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::CreateModule: return "-create-module"; 323 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 324 case frontend::DumpTokens: return "-dump-tokens"; 325 case frontend::EmitAssembly: return "-S"; 326 case frontend::EmitBC: return "-emit-llvm-bc"; 327 case frontend::EmitHTML: return "-emit-html"; 328 case frontend::EmitLLVM: return "-emit-llvm"; 329 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 330 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 331 case frontend::EmitObj: return "-emit-obj"; 332 case frontend::FixIt: return "-fixit"; 333 case frontend::GeneratePCH: return "-emit-pch"; 334 case frontend::GeneratePTH: return "-emit-pth"; 335 case frontend::InitOnly: return "-init-only"; 336 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 337 case frontend::PrintDeclContext: return "-print-decl-contexts"; 338 case frontend::PrintPreamble: return "-print-preamble"; 339 case frontend::PrintPreprocessedInput: return "-E"; 340 case frontend::RewriteMacros: return "-rewrite-macros"; 341 case frontend::RewriteObjC: return "-rewrite-objc"; 342 case frontend::RewriteTest: return "-rewrite-test"; 343 case frontend::RunAnalysis: return "-analyze"; 344 case frontend::RunPreprocessorOnly: return "-Eonly"; 345 } 346 347 llvm_unreachable("Unexpected language kind!"); 348 return 0; 349 } 350 351 static void FrontendOptsToArgs(const FrontendOptions &Opts, 352 std::vector<std::string> &Res) { 353 if (!Opts.DebugCodeCompletionPrinter) 354 Res.push_back("-no-code-completion-debug-printer"); 355 if (Opts.DisableFree) 356 Res.push_back("-disable-free"); 357 if (Opts.RelocatablePCH) 358 Res.push_back("-relocatable-pch"); 359 if (Opts.ChainedPCH) 360 Res.push_back("-chained-pch"); 361 if (Opts.ShowHelp) 362 Res.push_back("-help"); 363 if (Opts.ShowMacrosInCodeCompletion) 364 Res.push_back("-code-completion-macros"); 365 if (Opts.ShowCodePatternsInCodeCompletion) 366 Res.push_back("-code-completion-patterns"); 367 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 368 Res.push_back("-no-code-completion-globals"); 369 if (Opts.ShowStats) 370 Res.push_back("-print-stats"); 371 if (Opts.ShowTimers) 372 Res.push_back("-ftime-report"); 373 if (Opts.ShowVersion) 374 Res.push_back("-version"); 375 if (Opts.FixWhatYouCan) 376 Res.push_back("-fix-what-you-can"); 377 378 bool NeedLang = false; 379 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 380 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 381 Opts.Inputs[i].first) 382 NeedLang = true; 383 if (NeedLang) { 384 Res.push_back("-x"); 385 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 386 } 387 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 388 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 389 "Unable to represent this input vector!"); 390 Res.push_back(Opts.Inputs[i].second); 391 } 392 393 if (!Opts.OutputFile.empty()) { 394 Res.push_back("-o"); 395 Res.push_back(Opts.OutputFile); 396 } 397 if (!Opts.ViewClassInheritance.empty()) { 398 Res.push_back("-cxx-inheritance-view"); 399 Res.push_back(Opts.ViewClassInheritance); 400 } 401 if (!Opts.CodeCompletionAt.FileName.empty()) { 402 Res.push_back("-code-completion-at"); 403 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 404 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 405 llvm::utostr(Opts.CodeCompletionAt.Column)); 406 } 407 if (Opts.ProgramAction != frontend::InheritanceView && 408 Opts.ProgramAction != frontend::PluginAction) 409 Res.push_back(getActionName(Opts.ProgramAction)); 410 if (!Opts.ActionName.empty()) { 411 Res.push_back("-plugin"); 412 Res.push_back(Opts.ActionName); 413 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 414 Res.push_back("-plugin-arg-" + Opts.ActionName); 415 Res.push_back(Opts.PluginArgs[i]); 416 } 417 } 418 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 419 Res.push_back("-load"); 420 Res.push_back(Opts.Plugins[i]); 421 } 422 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 423 Res.push_back("-ast-merge"); 424 Res.push_back(Opts.ASTMergeFiles[i]); 425 } 426 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 427 Res.push_back("-import-module"); 428 Res.push_back(Opts.Modules[i]); 429 } 430 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 431 Res.push_back("-mllvm"); 432 Res.push_back(Opts.LLVMArgs[i]); 433 } 434 } 435 436 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 437 std::vector<std::string> &Res) { 438 if (Opts.Sysroot != "/") { 439 Res.push_back("-isysroot"); 440 Res.push_back(Opts.Sysroot); 441 } 442 443 /// User specified include entries. 444 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 445 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 446 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 447 llvm::report_fatal_error("Invalid option set!"); 448 if (E.IsUserSupplied) { 449 if (E.Group == frontend::After) { 450 Res.push_back("-idirafter"); 451 } else if (E.Group == frontend::Quoted) { 452 Res.push_back("-iquote"); 453 } else if (E.Group == frontend::System) { 454 Res.push_back("-isystem"); 455 } else { 456 assert(E.Group == frontend::Angled && "Invalid group!"); 457 Res.push_back(E.IsFramework ? "-F" : "-I"); 458 } 459 } else { 460 if (E.Group != frontend::Angled && E.Group != frontend::System) 461 llvm::report_fatal_error("Invalid option set!"); 462 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 463 "-iwithprefix"); 464 } 465 Res.push_back(E.Path); 466 } 467 468 if (!Opts.EnvIncPath.empty()) { 469 // FIXME: Provide an option for this, and move env detection to driver. 