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.EagerlyAssume) 103 Res.push_back("-analyzer-eagerly-assume"); 104 if (!Opts.PurgeDead) 105 Res.push_back("-analyzer-no-purge-dead"); 106 if (Opts.TrimGraph) 107 Res.push_back("-trim-egraph"); 108 if (Opts.VisualizeEGDot) 109 Res.push_back("-analyzer-viz-egraph-graphviz"); 110 if (Opts.VisualizeEGDot) 111 Res.push_back("-analyzer-viz-egraph-ubigraph"); 112 if (Opts.EnableExperimentalChecks) 113 Res.push_back("-analyzer-experimental-checks"); 114 if (Opts.EnableExperimentalInternalChecks) 115 Res.push_back("-analyzer-experimental-internal-checks"); 116 if (Opts.IdempotentOps) 117 Res.push_back("-analyzer-check-idempotent-operations"); 118 } 119 120 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 121 std::vector<std::string> &Res) { 122 if (Opts.DebugInfo) 123 Res.push_back("-g"); 124 if (Opts.DisableLLVMOpts) 125 Res.push_back("-disable-llvm-optzns"); 126 if (Opts.DisableRedZone) 127 Res.push_back("-disable-red-zone"); 128 if (!Opts.DwarfDebugFlags.empty()) { 129 Res.push_back("-dwarf-debug-flags"); 130 Res.push_back(Opts.DwarfDebugFlags); 131 } 132 if (!Opts.MergeAllConstants) 133 Res.push_back("-fno-merge-all-constants"); 134 if (Opts.NoCommon) 135 Res.push_back("-fno-common"); 136 if (Opts.NoImplicitFloat) 137 Res.push_back("-no-implicit-float"); 138 if (Opts.OmitLeafFramePointer) 139 Res.push_back("-momit-leaf-frame-pointer"); 140 if (Opts.OptimizeSize) { 141 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 142 Res.push_back("-Os"); 143 } else if (Opts.OptimizationLevel != 0) 144 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 145 if (!Opts.MainFileName.empty()) { 146 Res.push_back("-main-file-name"); 147 Res.push_back(Opts.MainFileName); 148 } 149 // SimplifyLibCalls is only derived. 150 // TimePasses is only derived. 151 // UnitAtATime is unused. 152 // Inlining is only derived. 153 154 // UnrollLoops is derived, but also accepts an option, no 155 // harm in pushing it back here. 156 if (Opts.UnrollLoops) 157 Res.push_back("-funroll-loops"); 158 if (Opts.DataSections) 159 Res.push_back("-fdata-sections"); 160 if (Opts.FunctionSections) 161 Res.push_back("-ffunction-sections"); 162 if (Opts.AsmVerbose) 163 Res.push_back("-masm-verbose"); 164 if (!Opts.CodeModel.empty()) { 165 Res.push_back("-mcode-model"); 166 Res.push_back(Opts.CodeModel); 167 } 168 if (!Opts.CXAAtExit) 169 Res.push_back("-fno-use-cxa-atexit"); 170 if (Opts.CXXCtorDtorAliases) 171 Res.push_back("-mconstructor-aliases"); 172 if (!Opts.DebugPass.empty()) { 173 Res.push_back("-mdebug-pass"); 174 Res.push_back(Opts.DebugPass); 175 } 176 if (Opts.DisableFPElim) 177 Res.push_back("-mdisable-fp-elim"); 178 if (!Opts.FloatABI.empty()) { 179 Res.push_back("-mfloat-abi"); 180 Res.push_back(Opts.FloatABI); 181 } 182 if (!Opts.LimitFloatPrecision.empty()) { 183 Res.push_back("-mlimit-float-precision"); 184 Res.push_back(Opts.LimitFloatPrecision); 185 } 186 if (Opts.NoZeroInitializedInBSS) 187 Res.push_back("-mno-zero-initialized-bss"); 188 switch (Opts.getObjCDispatchMethod()) { 189 case CodeGenOptions::Legacy: 190 break; 191 case CodeGenOptions::Mixed: 192 Res.push_back("-fobjc-dispatch-method=mixed"); 193 break; 194 case CodeGenOptions::NonLegacy: 195 Res.push_back("-fobjc-dispatch-method=non-legacy"); 196 break; 197 } 198 if (Opts.RelaxAll) 199 Res.push_back("-mrelax-all"); 200 if (Opts.SoftFloat) 201 Res.push_back("-msoft-float"); 202 if (Opts.UnwindTables) 203 Res.push_back("-munwind-tables"); 204 if (Opts.RelocationModel != "pic") { 205 Res.push_back("-mrelocation-model"); 206 Res.push_back(Opts.RelocationModel); 207 } 208 if (!Opts.VerifyModule) 209 Res.push_back("-disable-llvm-verifier"); 210 } 211 212 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 213 std::vector<std::string> &Res) { 214 if (Opts.IncludeSystemHeaders) 215 Res.push_back("-sys-header-deps"); 216 if (Opts.UsePhonyTargets) 217 Res.push_back("-MP"); 218 if (!Opts.OutputFile.empty()) { 219 Res.push_back("-dependency-file"); 220 Res.push_back(Opts.OutputFile); 221 } 222 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 223 Res.push_back("-MT"); 224 Res.push_back(Opts.Targets[i]); 225 } 226 } 227 228 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 229 std::vector<std::string> &Res) { 230 if (Opts.IgnoreWarnings) 231 Res.push_back("-w"); 232 if (Opts.NoRewriteMacros) 233 Res.push_back("-Wno-rewrite-macros"); 234 if (Opts.Pedantic) 235 Res.push_back("-pedantic"); 236 if (Opts.PedanticErrors) 237 Res.push_back("-pedantic-errors"); 238 if (!Opts.ShowColumn) 239 Res.push_back("-fno-show-column"); 240 if (!Opts.ShowLocation) 241 Res.push_back("-fno-show-source-location"); 242 if (!Opts.ShowCarets) 243 Res.push_back("-fno-caret-diagnostics"); 244 if (!Opts.ShowFixits) 245 Res.push_back("-fno-diagnostics-fixit-info"); 246 if (Opts.ShowSourceRanges) 247 Res.push_back("-fdiagnostics-print-source-range-info"); 248 if (Opts.ShowParseableFixits) 249 Res.push_back("-fdiagnostics-parseable-fixits"); 250 if (Opts.ShowColors) 251 Res.push_back("-fcolor-diagnostics"); 252 if (Opts.VerifyDiagnostics) 253 Res.push_back("-verify"); 254 if (Opts.BinaryOutput) 255 Res.push_back("-fdiagnostics-binary"); 256 if (Opts.ShowOptionNames) 257 Res.push_back("-fdiagnostics-show-option"); 258 if (Opts.ShowCategories == 1) 259 Res.push_back("-fdiagnostics-show-category=id"); 260 else if (Opts.ShowCategories == 2) 261 Res.push_back("-fdiagnostics-show-category=name"); 262 if (Opts.ErrorLimit) { 263 Res.push_back("-ferror-limit"); 264 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 265 } 266 if (Opts.MacroBacktraceLimit 267 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 268 Res.push_back("-fmacro-backtrace-limit"); 269 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 270 } 271 if (Opts.TemplateBacktraceLimit 272 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 273 Res.push_back("-ftemplate-backtrace-limit"); 274 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 275 } 276 277 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 278 Res.push_back("-ftabstop"); 279 Res.push_back(llvm::utostr(Opts.TabStop)); 280 } 281 if (Opts.MessageLength) { 282 Res.push_back("-fmessage-length"); 283 Res.push_back(llvm::utostr(Opts.MessageLength)); 284 } 285 if (!Opts.DumpBuildInformation.empty()) { 286 Res.push_back("-dump-build-information"); 287 Res.push_back(Opts.DumpBuildInformation); 288 } 289 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 290 Res.push_back("-W" + Opts.Warnings[i]); 291 } 292 293 static const char *getInputKindName(InputKind Kind) { 294 switch (Kind) { 295 case IK_None: break; 296 case