1 //===--- CompilerInvocation.cpp -------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "clang/Frontend/CompilerInvocation.h" 11 #include "clang/Basic/Diagnostic.h" 12 #include "clang/Basic/Version.h" 13 #include "clang/Basic/FileManager.h" 14 #include "clang/Driver/Arg.h" 15 #include "clang/Driver/ArgList.h" 16 #include "clang/Driver/CC1Options.h" 17 #include "clang/Driver/DriverDiagnostic.h" 18 #include "clang/Driver/OptTable.h" 19 #include "clang/Driver/Option.h" 20 #include "clang/Frontend/CompilerInvocation.h" 21 #include "clang/Frontend/LangStandard.h" 22 #include "clang/Serialization/ASTReader.h" 23 #include "llvm/ADT/OwningPtr.h" 24 #include "llvm/ADT/SmallVector.h" 25 #include "llvm/ADT/StringExtras.h" 26 #include "llvm/ADT/StringSwitch.h" 27 #include "llvm/ADT/Triple.h" 28 #include "llvm/Support/ErrorHandling.h" 29 #include "llvm/Support/Host.h" 30 #include "llvm/Support/Path.h" 31 using namespace clang; 32 33 //===----------------------------------------------------------------------===// 34 // Initialization. 35 //===----------------------------------------------------------------------===// 36 37 CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40 CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44 //===----------------------------------------------------------------------===// 45 // Utility functions. 46 //===----------------------------------------------------------------------===// 47 48 static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54 #include "clang/Frontend/Analyses.def" 55 } 56 } 57 58 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64 #include "clang/Frontend/Analyses.def" 65 } 66 } 67 68 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74 #include "clang/Frontend/Analyses.def" 75 } 76 } 77 78 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis purge mode!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 89 switch (Kind) { 90 default: 91 llvm_unreachable("Unknown analysis ipa mode!"); 92 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 93 case NAME: return CMDFLAG; 94 #include "clang/Frontend/Analyses.def" 95 } 96 } 97 98 static const char * 99 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 100 switch (Kind) { 101 default: 102 llvm_unreachable("Unknown analysis inlining mode!"); 103 #define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 104 case NAME: return CMDFLAG; 105 #include "clang/Frontend/Analyses.def" 106 } 107 } 108 109 //===----------------------------------------------------------------------===// 110 // Serialization (to args) 111 //===----------------------------------------------------------------------===// 112 113 namespace { 114 /// ToArgsList - Helper class to create a list of std::strings. 115 class ToArgsList { 116 std::vector<std::string> &Res; 117 public: 118 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 119 120 void push_back(StringRef Str) { 121 // Avoid creating a temporary string. 122 Res.push_back(std::string()); 123 Res.back().assign(Str.data(), Str.size()); 124 } 125 126 void push_back(StringRef Str1, StringRef Str2) { 127 push_back(Str1); 128 push_back(Str2); 129 } 130 }; 131 } 132 133 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 134 if (Opts.ShowCheckerHelp) 135 Res.push_back("-analyzer-checker-help"); 136 if (Opts.AnalysisStoreOpt != RegionStoreModel) 137 Res.push_back("-analyzer-store", 138 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 139 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 140 Res.push_back("-analyzer-constraints", 141 