470 llvm::report_fatal_error("Not yet implemented!"); 471 } 472 if (!Opts.CEnvIncPath.empty()) { 473 // FIXME: Provide an option for this, and move env detection to driver. 474 llvm::report_fatal_error("Not yet implemented!"); 475 } 476 if (!Opts.ObjCEnvIncPath.empty()) { 477 // FIXME: Provide an option for this, and move env detection to driver. 478 llvm::report_fatal_error("Not yet implemented!"); 479 } 480 if (!Opts.CXXEnvIncPath.empty()) { 481 // FIXME: Provide an option for this, and move env detection to driver. 482 llvm::report_fatal_error("Not yet implemented!"); 483 } 484 if (!Opts.ObjCXXEnvIncPath.empty()) { 485 // FIXME: Provide an option for this, and move env detection to driver. 486 llvm::report_fatal_error("Not yet implemented!"); 487 } 488 if (!Opts.ResourceDir.empty()) { 489 Res.push_back("-resource-dir"); 490 Res.push_back(Opts.ResourceDir); 491 } 492 if (!Opts.UseStandardIncludes) 493 Res.push_back("-nostdinc"); 494 if (!Opts.UseStandardCXXIncludes) 495 Res.push_back("-nostdinc++"); 496 if (Opts.Verbose) 497 Res.push_back("-v"); 498 } 499 500 static void LangOptsToArgs(const LangOptions &Opts, 501 std::vector<std::string> &Res) { 502 LangOptions DefaultLangOpts; 503 504 // FIXME: Need to set -std to get all the implicit options. 505 506 // FIXME: We want to only pass options relative to the defaults, which 507 // requires constructing a target. :( 508 // 509 // It would be better to push the all target specific choices into the driver, 510 // so that everything below that was more uniform. 511 512 if (Opts.Trigraphs) 513 Res.push_back("-trigraphs"); 514 // Implicit based on the input kind: 515 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 516 // Implicit based on the input language standard: 517 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 518 if (Opts.DollarIdents) 519 Res.push_back("-fdollars-in-identifiers"); 520 if (Opts.GNUMode && !Opts.GNUKeywords) 521 Res.push_back("-fno-gnu-keywords"); 522 if (!Opts.GNUMode && Opts.GNUKeywords) 523 Res.push_back("-fgnu-keywords"); 524 if (Opts.Microsoft) 525 Res.push_back("-fms-extensions"); 526 if (Opts.ObjCNonFragileABI) 527 Res.push_back("-fobjc-nonfragile-abi"); 528 if (Opts.ObjCNonFragileABI2) 529 Res.push_back("-fobjc-nonfragile-abi2"); 530 // NoInline is implicit. 531 if (!Opts.CXXOperatorNames) 532 Res.push_back("-fno-operator-names"); 533 if (Opts.PascalStrings) 534 Res.push_back("-fpascal-strings"); 535 if (Opts.CatchUndefined) 536 Res.push_back("-fcatch-undefined-behavior"); 537 if (Opts.WritableStrings) 538 Res.push_back("-fwritable-strings"); 539 if (Opts.ConstStrings) 540 Res.push_back("-Wwrite-strings"); 541 if (!Opts.LaxVectorConversions) 542 Res.push_back("-fno-lax-vector-conversions"); 543 if (Opts.AltiVec) 544 Res.push_back("-faltivec"); 545 if (Opts.Exceptions) 546 Res.push_back("-fexceptions"); 547 if (Opts.SjLjExceptions) 548 Res.push_back("-fsjlj-exceptions"); 549 if (!Opts.RTTI) 550 Res.push_back("-fno-rtti"); 551 if (!Opts.NeXTRuntime) 552 Res.push_back("-fgnu-runtime"); 553 if (Opts.Freestanding) 554 Res.push_back("-ffreestanding"); 555 if (Opts.NoBuiltin) 556 Res.push_back("-fno-builtin"); 557 if (!Opts.AssumeSaneOperatorNew) 558 Res.push_back("-fno-assume-sane-operator-new"); 559 if (!Opts.ThreadsafeStatics) 560 Res.push_back("-fno-threadsafe-statics"); 561 if (Opts.POSIXThreads) 562 Res.push_back("-pthread"); 563 if (Opts.Blocks) 564 Res.push_back("-fblocks"); 565 if (Opts.EmitAllDecls) 566 Res.push_back("-femit-all-decls"); 567 if (Opts.MathErrno) 568 Res.push_back("-fmath-errno"); 569 switch (Opts.getSignedOverflowBehavior()) { 570 case LangOptions::SOB_Undefined: break; 571 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 572 case LangOptions::SOB_Trapping: Res.push_back("-ftrapv"); break; 573 } 574 if (Opts.HeinousExtensions) 575 Res.push_back("-fheinous-gnu-extensions"); 576 // Optimize is implicit. 577 // OptimizeSize is implicit. 578 if (Opts.Static) 579 Res.push_back("-static-define"); 580 if (Opts.DumpRecordLayouts) 581 Res.push_back("-fdump-record-layouts"); 582 if (Opts.DumpVTableLayouts) 583 Res.push_back("-fdump-vtable-layouts"); 584 if (Opts.NoBitFieldTypeAlign) 585 Res.push_back("-fno-bitfield-type-alignment"); 586 if (Opts.SjLjExceptions) 587 Res.push_back("-fsjlj-exceptions"); 588 if (Opts.PICLevel) { 589 Res.push_back("-pic-level"); 590 Res.push_back(llvm::utostr(Opts.PICLevel)); 591 } 592 if (Opts.ObjCGCBitmapPrint) 593 Res.push_back("-print-ivar-layout"); 594 if (Opts.NoConstantCFStrings) 595 Res.push_back("-fno-constant-cfstrings"); 596 if (!Opts.AccessControl) 597 Res.push_back("-fno-access-control"); 598 if (!Opts.CharIsSigned) 599 Res.push_back("-fno-signed-char"); 600 if (Opts.ShortWChar) 601 Res.push_back("-fshort-wchar"); 602 if (!Opts.ElideConstructors) 603 Res.push_back("-fno-elide-constructors"); 604 if (Opts.getGCMode() != LangOptions::NonGC) { 605 if (Opts.getGCMode() == LangOptions::HybridGC) { 606 Res.push_back("-fobjc-gc"); 607 } else { 608 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 609 Res.push_back("-fobjc-gc-only"); 610 } 611 } 612 if (Opts.getVisibilityMode() != LangOptions::Default) { 613 Res.push_back("-fvisibility"); 614 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 615 Res.push_back("hidden"); 616 } else { 617 assert(Opts.getVisibilityMode() == LangOptions::Protected && 618 "Invalid visibility!"); 619 Res.push_back("protected"); 620 } 621 } 622 if (Opts.InlineVisibilityHidden) 623 Res.push_back("-fvisibility-inlines-hidden"); 624 625 if (Opts.getStackProtectorMode() != 0) { 626 Res.push_back("-stack-protector"); 627 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 628 } 629 