 } 956 957 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 958 StringRef Name = A->getValue(Args); 959 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 960 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 961 .Case(CMDFLAG, NAME##Model) 962 #include "clang/Frontend/Analyses.def" 963 .Default(NumConstraints); 964 // FIXME: Error handling. 965 if (Value == NumConstraints) 966 Diags.Report(diag::err_drv_invalid_value) 967 << A->getAsString(Args) << Name; 968 else 969 Opts.AnalysisConstraintsOpt = Value; 970 } 971 972 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 973 StringRef Name = A->getValue(Args); 974 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 975 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 976 .Case(CMDFLAG, PD_##NAME) 977 #include "clang/Frontend/Analyses.def" 978 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 979 // FIXME: Error handling. 980 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 981 Diags.Report(diag::err_drv_invalid_value) 982 << A->getAsString(Args) << Name; 983 else 984 Opts.AnalysisDiagOpt = Value; 985 } 986 987 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 988 StringRef Name = A->getValue(Args); 989 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 990 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 991 .Case(CMDFLAG, NAME) 992 #include "clang/Frontend/Analyses.def" 993 .Default(NumPurgeModes); 994 // FIXME: Error handling. 995 if (Value == NumPurgeModes) 996 Diags.Report(diag::err_drv_invalid_value) 997 << A->getAsString(Args) << Name; 998 else 999 Opts.AnalysisPurgeOpt = Value; 1000 } 1001 1002 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1003 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1004 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1005 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1006 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1007 Opts.AnalyzeNestedBlocks = 1008 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1009 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1010 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1011 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1012 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1013 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1014 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1015 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1016 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1017 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1018 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1019 1020 Opts.CheckersControlList.clear(); 1021 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1022 OPT_analyzer_disable_checker), 1023 ie = Args.filtered_end(); it != ie; ++it) { 1024 const Arg *A = *it; 1025 A->claim(); 1026 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1027 // We can have a list of comma separated checker names, e.g: 1028 // '-analyzer-checker=cocoa,unix' 1029 StringRef checkerList = A->getValue(Args); 1030 SmallVector<StringRef, 4> checkers; 1031 checkerList.split(checkers, ","); 1032 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1033 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1034 } 1035 } 1036 1037 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1038 DiagnosticsEngine &Diags) { 1039 using namespace cc1options; 1040 1041 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1042 if (Opts.OptimizationLevel > 3) { 1043 Diags.Report(diag::err_drv_invalid_value) 1044 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1045 Opts.OptimizationLevel = 3; 1046 } 1047 1048 // We must always run at least the always inlining pass. 1049 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1050 : CodeGenOptions::OnlyAlwaysInlining; 1051 1052 Opts.DebugInfo = Args.hasArg(OPT_g); 1053 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1054 || Args.hasArg(OPT_flimit_debug_info); 1055 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1056 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1057 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1058 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1059 OPT_fuse_register_sized_bitfield_access); 1060 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1061 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1062 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1063 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1064 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1065 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1066 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1067 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1068 Args.hasArg(OPT_ffreestanding)); 1069 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1070 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1071 1072 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1073 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1074 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1075 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1076 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1077 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1078 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1079 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1080 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1081 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1082 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1083 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1084 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1085 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1086 