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 if (Opts.IdempotentOps) 116 Res.push_back("-analyzer-check-idempotent-operations"); 117 } 118 119 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 120 std::vector<std::string> &Res) { 121 if (Opts.DebugInfo) 122 Res.push_back("-g"); 123 if (Opts.DisableLLVMOpts) 124 Res.push_back("-disable-llvm-optzns"); 125 if (Opts.DisableRedZone) 126 Res.push_back("-disable-red-zone"); 127 if (!Opts.DwarfDebugFlags.empty()) { 128 Res.push_back("-dwarf-debug-flags"); 129 Res.push_back(Opts.DwarfDebugFlags); 130 } 131 if (!Opts.MergeAllConstants) 132 Res.push_back("-fno-merge-all-constants"); 133 if (Opts.NoCommon) 134 Res.push_back("-fno-common"); 135 if (Opts.NoImplicitFloat) 136 Res.push_back("-no-implicit-float"); 137 if (Opts.OmitLeafFramePointer) 138 Res.push_back("-momit-leaf-frame-pointer"); 139 if (Opts.OptimizeSize) { 140 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 141 Res.push_back("-Os"); 142 } else if (Opts.OptimizationLevel != 0) 143 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 144 if (!Opts.MainFileName.empty()) { 145 Res.push_back("-main-file-name"); 146 Res.push_back(Opts.MainFileName); 147 } 148 // SimplifyLibCalls is only derived. 149 // TimePasses is only derived. 150 // UnitAtATime is unused. 151 // Inlining is only derived. 152 153 // UnrollLoops is derived, but also accepts an option, no 154 // harm in pushing it back here. 155 if (Opts.UnrollLoops) 156 Res.push_back("-funroll-loops"); 157 if (Opts.DataSections) 158 Res.push_back("-fdata-sections"); 159 if (Opts.FunctionSections) 160 Res.push_back("-ffunction-sections"); 161 if (Opts.AsmVerbose) 162 Res.push_back("-masm-verbose"); 163 if (!Opts.CodeModel.empty()) { 164 Res.push_back("-mcode-model"); 165 Res.push_back(Opts.CodeModel); 166 } 167 if (!Opts.CXAAtExit) 168 Res.push_back("-fno-use-cxa-atexit"); 169 if (Opts.CXXCtorDtorAliases) 170 Res.push_back("-mconstructor-aliases"); 171 if (!Opts.DebugPass.empty()) { 172 Res.push_back("-mdebug-pass"); 173 Res.push_back(Opts.DebugPass); 174 } 175 if (Opts.DisableFPElim) 176 Res.push_back("-mdisable-fp-elim"); 177 if (!Opts.FloatABI.empty()) { 178 Res.push_back("-mfloat-abi"); 179 Res.push_back(Opts.FloatABI); 180 } 181 if (!Opts.LimitFloatPrecision.empty()) { 182 Res.push_back("-mlimit-float-precision"); 183 Res.push_back(Opts.LimitFloatPrecision); 184 } 185 if (Opts.NoZeroInitializedInBSS) 186 Res.push_back("-mno-zero-initialized-bss"); 187 switch (Opts.getObjCDispatchMethod()) { 188 case CodeGenOptions::Legacy: 189 break; 190 case CodeGenOptions::Mixed: 191 Res.push_back("-fobjc-dispatch-method=mixed"); 192 break; 193 case CodeGenOptions::NonLegacy: 194 Res.push_back("-fobjc-dispatch-method=non-legacy"); 195 break; 196 } 197 if (Opts.RelaxAll) 198 Res.push_back("-mrelax-all"); 199 if (Opts.SoftFloat) 200 Res.push_back("-msoft-float"); 201 if (Opts.UnwindTables) 202 Res.push_back("-munwind-tables"); 203 if (Opts.RelocationModel != "pic") { 204 Res.push_back("-mrelocation-model"); 205 Res.push_back(Opts.RelocationModel); 206 } 207 if (!Opts.VerifyModule) 208 Res.push_back("-disable-llvm-verifier"); 209 } 210 211 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 212 std::vector<std::string> &Res) { 213 if (Opts.IncludeSystemHeaders) 214 Res.push_back("-sys-header-deps"); 215 if (Opts.UsePhonyTargets) 216 Res.push_back("-MP"); 217 if (!Opts.OutputFile.empty()) { 218 Res.push_back("-dependency-file"); 219 Res.push_back(Opts.OutputFile); 220 } 221 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 222 Res.push_back("-MT"); 223 Res.push_back(Opts.Targets[i]); 224 } 225 } 226 227 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 228 std::vector<std::string> &Res) { 229 if (Opts.IgnoreWarnings) 230 Res.push_back("-w"); 231 if (Opts.NoRewriteMacros) 232 Res.push_back("-Wno-rewrite-macros"); 233 if (Opts.Pedantic) 234 Res.push_back("-pedantic"); 235 if (Opts.PedanticErrors) 236 Res.push_back("-pedantic-errors"); 237 if (!Opts.ShowColumn) 238 Res.push_back("-fno-show-column"); 239 if (!Opts.ShowLocation) 240 Res.push_back("-fno-show-source-location"); 241 if (!Opts.ShowCarets) 242 Res.push_back("-fno-caret-diagnostics"); 243 if (!Opts.ShowFixits) 244 Res.push_back("-fno-diagnostics-fixit-info"); 245 if (Opts.ShowSourceRanges) 246 Res.push_back("-fdiagnostics-print-source-range-info"); 247 if (Opts.ShowColors) 248 Res.push_back("-fcolor-diagnostics"); 249 if (Opts.VerifyDiagnostics) 250 Res.push_back("-verify"); 251 if (Opts.BinaryOutput) 252 Res.push_back("-fdiagnostics-binary"); 253 if (Opts.ShowOptionNames) 254 Res.push_back("-fdiagnostics-show-option"); 255 if (Opts.ShowCategories == 1) 256 Res.push_back("-fdiagnostics-show-category=id"); 257 else if (Opts.ShowCategories == 2) 258 Res.push_back("-fdiagnostics-show-category=name"); 259 if (Opts.ErrorLimit) { 260 Res.push_back("-ferror-limit"); 261 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 262 } 263 if (Opts.MacroBacktraceLimit 264 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 265 Res.push_back("-fmacro-backtrace-limit"); 266 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 267 } 268 if (Opts.TemplateBacktraceLimit 269 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 270 Res.push_back("-ftemplate-backtrace-limit"); 271 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 272 } 273 274 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 275 Res.push_back("-ftabstop"); 276 Res.push_back(llvm::utostr(Opts.TabStop)); 277 } 278 if (Opts.MessageLength) { 279 Res.push_back("-fmessage-length"); 280 Res.push_back(llvm::utostr(Opts.MessageLength)); 281 } 282 if (!Opts.DumpBuildInformation.empty()) { 283 Res.push_back("-dump-build-information"); 284 Res.push_back(Opts.DumpBuildInformation); 285 } 286 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 287 Res.push_back("-W" + Opts.Warnings[i]); 288 } 289 290 static const char *getInputKindName(InputKind Kind) { 291 switch (Kind) { 292 case IK_None: break; 293 case IK_AST: return "ast"; 294 case IK_Asm: return "assembler-with-cpp"; 295 case IK_C: return "c"; 296 case IK_CXX: return "c++"; 297 case IK_LLVM_IR: return "ir"; 298 case IK_ObjC: return "objective-c"; 299 case IK_ObjCXX: return "objective-c++"; 300 case IK_OpenCL: return "cl"; 301 case IK_PreprocessedC: return "cpp-output"; 302 case IK_PreprocessedCXX: return "c++-cpp-output"; 303 