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/Serialization/ASTReader.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.ShowParseableFixits) 248 Res.push_back("-fdiagnostics-parseable-fixits"); 249 if (Opts.ShowColors) 250 Res.push_back("-fcolor-diagnostics"); 251 if (Opts.VerifyDiagnostics) 252 Res.push_back("-verify"); 253 if (Opts.BinaryOutput) 254 Res.push_back("-fdiagnostics-binary"); 255 if (Opts.ShowOptionNames) 256 Res.push_back("-fdiagnostics-show-option"); 257 if (Opts.ShowCategories == 1) 258 Res.push_back("-fdiagnostics-show-category=id"); 259 else if (Opts.ShowCategories == 2) 260 Res.push_back("-fdiagnostics-show-category=name"); 261 if (Opts.ErrorLimit) { 262 Res.push_back("-ferror-limit"); 263 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 264 } 265 if (Opts.MacroBacktraceLimit 266 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 267 Res.push_back("-fmacro-backtrace-limit"); 268 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 269 } 270 if (Opts.TemplateBacktraceLimit 271 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 272 Res.push_back("-ftemplate-backtrace-limit"); 273 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 274 } 275 276 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 277 Res.push_back("-ftabstop"); 278 Res.push_back(llvm::utostr(Opts.TabStop)); 279 } 280 if (Opts.MessageLength) { 281 Res.push_back("-fmessage-length"); 282 Res.push_back(llvm::utostr(Opts.MessageLength)); 283 } 284 if (!Opts.DumpBuildInformation.empty()) { 285 Res.push_back("-dump-build-information"); 286 Res.push_back(Opts.DumpBuildInformation); 287 } 288 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 289 Res.push_back("-W" + Opts.Warnings[i]); 290 } 291 292 static const char *getInputKindName(InputKind Kind) { 293 switch (Kind) { 294 case IK_None: break; 295 case IK_AST: return "ast"; 296 case IK_Asm: return "assembler-with-cpp"; 297 case IK_C: return "c"; 298 case IK_CXX: return "c++"; 299 case IK_LLVM_IR: return "ir"; 300 case IK_ObjC: return "objective-c"; 301 case IK_ObjCXX: return "objective-c++"; 302 case IK_OpenCL: return "cl"; 303 case IK_PreprocessedC: return "cpp-output"; 304 case IK_PreprocessedCXX: return "c++-cpp-output"; 305 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 306 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 307 } 308 309 llvm_unreachable("Unexpected language kind!"); 310 return 0; 311 } 312 313 static const char *getActionName(frontend::ActionKind Kind) { 314 switch (Kind) { 315 case frontend::PluginAction: 316 case frontend::InheritanceView: 317 llvm_unreachable("Invalid kind!"); 318 319 case frontend::ASTDump: return "-ast-dump"; 320 case frontend::ASTPrint: return "-ast-print"; 321 case frontend::ASTPrintXML: return "-ast-print-xml"; 322 case frontend::ASTView: return "-ast-view"; 323 case frontend::BoostCon: return "-boostcon"; 324 case frontend::CreateModule: return "-create-module"; 325 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 326 case frontend::DumpTokens: return "-dump-tokens"; 327 case frontend::EmitAssembly: return "-S"; 328 case frontend::EmitBC: return "-emit-llvm-bc"; 329 case frontend::EmitHTML: return "-emit-html"; 330 case frontend::EmitLLVM: return "-emit-llvm"; 331 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 332 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 333 case frontend::EmitObj: return "-emit-obj"; 334 case frontend::FixIt: return "-fixit"; 335 case frontend::GeneratePCH: return "-emit-pch"; 336 case frontend::GeneratePTH: return "-emit-pth"; 337 case frontend::InitOnly: return "-init-only"; 338 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 339 case frontend::PrintDeclContext: return "-print-decl-contexts"; 340 case frontend::PrintPreamble: return "-print-preamble"; 341 case frontend::PrintPreprocessedInput: return "-E"; 342 case frontend::RewriteMacros: return "-rewrite-macros"; 343 case frontend::RewriteObjC: return "-rewrite-objc"; 344 case frontend::RewriteTest: return "-rewrite-test"; 345 case frontend::RunAnalysis: return "-analyze"; 346 case frontend::RunPreprocessorOnly: return "-Eonly"; 347 } 348 349 llvm_unreachable("Unexpected language kind!"); 350 return 0; 351 } 352 353 static void FrontendOptsToArgs(const FrontendOptions &Opts, 354 std::vector<std::string> &Res) { 355 if (!Opts.DebugCodeCompletionPrinter) 356 Res.push_back("-no-code-completion-debug-printer"); 357 if (Opts.DisableFree) 358 Res.push_back("-disable-free"); 359 if (Opts.RelocatablePCH) 360 Res.push_back("-relocatable-pch"); 361 if (Opts.ChainedPCH) 362 Res.push_back("-chained-pch"); 363 if (Opts.ShowHelp) 364 Res.push_back("-help"); 365 if (Opts.ShowMacrosInCodeCompletion) 366 Res.push_back("-code-completion-macros"); 367 if (Opts.ShowCodePatternsInCodeCompletion) 368 Res.push_back("-code-completion-patterns"); 369 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 370 Res.push_back("-no-code-completion-globals"); 371 if (Opts.ShowStats) 372 Res.push_back("-print-stats"); 373 if (Opts.ShowTimers) 374 Res.push_back("-ftime-report"); 375 if (Opts.ShowVersion) 376 Res.push_back("-version"); 377 if (Opts.FixWhatYouCan) 378 Res.push_back("-fix-what-you-can"); 379 380 bool NeedLang = false; 381 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 382 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 383 Opts.Inputs[i].first) 384 NeedLang = true; 385 if (NeedLang) { 386 Res.push_back("-x"); 387 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 388 } 389 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 390 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 391 "Unable to represent this input vector!"); 392 Res.push_back(Opts.Inputs[i].second); 393 } 394 395 if (!Opts.OutputFile.empty()) { 396 Res.push_back("-o"); 397 Res.push_back(Opts.OutputFile); 398 } 399 if (!Opts.ViewClassInheritance.empty()) { 400 Res.push_back("-cxx-inheritance-view"); 401 Res.push_back(Opts.ViewClassInheritance); 402 } 403 if (!Opts.CodeCompletionAt.FileName.empty()) { 