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/Options.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()), TargetOpts(new TargetOptions()), 39 DiagnosticOpts(new DiagnosticOptions()) {} 40 41 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 42 : RefCountedBase<CompilerInvocation>(), 43 LangOpts(new LangOptions(*X.getLangOpts())), 44 TargetOpts(new TargetOptions(X.getTargetOpts())), 45 DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())) {} 46 47 //===----------------------------------------------------------------------===// 48 // Utility functions. 49 //===----------------------------------------------------------------------===// 50 51 static const char *getAnalysisStoreName(AnalysisStores Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis store!"); 55 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57 #include "clang/StaticAnalyzer/Core/Analyses.def" 58 } 59 } 60 61 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis constraints!"); 65 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 66 case NAME##Model: return CMDFLAG; 67 #include "clang/StaticAnalyzer/Core/Analyses.def" 68 } 69 } 70 71 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 72 switch (Kind) { 73 default: 74 llvm_unreachable("Unknown analysis client!"); 75 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 76 case PD_##NAME: return CMDFLAG; 77 #include "clang/StaticAnalyzer/Core/Analyses.def" 78 } 79 } 80 81 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 82 switch (Kind) { 83 default: 84 llvm_unreachable("Unknown analysis purge mode!"); 85 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 86 case NAME: return CMDFLAG; 87 #include "clang/StaticAnalyzer/Core/Analyses.def" 88 } 89 } 90 91 static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 92 switch (Kind) { 93 default: 94 llvm_unreachable("Unknown analysis ipa mode!"); 95 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 96 case NAME: return CMDFLAG; 97 #include "clang/StaticAnalyzer/Core/Analyses.def" 98 } 99 } 100 101 static const char * 102 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 103 switch (Kind) { 104 default: 105 llvm_unreachable("Unknown analysis inlining mode!"); 106 #define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 107 case NAME: return CMDFLAG; 108 #include "clang/StaticAnalyzer/Core/Analyses.def" 109 } 110 } 111 112 //===----------------------------------------------------------------------===// 113 // Serialization (to args) 114 //===----------------------------------------------------------------------===// 115 116 namespace { 117 /// ToArgsList - Helper class to create a list of std::strings. 118 class ToArgsList { 119 std::vector<std::string> &Res; 120 public: 121 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 122 123 void push_back(StringRef Str) { 124 // Avoid creating a temporary string. 125 Res.push_back(std::string()); 126 Res.back().assign(Str.data(), Str.size()); 127 } 128 129 void push_back(StringRef Str1, StringRef Str2) { 130 push_back(Str1); 131 push_back(Str2); 132 } 133 }; 134 } 135 136 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 137 if (Opts.ShowCheckerHelp) 138 Res.push_back("-analyzer-checker-help"); 139 if (Opts.AnalysisStoreOpt != RegionStoreModel) 140 Res.push_back("-analyzer-store", 141 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 142 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 143 Res.push_back("-analyzer-constraints", 144 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 145 if (Opts.AnalysisDiagOpt != PD_HTML) 146 Res.push_back("-analyzer-output", 147 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 148 if (Opts.AnalysisPurgeOpt != PurgeStmt) 149 Res.push_back("-analyzer-purge", 150 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 151 if (!Opts.AnalyzeSpecificFunction.empty()) 152 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 153 if (Opts.IPAMode != DynamicDispatchBifurcate) 154 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 155 if (Opts.InliningMode != NoRedundancy) 156 Res.push_back("-analyzer-inlining-mode", 157 getAnalysisInliningModeName(Opts.InliningMode)); 158 159 if (Opts.AnalyzeAll) 160 Res.push_back("-analyzer-opt-analyze-headers"); 161 if (Opts.AnalyzerDisplayProgress) 162 Res.push_back("-analyzer-display-progress"); 163 if (Opts.AnalyzeNestedBlocks) 164 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 165 if (Opts.eagerlyAssumeBinOpBifurcation) 166 Res.push_back("-analyzer-eagerly-assume"); 167 if (Opts.TrimGraph) 168 Res.push_back("-trim-egraph"); 169 if (Opts.visualizeExplodedGraphWithGraphViz) 170 Res.push_back("-analyzer-viz-egraph-graphviz"); 171 if (Opts.visualizeExplodedGraphWithUbiGraph) 172 Res.push_back("-analyzer-viz-egraph-ubigraph"); 173 if (Opts.NoRetryExhausted) 174 Res.push_back("-analyzer-disable-retry-exhausted"); 175 176 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 177 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 178 if (opt.second) 179 Res.push_back("-analyzer-disable-checker"); 180 else 181 Res.push_back("-analyzer-checker"); 182 Res.push_back(opt.first); 183 } 184 } 185 186 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 187 switch (Opts.getDebugInfo()) { 188 case CodeGenOptions::NoDebugInfo: 189 break; 190 case CodeGenOptions::DebugLineTablesOnly: 191 Res.push_back("-gline-tables-only"); 192 break; 193 case CodeGenOptions::LimitedDebugInfo: 194 Res.push_back("-g"); 195 Res.push_back("-flimit-debug-info"); 196 break; 197 case CodeGenOptions::FullDebugInfo: 198 Res.push_back("-g"); 199 Res.push_back("-fno-limit-debug-info"); 200 break; 201 } 202 if (Opts.DebugColumnInfo) 203 Res.push_back("-gcolumn-info"); 204 if (Opts.DisableLLVMOpts) 205 Res.push_back("-disable-llvm-optzns"); 206 if (Opts.DisableRedZone) 207 Res.push_back("-disable-red-zone"); 208 if (Opts.DisableTailCalls) 209 Res.push_back("-mdisable-tail-calls"); 210 if (!Opts.DebugCompilationDir.empty()) 211 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 212 if (!Opts.DwarfDebugFlags.empty()) 213 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 214 if (Opts.EmitGcovArcs) 215 Res.push_back("-femit-coverage-data"); 216 if (Opts.EmitGcovNotes) 217 Res.push_back("-femit-coverage-notes"); 218 if (Opts.EmitOpenCLArgMetadata) 219 Res.push_back("-cl-kernel-arg-info"); 220 if (!Opts.MergeAllConstants) 221 Res.push_back("-fno-merge-all-constants"); 222 if (Opts.NoCommon) 223 Res.push_back("-fno-common"); 224 if (Opts.ForbidGuardVariables) 225 Res.push_back("-fforbid-guard-variables"); 226 if (Opts.UseRegisterSizedBitfieldAccess) 227 Res.push_back("-fuse-register-sized-bitfield-access"); 228 if (Opts.NoImplicitFloat) 229 Res.push_back("-no-implicit-float"); 230 if (Opts.OmitLeafFramePointer) 231 Res.push_back("-momit-leaf-frame-pointer"); 232 if (Opts.OptimizeSize) { 233 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 234 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 235 } else if (Opts.OptimizationLevel != 0) 236 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 237 if (!Opts.MainFileName.empty()) 238 Res.push_back("-main-file-name", Opts.MainFileName); 239 if (Opts.NoInfsFPMath) 240 Res.push_back("-menable-no-infinities"); 241 if (Opts.NoNaNsFPMath) 242 Res.push_back("-menable-no-nans"); 243 // SimplifyLibCalls is only derived. 244 // TimePasses is only derived. 245 // UnitAtATime is unused. 246 // Inlining is only derived. 247 248 // UnrollLoops is derived, but also accepts an option, no 249 // harm in pushing it back here. 250 if (Opts.UnrollLoops) 251 Res.push_back("-funroll-loops"); 252 if (Opts.DataSections) 253 Res.push_back("-fdata-sections"); 254 if (Opts.FunctionSections) 255 Res.push_back("-ffunction-sections"); 256 if (Opts.AsmVerbose) 257 Res.push_back("-masm-verbose"); 258 if (!Opts.CodeModel.empty()) 259 Res.push_back("-mcode-model", Opts.CodeModel); 260 if (Opts.CUDAIsDevice) 261 Res.push_back("-fcuda-is-device"); 262 if (!Opts.CXAAtExit) 263 Res.push_back("-fno-use-cxa-atexit"); 264 if (Opts.CXXCtorDtorAliases) 265 Res.push_back("-mconstructor-aliases"); 266 if (Opts.ObjCAutoRefCountExceptions) 267 Res.push_back("-fobjc-arc-eh"); 268 if (!Opts.DebugPass.empty()) { 269 Res.push_back("-mdebug-pass", Opts.DebugPass); 270 } 271 if (Opts.DisableFPElim) 272 Res.push_back("-mdisable-fp-elim"); 273 if (!Opts.FloatABI.empty()) 274 Res.push_back("-mfloat-abi", Opts.FloatABI); 275 if (!Opts.LimitFloatPrecision.empty()) 276 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 277 if (Opts.NoZeroInitializedInBSS) 278 Res.push_back("-mno-zero-initialized-bss"); 279 switch (Opts.getObjCDispatchMethod()) { 280 case CodeGenOptions::Legacy: 281 break; 282 case CodeGenOptions::Mixed: 283 Res.push_back("-fobjc-dispatch-method=mixed"); 284 break; 285 case CodeGenOptions::NonLegacy: 286 Res.push_back("-fobjc-dispatch-method=non-legacy"); 287 break; 288 } 289 if (Opts.BoundsChecking > 0) 290 Res.push_back("-fbounds-checking=" + llvm::utostr(Opts.BoundsChecking)); 291 if (Opts.NumRegisterParameters) 292 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 293 if (Opts.NoGlobalMerge) 294 Res.push_back("-mno-global-merge"); 295 if (Opts.NoExecStack) 296 Res.push_back("-mnoexecstack"); 297 if (Opts.RelaxAll) 298 Res.push_back("-mrelax-all"); 299 if (Opts.SaveTempLabels) 300 Res.push_back("-msave-temp-labels"); 301 if (Opts.NoDwarf2CFIAsm) 302 Res.push_back("-fno-dwarf2-cfi-asm"); 303 if (Opts.NoDwarfDirectoryAsm) 304 Res.push_back("-fno-dwarf-directory-asm"); 305 if (Opts.SoftFloat) 306 Res.push_back("-msoft-float"); 307 if (Opts.StrictEnums) 308 Res.push_back("-fstrict-enums"); 309 if (Opts.UnwindTables) 310 Res.push_back("-munwind-tables"); 311 if (Opts.RelocationModel != "pic") 312 Res.push_back("-mrelocation-model", Opts.RelocationModel); 313 if (!Opts.VerifyModule) 314 Res.push_back("-disable-llvm-verifier"); 315 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 316 Res.push_back("-backend-option", Opts.BackendOptions[i]); 317 318 switch (Opts.getDefaultTLSModel()) { 319 case CodeGenOptions::GeneralDynamicTLSModel: 320 break; 321 case CodeGenOptions::LocalDynamicTLSModel: 322 Res.push_back("-ftls-model=local-dynamic"); 323 break; 324 case CodeGenOptions::InitialExecTLSModel: 325 Res.push_back("-ftls-model=initial-exec"); 326 break; 327 case CodeGenOptions::LocalExecTLSModel: 328 Res.push_back("-ftls-model=local-exec"); 329 break; 330 } 331 } 332 333 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 334 ToArgsList &Res) { 335 if (Opts.IncludeSystemHeaders) 336 Res.push_back("-sys-header-deps"); 337 if (Opts.ShowHeaderIncludes) 338 Res.push_back("-H"); 339 if (!Opts.HeaderIncludeOutputFile.empty()) 340 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 341 if (Opts.UsePhonyTargets) 342 Res.push_back("-MP"); 343 if (!Opts.OutputFile.empty()) 344 Res.push_back("-dependency-file", Opts.OutputFile); 345 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 346 Res.push_back("-MT", Opts.Targets[i]); 347 } 348 349 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 350 ToArgsList &Res) { 351 if (Opts.IgnoreWarnings) 352 Res.push_back("-w"); 353 if (Opts.NoRewriteMacros) 354 Res.push_back("-Wno-rewrite-macros"); 355 if (Opts.Pedantic) 356 Res.push_back("-pedantic"); 357 if (Opts.PedanticErrors) 358 Res.push_back("-pedantic-errors"); 