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/ADT/Triple.h" 27 #include "llvm/Support/ErrorHandling.h" 28 #include "llvm/System/Host.h" 29 #include "llvm/System/Path.h" 30 using namespace clang; 31 32 static const char *getAnalysisName(Analyses Kind) { 33 switch (Kind) { 34 default: 35 llvm_unreachable("Unknown analysis kind!"); 36 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 37 case NAME: return "-" CMDFLAG; 38 #include "clang/Frontend/Analyses.def" 39 } 40 } 41 42 static const char *getAnalysisStoreName(AnalysisStores Kind) { 43 switch (Kind) { 44 default: 45 llvm_unreachable("Unknown analysis store!"); 46 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 47 case NAME##Model: return CMDFLAG; 48 #include "clang/Frontend/Analyses.def" 49 } 50 } 51 52 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 53 switch (Kind) { 54 default: 55 llvm_unreachable("Unknown analysis constraints!"); 56 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 57 case NAME##Model: return CMDFLAG; 58 #include "clang/Frontend/Analyses.def" 59 } 60 } 61 62 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 63 switch (Kind) { 64 default: 65 llvm_unreachable("Unknown analysis client!"); 66 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 67 case PD_##NAME: return CMDFLAG; 68 #include "clang/Frontend/Analyses.def" 69 } 70 } 71 72 //===----------------------------------------------------------------------===// 73 // Serialization (to args) 74 //===----------------------------------------------------------------------===// 75 76 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 77 std::vector<std::string> &Res) { 78 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 79 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 80 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 81 Res.push_back("-analyzer-store"); 82 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 83 } 84 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 85 Res.push_back("-analyzer-constraints"); 86 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 87 } 88 if (Opts.AnalysisDiagOpt != PD_HTML) { 89 Res.push_back("-analyzer-output"); 90 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 91 } 92 if (!Opts.AnalyzeSpecificFunction.empty()) { 93 Res.push_back("-analyze-function"); 94 Res.push_back(Opts.AnalyzeSpecificFunction); 95 } 96 if (Opts.AnalyzeAll) 97 Res.push_back("-analyzer-opt-analyze-headers"); 98 if (Opts.AnalyzerDisplayProgress) 99 Res.push_back("-analyzer-display-progress"); 100 if (Opts.AnalyzeNestedBlocks) 101 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 102 if (Opts.AnalyzerStats) 103 Res.push_back("-analyzer-stats"); 104 if (Opts.EagerlyAssume) 105 Res.push_back("-analyzer-eagerly-assume"); 106 if (!Opts.PurgeDead) 107 Res.push_back("-analyzer-no-purge-dead"); 108 if (Opts.TrimGraph) 109 Res.push_back("-trim-egraph"); 110 if (Opts.VisualizeEGDot) 111 Res.push_back("-analyzer-viz-egraph-graphviz"); 112 if (Opts.VisualizeEGDot) 113 Res.push_back("-analyzer-viz-egraph-ubigraph"); 114 if (Opts.EnableExperimentalChecks) 115 Res.push_back("-analyzer-experimental-checks"); 116 if (Opts.EnableExperimentalInternalChecks) 117 Res.push_back("-analyzer-experimental-internal-checks"); 118 if (Opts.IdempotentOps) 119 Res.push_back("-analyzer-check-idempotent-operations"); 120 } 121 122 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 123 std::vector<std::string> &Res) { 124 if (Opts.DebugInfo) 125 Res.push_back("-g"); 126 if (Opts.DisableLLVMOpts) 127 Res.push_back("-disable-llvm-optzns"); 128 if (Opts.DisableRedZone) 129 Res.push_back("-disable-red-zone"); 130 if (!Opts.DwarfDebugFlags.empty()) { 131 Res.push_back("-dwarf-debug-flags"); 132 Res.push_back(Opts.DwarfDebugFlags); 133 } 134 if (!Opts.MergeAllConstants) 135 Res.push_back("-fno-merge-all-constants"); 136 if (Opts.NoCommon) 137 Res.push_back("-fno-common"); 138 if (Opts.NoImplicitFloat) 139 Res.push_back("-no-implicit-float"); 140 if (Opts.OmitLeafFramePointer) 141 Res.push_back("-momit-leaf-frame-pointer"); 142 if (Opts.OptimizeSize) { 143 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 144 Res.push_back("-Os"); 145 } else if (Opts.OptimizationLevel != 0) 146 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 147 if (!Opts.MainFileName.empty()) { 148 Res.push_back("-main-file-name"); 149 Res.push_back(Opts.MainFileName); 150 } 151 // SimplifyLibCalls is only derived. 152 // TimePasses is only derived. 153 // UnitAtATime is unused. 154 // Inlining is only derived. 155 156 // UnrollLoops is derived, but also accepts an option, no 157 // harm in pushing it back here. 158 if (Opts.UnrollLoops) 159 Res.push_back("-funroll-loops"); 160 if (Opts.DataSections) 161 Res.push_back("-fdata-sections"); 162 if (Opts.FunctionSections) 163 Res.push_back("-ffunction-sections"); 164 if (Opts.AsmVerbose) 165 Res.push_back("-masm-verbose"); 166 if (!Opts.CodeModel.empty()) { 167 Res.push_back("-mcode-model"); 168 Res.push_back(Opts.CodeModel); 169 } 170 if (!Opts.CXAAtExit) 171 Res.push_back("-fno-use-cxa-atexit"); 172 if (Opts.CXXCtorDtorAliases) 173 Res.push_back("-mconstructor-aliases"); 174 if (!Opts.DebugPass.empty()) { 175 Res.push_back("-mdebug-pass"); 176 Res.push_back(Opts.DebugPass); 177 } 178 if (Opts.DisableFPElim) 179 Res.push_back("-mdisable-fp-elim"); 180 if (!Opts.FloatABI.empty()) { 181 Res.push_back("-mfloat-abi"); 182 Res.push_back(Opts.FloatABI); 183 } 184 if (!Opts.LimitFloatPrecision.empty()) { 185 Res.push_back("-mlimit-float-precision"); 186 Res.push_back(Opts.LimitFloatPrecision); 187 } 188 if (Opts.NoZeroInitializedInBSS) 189 Res.push_back("-mno-zero-initialized-bss"); 190 switch (Opts.getObjCDispatchMethod()) { 191 case CodeGenOptions::Legacy: 192 break; 193 case CodeGenOptions::Mixed: 194 Res.push_back("-fobjc-dispatch-method=mixed"); 195 break; 196 case CodeGenOptions::NonLegacy: 197 Res.push_back("-fobjc-dispatch-method=non-legacy"); 198 break; 199 } 200 if (Opts.RelaxAll) 201 Res.push_back("-mrelax-all"); 202 if (Opts.SoftFloat) 203 Res.push_back("-msoft-float"); 204 if (Opts.UnwindTables) 205 Res.push_back("-munwind-tables"); 206 if (Opts.RelocationModel != "pic") { 207 Res.push_back("-mrelocation-model"); 208 Res.push_back(Opts.RelocationModel); 209 } 210 if (!Opts.VerifyModule) 211 Res.push_back("-disable-llvm-verifier"); 212 } 213 214 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 215 std::vector<std::string> &Res) { 216 if (Opts.IncludeSystemHeaders) 217 Res.push_back("-sys-header-deps"); 218 if (Opts.UsePhonyTargets) 219 Res.push_back("-MP"); 220 if (!Opts.OutputFile.empty()) { 221 Res.push_back("-dependency-file"); 222 Res.push_back(Opts.OutputFile); 223 } 224 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 225 Res.push_back("-MT"); 226 Res.push_back(Opts.Targets[i]); 227 } 228 } 229 230 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 231 std::vector<std::string> &Res) { 232 if (Opts.IgnoreWarnings) 233 Res.push_back("-w"); 234 if (Opts.NoRewriteMacros) 235 Res.push_back("-Wno-rewrite-macros"); 236 if (Opts.Pedantic) 237 Res.push_back("-pedantic"); 238 if (Opts.PedanticErrors) 239 Res.push_back("-pedantic-errors"); 240 if (!Opts.ShowColumn) 241 Res.push_back("-fno-show-column"); 242 if (!Opts.ShowLocation) 243 Res.push_back("-fno-show-source-location"); 244 if (!Opts.ShowCarets) 245 Res.push_back("-fno-caret-diagnostics"); 246 if (!Opts.ShowFixits) 247 Res.push_back("-fno-diagnostics-fixit-info"); 248 if (Opts.ShowSourceRanges) 249 Res.push_back("-fdiagnostics-print-source-range-info"); 250 if (Opts.ShowParseableFixits) 251 Res.push_back("-fdiagnostics-parseable-fixits"); 252 if (Opts.ShowColors) 253 Res.push_back("-fcolor-diagnostics"); 254 if (Opts.VerifyDiagnostics) 255 Res.push_back("-verify"); 256 if (Opts.BinaryOutput) 257 Res.push_back("-fdiagnostics-binary"); 258 if (Opts.ShowOptionNames) 259 Res.push_back("-fdiagnostics-show-option"); 260 if (Opts.ShowCategories == 1) 261 Res.push_back("-fdiagnostics-show-category=id"); 262 else if (Opts.ShowCategories == 2) 263 Res.push_back("-fdiagnostics-show-category=name"); 264 if (Opts.ErrorLimit) { 265 Res.push_back("-ferror-limit"); 266 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 267 } 268 if (Opts.MacroBacktraceLimit 269 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 270 Res.push_back("-fmacro-backtrace-limit"); 271 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 272 } 273 if (Opts.TemplateBacktraceLimit 274 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 275 Res.push_back("-ftemplate-backtrace-limit"); 276 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 277 } 278 279 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 280 Res.push_back("-ftabstop"); 281 Res.push_back(llvm::utostr(Opts.TabStop)); 282 } 283 if (Opts.MessageLength) { 284 Res.push_back("-fmessage-length"); 285 Res.push_back(llvm::utostr(Opts.MessageLength)); 286 } 287 if (!Opts.DumpBuildInformation.empty()) { 288 Res.push_back("-dump-build-information"); 289 Res.push_back(Opts.DumpBuildInformation); 290 } 291 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 292 Res.push_back("-W" + Opts.Warnings[i]); 293 } 294 295 static const char *getInputKindName(InputKind Kind) { 296 switch (Kind) { 297 case IK_None: break; 298 case IK_AST: return "ast"; 299 case IK_Asm: return "assembler-with-cpp"; 300 case IK_C: return "c"; 301 case IK_CXX: return "c++"; 302 case IK_LLVM_IR: return "ir"; 303 case IK_ObjC: return "objective-c"; 304 case IK_ObjCXX: return "objective-c++"; 305 case IK_OpenCL: return "cl"; 306 case IK_PreprocessedC: return "cpp-output"; 307 case IK_PreprocessedCXX: return "c++-cpp-output"; 308 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 309 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 310 } 311 312 llvm_unreachable("Unexpected language kind!"); 313 return 0; 314 } 315 316 static const char *getActionName(frontend::ActionKind Kind) { 317 switch (Kind) { 318 case frontend::PluginAction: 319 case frontend::InheritanceView: 320 llvm_unreachable("Invalid kind!"); 321 322 case frontend::ASTDump: return "-ast-dump"; 323 case frontend::ASTPrint: return "-ast-print"; 324 case frontend::ASTPrintXML: return "-ast-print-xml"; 325 case frontend::ASTView: return "-ast-view"; 326 case frontend::BoostCon: return "-boostcon"; 327 case frontend::CreateModule: return "-create-module"; 328 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 329 case frontend::DumpTokens: return "-dump-tokens"; 330 case frontend::EmitAssembly: return "-S"; 331 case frontend::EmitBC: return "-emit-llvm-bc"; 332 case frontend::EmitHTML: return "-emit-html"; 333 case frontend::EmitLLVM: return "-emit-llvm"; 334 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 335 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 336 case frontend::EmitObj: return "-emit-obj"; 337 case frontend::FixIt: return "-fixit"; 338 case frontend::GeneratePCH: return "-emit-pch"; 339 case frontend::GeneratePTH: return "-emit-pth"; 340 case frontend::InitOnly: return "-init-only"; 341 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 342 case frontend::PrintDeclContext: return "-print-decl-contexts"; 343 case frontend::PrintPreamble: return "-print-preamble"; 344 case frontend::PrintPreprocessedInput: return "-E"; 345 case frontend::RewriteMacros: return "-rewrite-macros"; 346 case frontend::RewriteObjC: return "-rewrite-objc"; 347 case frontend::RewriteTest: return "-rewrite-test"; 348 case frontend::RunAnalysis: return "-analyze"; 349 case frontend::RunPreprocessorOnly: return "-Eonly"; 350 } 351 352 llvm_unreachable("Unexpected language kind!"); 353 return 0; 354 } 355 356 static void FrontendOptsToArgs(const FrontendOptions &Opts, 357 std::vector<std::string> &Res) { 358 if (!Opts.DebugCodeCompletionPrinter) 359 Res.push_back("-no-code-completion-debug-printer"); 360 if (Opts.DisableFree) 361 Res.push_back("-disable-free"); 362 if (Opts.RelocatablePCH) 363 Res.push_back("-relocatable-pch"); 364 if (Opts.ChainedPCH) 365 Res.push_back("-chained-pch"); 366 if (Opts.ShowHelp) 367 Res.push_back("-help"); 368 if (Opts.ShowMacrosInCodeCompletion) 369 Res.push_back("-code-completion-macros"); 370 if (Opts.ShowCodePatternsInCodeCompletion) 371 Res.push_back("-code-completion-patterns"); 372 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 373 Res.push_back("-no-code-completion-globals"); 374 if (Opts.ShowStats) 375 Res.push_back("-print-stats"); 376 if (Opts.ShowTimers) 377 Res.push_back("-ftime-report"); 378 if (Opts.ShowVersion) 379 Res.push_back("-version"); 380 if (Opts.FixWhatYouCan) 381 Res.push_back("-fix-what-you-can"); 382 383 bool NeedLang = false; 384 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 385 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 386 Opts.Inputs[i].first) 387 NeedLang = true; 388 if (NeedLang) { 389 Res.push_back("-x"); 390 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 391 } 392 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 393 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 394 "Unable to represent this input vector!"); 395 Res.push_back(Opts.Inputs[i].second); 396 } 397 398 if (!Opts.OutputFile.empty()) { 399 Res.push_back("-o"); 400 Res.push_back(Opts.OutputFile); 401 } 402 if (!Opts.ViewClassInheritance.empty()) { 403 Res.push_back("-cxx-inheritance-view"); 404 Res.push_back(Opts.ViewClassInheritance); 405 } 406 if (!Opts.CodeCompletionAt.FileName.empty()) { 407 Res.push_back("-code-completion-at"); 408 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 409 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 410 llvm::utostr(Opts.CodeCompletionAt.Column)); 411 } 412 if (Opts.ProgramAction != frontend::InheritanceView && 413 Opts.ProgramAction != frontend::PluginAction) 414 Res.push_back(getActionName(Opts.ProgramAction)); 415 if (!Opts.ActionName.empty()) { 416 Res.push_back("-plugin"); 417 Res.push_back(Opts.ActionName); 418 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 419 Res.push_back("-plugin-arg-" + Opts.ActionName); 420 Res.push_back(Opts.PluginArgs[i]); 421 } 422 } 423 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 424 Res.push_back("-load"); 425 Res.push_back(Opts.Plugins[i]); 426 } 427 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 428 Res.push_back("-ast-merge"); 429 Res.push_back(Opts.ASTMergeFiles[i]); 430 } 431 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 432 Res.push_back("-import-module"); 433 Res.push_back(Opts.Modules[i]); 434 } 435 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 436 Res.push_back("-mllvm"); 437 Res.push_back(Opts.LLVMArgs[i]); 438 } 439 } 440 441 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 442 std::vector<std::string> &Res) { 443 if (Opts.Sysroot != "/") { 444 Res.push_back("-isysroot"); 445 Res.push_back(Opts.Sysroot); 446 } 447 448 for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) { 449 Res.push_back("-cxx-system-include"); 450 Res.push_back(Opts.CXXSystemIncludes[i]); 451 } 452 453 /// User specified include entries. 