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.BoundsChecking > 0) 287 Res.push_back("-fbounds-checking=" + llvm::utostr(Opts.BoundsChecking)); 288 if (Opts.NumRegisterParameters) 289 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 290 if (Opts.NoGlobalMerge) 291 Res.push_back("-mno-global-merge"); 292 if (Opts.NoExecStack) 293 Res.push_back("-mnoexecstack"); 294 if (Opts.RelaxAll) 295 Res.push_back("-mrelax-all"); 296 if (Opts.SaveTempLabels) 297 Res.push_back("-msave-temp-labels"); 298 if (Opts.NoDwarf2CFIAsm) 299 Res.push_back("-fno-dwarf2-cfi-asm"); 300 if (Opts.NoDwarfDirectoryAsm) 301 Res.push_back("-fno-dwarf-directory-asm"); 302 if (Opts.SoftFloat) 303 Res.push_back("-msoft-float"); 304 if (Opts.StrictEnums) 305 Res.push_back("-fstrict-enums"); 306 if (Opts.UnwindTables) 307 Res.push_back("-munwind-tables"); 308 if (Opts.RelocationModel != "pic") 309 Res.push_back("-mrelocation-model", Opts.RelocationModel); 310 if (!Opts.VerifyModule) 311 Res.push_back("-disable-llvm-verifier"); 312 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 313 Res.push_back("-backend-option", Opts.BackendOptions[i]); 314 } 315 316 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 317 ToArgsList &Res) { 318 if (Opts.IncludeSystemHeaders) 319 Res.push_back("-sys-header-deps"); 320 if (Opts.ShowHeaderIncludes) 321 Res.push_back("-H"); 322 if (!Opts.HeaderIncludeOutputFile.empty()) 323 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 324 if (Opts.UsePhonyTargets) 325 Res.push_back("-MP"); 326 if (!Opts.OutputFile.empty()) 327 Res.push_back("-dependency-file", Opts.OutputFile); 328 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 329 Res.push_back("-MT", Opts.Targets[i]); 330 } 331 332 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 333 ToArgsList &Res) { 334 if (Opts.IgnoreWarnings) 335 Res.push_back("-w"); 336 if (Opts.NoRewriteMacros) 337 Res.push_back("-Wno-rewrite-macros"); 338 if (Opts.Pedantic) 339 Res.push_back("-pedantic"); 340 if (Opts.PedanticErrors) 341 Res.push_back("-pedantic-errors"); 342 if (!Opts.ShowColumn) 343 Res.push_back("-fno-show-column"); 344 if (!Opts.ShowLocation) 345 Res.push_back("-fno-show-source-location"); 346 if (!Opts.ShowCarets) 347 Res.push_back("-fno-caret-diagnostics"); 348 if (!Opts.ShowFixits) 349 Res.push_back("-fno-diagnostics-fixit-info"); 350 if (Opts.ShowSourceRanges) 351 Res.push_back("-fdiagnostics-print-source-range-info"); 352 if (Opts.ShowParseableFixits) 353 Res.push_back("-fdiagnostics-parseable-fixits"); 354 if (Opts.ShowColors) 355 Res.push_back("-fcolor-diagnostics"); 356 if (Opts.VerifyDiagnostics) 357 Res.push_back("-verify"); 358 if (Opts.ShowOptionNames) 359 Res.push_back("-fdiagnostics-show-option"); 360 if (Opts.ShowCategories == 1) 361 Res.push_back("-fdiagnostics-show-category=id"); 362 else if (Opts.ShowCategories == 2) 363 Res.push_back("-fdiagnostics-show-category=name"); 364 switch (Opts.Format) { 365 case DiagnosticOptions::Clang: 366 Res.push_back("-fdiagnostics-format=clang"); break; 367 case DiagnosticOptions::Msvc: 368 Res.push_back("-fdiagnostics-format=msvc"); break; 369 case DiagnosticOptions::Vi: 370 Res.push_back("-fdiagnostics-format=vi"); break; 371 } 372 if (Opts.ErrorLimit) 373 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 374 if (!Opts.DiagnosticLogFile.empty()) 375 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 376 if (Opts.MacroBacktraceLimit 377 != DiagnosticOptions::DefaultMacroBacktraceLimit) 378 Res.push_back("-fmacro-backtrace-limit", 379 llvm::utostr(Opts.MacroBacktraceLimit)); 380 if (Opts.TemplateBacktraceLimit 381 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 382 Res.push_back("-ftemplate-backtrace-limit", 383 llvm::utostr(Opts.TemplateBacktraceLimit)); 384 if (Opts.ConstexprBacktraceLimit 385 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 386 Res.push_back("-fconstexpr-backtrace-limit", 387 llvm::utostr(Opts.ConstexprBacktraceLimit)); 388 389 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 390 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 391 if (Opts.MessageLength) 392 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 393 if (!Opts.DumpBuildInformation.empty()) 394 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 395 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 396 Res.push_back("-W" + Opts.Warnings[i]); 397 } 398 399 static const char *getInputKindName(InputKind Kind) { 400 switch (Kind) { 401 case IK_None: break; 402 case IK_AST: return "ast"; 403 case IK_Asm: return "assembler-with-cpp"; 404 case IK_C: return "c"; 405 case IK_CXX: return "c++"; 406 case IK_LLVM_IR: return "ir"; 407 case IK_ObjC: return "objective-c"; 408 case IK_ObjCXX: return "objective-c++"; 409 case IK_OpenCL: return "cl"; 410 case IK_CUDA: return "cuda"; 411 case IK_PreprocessedC: return "cpp-output"; 412 case IK_PreprocessedCXX: return "c++-cpp-output"; 413 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 414 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 415 } 416 417 llvm_unreachable("Unexpected language kind!"); 418 } 419 420 static const char *getActionName(frontend::ActionKind Kind) { 421 switch (Kind) { 422 case frontend::PluginAction: 423 llvm_unreachable("Invalid kind!"); 424 425 case frontend::ASTDump: return "-ast-dump"; 426 case frontend::ASTDumpXML: return "-ast-dump-xml"; 427 case frontend::ASTPrint: return "-ast-print"; 428 case frontend::ASTView: return "-ast-view"; 429 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 430 case frontend::DumpTokens: return "-dump-tokens"; 431 case frontend::EmitAssembly: return "-S"; 432 case frontend::EmitBC: return "-emit-llvm-bc"; 433 case frontend::EmitHTML: return "-emit-html"; 434 case frontend::EmitLLVM: return "-emit-llvm"; 435 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 436 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 437 case frontend::EmitObj: return "-emit-obj"; 438 case frontend::FixIt: return "-fixit"; 439 case frontend::GenerateModule: return "-emit-module"; 440 case frontend::GeneratePCH: return "-emit-pch"; 441 case frontend::GeneratePTH: return "-emit-pth"; 442 case frontend::InitOnly: return "-init-only"; 443 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 444 case frontend::PrintDeclContext: return "-print-decl-contexts"; 445 case frontend::PrintPreamble: return "-print-preamble"; 446 case frontend::PrintPreprocessedInput: return "-E"; 447 case frontend::RewriteMacros: return "-rewrite-macros"; 448 case frontend::RewriteIncludes: return "-rewrite-includes"; 449 case frontend::RewriteObjC: return "-rewrite-objc"; 450 case frontend::RewriteTest: return "-rewrite-test"; 451 case frontend::RunAnalysis: return "-analyze"; 452 case frontend::MigrateSource: return "-migrate"; 453 case frontend::RunPreprocessorOnly: return "-Eonly"; 454 } 455 456 llvm_unreachable("Unexpected language kind!"); 457 } 458 459 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 460 if (!Opts.WorkingDir.empty()) 461 Res.push_back("-working-directory", Opts.WorkingDir); 462 } 463 464 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 465 if (Opts.DisableFree) 466 Res.push_back("-disable-free"); 467 if (Opts.RelocatablePCH) 468 Res.push_back("-relocatable-pch"); 469 if (Opts.ShowHelp) 470 Res.push_back("-help"); 471 if (Opts.ShowMacrosInCodeCompletion) 472 Res.push_back("-code-completion-macros"); 473 if (Opts.ShowCodePatternsInCodeCompletion) 474 Res.push_back("-code-completion-patterns"); 475 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 476 Res.push_back("-no-code-completion-globals"); 477 if (Opts.ShowStats) 478 Res.push_back("-print-stats"); 479 if (Opts.ShowTimers) 480 Res.push_back("-ftime-report"); 481 if (Opts.ShowVersion) 482 Res.push_back("-version"); 483 if (Opts.FixWhatYouCan) 484 Res.push_back("-fix-what-you-can"); 485 if (Opts.FixOnlyWarnings) 486 Res.push_back("-fix-only-warnings"); 487 if (Opts.FixAndRecompile) 488 Res.push_back("-fixit-recompile"); 489 if (Opts.FixToTemporaries) 490 Res.push_back("-fixit-to-temporary"); 491 switch (Opts.ARCMTAction) { 492 case FrontendOptions::ARCMT_None: 493 break; 494 case FrontendOptions::ARCMT_Check: 495 Res.push_back("-arcmt-check"); 496 break; 497 case FrontendOptions::ARCMT_Modify: 498 Res.push_back("-arcmt-modify"); 499 break; 500 case FrontendOptions::ARCMT_Migrate: 501 Res.push_back("-arcmt-migrate"); 502 break; 503 } 504 if (!Opts.MTMigrateDir.empty()) 505 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 506 if (!Opts.ARCMTMigrateReportOut.empty()) 507 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 508 if (Opts.ARCMTMigrateEmitARCErrors) 509 Res.push_back("-arcmt-migrate-emit-errors"); 510 511 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 512 Res.push_back("-objcmt-migrate-literals"); 513 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 514 Res.push_back("-objcmt-migrate-subscripting"); 515 516 bool NeedLang = false; 517 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 518 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 519 Opts.Inputs[i].Kind) 520 NeedLang = true; 521 if (NeedLang) 522 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 523 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 524 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 525 "Unable to represent this input vector!"); 526 Res.push_back(Opts.Inputs[i].File); 527 } 528 529 if (!Opts.OutputFile.empty()) 530 Res.push_back("-o", Opts.OutputFile); 531 if (!Opts.CodeCompletionAt.FileName.empty()) 532 