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.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.NumRegisterParameters) { 199 Res.push_back("-mregparm"); 200 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 201 } 202 if (Opts.RelaxAll) 203 Res.push_back("-mrelax-all"); 204 if (Opts.SaveTempLabels) 205 Res.push_back("-msave-temp-labels"); 206 if (Opts.NoDwarf2CFIAsm) 207 Res.push_back("-fno-dwarf2-cfi-asm"); 208 if (Opts.SoftFloat) 209 Res.push_back("-msoft-float"); 210 if (Opts.UnwindTables) 211 Res.push_back("-munwind-tables"); 212 if (Opts.RelocationModel != "pic") { 213 Res.push_back("-mrelocation-model"); 214 Res.push_back(Opts.RelocationModel); 215 } 216 if (!Opts.VerifyModule) 217 Res.push_back("-disable-llvm-verifier"); 218 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 219 Res.push_back("-backend-option"); 220 Res.push_back(Opts.BackendOptions[i]); 221 } 222 } 223 224 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 225 std::vector<std::string> &Res) { 226 if (Opts.IncludeSystemHeaders) 227 Res.push_back("-sys-header-deps"); 228 if (Opts.ShowHeaderIncludes) 229 Res.push_back("-H"); 230 if (!Opts.HeaderIncludeOutputFile.empty()) { 231 Res.push_back("-header-include-file"); 232 Res.push_back(Opts.HeaderIncludeOutputFile); 233 } 234 if (Opts.UsePhonyTargets) 235 Res.push_back("-MP"); 236 if (!Opts.OutputFile.empty()) { 237 Res.push_back("-dependency-file"); 238 Res.push_back(Opts.OutputFile); 239 } 240 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 241 Res.push_back("-MT"); 242 Res.push_back(Opts.Targets[i]); 243 } 244 } 245 246 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 247 std::vector<std::string> &Res) { 248 if (Opts.IgnoreWarnings) 249 Res.push_back("-w"); 250 if (Opts.NoRewriteMacros) 251 Res.push_back("-Wno-rewrite-macros"); 252 if (Opts.Pedantic) 253 Res.push_back("-pedantic"); 254 if (Opts.PedanticErrors) 255 Res.push_back("-pedantic-errors"); 256 if (!Opts.ShowColumn) 257 Res.push_back("-fno-show-column"); 258 if (!Opts.ShowLocation) 259 Res.push_back("-fno-show-source-location"); 260 if (!Opts.ShowCarets) 261 Res.push_back("-fno-caret-diagnostics"); 262 if (!Opts.ShowFixits) 263 Res.push_back("-fno-diagnostics-fixit-info"); 264 if (Opts.ShowSourceRanges) 265 Res.push_back("-fdiagnostics-print-source-range-info"); 266 if (Opts.ShowParseableFixits) 267 Res.push_back("-fdiagnostics-parseable-fixits"); 268 if (Opts.ShowColors) 269 Res.push_back("-fcolor-diagnostics"); 270 if (Opts.VerifyDiagnostics) 271 Res.push_back("-verify"); 272 if (Opts.ShowNames) 273 Res.push_back("-fdiagnostics-show-name"); 274 if (Opts.ShowOptionNames) 275 Res.push_back("-fdiagnostics-show-option"); 276 if (Opts.ShowCategories == 1) 277 Res.push_back("-fdiagnostics-show-category=id"); 278 else if (Opts.ShowCategories == 2) 279 Res.push_back("-fdiagnostics-show-category=name"); 280 switch (Opts.Format) { 281 case DiagnosticOptions::Clang: 282 Res.push_back("-fdiagnostics-format=clang"); break; 283 case DiagnosticOptions::Msvc: 284 Res.push_back("-fdiagnostics-format=msvc"); break; 285 case DiagnosticOptions::Vi: 286 Res.push_back("-fdiagnostics-format=vi"); break; 287 } 288 if (Opts.ErrorLimit) { 289 Res.push_back("-ferror-limit"); 290 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 291 } 292 if (!Opts.DiagnosticLogFile.empty()) { 293 Res.push_back("-diagnostic-log-file"); 294 Res.push_back(Opts.DiagnosticLogFile); 295 } 296 if (Opts.MacroBacktraceLimit 297 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 298 Res.push_back("-fmacro-backtrace-limit"); 299 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 300 } 301 if (Opts.TemplateBacktraceLimit 302 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 303 Res.push_back("-ftemplate-backtrace-limit"); 304 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 305 } 306 307 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 308 Res.push_back("-ftabstop"); 309 Res.push_back(llvm::utostr(Opts.TabStop)); 310 } 311 if (Opts.MessageLength) { 312 Res.push_back("-fmessage-length"); 313 Res.push_back(llvm::utostr(Opts.MessageLength)); 314 } 315 if (!Opts.DumpBuildInformation.empty()) { 316 Res.push_back("-dump-build-information"); 317 Res.push_back(Opts.DumpBuildInformation); 318 } 319 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 320 Res.push_back("-W" + Opts.Warnings[i]); 321 } 322 323 static const char *getInputKindName(InputKind Kind) { 324 switch (Kind) { 325 case IK_None: break; 326 case IK_AST: return "ast"; 327 case IK_Asm: return "assembler-with-cpp"; 328 case IK_C: return "c"; 329 case IK_CXX: return "c++"; 330 case IK_LLVM_IR: return "ir"; 331 case IK_ObjC: return "objective-c"; 332 case IK_ObjCXX: return "objective-c++"; 333 case IK_OpenCL: return "cl"; 334 case IK_CUDA: return "cuda"; 335 case IK_PreprocessedC: return "cpp-output"; 336 case IK_PreprocessedCXX: return "c++-cpp-output"; 337 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 338 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 339 } 340 341 llvm_unreachable("Unexpected language kind!"); 342 return 0; 343 } 344 345 static const char *getActionName(frontend::ActionKind Kind) { 346 switch (Kind) { 347 case frontend::PluginAction: 348 llvm_unreachable("Invalid kind!"); 349 350 case frontend::ASTDump: return "-ast-dump"; 351 case frontend::ASTDumpXML: return "-ast-dump-xml"; 352 case frontend::ASTPrint: return "-ast-print"; 353 case frontend::ASTView: return "-ast-view"; 354 case frontend::BoostCon: return "-boostcon"; 355 case frontend::CreateModule: return "-create-module"; 356 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 357 case frontend::DumpTokens: return "-dump-tokens"; 358 case frontend::EmitAssembly: return "-S"; 359 case frontend::EmitBC: return "-emit-llvm-bc"; 360 case frontend::EmitHTML: return "-emit-html"; 361 case frontend::EmitLLVM: return "-emit-llvm"; 362 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 363 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 364 case frontend::EmitObj: return "-emit-obj"; 365 case frontend::FixIt: return "-fixit"; 366 case frontend::GeneratePCH: return "-emit-pch"; 367 case frontend::GeneratePTH: return "-emit-pth"; 368 case frontend::InitOnly: return "-init-only"; 369 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 370 case frontend::PrintDeclContext: return "-print-decl-contexts"; 371 case frontend::PrintPreamble: return "-print-preamble"; 372 case frontend::PrintPreprocessedInput: return "-E"; 373 case frontend::RewriteMacros: return "-rewrite-macros"; 374 case frontend::RewriteObjC: return "-rewrite-objc"; 375 case frontend::RewriteTest: return "-rewrite-test"; 376 case frontend::RunAnalysis: return "-analyze"; 377 case frontend::RunPreprocessorOnly: return "-Eonly"; 378 } 379 380 llvm_unreachable("Unexpected language kind!"); 381 return 0; 382 } 383 384 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 385 std::vector<std::string> &Res) { 386 if (!Opts.WorkingDir.empty()) { 387 Res.push_back("-working-directory"); 388 Res.push_back(Opts.WorkingDir); 389 } 390 } 391 392 static void FrontendOptsToArgs(const FrontendOptions &Opts, 393 std::vector<std::string> &Res) { 394 if (Opts.DisableFree) 395 Res.push_back("-disable-free"); 396 if (Opts.RelocatablePCH) 397 Res.push_back("-relocatable-pch"); 398 if (Opts.ChainedPCH) 399 Res.push_back("-chained-pch"); 400 if (Opts.ShowHelp) 401 Res.push_back("-help"); 402 if (Opts.ShowMacrosInCodeCompletion) 