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/Driver/Arg.h" 14 #include "clang/Driver/ArgList.h" 15 #include "clang/Driver/CC1Options.h" 16 #include "clang/Driver/DriverDiagnostic.h" 17 #include "clang/Driver/OptTable.h" 18 #include "clang/Driver/Option.h" 19 #include "clang/Frontend/CompilerInvocation.h" 20 #include "clang/Frontend/LangStandard.h" 21 #include "clang/Frontend/PCHReader.h" 22 #include "llvm/ADT/OwningPtr.h" 23 #include "llvm/ADT/SmallVector.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/ADT/StringSwitch.h" 26 #include "llvm/Support/ErrorHandling.h" 27 #include "llvm/System/Host.h" 28 #include "llvm/System/Path.h" 29 using namespace clang; 30 31 static const char *getAnalysisName(Analyses Kind) { 32 switch (Kind) { 33 default: 34 llvm_unreachable("Unknown analysis kind!"); 35 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36 case NAME: return "-" CMDFLAG; 37 #include "clang/Frontend/Analyses.def" 38 } 39 } 40 41 static const char *getAnalysisStoreName(AnalysisStores Kind) { 42 switch (Kind) { 43 default: 44 llvm_unreachable("Unknown analysis store!"); 45 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46 case NAME##Model: return CMDFLAG; 47 #include "clang/Frontend/Analyses.def" 48 } 49 } 50 51 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis constraints!"); 55 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57 #include "clang/Frontend/Analyses.def" 58 } 59 } 60 61 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis client!"); 65 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67 #include "clang/Frontend/Analyses.def" 68 } 69 } 70 71 //===----------------------------------------------------------------------===// 72 // Serialization (to args) 73 //===----------------------------------------------------------------------===// 74 75 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115 } 116 117 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OmitLeafFramePointer) 136 Res.push_back("-momit-leaf-frame-pointer"); 137 if (Opts.OptimizeSize) { 138 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 139 Res.push_back("-Os"); 140 } else if (Opts.OptimizationLevel != 0) 141 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 142 if (!Opts.MainFileName.empty()) { 143 Res.push_back("-main-file-name"); 144 Res.push_back(Opts.MainFileName); 145 } 146 // SimplifyLibCalls is only derived. 147 // TimePasses is only derived. 148 // UnitAtATime is unused. 149 // UnrollLoops is only derived. 150 // Inlining is only derived. 151 152 if (Opts.DataSections) 153 Res.push_back("-fdata-sections"); 154 if (Opts.FunctionSections) 155 Res.push_back("-ffunction-sections"); 156 if (Opts.AsmVerbose) 157 Res.push_back("-masm-verbose"); 158 if (!Opts.CodeModel.empty()) { 159 Res.push_back("-mcode-model"); 160 Res.push_back(Opts.CodeModel); 161 } 162 if (!Opts.CXAAtExit) 163 Res.push_back("-fno-use-cxa-atexit"); 164 if (Opts.CXXCtorDtorAliases) 165 Res.push_back("-mconstructor-aliases"); 166 if (!Opts.DebugPass.empty()) { 167 Res.push_back("-mdebug-pass"); 168 Res.push_back(Opts.DebugPass); 169 } 170 if (Opts.DisableFPElim) 171 Res.push_back("-mdisable-fp-elim"); 172 if (!Opts.FloatABI.empty()) { 173 Res.push_back("-mfloat-abi"); 174 Res.push_back(Opts.FloatABI); 175 } 176 if (!Opts.LimitFloatPrecision.empty()) { 177 Res.push_back("-mlimit-float-precision"); 178 Res.push_back(Opts.LimitFloatPrecision); 179 } 180 if (Opts.NoZeroInitializedInBSS) 181 Res.push_back("-mno-zero-initialized-bss"); 182 switch (Opts.getObjCDispatchMethod()) { 183 case CodeGenOptions::Legacy: 184 break; 185 case CodeGenOptions::Mixed: 186 Res.push_back("-fobjc-dispatch-method=mixed"); 187 break; 188 case CodeGenOptions::NonLegacy: 189 Res.push_back("-fobjc-dispatch-method=non-legacy"); 190 break; 191 } 192 if (Opts.RelaxAll) 193 Res.push_back("-mrelax-all"); 194 if (Opts.SoftFloat) 195 Res.push_back("-msoft-float"); 196 if (Opts.UnwindTables) 197 Res.push_back("-munwind-tables"); 198 if (Opts.RelocationModel != "pic") { 199 Res.push_back("-mrelocation-model"); 200 Res.push_back(Opts.RelocationModel); 201 } 202 if (!Opts.VerifyModule) 203 Res.push_back("-disable-llvm-verifier"); 204 } 205 206 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 207 std::vector<std::string> &Res) { 208 if (Opts.IncludeSystemHeaders) 209 Res.push_back("-sys-header-deps"); 210 if (Opts.UsePhonyTargets) 211 Res.push_back("-MP"); 212 if (!Opts.OutputFile.empty()) { 213 Res.push_back("-dependency-file"); 214 Res.push_back(Opts.OutputFile); 215 } 216 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 217 Res.push_back("-MT"); 218 Res.push_back(Opts.Targets[i]); 219 } 220 } 221 222 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 223 std::vector<std::string> &Res) { 224 if (Opts.IgnoreWarnings) 225 Res.push_back("-w"); 226 if (Opts.NoRewriteMacros) 227 Res.push_back("-Wno-rewrite-macros"); 228 if (Opts.Pedantic) 229 Res.push_back("-pedantic"); 230 if (Opts.PedanticErrors) 231 Res.push_back("-pedantic-errors"); 232 if (!Opts.ShowColumn) 233 Res.push_back("-fno-show-column"); 234 if (!Opts.ShowLocation) 235 Res.push_back("-fno-show-source-location"); 236 if (!Opts.ShowCarets) 237 Res.push_back("-fno-caret-diagnostics"); 238 if (!Opts.ShowFixits) 239 Res.push_back("-fno-diagnostics-fixit-info"); 240 if (Opts.ShowSourceRanges) 241 Res.push_back("-fdiagnostics-print-source-range-info"); 242 if (Opts.ShowColors) 243 Res.push_back("-fcolor-diagnostics"); 244 if (Opts.VerifyDiagnostics) 245 Res.push_back("-verify"); 246 if (Opts.BinaryOutput) 247 Res.push_back("-fdiagnostics-binary"); 248 if (Opts.ShowOptionNames) 249 Res.push_back("-fdiagnostics-show-option"); 250 if (Opts.ShowCategories == 1) 251 Res.push_back("-fdiagnostics-show-category=id"); 252 else if (Opts.ShowCategories == 2) 253 Res.push_back("-fdiagnostics-show-category=name"); 254 if (Opts.ErrorLimit) { 255 Res.push_back("-ferror-limit"); 256 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 257 } 258 if (Opts.MacroBacktraceLimit 259 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 260 Res.push_back("-fmacro-backtrace-limit"); 261 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 262 } 263 if (Opts.TemplateBacktraceLimit 264 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 265 Res.push_back("-ftemplate-backtrace-limit"); 266 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 267 } 268 269 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 270 Res.push_back("-ftabstop"); 271 