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/Options.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 : 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 purge mode!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 89 switch (Kind) { 90 default: 91 llvm_unreachable("Unknown analysis ipa mode!"); 92 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 93 case NAME: return CMDFLAG; 94 #include "clang/Frontend/Analyses.def" 95 } 96 } 97 98 static const char * 99 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 100 switch (Kind) { 101 default: 102 llvm_unreachable("Unknown analysis inlining mode!"); 103 #define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 104 case NAME: return CMDFLAG; 105 #include "clang/Frontend/Analyses.def" 106 } 107 } 108 109 //===----------------------------------------------------------------------===// 110 // Serialization (to args) 111 //===----------------------------------------------------------------------===// 112 113 namespace { 114 /// ToArgsList - Helper class to create a list of std::strings. 115 class ToArgsList { 116 std::vector<std::string> &Res; 117 public: 118 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 119 120 void push_back(StringRef Str) { 121 // Avoid creating a temporary string. 122 Res.push_back(std::string()); 123 Res.back().assign(Str.data(), Str.size()); 124 } 125 126 void push_back(StringRef Str1, StringRef Str2) { 127 push_back(Str1); 128 push_back(Str2); 129 } 130 }; 131 } 132 133 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 134 if (Opts.ShowCheckerHelp) 135 Res.push_back("-analyzer-checker-help"); 136 if (Opts.AnalysisStoreOpt != RegionStoreModel) 137 Res.push_back("-analyzer-store", 138 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 139 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 140 Res.push_back("-analyzer-constraints", 141 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 142 if (Opts.AnalysisDiagOpt != PD_HTML) 143 Res.push_back("-analyzer-output", 144 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 145 if (Opts.AnalysisPurgeOpt != PurgeStmt) 146 Res.push_back("-analyzer-purge", 147 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 148 if (!Opts.AnalyzeSpecificFunction.empty()) 149 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 150 if (Opts.IPAMode != Inlining) 151 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 152 if (Opts.InliningMode != NoRedundancy) 153 Res.push_back("-analyzer-inlining-mode", 154 getAnalysisInliningModeName(Opts.InliningMode)); 155 156 if (Opts.AnalyzeAll) 157 Res.push_back("-analyzer-opt-analyze-headers"); 158 if (Opts.AnalyzerDisplayProgress) 159 Res.push_back("-analyzer-display-progress"); 160 if (Opts.AnalyzeNestedBlocks) 161 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 162 if (Opts.EagerlyAssume) 163 Res.push_back("-analyzer-eagerly-assume"); 164 if (Opts.TrimGraph) 165 Res.push_back("-trim-egraph"); 166 if (Opts.VisualizeEGDot) 167 Res.push_back("-analyzer-viz-egraph-graphviz"); 168 if (Opts.VisualizeEGUbi) 169 Res.push_back("-analyzer-viz-egraph-ubigraph"); 170 if (Opts.NoRetryExhausted) 171 Res.push_back("-analyzer-disable-retry-exhausted"); 172 173 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 174 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 175 if (opt.second) 176 Res.push_back("-analyzer-disable-checker"); 177 else 178 Res.push_back("-analyzer-checker"); 179 Res.push_back(opt.first); 180 } 181 } 182 183 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 184 switch (Opts.DebugInfo) { 185 case CodeGenOptions::NoDebugInfo: 186 break; 187 case CodeGenOptions::DebugLineTablesOnly: 188 Res.push_back("-gline-tables-only"); 189 break; 190 case CodeGenOptions::LimitedDebugInfo: 191 Res.push_back("-g"); 192 Res.push_back("-flimit-debug-info"); 193 break; 194 case CodeGenOptions::FullDebugInfo: 195 Res.push_back("-g"); 196 Res.push_back("-fno-limit-debug-info"); 197 break; 198 } 199 if (Opts.DisableLLVMOpts) 200 Res.push_back("-disable-llvm-optzns"); 201 if (Opts.DisableRedZone) 202 Res.push_back("-disable-red-zone"); 203 if (Opts.DisableTailCalls) 204 Res.push_back("-mdisable-tail-calls"); 205 if (!Opts.DebugCompilationDir.empty()) 206 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 207 if (!Opts.DwarfDebugFlags.empty()) 208 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 209 if (Opts.EmitGcovArcs) 210 Res.push_back("-femit-coverage-data"); 211 if (Opts.EmitGcovNotes) 212 Res.push_back("-femit-coverage-notes"); 213 if (!Opts.MergeAllConstants) 214 Res.push_back("-fno-merge-all-constants"); 215 if (Opts.NoCommon) 216 Res.push_back("-fno-common"); 217 if (Opts.ForbidGuardVariables) 218 Res.push_back("-fforbid-guard-variables"); 219 if (Opts.UseRegisterSizedBitfieldAccess) 220 Res.push_back("-fuse-register-sized-bitfield-access"); 221 if (Opts.NoImplicitFloat) 222 Res.push_back("-no-implicit-float"); 223 if (Opts.OmitLeafFramePointer) 224 Res.push_back("-momit-leaf-frame-pointer"); 225 if (Opts.OptimizeSize) { 226 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 227 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 228 } else if (Opts.OptimizationLevel != 0) 229 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 230 if (!Opts.MainFileName.empty()) 231 Res.push_back("-main-file-name", Opts.MainFileName); 232 if (Opts.NoInfsFPMath) 233 Res.push_back("-menable-no-infinities"); 234 if (Opts.NoNaNsFPMath) 235 Res.push_back("-menable-no-nans"); 236 // SimplifyLibCalls is only derived. 237 // TimePasses is only derived. 238 // UnitAtATime is unused. 239 // Inlining is only derived. 240 241 // UnrollLoops is derived, but also accepts an option, no 242 // harm in pushing it back here. 243 if (Opts.UnrollLoops) 244 Res.push_back("-funroll-loops"); 245 if (Opts.DataSections) 246 Res.push_back("-fdata-sections"); 247 if (Opts.FunctionSections) 248 Res.push_back("-ffunction-sections"); 249 if (Opts.AsmVerbose) 250 Res.push_back("-masm-verbose"); 251 if (!Opts.CodeModel.empty()) 252 Res.push_back("-mcode-model", Opts.CodeModel); 253 if (Opts.CUDAIsDevice) 254 Res.push_back("-fcuda-is-device"); 255 if (!Opts.CXAAtExit) 256 Res.push_back("-fno-use-cxa-atexit"); 257 if (Opts.CXXCtorDtorAliases) 258 Res.push_back("-mconstructor-aliases"); 259 if (Opts.ObjCAutoRefCountExceptions) 260 Res.push_back("-fobjc-arc-eh"); 261 if (!Opts.DebugPass.empty()) { 262 Res.push_back("-mdebug-pass", Opts.DebugPass); 263 } 264 if (Opts.DisableFPElim) 265 Res.push_back("-mdisable-fp-elim"); 266 if (!Opts.FloatABI.empty()) 267 Res.push_back("-mfloat-abi", Opts.FloatABI); 268 if (!Opts.LimitFloatPrecision.empty()) 269 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 270 if (Opts.NoZeroInitializedInBSS) 271 Res.push_back("-mno-zero-initialized-bss"); 272 switch (Opts.getObjCDispatchMethod()) { 273 case CodeGenOptions::Legacy: 274 break; 275 case CodeGenOptions::Mixed: 276 Res.push_back("-fobjc-dispatch-method=mixed"); 277 break; 278 case CodeGenOptions::NonLegacy: 279 Res.push_back("-fobjc-dispatch-method=non-legacy"); 280 break; 281 } 282 if (Opts.BoundsChecking > 0) 283 Res.push_back("-fbounds-checking=" + llvm::utostr(Opts.BoundsChecking)); 284 if (Opts.NumRegisterParameters) 285 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 286 if (Opts.NoGlobalMerge) 287 Res.push_back("-mno-global-merge"); 288 if (Opts.NoExecStack) 289 Res.push_back("-mnoexecstack"); 290 if (Opts.RelaxAll) 291 Res.push_back("-mrelax-all"); 292 if (Opts.SaveTempLabels) 293 Res.push_back("-msave-temp-labels"); 294 if (Opts.NoDwarf2CFIAsm) 295 Res.push_back("-fno-dwarf2-cfi-asm"); 296 if (Opts.NoDwarfDirectoryAsm) 297 Res.push_back("-fno-dwarf-directory-asm"); 298 if (Opts.SoftFloat) 299 Res.push_back("-msoft-float"); 300 if (Opts.StrictEnums) 301 Res.push_back("-fstrict-enums"); 302 if (Opts.UnwindTables) 303 Res.push_back("-munwind-tables"); 304 if (Opts.RelocationModel != "pic") 305 Res.push_back("-mrelocation-model", Opts.RelocationModel); 306 if (!Opts.VerifyModule) 307 Res.push_back("-disable-llvm-verifier"); 308 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 309 Res.push_back("-backend-option", Opts.BackendOptions[i]); 310 311 switch (Opts.DefaultTLSModel) { 312 case CodeGenOptions::GeneralDynamicTLSModel: 313 break; 314 case CodeGenOptions::LocalDynamicTLSModel: 315 Res.push_back("-ftls-model=local-dynamic"); 316 break; 317 case CodeGenOptions::InitialExecTLSModel: 318 Res.push_back("-ftls-model=initial-exec"); 319 break; 320 case CodeGenOptions::LocalExecTLSModel: 321 Res.push_back("-ftls-model=local-exec"); 322 break; 323 } 324 } 325 326 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 327 ToArgsList &Res) { 328 if (Opts.IncludeSystemHeaders) 329 Res.push_back("-sys-header-deps"); 330 if (Opts.ShowHeaderIncludes) 331 Res.push_back("-H"); 332 if (!Opts.HeaderIncludeOutputFile.empty()) 333 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 334 if (Opts.UsePhonyTargets) 335 Res.push_back("-MP"); 336 if (!Opts.OutputFile.empty()) 337 Res.push_back("-dependency-file", Opts.OutputFile); 338 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 339 Res.push_back("-MT", Opts.Targets[i]); 340 } 341 342 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 343 ToArgsList &Res) { 344 if (Opts.IgnoreWarnings) 345 Res.push_back("-w"); 346 if (Opts.NoRewriteMacros) 347 Res.push_back("-Wno-rewrite-macros"); 348 if (Opts.Pedantic) 349 Res.push_back("-pedantic"); 350 if (Opts.PedanticErrors) 351 Res.push_back("-pedantic-errors"); 352 if (!Opts.ShowColumn) 353 Res.push_back("-fno-show-column"); 354 if (!Opts.ShowLocation) 355 Res.push_back("-fno-show-source-location"); 356 if (!Opts.ShowCarets) 357 Res.push_back("-fno-caret-diagnostics"); 358 if (!Opts.ShowFixits) 359 Res.push_back("-fno-diagnostics-fixit-info"); 360 if (Opts.ShowSourceRanges) 361 Res.push_back("-fdiagnostics-print-source-range-info"); 362 if (Opts.ShowParseableFixits) 363 Res.push_back("-fdiagnostics-parseable-fixits"); 364 if (Opts.ShowColors) 365 Res.push_back("-fcolor-diagnostics"); 366 if (Opts.VerifyDiagnostics) 367 Res.push_back("-verify"); 368 if (Opts.ShowOptionNames) 369 Res.push_back("-fdiagnostics-show-option"); 370 if (Opts.ShowCategories == 1) 371 Res.push_back("-fdiagnostics-show-category=id"); 372 else if (Opts.ShowCategories == 2) 373 Res.push_back("-fdiagnostics-show-category=name"); 374 switch (Opts.Format) { 375 case DiagnosticOptions::Clang: 376 Res.push_back("-fdiagnostics-format=clang"); break; 377 case DiagnosticOptions::Msvc: 378 Res.push_back("-fdiagnostics-format=msvc"); break; 379 case DiagnosticOptions::Vi: 380 Res.push_back("-fdiagnostics-format=vi"); break; 381 } 382 if (Opts.ErrorLimit) 383 