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.DebuggerCastResultToId) 830 Res.push_back("-fdebugger-cast-result-to-id"); 831 if (Opts.DelayedTemplateParsing) 832 Res.push_back("-fdelayed-template-parsing"); 833 if (Opts.Deprecated) 834 Res.push_back("-fdeprecated-macro"); 835 if (Opts.ApplePragmaPack) 836 Res.push_back("-fapple-pragma-pack"); 837 if (!Opts.CurrentModule.empty()) 838 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 839 } 840 841 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 842 std::vector<std::string> &Res) { 843 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 844 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 845 Opts.Macros[i].first); 846 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 847 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 848 Res.push_back("-include"); 849 Res.push_back(Opts.Includes[i]); 850 } 851 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 852 Res.push_back("-imacros"); 853 Res.push_back(Opts.MacroIncludes[i]); 854 } 855 if (!Opts.UsePredefines) 856 Res.push_back("-undef"); 857 if (Opts.DetailedRecord) 858 Res.push_back("-detailed-preprocessing-record"); 859 if (!Opts.ImplicitPCHInclude.empty()) { 860 Res.push_back("-include-pch"); 861 Res.push_back(Opts.ImplicitPCHInclude); 862 } 863 if (!Opts.ImplicitPTHInclude.empty()) { 864 Res.push_back("-include-pth"); 865 Res.push_back(Opts.ImplicitPTHInclude); 866 } 867 if (!Opts.TokenCache.empty()) { 868 if (Opts.ImplicitPTHInclude.empty()) { 869 Res.push_back("-token-cache"); 870 Res.push_back(Opts.TokenCache); 871 } else 872 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 873 "Unsupported option combination!"); 874 } 875 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 876 Res.push_back("-chain-include"); 877 Res.push_back(Opts.ChainedIncludes[i]); 878 } 879 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 880 Res.push_back("-remap-file"); 881 Res.push_back(Opts.RemappedFiles[i].first + ";" + 882 Opts.RemappedFiles[i].second); 883 } 884 } 885 886 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 887 std::vector<std::string> &Res) { 888 if (!Opts.ShowCPP && !Opts.ShowMacros) 889 llvm::report_fatal_error("Invalid option combination!"); 890 891 if (Opts.ShowCPP && Opts.ShowMacros) 892 Res.push_back("-dD"); 893 else if (!Opts.ShowCPP && Opts.ShowMacros) 894 Res.push_back("-dM"); 895 896 if (!Opts.ShowLineMarkers) 897 Res.push_back("-P"); 898 if (Opts.ShowComments) 899 Res.push_back("-C"); 900 if (Opts.ShowMacroComments) 901 Res.push_back("-CC"); 902 } 903 904 static void TargetOptsToArgs(const TargetOptions &Opts, 905 std::vector<std::string> &Res) { 906 Res.push_back("-triple"); 907 Res.push_back(Opts.Triple); 908 if (!Opts.CPU.empty()) { 909 Res.push_back("-target-cpu"); 910 Res.push_back(Opts.CPU); 911 } 912 if (!Opts.ABI.empty()) { 913 Res.push_back("-target-abi"); 914 Res.push_back(Opts.ABI); 915 } 916 if (!Opts.LinkerVersion.empty()) { 917 Res.push_back("-target-linker-version"); 918 Res.push_back(Opts.LinkerVersion); 919 } 920 if (!Opts.CXXABI.empty()) { 921 Res.push_back("-cxx-abi"); 922 Res.push_back(Opts.CXXABI); 923 } 924 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 925 Res.push_back("-target-feature"); 926 Res.push_back(Opts.Features[i]); 927 } 928 } 929 930 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 931 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 932 CodeGenOptsToArgs(getCodeGenOpts(), Res); 933 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 934 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 935 FileSystemOptsToArgs(getFileSystemOpts(), Res); 936 FrontendOptsToArgs(getFrontendOpts(), Res); 937 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 938 LangOptsToArgs(*getLangOpts(), Res); 939 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 940 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 941 TargetOptsToArgs(getTargetOpts(), Res); 942 } 943 944 //===----------------------------------------------------------------------===// 945 // Deserialization (to args) 946 //===----------------------------------------------------------------------===// 947 948 using namespace clang::driver; 949 using namespace clang::driver::cc1options; 950 951 // 952 953 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 954 DiagnosticsEngine &Diags) { 955 unsigned DefaultOpt = 0; 956 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 957 DefaultOpt = 2; 958 // -Os/-Oz implies -O2 959 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 960 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 961 } 962 963 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 964 DiagnosticsEngine &Diags) { 965 using namespace cc1options; 966 bool Success = true; 967 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 968 StringRef Name = A->getValue(Args); 969 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 970 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 971 .Case(CMDFLAG, NAME##Model) 972 #include "clang/Frontend/Analyses.def" 973 .Default(NumStores); 974 if (Value == NumStores) { 975 Diags.Report(diag::err_drv_invalid_value) 976 << A->getAsString(Args) << Name; 977 Success = false; 978 } else { 979 Opts.AnalysisStoreOpt = Value; 980 } 981 } 982 983 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 984 StringRef Name = A->getValue(Args); 985 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 986 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 987 .Case(CMDFLAG, NAME##Model) 988 #include "clang/Frontend/Analyses.def" 989 .Default(NumConstraints); 990 if (Value == NumConstraints) { 991 Diags.Report(diag::err_drv_invalid_value) 992 << A->getAsString(Args) << Name; 993 Success = false; 994 } else { 995 Opts.AnalysisConstraintsOpt = Value; 996 } 997 } 998 999 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1000 StringRef Name = A->getValue(Args); 1001 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1002 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1003 .Case(CMDFLAG, PD_##NAME) 1004 #include "clang/Frontend/Analyses.def" 1005 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1006 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1007 Diags.Report(diag::err_drv_invalid_value) 1008 << A->getAsString(Args) << Name; 1009 Success = false; 1010 } else { 1011 Opts.AnalysisDiagOpt = Value; 1012 } 1013 } 1014 1015 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1016 StringRef Name = A->getValue(Args); 1017 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1018 