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 HeaderSearchOpts(new HeaderSearchOptions()), 41 PreprocessorOpts(new PreprocessorOptions()) {} 42 43 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 44 : RefCountedBase<CompilerInvocation>(), 45 LangOpts(new LangOptions(*X.getLangOpts())), 46 TargetOpts(new TargetOptions(X.getTargetOpts())), 47 DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())), 48 HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())), 49 PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())) {} 50 51 //===----------------------------------------------------------------------===// 52 // Utility functions. 53 //===----------------------------------------------------------------------===// 54 55 static const char *getAnalysisStoreName(AnalysisStores Kind) { 56 switch (Kind) { 57 default: 58 llvm_unreachable("Unknown analysis store!"); 59 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 60 case NAME##Model: return CMDFLAG; 61 #include "clang/StaticAnalyzer/Core/Analyses.def" 62 } 63 } 64 65 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 66 switch (Kind) { 67 default: 68 llvm_unreachable("Unknown analysis constraints!"); 69 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 70 case NAME##Model: return CMDFLAG; 71 #include "clang/StaticAnalyzer/Core/Analyses.def" 72 } 73 } 74 75 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 76 switch (Kind) { 77 default: 78 llvm_unreachable("Unknown analysis client!"); 79 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 80 case PD_##NAME: return CMDFLAG; 81 #include "clang/StaticAnalyzer/Core/Analyses.def" 82 } 83 } 84 85 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 86 switch (Kind) { 87 default: 88 llvm_unreachable("Unknown analysis purge mode!"); 89 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 90 case NAME: return CMDFLAG; 91 #include "clang/StaticAnalyzer/Core/Analyses.def" 92 } 93 } 94 95 static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 96 switch (Kind) { 97 default: 98 llvm_unreachable("Unknown analysis ipa mode!"); 99 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 100 case NAME: return CMDFLAG; 101 #include "clang/StaticAnalyzer/Core/Analyses.def" 102 } 103 } 104 105 static const char * 106 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 107 switch (Kind) { 108 default: 109 llvm_unreachable("Unknown analysis inlining mode!"); 110 #define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 111 case NAME: return CMDFLAG; 112 #include "clang/StaticAnalyzer/Core/Analyses.def" 113 } 114 } 115 116 //===----------------------------------------------------------------------===// 117 // Serialization (to args) 118 //===----------------------------------------------------------------------===// 119 120 namespace { 121 /// ToArgsList - Helper class to create a list of std::strings. 122 class ToArgsList { 123 std::vector<std::string> &Res; 124 public: 125 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 126 127 void push_back(StringRef Str) { 128 // Avoid creating a temporary string. 129 Res.push_back(std::string()); 130 Res.back().assign(Str.data(), Str.size()); 131 } 132 133 void push_back(StringRef Str1, StringRef Str2) { 134 push_back(Str1); 135 push_back(Str2); 136 } 137 }; 138 } 139 140 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 141 if (Opts.ShowCheckerHelp) 142 Res.push_back("-analyzer-checker-help"); 143 if (Opts.AnalysisStoreOpt != RegionStoreModel) 144 Res.push_back("-analyzer-store", 145 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 146 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 147 Res.push_back("-analyzer-constraints", 148 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 149 if (Opts.AnalysisDiagOpt != PD_HTML) 150 Res.push_back("-analyzer-output", 151 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 152 if (Opts.AnalysisPurgeOpt != PurgeStmt) 153 Res.push_back("-analyzer-purge", 154 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 155 if (!Opts.AnalyzeSpecificFunction.empty()) 156 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 157 if (Opts.IPAMode != DynamicDispatchBifurcate) 158 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 159 if (Opts.InliningMode != NoRedundancy) 160 Res.push_back("-analyzer-inlining-mode", 161 getAnalysisInliningModeName(Opts.InliningMode)); 162 163 if (Opts.AnalyzeAll) 164 Res.push_back("-analyzer-opt-analyze-headers"); 165 if (Opts.AnalyzerDisplayProgress) 166 Res.push_back("-analyzer-display-progress"); 167 if (Opts.AnalyzeNestedBlocks) 168 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 169 if (Opts.eagerlyAssumeBinOpBifurcation) 170 Res.push_back("-analyzer-eagerly-assume"); 171 if (Opts.TrimGraph) 172 Res.push_back("-trim-egraph"); 173 if (Opts.visualizeExplodedGraphWithGraphViz) 174 Res.push_back("-analyzer-viz-egraph-graphviz"); 175 if (Opts.visualizeExplodedGraphWithUbiGraph) 176 Res.push_back("-analyzer-viz-egraph-ubigraph"); 177 if (Opts.NoRetryExhausted) 178 Res.push_back("-analyzer-disable-retry-exhausted"); 179 180 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 181 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 182 if (opt.second) 183 Res.push_back("-analyzer-disable-checker"); 184 else 185 Res.push_back("-analyzer-checker"); 186 Res.push_back(opt.first); 187 } 188 } 189 190 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 191 switch (Opts.getDebugInfo()) { 192 case CodeGenOptions::NoDebugInfo: 193 break; 194 case CodeGenOptions::DebugLineTablesOnly: 195 Res.push_back("-gline-tables-only"); 196 break; 197 case CodeGenOptions::LimitedDebugInfo: 198 Res.push_back("-g"); 199 Res.push_back("-flimit-debug-info"); 200 break; 201 case CodeGenOptions::FullDebugInfo: 202 Res.push_back("-g"); 203 Res.push_back("-fno-limit-debug-info"); 204 break; 205 } 206 if (Opts.DebugColumnInfo) 207 Res.push_back("-gcolumn-info"); 208 if (Opts.DisableLLVMOpts) 209 Res.push_back("-disable-llvm-optzns"); 210 if (Opts.DisableRedZone) 211 Res.push_back("-disable-red-zone"); 212 if (Opts.DisableTailCalls) 213 Res.push_back("-mdisable-tail-calls"); 214 if (!Opts.DebugCompilationDir.empty()) 215 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 216 if (!Opts.DwarfDebugFlags.empty()) 217 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 218 if (Opts.EmitGcovArcs) 219 Res.push_back("-femit-coverage-data"); 220 if (Opts.EmitGcovNotes) 221 Res.push_back("-femit-coverage-notes"); 222 if (Opts.EmitOpenCLArgMetadata) 223 Res.push_back("-cl-kernel-arg-info"); 224 if (!Opts.MergeAllConstants) 225 Res.push_back("-fno-merge-all-constants"); 226 if (Opts.NoCommon) 227 Res.push_back("-fno-common"); 228 if (Opts.ForbidGuardVariables) 229 Res.push_back("-fforbid-guard-variables"); 230 if (Opts.UseRegisterSizedBitfieldAccess) 231 Res.push_back("-fuse-register-sized-bitfield-access"); 232 if (Opts.NoImplicitFloat) 233 Res.push_back("-no-implicit-float"); 234 if (Opts.OmitLeafFramePointer) 235 Res.push_back("-momit-leaf-frame-pointer"); 236 if (Opts.OptimizeSize) { 237 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 238 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 239 } else if (Opts.OptimizationLevel != 0) 240 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 241 if (!Opts.MainFileName.empty()) 242 Res.push_back("-main-file-name", Opts.MainFileName); 243 if (Opts.NoInfsFPMath) 244 Res.push_back("-menable-no-infinities"); 245 if (Opts.NoNaNsFPMath) 246 Res.push_back("-menable-no-nans"); 247 // SimplifyLibCalls is only derived. 248 // TimePasses is only derived. 249 // UnitAtATime is unused. 250 // Inlining is only derived. 251 252 // UnrollLoops is derived, but also accepts an option, no 253 // harm in pushing it back here. 254 if (Opts.UnrollLoops) 255 Res.push_back("-funroll-loops"); 256 if (Opts.DataSections) 257 Res.push_back("-fdata-sections"); 258 if (Opts.FunctionSections) 259 Res.push_back("-ffunction-sections"); 260 if (Opts.AsmVerbose) 261 Res.push_back("-masm-verbose"); 262 if (!Opts.CodeModel.empty()) 263 Res.push_back("-mcode-model", Opts.CodeModel); 264 if (Opts.CUDAIsDevice) 265 Res.push_back("-fcuda-is-device"); 266 if (!Opts.CXAAtExit) 267 Res.push_back("-fno-use-cxa-atexit"); 268 if (Opts.CXXCtorDtorAliases) 269 Res.push_back("-mconstructor-aliases"); 270 if (Opts.ObjCAutoRefCountExceptions) 271 Res.push_back("-fobjc-arc-eh"); 272 if (!Opts.DebugPass.empty()) { 273 Res.push_back("-mdebug-pass", Opts.DebugPass); 274 } 275 if (Opts.DisableFPElim) 276 Res.push_back("-mdisable-fp-elim"); 277 if (!Opts.FloatABI.empty()) 278 Res.push_back("-mfloat-abi", Opts.FloatABI); 279 if (!Opts.LimitFloatPrecision.empty()) 280 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 281 if (Opts.NoZeroInitializedInBSS) 282 Res.push_back("-mno-zero-initialized-bss"); 283 switch (Opts.getObjCDispatchMethod()) { 284 case CodeGenOptions::Legacy: 285 break; 286 case CodeGenOptions::Mixed: 287 Res.push_back("-fobjc-dispatch-method=mixed"); 288 break; 289 case CodeGenOptions::NonLegacy: 290 Res.push_back("-fobjc-dispatch-method=non-legacy"); 291 break; 292 } 293 if (Opts.BoundsChecking > 0) 294 Res.push_back("-fbounds-checking=" + llvm::utostr(Opts.BoundsChecking)); 295 if (Opts.NumRegisterParameters) 296 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 297 if (Opts.NoGlobalMerge) 298 Res.push_back("-mno-global-merge"); 299 if (Opts.NoExecStack) 300 Res.push_back("-mnoexecstack"); 301 if (Opts.RelaxAll) 302 Res.push_back("-mrelax-all"); 303 if (Opts.SaveTempLabels) 304 Res.push_back("-msave-temp-labels"); 305 if (Opts.NoDwarf2CFIAsm) 306 Res.push_back("-fno-dwarf2-cfi-asm"); 307 if (Opts.NoDwarfDirectoryAsm) 308 Res.push_back("-fno-dwarf-directory-asm"); 309 if (Opts.SoftFloat) 310 Res.push_back("-msoft-float"); 311 if (Opts.StrictEnums) 312 Res.push_back("-fstrict-enums"); 313 if (Opts.UnwindTables) 314 Res.push_back("-munwind-tables"); 315 if (Opts.RelocationModel != "pic") 316 Res.push_back("-mrelocation-model", Opts.RelocationModel); 317 if (!Opts.VerifyModule) 318 Res.push_back("-disable-llvm-verifier"); 319 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 320 Res.push_back("-backend-option", Opts.BackendOptions[i]); 321 322 switch (Opts.getDefaultTLSModel()) { 323 case CodeGenOptions::GeneralDynamicTLSModel: 324 break; 325 case CodeGenOptions::LocalDynamicTLSModel: 326 Res.push_back("-ftls-model=local-dynamic"); 327 break; 328 case CodeGenOptions::InitialExecTLSModel: 329 Res.push_back("-ftls-model=initial-exec"); 330 break; 331 case CodeGenOptions::LocalExecTLSModel: 332 Res.push_back("-ftls-model=local-exec"); 333 break; 334 } 335 } 336 337 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 338 ToArgsList &Res) { 339 if (Opts.IncludeSystemHeaders) 340 Res.push_back("-sys-header-deps"); 341 if (Opts.ShowHeaderIncludes) 342 Res.push_back("-H"); 343 if (!Opts.HeaderIncludeOutputFile.empty()) 344 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 345 if (Opts.UsePhonyTargets) 346 Res.push_back("-MP"); 347 if (!Opts.OutputFile.empty()) 348 Res.push_back("-dependency-file", Opts.OutputFile); 349 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 350 Res.push_back("-MT", Opts.Targets[i]); 351 } 352 353 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 354 ToArgsList &Res) { 355 if (Opts.IgnoreWarnings) 356 Res.push_back("-w"); 357 if (Opts.NoRewriteMacros) 