359 if (!Opts.ShowColumn) 360 Res.push_back("-fno-show-column"); 361 if (!Opts.ShowLocation) 362 Res.push_back("-fno-show-source-location"); 363 if (!Opts.ShowCarets) 364 Res.push_back("-fno-caret-diagnostics"); 365 if (!Opts.ShowFixits) 366 Res.push_back("-fno-diagnostics-fixit-info"); 367 if (Opts.ShowSourceRanges) 368 Res.push_back("-fdiagnostics-print-source-range-info"); 369 if (Opts.ShowParseableFixits) 370 Res.push_back("-fdiagnostics-parseable-fixits"); 371 if (Opts.ShowColors) 372 Res.push_back("-fcolor-diagnostics"); 373 if (Opts.VerifyDiagnostics) 374 Res.push_back("-verify"); 375 if (Opts.ShowOptionNames) 376 Res.push_back("-fdiagnostics-show-option"); 377 if (Opts.ShowCategories == 1) 378 Res.push_back("-fdiagnostics-show-category=id"); 379 else if (Opts.ShowCategories == 2) 380 Res.push_back("-fdiagnostics-show-category=name"); 381 switch (Opts.getFormat()) { 382 case DiagnosticOptions::Clang: 383 Res.push_back("-fdiagnostics-format=clang"); break; 384 case DiagnosticOptions::Msvc: 385 Res.push_back("-fdiagnostics-format=msvc"); break; 386 case DiagnosticOptions::Vi: 387 Res.push_back("-fdiagnostics-format=vi"); break; 388 } 389 if (Opts.ErrorLimit) 390 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 391 if (!Opts.DiagnosticLogFile.empty()) 392 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 393 if (Opts.MacroBacktraceLimit 394 != DiagnosticOptions::DefaultMacroBacktraceLimit) 395 Res.push_back("-fmacro-backtrace-limit", 396 llvm::utostr(Opts.MacroBacktraceLimit)); 397 if (Opts.TemplateBacktraceLimit 398 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 399 Res.push_back("-ftemplate-backtrace-limit", 400 llvm::utostr(Opts.TemplateBacktraceLimit)); 401 if (Opts.ConstexprBacktraceLimit 402 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 403 Res.push_back("-fconstexpr-backtrace-limit", 404 llvm::utostr(Opts.ConstexprBacktraceLimit)); 405 406 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 407 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 408 if (Opts.MessageLength) 409 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 410 if (!Opts.DumpBuildInformation.empty()) 411 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 412 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 413 Res.push_back("-W" + Opts.Warnings[i]); 414 } 415 416 static const char *getInputKindName(InputKind Kind) { 417 switch (Kind) { 418 case IK_None: break; 419 case IK_AST: return "ast"; 420 case IK_Asm: return "assembler-with-cpp"; 421 case IK_C: return "c"; 422 case IK_CXX: return "c++"; 423 case IK_LLVM_IR: return "ir"; 424 case IK_ObjC: return "objective-c"; 425 case IK_ObjCXX: return "objective-c++"; 426 case IK_OpenCL: return "cl"; 427 case IK_CUDA: return "cuda"; 428 case IK_PreprocessedC: return "cpp-output"; 429 case IK_PreprocessedCXX: return "c++-cpp-output"; 430 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 431 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 432 } 433 434 llvm_unreachable("Unexpected language kind!"); 435 } 436 437 static const char *getActionName(frontend::ActionKind Kind) { 438 switch (Kind) { 439 case frontend::PluginAction: 440 llvm_unreachable("Invalid kind!"); 441 442 case frontend::ASTDeclList: return "-ast-list"; 443 case frontend::ASTDump: return "-ast-dump"; 444 case frontend::ASTDumpXML: return "-ast-dump-xml"; 445 case frontend::ASTPrint: return "-ast-print"; 446 case frontend::ASTView: return "-ast-view"; 447 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 448 case frontend::DumpTokens: return "-dump-tokens"; 449 case frontend::EmitAssembly: return "-S"; 450 case frontend::EmitBC: return "-emit-llvm-bc"; 451 case frontend::EmitHTML: return "-emit-html"; 452 case frontend::EmitLLVM: return "-emit-llvm"; 453 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 454 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 455 case frontend::EmitObj: return "-emit-obj"; 456 case frontend::FixIt: return "-fixit"; 457 case frontend::GenerateModule: return "-emit-module"; 458 case frontend::GeneratePCH: return "-emit-pch"; 459 case frontend::GeneratePTH: return "-emit-pth"; 460 case frontend::InitOnly: return "-init-only"; 461 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 462 case frontend::PrintDeclContext: return "-print-decl-contexts"; 463 case frontend::PrintPreamble: return "-print-preamble"; 464 case frontend::PrintPreprocessedInput: return "-E"; 465 case frontend::RewriteMacros: return "-rewrite-macros"; 466 case frontend::RewriteObjC: return "-rewrite-objc"; 467 case frontend::RewriteTest: return "-rewrite-test"; 468 case frontend::RunAnalysis: return "-analyze"; 469 case frontend::MigrateSource: return "-migrate"; 470 case frontend::RunPreprocessorOnly: return "-Eonly"; 471 } 472 473 llvm_unreachable("Unexpected language kind!"); 474 } 475 476 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 477 if (!Opts.WorkingDir.empty()) 478 Res.push_back("-working-directory", Opts.WorkingDir); 479 } 480 481 static void CodeCompleteOptionsToArgs(const CodeCompleteOptions &Opts, 482 ToArgsList &Res) { 483 if (Opts.IncludeMacros) 484 Res.push_back("-code-completion-macros"); 485 if (Opts.IncludeCodePatterns) 486 Res.push_back("-code-completion-patterns"); 487 if (!Opts.IncludeGlobals) 488 Res.push_back("-no-code-completion-globals"); 489 if (Opts.IncludeBriefComments) 490 Res.push_back("-code-completion-brief-comments"); 491 } 492 493 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 494 if (Opts.DisableFree) 495 Res.push_back("-disable-free"); 496 if (Opts.RelocatablePCH) 497 Res.push_back("-relocatable-pch"); 498 if (Opts.ShowHelp) 499 Res.push_back("-help"); 500 if (Opts.ShowStats) 501 Res.push_back("-print-stats"); 502 if (Opts.ShowTimers) 503 Res.push_back("-ftime-report"); 504 if (Opts.ShowVersion) 505 Res.push_back("-version"); 506 if (Opts.FixWhatYouCan) 507 Res.push_back("-fix-what-you-can"); 508 if (Opts.FixOnlyWarnings) 509 Res.push_back("-fix-only-warnings"); 510 if (Opts.FixAndRecompile) 511 Res.push_back("-fixit-recompile"); 512 if (Opts.FixToTemporaries) 513 Res.push_back("-fixit-to-temporary"); 514 switch (Opts.ARCMTAction) { 515 case FrontendOptions::ARCMT_None: 516 break; 517 case FrontendOptions::ARCMT_Check: 518 Res.push_back("-arcmt-check"); 519 break; 520 case FrontendOptions::ARCMT_Modify: 521 Res.push_back("-arcmt-modify"); 522 break; 523 case FrontendOptions::ARCMT_Migrate: 524 Res.push_back("-arcmt-migrate"); 525 break; 526 } 527 CodeCompleteOptionsToArgs(Opts.CodeCompleteOpts, Res); 528 if (!Opts.MTMigrateDir.empty()) 529 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 530 if (!Opts.ARCMTMigrateReportOut.empty()) 531 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 532 if (Opts.ARCMTMigrateEmitARCErrors) 533 Res.push_back("-arcmt-migrate-emit-errors"); 534 535 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 536 Res.push_back("-objcmt-migrate-literals"); 537 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 538 Res.push_back("-objcmt-migrate-subscripting"); 539 540 bool NeedLang = false; 541 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 542 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 543 Opts.Inputs[i].Kind) 544 NeedLang = true; 545 if (NeedLang) 546 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 547 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 548 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 549 "Unable to represent this input vector!"); 550 Res.push_back(Opts.Inputs[i].File); 551 } 552 553 if (!Opts.OutputFile.empty()) 554 Res.push_back("-o", Opts.OutputFile); 555 if (!Opts.CodeCompletionAt.FileName.empty()) 556 Res.push_back("-code-completion-at", 557 Opts.CodeCompletionAt.FileName + ":" + 558 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 559 llvm::utostr(Opts.CodeCompletionAt.Column)); 560 if (Opts.ProgramAction != frontend::PluginAction) 561 Res.push_back(getActionName(Opts.ProgramAction)); 562 if (!Opts.ActionName.empty()) { 563 Res.push_back("-plugin", Opts.ActionName); 564 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 565 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 566 } 567 if (!Opts.ASTDumpFilter.empty()) 568 Res.push_back("-ast-dump-filter", Opts.ASTDumpFilter); 569 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 570 Res.push_back("-load", Opts.Plugins[i]); 571 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 572 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 573 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 574 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 575 Opts.AddPluginArgs[i][ai]); 576 } 577 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 578 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 579 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 580 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 581 if (!Opts.OverrideRecordLayoutsFile.empty()) 582 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 583 } 584 585 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 586 ToArgsList &Res) { 587 if (Opts.Sysroot != "/") { 588 Res.push_back("-isysroot"); 589 Res.push_back(Opts.Sysroot); 590 } 591 592 /// User specified include entries. 593 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 594 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 595 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 596 llvm::report_fatal_error("Invalid option set!"); 597 if (E.IsUserSupplied) { 598 switch (E.Group) { 599 case frontend::After: 600 Res.push_back("-idirafter"); 601 break; 602 603 case frontend::Quoted: 604 Res.push_back("-iquote"); 605 break; 606 607 case frontend::System: 608 Res.push_back("-isystem"); 609 break; 610 611 case frontend::IndexHeaderMap: 612 Res.push_back("-index-header-map"); 613 Res.push_back(E.IsFramework? "-F" : "-I"); 614 break; 615 616 case frontend::CSystem: 617 Res.push_back("-c-isystem"); 618 break; 619 620 case frontend::CXXSystem: 621 Res.push_back("-cxx-isystem"); 622 break; 623 624 case frontend::ObjCSystem: 625 Res.push_back("-objc-isystem"); 626 break; 627 628 case frontend::ObjCXXSystem: 629 Res.push_back("-objcxx-isystem"); 630 break; 631 632 case frontend::Angled: 633 Res.push_back(E.IsFramework ? "-F" : "-I"); 634 break; 635 } 636 } else { 637 if (E.IsInternal) { 638 assert(E.Group == frontend::System && "Unexpected header search group"); 639 if (E.ImplicitExternC) 640 Res.push_back("-internal-externc-isystem"); 641 else 642 Res.push_back("-internal-isystem"); 643 } else { 644 if (E.Group != frontend::Angled && E.Group != frontend::System) 645 llvm::report_fatal_error("Invalid option set!"); 646 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 647 "-iwithprefix"); 648 } 649 } 650 Res.push_back(E.Path); 651 } 652 653 /// User-specified system header prefixes. 654 for (unsigned i = 0, e = Opts.SystemHeaderPrefixes.size(); i != e; ++i) { 655 if (Opts.SystemHeaderPrefixes[i].IsSystemHeader) 656 Res.push_back("-isystem-prefix"); 657 else 658 Res.push_back("-ino-system-prefix"); 659 660 Res.push_back(Opts.SystemHeaderPrefixes[i].Prefix); 661 } 662 663 if (!Opts.ResourceDir.empty()) 664 Res.push_back("-resource-dir", Opts.ResourceDir); 665 if (!Opts.ModuleCachePath.empty()) 666 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 667 if (!Opts.UseStandardSystemIncludes) 668 Res.push_back("-nostdsysteminc"); 669 if (!Opts.UseStandardCXXIncludes) 670 Res.push_back("-nostdinc++"); 671 if (Opts.UseLibcxx) 672 Res.push_back("-stdlib=libc++"); 673 if (Opts.Verbose) 674 Res.push_back("-v"); 675 } 676 677 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 678 LangOptions DefaultLangOpts; 679 680 // FIXME: Need to set -std to get all the implicit options. 