1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 //===----------------------------------------------------------------------===// 64 // Serialization (to args) 65 //===----------------------------------------------------------------------===// 66 67 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112 } 113 114 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.EmitGcovArcs) 127 Res.push_back("-femit-coverage-data"); 128 if (Opts.EmitGcovNotes) 129 Res.push_back("-femit-coverage-notes"); 130 if (!Opts.MergeAllConstants) 131 Res.push_back("-fno-merge-all-constants"); 132 if (Opts.NoCommon) 133 Res.push_back("-fno-common"); 134 if (Opts.ForbidGuardVariables) 135 Res.push_back("-fforbid-guard-variables"); 136 if (Opts.NoImplicitFloat) 137 Res.push_back("-no-implicit-float"); 138 if (Opts.OmitLeafFramePointer) 139 Res.push_back("-momit-leaf-frame-pointer"); 140 if (Opts.OptimizeSize) { 141 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 142 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 143 } else if (Opts.OptimizationLevel != 0) 144 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 145 if (!Opts.MainFileName.empty()) { 146 Res.push_back("-main-file-name"); 147 Res.push_back(Opts.MainFileName); 148 } 149 // SimplifyLibCalls is only derived. 150 // TimePasses is only derived. 151 // UnitAtATime is unused. 152 // Inlining is only derived. 153 154 // UnrollLoops is derived, but also accepts an option, no 155 // harm in pushing it back here. 156 if (Opts.UnrollLoops) 157 Res.push_back("-funroll-loops"); 158 if (Opts.DataSections) 159 Res.push_back("-fdata-sections"); 160 if (Opts.FunctionSections) 161 Res.push_back("-ffunction-sections"); 162 if (Opts.AsmVerbose) 163 Res.push_back("-masm-verbose"); 164 if (!Opts.CodeModel.empty()) { 165 Res.push_back("-mcode-model"); 166 Res.push_back(Opts.CodeModel); 167 } 168 if (!Opts.CXAAtExit) 169 Res.push_back("-fno-use-cxa-atexit"); 170 if (Opts.CXXCtorDtorAliases) 171 Res.push_back("-mconstructor-aliases"); 172 if (Opts.ObjCAutoRefCountExceptions) 173 Res.push_back("-fobjc-arc-eh"); 174 if (!Opts.DebugPass.empty()) { 175 Res.push_back("-mdebug-pass"); 176 Res.push_back(Opts.DebugPass); 177 } 178 if (Opts.DisableFPElim) 179 Res.push_back("-mdisable-fp-elim"); 180 if (!Opts.FloatABI.empty()) { 181 Res.push_back("-mfloat-abi"); 182 Res.push_back(Opts.FloatABI); 183 } 184 if (!Opts.LimitFloatPrecision.empty()) { 185 Res.push_back("-mlimit-float-precision"); 186 Res.push_back(Opts.LimitFloatPrecision); 187 } 188 if (Opts.NoZeroInitializedInBSS) 189 Res.push_back("-mno-zero-initialized-bss"); 190 switch (Opts.getObjCDispatchMethod()) { 191 case CodeGenOptions::Legacy: 192 break; 193 case CodeGenOptions::Mixed: 194 Res.push_back("-fobjc-dispatch-method=mixed"); 195 break; 196 case CodeGenOptions::NonLegacy: 197 Res.push_back("-fobjc-dispatch-method=non-legacy"); 198 break; 199 } 200 if (Opts.NumRegisterParameters) { 201 Res.push_back("-mregparm"); 202 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 203 } 204 if (Opts.NoExecStack) 205 Res.push_back("-mnoexecstack"); 206 if (Opts.RelaxAll) 207 Res.push_back("-mrelax-all"); 208 if (Opts.SaveTempLabels) 209 Res.push_back("-msave-temp-labels"); 210 if (Opts.NoDwarf2CFIAsm) 211 Res.push_back("-fno-dwarf2-cfi-asm"); 212 if (Opts.SoftFloat) 213 Res.push_back("-msoft-float"); 214 if (Opts.UnwindTables) 215 Res.push_back("-munwind-tables"); 216 if (Opts.RelocationModel != "pic") { 217 Res.push_back("-mrelocation-model"); 218 Res.push_back(Opts.RelocationModel); 219 } 220 if (!Opts.VerifyModule) 221 Res.push_back("-disable-llvm-verifier"); 222 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 223 Res.push_back("-backend-option"); 224 Res.push_back(Opts.BackendOptions[i]); 225 } 226 } 227 228 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 229 std::vector<std::string> &Res) { 230 if (Opts.IncludeSystemHeaders) 231 Res.push_back("-sys-header-deps"); 232 if (Opts.ShowHeaderIncludes) 233 Res.push_back("-H"); 234 if (!Opts.HeaderIncludeOutputFile.empty()) { 235 Res.push_back("-header-include-file"); 236 Res.push_back(Opts.HeaderIncludeOutputFile); 237 } 238 if (Opts.UsePhonyTargets) 239 Res.push_back("-MP"); 240 if (!Opts.OutputFile.empty()) { 241 Res.push_back("-dependency-file"); 242 Res.push_back(Opts.OutputFile); 243 } 244 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 245 Res.push_back("-MT"); 246 Res.push_back(Opts.Targets[i]); 247 } 248 } 249 250 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 251 std::vector<std::string> &Res) { 252 if (Opts.IgnoreWarnings) 253 Res.push_back("-w"); 254 if (Opts.NoRewriteMacros) 255 Res.push_back("-Wno-rewrite-macros"); 256 if (Opts.Pedantic) 257 Res.push_back("-pedantic"); 258 if (Opts.PedanticErrors) 259 Res.push_back("-pedantic-errors"); 260 if (!Opts.ShowColumn) 261 Res.push_back("-fno-show-column"); 262 if (!Opts.ShowLocation) 263 Res.push_back("-fno-show-source-location"); 264 if (!Opts.ShowCarets) 265 Res.push_back("-fno-caret-diagnostics"); 266 if (!Opts.ShowFixits) 267 Res.push_back("-fno-diagnostics-fixit-info"); 268 if (Opts.ShowSourceRanges) 269 Res.push_back("-fdiagnostics-print-source-range-info"); 270 if (Opts.ShowParseableFixits) 271 Res.push_back("-fdiagnostics-parseable-fixits"); 272 if (Opts.ShowColors) 273 Res.push_back("-fcolor-diagnostics"); 274 if (Opts.VerifyDiagnostics) 275 Res.push_back("-verify"); 276 if (Opts.ShowNames) 277 Res.push_back("-fdiagnostics-show-name"); 278 if (Opts.ShowOptionNames) 279 Res.push_back("-fdiagnostics-show-option"); 280 if (Opts.ShowCategories == 1) 281 Res.push_back("-fdiagnostics-show-category=id"); 282 else if (Opts.ShowCategories == 2) 283 Res.push_back("-fdiagnostics-show-category=name"); 284 switch (Opts.Format) { 285 case DiagnosticOptions::Clang: 286 Res.push_back("-fdiagnostics-format=clang"); break; 287 case DiagnosticOptions::Msvc: 288 Res.push_back("-fdiagnostics-format=msvc"); break; 289 case DiagnosticOptions::Vi: 290 Res.push_back("-fdiagnostics-format=vi"); break; 291 } 292 if (Opts.ErrorLimit) { 293 Res.push_back("-ferror-limit"); 294 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 295 } 296 if (!Opts.DiagnosticLogFile.empty()) { 297 Res.push_back("-diagnostic-log-file"); 298 Res.push_back(Opts.DiagnosticLogFile); 299 } 300 if (Opts.MacroBacktraceLimit 301 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 302 Res.push_back("-fmacro-backtrace-limit"); 303 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 304 } 305 if (Opts.TemplateBacktraceLimit 306 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 307 Res.push_back("-ftemplate-backtrace-limit"); 308 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 309 } 310 311 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 312 Res.push_back("-ftabstop"); 313 Res.push_back(llvm::utostr(Opts.TabStop)); 314 } 315 if (Opts.MessageLength) { 316 Res.push_back("-fmessage-length"); 317 Res.push_back(llvm::utostr(Opts.MessageLength)); 318 } 319 if (!Opts.DumpBuildInformation.empty()) { 320 Res.push_back("-dump-build-information"); 321 Res.push_back(Opts.DumpBuildInformation); 322 } 323 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 324 Res.push_back("-W" + Opts.Warnings[i]); 325 } 326 327 static const char *getInputKindName(InputKind Kind) { 328 switch (Kind) { 329 case IK_None: break; 330 case IK_AST: return "ast"; 331 case IK_Asm: return "assembler-with-cpp"; 332 case IK_C: return "c"; 333 case IK_CXX: return "c++"; 334 case IK_LLVM_IR: return "ir"; 335 case IK_ObjC: return "objective-c"; 336 case IK_ObjCXX: return "objective-c++"; 337 case IK_OpenCL: return "cl"; 338 case IK_CUDA: return "cuda"; 339 case IK_PreprocessedC: return "cpp-output"; 340 case IK_PreprocessedCXX: return "c++-cpp-output"; 341 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 342 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 343 } 344 345 llvm_unreachable("Unexpected language kind!"); 346 return 0; 347 } 348 349 static const char *getActionName(frontend::ActionKind Kind) { 350 switch (Kind) { 351 