IK_AST: return "ast"; 297 case IK_Asm: return "assembler-with-cpp"; 298 case IK_C: return "c"; 299 case IK_CXX: return "c++"; 300 case IK_LLVM_IR: return "ir"; 301 case IK_ObjC: return "objective-c"; 302 case IK_ObjCXX: return "objective-c++"; 303 case IK_OpenCL: return "cl"; 304 case IK_PreprocessedC: return "cpp-output"; 305 case IK_PreprocessedCXX: return "c++-cpp-output"; 306 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 307 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 308 } 309 310 llvm_unreachable("Unexpected language kind!"); 311 return 0; 312 } 313 314 static const char *getActionName(frontend::ActionKind Kind) { 315 switch (Kind) { 316 case frontend::PluginAction: 317 case frontend::InheritanceView: 318 llvm_unreachable("Invalid kind!"); 319 320 case frontend::ASTDump: return "-ast-dump"; 321 case frontend::ASTPrint: return "-ast-print"; 322 case frontend::ASTPrintXML: return "-ast-print-xml"; 323 case frontend::ASTView: return "-ast-view"; 324 case frontend::BoostCon: return "-boostcon"; 325 case frontend::CreateModule: return "-create-module"; 326 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 327 case frontend::DumpTokens: return "-dump-tokens"; 328 case frontend::EmitAssembly: return "-S"; 329 case frontend::EmitBC: return "-emit-llvm-bc"; 330 case frontend::EmitHTML: return "-emit-html"; 331 case frontend::EmitLLVM: return "-emit-llvm"; 332 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 333 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 334 case frontend::EmitObj: return "-emit-obj"; 335 case frontend::FixIt: return "-fixit"; 336 case frontend::GeneratePCH: return "-emit-pch"; 337 case frontend::GeneratePTH: return "-emit-pth"; 338 case frontend::InitOnly: return "-init-only"; 339 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 340 case frontend::PrintDeclContext: return "-print-decl-contexts"; 341 case frontend::PrintPreamble: return "-print-preamble"; 342 case frontend::PrintPreprocessedInput: return "-E"; 343 case frontend::RewriteMacros: return "-rewrite-macros"; 344 case frontend::RewriteObjC: return "-rewrite-objc"; 345 case frontend::RewriteTest: return "-rewrite-test"; 346 case frontend::RunAnalysis: return "-analyze"; 347 case frontend::RunPreprocessorOnly: return "-Eonly"; 348 } 349 350 llvm_unreachable("Unexpected language kind!"); 351 return 0; 352 } 353 354 static void FrontendOptsToArgs(const FrontendOptions &Opts, 355 std::vector<std::string> &Res) { 356 if (!Opts.DebugCodeCompletionPrinter) 357 Res.push_back("-no-code-completion-debug-printer"); 358 if (Opts.DisableFree) 359 Res.push_back("-disable-free"); 360 if (Opts.RelocatablePCH) 361 Res.push_back("-relocatable-pch"); 362 if (Opts.ChainedPCH) 363 Res.push_back("-chained-pch"); 364 if (Opts.ShowHelp) 365 Res.push_back("-help"); 366 if (Opts.ShowMacrosInCodeCompletion) 367 Res.push_back("-code-completion-macros"); 368 if (Opts.ShowCodePatternsInCodeCompletion) 369 Res.push_back("-code-completion-patterns"); 370 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 371 Res.push_back("-no-code-completion-globals"); 372 if (Opts.ShowStats) 373 Res.push_back("-print-stats"); 374 if (Opts.ShowTimers) 375 Res.push_back("-ftime-report"); 376 if (Opts.ShowVersion) 377 Res.push_back("-version"); 378 if (Opts.FixWhatYouCan) 379 Res.push_back("-fix-what-you-can"); 380 381 bool NeedLang = false; 382 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 383 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 384 Opts.Inputs[i].first) 385 NeedLang = true; 386 if (NeedLang) { 387 Res.push_back("-x"); 388 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 389 } 390 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 391 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 392 "Unable to represent this input vector!"); 393 Res.push_back(Opts.Inputs[i].second); 394 } 395 396 if (!Opts.OutputFile.empty()) { 397 Res.push_back("-o"); 398 Res.push_back(Opts.OutputFile); 399 } 400 if (!Opts.ViewClassInheritance.empty()) { 401 Res.push_back("-cxx-inheritance-view"); 402 Res.push_back(Opts.ViewClassInheritance); 403 } 404 if (!Opts.CodeCompletionAt.FileName.empty()) { 405 Res.push_back("-code-completion-at"); 406 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 407 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 408 llvm::utostr(Opts.CodeCompletionAt.Column)); 409 } 410 if (Opts.ProgramAction != frontend::InheritanceView && 411 Opts.ProgramAction != frontend::PluginAction) 412 Res.push_back(getActionName(Opts.ProgramAction)); 413 if (!Opts.ActionName.empty()) { 414 Res.push_back("-plugin"); 415 Res.push_back(Opts.ActionName); 416 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 417 Res.push_back("-plugin-arg-" + Opts.ActionName); 418 Res.push_back(Opts.PluginArgs[i]); 419 } 420 } 421 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 422 Res.push_back("-load"); 423 Res.push_back(Opts.Plugins[i]); 424 } 425 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 426 Res.push_back("-ast-merge"); 427 Res.push_back(Opts.ASTMergeFiles[i]); 428 } 429 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 430 Res.push_back("-import-module"); 431 Res.push_back(Opts.Modules[i]); 432 } 433 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 434 Res.push_back("-mllvm"); 435 Res.push_back(Opts.LLVMArgs[i]); 436 } 437 } 438 439 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 440 std::vector<std::string> &Res) { 441 if (Opts.Sysroot != "/") { 442 Res.push_back("-isysroot"); 443 Res.push_back(Opts.Sysroot); 444 } 445 446 for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) { 447 Res.push_back("-cxx-system-include"); 448 Res.push_back(Opts.CXXSystemIncludes[i]); 449 } 450 451 /// User specified include entries. 452 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 453 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 454 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 455 llvm::report_fatal_error("Invalid option set!"); 456 if (E.IsUserSupplied) { 457 if (E.Group == frontend::After) { 458 Res.push_back("-idirafter"); 459 } else if (E.Group == frontend::Quoted) { 460 Res.push_back("-iquote"); 461 } else if (E.Group == frontend::System) { 462 Res.push_back("-isystem"); 463 } else { 464 assert(E.Group == frontend::Angled && "Invalid group!"); 465 Res.push_back(E.IsFramework ? "-F" : "-I"); 466 } 467 } else { 468 if (E.Group != frontend::Angled && E.Group != frontend::System) 469 llvm::report_fatal_error("Invalid option set!"); 470 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 471 "-iwithprefix"); 472 } 473 Res.push_back(E.Path); 474 } 475 476 if (!Opts.EnvIncPath.empty()) { 477 // FIXME: Provide an option for this, and move env detection to driver. 