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1087 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1088 Args.hasArg(OPT_cl_fast_relaxed_math); 1089 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1090 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1091 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1092 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1093 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1094 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1095 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1096 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1097 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1098 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1099 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1100 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1101 Args.hasArg(OPT_cl_fast_relaxed_math); 1102 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1103 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1104 1105 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1106 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1107 1108 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1109 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1110 1111 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1112 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1113 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1114 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1115 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1116 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1117 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1118 1119 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1120 StringRef Name = A->getValue(Args); 1121 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1122 .Case("legacy", CodeGenOptions::Legacy) 1123 .Case("non-legacy", CodeGenOptions::NonLegacy) 1124 .Case("mixed", CodeGenOptions::Mixed) 1125 .Default(~0U); 1126 if (Method == ~0U) 1127 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1128 else 1129 Opts.ObjCDispatchMethod = Method; 1130 } 1131 } 1132 1133 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1134 ArgList &Args) { 1135 using namespace cc1options; 1136 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1137 Opts.Targets = Args.getAllArgValues(OPT_MT); 1138 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1139 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1140 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1141 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1142 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1143 } 1144 1145 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1146 DiagnosticsEngine &Diags) { 1147 using namespace cc1options; 1148 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1149 Opts.DiagnosticSerializationFile = 1150 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1151 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1152 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1153 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1154 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1155 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1156 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1157 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1158 OPT_fno_show_column, 1159 /*Default=*/true); 1160 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1161 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1162 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1163 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1164 1165 // Default behavior is to not to show note include stacks. 1166 Opts.ShowNoteIncludeStack = false; 1167 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1168 OPT_fno_diagnostics_show_note_include_stack)) 1169 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1170 Opts.ShowNoteIncludeStack = true; 1171 1172 StringRef ShowOverloads = 1173 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1174 if (ShowOverloads == "best") 1175 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1176 else if (ShowOverloads == "all") 1177 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1178 else 1179 Diags.Report(diag::err_drv_invalid_value) 1180 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1181 << ShowOverloads; 1182 1183 StringRef ShowCategory = 1184 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1185 if (ShowCategory == "none") 1186 Opts.ShowCategories = 0; 1187 else if (ShowCategory == "id") 1188 Opts.ShowCategories = 1; 1189 else if (ShowCategory == "name") 1190 Opts.ShowCategories = 2; 1191 else 1192 Diags.Report(diag::err_drv_invalid_value) 1193 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1194 << ShowCategory; 1195 1196 StringRef Format = 1197 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1198 if (Format == "clang") 1199 Opts.Format = DiagnosticOptions::Clang; 1200 else if (Format == "msvc") 1201 Opts.Format = DiagnosticOptions::Msvc; 1202 else if (Format == "vi") 1203 Opts.Format = DiagnosticOptions::Vi; 1204 else 1205 Diags.Report(diag::err_drv_invalid_value) 1206 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1207 << Format; 1208 1209 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1210 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1211 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1212 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1213 Opts.MacroBacktraceLimit 1214 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1215 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1216 