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()) {} 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 if (Opts.NoRetryExhausted) 171 Res.push_back("-analyzer-disable-retry-exhausted"); 172 173 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 174 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 175 if (opt.second) 176 Res.push_back("-analyzer-disable-checker"); 177 else 178 Res.push_back("-analyzer-checker"); 179 Res.push_back(opt.first); 180 } 181 } 182 183 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 184 switch (Opts.DebugInfo) { 185 case CodeGenOptions::NoDebugInfo: 186 break; 187 case CodeGenOptions::DebugLineTablesOnly: 188 Res.push_back("-gline-tables-only"); 189 break; 190 case CodeGenOptions::LimitedDebugInfo: 191 Res.push_back("-g"); 192 Res.push_back("-flimit-debug-info"); 193 break; 194 case CodeGenOptions::FullDebugInfo: 195 Res.push_back("-g"); 196 Res.push_back("-fno-limit-debug-info"); 197 break; 198 } 199 if (Opts.DisableLLVMOpts) 200 Res.push_back("-disable-llvm-optzns"); 201 if (Opts.DisableRedZone) 202 Res.push_back("-disable-red-zone"); 203 if (Opts.DisableTailCalls) 204 Res.push_back("-mdisable-tail-calls"); 205 if (!Opts.DebugCompilationDir.empty()) 206 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 207 if (!Opts.DwarfDebugFlags.empty()) 208 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 209 if (Opts.ObjCRuntimeHasARC) 210 Res.push_back("-fobjc-runtime-has-arc"); 211 if (Opts.ObjCRuntimeHasTerminate) 212 Res.push_back("-fobjc-runtime-has-terminate"); 213 if (Opts.EmitGcovArcs) 214 Res.push_back("-femit-coverage-data"); 215 if (Opts.EmitGcovNotes) 216 Res.push_back("-femit-coverage-notes"); 217 if (!Opts.MergeAllConstants) 218 Res.push_back("-fno-merge-all-constants"); 219 if (Opts.NoCommon) 220 Res.push_back("-fno-common"); 221 if (Opts.ForbidGuardVariables) 222 Res.push_back("-fforbid-guard-variables"); 223 if (Opts.UseRegisterSizedBitfieldAccess) 224 Res.push_back("-fuse-register-sized-bitfield-access"); 225 if (Opts.NoImplicitFloat) 226 Res.push_back("-no-implicit-float"); 227 if (Opts.OmitLeafFramePointer) 228 Res.push_back("-momit-leaf-frame-pointer"); 229 if (Opts.OptimizeSize) { 230 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 231 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 232 } else if (Opts.OptimizationLevel != 0) 233 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 234 if (!Opts.MainFileName.empty()) 235 Res.push_back("-main-file-name", Opts.MainFileName); 236 if (Opts.NoInfsFPMath) 237 Res.push_back("-menable-no-infinities"); 238 if (Opts.NoNaNsFPMath) 239 Res.push_back("-menable-no-nans"); 240 // SimplifyLibCalls is only derived. 241 // TimePasses is only derived. 242 // UnitAtATime is unused. 243 // Inlining is only derived. 244 245 // UnrollLoops is derived, but also accepts an option, no 246 // harm in pushing it back here. 247 if (Opts.UnrollLoops) 248 Res.push_back("-funroll-loops"); 249 if (Opts.DataSections) 250 Res.push_back("-fdata-sections"); 251 if (Opts.FunctionSections) 252 Res.push_back("-ffunction-sections"); 253 if (Opts.AsmVerbose) 254 Res.push_back("-masm-verbose"); 255 if (!Opts.CodeModel.empty()) 256 Res.push_back("-mcode-model", Opts.CodeModel); 257 if (Opts.CUDAIsDevice) 258 Res.push_back("-fcuda-is-device"); 259 if (!Opts.CXAAtExit) 260 Res.push_back("-fno-use-cxa-atexit"); 261 if (Opts.CXXCtorDtorAliases) 262 Res.push_back("-mconstructor-aliases"); 263 if (Opts.ObjCAutoRefCountExceptions) 264 Res.push_back("-fobjc-arc-eh"); 265 if (!Opts.DebugPass.empty()) { 266 Res.push_back("-mdebug-pass", Opts.DebugPass); 267 } 268 if (Opts.DisableFPElim) 269 Res.push_back("-mdisable-fp-elim"); 270 if (!Opts.FloatABI.empty()) 271 Res.push_back("-mfloat-abi", Opts.FloatABI); 272 if (!Opts.LimitFloatPrecision.empty()) 273 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 274 if (Opts.NoZeroInitializedInBSS) 275 Res.push_back("-mno-zero-initialized-bss"); 276 switch (Opts.getObjCDispatchMethod()) { 277 case CodeGenOptions::Legacy: 278 break; 279 case CodeGenOptions::Mixed: 280 Res.push_back("-fobjc-dispatch-method=mixed"); 281 break; 282 case CodeGenOptions::NonLegacy: 283 Res.push_back("-fobjc-dispatch-method=non-legacy"); 284 break; 285 } 286 if (Opts.NumRegisterParameters) 287 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 288 if (Opts.NoGlobalMerge) 289 Res.push_back("-mno-global-merge"); 290 if (Opts.NoExecStack) 291 Res.push_back("-mnoexecstack"); 292 if (Opts.RelaxAll) 293 Res.push_back("-mrelax-all"); 294 if (Opts.SaveTempLabels) 295 Res.push_back("-msave-temp-labels"); 296 if (Opts.NoDwarf2CFIAsm) 297 Res.push_back("-fno-dwarf2-cfi-asm"); 298 if (Opts.NoDwarfDirectoryAsm) 299 Res.push_back("-fno-dwarf-directory-asm"); 300 if (Opts.SoftFloat) 301 Res.push_back("-msoft-float"); 302 if (Opts.StrictEnums) 303 Res.push_back("-fstrict-enums"); 304 if (Opts.UnwindTables) 305 Res.push_back("-munwind-tables"); 306 if (Opts.RelocationModel != "pic") 307 Res.push_back("-mrelocation-model", Opts.RelocationModel); 308 if (!Opts.VerifyModule) 309 Res.push_back("-disable-llvm-verifier"); 310 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 311 Res.push_back("-backend-option", Opts.BackendOptions[i]); 312 } 313 314 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 315 ToArgsList &Res) { 316 if (Opts.IncludeSystemHeaders) 317 Res.push_back("-sys-header-deps"); 318 if (Opts.ShowHeaderIncludes) 319 Res.push_back("-H"); 320 if (!Opts.HeaderIncludeOutputFile.empty()) 321 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 322 if (Opts.UsePhonyTargets) 323 Res.push_back("-MP"); 324 if (!Opts.OutputFile.empty()) 325 Res.push_back("-dependency-file", Opts.OutputFile); 326 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 327 Res.push_back("-MT", Opts.Targets[i]); 328 } 329 330 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 331 ToArgsList &Res) { 332 if (Opts.IgnoreWarnings) 333 Res.push_back("-w"); 334 if (Opts.NoRewriteMacros) 335 Res.push_back("-Wno-rewrite-macros"); 336 if (Opts.Pedantic) 337 Res.push_back("-pedantic"); 338 if (Opts.PedanticErrors) 339 Res.push_back("-pedantic-errors"); 340 if (!Opts.ShowColumn) 341 Res.push_back("-fno-show-column"); 342 if (!Opts.ShowLocation) 343 Res.push_back("-fno-show-source-location"); 344 if (!Opts.ShowCarets) 345 Res.push_back("-fno-caret-diagnostics"); 346 if (!Opts.ShowFixits) 347 Res.push_back("-fno-diagnostics-fixit-info"); 348 if (Opts.ShowSourceRanges) 349 Res.push_back("-fdiagnostics-print-source-range-info"); 350 if (Opts.ShowParseableFixits) 351 Res.push_back("-fdiagnostics-parseable-fixits"); 352 if (Opts.ShowColors) 353 Res.push_back("-fcolor-diagnostics"); 354 if (Opts.VerifyDiagnostics) 355 Res.push_back("-verify"); 356 if (Opts.ShowOptionNames) 357 Res.push_back("-fdiagnostics-show-option"); 358 if (Opts.ShowCategories == 1) 359 Res.push_back("-fdiagnostics-show-category=id"); 360 else if (Opts.ShowCategories == 2) 361 Res.push_back("-fdiagnostics-show-category=name"); 362 switch (Opts.Format) { 363 case DiagnosticOptions::Clang: 364 Res.push_back("-fdiagnostics-format=clang"); break; 365 case DiagnosticOptions::Msvc: 366 Res.push_back("-fdiagnostics-format=msvc"); break; 367 case DiagnosticOptions::Vi: 368 Res.push_back("-fdiagnostics-format=vi"); break; 369 } 370 if (Opts.ErrorLimit) 371 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 372 if (!Opts.DiagnosticLogFile.empty()) 373 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 374 if (Opts.MacroBacktraceLimit 375 != DiagnosticOptions::DefaultMacroBacktraceLimit) 376 Res.push_back("-fmacro-backtrace-limit", 377 llvm::utostr(Opts.MacroBacktraceLimit)); 378 if (Opts.TemplateBacktraceLimit 379 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 380 Res.push_back("-ftemplate-backtrace-limit", 381 llvm::utostr(Opts.TemplateBacktraceLimit)); 382 if (Opts.ConstexprBacktraceLimit 383 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 384 Res.push_back("-fconstexpr-backtrace-limit", 385 llvm::utostr(Opts.ConstexprBacktraceLimit)); 386 387 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 388 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 389 if (Opts.MessageLength) 390 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 391 if (!Opts.DumpBuildInformation.empty()) 392 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 393 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 394 Res.push_back("-W" + Opts.Warnings[i]); 395 } 396 397 static const char *getInputKindName(InputKind Kind) { 398 switch (Kind) { 399 case IK_None: break; 400 case IK_AST: return "ast"; 401 case IK_Asm: return "assembler-with-cpp"; 402 case IK_C: return "c"; 403 case IK_CXX: return "c++"; 404 case IK_LLVM_IR: return "ir"; 405 case IK_ObjC: return "objective-c"; 406 case IK_ObjCXX: return "objective-c++"; 407 case IK_OpenCL: return "cl"; 408 case IK_CUDA: return "cuda"; 409 case IK_PreprocessedC: return "cpp-output"; 410 case IK_PreprocessedCXX: return "c++-cpp-output"; 411 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 412 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 413 } 414 415 llvm_unreachable("Unexpected language kind!"); 416 } 417 418 static const char *getActionName(frontend::ActionKind Kind) { 419 switch (Kind) { 420 case frontend::PluginAction: 421 llvm_unreachable("Invalid kind!"); 422 423 case frontend::ASTDump: return "-ast-dump"; 424 case frontend::ASTDumpXML: return "-ast-dump-xml"; 425 case frontend::ASTPrint: return "-ast-print"; 426 case frontend::ASTView: return "-ast-view"; 427 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 428 case frontend::DumpTokens: return "-dump-tokens"; 429 case frontend::EmitAssembly: return "-S"; 430 case frontend::EmitBC: return "-emit-llvm-bc"; 431 case frontend::EmitHTML: return "-emit-html"; 432 case frontend::EmitLLVM: return "-emit-llvm"; 433 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 434 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 435 case frontend::EmitObj: return "-emit-obj"; 