1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : 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.RetryExhausted) 171 Res.push_back("-analyzer-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 if (Opts.DebugInfo) 185 Res.push_back("-g"); 186 if (Opts.DisableLLVMOpts) 187 Res.push_back("-disable-llvm-optzns"); 188 if (Opts.DisableRedZone) 189 Res.push_back("-disable-red-zone"); 190 if (Opts.DisableTailCalls) 191 Res.push_back("-mdisable-tail-calls"); 192 if (!Opts.DebugCompilationDir.empty()) 193 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 194 if (!Opts.DwarfDebugFlags.empty()) 195 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 196 if (Opts.ObjCRuntimeHasARC) 197 Res.push_back("-fobjc-runtime-has-arc"); 198 if (Opts.ObjCRuntimeHasTerminate) 199 Res.push_back("-fobjc-runtime-has-terminate"); 200 if (Opts.EmitGcovArcs) 201 Res.push_back("-femit-coverage-data"); 202 if (Opts.EmitGcovNotes) 203 Res.push_back("-femit-coverage-notes"); 204 if (!Opts.MergeAllConstants) 205 Res.push_back("-fno-merge-all-constants"); 206 if (Opts.NoCommon) 207 Res.push_back("-fno-common"); 208 if (Opts.ForbidGuardVariables) 209 Res.push_back("-fforbid-guard-variables"); 210 if (Opts.UseRegisterSizedBitfieldAccess) 211 Res.push_back("-fuse-register-sized-bitfield-access"); 212 if (Opts.NoImplicitFloat) 213 Res.push_back("-no-implicit-float"); 214 if (Opts.OmitLeafFramePointer) 215 Res.push_back("-momit-leaf-frame-pointer"); 216 if (Opts.OptimizeSize) { 217 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 218 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 219 } else if (Opts.OptimizationLevel != 0) 220 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 221 if (!Opts.MainFileName.empty()) 222 Res.push_back("-main-file-name", Opts.MainFileName); 223 if (Opts.NoInfsFPMath) 224 Res.push_back("-menable-no-infinities"); 225 if (Opts.NoNaNsFPMath) 226 Res.push_back("-menable-no-nans"); 227 // SimplifyLibCalls is only derived. 228 // TimePasses is only derived. 229 // UnitAtATime is unused. 230 // Inlining is only derived. 231 232 // UnrollLoops is derived, but also accepts an option, no 233 // harm in pushing it back here. 234 if (Opts.UnrollLoops) 235 Res.push_back("-funroll-loops"); 236 if (Opts.DataSections) 237 Res.push_back("-fdata-sections"); 238 if (Opts.FunctionSections) 239 Res.push_back("-ffunction-sections"); 240 if (Opts.AsmVerbose) 241 Res.push_back("-masm-verbose"); 242 if (!Opts.CodeModel.empty()) 243 Res.push_back("-mcode-model", Opts.CodeModel); 244 if (Opts.CUDAIsDevice) 245 Res.push_back("-fcuda-is-device"); 246 if (!Opts.CXAAtExit) 247 Res.push_back("-fno-use-cxa-atexit"); 248 if (Opts.CXXCtorDtorAliases) 249 Res.push_back("-mconstructor-aliases"); 250 if (Opts.ObjCAutoRefCountExceptions) 251 Res.push_back("-fobjc-arc-eh"); 252 if (!Opts.DebugPass.empty()) { 253 Res.push_back("-mdebug-pass", Opts.DebugPass); 254 } 255 if (Opts.DisableFPElim) 256 Res.push_back("-mdisable-fp-elim"); 257 if (!Opts.FloatABI.empty()) 258 Res.push_back("-mfloat-abi", Opts.FloatABI); 259 if (!Opts.LimitFloatPrecision.empty()) 260 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 261 if (Opts.NoZeroInitializedInBSS) 262 Res.push_back("-mno-zero-initialized-bss"); 263 switch (Opts.getObjCDispatchMethod()) { 264 case CodeGenOptions::Legacy: 265 break; 266 case CodeGenOptions::Mixed: 267 Res.push_back("-fobjc-dispatch-method=mixed"); 268 break; 269 case CodeGenOptions::NonLegacy: 270 Res.push_back("-fobjc-dispatch-method=non-legacy"); 271 break; 272 } 273 if (Opts.NumRegisterParameters) 274 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 275 if (Opts.NoGlobalMerge) 276 Res.push_back("-mno-global-merge"); 277 if (Opts.NoExecStack) 278 Res.push_back("-mnoexecstack"); 279 if (Opts.RelaxAll) 280 Res.push_back("-mrelax-all"); 281 if (Opts.SaveTempLabels) 282 Res.push_back("-msave-temp-labels"); 283 if (Opts.NoDwarf2CFIAsm) 284 Res.push_back("-fno-dwarf2-cfi-asm"); 285 if (Opts.NoDwarfDirectoryAsm) 286 Res.push_back("-fno-dwarf-directory-asm"); 287 if (Opts.SoftFloat) 288 Res.push_back("-msoft-float"); 289 if (Opts.UnwindTables) 290 Res.push_back("-munwind-tables"); 291 if (Opts.RelocationModel != "pic") 292 Res.push_back("-mrelocation-model", Opts.RelocationModel); 293 if (!Opts.VerifyModule) 294 Res.push_back("-disable-llvm-verifier"); 295 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 296 Res.push_back("-backend-option", Opts.BackendOptions[i]); 297 } 298 299 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 300 ToArgsList &Res) { 301 if (Opts.IncludeSystemHeaders) 302 Res.push_back("-sys-header-deps"); 303 if (Opts.ShowHeaderIncludes) 304 Res.push_back("-H"); 305 if (!Opts.HeaderIncludeOutputFile.empty()) 306 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 307 if (Opts.UsePhonyTargets) 308 Res.push_back("-MP"); 309 if (!Opts.OutputFile.empty()) 310 Res.push_back("-dependency-file", Opts.OutputFile); 311 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 312 Res.push_back("-MT", Opts.Targets[i]); 313 } 314 315 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 316 ToArgsList &Res) { 317 if (Opts.IgnoreWarnings) 318 Res.push_back("-w"); 319 if (Opts.NoRewriteMacros) 320 Res.push_back("-Wno-rewrite-macros"); 321 if (Opts.Pedantic) 322 Res.push_back("-pedantic"); 323 if (Opts.PedanticErrors) 324 Res.push_back("-pedantic-errors"); 325 if (!Opts.ShowColumn) 326 Res.push_back("-fno-show-column"); 327 if (!Opts.ShowLocation) 328 Res.push_back("-fno-show-source-location"); 329 if (!Opts.ShowCarets) 330 Res.push_back("-fno-caret-diagnostics"); 331 if (!Opts.ShowFixits) 332 Res.push_back("-fno-diagnostics-fixit-info"); 333 if (Opts.ShowSourceRanges) 334 Res.push_back("-fdiagnostics-print-source-range-info"); 335 if (Opts.ShowParseableFixits) 336 Res.push_back("-fdiagnostics-parseable-fixits"); 337 if (Opts.ShowColors) 338 Res.push_back("-fcolor-diagnostics"); 339 if (Opts.VerifyDiagnostics) 340 Res.push_back("-verify"); 341 if (Opts.ShowOptionNames) 342 Res.push_back("-fdiagnostics-show-option"); 343 if (Opts.ShowCategories == 1) 344 Res.push_back("-fdiagnostics-show-category=id"); 345 else if (Opts.ShowCategories == 2) 346 Res.push_back("-fdiagnostics-show-category=name"); 347 switch (Opts.Format) { 348 case DiagnosticOptions::Clang: 349 Res.push_back("-fdiagnostics-format=clang"); break; 350 case DiagnosticOptions::Msvc: 351 Res.push_back("-fdiagnostics-format=msvc"); break; 352 case DiagnosticOptions::Vi: 353 Res.push_back("-fdiagnostics-format=vi"); break; 354 } 355 if (Opts.ErrorLimit) 356 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 357 if (!Opts.DiagnosticLogFile.empty()) 358 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 359 if (Opts.MacroBacktraceLimit 360 != DiagnosticOptions::DefaultMacroBacktraceLimit) 361 Res.push_back("-fmacro-backtrace-limit", 362 llvm::utostr(Opts.MacroBacktraceLimit)); 363 if (Opts.TemplateBacktraceLimit 364 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 365 Res.push_back("-ftemplate-backtrace-limit", 366 llvm::utostr(Opts.TemplateBacktraceLimit)); 367 if (Opts.ConstexprBacktraceLimit 368 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 369 Res.push_back("-fconstexpr-backtrace-limit", 370 llvm::utostr(Opts.ConstexprBacktraceLimit)); 371 372 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 373 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 374 if (Opts.MessageLength) 375 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 376 if (!Opts.DumpBuildInformation.empty()) 377 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 378 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 379 Res.push_back("-W" + Opts.Warnings[i]); 380 } 381 382 static const char *getInputKindName(InputKind Kind) { 383 switch (Kind) { 384 case IK_None: break; 385 case IK_AST: return "ast"; 386 case IK_Asm: return "assembler-with-cpp"; 387 case IK_C: return "c"; 388 case IK_CXX: return "c++"; 389 case IK_LLVM_IR: return "ir"; 390 case IK_ObjC: return "objective-c"; 391 case IK_ObjCXX: return "objective-c++"; 392 case IK_OpenCL: return "cl"; 393 case IK_CUDA: return "cuda"; 394 case IK_PreprocessedC: return "cpp-output"; 395 case IK_PreprocessedCXX: return "c++-cpp-output"; 396 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 397 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 398 } 399 400 llvm_unreachable("Unexpected language kind!"); 401 } 402 403 static const char *getActionName(frontend::ActionKind Kind) { 404 switch (Kind) { 405 case frontend::PluginAction: 406 llvm_unreachable("Invalid kind!"); 407 408 case frontend::ASTDump: return "-ast-dump"; 409 case frontend::ASTDumpXML: return "-ast-dump-xml"; 410 case frontend::ASTPrint: return "-ast-print"; 411 case frontend::ASTView: return "-ast-view"; 412 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 413 case frontend::DumpTokens: return "-dump-tokens"; 414 case frontend::EmitAssembly: return "-S"; 415 case frontend::EmitBC: return "-emit-llvm-bc"; 416 case frontend::EmitHTML: return "-emit-html"; 417 case frontend::EmitLLVM: return "-emit-llvm"; 418 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 419 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 420 case frontend::EmitObj: return "-emit-obj"; 421 case frontend::FixIt: return "-fixit"; 422 case frontend::GenerateModule: return "-emit-module"; 423 case frontend::GeneratePCH: return "-emit-pch"; 424 case frontend::GeneratePTH: return "-emit-pth"; 425 case frontend::InitOnly: return "-init-only"; 426 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 427 case frontend::PrintDeclContext: return "-print-decl-contexts"; 428 case frontend::PrintPreamble: return "-print-preamble"; 429 case frontend::PrintPreprocessedInput: return "-E"; 430 case frontend::PubnamesDump: return "-pubnames-dump"; 431 case frontend::RewriteMacros: return "-rewrite-macros"; 432 case frontend::RewriteObjC: return "-rewrite-objc"; 433 case frontend::RewriteTest: return "-rewrite-test"; 434 case frontend::RunAnalysis: return "-analyze"; 435 case frontend::MigrateSource: return "-migrate"; 436 case frontend::RunPreprocessorOnly: return "-Eonly"; 437 } 438 439 llvm_unreachable("Unexpected language kind!"); 440 } 441 442 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 443 if (!Opts.WorkingDir.empty()) 444 Res.push_back("-working-directory", Opts.WorkingDir); 445 } 446 447 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 448 if (Opts.DisableFree) 449 Res.push_back("-disable-free"); 450 if (Opts.RelocatablePCH) 451 Res.push_back("-relocatable-pch"); 452 if (Opts.ShowHelp) 453 Res.push_back("-help"); 454 if (Opts.ShowMacrosInCodeCompletion) 455 Res.push_back("-code-completion-macros"); 456 if (Opts.ShowCodePatternsInCodeCompletion) 457 Res.push_back("-code-completion-patterns"); 458 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 459 Res.push_back("-no-code-completion-globals"); 460 if (Opts.ShowStats) 461 Res.push_back("-print-stats"); 462 if (Opts.ShowTimers) 463 Res.push_back("-ftime-report"); 464 if (Opts.ShowVersion) 465 Res.push_back("-version"); 466 if (Opts.FixWhatYouCan) 467 Res.push_back("-fix-what-you-can"); 468 if (Opts.FixOnlyWarnings) 469 Res.push_back("-fix-only-warnings"); 470 if (Opts.FixAndRecompile) 471 Res.push_back("-fixit-recompile"); 472 if (Opts.FixToTemporaries) 473 Res.push_back("-fixit-to-temporary"); 474 switch (Opts.ARCMTAction) { 475 case FrontendOptions::ARCMT_None: 476 break; 477 case FrontendOptions::ARCMT_Check: 478 Res.push_back("-arcmt-check"); 479 break; 480 case FrontendOptions::ARCMT_Modify: 481 Res.push_back("-arcmt-modify"); 482 break; 483 case FrontendOptions::ARCMT_Migrate: 484 Res.push_back("-arcmt-migrate"); 485 break; 486 } 487 if (!Opts.MTMigrateDir.empty()) 488 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 489 if (!Opts.ARCMTMigrateReportOut.empty()) 490 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 491 if (Opts.ARCMTMigrateEmitARCErrors) 492 Res.push_back("-arcmt-migrate-emit-errors"); 493 494 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 495 Res.push_back("-objcmt-migrate-literals"); 496 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 497 Res.push_back("-objcmt-migrate-subscripting"); 498 499 bool NeedLang = false; 500 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 501 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 502 Opts.Inputs[i].Kind) 503 NeedLang = true; 504 if (NeedLang) 505 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 506 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 507 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 508 "Unable to represent this input vector!"); 509 Res.push_back(Opts.Inputs[i].File); 510 } 511 512 if (!Opts.OutputFile.empty()) 513 Res.push_back("-o", Opts.OutputFile); 514 if (!Opts.CodeCompletionAt.FileName.empty()) 515 Res.push_back("-code-completion-at", 516 Opts.CodeCompletionAt.FileName + ":" + 517 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 518 llvm::utostr(Opts.CodeCompletionAt.Column)); 519 if (Opts.ProgramAction != frontend::PluginAction) 520 Res.push_back(getActionName(Opts.ProgramAction)); 521 if (!Opts.ActionName.empty()) { 522 Res.push_back("-plugin", Opts.ActionName); 523 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 524 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 525 } 526 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 527 Res.push_back("-load", Opts.Plugins[i]); 528 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 529 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 530 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 531 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 532 Opts.AddPluginArgs[i][ai]); 533 } 534 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 535 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 536 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 537 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 538 if (!Opts.OverrideRecordLayoutsFile.empty()) 539 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 540 } 541 542 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 543 ToArgsList &Res) { 544 if (Opts.Sysroot != "/") { 545 Res.push_back("-isysroot"); 546 Res.push_back(Opts.Sysroot); 547 } 548 549 /// User specified include entries. 550 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 551 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 552 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 553 llvm::report_fatal_error("Invalid option set!"); 554 if (E.IsUserSupplied) { 555 switch (E.Group) { 556 case frontend::After: 557 Res.push_back("-idirafter"); 558 break; 559 560 case frontend::Quoted: 561 Res.push_back("-iquote"); 562 break; 563 564 case frontend::System: 565 Res.push_back("-isystem"); 566 break; 567 568 case frontend::IndexHeaderMap: 569 Res.push_back("-index-header-map"); 570 Res.push_back(E.IsFramework? "-F" : "-I"); 571 break; 572 573 case frontend::CSystem: 574 Res.push_back("-c-isystem"); 575 break; 576 577 case frontend::CXXSystem: 578 Res.push_back("-cxx-isystem"); 579 break; 580 581 case frontend::ObjCSystem: 582 Res.push_back("-objc-isystem"); 583 break; 584 585 case frontend::ObjCXXSystem: 586 Res.push_back("-objcxx-isystem"); 587 break; 588 589 case frontend::Angled: 590 Res.push_back(E.IsFramework ? "-F" : "-I"); 591 break; 592 } 593 } else { 594 if (E.IsInternal) { 595 assert(E.Group == frontend::System && "Unexpected header search group"); 596 if (E.ImplicitExternC) 597 Res.push_back("-internal-externc-isystem"); 598 else 599 Res.push_back("-internal-isystem"); 600 } else { 601 if (E.Group != frontend::Angled && E.Group != frontend::System) 602 llvm::report_fatal_error("Invalid option set!"); 603 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 604 "-iwithprefix"); 605 } 606 } 607 Res.push_back(E.Path); 608 } 609 610 if (!Opts.ResourceDir.empty()) 611 Res.push_back("-resource-dir", Opts.ResourceDir); 612 if (!Opts.ModuleCachePath.empty()) 613 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 614 if (!Opts.UseStandardSystemIncludes) 615 Res.push_back("-nostdsysteminc"); 616 if (!Opts.UseStandardCXXIncludes) 617 Res.push_back("-nostdinc++"); 618 if (Opts.UseLibcxx) 619 Res.push_back("-stdlib=libc++"); 620 if (Opts.Verbose) 621 Res.push_back("-v"); 622 } 623 624 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 625 LangOptions DefaultLangOpts; 626 627 // FIXME: Need to set -std to get all the implicit options. 628 629 // FIXME: We want to only pass options relative to the defaults, which 630 // requires constructing a target. :( 631 // 632 // It would be better to push the all target specific choices into the driver, 633 // so that everything below that was more uniform. 634 635 if (Opts.Trigraphs) 636 Res.push_back("-trigraphs"); 637 // Implicit based on the input kind: 638 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 639 // Implicit based on the input language standard: 640 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 641 if (Opts.DollarIdents) 642 Res.push_back("-fdollars-in-identifiers"); 643 if (Opts.GNUMode && !Opts.GNUKeywords) 644 Res.push_back("-fno-gnu-keywords"); 645 if (!Opts.GNUMode && Opts.GNUKeywords) 646 Res.push_back("-fgnu-keywords"); 647 if (Opts.MicrosoftExt) 648 Res.push_back("-fms-extensions"); 649 if (Opts.MicrosoftMode) 650 Res.push_back("-fms-compatibility"); 651 if (Opts.MSCVersion != 0) 652 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 653 if (Opts.Borland) 654 Res.push_back("-fborland-extensions"); 655 if (!Opts.ObjCNonFragileABI) 656 Res.push_back("-fobjc-fragile-abi"); 657 if (Opts.ObjCDefaultSynthProperties) 658 Res.push_back("-fobjc-default-synthesize-properties"); 659 // NoInline is implicit. 660 if (!Opts.CXXOperatorNames) 661 Res.push_back("-fno-operator-names"); 662 if (Opts.PascalStrings) 663 Res.push_back("-fpascal-strings"); 664 if (Opts.CatchUndefined) 665 Res.push_back("-fcatch-undefined-behavior"); 666 if (Opts.AddressSanitizer) 667 Res.push_back("-faddress-sanitizer"); 668 if (Opts.ThreadSanitizer) 669 Res.push_back("-fthread-sanitizer"); 670 if (Opts.WritableStrings) 671 Res.push_back("-fwritable-strings"); 672 if (Opts.ConstStrings) 673 Res.push_back("-fconst-strings"); 674 if (!Opts.LaxVectorConversions) 675 Res.push_back("-fno-lax-vector-conversions"); 676 if (Opts.AltiVec) 677 Res.push_back("-faltivec"); 678 if (Opts.Exceptions) 679 Res.push_back("-fexceptions"); 680 if (Opts.ObjCExceptions) 681 Res.push_back("-fobjc-exceptions"); 682 if (Opts.CXXExceptions) 683 Res.push_back("-fcxx-exceptions"); 684 if (Opts.SjLjExceptions) 685 Res.push_back("-fsjlj-exceptions"); 686 if (Opts.TraditionalCPP) 687 Res.push_back("-traditional-cpp"); 688 if (!Opts.RTTI) 689 Res.push_back("-fno-rtti"); 690 if (Opts.MSBitfields) 691 Res.push_back("-mms-bitfields"); 692 if (!Opts.NeXTRuntime) 693 Res.push_back("-fgnu-runtime"); 694 if (Opts.Freestanding) 695 Res.push_back("-ffreestanding"); 696 if (Opts.NoBuiltin) 697 Res.push_back("-fno-builtin"); 698 if (!Opts.AssumeSaneOperatorNew) 699 Res.push_back("-fno-assume-sane-operator-new"); 700 if (!Opts.ThreadsafeStatics) 701 Res.push_back("-fno-threadsafe-statics"); 702 if (Opts.POSIXThreads) 703 Res.push_back("-pthread"); 704 if (Opts.Blocks) 705 Res.push_back("-fblocks"); 706 if (Opts.BlocksRuntimeOptional) 707 Res.push_back("-fblocks-runtime-optional"); 708 if (Opts.Modules) 709 Res.push_back("-fmodules"); 710 if (Opts.EmitAllDecls) 711 Res.push_back("-femit-all-decls"); 712 if (Opts.MathErrno) 713 Res.push_back("-fmath-errno"); 714 switch (Opts.getSignedOverflowBehavior()) { 715 case LangOptions::SOB_Undefined: break; 716 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 717 case LangOptions::SOB_Trapping: 718 Res.push_back("-ftrapv"); 719 if (!Opts.OverflowHandler.empty()) 720 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 721 break; 722 } 723 if (Opts.HeinousExtensions) 724 Res.push_back("-fheinous-gnu-extensions"); 725 // Optimize is implicit. 