Opts.TemplateBacktraceLimit 1217 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1218 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1219 Diags); 1220 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1221 DiagnosticOptions::DefaultTabStop, Diags); 1222 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1223 Diags.Report(diag::warn_ignoring_ftabstop_value) 1224 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1225 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1226 } 1227 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1228 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1229 Opts.Warnings = Args.getAllArgValues(OPT_W); 1230 } 1231 1232 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1233 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1234 } 1235 1236 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1237 DiagnosticsEngine &Diags) { 1238 using namespace cc1options; 1239 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1240 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1241 switch (A->getOption().getID()) { 1242 default: 1243 llvm_unreachable("Invalid option in group!"); 1244 case OPT_ast_dump: 1245 Opts.ProgramAction = frontend::ASTDump; break; 1246 case OPT_ast_dump_xml: 1247 Opts.ProgramAction = frontend::ASTDumpXML; break; 1248 case OPT_ast_print: 1249 Opts.ProgramAction = frontend::ASTPrint; break; 1250 case OPT_ast_view: 1251 Opts.ProgramAction = frontend::ASTView; break; 1252 case OPT_dump_raw_tokens: 1253 Opts.ProgramAction = frontend::DumpRawTokens; break; 1254 case OPT_dump_tokens: 1255 Opts.ProgramAction = frontend::DumpTokens; break; 1256 case OPT_S: 1257 Opts.ProgramAction = frontend::EmitAssembly; break; 1258 case OPT_emit_llvm_bc: 1259 Opts.ProgramAction = frontend::EmitBC; break; 1260 case OPT_emit_html: 1261 Opts.ProgramAction = frontend::EmitHTML; break; 1262 case OPT_emit_llvm: 1263 Opts.ProgramAction = frontend::EmitLLVM; break; 1264 case OPT_emit_llvm_only: 1265 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1266 case OPT_emit_codegen_only: 1267 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1268 case OPT_emit_obj: 1269 Opts.ProgramAction = frontend::EmitObj; break; 1270 case OPT_fixit_EQ: 1271 Opts.FixItSuffix = A->getValue(Args); 1272 // fall-through! 1273 case OPT_fixit: 1274 Opts.ProgramAction = frontend::FixIt; break; 1275 case OPT_emit_module: 1276 Opts.ProgramAction = frontend::GenerateModule; break; 1277 case OPT_emit_module_from_map: 1278 Opts.ProgramAction = frontend::GenerateModuleFromMap; break; 1279 case OPT_emit_pch: 1280 Opts.ProgramAction = frontend::GeneratePCH; break; 1281 case OPT_emit_pth: 1282 Opts.ProgramAction = frontend::GeneratePTH; break; 1283 case OPT_init_only: 1284 Opts.ProgramAction = frontend::InitOnly; break; 1285 case OPT_fsyntax_only: 1286 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1287 case OPT_print_decl_contexts: 1288 Opts.ProgramAction = frontend::PrintDeclContext; break; 1289 case OPT_print_preamble: 1290 Opts.ProgramAction = frontend::PrintPreamble; break; 1291 case OPT_E: 1292 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1293 case OPT_rewrite_macros: 1294 Opts.ProgramAction = frontend::RewriteMacros; break; 1295 case OPT_rewrite_objc: 1296 Opts.ProgramAction = frontend::RewriteObjC; break; 1297 case OPT_rewrite_test: 1298 Opts.ProgramAction = frontend::RewriteTest; break; 1299 case OPT_analyze: 1300 Opts.ProgramAction = frontend::RunAnalysis; break; 1301 case OPT_Eonly: 1302 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1303 } 1304 } 1305 1306 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1307 Opts.Plugins.push_back(A->getValue(Args,0)); 1308 Opts.ProgramAction = frontend::PluginAction; 1309 Opts.ActionName = A->getValue(Args); 1310 1311 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1312 end = Args.filtered_end(); it != end; ++it) { 1313 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1314 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1315 } 1316 } 1317 1318 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1319 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1320 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1321 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1322 end = Args.filtered_end(); it != end; ++it) { 1323 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1324 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1325 } 1326 } 1327 1328 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1329 Opts.CodeCompletionAt = 1330 ParsedSourceLocation::FromString(A->getValue(Args)); 1331 if (Opts.CodeCompletionAt.FileName.empty()) 1332 Diags.Report(diag::err_drv_invalid_value) 1333 << A->getAsString(Args) << A->getValue(Args); 1334 } 1335 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1336 1337 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1338 Opts.Plugins = Args.getAllArgValues(OPT_load); 1339 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1340 Opts.ShowHelp = Args.hasArg(OPT_help); 1341 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1342 Opts.ShowCodePatternsInCodeCompletion 1343 = Args.hasArg(OPT_code_completion_patterns); 1344 Opts.ShowGlobalSymbolsInCodeCompletion 1345 = !Args.hasArg(OPT_no_code_completion_globals); 1346 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1347 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1348 Opts.ShowVersion = Args.hasArg(OPT_version); 1349 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1350 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1351 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1352 