478 llvm::report_fatal_error("Not yet implemented!"); 479 } 480 if (!Opts.CEnvIncPath.empty()) { 481 // FIXME: Provide an option for this, and move env detection to driver. 482 llvm::report_fatal_error("Not yet implemented!"); 483 } 484 if (!Opts.ObjCEnvIncPath.empty()) { 485 // FIXME: Provide an option for this, and move env detection to driver. 486 llvm::report_fatal_error("Not yet implemented!"); 487 } 488 if (!Opts.CXXEnvIncPath.empty()) { 489 // FIXME: Provide an option for this, and move env detection to driver. 490 llvm::report_fatal_error("Not yet implemented!"); 491 } 492 if (!Opts.ObjCXXEnvIncPath.empty()) { 493 // FIXME: Provide an option for this, and move env detection to driver. 494 llvm::report_fatal_error("Not yet implemented!"); 495 } 496 if (!Opts.ResourceDir.empty()) { 497 Res.push_back("-resource-dir"); 498 Res.push_back(Opts.ResourceDir); 499 } 500 if (!Opts.UseStandardIncludes) 501 Res.push_back("-nostdinc"); 502 if (!Opts.UseStandardCXXIncludes) 503 Res.push_back("-nostdinc++"); 504 if (Opts.Verbose) 505 Res.push_back("-v"); 506 } 507 508 static void LangOptsToArgs(const LangOptions &Opts, 509 std::vector<std::string> &Res) { 510 LangOptions DefaultLangOpts; 511 512 // FIXME: Need to set -std to get all the implicit options. 513 514 // FIXME: We want to only pass options relative to the defaults, which 515 // requires constructing a target. :( 516 // 517 // It would be better to push the all target specific choices into the driver, 518 // so that everything below that was more uniform. 519 520 if (Opts.Trigraphs) 521 Res.push_back("-trigraphs"); 522 // Implicit based on the input kind: 523 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 524 // Implicit based on the input language standard: 525 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 526 if (Opts.DollarIdents) 527 Res.push_back("-fdollars-in-identifiers"); 528 if (Opts.GNUMode && !Opts.GNUKeywords) 529 Res.push_back("-fno-gnu-keywords"); 530 if (!Opts.GNUMode && Opts.GNUKeywords) 531 Res.push_back("-fgnu-keywords"); 532 if (Opts.Microsoft) 533 Res.push_back("-fms-extensions"); 534 if (Opts.Borland) 535 Res.push_back("-fborland-extensions"); 536 if (Opts.ObjCNonFragileABI) 537 Res.push_back("-fobjc-nonfragile-abi"); 538 if (Opts.ObjCNonFragileABI2) 539 Res.push_back("-fobjc-nonfragile-abi2"); 540 // NoInline is implicit. 541 if (!Opts.CXXOperatorNames) 542 Res.push_back("-fno-operator-names"); 543 if (Opts.PascalStrings) 544 Res.push_back("-fpascal-strings"); 545 if (Opts.CatchUndefined) 546 Res.push_back("-fcatch-undefined-behavior"); 547 if (Opts.WritableStrings) 548 Res.push_back("-fwritable-strings"); 549 if (Opts.ConstStrings) 550 Res.push_back("-Wwrite-strings"); 551 if (!Opts.LaxVectorConversions) 552 Res.push_back("-fno-lax-vector-conversions"); 553 if (Opts.AltiVec) 554 Res.push_back("-faltivec"); 555 if (Opts.Exceptions) 556 Res.push_back("-fexceptions"); 557 if (Opts.SjLjExceptions) 558 Res.push_back("-fsjlj-exceptions"); 559 if (!Opts.RTTI) 560 Res.push_back("-fno-rtti"); 561 if (!Opts.NeXTRuntime) 562 Res.push_back("-fgnu-runtime"); 563 if (Opts.Freestanding) 564 Res.push_back("-ffreestanding"); 565 if (Opts.NoBuiltin) 566 Res.push_back("-fno-builtin"); 567 if (!Opts.AssumeSaneOperatorNew) 568 Res.push_back("-fno-assume-sane-operator-new"); 569 if (!Opts.ThreadsafeStatics) 570 Res.push_back("-fno-threadsafe-statics"); 571 if (Opts.POSIXThreads) 572 Res.push_back("-pthread"); 573 if (Opts.Blocks) 574 Res.push_back("-fblocks"); 575 if (Opts.EmitAllDecls) 576 Res.push_back("-femit-all-decls"); 577 if (Opts.MathErrno) 578 Res.push_back("-fmath-errno"); 579 switch (Opts.getSignedOverflowBehavior()) { 580 case LangOptions::SOB_Undefined: break; 581 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 582 case LangOptions::SOB_Trapping: Res.push_back("-ftrapv"); break; 583 } 584 if (Opts.HeinousExtensions) 585 Res.push_back("-fheinous-gnu-extensions"); 586 // Optimize is implicit. 587 // OptimizeSize is implicit. 588 if (Opts.Static) 589 Res.push_back("-static-define"); 590 if (Opts.DumpRecordLayouts) 591 Res.push_back("-fdump-record-layouts"); 592 if (Opts.DumpVTableLayouts) 593 Res.push_back("-fdump-vtable-layouts"); 594 if (Opts.NoBitFieldTypeAlign) 595 Res.push_back("-fno-bitfield-type-alignment"); 596 if (Opts.SjLjExceptions) 597 Res.push_back("-fsjlj-exceptions"); 598 if (Opts.PICLevel) { 599 Res.push_back("-pic-level"); 600 Res.push_back(llvm::utostr(Opts.PICLevel)); 601 } 602 if (Opts.ObjCGCBitmapPrint) 603 Res.push_back("-print-ivar-layout"); 604 if (Opts.NoConstantCFStrings) 605 Res.push_back("-fno-constant-cfstrings"); 606 if (!Opts.AccessControl) 607 Res.push_back("-fno-access-control"); 608 if (!Opts.CharIsSigned) 609 Res.push_back("-fno-signed-char"); 610 if (Opts.ShortWChar) 611 Res.push_back("-fshort-wchar"); 612 if (!Opts.ElideConstructors) 613 Res.push_back("-fno-elide-constructors"); 614 if (Opts.getGCMode() != LangOptions::NonGC) { 615 if (Opts.getGCMode() == LangOptions::HybridGC) { 616 Res.push_back("-fobjc-gc"); 617 } else { 618 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 619 Res.push_back("-fobjc-gc-only"); 620 } 621 } 622 if (Opts.getVisibilityMode() != LangOptions::Default) { 623 Res.push_back("-fvisibility"); 624 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 625 Res.push_back("hidden"); 626 } else { 627 assert(Opts.getVisibilityMode() == LangOptions::Protected && 628 "Invalid visibility!"); 629 Res.push_back("protected"); 630 } 631 } 632 if (Opts.InlineVisibilityHidden) 633 Res.push_back("-fvisibility-inlines-hidden"); 634 635 if (Opts.getStackProtectorMode() != 0) { 636 Res.push_back("-stack-protector"); 637 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 638 } 639 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 640 Res.push_back("-ftemplate-depth"); 641 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 642 } 643 if (!Opts.ObjCConstantStringClass.empty()) { 644 Res.push_back("-fconstant-string-class"); 645 Res.push_back(Opts.ObjCConstantStringClass); 646 } 647 } 648 649 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 650 std::vector<std::string> &Res) { 651 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 652 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 653 Opts.Macros[i].first); 654 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 655 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 656 Res.push_back("-include"); 657 Res.push_back(Opts.Includes[i]); 658 } 659 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 660 