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