358 Res.push_back("-Wno-rewrite-macros"); 359 if (Opts.Pedantic) 360 Res.push_back("-pedantic"); 361 if (Opts.PedanticErrors) 362 Res.push_back("-pedantic-errors"); 363 if (!Opts.ShowColumn) 364 Res.push_back("-fno-show-column"); 365 if (!Opts.ShowLocation) 366 Res.push_back("-fno-show-source-location"); 367 if (!Opts.ShowCarets) 368 Res.push_back("-fno-caret-diagnostics"); 369 if (!Opts.ShowFixits) 370 Res.push_back("-fno-diagnostics-fixit-info"); 371 if (Opts.ShowSourceRanges) 372 Res.push_back("-fdiagnostics-print-source-range-info"); 373 if (Opts.ShowParseableFixits) 374 Res.push_back("-fdiagnostics-parseable-fixits"); 375 if (Opts.ShowColors) 376 Res.push_back("-fcolor-diagnostics"); 377 if (Opts.VerifyDiagnostics) 378 Res.push_back("-verify"); 379 if (Opts.ShowOptionNames) 380 Res.push_back("-fdiagnostics-show-option"); 381 if (Opts.ShowCategories == 1) 382 Res.push_back("-fdiagnostics-show-category=id"); 383 else if (Opts.ShowCategories == 2) 384 Res.push_back("-fdiagnostics-show-category=name"); 385 switch (Opts.getFormat()) { 386 case DiagnosticOptions::Clang: 387 Res.push_back("-fdiagnostics-format=clang"); break; 388 case DiagnosticOptions::Msvc: 389 Res.push_back("-fdiagnostics-format=msvc"); break; 390 case DiagnosticOptions::Vi: 391 Res.push_back("-fdiagnostics-format=vi"); break; 392 } 393 if (Opts.ErrorLimit) 394 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 395 if (!Opts.DiagnosticLogFile.empty()) 396 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 397 if (Opts.MacroBacktraceLimit 398 != DiagnosticOptions::DefaultMacroBacktraceLimit) 399 Res.push_back("-fmacro-backtrace-limit", 400 llvm::utostr(Opts.MacroBacktraceLimit)); 401 if (Opts.TemplateBacktraceLimit 402 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 403 Res.push_back("-ftemplate-backtrace-limit", 404 llvm::utostr(Opts.TemplateBacktraceLimit)); 405 if (Opts.ConstexprBacktraceLimit 406 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 407 Res.push_back("-fconstexpr-backtrace-limit", 408 llvm::utostr(Opts.ConstexprBacktraceLimit)); 409 410 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 411 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 412 if (Opts.MessageLength) 413 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 414 if (!Opts.DumpBuildInformation.empty()) 415 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 416 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 417 Res.push_back("-W" + Opts.Warnings[i]); 418 } 419 420 static const char *getInputKindName(InputKind Kind) { 421 switch (Kind) { 422 case IK_None: break; 423 case IK_AST: return "ast"; 424 case IK_Asm: return "assembler-with-cpp"; 425 case IK_C: return "c"; 426 case IK_CXX: return "c++"; 427 case IK_LLVM_IR: return "ir"; 428 case IK_ObjC: return "objective-c"; 429 case IK_ObjCXX: return "objective-c++"; 430 case IK_OpenCL: return "cl"; 431 case IK_CUDA: return "cuda"; 432 case IK_PreprocessedC: return "cpp-output"; 433 case IK_PreprocessedCXX: return "c++-cpp-output"; 434 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 435 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 436 } 437 438 llvm_unreachable("Unexpected language kind!"); 439 } 440 441 static const char *getActionName(frontend::ActionKind Kind) { 442 switch (Kind) { 443 case frontend::PluginAction: 444 llvm_unreachable("Invalid kind!"); 445 446 case frontend::ASTDeclList: return "-ast-list"; 447 case frontend::ASTDump: return "-ast-dump"; 448 case frontend::ASTDumpXML: return "-ast-dump-xml"; 449 case frontend::ASTPrint: return "-ast-print"; 450 case frontend::ASTView: return "-ast-view"; 451 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 452 case frontend::DumpTokens: return "-dump-tokens"; 453 case frontend::EmitAssembly: return "-S"; 454 case frontend::EmitBC: return "-emit-llvm-bc"; 455 case frontend::EmitHTML: return "-emit-html"; 456 case frontend::EmitLLVM: return "-emit-llvm"; 457 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 458 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 459 case frontend::EmitObj: return "-emit-obj"; 460 case frontend::FixIt: return "-fixit"; 461 case frontend::GenerateModule: return "-emit-module"; 462 case frontend::GeneratePCH: return "-emit-pch"; 463 case frontend::GeneratePTH: return "-emit-pth"; 464 case frontend::InitOnly: return "-init-only"; 465 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 466 case frontend::PrintDeclContext: return "-print-decl-contexts"; 467 case frontend::PrintPreamble: return "-print-preamble"; 468 case frontend::PrintPreprocessedInput: return "-E"; 469 case frontend::RewriteMacros: return "-rewrite-macros"; 470 case frontend::RewriteObjC: return "-rewrite-objc"; 471 case frontend::RewriteTest: return "-rewrite-test"; 472 case frontend::RunAnalysis: return "-analyze"; 473 case frontend::MigrateSource: return "-migrate"; 474 case frontend::RunPreprocessorOnly: return "-Eonly"; 475 } 476 477 llvm_unreachable("Unexpected language kind!"); 478 } 479 480 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 481 if (!Opts.WorkingDir.empty()) 482 Res.push_back("-working-directory", Opts.WorkingDir); 483 } 484 485 static void CodeCompleteOptionsToArgs(const CodeCompleteOptions &Opts, 486 ToArgsList &Res) { 487 if (Opts.IncludeMacros) 488 Res.push_back("-code-completion-macros"); 489 if (Opts.IncludeCodePatterns) 490 Res.push_back("-code-completion-patterns"); 491 if (!Opts.IncludeGlobals) 492 Res.push_back("-no-code-completion-globals"); 493 if (Opts.IncludeBriefComments) 494 Res.push_back("-code-completion-brief-comments"); 495 } 496 497 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 498 if (Opts.DisableFree) 499 Res.push_back("-disable-free"); 500 if (Opts.RelocatablePCH) 501 Res.push_back("-relocatable-pch"); 502 if (Opts.ShowHelp) 503 Res.push_back("-help"); 504 if (Opts.ShowStats) 505 Res.push_back("-print-stats"); 506 if (Opts.ShowTimers) 507 Res.push_back("-ftime-report"); 508 if (Opts.ShowVersion) 509 Res.push_back("-version"); 510 if (Opts.FixWhatYouCan) 511 Res.push_back("-fix-what-you-can"); 512 if (Opts.FixOnlyWarnings) 513 Res.push_back("-fix-only-warnings"); 514 if (Opts.FixAndRecompile) 515 Res.push_back("-fixit-recompile"); 516 if (Opts.FixToTemporaries) 517 Res.push_back("-fixit-to-temporary"); 518 switch (Opts.ARCMTAction) { 519 case FrontendOptions::ARCMT_None: 520 break; 521 case FrontendOptions::ARCMT_Check: 522 Res.push_back("-arcmt-check"); 523 break; 524 case FrontendOptions::ARCMT_Modify: 525 Res.push_back("-arcmt-modify"); 526 break; 527 case FrontendOptions::ARCMT_Migrate: 528 Res.push_back("-arcmt-migrate"); 529 break; 530 } 531 CodeCompleteOptionsToArgs(Opts.CodeCompleteOpts, Res); 532 if (!Opts.MTMigrateDir.empty()) 533 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 534 if (!Opts.ARCMTMigrateReportOut.empty()) 535 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 536 if (Opts.ARCMTMigrateEmitARCErrors) 537 Res.push_back("-arcmt-migrate-emit-errors"); 538 539 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 540 Res.push_back("-objcmt-migrate-literals"); 541 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 542 Res.push_back("-objcmt-migrate-subscripting"); 543 544 bool NeedLang = false; 545 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 546 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 547 Opts.Inputs[i].Kind) 548 NeedLang = true; 549 if (NeedLang) 550 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 551 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 552 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 553 "Unable to represent this input vector!"); 554 Res.push_back(Opts.Inputs[i].File); 555 } 556 557 if (!Opts.OutputFile.empty()) 558 Res.push_back("-o", Opts.OutputFile); 559 if (!Opts.CodeCompletionAt.FileName.empty()) 560 Res.push_back("-code-completion-at", 561 Opts.CodeCompletionAt.FileName + ":" + 562 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 563 llvm::utostr(Opts.CodeCompletionAt.Column)); 564 if (Opts.ProgramAction != frontend::PluginAction) 565 Res.push_back(getActionName(Opts.ProgramAction)); 566 if (!Opts.ActionName.empty()) { 567 Res.push_back("-plugin", Opts.ActionName); 568 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 569 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 570 } 571 if (!Opts.ASTDumpFilter.empty()) 572 Res.push_back("-ast-dump-filter", Opts.ASTDumpFilter); 573 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 574 Res.push_back("-load", Opts.Plugins[i]); 575 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 576 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 577 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 578 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 579 Opts.AddPluginArgs[i][ai]); 580 } 581 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 582 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 583 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 584 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 585 if (!Opts.OverrideRecordLayoutsFile.empty()) 586 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 587 } 588 589 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 590 ToArgsList &Res) { 591 if (Opts.Sysroot != "/") { 592 Res.push_back("-isysroot"); 593 Res.push_back(Opts.Sysroot); 594 } 595 596 /// User specified include entries. 597 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 598 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 599 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 600 llvm::report_fatal_error("Invalid option set!"); 601 if (E.IsUserSupplied) { 602 switch (E.Group) { 603 case frontend::After: 604 Res.push_back("-idirafter"); 605 break; 606 607 case frontend::Quoted: 608 Res.push_back("-iquote"); 609 break; 610 611 case frontend::System: 612 Res.push_back("-isystem"); 613 break; 614 615 case frontend::IndexHeaderMap: 616 Res.push_back("-index-header-map"); 617 Res.push_back(E.IsFramework? "-F" : "-I"); 618 break; 619 620 case frontend::CSystem: 621 Res.push_back("-c-isystem"); 622 break; 623 624 case frontend::CXXSystem: 625 Res.push_back("-cxx-isystem"); 626 break; 627 628 case frontend::ObjCSystem: 629 Res.push_back("-objc-isystem"); 630 break; 631 632 case frontend::ObjCXXSystem: 633 Res.push_back("-objcxx-isystem"); 634 break; 635 636 case frontend::Angled: 637 Res.push_back(E.IsFramework ? "-F" : "-I"); 638 break; 639 } 640 } else { 641 if (E.IsInternal) { 642 assert(E.Group == frontend::System && "Unexpected header search group"); 643 if (E.ImplicitExternC) 644 Res.push_back("-internal-externc-isystem"); 645 else 646 Res.push_back("-internal-isystem"); 647 } else { 648 if (E.Group != frontend::Angled && E.Group != frontend::System) 649 llvm::report_fatal_error("Invalid option set!"); 650 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 651 "-iwithprefix"); 652 } 653 } 654 Res.push_back(E.Path); 655 } 656 657 /// User-specified system header prefixes. 