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.AppleKext) 674 Res.push_back("-fapple-kext"); 675 676 if (Opts.getVisibilityMode() != DefaultVisibility) { 677 Res.push_back("-fvisibility"); 678 if (Opts.getVisibilityMode() == HiddenVisibility) { 679 Res.push_back("hidden"); 680 } else { 681 assert(Opts.getVisibilityMode() == ProtectedVisibility && 682 "Invalid visibility!"); 683 Res.push_back("protected"); 684 } 685 } 686 if (Opts.InlineVisibilityHidden) 687 Res.push_back("-fvisibility-inlines-hidden"); 688 689 if (Opts.getStackProtectorMode() != 0) { 690 Res.push_back("-stack-protector"); 691 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 692 } 693 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 694 Res.push_back("-ftemplate-depth"); 695 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 696 } 697 if (!Opts.ObjCConstantStringClass.empty()) { 698 Res.push_back("-fconstant-string-class"); 699 Res.push_back(Opts.ObjCConstantStringClass); 700 } 701 if (Opts.FakeAddressSpaceMap) 702 Res.push_back("-ffake-address-space-map"); 703 if (Opts.ParseUnknownAnytype) 704 Res.push_back("-funknown-anytype"); 705 if (Opts.DelayedTemplateParsing) 706 Res.push_back("-fdelayed-template-parsing"); 707 if (Opts.Deprecated) 708 Res.push_back("-fdeprecated-macro"); 709 } 710 711 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 712 std::vector<std::string> &Res) { 713 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 714 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 715 Opts.Macros[i].first); 716 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 717 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 718 Res.push_back("-include"); 719 Res.push_back(Opts.Includes[i]); 720 } 721 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 722 Res.push_back("-imacros"); 723 Res.push_back(Opts.MacroIncludes[i]); 724 } 725 if (!Opts.UsePredefines) 726 Res.push_back("-undef"); 727 if (Opts.DetailedRecord) 728 Res.push_back("-detailed-preprocessing-record"); 729 if (!Opts.ImplicitPCHInclude.empty()) { 730 Res.push_back("-include-pch"); 731 Res.push_back(Opts.ImplicitPCHInclude); 732 } 733 if (!Opts.ImplicitPTHInclude.empty()) { 734 Res.push_back("-include-pth"); 735 Res.push_back(Opts.ImplicitPTHInclude); 736 } 737 if (!Opts.TokenCache.empty()) { 738 if (Opts.ImplicitPTHInclude.empty()) { 739 Res.push_back("-token-cache"); 740 Res.push_back(Opts.TokenCache); 741 } else 742 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 743 "Unsupported option combination!"); 744 } 745 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 746 Res.push_back("-chain-include"); 747 Res.push_back(Opts.ChainedIncludes[i]); 748 } 749 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 750 Res.push_back("-remap-file"); 751 Res.push_back(Opts.RemappedFiles[i].first + ";" + 752 Opts.RemappedFiles[i].second); 753 } 754 } 755 756 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 757 std::vector<std::string> &Res) { 758 if (!Opts.ShowCPP && !Opts.ShowMacros) 759 llvm::report_fatal_error("Invalid option combination!"); 760 761 if (Opts.ShowCPP && Opts.ShowMacros) 762 Res.push_back("-dD"); 763 else if (!Opts.ShowCPP && Opts.ShowMacros) 764 Res.push_back("-dM"); 765 766 if (!Opts.ShowLineMarkers) 767 Res.push_back("-P"); 768 if (Opts.ShowComments) 769 Res.push_back("-C"); 770 if (Opts.ShowMacroComments) 771 Res.push_back("-CC"); 772 } 773 774 static void TargetOptsToArgs(const TargetOptions &Opts, 775 std::vector<std::string> &Res) { 776 Res.push_back("-triple"); 777 Res.push_back(Opts.Triple); 778 if (!Opts.CPU.empty()) { 779 Res.push_back("-target-cpu"); 780 Res.push_back(Opts.CPU); 781 } 782 if (!Opts.ABI.empty()) { 783 Res.push_back("-target-abi"); 784 Res.push_back(Opts.ABI); 785 } 786 if (!Opts.LinkerVersion.empty()) { 787 Res.push_back("-target-linker-version"); 788 Res.push_back(Opts.LinkerVersion); 789 } 790 if (!Opts.CXXABI.empty()) { 791 Res.push_back("-cxx-abi"); 792 Res.push_back(Opts.CXXABI); 793 } 794 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 795 Res.push_back("-target-feature"); 796 Res.push_back(Opts.Features[i]); 797 } 798 } 799 800 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 801 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 802 CodeGenOptsToArgs(getCodeGenOpts(), Res); 803 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 804 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 805 FileSystemOptsToArgs(getFileSystemOpts(), Res); 806 FrontendOptsToArgs(getFrontendOpts(), Res); 807 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 808 LangOptsToArgs(getLangOpts(), Res); 809 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 810 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 811 TargetOptsToArgs(getTargetOpts(), Res); 812 } 813 814 //===----------------------------------------------------------------------===// 815 // Deserialization (to args) 816 //===----------------------------------------------------------------------===// 817 818 using namespace clang::driver; 819 using namespace clang::driver::cc1options; 820 821 // 822 823 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 824 Diagnostic &Diags) { 825 unsigned DefaultOpt = 0; 826 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 827 DefaultOpt = 2; 828 // -Os/-Oz implies -O2 829 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 830 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 831 } 832 833 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 834 Diagnostic &Diags) { 835 using namespace cc1options; 836 837 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 838 llvm::StringRef Name = A->getValue(Args); 839 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 840 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 841 .Case(CMDFLAG, NAME##Model) 842 #include "clang/Frontend/Analyses.def" 843 .Default(NumStores); 844 // FIXME: Error handling. 