1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44 //===----------------------------------------------------------------------===// 45 // Utility functions. 46 //===----------------------------------------------------------------------===// 47 48 static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54 #include "clang/Frontend/Analyses.def" 55 } 56 } 57 58 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64 #include "clang/Frontend/Analyses.def" 65 } 66 } 67 68 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74 #include "clang/Frontend/Analyses.def" 75 } 76 } 77 78 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis purge mode!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 89 switch (Kind) { 90 default: 91 llvm_unreachable("Unknown analysis ipa mode!"); 92 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 93 case NAME: return CMDFLAG; 94 #include "clang/Frontend/Analyses.def" 95 } 96 } 97 98 static const char * 99 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 100 switch (Kind) { 101 default: 102 llvm_unreachable("Unknown analysis inlining mode!"); 103 #define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 104 case NAME: return CMDFLAG; 105 #include "clang/Frontend/Analyses.def" 106 } 107 } 108 109 //===----------------------------------------------------------------------===// 110 // Serialization (to args) 111 //===----------------------------------------------------------------------===// 112 113 namespace { 114 /// ToArgsList - Helper class to create a list of std::strings. 115 class ToArgsList { 116 std::vector<std::string> &Res; 117 public: 118 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 119 120 void push_back(StringRef Str) { 121 // Avoid creating a temporary string. 122 Res.push_back(std::string()); 123 Res.back().assign(Str.data(), Str.size()); 124 } 125 126 void push_back(StringRef Str1, StringRef Str2) { 127 push_back(Str1); 128 push_back(Str2); 129 } 130 }; 131 } 132 133 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 134 if (Opts.ShowCheckerHelp) 135 Res.push_back("-analyzer-checker-help"); 136 if (Opts.AnalysisStoreOpt != RegionStoreModel) 137 Res.push_back("-analyzer-store", 138 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 139 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 140 Res.push_back("-analyzer-constraints", 141 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 142 if (Opts.AnalysisDiagOpt != PD_HTML) 143 Res.push_back("-analyzer-output", 144 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 145 if (Opts.AnalysisPurgeOpt != PurgeStmt) 146 Res.push_back("-analyzer-purge", 147 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 148 if (!Opts.AnalyzeSpecificFunction.empty()) 149 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 150 if (Opts.IPAMode != Inlining) 151 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 152 if (Opts.InliningMode != NoRedundancy) 153 Res.push_back("-analyzer-inlining-mode", 154 getAnalysisInliningModeName(Opts.InliningMode)); 155 156 if (Opts.AnalyzeAll) 157 Res.push_back("-analyzer-opt-analyze-headers"); 158 if (Opts.AnalyzerDisplayProgress) 159 Res.push_back("-analyzer-display-progress"); 160 if (Opts.AnalyzeNestedBlocks) 161 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 162 if (Opts.EagerlyAssume) 163 Res.push_back("-analyzer-eagerly-assume"); 164 if (Opts.TrimGraph) 165 Res.push_back("-trim-egraph"); 166 if (Opts.VisualizeEGDot) 167 Res.push_back("-analyzer-viz-egraph-graphviz"); 168 if (Opts.VisualizeEGUbi) 169 Res.push_back("-analyzer-viz-egraph-ubigraph"); 170 171 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 172 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 173 if (opt.second) 174 Res.push_back("-analyzer-disable-checker"); 175 else 176 Res.push_back("-analyzer-checker"); 177 Res.push_back(opt.first); 178 } 179 } 180 181 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 182 if (Opts.DebugInfo) 183 Res.push_back("-g"); 184 if (Opts.DisableLLVMOpts) 185 Res.push_back("-disable-llvm-optzns"); 186 if (Opts.DisableRedZone) 187 Res.push_back("-disable-red-zone"); 188 if (Opts.DisableTailCalls) 189 Res.push_back("-mdisable-tail-calls"); 190 if (!Opts.DebugCompilationDir.empty()) 191 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 192 if (!Opts.DwarfDebugFlags.empty()) 193 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 194 if (Opts.ObjCRuntimeHasARC) 195 Res.push_back("-fobjc-runtime-has-arc"); 196 if (Opts.ObjCRuntimeHasTerminate) 197 Res.push_back("-fobjc-runtime-has-terminate"); 198 if (Opts.EmitGcovArcs) 199 Res.push_back("-femit-coverage-data"); 200 if (Opts.EmitGcovNotes) 201 Res.push_back("-femit-coverage-notes"); 202 if (!Opts.MergeAllConstants) 203 Res.push_back("-fno-merge-all-constants"); 204 if (Opts.NoCommon) 205 Res.push_back("-fno-common"); 206 if (Opts.ForbidGuardVariables) 207 Res.push_back("-fforbid-guard-variables"); 208 if (Opts.UseRegisterSizedBitfieldAccess) 209 Res.push_back("-fuse-register-sized-bitfield-access"); 210 if (Opts.NoImplicitFloat) 211 Res.push_back("-no-implicit-float"); 212 if (Opts.OmitLeafFramePointer) 213 Res.push_back("-momit-leaf-frame-pointer"); 214 if (Opts.OptimizeSize) { 215 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 216 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 217 } else if (Opts.OptimizationLevel != 0) 218 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 219 if (!Opts.MainFileName.empty()) 220 Res.push_back("-main-file-name", Opts.MainFileName); 221 if (Opts.NoInfsFPMath) 222 Res.push_back("-menable-no-infinities"); 223 if (Opts.NoNaNsFPMath) 224 Res.push_back("-menable-no-nans"); 225 // SimplifyLibCalls is only derived. 226 // TimePasses is only derived. 227 // UnitAtATime is unused. 228 // Inlining is only derived. 229 230 // UnrollLoops is derived, but also accepts an option, no 231 // harm in pushing it back here. 232 if (Opts.UnrollLoops) 233 Res.push_back("-funroll-loops"); 234 if (Opts.DataSections) 235 Res.push_back("-fdata-sections"); 236 if (Opts.FunctionSections) 237 Res.push_back("-ffunction-sections"); 238 if (Opts.AsmVerbose) 239 Res.push_back("-masm-verbose"); 240 if (!Opts.CodeModel.empty()) 241 Res.push_back("-mcode-model", Opts.CodeModel); 242 if (Opts.CUDAIsDevice) 243 Res.push_back("-fcuda-is-device"); 244 if (!Opts.CXAAtExit) 245 Res.push_back("-fno-use-cxa-atexit"); 246 if (Opts.CXXCtorDtorAliases) 247 Res.push_back("-mconstructor-aliases"); 248 if (Opts.ObjCAutoRefCountExceptions) 249 Res.push_back("-fobjc-arc-eh"); 250 if (!Opts.DebugPass.empty()) { 251 Res.push_back("-mdebug-pass", Opts.DebugPass); 252 } 253 if (Opts.DisableFPElim) 254 Res.push_back("-mdisable-fp-elim"); 255 if (!Opts.FloatABI.empty()) 256 Res.push_back("-mfloat-abi", Opts.FloatABI); 257 if (!Opts.LimitFloatPrecision.empty()) 258 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 259 if (Opts.NoZeroInitializedInBSS) 260 Res.push_back("-mno-zero-initialized-bss"); 261 switch (Opts.getObjCDispatchMethod()) { 262 case CodeGenOptions::Legacy: 263 break; 264 case CodeGenOptions::Mixed: 265 Res.push_back("-fobjc-dispatch-method=mixed"); 266 break; 267 case CodeGenOptions::NonLegacy: 268 Res.push_back("-fobjc-dispatch-method=non-legacy"); 269 break; 270 } 271 if (Opts.NumRegisterParameters) 272 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 273 if (Opts.NoGlobalMerge) 274 Res.push_back("-mno-global-merge"); 275 if (Opts.NoExecStack) 276 Res.push_back("-mnoexecstack"); 277 if (Opts.RelaxAll) 278 Res.push_back("-mrelax-all"); 279 if (Opts.SaveTempLabels) 280 Res.push_back("-msave-temp-labels"); 281 if (Opts.NoDwarf2CFIAsm) 282 Res.push_back("-fno-dwarf2-cfi-asm"); 283 if (Opts.NoDwarfDirectoryAsm) 284 Res.push_back("-fno-dwarf-directory-asm"); 285 if (Opts.SoftFloat) 286 Res.push_back("-msoft-float"); 287 if (Opts.UnwindTables) 288 Res.push_back("-munwind-tables"); 289 if (Opts.RelocationModel != "pic") 290 Res.push_back("-mrelocation-model", Opts.RelocationModel); 291 if (!Opts.VerifyModule) 292 Res.push_back("-disable-llvm-verifier"); 293 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 294 Res.push_back("-backend-option", Opts.BackendOptions[i]); 295 } 296 297 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 298 ToArgsList &Res) { 299 if (Opts.IncludeSystemHeaders) 300 Res.push_back("-sys-header-deps"); 301 if (Opts.ShowHeaderIncludes) 302 Res.push_back("-H"); 303 if (!Opts.HeaderIncludeOutputFile.empty()) 304 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 305 if (Opts.UsePhonyTargets) 306 Res.push_back("-MP"); 307 if (!Opts.OutputFile.empty()) 308 Res.push_back("-dependency-file", Opts.OutputFile); 309 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 310 Res.push_back("-MT", Opts.Targets[i]); 311 } 312 313 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 314 ToArgsList &Res) { 315 if (Opts.IgnoreWarnings) 316 Res.push_back("-w"); 317 if (Opts.NoRewriteMacros) 318 Res.push_back("-Wno-rewrite-macros"); 319 if (Opts.Pedantic) 320 Res.push_back("-pedantic"); 321 if (Opts.PedanticErrors) 322 Res.push_back("-pedantic-errors"); 323 if (!Opts.ShowColumn) 324 Res.push_back("-fno-show-column"); 325 if (!Opts.ShowLocation) 326 Res.push_back("-fno-show-source-location"); 327 if (!Opts.ShowCarets) 328 Res.push_back("-fno-caret-diagnostics"); 329 if (!Opts.ShowFixits) 330 Res.push_back("-fno-diagnostics-fixit-info"); 331 if (Opts.ShowSourceRanges) 332 Res.push_back("-fdiagnostics-print-source-range-info"); 333 if (Opts.ShowParseableFixits) 334 Res.push_back("-fdiagnostics-parseable-fixits"); 335 if (Opts.ShowColors) 336 Res.push_back("-fcolor-diagnostics"); 337 if (Opts.VerifyDiagnostics) 338 Res.push_back("-verify"); 339 if (Opts.ShowOptionNames) 340 Res.push_back("-fdiagnostics-show-option"); 341 if (Opts.ShowCategories == 1) 342 Res.push_back("-fdiagnostics-show-category=id"); 343 else if (Opts.ShowCategories == 2) 344 Res.push_back("-fdiagnostics-show-category=name"); 345 switch (Opts.Format) { 346 case DiagnosticOptions::Clang: 347 Res.push_back("-fdiagnostics-format=clang"); break; 348 case DiagnosticOptions::Msvc: 349 