Res.push_back("-code-completion-at", 533 Opts.CodeCompletionAt.FileName + ":" + 534 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 535 llvm::utostr(Opts.CodeCompletionAt.Column)); 536 if (Opts.ProgramAction != frontend::PluginAction) 537 Res.push_back(getActionName(Opts.ProgramAction)); 538 if (!Opts.ActionName.empty()) { 539 Res.push_back("-plugin", Opts.ActionName); 540 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 541 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 542 } 543 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 544 Res.push_back("-load", Opts.Plugins[i]); 545 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 546 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 547 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 548 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 549 Opts.AddPluginArgs[i][ai]); 550 } 551 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 552 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 553 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 554 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 555 if (!Opts.OverrideRecordLayoutsFile.empty()) 556 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 557 } 558 559 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 560 ToArgsList &Res) { 561 if (Opts.Sysroot != "/") { 562 Res.push_back("-isysroot"); 563 Res.push_back(Opts.Sysroot); 564 } 565 566 /// User specified include entries. 567 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 568 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 569 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 570 llvm::report_fatal_error("Invalid option set!"); 571 if (E.IsUserSupplied) { 572 switch (E.Group) { 573 case frontend::After: 574 Res.push_back("-idirafter"); 575 break; 576 577 case frontend::Quoted: 578 Res.push_back("-iquote"); 579 break; 580 581 case frontend::System: 582 Res.push_back("-isystem"); 583 break; 584 585 case frontend::IndexHeaderMap: 586 Res.push_back("-index-header-map"); 587 Res.push_back(E.IsFramework? "-F" : "-I"); 588 break; 589 590 case frontend::CSystem: 591 Res.push_back("-c-isystem"); 592 break; 593 594 case frontend::CXXSystem: 595 Res.push_back("-cxx-isystem"); 596 break; 597 598 case frontend::ObjCSystem: 599 Res.push_back("-objc-isystem"); 600 break; 601 602 case frontend::ObjCXXSystem: 603 Res.push_back("-objcxx-isystem"); 604 break; 605 606 case frontend::Angled: 607 Res.push_back(E.IsFramework ? "-F" : "-I"); 608 break; 609 } 610 } else { 611 if (E.IsInternal) { 612 assert(E.Group == frontend::System && "Unexpected header search group"); 613 if (E.ImplicitExternC) 614 Res.push_back("-internal-externc-isystem"); 615 else 616 Res.push_back("-internal-isystem"); 617 } else { 618 if (E.Group != frontend::Angled && E.Group != frontend::System) 619 llvm::report_fatal_error("Invalid option set!"); 620 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 621 "-iwithprefix"); 622 } 623 } 624 Res.push_back(E.Path); 625 } 626 627 if (!Opts.ResourceDir.empty()) 628 Res.push_back("-resource-dir", Opts.ResourceDir); 629 if (!Opts.ModuleCachePath.empty()) 630 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 631 if (!Opts.UseStandardSystemIncludes) 632 Res.push_back("-nostdsysteminc"); 633 if (!Opts.UseStandardCXXIncludes) 634 Res.push_back("-nostdinc++"); 635 if (Opts.UseLibcxx) 636 Res.push_back("-stdlib=libc++"); 637 if (Opts.Verbose) 638 Res.push_back("-v"); 639 } 640 641 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 642 LangOptions DefaultLangOpts; 643 644 // FIXME: Need to set -std to get all the implicit options. 645 646 // FIXME: We want to only pass options relative to the defaults, which 647 // requires constructing a target. :( 648 // 649 // It would be better to push the all target specific choices into the driver, 650 // so that everything below that was more uniform. 651 652 if (Opts.Trigraphs) 653 Res.push_back("-trigraphs"); 654 // Implicit based on the input kind: 655 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 656 // Implicit based on the input language standard: 657 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 658 if (Opts.DollarIdents) 659 Res.push_back("-fdollars-in-identifiers"); 660 if (Opts.GNUMode && !Opts.GNUKeywords) 661 Res.push_back("-fno-gnu-keywords"); 662 if (!Opts.GNUMode && Opts.GNUKeywords) 663 Res.push_back("-fgnu-keywords"); 664 if (Opts.MicrosoftExt) 665 Res.push_back("-fms-extensions"); 666 if (Opts.MicrosoftMode) 667 Res.push_back("-fms-compatibility"); 668 if (Opts.MSCVersion != 0) 669 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 670 if (Opts.Borland) 671 Res.push_back("-fborland-extensions"); 672 if (!Opts.ObjCNonFragileABI) 673 Res.push_back("-fobjc-fragile-abi"); 674 if (Opts.ObjCDefaultSynthProperties) 675 Res.push_back("-fobjc-default-synthesize-properties"); 676 // NoInline is implicit. 677 if (!Opts.CXXOperatorNames) 678 Res.push_back("-fno-operator-names"); 679 if (Opts.PascalStrings) 680 Res.push_back("-fpascal-strings"); 681 if (Opts.CatchUndefined) 682 Res.push_back("-fcatch-undefined-behavior"); 683 if (Opts.AddressSanitizer) 684 Res.push_back("-faddress-sanitizer"); 685 if (Opts.ThreadSanitizer) 686 Res.push_back("-fthread-sanitizer"); 687 if (Opts.WritableStrings) 688 Res.push_back("-fwritable-strings"); 689 if (Opts.ConstStrings) 690 Res.push_back("-fconst-strings"); 691 if (!Opts.LaxVectorConversions) 692 Res.push_back("-fno-lax-vector-conversions"); 693 if (Opts.AltiVec) 694 Res.push_back("-faltivec"); 695 if (Opts.Exceptions) 696 Res.push_back("-fexceptions"); 697 if (Opts.ObjCExceptions) 698 Res.push_back("-fobjc-exceptions"); 699 if (Opts.CXXExceptions) 700 Res.push_back("-fcxx-exceptions"); 701 if (Opts.SjLjExceptions) 702 Res.push_back("-fsjlj-exceptions"); 703 if (Opts.TraditionalCPP) 704 Res.push_back("-traditional-cpp"); 705 if (!Opts.RTTI) 706 Res.push_back("-fno-rtti"); 707 if (Opts.MSBitfields) 708 Res.push_back("-mms-bitfields"); 709 if (!Opts.NeXTRuntime) 710 Res.push_back("-fgnu-runtime"); 711 if (Opts.Freestanding) 712 Res.push_back("-ffreestanding"); 713 if (Opts.NoBuiltin) 714 Res.push_back("-fno-builtin"); 715 if (!Opts.AssumeSaneOperatorNew) 716 Res.push_back("-fno-assume-sane-operator-new"); 717 if (!Opts.ThreadsafeStatics) 718 Res.push_back("-fno-threadsafe-statics"); 719 if (Opts.POSIXThreads) 720 Res.push_back("-pthread"); 721 if (Opts.Blocks) 722 Res.push_back("-fblocks"); 723 if (Opts.BlocksRuntimeOptional) 724 Res.push_back("-fblocks-runtime-optional"); 725 if (Opts.Modules) 726 Res.push_back("-fmodules"); 727 if (Opts.EmitAllDecls) 728 Res.push_back("-femit-all-decls"); 729 if (Opts.MathErrno) 730 Res.push_back("-fmath-errno"); 731 switch (Opts.getSignedOverflowBehavior()) { 732 case LangOptions::SOB_Undefined: break; 733 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 734 case LangOptions::SOB_Trapping: 735 Res.push_back("-ftrapv"); 736 if (!Opts.OverflowHandler.empty()) 737 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 738 break; 739 } 740 if (Opts.HeinousExtensions) 741 Res.push_back("-fheinous-gnu-extensions"); 742 // Optimize is implicit. 743 // OptimizeSize is implicit. 744 if (Opts.FastMath) 745 Res.push_back("-ffast-math"); 746 if (Opts.Static) 747 Res.push_back("-static-define"); 748 if (Opts.DumpRecordLayoutsSimple) 749 Res.push_back("-fdump-record-layouts-simple"); 750 else if (Opts.DumpRecordLayouts) 751 Res.push_back("-fdump-record-layouts"); 752 if (Opts.DumpVTableLayouts) 753 Res.push_back("-fdump-vtable-layouts"); 754 if (Opts.NoBitFieldTypeAlign) 755 Res.push_back("-fno-bitfield-type-alignment"); 756 if (Opts.PICLevel) 757 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 758 if (Opts.PIELevel) 759 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 760 if (Opts.ObjCGCBitmapPrint) 761 Res.push_back("-print-ivar-layout"); 762 if (Opts.NoConstantCFStrings) 763 Res.push_back("-fno-constant-cfstrings"); 764 if (!Opts.AccessControl) 765 Res.push_back("-fno-access-control"); 766 if (!Opts.CharIsSigned) 767 Res.push_back("-fno-signed-char"); 768 if (Opts.ShortWChar) 769 Res.push_back("-fshort-wchar"); 770 if (!Opts.ElideConstructors) 771 Res.push_back("-fno-elide-constructors"); 772 if (Opts.getGC() != LangOptions::NonGC) { 773 if (Opts.getGC() == LangOptions::HybridGC) { 774 Res.push_back("-fobjc-gc"); 775 } else { 776 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 777 Res.push_back("-fobjc-gc-only"); 778 } 779 } 780 if (Opts.ObjCAutoRefCount) 781 Res.push_back("-fobjc-arc"); 782 if (Opts.ObjCRuntimeHasWeak) 783 Res.push_back("-fobjc-runtime-has-weak"); 784 if (!Opts.ObjCInferRelatedResultType) 785 Res.push_back("-fno-objc-infer-related-result-type"); 786 787 if (Opts.AppleKext) 788 Res.push_back("-fapple-kext"); 789 790 if (Opts.getVisibilityMode() != DefaultVisibility) { 791 Res.push_back("-fvisibility"); 792 if (Opts.getVisibilityMode() == HiddenVisibility) { 793 Res.push_back("hidden"); 794 } else { 795 assert(Opts.getVisibilityMode() == ProtectedVisibility && 796 "Invalid visibility!"); 797 Res.push_back("protected"); 798 } 799 } 800 if (Opts.InlineVisibilityHidden) 801 Res.push_back("-fvisibility-inlines-hidden"); 802 803 if (Opts.getStackProtector() != 0) 804 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 805 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 806 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 807 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 808 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 