case frontend::PluginAction: 352 llvm_unreachable("Invalid kind!"); 353 354 case frontend::ASTDump: return "-ast-dump"; 355 case frontend::ASTDumpXML: return "-ast-dump-xml"; 356 case frontend::ASTPrint: return "-ast-print"; 357 case frontend::ASTView: return "-ast-view"; 358 case frontend::BoostCon: return "-boostcon"; 359 case frontend::CreateModule: return "-create-module"; 360 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 361 case frontend::DumpTokens: return "-dump-tokens"; 362 case frontend::EmitAssembly: return "-S"; 363 case frontend::EmitBC: return "-emit-llvm-bc"; 364 case frontend::EmitHTML: return "-emit-html"; 365 case frontend::EmitLLVM: return "-emit-llvm"; 366 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 367 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 368 case frontend::EmitObj: return "-emit-obj"; 369 case frontend::FixIt: return "-fixit"; 370 case frontend::GeneratePCH: return "-emit-pch"; 371 case frontend::GeneratePTH: return "-emit-pth"; 372 case frontend::InitOnly: return "-init-only"; 373 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 374 case frontend::PrintDeclContext: return "-print-decl-contexts"; 375 case frontend::PrintPreamble: return "-print-preamble"; 376 case frontend::PrintPreprocessedInput: return "-E"; 377 case frontend::RewriteMacros: return "-rewrite-macros"; 378 case frontend::RewriteObjC: return "-rewrite-objc"; 379 case frontend::RewriteTest: return "-rewrite-test"; 380 case frontend::RunAnalysis: return "-analyze"; 381 case frontend::RunPreprocessorOnly: return "-Eonly"; 382 } 383 384 llvm_unreachable("Unexpected language kind!"); 385 return 0; 386 } 387 388 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 389 std::vector<std::string> &Res) { 390 if (!Opts.WorkingDir.empty()) { 391 Res.push_back("-working-directory"); 392 Res.push_back(Opts.WorkingDir); 393 } 394 } 395 396 static void FrontendOptsToArgs(const FrontendOptions &Opts, 397 std::vector<std::string> &Res) { 398 if (Opts.DisableFree) 399 Res.push_back("-disable-free"); 400 if (Opts.RelocatablePCH) 401 Res.push_back("-relocatable-pch"); 402 if (Opts.ChainedPCH) 403 Res.push_back("-chained-pch"); 404 if (Opts.ShowHelp) 405 Res.push_back("-help"); 406 if (Opts.ShowMacrosInCodeCompletion) 407 Res.push_back("-code-completion-macros"); 408 if (Opts.ShowCodePatternsInCodeCompletion) 409 Res.push_back("-code-completion-patterns"); 410 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 411 Res.push_back("-no-code-completion-globals"); 412 if (Opts.ShowStats) 413 Res.push_back("-print-stats"); 414 if (Opts.ShowTimers) 415 Res.push_back("-ftime-report"); 416 if (Opts.ShowVersion) 417 Res.push_back("-version"); 418 if (Opts.FixWhatYouCan) 419 Res.push_back("-fix-what-you-can"); 420 switch (Opts.ARCMTAction) { 421 case FrontendOptions::ARCMT_None: 422 break; 423 case FrontendOptions::ARCMT_Check: 424 Res.push_back("-arcmt-check"); 425 break; 426 case FrontendOptions::ARCMT_Modify: 427 Res.push_back("-arcmt-modify"); 428 break; 429 } 430 431 bool NeedLang = false; 432 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 433 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 434 Opts.Inputs[i].first) 435 NeedLang = true; 436 if (NeedLang) { 437 Res.push_back("-x"); 438 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 439 } 440 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 441 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 442 "Unable to represent this input vector!"); 443 Res.push_back(Opts.Inputs[i].second); 444 } 445 446 if (!Opts.OutputFile.empty()) { 447 Res.push_back("-o"); 448 Res.push_back(Opts.OutputFile); 449 } 450 if (!Opts.CodeCompletionAt.FileName.empty()) { 451 Res.push_back("-code-completion-at"); 452 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 453 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 454 llvm::utostr(Opts.CodeCompletionAt.Column)); 455 } 456 if (Opts.ProgramAction != frontend::PluginAction) 457 Res.push_back(getActionName(Opts.ProgramAction)); 458 if (!Opts.ActionName.empty()) { 459 Res.push_back("-plugin"); 460 Res.push_back(Opts.ActionName); 461 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 462 Res.push_back("-plugin-arg-" + Opts.ActionName); 463 Res.push_back(Opts.PluginArgs[i]); 464 } 465 } 466 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 467 Res.push_back("-load"); 468 Res.push_back(Opts.Plugins[i]); 469 } 470 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 471 Res.push_back("-add-plugin"); 472 Res.push_back(Opts.AddPluginActions[i]); 473 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 474 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 475 Res.push_back(Opts.AddPluginArgs[i][ai]); 476 } 477 } 478 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 479 Res.push_back("-ast-merge"); 480 Res.push_back(Opts.ASTMergeFiles[i]); 481 } 482 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 483 Res.push_back("-import-module"); 484 Res.push_back(Opts.Modules[i]); 485 } 486 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 487 Res.push_back("-mllvm"); 488 Res.push_back(Opts.LLVMArgs[i]); 489 } 490 } 491 492 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 493 std::vector<std::string> &Res) { 494 if (Opts.Sysroot != "/") { 495 Res.push_back("-isysroot"); 496 Res.push_back(Opts.Sysroot); 497 } 498 499 /// User specified include entries. 500 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 501 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 502 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 503 llvm::report_fatal_error("Invalid option set!"); 504 if (E.IsUserSupplied) { 505 if (E.Group == frontend::After) { 506 Res.push_back("-idirafter"); 507 } else if (E.Group == frontend::Quoted) { 508 Res.push_back("-iquote"); 509 } else if (E.Group == frontend::System) { 510 Res.push_back("-isystem"); 511 } else if (E.Group == frontend::CXXSystem) { 512 Res.push_back("-cxx-isystem"); 513 } else { 514 assert(E.Group == frontend::Angled && "Invalid group!"); 515 Res.push_back(E.IsFramework ? "-F" : "-I"); 516 } 517 } else { 518 if (E.Group != frontend::Angled && E.Group != frontend::System) 519 llvm::report_fatal_error("Invalid option set!"); 520 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 521 "-iwithprefix"); 522 } 523 Res.push_back(E.Path); 524 } 525 526 if (!Opts.EnvIncPath.empty()) { 527 // FIXME: Provide an option for this, and move env detection to driver. 528 llvm::report_fatal_error("Not yet implemented!"); 529 } 530 if (!Opts.CEnvIncPath.empty()) { 531 // FIXME: Provide an option for this, and move env detection to driver. 532 llvm::report_fatal_error("Not yet implemented!"); 533 } 534 if (!Opts.ObjCEnvIncPath.empty()) { 535 // FIXME: Provide an option for this, and move env detection to driver. 536 llvm::report_fatal_error("Not yet implemented!"); 537 } 538 if (!Opts.CXXEnvIncPath.empty()) { 539 // FIXME: Provide an option for this, and move env detection to driver. 540 llvm::report_fatal_error("Not yet implemented!"); 541 } 542 if (!Opts.ObjCXXEnvIncPath.empty()) { 543 // FIXME: Provide an option for this, and move env detection to driver. 544 llvm::report_fatal_error("Not yet implemented!"); 545 } 546 if (!Opts.ResourceDir.empty()) { 547 Res.push_back("-resource-dir"); 548 Res.push_back(Opts.ResourceDir); 549 } 550 if (!Opts.UseStandardIncludes) 551 Res.push_back("-nostdinc"); 552 if (!Opts.UseStandardCXXIncludes) 553 Res.push_back("-nostdinc++"); 554 if (Opts.Verbose) 555 Res.push_back("-v"); 556 } 557 558 static void LangOptsToArgs(const LangOptions &Opts, 559 std::vector<std::string> &Res) { 560 LangOptions DefaultLangOpts; 561 562 // FIXME: Need to set -std to get all the implicit options. 563 564 // FIXME: We want to only pass options relative to the defaults, which 565 // requires constructing a target. :( 566 // 567 // It would be better to push the all target specific choices into the driver, 568 // so that everything below that was more uniform. 