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/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 //===----------------------------------------------------------------------===// 64 // Serialization (to args) 65 //===----------------------------------------------------------------------===// 66 67 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112 } 113 114 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.EmitGcovArcs) 127 Res.push_back("-femit-coverage-data"); 128 if (Opts.EmitGcovNotes) 129 Res.push_back("-femit-coverage-notes"); 130 if (!Opts.MergeAllConstants) 131 Res.push_back("-fno-merge-all-constants"); 132 if (Opts.NoCommon) 133 Res.push_back("-fno-common"); 134 if (Opts.ForbidGuardVariables) 135 Res.push_back("-fforbid-guard-variables"); 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 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 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.ObjCAutoRefCountExceptions) 173 Res.push_back("-fobjc-arc-eh"); 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.NumRegisterParameters) { 201 Res.push_back("-mregparm"); 202 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 203 } 204 if (Opts.RelaxAll) 205 Res.push_back("-mrelax-all"); 206 if (Opts.SaveTempLabels) 207 Res.push_back("-msave-temp-labels"); 208 if (Opts.NoDwarf2CFIAsm) 209 Res.push_back("-fno-dwarf2-cfi-asm"); 210 if (Opts.SoftFloat) 211 Res.push_back("-msoft-float"); 212 if (Opts.UnwindTables) 213 Res.push_back("-munwind-tables"); 214 if (Opts.RelocationModel != "pic") { 215 Res.push_back("-mrelocation-model"); 216 Res.push_back(Opts.RelocationModel); 217 } 218 if (!Opts.VerifyModule) 219 Res.push_back("-disable-llvm-verifier"); 220 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 221 Res.push_back("-backend-option"); 222 Res.push_back(Opts.BackendOptions[i]); 223 } 224 } 225 226 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 227 std::vector<std::string> &Res) { 228 if (Opts.IncludeSystemHeaders) 229 Res.push_back("-sys-header-deps"); 230 if (Opts.ShowHeaderIncludes) 231 Res.push_back("-H"); 232 if (!Opts.HeaderIncludeOutputFile.empty()) { 233 Res.push_back("-header-include-file"); 234 Res.push_back(Opts.HeaderIncludeOutputFile); 235 } 236 if (Opts.UsePhonyTargets) 237 Res.push_back("-MP"); 238 if (!Opts.OutputFile.empty()) { 239 Res.push_back("-dependency-file"); 240 Res.push_back(Opts.OutputFile); 241 } 242 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 243 Res.push_back("-MT"); 244 Res.push_back(Opts.Targets[i]); 245 } 246 } 247 248 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 249 std::vector<std::string> &Res) { 250 if (Opts.IgnoreWarnings) 251 Res.push_back("-w"); 252 if (Opts.NoRewriteMacros) 253 Res.push_back("-Wno-rewrite-macros"); 254 if (Opts.Pedantic) 255 Res.push_back("-pedantic"); 256 if (Opts.PedanticErrors) 257 Res.push_back("-pedantic-errors"); 258 if (!Opts.ShowColumn) 259 Res.push_back("-fno-show-column"); 260 if (!Opts.ShowLocation) 261 Res.push_back("-fno-show-source-location"); 262 if (!Opts.ShowCarets) 263 Res.push_back("-fno-caret-diagnostics"); 264 if (!Opts.ShowFixits) 265 Res.push_back("-fno-diagnostics-fixit-info"); 266 if (Opts.ShowSourceRanges) 267 Res.push_back("-fdiagnostics-print-source-range-info"); 268 if (Opts.ShowParseableFixits) 269 Res.push_back("-fdiagnostics-parseable-fixits"); 270 if (Opts.ShowColors) 271 Res.push_back("-fcolor-diagnostics"); 272 if (Opts.VerifyDiagnostics) 273 Res.push_back("-verify"); 274 if (Opts.ShowNames) 275 Res.push_back("-fdiagnostics-show-name"); 276 if (Opts.ShowOptionNames) 277 Res.push_back("-fdiagnostics-show-option"); 278 if (Opts.ShowCategories == 1) 279 Res.push_back("-fdiagnostics-show-category=id"); 280 else if (Opts.ShowCategories == 2) 281 Res.push_back("-fdiagnostics-show-category=name"); 282 switch (Opts.Format) { 283 case DiagnosticOptions::Clang: 284 Res.push_back("-fdiagnostics-format=clang"); break; 285 case DiagnosticOptions::Msvc: 286 Res.push_back("-fdiagnostics-format=msvc"); break; 287 case DiagnosticOptions::Vi: 288 Res.push_back("-fdiagnostics-format=vi"); break; 289 } 290 if (Opts.ErrorLimit) { 291 Res.push_back("-ferror-limit"); 292 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 293 } 294 if (!Opts.DiagnosticLogFile.empty()) { 295 Res.push_back("-diagnostic-log-file"); 296 Res.push_back(Opts.DiagnosticLogFile); 297 } 298 if (Opts.MacroBacktraceLimit 299 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 300 Res.push_back("-fmacro-backtrace-limit"); 301 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 302 } 303 if (Opts.TemplateBacktraceLimit 304 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 305 Res.push_back("-ftemplate-backtrace-limit"); 306 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 307 } 308 309 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 310 Res.push_back("-ftabstop"); 311 Res.push_back(llvm::utostr(Opts.TabStop)); 312 } 313 if (Opts.MessageLength) { 314 Res.push_back("-fmessage-length"); 315 Res.push_back(llvm::utostr(Opts.MessageLength)); 316 } 317 if (!Opts.DumpBuildInformation.empty()) { 318 Res.push_back("-dump-build-information"); 319 Res.push_back(Opts.DumpBuildInformation); 320 } 321 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 322 Res.push_back("-W" + Opts.Warnings[i]); 323 } 324 325 static const char *getInputKindName(InputKind Kind) { 326 switch (Kind) { 327 case IK_None: break; 328 case IK_AST: return "ast"; 329 case IK_Asm: return "assembler-with-cpp"; 330 case IK_C: return "c"; 331 case IK_CXX: return "c++"; 332 case IK_LLVM_IR: return "ir"; 333 case IK_ObjC: return "objective-c"; 334 case IK_ObjCXX: return "objective-c++"; 335 case IK_OpenCL: return "cl"; 336 case IK_CUDA: return "cuda"; 337 case IK_PreprocessedC: return "cpp-output"; 338 case IK_PreprocessedCXX: return "c++-cpp-output"; 339 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 340 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 341 } 342 343 llvm_unreachable("Unexpected language kind!"); 344 return 0; 345 } 346 347 static const char *getActionName(frontend::ActionKind Kind) { 348 switch (Kind) { 349 case frontend::PluginAction: 350 llvm_unreachable("Invalid kind!"); 351 352 case frontend::ASTDump: return "-ast-dump"; 353 case frontend::ASTDumpXML: return "-ast-dump-xml"; 354 case frontend::ASTPrint: return "-ast-print"; 355 case frontend::ASTView: return "-ast-view"; 356 case frontend::BoostCon: return "-boostcon"; 357 case frontend::CreateModule: return "-create-module"; 358 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 359 case frontend::DumpTokens: return "-dump-tokens"; 360 case frontend::EmitAssembly: return "-S"; 361 case frontend::EmitBC: return "-emit-llvm-bc"; 362 case frontend::EmitHTML: return "-emit-html"; 363 case frontend::EmitLLVM: return "-emit-llvm"; 364 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 365 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 366 case frontend::EmitObj: return "-emit-obj"; 367 case frontend::FixIt: return "-fixit"; 368 case frontend::GeneratePCH: return "-emit-pch"; 369 case frontend::GeneratePTH: return "-emit-pth"; 370 case frontend::InitOnly: return "-init-only"; 371 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 372 case frontend::PrintDeclContext: return "-print-decl-contexts"; 373 case frontend::PrintPreamble: return "-print-preamble"; 374 case frontend::PrintPreprocessedInput: return "-E"; 375 case frontend::RewriteMacros: return "-rewrite-macros"; 376 case frontend::RewriteObjC: return "-rewrite-objc"; 377 case frontend::RewriteTest: return "-rewrite-test"; 378 case frontend::RunAnalysis: return "-analyze"; 379 case frontend::RunPreprocessorOnly: return "-Eonly"; 380 } 381 382 llvm_unreachable("Unexpected language kind!"); 383 return 0; 384 } 