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 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : llvm::RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44 //===----------------------------------------------------------------------===// 45 // Utility functions. 46 //===----------------------------------------------------------------------===// 47 48 static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54 #include "clang/Frontend/Analyses.def" 55 } 56 } 57 58 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64 #include "clang/Frontend/Analyses.def" 65 } 66 } 67 68 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74 #include "clang/Frontend/Analyses.def" 75 } 76 } 77 78 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis client!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 //===----------------------------------------------------------------------===// 89 // Serialization (to args) 90 //===----------------------------------------------------------------------===// 91 92 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 93 std::vector<std::string> &Res) { 94 if (Opts.ShowCheckerHelp) 95 Res.push_back("-analyzer-checker-help"); 96 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 97 Res.push_back("-analyzer-store"); 98 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 99 } 100 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 101 Res.push_back("-analyzer-constraints"); 102 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 103 } 104 if (Opts.AnalysisDiagOpt != PD_HTML) { 105 Res.push_back("-analyzer-output"); 106 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 107 } 108 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 109 Res.push_back("-analyzer-purge"); 110 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 111 } 112 if (!Opts.AnalyzeSpecificFunction.empty()) { 113 Res.push_back("-analyze-function"); 114 Res.push_back(Opts.AnalyzeSpecificFunction); 115 } 116 if (Opts.AnalyzeAll) 117 Res.push_back("-analyzer-opt-analyze-headers"); 118 if (Opts.AnalyzerDisplayProgress) 119 Res.push_back("-analyzer-display-progress"); 120 if (Opts.AnalyzeNestedBlocks) 121 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 122 if (Opts.EagerlyAssume) 123 Res.push_back("-analyzer-eagerly-assume"); 124 if (Opts.TrimGraph) 125 Res.push_back("-trim-egraph"); 126 if (Opts.VisualizeEGDot) 127 Res.push_back("-analyzer-viz-egraph-graphviz"); 128 if (Opts.VisualizeEGUbi) 129 Res.push_back("-analyzer-viz-egraph-ubigraph"); 130 131 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 132 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 133 if (opt.second) 134 Res.push_back("-analyzer-disable-checker"); 135 else 136 Res.push_back("-analyzer-checker"); 137 Res.push_back(opt.first); 138 } 139 } 140 141 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 142 std::vector<std::string> &Res) { 143 if (Opts.DebugInfo) 144 Res.push_back("-g"); 145 if (Opts.DisableLLVMOpts) 146 Res.push_back("-disable-llvm-optzns"); 147 if (Opts.DisableRedZone) 148 Res.push_back("-disable-red-zone"); 149 if (Opts.DisableTailCalls) 150 Res.push_back("-mdisable-tail-calls"); 151 if (!Opts.DebugCompilationDir.empty()) { 152 Res.push_back("-fdebug-compilation-dir"); 153 Res.push_back(Opts.DebugCompilationDir); 154 } 155 if (!Opts.DwarfDebugFlags.empty()) { 156 Res.push_back("-dwarf-debug-flags"); 157 Res.push_back(Opts.DwarfDebugFlags); 158 } 159 if (Opts.ObjCRuntimeHasARC) 160 Res.push_back("-fobjc-runtime-has-arc"); 161 if (Opts.ObjCRuntimeHasTerminate) 162 Res.push_back("-fobjc-runtime-has-terminate"); 163 if (Opts.EmitGcovArcs) 164 Res.push_back("-femit-coverage-data"); 165 if (Opts.EmitGcovNotes) 166 Res.push_back("-femit-coverage-notes"); 167 if (!Opts.MergeAllConstants) 168 Res.push_back("-fno-merge-all-constants"); 169 if (Opts.NoCommon) 170 Res.push_back("-fno-common"); 171 if (Opts.ForbidGuardVariables) 172 Res.push_back("-fforbid-guard-variables"); 173 if (Opts.UseRegisterSizedBitfieldAccess) 174 Res.push_back("-fuse-register-sized-bitfield-access"); 175 if (Opts.NoImplicitFloat) 176 Res.push_back("-no-implicit-float"); 177 if (Opts.OmitLeafFramePointer) 178 Res.push_back("-momit-leaf-frame-pointer"); 179 if (Opts.OptimizeSize) { 180 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 181 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 182 } else if (Opts.OptimizationLevel != 0) 183 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 184 if (!Opts.MainFileName.empty()) { 185 Res.push_back("-main-file-name"); 186 Res.push_back(Opts.MainFileName); 187 } 188 if (Opts.NoInfsFPMath) 189 Res.push_back("-menable-no-infinities"); 190 if (Opts.NoNaNsFPMath) 191 Res.push_back("-menable-no-nans"); 192 // SimplifyLibCalls is only derived. 193 // TimePasses is only derived. 194 // UnitAtATime is unused. 195 // Inlining is only derived. 196 197 // UnrollLoops is derived, but also accepts an option, no 198 // harm in pushing it back here. 199 if (Opts.UnrollLoops) 200 Res.push_back("-funroll-loops"); 201 if (Opts.DataSections) 202 Res.push_back("-fdata-sections"); 203 if (Opts.FunctionSections) 204 Res.push_back("-ffunction-sections"); 205 if (Opts.AsmVerbose) 206 Res.push_back("-masm-verbose"); 207 if (!Opts.CodeModel.empty()) { 208 Res.push_back("-mcode-model"); 209 Res.push_back(Opts.CodeModel); 210 } 211 if (Opts.CUDAIsDevice) 212 Res.push_back("-fcuda-is-device"); 213 if (!Opts.CXAAtExit) 214 Res.push_back("-fno-use-cxa-atexit"); 215 if (Opts.CXXCtorDtorAliases) 216 Res.push_back("-mconstructor-aliases"); 217 if (Opts.ObjCAutoRefCountExceptions) 218 Res.push_back("-fobjc-arc-eh"); 219 if (!Opts.DebugPass.empty()) { 220 Res.push_back("-mdebug-pass"); 221 Res.push_back(Opts.DebugPass); 222 } 223 if (Opts.DisableFPElim) 224 Res.push_back("-mdisable-fp-elim"); 225 if (!Opts.FloatABI.empty()) { 226 Res.push_back("-mfloat-abi"); 227 Res.push_back(Opts.FloatABI); 228 } 229 if (!Opts.LimitFloatPrecision.empty()) { 230 Res.push_back("-mlimit-float-precision"); 231 Res.push_back(Opts.LimitFloatPrecision); 232 } 233 if (Opts.NoZeroInitializedInBSS) 234 Res.push_back("-mno-zero-initialized-bss"); 235 switch (Opts.getObjCDispatchMethod()) { 236 case CodeGenOptions::Legacy: 237 break; 238 case CodeGenOptions::Mixed: 239 Res.push_back("-fobjc-dispatch-method=mixed"); 240 break; 241 case CodeGenOptions::NonLegacy: 242 Res.push_back("-fobjc-dispatch-method=non-legacy"); 243 break; 244 } 245 if (Opts.NumRegisterParameters) { 246 Res.push_back("-mregparm"); 247 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 248 } 249 if (Opts.NoGlobalMerge) 250 Res.push_back("-mno-global-merge"); 251 if (Opts.NoExecStack) 252 Res.push_back("-mnoexecstack"); 253 if (Opts.RelaxAll) 254 Res.push_back("-mrelax-all"); 255 if (Opts.SaveTempLabels) 256 Res.push_back("-msave-temp-labels"); 257 if (Opts.NoDwarf2CFIAsm) 258 Res.push_back("-fno-dwarf2-cfi-asm"); 259 if (Opts.NoDwarfDirectoryAsm) 260 Res.push_back("-fno-dwarf-directory-asm"); 261 if (Opts.SoftFloat) 262 Res.push_back("-msoft-float"); 263 if (Opts.UnwindTables) 264 Res.push_back("-munwind-tables"); 265 if (Opts.RelocationModel != "pic") { 266 Res.push_back("-mrelocation-model"); 267 Res.push_back(Opts.RelocationModel); 268 } 269 if (!Opts.VerifyModule) 270 Res.push_back("-disable-llvm-verifier"); 271 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 272 Res.push_back("-backend-option"); 273 Res.push_back(Opts.BackendOptions[i]); 274 } 275 } 276 277 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 278 std::vector<std::string> &Res) { 279 if (Opts.IncludeSystemHeaders) 280 Res.push_back("-sys-header-deps"); 281 if (Opts.ShowHeaderIncludes) 282 Res.push_back("-H"); 283 if (!Opts.HeaderIncludeOutputFile.empty()) { 284 Res.push_back("-header-include-file"); 285 Res.push_back(Opts.HeaderIncludeOutputFile); 286 } 287 if (Opts.UsePhonyTargets) 288 Res.push_back("-MP"); 289 if (!Opts.OutputFile.empty()) { 290 Res.push_back("-dependency-file"); 291 Res.push_back(Opts.OutputFile); 292 } 293 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 294 Res.push_back("-MT"); 295 Res.push_back(Opts.Targets[i]); 296 } 297 } 298 299 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 300 std::vector<std::string> &Res) { 301 if (Opts.IgnoreWarnings) 302 Res.push_back("-w"); 303 if (Opts.NoRewriteMacros) 304 Res.push_back("-Wno-rewrite-macros"); 305 if (Opts.Pedantic) 306 Res.push_back("-pedantic"); 307 if (Opts.PedanticErrors) 308 Res.push_back("-pedantic-errors"); 309 if (!Opts.ShowColumn) 310 Res.push_back("-fno-show-column"); 311 if (!Opts.ShowLocation) 312 Res.push_back("-fno-show-source-location"); 313 if (!Opts.ShowCarets) 314 Res.push_back("-fno-caret-diagnostics"); 315 if (!Opts.ShowFixits) 316 Res.push_back("-fno-diagnostics-fixit-info"); 317 if (Opts.ShowSourceRanges) 318 Res.push_back("-fdiagnostics-print-source-range-info"); 319 if (Opts.ShowParseableFixits) 320 Res.push_back("-fdiagnostics-parseable-fixits"); 321 if (Opts.ShowColors) 322 Res.push_back("-fcolor-diagnostics"); 323 if (Opts.VerifyDiagnostics) 324 Res.push_back("-verify"); 325 if (Opts.ShowNames) 326 Res.push_back("-fdiagnostics-show-name"); 327 if (Opts.ShowOptionNames) 328 Res.push_back("-fdiagnostics-show-option"); 329 if (Opts.ShowCategories == 1) 330 Res.push_back("-fdiagnostics-show-category=id"); 331 else if (Opts.ShowCategories == 2) 332 Res.push_back("-fdiagnostics-show-category=name"); 333 switch (Opts.Format) { 334 case DiagnosticOptions::Clang: 335 Res.push_back("-fdiagnostics-format=clang"); break; 336 case DiagnosticOptions::Msvc: 337 Res.push_back("-fdiagnostics-format=msvc"); break; 338 case DiagnosticOptions::Vi: 339 Res.push_back("-fdiagnostics-format=vi"); break; 340 } 341 if (Opts.ErrorLimit) { 342 Res.push_back("-ferror-limit"); 343 