Res.push_back(llvm::utostr(Opts.TabStop)); 272 } 273 if (Opts.MessageLength) { 274 Res.push_back("-fmessage-length"); 275 Res.push_back(llvm::utostr(Opts.MessageLength)); 276 } 277 if (!Opts.DumpBuildInformation.empty()) { 278 Res.push_back("-dump-build-information"); 279 Res.push_back(Opts.DumpBuildInformation); 280 } 281 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 282 Res.push_back("-W" + Opts.Warnings[i]); 283 } 284 285 static const char *getInputKindName(InputKind Kind) { 286 switch (Kind) { 287 case IK_None: break; 288 case IK_AST: return "ast"; 289 case IK_Asm: return "assembler-with-cpp"; 290 case IK_C: return "c"; 291 case IK_CXX: return "c++"; 292 case IK_LLVM_IR: return "ir"; 293 case IK_ObjC: return "objective-c"; 294 case IK_ObjCXX: return "objective-c++"; 295 case IK_OpenCL: return "cl"; 296 case IK_PreprocessedC: return "cpp-output"; 297 case IK_PreprocessedCXX: return "c++-cpp-output"; 298 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 299 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 300 } 301 302 llvm_unreachable("Unexpected language kind!"); 303 return 0; 304 } 305 306 static const char *getActionName(frontend::ActionKind Kind) { 307 switch (Kind) { 308 case frontend::PluginAction: 309 case frontend::InheritanceView: 310 llvm_unreachable("Invalid kind!"); 311 312 case frontend::ASTDump: return "-ast-dump"; 313 case frontend::ASTPrint: return "-ast-print"; 314 case frontend::ASTPrintXML: return "-ast-print-xml"; 315 case frontend::ASTView: return "-ast-view"; 316 case frontend::BoostCon: return "-boostcon"; 317 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 318 case frontend::DumpTokens: return "-dump-tokens"; 319 case frontend::EmitAssembly: return "-S"; 320 case frontend::EmitBC: return "-emit-llvm-bc"; 321 case frontend::EmitHTML: return "-emit-html"; 322 case frontend::EmitLLVM: return "-emit-llvm"; 323 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 324 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 325 case frontend::EmitObj: return "-emit-obj"; 326 case frontend::FixIt: return "-fixit"; 327 case frontend::GeneratePCH: return "-emit-pch"; 328 case frontend::GeneratePTH: return "-emit-pth"; 329 case frontend::InitOnly: return "-init-only"; 330 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 331 case frontend::PrintDeclContext: return "-print-decl-contexts"; 332 case frontend::PrintPreamble: return "-print-preamble"; 333 case frontend::PrintPreprocessedInput: return "-E"; 334 case frontend::RewriteMacros: return "-rewrite-macros"; 335 case frontend::RewriteObjC: return "-rewrite-objc"; 336 case frontend::RewriteTest: return "-rewrite-test"; 337 case frontend::RunAnalysis: return "-analyze"; 338 case frontend::RunPreprocessorOnly: return "-Eonly"; 339 } 340 341 llvm_unreachable("Unexpected language kind!"); 342 return 0; 343 } 344 345 static void FrontendOptsToArgs(const FrontendOptions &Opts, 346 std::vector<std::string> &Res) { 347 if (!Opts.DebugCodeCompletionPrinter) 348 Res.push_back("-no-code-completion-debug-printer"); 349 if (Opts.DisableFree) 350 Res.push_back("-disable-free"); 351 if (Opts.RelocatablePCH) 352 Res.push_back("-relocatable-pch"); 353 if (Opts.ChainedPCH) 354 Res.push_back("-chained-pch"); 355 if (Opts.ShowHelp) 356 Res.push_back("-help"); 357 if (Opts.ShowMacrosInCodeCompletion) 358 Res.push_back("-code-completion-macros"); 359 if (Opts.ShowCodePatternsInCodeCompletion) 360 Res.push_back("-code-completion-patterns"); 361 if (Opts.ShowStats) 362 Res.push_back("-print-stats"); 363 if (Opts.ShowTimers) 364 Res.push_back("-ftime-report"); 365 if (Opts.ShowVersion) 366 Res.push_back("-version"); 367 368 bool NeedLang = false; 369 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 370 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 371 Opts.Inputs[i].first) 372 NeedLang = true; 373 if (NeedLang) { 374 Res.push_back("-x"); 375 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 376 } 377 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 378 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 379 "Unable to represent this input vector!"); 380 Res.push_back(Opts.Inputs[i].second); 381 } 382 383 if (!Opts.OutputFile.empty()) { 384 Res.push_back("-o"); 385 Res.push_back(Opts.OutputFile); 386 } 387 if (!Opts.ViewClassInheritance.empty()) { 388 Res.push_back("-cxx-inheritance-view"); 389 Res.push_back(Opts.ViewClassInheritance); 390 } 391 if (!Opts.CodeCompletionAt.FileName.empty()) { 392 Res.push_back("-code-completion-at"); 393 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 394 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 395 llvm::utostr(Opts.CodeCompletionAt.Column)); 396 } 397 if (Opts.ProgramAction != frontend::InheritanceView && 398 Opts.ProgramAction != frontend::PluginAction) 399 Res.push_back(getActionName(Opts.ProgramAction)); 400 if (!Opts.ActionName.empty()) { 401 Res.push_back("-plugin"); 402 Res.push_back(Opts.ActionName); 403 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 404 Res.push_back("-plugin-arg-" + Opts.ActionName); 405 Res.push_back(Opts.PluginArgs[i]); 406 } 407 } 408 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 409 Res.push_back("-load"); 410 Res.push_back(Opts.Plugins[i]); 411 } 412 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 413 Res.push_back("-ast-merge"); 414 Res.push_back(Opts.ASTMergeFiles[i]); 415 } 416 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 417 Res.push_back("-mllvm"); 418 Res.push_back(Opts.LLVMArgs[i]); 419 } 420 } 421 422 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 423 std::vector<std::string> &Res) { 424 if (Opts.Sysroot != "/") { 425 Res.push_back("-isysroot"); 426 Res.push_back(Opts.Sysroot); 427 } 428 429 /// User specified include entries. 430 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 431 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 432 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 433 llvm::report_fatal_error("Invalid option set!"); 434 if (E.IsUserSupplied) { 435 if (E.Group == frontend::After) { 436 Res.push_back("-idirafter"); 437 } else if (E.Group == frontend::Quoted) { 438 Res.push_back("-iquote"); 439 } else if (E.Group == frontend::System) { 440 Res.push_back("-isystem"); 441 } else { 442 assert(E.Group == frontend::Angled && "Invalid group!"); 443 Res.push_back(E.IsFramework ? "-F" : "-I"); 444 } 445 } else { 446 if (E.Group != frontend::Angled && E.Group != frontend::System) 447 llvm::report_fatal_error("Invalid option set!"); 448 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 449 "-iwithprefix"); 450 } 451 Res.push_back(E.Path); 452 } 453 454 if (!Opts.EnvIncPath.empty()) { 455 // FIXME: Provide an option for this, and move env detection to driver. 