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 : llvm::RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44 //===----------------------------------------------------------------------===// 45 // Utility functions. 46 //===----------------------------------------------------------------------===// 47 48 static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54 #include "clang/Frontend/Analyses.def" 55 } 56 } 57 58 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64 #include "clang/Frontend/Analyses.def" 65 } 66 } 67 68 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74 #include "clang/Frontend/Analyses.def" 75 } 76 } 77 78 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis client!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 //===----------------------------------------------------------------------===// 89 // Serialization (to args) 90 //===----------------------------------------------------------------------===// 91 92 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 93 std::vector<std::string> &Res) { 94 if (Opts.ShowCheckerHelp) 95 Res.push_back("-analyzer-checker-help"); 96 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 97 Res.push_back("-analyzer-store"); 98 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 99 } 100 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 101 Res.push_back("-analyzer-constraints"); 102 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 103 } 104 if (Opts.AnalysisDiagOpt != PD_HTML) { 105 Res.push_back("-analyzer-output"); 106 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 107 } 108 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 109 Res.push_back("-analyzer-purge"); 110 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 111 } 112 if (!Opts.AnalyzeSpecificFunction.empty()) { 113 Res.push_back("-analyze-function"); 114 Res.push_back(Opts.AnalyzeSpecificFunction); 115 } 116 if (Opts.AnalyzeAll) 117 Res.push_back("-analyzer-opt-analyze-headers"); 118 if (Opts.AnalyzerDisplayProgress) 119 Res.push_back("-analyzer-display-progress"); 120 if (Opts.AnalyzeNestedBlocks) 121 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 122 if (Opts.EagerlyAssume) 123 Res.push_back("-analyzer-eagerly-assume"); 124 if (Opts.TrimGraph) 125 Res.push_back("-trim-egraph"); 126 if (Opts.VisualizeEGDot) 127 Res.push_back("-analyzer-viz-egraph-graphviz"); 128 if (Opts.VisualizeEGUbi) 129 Res.push_back("-analyzer-viz-egraph-ubigraph"); 130 131 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 132 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 133 if (opt.second) 134 Res.push_back("-analyzer-disable-checker"); 135 else 136 Res.push_back("-analyzer-checker"); 137 Res.push_back(opt.first); 138 } 139 } 140 141 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 142 std::vector<std::string> &Res) { 143 if (Opts.DebugInfo) 144 Res.push_back("-g"); 145 if (Opts.DisableLLVMOpts) 146 Res.push_back("-disable-llvm-optzns"); 147 if (Opts.DisableRedZone) 148 Res.push_back("-disable-red-zone"); 149 if (!Opts.DebugCompilationDir.empty()) { 150 Res.push_back("-fdebug-compilation-dir"); 151 Res.push_back(Opts.DebugCompilationDir); 152 } 153 if (!Opts.DwarfDebugFlags.empty()) { 154 Res.push_back("-dwarf-debug-flags"); 155 Res.push_back(Opts.DwarfDebugFlags); 156 } 157 if (Opts.ObjCRuntimeHasARC) 158 Res.push_back("-fobjc-runtime-has-arc"); 159 if (Opts.ObjCRuntimeHasTerminate) 160 Res.push_back("-fobjc-runtime-has-terminate"); 161 if (Opts.EmitGcovArcs) 162 Res.push_back("-femit-coverage-data"); 163 if (Opts.EmitGcovNotes) 164 Res.push_back("-femit-coverage-notes"); 165 if (!Opts.MergeAllConstants) 166 Res.push_back("-fno-merge-all-constants"); 167 if (Opts.NoCommon) 168 Res.push_back("-fno-common"); 169 if (Opts.ForbidGuardVariables) 170 Res.push_back("-fforbid-guard-variables"); 171 if (Opts.UseRegisterSizedBitfieldAccess) 172 Res.push_back("-fuse-register-sized-bitfield-access"); 173 if (Opts.NoImplicitFloat) 174 Res.push_back("-no-implicit-float"); 175 if (Opts.OmitLeafFramePointer) 176 Res.push_back("-momit-leaf-frame-pointer"); 177 if (Opts.OptimizeSize) { 178 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 179 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 180 } else if (Opts.OptimizationLevel != 0) 181 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 182 if (!Opts.MainFileName.empty()) { 183 Res.push_back("-main-file-name"); 184 Res.push_back(Opts.MainFileName); 185 } 186 if (Opts.NoInfsFPMath) 187 Res.push_back("-menable-no-infinities"); 188 if (Opts.NoNaNsFPMath) 189 Res.push_back("-menable-no-nans"); 190 // SimplifyLibCalls is only derived. 191 // TimePasses is only derived. 192 // UnitAtATime is unused. 193 // Inlining is only derived. 194 195 // UnrollLoops is derived, but also accepts an option, no 196 // harm in pushing it back here. 197 if (Opts.UnrollLoops) 198 Res.push_back("-funroll-loops"); 199 if (Opts.DataSections) 200 Res.push_back("-fdata-sections"); 201 if (Opts.FunctionSections) 202 Res.push_back("-ffunction-sections"); 203 if (Opts.AsmVerbose) 204 Res.push_back("-masm-verbose"); 205 if (!Opts.CodeModel.empty()) { 206 Res.push_back("-mcode-model"); 207 Res.push_back(Opts.CodeModel); 208 } 209 if (Opts.CUDAIsDevice) 210 Res.push_back("-fcuda-is-device"); 211 if (!Opts.CXAAtExit) 212 Res.push_back("-fno-use-cxa-atexit"); 213 if (Opts.CXXCtorDtorAliases) 214 Res.push_back("-mconstructor-aliases"); 215 if (Opts.ObjCAutoRefCountExceptions) 216 Res.push_back("-fobjc-arc-eh"); 217 if (!Opts.DebugPass.empty()) { 218 Res.push_back("-mdebug-pass"); 219 Res.push_back(Opts.DebugPass); 220 } 221 if (Opts.DisableFPElim) 222 Res.push_back("-mdisable-fp-elim"); 223 if (!Opts.FloatABI.empty()) { 224 Res.push_back("-mfloat-abi"); 225 Res.push_back(Opts.FloatABI); 226 } 227 if (!Opts.LimitFloatPrecision.empty()) { 228 Res.push_back("-mlimit-float-precision"); 229 Res.push_back(Opts.LimitFloatPrecision); 230 } 231 if (Opts.NoZeroInitializedInBSS) 232 Res.push_back("-mno-zero-initialized-bss"); 233 switch (Opts.getObjCDispatchMethod()) { 234 case CodeGenOptions::Legacy: 235 break; 236 case CodeGenOptions::Mixed: 237 Res.push_back("-fobjc-dispatch-method=mixed"); 238 break; 239 case CodeGenOptions::NonLegacy: 240 Res.push_back("-fobjc-dispatch-method=non-legacy"); 241 break; 242 } 243 if (Opts.NumRegisterParameters) { 244 Res.push_back("-mregparm"); 245 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 246 } 247 if (Opts.NoGlobalMerge) 248 Res.push_back("-mno-global-merge"); 249 if (Opts.NoExecStack) 250 Res.push_back("-mnoexecstack"); 251 if (Opts.RelaxAll) 252 Res.push_back("-mrelax-all"); 253 if (Opts.SaveTempLabels) 254 Res.push_back("-msave-temp-labels"); 255 if (Opts.NoDwarf2CFIAsm) 256 Res.push_back("-fno-dwarf2-cfi-asm"); 257 if (Opts.NoDwarfDirectoryAsm) 258 Res.push_back("-fno-dwarf-directory-asm"); 259 if (Opts.SoftFloat) 260 Res.push_back("-msoft-float"); 261 if (Opts.UnwindTables) 262 Res.push_back("-munwind-tables"); 263 if (Opts.RelocationModel != "pic") { 264 Res.push_back("-mrelocation-model"); 265 Res.push_back(Opts.RelocationModel); 266 } 267 if (!Opts.VerifyModule) 268 Res.push_back("-disable-llvm-verifier"); 269 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 270 Res.push_back("-backend-option"); 271 Res.push_back(Opts.BackendOptions[i]); 272 } 273 } 274 275 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 276 std::vector<std::string> &Res) { 277 if (Opts.IncludeSystemHeaders) 278 Res.push_back("-sys-header-deps"); 279 if (Opts.ShowHeaderIncludes) 280 Res.push_back("-H"); 281 if (!Opts.HeaderIncludeOutputFile.empty()) { 282 Res.push_back("-header-include-file"); 283 Res.push_back(Opts.HeaderIncludeOutputFile); 284 } 285 if (Opts.UsePhonyTargets) 286 Res.push_back("-MP"); 287 if (!Opts.OutputFile.empty()) { 288 Res.push_back("-dependency-file"); 289 Res.push_back(Opts.OutputFile); 290 } 291 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 292 Res.push_back("-MT"); 293 Res.push_back(Opts.Targets[i]); 294 } 295 } 296 297 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 298 std::vector<std::string> &Res) { 299 if (Opts.IgnoreWarnings) 300 Res.push_back("-w"); 301 if (Opts.NoRewriteMacros) 302 Res.push_back("-Wno-rewrite-macros"); 303 if (Opts.Pedantic) 304 Res.push_back("-pedantic"); 305 if (Opts.PedanticErrors) 306 Res.push_back("-pedantic-errors"); 307 if (!Opts.ShowColumn) 308 Res.push_back("-fno-show-column"); 309 if (!Opts.ShowLocation) 310 Res.push_back("-fno-show-source-location"); 311 if (!Opts.ShowCarets) 312 Res.push_back("-fno-caret-diagnostics"); 313 if (!Opts.ShowFixits) 314 Res.push_back("-fno-diagnostics-fixit-info"); 315 if (Opts.ShowSourceRanges) 316 Res.push_back("-fdiagnostics-print-source-range-info"); 317 if (Opts.ShowParseableFixits) 318 Res.push_back("-fdiagnostics-parseable-fixits"); 319 if (Opts.ShowColors) 320 Res.push_back("-fcolor-diagnostics"); 321 if (Opts.VerifyDiagnostics) 322 Res.push_back("-verify"); 323 if (Opts.ShowNames) 324 Res.push_back("-fdiagnostics-show-name"); 325 if (Opts.ShowOptionNames) 326 Res.push_back("-fdiagnostics-show-option"); 327 if (Opts.ShowCategories == 1) 328 Res.push_back("-fdiagnostics-show-category=id"); 329 else if (Opts.ShowCategories == 2) 330 Res.push_back("-fdiagnostics-show-category=name"); 331 switch (Opts.Format) { 332 case DiagnosticOptions::Clang: 333 Res.push_back("-fdiagnostics-format=clang"); break; 334 case DiagnosticOptions::Msvc: 335 Res.push_back("-fdiagnostics-format=msvc"); break; 