Res.push_back("-imacros"); 661 Res.push_back(Opts.MacroIncludes[i]); 662 } 663 if (!Opts.UsePredefines) 664 Res.push_back("-undef"); 665 if (Opts.DetailedRecord) 666 Res.push_back("-detailed-preprocessing-record"); 667 if (!Opts.ImplicitPCHInclude.empty()) { 668 Res.push_back("-include-pch"); 669 Res.push_back(Opts.ImplicitPCHInclude); 670 } 671 if (!Opts.ImplicitPTHInclude.empty()) { 672 Res.push_back("-include-pth"); 673 Res.push_back(Opts.ImplicitPTHInclude); 674 } 675 if (!Opts.TokenCache.empty()) { 676 if (Opts.ImplicitPTHInclude.empty()) { 677 Res.push_back("-token-cache"); 678 Res.push_back(Opts.TokenCache); 679 } else 680 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 681 "Unsupported option combination!"); 682 } 683 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 684 Res.push_back("-remap-file"); 685 Res.push_back(Opts.RemappedFiles[i].first + ";" + 686 Opts.RemappedFiles[i].second); 687 } 688 } 689 690 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 691 std::vector<std::string> &Res) { 692 if (!Opts.ShowCPP && !Opts.ShowMacros) 693 llvm::report_fatal_error("Invalid option combination!"); 694 695 if (Opts.ShowCPP && Opts.ShowMacros) 696 Res.push_back("-dD"); 697 else if (!Opts.ShowCPP && Opts.ShowMacros) 698 Res.push_back("-dM"); 699 700 if (Opts.ShowHeaderIncludes) 701 Res.push_back("-H"); 702 if (!Opts.ShowLineMarkers) 703 Res.push_back("-P"); 704 if (Opts.ShowComments) 705 Res.push_back("-C"); 706 if (Opts.ShowMacroComments) 707 Res.push_back("-CC"); 708 } 709 710 static void TargetOptsToArgs(const TargetOptions &Opts, 711 std::vector<std::string> &Res) { 712 Res.push_back("-triple"); 713 Res.push_back(Opts.Triple); 714 if (!Opts.CPU.empty()) { 715 Res.push_back("-target-cpu"); 716 Res.push_back(Opts.CPU); 717 } 718 if (!Opts.ABI.empty()) { 719 Res.push_back("-target-abi"); 720 Res.push_back(Opts.ABI); 721 } 722 if (!Opts.LinkerVersion.empty()) { 723 Res.push_back("-target-linker-version"); 724 Res.push_back(Opts.LinkerVersion); 725 } 726 if (!Opts.CXXABI.empty()) { 727 Res.push_back("-cxx-abi"); 728 Res.push_back(Opts.CXXABI); 729 } 730 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 731 Res.push_back("-target-feature"); 732 Res.push_back(Opts.Features[i]); 733 } 734 } 735 736 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 737 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 738 CodeGenOptsToArgs(getCodeGenOpts(), Res); 739 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 740 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 741 FrontendOptsToArgs(getFrontendOpts(), Res); 742 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 743 LangOptsToArgs(getLangOpts(), Res); 744 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 745 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 746 TargetOptsToArgs(getTargetOpts(), Res); 747 } 748 749 //===----------------------------------------------------------------------===// 750 // Deserialization (to args) 751 //===----------------------------------------------------------------------===// 752 753 using namespace clang::driver; 754 using namespace clang::driver::cc1options; 755 756 // 757 758 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 759 Diagnostic &Diags) { 760 using namespace cc1options; 761 762 Opts.AnalysisList.clear(); 763 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 764 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 765 #include "clang/Frontend/Analyses.def" 766 767 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 768 llvm::StringRef Name = A->getValue(Args); 769 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 770 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 771 .Case(CMDFLAG, NAME##Model) 772 #include "clang/Frontend/Analyses.def" 773 .Default(NumStores); 774 // FIXME: Error handling. 775 if (Value == NumStores) 776 Diags.Report(diag::err_drv_invalid_value) 777 << A->getAsString(Args) << Name; 778 else 779 Opts.AnalysisStoreOpt = Value; 780 } 781 782 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 783 llvm::StringRef Name = A->getValue(Args); 784 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 785 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 786 .Case(CMDFLAG, NAME##Model) 787 #include "clang/Frontend/Analyses.def" 788 .Default(NumConstraints); 789 // FIXME: Error handling. 790 if (Value == NumConstraints) 791 Diags.Report(diag::err_drv_invalid_value) 792 << A->getAsString(Args) << Name; 793 else 794 Opts.AnalysisConstraintsOpt = Value; 795 } 796 797 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 798 llvm::StringRef Name = A->getValue(Args); 799 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 800 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 801 .Case(CMDFLAG, PD_##NAME) 802 #include "clang/Frontend/Analyses.def" 803 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 804 // FIXME: Error handling. 805 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 806 Diags.Report(diag::err_drv_invalid_value) 807 << A->getAsString(Args) << Name; 808 else 809 Opts.AnalysisDiagOpt = Value; 810 } 811 812 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 813 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 814 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 815 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 816 Opts.AnalyzeNestedBlocks = 817 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 818 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 819 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 820 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 821 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 822 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 823 Opts.EnableExperimentalInternalChecks = 824 Args.hasArg(OPT_analyzer_experimental_internal_checks); 825 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 826 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 827 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 828 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 829 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 830 } 831 832 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 833 Diagnostic &Diags) { 834 using namespace cc1options; 835 // -Os implies -O2 836 if (Args.hasArg(OPT_Os)) 837 Opts.OptimizationLevel = 2; 838 else { 839 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 840 if (Opts.OptimizationLevel > 3) { 841 Diags.Report(diag::err_drv_invalid_value) 842 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 843 Opts.OptimizationLevel = 3; 844 } 845 } 846 847 // We must always run at least the always inlining pass. 848 