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 384 if (!Opts.DiagnosticLogFile.empty()) 385 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 386 if (Opts.MacroBacktraceLimit 387 != DiagnosticOptions::DefaultMacroBacktraceLimit) 388 Res.push_back("-fmacro-backtrace-limit", 389 llvm::utostr(Opts.MacroBacktraceLimit)); 390 if (Opts.TemplateBacktraceLimit 391 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 392 Res.push_back("-ftemplate-backtrace-limit", 393 llvm::utostr(Opts.TemplateBacktraceLimit)); 394 if (Opts.ConstexprBacktraceLimit 395 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 396 Res.push_back("-fconstexpr-backtrace-limit", 397 llvm::utostr(Opts.ConstexprBacktraceLimit)); 398 399 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 400 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 401 if (Opts.MessageLength) 402 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 403 if (!Opts.DumpBuildInformation.empty()) 404 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 405 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 406 Res.push_back("-W" + Opts.Warnings[i]); 407 } 408 409 static const char *getInputKindName(InputKind Kind) { 410 switch (Kind) { 411 case IK_None: break; 412 case IK_AST: return "ast"; 413 case IK_Asm: return "assembler-with-cpp"; 414 case IK_C: return "c"; 415 case IK_CXX: return "c++"; 416 case IK_LLVM_IR: return "ir"; 417 case IK_ObjC: return "objective-c"; 418 case IK_ObjCXX: return "objective-c++"; 419 case IK_OpenCL: return "cl"; 420 case IK_CUDA: return "cuda"; 421 case IK_PreprocessedC: return "cpp-output"; 422 case IK_PreprocessedCXX: return "c++-cpp-output"; 423 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 424 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 425 } 426 427 llvm_unreachable("Unexpected language kind!"); 428 } 429 430 static const char *getActionName(frontend::ActionKind Kind) { 431 switch (Kind) { 432 case frontend::PluginAction: 433 llvm_unreachable("Invalid kind!"); 434 435 case frontend::ASTDump: return "-ast-dump"; 436 case frontend::ASTDumpXML: return "-ast-dump-xml"; 437 case frontend::ASTPrint: return "-ast-print"; 438 case frontend::ASTView: return "-ast-view"; 439 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 440 case frontend::DumpTokens: return "-dump-tokens"; 441 case frontend::EmitAssembly: return "-S"; 442 case frontend::EmitBC: return "-emit-llvm-bc"; 443 case frontend::EmitHTML: return "-emit-html"; 444 case frontend::EmitLLVM: return "-emit-llvm"; 445 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 446 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 447 case frontend::EmitObj: return "-emit-obj"; 448 case frontend::FixIt: return "-fixit"; 449 case frontend::GenerateModule: return "-emit-module"; 450 case frontend::GeneratePCH: return "-emit-pch"; 451 case frontend::GeneratePTH: return "-emit-pth"; 452 case frontend::InitOnly: return "-init-only"; 453 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 454 case frontend::PrintDeclContext: return "-print-decl-contexts"; 455 case frontend::PrintPreamble: return "-print-preamble"; 456 case frontend::PrintPreprocessedInput: return "-E"; 457 case frontend::RewriteMacros: return "-rewrite-macros"; 458 case frontend::RewriteObjC: return "-rewrite-objc"; 459 case frontend::RewriteTest: return "-rewrite-test"; 460 case frontend::RunAnalysis: return "-analyze"; 461 case frontend::MigrateSource: return "-migrate"; 462 case frontend::RunPreprocessorOnly: return "-Eonly"; 463 } 464 465 llvm_unreachable("Unexpected language kind!"); 466 } 467 468 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 469 if (!Opts.WorkingDir.empty()) 470 Res.push_back("-working-directory", Opts.WorkingDir); 471 } 472 473 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 474 if (Opts.DisableFree) 475 Res.push_back("-disable-free"); 476 if (Opts.RelocatablePCH) 477 Res.push_back("-relocatable-pch"); 478 if (Opts.ShowHelp) 479 Res.push_back("-help"); 480 if (Opts.ShowMacrosInCodeCompletion) 481 Res.push_back("-code-completion-macros"); 482 if (Opts.ShowCodePatternsInCodeCompletion) 483 Res.push_back("-code-completion-patterns"); 484 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 485 Res.push_back("-no-code-completion-globals"); 486 if (Opts.ShowStats) 487 Res.push_back("-print-stats"); 488 if (Opts.ShowTimers) 489 Res.push_back("-ftime-report"); 490 if (Opts.ShowVersion) 491 Res.push_back("-version"); 492 if (Opts.FixWhatYouCan) 493 Res.push_back("-fix-what-you-can"); 494 if (Opts.FixOnlyWarnings) 495 Res.push_back("-fix-only-warnings"); 496 if (Opts.FixAndRecompile) 497 Res.push_back("-fixit-recompile"); 498 if (Opts.FixToTemporaries) 499 Res.push_back("-fixit-to-temporary"); 500 switch (Opts.ARCMTAction) { 501 case FrontendOptions::ARCMT_None: 502 break; 503 case FrontendOptions::ARCMT_Check: 504 Res.push_back("-arcmt-check"); 505 break; 506 case FrontendOptions::ARCMT_Modify: 507 Res.push_back("-arcmt-modify"); 508 break; 509 case FrontendOptions::ARCMT_Migrate: 510 Res.push_back("-arcmt-migrate"); 511 break; 512 } 513 if (!Opts.MTMigrateDir.empty()) 514 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 515 if (!Opts.ARCMTMigrateReportOut.empty()) 516 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 517 if (Opts.ARCMTMigrateEmitARCErrors) 518 Res.push_back("-arcmt-migrate-emit-errors"); 519 520 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 521 Res.push_back("-objcmt-migrate-literals"); 522 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 523 Res.push_back("-objcmt-migrate-subscripting"); 524 525 bool NeedLang = false; 526 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 527 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 528 Opts.Inputs[i].Kind) 529 NeedLang = true; 530 if (NeedLang) 531 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 532 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 533 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 534 "Unable to represent this input vector!"); 535 Res.push_back(Opts.Inputs[i].File); 536 } 537 538 if (!Opts.OutputFile.empty()) 539 Res.push_back("-o", Opts.OutputFile); 540 if (!Opts.CodeCompletionAt.FileName.empty()) 541 Res.push_back("-code-completion-at", 542 Opts.CodeCompletionAt.FileName + ":" + 543 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 544 llvm::utostr(Opts.CodeCompletionAt.Column)); 545 if (Opts.ProgramAction != frontend::PluginAction) 546 Res.push_back(getActionName(Opts.ProgramAction)); 547 if (!Opts.ActionName.empty()) { 548 Res.push_back("-plugin", Opts.ActionName); 549 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 550 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 551 } 552 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 553 Res.push_back("-load", Opts.Plugins[i]); 554 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 555 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 556 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 557 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 558 Opts.AddPluginArgs[i][ai]); 559 } 560 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 561 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 562 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 563 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 564 if (!Opts.OverrideRecordLayoutsFile.empty()) 565 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 566 } 567 568 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 569 ToArgsList &Res) { 570 if (Opts.Sysroot != "/") { 571 Res.push_back("-isysroot"); 572 Res.push_back(Opts.Sysroot); 573 } 574 575 /// User specified include entries. 576 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 577 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 578 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 579 llvm::report_fatal_error("Invalid option set!"); 580 if (E.IsUserSupplied) { 581 switch (E.Group) { 582 case frontend::After: 583 Res.push_back("-idirafter"); 584 break; 585 586 case frontend::Quoted: 587 Res.push_back("-iquote"); 588 break; 589 590 case frontend::System: 591 Res.push_back("-isystem"); 592 break; 593 594 case frontend::IndexHeaderMap: 595 Res.push_back("-index-header-map"); 596 Res.push_back(E.IsFramework? "-F" : "-I"); 597 break; 598 599 case frontend::CSystem: 600 Res.push_back("-c-isystem"); 601 break; 602 603 case frontend::CXXSystem: 604 Res.push_back("-cxx-isystem"); 605 break; 606 607 case frontend::ObjCSystem: 608 Res.push_back("-objc-isystem"); 609 break; 610 611 case frontend::ObjCXXSystem: 612 Res.push_back("-objcxx-isystem"); 613 break; 614 615 case frontend::Angled: 616 Res.push_back(E.IsFramework ? "-F" : "-I"); 617 break; 618 } 619 } else { 620 if (E.IsInternal) { 621 assert(E.Group == frontend::System && "Unexpected header search group"); 622 if (E.ImplicitExternC) 623 Res.push_back("-internal-externc-isystem"); 624 else 625 Res.push_back("-internal-isystem"); 626 } else { 627 if (E.Group != frontend::Angled && E.Group != frontend::System) 628 llvm::report_fatal_error("Invalid option set!"); 629 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 630 "-iwithprefix"); 631 } 632 } 633 Res.push_back(E.Path); 634 } 635 636 /// User-specified system header prefixes. 637 for (unsigned i = 0, e = Opts.SystemHeaderPrefixes.size(); i != e; ++i) { 638 if (Opts.SystemHeaderPrefixes[i].IsSystemHeader) 639 Res.push_back("-isystem-prefix"); 640 else 641 Res.push_back("-ino-system-prefix"); 642 643 Res.push_back(Opts.SystemHeaderPrefixes[i].Prefix); 644 } 645 646 if (!Opts.ResourceDir.empty()) 647 Res.push_back("-resource-dir", Opts.ResourceDir); 648 if (!Opts.ModuleCachePath.empty()) 649 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 650 if (!Opts.UseStandardSystemIncludes) 651 Res.push_back("-nostdsysteminc"); 652 if (!Opts.UseStandardCXXIncludes) 653 Res.push_back("-nostdinc++"); 654 if (Opts.UseLibcxx) 655 Res.push_back("-stdlib=libc++"); 656 if (Opts.Verbose) 657 Res.push_back("-v"); 658 } 659 660 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 661 LangOptions DefaultLangOpts; 662 663 // FIXME: Need to set -std to get all the implicit options. 664 665 // FIXME: We want to only pass options relative to the defaults, which 666 // requires constructing a target. :( 667 // 668 // It would be better to push the all target specific choices into the driver, 669 // so that everything below that was more uniform. 