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 : 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.ShowOptionNames) 326 Res.push_back("-fdiagnostics-show-option"); 327 if (Opts.ShowCategories == 1) 328 Res.push_back("-fdiagnostics-show-category=id"); 329 else if (Opts.ShowCategories == 2) 330 Res.push_back("-fdiagnostics-show-category=name"); 331 switch (Opts.Format) { 332 case DiagnosticOptions::Clang: 333 Res.push_back("-fdiagnostics-format=clang"); break; 334 case DiagnosticOptions::Msvc: 335 Res.push_back("-fdiagnostics-format=msvc"); break; 336 case DiagnosticOptions::Vi: 337 Res.push_back("-fdiagnostics-format=vi"); break; 338 } 339 if (Opts.ErrorLimit) { 340 Res.push_back("-ferror-limit"); 341 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 342 } 343 if (!Opts.DiagnosticLogFile.empty()) { 344 Res.push_back("-diagnostic-log-file"); 345 Res.push_back(Opts.DiagnosticLogFile); 346 } 347 if (Opts.MacroBacktraceLimit 348 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 349 Res.push_back("-fmacro-backtrace-limit"); 350 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 351 } 352 if (Opts.TemplateBacktraceLimit 353 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 354 Res.push_back("-ftemplate-backtrace-limit"); 355 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 356 } 357 if (Opts.ConstexprBacktraceLimit 358 != DiagnosticOptions::DefaultConstexprBacktraceLimit) { 359 Res.push_back("-fconstexpr-backtrace-limit"); 360 Res.push_back(llvm::utostr(Opts.ConstexprBacktraceLimit)); 361 } 362 363 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 364 Res.push_back("-ftabstop"); 365 Res.push_back(llvm::utostr(Opts.TabStop)); 366 } 367 if (Opts.MessageLength) { 368 Res.push_back("-fmessage-length"); 369 Res.push_back(llvm::utostr(Opts.MessageLength)); 370 } 371 if (!Opts.DumpBuildInformation.empty()) { 372 Res.push_back("-dump-build-information"); 373 Res.push_back(Opts.DumpBuildInformation); 374 } 375 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 376 Res.push_back("-W" + Opts.Warnings[i]); 377 } 378 379 static const char *getInputKindName(InputKind Kind) { 380 switch (Kind) { 381 case IK_None: break; 382 case IK_AST: return "ast"; 383 case IK_Asm: return "assembler-with-cpp"; 384 case IK_C: return "c"; 385 case IK_CXX: return "c++"; 386 case IK_LLVM_IR: return "ir"; 387 case IK_ObjC: return "objective-c"; 388 case IK_ObjCXX: return "objective-c++"; 389 case IK_OpenCL: return "cl"; 390 case IK_CUDA: return "cuda"; 391 case IK_PreprocessedC: return "cpp-output"; 392 case IK_PreprocessedCXX: return "c++-cpp-output"; 393 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 394 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 395 } 396 397 llvm_unreachable("Unexpected language kind!"); 398 } 399 400 static const char *getActionName(frontend::ActionKind Kind) { 401 switch (Kind) { 402 case frontend::PluginAction: 403 llvm_unreachable("Invalid kind!"); 404 405 case frontend::ASTDump: return "-ast-dump"; 406 case frontend::ASTDumpXML: return "-ast-dump-xml"; 407 case frontend::ASTPrint: return "-ast-print"; 408 case frontend::ASTView: return "-ast-view"; 409 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 410 case frontend::DumpTokens: return "-dump-tokens"; 411 case frontend::EmitAssembly: return "-S"; 412 case frontend::EmitBC: return "-emit-llvm-bc"; 413 case frontend::EmitHTML: return "-emit-html"; 414 case frontend::EmitLLVM: return "-emit-llvm"; 415 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 416 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 417 case frontend::EmitObj: return "-emit-obj"; 418 case frontend::FixIt: return "-fixit"; 419 case frontend::GenerateModule: return "-emit-module"; 420 case frontend::GeneratePCH: return "-emit-pch"; 421 case frontend::GeneratePTH: return "-emit-pth"; 422 case frontend::InitOnly: return "-init-only"; 423 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 424 case frontend::PrintDeclContext: return "-print-decl-contexts"; 425 case frontend::PrintPreamble: return "-print-preamble"; 426 case frontend::PrintPreprocessedInput: return "-E"; 427 case frontend::RewriteMacros: return "-rewrite-macros"; 428 case frontend::RewriteObjC: return "-rewrite-objc"; 429 case frontend::RewriteTest: return "-rewrite-test"; 430 case frontend::RunAnalysis: return "-analyze"; 431 case frontend::MigrateSource: return "-migrate"; 432 case frontend::RunPreprocessorOnly: return "-Eonly"; 433 } 434 435 llvm_unreachable("Unexpected language kind!"); 436 } 437 438 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 439 std::vector<std::string> &Res) { 440 if (!Opts.WorkingDir.empty()) { 441 Res.push_back("-working-directory"); 442 Res.push_back(Opts.WorkingDir); 443 } 444 } 445 446 static void FrontendOptsToArgs(const FrontendOptions &Opts, 447 std::vector<std::string> &Res) { 448 if (Opts.DisableFree) 449 Res.push_back("-disable-free"); 450 if (Opts.RelocatablePCH) 451 Res.push_back("-relocatable-pch"); 452 if (Opts.ShowHelp) 453 Res.push_back("-help"); 454 if (Opts.ShowMacrosInCodeCompletion) 455 Res.push_back("-code-completion-macros"); 456 if (Opts.ShowCodePatternsInCodeCompletion) 457 Res.push_back("-code-completion-patterns"); 458 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 459 Res.push_back("-no-code-completion-globals"); 460 if (Opts.ShowStats) 461 Res.push_back("-print-stats"); 462 if (Opts.ShowTimers) 463 Res.push_back("-ftime-report"); 464 if (Opts.ShowVersion) 465 Res.push_back("-version"); 466 if (Opts.FixWhatYouCan) 467 Res.push_back("-fix-what-you-can"); 468 if (Opts.FixOnlyWarnings) 469 Res.push_back("-fix-only-warnings"); 470 if (Opts.FixAndRecompile) 471 Res.push_back("-fixit-recompile"); 472 if (Opts.FixToTemporaries) 473 Res.push_back("-fixit-to-temporary"); 474 switch (Opts.ARCMTAction) { 475 case FrontendOptions::ARCMT_None: 476 break; 477 case FrontendOptions::ARCMT_Check: 478 Res.push_back("-arcmt-check"); 479 break; 480 case FrontendOptions::ARCMT_Modify: 481 Res.push_back("-arcmt-modify"); 482 break; 483 case FrontendOptions::ARCMT_Migrate: 484 Res.push_back("-arcmt-migrate"); 485 break; 486 } 487 if (!Opts.MTMigrateDir.empty()) { 488 Res.push_back("-mt-migrate-directory"); 489 Res.push_back(Opts.MTMigrateDir); 490 } 491 if (!Opts.ARCMTMigrateReportOut.empty()) { 492 Res.push_back("-arcmt-migrate-report-output"); 493 Res.push_back(Opts.ARCMTMigrateReportOut); 494 } 495 if (Opts.ARCMTMigrateEmitARCErrors) 496 Res.push_back("-arcmt-migrate-emit-errors"); 497 498 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 499 Res.push_back("-objcmt-migrate-literals"); 500 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 501 Res.push_back("-objcmt-migrate-subscripting"); 502 503 bool NeedLang = false; 504 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 505 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 506 Opts.Inputs[i].Kind) 507 NeedLang = true; 508 if (NeedLang) { 509 Res.push_back("-x"); 510 Res.push_back(getInputKindName(Opts.Inputs[0].Kind)); 511 } 512 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 513 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 514 "Unable to represent this input vector!"); 515 Res.push_back(Opts.Inputs[i].File); 516 } 517 518 if (!Opts.OutputFile.empty()) { 519 Res.push_back("-o"); 520 Res.push_back(Opts.OutputFile); 521 } 522 if (!Opts.CodeCompletionAt.FileName.empty()) { 523 Res.push_back("-code-completion-at"); 524 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 525 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 526 llvm::utostr(Opts.CodeCompletionAt.Column)); 527 } 528 if (Opts.ProgramAction != frontend::PluginAction) 529 Res.push_back(getActionName(Opts.ProgramAction)); 530 if (!Opts.ActionName.empty()) { 531 Res.push_back("-plugin"); 532 Res.push_back(Opts.ActionName); 533 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 534 Res.push_back("-plugin-arg-" + Opts.ActionName); 535 Res.push_back(Opts.PluginArgs[i]); 536 } 537 } 538 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 539 Res.push_back("-load"); 540 Res.push_back(Opts.Plugins[i]); 541 } 542 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 543 Res.push_back("-add-plugin"); 544 Res.push_back(Opts.AddPluginActions[i]); 545 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 546 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 547 Res.push_back(Opts.AddPluginArgs[i][ai]); 548 } 549 } 550 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 551 Res.push_back("-ast-merge"); 552 Res.push_back(Opts.ASTMergeFiles[i]); 553 } 554 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 555 Res.push_back("-mllvm"); 556 Res.push_back(Opts.LLVMArgs[i]); 557 } 558 if (!Opts.OverrideRecordLayoutsFile.empty()) 559 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 560 } 561 562 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 563 std::vector<std::string> &Res) { 564 if (Opts.Sysroot != "/") { 565 Res.push_back("-isysroot"); 566 Res.push_back(Opts.Sysroot); 567 } 568 569 /// User specified include entries. 