845 if (Value == NumStores) 846 Diags.Report(diag::err_drv_invalid_value) 847 << A->getAsString(Args) << Name; 848 else 849 Opts.AnalysisStoreOpt = Value; 850 } 851 852 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 853 llvm::StringRef Name = A->getValue(Args); 854 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 855 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 856 .Case(CMDFLAG, NAME##Model) 857 #include "clang/Frontend/Analyses.def" 858 .Default(NumConstraints); 859 // FIXME: Error handling. 860 if (Value == NumConstraints) 861 Diags.Report(diag::err_drv_invalid_value) 862 << A->getAsString(Args) << Name; 863 else 864 Opts.AnalysisConstraintsOpt = Value; 865 } 866 867 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 868 llvm::StringRef Name = A->getValue(Args); 869 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 870 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 871 .Case(CMDFLAG, PD_##NAME) 872 #include "clang/Frontend/Analyses.def" 873 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 874 // FIXME: Error handling. 875 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 876 Diags.Report(diag::err_drv_invalid_value) 877 << A->getAsString(Args) << Name; 878 else 879 Opts.AnalysisDiagOpt = Value; 880 } 881 882 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 883 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 884 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 885 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 886 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 887 Opts.AnalyzeNestedBlocks = 888 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 889 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 890 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 891 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 892 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 893 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 894 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 895 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 896 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 897 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 898 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 899 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 900 901 Opts.CheckersControlList.clear(); 902 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 903 OPT_analyzer_disable_checker), 904 ie = Args.filtered_end(); it != ie; ++it) { 905 const Arg *A = *it; 906 A->claim(); 907 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 908 // We can have a list of comma separated checker names, e.g: 909 // '-analyzer-checker=cocoa,unix' 910 llvm::StringRef checkerList = A->getValue(Args); 911 llvm::SmallVector<llvm::StringRef, 4> checkers; 912 checkerList.split(checkers, ","); 913 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 914 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 915 } 916 } 917 918 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 919 Diagnostic &Diags) { 920 using namespace cc1options; 921 922 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 923 if (Opts.OptimizationLevel > 3) { 924 Diags.Report(diag::err_drv_invalid_value) 925 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 926 Opts.OptimizationLevel = 3; 927 } 928 929 // We must always run at least the always inlining pass. 930 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 931 : CodeGenOptions::OnlyAlwaysInlining; 932 933 Opts.DebugInfo = Args.hasArg(OPT_g); 934 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 935 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 936 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 937 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 938 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 939 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 940 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 941 Opts.NoCommon = Args.hasArg(OPT_fno_common); 942 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 943 Opts.OptimizeSize = Args.hasArg(OPT_Os); 944 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 945 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 946 Args.hasArg(OPT_ffreestanding)); 947 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 948 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 949 950 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 951 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 952 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 953 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 954 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 955 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 956 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 