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.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 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.StrictEnums) 290 Res.push_back("-fstrict-enums"); 291 if (Opts.UnwindTables) 292 Res.push_back("-munwind-tables"); 293 if (Opts.RelocationModel != "pic") 294 Res.push_back("-mrelocation-model", Opts.RelocationModel); 295 if (!Opts.VerifyModule) 296 Res.push_back("-disable-llvm-verifier"); 297 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 298 Res.push_back("-backend-option", Opts.BackendOptions[i]); 299 } 300 301 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 302 ToArgsList &Res) { 303 if (Opts.IncludeSystemHeaders) 304 Res.push_back("-sys-header-deps"); 305 if (Opts.ShowHeaderIncludes) 306 Res.push_back("-H"); 307 if (!Opts.HeaderIncludeOutputFile.empty()) 308 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 309 if (Opts.UsePhonyTargets) 310 Res.push_back("-MP"); 311 if (!Opts.OutputFile.empty()) 312 Res.push_back("-dependency-file", Opts.OutputFile); 313 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 314 Res.push_back("-MT", Opts.Targets[i]); 315 } 316 317 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 318 ToArgsList &Res) { 319 if (Opts.IgnoreWarnings) 320 Res.push_back("-w"); 321 if (Opts.NoRewriteMacros) 322 Res.push_back("-Wno-rewrite-macros"); 323 if (Opts.Pedantic) 324 Res.push_back("-pedantic"); 325 if (Opts.PedanticErrors) 326 Res.push_back("-pedantic-errors"); 327 if (!Opts.ShowColumn) 328 Res.push_back("-fno-show-column"); 329 if (!Opts.ShowLocation) 330 Res.push_back("-fno-show-source-location"); 331 if (!Opts.ShowCarets) 332 Res.push_back("-fno-caret-diagnostics"); 333 if (!Opts.ShowFixits) 334 Res.push_back("-fno-diagnostics-fixit-info"); 335 if (Opts.ShowSourceRanges) 336 Res.push_back("-fdiagnostics-print-source-range-info"); 337 if (Opts.ShowParseableFixits) 338 Res.push_back("-fdiagnostics-parseable-fixits"); 339 if (Opts.ShowColors) 340 Res.push_back("-fcolor-diagnostics"); 341 if (Opts.VerifyDiagnostics) 342 Res.push_back("-verify"); 343 if (Opts.ShowOptionNames) 344 Res.push_back("-fdiagnostics-show-option"); 345 if (Opts.ShowCategories == 1) 346 Res.push_back("-fdiagnostics-show-category=id"); 347 else if (Opts.ShowCategories == 2) 348 Res.push_back("-fdiagnostics-show-category=name"); 349 switch (Opts.Format) { 350 case DiagnosticOptions::Clang: 351 Res.push_back("-fdiagnostics-format=clang"); break; 352 case DiagnosticOptions::Msvc: 353 Res.push_back("-fdiagnostics-format=msvc"); break; 354 case DiagnosticOptions::Vi: 355 Res.push_back("-fdiagnostics-format=vi"); break; 356 } 357 if (Opts.ErrorLimit) 358 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 359 if (!Opts.DiagnosticLogFile.empty()) 360 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 361 if (Opts.MacroBacktraceLimit 362 != DiagnosticOptions::DefaultMacroBacktraceLimit) 363 Res.push_back("-fmacro-backtrace-limit", 364 llvm::utostr(Opts.MacroBacktraceLimit)); 365 if (Opts.TemplateBacktraceLimit 366 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 367 Res.push_back("-ftemplate-backtrace-limit", 368 llvm::utostr(Opts.TemplateBacktraceLimit)); 369 if (Opts.ConstexprBacktraceLimit 370 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 371 Res.push_back("-fconstexpr-backtrace-limit", 372 llvm::utostr(Opts.ConstexprBacktraceLimit)); 373 374 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 375 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 376 if (Opts.MessageLength) 377 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 378 if (!Opts.DumpBuildInformation.empty()) 379 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 380 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 381 Res.push_back("-W" + Opts.Warnings[i]); 382 } 383 384 static const char *getInputKindName(InputKind Kind) { 385 switch (Kind) { 386 case IK_None: break; 387 case IK_AST: return "ast"; 388 case IK_Asm: return "assembler-with-cpp"; 389 case IK_C: return "c"; 390 case IK_CXX: return "c++"; 391 case IK_LLVM_IR: return "ir"; 392 case IK_ObjC: return "objective-c"; 393 case IK_ObjCXX: return "objective-c++"; 394 case IK_OpenCL: return "cl"; 395 case IK_CUDA: return "cuda"; 396 case IK_PreprocessedC: return "cpp-output"; 397 case IK_PreprocessedCXX: return "c++-cpp-output"; 398 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 399 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 400 } 401 402 llvm_unreachable("Unexpected language kind!"); 403 } 404 405 static const char *getActionName(frontend::ActionKind Kind) { 406 switch (Kind) { 407 case frontend::PluginAction: 408 llvm_unreachable("Invalid kind!"); 409 410 case frontend::ASTDump: return "-ast-dump"; 411 case frontend::ASTDumpXML: return "-ast-dump-xml"; 412 case frontend::ASTPrint: return "-ast-print"; 413 case frontend::ASTView: return "-ast-view"; 414 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 415 case frontend::DumpTokens: return "-dump-tokens"; 416 case frontend::EmitAssembly: return "-S"; 417 case frontend::EmitBC: return "-emit-llvm-bc"; 418 case frontend::EmitHTML: return "-emit-html"; 419 case frontend::EmitLLVM: return "-emit-llvm"; 420 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 421 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 422 case frontend::EmitObj: return "-emit-obj"; 423 case frontend::FixIt: return "-fixit"; 424 case frontend::GenerateModule: return "-emit-module"; 425 case frontend::GeneratePCH: return "-emit-pch"; 426 case frontend::GeneratePTH: return "-emit-pth"; 427 case frontend::InitOnly: return "-init-only"; 428 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 429 case frontend::PrintDeclContext: return "-print-decl-contexts"; 430 case frontend::PrintPreamble: return "-print-preamble"; 431 case frontend::PrintPreprocessedInput: return "-E"; 432 case frontend::RewriteMacros: return "-rewrite-macros"; 433 case frontend::RewriteObjC: return "-rewrite-objc"; 434 case frontend::RewriteTest: return "-rewrite-test"; 435 case frontend::RunAnalysis: return "-analyze"; 436 case frontend::MigrateSource: return "-migrate"; 437 case frontend::RunPreprocessorOnly: return "-Eonly"; 438 } 439 440 llvm_unreachable("Unexpected language kind!"); 441 } 442 443 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 444 if (!Opts.WorkingDir.empty()) 445 Res.push_back("-working-directory", Opts.WorkingDir); 446 } 447 448 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 449 if (Opts.DisableFree) 450 Res.push_back("-disable-free"); 451 if (Opts.RelocatablePCH) 452 Res.push_back("-relocatable-pch"); 453 if (Opts.ShowHelp) 454 Res.push_back("-help"); 455 if (Opts.ShowMacrosInCodeCompletion) 456 Res.push_back("-code-completion-macros"); 457 if (Opts.ShowCodePatternsInCodeCompletion) 458 Res.push_back("-code-completion-patterns"); 459 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 460 Res.push_back("-no-code-completion-globals"); 461 if (Opts.ShowStats) 462 Res.push_back("-print-stats"); 463 if (Opts.ShowTimers) 464 Res.push_back("-ftime-report"); 465 if (Opts.ShowVersion) 466 Res.push_back("-version"); 467 if (Opts.FixWhatYouCan) 468 Res.push_back("-fix-what-you-can"); 469 if (Opts.FixOnlyWarnings) 470 Res.push_back("-fix-only-warnings"); 471 if (Opts.FixAndRecompile) 472 Res.push_back("-fixit-recompile"); 473 if (Opts.FixToTemporaries) 474 Res.push_back("-fixit-to-temporary"); 475 switch (Opts.ARCMTAction) { 476 case FrontendOptions::ARCMT_None: 477 break; 478 case FrontendOptions::ARCMT_Check: 479 Res.push_back("-arcmt-check"); 480 break; 481 case FrontendOptions::ARCMT_Modify: 482 Res.push_back("-arcmt-modify"); 483 break; 484 case FrontendOptions::ARCMT_Migrate: 485 Res.push_back("-arcmt-migrate"); 486 break; 487 } 488 if (!Opts.MTMigrateDir.empty()) 489 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 490 if (!Opts.ARCMTMigrateReportOut.empty()) 491 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 492 if (Opts.ARCMTMigrateEmitARCErrors) 493 Res.push_back("-arcmt-migrate-emit-errors"); 494 495 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 496 Res.push_back("-objcmt-migrate-literals"); 497 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 498 Res.push_back("-objcmt-migrate-subscripting"); 499 500 bool NeedLang = false; 501 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 502 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 503 Opts.Inputs[i].Kind) 504 NeedLang = true; 505 if (NeedLang) 506 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 507 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 508 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 509 "Unable to represent this input vector!"); 510 Res.push_back(Opts.Inputs[i].File); 511 } 512 513 if (!Opts.OutputFile.empty()) 514 Res.push_back("-o", Opts.OutputFile); 515 if (!Opts.CodeCompletionAt.FileName.empty()) 516 Res.push_back("-code-completion-at", 517 Opts.CodeCompletionAt.FileName + ":" + 518 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 519 llvm::utostr(Opts.CodeCompletionAt.Column)); 520 if (Opts.ProgramAction != frontend::PluginAction) 521 Res.push_back(getActionName(Opts.ProgramAction)); 522 if (!Opts.ActionName.empty()) { 523 Res.push_back("-plugin", Opts.ActionName); 524 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 525 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 526 } 527 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 528 Res.push_back("-load", Opts.Plugins[i]); 529 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 530 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 531 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 532 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 533 Opts.AddPluginArgs[i][ai]); 534 } 535 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 536 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 537 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 538 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 539 if (!Opts.OverrideRecordLayoutsFile.empty()) 540 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 541 } 542 543 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 544 ToArgsList &Res) { 545 if (Opts.Sysroot != "/") { 546 Res.push_back("-isysroot"); 547 Res.push_back(Opts.Sysroot); 548 } 549 550 /// User specified include entries. 