658 for (unsigned i = 0, e = Opts.SystemHeaderPrefixes.size(); i != e; ++i) { 659 if (Opts.SystemHeaderPrefixes[i].IsSystemHeader) 660 Res.push_back("-isystem-prefix"); 661 else 662 Res.push_back("-ino-system-prefix"); 663 664 Res.push_back(Opts.SystemHeaderPrefixes[i].Prefix); 665 } 666 667 if (!Opts.ResourceDir.empty()) 668 Res.push_back("-resource-dir", Opts.ResourceDir); 669 if (!Opts.ModuleCachePath.empty()) 670 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 671 if (!Opts.UseStandardSystemIncludes) 672 Res.push_back("-nostdsysteminc"); 673 if (!Opts.UseStandardCXXIncludes) 674 Res.push_back("-nostdinc++"); 675 if (Opts.UseLibcxx) 676 Res.push_back("-stdlib=libc++"); 677 if (Opts.Verbose) 678 Res.push_back("-v"); 679 } 680 681 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 682 LangOptions DefaultLangOpts; 683 684 // FIXME: Need to set -std to get all the implicit options. 685 686 // FIXME: We want to only pass options relative to the defaults, which 687 // requires constructing a target. :( 688 // 689 // It would be better to push the all target specific choices into the driver, 690 // so that everything below that was more uniform. 691 692 if (Opts.Trigraphs) 693 Res.push_back("-trigraphs"); 694 // Implicit based on the input kind: 695 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 696 // Implicit based on the input language standard: 697 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 698 if (Opts.DollarIdents) 699 Res.push_back("-fdollars-in-identifiers"); 700 if (Opts.GNUMode && !Opts.GNUKeywords) 701 Res.push_back("-fno-gnu-keywords"); 702 if (!Opts.GNUMode && Opts.GNUKeywords) 703 Res.push_back("-fgnu-keywords"); 704 if (Opts.MicrosoftExt) 705 Res.push_back("-fms-extensions"); 706 if (Opts.MicrosoftMode) 707 Res.push_back("-fms-compatibility"); 708 if (Opts.MSCVersion != 0) 709 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 710 if (Opts.Borland) 711 Res.push_back("-fborland-extensions"); 712 if (Opts.ObjCDefaultSynthProperties) 713 Res.push_back("-fobjc-default-synthesize-properties"); 714 // NoInline is implicit. 715 if (!Opts.CXXOperatorNames) 716 Res.push_back("-fno-operator-names"); 717 if (Opts.PascalStrings) 718 Res.push_back("-fpascal-strings"); 719 if (Opts.CatchUndefined) 720 Res.push_back("-fcatch-undefined-behavior"); 721 if (Opts.AddressSanitizer) 722 Res.push_back("-faddress-sanitizer"); 723 if (Opts.ThreadSanitizer) 724 Res.push_back("-fthread-sanitizer"); 725 if (Opts.WritableStrings) 726 Res.push_back("-fwritable-strings"); 727 if (Opts.ConstStrings) 728 Res.push_back("-fconst-strings"); 729 if (!Opts.LaxVectorConversions) 730 Res.push_back("-fno-lax-vector-conversions"); 731 if (Opts.AltiVec) 732 Res.push_back("-faltivec"); 733 if (Opts.Exceptions) 734 Res.push_back("-fexceptions"); 735 if (Opts.ObjCExceptions) 736 Res.push_back("-fobjc-exceptions"); 737 if (Opts.CXXExceptions) 738 Res.push_back("-fcxx-exceptions"); 739 if (Opts.SjLjExceptions) 740 Res.push_back("-fsjlj-exceptions"); 741 if (Opts.TraditionalCPP) 742 Res.push_back("-traditional-cpp"); 743 if (!Opts.RTTI) 744 Res.push_back("-fno-rtti"); 745 if (Opts.MSBitfields) 746 Res.push_back("-mms-bitfields"); 747 if (Opts.Freestanding) 748 Res.push_back("-ffreestanding"); 749 if (Opts.NoBuiltin) 750 Res.push_back("-fno-builtin"); 751 if (!Opts.AssumeSaneOperatorNew) 752 Res.push_back("-fno-assume-sane-operator-new"); 753 if (!Opts.ThreadsafeStatics) 754 Res.push_back("-fno-threadsafe-statics"); 755 if (Opts.POSIXThreads) 756 Res.push_back("-pthread"); 757 if (Opts.Blocks) 758 Res.push_back("-fblocks"); 759 if (Opts.BlocksRuntimeOptional) 760 Res.push_back("-fblocks-runtime-optional"); 761 if (Opts.Modules) 762 Res.push_back("-fmodules"); 763 if (Opts.EmitAllDecls) 764 Res.push_back("-femit-all-decls"); 765 if (Opts.MathErrno) 766 Res.push_back("-fmath-errno"); 767 switch (Opts.getSignedOverflowBehavior()) { 768 case LangOptions::SOB_Undefined: break; 769 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 770 case LangOptions::SOB_Trapping: 771 Res.push_back("-ftrapv"); 772 if (!Opts.OverflowHandler.empty()) 773 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 774 break; 775 } 776 switch (Opts.getFPContractMode()) { 777 case LangOptions::FPC_Off: Res.push_back("-ffp-contract=off"); break; 778 case LangOptions::FPC_On: Res.push_back("-ffp-contract=on"); break; 779 case LangOptions::FPC_Fast: Res.push_back("-ffp-contract=fast"); break; 780 } 781 if (Opts.HeinousExtensions) 782 Res.push_back("-fheinous-gnu-extensions"); 783 // Optimize is implicit. 784 // OptimizeSize is implicit. 785 if (Opts.FastMath) 786 Res.push_back("-ffast-math"); 787 if (Opts.Static) 788 Res.push_back("-static-define"); 789 if (Opts.DumpRecordLayoutsSimple) 790 Res.push_back("-fdump-record-layouts-simple"); 791 else if (Opts.DumpRecordLayouts) 792 Res.push_back("-fdump-record-layouts"); 793 if (Opts.DumpVTableLayouts) 794 Res.push_back("-fdump-vtable-layouts"); 795 if (Opts.NoBitFieldTypeAlign) 796 Res.push_back("-fno-bitfield-type-alignment"); 797 if (Opts.PICLevel) 798 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 799 if (Opts.PIELevel) 800 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 801 if (Opts.ObjCGCBitmapPrint) 802 Res.push_back("-print-ivar-layout"); 803 if (Opts.NoConstantCFStrings) 804 Res.push_back("-fno-constant-cfstrings"); 805 if (!Opts.AccessControl) 806 Res.push_back("-fno-access-control"); 807 if (!Opts.CharIsSigned) 808 Res.push_back("-fno-signed-char"); 809 if (Opts.CPlusPlus && !Opts.WChar) 810 Res.push_back("-fno-wchar"); 811 if (Opts.ShortWChar) 812 Res.push_back("-fshort-wchar"); 813 if (!Opts.ElideConstructors) 814 Res.push_back("-fno-elide-constructors"); 815 if (Opts.getGC() != LangOptions::NonGC) { 816 if (Opts.getGC() == LangOptions::HybridGC) { 817 Res.push_back("-fobjc-gc"); 818 } else { 819 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 820 Res.push_back("-fobjc-gc-only"); 821 } 822 } 823 Res.push_back("-fobjc-runtime=" + Opts.ObjCRuntime.getAsString()); 824 if (Opts.ObjCAutoRefCount) 825 Res.push_back("-fobjc-arc"); 826 if (Opts.ObjCARCWeak) 827 Res.push_back("-fobjc-runtime-has-weak"); 828 if (!Opts.ObjCInferRelatedResultType) 829 Res.push_back("-fno-objc-infer-related-result-type"); 830 831 if (Opts.AppleKext) 832 Res.push_back("-fapple-kext"); 833 834 if (Opts.getVisibilityMode() != DefaultVisibility) { 835 Res.push_back("-fvisibility"); 836 if (Opts.getVisibilityMode() == HiddenVisibility) { 837 Res.push_back("hidden"); 838 } else { 839 assert(Opts.getVisibilityMode() == ProtectedVisibility && 840 "Invalid visibility!"); 841 Res.push_back("protected"); 842 } 843 } 844 if (Opts.InlineVisibilityHidden) 845 Res.push_back("-fvisibility-inlines-hidden"); 846 847 if (Opts.getStackProtector() != 0) 848 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 849 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 850 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 851 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 852 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 853 if (!Opts.ObjCConstantStringClass.empty()) 854 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 855 if (Opts.FakeAddressSpaceMap) 856 Res.push_back("-ffake-address-space-map"); 857 if (Opts.ParseUnknownAnytype) 858 Res.push_back("-funknown-anytype"); 859 if (Opts.DebuggerSupport) 860 Res.push_back("-fdebugger-support"); 861 if (Opts.DebuggerCastResultToId) 862 Res.push_back("-fdebugger-cast-result-to-id"); 863 if (Opts.DebuggerObjCLiteral) 864 Res.push_back("-fdebugger-objc-literal"); 865 if (Opts.DelayedTemplateParsing) 866 Res.push_back("-fdelayed-template-parsing"); 867 if (Opts.Deprecated) 868 Res.push_back("-fdeprecated-macro"); 869 if (Opts.ApplePragmaPack) 870 Res.push_back("-fapple-pragma-pack"); 871 if (!Opts.CurrentModule.empty()) 872 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 873 if (Opts.OpenMP) 874 Res.push_back("-fopenmp"); 875 } 876 877 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 878 ToArgsList &Res) { 879 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 880 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 881 Opts.Macros[i].first); 882 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 883 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 884 Res.push_back("-include", Opts.Includes[i]); 885 } 886 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 887 Res.push_back("-imacros", Opts.MacroIncludes[i]); 888 if (!Opts.UsePredefines) 889 Res.push_back("-undef"); 890 if (Opts.DetailedRecord) 891 Res.push_back("-detailed-preprocessing-record"); 892 if (!Opts.ImplicitPCHInclude.empty()) 893 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 894 if (!Opts.ImplicitPTHInclude.empty()) 895 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 896 if (!Opts.TokenCache.empty()) { 897 if (Opts.ImplicitPTHInclude.empty()) 898 Res.push_back("-token-cache", Opts.TokenCache); 899 else 900 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 901 "Unsupported option combination!"); 902 } 903 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 904 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 905 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 906 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 907 Opts.RemappedFiles[i].second); 908 } 909 } 910 911 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 912 ToArgsList &Res) { 913 if (!Opts.ShowCPP && !Opts.ShowMacros) 914 llvm::report_fatal_error("Invalid option combination!"); 915 916 if (Opts.ShowCPP && Opts.ShowMacros) 917 Res.push_back("-dD"); 918 else if (!Opts.ShowCPP && Opts.ShowMacros) 919 Res.push_back("-dM"); 920 921 if (!Opts.ShowLineMarkers) 922 Res.push_back("-P"); 923 if (Opts.ShowComments) 924 Res.push_back("-C"); 925 if (Opts.ShowMacroComments) 926 Res.push_back("-CC"); 927 } 928 929 static void TargetOptsToArgs(const TargetOptions &Opts, 930 ToArgsList &Res) { 931 Res.push_back("-triple"); 932 Res.push_back(Opts.Triple); 933 if (!Opts.CPU.empty()) 934 Res.push_back("-target-cpu", Opts.CPU); 935 if (!Opts.ABI.empty()) 936 Res.push_back("-target-abi", Opts.ABI); 937 if (!Opts.LinkerVersion.empty()) 938 Res.push_back("-target-linker-version", Opts.LinkerVersion); 939 if (!Opts.CXXABI.empty()) 940 Res.push_back("-cxx-abi", Opts.CXXABI); 941 for (unsigned i = 0, e = Opts.FeaturesAsWritten.size(); i != e; ++i) 942 Res.push_back("-target-feature", Opts.FeaturesAsWritten[i]); 943 } 944 945 void CompilerInvocation::toArgs(std::vector<std::string> &Res) const { 946 ToArgsList List(Res); 947 AnalyzerOptsToArgs(*getAnalyzerOpts(), List); 948 CodeGenOptsToArgs(getCodeGenOpts(), List); 949 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 950 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 951 FileSystemOptsToArgs(getFileSystemOpts(), List); 952 FrontendOptsToArgs(getFrontendOpts(), List); 953 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 954 LangOptsToArgs(*getLangOpts(), List); 955 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 956 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 957 TargetOptsToArgs(getTargetOpts(), List); 958 } 959 960 //===----------------------------------------------------------------------===// 961 // Deserialization (to args) 962 //===----------------------------------------------------------------------===// 963 964 using namespace clang::driver; 965 using namespace clang::driver::options; 966 967 // 968 969 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 970 DiagnosticsEngine &Diags) { 971 unsigned DefaultOpt = 0; 972 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 973 DefaultOpt = 2; 974 975 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 976 if (A->getOption().matches(options::OPT_O0)) 977 return 0; 978 979 assert (A->getOption().matches(options::OPT_O)); 980 981 llvm::StringRef S(A->getValue(Args)); 982 if (S == "s" || S == "z" || S.empty()) 983 return 2; 984 985 return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 986 } 987 988 return DefaultOpt; 989 } 990 991 static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, 992 DiagnosticsEngine &Diags) { 993 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 994 if (A->getOption().matches(options::OPT_O)) { 995 switch (A->getValue(Args)[0]) { 996 default: 997 return 0; 998 case 's': 999 return 1; 1000 case 'z': 1001 return 2; 1002 } 1003 } 1004 } 1005 return 0; 1006 } 1007 1008 static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { 1009 for (arg_iterator I = Args.filtered_begin(OPT_W_Group), 1010 E = Args.filtered_end(); I != E; ++I) { 1011 Arg *A = *I; 1012 // If the argument is a pure flag, add its name (minus the "W" at the beginning) 1013 // to the warning list. Else, add its value (for the OPT_W case). 