456 llvm::report_fatal_error("Not yet implemented!"); 457 } 458 if (!Opts.CEnvIncPath.empty()) { 459 // FIXME: Provide an option for this, and move env detection to driver. 460 llvm::report_fatal_error("Not yet implemented!"); 461 } 462 if (!Opts.ObjCEnvIncPath.empty()) { 463 // FIXME: Provide an option for this, and move env detection to driver. 464 llvm::report_fatal_error("Not yet implemented!"); 465 } 466 if (!Opts.CXXEnvIncPath.empty()) { 467 // FIXME: Provide an option for this, and move env detection to driver. 468 llvm::report_fatal_error("Not yet implemented!"); 469 } 470 if (!Opts.ObjCXXEnvIncPath.empty()) { 471 // FIXME: Provide an option for this, and move env detection to driver. 472 llvm::report_fatal_error("Not yet implemented!"); 473 } 474 if (!Opts.ResourceDir.empty()) { 475 Res.push_back("-resource-dir"); 476 Res.push_back(Opts.ResourceDir); 477 } 478 if (!Opts.UseStandardIncludes) 479 Res.push_back("-nostdinc"); 480 if (!Opts.UseStandardCXXIncludes) 481 Res.push_back("-nostdinc++"); 482 if (Opts.Verbose) 483 Res.push_back("-v"); 484 } 485 486 static void LangOptsToArgs(const LangOptions &Opts, 487 std::vector<std::string> &Res) { 488 LangOptions DefaultLangOpts; 489 490 // FIXME: Need to set -std to get all the implicit options. 491 492 // FIXME: We want to only pass options relative to the defaults, which 493 // requires constructing a target. :( 494 // 495 // It would be better to push the all target specific choices into the driver, 496 // so that everything below that was more uniform. 497 498 if (Opts.Trigraphs) 499 Res.push_back("-trigraphs"); 500 // Implicit based on the input kind: 501 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 502 // Implicit based on the input language standard: 503 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 504 if (Opts.DollarIdents) 505 Res.push_back("-fdollars-in-identifiers"); 506 if (Opts.GNUMode && !Opts.GNUKeywords) 507 Res.push_back("-fno-gnu-keywords"); 508 if (!Opts.GNUMode && Opts.GNUKeywords) 509 Res.push_back("-fgnu-keywords"); 510 if (Opts.Microsoft) 511 Res.push_back("-fms-extensions"); 512 if (Opts.ObjCNonFragileABI) 513 Res.push_back("-fobjc-nonfragile-abi"); 514 if (Opts.ObjCNonFragileABI2) 515 Res.push_back("-fobjc-nonfragile-abi2"); 516 // NoInline is implicit. 517 if (!Opts.CXXOperatorNames) 518 Res.push_back("-fno-operator-names"); 519 if (Opts.PascalStrings) 520 Res.push_back("-fpascal-strings"); 521 if (Opts.CatchUndefined) 522 Res.push_back("-fcatch-undefined-behavior"); 523 if (Opts.WritableStrings) 524 Res.push_back("-fwritable-strings"); 525 if (Opts.ConstStrings) 526 Res.push_back("-Wwrite-strings"); 527 if (!Opts.LaxVectorConversions) 528 Res.push_back("-fno-lax-vector-conversions"); 529 if (Opts.AltiVec) 530 Res.push_back("-faltivec"); 531 if (Opts.Exceptions) 532 Res.push_back("-fexceptions"); 533 if (Opts.SjLjExceptions) 534 Res.push_back("-fsjlj-exceptions"); 535 if (!Opts.RTTI) 536 Res.push_back("-fno-rtti"); 537 if (!Opts.NeXTRuntime) 538 Res.push_back("-fgnu-runtime"); 539 if (Opts.Freestanding) 540 Res.push_back("-ffreestanding"); 541 if (Opts.NoBuiltin) 542 Res.push_back("-fno-builtin"); 543 if (!Opts.AssumeSaneOperatorNew) 544 Res.push_back("-fno-assume-sane-operator-new"); 545 if (!Opts.ThreadsafeStatics) 546 Res.push_back("-fno-threadsafe-statics"); 547 if (Opts.POSIXThreads) 548 Res.push_back("-pthread"); 549 if (Opts.Blocks) 550 Res.push_back("-fblocks"); 551 if (Opts.EmitAllDecls) 552 Res.push_back("-femit-all-decls"); 553 if (Opts.MathErrno) 554 Res.push_back("-fmath-errno"); 555 switch (Opts.getSignedOverflowBehavior()) { 556 case LangOptions::SOB_Undefined: break; 557 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 558 case LangOptions::SOB_Trapping: Res.push_back("-ftrapv"); break; 559 } 560 if (Opts.HeinousExtensions) 561 Res.push_back("-fheinous-gnu-extensions"); 562 // Optimize is implicit. 563 // OptimizeSize is implicit. 564 if (Opts.Static) 565 Res.push_back("-static-define"); 566 if (Opts.DumpRecordLayouts) 567 Res.push_back("-fdump-record-layouts"); 568 if (Opts.DumpVTableLayouts) 569 Res.push_back("-fdump-vtable-layouts"); 570 if (Opts.NoBitFieldTypeAlign) 571 Res.push_back("-fno-bitfield-type-alignment"); 572 if (Opts.SjLjExceptions) 573 Res.push_back("-fsjlj-exceptions"); 574 if (Opts.PICLevel) { 575 Res.push_back("-pic-level"); 576 Res.push_back(llvm::utostr(Opts.PICLevel)); 577 } 578 if (Opts.ObjCGCBitmapPrint) 579 Res.push_back("-print-ivar-layout"); 580 if (Opts.NoConstantCFStrings) 581 Res.push_back("-fno-constant-cfstrings"); 582 if (!Opts.AccessControl) 583 Res.push_back("-fno-access-control"); 584 if (!Opts.CharIsSigned) 585 Res.push_back("-fno-signed-char"); 586 if (Opts.ShortWChar) 587 Res.push_back("-fshort-wchar"); 588 if (!Opts.ElideConstructors) 589 Res.push_back("-fno-elide-constructors"); 590 if (Opts.getGCMode() != LangOptions::NonGC) { 591 if (Opts.getGCMode() == LangOptions::HybridGC) { 592 Res.push_back("-fobjc-gc"); 593 } else { 594 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 595 Res.push_back("-fobjc-gc-only"); 596 } 597 } 598 if (Opts.getVisibilityMode() != LangOptions::Default) { 599 Res.push_back("-fvisibility"); 600 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 601 Res.push_back("hidden"); 602 } else { 603 assert(Opts.getVisibilityMode() == LangOptions::Protected && 604 "Invalid visibility!"); 605 Res.push_back("protected"); 606 } 607 } 608 if (Opts.InlineVisibilityHidden) 609 Res.push_back("-fvisibility-inlines-hidden"); 610 611 if (Opts.getStackProtectorMode() != 0) { 612 Res.push_back("-stack-protector"); 613 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 614 } 615 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 616 Res.push_back("-ftemplate-depth"); 617 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 618 } 619 if (!Opts.ObjCConstantStringClass.empty()) { 620 Res.push_back("-fconstant-string-class"); 621 Res.push_back(Opts.ObjCConstantStringClass); 622 } 623 } 624 625 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 626 std::vector<std::string> &Res) { 627 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 628 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 629 Opts.Macros[i].first); 630 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 