403 Res.push_back("-code-completion-macros"); 404 if (Opts.ShowCodePatternsInCodeCompletion) 405 Res.push_back("-code-completion-patterns"); 406 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 407 Res.push_back("-no-code-completion-globals"); 408 if (Opts.ShowStats) 409 Res.push_back("-print-stats"); 410 if (Opts.ShowTimers) 411 Res.push_back("-ftime-report"); 412 if (Opts.ShowVersion) 413 Res.push_back("-version"); 414 if (Opts.FixWhatYouCan) 415 Res.push_back("-fix-what-you-can"); 416 417 bool NeedLang = false; 418 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 419 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 420 Opts.Inputs[i].first) 421 NeedLang = true; 422 if (NeedLang) { 423 Res.push_back("-x"); 424 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 425 } 426 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 427 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 428 "Unable to represent this input vector!"); 429 Res.push_back(Opts.Inputs[i].second); 430 } 431 432 if (!Opts.OutputFile.empty()) { 433 Res.push_back("-o"); 434 Res.push_back(Opts.OutputFile); 435 } 436 if (!Opts.CodeCompletionAt.FileName.empty()) { 437 Res.push_back("-code-completion-at"); 438 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 439 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 440 llvm::utostr(Opts.CodeCompletionAt.Column)); 441 } 442 if (Opts.ProgramAction != frontend::PluginAction) 443 Res.push_back(getActionName(Opts.ProgramAction)); 444 if (!Opts.ActionName.empty()) { 445 Res.push_back("-plugin"); 446 Res.push_back(Opts.ActionName); 447 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 448 Res.push_back("-plugin-arg-" + Opts.ActionName); 449 Res.push_back(Opts.PluginArgs[i]); 450 } 451 } 452 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 453 Res.push_back("-load"); 454 Res.push_back(Opts.Plugins[i]); 455 } 456 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 457 Res.push_back("-add-plugin"); 458 Res.push_back(Opts.AddPluginActions[i]); 459 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 460 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 461 Res.push_back(Opts.AddPluginArgs[i][ai]); 462 } 463 } 464 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 465 Res.push_back("-ast-merge"); 466 Res.push_back(Opts.ASTMergeFiles[i]); 467 } 468 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 469 Res.push_back("-import-module"); 470 Res.push_back(Opts.Modules[i]); 471 } 472 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 473 Res.push_back("-mllvm"); 474 Res.push_back(Opts.LLVMArgs[i]); 475 } 476 } 477 478 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 479 std::vector<std::string> &Res) { 480 if (Opts.Sysroot != "/") { 481 Res.push_back("-isysroot"); 482 Res.push_back(Opts.Sysroot); 483 } 484 485 /// User specified include entries. 486 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 487 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 488 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 489 llvm::report_fatal_error("Invalid option set!"); 490 if (E.IsUserSupplied) { 491 if (E.Group == frontend::After) { 492 Res.push_back("-idirafter"); 493 } else if (E.Group == frontend::Quoted) { 494 Res.push_back("-iquote"); 495 } else if (E.Group == frontend::System) { 496 Res.push_back("-isystem"); 497 } else if (E.Group == frontend::CXXSystem) { 498 Res.push_back("-cxx-isystem"); 499 } else { 500 assert(E.Group == frontend::Angled && "Invalid group!"); 501 Res.push_back(E.IsFramework ? "-F" : "-I"); 502 } 503 } else { 504 if (E.Group != frontend::Angled && E.Group != frontend::System) 505 llvm::report_fatal_error("Invalid option set!"); 506 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 507 "-iwithprefix"); 508 } 509 Res.push_back(E.Path); 510 } 511 512 if (!Opts.EnvIncPath.empty()) { 513 // FIXME: Provide an option for this, and move env detection to driver. 514 llvm::report_fatal_error("Not yet implemented!"); 515 } 516 if (!Opts.CEnvIncPath.empty()) { 517 // FIXME: Provide an option for this, and move env detection to driver. 518 llvm::report_fatal_error("Not yet implemented!"); 519 } 520 if (!Opts.ObjCEnvIncPath.empty()) { 521 // FIXME: Provide an option for this, and move env detection to driver. 522 llvm::report_fatal_error("Not yet implemented!"); 523 } 524 if (!Opts.CXXEnvIncPath.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.ObjCXXEnvIncPath.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.ResourceDir.empty()) { 533 Res.push_back("-resource-dir"); 534 Res.push_back(Opts.ResourceDir); 535 } 536 if (!Opts.UseStandardIncludes) 537 Res.push_back("-nostdinc"); 538 if (!Opts.UseStandardCXXIncludes) 539 Res.push_back("-nostdinc++"); 540 if (Opts.Verbose) 541 Res.push_back("-v"); 542 } 543 544 static void LangOptsToArgs(const LangOptions &Opts, 545 std::vector<std::string> &Res) { 546 LangOptions DefaultLangOpts; 547 548 // FIXME: Need to set -std to get all the implicit options. 549 550 // FIXME: We want to only pass options relative to the defaults, which 551 // requires constructing a target. :( 552 // 553 // It would be better to push the all target specific choices into the driver, 554 // so that everything below that was more uniform. 555 556 if (Opts.Trigraphs) 557 Res.push_back("-trigraphs"); 558 // Implicit based on the input kind: 559 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 560 // Implicit based on the input language standard: 561 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 562 if (Opts.DollarIdents) 563 Res.push_back("-fdollars-in-identifiers"); 564 if (Opts.GNUMode && !Opts.GNUKeywords) 565 Res.push_back("-fno-gnu-keywords"); 566 if (!Opts.GNUMode && Opts.GNUKeywords) 567 Res.push_back("-fgnu-keywords"); 568 if (Opts.Microsoft) 569 Res.push_back("-fms-extensions"); 570 if (Opts.MSCVersion != 0) 571 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 572 if (Opts.Borland) 573 Res.push_back("-fborland-extensions"); 574 if (Opts.ObjCNonFragileABI) 575 Res.push_back("-fobjc-nonfragile-abi"); 576 if (Opts.ObjCNonFragileABI2) 577 Res.push_back("-fobjc-nonfragile-abi"); 578 if (Opts.ObjCDefaultSynthProperties) 579 Res.push_back("-fobjc-default-synthesize-properties"); 580 // NoInline is implicit. 581 if (!Opts.CXXOperatorNames) 582 Res.push_back("-fno-operator-names"); 583 if (Opts.PascalStrings) 584 Res.push_back("-fpascal-strings"); 585 if (Opts.CatchUndefined) 586 Res.push_back("-fcatch-undefined-behavior"); 587 if (Opts.WritableStrings) 588 Res.push_back("-fwritable-strings"); 589 if (Opts.ConstStrings) 590 Res.push_back("-fconst-strings"); 591 if (!Opts.LaxVectorConversions) 592 Res.push_back("-fno-lax-vector-conversions"); 593 if (Opts.AltiVec) 594 Res.push_back("-faltivec"); 595 if (Opts.Exceptions) 596 Res.push_back("-fexceptions"); 597 if (Opts.ObjCExceptions) 598 Res.push_back("-fobjc-exceptions"); 599 if (Opts.CXXExceptions) 600 Res.push_back("-fcxx-exceptions"); 601 if (Opts.SjLjExceptions) 602 Res.push_back("-fsjlj-exceptions"); 603 if (Opts.TraditionalCPP) 604 Res.push_back("-traditional-cpp"); 605 if (!Opts.RTTI) 606 Res.push_back("-fno-rtti"); 607 if (Opts.MSBitfields) 608 Res.push_back("-mms-bitfields"); 609 if (!Opts.NeXTRuntime) 610 Res.push_back("-fgnu-runtime"); 611 if (Opts.Freestanding) 612 Res.push_back("-ffreestanding"); 613 if (Opts.NoBuiltin) 614 Res.push_back("-fno-builtin"); 615 if (!Opts.AssumeSaneOperatorNew) 616 Res.push_back("-fno-assume-sane-operator-new"); 617 if (!Opts.ThreadsafeStatics) 618 Res.push_back("-fno-threadsafe-statics"); 619 if (Opts.POSIXThreads) 620 Res.push_back("-pthread"); 621 if (Opts.Blocks) 622 Res.push_back("-fblocks"); 623 if (Opts.EmitAllDecls) 624 Res.push_back("-femit-all-decls"); 625 if (Opts.MathErrno) 626 Res.push_back("-fmath-errno"); 627 switch (Opts.getSignedOverflowBehavior()) { 628 case LangOptions::SOB_Undefined: break; 629 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 630 case LangOptions::SOB_Trapping: 631 Res.push_back("-ftrapv"); break; 632 if (!Opts.OverflowHandler.empty()) { 633 Res.push_back("-ftrapv-handler"); 634 Res.push_back(Opts.OverflowHandler); 635 } 636 } 637 if (Opts.HeinousExtensions) 638 Res.push_back("-fheinous-gnu-extensions"); 639 // Optimize is implicit. 