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