726 // OptimizeSize is implicit. 727 if (Opts.FastMath) 728 Res.push_back("-ffast-math"); 729 if (Opts.Static) 730 Res.push_back("-static-define"); 731 if (Opts.DumpRecordLayoutsSimple) 732 Res.push_back("-fdump-record-layouts-simple"); 733 else if (Opts.DumpRecordLayouts) 734 Res.push_back("-fdump-record-layouts"); 735 if (Opts.DumpVTableLayouts) 736 Res.push_back("-fdump-vtable-layouts"); 737 if (Opts.NoBitFieldTypeAlign) 738 Res.push_back("-fno-bitfield-type-alignment"); 739 if (Opts.PICLevel) 740 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 741 if (Opts.ObjCGCBitmapPrint) 742 Res.push_back("-print-ivar-layout"); 743 if (Opts.NoConstantCFStrings) 744 Res.push_back("-fno-constant-cfstrings"); 745 if (!Opts.AccessControl) 746 Res.push_back("-fno-access-control"); 747 if (!Opts.CharIsSigned) 748 Res.push_back("-fno-signed-char"); 749 if (Opts.ShortWChar) 750 Res.push_back("-fshort-wchar"); 751 if (!Opts.ElideConstructors) 752 Res.push_back("-fno-elide-constructors"); 753 if (Opts.getGC() != LangOptions::NonGC) { 754 if (Opts.getGC() == LangOptions::HybridGC) { 755 Res.push_back("-fobjc-gc"); 756 } else { 757 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 758 Res.push_back("-fobjc-gc-only"); 759 } 760 } 761 if (Opts.ObjCAutoRefCount) 762 Res.push_back("-fobjc-arc"); 763 if (Opts.ObjCRuntimeHasWeak) 764 Res.push_back("-fobjc-runtime-has-weak"); 765 if (!Opts.ObjCInferRelatedResultType) 766 Res.push_back("-fno-objc-infer-related-result-type"); 767 768 if (Opts.AppleKext) 769 Res.push_back("-fapple-kext"); 770 771 if (Opts.getVisibilityMode() != DefaultVisibility) { 772 Res.push_back("-fvisibility"); 773 if (Opts.getVisibilityMode() == HiddenVisibility) { 774 Res.push_back("hidden"); 775 } else { 776 assert(Opts.getVisibilityMode() == ProtectedVisibility && 777 "Invalid visibility!"); 778 Res.push_back("protected"); 779 } 780 } 781 if (Opts.InlineVisibilityHidden) 782 Res.push_back("-fvisibility-inlines-hidden"); 783 784 if (Opts.getStackProtector() != 0) 785 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 786 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 787 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 788 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 789 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 790 if (!Opts.ObjCConstantStringClass.empty()) 791 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 792 if (Opts.FakeAddressSpaceMap) 793 Res.push_back("-ffake-address-space-map"); 794 if (Opts.ParseUnknownAnytype) 795 Res.push_back("-funknown-anytype"); 796 if (Opts.DebuggerSupport) 797 Res.push_back("-fdebugger-support"); 798 if (Opts.DebuggerCastResultToId) 799 Res.push_back("-fdebugger-cast-result-to-id"); 800 if (Opts.DebuggerObjCLiteral) 801 Res.push_back("-fdebugger-objc-literal"); 802 if (Opts.DelayedTemplateParsing) 803 Res.push_back("-fdelayed-template-parsing"); 804 if (Opts.Deprecated) 805 Res.push_back("-fdeprecated-macro"); 806 if (Opts.ApplePragmaPack) 807 Res.push_back("-fapple-pragma-pack"); 808 if (!Opts.CurrentModule.empty()) 809 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 810 } 811 812 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 813 ToArgsList &Res) { 814 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 815 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 816 Opts.Macros[i].first); 817 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 818 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 819 Res.push_back("-include", Opts.Includes[i]); 820 } 821 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 822 Res.push_back("-imacros", Opts.MacroIncludes[i]); 823 if (!Opts.UsePredefines) 824 Res.push_back("-undef"); 825 if (Opts.DetailedRecord) 826 Res.push_back("-detailed-preprocessing-record"); 827 if (!Opts.ImplicitPCHInclude.empty()) 828 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 829 if (!Opts.ImplicitPTHInclude.empty()) 830 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 831 if (!Opts.TokenCache.empty()) { 832 if (Opts.ImplicitPTHInclude.empty()) 833 Res.push_back("-token-cache", Opts.TokenCache); 834 else 835 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 836 "Unsupported option combination!"); 837 } 838 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 839 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 840 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 841 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 842 Opts.RemappedFiles[i].second); 843 } 844 } 845 846 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 847 ToArgsList &Res) { 848 if (!Opts.ShowCPP && !Opts.ShowMacros) 849 llvm::report_fatal_error("Invalid option combination!"); 850 851 if (Opts.ShowCPP && Opts.ShowMacros) 852 Res.push_back("-dD"); 853 else if (!Opts.ShowCPP && Opts.ShowMacros) 854 Res.push_back("-dM"); 855 856 if (!Opts.ShowLineMarkers) 857 Res.push_back("-P"); 858 if (Opts.ShowComments) 859 Res.push_back("-C"); 860 if (Opts.ShowMacroComments) 861 Res.push_back("-CC"); 862 } 863 864 static void TargetOptsToArgs(const TargetOptions &Opts, 865 ToArgsList &Res) { 866 Res.push_back("-triple"); 867 Res.push_back(Opts.Triple); 868 if (!Opts.CPU.empty()) 869 Res.push_back("-target-cpu", Opts.CPU); 870 if (!Opts.ABI.empty()) 871 Res.push_back("-target-abi", Opts.ABI); 872 if (!Opts.LinkerVersion.empty()) 873 Res.push_back("-target-linker-version", Opts.LinkerVersion); 874 if (!Opts.CXXABI.empty()) 875 Res.push_back("-cxx-abi", Opts.CXXABI); 876 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 877 Res.push_back("-target-feature", Opts.Features[i]); 878 } 879 880 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 881 ToArgsList List(Res); 882 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 883 CodeGenOptsToArgs(getCodeGenOpts(), List); 884 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 885 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 886 FileSystemOptsToArgs(getFileSystemOpts(), List); 887 FrontendOptsToArgs(getFrontendOpts(), List); 888 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 889 LangOptsToArgs(*getLangOpts(), List); 890 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 891 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 892 TargetOptsToArgs(getTargetOpts(), List); 893 } 894 895 //===----------------------------------------------------------------------===// 896 // Deserialization (to args) 897 //===----------------------------------------------------------------------===// 898 899 using namespace clang::driver; 900 using namespace clang::driver::cc1options; 901 902 // 903 904 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 905 DiagnosticsEngine &Diags) { 906 unsigned DefaultOpt = 0; 907 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 908 DefaultOpt = 2; 909 // -Os/-Oz implies -O2 910 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 911 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 912 } 913 914 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 915 DiagnosticsEngine &Diags) { 916 using namespace cc1options; 917 bool Success = true; 918 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 919 StringRef Name = A->getValue(Args); 920 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 921 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 922 .Case(CMDFLAG, NAME##Model) 923 #include "clang/Frontend/Analyses.def" 924 .Default(NumStores); 925 if (Value == NumStores) { 926 Diags.Report(diag::err_drv_invalid_value) 927 << A->getAsString(Args) << Name; 928 Success = false; 929 } else { 930 Opts.AnalysisStoreOpt = Value; 931 } 932 } 933 934 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 935 StringRef Name = A->getValue(Args); 936 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 937 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 938 .Case(CMDFLAG, NAME##Model) 939 #include "clang/Frontend/Analyses.def" 940 .Default(NumConstraints); 941 if (Value == NumConstraints) { 942 Diags.Report(diag::err_drv_invalid_value) 943 << A->getAsString(Args) << Name; 944 Success = false; 945 } else { 946 Opts.AnalysisConstraintsOpt = Value; 947 } 948 } 949 950 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 951 StringRef Name = A->getValue(Args); 952 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 953 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 954 .Case(CMDFLAG, PD_##NAME) 955 #include "clang/Frontend/Analyses.def" 956 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 957 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 958 Diags.Report(diag::err_drv_invalid_value) 959 << A->getAsString(Args) << Name; 960 Success = false; 961 } else { 962 Opts.AnalysisDiagOpt = Value; 963 } 964 } 965 966 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 967 StringRef Name = A->getValue(Args); 968 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 969 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 970 .Case(CMDFLAG, NAME) 971 #include "clang/Frontend/Analyses.def" 972 .Default(NumPurgeModes); 973 if (Value == NumPurgeModes) { 