957 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 958 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 959 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 960 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 961 Args.hasArg(OPT_cl_fast_relaxed_math); 962 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 963 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 964 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 965 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 966 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 967 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 968 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 969 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 970 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 971 Args.hasArg(OPT_cl_fast_relaxed_math); 972 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 973 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 974 975 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 976 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 977 978 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 979 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 980 981 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 982 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 983 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 984 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 985 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 986 987 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 988 llvm::StringRef Name = A->getValue(Args); 989 unsigned Method = llvm::StringSwitch<unsigned>(Name) 990 .Case("legacy", CodeGenOptions::Legacy) 991 .Case("non-legacy", CodeGenOptions::NonLegacy) 992 .Case("mixed", CodeGenOptions::Mixed) 993 .Default(~0U); 994 if (Method == ~0U) 995 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 996 else 997 Opts.ObjCDispatchMethod = Method; 998 } 999 } 1000 1001 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1002 ArgList &Args) { 1003 using namespace cc1options; 1004 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1005 Opts.Targets = Args.getAllArgValues(OPT_MT); 1006 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1007 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1008 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1009 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1010 } 1011 1012 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1013 Diagnostic &Diags) { 1014 using namespace cc1options; 1015 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1016 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1017 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1018 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1019 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1020 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1021 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1022 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1023 OPT_fno_show_column, 1024 /*Default=*/true); 1025 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1026 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1027 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1028 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1029 1030 // Default behavior is to not to show note include stacks. 1031 Opts.ShowNoteIncludeStack = false; 1032 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1033 OPT_fno_diagnostics_show_note_include_stack)) 1034 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1035 Opts.ShowNoteIncludeStack = true; 1036 1037 llvm::StringRef ShowOverloads = 1038 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1039 if (ShowOverloads == "best") 1040 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1041 else if (ShowOverloads == "all") 1042 Opts.ShowOverloads = Diagnostic::Ovl_All; 1043 else 1044 Diags.Report(diag::err_drv_invalid_value) 1045 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1046 << ShowOverloads; 1047 1048 llvm::StringRef ShowCategory = 1049 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1050 if (ShowCategory == "none") 1051 Opts.ShowCategories = 0; 1052 else if (ShowCategory == "id") 1053 Opts.ShowCategories = 1; 1054 else if (ShowCategory == "name") 1055 Opts.ShowCategories = 2; 1056 else 1057 Diags.Report(diag::err_drv_invalid_value) 1058 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1059 << ShowCategory; 1060 1061 llvm::StringRef Format = 1062 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1063 if (Format == "clang") 1064 Opts.Format = DiagnosticOptions::Clang; 1065 else if (Format == "msvc") 1066 Opts.Format = DiagnosticOptions::Msvc; 1067 else if (Format == "vi") 1068 Opts.Format = DiagnosticOptions::Vi; 1069 else 1070 Diags.Report(diag::err_drv_invalid_value) 1071 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1072 << Format; 1073 1074 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1075 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1076 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1077 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1078 Opts.MacroBacktraceLimit 1079 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1080 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1081 