436 case frontend::FixIt: return "-fixit"; 437 case frontend::GenerateModule: return "-emit-module"; 438 case frontend::GeneratePCH: return "-emit-pch"; 439 case frontend::GeneratePTH: return "-emit-pth"; 440 case frontend::InitOnly: return "-init-only"; 441 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 442 case frontend::PrintDeclContext: return "-print-decl-contexts"; 443 case frontend::PrintPreamble: return "-print-preamble"; 444 case frontend::PrintPreprocessedInput: return "-E"; 445 case frontend::RewriteMacros: return "-rewrite-macros"; 446 case frontend::RewriteObjC: return "-rewrite-objc"; 447 case frontend::RewriteTest: return "-rewrite-test"; 448 case frontend::RunAnalysis: return "-analyze"; 449 case frontend::MigrateSource: return "-migrate"; 450 case frontend::RunPreprocessorOnly: return "-Eonly"; 451 } 452 453 llvm_unreachable("Unexpected language kind!"); 454 } 455 456 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 457 if (!Opts.WorkingDir.empty()) 458 Res.push_back("-working-directory", Opts.WorkingDir); 459 } 460 461 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 462 if (Opts.DisableFree) 463 Res.push_back("-disable-free"); 464 if (Opts.RelocatablePCH) 465 Res.push_back("-relocatable-pch"); 466 if (Opts.ShowHelp) 467 Res.push_back("-help"); 468 if (Opts.ShowMacrosInCodeCompletion) 469 Res.push_back("-code-completion-macros"); 470 if (Opts.ShowCodePatternsInCodeCompletion) 471 Res.push_back("-code-completion-patterns"); 472 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 473 Res.push_back("-no-code-completion-globals"); 474 if (Opts.ShowStats) 475 Res.push_back("-print-stats"); 476 if (Opts.ShowTimers) 477 Res.push_back("-ftime-report"); 478 if (Opts.ShowVersion) 479 Res.push_back("-version"); 480 if (Opts.FixWhatYouCan) 481 Res.push_back("-fix-what-you-can"); 482 if (Opts.FixOnlyWarnings) 483 Res.push_back("-fix-only-warnings"); 484 if (Opts.FixAndRecompile) 485 Res.push_back("-fixit-recompile"); 486 if (Opts.FixToTemporaries) 487 Res.push_back("-fixit-to-temporary"); 488 switch (Opts.ARCMTAction) { 489 case FrontendOptions::ARCMT_None: 490 break; 491 case FrontendOptions::ARCMT_Check: 492 Res.push_back("-arcmt-check"); 493 break; 494 case FrontendOptions::ARCMT_Modify: 495 Res.push_back("-arcmt-modify"); 496 break; 497 case FrontendOptions::ARCMT_Migrate: 498 Res.push_back("-arcmt-migrate"); 499 break; 500 } 501 if (!Opts.MTMigrateDir.empty()) 502 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 503 if (!Opts.ARCMTMigrateReportOut.empty()) 504 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 505 if (Opts.ARCMTMigrateEmitARCErrors) 506 Res.push_back("-arcmt-migrate-emit-errors"); 507 508 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 509 Res.push_back("-objcmt-migrate-literals"); 510 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 511 Res.push_back("-objcmt-migrate-subscripting"); 512 513 bool NeedLang = false; 514 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 515 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 516 Opts.Inputs[i].Kind) 517 NeedLang = true; 518 if (NeedLang) 519 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 520 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 521 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 522 "Unable to represent this input vector!"); 523 Res.push_back(Opts.Inputs[i].File); 524 } 525 526 if (!Opts.OutputFile.empty()) 527 Res.push_back("-o", Opts.OutputFile); 528 if (!Opts.CodeCompletionAt.FileName.empty()) 529 Res.push_back("-code-completion-at", 530 Opts.CodeCompletionAt.FileName + ":" + 531 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 532 llvm::utostr(Opts.CodeCompletionAt.Column)); 533 if (Opts.ProgramAction != frontend::PluginAction) 534 Res.push_back(getActionName(Opts.ProgramAction)); 535 if (!Opts.ActionName.empty()) { 536 Res.push_back("-plugin", Opts.ActionName); 537 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 538 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 539 } 540 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 541 Res.push_back("-load", Opts.Plugins[i]); 542 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 543 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 544 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 545 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 546 Opts.AddPluginArgs[i][ai]); 547 } 548 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 549 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 550 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 551 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 552 if (!Opts.OverrideRecordLayoutsFile.empty()) 553 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 554 } 555 556 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 557 ToArgsList &Res) { 558 if (Opts.Sysroot != "/") { 559 Res.push_back("-isysroot"); 560 Res.push_back(Opts.Sysroot); 561 } 562 563 /// User specified include entries. 564 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 565 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 566 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 567 llvm::report_fatal_error("Invalid option set!"); 568 if (E.IsUserSupplied) { 569 switch (E.Group) { 570 case frontend::After: 571 Res.push_back("-idirafter"); 572 break; 573 574 case frontend::Quoted: 575 Res.push_back("-iquote"); 576 break; 577 578 case frontend::System: 579 Res.push_back("-isystem"); 580 break; 581 582 case frontend::IndexHeaderMap: 583 Res.push_back("-index-header-map"); 584 Res.push_back(E.IsFramework? "-F" : "-I"); 585 break; 586 587 case frontend::CSystem: 588 Res.push_back("-c-isystem"); 589 break; 590 591 case frontend::CXXSystem: 592 Res.push_back("-cxx-isystem"); 593 break; 594 595 case frontend::ObjCSystem: 596 Res.push_back("-objc-isystem"); 597 break; 598 599 case frontend::ObjCXXSystem: 600 Res.push_back("-objcxx-isystem"); 601 break; 602 603 case frontend::Angled: 604 Res.push_back(E.IsFramework ? "-F" : "-I"); 605 break; 606 } 607 } else { 608 if (E.IsInternal) { 609 assert(E.Group == frontend::System && "Unexpected header search group"); 610 if (E.ImplicitExternC) 611 Res.push_back("-internal-externc-isystem"); 612 else 613 Res.push_back("-internal-isystem"); 614 } else { 615 if (E.Group != frontend::Angled && E.Group != frontend::System) 616 llvm::report_fatal_error("Invalid option set!"); 617 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 618 "-iwithprefix"); 619 } 620 } 621 Res.push_back(E.Path); 622 } 623 624 if (!Opts.ResourceDir.empty()) 625 Res.push_back("-resource-dir", Opts.ResourceDir); 626 if (!Opts.ModuleCachePath.empty()) 627 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 628 if (!Opts.UseStandardSystemIncludes) 629 Res.push_back("-nostdsysteminc"); 630 if (!Opts.UseStandardCXXIncludes) 631 Res.push_back("-nostdinc++"); 632 if (Opts.UseLibcxx) 633 Res.push_back("-stdlib=libc++"); 634 if (Opts.Verbose) 635 Res.push_back("-v"); 636 } 637 638 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 639 LangOptions DefaultLangOpts; 640 641 // FIXME: Need to set -std to get all the implicit options. 642 643 // FIXME: We want to only pass options relative to the defaults, which 644 // requires constructing a target. :( 645 // 646 // It would be better to push the all target specific choices into the driver, 647 // so that everything below that was more uniform. 648 649 if (Opts.Trigraphs) 650 Res.push_back("-trigraphs"); 651 // Implicit based on the input kind: 652 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 653 // Implicit based on the input language standard: 654 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 655 if (Opts.DollarIdents) 656 Res.push_back("-fdollars-in-identifiers"); 657 if (Opts.GNUMode && !Opts.GNUKeywords) 658 Res.push_back("-fno-gnu-keywords"); 659 if (!Opts.GNUMode && Opts.GNUKeywords) 660 Res.push_back("-fgnu-keywords"); 661 if (Opts.MicrosoftExt) 662 Res.push_back("-fms-extensions"); 663 if (Opts.MicrosoftMode) 664 Res.push_back("-fms-compatibility"); 665 if (Opts.MSCVersion != 0) 666 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 667 if (Opts.Borland) 668 Res.push_back("-fborland-extensions"); 669 if (!Opts.ObjCNonFragileABI) 670 Res.push_back("-fobjc-fragile-abi"); 671 if (Opts.ObjCDefaultSynthProperties) 672 Res.push_back("-fobjc-default-synthesize-properties"); 673 // NoInline is implicit. 674 if (!Opts.CXXOperatorNames) 675 Res.push_back("-fno-operator-names"); 676 if (Opts.PascalStrings) 677 Res.push_back("-fpascal-strings"); 678 if (Opts.BoundsChecking > 0) 679 Res.push_back("-fbounds-checking=" + llvm::utostr(Opts.BoundsChecking)); 680 if (Opts.CatchUndefined) 681 Res.push_back("-fcatch-undefined-behavior"); 682 if (Opts.AddressSanitizer) 683 Res.push_back("-faddress-sanitizer"); 684 if (Opts.ThreadSanitizer) 685 Res.push_back("-fthread-sanitizer"); 686 if (Opts.WritableStrings) 687 Res.push_back("-fwritable-strings"); 688 if (Opts.ConstStrings) 689 Res.push_back("-fconst-strings"); 690 if (!Opts.LaxVectorConversions) 691 Res.push_back("-fno-lax-vector-conversions"); 692 if (Opts.AltiVec) 693 Res.push_back("-faltivec"); 694 if (Opts.Exceptions) 695 Res.push_back("-fexceptions"); 696 if (Opts.ObjCExceptions) 697 Res.push_back("-fobjc-exceptions"); 698 if (Opts.CXXExceptions) 699 Res.push_back("-fcxx-exceptions"); 700 if (Opts.SjLjExceptions) 701 Res.push_back("-fsjlj-exceptions"); 702 if (Opts.TraditionalCPP) 703 Res.push_back("-traditional-cpp"); 704 if (!Opts.RTTI) 705 Res.push_back("-fno-rtti"); 706 if (Opts.MSBitfields) 707 Res.push_back("-mms-bitfields"); 708 if (!Opts.NeXTRuntime) 709 Res.push_back("-fgnu-runtime"); 710 if (Opts.Freestanding) 711 Res.push_back("-ffreestanding"); 712 if (Opts.NoBuiltin) 713 Res.push_back("-fno-builtin"); 714 if (!Opts.AssumeSaneOperatorNew) 715 Res.push_back("-fno-assume-sane-operator-new"); 716 if (!Opts.ThreadsafeStatics) 717 Res.push_back("-fno-threadsafe-statics"); 718 if (Opts.POSIXThreads) 719 Res.push_back("-pthread"); 720 if (Opts.Blocks) 721 Res.push_back("-fblocks"); 722 if (Opts.BlocksRuntimeOptional) 723 Res.push_back("-fblocks-runtime-optional"); 724 if (Opts.Modules) 725 Res.push_back("-fmodules"); 726 if (Opts.EmitAllDecls) 727 Res.push_back("-femit-all-decls"); 728 if (Opts.MathErrno) 729 Res.push_back("-fmath-errno"); 730 switch (Opts.getSignedOverflowBehavior()) { 731 case LangOptions::SOB_Undefined: break; 732 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 733 case LangOptions::SOB_Trapping: 734 Res.push_back("-ftrapv"); 735 if (!Opts.OverflowHandler.empty()) 736 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 737 break; 738 } 739 if (Opts.HeinousExtensions) 740 Res.push_back("-fheinous-gnu-extensions"); 741 // Optimize is implicit. 