454 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 455 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 456 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 457 llvm::report_fatal_error("Invalid option set!"); 458 if (E.IsUserSupplied) { 459 if (E.Group == frontend::After) { 460 Res.push_back("-idirafter"); 461 } else if (E.Group == frontend::Quoted) { 462 Res.push_back("-iquote"); 463 } else if (E.Group == frontend::System) { 464 Res.push_back("-isystem"); 465 } else { 466 assert(E.Group == frontend::Angled && "Invalid group!"); 467 Res.push_back(E.IsFramework ? "-F" : "-I"); 468 } 469 } else { 470 if (E.Group != frontend::Angled && E.Group != frontend::System) 471 llvm::report_fatal_error("Invalid option set!"); 472 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 473 "-iwithprefix"); 474 } 475 Res.push_back(E.Path); 476 } 477 478 if (!Opts.EnvIncPath.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.CEnvIncPath.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.ObjCEnvIncPath.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.CXXEnvIncPath.empty()) { 491 // FIXME: Provide an option for this, and move env detection to driver. 492 llvm::report_fatal_error("Not yet implemented!"); 493 } 494 if (!Opts.ObjCXXEnvIncPath.empty()) { 495 // FIXME: Provide an option for this, and move env detection to driver. 496 llvm::report_fatal_error("Not yet implemented!"); 497 } 498 if (!Opts.ResourceDir.empty()) { 499 Res.push_back("-resource-dir"); 500 Res.push_back(Opts.ResourceDir); 501 } 502 if (!Opts.UseStandardIncludes) 503 Res.push_back("-nostdinc"); 504 if (!Opts.UseStandardCXXIncludes) 505 Res.push_back("-nostdinc++"); 506 if (Opts.Verbose) 507 Res.push_back("-v"); 508 } 509 510 static void LangOptsToArgs(const LangOptions &Opts, 511 std::vector<std::string> &Res) { 512 LangOptions DefaultLangOpts; 513 514 // FIXME: Need to set -std to get all the implicit options. 515 516 // FIXME: We want to only pass options relative to the defaults, which 517 // requires constructing a target. :( 518 // 519 // It would be better to push the all target specific choices into the driver, 520 // so that everything below that was more uniform. 521 522 if (Opts.Trigraphs) 523 Res.push_back("-trigraphs"); 524 // Implicit based on the input kind: 525 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 526 // Implicit based on the input language standard: 527 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 528 if (Opts.DollarIdents) 529 Res.push_back("-fdollars-in-identifiers"); 530 if (Opts.GNUMode && !Opts.GNUKeywords) 531 Res.push_back("-fno-gnu-keywords"); 532 if (!Opts.GNUMode && Opts.GNUKeywords) 533 Res.push_back("-fgnu-keywords"); 534 if (Opts.Microsoft) 535 Res.push_back("-fms-extensions"); 536 if (Opts.Borland) 537 Res.push_back("-fborland-extensions"); 538 if (Opts.ObjCNonFragileABI) 539 Res.push_back("-fobjc-nonfragile-abi"); 540 if (Opts.ObjCNonFragileABI2) 541 Res.push_back("-fobjc-nonfragile-abi2"); 542 // NoInline is implicit. 543 if (!Opts.CXXOperatorNames) 544 Res.push_back("-fno-operator-names"); 545 if (Opts.PascalStrings) 546 Res.push_back("-fpascal-strings"); 547 if (Opts.CatchUndefined) 548 Res.push_back("-fcatch-undefined-behavior"); 549 if (Opts.WritableStrings) 550 Res.push_back("-fwritable-strings"); 551 if (Opts.ConstStrings) 552 Res.push_back("-Wwrite-strings"); 553 if (!Opts.LaxVectorConversions) 554 Res.push_back("-fno-lax-vector-conversions"); 555 if (Opts.AltiVec) 556 Res.push_back("-faltivec"); 557 if (Opts.Exceptions) 558 Res.push_back("-fexceptions"); 559 if (Opts.SjLjExceptions) 560 Res.push_back("-fsjlj-exceptions"); 561 if (!Opts.RTTI) 562 Res.push_back("-fno-rtti"); 563 if (!Opts.NeXTRuntime) 564 Res.push_back("-fgnu-runtime"); 565 if (Opts.Freestanding) 566 Res.push_back("-ffreestanding"); 567 if (Opts.NoBuiltin) 568 Res.push_back("-fno-builtin"); 569 if (!Opts.AssumeSaneOperatorNew) 570 Res.push_back("-fno-assume-sane-operator-new"); 571 if (!Opts.ThreadsafeStatics) 572 Res.push_back("-fno-threadsafe-statics"); 573 if (Opts.POSIXThreads) 574 Res.push_back("-pthread"); 575 if (Opts.Blocks) 576 Res.push_back("-fblocks"); 577 if (Opts.EmitAllDecls) 578 Res.push_back("-femit-all-decls"); 579 if (Opts.MathErrno) 580 Res.push_back("-fmath-errno"); 581 switch (Opts.getSignedOverflowBehavior()) { 582 case LangOptions::SOB_Undefined: break; 583 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 584 case LangOptions::SOB_Trapping: 585 Res.push_back("-ftrapv"); break; 586 if (!Opts.OverflowHandler.empty()) { 587 Res.push_back("-ftrapv-handler"); 588 Res.push_back(Opts.OverflowHandler); 589 } 590 } 591 if (Opts.HeinousExtensions) 592 Res.push_back("-fheinous-gnu-extensions"); 593 // Optimize is implicit. 594 // OptimizeSize is implicit. 595 if (Opts.Static) 596 Res.push_back("-static-define"); 597 if (Opts.DumpRecordLayouts) 598 Res.push_back("-fdump-record-layouts"); 599 if (Opts.DumpVTableLayouts) 600 Res.push_back("-fdump-vtable-layouts"); 601 if (Opts.NoBitFieldTypeAlign) 602 Res.push_back("-fno-bitfield-type-alignment"); 603 if (Opts.SjLjExceptions) 604 Res.push_back("-fsjlj-exceptions"); 605 if (Opts.PICLevel) { 606 Res.push_back("-pic-level"); 607 Res.push_back(llvm::utostr(Opts.PICLevel)); 608 } 609 if (Opts.ObjCGCBitmapPrint) 610 Res.push_back("-print-ivar-layout"); 611 if (Opts.NoConstantCFStrings) 612 Res.push_back("-fno-constant-cfstrings"); 613 if (!Opts.AccessControl) 614 Res.push_back("-fno-access-control"); 615 if (!Opts.CharIsSigned) 616 Res.push_back("-fno-signed-char"); 617 if (Opts.ShortWChar) 618 Res.push_back("-fshort-wchar"); 619 if (!Opts.ElideConstructors) 620 Res.push_back("-fno-elide-constructors"); 621 if (Opts.getGCMode() != LangOptions::NonGC) { 622 if (Opts.getGCMode() == LangOptions::HybridGC) { 623 Res.push_back("-fobjc-gc"); 624 } else { 625 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 626 Res.push_back("-fobjc-gc-only"); 627 } 628 } 629 