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 344 } 345 if (!Opts.DiagnosticLogFile.empty()) { 346 Res.push_back("-diagnostic-log-file"); 347 Res.push_back(Opts.DiagnosticLogFile); 348 } 349 if (Opts.MacroBacktraceLimit 350 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 351 Res.push_back("-fmacro-backtrace-limit"); 352 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 353 } 354 if (Opts.TemplateBacktraceLimit 355 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 356 Res.push_back("-ftemplate-backtrace-limit"); 357 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 358 } 359 if (Opts.ConstexprBacktraceLimit 360 != DiagnosticOptions::DefaultConstexprBacktraceLimit) { 361 Res.push_back("-fconstexpr-backtrace-limit"); 362 Res.push_back(llvm::utostr(Opts.ConstexprBacktraceLimit)); 363 } 364 365 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 366 Res.push_back("-ftabstop"); 367 Res.push_back(llvm::utostr(Opts.TabStop)); 368 } 369 if (Opts.MessageLength) { 370 Res.push_back("-fmessage-length"); 371 Res.push_back(llvm::utostr(Opts.MessageLength)); 372 } 373 if (!Opts.DumpBuildInformation.empty()) { 374 Res.push_back("-dump-build-information"); 375 Res.push_back(Opts.DumpBuildInformation); 376 } 377 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 378 Res.push_back("-W" + Opts.Warnings[i]); 379 } 380 381 static const char *getInputKindName(InputKind Kind) { 382 switch (Kind) { 383 case IK_None: break; 384 case IK_AST: return "ast"; 385 case IK_Asm: return "assembler-with-cpp"; 386 case IK_C: return "c"; 387 case IK_CXX: return "c++"; 388 case IK_LLVM_IR: return "ir"; 389 case IK_ObjC: return "objective-c"; 390 case IK_ObjCXX: return "objective-c++"; 391 case IK_OpenCL: return "cl"; 392 case IK_CUDA: return "cuda"; 393 case IK_PreprocessedC: return "cpp-output"; 394 case IK_PreprocessedCXX: return "c++-cpp-output"; 395 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 396 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 397 } 398 399 llvm_unreachable("Unexpected language kind!"); 400 } 401 402 static const char *getActionName(frontend::ActionKind Kind) { 403 switch (Kind) { 404 case frontend::PluginAction: 405 llvm_unreachable("Invalid kind!"); 406 407 case frontend::ASTDump: return "-ast-dump"; 408 case frontend::ASTDumpXML: return "-ast-dump-xml"; 409 case frontend::ASTPrint: return "-ast-print"; 410 case frontend::ASTView: return "-ast-view"; 411 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 412 case frontend::DumpTokens: return "-dump-tokens"; 413 case frontend::EmitAssembly: return "-S"; 414 case frontend::EmitBC: return "-emit-llvm-bc"; 415 case frontend::EmitHTML: return "-emit-html"; 416 case frontend::EmitLLVM: return "-emit-llvm"; 417 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 418 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 419 case frontend::EmitObj: return "-emit-obj"; 420 case frontend::FixIt: return "-fixit"; 421 case frontend::GenerateModule: return "-emit-module"; 422 case frontend::GeneratePCH: return "-emit-pch"; 423 case frontend::GeneratePTH: return "-emit-pth"; 424 case frontend::InitOnly: return "-init-only"; 425 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 426 case frontend::PrintDeclContext: return "-print-decl-contexts"; 427 case frontend::PrintPreamble: return "-print-preamble"; 428 case frontend::PrintPreprocessedInput: return "-E"; 429 case frontend::RewriteMacros: return "-rewrite-macros"; 430 case frontend::RewriteObjC: return "-rewrite-objc"; 431 case frontend::RewriteTest: return "-rewrite-test"; 432 case frontend::RunAnalysis: return "-analyze"; 433 case frontend::RunPreprocessorOnly: return "-Eonly"; 434 } 435 436 llvm_unreachable("Unexpected language kind!"); 437 } 438 439 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 440 std::vector<std::string> &Res) { 441 if (!Opts.WorkingDir.empty()) { 442 Res.push_back("-working-directory"); 443 Res.push_back(Opts.WorkingDir); 444 } 445 } 446 447 static void FrontendOptsToArgs(const FrontendOptions &Opts, 448 std::vector<std::string> &Res) { 449 if (Opts.DisableFree) 450 Res.push_back("-disable-free"); 451 if (Opts.RelocatablePCH) 452 Res.push_back("-relocatable-pch"); 453 if (Opts.ShowHelp) 454 Res.push_back("-help"); 455 if (Opts.ShowMacrosInCodeCompletion) 456 Res.push_back("-code-completion-macros"); 457 if (Opts.ShowCodePatternsInCodeCompletion) 458 Res.push_back("-code-completion-patterns"); 459 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 460 Res.push_back("-no-code-completion-globals"); 461 if (Opts.ShowStats) 462 Res.push_back("-print-stats"); 463 if (Opts.ShowTimers) 464 Res.push_back("-ftime-report"); 465 if (Opts.ShowVersion) 466 Res.push_back("-version"); 467 if (Opts.FixWhatYouCan) 468 Res.push_back("-fix-what-you-can"); 469 if (Opts.FixOnlyWarnings) 470 Res.push_back("-fix-only-warnings"); 471 if (Opts.FixAndRecompile) 472 Res.push_back("-fixit-recompile"); 473 if (Opts.FixToTemporaries) 474 Res.push_back("-fixit-to-temporary"); 475 switch (Opts.ARCMTAction) { 476 case FrontendOptions::ARCMT_None: 477 break; 478 case FrontendOptions::ARCMT_Check: 479 Res.push_back("-arcmt-check"); 480 break; 481 case FrontendOptions::ARCMT_Modify: 482 Res.push_back("-arcmt-modify"); 483 break; 484 case FrontendOptions::ARCMT_Migrate: 485 Res.push_back("-arcmt-migrate"); 486 break; 487 } 488 if (!Opts.ARCMTMigrateDir.empty()) { 489 Res.push_back("-arcmt-migrate-directory"); 490 Res.push_back(Opts.ARCMTMigrateDir); 491 } 492 if (!Opts.ARCMTMigrateReportOut.empty()) { 493 Res.push_back("-arcmt-migrate-report-output"); 494 Res.push_back(Opts.ARCMTMigrateReportOut); 495 } 496 if (Opts.ARCMTMigrateEmitARCErrors) 497 Res.push_back("-arcmt-migrate-emit-errors"); 498 499 bool NeedLang = false; 500 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 501 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 502 Opts.Inputs[i].Kind) 503 NeedLang = true; 504 if (NeedLang) { 505 Res.push_back("-x"); 506 Res.push_back(getInputKindName(Opts.Inputs[0].Kind)); 507 } 508 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 509 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 510 "Unable to represent this input vector!"); 511 Res.push_back(Opts.Inputs[i].File); 512 } 513 514 if (!Opts.OutputFile.empty()) { 515 Res.push_back("-o"); 516 Res.push_back(Opts.OutputFile); 517 } 518 if (!Opts.CodeCompletionAt.FileName.empty()) { 519 Res.push_back("-code-completion-at"); 520 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 521 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 522 llvm::utostr(Opts.CodeCompletionAt.Column)); 523 } 524 if (Opts.ProgramAction != frontend::PluginAction) 525 Res.push_back(getActionName(Opts.ProgramAction)); 526 if (!Opts.ActionName.empty()) { 527 Res.push_back("-plugin"); 528 Res.push_back(Opts.ActionName); 529 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 530 Res.push_back("-plugin-arg-" + Opts.ActionName); 531 Res.push_back(Opts.PluginArgs[i]); 532 } 533 } 534 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 535 Res.push_back("-load"); 536 Res.push_back(Opts.Plugins[i]); 537 } 538 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 539 Res.push_back("-add-plugin"); 540 Res.push_back(Opts.AddPluginActions[i]); 541 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 542 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 543 Res.push_back(Opts.AddPluginArgs[i][ai]); 544 } 545 } 546 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 547 Res.push_back("-ast-merge"); 548 Res.push_back(Opts.ASTMergeFiles[i]); 549 } 550 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 551 Res.push_back("-mllvm"); 552 Res.push_back(Opts.LLVMArgs[i]); 553 } 554 if (!Opts.OverrideRecordLayoutsFile.empty()) 555 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 556 } 557 558 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 559 std::vector<std::string> &Res) { 560 if (Opts.Sysroot != "/") { 561 Res.push_back("-isysroot"); 562 Res.push_back(Opts.Sysroot); 563 } 564 565 /// User specified include entries. 566 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 567 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 568 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 569 llvm::report_fatal_error("Invalid option set!"); 570 if (E.IsUserSupplied) { 571 switch (E.Group) { 572 case frontend::After: 573 Res.push_back("-idirafter"); 574 break; 575 576 case frontend::Quoted: 577 Res.push_back("-iquote"); 578 break; 579 580 case frontend::System: 581 Res.push_back("-isystem"); 582 break; 583 584 case frontend::IndexHeaderMap: 585 Res.push_back("-index-header-map"); 586 Res.push_back(E.IsFramework? "-F" : "-I"); 587 break; 588 589 case frontend::CSystem: 590 Res.push_back("-c-isystem"); 591 break; 592 593 case frontend::CXXSystem: 594 Res.push_back("-cxx-isystem"); 595 break; 596 597 case frontend::ObjCSystem: 598 Res.push_back("-objc-isystem"); 599 break; 600 601 case frontend::ObjCXXSystem: 602 Res.push_back("-objcxx-isystem"); 603 break; 604 605 case frontend::Angled: 606 Res.push_back(E.IsFramework ? "-F" : "-I"); 607 break; 608 } 609 } else { 610 if (E.IsInternal) { 611 assert(E.Group == frontend::System && "Unexpected header search group"); 612 if (E.ImplicitExternC) 613 Res.push_back("-internal-externc-isystem"); 614 else 615 Res.push_back("-internal-isystem"); 616 } else { 617 if (E.Group != frontend::Angled && E.Group != frontend::System) 618 llvm::report_fatal_error("Invalid option set!"); 619 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 620 "-iwithprefix"); 621 } 622 } 623 Res.push_back(E.Path); 624 } 625 626 if (!Opts.ResourceDir.empty()) { 627 Res.push_back("-resource-dir"); 628 Res.push_back(Opts.ResourceDir); 629 } 630 if (!Opts.ModuleCachePath.empty()) { 631 Res.push_back("-fmodule-cache-path"); 632 Res.push_back(Opts.ModuleCachePath); 633 } 634 if (!Opts.UseStandardSystemIncludes) 635 Res.push_back("-nostdsysteminc"); 636 if (!Opts.UseStandardCXXIncludes) 637 Res.push_back("-nostdinc++"); 638 if (Opts.UseLibcxx) 639 Res.push_back("-stdlib=libc++"); 640 if (Opts.Verbose) 641 Res.push_back("-v"); 642 } 643 644 static void LangOptsToArgs(const LangOptions &Opts, 645 std::vector<std::string> &Res) { 646 LangOptions DefaultLangOpts; 647 648 // FIXME: Need to set -std to get all the implicit options. 