631 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 632 Res.push_back("-include"); 633 Res.push_back(Opts.Includes[i]); 634 } 635 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 636 Res.push_back("-imacros"); 637 Res.push_back(Opts.MacroIncludes[i]); 638 } 639 if (!Opts.UsePredefines) 640 Res.push_back("-undef"); 641 if (Opts.DetailedRecord) 642 Res.push_back("-detailed-preprocessing-record"); 643 if (!Opts.ImplicitPCHInclude.empty()) { 644 Res.push_back("-include-pch"); 645 Res.push_back(Opts.ImplicitPCHInclude); 646 } 647 if (!Opts.ImplicitPTHInclude.empty()) { 648 Res.push_back("-include-pth"); 649 Res.push_back(Opts.ImplicitPTHInclude); 650 } 651 if (!Opts.TokenCache.empty()) { 652 if (Opts.ImplicitPTHInclude.empty()) { 653 Res.push_back("-token-cache"); 654 Res.push_back(Opts.TokenCache); 655 } else 656 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 657 "Unsupported option combination!"); 658 } 659 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 660 Res.push_back("-remap-file"); 661 Res.push_back(Opts.RemappedFiles[i].first + ";" + 662 Opts.RemappedFiles[i].second); 663 } 664 } 665 666 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 667 std::vector<std::string> &Res) { 668 if (!Opts.ShowCPP && !Opts.ShowMacros) 669 llvm::report_fatal_error("Invalid option combination!"); 670 671 if (Opts.ShowCPP && Opts.ShowMacros) 672 Res.push_back("-dD"); 673 else if (!Opts.ShowCPP && Opts.ShowMacros) 674 Res.push_back("-dM"); 675 676 if (!Opts.ShowLineMarkers) 677 Res.push_back("-P"); 678 if (Opts.ShowComments) 679 Res.push_back("-C"); 680 if (Opts.ShowMacroComments) 681 Res.push_back("-CC"); 682 } 683 684 static void TargetOptsToArgs(const TargetOptions &Opts, 685 std::vector<std::string> &Res) { 686 Res.push_back("-triple"); 687 Res.push_back(Opts.Triple); 688 if (!Opts.CPU.empty()) { 689 Res.push_back("-target-cpu"); 690 Res.push_back(Opts.CPU); 691 } 692 if (!Opts.ABI.empty()) { 693 Res.push_back("-target-abi"); 694 Res.push_back(Opts.ABI); 695 } 696 Res.push_back("-cxx-abi"); 697 Res.push_back(Opts.CXXABI); 698 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 699 Res.push_back("-target-feature"); 700 Res.push_back(Opts.Features[i]); 701 } 702 } 703 704 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 705 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 706 CodeGenOptsToArgs(getCodeGenOpts(), Res); 707 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 708 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 709 FrontendOptsToArgs(getFrontendOpts(), Res); 710 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 711 LangOptsToArgs(getLangOpts(), Res); 712 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 713 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 714 TargetOptsToArgs(getTargetOpts(), Res); 715 } 716 717 //===----------------------------------------------------------------------===// 718 // Deserialization (to args) 719 //===----------------------------------------------------------------------===// 720 721 using namespace clang::driver; 722 using namespace clang::driver::cc1options; 723 724 // 725 726 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 727 Diagnostic &Diags) { 728 using namespace cc1options; 729 730 Opts.AnalysisList.clear(); 731 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 732 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 733 #include "clang/Frontend/Analyses.def" 734 735 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 736 llvm::StringRef Name = A->getValue(Args); 737 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 738 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 739 .Case(CMDFLAG, NAME##Model) 740 #include "clang/Frontend/Analyses.def" 741 .Default(NumStores); 742 // FIXME: Error handling. 743 if (Value == NumStores) 744 Diags.Report(diag::err_drv_invalid_value) 745 << A->getAsString(Args) << Name; 746 else 747 Opts.AnalysisStoreOpt = Value; 748 } 749 750 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 751 llvm::StringRef Name = A->getValue(Args); 752 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 753 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 754 .Case(CMDFLAG, NAME##Model) 755 #include "clang/Frontend/Analyses.def" 756 .Default(NumConstraints); 757 // FIXME: Error handling. 758 if (Value == NumConstraints) 759 Diags.Report(diag::err_drv_invalid_value) 760 << A->getAsString(Args) << Name; 761 else 762 Opts.AnalysisConstraintsOpt = Value; 763 } 764 765 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 766 llvm::StringRef Name = A->getValue(Args); 767 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 768 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 769 .Case(CMDFLAG, PD_##NAME) 770 #include "clang/Frontend/Analyses.def" 771 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 772 // FIXME: Error handling. 773 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 774 Diags.Report(diag::err_drv_invalid_value) 775 << A->getAsString(Args) << Name; 776 else 777 Opts.AnalysisDiagOpt = Value; 778 } 779 780 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 781 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 782 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 783 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 784 Opts.AnalyzeNestedBlocks = 785 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 786 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 787 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 788 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 789 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 790 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 791 Opts.EnableExperimentalInternalChecks = 792 Args.hasArg(OPT_analyzer_experimental_internal_checks); 793 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 794 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 795 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 796 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 797 } 798 799 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 800 Diagnostic &Diags) { 801 using namespace cc1options; 802 // -Os implies -O2 803 if (Args.hasArg(OPT_Os)) 804 Opts.OptimizationLevel = 2; 805 else { 806 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 807 if (Opts.OptimizationLevel > 3) { 808 Diags.Report(diag::err_drv_invalid_value) 809 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 810 Opts.OptimizationLevel = 3; 811 } 812 } 