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.ObjCTrace) 253 Res.push_back("-fobjc-trace"); 254 if (!Opts.DebugPass.empty()) { 255 Res.push_back("-mdebug-pass", Opts.DebugPass); 256 } 257 if (Opts.DisableFPElim) 258 Res.push_back("-mdisable-fp-elim"); 259 if (!Opts.FloatABI.empty()) 260 Res.push_back("-mfloat-abi", Opts.FloatABI); 261 if (!Opts.LimitFloatPrecision.empty()) 262 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 263 if (Opts.NoZeroInitializedInBSS) 264 Res.push_back("-mno-zero-initialized-bss"); 265 switch (Opts.getObjCDispatchMethod()) { 266 case CodeGenOptions::Legacy: 267 break; 268 case CodeGenOptions::Mixed: 269 Res.push_back("-fobjc-dispatch-method=mixed"); 270 break; 271 case CodeGenOptions::NonLegacy: 272 Res.push_back("-fobjc-dispatch-method=non-legacy"); 273 break; 274 } 275 if (Opts.NumRegisterParameters) 276 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 277 if (Opts.NoGlobalMerge) 278 Res.push_back("-mno-global-merge"); 279 if (Opts.NoExecStack) 280 Res.push_back("-mnoexecstack"); 281 if (Opts.RelaxAll) 282 Res.push_back("-mrelax-all"); 283 if (Opts.SaveTempLabels) 284 Res.push_back("-msave-temp-labels"); 285 if (Opts.NoDwarf2CFIAsm) 286 Res.push_back("-fno-dwarf2-cfi-asm"); 287 if (Opts.NoDwarfDirectoryAsm) 288 Res.push_back("-fno-dwarf-directory-asm"); 289 if (Opts.SoftFloat) 290 Res.push_back("-msoft-float"); 291 if (Opts.StrictEnums) 292 Res.push_back("-fstrict-enums"); 293 if (Opts.UnwindTables) 294 Res.push_back("-munwind-tables"); 295 if (Opts.RelocationModel != "pic") 296 Res.push_back("-mrelocation-model", Opts.RelocationModel); 297 if (!Opts.VerifyModule) 298 Res.push_back("-disable-llvm-verifier"); 299 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 300 Res.push_back("-backend-option", Opts.BackendOptions[i]); 301 } 302 303 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 304 ToArgsList &Res) { 305 if (Opts.IncludeSystemHeaders) 306 Res.push_back("-sys-header-deps"); 307 if (Opts.ShowHeaderIncludes) 308 Res.push_back("-H"); 309 if (!Opts.HeaderIncludeOutputFile.empty()) 310 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 311 if (Opts.UsePhonyTargets) 312 Res.push_back("-MP"); 313 if (!Opts.OutputFile.empty()) 314 Res.push_back("-dependency-file", Opts.OutputFile); 315 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 316 Res.push_back("-MT", Opts.Targets[i]); 317 } 318 319 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 320 ToArgsList &Res) { 321 if (Opts.IgnoreWarnings) 322 Res.push_back("-w"); 323 if (Opts.NoRewriteMacros) 324 Res.push_back("-Wno-rewrite-macros"); 325 if (Opts.Pedantic) 326 Res.push_back("-pedantic"); 327 if (Opts.PedanticErrors) 328 Res.push_back("-pedantic-errors"); 329 if (!Opts.ShowColumn) 330 Res.push_back("-fno-show-column"); 331 if (!Opts.ShowLocation) 332 Res.push_back("-fno-show-source-location"); 333 if (!Opts.ShowCarets) 334 Res.push_back("-fno-caret-diagnostics"); 335 if (!Opts.ShowFixits) 336 Res.push_back("-fno-diagnostics-fixit-info"); 337 if (Opts.ShowSourceRanges) 338 Res.push_back("-fdiagnostics-print-source-range-info"); 339 if (Opts.ShowParseableFixits) 340 Res.push_back("-fdiagnostics-parseable-fixits"); 341 if (Opts.ShowColors) 342 Res.push_back("-fcolor-diagnostics"); 343 if (Opts.VerifyDiagnostics) 344 Res.push_back("-verify"); 345 if (Opts.ShowOptionNames) 346 Res.push_back("-fdiagnostics-show-option"); 347 if (Opts.ShowCategories == 1) 348 Res.push_back("-fdiagnostics-show-category=id"); 349 else if (Opts.ShowCategories == 2) 350 Res.push_back("-fdiagnostics-show-category=name"); 351 switch (Opts.Format) { 352 case DiagnosticOptions::Clang: 353 Res.push_back("-fdiagnostics-format=clang"); break; 354 case DiagnosticOptions::Msvc: 355 Res.push_back("-fdiagnostics-format=msvc"); break; 356 case DiagnosticOptions::Vi: 357 Res.push_back("-fdiagnostics-format=vi"); break; 358 } 359 if (Opts.ErrorLimit) 360 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 361 if (!Opts.DiagnosticLogFile.empty()) 362 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 363 if (Opts.MacroBacktraceLimit 364 != DiagnosticOptions::DefaultMacroBacktraceLimit) 365 Res.push_back("-fmacro-backtrace-limit", 366 llvm::utostr(Opts.MacroBacktraceLimit)); 367 if (Opts.TemplateBacktraceLimit 368 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 369 Res.push_back("-ftemplate-backtrace-limit", 370 llvm::utostr(Opts.TemplateBacktraceLimit)); 371 if (Opts.ConstexprBacktraceLimit 372 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 373 Res.push_back("-fconstexpr-backtrace-limit", 374 llvm::utostr(Opts.ConstexprBacktraceLimit)); 375 376 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 377 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 378 if (Opts.MessageLength) 379 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 380 if (!Opts.DumpBuildInformation.empty()) 381 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 382 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 383 Res.push_back("-W" + Opts.Warnings[i]); 384 } 385 386 static const char *getInputKindName(InputKind Kind) { 387 switch (Kind) { 388 case IK_None: break; 389 case IK_AST: return "ast"; 390 case IK_Asm: return "assembler-with-cpp"; 391 case IK_C: return "c"; 392 case IK_CXX: return "c++"; 393 case IK_LLVM_IR: return "ir"; 394 case IK_ObjC: return "objective-c"; 395 case IK_ObjCXX: return "objective-c++"; 396 case IK_OpenCL: return "cl"; 397 case IK_CUDA: return "cuda"; 398 case IK_PreprocessedC: return "cpp-output"; 399 case IK_PreprocessedCXX: return "c++-cpp-output"; 400 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 401 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 402 } 403 404 llvm_unreachable("Unexpected language kind!"); 405 } 406 407 static const char *getActionName(frontend::ActionKind Kind) { 408 switch (Kind) { 409 case frontend::PluginAction: 410 llvm_unreachable("Invalid kind!"); 411 412 case frontend::ASTDump: return "-ast-dump"; 413 case frontend::ASTDumpXML: return "-ast-dump-xml"; 414 case frontend::ASTPrint: return "-ast-print"; 415 case frontend::ASTView: return "-ast-view"; 416 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 417 case frontend::DumpTokens: return "-dump-tokens"; 418 case frontend::EmitAssembly: return "-S"; 419 case frontend::EmitBC: return "-emit-llvm-bc"; 420 case frontend::EmitHTML: return "-emit-html"; 421 case frontend::EmitLLVM: return "-emit-llvm"; 422 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 423 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 424 case frontend::EmitObj: return "-emit-obj"; 425 case frontend::FixIt: return "-fixit"; 426 case frontend::GenerateModule: return "-emit-module"; 427 case frontend::GeneratePCH: return "-emit-pch"; 428 case frontend::GeneratePTH: return "-emit-pth"; 429 case frontend::InitOnly: return "-init-only"; 430 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 431 case frontend::PrintDeclContext: return "-print-decl-contexts"; 432 case frontend::PrintPreamble: return "-print-preamble"; 433 case frontend::PrintPreprocessedInput: return "-E"; 434 case frontend::PubnamesDump: return "-pubnames-dump"; 435 case frontend::RewriteMacros: return "-rewrite-macros"; 436 case frontend::RewriteObjC: return "-rewrite-objc"; 437 case frontend::RewriteTest: return "-rewrite-test"; 438 case frontend::RunAnalysis: return "-analyze"; 439 case frontend::MigrateSource: return "-migrate"; 440 case frontend::RunPreprocessorOnly: return "-Eonly"; 441 } 442 443 llvm_unreachable("Unexpected language kind!"); 444 } 445 446 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 447 if (!Opts.WorkingDir.empty()) 448 Res.push_back("-working-directory", Opts.WorkingDir); 449 } 450 451 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 452 if (Opts.DisableFree) 453 Res.push_back("-disable-free"); 454 if (Opts.RelocatablePCH) 455 Res.push_back("-relocatable-pch"); 456 if (Opts.ShowHelp) 457 Res.push_back("-help"); 458 if (Opts.ShowMacrosInCodeCompletion) 459 Res.push_back("-code-completion-macros"); 460 if (Opts.ShowCodePatternsInCodeCompletion) 461 Res.push_back("-code-completion-patterns"); 462 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 463 Res.push_back("-no-code-completion-globals"); 464 if (Opts.ShowStats) 465 Res.push_back("-print-stats"); 466 if (Opts.ShowTimers) 467 Res.push_back("-ftime-report"); 468 if (Opts.ShowVersion) 469 Res.push_back("-version"); 470 if (Opts.FixWhatYouCan) 471 Res.push_back("-fix-what-you-can"); 472 if (Opts.FixOnlyWarnings) 473 Res.push_back("-fix-only-warnings"); 474 if (Opts.FixAndRecompile) 475 Res.push_back("-fixit-recompile"); 476 if (Opts.FixToTemporaries) 477 Res.push_back("-fixit-to-temporary"); 478 switch (Opts.ARCMTAction) { 479 case FrontendOptions::ARCMT_None: 480 break; 481 case FrontendOptions::ARCMT_Check: 482 Res.push_back("-arcmt-check"); 483 break; 484 case FrontendOptions::ARCMT_Modify: 485 Res.push_back("-arcmt-modify"); 486 break; 487 case FrontendOptions::ARCMT_Migrate: 488 Res.push_back("-arcmt-migrate"); 489 break; 490 } 491 if (!Opts.MTMigrateDir.empty()) 492 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 493 if (!Opts.ARCMTMigrateReportOut.empty()) 494 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 495 if (Opts.ARCMTMigrateEmitARCErrors) 496 Res.push_back("-arcmt-migrate-emit-errors"); 497 498 