670 671 if (Opts.Trigraphs) 672 Res.push_back("-trigraphs"); 673 // Implicit based on the input kind: 674 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 675 // Implicit based on the input language standard: 676 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 677 if (Opts.DollarIdents) 678 Res.push_back("-fdollars-in-identifiers"); 679 if (Opts.GNUMode && !Opts.GNUKeywords) 680 Res.push_back("-fno-gnu-keywords"); 681 if (!Opts.GNUMode && Opts.GNUKeywords) 682 Res.push_back("-fgnu-keywords"); 683 if (Opts.MicrosoftExt) 684 Res.push_back("-fms-extensions"); 685 if (Opts.MicrosoftMode) 686 Res.push_back("-fms-compatibility"); 687 if (Opts.MSCVersion != 0) 688 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 689 if (Opts.Borland) 690 Res.push_back("-fborland-extensions"); 691 if (Opts.ObjCDefaultSynthProperties) 692 Res.push_back("-fobjc-default-synthesize-properties"); 693 // NoInline is implicit. 694 if (!Opts.CXXOperatorNames) 695 Res.push_back("-fno-operator-names"); 696 if (Opts.PascalStrings) 697 Res.push_back("-fpascal-strings"); 698 if (Opts.CatchUndefined) 699 Res.push_back("-fcatch-undefined-behavior"); 700 if (Opts.AddressSanitizer) 701 Res.push_back("-faddress-sanitizer"); 702 if (Opts.ThreadSanitizer) 703 Res.push_back("-fthread-sanitizer"); 704 if (Opts.WritableStrings) 705 Res.push_back("-fwritable-strings"); 706 if (Opts.ConstStrings) 707 Res.push_back("-fconst-strings"); 708 if (!Opts.LaxVectorConversions) 709 Res.push_back("-fno-lax-vector-conversions"); 710 if (Opts.AltiVec) 711 Res.push_back("-faltivec"); 712 if (Opts.Exceptions) 713 Res.push_back("-fexceptions"); 714 if (Opts.ObjCExceptions) 715 Res.push_back("-fobjc-exceptions"); 716 if (Opts.CXXExceptions) 717 Res.push_back("-fcxx-exceptions"); 718 if (Opts.SjLjExceptions) 719 Res.push_back("-fsjlj-exceptions"); 720 if (Opts.TraditionalCPP) 721 Res.push_back("-traditional-cpp"); 722 if (!Opts.RTTI) 723 Res.push_back("-fno-rtti"); 724 if (Opts.MSBitfields) 725 Res.push_back("-mms-bitfields"); 726 if (Opts.Freestanding) 727 Res.push_back("-ffreestanding"); 728 if (Opts.NoBuiltin) 729 Res.push_back("-fno-builtin"); 730 if (!Opts.AssumeSaneOperatorNew) 731 Res.push_back("-fno-assume-sane-operator-new"); 732 if (!Opts.ThreadsafeStatics) 733 Res.push_back("-fno-threadsafe-statics"); 734 if (Opts.POSIXThreads) 735 Res.push_back("-pthread"); 736 if (Opts.Blocks) 737 Res.push_back("-fblocks"); 738 if (Opts.BlocksRuntimeOptional) 739 Res.push_back("-fblocks-runtime-optional"); 740 if (Opts.Modules) 741 Res.push_back("-fmodules"); 742 if (Opts.EmitAllDecls) 743 Res.push_back("-femit-all-decls"); 744 if (Opts.MathErrno) 745 Res.push_back("-fmath-errno"); 746 switch (Opts.getSignedOverflowBehavior()) { 747 case LangOptions::SOB_Undefined: break; 748 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 749 case LangOptions::SOB_Trapping: 750 Res.push_back("-ftrapv"); 751 if (!Opts.OverflowHandler.empty()) 752 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 753 break; 754 } 755 if (Opts.HeinousExtensions) 756 Res.push_back("-fheinous-gnu-extensions"); 757 // Optimize is implicit. 758 // OptimizeSize is implicit. 759 if (Opts.FastMath) 760 Res.push_back("-ffast-math"); 761 if (Opts.Static) 762 Res.push_back("-static-define"); 763 if (Opts.DumpRecordLayoutsSimple) 764 Res.push_back("-fdump-record-layouts-simple"); 765 else if (Opts.DumpRecordLayouts) 766 Res.push_back("-fdump-record-layouts"); 767 if (Opts.DumpVTableLayouts) 768 Res.push_back("-fdump-vtable-layouts"); 769 if (Opts.NoBitFieldTypeAlign) 770 Res.push_back("-fno-bitfield-type-alignment"); 771 if (Opts.PICLevel) 772 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 773 if (Opts.PIELevel) 774 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 775 if (Opts.ObjCGCBitmapPrint) 776 Res.push_back("-print-ivar-layout"); 777 if (Opts.NoConstantCFStrings) 778 Res.push_back("-fno-constant-cfstrings"); 779 if (!Opts.AccessControl) 780 Res.push_back("-fno-access-control"); 781 if (!Opts.CharIsSigned) 782 Res.push_back("-fno-signed-char"); 783 if (Opts.ShortWChar) 784 Res.push_back("-fshort-wchar"); 785 if (!Opts.ElideConstructors) 786 Res.push_back("-fno-elide-constructors"); 787 if (Opts.getGC() != LangOptions::NonGC) { 788 if (Opts.getGC() == LangOptions::HybridGC) { 789 Res.push_back("-fobjc-gc"); 790 } else { 791 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 792 Res.push_back("-fobjc-gc-only"); 793 } 794 } 795 Res.push_back("-fobjc-runtime=" + Opts.ObjCRuntime.getAsString()); 796 if (Opts.ObjCAutoRefCount) 797 Res.push_back("-fobjc-arc"); 798 if (Opts.ObjCRuntimeHasWeak) 799 Res.push_back("-fobjc-runtime-has-weak"); 800 if (!Opts.ObjCInferRelatedResultType) 801 Res.push_back("-fno-objc-infer-related-result-type"); 802 803 if (Opts.AppleKext) 804 Res.push_back("-fapple-kext"); 805 806 if (Opts.getVisibilityMode() != DefaultVisibility) { 807 Res.push_back("-fvisibility"); 808 if (Opts.getVisibilityMode() == HiddenVisibility) { 809 Res.push_back("hidden"); 810 } else { 811 assert(Opts.getVisibilityMode() == ProtectedVisibility && 812 "Invalid visibility!"); 813 Res.push_back("protected"); 814 } 815 } 816 if (Opts.InlineVisibilityHidden) 817 Res.push_back("-fvisibility-inlines-hidden"); 818 819 if (Opts.getStackProtector() != 0) 820 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 821 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 822 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 823 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 824 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 825 if (!Opts.ObjCConstantStringClass.empty()) 826 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 827 if (Opts.FakeAddressSpaceMap) 828 Res.push_back("-ffake-address-space-map"); 829 if (Opts.ParseUnknownAnytype) 830 Res.push_back("-funknown-anytype"); 831 if (Opts.DebuggerSupport) 832 Res.push_back("-fdebugger-support"); 833 if (Opts.DebuggerCastResultToId) 834 Res.push_back("-fdebugger-cast-result-to-id"); 835 if (Opts.DebuggerObjCLiteral) 836 Res.push_back("-fdebugger-objc-literal"); 837 if (Opts.DelayedTemplateParsing) 838 Res.push_back("-fdelayed-template-parsing"); 839 if (Opts.Deprecated) 840 Res.push_back("-fdeprecated-macro"); 841 if (Opts.ApplePragmaPack) 842 Res.push_back("-fapple-pragma-pack"); 843 if (!Opts.CurrentModule.empty()) 844 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 845 } 846 847 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 848 ToArgsList &Res) { 849 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 850 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 851 Opts.Macros[i].first); 852 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 853 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 854 Res.push_back("-include", Opts.Includes[i]); 855 } 856 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 857 Res.push_back("-imacros", Opts.MacroIncludes[i]); 858 if (!Opts.UsePredefines) 859 Res.push_back("-undef"); 860 if (Opts.DetailedRecord) 861 Res.push_back("-detailed-preprocessing-record"); 862 if (!Opts.ImplicitPCHInclude.empty()) 863 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 864 if (!Opts.ImplicitPTHInclude.empty()) 865 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 866 if (!Opts.TokenCache.empty()) { 867 if (Opts.ImplicitPTHInclude.empty()) 868 Res.push_back("-token-cache", Opts.TokenCache); 869 else 870 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 871 "Unsupported option combination!"); 872 } 873 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 874 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 875 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 876 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 877 Opts.RemappedFiles[i].second); 878 } 879 } 880 881 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 882 ToArgsList &Res) { 883 if (!Opts.ShowCPP && !Opts.ShowMacros) 884 llvm::report_fatal_error("Invalid option combination!"); 885 886 if (Opts.ShowCPP && Opts.ShowMacros) 887 Res.push_back("-dD"); 888 else if (!Opts.ShowCPP && Opts.ShowMacros) 889 Res.push_back("-dM"); 890 891 if (!Opts.ShowLineMarkers) 892 Res.push_back("-P"); 893 if (Opts.ShowComments) 894 Res.push_back("-C"); 895 if (Opts.ShowMacroComments) 896 Res.push_back("-CC"); 897 } 898 899 static void TargetOptsToArgs(const TargetOptions &Opts, 900 ToArgsList &Res) { 901 Res.push_back("-triple"); 902 Res.push_back(Opts.Triple); 903 if (!Opts.CPU.empty()) 904 Res.push_back("-target-cpu", Opts.CPU); 905 if (!Opts.ABI.empty()) 906 Res.push_back("-target-abi", Opts.ABI); 907 if (!Opts.LinkerVersion.empty()) 908 Res.push_back("-target-linker-version", Opts.LinkerVersion); 909 if (!Opts.CXXABI.empty()) 910 Res.push_back("-cxx-abi", Opts.CXXABI); 911 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 912 Res.push_back("-target-feature", Opts.Features[i]); 913 } 914 915 void CompilerInvocation::toArgs(std::vector<std::string> &Res) const { 916 ToArgsList List(Res); 917 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 918 CodeGenOptsToArgs(getCodeGenOpts(), List); 919 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 920 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 921 FileSystemOptsToArgs(getFileSystemOpts(), List); 922 FrontendOptsToArgs(getFrontendOpts(), List); 923 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 924 LangOptsToArgs(*getLangOpts(), List); 925 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 926 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 927 TargetOptsToArgs(getTargetOpts(), List); 928 } 929 930 //===----------------------------------------------------------------------===// 931 // Deserialization (to args) 932 //===----------------------------------------------------------------------===// 933 934 using namespace clang::driver; 935 using namespace clang::driver::options; 936 937 // 938 939 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 940 DiagnosticsEngine &Diags) { 941 unsigned DefaultOpt = 0; 942 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 943 DefaultOpt = 2; 944 945 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 946 if (A->getOption().matches(options::OPT_O0)) 947 return 0; 948 949 assert (A->getOption().matches(options::OPT_O)); 950 951 llvm::StringRef S(A->getValue(Args)); 952 if (S == "s" || S == "z" || S.empty()) 953 return 2; 954 955 return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 956 } 957 958 return DefaultOpt; 959 } 960 961 static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, 962 DiagnosticsEngine &Diags) { 963 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 964 if (A->getOption().matches(options::OPT_O)) { 965 switch (A->getValue(Args)[0]) { 966 default: 967 return 0; 968 case 's': 969 return 1; 970 case 'z': 971 return 2; 972 } 973 } 974 } 975 return 0; 976 } 977 978 static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { 979 for (arg_iterator I = Args.filtered_begin(OPT_W_Group), 980 E = Args.filtered_end(); I != E; ++I) { 981 Arg *A = *I; 982 // If the argument is a pure flag, add its name (minus the "-W" at the beginning) 983 // to the warning list. Else, add its value (for the OPT_W case). 