813 814 // We must always run at least the always inlining pass. 815 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 816 : CodeGenOptions::OnlyAlwaysInlining; 817 818 Opts.DebugInfo = Args.hasArg(OPT_g); 819 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 820 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 821 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 822 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 823 Opts.NoCommon = Args.hasArg(OPT_fno_common); 824 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 825 Opts.OptimizeSize = Args.hasArg(OPT_Os); 826 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 827 Args.hasArg(OPT_ffreestanding)); 828 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 829 830 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 831 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 832 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 833 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 834 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 835 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 836 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 837 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 838 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 839 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 840 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 841 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 842 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 843 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 844 845 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 846 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 847 848 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 849 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 850 851 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 852 853 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 854 llvm::StringRef Name = A->getValue(Args); 855 unsigned Method = llvm::StringSwitch<unsigned>(Name) 856 .Case("legacy", CodeGenOptions::Legacy) 857 .Case("non-legacy", CodeGenOptions::NonLegacy) 858 .Case("mixed", CodeGenOptions::Mixed) 859 .Default(~0U); 860 if (Method == ~0U) 861 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 862 else 863 Opts.ObjCDispatchMethod = Method; 864 } 865 } 866 867 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 868 ArgList &Args) { 869 using namespace cc1options; 870 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 871 Opts.Targets = Args.getAllArgValues(OPT_MT); 872 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 873 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 874 } 875 876 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 877 Diagnostic &Diags) { 878 using namespace cc1options; 879 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 880 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 881 Opts.Pedantic = Args.hasArg(OPT_pedantic); 882 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 883 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 884 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 885 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 886 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 887 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 888 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 889 890 llvm::StringRef ShowOverloads = 891 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 892 if (ShowOverloads == "best") 893 Opts.ShowOverloads = Diagnostic::Ovl_Best; 894 else if (ShowOverloads == "all") 895 Opts.ShowOverloads = Diagnostic::Ovl_All; 896 else 897 Diags.Report(diag::err_drv_invalid_value) 898 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 899 << ShowOverloads; 900 901 llvm::StringRef ShowCategory = 902 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 903 if (ShowCategory == "none") 904 Opts.ShowCategories = 0; 905 else if (ShowCategory == "id") 906 Opts.ShowCategories = 1; 907 else if (ShowCategory == "name") 908 Opts.ShowCategories = 2; 909 else 910 Diags.Report(diag::err_drv_invalid_value) 911 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 912 << ShowCategory; 913 914 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 915 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 916 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 917 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 918 Opts.MacroBacktraceLimit 919 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 920 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 921 Opts.TemplateBacktraceLimit 922 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 923 DiagnosticOptions::DefaultTemplateBacktraceLimit, 924 Diags); 925 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 926 DiagnosticOptions::DefaultTabStop, Diags); 927 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 928 Diags.Report(diag::warn_ignoring_ftabstop_value) 929 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 930 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 931 } 932 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 933 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 934 Opts.Warnings = Args.getAllArgValues(OPT_W); 935 } 936 937 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 938 Diagnostic &Diags) { 939 using namespace cc1options; 940 Opts.ProgramAction = frontend::ParseSyntaxOnly; 941 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 942 switch (A->getOption().getID()) { 943 default: 944 assert(0 && "Invalid option in group!"); 945 case OPT_ast_dump: 946 Opts.ProgramAction = frontend::ASTDump; break; 947 case OPT_ast_print: 948 Opts.ProgramAction = frontend::ASTPrint; break; 949 case OPT_ast_print_xml: 950 Opts.ProgramAction = frontend::ASTPrintXML; break; 951 case OPT_ast_view: 952 Opts.ProgramAction = frontend::ASTView; break; 953 case OPT_boostcon: 954 Opts.ProgramAction = frontend::BoostCon; break; 955 case OPT_dump_raw_tokens: 956 Opts.ProgramAction = frontend::DumpRawTokens; break; 957 case OPT_dump_tokens: 958 Opts.ProgramAction = frontend::DumpTokens; break; 959 case OPT_S: 960 Opts.ProgramAction = frontend::EmitAssembly; break; 961 case OPT_emit_llvm_bc: 962 Opts.ProgramAction = frontend::EmitBC; break; 963 case OPT_emit_html: 964 Opts.ProgramAction = frontend::EmitHTML; break; 965 case OPT_emit_llvm: 966 Opts.ProgramAction = frontend::EmitLLVM; break; 967 case OPT_emit_llvm_only: 968 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 969 case OPT_emit_codegen_only: 970 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 971 case OPT_emit_obj: 972 Opts.ProgramAction = frontend::EmitObj; break; 973 case OPT_fixit_EQ: 974 Opts.FixItSuffix = A->getValue(Args); 975 // fall-through! 