649 650 // FIXME: We want to only pass options relative to the defaults, which 651 // requires constructing a target. :( 652 // 653 // It would be better to push the all target specific choices into the driver, 654 // so that everything below that was more uniform. 655 656 if (Opts.Trigraphs) 657 Res.push_back("-trigraphs"); 658 // Implicit based on the input kind: 659 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 660 // Implicit based on the input language standard: 661 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 662 if (Opts.DollarIdents) 663 Res.push_back("-fdollars-in-identifiers"); 664 if (Opts.GNUMode && !Opts.GNUKeywords) 665 Res.push_back("-fno-gnu-keywords"); 666 if (!Opts.GNUMode && Opts.GNUKeywords) 667 Res.push_back("-fgnu-keywords"); 668 if (Opts.MicrosoftExt) 669 Res.push_back("-fms-extensions"); 670 if (Opts.MicrosoftMode) 671 Res.push_back("-fms-compatibility"); 672 if (Opts.MSCVersion != 0) 673 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 674 if (Opts.Borland) 675 Res.push_back("-fborland-extensions"); 676 if (!Opts.ObjCNonFragileABI) 677 Res.push_back("-fobjc-fragile-abi"); 678 if (Opts.ObjCDefaultSynthProperties) 679 Res.push_back("-fobjc-default-synthesize-properties"); 680 // NoInline is implicit. 681 if (!Opts.CXXOperatorNames) 682 Res.push_back("-fno-operator-names"); 683 if (Opts.PascalStrings) 684 Res.push_back("-fpascal-strings"); 685 if (Opts.CatchUndefined) 686 Res.push_back("-fcatch-undefined-behavior"); 687 if (Opts.AddressSanitizer) 688 Res.push_back("-faddress-sanitizer"); 689 if (Opts.WritableStrings) 690 Res.push_back("-fwritable-strings"); 691 if (Opts.ConstStrings) 692 Res.push_back("-fconst-strings"); 693 if (!Opts.LaxVectorConversions) 694 Res.push_back("-fno-lax-vector-conversions"); 695 if (Opts.AltiVec) 696 Res.push_back("-faltivec"); 697 if (Opts.Exceptions) 698 Res.push_back("-fexceptions"); 699 if (Opts.ObjCExceptions) 700 Res.push_back("-fobjc-exceptions"); 701 if (Opts.CXXExceptions) 702 Res.push_back("-fcxx-exceptions"); 703 if (Opts.SjLjExceptions) 704 Res.push_back("-fsjlj-exceptions"); 705 if (Opts.TraditionalCPP) 706 Res.push_back("-traditional-cpp"); 707 if (!Opts.RTTI) 708 Res.push_back("-fno-rtti"); 709 if (Opts.MSBitfields) 710 Res.push_back("-mms-bitfields"); 711 if (!Opts.NeXTRuntime) 712 Res.push_back("-fgnu-runtime"); 713 if (Opts.Freestanding) 714 Res.push_back("-ffreestanding"); 715 if (Opts.NoBuiltin) 716 Res.push_back("-fno-builtin"); 717 if (!Opts.AssumeSaneOperatorNew) 718 Res.push_back("-fno-assume-sane-operator-new"); 719 if (!Opts.ThreadsafeStatics) 720 Res.push_back("-fno-threadsafe-statics"); 721 if (Opts.POSIXThreads) 722 Res.push_back("-pthread"); 723 if (Opts.Blocks) 724 Res.push_back("-fblocks"); 725 if (Opts.BlocksRuntimeOptional) 726 Res.push_back("-fblocks-runtime-optional"); 727 if (Opts.Modules) 728 Res.push_back("-fmodules"); 729 if (Opts.EmitAllDecls) 730 Res.push_back("-femit-all-decls"); 731 if (Opts.MathErrno) 732 Res.push_back("-fmath-errno"); 733 switch (Opts.getSignedOverflowBehavior()) { 734 case LangOptions::SOB_Undefined: break; 735 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 736 case LangOptions::SOB_Trapping: 737 Res.push_back("-ftrapv"); 738 if (!Opts.OverflowHandler.empty()) { 739 Res.push_back("-ftrapv-handler"); 740 Res.push_back(Opts.OverflowHandler); 741 } 742 break; 743 } 744 if (Opts.HeinousExtensions) 745 Res.push_back("-fheinous-gnu-extensions"); 746 // Optimize is implicit. 747 // OptimizeSize is implicit. 748 if (Opts.FastMath) 749 Res.push_back("-ffast-math"); 750 if (Opts.Static) 751 Res.push_back("-static-define"); 752 if (Opts.DumpRecordLayoutsSimple) 753 Res.push_back("-fdump-record-layouts-simple"); 754 else if (Opts.DumpRecordLayouts) 755 Res.push_back("-fdump-record-layouts"); 756 if (Opts.DumpVTableLayouts) 757 Res.push_back("-fdump-vtable-layouts"); 758 if (Opts.NoBitFieldTypeAlign) 759 Res.push_back("-fno-bitfield-type-alignment"); 760 if (Opts.PICLevel) { 761 Res.push_back("-pic-level"); 762 Res.push_back(llvm::utostr(Opts.PICLevel)); 763 } 764 if (Opts.ObjCGCBitmapPrint) 765 Res.push_back("-print-ivar-layout"); 766 if (Opts.NoConstantCFStrings) 767 Res.push_back("-fno-constant-cfstrings"); 768 if (!Opts.AccessControl) 769 Res.push_back("-fno-access-control"); 770 if (!Opts.CharIsSigned) 771 Res.push_back("-fno-signed-char"); 772 if (Opts.ShortWChar) 773 Res.push_back("-fshort-wchar"); 774 if (!Opts.ElideConstructors) 775 Res.push_back("-fno-elide-constructors"); 776 if (Opts.getGC() != LangOptions::NonGC) { 777 if (Opts.getGC() == LangOptions::HybridGC) { 778 Res.push_back("-fobjc-gc"); 779 } else { 780 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 781 Res.push_back("-fobjc-gc-only"); 782 } 783 } 784 if (Opts.ObjCAutoRefCount) 785 Res.push_back("-fobjc-arc"); 786 if (Opts.ObjCRuntimeHasWeak) 787 Res.push_back("-fobjc-runtime-has-weak"); 788 if (!Opts.ObjCInferRelatedResultType) 789 Res.push_back("-fno-objc-infer-related-result-type"); 790 791 if (Opts.AppleKext) 792 Res.push_back("-fapple-kext"); 793 794 if (Opts.getVisibilityMode() != DefaultVisibility) { 795 Res.push_back("-fvisibility"); 796 if (Opts.getVisibilityMode() == HiddenVisibility) { 797 Res.push_back("hidden"); 798 } else { 799 assert(Opts.getVisibilityMode() == ProtectedVisibility && 800 "Invalid visibility!"); 801 Res.push_back("protected"); 802 } 803 } 804 if (Opts.InlineVisibilityHidden) 805 Res.push_back("-fvisibility-inlines-hidden"); 806 807 if (Opts.getStackProtector() != 0) { 808 Res.push_back("-stack-protector"); 809 Res.push_back(llvm::utostr(Opts.getStackProtector())); 810 } 811 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 812 Res.push_back("-ftemplate-depth"); 813 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 814 } 815 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 816 Res.push_back("-fconstexpr-depth"); 817 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 818 } 819 if (!Opts.ObjCConstantStringClass.empty()) { 820 Res.push_back("-fconstant-string-class"); 821 Res.push_back(Opts.ObjCConstantStringClass); 822 } 823 if (Opts.FakeAddressSpaceMap) 824 Res.push_back("-ffake-address-space-map"); 825 if (Opts.ParseUnknownAnytype) 826 Res.push_back("-funknown-anytype"); 827 if (Opts.DebuggerSupport) 828 Res.push_back("-fdebugger-support"); 829 if (Opts.DelayedTemplateParsing) 830 Res.push_back("-fdelayed-template-parsing"); 831 if (Opts.Deprecated) 832 Res.push_back("-fdeprecated-macro"); 833 if (Opts.ApplePragmaPack) 834 Res.push_back("-fapple-pragma-pack"); 835 if (!Opts.CurrentModule.empty()) 836 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 837 } 838 839 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 840 std::vector<std::string> &Res) { 841 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 842 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 843 Opts.Macros[i].first); 844 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 845 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 846 Res.push_back("-include"); 847 Res.push_back(Opts.Includes[i]); 848 } 849 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 850 Res.push_back("-imacros"); 851 Res.push_back(Opts.MacroIncludes[i]); 852 } 853 if (!Opts.UsePredefines) 854 Res.push_back("-undef"); 855 if (Opts.DetailedRecord) 856 Res.push_back("-detailed-preprocessing-record"); 857 if (!Opts.ImplicitPCHInclude.empty()) { 858 Res.push_back("-include-pch"); 859 Res.push_back(Opts.ImplicitPCHInclude); 860 } 861 if (!Opts.ImplicitPTHInclude.empty()) { 862 Res.push_back("-include-pth"); 863 Res.push_back(Opts.ImplicitPTHInclude); 864 } 865 if (!Opts.TokenCache.empty()) { 866 if (Opts.ImplicitPTHInclude.empty()) { 867 Res.push_back("-token-cache"); 868 Res.push_back(Opts.TokenCache); 869 } else 870 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 871 "Unsupported option combination!"); 872 } 873 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 874 Res.push_back("-chain-include"); 875 Res.push_back(Opts.ChainedIncludes[i]); 876 } 877 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 878 Res.push_back("-remap-file"); 879 Res.push_back(Opts.RemappedFiles[i].first + ";" + 880 Opts.RemappedFiles[i].second); 881 } 882 } 883 884 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 885 std::vector<std::string> &Res) { 886 if (!Opts.ShowCPP && !Opts.ShowMacros) 887 llvm::report_fatal_error("Invalid option combination!"); 888 889 if (Opts.ShowCPP && Opts.ShowMacros) 890 Res.push_back("-dD"); 891 else if (!Opts.ShowCPP && Opts.ShowMacros) 892 Res.push_back("-dM"); 893 894 if (!Opts.ShowLineMarkers) 895 Res.push_back("-P"); 896 if (Opts.ShowComments) 897 Res.push_back("-C"); 898 if (Opts.ShowMacroComments) 899 Res.push_back("-CC"); 900 } 901 902 static void TargetOptsToArgs(const TargetOptions &Opts, 903 std::vector<std::string> &Res) { 904 Res.push_back("-triple"); 905 Res.push_back(Opts.Triple); 906 if (!Opts.CPU.empty()) { 907 Res.push_back("-target-cpu"); 908 Res.push_back(Opts.CPU); 909 } 910 if (!Opts.ABI.empty()) { 911 Res.push_back("-target-abi"); 912 Res.push_back(Opts.ABI); 913 } 914 if (!Opts.LinkerVersion.empty()) { 915 Res.push_back("-target-linker-version"); 916 Res.push_back(Opts.LinkerVersion); 917 } 918 if (!Opts.CXXABI.empty()) { 919 