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 499 Res.push_back("-objcmt-migrate-literals"); 500 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 501 Res.push_back("-objcmt-migrate-subscripting"); 502 503 bool NeedLang = false; 504 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 505 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 506 Opts.Inputs[i].Kind) 507 NeedLang = true; 508 if (NeedLang) 509 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 510 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 511 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 512 "Unable to represent this input vector!"); 513 Res.push_back(Opts.Inputs[i].File); 514 } 515 516 if (!Opts.OutputFile.empty()) 517 Res.push_back("-o", Opts.OutputFile); 518 if (!Opts.CodeCompletionAt.FileName.empty()) 519 Res.push_back("-code-completion-at", 520 Opts.CodeCompletionAt.FileName + ":" + 521 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 522 llvm::utostr(Opts.CodeCompletionAt.Column)); 523 if (Opts.ProgramAction != frontend::PluginAction) 524 Res.push_back(getActionName(Opts.ProgramAction)); 525 if (!Opts.ActionName.empty()) { 526 Res.push_back("-plugin", Opts.ActionName); 527 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 528 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 529 } 530 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 531 Res.push_back("-load", Opts.Plugins[i]); 532 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 533 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 534 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 535 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 536 Opts.AddPluginArgs[i][ai]); 537 } 538 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 539 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 540 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 541 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 542 if (!Opts.OverrideRecordLayoutsFile.empty()) 543 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 544 } 545 546 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 547 ToArgsList &Res) { 548 if (Opts.Sysroot != "/") { 549 Res.push_back("-isysroot"); 550 Res.push_back(Opts.Sysroot); 551 } 552 553 /// User specified include entries. 554 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 555 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 556 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 557 llvm::report_fatal_error("Invalid option set!"); 558 if (E.IsUserSupplied) { 559 switch (E.Group) { 560 case frontend::After: 561 Res.push_back("-idirafter"); 562 break; 563 564 case frontend::Quoted: 565 Res.push_back("-iquote"); 566 break; 567 568 case frontend::System: 569 Res.push_back("-isystem"); 570 break; 571 572 case frontend::IndexHeaderMap: 573 Res.push_back("-index-header-map"); 574 Res.push_back(E.IsFramework? "-F" : "-I"); 575 break; 576 577 case frontend::CSystem: 578 Res.push_back("-c-isystem"); 579 break; 580 581 case frontend::CXXSystem: 582 Res.push_back("-cxx-isystem"); 583 break; 584 585 case frontend::ObjCSystem: 586 Res.push_back("-objc-isystem"); 587 break; 588 589 case frontend::ObjCXXSystem: 590 Res.push_back("-objcxx-isystem"); 591 break; 592 593 case frontend::Angled: 594 Res.push_back(E.IsFramework ? "-F" : "-I"); 595 break; 596 } 597 } else { 598 if (E.IsInternal) { 599 assert(E.Group == frontend::System && "Unexpected header search group"); 600 if (E.ImplicitExternC) 601 Res.push_back("-internal-externc-isystem"); 602 else 603 Res.push_back("-internal-isystem"); 604 } else { 605 if (E.Group != frontend::Angled && E.Group != frontend::System) 606 llvm::report_fatal_error("Invalid option set!"); 607 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 608 "-iwithprefix"); 609 } 610 } 611 Res.push_back(E.Path); 612 } 613 614 if (!Opts.ResourceDir.empty()) 615 Res.push_back("-resource-dir", Opts.ResourceDir); 616 if (!Opts.ModuleCachePath.empty()) 617 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 618 if (!Opts.UseStandardSystemIncludes) 619 Res.push_back("-nostdsysteminc"); 620 if (!Opts.UseStandardCXXIncludes) 621 Res.push_back("-nostdinc++"); 622 if (Opts.UseLibcxx) 623 Res.push_back("-stdlib=libc++"); 624 if (Opts.Verbose) 625 Res.push_back("-v"); 626 } 627 628 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 629 LangOptions DefaultLangOpts; 630 631 // FIXME: Need to set -std to get all the implicit options. 632 633 // FIXME: We want to only pass options relative to the defaults, which 634 // requires constructing a target. :( 635 // 636 // It would be better to push the all target specific choices into the driver, 637 // so that everything below that was more uniform. 638 639 if (Opts.Trigraphs) 640 Res.push_back("-trigraphs"); 641 // Implicit based on the input kind: 642 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 643 // Implicit based on the input language standard: 644 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 645 if (Opts.DollarIdents) 646 Res.push_back("-fdollars-in-identifiers"); 647 if (Opts.GNUMode && !Opts.GNUKeywords) 648 Res.push_back("-fno-gnu-keywords"); 649 if (!Opts.GNUMode && Opts.GNUKeywords) 650 Res.push_back("-fgnu-keywords"); 651 if (Opts.MicrosoftExt) 652 Res.push_back("-fms-extensions"); 653 if (Opts.MicrosoftMode) 654 Res.push_back("-fms-compatibility"); 655 if (Opts.MSCVersion != 0) 656 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 657 if (Opts.Borland) 658 Res.push_back("-fborland-extensions"); 659 if (!Opts.ObjCNonFragileABI) 660 Res.push_back("-fobjc-fragile-abi"); 661 if (Opts.ObjCDefaultSynthProperties) 662 Res.push_back("-fobjc-default-synthesize-properties"); 663 // NoInline is implicit. 664 if (!Opts.CXXOperatorNames) 665 Res.push_back("-fno-operator-names"); 666 if (Opts.PascalStrings) 667 Res.push_back("-fpascal-strings"); 668 if (Opts.CatchUndefined) 669 Res.push_back("-fcatch-undefined-behavior"); 670 if (Opts.AddressSanitizer) 671 Res.push_back("-faddress-sanitizer"); 672 if (Opts.ThreadSanitizer) 673 Res.push_back("-fthread-sanitizer"); 674 if (Opts.WritableStrings) 675 Res.push_back("-fwritable-strings"); 676 if (Opts.ConstStrings) 677 Res.push_back("-fconst-strings"); 678 if (!Opts.LaxVectorConversions) 679 Res.push_back("-fno-lax-vector-conversions"); 680 if (Opts.AltiVec) 681 Res.push_back("-faltivec"); 682 if (Opts.Exceptions) 683 Res.push_back("-fexceptions"); 684 if (Opts.ObjCExceptions) 685 Res.push_back("-fobjc-exceptions"); 686 if (Opts.CXXExceptions) 687 Res.push_back("-fcxx-exceptions"); 688 if (Opts.SjLjExceptions) 689 Res.push_back("-fsjlj-exceptions"); 690 if (Opts.TraditionalCPP) 691 Res.push_back("-traditional-cpp"); 692 if (!Opts.RTTI) 693 Res.push_back("-fno-rtti"); 694 if (Opts.MSBitfields) 695 Res.push_back("-mms-bitfields"); 696 if (!Opts.NeXTRuntime) 697 Res.push_back("-fgnu-runtime"); 698 if (Opts.Freestanding) 699 Res.push_back("-ffreestanding"); 700 if (Opts.NoBuiltin) 701 Res.push_back("-fno-builtin"); 702 if (!Opts.AssumeSaneOperatorNew) 703 Res.push_back("-fno-assume-sane-operator-new"); 704 if (!Opts.ThreadsafeStatics) 705 Res.push_back("-fno-threadsafe-statics"); 706 if (Opts.POSIXThreads) 707 Res.push_back("-pthread"); 708 if (Opts.Blocks) 709 Res.push_back("-fblocks"); 710 if (Opts.BlocksRuntimeOptional) 711 Res.push_back("-fblocks-runtime-optional"); 712 if (Opts.Modules) 713 Res.push_back("-fmodules"); 714 if (Opts.EmitAllDecls) 715 Res.push_back("-femit-all-decls"); 716 if (Opts.MathErrno) 717 Res.push_back("-fmath-errno"); 718 switch (Opts.getSignedOverflowBehavior()) { 719 case LangOptions::SOB_Undefined: break; 720 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 721 case LangOptions::SOB_Trapping: 722 Res.push_back("-ftrapv"); 723 if (!Opts.OverflowHandler.empty()) 724 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 725 break; 726 } 727 if (Opts.HeinousExtensions) 728 Res.push_back("-fheinous-gnu-extensions"); 729 // Optimize is implicit. 730 // OptimizeSize is implicit. 