1353 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1354 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1355 OPT_arcmt_modify, 1356 OPT_arcmt_migrate)) { 1357 switch (A->getOption().getID()) { 1358 default: 1359 llvm_unreachable("missed a case"); 1360 case OPT_arcmt_check: 1361 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1362 break; 1363 case OPT_arcmt_modify: 1364 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1365 break; 1366 case OPT_arcmt_migrate: 1367 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1368 break; 1369 } 1370 } 1371 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1372 Opts.ARCMTMigrateReportOut 1373 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1374 Opts.ARCMTMigrateEmitARCErrors 1375 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1376 1377 InputKind DashX = IK_None; 1378 if (const Arg *A = Args.getLastArg(OPT_x)) { 1379 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1380 .Case("c", IK_C) 1381 .Case("cl", IK_OpenCL) 1382 .Case("cuda", IK_CUDA) 1383 .Case("c++", IK_CXX) 1384 .Case("objective-c", IK_ObjC) 1385 .Case("objective-c++", IK_ObjCXX) 1386 .Case("cpp-output", IK_PreprocessedC) 1387 .Case("assembler-with-cpp", IK_Asm) 1388 .Case("c++-cpp-output", IK_PreprocessedCXX) 1389 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1390 .Case("objc-cpp-output", IK_PreprocessedObjC) 1391 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1392 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1393 .Case("c-header", IK_C) 1394 .Case("cl-header", IK_OpenCL) 1395 .Case("objective-c-header", IK_ObjC) 1396 .Case("c++-header", IK_CXX) 1397 .Case("objective-c++-header", IK_ObjCXX) 1398 .Case("ast", IK_AST) 1399 .Case("ir", IK_LLVM_IR) 1400 .Default(IK_None); 1401 if (DashX == IK_None) 1402 Diags.Report(diag::err_drv_invalid_value) 1403 << A->getAsString(Args) << A->getValue(Args); 1404 } 1405 1406 // '-' is the default input if none is given. 1407 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1408 Opts.Inputs.clear(); 1409 if (Inputs.empty()) 1410 Inputs.push_back("-"); 1411 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1412 InputKind IK = DashX; 1413 if (IK == IK_None) { 1414 IK = FrontendOptions::getInputKindForExtension( 1415 StringRef(Inputs[i]).rsplit('.').second); 1416 // FIXME: Remove this hack. 1417 if (i == 0) 1418 DashX = IK; 1419 } 1420 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1421 } 1422 1423 return DashX; 1424 } 1425 1426 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1427 void *MainAddr) { 1428 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1429 1430 if (!P.isEmpty()) { 1431 P.eraseComponent(); // Remove /clang from foo/bin/clang 1432 P.eraseComponent(); // Remove /bin from foo/bin 1433 1434 // Get foo/lib/clang/<version>/include 1435 P.appendComponent("lib"); 1436 P.appendComponent("clang"); 1437 P.appendComponent(CLANG_VERSION_STRING); 1438 } 1439 1440 return P.str(); 1441 } 1442 1443 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1444 using namespace cc1options; 1445 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1446 Opts.Verbose = Args.hasArg(OPT_v); 1447 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1448 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1449 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1450 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1451 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1452 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1453 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1454 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1455 1456 // Add -I..., -F..., and -index-header-map options in order. 1457 bool IsIndexHeaderMap = false; 1458 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1459 OPT_index_header_map), 1460 ie = Args.filtered_end(); it != ie; ++it) { 1461 if ((*it)->getOption().matches(OPT_index_header_map)) { 1462 // -index-header-map applies to the next -I or -F. 1463 IsIndexHeaderMap = true; 1464 continue; 1465 } 1466 1467 frontend::IncludeDirGroup Group 1468 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1469 1470 Opts.AddPath((*it)->getValue(Args), Group, true, 1471 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1472 IsIndexHeaderMap = false; 1473 } 1474 1475 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1476 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1477 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1478 OPT_iwithprefixbefore), 1479 ie = Args.filtered_end(); it != ie; ++it) { 1480 const Arg *A = *it; 1481 if (A->getOption().matches(OPT_iprefix)) 1482 Prefix = A->getValue(Args); 1483 else if (A->getOption().matches(OPT_iwithprefix)) 1484 Opts.AddPath(Prefix.str() + A->getValue(Args), 1485 frontend::System, false, false, false); 1486 else 1487 Opts.AddPath(Prefix.str() + A->getValue(Args), 1488 frontend::Angled, false, false, false); 1489 } 1490 1491 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1492 ie = Args.filtered_end(); it != ie; ++it) 1493 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1494 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1495 ie = Args.filtered_end(); it != ie; ++it) 1496 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1497 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1498 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1499 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1500 !(*it)->getOption().matches(OPT_iwithsysroot)); 1501 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1502 ie = Args.filtered_end(); it != ie; ++it) 1503 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1504 true); 1505 1506 // Add the paths for the various language specific isystem flags. 