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 630 Res.push_back("-ftemplate-depth"); 631 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 632 } 633 if (!Opts.ObjCConstantStringClass.empty()) { 634 Res.push_back("-fconstant-string-class"); 635 Res.push_back(Opts.ObjCConstantStringClass); 636 } 637 } 638 639 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 640 std::vector<std::string> &Res) { 641 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 642 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 643 Opts.Macros[i].first); 644 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 645 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 646 Res.push_back("-include"); 647 Res.push_back(Opts.Includes[i]); 648 } 649 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 650 Res.push_back("-imacros"); 651 Res.push_back(Opts.MacroIncludes[i]); 652 } 653 if (!Opts.UsePredefines) 654 Res.push_back("-undef"); 655 if (Opts.DetailedRecord) 656 Res.push_back("-detailed-preprocessing-record"); 657 if (!Opts.ImplicitPCHInclude.empty()) { 658 Res.push_back("-include-pch"); 659 Res.push_back(Opts.ImplicitPCHInclude); 660 } 661 if (!Opts.ImplicitPTHInclude.empty()) { 662 Res.push_back("-include-pth"); 663 Res.push_back(Opts.ImplicitPTHInclude); 664 } 665 if (!Opts.TokenCache.empty()) { 666 if (Opts.ImplicitPTHInclude.empty()) { 667 Res.push_back("-token-cache"); 668 Res.push_back(Opts.TokenCache); 669 } else 670 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 671 "Unsupported option combination!"); 672 } 673 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 674 Res.push_back("-remap-file"); 675 Res.push_back(Opts.RemappedFiles[i].first + ";" + 676 Opts.RemappedFiles[i].second); 677 } 678 } 679 680 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 681 std::vector<std::string> &Res) { 682 if (!Opts.ShowCPP && !Opts.ShowMacros) 683 llvm::report_fatal_error("Invalid option combination!"); 684 685 if (Opts.ShowCPP && Opts.ShowMacros) 686 Res.push_back("-dD"); 687 else if (!Opts.ShowCPP && Opts.ShowMacros) 688 Res.push_back("-dM"); 689 690 if (!Opts.ShowLineMarkers) 691 Res.push_back("-P"); 692 if (Opts.ShowComments) 693 Res.push_back("-C"); 694 if (Opts.ShowMacroComments) 695 Res.push_back("-CC"); 696 } 697 698 static void TargetOptsToArgs(const TargetOptions &Opts, 699 std::vector<std::string> &Res) { 700 Res.push_back("-triple"); 701 Res.push_back(Opts.Triple); 702 if (!Opts.CPU.empty()) { 703 Res.push_back("-target-cpu"); 704 Res.push_back(Opts.CPU); 705 } 706 if (!Opts.ABI.empty()) { 707 Res.push_back("-target-abi"); 708 Res.push_back(Opts.ABI); 709 } 710 if (!Opts.LinkerVersion.empty()) { 711 Res.push_back("-target-linker-version"); 712 Res.push_back(Opts.LinkerVersion); 713 } 714 Res.push_back("-cxx-abi"); 715 Res.push_back(Opts.CXXABI); 716 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 717 Res.push_back("-target-feature"); 718 Res.push_back(Opts.Features[i]); 719 } 720 } 721 722 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 723 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 724 CodeGenOptsToArgs(getCodeGenOpts(), Res); 725 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 726 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 727 FrontendOptsToArgs(getFrontendOpts(), Res); 728 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 729 LangOptsToArgs(getLangOpts(), Res); 730 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 731 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 732 TargetOptsToArgs(getTargetOpts(), Res); 733 } 734 735 //===----------------------------------------------------------------------===// 736 // Deserialization (to args) 737 //===----------------------------------------------------------------------===// 738 739 using namespace clang::driver; 740 using namespace clang::driver::cc1options; 741 742 // 743 744 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 745 Diagnostic &Diags) { 746 using namespace cc1options; 747 748 Opts.AnalysisList.clear(); 749 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 750 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 751 #include "clang/Frontend/Analyses.def" 752 753 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 754 llvm::StringRef Name = A->getValue(Args); 755 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 756 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 757 .Case(CMDFLAG, NAME##Model) 758 #include "clang/Frontend/Analyses.def" 759 .Default(NumStores); 760 // FIXME: Error handling. 761 if (Value == NumStores) 762 Diags.Report(diag::err_drv_invalid_value) 763 << A->getAsString(Args) << Name; 764 else 765 Opts.AnalysisStoreOpt = Value; 766 } 767 768 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 769 llvm::StringRef Name = A->getValue(Args); 770 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 771 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 772 .Case(CMDFLAG, NAME##Model) 773 #include "clang/Frontend/Analyses.def" 774 .Default(NumConstraints); 775 // FIXME: Error handling. 776 if (Value == NumConstraints) 777 Diags.Report(diag::err_drv_invalid_value) 778 << A->getAsString(Args) << Name; 779 else 780 Opts.AnalysisConstraintsOpt = Value; 781 } 782 783 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 784 llvm::StringRef Name = A->getValue(Args); 785 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 786 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 787 .Case(CMDFLAG, PD_##NAME) 788 #include "clang/Frontend/Analyses.def" 789 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 790 // FIXME: Error handling. 