731 if (Opts.FastMath) 732 Res.push_back("-ffast-math"); 733 if (Opts.Static) 734 Res.push_back("-static-define"); 735 if (Opts.DumpRecordLayoutsSimple) 736 Res.push_back("-fdump-record-layouts-simple"); 737 else if (Opts.DumpRecordLayouts) 738 Res.push_back("-fdump-record-layouts"); 739 if (Opts.DumpVTableLayouts) 740 Res.push_back("-fdump-vtable-layouts"); 741 if (Opts.NoBitFieldTypeAlign) 742 Res.push_back("-fno-bitfield-type-alignment"); 743 if (Opts.PICLevel) 744 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 745 if (Opts.PIELevel) 746 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 747 if (Opts.ObjCGCBitmapPrint) 748 Res.push_back("-print-ivar-layout"); 749 if (Opts.NoConstantCFStrings) 750 Res.push_back("-fno-constant-cfstrings"); 751 if (!Opts.AccessControl) 752 Res.push_back("-fno-access-control"); 753 if (!Opts.CharIsSigned) 754 Res.push_back("-fno-signed-char"); 755 if (Opts.ShortWChar) 756 Res.push_back("-fshort-wchar"); 757 if (!Opts.ElideConstructors) 758 Res.push_back("-fno-elide-constructors"); 759 if (Opts.getGC() != LangOptions::NonGC) { 760 if (Opts.getGC() == LangOptions::HybridGC) { 761 Res.push_back("-fobjc-gc"); 762 } else { 763 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 764 Res.push_back("-fobjc-gc-only"); 765 } 766 } 767 if (Opts.ObjCAutoRefCount) 768 Res.push_back("-fobjc-arc"); 769 if (Opts.ObjCRuntimeHasWeak) 770 Res.push_back("-fobjc-runtime-has-weak"); 771 if (!Opts.ObjCInferRelatedResultType) 772 Res.push_back("-fno-objc-infer-related-result-type"); 773 774 if (Opts.AppleKext) 775 Res.push_back("-fapple-kext"); 776 777 if (Opts.getVisibilityMode() != DefaultVisibility) { 778 Res.push_back("-fvisibility"); 779 if (Opts.getVisibilityMode() == HiddenVisibility) { 780 Res.push_back("hidden"); 781 } else { 782 assert(Opts.getVisibilityMode() == ProtectedVisibility && 783 "Invalid visibility!"); 784 Res.push_back("protected"); 785 } 786 } 787 if (Opts.InlineVisibilityHidden) 788 Res.push_back("-fvisibility-inlines-hidden"); 789 790 if (Opts.getStackProtector() != 0) 791 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 792 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 793 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 794 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 795 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 796 if (!Opts.ObjCConstantStringClass.empty()) 797 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 798 if (Opts.FakeAddressSpaceMap) 799 Res.push_back("-ffake-address-space-map"); 800 if (Opts.ParseUnknownAnytype) 801 Res.push_back("-funknown-anytype"); 802 if (Opts.DebuggerSupport) 803 Res.push_back("-fdebugger-support"); 804 if (Opts.DebuggerCastResultToId) 805 Res.push_back("-fdebugger-cast-result-to-id"); 806 if (Opts.DebuggerObjCLiteral) 807 Res.push_back("-fdebugger-objc-literal"); 808 if (Opts.DelayedTemplateParsing) 809 Res.push_back("-fdelayed-template-parsing"); 810 if (Opts.Deprecated) 811 Res.push_back("-fdeprecated-macro"); 812 if (Opts.ApplePragmaPack) 813 Res.push_back("-fapple-pragma-pack"); 814 if (!Opts.CurrentModule.empty()) 815 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 816 } 817 818 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 819 ToArgsList &Res) { 820 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 821 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 822 Opts.Macros[i].first); 823 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 824 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 825 Res.push_back("-include", Opts.Includes[i]); 826 } 827 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 828 Res.push_back("-imacros", Opts.MacroIncludes[i]); 829 if (!Opts.UsePredefines) 830 Res.push_back("-undef"); 831 if (Opts.DetailedRecord) 832 Res.push_back("-detailed-preprocessing-record"); 833 if (!Opts.ImplicitPCHInclude.empty()) 834 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 835 if (!Opts.ImplicitPTHInclude.empty()) 836 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 837 if (!Opts.TokenCache.empty()) { 838 if (Opts.ImplicitPTHInclude.empty()) 839 Res.push_back("-token-cache", Opts.TokenCache); 840 else 841 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 842 "Unsupported option combination!"); 843 } 844 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 845 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 846 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 847 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 848 Opts.RemappedFiles[i].second); 849 } 850 } 851 852 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 853 ToArgsList &Res) { 854 if (!Opts.ShowCPP && !Opts.ShowMacros) 855 llvm::report_fatal_error("Invalid option combination!"); 856 857 if (Opts.ShowCPP && Opts.ShowMacros) 858 Res.push_back("-dD"); 859 else if (!Opts.ShowCPP && Opts.ShowMacros) 860 Res.push_back("-dM"); 861 862 if (!Opts.ShowLineMarkers) 863 Res.push_back("-P"); 864 if (Opts.ShowComments) 865 Res.push_back("-C"); 866 if (Opts.ShowMacroComments) 867 Res.push_back("-CC"); 868 } 869 870 static void TargetOptsToArgs(const TargetOptions &Opts, 871 ToArgsList &Res) { 872 Res.push_back("-triple"); 873 Res.push_back(Opts.Triple); 874 if (!Opts.CPU.empty()) 875 Res.push_back("-target-cpu", Opts.CPU); 876 if (!Opts.ABI.empty()) 877 Res.push_back("-target-abi", Opts.ABI); 878 if (!Opts.LinkerVersion.empty()) 879 Res.push_back("-target-linker-version", Opts.LinkerVersion); 880 if (!Opts.CXXABI.empty()) 881 Res.push_back("-cxx-abi", Opts.CXXABI); 882 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 883 Res.push_back("-target-feature", Opts.Features[i]); 884 } 885 886 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 887 ToArgsList List(Res); 888 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 889 CodeGenOptsToArgs(getCodeGenOpts(), List); 890 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 891 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 892 FileSystemOptsToArgs(getFileSystemOpts(), List); 893 FrontendOptsToArgs(getFrontendOpts(), List); 894 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 895 LangOptsToArgs(*getLangOpts(), List); 896 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 897 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 898 TargetOptsToArgs(getTargetOpts(), List); 899 } 900 901 //===----------------------------------------------------------------------===// 902 // Deserialization (to args) 903 //===----------------------------------------------------------------------===// 904 905 using namespace clang::driver; 906 using namespace clang::driver::cc1options; 907 908 // 909 910 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 911 DiagnosticsEngine &Diags) { 912 unsigned DefaultOpt = 0; 913 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 914 DefaultOpt = 2; 915 // -Os/-Oz implies -O2 916 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 917 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 918 } 919 920 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 921 DiagnosticsEngine &Diags) { 922 using namespace cc1options; 923 bool Success = true; 924 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 925 StringRef Name = A->getValue(Args); 926 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 927 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 928 .Case(CMDFLAG, NAME##Model) 929 #include "clang/Frontend/Analyses.def" 930 .Default(NumStores); 931 if (Value == NumStores) { 932 Diags.Report(diag::err_drv_invalid_value) 933 << A->getAsString(Args) << Name; 934 Success = false; 935 } else { 936 Opts.AnalysisStoreOpt = Value; 937 } 938 } 939 940 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 941 StringRef Name = A->getValue(Args); 942 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 943 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 944 .Case(CMDFLAG, NAME##Model) 945 #include "clang/Frontend/Analyses.def" 946 .Default(NumConstraints); 947 if (Value == NumConstraints) { 948 Diags.Report(diag::err_drv_invalid_value) 949 << A->getAsString(Args) << Name; 950 Success = false; 951 } else { 952 Opts.AnalysisConstraintsOpt = Value; 953 } 954 } 955 956 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 957 StringRef Name = A->getValue(Args); 958 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 959 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 960 .Case(CMDFLAG, PD_##NAME) 961 #include "clang/Frontend/Analyses.def" 962 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 963 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 964 Diags.Report(diag::err_drv_invalid_value) 965 << A->getAsString(Args) << Name; 966 Success = false; 967 } else { 968 Opts.AnalysisDiagOpt = Value; 969 } 970 } 971 972 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 973 StringRef Name = A->getValue(Args); 974 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 975 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 976 .Case(CMDFLAG, NAME) 977 #include "clang/Frontend/Analyses.def" 978 .Default(NumPurgeModes); 979 if (Value == NumPurgeModes) { 980 Diags.Report(diag::err_drv_invalid_value) 981 << A->getAsString(Args) << Name; 982 Success = false; 983 } else { 984 Opts.AnalysisPurgeOpt = Value; 985 } 986 } 987 988 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 989 StringRef Name = A->getValue(Args); 990 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 991 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 992 .Case(CMDFLAG, NAME) 993 #include "clang/Frontend/Analyses.def" 994 .Default(NumIPAModes); 995 if (Value == NumIPAModes) { 996 Diags.Report(diag::err_drv_invalid_value) 997 << A->getAsString(Args) << Name; 998 Success = false; 999 } else { 1000 Opts.IPAMode = Value; 1001 } 1002 } 1003 1004 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1005 StringRef Name = A->getValue(Args); 1006 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1007 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1008 .Case(CMDFLAG, NAME) 1009 #include "clang/Frontend/Analyses.def" 1010 .Default(NumInliningModes); 1011 if (Value == NumInliningModes) { 1012 Diags.Report(diag::err_drv_invalid_value) 1013 << A->getAsString(Args) << Name; 1014 Success = false; 1015 } else { 1016 Opts.InliningMode = Value; 1017 } 1018 } 1019 1020 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1021 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1022 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1023 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1024 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1025 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1026 Opts.AnalyzeNestedBlocks = 1027 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1028 