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 142 if (Opts.AnalysisDiagOpt != PD_HTML) 143 Res.push_back("-analyzer-output", 144 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 145 if (Opts.AnalysisPurgeOpt != PurgeStmt) 146 Res.push_back("-analyzer-purge", 147 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 148 if (!Opts.AnalyzeSpecificFunction.empty()) 149 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 150 if (Opts.IPAMode != Inlining) 151 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 152 if (Opts.InliningMode != NoRedundancy) 153 Res.push_back("-analyzer-inlining-mode", 154 getAnalysisInliningModeName(Opts.InliningMode)); 155 156 if (Opts.AnalyzeAll) 157 Res.push_back("-analyzer-opt-analyze-headers"); 158 if (Opts.AnalyzerDisplayProgress) 159 Res.push_back("-analyzer-display-progress"); 160 if (Opts.AnalyzeNestedBlocks) 161 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 162 if (Opts.EagerlyAssume) 163 Res.push_back("-analyzer-eagerly-assume"); 164 if (Opts.TrimGraph) 165 Res.push_back("-trim-egraph"); 166 if (Opts.VisualizeEGDot) 167 Res.push_back("-analyzer-viz-egraph-graphviz"); 168 if (Opts.VisualizeEGUbi) 169 Res.push_back("-analyzer-viz-egraph-ubigraph"); 170 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 if (Opts.DebugInfo) 185 Res.push_back("-g"); 186 if (Opts.DisableLLVMOpts) 187 Res.push_back("-disable-llvm-optzns"); 188 if (Opts.DisableRedZone) 189 Res.push_back("-disable-red-zone"); 190 if (Opts.DisableTailCalls) 191 Res.push_back("-mdisable-tail-calls"); 192 if (!Opts.DebugCompilationDir.empty()) 193 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 194 if (!Opts.DwarfDebugFlags.empty()) 195 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 196 if (Opts.ObjCRuntimeHasARC) 197 Res.push_back("-fobjc-runtime-has-arc"); 198 if (Opts.ObjCRuntimeHasTerminate) 199 Res.push_back("-fobjc-runtime-has-terminate"); 200 if (Opts.EmitGcovArcs) 201 Res.push_back("-femit-coverage-data"); 202 if (Opts.EmitGcovNotes) 203 Res.push_back("-femit-coverage-notes"); 204 if (!Opts.MergeAllConstants) 205 Res.push_back("-fno-merge-all-constants"); 206 if (Opts.NoCommon) 207 Res.push_back("-fno-common"); 208 if (Opts.ForbidGuardVariables) 209 Res.push_back("-fforbid-guard-variables"); 210 if (Opts.UseRegisterSizedBitfieldAccess) 211 Res.push_back("-fuse-register-sized-bitfield-access"); 212 if (Opts.NoImplicitFloat) 213 Res.push_back("-no-implicit-float"); 214 if (Opts.OmitLeafFramePointer) 215 Res.push_back("-momit-leaf-frame-pointer"); 216 if (Opts.OptimizeSize) { 217 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 218 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 219 } else if (Opts.OptimizationLevel != 0) 220 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 221 if (!Opts.MainFileName.empty()) 222 Res.push_back("-main-file-name", Opts.MainFileName); 223 if (Opts.NoInfsFPMath) 224 Res.push_back("-menable-no-infinities"); 225 if (Opts.NoNaNsFPMath) 226 Res.push_back("-menable-no-nans"); 227 // SimplifyLibCalls is only derived. 228 // TimePasses is only derived. 229 // UnitAtATime is unused. 230 // Inlining is only derived. 