681 682 // FIXME: We want to only pass options relative to the defaults, which 683 // requires constructing a target. :( 684 // 685 // It would be better to push the all target specific choices into the driver, 686 // so that everything below that was more uniform. 687 688 if (Opts.Trigraphs) 689 Res.push_back("-trigraphs"); 690 // Implicit based on the input kind: 691 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 692 // Implicit based on the input language standard: 693 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 694 if (Opts.DollarIdents) 695 Res.push_back("-fdollars-in-identifiers"); 696 if (Opts.GNUMode && !Opts.GNUKeywords) 697 Res.push_back("-fno-gnu-keywords"); 698 if (!Opts.GNUMode && Opts.GNUKeywords) 699 Res.push_back("-fgnu-keywords"); 700 if (Opts.MicrosoftExt) 701 Res.push_back("-fms-extensions"); 702 if (Opts.MicrosoftMode) 703 Res.push_back("-fms-compatibility"); 704 if (Opts.MSCVersion != 0) 705 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 706 if (Opts.Borland) 707 Res.push_back("-fborland-extensions"); 708 if (Opts.ObjCDefaultSynthProperties) 709 Res.push_back("-fobjc-default-synthesize-properties"); 710 // NoInline is implicit. 711 if (!Opts.CXXOperatorNames) 712 Res.push_back("-fno-operator-names"); 713 if (Opts.PascalStrings) 714 Res.push_back("-fpascal-strings"); 715 if (Opts.CatchUndefined) 716 Res.push_back("-fcatch-undefined-behavior"); 717 if (Opts.AddressSanitizer) 718 Res.push_back("-faddress-sanitizer"); 719 if (Opts.ThreadSanitizer) 720 Res.push_back("-fthread-sanitizer"); 721 if (Opts.WritableStrings) 722 Res.push_back("-fwritable-strings"); 723 if (Opts.ConstStrings) 724 Res.push_back("-fconst-strings"); 725 if (!Opts.LaxVectorConversions) 726 Res.push_back("-fno-lax-vector-conversions"); 727 if (Opts.AltiVec) 728 Res.push_back("-faltivec"); 729 if (Opts.Exceptions) 730 Res.push_back("-fexceptions"); 731 if (Opts.ObjCExceptions) 732 Res.push_back("-fobjc-exceptions"); 733 if (Opts.CXXExceptions) 734 Res.push_back("-fcxx-exceptions"); 735 if (Opts.SjLjExceptions) 736 Res.push_back("-fsjlj-exceptions"); 737 if (Opts.TraditionalCPP) 738 Res.push_back("-traditional-cpp"); 739 if (!Opts.RTTI) 740 Res.push_back("-fno-rtti"); 741 if (Opts.MSBitfields) 742 Res.push_back("-mms-bitfields"); 743 if (Opts.Freestanding) 744 Res.push_back("-ffreestanding"); 745 if (Opts.NoBuiltin) 746 Res.push_back("-fno-builtin"); 747 if (!Opts.AssumeSaneOperatorNew) 748 Res.push_back("-fno-assume-sane-operator-new"); 749 if (!Opts.ThreadsafeStatics) 750 Res.push_back("-fno-threadsafe-statics"); 751 if (Opts.POSIXThreads) 752 Res.push_back("-pthread"); 753 if (Opts.Blocks) 754 Res.push_back("-fblocks"); 755 if (Opts.BlocksRuntimeOptional) 756 Res.push_back("-fblocks-runtime-optional"); 757 if (Opts.Modules) 758 Res.push_back("-fmodules"); 759 if (Opts.EmitAllDecls) 760 Res.push_back("-femit-all-decls"); 761 if (Opts.MathErrno) 762 Res.push_back("-fmath-errno"); 763 switch (Opts.getSignedOverflowBehavior()) { 764 case LangOptions::SOB_Undefined: break; 765 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 766 case LangOptions::SOB_Trapping: 767 Res.push_back("-ftrapv"); 768 if (!Opts.OverflowHandler.empty()) 769 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 770 break; 771 } 772 switch (Opts.getFPContractMode()) { 773 case LangOptions::FPC_Off: Res.push_back("-ffp-contract=off"); break; 774 case LangOptions::FPC_On: Res.push_back("-ffp-contract=on"); break; 775 case LangOptions::FPC_Fast: Res.push_back("-ffp-contract=fast"); break; 776 } 777 if (Opts.HeinousExtensions) 778 Res.push_back("-fheinous-gnu-extensions"); 779 // Optimize is implicit. 780 // OptimizeSize is implicit. 781 if (Opts.FastMath) 782 Res.push_back("-ffast-math"); 783 if (Opts.Static) 784 Res.push_back("-static-define"); 785 if (Opts.DumpRecordLayoutsSimple) 786 Res.push_back("-fdump-record-layouts-simple"); 787 else if (Opts.DumpRecordLayouts) 788 Res.push_back("-fdump-record-layouts"); 789 if (Opts.DumpVTableLayouts) 790 Res.push_back("-fdump-vtable-layouts"); 791 if (Opts.NoBitFieldTypeAlign) 792 Res.push_back("-fno-bitfield-type-alignment"); 793 if (Opts.PICLevel) 794 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 795 if (Opts.PIELevel) 796 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 797 if (Opts.ObjCGCBitmapPrint) 798 Res.push_back("-print-ivar-layout"); 799 if (Opts.NoConstantCFStrings) 800 Res.push_back("-fno-constant-cfstrings"); 801 if (!Opts.AccessControl) 802 Res.push_back("-fno-access-control"); 803 if (!Opts.CharIsSigned) 804 Res.push_back("-fno-signed-char"); 805 if (Opts.CPlusPlus && !Opts.WChar) 806 Res.push_back("-fno-wchar"); 807 if (Opts.ShortWChar) 808 Res.push_back("-fshort-wchar"); 809 if (!Opts.ElideConstructors) 810 Res.push_back("-fno-elide-constructors"); 811 if (Opts.getGC() != LangOptions::NonGC) { 812 if (Opts.getGC() == LangOptions::HybridGC) { 813 Res.push_back("-fobjc-gc"); 814 } else { 815 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 816 Res.push_back("-fobjc-gc-only"); 817 } 818 } 819 Res.push_back("-fobjc-runtime=" + Opts.ObjCRuntime.getAsString()); 820 if (Opts.ObjCAutoRefCount) 821 Res.push_back("-fobjc-arc"); 822 if (Opts.ObjCARCWeak) 823 Res.push_back("-fobjc-runtime-has-weak"); 824 if (!Opts.ObjCInferRelatedResultType) 825 Res.push_back("-fno-objc-infer-related-result-type"); 826 827 if (Opts.AppleKext) 828 Res.push_back("-fapple-kext"); 829 830 if (Opts.getVisibilityMode() != DefaultVisibility) { 831 Res.push_back("-fvisibility"); 832 if (Opts.getVisibilityMode() == HiddenVisibility) { 833 Res.push_back("hidden"); 834 } else { 835 assert(Opts.getVisibilityMode() == ProtectedVisibility && 836 "Invalid visibility!"); 837 Res.push_back("protected"); 838 } 839 } 840 if (Opts.InlineVisibilityHidden) 841 Res.push_back("-fvisibility-inlines-hidden"); 842 843 if (Opts.getStackProtector() != 0) 844 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 845 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 846 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 847 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 848 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 849 if (!Opts.ObjCConstantStringClass.empty()) 850 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 851 if (Opts.FakeAddressSpaceMap) 852 Res.push_back("-ffake-address-space-map"); 853 if (Opts.ParseUnknownAnytype) 854 Res.push_back("-funknown-anytype"); 855 if (Opts.DebuggerSupport) 856 Res.push_back("-fdebugger-support"); 857 if (Opts.DebuggerCastResultToId) 858 Res.push_back("-fdebugger-cast-result-to-id"); 859 if (Opts.DebuggerObjCLiteral) 860 Res.push_back("-fdebugger-objc-literal"); 861 if (Opts.DelayedTemplateParsing) 862 Res.push_back("-fdelayed-template-parsing"); 863 if (Opts.Deprecated) 864 Res.push_back("-fdeprecated-macro"); 865 if (Opts.ApplePragmaPack) 866 Res.push_back("-fapple-pragma-pack"); 867 if (!Opts.CurrentModule.empty()) 868 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 869 } 870 871 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 872 ToArgsList &Res) { 873 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 874 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 875 Opts.Macros[i].first); 876 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 877 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 878 Res.push_back("-include", Opts.Includes[i]); 879 } 880 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 881 Res.push_back("-imacros", Opts.MacroIncludes[i]); 882 if (!Opts.UsePredefines) 883 Res.push_back("-undef"); 884 if (Opts.DetailedRecord) 885 Res.push_back("-detailed-preprocessing-record"); 886 if (!Opts.ImplicitPCHInclude.empty()) 887 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 888 if (!Opts.ImplicitPTHInclude.empty()) 889 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 890 if (!Opts.TokenCache.empty()) { 891 if (Opts.ImplicitPTHInclude.empty()) 892 Res.push_back("-token-cache", Opts.TokenCache); 893 else 894 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 895 "Unsupported option combination!"); 896 } 897 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 898 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 899 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 900 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 901 Opts.RemappedFiles[i].second); 902 } 903 } 904 905 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 906 ToArgsList &Res) { 907 if (!Opts.ShowCPP && !Opts.ShowMacros) 908 llvm::report_fatal_error("Invalid option combination!"); 909 910 if (Opts.ShowCPP && Opts.ShowMacros) 911 Res.push_back("-dD"); 912 else if (!Opts.ShowCPP && Opts.ShowMacros) 913 Res.push_back("-dM"); 914 915 if (!Opts.ShowLineMarkers) 916 Res.push_back("-P"); 917 if (Opts.ShowComments) 918 Res.push_back("-C"); 919 if (Opts.ShowMacroComments) 920 Res.push_back("-CC"); 921 } 922 923 static void TargetOptsToArgs(const TargetOptions &Opts, 924 ToArgsList &Res) { 925 Res.push_back("-triple"); 926 Res.push_back(Opts.Triple); 927 if (!Opts.CPU.empty()) 928 Res.push_back("-target-cpu", Opts.CPU); 929 if (!Opts.ABI.empty()) 930 Res.push_back("-target-abi", Opts.ABI); 931 if (!Opts.LinkerVersion.empty()) 932 Res.push_back("-target-linker-version", Opts.LinkerVersion); 933 if (!Opts.CXXABI.empty()) 934 Res.push_back("-cxx-abi", Opts.CXXABI); 935 for (unsigned i = 0, e = Opts.FeaturesAsWritten.size(); i != e; ++i) 936 Res.push_back("-target-feature", Opts.FeaturesAsWritten[i]); 937 } 938 939 void CompilerInvocation::toArgs(std::vector<std::string> &Res) const { 940 ToArgsList List(Res); 941 AnalyzerOptsToArgs(*getAnalyzerOpts(), List); 942 CodeGenOptsToArgs(getCodeGenOpts(), List); 943 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 944 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 945 FileSystemOptsToArgs(getFileSystemOpts(), List); 946 FrontendOptsToArgs(getFrontendOpts(), List); 947 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 948 LangOptsToArgs(*getLangOpts(), List); 949 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 950 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 951 TargetOptsToArgs(getTargetOpts(), List); 952 } 953 954 //===----------------------------------------------------------------------===// 955 // Deserialization (to args) 956 //===----------------------------------------------------------------------===// 957 958 using namespace clang::driver; 959 using namespace clang::driver::options; 960 961 // 962 963 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 964 DiagnosticsEngine &Diags) { 965 unsigned DefaultOpt = 0; 966 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 967 DefaultOpt = 2; 968 969 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 970 if (A->getOption().matches(options::OPT_O0)) 971 return 0; 972 973 assert (A->getOption().matches(options::OPT_O)); 974 975 llvm::StringRef S(A->getValue(Args)); 976 if (S == "s" || S == "z" || S.empty()) 977 return 2; 978 979 return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 980 } 981 982 return DefaultOpt; 983 } 984 985 static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, 986 DiagnosticsEngine &Diags) { 987 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 988 if (A->getOption().matches(options::OPT_O)) { 989 switch (A->getValue(Args)[0]) { 990 default: 991 return 0; 992 case 's': 993 return 1; 994 case 'z': 995 return 2; 996 } 997 } 998 } 999 return 0; 1000 } 1001 1002 static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { 1003 for (arg_iterator I = Args.filtered_begin(OPT_W_Group), 1004 E = Args.filtered_end(); I != E; ++I) { 1005 Arg *A = *I; 1006 // If the argument is a pure flag, add its name (minus the "W" at the beginning) 1007 // to the warning list. Else, add its value (for the OPT_W case). 