Res.push_back("-fdiagnostics-format=msvc"); break; 350 case DiagnosticOptions::Vi: 351 Res.push_back("-fdiagnostics-format=vi"); break; 352 } 353 if (Opts.ErrorLimit) 354 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 355 if (!Opts.DiagnosticLogFile.empty()) 356 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 357 if (Opts.MacroBacktraceLimit 358 != DiagnosticOptions::DefaultMacroBacktraceLimit) 359 Res.push_back("-fmacro-backtrace-limit", 360 llvm::utostr(Opts.MacroBacktraceLimit)); 361 if (Opts.TemplateBacktraceLimit 362 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 363 Res.push_back("-ftemplate-backtrace-limit", 364 llvm::utostr(Opts.TemplateBacktraceLimit)); 365 if (Opts.ConstexprBacktraceLimit 366 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 367 Res.push_back("-fconstexpr-backtrace-limit", 368 llvm::utostr(Opts.ConstexprBacktraceLimit)); 369 370 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 371 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 372 if (Opts.MessageLength) 373 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 374 if (!Opts.DumpBuildInformation.empty()) 375 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 376 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 377 Res.push_back("-W" + Opts.Warnings[i]); 378 } 379 380 static const char *getInputKindName(InputKind Kind) { 381 switch (Kind) { 382 case IK_None: break; 383 case IK_AST: return "ast"; 384 case IK_Asm: return "assembler-with-cpp"; 385 case IK_C: return "c"; 386 case IK_CXX: return "c++"; 387 case IK_LLVM_IR: return "ir"; 388 case IK_ObjC: return "objective-c"; 389 case IK_ObjCXX: return "objective-c++"; 390 case IK_OpenCL: return "cl"; 391 case IK_CUDA: return "cuda"; 392 case IK_PreprocessedC: return "cpp-output"; 393 case IK_PreprocessedCXX: return "c++-cpp-output"; 394 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 395 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 396 } 397 398 llvm_unreachable("Unexpected language kind!"); 399 } 400 401 static const char *getActionName(frontend::ActionKind Kind) { 402 switch (Kind) { 403 case frontend::PluginAction: 404 llvm_unreachable("Invalid kind!"); 405 406 case frontend::ASTDump: return "-ast-dump"; 407 case frontend::ASTDumpXML: return "-ast-dump-xml"; 408 case frontend::ASTPrint: return "-ast-print"; 409 case frontend::ASTView: return "-ast-view"; 410 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 411 case frontend::DumpTokens: return "-dump-tokens"; 412 case frontend::EmitAssembly: return "-S"; 413 case frontend::EmitBC: return "-emit-llvm-bc"; 414 case frontend::EmitHTML: return "-emit-html"; 415 case frontend::EmitLLVM: return "-emit-llvm"; 416 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 417 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 418 case frontend::EmitObj: return "-emit-obj"; 419 case frontend::FixIt: return "-fixit"; 420 case frontend::GenerateModule: return "-emit-module"; 421 case frontend::GeneratePCH: return "-emit-pch"; 422 case frontend::GeneratePTH: return "-emit-pth"; 423 case frontend::InitOnly: return "-init-only"; 424 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 425 case frontend::PrintDeclContext: return "-print-decl-contexts"; 426 case frontend::PrintPreamble: return "-print-preamble"; 427 case frontend::PrintPreprocessedInput: return "-E"; 428 case frontend::RewriteMacros: return "-rewrite-macros"; 429 case frontend::RewriteObjC: return "-rewrite-objc"; 430 case frontend::RewriteTest: return "-rewrite-test"; 431 case frontend::RunAnalysis: return "-analyze"; 432 case frontend::MigrateSource: return "-migrate"; 433 case frontend::RunPreprocessorOnly: return "-Eonly"; 434 } 435 436 llvm_unreachable("Unexpected language kind!"); 437 } 438 439 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 440 if (!Opts.WorkingDir.empty()) 441 Res.push_back("-working-directory", Opts.WorkingDir); 442 } 443 444 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 445 if (Opts.DisableFree) 446 Res.push_back("-disable-free"); 447 if (Opts.RelocatablePCH) 448 Res.push_back("-relocatable-pch"); 449 if (Opts.ShowHelp) 450 Res.push_back("-help"); 451 if (Opts.ShowMacrosInCodeCompletion) 452 Res.push_back("-code-completion-macros"); 453 if (Opts.ShowCodePatternsInCodeCompletion) 454 Res.push_back("-code-completion-patterns"); 455 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 456 Res.push_back("-no-code-completion-globals"); 457 if (Opts.ShowStats) 458 Res.push_back("-print-stats"); 459 if (Opts.ShowTimers) 460 Res.push_back("-ftime-report"); 461 if (Opts.ShowVersion) 462 Res.push_back("-version"); 463 if (Opts.FixWhatYouCan) 464 Res.push_back("-fix-what-you-can"); 465 if (Opts.FixOnlyWarnings) 466 Res.push_back("-fix-only-warnings"); 467 if (Opts.FixAndRecompile) 468 Res.push_back("-fixit-recompile"); 469 if (Opts.FixToTemporaries) 470 Res.push_back("-fixit-to-temporary"); 471 switch (Opts.ARCMTAction) { 472 case FrontendOptions::ARCMT_None: 473 break; 474 case FrontendOptions::ARCMT_Check: 475 Res.push_back("-arcmt-check"); 476 break; 477 case FrontendOptions::ARCMT_Modify: 478 Res.push_back("-arcmt-modify"); 479 break; 480 case FrontendOptions::ARCMT_Migrate: 481 Res.push_back("-arcmt-migrate"); 482 break; 483 } 484 if (!Opts.MTMigrateDir.empty()) 485 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 486 if (!Opts.ARCMTMigrateReportOut.empty()) 487 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 488 if (Opts.ARCMTMigrateEmitARCErrors) 489 Res.push_back("-arcmt-migrate-emit-errors"); 490 491 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 492 Res.push_back("-objcmt-migrate-literals"); 493 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 494 Res.push_back("-objcmt-migrate-subscripting"); 495 496 bool NeedLang = false; 497 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 498 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 499 Opts.Inputs[i].Kind) 500 NeedLang = true; 501 if (NeedLang) 502 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 503 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 504 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 505 "Unable to represent this input vector!"); 506 Res.push_back(Opts.Inputs[i].File); 507 } 508 509 if (!Opts.OutputFile.empty()) 510 Res.push_back("-o", Opts.OutputFile); 511 if (!Opts.CodeCompletionAt.FileName.empty()) 512 Res.push_back("-code-completion-at", 513 Opts.CodeCompletionAt.FileName + ":" + 514 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 515 llvm::utostr(Opts.CodeCompletionAt.Column)); 516 if (Opts.ProgramAction != frontend::PluginAction) 517 Res.push_back(getActionName(Opts.ProgramAction)); 518 if (!Opts.ActionName.empty()) { 519 Res.push_back("-plugin", Opts.ActionName); 520 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 521 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 522 } 523 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 524 Res.push_back("-load", Opts.Plugins[i]); 525 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 526 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 527 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 528 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 529 Opts.AddPluginArgs[i][ai]); 530 } 531 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 532 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 533 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 534 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 535 if (!Opts.OverrideRecordLayoutsFile.empty()) 536 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 537 } 538 539 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 540 ToArgsList &Res) { 541 if (Opts.Sysroot != "/") { 542 Res.push_back("-isysroot"); 543 Res.push_back(Opts.Sysroot); 544 } 545 546 /// User specified include entries. 547 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 548 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 549 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 550 llvm::report_fatal_error("Invalid option set!"); 551 if (E.IsUserSupplied) { 552 switch (E.Group) { 553 case frontend::After: 554 Res.push_back("-idirafter"); 555 break; 556 557 case frontend::Quoted: 558 Res.push_back("-iquote"); 559 break; 560 561 case frontend::System: 562 Res.push_back("-isystem"); 563 break; 564 565 case frontend::IndexHeaderMap: 566 Res.push_back("-index-header-map"); 567 Res.push_back(E.IsFramework? "-F" : "-I"); 568 break; 569 570 case frontend::CSystem: 571 Res.push_back("-c-isystem"); 572 break; 573 574 case frontend::CXXSystem: 575 Res.push_back("-cxx-isystem"); 576 break; 577 578 case frontend::ObjCSystem: 579 Res.push_back("-objc-isystem"); 580 break; 581 582 case frontend::ObjCXXSystem: 583 Res.push_back("-objcxx-isystem"); 584 break; 585 586 case frontend::Angled: 587 Res.push_back(E.IsFramework ? "-F" : "-I"); 588 break; 589 } 590 } else { 591 if (E.IsInternal) { 592 assert(E.Group == frontend::System && "Unexpected header search group"); 593 if (E.ImplicitExternC) 594 Res.push_back("-internal-externc-isystem"); 595 else 596 Res.push_back("-internal-isystem"); 597 } else { 598 if (E.Group != frontend::Angled && E.Group != frontend::System) 599 llvm::report_fatal_error("Invalid option set!"); 600 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 601 "-iwithprefix"); 602 } 603 } 604 Res.push_back(E.Path); 605 } 606 607 if (!Opts.ResourceDir.empty()) 608 Res.push_back("-resource-dir", Opts.ResourceDir); 609 if (!Opts.ModuleCachePath.empty()) 610 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 611 if (!Opts.UseStandardSystemIncludes) 612 Res.push_back("-nostdsysteminc"); 613 if (!Opts.UseStandardCXXIncludes) 614 Res.push_back("-nostdinc++"); 615 if (Opts.UseLibcxx) 616 Res.push_back("-stdlib=libc++"); 617 if (Opts.Verbose) 618 Res.push_back("-v"); 619 } 620 621 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 622 LangOptions DefaultLangOpts; 623 624 // FIXME: Need to set -std to get all the implicit options. 