984 if (A->getOption().getKind() == Option::FlagClass) { 985 Warnings.push_back(A->getOption().getName().substr(2)); 986 } else { 987 for (unsigned Idx = 0, End = A->getNumValues(); 988 Idx < End; ++Idx) { 989 StringRef V = A->getValue(Args, Idx); 990 // "-Wl," and such are not warning options. 991 // FIXME: Should be handled by putting these in separate flags. 992 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 993 continue; 994 995 Warnings.push_back(V); 996 } 997 } 998 } 999 } 1000 1001 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 1002 DiagnosticsEngine &Diags) { 1003 using namespace options; 1004 bool Success = true; 1005 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 1006 StringRef Name = A->getValue(Args); 1007 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 1008 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 1009 .Case(CMDFLAG, NAME##Model) 1010 #include "clang/Frontend/Analyses.def" 1011 .Default(NumStores); 1012 if (Value == NumStores) { 1013 Diags.Report(diag::err_drv_invalid_value) 1014 << A->getAsString(Args) << Name; 1015 Success = false; 1016 } else { 1017 Opts.AnalysisStoreOpt = Value; 1018 } 1019 } 1020 1021 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 1022 StringRef Name = A->getValue(Args); 1023 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 1024 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 1025 .Case(CMDFLAG, NAME##Model) 1026 #include "clang/Frontend/Analyses.def" 1027 .Default(NumConstraints); 1028 if (Value == NumConstraints) { 1029 Diags.Report(diag::err_drv_invalid_value) 1030 << A->getAsString(Args) << Name; 1031 Success = false; 1032 } else { 1033 Opts.AnalysisConstraintsOpt = Value; 1034 } 1035 } 1036 1037 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1038 StringRef Name = A->getValue(Args); 1039 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1040 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1041 .Case(CMDFLAG, PD_##NAME) 1042 #include "clang/Frontend/Analyses.def" 1043 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1044 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1045 Diags.Report(diag::err_drv_invalid_value) 1046 << A->getAsString(Args) << Name; 1047 Success = false; 1048 } else { 1049 Opts.AnalysisDiagOpt = Value; 1050 } 1051 } 1052 1053 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1054 StringRef Name = A->getValue(Args); 1055 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1056 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1057 .Case(CMDFLAG, NAME) 1058 #include "clang/Frontend/Analyses.def" 1059 .Default(NumPurgeModes); 1060 if (Value == NumPurgeModes) { 1061 Diags.Report(diag::err_drv_invalid_value) 1062 << A->getAsString(Args) << Name; 1063 Success = false; 1064 } else { 1065 Opts.AnalysisPurgeOpt = Value; 1066 } 1067 } 1068 1069 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 1070 StringRef Name = A->getValue(Args); 1071 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 1072 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 1073 .Case(CMDFLAG, NAME) 1074 #include "clang/Frontend/Analyses.def" 1075 .Default(NumIPAModes); 1076 if (Value == NumIPAModes) { 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << A->getAsString(Args) << Name; 1079 Success = false; 1080 } else { 1081 Opts.IPAMode = Value; 1082 } 1083 } 1084 1085 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1086 StringRef Name = A->getValue(Args); 1087 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1088 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1089 .Case(CMDFLAG, NAME) 1090 #include "clang/Frontend/Analyses.def" 1091 .Default(NumInliningModes); 1092 if (Value == NumInliningModes) { 1093 Diags.Report(diag::err_drv_invalid_value) 1094 << A->getAsString(Args) << Name; 1095 Success = false; 1096 } else { 1097 Opts.InliningMode = Value; 1098 } 1099 } 1100 1101 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1102 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1103 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1104 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1105 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1106 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1107 Opts.AnalyzeNestedBlocks = 1108 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1109 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1110 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1111 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1112 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1113 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1114 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1115 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1116 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1117 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1118 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1119 Opts.InlineMaxStackDepth = 1120 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1121 Opts.InlineMaxStackDepth, Diags); 1122 Opts.InlineMaxFunctionSize = 1123 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1124 Opts.InlineMaxFunctionSize, Diags); 1125 1126 Opts.CheckersControlList.clear(); 1127 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1128 OPT_analyzer_disable_checker), 1129 ie = Args.filtered_end(); it != ie; ++it) { 1130 const Arg *A = *it; 1131 A->claim(); 1132 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1133 // We can have a list of comma separated checker names, e.g: 1134 // '-analyzer-checker=cocoa,unix' 1135 StringRef checkerList = A->getValue(Args); 1136 SmallVector<StringRef, 4> checkers; 1137 checkerList.split(checkers, ","); 1138 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1139 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1140 } 1141 1142 return Success; 1143 } 1144 1145 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1146 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1147 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1148 return true; 1149 } 1150 1151 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1152 DiagnosticsEngine &Diags) { 1153 using namespace options; 1154 bool Success = true; 1155 1156 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1157 if (OptLevel > 3) { 1158 Diags.Report(diag::err_drv_invalid_value) 1159 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1160 OptLevel = 3; 1161 Success = false; 1162 } 1163 Opts.OptimizationLevel = OptLevel; 1164 1165 // We must always run at least the always inlining pass. 1166 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1167 : CodeGenOptions::OnlyAlwaysInlining; 1168 // -fno-inline-functions overrides OptimizationLevel > 1. 1169 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1170 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1171 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1172 1173 if (Args.hasArg(OPT_gline_tables_only)) { 1174 Opts.DebugInfo = CodeGenOptions::DebugLineTablesOnly; 1175 } else if (Args.hasArg(OPT_g_Flag)) { 1176 if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) 1177 Opts.DebugInfo = CodeGenOptions::LimitedDebugInfo; 1178 else 1179 Opts.DebugInfo = CodeGenOptions::FullDebugInfo; 1180 } 1181 1182 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1183 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1184 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1185 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1186 OPT_fuse_register_sized_bitfield_access); 1187 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1188 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1189 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1190 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1191 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1192 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1193 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1194 Args.hasArg(OPT_ffreestanding)); 1195 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1196 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1197 1198 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1199 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1200 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1201 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1202 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1203 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1204 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1205 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1206 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1207 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1208 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1209 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1210 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1211 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1212 Args.hasArg(OPT_cl_finite_math_only)|| 1213 Args.hasArg(OPT_cl_fast_relaxed_math)); 1214 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1215 Args.hasArg(OPT_cl_finite_math_only)|| 1216 Args.hasArg(OPT_cl_fast_relaxed_math)); 1217 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1218 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1219 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1220 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1221 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1222 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1223 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1224 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1225 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1226 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1227 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1228 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1229 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1230 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1231 Args.hasArg(OPT_cl_fast_relaxed_math); 1232 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1233 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1234 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1235 Opts.BoundsChecking = Args.getLastArgIntValue(OPT_fbounds_checking_EQ, 0, 1236 Diags); 1237 Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array); 1238 1239 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1240 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1241 1242 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1243 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1244 1245 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1246 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1247 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1248 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1249 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1250 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1251 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1252 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1253 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1254 StringRef Val = A->getValue(Args); 1255 Val.getAsInteger(10, Opts.StackAlignment); 1256 } 1257 1258 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1259 StringRef Name = A->getValue(Args); 1260 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1261 .Case("legacy", CodeGenOptions::Legacy) 1262 .Case("non-legacy", CodeGenOptions::NonLegacy) 1263 .Case("mixed", CodeGenOptions::Mixed) 1264 .Default(~0U); 1265 if (Method == ~0U) { 1266 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1267 Success = false; 1268 } else { 1269 Opts.ObjCDispatchMethod = Method; 1270 } 1271 } 1272 1273 if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) { 1274 StringRef Name = A->getValue(Args); 1275 unsigned Model = llvm::StringSwitch<unsigned>(Name) 1276 .