640 // OptimizeSize is implicit. 641 if (Opts.Static) 642 Res.push_back("-static-define"); 643 if (Opts.DumpRecordLayouts) 644 Res.push_back("-fdump-record-layouts"); 645 if (Opts.DumpVTableLayouts) 646 Res.push_back("-fdump-vtable-layouts"); 647 if (Opts.NoBitFieldTypeAlign) 648 Res.push_back("-fno-bitfield-type-alignment"); 649 if (Opts.PICLevel) { 650 Res.push_back("-pic-level"); 651 Res.push_back(llvm::utostr(Opts.PICLevel)); 652 } 653 if (Opts.ObjCGCBitmapPrint) 654 Res.push_back("-print-ivar-layout"); 655 if (Opts.NoConstantCFStrings) 656 Res.push_back("-fno-constant-cfstrings"); 657 if (!Opts.AccessControl) 658 Res.push_back("-fno-access-control"); 659 if (!Opts.CharIsSigned) 660 Res.push_back("-fno-signed-char"); 661 if (Opts.ShortWChar) 662 Res.push_back("-fshort-wchar"); 663 if (!Opts.ElideConstructors) 664 Res.push_back("-fno-elide-constructors"); 665 if (Opts.getGCMode() != LangOptions::NonGC) { 666 if (Opts.getGCMode() == LangOptions::HybridGC) { 667 Res.push_back("-fobjc-gc"); 668 } else { 669 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 670 Res.push_back("-fobjc-gc-only"); 671 } 672 } 673 if (!Opts.ObjCInferRelatedResultType) 674 Res.push_back("-fno-objc-infer-related-result-type"); 675 676 if (Opts.AppleKext) 677 Res.push_back("-fapple-kext"); 678 679 if (Opts.getVisibilityMode() != DefaultVisibility) { 680 Res.push_back("-fvisibility"); 681 if (Opts.getVisibilityMode() == HiddenVisibility) { 682 Res.push_back("hidden"); 683 } else { 684 assert(Opts.getVisibilityMode() == ProtectedVisibility && 685 "Invalid visibility!"); 686 Res.push_back("protected"); 687 } 688 } 689 if (Opts.InlineVisibilityHidden) 690 Res.push_back("-fvisibility-inlines-hidden"); 691 692 if (Opts.getStackProtectorMode() != 0) { 693 Res.push_back("-stack-protector"); 694 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 695 } 696 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 697 Res.push_back("-ftemplate-depth"); 698 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 699 } 700 if (!Opts.ObjCConstantStringClass.empty()) { 701 Res.push_back("-fconstant-string-class"); 702 Res.push_back(Opts.ObjCConstantStringClass); 703 } 704 if (Opts.FakeAddressSpaceMap) 705 Res.push_back("-ffake-address-space-map"); 706 if (Opts.ParseUnknownAnytype) 707 Res.push_back("-funknown-anytype"); 708 if (Opts.DelayedTemplateParsing) 709 Res.push_back("-fdelayed-template-parsing"); 710 if (Opts.Deprecated) 711 Res.push_back("-fdeprecated-macro"); 712 } 713 714 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 715 std::vector<std::string> &Res) { 716 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 717 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 718 Opts.Macros[i].first); 719 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 720 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 721 Res.push_back("-include"); 722 Res.push_back(Opts.Includes[i]); 723 } 724 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 725 Res.push_back("-imacros"); 726 Res.push_back(Opts.MacroIncludes[i]); 727 } 728 if (!Opts.UsePredefines) 729 Res.push_back("-undef"); 730 if (Opts.DetailedRecord) 731 Res.push_back("-detailed-preprocessing-record"); 732 if (!Opts.ImplicitPCHInclude.empty()) { 733 Res.push_back("-include-pch"); 734 Res.push_back(Opts.ImplicitPCHInclude); 735 } 736 if (!Opts.ImplicitPTHInclude.empty()) { 737 Res.push_back("-include-pth"); 738 Res.push_back(Opts.ImplicitPTHInclude); 739 } 740 if (!Opts.TokenCache.empty()) { 741 if (Opts.ImplicitPTHInclude.empty()) { 742 Res.push_back("-token-cache"); 743 Res.push_back(Opts.TokenCache); 744 } else 745 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 746 "Unsupported option combination!"); 747 } 748 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 749 Res.push_back("-chain-include"); 750 Res.push_back(Opts.ChainedIncludes[i]); 751 } 752 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 753 Res.push_back("-remap-file"); 754 Res.push_back(Opts.RemappedFiles[i].first + ";" + 755 Opts.RemappedFiles[i].second); 756 } 757 } 758 759 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 760 std::vector<std::string> &Res) { 761 if (!Opts.ShowCPP && !Opts.ShowMacros) 762 llvm::report_fatal_error("Invalid option combination!"); 763 764 if (Opts.ShowCPP && Opts.ShowMacros) 765 Res.push_back("-dD"); 766 else if (!Opts.ShowCPP && Opts.ShowMacros) 767 Res.push_back("-dM"); 768 769 if (!Opts.ShowLineMarkers) 770 Res.push_back("-P"); 771 if (Opts.ShowComments) 772 Res.push_back("-C"); 773 if (Opts.ShowMacroComments) 774 Res.push_back("-CC"); 775 } 776 777 static void TargetOptsToArgs(const TargetOptions &Opts, 778 std::vector<std::string> &Res) { 779 Res.push_back("-triple"); 780 Res.push_back(Opts.Triple); 781 if (!Opts.CPU.empty()) { 782 Res.push_back("-target-cpu"); 783 Res.push_back(Opts.CPU); 784 } 785 if (!Opts.ABI.empty()) { 786 Res.push_back("-target-abi"); 787 Res.push_back(Opts.ABI); 788 } 789 if (!Opts.LinkerVersion.empty()) { 790 Res.push_back("-target-linker-version"); 791 Res.push_back(Opts.LinkerVersion); 792 } 793 if (!Opts.CXXABI.empty()) { 794 Res.push_back("-cxx-abi"); 795 Res.push_back(Opts.CXXABI); 796 } 797 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 798 Res.push_back("-target-feature"); 799 Res.push_back(Opts.Features[i]); 800 } 801 } 802 803 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 804 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 805 CodeGenOptsToArgs(getCodeGenOpts(), Res); 806 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 807 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 808 FileSystemOptsToArgs(getFileSystemOpts(), Res); 809 FrontendOptsToArgs(getFrontendOpts(), Res); 810 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 811 LangOptsToArgs(getLangOpts(), Res); 812 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 813 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 814 TargetOptsToArgs(getTargetOpts(), Res); 815 } 816 817 //===----------------------------------------------------------------------===// 818 // Deserialization (to args) 819 //===----------------------------------------------------------------------===// 820 821 using namespace clang::driver; 822 using namespace clang::driver::cc1options; 823 824 // 825 826 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 827 Diagnostic &Diags) { 828 unsigned DefaultOpt = 0; 829 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 830 DefaultOpt = 2; 831 // -Os/-Oz implies -O2 832 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 833 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 834 } 835 836 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 837 Diagnostic &Diags) { 838 using namespace cc1options; 839 840 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 841 llvm::StringRef Name = A->getValue(Args); 842 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 843 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 844 .Case(CMDFLAG, NAME##Model) 845 #include "clang/Frontend/Analyses.def" 846 .Default(NumStores); 847 // FIXME: Error handling. 