625 626 // FIXME: We want to only pass options relative to the defaults, which 627 // requires constructing a target. :( 628 // 629 // It would be better to push the all target specific choices into the driver, 630 // so that everything below that was more uniform. 631 632 if (Opts.Trigraphs) 633 Res.push_back("-trigraphs"); 634 // Implicit based on the input kind: 635 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 636 // Implicit based on the input language standard: 637 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 638 if (Opts.DollarIdents) 639 Res.push_back("-fdollars-in-identifiers"); 640 if (Opts.GNUMode && !Opts.GNUKeywords) 641 Res.push_back("-fno-gnu-keywords"); 642 if (!Opts.GNUMode && Opts.GNUKeywords) 643 Res.push_back("-fgnu-keywords"); 644 if (Opts.MicrosoftExt) 645 Res.push_back("-fms-extensions"); 646 if (Opts.MicrosoftMode) 647 Res.push_back("-fms-compatibility"); 648 if (Opts.MSCVersion != 0) 649 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 650 if (Opts.Borland) 651 Res.push_back("-fborland-extensions"); 652 if (!Opts.ObjCNonFragileABI) 653 Res.push_back("-fobjc-fragile-abi"); 654 if (Opts.ObjCDefaultSynthProperties) 655 Res.push_back("-fobjc-default-synthesize-properties"); 656 // NoInline is implicit. 657 if (!Opts.CXXOperatorNames) 658 Res.push_back("-fno-operator-names"); 659 if (Opts.PascalStrings) 660 Res.push_back("-fpascal-strings"); 661 if (Opts.CatchUndefined) 662 Res.push_back("-fcatch-undefined-behavior"); 663 if (Opts.AddressSanitizer) 664 Res.push_back("-faddress-sanitizer"); 665 if (Opts.ThreadSanitizer) 666 Res.push_back("-fthread-sanitizer"); 667 if (Opts.WritableStrings) 668 Res.push_back("-fwritable-strings"); 669 if (Opts.ConstStrings) 670 Res.push_back("-fconst-strings"); 671 if (!Opts.LaxVectorConversions) 672 Res.push_back("-fno-lax-vector-conversions"); 673 if (Opts.AltiVec) 674 Res.push_back("-faltivec"); 675 if (Opts.Exceptions) 676 Res.push_back("-fexceptions"); 677 if (Opts.ObjCExceptions) 678 Res.push_back("-fobjc-exceptions"); 679 if (Opts.CXXExceptions) 680 Res.push_back("-fcxx-exceptions"); 681 if (Opts.SjLjExceptions) 682 Res.push_back("-fsjlj-exceptions"); 683 if (Opts.TraditionalCPP) 684 Res.push_back("-traditional-cpp"); 685 if (!Opts.RTTI) 686 Res.push_back("-fno-rtti"); 687 if (Opts.MSBitfields) 688 Res.push_back("-mms-bitfields"); 689 if (!Opts.NeXTRuntime) 690 Res.push_back("-fgnu-runtime"); 691 if (Opts.Freestanding) 692 Res.push_back("-ffreestanding"); 693 if (Opts.NoBuiltin) 694 Res.push_back("-fno-builtin"); 695 if (!Opts.AssumeSaneOperatorNew) 696 Res.push_back("-fno-assume-sane-operator-new"); 697 if (!Opts.ThreadsafeStatics) 698 Res.push_back("-fno-threadsafe-statics"); 699 if (Opts.POSIXThreads) 700 Res.push_back("-pthread"); 701 if (Opts.Blocks) 702 Res.push_back("-fblocks"); 703 if (Opts.BlocksRuntimeOptional) 704 Res.push_back("-fblocks-runtime-optional"); 705 if (Opts.Modules) 706 Res.push_back("-fmodules"); 707 if (Opts.EmitAllDecls) 708 Res.push_back("-femit-all-decls"); 709 if (Opts.MathErrno) 710 Res.push_back("-fmath-errno"); 711 switch (Opts.getSignedOverflowBehavior()) { 712 case LangOptions::SOB_Undefined: break; 713 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 714 case LangOptions::SOB_Trapping: 715 Res.push_back("-ftrapv"); 716 if (!Opts.OverflowHandler.empty()) 717 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 718 break; 719 } 720 if (Opts.HeinousExtensions) 721 Res.push_back("-fheinous-gnu-extensions"); 722 // Optimize is implicit. 723 // OptimizeSize is implicit. 724 if (Opts.FastMath) 725 Res.push_back("-ffast-math"); 726 if (Opts.Static) 727 Res.push_back("-static-define"); 728 if (Opts.DumpRecordLayoutsSimple) 729 Res.push_back("-fdump-record-layouts-simple"); 730 else if (Opts.DumpRecordLayouts) 731 Res.push_back("-fdump-record-layouts"); 732 if (Opts.DumpVTableLayouts) 733 Res.push_back("-fdump-vtable-layouts"); 734 if (Opts.NoBitFieldTypeAlign) 735 Res.push_back("-fno-bitfield-type-alignment"); 736 if (Opts.PICLevel) 737 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 738 if (Opts.ObjCGCBitmapPrint) 739 Res.push_back("-print-ivar-layout"); 740 if (Opts.NoConstantCFStrings) 741 Res.push_back("-fno-constant-cfstrings"); 742 if (!Opts.AccessControl) 743 Res.push_back("-fno-access-control"); 744 if (!Opts.CharIsSigned) 745 Res.push_back("-fno-signed-char"); 746 if (Opts.ShortWChar) 747 Res.push_back("-fshort-wchar"); 748 if (!Opts.ElideConstructors) 749 Res.push_back("-fno-elide-constructors"); 750 if (Opts.getGC() != LangOptions::NonGC) { 751 if (Opts.getGC() == LangOptions::HybridGC) { 752 Res.push_back("-fobjc-gc"); 753 } else { 754 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 755 Res.push_back("-fobjc-gc-only"); 756 } 757 } 758 if (Opts.ObjCAutoRefCount) 759 Res.push_back("-fobjc-arc"); 760 if (Opts.ObjCRuntimeHasWeak) 761 Res.push_back("-fobjc-runtime-has-weak"); 762 if (!Opts.ObjCInferRelatedResultType) 763 Res.push_back("-fno-objc-infer-related-result-type"); 764 765 if (Opts.AppleKext) 766 Res.push_back("-fapple-kext"); 767 768 if (Opts.getVisibilityMode() != DefaultVisibility) { 769 Res.push_back("-fvisibility"); 770 if (Opts.getVisibilityMode() == HiddenVisibility) { 771 Res.push_back("hidden"); 772 } else { 773 assert(Opts.getVisibilityMode() == ProtectedVisibility && 774 "Invalid visibility!"); 775 Res.push_back("protected"); 776 } 777 } 778 if (Opts.InlineVisibilityHidden) 779 Res.push_back("-fvisibility-inlines-hidden"); 780 781 if (Opts.getStackProtector() != 0) 782 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 783 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 784 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 785 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 786 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 787 if (!Opts.ObjCConstantStringClass.empty()) 788 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 789 if (Opts.FakeAddressSpaceMap) 790 Res.push_back("-ffake-address-space-map"); 791 if (Opts.ParseUnknownAnytype) 792 Res.push_back("-funknown-anytype"); 793 if (Opts.DebuggerSupport) 794 Res.push_back("-fdebugger-support"); 795 if (Opts.DebuggerCastResultToId) 796 Res.push_back("-fdebugger-cast-result-to-id"); 797 if (Opts.DebuggerObjCLiteral) 798 Res.push_back("-fdebugger-objc-literal"); 799 if (Opts.DelayedTemplateParsing) 800 Res.push_back("-fdelayed-template-parsing"); 801 if (Opts.Deprecated) 802 Res.push_back("-fdeprecated-macro"); 803 if (Opts.ApplePragmaPack) 804 Res.push_back("-fapple-pragma-pack"); 805 if (!Opts.CurrentModule.empty()) 806 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 807 } 808 809 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 810 ToArgsList &Res) { 811 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 812 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 813 Opts.Macros[i].first); 814 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 815 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 816 Res.push_back("-include", Opts.Includes[i]); 817 } 818 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 819 Res.push_back("-imacros", Opts.MacroIncludes[i]); 820 if (!Opts.UsePredefines) 821 Res.push_back("-undef"); 822 if (Opts.DetailedRecord) 823 Res.push_back("-detailed-preprocessing-record"); 824 if (!Opts.ImplicitPCHInclude.empty()) 825 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 826 if (!Opts.ImplicitPTHInclude.empty()) 827 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 828 if (!Opts.TokenCache.empty()) { 829 if (Opts.ImplicitPTHInclude.empty()) 830 Res.push_back("-token-cache", Opts.TokenCache); 831 else 832 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 833 "Unsupported option combination!"); 834 } 835 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 836 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 837 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 838 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 839 Opts.RemappedFiles[i].second); 840 } 841 } 842 843 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 844 ToArgsList &Res) { 845 if (!Opts.ShowCPP && !Opts.ShowMacros) 846 llvm::report_fatal_error("Invalid option combination!"); 847 848 if (Opts.ShowCPP && Opts.ShowMacros) 849 Res.push_back("-dD"); 850 else if (!Opts.ShowCPP && Opts.ShowMacros) 851 Res.push_back("-dM"); 852 853 if (!Opts.ShowLineMarkers) 854 Res.push_back("-P"); 855 if (Opts.ShowComments) 856 Res.push_back("-C"); 857 if (Opts.ShowMacroComments) 858 Res.push_back("-CC"); 859 } 860 861 static void TargetOptsToArgs(const TargetOptions &Opts, 862 ToArgsList &Res) { 863 Res.push_back("-triple"); 864 Res.push_back(Opts.Triple); 865 if (!Opts.CPU.empty()) 866 Res.push_back("-target-cpu", Opts.CPU); 867 if (!Opts.ABI.empty()) 868 Res.push_back("-target-abi", Opts.ABI); 869 if (!Opts.LinkerVersion.empty()) 870 Res.push_back("-target-linker-version", Opts.LinkerVersion); 871 if (!Opts.CXXABI.empty()) 872 Res.push_back("-cxx-abi", Opts.CXXABI); 873 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 874 Res.push_back("-target-feature", Opts.Features[i]); 875 } 876 877 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 878 ToArgsList List(Res); 879 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 880 CodeGenOptsToArgs(getCodeGenOpts(), List); 881 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 882 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 883 FileSystemOptsToArgs(getFileSystemOpts(), List); 884 FrontendOptsToArgs(getFrontendOpts(), List); 885 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 886 LangOptsToArgs(*getLangOpts(), List); 887 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 888 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 889 TargetOptsToArgs(getTargetOpts(), List); 890 } 891 892 //===----------------------------------------------------------------------===// 893 // Deserialization (to args) 894 //===----------------------------------------------------------------------===// 895 896 using namespace clang::driver; 897 using namespace clang::driver::cc1options; 898 899 // 900 901 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 902 DiagnosticsEngine &Diags) { 903 unsigned