385 386 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 387 std::vector<std::string> &Res) { 388 if (!Opts.WorkingDir.empty()) { 389 Res.push_back("-working-directory"); 390 Res.push_back(Opts.WorkingDir); 391 } 392 } 393 394 static void FrontendOptsToArgs(const FrontendOptions &Opts, 395 std::vector<std::string> &Res) { 396 if (Opts.DisableFree) 397 Res.push_back("-disable-free"); 398 if (Opts.RelocatablePCH) 399 Res.push_back("-relocatable-pch"); 400 if (Opts.ChainedPCH) 401 Res.push_back("-chained-pch"); 402 if (Opts.ShowHelp) 403 Res.push_back("-help"); 404 if (Opts.ShowMacrosInCodeCompletion) 405 Res.push_back("-code-completion-macros"); 406 if (Opts.ShowCodePatternsInCodeCompletion) 407 Res.push_back("-code-completion-patterns"); 408 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 409 Res.push_back("-no-code-completion-globals"); 410 if (Opts.ShowStats) 411 Res.push_back("-print-stats"); 412 if (Opts.ShowTimers) 413 Res.push_back("-ftime-report"); 414 if (Opts.ShowVersion) 415 Res.push_back("-version"); 416 if (Opts.FixWhatYouCan) 417 Res.push_back("-fix-what-you-can"); 418 switch (Opts.ARCMTAction) { 419 case FrontendOptions::ARCMT_None: 420 break; 421 case FrontendOptions::ARCMT_Check: 422 Res.push_back("-arcmt-check"); 423 break; 424 case FrontendOptions::ARCMT_Modify: 425 Res.push_back("-arcmt-modify"); 426 break; 427 } 428 429 bool NeedLang = false; 430 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 431 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 432 Opts.Inputs[i].first) 433 NeedLang = true; 434 if (NeedLang) { 435 Res.push_back("-x"); 436 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 437 } 438 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 439 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 440 "Unable to represent this input vector!"); 441 Res.push_back(Opts.Inputs[i].second); 442 } 443 444 if (!Opts.OutputFile.empty()) { 445 Res.push_back("-o"); 446 Res.push_back(Opts.OutputFile); 447 } 448 if (!Opts.CodeCompletionAt.FileName.empty()) { 449 Res.push_back("-code-completion-at"); 450 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 451 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 452 llvm::utostr(Opts.CodeCompletionAt.Column)); 453 } 454 if (Opts.ProgramAction != frontend::PluginAction) 455 Res.push_back(getActionName(Opts.ProgramAction)); 456 if (!Opts.ActionName.empty()) { 457 Res.push_back("-plugin"); 458 Res.push_back(Opts.ActionName); 459 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 460 Res.push_back("-plugin-arg-" + Opts.ActionName); 461 Res.push_back(Opts.PluginArgs[i]); 462 } 463 } 464 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 465 Res.push_back("-load"); 466 Res.push_back(Opts.Plugins[i]); 467 } 468 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 469 Res.push_back("-add-plugin"); 470 Res.push_back(Opts.AddPluginActions[i]); 471 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 472 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 473 Res.push_back(Opts.AddPluginArgs[i][ai]); 474 } 475 } 476 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 477 Res.push_back("-ast-merge"); 478 Res.push_back(Opts.ASTMergeFiles[i]); 479 } 480 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 481 Res.push_back("-import-module"); 482 Res.push_back(Opts.Modules[i]); 483 } 484 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 485 Res.push_back("-mllvm"); 486 Res.push_back(Opts.LLVMArgs[i]); 487 } 488 } 489 490 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 491 std::vector<std::string> &Res) { 492 if (Opts.Sysroot != "/") { 493 Res.push_back("-isysroot"); 494 Res.push_back(Opts.Sysroot); 495 } 496 497 /// User specified include entries. 498 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 499 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 500 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 501 llvm::report_fatal_error("Invalid option set!"); 502 if (E.IsUserSupplied) { 503 if (E.Group == frontend::After) { 504 Res.push_back("-idirafter"); 505 } else if (E.Group == frontend::Quoted) { 506 Res.push_back("-iquote"); 507 } else if (E.Group == frontend::System) { 508 Res.push_back("-isystem"); 509 } else if (E.Group == frontend::CXXSystem) { 510 Res.push_back("-cxx-isystem"); 511 } else { 512 assert(E.Group == frontend::Angled && "Invalid group!"); 513 Res.push_back(E.IsFramework ? "-F" : "-I"); 514 } 515 } else { 516 if (E.Group != frontend::Angled && E.Group != frontend::System) 517 llvm::report_fatal_error("Invalid option set!"); 518 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 519 "-iwithprefix"); 520 } 521 Res.push_back(E.Path); 522 } 523 524 if (!Opts.EnvIncPath.empty()) { 525 // FIXME: Provide an option for this, and move env detection to driver. 526 llvm::report_fatal_error("Not yet implemented!"); 527 } 528 if (!Opts.CEnvIncPath.empty()) { 529 // FIXME: Provide an option for this, and move env detection to driver. 530 llvm::report_fatal_error("Not yet implemented!"); 531 } 532 if (!Opts.ObjCEnvIncPath.empty()) { 533 // FIXME: Provide an option for this, and move env detection to driver. 534 llvm::report_fatal_error("Not yet implemented!"); 535 } 536 if (!Opts.CXXEnvIncPath.empty()) { 537 // FIXME: Provide an option for this, and move env detection to driver. 538 llvm::report_fatal_error("Not yet implemented!"); 539 } 540 if (!Opts.ObjCXXEnvIncPath.empty()) { 541 // FIXME: Provide an option for this, and move env detection to driver. 542 llvm::report_fatal_error("Not yet implemented!"); 543 } 544 if (!Opts.ResourceDir.empty()) { 545 Res.push_back("-resource-dir"); 546 Res.push_back(Opts.ResourceDir); 547 } 548 if (!Opts.UseStandardIncludes) 549 Res.push_back("-nostdinc"); 550 if (!Opts.UseStandardCXXIncludes) 551 Res.push_back("-nostdinc++"); 552 if (Opts.Verbose) 553 Res.push_back("-v"); 554 } 555 556 static void LangOptsToArgs(const LangOptions &Opts, 557 std::vector<std::string> &Res) { 558 LangOptions DefaultLangOpts; 559 560 // FIXME: Need to set -std to get all the implicit options. 561 562 // FIXME: We want to only pass options relative to the defaults, which 563 // requires constructing a target. :( 564 // 565 // It would be better to push the all target specific choices into the driver, 566 // so that everything below that was more uniform. 567 568 if (Opts.Trigraphs) 569 Res.push_back("-trigraphs"); 570 // Implicit based on the input kind: 571 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 572 // Implicit based on the input language standard: 573 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 574 if (Opts.DollarIdents) 575 Res.push_back("-fdollars-in-identifiers"); 576 if (Opts.GNUMode && !Opts.GNUKeywords) 577 Res.push_back("-fno-gnu-keywords"); 578 if (!Opts.GNUMode && Opts.GNUKeywords) 579 Res.push_back("-fgnu-keywords"); 580 if (Opts.Microsoft) 581 Res.push_back("-fms-extensions"); 582 if (Opts.MSCVersion != 0) 583 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 584 if (Opts.Borland) 585 Res.push_back("-fborland-extensions"); 586 if (Opts.ObjCNonFragileABI) 587 Res.push_back("-fobjc-nonfragile-abi"); 588 if (Opts.ObjCNonFragileABI2) 589 Res.push_back("-fobjc-nonfragile-abi"); 590 if (Opts.ObjCDefaultSynthProperties) 591 Res.push_back("-fobjc-default-synthesize-properties"); 592 // NoInline is implicit. 