809 if (!Opts.ObjCConstantStringClass.empty()) 810 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 811 if (Opts.FakeAddressSpaceMap) 812 Res.push_back("-ffake-address-space-map"); 813 if (Opts.ParseUnknownAnytype) 814 Res.push_back("-funknown-anytype"); 815 if (Opts.DebuggerSupport) 816 Res.push_back("-fdebugger-support"); 817 if (Opts.DebuggerCastResultToId) 818 Res.push_back("-fdebugger-cast-result-to-id"); 819 if (Opts.DebuggerObjCLiteral) 820 Res.push_back("-fdebugger-objc-literal"); 821 if (Opts.DelayedTemplateParsing) 822 Res.push_back("-fdelayed-template-parsing"); 823 if (Opts.Deprecated) 824 Res.push_back("-fdeprecated-macro"); 825 if (Opts.ApplePragmaPack) 826 Res.push_back("-fapple-pragma-pack"); 827 if (!Opts.CurrentModule.empty()) 828 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 829 } 830 831 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 832 ToArgsList &Res) { 833 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 834 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 835 Opts.Macros[i].first); 836 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 837 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 838 Res.push_back("-include", Opts.Includes[i]); 839 } 840 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 841 Res.push_back("-imacros", Opts.MacroIncludes[i]); 842 if (!Opts.UsePredefines) 843 Res.push_back("-undef"); 844 if (Opts.DetailedRecord) 845 Res.push_back("-detailed-preprocessing-record"); 846 if (!Opts.ImplicitPCHInclude.empty()) 847 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 848 if (!Opts.ImplicitPTHInclude.empty()) 849 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 850 if (!Opts.TokenCache.empty()) { 851 if (Opts.ImplicitPTHInclude.empty()) 852 Res.push_back("-token-cache", Opts.TokenCache); 853 else 854 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 855 "Unsupported option combination!"); 856 } 857 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 858 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 859 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 860 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 861 Opts.RemappedFiles[i].second); 862 } 863 } 864 865 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 866 ToArgsList &Res) { 867 if (!Opts.ShowCPP && !Opts.ShowMacros) 868 llvm::report_fatal_error("Invalid option combination!"); 869 870 if (Opts.ShowCPP && Opts.ShowMacros) 871 Res.push_back("-dD"); 872 else if (!Opts.ShowCPP && Opts.ShowMacros) 873 Res.push_back("-dM"); 874 875 if (!Opts.ShowLineMarkers) 876 Res.push_back("-P"); 877 if (Opts.ShowComments) 878 Res.push_back("-C"); 879 if (Opts.ShowMacroComments) 880 Res.push_back("-CC"); 881 } 882 883 static void TargetOptsToArgs(const TargetOptions &Opts, 884 ToArgsList &Res) { 885 Res.push_back("-triple"); 886 Res.push_back(Opts.Triple); 887 if (!Opts.CPU.empty()) 888 Res.push_back("-target-cpu", Opts.CPU); 889 if (!Opts.ABI.empty()) 890 Res.push_back("-target-abi", Opts.ABI); 891 if (!Opts.LinkerVersion.empty()) 892 Res.push_back("-target-linker-version", Opts.LinkerVersion); 893 if (!Opts.CXXABI.empty()) 894 Res.push_back("-cxx-abi", Opts.CXXABI); 895 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 896 Res.push_back("-target-feature", Opts.Features[i]); 897 } 898 899 void CompilerInvocation::toArgs(std::vector<std::string> &Res) const { 900 ToArgsList List(Res); 901 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 902 CodeGenOptsToArgs(getCodeGenOpts(), List); 903 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 904 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 905 FileSystemOptsToArgs(getFileSystemOpts(), List); 906 FrontendOptsToArgs(getFrontendOpts(), List); 907 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 908 LangOptsToArgs(*getLangOpts(), List); 909 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 910 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 911 TargetOptsToArgs(getTargetOpts(), List); 912 } 913 914 //===----------------------------------------------------------------------===// 915 // Deserialization (to args) 916 //===----------------------------------------------------------------------===// 917 918 using namespace clang::driver; 919 using namespace clang::driver::options; 920 921 // 922 923 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 924 DiagnosticsEngine &Diags) { 925 unsigned DefaultOpt = 0; 926 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 927 DefaultOpt = 2; 928 929 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 930 if (A->getOption().matches(options::OPT_O0)) 931 return 0; 932 933 assert (A->getOption().matches(options::OPT_O)); 934 935 llvm::StringRef S(A->getValue(Args)); 936 if (S == "s" || S == "z" || S.empty()) 937 return 2; 938 939 return Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 940 } 941 942 return DefaultOpt; 943 } 944 945 static unsigned getOptimizationLevelSize(ArgList &Args, InputKind IK, 946 DiagnosticsEngine &Diags) { 947 if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 948 if (A->getOption().matches(options::OPT_O)) { 949 switch (A->getValue(Args)[0]) { 950 default: 951 return 0; 952 case 's': 953 return 1; 954 case 'z': 955 return 2; 956 } 957 } 958 } 959 return 0; 960 } 961 962 static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) { 963 for (arg_iterator I = Args.filtered_begin(OPT_W_Group), 964 E = Args.filtered_end(); I != E; ++I) { 965 Arg *A = *I; 966 // If the argument is a pure flag, add its name (minus the "-W" at the beginning) 967 // to the warning list. Else, add its value (for the OPT_W case). 968 if (A->getOption().getKind() == Option::FlagClass) { 969 Warnings.push_back(A->getOption().getName().substr(2)); 970 } else { 971 for (unsigned Idx = 0, End = A->getNumValues(); 972 Idx < End; ++Idx) { 973 StringRef V = A->getValue(Args, Idx); 974 // "-Wl," and such are not warning options. 975 // FIXME: Should be handled by putting these in separate flags. 976 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 977 continue; 978 979 Warnings.push_back(V); 980 } 981 } 982 } 983 } 984 985 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 986 DiagnosticsEngine &Diags) { 987 using namespace options; 988 bool Success = true; 989 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 990 StringRef Name = A->getValue(Args); 991 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 992 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 993 .Case(CMDFLAG, NAME##Model) 994 #include "clang/Frontend/Analyses.def" 995 .Default(NumStores); 996 if (Value == NumStores) { 997 Diags.Report(diag::err_drv_invalid_value) 998 << A->getAsString(Args) << Name; 999 Success = false; 1000 } else { 1001 Opts.AnalysisStoreOpt = Value; 1002 } 1003 } 1004 1005 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 1006 StringRef Name = A->getValue(Args); 1007 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 1008 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 1009 .Case(CMDFLAG, NAME##Model) 1010 #include "clang/Frontend/Analyses.def" 1011 .Default(NumConstraints); 1012 if (Value == NumConstraints) { 1013 Diags.Report(diag::err_drv_invalid_value) 1014 << A->getAsString(Args) << Name; 1015 Success = false; 1016 } else { 1017 Opts.AnalysisConstraintsOpt = Value; 1018 } 1019 } 1020 1021 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 1022 StringRef Name = A->getValue(Args); 1023 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 1024 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 1025 .Case(CMDFLAG, PD_##NAME) 1026 #include "clang/Frontend/Analyses.def" 1027 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 1028 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 1029 Diags.Report(diag::err_drv_invalid_value) 1030 << A->getAsString(Args) << Name; 1031 Success = false; 1032 } else { 1033 Opts.AnalysisDiagOpt = Value; 1034 } 1035 } 1036 1037 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 1038 StringRef Name = A->getValue(Args); 1039 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 1040 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 1041 .Case(CMDFLAG, NAME) 1042 #include "clang/Frontend/Analyses.def" 1043 .Default(NumPurgeModes); 1044 if (Value == NumPurgeModes) { 1045 Diags.Report(diag::err_drv_invalid_value) 1046 << A->getAsString(Args) << Name; 1047 Success = false; 1048 } else { 1049 Opts.AnalysisPurgeOpt = Value; 1050 } 1051 } 1052 1053 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 1054 StringRef Name = A->getValue(Args); 1055 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 1056 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 1057 .Case(CMDFLAG, NAME) 1058 #include "clang/Frontend/Analyses.def" 1059 .Default(NumIPAModes); 1060 if (Value == NumIPAModes) { 1061 Diags.Report(diag::err_drv_invalid_value) 1062 << A->getAsString(Args) << Name; 1063 Success = false; 1064 } else { 1065 Opts.IPAMode = Value; 1066 } 1067 } 1068 1069 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1070 StringRef Name = A->getValue(Args); 1071 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1072 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1073 .Case(CMDFLAG, NAME) 1074 #include "clang/Frontend/Analyses.def" 1075 .Default(NumInliningModes); 1076 if (Value == NumInliningModes) { 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << A->getAsString(Args) << Name; 1079 Success = false; 1080 } else { 1081 Opts.InliningMode = Value; 1082 } 1083 } 1084 