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1029 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1030 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1031 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1032 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1033 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1034 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1035 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1036 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1037 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1038 Opts.InlineMaxStackDepth = 1039 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1040 Opts.InlineMaxStackDepth, Diags); 1041 Opts.InlineMaxFunctionSize = 1042 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1043 Opts.InlineMaxFunctionSize, Diags); 1044 1045 Opts.CheckersControlList.clear(); 1046 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1047 OPT_analyzer_disable_checker), 1048 ie = Args.filtered_end(); it != ie; ++it) { 1049 const Arg *A = *it; 1050 A->claim(); 1051 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1052 // We can have a list of comma separated checker names, e.g: 1053 // '-analyzer-checker=cocoa,unix' 1054 StringRef checkerList = A->getValue(Args); 1055 SmallVector<StringRef, 4> checkers; 1056 checkerList.split(checkers, ","); 1057 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1058 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1059 } 1060 1061 return Success; 1062 } 1063 1064 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1065 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1066 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1067 return true; 1068 } 1069 1070 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1071 DiagnosticsEngine &Diags) { 1072 using namespace cc1options; 1073 bool Success = true; 1074 1075 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1076 if (OptLevel > 3) { 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1079 OptLevel = 3; 1080 Success = false; 1081 } 1082 Opts.OptimizationLevel = OptLevel; 1083 1084 // We must always run at least the always inlining pass. 1085 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1086 : CodeGenOptions::OnlyAlwaysInlining; 1087 // -fno-inline-functions overrides OptimizationLevel > 1. 1088 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1089 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1090 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1091 1092 Opts.DebugInfo = Args.hasArg(OPT_g); 1093 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1094 || Args.hasArg(OPT_flimit_debug_info); 1095 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1096 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1097 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1098 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1099 OPT_fuse_register_sized_bitfield_access); 1100 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1101 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1102 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1103 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1104 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1105 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1106 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1107 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1108 Args.hasArg(OPT_ffreestanding)); 1109 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1110 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1111 1112 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1113 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1114 Opts.ObjCTrace = Args.hasArg(OPT_fobjc_trace); 1115 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1116 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1117 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1118 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1119 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1120 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1121 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1122 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1123 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1124 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1125 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1126 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1127 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1128 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1129 Args.hasArg(OPT_cl_finite_math_only)|| 1130 Args.hasArg(OPT_cl_fast_relaxed_math)); 1131 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1132 Args.hasArg(OPT_cl_finite_math_only)|| 1133 Args.hasArg(OPT_cl_fast_relaxed_math)); 1134 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1135 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1136 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1137 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1138 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1139 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1140 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1141 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1142 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1143 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1144 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1145 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1146 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1147 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1148 Args.hasArg(OPT_cl_fast_relaxed_math); 1149 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1150 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1151 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1152 1153 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1154 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1155 1156 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1157 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1158 1159 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1160 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1161 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1162 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1163 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1164 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1165 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1166 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1167 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1168 StringRef Val = A->getValue(Args); 1169 Val.getAsInteger(10, Opts.StackAlignment); 1170 } 1171 1172 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1173 StringRef Name = A->getValue(Args); 1174 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1175 .Case("legacy", CodeGenOptions::Legacy) 1176 .Case("non-legacy", CodeGenOptions::NonLegacy) 1177 .Case("mixed", CodeGenOptions::Mixed) 1178 .Default(~0U); 1179 if (Method == ~0U) { 1180 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1181 Success = false; 1182 } else { 1183 Opts.ObjCDispatchMethod = Method; 1184 } 1185 } 1186 1187 return Success; 1188 } 1189 1190 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1191 ArgList &Args) { 1192 using namespace cc1options; 1193 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1194 Opts.Targets = Args.getAllArgValues(OPT_MT); 1195 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1196 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1197 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1198 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1199 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1200 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1201 } 1202 1203 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1204 DiagnosticsEngine *Diags) { 1205 using namespace cc1options; 1206 bool Success = true; 1207 1208 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1209 Opts.DiagnosticSerializationFile = 1210 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1211 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1212 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1213 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1214 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1215 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1216 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1217 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1218 OPT_fno_show_column, 1219 /*Default=*/true); 1220 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1221 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1222 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1223 1224 // Default behavior is to not to show note include stacks. 