570 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 571 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 572 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 573 llvm::report_fatal_error("Invalid option set!"); 574 if (E.IsUserSupplied) { 575 switch (E.Group) { 576 case frontend::After: 577 Res.push_back("-idirafter"); 578 break; 579 580 case frontend::Quoted: 581 Res.push_back("-iquote"); 582 break; 583 584 case frontend::System: 585 Res.push_back("-isystem"); 586 break; 587 588 case frontend::IndexHeaderMap: 589 Res.push_back("-index-header-map"); 590 Res.push_back(E.IsFramework? "-F" : "-I"); 591 break; 592 593 case frontend::CSystem: 594 Res.push_back("-c-isystem"); 595 break; 596 597 case frontend::CXXSystem: 598 Res.push_back("-cxx-isystem"); 599 break; 600 601 case frontend::ObjCSystem: 602 Res.push_back("-objc-isystem"); 603 break; 604 605 case frontend::ObjCXXSystem: 606 Res.push_back("-objcxx-isystem"); 607 break; 608 609 case frontend::Angled: 610 Res.push_back(E.IsFramework ? "-F" : "-I"); 611 break; 612 } 613 } else { 614 if (E.IsInternal) { 615 assert(E.Group == frontend::System && "Unexpected header search group"); 616 if (E.ImplicitExternC) 617 Res.push_back("-internal-externc-isystem"); 618 else 619 Res.push_back("-internal-isystem"); 620 } else { 621 if (E.Group != frontend::Angled && E.Group != frontend::System) 622 llvm::report_fatal_error("Invalid option set!"); 623 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 624 "-iwithprefix"); 625 } 626 } 627 Res.push_back(E.Path); 628 } 629 630 if (!Opts.ResourceDir.empty()) { 631 Res.push_back("-resource-dir"); 632 Res.push_back(Opts.ResourceDir); 633 } 634 if (!Opts.ModuleCachePath.empty()) { 635 Res.push_back("-fmodule-cache-path"); 636 Res.push_back(Opts.ModuleCachePath); 637 } 638 if (!Opts.UseStandardSystemIncludes) 639 Res.push_back("-nostdsysteminc"); 640 if (!Opts.UseStandardCXXIncludes) 641 Res.push_back("-nostdinc++"); 642 if (Opts.UseLibcxx) 643 Res.push_back("-stdlib=libc++"); 644 if (Opts.Verbose) 645 Res.push_back("-v"); 646 } 647 648 static void LangOptsToArgs(const LangOptions &Opts, 649 std::vector<std::string> &Res) { 650 LangOptions DefaultLangOpts; 651 652 // FIXME: Need to set -std to get all the implicit options. 653 654 // FIXME: We want to only pass options relative to the defaults, which 655 // requires constructing a target. :( 656 // 657 // It would be better to push the all target specific choices into the driver, 658 // so that everything below that was more uniform. 659 660 if (Opts.Trigraphs) 661 Res.push_back("-trigraphs"); 662 // Implicit based on the input kind: 663 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 664 // Implicit based on the input language standard: 665 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 666 if (Opts.DollarIdents) 667 Res.push_back("-fdollars-in-identifiers"); 668 if (Opts.GNUMode && !Opts.GNUKeywords) 669 Res.push_back("-fno-gnu-keywords"); 670 if (!Opts.GNUMode && Opts.GNUKeywords) 671 Res.push_back("-fgnu-keywords"); 672 if (Opts.MicrosoftExt) 673 Res.push_back("-fms-extensions"); 674 if (Opts.MicrosoftMode) 675 Res.push_back("-fms-compatibility"); 676 if (Opts.MSCVersion != 0) 677 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 678 if (Opts.Borland) 679 Res.push_back("-fborland-extensions"); 680 if (!Opts.ObjCNonFragileABI) 681 Res.push_back("-fobjc-fragile-abi"); 682 if (Opts.ObjCDefaultSynthProperties) 683 Res.push_back("-fobjc-default-synthesize-properties"); 684 // NoInline is implicit. 685 if (!Opts.CXXOperatorNames) 686 Res.push_back("-fno-operator-names"); 687 if (Opts.PascalStrings) 688 Res.push_back("-fpascal-strings"); 689 if (Opts.CatchUndefined) 690 Res.push_back("-fcatch-undefined-behavior"); 691 if (Opts.AddressSanitizer) 692 Res.push_back("-faddress-sanitizer"); 693 if (Opts.ThreadSanitizer) 694 Res.push_back("-fthread-sanitizer"); 695 if (Opts.WritableStrings) 696 Res.push_back("-fwritable-strings"); 697 if (Opts.ConstStrings) 698 Res.push_back("-fconst-strings"); 699 if (!Opts.LaxVectorConversions) 700 Res.push_back("-fno-lax-vector-conversions"); 701 if (Opts.AltiVec) 702 Res.push_back("-faltivec"); 703 if (Opts.Exceptions) 704 Res.push_back("-fexceptions"); 705 if (Opts.ObjCExceptions) 706 Res.push_back("-fobjc-exceptions"); 707 if (Opts.CXXExceptions) 708 Res.push_back("-fcxx-exceptions"); 709 if (Opts.SjLjExceptions) 710 Res.push_back("-fsjlj-exceptions"); 711 if (Opts.TraditionalCPP) 712 Res.push_back("-traditional-cpp"); 713 if (!Opts.RTTI) 714 Res.push_back("-fno-rtti"); 715 if (Opts.MSBitfields) 716 Res.push_back("-mms-bitfields"); 717 if (!Opts.NeXTRuntime) 718 Res.push_back("-fgnu-runtime"); 719 if (Opts.Freestanding) 720 Res.push_back("-ffreestanding"); 721 if (Opts.NoBuiltin) 722 Res.push_back("-fno-builtin"); 723 if (!Opts.AssumeSaneOperatorNew) 724 Res.push_back("-fno-assume-sane-operator-new"); 725 if (!Opts.ThreadsafeStatics) 726 Res.push_back("-fno-threadsafe-statics"); 727 if (Opts.POSIXThreads) 728 Res.push_back("-pthread"); 729 if (Opts.Blocks) 730 Res.push_back("-fblocks"); 731 if (Opts.BlocksRuntimeOptional) 732 Res.push_back("-fblocks-runtime-optional"); 733 if (Opts.Modules) 734 Res.push_back("-fmodules"); 735 if (Opts.EmitAllDecls) 736 Res.push_back("-femit-all-decls"); 737 if (Opts.MathErrno) 738 Res.push_back("-fmath-errno"); 739 switch (Opts.getSignedOverflowBehavior()) { 740 case LangOptions::SOB_Undefined: break; 741 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 742 case LangOptions::SOB_Trapping: 743 Res.push_back("-ftrapv"); 744 if (!Opts.OverflowHandler.empty()) { 745 Res.push_back("-ftrapv-handler"); 746 Res.push_back(Opts.OverflowHandler); 747 } 748 break; 749 } 750 if (Opts.HeinousExtensions) 751 Res.push_back("-fheinous-gnu-extensions"); 752 // Optimize is implicit. 753 // OptimizeSize is implicit. 754 if (Opts.FastMath) 755 Res.push_back("-ffast-math"); 756 if (Opts.Static) 757 Res.push_back("-static-define"); 758 if (Opts.DumpRecordLayoutsSimple) 759 Res.push_back("-fdump-record-layouts-simple"); 760 else if (Opts.DumpRecordLayouts) 761 Res.push_back("-fdump-record-layouts"); 762 if (Opts.DumpVTableLayouts) 763 Res.push_back("-fdump-vtable-layouts"); 764 if (Opts.NoBitFieldTypeAlign) 765 Res.push_back("-fno-bitfield-type-alignment"); 766 if (Opts.PICLevel) { 767 Res.push_back("-pic-level"); 768 Res.push_back(llvm::utostr(Opts.PICLevel)); 769 } 770 if (Opts.ObjCGCBitmapPrint) 771 Res.push_back("-print-ivar-layout"); 772 if (Opts.NoConstantCFStrings) 773 Res.push_back("-fno-constant-cfstrings"); 774 if (!Opts.AccessControl) 775 Res.push_back("-fno-access-control"); 776 if (!Opts.CharIsSigned) 777 Res.push_back("-fno-signed-char"); 778 if (Opts.ShortWChar) 779 Res.push_back("-fshort-wchar"); 780 if (!Opts.ElideConstructors) 781 Res.push_back("-fno-elide-constructors"); 782 if (Opts.getGC() != LangOptions::NonGC) { 783 if (Opts.getGC() == LangOptions::HybridGC) { 784 Res.push_back("-fobjc-gc"); 785 } else { 786 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 787 Res.push_back("-fobjc-gc-only"); 788 } 789 } 790 if (Opts.ObjCAutoRefCount) 791 Res.push_back("-fobjc-arc"); 792 if (Opts.ObjCRuntimeHasWeak) 793 Res.push_back("-fobjc-runtime-has-weak"); 794 if (!Opts.ObjCInferRelatedResultType) 795 Res.push_back("-fno-objc-infer-related-result-type"); 796 797 if (Opts.AppleKext) 798 Res.push_back("-fapple-kext"); 799 800 if (Opts.getVisibilityMode() != DefaultVisibility) { 801 Res.push_back("-fvisibility"); 802 if (Opts.getVisibilityMode() == HiddenVisibility) { 803 Res.push_back("hidden"); 804 } else { 805 assert(Opts.getVisibilityMode() == ProtectedVisibility && 806 "Invalid visibility!"); 807 Res.push_back("protected"); 808 } 809 } 810 if (Opts.InlineVisibilityHidden) 811 Res.push_back("-fvisibility-inlines-hidden"); 812 813 if (Opts.getStackProtector() != 0) { 814 Res.push_back("-stack-protector"); 815 Res.push_back(llvm::utostr(Opts.getStackProtector())); 816 } 817 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 818 Res.push_back("-ftemplate-depth"); 819 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 820 } 821 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 822 Res.push_back("-fconstexpr-depth"); 823 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 824 } 825 if (!Opts.ObjCConstantStringClass.empty()) { 826 Res.push_back("-fconstant-string-class"); 827 Res.push_back(Opts.ObjCConstantStringClass); 828 } 829 if (Opts.FakeAddressSpaceMap) 830 Res.push_back("-ffake-address-space-map"); 831 if (Opts.ParseUnknownAnytype) 832 Res.push_back("-funknown-anytype"); 833 if (Opts.DebuggerSupport) 834 Res.push_back("-fdebugger-support"); 835 if (Opts.DebuggerCastResultToId) 836 Res.push_back("-fdebugger-cast-result-to-id"); 