1008 if (A->getOption().getKind() == Option::FlagClass) { 1009 Warnings.push_back(A->getOption().getName().substr(1)); 1010 } else { 1011 for (unsigned Idx = 0, End = A->getNumValues(); 1012 Idx < End; ++Idx) { 1013 StringRef V = A->getValue(Args, Idx); 1014 // "-Wl," and such are not warning options. 1015 // FIXME: Should be handled by putting these in separate flags. 1016 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1017 continue; 1018 1019 Warnings.push_back(V); 1020 } 1021 } 1022 } 1023 } 1024 1025 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 1026 DiagnosticsEngine &Diags) { 1027 using namespace options; 1028 bool Success = true; 1029 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 1030 StringRef Name = A->getValue(Args); 1031 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 1032 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 1033 .Case(CMDFLAG, NAME##Model) 1034 #include "clang/StaticAnalyzer/Core/Analyses.def" 1035 .Default(NumStores); 1036 if (Value == NumStores) { 1037 Diags.Report(diag::err_drv_invalid_value) 1038 << A->getAsString(Args) << Name; 1039 Success = false; 1040 } else { 1041 Opts.AnalysisStoreOpt = Value; 1042 } 1043 } 1044 1045 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 1046 StringRef Name = A->getValue(Args); 1047 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 1048 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 1049 .Case(CMDFLAG, NAME##Model) 1050 #include "clang/StaticAnalyzer/Core/Analyses.def" 1051 .Default(NumConstraints); 1052 if (Value == NumConstraints) { 1053 Diags.Report(diag::err_drv_invalid_value) 1054 << A->getAsString(Args) << Name; 1055 Success = false; 1056 } else { 1057 Opts.AnalysisConstraintsOpt = Value; 1058 } 1059 } 1060 1061 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1062 StringRef Name = A->getValue(Args); 1063 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1064 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1065 .Case(CMDFLAG, PD_##NAME) 1066 #include "clang/StaticAnalyzer/Core/Analyses.def" 1067 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1068 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1069 Diags.Report(diag::err_drv_invalid_value) 1070 << A->getAsString(Args) << Name; 1071 Success = false; 1072 } else { 1073 Opts.AnalysisDiagOpt = Value; 1074 } 1075 } 1076 1077 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1078 StringRef Name = A->getValue(Args); 1079 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1080 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1081 .Case(CMDFLAG, NAME) 1082 #include "clang/StaticAnalyzer/Core/Analyses.def" 1083 .Default(NumPurgeModes); 1084 if (Value == NumPurgeModes) { 1085 Diags.Report(diag::err_drv_invalid_value) 1086 << A->getAsString(Args) << Name; 1087 Success = false; 1088 } else { 1089 Opts.AnalysisPurgeOpt = Value; 1090 } 1091 } 1092 1093 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 1094 StringRef Name = A->getValue(Args); 1095 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 1096 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 1097 .Case(CMDFLAG, NAME) 1098 #include "clang/StaticAnalyzer/Core/Analyses.def" 1099 .Default(NumIPAModes); 1100 if (Value == NumIPAModes) { 1101 Diags.Report(diag::err_drv_invalid_value) 1102 << A->getAsString(Args) << Name; 1103 Success = false; 1104 } else { 1105 Opts.IPAMode = Value; 1106 } 1107 } 1108 1109 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1110 StringRef Name = A->getValue(Args); 1111 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1112 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1113 .Case(CMDFLAG, NAME) 1114 #include "clang/StaticAnalyzer/Core/Analyses.def" 1115 .Default(NumInliningModes); 1116 if (Value == NumInliningModes) { 1117 Diags.Report(diag::err_drv_invalid_value) 1118 << A->getAsString(Args) << Name; 1119 Success = false; 1120 } else { 1121 Opts.InliningMode = Value; 1122 } 1123 } 1124 1125 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1126 Opts.visualizeExplodedGraphWithGraphViz = 1127 Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1128 Opts.visualizeExplodedGraphWithUbiGraph = 1129 Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1130 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1131 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1132 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1133 Opts.AnalyzeNestedBlocks = 1134 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1135 Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume); 1136 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1137 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1138 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1139 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1140 Opts.maxBlockVisitOnPath = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1141 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1142 Opts.InlineMaxStackDepth = 1143 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1144 Opts.InlineMaxStackDepth, Diags); 1145 Opts.InlineMaxFunctionSize = 1146 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1147 Opts.InlineMaxFunctionSize, Diags); 1148 1149 Opts.CheckersControlList.clear(); 1150 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1151 OPT_analyzer_disable_checker), 1152 ie = Args.filtered_end(); it != ie; ++it) { 1153 const Arg *A = *it; 1154 A->claim(); 1155 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1156 // We can have a list of comma separated checker names, e.g: 1157 // '-analyzer-checker=cocoa,unix' 1158 StringRef checkerList = A->getValue(Args); 1159 SmallVector<StringRef, 4> checkers; 1160 checkerList.split(checkers, ","); 1161 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1162 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1163 } 1164 1165 // Go through the analyzer configuration options. 1166 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config), 1167 ie = Args.filtered_end(); it != ie; ++it) { 1168 const Arg *A = *it; 1169 A->claim(); 1170 // We can have a list of comma separated config names, e.g: 1171 // '-analyzer-config key1=val1,key2=val2' 1172 StringRef configList = A->getValue(Args); 1173 SmallVector<StringRef, 4> configVals; 1174 configList.split(configVals, ","); 1175 for (unsigned i = 0, e = configVals.size(); i != e; ++i) { 1176 StringRef key, val; 1177 llvm::tie(key, val) = configVals[i].split("="); 1178 if (val.empty()) { 1179 Diags.Report(SourceLocation(), 1180 diag::err_analyzer_config_no_value) << configVals[i]; 1181 Success = false; 1182 break; 1183 } 1184 if (val.find('=') != StringRef::npos) { 1185 Diags.Report(SourceLocation(), 1186 diag::err_analyzer_config_multiple_values) 1187 << configVals[i]; 1188 Success = false; 1189 break; 1190 } 1191 Opts.Config[key] = val; 1192 } 1193 } 1194 1195 return Success; 1196 } 1197 1198 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1199 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1200 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1201 return true; 1202 } 1203 1204 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1205 DiagnosticsEngine &Diags) { 1206 using namespace options; 1207 bool Success = true; 1208 1209 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1210 if (OptLevel > 3) { 1211 Diags.Report(diag::err_drv_invalid_value) 1212 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1213 OptLevel = 3; 1214 Success = false; 1215 } 1216 Opts.OptimizationLevel = OptLevel; 1217 1218 // We must always run at least the always inlining pass. 1219 Opts.setInlining( 1220 (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1221 : CodeGenOptions::OnlyAlwaysInlining); 1222 // -fno-inline-functions overrides OptimizationLevel > 1. 1223 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1224 Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ? 1225 CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining()); 1226 1227 if (Args.hasArg(OPT_gline_tables_only)) { 1228 Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly); 1229 } else if (Args.hasArg(OPT_g_Flag)) { 1230 if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) 1231 Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo); 1232 else 1233 Opts.setDebugInfo(CodeGenOptions::FullDebugInfo); 1234 } 1235 Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info); 1236 1237 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1238 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1239 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1240 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1241 OPT_fuse_register_sized_bitfield_access); 1242 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1243 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1244 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1245 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1246 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1247 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1248 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1249 Args.hasArg(OPT_ffreestanding)); 1250 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1251 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1252 1253 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1254 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1255 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1256 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1257 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1258 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1259 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1260 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1261 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1262 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1263 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1264 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1265 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1266 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1267 Args.hasArg(OPT_cl_finite_math_only)|| 1268 Args.hasArg(OPT_cl_fast_relaxed_math)); 1269 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1270 Args.hasArg(OPT_cl_finite_math_only)|| 1271 Args.hasArg(OPT_cl_fast_relaxed_math)); 1272 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1273 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1274 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1275 