593 if (!Opts.CXXOperatorNames) 594 Res.push_back("-fno-operator-names"); 595 if (Opts.PascalStrings) 596 Res.push_back("-fpascal-strings"); 597 if (Opts.CatchUndefined) 598 Res.push_back("-fcatch-undefined-behavior"); 599 if (Opts.WritableStrings) 600 Res.push_back("-fwritable-strings"); 601 if (Opts.ConstStrings) 602 Res.push_back("-fconst-strings"); 603 if (!Opts.LaxVectorConversions) 604 Res.push_back("-fno-lax-vector-conversions"); 605 if (Opts.AltiVec) 606 Res.push_back("-faltivec"); 607 if (Opts.Exceptions) 608 Res.push_back("-fexceptions"); 609 if (Opts.ObjCExceptions) 610 Res.push_back("-fobjc-exceptions"); 611 if (Opts.CXXExceptions) 612 Res.push_back("-fcxx-exceptions"); 613 if (Opts.SjLjExceptions) 614 Res.push_back("-fsjlj-exceptions"); 615 if (Opts.TraditionalCPP) 616 Res.push_back("-traditional-cpp"); 617 if (!Opts.RTTI) 618 Res.push_back("-fno-rtti"); 619 if (Opts.MSBitfields) 620 Res.push_back("-mms-bitfields"); 621 if (!Opts.NeXTRuntime) 622 Res.push_back("-fgnu-runtime"); 623 if (Opts.Freestanding) 624 Res.push_back("-ffreestanding"); 625 if (Opts.NoBuiltin) 626 Res.push_back("-fno-builtin"); 627 if (!Opts.AssumeSaneOperatorNew) 628 Res.push_back("-fno-assume-sane-operator-new"); 629 if (!Opts.ThreadsafeStatics) 630 Res.push_back("-fno-threadsafe-statics"); 631 if (Opts.POSIXThreads) 632 Res.push_back("-pthread"); 633 if (Opts.Blocks) 634 Res.push_back("-fblocks"); 635 if (Opts.EmitAllDecls) 636 Res.push_back("-femit-all-decls"); 637 if (Opts.MathErrno) 638 Res.push_back("-fmath-errno"); 639 switch (Opts.getSignedOverflowBehavior()) { 640 case LangOptions::SOB_Undefined: break; 641 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 642 case LangOptions::SOB_Trapping: 643 Res.push_back("-ftrapv"); break; 644 if (!Opts.OverflowHandler.empty()) { 645 Res.push_back("-ftrapv-handler"); 646 Res.push_back(Opts.OverflowHandler); 647 } 648 } 649 if (Opts.HeinousExtensions) 650 Res.push_back("-fheinous-gnu-extensions"); 651 // Optimize is implicit. 652 // OptimizeSize is implicit. 653 if (Opts.Static) 654 Res.push_back("-static-define"); 655 if (Opts.DumpRecordLayouts) 656 Res.push_back("-fdump-record-layouts"); 657 if (Opts.DumpVTableLayouts) 658 Res.push_back("-fdump-vtable-layouts"); 659 if (Opts.NoBitFieldTypeAlign) 660 Res.push_back("-fno-bitfield-type-alignment"); 661 if (Opts.PICLevel) { 662 Res.push_back("-pic-level"); 663 Res.push_back(llvm::utostr(Opts.PICLevel)); 664 } 665 if (Opts.ObjCGCBitmapPrint) 666 Res.push_back("-print-ivar-layout"); 667 if (Opts.NoConstantCFStrings) 668 Res.push_back("-fno-constant-cfstrings"); 669 if (!Opts.AccessControl) 670 Res.push_back("-fno-access-control"); 671 if (!Opts.CharIsSigned) 672 Res.push_back("-fno-signed-char"); 673 if (Opts.ShortWChar) 674 Res.push_back("-fshort-wchar"); 675 if (!Opts.ElideConstructors) 676 Res.push_back("-fno-elide-constructors"); 677 if (Opts.getGCMode() != LangOptions::NonGC) { 678 if (Opts.getGCMode() == LangOptions::HybridGC) { 679 Res.push_back("-fobjc-gc"); 680 } else { 681 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 682 Res.push_back("-fobjc-gc-only"); 683 } 684 } 685 if (Opts.ObjCAutoRefCount) 686 Res.push_back("-fobjc-arc"); 687 if (Opts.ObjCNoAutoRefCountRuntime) 688 Res.push_back("-fobjc-no-arc-runtime"); 689 if (!Opts.ObjCInferRelatedResultType) 690 Res.push_back("-fno-objc-infer-related-result-type"); 691 692 if (Opts.AppleKext) 693 Res.push_back("-fapple-kext"); 694 695 if (Opts.getVisibilityMode() != DefaultVisibility) { 696 Res.push_back("-fvisibility"); 697 if (Opts.getVisibilityMode() == HiddenVisibility) { 698 Res.push_back("hidden"); 699 } else { 700 assert(Opts.getVisibilityMode() == ProtectedVisibility && 701 "Invalid visibility!"); 702 Res.push_back("protected"); 703 } 704 } 705 if (Opts.InlineVisibilityHidden) 706 Res.push_back("-fvisibility-inlines-hidden"); 707 708 if (Opts.getStackProtectorMode() != 0) { 709 Res.push_back("-stack-protector"); 710 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 711 } 712 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 713 Res.push_back("-ftemplate-depth"); 714 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 715 } 716 if (!Opts.ObjCConstantStringClass.empty()) { 717 Res.push_back("-fconstant-string-class"); 718 Res.push_back(Opts.ObjCConstantStringClass); 719 } 720 if (Opts.FakeAddressSpaceMap) 721 Res.push_back("-ffake-address-space-map"); 722 if (Opts.ParseUnknownAnytype) 723 Res.push_back("-funknown-anytype"); 724 if (Opts.DelayedTemplateParsing) 725 Res.push_back("-fdelayed-template-parsing"); 726 if (Opts.Deprecated) 727 Res.push_back("-fdeprecated-macro"); 728 } 729 730 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 731 std::vector<std::string> &Res) { 732 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 733 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 734 Opts.Macros[i].first); 735 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 736 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 737 Res.push_back("-include"); 738 Res.push_back(Opts.Includes[i]); 739 } 740 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 741 Res.push_back("-imacros"); 742 Res.push_back(Opts.MacroIncludes[i]); 743 } 744 if (!Opts.UsePredefines) 745 Res.push_back("-undef"); 746 if (Opts.DetailedRecord) 747 Res.push_back("-detailed-preprocessing-record"); 748 if (!Opts.ImplicitPCHInclude.empty()) { 749 Res.push_back("-include-pch"); 750 Res.push_back(Opts.ImplicitPCHInclude); 751 } 752 if (!Opts.ImplicitPTHInclude.empty()) { 753 Res.push_back("-include-pth"); 754 Res.push_back(Opts.ImplicitPTHInclude); 755 } 756 if (!Opts.TokenCache.empty()) { 757 if (Opts.ImplicitPTHInclude.empty()) { 758 Res.push_back("-token-cache"); 759 Res.push_back(Opts.TokenCache); 760 } else 761 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 762 "Unsupported option combination!"); 763 } 764 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 765 Res.push_back("-chain-include"); 766 Res.push_back(Opts.ChainedIncludes[i]); 767 } 768 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 769 Res.push_back("-remap-file"); 770 Res.push_back(Opts.RemappedFiles[i].first + ";" + 771 Opts.RemappedFiles[i].second); 772 } 773 } 774 775 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 776 std::vector<std::string> &Res) { 777 if (!Opts.ShowCPP && !Opts.ShowMacros) 778 llvm::report_fatal_error("Invalid option combination!"); 779 780 if (Opts.ShowCPP && Opts.ShowMacros) 781 Res.push_back("-dD"); 782 else if (!Opts.ShowCPP && Opts.ShowMacros) 783 Res.push_back("-dM"); 784 785 if (!Opts.ShowLineMarkers) 786 Res.push_back("-P"); 787 if (Opts.ShowComments) 788 Res.push_back("-C"); 789 if (Opts.ShowMacroComments) 790 Res.push_back("-CC"); 791 } 792 793 static void TargetOptsToArgs(const TargetOptions &Opts, 794 std::vector<std::string> &Res) { 795 Res.push_back("-triple"); 796 Res.push_back(Opts.Triple); 797 if (!Opts.CPU.empty()) { 798 Res.push_back("-target-cpu"); 799 Res.push_back(Opts.CPU); 800 } 801 if (!Opts.ABI.empty()) { 802 Res.push_back("-target-abi"); 803 Res.push_back(Opts.ABI); 804 } 805 if (!Opts.LinkerVersion.empty()) { 806 Res.push_back("-target-linker-version"); 807 Res.push_back(Opts.LinkerVersion); 808 } 809 if (!Opts.CXXABI.empty()) { 810 Res.push_back("-cxx-abi"); 811 Res.push_back(Opts.CXXABI); 812 } 813 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 814 Res.push_back("-target-feature"); 815 Res.push_back(Opts.Features[i]); 816 } 817 } 818 819 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 820 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 821 CodeGenOptsToArgs(getCodeGenOpts(), Res); 822 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 823 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 824 FileSystemOptsToArgs(getFileSystemOpts(), Res); 825 FrontendOptsToArgs(getFrontendOpts(), Res); 826 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 827 LangOptsToArgs(getLangOpts(), Res); 828 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 829 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 830 TargetOptsToArgs(getTargetOpts(), Res); 831 } 832 833 //===----------------------------------------------------------------------===// 834 // Deserialization (to args) 835 //===----------------------------------------------------------------------===// 836 837 using namespace clang::driver; 838 using namespace clang::driver::cc1options; 839 840 // 841 842 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 843 Diagnostic &Diags) { 844 unsigned DefaultOpt = 0; 845 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 846 DefaultOpt = 2; 847 // -Os/-Oz implies -O2 848 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 849 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 850 } 851 852 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 853 Diagnostic &Diags) { 854 using namespace cc1options; 855 856 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 857 llvm::StringRef Name = A->getValue(Args); 858 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 859 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 860 .Case(CMDFLAG, NAME##Model) 861 #include "clang/Frontend/Analyses.def" 862 .Default(NumStores); 863 // FIXME: Error handling. 