742 // OptimizeSize is implicit. 743 if (Opts.FastMath) 744 Res.push_back("-ffast-math"); 745 if (Opts.Static) 746 Res.push_back("-static-define"); 747 if (Opts.DumpRecordLayoutsSimple) 748 Res.push_back("-fdump-record-layouts-simple"); 749 else if (Opts.DumpRecordLayouts) 750 Res.push_back("-fdump-record-layouts"); 751 if (Opts.DumpVTableLayouts) 752 Res.push_back("-fdump-vtable-layouts"); 753 if (Opts.NoBitFieldTypeAlign) 754 Res.push_back("-fno-bitfield-type-alignment"); 755 if (Opts.PICLevel) 756 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 757 if (Opts.PIELevel) 758 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 759 if (Opts.ObjCGCBitmapPrint) 760 Res.push_back("-print-ivar-layout"); 761 if (Opts.NoConstantCFStrings) 762 Res.push_back("-fno-constant-cfstrings"); 763 if (!Opts.AccessControl) 764 Res.push_back("-fno-access-control"); 765 if (!Opts.CharIsSigned) 766 Res.push_back("-fno-signed-char"); 767 if (Opts.ShortWChar) 768 Res.push_back("-fshort-wchar"); 769 if (!Opts.ElideConstructors) 770 Res.push_back("-fno-elide-constructors"); 771 if (Opts.getGC() != LangOptions::NonGC) { 772 if (Opts.getGC() == LangOptions::HybridGC) { 773 Res.push_back("-fobjc-gc"); 774 } else { 775 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 776 Res.push_back("-fobjc-gc-only"); 777 } 778 } 779 if (Opts.ObjCAutoRefCount) 780 Res.push_back("-fobjc-arc"); 781 if (Opts.ObjCRuntimeHasWeak) 782 Res.push_back("-fobjc-runtime-has-weak"); 783 if (!Opts.ObjCInferRelatedResultType) 784 Res.push_back("-fno-objc-infer-related-result-type"); 785 786 if (Opts.AppleKext) 787 Res.push_back("-fapple-kext"); 788 789 if (Opts.getVisibilityMode() != DefaultVisibility) { 790 Res.push_back("-fvisibility"); 791 if (Opts.getVisibilityMode() == HiddenVisibility) { 792 Res.push_back("hidden"); 793 } else { 794 assert(Opts.getVisibilityMode() == ProtectedVisibility && 795 "Invalid visibility!"); 796 Res.push_back("protected"); 797 } 798 } 799 if (Opts.InlineVisibilityHidden) 800 Res.push_back("-fvisibility-inlines-hidden"); 801 802 if (Opts.getStackProtector() != 0) 803 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 804 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 805 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 806 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 807 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 808 if (!Opts.ObjCConstantStringClass.empty()) 809 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 810 if (Opts.FakeAddressSpaceMap) 811 Res.push_back("-ffake-address-space-map"); 812 if (Opts.ParseUnknownAnytype) 813 Res.push_back("-funknown-anytype"); 814 if (Opts.DebuggerSupport) 815 Res.push_back("-fdebugger-support"); 816 if (Opts.DebuggerCastResultToId) 817 Res.push_back("-fdebugger-cast-result-to-id"); 818 if (Opts.DebuggerObjCLiteral) 819 Res.push_back("-fdebugger-objc-literal"); 820 if (Opts.DelayedTemplateParsing) 821 Res.push_back("-fdelayed-template-parsing"); 822 if (Opts.Deprecated) 823 Res.push_back("-fdeprecated-macro"); 824 if (Opts.ApplePragmaPack) 825 Res.push_back("-fapple-pragma-pack"); 826 if (!Opts.CurrentModule.empty()) 827 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 828 } 829 830 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 831 ToArgsList &Res) { 832 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 833 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 834 Opts.Macros[i].first); 835 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 836 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 837 Res.push_back("-include", Opts.Includes[i]); 838 } 839 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 840 Res.push_back("-imacros", Opts.MacroIncludes[i]); 841 if (!Opts.UsePredefines) 842 Res.push_back("-undef"); 843 if (Opts.DetailedRecord) 844 Res.push_back("-detailed-preprocessing-record"); 845 if (!Opts.ImplicitPCHInclude.empty()) 846 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 847 if (!Opts.ImplicitPTHInclude.empty()) 848 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 849 if (!Opts.TokenCache.empty()) { 850 if (Opts.ImplicitPTHInclude.empty()) 851 Res.push_back("-token-cache", Opts.TokenCache); 852 else 853 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 854 "Unsupported option combination!"); 855 } 856 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 857 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 858 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 859 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 860 Opts.RemappedFiles[i].second); 861 } 862 } 863 864 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 865 ToArgsList &Res) { 866 if (!Opts.ShowCPP && !Opts.ShowMacros) 867 llvm::report_fatal_error("Invalid option combination!"); 868 869 if (Opts.ShowCPP && Opts.ShowMacros) 870 Res.push_back("-dD"); 871 else if (!Opts.ShowCPP && Opts.ShowMacros) 872 Res.push_back("-dM"); 873 874 if (!Opts.ShowLineMarkers) 875 Res.push_back("-P"); 876 if (Opts.ShowComments) 877 Res.push_back("-C"); 878 if (Opts.ShowMacroComments) 879 Res.push_back("-CC"); 880 } 881 882 static void TargetOptsToArgs(const TargetOptions &Opts, 883 ToArgsList &Res) { 884 Res.push_back("-triple"); 885 Res.push_back(Opts.Triple); 886 if (!Opts.CPU.empty()) 887 Res.push_back("-target-cpu", Opts.CPU); 888 if (!Opts.ABI.empty()) 889 Res.push_back("-target-abi", Opts.ABI); 890 if (!Opts.LinkerVersion.empty()) 891 Res.push_back("-target-linker-version", Opts.LinkerVersion); 892 if (!Opts.CXXABI.empty()) 893 Res.push_back("-cxx-abi", Opts.CXXABI); 894 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 895 Res.push_back("-target-feature", Opts.Features[i]); 896 } 897 898 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 899 ToArgsList List(Res); 900 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 901 CodeGenOptsToArgs(getCodeGenOpts(), List); 902 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 903 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 904 FileSystemOptsToArgs(getFileSystemOpts(), List); 905 FrontendOptsToArgs(getFrontendOpts(), List); 906 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 907 LangOptsToArgs(*getLangOpts(), List); 908 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 909 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 910 TargetOptsToArgs(getTargetOpts(), List); 911 } 912 913 //===----------------------------------------------------------------------===// 914 // Deserialization (to args) 915 //===----------------------------------------------------------------------===// 916 917 using namespace clang::driver; 918 using namespace clang::driver::options; 919 920 // 921 922 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 923 DiagnosticsEngine &Diags) { 924 unsigned DefaultOpt = 0; 925 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 926 DefaultOpt = 2; 927 928 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 929 if (A->getOption().matches(options::OPT_O0)) 930 return 0; 931 932 assert (A->getOption().matches(options::OPT_O)); 933 934 llvm::StringRef S(A->getValue(Args)); 935 if (S == "s" || S == "z" || S.empty()) 936 return 2; 937 938 return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 939 } 940 941 return DefaultOpt; 942 } 943 944 static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, 945 DiagnosticsEngine &Diags) { 946 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 947 if (A->getOption().matches(options::OPT_O)) { 948 switch (A->getValue(Args)[0]) { 949 default: 950 return 0; 951 case 's': 952 return 1; 953 case 'z': 954 return 2; 955 } 956 } 957 } 958 return 0; 959 } 960 961 static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { 962 for (arg_iterator I = Args.filtered_begin(OPT_W_Group), 963 E = Args.filtered_end(); I != E; ++I) { 964 Arg *A = *I; 965 // If the argument is a pure flag, add its name (minus the "-W" at the beginning) 966 // to the warning list. Else, add its value (for the OPT_W case). 967 if (A->getOption().getKind() == Option::FlagClass) { 968 Warnings.push_back(A->getOption().getName().substr(2)); 969 } else { 970 for (unsigned Idx = 0, End = A->getNumValues(); 971 Idx < End; ++Idx) { 972 StringRef V = A->getValue(Args, Idx); 973 // "-Wl," and such are not warning options. 974 // FIXME: Should be handled by putting these in separate flags. 