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1019 .Case(CMDFLAG, NAME) 1020 #include "clang/Frontend/Analyses.def" 1021 .Default(NumPurgeModes); 1022 if (Value == NumPurgeModes) { 1023 Diags.Report(diag::err_drv_invalid_value) 1024 << A->getAsString(Args) << Name; 1025 Success = false; 1026 } else { 1027 Opts.AnalysisPurgeOpt = Value; 1028 } 1029 } 1030 1031 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1032 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1033 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1034 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1035 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1036 Opts.AnalyzeNestedBlocks = 1037 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1038 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1039 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1040 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1041 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1042 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1043 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1044 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1045 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1046 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1047 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1048 1049 Opts.CheckersControlList.clear(); 1050 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1051 OPT_analyzer_disable_checker), 1052 ie = Args.filtered_end(); it != ie; ++it) { 1053 const Arg *A = *it; 1054 A->claim(); 1055 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1056 // We can have a list of comma separated checker names, e.g: 1057 // '-analyzer-checker=cocoa,unix' 1058 StringRef checkerList = A->getValue(Args); 1059 SmallVector<StringRef, 4> checkers; 1060 checkerList.split(checkers, ","); 1061 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1062 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1063 } 1064 1065 return Success; 1066 } 1067 1068 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1069 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1070 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1071 return true; 1072 } 1073 1074 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1075 DiagnosticsEngine &Diags) { 1076 using namespace cc1options; 1077 bool Success = true; 1078 1079 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1080 if (Opts.OptimizationLevel > 3) { 1081 Diags.Report(diag::err_drv_invalid_value) 1082 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1083 Opts.OptimizationLevel = 3; 1084 Success = false; 1085 } 1086 1087 // We must always run at least the always inlining pass. 1088 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1089 : CodeGenOptions::OnlyAlwaysInlining; 1090 1091 Opts.DebugInfo = Args.hasArg(OPT_g); 1092 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1093 || Args.hasArg(OPT_flimit_debug_info); 1094 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1095 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1096 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1097 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1098 OPT_fuse_register_sized_bitfield_access); 1099 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1100 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1101 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1102 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1103 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1104 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1105 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1106 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1107 Args.hasArg(OPT_ffreestanding)); 1108 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1109 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1110 1111 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1112 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1113 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1114 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1115 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1116 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1117 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1118 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1119 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1120 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1121 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1122 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1123 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1124 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1125 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1126 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1127 Args.hasArg(OPT_cl_finite_math_only)|| 1128 Args.hasArg(OPT_cl_fast_relaxed_math)); 1129 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1130 Args.hasArg(OPT_cl_finite_math_only)|| 1131 Args.hasArg(OPT_cl_fast_relaxed_math)); 1132 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1133 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1134 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1135 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1136 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1137 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1138 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1139 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1140 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1141 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1142 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1143 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1144 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1145 Args.hasArg(OPT_cl_fast_relaxed_math); 1146 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1147 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1148 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1149 1150 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1151 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1152 1153 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1154 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1155 1156 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1157 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1158 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1159 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1160 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1161 