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 849 : CodeGenOptions::OnlyAlwaysInlining; 850 851 Opts.DebugInfo = Args.hasArg(OPT_g); 852 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 853 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 854 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 855 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 856 Opts.NoCommon = Args.hasArg(OPT_fno_common); 857 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 858 Opts.OptimizeSize = Args.hasArg(OPT_Os); 859 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 860 Args.hasArg(OPT_ffreestanding)); 861 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 862 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 863 864 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 865 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 866 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 867 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 868 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 869 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 870 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 871 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 872 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 873 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 874 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 875 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 876 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 877 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 878 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 879 880 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 881 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 882 883 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 884 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 885 886 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 887 888 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 889 llvm::StringRef Name = A->getValue(Args); 890 unsigned Method = llvm::StringSwitch<unsigned>(Name) 891 .Case("legacy", CodeGenOptions::Legacy) 892 .Case("non-legacy", CodeGenOptions::NonLegacy) 893 .Case("mixed", CodeGenOptions::Mixed) 894 .Default(~0U); 895 if (Method == ~0U) 896 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 897 else 898 Opts.ObjCDispatchMethod = Method; 899 } 900 } 901 902 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 903 ArgList &Args) { 904 using namespace cc1options; 905 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 906 Opts.Targets = Args.getAllArgValues(OPT_MT); 907 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 908 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 909 } 910 911 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 912 Diagnostic &Diags) { 913 using namespace cc1options; 914 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 915 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 916 Opts.Pedantic = Args.hasArg(OPT_pedantic); 917 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 918 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 919 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 920 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 921 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 922 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 923 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 924 925 llvm::StringRef ShowOverloads = 926 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 927 if (ShowOverloads == "best") 928 Opts.ShowOverloads = Diagnostic::Ovl_Best; 929 else if (ShowOverloads == "all") 930 Opts.ShowOverloads = Diagnostic::Ovl_All; 931 else 932 Diags.Report(diag::err_drv_invalid_value) 933 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 934 << ShowOverloads; 935 936 llvm::StringRef ShowCategory = 937 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 938 if (ShowCategory == "none") 939 Opts.ShowCategories = 0; 940 else if (ShowCategory == "id") 941 Opts.ShowCategories = 1; 942 else if (ShowCategory == "name") 943 Opts.ShowCategories = 2; 944 else 945 Diags.Report(diag::err_drv_invalid_value) 946 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 947 << ShowCategory; 948 949 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 950 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 951 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 952 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 953 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 954 Opts.MacroBacktraceLimit 955 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 956 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 957 Opts.TemplateBacktraceLimit 958 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 959 DiagnosticOptions::DefaultTemplateBacktraceLimit, 960 Diags); 961 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 962 DiagnosticOptions::DefaultTabStop, Diags); 963 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 964 Diags.Report(diag::warn_ignoring_ftabstop_value) 965 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 966 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 967 } 968 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 969 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 970 Opts.Warnings = Args.getAllArgValues(OPT_W); 971 } 972 973 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 974 Diagnostic &Diags) { 975 using namespace cc1options; 976 Opts.ProgramAction = frontend::ParseSyntaxOnly; 977 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 978 switch (A->getOption().getID()) { 979 default: 980 assert(0 && "Invalid option in group!"); 981 case OPT_ast_dump: 982 Opts.ProgramAction = frontend::ASTDump; break; 983 case OPT_ast_print: 984 Opts.ProgramAction = frontend::ASTPrint; break; 985 case OPT_ast_print_xml: 986 Opts.ProgramAction = frontend::ASTPrintXML; break; 987 case OPT_ast_view: 988 Opts.ProgramAction = frontend::ASTView; break; 989 case OPT_boostcon: 990 Opts.ProgramAction = frontend::BoostCon; break; 991 case OPT_dump_raw_tokens: 992 Opts.ProgramAction = frontend::DumpRawTokens; break; 993 case OPT_dump_tokens: 994 Opts.ProgramAction = frontend::DumpTokens; break; 995 case OPT_S: 996 Opts.ProgramAction = frontend::EmitAssembly; break; 997 case OPT_emit_llvm_bc: 998 Opts.ProgramAction = frontend::EmitBC; break; 999 case OPT_emit_html: 1000 Opts.ProgramAction = frontend::EmitHTML; break; 1001 case OPT_emit_llvm: 1002 Opts.ProgramAction = frontend::EmitLLVM; break; 1003 case OPT_emit_llvm_only: 1004 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1005 case OPT_emit_codegen_only: 1006 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1007 case OPT_emit_obj: 1008 Opts.ProgramAction = frontend::EmitObj; break; 1009 case OPT_fixit_EQ: 1010 Opts.FixItSuffix = A->getValue(Args); 1011 // fall-through! 