DefaultOpt = 0; 904 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 905 DefaultOpt = 2; 906 // -Os/-Oz implies -O2 907 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 908 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 909 } 910 911 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 912 DiagnosticsEngine &Diags) { 913 using namespace cc1options; 914 bool Success = true; 915 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 916 StringRef Name = A->getValue(Args); 917 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 918 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 919 .Case(CMDFLAG, NAME##Model) 920 #include "clang/Frontend/Analyses.def" 921 .Default(NumStores); 922 if (Value == NumStores) { 923 Diags.Report(diag::err_drv_invalid_value) 924 << A->getAsString(Args) << Name; 925 Success = false; 926 } else { 927 Opts.AnalysisStoreOpt = Value; 928 } 929 } 930 931 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 932 StringRef Name = A->getValue(Args); 933 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 934 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 935 .Case(CMDFLAG, NAME##Model) 936 #include "clang/Frontend/Analyses.def" 937 .Default(NumConstraints); 938 if (Value == NumConstraints) { 939 Diags.Report(diag::err_drv_invalid_value) 940 << A->getAsString(Args) << Name; 941 Success = false; 942 } else { 943 Opts.AnalysisConstraintsOpt = Value; 944 } 945 } 946 947 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 948 StringRef Name = A->getValue(Args); 949 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 950 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 951 .Case(CMDFLAG, PD_##NAME) 952 #include "clang/Frontend/Analyses.def" 953 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 954 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 955 Diags.Report(diag::err_drv_invalid_value) 956 << A->getAsString(Args) << Name; 957 Success = false; 958 } else { 959 Opts.AnalysisDiagOpt = Value; 960 } 961 } 962 963 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 964 StringRef Name = A->getValue(Args); 965 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 966 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 967 .Case(CMDFLAG, NAME) 968 #include "clang/Frontend/Analyses.def" 969 .Default(NumPurgeModes); 970 if (Value == NumPurgeModes) { 971 Diags.Report(diag::err_drv_invalid_value) 972 << A->getAsString(Args) << Name; 973 Success = false; 974 } else { 975 Opts.AnalysisPurgeOpt = Value; 976 } 977 } 978 979 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 980 StringRef Name = A->getValue(Args); 981 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 982 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 983 .Case(CMDFLAG, NAME) 984 #include "clang/Frontend/Analyses.def" 985 .Default(NumIPAModes); 986 if (Value == NumIPAModes) { 987 Diags.Report(diag::err_drv_invalid_value) 988 << A->getAsString(Args) << Name; 989 Success = false; 990 } else { 991 Opts.IPAMode = Value; 992 } 993 } 994 995 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 996 StringRef Name = A->getValue(Args); 997 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 998 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 999 .Case(CMDFLAG, NAME) 1000 #include "clang/Frontend/Analyses.def" 1001 .Default(NumInliningModes); 1002 if (Value == NumInliningModes) { 1003 Diags.Report(diag::err_drv_invalid_value) 1004 << A->getAsString(Args) << Name; 1005 Success = false; 1006 } else { 1007 Opts.InliningMode = Value; 1008 } 1009 } 1010 1011 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1012 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1013 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1014 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1015 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1016 Opts.AnalyzeNestedBlocks = 1017 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1018 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1019 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1020 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1021 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1022 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1023 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1024 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1025 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1026 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1027 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1028 Opts.InlineMaxStackDepth = 1029 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1030 Opts.InlineMaxStackDepth, Diags); 1031 Opts.InlineMaxFunctionSize = 1032 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1033 Opts.InlineMaxFunctionSize, Diags); 1034 1035 Opts.CheckersControlList.clear(); 1036 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1037 OPT_analyzer_disable_checker), 1038 ie = Args.filtered_end(); it != ie; ++it) { 1039 const Arg *A = *it; 1040 A->claim(); 1041 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1042 // We can have a list of comma separated checker names, e.g: 1043 // '-analyzer-checker=cocoa,unix' 1044 StringRef checkerList = A->getValue(Args); 1045 SmallVector<StringRef, 4> checkers; 1046 checkerList.split(checkers, ","); 1047 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1048 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1049 } 1050 1051 return Success; 1052 } 1053 1054 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1055 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1056 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1057 return true; 1058 } 1059 1060 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1061 DiagnosticsEngine &Diags) { 1062 using namespace cc1options; 1063 bool Success = true; 1064 1065 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1066 if (OptLevel > 3) { 1067 Diags.Report(diag::err_drv_invalid_value) 1068 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1069 OptLevel = 3; 1070 Success = false; 1071 } 1072 Opts.OptimizationLevel = OptLevel; 1073 1074 // We must always run at least the always inlining pass. 1075 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1076 : CodeGenOptions::OnlyAlwaysInlining; 1077 // -fno-inline-functions overrides OptimizationLevel > 1. 1078 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1079 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1080 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1081 1082 Opts.DebugInfo = Args.hasArg(OPT_g); 1083 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1084 || Args.hasArg(OPT_flimit_debug_info); 1085 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1086 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1087 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1088 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1089 OPT_fuse_register_sized_bitfield_access); 1090 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1091 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1092 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1093 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1094 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1095 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1096 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1097 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1098 Args.hasArg(OPT_ffreestanding)); 1099 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1100 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1101 1102 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1103 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1104 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1105 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1106 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1107 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1108 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1109 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1110 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1111 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1112 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1113 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1114 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1115 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1116 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1117 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1118 Args.hasArg(OPT_cl_finite_math_only)|| 1119 Args.hasArg(OPT_cl_fast_relaxed_math)); 1120 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1121 Args.hasArg(OPT_cl_finite_math_only)|| 1122 Args.hasArg(OPT_cl_fast_relaxed_math)); 1123 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1124 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1125 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1126 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1127 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1128 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1129 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1130 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1131 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1132 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1133 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1134 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1135 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1136 Args.hasArg(OPT_cl_fast_relaxed_math); 1137 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1138 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1139 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1140 1141 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1142 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1143 1144 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1145 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1146 1147 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1148 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1149 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1150 