837 if (Opts.DebuggerObjCLiteral) 838 Res.push_back("-fdebugger-objc-literal"); 839 if (Opts.DelayedTemplateParsing) 840 Res.push_back("-fdelayed-template-parsing"); 841 if (Opts.Deprecated) 842 Res.push_back("-fdeprecated-macro"); 843 if (Opts.ApplePragmaPack) 844 Res.push_back("-fapple-pragma-pack"); 845 if (!Opts.CurrentModule.empty()) 846 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 847 } 848 849 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 850 std::vector<std::string> &Res) { 851 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 852 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 853 Opts.Macros[i].first); 854 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 855 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 856 Res.push_back("-include"); 857 Res.push_back(Opts.Includes[i]); 858 } 859 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 860 Res.push_back("-imacros"); 861 Res.push_back(Opts.MacroIncludes[i]); 862 } 863 if (!Opts.UsePredefines) 864 Res.push_back("-undef"); 865 if (Opts.DetailedRecord) 866 Res.push_back("-detailed-preprocessing-record"); 867 if (!Opts.ImplicitPCHInclude.empty()) { 868 Res.push_back("-include-pch"); 869 Res.push_back(Opts.ImplicitPCHInclude); 870 } 871 if (!Opts.ImplicitPTHInclude.empty()) { 872 Res.push_back("-include-pth"); 873 Res.push_back(Opts.ImplicitPTHInclude); 874 } 875 if (!Opts.TokenCache.empty()) { 876 if (Opts.ImplicitPTHInclude.empty()) { 877 Res.push_back("-token-cache"); 878 Res.push_back(Opts.TokenCache); 879 } else 880 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 881 "Unsupported option combination!"); 882 } 883 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 884 Res.push_back("-chain-include"); 885 Res.push_back(Opts.ChainedIncludes[i]); 886 } 887 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 888 Res.push_back("-remap-file"); 889 Res.push_back(Opts.RemappedFiles[i].first + ";" + 890 Opts.RemappedFiles[i].second); 891 } 892 } 893 894 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 895 std::vector<std::string> &Res) { 896 if (!Opts.ShowCPP && !Opts.ShowMacros) 897 llvm::report_fatal_error("Invalid option combination!"); 898 899 if (Opts.ShowCPP && Opts.ShowMacros) 900 Res.push_back("-dD"); 901 else if (!Opts.ShowCPP && Opts.ShowMacros) 902 Res.push_back("-dM"); 903 904 if (!Opts.ShowLineMarkers) 905 Res.push_back("-P"); 906 if (Opts.ShowComments) 907 Res.push_back("-C"); 908 if (Opts.ShowMacroComments) 909 Res.push_back("-CC"); 910 } 911 912 static void TargetOptsToArgs(const TargetOptions &Opts, 913 std::vector<std::string> &Res) { 914 Res.push_back("-triple"); 915 Res.push_back(Opts.Triple); 916 if (!Opts.CPU.empty()) { 917 Res.push_back("-target-cpu"); 918 Res.push_back(Opts.CPU); 919 } 920 if (!Opts.ABI.empty()) { 921 Res.push_back("-target-abi"); 922 Res.push_back(Opts.ABI); 923 } 924 if (!Opts.LinkerVersion.empty()) { 925 Res.push_back("-target-linker-version"); 926 Res.push_back(Opts.LinkerVersion); 927 } 928 if (!Opts.CXXABI.empty()) { 929 Res.push_back("-cxx-abi"); 930 Res.push_back(Opts.CXXABI); 931 } 932 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 933 Res.push_back("-target-feature"); 934 Res.push_back(Opts.Features[i]); 935 } 936 } 937 938 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 939 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 940 CodeGenOptsToArgs(getCodeGenOpts(), Res); 941 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 942 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 943 FileSystemOptsToArgs(getFileSystemOpts(), Res); 944 FrontendOptsToArgs(getFrontendOpts(), Res); 945 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 946 LangOptsToArgs(*getLangOpts(), Res); 947 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 948 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 949 TargetOptsToArgs(getTargetOpts(), Res); 950 } 951 952 //===----------------------------------------------------------------------===// 953 // Deserialization (to args) 954 //===----------------------------------------------------------------------===// 955 956 using namespace clang::driver; 957 using namespace clang::driver::cc1options; 958 959 // 960 961 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 962 DiagnosticsEngine &Diags) { 963 unsigned DefaultOpt = 0; 964 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 965 DefaultOpt = 2; 966 // -Os/-Oz implies -O2 967 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 968 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 969 } 970 971 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 972 DiagnosticsEngine &Diags) { 973 using namespace cc1options; 974 bool Success = true; 975 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 976 StringRef Name = A->getValue(Args); 977 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 978 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 979 .Case(CMDFLAG, NAME##Model) 980 #include "clang/Frontend/Analyses.def" 981 .Default(NumStores); 982 if (Value == NumStores) { 983 Diags.Report(diag::err_drv_invalid_value) 984 << A->getAsString(Args) << Name; 985 Success = false; 986 } else { 987 Opts.AnalysisStoreOpt = Value; 988 } 989 } 990 991 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 992 StringRef Name = A->getValue(Args); 993 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 994 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 995 .Case(CMDFLAG, NAME##Model) 996 #include "clang/Frontend/Analyses.def" 997 .Default(NumConstraints); 998 if (Value == NumConstraints) { 999 Diags.Report(diag::err_drv_invalid_value) 1000 << A->getAsString(Args) << Name; 1001 Success = false; 1002 } else { 1003 Opts.AnalysisConstraintsOpt = Value; 1004 } 1005 } 1006 1007 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1008 StringRef Name = A->getValue(Args); 1009 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1010 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1011 .Case(CMDFLAG, PD_##NAME) 1012 #include "clang/Frontend/Analyses.def" 1013 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1014 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1015 Diags.Report(diag::err_drv_invalid_value) 1016 << A->getAsString(Args) << Name; 1017 Success = false; 1018 } else { 1019 Opts.AnalysisDiagOpt = Value; 1020 } 1021 } 1022 1023 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1024 StringRef Name = A->getValue(Args); 1025 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1026 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1027 .Case(CMDFLAG, NAME) 1028 #include "clang/Frontend/Analyses.def" 1029 .Default(NumPurgeModes); 1030 if (Value == NumPurgeModes) { 1031 Diags.Report(diag::err_drv_invalid_value) 1032 << A->getAsString(Args) << Name; 1033 Success = false; 1034 } else { 1035 Opts.AnalysisPurgeOpt = Value; 1036 } 1037 } 1038 1039 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1040 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1041 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1042 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1043 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1044 Opts.AnalyzeNestedBlocks = 1045 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1046 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1047 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1048 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1049 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1050 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1051 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1052 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1053 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1054 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1055 if (Args.hasArg(OPT_analyzer_inline_call)) 1056 Opts.InlineCall = 1; 1057 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1058 Opts.InlineMaxStackDepth = 1059 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1060 Opts.InlineMaxStackDepth, Diags); 1061 Opts.InlineMaxFunctionSize = 1062 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1063 Opts.InlineMaxFunctionSize, Diags); 1064 1065 Opts.CheckersControlList.clear(); 1066 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1067 OPT_analyzer_disable_checker), 1068 ie = Args.filtered_end(); it != ie; ++it) { 1069 const Arg *A = *it; 1070 A->claim(); 1071 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1072 // We can have a list of comma separated checker names, e.g: 1073 // '-analyzer-checker=cocoa,unix' 1074 StringRef checkerList = A->getValue(Args); 1075 SmallVector<StringRef, 4> checkers; 1076 checkerList.split(checkers, ","); 1077 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1078 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1079 } 1080 1081 return Success; 1082 } 1083 1084 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1085 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1086 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1087 return true; 1088 } 1089 1090 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1091 DiagnosticsEngine &Diags) { 1092 using namespace cc1options; 1093 bool Success = true; 1094 1095 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1096 if (OptLevel > 3) { 1097 Diags.Report(diag::err_drv_invalid_value) 1098 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1099 OptLevel = 3; 1100 Success = false; 1101 } 1102 Opts.OptimizationLevel = OptLevel; 1103 1104 // We must always run at least the always inlining pass. 1105 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1106 : CodeGenOptions::OnlyAlwaysInlining; 1107 // -fno-inline-functions overrides OptimizationLevel > 1. 