Opts.TemplateBacktraceLimit 1082 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1083 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1084 Diags); 1085 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1086 DiagnosticOptions::DefaultTabStop, Diags); 1087 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1088 Diags.Report(diag::warn_ignoring_ftabstop_value) 1089 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1090 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1091 } 1092 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1093 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1094 Opts.Warnings = Args.getAllArgValues(OPT_W); 1095 } 1096 1097 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1098 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1099 } 1100 1101 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1102 Diagnostic &Diags) { 1103 using namespace cc1options; 1104 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1105 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1106 switch (A->getOption().getID()) { 1107 default: 1108 assert(0 && "Invalid option in group!"); 1109 case OPT_ast_dump: 1110 Opts.ProgramAction = frontend::ASTDump; break; 1111 case OPT_ast_dump_xml: 1112 Opts.ProgramAction = frontend::ASTDumpXML; break; 1113 case OPT_ast_print: 1114 Opts.ProgramAction = frontend::ASTPrint; break; 1115 case OPT_ast_view: 1116 Opts.ProgramAction = frontend::ASTView; break; 1117 case OPT_boostcon: 1118 Opts.ProgramAction = frontend::BoostCon; break; 1119 case OPT_dump_raw_tokens: 1120 Opts.ProgramAction = frontend::DumpRawTokens; break; 1121 case OPT_dump_tokens: 1122 Opts.ProgramAction = frontend::DumpTokens; break; 1123 case OPT_S: 1124 Opts.ProgramAction = frontend::EmitAssembly; break; 1125 case OPT_emit_llvm_bc: 1126 Opts.ProgramAction = frontend::EmitBC; break; 1127 case OPT_emit_html: 1128 Opts.ProgramAction = frontend::EmitHTML; break; 1129 case OPT_emit_llvm: 1130 Opts.ProgramAction = frontend::EmitLLVM; break; 1131 case OPT_emit_llvm_only: 1132 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1133 case OPT_emit_codegen_only: 1134 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1135 case OPT_emit_obj: 1136 Opts.ProgramAction = frontend::EmitObj; break; 1137 case OPT_fixit_EQ: 1138 Opts.FixItSuffix = A->getValue(Args); 1139 // fall-through! 1140 case OPT_fixit: 1141 Opts.ProgramAction = frontend::FixIt; break; 1142 case OPT_emit_pch: 1143 Opts.ProgramAction = frontend::GeneratePCH; break; 1144 case OPT_emit_pth: 1145 Opts.ProgramAction = frontend::GeneratePTH; break; 1146 case OPT_init_only: 1147 Opts.ProgramAction = frontend::InitOnly; break; 1148 case OPT_fsyntax_only: 1149 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1150 case OPT_print_decl_contexts: 1151 Opts.ProgramAction = frontend::PrintDeclContext; break; 1152 case OPT_print_preamble: 1153 Opts.ProgramAction = frontend::PrintPreamble; break; 1154 case OPT_E: 1155 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1156 case OPT_rewrite_macros: 1157 Opts.ProgramAction = frontend::RewriteMacros; break; 1158 case OPT_rewrite_objc: 1159 Opts.ProgramAction = frontend::RewriteObjC; break; 1160 case OPT_rewrite_test: 1161 Opts.ProgramAction = frontend::RewriteTest; break; 1162 case OPT_analyze: 1163 Opts.ProgramAction = frontend::RunAnalysis; break; 1164 case OPT_Eonly: 1165 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1166 case OPT_create_module: 1167 Opts.ProgramAction = frontend::CreateModule; break; 1168 } 1169 } 1170 1171 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1172 Opts.Plugins.push_back(A->getValue(Args,0)); 1173 Opts.ProgramAction = frontend::PluginAction; 1174 Opts.ActionName = A->getValue(Args); 1175 1176 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1177 end = Args.filtered_end(); it != end; ++it) { 1178 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1179 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1180 } 1181 } 1182 1183 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1184 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1185 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1186 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1187 end = Args.filtered_end(); it != end; ++it) { 1188 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1189 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1190 } 1191 } 1192 1193 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1194 Opts.CodeCompletionAt = 1195 ParsedSourceLocation::FromString(A->getValue(Args)); 1196 if (Opts.CodeCompletionAt.FileName.empty()) 1197 Diags.Report(diag::err_drv_invalid_value) 1198 << A->getAsString(Args) << A->getValue(Args); 1199 } 1200 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1201 1202 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1203 Opts.Plugins = Args.getAllArgValues(OPT_load); 1204 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1205 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1206 Opts.ShowHelp = Args.hasArg(OPT_help); 1207 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1208 Opts.ShowCodePatternsInCodeCompletion 1209 = Args.hasArg(OPT_code_completion_patterns); 1210 Opts.ShowGlobalSymbolsInCodeCompletion 1211 = !Args.hasArg(OPT_no_code_completion_globals); 1212 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1213 