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel) 1277 .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel) 1278 .Case("initial-exec", CodeGenOptions::InitialExecTLSModel) 1279 .Case("local-exec", CodeGenOptions::LocalExecTLSModel) 1280 .Default(~0U); 1281 if (Model == ~0U) { 1282 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1283 Success = false; 1284 } else { 1285 Opts.DefaultTLSModel = static_cast<CodeGenOptions::TLSModel>(Model); 1286 } 1287 } 1288 1289 return Success; 1290 } 1291 1292 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1293 ArgList &Args) { 1294 using namespace options; 1295 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1296 Opts.Targets = Args.getAllArgValues(OPT_MT); 1297 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1298 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1299 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1300 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1301 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1302 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1303 } 1304 1305 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1306 DiagnosticsEngine *Diags) { 1307 using namespace options; 1308 bool Success = true; 1309 1310 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1311 Opts.DiagnosticSerializationFile = 1312 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1313 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1314 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1315 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1316 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1317 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1318 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1319 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1320 OPT_fno_show_column, 1321 /*Default=*/true); 1322 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1323 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1324 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1325 1326 // Default behavior is to not to show note include stacks. 1327 Opts.ShowNoteIncludeStack = false; 1328 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1329 OPT_fno_diagnostics_show_note_include_stack)) 1330 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1331 Opts.ShowNoteIncludeStack = true; 1332 1333 StringRef ShowOverloads = 1334 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1335 if (ShowOverloads == "best") 1336 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1337 else if (ShowOverloads == "all") 1338 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1339 else { 1340 Success = false; 1341 if (Diags) 1342 Diags->Report(diag::err_drv_invalid_value) 1343 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1344 << ShowOverloads; 1345 } 1346 1347 StringRef ShowCategory = 1348 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1349 if (ShowCategory == "none") 1350 Opts.ShowCategories = 0; 1351 else if (ShowCategory == "id") 1352 Opts.ShowCategories = 1; 1353 else if (ShowCategory == "name") 1354 Opts.ShowCategories = 2; 1355 else { 1356 Success = false; 1357 if (Diags) 1358 Diags->Report(diag::err_drv_invalid_value) 1359 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1360 << ShowCategory; 1361 } 1362 1363 StringRef Format = 1364 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1365 if (Format == "clang") 1366 Opts.Format = DiagnosticOptions::Clang; 1367 else if (Format == "msvc") 1368 Opts.Format = DiagnosticOptions::Msvc; 1369 else if (Format == "vi") 1370 Opts.Format = DiagnosticOptions::Vi; 1371 else { 1372 Success = false; 1373 if (Diags) 1374 Diags->Report(diag::err_drv_invalid_value) 1375 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1376 << Format; 1377 } 1378 1379 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1380 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1381 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1382 Opts.ElideType = !Args.hasArg(OPT_fno_elide_type); 1383 Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree); 1384 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1385 Opts.MacroBacktraceLimit 1386 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1387 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1388 Opts.TemplateBacktraceLimit 1389 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1390 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1391 Diags); 1392 Opts.ConstexprBacktraceLimit 1393 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1394 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1395 Diags); 1396 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1397 DiagnosticOptions::DefaultTabStop, Diags); 1398 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1399 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1400 if (Diags) 1401 Diags->Report(diag::warn_ignoring_ftabstop_value) 1402 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1403 } 1404 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1405 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1406 addWarningArgs(Args, Opts.Warnings); 1407 1408 return Success; 1409 } 1410 1411 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1412 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1413 } 1414 1415 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1416 DiagnosticsEngine &Diags) { 1417 using namespace options; 1418 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1419 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1420 switch (A->getOption().getID()) { 1421 default: 1422 llvm_unreachable("Invalid option in group!"); 1423 case OPT_ast_dump: 1424 Opts.ProgramAction = frontend::ASTDump; break; 1425 case OPT_ast_dump_xml: 1426 Opts.ProgramAction = frontend::ASTDumpXML; break; 1427 case OPT_ast_print: 1428 Opts.ProgramAction = frontend::ASTPrint; break; 1429 case OPT_ast_view: 1430 Opts.ProgramAction = frontend::ASTView; break; 1431 case OPT_dump_raw_tokens: 1432 Opts.ProgramAction = frontend::DumpRawTokens; break; 1433 case OPT_dump_tokens: 1434 Opts.ProgramAction = frontend::DumpTokens; break; 1435 case OPT_S: 1436 Opts.ProgramAction = frontend::EmitAssembly; break; 1437 case OPT_emit_llvm_bc: 1438 Opts.ProgramAction = frontend::EmitBC; break; 1439 case OPT_emit_html: 1440 Opts.ProgramAction = frontend::EmitHTML; break; 1441 case OPT_emit_llvm: 1442 Opts.ProgramAction = frontend::EmitLLVM; break; 1443 case OPT_emit_llvm_only: 1444 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1445 case OPT_emit_codegen_only: 1446 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1447 case OPT_emit_obj: 1448 Opts.ProgramAction = frontend::EmitObj; break; 1449 case OPT_fixit_EQ: 1450 Opts.FixItSuffix = A->getValue(Args); 1451 // fall-through! 1452 case OPT_fixit: 1453 Opts.ProgramAction = frontend::FixIt; break; 1454 case OPT_emit_module: 1455 Opts.ProgramAction = frontend::GenerateModule; break; 1456 case OPT_emit_pch: 1457 Opts.ProgramAction = frontend::GeneratePCH; break; 1458 case OPT_emit_pth: 1459 Opts.ProgramAction = frontend::GeneratePTH; break; 1460 case OPT_init_only: 1461 Opts.ProgramAction = frontend::InitOnly; break; 1462 case OPT_fsyntax_only: 1463 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1464 case OPT_print_decl_contexts: 1465 Opts.ProgramAction = frontend::PrintDeclContext; break; 1466 case OPT_print_preamble: 1467 Opts.ProgramAction = frontend::PrintPreamble; break; 1468 case OPT_E: 1469 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1470 case OPT_rewrite_macros: 1471 Opts.ProgramAction = frontend::RewriteMacros; break; 1472 case OPT_rewrite_objc: 1473 Opts.ProgramAction = frontend::RewriteObjC; break; 1474 case OPT_rewrite_test: 1475 Opts.ProgramAction = frontend::RewriteTest; break; 1476 case OPT_analyze: 1477 Opts.ProgramAction = frontend::RunAnalysis; break; 1478 case OPT_migrate: 1479 Opts.ProgramAction = frontend::MigrateSource; break; 1480 case OPT_Eonly: 1481 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1482 } 1483 } 1484 1485 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1486 Opts.Plugins.push_back(A->getValue(Args,0)); 1487 Opts.ProgramAction = frontend::PluginAction; 1488 Opts.ActionName = A->getValue(Args); 1489 1490 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1491 end = Args.filtered_end(); it != end; ++it) { 1492 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1493 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1494 } 1495 } 1496 1497 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1498 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1499 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1500 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1501 end = Args.filtered_end(); it != end; ++it) { 1502 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1503 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1504 } 1505 } 1506 1507 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1508 Opts.CodeCompletionAt = 1509 ParsedSourceLocation::FromString(A->getValue(Args)); 1510 if (Opts.CodeCompletionAt.FileName.empty()) 1511 Diags.Report(diag::err_drv_invalid_value) 1512 << A->getAsString(Args) << A->getValue(Args); 1513 } 1514 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1515 1516 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1517 Opts.Plugins = Args.getAllArgValues(OPT_load); 1518 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1519 Opts.ShowHelp = Args.hasArg(OPT_help); 1520 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1521 Opts.ShowCodePatternsInCodeCompletion 1522 = Args.hasArg(OPT_code_completion_patterns); 1523 Opts.ShowGlobalSymbolsInCodeCompletion 1524 = !Args.hasArg(OPT_no_code_completion_globals); 1525 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1526 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1527 Opts.ShowVersion = Args.hasArg(OPT_version); 1528 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1529 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1530 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1531 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1532 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1533 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1534 Opts.OverrideRecordLayoutsFile 1535 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1536 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1537 OPT_arcmt_modify, 1538 OPT_arcmt_migrate)) { 1539 switch (A->getOption().getID()) { 1540 default: 1541 llvm_unreachable("missed a case"); 1542 case OPT_arcmt_check: 1543 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1544 break; 1545 case OPT_arcmt_modify: 1546 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1547 break; 1548 case OPT_arcmt_migrate: 1549 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1550 break; 1551 } 1552 } 1553 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1554 Opts.ARCMTMigrateReportOut 1555 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1556 Opts.ARCMTMigrateEmitARCErrors 1557 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1558 1559 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1560 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1561 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1562 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1563 1564 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1565 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1566 Diags.Report(diag::err_drv_argument_not_allowed_with) 1567 << "ARC migration" << "ObjC migration"; 1568 } 1569 1570 InputKind DashX = IK_None; 1571 if (const Arg *A = Args.getLastArg(OPT_x)) { 1572 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1573 .Case("c", IK_C) 1574 .Case("cl", IK_OpenCL) 1575 .Case("cuda", IK_CUDA) 1576 .Case("c++", IK_CXX) 1577 .Case("objective-c", IK_ObjC) 1578 .Case("objective-c++", IK_ObjCXX) 1579 .Case("cpp-output", IK_PreprocessedC) 1580 .Case("assembler-with-cpp", IK_Asm) 1581 .Case("c++-cpp-output", IK_PreprocessedCXX) 1582 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1583 .Case("objc-cpp-output", IK_PreprocessedObjC) 1584 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1585 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1586 .Case("c-header", IK_C) 1587 .Case("cl-header", IK_OpenCL) 1588 .Case("objective-c-header", IK_ObjC) 1589 .Case("c++-header", IK_CXX) 1590 .Case("objective-c++-header", IK_ObjCXX) 1591 .Case("ast", IK_AST) 1592 .Case("ir", IK_LLVM_IR) 1593 .Default(IK_None); 1594 if (DashX == IK_None) 1595 Diags.Report(diag::err_drv_invalid_value) 1596 << A->getAsString(Args) << A->getValue(Args); 1597 } 1598 1599 // '-' is the default input if none is given. 1600 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1601 Opts.Inputs.clear(); 1602 if (Inputs.empty()) 1603 Inputs.push_back("-"); 1604 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1605 InputKind IK = DashX; 1606 if (IK == IK_None) { 1607 IK = FrontendOptions::getInputKindForExtension( 1608 StringRef(Inputs[i]).rsplit('.').second); 1609 // FIXME: Remove this hack. 1610 if (i == 0) 1611 DashX = IK; 1612 } 1613 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1614 } 1615 1616 return DashX; 1617 } 1618 1619 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1620 void *MainAddr) { 1621 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1622 1623 if (!P.isEmpty()) { 1624 P.eraseComponent(); // Remove /clang from foo/bin/clang 1625 P.eraseComponent(); // Remove /bin from foo/bin 1626 1627 // Get foo/lib/clang/<version>/include 1628 P.appendComponent("lib"); 1629 P.appendComponent("clang"); 1630 P.appendComponent(CLANG_VERSION_STRING); 1631 } 1632 1633 return P.str(); 1634 } 1635 1636 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1637 using namespace options; 1638 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1639 Opts.Verbose = Args.hasArg(OPT_v); 1640 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1641 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1642 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1643 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1644 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1645 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1646 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1647 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1648 1649 // Add -I..., -F..., and -index-header-map options in order. 1650 bool IsIndexHeaderMap = false; 1651 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1652 OPT_index_header_map), 1653 ie = Args.filtered_end(); it != ie; ++it) { 1654 if ((*it)->getOption().matches(OPT_index_header_map)) { 1655 // -index-header-map applies to the next -I or -F. 1656 IsIndexHeaderMap = true; 1657 continue; 1658 } 1659 1660 frontend::IncludeDirGroup Group 1661 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1662 1663 Opts.AddPath((*it)->getValue(Args), Group, true, 1664 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1665 IsIndexHeaderMap = false; 1666 } 1667 1668 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1669 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1670 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1671 OPT_iwithprefixbefore), 1672 ie = Args.filtered_end(); it != ie; ++it) { 1673 const Arg *A = *it; 1674 if (A->getOption().matches(OPT_iprefix)) 1675 Prefix = A->getValue(Args); 1676 else if (A->getOption().matches(OPT_iwithprefix)) 1677 Opts.AddPath(Prefix.str() + A->getValue(Args), 1678 frontend::System, false, false, false); 1679 else 1680 Opts.AddPath(Prefix.str() + A->getValue(Args), 1681 frontend::Angled, false, false, false); 1682 } 1683 1684 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1685 ie = Args.filtered_end(); it != ie; ++it) 1686 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1687 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1688 ie = Args.filtered_end(); it != ie; ++it) 1689 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1690 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1691 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1692 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1693 !(*it)->getOption().matches(OPT_iwithsysroot)); 1694 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1695 ie = Args.filtered_end(); it != ie; ++it) 1696 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1697 true); 1698 1699 // Add the paths for the various language specific isystem flags. 1700 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1701 ie = Args.filtered_end(); it != ie; ++it) 1702 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1703 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1704 ie = Args.filtered_end(); it != ie; ++it) 1705 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1706 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1707 ie = Args.filtered_end(); it != ie; ++it) 1708 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1709 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1710 ie = Args.filtered_end(); it != ie; ++it) 1711 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1712 true); 1713 1714 // Add the internal paths from a driver that detects standard include paths. 1715 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1716 OPT_internal_externc_isystem), 1717 E = Args.filtered_end(); 1718 I != E; ++I) 1719 Opts.AddPath((*I)->getValue(Args), frontend::System, 1720 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1721 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1722 1723 // Add the path prefixes which are implicitly treated as being system headers. 1724 for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix, 1725 OPT_ino_system_prefix), 1726 E = Args.filtered_end(); 1727 I != E; ++I) 1728 Opts.AddSystemHeaderPrefix((*I)->getValue(Args), 1729 (*I)->getOption().matches(OPT_isystem_prefix)); 1730 } 1731 1732 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1733 LangStandard::Kind LangStd) { 1734 // Set some properties which depend solely on the input kind; it would be nice 1735 // to move these to the language standard, and have the driver resolve the 1736 // input kind + language standard. 1737 if (IK == IK_Asm) { 1738 Opts.AsmPreprocessor = 1; 1739 } else if (IK == IK_ObjC || 1740 IK == IK_ObjCXX || 1741 IK == IK_PreprocessedObjC || 1742 IK == IK_PreprocessedObjCXX) { 1743 Opts.ObjC1 = Opts.ObjC2 = 1; 1744 } 1745 1746 if (LangStd == LangStandard::lang_unspecified) { 1747 // Based on the base language, pick one. 1748 switch (IK) { 1749 case IK_None: 1750 case IK_AST: 1751 case IK_LLVM_IR: 1752 llvm_unreachable("Invalid input kind!"); 1753 case IK_OpenCL: 1754 LangStd = LangStandard::lang_opencl; 1755 break; 1756 case IK_CUDA: 1757 LangStd = LangStandard::lang_cuda; 1758 break; 1759 case IK_Asm: 1760 case IK_C: 1761 case IK_PreprocessedC: 1762 case IK_ObjC: 1763 case IK_PreprocessedObjC: 1764 LangStd = LangStandard::lang_gnu99; 1765 break; 1766 case IK_CXX: 1767 case IK_PreprocessedCXX: 1768 case IK_ObjCXX: 1769 case IK_PreprocessedObjCXX: 1770 LangStd = LangStandard::lang_gnucxx98; 1771 break; 1772 } 1773 } 1774 1775 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1776 Opts.BCPLComment = Std.hasBCPLComments(); 1777 Opts.C99 = Std.isC99(); 1778 Opts.C11 = Std.isC11(); 1779 Opts.CPlusPlus = Std.isCPlusPlus(); 1780 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1781 Opts.Digraphs = Std.hasDigraphs(); 1782 Opts.GNUMode = Std.isGNUMode(); 1783 Opts.GNUInline = !Std.isC99(); 1784 Opts.HexFloats = Std.hasHexFloats(); 1785 Opts.ImplicitInt = Std.hasImplicitInt(); 1786 1787 // Set OpenCL Version. 1788 if (LangStd == LangStandard::lang_opencl) { 1789 Opts.OpenCL = 1; 1790 Opts.OpenCLVersion = 100; 1791 } 1792 else if (LangStd == LangStandard::lang_opencl11) { 1793 Opts.OpenCL = 1; 1794 Opts.OpenCLVersion = 110; 1795 } 1796 else if (LangStd == LangStandard::lang_opencl12) { 1797 Opts.OpenCL = 1; 1798 Opts.OpenCLVersion = 120; 1799 } 1800 1801 // OpenCL has some additional defaults. 