551 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 552 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 553 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 554 llvm::report_fatal_error("Invalid option set!"); 555 if (E.IsUserSupplied) { 556 switch (E.Group) { 557 case frontend::After: 558 Res.push_back("-idirafter"); 559 break; 560 561 case frontend::Quoted: 562 Res.push_back("-iquote"); 563 break; 564 565 case frontend::System: 566 Res.push_back("-isystem"); 567 break; 568 569 case frontend::IndexHeaderMap: 570 Res.push_back("-index-header-map"); 571 Res.push_back(E.IsFramework? "-F" : "-I"); 572 break; 573 574 case frontend::CSystem: 575 Res.push_back("-c-isystem"); 576 break; 577 578 case frontend::CXXSystem: 579 Res.push_back("-cxx-isystem"); 580 break; 581 582 case frontend::ObjCSystem: 583 Res.push_back("-objc-isystem"); 584 break; 585 586 case frontend::ObjCXXSystem: 587 Res.push_back("-objcxx-isystem"); 588 break; 589 590 case frontend::Angled: 591 Res.push_back(E.IsFramework ? "-F" : "-I"); 592 break; 593 } 594 } else { 595 if (E.IsInternal) { 596 assert(E.Group == frontend::System && "Unexpected header search group"); 597 if (E.ImplicitExternC) 598 Res.push_back("-internal-externc-isystem"); 599 else 600 Res.push_back("-internal-isystem"); 601 } else { 602 if (E.Group != frontend::Angled && E.Group != frontend::System) 603 llvm::report_fatal_error("Invalid option set!"); 604 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 605 "-iwithprefix"); 606 } 607 } 608 Res.push_back(E.Path); 609 } 610 611 if (!Opts.ResourceDir.empty()) 612 Res.push_back("-resource-dir", Opts.ResourceDir); 613 if (!Opts.ModuleCachePath.empty()) 614 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 615 if (!Opts.UseStandardSystemIncludes) 616 Res.push_back("-nostdsysteminc"); 617 if (!Opts.UseStandardCXXIncludes) 618 Res.push_back("-nostdinc++"); 619 if (Opts.UseLibcxx) 620 Res.push_back("-stdlib=libc++"); 621 if (Opts.Verbose) 622 Res.push_back("-v"); 623 } 624 625 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 626 LangOptions DefaultLangOpts; 627 628 // FIXME: Need to set -std to get all the implicit options. 629 630 // FIXME: We want to only pass options relative to the defaults, which 631 // requires constructing a target. :( 632 // 633 // It would be better to push the all target specific choices into the driver, 634 // so that everything below that was more uniform. 635 636 if (Opts.Trigraphs) 637 Res.push_back("-trigraphs"); 638 // Implicit based on the input kind: 639 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 640 // Implicit based on the input language standard: 641 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 642 if (Opts.DollarIdents) 643 Res.push_back("-fdollars-in-identifiers"); 644 if (Opts.GNUMode && !Opts.GNUKeywords) 645 Res.push_back("-fno-gnu-keywords"); 646 if (!Opts.GNUMode && Opts.GNUKeywords) 647 Res.push_back("-fgnu-keywords"); 648 if (Opts.MicrosoftExt) 649 Res.push_back("-fms-extensions"); 650 if (Opts.MicrosoftMode) 651 Res.push_back("-fms-compatibility"); 652 if (Opts.MSCVersion != 0) 653 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 654 if (Opts.Borland) 655 Res.push_back("-fborland-extensions"); 656 if (!Opts.ObjCNonFragileABI) 657 Res.push_back("-fobjc-fragile-abi"); 658 if (Opts.ObjCDefaultSynthProperties) 659 Res.push_back("-fobjc-default-synthesize-properties"); 660 // NoInline is implicit. 661 if (!Opts.CXXOperatorNames) 662 Res.push_back("-fno-operator-names"); 663 if (Opts.PascalStrings) 664 Res.push_back("-fpascal-strings"); 665 if (Opts.CatchUndefined) 666 Res.push_back("-fcatch-undefined-behavior"); 667 if (Opts.AddressSanitizer) 668 Res.push_back("-faddress-sanitizer"); 669 if (Opts.ThreadSanitizer) 670 Res.push_back("-fthread-sanitizer"); 671 if (Opts.WritableStrings) 672 Res.push_back("-fwritable-strings"); 673 if (Opts.ConstStrings) 674 Res.push_back("-fconst-strings"); 675 if (!Opts.LaxVectorConversions) 676 Res.push_back("-fno-lax-vector-conversions"); 677 if (Opts.AltiVec) 678 Res.push_back("-faltivec"); 679 if (Opts.Exceptions) 680 Res.push_back("-fexceptions"); 681 if (Opts.ObjCExceptions) 682 Res.push_back("-fobjc-exceptions"); 683 if (Opts.CXXExceptions) 684 Res.push_back("-fcxx-exceptions"); 685 if (Opts.SjLjExceptions) 686 Res.push_back("-fsjlj-exceptions"); 687 if (Opts.TraditionalCPP) 688 Res.push_back("-traditional-cpp"); 689 if (!Opts.RTTI) 690 Res.push_back("-fno-rtti"); 691 if (Opts.MSBitfields) 692 Res.push_back("-mms-bitfields"); 693 if (!Opts.NeXTRuntime) 694 Res.push_back("-fgnu-runtime"); 695 if (Opts.Freestanding) 696 Res.push_back("-ffreestanding"); 697 if (Opts.FormatExtensions) 698 Res.push_back("-fformat-extensions"); 699 if (Opts.NoBuiltin) 700 Res.push_back("-fno-builtin"); 701 if (!Opts.AssumeSaneOperatorNew) 702 Res.push_back("-fno-assume-sane-operator-new"); 703 if (!Opts.ThreadsafeStatics) 704 Res.push_back("-fno-threadsafe-statics"); 705 if (Opts.POSIXThreads) 706 Res.push_back("-pthread"); 707 if (Opts.Blocks) 708 Res.push_back("-fblocks"); 709 if (Opts.BlocksRuntimeOptional) 710 Res.push_back("-fblocks-runtime-optional"); 711 if (Opts.Modules) 712 Res.push_back("-fmodules"); 713 if (Opts.EmitAllDecls) 714 Res.push_back("-femit-all-decls"); 715 if (Opts.MathErrno) 716 Res.push_back("-fmath-errno"); 717 switch (Opts.getSignedOverflowBehavior()) { 718 case LangOptions::SOB_Undefined: break; 719 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 720 case LangOptions::SOB_Trapping: 721 Res.push_back("-ftrapv"); 722 if (!Opts.OverflowHandler.empty()) 723 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 724 break; 725 } 726 if (Opts.HeinousExtensions) 727 Res.push_back("-fheinous-gnu-extensions"); 728 // Optimize is implicit. 729 // OptimizeSize is implicit. 730 if (Opts.FastMath) 731 Res.push_back("-ffast-math"); 732 if (Opts.Static) 733 Res.push_back("-static-define"); 734 if (Opts.DumpRecordLayoutsSimple) 735 Res.push_back("-fdump-record-layouts-simple"); 736 else if (Opts.DumpRecordLayouts) 737 Res.push_back("-fdump-record-layouts"); 738 if (Opts.DumpVTableLayouts) 739 Res.push_back("-fdump-vtable-layouts"); 740 if (Opts.NoBitFieldTypeAlign) 741 Res.push_back("-fno-bitfield-type-alignment"); 742 if (Opts.PICLevel) 743 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 744 if (Opts.PIELevel) 745 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 746 if (Opts.ObjCGCBitmapPrint) 747 Res.push_back("-print-ivar-layout"); 748 if (Opts.NoConstantCFStrings) 749 Res.push_back("-fno-constant-cfstrings"); 750 if (!Opts.AccessControl) 751 Res.push_back("-fno-access-control"); 752 if (!Opts.CharIsSigned) 753 Res.push_back("-fno-signed-char"); 754 if (Opts.ShortWChar) 755 Res.push_back("-fshort-wchar"); 756 if (!Opts.ElideConstructors) 757 Res.push_back("-fno-elide-constructors"); 758 if (Opts.getGC() != LangOptions::NonGC) { 759 if (Opts.getGC() == LangOptions::HybridGC) { 760 Res.push_back("-fobjc-gc"); 761 } else { 762 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 763 Res.push_back("-fobjc-gc-only"); 764 } 765 } 766 if (Opts.ObjCAutoRefCount) 767 Res.push_back("-fobjc-arc"); 768 if (Opts.ObjCRuntimeHasWeak) 769 Res.push_back("-fobjc-runtime-has-weak"); 770 if (!Opts.ObjCInferRelatedResultType) 771 Res.push_back("-fno-objc-infer-related-result-type"); 772 773 if (Opts.AppleKext) 774 Res.push_back("-fapple-kext"); 775 776 if (Opts.getVisibilityMode() != DefaultVisibility) { 777 Res.push_back("-fvisibility"); 778 if (Opts.getVisibilityMode() == HiddenVisibility) { 779 Res.push_back("hidden"); 780 } else { 781 assert(Opts.getVisibilityMode() == ProtectedVisibility && 782 "Invalid visibility!"); 783 Res.push_back("protected"); 784 } 785 } 786 if (Opts.InlineVisibilityHidden) 787 Res.push_back("-fvisibility-inlines-hidden"); 788 789 if (Opts.getStackProtector() != 0) 790 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 791 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 792 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 793 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 