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1151 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1152 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1153 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1154 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1155 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1156 StringRef Val = A->getValue(Args); 1157 Val.getAsInteger(10, Opts.StackAlignment); 1158 } 1159 1160 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1161 StringRef Name = A->getValue(Args); 1162 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1163 .Case("legacy", CodeGenOptions::Legacy) 1164 .Case("non-legacy", CodeGenOptions::NonLegacy) 1165 .Case("mixed", CodeGenOptions::Mixed) 1166 .Default(~0U); 1167 if (Method == ~0U) { 1168 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1169 Success = false; 1170 } else { 1171 Opts.ObjCDispatchMethod = Method; 1172 } 1173 } 1174 1175 return Success; 1176 } 1177 1178 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1179 ArgList &Args) { 1180 using namespace cc1options; 1181 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1182 Opts.Targets = Args.getAllArgValues(OPT_MT); 1183 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1184 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1185 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1186 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1187 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1188 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1189 } 1190 1191 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1192 DiagnosticsEngine *Diags) { 1193 using namespace cc1options; 1194 bool Success = true; 1195 1196 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1197 Opts.DiagnosticSerializationFile = 1198 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1199 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1200 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1201 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1202 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1203 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1204 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1205 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1206 OPT_fno_show_column, 1207 /*Default=*/true); 1208 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1209 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1210 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1211 1212 // Default behavior is to not to show note include stacks. 1213 Opts.ShowNoteIncludeStack = false; 1214 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1215 OPT_fno_diagnostics_show_note_include_stack)) 1216 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1217 Opts.ShowNoteIncludeStack = true; 1218 1219 StringRef ShowOverloads = 1220 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1221 if (ShowOverloads == "best") 1222 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1223 else if (ShowOverloads == "all") 1224 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1225 else { 1226 Success = false; 1227 if (Diags) 1228 Diags->Report(diag::err_drv_invalid_value) 1229 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1230 << ShowOverloads; 1231 } 1232 1233 StringRef ShowCategory = 1234 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1235 if (ShowCategory == "none") 1236 Opts.ShowCategories = 0; 1237 else if (ShowCategory == "id") 1238 Opts.ShowCategories = 1; 1239 else if (ShowCategory == "name") 1240 Opts.ShowCategories = 2; 1241 else { 1242 Success = false; 1243 if (Diags) 1244 Diags->Report(diag::err_drv_invalid_value) 1245 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1246 << ShowCategory; 1247 } 1248 1249 StringRef Format = 1250 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1251 if (Format == "clang") 1252 Opts.Format = DiagnosticOptions::Clang; 1253 else if (Format == "msvc") 1254 Opts.Format = DiagnosticOptions::Msvc; 1255 else if (Format == "vi") 1256 Opts.Format = DiagnosticOptions::Vi; 1257 else { 1258 Success = false; 1259 if (Diags) 1260 Diags->Report(diag::err_drv_invalid_value) 1261 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1262 << Format; 1263 } 1264 1265 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1266 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1267 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1268 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1269 Opts.MacroBacktraceLimit 1270 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1271 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1272 Opts.TemplateBacktraceLimit 1273 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1274 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1275 Diags); 1276 Opts.ConstexprBacktraceLimit 1277 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1278 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1279 Diags); 1280 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1281 DiagnosticOptions::DefaultTabStop, Diags); 1282 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1283 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1284 if (Diags) 1285 Diags->Report(diag::warn_ignoring_ftabstop_value) 1286 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1287 } 1288 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1289 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1290 1291 for (arg_iterator it = Args.filtered_begin(OPT_W), 1292 ie = Args.filtered_end(); it != ie; ++it) { 1293 StringRef V = (*it)->getValue(Args); 1294 // "-Wl," and such are not warnings options. 1295 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1296 continue; 1297 1298 Opts.Warnings.push_back(V); 1299 } 1300 1301 return Success; 1302 } 1303 1304 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1305 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1306 } 1307 1308 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1309 DiagnosticsEngine &Diags) { 1310 using namespace cc1options; 1311 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1312 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1313 switch (A->getOption().getID()) { 1314 default: 1315 llvm_unreachable("Invalid option in group!"); 1316 case OPT_ast_dump: 1317 Opts.ProgramAction = frontend::ASTDump; break; 1318 case OPT_ast_dump_xml: 1319 Opts.ProgramAction = frontend::ASTDumpXML; break; 1320 case OPT_ast_print: 1321 Opts.ProgramAction = frontend::ASTPrint; break; 1322 case OPT_ast_view: 1323 Opts.ProgramAction = frontend::ASTView; break; 1324 case OPT_dump_raw_tokens: 1325 Opts.ProgramAction = frontend::DumpRawTokens; break; 1326 case OPT_dump_tokens: 1327 Opts.ProgramAction = frontend::DumpTokens; break; 1328 case OPT_S: 1329 Opts.ProgramAction = frontend::EmitAssembly; break; 1330 case OPT_emit_llvm_bc: 1331 Opts.ProgramAction = frontend::EmitBC; break; 1332 case OPT_emit_html: 1333 Opts.ProgramAction = frontend::EmitHTML; break; 1334 case OPT_emit_llvm: 1335 Opts.ProgramAction = frontend::EmitLLVM; break; 1336 case OPT_emit_llvm_only: 1337 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1338 case OPT_emit_codegen_only: 1339 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1340 case OPT_emit_obj: 1341 Opts.ProgramAction = frontend::EmitObj; break; 1342 case OPT_fixit_EQ: 1343 Opts.FixItSuffix = A->getValue(Args); 1344 // fall-through! 1345 case OPT_fixit: 1346 Opts.ProgramAction = frontend::FixIt; break; 1347 case OPT_emit_module: 1348 Opts.ProgramAction = frontend::GenerateModule; break; 1349 case OPT_emit_pch: 1350 Opts.ProgramAction = frontend::GeneratePCH; break; 1351 case OPT_emit_pth: 1352 Opts.ProgramAction = frontend::GeneratePTH; break; 1353 case OPT_init_only: 1354 Opts.ProgramAction = frontend::InitOnly; break; 1355 case OPT_fsyntax_only: 1356 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1357 case OPT_print_decl_contexts: 1358 Opts.ProgramAction = frontend::PrintDeclContext; break; 1359 case OPT_print_preamble: 1360 Opts.ProgramAction = frontend::PrintPreamble; break; 1361 case OPT_E: 1362 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1363 case OPT_rewrite_macros: 1364 Opts.ProgramAction = frontend::RewriteMacros; break; 1365 case OPT_rewrite_objc: 1366 Opts.ProgramAction = frontend::RewriteObjC; break; 1367 case OPT_rewrite_test: 1368 Opts.ProgramAction = frontend::RewriteTest; break; 1369 case OPT_analyze: 1370 Opts.ProgramAction = frontend::RunAnalysis; break; 1371 case OPT_migrate: 1372 Opts.ProgramAction = frontend::MigrateSource; break; 1373 case OPT_Eonly: 1374 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1375 } 1376 } 1377 1378 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1379 Opts.Plugins.push_back(A->getValue(Args,0)); 1380 Opts.ProgramAction = frontend::PluginAction; 1381 Opts.ActionName = A->getValue(Args); 1382 1383 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1384 end = Args.filtered_end(); it != end; ++it) { 1385 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1386 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1387 } 1388 } 1389 1390 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1391 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1392 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1393 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1394 end = Args.filtered_end(); it != end; ++it) { 1395 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1396 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1397 } 1398 } 1399 1400 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1401 Opts.CodeCompletionAt = 1402 ParsedSourceLocation::FromString(A->getValue(Args)); 1403 if (Opts.CodeCompletionAt.FileName.empty()) 1404 Diags.Report(diag::err_drv_invalid_value) 1405 << A->getAsString(Args) << A->getValue(Args); 1406 } 1407 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1408 1409 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1410 Opts.Plugins = Args.getAllArgValues(OPT_load); 1411 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1412 Opts.ShowHelp = Args.hasArg(OPT_help); 