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"); 170 171 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 172 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 173 if (opt.second) 174 Res.push_back("-analyzer-disable-checker"); 175 else 176 Res.push_back("-analyzer-checker"); 177 Res.push_back(opt.first); 178 } 179 } 180 181 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 182 if (Opts.DebugInfo) 183 Res.push_back("-g"); 184 if (Opts.DisableLLVMOpts) 185 Res.push_back("-disable-llvm-optzns"); 186 if (Opts.DisableRedZone) 187 Res.push_back("-disable-red-zone"); 188 if (Opts.DisableTailCalls) 189 Res.push_back("-mdisable-tail-calls"); 190 if (!Opts.DebugCompilationDir.empty()) 191 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 192 if (!Opts.DwarfDebugFlags.empty()) 193 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 194 if (Opts.ObjCRuntimeHasARC) 195 Res.push_back("-fobjc-runtime-has-arc"); 196 if (Opts.ObjCRuntimeHasTerminate) 197 Res.push_back("-fobjc-runtime-has-terminate"); 198 if (Opts.EmitGcovArcs) 199 Res.push_back("-femit-coverage-data"); 200 if (Opts.EmitGcovNotes) 201 Res.push_back("-femit-coverage-notes"); 202 if (!Opts.MergeAllConstants) 203 Res.push_back("-fno-merge-all-constants"); 204 if (Opts.NoCommon) 205 Res.push_back("-fno-common"); 206 if (Opts.ForbidGuardVariables) 207 Res.push_back("-fforbid-guard-variables"); 208 if (Opts.UseRegisterSizedBitfieldAccess) 209 Res.push_back("-fuse-register-sized-bitfield-access"); 210 if (Opts.NoImplicitFloat) 211 Res.push_back("-no-implicit-float"); 212 if (Opts.OmitLeafFramePointer) 213 Res.push_back("-momit-leaf-frame-pointer"); 214 if (Opts.OptimizeSize) { 215 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 216 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 217 } else if (Opts.OptimizationLevel != 0) 218 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 219 if (!Opts.MainFileName.empty()) 220 Res.push_back("-main-file-name", Opts.MainFileName); 221 if (Opts.NoInfsFPMath) 222 Res.push_back("-menable-no-infinities"); 223 if (Opts.NoNaNsFPMath) 224 Res.push_back("-menable-no-nans"); 225 // SimplifyLibCalls is only derived. 226 // TimePasses is only derived. 227 // UnitAtATime is unused. 228 // Inlining is only derived. 229 230 // UnrollLoops is derived, but also accepts an option, no 231 // harm in pushing it back here. 232 if (Opts.UnrollLoops) 233 Res.push_back("-funroll-loops"); 234 if (Opts.DataSections) 235 Res.push_back("-fdata-sections"); 236 if (Opts.FunctionSections) 237 Res.push_back("-ffunction-sections"); 238 if (Opts.AsmVerbose) 239 Res.push_back("-masm-verbose"); 240 if (!Opts.CodeModel.empty()) 241 Res.push_back("-mcode-model", Opts.CodeModel); 242 if (Opts.CUDAIsDevice) 243 Res.push_back("-fcuda-is-device"); 244 if (!Opts.CXAAtExit) 245 Res.push_back("-fno-use-cxa-atexit"); 246 if (Opts.CXXCtorDtorAliases) 247 Res.push_back("-mconstructor-aliases"); 248 if (Opts.ObjCAutoRefCountExceptions) 249 Res.push_back("-fobjc-arc-eh"); 250 if (!Opts.DebugPass.empty()) { 251 Res.push_back("-mdebug-pass", Opts.DebugPass); 252 } 253 if (Opts.DisableFPElim) 254 Res.push_back("-mdisable-fp-elim"); 255 if (!Opts.FloatABI.empty()) 256 Res.push_back("-mfloat-abi", Opts.FloatABI); 257 if (!Opts.LimitFloatPrecision.empty()) 258 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 259 if (Opts.NoZeroInitializedInBSS) 260 Res.push_back("-mno-zero-initialized-bss"); 261 switch (Opts.getObjCDispatchMethod()) { 262 case CodeGenOptions::Legacy: 263 break; 264 case CodeGenOptions::Mixed: 265 Res.push_back("-fobjc-dispatch-method=mixed"); 266 break; 267 case CodeGenOptions::NonLegacy: 268 Res.push_back("-fobjc-dispatch-method=non-legacy"); 269 break; 270 } 271 if (Opts.NumRegisterParameters) 272 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 273 if (Opts.NoGlobalMerge) 274 Res.push_back("-mno-global-merge"); 275 if (Opts.NoExecStack) 276 Res.push_back("-mnoexecstack"); 277 if (Opts.RelaxAll) 278 Res.push_back("-mrelax-all"); 279 if (Opts.SaveTempLabels) 280 Res.push_back("-msave-temp-labels"); 281 if (Opts.NoDwarf2CFIAsm) 282 Res.push_back("-fno-dwarf2-cfi-asm"); 283 if (Opts.NoDwarfDirectoryAsm) 284 Res.push_back("-fno-dwarf-directory-asm"); 285 if (Opts.SoftFloat) 286 Res.push_back("-msoft-float"); 287 if (Opts.UnwindTables) 288 Res.push_back("-munwind-tables"); 289 if (Opts.RelocationModel != "pic") 290 Res.push_back("-mrelocation-model", Opts.RelocationModel); 291 if (!Opts.VerifyModule) 292 Res.push_back("-disable-llvm-verifier"); 293 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 294 Res.push_back("-backend-option", Opts.BackendOptions[i]); 295 } 296 297 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 298 ToArgsList &Res) { 299 if (Opts.IncludeSystemHeaders) 300 Res.push_back("-sys-header-deps"); 301 if (Opts.ShowHeaderIncludes) 302 Res.push_back("-H"); 303 if (!Opts.HeaderIncludeOutputFile.empty()) 304 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 305 if (Opts.UsePhonyTargets) 306 Res.push_back("-MP"); 307 if (!Opts.OutputFile.empty()) 308 Res.push_back("-dependency-file", Opts.OutputFile); 309 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 310 Res.push_back("-MT", Opts.Targets[i]); 311 } 312 313 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 314 ToArgsList &Res) { 315 if (Opts.IgnoreWarnings) 316 Res.push_back("-w"); 317 if (Opts.NoRewriteMacros) 318 Res.push_back("-Wno-rewrite-macros"); 319 if (Opts.Pedantic) 320 Res.push_back("-pedantic"); 321 if (Opts.PedanticErrors) 322 Res.push_back("-pedantic-errors"); 323 if (!Opts.ShowColumn) 324 Res.push_back("-fno-show-column"); 325 if (!Opts.ShowLocation) 326 Res.push_back("-fno-show-source-location"); 327 if (!Opts.ShowCarets) 328 Res.push_back("-fno-caret-diagnostics"); 329 if (!Opts.ShowFixits) 330 Res.push_back("-fno-diagnostics-fixit-info"); 331 if (Opts.ShowSourceRanges) 332 Res.push_back("-fdiagnostics-print-source-range-info"); 333 if (Opts.ShowParseableFixits) 334 Res.push_back("-fdiagnostics-parseable-fixits"); 335 if (Opts.ShowColors) 336 Res.push_back("-fcolor-diagnostics"); 337 if (Opts.VerifyDiagnostics) 338 Res.push_back("-verify"); 339 if (Opts.ShowOptionNames) 340 Res.push_back("-fdiagnostics-show-option"); 341 if (Opts.ShowCategories == 1) 342 Res.push_back("-fdiagnostics-show-category=id"); 343 else if (Opts.ShowCategories == 2) 344 Res.push_back("-fdiagnostics-show-category=name"); 345 switch (Opts.Format) { 346 case DiagnosticOptions::Clang: 347 Res.push_back("-fdiagnostics-format=clang"); break; 348 case DiagnosticOptions::Msvc: 349 Res.push_back("-fdiagnostics-format=msvc"); break; 350 case DiagnosticOptions::Vi: 351 Res.push_back("-fdiagnostics-format=vi"); break; 352 } 353 if (Opts.ErrorLimit) 354 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 355 if (!Opts.DiagnosticLogFile.empty()) 356 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 357 if (Opts.MacroBacktraceLimit 358 != DiagnosticOptions::DefaultMacroBacktraceLimit) 359 Res.push_back("-fmacro-backtrace-limit", 360 llvm::utostr(Opts.MacroBacktraceLimit)); 361 if (Opts.TemplateBacktraceLimit 362 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 363 Res.push_back("-ftemplate-backtrace-limit", 364 llvm::utostr(Opts.TemplateBacktraceLimit)); 365 if (Opts.ConstexprBacktraceLimit 366 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 367 Res.push_back("-fconstexpr-backtrace-limit", 368 llvm::utostr(Opts.ConstexprBacktraceLimit)); 369 370 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 371 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 372 if (Opts.MessageLength) 373 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 374 if (!Opts.DumpBuildInformation.empty()) 375 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 376 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 377 Res.push_back("-W" + Opts.Warnings[i]); 378 } 379 380 static const char *getInputKindName(InputKind Kind) { 381 switch (Kind) { 382 case IK_None: break; 383 case IK_AST: return "ast"; 384 case IK_Asm: return "assembler-with-cpp"; 385 case IK_C: return "c"; 386 case IK_CXX: return "c++"; 387 case IK_LLVM_IR: return "ir"; 388 case IK_ObjC: return "objective-c"; 389 case IK_ObjCXX: return "objective-c++"; 390 case IK_OpenCL: return "cl"; 391 case IK_CUDA: return "cuda"; 392 case IK_PreprocessedC: return "cpp-output"; 393 case IK_PreprocessedCXX: return "c++-cpp-output"; 394 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 395 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 396 } 397 398 llvm_unreachable("Unexpected language kind!"); 399 } 400 401 static const char *getActionName(frontend::ActionKind Kind) { 402 switch (Kind) { 403 case frontend::PluginAction: 404 llvm_unreachable("Invalid kind!"); 405 406 case frontend::ASTDump: return "-ast-dump"; 407 case frontend::ASTDumpXML: return "-ast-dump-xml"; 408 case frontend::ASTPrint: return "-ast-print"; 409 case frontend::ASTView: return "-ast-view"; 410 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 411 case frontend::DumpTokens: return "-dump-tokens"; 412 case frontend::EmitAssembly: return "-S"; 413 case frontend::EmitBC: return "-emit-llvm-bc"; 414 case frontend::EmitHTML: return "-emit-html"; 415 case frontend::EmitLLVM: return "-emit-llvm"; 416 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 417 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 418 case frontend::EmitObj: return "-emit-obj"; 419 case frontend::FixIt: return "-fixit"; 420 case frontend::GenerateModule: return "-emit-module"; 421 case frontend::GeneratePCH: return "-emit-pch"; 422 case frontend::GeneratePTH: return "-emit-pth"; 423 case frontend::InitOnly: return "-init-only"; 424 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 425 case frontend::PrintDeclContext: return "-print-decl-contexts"; 426 case frontend::PrintPreamble: return "-print-preamble"; 427 case frontend::PrintPreprocessedInput: return "-E"; 428 case frontend::PubnamesDump: return "-pubnames-dump"; 429 case frontend::RewriteMacros: return "-rewrite-macros"; 430 case frontend::RewriteObjC: return "-rewrite-objc"; 431 case frontend::RewriteTest: return "-rewrite-test"; 432 case frontend::RunAnalysis: return "-analyze"; 433 case frontend::MigrateSource: return "-migrate"; 434 case frontend::RunPreprocessorOnly: return "-Eonly"; 435 } 436 437 llvm_unreachable("Unexpected language kind!"); 438 } 439 440 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 441 if (!Opts.WorkingDir.empty()) 442 Res.push_back("-working-directory", Opts.WorkingDir); 443 } 444 445 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 446 if (Opts.DisableFree) 447 Res.push_back("-disable-free"); 448 if (Opts.RelocatablePCH) 449 Res.push_back("-relocatable-pch"); 450 if (Opts.ShowHelp) 451 Res.push_back("-help"); 452 if (Opts.ShowMacrosInCodeCompletion) 453 Res.push_back("-code-completion-macros"); 454 if (Opts.ShowCodePatternsInCodeCompletion) 455 Res.push_back("-code-completion-patterns"); 456 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 457 Res.push_back("-no-code-completion-globals"); 458 if (Opts.ShowStats) 459 Res.push_back("-print-stats"); 460 if (Opts.ShowTimers) 461 Res.push_back("-ftime-report"); 462 if (Opts.ShowVersion) 463 Res.push_back("-version"); 464 if (Opts.FixWhatYouCan) 465 Res.push_back("-fix-what-you-can"); 466 if (Opts.FixOnlyWarnings) 467 Res.push_back("-fix-only-warnings"); 468 if (Opts.FixAndRecompile) 469 Res.push_back("-fixit-recompile"); 470 if (Opts.FixToTemporaries) 471 Res.push_back("-fixit-to-temporary"); 472 switch (Opts.ARCMTAction) { 473 case FrontendOptions::ARCMT_None: 474 break; 475 case FrontendOptions::ARCMT_Check: 476 Res.push_back("-arcmt-check"); 477 break; 478 case FrontendOptions::ARCMT_Modify: 479 Res.push_back("-arcmt-modify"); 480 break; 481 case FrontendOptions::ARCMT_Migrate: 482 Res.push_back("-arcmt-migrate"); 483 break; 484 } 485 if (!Opts.MTMigrateDir.empty()) 486 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 487 if (!Opts.ARCMTMigrateReportOut.empty()) 488 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 489 if (Opts.ARCMTMigrateEmitARCErrors) 490 Res.push_back("-arcmt-migrate-emit-errors"); 491 492 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 493 Res.push_back("-objcmt-migrate-literals"); 494 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 495 Res.push_back("-objcmt-migrate-subscripting"); 496 497 bool NeedLang = false; 498 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 499 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 500 Opts.Inputs[i].Kind) 501 NeedLang = true; 502 if (NeedLang) 503 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 504 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 505 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 506 "Unable to represent this input vector!"); 507 Res.push_back(Opts.Inputs[i].File); 508 } 509 510 if (!Opts.OutputFile.empty()) 511 Res.push_back("-o", Opts.OutputFile); 512 if (!Opts.CodeCompletionAt.FileName.empty()) 513 Res.push_back("-code-completion-at", 514 Opts.CodeCompletionAt.FileName + ":" + 515 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 516 llvm::utostr(Opts.CodeCompletionAt.Column)); 517 if (Opts.ProgramAction != frontend::PluginAction) 518 Res.push_back(getActionName(Opts.ProgramAction)); 519 if (!Opts.ActionName.empty()) { 520 Res.push_back("-plugin", Opts.ActionName); 521 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 522 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 523 } 524 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 525 Res.push_back("-load", Opts.Plugins[i]); 526 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 527 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 528 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 529 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 530 Opts.AddPluginArgs[i][ai]); 531 } 532 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 533 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 534 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 535 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 536 if (!Opts.OverrideRecordLayoutsFile.empty()) 537 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 538 } 539 540 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 541 ToArgsList &Res) { 542 if (Opts.Sysroot != "/") { 543 Res.push_back("-isysroot"); 544 Res.push_back(Opts.Sysroot); 545 } 546 547 /// User specified include entries. 548 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 549 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 550 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 551 llvm::report_fatal_error("Invalid option set!"); 552 if (E.IsUserSupplied) { 553 switch (E.Group) { 554 case frontend::After: 555 Res.push_back("-idirafter"); 556 break; 557 558 case frontend::Quoted: 559 Res.push_back("-iquote"); 560 break; 561 562 case frontend::System: 563 Res.push_back("-isystem"); 564 break; 565 566 case frontend::IndexHeaderMap: 567 Res.push_back("-index-header-map"); 568 Res.push_back(E.IsFramework? "-F" : "-I"); 569 break; 570 571 case frontend::CSystem: 572 Res.push_back("-c-isystem"); 573 break; 574 575 case frontend::CXXSystem: 576 Res.push_back("-cxx-isystem"); 577 break; 578 579 case frontend::ObjCSystem: 580 Res.push_back("-objc-isystem"); 581 break; 582 583 case frontend::ObjCXXSystem: 584 Res.push_back("-objcxx-isystem"); 585 break; 586 587 case frontend::Angled: 588 Res.push_back(E.IsFramework ? "-F" : "-I"); 589 break; 590 } 591 } else { 592 if (E.IsInternal) { 593 assert(E.Group == frontend::System && "Unexpected header search group"); 594 if (E.ImplicitExternC) 595 Res.push_back("-internal-externc-isystem"); 596 else 597 Res.push_back("-internal-isystem"); 598 } else { 599 if (E.Group != frontend::Angled && E.Group != frontend::System) 600 llvm::report_fatal_error("Invalid option set!"); 601 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 602 "-iwithprefix"); 603 } 604 } 605 Res.push_back(E.Path); 606 } 607 608 if (!Opts.ResourceDir.empty()) 609 Res.push_back("-resource-dir", Opts.ResourceDir); 610 if (!Opts.ModuleCachePath.empty()) 611 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 612 if (!Opts.UseStandardSystemIncludes) 613 Res.push_back("-nostdsysteminc"); 614 if (!Opts.UseStandardCXXIncludes) 615 Res.push_back("-nostdinc++"); 616 if (Opts.UseLibcxx) 617 Res.push_back("-stdlib=libc++"); 618 if (Opts.Verbose) 619 Res.push_back("-v"); 620 } 621 622 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 623 LangOptions DefaultLangOpts; 624 625 // FIXME: Need to set -std to get all the implicit options. 626 627 // FIXME: We want to only pass options relative to the defaults, which 628 // requires constructing a target. :( 629 // 630 // It would be better to push the all target specific choices into the driver, 631 // so that everything below that was more uniform. 632 633 if (Opts.Trigraphs) 634 Res.push_back("-trigraphs"); 635 // Implicit based on the input kind: 636 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 637 // Implicit based on the input language standard: 638 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 639 if (Opts.DollarIdents) 640 Res.push_back("-fdollars-in-identifiers"); 641 if (Opts.GNUMode && !Opts.GNUKeywords) 642 Res.push_back("-fno-gnu-keywords"); 643 if (!Opts.GNUMode && Opts.GNUKeywords) 644 Res.push_back("-fgnu-keywords"); 645 if (Opts.MicrosoftExt) 646 Res.push_back("-fms-extensions"); 647 if (Opts.MicrosoftMode) 648 Res.push_back("-fms-compatibility"); 649 if (Opts.MSCVersion != 0) 650 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 651 if (Opts.Borland) 652 Res.push_back("-fborland-extensions"); 653 if (!Opts.ObjCNonFragileABI) 654 Res.push_back("-fobjc-fragile-abi"); 655 if (Opts.ObjCDefaultSynthProperties) 656 Res.push_back("-fobjc-default-synthesize-properties"); 657 // NoInline is implicit. 658 if (!Opts.CXXOperatorNames) 659 Res.push_back("-fno-operator-names"); 660 if (Opts.PascalStrings) 661 Res.push_back("-fpascal-strings"); 662 if (Opts.CatchUndefined) 663 Res.push_back("-fcatch-undefined-behavior"); 664 if (Opts.AddressSanitizer) 665 Res.push_back("-faddress-sanitizer"); 666 if (Opts.ThreadSanitizer) 667 Res.push_back("-fthread-sanitizer"); 668 if (Opts.WritableStrings) 669 Res.push_back("-fwritable-strings"); 670 if (Opts.ConstStrings) 671 Res.push_back("-fconst-strings"); 672 if (!Opts.LaxVectorConversions) 673 Res.push_back("-fno-lax-vector-conversions"); 674 if (Opts.AltiVec) 675 Res.push_back("-faltivec"); 676 if (Opts.Exceptions) 677 Res.push_back("-fexceptions"); 678 if (Opts.ObjCExceptions) 679 Res.push_back("-fobjc-exceptions"); 680 if (Opts.CXXExceptions) 681 Res.push_back("-fcxx-exceptions"); 682 if (Opts.SjLjExceptions) 683 Res.push_back("-fsjlj-exceptions"); 684 if (Opts.TraditionalCPP) 685 Res.push_back("-traditional-cpp"); 686 if (!Opts.RTTI) 687 Res.push_back("-fno-rtti"); 688 if (Opts.MSBitfields) 689 Res.push_back("-mms-bitfields"); 690 if (!Opts.NeXTRuntime) 691 Res.push_back("-fgnu-runtime"); 692 if (Opts.Freestanding) 693 Res.push_back("-ffreestanding"); 694 if (Opts.NoBuiltin) 695 Res.push_back("-fno-builtin"); 696 if (!Opts.AssumeSaneOperatorNew) 697 Res.push_back("-fno-assume-sane-operator-new"); 698 if (!Opts.ThreadsafeStatics) 699 Res.push_back("-fno-threadsafe-statics"); 700 if (Opts.POSIXThreads) 701 Res.push_back("-pthread"); 702 if (Opts.Blocks) 703 Res.push_back("-fblocks"); 704 if (Opts.BlocksRuntimeOptional) 705 Res.push_back("-fblocks-runtime-optional"); 706 if (Opts.Modules) 707 Res.push_back("-fmodules"); 708 if (Opts.EmitAllDecls) 709 Res.push_back("-femit-all-decls"); 710 if (Opts.MathErrno) 711 Res.push_back("-fmath-errno"); 712 switch (Opts.getSignedOverflowBehavior()) { 713 case LangOptions::SOB_Undefined: break; 714 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 715 case LangOptions::SOB_Trapping: 716 Res.push_back("-ftrapv"); 717 if (!Opts.OverflowHandler.empty()) 718 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 719 break; 720 } 721 if (Opts.HeinousExtensions) 722 Res.push_back("-fheinous-gnu-extensions"); 723 // Optimize is implicit. 