974 Diags.Report(diag::err_drv_invalid_value) 975 << A->getAsString(Args) << Name; 976 Success = false; 977 } else { 978 Opts.AnalysisPurgeOpt = Value; 979 } 980 } 981 982 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 983 StringRef Name = A->getValue(Args); 984 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 985 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 986 .Case(CMDFLAG, NAME) 987 #include "clang/Frontend/Analyses.def" 988 .Default(NumIPAModes); 989 if (Value == NumIPAModes) { 990 Diags.Report(diag::err_drv_invalid_value) 991 << A->getAsString(Args) << Name; 992 Success = false; 993 } else { 994 Opts.IPAMode = Value; 995 } 996 } 997 998 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 999 StringRef Name = A->getValue(Args); 1000 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1001 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1002 .Case(CMDFLAG, NAME) 1003 #include "clang/Frontend/Analyses.def" 1004 .Default(NumInliningModes); 1005 if (Value == NumInliningModes) { 1006 Diags.Report(diag::err_drv_invalid_value) 1007 << A->getAsString(Args) << Name; 1008 Success = false; 1009 } else { 1010 Opts.InliningMode = Value; 1011 } 1012 } 1013 1014 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1015 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1016 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1017 Opts.RetryExhausted = Args.hasArg(OPT_analyzer_retry_exhausted); 1018 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1019 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1020 Opts.AnalyzeNestedBlocks = 1021 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1022 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1023 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1024 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1025 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1026 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1027 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1028 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1029 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1030 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1031 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1032 Opts.InlineMaxStackDepth = 1033 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1034 Opts.InlineMaxStackDepth, Diags); 1035 Opts.InlineMaxFunctionSize = 1036 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1037 Opts.InlineMaxFunctionSize, Diags); 1038 1039 Opts.CheckersControlList.clear(); 1040 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1041 OPT_analyzer_disable_checker), 1042 ie = Args.filtered_end(); it != ie; ++it) { 1043 const Arg *A = *it; 1044 A->claim(); 1045 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1046 // We can have a list of comma separated checker names, e.g: 1047 // '-analyzer-checker=cocoa,unix' 1048 StringRef checkerList = A->getValue(Args); 1049 SmallVector<StringRef, 4> checkers; 1050 checkerList.split(checkers, ","); 1051 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1052 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1053 } 1054 1055 return Success; 1056 } 1057 1058 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1059 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1060 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1061 return true; 1062 } 1063 1064 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1065 DiagnosticsEngine &Diags) { 1066 using namespace cc1options; 1067 bool Success = true; 1068 1069 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1070 if (OptLevel > 3) { 1071 Diags.Report(diag::err_drv_invalid_value) 1072 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1073 OptLevel = 3; 1074 Success = false; 1075 } 1076 Opts.OptimizationLevel = OptLevel; 1077 1078 // We must always run at least the always inlining pass. 1079 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1080 : CodeGenOptions::OnlyAlwaysInlining; 1081 // -fno-inline-functions overrides OptimizationLevel > 1. 1082 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1083 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1084 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1085 1086 Opts.DebugInfo = Args.hasArg(OPT_g); 1087 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1088 || Args.hasArg(OPT_flimit_debug_info); 1089 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1090 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1091 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1092 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1093 OPT_fuse_register_sized_bitfield_access); 1094 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1095 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1096 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1097 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1098 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1099 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1100 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1101 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1102 Args.hasArg(OPT_ffreestanding)); 1103 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1104 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1105 1106 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1107 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1108 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1109 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1110 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1111 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1112 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1113 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1114 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1115 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1116 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1117 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1118 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1119 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1120 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1121 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1122 Args.hasArg(OPT_cl_finite_math_only)|| 1123 Args.hasArg(OPT_cl_fast_relaxed_math)); 1124 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1125 Args.hasArg(OPT_cl_finite_math_only)|| 1126 Args.hasArg(OPT_cl_fast_relaxed_math)); 1127 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1128 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1129 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1130 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1131 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1132 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1133 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1134 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1135 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1136 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1137 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1138 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1139 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1140 Args.hasArg(OPT_cl_fast_relaxed_math); 1141 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1142 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1143 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1144 1145 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1146 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1147 1148 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1149 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1150 1151 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1152 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1153 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1154 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1155 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1156 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1157 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1158 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1159 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1160 StringRef Val = A->getValue(Args); 1161 Val.getAsInteger(10, Opts.StackAlignment); 1162 } 1163 1164 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1165 StringRef Name = A->getValue(Args); 1166 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1167 .Case("legacy", CodeGenOptions::Legacy) 1168 .Case("non-legacy", CodeGenOptions::NonLegacy) 1169 .Case("mixed", CodeGenOptions::Mixed) 1170 .Default(~0U); 1171 if (Method == ~0U) { 1172 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1173 Success = false; 1174 } else { 1175 Opts.ObjCDispatchMethod = Method; 1176 } 1177 } 1178 1179 return Success; 1180 } 1181 1182 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1183 ArgList &Args) { 1184 using namespace cc1options; 1185 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1186 Opts.Targets = Args.getAllArgValues(OPT_MT); 1187 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1188 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1189 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1190 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1191 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1192 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1193 } 1194 1195 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1196 DiagnosticsEngine *Diags) { 1197 using namespace cc1options; 1198 bool Success = true; 1199 1200 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1201 Opts.DiagnosticSerializationFile = 1202 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1203 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1204 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1205 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1206 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1207 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1208 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1209 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1210 OPT_fno_show_column, 1211 /*Default=*/true); 1212 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1213 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1214 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1215 1216 // Default behavior is to not to show note include stacks. 