848 if (Value == NumStores) 849 Diags.Report(diag::err_drv_invalid_value) 850 << A->getAsString(Args) << Name; 851 else 852 Opts.AnalysisStoreOpt = Value; 853 } 854 855 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 856 llvm::StringRef Name = A->getValue(Args); 857 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 858 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 859 .Case(CMDFLAG, NAME##Model) 860 #include "clang/Frontend/Analyses.def" 861 .Default(NumConstraints); 862 // FIXME: Error handling. 863 if (Value == NumConstraints) 864 Diags.Report(diag::err_drv_invalid_value) 865 << A->getAsString(Args) << Name; 866 else 867 Opts.AnalysisConstraintsOpt = Value; 868 } 869 870 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 871 llvm::StringRef Name = A->getValue(Args); 872 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 873 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 874 .Case(CMDFLAG, PD_##NAME) 875 #include "clang/Frontend/Analyses.def" 876 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 877 // FIXME: Error handling. 878 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 879 Diags.Report(diag::err_drv_invalid_value) 880 << A->getAsString(Args) << Name; 881 else 882 Opts.AnalysisDiagOpt = Value; 883 } 884 885 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 886 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 887 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 888 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 889 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 890 Opts.AnalyzeNestedBlocks = 891 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 892 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 893 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 894 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 895 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 896 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 897 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 898 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 899 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 900 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 901 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 902 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 903 904 Opts.CheckersControlList.clear(); 905 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 906 OPT_analyzer_disable_checker), 907 ie = Args.filtered_end(); it != ie; ++it) { 908 const Arg *A = *it; 909 A->claim(); 910 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 911 // We can have a list of comma separated checker names, e.g: 912 // '-analyzer-checker=cocoa,unix' 913 llvm::StringRef checkerList = A->getValue(Args); 914 llvm::SmallVector<llvm::StringRef, 4> checkers; 915 checkerList.split(checkers, ","); 916 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 917 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 918 } 919 } 920 921 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 922 Diagnostic &Diags) { 923 using namespace cc1options; 924 925 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 926 if (Opts.OptimizationLevel > 3) { 927 Diags.Report(diag::err_drv_invalid_value) 928 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 929 Opts.OptimizationLevel = 3; 930 } 931 932 // We must always run at least the always inlining pass. 933 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 934 : CodeGenOptions::OnlyAlwaysInlining; 935 936 Opts.DebugInfo = Args.hasArg(OPT_g); 937 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 938 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 939 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 940 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 941 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 942 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 943 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 944 Opts.NoCommon = Args.hasArg(OPT_fno_common); 945 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 946 Opts.OptimizeSize = Args.hasArg(OPT_Os); 947 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 948 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 949 Args.hasArg(OPT_ffreestanding)); 950 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 951 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 952 953 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 954 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 955 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 956 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 957 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 958 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 959 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 960 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 961 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 962 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 963 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 964 Args.hasArg(OPT_cl_fast_relaxed_math); 965 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 966 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 967 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 968 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 969 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 970 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 971 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 972 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 973 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 974 Args.hasArg(OPT_cl_fast_relaxed_math); 975 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 976 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 977 978 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 979 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 980 981 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 982 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 983 984 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 985 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 986 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 987 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 988 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 989 990 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 991 llvm::StringRef Name = A->getValue(Args); 992 unsigned Method = llvm::StringSwitch<unsigned>(Name) 993 .Case("legacy", CodeGenOptions::Legacy) 994 .Case("non-legacy", CodeGenOptions::NonLegacy) 995 .Case("mixed", CodeGenOptions::Mixed) 996 .Default(~0U); 997 if (Method == ~0U) 998 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 999 else 1000 Opts.ObjCDispatchMethod = Method; 1001 } 1002 } 1003 1004 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1005 ArgList &Args) { 1006 using namespace cc1options; 1007 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1008 Opts.Targets = Args.getAllArgValues(OPT_MT); 1009 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1010 