724 // OptimizeSize is implicit. 725 if (Opts.FastMath) 726 Res.push_back("-ffast-math"); 727 if (Opts.Static) 728 Res.push_back("-static-define"); 729 if (Opts.DumpRecordLayoutsSimple) 730 Res.push_back("-fdump-record-layouts-simple"); 731 else if (Opts.DumpRecordLayouts) 732 Res.push_back("-fdump-record-layouts"); 733 if (Opts.DumpVTableLayouts) 734 Res.push_back("-fdump-vtable-layouts"); 735 if (Opts.NoBitFieldTypeAlign) 736 Res.push_back("-fno-bitfield-type-alignment"); 737 if (Opts.PICLevel) 738 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 739 if (Opts.ObjCGCBitmapPrint) 740 Res.push_back("-print-ivar-layout"); 741 if (Opts.NoConstantCFStrings) 742 Res.push_back("-fno-constant-cfstrings"); 743 if (!Opts.AccessControl) 744 Res.push_back("-fno-access-control"); 745 if (!Opts.CharIsSigned) 746 Res.push_back("-fno-signed-char"); 747 if (Opts.ShortWChar) 748 Res.push_back("-fshort-wchar"); 749 if (!Opts.ElideConstructors) 750 Res.push_back("-fno-elide-constructors"); 751 if (Opts.getGC() != LangOptions::NonGC) { 752 if (Opts.getGC() == LangOptions::HybridGC) { 753 Res.push_back("-fobjc-gc"); 754 } else { 755 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 756 Res.push_back("-fobjc-gc-only"); 757 } 758 } 759 if (Opts.ObjCAutoRefCount) 760 Res.push_back("-fobjc-arc"); 761 if (Opts.ObjCRuntimeHasWeak) 762 Res.push_back("-fobjc-runtime-has-weak"); 763 if (!Opts.ObjCInferRelatedResultType) 764 Res.push_back("-fno-objc-infer-related-result-type"); 765 766 if (Opts.AppleKext) 767 Res.push_back("-fapple-kext"); 768 769 if (Opts.getVisibilityMode() != DefaultVisibility) { 770 Res.push_back("-fvisibility"); 771 if (Opts.getVisibilityMode() == HiddenVisibility) { 772 Res.push_back("hidden"); 773 } else { 774 assert(Opts.getVisibilityMode() == ProtectedVisibility && 775 "Invalid visibility!"); 776 Res.push_back("protected"); 777 } 778 } 779 if (Opts.InlineVisibilityHidden) 780 Res.push_back("-fvisibility-inlines-hidden"); 781 782 if (Opts.getStackProtector() != 0) 783 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 784 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 785 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 786 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 787 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 788 if (!Opts.ObjCConstantStringClass.empty()) 789 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 790 if (Opts.FakeAddressSpaceMap) 791 Res.push_back("-ffake-address-space-map"); 792 if (Opts.ParseUnknownAnytype) 793 Res.push_back("-funknown-anytype"); 794 if (Opts.DebuggerSupport) 795 Res.push_back("-fdebugger-support"); 796 if (Opts.DebuggerCastResultToId) 797 Res.push_back("-fdebugger-cast-result-to-id"); 798 if (Opts.DebuggerObjCLiteral) 799 Res.push_back("-fdebugger-objc-literal"); 800 if (Opts.DelayedTemplateParsing) 801 Res.push_back("-fdelayed-template-parsing"); 802 if (Opts.Deprecated) 803 Res.push_back("-fdeprecated-macro"); 804 if (Opts.ApplePragmaPack) 805 Res.push_back("-fapple-pragma-pack"); 806 if (!Opts.CurrentModule.empty()) 807 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 808 } 809 810 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 811 ToArgsList &Res) { 812 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 813 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 814 Opts.Macros[i].first); 815 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 816 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 817 Res.push_back("-include", Opts.Includes[i]); 818 } 819 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 820 Res.push_back("-imacros", Opts.MacroIncludes[i]); 821 if (!Opts.UsePredefines) 822 Res.push_back("-undef"); 823 if (Opts.DetailedRecord) 824 Res.push_back("-detailed-preprocessing-record"); 825 if (!Opts.ImplicitPCHInclude.empty()) 826 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 827 if (!Opts.ImplicitPTHInclude.empty()) 828 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 829 if (!Opts.TokenCache.empty()) { 830 if (Opts.ImplicitPTHInclude.empty()) 831 Res.push_back("-token-cache", Opts.TokenCache); 832 else 833 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 834 "Unsupported option combination!"); 835 } 836 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 837 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 838 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 839 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 840 Opts.RemappedFiles[i].second); 841 } 842 } 843 844 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 845 ToArgsList &Res) { 846 if (!Opts.ShowCPP && !Opts.ShowMacros) 847 llvm::report_fatal_error("Invalid option combination!"); 848 849 if (Opts.ShowCPP && Opts.ShowMacros) 850 Res.push_back("-dD"); 851 else if (!Opts.ShowCPP && Opts.ShowMacros) 852 Res.push_back("-dM"); 853 854 if (!Opts.ShowLineMarkers) 855 Res.push_back("-P"); 856 if (Opts.ShowComments) 857 Res.push_back("-C"); 858 if (Opts.ShowMacroComments) 859 Res.push_back("-CC"); 860 } 861 862 static void TargetOptsToArgs(const TargetOptions &Opts, 863 ToArgsList &Res) { 864 Res.push_back("-triple"); 865 Res.push_back(Opts.Triple); 866 if (!Opts.CPU.empty()) 867 Res.push_back("-target-cpu", Opts.CPU); 868 if (!Opts.ABI.empty()) 869 Res.push_back("-target-abi", Opts.ABI); 870 if (!Opts.LinkerVersion.empty()) 871 Res.push_back("-target-linker-version", Opts.LinkerVersion); 872 if (!Opts.CXXABI.empty()) 873 Res.push_back("-cxx-abi", Opts.CXXABI); 874 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 875 Res.push_back("-target-feature", Opts.Features[i]); 876 } 877 878 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 879 ToArgsList List(Res); 880 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 881 CodeGenOptsToArgs(getCodeGenOpts(), List); 882 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 883 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 884 FileSystemOptsToArgs(getFileSystemOpts(), List); 885 FrontendOptsToArgs(getFrontendOpts(), List); 886 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 887 LangOptsToArgs(*getLangOpts(), List); 888 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 889 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 890 TargetOptsToArgs(getTargetOpts(), List); 891 } 892 893 //===----------------------------------------------------------------------===// 894 // Deserialization (to args) 895 //===----------------------------------------------------------------------===// 896 897 using namespace clang::driver; 898 using namespace clang::driver::cc1options; 899 900 // 901 902 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 903 DiagnosticsEngine &Diags) { 904 unsigned DefaultOpt = 0; 905 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 906 DefaultOpt = 2; 907 // -Os/-Oz implies -O2 908 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 909 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 910 } 911 912 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 913 DiagnosticsEngine &Diags) { 914 using namespace cc1options; 915 bool Success = true; 916 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 917 StringRef Name = A->getValue(Args); 918 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 919 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 920 .Case(CMDFLAG, NAME##Model) 921 #include "clang/Frontend/Analyses.def" 922 .Default(NumStores); 923 if (Value == NumStores) { 924 Diags.Report(diag::err_drv_invalid_value) 925 << A->getAsString(Args) << Name; 926 Success = false; 927 } else { 928 Opts.AnalysisStoreOpt = Value; 929 } 930 } 931 932 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 933 StringRef Name = A->getValue(Args); 934 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 935 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 936 .Case(CMDFLAG, NAME##Model) 937 #include "clang/Frontend/Analyses.def" 938 .Default(NumConstraints); 939 if (Value == NumConstraints) { 940 Diags.Report(diag::err_drv_invalid_value) 941 << A->getAsString(Args) << Name; 942 Success = false; 943 } else { 944 Opts.AnalysisConstraintsOpt = Value; 945 } 946 } 947 948 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 949 StringRef Name = A->getValue(Args); 950 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 951 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 952 .Case(CMDFLAG, PD_##NAME) 953 #include "clang/Frontend/Analyses.def" 954 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 955 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 956 Diags.Report(diag::err_drv_invalid_value) 957 << A->getAsString(Args) << Name; 958 Success = false; 959 } else { 960 Opts.AnalysisDiagOpt = Value; 961 } 962 } 963 964 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 965 StringRef Name = A->getValue(Args); 966 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 967 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 