569 570 if (Opts.Trigraphs) 571 Res.push_back("-trigraphs"); 572 // Implicit based on the input kind: 573 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 574 // Implicit based on the input language standard: 575 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 576 if (Opts.DollarIdents) 577 Res.push_back("-fdollars-in-identifiers"); 578 if (Opts.GNUMode && !Opts.GNUKeywords) 579 Res.push_back("-fno-gnu-keywords"); 580 if (!Opts.GNUMode && Opts.GNUKeywords) 581 Res.push_back("-fgnu-keywords"); 582 if (Opts.Microsoft) 583 Res.push_back("-fms-extensions"); 584 if (Opts.MSCVersion != 0) 585 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 586 if (Opts.Borland) 587 Res.push_back("-fborland-extensions"); 588 if (Opts.ObjCNonFragileABI) 589 Res.push_back("-fobjc-nonfragile-abi"); 590 if (Opts.ObjCNonFragileABI2) 591 Res.push_back("-fobjc-nonfragile-abi"); 592 if (Opts.ObjCDefaultSynthProperties) 593 Res.push_back("-fobjc-default-synthesize-properties"); 594 // NoInline is implicit. 595 if (!Opts.CXXOperatorNames) 596 Res.push_back("-fno-operator-names"); 597 if (Opts.PascalStrings) 598 Res.push_back("-fpascal-strings"); 599 if (Opts.CatchUndefined) 600 Res.push_back("-fcatch-undefined-behavior"); 601 if (Opts.WritableStrings) 602 Res.push_back("-fwritable-strings"); 603 if (Opts.ConstStrings) 604 Res.push_back("-fconst-strings"); 605 if (!Opts.LaxVectorConversions) 606 Res.push_back("-fno-lax-vector-conversions"); 607 if (Opts.AltiVec) 608 Res.push_back("-faltivec"); 609 if (Opts.Exceptions) 610 Res.push_back("-fexceptions"); 611 if (Opts.ObjCExceptions) 612 Res.push_back("-fobjc-exceptions"); 613 if (Opts.CXXExceptions) 614 Res.push_back("-fcxx-exceptions"); 615 if (Opts.SjLjExceptions) 616 Res.push_back("-fsjlj-exceptions"); 617 if (Opts.TraditionalCPP) 618 Res.push_back("-traditional-cpp"); 619 if (!Opts.RTTI) 620 Res.push_back("-fno-rtti"); 621 if (Opts.MSBitfields) 622 Res.push_back("-mms-bitfields"); 623 if (!Opts.NeXTRuntime) 624 Res.push_back("-fgnu-runtime"); 625 if (Opts.Freestanding) 626 Res.push_back("-ffreestanding"); 627 if (Opts.NoBuiltin) 628 Res.push_back("-fno-builtin"); 629 if (!Opts.AssumeSaneOperatorNew) 630 Res.push_back("-fno-assume-sane-operator-new"); 631 if (!Opts.ThreadsafeStatics) 632 Res.push_back("-fno-threadsafe-statics"); 633 if (Opts.POSIXThreads) 634 Res.push_back("-pthread"); 635 if (Opts.Blocks) 636 Res.push_back("-fblocks"); 637 if (Opts.EmitAllDecls) 638 Res.push_back("-femit-all-decls"); 639 if (Opts.MathErrno) 640 Res.push_back("-fmath-errno"); 641 switch (Opts.getSignedOverflowBehavior()) { 642 case LangOptions::SOB_Undefined: break; 643 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 644 case LangOptions::SOB_Trapping: 645 Res.push_back("-ftrapv"); break; 646 if (!Opts.OverflowHandler.empty()) { 647 Res.push_back("-ftrapv-handler"); 648 Res.push_back(Opts.OverflowHandler); 649 } 650 } 651 if (Opts.HeinousExtensions) 652 Res.push_back("-fheinous-gnu-extensions"); 653 // Optimize is implicit. 654 // OptimizeSize is implicit. 655 if (Opts.Static) 656 Res.push_back("-static-define"); 657 if (Opts.DumpRecordLayouts) 658 Res.push_back("-fdump-record-layouts"); 659 if (Opts.DumpVTableLayouts) 660 Res.push_back("-fdump-vtable-layouts"); 661 if (Opts.NoBitFieldTypeAlign) 662 Res.push_back("-fno-bitfield-type-alignment"); 663 if (Opts.PICLevel) { 664 Res.push_back("-pic-level"); 665 Res.push_back(llvm::utostr(Opts.PICLevel)); 666 } 667 if (Opts.ObjCGCBitmapPrint) 668 Res.push_back("-print-ivar-layout"); 669 if (Opts.NoConstantCFStrings) 670 Res.push_back("-fno-constant-cfstrings"); 671 if (!Opts.AccessControl) 672 Res.push_back("-fno-access-control"); 673 if (!Opts.CharIsSigned) 674 Res.push_back("-fno-signed-char"); 675 if (Opts.ShortWChar) 676 Res.push_back("-fshort-wchar"); 677 if (!Opts.ElideConstructors) 678 Res.push_back("-fno-elide-constructors"); 679 if (Opts.getGCMode() != LangOptions::NonGC) { 680 if (Opts.getGCMode() == LangOptions::HybridGC) { 681 Res.push_back("-fobjc-gc"); 682 } else { 683 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 684 Res.push_back("-fobjc-gc-only"); 685 } 686 } 687 if (Opts.ObjCAutoRefCount) 688 Res.push_back("-fobjc-arc"); 689 if (Opts.ObjCNoAutoRefCountRuntime) 690 Res.push_back("-fobjc-no-arc-runtime"); 691 if (!Opts.ObjCInferRelatedResultType) 692 Res.push_back("-fno-objc-infer-related-result-type"); 693 694 if (Opts.AppleKext) 695 Res.push_back("-fapple-kext"); 696 697 if (Opts.getVisibilityMode() != DefaultVisibility) { 698 Res.push_back("-fvisibility"); 699 if (Opts.getVisibilityMode() == HiddenVisibility) { 700 Res.push_back("hidden"); 701 } else { 702 assert(Opts.getVisibilityMode() == ProtectedVisibility && 703 "Invalid visibility!"); 704 Res.push_back("protected"); 705 } 706 } 707 if (Opts.InlineVisibilityHidden) 708 Res.push_back("-fvisibility-inlines-hidden"); 709 710 if (Opts.getStackProtectorMode() != 0) { 711 Res.push_back("-stack-protector"); 712 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 713 } 714 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 715 Res.push_back("-ftemplate-depth"); 716 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 717 } 718 if (!Opts.ObjCConstantStringClass.empty()) { 719 Res.push_back("-fconstant-string-class"); 720 Res.push_back(Opts.ObjCConstantStringClass); 721 } 722 if (Opts.FakeAddressSpaceMap) 723 Res.push_back("-ffake-address-space-map"); 724 if (Opts.ParseUnknownAnytype) 725 Res.push_back("-funknown-anytype"); 726 if (Opts.DelayedTemplateParsing) 727 Res.push_back("-fdelayed-template-parsing"); 728 if (Opts.Deprecated) 729 Res.push_back("-fdeprecated-macro"); 730 } 731 732 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 733 std::vector<std::string> &Res) { 734 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 735 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 736 Opts.Macros[i].first); 737 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 738 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 739 Res.push_back("-include"); 740 Res.push_back(Opts.Includes[i]); 741 } 742 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 743 Res.push_back("-imacros"); 744 Res.push_back(Opts.MacroIncludes[i]); 745 } 746 if (!Opts.UsePredefines) 747 Res.push_back("-undef"); 748 if (Opts.DetailedRecord) 749 Res.push_back("-detailed-preprocessing-record"); 750 if (!Opts.ImplicitPCHInclude.empty()) { 751 Res.push_back("-include-pch"); 752 Res.push_back(Opts.ImplicitPCHInclude); 753 } 754 if (!Opts.ImplicitPTHInclude.empty()) { 755 Res.push_back("-include-pth"); 756 Res.push_back(Opts.ImplicitPTHInclude); 757 } 758 if (!Opts.TokenCache.empty()) { 759 if (Opts.ImplicitPTHInclude.empty()) { 760 Res.push_back("-token-cache"); 761 Res.push_back(Opts.TokenCache); 762 } else 763 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 764 "Unsupported option combination!"); 765 } 766 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 767 Res.push_back("-chain-include"); 768 Res.push_back(Opts.ChainedIncludes[i]); 769 } 770 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 771 Res.push_back("-remap-file"); 772 Res.push_back(Opts.RemappedFiles[i].first + ";" + 773 Opts.RemappedFiles[i].second); 774 } 775 } 776 777 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 778 std::vector<std::string> &Res) { 779 if (!Opts.ShowCPP && !Opts.ShowMacros) 780 llvm::report_fatal_error("Invalid option combination!"); 781 782 if (Opts.ShowCPP && Opts.ShowMacros) 783 Res.push_back("-dD"); 784 else if (!Opts.ShowCPP && Opts.ShowMacros) 785 Res.push_back("-dM"); 786 787 if (!Opts.ShowLineMarkers) 788 Res.push_back("-P"); 789 if (Opts.ShowComments) 790 Res.push_back("-C"); 791 if (Opts.ShowMacroComments) 792 Res.push_back("-CC"); 793 } 794 795 static void TargetOptsToArgs(const TargetOptions &Opts, 796 std::vector<std::string> &Res) { 797 Res.push_back("-triple"); 798 Res.push_back(Opts.Triple); 799 if (!Opts.CPU.empty()) { 800 Res.push_back("-target-cpu"); 801 Res.push_back(Opts.CPU); 802 } 803 if (!Opts.ABI.empty()) { 804 Res.push_back("-target-abi"); 805 Res.push_back(Opts.ABI); 806 } 807 if (!Opts.LinkerVersion.empty()) { 808 Res.push_back("-target-linker-version"); 809 Res.push_back(Opts.LinkerVersion); 810 } 811 if (!Opts.CXXABI.empty()) { 812 Res.push_back("-cxx-abi"); 813 Res.push_back(Opts.CXXABI); 814 } 815 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 816 Res.push_back("-target-feature"); 817 Res.push_back(Opts.Features[i]); 818 } 819 } 820 821 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 822 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 823 CodeGenOptsToArgs(getCodeGenOpts(), Res); 824 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 825 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 826 FileSystemOptsToArgs(getFileSystemOpts(), Res); 827 FrontendOptsToArgs(getFrontendOpts(), Res); 828 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 829 LangOptsToArgs(getLangOpts(), Res); 830 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 831 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 832 TargetOptsToArgs(getTargetOpts(), Res); 833 } 834 835 //===----------------------------------------------------------------------===// 836 // Deserialization (to args) 837 //===----------------------------------------------------------------------===// 838 839 using namespace clang::driver; 840 using namespace clang::driver::cc1options; 841 842 // 843 844 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 845 Diagnostic &Diags) { 846 unsigned DefaultOpt = 0; 847 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 848 DefaultOpt = 2; 849 // -Os/-Oz implies -O2 850 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 851 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 852 } 853 854 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 855 Diagnostic &Diags) { 856 using namespace cc1options; 857 858 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 859 llvm::StringRef Name = A->getValue(Args); 860 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 861 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 862 .Case(CMDFLAG, NAME##Model) 863 #include "clang/Frontend/Analyses.def" 864 .Default(NumStores); 865 // FIXME: Error handling. 866 if (Value == NumStores) 867 Diags.Report(diag::err_drv_invalid_value) 868 << A->getAsString(Args) << Name; 869 else 870 Opts.AnalysisStoreOpt = Value; 871 } 872 873 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 874 llvm::StringRef Name = A->getValue(Args); 875 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 876 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 877 .Case(CMDFLAG, NAME##Model) 878 #include "clang/Frontend/Analyses.def" 879 .Default(NumConstraints); 880 // FIXME: Error handling. 881 if (Value == NumConstraints) 882 Diags.Report(diag::err_drv_invalid_value) 883 << A->getAsString(Args) << Name; 884 else 885 Opts.AnalysisConstraintsOpt = Value; 886 } 887 888 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 889 llvm::StringRef Name = A->getValue(Args); 890 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 891 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 892 .Case(CMDFLAG, PD_##NAME) 893 #include "clang/Frontend/Analyses.def" 894 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 895 // FIXME: Error handling. 896 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 897 Diags.Report(diag::err_drv_invalid_value) 898 << A->getAsString(Args) << Name; 899 else 900 Opts.AnalysisDiagOpt = Value; 901 } 902 903 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 904 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 905 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 906 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 907 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 908 Opts.AnalyzeNestedBlocks = 909 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 910 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 911 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 912 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 913 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 914 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 915 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 916 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 917 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 918 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 919 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 920 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 921 922 Opts.CheckersControlList.clear(); 923 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 924 OPT_analyzer_disable_checker), 925 ie = Args.filtered_end(); it != ie; ++it) { 926 const Arg *A = *it; 927 A->claim(); 928 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 929 // We can have a list of comma separated checker names, e.g: 930 // '-analyzer-checker=cocoa,unix' 931 llvm::StringRef checkerList = A->getValue(Args); 932 llvm::SmallVector<llvm::StringRef, 4> checkers; 933 checkerList.split(checkers, ","); 934 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 935 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 936 } 937 } 938 939 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 940 Diagnostic &Diags) { 941 using namespace cc1options; 942 943 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 944 if (Opts.OptimizationLevel > 3) { 945 Diags.Report(diag::err_drv_invalid_value) 946 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 947 Opts.OptimizationLevel = 3; 948 } 949 950 // We must always run at least the always inlining pass. 951 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 952 : CodeGenOptions::OnlyAlwaysInlining; 953 954 Opts.DebugInfo = Args.hasArg(OPT_g); 955 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 956 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 957 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 958 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 959 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 960 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 961 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 962 Opts.NoCommon = Args.hasArg(OPT_fno_common); 963 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 964 Opts.OptimizeSize = Args.hasArg(OPT_Os); 965 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 966 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 967 Args.hasArg(OPT_ffreestanding)); 968 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 969 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 970 971 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 972 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 973 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 974 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 975 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 976 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 977 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 978 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 979 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 980 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 981 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 982 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 983 Args.hasArg(OPT_cl_fast_relaxed_math); 984 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 985 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 986 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 987 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 988 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 989 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 990 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 991 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 992 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 993 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 994 Args.hasArg(OPT_cl_fast_relaxed_math); 995 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 996 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 997 998 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 999 