Res.push_back("-cxx-abi"); 920 Res.push_back(Opts.CXXABI); 921 } 922 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 923 Res.push_back("-target-feature"); 924 Res.push_back(Opts.Features[i]); 925 } 926 } 927 928 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 929 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 930 CodeGenOptsToArgs(getCodeGenOpts(), Res); 931 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 932 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 933 FileSystemOptsToArgs(getFileSystemOpts(), Res); 934 FrontendOptsToArgs(getFrontendOpts(), Res); 935 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 936 LangOptsToArgs(*getLangOpts(), Res); 937 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 938 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 939 TargetOptsToArgs(getTargetOpts(), Res); 940 } 941 942 //===----------------------------------------------------------------------===// 943 // Deserialization (to args) 944 //===----------------------------------------------------------------------===// 945 946 using namespace clang::driver; 947 using namespace clang::driver::cc1options; 948 949 // 950 951 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 952 DiagnosticsEngine &Diags) { 953 unsigned DefaultOpt = 0; 954 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 955 DefaultOpt = 2; 956 // -Os/-Oz implies -O2 957 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 958 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 959 } 960 961 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 962 DiagnosticsEngine &Diags) { 963 using namespace cc1options; 964 bool Success = true; 965 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 966 StringRef Name = A->getValue(Args); 967 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 968 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 969 .Case(CMDFLAG, NAME##Model) 970 #include "clang/Frontend/Analyses.def" 971 .Default(NumStores); 972 if (Value == NumStores) { 973 Diags.Report(diag::err_drv_invalid_value) 974 << A->getAsString(Args) << Name; 975 Success = false; 976 } else { 977 Opts.AnalysisStoreOpt = Value; 978 } 979 } 980 981 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 982 StringRef Name = A->getValue(Args); 983 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 984 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 985 .Case(CMDFLAG, NAME##Model) 986 #include "clang/Frontend/Analyses.def" 987 .Default(NumConstraints); 988 if (Value == NumConstraints) { 989 Diags.Report(diag::err_drv_invalid_value) 990 << A->getAsString(Args) << Name; 991 Success = false; 992 } else { 993 Opts.AnalysisConstraintsOpt = Value; 994 } 995 } 996 997 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 998 StringRef Name = A->getValue(Args); 999 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1000 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1001 .Case(CMDFLAG, PD_##NAME) 1002 #include "clang/Frontend/Analyses.def" 1003 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1004 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1005 Diags.Report(diag::err_drv_invalid_value) 1006 << A->getAsString(Args) << Name; 1007 Success = false; 1008 } else { 1009 Opts.AnalysisDiagOpt = Value; 1010 } 1011 } 1012 1013 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1014 StringRef Name = A->getValue(Args); 1015 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1016 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1017 .Case(CMDFLAG, NAME) 1018 #include "clang/Frontend/Analyses.def" 1019 .Default(NumPurgeModes); 1020 if (Value == NumPurgeModes) { 1021 Diags.Report(diag::err_drv_invalid_value) 1022 << A->getAsString(Args) << Name; 1023 Success = false; 1024 } else { 1025 Opts.AnalysisPurgeOpt = Value; 1026 } 1027 } 1028 1029 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1030 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1031 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1032 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1033 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1034 Opts.AnalyzeNestedBlocks = 1035 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1036 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1037 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1038 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1039 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1040 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1041 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1042 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1043 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1044 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1045 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1046 1047 Opts.CheckersControlList.clear(); 1048 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1049 OPT_analyzer_disable_checker), 1050 ie = Args.filtered_end(); it != ie; ++it) { 1051 const Arg *A = *it; 1052 A->claim(); 1053 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1054 // We can have a list of comma separated checker names, e.g: 1055 // '-analyzer-checker=cocoa,unix' 1056 StringRef checkerList = A->getValue(Args); 1057 SmallVector<StringRef, 4> checkers; 1058 checkerList.split(checkers, ","); 1059 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1060 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1061 } 1062 1063 return Success; 1064 } 1065 1066 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1067 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1068 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1069 return true; 1070 } 1071 1072 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1073 DiagnosticsEngine &Diags) { 1074 using namespace cc1options; 1075 bool Success = true; 1076 1077 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1078 if (Opts.OptimizationLevel > 3) { 1079 Diags.Report(diag::err_drv_invalid_value) 1080 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1081 Opts.OptimizationLevel = 3; 1082 Success = false; 1083 } 1084 1085 // We must always run at least the always inlining pass. 1086 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1087 : CodeGenOptions::OnlyAlwaysInlining; 1088 1089 Opts.DebugInfo = Args.hasArg(OPT_g); 1090 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1091 || Args.hasArg(OPT_flimit_debug_info); 1092 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1093 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1094 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1095 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1096 OPT_fuse_register_sized_bitfield_access); 1097 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1098 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1099 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1100 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1101 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1102 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1103 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1104 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1105 Args.hasArg(OPT_ffreestanding)); 1106 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1107 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1108 1109 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1110 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1111 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1112 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1113 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1114 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1115 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1116 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1117 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1118 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1119 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1120 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1121 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1122 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1123 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1124 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1125 Args.hasArg(OPT_cl_finite_math_only)|| 1126 Args.hasArg(OPT_cl_fast_relaxed_math)); 1127 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1128 Args.hasArg(OPT_cl_finite_math_only)|| 1129 Args.hasArg(OPT_cl_fast_relaxed_math)); 1130 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1131 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1132 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1133 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1134 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1135 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1136 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1137 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1138 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1139 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1140 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1141 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1142 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1143 Args.hasArg(OPT_cl_fast_relaxed_math); 1144 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1145 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1146 1147 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1148 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1149 1150 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1151 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1152 1153 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1154 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1155 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1156 