968 .Case(CMDFLAG, NAME) 969 #include "clang/Frontend/Analyses.def" 970 .Default(NumPurgeModes); 971 if (Value == NumPurgeModes) { 972 Diags.Report(diag::err_drv_invalid_value) 973 << A->getAsString(Args) << Name; 974 Success = false; 975 } else { 976 Opts.AnalysisPurgeOpt = Value; 977 } 978 } 979 980 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 981 StringRef Name = A->getValue(Args); 982 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 983 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 984 .Case(CMDFLAG, NAME) 985 #include "clang/Frontend/Analyses.def" 986 .Default(NumIPAModes); 987 if (Value == NumIPAModes) { 988 Diags.Report(diag::err_drv_invalid_value) 989 << A->getAsString(Args) << Name; 990 Success = false; 991 } else { 992 Opts.IPAMode = Value; 993 } 994 } 995 996 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 997 StringRef Name = A->getValue(Args); 998 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 999 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1000 .Case(CMDFLAG, NAME) 1001 #include "clang/Frontend/Analyses.def" 1002 .Default(NumInliningModes); 1003 if (Value == NumInliningModes) { 1004 Diags.Report(diag::err_drv_invalid_value) 1005 << A->getAsString(Args) << Name; 1006 Success = false; 1007 } else { 1008 Opts.InliningMode = Value; 1009 } 1010 } 1011 1012 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1013 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1014 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1015 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1016 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1017 Opts.AnalyzeNestedBlocks = 1018 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1019 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1020 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1021 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1022 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1023 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1024 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1025 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1026 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1027 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1028 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1029 Opts.InlineMaxStackDepth = 1030 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1031 Opts.InlineMaxStackDepth, Diags); 1032 Opts.InlineMaxFunctionSize = 1033 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1034 Opts.InlineMaxFunctionSize, Diags); 1035 1036 Opts.CheckersControlList.clear(); 1037 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1038 OPT_analyzer_disable_checker), 1039 ie = Args.filtered_end(); it != ie; ++it) { 1040 const Arg *A = *it; 1041 A->claim(); 1042 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1043 // We can have a list of comma separated checker names, e.g: 1044 // '-analyzer-checker=cocoa,unix' 1045 StringRef checkerList = A->getValue(Args); 1046 SmallVector<StringRef, 4> checkers; 1047 checkerList.split(checkers, ","); 1048 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1049 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1050 } 1051 1052 return Success; 1053 } 1054 1055 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1056 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1057 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1058 return true; 1059 } 1060 1061 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1062 DiagnosticsEngine &Diags) { 1063 using namespace cc1options; 1064 bool Success = true; 1065 1066 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1067 if (OptLevel > 3) { 1068 Diags.Report(diag::err_drv_invalid_value) 1069 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1070 OptLevel = 3; 1071 Success = false; 1072 } 1073 Opts.OptimizationLevel = OptLevel; 1074 1075 // We must always run at least the always inlining pass. 1076 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1077 : CodeGenOptions::OnlyAlwaysInlining; 1078 // -fno-inline-functions overrides OptimizationLevel > 1. 1079 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1080 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1081 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1082 1083 Opts.DebugInfo = Args.hasArg(OPT_g); 1084 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1085 || Args.hasArg(OPT_flimit_debug_info); 1086 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1087 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1088 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1089 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1090 OPT_fuse_register_sized_bitfield_access); 1091 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1092 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1093 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1094 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1095 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1096 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1097 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1098 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1099 Args.hasArg(OPT_ffreestanding)); 1100 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1101 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1102 1103 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1104 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1105 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1106 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1107 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1108 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1109 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1110 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1111 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1112 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1113 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1114 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1115 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1116 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1117 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1118 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1119 Args.hasArg(OPT_cl_finite_math_only)|| 1120 Args.hasArg(OPT_cl_fast_relaxed_math)); 1121 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1122 Args.hasArg(OPT_cl_finite_math_only)|| 1123 Args.hasArg(OPT_cl_fast_relaxed_math)); 1124 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1125 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1126 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1127 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1128 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1129 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1130 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1131 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1132 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1133 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1134 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1135 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1136 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1137 Args.hasArg(OPT_cl_fast_relaxed_math); 1138 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1139 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1140 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1141 1142 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1143 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1144 1145 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1146 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1147 1148 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1149 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1150 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1151 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1152 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1153 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1154 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1155 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1156 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1157 StringRef Val = A->getValue(Args); 1158 Val.getAsInteger(10, Opts.StackAlignment); 1159 } 1160 1161 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1162 StringRef Name = A->getValue(Args); 1163 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1164 .Case("legacy", CodeGenOptions::Legacy) 1165 .Case("non-legacy", CodeGenOptions::NonLegacy) 1166 .Case("mixed", CodeGenOptions::Mixed) 1167 .Default(~0U); 1168 if (Method == ~0U) { 1169 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1170 Success = false; 1171 } else { 1172 Opts.ObjCDispatchMethod = Method; 1173 } 1174 } 1175 1176 return Success; 1177 } 1178 1179 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1180 ArgList &Args) { 1181 using namespace cc1options; 1182 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1183 Opts.Targets = Args.getAllArgValues(OPT_MT); 1184 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1185 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1186 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1187 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1188 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1189 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1190 } 1191 1192 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1193 DiagnosticsEngine *Diags) { 1194 using namespace cc1options; 1195 bool Success = true; 1196 1197 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1198 Opts.DiagnosticSerializationFile = 1199 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1200 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1201 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1202 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1203 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1204 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1205 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1206 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1207 OPT_fno_show_column, 1208 /*Default=*/true); 1209 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1210 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1211 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1212 1213 // Default behavior is to not to show note include stacks. 