1225 Opts.ShowNoteIncludeStack = false; 1226 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1227 OPT_fno_diagnostics_show_note_include_stack)) 1228 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1229 Opts.ShowNoteIncludeStack = true; 1230 1231 StringRef ShowOverloads = 1232 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1233 if (ShowOverloads == "best") 1234 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1235 else if (ShowOverloads == "all") 1236 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1237 else { 1238 Success = false; 1239 if (Diags) 1240 Diags->Report(diag::err_drv_invalid_value) 1241 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1242 << ShowOverloads; 1243 } 1244 1245 StringRef ShowCategory = 1246 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1247 if (ShowCategory == "none") 1248 Opts.ShowCategories = 0; 1249 else if (ShowCategory == "id") 1250 Opts.ShowCategories = 1; 1251 else if (ShowCategory == "name") 1252 Opts.ShowCategories = 2; 1253 else { 1254 Success = false; 1255 if (Diags) 1256 Diags->Report(diag::err_drv_invalid_value) 1257 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1258 << ShowCategory; 1259 } 1260 1261 StringRef Format = 1262 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1263 if (Format == "clang") 1264 Opts.Format = DiagnosticOptions::Clang; 1265 else if (Format == "msvc") 1266 Opts.Format = DiagnosticOptions::Msvc; 1267 else if (Format == "vi") 1268 Opts.Format = DiagnosticOptions::Vi; 1269 else { 1270 Success = false; 1271 if (Diags) 1272 Diags->Report(diag::err_drv_invalid_value) 1273 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1274 << Format; 1275 } 1276 1277 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1278 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1279 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1280 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1281 Opts.MacroBacktraceLimit 1282 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1283 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1284 Opts.TemplateBacktraceLimit 1285 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1286 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1287 Diags); 1288 Opts.ConstexprBacktraceLimit 1289 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1290 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1291 Diags); 1292 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1293 DiagnosticOptions::DefaultTabStop, Diags); 1294 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1295 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1296 if (Diags) 1297 Diags->Report(diag::warn_ignoring_ftabstop_value) 1298 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1299 } 1300 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1301 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1302 1303 for (arg_iterator it = Args.filtered_begin(OPT_W), 1304 ie = Args.filtered_end(); it != ie; ++it) { 1305 StringRef V = (*it)->getValue(Args); 1306 // "-Wl," and such are not warnings options. 1307 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1308 continue; 1309 1310 Opts.Warnings.push_back(V); 1311 } 1312 1313 return Success; 1314 } 1315 1316 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1317 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1318 } 1319 1320 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1321 DiagnosticsEngine &Diags) { 1322 using namespace cc1options; 1323 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1324 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1325 switch (A->getOption().getID()) { 1326 default: 1327 llvm_unreachable("Invalid option in group!"); 1328 case OPT_ast_dump: 1329 Opts.ProgramAction = frontend::ASTDump; break; 1330 case OPT_ast_dump_xml: 1331 Opts.ProgramAction = frontend::ASTDumpXML; break; 1332 case OPT_ast_print: 1333 Opts.ProgramAction = frontend::ASTPrint; break; 1334 case OPT_ast_view: 1335 Opts.ProgramAction = frontend::ASTView; break; 1336 case OPT_dump_raw_tokens: 1337 Opts.ProgramAction = frontend::DumpRawTokens; break; 1338 case OPT_dump_tokens: 1339 Opts.ProgramAction = frontend::DumpTokens; break; 1340 case OPT_S: 1341 Opts.ProgramAction = frontend::EmitAssembly; break; 1342 case OPT_emit_llvm_bc: 1343 Opts.ProgramAction = frontend::EmitBC; break; 1344 case OPT_emit_html: 1345 Opts.ProgramAction = frontend::EmitHTML; break; 1346 case OPT_emit_llvm: 1347 Opts.ProgramAction = frontend::EmitLLVM; break; 1348 case OPT_emit_llvm_only: 1349 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1350 case OPT_emit_codegen_only: 1351 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1352 case OPT_emit_obj: 1353 Opts.ProgramAction = frontend::EmitObj; break; 1354 case OPT_fixit_EQ: 1355 Opts.FixItSuffix = A->getValue(Args); 1356 // fall-through! 1357 case OPT_fixit: 1358 Opts.ProgramAction = frontend::FixIt; break; 1359 case OPT_emit_module: 1360 Opts.ProgramAction = frontend::GenerateModule; break; 1361 case OPT_emit_pch: 1362 Opts.ProgramAction = frontend::GeneratePCH; break; 1363 case OPT_emit_pth: 1364 Opts.ProgramAction = frontend::GeneratePTH; break; 1365 case OPT_init_only: 1366 Opts.ProgramAction = frontend::InitOnly; break; 1367 case OPT_fsyntax_only: 1368 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1369 case OPT_print_decl_contexts: 1370 Opts.ProgramAction = frontend::PrintDeclContext; break; 1371 case OPT_print_preamble: 1372 Opts.ProgramAction = frontend::PrintPreamble; break; 1373 case OPT_E: 1374 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1375 case OPT_pubnames_dump: 1376 Opts.ProgramAction = frontend::PubnamesDump; break; 1377 case OPT_rewrite_macros: 1378 Opts.ProgramAction = frontend::RewriteMacros; break; 1379 case OPT_rewrite_objc: 1380 Opts.ProgramAction = frontend::RewriteObjC; break; 1381 case OPT_rewrite_test: 1382 Opts.ProgramAction = frontend::RewriteTest; break; 1383 case OPT_analyze: 1384 Opts.ProgramAction = frontend::RunAnalysis; break; 1385 case OPT_migrate: 1386 Opts.ProgramAction = frontend::MigrateSource; break; 1387 case OPT_Eonly: 1388 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1389 } 1390 } 1391 1392 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1393 Opts.Plugins.push_back(A->getValue(Args,0)); 1394 Opts.ProgramAction = frontend::PluginAction; 1395 Opts.ActionName = A->getValue(Args); 1396 1397 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1398 end = Args.filtered_end(); it != end; ++it) { 1399 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1400 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1401 } 1402 } 1403 1404 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1405 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1406 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1407 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1408 end = Args.filtered_end(); it != end; ++it) { 1409 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1410 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1411 } 1412 } 1413 1414 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1415 Opts.CodeCompletionAt = 1416 ParsedSourceLocation::FromString(A->getValue(Args)); 1417 if (Opts.CodeCompletionAt.FileName.empty()) 1418 Diags.Report(diag::err_drv_invalid_value) 1419 << A->getAsString(Args) << A->getValue(Args); 1420 } 1421 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1422 1423 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1424 Opts.Plugins = Args.getAllArgValues(OPT_load); 1425 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1426 Opts.ShowHelp = Args.hasArg(OPT_help); 1427 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1428 Opts.ShowCodePatternsInCodeCompletion 1429 = Args.hasArg(OPT_code_completion_patterns); 1430 Opts.ShowGlobalSymbolsInCodeCompletion 1431 = !Args.hasArg(OPT_no_code_completion_globals); 1432 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1433 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1434 Opts.ShowVersion = Args.hasArg(OPT_version); 1435 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1436 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1437 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1438 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1439 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1440 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1441 Opts.OverrideRecordLayoutsFile 1442 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1443 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1444 OPT_arcmt_modify, 1445 OPT_arcmt_migrate)) { 1446 switch (A->getOption().getID()) { 1447 default: 1448 llvm_unreachable("missed a case"); 1449 case OPT_arcmt_check: 1450 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1451 break; 1452 case OPT_arcmt_modify: 1453 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1454 break; 1455 case OPT_arcmt_migrate: 1456 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1457 break; 1458 } 1459 } 1460 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1461 Opts.ARCMTMigrateReportOut 1462 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1463 Opts.ARCMTMigrateEmitARCErrors 1464 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1465 1466 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1467 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1468 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1469 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1470 1471 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1472 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1473 Diags.Report(diag::err_drv_argument_not_allowed_with) 1474 << "ARC migration" << "ObjC migration"; 1475 } 1476 1477 InputKind DashX = IK_None; 1478 if (const Arg *A = Args.getLastArg(OPT_x)) { 1479 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1480 .Case("c", IK_C) 1481 .Case("cl", IK_OpenCL) 1482 .Case("cuda", IK_CUDA) 1483 .Case("c++", IK_CXX) 1484 .Case("objective-c", IK_ObjC) 1485 .Case("objective-c++", IK_ObjCXX) 1486 .Case("cpp-output", IK_PreprocessedC) 1487 .Case("assembler-with-cpp", IK_Asm) 1488 .Case("c++-cpp-output", IK_PreprocessedCXX) 1489 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1490 .Case("objc-cpp-output", IK_PreprocessedObjC) 1491 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1492 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1493 .Case("c-header", IK_C) 1494 .Case("cl-header", IK_OpenCL) 1495 .Case("objective-c-header", IK_ObjC) 1496 .Case("c++-header", IK_CXX) 1497 .Case("objective-c++-header", IK_ObjCXX) 1498 .Case("ast", IK_AST) 1499 .Case("ir", IK_LLVM_IR) 1500 .Default(IK_None); 1501 if (DashX == IK_None) 1502 Diags.Report(diag::err_drv_invalid_value) 1503 << A->getAsString(Args) << A->getValue(Args); 1504 } 1505 1506 // '-' is the default input if none is given. 