1085 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1086 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1087 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1088 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1089 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1090 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1091 Opts.AnalyzeNestedBlocks = 1092 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1093 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1094 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1095 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1096 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1097 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1098 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1099 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1100 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1101 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1102 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1103 Opts.InlineMaxStackDepth = 1104 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1105 Opts.InlineMaxStackDepth, Diags); 1106 Opts.InlineMaxFunctionSize = 1107 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1108 Opts.InlineMaxFunctionSize, Diags); 1109 1110 Opts.CheckersControlList.clear(); 1111 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1112 OPT_analyzer_disable_checker), 1113 ie = Args.filtered_end(); it != ie; ++it) { 1114 const Arg *A = *it; 1115 A->claim(); 1116 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1117 // We can have a list of comma separated checker names, e.g: 1118 // '-analyzer-checker=cocoa,unix' 1119 StringRef checkerList = A->getValue(Args); 1120 SmallVector<StringRef, 4> checkers; 1121 checkerList.split(checkers, ","); 1122 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1123 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1124 } 1125 1126 return Success; 1127 } 1128 1129 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1130 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1131 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1132 return true; 1133 } 1134 1135 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1136 DiagnosticsEngine &Diags) { 1137 using namespace options; 1138 bool Success = true; 1139 1140 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1141 if (OptLevel > 3) { 1142 Diags.Report(diag::err_drv_invalid_value) 1143 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1144 OptLevel = 3; 1145 Success = false; 1146 } 1147 Opts.OptimizationLevel = OptLevel; 1148 1149 // We must always run at least the always inlining pass. 1150 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1151 : CodeGenOptions::OnlyAlwaysInlining; 1152 // -fno-inline-functions overrides OptimizationLevel > 1. 1153 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1154 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1155 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1156 1157 if (Args.hasArg(OPT_gline_tables_only)) { 1158 Opts.DebugInfo = CodeGenOptions::DebugLineTablesOnly; 1159 } else if (Args.hasArg(OPT_g_Flag)) { 1160 if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true)) 1161 Opts.DebugInfo = CodeGenOptions::LimitedDebugInfo; 1162 else 1163 Opts.DebugInfo = CodeGenOptions::FullDebugInfo; 1164 } 1165 1166 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1167 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1168 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1169 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1170 OPT_fuse_register_sized_bitfield_access); 1171 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1172 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1173 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1174 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1175 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1176 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1177 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1178 Args.hasArg(OPT_ffreestanding)); 1179 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1180 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1181 1182 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1183 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1184 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1185 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1186 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1187 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1188 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1189 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1190 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1191 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1192 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1193 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1194 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1195 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1196 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1197 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1198 Args.hasArg(OPT_cl_finite_math_only)|| 1199 Args.hasArg(OPT_cl_fast_relaxed_math)); 1200 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1201 Args.hasArg(OPT_cl_finite_math_only)|| 1202 Args.hasArg(OPT_cl_fast_relaxed_math)); 1203 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1204 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1205 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1206 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1207 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1208 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1209 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1210 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1211 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1212 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1213 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1214 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1215 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1216 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1217 Args.hasArg(OPT_cl_fast_relaxed_math); 1218 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1219 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1220 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1221 Opts.BoundsChecking = Args.getLastArgIntValue(OPT_fbounds_checking_EQ, 0, 1222 Diags); 1223 1224 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1225 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1226 1227 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1228 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1229 1230 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1231 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1232 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1233 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1234 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1235 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1236 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1237 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1238 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1239 StringRef Val = A->getValue(Args); 1240 Val.getAsInteger(10, Opts.StackAlignment); 1241 } 1242 1243 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1244 StringRef Name = A->getValue(Args); 1245 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1246 .Case("legacy", CodeGenOptions::Legacy) 1247 .Case("non-legacy", CodeGenOptions::NonLegacy) 1248 .Case("mixed", CodeGenOptions::Mixed) 1249 .Default(~0U); 1250 if (Method == ~0U) { 1251 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1252 Success = false; 1253 } else { 1254 Opts.ObjCDispatchMethod = Method; 1255 } 1256 } 1257 1258 return Success; 1259 } 1260 1261 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1262 ArgList &Args) { 1263 using namespace options; 1264 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1265 Opts.Targets = Args.getAllArgValues(OPT_MT); 1266 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1267 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1268 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1269 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1270 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1271 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1272 } 1273 1274 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1275 DiagnosticsEngine *Diags) { 1276 using namespace options; 1277 bool Success = true; 1278 1279 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1280 Opts.DiagnosticSerializationFile = 1281 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1282 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1283 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1284 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1285 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1286 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1287 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1288 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1289 OPT_fno_show_column, 1290 /*Default=*/true); 1291 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1292 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1293 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1294 1295 // Default behavior is to not to show note include stacks. 