794 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 795 if (!Opts.ObjCConstantStringClass.empty()) 796 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 797 if (Opts.FakeAddressSpaceMap) 798 Res.push_back("-ffake-address-space-map"); 799 if (Opts.ParseUnknownAnytype) 800 Res.push_back("-funknown-anytype"); 801 if (Opts.DebuggerSupport) 802 Res.push_back("-fdebugger-support"); 803 if (Opts.DebuggerCastResultToId) 804 Res.push_back("-fdebugger-cast-result-to-id"); 805 if (Opts.DebuggerObjCLiteral) 806 Res.push_back("-fdebugger-objc-literal"); 807 if (Opts.DelayedTemplateParsing) 808 Res.push_back("-fdelayed-template-parsing"); 809 if (Opts.Deprecated) 810 Res.push_back("-fdeprecated-macro"); 811 if (Opts.ApplePragmaPack) 812 Res.push_back("-fapple-pragma-pack"); 813 if (!Opts.CurrentModule.empty()) 814 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 815 } 816 817 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 818 ToArgsList &Res) { 819 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 820 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 821 Opts.Macros[i].first); 822 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 823 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 824 Res.push_back("-include", Opts.Includes[i]); 825 } 826 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 827 Res.push_back("-imacros", Opts.MacroIncludes[i]); 828 if (!Opts.UsePredefines) 829 Res.push_back("-undef"); 830 if (Opts.DetailedRecord) 831 Res.push_back("-detailed-preprocessing-record"); 832 if (!Opts.ImplicitPCHInclude.empty()) 833 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 834 if (!Opts.ImplicitPTHInclude.empty()) 835 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 836 if (!Opts.TokenCache.empty()) { 837 if (Opts.ImplicitPTHInclude.empty()) 838 Res.push_back("-token-cache", Opts.TokenCache); 839 else 840 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 841 "Unsupported option combination!"); 842 } 843 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 844 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 845 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 846 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 847 Opts.RemappedFiles[i].second); 848 } 849 } 850 851 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 852 ToArgsList &Res) { 853 if (!Opts.ShowCPP && !Opts.ShowMacros) 854 llvm::report_fatal_error("Invalid option combination!"); 855 856 if (Opts.ShowCPP && Opts.ShowMacros) 857 Res.push_back("-dD"); 858 else if (!Opts.ShowCPP && Opts.ShowMacros) 859 Res.push_back("-dM"); 860 861 if (!Opts.ShowLineMarkers) 862 Res.push_back("-P"); 863 if (Opts.ShowComments) 864 Res.push_back("-C"); 865 if (Opts.ShowMacroComments) 866 Res.push_back("-CC"); 867 } 868 869 static void TargetOptsToArgs(const TargetOptions &Opts, 870 ToArgsList &Res) { 871 Res.push_back("-triple"); 872 Res.push_back(Opts.Triple); 873 if (!Opts.CPU.empty()) 874 Res.push_back("-target-cpu", Opts.CPU); 875 if (!Opts.ABI.empty()) 876 Res.push_back("-target-abi", Opts.ABI); 877 if (!Opts.LinkerVersion.empty()) 878 Res.push_back("-target-linker-version", Opts.LinkerVersion); 879 if (!Opts.CXXABI.empty()) 880 Res.push_back("-cxx-abi", Opts.CXXABI); 881 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 882 Res.push_back("-target-feature", Opts.Features[i]); 883 } 884 885 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 886 ToArgsList List(Res); 887 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 888 CodeGenOptsToArgs(getCodeGenOpts(), List); 889 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 890 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 891 FileSystemOptsToArgs(getFileSystemOpts(), List); 892 FrontendOptsToArgs(getFrontendOpts(), List); 893 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 894 LangOptsToArgs(*getLangOpts(), List); 895 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 896 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 897 TargetOptsToArgs(getTargetOpts(), List); 898 } 899 900 //===----------------------------------------------------------------------===// 901 // Deserialization (to args) 902 //===----------------------------------------------------------------------===// 903 904 using namespace clang::driver; 905 using namespace clang::driver::cc1options; 906 907 // 908 909 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 910 DiagnosticsEngine &Diags) { 911 unsigned DefaultOpt = 0; 912 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 913 DefaultOpt = 2; 914 // -Os/-Oz implies -O2 915 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 916 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 917 } 918 919 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 920 DiagnosticsEngine &Diags) { 921 using namespace cc1options; 922 bool Success = true; 923 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 924 StringRef Name = A->getValue(Args); 925 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 926 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 927 .Case(CMDFLAG, NAME##Model) 928 #include "clang/Frontend/Analyses.def" 929 .Default(NumStores); 930 if (Value == NumStores) { 931 Diags.Report(diag::err_drv_invalid_value) 932 << A->getAsString(Args) << Name; 933 Success = false; 934 } else { 935 Opts.AnalysisStoreOpt = Value; 936 } 937 } 938 939 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 940 StringRef Name = A->getValue(Args); 941 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 942 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 943 .Case(CMDFLAG, NAME##Model) 944 #include "clang/Frontend/Analyses.def" 945 .Default(NumConstraints); 946 if (Value == NumConstraints) { 947 Diags.Report(diag::err_drv_invalid_value) 948 << A->getAsString(Args) << Name; 949 Success = false; 950 } else { 951 Opts.AnalysisConstraintsOpt = Value; 952 } 953 } 954 955 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 956 StringRef Name = A->getValue(Args); 957 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 958 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 959 .Case(CMDFLAG, PD_##NAME) 960 #include "clang/Frontend/Analyses.def" 961 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 962 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 963 Diags.Report(diag::err_drv_invalid_value) 964 << A->getAsString(Args) << Name; 965 Success = false; 966 } else { 967 Opts.AnalysisDiagOpt = Value; 968 } 969 } 970 971 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 972 StringRef Name = A->getValue(Args); 973 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 974 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 975 .Case(CMDFLAG, NAME) 976 #include "clang/Frontend/Analyses.def" 977 .Default(NumPurgeModes); 978 if (Value == NumPurgeModes) { 979 Diags.Report(diag::err_drv_invalid_value) 980 << A->getAsString(Args) << Name; 981 Success = false; 982 } else { 983 Opts.AnalysisPurgeOpt = Value; 984 } 985 } 986 987 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 988 StringRef Name = A->getValue(Args); 989 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 990 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 991 .Case(CMDFLAG, NAME) 992 #include "clang/Frontend/Analyses.def" 993 .Default(NumIPAModes); 994 if (Value == NumIPAModes) { 995 Diags.Report(diag::err_drv_invalid_value) 996 << A->getAsString(Args) << Name; 997 Success = false; 998 } else { 999 Opts.IPAMode = Value; 1000 } 1001 } 1002 1003 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1004 StringRef Name = A->getValue(Args); 1005 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1006 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1007 .Case(CMDFLAG, NAME) 1008 #include "clang/Frontend/Analyses.def" 1009 .Default(NumInliningModes); 1010 if (Value == NumInliningModes) { 1011 Diags.Report(diag::err_drv_invalid_value) 1012 << A->getAsString(Args) << Name; 1013 Success = false; 1014 } else { 1015 Opts.InliningMode = Value; 1016 } 1017 } 1018 1019 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1020 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1021 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1022 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1023 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1024 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1025 Opts.AnalyzeNestedBlocks = 1026 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1027 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1028 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1029 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1030 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1031 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1032 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1033 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1034 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1035 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1036 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1037 Opts.InlineMaxStackDepth = 1038 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1039 Opts.InlineMaxStackDepth, Diags); 1040 Opts.InlineMaxFunctionSize = 1041 