1507 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1508 Opts.Inputs.clear(); 1509 if (Inputs.empty()) 1510 Inputs.push_back("-"); 1511 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1512 InputKind IK = DashX; 1513 if (IK == IK_None) { 1514 IK = FrontendOptions::getInputKindForExtension( 1515 StringRef(Inputs[i]).rsplit('.').second); 1516 // FIXME: Remove this hack. 1517 if (i == 0) 1518 DashX = IK; 1519 } 1520 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1521 } 1522 1523 return DashX; 1524 } 1525 1526 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1527 void *MainAddr) { 1528 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1529 1530 if (!P.isEmpty()) { 1531 P.eraseComponent(); // Remove /clang from foo/bin/clang 1532 P.eraseComponent(); // Remove /bin from foo/bin 1533 1534 // Get foo/lib/clang/<version>/include 1535 P.appendComponent("lib"); 1536 P.appendComponent("clang"); 1537 P.appendComponent(CLANG_VERSION_STRING); 1538 } 1539 1540 return P.str(); 1541 } 1542 1543 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1544 using namespace cc1options; 1545 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1546 Opts.Verbose = Args.hasArg(OPT_v); 1547 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1548 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1549 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1550 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1551 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1552 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1553 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1554 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1555 1556 // Add -I..., -F..., and -index-header-map options in order. 1557 bool IsIndexHeaderMap = false; 1558 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1559 OPT_index_header_map), 1560 ie = Args.filtered_end(); it != ie; ++it) { 1561 if ((*it)->getOption().matches(OPT_index_header_map)) { 1562 // -index-header-map applies to the next -I or -F. 1563 IsIndexHeaderMap = true; 1564 continue; 1565 } 1566 1567 frontend::IncludeDirGroup Group 1568 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1569 1570 Opts.AddPath((*it)->getValue(Args), Group, true, 1571 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1572 IsIndexHeaderMap = false; 1573 } 1574 1575 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1576 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1577 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1578 OPT_iwithprefixbefore), 1579 ie = Args.filtered_end(); it != ie; ++it) { 1580 const Arg *A = *it; 1581 if (A->getOption().matches(OPT_iprefix)) 1582 Prefix = A->getValue(Args); 1583 else if (A->getOption().matches(OPT_iwithprefix)) 1584 Opts.AddPath(Prefix.str() + A->getValue(Args), 1585 frontend::System, false, false, false); 1586 else 1587 Opts.AddPath(Prefix.str() + A->getValue(Args), 1588 frontend::Angled, false, false, false); 1589 } 1590 1591 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1592 ie = Args.filtered_end(); it != ie; ++it) 1593 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1594 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1595 ie = Args.filtered_end(); it != ie; ++it) 1596 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1597 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1598 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1599 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1600 !(*it)->getOption().matches(OPT_iwithsysroot)); 1601 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1602 ie = Args.filtered_end(); it != ie; ++it) 1603 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1604 true); 1605 1606 // Add the paths for the various language specific isystem flags. 1607 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1608 ie = Args.filtered_end(); it != ie; ++it) 1609 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1610 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1611 ie = Args.filtered_end(); it != ie; ++it) 1612 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1613 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1614 ie = Args.filtered_end(); it != ie; ++it) 1615 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1616 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1617 ie = Args.filtered_end(); it != ie; ++it) 1618 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1619 true); 1620 1621 // Add the internal paths from a driver that detects standard include paths. 1622 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1623 OPT_internal_externc_isystem), 1624 E = Args.filtered_end(); 1625 I != E; ++I) 1626 Opts.AddPath((*I)->getValue(Args), frontend::System, 1627 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1628 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1629 } 1630 1631 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1632 LangStandard::Kind LangStd) { 1633 // Set some properties which depend solely on the input kind; it would be nice 1634 // to move these to the language standard, and have the driver resolve the 1635 // input kind + language standard. 1636 if (IK == IK_Asm) { 1637 Opts.AsmPreprocessor = 1; 1638 } else if (IK == IK_ObjC || 1639 IK == IK_ObjCXX || 1640 IK == IK_PreprocessedObjC || 1641 IK == IK_PreprocessedObjCXX) { 1642 Opts.ObjC1 = Opts.ObjC2 = 1; 1643 } 1644 1645 if (LangStd == LangStandard::lang_unspecified) { 1646 // Based on the base language, pick one. 1647 switch (IK) { 1648 case IK_None: 1649 case IK_AST: 1650 case IK_LLVM_IR: 1651 llvm_unreachable("Invalid input kind!"); 1652 case IK_OpenCL: 1653 LangStd = LangStandard::lang_opencl; 1654 break; 1655 case IK_CUDA: 1656 LangStd = LangStandard::lang_cuda; 1657 break; 1658 case IK_Asm: 1659 case IK_C: 1660 case IK_PreprocessedC: 1661 case IK_ObjC: 1662 case IK_PreprocessedObjC: 1663 LangStd = LangStandard::lang_gnu99; 1664 break; 1665 case IK_CXX: 1666 case IK_PreprocessedCXX: 1667 case IK_ObjCXX: 1668 case IK_PreprocessedObjCXX: 1669 LangStd = LangStandard::lang_gnucxx98; 1670 break; 1671 } 1672 } 1673 1674 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1675 Opts.BCPLComment = Std.hasBCPLComments(); 1676 Opts.C99 = Std.isC99(); 1677 Opts.C11 = Std.isC11(); 1678 Opts.CPlusPlus = Std.isCPlusPlus(); 1679 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1680 Opts.Digraphs = Std.hasDigraphs(); 1681 Opts.GNUMode = Std.isGNUMode(); 1682 Opts.GNUInline = !Std.isC99(); 1683 Opts.HexFloats = Std.hasHexFloats(); 1684 Opts.ImplicitInt = Std.hasImplicitInt(); 1685 1686 // OpenCL has some additional defaults. 1687 if (LangStd == LangStandard::lang_opencl) { 1688 Opts.OpenCL = 1; 1689 Opts.AltiVec = 0; 1690 Opts.CXXOperatorNames = 1; 1691 Opts.LaxVectorConversions = 0; 1692 Opts.DefaultFPContract = 1; 1693 } 1694 1695 if (LangStd == LangStandard::lang_cuda) 1696 Opts.CUDA = 1; 1697 1698 // OpenCL and C++ both have bool, true, false keywords. 1699 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1700 1701 Opts.GNUKeywords = Opts.GNUMode; 1702 Opts.CXXOperatorNames = Opts.CPlusPlus; 1703 1704 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1705 // is specified, or -std is set to a conforming mode. 1706 Opts.Trigraphs = !Opts.GNUMode; 1707 1708 Opts.DollarIdents = !Opts.AsmPreprocessor; 1709 } 1710 1711 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1712 DiagnosticsEngine &Diags) { 1713 // FIXME: Cleanup per-file based stuff. 1714 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1715 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1716 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1717 #define LANGSTANDARD(id, name, desc, features) \ 1718 .Case(name, LangStandard::lang_##id) 1719 #include "clang/Frontend/LangStandards.def" 1720 .Default(LangStandard::lang_unspecified); 1721 if (LangStd == LangStandard::lang_unspecified) 1722 Diags.Report(diag::err_drv_invalid_value) 1723 << A->getAsString(Args) << A->getValue(Args); 1724 else { 1725 // Valid standard, check to make sure language and standard are compatable. 1726 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1727 switch (IK) { 1728 case IK_C: 1729 case IK_ObjC: 1730 case IK_PreprocessedC: 1731 case IK_PreprocessedObjC: 1732 if (!