1507 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1508 ie = Args.filtered_end(); it != ie; ++it) 1509 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1510 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1511 ie = Args.filtered_end(); it != ie; ++it) 1512 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1513 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1514 ie = Args.filtered_end(); it != ie; ++it) 1515 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1516 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1517 ie = Args.filtered_end(); it != ie; ++it) 1518 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1519 true); 1520 1521 // Add the internal paths from a driver that detects standard include paths. 1522 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1523 OPT_internal_externc_isystem), 1524 E = Args.filtered_end(); 1525 I != E; ++I) 1526 Opts.AddPath((*I)->getValue(Args), frontend::System, 1527 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1528 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1529 } 1530 1531 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1532 LangStandard::Kind LangStd) { 1533 // Set some properties which depend solely on the input kind; it would be nice 1534 // to move these to the language standard, and have the driver resolve the 1535 // input kind + language standard. 1536 if (IK == IK_Asm) { 1537 Opts.AsmPreprocessor = 1; 1538 } else if (IK == IK_ObjC || 1539 IK == IK_ObjCXX || 1540 IK == IK_PreprocessedObjC || 1541 IK == IK_PreprocessedObjCXX) { 1542 Opts.ObjC1 = Opts.ObjC2 = 1; 1543 } 1544 1545 if (LangStd == LangStandard::lang_unspecified) { 1546 // Based on the base language, pick one. 1547 switch (IK) { 1548 case IK_None: 1549 case IK_AST: 1550 case IK_LLVM_IR: 1551 llvm_unreachable("Invalid input kind!"); 1552 case IK_OpenCL: 1553 LangStd = LangStandard::lang_opencl; 1554 break; 1555 case IK_CUDA: 1556 LangStd = LangStandard::lang_cuda; 1557 break; 1558 case IK_Asm: 1559 case IK_C: 1560 case IK_PreprocessedC: 1561 case IK_ObjC: 1562 case IK_PreprocessedObjC: 1563 LangStd = LangStandard::lang_gnu99; 1564 break; 1565 case IK_CXX: 1566 case IK_PreprocessedCXX: 1567 case IK_ObjCXX: 1568 case IK_PreprocessedObjCXX: 1569 LangStd = LangStandard::lang_gnucxx98; 1570 break; 1571 } 1572 } 1573 1574 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1575 Opts.BCPLComment = Std.hasBCPLComments(); 1576 Opts.C99 = Std.isC99(); 1577 Opts.C1X = Std.isC1X(); 1578 Opts.CPlusPlus = Std.isCPlusPlus(); 1579 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1580 Opts.Digraphs = Std.hasDigraphs(); 1581 Opts.GNUMode = Std.isGNUMode(); 1582 Opts.GNUInline = !Std.isC99(); 1583 Opts.HexFloats = Std.hasHexFloats(); 1584 Opts.ImplicitInt = Std.hasImplicitInt(); 1585 1586 // OpenCL has some additional defaults. 1587 if (LangStd == LangStandard::lang_opencl) { 1588 Opts.OpenCL = 1; 1589 Opts.AltiVec = 0; 1590 Opts.CXXOperatorNames = 1; 1591 Opts.LaxVectorConversions = 0; 1592 Opts.DefaultFPContract = 1; 1593 } 1594 1595 if (LangStd == LangStandard::lang_cuda) 1596 Opts.CUDA = 1; 1597 1598 // OpenCL and C++ both have bool, true, false keywords. 1599 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1600 1601 Opts.GNUKeywords = Opts.GNUMode; 1602 Opts.CXXOperatorNames = Opts.CPlusPlus; 1603 1604 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1605 // is specified, or -std is set to a conforming mode. 1606 Opts.Trigraphs = !Opts.GNUMode; 1607 1608 Opts.DollarIdents = !Opts.AsmPreprocessor; 1609 } 1610 1611 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1612 DiagnosticsEngine &Diags) { 1613 // FIXME: Cleanup per-file based stuff. 1614 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1615 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1616 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1617 #define LANGSTANDARD(id, name, desc, features) \ 1618 .Case(name, LangStandard::lang_##id) 1619 #include "clang/Frontend/LangStandards.def" 1620 .Default(LangStandard::lang_unspecified); 1621 if (LangStd == LangStandard::lang_unspecified) 1622 Diags.Report(diag::err_drv_invalid_value) 1623 << A->getAsString(Args) << A->getValue(Args); 1624 else { 1625 // Valid standard, check to make sure language and standard are compatable. 1626 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1627 switch (IK) { 1628 case IK_C: 1629 case IK_ObjC: 1630 case IK_PreprocessedC: 1631 case IK_PreprocessedObjC: 1632 if (!(Std.isC89() || Std.isC99())) 1633 Diags.Report(diag::err_drv_argument_not_allowed_with) 1634 << A->getAsString(Args) << "C/ObjC"; 1635 break; 1636 case IK_CXX: 1637 case IK_ObjCXX: 1638 case IK_PreprocessedCXX: 1639 case IK_PreprocessedObjCXX: 1640 if (!Std.isCPlusPlus()) 1641 Diags.Report(diag::err_drv_argument_not_allowed_with) 1642 << A->getAsString(Args) << "C++/ObjC++"; 1643 break; 1644 case IK_OpenCL: 1645 if (!Std.isC99()) 1646 Diags.Report(diag::err_drv_argument_not_allowed_with) 1647 << A->getAsString(Args) << "OpenCL"; 1648 break; 1649 case IK_CUDA: 1650 if (!Std.isCPlusPlus()) 1651 Diags.Report(diag::err_drv_argument_not_allowed_with) 1652 << A->getAsString(Args) << "CUDA"; 1653 break; 1654 default: 1655 break; 1656 } 1657 } 1658 } 1659 1660 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1661 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1662 Diags.Report(diag::err_drv_invalid_value) 1663 << A->getAsString(Args) << A->getValue(Args); 1664 } 1665 } 1666 1667 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1668 1669 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1670 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1671 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1672 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1673 // name, as it doesn't seem a useful distinction. 