404 Res.push_back("-code-completion-at"); 405 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 406 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 407 llvm::utostr(Opts.CodeCompletionAt.Column)); 408 } 409 if (Opts.ProgramAction != frontend::InheritanceView && 410 Opts.ProgramAction != frontend::PluginAction) 411 Res.push_back(getActionName(Opts.ProgramAction)); 412 if (!Opts.ActionName.empty()) { 413 Res.push_back("-plugin"); 414 Res.push_back(Opts.ActionName); 415 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 416 Res.push_back("-plugin-arg-" + Opts.ActionName); 417 Res.push_back(Opts.PluginArgs[i]); 418 } 419 } 420 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 421 Res.push_back("-load"); 422 Res.push_back(Opts.Plugins[i]); 423 } 424 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 425 Res.push_back("-ast-merge"); 426 Res.push_back(Opts.ASTMergeFiles[i]); 427 } 428 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 429 Res.push_back("-import-module"); 430 Res.push_back(Opts.Modules[i]); 431 } 432 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 433 Res.push_back("-mllvm"); 434 Res.push_back(Opts.LLVMArgs[i]); 435 } 436 } 437 438 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 439 std::vector<std::string> &Res) { 440 if (Opts.Sysroot != "/") { 441 Res.push_back("-isysroot"); 442 Res.push_back(Opts.Sysroot); 443 } 444 445 /// User specified include entries. 446 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 447 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 448 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 449 llvm::report_fatal_error("Invalid option set!"); 450 if (E.IsUserSupplied) { 451 if (E.Group == frontend::After) { 452 Res.push_back("-idirafter"); 453 } else if (E.Group == frontend::Quoted) { 454 Res.push_back("-iquote"); 455 } else if (E.Group == frontend::System) { 456 Res.push_back("-isystem"); 457 } else { 458 assert(E.Group == frontend::Angled && "Invalid group!"); 459 Res.push_back(E.IsFramework ? "-F" : "-I"); 460 } 461 } else { 462 if (E.Group != frontend::Angled && E.Group != frontend::System) 463 llvm::report_fatal_error("Invalid option set!"); 464 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 465 "-iwithprefix"); 466 } 467 Res.push_back(E.Path); 468 } 469 470 if (!Opts.EnvIncPath.empty()) { 471 // FIXME: Provide an option for this, and move env detection to driver. 472 llvm::report_fatal_error("Not yet implemented!"); 473 } 474 if (!Opts.CEnvIncPath.empty()) { 475 // FIXME: Provide an option for this, and move env detection to driver. 476 llvm::report_fatal_error("Not yet implemented!"); 477 } 478 if (!Opts.ObjCEnvIncPath.empty()) { 479 // FIXME: Provide an option for this, and move env detection to driver. 480 llvm::report_fatal_error("Not yet implemented!"); 481 } 482 if (!Opts.CXXEnvIncPath.empty()) { 483 // FIXME: Provide an option for this, and move env detection to driver. 484 llvm::report_fatal_error("Not yet implemented!"); 485 } 486 if (!Opts.ObjCXXEnvIncPath.empty()) { 487 // FIXME: Provide an option for this, and move env detection to driver. 488 llvm::report_fatal_error("Not yet implemented!"); 489 } 490 if (!Opts.ResourceDir.empty()) { 491 Res.push_back("-resource-dir"); 492 Res.push_back(Opts.ResourceDir); 493 } 494 if (!Opts.UseStandardIncludes) 495 Res.push_back("-nostdinc"); 496 if (!Opts.UseStandardCXXIncludes) 497 Res.push_back("-nostdinc++"); 498 if (Opts.Verbose) 499 Res.push_back("-v"); 500 } 501 502 static void LangOptsToArgs(const LangOptions &Opts, 503 std::vector<std::string> &Res) { 504 LangOptions DefaultLangOpts; 505 506 // FIXME: Need to set -std to get all the implicit options. 507 508 // FIXME: We want to only pass options relative to the defaults, which 509 // requires constructing a target. :( 510 // 511 // It would be better to push the all target specific choices into the driver, 512 // so that everything below that was more uniform. 513 514 if (Opts.Trigraphs) 515 Res.push_back("-trigraphs"); 516 // Implicit based on the input kind: 517 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 518 // Implicit based on the input language standard: 519 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 520 if (Opts.DollarIdents) 521 Res.push_back("-fdollars-in-identifiers"); 522 if (Opts.GNUMode && !Opts.GNUKeywords) 523 Res.push_back("-fno-gnu-keywords"); 524 if (!Opts.GNUMode && Opts.GNUKeywords) 525 Res.push_back("-fgnu-keywords"); 526 if (Opts.Microsoft) 527 Res.push_back("-fms-extensions"); 528 if (Opts.ObjCNonFragileABI) 529 Res.push_back("-fobjc-nonfragile-abi"); 530 if (Opts.ObjCNonFragileABI2) 531 Res.push_back("-fobjc-nonfragile-abi2"); 532 // NoInline is implicit. 533 if (!Opts.CXXOperatorNames) 534 Res.push_back("-fno-operator-names"); 535 if (Opts.PascalStrings) 536 Res.push_back("-fpascal-strings"); 537 if (Opts.CatchUndefined) 538 Res.push_back("-fcatch-undefined-behavior"); 539 if (Opts.WritableStrings) 540 Res.push_back("-fwritable-strings"); 541 if (Opts.ConstStrings) 542 Res.push_back("-Wwrite-strings"); 543 if (!Opts.LaxVectorConversions) 544 Res.push_back("-fno-lax-vector-conversions"); 545 if (Opts.AltiVec) 546 Res.push_back("-faltivec"); 547 if (Opts.Exceptions) 548 Res.push_back("-fexceptions"); 549 if (Opts.SjLjExceptions) 550 Res.push_back("-fsjlj-exceptions"); 551 if (!Opts.RTTI) 552 Res.push_back("-fno-rtti"); 553 if (!Opts.NeXTRuntime) 554 Res.push_back("-fgnu-runtime"); 555 if (Opts.Freestanding) 556 Res.push_back("-ffreestanding"); 557 if (Opts.NoBuiltin) 558 Res.push_back("-fno-builtin"); 559 if (!Opts.AssumeSaneOperatorNew) 560 Res.push_back("-fno-assume-sane-operator-new"); 561 if (!Opts.ThreadsafeStatics) 562 Res.push_back("-fno-threadsafe-statics"); 563 if (Opts.POSIXThreads) 564 Res.push_back("-pthread"); 565 if (Opts.Blocks) 566 Res.push_back("-fblocks"); 567 if (Opts.EmitAllDecls) 568 Res.push_back("-femit-all-decls"); 569 if (Opts.MathErrno) 570 Res.push_back("-fmath-errno"); 571 switch (Opts.getSignedOverflowBehavior()) { 572 case LangOptions::SOB_Undefined: break; 573 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 574 case LangOptions::SOB_Trapping: Res.push_back("-ftrapv"); break; 575 } 576 if (Opts.HeinousExtensions) 577 Res.push_back("-fheinous-gnu-extensions"); 578 // Optimize is implicit. 