1012 case OPT_fixit: 1013 Opts.ProgramAction = frontend::FixIt; break; 1014 case OPT_emit_pch: 1015 Opts.ProgramAction = frontend::GeneratePCH; break; 1016 case OPT_emit_pth: 1017 Opts.ProgramAction = frontend::GeneratePTH; break; 1018 case OPT_init_only: 1019 Opts.ProgramAction = frontend::InitOnly; break; 1020 case OPT_fsyntax_only: 1021 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1022 case OPT_print_decl_contexts: 1023 Opts.ProgramAction = frontend::PrintDeclContext; break; 1024 case OPT_print_preamble: 1025 Opts.ProgramAction = frontend::PrintPreamble; break; 1026 case OPT_E: 1027 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1028 case OPT_rewrite_macros: 1029 Opts.ProgramAction = frontend::RewriteMacros; break; 1030 case OPT_rewrite_objc: 1031 Opts.ProgramAction = frontend::RewriteObjC; break; 1032 case OPT_rewrite_test: 1033 Opts.ProgramAction = frontend::RewriteTest; break; 1034 case OPT_analyze: 1035 Opts.ProgramAction = frontend::RunAnalysis; break; 1036 case OPT_Eonly: 1037 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1038 case OPT_create_module: 1039 Opts.ProgramAction = frontend::CreateModule; break; 1040 } 1041 } 1042 1043 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1044 Opts.Plugins.push_back(A->getValue(Args,0)); 1045 Opts.ProgramAction = frontend::PluginAction; 1046 Opts.ActionName = A->getValue(Args); 1047 1048 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1049 end = Args.filtered_end(); it != end; ++it) { 1050 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1051 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1052 } 1053 } 1054 1055 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1056 Opts.CodeCompletionAt = 1057 ParsedSourceLocation::FromString(A->getValue(Args)); 1058 if (Opts.CodeCompletionAt.FileName.empty()) 1059 Diags.Report(diag::err_drv_invalid_value) 1060 << A->getAsString(Args) << A->getValue(Args); 1061 } 1062 Opts.DebugCodeCompletionPrinter = 1063 !Args.hasArg(OPT_no_code_completion_debug_printer); 1064 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1065 1066 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1067 Opts.Plugins = Args.getAllArgValues(OPT_load); 1068 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1069 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1070 Opts.ShowHelp = Args.hasArg(OPT_help); 1071 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1072 Opts.ShowCodePatternsInCodeCompletion 1073 = Args.hasArg(OPT_code_completion_patterns); 1074 Opts.ShowGlobalSymbolsInCodeCompletion 1075 = !Args.hasArg(OPT_no_code_completion_globals); 1076 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1077 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1078 Opts.ShowVersion = Args.hasArg(OPT_version); 1079 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1080 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1081 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1082 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1083 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1084 1085 InputKind DashX = IK_None; 1086 if (const Arg *A = Args.getLastArg(OPT_x)) { 1087 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1088 .Case("c", IK_C) 1089 .Case("cl", IK_OpenCL) 1090 .Case("c", IK_C) 1091 .Case("cl", IK_OpenCL) 1092 .Case("c++", IK_CXX) 1093 .Case("objective-c", IK_ObjC) 1094 .Case("objective-c++", IK_ObjCXX) 1095 .Case("cpp-output", IK_PreprocessedC) 1096 .Case("assembler-with-cpp", IK_Asm) 1097 .Case("c++-cpp-output", IK_PreprocessedCXX) 1098 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1099 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1100 .Case("c-header", IK_C) 1101 .Case("objective-c-header", IK_ObjC) 1102 .Case("c++-header", IK_CXX) 1103 .Case("objective-c++-header", IK_ObjCXX) 1104 .Case("ast", IK_AST) 1105 .Case("ir", IK_LLVM_IR) 1106 .Default(IK_None); 1107 if (DashX == IK_None) 1108 Diags.Report(diag::err_drv_invalid_value) 1109 << A->getAsString(Args) << A->getValue(Args); 1110 } 1111 1112 // '-' is the default input if none is given. 1113 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1114 Opts.Inputs.clear(); 1115 if (Inputs.empty()) 1116 Inputs.push_back("-"); 1117 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1118 InputKind IK = DashX; 1119 if (IK == IK_None) { 1120 IK = FrontendOptions::getInputKindForExtension( 1121 llvm::StringRef(Inputs[i]).rsplit('.').second); 1122 // FIXME: Remove this hack. 1123 if (i == 0) 1124 DashX = IK; 1125 } 1126 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1127 } 1128 1129 return DashX; 1130 } 1131 1132 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1133 void *MainAddr) { 1134 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1135 1136 if (!P.isEmpty()) { 1137 P.eraseComponent(); // Remove /clang from foo/bin/clang 1138 P.eraseComponent(); // Remove /bin from foo/bin 1139 1140 // Get foo/lib/clang/<version>/include 1141 P.appendComponent("lib"); 1142 P.appendComponent("clang"); 1143 P.appendComponent(CLANG_VERSION_STRING); 1144 } 1145 1146 return P.str(); 1147 } 1148 1149 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1150 using namespace cc1options; 1151 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1152 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1153 Opts.Verbose = Args.hasArg(OPT_v); 1154 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1155 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1156 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1157 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1158 1159 // Add -I... and -F... options in order. 1160 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1161 ie = Args.filtered_end(); it != ie; ++it) 1162 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1163 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1164 1165 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1166 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1167 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1168 OPT_iwithprefixbefore), 1169 ie = Args.filtered_end(); it != ie; ++it) { 1170 const Arg *A = *it; 1171 if (A->getOption().matches(OPT_iprefix)) 1172 Prefix = A->getValue(Args); 1173 else if (A->getOption().matches(OPT_iwithprefix)) 1174 Opts.AddPath(Prefix.str() + A->getValue(Args), 1175 frontend::System, false, false, true); 1176 else 1177 Opts.AddPath(Prefix.str() + A->getValue(Args), 1178 frontend::Angled, false, false, true); 1179 } 1180 1181 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1182 ie = Args.filtered_end(); it != ie; ++it) 1183 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1184 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1185 ie = Args.filtered_end(); it != ie; ++it) 1186 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1187 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1188 ie = Args.filtered_end(); it != ie; ++it) 1189 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1190 (*it)->getOption().matches(OPT_iwithsysroot)); 1191 1192 // FIXME: Need options for the various environment variables! 