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 304 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 305 } 306 307 llvm_unreachable("Unexpected language kind!"); 308 return 0; 309 } 310 311 static const char *getActionName(frontend::ActionKind Kind) { 312 switch (Kind) { 313 case frontend::PluginAction: 314 case frontend::InheritanceView: 315 llvm_unreachable("Invalid kind!"); 316 317 case frontend::ASTDump: return "-ast-dump"; 318 case frontend::ASTPrint: return "-ast-print"; 319 case frontend::ASTPrintXML: return "-ast-print-xml"; 320 case frontend::ASTView: return "-ast-view"; 321 case frontend::BoostCon: return "-boostcon"; 322 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 323 case frontend::DumpTokens: return "-dump-tokens"; 324 case frontend::EmitAssembly: return "-S"; 325 case frontend::EmitBC: return "-emit-llvm-bc"; 326 case frontend::EmitHTML: return "-emit-html"; 327 case frontend::EmitLLVM: return "-emit-llvm"; 328 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 329 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 330 case frontend::EmitObj: return "-emit-obj"; 331 case frontend::FixIt: return "-fixit"; 332 case frontend::GeneratePCH: return "-emit-pch"; 333 case frontend::GeneratePTH: return "-emit-pth"; 334 case frontend::InitOnly: return "-init-only"; 335 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 336 case frontend::PrintDeclContext: return "-print-decl-contexts"; 337 case frontend::PrintPreamble: return "-print-preamble"; 338 case frontend::PrintPreprocessedInput: return "-E"; 339 case frontend::RewriteMacros: return "-rewrite-macros"; 340 case frontend::RewriteObjC: return "-rewrite-objc"; 341 case frontend::RewriteTest: return "-rewrite-test"; 342 case frontend::RunAnalysis: return "-analyze"; 343 case frontend::RunPreprocessorOnly: return "-Eonly"; 344 } 345 346 llvm_unreachable("Unexpected language kind!"); 347 return 0; 348 } 349 350 static void FrontendOptsToArgs(const FrontendOptions &Opts, 351 std::vector<std::string> &Res) { 352 if (!Opts.DebugCodeCompletionPrinter) 353 Res.push_back("-no-code-completion-debug-printer"); 354 if (Opts.DisableFree) 355 Res.push_back("-disable-free"); 356 if (Opts.RelocatablePCH) 357 Res.push_back("-relocatable-pch"); 358 if (Opts.ChainedPCH) 359 Res.push_back("-chained-pch"); 360 if (Opts.ShowHelp) 361 Res.push_back("-help"); 362 if (Opts.ShowMacrosInCodeCompletion) 363 Res.push_back("-code-completion-macros"); 364 if (Opts.ShowCodePatternsInCodeCompletion) 365 Res.push_back("-code-completion-patterns"); 366 if (Opts.ShowStats) 367 Res.push_back("-print-stats"); 368 if (Opts.ShowTimers) 369 Res.push_back("-ftime-report"); 370 if (Opts.ShowVersion) 371 Res.push_back("-version"); 372 373 bool NeedLang = false; 374 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 375 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 376 Opts.Inputs[i].first) 377 NeedLang = true; 378 if (NeedLang) { 379 Res.push_back("-x"); 380 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 381 } 382 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 383 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 384 "Unable to represent this input vector!"); 385 Res.push_back(Opts.Inputs[i].second); 386 } 387 388 if (!Opts.OutputFile.empty()) { 389 Res.push_back("-o"); 390 Res.push_back(Opts.OutputFile); 391 } 392 if (!Opts.ViewClassInheritance.empty()) { 393 Res.push_back("-cxx-inheritance-view"); 394 Res.push_back(Opts.ViewClassInheritance); 395 } 396 if (!Opts.CodeCompletionAt.FileName.empty()) { 397 Res.push_back("-code-completion-at"); 398 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 399 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 400 llvm::utostr(Opts.CodeCompletionAt.Column)); 401 } 402 if (Opts.ProgramAction != frontend::InheritanceView && 403 Opts.ProgramAction != frontend::PluginAction) 404 Res.push_back(getActionName(Opts.ProgramAction)); 405 if (!Opts.ActionName.empty()) { 406 Res.push_back("-plugin"); 407 Res.push_back(Opts.ActionName); 408 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 409 Res.push_back("-plugin-arg-" + Opts.ActionName); 410 Res.push_back(Opts.PluginArgs[i]); 411 } 412 } 413 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 414 Res.push_back("-load"); 415 Res.push_back(Opts.Plugins[i]); 416 } 417 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 418 Res.push_back("-ast-merge"); 419 Res.push_back(Opts.ASTMergeFiles[i]); 420 } 421 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 422 Res.push_back("-mllvm"); 423 Res.push_back(Opts.LLVMArgs[i]); 424 } 425 } 426 427 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 428 std::vector<std::string> &Res) { 429 if (Opts.Sysroot != "/") { 430 Res.push_back("-isysroot"); 431 Res.push_back(Opts.Sysroot); 432 } 433 434 /// User specified include entries. 435 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 436 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 437 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 438 llvm::report_fatal_error("Invalid option set!"); 439 if (E.IsUserSupplied) { 440 if (E.Group == frontend::After) { 441 Res.push_back("-idirafter"); 442 } else if (E.Group == frontend::Quoted) { 443 Res.push_back("-iquote"); 444 } else if (E.Group == frontend::System) { 445 Res.push_back("-isystem"); 446 } else { 447 assert(E.Group == frontend::Angled && "Invalid group!"); 448 Res.push_back(E.IsFramework ? "-F" : "-I"); 449 } 450 } else { 451 if (E.Group != frontend::Angled && E.Group != frontend::System) 452 llvm::report_fatal_error("Invalid option set!"); 453 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 454 "-iwithprefix"); 455 } 456 Res.push_back(E.Path); 457 } 458 459 if (!Opts.EnvIncPath.empty()) { 460 // FIXME: Provide an option for this, and move env detection to driver. 461 llvm::report_fatal_error("Not yet implemented!"); 462 } 463 if (!Opts.CEnvIncPath.empty()) { 464 // FIXME: Provide an option for this, and move env detection to driver. 465 llvm::report_fatal_error("Not yet implemented!"); 466 } 467 if (!Opts.ObjCEnvIncPath.empty()) { 468 // FIXME: Provide an option for this, and move env detection to driver. 469 llvm::report_fatal_error("Not yet implemented!"); 470 } 471 if (!Opts.CXXEnvIncPath.empty()) { 472 // FIXME: Provide an option for this, and move env detection to driver. 473 llvm::report_fatal_error("Not yet implemented!"); 474 } 475 if (!Opts.ObjCXXEnvIncPath.empty()) { 476 // FIXME: Provide an option for this, and move env detection to driver. 