975 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 976 continue; 977 978 Warnings.push_back(V); 979 } 980 } 981 } 982 } 983 984 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 985 DiagnosticsEngine &Diags) { 986 using namespace options; 987 bool Success = true; 988 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 989 StringRef Name = A->getValue(Args); 990 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 991 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 992 .Case(CMDFLAG, NAME##Model) 993 #include "clang/Frontend/Analyses.def" 994 .Default(NumStores); 995 if (Value == NumStores) { 996 Diags.Report(diag::err_drv_invalid_value) 997 << A->getAsString(Args) << Name; 998 Success = false; 999 } else { 1000 Opts.AnalysisStoreOpt = Value; 1001 } 1002 } 1003 1004 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 1005 StringRef Name = A->getValue(Args); 1006 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 1007 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 1008 .Case(CMDFLAG, NAME##Model) 1009 #include "clang/Frontend/Analyses.def" 1010 .Default(NumConstraints); 1011 if (Value == NumConstraints) { 1012 Diags.Report(diag::err_drv_invalid_value) 1013 << A->getAsString(Args) << Name; 1014 Success = false; 1015 } else { 1016 Opts.AnalysisConstraintsOpt = Value; 1017 } 1018 } 1019 1020 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1021 StringRef Name = A->getValue(Args); 1022 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1023 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1024 .Case(CMDFLAG, PD_##NAME) 1025 #include "clang/Frontend/Analyses.def" 1026 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1027 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1028 Diags.Report(diag::err_drv_invalid_value) 1029 << A->getAsString(Args) << Name; 1030 Success = false; 1031 } else { 1032 Opts.AnalysisDiagOpt = Value; 1033 } 1034 } 1035 1036 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1037 StringRef Name = A->getValue(Args); 1038 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1039 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1040 .Case(CMDFLAG, NAME) 1041 #include "clang/Frontend/Analyses.def" 1042 .Default(NumPurgeModes); 1043 if (Value == NumPurgeModes) { 1044 Diags.Report(diag::err_drv_invalid_value) 1045 << A->getAsString(Args) << Name; 1046 Success = false; 1047 } else { 1048 Opts.AnalysisPurgeOpt = Value; 1049 } 1050 } 1051 1052 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 1053 StringRef Name = A->getValue(Args); 1054 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 1055 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 1056 .Case(CMDFLAG, NAME) 1057 #include "clang/Frontend/Analyses.def" 1058 .Default(NumIPAModes); 1059 if (Value == NumIPAModes) { 1060 Diags.Report(diag::err_drv_invalid_value) 1061 << A->getAsString(Args) << Name; 1062 Success = false; 1063 } else { 1064 Opts.IPAMode = Value; 1065 } 1066 } 1067 1068 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1069 StringRef Name = A->getValue(Args); 1070 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1071 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1072 .Case(CMDFLAG, NAME) 1073 #include "clang/Frontend/Analyses.def" 1074 .Default(NumInliningModes); 1075 if (Value == NumInliningModes) { 1076 Diags.Report(diag::err_drv_invalid_value) 1077 << A->getAsString(Args) << Name; 1078 Success = false; 1079 } else { 1080 Opts.InliningMode = Value; 1081 } 1082 } 1083 1084 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1085 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1086 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1087 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1088 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1089 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1090 Opts.AnalyzeNestedBlocks = 1091 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1092 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1093 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1094 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1095 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1096 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1097 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1098 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1099 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1100 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1101 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1102 Opts.InlineMaxStackDepth = 1103 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1104 Opts.InlineMaxStackDepth, Diags); 1105 Opts.InlineMaxFunctionSize = 1106 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1107 Opts.InlineMaxFunctionSize, Diags); 1108 1109 Opts.CheckersControlList.clear(); 1110 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1111 OPT_analyzer_disable_checker), 1112 ie = Args.filtered_end(); it != ie; ++it) { 1113 const Arg *A = *it; 1114 A->claim(); 1115 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1116 // We can have a list of comma separated checker names, e.g: 1117 // '-analyzer-checker=cocoa,unix' 1118 StringRef checkerList = A->getValue(Args); 1119 SmallVector<StringRef, 4> checkers; 1120 checkerList.split(checkers, ","); 1121 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1122 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1123 } 1124 1125 return Success; 1126 } 1127 1128 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1129 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1130 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1131 return true; 1132 } 1133 1134 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1135 DiagnosticsEngine &Diags) { 1136 using namespace options; 1137 bool Success = true; 1138 1139 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1140 if (OptLevel > 3) { 1141 Diags.Report(diag::err_drv_invalid_value) 1142 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1143 OptLevel = 3; 1144 Success = false; 1145 } 1146 Opts.OptimizationLevel = OptLevel; 1147 1148 // We must always run at least the always inlining pass. 1149 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1150 : CodeGenOptions::OnlyAlwaysInlining; 1151 // -fno-inline-functions overrides OptimizationLevel > 1. 1152 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1153 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1154 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1155 1156 if (Args.hasArg(OPT_gline_tables_only)) { 1157 Opts.DebugInfo = CodeGenOptions::DebugLineTablesOnly; 1158 } else if (Args.hasArg(OPT_g_Flag)) { 1159 if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) 1160 Opts.DebugInfo = CodeGenOptions::LimitedDebugInfo; 1161 else 1162 Opts.DebugInfo = CodeGenOptions::FullDebugInfo; 1163 } 1164 1165 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1166 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1167 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1168 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1169 OPT_fuse_register_sized_bitfield_access); 1170 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1171 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1172 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1173 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1174 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1175 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1176 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1177 Args.hasArg(OPT_ffreestanding)); 1178 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1179 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1180 1181 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1182 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1183 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1184 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1185 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1186 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1187 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1188 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1189 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1190 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1191 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1192 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1193 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1194 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1195 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1196 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1197 Args.hasArg(OPT_cl_finite_math_only)|| 1198 Args.hasArg(OPT_cl_fast_relaxed_math)); 1199 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1200 Args.hasArg(OPT_cl_finite_math_only)|| 1201 Args.hasArg(OPT_cl_fast_relaxed_math)); 1202 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1203 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1204 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1205 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1206 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1207 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1208 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1209 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1210 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1211 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1212 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1213 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1214 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1215 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1216 Args.hasArg(OPT_cl_fast_relaxed_math); 1217 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1218 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1219 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1220 1221 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1222 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1223 1224 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1225 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1226 1227 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1228 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1229 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1230 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1231 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1232 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1233 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1234 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1235 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1236 StringRef Val = A->getValue(Args); 1237 Val.getAsInteger(10, Opts.StackAlignment); 1238 } 1239 1240 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1241 StringRef Name = A->getValue(Args); 1242 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1243 .Case("legacy", CodeGenOptions::Legacy) 1244 .Case("non-legacy", CodeGenOptions::NonLegacy) 1245 .Case("mixed", CodeGenOptions::Mixed) 1246 .Default(~0U); 1247 if (Method == ~0U) { 1248 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1249 Success = false; 1250 } else { 1251 Opts.ObjCDispatchMethod = Method; 1252 } 1253 } 1254 1255 return Success; 1256 } 1257 1258 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1259 ArgList &Args) { 1260 using namespace options; 1261 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1262 Opts.Targets = Args.getAllArgValues(OPT_MT); 1263 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1264 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1265 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1266 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1267 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1268 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1269 } 1270 1271 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1272 DiagnosticsEngine *Diags) { 1273 using namespace options; 1274 bool Success = true; 1275 1276 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1277 Opts.DiagnosticSerializationFile = 1278 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1279 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1280 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1281 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1282 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1283 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1284 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1285 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1286 OPT_fno_show_column, 1287 /*Default=*/true); 1288 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1289 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1290 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1291 1292 // Default behavior is to not to show note include stacks. 1293 Opts.ShowNoteIncludeStack = false; 1294 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1295 OPT_fno_diagnostics_show_note_include_stack)) 1296 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1297 Opts.ShowNoteIncludeStack = true; 1298 1299 StringRef ShowOverloads = 1300 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1301 if (ShowOverloads == "best") 1302 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1303 else if (ShowOverloads == "all") 1304 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1305 else { 1306 Success = false; 1307 if (Diags) 1308 Diags->Report(diag::err_drv_invalid_value) 1309 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1310 << ShowOverloads; 1311 } 1312 1313 StringRef ShowCategory = 1314 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1315 if (ShowCategory == "none") 1316 Opts.ShowCategories = 0; 1317 else if (ShowCategory == "id") 1318 Opts.ShowCategories = 1; 1319 else if (ShowCategory == "name") 1320 Opts.ShowCategories = 2; 1321 else { 1322 Success = false; 1323 if (Diags) 1324 Diags->Report(diag::err_drv_invalid_value) 1325 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1326 << ShowCategory; 1327 } 1328 1329 StringRef Format = 1330 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1331 if (Format == "clang") 1332 Opts.Format = DiagnosticOptions::Clang; 1333 else if (Format == "msvc") 1334 Opts.Format = DiagnosticOptions::Msvc; 1335 else if (Format == "vi") 1336 Opts.Format = DiagnosticOptions::Vi; 1337 else { 1338 Success = false; 1339 if (Diags) 1340 Diags->Report(diag::err_drv_invalid_value) 1341 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1342 << Format; 1343 } 1344 1345 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1346 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1347 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1348 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1349 Opts.MacroBacktraceLimit 1350 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1351 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1352 Opts.TemplateBacktraceLimit 1353 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1354 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1355 Diags); 1356 Opts.ConstexprBacktraceLimit 1357 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1358 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1359 Diags); 1360 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1361 DiagnosticOptions::DefaultTabStop, Diags); 1362 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1363 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1364 if (Diags) 1365 Diags->Report(diag::warn_ignoring_ftabstop_value) 1366 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1367 } 1368 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1369 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1370 addWarningArgs(Args, Opts.Warnings); 1371 1372 return Success; 1373 } 1374 1375 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1376 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1377 } 1378 1379 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1380 DiagnosticsEngine &Diags) { 1381 using namespace options; 1382 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1383 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1384 switch (A->getOption().getID()) { 1385 default: 1386 llvm_unreachable("Invalid option in group!"); 1387 case OPT_ast_dump: 1388 Opts.ProgramAction = frontend::ASTDump; break; 1389 case OPT_ast_dump_xml: 1390 Opts.ProgramAction = frontend::ASTDumpXML; break; 1391 case OPT_ast_print: 1392 Opts.ProgramAction = frontend::ASTPrint; break; 1393 case OPT_ast_view: 1394 Opts.ProgramAction = frontend::ASTView; break; 1395 case OPT_dump_raw_tokens: 1396 Opts.ProgramAction = frontend::DumpRawTokens; break; 1397 case OPT_dump_tokens: 1398 Opts.ProgramAction = frontend::DumpTokens; break; 1399 case OPT_S: 1400 Opts.ProgramAction = frontend::EmitAssembly; break; 1401 case OPT_emit_llvm_bc: 1402 Opts.ProgramAction = frontend::EmitBC; break; 1403 case OPT_emit_html: 1404 Opts.ProgramAction = frontend::EmitHTML; break; 1405 case OPT_emit_llvm: 1406 Opts.ProgramAction = frontend::EmitLLVM; break; 1407 case OPT_emit_llvm_only: 1408 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1409 case OPT_emit_codegen_only: 1410 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1411 case OPT_emit_obj: 1412 Opts.ProgramAction = frontend::EmitObj; break; 1413 case OPT_fixit_EQ: 1414 Opts.FixItSuffix = A->getValue(Args); 1415 // fall-through! 1416 case OPT_fixit: 1417 Opts.ProgramAction = frontend::FixIt; break; 1418 case OPT_emit_module: 1419 Opts.ProgramAction = frontend::GenerateModule; break; 1420 case OPT_emit_pch: 1421 Opts.ProgramAction = frontend::GeneratePCH; break; 1422 case OPT_emit_pth: 1423 Opts.ProgramAction = frontend::GeneratePTH; break; 1424 case OPT_init_only: 1425 Opts.ProgramAction = frontend::InitOnly; break; 1426 case OPT_fsyntax_only: 1427 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1428 case OPT_print_decl_contexts: 1429 Opts.ProgramAction = frontend::PrintDeclContext; break; 1430 case OPT_print_preamble: 1431 Opts.ProgramAction = frontend::PrintPreamble; break; 1432 case OPT_E: 1433 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1434 case OPT_rewrite_macros: 1435 Opts.ProgramAction = frontend::RewriteMacros; break; 1436 case OPT_rewrite_objc: 1437 Opts.ProgramAction = frontend::RewriteObjC; break; 1438 case OPT_rewrite_test: 1439 Opts.ProgramAction = frontend::RewriteTest; break; 1440 case OPT_analyze: 1441 Opts.ProgramAction = frontend::RunAnalysis; break; 1442 case OPT_migrate: 1443 Opts.ProgramAction = frontend::MigrateSource; break; 1444 case OPT_Eonly: 1445 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1446 } 1447 } 1448 1449 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1450 Opts.Plugins.push_back(A->getValue(Args,0)); 1451 Opts.ProgramAction = frontend::PluginAction; 1452 Opts.ActionName = A->getValue(Args); 1453 1454 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1455 end = Args.filtered_end(); it != end; ++it) { 1456 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1457 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1458 } 1459 } 1460 1461 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1462 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1463 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1464 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1465 end = Args.filtered_end(); it != end; ++it) { 1466 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1467 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1468 } 1469 } 1470 1471 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1472 Opts.CodeCompletionAt = 1473 ParsedSourceLocation::FromString(A->getValue(Args)); 1474 if (Opts.CodeCompletionAt.FileName.empty()) 1475 Diags.Report(diag::err_drv_invalid_value) 1476 << A->getAsString(Args) << A->getValue(Args); 1477 } 1478 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1479 1480 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1481 Opts.Plugins = Args.getAllArgValues(OPT_load); 1482 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1483 Opts.ShowHelp = Args.hasArg(OPT_help); 1484 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1485 Opts.ShowCodePatternsInCodeCompletion 1486 = Args.hasArg(OPT_code_completion_patterns); 1487 Opts.ShowGlobalSymbolsInCodeCompletion 1488 = !Args.hasArg(OPT_no_code_completion_globals); 1489 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1490 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1491 Opts.ShowVersion = Args.hasArg(OPT_version); 1492 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1493 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1494 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1495 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1496 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1497 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1498 Opts.OverrideRecordLayoutsFile 1499 