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1042 Opts.InlineMaxFunctionSize, Diags); 1043 1044 Opts.CheckersControlList.clear(); 1045 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1046 OPT_analyzer_disable_checker), 1047 ie = Args.filtered_end(); it != ie; ++it) { 1048 const Arg *A = *it; 1049 A->claim(); 1050 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1051 // We can have a list of comma separated checker names, e.g: 1052 // '-analyzer-checker=cocoa,unix' 1053 StringRef checkerList = A->getValue(Args); 1054 SmallVector<StringRef, 4> checkers; 1055 checkerList.split(checkers, ","); 1056 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1057 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1058 } 1059 1060 return Success; 1061 } 1062 1063 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1064 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1065 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1066 return true; 1067 } 1068 1069 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1070 DiagnosticsEngine &Diags) { 1071 using namespace cc1options; 1072 bool Success = true; 1073 1074 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1075 if (OptLevel > 3) { 1076 Diags.Report(diag::err_drv_invalid_value) 1077 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1078 OptLevel = 3; 1079 Success = false; 1080 } 1081 Opts.OptimizationLevel = OptLevel; 1082 1083 // We must always run at least the always inlining pass. 1084 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1085 : CodeGenOptions::OnlyAlwaysInlining; 1086 // -fno-inline-functions overrides OptimizationLevel > 1. 1087 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1088 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1089 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1090 1091 Opts.DebugInfo = Args.hasArg(OPT_g); 1092 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1093 || Args.hasArg(OPT_flimit_debug_info); 1094 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1095 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1096 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1097 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1098 OPT_fuse_register_sized_bitfield_access); 1099 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1100 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1101 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1102 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1103 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1104 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1105 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1106 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1107 Args.hasArg(OPT_ffreestanding)); 1108 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1109 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1110 1111 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1112 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1113 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1114 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1115 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1116 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1117 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1118 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1119 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1120 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1121 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1122 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1123 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1124 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1125 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1126 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1127 Args.hasArg(OPT_cl_finite_math_only)|| 1128 Args.hasArg(OPT_cl_fast_relaxed_math)); 1129 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1130 Args.hasArg(OPT_cl_finite_math_only)|| 1131 Args.hasArg(OPT_cl_fast_relaxed_math)); 1132 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1133 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1134 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1135 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1136 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1137 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1138 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1139 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1140 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1141 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1142 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1143 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1144 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1145 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1146 Args.hasArg(OPT_cl_fast_relaxed_math); 1147 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1148 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1149 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1150 1151 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1152 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1153 1154 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1155 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1156 1157 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1158 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1159 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1160 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1161 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1162 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1163 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1164 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1165 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1166 StringRef Val = A->getValue(Args); 1167 Val.getAsInteger(10, Opts.StackAlignment); 1168 } 1169 1170 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1171 StringRef Name = A->getValue(Args); 1172 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1173 .Case("legacy", CodeGenOptions::Legacy) 1174 .Case("non-legacy", CodeGenOptions::NonLegacy) 1175 .Case("mixed", CodeGenOptions::Mixed) 1176 .Default(~0U); 1177 if (Method == ~0U) { 1178 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1179 Success = false; 1180 } else { 1181 Opts.ObjCDispatchMethod = Method; 1182 } 1183 } 1184 1185 return Success; 1186 } 1187 1188 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1189 ArgList &Args) { 1190 using namespace cc1options; 1191 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1192 Opts.Targets = Args.getAllArgValues(OPT_MT); 1193 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1194 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1195 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1196 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1197 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1198 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1199 } 1200 1201 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1202 DiagnosticsEngine *Diags) { 1203 using namespace cc1options; 1204 bool Success = true; 1205 1206 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1207 Opts.DiagnosticSerializationFile = 1208 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1209 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1210 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1211 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1212 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1213 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1214 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1215 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1216 OPT_fno_show_column, 1217 /*Default=*/true); 1218 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1219 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1220 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1221 1222 // Default behavior is to not to show note include stacks. 