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1000 1001 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1002 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1003 1004 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1005 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1006 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1007 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1008 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1009 1010 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1011 llvm::StringRef Name = A->getValue(Args); 1012 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1013 .Case("legacy", CodeGenOptions::Legacy) 1014 .Case("non-legacy", CodeGenOptions::NonLegacy) 1015 .Case("mixed", CodeGenOptions::Mixed) 1016 .Default(~0U); 1017 if (Method == ~0U) 1018 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1019 else 1020 Opts.ObjCDispatchMethod = Method; 1021 } 1022 } 1023 1024 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1025 ArgList &Args) { 1026 using namespace cc1options; 1027 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1028 Opts.Targets = Args.getAllArgValues(OPT_MT); 1029 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1030 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1031 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1032 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1033 } 1034 1035 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1036 Diagnostic &Diags) { 1037 using namespace cc1options; 1038 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1039 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1040 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1041 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1042 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1043 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1044 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1045 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1046 OPT_fno_show_column, 1047 /*Default=*/true); 1048 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1049 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1050 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1051 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1052 1053 // Default behavior is to not to show note include stacks. 1054 Opts.ShowNoteIncludeStack = false; 1055 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1056 OPT_fno_diagnostics_show_note_include_stack)) 1057 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1058 Opts.ShowNoteIncludeStack = true; 1059 1060 llvm::StringRef ShowOverloads = 1061 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1062 if (ShowOverloads == "best") 1063 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1064 else if (ShowOverloads == "all") 1065 Opts.ShowOverloads = Diagnostic::Ovl_All; 1066 else 1067 Diags.Report(diag::err_drv_invalid_value) 1068 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1069 << ShowOverloads; 1070 1071 llvm::StringRef ShowCategory = 1072 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1073 if (ShowCategory == "none") 1074 Opts.ShowCategories = 0; 1075 else if (ShowCategory == "id") 1076 Opts.ShowCategories = 1; 1077 else if (ShowCategory == "name") 1078 Opts.ShowCategories = 2; 1079 else 1080 Diags.Report(diag::err_drv_invalid_value) 1081 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1082 << ShowCategory; 1083 1084 llvm::StringRef Format = 1085 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1086 if (Format == "clang") 1087 Opts.Format = DiagnosticOptions::Clang; 1088 else if (Format == "msvc") 1089 Opts.Format = DiagnosticOptions::Msvc; 1090 else if (Format == "vi") 1091 Opts.Format = DiagnosticOptions::Vi; 1092 else 1093 Diags.Report(diag::err_drv_invalid_value) 1094 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1095 << Format; 1096 1097 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1098 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1099 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1100 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1101 Opts.MacroBacktraceLimit 1102 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1103 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1104 Opts.TemplateBacktraceLimit 1105 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1106 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1107 Diags); 1108 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1109 DiagnosticOptions::DefaultTabStop, Diags); 1110 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1111 Diags.Report(diag::warn_ignoring_ftabstop_value) 1112 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1113 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1114 } 1115 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1116 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1117 Opts.Warnings = Args.getAllArgValues(OPT_W); 1118 } 1119 1120 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1121 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1122 } 1123 1124 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1125 Diagnostic &Diags) { 1126 using namespace cc1options; 1127 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1128 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1129 switch (A->getOption().getID()) { 1130 default: 1131 assert(0 && "Invalid option in group!"); 1132 case OPT_ast_dump: 1133 Opts.ProgramAction = frontend::ASTDump; break; 1134 case OPT_ast_dump_xml: 1135 Opts.ProgramAction = frontend::ASTDumpXML; break; 1136 case OPT_ast_print: 1137 Opts.ProgramAction = frontend::ASTPrint; break; 1138 case OPT_ast_view: 1139 Opts.ProgramAction = frontend::ASTView; break; 1140 case OPT_boostcon: 1141 Opts.ProgramAction = frontend::BoostCon; break; 1142 case OPT_dump_raw_tokens: 1143 Opts.ProgramAction = frontend::DumpRawTokens; break; 1144 case OPT_dump_tokens: 1145 Opts.ProgramAction = frontend::DumpTokens; break; 1146 case OPT_S: 1147 Opts.ProgramAction = frontend::EmitAssembly; break; 1148 case OPT_emit_llvm_bc: 1149 Opts.ProgramAction = frontend::EmitBC; break; 1150 case OPT_emit_html: 1151 Opts.ProgramAction = frontend::EmitHTML; break; 1152 case OPT_emit_llvm: 1153 Opts.ProgramAction = frontend::EmitLLVM; break; 1154 case OPT_emit_llvm_only: 1155 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1156 case OPT_emit_codegen_only: 1157 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1158 case OPT_emit_obj: 1159 Opts.ProgramAction = frontend::EmitObj; break; 1160 case OPT_fixit_EQ: 1161 Opts.FixItSuffix = A->getValue(Args); 1162 // fall-through! 1163 case OPT_fixit: 1164 Opts.ProgramAction = frontend::FixIt; break; 1165 case OPT_emit_pch: 1166 Opts.ProgramAction = frontend::GeneratePCH; break; 1167 case OPT_emit_pth: 1168 Opts.ProgramAction = frontend::GeneratePTH; break; 1169 case OPT_init_only: 1170 Opts.ProgramAction = frontend::InitOnly; break; 1171 case OPT_fsyntax_only: 1172 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1173 case OPT_print_decl_contexts: 1174 Opts.ProgramAction = frontend::PrintDeclContext; break; 1175 case OPT_print_preamble: 1176 Opts.ProgramAction = frontend::PrintPreamble; break; 1177 case OPT_E: 1178 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1179 case OPT_rewrite_macros: 1180 Opts.ProgramAction = frontend::RewriteMacros; break; 1181 case OPT_rewrite_objc: 1182 Opts.ProgramAction = frontend::RewriteObjC; break; 1183 case OPT_rewrite_test: 1184 Opts.ProgramAction = frontend::RewriteTest; break; 1185 case OPT_analyze: 1186 Opts.ProgramAction = frontend::RunAnalysis; break; 1187 case OPT_Eonly: 1188 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1189 case OPT_create_module: 1190 Opts.ProgramAction = frontend::CreateModule; break; 1191 } 1192 } 1193 1194 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1195 Opts.Plugins.push_back(A->getValue(Args,0)); 1196 Opts.ProgramAction = frontend::PluginAction; 1197 Opts.ActionName = A->getValue(Args); 1198 1199 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1200 