976 case OPT_fixit: 977 Opts.ProgramAction = frontend::FixIt; break; 978 case OPT_emit_pch: 979 Opts.ProgramAction = frontend::GeneratePCH; break; 980 case OPT_emit_pth: 981 Opts.ProgramAction = frontend::GeneratePTH; break; 982 case OPT_init_only: 983 Opts.ProgramAction = frontend::InitOnly; break; 984 case OPT_fsyntax_only: 985 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 986 case OPT_print_decl_contexts: 987 Opts.ProgramAction = frontend::PrintDeclContext; break; 988 case OPT_print_preamble: 989 Opts.ProgramAction = frontend::PrintPreamble; break; 990 case OPT_E: 991 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 992 case OPT_rewrite_macros: 993 Opts.ProgramAction = frontend::RewriteMacros; break; 994 case OPT_rewrite_objc: 995 Opts.ProgramAction = frontend::RewriteObjC; break; 996 case OPT_rewrite_test: 997 Opts.ProgramAction = frontend::RewriteTest; break; 998 case OPT_analyze: 999 Opts.ProgramAction = frontend::RunAnalysis; break; 1000 case OPT_Eonly: 1001 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1002 } 1003 } 1004 1005 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1006 Opts.Plugins.push_back(A->getValue(Args,0)); 1007 Opts.ProgramAction = frontend::PluginAction; 1008 Opts.ActionName = A->getValue(Args); 1009 1010 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1011 end = Args.filtered_end(); it != end; ++it) { 1012 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1013 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1014 } 1015 } 1016 1017 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1018 Opts.CodeCompletionAt = 1019 ParsedSourceLocation::FromString(A->getValue(Args)); 1020 if (Opts.CodeCompletionAt.FileName.empty()) 1021 Diags.Report(diag::err_drv_invalid_value) 1022 << A->getAsString(Args) << A->getValue(Args); 1023 } 1024 Opts.DebugCodeCompletionPrinter = 1025 !Args.hasArg(OPT_no_code_completion_debug_printer); 1026 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1027 1028 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1029 Opts.Plugins = Args.getAllArgValues(OPT_load); 1030 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1031 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1032 Opts.ShowHelp = Args.hasArg(OPT_help); 1033 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1034 Opts.ShowCodePatternsInCodeCompletion 1035 = Args.hasArg(OPT_code_completion_patterns); 1036 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1037 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1038 Opts.ShowVersion = Args.hasArg(OPT_version); 1039 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1040 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1041 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1042 1043 InputKind DashX = IK_None; 1044 if (const Arg *A = Args.getLastArg(OPT_x)) { 1045 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1046 .Case("c", IK_C) 1047 .Case("cl", IK_OpenCL) 1048 .Case("c", IK_C) 1049 .Case("cl", IK_OpenCL) 1050 .Case("c++", IK_CXX) 1051 .Case("objective-c", IK_ObjC) 1052 .Case("objective-c++", IK_ObjCXX) 1053 .Case("cpp-output", IK_PreprocessedC) 1054 .Case("assembler-with-cpp", IK_Asm) 1055 .Case("c++-cpp-output", IK_PreprocessedCXX) 1056 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1057 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1058 .Case("c-header", IK_C) 1059 .Case("objective-c-header", IK_ObjC) 1060 .Case("c++-header", IK_CXX) 1061 .Case("objective-c++-header", IK_ObjCXX) 1062 .Case("ast", IK_AST) 1063 .Case("ir", IK_LLVM_IR) 1064 .Default(IK_None); 1065 if (DashX == IK_None) 1066 Diags.Report(diag::err_drv_invalid_value) 1067 << A->getAsString(Args) << A->getValue(Args); 1068 } 1069 1070 // '-' is the default input if none is given. 1071 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1072 Opts.Inputs.clear(); 1073 if (Inputs.empty()) 1074 Inputs.push_back("-"); 1075 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1076 InputKind IK = DashX; 1077 if (IK == IK_None) { 1078 IK = FrontendOptions::getInputKindForExtension( 1079 llvm::StringRef(Inputs[i]).rsplit('.').second); 1080 // FIXME: Remove this hack. 1081 if (i == 0) 1082 DashX = IK; 1083 } 1084 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1085 } 1086 1087 return DashX; 1088 } 1089 1090 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1091 void *MainAddr) { 1092 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1093 1094 if (!P.isEmpty()) { 1095 P.eraseComponent(); // Remove /clang from foo/bin/clang 1096 P.eraseComponent(); // Remove /bin from foo/bin 1097 1098 // Get foo/lib/clang/<version>/include 1099 P.appendComponent("lib"); 1100 P.appendComponent("clang"); 1101 P.appendComponent(CLANG_VERSION_STRING); 1102 } 1103 1104 return P.str(); 1105 } 1106 1107 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1108 using namespace cc1options; 1109 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1110 Opts.Verbose = Args.hasArg(OPT_v); 1111 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1112 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1113 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1114 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1115 1116 // Add -I... and -F... options in order. 1117 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1118 ie = Args.filtered_end(); it != ie; ++it) 1119 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1120 /*IsFramework=*/ (*it)->getOption().matches(OPT_F)); 1121 1122 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1123 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1124 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1125 OPT_iwithprefixbefore), 1126 ie = Args.filtered_end(); it != ie; ++it) { 1127 const Arg *A = *it; 1128 if (A->getOption().matches(OPT_iprefix)) 1129 Prefix = A->getValue(Args); 1130 else if (A->getOption().matches(OPT_iwithprefix)) 1131 Opts.AddPath(Prefix.str() + A->getValue(Args), 1132 frontend::System, false, false); 1133 else 1134 Opts.AddPath(Prefix.str() + A->getValue(Args), 1135 frontend::Angled, false, false); 1136 } 1137 1138 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1139 ie = Args.filtered_end(); it != ie; ++it) 1140 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false); 1141 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1142 ie = Args.filtered_end(); it != ie; ++it) 1143 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false); 1144 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1145 ie = Args.filtered_end(); it != ie; ++it) 1146 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false); 1147 1148 // FIXME: Need options for the various environment variables! 