791 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 792 Diags.Report(diag::err_drv_invalid_value) 793 << A->getAsString(Args) << Name; 794 else 795 Opts.AnalysisDiagOpt = Value; 796 } 797 798 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 799 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 800 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 801 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 802 Opts.AnalyzeNestedBlocks = 803 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 804 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 805 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 806 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 807 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 808 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 809 Opts.EnableExperimentalInternalChecks = 810 Args.hasArg(OPT_analyzer_experimental_internal_checks); 811 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 812 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 813 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 814 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 815 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 816 } 817 818 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 819 Diagnostic &Diags) { 820 using namespace cc1options; 821 // -Os implies -O2 822 if (Args.hasArg(OPT_Os)) 823 Opts.OptimizationLevel = 2; 824 else { 825 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 826 if (Opts.OptimizationLevel > 3) { 827 Diags.Report(diag::err_drv_invalid_value) 828 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 829 Opts.OptimizationLevel = 3; 830 } 831 } 832 833 // We must always run at least the always inlining pass. 834 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 835 : CodeGenOptions::OnlyAlwaysInlining; 836 837 Opts.DebugInfo = Args.hasArg(OPT_g); 838 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 839 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 840 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 841 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 842 Opts.NoCommon = Args.hasArg(OPT_fno_common); 843 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 844 Opts.OptimizeSize = Args.hasArg(OPT_Os); 845 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 846 Args.hasArg(OPT_ffreestanding)); 847 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 848 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 849 850 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 851 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 852 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 853 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 854 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 855 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 856 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 857 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 858 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 859 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 860 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 861 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 862 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 863 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 864 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 865 866 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 867 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 868 869 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 870 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 871 872 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 873 874 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 875 llvm::StringRef Name = A->getValue(Args); 876 unsigned Method = llvm::StringSwitch<unsigned>(Name) 877 .Case("legacy", CodeGenOptions::Legacy) 878 .Case("non-legacy", CodeGenOptions::NonLegacy) 879 .Case("mixed", CodeGenOptions::Mixed) 880 .Default(~0U); 881 if (Method == ~0U) 882 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 883 else 884 Opts.ObjCDispatchMethod = Method; 885 } 886 } 887 888 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 889 ArgList &Args) { 890 using namespace cc1options; 891 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 892 Opts.Targets = Args.getAllArgValues(OPT_MT); 893 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 894 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 895 } 896 897 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 898 Diagnostic &Diags) { 899 using namespace cc1options; 900 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 901 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 902 Opts.Pedantic = Args.hasArg(OPT_pedantic); 903 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 904 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 905 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 906 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 907 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 908 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 909 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 910 911 llvm::StringRef ShowOverloads = 912 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 913 if (ShowOverloads == "best") 914 Opts.ShowOverloads = Diagnostic::Ovl_Best; 915 else if (ShowOverloads == "all") 916 Opts.ShowOverloads = Diagnostic::Ovl_All; 917 else 918 Diags.Report(diag::err_drv_invalid_value) 919 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 920 << ShowOverloads; 921 922 llvm::StringRef ShowCategory = 923 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 924 if (ShowCategory == "none") 925 Opts.ShowCategories = 0; 926 else if (ShowCategory == "id") 927 Opts.ShowCategories = 1; 928 else if (ShowCategory == "name") 929 Opts.ShowCategories = 2; 930 else 931 Diags.Report(diag::err_drv_invalid_value) 932 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 933 << ShowCategory; 934 935 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 936 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 937 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 938 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 939 Opts.MacroBacktraceLimit 940 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 941 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 942 Opts.TemplateBacktraceLimit 943 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 944 DiagnosticOptions::DefaultTemplateBacktraceLimit, 945 Diags); 946 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 947 DiagnosticOptions::DefaultTabStop, Diags); 948 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 949 Diags.Report(diag::warn_ignoring_ftabstop_value) 950 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 951 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 952 } 953 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 954 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 955 Opts.Warnings = Args.getAllArgValues(OPT_W); 956 } 957 958 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 959 Diagnostic &Diags) { 960 using namespace cc1options; 961 Opts.ProgramAction = frontend::ParseSyntaxOnly; 962 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 963 switch (A->getOption().getID()) { 964 default: 965 assert(0 && "Invalid option in group!"); 966 case OPT_ast_dump: 967 Opts.ProgramAction = frontend::ASTDump; break; 968 case OPT_ast_print: 969 Opts.ProgramAction = frontend::ASTPrint; break; 970 case OPT_ast_print_xml: 971 Opts.ProgramAction = frontend::ASTPrintXML; break; 972 case OPT_ast_view: 973 Opts.ProgramAction = frontend::ASTView; break; 974 case OPT_boostcon: 975 Opts.ProgramAction = frontend::BoostCon; break; 976 case OPT_dump_raw_tokens: 977 Opts.ProgramAction = frontend::DumpRawTokens; break; 978 case OPT_dump_tokens: 979 Opts.ProgramAction = frontend::DumpTokens; break; 980 case OPT_S: 981 Opts.ProgramAction = frontend::EmitAssembly; break; 982 case OPT_emit_llvm_bc: 983 Opts.ProgramAction = frontend::EmitBC; break; 984 case OPT_emit_html: 985 Opts.ProgramAction = frontend::EmitHTML; break; 986 case OPT_emit_llvm: 987 Opts.ProgramAction = frontend::EmitLLVM; break; 988 case OPT_emit_llvm_only: 989 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 990 case OPT_emit_codegen_only: 991 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 992 case OPT_emit_obj: 993 Opts.ProgramAction = frontend::EmitObj; break; 994 case OPT_fixit_EQ: 995 Opts.FixItSuffix = A->getValue(Args); 996 // fall-through! 997 case OPT_fixit: 998 Opts.ProgramAction = frontend::FixIt; break; 999 case OPT_emit_pch: 1000 Opts.ProgramAction = frontend::GeneratePCH; break; 1001 case OPT_emit_pth: 1002 Opts.ProgramAction = frontend::GeneratePTH; break; 1003 case OPT_init_only: 1004 Opts.ProgramAction = frontend::InitOnly; break; 1005 case OPT_fsyntax_only: 1006 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1007 case OPT_print_decl_contexts: 1008 Opts.ProgramAction = frontend::PrintDeclContext; break; 1009 case OPT_print_preamble: 1010 Opts.ProgramAction = frontend::PrintPreamble; break; 1011 case OPT_E: 1012 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1013 case OPT_rewrite_macros: 1014 Opts.ProgramAction = frontend::RewriteMacros; break; 1015 case OPT_rewrite_objc: 1016 Opts.ProgramAction = frontend::RewriteObjC; break; 1017 case OPT_rewrite_test: 1018 Opts.ProgramAction = frontend::RewriteTest; break; 1019 case OPT_analyze: 1020 Opts.ProgramAction = frontend::RunAnalysis; break; 1021 case OPT_Eonly: 1022 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1023 case OPT_create_module: 1024 Opts.ProgramAction = frontend::CreateModule; break; 1025 } 1026 } 1027 1028 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1029 Opts.Plugins.push_back(A->getValue(Args,0)); 1030 Opts.ProgramAction = frontend::PluginAction; 1031 Opts.ActionName = A->getValue(Args); 1032 1033 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1034 end = Args.filtered_end(); it != end; ++it) { 1035 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1036 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1037 } 1038 } 1039 1040 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1041 Opts.CodeCompletionAt = 1042 ParsedSourceLocation::FromString(A->getValue(Args)); 1043 if (Opts.CodeCompletionAt.FileName.empty()) 1044 Diags.Report(diag::err_drv_invalid_value) 1045 << A->getAsString(Args) << A->getValue(Args); 1046 } 1047 Opts.DebugCodeCompletionPrinter = 1048 !Args.hasArg(OPT_no_code_completion_debug_printer); 1049 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1050 1051 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1052 Opts.Plugins = Args.getAllArgValues(OPT_load); 1053 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1054 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1055 Opts.ShowHelp = Args.hasArg(OPT_help); 1056 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1057 Opts.ShowCodePatternsInCodeCompletion 1058 = Args.hasArg(OPT_code_completion_patterns); 1059 Opts.ShowGlobalSymbolsInCodeCompletion 1060 = !Args.hasArg(OPT_no_code_completion_globals); 1061 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1062 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1063 Opts.ShowVersion = Args.hasArg(OPT_version); 1064 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1065 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1066 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1067 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1068 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1069 1070 InputKind DashX = IK_None; 1071 if (const Arg *A = Args.getLastArg(OPT_x)) { 1072 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1073 .Case("c", IK_C) 1074 .Case("cl", IK_OpenCL) 1075 .Case("c", IK_C) 1076 .Case("cl", IK_OpenCL) 1077 .Case("c++", IK_CXX) 1078 .Case("objective-c", IK_ObjC) 1079 .Case("objective-c++", IK_ObjCXX) 1080 .Case("cpp-output", IK_PreprocessedC) 1081 .Case("assembler-with-cpp", IK_Asm) 1082 .Case("c++-cpp-output", IK_PreprocessedCXX) 1083 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1084 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1085 .Case("c-header", IK_C) 1086 .Case("objective-c-header", IK_ObjC) 1087 .Case("c++-header", IK_CXX) 1088 .Case("objective-c++-header", IK_ObjCXX) 1089 .Case("ast", IK_AST) 1090 .Case("ir", IK_LLVM_IR) 1091 .Default(IK_None); 1092 if (DashX == IK_None) 1093 Diags.Report(diag::err_drv_invalid_value) 1094 << A->getAsString(Args) << A->getValue(Args); 1095 } 1096 1097 // '-' is the default input if none is given. 1098 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1099 Opts.Inputs.clear(); 1100 if (Inputs.empty()) 1101 Inputs.push_back("-"); 1102 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1103 InputKind IK = DashX; 1104 if (IK == IK_None) { 1105 IK = FrontendOptions::getInputKindForExtension( 1106 llvm::StringRef(Inputs[i]).rsplit('.').second); 1107 // FIXME: Remove this hack. 1108 if (i == 0) 1109 DashX = IK; 1110 } 1111 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1112 } 1113 1114 return DashX; 1115 } 1116 1117 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1118 void *MainAddr) { 1119 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1120 1121 if (!P.isEmpty()) { 1122 P.eraseComponent(); // Remove /clang from foo/bin/clang 1123 P.eraseComponent(); // Remove /bin from foo/bin 1124 1125 // Get foo/lib/clang/<version>/include 1126 P.appendComponent("lib"); 1127 P.appendComponent("clang"); 1128 P.appendComponent(CLANG_VERSION_STRING); 1129 } 1130 1131 return P.str(); 1132 } 1133 1134 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1135 using namespace cc1options; 1136 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1137 Opts.Verbose = Args.hasArg(OPT_v); 1138 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1139 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1140 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1141 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1142 1143 // Add -I... and -F... options in order. 1144 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1145 ie = Args.filtered_end(); it != ie; ++it) 1146 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1147 /*IsFramework=*/ (*it)->getOption().matches(OPT_F)); 1148 1149 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1150 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1151 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1152 OPT_iwithprefixbefore), 1153 ie = Args.filtered_end(); it != ie; ++it) { 1154 const Arg *A = *it; 1155 if (A->getOption().matches(OPT_iprefix)) 1156 Prefix = A->getValue(Args); 1157 else if (A->getOption().matches(OPT_iwithprefix)) 1158 Opts.AddPath(Prefix.str() + A->getValue(Args), 1159 frontend::System, false, false); 1160 else 1161 Opts.AddPath(Prefix.str() + A->getValue(Args), 1162 frontend::Angled, false, false); 1163 } 1164 1165 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1166 ie = Args.filtered_end(); it != ie; ++it) 1167 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false); 1168 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1169 ie = Args.filtered_end(); it != ie; ++it) 1170 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false); 1171 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1172 ie = Args.filtered_end(); it != ie; ++it) 1173 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false); 1174 1175 // FIXME: Need options for the various environment variables! 1176 } 1177 1178 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1179 Diagnostic &Diags) { 1180 // FIXME: Cleanup per-file based stuff. 1181 1182 // Set some properties which depend soley on the input kind; it would be nice 1183 // to move these to the language standard, and have the driver resolve the 1184 // input kind + language standard. 1185 if (IK == IK_Asm) { 1186 Opts.AsmPreprocessor = 1; 1187 } else if (IK == IK_ObjC || 1188 IK == IK_ObjCXX || 1189 IK == IK_PreprocessedObjC || 1190 IK == IK_PreprocessedObjCXX) { 1191 Opts.ObjC1 = Opts.ObjC2 = 1; 1192 } 1193 1194 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1195 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1196 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1197 #define LANGSTANDARD(id, name, desc, features) \ 1198 .Case(name, LangStandard::lang_##id) 1199 #include "clang/Frontend/LangStandards.def" 1200 .Default(LangStandard::lang_unspecified); 1201 if (LangStd == LangStandard::lang_unspecified) 1202 Diags.Report(diag::err_drv_invalid_value) 1203 << A->getAsString(Args) << A->getValue(Args); 1204 } 1205 1206 if (LangStd == LangStandard::lang_unspecified) { 1207 // Based on the base language, pick one. 1208 switch (IK) { 1209 case IK_None: 1210 case IK_AST: 1211 case IK_LLVM_IR: 1212 assert(0 && "Invalid input kind!"); 1213 case IK_OpenCL: 1214 LangStd = LangStandard::lang_opencl; 