336 case DiagnosticOptions::Vi: 337 Res.push_back("-fdiagnostics-format=vi"); break; 338 } 339 if (Opts.ErrorLimit) { 340 Res.push_back("-ferror-limit"); 341 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 342 } 343 if (!Opts.DiagnosticLogFile.empty()) { 344 Res.push_back("-diagnostic-log-file"); 345 Res.push_back(Opts.DiagnosticLogFile); 346 } 347 if (Opts.MacroBacktraceLimit 348 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 349 Res.push_back("-fmacro-backtrace-limit"); 350 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 351 } 352 if (Opts.TemplateBacktraceLimit 353 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 354 Res.push_back("-ftemplate-backtrace-limit"); 355 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 356 } 357 358 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 359 Res.push_back("-ftabstop"); 360 Res.push_back(llvm::utostr(Opts.TabStop)); 361 } 362 if (Opts.MessageLength) { 363 Res.push_back("-fmessage-length"); 364 Res.push_back(llvm::utostr(Opts.MessageLength)); 365 } 366 if (!Opts.DumpBuildInformation.empty()) { 367 Res.push_back("-dump-build-information"); 368 Res.push_back(Opts.DumpBuildInformation); 369 } 370 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 371 Res.push_back("-W" + Opts.Warnings[i]); 372 } 373 374 static const char *getInputKindName(InputKind Kind) { 375 switch (Kind) { 376 case IK_None: break; 377 case IK_AST: return "ast"; 378 case IK_Asm: return "assembler-with-cpp"; 379 case IK_C: return "c"; 380 case IK_CXX: return "c++"; 381 case IK_LLVM_IR: return "ir"; 382 case IK_ObjC: return "objective-c"; 383 case IK_ObjCXX: return "objective-c++"; 384 case IK_OpenCL: return "cl"; 385 case IK_CUDA: return "cuda"; 386 case IK_PreprocessedC: return "cpp-output"; 387 case IK_PreprocessedCXX: return "c++-cpp-output"; 388 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 389 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 390 } 391 392 llvm_unreachable("Unexpected language kind!"); 393 return 0; 394 } 395 396 static const char *getActionName(frontend::ActionKind Kind) { 397 switch (Kind) { 398 case frontend::PluginAction: 399 llvm_unreachable("Invalid kind!"); 400 401 case frontend::ASTDump: return "-ast-dump"; 402 case frontend::ASTDumpXML: return "-ast-dump-xml"; 403 case frontend::ASTPrint: return "-ast-print"; 404 case frontend::ASTView: return "-ast-view"; 405 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 406 case frontend::DumpTokens: return "-dump-tokens"; 407 case frontend::EmitAssembly: return "-S"; 408 case frontend::EmitBC: return "-emit-llvm-bc"; 409 case frontend::EmitHTML: return "-emit-html"; 410 case frontend::EmitLLVM: return "-emit-llvm"; 411 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 412 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 413 case frontend::EmitObj: return "-emit-obj"; 414 case frontend::FixIt: return "-fixit"; 415 case frontend::GenerateModule: return "-emit-module"; 416 case frontend::GeneratePCH: return "-emit-pch"; 417 case frontend::GeneratePTH: return "-emit-pth"; 418 case frontend::InitOnly: return "-init-only"; 419 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 420 case frontend::PrintDeclContext: return "-print-decl-contexts"; 421 case frontend::PrintPreamble: return "-print-preamble"; 422 case frontend::PrintPreprocessedInput: return "-E"; 423 case frontend::RewriteMacros: return "-rewrite-macros"; 424 case frontend::RewriteObjC: return "-rewrite-objc"; 425 case frontend::RewriteTest: return "-rewrite-test"; 426 case frontend::RunAnalysis: return "-analyze"; 427 case frontend::RunPreprocessorOnly: return "-Eonly"; 428 } 429 430 llvm_unreachable("Unexpected language kind!"); 431 return 0; 432 } 433 434 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 435 std::vector<std::string> &Res) { 436 if (!Opts.WorkingDir.empty()) { 437 Res.push_back("-working-directory"); 438 Res.push_back(Opts.WorkingDir); 439 } 440 } 441 442 static void FrontendOptsToArgs(const FrontendOptions &Opts, 443 std::vector<std::string> &Res) { 444 if (Opts.DisableFree) 445 Res.push_back("-disable-free"); 446 if (Opts.RelocatablePCH) 447 Res.push_back("-relocatable-pch"); 448 if (Opts.ShowHelp) 449 Res.push_back("-help"); 450 if (Opts.ShowMacrosInCodeCompletion) 451 Res.push_back("-code-completion-macros"); 452 if (Opts.ShowCodePatternsInCodeCompletion) 453 Res.push_back("-code-completion-patterns"); 454 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 455 Res.push_back("-no-code-completion-globals"); 456 if (Opts.ShowStats) 457 Res.push_back("-print-stats"); 458 if (Opts.ShowTimers) 459 Res.push_back("-ftime-report"); 460 if (Opts.ShowVersion) 461 Res.push_back("-version"); 462 if (Opts.FixWhatYouCan) 463 Res.push_back("-fix-what-you-can"); 464 switch (Opts.ARCMTAction) { 465 case FrontendOptions::ARCMT_None: 466 break; 467 case FrontendOptions::ARCMT_Check: 468 Res.push_back("-arcmt-check"); 469 break; 470 case FrontendOptions::ARCMT_Modify: 471 Res.push_back("-arcmt-modify"); 472 break; 473 case FrontendOptions::ARCMT_Migrate: 474 Res.push_back("-arcmt-migrate"); 475 break; 476 } 477 if (!Opts.ARCMTMigrateDir.empty()) { 478 Res.push_back("-arcmt-migrate-directory"); 479 Res.push_back(Opts.ARCMTMigrateDir); 480 } 481 if (!Opts.ARCMTMigrateReportOut.empty()) { 482 Res.push_back("-arcmt-migrate-report-output"); 483 Res.push_back(Opts.ARCMTMigrateReportOut); 484 } 485 if (Opts.ARCMTMigrateEmitARCErrors) 486 Res.push_back("-arcmt-migrate-emit-errors"); 487 488 bool NeedLang = false; 489 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 490 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 491 Opts.Inputs[i].first) 492 NeedLang = true; 493 if (NeedLang) { 494 Res.push_back("-x"); 495 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 496 } 497 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 498 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 499 "Unable to represent this input vector!"); 500 Res.push_back(Opts.Inputs[i].second); 501 } 502 503 if (!Opts.OutputFile.empty()) { 504 Res.push_back("-o"); 505 Res.push_back(Opts.OutputFile); 506 } 507 if (!Opts.CodeCompletionAt.FileName.empty()) { 508 Res.push_back("-code-completion-at"); 509 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 510 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 511 llvm::utostr(Opts.CodeCompletionAt.Column)); 512 } 513 if (Opts.ProgramAction != frontend::PluginAction) 514 Res.push_back(getActionName(Opts.ProgramAction)); 515 if (!Opts.ActionName.empty()) { 516 Res.push_back("-plugin"); 517 Res.push_back(Opts.ActionName); 518 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 519 Res.push_back("-plugin-arg-" + Opts.ActionName); 520 Res.push_back(Opts.PluginArgs[i]); 521 } 522 } 523 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 524 Res.push_back("-load"); 525 Res.push_back(Opts.Plugins[i]); 526 } 527 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 528 Res.push_back("-add-plugin"); 529 Res.push_back(Opts.AddPluginActions[i]); 530 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 531 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 532 Res.push_back(Opts.AddPluginArgs[i][ai]); 533 } 534 } 535 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 536 Res.push_back("-ast-merge"); 537 Res.push_back(Opts.ASTMergeFiles[i]); 538 } 539 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 540 Res.push_back("-mllvm"); 541 Res.push_back(Opts.LLVMArgs[i]); 542 } 543 } 544 545 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 546 std::vector<std::string> &Res) { 547 if (Opts.Sysroot != "/") { 548 Res.push_back("-isysroot"); 549 Res.push_back(Opts.Sysroot); 550 } 551 552 /// User specified include entries. 553 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 554 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 555 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 556 llvm::report_fatal_error("Invalid option set!"); 557 if (E.IsUserSupplied) { 558 switch (E.Group) { 559 case frontend::After: 560 Res.push_back("-idirafter"); 561 break; 562 563 case frontend::Quoted: 564 Res.push_back("-iquote"); 565 break; 566 567 case frontend::System: 568 Res.push_back("-isystem"); 569 break; 570 571 case frontend::IndexHeaderMap: 572 Res.push_back("-index-header-map"); 573 Res.push_back(E.IsFramework? "-F" : "-I"); 574 break; 575 576 case frontend::CSystem: 577 Res.push_back("-c-isystem"); 578 break; 579 580 case frontend::CXXSystem: 581 Res.push_back("-cxx-isystem"); 582 break; 583 584 case frontend::ObjCSystem: 585 Res.push_back("-objc-isystem"); 586 break; 587 588 case frontend::ObjCXXSystem: 589 Res.push_back("-objcxx-isystem"); 590 break; 591 592 case frontend::Angled: 593 Res.push_back(E.IsFramework ? "-F" : "-I"); 594 break; 595 } 596 } else { 597 if (E.IsInternal) { 598 assert(E.Group == frontend::System && "Unexpected header search group"); 599 if (E.ImplicitExternC) 600 Res.push_back("-internal-externc-isystem"); 601 else 602 Res.push_back("-internal-isystem"); 603 } else { 604 if (E.Group != frontend::Angled && E.Group != frontend::System) 605 llvm::report_fatal_error("Invalid option set!"); 606 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 607 "-iwithprefix"); 608 } 609 } 610 Res.push_back(E.Path); 611 } 612 613 if (!Opts.ResourceDir.empty()) { 614 Res.push_back("-resource-dir"); 615 Res.push_back(Opts.ResourceDir); 616 } 617 if (!Opts.ModuleCachePath.empty()) { 618 Res.push_back("-fmodule-cache-path"); 619 Res.push_back(Opts.ModuleCachePath); 620 } 621 if (!Opts.UseStandardSystemIncludes) 622 Res.push_back("-nostdsysteminc"); 623 if (!Opts.UseStandardCXXIncludes) 624 Res.push_back("-nostdinc++"); 625 if (Opts.UseLibcxx) 626 Res.push_back("-stdlib=libc++"); 627 if (Opts.Verbose) 628 Res.push_back("-v"); 629 } 630 631 static void LangOptsToArgs(const LangOptions &Opts, 632 std::vector<std::string> &Res) { 633 LangOptions DefaultLangOpts; 634 635 // FIXME: Need to set -std to get all the implicit options. 