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1162 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1163 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1164 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1165 StringRef Val = A->getValue(Args); 1166 Val.getAsInteger(10, Opts.StackAlignment); 1167 } 1168 1169 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1170 StringRef Name = A->getValue(Args); 1171 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1172 .Case("legacy", CodeGenOptions::Legacy) 1173 .Case("non-legacy", CodeGenOptions::NonLegacy) 1174 .Case("mixed", CodeGenOptions::Mixed) 1175 .Default(~0U); 1176 if (Method == ~0U) { 1177 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1178 Success = false; 1179 } else { 1180 Opts.ObjCDispatchMethod = Method; 1181 } 1182 } 1183 1184 return Success; 1185 } 1186 1187 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1188 ArgList &Args) { 1189 using namespace cc1options; 1190 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1191 Opts.Targets = Args.getAllArgValues(OPT_MT); 1192 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1193 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1194 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1195 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1196 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1197 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1198 } 1199 1200 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1201 DiagnosticsEngine &Diags) { 1202 using namespace cc1options; 1203 bool Success = true; 1204 1205 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1206 Opts.DiagnosticSerializationFile = 1207 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1208 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1209 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1210 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1211 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1212 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1213 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1214 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1215 OPT_fno_show_column, 1216 /*Default=*/true); 1217 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1218 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1219 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1220 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1221 1222 // Default behavior is to not to show note include stacks. 1223 Opts.ShowNoteIncludeStack = false; 1224 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1225 OPT_fno_diagnostics_show_note_include_stack)) 1226 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1227 Opts.ShowNoteIncludeStack = true; 1228 1229 StringRef ShowOverloads = 1230 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1231 if (ShowOverloads == "best") 1232 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1233 else if (ShowOverloads == "all") 1234 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1235 else { 1236 Diags.Report(diag::err_drv_invalid_value) 1237 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1238 << ShowOverloads; 1239 Success = false; 1240 } 1241 1242 StringRef ShowCategory = 1243 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1244 if (ShowCategory == "none") 1245 Opts.ShowCategories = 0; 1246 else if (ShowCategory == "id") 1247 Opts.ShowCategories = 1; 1248 else if (ShowCategory == "name") 1249 Opts.ShowCategories = 2; 1250 else { 1251 Diags.Report(diag::err_drv_invalid_value) 1252 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1253 << ShowCategory; 1254 Success = false; 1255 } 1256 1257 StringRef Format = 1258 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1259 if (Format == "clang") 1260 Opts.Format = DiagnosticOptions::Clang; 1261 else if (Format == "msvc") 1262 Opts.Format = DiagnosticOptions::Msvc; 1263 else if (Format == "vi") 1264 Opts.Format = DiagnosticOptions::Vi; 1265 else { 1266 Diags.Report(diag::err_drv_invalid_value) 1267 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1268 << Format; 1269 Success = false; 1270 } 1271 1272 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1273 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1274 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1275 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1276 Opts.MacroBacktraceLimit 1277 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1278 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1279 Opts.TemplateBacktraceLimit 1280 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1281 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1282 Diags); 1283 Opts.ConstexprBacktraceLimit 1284 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1285 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1286 Diags); 1287 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1288 DiagnosticOptions::DefaultTabStop, Diags); 1289 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1290 Diags.Report(diag::warn_ignoring_ftabstop_value) 1291 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1292 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1293 } 1294 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1295 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1296 Opts.Warnings = Args.getAllArgValues(OPT_W); 1297 1298 return Success; 1299 } 1300 1301 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1302 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1303 } 1304 1305 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1306 DiagnosticsEngine &Diags) { 1307 using namespace cc1options; 1308 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1309 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1310 switch (A->getOption().getID()) { 1311 default: 1312 llvm_unreachable("Invalid option in group!"); 1313 case OPT_ast_dump: 1314 Opts.ProgramAction = frontend::ASTDump; break; 1315 case OPT_ast_dump_xml: 1316 Opts.ProgramAction = frontend::ASTDumpXML; break; 1317 case OPT_ast_print: 1318 Opts.ProgramAction = frontend::ASTPrint; break; 1319 case OPT_ast_view: 1320 Opts.ProgramAction = frontend::ASTView; break; 1321 case OPT_dump_raw_tokens: 1322 Opts.ProgramAction = frontend::DumpRawTokens; break; 1323 case OPT_dump_tokens: 1324 Opts.ProgramAction = frontend::DumpTokens; break; 1325 case OPT_S: 1326 Opts.ProgramAction = frontend::EmitAssembly; break; 1327 case OPT_emit_llvm_bc: 1328 Opts.ProgramAction = frontend::EmitBC; break; 1329 case OPT_emit_html: 1330 Opts.ProgramAction = frontend::EmitHTML; break; 1331 case OPT_emit_llvm: 1332 Opts.ProgramAction = frontend::EmitLLVM; break; 1333 case OPT_emit_llvm_only: 1334 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1335 case OPT_emit_codegen_only: 1336 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1337 case OPT_emit_obj: 1338 Opts.ProgramAction = frontend::EmitObj; break; 1339 case OPT_fixit_EQ: 1340 Opts.FixItSuffix = A->getValue(Args); 1341 // fall-through! 