1217 Opts.ShowNoteIncludeStack = false; 1218 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1219 OPT_fno_diagnostics_show_note_include_stack)) 1220 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1221 Opts.ShowNoteIncludeStack = true; 1222 1223 StringRef ShowOverloads = 1224 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1225 if (ShowOverloads == "best") 1226 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1227 else if (ShowOverloads == "all") 1228 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1229 else { 1230 Success = false; 1231 if (Diags) 1232 Diags->Report(diag::err_drv_invalid_value) 1233 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1234 << ShowOverloads; 1235 } 1236 1237 StringRef ShowCategory = 1238 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1239 if (ShowCategory == "none") 1240 Opts.ShowCategories = 0; 1241 else if (ShowCategory == "id") 1242 Opts.ShowCategories = 1; 1243 else if (ShowCategory == "name") 1244 Opts.ShowCategories = 2; 1245 else { 1246 Success = false; 1247 if (Diags) 1248 Diags->Report(diag::err_drv_invalid_value) 1249 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1250 << ShowCategory; 1251 } 1252 1253 StringRef Format = 1254 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1255 if (Format == "clang") 1256 Opts.Format = DiagnosticOptions::Clang; 1257 else if (Format == "msvc") 1258 Opts.Format = DiagnosticOptions::Msvc; 1259 else if (Format == "vi") 1260 Opts.Format = DiagnosticOptions::Vi; 1261 else { 1262 Success = false; 1263 if (Diags) 1264 Diags->Report(diag::err_drv_invalid_value) 1265 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1266 << Format; 1267 } 1268 1269 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1270 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1271 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1272 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1273 Opts.MacroBacktraceLimit 1274 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1275 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1276 Opts.TemplateBacktraceLimit 1277 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1278 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1279 Diags); 1280 Opts.ConstexprBacktraceLimit 1281 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1282 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1283 Diags); 1284 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1285 DiagnosticOptions::DefaultTabStop, Diags); 1286 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1287 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1288 if (Diags) 1289 Diags->Report(diag::warn_ignoring_ftabstop_value) 1290 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1291 } 1292 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1293 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1294 1295 for (arg_iterator it = Args.filtered_begin(OPT_W), 1296 ie = Args.filtered_end(); it != ie; ++it) { 1297 StringRef V = (*it)->getValue(Args); 1298 // "-Wl," and such are not warnings options. 1299 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1300 continue; 1301 1302 Opts.Warnings.push_back(V); 1303 } 1304 1305 return Success; 1306 } 1307 1308 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1309 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1310 } 1311 1312 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1313 DiagnosticsEngine &Diags) { 1314 using namespace cc1options; 1315 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1316 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1317 switch (A->getOption().getID()) { 1318 default: 1319 llvm_unreachable("Invalid option in group!"); 1320 case OPT_ast_dump: 1321 Opts.ProgramAction = frontend::ASTDump; break; 1322 case OPT_ast_dump_xml: 1323 Opts.ProgramAction = frontend::ASTDumpXML; break; 1324 case OPT_ast_print: 1325 Opts.ProgramAction = frontend::ASTPrint; break; 1326 case OPT_ast_view: 1327 Opts.ProgramAction = frontend::ASTView; break; 1328 case OPT_dump_raw_tokens: 1329 Opts.ProgramAction = frontend::DumpRawTokens; break; 1330 case OPT_dump_tokens: 1331 Opts.ProgramAction = frontend::DumpTokens; break; 1332 case OPT_S: 1333 Opts.ProgramAction = frontend::EmitAssembly; break; 1334 case OPT_emit_llvm_bc: 1335 Opts.ProgramAction = frontend::EmitBC; break; 1336 case OPT_emit_html: 1337 Opts.ProgramAction = frontend::EmitHTML; break; 1338 case OPT_emit_llvm: 1339 Opts.ProgramAction = frontend::EmitLLVM; break; 1340 case OPT_emit_llvm_only: 1341 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1342 case OPT_emit_codegen_only: 1343 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1344 case OPT_emit_obj: 1345 Opts.ProgramAction = frontend::EmitObj; break; 1346 case OPT_fixit_EQ: 1347 Opts.FixItSuffix = A->getValue(Args); 1348 // fall-through! 1349 case OPT_fixit: 1350 Opts.ProgramAction = frontend::FixIt; break; 1351 case OPT_emit_module: 1352 Opts.ProgramAction = frontend::GenerateModule; break; 1353 case OPT_emit_pch: 1354 Opts.ProgramAction = frontend::GeneratePCH; break; 1355 case OPT_emit_pth: 1356 Opts.ProgramAction = frontend::GeneratePTH; break; 1357 case OPT_init_only: 1358 Opts.ProgramAction = frontend::InitOnly; break; 1359 case OPT_fsyntax_only: 1360 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1361 case OPT_print_decl_contexts: 1362 Opts.ProgramAction = frontend::PrintDeclContext; break; 1363 case OPT_print_preamble: 1364 Opts.ProgramAction = frontend::PrintPreamble; break; 1365 case OPT_E: 1366 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1367 case OPT_pubnames_dump: 1368 Opts.ProgramAction = frontend::PubnamesDump; break; 1369 case OPT_rewrite_macros: 1370 Opts.ProgramAction = frontend::RewriteMacros; break; 1371 case OPT_rewrite_objc: 1372 Opts.ProgramAction = frontend::RewriteObjC; break; 1373 case OPT_rewrite_test: 1374 Opts.ProgramAction = frontend::RewriteTest; break; 1375 case OPT_analyze: 1376 Opts.ProgramAction = frontend::RunAnalysis; break; 1377 case OPT_migrate: 1378 Opts.ProgramAction = frontend::MigrateSource; break; 1379 case OPT_Eonly: 1380 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1381 } 1382 } 1383 1384 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1385 Opts.Plugins.push_back(A->getValue(Args,0)); 1386 Opts.ProgramAction = frontend::PluginAction; 1387 Opts.ActionName = A->getValue(Args); 1388 1389 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1390 end = Args.filtered_end(); it != end; ++it) { 1391 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1392 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1393 } 1394 } 1395 1396 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1397 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1398 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1399 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1400 end = Args.filtered_end(); it != end; ++it) { 1401 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1402 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1403 } 1404 } 1405 1406 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1407 Opts.CodeCompletionAt = 1408 ParsedSourceLocation::FromString(A->getValue(Args)); 1409 if (Opts.CodeCompletionAt.FileName.empty()) 1410 Diags.Report(diag::err_drv_invalid_value) 1411 << A->getAsString(Args) << A->getValue(Args); 1412 } 1413 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1414 1415 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1416 Opts.Plugins = Args.getAllArgValues(OPT_load); 1417 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1418 Opts.ShowHelp = Args.hasArg(OPT_help); 1419 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1420 Opts.ShowCodePatternsInCodeCompletion 1421 = Args.hasArg(OPT_code_completion_patterns); 1422 Opts.ShowGlobalSymbolsInCodeCompletion 1423 = !Args.hasArg(OPT_no_code_completion_globals); 1424 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1425 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1426 Opts.ShowVersion = Args.hasArg(OPT_version); 1427 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1428 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1429 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1430 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1431 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1432 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1433 Opts.OverrideRecordLayoutsFile 1434 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1435 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1436 OPT_arcmt_modify, 1437 OPT_arcmt_migrate)) { 1438 switch (A->getOption().getID()) { 1439 default: 1440 llvm_unreachable("missed a case"); 1441 case OPT_arcmt_check: 1442 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1443 break; 1444 case OPT_arcmt_modify: 1445 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1446 break; 1447 case OPT_arcmt_migrate: 1448 