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1214 Opts.ShowVersion = Args.hasArg(OPT_version); 1215 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1216 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1217 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1218 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1219 1220 InputKind DashX = IK_None; 1221 if (const Arg *A = Args.getLastArg(OPT_x)) { 1222 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1223 .Case("c", IK_C) 1224 .Case("cl", IK_OpenCL) 1225 .Case("cuda", IK_CUDA) 1226 .Case("c++", IK_CXX) 1227 .Case("objective-c", IK_ObjC) 1228 .Case("objective-c++", IK_ObjCXX) 1229 .Case("cpp-output", IK_PreprocessedC) 1230 .Case("assembler-with-cpp", IK_Asm) 1231 .Case("c++-cpp-output", IK_PreprocessedCXX) 1232 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1233 .Case("objc-cpp-output", IK_PreprocessedObjC) 1234 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1235 .Case("c-header", IK_C) 1236 .Case("objective-c-header", IK_ObjC) 1237 .Case("c++-header", IK_CXX) 1238 .Case("objective-c++-header", IK_ObjCXX) 1239 .Case("ast", IK_AST) 1240 .Case("ir", IK_LLVM_IR) 1241 .Default(IK_None); 1242 if (DashX == IK_None) 1243 Diags.Report(diag::err_drv_invalid_value) 1244 << A->getAsString(Args) << A->getValue(Args); 1245 } 1246 1247 // '-' is the default input if none is given. 1248 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1249 Opts.Inputs.clear(); 1250 if (Inputs.empty()) 1251 Inputs.push_back("-"); 1252 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1253 InputKind IK = DashX; 1254 if (IK == IK_None) { 1255 IK = FrontendOptions::getInputKindForExtension( 1256 llvm::StringRef(Inputs[i]).rsplit('.').second); 1257 // FIXME: Remove this hack. 1258 if (i == 0) 1259 DashX = IK; 1260 } 1261 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1262 } 1263 1264 return DashX; 1265 } 1266 1267 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1268 void *MainAddr) { 1269 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1270 1271 if (!P.isEmpty()) { 1272 P.eraseComponent(); // Remove /clang from foo/bin/clang 1273 P.eraseComponent(); // Remove /bin from foo/bin 1274 1275 // Get foo/lib/clang/<version>/include 1276 P.appendComponent("lib"); 1277 P.appendComponent("clang"); 1278 P.appendComponent(CLANG_VERSION_STRING); 1279 } 1280 1281 return P.str(); 1282 } 1283 1284 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1285 using namespace cc1options; 1286 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1287 Opts.Verbose = Args.hasArg(OPT_v); 1288 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1289 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1290 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1291 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1292 1293 // Add -I... and -F... options in order. 1294 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1295 ie = Args.filtered_end(); it != ie; ++it) 1296 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1297 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1298 1299 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1300 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1301 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1302 OPT_iwithprefixbefore), 1303 ie = Args.filtered_end(); it != ie; ++it) { 1304 const Arg *A = *it; 1305 if (A->getOption().matches(OPT_iprefix)) 1306 Prefix = A->getValue(Args); 1307 else if (A->getOption().matches(OPT_iwithprefix)) 1308 Opts.AddPath(Prefix.str() + A->getValue(Args), 1309 frontend::System, false, false, true); 1310 else 1311 Opts.AddPath(Prefix.str() + A->getValue(Args), 1312 frontend::Angled, false, false, true); 1313 } 1314 1315 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1316 ie = Args.filtered_end(); it != ie; ++it) 1317 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1318 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1319 ie = Args.filtered_end(); it != ie; ++it) 1320 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1321 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1322 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1323 Opts.AddPath((*it)->getValue(Args), 1324 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1325 frontend::CXXSystem : frontend::System), 1326 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1327 1328 // FIXME: Need options for the various environment variables! 1329 } 1330 1331 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1332 LangStandard::Kind LangStd) { 1333 // Set some properties which depend solely on the input kind; it would be nice 1334 // to move these to the language standard, and have the driver resolve the 1335 // input kind + language standard. 