477 llvm::report_fatal_error("Not yet implemented!"); 478 } 479 if (!Opts.ResourceDir.empty()) { 480 Res.push_back("-resource-dir"); 481 Res.push_back(Opts.ResourceDir); 482 } 483 if (!Opts.UseStandardIncludes) 484 Res.push_back("-nostdinc"); 485 if (!Opts.UseStandardCXXIncludes) 486 Res.push_back("-nostdinc++"); 487 if (Opts.Verbose) 488 Res.push_back("-v"); 489 } 490 491 static void LangOptsToArgs(const LangOptions &Opts, 492 std::vector<std::string> &Res) { 493 LangOptions DefaultLangOpts; 494 495 // FIXME: Need to set -std to get all the implicit options. 496 497 // FIXME: We want to only pass options relative to the defaults, which 498 // requires constructing a target. :( 499 // 500 // It would be better to push the all target specific choices into the driver, 501 // so that everything below that was more uniform. 502 503 if (Opts.Trigraphs) 504 Res.push_back("-trigraphs"); 505 // Implicit based on the input kind: 506 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 507 // Implicit based on the input language standard: 508 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 509 if (Opts.DollarIdents) 510 Res.push_back("-fdollars-in-identifiers"); 511 if (Opts.GNUMode && !Opts.GNUKeywords) 512 Res.push_back("-fno-gnu-keywords"); 513 if (!Opts.GNUMode && Opts.GNUKeywords) 514 Res.push_back("-fgnu-keywords"); 515 if (Opts.Microsoft) 516 Res.push_back("-fms-extensions"); 517 if (Opts.ObjCNonFragileABI) 518 Res.push_back("-fobjc-nonfragile-abi"); 519 if (Opts.ObjCNonFragileABI2) 520 Res.push_back("-fobjc-nonfragile-abi2"); 521 // NoInline is implicit. 522 if (!Opts.CXXOperatorNames) 523 Res.push_back("-fno-operator-names"); 524 if (Opts.PascalStrings) 525 Res.push_back("-fpascal-strings"); 526 if (Opts.CatchUndefined) 527 Res.push_back("-fcatch-undefined-behavior"); 528 if (Opts.WritableStrings) 529 Res.push_back("-fwritable-strings"); 530 if (Opts.ConstStrings) 531 Res.push_back("-Wwrite-strings"); 532 if (!Opts.LaxVectorConversions) 533 Res.push_back("-fno-lax-vector-conversions"); 534 if (Opts.AltiVec) 535 Res.push_back("-faltivec"); 536 if (Opts.Exceptions) 537 Res.push_back("-fexceptions"); 538 if (Opts.SjLjExceptions) 539 Res.push_back("-fsjlj-exceptions"); 540 if (!Opts.RTTI) 541 Res.push_back("-fno-rtti"); 542 if (!Opts.NeXTRuntime) 543 Res.push_back("-fgnu-runtime"); 544 if (Opts.Freestanding) 545 Res.push_back("-ffreestanding"); 546 if (Opts.NoBuiltin) 547 Res.push_back("-fno-builtin"); 548 if (!Opts.AssumeSaneOperatorNew) 549 Res.push_back("-fno-assume-sane-operator-new"); 550 if (!Opts.ThreadsafeStatics) 551 Res.push_back("-fno-threadsafe-statics"); 552 if (Opts.POSIXThreads) 553 Res.push_back("-pthread"); 554 if (Opts.Blocks) 555 Res.push_back("-fblocks"); 556 if (Opts.EmitAllDecls) 557 Res.push_back("-femit-all-decls"); 558 if (Opts.MathErrno) 559 Res.push_back("-fmath-errno"); 560 switch (Opts.getSignedOverflowBehavior()) { 561 case LangOptions::SOB_Undefined: break; 562 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 563 case LangOptions::SOB_Trapping: Res.push_back("-ftrapv"); break; 564 } 565 if (Opts.HeinousExtensions) 566 Res.push_back("-fheinous-gnu-extensions"); 567 // Optimize is implicit. 568 // OptimizeSize is implicit. 569 if (Opts.Static) 570 Res.push_back("-static-define"); 571 if (Opts.DumpRecordLayouts) 572 Res.push_back("-fdump-record-layouts"); 573 if (Opts.DumpVTableLayouts) 574 Res.push_back("-fdump-vtable-layouts"); 575 if (Opts.NoBitFieldTypeAlign) 576 Res.push_back("-fno-bitfield-type-alignment"); 577 if (Opts.SjLjExceptions) 578 Res.push_back("-fsjlj-exceptions"); 579 if (Opts.PICLevel) { 580 Res.push_back("-pic-level"); 581 Res.push_back(llvm::utostr(Opts.PICLevel)); 582 } 583 if (Opts.ObjCGCBitmapPrint) 584 Res.push_back("-print-ivar-layout"); 585 if (Opts.NoConstantCFStrings) 586 Res.push_back("-fno-constant-cfstrings"); 587 if (!Opts.AccessControl) 588 Res.push_back("-fno-access-control"); 589 if (!Opts.CharIsSigned) 590 Res.push_back("-fno-signed-char"); 591 if (Opts.ShortWChar) 592 Res.push_back("-fshort-wchar"); 593 if (!Opts.ElideConstructors) 594 Res.push_back("-fno-elide-constructors"); 595 if (Opts.getGCMode() != LangOptions::NonGC) { 596 if (Opts.getGCMode() == LangOptions::HybridGC) { 597 Res.push_back("-fobjc-gc"); 598 } else { 599 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 600 Res.push_back("-fobjc-gc-only"); 601 } 602 } 603 if (Opts.getVisibilityMode() != LangOptions::Default) { 604 Res.push_back("-fvisibility"); 605 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 606 Res.push_back("hidden"); 607 } else { 608 assert(Opts.getVisibilityMode() == LangOptions::Protected && 609 "Invalid visibility!"); 610 Res.push_back("protected"); 611 } 612 } 613 if (Opts.InlineVisibilityHidden) 614 Res.push_back("-fvisibility-inlines-hidden"); 615 616 if (Opts.getStackProtectorMode() != 0) { 617 Res.push_back("-stack-protector"); 618 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 619 } 620 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 621 Res.push_back("-ftemplate-depth"); 622 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 623 } 624 if (!Opts.ObjCConstantStringClass.empty()) { 625 Res.push_back("-fconstant-string-class"); 626 Res.push_back(Opts.ObjCConstantStringClass); 627 } 628 } 629 630 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 631 std::vector<std::string> &Res) { 632 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 633 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 634 Opts.Macros[i].first); 635 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 636 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 637 Res.push_back("-include"); 638 Res.push_back(Opts.Includes[i]); 639 } 640 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 641 Res.push_back("-imacros"); 642 Res.push_back(Opts.MacroIncludes[i]); 643 } 644 if (!Opts.UsePredefines) 645 Res.push_back("-undef"); 646 if (Opts.DetailedRecord) 647 Res.push_back("-detailed-preprocessing-record"); 648 if (!Opts.ImplicitPCHInclude.empty()) { 649 Res.push_back("-include-pch"); 650 Res.push_back(Opts.ImplicitPCHInclude); 651 } 652 if (!Opts.ImplicitPTHInclude.empty()) { 653 Res.push_back("-include-pth"); 654 Res.push_back(Opts.ImplicitPTHInclude); 655 } 656 if (!Opts.TokenCache.empty()) { 657 if (Opts.ImplicitPTHInclude.empty()) { 