1014 if (A->getOption().getKind() == Option::FlagClass) { 1015 Warnings.push_back(A->getOption().getName().substr(1)); 1016 } else { 1017 for (unsigned Idx = 0, End = A->getNumValues(); 1018 Idx < End; ++Idx) { 1019 StringRef V = A->getValue(Args, Idx); 1020 // "-Wl," and such are not warning options. 1021 // FIXME: Should be handled by putting these in separate flags. 1022 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1023 continue; 1024 1025 Warnings.push_back(V); 1026 } 1027 } 1028 } 1029 } 1030 1031 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 1032 DiagnosticsEngine &Diags) { 1033 using namespace options; 1034 bool Success = true; 1035 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 1036 StringRef Name = A->getValue(Args); 1037 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 1038 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 1039 .Case(CMDFLAG, NAME##Model) 1040 #include "clang/StaticAnalyzer/Core/Analyses.def" 1041 .Default(NumStores); 1042 if (Value == NumStores) { 1043 Diags.Report(diag::err_drv_invalid_value) 1044 << A->getAsString(Args) << Name; 1045 Success = false; 1046 } else { 1047 Opts.AnalysisStoreOpt = Value; 1048 } 1049 } 1050 1051 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 1052 StringRef Name = A->getValue(Args); 1053 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 1054 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 1055 .Case(CMDFLAG, NAME##Model) 1056 #include "clang/StaticAnalyzer/Core/Analyses.def" 1057 .Default(NumConstraints); 1058 if (Value == NumConstraints) { 1059 Diags.Report(diag::err_drv_invalid_value) 1060 << A->getAsString(Args) << Name; 1061 Success = false; 1062 } else { 1063 Opts.AnalysisConstraintsOpt = Value; 1064 } 1065 } 1066 1067 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1068 StringRef Name = A->getValue(Args); 1069 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1070 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1071 .Case(CMDFLAG, PD_##NAME) 1072 #include "clang/StaticAnalyzer/Core/Analyses.def" 1073 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1074 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1075 Diags.Report(diag::err_drv_invalid_value) 1076 << A->getAsString(Args) << Name; 1077 Success = false; 1078 } else { 1079 Opts.AnalysisDiagOpt = Value; 1080 } 1081 } 1082 1083 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1084 StringRef Name = A->getValue(Args); 1085 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1086 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1087 .Case(CMDFLAG, NAME) 1088 #include "clang/StaticAnalyzer/Core/Analyses.def" 1089 .Default(NumPurgeModes); 1090 if (Value == NumPurgeModes) { 1091 Diags.Report(diag::err_drv_invalid_value) 1092 << A->getAsString(Args) << Name; 1093 Success = false; 1094 } else { 1095 Opts.AnalysisPurgeOpt = Value; 1096 } 1097 } 1098 1099 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 1100 StringRef Name = A->getValue(Args); 1101 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 1102 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 1103 .Case(CMDFLAG, NAME) 1104 #include "clang/StaticAnalyzer/Core/Analyses.def" 1105 .Default(NumIPAModes); 1106 if (Value == NumIPAModes) { 1107 Diags.Report(diag::err_drv_invalid_value) 1108 << A->getAsString(Args) << Name; 1109 Success = false; 1110 } else { 1111 Opts.IPAMode = Value; 1112 } 1113 } 1114 1115 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1116 StringRef Name = A->getValue(Args); 1117 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1118 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1119 .Case(CMDFLAG, NAME) 1120 #include "clang/StaticAnalyzer/Core/Analyses.def" 1121 .Default(NumInliningModes); 1122 if (Value == NumInliningModes) { 1123 Diags.Report(diag::err_drv_invalid_value) 1124 << A->getAsString(Args) << Name; 1125 Success = false; 1126 } else { 1127 Opts.InliningMode = Value; 1128 } 1129 } 1130 1131 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1132 Opts.visualizeExplodedGraphWithGraphViz = 1133 Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1134 Opts.visualizeExplodedGraphWithUbiGraph = 1135 Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1136 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1137 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1138 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1139 Opts.AnalyzeNestedBlocks = 1140 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1141 Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume); 1142 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1143 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1144 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1145 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1146 Opts.maxBlockVisitOnPath = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1147 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1148 Opts.InlineMaxStackDepth = 1149 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1150 Opts.InlineMaxStackDepth, Diags); 1151 Opts.InlineMaxFunctionSize = 1152 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1153 Opts.InlineMaxFunctionSize, Diags); 1154 1155 Opts.CheckersControlList.clear(); 1156 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1157 OPT_analyzer_disable_checker), 1158 ie = Args.filtered_end(); it != ie; ++it) { 1159 const Arg *A = *it; 1160 A->claim(); 1161 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1162 // We can have a list of comma separated checker names, e.g: 1163 // '-analyzer-checker=cocoa,unix' 1164 StringRef checkerList = A->getValue(Args); 1165 SmallVector<StringRef, 4> checkers; 1166 checkerList.split(checkers, ","); 1167 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1168 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1169 } 1170 1171 // Go through the analyzer configuration options. 1172 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config), 1173 ie = Args.filtered_end(); it != ie; ++it) { 1174 const Arg *A = *it; 1175 A->claim(); 1176 // We can have a list of comma separated config names, e.g: 1177 // '-analyzer-config key1=val1,key2=val2' 1178 StringRef configList = A->getValue(Args); 1179 SmallVector<StringRef, 4> configVals; 1180 configList.split(configVals, ","); 1181 for (unsigned i = 0, e = configVals.size(); i != e; ++i) { 1182 StringRef key, val; 1183 llvm::tie(key, val) = configVals[i].split("="); 1184 if (val.empty()) { 1185 Diags.Report(SourceLocation(), 1186 diag::err_analyzer_config_no_value) << configVals[i]; 1187 Success = false; 1188 break; 1189 } 1190 if (val.find('=') != StringRef::npos) { 1191 Diags.Report(SourceLocation(), 1192 diag::err_analyzer_config_multiple_values) 1193 << configVals[i]; 1194 Success = false; 1195 break; 1196 } 1197 Opts.Config[key] = val; 1198 } 1199 } 1200 1201 return Success; 1202 } 1203 1204 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1205 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1206 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1207 return true; 1208 } 1209 1210 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1211 DiagnosticsEngine &Diags) { 1212 using namespace options; 1213 bool Success = true; 1214 1215 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1216 if (OptLevel > 3) { 1217 Diags.Report(diag::err_drv_invalid_value) 1218 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1219 OptLevel = 3; 1220 Success = false; 1221 } 1222 Opts.OptimizationLevel = OptLevel; 1223 1224 // We must always run at least the always inlining pass. 1225 Opts.setInlining( 1226 (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1227 : CodeGenOptions::OnlyAlwaysInlining); 1228 // -fno-inline-functions overrides OptimizationLevel > 1. 1229 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1230 Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ? 1231 CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining()); 1232 1233 if (Args.hasArg(OPT_gline_tables_only)) { 1234 Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly); 1235 } else if (Args.hasArg(OPT_g_Flag)) { 1236 if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) 1237 Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo); 1238 else 1239 Opts.setDebugInfo(CodeGenOptions::FullDebugInfo); 1240 } 1241 Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info); 1242 1243 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1244 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1245 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1246 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1247 OPT_fuse_register_sized_bitfield_access); 1248 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1249 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1250 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1251 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1252 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1253 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1254 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1255 Args.hasArg(OPT_ffreestanding)); 1256 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1257 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1258 1259 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1260 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1261 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1262 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1263 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1264 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1265 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1266 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1267 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1268 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1269 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1270 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1271 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1272 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1273 Args.hasArg(OPT_cl_finite_math_only)|| 1274 Args.hasArg(OPT_cl_fast_relaxed_math)); 1275 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1276 Args.hasArg(OPT_cl_finite_math_only)|| 1277 Args.hasArg(OPT_cl_fast_relaxed_math)); 1278 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1279 