1296 Opts.ShowNoteIncludeStack = false; 1297 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1298 OPT_fno_diagnostics_show_note_include_stack)) 1299 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1300 Opts.ShowNoteIncludeStack = true; 1301 1302 StringRef ShowOverloads = 1303 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1304 if (ShowOverloads == "best") 1305 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1306 else if (ShowOverloads == "all") 1307 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1308 else { 1309 Success = false; 1310 if (Diags) 1311 Diags->Report(diag::err_drv_invalid_value) 1312 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1313 << ShowOverloads; 1314 } 1315 1316 StringRef ShowCategory = 1317 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1318 if (ShowCategory == "none") 1319 Opts.ShowCategories = 0; 1320 else if (ShowCategory == "id") 1321 Opts.ShowCategories = 1; 1322 else if (ShowCategory == "name") 1323 Opts.ShowCategories = 2; 1324 else { 1325 Success = false; 1326 if (Diags) 1327 Diags->Report(diag::err_drv_invalid_value) 1328 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1329 << ShowCategory; 1330 } 1331 1332 StringRef Format = 1333 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1334 if (Format == "clang") 1335 Opts.Format = DiagnosticOptions::Clang; 1336 else if (Format == "msvc") 1337 Opts.Format = DiagnosticOptions::Msvc; 1338 else if (Format == "vi") 1339 Opts.Format = DiagnosticOptions::Vi; 1340 else { 1341 Success = false; 1342 if (Diags) 1343 Diags->Report(diag::err_drv_invalid_value) 1344 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1345 << Format; 1346 } 1347 1348 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1349 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1350 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1351 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1352 Opts.MacroBacktraceLimit 1353 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1354 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1355 Opts.TemplateBacktraceLimit 1356 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1357 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1358 Diags); 1359 Opts.ConstexprBacktraceLimit 1360 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1361 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1362 Diags); 1363 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1364 DiagnosticOptions::DefaultTabStop, Diags); 1365 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1366 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1367 if (Diags) 1368 Diags->Report(diag::warn_ignoring_ftabstop_value) 1369 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1370 } 1371 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1372 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1373 addWarningArgs(Args, Opts.Warnings); 1374 1375 return Success; 1376 } 1377 1378 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1379 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1380 } 1381 1382 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1383 DiagnosticsEngine &Diags) { 1384 using namespace options; 1385 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1386 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1387 switch (A->getOption().getID()) { 1388 default: 1389 llvm_unreachable("Invalid option in group!"); 1390 case OPT_ast_dump: 1391 Opts.ProgramAction = frontend::ASTDump; break; 1392 case OPT_ast_dump_xml: 1393 Opts.ProgramAction = frontend::ASTDumpXML; break; 1394 case OPT_ast_print: 1395 Opts.ProgramAction = frontend::ASTPrint; break; 1396 case OPT_ast_view: 1397 Opts.ProgramAction = frontend::ASTView; break; 1398 case OPT_dump_raw_tokens: 1399 Opts.ProgramAction = frontend::DumpRawTokens; break; 1400 case OPT_dump_tokens: 1401 Opts.ProgramAction = frontend::DumpTokens; break; 1402 case OPT_S: 1403 Opts.ProgramAction = frontend::EmitAssembly; break; 1404 case OPT_emit_llvm_bc: 1405 Opts.ProgramAction = frontend::EmitBC; break; 1406 case OPT_emit_html: 1407 Opts.ProgramAction = frontend::EmitHTML; break; 1408 case OPT_emit_llvm: 1409 Opts.ProgramAction = frontend::EmitLLVM; break; 1410 case OPT_emit_llvm_only: 1411 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1412 case OPT_emit_codegen_only: 1413 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1414 case OPT_emit_obj: 1415 Opts.ProgramAction = frontend::EmitObj; break; 1416 case OPT_fixit_EQ: 1417 Opts.FixItSuffix = A->getValue(Args); 1418 // fall-through! 1419 case OPT_fixit: 1420 Opts.ProgramAction = frontend::FixIt; break; 1421 case OPT_emit_module: 1422 Opts.ProgramAction = frontend::GenerateModule; break; 1423 case OPT_emit_pch: 1424 Opts.ProgramAction = frontend::GeneratePCH; break; 1425 case OPT_emit_pth: 1426 Opts.ProgramAction = frontend::GeneratePTH; break; 1427 case OPT_init_only: 1428 Opts.ProgramAction = frontend::InitOnly; break; 1429 case OPT_fsyntax_only: 1430 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1431 case OPT_print_decl_contexts: 1432 Opts.ProgramAction = frontend::PrintDeclContext; break; 1433 case OPT_print_preamble: 1434 Opts.ProgramAction = frontend::PrintPreamble; break; 1435 case OPT_E: 1436 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1437 case OPT_rewrite_macros: 1438 Opts.ProgramAction = frontend::RewriteMacros; break; 1439 case OPT_rewrite_includes: 1440 Opts.ProgramAction = frontend::RewriteIncludes; break; 1441 case OPT_rewrite_objc: 1442 Opts.ProgramAction = frontend::RewriteObjC; break; 1443 case OPT_rewrite_test: 1444 Opts.ProgramAction = frontend::RewriteTest; break; 1445 case OPT_analyze: 1446 Opts.ProgramAction = frontend::RunAnalysis; break; 1447 case OPT_migrate: 1448 Opts.ProgramAction = frontend::MigrateSource; break; 1449 case OPT_Eonly: 1450 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1451 } 1452 } 1453 1454 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1455 Opts.Plugins.push_back(A->getValue(Args,0)); 1456 Opts.ProgramAction = frontend::PluginAction; 1457 Opts.ActionName = A->getValue(Args); 1458 1459 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1460 end = Args.filtered_end(); it != end; ++it) { 1461 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1462 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1463 } 1464 } 1465 1466 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1467 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1468 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1469 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1470 end = Args.filtered_end(); it != end; ++it) { 1471 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1472 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1473 } 1474 } 1475 1476 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1477 Opts.CodeCompletionAt = 1478 ParsedSourceLocation::FromString(A->getValue(Args)); 1479 if (Opts.CodeCompletionAt.FileName.empty()) 1480 Diags.Report(diag::err_drv_invalid_value) 1481 << A->getAsString(Args) << A->getValue(Args); 1482 } 1483 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1484 1485 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1486 Opts.Plugins = Args.getAllArgValues(OPT_load); 1487 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1488 Opts.ShowHelp = Args.hasArg(OPT_help); 1489 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1490 Opts.ShowCodePatternsInCodeCompletion 1491 = Args.hasArg(OPT_code_completion_patterns); 1492 Opts.ShowGlobalSymbolsInCodeCompletion 1493 = !Args.hasArg(OPT_no_code_completion_globals); 1494 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1495 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1496 Opts.ShowVersion = Args.hasArg(OPT_version); 1497 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1498 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1499 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1500 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1501 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1502 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1503 Opts.OverrideRecordLayoutsFile 1504 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1505 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1506 OPT_arcmt_modify, 1507 OPT_arcmt_migrate)) { 1508 switch (A->getOption().getID()) { 1509 default: 1510 llvm_unreachable("missed a case"); 1511 case OPT_arcmt_check: 1512 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1513 break; 1514 case OPT_arcmt_modify: 1515 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1516 break; 1517 case OPT_arcmt_migrate: 1518 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1519 break; 1520 } 1521 } 1522 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1523 Opts.ARCMTMigrateReportOut 1524 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1525 Opts.ARCMTMigrateEmitARCErrors 1526 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1527 1528 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1529 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1530 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1531 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1532 1533 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1534 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1535 Diags.Report(diag::err_drv_argument_not_allowed_with) 1536 << "ARC migration" << "ObjC migration"; 1537 } 1538 1539 InputKind DashX = IK_None; 1540 if (const Arg *A = Args.getLastArg(OPT_x)) { 1541 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1542 .Case("c", IK_C) 1543 .Case("cl", IK_OpenCL) 1544 .Case("cuda", IK_CUDA) 1545 .Case("c++", IK_CXX) 1546 .Case("objective-c", IK_ObjC) 1547 .Case("objective-c++", IK_ObjCXX) 1548 .Case("cpp-output", IK_PreprocessedC) 1549 .Case("assembler-with-cpp", IK_Asm) 1550 .Case("c++-cpp-output", IK_PreprocessedCXX) 1551 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1552 .Case("objc-cpp-output", IK_PreprocessedObjC) 1553 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1554 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1555 .Case("c-header", IK_C) 1556 .Case("cl-header", IK_OpenCL) 1557 .Case("objective-c-header", IK_ObjC) 1558 .Case("c++-header", IK_CXX) 1559 .Case("objective-c++-header", IK_ObjCXX) 1560 .Case("ast", IK_AST) 1561 .Case("ir", IK_LLVM_IR) 1562 .Default(IK_None); 1563 if (DashX == IK_None) 1564 Diags.Report(diag::err_drv_invalid_value) 1565 << A->getAsString(Args) << A->getValue(Args); 1566 } 1567 1568 // '-' is the default input if none is given. 