636 637 // FIXME: We want to only pass options relative to the defaults, which 638 // requires constructing a target. :( 639 // 640 // It would be better to push the all target specific choices into the driver, 641 // so that everything below that was more uniform. 642 643 if (Opts.Trigraphs) 644 Res.push_back("-trigraphs"); 645 // Implicit based on the input kind: 646 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 647 // Implicit based on the input language standard: 648 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 649 if (Opts.DollarIdents) 650 Res.push_back("-fdollars-in-identifiers"); 651 if (Opts.GNUMode && !Opts.GNUKeywords) 652 Res.push_back("-fno-gnu-keywords"); 653 if (!Opts.GNUMode && Opts.GNUKeywords) 654 Res.push_back("-fgnu-keywords"); 655 if (Opts.MicrosoftExt) 656 Res.push_back("-fms-extensions"); 657 if (Opts.MicrosoftMode) 658 Res.push_back("-fms-compatibility"); 659 if (Opts.MSCVersion != 0) 660 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 661 if (Opts.Borland) 662 Res.push_back("-fborland-extensions"); 663 if (!Opts.ObjCNonFragileABI) 664 Res.push_back("-fobjc-fragile-abi"); 665 if (Opts.ObjCDefaultSynthProperties) 666 Res.push_back("-fobjc-default-synthesize-properties"); 667 // NoInline is implicit. 668 if (!Opts.CXXOperatorNames) 669 Res.push_back("-fno-operator-names"); 670 if (Opts.PascalStrings) 671 Res.push_back("-fpascal-strings"); 672 if (Opts.CatchUndefined) 673 Res.push_back("-fcatch-undefined-behavior"); 674 if (Opts.AddressSanitizer) 675 Res.push_back("-faddress-sanitizer"); 676 if (Opts.WritableStrings) 677 Res.push_back("-fwritable-strings"); 678 if (Opts.ConstStrings) 679 Res.push_back("-fconst-strings"); 680 if (!Opts.LaxVectorConversions) 681 Res.push_back("-fno-lax-vector-conversions"); 682 if (Opts.AltiVec) 683 Res.push_back("-faltivec"); 684 if (Opts.Exceptions) 685 Res.push_back("-fexceptions"); 686 if (Opts.ObjCExceptions) 687 Res.push_back("-fobjc-exceptions"); 688 if (Opts.CXXExceptions) 689 Res.push_back("-fcxx-exceptions"); 690 if (Opts.SjLjExceptions) 691 Res.push_back("-fsjlj-exceptions"); 692 if (Opts.TraditionalCPP) 693 Res.push_back("-traditional-cpp"); 694 if (!Opts.RTTI) 695 Res.push_back("-fno-rtti"); 696 if (Opts.MSBitfields) 697 Res.push_back("-mms-bitfields"); 698 if (!Opts.NeXTRuntime) 699 Res.push_back("-fgnu-runtime"); 700 if (Opts.Freestanding) 701 Res.push_back("-ffreestanding"); 702 if (Opts.NoBuiltin) 703 Res.push_back("-fno-builtin"); 704 if (!Opts.AssumeSaneOperatorNew) 705 Res.push_back("-fno-assume-sane-operator-new"); 706 if (!Opts.ThreadsafeStatics) 707 Res.push_back("-fno-threadsafe-statics"); 708 if (Opts.POSIXThreads) 709 Res.push_back("-pthread"); 710 if (Opts.Blocks) 711 Res.push_back("-fblocks"); 712 if (Opts.BlocksRuntimeOptional) 713 Res.push_back("-fblocks-runtime-optional"); 714 if (Opts.EmitAllDecls) 715 Res.push_back("-femit-all-decls"); 716 if (Opts.MathErrno) 717 Res.push_back("-fmath-errno"); 718 switch (Opts.getSignedOverflowBehavior()) { 719 case LangOptions::SOB_Undefined: break; 720 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 721 case LangOptions::SOB_Trapping: 722 Res.push_back("-ftrapv"); 723 if (!Opts.OverflowHandler.empty()) { 724 Res.push_back("-ftrapv-handler"); 725 Res.push_back(Opts.OverflowHandler); 726 } 727 break; 728 } 729 if (Opts.HeinousExtensions) 730 Res.push_back("-fheinous-gnu-extensions"); 731 // Optimize is implicit. 732 // OptimizeSize is implicit. 733 if (Opts.Static) 734 Res.push_back("-static-define"); 735 if (Opts.DumpRecordLayouts) 736 Res.push_back("-fdump-record-layouts"); 737 if (Opts.DumpVTableLayouts) 738 Res.push_back("-fdump-vtable-layouts"); 739 if (Opts.NoBitFieldTypeAlign) 740 Res.push_back("-fno-bitfield-type-alignment"); 741 if (Opts.PICLevel) { 742 Res.push_back("-pic-level"); 743 Res.push_back(llvm::utostr(Opts.PICLevel)); 744 } 745 if (Opts.ObjCGCBitmapPrint) 746 Res.push_back("-print-ivar-layout"); 747 if (Opts.NoConstantCFStrings) 748 Res.push_back("-fno-constant-cfstrings"); 749 if (!Opts.AccessControl) 750 Res.push_back("-fno-access-control"); 751 if (!Opts.CharIsSigned) 752 Res.push_back("-fno-signed-char"); 753 if (Opts.ShortWChar) 754 Res.push_back("-fshort-wchar"); 755 if (!Opts.ElideConstructors) 756 Res.push_back("-fno-elide-constructors"); 757 if (Opts.getGC() != LangOptions::NonGC) { 758 if (Opts.getGC() == LangOptions::HybridGC) { 759 Res.push_back("-fobjc-gc"); 760 } else { 761 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 762 Res.push_back("-fobjc-gc-only"); 763 } 764 } 765 if (Opts.ObjCAutoRefCount) 766 Res.push_back("-fobjc-arc"); 767 if (Opts.ObjCRuntimeHasWeak) 768 Res.push_back("-fobjc-runtime-has-weak"); 769 if (!Opts.ObjCInferRelatedResultType) 770 Res.push_back("-fno-objc-infer-related-result-type"); 771 772 if (Opts.AppleKext) 773 Res.push_back("-fapple-kext"); 774 775 if (Opts.getVisibilityMode() != DefaultVisibility) { 776 Res.push_back("-fvisibility"); 777 if (Opts.getVisibilityMode() == HiddenVisibility) { 778 Res.push_back("hidden"); 779 } else { 780 assert(Opts.getVisibilityMode() == ProtectedVisibility && 781 "Invalid visibility!"); 782 Res.push_back("protected"); 783 } 784 } 785 if (Opts.InlineVisibilityHidden) 786 Res.push_back("-fvisibility-inlines-hidden"); 787 788 if (Opts.getStackProtector() != 0) { 789 Res.push_back("-stack-protector"); 790 Res.push_back(llvm::utostr(Opts.getStackProtector())); 791 } 792 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 793 Res.push_back("-ftemplate-depth"); 794 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 795 } 796 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 797 Res.push_back("-fconstexpr-depth"); 798 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 799 } 800 if (!Opts.ObjCConstantStringClass.empty()) { 801 Res.push_back("-fconstant-string-class"); 802 Res.push_back(Opts.ObjCConstantStringClass); 803 } 804 if (Opts.FakeAddressSpaceMap) 805 Res.push_back("-ffake-address-space-map"); 806 if (Opts.ParseUnknownAnytype) 807 Res.push_back("-funknown-anytype"); 808 if (Opts.DebuggerSupport) 809 Res.push_back("-fdebugger-support"); 810 if (Opts.DelayedTemplateParsing) 811 Res.push_back("-fdelayed-template-parsing"); 812 if (Opts.Deprecated) 813 Res.push_back("-fdeprecated-macro"); 814 if (Opts.ApplePragmaPack) 815 Res.push_back("-fapple-pragma-pack"); 816 if (!Opts.CurrentModule.empty()) 817 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 818 } 819 820 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 821 std::vector<std::string> &Res) { 822 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 823 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 824 Opts.Macros[i].first); 825 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 826 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 827 Res.push_back("-include"); 828 Res.push_back(Opts.Includes[i]); 829 } 830 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 831 Res.push_back("-imacros"); 832 Res.push_back(Opts.MacroIncludes[i]); 833 } 834 if (!Opts.UsePredefines) 835 Res.push_back("-undef"); 836 if (Opts.DetailedRecord) 837 Res.push_back("-detailed-preprocessing-record"); 838 if (!Opts.ImplicitPCHInclude.empty()) { 839 Res.push_back("-include-pch"); 840 Res.push_back(Opts.ImplicitPCHInclude); 841 } 842 if (!Opts.ImplicitPTHInclude.empty()) { 843 Res.push_back("-include-pth"); 844 Res.push_back(Opts.ImplicitPTHInclude); 845 } 846 if (!Opts.TokenCache.empty()) { 847 if (Opts.ImplicitPTHInclude.empty()) { 848 Res.push_back("-token-cache"); 849 Res.push_back(Opts.TokenCache); 850 } else 851 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 852 "Unsupported option combination!"); 853 } 854 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 855 Res.push_back("-chain-include"); 856 Res.push_back(Opts.ChainedIncludes[i]); 857 } 858 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 859 Res.push_back("-remap-file"); 860 Res.push_back(Opts.RemappedFiles[i].first + ";" + 861 Opts.RemappedFiles[i].second); 862 } 863 } 864 865 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 866 std::vector<std::string> &Res) { 867 if (!Opts.ShowCPP && !Opts.ShowMacros) 868 llvm::report_fatal_error("Invalid option combination!"); 869 870 if (Opts.ShowCPP && Opts.ShowMacros) 871 Res.push_back("-dD"); 872 else if (!Opts.ShowCPP && Opts.ShowMacros) 873 Res.push_back("-dM"); 874 875 if (!Opts.ShowLineMarkers) 876 Res.push_back("-P"); 877 if (Opts.ShowComments) 878 Res.push_back("-C"); 879 if (Opts.ShowMacroComments) 880 Res.push_back("-CC"); 881 } 882 883 static void TargetOptsToArgs(const TargetOptions &Opts, 884 std::vector<std::string> &Res) { 885 Res.push_back("-triple"); 886 Res.push_back(Opts.Triple); 887 if (!Opts.CPU.empty()) { 888 Res.push_back("-target-cpu"); 889 Res.push_back(Opts.CPU); 890 } 891 if (!Opts.ABI.empty()) { 892 Res.push_back("-target-abi"); 893 Res.push_back(Opts.ABI); 894 } 895 if (!Opts.LinkerVersion.empty()) { 896 Res.push_back("-target-linker-version"); 897 Res.push_back(Opts.LinkerVersion); 