(Std.isC89() || Std.isC99())) 1733 Diags.Report(diag::err_drv_argument_not_allowed_with) 1734 << A->getAsString(Args) << "C/ObjC"; 1735 break; 1736 case IK_CXX: 1737 case IK_ObjCXX: 1738 case IK_PreprocessedCXX: 1739 case IK_PreprocessedObjCXX: 1740 if (!Std.isCPlusPlus()) 1741 Diags.Report(diag::err_drv_argument_not_allowed_with) 1742 << A->getAsString(Args) << "C++/ObjC++"; 1743 break; 1744 case IK_OpenCL: 1745 if (!Std.isC99()) 1746 Diags.Report(diag::err_drv_argument_not_allowed_with) 1747 << A->getAsString(Args) << "OpenCL"; 1748 break; 1749 case IK_CUDA: 1750 if (!Std.isCPlusPlus()) 1751 Diags.Report(diag::err_drv_argument_not_allowed_with) 1752 << A->getAsString(Args) << "CUDA"; 1753 break; 1754 default: 1755 break; 1756 } 1757 } 1758 } 1759 1760 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1761 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1762 Diags.Report(diag::err_drv_invalid_value) 1763 << A->getAsString(Args) << A->getValue(Args); 1764 } 1765 } 1766 1767 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1768 1769 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1770 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1771 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1772 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1773 // name, as it doesn't seem a useful distinction. 1774 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1775 Opts.GNUKeywords); 1776 1777 if (Args.hasArg(OPT_fno_operator_names)) 1778 Opts.CXXOperatorNames = 0; 1779 1780 if (Opts.ObjC1) { 1781 if (Args.hasArg(OPT_fobjc_gc_only)) 1782 Opts.setGC(LangOptions::GCOnly); 1783 else if (Args.hasArg(OPT_fobjc_gc)) 1784 Opts.setGC(LangOptions::HybridGC); 1785 else if (Args.hasArg(OPT_fobjc_arc)) { 1786 Opts.ObjCAutoRefCount = 1; 1787 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1788 Diags.Report(diag::err_arc_nonfragile_abi); 1789 } 1790 1791 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1792 Opts.ObjCRuntimeHasWeak = 1; 1793 1794 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1795 Opts.ObjCInferRelatedResultType = 0; 1796 } 1797 1798 if (Args.hasArg(OPT_fgnu89_inline)) 1799 Opts.GNUInline = 1; 1800 1801 if (Args.hasArg(OPT_fapple_kext)) { 1802 if (!Opts.CPlusPlus) 1803 Diags.Report(diag::warn_c_kext); 1804 else 1805 Opts.AppleKext = 1; 1806 } 1807 1808 if (Args.hasArg(OPT_print_ivar_layout)) 1809 Opts.ObjCGCBitmapPrint = 1; 1810 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1811 Opts.NoConstantCFStrings = 1; 1812 1813 if (Args.hasArg(OPT_faltivec)) 1814 Opts.AltiVec = 1; 1815 1816 if (Args.hasArg(OPT_pthread)) 1817 Opts.POSIXThreads = 1; 1818 1819 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1820 Opts.DelayedTemplateParsing = 1; 1821 1822 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1823 if (Vis == "default") 1824 Opts.setVisibilityMode(DefaultVisibility); 1825 else if (Vis == "hidden") 1826 Opts.setVisibilityMode(HiddenVisibility); 1827 else if (Vis == "protected") 1828 // FIXME: diagnose if target does not support protected visibility 1829 Opts.setVisibilityMode(ProtectedVisibility); 1830 else 1831 Diags.Report(diag::err_drv_invalid_value) 1832 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1833 1834 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1835 Opts.InlineVisibilityHidden = 1; 1836 1837 if (Args.hasArg(OPT_ftrapv)) { 1838 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1839 // Set the handler, if one is specified. 1840 Opts.OverflowHandler = 1841 Args.getLastArgValue(OPT_ftrapv_handler); 1842 } 1843 else if (Args.hasArg(OPT_fwrapv)) 1844 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1845 1846 if (Args.hasArg(OPT_trigraphs)) 1847 Opts.Trigraphs = 1; 1848 1849 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1850 OPT_fno_dollars_in_identifiers, 1851 Opts.DollarIdents); 1852 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1853 Opts.MicrosoftExt 1854 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1855 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1856 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1857 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1858 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1859 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1860 Opts.ConstStrings); 1861 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1862 Opts.LaxVectorConversions = 0; 1863 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1864 Opts.ThreadsafeStatics = 0; 1865 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1866 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1867 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1868 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1869 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1870 1871 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1872 Opts.Blocks = Args.hasArg(OPT_fblocks); 1873 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1874 Opts.Modules = Args.hasArg(OPT_fmodules); 1875 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1876 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1877 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1878 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1879 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1880 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1881 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1882 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1883 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1884 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1885 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1886 Diags); 1887 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1888 Diags); 1889 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1890 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1891 0, Diags); 1892 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1893 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1894 Opts.ObjCConstantStringClass = 1895 Args.getLastArgValue(OPT_fconstant_string_class); 1896 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1897 if (Opts.ObjCNonFragileABI) 1898 Opts.ObjCNonFragileABI2 = true; 1899 Opts.ObjCDefaultSynthProperties = 1900 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1901 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1902 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1903 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1904 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1905 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1906 Opts.Static = Args.hasArg(OPT_static_define); 1907 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1908 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1909 || Args.hasArg(OPT_fdump_record_layouts); 1910 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1911 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1912 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1913 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1914 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1915 Opts.MRTD = Args.hasArg(OPT_mrtd); 1916 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1917 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1918 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1919 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1920 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1921 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1922 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1923 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1924 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1925 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1926 1927 // Record whether the __DEPRECATED define was requested. 1928 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1929 OPT_fno_deprecated_macro, 1930 Opts.Deprecated); 1931 1932 // FIXME: Eliminate this dependency. 1933 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1934 Opts.Optimize = Opt != 0; 1935 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1936 1937 // This is the __NO_INLINE__ define, which just depends on things like the 1938 // optimization level and -fno-inline, not actually whether the backend has 1939 // inlining enabled. 1940 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1941 1942 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1943 1944 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1945 switch (SSP) { 1946 default: 1947 Diags.Report(diag::err_drv_invalid_value) 1948 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1949 break; 1950 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1951 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1952 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1953 } 1954 } 1955 1956 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1957 FileManager &FileMgr, 1958 DiagnosticsEngine &Diags) { 1959 using namespace cc1options; 1960 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1961 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1962 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1963 Opts.TokenCache = A->getValue(Args); 1964 else 1965 Opts.TokenCache = Opts.ImplicitPTHInclude; 1966 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1967 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1968 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1969 1970 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1971 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1972 ie = Args.filtered_end(); it != ie; ++it) { 1973 const Arg *A = *it; 1974 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1975 } 1976 1977 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1978 StringRef Value(A->getValue(Args)); 1979 size_t Comma = Value.find(','); 1980 unsigned Bytes = 0; 1981 unsigned EndOfLine = 0; 1982 1983 if (Comma == StringRef::npos || 1984 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1985 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1986 Diags.Report(diag::err_drv_preamble_format); 1987 else { 1988 Opts.PrecompiledPreambleBytes.first = Bytes; 1989 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1990 } 1991 } 1992 1993 // Add macros from the command line. 1994 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1995 ie = Args.filtered_end(); it != ie; ++it) { 1996 if ((*it)->getOption().matches(OPT_D)) 1997 Opts.addMacroDef((*it)->getValue(Args)); 1998 else 1999 Opts.addMacroUndef((*it)->getValue(Args)); 2000 } 2001 2002 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2003 2004 // Add the ordered list of -includes. 