579 // OptimizeSize is implicit. 580 if (Opts.Static) 581 Res.push_back("-static-define"); 582 if (Opts.DumpRecordLayouts) 583 Res.push_back("-fdump-record-layouts"); 584 if (Opts.DumpVTableLayouts) 585 Res.push_back("-fdump-vtable-layouts"); 586 if (Opts.NoBitFieldTypeAlign) 587 Res.push_back("-fno-bitfield-type-alignment"); 588 if (Opts.SjLjExceptions) 589 Res.push_back("-fsjlj-exceptions"); 590 if (Opts.PICLevel) { 591 Res.push_back("-pic-level"); 592 Res.push_back(llvm::utostr(Opts.PICLevel)); 593 } 594 if (Opts.ObjCGCBitmapPrint) 595 Res.push_back("-print-ivar-layout"); 596 if (Opts.NoConstantCFStrings) 597 Res.push_back("-fno-constant-cfstrings"); 598 if (!Opts.AccessControl) 599 Res.push_back("-fno-access-control"); 600 if (!Opts.CharIsSigned) 601 Res.push_back("-fno-signed-char"); 602 if (Opts.ShortWChar) 603 Res.push_back("-fshort-wchar"); 604 if (!Opts.ElideConstructors) 605 Res.push_back("-fno-elide-constructors"); 606 if (Opts.getGCMode() != LangOptions::NonGC) { 607 if (Opts.getGCMode() == LangOptions::HybridGC) { 608 Res.push_back("-fobjc-gc"); 609 } else { 610 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 611 Res.push_back("-fobjc-gc-only"); 612 } 613 } 614 if (Opts.getVisibilityMode() != LangOptions::Default) { 615 Res.push_back("-fvisibility"); 616 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 617 Res.push_back("hidden"); 618 } else { 619 assert(Opts.getVisibilityMode() == LangOptions::Protected && 620 "Invalid visibility!"); 621 Res.push_back("protected"); 622 } 623 } 624 if (Opts.InlineVisibilityHidden) 625 Res.push_back("-fvisibility-inlines-hidden"); 626 627 if (Opts.getStackProtectorMode() != 0) { 628 Res.push_back("-stack-protector"); 629 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 630 } 631 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 632 Res.push_back("-ftemplate-depth"); 633 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 634 } 635 if (!Opts.ObjCConstantStringClass.empty()) { 636 Res.push_back("-fconstant-string-class"); 637 Res.push_back(Opts.ObjCConstantStringClass); 638 } 639 } 640 641 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 642 std::vector<std::string> &Res) { 643 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 644 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 645 Opts.Macros[i].first); 646 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 647 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 648 Res.push_back("-include"); 649 Res.push_back(Opts.Includes[i]); 650 } 651 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 652 Res.push_back("-imacros"); 653 Res.push_back(Opts.MacroIncludes[i]); 654 } 655 if (!Opts.UsePredefines) 656 Res.push_back("-undef"); 657 if (Opts.DetailedRecord) 658 Res.push_back("-detailed-preprocessing-record"); 659 if (!Opts.ImplicitPCHInclude.empty()) { 660 Res.push_back("-include-pch"); 661 Res.push_back(Opts.ImplicitPCHInclude); 662 } 663 if (!Opts.ImplicitPTHInclude.empty()) { 664 Res.push_back("-include-pth"); 665 Res.push_back(Opts.ImplicitPTHInclude); 666 } 667 if (!Opts.TokenCache.empty()) { 668 if (Opts.ImplicitPTHInclude.empty()) { 669 Res.push_back("-token-cache"); 670 Res.push_back(Opts.TokenCache); 671 } else 672 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 673 "Unsupported option combination!"); 674 } 675 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 676 Res.push_back("-remap-file"); 677 Res.push_back(Opts.RemappedFiles[i].first + ";" + 678 Opts.RemappedFiles[i].second); 679 } 680 } 681 682 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 683 std::vector<std::string> &Res) { 684 if (!Opts.ShowCPP && !Opts.ShowMacros) 685 llvm::report_fatal_error("Invalid option combination!"); 686 687 if (Opts.ShowCPP && Opts.ShowMacros) 688 Res.push_back("-dD"); 689 else if (!Opts.ShowCPP && Opts.ShowMacros) 690 Res.push_back("-dM"); 691 692 if (Opts.ShowHeaderIncludes) 693 Res.push_back("-H"); 694 if (!Opts.ShowLineMarkers) 695 Res.push_back("-P"); 696 if (Opts.ShowComments) 697 Res.push_back("-C"); 698 if (Opts.ShowMacroComments) 699 Res.push_back("-CC"); 700 } 701 702 static void TargetOptsToArgs(const TargetOptions &Opts, 703 std::vector<std::string> &Res) { 704 Res.push_back("-triple"); 705 Res.push_back(Opts.Triple); 706 if (!Opts.CPU.empty()) { 707 Res.push_back("-target-cpu"); 708 Res.push_back(Opts.CPU); 709 } 710 if (!Opts.ABI.empty()) { 711 Res.push_back("-target-abi"); 712 Res.push_back(Opts.ABI); 713 } 714 if (!Opts.LinkerVersion.empty()) { 715 Res.push_back("-target-linker-version"); 716 Res.push_back(Opts.LinkerVersion); 717 } 718 if (!Opts.CXXABI.empty()) { 719 Res.push_back("-cxx-abi"); 720 Res.push_back(Opts.CXXABI); 721 } 722 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 723 Res.push_back("-target-feature"); 724 Res.push_back(Opts.Features[i]); 725 } 726 } 727 728 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 729 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 730 CodeGenOptsToArgs(getCodeGenOpts(), Res); 731 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 732 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 733 FrontendOptsToArgs(getFrontendOpts(), Res); 734 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 735 LangOptsToArgs(getLangOpts(), Res); 736 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 737 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 738 TargetOptsToArgs(getTargetOpts(), Res); 739 } 740 741 //===----------------------------------------------------------------------===// 742 // Deserialization (to args) 743 //===----------------------------------------------------------------------===// 744 745 using namespace clang::driver; 746 using namespace clang::driver::cc1options; 747 748 // 749 750 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 751 Diagnostic &Diags) { 752 using namespace cc1options; 753 754 Opts.AnalysisList.clear(); 755 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 756 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 757 #include "clang/Frontend/Analyses.def" 758 759 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 760 llvm::StringRef Name = A->getValue(Args); 761 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 762 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 763 .Case(CMDFLAG, NAME##Model) 764 #include "clang/Frontend/Analyses.def" 765 .Default(NumStores); 766 // FIXME: Error handling. 