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1500 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1501 OPT_arcmt_modify, 1502 OPT_arcmt_migrate)) { 1503 switch (A->getOption().getID()) { 1504 default: 1505 llvm_unreachable("missed a case"); 1506 case OPT_arcmt_check: 1507 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1508 break; 1509 case OPT_arcmt_modify: 1510 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1511 break; 1512 case OPT_arcmt_migrate: 1513 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1514 break; 1515 } 1516 } 1517 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1518 Opts.ARCMTMigrateReportOut 1519 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1520 Opts.ARCMTMigrateEmitARCErrors 1521 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1522 1523 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1524 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1525 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1526 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1527 1528 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1529 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1530 Diags.Report(diag::err_drv_argument_not_allowed_with) 1531 << "ARC migration" << "ObjC migration"; 1532 } 1533 1534 InputKind DashX = IK_None; 1535 if (const Arg *A = Args.getLastArg(OPT_x)) { 1536 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1537 .Case("c", IK_C) 1538 .Case("cl", IK_OpenCL) 1539 .Case("cuda", IK_CUDA) 1540 .Case("c++", IK_CXX) 1541 .Case("objective-c", IK_ObjC) 1542 .Case("objective-c++", IK_ObjCXX) 1543 .Case("cpp-output", IK_PreprocessedC) 1544 .Case("assembler-with-cpp", IK_Asm) 1545 .Case("c++-cpp-output", IK_PreprocessedCXX) 1546 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1547 .Case("objc-cpp-output", IK_PreprocessedObjC) 1548 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1549 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1550 .Case("c-header", IK_C) 1551 .Case("cl-header", IK_OpenCL) 1552 .Case("objective-c-header", IK_ObjC) 1553 .Case("c++-header", IK_CXX) 1554 .Case("objective-c++-header", IK_ObjCXX) 1555 .Case("ast", IK_AST) 1556 .Case("ir", IK_LLVM_IR) 1557 .Default(IK_None); 1558 if (DashX == IK_None) 1559 Diags.Report(diag::err_drv_invalid_value) 1560 << A->getAsString(Args) << A->getValue(Args); 1561 } 1562 1563 // '-' is the default input if none is given. 1564 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1565 Opts.Inputs.clear(); 1566 if (Inputs.empty()) 1567 Inputs.push_back("-"); 1568 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1569 InputKind IK = DashX; 1570 if (IK == IK_None) { 1571 IK = FrontendOptions::getInputKindForExtension( 1572 StringRef(Inputs[i]).rsplit('.').second); 1573 // FIXME: Remove this hack. 1574 if (i == 0) 1575 DashX = IK; 1576 } 1577 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1578 } 1579 1580 return DashX; 1581 } 1582 1583 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1584 void *MainAddr) { 1585 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1586 1587 if (!P.isEmpty()) { 1588 P.eraseComponent(); // Remove /clang from foo/bin/clang 1589 P.eraseComponent(); // Remove /bin from foo/bin 1590 1591 // Get foo/lib/clang/<version>/include 1592 P.appendComponent("lib"); 1593 P.appendComponent("clang"); 1594 P.appendComponent(CLANG_VERSION_STRING); 1595 } 1596 1597 return P.str(); 1598 } 1599 1600 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1601 using namespace options; 1602 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1603 Opts.Verbose = Args.hasArg(OPT_v); 1604 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1605 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1606 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1607 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1608 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1609 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1610 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1611 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1612 1613 // Add -I..., -F..., and -index-header-map options in order. 1614 bool IsIndexHeaderMap = false; 1615 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1616 OPT_index_header_map), 1617 ie = Args.filtered_end(); it != ie; ++it) { 1618 if ((*it)->getOption().matches(OPT_index_header_map)) { 1619 // -index-header-map applies to the next -I or -F. 1620 IsIndexHeaderMap = true; 1621 continue; 1622 } 1623 1624 frontend::IncludeDirGroup Group 1625 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1626 1627 Opts.AddPath((*it)->getValue(Args), Group, true, 1628 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1629 IsIndexHeaderMap = false; 1630 } 1631 1632 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1633 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1634 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1635 OPT_iwithprefixbefore), 1636 ie = Args.filtered_end(); it != ie; ++it) { 1637 const Arg *A = *it; 1638 if (A->getOption().matches(OPT_iprefix)) 1639 Prefix = A->getValue(Args); 1640 else if (A->getOption().matches(OPT_iwithprefix)) 1641 Opts.AddPath(Prefix.str() + A->getValue(Args), 1642 frontend::System, false, false, false); 1643 else 1644 Opts.AddPath(Prefix.str() + A->getValue(Args), 1645 frontend::Angled, false, false, false); 1646 } 1647 1648 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1649 ie = Args.filtered_end(); it != ie; ++it) 1650 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1651 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1652 ie = Args.filtered_end(); it != ie; ++it) 1653 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1654 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1655 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1656 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1657 !(*it)->getOption().matches(OPT_iwithsysroot)); 1658 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1659 ie = Args.filtered_end(); it != ie; ++it) 1660 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1661 true); 1662 1663 // Add the paths for the various language specific isystem flags. 1664 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1665 ie = Args.filtered_end(); it != ie; ++it) 1666 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1667 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1668 ie = Args.filtered_end(); it != ie; ++it) 1669 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1670 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1671 ie = Args.filtered_end(); it != ie; ++it) 1672 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1673 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1674 ie = Args.filtered_end(); it != ie; ++it) 1675 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1676 true); 1677 1678 // Add the internal paths from a driver that detects standard include paths. 1679 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1680 OPT_internal_externc_isystem), 1681 E = Args.filtered_end(); 1682 I != E; ++I) 1683 Opts.AddPath((*I)->getValue(Args), frontend::System, 1684 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1685 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1686 } 1687 1688 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1689 LangStandard::Kind LangStd) { 1690 // Set some properties which depend solely on the input kind; it would be nice 1691 // to move these to the language standard, and have the driver resolve the 1692 // input kind + language standard. 1693 if (IK == IK_Asm) { 1694 Opts.AsmPreprocessor = 1; 1695 } else if (IK == IK_ObjC || 1696 IK == IK_ObjCXX || 1697 IK == IK_PreprocessedObjC || 1698 IK == IK_PreprocessedObjCXX) { 1699 Opts.ObjC1 = Opts.ObjC2 = 1; 1700 } 1701 1702 if (LangStd == LangStandard::lang_unspecified) { 1703 // Based on the base language, pick one. 1704 switch (IK) { 1705 case IK_None: 1706 case IK_AST: 1707 case IK_LLVM_IR: 1708 llvm_unreachable("Invalid input kind!"); 1709 case IK_OpenCL: 1710 LangStd = LangStandard::lang_opencl; 1711 break; 1712 case IK_CUDA: 1713 LangStd = LangStandard::lang_cuda; 1714 break; 1715 case IK_Asm: 1716 case IK_C: 1717 case IK_PreprocessedC: 1718 case IK_ObjC: 1719 case IK_PreprocessedObjC: 1720 LangStd = LangStandard::lang_gnu99; 1721 break; 1722 case IK_CXX: 1723 case IK_PreprocessedCXX: 1724 case IK_ObjCXX: 1725 case IK_PreprocessedObjCXX: 1726 LangStd = LangStandard::lang_gnucxx98; 1727 break; 1728 } 1729 } 1730 1731 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1732 Opts.BCPLComment = Std.hasBCPLComments(); 1733 Opts.C99 = Std.isC99(); 1734 Opts.C11 = Std.isC11(); 1735 Opts.CPlusPlus = Std.isCPlusPlus(); 1736 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1737 Opts.Digraphs = Std.hasDigraphs(); 1738 Opts.GNUMode = Std.isGNUMode(); 1739 Opts.GNUInline = !Std.isC99(); 1740 Opts.HexFloats = Std.hasHexFloats(); 1741 Opts.ImplicitInt = Std.hasImplicitInt(); 1742 1743 // OpenCL has some additional defaults. 1744 if (LangStd == LangStandard::lang_opencl) { 1745 Opts.OpenCL = 1; 1746 Opts.AltiVec = 0; 1747 Opts.CXXOperatorNames = 1; 1748 Opts.LaxVectorConversions = 0; 1749 Opts.DefaultFPContract = 1; 1750 } 1751 1752 if (LangStd == LangStandard::lang_cuda) 1753 Opts.CUDA = 1; 1754 1755 // OpenCL and C++ both have bool, true, false keywords. 1756 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1757 1758 Opts.GNUKeywords = Opts.GNUMode; 1759 Opts.CXXOperatorNames = Opts.CPlusPlus; 1760 1761 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1762 // is specified, or -std is set to a conforming mode. 1763 Opts.Trigraphs = !Opts.GNUMode; 1764 1765 Opts.DollarIdents = !Opts.AsmPreprocessor; 1766 } 1767 1768 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1769 DiagnosticsEngine &Diags) { 1770 // FIXME: Cleanup per-file based stuff. 