1569 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1570 Opts.Inputs.clear(); 1571 if (Inputs.empty()) 1572 Inputs.push_back("-"); 1573 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1574 InputKind IK = DashX; 1575 if (IK == IK_None) { 1576 IK = FrontendOptions::getInputKindForExtension( 1577 StringRef(Inputs[i]).rsplit('.').second); 1578 // FIXME: Remove this hack. 1579 if (i == 0) 1580 DashX = IK; 1581 } 1582 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1583 } 1584 1585 return DashX; 1586 } 1587 1588 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1589 void *MainAddr) { 1590 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1591 1592 if (!P.isEmpty()) { 1593 P.eraseComponent(); // Remove /clang from foo/bin/clang 1594 P.eraseComponent(); // Remove /bin from foo/bin 1595 1596 // Get foo/lib/clang/<version>/include 1597 P.appendComponent("lib"); 1598 P.appendComponent("clang"); 1599 P.appendComponent(CLANG_VERSION_STRING); 1600 } 1601 1602 return P.str(); 1603 } 1604 1605 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1606 using namespace options; 1607 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1608 Opts.Verbose = Args.hasArg(OPT_v); 1609 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1610 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1611 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1612 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1613 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1614 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1615 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1616 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1617 1618 // Add -I..., -F..., and -index-header-map options in order. 1619 bool IsIndexHeaderMap = false; 1620 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1621 OPT_index_header_map), 1622 ie = Args.filtered_end(); it != ie; ++it) { 1623 if ((*it)->getOption().matches(OPT_index_header_map)) { 1624 // -index-header-map applies to the next -I or -F. 1625 IsIndexHeaderMap = true; 1626 continue; 1627 } 1628 1629 frontend::IncludeDirGroup Group 1630 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1631 1632 Opts.AddPath((*it)->getValue(Args), Group, true, 1633 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1634 IsIndexHeaderMap = false; 1635 } 1636 1637 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1638 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1639 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1640 OPT_iwithprefixbefore), 1641 ie = Args.filtered_end(); it != ie; ++it) { 1642 const Arg *A = *it; 1643 if (A->getOption().matches(OPT_iprefix)) 1644 Prefix = A->getValue(Args); 1645 else if (A->getOption().matches(OPT_iwithprefix)) 1646 Opts.AddPath(Prefix.str() + A->getValue(Args), 1647 frontend::System, false, false, false); 1648 else 1649 Opts.AddPath(Prefix.str() + A->getValue(Args), 1650 frontend::Angled, false, false, false); 1651 } 1652 1653 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1654 ie = Args.filtered_end(); it != ie; ++it) 1655 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1656 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1657 ie = Args.filtered_end(); it != ie; ++it) 1658 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1659 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1660 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1661 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1662 !(*it)->getOption().matches(OPT_iwithsysroot)); 1663 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1664 ie = Args.filtered_end(); it != ie; ++it) 1665 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1666 true); 1667 1668 // Add the paths for the various language specific isystem flags. 1669 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1670 ie = Args.filtered_end(); it != ie; ++it) 1671 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1672 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1673 ie = Args.filtered_end(); it != ie; ++it) 1674 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1675 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1676 ie = Args.filtered_end(); it != ie; ++it) 1677 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1678 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1679 ie = Args.filtered_end(); it != ie; ++it) 1680 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1681 true); 1682 1683 // Add the internal paths from a driver that detects standard include paths. 1684 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1685 OPT_internal_externc_isystem), 1686 E = Args.filtered_end(); 1687 I != E; ++I) 1688 Opts.AddPath((*I)->getValue(Args), frontend::System, 1689 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1690 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1691 } 1692 1693 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1694 LangStandard::Kind LangStd) { 1695 // Set some properties which depend solely on the input kind; it would be nice 1696 // to move these to the language standard, and have the driver resolve the 1697 // input kind + language standard. 1698 if (IK == IK_Asm) { 1699 Opts.AsmPreprocessor = 1; 1700 } else if (IK == IK_ObjC || 1701 IK == IK_ObjCXX || 1702 IK == IK_PreprocessedObjC || 1703 IK == IK_PreprocessedObjCXX) { 1704 Opts.ObjC1 = Opts.ObjC2 = 1; 1705 } 1706 1707 if (LangStd == LangStandard::lang_unspecified) { 1708 // Based on the base language, pick one. 1709 switch (IK) { 1710 case IK_None: 1711 case IK_AST: 1712 case IK_LLVM_IR: 1713 llvm_unreachable("Invalid input kind!"); 1714 case IK_OpenCL: 1715 LangStd = LangStandard::lang_opencl; 1716 break; 1717 case IK_CUDA: 1718 LangStd = LangStandard::lang_cuda; 1719 break; 1720 case IK_Asm: 1721 case IK_C: 1722 case IK_PreprocessedC: 1723 case IK_ObjC: 1724 case IK_PreprocessedObjC: 1725 LangStd = LangStandard::lang_gnu99; 1726 break; 1727 case IK_CXX: 1728 case IK_PreprocessedCXX: 1729 case IK_ObjCXX: 1730 case IK_PreprocessedObjCXX: 1731 LangStd = LangStandard::lang_gnucxx98; 1732 break; 1733 } 1734 } 1735 1736 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1737 Opts.BCPLComment = Std.hasBCPLComments(); 1738 Opts.C99 = Std.isC99(); 1739 Opts.C11 = Std.isC11(); 1740 Opts.CPlusPlus = Std.isCPlusPlus(); 1741 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1742 Opts.Digraphs = Std.hasDigraphs(); 1743 Opts.GNUMode = Std.isGNUMode(); 1744 Opts.GNUInline = !Std.isC99(); 1745 Opts.HexFloats = Std.hasHexFloats(); 1746 Opts.ImplicitInt = Std.hasImplicitInt(); 1747 1748 // OpenCL has some additional defaults. 1749 if (LangStd == LangStandard::lang_opencl) { 1750 Opts.OpenCL = 1; 1751 Opts.AltiVec = 0; 1752 Opts.CXXOperatorNames = 1; 1753 Opts.LaxVectorConversions = 0; 1754 Opts.DefaultFPContract = 1; 1755 } 1756 1757 if (LangStd == LangStandard::lang_cuda) 1758 Opts.CUDA = 1; 1759 1760 // OpenCL and C++ both have bool, true, false keywords. 1761 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1762 1763 Opts.GNUKeywords = Opts.GNUMode; 1764 Opts.CXXOperatorNames = Opts.CPlusPlus; 1765 1766 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1767 // is specified, or -std is set to a conforming mode. 1768 Opts.Trigraphs = !Opts.GNUMode; 1769 1770 Opts.DollarIdents = !Opts.AsmPreprocessor; 1771 } 1772 1773 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1774 DiagnosticsEngine &Diags) { 1775 // FIXME: Cleanup per-file based stuff. 1776 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1777 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1778 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1779 #define LANGSTANDARD(id, name, desc, features) \ 1780 .Case(name, LangStandard::lang_##id) 1781 #include "clang/Frontend/LangStandards.def" 1782 .Default(LangStandard::lang_unspecified); 1783 if (LangStd == LangStandard::lang_unspecified) 1784 Diags.Report(diag::err_drv_invalid_value) 1785 << A->getAsString(Args) << A->getValue(Args); 1786 else { 1787 // Valid standard, check to make sure language and standard are compatable. 1788 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1789 switch (IK) { 1790 case IK_C: 1791 case IK_ObjC: 1792 case IK_PreprocessedC: 1793 case IK_PreprocessedObjC: 1794 if (!