767 if (Value == NumStores) 768 Diags.Report(diag::err_drv_invalid_value) 769 << A->getAsString(Args) << Name; 770 else 771 Opts.AnalysisStoreOpt = Value; 772 } 773 774 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 775 llvm::StringRef Name = A->getValue(Args); 776 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 777 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 778 .Case(CMDFLAG, NAME##Model) 779 #include "clang/Frontend/Analyses.def" 780 .Default(NumConstraints); 781 // FIXME: Error handling. 782 if (Value == NumConstraints) 783 Diags.Report(diag::err_drv_invalid_value) 784 << A->getAsString(Args) << Name; 785 else 786 Opts.AnalysisConstraintsOpt = Value; 787 } 788 789 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 790 llvm::StringRef Name = A->getValue(Args); 791 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 792 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 793 .Case(CMDFLAG, PD_##NAME) 794 #include "clang/Frontend/Analyses.def" 795 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 796 // FIXME: Error handling. 797 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 798 Diags.Report(diag::err_drv_invalid_value) 799 << A->getAsString(Args) << Name; 800 else 801 Opts.AnalysisDiagOpt = Value; 802 } 803 804 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 805 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 806 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 807 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 808 Opts.AnalyzeNestedBlocks = 809 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 810 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 811 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 812 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 813 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 814 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 815 Opts.EnableExperimentalInternalChecks = 816 Args.hasArg(OPT_analyzer_experimental_internal_checks); 817 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 818 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 819 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 820 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 821 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 822 } 823 824 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 825 Diagnostic &Diags) { 826 using namespace cc1options; 827 // -Os implies -O2 828 if (Args.hasArg(OPT_Os)) 829 Opts.OptimizationLevel = 2; 830 else { 831 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 832 if (Opts.OptimizationLevel > 3) { 833 Diags.Report(diag::err_drv_invalid_value) 834 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 835 Opts.OptimizationLevel = 3; 836 } 837 } 838 839 // We must always run at least the always inlining pass. 840 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 841 : CodeGenOptions::OnlyAlwaysInlining; 842 843 Opts.DebugInfo = Args.hasArg(OPT_g); 844 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 845 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 846 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 847 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 848 Opts.NoCommon = Args.hasArg(OPT_fno_common); 849 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 850 Opts.OptimizeSize = Args.hasArg(OPT_Os); 851 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 852 Args.hasArg(OPT_ffreestanding)); 853 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 854 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 855 856 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 857 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 858 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 859 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 860 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 861 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 862 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 863 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 864 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 865 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 866 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 867 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 868 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 869 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 870 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 871 872 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 873 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 874 875 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 876 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 877 878 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 879 880 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 881 llvm::StringRef Name = A->getValue(Args); 882 unsigned Method = llvm::StringSwitch<unsigned>(Name) 883 .Case("legacy", CodeGenOptions::Legacy) 884 .Case("non-legacy", CodeGenOptions::NonLegacy) 885 .Case("mixed", CodeGenOptions::Mixed) 886 .Default(~0U); 887 if (Method == ~0U) 888 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 889 else 890 Opts.ObjCDispatchMethod = Method; 891 } 892 } 893 894 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 895 ArgList &Args) { 896 using