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1276 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1277 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1278 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1279 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1280 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1281 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1282 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1283 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1284 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1285 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1286 Args.hasArg(OPT_cl_fast_relaxed_math); 1287 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1288 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1289 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1290 Opts.BoundsChecking = Args.getLastArgIntValue(OPT_fbounds_checking_EQ, 0, 1291 Diags); 1292 Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array); 1293 1294 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1295 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1296 1297 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1298 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1299 1300 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1301 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1302 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1303 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1304 Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info); 1305 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1306 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1307 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1308 Opts.SSPBufferSize = 1309 Args.getLastArgIntValue(OPT_stack_protector_buffer_size, 8, Diags); 1310 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1311 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1312 StringRef Val = A->getValue(Args); 1313 unsigned StackAlignment = Opts.StackAlignment; 1314 Val.getAsInteger(10, StackAlignment); 1315 Opts.StackAlignment = StackAlignment; 1316 } 1317 1318 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1319 StringRef Name = A->getValue(Args); 1320 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1321 .Case("legacy", CodeGenOptions::Legacy) 1322 .Case("non-legacy", CodeGenOptions::NonLegacy) 1323 .Case("mixed", CodeGenOptions::Mixed) 1324 .Default(~0U); 1325 if (Method == ~0U) { 1326 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1327 Success = false; 1328 } else { 1329 Opts.setObjCDispatchMethod( 1330 static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method)); 1331 } 1332 } 1333 1334 if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) { 1335 StringRef Name = A->getValue(Args); 1336 unsigned Model = llvm::StringSwitch<unsigned>(Name) 1337 .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel) 1338 .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel) 1339 .Case("initial-exec", CodeGenOptions::InitialExecTLSModel) 1340 .Case("local-exec", CodeGenOptions::LocalExecTLSModel) 1341 .Default(~0U); 1342 if (Model == ~0U) { 1343 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1344 Success = false; 1345 } else { 1346 Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model)); 1347 } 1348 } 1349 1350 return Success; 1351 } 1352 1353 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1354 ArgList &Args) { 1355 using namespace options; 1356 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1357 Opts.Targets = Args.getAllArgValues(OPT_MT); 1358 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1359 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1360 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1361 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1362 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1363 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1364 } 1365 1366 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1367 DiagnosticsEngine *Diags) { 1368 using namespace options; 1369 bool Success = true; 1370 1371 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1372 Opts.DiagnosticSerializationFile = 1373 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1374 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1375 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1376 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1377 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1378 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1379 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1380 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1381 OPT_fno_show_column, 1382 /*Default=*/true); 1383 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1384 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1385 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1386 1387 // Default behavior is to not to show note include stacks. 1388 Opts.ShowNoteIncludeStack = false; 1389 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1390 OPT_fno_diagnostics_show_note_include_stack)) 1391 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1392 Opts.ShowNoteIncludeStack = true; 1393 1394 StringRef ShowOverloads = 1395 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1396 if (ShowOverloads == "best") 1397 Opts.setShowOverloads(Ovl_Best); 1398 else if (ShowOverloads == "all") 1399 Opts.setShowOverloads(Ovl_All); 1400 else { 1401 Success = false; 1402 if (Diags) 1403 Diags->Report(diag::err_drv_invalid_value) 1404 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1405 << ShowOverloads; 1406 } 1407 1408 StringRef ShowCategory = 1409 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1410 if (ShowCategory == "none") 1411 Opts.ShowCategories = 0; 1412 else if (ShowCategory == "id") 1413 Opts.ShowCategories = 1; 1414 else if (ShowCategory == "name") 1415 Opts.ShowCategories = 2; 1416 else { 1417 Success = false; 1418 if (Diags) 1419 Diags->Report(diag::err_drv_invalid_value) 1420 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1421 << ShowCategory; 1422 } 1423 1424 StringRef Format = 1425 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1426 if (Format == "clang") 1427 Opts.setFormat(DiagnosticOptions::Clang); 1428 else if (Format == "msvc") 1429 Opts.setFormat(DiagnosticOptions::Msvc); 1430 else if (Format == "vi") 1431 Opts.setFormat(DiagnosticOptions::Vi); 1432 else { 1433 Success = false; 1434 if (Diags) 1435 Diags->Report(diag::err_drv_invalid_value) 1436 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1437 << Format; 1438 } 1439 1440 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1441 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1442 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1443 Opts.ElideType = !Args.hasArg(OPT_fno_elide_type); 1444 Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree); 1445 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1446 Opts.MacroBacktraceLimit 1447 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1448 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1449 Opts.TemplateBacktraceLimit 1450 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1451 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1452 Diags); 1453 Opts.ConstexprBacktraceLimit 1454 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1455 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1456 Diags); 1457 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1458 DiagnosticOptions::DefaultTabStop, Diags); 1459 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1460 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1461 if (Diags) 1462 Diags->Report(diag::warn_ignoring_ftabstop_value) 1463 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1464 } 1465 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1466 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1467 addWarningArgs(Args, Opts.Warnings); 1468 1469 return Success; 1470 } 1471 1472 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1473 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1474 } 1475 1476 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1477 DiagnosticsEngine &Diags) { 1478 using namespace options; 1479 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1480 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1481 switch (A->getOption().getID()) { 1482 default: 1483 llvm_unreachable("Invalid option in group!"); 1484 case OPT_ast_list: 1485 Opts.ProgramAction = frontend::ASTDeclList; break; 1486 case OPT_ast_dump: 1487 Opts.ProgramAction = frontend::ASTDump; break; 1488 case OPT_ast_dump_xml: 1489 Opts.ProgramAction = frontend::ASTDumpXML; break; 1490 case OPT_ast_print: 1491 Opts.ProgramAction = frontend::ASTPrint; break; 1492 case OPT_ast_view: 1493 Opts.ProgramAction = frontend::ASTView; break; 1494 case OPT_dump_raw_tokens: 1495 Opts.ProgramAction = frontend::DumpRawTokens; break; 1496 case OPT_dump_tokens: 1497 Opts.ProgramAction = frontend::DumpTokens; break; 1498 case OPT_S: 1499 Opts.ProgramAction = frontend::EmitAssembly; break; 1500 case OPT_emit_llvm_bc: 1501 Opts.ProgramAction = frontend::EmitBC; break; 1502 case OPT_emit_html: 1503 Opts.ProgramAction = frontend::EmitHTML; break; 1504 case OPT_emit_llvm: 1505 Opts.ProgramAction = frontend::EmitLLVM; break; 1506 case OPT_emit_llvm_only: 1507 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1508 case OPT_emit_codegen_only: 1509 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1510 case OPT_emit_obj: 1511 Opts.ProgramAction = frontend::EmitObj; break; 1512 case OPT_fixit_EQ: 1513 Opts.FixItSuffix = A->getValue(Args); 1514 // fall-through! 