1215 break; 1216 case IK_Asm: 1217 case IK_C: 1218 case IK_PreprocessedC: 1219 case IK_ObjC: 1220 case IK_PreprocessedObjC: 1221 LangStd = LangStandard::lang_gnu99; 1222 break; 1223 case IK_CXX: 1224 case IK_PreprocessedCXX: 1225 case IK_ObjCXX: 1226 case IK_PreprocessedObjCXX: 1227 LangStd = LangStandard::lang_gnucxx98; 1228 break; 1229 } 1230 } 1231 1232 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1233 Opts.BCPLComment = Std.hasBCPLComments(); 1234 Opts.C99 = Std.isC99(); 1235 Opts.CPlusPlus = Std.isCPlusPlus(); 1236 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1237 Opts.Digraphs = Std.hasDigraphs(); 1238 Opts.GNUMode = Std.isGNUMode(); 1239 Opts.GNUInline = !Std.isC99(); 1240 Opts.HexFloats = Std.hasHexFloats(); 1241 Opts.ImplicitInt = Std.hasImplicitInt(); 1242 1243 // OpenCL has some additional defaults. 1244 if (LangStd == LangStandard::lang_opencl) { 1245 Opts.OpenCL = 1; 1246 Opts.AltiVec = 1; 1247 Opts.CXXOperatorNames = 1; 1248 Opts.LaxVectorConversions = 1; 1249 } 1250 1251 // OpenCL and C++ both have bool, true, false keywords. 1252 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1253 1254 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1255 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1256 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1257 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1258 // name, as it doesn't seem a useful distinction. 1259 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1260 Opts.GNUMode); 1261 1262 if (Opts.CPlusPlus) 1263 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1264 1265 if (Args.hasArg(OPT_fobjc_gc_only)) 1266 Opts.setGCMode(LangOptions::GCOnly); 1267 else if (Args.hasArg(OPT_fobjc_gc)) 1268 Opts.setGCMode(LangOptions::HybridGC); 1269 1270 if (Args.hasArg(OPT_print_ivar_layout)) 1271 Opts.ObjCGCBitmapPrint = 1; 1272 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1273 Opts.NoConstantCFStrings = 1; 1274 1275 if (Args.hasArg(OPT_faltivec)) 1276 Opts.AltiVec = 1; 1277 1278 if (Args.hasArg(OPT_pthread)) 1279 Opts.POSIXThreads = 1; 1280 1281 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1282 if (Vis == "default") 1283 Opts.setVisibilityMode(LangOptions::Default); 1284 else if (Vis == "hidden") 1285 Opts.setVisibilityMode(LangOptions::Hidden); 1286 else if (Vis == "protected") 1287 Opts.setVisibilityMode(LangOptions::Protected); 1288 else 1289 Diags.Report(diag::err_drv_invalid_value) 1290 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1291 1292 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1293 Opts.InlineVisibilityHidden = 1; 1294 1295 if (Args.hasArg(OPT_ftrapv)) 1296 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1297 else if (Args.hasArg(OPT_fwrapv)) 1298 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1299 1300 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1301 // is specified, or -std is set to a conforming mode. 1302 Opts.Trigraphs = !Opts.GNUMode; 1303 if (Args.hasArg(OPT_trigraphs)) 1304 Opts.Trigraphs = 1; 1305 1306 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1307 OPT_fno_dollars_in_identifiers, 1308 !Opts.AsmPreprocessor); 1309 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1310 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1311 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1312 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1313 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1314 Opts.LaxVectorConversions = 0; 1315 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1316 Opts.ThreadsafeStatics = 0; 1317 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1318 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1319 Opts.Blocks = Args.hasArg(OPT_fblocks); 1320 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1321 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1322 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1323 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1324 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1325 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1326 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1327 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1328 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1329 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1330 Diags); 1331 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1332 Opts.ObjCConstantStringClass = 1333 Args.getLastArgValue(OPT_fconstant_string_class); 1334 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1335 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1336 if (Opts.ObjCNonFragileABI2) 1337 Opts.ObjCNonFragileABI = true; 1338 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1339 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1340 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1341 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1342 Opts.Static = Args.hasArg(OPT_static_define); 1343 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1344 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1345 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1346 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1347 Opts.OptimizeSize = 0; 1348 1349 // FIXME: Eliminate this dependency. 1350 unsigned Opt = 1351 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1352 Opts.Optimize = Opt != 0; 1353 1354 // This is the __NO_INLINE__ define, which just depends on things like the 1355 // optimization level and -fno-inline, not actually whether the backend has 1356 // inlining enabled. 1357 // 1358 // FIXME: This is affected by other options (-fno-inline). 