if (Opts.getVisibilityMode() != LangOptions::Default) { 630 Res.push_back("-fvisibility"); 631 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 632 Res.push_back("hidden"); 633 } else { 634 assert(Opts.getVisibilityMode() == LangOptions::Protected && 635 "Invalid visibility!"); 636 Res.push_back("protected"); 637 } 638 } 639 if (Opts.InlineVisibilityHidden) 640 Res.push_back("-fvisibility-inlines-hidden"); 641 642 if (Opts.getStackProtectorMode() != 0) { 643 Res.push_back("-stack-protector"); 644 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 645 } 646 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 647 Res.push_back("-ftemplate-depth"); 648 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 649 } 650 if (!Opts.ObjCConstantStringClass.empty()) { 651 Res.push_back("-fconstant-string-class"); 652 Res.push_back(Opts.ObjCConstantStringClass); 653 } 654 } 655 656 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 657 std::vector<std::string> &Res) { 658 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 659 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 660 Opts.Macros[i].first); 661 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 662 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 663 Res.push_back("-include"); 664 Res.push_back(Opts.Includes[i]); 665 } 666 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 667 Res.push_back("-imacros"); 668 Res.push_back(Opts.MacroIncludes[i]); 669 } 670 if (!Opts.UsePredefines) 671 Res.push_back("-undef"); 672 if (Opts.DetailedRecord) 673 Res.push_back("-detailed-preprocessing-record"); 674 if (!Opts.ImplicitPCHInclude.empty()) { 675 Res.push_back("-include-pch"); 676 Res.push_back(Opts.ImplicitPCHInclude); 677 } 678 if (!Opts.ImplicitPTHInclude.empty()) { 679 Res.push_back("-include-pth"); 680 Res.push_back(Opts.ImplicitPTHInclude); 681 } 682 if (!Opts.TokenCache.empty()) { 683 if (Opts.ImplicitPTHInclude.empty()) { 684 Res.push_back("-token-cache"); 685 Res.push_back(Opts.TokenCache); 686 } else 687 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 688 "Unsupported option combination!"); 689 } 690 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 691 Res.push_back("-remap-file"); 692 Res.push_back(Opts.RemappedFiles[i].first + ";" + 693 Opts.RemappedFiles[i].second); 694 } 695 } 696 697 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 698 std::vector<std::string> &Res) { 699 if (!Opts.ShowCPP && !Opts.ShowMacros) 700 llvm::report_fatal_error("Invalid option combination!"); 701 702 if (Opts.ShowCPP && Opts.ShowMacros) 703 Res.push_back("-dD"); 704 else if (!Opts.ShowCPP && Opts.ShowMacros) 705 Res.push_back("-dM"); 706 707 if (Opts.ShowHeaderIncludes) 708 Res.push_back("-H"); 709 if (!Opts.ShowLineMarkers) 710 Res.push_back("-P"); 711 if (Opts.ShowComments) 712 Res.push_back("-C"); 713 if (Opts.ShowMacroComments) 714 Res.push_back("-CC"); 715 } 716 717 static void TargetOptsToArgs(const TargetOptions &Opts, 718 std::vector<std::string> &Res) { 719 Res.push_back("-triple"); 720 Res.push_back(Opts.Triple); 721 if (!Opts.CPU.empty()) { 722 Res.push_back("-target-cpu"); 723 Res.push_back(Opts.CPU); 724 } 725 if (!Opts.ABI.empty()) { 726 Res.push_back("-target-abi"); 727 Res.push_back(Opts.ABI); 728 } 729 if (!Opts.LinkerVersion.empty()) { 730 Res.push_back("-target-linker-version"); 731 Res.push_back(Opts.LinkerVersion); 732 } 733 if (!Opts.CXXABI.empty()) { 734 Res.push_back("-cxx-abi"); 735 Res.push_back(Opts.CXXABI); 736 } 737 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 738 Res.push_back("-target-feature"); 739 Res.push_back(Opts.Features[i]); 740 } 741 } 742 743 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 744 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 745 CodeGenOptsToArgs(getCodeGenOpts(), Res); 746 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 747 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 748 FrontendOptsToArgs(getFrontendOpts(), Res); 749 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 750 LangOptsToArgs(getLangOpts(), Res); 751 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 752 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 753 TargetOptsToArgs(getTargetOpts(), Res); 754 } 755 756 //===----------------------------------------------------------------------===// 757 // Deserialization (to args) 758 //===----------------------------------------------------------------------===// 759 760 using namespace clang::driver; 761 using namespace clang::driver::cc1options; 762 763 // 764 765 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 766 Diagnostic &Diags) { 767 using namespace cc1options; 768 769 Opts.AnalysisList.clear(); 770 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 771 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 772 #include "clang/Frontend/Analyses.def" 773 774 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 775 llvm::StringRef Name = A->getValue(Args); 776 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 777 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 778 .Case(CMDFLAG, NAME##Model) 779 #include "clang/Frontend/Analyses.def" 780 .Default(NumStores); 781 // FIXME: Error handling. 782 if (Value == NumStores) 783 Diags.Report(diag::err_drv_invalid_value) 784 << A->getAsString(Args) << Name; 785 else 786 Opts.AnalysisStoreOpt = Value; 787 } 788 789 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 790 llvm::StringRef Name = A->getValue(Args); 791 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 792 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 793 .Case(CMDFLAG, NAME##Model) 794 #include "clang/Frontend/Analyses.def" 795 .Default(NumConstraints); 796 // FIXME: Error handling. 797 if (Value == NumConstraints) 798 Diags.Report(diag::err_drv_invalid_value) 799 << A->getAsString(Args) << Name; 800 else 801 Opts.AnalysisConstraintsOpt = Value; 802 } 803 804 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 805 llvm::StringRef Name = A->getValue(Args); 806 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 807 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 808 .Case(CMDFLAG, PD_##NAME) 809 #include "clang/Frontend/Analyses.def" 810 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 811 // FIXME: Error handling. 