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1157 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1158 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1159 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1160 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1161 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1162 StringRef Val = A->getValue(Args); 1163 Val.getAsInteger(10, Opts.StackAlignment); 1164 } 1165 1166 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1167 StringRef Name = A->getValue(Args); 1168 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1169 .Case("legacy", CodeGenOptions::Legacy) 1170 .Case("non-legacy", CodeGenOptions::NonLegacy) 1171 .Case("mixed", CodeGenOptions::Mixed) 1172 .Default(~0U); 1173 if (Method == ~0U) { 1174 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1175 Success = false; 1176 } else { 1177 Opts.ObjCDispatchMethod = Method; 1178 } 1179 } 1180 1181 return Success; 1182 } 1183 1184 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1185 ArgList &Args) { 1186 using namespace cc1options; 1187 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1188 Opts.Targets = Args.getAllArgValues(OPT_MT); 1189 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1190 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1191 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1192 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1193 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1194 } 1195 1196 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1197 DiagnosticsEngine &Diags) { 1198 using namespace cc1options; 1199 bool Success = true; 1200 1201 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1202 Opts.DiagnosticSerializationFile = 1203 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1204 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1205 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1206 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1207 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1208 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1209 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1210 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1211 OPT_fno_show_column, 1212 /*Default=*/true); 1213 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1214 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1215 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1216 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1217 1218 // Default behavior is to not to show note include stacks. 1219 Opts.ShowNoteIncludeStack = false; 1220 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1221 OPT_fno_diagnostics_show_note_include_stack)) 1222 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1223 Opts.ShowNoteIncludeStack = true; 1224 1225 StringRef ShowOverloads = 1226 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1227 if (ShowOverloads == "best") 1228 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1229 else if (ShowOverloads == "all") 1230 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1231 else { 1232 Diags.Report(diag::err_drv_invalid_value) 1233 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1234 << ShowOverloads; 1235 Success = false; 1236 } 1237 1238 StringRef ShowCategory = 1239 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1240 if (ShowCategory == "none") 1241 Opts.ShowCategories = 0; 1242 else if (ShowCategory == "id") 1243 Opts.ShowCategories = 1; 1244 else if (ShowCategory == "name") 1245 Opts.ShowCategories = 2; 1246 else { 1247 Diags.Report(diag::err_drv_invalid_value) 1248 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1249 << ShowCategory; 1250 Success = false; 1251 } 1252 1253 StringRef Format = 1254 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1255 if (Format == "clang") 1256 Opts.Format = DiagnosticOptions::Clang; 1257 else if (Format == "msvc") 1258 Opts.Format = DiagnosticOptions::Msvc; 1259 else if (Format == "vi") 1260 Opts.Format = DiagnosticOptions::Vi; 1261 else { 1262 Diags.Report(diag::err_drv_invalid_value) 1263 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1264 << Format; 1265 Success = false; 1266 } 1267 1268 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1269 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1270 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1271 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1272 Opts.MacroBacktraceLimit 1273 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1274 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1275 Opts.TemplateBacktraceLimit 1276 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1277 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1278 Diags); 1279 Opts.ConstexprBacktraceLimit 1280 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1281 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1282 Diags); 1283 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1284 DiagnosticOptions::DefaultTabStop, Diags); 1285 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1286 Diags.Report(diag::warn_ignoring_ftabstop_value) 1287 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1288 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1289 } 1290 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1291 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1292 Opts.Warnings = Args.getAllArgValues(OPT_W); 1293 1294 return Success; 1295 } 1296 1297 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1298 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1299 } 1300 1301 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1302 DiagnosticsEngine &Diags) { 1303 using namespace cc1options; 1304 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1305 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1306 switch (A->getOption().getID()) { 1307 default: 1308 llvm_unreachable("Invalid option in group!"); 1309 case OPT_ast_dump: 1310 Opts.ProgramAction = frontend::ASTDump; break; 1311 case OPT_ast_dump_xml: 1312 Opts.ProgramAction = frontend::ASTDumpXML; break; 1313 case OPT_ast_print: 1314 Opts.ProgramAction = frontend::ASTPrint; break; 1315 case OPT_ast_view: 1316 Opts.ProgramAction = frontend::ASTView; break; 1317 case OPT_dump_raw_tokens: 1318 Opts.ProgramAction = frontend::DumpRawTokens; break; 1319 case OPT_dump_tokens: 1320 Opts.ProgramAction = frontend::DumpTokens; break; 1321 case OPT_S: 1322 Opts.ProgramAction = frontend::EmitAssembly; break; 1323 case OPT_emit_llvm_bc: 1324 Opts.ProgramAction = frontend::EmitBC; break; 1325 case OPT_emit_html: 1326 Opts.ProgramAction = frontend::EmitHTML; break; 1327 case OPT_emit_llvm: 1328 Opts.ProgramAction = frontend::EmitLLVM; break; 1329 case OPT_emit_llvm_only: 1330 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1331 case OPT_emit_codegen_only: 1332 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1333 case OPT_emit_obj: 1334 Opts.ProgramAction = frontend::EmitObj; break; 1335 case OPT_fixit_EQ: 1336 Opts.FixItSuffix = A->getValue(Args); 1337 // fall-through! 1338 case OPT_fixit: 1339 Opts.ProgramAction = frontend::FixIt; break; 1340 case OPT_emit_module: 1341 Opts.ProgramAction = frontend::GenerateModule; break; 1342 case OPT_emit_pch: 1343 Opts.ProgramAction = frontend::GeneratePCH; break; 1344 case OPT_emit_pth: 1345 Opts.ProgramAction = frontend::GeneratePTH; break; 1346 case OPT_init_only: 1347 Opts.ProgramAction = frontend::InitOnly; break; 1348 case OPT_fsyntax_only: 1349 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1350 case OPT_print_decl_contexts: 1351 Opts.ProgramAction = frontend::PrintDeclContext; break; 1352 case OPT_print_preamble: 1353 Opts.ProgramAction = frontend::PrintPreamble; break; 1354 case OPT_E: 1355 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1356 case OPT_rewrite_macros: 1357 Opts.ProgramAction = frontend::RewriteMacros; break; 1358 case OPT_rewrite_objc: 1359 Opts.ProgramAction = frontend::RewriteObjC; break; 1360 case OPT_rewrite_test: 1361 Opts.ProgramAction = frontend::RewriteTest; break; 1362 case OPT_analyze: 1363 Opts.ProgramAction = frontend::RunAnalysis; break; 1364 case OPT_Eonly: 1365 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1366 } 1367 } 1368 1369 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1370 Opts.Plugins.push_back(A->getValue(Args,0)); 1371 Opts.ProgramAction = frontend::PluginAction; 1372 Opts.ActionName = A->getValue(Args); 1373 1374 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1375 end = Args.filtered_end(); it != end; ++it) { 1376 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1377 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1378 } 1379 } 1380 1381 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1382 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1383 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1384 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1385 end = Args.filtered_end(); it != end; ++it) { 1386 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1387 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1388 } 1389 } 1390 1391 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1392 Opts.CodeCompletionAt = 1393 ParsedSourceLocation::FromString(A->getValue(Args)); 1394 if (Opts.CodeCompletionAt.FileName.empty()) 1395 Diags.Report(diag::err_drv_invalid_value) 1396 << A->getAsString(Args) << A->getValue(Args); 1397 } 1398 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1399 1400 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1401 Opts.Plugins = Args.getAllArgValues(OPT_load); 1402 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1403 Opts.ShowHelp = Args.hasArg(OPT_help); 1404 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1405 Opts.ShowCodePatternsInCodeCompletion 