1108 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1109 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1110 1111 Opts.DebugInfo = Args.hasArg(OPT_g); 1112 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1113 || Args.hasArg(OPT_flimit_debug_info); 1114 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1115 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1116 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1117 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1118 OPT_fuse_register_sized_bitfield_access); 1119 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1120 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1121 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1122 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1123 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1124 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1125 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1126 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1127 Args.hasArg(OPT_ffreestanding)); 1128 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1129 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1130 1131 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1132 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1133 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1134 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1135 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1136 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1137 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1138 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1139 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1140 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1141 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1142 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1143 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1144 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1145 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1146 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1147 Args.hasArg(OPT_cl_finite_math_only)|| 1148 Args.hasArg(OPT_cl_fast_relaxed_math)); 1149 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1150 Args.hasArg(OPT_cl_finite_math_only)|| 1151 Args.hasArg(OPT_cl_fast_relaxed_math)); 1152 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1153 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1154 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1155 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1156 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1157 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1158 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1159 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1160 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1161 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1162 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1163 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1164 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1165 Args.hasArg(OPT_cl_fast_relaxed_math); 1166 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1167 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1168 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1169 1170 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1171 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1172 1173 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1174 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1175 1176 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1177 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1178 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1179 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1180 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1181 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1182 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1183 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1184 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1185 StringRef Val = A->getValue(Args); 1186 Val.getAsInteger(10, Opts.StackAlignment); 1187 } 1188 1189 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1190 StringRef Name = A->getValue(Args); 1191 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1192 .Case("legacy", CodeGenOptions::Legacy) 1193 .Case("non-legacy", CodeGenOptions::NonLegacy) 1194 .Case("mixed", CodeGenOptions::Mixed) 1195 .Default(~0U); 1196 if (Method == ~0U) { 1197 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1198 Success = false; 1199 } else { 1200 Opts.ObjCDispatchMethod = Method; 1201 } 1202 } 1203 1204 return Success; 1205 } 1206 1207 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1208 ArgList &Args) { 1209 using namespace cc1options; 1210 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1211 Opts.Targets = Args.getAllArgValues(OPT_MT); 1212 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1213 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1214 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1215 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1216 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1217 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1218 } 1219 1220 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1221 DiagnosticsEngine &Diags) { 1222 using namespace cc1options; 1223 bool Success = true; 1224 1225 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1226 Opts.DiagnosticSerializationFile = 1227 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1228 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1229 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1230 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1231 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1232 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1233 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1234 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1235 OPT_fno_show_column, 1236 /*Default=*/true); 1237 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1238 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1239 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1240 1241 // Default behavior is to not to show note include stacks. 1242 Opts.ShowNoteIncludeStack = false; 1243 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1244 OPT_fno_diagnostics_show_note_include_stack)) 1245 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1246 Opts.ShowNoteIncludeStack = true; 1247 1248 StringRef ShowOverloads = 1249 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1250 if (ShowOverloads == "best") 1251 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1252 else if (ShowOverloads == "all") 1253 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1254 else { 1255 Diags.Report(diag::err_drv_invalid_value) 1256 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1257 << ShowOverloads; 1258 Success = false; 1259 } 1260 1261 StringRef ShowCategory = 1262 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1263 if (ShowCategory == "none") 1264 Opts.ShowCategories = 0; 1265 else if (ShowCategory == "id") 1266 Opts.ShowCategories = 1; 1267 else if (ShowCategory == "name") 1268 Opts.ShowCategories = 2; 1269 else { 1270 Diags.Report(diag::err_drv_invalid_value) 1271 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1272 << ShowCategory; 1273 Success = false; 1274 } 1275 1276 StringRef Format = 1277 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1278 if (Format == "clang") 1279 Opts.Format = DiagnosticOptions::Clang; 1280 else if (Format == "msvc") 1281 Opts.Format = DiagnosticOptions::Msvc; 1282 else if (Format == "vi") 1283 Opts.Format = DiagnosticOptions::Vi; 1284 else { 1285 Diags.Report(diag::err_drv_invalid_value) 1286 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1287 << Format; 1288 Success = false; 1289 } 1290 1291 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1292 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1293 