1223 Opts.ShowNoteIncludeStack = false; 1224 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1225 OPT_fno_diagnostics_show_note_include_stack)) 1226 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1227 Opts.ShowNoteIncludeStack = true; 1228 1229 StringRef ShowOverloads = 1230 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1231 if (ShowOverloads == "best") 1232 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1233 else if (ShowOverloads == "all") 1234 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1235 else { 1236 Success = false; 1237 if (Diags) 1238 Diags->Report(diag::err_drv_invalid_value) 1239 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1240 << ShowOverloads; 1241 } 1242 1243 StringRef ShowCategory = 1244 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1245 if (ShowCategory == "none") 1246 Opts.ShowCategories = 0; 1247 else if (ShowCategory == "id") 1248 Opts.ShowCategories = 1; 1249 else if (ShowCategory == "name") 1250 Opts.ShowCategories = 2; 1251 else { 1252 Success = false; 1253 if (Diags) 1254 Diags->Report(diag::err_drv_invalid_value) 1255 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1256 << ShowCategory; 1257 } 1258 1259 StringRef Format = 1260 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1261 if (Format == "clang") 1262 Opts.Format = DiagnosticOptions::Clang; 1263 else if (Format == "msvc") 1264 Opts.Format = DiagnosticOptions::Msvc; 1265 else if (Format == "vi") 1266 Opts.Format = DiagnosticOptions::Vi; 1267 else { 1268 Success = false; 1269 if (Diags) 1270 Diags->Report(diag::err_drv_invalid_value) 1271 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1272 << Format; 1273 } 1274 1275 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1276 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1277 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1278 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1279 Opts.MacroBacktraceLimit 1280 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1281 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1282 Opts.TemplateBacktraceLimit 1283 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1284 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1285 Diags); 1286 Opts.ConstexprBacktraceLimit 1287 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1288 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1289 Diags); 1290 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1291 DiagnosticOptions::DefaultTabStop, Diags); 1292 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1293 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1294 if (Diags) 1295 Diags->Report(diag::warn_ignoring_ftabstop_value) 1296 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1297 } 1298 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1299 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1300 1301 for (arg_iterator it = Args.filtered_begin(OPT_W), 1302 ie = Args.filtered_end(); it != ie; ++it) { 1303 StringRef V = (*it)->getValue(Args); 1304 // "-Wl," and such are not warnings options. 1305 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1306 continue; 1307 1308 Opts.Warnings.push_back(V); 1309 } 1310 1311 return Success; 1312 } 1313 1314 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1315 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1316 } 1317 1318 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1319 DiagnosticsEngine &Diags) { 1320 using namespace cc1options; 1321 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1322 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1323 switch (A->getOption().getID()) { 1324 default: 1325 llvm_unreachable("Invalid option in group!"); 1326 case OPT_ast_dump: 1327 Opts.ProgramAction = frontend::ASTDump; break; 1328 case OPT_ast_dump_xml: 1329 Opts.ProgramAction = frontend::ASTDumpXML; break; 1330 case OPT_ast_print: 1331 Opts.ProgramAction = frontend::ASTPrint; break; 1332 case OPT_ast_view: 1333 Opts.ProgramAction = frontend::ASTView; break; 1334 case OPT_dump_raw_tokens: 1335 Opts.ProgramAction = frontend::DumpRawTokens; break; 1336 case OPT_dump_tokens: 1337 Opts.ProgramAction = frontend::DumpTokens; break; 1338 case OPT_S: 1339 Opts.ProgramAction = frontend::EmitAssembly; break; 1340 case OPT_emit_llvm_bc: 1341 Opts.ProgramAction = frontend::EmitBC; break; 1342 case OPT_emit_html: 1343 Opts.ProgramAction = frontend::EmitHTML; break; 1344 case OPT_emit_llvm: 1345 Opts.ProgramAction = frontend::EmitLLVM; break; 1346 case OPT_emit_llvm_only: 1347 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1348 case OPT_emit_codegen_only: 1349 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1350 case OPT_emit_obj: 1351 Opts.ProgramAction = frontend::EmitObj; break; 1352 case OPT_fixit_EQ: 1353 Opts.FixItSuffix = A->getValue(Args); 1354 // fall-through! 1355 case OPT_fixit: 1356 Opts.ProgramAction = frontend::FixIt; break; 1357 case OPT_emit_module: 1358 Opts.ProgramAction = frontend::GenerateModule; break; 1359 case OPT_emit_pch: 1360 Opts.ProgramAction = frontend::GeneratePCH; break; 1361 case OPT_emit_pth: 1362 Opts.ProgramAction = frontend::GeneratePTH; break; 1363 case OPT_init_only: 1364 Opts.ProgramAction = frontend::InitOnly; break; 1365 case OPT_fsyntax_only: 1366 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1367 case OPT_print_decl_contexts: 1368 Opts.ProgramAction = frontend::PrintDeclContext; break; 1369 case OPT_print_preamble: 1370 Opts.ProgramAction = frontend::PrintPreamble; break; 1371 case OPT_E: 1372 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1373 case OPT_rewrite_macros: 1374 Opts.ProgramAction = frontend::RewriteMacros; break; 1375 case OPT_rewrite_objc: 1376 Opts.ProgramAction = frontend::RewriteObjC; break; 1377 case OPT_rewrite_test: 1378 Opts.ProgramAction = frontend::RewriteTest; break; 1379 case OPT_analyze: 1380 Opts.ProgramAction = frontend::RunAnalysis; break; 1381 case OPT_migrate: 1382 Opts.ProgramAction = frontend::MigrateSource; break; 1383 case OPT_Eonly: 1384 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1385 } 1386 } 1387 1388 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1389 Opts.Plugins.push_back(A->getValue(Args,0)); 1390 Opts.ProgramAction = frontend::PluginAction; 1391 Opts.ActionName = A->getValue(Args); 1392 1393 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1394 end = Args.filtered_end(); it != end; ++it) { 1395 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1396 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1397 } 1398 } 1399 1400 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1401 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1402 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1403 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1404 end = Args.filtered_end(); it != end; ++it) { 1405 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1406 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1407 } 1408 } 1409 1410 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1411 Opts.CodeCompletionAt = 1412 ParsedSourceLocation::FromString(A->getValue(Args)); 1413 if (Opts.CodeCompletionAt.FileName.empty()) 1414 Diags.Report(diag::err_drv_invalid_value) 1415 << A->getAsString(Args) << A->getValue(Args); 1416 } 1417 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1418 1419 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1420 Opts.Plugins = Args.getAllArgValues(OPT_load); 1421 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1422 Opts.ShowHelp = Args.hasArg(OPT_help); 1423 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1424 Opts.ShowCodePatternsInCodeCompletion 1425 = Args.hasArg(OPT_code_completion_patterns); 1426 Opts.ShowGlobalSymbolsInCodeCompletion 1427 = !Args.hasArg(OPT_no_code_completion_globals); 1428 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1429 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1430 Opts.ShowVersion = Args.hasArg(OPT_version); 1431 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1432 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1433 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1434 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1435 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1436 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1437 Opts.OverrideRecordLayoutsFile 1438 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1439 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1440 OPT_arcmt_modify, 1441 OPT_arcmt_migrate)) { 1442 switch (A->getOption().getID()) { 1443 default: 1444 llvm_unreachable("missed a case"); 1445 case OPT_arcmt_check: 1446 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1447 break; 1448 case OPT_arcmt_modify: 1449 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1450 break; 1451 case OPT_arcmt_migrate: 1452 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1453 break; 1454 } 1455 } 1456 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1457 Opts.ARCMTMigrateReportOut 1458 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1459 Opts.ARCMTMigrateEmitARCErrors 1460 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1461 1462 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1463 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1464 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1465 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1466 1467 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1468 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1469 Diags.Report(diag::err_drv_argument_not_allowed_with) 1470 << "ARC migration" << "ObjC migration"; 1471 } 1472 1473 InputKind DashX = IK_None; 1474 if (const Arg *A = Args.getLastArg(OPT_x)) { 1475 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1476 .Case("c", IK_C) 1477 .Case("cl", IK_OpenCL) 1478 .Case("cuda", IK_CUDA) 1479 .Case("c++", IK_CXX) 1480 .Case("objective-c", IK_ObjC) 1481 .Case("objective-c++", IK_ObjCXX) 1482 .Case("cpp-output", IK_PreprocessedC) 1483 .Case("assembler-with-cpp", IK_Asm) 1484 .Case("c++-cpp-output", IK_PreprocessedCXX) 1485 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1486 .Case("objc-cpp-output", IK_PreprocessedObjC) 1487 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1488 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1489 .Case("c-header", IK_C) 1490 .Case("cl-header", IK_OpenCL) 1491 .Case("objective-c-header", IK_ObjC) 1492 .Case("c++-header", IK_CXX) 1493 .Case("objective-c++-header", IK_ObjCXX) 1494 .Case("ast", IK_AST) 1495 .Case("ir", IK_LLVM_IR) 1496 .Default(IK_None); 1497 if (DashX == IK_None) 1498 Diags.Report(diag::err_drv_invalid_value) 1499 << A->getAsString(Args) << A->getValue(Args); 1500 } 1501 1502 // '-' is the default input if none is given. 