1515 case OPT_fixit: 1516 Opts.ProgramAction = frontend::FixIt; break; 1517 case OPT_emit_module: 1518 Opts.ProgramAction = frontend::GenerateModule; break; 1519 case OPT_emit_pch: 1520 Opts.ProgramAction = frontend::GeneratePCH; break; 1521 case OPT_emit_pth: 1522 Opts.ProgramAction = frontend::GeneratePTH; break; 1523 case OPT_init_only: 1524 Opts.ProgramAction = frontend::InitOnly; break; 1525 case OPT_fsyntax_only: 1526 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1527 case OPT_print_decl_contexts: 1528 Opts.ProgramAction = frontend::PrintDeclContext; break; 1529 case OPT_print_preamble: 1530 Opts.ProgramAction = frontend::PrintPreamble; break; 1531 case OPT_E: 1532 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1533 case OPT_rewrite_macros: 1534 Opts.ProgramAction = frontend::RewriteMacros; break; 1535 case OPT_rewrite_objc: 1536 Opts.ProgramAction = frontend::RewriteObjC; break; 1537 case OPT_rewrite_test: 1538 Opts.ProgramAction = frontend::RewriteTest; break; 1539 case OPT_analyze: 1540 Opts.ProgramAction = frontend::RunAnalysis; break; 1541 case OPT_migrate: 1542 Opts.ProgramAction = frontend::MigrateSource; break; 1543 case OPT_Eonly: 1544 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1545 } 1546 } 1547 1548 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1549 Opts.Plugins.push_back(A->getValue(Args,0)); 1550 Opts.ProgramAction = frontend::PluginAction; 1551 Opts.ActionName = A->getValue(Args); 1552 1553 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1554 end = Args.filtered_end(); it != end; ++it) { 1555 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1556 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1557 } 1558 } 1559 1560 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1561 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1562 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1563 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1564 end = Args.filtered_end(); it != end; ++it) { 1565 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1566 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1567 } 1568 } 1569 1570 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1571 Opts.CodeCompletionAt = 1572 ParsedSourceLocation::FromString(A->getValue(Args)); 1573 if (Opts.CodeCompletionAt.FileName.empty()) 1574 Diags.Report(diag::err_drv_invalid_value) 1575 << A->getAsString(Args) << A->getValue(Args); 1576 } 1577 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1578 1579 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1580 Opts.Plugins = Args.getAllArgValues(OPT_load); 1581 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1582 Opts.ShowHelp = Args.hasArg(OPT_help); 1583 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1584 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1585 Opts.ShowVersion = Args.hasArg(OPT_version); 1586 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1587 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1588 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1589 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1590 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1591 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1592 Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter); 1593 1594 Opts.CodeCompleteOpts.IncludeMacros 1595 = Args.hasArg(OPT_code_completion_macros); 1596 Opts.CodeCompleteOpts.IncludeCodePatterns 1597 = Args.hasArg(OPT_code_completion_patterns); 1598 Opts.CodeCompleteOpts.IncludeGlobals 1599 = !Args.hasArg(OPT_no_code_completion_globals); 1600 Opts.CodeCompleteOpts.IncludeBriefComments 1601 = Args.hasArg(OPT_code_completion_brief_comments); 1602 1603 Opts.OverrideRecordLayoutsFile 1604 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1605 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1606 OPT_arcmt_modify, 1607 OPT_arcmt_migrate)) { 1608 switch (A->getOption().getID()) { 1609 default: 1610 llvm_unreachable("missed a case"); 1611 case OPT_arcmt_check: 1612 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1613 break; 1614 case OPT_arcmt_modify: 1615 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1616 break; 1617 case OPT_arcmt_migrate: 1618 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1619 break; 1620 } 1621 } 1622 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1623 Opts.ARCMTMigrateReportOut 1624 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1625 Opts.ARCMTMigrateEmitARCErrors 1626 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1627 1628 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1629 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1630 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1631 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1632 1633 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1634 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1635 Diags.Report(diag::err_drv_argument_not_allowed_with) 1636 << "ARC migration" << "ObjC migration"; 1637 } 1638 1639 InputKind DashX = IK_None; 1640 if (const Arg *A = Args.getLastArg(OPT_x)) { 1641 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1642 .Case("c", IK_C) 1643 .Case("cl", IK_OpenCL) 1644 .Case("cuda", IK_CUDA) 1645 .Case("c++", IK_CXX) 1646 .Case("objective-c", IK_ObjC) 1647 .Case("objective-c++", IK_ObjCXX) 1648 .Case("cpp-output", IK_PreprocessedC) 1649 .Case("assembler-with-cpp", IK_Asm) 1650 .Case("c++-cpp-output", IK_PreprocessedCXX) 1651 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1652 .Case("objc-cpp-output", IK_PreprocessedObjC) 1653 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1654 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1655 .Case("c-header", IK_C) 1656 .Case("cl-header", IK_OpenCL) 1657 .Case("objective-c-header", IK_ObjC) 1658 .Case("c++-header", IK_CXX) 1659 .Case("objective-c++-header", IK_ObjCXX) 1660 .Case("ast", IK_AST) 1661 .Case("ir", IK_LLVM_IR) 1662 .Default(IK_None); 1663 if (DashX == IK_None) 1664 Diags.Report(diag::err_drv_invalid_value) 1665 << A->getAsString(Args) << A->getValue(Args); 1666 } 1667 1668 // '-' is the default input if none is given. 1669 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1670 Opts.Inputs.clear(); 1671 if (Inputs.empty()) 1672 Inputs.push_back("-"); 1673 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1674 InputKind IK = DashX; 1675 if (IK == IK_None) { 1676 IK = FrontendOptions::getInputKindForExtension( 1677 StringRef(Inputs[i]).rsplit('.').second); 1678 // FIXME: Remove this hack. 1679 if (i == 0) 1680 DashX = IK; 1681 } 1682 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1683 } 1684 1685 return DashX; 1686 } 1687 1688 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1689 void *MainAddr) { 1690 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1691 1692 if (!P.isEmpty()) { 1693 P.eraseComponent(); // Remove /clang from foo/bin/clang 1694 P.eraseComponent(); // Remove /bin from foo/bin 1695 1696 // Get foo/lib/clang/<version>/include 1697 P.appendComponent("lib"); 1698 P.appendComponent("clang"); 1699 P.appendComponent(CLANG_VERSION_STRING); 1700 } 1701 1702 return P.str(); 1703 } 1704 1705 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1706 using namespace options; 1707 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1708 Opts.Verbose = Args.hasArg(OPT_v); 1709 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1710 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1711 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1712 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1713 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1714 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1715 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1716 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1717 1718 // Add -I..., -F..., and -index-header-map options in order. 1719 bool IsIndexHeaderMap = false; 1720 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1721 OPT_index_header_map), 1722 ie = Args.filtered_end(); it != ie; ++it) { 1723 if ((*it)->getOption().matches(OPT_index_header_map)) { 1724 // -index-header-map applies to the next -I or -F. 1725 IsIndexHeaderMap = true; 1726 continue; 1727 } 1728 1729 frontend::IncludeDirGroup Group 1730 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1731 1732 Opts.AddPath((*it)->getValue(Args), Group, true, 1733 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1734 IsIndexHeaderMap = false; 1735 } 1736 1737 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1738 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1739 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1740 OPT_iwithprefixbefore), 1741 ie = Args.filtered_end(); it != ie; ++it) { 1742 const Arg *A = *it; 1743 if (A->getOption().matches(OPT_iprefix)) 1744 Prefix = A->getValue(Args); 1745 else if (A->getOption().matches(OPT_iwithprefix)) 1746 Opts.AddPath(Prefix.str() + A->getValue(Args), 1747 frontend::System, false, false, false); 1748 else 1749 Opts.AddPath(Prefix.str() + A->getValue(Args), 1750 frontend::Angled, false, false, false); 1751 } 1752 1753 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1754 ie = Args.filtered_end(); it != ie; ++it) 1755 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1756 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1757 ie = Args.filtered_end(); it != ie; ++it) 1758 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1759 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1760 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1761 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1762 !(*it)->getOption().matches(OPT_iwithsysroot)); 1763 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1764 ie = Args.filtered_end(); it != ie; ++it) 1765 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1766 true); 1767 1768 // Add the paths for the various language specific isystem flags. 1769 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1770 ie = Args.filtered_end(); it != ie; ++it) 1771 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1772 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1773 ie = Args.filtered_end(); it != ie; ++it) 1774 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1775 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1776 ie = Args.filtered_end(); it != ie; ++it) 1777 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1778 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1779 ie = Args.filtered_end(); it != ie; ++it) 1780 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1781 true); 1782 1783 // Add the internal paths from a driver that detects standard include paths. 1784 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1785 OPT_internal_externc_isystem), 1786 E = Args.filtered_end(); 1787 I != E; ++I) 1788 Opts.AddPath((*I)->getValue(Args), frontend::System, 1789 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1790 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1791 1792 // Add the path prefixes which are implicitly treated as being system headers. 1793 for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix, 1794 OPT_ino_system_prefix), 1795 E = Args.filtered_end(); 1796 I != E; ++I) 1797 Opts.AddSystemHeaderPrefix((*I)->getValue(Args), 1798 (*I)->getOption().matches(OPT_isystem_prefix)); 1799 } 1800 1801 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1802 LangStandard::Kind LangStd) { 1803 // Set some properties which depend solely on the input kind; it would be nice 1804 // to move these to the language standard, and have the driver resolve the 1805 // input kind + language standard. 1806 if (IK == IK_Asm) { 1807 Opts.AsmPreprocessor = 1; 1808 } else if (IK == IK_ObjC || 1809 IK == IK_ObjCXX || 1810 IK == IK_PreprocessedObjC || 1811 IK == IK_PreprocessedObjCXX) { 1812 Opts.ObjC1 = Opts.ObjC2 = 1; 1813 } 1814 1815 if (LangStd == LangStandard::lang_unspecified) { 1816 // Based on the base language, pick one. 1817 switch (IK) { 1818 case IK_None: 1819 case IK_AST: 1820 case IK_LLVM_IR: 1821 llvm_unreachable("Invalid input kind!"); 1822 case IK_OpenCL: 1823 LangStd = LangStandard::lang_opencl; 1824 break; 1825 case IK_CUDA: 1826 LangStd = LangStandard::lang_cuda; 1827 break; 1828 case IK_Asm: 1829 case IK_C: 1830 case IK_PreprocessedC: 1831 case IK_ObjC: 1832 case IK_PreprocessedObjC: 1833 LangStd = LangStandard::lang_gnu99; 1834 break; 1835 case IK_CXX: 1836 case IK_PreprocessedCXX: 1837 case IK_ObjCXX: 1838 case IK_PreprocessedObjCXX: 1839 LangStd = LangStandard::lang_gnucxx98; 1840 break; 1841 } 1842 } 1843 1844 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1845 Opts.BCPLComment = Std.hasBCPLComments(); 1846 Opts.C99 = Std.isC99(); 1847 Opts.C11 = Std.isC11(); 1848 Opts.CPlusPlus = Std.isCPlusPlus(); 1849 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1850 Opts.CPlusPlus1y = Std.isCPlusPlus1y(); 1851 Opts.Digraphs = Std.hasDigraphs(); 1852 Opts.GNUMode = Std.isGNUMode(); 1853 Opts.GNUInline = !Std.isC99(); 1854 Opts.HexFloats = Std.hasHexFloats(); 1855 Opts.ImplicitInt = Std.hasImplicitInt(); 1856 1857 // Set OpenCL Version. 