1214 Opts.ShowNoteIncludeStack = false; 1215 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1216 OPT_fno_diagnostics_show_note_include_stack)) 1217 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1218 Opts.ShowNoteIncludeStack = true; 1219 1220 StringRef ShowOverloads = 1221 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1222 if (ShowOverloads == "best") 1223 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1224 else if (ShowOverloads == "all") 1225 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1226 else { 1227 Success = false; 1228 if (Diags) 1229 Diags->Report(diag::err_drv_invalid_value) 1230 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1231 << ShowOverloads; 1232 } 1233 1234 StringRef ShowCategory = 1235 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1236 if (ShowCategory == "none") 1237 Opts.ShowCategories = 0; 1238 else if (ShowCategory == "id") 1239 Opts.ShowCategories = 1; 1240 else if (ShowCategory == "name") 1241 Opts.ShowCategories = 2; 1242 else { 1243 Success = false; 1244 if (Diags) 1245 Diags->Report(diag::err_drv_invalid_value) 1246 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1247 << ShowCategory; 1248 } 1249 1250 StringRef Format = 1251 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1252 if (Format == "clang") 1253 Opts.Format = DiagnosticOptions::Clang; 1254 else if (Format == "msvc") 1255 Opts.Format = DiagnosticOptions::Msvc; 1256 else if (Format == "vi") 1257 Opts.Format = DiagnosticOptions::Vi; 1258 else { 1259 Success = false; 1260 if (Diags) 1261 Diags->Report(diag::err_drv_invalid_value) 1262 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1263 << Format; 1264 } 1265 1266 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1267 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1268 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1269 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1270 Opts.MacroBacktraceLimit 1271 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1272 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1273 Opts.TemplateBacktraceLimit 1274 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1275 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1276 Diags); 1277 Opts.ConstexprBacktraceLimit 1278 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1279 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1280 Diags); 1281 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1282 DiagnosticOptions::DefaultTabStop, Diags); 1283 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1284 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1285 if (Diags) 1286 Diags->Report(diag::warn_ignoring_ftabstop_value) 1287 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1288 } 1289 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1290 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1291 1292 for (arg_iterator it = Args.filtered_begin(OPT_W), 1293 ie = Args.filtered_end(); it != ie; ++it) { 1294 StringRef V = (*it)->getValue(Args); 1295 // "-Wl," and such are not warnings options. 1296 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1297 continue; 1298 1299 Opts.Warnings.push_back(V); 1300 } 1301 1302 return Success; 1303 } 1304 1305 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1306 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1307 } 1308 1309 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1310 DiagnosticsEngine &Diags) { 1311 using namespace cc1options; 1312 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1313 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1314 switch (A->getOption().getID()) { 1315 default: 1316 llvm_unreachable("Invalid option in group!"); 1317 case OPT_ast_dump: 1318 Opts.ProgramAction = frontend::ASTDump; break; 1319 case OPT_ast_dump_xml: 1320 Opts.ProgramAction = frontend::ASTDumpXML; break; 1321 case OPT_ast_print: 1322 Opts.ProgramAction = frontend::ASTPrint; break; 1323 case OPT_ast_view: 1324 Opts.ProgramAction = frontend::ASTView; break; 1325 case OPT_dump_raw_tokens: 1326 Opts.ProgramAction = frontend::DumpRawTokens; break; 1327 case OPT_dump_tokens: 1328 Opts.ProgramAction = frontend::DumpTokens; break; 1329 case OPT_S: 1330 Opts.ProgramAction = frontend::EmitAssembly; break; 1331 case OPT_emit_llvm_bc: 1332 Opts.ProgramAction = frontend::EmitBC; break; 1333 case OPT_emit_html: 1334 Opts.ProgramAction = frontend::EmitHTML; break; 1335 case OPT_emit_llvm: 1336 Opts.ProgramAction = frontend::EmitLLVM; break; 1337 case OPT_emit_llvm_only: 1338 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1339 case OPT_emit_codegen_only: 1340 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1341 case OPT_emit_obj: 1342 Opts.ProgramAction = frontend::EmitObj; break; 1343 case OPT_fixit_EQ: 1344 Opts.FixItSuffix = A->getValue(Args); 1345 // fall-through! 1346 case OPT_fixit: 1347 Opts.ProgramAction = frontend::FixIt; break; 1348 case OPT_emit_module: 1349 Opts.ProgramAction = frontend::GenerateModule; break; 1350 case OPT_emit_pch: 1351 Opts.ProgramAction = frontend::GeneratePCH; break; 1352 case OPT_emit_pth: 1353 Opts.ProgramAction = frontend::GeneratePTH; break; 1354 case OPT_init_only: 1355 Opts.ProgramAction = frontend::InitOnly; break; 1356 case OPT_fsyntax_only: 1357 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1358 case OPT_print_decl_contexts: 1359 Opts.ProgramAction = frontend::PrintDeclContext; break; 1360 case OPT_print_preamble: 1361 Opts.ProgramAction = frontend::PrintPreamble; break; 1362 case OPT_E: 1363 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1364 case OPT_pubnames_dump: 1365 Opts.ProgramAction = frontend::PubnamesDump; break; 1366 case OPT_rewrite_macros: 1367 Opts.ProgramAction = frontend::RewriteMacros; break; 1368 case OPT_rewrite_objc: 1369 Opts.ProgramAction = frontend::RewriteObjC; break; 1370 case OPT_rewrite_test: 1371 Opts.ProgramAction = frontend::RewriteTest; break; 1372 case OPT_analyze: 1373 Opts.ProgramAction = frontend::RunAnalysis; break; 1374 case OPT_migrate: 1375 Opts.ProgramAction = frontend::MigrateSource; break; 1376 case OPT_Eonly: 1377 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1378 } 1379 } 1380 1381 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1382 Opts.Plugins.push_back(A->getValue(Args,0)); 1383 Opts.ProgramAction = frontend::PluginAction; 1384 Opts.ActionName = A->getValue(Args); 1385 1386 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1387 end = Args.filtered_end(); it != end; ++it) { 1388 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1389 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1390 } 1391 } 1392 1393 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1394 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1395 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1396 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1397 end = Args.filtered_end(); it != end; ++it) { 1398 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1399 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1400 } 1401 } 1402 1403 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1404 Opts.CodeCompletionAt = 1405 ParsedSourceLocation::FromString(A->getValue(Args)); 1406 if (Opts.CodeCompletionAt.FileName.empty()) 1407 Diags.Report(diag::err_drv_invalid_value) 1408 << A->getAsString(Args) << A->getValue(Args); 1409 } 1410 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1411 1412 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1413 Opts.Plugins = Args.getAllArgValues(OPT_load); 1414 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1415 Opts.ShowHelp = Args.hasArg(OPT_help); 1416 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1417 Opts.ShowCodePatternsInCodeCompletion 1418 = Args.hasArg(OPT_code_completion_patterns); 1419 Opts.ShowGlobalSymbolsInCodeCompletion 1420 = !Args.hasArg(OPT_no_code_completion_globals); 1421 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1422 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1423 Opts.ShowVersion = Args.hasArg(OPT_version); 1424 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1425 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1426 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1427 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1428 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1429 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1430 Opts.OverrideRecordLayoutsFile 1431 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1432 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1433 OPT_arcmt_modify, 1434 OPT_arcmt_migrate)) { 1435 switch (A->getOption().getID()) { 1436 default: 1437 llvm_unreachable("missed a case"); 1438 case OPT_arcmt_check: 1439 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1440 break; 1441 case OPT_arcmt_modify: 1442 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1443 break; 1444 