1342 case OPT_fixit: 1343 Opts.ProgramAction = frontend::FixIt; break; 1344 case OPT_emit_module: 1345 Opts.ProgramAction = frontend::GenerateModule; break; 1346 case OPT_emit_pch: 1347 Opts.ProgramAction = frontend::GeneratePCH; break; 1348 case OPT_emit_pth: 1349 Opts.ProgramAction = frontend::GeneratePTH; break; 1350 case OPT_init_only: 1351 Opts.ProgramAction = frontend::InitOnly; break; 1352 case OPT_fsyntax_only: 1353 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1354 case OPT_print_decl_contexts: 1355 Opts.ProgramAction = frontend::PrintDeclContext; break; 1356 case OPT_print_preamble: 1357 Opts.ProgramAction = frontend::PrintPreamble; break; 1358 case OPT_E: 1359 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1360 case OPT_rewrite_macros: 1361 Opts.ProgramAction = frontend::RewriteMacros; break; 1362 case OPT_rewrite_objc: 1363 Opts.ProgramAction = frontend::RewriteObjC; break; 1364 case OPT_rewrite_test: 1365 Opts.ProgramAction = frontend::RewriteTest; break; 1366 case OPT_analyze: 1367 Opts.ProgramAction = frontend::RunAnalysis; break; 1368 case OPT_Eonly: 1369 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1370 } 1371 } 1372 1373 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1374 Opts.Plugins.push_back(A->getValue(Args,0)); 1375 Opts.ProgramAction = frontend::PluginAction; 1376 Opts.ActionName = A->getValue(Args); 1377 1378 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1379 end = Args.filtered_end(); it != end; ++it) { 1380 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1381 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1382 } 1383 } 1384 1385 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1386 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1387 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1388 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1389 end = Args.filtered_end(); it != end; ++it) { 1390 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1391 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1392 } 1393 } 1394 1395 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1396 Opts.CodeCompletionAt = 1397 ParsedSourceLocation::FromString(A->getValue(Args)); 1398 if (Opts.CodeCompletionAt.FileName.empty()) 1399 Diags.Report(diag::err_drv_invalid_value) 1400 << A->getAsString(Args) << A->getValue(Args); 1401 } 1402 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1403 1404 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1405 Opts.Plugins = Args.getAllArgValues(OPT_load); 1406 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1407 Opts.ShowHelp = Args.hasArg(OPT_help); 1408 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1409 Opts.ShowCodePatternsInCodeCompletion 1410 = Args.hasArg(OPT_code_completion_patterns); 1411 Opts.ShowGlobalSymbolsInCodeCompletion 1412 = !Args.hasArg(OPT_no_code_completion_globals); 1413 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1414 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1415 Opts.ShowVersion = Args.hasArg(OPT_version); 1416 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1417 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1418 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1419 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1420 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1421 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1422 Opts.OverrideRecordLayoutsFile 1423 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1424 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1425 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1426 OPT_arcmt_modify, 1427 OPT_arcmt_migrate)) { 1428 switch (A->getOption().getID()) { 1429 default: 1430 llvm_unreachable("missed a case"); 1431 case OPT_arcmt_check: 1432 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1433 break; 1434 case OPT_arcmt_modify: 1435 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1436 break; 1437 case OPT_arcmt_migrate: 1438 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1439 break; 1440 } 1441 } 1442 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1443 Opts.ARCMTMigrateReportOut 1444 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1445 Opts.ARCMTMigrateEmitARCErrors 1446 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1447 1448 InputKind DashX = IK_None; 1449 if (const Arg *A = Args.getLastArg(OPT_x)) { 1450 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1451 .Case("c", IK_C) 1452 .Case("cl", IK_OpenCL) 1453 .Case("cuda", IK_CUDA) 1454 .Case("c++", IK_CXX) 1455 .Case("objective-c", IK_ObjC) 1456 .Case("objective-c++", IK_ObjCXX) 1457 .Case("cpp-output", IK_PreprocessedC) 1458 .Case("assembler-with-cpp", IK_Asm) 1459 .Case("c++-cpp-output", IK_PreprocessedCXX) 1460 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1461 .Case("objc-cpp-output", IK_PreprocessedObjC) 1462 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1463 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1464 .Case("c-header", IK_C) 1465 .Case("cl-header", IK_OpenCL) 1466 .Case("objective-c-header", IK_ObjC) 1467 .Case("c++-header", IK_CXX) 1468 .Case("objective-c++-header", IK_ObjCXX) 1469 .Case("ast", IK_AST) 1470 .Case("ir", IK_LLVM_IR) 1471 .Default(IK_None); 1472 if (DashX == IK_None) 1473 Diags.Report(diag::err_drv_invalid_value) 1474 << A->getAsString(Args) << A->getValue(Args); 1475 } 1476 1477 // '-' is the default input if none is given. 