1858 if (LangStd == LangStandard::lang_opencl) { 1859 Opts.OpenCL = 1; 1860 Opts.OpenCLVersion = 100; 1861 } 1862 else if (LangStd == LangStandard::lang_opencl11) { 1863 Opts.OpenCL = 1; 1864 Opts.OpenCLVersion = 110; 1865 } 1866 else if (LangStd == LangStandard::lang_opencl12) { 1867 Opts.OpenCL = 1; 1868 Opts.OpenCLVersion = 120; 1869 } 1870 1871 // OpenCL has some additional defaults. 1872 if (Opts.OpenCL) { 1873 Opts.AltiVec = 0; 1874 Opts.CXXOperatorNames = 1; 1875 Opts.LaxVectorConversions = 0; 1876 Opts.DefaultFPContract = 1; 1877 } 1878 1879 if (LangStd == LangStandard::lang_cuda) 1880 Opts.CUDA = 1; 1881 1882 // OpenCL and C++ both have bool, true, false keywords. 1883 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1884 1885 // C++ has wchar_t keyword. 1886 Opts.WChar = Opts.CPlusPlus; 1887 1888 Opts.GNUKeywords = Opts.GNUMode; 1889 Opts.CXXOperatorNames = Opts.CPlusPlus; 1890 1891 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1892 // is specified, or -std is set to a conforming mode. 1893 Opts.Trigraphs = !Opts.GNUMode; 1894 1895 Opts.DollarIdents = !Opts.AsmPreprocessor; 1896 } 1897 1898 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1899 DiagnosticsEngine &Diags) { 1900 // FIXME: Cleanup per-file based stuff. 1901 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1902 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1903 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1904 #define LANGSTANDARD(id, name, desc, features) \ 1905 .Case(name, LangStandard::lang_##id) 1906 #include "clang/Frontend/LangStandards.def" 1907 .Default(LangStandard::lang_unspecified); 1908 if (LangStd == LangStandard::lang_unspecified) 1909 Diags.Report(diag::err_drv_invalid_value) 1910 << A->getAsString(Args) << A->getValue(Args); 1911 else { 1912 // Valid standard, check to make sure language and standard are compatable. 1913 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1914 switch (IK) { 1915 case IK_C: 1916 case IK_ObjC: 1917 case IK_PreprocessedC: 1918 case IK_PreprocessedObjC: 1919 if (!(Std.isC89() || Std.isC99())) 1920 Diags.Report(diag::err_drv_argument_not_allowed_with) 1921 << A->getAsString(Args) << "C/ObjC"; 1922 break; 1923 case IK_CXX: 1924 case IK_ObjCXX: 1925 case IK_PreprocessedCXX: 1926 case IK_PreprocessedObjCXX: 1927 if (!Std.isCPlusPlus()) 1928 Diags.Report(diag::err_drv_argument_not_allowed_with) 1929 << A->getAsString(Args) << "C++/ObjC++"; 1930 break; 1931 case IK_OpenCL: 1932 if (!Std.isC99()) 1933 Diags.Report(diag::err_drv_argument_not_allowed_with) 1934 << A->getAsString(Args) << "OpenCL"; 1935 break; 1936 case IK_CUDA: 1937 if (!Std.isCPlusPlus()) 1938 Diags.Report(diag::err_drv_argument_not_allowed_with) 1939 << A->getAsString(Args) << "CUDA"; 1940 break; 1941 default: 1942 break; 1943 } 1944 } 1945 } 1946 1947 // -cl-std only applies for OpenCL language standards. 1948 // Override the -std option in this case. 1949 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1950 LangStandard::Kind OpenCLLangStd 1951 = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1952 .Case("CL", LangStandard::lang_opencl) 1953 .Case("CL1.1", LangStandard::lang_opencl11) 1954 .Case("CL1.2", LangStandard::lang_opencl12) 1955 .Default(LangStandard::lang_unspecified); 1956 1957 if (OpenCLLangStd == LangStandard::lang_unspecified) { 1958 Diags.Report(diag::err_drv_invalid_value) 1959 << A->getAsString(Args) << A->getValue(Args); 1960 } 1961 else 1962 LangStd = OpenCLLangStd; 1963 } 1964 1965 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1966 1967 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1968 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1969 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1970 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1971 // name, as it doesn't seem a useful distinction. 1972 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1973 Opts.GNUKeywords); 1974 1975 if (Args.hasArg(OPT_fno_operator_names)) 1976 Opts.CXXOperatorNames = 0; 1977 1978 if (Opts.ObjC1) { 1979 if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) { 1980 StringRef value = arg->getValue(Args); 1981 if (Opts.ObjCRuntime.tryParse(value)) 1982 Diags.Report(diag::err_drv_unknown_objc_runtime) << value; 1983 } 1984 1985 if (Args.hasArg(OPT_fobjc_gc_only)) 1986 Opts.setGC(LangOptions::GCOnly); 1987 else if (Args.hasArg(OPT_fobjc_gc)) 1988 Opts.setGC(LangOptions::HybridGC); 1989 else if (Args.hasArg(OPT_fobjc_arc)) { 1990 Opts.ObjCAutoRefCount = 1; 1991 if (!Opts.ObjCRuntime.allowsARC()) 1992 Diags.Report(diag::err_arc_unsupported_on_runtime); 1993 1994 // Only set ObjCARCWeak if ARC is enabled. 1995 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1996 Opts.ObjCARCWeak = 1; 1997 else 1998 Opts.ObjCARCWeak = Opts.ObjCRuntime.allowsWeak(); 1999 } 2000 2001 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 2002 Opts.ObjCInferRelatedResultType = 0; 2003 } 2004 2005 if (Args.hasArg(OPT_fgnu89_inline)) 2006 Opts.GNUInline = 1; 2007 2008 if (Args.hasArg(OPT_fapple_kext)) { 2009 if (!Opts.CPlusPlus) 2010 Diags.Report(diag::warn_c_kext); 2011 else 2012 Opts.AppleKext = 1; 2013 } 2014 2015 if (Args.hasArg(OPT_print_ivar_layout)) 2016 Opts.ObjCGCBitmapPrint = 1; 2017 if (Args.hasArg(OPT_fno_constant_cfstrings)) 2018 Opts.NoConstantCFStrings = 1; 2019 2020 if (Args.hasArg(OPT_faltivec)) 2021 Opts.AltiVec = 1; 2022 2023 if (Args.hasArg(OPT_pthread)) 2024 Opts.POSIXThreads = 1; 2025 2026 if (Args.hasArg(OPT_fdelayed_template_parsing)) 2027 Opts.DelayedTemplateParsing = 1; 2028 2029 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 2030 if (Vis == "default") 2031 Opts.setVisibilityMode(DefaultVisibility); 2032 else if (Vis == "hidden") 2033 Opts.setVisibilityMode(HiddenVisibility); 2034 else if (Vis == "protected") 2035 // FIXME: diagnose if target does not support protected visibility 2036 Opts.setVisibilityMode(ProtectedVisibility); 2037 else 2038 Diags.Report(diag::err_drv_invalid_value) 2039 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 2040 2041 if (Arg *A = Args.getLastArg(OPT_ffp_contract)) { 2042 StringRef Val = A->getValue(Args); 2043 if (Val == "fast") 2044 Opts.setFPContractMode(LangOptions::FPC_Fast); 2045 else if (Val == "on") 2046 Opts.setFPContractMode(LangOptions::FPC_On); 2047 else if (Val == "off") 2048 Opts.setFPContractMode(LangOptions::FPC_Off); 2049 else 2050 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val; 2051 } 2052 2053 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 2054 Opts.InlineVisibilityHidden = 1; 2055 2056 if (Args.hasArg(OPT_ftrapv)) { 2057 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 2058 // Set the handler, if one is specified. 2059 Opts.OverflowHandler = 2060 Args.getLastArgValue(OPT_ftrapv_handler); 2061 } 2062 else if (Args.hasArg(OPT_fwrapv)) 2063 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 2064 2065 if (Args.hasArg(OPT_trigraphs)) 2066 Opts.Trigraphs = 1; 2067 2068 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 2069 OPT_fno_dollars_in_identifiers, 2070 Opts.DollarIdents); 2071 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 2072 Opts.MicrosoftExt 2073 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 2074 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 2075 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 2076 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 2077 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 2078 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 2079 Opts.ConstStrings); 2080 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 2081 Opts.LaxVectorConversions = 0; 2082 if (Args.hasArg(OPT_fno_threadsafe_statics)) 2083 Opts.ThreadsafeStatics = 0; 2084 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 2085 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 2086 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 2087 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 2088 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 2089 2090 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 2091 Opts.Blocks = Args.hasArg(OPT_fblocks); 2092 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 2093 Opts.Modules = Args.hasArg(OPT_fmodules); 2094 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 2095 Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar); 2096 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 2097 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 2098 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 2099 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 2100 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 2101 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 2102 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 2103 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 2104 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 2105 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 512, 2106 Diags); 2107 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 2108 Diags); 2109 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 2110 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, 2111 0, Diags); 2112 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 2113 Opts.ObjCConstantStringClass = 2114 Args.getLastArgValue(OPT_fconstant_string_class); 2115 Opts.ObjCDefaultSynthProperties = 2116 Args.hasArg(OPT_fobjc_default_synthesize_properties); 2117 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 2118 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 2119 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); 2120 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 2121 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 2122 Opts.Static = Args.hasArg(OPT_static_define); 2123 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 2124 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 2125 || Args.hasArg(OPT_fdump_record_layouts); 2126 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 2127 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 2128 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 2129 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 2130 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 2131 Opts.MRTD = Args.hasArg(OPT_mrtd); 2132 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 2133 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 2134 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 2135 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 2136 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 2137 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 2138 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 2139 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 2140 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 2141 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 2142 2143 // Record whether the __DEPRECATED define was requested. 2144 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 2145 OPT_fno_deprecated_macro, 2146 Opts.Deprecated); 2147 2148 // FIXME: Eliminate this dependency. 