812 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 813 Diags.Report(diag::err_drv_invalid_value) 814 << A->getAsString(Args) << Name; 815 else 816 Opts.AnalysisDiagOpt = Value; 817 } 818 819 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 820 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 821 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 822 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 823 Opts.AnalyzeNestedBlocks = 824 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 825 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 826 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 827 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 828 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 829 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 830 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 831 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 832 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 833 Opts.EnableExperimentalInternalChecks = 834 Args.hasArg(OPT_analyzer_experimental_internal_checks); 835 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 836 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 837 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 838 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 839 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 840 } 841 842 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 843 Diagnostic &Diags) { 844 using namespace cc1options; 845 // -Os implies -O2 846 if (Args.hasArg(OPT_Os)) 847 Opts.OptimizationLevel = 2; 848 else { 849 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 850 if (Opts.OptimizationLevel > 3) { 851 Diags.Report(diag::err_drv_invalid_value) 852 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 853 Opts.OptimizationLevel = 3; 854 } 855 } 856 857 // We must always run at least the always inlining pass. 858 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 859 : CodeGenOptions::OnlyAlwaysInlining; 860 861 Opts.DebugInfo = Args.hasArg(OPT_g); 862 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 863 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 864 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 865 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 866 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 867 Opts.NoCommon = Args.hasArg(OPT_fno_common); 868 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 869 Opts.OptimizeSize = Args.hasArg(OPT_Os); 870 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 871 Args.hasArg(OPT_ffreestanding)); 872 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 873 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 874 875 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 876 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 877 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 878 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 879 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 880 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 881 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 882 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 883 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 884 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 885 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 886 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 887 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 888 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 889 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 890 891 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 892 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 893 894 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 895 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 896 897 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 898 899 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 900 llvm::StringRef Name = A->getValue(Args); 901 unsigned Method = llvm::StringSwitch<unsigned>(Name) 902 .Case("legacy", CodeGenOptions::Legacy) 903 .Case("non-legacy", CodeGenOptions::NonLegacy) 904 .Case("mixed", CodeGenOptions::Mixed) 905 .Default(~0U); 906 if (Method == ~0U) 907 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 908 else 909 Opts.ObjCDispatchMethod = Method; 910 } 911 } 912 913 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 914 ArgList &Args) { 915 using namespace cc1options; 916 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 917 Opts.Targets = Args.getAllArgValues(OPT_MT); 918 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 919 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 920 } 921 922 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 923 Diagnostic &Diags) { 924 using namespace cc1options; 925 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 926 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 927 Opts.Pedantic = Args.hasArg(OPT_pedantic); 928 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 929 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 930 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 931 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 932 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 933 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 934 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 935 936 llvm::StringRef ShowOverloads = 937 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 938 if (ShowOverloads == "best") 939 Opts.ShowOverloads = Diagnostic::Ovl_Best; 940 else if (ShowOverloads == "all") 941 Opts.ShowOverloads = Diagnostic::Ovl_All; 942 else 943 Diags.Report(diag::err_drv_invalid_value) 944 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 945 << ShowOverloads; 946 947 llvm::StringRef ShowCategory = 948 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 949 if (ShowCategory == "none") 950 Opts.ShowCategories = 0; 951 else if (ShowCategory == "id") 952 Opts.ShowCategories = 1; 953 else if (ShowCategory == "name") 954 Opts.ShowCategories = 2; 955 else 956 Diags.Report(diag::err_drv_invalid_value) 957 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 958 << ShowCategory; 959 960 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 961 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 962 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 963 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 964 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 965 Opts.MacroBacktraceLimit 966 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 967 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 968 Opts.TemplateBacktraceLimit 969 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 970 DiagnosticOptions::DefaultTemplateBacktraceLimit, 971 Diags); 972 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 973 DiagnosticOptions::DefaultTabStop, Diags); 974 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 975 Diags.Report(diag::warn_ignoring_ftabstop_value) 976 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 977 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 978 } 979 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 980 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 981 Opts.Warnings = Args.getAllArgValues(OPT_W); 982 } 983 984 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 985 Diagnostic &Diags) { 986 using namespace cc1options; 987 Opts.ProgramAction = frontend::ParseSyntaxOnly; 988 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 989 switch (A->getOption().getID()) { 990 default: 991 assert(0 && "Invalid option in group!"); 992 case OPT_ast_dump: 993 Opts.ProgramAction = frontend::ASTDump; break; 994 