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1011 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1012 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1013 } 1014 1015 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1016 Diagnostic &Diags) { 1017 using namespace cc1options; 1018 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1019 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1020 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1021 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1022 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1023 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1024 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1025 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1026 OPT_fno_show_column, 1027 /*Default=*/true); 1028 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1029 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1030 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1031 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1032 1033 // Default behavior is to not to show note include stacks. 1034 Opts.ShowNoteIncludeStack = false; 1035 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1036 OPT_fno_diagnostics_show_note_include_stack)) 1037 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1038 Opts.ShowNoteIncludeStack = true; 1039 1040 llvm::StringRef ShowOverloads = 1041 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1042 if (ShowOverloads == "best") 1043 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1044 else if (ShowOverloads == "all") 1045 Opts.ShowOverloads = Diagnostic::Ovl_All; 1046 else 1047 Diags.Report(diag::err_drv_invalid_value) 1048 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1049 << ShowOverloads; 1050 1051 llvm::StringRef ShowCategory = 1052 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1053 if (ShowCategory == "none") 1054 Opts.ShowCategories = 0; 1055 else if (ShowCategory == "id") 1056 Opts.ShowCategories = 1; 1057 else if (ShowCategory == "name") 1058 Opts.ShowCategories = 2; 1059 else 1060 Diags.Report(diag::err_drv_invalid_value) 1061 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1062 << ShowCategory; 1063 1064 llvm::StringRef Format = 1065 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1066 if (Format == "clang") 1067 Opts.Format = DiagnosticOptions::Clang; 1068 else if (Format == "msvc") 1069 Opts.Format = DiagnosticOptions::Msvc; 1070 else if (Format == "vi") 1071 Opts.Format = DiagnosticOptions::Vi; 1072 else 1073 Diags.Report(diag::err_drv_invalid_value) 1074 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1075 << Format; 1076 1077 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1078 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1079 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1080 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1081 Opts.MacroBacktraceLimit 1082 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1083 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1084 Opts.TemplateBacktraceLimit 1085 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1086 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1087 Diags); 1088 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1089 DiagnosticOptions::DefaultTabStop, Diags); 1090 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1091 Diags.Report(diag::warn_ignoring_ftabstop_value) 1092 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1093 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1094 } 1095 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1096 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1097 Opts.Warnings = Args.getAllArgValues(OPT_W); 1098 } 1099 1100 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1101 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1102 } 1103 1104 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1105 Diagnostic &Diags) { 1106 using namespace cc1options; 1107 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1108 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1109 switch (A->getOption().getID()) { 1110 default: 1111 assert(0 && "Invalid option in group!"); 1112 case OPT_ast_dump: 1113 Opts.ProgramAction = frontend::ASTDump; break; 1114 case OPT_ast_dump_xml: 1115 Opts.ProgramAction = frontend::ASTDumpXML; break; 1116 case OPT_ast_print: 1117 Opts.ProgramAction = frontend::ASTPrint; break; 1118 case OPT_ast_view: 1119 Opts.ProgramAction = frontend::ASTView; break; 1120 case OPT_boostcon: 1121 Opts.ProgramAction = frontend::BoostCon; break; 1122 case OPT_dump_raw_tokens: 1123 Opts.ProgramAction = frontend::DumpRawTokens; break; 1124 case OPT_dump_tokens: 1125 Opts.ProgramAction = frontend::DumpTokens; break; 1126 case OPT_S: 1127 Opts.ProgramAction = frontend::EmitAssembly; break; 1128 case OPT_emit_llvm_bc: 1129 Opts.ProgramAction = frontend::EmitBC; break; 1130 case OPT_emit_html: 1131 Opts.ProgramAction = frontend::EmitHTML; break; 1132 case OPT_emit_llvm: 1133 Opts.ProgramAction = frontend::EmitLLVM; break; 1134 case OPT_emit_llvm_only: 1135 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1136 case OPT_emit_codegen_only: 1137 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1138 case OPT_emit_obj: 1139 Opts.ProgramAction = frontend::EmitObj; break; 1140 case OPT_fixit_EQ: 1141 Opts.FixItSuffix = A->getValue(Args); 1142 // fall-through! 1143 case OPT_fixit: 1144 Opts.ProgramAction = frontend::FixIt; break; 1145 case OPT_emit_pch: 1146 Opts.ProgramAction = frontend::GeneratePCH; break; 1147 case OPT_emit_pth: 1148 Opts.ProgramAction = frontend::GeneratePTH; break; 1149 case OPT_init_only: 1150 Opts.ProgramAction = frontend::InitOnly; break; 1151 case OPT_fsyntax_only: 1152 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1153 case OPT_print_decl_contexts: 1154 Opts.ProgramAction = frontend::PrintDeclContext; break; 1155 case OPT_print_preamble: 1156 Opts.ProgramAction = frontend::PrintPreamble; break; 1157 case OPT_E: 1158 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1159 case OPT_rewrite_macros: 1160 Opts.ProgramAction = frontend::RewriteMacros; break; 1161 case OPT_rewrite_objc: 1162 Opts.ProgramAction = frontend::RewriteObjC; break; 1163 case OPT_rewrite_test: 1164 Opts.ProgramAction = frontend::RewriteTest; break; 1165 case OPT_analyze: 1166 Opts.ProgramAction = frontend::RunAnalysis; break; 1167 case OPT_Eonly: 1168 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1169 case OPT_create_module: 1170 Opts.ProgramAction = frontend::CreateModule; break; 1171 } 1172 } 1173 1174 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1175 Opts.Plugins.push_back(A->getValue(Args,0)); 1176 Opts.ProgramAction = frontend::PluginAction; 1177 Opts.ActionName = A->getValue(Args); 1178 1179 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1180 end = Args.filtered_end(); it != end; ++it) { 1181 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1182 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1183 } 1184 } 1185 1186 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1187 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1188 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1189 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1190 end = Args.filtered_end(); it != end; ++it) { 1191 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1192 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1193 } 1194 } 1195 1196 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1197 Opts.CodeCompletionAt = 1198 ParsedSourceLocation::FromString(A->getValue(Args)); 1199 if (Opts.CodeCompletionAt.FileName.empty()) 1200 Diags.Report(diag::err_drv_invalid_value) 1201 << A->getAsString(Args) << A->getValue(Args); 1202 } 1203 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1204 1205 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1206 Opts.Plugins = Args.getAllArgValues(OPT_load); 1207 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1208 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1209 Opts.ShowHelp = Args.hasArg(OPT_help); 1210 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1211 Opts.ShowCodePatternsInCodeCompletion 1212 = Args.hasArg(OPT_code_completion_patterns); 1213 Opts.ShowGlobalSymbolsInCodeCompletion 1214 = !Args.hasArg(OPT_no_code_completion_globals); 1215 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1216 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1217 Opts.ShowVersion = Args.hasArg(OPT_version); 1218 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1219 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1220 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1221 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1222 1223 InputKind DashX = IK_None; 1224 if (const Arg *A = Args.getLastArg(OPT_x)) { 1225 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1226 .Case("c", IK_C) 1227 .Case("cl", IK_OpenCL) 1228 .Case("cuda", IK_CUDA) 1229 .Case("c++", IK_CXX) 1230 .Case("objective-c", IK_ObjC) 1231 .Case("objective-c++", IK_ObjCXX) 1232 .Case("cpp-output", IK_PreprocessedC) 1233 .Case("assembler-with-cpp", IK_Asm) 1234 .Case("c++-cpp-output", IK_PreprocessedCXX) 1235 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1236 .Case("objc-cpp-output", IK_PreprocessedObjC) 1237 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1238 .Case("c-header", IK_C) 1239 .Case("objective-c-header", IK_ObjC) 1240 .Case("c++-header", IK_CXX) 1241 .Case("objective-c++-header", IK_ObjCXX) 1242 .Case("ast", IK_AST) 1243 .Case("ir", IK_LLVM_IR) 1244 .Default(IK_None); 1245 if (DashX == IK_None) 1246 Diags.Report(diag::err_drv_invalid_value) 1247 << A->getAsString(Args) << A->getValue(Args); 1248 } 1249 1250 // '-' is the default input if none is given. 1251 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1252 Opts.Inputs.clear(); 1253 if (Inputs.empty()) 1254 Inputs.push_back("-"); 1255 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1256 InputKind IK = DashX; 1257 if (IK == IK_None) { 1258 IK = FrontendOptions::getInputKindForExtension( 1259 llvm::StringRef(Inputs[i]).rsplit('.').second); 1260 // FIXME: Remove this hack. 1261 if (i == 0) 1262 DashX = IK; 1263 } 1264 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1265 } 1266 1267 return DashX; 1268 } 1269 1270 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1271 void *MainAddr) { 1272 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1273 1274 if (!P.isEmpty()) { 1275 P.eraseComponent(); // Remove /clang from foo/bin/clang 1276 P.eraseComponent(); // Remove /bin from foo/bin 1277 1278 // Get foo/lib/clang/<version>/include 1279 P.appendComponent("lib"); 1280 P.appendComponent("clang"); 1281 P.appendComponent(CLANG_VERSION_STRING); 1282 } 1283 1284 return P.str(); 1285 } 1286 1287 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1288 using namespace cc1options; 1289 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1290 Opts.Verbose = Args.hasArg(OPT_v); 1291 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1292 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1293 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1294 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1295 1296 // Add -I... and -F... options in order. 1297 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1298 ie = Args.filtered_end(); it != ie; ++it) 1299 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1300 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1301 1302 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1303 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1304 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1305 OPT_iwithprefixbefore), 1306 ie = Args.filtered_end(); it != ie; ++it) { 1307 const Arg *A = *it; 1308 if (A->getOption().matches(OPT_iprefix)) 1309 Prefix = A->getValue(Args); 1310 else if (A->getOption().matches(OPT_iwithprefix)) 1311 Opts.AddPath(Prefix.str() + A->getValue(Args), 1312 frontend::System, false, false, true); 1313 else 1314 Opts.AddPath(Prefix.str() + A->getValue(Args), 1315 frontend::Angled, false, false, true); 1316 } 1317 1318 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1319 ie = Args.filtered_end(); it != ie; ++it) 1320 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1321 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1322 ie = Args.filtered_end(); it != ie; ++it) 1323 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1324 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1325 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1326 Opts.AddPath((*it)->getValue(Args), 1327 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1328 frontend::CXXSystem : frontend::System), 1329 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1330 1331 // FIXME: Need options for the various environment variables! 1332 } 1333 1334 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1335 LangStandard::Kind LangStd) { 1336 // Set some properties which depend solely on the input kind; it would be nice 1337 // to move these to the language standard, and have the driver resolve the 1338 // input kind + language standard. 1339 if (IK == IK_Asm) { 1340 Opts.AsmPreprocessor = 1; 1341 } else if (IK == IK_ObjC || 1342 IK == IK_ObjCXX || 1343 IK == IK_PreprocessedObjC || 1344 IK == IK_PreprocessedObjCXX) { 1345 Opts.ObjC1 = Opts.ObjC2 = 1; 1346 } 1347 1348 if (LangStd == LangStandard::lang_unspecified) { 1349 // Based on the base language, pick one. 1350 switch (IK) { 1351 case IK_None: 1352 case IK_AST: 1353 case IK_LLVM_IR: 1354 assert(0 && "Invalid input kind!"); 1355 case IK_OpenCL: 1356 LangStd = LangStandard::lang_opencl; 1357 break; 1358 case IK_CUDA: 1359 LangStd = LangStandard::lang_cuda; 1360 break; 1361 case IK_Asm: 1362 case IK_C: 1363 case IK_PreprocessedC: 1364 case IK_ObjC: 1365 case IK_PreprocessedObjC: 1366 LangStd = LangStandard::lang_gnu99; 1367 break; 1368 case IK_CXX: 1369 case IK_PreprocessedCXX: 1370 case IK_ObjCXX: 1371 case IK_PreprocessedObjCXX: 1372 LangStd = LangStandard::lang_gnucxx98; 1373 break; 1374 } 1375 } 1376 1377 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1378 Opts.BCPLComment = Std.hasBCPLComments(); 1379 Opts.C99 = Std.isC99(); 1380 Opts.C1X = Std.isC1X(); 1381 Opts.CPlusPlus = Std.isCPlusPlus(); 1382 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1383 Opts.Digraphs = Std.hasDigraphs(); 1384 Opts.GNUMode = Std.isGNUMode(); 1385 Opts.GNUInline = !Std.isC99(); 1386 Opts.HexFloats = Std.hasHexFloats(); 1387 Opts.ImplicitInt = Std.hasImplicitInt(); 1388 1389 // OpenCL has some additional defaults. 1390 if (LangStd == LangStandard::lang_opencl) { 1391 Opts.OpenCL = 1; 1392 Opts.AltiVec = 1; 1393 Opts.CXXOperatorNames = 1; 1394 Opts.LaxVectorConversions = 1; 1395 Opts.DefaultFPContract = 1; 1396 } 1397 1398 if (LangStd == LangStandard::lang_cuda) 1399 Opts.CUDA = 1; 1400 1401 // OpenCL and C++ both have bool, true, false keywords. 