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1449 break; 1450 } 1451 } 1452 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1453 Opts.ARCMTMigrateReportOut 1454 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1455 Opts.ARCMTMigrateEmitARCErrors 1456 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1457 1458 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1459 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1460 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1461 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1462 1463 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1464 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1465 Diags.Report(diag::err_drv_argument_not_allowed_with) 1466 << "ARC migration" << "ObjC migration"; 1467 } 1468 1469 InputKind DashX = IK_None; 1470 if (const Arg *A = Args.getLastArg(OPT_x)) { 1471 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1472 .Case("c", IK_C) 1473 .Case("cl", IK_OpenCL) 1474 .Case("cuda", IK_CUDA) 1475 .Case("c++", IK_CXX) 1476 .Case("objective-c", IK_ObjC) 1477 .Case("objective-c++", IK_ObjCXX) 1478 .Case("cpp-output", IK_PreprocessedC) 1479 .Case("assembler-with-cpp", IK_Asm) 1480 .Case("c++-cpp-output", IK_PreprocessedCXX) 1481 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1482 .Case("objc-cpp-output", IK_PreprocessedObjC) 1483 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1484 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1485 .Case("c-header", IK_C) 1486 .Case("cl-header", IK_OpenCL) 1487 .Case("objective-c-header", IK_ObjC) 1488 .Case("c++-header", IK_CXX) 1489 .Case("objective-c++-header", IK_ObjCXX) 1490 .Case("ast", IK_AST) 1491 .Case("ir", IK_LLVM_IR) 1492 .Default(IK_None); 1493 if (DashX == IK_None) 1494 Diags.Report(diag::err_drv_invalid_value) 1495 << A->getAsString(Args) << A->getValue(Args); 1496 } 1497 1498 // '-' is the default input if none is given. 1499 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1500 Opts.Inputs.clear(); 1501 if (Inputs.empty()) 1502 Inputs.push_back("-"); 1503 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1504 InputKind IK = DashX; 1505 if (IK == IK_None) { 1506 IK = FrontendOptions::getInputKindForExtension( 1507 StringRef(Inputs[i]).rsplit('.').second); 1508 // FIXME: Remove this hack. 1509 if (i == 0) 1510 DashX = IK; 1511 } 1512 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1513 } 1514 1515 return DashX; 1516 } 1517 1518 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1519 void *MainAddr) { 1520 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1521 1522 if (!P.isEmpty()) { 1523 P.eraseComponent(); // Remove /clang from foo/bin/clang 1524 P.eraseComponent(); // Remove /bin from foo/bin 1525 1526 // Get foo/lib/clang/<version>/include 1527 P.appendComponent("lib"); 1528 P.appendComponent("clang"); 1529 P.appendComponent(CLANG_VERSION_STRING); 1530 } 1531 1532 return P.str(); 1533 } 1534 1535 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1536 using namespace cc1options; 1537 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1538 Opts.Verbose = Args.hasArg(OPT_v); 1539 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1540 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1541 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1542 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1543 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1544 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1545 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1546 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1547 1548 // Add -I..., -F..., and -index-header-map options in order. 1549 bool IsIndexHeaderMap = false; 1550 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1551 OPT_index_header_map), 1552 ie = Args.filtered_end(); it != ie; ++it) { 1553 if ((*it)->getOption().matches(OPT_index_header_map)) { 1554 // -index-header-map applies to the next -I or -F. 1555 IsIndexHeaderMap = true; 1556 continue; 1557 } 1558 1559 frontend::IncludeDirGroup Group 1560 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1561 1562 Opts.AddPath((*it)->getValue(Args), Group, true, 1563 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1564 IsIndexHeaderMap = false; 1565 } 1566 1567 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1568 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1569 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1570 OPT_iwithprefixbefore), 1571 ie = Args.filtered_end(); it != ie; ++it) { 1572 const Arg *A = *it; 1573 if (A->getOption().matches(OPT_iprefix)) 1574 Prefix = A->getValue(Args); 1575 else if (A->getOption().matches(OPT_iwithprefix)) 1576 Opts.AddPath(Prefix.str() + A->getValue(Args), 1577 frontend::System, false, false, false); 1578 else 1579 Opts.AddPath(Prefix.str() + A->getValue(Args), 1580 frontend::Angled, false, false, false); 1581 } 1582 1583 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1584 ie = Args.filtered_end(); it != ie; ++it) 1585 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1586 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1587 ie = Args.filtered_end(); it != ie; ++it) 1588 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1589 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1590 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1591 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1592 !(*it)->getOption().matches(OPT_iwithsysroot)); 1593 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1594 ie = Args.filtered_end(); it != ie; ++it) 1595 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1596 true); 1597 1598 // Add the paths for the various language specific isystem flags. 1599 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1600 ie = Args.filtered_end(); it != ie; ++it) 1601 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1602 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1603 ie = Args.filtered_end(); it != ie; ++it) 1604 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1605 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1606 ie = Args.filtered_end(); it != ie; ++it) 1607 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1608 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1609 ie = Args.filtered_end(); it != ie; ++it) 1610 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1611 true); 1612 1613 // Add the internal paths from a driver that detects standard include paths. 1614 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1615 OPT_internal_externc_isystem), 1616 E = Args.filtered_end(); 1617 I != E; ++I) 1618 Opts.AddPath((*I)->getValue(Args), frontend::System, 1619 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1620 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1621 } 1622 1623 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1624 LangStandard::Kind LangStd) { 1625 // Set some properties which depend solely on the input kind; it would be nice 1626 // to move these to the language standard, and have the driver resolve the 1627 // input kind + language standard. 1628 if (IK == IK_Asm) { 1629 Opts.AsmPreprocessor = 1; 1630 } else if (IK == IK_ObjC || 1631 IK == IK_ObjCXX || 1632 IK == IK_PreprocessedObjC || 1633 IK == IK_PreprocessedObjCXX) { 1634 Opts.ObjC1 = Opts.ObjC2 = 1; 1635 } 1636 1637 if (LangStd == LangStandard::lang_unspecified) { 1638 // Based on the base language, pick one. 1639 switch (IK) { 1640 case IK_None: 1641 case IK_AST: 1642 case IK_LLVM_IR: 1643 llvm_unreachable("Invalid input kind!"); 1644 case IK_OpenCL: 1645 LangStd = LangStandard::lang_opencl; 1646 break; 1647 case IK_CUDA: 1648 LangStd = LangStandard::lang_cuda; 1649 break; 1650 case IK_Asm: 1651 case IK_C: 1652 case IK_PreprocessedC: 1653 case IK_ObjC: 1654 case IK_PreprocessedObjC: 1655 LangStd = LangStandard::lang_gnu99; 1656 break; 1657 case IK_CXX: 1658 case IK_PreprocessedCXX: 1659 case IK_ObjCXX: 1660 case IK_PreprocessedObjCXX: 1661 LangStd = LangStandard::lang_gnucxx98; 1662 break; 1663 } 1664 } 1665 1666 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1667 Opts.BCPLComment = Std.hasBCPLComments(); 1668 Opts.C99 = Std.isC99(); 1669 Opts.C11 = Std.isC11(); 1670 Opts.CPlusPlus = Std.isCPlusPlus(); 1671 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1672 Opts.Digraphs = Std.hasDigraphs(); 1673 Opts.GNUMode = Std.isGNUMode(); 1674 Opts.GNUInline = !Std.isC99(); 1675 Opts.HexFloats = Std.hasHexFloats(); 1676 Opts.ImplicitInt = Std.hasImplicitInt(); 1677 1678 // OpenCL has some additional defaults. 1679 if (LangStd == LangStandard::lang_opencl) { 1680 Opts.OpenCL = 1; 1681 Opts.AltiVec = 0; 1682 Opts.CXXOperatorNames = 1; 1683 Opts.LaxVectorConversions = 0; 1684 Opts.DefaultFPContract = 1; 1685 } 1686 1687 if (LangStd == LangStandard::lang_cuda) 1688 Opts.CUDA = 1; 1689 1690 // OpenCL and C++ both have bool, true, false keywords. 1691 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1692 1693 Opts.GNUKeywords = Opts.GNUMode; 1694 Opts.CXXOperatorNames = Opts.CPlusPlus; 1695 1696 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1697 // is specified, or -std is set to a conforming mode. 1698 Opts.Trigraphs = !Opts.GNUMode; 1699 1700 Opts.DollarIdents = !Opts.AsmPreprocessor; 1701 } 1702 1703 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1704 DiagnosticsEngine &Diags) { 1705 // FIXME: Cleanup per-file based stuff. 