231 232 // UnrollLoops is derived, but also accepts an option, no 233 // harm in pushing it back here. 234 if (Opts.UnrollLoops) 235 Res.push_back("-funroll-loops"); 236 if (Opts.DataSections) 237 Res.push_back("-fdata-sections"); 238 if (Opts.FunctionSections) 239 Res.push_back("-ffunction-sections"); 240 if (Opts.AsmVerbose) 241 Res.push_back("-masm-verbose"); 242 if (!Opts.CodeModel.empty()) 243 Res.push_back("-mcode-model", Opts.CodeModel); 244 if (Opts.CUDAIsDevice) 245 Res.push_back("-fcuda-is-device"); 246 if (!Opts.CXAAtExit) 247 Res.push_back("-fno-use-cxa-atexit"); 248 if (Opts.CXXCtorDtorAliases) 249 Res.push_back("-mconstructor-aliases"); 250 if (Opts.ObjCAutoRefCountExceptions) 251 Res.push_back("-fobjc-arc-eh"); 252 if (!Opts.DebugPass.empty()) { 253 Res.push_back("-mdebug-pass", Opts.DebugPass); 254 } 255 if (Opts.DisableFPElim) 256 Res.push_back("-mdisable-fp-elim"); 257 if (!Opts.FloatABI.empty()) 258 Res.push_back("-mfloat-abi", Opts.FloatABI); 259 if (!Opts.LimitFloatPrecision.empty()) 260 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 261 if (Opts.NoZeroInitializedInBSS) 262 Res.push_back("-mno-zero-initialized-bss"); 263 switch (Opts.getObjCDispatchMethod()) { 264 case CodeGenOptions::Legacy: 265 break; 266 case CodeGenOptions::Mixed: 267 Res.push_back("-fobjc-dispatch-method=mixed"); 268 break; 269 case CodeGenOptions::NonLegacy: 270 Res.push_back("-fobjc-dispatch-method=non-legacy"); 271 break; 272 } 273 if (Opts.NumRegisterParameters) 274 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 275 if (Opts.NoGlobalMerge) 276 Res.push_back("-mno-global-merge"); 277 if (Opts.NoExecStack) 278 Res.push_back("-mnoexecstack"); 279 if (Opts.RelaxAll) 280 Res.push_back("-mrelax-all"); 281 if (Opts.SaveTempLabels) 282 Res.push_back("-msave-temp-labels"); 283 if (Opts.NoDwarf2CFIAsm) 284 Res.push_back("-fno-dwarf2-cfi-asm"); 285 if (Opts.NoDwarfDirectoryAsm) 286 Res.push_back("-fno-dwarf-directory-asm"); 287 if (Opts.SoftFloat) 288 Res.push_back("-msoft-float"); 289 if (Opts.StrictEnums) 290 Res.push_back("-fstrict-enums"); 291 if (Opts.UnwindTables) 292 Res.push_back("-munwind-tables"); 293 if (Opts.RelocationModel != "pic") 294 Res.push_back("-mrelocation-model", Opts.RelocationModel); 295 if (!Opts.VerifyModule) 296 Res.push_back("-disable-llvm-verifier"); 297 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 298 Res.push_back("-backend-option", Opts.BackendOptions[i]); 299 } 300 301 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 302 ToArgsList &Res) { 303 if (Opts.IncludeSystemHeaders) 304 Res.push_back("-sys-header-deps"); 305 if (Opts.ShowHeaderIncludes) 306 Res.push_back("-H"); 307 if (!Opts.HeaderIncludeOutputFile.empty()) 308 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 309 if (Opts.UsePhonyTargets) 310 Res.push_back("-MP"); 311 if (!Opts.OutputFile.empty()) 312 Res.push_back("-dependency-file", Opts.OutputFile); 313 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 314 Res.push_back("-MT", Opts.Targets[i]); 315 } 316 317 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 318 ToArgsList &Res) { 319 if (Opts.IgnoreWarnings) 320 Res.push_back("-w"); 321 if (Opts.NoRewriteMacros) 322 Res.push_back("-Wno-rewrite-macros"); 323 if (Opts.Pedantic) 324 Res.push_back("-pedantic"); 325 if (Opts.PedanticErrors) 326 Res.push_back("-pedantic-errors"); 327 if (!Opts.ShowColumn) 328 Res.push_back("-fno-show-column"); 329 if (!Opts.ShowLocation) 330 Res.push_back("-fno-show-source-location"); 331 if (!Opts.ShowCarets) 332 Res.push_back("-fno-caret-diagnostics"); 333 if (!Opts.ShowFixits) 334 Res.push_back("-fno-diagnostics-fixit-info"); 335 if (Opts.ShowSourceRanges) 336 Res.push_back("-fdiagnostics-print-source-range-info"); 337 if (Opts.ShowParseableFixits) 338 Res.push_back("-fdiagnostics-parseable-fixits"); 339 if (Opts.ShowColors) 340 Res.push_back("-fcolor-diagnostics"); 341 if (Opts.VerifyDiagnostics) 342 Res.push_back("-verify"); 343 if (Opts.ShowOptionNames) 344 