1336 if (IK == IK_Asm) { 1337 Opts.AsmPreprocessor = 1; 1338 } else if (IK == IK_ObjC || 1339 IK == IK_ObjCXX || 1340 IK == IK_PreprocessedObjC || 1341 IK == IK_PreprocessedObjCXX) { 1342 Opts.ObjC1 = Opts.ObjC2 = 1; 1343 } 1344 1345 if (LangStd == LangStandard::lang_unspecified) { 1346 // Based on the base language, pick one. 1347 switch (IK) { 1348 case IK_None: 1349 case IK_AST: 1350 case IK_LLVM_IR: 1351 assert(0 && "Invalid input kind!"); 1352 case IK_OpenCL: 1353 LangStd = LangStandard::lang_opencl; 1354 break; 1355 case IK_CUDA: 1356 LangStd = LangStandard::lang_cuda; 1357 break; 1358 case IK_Asm: 1359 case IK_C: 1360 case IK_PreprocessedC: 1361 case IK_ObjC: 1362 case IK_PreprocessedObjC: 1363 LangStd = LangStandard::lang_gnu99; 1364 break; 1365 case IK_CXX: 1366 case IK_PreprocessedCXX: 1367 case IK_ObjCXX: 1368 case IK_PreprocessedObjCXX: 1369 LangStd = LangStandard::lang_gnucxx98; 1370 break; 1371 } 1372 } 1373 1374 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1375 Opts.BCPLComment = Std.hasBCPLComments(); 1376 Opts.C99 = Std.isC99(); 1377 Opts.C1X = Std.isC1X(); 1378 Opts.CPlusPlus = Std.isCPlusPlus(); 1379 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1380 Opts.Digraphs = Std.hasDigraphs(); 1381 Opts.GNUMode = Std.isGNUMode(); 1382 Opts.GNUInline = !Std.isC99(); 1383 Opts.HexFloats = Std.hasHexFloats(); 1384 Opts.ImplicitInt = Std.hasImplicitInt(); 1385 1386 // OpenCL has some additional defaults. 1387 if (LangStd == LangStandard::lang_opencl) { 1388 Opts.OpenCL = 1; 1389 Opts.AltiVec = 1; 1390 Opts.CXXOperatorNames = 1; 1391 Opts.LaxVectorConversions = 1; 1392 Opts.DefaultFPContract = 1; 1393 } 1394 1395 if (LangStd == LangStandard::lang_cuda) 1396 Opts.CUDA = 1; 1397 1398 // OpenCL and C++ both have bool, true, false keywords. 1399 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1400 1401 Opts.GNUKeywords = Opts.GNUMode; 1402 Opts.CXXOperatorNames = Opts.CPlusPlus; 1403 1404 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1405 // is specified, or -std is set to a conforming mode. 1406 Opts.Trigraphs = !Opts.GNUMode; 1407 1408 Opts.DollarIdents = !Opts.AsmPreprocessor; 1409 } 1410 1411 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1412 Diagnostic &Diags) { 1413 // FIXME: Cleanup per-file based stuff. 1414 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1415 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1416 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1417 #define LANGSTANDARD(id, name, desc, features) \ 1418 .Case(name, LangStandard::lang_##id) 1419 #include "clang/Frontend/LangStandards.def" 1420 .Default(LangStandard::lang_unspecified); 1421 if (LangStd == LangStandard::lang_unspecified) 1422 Diags.Report(diag::err_drv_invalid_value) 1423 << A->getAsString(Args) << A->getValue(Args); 1424 else { 1425 // Valid standard, check to make sure language and standard are compatable. 1426 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1427 switch (IK) { 1428 case IK_C: 1429 case IK_ObjC: 1430 case IK_PreprocessedC: 1431 case IK_PreprocessedObjC: 1432 if (!(Std.isC89() || Std.isC99())) 1433 Diags.Report(diag::err_drv_argument_not_allowed_with) 1434 << A->getAsString(Args) << "C/ObjC"; 1435 break; 1436 case IK_CXX: 1437 case IK_ObjCXX: 1438 case IK_PreprocessedCXX: 1439 case IK_PreprocessedObjCXX: 1440 if (!Std.isCPlusPlus()) 1441 Diags.Report(diag::err_drv_argument_not_allowed_with) 1442 << A->getAsString(Args) << "C++/ObjC++"; 1443 break; 1444 case IK_OpenCL: 1445 if (!Std.isC99()) 1446 Diags.Report(diag::err_drv_argument_not_allowed_with) 1447 << A->getAsString(Args) << "OpenCL"; 1448 break; 1449 case IK_CUDA: 1450 if (!Std.isCPlusPlus()) 1451 Diags.Report(diag::err_drv_argument_not_allowed_with) 1452 << A->getAsString(Args) << "CUDA"; 1453 break; 1454 default: 1455 break; 1456 } 1457 } 1458 } 1459 1460 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1461 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1462 Diags.Report(diag::err_drv_invalid_value) 1463 << A->getAsString(Args) << A->getValue(Args); 1464 } 1465 } 1466 1467 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1468 1469 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1470 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1471 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1472 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1473 // name, as it doesn't seem a useful distinction. 1474 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1475 Opts.GNUKeywords); 1476 1477 if (Args.hasArg(OPT_fno_operator_names)) 1478 Opts.CXXOperatorNames = 0; 1479 1480 if (Args.hasArg(OPT_fgnu89_inline)) 1481 Opts.GNUInline = 1; 1482 1483 if (Args.hasArg(OPT_fobjc_gc_only)) 1484 Opts.setGCMode(LangOptions::GCOnly); 1485 else if (Args.hasArg(OPT_fobjc_gc)) 1486 Opts.setGCMode(LangOptions::HybridGC); 1487 1488 if (Args.hasArg(OPT_fapple_kext)) { 1489 if (!Opts.CPlusPlus) 1490 Diags.Report(diag::warn_c_kext); 1491 else 1492 Opts.AppleKext = 1; 1493 } 1494 1495 if (Args.hasArg(OPT_print_ivar_layout)) 1496 Opts.ObjCGCBitmapPrint = 1; 1497 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1498 Opts.NoConstantCFStrings = 1; 1499 1500 if (Args.hasArg(OPT_faltivec)) 1501 Opts.AltiVec = 1; 1502 1503 if (Args.hasArg(OPT_pthread)) 1504 Opts.POSIXThreads = 1; 1505 1506 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1507 Opts.DelayedTemplateParsing = 1; 1508 1509 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1510 if (Vis == "default") 1511 Opts.setVisibilityMode(DefaultVisibility); 1512 else if (Vis == "hidden") 1513 Opts.setVisibilityMode(HiddenVisibility); 1514 else if (Vis == "protected") 1515 Opts.setVisibilityMode(ProtectedVisibility); 1516 else 1517 Diags.Report(diag::err_drv_invalid_value) 1518 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1519 1520 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1521 Opts.InlineVisibilityHidden = 1; 1522 1523 if (Args.hasArg(OPT_ftrapv)) { 1524 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1525 // Set the handler, if one is specified. 