namespace cc1options; 897 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 898 Opts.Targets = Args.getAllArgValues(OPT_MT); 899 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 900 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 901 } 902 903 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 904 Diagnostic &Diags) { 905 using namespace cc1options; 906 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 907 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 908 Opts.Pedantic = Args.hasArg(OPT_pedantic); 909 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 910 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 911 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 912 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 913 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 914 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 915 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 916 917 llvm::StringRef ShowOverloads = 918 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 919 if (ShowOverloads == "best") 920 Opts.ShowOverloads = Diagnostic::Ovl_Best; 921 else if (ShowOverloads == "all") 922 Opts.ShowOverloads = Diagnostic::Ovl_All; 923 else 924 Diags.Report(diag::err_drv_invalid_value) 925 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 926 << ShowOverloads; 927 928 llvm::StringRef ShowCategory = 929 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 930 if (ShowCategory == "none") 931 Opts.ShowCategories = 0; 932 else if (ShowCategory == "id") 933 Opts.ShowCategories = 1; 934 else if (ShowCategory == "name") 935 Opts.ShowCategories = 2; 936 else 937 Diags.Report(diag::err_drv_invalid_value) 938 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 939 << ShowCategory; 940 941 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 942 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 943 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 944 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 945 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 946 Opts.MacroBacktraceLimit 947 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 948 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 949 Opts.TemplateBacktraceLimit 950 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 951 DiagnosticOptions::DefaultTemplateBacktraceLimit, 952 Diags); 953 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 954 DiagnosticOptions::DefaultTabStop, Diags); 955 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 956 Diags.Report(diag::warn_ignoring_ftabstop_value) 957 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 958 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 959 } 960 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 961 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 962 Opts.Warnings = Args.getAllArgValues(OPT_W); 963 } 964 965 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 966 Diagnostic &Diags) { 967 using namespace cc1options; 968 Opts.ProgramAction = frontend::ParseSyntaxOnly; 969 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 970 switch (A->getOption().getID()) { 971 default: 972 assert(0 && "Invalid option in group!"); 973 case OPT_ast_dump: 974 Opts.ProgramAction = frontend::ASTDump; break; 975 case OPT_ast_print: 976 Opts.ProgramAction = frontend::ASTPrint; break; 977 case OPT_ast_print_xml: 978 Opts.ProgramAction = frontend::ASTPrintXML; break; 979 case OPT_ast_view: 980 Opts.ProgramAction = frontend::ASTView; break; 981 case OPT_boostcon: 982 Opts.ProgramAction = frontend::BoostCon; break; 983 case OPT_dump_raw_tokens: 984 Opts.ProgramAction = frontend::DumpRawTokens; break; 985 case OPT_dump_tokens: 986 Opts.ProgramAction = frontend::DumpTokens; break; 987 case OPT_S: 988 Opts.ProgramAction = frontend::EmitAssembly; break; 989 case OPT_emit_llvm_bc: 990 Opts.ProgramAction = frontend::EmitBC; break; 991 case OPT_emit_html: 992 Opts.ProgramAction = frontend::EmitHTML; break; 993 case OPT_emit_llvm: 994 Opts.ProgramAction = frontend::EmitLLVM; break; 995 case OPT_emit_llvm_only: 996 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 997 case OPT_emit_codegen_only: 998 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 999 case OPT_emit_obj: 1000 Opts.ProgramAction = frontend::EmitObj; break; 1001 case OPT_fixit_EQ: 1002 Opts.FixItSuffix = A->getValue(Args); 1003 // fall-through! 1004 case OPT_fixit: 1005 Opts.ProgramAction = frontend::FixIt; break; 1006 case OPT_emit_pch: 1007 Opts.ProgramAction = frontend::GeneratePCH; break; 1008 case OPT_emit_pth: 1009 Opts.ProgramAction = frontend::GeneratePTH; break; 1010 case OPT_init_only: 1011 Opts.ProgramAction = frontend::InitOnly; break; 1012 case OPT_fsyntax_only: 1013 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1014 case OPT_print_decl_contexts: 1015 Opts.ProgramAction = frontend::PrintDeclContext; break; 1016 case OPT_print_preamble: 1017 Opts.ProgramAction = frontend::PrintPreamble; break; 1018 case OPT_E: 1019 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1020 case OPT_rewrite_macros: 1021 Opts.ProgramAction = frontend::RewriteMacros; break; 1022 case OPT_rewrite_objc: 1023 Opts.ProgramAction = frontend::RewriteObjC; break; 1024 case OPT_rewrite_test: 1025 Opts.ProgramAction = frontend::RewriteTest; break; 1026 case OPT_analyze: 1027 Opts.ProgramAction = frontend::RunAnalysis; break; 1028 case OPT_Eonly: 1029 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1030 case OPT_create_module: 1031 Opts.ProgramAction = frontend::CreateModule; break; 1032 } 1033 } 1034 1035 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1036 Opts.Plugins.push_back(A->getValue(Args,0)); 1037 Opts.ProgramAction = frontend::PluginAction; 1038 Opts.ActionName = A->getValue(Args); 1039 1040 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1041 end = Args.filtered_end(); it != end; ++it) { 1042 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1043 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1044 } 1045 } 1046 1047 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1048 Opts.CodeCompletionAt = 1049 ParsedSourceLocation::FromString(A->getValue(Args)); 1050 if (Opts.CodeCompletionAt.FileName.empty()) 1051 Diags.Report(diag::err_drv_invalid_value) 1052 << A->getAsString(Args) << A->getValue(Args); 1053 } 1054 Opts.DebugCodeCompletionPrinter = 1055 !Args.hasArg(OPT_no_code_completion_debug_printer); 1056 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1057 1058 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1059 Opts.Plugins = Args.getAllArgValues(OPT_load); 1060 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1061 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1062 Opts.ShowHelp = Args.hasArg(OPT_help); 1063 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1064 Opts.ShowCodePatternsInCodeCompletion 1065 = Args.hasArg(OPT_code_completion_patterns); 1066 Opts.ShowGlobalSymbolsInCodeCompletion 1067 = !Args.hasArg(OPT_no_code_completion_globals); 1068 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1069 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1070 Opts.ShowVersion = Args.hasArg(OPT_version); 1071 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1072 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1073 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1074 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1075 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1076 1077 InputKind DashX = IK_None; 1078 if (const Arg *A = Args.getLastArg(OPT_x)) { 1079 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1080 .Case("c", IK_C) 1081 .Case("cl", IK_OpenCL) 1082 .Case("c", IK_C) 1083 .Case("cl", IK_OpenCL) 1084 .Case("c++", IK_CXX) 1085 .Case("objective-c", IK_ObjC) 1086 .Case("objective-c++", IK_ObjCXX) 1087 .Case("cpp-output", IK_PreprocessedC) 1088 .Case("assembler-with-cpp", IK_Asm) 1089 .Case("c++-cpp-output", IK_PreprocessedCXX) 1090 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1091 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1092 .Case("c-header", IK_C) 1093 .Case("objective-c-header", IK_ObjC) 1094 .Case("c++-header", IK_CXX) 1095 .Case("objective-c++-header", IK_ObjCXX) 1096 .Case("ast", IK_AST) 1097 .Case("ir", IK_LLVM_IR) 1098 .Default(IK_None); 1099 if (DashX == IK_None) 1100 Diags.Report(diag::err_drv_invalid_value) 1101 << A->getAsString(Args) << A->getValue(Args); 1102 } 1103 1104 // '-' is the default input if none is given. 1105 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1106 Opts.Inputs.clear(); 1107 if (Inputs.empty()) 1108 Inputs.push_back("-"); 1109 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1110 InputKind IK = DashX; 1111 if (IK == IK_None) { 1112 IK = FrontendOptions::getInputKindForExtension( 1113 llvm::StringRef(Inputs[i]).rsplit('.').second); 1114 // FIXME: Remove this hack. 1115 if (i == 0) 1116 DashX = IK; 1117 } 1118 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1119 } 1120 1121 return DashX; 1122 } 1123 1124 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1125 void *MainAddr) { 1126 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1127 1128 if (!P.isEmpty()) { 1129 P.eraseComponent(); // Remove /clang from foo/bin/clang 1130 P.eraseComponent(); // Remove /bin from foo/bin 1131 1132 // Get foo/lib/clang/<version>/include 1133 P.appendComponent("lib"); 1134 P.appendComponent("clang"); 1135 P.appendComponent(CLANG_VERSION_STRING); 1136 } 1137 1138 return P.str(); 1139 } 1140 1141 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1142 using namespace cc1options; 1143 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1144 Opts.Verbose = Args.hasArg(OPT_v); 1145 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1146 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1147 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1148 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1149 1150 // Add -I... and -F... options in order. 1151 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1152 ie = Args.filtered_end(); it != ie; ++it) 1153 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1154 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1155 1156 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1157 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1158 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1159 OPT_iwithprefixbefore), 1160 ie = Args.filtered_end(); it != ie; ++it) { 1161 const Arg *A = *it; 1162 if (A->getOption().matches(OPT_iprefix)) 1163 Prefix = A->getValue(Args); 1164 else if (A->getOption().matches(OPT_iwithprefix)) 1165 Opts.AddPath(Prefix.str() + A->getValue(Args), 1166 frontend::System, false, false, true); 1167 else 1168 Opts.AddPath(Prefix.str() + A->getValue(Args), 1169 frontend::Angled, false, false, true); 1170 } 1171 1172 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1173 ie = Args.filtered_end(); it != ie; ++it) 1174 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1175 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1176 ie = Args.filtered_end(); it != ie; ++it) 1177 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1178 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1179 ie = Args.filtered_end(); it != ie; ++it) 1180 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1181 (*it)->getOption().matches(OPT_iwithsysroot)); 1182 1183 // FIXME: Need options for the various environment variables! 1184 } 1185 1186 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1187 Diagnostic &Diags) { 1188 // FIXME: Cleanup per-file based stuff. 1189 1190 // Set some properties which depend soley on the input kind; it would be nice 1191 // to move these to the language standard, and have the driver resolve the 1192 // input kind + language standard. 