658 Res.push_back("-token-cache"); 659 Res.push_back(Opts.TokenCache); 660 } else 661 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 662 "Unsupported option combination!"); 663 } 664 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 665 Res.push_back("-remap-file"); 666 Res.push_back(Opts.RemappedFiles[i].first + ";" + 667 Opts.RemappedFiles[i].second); 668 } 669 } 670 671 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 672 std::vector<std::string> &Res) { 673 if (!Opts.ShowCPP && !Opts.ShowMacros) 674 llvm::report_fatal_error("Invalid option combination!"); 675 676 if (Opts.ShowCPP && Opts.ShowMacros) 677 Res.push_back("-dD"); 678 else if (!Opts.ShowCPP && Opts.ShowMacros) 679 Res.push_back("-dM"); 680 681 if (!Opts.ShowLineMarkers) 682 Res.push_back("-P"); 683 if (Opts.ShowComments) 684 Res.push_back("-C"); 685 if (Opts.ShowMacroComments) 686 Res.push_back("-CC"); 687 } 688 689 static void TargetOptsToArgs(const TargetOptions &Opts, 690 std::vector<std::string> &Res) { 691 Res.push_back("-triple"); 692 Res.push_back(Opts.Triple); 693 if (!Opts.CPU.empty()) { 694 Res.push_back("-target-cpu"); 695 Res.push_back(Opts.CPU); 696 } 697 if (!Opts.ABI.empty()) { 698 Res.push_back("-target-abi"); 699 Res.push_back(Opts.ABI); 700 } 701 if (!Opts.LinkerVersion.empty()) { 702 Res.push_back("-target-linker-version"); 703 Res.push_back(Opts.LinkerVersion); 704 } 705 Res.push_back("-cxx-abi"); 706 Res.push_back(Opts.CXXABI); 707 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 708 Res.push_back("-target-feature"); 709 Res.push_back(Opts.Features[i]); 710 } 711 } 712 713 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 714 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 715 CodeGenOptsToArgs(getCodeGenOpts(), Res); 716 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 717 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 718 FrontendOptsToArgs(getFrontendOpts(), Res); 719 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 720 LangOptsToArgs(getLangOpts(), Res); 721 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 722 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 723 TargetOptsToArgs(getTargetOpts(), Res); 724 } 725 726 //===----------------------------------------------------------------------===// 727 // Deserialization (to args) 728 //===----------------------------------------------------------------------===// 729 730 using namespace clang::driver; 731 using namespace clang::driver::cc1options; 732 733 // 734 735 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 736 Diagnostic &Diags) { 737 using namespace cc1options; 738 739 Opts.AnalysisList.clear(); 740 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 741 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 742 #include "clang/Frontend/Analyses.def" 743 744 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 745 llvm::StringRef Name = A->getValue(Args); 746 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 747 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 748 .Case(CMDFLAG, NAME##Model) 749 #include "clang/Frontend/Analyses.def" 750 .Default(NumStores); 751 // FIXME: Error handling. 752 if (Value == NumStores) 753 Diags.Report(diag::err_drv_invalid_value) 754 << A->getAsString(Args) << Name; 755 else 756 Opts.AnalysisStoreOpt = Value; 757 } 758 759 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 760 llvm::StringRef Name = A->getValue(Args); 761 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 762 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 763 .Case(CMDFLAG, NAME##Model) 764 #include "clang/Frontend/Analyses.def" 765 .Default(NumConstraints); 766 // FIXME: Error handling. 767 if (Value == NumConstraints) 768 Diags.Report(diag::err_drv_invalid_value) 769 << A->getAsString(Args) << Name; 770 else 771 Opts.AnalysisConstraintsOpt = Value; 772 } 773 774 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 775 llvm::StringRef Name = A->getValue(Args); 776 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 777 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 778 .Case(CMDFLAG, PD_##NAME) 779 #include "clang/Frontend/Analyses.def" 780 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 781 // FIXME: Error handling. 782 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 783 Diags.Report(diag::err_drv_invalid_value) 784 << A->getAsString(Args) << Name; 785 else 786 Opts.AnalysisDiagOpt = Value; 787 } 788 789 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 790 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 791 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 792 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 793 Opts.AnalyzeNestedBlocks = 794 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 795 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 796 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 797 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 798 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 799 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 800 Opts.EnableExperimentalInternalChecks = 801 Args.hasArg(OPT_analyzer_experimental_internal_checks); 802 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 803 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 804 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 805 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 806 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 807 } 808 809 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 810 Diagnostic &Diags) { 811 using namespace cc1options; 812 // -Os implies -O2 813 if (Args.hasArg(OPT_Os)) 814 Opts.OptimizationLevel = 2; 815 else { 816 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 817 if (Opts.OptimizationLevel > 3) { 818 Diags.Report(diag::err_drv_invalid_value) 819 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 820 Opts.OptimizationLevel = 3; 821 } 822 } 823 824 // We must always run at least the always inlining pass. 825 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 826 : CodeGenOptions::OnlyAlwaysInlining; 827 828 Opts.DebugInfo = Args.hasArg(OPT_g); 829 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 830 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 831 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 832 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 833 Opts.NoCommon = Args.hasArg(OPT_fno_common); 