898 } 899 if (!Opts.CXXABI.empty()) { 900 Res.push_back("-cxx-abi"); 901 Res.push_back(Opts.CXXABI); 902 } 903 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 904 Res.push_back("-target-feature"); 905 Res.push_back(Opts.Features[i]); 906 } 907 } 908 909 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 910 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 911 CodeGenOptsToArgs(getCodeGenOpts(), Res); 912 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 913 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 914 FileSystemOptsToArgs(getFileSystemOpts(), Res); 915 FrontendOptsToArgs(getFrontendOpts(), Res); 916 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 917 LangOptsToArgs(*getLangOpts(), Res); 918 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 919 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 920 TargetOptsToArgs(getTargetOpts(), Res); 921 } 922 923 //===----------------------------------------------------------------------===// 924 // Deserialization (to args) 925 //===----------------------------------------------------------------------===// 926 927 using namespace clang::driver; 928 using namespace clang::driver::cc1options; 929 930 // 931 932 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 933 DiagnosticsEngine &Diags) { 934 unsigned DefaultOpt = 0; 935 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 936 DefaultOpt = 2; 937 // -Os/-Oz implies -O2 938 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 939 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 940 } 941 942 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 943 DiagnosticsEngine &Diags) { 944 using namespace cc1options; 945 946 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 947 StringRef Name = A->getValue(Args); 948 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 949 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 950 .Case(CMDFLAG, NAME##Model) 951 #include "clang/Frontend/Analyses.def" 952 .Default(NumStores); 953 // FIXME: Error handling. 954 if (Value == NumStores) 955 Diags.Report(diag::err_drv_invalid_value) 956 << A->getAsString(Args) << Name; 957 else 958 Opts.AnalysisStoreOpt = Value; 959 } 960 961 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 962 StringRef Name = A->getValue(Args); 963 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 964 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 965 .Case(CMDFLAG, NAME##Model) 966 #include "clang/Frontend/Analyses.def" 967 .Default(NumConstraints); 968 // FIXME: Error handling. 969 if (Value == NumConstraints) 970 Diags.Report(diag::err_drv_invalid_value) 971 << A->getAsString(Args) << Name; 972 else 973 Opts.AnalysisConstraintsOpt = Value; 974 } 975 976 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 977 StringRef Name = A->getValue(Args); 978 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 979 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 980 .Case(CMDFLAG, PD_##NAME) 981 #include "clang/Frontend/Analyses.def" 982 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 983 // FIXME: Error handling. 984 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 985 Diags.Report(diag::err_drv_invalid_value) 986 << A->getAsString(Args) << Name; 987 else 988 Opts.AnalysisDiagOpt = Value; 989 } 990 991 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 992 StringRef Name = A->getValue(Args); 993 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 994 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 995 .Case(CMDFLAG, NAME) 996 #include "clang/Frontend/Analyses.def" 997 .Default(NumPurgeModes); 998 // FIXME: Error handling. 999 if (Value == NumPurgeModes) 1000 Diags.Report(diag::err_drv_invalid_value) 1001 << A->getAsString(Args) << Name; 1002 else 1003 Opts.AnalysisPurgeOpt = Value; 1004 } 1005 1006 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1007 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1008 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1009 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1010 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1011 Opts.AnalyzeNestedBlocks = 1012 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1013 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1014 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1015 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1016 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1017 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1018 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1019 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1020 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1021 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1022 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1023 1024 Opts.CheckersControlList.clear(); 1025 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1026 OPT_analyzer_disable_checker), 1027 ie = Args.filtered_end(); it != ie; ++it) { 1028 const Arg *A = *it; 1029 A->claim(); 1030 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1031 // We can have a list of comma separated checker names, e.g: 1032 // '-analyzer-checker=cocoa,unix' 1033 StringRef checkerList = A->getValue(Args); 1034 SmallVector<StringRef, 4> checkers; 1035 checkerList.split(checkers, ","); 1036 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1037 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1038 } 1039 } 1040 1041 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1042 DiagnosticsEngine &Diags) { 1043 using namespace cc1options; 1044 1045 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1046 if (Opts.OptimizationLevel > 3) { 1047 Diags.Report(diag::err_drv_invalid_value) 1048 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1049 Opts.OptimizationLevel = 3; 1050 } 1051 1052 // We must always run at least the always inlining pass. 1053 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1054 : CodeGenOptions::OnlyAlwaysInlining; 1055 1056 Opts.DebugInfo = Args.hasArg(OPT_g); 1057 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1058 || Args.hasArg(OPT_flimit_debug_info); 1059 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1060 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1061 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1062 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1063 OPT_fuse_register_sized_bitfield_access); 1064 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1065 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1066 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1067 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1068 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1069 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1070 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1071 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1072 Args.hasArg(OPT_ffreestanding)); 1073 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1074 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1075 1076 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1077 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1078 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1079 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1080 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1081 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1082 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1083 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1084 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1085 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1086 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1087 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1088 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1089 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1090 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1091 Args.hasArg(OPT_cl_finite_math_only)|| 1092 Args.hasArg(OPT_cl_fast_relaxed_math)); 1093 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1094 Args.hasArg(OPT_cl_finite_math_only)|| 1095 Args.hasArg(OPT_cl_fast_relaxed_math)); 1096 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1097 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1098 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1099 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1100 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1101 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1102 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1103 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1104 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1105 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1106 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1107 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1108 Args.hasArg(OPT_cl_fast_relaxed_math); 1109 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1110 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1111 1112 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1113 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1114 1115 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1116 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1117 1118 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1119 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1120 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1121 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1122 