1771 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1772 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1773 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1774 #define LANGSTANDARD(id, name, desc, features) \ 1775 .Case(name, LangStandard::lang_##id) 1776 #include "clang/Frontend/LangStandards.def" 1777 .Default(LangStandard::lang_unspecified); 1778 if (LangStd == LangStandard::lang_unspecified) 1779 Diags.Report(diag::err_drv_invalid_value) 1780 << A->getAsString(Args) << A->getValue(Args); 1781 else { 1782 // Valid standard, check to make sure language and standard are compatable. 1783 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1784 switch (IK) { 1785 case IK_C: 1786 case IK_ObjC: 1787 case IK_PreprocessedC: 1788 case IK_PreprocessedObjC: 1789 if (!(Std.isC89() || Std.isC99())) 1790 Diags.Report(diag::err_drv_argument_not_allowed_with) 1791 << A->getAsString(Args) << "C/ObjC"; 1792 break; 1793 case IK_CXX: 1794 case IK_ObjCXX: 1795 case IK_PreprocessedCXX: 1796 case IK_PreprocessedObjCXX: 1797 if (!Std.isCPlusPlus()) 1798 Diags.Report(diag::err_drv_argument_not_allowed_with) 1799 << A->getAsString(Args) << "C++/ObjC++"; 1800 break; 1801 case IK_OpenCL: 1802 if (!Std.isC99()) 1803 Diags.Report(diag::err_drv_argument_not_allowed_with) 1804 << A->getAsString(Args) << "OpenCL"; 1805 break; 1806 case IK_CUDA: 1807 if (!Std.isCPlusPlus()) 1808 Diags.Report(diag::err_drv_argument_not_allowed_with) 1809 << A->getAsString(Args) << "CUDA"; 1810 break; 1811 default: 1812 break; 1813 } 1814 } 1815 } 1816 1817 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1818 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1819 Diags.Report(diag::err_drv_invalid_value) 1820 << A->getAsString(Args) << A->getValue(Args); 1821 } 1822 } 1823 1824 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1825 1826 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1827 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1828 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1829 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1830 // name, as it doesn't seem a useful distinction. 1831 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1832 Opts.GNUKeywords); 1833 1834 if (Args.hasArg(OPT_fno_operator_names)) 1835 Opts.CXXOperatorNames = 0; 1836 1837 if (Opts.ObjC1) { 1838 if (Args.hasArg(OPT_fobjc_gc_only)) 1839 Opts.setGC(LangOptions::GCOnly); 1840 else if (Args.hasArg(OPT_fobjc_gc)) 1841 Opts.setGC(LangOptions::HybridGC); 1842 else if (Args.hasArg(OPT_fobjc_arc)) { 1843 Opts.ObjCAutoRefCount = 1; 1844 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1845 Diags.Report(diag::err_arc_nonfragile_abi); 1846 } 1847 1848 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1849 Opts.ObjCRuntimeHasWeak = 1; 1850 1851 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1852 Opts.ObjCInferRelatedResultType = 0; 1853 } 1854 1855 if (Args.hasArg(OPT_fgnu89_inline)) 1856 Opts.GNUInline = 1; 1857 1858 if (Args.hasArg(OPT_fapple_kext)) { 1859 if (!Opts.CPlusPlus) 1860 Diags.Report(diag::warn_c_kext); 1861 else 1862 Opts.AppleKext = 1; 1863 } 1864 1865 if (Args.hasArg(OPT_print_ivar_layout)) 1866 Opts.ObjCGCBitmapPrint = 1; 1867 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1868 Opts.NoConstantCFStrings = 1; 1869 1870 if (Args.hasArg(OPT_faltivec)) 1871 Opts.AltiVec = 1; 1872 1873 if (Args.hasArg(OPT_pthread)) 1874 Opts.POSIXThreads = 1; 1875 1876 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1877 Opts.DelayedTemplateParsing = 1; 1878 1879 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1880 if (Vis == "default") 1881 Opts.setVisibilityMode(DefaultVisibility); 1882 else if (Vis == "hidden") 1883 Opts.setVisibilityMode(HiddenVisibility); 1884 else if (Vis == "protected") 1885 // FIXME: diagnose if target does not support protected visibility 1886 Opts.setVisibilityMode(ProtectedVisibility); 1887 else 1888 Diags.Report(diag::err_drv_invalid_value) 1889 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1890 1891 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1892 Opts.InlineVisibilityHidden = 1; 1893 1894 if (Args.hasArg(OPT_ftrapv)) { 1895 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1896 // Set the handler, if one is specified. 1897 Opts.OverflowHandler = 1898 Args.getLastArgValue(OPT_ftrapv_handler); 1899 } 1900 else if (Args.hasArg(OPT_fwrapv)) 1901 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1902 1903 if (Args.hasArg(OPT_trigraphs)) 1904 Opts.Trigraphs = 1; 1905 1906 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1907 OPT_fno_dollars_in_identifiers, 1908 Opts.DollarIdents); 1909 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1910 Opts.MicrosoftExt 1911 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1912 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1913 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1914 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1915 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1916 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1917 Opts.ConstStrings); 1918 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1919 Opts.LaxVectorConversions = 0; 1920 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1921 Opts.ThreadsafeStatics = 0; 1922 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1923 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1924 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1925 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1926 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1927 1928 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1929 Opts.Blocks = Args.hasArg(OPT_fblocks); 1930 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1931 Opts.Modules = Args.hasArg(OPT_fmodules); 1932 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1933 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1934 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1935 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1936 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1937 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1938 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1939 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1940 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1941 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1942 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1943 Diags); 1944 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1945 Diags); 1946 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1947 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, 1948 0, Diags); 1949 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1950 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1951 Opts.ObjCConstantStringClass = 1952 Args.getLastArgValue(OPT_fconstant_string_class); 1953 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1954 if (Opts.ObjCNonFragileABI) 1955 Opts.ObjCNonFragileABI2 = true; 1956 Opts.ObjCDefaultSynthProperties = 1957 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1958 Opts.BoundsChecking = 0; 1959 if ((Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior))) 1960 Opts.BoundsChecking = 5; 1961 Opts.BoundsChecking = Args.getLastArgIntValue(OPT_fbounds_checking_EQ, 1962 Opts.BoundsChecking, Diags); 1963 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1964 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); 1965 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1966 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1967 Opts.Static = Args.hasArg(OPT_static_define); 1968 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1969 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1970 || Args.hasArg(OPT_fdump_record_layouts); 1971 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1972 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1973 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1974 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1975 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1976 Opts.MRTD = Args.hasArg(OPT_mrtd); 1977 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1978 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1979 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1980 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1981 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1982 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1983 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1984 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1985 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1986 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1987 1988 // Record whether the __DEPRECATED define was requested. 1989 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1990 OPT_fno_deprecated_macro, 1991 Opts.Deprecated); 1992 1993 // FIXME: Eliminate this dependency. 1994 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1995 Opts.Optimize = Opt != 0; 1996 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1997 1998 // This is the __NO_INLINE__ define, which just depends on things like the 1999 // optimization level and -fno-inline, not actually whether the backend has 2000 // inlining enabled. 