1503 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1504 Opts.Inputs.clear(); 1505 if (Inputs.empty()) 1506 Inputs.push_back("-"); 1507 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1508 InputKind IK = DashX; 1509 if (IK == IK_None) { 1510 IK = FrontendOptions::getInputKindForExtension( 1511 StringRef(Inputs[i]).rsplit('.').second); 1512 // FIXME: Remove this hack. 1513 if (i == 0) 1514 DashX = IK; 1515 } 1516 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1517 } 1518 1519 return DashX; 1520 } 1521 1522 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1523 void *MainAddr) { 1524 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1525 1526 if (!P.isEmpty()) { 1527 P.eraseComponent(); // Remove /clang from foo/bin/clang 1528 P.eraseComponent(); // Remove /bin from foo/bin 1529 1530 // Get foo/lib/clang/<version>/include 1531 P.appendComponent("lib"); 1532 P.appendComponent("clang"); 1533 P.appendComponent(CLANG_VERSION_STRING); 1534 } 1535 1536 return P.str(); 1537 } 1538 1539 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1540 using namespace cc1options; 1541 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1542 Opts.Verbose = Args.hasArg(OPT_v); 1543 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1544 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1545 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1546 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1547 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1548 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1549 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1550 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1551 1552 // Add -I..., -F..., and -index-header-map options in order. 1553 bool IsIndexHeaderMap = false; 1554 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1555 OPT_index_header_map), 1556 ie = Args.filtered_end(); it != ie; ++it) { 1557 if ((*it)->getOption().matches(OPT_index_header_map)) { 1558 // -index-header-map applies to the next -I or -F. 1559 IsIndexHeaderMap = true; 1560 continue; 1561 } 1562 1563 frontend::IncludeDirGroup Group 1564 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1565 1566 Opts.AddPath((*it)->getValue(Args), Group, true, 1567 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1568 IsIndexHeaderMap = false; 1569 } 1570 1571 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1572 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1573 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1574 OPT_iwithprefixbefore), 1575 ie = Args.filtered_end(); it != ie; ++it) { 1576 const Arg *A = *it; 1577 if (A->getOption().matches(OPT_iprefix)) 1578 Prefix = A->getValue(Args); 1579 else if (A->getOption().matches(OPT_iwithprefix)) 1580 Opts.AddPath(Prefix.str() + A->getValue(Args), 1581 frontend::System, false, false, false); 1582 else 1583 Opts.AddPath(Prefix.str() + A->getValue(Args), 1584 frontend::Angled, false, false, false); 1585 } 1586 1587 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1588 ie = Args.filtered_end(); it != ie; ++it) 1589 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1590 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1591 ie = Args.filtered_end(); it != ie; ++it) 1592 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1593 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1594 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1595 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1596 !(*it)->getOption().matches(OPT_iwithsysroot)); 1597 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1598 ie = Args.filtered_end(); it != ie; ++it) 1599 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1600 true); 1601 1602 // Add the paths for the various language specific isystem flags. 1603 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1604 ie = Args.filtered_end(); it != ie; ++it) 1605 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1606 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1607 ie = Args.filtered_end(); it != ie; ++it) 1608 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1609 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1610 ie = Args.filtered_end(); it != ie; ++it) 1611 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1612 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1613 ie = Args.filtered_end(); it != ie; ++it) 1614 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1615 true); 1616 1617 // Add the internal paths from a driver that detects standard include paths. 1618 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1619 OPT_internal_externc_isystem), 1620 E = Args.filtered_end(); 1621 I != E; ++I) 1622 Opts.AddPath((*I)->getValue(Args), frontend::System, 1623 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1624 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1625 } 1626 1627 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1628 LangStandard::Kind LangStd) { 1629 // Set some properties which depend solely on the input kind; it would be nice 1630 // to move these to the language standard, and have the driver resolve the 1631 // input kind + language standard. 1632 if (IK == IK_Asm) { 1633 Opts.AsmPreprocessor = 1; 1634 } else if (IK == IK_ObjC || 1635 IK == IK_ObjCXX || 1636 IK == IK_PreprocessedObjC || 1637 IK == IK_PreprocessedObjCXX) { 1638 Opts.ObjC1 = Opts.ObjC2 = 1; 1639 } 1640 1641 if (LangStd == LangStandard::lang_unspecified) { 1642 // Based on the base language, pick one. 1643 switch (IK) { 1644 case IK_None: 1645 case IK_AST: 1646 case IK_LLVM_IR: 1647 llvm_unreachable("Invalid input kind!"); 1648 case IK_OpenCL: 1649 LangStd = LangStandard::lang_opencl; 1650 break; 1651 case IK_CUDA: 1652 LangStd = LangStandard::lang_cuda; 1653 break; 1654 case IK_Asm: 1655 case IK_C: 1656 case IK_PreprocessedC: 1657 case IK_ObjC: 1658 case IK_PreprocessedObjC: 1659 LangStd = LangStandard::lang_gnu99; 1660 break; 1661 case IK_CXX: 1662 case IK_PreprocessedCXX: 1663 case IK_ObjCXX: 1664 case IK_PreprocessedObjCXX: 1665 LangStd = LangStandard::lang_gnucxx98; 1666 break; 1667 } 1668 } 1669 1670 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1671 Opts.BCPLComment = Std.hasBCPLComments(); 1672 Opts.C99 = Std.isC99(); 1673 Opts.C11 = Std.isC11(); 1674 Opts.CPlusPlus = Std.isCPlusPlus(); 1675 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1676 Opts.Digraphs = Std.hasDigraphs(); 1677 Opts.GNUMode = Std.isGNUMode(); 1678 Opts.GNUInline = !Std.isC99(); 1679 Opts.HexFloats = Std.hasHexFloats(); 1680 Opts.ImplicitInt = Std.hasImplicitInt(); 1681 1682 // OpenCL has some additional defaults. 1683 if (LangStd == LangStandard::lang_opencl) { 1684 Opts.OpenCL = 1; 1685 Opts.AltiVec = 0; 1686 Opts.CXXOperatorNames = 1; 1687 Opts.LaxVectorConversions = 0; 1688 Opts.DefaultFPContract = 1; 1689 } 1690 1691 if (LangStd == LangStandard::lang_cuda) 1692 Opts.CUDA = 1; 1693 1694 // OpenCL and C++ both have bool, true, false keywords. 1695 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1696 1697 Opts.GNUKeywords = Opts.GNUMode; 1698 Opts.CXXOperatorNames = Opts.CPlusPlus; 1699 1700 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1701 // is specified, or -std is set to a conforming mode. 1702 Opts.Trigraphs = !Opts.GNUMode; 1703 1704 Opts.DollarIdents = !Opts.AsmPreprocessor; 1705 } 1706 1707 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1708 DiagnosticsEngine &Diags) { 1709 // FIXME: Cleanup per-file based stuff. 1710 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1711 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1712 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1713 #define LANGSTANDARD(id, name, desc, features) \ 1714 .Case(name, LangStandard::lang_##id) 1715 #include "clang/Frontend/LangStandards.def" 1716 .Default(LangStandard::lang_unspecified); 1717 if (LangStd == LangStandard::lang_unspecified) 1718 Diags.Report(diag::err_drv_invalid_value) 1719 << A->getAsString(Args) << A->getValue(Args); 1720 else { 1721 // Valid standard, check to make sure language and standard are compatable. 1722 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1723 switch (IK) { 1724 case IK_C: 1725 case IK_ObjC: 1726 case IK_PreprocessedC: 1727 case IK_PreprocessedObjC: 1728 if (!