1406 = Args.hasArg(OPT_code_completion_patterns); 1407 Opts.ShowGlobalSymbolsInCodeCompletion 1408 = !Args.hasArg(OPT_no_code_completion_globals); 1409 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1410 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1411 Opts.ShowVersion = Args.hasArg(OPT_version); 1412 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1413 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1414 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1415 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1416 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1417 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1418 Opts.OverrideRecordLayoutsFile 1419 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1420 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1421 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1422 OPT_arcmt_modify, 1423 OPT_arcmt_migrate)) { 1424 switch (A->getOption().getID()) { 1425 default: 1426 llvm_unreachable("missed a case"); 1427 case OPT_arcmt_check: 1428 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1429 break; 1430 case OPT_arcmt_modify: 1431 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1432 break; 1433 case OPT_arcmt_migrate: 1434 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1435 break; 1436 } 1437 } 1438 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1439 Opts.ARCMTMigrateReportOut 1440 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1441 Opts.ARCMTMigrateEmitARCErrors 1442 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1443 1444 InputKind DashX = IK_None; 1445 if (const Arg *A = Args.getLastArg(OPT_x)) { 1446 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1447 .Case("c", IK_C) 1448 .Case("cl", IK_OpenCL) 1449 .Case("cuda", IK_CUDA) 1450 .Case("c++", IK_CXX) 1451 .Case("objective-c", IK_ObjC) 1452 .Case("objective-c++", IK_ObjCXX) 1453 .Case("cpp-output", IK_PreprocessedC) 1454 .Case("assembler-with-cpp", IK_Asm) 1455 .Case("c++-cpp-output", IK_PreprocessedCXX) 1456 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1457 .Case("objc-cpp-output", IK_PreprocessedObjC) 1458 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1459 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1460 .Case("c-header", IK_C) 1461 .Case("cl-header", IK_OpenCL) 1462 .Case("objective-c-header", IK_ObjC) 1463 .Case("c++-header", IK_CXX) 1464 .Case("objective-c++-header", IK_ObjCXX) 1465 .Case("ast", IK_AST) 1466 .Case("ir", IK_LLVM_IR) 1467 .Default(IK_None); 1468 if (DashX == IK_None) 1469 Diags.Report(diag::err_drv_invalid_value) 1470 << A->getAsString(Args) << A->getValue(Args); 1471 } 1472 1473 // '-' is the default input if none is given. 1474 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1475 Opts.Inputs.clear(); 1476 if (Inputs.empty()) 1477 Inputs.push_back("-"); 1478 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1479 InputKind IK = DashX; 1480 if (IK == IK_None) { 1481 IK = FrontendOptions::getInputKindForExtension( 1482 StringRef(Inputs[i]).rsplit('.').second); 1483 // FIXME: Remove this hack. 1484 if (i == 0) 1485 DashX = IK; 1486 } 1487 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1488 } 1489 1490 return DashX; 1491 } 1492 1493 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1494 void *MainAddr) { 1495 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1496 1497 if (!P.isEmpty()) { 1498 P.eraseComponent(); // Remove /clang from foo/bin/clang 1499 P.eraseComponent(); // Remove /bin from foo/bin 1500 1501 // Get foo/lib/clang/<version>/include 1502 P.appendComponent("lib"); 1503 P.appendComponent("clang"); 1504 P.appendComponent(CLANG_VERSION_STRING); 1505 } 1506 1507 return P.str(); 1508 } 1509 1510 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1511 using namespace cc1options; 1512 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1513 Opts.Verbose = Args.hasArg(OPT_v); 1514 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1515 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1516 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1517 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1518 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1519 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1520 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1521 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1522 1523 // Add -I..., -F..., and -index-header-map options in order. 1524 bool IsIndexHeaderMap = false; 1525 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1526 OPT_index_header_map), 1527 ie = Args.filtered_end(); it != ie; ++it) { 1528 if ((*it)->getOption().matches(OPT_index_header_map)) { 1529 // -index-header-map applies to the next -I or -F. 1530 IsIndexHeaderMap = true; 1531 continue; 1532 } 1533 1534 frontend::IncludeDirGroup Group 1535 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1536 1537 Opts.AddPath((*it)->getValue(Args), Group, true, 1538 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1539 IsIndexHeaderMap = false; 1540 } 1541 1542 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1543 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1544 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1545 OPT_iwithprefixbefore), 1546 ie = Args.filtered_end(); it != ie; ++it) { 1547 const Arg *A = *it; 1548 if (A->getOption().matches(OPT_iprefix)) 1549 Prefix = A->getValue(Args); 1550 else if (A->getOption().matches(OPT_iwithprefix)) 1551 Opts.AddPath(Prefix.str() + A->getValue(Args), 1552 frontend::System, false, false, false); 1553 else 1554 Opts.AddPath(Prefix.str() + A->getValue(Args), 1555 frontend::Angled, false, false, false); 1556 } 1557 1558 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1559 ie = Args.filtered_end(); it != ie; ++it) 1560 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1561 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1562 ie = Args.filtered_end(); it != ie; ++it) 1563 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1564 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1565 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1566 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1567 !(*it)->getOption().matches(OPT_iwithsysroot)); 1568 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1569 ie = Args.filtered_end(); it != ie; ++it) 1570 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1571 true); 1572 1573 // Add the paths for the various language specific isystem flags. 1574 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1575 ie = Args.filtered_end(); it != ie; ++it) 1576 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1577 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1578 ie = Args.filtered_end(); it != ie; ++it) 1579 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1580 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1581 ie = Args.filtered_end(); it != ie; ++it) 1582 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1583 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1584 ie = Args.filtered_end(); it != ie; ++it) 1585 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1586 true); 1587 1588 // Add the internal paths from a driver that detects standard include paths. 1589 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1590 OPT_internal_externc_isystem), 1591 E = Args.filtered_end(); 1592 I != E; ++I) 1593 Opts.AddPath((*I)->getValue(Args), frontend::System, 1594 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1595 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1596 } 1597 1598 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1599 LangStandard::Kind LangStd) { 1600 // Set some properties which depend solely on the input kind; it would be nice 1601 // to move these to the language standard, and have the driver resolve the 1602 // input kind + language standard. 1603 if (IK == IK_Asm) { 1604 Opts.AsmPreprocessor = 1; 1605 } else if (IK == IK_ObjC || 1606 IK == IK_ObjCXX || 1607 IK == IK_PreprocessedObjC || 1608 IK == IK_PreprocessedObjCXX) { 1609 Opts.ObjC1 = Opts.ObjC2 = 1; 1610 } 1611 1612 if (LangStd == LangStandard::lang_unspecified) { 1613 // Based on the base language, pick one. 1614 switch (IK) { 1615 case IK_None: 1616 case IK_AST: 1617 case IK_LLVM_IR: 1618 llvm_unreachable("Invalid input kind!"); 1619 case IK_OpenCL: 1620 LangStd = LangStandard::lang_opencl; 1621 break; 1622 case IK_CUDA: 1623 LangStd = LangStandard::lang_cuda; 1624 break; 1625 case IK_Asm: 1626 case IK_C: 1627 case IK_PreprocessedC: 1628 case IK_ObjC: 1629 case IK_PreprocessedObjC: 1630 LangStd = LangStandard::lang_gnu99; 1631 break; 1632 case IK_CXX: 1633 case IK_PreprocessedCXX: 1634 case IK_ObjCXX: 1635 case IK_PreprocessedObjCXX: 1636 LangStd = LangStandard::lang_gnucxx98; 1637 break; 1638 } 1639 } 1640 1641 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1642 Opts.BCPLComment = Std.hasBCPLComments(); 1643 Opts.C99 = Std.isC99(); 1644 Opts.C11 = Std.isC11(); 1645 Opts.CPlusPlus = Std.isCPlusPlus(); 1646 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1647 Opts.Digraphs = Std.hasDigraphs(); 1648 Opts.GNUMode = Std.isGNUMode(); 1649 Opts.GNUInline = !Std.isC99(); 1650 Opts.HexFloats = Std.hasHexFloats(); 1651 Opts.ImplicitInt = Std.hasImplicitInt(); 1652 1653 // OpenCL has some additional defaults. 1654 if (LangStd == LangStandard::lang_opencl) { 1655 Opts.OpenCL = 1; 1656 Opts.AltiVec = 0; 1657 Opts.CXXOperatorNames = 1; 1658 Opts.LaxVectorConversions = 0; 1659 Opts.DefaultFPContract = 1; 1660 } 1661 1662 if (LangStd == LangStandard::lang_cuda) 1663 Opts.CUDA = 1; 1664 1665 // OpenCL and C++ both have bool, true, false keywords. 