2001 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 2002 2003 Opts.FastMath = Args.hasArg(OPT_ffast_math); 2004 2005 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 2006 switch (SSP) { 2007 default: 2008 Diags.Report(diag::err_drv_invalid_value) 2009 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 2010 break; 2011 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 2012 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 2013 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 2014 } 2015 } 2016 2017 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 2018 FileManager &FileMgr, 2019 DiagnosticsEngine &Diags) { 2020 using namespace options; 2021 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 2022 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 2023 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 2024 Opts.TokenCache = A->getValue(Args); 2025 else 2026 Opts.TokenCache = Opts.ImplicitPTHInclude; 2027 Opts.UsePredefines = !Args.hasArg(OPT_undef); 2028 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 2029 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 2030 2031 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 2032 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 2033 ie = Args.filtered_end(); it != ie; ++it) { 2034 const Arg *A = *it; 2035 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 2036 } 2037 2038 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 2039 StringRef Value(A->getValue(Args)); 2040 size_t Comma = Value.find(','); 2041 unsigned Bytes = 0; 2042 unsigned EndOfLine = 0; 2043 2044 if (Comma == StringRef::npos || 2045 Value.substr(0, Comma).getAsInteger(10, Bytes) || 2046 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 2047 Diags.Report(diag::err_drv_preamble_format); 2048 else { 2049 Opts.PrecompiledPreambleBytes.first = Bytes; 2050 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 2051 } 2052 } 2053 2054 // Add macros from the command line. 2055 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 2056 ie = Args.filtered_end(); it != ie; ++it) { 2057 if ((*it)->getOption().matches(OPT_D)) 2058 Opts.addMacroDef((*it)->getValue(Args)); 2059 else 2060 Opts.addMacroUndef((*it)->getValue(Args)); 2061 } 2062 2063 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2064 2065 // Add the ordered list of -includes. 2066 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2067 OPT_include_pth), 2068 ie = Args.filtered_end(); it != ie; ++it) { 2069 const Arg *A = *it; 2070 // PCH is handled specially, we need to extra the original include path. 2071 if (A->getOption().matches(OPT_include_pch)) { 2072 std::string OriginalFile = 2073 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2074 if (OriginalFile.empty()) 2075 continue; 2076 2077 Opts.Includes.push_back(OriginalFile); 2078 } else 2079 Opts.Includes.push_back(A->getValue(Args)); 2080 } 2081 2082 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2083 ie = Args.filtered_end(); it != ie; ++it) { 2084 const Arg *A = *it; 2085 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2086 } 2087 2088 // Include 'altivec.h' if -faltivec option present 2089 if (Args.hasArg(OPT_faltivec)) 2090 Opts.Includes.push_back("altivec.h"); 2091 2092 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2093 ie = Args.filtered_end(); it != ie; ++it) { 2094 const Arg *A = *it; 2095 std::pair<StringRef,StringRef> Split = 2096 StringRef(A->getValue(Args)).split(';'); 2097 2098 if (Split.second.empty()) { 2099 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2100 continue; 2101 } 2102 2103 Opts.addRemappedFile(Split.first, Split.second); 2104 } 2105 2106 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2107 StringRef Name = A->getValue(Args); 2108 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2109 .Case("libc++", ARCXX_libcxx) 2110 .Case("libstdc++", ARCXX_libstdcxx) 2111 .Case("none", ARCXX_nolib) 2112 .Default(~0U); 2113 if (Library == ~0U) 2114 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2115 else 2116 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2117 } 2118 } 2119 2120 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2121 ArgList &Args) { 2122 using namespace options; 2123 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2124 Opts.ShowComments = Args.hasArg(OPT_C); 2125 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2126 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2127 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2128 } 2129 2130 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2131 using namespace options; 2132 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2133 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2134 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2135 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2136 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2137 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2138 2139 // Use the default target triple if unspecified. 2140 if (Opts.Triple.empty()) 2141 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2142 } 2143 2144 // 2145 2146 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2147 const char *const *ArgBegin, 2148 const char *const *ArgEnd, 2149 DiagnosticsEngine &Diags) { 2150 bool Success = true; 2151 2152 // Parse the arguments. 2153 OwningPtr<OptTable> Opts(createDriverOptTable()); 2154 unsigned MissingArgIndex, MissingArgCount; 2155 OwningPtr<InputArgList> Args( 2156 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2157 2158 // Check for missing argument error. 2159 if (MissingArgCount) { 2160 Diags.Report(diag::err_drv_missing_argument) 2161 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2162 Success = false; 2163 } 2164 2165 // Issue errors on unknown arguments. 2166 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2167 ie = Args->filtered_end(); it != ie; ++it) { 2168 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2169 Success = false; 2170 } 2171 2172 // Issue errors on arguments that are not valid for CC1. 2173 for (ArgList::iterator I = Args->begin(), E = Args->end(); 2174 I != E; ++I) { 2175 if (!(*I)->getOption().isCC1Option()) { 2176 Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); 2177 Success = false; 2178 } 2179 } 2180 2181 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2182 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2183 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2184 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2185 && Success; 2186 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2187 // FIXME: We shouldn't have to pass the DashX option around here 2188 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2189 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2190 && Success; 2191 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2192 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2193 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2194 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2195 Res.getLangOpts()->ObjCExceptions = 1; 2196 } 2197 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2198 // PCH file and find the original header name. Remove the need to do that in 2199 // ParsePreprocessorArgs and remove the FileManager 2200 // parameters from the function and the "FileManager.h" #include. 2201 FileManager FileMgr(Res.getFileSystemOpts()); 2202 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2203 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2204 ParseTargetArgs(Res.getTargetOpts(), *Args); 2205 2206 return Success; 2207 } 2208 2209 namespace { 2210 2211 class ModuleSignature { 2212 llvm::SmallVector<uint64_t, 16> Data; 2213 unsigned CurBit; 2214 uint64_t CurValue; 2215 2216 public: 2217 ModuleSignature() : CurBit(0), CurValue(0) { } 2218 2219 void add(uint64_t Value, unsigned Bits); 2220 void add(StringRef Value); 2221 void flush(); 2222 2223 llvm::APInt getAsInteger() const; 2224 }; 2225 } 2226 2227 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2228 CurValue |= Value << CurBit; 2229 if (CurBit + NumBits < 64) { 2230 CurBit += NumBits; 2231 return; 2232 } 2233 2234 // Add the current word. 2235 Data.push_back(CurValue); 2236 2237 if (CurBit) 2238 CurValue = Value >> (64-CurBit); 2239 else 2240 CurValue = 0; 2241 CurBit = (CurBit+NumBits) & 63; 2242 } 2243 2244 void ModuleSignature::flush() { 2245 if (CurBit == 0) 2246 return; 2247 2248 Data.push_back(CurValue); 2249 CurBit = 0; 2250 CurValue = 0; 2251 } 2252 2253 void ModuleSignature::add(StringRef Value) { 2254 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2255 add(*I, 8); 2256 } 2257 2258 llvm::APInt ModuleSignature::getAsInteger() const { 2259 return llvm::APInt(Data.size() * 64, Data); 2260 } 2261 2262 std::string CompilerInvocation::getModuleHash() const { 2263 ModuleSignature Signature; 2264 2265 // Start the signature with the compiler version. 2266 // FIXME: The full version string can be quite long. Omit it from the 2267 // module hash for now to avoid failures where the path name becomes too 2268 // long. An MD5 or similar checksum would work well here. 2269 // Signature.add(getClangFullRepositoryVersion()); 2270 2271 // Extend the signature with the language options 2272 #define LANGOPT(Name, Bits, Default, Description) \ 2273 Signature.add(LangOpts->Name, Bits); 2274 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2275 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2276 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2277 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2278 #include "clang/Basic/LangOptions.def" 2279 2280 // Extend the signature with the target triple 2281 llvm::Triple T(TargetOpts.Triple); 2282 Signature.add((unsigned)T.getArch(), 5); 2283 Signature.add((unsigned)T.getVendor(), 4); 2284 Signature.add((unsigned)T.getOS(), 5); 2285 Signature.add((unsigned)T.getEnvironment(), 4); 2286 2287 // Extend the signature with preprocessor options. 2288 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2289 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2290 2291 // Hash the preprocessor defines. 2292 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2293 std::vector<StringRef> MacroDefs; 2294 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2295 I = getPreprocessorOpts().Macros.begin(), 2296 IEnd = getPreprocessorOpts().Macros.end(); 2297 I != IEnd; ++I) { 2298 if (!I->second) 2299 MacroDefs.push_back(I->first); 2300 } 2301 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2302 2303 unsigned PPHashResult = 0; 2304 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2305 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2306 Signature.add(PPHashResult, 32); 2307 2308 // We've generated the signature. Treat it as one large APInt that we'll 2309 // encode in base-36 and return. 2310 Signature.flush(); 2311 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2312 } 2313