1478 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1479 Opts.Inputs.clear(); 1480 if (Inputs.empty()) 1481 Inputs.push_back("-"); 1482 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1483 InputKind IK = DashX; 1484 if (IK == IK_None) { 1485 IK = FrontendOptions::getInputKindForExtension( 1486 StringRef(Inputs[i]).rsplit('.').second); 1487 // FIXME: Remove this hack. 1488 if (i == 0) 1489 DashX = IK; 1490 } 1491 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1492 } 1493 1494 return DashX; 1495 } 1496 1497 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1498 void *MainAddr) { 1499 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1500 1501 if (!P.isEmpty()) { 1502 P.eraseComponent(); // Remove /clang from foo/bin/clang 1503 P.eraseComponent(); // Remove /bin from foo/bin 1504 1505 // Get foo/lib/clang/<version>/include 1506 P.appendComponent("lib"); 1507 P.appendComponent("clang"); 1508 P.appendComponent(CLANG_VERSION_STRING); 1509 } 1510 1511 return P.str(); 1512 } 1513 1514 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1515 using namespace cc1options; 1516 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1517 Opts.Verbose = Args.hasArg(OPT_v); 1518 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1519 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1520 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1521 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1522 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1523 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1524 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1525 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1526 1527 // Add -I..., -F..., and -index-header-map options in order. 1528 bool IsIndexHeaderMap = false; 1529 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1530 OPT_index_header_map), 1531 ie = Args.filtered_end(); it != ie; ++it) { 1532 if ((*it)->getOption().matches(OPT_index_header_map)) { 1533 // -index-header-map applies to the next -I or -F. 1534 IsIndexHeaderMap = true; 1535 continue; 1536 } 1537 1538 frontend::IncludeDirGroup Group 1539 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1540 1541 Opts.AddPath((*it)->getValue(Args), Group, true, 1542 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1543 IsIndexHeaderMap = false; 1544 } 1545 1546 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1547 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1548 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1549 OPT_iwithprefixbefore), 1550 ie = Args.filtered_end(); it != ie; ++it) { 1551 const Arg *A = *it; 1552 if (A->getOption().matches(OPT_iprefix)) 1553 Prefix = A->getValue(Args); 1554 else if (A->getOption().matches(OPT_iwithprefix)) 1555 Opts.AddPath(Prefix.str() + A->getValue(Args), 1556 frontend::System, false, false, false); 1557 else 1558 Opts.AddPath(Prefix.str() + A->getValue(Args), 1559 frontend::Angled, false, false, false); 1560 } 1561 1562 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1563 ie = Args.filtered_end(); it != ie; ++it) 1564 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1565 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1566 ie = Args.filtered_end(); it != ie; ++it) 1567 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1568 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1569 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1570 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1571 !(*it)->getOption().matches(OPT_iwithsysroot)); 1572 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1573 ie = Args.filtered_end(); it != ie; ++it) 1574 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1575 true); 1576 1577 // Add the paths for the various language specific isystem flags. 1578 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1579 ie = Args.filtered_end(); it != ie; ++it) 1580 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1581 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1582 ie = Args.filtered_end(); it != ie; ++it) 1583 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1584 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1585 ie = Args.filtered_end(); it != ie; ++it) 1586 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1587 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1588 ie = Args.filtered_end(); it != ie; ++it) 1589 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1590 true); 1591 1592 // Add the internal paths from a driver that detects standard include paths. 1593 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1594 OPT_internal_externc_isystem), 1595 E = Args.filtered_end(); 1596 I != E; ++I) 1597 Opts.AddPath((*I)->getValue(Args), frontend::System, 1598 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1599 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1600 } 1601 1602 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1603 LangStandard::Kind LangStd) { 1604 // Set some properties which depend solely on the input kind; it would be nice 1605 // to move these to the language standard, and have the driver resolve the 1606 // input kind + language standard. 1607 if (IK == IK_Asm) { 1608 Opts.AsmPreprocessor = 1; 1609 } else if (IK == IK_ObjC || 1610 IK == IK_ObjCXX || 1611 IK == IK_PreprocessedObjC || 1612 IK == IK_PreprocessedObjCXX) { 1613 Opts.ObjC1 = Opts.ObjC2 = 1; 1614 } 1615 1616 if (LangStd == LangStandard::lang_unspecified) { 1617 // Based on the base language, pick one. 1618 switch (IK) { 1619 case IK_None: 1620 case IK_AST: 1621 case IK_LLVM_IR: 1622 llvm_unreachable("Invalid input kind!"); 1623 case IK_OpenCL: 1624 LangStd = LangStandard::lang_opencl; 1625 break; 1626 case IK_CUDA: 1627 LangStd = LangStandard::lang_cuda; 1628 break; 1629 case IK_Asm: 1630 case IK_C: 1631 case IK_PreprocessedC: 1632 case IK_ObjC: 1633 case IK_PreprocessedObjC: 1634 LangStd = LangStandard::lang_gnu99; 1635 break; 1636 case IK_CXX: 1637 case IK_PreprocessedCXX: 1638 case IK_ObjCXX: 1639 case IK_PreprocessedObjCXX: 1640 LangStd = LangStandard::lang_gnucxx98; 1641 break; 1642 } 1643 } 1644 1645 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1646 Opts.BCPLComment = Std.hasBCPLComments(); 1647 Opts.C99 = Std.isC99(); 1648 Opts.C11 = Std.isC11(); 1649 Opts.CPlusPlus = Std.isCPlusPlus(); 1650 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1651 Opts.Digraphs = Std.hasDigraphs(); 1652 Opts.GNUMode = Std.isGNUMode(); 1653 Opts.GNUInline = !Std.isC99(); 1654 Opts.HexFloats = Std.hasHexFloats(); 1655 Opts.ImplicitInt = Std.hasImplicitInt(); 1656 1657 // OpenCL has some additional defaults. 1658 if (LangStd == LangStandard::lang_opencl) { 1659 Opts.OpenCL = 1; 1660 Opts.AltiVec = 0; 1661 Opts.CXXOperatorNames = 1; 1662 Opts.LaxVectorConversions = 0; 1663 Opts.DefaultFPContract = 1; 1664 } 1665 1666 if (LangStd == LangStandard::lang_cuda) 1667 Opts.CUDA = 1; 1668 1669 // OpenCL and C++ both have bool, true, false keywords. 