1402 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1403 1404 Opts.GNUKeywords = Opts.GNUMode; 1405 Opts.CXXOperatorNames = Opts.CPlusPlus; 1406 1407 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1408 // is specified, or -std is set to a conforming mode. 1409 Opts.Trigraphs = !Opts.GNUMode; 1410 1411 Opts.DollarIdents = !Opts.AsmPreprocessor; 1412 } 1413 1414 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1415 Diagnostic &Diags) { 1416 // FIXME: Cleanup per-file based stuff. 1417 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1418 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1419 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1420 #define LANGSTANDARD(id, name, desc, features) \ 1421 .Case(name, LangStandard::lang_##id) 1422 #include "clang/Frontend/LangStandards.def" 1423 .Default(LangStandard::lang_unspecified); 1424 if (LangStd == LangStandard::lang_unspecified) 1425 Diags.Report(diag::err_drv_invalid_value) 1426 << A->getAsString(Args) << A->getValue(Args); 1427 else { 1428 // Valid standard, check to make sure language and standard are compatable. 1429 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1430 switch (IK) { 1431 case IK_C: 1432 case IK_ObjC: 1433 case IK_PreprocessedC: 1434 case IK_PreprocessedObjC: 1435 if (!(Std.isC89() || Std.isC99())) 1436 Diags.Report(diag::err_drv_argument_not_allowed_with) 1437 << A->getAsString(Args) << "C/ObjC"; 1438 break; 1439 case IK_CXX: 1440 case IK_ObjCXX: 1441 case IK_PreprocessedCXX: 1442 case IK_PreprocessedObjCXX: 1443 if (!Std.isCPlusPlus()) 1444 Diags.Report(diag::err_drv_argument_not_allowed_with) 1445 << A->getAsString(Args) << "C++/ObjC++"; 1446 break; 1447 case IK_OpenCL: 1448 if (!Std.isC99()) 1449 Diags.Report(diag::err_drv_argument_not_allowed_with) 1450 << A->getAsString(Args) << "OpenCL"; 1451 break; 1452 case IK_CUDA: 1453 if (!Std.isCPlusPlus()) 1454 Diags.Report(diag::err_drv_argument_not_allowed_with) 1455 << A->getAsString(Args) << "CUDA"; 1456 break; 1457 default: 1458 break; 1459 } 1460 } 1461 } 1462 1463 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1464 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1465 Diags.Report(diag::err_drv_invalid_value) 1466 << A->getAsString(Args) << A->getValue(Args); 1467 } 1468 } 1469 1470 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1471 1472 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1473 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1474 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1475 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1476 // name, as it doesn't seem a useful distinction. 1477 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1478 Opts.GNUKeywords); 1479 1480 if (Args.hasArg(OPT_fno_operator_names)) 1481 Opts.CXXOperatorNames = 0; 1482 1483 if (Args.hasArg(OPT_fgnu89_inline)) 1484 Opts.GNUInline = 1; 1485 1486 if (Args.hasArg(OPT_fobjc_gc_only)) 1487 Opts.setGCMode(LangOptions::GCOnly); 1488 else if (Args.hasArg(OPT_fobjc_gc)) 1489 Opts.setGCMode(LangOptions::HybridGC); 1490 1491 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1492 Opts.ObjCInferRelatedResultType = 0; 1493 1494 if (Args.hasArg(OPT_fapple_kext)) { 1495 if (!Opts.CPlusPlus) 1496 Diags.Report(diag::warn_c_kext); 1497 else 1498 Opts.AppleKext = 1; 1499 } 1500 1501 if (Args.hasArg(OPT_print_ivar_layout)) 1502 Opts.ObjCGCBitmapPrint = 1; 1503 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1504 Opts.NoConstantCFStrings = 1; 1505 1506 if (Args.hasArg(OPT_faltivec)) 1507 Opts.AltiVec = 1; 1508 1509 if (Args.hasArg(OPT_pthread)) 1510 Opts.POSIXThreads = 1; 1511 1512 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1513 Opts.DelayedTemplateParsing = 1; 1514 1515 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1516 if (Vis == "default") 1517 Opts.setVisibilityMode(DefaultVisibility); 1518 else if (Vis == "hidden") 1519 Opts.setVisibilityMode(HiddenVisibility); 1520 else if (Vis == "protected") 1521 Opts.setVisibilityMode(ProtectedVisibility); 1522 else 1523 Diags.Report(diag::err_drv_invalid_value) 1524 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1525 1526 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1527 Opts.InlineVisibilityHidden = 1; 1528 1529 if (Args.hasArg(OPT_ftrapv)) { 1530 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1531 // Set the handler, if one is specified. 1532 Opts.OverflowHandler = 1533 Args.getLastArgValue(OPT_ftrapv_handler); 1534 } 1535 else if (Args.hasArg(OPT_fwrapv)) 1536 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1537 1538 if (Args.hasArg(OPT_trigraphs)) 1539 Opts.Trigraphs = 1; 1540 1541 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1542 OPT_fno_dollars_in_identifiers, 1543 Opts.DollarIdents); 1544 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1545 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1546 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1547 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1548 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1549 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1550 Opts.ConstStrings); 1551 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1552 Opts.LaxVectorConversions = 0; 1553 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1554 Opts.ThreadsafeStatics = 0; 1555 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1556 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1557 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1558 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1559 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1560 1561 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1562 Opts.Blocks = Args.hasArg(OPT_fblocks); 1563 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1564 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1565 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1566 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1567 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1568 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1569 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1570 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1571 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1572 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1573 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1574 Diags); 1575 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1576 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1577 0, Diags); 1578 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1579 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1580 Opts.ObjCConstantStringClass = 1581 Args.getLastArgValue(OPT_fconstant_string_class); 1582 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1583 if (Opts.ObjCNonFragileABI) 1584 Opts.ObjCNonFragileABI2 = true; 1585 Opts.ObjCDefaultSynthProperties = 1586 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1587 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1588 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1589 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1590 Opts.Static = Args.hasArg(OPT_static_define); 1591 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1592 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1593 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1594 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1595 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1596 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1597 Opts.OptimizeSize = 0; 1598 Opts.MRTD = Args.hasArg(OPT_mrtd); 1599 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1600 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1601 1602 // Record whether the __DEPRECATED define was requested. 