1193 if (IK == IK_Asm) { 1194 Opts.AsmPreprocessor = 1; 1195 } else if (IK == IK_ObjC || 1196 IK == IK_ObjCXX || 1197 IK == IK_PreprocessedObjC || 1198 IK == IK_PreprocessedObjCXX) { 1199 Opts.ObjC1 = Opts.ObjC2 = 1; 1200 } 1201 1202 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1203 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1204 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1205 #define LANGSTANDARD(id, name, desc, features) \ 1206 .Case(name, LangStandard::lang_##id) 1207 #include "clang/Frontend/LangStandards.def" 1208 .Default(LangStandard::lang_unspecified); 1209 if (LangStd == LangStandard::lang_unspecified) 1210 Diags.Report(diag::err_drv_invalid_value) 1211 << A->getAsString(Args) << A->getValue(Args); 1212 } 1213 1214 if (LangStd == LangStandard::lang_unspecified) { 1215 // Based on the base language, pick one. 1216 switch (IK) { 1217 case IK_None: 1218 case IK_AST: 1219 case IK_LLVM_IR: 1220 assert(0 && "Invalid input kind!"); 1221 case IK_OpenCL: 1222 LangStd = LangStandard::lang_opencl; 1223 break; 1224 case IK_Asm: 1225 case IK_C: 1226 case IK_PreprocessedC: 1227 case IK_ObjC: 1228 case IK_PreprocessedObjC: 1229 LangStd = LangStandard::lang_gnu99; 1230 break; 1231 case IK_CXX: 1232 case IK_PreprocessedCXX: 1233 case IK_ObjCXX: 1234 case IK_PreprocessedObjCXX: 1235 LangStd = LangStandard::lang_gnucxx98; 1236 break; 1237 } 1238 } 1239 1240 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1241 Opts.BCPLComment = Std.hasBCPLComments(); 1242 Opts.C99 = Std.isC99(); 1243 Opts.CPlusPlus = Std.isCPlusPlus(); 1244 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1245 Opts.Digraphs = Std.hasDigraphs(); 1246 Opts.GNUMode = Std.isGNUMode(); 1247 Opts.GNUInline = !Std.isC99(); 1248 Opts.HexFloats = Std.hasHexFloats(); 1249 Opts.ImplicitInt = Std.hasImplicitInt(); 1250 1251 // OpenCL has some additional defaults. 1252 if (LangStd == LangStandard::lang_opencl) { 1253 Opts.OpenCL = 1; 1254 Opts.AltiVec = 1; 1255 Opts.CXXOperatorNames = 1; 1256 Opts.LaxVectorConversions = 1; 1257 } 1258 1259 // OpenCL and C++ both have bool, true, false keywords. 1260 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1261 1262 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1263 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1264 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1265 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1266 // name, as it doesn't seem a useful distinction. 1267 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1268 Opts.GNUMode); 1269 1270 if (Opts.CPlusPlus) 1271 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1272 1273 if (Args.hasArg(OPT_fobjc_gc_only)) 1274 Opts.setGCMode(LangOptions::GCOnly); 1275 else if (Args.hasArg(OPT_fobjc_gc)) 1276 Opts.setGCMode(LangOptions::HybridGC); 1277 1278 if (Args.hasArg(OPT_print_ivar_layout)) 1279 Opts.ObjCGCBitmapPrint = 1; 1280 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1281 Opts.NoConstantCFStrings = 1; 1282 1283 if (Args.hasArg(OPT_faltivec)) 1284 Opts.AltiVec = 1; 1285 1286 if (Args.hasArg(OPT_pthread)) 1287 Opts.POSIXThreads = 1; 1288 1289 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1290 if (Vis == "default") 1291 Opts.setVisibilityMode(LangOptions::Default); 1292 else if (Vis == "hidden") 1293 Opts.setVisibilityMode(LangOptions::Hidden); 1294 else if (Vis == "protected") 1295 Opts.setVisibilityMode(LangOptions::Protected); 1296 else 1297 Diags.Report(diag::err_drv_invalid_value) 1298 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1299 1300 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1301 Opts.InlineVisibilityHidden = 1; 1302 1303 if (Args.hasArg(OPT_ftrapv)) 1304 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1305 else if (Args.hasArg(OPT_fwrapv)) 1306 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1307 1308 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1309 // is specified, or -std is set to a conforming mode. 1310 Opts.Trigraphs = !Opts.GNUMode; 1311 if (Args.hasArg(OPT_trigraphs)) 1312 Opts.Trigraphs = 1; 1313 1314 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1315 OPT_fno_dollars_in_identifiers, 1316 !Opts.AsmPreprocessor); 1317 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1318 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1319 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1320 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1321 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1322 Opts.LaxVectorConversions = 0; 1323 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1324 Opts.ThreadsafeStatics = 0; 1325 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1326 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1327 Opts.Blocks = Args.hasArg(OPT_fblocks); 1328 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1329 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1330 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1331 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1332 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1333 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1334 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1335 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1336 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1337 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1338 Diags); 1339 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1340 Opts.ObjCConstantStringClass = 1341 Args.getLastArgValue(OPT_fconstant_string_class); 1342 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1343 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1344 if (Opts.ObjCNonFragileABI2) 1345 Opts.ObjCNonFragileABI = true; 1346 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1347 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1348 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1349 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1350 Opts.Static = Args.hasArg(OPT_static_define); 1351 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1352 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1353 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1354 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1355 Opts.OptimizeSize = 0; 1356 1357 // FIXME: Eliminate this dependency. 