1670 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1671 1672 Opts.GNUKeywords = Opts.GNUMode; 1673 Opts.CXXOperatorNames = Opts.CPlusPlus; 1674 1675 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1676 // is specified, or -std is set to a conforming mode. 1677 Opts.Trigraphs = !Opts.GNUMode; 1678 1679 Opts.DollarIdents = !Opts.AsmPreprocessor; 1680 } 1681 1682 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1683 DiagnosticsEngine &Diags) { 1684 // FIXME: Cleanup per-file based stuff. 1685 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1686 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1687 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1688 #define LANGSTANDARD(id, name, desc, features) \ 1689 .Case(name, LangStandard::lang_##id) 1690 #include "clang/Frontend/LangStandards.def" 1691 .Default(LangStandard::lang_unspecified); 1692 if (LangStd == LangStandard::lang_unspecified) 1693 Diags.Report(diag::err_drv_invalid_value) 1694 << A->getAsString(Args) << A->getValue(Args); 1695 else { 1696 // Valid standard, check to make sure language and standard are compatable. 1697 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1698 switch (IK) { 1699 case IK_C: 1700 case IK_ObjC: 1701 case IK_PreprocessedC: 1702 case IK_PreprocessedObjC: 1703 if (!(Std.isC89() || Std.isC99())) 1704 Diags.Report(diag::err_drv_argument_not_allowed_with) 1705 << A->getAsString(Args) << "C/ObjC"; 1706 break; 1707 case IK_CXX: 1708 case IK_ObjCXX: 1709 case IK_PreprocessedCXX: 1710 case IK_PreprocessedObjCXX: 1711 if (!Std.isCPlusPlus()) 1712 Diags.Report(diag::err_drv_argument_not_allowed_with) 1713 << A->getAsString(Args) << "C++/ObjC++"; 1714 break; 1715 case IK_OpenCL: 1716 if (!Std.isC99()) 1717 Diags.Report(diag::err_drv_argument_not_allowed_with) 1718 << A->getAsString(Args) << "OpenCL"; 1719 break; 1720 case IK_CUDA: 1721 if (!Std.isCPlusPlus()) 1722 Diags.Report(diag::err_drv_argument_not_allowed_with) 1723 << A->getAsString(Args) << "CUDA"; 1724 break; 1725 default: 1726 break; 1727 } 1728 } 1729 } 1730 1731 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1732 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1733 Diags.Report(diag::err_drv_invalid_value) 1734 << A->getAsString(Args) << A->getValue(Args); 1735 } 1736 } 1737 1738 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1739 1740 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1741 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1742 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1743 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1744 // name, as it doesn't seem a useful distinction. 1745 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1746 Opts.GNUKeywords); 1747 1748 if (Args.hasArg(OPT_fno_operator_names)) 1749 Opts.CXXOperatorNames = 0; 1750 1751 if (Opts.ObjC1) { 1752 if (Args.hasArg(OPT_fobjc_gc_only)) 1753 Opts.setGC(LangOptions::GCOnly); 1754 else if (Args.hasArg(OPT_fobjc_gc)) 1755 Opts.setGC(LangOptions::HybridGC); 1756 else if (Args.hasArg(OPT_fobjc_arc)) { 1757 Opts.ObjCAutoRefCount = 1; 1758 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1759 Diags.Report(diag::err_arc_nonfragile_abi); 1760 } 1761 1762 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1763 Opts.ObjCRuntimeHasWeak = 1; 1764 1765 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1766 Opts.ObjCInferRelatedResultType = 0; 1767 } 1768 1769 if (Args.hasArg(OPT_fgnu89_inline)) 1770 Opts.GNUInline = 1; 1771 1772 if (Args.hasArg(OPT_fapple_kext)) { 1773 if (!Opts.CPlusPlus) 1774 Diags.Report(diag::warn_c_kext); 1775 else 1776 Opts.AppleKext = 1; 1777 } 1778 1779 if (Args.hasArg(OPT_print_ivar_layout)) 1780 Opts.ObjCGCBitmapPrint = 1; 1781 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1782 Opts.NoConstantCFStrings = 1; 1783 1784 if (Args.hasArg(OPT_faltivec)) 1785 Opts.AltiVec = 1; 1786 1787 if (Args.hasArg(OPT_pthread)) 1788 Opts.POSIXThreads = 1; 1789 1790 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1791 Opts.DelayedTemplateParsing = 1; 1792 1793 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1794 if (Vis == "default") 1795 Opts.setVisibilityMode(DefaultVisibility); 1796 else if (Vis == "hidden") 1797 Opts.setVisibilityMode(HiddenVisibility); 1798 else if (Vis == "protected") 1799 // FIXME: diagnose if target does not support protected visibility 1800 Opts.setVisibilityMode(ProtectedVisibility); 1801 else 1802 Diags.Report(diag::err_drv_invalid_value) 1803 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1804 1805 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1806 Opts.InlineVisibilityHidden = 1; 1807 1808 if (Args.hasArg(OPT_ftrapv)) { 1809 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1810 // Set the handler, if one is specified. 1811 Opts.OverflowHandler = 1812 Args.getLastArgValue(OPT_ftrapv_handler); 1813 } 1814 else if (Args.hasArg(OPT_fwrapv)) 1815 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1816 1817 if (Args.hasArg(OPT_trigraphs)) 1818 Opts.Trigraphs = 1; 1819 1820 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1821 OPT_fno_dollars_in_identifiers, 1822 Opts.DollarIdents); 1823 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1824 Opts.MicrosoftExt 1825 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1826 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1827 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1828 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1829 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1830 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1831 Opts.ConstStrings); 1832 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1833 Opts.LaxVectorConversions = 0; 1834 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1835 Opts.ThreadsafeStatics = 0; 1836 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1837 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1838 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1839 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1840 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1841 1842 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1843 Opts.Blocks = Args.hasArg(OPT_fblocks); 1844 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1845 Opts.Modules = Args.hasArg(OPT_fmodules); 1846 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1847 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1848 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1849 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1850 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1851 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1852 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1853 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1854 