end = Args.filtered_end(); it != end; ++it) { 1201 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1202 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1203 } 1204 } 1205 1206 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1207 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1208 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1209 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1210 end = Args.filtered_end(); it != end; ++it) { 1211 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1212 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1213 } 1214 } 1215 1216 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1217 Opts.CodeCompletionAt = 1218 ParsedSourceLocation::FromString(A->getValue(Args)); 1219 if (Opts.CodeCompletionAt.FileName.empty()) 1220 Diags.Report(diag::err_drv_invalid_value) 1221 << A->getAsString(Args) << A->getValue(Args); 1222 } 1223 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1224 1225 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1226 Opts.Plugins = Args.getAllArgValues(OPT_load); 1227 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1228 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1229 Opts.ShowHelp = Args.hasArg(OPT_help); 1230 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1231 Opts.ShowCodePatternsInCodeCompletion 1232 = Args.hasArg(OPT_code_completion_patterns); 1233 Opts.ShowGlobalSymbolsInCodeCompletion 1234 = !Args.hasArg(OPT_no_code_completion_globals); 1235 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1236 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1237 Opts.ShowVersion = Args.hasArg(OPT_version); 1238 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1239 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1240 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1241 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1242 1243 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1244 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1245 OPT_arcmt_modify)) { 1246 switch (A->getOption().getID()) { 1247 default: 1248 llvm_unreachable("missed a case"); 1249 case OPT_arcmt_check: 1250 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1251 break; 1252 case OPT_arcmt_modify: 1253 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1254 break; 1255 } 1256 } 1257 1258 InputKind DashX = IK_None; 1259 if (const Arg *A = Args.getLastArg(OPT_x)) { 1260 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1261 .Case("c", IK_C) 1262 .Case("cl", IK_OpenCL) 1263 .Case("cuda", IK_CUDA) 1264 .Case("c++", IK_CXX) 1265 .Case("objective-c", IK_ObjC) 1266 .Case("objective-c++", IK_ObjCXX) 1267 .Case("cpp-output", IK_PreprocessedC) 1268 .Case("assembler-with-cpp", IK_Asm) 1269 .Case("c++-cpp-output", IK_PreprocessedCXX) 1270 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1271 .Case("objc-cpp-output", IK_PreprocessedObjC) 1272 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1273 .Case("c-header", IK_C) 1274 .Case("objective-c-header", IK_ObjC) 1275 .Case("c++-header", IK_CXX) 1276 .Case("objective-c++-header", IK_ObjCXX) 1277 .Case("ast", IK_AST) 1278 .Case("ir", IK_LLVM_IR) 1279 .Default(IK_None); 1280 if (DashX == IK_None) 1281 Diags.Report(diag::err_drv_invalid_value) 1282 << A->getAsString(Args) << A->getValue(Args); 1283 } 1284 1285 // '-' is the default input if none is given. 1286 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1287 Opts.Inputs.clear(); 1288 if (Inputs.empty()) 1289 Inputs.push_back("-"); 1290 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1291 InputKind IK = DashX; 1292 if (IK == IK_None) { 1293 IK = FrontendOptions::getInputKindForExtension( 1294 llvm::StringRef(Inputs[i]).rsplit('.').second); 1295 // FIXME: Remove this hack. 1296 if (i == 0) 1297 DashX = IK; 1298 } 1299 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1300 } 1301 1302 return DashX; 1303 } 1304 1305 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1306 void *MainAddr) { 1307 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1308 1309 if (!P.isEmpty()) { 1310 P.eraseComponent(); // Remove /clang from foo/bin/clang 1311 P.eraseComponent(); // Remove /bin from foo/bin 1312 1313 // Get foo/lib/clang/<version>/include 1314 P.appendComponent("lib"); 1315 P.appendComponent("clang"); 1316 P.appendComponent(CLANG_VERSION_STRING); 1317 } 1318 1319 return P.str(); 1320 } 1321 1322 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1323 using namespace cc1options; 1324 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1325 Opts.Verbose = Args.hasArg(OPT_v); 1326 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1327 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1328 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1329 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1330 1331 // Add -I... and -F... options in order. 1332 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1333 ie = Args.filtered_end(); it != ie; ++it) 1334 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1335 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1336 1337 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1338 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1339 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1340 OPT_iwithprefixbefore), 1341 ie = Args.filtered_end(); it != ie; ++it) { 1342 const Arg *A = *it; 1343 if (A->getOption().matches(OPT_iprefix)) 1344 Prefix = A->getValue(Args); 1345 else if (A->getOption().matches(OPT_iwithprefix)) 1346 Opts.AddPath(Prefix.str() + A->getValue(Args), 1347 frontend::System, false, false, true); 1348 else 1349 Opts.AddPath(Prefix.str() + A->getValue(Args), 1350 frontend::Angled, false, false, true); 1351 } 1352 1353 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1354 ie = Args.filtered_end(); it != ie; ++it) 1355 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1356 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1357 ie = Args.filtered_end(); it != ie; ++it) 1358 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1359 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1360 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1361 Opts.AddPath((*it)->getValue(Args), 1362 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1363 frontend::CXXSystem : frontend::System), 1364 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1365 1366 // FIXME: Need options for the various environment variables! 1367 } 1368 1369 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1370 LangStandard::Kind LangStd) { 1371 // Set some properties which depend solely on the input kind; it would be nice 1372 // to move these to the language standard, and have the driver resolve the 1373 // input kind + language standard. 1374 if (IK == IK_Asm) { 1375 Opts.AsmPreprocessor = 1; 1376 } else if (IK == IK_ObjC || 1377 IK == IK_ObjCXX || 1378 IK == IK_PreprocessedObjC || 1379 IK == IK_PreprocessedObjCXX) { 1380 Opts.ObjC1 = Opts.ObjC2 = 1; 1381 } 1382 1383 if (LangStd == LangStandard::lang_unspecified) { 1384 // Based on the base language, pick one. 1385 switch (IK) { 1386 case IK_None: 1387 case IK_AST: 1388 case IK_LLVM_IR: 1389 assert(0 && "Invalid input kind!"); 1390 case IK_OpenCL: 1391 LangStd = LangStandard::lang_opencl; 1392 break; 1393 case IK_CUDA: 1394 LangStd = LangStandard::lang_cuda; 1395 break; 1396 case IK_Asm: 1397 case IK_C: 1398 case IK_PreprocessedC: 1399 case IK_ObjC: 1400 case IK_PreprocessedObjC: 1401 LangStd = LangStandard::lang_gnu99; 1402 break; 1403 case IK_CXX: 1404 case IK_PreprocessedCXX: 1405 case IK_ObjCXX: 1406 case IK_PreprocessedObjCXX: 1407 LangStd = LangStandard::lang_gnucxx98; 1408 break; 1409 } 1410 } 1411 1412 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1413 Opts.BCPLComment = Std.hasBCPLComments(); 1414 Opts.C99 = Std.isC99(); 1415 Opts.C1X = Std.isC1X(); 1416 Opts.CPlusPlus = Std.isCPlusPlus(); 1417 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1418 Opts.Digraphs = Std.hasDigraphs(); 1419 Opts.GNUMode = Std.isGNUMode(); 1420 Opts.GNUInline = !Std.isC99(); 1421 Opts.HexFloats = Std.hasHexFloats(); 1422 Opts.ImplicitInt = Std.hasImplicitInt(); 1423 1424 // OpenCL has some additional defaults. 