834 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 835 Opts.OptimizeSize = Args.hasArg(OPT_Os); 836 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 837 Args.hasArg(OPT_ffreestanding)); 838 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 839 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 840 841 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 842 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 843 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 844 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 845 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 846 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 847 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 848 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 849 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 850 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 851 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 852 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 853 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 854 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 855 856 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 857 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 858 859 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 860 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 861 862 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 863 864 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 865 llvm::StringRef Name = A->getValue(Args); 866 unsigned Method = llvm::StringSwitch<unsigned>(Name) 867 .Case("legacy", CodeGenOptions::Legacy) 868 .Case("non-legacy", CodeGenOptions::NonLegacy) 869 .Case("mixed", CodeGenOptions::Mixed) 870 .Default(~0U); 871 if (Method == ~0U) 872 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 873 else 874 Opts.ObjCDispatchMethod = Method; 875 } 876 } 877 878 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 879 ArgList &Args) { 880 using namespace cc1options; 881 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 882 Opts.Targets = Args.getAllArgValues(OPT_MT); 883 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 884 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 885 } 886 887 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 888 Diagnostic &Diags) { 889 using namespace cc1options; 890 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 891 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 892 Opts.Pedantic = Args.hasArg(OPT_pedantic); 893 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 894 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 895 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 896 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 897 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 898 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 899 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 900 901 llvm::StringRef ShowOverloads = 902 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 903 if (ShowOverloads == "best") 904 Opts.ShowOverloads = Diagnostic::Ovl_Best; 905 else if (ShowOverloads == "all") 906 Opts.ShowOverloads = Diagnostic::Ovl_All; 907 else 908 Diags.Report(diag::err_drv_invalid_value) 909 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 910 << ShowOverloads; 911 912 llvm::StringRef ShowCategory = 913 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 914 if (ShowCategory == "none") 915 Opts.ShowCategories = 0; 916 else if (ShowCategory == "id") 917 Opts.ShowCategories = 1; 918 else if (ShowCategory == "name") 919 Opts.ShowCategories = 2; 920 else 921 Diags.Report(diag::err_drv_invalid_value) 922 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 923 << ShowCategory; 924 925 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 926 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 927 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 928 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 929 Opts.MacroBacktraceLimit 930 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 931 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 932 Opts.TemplateBacktraceLimit 933 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 934 DiagnosticOptions::DefaultTemplateBacktraceLimit, 935 Diags); 936 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 937 DiagnosticOptions::DefaultTabStop, Diags); 938 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 939 Diags.Report(diag::warn_ignoring_ftabstop_value) 940 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 941 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 942 } 943 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 944 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 945 Opts.Warnings = Args.getAllArgValues(OPT_W); 946 } 947 948 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 949 Diagnostic &Diags) { 950 using namespace cc1options; 951 Opts.ProgramAction = frontend::ParseSyntaxOnly; 952 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 953 switch (A->getOption().getID()) { 954 default: 955 assert(0 && "Invalid option in group!"); 956 case OPT_ast_dump: 957 Opts.ProgramAction = frontend::ASTDump; break; 958 case OPT_ast_print: 959 Opts.ProgramAction = frontend::ASTPrint; break; 960 case OPT_ast_print_xml: 961 Opts.ProgramAction = frontend::ASTPrintXML; break; 962 case OPT_ast_view: 963 Opts.ProgramAction = frontend::ASTView; break; 964 case OPT_boostcon: 965 Opts.ProgramAction = frontend::BoostCon; break; 966 case OPT_dump_raw_tokens: 967 Opts.ProgramAction = frontend::DumpRawTokens; break; 968 case OPT_dump_tokens: 969 Opts.ProgramAction = frontend::DumpTokens; break; 970 case OPT_S: 971 Opts.ProgramAction = frontend::EmitAssembly; break; 972 case OPT_emit_llvm_bc: 973 Opts.ProgramAction = frontend::EmitBC; break; 974 case OPT_emit_html: 975 Opts.ProgramAction = frontend::EmitHTML; break; 976 case OPT_emit_llvm: 977 Opts.ProgramAction = frontend::EmitLLVM; break; 978 case OPT_emit_llvm_only: 979 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 980 case OPT_emit_codegen_only: 981 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 982 case OPT_emit_obj: 983 Opts.ProgramAction = frontend::EmitObj; break; 984 case OPT_fixit_EQ: 985 Opts.FixItSuffix = A->getValue(Args); 986 // fall-through! 