1526 Opts.OverflowHandler = 1527 Args.getLastArgValue(OPT_ftrapv_handler); 1528 } 1529 else if (Args.hasArg(OPT_fwrapv)) 1530 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1531 1532 if (Args.hasArg(OPT_trigraphs)) 1533 Opts.Trigraphs = 1; 1534 1535 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1536 OPT_fno_dollars_in_identifiers, 1537 Opts.DollarIdents); 1538 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1539 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1540 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1541 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1542 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1543 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1544 Opts.ConstStrings); 1545 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1546 Opts.LaxVectorConversions = 0; 1547 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1548 Opts.ThreadsafeStatics = 0; 1549 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1550 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1551 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1552 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1553 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1554 1555 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1556 Opts.Blocks = Args.hasArg(OPT_fblocks); 1557 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1558 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1559 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1560 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1561 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1562 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1563 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1564 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1565 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1566 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1567 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1568 Diags); 1569 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1570 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1571 0, Diags); 1572 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1573 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1574 Opts.ObjCConstantStringClass = 1575 Args.getLastArgValue(OPT_fconstant_string_class); 1576 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1577 if (Opts.ObjCNonFragileABI) 1578 Opts.ObjCNonFragileABI2 = true; 1579 Opts.ObjCDefaultSynthProperties = 1580 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1581 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1582 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1583 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1584 Opts.Static = Args.hasArg(OPT_static_define); 1585 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1586 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1587 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1588 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1589 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1590 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1591 Opts.OptimizeSize = 0; 1592 Opts.MRTD = Args.hasArg(OPT_mrtd); 1593 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1594 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1595 1596 // Record whether the __DEPRECATED define was requested. 1597 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1598 OPT_fno_deprecated_macro, 1599 Opts.Deprecated); 1600 1601 // FIXME: Eliminate this dependency. 1602 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1603 Opts.Optimize = Opt != 0; 1604 1605 // This is the __NO_INLINE__ define, which just depends on things like the 1606 // optimization level and -fno-inline, not actually whether the backend has 1607 // inlining enabled. 1608 // 1609 // FIXME: This is affected by other options (-fno-inline). 1610 Opts.NoInline = !Opt; 1611 1612 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1613 switch (SSP) { 1614 default: 1615 Diags.Report(diag::err_drv_invalid_value) 1616 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1617 break; 1618 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1619 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1620 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1621 } 1622 } 1623 1624 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1625 FileManager &FileMgr, 1626 Diagnostic &Diags) { 1627 using namespace cc1options; 1628 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1629 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1630 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1631 Opts.TokenCache = A->getValue(Args); 1632 else 1633 Opts.TokenCache = Opts.ImplicitPTHInclude; 1634 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1635 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1636 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1637 1638 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1639 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1640 ie = Args.filtered_end(); it != ie; ++it) { 1641 const Arg *A = *it; 1642 