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1280 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1281 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1282 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1283 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1284 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1285 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1286 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1287 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1288 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1289 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1290 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1291 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1292 Args.hasArg(OPT_cl_fast_relaxed_math); 1293 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1294 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1295 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1296 Opts.BoundsChecking = Args.getLastArgIntValue(OPT_fbounds_checking_EQ, 0, 1297 Diags); 1298 Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array); 1299 1300 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1301 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1302 1303 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1304 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1305 1306 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1307 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1308 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1309 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1310 Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info); 1311 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1312 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1313 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1314 Opts.SSPBufferSize = 1315 Args.getLastArgIntValue(OPT_stack_protector_buffer_size, 8, Diags); 1316 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1317 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1318 StringRef Val = A->getValue(Args); 1319 unsigned StackAlignment = Opts.StackAlignment; 1320 Val.getAsInteger(10, StackAlignment); 1321 Opts.StackAlignment = StackAlignment; 1322 } 1323 1324 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1325 StringRef Name = A->getValue(Args); 1326 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1327 .Case("legacy", CodeGenOptions::Legacy) 1328 .Case("non-legacy", CodeGenOptions::NonLegacy) 1329 .Case("mixed", CodeGenOptions::Mixed) 1330 .Default(~0U); 1331 if (Method == ~0U) { 1332 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1333 Success = false; 1334 } else { 1335 Opts.setObjCDispatchMethod( 1336 static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method)); 1337 } 1338 } 1339 1340 if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) { 1341 StringRef Name = A->getValue(Args); 1342 unsigned Model = llvm::StringSwitch<unsigned>(Name) 1343 .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel) 1344 .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel) 1345 .Case("initial-exec", CodeGenOptions::InitialExecTLSModel) 1346 .Case("local-exec", CodeGenOptions::LocalExecTLSModel) 1347 .Default(~0U); 1348 if (Model == ~0U) { 1349 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1350 Success = false; 1351 } else { 1352 Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model)); 1353 } 1354 } 1355 1356 return Success; 1357 } 1358 1359 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1360 ArgList &Args) { 1361 using namespace options; 1362 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1363 Opts.Targets = Args.getAllArgValues(OPT_MT); 1364 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1365 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1366 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1367 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1368 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1369 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1370 } 1371 1372 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1373 DiagnosticsEngine *Diags) { 1374 using namespace options; 1375 bool Success = true; 1376 1377 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1378 Opts.DiagnosticSerializationFile = 1379 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1380 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1381 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1382 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1383 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1384 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1385 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1386 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1387 OPT_fno_show_column, 1388 /*Default=*/true); 1389 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1390 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1391 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1392 1393 // Default behavior is to not to show note include stacks. 1394 Opts.ShowNoteIncludeStack = false; 1395 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1396 OPT_fno_diagnostics_show_note_include_stack)) 1397 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1398 Opts.ShowNoteIncludeStack = true; 1399 1400 StringRef ShowOverloads = 1401 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1402 if (ShowOverloads == "best") 1403 Opts.setShowOverloads(Ovl_Best); 1404 else if (ShowOverloads == "all") 1405 Opts.setShowOverloads(Ovl_All); 1406 else { 1407 Success = false; 1408 if (Diags) 1409 Diags->Report(diag::err_drv_invalid_value) 1410 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1411 << ShowOverloads; 1412 } 1413 1414 StringRef ShowCategory = 1415 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1416 if (ShowCategory == "none") 1417 Opts.ShowCategories = 0; 1418 else if (ShowCategory == "id") 1419 Opts.ShowCategories = 1; 1420 else if (ShowCategory == "name") 1421 Opts.ShowCategories = 2; 1422 else { 1423 Success = false; 1424 if (Diags) 1425 Diags->Report(diag::err_drv_invalid_value) 1426 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1427 << ShowCategory; 1428 } 1429 1430 StringRef Format = 1431 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1432 if (Format == "clang") 1433 Opts.setFormat(DiagnosticOptions::Clang); 1434 else if (Format == "msvc") 1435 Opts.setFormat(DiagnosticOptions::Msvc); 1436 else if (Format == "vi") 1437 Opts.setFormat(DiagnosticOptions::Vi); 1438 else { 1439 Success = false; 1440 if (Diags) 1441 Diags->Report(diag::err_drv_invalid_value) 1442 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1443 << Format; 1444 } 1445 1446 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1447 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1448 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1449 Opts.ElideType = !Args.hasArg(OPT_fno_elide_type); 1450 Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree); 1451 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1452 Opts.MacroBacktraceLimit 1453 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1454 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1455 Opts.TemplateBacktraceLimit 1456 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1457 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1458 Diags); 1459 Opts.ConstexprBacktraceLimit 1460 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1461 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1462 Diags); 1463 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1464 DiagnosticOptions::DefaultTabStop, Diags); 1465 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1466 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1467 if (Diags) 1468 Diags->Report(diag::warn_ignoring_ftabstop_value) 1469 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1470 } 1471 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1472 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1473 addWarningArgs(Args, Opts.Warnings); 1474 1475 return Success; 1476 } 1477 1478 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1479 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1480 } 1481 1482 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1483 DiagnosticsEngine &Diags) { 1484 using namespace options; 1485 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1486 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1487 switch (A->getOption().getID()) { 1488 default: 1489 llvm_unreachable("Invalid option in group!"); 1490 case OPT_ast_list: 1491 Opts.ProgramAction = frontend::ASTDeclList; break; 1492 case OPT_ast_dump: 1493 Opts.ProgramAction = frontend::ASTDump; break; 1494 case OPT_ast_dump_xml: 1495 Opts.ProgramAction = frontend::ASTDumpXML; break; 1496 case OPT_ast_print: 1497 Opts.ProgramAction = frontend::ASTPrint; break; 1498 case OPT_ast_view: 1499 Opts.ProgramAction = frontend::ASTView; break; 1500 case OPT_dump_raw_tokens: 1501 Opts.ProgramAction = frontend::DumpRawTokens; break; 1502 case OPT_dump_tokens: 1503 Opts.ProgramAction = frontend::DumpTokens; break; 1504 case OPT_S: 1505 Opts.ProgramAction = frontend::EmitAssembly; break; 1506 case OPT_emit_llvm_bc: 1507 Opts.ProgramAction = frontend::EmitBC; break; 1508 case OPT_emit_html: 1509 Opts.ProgramAction = frontend::EmitHTML; break; 1510 case OPT_emit_llvm: 1511 Opts.ProgramAction = frontend::EmitLLVM; break; 1512 case OPT_emit_llvm_only: 1513 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1514 case OPT_emit_codegen_only: 1515 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1516 case OPT_emit_obj: 1517 Opts.ProgramAction = frontend::EmitObj; break; 1518 case OPT_fixit_EQ: 1519 Opts.FixItSuffix = A->getValue(Args); 1520 // fall-through! 