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1123 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1124 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1125 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1126 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1127 StringRef Val = A->getValue(Args); 1128 Val.getAsInteger(10, Opts.StackAlignment); 1129 } 1130 1131 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1132 StringRef Name = A->getValue(Args); 1133 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1134 .Case("legacy", CodeGenOptions::Legacy) 1135 .Case("non-legacy", CodeGenOptions::NonLegacy) 1136 .Case("mixed", CodeGenOptions::Mixed) 1137 .Default(~0U); 1138 if (Method == ~0U) 1139 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1140 else 1141 Opts.ObjCDispatchMethod = Method; 1142 } 1143 } 1144 1145 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1146 ArgList &Args) { 1147 using namespace cc1options; 1148 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1149 Opts.Targets = Args.getAllArgValues(OPT_MT); 1150 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1151 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1152 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1153 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1154 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1155 } 1156 1157 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1158 DiagnosticsEngine &Diags) { 1159 using namespace cc1options; 1160 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1161 Opts.DiagnosticSerializationFile = 1162 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1163 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1164 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1165 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1166 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1167 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1168 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1169 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1170 OPT_fno_show_column, 1171 /*Default=*/true); 1172 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1173 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1174 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1175 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1176 1177 // Default behavior is to not to show note include stacks. 1178 Opts.ShowNoteIncludeStack = false; 1179 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1180 OPT_fno_diagnostics_show_note_include_stack)) 1181 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1182 Opts.ShowNoteIncludeStack = true; 1183 1184 StringRef ShowOverloads = 1185 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1186 if (ShowOverloads == "best") 1187 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1188 else if (ShowOverloads == "all") 1189 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1190 else 1191 Diags.Report(diag::err_drv_invalid_value) 1192 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1193 << ShowOverloads; 1194 1195 StringRef ShowCategory = 1196 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1197 if (ShowCategory == "none") 1198 Opts.ShowCategories = 0; 1199 else if (ShowCategory == "id") 1200 Opts.ShowCategories = 1; 1201 else if (ShowCategory == "name") 1202 Opts.ShowCategories = 2; 1203 else 1204 Diags.Report(diag::err_drv_invalid_value) 1205 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1206 << ShowCategory; 1207 1208 StringRef Format = 1209 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1210 if (Format == "clang") 1211 Opts.Format = DiagnosticOptions::Clang; 1212 else if (Format == "msvc") 1213 Opts.Format = DiagnosticOptions::Msvc; 1214 else if (Format == "vi") 1215 Opts.Format = DiagnosticOptions::Vi; 1216 else 1217 Diags.Report(diag::err_drv_invalid_value) 1218 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1219 << Format; 1220 1221 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1222 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1223 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1224 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1225 Opts.MacroBacktraceLimit 1226 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1227 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1228 Opts.TemplateBacktraceLimit 1229 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1230 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1231 Diags); 1232 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1233 DiagnosticOptions::DefaultTabStop, Diags); 1234 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1235 Diags.Report(diag::warn_ignoring_ftabstop_value) 1236 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1237 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1238 } 1239 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1240 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1241 Opts.Warnings = Args.getAllArgValues(OPT_W); 1242 } 1243 1244 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1245 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1246 } 1247 1248 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1249 DiagnosticsEngine &Diags) { 1250 using namespace cc1options; 1251 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1252 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1253 switch (A->getOption().getID()) { 1254 default: 1255 llvm_unreachable("Invalid option in group!"); 1256 case OPT_ast_dump: 1257 Opts.ProgramAction = frontend::ASTDump; break; 1258 case OPT_ast_dump_xml: 1259 Opts.ProgramAction = frontend::ASTDumpXML; break; 1260 case OPT_ast_print: 1261 Opts.ProgramAction = frontend::ASTPrint; break; 1262 case OPT_ast_view: 1263 Opts.ProgramAction = frontend::ASTView; break; 1264 case OPT_dump_raw_tokens: 1265 Opts.ProgramAction = frontend::DumpRawTokens; break; 1266 case OPT_dump_tokens: 1267 Opts.ProgramAction = frontend::DumpTokens; break; 1268 case OPT_S: 1269 Opts.ProgramAction = frontend::EmitAssembly; break; 1270 case OPT_emit_llvm_bc: 1271 Opts.ProgramAction = frontend::EmitBC; break; 1272 case OPT_emit_html: 1273 Opts.ProgramAction = frontend::EmitHTML; break; 1274 case OPT_emit_llvm: 1275 Opts.ProgramAction = frontend::EmitLLVM; break; 1276 case OPT_emit_llvm_only: 1277 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1278 case OPT_emit_codegen_only: 1279 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1280 case OPT_emit_obj: 1281 Opts.ProgramAction = frontend::EmitObj; break; 1282 case OPT_fixit_EQ: 1283 Opts.FixItSuffix = A->getValue(Args); 1284 // fall-through! 1285 case OPT_fixit: 1286 Opts.ProgramAction = frontend::FixIt; break; 1287 case OPT_emit_module: 1288 Opts.ProgramAction = frontend::GenerateModule; break; 1289 case OPT_emit_pch: 1290 Opts.ProgramAction = frontend::GeneratePCH; break; 1291 case OPT_emit_pth: 1292 Opts.ProgramAction = frontend::GeneratePTH; break; 1293 case OPT_init_only: 1294 Opts.ProgramAction = frontend::InitOnly; break; 1295 case OPT_fsyntax_only: 1296 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1297 case OPT_print_decl_contexts: 1298 Opts.ProgramAction = frontend::PrintDeclContext; break; 1299 case OPT_print_preamble: 1300 Opts.ProgramAction = frontend::PrintPreamble; break; 1301 case OPT_E: 1302 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1303 case OPT_rewrite_macros: 1304 Opts.ProgramAction = frontend::RewriteMacros; break; 1305 case OPT_rewrite_objc: 1306 Opts.ProgramAction = frontend::RewriteObjC; break; 1307 case OPT_rewrite_test: 1308 Opts.ProgramAction = frontend::RewriteTest; break; 1309 case OPT_analyze: 1310 Opts.ProgramAction = frontend::RunAnalysis; break; 1311 case OPT_Eonly: 1312 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1313 } 1314 } 1315 1316 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1317 Opts.Plugins.push_back(A->getValue(Args,0)); 1318 Opts.ProgramAction = frontend::PluginAction; 1319 Opts.ActionName = A->getValue(Args); 1320 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.ActionName) 1324 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1325 } 1326 } 1327 1328 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1329 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1330 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1331 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1332 end = Args.filtered_end(); it != end; ++it) { 1333 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1334 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1335 } 1336 } 1337 1338 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1339 Opts.CodeCompletionAt = 1340 ParsedSourceLocation::FromString(A->getValue(Args)); 1341 if (Opts.CodeCompletionAt.FileName.empty()) 1342 Diags.Report(diag::err_drv_invalid_value) 1343 << A->getAsString(Args) << A->getValue(Args); 1344 } 1345 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1346 1347 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1348 Opts.Plugins = Args.getAllArgValues(OPT_load); 1349 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1350 Opts.ShowHelp = Args.hasArg(OPT_help); 1351 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1352 Opts.ShowCodePatternsInCodeCompletion 1353 = Args.hasArg(OPT_code_completion_patterns); 1354 Opts.ShowGlobalSymbolsInCodeCompletion 1355 = !Args.hasArg(OPT_no_code_completion_globals); 1356 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1357 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1358 