case OPT_arcmt_migrate: 1445 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1446 break; 1447 } 1448 } 1449 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1450 Opts.ARCMTMigrateReportOut 1451 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1452 Opts.ARCMTMigrateEmitARCErrors 1453 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1454 1455 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1456 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1457 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1458 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1459 1460 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1461 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1462 Diags.Report(diag::err_drv_argument_not_allowed_with) 1463 << "ARC migration" << "ObjC migration"; 1464 } 1465 1466 InputKind DashX = IK_None; 1467 if (const Arg *A = Args.getLastArg(OPT_x)) { 1468 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1469 .Case("c", IK_C) 1470 .Case("cl", IK_OpenCL) 1471 .Case("cuda", IK_CUDA) 1472 .Case("c++", IK_CXX) 1473 .Case("objective-c", IK_ObjC) 1474 .Case("objective-c++", IK_ObjCXX) 1475 .Case("cpp-output", IK_PreprocessedC) 1476 .Case("assembler-with-cpp", IK_Asm) 1477 .Case("c++-cpp-output", IK_PreprocessedCXX) 1478 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1479 .Case("objc-cpp-output", IK_PreprocessedObjC) 1480 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1481 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1482 .Case("c-header", IK_C) 1483 .Case("cl-header", IK_OpenCL) 1484 .Case("objective-c-header", IK_ObjC) 1485 .Case("c++-header", IK_CXX) 1486 .Case("objective-c++-header", IK_ObjCXX) 1487 .Case("ast", IK_AST) 1488 .Case("ir", IK_LLVM_IR) 1489 .Default(IK_None); 1490 if (DashX == IK_None) 1491 Diags.Report(diag::err_drv_invalid_value) 1492 << A->getAsString(Args) << A->getValue(Args); 1493 } 1494 1495 // '-' is the default input if none is given. 1496 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1497 Opts.Inputs.clear(); 1498 if (Inputs.empty()) 1499 Inputs.push_back("-"); 1500 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1501 InputKind IK = DashX; 1502 if (IK == IK_None) { 1503 IK = FrontendOptions::getInputKindForExtension( 1504 StringRef(Inputs[i]).rsplit('.').second); 1505 // FIXME: Remove this hack. 1506 if (i == 0) 1507 DashX = IK; 1508 } 1509 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1510 } 1511 1512 return DashX; 1513 } 1514 1515 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1516 void *MainAddr) { 1517 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1518 1519 if (!P.isEmpty()) { 1520 P.eraseComponent(); // Remove /clang from foo/bin/clang 1521 P.eraseComponent(); // Remove /bin from foo/bin 1522 1523 // Get foo/lib/clang/<version>/include 1524 P.appendComponent("lib"); 1525 P.appendComponent("clang"); 1526 P.appendComponent(CLANG_VERSION_STRING); 1527 } 1528 1529 return P.str(); 1530 } 1531 1532 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1533 using namespace cc1options; 1534 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1535 Opts.Verbose = Args.hasArg(OPT_v); 1536 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1537 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1538 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1539 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1540 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1541 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1542 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1543 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1544 1545 // Add -I..., -F..., and -index-header-map options in order. 1546 bool IsIndexHeaderMap = false; 1547 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1548 OPT_index_header_map), 1549 ie = Args.filtered_end(); it != ie; ++it) { 1550 if ((*it)->getOption().matches(OPT_index_header_map)) { 1551 // -index-header-map applies to the next -I or -F. 1552 IsIndexHeaderMap = true; 1553 continue; 1554 } 1555 1556 frontend::IncludeDirGroup Group 1557 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1558 1559 Opts.AddPath((*it)->getValue(Args), Group, true, 1560 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1561 IsIndexHeaderMap = false; 1562 } 1563 1564 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1565 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1566 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1567 OPT_iwithprefixbefore), 1568 ie = Args.filtered_end(); it != ie; ++it) { 1569 const Arg *A = *it; 1570 if (A->getOption().matches(OPT_iprefix)) 1571 Prefix = A->getValue(Args); 1572 else if (A->getOption().matches(OPT_iwithprefix)) 1573 Opts.AddPath(Prefix.str() + A->getValue(Args), 1574 frontend::System, false, false, false); 1575 else 1576 Opts.AddPath(Prefix.str() + A->getValue(Args), 1577 frontend::Angled, false, false, false); 1578 } 1579 1580 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1581 ie = Args.filtered_end(); it != ie; ++it) 1582 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1583 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1584 ie = Args.filtered_end(); it != ie; ++it) 1585 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1586 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1587 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1588 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1589 !(*it)->getOption().matches(OPT_iwithsysroot)); 1590 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1591 ie = Args.filtered_end(); it != ie; ++it) 1592 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1593 true); 1594 1595 // Add the paths for the various language specific isystem flags. 1596 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1597 ie = Args.filtered_end(); it != ie; ++it) 1598 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1599 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1600 ie = Args.filtered_end(); it != ie; ++it) 1601 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1602 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1603 ie = Args.filtered_end(); it != ie; ++it) 1604 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1605 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1606 ie = Args.filtered_end(); it != ie; ++it) 1607 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1608 true); 1609 1610 // Add the internal paths from a driver that detects standard include paths. 1611 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1612 OPT_internal_externc_isystem), 1613 E = Args.filtered_end(); 1614 I != E; ++I) 1615 Opts.AddPath((*I)->getValue(Args), frontend::System, 1616 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1617 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1618 } 1619 1620 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1621 LangStandard::Kind LangStd) { 1622 // Set some properties which depend solely on the input kind; it would be nice 1623 // to move these to the language standard, and have the driver resolve the 1624 // input kind + language standard. 1625 if (IK == IK_Asm) { 1626 Opts.AsmPreprocessor = 1; 1627 } else if (IK == IK_ObjC || 1628 IK == IK_ObjCXX || 1629 IK == IK_PreprocessedObjC || 1630 IK == IK_PreprocessedObjCXX) { 1631 Opts.ObjC1 = Opts.ObjC2 = 1; 1632 } 1633 1634 if (LangStd == LangStandard::lang_unspecified) { 1635 // Based on the base language, pick one. 1636 switch (IK) { 1637 case IK_None: 1638 case IK_AST: 1639 case IK_LLVM_IR: 1640 llvm_unreachable("Invalid input kind!"); 1641 case IK_OpenCL: 1642 LangStd = LangStandard::lang_opencl; 1643 break; 1644 case IK_CUDA: 1645 LangStd = LangStandard::lang_cuda; 1646 break; 1647 case IK_Asm: 1648 case IK_C: 1649 case IK_PreprocessedC: 1650 case IK_ObjC: 1651 case IK_PreprocessedObjC: 1652 LangStd = LangStandard::lang_gnu99; 1653 break; 1654 case IK_CXX: 1655 case IK_PreprocessedCXX: 1656 case IK_ObjCXX: 1657 case IK_PreprocessedObjCXX: 1658 LangStd = LangStandard::lang_gnucxx98; 1659 break; 1660 } 1661 } 1662 1663 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1664 Opts.BCPLComment = Std.hasBCPLComments(); 1665 Opts.C99 = Std.isC99(); 1666 Opts.C11 = Std.isC11(); 1667 Opts.CPlusPlus = Std.isCPlusPlus(); 1668 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1669 Opts.Digraphs = Std.hasDigraphs(); 1670 Opts.GNUMode = Std.isGNUMode(); 1671 Opts.GNUInline = !Std.isC99(); 1672 Opts.HexFloats = Std.hasHexFloats(); 1673 Opts.ImplicitInt = Std.hasImplicitInt(); 1674 1675 // OpenCL has some additional defaults. 1676 if (LangStd == LangStandard::lang_opencl) { 1677 Opts.OpenCL = 1; 1678 Opts.AltiVec = 0; 1679 Opts.CXXOperatorNames = 1; 1680 Opts.LaxVectorConversions = 0; 1681 Opts.DefaultFPContract = 1; 1682 } 1683 1684 if (LangStd == LangStandard::lang_cuda) 1685 Opts.CUDA = 1; 1686 1687 // OpenCL and C++ both have bool, true, false keywords. 1688 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1689 1690 Opts.GNUKeywords = Opts.GNUMode; 1691 Opts.CXXOperatorNames = Opts.CPlusPlus; 1692 1693 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1694 // is specified, or -std is set to a conforming mode. 1695 Opts.Trigraphs = !Opts.GNUMode; 1696 1697 Opts.DollarIdents = !Opts.AsmPreprocessor; 1698 } 1699 1700 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1701 DiagnosticsEngine &Diags) { 1702 // FIXME: Cleanup per-file based stuff. 