1802 if (Opts.OpenCL) { 1803 Opts.AltiVec = 0; 1804 Opts.CXXOperatorNames = 1; 1805 Opts.LaxVectorConversions = 0; 1806 Opts.DefaultFPContract = 1; 1807 } 1808 1809 if (LangStd == LangStandard::lang_cuda) 1810 Opts.CUDA = 1; 1811 1812 // OpenCL and C++ both have bool, true, false keywords. 1813 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1814 1815 Opts.GNUKeywords = Opts.GNUMode; 1816 Opts.CXXOperatorNames = Opts.CPlusPlus; 1817 1818 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1819 // is specified, or -std is set to a conforming mode. 1820 Opts.Trigraphs = !Opts.GNUMode; 1821 1822 Opts.DollarIdents = !Opts.AsmPreprocessor; 1823 } 1824 1825 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1826 DiagnosticsEngine &Diags) { 1827 // FIXME: Cleanup per-file based stuff. 1828 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1829 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1830 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1831 #define LANGSTANDARD(id, name, desc, features) \ 1832 .Case(name, LangStandard::lang_##id) 1833 #include "clang/Frontend/LangStandards.def" 1834 .Default(LangStandard::lang_unspecified); 1835 if (LangStd == LangStandard::lang_unspecified) 1836 Diags.Report(diag::err_drv_invalid_value) 1837 << A->getAsString(Args) << A->getValue(Args); 1838 else { 1839 // Valid standard, check to make sure language and standard are compatable. 1840 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1841 switch (IK) { 1842 case IK_C: 1843 case IK_ObjC: 1844 case IK_PreprocessedC: 1845 case IK_PreprocessedObjC: 1846 if (!(Std.isC89() || Std.isC99())) 1847 Diags.Report(diag::err_drv_argument_not_allowed_with) 1848 << A->getAsString(Args) << "C/ObjC"; 1849 break; 1850 case IK_CXX: 1851 case IK_ObjCXX: 1852 case IK_PreprocessedCXX: 1853 case IK_PreprocessedObjCXX: 1854 if (!Std.isCPlusPlus()) 1855 Diags.Report(diag::err_drv_argument_not_allowed_with) 1856 << A->getAsString(Args) << "C++/ObjC++"; 1857 break; 1858 case IK_OpenCL: 1859 if (!Std.isC99()) 1860 Diags.Report(diag::err_drv_argument_not_allowed_with) 1861 << A->getAsString(Args) << "OpenCL"; 1862 break; 1863 case IK_CUDA: 1864 if (!Std.isCPlusPlus()) 1865 Diags.Report(diag::err_drv_argument_not_allowed_with) 1866 << A->getAsString(Args) << "CUDA"; 1867 break; 1868 default: 1869 break; 1870 } 1871 } 1872 } 1873 1874 // -cl-std only applies for OpenCL language standards. 1875 // Override the -std option in this case. 1876 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1877 LangStandard::Kind OpenCLLangStd 1878 = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1879 .Case("CL", LangStandard::lang_opencl) 1880 .Case("CL1.1", LangStandard::lang_opencl11) 1881 .Case("CL1.2", LangStandard::lang_opencl12) 1882 .Default(LangStandard::lang_unspecified); 1883 1884 if (OpenCLLangStd == LangStandard::lang_unspecified) { 1885 Diags.Report(diag::err_drv_invalid_value) 1886 << A->getAsString(Args) << A->getValue(Args); 1887 } 1888 else 1889 LangStd = OpenCLLangStd; 1890 } 1891 1892 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1893 1894 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1895 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1896 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1897 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1898 // name, as it doesn't seem a useful distinction. 1899 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1900 Opts.GNUKeywords); 1901 1902 if (Args.hasArg(OPT_fno_operator_names)) 1903 Opts.CXXOperatorNames = 0; 1904 1905 if (Opts.ObjC1) { 1906 if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) { 1907 StringRef value = arg->getValue(Args); 1908 if (Opts.ObjCRuntime.tryParse(value)) 1909 Diags.Report(diag::err_drv_unknown_objc_runtime) << value; 1910 } 1911 1912 if (Args.hasArg(OPT_fobjc_gc_only)) 1913 Opts.setGC(LangOptions::GCOnly); 1914 else if (Args.hasArg(OPT_fobjc_gc)) 1915 Opts.setGC(LangOptions::HybridGC); 1916 else if (Args.hasArg(OPT_fobjc_arc)) { 1917 Opts.ObjCAutoRefCount = 1; 1918 if (!Opts.ObjCRuntime.isNonFragile()) 1919 Diags.Report(diag::err_arc_nonfragile_abi); 1920 } 1921 1922 Opts.ObjCRuntimeHasWeak = Opts.ObjCRuntime.hasWeak(); 1923 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1924 Opts.ObjCRuntimeHasWeak = 1; 1925 1926 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1927 Opts.ObjCInferRelatedResultType = 0; 1928 } 1929 1930 if (Args.hasArg(OPT_fgnu89_inline)) 1931 Opts.GNUInline = 1; 1932 1933 if (Args.hasArg(OPT_fapple_kext)) { 1934 if (!Opts.CPlusPlus) 1935 Diags.Report(diag::warn_c_kext); 1936 else 1937 Opts.AppleKext = 1; 1938 } 1939 1940 if (Args.hasArg(OPT_print_ivar_layout)) 1941 Opts.ObjCGCBitmapPrint = 1; 1942 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1943 Opts.NoConstantCFStrings = 1; 1944 1945 if (Args.hasArg(OPT_faltivec)) 1946 Opts.AltiVec = 1; 1947 1948 if (Args.hasArg(OPT_pthread)) 1949 Opts.POSIXThreads = 1; 1950 1951 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1952 Opts.DelayedTemplateParsing = 1; 1953 1954 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1955 if (Vis == "default") 1956 Opts.setVisibilityMode(DefaultVisibility); 1957 else if (Vis == "hidden") 1958 Opts.setVisibilityMode(HiddenVisibility); 1959 else if (Vis == "protected") 1960 // FIXME: diagnose if target does not support protected visibility 1961 Opts.setVisibilityMode(ProtectedVisibility); 1962 else 1963 Diags.Report(diag::err_drv_invalid_value) 1964 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1965 1966 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1967 Opts.InlineVisibilityHidden = 1; 1968 1969 if (Args.hasArg(OPT_ftrapv)) { 1970 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1971 // Set the handler, if one is specified. 1972 Opts.OverflowHandler = 1973 Args.getLastArgValue(OPT_ftrapv_handler); 1974 } 1975 else if (Args.hasArg(OPT_fwrapv)) 1976 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1977 1978 if (Args.hasArg(OPT_trigraphs)) 1979 Opts.Trigraphs = 1; 1980 1981 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1982 OPT_fno_dollars_in_identifiers, 1983 Opts.DollarIdents); 1984 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1985 Opts.MicrosoftExt 1986 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1987 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1988 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1989 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1990 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1991 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1992 Opts.ConstStrings); 1993 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1994 Opts.LaxVectorConversions = 0; 1995 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1996 Opts.ThreadsafeStatics = 0; 1997 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1998 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1999 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 2000 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 2001 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 2002 2003 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 2004 Opts.Blocks = Args.hasArg(OPT_fblocks); 2005 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 2006 Opts.Modules = Args.hasArg(OPT_fmodules); 2007 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 2008 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 2009 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 2010 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 2011 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 2012 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 2013 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 2014 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 2015 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 2016 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 2017 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 2018 Diags); 2019 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 2020 Diags); 2021 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 2022 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, 2023 0, Diags); 2024 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 2025 Opts.ObjCConstantStringClass = 2026 Args.getLastArgValue(OPT_fconstant_string_class); 2027 Opts.ObjCDefaultSynthProperties = 2028 Args.hasArg(OPT_fobjc_default_synthesize_properties); 2029 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 2030 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 2031 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); 2032 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 2033 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 2034 Opts.Static = Args.hasArg(OPT_static_define); 2035 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 2036 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 2037 || Args.hasArg(OPT_fdump_record_layouts); 2038 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 2039 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 2040 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 2041 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 2042 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 2043 Opts.MRTD = Args.hasArg(OPT_mrtd); 2044 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 2045 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 2046 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 2047 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 2048 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 2049 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 2050 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 2051 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 2052 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 2053 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 2054 2055 // Record whether the __DEPRECATED define was requested. 2056 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 2057 OPT_fno_deprecated_macro, 2058 Opts.Deprecated); 2059 2060 // FIXME: Eliminate this dependency. 2061 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 2062 Opts.Optimize = Opt != 0; 2063 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 2064 2065 // This is the __NO_INLINE__ define, which just depends on things like the 2066 // optimization level and -fno-inline, not actually whether the backend has 2067 // inlining enabled. 