987 case OPT_fixit: 988 Opts.ProgramAction = frontend::FixIt; break; 989 case OPT_emit_pch: 990 Opts.ProgramAction = frontend::GeneratePCH; break; 991 case OPT_emit_pth: 992 Opts.ProgramAction = frontend::GeneratePTH; break; 993 case OPT_init_only: 994 Opts.ProgramAction = frontend::InitOnly; break; 995 case OPT_fsyntax_only: 996 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 997 case OPT_print_decl_contexts: 998 Opts.ProgramAction = frontend::PrintDeclContext; break; 999 case OPT_print_preamble: 1000 Opts.ProgramAction = frontend::PrintPreamble; break; 1001 case OPT_E: 1002 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1003 case OPT_rewrite_macros: 1004 Opts.ProgramAction = frontend::RewriteMacros; break; 1005 case OPT_rewrite_objc: 1006 Opts.ProgramAction = frontend::RewriteObjC; break; 1007 case OPT_rewrite_test: 1008 Opts.ProgramAction = frontend::RewriteTest; break; 1009 case OPT_analyze: 1010 Opts.ProgramAction = frontend::RunAnalysis; break; 1011 case OPT_Eonly: 1012 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1013 } 1014 } 1015 1016 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1017 Opts.Plugins.push_back(A->getValue(Args,0)); 1018 Opts.ProgramAction = frontend::PluginAction; 1019 Opts.ActionName = A->getValue(Args); 1020 1021 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1022 end = Args.filtered_end(); it != end; ++it) { 1023 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1024 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1025 } 1026 } 1027 1028 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1029 Opts.CodeCompletionAt = 1030 ParsedSourceLocation::FromString(A->getValue(Args)); 1031 if (Opts.CodeCompletionAt.FileName.empty()) 1032 Diags.Report(diag::err_drv_invalid_value) 1033 << A->getAsString(Args) << A->getValue(Args); 1034 } 1035 Opts.DebugCodeCompletionPrinter = 1036 !Args.hasArg(OPT_no_code_completion_debug_printer); 1037 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1038 1039 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1040 Opts.Plugins = Args.getAllArgValues(OPT_load); 1041 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1042 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1043 Opts.ShowHelp = Args.hasArg(OPT_help); 1044 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1045 Opts.ShowCodePatternsInCodeCompletion 1046 = Args.hasArg(OPT_code_completion_patterns); 1047 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1048 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1049 Opts.ShowVersion = Args.hasArg(OPT_version); 1050 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1051 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1052 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1053 1054 InputKind DashX = IK_None; 1055 if (const Arg *A = Args.getLastArg(OPT_x)) { 1056 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1057 .Case("c", IK_C) 1058 .Case("cl", IK_OpenCL) 1059 .Case("c", IK_C) 1060 .Case("cl", IK_OpenCL) 1061 .Case("c++", IK_CXX) 1062 .Case("objective-c", IK_ObjC) 1063 .Case("objective-c++", IK_ObjCXX) 1064 .Case("cpp-output", IK_PreprocessedC) 1065 .Case("assembler-with-cpp", IK_Asm) 1066 .Case("c++-cpp-output", IK_PreprocessedCXX) 1067 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1068 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1069 .Case("c-header", IK_C) 1070 .Case("objective-c-header", IK_ObjC) 1071 .Case("c++-header", IK_CXX) 1072 .Case("objective-c++-header", IK_ObjCXX) 1073 .Case("ast", IK_AST) 1074 .Case("ir", IK_LLVM_IR) 1075 .Default(IK_None); 1076 if (DashX == IK_None) 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << A->getAsString(Args) << A->getValue(Args); 1079 } 1080 1081 // '-' is the default input if none is given. 1082 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1083 Opts.Inputs.clear(); 1084 if (Inputs.empty()) 1085 Inputs.push_back("-"); 1086 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1087 InputKind IK = DashX; 1088 if (IK == IK_None) { 1089 IK = FrontendOptions::getInputKindForExtension( 1090 llvm::StringRef(Inputs[i]).rsplit('.').second); 1091 // FIXME: Remove this hack. 1092 if (i == 0) 1093 DashX = IK; 1094 } 1095 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1096 } 1097 1098 return DashX; 1099 } 1100 1101 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1102 void *MainAddr) { 1103 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1104 1105 if (!P.isEmpty()) { 1106 P.eraseComponent(); // Remove /clang from foo/bin/clang 1107 P.eraseComponent(); // Remove /bin from foo/bin 1108 1109 // Get foo/lib/clang/<version>/include 1110 P.appendComponent("lib"); 1111 P.appendComponent("clang"); 1112 P.appendComponent(CLANG_VERSION_STRING); 1113 } 1114 1115 return P.str(); 1116 } 1117 1118 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1119 using namespace cc1options; 1120 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1121 Opts.Verbose = Args.hasArg(OPT_v); 1122 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1123 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1124 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1125 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1126 1127 // Add -I... and -F... options in order. 1128 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1129 ie = Args.filtered_end(); it != ie; ++it) 1130 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1131 /*IsFramework=*/ (*it)->getOption().matches(OPT_F)); 1132 1133 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1134 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1135 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1136 OPT_iwithprefixbefore), 1137 ie = Args.filtered_end(); it != ie; ++it) { 1138 const Arg *A = *it; 1139 if (A->getOption().matches(OPT_iprefix)) 1140 Prefix = A->getValue(Args); 1141 else if (A->getOption().matches(OPT_iwithprefix)) 1142 Opts.AddPath(Prefix.str() + A->getValue(Args), 1143 frontend::System, false, false); 1144 else 1145 Opts.AddPath(Prefix.str() + A->getValue(Args), 1146 frontend::Angled, false, false); 1147 } 1148 1149 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1150 ie = Args.filtered_end(); it != ie; ++it) 1151 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false); 1152 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1153 ie = Args.filtered_end(); it != ie; ++it) 1154 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false); 1155 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1156 ie = Args.filtered_end(); it != ie; ++it) 1157 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false); 1158 1159 // FIXME: Need options for the various environment variables! 