864 if (Value == NumStores) 865 Diags.Report(diag::err_drv_invalid_value) 866 << A->getAsString(Args) << Name; 867 else 868 Opts.AnalysisStoreOpt = Value; 869 } 870 871 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 872 llvm::StringRef Name = A->getValue(Args); 873 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 874 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 875 .Case(CMDFLAG, NAME##Model) 876 #include "clang/Frontend/Analyses.def" 877 .Default(NumConstraints); 878 // FIXME: Error handling. 879 if (Value == NumConstraints) 880 Diags.Report(diag::err_drv_invalid_value) 881 << A->getAsString(Args) << Name; 882 else 883 Opts.AnalysisConstraintsOpt = Value; 884 } 885 886 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 887 llvm::StringRef Name = A->getValue(Args); 888 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 889 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 890 .Case(CMDFLAG, PD_##NAME) 891 #include "clang/Frontend/Analyses.def" 892 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 893 // FIXME: Error handling. 894 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 895 Diags.Report(diag::err_drv_invalid_value) 896 << A->getAsString(Args) << Name; 897 else 898 Opts.AnalysisDiagOpt = Value; 899 } 900 901 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 902 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 903 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 904 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 905 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 906 Opts.AnalyzeNestedBlocks = 907 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 908 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 909 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 910 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 911 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 912 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 913 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 914 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 915 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 916 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 917 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 918 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 919 920 Opts.CheckersControlList.clear(); 921 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 922 OPT_analyzer_disable_checker), 923 ie = Args.filtered_end(); it != ie; ++it) { 924 const Arg *A = *it; 925 A->claim(); 926 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 927 // We can have a list of comma separated checker names, e.g: 928 // '-analyzer-checker=cocoa,unix' 929 llvm::StringRef checkerList = A->getValue(Args); 930 llvm::SmallVector<llvm::StringRef, 4> checkers; 931 checkerList.split(checkers, ","); 932 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 933 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 934 } 935 } 936 937 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 938 Diagnostic &Diags) { 939 using namespace cc1options; 940 941 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 942 if (Opts.OptimizationLevel > 3) { 943 Diags.Report(diag::err_drv_invalid_value) 944 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 945 Opts.OptimizationLevel = 3; 946 } 947 948 // We must always run at least the always inlining pass. 949 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 950 : CodeGenOptions::OnlyAlwaysInlining; 951 952 Opts.DebugInfo = Args.hasArg(OPT_g); 953 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 954 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 955 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 956 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 957 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 958 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 959 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 960 Opts.NoCommon = Args.hasArg(OPT_fno_common); 961 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 962 Opts.OptimizeSize = Args.hasArg(OPT_Os); 963 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 964 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 965 Args.hasArg(OPT_ffreestanding)); 966 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 967 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 968 969 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 970 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 971 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 972 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 973 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 974 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 975 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 976 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 977 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 978 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 979 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 980 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 981 Args.hasArg(OPT_cl_fast_relaxed_math); 982 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 983 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 984 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 985 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 986 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 987 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 988 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 989 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 990 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 991 Args.hasArg(OPT_cl_fast_relaxed_math); 992 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 993 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 994 995 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 996 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 997 998 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 999 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1000 1001 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1002 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1003 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1004 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1005 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1006 1007 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1008 llvm::StringRef Name = A->getValue(Args); 1009 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1010 .Case("legacy", CodeGenOptions::Legacy) 1011 .Case("non-legacy", CodeGenOptions::NonLegacy) 1012 .Case("mixed", CodeGenOptions::Mixed) 1013 .Default(~0U); 1014 if (Method == ~0U) 1015 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1016 else 1017 Opts.ObjCDispatchMethod = Method; 1018 } 1019 } 1020 1021 