(Std.isC89() || Std.isC99())) 1729 Diags.Report(diag::err_drv_argument_not_allowed_with) 1730 << A->getAsString(Args) << "C/ObjC"; 1731 break; 1732 case IK_CXX: 1733 case IK_ObjCXX: 1734 case IK_PreprocessedCXX: 1735 case IK_PreprocessedObjCXX: 1736 if (!Std.isCPlusPlus()) 1737 Diags.Report(diag::err_drv_argument_not_allowed_with) 1738 << A->getAsString(Args) << "C++/ObjC++"; 1739 break; 1740 case IK_OpenCL: 1741 if (!Std.isC99()) 1742 Diags.Report(diag::err_drv_argument_not_allowed_with) 1743 << A->getAsString(Args) << "OpenCL"; 1744 break; 1745 case IK_CUDA: 1746 if (!Std.isCPlusPlus()) 1747 Diags.Report(diag::err_drv_argument_not_allowed_with) 1748 << A->getAsString(Args) << "CUDA"; 1749 break; 1750 default: 1751 break; 1752 } 1753 } 1754 } 1755 1756 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1757 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1758 Diags.Report(diag::err_drv_invalid_value) 1759 << A->getAsString(Args) << A->getValue(Args); 1760 } 1761 } 1762 1763 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1764 1765 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1766 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1767 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1768 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1769 // name, as it doesn't seem a useful distinction. 1770 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1771 Opts.GNUKeywords); 1772 1773 if (Args.hasArg(OPT_fno_operator_names)) 1774 Opts.CXXOperatorNames = 0; 1775 1776 if (Opts.ObjC1) { 1777 if (Args.hasArg(OPT_fobjc_gc_only)) 1778 Opts.setGC(LangOptions::GCOnly); 1779 else if (Args.hasArg(OPT_fobjc_gc)) 1780 Opts.setGC(LangOptions::HybridGC); 1781 else if (Args.hasArg(OPT_fobjc_arc)) { 1782 Opts.ObjCAutoRefCount = 1; 1783 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1784 Diags.Report(diag::err_arc_nonfragile_abi); 1785 } 1786 1787 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1788 Opts.ObjCRuntimeHasWeak = 1; 1789 1790 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1791 Opts.ObjCInferRelatedResultType = 0; 1792 } 1793 1794 if (Args.hasArg(OPT_fgnu89_inline)) 1795 Opts.GNUInline = 1; 1796 1797 if (Args.hasArg(OPT_fapple_kext)) { 1798 if (!Opts.CPlusPlus) 1799 Diags.Report(diag::warn_c_kext); 1800 else 1801 Opts.AppleKext = 1; 1802 } 1803 1804 if (Args.hasArg(OPT_print_ivar_layout)) 1805 Opts.ObjCGCBitmapPrint = 1; 1806 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1807 Opts.NoConstantCFStrings = 1; 1808 1809 if (Args.hasArg(OPT_faltivec)) 1810 Opts.AltiVec = 1; 1811 1812 if (Args.hasArg(OPT_pthread)) 1813 Opts.POSIXThreads = 1; 1814 1815 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1816 Opts.DelayedTemplateParsing = 1; 1817 1818 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1819 if (Vis == "default") 1820 Opts.setVisibilityMode(DefaultVisibility); 1821 else if (Vis == "hidden") 1822 Opts.setVisibilityMode(HiddenVisibility); 1823 else if (Vis == "protected") 1824 // FIXME: diagnose if target does not support protected visibility 1825 Opts.setVisibilityMode(ProtectedVisibility); 1826 else 1827 Diags.Report(diag::err_drv_invalid_value) 1828 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1829 1830 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1831 Opts.InlineVisibilityHidden = 1; 1832 1833 if (Args.hasArg(OPT_ftrapv)) { 1834 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1835 // Set the handler, if one is specified. 1836 Opts.OverflowHandler = 1837 Args.getLastArgValue(OPT_ftrapv_handler); 1838 } 1839 else if (Args.hasArg(OPT_fwrapv)) 1840 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1841 1842 if (Args.hasArg(OPT_trigraphs)) 1843 Opts.Trigraphs = 1; 1844 1845 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1846 OPT_fno_dollars_in_identifiers, 1847 Opts.DollarIdents); 1848 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1849 Opts.MicrosoftExt 1850 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1851 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1852 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1853 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1854 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1855 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1856 Opts.ConstStrings); 1857 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1858 Opts.LaxVectorConversions = 0; 1859 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1860 Opts.ThreadsafeStatics = 0; 1861 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1862 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1863 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1864 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1865 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1866 1867 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1868 Opts.Blocks = Args.hasArg(OPT_fblocks); 1869 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1870 Opts.Modules = Args.hasArg(OPT_fmodules); 1871 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1872 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1873 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1874 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1875 Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions); 1876 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1877 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1878 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1879 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1880 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1881 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1882 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1883 Diags); 1884 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1885 Diags); 1886 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1887 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1888 0, Diags); 1889 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1890 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1891 Opts.ObjCConstantStringClass = 1892 Args.getLastArgValue(OPT_fconstant_string_class); 1893 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1894 if (Opts.ObjCNonFragileABI) 1895 Opts.ObjCNonFragileABI2 = true; 1896 Opts.ObjCDefaultSynthProperties = 1897 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1898 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1899 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1900 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1901 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1902 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1903 Opts.Static = Args.hasArg(OPT_static_define); 1904 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1905 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1906 || Args.hasArg(OPT_fdump_record_layouts); 1907 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1908 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1909 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1910 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1911 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1912 Opts.MRTD = Args.hasArg(OPT_mrtd); 1913 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1914 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1915 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1916 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1917 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1918 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1919 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1920 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1921 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1922 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1923 1924 // Record whether the __DEPRECATED define was requested. 1925 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1926 OPT_fno_deprecated_macro, 1927 Opts.Deprecated); 1928 1929 // FIXME: Eliminate this dependency. 1930 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1931 Opts.Optimize = Opt != 0; 1932 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1933 1934 // This is the __NO_INLINE__ define, which just depends on things like the 1935 // optimization level and -fno-inline, not actually whether the backend has 1936 // inlining enabled. 1937 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1938 1939 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1940 1941 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1942 switch (SSP) { 1943 default: 1944 Diags.Report(diag::err_drv_invalid_value) 1945 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1946 break; 1947 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1948 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1949 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1950 } 1951 } 1952 1953 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1954 FileManager &FileMgr, 1955 DiagnosticsEngine &Diags) { 1956 using namespace cc1options; 1957 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1958 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1959 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1960 Opts.TokenCache = A->getValue(Args); 1961 else 1962 Opts.TokenCache = Opts.ImplicitPTHInclude; 1963 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1964 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1965 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1966 1967 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1968 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1969 ie = Args.filtered_end(); it != ie; ++it) { 1970 const Arg *A = *it; 1971 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1972 } 1973 1974 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1975 StringRef Value(A->getValue(Args)); 1976 size_t Comma = Value.find(','); 1977 unsigned Bytes = 0; 1978 unsigned EndOfLine = 0; 1979 1980 if (Comma == StringRef::npos || 1981 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1982 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1983 Diags.Report(diag::err_drv_preamble_format); 1984 else { 1985 Opts.PrecompiledPreambleBytes.first = Bytes; 1986 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1987 } 1988 } 1989 1990 // Add macros from the command line. 1991 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1992 ie = Args.filtered_end(); it != ie; ++it) { 1993 if ((*it)->getOption().matches(OPT_D)) 1994 Opts.addMacroDef((*it)->getValue(Args)); 1995 else 1996 Opts.addMacroUndef((*it)->getValue(Args)); 1997 } 1998 1999 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2000 2001 // Add the ordered list of -includes. 