1703 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1704 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1705 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1706 #define LANGSTANDARD(id, name, desc, features) \ 1707 .Case(name, LangStandard::lang_##id) 1708 #include "clang/Frontend/LangStandards.def" 1709 .Default(LangStandard::lang_unspecified); 1710 if (LangStd == LangStandard::lang_unspecified) 1711 Diags.Report(diag::err_drv_invalid_value) 1712 << A->getAsString(Args) << A->getValue(Args); 1713 else { 1714 // Valid standard, check to make sure language and standard are compatable. 1715 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1716 switch (IK) { 1717 case IK_C: 1718 case IK_ObjC: 1719 case IK_PreprocessedC: 1720 case IK_PreprocessedObjC: 1721 if (!(Std.isC89() || Std.isC99())) 1722 Diags.Report(diag::err_drv_argument_not_allowed_with) 1723 << A->getAsString(Args) << "C/ObjC"; 1724 break; 1725 case IK_CXX: 1726 case IK_ObjCXX: 1727 case IK_PreprocessedCXX: 1728 case IK_PreprocessedObjCXX: 1729 if (!Std.isCPlusPlus()) 1730 Diags.Report(diag::err_drv_argument_not_allowed_with) 1731 << A->getAsString(Args) << "C++/ObjC++"; 1732 break; 1733 case IK_OpenCL: 1734 if (!Std.isC99()) 1735 Diags.Report(diag::err_drv_argument_not_allowed_with) 1736 << A->getAsString(Args) << "OpenCL"; 1737 break; 1738 case IK_CUDA: 1739 if (!Std.isCPlusPlus()) 1740 Diags.Report(diag::err_drv_argument_not_allowed_with) 1741 << A->getAsString(Args) << "CUDA"; 1742 break; 1743 default: 1744 break; 1745 } 1746 } 1747 } 1748 1749 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1750 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1751 Diags.Report(diag::err_drv_invalid_value) 1752 << A->getAsString(Args) << A->getValue(Args); 1753 } 1754 } 1755 1756 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1757 1758 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1759 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1760 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1761 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1762 // name, as it doesn't seem a useful distinction. 1763 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1764 Opts.GNUKeywords); 1765 1766 if (Args.hasArg(OPT_fno_operator_names)) 1767 Opts.CXXOperatorNames = 0; 1768 1769 if (Opts.ObjC1) { 1770 if (Args.hasArg(OPT_fobjc_gc_only)) 1771 Opts.setGC(LangOptions::GCOnly); 1772 else if (Args.hasArg(OPT_fobjc_gc)) 1773 Opts.setGC(LangOptions::HybridGC); 1774 else if (Args.hasArg(OPT_fobjc_arc)) { 1775 Opts.ObjCAutoRefCount = 1; 1776 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1777 Diags.Report(diag::err_arc_nonfragile_abi); 1778 } 1779 1780 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1781 Opts.ObjCRuntimeHasWeak = 1; 1782 1783 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1784 Opts.ObjCInferRelatedResultType = 0; 1785 } 1786 1787 if (Args.hasArg(OPT_fgnu89_inline)) 1788 Opts.GNUInline = 1; 1789 1790 if (Args.hasArg(OPT_fapple_kext)) { 1791 if (!Opts.CPlusPlus) 1792 Diags.Report(diag::warn_c_kext); 1793 else 1794 Opts.AppleKext = 1; 1795 } 1796 1797 if (Args.hasArg(OPT_print_ivar_layout)) 1798 Opts.ObjCGCBitmapPrint = 1; 1799 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1800 Opts.NoConstantCFStrings = 1; 1801 1802 if (Args.hasArg(OPT_faltivec)) 1803 Opts.AltiVec = 1; 1804 1805 if (Args.hasArg(OPT_pthread)) 1806 Opts.POSIXThreads = 1; 1807 1808 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1809 Opts.DelayedTemplateParsing = 1; 1810 1811 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1812 if (Vis == "default") 1813 Opts.setVisibilityMode(DefaultVisibility); 1814 else if (Vis == "hidden") 1815 Opts.setVisibilityMode(HiddenVisibility); 1816 else if (Vis == "protected") 1817 // FIXME: diagnose if target does not support protected visibility 1818 Opts.setVisibilityMode(ProtectedVisibility); 1819 else 1820 Diags.Report(diag::err_drv_invalid_value) 1821 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1822 1823 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1824 Opts.InlineVisibilityHidden = 1; 1825 1826 if (Args.hasArg(OPT_ftrapv)) { 1827 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1828 // Set the handler, if one is specified. 1829 Opts.OverflowHandler = 1830 Args.getLastArgValue(OPT_ftrapv_handler); 1831 } 1832 else if (Args.hasArg(OPT_fwrapv)) 1833 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1834 1835 if (Args.hasArg(OPT_trigraphs)) 1836 Opts.Trigraphs = 1; 1837 1838 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1839 OPT_fno_dollars_in_identifiers, 1840 Opts.DollarIdents); 1841 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1842 Opts.MicrosoftExt 1843 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1844 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1845 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1846 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1847 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1848 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1849 Opts.ConstStrings); 1850 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1851 Opts.LaxVectorConversions = 0; 1852 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1853 Opts.ThreadsafeStatics = 0; 1854 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1855 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1856 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1857 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1858 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1859 1860 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1861 Opts.Blocks = Args.hasArg(OPT_fblocks); 1862 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1863 Opts.Modules = Args.hasArg(OPT_fmodules); 1864 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1865 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1866 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1867 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1868 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1869 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1870 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1871 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1872 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1873 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1874 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1875 Diags); 1876 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1877 Diags); 1878 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1879 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1880 0, Diags); 1881 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1882 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1883 Opts.ObjCConstantStringClass = 1884 Args.getLastArgValue(OPT_fconstant_string_class); 1885 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1886 if (Opts.ObjCNonFragileABI) 1887 Opts.ObjCNonFragileABI2 = true; 1888 Opts.ObjCDefaultSynthProperties = 1889 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1890 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1891 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1892 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1893 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1894 Opts.Static = Args.hasArg(OPT_static_define); 1895 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1896 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1897 || Args.hasArg(OPT_fdump_record_layouts); 1898 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1899 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1900 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1901 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1902 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1903 Opts.MRTD = Args.hasArg(OPT_mrtd); 1904 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1905 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1906 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1907 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1908 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1909 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1910 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1911 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1912 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1913 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1914 1915 // Record whether the __DEPRECATED define was requested. 1916 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1917 OPT_fno_deprecated_macro, 1918 Opts.Deprecated); 1919 1920 // FIXME: Eliminate this dependency. 1921 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1922 Opts.Optimize = Opt != 0; 1923 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1924 1925 // This is the __NO_INLINE__ define, which just depends on things like the 1926 // optimization level and -fno-inline, not actually whether the backend has 1927 // inlining enabled. 