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1294 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1295 Opts.MacroBacktraceLimit 1296 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1297 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1298 Opts.TemplateBacktraceLimit 1299 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1300 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1301 Diags); 1302 Opts.ConstexprBacktraceLimit 1303 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1304 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1305 Diags); 1306 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1307 DiagnosticOptions::DefaultTabStop, Diags); 1308 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1309 Diags.Report(diag::warn_ignoring_ftabstop_value) 1310 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1311 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1312 } 1313 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1314 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1315 Opts.Warnings = Args.getAllArgValues(OPT_W); 1316 1317 return Success; 1318 } 1319 1320 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1321 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1322 } 1323 1324 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1325 DiagnosticsEngine &Diags) { 1326 using namespace cc1options; 1327 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1328 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1329 switch (A->getOption().getID()) { 1330 default: 1331 llvm_unreachable("Invalid option in group!"); 1332 case OPT_ast_dump: 1333 Opts.ProgramAction = frontend::ASTDump; break; 1334 case OPT_ast_dump_xml: 1335 Opts.ProgramAction = frontend::ASTDumpXML; break; 1336 case OPT_ast_print: 1337 Opts.ProgramAction = frontend::ASTPrint; break; 1338 case OPT_ast_view: 1339 Opts.ProgramAction = frontend::ASTView; break; 1340 case OPT_dump_raw_tokens: 1341 Opts.ProgramAction = frontend::DumpRawTokens; break; 1342 case OPT_dump_tokens: 1343 Opts.ProgramAction = frontend::DumpTokens; break; 1344 case OPT_S: 1345 Opts.ProgramAction = frontend::EmitAssembly; break; 1346 case OPT_emit_llvm_bc: 1347 Opts.ProgramAction = frontend::EmitBC; break; 1348 case OPT_emit_html: 1349 Opts.ProgramAction = frontend::EmitHTML; break; 1350 case OPT_emit_llvm: 1351 Opts.ProgramAction = frontend::EmitLLVM; break; 1352 case OPT_emit_llvm_only: 1353 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1354 case OPT_emit_codegen_only: 1355 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1356 case OPT_emit_obj: 1357 Opts.ProgramAction = frontend::EmitObj; break; 1358 case OPT_fixit_EQ: 1359 Opts.FixItSuffix = A->getValue(Args); 1360 // fall-through! 1361 case OPT_fixit: 1362 Opts.ProgramAction = frontend::FixIt; break; 1363 case OPT_emit_module: 1364 Opts.ProgramAction = frontend::GenerateModule; break; 1365 case OPT_emit_pch: 1366 Opts.ProgramAction = frontend::GeneratePCH; break; 1367 case OPT_emit_pth: 1368 Opts.ProgramAction = frontend::GeneratePTH; break; 1369 case OPT_init_only: 1370 Opts.ProgramAction = frontend::InitOnly; break; 1371 case OPT_fsyntax_only: 1372 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1373 case OPT_print_decl_contexts: 1374 Opts.ProgramAction = frontend::PrintDeclContext; break; 1375 case OPT_print_preamble: 1376 Opts.ProgramAction = frontend::PrintPreamble; break; 1377 case OPT_E: 1378 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1379 case OPT_rewrite_macros: 1380 Opts.ProgramAction = frontend::RewriteMacros; break; 1381 case OPT_rewrite_objc: 1382 Opts.ProgramAction = frontend::RewriteObjC; break; 1383 case OPT_rewrite_test: 1384 Opts.ProgramAction = frontend::RewriteTest; break; 1385 case OPT_analyze: 1386 Opts.ProgramAction = frontend::RunAnalysis; break; 1387 case OPT_migrate: 1388 Opts.ProgramAction = frontend::MigrateSource; break; 1389 case OPT_Eonly: 1390 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1391 } 1392 } 1393 1394 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1395 Opts.Plugins.push_back(A->getValue(Args,0)); 1396 Opts.ProgramAction = frontend::PluginAction; 1397 Opts.ActionName = A->getValue(Args); 1398 1399 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1400 end = Args.filtered_end(); it != end; ++it) { 1401 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1402 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1403 } 1404 } 1405 1406 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1407 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1408 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1409 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1410 end = Args.filtered_end(); it != end; ++it) { 1411 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1412 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1413 } 1414 } 1415 1416 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1417 Opts.CodeCompletionAt = 1418 ParsedSourceLocation::FromString(A->getValue(Args)); 1419 if (Opts.CodeCompletionAt.FileName.empty()) 1420 Diags.Report(diag::err_drv_invalid_value) 1421 << A->getAsString(Args) << A->getValue(Args); 1422 } 1423 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1424 1425 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1426 Opts.Plugins = Args.getAllArgValues(OPT_load); 1427 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1428 Opts.ShowHelp = Args.hasArg(OPT_help); 1429 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1430 Opts.ShowCodePatternsInCodeCompletion 1431 = Args.hasArg(OPT_code_completion_patterns); 1432 Opts.ShowGlobalSymbolsInCodeCompletion 1433 = !Args.hasArg(OPT_no_code_completion_globals); 1434 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1435 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1436 Opts.ShowVersion = Args.hasArg(OPT_version); 1437 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1438 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1439 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1440 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1441 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1442 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1443 Opts.OverrideRecordLayoutsFile 1444 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1445 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1446 OPT_arcmt_modify, 1447 OPT_arcmt_migrate)) { 1448 switch (A->getOption().getID()) { 1449 default: 1450 llvm_unreachable("missed a case"); 1451 case OPT_arcmt_check: 1452 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1453 break; 1454 case OPT_arcmt_modify: 1455 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1456 break; 1457 case OPT_arcmt_migrate: 1458 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1459 break; 1460 } 1461 } 1462 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1463 Opts.ARCMTMigrateReportOut 1464 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1465 Opts.ARCMTMigrateEmitARCErrors 1466 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1467 1468 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1469 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1470 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1471 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1472 1473 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1474 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1475 Diags.Report(diag::err_drv_argument_not_allowed_with) 1476 << "ARC migration" << "ObjC migration"; 1477 } 1478 1479 InputKind DashX = IK_None; 1480 if (const Arg *A = Args.getLastArg(OPT_x)) { 1481 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1482 .Case("c", IK_C) 1483 .Case("cl", IK_OpenCL) 1484 .Case("cuda", IK_CUDA) 1485 .Case("c++", IK_CXX) 1486 .Case("objective-c", IK_ObjC) 1487 .Case("objective-c++", IK_ObjCXX) 1488 .Case("cpp-output", IK_PreprocessedC) 1489 .Case("assembler-with-cpp", IK_Asm) 1490 .Case("c++-cpp-output", IK_PreprocessedCXX) 1491 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1492 .Case("objc-cpp-output", IK_PreprocessedObjC) 1493 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1494 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1495 .Case("c-header", IK_C) 1496 .Case("cl-header", IK_OpenCL) 1497 .Case("objective-c-header", IK_ObjC) 1498 .Case("c++-header", IK_CXX) 1499 .Case("objective-c++-header", IK_ObjCXX) 1500 .Case("ast", IK_AST) 1501 .Case("ir", IK_LLVM_IR) 1502 .Default(IK_None); 1503 if (DashX == IK_None) 1504 Diags.Report(diag::err_drv_invalid_value) 1505 << A->getAsString(Args) << A->getValue(Args); 1506 } 1507 1508 // '-' is the default input if none is given. 