1521 case OPT_fixit: 1522 Opts.ProgramAction = frontend::FixIt; break; 1523 case OPT_emit_module: 1524 Opts.ProgramAction = frontend::GenerateModule; break; 1525 case OPT_emit_pch: 1526 Opts.ProgramAction = frontend::GeneratePCH; break; 1527 case OPT_emit_pth: 1528 Opts.ProgramAction = frontend::GeneratePTH; break; 1529 case OPT_init_only: 1530 Opts.ProgramAction = frontend::InitOnly; break; 1531 case OPT_fsyntax_only: 1532 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1533 case OPT_print_decl_contexts: 1534 Opts.ProgramAction = frontend::PrintDeclContext; break; 1535 case OPT_print_preamble: 1536 Opts.ProgramAction = frontend::PrintPreamble; break; 1537 case OPT_E: 1538 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1539 case OPT_rewrite_macros: 1540 Opts.ProgramAction = frontend::RewriteMacros; break; 1541 case OPT_rewrite_objc: 1542 Opts.ProgramAction = frontend::RewriteObjC; break; 1543 case OPT_rewrite_test: 1544 Opts.ProgramAction = frontend::RewriteTest; break; 1545 case OPT_analyze: 1546 Opts.ProgramAction = frontend::RunAnalysis; break; 1547 case OPT_migrate: 1548 Opts.ProgramAction = frontend::MigrateSource; break; 1549 case OPT_Eonly: 1550 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1551 } 1552 } 1553 1554 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1555 Opts.Plugins.push_back(A->getValue(Args,0)); 1556 Opts.ProgramAction = frontend::PluginAction; 1557 Opts.ActionName = A->getValue(Args); 1558 1559 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1560 end = Args.filtered_end(); it != end; ++it) { 1561 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1562 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1563 } 1564 } 1565 1566 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1567 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1568 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1569 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1570 end = Args.filtered_end(); it != end; ++it) { 1571 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1572 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1573 } 1574 } 1575 1576 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1577 Opts.CodeCompletionAt = 1578 ParsedSourceLocation::FromString(A->getValue(Args)); 1579 if (Opts.CodeCompletionAt.FileName.empty()) 1580 Diags.Report(diag::err_drv_invalid_value) 1581 << A->getAsString(Args) << A->getValue(Args); 1582 } 1583 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1584 1585 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1586 Opts.Plugins = Args.getAllArgValues(OPT_load); 1587 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1588 Opts.ShowHelp = Args.hasArg(OPT_help); 1589 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1590 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1591 Opts.ShowVersion = Args.hasArg(OPT_version); 1592 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1593 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1594 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1595 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1596 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1597 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1598 Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter); 1599 1600 Opts.CodeCompleteOpts.IncludeMacros 1601 = Args.hasArg(OPT_code_completion_macros); 1602 Opts.CodeCompleteOpts.IncludeCodePatterns 1603 = Args.hasArg(OPT_code_completion_patterns); 1604 Opts.CodeCompleteOpts.IncludeGlobals 1605 = !Args.hasArg(OPT_no_code_completion_globals); 1606 Opts.CodeCompleteOpts.IncludeBriefComments 1607 = Args.hasArg(OPT_code_completion_brief_comments); 1608 1609 Opts.OverrideRecordLayoutsFile 1610 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1611 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1612 OPT_arcmt_modify, 1613 OPT_arcmt_migrate)) { 1614 switch (A->getOption().getID()) { 1615 default: 1616 llvm_unreachable("missed a case"); 1617 case OPT_arcmt_check: 1618 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1619 break; 1620 case OPT_arcmt_modify: 1621 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1622 break; 1623 case OPT_arcmt_migrate: 1624 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1625 break; 1626 } 1627 } 1628 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1629 Opts.ARCMTMigrateReportOut 1630 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1631 Opts.ARCMTMigrateEmitARCErrors 1632 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1633 1634 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1635 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1636 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1637 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1638 1639 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1640 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1641 Diags.Report(diag::err_drv_argument_not_allowed_with) 1642 << "ARC migration" << "ObjC migration"; 1643 } 1644 1645 InputKind DashX = IK_None; 1646 if (const Arg *A = Args.getLastArg(OPT_x)) { 1647 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1648 .Case("c", IK_C) 1649 .Case("cl", IK_OpenCL) 1650 .Case("cuda", IK_CUDA) 1651 .Case("c++", IK_CXX) 1652 .Case("objective-c", IK_ObjC) 1653 .Case("objective-c++", IK_ObjCXX) 1654 .Case("cpp-output", IK_PreprocessedC) 1655 .Case("assembler-with-cpp", IK_Asm) 1656 .Case("c++-cpp-output", IK_PreprocessedCXX) 1657 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1658 .Case("objc-cpp-output", IK_PreprocessedObjC) 1659 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1660 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1661 .Case("c-header", IK_C) 1662 .Case("cl-header", IK_OpenCL) 1663 .Case("objective-c-header", IK_ObjC) 1664 .Case("c++-header", IK_CXX) 1665 .Case("objective-c++-header", IK_ObjCXX) 1666 .Case("ast", IK_AST) 1667 .Case("ir", IK_LLVM_IR) 1668 .Default(IK_None); 1669 if (DashX == IK_None) 1670 Diags.Report(diag::err_drv_invalid_value) 1671 << A->getAsString(Args) << A->getValue(Args); 1672 } 1673 1674 // '-' is the default input if none is given. 1675 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1676 Opts.Inputs.clear(); 1677 if (Inputs.empty()) 1678 Inputs.push_back("-"); 1679 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1680 InputKind IK = DashX; 1681 if (IK == IK_None) { 1682 IK = FrontendOptions::getInputKindForExtension( 1683 StringRef(Inputs[i]).rsplit('.').second); 1684 // FIXME: Remove this hack. 1685 if (i == 0) 1686 DashX = IK; 1687 } 1688 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1689 } 1690 1691 return DashX; 1692 } 1693 1694 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1695 void *MainAddr) { 1696 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1697 1698 if (!P.isEmpty()) { 1699 P.eraseComponent(); // Remove /clang from foo/bin/clang 1700 P.eraseComponent(); // Remove /bin from foo/bin 1701 1702 // Get foo/lib/clang/<version>/include 1703 P.appendComponent("lib"); 1704 P.appendComponent("clang"); 1705 P.appendComponent(CLANG_VERSION_STRING); 1706 } 1707 1708 return P.str(); 1709 } 1710 1711 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1712 using namespace options; 1713 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1714 Opts.Verbose = Args.hasArg(OPT_v); 1715 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1716 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1717 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1718 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1719 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1720 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1721 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1722 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1723 1724 // Add -I..., -F..., and -index-header-map options in order. 1725 bool IsIndexHeaderMap = false; 1726 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1727 OPT_index_header_map), 1728 ie = Args.filtered_end(); it != ie; ++it) { 1729 if ((*it)->getOption().matches(OPT_index_header_map)) { 1730 // -index-header-map applies to the next -I or -F. 1731 IsIndexHeaderMap = true; 1732 continue; 1733 } 1734 1735 frontend::IncludeDirGroup Group 1736 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1737 1738 Opts.AddPath((*it)->getValue(Args), Group, true, 1739 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1740 IsIndexHeaderMap = false; 1741 } 1742 1743 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1744 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1745 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1746 OPT_iwithprefixbefore), 1747 ie = Args.filtered_end(); it != ie; ++it) { 1748 const Arg *A = *it; 1749 if (A->getOption().matches(OPT_iprefix)) 1750 Prefix = A->getValue(Args); 1751 else if (A->getOption().matches(OPT_iwithprefix)) 1752 Opts.AddPath(Prefix.str() + A->getValue(Args), 1753 frontend::System, false, false, false); 1754 else 1755 Opts.AddPath(Prefix.str() + A->getValue(Args), 1756 frontend::Angled, false, false, false); 1757 } 1758 1759 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1760 ie = Args.filtered_end(); it != ie; ++it) 1761 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1762 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1763 ie = Args.filtered_end(); it != ie; ++it) 1764 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1765 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1766 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1767 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1768 !(*it)->getOption().matches(OPT_iwithsysroot)); 1769 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1770 ie = Args.filtered_end(); it != ie; ++it) 1771 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1772 true); 1773 1774 // Add the paths for the various language specific isystem flags. 1775 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1776 ie = Args.filtered_end(); it != ie; ++it) 1777 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1778 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1779 ie = Args.filtered_end(); it != ie; ++it) 1780 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1781 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1782 ie = Args.filtered_end(); it != ie; ++it) 1783 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1784 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1785 ie = Args.filtered_end(); it != ie; ++it) 1786 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1787 true); 1788 1789 // Add the internal paths from a driver that detects standard include paths. 1790 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1791 OPT_internal_externc_isystem), 1792 E = Args.filtered_end(); 1793 I != E; ++I) 1794 Opts.AddPath((*I)->getValue(Args), frontend::System, 1795 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1796 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1797 1798 // Add the path prefixes which are implicitly treated as being system headers. 1799 for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix, 1800 OPT_ino_system_prefix), 1801 E = Args.filtered_end(); 1802 I != E; ++I) 1803 Opts.AddSystemHeaderPrefix((*I)->getValue(Args), 1804 (*I)->getOption().matches(OPT_isystem_prefix)); 1805 } 1806 1807 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1808 LangStandard::Kind LangStd) { 1809 // Set some properties which depend solely on the input kind; it would be nice 1810 // to move these to the language standard, and have the driver resolve the 1811 // input kind + language standard. 1812 if (IK == IK_Asm) { 1813 Opts.AsmPreprocessor = 1; 1814 } else if (IK == IK_ObjC || 1815 IK == IK_ObjCXX || 1816 IK == IK_PreprocessedObjC || 1817 IK == IK_PreprocessedObjCXX) { 1818 Opts.ObjC1 = Opts.ObjC2 = 1; 1819 } 1820 1821 if (LangStd == LangStandard::lang_unspecified) { 1822 // Based on the base language, pick one. 1823 switch (IK) { 1824 case IK_None: 1825 case IK_AST: 1826 case IK_LLVM_IR: 1827 llvm_unreachable("Invalid input kind!"); 1828 case IK_OpenCL: 1829 LangStd = LangStandard::lang_opencl; 1830 break; 1831 case IK_CUDA: 1832 LangStd = LangStandard::lang_cuda; 1833 break; 1834 case IK_Asm: 1835 case IK_C: 1836 case IK_PreprocessedC: 1837 case IK_ObjC: 1838 case IK_PreprocessedObjC: 1839 LangStd = LangStandard::lang_gnu99; 1840 break; 1841 case IK_CXX: 1842 case IK_PreprocessedCXX: 1843 case IK_ObjCXX: 1844 case IK_PreprocessedObjCXX: 1845 LangStd = LangStandard::lang_gnucxx98; 1846 break; 1847 } 1848 } 1849 1850 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1851 Opts.BCPLComment = Std.hasBCPLComments(); 1852 Opts.C99 = Std.isC99(); 1853 Opts.C11 = Std.isC11(); 1854 Opts.CPlusPlus = Std.isCPlusPlus(); 1855 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1856 Opts.CPlusPlus1y = Std.isCPlusPlus1y(); 1857 Opts.Digraphs = Std.hasDigraphs(); 1858 Opts.GNUMode = Std.isGNUMode(); 1859 Opts.GNUInline = !Std.isC99(); 1860 Opts.HexFloats = Std.hasHexFloats(); 1861 Opts.ImplicitInt = Std.hasImplicitInt(); 1862 1863 // Set OpenCL Version. 