1666 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1667 1668 Opts.GNUKeywords = Opts.GNUMode; 1669 Opts.CXXOperatorNames = Opts.CPlusPlus; 1670 1671 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1672 // is specified, or -std is set to a conforming mode. 1673 Opts.Trigraphs = !Opts.GNUMode; 1674 1675 Opts.DollarIdents = !Opts.AsmPreprocessor; 1676 } 1677 1678 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1679 DiagnosticsEngine &Diags) { 1680 // FIXME: Cleanup per-file based stuff. 1681 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1682 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1683 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1684 #define LANGSTANDARD(id, name, desc, features) \ 1685 .Case(name, LangStandard::lang_##id) 1686 #include "clang/Frontend/LangStandards.def" 1687 .Default(LangStandard::lang_unspecified); 1688 if (LangStd == LangStandard::lang_unspecified) 1689 Diags.Report(diag::err_drv_invalid_value) 1690 << A->getAsString(Args) << A->getValue(Args); 1691 else { 1692 // Valid standard, check to make sure language and standard are compatable. 1693 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1694 switch (IK) { 1695 case IK_C: 1696 case IK_ObjC: 1697 case IK_PreprocessedC: 1698 case IK_PreprocessedObjC: 1699 if (!(Std.isC89() || Std.isC99())) 1700 Diags.Report(diag::err_drv_argument_not_allowed_with) 1701 << A->getAsString(Args) << "C/ObjC"; 1702 break; 1703 case IK_CXX: 1704 case IK_ObjCXX: 1705 case IK_PreprocessedCXX: 1706 case IK_PreprocessedObjCXX: 1707 if (!Std.isCPlusPlus()) 1708 Diags.Report(diag::err_drv_argument_not_allowed_with) 1709 << A->getAsString(Args) << "C++/ObjC++"; 1710 break; 1711 case IK_OpenCL: 1712 if (!Std.isC99()) 1713 Diags.Report(diag::err_drv_argument_not_allowed_with) 1714 << A->getAsString(Args) << "OpenCL"; 1715 break; 1716 case IK_CUDA: 1717 if (!Std.isCPlusPlus()) 1718 Diags.Report(diag::err_drv_argument_not_allowed_with) 1719 << A->getAsString(Args) << "CUDA"; 1720 break; 1721 default: 1722 break; 1723 } 1724 } 1725 } 1726 1727 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1728 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1729 Diags.Report(diag::err_drv_invalid_value) 1730 << A->getAsString(Args) << A->getValue(Args); 1731 } 1732 } 1733 1734 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1735 1736 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1737 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1738 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1739 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1740 // name, as it doesn't seem a useful distinction. 1741 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1742 Opts.GNUKeywords); 1743 1744 if (Args.hasArg(OPT_fno_operator_names)) 1745 Opts.CXXOperatorNames = 0; 1746 1747 if (Opts.ObjC1) { 1748 if (Args.hasArg(OPT_fobjc_gc_only)) 1749 Opts.setGC(LangOptions::GCOnly); 1750 else if (Args.hasArg(OPT_fobjc_gc)) 1751 Opts.setGC(LangOptions::HybridGC); 1752 else if (Args.hasArg(OPT_fobjc_arc)) { 1753 Opts.ObjCAutoRefCount = 1; 1754 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1755 Diags.Report(diag::err_arc_nonfragile_abi); 1756 } 1757 1758 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1759 Opts.ObjCRuntimeHasWeak = 1; 1760 1761 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1762 Opts.ObjCInferRelatedResultType = 0; 1763 } 1764 1765 if (Args.hasArg(OPT_fgnu89_inline)) 1766 Opts.GNUInline = 1; 1767 1768 if (Args.hasArg(OPT_fapple_kext)) { 1769 if (!Opts.CPlusPlus) 1770 Diags.Report(diag::warn_c_kext); 1771 else 1772 Opts.AppleKext = 1; 1773 } 1774 1775 if (Args.hasArg(OPT_print_ivar_layout)) 1776 Opts.ObjCGCBitmapPrint = 1; 1777 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1778 Opts.NoConstantCFStrings = 1; 1779 1780 if (Args.hasArg(OPT_faltivec)) 1781 Opts.AltiVec = 1; 1782 1783 if (Args.hasArg(OPT_pthread)) 1784 Opts.POSIXThreads = 1; 1785 1786 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1787 Opts.DelayedTemplateParsing = 1; 1788 1789 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1790 if (Vis == "default") 1791 Opts.setVisibilityMode(DefaultVisibility); 1792 else if (Vis == "hidden") 1793 Opts.setVisibilityMode(HiddenVisibility); 1794 else if (Vis == "protected") 1795 Opts.setVisibilityMode(ProtectedVisibility); 1796 else 1797 Diags.Report(diag::err_drv_invalid_value) 1798 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1799 1800 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1801 Opts.InlineVisibilityHidden = 1; 1802 1803 if (Args.hasArg(OPT_ftrapv)) { 1804 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1805 // Set the handler, if one is specified. 1806 Opts.OverflowHandler = 1807 Args.getLastArgValue(OPT_ftrapv_handler); 1808 } 1809 else if (Args.hasArg(OPT_fwrapv)) 1810 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1811 1812 if (Args.hasArg(OPT_trigraphs)) 1813 Opts.Trigraphs = 1; 1814 1815 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1816 OPT_fno_dollars_in_identifiers, 1817 Opts.DollarIdents); 1818 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1819 Opts.MicrosoftExt 1820 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1821 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1822 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1823 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1824 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1825 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1826 Opts.ConstStrings); 1827 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1828 Opts.LaxVectorConversions = 0; 1829 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1830 Opts.ThreadsafeStatics = 0; 1831 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1832 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1833 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1834 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1835 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1836 1837 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1838 Opts.Blocks = Args.hasArg(OPT_fblocks); 1839 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1840 Opts.Modules = Args.hasArg(OPT_fmodules); 1841 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1842 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1843 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1844 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1845 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1846 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1847 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1848 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1849 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1850 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1851 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1852 Diags); 1853 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1854 Diags); 1855 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1856 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1857 0, Diags); 1858 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1859 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1860 Opts.ObjCConstantStringClass = 1861 Args.getLastArgValue(OPT_fconstant_string_class); 1862 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1863 if (Opts.ObjCNonFragileABI) 1864 Opts.ObjCNonFragileABI2 = true; 1865 Opts.ObjCDefaultSynthProperties = 1866 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1867 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1868 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1869 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1870 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1871 Opts.Static = Args.hasArg(OPT_static_define); 1872 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1873 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1874 || Args.hasArg(OPT_fdump_record_layouts); 1875 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1876 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1877 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1878 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1879 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1880 Opts.MRTD = Args.hasArg(OPT_mrtd); 1881 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1882 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1883 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1884 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1885 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1886 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1887 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1888 1889 // Record whether the __DEPRECATED define was requested. 1890 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1891 OPT_fno_deprecated_macro, 1892 Opts.Deprecated); 1893 1894 // FIXME: Eliminate this dependency. 1895 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1896 Opts.Optimize = Opt != 0; 1897 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1898 1899 // This is the __NO_INLINE__ define, which just depends on things like the 1900 // optimization level and -fno-inline, not actually whether the backend has 1901 // inlining enabled. 1902 // 1903 // FIXME: This is affected by other options (-fno-inline). 