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1022 ArgList &Args) { 1023 using namespace cc1options; 1024 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1025 Opts.Targets = Args.getAllArgValues(OPT_MT); 1026 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1027 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1028 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1029 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1030 } 1031 1032 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1033 Diagnostic &Diags) { 1034 using namespace cc1options; 1035 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1036 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1037 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1038 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1039 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1040 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1041 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1042 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1043 OPT_fno_show_column, 1044 /*Default=*/true); 1045 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1046 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1047 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1048 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1049 1050 // Default behavior is to not to show note include stacks. 1051 Opts.ShowNoteIncludeStack = false; 1052 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1053 OPT_fno_diagnostics_show_note_include_stack)) 1054 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1055 Opts.ShowNoteIncludeStack = true; 1056 1057 llvm::StringRef ShowOverloads = 1058 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1059 if (ShowOverloads == "best") 1060 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1061 else if (ShowOverloads == "all") 1062 Opts.ShowOverloads = Diagnostic::Ovl_All; 1063 else 1064 Diags.Report(diag::err_drv_invalid_value) 1065 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1066 << ShowOverloads; 1067 1068 llvm::StringRef ShowCategory = 1069 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1070 if (ShowCategory == "none") 1071 Opts.ShowCategories = 0; 1072 else if (ShowCategory == "id") 1073 Opts.ShowCategories = 1; 1074 else if (ShowCategory == "name") 1075 Opts.ShowCategories = 2; 1076 else 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1079 << ShowCategory; 1080 1081 llvm::StringRef Format = 1082 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1083 if (Format == "clang") 1084 Opts.Format = DiagnosticOptions::Clang; 1085 else if (Format == "msvc") 1086 Opts.Format = DiagnosticOptions::Msvc; 1087 else if (Format == "vi") 1088 Opts.Format = DiagnosticOptions::Vi; 1089 else 1090 Diags.Report(diag::err_drv_invalid_value) 1091 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1092 << Format; 1093 1094 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1095 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1096 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1097 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1098 Opts.MacroBacktraceLimit 1099 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1100 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1101 Opts.TemplateBacktraceLimit 1102 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1103 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1104 Diags); 1105 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1106 DiagnosticOptions::DefaultTabStop, Diags); 1107 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1108 Diags.Report(diag::warn_ignoring_ftabstop_value) 1109 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1110 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1111 } 1112 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1113 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1114 Opts.Warnings = Args.getAllArgValues(OPT_W); 1115 } 1116 1117 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1118 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1119 } 1120 1121 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1122 Diagnostic &Diags) { 1123 using namespace cc1options; 1124 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1125 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1126 switch (A->getOption().getID()) { 1127 default: 1128 assert(0 && "Invalid option in group!"); 1129 case OPT_ast_dump: 1130 Opts.ProgramAction = frontend::ASTDump; break; 1131 case OPT_ast_dump_xml: 1132 Opts.ProgramAction = frontend::ASTDumpXML; break; 1133 case OPT_ast_print: 1134 Opts.ProgramAction = frontend::ASTPrint; break; 1135 case OPT_ast_view: 1136 Opts.ProgramAction = frontend::ASTView; break; 1137 case OPT_boostcon: 1138 Opts.ProgramAction = frontend::BoostCon; break; 1139 case OPT_dump_raw_tokens: 1140 Opts.ProgramAction = frontend::DumpRawTokens; break; 1141 case OPT_dump_tokens: 1142 Opts.ProgramAction = frontend::DumpTokens; break; 1143 case OPT_S: 1144 Opts.ProgramAction = frontend::EmitAssembly; break; 1145 case OPT_emit_llvm_bc: 1146 Opts.ProgramAction = frontend::EmitBC; break; 1147 case OPT_emit_html: 1148 Opts.ProgramAction = frontend::EmitHTML; break; 1149 case OPT_emit_llvm: 1150 Opts.ProgramAction = frontend::EmitLLVM; break; 1151 case OPT_emit_llvm_only: 1152 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1153 case OPT_emit_codegen_only: 1154 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1155 case OPT_emit_obj: 1156 Opts.ProgramAction = frontend::EmitObj; break; 1157 case OPT_fixit_EQ: 1158 Opts.FixItSuffix = A->getValue(Args); 1159 // fall-through! 1160 case OPT_fixit: 1161 Opts.ProgramAction = frontend::FixIt; break; 1162 case OPT_emit_pch: 1163 Opts.ProgramAction = frontend::GeneratePCH; break; 1164 case OPT_emit_pth: 1165 Opts.ProgramAction = frontend::GeneratePTH; break; 1166 case OPT_init_only: 1167 Opts.ProgramAction = frontend::InitOnly; break; 1168 case OPT_fsyntax_only: 1169 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1170 case OPT_print_decl_contexts: 1171 Opts.ProgramAction = frontend::PrintDeclContext; break; 1172 case OPT_print_preamble: 1173 Opts.ProgramAction = frontend::PrintPreamble; break; 1174 case OPT_E: 1175 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1176 case OPT_rewrite_macros: 1177 Opts.ProgramAction = frontend::RewriteMacros; break; 1178 case OPT_rewrite_objc: 1179 Opts.ProgramAction = frontend::RewriteObjC; break; 1180 case OPT_rewrite_test: 1181 Opts.ProgramAction = frontend::RewriteTest; break; 1182 case OPT_analyze: 1183 Opts.ProgramAction = frontend::RunAnalysis; break; 1184 case OPT_Eonly: 1185 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1186 case OPT_create_module: 1187 Opts.ProgramAction = frontend::CreateModule; break; 1188 } 1189 } 1190 1191 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1192 Opts.Plugins.push_back(A->getValue(Args,0)); 1193 Opts.ProgramAction = frontend::PluginAction; 1194 Opts.ActionName = A->getValue(Args); 1195 1196 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1197 end = Args.filtered_end(); it != end; ++it) { 1198 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1199 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1200 } 1201 } 1202 1203 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1204 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1205 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1206 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1207 end = Args.filtered_end(); it != end; ++it) { 1208 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1209 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1210 } 1211 } 1212 1213 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1214 Opts.CodeCompletionAt = 1215 ParsedSourceLocation::FromString(A->getValue(Args)); 