1193 } 1194 1195 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1196 Diagnostic &Diags) { 1197 // FIXME: Cleanup per-file based stuff. 1198 1199 // Set some properties which depend soley on the input kind; it would be nice 1200 // to move these to the language standard, and have the driver resolve the 1201 // input kind + language standard. 1202 if (IK == IK_Asm) { 1203 Opts.AsmPreprocessor = 1; 1204 } else if (IK == IK_ObjC || 1205 IK == IK_ObjCXX || 1206 IK == IK_PreprocessedObjC || 1207 IK == IK_PreprocessedObjCXX) { 1208 Opts.ObjC1 = Opts.ObjC2 = 1; 1209 } 1210 1211 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1212 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1213 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1214 #define LANGSTANDARD(id, name, desc, features) \ 1215 .Case(name, LangStandard::lang_##id) 1216 #include "clang/Frontend/LangStandards.def" 1217 .Default(LangStandard::lang_unspecified); 1218 if (LangStd == LangStandard::lang_unspecified) 1219 Diags.Report(diag::err_drv_invalid_value) 1220 << A->getAsString(Args) << A->getValue(Args); 1221 } 1222 1223 if (LangStd == LangStandard::lang_unspecified) { 1224 // Based on the base language, pick one. 1225 switch (IK) { 1226 case IK_None: 1227 case IK_AST: 1228 case IK_LLVM_IR: 1229 assert(0 && "Invalid input kind!"); 1230 case IK_OpenCL: 1231 LangStd = LangStandard::lang_opencl; 1232 break; 1233 case IK_Asm: 1234 case IK_C: 1235 case IK_PreprocessedC: 1236 case IK_ObjC: 1237 case IK_PreprocessedObjC: 1238 LangStd = LangStandard::lang_gnu99; 1239 break; 1240 case IK_CXX: 1241 case IK_PreprocessedCXX: 1242 case IK_ObjCXX: 1243 case IK_PreprocessedObjCXX: 1244 LangStd = LangStandard::lang_gnucxx98; 1245 break; 1246 } 1247 } 1248 1249 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1250 Opts.BCPLComment = Std.hasBCPLComments(); 1251 Opts.C99 = Std.isC99(); 1252 Opts.CPlusPlus = Std.isCPlusPlus(); 1253 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1254 Opts.Digraphs = Std.hasDigraphs(); 1255 Opts.GNUMode = Std.isGNUMode(); 1256 Opts.GNUInline = !Std.isC99(); 1257 Opts.HexFloats = Std.hasHexFloats(); 1258 Opts.ImplicitInt = Std.hasImplicitInt(); 1259 1260 // OpenCL has some additional defaults. 1261 if (LangStd == LangStandard::lang_opencl) { 1262 Opts.OpenCL = 1; 1263 Opts.AltiVec = 1; 1264 Opts.CXXOperatorNames = 1; 1265 Opts.LaxVectorConversions = 1; 1266 } 1267 1268 // OpenCL and C++ both have bool, true, false keywords. 1269 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1270 1271 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1272 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1273 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1274 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1275 // name, as it doesn't seem a useful distinction. 1276 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1277 Opts.GNUMode); 1278 1279 if (Opts.CPlusPlus) 1280 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1281 1282 if (Args.hasArg(OPT_fobjc_gc_only)) 1283 Opts.setGCMode(LangOptions::GCOnly); 1284 else if (Args.hasArg(OPT_fobjc_gc)) 1285 Opts.setGCMode(LangOptions::HybridGC); 1286 1287 if (Args.hasArg(OPT_print_ivar_layout)) 1288 Opts.ObjCGCBitmapPrint = 1; 1289 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1290 Opts.NoConstantCFStrings = 1; 1291 1292 if (Args.hasArg(OPT_faltivec)) 1293 Opts.AltiVec = 1; 1294 1295 if (Args.hasArg(OPT_pthread)) 1296 Opts.POSIXThreads = 1; 1297 1298 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1299 if (Vis == "default") 1300 Opts.setVisibilityMode(LangOptions::Default); 1301 else if (Vis == "hidden") 1302 Opts.setVisibilityMode(LangOptions::Hidden); 1303 else if (Vis == "protected") 1304 Opts.setVisibilityMode(LangOptions::Protected); 1305 else 1306 Diags.Report(diag::err_drv_invalid_value) 1307 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1308 1309 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1310 Opts.InlineVisibilityHidden = 1; 1311 1312 if (Args.hasArg(OPT_ftrapv)) 1313 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1314 else if (Args.hasArg(OPT_fwrapv)) 1315 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1316 1317 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1318 // is specified, or -std is set to a conforming mode. 1319 Opts.Trigraphs = !Opts.GNUMode; 1320 if (Args.hasArg(OPT_trigraphs)) 1321 Opts.Trigraphs = 1; 1322 1323 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1324 OPT_fno_dollars_in_identifiers, 1325 !Opts.AsmPreprocessor); 1326 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1327 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1328 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1329 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1330 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1331 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1332 Opts.LaxVectorConversions = 0; 1333 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1334 Opts.ThreadsafeStatics = 0; 1335 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1336 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1337 Opts.Blocks = Args.hasArg(OPT_fblocks); 1338 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1339 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1340 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1341 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1342 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1343 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1344 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1345 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1346 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1347 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1348 Diags); 1349 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1350 Opts.ObjCConstantStringClass = 1351 Args.getLastArgValue(OPT_fconstant_string_class); 1352 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1353 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1354 if (Opts.ObjCNonFragileABI2) 1355 Opts.ObjCNonFragileABI = true; 1356 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1357 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1358 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1359 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1360 Opts.Static = Args.hasArg(OPT_static_define); 1361 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1362 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1363 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1364 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1365 Opts.OptimizeSize = 0; 1366 1367 // FIXME: Eliminate this dependency. 