1509 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1510 Opts.Inputs.clear(); 1511 if (Inputs.empty()) 1512 Inputs.push_back("-"); 1513 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1514 InputKind IK = DashX; 1515 if (IK == IK_None) { 1516 IK = FrontendOptions::getInputKindForExtension( 1517 StringRef(Inputs[i]).rsplit('.').second); 1518 // FIXME: Remove this hack. 1519 if (i == 0) 1520 DashX = IK; 1521 } 1522 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1523 } 1524 1525 return DashX; 1526 } 1527 1528 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1529 void *MainAddr) { 1530 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1531 1532 if (!P.isEmpty()) { 1533 P.eraseComponent(); // Remove /clang from foo/bin/clang 1534 P.eraseComponent(); // Remove /bin from foo/bin 1535 1536 // Get foo/lib/clang/<version>/include 1537 P.appendComponent("lib"); 1538 P.appendComponent("clang"); 1539 P.appendComponent(CLANG_VERSION_STRING); 1540 } 1541 1542 return P.str(); 1543 } 1544 1545 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1546 using namespace cc1options; 1547 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1548 Opts.Verbose = Args.hasArg(OPT_v); 1549 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1550 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1551 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1552 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1553 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1554 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1555 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1556 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1557 1558 // Add -I..., -F..., and -index-header-map options in order. 1559 bool IsIndexHeaderMap = false; 1560 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1561 OPT_index_header_map), 1562 ie = Args.filtered_end(); it != ie; ++it) { 1563 if ((*it)->getOption().matches(OPT_index_header_map)) { 1564 // -index-header-map applies to the next -I or -F. 1565 IsIndexHeaderMap = true; 1566 continue; 1567 } 1568 1569 frontend::IncludeDirGroup Group 1570 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1571 1572 Opts.AddPath((*it)->getValue(Args), Group, true, 1573 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1574 IsIndexHeaderMap = false; 1575 } 1576 1577 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1578 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1579 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1580 OPT_iwithprefixbefore), 1581 ie = Args.filtered_end(); it != ie; ++it) { 1582 const Arg *A = *it; 1583 if (A->getOption().matches(OPT_iprefix)) 1584 Prefix = A->getValue(Args); 1585 else if (A->getOption().matches(OPT_iwithprefix)) 1586 Opts.AddPath(Prefix.str() + A->getValue(Args), 1587 frontend::System, false, false, false); 1588 else 1589 Opts.AddPath(Prefix.str() + A->getValue(Args), 1590 frontend::Angled, false, false, false); 1591 } 1592 1593 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1594 ie = Args.filtered_end(); it != ie; ++it) 1595 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1596 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1597 ie = Args.filtered_end(); it != ie; ++it) 1598 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1599 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1600 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1601 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1602 !(*it)->getOption().matches(OPT_iwithsysroot)); 1603 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1604 ie = Args.filtered_end(); it != ie; ++it) 1605 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1606 true); 1607 1608 // Add the paths for the various language specific isystem flags. 1609 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1610 ie = Args.filtered_end(); it != ie; ++it) 1611 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1612 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1613 ie = Args.filtered_end(); it != ie; ++it) 1614 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1615 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1616 ie = Args.filtered_end(); it != ie; ++it) 1617 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1618 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1619 ie = Args.filtered_end(); it != ie; ++it) 1620 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1621 true); 1622 1623 // Add the internal paths from a driver that detects standard include paths. 1624 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1625 OPT_internal_externc_isystem), 1626 E = Args.filtered_end(); 1627 I != E; ++I) 1628 Opts.AddPath((*I)->getValue(Args), frontend::System, 1629 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1630 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1631 } 1632 1633 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1634 LangStandard::Kind LangStd) { 1635 // Set some properties which depend solely on the input kind; it would be nice 1636 // to move these to the language standard, and have the driver resolve the 1637 // input kind + language standard. 1638 if (IK == IK_Asm) { 1639 Opts.AsmPreprocessor = 1; 1640 } else if (IK == IK_ObjC || 1641 IK == IK_ObjCXX || 1642 IK == IK_PreprocessedObjC || 1643 IK == IK_PreprocessedObjCXX) { 1644 Opts.ObjC1 = Opts.ObjC2 = 1; 1645 } 1646 1647 if (LangStd == LangStandard::lang_unspecified) { 1648 // Based on the base language, pick one. 1649 switch (IK) { 1650 case IK_None: 1651 case IK_AST: 1652 case IK_LLVM_IR: 1653 llvm_unreachable("Invalid input kind!"); 1654 case IK_OpenCL: 1655 LangStd = LangStandard::lang_opencl; 1656 break; 1657 case IK_CUDA: 1658 LangStd = LangStandard::lang_cuda; 1659 break; 1660 case IK_Asm: 1661 case IK_C: 1662 case IK_PreprocessedC: 1663 case IK_ObjC: 1664 case IK_PreprocessedObjC: 1665 LangStd = LangStandard::lang_gnu99; 1666 break; 1667 case IK_CXX: 1668 case IK_PreprocessedCXX: 1669 case IK_ObjCXX: 1670 case IK_PreprocessedObjCXX: 1671 LangStd = LangStandard::lang_gnucxx98; 1672 break; 1673 } 1674 } 1675 1676 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1677 Opts.BCPLComment = Std.hasBCPLComments(); 1678 Opts.C99 = Std.isC99(); 1679 Opts.C11 = Std.isC11(); 1680 Opts.CPlusPlus = Std.isCPlusPlus(); 1681 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1682 Opts.Digraphs = Std.hasDigraphs(); 1683 Opts.GNUMode = Std.isGNUMode(); 1684 Opts.GNUInline = !Std.isC99(); 1685 Opts.HexFloats = Std.hasHexFloats(); 1686 Opts.ImplicitInt = Std.hasImplicitInt(); 1687 1688 // OpenCL has some additional defaults. 1689 if (LangStd == LangStandard::lang_opencl) { 1690 Opts.OpenCL = 1; 1691 Opts.AltiVec = 0; 1692 Opts.CXXOperatorNames = 1; 1693 Opts.LaxVectorConversions = 0; 1694 Opts.DefaultFPContract = 1; 1695 } 1696 1697 if (LangStd == LangStandard::lang_cuda) 1698 Opts.CUDA = 1; 1699 1700 // OpenCL and C++ both have bool, true, false keywords. 1701 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1702 1703 Opts.GNUKeywords = Opts.GNUMode; 1704 Opts.CXXOperatorNames = Opts.CPlusPlus; 1705 1706 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1707 // is specified, or -std is set to a conforming mode. 1708 Opts.Trigraphs = !Opts.GNUMode; 1709 1710 Opts.DollarIdents = !Opts.AsmPreprocessor; 1711 } 1712 1713 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1714 DiagnosticsEngine &Diags) { 1715 // FIXME: Cleanup per-file based stuff. 1716 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1717 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1718 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1719 #define LANGSTANDARD(id, name, desc, features) \ 1720 .Case(name, LangStandard::lang_##id) 1721 #include "clang/Frontend/LangStandards.def" 1722 .Default(LangStandard::lang_unspecified); 1723 if (LangStd == LangStandard::lang_unspecified) 1724 Diags.Report(diag::err_drv_invalid_value) 1725 << A->getAsString(Args) << A->getValue(Args); 1726 else { 1727 // Valid standard, check to make sure language and standard are compatable. 1728 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1729 switch (IK) { 1730 case IK_C: 1731 case IK_ObjC: 1732 case IK_PreprocessedC: 1733 case IK_PreprocessedObjC: 1734 if (!(Std.isC89() || Std.isC99())) 1735 Diags.Report(diag::err_drv_argument_not_allowed_with) 1736 << A->getAsString(Args) << "C/ObjC"; 1737 break; 1738 case IK_CXX: 1739 case IK_ObjCXX: 1740 case IK_PreprocessedCXX: 1741 case IK_PreprocessedObjCXX: 1742 if (!Std.isCPlusPlus()) 1743 Diags.Report(diag::err_drv_argument_not_allowed_with) 1744 << A->getAsString(Args) << "C++/ObjC++"; 1745 break; 1746 case IK_OpenCL: 1747 if (!Std.isC99()) 1748 Diags.Report(diag::err_drv_argument_not_allowed_with) 1749 << A->getAsString(Args) << "OpenCL"; 1750 break; 1751 case IK_CUDA: 1752 if (!Std.isCPlusPlus()) 1753 Diags.Report(diag::err_drv_argument_not_allowed_with) 1754 << A->getAsString(Args) << "CUDA"; 1755 break; 1756 default: 1757 break; 1758 } 1759 } 1760 } 1761 1762 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1763 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1764 Diags.Report(diag::err_drv_invalid_value) 1765 << A->getAsString(Args) << A->getValue(Args); 1766 } 1767 } 1768 1769 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1770 1771 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1772 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1773 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1774 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1775 // name, as it doesn't seem a useful distinction. 