Opts.ShowVersion = Args.hasArg(OPT_version); 1359 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1360 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1361 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1362 1363 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1364 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1365 OPT_arcmt_modify, 1366 OPT_arcmt_migrate)) { 1367 switch (A->getOption().getID()) { 1368 default: 1369 llvm_unreachable("missed a case"); 1370 case OPT_arcmt_check: 1371 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1372 break; 1373 case OPT_arcmt_modify: 1374 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1375 break; 1376 case OPT_arcmt_migrate: 1377 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1378 break; 1379 } 1380 } 1381 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1382 Opts.ARCMTMigrateReportOut 1383 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1384 Opts.ARCMTMigrateEmitARCErrors 1385 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1386 1387 InputKind DashX = IK_None; 1388 if (const Arg *A = Args.getLastArg(OPT_x)) { 1389 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1390 .Case("c", IK_C) 1391 .Case("cl", IK_OpenCL) 1392 .Case("cuda", IK_CUDA) 1393 .Case("c++", IK_CXX) 1394 .Case("objective-c", IK_ObjC) 1395 .Case("objective-c++", IK_ObjCXX) 1396 .Case("cpp-output", IK_PreprocessedC) 1397 .Case("assembler-with-cpp", IK_Asm) 1398 .Case("c++-cpp-output", IK_PreprocessedCXX) 1399 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1400 .Case("objc-cpp-output", IK_PreprocessedObjC) 1401 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1402 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1403 .Case("c-header", IK_C) 1404 .Case("cl-header", IK_OpenCL) 1405 .Case("objective-c-header", IK_ObjC) 1406 .Case("c++-header", IK_CXX) 1407 .Case("objective-c++-header", IK_ObjCXX) 1408 .Case("ast", IK_AST) 1409 .Case("ir", IK_LLVM_IR) 1410 .Default(IK_None); 1411 if (DashX == IK_None) 1412 Diags.Report(diag::err_drv_invalid_value) 1413 << A->getAsString(Args) << A->getValue(Args); 1414 } 1415 1416 // '-' is the default input if none is given. 1417 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1418 Opts.Inputs.clear(); 1419 if (Inputs.empty()) 1420 Inputs.push_back("-"); 1421 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1422 InputKind IK = DashX; 1423 if (IK == IK_None) { 1424 IK = FrontendOptions::getInputKindForExtension( 1425 StringRef(Inputs[i]).rsplit('.').second); 1426 // FIXME: Remove this hack. 1427 if (i == 0) 1428 DashX = IK; 1429 } 1430 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1431 } 1432 1433 return DashX; 1434 } 1435 1436 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1437 void *MainAddr) { 1438 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1439 1440 if (!P.isEmpty()) { 1441 P.eraseComponent(); // Remove /clang from foo/bin/clang 1442 P.eraseComponent(); // Remove /bin from foo/bin 1443 1444 // Get foo/lib/clang/<version>/include 1445 P.appendComponent("lib"); 1446 P.appendComponent("clang"); 1447 P.appendComponent(CLANG_VERSION_STRING); 1448 } 1449 1450 return P.str(); 1451 } 1452 1453 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1454 using namespace cc1options; 1455 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1456 Opts.Verbose = Args.hasArg(OPT_v); 1457 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1458 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1459 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1460 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1461 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1462 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1463 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1464 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1465 1466 // Add -I..., -F..., and -index-header-map options in order. 1467 bool IsIndexHeaderMap = false; 1468 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1469 OPT_index_header_map), 1470 ie = Args.filtered_end(); it != ie; ++it) { 1471 if ((*it)->getOption().matches(OPT_index_header_map)) { 1472 // -index-header-map applies to the next -I or -F. 1473 IsIndexHeaderMap = true; 1474 continue; 1475 } 1476 1477 frontend::IncludeDirGroup Group 1478 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1479 1480 Opts.AddPath((*it)->getValue(Args), Group, true, 1481 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1482 IsIndexHeaderMap = false; 1483 } 1484 1485 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1486 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1487 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1488 OPT_iwithprefixbefore), 1489 ie = Args.filtered_end(); it != ie; ++it) { 1490 const Arg *A = *it; 1491 if (A->getOption().matches(OPT_iprefix)) 1492 Prefix = A->getValue(Args); 1493 else if (A->getOption().matches(OPT_iwithprefix)) 1494 Opts.AddPath(Prefix.str() + A->getValue(Args), 1495 frontend::System, false, false, false); 1496 else 1497 Opts.AddPath(Prefix.str() + A->getValue(Args), 1498 frontend::Angled, false, false, false); 1499 } 1500 1501 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1502 ie = Args.filtered_end(); it != ie; ++it) 1503 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1504 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1505 ie = Args.filtered_end(); it != ie; ++it) 1506 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1507 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1508 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1509 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1510 !(*it)->getOption().matches(OPT_iwithsysroot)); 1511 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1512 ie = Args.filtered_end(); it != ie; ++it) 1513 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1514 true); 1515 1516 // Add the paths for the various language specific isystem flags. 1517 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1518 ie = Args.filtered_end(); it != ie; ++it) 1519 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1520 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1521 ie = Args.filtered_end(); it != ie; ++it) 1522 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1523 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1524 ie = Args.filtered_end(); it != ie; ++it) 1525 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1526 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1527 ie = Args.filtered_end(); it != ie; ++it) 1528 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1529 true); 1530 1531 // Add the internal paths from a driver that detects standard include paths. 1532 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1533 OPT_internal_externc_isystem), 1534 E = Args.filtered_end(); 1535 I != E; ++I) 1536 Opts.AddPath((*I)->getValue(Args), frontend::System, 1537 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1538 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1539 } 1540 1541 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1542 LangStandard::Kind LangStd) { 1543 // Set some properties which depend solely on the input kind; it would be nice 1544 // to move these to the language standard, and have the driver resolve the 1545 // input kind + language standard. 1546 if (IK == IK_Asm) { 1547 Opts.AsmPreprocessor = 1; 1548 } else if (IK == IK_ObjC || 1549 IK == IK_ObjCXX || 1550 IK == IK_PreprocessedObjC || 1551 IK == IK_PreprocessedObjCXX) { 1552 Opts.ObjC1 = Opts.ObjC2 = 1; 1553 } 1554 1555 if (LangStd == LangStandard::lang_unspecified) { 1556 // Based on the base language, pick one. 1557 switch (IK) { 1558 case IK_None: 1559 case IK_AST: 1560 case IK_LLVM_IR: 1561 llvm_unreachable("Invalid input kind!"); 1562 case IK_OpenCL: 1563 LangStd = LangStandard::lang_opencl; 1564 break; 1565 case IK_CUDA: 1566 LangStd = LangStandard::lang_cuda; 1567 break; 1568 case IK_Asm: 1569 case IK_C: 1570 case IK_PreprocessedC: 1571 case IK_ObjC: 1572 case IK_PreprocessedObjC: 1573 LangStd = LangStandard::lang_gnu99; 1574 break; 1575 case IK_CXX: 1576 case IK_PreprocessedCXX: 1577 case IK_ObjCXX: 1578 case IK_PreprocessedObjCXX: 1579 LangStd = LangStandard::lang_gnucxx98; 1580 break; 1581 } 1582 } 1583 1584 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1585 Opts.BCPLComment = Std.hasBCPLComments(); 1586 Opts.C99 = Std.isC99(); 1587 Opts.C1X = Std.isC1X(); 1588 Opts.CPlusPlus = Std.isCPlusPlus(); 1589 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1590 Opts.Digraphs = Std.hasDigraphs(); 1591 Opts.GNUMode = Std.isGNUMode(); 1592 Opts.GNUInline = !Std.isC99(); 1593 Opts.HexFloats = Std.hasHexFloats(); 1594 Opts.ImplicitInt = Std.hasImplicitInt(); 1595 1596 // OpenCL has some additional defaults. 1597 if (LangStd == LangStandard::lang_opencl) { 1598 Opts.OpenCL = 1; 1599 Opts.AltiVec = 0; 1600 Opts.CXXOperatorNames = 1; 1601 Opts.LaxVectorConversions = 0; 1602 Opts.DefaultFPContract = 1; 1603 } 1604 1605 if (LangStd == LangStandard::lang_cuda) 1606 Opts.CUDA = 1; 1607 1608 // OpenCL and C++ both have bool, true, false keywords. 1609 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1610 1611 Opts.GNUKeywords = Opts.GNUMode; 1612 Opts.CXXOperatorNames = Opts.CPlusPlus; 1613 1614 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1615 // is specified, or -std is set to a conforming mode. 1616 Opts.Trigraphs = !Opts.GNUMode; 1617 1618 Opts.DollarIdents = !Opts.AsmPreprocessor; 1619 } 1620 1621 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1622 DiagnosticsEngine &Diags) { 1623 // FIXME: Cleanup per-file based stuff. 