1359 Opts.NoInline = !Opt; 1360 1361 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1362 switch (SSP) { 1363 default: 1364 Diags.Report(diag::err_drv_invalid_value) 1365 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1366 break; 1367 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1368 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1369 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1370 } 1371 } 1372 1373 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1374 Diagnostic &Diags) { 1375 using namespace cc1options; 1376 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1377 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1378 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1379 Opts.TokenCache = A->getValue(Args); 1380 else 1381 Opts.TokenCache = Opts.ImplicitPTHInclude; 1382 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1383 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1384 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1385 1386 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1387 llvm::StringRef Value(A->getValue(Args)); 1388 size_t Comma = Value.find(','); 1389 unsigned Bytes = 0; 1390 unsigned EndOfLine = 0; 1391 1392 if (Comma == llvm::StringRef::npos || 1393 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1394 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1395 Diags.Report(diag::err_drv_preamble_format); 1396 else { 1397 Opts.PrecompiledPreambleBytes.first = Bytes; 1398 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1399 } 1400 } 1401 1402 // Add macros from the command line. 1403 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1404 ie = Args.filtered_end(); it != ie; ++it) { 1405 if ((*it)->getOption().matches(OPT_D)) 1406 Opts.addMacroDef((*it)->getValue(Args)); 1407 else 1408 Opts.addMacroUndef((*it)->getValue(Args)); 1409 } 1410 1411 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1412 1413 // Add the ordered list of -includes. 1414 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1415 OPT_include_pth), 1416 ie = Args.filtered_end(); it != ie; ++it) { 1417 const Arg *A = *it; 1418 // PCH is handled specially, we need to extra the original include path. 1419 if (A->getOption().matches(OPT_include_pch)) { 1420 std::string OriginalFile = 1421 PCHReader::getOriginalSourceFile(A->getValue(Args), Diags); 1422 if (OriginalFile.empty()) 1423 continue; 1424 1425 Opts.Includes.push_back(OriginalFile); 1426 } else 1427 Opts.Includes.push_back(A->getValue(Args)); 1428 } 1429 1430 // Include 'altivec.h' if -faltivec option present 1431 if (Args.hasArg(OPT_faltivec)) 1432 Opts.Includes.push_back("altivec.h"); 1433 1434 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1435 ie = Args.filtered_end(); it != ie; ++it) { 1436 const Arg *A = *it; 1437 std::pair<llvm::StringRef,llvm::StringRef> Split = 1438 llvm::StringRef(A->getValue(Args)).split(';'); 1439 1440 if (Split.second.empty()) { 1441 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1442 continue; 1443 } 1444 1445 Opts.addRemappedFile(Split.first, Split.second); 1446 } 1447 } 1448 1449 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1450 ArgList &Args) { 1451 using namespace cc1options; 1452 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1453 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1454 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1455 Opts.ShowComments = Args.hasArg(OPT_C); 1456 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1457 } 1458 1459 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1460 using namespace cc1options; 1461 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1462 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1463 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1464 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1465 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1466 Opts.Triple = Args.getLastArgValue(OPT_triple); 1467 1468 // Use the host triple if unspecified. 1469 if (Opts.Triple.empty()) 1470 Opts.Triple = llvm::sys::getHostTriple(); 1471 1472 // Use the Itanium C++ ABI if unspecified. 1473 if (Opts.CXXABI.empty()) 1474 Opts.CXXABI = "itanium"; 1475 } 1476 1477 // 1478 1479 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1480 const char **ArgBegin, 1481 const char **ArgEnd, 1482 Diagnostic &Diags) { 1483 // Parse the arguments. 1484 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1485 unsigned MissingArgIndex, MissingArgCount; 1486 llvm::OwningPtr<InputArgList> Args( 1487 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1488 1489 // Check for missing argument error. 1490 if (MissingArgCount) 1491 Diags.Report(diag::err_drv_missing_argument) 1492 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1493 1494 // Issue errors on unknown arguments. 1495 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1496 ie = Args->filtered_end(); it != ie; ++it) 1497 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1498 1499 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1500 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1501 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1502 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1503 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1504 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1505 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1506 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1507 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1508 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1509 ParseTargetArgs(Res.getTargetOpts(), *Args); 1510 } 1511