1776 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1777 Opts.GNUKeywords); 1778 1779 if (Args.hasArg(OPT_fno_operator_names)) 1780 Opts.CXXOperatorNames = 0; 1781 1782 if (Opts.ObjC1) { 1783 if (Args.hasArg(OPT_fobjc_gc_only)) 1784 Opts.setGC(LangOptions::GCOnly); 1785 else if (Args.hasArg(OPT_fobjc_gc)) 1786 Opts.setGC(LangOptions::HybridGC); 1787 else if (Args.hasArg(OPT_fobjc_arc)) { 1788 Opts.ObjCAutoRefCount = 1; 1789 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1790 Diags.Report(diag::err_arc_nonfragile_abi); 1791 } 1792 1793 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1794 Opts.ObjCRuntimeHasWeak = 1; 1795 1796 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1797 Opts.ObjCInferRelatedResultType = 0; 1798 } 1799 1800 if (Args.hasArg(OPT_fgnu89_inline)) 1801 Opts.GNUInline = 1; 1802 1803 if (Args.hasArg(OPT_fapple_kext)) { 1804 if (!Opts.CPlusPlus) 1805 Diags.Report(diag::warn_c_kext); 1806 else 1807 Opts.AppleKext = 1; 1808 } 1809 1810 if (Args.hasArg(OPT_print_ivar_layout)) 1811 Opts.ObjCGCBitmapPrint = 1; 1812 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1813 Opts.NoConstantCFStrings = 1; 1814 1815 if (Args.hasArg(OPT_faltivec)) 1816 Opts.AltiVec = 1; 1817 1818 if (Args.hasArg(OPT_pthread)) 1819 Opts.POSIXThreads = 1; 1820 1821 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1822 Opts.DelayedTemplateParsing = 1; 1823 1824 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1825 if (Vis == "default") 1826 Opts.setVisibilityMode(DefaultVisibility); 1827 else if (Vis == "hidden") 1828 Opts.setVisibilityMode(HiddenVisibility); 1829 else if (Vis == "protected") 1830 // FIXME: diagnose if target does not support protected visibility 1831 Opts.setVisibilityMode(ProtectedVisibility); 1832 else 1833 Diags.Report(diag::err_drv_invalid_value) 1834 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1835 1836 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1837 Opts.InlineVisibilityHidden = 1; 1838 1839 if (Args.hasArg(OPT_ftrapv)) { 1840 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1841 // Set the handler, if one is specified. 1842 Opts.OverflowHandler = 1843 Args.getLastArgValue(OPT_ftrapv_handler); 1844 } 1845 else if (Args.hasArg(OPT_fwrapv)) 1846 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1847 1848 if (Args.hasArg(OPT_trigraphs)) 1849 Opts.Trigraphs = 1; 1850 1851 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1852 OPT_fno_dollars_in_identifiers, 1853 Opts.DollarIdents); 1854 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1855 Opts.MicrosoftExt 1856 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1857 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1858 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1859 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1860 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1861 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1862 Opts.ConstStrings); 1863 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1864 Opts.LaxVectorConversions = 0; 1865 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1866 Opts.ThreadsafeStatics = 0; 1867 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1868 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1869 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1870 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1871 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1872 1873 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1874 Opts.Blocks = Args.hasArg(OPT_fblocks); 1875 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1876 Opts.Modules = Args.hasArg(OPT_fmodules); 1877 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1878 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1879 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1880 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1881 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1882 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1883 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1884 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1885 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1886 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1887 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1888 Diags); 1889 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1890 Diags); 1891 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1892 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1893 0, Diags); 1894 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1895 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1896 Opts.ObjCConstantStringClass = 1897 Args.getLastArgValue(OPT_fconstant_string_class); 1898 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1899 if (Opts.ObjCNonFragileABI) 1900 Opts.ObjCNonFragileABI2 = true; 1901 Opts.ObjCDefaultSynthProperties = 1902 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1903 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1904 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1905 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1906 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1907 Opts.Static = Args.hasArg(OPT_static_define); 1908 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1909 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1910 || Args.hasArg(OPT_fdump_record_layouts); 1911 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1912 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1913 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1914 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1915 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1916 Opts.MRTD = Args.hasArg(OPT_mrtd); 1917 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1918 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1919 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1920 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1921 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1922 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1923 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1924 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1925 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1926 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1927 1928 // Record whether the __DEPRECATED define was requested. 1929 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1930 OPT_fno_deprecated_macro, 1931 Opts.Deprecated); 1932 1933 // FIXME: Eliminate this dependency. 1934 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1935 Opts.Optimize = Opt != 0; 1936 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1937 1938 // This is the __NO_INLINE__ define, which just depends on things like the 1939 // optimization level and -fno-inline, not actually whether the backend has 1940 // inlining enabled. 1941 // 1942 // FIXME: This is affected by other options (-fno-inline). 1943 Opts.NoInline = !Opt; 1944 1945 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1946 1947 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1948 switch (SSP) { 1949 default: 1950 Diags.Report(diag::err_drv_invalid_value) 1951 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1952 break; 1953 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1954 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1955 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1956 } 1957 } 1958 1959 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1960 FileManager &FileMgr, 1961 DiagnosticsEngine &Diags) { 1962 using namespace cc1options; 1963 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1964 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1965 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1966 Opts.TokenCache = A->getValue(Args); 1967 else 1968 Opts.TokenCache = Opts.ImplicitPTHInclude; 1969 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1970 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1971 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1972 1973 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1974 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1975 ie = Args.filtered_end(); it != ie; ++it) { 1976 const Arg *A = *it; 1977 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1978 } 1979 1980 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1981 StringRef Value(A->getValue(Args)); 1982 size_t Comma = Value.find(','); 1983 unsigned Bytes = 0; 1984 unsigned EndOfLine = 0; 1985 1986 if (Comma == StringRef::npos || 1987 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1988 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1989 Diags.Report(diag::err_drv_preamble_format); 1990 else { 1991 Opts.PrecompiledPreambleBytes.first = Bytes; 1992 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1993 } 1994 } 1995 1996 // Add macros from the command line. 1997 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1998 ie = Args.filtered_end(); it != ie; ++it) { 1999 if ((*it)->getOption().matches(OPT_D)) 2000 Opts.addMacroDef((*it)->getValue(Args)); 2001 else 2002 Opts.addMacroUndef((*it)->getValue(Args)); 2003 } 2004 2005 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2006 2007 // Add the ordered list of -includes. 