(Std.isC89() || Std.isC99())) 1795 Diags.Report(diag::err_drv_argument_not_allowed_with) 1796 << A->getAsString(Args) << "C/ObjC"; 1797 break; 1798 case IK_CXX: 1799 case IK_ObjCXX: 1800 case IK_PreprocessedCXX: 1801 case IK_PreprocessedObjCXX: 1802 if (!Std.isCPlusPlus()) 1803 Diags.Report(diag::err_drv_argument_not_allowed_with) 1804 << A->getAsString(Args) << "C++/ObjC++"; 1805 break; 1806 case IK_OpenCL: 1807 if (!Std.isC99()) 1808 Diags.Report(diag::err_drv_argument_not_allowed_with) 1809 << A->getAsString(Args) << "OpenCL"; 1810 break; 1811 case IK_CUDA: 1812 if (!Std.isCPlusPlus()) 1813 Diags.Report(diag::err_drv_argument_not_allowed_with) 1814 << A->getAsString(Args) << "CUDA"; 1815 break; 1816 default: 1817 break; 1818 } 1819 } 1820 } 1821 1822 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1823 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1824 Diags.Report(diag::err_drv_invalid_value) 1825 << A->getAsString(Args) << A->getValue(Args); 1826 } 1827 } 1828 1829 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1830 1831 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1832 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1833 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1834 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1835 // name, as it doesn't seem a useful distinction. 1836 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1837 Opts.GNUKeywords); 1838 1839 if (Args.hasArg(OPT_fno_operator_names)) 1840 Opts.CXXOperatorNames = 0; 1841 1842 if (Opts.ObjC1) { 1843 if (Args.hasArg(OPT_fobjc_gc_only)) 1844 Opts.setGC(LangOptions::GCOnly); 1845 else if (Args.hasArg(OPT_fobjc_gc)) 1846 Opts.setGC(LangOptions::HybridGC); 1847 else if (Args.hasArg(OPT_fobjc_arc)) { 1848 Opts.ObjCAutoRefCount = 1; 1849 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1850 Diags.Report(diag::err_arc_nonfragile_abi); 1851 } 1852 1853 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1854 Opts.ObjCRuntimeHasWeak = 1; 1855 1856 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1857 Opts.ObjCInferRelatedResultType = 0; 1858 } 1859 1860 if (Args.hasArg(OPT_fgnu89_inline)) 1861 Opts.GNUInline = 1; 1862 1863 if (Args.hasArg(OPT_fapple_kext)) { 1864 if (!Opts.CPlusPlus) 1865 Diags.Report(diag::warn_c_kext); 1866 else 1867 Opts.AppleKext = 1; 1868 } 1869 1870 if (Args.hasArg(OPT_print_ivar_layout)) 1871 Opts.ObjCGCBitmapPrint = 1; 1872 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1873 Opts.NoConstantCFStrings = 1; 1874 1875 if (Args.hasArg(OPT_faltivec)) 1876 Opts.AltiVec = 1; 1877 1878 if (Args.hasArg(OPT_pthread)) 1879 Opts.POSIXThreads = 1; 1880 1881 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1882 Opts.DelayedTemplateParsing = 1; 1883 1884 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1885 if (Vis == "default") 1886 Opts.setVisibilityMode(DefaultVisibility); 1887 else if (Vis == "hidden") 1888 Opts.setVisibilityMode(HiddenVisibility); 1889 else if (Vis == "protected") 1890 // FIXME: diagnose if target does not support protected visibility 1891 Opts.setVisibilityMode(ProtectedVisibility); 1892 else 1893 Diags.Report(diag::err_drv_invalid_value) 1894 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1895 1896 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1897 Opts.InlineVisibilityHidden = 1; 1898 1899 if (Args.hasArg(OPT_ftrapv)) { 1900 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1901 // Set the handler, if one is specified. 1902 Opts.OverflowHandler = 1903 Args.getLastArgValue(OPT_ftrapv_handler); 1904 } 1905 else if (Args.hasArg(OPT_fwrapv)) 1906 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1907 1908 if (Args.hasArg(OPT_trigraphs)) 1909 Opts.Trigraphs = 1; 1910 1911 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1912 OPT_fno_dollars_in_identifiers, 1913 Opts.DollarIdents); 1914 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1915 Opts.MicrosoftExt 1916 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1917 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1918 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1919 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1920 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1921 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1922 Opts.ConstStrings); 1923 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1924 Opts.LaxVectorConversions = 0; 1925 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1926 Opts.ThreadsafeStatics = 0; 1927 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1928 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1929 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1930 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1931 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1932 1933 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1934 Opts.Blocks = Args.hasArg(OPT_fblocks); 1935 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1936 Opts.Modules = Args.hasArg(OPT_fmodules); 1937 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1938 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1939 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1940 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1941 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1942 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1943 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1944 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1945 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1946 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1947 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1948 Diags); 1949 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1950 Diags); 1951 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1952 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy_EQ, 1953 0, Diags); 1954 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1955 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1956 Opts.ObjCConstantStringClass = 1957 Args.getLastArgValue(OPT_fconstant_string_class); 1958 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1959 if (Opts.ObjCNonFragileABI) 1960 Opts.ObjCNonFragileABI2 = true; 1961 Opts.ObjCDefaultSynthProperties = 1962 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1963 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1964 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1965 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct_EQ, 0, Diags); 1966 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1967 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1968 Opts.Static = Args.hasArg(OPT_static_define); 1969 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1970 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1971 || Args.hasArg(OPT_fdump_record_layouts); 1972 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1973 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1974 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1975 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1976 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1977 Opts.MRTD = Args.hasArg(OPT_mrtd); 1978 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1979 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1980 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1981 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1982 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1983 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1984 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1985 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1986 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1987 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1988 1989 // Record whether the __DEPRECATED define was requested. 1990 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1991 OPT_fno_deprecated_macro, 1992 Opts.Deprecated); 1993 1994 // FIXME: Eliminate this dependency. 1995 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1996 Opts.Optimize = Opt != 0; 1997 Opts.OptimizeSize = getOptimizationLevelSize(Args, IK, Diags); 1998 1999 // This is the __NO_INLINE__ define, which just depends on things like the 2000 // optimization level and -fno-inline, not actually whether the backend has 2001 // inlining enabled. 2002 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 2003 2004 Opts.FastMath = Args.hasArg(OPT_ffast_math); 2005 2006 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 2007 switch (SSP) { 2008 default: 2009 Diags.Report(diag::err_drv_invalid_value) 2010 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 2011 break; 2012 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 2013 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 2014 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 2015 } 2016 } 2017 2018 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 2019 FileManager &FileMgr, 2020 DiagnosticsEngine &Diags) { 2021 using namespace options; 2022 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 2023 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 2024 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 2025 Opts.TokenCache = A->getValue(Args); 2026 else 2027 Opts.TokenCache = Opts.ImplicitPTHInclude; 2028 Opts.UsePredefines = !Args.hasArg(OPT_undef); 2029 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 2030 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 2031 2032 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 2033 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 2034 ie = Args.filtered_end(); it != ie; ++it) { 2035 const Arg *A = *it; 2036 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 2037 } 2038 2039 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 2040 StringRef Value(A->getValue(Args)); 2041 size_t Comma = Value.find(','); 2042 unsigned Bytes = 0; 2043 unsigned EndOfLine = 0; 2044 2045 if (Comma == StringRef::npos || 2046 Value.substr(0, Comma).getAsInteger(10, Bytes) || 2047 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 2048 Diags.Report(diag::err_drv_preamble_format); 2049 else { 2050 Opts.PrecompiledPreambleBytes.first = Bytes; 2051 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 2052 } 2053 } 2054 2055 // Add macros from the command line. 2056 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 2057 ie = Args.filtered_end(); it != ie; ++it) { 2058 if ((*it)->getOption().matches(OPT_D)) 2059 Opts.addMacroDef((*it)->getValue(Args)); 2060 else 2061 Opts.addMacroUndef((*it)->getValue(Args)); 2062 } 2063 2064 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2065 2066 // Add the ordered list of -includes. 