1160 } 1161 1162 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1163 Diagnostic &Diags) { 1164 // FIXME: Cleanup per-file based stuff. 1165 1166 // Set some properties which depend soley on the input kind; it would be nice 1167 // to move these to the language standard, and have the driver resolve the 1168 // input kind + language standard. 1169 if (IK == IK_Asm) { 1170 Opts.AsmPreprocessor = 1; 1171 } else if (IK == IK_ObjC || 1172 IK == IK_ObjCXX || 1173 IK == IK_PreprocessedObjC || 1174 IK == IK_PreprocessedObjCXX) { 1175 Opts.ObjC1 = Opts.ObjC2 = 1; 1176 } 1177 1178 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1179 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1180 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1181 #define LANGSTANDARD(id, name, desc, features) \ 1182 .Case(name, LangStandard::lang_##id) 1183 #include "clang/Frontend/LangStandards.def" 1184 .Default(LangStandard::lang_unspecified); 1185 if (LangStd == LangStandard::lang_unspecified) 1186 Diags.Report(diag::err_drv_invalid_value) 1187 << A->getAsString(Args) << A->getValue(Args); 1188 } 1189 1190 if (LangStd == LangStandard::lang_unspecified) { 1191 // Based on the base language, pick one. 1192 switch (IK) { 1193 case IK_None: 1194 case IK_AST: 1195 case IK_LLVM_IR: 1196 assert(0 && "Invalid input kind!"); 1197 case IK_OpenCL: 1198 LangStd = LangStandard::lang_opencl; 1199 break; 1200 case IK_Asm: 1201 case IK_C: 1202 case IK_PreprocessedC: 1203 case IK_ObjC: 1204 case IK_PreprocessedObjC: 1205 LangStd = LangStandard::lang_gnu99; 1206 break; 1207 case IK_CXX: 1208 case IK_PreprocessedCXX: 1209 case IK_ObjCXX: 1210 case IK_PreprocessedObjCXX: 1211 LangStd = LangStandard::lang_gnucxx98; 1212 break; 1213 } 1214 } 1215 1216 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1217 Opts.BCPLComment = Std.hasBCPLComments(); 1218 Opts.C99 = Std.isC99(); 1219 Opts.CPlusPlus = Std.isCPlusPlus(); 1220 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1221 Opts.Digraphs = Std.hasDigraphs(); 1222 Opts.GNUMode = Std.isGNUMode(); 1223 Opts.GNUInline = !Std.isC99(); 1224 Opts.HexFloats = Std.hasHexFloats(); 1225 Opts.ImplicitInt = Std.hasImplicitInt(); 1226 1227 // OpenCL has some additional defaults. 1228 if (LangStd == LangStandard::lang_opencl) { 1229 Opts.OpenCL = 1; 1230 Opts.AltiVec = 1; 1231 Opts.CXXOperatorNames = 1; 1232 Opts.LaxVectorConversions = 1; 1233 } 1234 1235 // OpenCL and C++ both have bool, true, false keywords. 1236 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1237 1238 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1239 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1240 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1241 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1242 // name, as it doesn't seem a useful distinction. 1243 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1244 Opts.GNUMode); 1245 1246 if (Opts.CPlusPlus) 1247 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1248 1249 if (Args.hasArg(OPT_fobjc_gc_only)) 1250 Opts.setGCMode(LangOptions::GCOnly); 1251 else if (Args.hasArg(OPT_fobjc_gc)) 1252 Opts.setGCMode(LangOptions::HybridGC); 1253 1254 if (Args.hasArg(OPT_print_ivar_layout)) 1255 Opts.ObjCGCBitmapPrint = 1; 1256 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1257 Opts.NoConstantCFStrings = 1; 1258 1259 if (Args.hasArg(OPT_faltivec)) 1260 Opts.AltiVec = 1; 1261 1262 if (Args.hasArg(OPT_pthread)) 1263 Opts.POSIXThreads = 1; 1264 1265 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1266 if (Vis == "default") 1267 Opts.setVisibilityMode(LangOptions::Default); 1268 else if (Vis == "hidden") 1269 Opts.setVisibilityMode(LangOptions::Hidden); 1270 else if (Vis == "protected") 1271 Opts.setVisibilityMode(LangOptions::Protected); 1272 else 1273 Diags.Report(diag::err_drv_invalid_value) 1274 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1275 1276 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1277 Opts.InlineVisibilityHidden = 1; 1278 1279 if (Args.hasArg(OPT_ftrapv)) 1280 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1281 else if (Args.hasArg(OPT_fwrapv)) 1282 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1283 1284 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1285 // is specified, or -std is set to a conforming mode. 1286 Opts.Trigraphs = !Opts.GNUMode; 1287 if (Args.hasArg(OPT_trigraphs)) 1288 Opts.Trigraphs = 1; 1289 1290 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1291 OPT_fno_dollars_in_identifiers, 1292 !Opts.AsmPreprocessor); 1293 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1294 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1295 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1296 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1297 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1298 Opts.LaxVectorConversions = 0; 1299 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1300 Opts.ThreadsafeStatics = 0; 1301 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1302 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1303 Opts.Blocks = Args.hasArg(OPT_fblocks); 1304 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1305 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1306 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1307 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1308 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1309 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1310 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1311 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1312 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1313 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1314 Diags); 1315 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1316 Opts.ObjCConstantStringClass = 1317 Args.getLastArgValue(OPT_fconstant_string_class); 1318 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1319 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1320 if (Opts.ObjCNonFragileABI2) 1321 Opts.ObjCNonFragileABI = true; 1322 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1323 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1324 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1325 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1326 Opts.Static = Args.hasArg(OPT_static_define); 1327 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1328 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1329 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1330 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1331 Opts.OptimizeSize = 0; 1332 1333 // FIXME: Eliminate this dependency. 