1413 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1414 Opts.ShowCodePatternsInCodeCompletion 1415 = Args.hasArg(OPT_code_completion_patterns); 1416 Opts.ShowGlobalSymbolsInCodeCompletion 1417 = !Args.hasArg(OPT_no_code_completion_globals); 1418 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1419 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1420 Opts.ShowVersion = Args.hasArg(OPT_version); 1421 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1422 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1423 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1424 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1425 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1426 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1427 Opts.OverrideRecordLayoutsFile 1428 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1429 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1430 OPT_arcmt_modify, 1431 OPT_arcmt_migrate)) { 1432 switch (A->getOption().getID()) { 1433 default: 1434 llvm_unreachable("missed a case"); 1435 case OPT_arcmt_check: 1436 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1437 break; 1438 case OPT_arcmt_modify: 1439 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1440 break; 1441 case OPT_arcmt_migrate: 1442 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1443 break; 1444 } 1445 } 1446 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1447 Opts.ARCMTMigrateReportOut 1448 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1449 Opts.ARCMTMigrateEmitARCErrors 1450 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1451 1452 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1453 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1454 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1455 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1456 1457 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1458 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1459 Diags.Report(diag::err_drv_argument_not_allowed_with) 1460 << "ARC migration" << "ObjC migration"; 1461 } 1462 1463 InputKind DashX = IK_None; 1464 if (const Arg *A = Args.getLastArg(OPT_x)) { 1465 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1466 .Case("c", IK_C) 1467 .Case("cl", IK_OpenCL) 1468 .Case("cuda", IK_CUDA) 1469 .Case("c++", IK_CXX) 1470 .Case("objective-c", IK_ObjC) 1471 .Case("objective-c++", IK_ObjCXX) 1472 .Case("cpp-output", IK_PreprocessedC) 1473 .Case("assembler-with-cpp", IK_Asm) 1474 .Case("c++-cpp-output", IK_PreprocessedCXX) 1475 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1476 .Case("objc-cpp-output", IK_PreprocessedObjC) 1477 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1478 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1479 .Case("c-header", IK_C) 1480 .Case("cl-header", IK_OpenCL) 1481 .Case("objective-c-header", IK_ObjC) 1482 .Case("c++-header", IK_CXX) 1483 .Case("objective-c++-header", IK_ObjCXX) 1484 .Case("ast", IK_AST) 1485 .Case("ir", IK_LLVM_IR) 1486 .Default(IK_None); 1487 if (DashX == IK_None) 1488 Diags.Report(diag::err_drv_invalid_value) 1489 << A->getAsString(Args) << A->getValue(Args); 1490 } 1491 1492 // '-' is the default input if none is given. 1493 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1494 Opts.Inputs.clear(); 1495 if (Inputs.empty()) 1496 Inputs.push_back("-"); 1497 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1498 InputKind IK = DashX; 1499 if (IK == IK_None) { 1500 IK = FrontendOptions::getInputKindForExtension( 1501 StringRef(Inputs[i]).rsplit('.').second); 1502 // FIXME: Remove this hack. 1503 if (i == 0) 1504 DashX = IK; 1505 } 1506 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1507 } 1508 1509 return DashX; 1510 } 1511 1512 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1513 void *MainAddr) { 1514 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1515 1516 if (!P.isEmpty()) { 1517 P.eraseComponent(); // Remove /clang from foo/bin/clang 1518 P.eraseComponent(); // Remove /bin from foo/bin 1519 1520 // Get foo/lib/clang/<version>/include 1521 P.appendComponent("lib"); 1522 P.appendComponent("clang"); 1523 P.appendComponent(CLANG_VERSION_STRING); 1524 } 1525 1526 return P.str(); 1527 } 1528 1529 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1530 using namespace cc1options; 1531 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1532 Opts.Verbose = Args.hasArg(OPT_v); 1533 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1534 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1535 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1536 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1537 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1538 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1539 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1540 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1541 1542 // Add -I..., -F..., and -index-header-map options in order. 1543 bool IsIndexHeaderMap = false; 1544 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1545 OPT_index_header_map), 1546 ie = Args.filtered_end(); it != ie; ++it) { 1547 if ((*it)->getOption().matches(OPT_index_header_map)) { 1548 // -index-header-map applies to the next -I or -F. 1549 IsIndexHeaderMap = true; 1550 continue; 1551 } 1552 1553 frontend::IncludeDirGroup Group 1554 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1555 1556 Opts.AddPath((*it)->getValue(Args), Group, true, 1557 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1558 IsIndexHeaderMap = false; 1559 } 1560 1561 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1562 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1563 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1564 OPT_iwithprefixbefore), 1565 ie = Args.filtered_end(); it != ie; ++it) { 1566 const Arg *A = *it; 1567 if (A->getOption().matches(OPT_iprefix)) 1568 Prefix = A->getValue(Args); 1569 else if (A->getOption().matches(OPT_iwithprefix)) 1570 Opts.AddPath(Prefix.str() + A->getValue(Args), 1571 frontend::System, false, false, false); 1572 else 1573 Opts.AddPath(Prefix.str() + A->getValue(Args), 1574 frontend::Angled, false, false, false); 1575 } 1576 1577 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1578 ie = Args.filtered_end(); it != ie; ++it) 1579 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1580 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1581 ie = Args.filtered_end(); it != ie; ++it) 1582 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1583 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1584 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1585 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1586 !(*it)->getOption().matches(OPT_iwithsysroot)); 1587 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1588 ie = Args.filtered_end(); it != ie; ++it) 1589 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1590 true); 1591 1592 // Add the paths for the various language specific isystem flags. 1593 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1594 ie = Args.filtered_end(); it != ie; ++it) 1595 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1596 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1597 ie = Args.filtered_end(); it != ie; ++it) 1598 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1599 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1600 ie = Args.filtered_end(); it != ie; ++it) 1601 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1602 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1603 ie = Args.filtered_end(); it != ie; ++it) 1604 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1605 true); 1606 1607 // Add the internal paths from a driver that detects standard include paths. 1608 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1609 OPT_internal_externc_isystem), 1610 E = Args.filtered_end(); 1611 I != E; ++I) 1612 Opts.AddPath((*I)->getValue(Args), frontend::System, 1613 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1614 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1615 } 1616 1617 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1618 LangStandard::Kind LangStd) { 1619 // Set some properties which depend solely on the input kind; it would be nice 1620 // to move these to the language standard, and have the driver resolve the 1621 // input kind + language standard. 1622 if (IK == IK_Asm) { 1623 Opts.AsmPreprocessor = 1; 1624 } else if (IK == IK_ObjC || 1625 IK == IK_ObjCXX || 1626 IK == IK_PreprocessedObjC || 1627 IK == IK_PreprocessedObjCXX) { 1628 Opts.ObjC1 = Opts.ObjC2 = 1; 1629 } 1630 1631 if (LangStd == LangStandard::lang_unspecified) { 1632 // Based on the base language, pick one. 1633 switch (IK) { 1634 case IK_None: 1635 case IK_AST: 1636 case IK_LLVM_IR: 1637 llvm_unreachable("Invalid input kind!"); 1638 case IK_OpenCL: 1639 LangStd = LangStandard::lang_opencl; 1640 break; 1641 case IK_CUDA: 1642 LangStd = LangStandard::lang_cuda; 1643 break; 1644 case IK_Asm: 1645 case IK_C: 1646 case IK_PreprocessedC: 1647 case IK_ObjC: 1648 case IK_PreprocessedObjC: 1649 LangStd = LangStandard::lang_gnu99; 1650 break; 1651 case IK_CXX: 1652 case IK_PreprocessedCXX: 1653 case IK_ObjCXX: 1654 case IK_PreprocessedObjCXX: 1655 LangStd = LangStandard::lang_gnucxx98; 1656 break; 1657 } 1658 } 1659 1660 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1661 Opts.BCPLComment = Std.hasBCPLComments(); 1662 Opts.C99 = Std.isC99(); 1663 Opts.C11 = Std.isC11(); 1664 Opts.CPlusPlus = Std.isCPlusPlus(); 1665 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1666 Opts.Digraphs = Std.hasDigraphs(); 1667 Opts.GNUMode = Std.isGNUMode(); 1668 Opts.GNUInline = !Std.isC99(); 1669 Opts.HexFloats = Std.hasHexFloats(); 1670 Opts.ImplicitInt = Std.hasImplicitInt(); 1671 1672 // OpenCL has some additional defaults. 1673 if (LangStd == LangStandard::lang_opencl) { 1674 Opts.OpenCL = 1; 1675 Opts.AltiVec = 0; 1676 Opts.CXXOperatorNames = 1; 1677 Opts.LaxVectorConversions = 0; 1678 Opts.DefaultFPContract = 1; 1679 } 1680 1681 if (LangStd == LangStandard::lang_cuda) 1682 Opts.CUDA = 1; 1683 1684 // OpenCL and C++ both have bool, true, false keywords. 