1216 if (Opts.CodeCompletionAt.FileName.empty()) 1217 Diags.Report(diag::err_drv_invalid_value) 1218 << A->getAsString(Args) << A->getValue(Args); 1219 } 1220 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1221 1222 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1223 Opts.Plugins = Args.getAllArgValues(OPT_load); 1224 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1225 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1226 Opts.ShowHelp = Args.hasArg(OPT_help); 1227 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1228 Opts.ShowCodePatternsInCodeCompletion 1229 = Args.hasArg(OPT_code_completion_patterns); 1230 Opts.ShowGlobalSymbolsInCodeCompletion 1231 = !Args.hasArg(OPT_no_code_completion_globals); 1232 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1233 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1234 Opts.ShowVersion = Args.hasArg(OPT_version); 1235 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1236 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1237 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1238 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1239 1240 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1241 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1242 OPT_arcmt_modify)) { 1243 switch (A->getOption().getID()) { 1244 default: 1245 llvm_unreachable("missed a case"); 1246 case OPT_arcmt_check: 1247 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1248 break; 1249 case OPT_arcmt_modify: 1250 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1251 break; 1252 } 1253 } 1254 1255 InputKind DashX = IK_None; 1256 if (const Arg *A = Args.getLastArg(OPT_x)) { 1257 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1258 .Case("c", IK_C) 1259 .Case("cl", IK_OpenCL) 1260 .Case("cuda", IK_CUDA) 1261 .Case("c++", IK_CXX) 1262 .Case("objective-c", IK_ObjC) 1263 .Case("objective-c++", IK_ObjCXX) 1264 .Case("cpp-output", IK_PreprocessedC) 1265 .Case("assembler-with-cpp", IK_Asm) 1266 .Case("c++-cpp-output", IK_PreprocessedCXX) 1267 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1268 .Case("objc-cpp-output", IK_PreprocessedObjC) 1269 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1270 .Case("c-header", IK_C) 1271 .Case("objective-c-header", IK_ObjC) 1272 .Case("c++-header", IK_CXX) 1273 .Case("objective-c++-header", IK_ObjCXX) 1274 .Case("ast", IK_AST) 1275 .Case("ir", IK_LLVM_IR) 1276 .Default(IK_None); 1277 if (DashX == IK_None) 1278 Diags.Report(diag::err_drv_invalid_value) 1279 << A->getAsString(Args) << A->getValue(Args); 1280 } 1281 1282 // '-' is the default input if none is given. 1283 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1284 Opts.Inputs.clear(); 1285 if (Inputs.empty()) 1286 Inputs.push_back("-"); 1287 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1288 InputKind IK = DashX; 1289 if (IK == IK_None) { 1290 IK = FrontendOptions::getInputKindForExtension( 1291 llvm::StringRef(Inputs[i]).rsplit('.').second); 1292 // FIXME: Remove this hack. 1293 if (i == 0) 1294 DashX = IK; 1295 } 1296 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1297 } 1298 1299 return DashX; 1300 } 1301 1302 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1303 void *MainAddr) { 1304 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1305 1306 if (!P.isEmpty()) { 1307 P.eraseComponent(); // Remove /clang from foo/bin/clang 1308 P.eraseComponent(); // Remove /bin from foo/bin 1309 1310 // Get foo/lib/clang/<version>/include 1311 P.appendComponent("lib"); 1312 P.appendComponent("clang"); 1313 P.appendComponent(CLANG_VERSION_STRING); 1314 } 1315 1316 return P.str(); 1317 } 1318 1319 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1320 using namespace cc1options; 1321 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1322 Opts.Verbose = Args.hasArg(OPT_v); 1323 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1324 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1325 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1326 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1327 1328 // Add -I... and -F... options in order. 1329 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1330 ie = Args.filtered_end(); it != ie; ++it) 1331 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1332 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1333 1334 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1335 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1336 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1337 OPT_iwithprefixbefore), 1338 ie = Args.filtered_end(); it != ie; ++it) { 1339 const Arg *A = *it; 1340 if (A->getOption().matches(OPT_iprefix)) 1341 Prefix = A->getValue(Args); 1342 else if (A->getOption().matches(OPT_iwithprefix)) 1343 Opts.AddPath(Prefix.str() + A->getValue(Args), 1344 frontend::System, false, false, true); 1345 else 1346 Opts.AddPath(Prefix.str() + A->getValue(Args), 1347 frontend::Angled, false, false, true); 1348 } 1349 1350 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1351 ie = Args.filtered_end(); it != ie; ++it) 1352 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1353 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1354 ie = Args.filtered_end(); it != ie; ++it) 1355 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1356 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1357 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1358 Opts.AddPath((*it)->getValue(Args), 1359 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1360 frontend::CXXSystem : frontend::System), 1361 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1362 1363 // FIXME: Need options for the various environment variables! 1364 } 1365 1366 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1367 LangStandard::Kind LangStd) { 1368 // Set some properties which depend solely on the input kind; it would be nice 1369 // to move these to the language standard, and have the driver resolve the 1370 // input kind + language standard. 1371 if (IK == IK_Asm) { 1372 Opts.AsmPreprocessor = 1; 1373 } else if (IK == IK_ObjC || 1374 IK == IK_ObjCXX || 1375 IK == IK_PreprocessedObjC || 1376 IK == IK_PreprocessedObjCXX) { 1377 Opts.ObjC1 = Opts.ObjC2 = 1; 1378 } 1379 1380 if (LangStd == LangStandard::lang_unspecified) { 1381 // Based on the base language, pick one. 1382 switch (IK) { 1383 case IK_None: 1384 case IK_AST: 1385 case IK_LLVM_IR: 1386 assert(0 && "Invalid input kind!"); 1387 case IK_OpenCL: 1388 LangStd = LangStandard::lang_opencl; 1389 break; 1390 case IK_CUDA: 1391 LangStd = LangStandard::lang_cuda; 1392 break; 1393 case IK_Asm: 1394 case IK_C: 1395 case IK_PreprocessedC: 1396 case IK_ObjC: 1397 case IK_PreprocessedObjC: 1398 LangStd = LangStandard::lang_gnu99; 1399 break; 1400 case IK_CXX: 1401 case IK_PreprocessedCXX: 1402 case IK_ObjCXX: 1403 case IK_PreprocessedObjCXX: 1404 LangStd = LangStandard::lang_gnucxx98; 1405 break; 1406 } 1407 } 1408 1409 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1410 Opts.BCPLComment = Std.hasBCPLComments(); 1411 Opts.C99 = Std.isC99(); 1412 Opts.C1X = Std.isC1X(); 1413 Opts.CPlusPlus = Std.isCPlusPlus(); 1414 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1415 Opts.Digraphs = Std.hasDigraphs(); 1416 Opts.GNUMode = Std.isGNUMode(); 1417 Opts.GNUInline = !Std.isC99(); 1418 Opts.HexFloats = Std.hasHexFloats(); 1419 Opts.ImplicitInt = Std.hasImplicitInt(); 1420 1421 // OpenCL has some additional defaults. 1422 if (LangStd == LangStandard::lang_opencl) { 1423 Opts.OpenCL = 1; 1424 Opts.AltiVec = 1; 1425 Opts.CXXOperatorNames = 1; 1426 Opts.LaxVectorConversions = 1; 1427 Opts.DefaultFPContract = 1; 1428 } 1429 1430 if (LangStd == LangStandard::lang_cuda) 1431 Opts.CUDA = 1; 1432 1433 // OpenCL and C++ both have bool, true, false keywords. 