1425 if (LangStd == LangStandard::lang_opencl) { 1426 Opts.OpenCL = 1; 1427 Opts.AltiVec = 1; 1428 Opts.CXXOperatorNames = 1; 1429 Opts.LaxVectorConversions = 1; 1430 Opts.DefaultFPContract = 1; 1431 } 1432 1433 if (LangStd == LangStandard::lang_cuda) 1434 Opts.CUDA = 1; 1435 1436 // OpenCL and C++ both have bool, true, false keywords. 1437 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1438 1439 Opts.GNUKeywords = Opts.GNUMode; 1440 Opts.CXXOperatorNames = Opts.CPlusPlus; 1441 1442 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1443 // is specified, or -std is set to a conforming mode. 1444 Opts.Trigraphs = !Opts.GNUMode; 1445 1446 Opts.DollarIdents = !Opts.AsmPreprocessor; 1447 } 1448 1449 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1450 Diagnostic &Diags) { 1451 // FIXME: Cleanup per-file based stuff. 1452 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1453 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1454 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1455 #define LANGSTANDARD(id, name, desc, features) \ 1456 .Case(name, LangStandard::lang_##id) 1457 #include "clang/Frontend/LangStandards.def" 1458 .Default(LangStandard::lang_unspecified); 1459 if (LangStd == LangStandard::lang_unspecified) 1460 Diags.Report(diag::err_drv_invalid_value) 1461 << A->getAsString(Args) << A->getValue(Args); 1462 else { 1463 // Valid standard, check to make sure language and standard are compatable. 1464 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1465 switch (IK) { 1466 case IK_C: 1467 case IK_ObjC: 1468 case IK_PreprocessedC: 1469 case IK_PreprocessedObjC: 1470 if (!(Std.isC89() || Std.isC99())) 1471 Diags.Report(diag::err_drv_argument_not_allowed_with) 1472 << A->getAsString(Args) << "C/ObjC"; 1473 break; 1474 case IK_CXX: 1475 case IK_ObjCXX: 1476 case IK_PreprocessedCXX: 1477 case IK_PreprocessedObjCXX: 1478 if (!Std.isCPlusPlus()) 1479 Diags.Report(diag::err_drv_argument_not_allowed_with) 1480 << A->getAsString(Args) << "C++/ObjC++"; 1481 break; 1482 case IK_OpenCL: 1483 if (!Std.isC99()) 1484 Diags.Report(diag::err_drv_argument_not_allowed_with) 1485 << A->getAsString(Args) << "OpenCL"; 1486 break; 1487 case IK_CUDA: 1488 if (!Std.isCPlusPlus()) 1489 Diags.Report(diag::err_drv_argument_not_allowed_with) 1490 << A->getAsString(Args) << "CUDA"; 1491 break; 1492 default: 1493 break; 1494 } 1495 } 1496 } 1497 1498 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1499 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1500 Diags.Report(diag::err_drv_invalid_value) 1501 << A->getAsString(Args) << A->getValue(Args); 1502 } 1503 } 1504 1505 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1506 1507 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1508 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1509 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1510 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1511 // name, as it doesn't seem a useful distinction. 1512 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1513 Opts.GNUKeywords); 1514 1515 if (Args.hasArg(OPT_fno_operator_names)) 1516 Opts.CXXOperatorNames = 0; 1517 1518 if (Opts.ObjC1) { 1519 if (Args.hasArg(OPT_fobjc_gc_only)) 1520 Opts.setGCMode(LangOptions::GCOnly); 1521 else if (Args.hasArg(OPT_fobjc_gc)) 1522 Opts.setGCMode(LangOptions::HybridGC); 1523 else if (Args.hasArg(OPT_fobjc_arc)) { 1524 Opts.ObjCAutoRefCount = 1; 1525 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1526 Diags.Report(diag::err_arc_nonfragile_abi); 1527 if (Args.hasArg(OPT_fobjc_no_arc_runtime)) 1528 Opts.ObjCNoAutoRefCountRuntime = 1; 1529 } 1530 1531 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1532 Opts.ObjCInferRelatedResultType = 0; 1533 } 1534 1535 if (Args.hasArg(OPT_fgnu89_inline)) 1536 Opts.GNUInline = 1; 1537 1538 if (Args.hasArg(OPT_fapple_kext)) { 1539 if (!Opts.CPlusPlus) 1540 Diags.Report(diag::warn_c_kext); 1541 else 1542 Opts.AppleKext = 1; 1543 } 1544 1545 if (Args.hasArg(OPT_print_ivar_layout)) 1546 Opts.ObjCGCBitmapPrint = 1; 1547 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1548 Opts.NoConstantCFStrings = 1; 1549 1550 if (Args.hasArg(OPT_faltivec)) 1551 Opts.AltiVec = 1; 1552 1553 if (Args.hasArg(OPT_pthread)) 1554 Opts.POSIXThreads = 1; 1555 1556 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1557 Opts.DelayedTemplateParsing = 1; 1558 1559 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1560 if (Vis == "default") 1561 Opts.setVisibilityMode(DefaultVisibility); 1562 else if (Vis == "hidden") 1563 Opts.setVisibilityMode(HiddenVisibility); 1564 else if (Vis == "protected") 1565 Opts.setVisibilityMode(ProtectedVisibility); 1566 else 1567 Diags.Report(diag::err_drv_invalid_value) 1568 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1569 1570 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1571 Opts.InlineVisibilityHidden = 1; 1572 1573 if (Args.hasArg(OPT_ftrapv)) { 1574 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1575 // Set the handler, if one is specified. 1576 Opts.OverflowHandler = 1577 Args.getLastArgValue(OPT_ftrapv_handler); 1578 } 1579 else if (Args.hasArg(OPT_fwrapv)) 1580 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1581 1582 if (Args.hasArg(OPT_trigraphs)) 1583 Opts.Trigraphs = 1; 1584 1585 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1586 OPT_fno_dollars_in_identifiers, 1587 Opts.DollarIdents); 1588 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1589 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1590 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1591 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1592 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1593 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1594 Opts.ConstStrings); 1595 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1596 Opts.LaxVectorConversions = 0; 1597 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1598 Opts.ThreadsafeStatics = 0; 1599 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1600 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1601 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1602 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1603 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1604 1605 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1606 Opts.Blocks = Args.hasArg(OPT_fblocks); 1607 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1608 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1609 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1610 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1611 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1612 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1613 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1614 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1615 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1616 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1617 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1618 Diags); 1619 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1620 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1621 0, Diags); 1622 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1623 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1624 Opts.ObjCConstantStringClass = 1625 Args.getLastArgValue(OPT_fconstant_string_class); 1626 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1627 if (Opts.ObjCNonFragileABI) 1628 Opts.ObjCNonFragileABI2 = true; 1629 Opts.ObjCDefaultSynthProperties = 1630 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1631 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1632 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1633 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1634 Opts.Static = Args.hasArg(OPT_static_define); 1635 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1636 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1637 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1638 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1639 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1640 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1641 Opts.OptimizeSize = 0; 1642 Opts.MRTD = Args.hasArg(OPT_mrtd); 1643 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1644 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1645 1646 // Record whether the __DEPRECATED define was requested. 