1674 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1675 Opts.GNUKeywords); 1676 1677 if (Args.hasArg(OPT_fno_operator_names)) 1678 Opts.CXXOperatorNames = 0; 1679 1680 if (Opts.ObjC1) { 1681 if (Args.hasArg(OPT_fobjc_gc_only)) 1682 Opts.setGC(LangOptions::GCOnly); 1683 else if (Args.hasArg(OPT_fobjc_gc)) 1684 Opts.setGC(LangOptions::HybridGC); 1685 else if (Args.hasArg(OPT_fobjc_arc)) { 1686 Opts.ObjCAutoRefCount = 1; 1687 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1688 Diags.Report(diag::err_arc_nonfragile_abi); 1689 } 1690 1691 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1692 Opts.ObjCRuntimeHasWeak = 1; 1693 1694 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1695 Opts.ObjCInferRelatedResultType = 0; 1696 } 1697 1698 if (Args.hasArg(OPT_fgnu89_inline)) 1699 Opts.GNUInline = 1; 1700 1701 if (Args.hasArg(OPT_fapple_kext)) { 1702 if (!Opts.CPlusPlus) 1703 Diags.Report(diag::warn_c_kext); 1704 else 1705 Opts.AppleKext = 1; 1706 } 1707 1708 if (Args.hasArg(OPT_print_ivar_layout)) 1709 Opts.ObjCGCBitmapPrint = 1; 1710 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1711 Opts.NoConstantCFStrings = 1; 1712 1713 if (Args.hasArg(OPT_faltivec)) 1714 Opts.AltiVec = 1; 1715 1716 if (Args.hasArg(OPT_pthread)) 1717 Opts.POSIXThreads = 1; 1718 1719 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1720 Opts.DelayedTemplateParsing = 1; 1721 1722 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1723 if (Vis == "default") 1724 Opts.setVisibilityMode(DefaultVisibility); 1725 else if (Vis == "hidden") 1726 Opts.setVisibilityMode(HiddenVisibility); 1727 else if (Vis == "protected") 1728 Opts.setVisibilityMode(ProtectedVisibility); 1729 else 1730 Diags.Report(diag::err_drv_invalid_value) 1731 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1732 1733 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1734 Opts.InlineVisibilityHidden = 1; 1735 1736 if (Args.hasArg(OPT_ftrapv)) { 1737 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1738 // Set the handler, if one is specified. 1739 Opts.OverflowHandler = 1740 Args.getLastArgValue(OPT_ftrapv_handler); 1741 } 1742 else if (Args.hasArg(OPT_fwrapv)) 1743 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1744 1745 if (Args.hasArg(OPT_trigraphs)) 1746 Opts.Trigraphs = 1; 1747 1748 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1749 OPT_fno_dollars_in_identifiers, 1750 Opts.DollarIdents); 1751 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1752 Opts.MicrosoftExt 1753 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1754 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1755 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1756 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1757 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1758 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1759 Opts.ConstStrings); 1760 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1761 Opts.LaxVectorConversions = 0; 1762 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1763 Opts.ThreadsafeStatics = 0; 1764 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1765 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1766 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1767 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1768 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1769 1770 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1771 Opts.Blocks = Args.hasArg(OPT_fblocks); 1772 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1773 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1774 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1775 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1776 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1777 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1778 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1779 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1780 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1781 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1782 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1783 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1784 Diags); 1785 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1786 Diags); 1787 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1788 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1789 0, Diags); 1790 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1791 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1792 Opts.ObjCConstantStringClass = 1793 Args.getLastArgValue(OPT_fconstant_string_class); 1794 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1795 if (Opts.ObjCNonFragileABI) 1796 Opts.ObjCNonFragileABI2 = true; 1797 Opts.ObjCDefaultSynthProperties = 1798 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1799 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1800 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1801 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1802 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1803 Opts.Static = Args.hasArg(OPT_static_define); 1804 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1805 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1806 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1807 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1808 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1809 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1810 Opts.OptimizeSize = 0; 1811 Opts.MRTD = Args.hasArg(OPT_mrtd); 1812 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1813 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1814 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1815 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1816 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1817 1818 // Record whether the __DEPRECATED define was requested. 