2068 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 2069 2070 Opts.FastMath = Args.hasArg(OPT_ffast_math); 2071 2072 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 2073 switch (SSP) { 2074 default: 2075 Diags.Report(diag::err_drv_invalid_value) 2076 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 2077 break; 2078 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 2079 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 2080 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 2081 } 2082 } 2083 2084 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 2085 FileManager &FileMgr, 2086 DiagnosticsEngine &Diags) { 2087 using namespace options; 2088 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 2089 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 2090 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 2091 Opts.TokenCache = A->getValue(Args); 2092 else 2093 Opts.TokenCache = Opts.ImplicitPTHInclude; 2094 Opts.UsePredefines = !Args.hasArg(OPT_undef); 2095 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 2096 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 2097 2098 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 2099 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 2100 ie = Args.filtered_end(); it != ie; ++it) { 2101 const Arg *A = *it; 2102 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 2103 } 2104 2105 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 2106 StringRef Value(A->getValue(Args)); 2107 size_t Comma = Value.find(','); 2108 unsigned Bytes = 0; 2109 unsigned EndOfLine = 0; 2110 2111 if (Comma == StringRef::npos || 2112 Value.substr(0, Comma).getAsInteger(10, Bytes) || 2113 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 2114 Diags.Report(diag::err_drv_preamble_format); 2115 else { 2116 Opts.PrecompiledPreambleBytes.first = Bytes; 2117 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 2118 } 2119 } 2120 2121 // Add macros from the command line. 2122 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 2123 ie = Args.filtered_end(); it != ie; ++it) { 2124 if ((*it)->getOption().matches(OPT_D)) 2125 Opts.addMacroDef((*it)->getValue(Args)); 2126 else 2127 Opts.addMacroUndef((*it)->getValue(Args)); 2128 } 2129 2130 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2131 2132 // Add the ordered list of -includes. 2133 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2134 OPT_include_pth), 2135 ie = Args.filtered_end(); it != ie; ++it) { 2136 const Arg *A = *it; 2137 // PCH is handled specially, we need to extra the original include path. 2138 if (A->getOption().matches(OPT_include_pch)) { 2139 std::string OriginalFile = 2140 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2141 if (OriginalFile.empty()) 2142 continue; 2143 2144 Opts.Includes.push_back(OriginalFile); 2145 } else 2146 Opts.Includes.push_back(A->getValue(Args)); 2147 } 2148 2149 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2150 ie = Args.filtered_end(); it != ie; ++it) { 2151 const Arg *A = *it; 2152 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2153 } 2154 2155 // Include 'altivec.h' if -faltivec option present 2156 if (Args.hasArg(OPT_faltivec)) 2157 Opts.Includes.push_back("altivec.h"); 2158 2159 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2160 ie = Args.filtered_end(); it != ie; ++it) { 2161 const Arg *A = *it; 2162 std::pair<StringRef,StringRef> Split = 2163 StringRef(A->getValue(Args)).split(';'); 2164 2165 if (Split.second.empty()) { 2166 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2167 continue; 2168 } 2169 2170 Opts.addRemappedFile(Split.first, Split.second); 2171 } 2172 2173 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2174 StringRef Name = A->getValue(Args); 2175 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2176 .Case("libc++", ARCXX_libcxx) 2177 .Case("libstdc++", ARCXX_libstdcxx) 2178 .Case("none", ARCXX_nolib) 2179 .Default(~0U); 2180 if (Library == ~0U) 2181 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2182 else 2183 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2184 } 2185 } 2186 2187 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2188 ArgList &Args) { 2189 using namespace options; 2190 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2191 Opts.ShowComments = Args.hasArg(OPT_C); 2192 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2193 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2194 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2195 Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes); 2196 } 2197 2198 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2199 using namespace options; 2200 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2201 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2202 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2203 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2204 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2205 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2206 2207 // Use the default target triple if unspecified. 2208 if (Opts.Triple.empty()) 2209 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2210 } 2211 2212 // 2213 2214 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2215 const char *const *ArgBegin, 2216 const char *const *ArgEnd, 2217 DiagnosticsEngine &Diags) { 2218 bool Success = true; 2219 2220 // Parse the arguments. 2221 OwningPtr<OptTable> Opts(createDriverOptTable()); 2222 unsigned MissingArgIndex, MissingArgCount; 2223 OwningPtr<InputArgList> Args( 2224 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2225 2226 // Check for missing argument error. 2227 if (MissingArgCount) { 2228 Diags.Report(diag::err_drv_missing_argument) 2229 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2230 Success = false; 2231 } 2232 2233 // Issue errors on unknown arguments. 2234 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2235 ie = Args->filtered_end(); it != ie; ++it) { 2236 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2237 Success = false; 2238 } 2239 2240 // Issue errors on arguments that are not valid for CC1. 2241 for (ArgList::iterator I = Args->begin(), E = Args->end(); 2242 I != E; ++I) { 2243 if (!(*I)->getOption().isCC1Option()) { 2244 Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); 2245 Success = false; 2246 } 2247 } 2248 2249 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2250 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2251 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2252 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2253 && Success; 2254 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2255 // FIXME: We shouldn't have to pass the DashX option around here 2256 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2257 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2258 && Success; 2259 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2260 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2261 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2262 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2263 Res.getLangOpts()->ObjCExceptions = 1; 2264 } 2265 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2266 // PCH file and find the original header name. Remove the need to do that in 2267 // ParsePreprocessorArgs and remove the FileManager 2268 // parameters from the function and the "FileManager.h" #include. 2269 FileManager FileMgr(Res.getFileSystemOpts()); 2270 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2271 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2272 ParseTargetArgs(Res.getTargetOpts(), *Args); 2273 2274 return Success; 2275 } 2276 2277 namespace { 2278 2279 class ModuleSignature { 2280 llvm::SmallVector<uint64_t, 16> Data; 2281 unsigned CurBit; 2282 uint64_t CurValue; 2283 2284 public: 2285 ModuleSignature() : CurBit(0), CurValue(0) { } 2286 2287 void add(uint64_t Value, unsigned Bits); 2288 void add(StringRef Value); 2289 void flush(); 2290 2291 llvm::APInt getAsInteger() const; 2292 }; 2293 } 2294 2295 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2296 CurValue |= Value << CurBit; 2297 if (CurBit + NumBits < 64) { 2298 CurBit += NumBits; 2299 return; 2300 } 2301 2302 // Add the current word. 2303 Data.push_back(CurValue); 2304 2305 if (CurBit) 2306 CurValue = Value >> (64-CurBit); 2307 else 2308 CurValue = 0; 2309 CurBit = (CurBit+NumBits) & 63; 2310 } 2311 2312 void ModuleSignature::flush() { 2313 if (CurBit == 0) 2314 return; 2315 2316 Data.push_back(CurValue); 2317 CurBit = 0; 2318 CurValue = 0; 2319 } 2320 2321 void ModuleSignature::add(StringRef Value) { 2322 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2323 add(*I, 8); 2324 } 2325 2326 llvm::APInt ModuleSignature::getAsInteger() const { 2327 return llvm::APInt(Data.size() * 64, Data); 2328 } 2329 2330 std::string CompilerInvocation::getModuleHash() const { 2331 ModuleSignature Signature; 2332 2333 // Start the signature with the compiler version. 2334 // FIXME: The full version string can be quite long. Omit it from the 2335 // module hash for now to avoid failures where the path name becomes too 2336 // long. An MD5 or similar checksum would work well here. 2337 // Signature.add(getClangFullRepositoryVersion()); 2338 2339 // Extend the signature with the language options 2340 #define LANGOPT(Name, Bits, Default, Description) \ 2341 Signature.add(LangOpts->Name, Bits); 2342 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2343 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2344 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2345 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2346 #include "clang/Basic/LangOptions.def" 2347 2348 // Extend the signature with the target triple 2349 llvm::Triple T(TargetOpts.Triple); 2350 Signature.add((unsigned)T.getArch(), 5); 2351 Signature.add((unsigned)T.getVendor(), 4); 2352 Signature.add((unsigned)T.getOS(), 5); 2353 Signature.add((unsigned)T.getEnvironment(), 4); 2354 2355 // Extend the signature with preprocessor options. 2356 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2357 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2358 2359 // Hash the preprocessor defines. 2360 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2361 std::vector<StringRef> MacroDefs; 2362 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2363 I = getPreprocessorOpts().Macros.begin(), 2364 IEnd = getPreprocessorOpts().Macros.end(); 2365 I != IEnd; ++I) { 2366 if (!I->second) 2367 MacroDefs.push_back(I->first); 2368 } 2369 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2370 2371 unsigned PPHashResult = 0; 2372 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2373 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2374 Signature.add(PPHashResult, 32); 2375 2376 // We've generated the signature. Treat it as one large APInt that we'll 2377 // encode in base-36 and return. 2378 Signature.flush(); 2379 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2380 } 2381