1647 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1648 OPT_fno_deprecated_macro, 1649 Opts.Deprecated); 1650 1651 // FIXME: Eliminate this dependency. 1652 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1653 Opts.Optimize = Opt != 0; 1654 1655 // This is the __NO_INLINE__ define, which just depends on things like the 1656 // optimization level and -fno-inline, not actually whether the backend has 1657 // inlining enabled. 1658 // 1659 // FIXME: This is affected by other options (-fno-inline). 1660 Opts.NoInline = !Opt; 1661 1662 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1663 switch (SSP) { 1664 default: 1665 Diags.Report(diag::err_drv_invalid_value) 1666 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1667 break; 1668 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1669 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1670 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1671 } 1672 } 1673 1674 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1675 FileManager &FileMgr, 1676 Diagnostic &Diags) { 1677 using namespace cc1options; 1678 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1679 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1680 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1681 Opts.TokenCache = A->getValue(Args); 1682 else 1683 Opts.TokenCache = Opts.ImplicitPTHInclude; 1684 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1685 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1686 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1687 1688 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1689 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1690 ie = Args.filtered_end(); it != ie; ++it) { 1691 const Arg *A = *it; 1692 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1693 } 1694 1695 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1696 llvm::StringRef Value(A->getValue(Args)); 1697 size_t Comma = Value.find(','); 1698 unsigned Bytes = 0; 1699 unsigned EndOfLine = 0; 1700 1701 if (Comma == llvm::StringRef::npos || 1702 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1703 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1704 Diags.Report(diag::err_drv_preamble_format); 1705 else { 1706 Opts.PrecompiledPreambleBytes.first = Bytes; 1707 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1708 } 1709 } 1710 1711 // Add macros from the command line. 1712 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1713 ie = Args.filtered_end(); it != ie; ++it) { 1714 if ((*it)->getOption().matches(OPT_D)) 1715 Opts.addMacroDef((*it)->getValue(Args)); 1716 else 1717 Opts.addMacroUndef((*it)->getValue(Args)); 1718 } 1719 1720 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1721 1722 // Add the ordered list of -includes. 1723 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1724 OPT_include_pth), 1725 ie = Args.filtered_end(); it != ie; ++it) { 1726 const Arg *A = *it; 1727 // PCH is handled specially, we need to extra the original include path. 1728 if (A->getOption().matches(OPT_include_pch)) { 1729 std::string OriginalFile = 1730 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1731 if (OriginalFile.empty()) 1732 continue; 1733 1734 Opts.Includes.push_back(OriginalFile); 1735 } else 1736 Opts.Includes.push_back(A->getValue(Args)); 1737 } 1738 1739 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1740 ie = Args.filtered_end(); it != ie; ++it) { 1741 const Arg *A = *it; 1742 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1743 } 1744 1745 // Include 'altivec.h' if -faltivec option present 1746 if (Args.hasArg(OPT_faltivec)) 1747 Opts.Includes.push_back("altivec.h"); 1748 1749 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1750 ie = Args.filtered_end(); it != ie; ++it) { 1751 const Arg *A = *it; 1752 std::pair<llvm::StringRef,llvm::StringRef> Split = 1753 llvm::StringRef(A->getValue(Args)).split(';'); 1754 1755 if (Split.second.empty()) { 1756 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1757 continue; 1758 } 1759 1760 Opts.addRemappedFile(Split.first, Split.second); 1761 } 1762 1763 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1764 llvm::StringRef Name = A->getValue(Args); 1765 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1766 .Case("libc++", ARCXX_libcxx) 1767 .Case("libstdc++", ARCXX_libstdcxx) 1768 .Case("none", ARCXX_nolib) 1769 .Default(~0U); 1770 if (Library == ~0U) 1771 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1772 else 1773 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1774 } 1775 } 1776 1777 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1778 ArgList &Args) { 1779 using namespace cc1options; 1780 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1781 Opts.ShowComments = Args.hasArg(OPT_C); 1782 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1783 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1784 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1785 } 1786 1787 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1788 using namespace cc1options; 1789 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1790 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1791 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1792 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1793 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1794 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1795 1796 // Use the host triple if unspecified. 1797 if (Opts.Triple.empty()) 1798 Opts.Triple = llvm::sys::getHostTriple(); 1799 } 1800 1801 // 1802 1803 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1804 const char *const *ArgBegin, 1805 const char *const *ArgEnd, 1806 Diagnostic &Diags) { 1807 // Parse the arguments. 1808 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1809 unsigned MissingArgIndex, MissingArgCount; 1810 llvm::OwningPtr<InputArgList> Args( 1811 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1812 1813 // Check for missing argument error. 1814 if (MissingArgCount) 1815 Diags.Report(diag::err_drv_missing_argument) 1816 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1817 1818 // Issue errors on unknown arguments. 1819 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1820 ie = Args->filtered_end(); it != ie; ++it) 1821 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1822 1823 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1824 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1825 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1826 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1827 // FIXME: We shouldn't have to pass the DashX option around here 1828 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1829 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1830 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1831 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1832 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1833 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1834 Res.getLangOpts().ObjCExceptions = 1; 1835 } 1836 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1837 // PCH file and find the original header name. Remove the need to do that in 1838 // ParsePreprocessorArgs and remove the FileManager 1839 // parameters from the function and the "FileManager.h" #include. 1840 FileManager FileMgr(Res.getFileSystemOpts()); 1841 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1842 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1843 ParseTargetArgs(Res.getTargetOpts(), *Args); 1844 } 1845