1368 unsigned Opt = 1369 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1370 Opts.Optimize = Opt != 0; 1371 1372 // This is the __NO_INLINE__ define, which just depends on things like the 1373 // optimization level and -fno-inline, not actually whether the backend has 1374 // inlining enabled. 1375 // 1376 // FIXME: This is affected by other options (-fno-inline). 1377 Opts.NoInline = !Opt; 1378 1379 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1380 switch (SSP) { 1381 default: 1382 Diags.Report(diag::err_drv_invalid_value) 1383 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1384 break; 1385 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1386 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1387 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1388 } 1389 } 1390 1391 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1392 Diagnostic &Diags) { 1393 using namespace cc1options; 1394 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1395 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1396 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1397 Opts.TokenCache = A->getValue(Args); 1398 else 1399 Opts.TokenCache = Opts.ImplicitPTHInclude; 1400 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1401 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1402 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1403 1404 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1405 llvm::StringRef Value(A->getValue(Args)); 1406 size_t Comma = Value.find(','); 1407 unsigned Bytes = 0; 1408 unsigned EndOfLine = 0; 1409 1410 if (Comma == llvm::StringRef::npos || 1411 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1412 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1413 Diags.Report(diag::err_drv_preamble_format); 1414 else { 1415 Opts.PrecompiledPreambleBytes.first = Bytes; 1416 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1417 } 1418 } 1419 1420 // Add macros from the command line. 1421 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1422 ie = Args.filtered_end(); it != ie; ++it) { 1423 if ((*it)->getOption().matches(OPT_D)) 1424 Opts.addMacroDef((*it)->getValue(Args)); 1425 else 1426 Opts.addMacroUndef((*it)->getValue(Args)); 1427 } 1428 1429 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1430 1431 // Add the ordered list of -includes. 1432 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1433 OPT_include_pth), 1434 ie = Args.filtered_end(); it != ie; ++it) { 1435 const Arg *A = *it; 1436 // PCH is handled specially, we need to extra the original include path. 1437 if (A->getOption().matches(OPT_include_pch)) { 1438 std::string OriginalFile = 1439 ASTReader::getOriginalSourceFile(A->getValue(Args), Diags); 1440 if (OriginalFile.empty()) 1441 continue; 1442 1443 Opts.Includes.push_back(OriginalFile); 1444 } else 1445 Opts.Includes.push_back(A->getValue(Args)); 1446 } 1447 1448 // Include 'altivec.h' if -faltivec option present 1449 if (Args.hasArg(OPT_faltivec)) 1450 Opts.Includes.push_back("altivec.h"); 1451 1452 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1453 ie = Args.filtered_end(); it != ie; ++it) { 1454 const Arg *A = *it; 1455 std::pair<llvm::StringRef,llvm::StringRef> Split = 1456 llvm::StringRef(A->getValue(Args)).split(';'); 1457 1458 if (Split.second.empty()) { 1459 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1460 continue; 1461 } 1462 1463 Opts.addRemappedFile(Split.first, Split.second); 1464 } 1465 } 1466 1467 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1468 ArgList &Args) { 1469 using namespace cc1options; 1470 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1471 Opts.ShowComments = Args.hasArg(OPT_C); 1472 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1473 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1474 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1475 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1476 } 1477 1478 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1479 using namespace cc1options; 1480 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1481 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1482 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1483 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1484 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1485 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1486 1487 // Use the host triple if unspecified. 1488 if (Opts.Triple.empty()) 1489 Opts.Triple = llvm::sys::getHostTriple(); 1490 } 1491 1492 // 1493 1494 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1495 const char **ArgBegin, 1496 const char **ArgEnd, 1497 Diagnostic &Diags) { 1498 // Parse the arguments. 1499 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1500 unsigned MissingArgIndex, MissingArgCount; 1501 llvm::OwningPtr<InputArgList> Args( 1502 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1503 1504 // Check for missing argument error. 1505 if (MissingArgCount) 1506 Diags.Report(diag::err_drv_missing_argument) 1507 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1508 1509 // Issue errors on unknown arguments. 1510 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1511 ie = Args->filtered_end(); it != ie; ++it) 1512 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1513 1514 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1515 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1516 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1517 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1518 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1519 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1520 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1521 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1522 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1523 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1524 ParseTargetArgs(Res.getTargetOpts(), *Args); 1525 } 1526