1864 if (LangStd == LangStandard::lang_opencl) { 1865 Opts.OpenCL = 1; 1866 Opts.OpenCLVersion = 100; 1867 } 1868 else if (LangStd == LangStandard::lang_opencl11) { 1869 Opts.OpenCL = 1; 1870 Opts.OpenCLVersion = 110; 1871 } 1872 else if (LangStd == LangStandard::lang_opencl12) { 1873 Opts.OpenCL = 1; 1874 Opts.OpenCLVersion = 120; 1875 } 1876 1877 // OpenCL has some additional defaults. 1878 if (Opts.OpenCL) { 1879 Opts.AltiVec = 0; 1880 Opts.CXXOperatorNames = 1; 1881 Opts.LaxVectorConversions = 0; 1882 Opts.DefaultFPContract = 1; 1883 } 1884 1885 if (LangStd == LangStandard::lang_cuda) 1886 Opts.CUDA = 1; 1887 1888 // OpenCL and C++ both have bool, true, false keywords. 1889 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1890 1891 // C++ has wchar_t keyword. 1892 Opts.WChar = Opts.CPlusPlus; 1893 1894 Opts.GNUKeywords = Opts.GNUMode; 1895 Opts.CXXOperatorNames = Opts.CPlusPlus; 1896 1897 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1898 // is specified, or -std is set to a conforming mode. 1899 Opts.Trigraphs = !Opts.GNUMode; 1900 1901 Opts.DollarIdents = !Opts.AsmPreprocessor; 1902 } 1903 1904 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1905 DiagnosticsEngine &Diags) { 1906 // FIXME: Cleanup per-file based stuff. 1907 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1908 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1909 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1910 #define LANGSTANDARD(id, name, desc, features) \ 1911 .Case(name, LangStandard::lang_##id) 1912 #include "clang/Frontend/LangStandards.def" 1913 .Default(LangStandard::lang_unspecified); 1914 if (LangStd == LangStandard::lang_unspecified) 1915 Diags.Report(diag::err_drv_invalid_value) 1916 << A->getAsString(Args) << A->getValue(Args); 1917 else { 1918 // Valid standard, check to make sure language and standard are compatable. 1919 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1920 switch (IK) { 1921 case IK_C: 1922 case IK_ObjC: 1923 case IK_PreprocessedC: 1924 case IK_PreprocessedObjC: 1925 if (!(Std.isC89() || Std.isC99())) 1926 Diags.Report(diag::err_drv_argument_not_allowed_with) 1927 << A->getAsString(Args) << "C/ObjC"; 1928 break; 1929 case IK_CXX: 1930 case IK_ObjCXX: 1931 case IK_PreprocessedCXX: 1932 case IK_PreprocessedObjCXX: 1933 if (!Std.isCPlusPlus()) 1934 Diags.Report(diag::err_drv_argument_not_allowed_with) 1935 << A->getAsString(Args) << "C++/ObjC++"; 1936 break; 1937 case IK_OpenCL: 1938 if (!Std.isC99()) 1939 Diags.Report(diag::err_drv_argument_not_allowed_with) 1940 << A->getAsString(Args) << "OpenCL"; 1941 break; 1942 case IK_CUDA: 1943 if (!Std.isCPlusPlus()) 1944 Diags.Report(diag::err_drv_argument_not_allowed_with) 1945 << A->getAsString(Args) << "CUDA"; 1946 break; 1947 default: 1948 break; 1949 } 1950 } 1951 } 1952 1953 // -cl-std only applies for OpenCL language standards. 1954 // Override the -std option in this case. 1955 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1956 LangStandard::Kind OpenCLLangStd 1957 = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1958 .Case("CL", LangStandard::lang_opencl) 1959 .Case("CL1.1", LangStandard::lang_opencl11) 1960 .Case("CL1.2", LangStandard::lang_opencl12) 1961 .Default(LangStandard::lang_unspecified); 1962 1963 if (OpenCLLangStd == LangStandard::lang_unspecified) { 1964 Diags.Report(diag::err_drv_invalid_value) 1965 << A->getAsString(Args) << A->getValue(Args); 1966 } 1967 else 1968 LangStd = OpenCLLangStd; 1969 } 1970 1971 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1972 1973 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1974 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1975 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1976 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1977 // name, as it doesn't seem a useful distinction. 1978 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1979 Opts.GNUKeywords); 1980 1981 if (Args.hasArg(OPT_fno_operator_names)) 1982 Opts.CXXOperatorNames = 0; 1983 1984 if (Opts.ObjC1) { 1985 if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) { 1986 StringRef value = arg->getValue(Args); 1987 if (Opts.ObjCRuntime.tryParse(value)) 1988 Diags.Report(diag::err_drv_unknown_objc_runtime) << value; 1989 } 1990 1991 if (Args.hasArg(OPT_fobjc_gc_only)) 1992 Opts.setGC(LangOptions::GCOnly); 1993 else if (Args.hasArg(OPT_fobjc_gc)) 1994 Opts.setGC(LangOptions::HybridGC); 1995 else if (Args.hasArg(OPT_fobjc_arc)) { 1996 Opts.ObjCAutoRefCount = 1; 1997 if (!Opts.ObjCRuntime.allowsARC()) 1998 Diags.Report(diag::err_arc_unsupported_on_runtime); 1999 2000 // Only set ObjCARCWeak if ARC is enabled. 2001 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 2002 Opts.ObjCARCWeak = 1; 2003 else 2004 Opts.ObjCARCWeak = Opts.ObjCRuntime.allowsWeak(); 2005 } 2006 2007 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 2008 Opts.ObjCInferRelatedResultType = 0; 2009 } 2010 2011 if (Args.hasArg(OPT_fgnu89_inline)) 2012 Opts.GNUInline = 1; 2013 2014 if (Args.hasArg(OPT_fapple_kext)) { 2015 if (!Opts.CPlusPlus) 2016 Diags.Report(diag::warn_c_kext); 2017 else 2018 Opts.AppleKext = 1; 2019 } 2020 2021 if (Args.hasArg(OPT_print_ivar_layout)) 2022 Opts.ObjCGCBitmapPrint = 1; 2023 if (Args.hasArg(OPT_fno_constant_cfstrings)) 2024 Opts.NoConstantCFStrings = 1; 2025 2026 if (Args.hasArg(OPT_faltivec)) 2027 Opts.AltiVec = 1; 2028 2029 if (Args.hasArg(OPT_pthread)) 2030 Opts.POSIXThreads = 1; 2031 2032 if (Args.hasArg(OPT_fdelayed_template_parsing)) 2033 Opts.DelayedTemplateParsing = 1; 2034 2035 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 2036 if (Vis == "default") 2037 Opts.setVisibilityMode(DefaultVisibility); 2038 else if (Vis == "hidden") 2039 Opts.setVisibilityMode(HiddenVisibility); 2040 else if (Vis == "protected") 2041 // FIXME: diagnose if target does not support protected visibility 2042 Opts.setVisibilityMode(ProtectedVisibility); 2043 else 2044 Diags.Report(diag::err_drv_invalid_value) 2045 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 2046 2047 if (Arg *A = Args.getLastArg(OPT_ffp_contract)) { 2048 StringRef Val = A->getValue(Args); 2049 if (Val == "fast") 2050 Opts.setFPContractMode(LangOptions::FPC_Fast); 2051 else if (Val == "on") 2052 Opts.setFPContractMode(LangOptions::FPC_On); 2053 else if (Val == "off") 2054 Opts.setFPContractMode(LangOptions::FPC_Off); 2055 else 2056 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val; 2057 } 2058 2059 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 2060 Opts.InlineVisibilityHidden = 1; 2061 2062 if (Args.hasArg(OPT_ftrapv)) { 2063 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 2064 // Set the handler, if one is specified. 2065 Opts.OverflowHandler = 2066 Args.getLastArgValue(OPT_ftrapv_handler); 2067 } 2068 else if (Args.hasArg(OPT_fwrapv)) 2069 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 2070 2071 if (Args.hasArg(OPT_trigraphs)) 2072 Opts.Trigraphs = 1; 2073 2074 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 2075 OPT_fno_dollars_in_identifiers, 2076 Opts.DollarIdents); 2077 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 2078 Opts.MicrosoftExt 2079 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 2080 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 2081 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 2082 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 2083 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 2084 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 2085 Opts.ConstStrings); 2086 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 2087 Opts.LaxVectorConversions = 0; 2088 if (Args.hasArg(OPT_fno_threadsafe_statics)) 2089 Opts.ThreadsafeStatics = 0; 2090 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 2091 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 2092 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 2093 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 2094 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 2095 2096 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 2097 Opts.Blocks = Args.hasArg(OPT_fblocks); 2098 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 2099 Opts.Modules = Args.hasArg(OPT_fmodules); 2100 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 2101 Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar); 2102 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 2103 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 2104 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 2105 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 2106 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 2107 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 2108 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 2109 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 2110 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 2111 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 512, 2112 Diags); 2113 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 2114 Diags); 2115 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 2116 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, 2117 0, Diags); 2118 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 2119 Opts.ObjCConstantStringClass = 2120 Args.getLastArgValue(OPT_fconstant_string_class); 2121 Opts.ObjCDefaultSynthProperties = 2122 Args.hasArg(OPT_fobjc_default_synthesize_properties); 2123 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 2124 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 2125 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); 2126 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 2127 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 2128 Opts.Static = Args.hasArg(OPT_static_define); 2129 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 2130 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 2131 || Args.hasArg(OPT_fdump_record_layouts); 2132 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 2133 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 2134 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 2135 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 2136 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 2137 Opts.MRTD = Args.hasArg(OPT_mrtd); 2138 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 2139 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 2140 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 2141 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 2142 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 2143 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 2144 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 2145 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 2146 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 2147 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 2148 Opts.OpenMP = Args.hasArg(OPT_fopenmp); 2149 2150 // Record whether the __DEPRECATED define was requested. 2151 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 2152 OPT_fno_deprecated_macro, 2153 Opts.Deprecated); 2154 2155 // FIXME: Eliminate this dependency. 