1434 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1435 1436 Opts.GNUKeywords = Opts.GNUMode; 1437 Opts.CXXOperatorNames = Opts.CPlusPlus; 1438 1439 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1440 // is specified, or -std is set to a conforming mode. 1441 Opts.Trigraphs = !Opts.GNUMode; 1442 1443 Opts.DollarIdents = !Opts.AsmPreprocessor; 1444 } 1445 1446 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1447 Diagnostic &Diags) { 1448 // FIXME: Cleanup per-file based stuff. 1449 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1450 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1451 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1452 #define LANGSTANDARD(id, name, desc, features) \ 1453 .Case(name, LangStandard::lang_##id) 1454 #include "clang/Frontend/LangStandards.def" 1455 .Default(LangStandard::lang_unspecified); 1456 if (LangStd == LangStandard::lang_unspecified) 1457 Diags.Report(diag::err_drv_invalid_value) 1458 << A->getAsString(Args) << A->getValue(Args); 1459 else { 1460 // Valid standard, check to make sure language and standard are compatable. 1461 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1462 switch (IK) { 1463 case IK_C: 1464 case IK_ObjC: 1465 case IK_PreprocessedC: 1466 case IK_PreprocessedObjC: 1467 if (!(Std.isC89() || Std.isC99())) 1468 Diags.Report(diag::err_drv_argument_not_allowed_with) 1469 << A->getAsString(Args) << "C/ObjC"; 1470 break; 1471 case IK_CXX: 1472 case IK_ObjCXX: 1473 case IK_PreprocessedCXX: 1474 case IK_PreprocessedObjCXX: 1475 if (!Std.isCPlusPlus()) 1476 Diags.Report(diag::err_drv_argument_not_allowed_with) 1477 << A->getAsString(Args) << "C++/ObjC++"; 1478 break; 1479 case IK_OpenCL: 1480 if (!Std.isC99()) 1481 Diags.Report(diag::err_drv_argument_not_allowed_with) 1482 << A->getAsString(Args) << "OpenCL"; 1483 break; 1484 case IK_CUDA: 1485 if (!Std.isCPlusPlus()) 1486 Diags.Report(diag::err_drv_argument_not_allowed_with) 1487 << A->getAsString(Args) << "CUDA"; 1488 break; 1489 default: 1490 break; 1491 } 1492 } 1493 } 1494 1495 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1496 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1497 Diags.Report(diag::err_drv_invalid_value) 1498 << A->getAsString(Args) << A->getValue(Args); 1499 } 1500 } 1501 1502 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1503 1504 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1505 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1506 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1507 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1508 // name, as it doesn't seem a useful distinction. 1509 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1510 Opts.GNUKeywords); 1511 1512 if (Args.hasArg(OPT_fno_operator_names)) 1513 Opts.CXXOperatorNames = 0; 1514 1515 if (Opts.ObjC1) { 1516 if (Args.hasArg(OPT_fobjc_gc_only)) 1517 Opts.setGCMode(LangOptions::GCOnly); 1518 else if (Args.hasArg(OPT_fobjc_gc)) 1519 Opts.setGCMode(LangOptions::HybridGC); 1520 else if (Args.hasArg(OPT_fobjc_arc)) { 1521 Opts.ObjCAutoRefCount = 1; 1522 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1523 Diags.Report(diag::err_arc_nonfragile_abi); 1524 if (Args.hasArg(OPT_fobjc_no_arc_runtime)) 1525 Opts.ObjCNoAutoRefCountRuntime = 1; 1526 } 1527 1528 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1529 Opts.ObjCInferRelatedResultType = 0; 1530 } 1531 1532 if (Args.hasArg(OPT_fgnu89_inline)) 1533 Opts.GNUInline = 1; 1534 1535 if (Args.hasArg(OPT_fapple_kext)) { 1536 if (!Opts.CPlusPlus) 1537 Diags.Report(diag::warn_c_kext); 1538 else 1539 Opts.AppleKext = 1; 1540 } 1541 1542 if (Args.hasArg(OPT_print_ivar_layout)) 1543 Opts.ObjCGCBitmapPrint = 1; 1544 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1545 Opts.NoConstantCFStrings = 1; 1546 1547 if (Args.hasArg(OPT_faltivec)) 1548 Opts.AltiVec = 1; 1549 1550 if (Args.hasArg(OPT_pthread)) 1551 Opts.POSIXThreads = 1; 1552 1553 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1554 Opts.DelayedTemplateParsing = 1; 1555 1556 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1557 if (Vis == "default") 1558 Opts.setVisibilityMode(DefaultVisibility); 1559 else if (Vis == "hidden") 1560 Opts.setVisibilityMode(HiddenVisibility); 1561 else if (Vis == "protected") 1562 Opts.setVisibilityMode(ProtectedVisibility); 1563 else 1564 Diags.Report(diag::err_drv_invalid_value) 1565 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1566 1567 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1568 Opts.InlineVisibilityHidden = 1; 1569 1570 if (Args.hasArg(OPT_ftrapv)) { 1571 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1572 // Set the handler, if one is specified. 1573 Opts.OverflowHandler = 1574 Args.getLastArgValue(OPT_ftrapv_handler); 1575 } 1576 else if (Args.hasArg(OPT_fwrapv)) 1577 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1578 1579 if (Args.hasArg(OPT_trigraphs)) 1580 Opts.Trigraphs = 1; 1581 1582 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1583 OPT_fno_dollars_in_identifiers, 1584 Opts.DollarIdents); 1585 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1586 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1587 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1588 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1589 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1590 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1591 Opts.ConstStrings); 1592 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1593 Opts.LaxVectorConversions = 0; 1594 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1595 Opts.ThreadsafeStatics = 0; 1596 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1597 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1598 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1599 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1600 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1601 1602 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1603 Opts.Blocks = Args.hasArg(OPT_fblocks); 1604 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1605 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1606 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1607 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1608 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1609 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1610 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1611 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1612 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1613 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1614 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1615 Diags); 1616 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1617 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1618 0, Diags); 1619 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1620 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1621 Opts.ObjCConstantStringClass = 1622 Args.getLastArgValue(OPT_fconstant_string_class); 1623 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1624 if (Opts.ObjCNonFragileABI) 1625 Opts.ObjCNonFragileABI2 = true; 1626 Opts.ObjCDefaultSynthProperties = 1627 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1628 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1629 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1630 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1631 Opts.Static = Args.hasArg(OPT_static_define); 1632 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1633 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1634 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1635 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1636 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1637 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1638 Opts.OptimizeSize = 0; 1639 Opts.MRTD = Args.hasArg(OPT_mrtd); 1640 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1641 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1642 1643 // Record whether the __DEPRECATED define was requested. 