1819 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1820 OPT_fno_deprecated_macro, 1821 Opts.Deprecated); 1822 1823 // FIXME: Eliminate this dependency. 1824 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1825 Opts.Optimize = Opt != 0; 1826 1827 // This is the __NO_INLINE__ define, which just depends on things like the 1828 // optimization level and -fno-inline, not actually whether the backend has 1829 // inlining enabled. 1830 // 1831 // FIXME: This is affected by other options (-fno-inline). 1832 Opts.NoInline = !Opt; 1833 1834 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1835 switch (SSP) { 1836 default: 1837 Diags.Report(diag::err_drv_invalid_value) 1838 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1839 break; 1840 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1841 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1842 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1843 } 1844 } 1845 1846 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1847 FileManager &FileMgr, 1848 DiagnosticsEngine &Diags) { 1849 using namespace cc1options; 1850 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1851 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1852 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1853 Opts.TokenCache = A->getValue(Args); 1854 else 1855 Opts.TokenCache = Opts.ImplicitPTHInclude; 1856 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1857 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1858 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1859 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1860 1861 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1862 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1863 ie = Args.filtered_end(); it != ie; ++it) { 1864 const Arg *A = *it; 1865 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1866 } 1867 1868 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1869 StringRef Value(A->getValue(Args)); 1870 size_t Comma = Value.find(','); 1871 unsigned Bytes = 0; 1872 unsigned EndOfLine = 0; 1873 1874 if (Comma == StringRef::npos || 1875 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1876 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1877 Diags.Report(diag::err_drv_preamble_format); 1878 else { 1879 Opts.PrecompiledPreambleBytes.first = Bytes; 1880 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1881 } 1882 } 1883 1884 // Add macros from the command line. 1885 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1886 ie = Args.filtered_end(); it != ie; ++it) { 1887 if ((*it)->getOption().matches(OPT_D)) 1888 Opts.addMacroDef((*it)->getValue(Args)); 1889 else 1890 Opts.addMacroUndef((*it)->getValue(Args)); 1891 } 1892 1893 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1894 1895 // Add the ordered list of -includes. 1896 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1897 OPT_include_pth), 1898 ie = Args.filtered_end(); it != ie; ++it) { 1899 const Arg *A = *it; 1900 // PCH is handled specially, we need to extra the original include path. 1901 if (A->getOption().matches(OPT_include_pch)) { 1902 std::string OriginalFile = 1903 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1904 if (OriginalFile.empty()) 1905 continue; 1906 1907 Opts.Includes.push_back(OriginalFile); 1908 } else 1909 Opts.Includes.push_back(A->getValue(Args)); 1910 } 1911 1912 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1913 ie = Args.filtered_end(); it != ie; ++it) { 1914 const Arg *A = *it; 1915 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1916 } 1917 1918 // Include 'altivec.h' if -faltivec option present 1919 if (Args.hasArg(OPT_faltivec)) 1920 Opts.Includes.push_back("altivec.h"); 1921 1922 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1923 ie = Args.filtered_end(); it != ie; ++it) { 1924 const Arg *A = *it; 1925 std::pair<StringRef,StringRef> Split = 1926 StringRef(A->getValue(Args)).split(';'); 1927 1928 if (Split.second.empty()) { 1929 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1930 continue; 1931 } 1932 1933 Opts.addRemappedFile(Split.first, Split.second); 1934 } 1935 1936 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1937 StringRef Name = A->getValue(Args); 1938 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1939 .Case("libc++", ARCXX_libcxx) 1940 .Case("libstdc++", ARCXX_libstdcxx) 1941 .Case("none", ARCXX_nolib) 1942 .Default(~0U); 1943 if (Library == ~0U) 1944 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1945 else 1946 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1947 } 1948 } 1949 1950 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1951 ArgList &Args) { 1952 using namespace cc1options; 1953 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1954 Opts.ShowComments = Args.hasArg(OPT_C); 1955 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1956 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1957 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1958 } 1959 1960 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1961 using namespace cc1options; 1962 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1963 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1964 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1965 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1966 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1967 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1968 1969 // Use the default target triple if unspecified. 