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1643 } 1644 1645 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1646 llvm::StringRef Value(A->getValue(Args)); 1647 size_t Comma = Value.find(','); 1648 unsigned Bytes = 0; 1649 unsigned EndOfLine = 0; 1650 1651 if (Comma == llvm::StringRef::npos || 1652 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1653 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1654 Diags.Report(diag::err_drv_preamble_format); 1655 else { 1656 Opts.PrecompiledPreambleBytes.first = Bytes; 1657 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1658 } 1659 } 1660 1661 // Add macros from the command line. 1662 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1663 ie = Args.filtered_end(); it != ie; ++it) { 1664 if ((*it)->getOption().matches(OPT_D)) 1665 Opts.addMacroDef((*it)->getValue(Args)); 1666 else 1667 Opts.addMacroUndef((*it)->getValue(Args)); 1668 } 1669 1670 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1671 1672 // Add the ordered list of -includes. 1673 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1674 OPT_include_pth), 1675 ie = Args.filtered_end(); it != ie; ++it) { 1676 const Arg *A = *it; 1677 // PCH is handled specially, we need to extra the original include path. 1678 if (A->getOption().matches(OPT_include_pch)) { 1679 std::string OriginalFile = 1680 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1681 if (OriginalFile.empty()) 1682 continue; 1683 1684 Opts.Includes.push_back(OriginalFile); 1685 } else 1686 Opts.Includes.push_back(A->getValue(Args)); 1687 } 1688 1689 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1690 ie = Args.filtered_end(); it != ie; ++it) { 1691 const Arg *A = *it; 1692 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1693 } 1694 1695 // Include 'altivec.h' if -faltivec option present 1696 if (Args.hasArg(OPT_faltivec)) 1697 Opts.Includes.push_back("altivec.h"); 1698 1699 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1700 ie = Args.filtered_end(); it != ie; ++it) { 1701 const Arg *A = *it; 1702 std::pair<llvm::StringRef,llvm::StringRef> Split = 1703 llvm::StringRef(A->getValue(Args)).split(';'); 1704 1705 if (Split.second.empty()) { 1706 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1707 continue; 1708 } 1709 1710 Opts.addRemappedFile(Split.first, Split.second); 1711 } 1712 } 1713 1714 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1715 ArgList &Args) { 1716 using namespace cc1options; 1717 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1718 Opts.ShowComments = Args.hasArg(OPT_C); 1719 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1720 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1721 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1722 } 1723 1724 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1725 using namespace cc1options; 1726 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1727 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1728 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1729 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1730 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1731 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1732 1733 // Use the host triple if unspecified. 1734 if (Opts.Triple.empty()) 1735 Opts.Triple = llvm::sys::getHostTriple(); 1736 } 1737 1738 // 1739 1740 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1741 const char *const *ArgBegin, 1742 const char *const *ArgEnd, 1743 Diagnostic &Diags) { 1744 // Parse the arguments. 1745 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1746 unsigned MissingArgIndex, MissingArgCount; 1747 llvm::OwningPtr<InputArgList> Args( 1748 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1749 1750 // Check for missing argument error. 1751 if (MissingArgCount) 1752 Diags.Report(diag::err_drv_missing_argument) 1753 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1754 1755 // Issue errors on unknown arguments. 1756 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1757 ie = Args->filtered_end(); it != ie; ++it) 1758 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1759 1760 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1761 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1762 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1763 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1764 // FIXME: We shouldn't have to pass the DashX option around here 1765 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1766 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1767 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1768 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1769 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1770 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1771 Res.getLangOpts().ObjCExceptions = 1; 1772 } 1773 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1774 // PCH file and find the original header name. Remove the need to do that in 1775 // ParsePreprocessorArgs and remove the FileManager 1776 // parameters from the function and the "FileManager.h" #include. 1777 FileManager FileMgr(Res.getFileSystemOpts()); 1778 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1779 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1780 ParseTargetArgs(Res.getTargetOpts(), *Args); 1781 } 1782