1706 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1707 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1708 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1709 #define LANGSTANDARD(id, name, desc, features) \ 1710 .Case(name, LangStandard::lang_##id) 1711 #include "clang/Frontend/LangStandards.def" 1712 .Default(LangStandard::lang_unspecified); 1713 if (LangStd == LangStandard::lang_unspecified) 1714 Diags.Report(diag::err_drv_invalid_value) 1715 << A->getAsString(Args) << A->getValue(Args); 1716 else { 1717 // Valid standard, check to make sure language and standard are compatable. 1718 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1719 switch (IK) { 1720 case IK_C: 1721 case IK_ObjC: 1722 case IK_PreprocessedC: 1723 case IK_PreprocessedObjC: 1724 if (!(Std.isC89() || Std.isC99())) 1725 Diags.Report(diag::err_drv_argument_not_allowed_with) 1726 << A->getAsString(Args) << "C/ObjC"; 1727 break; 1728 case IK_CXX: 1729 case IK_ObjCXX: 1730 case IK_PreprocessedCXX: 1731 case IK_PreprocessedObjCXX: 1732 if (!Std.isCPlusPlus()) 1733 Diags.Report(diag::err_drv_argument_not_allowed_with) 1734 << A->getAsString(Args) << "C++/ObjC++"; 1735 break; 1736 case IK_OpenCL: 1737 if (!Std.isC99()) 1738 Diags.Report(diag::err_drv_argument_not_allowed_with) 1739 << A->getAsString(Args) << "OpenCL"; 1740 break; 1741 case IK_CUDA: 1742 if (!Std.isCPlusPlus()) 1743 Diags.Report(diag::err_drv_argument_not_allowed_with) 1744 << A->getAsString(Args) << "CUDA"; 1745 break; 1746 default: 1747 break; 1748 } 1749 } 1750 } 1751 1752 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1753 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1754 Diags.Report(diag::err_drv_invalid_value) 1755 << A->getAsString(Args) << A->getValue(Args); 1756 } 1757 } 1758 1759 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1760 1761 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1762 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1763 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1764 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1765 // name, as it doesn't seem a useful distinction. 1766 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1767 Opts.GNUKeywords); 1768 1769 if (Args.hasArg(OPT_fno_operator_names)) 1770 Opts.CXXOperatorNames = 0; 1771 1772 if (Opts.ObjC1) { 1773 if (Args.hasArg(OPT_fobjc_gc_only)) 1774 Opts.setGC(LangOptions::GCOnly); 1775 else if (Args.hasArg(OPT_fobjc_gc)) 1776 Opts.setGC(LangOptions::HybridGC); 1777 else if (Args.hasArg(OPT_fobjc_arc)) { 1778 Opts.ObjCAutoRefCount = 1; 1779 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1780 Diags.Report(diag::err_arc_nonfragile_abi); 1781 } 1782 1783 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1784 Opts.ObjCRuntimeHasWeak = 1; 1785 1786 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1787 Opts.ObjCInferRelatedResultType = 0; 1788 } 1789 1790 if (Args.hasArg(OPT_fgnu89_inline)) 1791 Opts.GNUInline = 1; 1792 1793 if (Args.hasArg(OPT_fapple_kext)) { 1794 if (!Opts.CPlusPlus) 1795 Diags.Report(diag::warn_c_kext); 1796 else 1797 Opts.AppleKext = 1; 1798 } 1799 1800 if (Args.hasArg(OPT_print_ivar_layout)) 1801 Opts.ObjCGCBitmapPrint = 1; 1802 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1803 Opts.NoConstantCFStrings = 1; 1804 1805 if (Args.hasArg(OPT_faltivec)) 1806 Opts.AltiVec = 1; 1807 1808 if (Args.hasArg(OPT_pthread)) 1809 Opts.POSIXThreads = 1; 1810 1811 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1812 Opts.DelayedTemplateParsing = 1; 1813 1814 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1815 if (Vis == "default") 1816 Opts.setVisibilityMode(DefaultVisibility); 1817 else if (Vis == "hidden") 1818 Opts.setVisibilityMode(HiddenVisibility); 1819 else if (Vis == "protected") 1820 // FIXME: diagnose if target does not support protected visibility 1821 Opts.setVisibilityMode(ProtectedVisibility); 1822 else 1823 Diags.Report(diag::err_drv_invalid_value) 1824 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1825 1826 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1827 Opts.InlineVisibilityHidden = 1; 1828 1829 if (Args.hasArg(OPT_ftrapv)) { 1830 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1831 // Set the handler, if one is specified. 1832 Opts.OverflowHandler = 1833 Args.getLastArgValue(OPT_ftrapv_handler); 1834 } 1835 else if (Args.hasArg(OPT_fwrapv)) 1836 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1837 1838 if (Args.hasArg(OPT_trigraphs)) 1839 Opts.Trigraphs = 1; 1840 1841 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1842 OPT_fno_dollars_in_identifiers, 1843 Opts.DollarIdents); 1844 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1845 Opts.MicrosoftExt 1846 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1847 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1848 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1849 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1850 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1851 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1852 Opts.ConstStrings); 1853 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1854 Opts.LaxVectorConversions = 0; 1855 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1856 Opts.ThreadsafeStatics = 0; 1857 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1858 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1859 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1860 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1861 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1862 1863 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1864 Opts.Blocks = Args.hasArg(OPT_fblocks); 1865 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1866 Opts.Modules = Args.hasArg(OPT_fmodules); 1867 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1868 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1869 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1870 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1871 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1872 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1873 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1874 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1875 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1876 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1877 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1878 Diags); 1879 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1880 Diags); 1881 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1882 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1883 0, Diags); 1884 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1885 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1886 Opts.ObjCConstantStringClass = 1887 Args.getLastArgValue(OPT_fconstant_string_class); 1888 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1889 if (Opts.ObjCNonFragileABI) 1890 Opts.ObjCNonFragileABI2 = true; 1891 Opts.ObjCDefaultSynthProperties = 1892 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1893 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1894 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1895 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1896 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1897 Opts.Static = Args.hasArg(OPT_static_define); 1898 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1899 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1900 || Args.hasArg(OPT_fdump_record_layouts); 1901 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1902 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1903 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1904 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1905 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1906 Opts.MRTD = Args.hasArg(OPT_mrtd); 1907 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1908 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1909 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1910 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1911 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1912 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1913 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1914 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1915 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1916 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1917 1918 // Record whether the __DEPRECATED define was requested. 1919 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1920 OPT_fno_deprecated_macro, 1921 Opts.Deprecated); 1922 1923 // FIXME: Eliminate this dependency. 1924 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1925 Opts.Optimize = Opt != 0; 1926 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1927 1928 // This is the __NO_INLINE__ define, which just depends on things like the 1929 // optimization level and -fno-inline, not actually whether the backend has 1930 // inlining enabled. 