1970 if (Opts.Triple.empty()) 1971 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1972 } 1973 1974 // 1975 1976 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1977 const char *const *ArgBegin, 1978 const char *const *ArgEnd, 1979 DiagnosticsEngine &Diags) { 1980 // Parse the arguments. 1981 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1982 unsigned MissingArgIndex, MissingArgCount; 1983 llvm::OwningPtr<InputArgList> Args( 1984 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1985 1986 // Check for missing argument error. 1987 if (MissingArgCount) 1988 Diags.Report(diag::err_drv_missing_argument) 1989 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1990 1991 // Issue errors on unknown arguments. 1992 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1993 ie = Args->filtered_end(); it != ie; ++it) 1994 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1995 1996 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1997 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1998 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1999 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2000 // FIXME: We shouldn't have to pass the DashX option around here 2001 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2002 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 2003 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2004 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2005 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2006 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2007 Res.getLangOpts()->ObjCExceptions = 1; 2008 } 2009 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2010 // PCH file and find the original header name. Remove the need to do that in 2011 // ParsePreprocessorArgs and remove the FileManager 2012 // parameters from the function and the "FileManager.h" #include. 2013 FileManager FileMgr(Res.getFileSystemOpts()); 2014 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2015 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2016 ParseTargetArgs(Res.getTargetOpts(), *Args); 2017 } 2018 2019 namespace { 2020 2021 class ModuleSignature { 2022 llvm::SmallVector<uint64_t, 16> Data; 2023 unsigned CurBit; 2024 uint64_t CurValue; 2025 2026 public: 2027 ModuleSignature() : CurBit(0), CurValue(0) { } 2028 2029 void add(uint64_t Value, unsigned Bits); 2030 void add(StringRef Value); 2031 void flush(); 2032 2033 llvm::APInt getAsInteger() const; 2034 }; 2035 } 2036 2037 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2038 CurValue |= Value << CurBit; 2039 if (CurBit + NumBits < 64) { 2040 CurBit += NumBits; 2041 return; 2042 } 2043 2044 // Add the current word. 2045 Data.push_back(CurValue); 2046 2047 if (CurBit) 2048 CurValue = Value >> (64-CurBit); 2049 else 2050 CurValue = 0; 2051 CurBit = (CurBit+NumBits) & 63; 2052 } 2053 2054 void ModuleSignature::flush() { 2055 if (CurBit == 0) 2056 return; 2057 2058 Data.push_back(CurValue); 2059 CurBit = 0; 2060 CurValue = 0; 2061 } 2062 2063 void ModuleSignature::add(StringRef Value) { 2064 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2065 add(*I, 8); 2066 } 2067 2068 llvm::APInt ModuleSignature::getAsInteger() const { 2069 return llvm::APInt(Data.size() * 64, Data); 2070 } 2071 2072 std::string CompilerInvocation::getModuleHash() const { 2073 ModuleSignature Signature; 2074 2075 // Start the signature with the compiler version. 2076 Signature.add(getClangFullRepositoryVersion()); 2077 2078 // Extend the signature with the language options 2079 #define LANGOPT(Name, Bits, Default, Description) \ 2080 Signature.add(LangOpts->Name, Bits); 2081 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2082 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2083 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2084 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2085 #include "clang/Basic/LangOptions.def" 2086 2087 // Extend the signature with the target triple 2088 llvm::Triple T(TargetOpts.Triple); 2089 Signature.add((unsigned)T.getArch(), 5); 2090 Signature.add((unsigned)T.getVendor(), 4); 2091 Signature.add((unsigned)T.getOS(), 5); 2092 Signature.add((unsigned)T.getEnvironment(), 4); 2093 2094 // Extend the signature with preprocessor options. 2095 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2096 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2097 2098 // Hash the preprocessor defines. 2099 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2100 std::vector<StringRef> MacroDefs; 2101 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2102 I = getPreprocessorOpts().Macros.begin(), 2103 IEnd = getPreprocessorOpts().Macros.end(); 2104 I != IEnd; ++I) { 2105 if (!I->second) 2106 MacroDefs.push_back(I->first); 2107 } 2108 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2109 2110 unsigned PPHashResult = 0; 2111 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2112 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2113 Signature.add(PPHashResult, 32); 2114 2115 // We've generated the signature. Treat it as one large APInt that we'll 2116 // encode in base-36 and return. 2117 Signature.flush(); 2118 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2119 } 2120