case OPT_ast_print: 995 Opts.ProgramAction = frontend::ASTPrint; break; 996 case OPT_ast_print_xml: 997 Opts.ProgramAction = frontend::ASTPrintXML; break; 998 case OPT_ast_view: 999 Opts.ProgramAction = frontend::ASTView; break; 1000 case OPT_boostcon: 1001 Opts.ProgramAction = frontend::BoostCon; break; 1002 case OPT_dump_raw_tokens: 1003 Opts.ProgramAction = frontend::DumpRawTokens; break; 1004 case OPT_dump_tokens: 1005 Opts.ProgramAction = frontend::DumpTokens; break; 1006 case OPT_S: 1007 Opts.ProgramAction = frontend::EmitAssembly; break; 1008 case OPT_emit_llvm_bc: 1009 Opts.ProgramAction = frontend::EmitBC; break; 1010 case OPT_emit_html: 1011 Opts.ProgramAction = frontend::EmitHTML; break; 1012 case OPT_emit_llvm: 1013 Opts.ProgramAction = frontend::EmitLLVM; break; 1014 case OPT_emit_llvm_only: 1015 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1016 case OPT_emit_codegen_only: 1017 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1018 case OPT_emit_obj: 1019 Opts.ProgramAction = frontend::EmitObj; break; 1020 case OPT_fixit_EQ: 1021 Opts.FixItSuffix = A->getValue(Args); 1022 // fall-through! 1023 case OPT_fixit: 1024 Opts.ProgramAction = frontend::FixIt; break; 1025 case OPT_emit_pch: 1026 Opts.ProgramAction = frontend::GeneratePCH; break; 1027 case OPT_emit_pth: 1028 Opts.ProgramAction = frontend::GeneratePTH; break; 1029 case OPT_init_only: 1030 Opts.ProgramAction = frontend::InitOnly; break; 1031 case OPT_fsyntax_only: 1032 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1033 case OPT_print_decl_contexts: 1034 Opts.ProgramAction = frontend::PrintDeclContext; break; 1035 case OPT_print_preamble: 1036 Opts.ProgramAction = frontend::PrintPreamble; break; 1037 case OPT_E: 1038 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1039 case OPT_rewrite_macros: 1040 Opts.ProgramAction = frontend::RewriteMacros; break; 1041 case OPT_rewrite_objc: 1042 Opts.ProgramAction = frontend::RewriteObjC; break; 1043 case OPT_rewrite_test: 1044 Opts.ProgramAction = frontend::RewriteTest; break; 1045 case OPT_analyze: 1046 Opts.ProgramAction = frontend::RunAnalysis; break; 1047 case OPT_Eonly: 1048 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1049 case OPT_create_module: 1050 Opts.ProgramAction = frontend::CreateModule; break; 1051 } 1052 } 1053 1054 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1055 Opts.Plugins.push_back(A->getValue(Args,0)); 1056 Opts.ProgramAction = frontend::PluginAction; 1057 Opts.ActionName = A->getValue(Args); 1058 1059 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1060 end = Args.filtered_end(); it != end; ++it) { 1061 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1062 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1063 } 1064 } 1065 1066 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1067 Opts.CodeCompletionAt = 1068 ParsedSourceLocation::FromString(A->getValue(Args)); 1069 if (Opts.CodeCompletionAt.FileName.empty()) 1070 Diags.Report(diag::err_drv_invalid_value) 1071 << A->getAsString(Args) << A->getValue(Args); 1072 } 1073 Opts.DebugCodeCompletionPrinter = 1074 !Args.hasArg(OPT_no_code_completion_debug_printer); 1075 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1076 1077 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1078 Opts.Plugins = Args.getAllArgValues(OPT_load); 1079 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1080 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1081 Opts.ShowHelp = Args.hasArg(OPT_help); 1082 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1083 Opts.ShowCodePatternsInCodeCompletion 1084 = Args.hasArg(OPT_code_completion_patterns); 1085 Opts.ShowGlobalSymbolsInCodeCompletion 1086 = !Args.hasArg(OPT_no_code_completion_globals); 1087 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1088 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1089 Opts.ShowVersion = Args.hasArg(OPT_version); 1090 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1091 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1092 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1093 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1094 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1095 1096 InputKind DashX = IK_None; 1097 if (const Arg *A = Args.getLastArg(OPT_x)) { 1098 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1099 .Case("c", IK_C) 1100 .Case("cl", IK_OpenCL) 1101 .Case("c", IK_C) 1102 .Case("cl", IK_OpenCL) 1103 .Case("c++", IK_CXX) 1104 .Case("objective-c", IK_ObjC) 1105 .Case("objective-c++", IK_ObjCXX) 1106 .Case("cpp-output", IK_PreprocessedC) 1107 .Case("assembler-with-cpp", IK_Asm) 1108 .Case("c++-cpp-output", IK_PreprocessedCXX) 1109 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1110 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1111 .Case("c-header", IK_C) 1112 .Case("objective-c-header", IK_ObjC) 1113 .Case("c++-header", IK_CXX) 1114 .Case("objective-c++-header", IK_ObjCXX) 1115 .Case("ast", IK_AST) 1116 .Case("ir", IK_LLVM_IR) 1117 .Default(IK_None); 1118 if (DashX == IK_None) 1119 Diags.Report(diag::err_drv_invalid_value) 1120 << A->getAsString(Args) << A->getValue(Args); 1121 } 1122 1123 // '-' is the default input if none is given. 1124 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1125 Opts.Inputs.clear(); 1126 if (Inputs.empty()) 1127 Inputs.push_back("-"); 1128 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1129 InputKind IK = DashX; 1130 if (IK == IK_None) { 1131 IK = FrontendOptions::getInputKindForExtension( 1132 llvm::StringRef(Inputs[i]).rsplit('.').second); 1133 // FIXME: Remove this hack. 1134 if (i == 0) 1135 DashX = IK; 1136 } 1137 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1138 } 1139 1140 return DashX; 1141 } 1142 1143 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1144 void *MainAddr) { 1145 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1146 1147 if (!P.isEmpty()) { 1148 P.eraseComponent(); // Remove /clang from foo/bin/clang 1149 P.eraseComponent(); // Remove /bin from foo/bin 1150 1151 // Get foo/lib/clang/<version>/include 1152 P.appendComponent("lib"); 1153 P.appendComponent("clang"); 1154 P.appendComponent(CLANG_VERSION_STRING); 1155 } 1156 1157 return P.str(); 1158 } 1159 1160 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1161 using namespace cc1options; 1162 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1163 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1164 Opts.Verbose = Args.hasArg(OPT_v); 1165 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1166 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1167 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1168 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1169 1170 // Add -I... and -F... options in order. 