2156 unsigned Opt = getOptimizationLevel(Args, IK, Diags), 2157 OptSize = getOptimizationLevelSize(Args, IK, Diags); 2158 Opts.Optimize = Opt != 0; 2159 Opts.OptimizeSize = OptSize != 0; 2160 2161 // This is the __NO_INLINE__ define, which just depends on things like the 2162 // optimization level and -fno-inline, not actually whether the backend has 2163 // inlining enabled. 2164 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 2165 2166 Opts.FastMath = Args.hasArg(OPT_ffast_math); 2167 Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only); 2168 2169 Opts.EmitMicrosoftInlineAsm = Args.hasArg(OPT_fenable_experimental_ms_inline_asm); 2170 2171 Opts.RetainCommentsFromSystemHeaders = 2172 Args.hasArg(OPT_fretain_comments_from_system_headers); 2173 2174 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 2175 switch (SSP) { 2176 default: 2177 Diags.Report(diag::err_drv_invalid_value) 2178 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 2179 break; 2180 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 2181 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 2182 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 2183 } 2184 } 2185 2186 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 2187 FileManager &FileMgr, 2188 DiagnosticsEngine &Diags) { 2189 using namespace options; 2190 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 2191 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 2192 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 2193 Opts.TokenCache = A->getValue(Args); 2194 else 2195 Opts.TokenCache = Opts.ImplicitPTHInclude; 2196 Opts.UsePredefines = !Args.hasArg(OPT_undef); 2197 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 2198 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 2199 2200 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 2201 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 2202 ie = Args.filtered_end(); it != ie; ++it) { 2203 const Arg *A = *it; 2204 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 2205 } 2206 2207 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 2208 StringRef Value(A->getValue(Args)); 2209 size_t Comma = Value.find(','); 2210 unsigned Bytes = 0; 2211 unsigned EndOfLine = 0; 2212 2213 if (Comma == StringRef::npos || 2214 Value.substr(0, Comma).getAsInteger(10, Bytes) || 2215 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 2216 Diags.Report(diag::err_drv_preamble_format); 2217 else { 2218 Opts.PrecompiledPreambleBytes.first = Bytes; 2219 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 2220 } 2221 } 2222 2223 // Add macros from the command line. 2224 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 2225 ie = Args.filtered_end(); it != ie; ++it) { 2226 if ((*it)->getOption().matches(OPT_D)) 2227 Opts.addMacroDef((*it)->getValue(Args)); 2228 else 2229 Opts.addMacroUndef((*it)->getValue(Args)); 2230 } 2231 2232 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2233 2234 // Add the ordered list of -includes. 2235 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2236 OPT_include_pth), 2237 ie = Args.filtered_end(); it != ie; ++it) { 2238 const Arg *A = *it; 2239 Opts.Includes.push_back(A->getValue(Args)); 2240 } 2241 2242 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2243 ie = Args.filtered_end(); it != ie; ++it) { 2244 const Arg *A = *it; 2245 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2246 } 2247 2248 // Include 'altivec.h' if -faltivec option present 2249 if (Args.hasArg(OPT_faltivec)) 2250 Opts.Includes.push_back("altivec.h"); 2251 2252 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2253 ie = Args.filtered_end(); it != ie; ++it) { 2254 const Arg *A = *it; 2255 std::pair<StringRef,StringRef> Split = 2256 StringRef(A->getValue(Args)).split(';'); 2257 2258 if (Split.second.empty()) { 2259 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2260 continue; 2261 } 2262 2263 Opts.addRemappedFile(Split.first, Split.second); 2264 } 2265 2266 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2267 StringRef Name = A->getValue(Args); 2268 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2269 .Case("libc++", ARCXX_libcxx) 2270 .Case("libstdc++", ARCXX_libstdcxx) 2271 .Case("none", ARCXX_nolib) 2272 .Default(~0U); 2273 if (Library == ~0U) 2274 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2275 else 2276 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2277 } 2278 } 2279 2280 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2281 ArgList &Args) { 2282 using namespace options; 2283 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2284 Opts.ShowComments = Args.hasArg(OPT_C); 2285 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2286 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2287 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2288 Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes); 2289 } 2290 2291 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2292 using namespace options; 2293 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2294 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2295 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2296 Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature); 2297 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2298 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2299 2300 // Use the default target triple if unspecified. 2301 if (Opts.Triple.empty()) 2302 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2303 } 2304 2305 // 2306 2307 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2308 const char *const *ArgBegin, 2309 const char *const *ArgEnd, 2310 DiagnosticsEngine &Diags) { 2311 bool Success = true; 2312 2313 // Parse the arguments. 2314 OwningPtr<OptTable> Opts(createDriverOptTable()); 2315 unsigned MissingArgIndex, MissingArgCount; 2316 OwningPtr<InputArgList> Args( 2317 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2318 2319 // Check for missing argument error. 2320 if (MissingArgCount) { 2321 Diags.Report(diag::err_drv_missing_argument) 2322 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2323 Success = false; 2324 } 2325 2326 // Issue errors on unknown arguments. 2327 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2328 ie = Args->filtered_end(); it != ie; ++it) { 2329 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2330 Success = false; 2331 } 2332 2333 // Issue errors on arguments that are not valid for CC1. 2334 for (ArgList::iterator I = Args->begin(), E = Args->end(); 2335 I != E; ++I) { 2336 if (!(*I)->getOption().hasFlag(options::CC1Option)) { 2337 Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); 2338 Success = false; 2339 } 2340 } 2341 2342 Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success; 2343 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2344 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2345 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2346 && Success; 2347 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2348 // FIXME: We shouldn't have to pass the DashX option around here 2349 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2350 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2351 && Success; 2352 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2353 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2354 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2355 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2356 Res.getLangOpts()->ObjCExceptions = 1; 2357 } 2358 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2359 // PCH file and find the original header name. Remove the need to do that in 2360 // ParsePreprocessorArgs and remove the FileManager 2361 // parameters from the function and the "FileManager.h" #include. 2362 FileManager FileMgr(Res.getFileSystemOpts()); 2363 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2364 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2365 ParseTargetArgs(Res.getTargetOpts(), *Args); 2366 2367 return Success; 2368 } 2369 2370 namespace { 2371 2372 class ModuleSignature { 2373 llvm::SmallVector<uint64_t, 16> Data; 2374 unsigned CurBit; 2375 uint64_t CurValue; 2376 2377 public: 2378 ModuleSignature() : CurBit(0), CurValue(0) { } 2379 2380 void add(uint64_t Value, unsigned Bits); 2381 void add(StringRef Value); 2382 void flush(); 2383 2384 llvm::APInt getAsInteger() const; 2385 }; 2386 } 2387 2388 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2389 CurValue |= Value << CurBit; 2390 if (CurBit + NumBits < 64) { 2391 CurBit += NumBits; 2392 return; 2393 } 2394 2395 // Add the current word. 2396 Data.push_back(CurValue); 2397 2398 if (CurBit) 2399 CurValue = Value >> (64-CurBit); 2400 else 2401 CurValue = 0; 2402 CurBit = (CurBit+NumBits) & 63; 2403 } 2404 2405 void ModuleSignature::flush() { 2406 if (CurBit == 0) 2407 return; 2408 2409 Data.push_back(CurValue); 2410 CurBit = 0; 2411 CurValue = 0; 2412 } 2413 2414 void ModuleSignature::add(StringRef Value) { 2415 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2416 add(*I, 8); 2417 } 2418 2419 llvm::APInt ModuleSignature::getAsInteger() const { 2420 return llvm::APInt(Data.size() * 64, Data); 2421 } 2422 2423 std::string CompilerInvocation::getModuleHash() const { 2424 ModuleSignature Signature; 2425 2426 // Start the signature with the compiler version. 2427 // FIXME: The full version string can be quite long. Omit it from the 2428 // module hash for now to avoid failures where the path name becomes too 2429 // long. An MD5 or similar checksum would work well here. 2430 // Signature.add(getClangFullRepositoryVersion()); 2431 2432 // Extend the signature with the language options 2433 #define LANGOPT(Name, Bits, Default, Description) \ 2434 Signature.add(LangOpts->Name, Bits); 2435 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2436 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2437 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2438 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2439 #include "clang/Basic/LangOptions.def" 2440 2441 // Extend the signature with the target triple 2442 // FIXME: Add target options. 2443 llvm::Triple T(TargetOpts->Triple); 2444 Signature.add((unsigned)T.getArch(), 5); 2445 Signature.add((unsigned)T.getVendor(), 4); 2446 Signature.add((unsigned)T.getOS(), 5); 2447 Signature.add((unsigned)T.getEnvironment(), 4); 2448 2449 // Extend the signature with preprocessor options. 2450 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2451 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2452 2453 // Hash the preprocessor defines. 2454 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2455 std::vector<StringRef> MacroDefs; 2456 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2457 I = getPreprocessorOpts().Macros.begin(), 2458 IEnd = getPreprocessorOpts().Macros.end(); 2459 I != IEnd; ++I) { 2460 if (!I->second) 2461 MacroDefs.push_back(I->first); 2462 } 2463 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2464 2465 unsigned PPHashResult = 0; 2466 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2467 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2468 Signature.add(PPHashResult, 32); 2469 2470 // We've generated the signature. Treat it as one large APInt that we'll 2471 // encode in base-36 and return. 2472 Signature.flush(); 2473 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2474 } 2475