1644 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1645 OPT_fno_deprecated_macro, 1646 Opts.Deprecated); 1647 1648 // FIXME: Eliminate this dependency. 1649 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1650 Opts.Optimize = Opt != 0; 1651 1652 // This is the __NO_INLINE__ define, which just depends on things like the 1653 // optimization level and -fno-inline, not actually whether the backend has 1654 // inlining enabled. 1655 // 1656 // FIXME: This is affected by other options (-fno-inline). 1657 Opts.NoInline = !Opt; 1658 1659 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1660 switch (SSP) { 1661 default: 1662 Diags.Report(diag::err_drv_invalid_value) 1663 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1664 break; 1665 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1666 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1667 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1668 } 1669 } 1670 1671 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1672 FileManager &FileMgr, 1673 Diagnostic &Diags) { 1674 using namespace cc1options; 1675 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1676 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1677 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1678 Opts.TokenCache = A->getValue(Args); 1679 else 1680 Opts.TokenCache = Opts.ImplicitPTHInclude; 1681 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1682 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1683 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1684 1685 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1686 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1687 ie = Args.filtered_end(); it != ie; ++it) { 1688 const Arg *A = *it; 1689 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1690 } 1691 1692 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1693 llvm::StringRef Value(A->getValue(Args)); 1694 size_t Comma = Value.find(','); 1695 unsigned Bytes = 0; 1696 unsigned EndOfLine = 0; 1697 1698 if (Comma == llvm::StringRef::npos || 1699 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1700 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1701 Diags.Report(diag::err_drv_preamble_format); 1702 else { 1703 Opts.PrecompiledPreambleBytes.first = Bytes; 1704 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1705 } 1706 } 1707 1708 // Add macros from the command line. 1709 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1710 ie = Args.filtered_end(); it != ie; ++it) { 1711 if ((*it)->getOption().matches(OPT_D)) 1712 Opts.addMacroDef((*it)->getValue(Args)); 1713 else 1714 Opts.addMacroUndef((*it)->getValue(Args)); 1715 } 1716 1717 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1718 1719 // Add the ordered list of -includes. 1720 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1721 OPT_include_pth), 1722 ie = Args.filtered_end(); it != ie; ++it) { 1723 const Arg *A = *it; 1724 // PCH is handled specially, we need to extra the original include path. 1725 if (A->getOption().matches(OPT_include_pch)) { 1726 std::string OriginalFile = 1727 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1728 if (OriginalFile.empty()) 1729 continue; 1730 1731 Opts.Includes.push_back(OriginalFile); 1732 } else 1733 Opts.Includes.push_back(A->getValue(Args)); 1734 } 1735 1736 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1737 ie = Args.filtered_end(); it != ie; ++it) { 1738 const Arg *A = *it; 1739 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1740 } 1741 1742 // Include 'altivec.h' if -faltivec option present 1743 if (Args.hasArg(OPT_faltivec)) 1744 Opts.Includes.push_back("altivec.h"); 1745 1746 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1747 ie = Args.filtered_end(); it != ie; ++it) { 1748 const Arg *A = *it; 1749 std::pair<llvm::StringRef,llvm::StringRef> Split = 1750 llvm::StringRef(A->getValue(Args)).split(';'); 1751 1752 if (Split.second.empty()) { 1753 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1754 continue; 1755 } 1756 1757 Opts.addRemappedFile(Split.first, Split.second); 1758 } 1759 1760 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1761 llvm::StringRef Name = A->getValue(Args); 1762 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1763 .Case("libc++", ARCXX_libcxx) 1764 .Case("libstdc++", ARCXX_libstdcxx) 1765 .Case("none", ARCXX_nolib) 1766 .Default(~0U); 1767 if (Library == ~0U) 1768 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1769 else 1770 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1771 } 1772 } 1773 1774 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1775 ArgList &Args) { 1776 using namespace cc1options; 1777 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1778 Opts.ShowComments = Args.hasArg(OPT_C); 1779 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1780 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1781 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1782 } 1783 1784 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1785 using namespace cc1options; 1786 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1787 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1788 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1789 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1790 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1791 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1792 1793 // Use the host triple if unspecified. 1794 if (Opts.Triple.empty()) 1795 Opts.Triple = llvm::sys::getHostTriple(); 1796 } 1797 1798 // 1799 1800 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1801 const char *const *ArgBegin, 1802 const char *const *ArgEnd, 1803 Diagnostic &Diags) { 1804 // Parse the arguments. 1805 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1806 unsigned MissingArgIndex, MissingArgCount; 1807 llvm::OwningPtr<InputArgList> Args( 1808 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1809 1810 // Check for missing argument error. 1811 if (MissingArgCount) 1812 Diags.Report(diag::err_drv_missing_argument) 1813 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1814 1815 // Issue errors on unknown arguments. 1816 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1817 ie = Args->filtered_end(); it != ie; ++it) 1818 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1819 1820 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1821 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1822 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1823 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1824 // FIXME: We shouldn't have to pass the DashX option around here 1825 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1826 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1827 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1828 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1829 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1830 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1831 Res.getLangOpts().ObjCExceptions = 1; 1832 } 1833 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1834 // PCH file and find the original header name. Remove the need to do that in 1835 // ParsePreprocessorArgs and remove the FileManager 1836 // parameters from the function and the "FileManager.h" #include. 1837 FileManager FileMgr(Res.getFileSystemOpts()); 1838 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1839 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1840 ParseTargetArgs(Res.getTargetOpts(), *Args); 1841 } 1842