1149 } 1150 1151 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1152 Diagnostic &Diags) { 1153 // FIXME: Cleanup per-file based stuff. 1154 1155 // Set some properties which depend soley on the input kind; it would be nice 1156 // to move these to the language standard, and have the driver resolve the 1157 // input kind + language standard. 1158 if (IK == IK_Asm) { 1159 Opts.AsmPreprocessor = 1; 1160 } else if (IK == IK_ObjC || 1161 IK == IK_ObjCXX || 1162 IK == IK_PreprocessedObjC || 1163 IK == IK_PreprocessedObjCXX) { 1164 Opts.ObjC1 = Opts.ObjC2 = 1; 1165 } 1166 1167 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1168 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1169 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1170 #define LANGSTANDARD(id, name, desc, features) \ 1171 .Case(name, LangStandard::lang_##id) 1172 #include "clang/Frontend/LangStandards.def" 1173 .Default(LangStandard::lang_unspecified); 1174 if (LangStd == LangStandard::lang_unspecified) 1175 Diags.Report(diag::err_drv_invalid_value) 1176 << A->getAsString(Args) << A->getValue(Args); 1177 } 1178 1179 if (LangStd == LangStandard::lang_unspecified) { 1180 // Based on the base language, pick one. 1181 switch (IK) { 1182 case IK_None: 1183 case IK_AST: 1184 case IK_LLVM_IR: 1185 assert(0 && "Invalid input kind!"); 1186 case IK_OpenCL: 1187 LangStd = LangStandard::lang_opencl; 1188 break; 1189 case IK_Asm: 1190 case IK_C: 1191 case IK_PreprocessedC: 1192 case IK_ObjC: 1193 case IK_PreprocessedObjC: 1194 LangStd = LangStandard::lang_gnu99; 1195 break; 1196 case IK_CXX: 1197 case IK_PreprocessedCXX: 1198 case IK_ObjCXX: 1199 case IK_PreprocessedObjCXX: 1200 LangStd = LangStandard::lang_gnucxx98; 1201 break; 1202 } 1203 } 1204 1205 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1206 Opts.BCPLComment = Std.hasBCPLComments(); 1207 Opts.C99 = Std.isC99(); 1208 Opts.CPlusPlus = Std.isCPlusPlus(); 1209 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1210 Opts.Digraphs = Std.hasDigraphs(); 1211 Opts.GNUMode = Std.isGNUMode(); 1212 Opts.GNUInline = !Std.isC99(); 1213 Opts.HexFloats = Std.hasHexFloats(); 1214 Opts.ImplicitInt = Std.hasImplicitInt(); 1215 1216 // OpenCL has some additional defaults. 1217 if (LangStd == LangStandard::lang_opencl) { 1218 Opts.OpenCL = 1; 1219 Opts.AltiVec = 1; 1220 Opts.CXXOperatorNames = 1; 1221 Opts.LaxVectorConversions = 1; 1222 } 1223 1224 // OpenCL and C++ both have bool, true, false keywords. 1225 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1226 1227 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1228 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1229 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1230 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1231 // name, as it doesn't seem a useful distinction. 1232 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1233 Opts.GNUMode); 1234 1235 if (Opts.CPlusPlus) 1236 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1237 1238 if (Args.hasArg(OPT_fobjc_gc_only)) 1239 Opts.setGCMode(LangOptions::GCOnly); 1240 else if (Args.hasArg(OPT_fobjc_gc)) 1241 Opts.setGCMode(LangOptions::HybridGC); 1242 1243 if (Args.hasArg(OPT_print_ivar_layout)) 1244 Opts.ObjCGCBitmapPrint = 1; 1245 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1246 Opts.NoConstantCFStrings = 1; 1247 1248 if (Args.hasArg(OPT_faltivec)) 1249 Opts.AltiVec = 1; 1250 1251 if (Args.hasArg(OPT_pthread)) 1252 Opts.POSIXThreads = 1; 1253 1254 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1255 if (Vis == "default") 1256 Opts.setVisibilityMode(LangOptions::Default); 1257 else if (Vis == "hidden") 1258 Opts.setVisibilityMode(LangOptions::Hidden); 1259 else if (Vis == "protected") 1260 Opts.setVisibilityMode(LangOptions::Protected); 1261 else 1262 Diags.Report(diag::err_drv_invalid_value) 1263 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1264 1265 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1266 Opts.InlineVisibilityHidden = 1; 1267 1268 if (Args.hasArg(OPT_ftrapv)) 1269 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1270 else if (Args.hasArg(OPT_fwrapv)) 1271 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1272 1273 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1274 // is specified, or -std is set to a conforming mode. 1275 Opts.Trigraphs = !Opts.GNUMode; 1276 if (Args.hasArg(OPT_trigraphs)) 1277 Opts.Trigraphs = 1; 1278 1279 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1280 OPT_fno_dollars_in_identifiers, 1281 !Opts.AsmPreprocessor); 1282 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1283 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1284 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1285 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1286 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1287 Opts.LaxVectorConversions = 0; 1288 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1289 Opts.ThreadsafeStatics = 0; 1290 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1291 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1292 Opts.Blocks = Args.hasArg(OPT_fblocks); 1293 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1294 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1295 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1296 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1297 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1298 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1299 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1300 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1301 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1302 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1303 Diags); 1304 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1305 Opts.ObjCConstantStringClass = 1306 Args.getLastArgValue(OPT_fconstant_string_class); 1307 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1308 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1309 if (Opts.ObjCNonFragileABI2) 1310 Opts.ObjCNonFragileABI = true; 1311 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1312 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1313 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1314 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1315 Opts.Static = Args.hasArg(OPT_static_define); 1316 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1317 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1318 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1319 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1320 Opts.OptimizeSize = 0; 1321 1322 // FIXME: Eliminate this dependency. 