1171 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1172 ie = Args.filtered_end(); it != ie; ++it) 1173 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1174 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1175 1176 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1177 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1178 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1179 OPT_iwithprefixbefore), 1180 ie = Args.filtered_end(); it != ie; ++it) { 1181 const Arg *A = *it; 1182 if (A->getOption().matches(OPT_iprefix)) 1183 Prefix = A->getValue(Args); 1184 else if (A->getOption().matches(OPT_iwithprefix)) 1185 Opts.AddPath(Prefix.str() + A->getValue(Args), 1186 frontend::System, false, false, true); 1187 else 1188 Opts.AddPath(Prefix.str() + A->getValue(Args), 1189 frontend::Angled, false, false, true); 1190 } 1191 1192 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1193 ie = Args.filtered_end(); it != ie; ++it) 1194 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1195 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1196 ie = Args.filtered_end(); it != ie; ++it) 1197 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1198 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1199 ie = Args.filtered_end(); it != ie; ++it) 1200 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1201 (*it)->getOption().matches(OPT_iwithsysroot)); 1202 1203 // FIXME: Need options for the various environment variables! 1204 } 1205 1206 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1207 Diagnostic &Diags) { 1208 // FIXME: Cleanup per-file based stuff. 1209 1210 // Set some properties which depend soley on the input kind; it would be nice 1211 // to move these to the language standard, and have the driver resolve the 1212 // input kind + language standard. 1213 if (IK == IK_Asm) { 1214 Opts.AsmPreprocessor = 1; 1215 } else if (IK == IK_ObjC || 1216 IK == IK_ObjCXX || 1217 IK == IK_PreprocessedObjC || 1218 IK == IK_PreprocessedObjCXX) { 1219 Opts.ObjC1 = Opts.ObjC2 = 1; 1220 } 1221 1222 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1223 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1224 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1225 #define LANGSTANDARD(id, name, desc, features) \ 1226 .Case(name, LangStandard::lang_##id) 1227 #include "clang/Frontend/LangStandards.def" 1228 .Default(LangStandard::lang_unspecified); 1229 if (LangStd == LangStandard::lang_unspecified) 1230 Diags.Report(diag::err_drv_invalid_value) 1231 << A->getAsString(Args) << A->getValue(Args); 1232 } 1233 1234 if (LangStd == LangStandard::lang_unspecified) { 1235 // Based on the base language, pick one. 1236 switch (IK) { 1237 case IK_None: 1238 case IK_AST: 1239 case IK_LLVM_IR: 1240 assert(0 && "Invalid input kind!"); 1241 case IK_OpenCL: 1242 LangStd = LangStandard::lang_opencl; 1243 break; 1244 case IK_Asm: 1245 case IK_C: 1246 case IK_PreprocessedC: 1247 case IK_ObjC: 1248 case IK_PreprocessedObjC: 1249 LangStd = LangStandard::lang_gnu99; 1250 break; 1251 case IK_CXX: 1252 case IK_PreprocessedCXX: 1253 case IK_ObjCXX: 1254 case IK_PreprocessedObjCXX: 1255 LangStd = LangStandard::lang_gnucxx98; 1256 break; 1257 } 1258 } 1259 1260 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1261 Opts.BCPLComment = Std.hasBCPLComments(); 1262 Opts.C99 = Std.isC99(); 1263 Opts.CPlusPlus = Std.isCPlusPlus(); 1264 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1265 Opts.Digraphs = Std.hasDigraphs(); 1266 Opts.GNUMode = Std.isGNUMode(); 1267 Opts.GNUInline = !Std.isC99(); 1268 Opts.HexFloats = Std.hasHexFloats(); 1269 Opts.ImplicitInt = Std.hasImplicitInt(); 1270 1271 // OpenCL has some additional defaults. 1272 if (LangStd == LangStandard::lang_opencl) { 1273 Opts.OpenCL = 1; 1274 Opts.AltiVec = 1; 1275 Opts.CXXOperatorNames = 1; 1276 Opts.LaxVectorConversions = 1; 1277 } 1278 1279 // OpenCL and C++ both have bool, true, false keywords. 1280 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1281 1282 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1283 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1284 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1285 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1286 // name, as it doesn't seem a useful distinction. 1287 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1288 Opts.GNUMode); 1289 1290 if (Opts.CPlusPlus) 1291 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1292 1293 if (Args.hasArg(OPT_fobjc_gc_only)) 1294 Opts.setGCMode(LangOptions::GCOnly); 1295 else if (Args.hasArg(OPT_fobjc_gc)) 1296 Opts.setGCMode(LangOptions::HybridGC); 1297 1298 if (Args.hasArg(OPT_print_ivar_layout)) 1299 Opts.ObjCGCBitmapPrint = 1; 1300 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1301 Opts.NoConstantCFStrings = 1; 1302 1303 if (Args.hasArg(OPT_faltivec)) 1304 Opts.AltiVec = 1; 1305 1306 if (Args.hasArg(OPT_pthread)) 1307 Opts.POSIXThreads = 1; 1308 1309 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1310 if (Vis == "default") 1311 Opts.setVisibilityMode(LangOptions::Default); 1312 else if (Vis == "hidden") 1313 Opts.setVisibilityMode(LangOptions::Hidden); 1314 else if (Vis == "protected") 1315 Opts.setVisibilityMode(LangOptions::Protected); 1316 else 1317 Diags.Report(diag::err_drv_invalid_value) 1318 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1319 1320 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1321 Opts.InlineVisibilityHidden = 1; 1322 1323 if (Args.hasArg(OPT_ftrapv)) { 1324 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1325 // Set the handler, if one is specified. 1326 Opts.OverflowHandler = 1327 Args.getLastArgValue(OPT_ftrapv_handler); 1328 } 1329 else if (Args.hasArg(OPT_fwrapv)) 1330 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1331 1332 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1333 // is specified, or -std is set to a conforming mode. 1334 Opts.Trigraphs = !Opts.GNUMode; 1335 if (Args.hasArg(OPT_trigraphs)) 1336 Opts.Trigraphs = 1; 1337 1338 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1339 OPT_fno_dollars_in_identifiers, 1340 !Opts.AsmPreprocessor); 1341 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1342 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1343 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1344 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1345 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1346 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1347 Opts.LaxVectorConversions = 0; 1348 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1349 Opts.ThreadsafeStatics = 0; 1350 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1351 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1352 Opts.Blocks = Args.hasArg(OPT_fblocks); 1353 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1354 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1355 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1356 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1357 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1358 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1359 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1360 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1361 