2005 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2006 OPT_include_pth), 2007 ie = Args.filtered_end(); it != ie; ++it) { 2008 const Arg *A = *it; 2009 // PCH is handled specially, we need to extra the original include path. 2010 if (A->getOption().matches(OPT_include_pch)) { 2011 std::string OriginalFile = 2012 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2013 if (OriginalFile.empty()) 2014 continue; 2015 2016 Opts.Includes.push_back(OriginalFile); 2017 } else 2018 Opts.Includes.push_back(A->getValue(Args)); 2019 } 2020 2021 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2022 ie = Args.filtered_end(); it != ie; ++it) { 2023 const Arg *A = *it; 2024 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2025 } 2026 2027 // Include 'altivec.h' if -faltivec option present 2028 if (Args.hasArg(OPT_faltivec)) 2029 Opts.Includes.push_back("altivec.h"); 2030 2031 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2032 ie = Args.filtered_end(); it != ie; ++it) { 2033 const Arg *A = *it; 2034 std::pair<StringRef,StringRef> Split = 2035 StringRef(A->getValue(Args)).split(';'); 2036 2037 if (Split.second.empty()) { 2038 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2039 continue; 2040 } 2041 2042 Opts.addRemappedFile(Split.first, Split.second); 2043 } 2044 2045 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2046 StringRef Name = A->getValue(Args); 2047 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2048 .Case("libc++", ARCXX_libcxx) 2049 .Case("libstdc++", ARCXX_libstdcxx) 2050 .Case("none", ARCXX_nolib) 2051 .Default(~0U); 2052 if (Library == ~0U) 2053 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2054 else 2055 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2056 } 2057 } 2058 2059 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2060 ArgList &Args) { 2061 using namespace cc1options; 2062 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2063 Opts.ShowComments = Args.hasArg(OPT_C); 2064 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2065 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2066 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2067 } 2068 2069 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2070 using namespace cc1options; 2071 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2072 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2073 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2074 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2075 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2076 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2077 2078 // Use the default target triple if unspecified. 2079 if (Opts.Triple.empty()) 2080 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2081 } 2082 2083 // 2084 2085 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2086 const char *const *ArgBegin, 2087 const char *const *ArgEnd, 2088 DiagnosticsEngine &Diags) { 2089 bool Success = true; 2090 2091 // Parse the arguments. 2092 OwningPtr<OptTable> Opts(createCC1OptTable()); 2093 unsigned MissingArgIndex, MissingArgCount; 2094 OwningPtr<InputArgList> Args( 2095 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2096 2097 // Check for missing argument error. 2098 if (MissingArgCount) { 2099 Diags.Report(diag::err_drv_missing_argument) 2100 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2101 Success = false; 2102 } 2103 2104 // Issue errors on unknown arguments. 2105 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2106 ie = Args->filtered_end(); it != ie; ++it) { 2107 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2108 Success = false; 2109 } 2110 2111 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2112 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2113 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2114 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2115 && Success; 2116 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2117 // FIXME: We shouldn't have to pass the DashX option around here 2118 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2119 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2120 && Success; 2121 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2122 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2123 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2124 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2125 Res.getLangOpts()->ObjCExceptions = 1; 2126 } 2127 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2128 // PCH file and find the original header name. Remove the need to do that in 2129 // ParsePreprocessorArgs and remove the FileManager 2130 // parameters from the function and the "FileManager.h" #include. 2131 FileManager FileMgr(Res.getFileSystemOpts()); 2132 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2133 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2134 ParseTargetArgs(Res.getTargetOpts(), *Args); 2135 2136 return Success; 2137 } 2138 2139 namespace { 2140 2141 class ModuleSignature { 2142 llvm::SmallVector<uint64_t, 16> Data; 2143 unsigned CurBit; 2144 uint64_t CurValue; 2145 2146 public: 2147 ModuleSignature() : CurBit(0), CurValue(0) { } 2148 2149 void add(uint64_t Value, unsigned Bits); 2150 void add(StringRef Value); 2151 void flush(); 2152 2153 llvm::APInt getAsInteger() const; 2154 }; 2155 } 2156 2157 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2158 CurValue |= Value << CurBit; 2159 if (CurBit + NumBits < 64) { 2160 CurBit += NumBits; 2161 return; 2162 } 2163 2164 // Add the current word. 2165 Data.push_back(CurValue); 2166 2167 if (CurBit) 2168 CurValue = Value >> (64-CurBit); 2169 else 2170 CurValue = 0; 2171 CurBit = (CurBit+NumBits) & 63; 2172 } 2173 2174 void ModuleSignature::flush() { 2175 if (CurBit == 0) 2176 return; 2177 2178 Data.push_back(CurValue); 2179 CurBit = 0; 2180 CurValue = 0; 2181 } 2182 2183 void ModuleSignature::add(StringRef Value) { 2184 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2185 add(*I, 8); 2186 } 2187 2188 llvm::APInt ModuleSignature::getAsInteger() const { 2189 return llvm::APInt(Data.size() * 64, Data); 2190 } 2191 2192 std::string CompilerInvocation::getModuleHash() const { 2193 ModuleSignature Signature; 2194 2195 // Start the signature with the compiler version. 2196 // FIXME: The full version string can be quite long. Omit it from the 2197 // module hash for now to avoid failures where the path name becomes too 2198 // long. An MD5 or similar checksum would work well here. 2199 // Signature.add(getClangFullRepositoryVersion()); 2200 2201 // Extend the signature with the language options 2202 #define LANGOPT(Name, Bits, Default, Description) \ 2203 Signature.add(LangOpts->Name, Bits); 2204 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2205 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2206 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2207 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2208 #include "clang/Basic/LangOptions.def" 2209 2210 // Extend the signature with the target triple 2211 llvm::Triple T(TargetOpts.Triple); 2212 Signature.add((unsigned)T.getArch(), 5); 2213 Signature.add((unsigned)T.getVendor(), 4); 2214 Signature.add((unsigned)T.getOS(), 5); 2215 Signature.add((unsigned)T.getEnvironment(), 4); 2216 2217 // Extend the signature with preprocessor options. 2218 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2219 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2220 2221 // Hash the preprocessor defines. 2222 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2223 std::vector<StringRef> MacroDefs; 2224 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2225 I = getPreprocessorOpts().Macros.begin(), 2226 IEnd = getPreprocessorOpts().Macros.end(); 2227 I != IEnd; ++I) { 2228 if (!I->second) 2229 MacroDefs.push_back(I->first); 2230 } 2231 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2232 2233 unsigned PPHashResult = 0; 2234 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2235 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2236 Signature.add(PPHashResult, 32); 2237 2238 // We've generated the signature. Treat it as one large APInt that we'll 2239 // encode in base-36 and return. 2240 Signature.flush(); 2241 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2242 } 2243