1624 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1625 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1626 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1627 #define LANGSTANDARD(id, name, desc, features) \ 1628 .Case(name, LangStandard::lang_##id) 1629 #include "clang/Frontend/LangStandards.def" 1630 .Default(LangStandard::lang_unspecified); 1631 if (LangStd == LangStandard::lang_unspecified) 1632 Diags.Report(diag::err_drv_invalid_value) 1633 << A->getAsString(Args) << A->getValue(Args); 1634 else { 1635 // Valid standard, check to make sure language and standard are compatable. 1636 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1637 switch (IK) { 1638 case IK_C: 1639 case IK_ObjC: 1640 case IK_PreprocessedC: 1641 case IK_PreprocessedObjC: 1642 if (!(Std.isC89() || Std.isC99())) 1643 Diags.Report(diag::err_drv_argument_not_allowed_with) 1644 << A->getAsString(Args) << "C/ObjC"; 1645 break; 1646 case IK_CXX: 1647 case IK_ObjCXX: 1648 case IK_PreprocessedCXX: 1649 case IK_PreprocessedObjCXX: 1650 if (!Std.isCPlusPlus()) 1651 Diags.Report(diag::err_drv_argument_not_allowed_with) 1652 << A->getAsString(Args) << "C++/ObjC++"; 1653 break; 1654 case IK_OpenCL: 1655 if (!Std.isC99()) 1656 Diags.Report(diag::err_drv_argument_not_allowed_with) 1657 << A->getAsString(Args) << "OpenCL"; 1658 break; 1659 case IK_CUDA: 1660 if (!Std.isCPlusPlus()) 1661 Diags.Report(diag::err_drv_argument_not_allowed_with) 1662 << A->getAsString(Args) << "CUDA"; 1663 break; 1664 default: 1665 break; 1666 } 1667 } 1668 } 1669 1670 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1671 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1672 Diags.Report(diag::err_drv_invalid_value) 1673 << A->getAsString(Args) << A->getValue(Args); 1674 } 1675 } 1676 1677 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1678 1679 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1680 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1681 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1682 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1683 // name, as it doesn't seem a useful distinction. 1684 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1685 Opts.GNUKeywords); 1686 1687 if (Args.hasArg(OPT_fno_operator_names)) 1688 Opts.CXXOperatorNames = 0; 1689 1690 if (Opts.ObjC1) { 1691 if (Args.hasArg(OPT_fobjc_gc_only)) 1692 Opts.setGC(LangOptions::GCOnly); 1693 else if (Args.hasArg(OPT_fobjc_gc)) 1694 Opts.setGC(LangOptions::HybridGC); 1695 else if (Args.hasArg(OPT_fobjc_arc)) { 1696 Opts.ObjCAutoRefCount = 1; 1697 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1698 Diags.Report(diag::err_arc_nonfragile_abi); 1699 } 1700 1701 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1702 Opts.ObjCRuntimeHasWeak = 1; 1703 1704 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1705 Opts.ObjCInferRelatedResultType = 0; 1706 } 1707 1708 if (Args.hasArg(OPT_fgnu89_inline)) 1709 Opts.GNUInline = 1; 1710 1711 if (Args.hasArg(OPT_fapple_kext)) { 1712 if (!Opts.CPlusPlus) 1713 Diags.Report(diag::warn_c_kext); 1714 else 1715 Opts.AppleKext = 1; 1716 } 1717 1718 if (Args.hasArg(OPT_print_ivar_layout)) 1719 Opts.ObjCGCBitmapPrint = 1; 1720 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1721 Opts.NoConstantCFStrings = 1; 1722 1723 if (Args.hasArg(OPT_faltivec)) 1724 Opts.AltiVec = 1; 1725 1726 if (Args.hasArg(OPT_pthread)) 1727 Opts.POSIXThreads = 1; 1728 1729 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1730 Opts.DelayedTemplateParsing = 1; 1731 1732 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1733 if (Vis == "default") 1734 Opts.setVisibilityMode(DefaultVisibility); 1735 else if (Vis == "hidden") 1736 Opts.setVisibilityMode(HiddenVisibility); 1737 else if (Vis == "protected") 1738 Opts.setVisibilityMode(ProtectedVisibility); 1739 else 1740 Diags.Report(diag::err_drv_invalid_value) 1741 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1742 1743 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1744 Opts.InlineVisibilityHidden = 1; 1745 1746 if (Args.hasArg(OPT_ftrapv)) { 1747 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1748 // Set the handler, if one is specified. 1749 Opts.OverflowHandler = 1750 Args.getLastArgValue(OPT_ftrapv_handler); 1751 } 1752 else if (Args.hasArg(OPT_fwrapv)) 1753 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1754 1755 if (Args.hasArg(OPT_trigraphs)) 1756 Opts.Trigraphs = 1; 1757 1758 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1759 OPT_fno_dollars_in_identifiers, 1760 Opts.DollarIdents); 1761 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1762 Opts.MicrosoftExt 1763 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1764 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1765 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1766 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1767 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1768 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1769 Opts.ConstStrings); 1770 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1771 Opts.LaxVectorConversions = 0; 1772 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1773 Opts.ThreadsafeStatics = 0; 1774 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1775 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1776 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1777 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1778 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1779 1780 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1781 Opts.Blocks = Args.hasArg(OPT_fblocks); 1782 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1783 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1784 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1785 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1786 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1787 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1788 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1789 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1790 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1791 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1792 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1793 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1794 Diags); 1795 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1796 Diags); 1797 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1798 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1799 0, Diags); 1800 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1801 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1802 Opts.ObjCConstantStringClass = 1803 Args.getLastArgValue(OPT_fconstant_string_class); 1804 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1805 if (Opts.ObjCNonFragileABI) 1806 Opts.ObjCNonFragileABI2 = true; 1807 Opts.ObjCDefaultSynthProperties = 1808 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1809 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1810 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1811 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1812 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1813 Opts.Static = Args.hasArg(OPT_static_define); 1814 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1815 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1816 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1817 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1818 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1819 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1820 Opts.MRTD = Args.hasArg(OPT_mrtd); 1821 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1822 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1823 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1824 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1825 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1826 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1827 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1828 1829 // Record whether the __DEPRECATED define was requested. 1830 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1831 OPT_fno_deprecated_macro, 1832 Opts.Deprecated); 1833 1834 // FIXME: Eliminate this dependency. 1835 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1836 Opts.Optimize = Opt != 0; 1837 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1838 1839 // This is the __NO_INLINE__ define, which just depends on things like the 1840 // optimization level and -fno-inline, not actually whether the backend has 1841 // inlining enabled. 1842 // 1843 // FIXME: This is affected by other options (-fno-inline). 