2008 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2009 OPT_include_pth), 2010 ie = Args.filtered_end(); it != ie; ++it) { 2011 const Arg *A = *it; 2012 // PCH is handled specially, we need to extra the original include path. 2013 if (A->getOption().matches(OPT_include_pch)) { 2014 std::string OriginalFile = 2015 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2016 if (OriginalFile.empty()) 2017 continue; 2018 2019 Opts.Includes.push_back(OriginalFile); 2020 } else 2021 Opts.Includes.push_back(A->getValue(Args)); 2022 } 2023 2024 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2025 ie = Args.filtered_end(); it != ie; ++it) { 2026 const Arg *A = *it; 2027 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2028 } 2029 2030 // Include 'altivec.h' if -faltivec option present 2031 if (Args.hasArg(OPT_faltivec)) 2032 Opts.Includes.push_back("altivec.h"); 2033 2034 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2035 ie = Args.filtered_end(); it != ie; ++it) { 2036 const Arg *A = *it; 2037 std::pair<StringRef,StringRef> Split = 2038 StringRef(A->getValue(Args)).split(';'); 2039 2040 if (Split.second.empty()) { 2041 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2042 continue; 2043 } 2044 2045 Opts.addRemappedFile(Split.first, Split.second); 2046 } 2047 2048 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2049 StringRef Name = A->getValue(Args); 2050 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2051 .Case("libc++", ARCXX_libcxx) 2052 .Case("libstdc++", ARCXX_libstdcxx) 2053 .Case("none", ARCXX_nolib) 2054 .Default(~0U); 2055 if (Library == ~0U) 2056 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2057 else 2058 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2059 } 2060 } 2061 2062 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2063 ArgList &Args) { 2064 using namespace cc1options; 2065 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2066 Opts.ShowComments = Args.hasArg(OPT_C); 2067 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2068 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2069 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2070 } 2071 2072 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2073 using namespace cc1options; 2074 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2075 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2076 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2077 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2078 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2079 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2080 2081 // Use the default target triple if unspecified. 2082 if (Opts.Triple.empty()) 2083 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2084 } 2085 2086 // 2087 2088 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2089 const char *const *ArgBegin, 2090 const char *const *ArgEnd, 2091 DiagnosticsEngine &Diags) { 2092 bool Success = true; 2093 2094 // Parse the arguments. 2095 OwningPtr<OptTable> Opts(createCC1OptTable()); 2096 unsigned MissingArgIndex, MissingArgCount; 2097 OwningPtr<InputArgList> Args( 2098 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2099 2100 // Check for missing argument error. 2101 if (MissingArgCount) { 2102 Diags.Report(diag::err_drv_missing_argument) 2103 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2104 Success = false; 2105 } 2106 2107 // Issue errors on unknown arguments. 2108 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2109 ie = Args->filtered_end(); it != ie; ++it) { 2110 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2111 Success = false; 2112 } 2113 2114 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2115 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2116 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2117 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags) 2118 && Success; 2119 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2120 // FIXME: We shouldn't have to pass the DashX option around here 2121 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2122 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2123 && Success; 2124 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2125 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2126 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2127 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2128 Res.getLangOpts()->ObjCExceptions = 1; 2129 } 2130 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2131 // PCH file and find the original header name. Remove the need to do that in 2132 // ParsePreprocessorArgs and remove the FileManager 2133 // parameters from the function and the "FileManager.h" #include. 2134 FileManager FileMgr(Res.getFileSystemOpts()); 2135 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2136 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2137 ParseTargetArgs(Res.getTargetOpts(), *Args); 2138 2139 return Success; 2140 } 2141 2142 namespace { 2143 2144 class ModuleSignature { 2145 llvm::SmallVector<uint64_t, 16> Data; 2146 unsigned CurBit; 2147 uint64_t CurValue; 2148 2149 public: 2150 ModuleSignature() : CurBit(0), CurValue(0) { } 2151 2152 void add(uint64_t Value, unsigned Bits); 2153 void add(StringRef Value); 2154 void flush(); 2155 2156 llvm::APInt getAsInteger() const; 2157 }; 2158 } 2159 2160 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2161 CurValue |= Value << CurBit; 2162 if (CurBit + NumBits < 64) { 2163 CurBit += NumBits; 2164 return; 2165 } 2166 2167 // Add the current word. 2168 Data.push_back(CurValue); 2169 2170 if (CurBit) 2171 CurValue = Value >> (64-CurBit); 2172 else 2173 CurValue = 0; 2174 CurBit = (CurBit+NumBits) & 63; 2175 } 2176 2177 void ModuleSignature::flush() { 2178 if (CurBit == 0) 2179 return; 2180 2181 Data.push_back(CurValue); 2182 CurBit = 0; 2183 CurValue = 0; 2184 } 2185 2186 void ModuleSignature::add(StringRef Value) { 2187 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2188 add(*I, 8); 2189 } 2190 2191 llvm::APInt ModuleSignature::getAsInteger() const { 2192 return llvm::APInt(Data.size() * 64, Data); 2193 } 2194 2195 std::string CompilerInvocation::getModuleHash() const { 2196 ModuleSignature Signature; 2197 2198 // Start the signature with the compiler version. 2199 Signature.add(getClangFullRepositoryVersion()); 2200 2201 // Extend the signature with the language options 2202 #define LANGOPT(Name, Bits, Default, Description) \ 2203 Signature.add(LangOpts->Name, Bits); 2204 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2205 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2206 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2207 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2208 #include "clang/Basic/LangOptions.def" 2209 2210 // Extend the signature with the target triple 2211 llvm::Triple T(TargetOpts.Triple); 2212 Signature.add((unsigned)T.getArch(), 5); 2213 Signature.add((unsigned)T.getVendor(), 4); 2214 Signature.add((unsigned)T.getOS(), 5); 2215 Signature.add((unsigned)T.getEnvironment(), 4); 2216 2217 // Extend the signature with preprocessor options. 2218 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2219 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2220 2221 // Hash the preprocessor defines. 2222 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2223 std::vector<StringRef> MacroDefs; 2224 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2225 I = getPreprocessorOpts().Macros.begin(), 2226 IEnd = getPreprocessorOpts().Macros.end(); 2227 I != IEnd; ++I) { 2228 if (!I->second) 2229 MacroDefs.push_back(I->first); 2230 } 2231 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2232 2233 unsigned PPHashResult = 0; 2234 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2235 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2236 Signature.add(PPHashResult, 32); 2237 2238 // We've generated the signature. Treat it as one large APInt that we'll 2239 // encode in base-36 and return. 2240 Signature.flush(); 2241 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2242 } 2243