2149 unsigned Opt = getOptimizationLevel(Args, IK, Diags), 2150 OptSize = getOptimizationLevelSize(Args, IK, Diags); 2151 Opts.Optimize = Opt != 0; 2152 Opts.OptimizeSize = OptSize != 0; 2153 2154 // This is the __NO_INLINE__ define, which just depends on things like the 2155 // optimization level and -fno-inline, not actually whether the backend has 2156 // inlining enabled. 2157 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 2158 2159 Opts.FastMath = Args.hasArg(OPT_ffast_math); 2160 Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only); 2161 2162 Opts.EmitMicrosoftInlineAsm = Args.hasArg(OPT_fenable_experimental_ms_inline_asm); 2163 2164 Opts.RetainCommentsFromSystemHeaders = 2165 Args.hasArg(OPT_fretain_comments_from_system_headers); 2166 2167 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 2168 switch (SSP) { 2169 default: 2170 Diags.Report(diag::err_drv_invalid_value) 2171 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 2172 break; 2173 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 2174 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 2175 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 2176 } 2177 } 2178 2179 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 2180 FileManager &FileMgr, 2181 DiagnosticsEngine &Diags) { 2182 using namespace options; 2183 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 2184 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 2185 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 2186 Opts.TokenCache = A->getValue(Args); 2187 else 2188 Opts.TokenCache = Opts.ImplicitPTHInclude; 2189 Opts.UsePredefines = !Args.hasArg(OPT_undef); 2190 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 2191 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 2192 2193 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 2194 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 2195 ie = Args.filtered_end(); it != ie; ++it) { 2196 const Arg *A = *it; 2197 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 2198 } 2199 2200 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 2201 StringRef Value(A->getValue(Args)); 2202 size_t Comma = Value.find(','); 2203 unsigned Bytes = 0; 2204 unsigned EndOfLine = 0; 2205 2206 if (Comma == StringRef::npos || 2207 Value.substr(0, Comma).getAsInteger(10, Bytes) || 2208 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 2209 Diags.Report(diag::err_drv_preamble_format); 2210 else { 2211 Opts.PrecompiledPreambleBytes.first = Bytes; 2212 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 2213 } 2214 } 2215 2216 // Add macros from the command line. 2217 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 2218 ie = Args.filtered_end(); it != ie; ++it) { 2219 if ((*it)->getOption().matches(OPT_D)) 2220 Opts.addMacroDef((*it)->getValue(Args)); 2221 else 2222 Opts.addMacroUndef((*it)->getValue(Args)); 2223 } 2224 2225 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2226 2227 // Add the ordered list of -includes. 2228 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2229 OPT_include_pth), 2230 ie = Args.filtered_end(); it != ie; ++it) { 2231 const Arg *A = *it; 2232 Opts.Includes.push_back(A->getValue(Args)); 2233 } 2234 2235 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2236 ie = Args.filtered_end(); it != ie; ++it) { 2237 const Arg *A = *it; 2238 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2239 } 2240 2241 // Include 'altivec.h' if -faltivec option present 2242 if (Args.hasArg(OPT_faltivec)) 2243 Opts.Includes.push_back("altivec.h"); 2244 2245 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2246 ie = Args.filtered_end(); it != ie; ++it) { 2247 const Arg *A = *it; 2248 std::pair<StringRef,StringRef> Split = 2249 StringRef(A->getValue(Args)).split(';'); 2250 2251 if (Split.second.empty()) { 2252 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2253 continue; 2254 } 2255 2256 Opts.addRemappedFile(Split.first, Split.second); 2257 } 2258 2259 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2260 StringRef Name = A->getValue(Args); 2261 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2262 .Case("libc++", ARCXX_libcxx) 2263 .Case("libstdc++", ARCXX_libstdcxx) 2264 .Case("none", ARCXX_nolib) 2265 .Default(~0U); 2266 if (Library == ~0U) 2267 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2268 else 2269 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2270 } 2271 } 2272 2273 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2274 ArgList &Args) { 2275 using namespace options; 2276 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2277 Opts.ShowComments = Args.hasArg(OPT_C); 2278 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2279 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2280 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2281 Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes); 2282 } 2283 2284 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2285 using namespace options; 2286 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2287 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2288 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2289 Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature); 2290 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2291 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2292 2293 // Use the default target triple if unspecified. 2294 if (Opts.Triple.empty()) 2295 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2296 } 2297 2298 // 2299 2300 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2301 const char *const *ArgBegin, 2302 const char *const *ArgEnd, 2303 DiagnosticsEngine &Diags) { 2304 bool Success = true; 2305 2306 // Parse the arguments. 2307 OwningPtr<OptTable> Opts(createDriverOptTable()); 2308 unsigned MissingArgIndex, MissingArgCount; 2309 OwningPtr<InputArgList> Args( 2310 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2311 2312 // Check for missing argument error. 2313 if (MissingArgCount) { 2314 Diags.Report(diag::err_drv_missing_argument) 2315 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2316 Success = false; 2317 } 2318 2319 // Issue errors on unknown arguments. 2320 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2321 ie = Args->filtered_end(); it != ie; ++it) { 2322 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2323 Success = false; 2324 } 2325 2326 // Issue errors on arguments that are not valid for CC1. 2327 for (ArgList::iterator I = Args->begin(), E = Args->end(); 2328 I != E; ++I) { 2329 if (!(*I)->getOption().hasFlag(options::CC1Option)) { 2330 Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); 2331 Success = false; 2332 } 2333 } 2334 2335 Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success; 2336 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2337 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2338 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2339 && Success; 2340 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2341 // FIXME: We shouldn't have to pass the DashX option around here 2342 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2343 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2344 && Success; 2345 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2346 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2347 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2348 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2349 Res.getLangOpts()->ObjCExceptions = 1; 2350 } 2351 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2352 // PCH file and find the original header name. Remove the need to do that in 2353 // ParsePreprocessorArgs and remove the FileManager 2354 // parameters from the function and the "FileManager.h" #include. 2355 FileManager FileMgr(Res.getFileSystemOpts()); 2356 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2357 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2358 ParseTargetArgs(Res.getTargetOpts(), *Args); 2359 2360 return Success; 2361 } 2362 2363 namespace { 2364 2365 class ModuleSignature { 2366 llvm::SmallVector<uint64_t, 16> Data; 2367 unsigned CurBit; 2368 uint64_t CurValue; 2369 2370 public: 2371 ModuleSignature() : CurBit(0), CurValue(0) { } 2372 2373 void add(uint64_t Value, unsigned Bits); 2374 void add(StringRef Value); 2375 void flush(); 2376 2377 llvm::APInt getAsInteger() const; 2378 }; 2379 } 2380 2381 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2382 CurValue |= Value << CurBit; 2383 if (CurBit + NumBits < 64) { 2384 CurBit += NumBits; 2385 return; 2386 } 2387 2388 // Add the current word. 2389 Data.push_back(CurValue); 2390 2391 if (CurBit) 2392 CurValue = Value >> (64-CurBit); 2393 else 2394 CurValue = 0; 2395 CurBit = (CurBit+NumBits) & 63; 2396 } 2397 2398 void ModuleSignature::flush() { 2399 if (CurBit == 0) 2400 return; 2401 2402 Data.push_back(CurValue); 2403 CurBit = 0; 2404 CurValue = 0; 2405 } 2406 2407 void ModuleSignature::add(StringRef Value) { 2408 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2409 add(*I, 8); 2410 } 2411 2412 llvm::APInt ModuleSignature::getAsInteger() const { 2413 return llvm::APInt(Data.size() * 64, Data); 2414 } 2415 2416 std::string CompilerInvocation::getModuleHash() const { 2417 ModuleSignature Signature; 2418 2419 // Start the signature with the compiler version. 2420 // FIXME: The full version string can be quite long. Omit it from the 2421 // module hash for now to avoid failures where the path name becomes too 2422 // long. An MD5 or similar checksum would work well here. 2423 // Signature.add(getClangFullRepositoryVersion()); 2424 2425 // Extend the signature with the language options 2426 #define LANGOPT(Name, Bits, Default, Description) \ 2427 Signature.add(LangOpts->Name, Bits); 2428 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2429 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2430 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2431 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2432 #include "clang/Basic/LangOptions.def" 2433 2434 // Extend the signature with the target triple 2435 // FIXME: Add target options. 2436 llvm::Triple T(TargetOpts->Triple); 2437 Signature.add((unsigned)T.getArch(), 5); 2438 Signature.add((unsigned)T.getVendor(), 4); 2439 Signature.add((unsigned)T.getOS(), 5); 2440 Signature.add((unsigned)T.getEnvironment(), 4); 2441 2442 // Extend the signature with preprocessor options. 2443 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2444 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2445 2446 // Hash the preprocessor defines. 2447 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2448 std::vector<StringRef> MacroDefs; 2449 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2450 I = getPreprocessorOpts().Macros.begin(), 2451 IEnd = getPreprocessorOpts().Macros.end(); 2452 I != IEnd; ++I) { 2453 if (!I->second) 2454 MacroDefs.push_back(I->first); 2455 } 2456 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2457 2458 unsigned PPHashResult = 0; 2459 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2460 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2461 Signature.add(PPHashResult, 32); 2462 2463 // We've generated the signature. Treat it as one large APInt that we'll 2464 // encode in base-36 and return. 2465 Signature.flush(); 2466 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2467 } 2468