1685 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1686 1687 Opts.GNUKeywords = Opts.GNUMode; 1688 Opts.CXXOperatorNames = Opts.CPlusPlus; 1689 1690 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1691 // is specified, or -std is set to a conforming mode. 1692 Opts.Trigraphs = !Opts.GNUMode; 1693 1694 Opts.DollarIdents = !Opts.AsmPreprocessor; 1695 } 1696 1697 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1698 DiagnosticsEngine &Diags) { 1699 // FIXME: Cleanup per-file based stuff. 1700 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1701 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1702 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1703 #define LANGSTANDARD(id, name, desc, features) \ 1704 .Case(name, LangStandard::lang_##id) 1705 #include "clang/Frontend/LangStandards.def" 1706 .Default(LangStandard::lang_unspecified); 1707 if (LangStd == LangStandard::lang_unspecified) 1708 Diags.Report(diag::err_drv_invalid_value) 1709 << A->getAsString(Args) << A->getValue(Args); 1710 else { 1711 // Valid standard, check to make sure language and standard are compatable. 1712 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1713 switch (IK) { 1714 case IK_C: 1715 case IK_ObjC: 1716 case IK_PreprocessedC: 1717 case IK_PreprocessedObjC: 1718 if (!(Std.isC89() || Std.isC99())) 1719 Diags.Report(diag::err_drv_argument_not_allowed_with) 1720 << A->getAsString(Args) << "C/ObjC"; 1721 break; 1722 case IK_CXX: 1723 case IK_ObjCXX: 1724 case IK_PreprocessedCXX: 1725 case IK_PreprocessedObjCXX: 1726 if (!Std.isCPlusPlus()) 1727 Diags.Report(diag::err_drv_argument_not_allowed_with) 1728 << A->getAsString(Args) << "C++/ObjC++"; 1729 break; 1730 case IK_OpenCL: 1731 if (!Std.isC99()) 1732 Diags.Report(diag::err_drv_argument_not_allowed_with) 1733 << A->getAsString(Args) << "OpenCL"; 1734 break; 1735 case IK_CUDA: 1736 if (!Std.isCPlusPlus()) 1737 Diags.Report(diag::err_drv_argument_not_allowed_with) 1738 << A->getAsString(Args) << "CUDA"; 1739 break; 1740 default: 1741 break; 1742 } 1743 } 1744 } 1745 1746 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1747 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1748 Diags.Report(diag::err_drv_invalid_value) 1749 << A->getAsString(Args) << A->getValue(Args); 1750 } 1751 } 1752 1753 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1754 1755 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1756 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1757 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1758 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1759 // name, as it doesn't seem a useful distinction. 1760 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1761 Opts.GNUKeywords); 1762 1763 if (Args.hasArg(OPT_fno_operator_names)) 1764 Opts.CXXOperatorNames = 0; 1765 1766 if (Opts.ObjC1) { 1767 if (Args.hasArg(OPT_fobjc_gc_only)) 1768 Opts.setGC(LangOptions::GCOnly); 1769 else if (Args.hasArg(OPT_fobjc_gc)) 1770 Opts.setGC(LangOptions::HybridGC); 1771 else if (Args.hasArg(OPT_fobjc_arc)) { 1772 Opts.ObjCAutoRefCount = 1; 1773 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1774 Diags.Report(diag::err_arc_nonfragile_abi); 1775 } 1776 1777 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1778 Opts.ObjCRuntimeHasWeak = 1; 1779 1780 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1781 Opts.ObjCInferRelatedResultType = 0; 1782 } 1783 1784 if (Args.hasArg(OPT_fgnu89_inline)) 1785 Opts.GNUInline = 1; 1786 1787 if (Args.hasArg(OPT_fapple_kext)) { 1788 if (!Opts.CPlusPlus) 1789 Diags.Report(diag::warn_c_kext); 1790 else 1791 Opts.AppleKext = 1; 1792 } 1793 1794 if (Args.hasArg(OPT_print_ivar_layout)) 1795 Opts.ObjCGCBitmapPrint = 1; 1796 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1797 Opts.NoConstantCFStrings = 1; 1798 1799 if (Args.hasArg(OPT_faltivec)) 1800 Opts.AltiVec = 1; 1801 1802 if (Args.hasArg(OPT_pthread)) 1803 Opts.POSIXThreads = 1; 1804 1805 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1806 Opts.DelayedTemplateParsing = 1; 1807 1808 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1809 if (Vis == "default") 1810 Opts.setVisibilityMode(DefaultVisibility); 1811 else if (Vis == "hidden") 1812 Opts.setVisibilityMode(HiddenVisibility); 1813 else if (Vis == "protected") 1814 // FIXME: diagnose if target does not support protected visibility 1815 Opts.setVisibilityMode(ProtectedVisibility); 1816 else 1817 Diags.Report(diag::err_drv_invalid_value) 1818 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1819 1820 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1821 Opts.InlineVisibilityHidden = 1; 1822 1823 if (Args.hasArg(OPT_ftrapv)) { 1824 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1825 // Set the handler, if one is specified. 1826 Opts.OverflowHandler = 1827 Args.getLastArgValue(OPT_ftrapv_handler); 1828 } 1829 else if (Args.hasArg(OPT_fwrapv)) 1830 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1831 1832 if (Args.hasArg(OPT_trigraphs)) 1833 Opts.Trigraphs = 1; 1834 1835 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1836 OPT_fno_dollars_in_identifiers, 1837 Opts.DollarIdents); 1838 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1839 Opts.MicrosoftExt 1840 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1841 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1842 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1843 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1844 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1845 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1846 Opts.ConstStrings); 1847 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1848 Opts.LaxVectorConversions = 0; 1849 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1850 Opts.ThreadsafeStatics = 0; 1851 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1852 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1853 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1854 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1855 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1856 1857 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1858 Opts.Blocks = Args.hasArg(OPT_fblocks); 1859 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1860 Opts.Modules = Args.hasArg(OPT_fmodules); 1861 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1862 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1863 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1864 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1865 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1866 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1867 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1868 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1869 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1870 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1871 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1872 Diags); 1873 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1874 Diags); 1875 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1876 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1877 0, Diags); 1878 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1879 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1880 Opts.ObjCConstantStringClass = 1881 Args.getLastArgValue(OPT_fconstant_string_class); 1882 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1883 if (Opts.ObjCNonFragileABI) 1884 Opts.ObjCNonFragileABI2 = true; 1885 Opts.ObjCDefaultSynthProperties = 1886 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1887 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1888 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1889 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1890 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1891 Opts.Static = Args.hasArg(OPT_static_define); 1892 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1893 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1894 || Args.hasArg(OPT_fdump_record_layouts); 1895 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1896 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1897 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1898 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1899 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1900 Opts.MRTD = Args.hasArg(OPT_mrtd); 1901 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1902 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1903 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1904 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1905 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1906 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1907 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1908 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1909 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1910 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1911 1912 // Record whether the __DEPRECATED define was requested. 1913 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1914 OPT_fno_deprecated_macro, 1915 Opts.Deprecated); 1916 1917 // FIXME: Eliminate this dependency. 1918 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1919 Opts.Optimize = Opt != 0; 1920 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1921 1922 // This is the __NO_INLINE__ define, which just depends on things like the 1923 // optimization level and -fno-inline, not actually whether the backend has 1924 // inlining enabled. 