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1855 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1856 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1857 Diags); 1858 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1859 Diags); 1860 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1861 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1862 0, Diags); 1863 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1864 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1865 Opts.ObjCConstantStringClass = 1866 Args.getLastArgValue(OPT_fconstant_string_class); 1867 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1868 if (Opts.ObjCNonFragileABI) 1869 Opts.ObjCNonFragileABI2 = true; 1870 Opts.ObjCDefaultSynthProperties = 1871 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1872 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1873 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1874 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1875 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1876 Opts.Static = Args.hasArg(OPT_static_define); 1877 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1878 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1879 || Args.hasArg(OPT_fdump_record_layouts); 1880 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1881 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1882 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1883 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1884 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1885 Opts.MRTD = Args.hasArg(OPT_mrtd); 1886 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1887 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1888 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1889 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1890 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1891 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1892 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1893 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1894 1895 // Record whether the __DEPRECATED define was requested. 1896 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1897 OPT_fno_deprecated_macro, 1898 Opts.Deprecated); 1899 1900 // FIXME: Eliminate this dependency. 1901 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1902 Opts.Optimize = Opt != 0; 1903 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1904 1905 // This is the __NO_INLINE__ define, which just depends on things like the 1906 // optimization level and -fno-inline, not actually whether the backend has 1907 // inlining enabled. 1908 // 1909 // FIXME: This is affected by other options (-fno-inline). 1910 Opts.NoInline = !Opt; 1911 1912 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1913 1914 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1915 switch (SSP) { 1916 default: 1917 Diags.Report(diag::err_drv_invalid_value) 1918 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1919 break; 1920 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1921 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1922 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1923 } 1924 } 1925 1926 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1927 FileManager &FileMgr, 1928 DiagnosticsEngine &Diags) { 1929 using namespace cc1options; 1930 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1931 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1932 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1933 Opts.TokenCache = A->getValue(Args); 1934 else 1935 Opts.TokenCache = Opts.ImplicitPTHInclude; 1936 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1937 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1938 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1939 1940 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1941 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1942 ie = Args.filtered_end(); it != ie; ++it) { 1943 const Arg *A = *it; 1944 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1945 } 1946 1947 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1948 StringRef Value(A->getValue(Args)); 1949 size_t Comma = Value.find(','); 1950 unsigned Bytes = 0; 1951 unsigned EndOfLine = 0; 1952 1953 if (Comma == StringRef::npos || 1954 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1955 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1956 Diags.Report(diag::err_drv_preamble_format); 1957 else { 1958 Opts.PrecompiledPreambleBytes.first = Bytes; 1959 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1960 } 1961 } 1962 1963 // Add macros from the command line. 1964 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1965 ie = Args.filtered_end(); it != ie; ++it) { 1966 if ((*it)->getOption().matches(OPT_D)) 1967 Opts.addMacroDef((*it)->getValue(Args)); 1968 else 1969 Opts.addMacroUndef((*it)->getValue(Args)); 1970 } 1971 1972 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1973 1974 // Add the ordered list of -includes. 1975 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1976 OPT_include_pth), 1977 ie = Args.filtered_end(); it != ie; ++it) { 1978 const Arg *A = *it; 1979 // PCH is handled specially, we need to extra the original include path. 1980 if (A->getOption().matches(OPT_include_pch)) { 1981 std::string OriginalFile = 1982 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1983 if (OriginalFile.empty()) 1984 continue; 1985 1986 Opts.Includes.push_back(OriginalFile); 1987 } else 1988 Opts.Includes.push_back(A->getValue(Args)); 1989 } 1990 1991 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1992 ie = Args.filtered_end(); it != ie; ++it) { 1993 const Arg *A = *it; 1994 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1995 } 1996 1997 // Include 'altivec.h' if -faltivec option present 1998 if (Args.hasArg(OPT_faltivec)) 1999 Opts.Includes.push_back("altivec.h"); 2000 2001 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2002 ie = Args.filtered_end(); it != ie; ++it) { 2003 const Arg *A = *it; 2004 std::pair<StringRef,StringRef> Split = 2005 StringRef(A->getValue(Args)).split(';'); 2006 2007 if (Split.second.empty()) { 2008 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2009 continue; 2010 } 2011 2012 Opts.addRemappedFile(Split.first, Split.second); 2013 } 2014 2015 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2016 StringRef Name = A->getValue(Args); 2017 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2018 .Case("libc++", ARCXX_libcxx) 2019 .Case("libstdc++", ARCXX_libstdcxx) 2020 .Case("none", ARCXX_nolib) 2021 .Default(~0U); 2022 if (Library == ~0U) 2023 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2024 else 2025 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2026 } 2027 } 2028 2029 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2030 ArgList &Args) { 2031 using namespace cc1options; 2032 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2033 Opts.ShowComments = Args.hasArg(OPT_C); 2034 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2035 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2036 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2037 } 2038 2039 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2040 using namespace cc1options; 2041 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2042 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2043 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2044 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2045 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2046 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2047 2048 // Use the default target triple if unspecified. 2049 if (Opts.Triple.empty()) 2050 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2051 } 2052 2053 // 2054 2055 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2056 const char *const *ArgBegin, 2057 const char *const *ArgEnd, 2058 DiagnosticsEngine &Diags) { 2059 bool Success = true; 2060 2061 // Parse the arguments. 2062 OwningPtr<OptTable> Opts(createCC1OptTable()); 2063 unsigned MissingArgIndex, MissingArgCount; 2064 OwningPtr<InputArgList> Args( 2065 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2066 2067 // Check for missing argument error. 2068 if (MissingArgCount) { 2069 Diags.Report(diag::err_drv_missing_argument) 2070 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2071 Success = false; 2072 } 2073 2074 // Issue errors on unknown arguments. 2075 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2076 ie = Args->filtered_end(); it != ie; ++it) { 2077 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2078 Success = false; 2079 } 2080 2081 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2082 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2083 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2084 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags) 2085 && Success; 2086 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2087 // FIXME: We shouldn't have to pass the DashX option around here 2088 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2089 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2090 && Success; 2091 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2092 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2093 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2094 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2095 Res.getLangOpts()->ObjCExceptions = 1; 2096 } 2097 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2098 // PCH file and find the original header name. Remove the need to do that in 2099 // ParsePreprocessorArgs and remove the FileManager 2100 // parameters from the function and the "FileManager.h" #include. 2101 FileManager FileMgr(Res.getFileSystemOpts()); 2102 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2103 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2104 ParseTargetArgs(Res.getTargetOpts(), *Args); 2105 2106 return Success; 2107 } 2108 2109 namespace { 2110 2111 class ModuleSignature { 2112 llvm::SmallVector<uint64_t, 16> Data; 2113 unsigned CurBit; 2114 uint64_t CurValue; 2115 2116 public: 2117 ModuleSignature() : CurBit(0), CurValue(0) { } 2118 2119 void add(uint64_t Value, unsigned Bits); 2120 void add(StringRef Value); 2121 void flush(); 2122 2123 llvm::APInt getAsInteger() const; 2124 }; 2125 } 2126 2127 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2128 CurValue |= Value << CurBit; 2129 if (CurBit + NumBits < 64) { 2130 CurBit += NumBits; 2131 return; 2132 } 2133 2134 // Add the current word. 2135 Data.push_back(CurValue); 2136 2137 if (CurBit) 2138 CurValue = Value >> (64-CurBit); 2139 else 2140 CurValue = 0; 2141 CurBit = (CurBit+NumBits) & 63; 2142 } 2143 2144 void ModuleSignature::flush() { 2145 if (CurBit == 0) 2146 return; 2147 2148 Data.push_back(CurValue); 2149 CurBit = 0; 2150 CurValue = 0; 2151 } 2152 2153 void ModuleSignature::add(StringRef Value) { 2154 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2155 add(*I, 8); 2156 } 2157 2158 llvm::APInt ModuleSignature::getAsInteger() const { 2159 return llvm::APInt(Data.size() * 64, Data); 2160 } 2161 2162 std::string CompilerInvocation::getModuleHash() const { 2163 ModuleSignature Signature; 2164 2165 // Start the signature with the compiler version. 2166 Signature.add(getClangFullRepositoryVersion()); 2167 2168 // Extend the signature with the language options 2169 #define LANGOPT(Name, Bits, Default, Description) \ 2170 Signature.add(LangOpts->Name, Bits); 2171 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2172 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2173 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2174 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2175 #include "clang/Basic/LangOptions.def" 2176 2177 // Extend the signature with the target triple 2178 llvm::Triple T(TargetOpts.Triple); 2179 Signature.add((unsigned)T.getArch(), 5); 2180 Signature.add((unsigned)T.getVendor(), 4); 2181 Signature.add((unsigned)T.getOS(), 5); 2182 Signature.add((unsigned)T.getEnvironment(), 4); 2183 2184 // Extend the signature with preprocessor options. 2185 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2186 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2187 2188 // Hash the preprocessor defines. 2189 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2190 std::vector<StringRef> MacroDefs; 2191 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2192 I = getPreprocessorOpts().Macros.begin(), 2193 IEnd = getPreprocessorOpts().Macros.end(); 2194 I != IEnd; ++I) { 2195 if (!I->second) 2196 MacroDefs.push_back(I->first); 2197 } 2198 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2199 2200 unsigned PPHashResult = 0; 2201 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2202 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2203 Signature.add(PPHashResult, 32); 2204 2205 // We've generated the signature. Treat it as one large APInt that we'll 2206 // encode in base-36 and return. 2207 Signature.flush(); 2208 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2209 } 2210