2067 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2068 OPT_include_pth), 2069 ie = Args.filtered_end(); it != ie; ++it) { 2070 const Arg *A = *it; 2071 // PCH is handled specially, we need to extra the original include path. 2072 if (A->getOption().matches(OPT_include_pch)) { 2073 std::string OriginalFile = 2074 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2075 if (OriginalFile.empty()) 2076 continue; 2077 2078 Opts.Includes.push_back(OriginalFile); 2079 } else 2080 Opts.Includes.push_back(A->getValue(Args)); 2081 } 2082 2083 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2084 ie = Args.filtered_end(); it != ie; ++it) { 2085 const Arg *A = *it; 2086 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2087 } 2088 2089 // Include 'altivec.h' if -faltivec option present 2090 if (Args.hasArg(OPT_faltivec)) 2091 Opts.Includes.push_back("altivec.h"); 2092 2093 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2094 ie = Args.filtered_end(); it != ie; ++it) { 2095 const Arg *A = *it; 2096 std::pair<StringRef,StringRef> Split = 2097 StringRef(A->getValue(Args)).split(';'); 2098 2099 if (Split.second.empty()) { 2100 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2101 continue; 2102 } 2103 2104 Opts.addRemappedFile(Split.first, Split.second); 2105 } 2106 2107 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2108 StringRef Name = A->getValue(Args); 2109 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2110 .Case("libc++", ARCXX_libcxx) 2111 .Case("libstdc++", ARCXX_libstdcxx) 2112 .Case("none", ARCXX_nolib) 2113 .Default(~0U); 2114 if (Library == ~0U) 2115 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2116 else 2117 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2118 } 2119 } 2120 2121 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2122 ArgList &Args) { 2123 using namespace options; 2124 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2125 Opts.ShowComments = Args.hasArg(OPT_C); 2126 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2127 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2128 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2129 } 2130 2131 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2132 using namespace options; 2133 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2134 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2135 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2136 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2137 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2138 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2139 2140 // Use the default target triple if unspecified. 2141 if (Opts.Triple.empty()) 2142 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2143 } 2144 2145 // 2146 2147 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2148 const char *const *ArgBegin, 2149 const char *const *ArgEnd, 2150 DiagnosticsEngine &Diags) { 2151 bool Success = true; 2152 2153 // Parse the arguments. 2154 OwningPtr<OptTable> Opts(createDriverOptTable()); 2155 unsigned MissingArgIndex, MissingArgCount; 2156 OwningPtr<InputArgList> Args( 2157 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2158 2159 // Check for missing argument error. 2160 if (MissingArgCount) { 2161 Diags.Report(diag::err_drv_missing_argument) 2162 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2163 Success = false; 2164 } 2165 2166 // Issue errors on unknown arguments. 2167 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2168 ie = Args->filtered_end(); it != ie; ++it) { 2169 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2170 Success = false; 2171 } 2172 2173 // Issue errors on arguments that are not valid for CC1. 2174 for (ArgList::iterator I = Args->begin(), E = Args->end(); 2175 I != E; ++I) { 2176 if (!(*I)->getOption().isCC1Option()) { 2177 Diags.Report(diag::err_drv_unknown_argument) << (*I)->getAsString(*Args); 2178 Success = false; 2179 } 2180 } 2181 2182 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2183 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2184 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2185 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2186 && Success; 2187 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2188 // FIXME: We shouldn't have to pass the DashX option around here 2189 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2190 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2191 && Success; 2192 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2193 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2194 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2195 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2196 Res.getLangOpts()->ObjCExceptions = 1; 2197 } 2198 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2199 // PCH file and find the original header name. Remove the need to do that in 2200 // ParsePreprocessorArgs and remove the FileManager 2201 // parameters from the function and the "FileManager.h" #include. 2202 FileManager FileMgr(Res.getFileSystemOpts()); 2203 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2204 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2205 ParseTargetArgs(Res.getTargetOpts(), *Args); 2206 2207 return Success; 2208 } 2209 2210 namespace { 2211 2212 class ModuleSignature { 2213 llvm::SmallVector<uint64_t, 16> Data; 2214 unsigned CurBit; 2215 uint64_t CurValue; 2216 2217 public: 2218 ModuleSignature() : CurBit(0), CurValue(0) { } 2219 2220 void add(uint64_t Value, unsigned Bits); 2221 void add(StringRef Value); 2222 void flush(); 2223 2224 llvm::APInt getAsInteger() const; 2225 }; 2226 } 2227 2228 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2229 CurValue |= Value << CurBit; 2230 if (CurBit + NumBits < 64) { 2231 CurBit += NumBits; 2232 return; 2233 } 2234 2235 // Add the current word. 2236 Data.push_back(CurValue); 2237 2238 if (CurBit) 2239 CurValue = Value >> (64-CurBit); 2240 else 2241 CurValue = 0; 2242 CurBit = (CurBit+NumBits) & 63; 2243 } 2244 2245 void ModuleSignature::flush() { 2246 if (CurBit == 0) 2247 return; 2248 2249 Data.push_back(CurValue); 2250 CurBit = 0; 2251 CurValue = 0; 2252 } 2253 2254 void ModuleSignature::add(StringRef Value) { 2255 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2256 add(*I, 8); 2257 } 2258 2259 llvm::APInt ModuleSignature::getAsInteger() const { 2260 return llvm::APInt(Data.size() * 64, Data); 2261 } 2262 2263 std::string CompilerInvocation::getModuleHash() const { 2264 ModuleSignature Signature; 2265 2266 // Start the signature with the compiler version. 2267 // FIXME: The full version string can be quite long. Omit it from the 2268 // module hash for now to avoid failures where the path name becomes too 2269 // long. An MD5 or similar checksum would work well here. 2270 // Signature.add(getClangFullRepositoryVersion()); 2271 2272 // Extend the signature with the language options 2273 #define LANGOPT(Name, Bits, Default, Description) \ 2274 Signature.add(LangOpts->Name, Bits); 2275 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2276 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2277 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2278 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2279 #include "clang/Basic/LangOptions.def" 2280 2281 // Extend the signature with the target triple 2282 llvm::Triple T(TargetOpts.Triple); 2283 Signature.add((unsigned)T.getArch(), 5); 2284 Signature.add((unsigned)T.getVendor(), 4); 2285 Signature.add((unsigned)T.getOS(), 5); 2286 Signature.add((unsigned)T.getEnvironment(), 4); 2287 2288 // Extend the signature with preprocessor options. 2289 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2290 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2291 2292 // Hash the preprocessor defines. 2293 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2294 std::vector<StringRef> MacroDefs; 2295 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2296 I = getPreprocessorOpts().Macros.begin(), 2297 IEnd = getPreprocessorOpts().Macros.end(); 2298 I != IEnd; ++I) { 2299 if (!I->second) 2300 MacroDefs.push_back(I->first); 2301 } 2302 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2303 2304 unsigned PPHashResult = 0; 2305 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2306 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2307 Signature.add(PPHashResult, 32); 2308 2309 // We've generated the signature. Treat it as one large APInt that we'll 2310 // encode in base-36 and return. 2311 Signature.flush(); 2312 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2313 } 2314