2002 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2003 OPT_include_pth), 2004 ie = Args.filtered_end(); it != ie; ++it) { 2005 const Arg *A = *it; 2006 // PCH is handled specially, we need to extra the original include path. 2007 if (A->getOption().matches(OPT_include_pch)) { 2008 std::string OriginalFile = 2009 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2010 if (OriginalFile.empty()) 2011 continue; 2012 2013 Opts.Includes.push_back(OriginalFile); 2014 } else 2015 Opts.Includes.push_back(A->getValue(Args)); 2016 } 2017 2018 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2019 ie = Args.filtered_end(); it != ie; ++it) { 2020 const Arg *A = *it; 2021 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2022 } 2023 2024 // Include 'altivec.h' if -faltivec option present 2025 if (Args.hasArg(OPT_faltivec)) 2026 Opts.Includes.push_back("altivec.h"); 2027 2028 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2029 ie = Args.filtered_end(); it != ie; ++it) { 2030 const Arg *A = *it; 2031 std::pair<StringRef,StringRef> Split = 2032 StringRef(A->getValue(Args)).split(';'); 2033 2034 if (Split.second.empty()) { 2035 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2036 continue; 2037 } 2038 2039 Opts.addRemappedFile(Split.first, Split.second); 2040 } 2041 2042 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2043 StringRef Name = A->getValue(Args); 2044 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2045 .Case("libc++", ARCXX_libcxx) 2046 .Case("libstdc++", ARCXX_libstdcxx) 2047 .Case("none", ARCXX_nolib) 2048 .Default(~0U); 2049 if (Library == ~0U) 2050 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2051 else 2052 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2053 } 2054 } 2055 2056 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2057 ArgList &Args) { 2058 using namespace cc1options; 2059 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2060 Opts.ShowComments = Args.hasArg(OPT_C); 2061 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2062 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2063 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2064 } 2065 2066 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2067 using namespace cc1options; 2068 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2069 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2070 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2071 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2072 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2073 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2074 2075 // Use the default target triple if unspecified. 2076 if (Opts.Triple.empty()) 2077 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2078 } 2079 2080 // 2081 2082 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2083 const char *const *ArgBegin, 2084 const char *const *ArgEnd, 2085 DiagnosticsEngine &Diags) { 2086 bool Success = true; 2087 2088 // Parse the arguments. 2089 OwningPtr<OptTable> Opts(createCC1OptTable()); 2090 unsigned MissingArgIndex, MissingArgCount; 2091 OwningPtr<InputArgList> Args( 2092 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2093 2094 // Check for missing argument error. 2095 if (MissingArgCount) { 2096 Diags.Report(diag::err_drv_missing_argument) 2097 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2098 Success = false; 2099 } 2100 2101 // Issue errors on unknown arguments. 2102 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2103 ie = Args->filtered_end(); it != ie; ++it) { 2104 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2105 Success = false; 2106 } 2107 2108 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2109 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2110 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2111 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2112 && Success; 2113 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2114 // FIXME: We shouldn't have to pass the DashX option around here 2115 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2116 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2117 && Success; 2118 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2119 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2120 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2121 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2122 Res.getLangOpts()->ObjCExceptions = 1; 2123 } 2124 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2125 // PCH file and find the original header name. Remove the need to do that in 2126 // ParsePreprocessorArgs and remove the FileManager 2127 // parameters from the function and the "FileManager.h" #include. 2128 FileManager FileMgr(Res.getFileSystemOpts()); 2129 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2130 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2131 ParseTargetArgs(Res.getTargetOpts(), *Args); 2132 2133 return Success; 2134 } 2135 2136 namespace { 2137 2138 class ModuleSignature { 2139 llvm::SmallVector<uint64_t, 16> Data; 2140 unsigned CurBit; 2141 uint64_t CurValue; 2142 2143 public: 2144 ModuleSignature() : CurBit(0), CurValue(0) { } 2145 2146 void add(uint64_t Value, unsigned Bits); 2147 void add(StringRef Value); 2148 void flush(); 2149 2150 llvm::APInt getAsInteger() const; 2151 }; 2152 } 2153 2154 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2155 CurValue |= Value << CurBit; 2156 if (CurBit + NumBits < 64) { 2157 CurBit += NumBits; 2158 return; 2159 } 2160 2161 // Add the current word. 2162 Data.push_back(CurValue); 2163 2164 if (CurBit) 2165 CurValue = Value >> (64-CurBit); 2166 else 2167 CurValue = 0; 2168 CurBit = (CurBit+NumBits) & 63; 2169 } 2170 2171 void ModuleSignature::flush() { 2172 if (CurBit == 0) 2173 return; 2174 2175 Data.push_back(CurValue); 2176 CurBit = 0; 2177 CurValue = 0; 2178 } 2179 2180 void ModuleSignature::add(StringRef Value) { 2181 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2182 add(*I, 8); 2183 } 2184 2185 llvm::APInt ModuleSignature::getAsInteger() const { 2186 return llvm::APInt(Data.size() * 64, Data); 2187 } 2188 2189 std::string CompilerInvocation::getModuleHash() const { 2190 ModuleSignature Signature; 2191 2192 // Start the signature with the compiler version. 2193 // FIXME: The full version string can be quite long. Omit it from the 2194 // module hash for now to avoid failures where the path name becomes too 2195 // long. An MD5 or similar checksum would work well here. 2196 // Signature.add(getClangFullRepositoryVersion()); 2197 2198 // Extend the signature with the language options 2199 #define LANGOPT(Name, Bits, Default, Description) \ 2200 Signature.add(LangOpts->Name, Bits); 2201 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2202 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2203 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2204 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2205 #include "clang/Basic/LangOptions.def" 2206 2207 // Extend the signature with the target triple 2208 llvm::Triple T(TargetOpts.Triple); 2209 Signature.add((unsigned)T.getArch(), 5); 2210 Signature.add((unsigned)T.getVendor(), 4); 2211 Signature.add((unsigned)T.getOS(), 5); 2212 Signature.add((unsigned)T.getEnvironment(), 4); 2213 2214 // Extend the signature with preprocessor options. 2215 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2216 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2217 2218 // Hash the preprocessor defines. 2219 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2220 std::vector<StringRef> MacroDefs; 2221 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2222 I = getPreprocessorOpts().Macros.begin(), 2223 IEnd = getPreprocessorOpts().Macros.end(); 2224 I != IEnd; ++I) { 2225 if (!I->second) 2226 MacroDefs.push_back(I->first); 2227 } 2228 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2229 2230 unsigned PPHashResult = 0; 2231 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2232 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2233 Signature.add(PPHashResult, 32); 2234 2235 // We've generated the signature. Treat it as one large APInt that we'll 2236 // encode in base-36 and return. 2237 Signature.flush(); 2238 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2239 } 2240