1928 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1929 1930 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1931 1932 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1933 switch (SSP) { 1934 default: 1935 Diags.Report(diag::err_drv_invalid_value) 1936 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1937 break; 1938 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1939 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1940 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1941 } 1942 } 1943 1944 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1945 FileManager &FileMgr, 1946 DiagnosticsEngine &Diags) { 1947 using namespace cc1options; 1948 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1949 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1950 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1951 Opts.TokenCache = A->getValue(Args); 1952 else 1953 Opts.TokenCache = Opts.ImplicitPTHInclude; 1954 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1955 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1956 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1957 1958 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1959 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1960 ie = Args.filtered_end(); it != ie; ++it) { 1961 const Arg *A = *it; 1962 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1963 } 1964 1965 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1966 StringRef Value(A->getValue(Args)); 1967 size_t Comma = Value.find(','); 1968 unsigned Bytes = 0; 1969 unsigned EndOfLine = 0; 1970 1971 if (Comma == StringRef::npos || 1972 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1973 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1974 Diags.Report(diag::err_drv_preamble_format); 1975 else { 1976 Opts.PrecompiledPreambleBytes.first = Bytes; 1977 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1978 } 1979 } 1980 1981 // Add macros from the command line. 1982 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1983 ie = Args.filtered_end(); it != ie; ++it) { 1984 if ((*it)->getOption().matches(OPT_D)) 1985 Opts.addMacroDef((*it)->getValue(Args)); 1986 else 1987 Opts.addMacroUndef((*it)->getValue(Args)); 1988 } 1989 1990 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1991 1992 // Add the ordered list of -includes. 1993 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1994 OPT_include_pth), 1995 ie = Args.filtered_end(); it != ie; ++it) { 1996 const Arg *A = *it; 1997 // PCH is handled specially, we need to extra the original include path. 1998 if (A->getOption().matches(OPT_include_pch)) { 1999 std::string OriginalFile = 2000 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2001 if (OriginalFile.empty()) 2002 continue; 2003 2004 Opts.Includes.push_back(OriginalFile); 2005 } else 2006 Opts.Includes.push_back(A->getValue(Args)); 2007 } 2008 2009 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2010 ie = Args.filtered_end(); it != ie; ++it) { 2011 const Arg *A = *it; 2012 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2013 } 2014 2015 // Include 'altivec.h' if -faltivec option present 2016 if (Args.hasArg(OPT_faltivec)) 2017 Opts.Includes.push_back("altivec.h"); 2018 2019 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2020 ie = Args.filtered_end(); it != ie; ++it) { 2021 const Arg *A = *it; 2022 std::pair<StringRef,StringRef> Split = 2023 StringRef(A->getValue(Args)).split(';'); 2024 2025 if (Split.second.empty()) { 2026 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2027 continue; 2028 } 2029 2030 Opts.addRemappedFile(Split.first, Split.second); 2031 } 2032 2033 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2034 StringRef Name = A->getValue(Args); 2035 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2036 .Case("libc++", ARCXX_libcxx) 2037 .Case("libstdc++", ARCXX_libstdcxx) 2038 .Case("none", ARCXX_nolib) 2039 .Default(~0U); 2040 if (Library == ~0U) 2041 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2042 else 2043 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2044 } 2045 } 2046 2047 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2048 ArgList &Args) { 2049 using namespace cc1options; 2050 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2051 Opts.ShowComments = Args.hasArg(OPT_C); 2052 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2053 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2054 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2055 } 2056 2057 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2058 using namespace cc1options; 2059 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2060 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2061 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2062 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2063 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2064 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2065 2066 // Use the default target triple if unspecified. 2067 if (Opts.Triple.empty()) 2068 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2069 } 2070 2071 // 2072 2073 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2074 const char *const *ArgBegin, 2075 const char *const *ArgEnd, 2076 DiagnosticsEngine &Diags) { 2077 bool Success = true; 2078 2079 // Parse the arguments. 2080 OwningPtr<OptTable> Opts(createCC1OptTable()); 2081 unsigned MissingArgIndex, MissingArgCount; 2082 OwningPtr<InputArgList> Args( 2083 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2084 2085 // Check for missing argument error. 2086 if (MissingArgCount) { 2087 Diags.Report(diag::err_drv_missing_argument) 2088 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2089 Success = false; 2090 } 2091 2092 // Issue errors on unknown arguments. 2093 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2094 ie = Args->filtered_end(); it != ie; ++it) { 2095 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2096 Success = false; 2097 } 2098 2099 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2100 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2101 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2102 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2103 && Success; 2104 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2105 // FIXME: We shouldn't have to pass the DashX option around here 2106 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2107 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2108 && Success; 2109 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2110 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2111 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2112 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2113 Res.getLangOpts()->ObjCExceptions = 1; 2114 } 2115 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2116 // PCH file and find the original header name. Remove the need to do that in 2117 // ParsePreprocessorArgs and remove the FileManager 2118 // parameters from the function and the "FileManager.h" #include. 2119 FileManager FileMgr(Res.getFileSystemOpts()); 2120 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2121 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2122 ParseTargetArgs(Res.getTargetOpts(), *Args); 2123 2124 return Success; 2125 } 2126 2127 namespace { 2128 2129 class ModuleSignature { 2130 llvm::SmallVector<uint64_t, 16> Data; 2131 unsigned CurBit; 2132 uint64_t CurValue; 2133 2134 public: 2135 ModuleSignature() : CurBit(0), CurValue(0) { } 2136 2137 void add(uint64_t Value, unsigned Bits); 2138 void add(StringRef Value); 2139 void flush(); 2140 2141 llvm::APInt getAsInteger() const; 2142 }; 2143 } 2144 2145 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2146 CurValue |= Value << CurBit; 2147 if (CurBit + NumBits < 64) { 2148 CurBit += NumBits; 2149 return; 2150 } 2151 2152 // Add the current word. 2153 Data.push_back(CurValue); 2154 2155 if (CurBit) 2156 CurValue = Value >> (64-CurBit); 2157 else 2158 CurValue = 0; 2159 CurBit = (CurBit+NumBits) & 63; 2160 } 2161 2162 void ModuleSignature::flush() { 2163 if (CurBit == 0) 2164 return; 2165 2166 Data.push_back(CurValue); 2167 CurBit = 0; 2168 CurValue = 0; 2169 } 2170 2171 void ModuleSignature::add(StringRef Value) { 2172 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2173 add(*I, 8); 2174 } 2175 2176 llvm::APInt ModuleSignature::getAsInteger() const { 2177 return llvm::APInt(Data.size() * 64, Data); 2178 } 2179 2180 std::string CompilerInvocation::getModuleHash() const { 2181 ModuleSignature Signature; 2182 2183 // Start the signature with the compiler version. 2184 // FIXME: The full version string can be quite long. Omit it from the 2185 // module hash for now to avoid failures where the path name becomes too 2186 // long. An MD5 or similar checksum would work well here. 2187 // Signature.add(getClangFullRepositoryVersion()); 2188 2189 // Extend the signature with the language options 2190 #define LANGOPT(Name, Bits, Default, Description) \ 2191 Signature.add(LangOpts->Name, Bits); 2192 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2193 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2194 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2195 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2196 #include "clang/Basic/LangOptions.def" 2197 2198 // Extend the signature with the target triple 2199 llvm::Triple T(TargetOpts.Triple); 2200 Signature.add((unsigned)T.getArch(), 5); 2201 Signature.add((unsigned)T.getVendor(), 4); 2202 Signature.add((unsigned)T.getOS(), 5); 2203 Signature.add((unsigned)T.getEnvironment(), 4); 2204 2205 // Extend the signature with preprocessor options. 2206 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2207 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2208 2209 // Hash the preprocessor defines. 2210 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2211 std::vector<StringRef> MacroDefs; 2212 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2213 I = getPreprocessorOpts().Macros.begin(), 2214 IEnd = getPreprocessorOpts().Macros.end(); 2215 I != IEnd; ++I) { 2216 if (!I->second) 2217 MacroDefs.push_back(I->first); 2218 } 2219 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2220 2221 unsigned PPHashResult = 0; 2222 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2223 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2224 Signature.add(PPHashResult, 32); 2225 2226 // We've generated the signature. Treat it as one large APInt that we'll 2227 // encode in base-36 and return. 2228 Signature.flush(); 2229 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2230 } 2231