1925 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1926 1927 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1928 1929 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1930 switch (SSP) { 1931 default: 1932 Diags.Report(diag::err_drv_invalid_value) 1933 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1934 break; 1935 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1936 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1937 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1938 } 1939 } 1940 1941 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1942 FileManager &FileMgr, 1943 DiagnosticsEngine &Diags) { 1944 using namespace cc1options; 1945 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1946 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1947 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1948 Opts.TokenCache = A->getValue(Args); 1949 else 1950 Opts.TokenCache = Opts.ImplicitPTHInclude; 1951 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1952 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1953 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1954 1955 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1956 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1957 ie = Args.filtered_end(); it != ie; ++it) { 1958 const Arg *A = *it; 1959 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1960 } 1961 1962 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1963 StringRef Value(A->getValue(Args)); 1964 size_t Comma = Value.find(','); 1965 unsigned Bytes = 0; 1966 unsigned EndOfLine = 0; 1967 1968 if (Comma == StringRef::npos || 1969 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1970 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1971 Diags.Report(diag::err_drv_preamble_format); 1972 else { 1973 Opts.PrecompiledPreambleBytes.first = Bytes; 1974 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1975 } 1976 } 1977 1978 // Add macros from the command line. 1979 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1980 ie = Args.filtered_end(); it != ie; ++it) { 1981 if ((*it)->getOption().matches(OPT_D)) 1982 Opts.addMacroDef((*it)->getValue(Args)); 1983 else 1984 Opts.addMacroUndef((*it)->getValue(Args)); 1985 } 1986 1987 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1988 1989 // Add the ordered list of -includes. 1990 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1991 OPT_include_pth), 1992 ie = Args.filtered_end(); it != ie; ++it) { 1993 const Arg *A = *it; 1994 // PCH is handled specially, we need to extra the original include path. 1995 if (A->getOption().matches(OPT_include_pch)) { 1996 std::string OriginalFile = 1997 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1998 if (OriginalFile.empty()) 1999 continue; 2000 2001 Opts.Includes.push_back(OriginalFile); 2002 } else 2003 Opts.Includes.push_back(A->getValue(Args)); 2004 } 2005 2006 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2007 ie = Args.filtered_end(); it != ie; ++it) { 2008 const Arg *A = *it; 2009 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2010 } 2011 2012 // Include 'altivec.h' if -faltivec option present 2013 if (Args.hasArg(OPT_faltivec)) 2014 Opts.Includes.push_back("altivec.h"); 2015 2016 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2017 ie = Args.filtered_end(); it != ie; ++it) { 2018 const Arg *A = *it; 2019 std::pair<StringRef,StringRef> Split = 2020 StringRef(A->getValue(Args)).split(';'); 2021 2022 if (Split.second.empty()) { 2023 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2024 continue; 2025 } 2026 2027 Opts.addRemappedFile(Split.first, Split.second); 2028 } 2029 2030 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2031 StringRef Name = A->getValue(Args); 2032 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2033 .Case("libc++", ARCXX_libcxx) 2034 .Case("libstdc++", ARCXX_libstdcxx) 2035 .Case("none", ARCXX_nolib) 2036 .Default(~0U); 2037 if (Library == ~0U) 2038 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2039 else 2040 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2041 } 2042 } 2043 2044 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2045 ArgList &Args) { 2046 using namespace cc1options; 2047 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2048 Opts.ShowComments = Args.hasArg(OPT_C); 2049 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2050 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2051 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2052 } 2053 2054 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2055 using namespace cc1options; 2056 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2057 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2058 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2059 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2060 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2061 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2062 2063 // Use the default target triple if unspecified. 2064 if (Opts.Triple.empty()) 2065 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2066 } 2067 2068 // 2069 2070 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2071 const char *const *ArgBegin, 2072 const char *const *ArgEnd, 2073 DiagnosticsEngine &Diags) { 2074 bool Success = true; 2075 2076 // Parse the arguments. 2077 OwningPtr<OptTable> Opts(createCC1OptTable()); 2078 unsigned MissingArgIndex, MissingArgCount; 2079 OwningPtr<InputArgList> Args( 2080 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2081 2082 // Check for missing argument error. 2083 if (MissingArgCount) { 2084 Diags.Report(diag::err_drv_missing_argument) 2085 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2086 Success = false; 2087 } 2088 2089 // Issue errors on unknown arguments. 2090 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2091 ie = Args->filtered_end(); it != ie; ++it) { 2092 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2093 Success = false; 2094 } 2095 2096 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2097 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2098 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2099 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2100 && Success; 2101 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2102 // FIXME: We shouldn't have to pass the DashX option around here 2103 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2104 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2105 && Success; 2106 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2107 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2108 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2109 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2110 Res.getLangOpts()->ObjCExceptions = 1; 2111 } 2112 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2113 // PCH file and find the original header name. Remove the need to do that in 2114 // ParsePreprocessorArgs and remove the FileManager 2115 // parameters from the function and the "FileManager.h" #include. 2116 FileManager FileMgr(Res.getFileSystemOpts()); 2117 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2118 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2119 ParseTargetArgs(Res.getTargetOpts(), *Args); 2120 2121 return Success; 2122 } 2123 2124 namespace { 2125 2126 class ModuleSignature { 2127 llvm::SmallVector<uint64_t, 16> Data; 2128 unsigned CurBit; 2129 uint64_t CurValue; 2130 2131 public: 2132 ModuleSignature() : CurBit(0), CurValue(0) { } 2133 2134 void add(uint64_t Value, unsigned Bits); 2135 void add(StringRef Value); 2136 void flush(); 2137 2138 llvm::APInt getAsInteger() const; 2139 }; 2140 } 2141 2142 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2143 CurValue |= Value << CurBit; 2144 if (CurBit + NumBits < 64) { 2145 CurBit += NumBits; 2146 return; 2147 } 2148 2149 // Add the current word. 2150 Data.push_back(CurValue); 2151 2152 if (CurBit) 2153 CurValue = Value >> (64-CurBit); 2154 else 2155 CurValue = 0; 2156 CurBit = (CurBit+NumBits) & 63; 2157 } 2158 2159 void ModuleSignature::flush() { 2160 if (CurBit == 0) 2161 return; 2162 2163 Data.push_back(CurValue); 2164 CurBit = 0; 2165 CurValue = 0; 2166 } 2167 2168 void ModuleSignature::add(StringRef Value) { 2169 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2170 add(*I, 8); 2171 } 2172 2173 llvm::APInt ModuleSignature::getAsInteger() const { 2174 return llvm::APInt(Data.size() * 64, Data); 2175 } 2176 2177 std::string CompilerInvocation::getModuleHash() const { 2178 ModuleSignature Signature; 2179 2180 // Start the signature with the compiler version. 2181 // FIXME: The full version string can be quite long. Omit it from the 2182 // module hash for now to avoid failures where the path name becomes too 2183 // long. An MD5 or similar checksum would work well here. 2184 // Signature.add(getClangFullRepositoryVersion()); 2185 2186 // Extend the signature with the language options 2187 #define LANGOPT(Name, Bits, Default, Description) \ 2188 Signature.add(LangOpts->Name, Bits); 2189 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2190 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2191 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2192 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2193 #include "clang/Basic/LangOptions.def" 2194 2195 // Extend the signature with the target triple 2196 llvm::Triple T(TargetOpts.Triple); 2197 Signature.add((unsigned)T.getArch(), 5); 2198 Signature.add((unsigned)T.getVendor(), 4); 2199 Signature.add((unsigned)T.getOS(), 5); 2200 Signature.add((unsigned)T.getEnvironment(), 4); 2201 2202 // Extend the signature with preprocessor options. 2203 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2204 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2205 2206 // Hash the preprocessor defines. 2207 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2208 std::vector<StringRef> MacroDefs; 2209 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2210 I = getPreprocessorOpts().Macros.begin(), 2211 IEnd = getPreprocessorOpts().Macros.end(); 2212 I != IEnd; ++I) { 2213 if (!I->second) 2214 MacroDefs.push_back(I->first); 2215 } 2216 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2217 2218 unsigned PPHashResult = 0; 2219 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2220 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2221 Signature.add(PPHashResult, 32); 2222 2223 // We've generated the signature. Treat it as one large APInt that we'll 2224 // encode in base-36 and return. 2225 Signature.flush(); 2226 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2227 } 2228