1334 unsigned Opt = 1335 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1336 Opts.Optimize = Opt != 0; 1337 1338 // This is the __NO_INLINE__ define, which just depends on things like the 1339 // optimization level and -fno-inline, not actually whether the backend has 1340 // inlining enabled. 1341 // 1342 // FIXME: This is affected by other options (-fno-inline). 1343 Opts.NoInline = !Opt; 1344 1345 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1346 switch (SSP) { 1347 default: 1348 Diags.Report(diag::err_drv_invalid_value) 1349 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1350 break; 1351 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1352 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1353 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1354 } 1355 } 1356 1357 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1358 Diagnostic &Diags) { 1359 using namespace cc1options; 1360 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1361 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1362 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1363 Opts.TokenCache = A->getValue(Args); 1364 else 1365 Opts.TokenCache = Opts.ImplicitPTHInclude; 1366 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1367 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1368 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1369 1370 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1371 llvm::StringRef Value(A->getValue(Args)); 1372 size_t Comma = Value.find(','); 1373 unsigned Bytes = 0; 1374 unsigned EndOfLine = 0; 1375 1376 if (Comma == llvm::StringRef::npos || 1377 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1378 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1379 Diags.Report(diag::err_drv_preamble_format); 1380 else { 1381 Opts.PrecompiledPreambleBytes.first = Bytes; 1382 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1383 } 1384 } 1385 1386 // Add macros from the command line. 1387 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1388 ie = Args.filtered_end(); it != ie; ++it) { 1389 if ((*it)->getOption().matches(OPT_D)) 1390 Opts.addMacroDef((*it)->getValue(Args)); 1391 else 1392 Opts.addMacroUndef((*it)->getValue(Args)); 1393 } 1394 1395 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1396 1397 // Add the ordered list of -includes. 1398 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1399 OPT_include_pth), 1400 ie = Args.filtered_end(); it != ie; ++it) { 1401 const Arg *A = *it; 1402 // PCH is handled specially, we need to extra the original include path. 1403 if (A->getOption().matches(OPT_include_pch)) { 1404 std::string OriginalFile = 1405 PCHReader::getOriginalSourceFile(A->getValue(Args), Diags); 1406 if (OriginalFile.empty()) 1407 continue; 1408 1409 Opts.Includes.push_back(OriginalFile); 1410 } else 1411 Opts.Includes.push_back(A->getValue(Args)); 1412 } 1413 1414 // Include 'altivec.h' if -faltivec option present 1415 if (Args.hasArg(OPT_faltivec)) 1416 Opts.Includes.push_back("altivec.h"); 1417 1418 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1419 ie = Args.filtered_end(); it != ie; ++it) { 1420 const Arg *A = *it; 1421 std::pair<llvm::StringRef,llvm::StringRef> Split = 1422 llvm::StringRef(A->getValue(Args)).split(';'); 1423 1424 if (Split.second.empty()) { 1425 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1426 continue; 1427 } 1428 1429 Opts.addRemappedFile(Split.first, Split.second); 1430 } 1431 } 1432 1433 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1434 ArgList &Args) { 1435 using namespace cc1options; 1436 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1437 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1438 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1439 Opts.ShowComments = Args.hasArg(OPT_C); 1440 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1441 } 1442 1443 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1444 using namespace cc1options; 1445 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1446 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1447 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1448 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1449 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1450 Opts.Triple = Args.getLastArgValue(OPT_triple); 1451 1452 // Use the host triple if unspecified. 1453 if (Opts.Triple.empty()) 1454 Opts.Triple = llvm::sys::getHostTriple(); 1455 1456 // Use the Itanium C++ ABI if unspecified. 1457 if (Opts.CXXABI.empty()) 1458 Opts.CXXABI = "itanium"; 1459 } 1460 1461 // 1462 1463 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1464 const char **ArgBegin, 1465 const char **ArgEnd, 1466 Diagnostic &Diags) { 1467 // Parse the arguments. 1468 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1469 unsigned MissingArgIndex, MissingArgCount; 1470 llvm::OwningPtr<InputArgList> Args( 1471 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1472 1473 // Check for missing argument error. 1474 if (MissingArgCount) 1475 Diags.Report(diag::err_drv_missing_argument) 1476 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1477 1478 // Issue errors on unknown arguments. 1479 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1480 ie = Args->filtered_end(); it != ie; ++it) 1481 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1482 1483 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1484 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1485 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1486 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1487 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1488 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1489 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1490 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1491 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1492 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1493 ParseTargetArgs(Res.getTargetOpts(), *Args); 1494 } 1495