1603 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1604 OPT_fno_deprecated_macro, 1605 Opts.Deprecated); 1606 1607 // FIXME: Eliminate this dependency. 1608 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1609 Opts.Optimize = Opt != 0; 1610 1611 // This is the __NO_INLINE__ define, which just depends on things like the 1612 // optimization level and -fno-inline, not actually whether the backend has 1613 // inlining enabled. 1614 // 1615 // FIXME: This is affected by other options (-fno-inline). 1616 Opts.NoInline = !Opt; 1617 1618 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1619 switch (SSP) { 1620 default: 1621 Diags.Report(diag::err_drv_invalid_value) 1622 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1623 break; 1624 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1625 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1626 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1627 } 1628 } 1629 1630 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1631 FileManager &FileMgr, 1632 Diagnostic &Diags) { 1633 using namespace cc1options; 1634 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1635 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1636 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1637 Opts.TokenCache = A->getValue(Args); 1638 else 1639 Opts.TokenCache = Opts.ImplicitPTHInclude; 1640 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1641 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1642 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1643 1644 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1645 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1646 ie = Args.filtered_end(); it != ie; ++it) { 1647 const Arg *A = *it; 1648 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1649 } 1650 1651 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1652 llvm::StringRef Value(A->getValue(Args)); 1653 size_t Comma = Value.find(','); 1654 unsigned Bytes = 0; 1655 unsigned EndOfLine = 0; 1656 1657 if (Comma == llvm::StringRef::npos || 1658 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1659 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1660 Diags.Report(diag::err_drv_preamble_format); 1661 else { 1662 Opts.PrecompiledPreambleBytes.first = Bytes; 1663 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1664 } 1665 } 1666 1667 // Add macros from the command line. 1668 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1669 ie = Args.filtered_end(); it != ie; ++it) { 1670 if ((*it)->getOption().matches(OPT_D)) 1671 Opts.addMacroDef((*it)->getValue(Args)); 1672 else 1673 Opts.addMacroUndef((*it)->getValue(Args)); 1674 } 1675 1676 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1677 1678 // Add the ordered list of -includes. 1679 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1680 OPT_include_pth), 1681 ie = Args.filtered_end(); it != ie; ++it) { 1682 const Arg *A = *it; 1683 // PCH is handled specially, we need to extra the original include path. 1684 if (A->getOption().matches(OPT_include_pch)) { 1685 std::string OriginalFile = 1686 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1687 if (OriginalFile.empty()) 1688 continue; 1689 1690 Opts.Includes.push_back(OriginalFile); 1691 } else 1692 Opts.Includes.push_back(A->getValue(Args)); 1693 } 1694 1695 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1696 ie = Args.filtered_end(); it != ie; ++it) { 1697 const Arg *A = *it; 1698 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1699 } 1700 1701 // Include 'altivec.h' if -faltivec option present 1702 if (Args.hasArg(OPT_faltivec)) 1703 Opts.Includes.push_back("altivec.h"); 1704 1705 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1706 ie = Args.filtered_end(); it != ie; ++it) { 1707 const Arg *A = *it; 1708 std::pair<llvm::StringRef,llvm::StringRef> Split = 1709 llvm::StringRef(A->getValue(Args)).split(';'); 1710 1711 if (Split.second.empty()) { 1712 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1713 continue; 1714 } 1715 1716 Opts.addRemappedFile(Split.first, Split.second); 1717 } 1718 } 1719 1720 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1721 ArgList &Args) { 1722 using namespace cc1options; 1723 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1724 Opts.ShowComments = Args.hasArg(OPT_C); 1725 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1726 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1727 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1728 } 1729 1730 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1731 using namespace cc1options; 1732 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1733 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1734 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1735 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1736 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1737 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1738 1739 // Use the host triple if unspecified. 1740 if (Opts.Triple.empty()) 1741 Opts.Triple = llvm::sys::getHostTriple(); 1742 } 1743 1744 // 1745 1746 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1747 const char *const *ArgBegin, 1748 const char *const *ArgEnd, 1749 Diagnostic &Diags) { 1750 // Parse the arguments. 1751 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1752 unsigned MissingArgIndex, MissingArgCount; 1753 llvm::OwningPtr<InputArgList> Args( 1754 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1755 1756 // Check for missing argument error. 1757 if (MissingArgCount) 1758 Diags.Report(diag::err_drv_missing_argument) 1759 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1760 1761 // Issue errors on unknown arguments. 1762 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1763 ie = Args->filtered_end(); it != ie; ++it) 1764 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1765 1766 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1767 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1768 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1769 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1770 // FIXME: We shouldn't have to pass the DashX option around here 1771 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1772 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1773 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1774 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1775 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1776 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1777 Res.getLangOpts().ObjCExceptions = 1; 1778 } 1779 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1780 // PCH file and find the original header name. Remove the need to do that in 1781 // ParsePreprocessorArgs and remove the FileManager 1782 // parameters from the function and the "FileManager.h" #include. 1783 FileManager FileMgr(Res.getFileSystemOpts()); 1784 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1785 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1786 ParseTargetArgs(Res.getTargetOpts(), *Args); 1787 } 1788