1323 unsigned Opt = 1324 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1325 Opts.Optimize = Opt != 0; 1326 1327 // This is the __NO_INLINE__ define, which just depends on things like the 1328 // optimization level and -fno-inline, not actually whether the backend has 1329 // inlining enabled. 1330 // 1331 // FIXME: This is affected by other options (-fno-inline). 1332 Opts.NoInline = !Opt; 1333 1334 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1335 switch (SSP) { 1336 default: 1337 Diags.Report(diag::err_drv_invalid_value) 1338 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1339 break; 1340 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1341 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1342 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1343 } 1344 } 1345 1346 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1347 Diagnostic &Diags) { 1348 using namespace cc1options; 1349 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1350 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1351 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1352 Opts.TokenCache = A->getValue(Args); 1353 else 1354 Opts.TokenCache = Opts.ImplicitPTHInclude; 1355 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1356 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1357 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1358 1359 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1360 llvm::StringRef Value(A->getValue(Args)); 1361 size_t Comma = Value.find(','); 1362 unsigned Bytes = 0; 1363 unsigned EndOfLine = 0; 1364 1365 if (Comma == llvm::StringRef::npos || 1366 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1367 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1368 Diags.Report(diag::err_drv_preamble_format); 1369 else { 1370 Opts.PrecompiledPreambleBytes.first = Bytes; 1371 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1372 } 1373 } 1374 1375 // Add macros from the command line. 1376 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1377 ie = Args.filtered_end(); it != ie; ++it) { 1378 if ((*it)->getOption().matches(OPT_D)) 1379 Opts.addMacroDef((*it)->getValue(Args)); 1380 else 1381 Opts.addMacroUndef((*it)->getValue(Args)); 1382 } 1383 1384 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1385 1386 // Add the ordered list of -includes. 1387 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1388 OPT_include_pth), 1389 ie = Args.filtered_end(); it != ie; ++it) { 1390 const Arg *A = *it; 1391 // PCH is handled specially, we need to extra the original include path. 1392 if (A->getOption().matches(OPT_include_pch)) { 1393 std::string OriginalFile = 1394 PCHReader::getOriginalSourceFile(A->getValue(Args), Diags); 1395 if (OriginalFile.empty()) 1396 continue; 1397 1398 Opts.Includes.push_back(OriginalFile); 1399 } else 1400 Opts.Includes.push_back(A->getValue(Args)); 1401 } 1402 1403 // Include 'altivec.h' if -faltivec option present 1404 if (Args.hasArg(OPT_faltivec)) 1405 Opts.Includes.push_back("altivec.h"); 1406 1407 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1408 ie = Args.filtered_end(); it != ie; ++it) { 1409 const Arg *A = *it; 1410 std::pair<llvm::StringRef,llvm::StringRef> Split = 1411 llvm::StringRef(A->getValue(Args)).split(';'); 1412 1413 if (Split.second.empty()) { 1414 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1415 continue; 1416 } 1417 1418 Opts.addRemappedFile(Split.first, Split.second); 1419 } 1420 } 1421 1422 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1423 ArgList &Args) { 1424 using namespace cc1options; 1425 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1426 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1427 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1428 Opts.ShowComments = Args.hasArg(OPT_C); 1429 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1430 } 1431 1432 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1433 using namespace cc1options; 1434 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1435 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1436 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1437 Opts.Triple = Args.getLastArgValue(OPT_triple); 1438 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1439 1440 // Use the host triple if unspecified. 1441 if (Opts.Triple.empty()) 1442 Opts.Triple = llvm::sys::getHostTriple(); 1443 1444 // Use the Itanium C++ ABI if unspecified. 1445 if (Opts.CXXABI.empty()) 1446 Opts.CXXABI = "itanium"; 1447 } 1448 1449 // 1450 1451 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1452 const char **ArgBegin, 1453 const char **ArgEnd, 1454 Diagnostic &Diags) { 1455 // Parse the arguments. 1456 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1457 unsigned MissingArgIndex, MissingArgCount; 1458 llvm::OwningPtr<InputArgList> Args( 1459 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1460 1461 // Check for missing argument error. 1462 if (MissingArgCount) 1463 Diags.Report(diag::err_drv_missing_argument) 1464 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1465 1466 // Issue errors on unknown arguments. 1467 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1468 ie = Args->filtered_end(); it != ie; ++it) 1469 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1470 1471 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1472 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1473 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1474 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1475 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1476 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1477 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1478 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1479 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1480 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1481 ParseTargetArgs(Res.getTargetOpts(), *Args); 1482 } 1483