1904 Opts.NoInline = !Opt; 1905 1906 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1907 1908 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1909 switch (SSP) { 1910 default: 1911 Diags.Report(diag::err_drv_invalid_value) 1912 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1913 break; 1914 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1915 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1916 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1917 } 1918 } 1919 1920 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1921 FileManager &FileMgr, 1922 DiagnosticsEngine &Diags) { 1923 using namespace cc1options; 1924 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1925 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1926 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1927 Opts.TokenCache = A->getValue(Args); 1928 else 1929 Opts.TokenCache = Opts.ImplicitPTHInclude; 1930 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1931 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1932 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1933 1934 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1935 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1936 ie = Args.filtered_end(); it != ie; ++it) { 1937 const Arg *A = *it; 1938 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1939 } 1940 1941 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1942 StringRef Value(A->getValue(Args)); 1943 size_t Comma = Value.find(','); 1944 unsigned Bytes = 0; 1945 unsigned EndOfLine = 0; 1946 1947 if (Comma == StringRef::npos || 1948 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1949 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1950 Diags.Report(diag::err_drv_preamble_format); 1951 else { 1952 Opts.PrecompiledPreambleBytes.first = Bytes; 1953 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1954 } 1955 } 1956 1957 // Add macros from the command line. 1958 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1959 ie = Args.filtered_end(); it != ie; ++it) { 1960 if ((*it)->getOption().matches(OPT_D)) 1961 Opts.addMacroDef((*it)->getValue(Args)); 1962 else 1963 Opts.addMacroUndef((*it)->getValue(Args)); 1964 } 1965 1966 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1967 1968 // Add the ordered list of -includes. 1969 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1970 OPT_include_pth), 1971 ie = Args.filtered_end(); it != ie; ++it) { 1972 const Arg *A = *it; 1973 // PCH is handled specially, we need to extra the original include path. 1974 if (A->getOption().matches(OPT_include_pch)) { 1975 std::string OriginalFile = 1976 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1977 if (OriginalFile.empty()) 1978 continue; 1979 1980 Opts.Includes.push_back(OriginalFile); 1981 } else 1982 Opts.Includes.push_back(A->getValue(Args)); 1983 } 1984 1985 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1986 ie = Args.filtered_end(); it != ie; ++it) { 1987 const Arg *A = *it; 1988 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1989 } 1990 1991 // Include 'altivec.h' if -faltivec option present 1992 if (Args.hasArg(OPT_faltivec)) 1993 Opts.Includes.push_back("altivec.h"); 1994 1995 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1996 ie = Args.filtered_end(); it != ie; ++it) { 1997 const Arg *A = *it; 1998 std::pair<StringRef,StringRef> Split = 1999 StringRef(A->getValue(Args)).split(';'); 2000 2001 if (Split.second.empty()) { 2002 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2003 continue; 2004 } 2005 2006 Opts.addRemappedFile(Split.first, Split.second); 2007 } 2008 2009 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2010 StringRef Name = A->getValue(Args); 2011 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2012 .Case("libc++", ARCXX_libcxx) 2013 .Case("libstdc++", ARCXX_libstdcxx) 2014 .Case("none", ARCXX_nolib) 2015 .Default(~0U); 2016 if (Library == ~0U) 2017 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2018 else 2019 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2020 } 2021 } 2022 2023 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2024 ArgList &Args) { 2025 using namespace cc1options; 2026 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2027 Opts.ShowComments = Args.hasArg(OPT_C); 2028 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2029 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2030 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2031 } 2032 2033 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2034 using namespace cc1options; 2035 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2036 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2037 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2038 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2039 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2040 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2041 2042 // Use the default target triple if unspecified. 2043 if (Opts.Triple.empty()) 2044 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2045 } 2046 2047 // 2048 2049 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2050 const char *const *ArgBegin, 2051 const char *const *ArgEnd, 2052 DiagnosticsEngine &Diags) { 2053 bool Success = true; 2054 2055 // Parse the arguments. 2056 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 2057 unsigned MissingArgIndex, MissingArgCount; 2058 llvm::OwningPtr<InputArgList> Args( 2059 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2060 2061 // Check for missing argument error. 2062 if (MissingArgCount) { 2063 Diags.Report(diag::err_drv_missing_argument) 2064 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2065 Success = false; 2066 } 2067 2068 // Issue errors on unknown arguments. 2069 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2070 ie = Args->filtered_end(); it != ie; ++it) { 2071 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2072 Success = false; 2073 } 2074 2075 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2076 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2077 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2078 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags) 2079 && Success; 2080 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2081 // FIXME: We shouldn't have to pass the DashX option around here 2082 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2083 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2084 && Success; 2085 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2086 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2087 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2088 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2089 Res.getLangOpts()->ObjCExceptions = 1; 2090 } 2091 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2092 // PCH file and find the original header name. Remove the need to do that in 2093 // ParsePreprocessorArgs and remove the FileManager 2094 // parameters from the function and the "FileManager.h" #include. 2095 FileManager FileMgr(Res.getFileSystemOpts()); 2096 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2097 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2098 ParseTargetArgs(Res.getTargetOpts(), *Args); 2099 2100 return Success; 2101 } 2102 2103 namespace { 2104 2105 class ModuleSignature { 2106 llvm::SmallVector<uint64_t, 16> Data; 2107 unsigned CurBit; 2108 uint64_t CurValue; 2109 2110 public: 2111 ModuleSignature() : CurBit(0), CurValue(0) { } 2112 2113 void add(uint64_t Value, unsigned Bits); 2114 void add(StringRef Value); 2115 void flush(); 2116 2117 llvm::APInt getAsInteger() const; 2118 }; 2119 } 2120 2121 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2122 CurValue |= Value << CurBit; 2123 if (CurBit + NumBits < 64) { 2124 CurBit += NumBits; 2125 return; 2126 } 2127 2128 // Add the current word. 2129 Data.push_back(CurValue); 2130 2131 if (CurBit) 2132 CurValue = Value >> (64-CurBit); 2133 else 2134 CurValue = 0; 2135 CurBit = (CurBit+NumBits) & 63; 2136 } 2137 2138 void ModuleSignature::flush() { 2139 if (CurBit == 0) 2140 return; 2141 2142 Data.push_back(CurValue); 2143 CurBit = 0; 2144 CurValue = 0; 2145 } 2146 2147 void ModuleSignature::add(StringRef Value) { 2148 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2149 add(*I, 8); 2150 } 2151 2152 llvm::APInt ModuleSignature::getAsInteger() const { 2153 return llvm::APInt(Data.size() * 64, Data); 2154 } 2155 2156 std::string CompilerInvocation::getModuleHash() const { 2157 ModuleSignature Signature; 2158 2159 // Start the signature with the compiler version. 2160 Signature.add(getClangFullRepositoryVersion()); 2161 2162 // Extend the signature with the language options 2163 #define LANGOPT(Name, Bits, Default, Description) \ 2164 Signature.add(LangOpts->Name, Bits); 2165 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2166 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2167 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2168 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2169 #include "clang/Basic/LangOptions.def" 2170 2171 // Extend the signature with the target triple 2172 llvm::Triple T(TargetOpts.Triple); 2173 Signature.add((unsigned)T.getArch(), 5); 2174 Signature.add((unsigned)T.getVendor(), 4); 2175 Signature.add((unsigned)T.getOS(), 5); 2176 Signature.add((unsigned)T.getEnvironment(), 4); 2177 2178 // Extend the signature with preprocessor options. 2179 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2180 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2181 2182 // Hash the preprocessor defines. 2183 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2184 std::vector<StringRef> MacroDefs; 2185 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2186 I = getPreprocessorOpts().Macros.begin(), 2187 IEnd = getPreprocessorOpts().Macros.end(); 2188 I != IEnd; ++I) { 2189 if (!I->second) 2190 MacroDefs.push_back(I->first); 2191 } 2192 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2193 2194 unsigned PPHashResult = 0; 2195 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2196 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2197 Signature.add(PPHashResult, 32); 2198 2199 // We've generated the signature. Treat it as one large APInt that we'll 2200 // encode in base-36 and return. 2201 Signature.flush(); 2202 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2203 } 2204