1358 unsigned Opt = 1359 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1360 Opts.Optimize = Opt != 0; 1361 1362 // This is the __NO_INLINE__ define, which just depends on things like the 1363 // optimization level and -fno-inline, not actually whether the backend has 1364 // inlining enabled. 1365 // 1366 // FIXME: This is affected by other options (-fno-inline). 1367 Opts.NoInline = !Opt; 1368 1369 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1370 switch (SSP) { 1371 default: 1372 Diags.Report(diag::err_drv_invalid_value) 1373 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1374 break; 1375 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1376 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1377 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1378 } 1379 } 1380 1381 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1382 Diagnostic &Diags) { 1383 using namespace cc1options; 1384 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1385 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1386 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1387 Opts.TokenCache = A->getValue(Args); 1388 else 1389 Opts.TokenCache = Opts.ImplicitPTHInclude; 1390 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1391 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1392 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1393 1394 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1395 llvm::StringRef Value(A->getValue(Args)); 1396 size_t Comma = Value.find(','); 1397 unsigned Bytes = 0; 1398 unsigned EndOfLine = 0; 1399 1400 if (Comma == llvm::StringRef::npos || 1401 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1402 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1403 Diags.Report(diag::err_drv_preamble_format); 1404 else { 1405 Opts.PrecompiledPreambleBytes.first = Bytes; 1406 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1407 } 1408 } 1409 1410 // Add macros from the command line. 1411 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1412 ie = Args.filtered_end(); it != ie; ++it) { 1413 if ((*it)->getOption().matches(OPT_D)) 1414 Opts.addMacroDef((*it)->getValue(Args)); 1415 else 1416 Opts.addMacroUndef((*it)->getValue(Args)); 1417 } 1418 1419 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1420 1421 // Add the ordered list of -includes. 1422 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1423 OPT_include_pth), 1424 ie = Args.filtered_end(); it != ie; ++it) { 1425 const Arg *A = *it; 1426 // PCH is handled specially, we need to extra the original include path. 1427 if (A->getOption().matches(OPT_include_pch)) { 1428 std::string OriginalFile = 1429 ASTReader::getOriginalSourceFile(A->getValue(Args), Diags); 1430 if (OriginalFile.empty()) 1431 continue; 1432 1433 Opts.Includes.push_back(OriginalFile); 1434 } else 1435 Opts.Includes.push_back(A->getValue(Args)); 1436 } 1437 1438 // Include 'altivec.h' if -faltivec option present 1439 if (Args.hasArg(OPT_faltivec)) 1440 Opts.Includes.push_back("altivec.h"); 1441 1442 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1443 ie = Args.filtered_end(); it != ie; ++it) { 1444 const Arg *A = *it; 1445 std::pair<llvm::StringRef,llvm::StringRef> Split = 1446 llvm::StringRef(A->getValue(Args)).split(';'); 1447 1448 if (Split.second.empty()) { 1449 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1450 continue; 1451 } 1452 1453 Opts.addRemappedFile(Split.first, Split.second); 1454 } 1455 } 1456 1457 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1458 ArgList &Args) { 1459 using namespace cc1options; 1460 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1461 Opts.ShowComments = Args.hasArg(OPT_C); 1462 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1463 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1464 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1465 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1466 } 1467 1468 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1469 using namespace cc1options; 1470 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1471 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1472 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1473 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1474 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1475 Opts.Triple = Args.getLastArgValue(OPT_triple); 1476 1477 // Use the host triple if unspecified. 1478 if (Opts.Triple.empty()) 1479 Opts.Triple = llvm::sys::getHostTriple(); 1480 } 1481 1482 // 1483 1484 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1485 const char **ArgBegin, 1486 const char **ArgEnd, 1487 Diagnostic &Diags) { 1488 // Parse the arguments. 1489 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1490 unsigned MissingArgIndex, MissingArgCount; 1491 llvm::OwningPtr<InputArgList> Args( 1492 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1493 1494 // Check for missing argument error. 1495 if (MissingArgCount) 1496 Diags.Report(diag::err_drv_missing_argument) 1497 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1498 1499 // Issue errors on unknown arguments. 1500 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1501 ie = Args->filtered_end(); it != ie; ++it) 1502 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1503 1504 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1505 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1506 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1507 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1508 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1509 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1510 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1511 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1512 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1513 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1514 ParseTargetArgs(Res.getTargetOpts(), *Args); 1515 } 1516