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1362 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1363 Diags); 1364 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1365 Opts.ObjCConstantStringClass = 1366 Args.getLastArgValue(OPT_fconstant_string_class); 1367 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1368 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1369 if (Opts.ObjCNonFragileABI2) 1370 Opts.ObjCNonFragileABI = true; 1371 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1372 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1373 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1374 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1375 Opts.Static = Args.hasArg(OPT_static_define); 1376 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1377 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1378 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1379 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1380 Opts.OptimizeSize = 0; 1381 1382 // FIXME: Eliminate this dependency. 1383 unsigned Opt = 1384 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1385 Opts.Optimize = Opt != 0; 1386 1387 // This is the __NO_INLINE__ define, which just depends on things like the 1388 // optimization level and -fno-inline, not actually whether the backend has 1389 // inlining enabled. 1390 // 1391 // FIXME: This is affected by other options (-fno-inline). 1392 Opts.NoInline = !Opt; 1393 1394 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1395 switch (SSP) { 1396 default: 1397 Diags.Report(diag::err_drv_invalid_value) 1398 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1399 break; 1400 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1401 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1402 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1403 } 1404 } 1405 1406 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1407 Diagnostic &Diags) { 1408 using namespace cc1options; 1409 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1410 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1411 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1412 Opts.TokenCache = A->getValue(Args); 1413 else 1414 Opts.TokenCache = Opts.ImplicitPTHInclude; 1415 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1416 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1417 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1418 1419 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1420 llvm::StringRef Value(A->getValue(Args)); 1421 size_t Comma = Value.find(','); 1422 unsigned Bytes = 0; 1423 unsigned EndOfLine = 0; 1424 1425 if (Comma == llvm::StringRef::npos || 1426 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1427 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1428 Diags.Report(diag::err_drv_preamble_format); 1429 else { 1430 Opts.PrecompiledPreambleBytes.first = Bytes; 1431 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1432 } 1433 } 1434 1435 // Add macros from the command line. 1436 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1437 ie = Args.filtered_end(); it != ie; ++it) { 1438 if ((*it)->getOption().matches(OPT_D)) 1439 Opts.addMacroDef((*it)->getValue(Args)); 1440 else 1441 Opts.addMacroUndef((*it)->getValue(Args)); 1442 } 1443 1444 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1445 1446 // Add the ordered list of -includes. 1447 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1448 OPT_include_pth), 1449 ie = Args.filtered_end(); it != ie; ++it) { 1450 const Arg *A = *it; 1451 // PCH is handled specially, we need to extra the original include path. 1452 if (A->getOption().matches(OPT_include_pch)) { 1453 std::string OriginalFile = 1454 ASTReader::getOriginalSourceFile(A->getValue(Args), Diags); 1455 if (OriginalFile.empty()) 1456 continue; 1457 1458 Opts.Includes.push_back(OriginalFile); 1459 } else 1460 Opts.Includes.push_back(A->getValue(Args)); 1461 } 1462 1463 // Include 'altivec.h' if -faltivec option present 1464 if (Args.hasArg(OPT_faltivec)) 1465 Opts.Includes.push_back("altivec.h"); 1466 1467 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1468 ie = Args.filtered_end(); it != ie; ++it) { 1469 const Arg *A = *it; 1470 std::pair<llvm::StringRef,llvm::StringRef> Split = 1471 llvm::StringRef(A->getValue(Args)).split(';'); 1472 1473 if (Split.second.empty()) { 1474 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1475 continue; 1476 } 1477 1478 Opts.addRemappedFile(Split.first, Split.second); 1479 } 1480 } 1481 1482 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1483 ArgList &Args) { 1484 using namespace cc1options; 1485 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1486 Opts.ShowComments = Args.hasArg(OPT_C); 1487 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1488 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1489 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1490 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1491 } 1492 1493 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1494 using namespace cc1options; 1495 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1496 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1497 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1498 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1499 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1500 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1501 1502 // Use the host triple if unspecified. 1503 if (Opts.Triple.empty()) 1504 Opts.Triple = llvm::sys::getHostTriple(); 1505 } 1506 1507 // 1508 1509 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1510 const char **ArgBegin, 1511 const char **ArgEnd, 1512 Diagnostic &Diags) { 1513 // Parse the arguments. 1514 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1515 unsigned MissingArgIndex, MissingArgCount; 1516 llvm::OwningPtr<InputArgList> Args( 1517 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1518 1519 // Check for missing argument error. 1520 if (MissingArgCount) 1521 Diags.Report(diag::err_drv_missing_argument) 1522 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1523 1524 // Issue errors on unknown arguments. 1525 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1526 ie = Args->filtered_end(); it != ie; ++it) 1527 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1528 1529 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1530 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1531 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1532 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1533 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1534 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1535 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1536 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1537 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1538 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1539 ParseTargetArgs(Res.getTargetOpts(), *Args); 1540 } 1541