1931 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1932 1933 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1934 1935 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1936 switch (SSP) { 1937 default: 1938 Diags.Report(diag::err_drv_invalid_value) 1939 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1940 break; 1941 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1942 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1943 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1944 } 1945 } 1946 1947 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1948 FileManager &FileMgr, 1949 DiagnosticsEngine &Diags) { 1950 using namespace cc1options; 1951 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1952 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1953 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1954 Opts.TokenCache = A->getValue(Args); 1955 else 1956 Opts.TokenCache = Opts.ImplicitPTHInclude; 1957 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1958 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1959 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1960 1961 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1962 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1963 ie = Args.filtered_end(); it != ie; ++it) { 1964 const Arg *A = *it; 1965 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1966 } 1967 1968 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1969 StringRef Value(A->getValue(Args)); 1970 size_t Comma = Value.find(','); 1971 unsigned Bytes = 0; 1972 unsigned EndOfLine = 0; 1973 1974 if (Comma == StringRef::npos || 1975 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1976 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1977 Diags.Report(diag::err_drv_preamble_format); 1978 else { 1979 Opts.PrecompiledPreambleBytes.first = Bytes; 1980 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1981 } 1982 } 1983 1984 // Add macros from the command line. 1985 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1986 ie = Args.filtered_end(); it != ie; ++it) { 1987 if ((*it)->getOption().matches(OPT_D)) 1988 Opts.addMacroDef((*it)->getValue(Args)); 1989 else 1990 Opts.addMacroUndef((*it)->getValue(Args)); 1991 } 1992 1993 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1994 1995 // Add the ordered list of -includes. 1996 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1997 OPT_include_pth), 1998 ie = Args.filtered_end(); it != ie; ++it) { 1999 const Arg *A = *it; 2000 // PCH is handled specially, we need to extra the original include path. 2001 if (A->getOption().matches(OPT_include_pch)) { 2002 std::string OriginalFile = 2003 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2004 if (OriginalFile.empty()) 2005 continue; 2006 2007 Opts.Includes.push_back(OriginalFile); 2008 } else 2009 Opts.Includes.push_back(A->getValue(Args)); 2010 } 2011 2012 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2013 ie = Args.filtered_end(); it != ie; ++it) { 2014 const Arg *A = *it; 2015 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2016 } 2017 2018 // Include 'altivec.h' if -faltivec option present 2019 if (Args.hasArg(OPT_faltivec)) 2020 Opts.Includes.push_back("altivec.h"); 2021 2022 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2023 ie = Args.filtered_end(); it != ie; ++it) { 2024 const Arg *A = *it; 2025 std::pair<StringRef,StringRef> Split = 2026 StringRef(A->getValue(Args)).split(';'); 2027 2028 if (Split.second.empty()) { 2029 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2030 continue; 2031 } 2032 2033 Opts.addRemappedFile(Split.first, Split.second); 2034 } 2035 2036 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2037 StringRef Name = A->getValue(Args); 2038 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2039 .Case("libc++", ARCXX_libcxx) 2040 .Case("libstdc++", ARCXX_libstdcxx) 2041 .Case("none", ARCXX_nolib) 2042 .Default(~0U); 2043 if (Library == ~0U) 2044 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2045 else 2046 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2047 } 2048 } 2049 2050 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2051 ArgList &Args) { 2052 using namespace cc1options; 2053 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2054 Opts.ShowComments = Args.hasArg(OPT_C); 2055 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2056 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2057 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2058 } 2059 2060 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2061 using namespace cc1options; 2062 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2063 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2064 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2065 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2066 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2067 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2068 2069 // Use the default target triple if unspecified. 2070 if (Opts.Triple.empty()) 2071 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2072 } 2073 2074 // 2075 2076 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2077 const char *const *ArgBegin, 2078 const char *const *ArgEnd, 2079 DiagnosticsEngine &Diags) { 2080 bool Success = true; 2081 2082 // Parse the arguments. 2083 OwningPtr<OptTable> Opts(createCC1OptTable()); 2084 unsigned MissingArgIndex, MissingArgCount; 2085 OwningPtr<InputArgList> Args( 2086 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2087 2088 // Check for missing argument error. 2089 if (MissingArgCount) { 2090 Diags.Report(diag::err_drv_missing_argument) 2091 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2092 Success = false; 2093 } 2094 2095 // Issue errors on unknown arguments. 2096 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2097 ie = Args->filtered_end(); it != ie; ++it) { 2098 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2099 Success = false; 2100 } 2101 2102 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2103 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2104 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2105 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2106 && Success; 2107 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2108 // FIXME: We shouldn't have to pass the DashX option around here 2109 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2110 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2111 && Success; 2112 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2113 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2114 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2115 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2116 Res.getLangOpts()->ObjCExceptions = 1; 2117 } 2118 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2119 // PCH file and find the original header name. Remove the need to do that in 2120 // ParsePreprocessorArgs and remove the FileManager 2121 // parameters from the function and the "FileManager.h" #include. 2122 FileManager FileMgr(Res.getFileSystemOpts()); 2123 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2124 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2125 ParseTargetArgs(Res.getTargetOpts(), *Args); 2126 2127 return Success; 2128 } 2129 2130 namespace { 2131 2132 class ModuleSignature { 2133 llvm::SmallVector<uint64_t, 16> Data; 2134 unsigned CurBit; 2135 uint64_t CurValue; 2136 2137 public: 2138 ModuleSignature() : CurBit(0), CurValue(0) { } 2139 2140 void add(uint64_t Value, unsigned Bits); 2141 void add(StringRef Value); 2142 void flush(); 2143 2144 llvm::APInt getAsInteger() const; 2145 }; 2146 } 2147 2148 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2149 CurValue |= Value << CurBit; 2150 if (CurBit + NumBits < 64) { 2151 CurBit += NumBits; 2152 return; 2153 } 2154 2155 // Add the current word. 2156 Data.push_back(CurValue); 2157 2158 if (CurBit) 2159 CurValue = Value >> (64-CurBit); 2160 else 2161 CurValue = 0; 2162 CurBit = (CurBit+NumBits) & 63; 2163 } 2164 2165 void ModuleSignature::flush() { 2166 if (CurBit == 0) 2167 return; 2168 2169 Data.push_back(CurValue); 2170 CurBit = 0; 2171 CurValue = 0; 2172 } 2173 2174 void ModuleSignature::add(StringRef Value) { 2175 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2176 add(*I, 8); 2177 } 2178 2179 llvm::APInt ModuleSignature::getAsInteger() const { 2180 return llvm::APInt(Data.size() * 64, Data); 2181 } 2182 2183 std::string CompilerInvocation::getModuleHash() const { 2184 ModuleSignature Signature; 2185 2186 // Start the signature with the compiler version. 2187 // FIXME: The full version string can be quite long. Omit it from the 2188 // module hash for now to avoid failures where the path name becomes too 2189 // long. An MD5 or similar checksum would work well here. 2190 // Signature.add(getClangFullRepositoryVersion()); 2191 2192 // Extend the signature with the language options 2193 #define LANGOPT(Name, Bits, Default, Description) \ 2194 Signature.add(LangOpts->Name, Bits); 2195 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2196 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2197 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2198 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2199 #include "clang/Basic/LangOptions.def" 2200 2201 // Extend the signature with the target triple 2202 llvm::Triple T(TargetOpts.Triple); 2203 Signature.add((unsigned)T.getArch(), 5); 2204 Signature.add((unsigned)T.getVendor(), 4); 2205 Signature.add((unsigned)T.getOS(), 5); 2206 Signature.add((unsigned)T.getEnvironment(), 4); 2207 2208 // Extend the signature with preprocessor options. 2209 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2210 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2211 2212 // Hash the preprocessor defines. 2213 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2214 std::vector<StringRef> MacroDefs; 2215 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2216 I = getPreprocessorOpts().Macros.begin(), 2217 IEnd = getPreprocessorOpts().Macros.end(); 2218 I != IEnd; ++I) { 2219 if (!I->second) 2220 MacroDefs.push_back(I->first); 2221 } 2222 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2223 2224 unsigned PPHashResult = 0; 2225 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2226 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2227 Signature.add(PPHashResult, 32); 2228 2229 // We've generated the signature. Treat it as one large APInt that we'll 2230 // encode in base-36 and return. 2231 Signature.flush(); 2232 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2233 } 2234