1844 Opts.NoInline = !Opt; 1845 1846 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1847 switch (SSP) { 1848 default: 1849 Diags.Report(diag::err_drv_invalid_value) 1850 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1851 break; 1852 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1853 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1854 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1855 } 1856 } 1857 1858 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1859 FileManager &FileMgr, 1860 DiagnosticsEngine &Diags) { 1861 using namespace cc1options; 1862 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1863 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1864 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1865 Opts.TokenCache = A->getValue(Args); 1866 else 1867 Opts.TokenCache = Opts.ImplicitPTHInclude; 1868 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1869 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1870 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1871 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1872 1873 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1874 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1875 ie = Args.filtered_end(); it != ie; ++it) { 1876 const Arg *A = *it; 1877 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1878 } 1879 1880 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1881 StringRef Value(A->getValue(Args)); 1882 size_t Comma = Value.find(','); 1883 unsigned Bytes = 0; 1884 unsigned EndOfLine = 0; 1885 1886 if (Comma == StringRef::npos || 1887 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1888 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1889 Diags.Report(diag::err_drv_preamble_format); 1890 else { 1891 Opts.PrecompiledPreambleBytes.first = Bytes; 1892 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1893 } 1894 } 1895 1896 // Add macros from the command line. 1897 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1898 ie = Args.filtered_end(); it != ie; ++it) { 1899 if ((*it)->getOption().matches(OPT_D)) 1900 Opts.addMacroDef((*it)->getValue(Args)); 1901 else 1902 Opts.addMacroUndef((*it)->getValue(Args)); 1903 } 1904 1905 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1906 1907 // Add the ordered list of -includes. 1908 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1909 OPT_include_pth), 1910 ie = Args.filtered_end(); it != ie; ++it) { 1911 const Arg *A = *it; 1912 // PCH is handled specially, we need to extra the original include path. 1913 if (A->getOption().matches(OPT_include_pch)) { 1914 std::string OriginalFile = 1915 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1916 if (OriginalFile.empty()) 1917 continue; 1918 1919 Opts.Includes.push_back(OriginalFile); 1920 } else 1921 Opts.Includes.push_back(A->getValue(Args)); 1922 } 1923 1924 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1925 ie = Args.filtered_end(); it != ie; ++it) { 1926 const Arg *A = *it; 1927 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1928 } 1929 1930 // Include 'altivec.h' if -faltivec option present 1931 if (Args.hasArg(OPT_faltivec)) 1932 Opts.Includes.push_back("altivec.h"); 1933 1934 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1935 ie = Args.filtered_end(); it != ie; ++it) { 1936 const Arg *A = *it; 1937 std::pair<StringRef,StringRef> Split = 1938 StringRef(A->getValue(Args)).split(';'); 1939 1940 if (Split.second.empty()) { 1941 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1942 continue; 1943 } 1944 1945 Opts.addRemappedFile(Split.first, Split.second); 1946 } 1947 1948 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1949 StringRef Name = A->getValue(Args); 1950 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1951 .Case("libc++", ARCXX_libcxx) 1952 .Case("libstdc++", ARCXX_libstdcxx) 1953 .Case("none", ARCXX_nolib) 1954 .Default(~0U); 1955 if (Library == ~0U) 1956 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1957 else 1958 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1959 } 1960 } 1961 1962 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1963 ArgList &Args) { 1964 using namespace cc1options; 1965 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1966 Opts.ShowComments = Args.hasArg(OPT_C); 1967 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1968 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1969 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1970 } 1971 1972 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1973 using namespace cc1options; 1974 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1975 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1976 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1977 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1978 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1979 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1980 1981 // Use the default target triple if unspecified. 1982 if (Opts.Triple.empty()) 1983 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1984 } 1985 1986 // 1987 1988 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1989 const char *const *ArgBegin, 1990 const char *const *ArgEnd, 1991 DiagnosticsEngine &Diags) { 1992 // Parse the arguments. 1993 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1994 unsigned MissingArgIndex, MissingArgCount; 1995 llvm::OwningPtr<InputArgList> Args( 1996 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1997 1998 // Check for missing argument error. 1999 if (MissingArgCount) 2000 Diags.Report(diag::err_drv_missing_argument) 2001 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2002 2003 // Issue errors on unknown arguments. 2004 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2005 ie = Args->filtered_end(); it != ie; ++it) 2006 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2007 2008 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 2009 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2010 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 2011 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2012 // FIXME: We shouldn't have to pass the DashX option around here 2013 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2014 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 2015 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2016 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2017 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2018 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2019 Res.getLangOpts()->ObjCExceptions = 1; 2020 } 2021 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2022 // PCH file and find the original header name. Remove the need to do that in 2023 // ParsePreprocessorArgs and remove the FileManager 2024 // parameters from the function and the "FileManager.h" #include. 2025 FileManager FileMgr(Res.getFileSystemOpts()); 2026 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2027 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2028 ParseTargetArgs(Res.getTargetOpts(), *Args); 2029 } 2030 2031 namespace { 2032 2033 class ModuleSignature { 2034 llvm::SmallVector<uint64_t, 16> Data; 2035 unsigned CurBit; 2036 uint64_t CurValue; 2037 2038 public: 2039 ModuleSignature() : CurBit(0), CurValue(0) { } 2040 2041 void add(uint64_t Value, unsigned Bits); 2042 void add(StringRef Value); 2043 void flush(); 2044 2045 llvm::APInt getAsInteger() const; 2046 }; 2047 } 2048 2049 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2050 CurValue |= Value << CurBit; 2051 if (CurBit + NumBits < 64) { 2052 CurBit += NumBits; 2053 return; 2054 } 2055 2056 // Add the current word. 2057 Data.push_back(CurValue); 2058 2059 if (CurBit) 2060 CurValue = Value >> (64-CurBit); 2061 else 2062 CurValue = 0; 2063 CurBit = (CurBit+NumBits) & 63; 2064 } 2065 2066 void ModuleSignature::flush() { 2067 if (CurBit == 0) 2068 return; 2069 2070 Data.push_back(CurValue); 2071 CurBit = 0; 2072 CurValue = 0; 2073 } 2074 2075 void ModuleSignature::add(StringRef Value) { 2076 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2077 add(*I, 8); 2078 } 2079 2080 llvm::APInt ModuleSignature::getAsInteger() const { 2081 return llvm::APInt(Data.size() * 64, Data); 2082 } 2083 2084 std::string CompilerInvocation::getModuleHash() const { 2085 ModuleSignature Signature; 2086 2087 // Start the signature with the compiler version. 2088 Signature.add(getClangFullRepositoryVersion()); 2089 2090 // Extend the signature with the language options 2091 #define LANGOPT(Name, Bits, Default, Description) \ 2092 Signature.add(LangOpts->Name, Bits); 2093 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2094 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2095 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2096 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2097 #include "clang/Basic/LangOptions.def" 2098 2099 // Extend the signature with the target triple 2100 llvm::Triple T(TargetOpts.Triple); 2101 Signature.add((unsigned)T.getArch(), 5); 2102 Signature.add((unsigned)T.getVendor(), 4); 2103 Signature.add((unsigned)T.getOS(), 5); 2104 Signature.add((unsigned)T.getEnvironment(), 4); 2105 2106 // Extend the signature with preprocessor options. 2107 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2108 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2109 2110 // Hash the preprocessor defines. 2111 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2112 std::vector<StringRef> MacroDefs; 2113 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2114 I = getPreprocessorOpts().Macros.begin(), 2115 IEnd = getPreprocessorOpts().Macros.end(); 2116 I != IEnd; ++I) { 2117 if (!I->second) 2118 MacroDefs.push_back(I->first); 2119 } 2120 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2121 2122 unsigned PPHashResult = 0; 2123 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2124 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2125 Signature.add(PPHashResult, 32); 2126 2127 // We've generated the signature. Treat it as one large APInt that we'll 2128 // encode in base-36 and return. 2129 Signature.flush(); 2130 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2131 } 2132