Res.push_back("-fdiagnostics-show-option"); 345 if (Opts.ShowCategories == 1) 346 Res.push_back("-fdiagnostics-show-category=id"); 347 else if (Opts.ShowCategories == 2) 348 Res.push_back("-fdiagnostics-show-category=name"); 349 switch (Opts.Format) { 350 case DiagnosticOptions::Clang: 351 Res.push_back("-fdiagnostics-format=clang"); break; 352 case DiagnosticOptions::Msvc: 353 Res.push_back("-fdiagnostics-format=msvc"); break; 354 case DiagnosticOptions::Vi: 355 Res.push_back("-fdiagnostics-format=vi"); break; 356 } 357 if (Opts.ErrorLimit) 358 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 359 if (!Opts.DiagnosticLogFile.empty()) 360 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 361 if (Opts.MacroBacktraceLimit 362 != DiagnosticOptions::DefaultMacroBacktraceLimit) 363 Res.push_back("-fmacro-backtrace-limit", 364 llvm::utostr(Opts.MacroBacktraceLimit)); 365 if (Opts.TemplateBacktraceLimit 366 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 367 Res.push_back("-ftemplate-backtrace-limit", 368 llvm::utostr(Opts.TemplateBacktraceLimit)); 369 if (Opts.ConstexprBacktraceLimit 370 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 371 Res.push_back("-fconstexpr-backtrace-limit", 372 llvm::utostr(Opts.ConstexprBacktraceLimit)); 373 374 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 375 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 376 if (Opts.MessageLength) 377 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 378 if (!Opts.DumpBuildInformation.empty()) 379 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 380 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 381 Res.push_back("-W" + Opts.Warnings[i]); 382 } 383 384 static const char *getInputKindName(InputKind Kind) { 385 switch (Kind) { 386 case IK_None: break; 387 case IK_AST: return "ast"; 388 case IK_Asm: return "assembler-with-cpp"; 389 case IK_C: return "c"; 390 case IK_CXX: return "c++"; 391 case IK_LLVM_IR: return "ir"; 392 case IK_ObjC: return "objective-c"; 393 case IK_ObjCXX: return "objective-c++"; 394 case IK_OpenCL: return "cl"; 395 case IK_CUDA: return "cuda"; 396 case IK_PreprocessedC: return "cpp-output"; 397 case IK_PreprocessedCXX: return "c++-cpp-output"; 398 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 399 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 400 } 401 402 llvm_unreachable("Unexpected language kind!"); 403 } 404 405 static const char *getActionName(frontend::ActionKind Kind) { 406 switch (Kind) { 407 case frontend::PluginAction: 408 llvm_unreachable("Invalid kind!"); 409 410 case frontend::ASTDump: return "-ast-dump"; 411 case frontend::ASTDumpXML: return "-ast-dump-xml"; 412 case frontend::ASTPrint: return "-ast-print"; 413 case frontend::ASTView: return "-ast-view"; 414 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 415 case frontend::DumpTokens: return "-dump-tokens"; 416 case frontend::EmitAssembly: return "-S"; 417 case frontend::EmitBC: return "-emit-llvm-bc"; 418 case frontend::EmitHTML: return "-emit-html"; 419 case frontend::EmitLLVM: return "-emit-llvm"; 420 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 421 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 422 case frontend::EmitObj: return "-emit-obj"; 423 case frontend::FixIt: return "-fixit"; 424 case frontend::GenerateModule: return "-emit-module"; 425 case frontend::GeneratePCH: return "-emit-pch"; 426 case frontend::GeneratePTH: return "-emit-pth"; 427 case frontend::InitOnly: return "-init-only"; 428 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 429 case frontend::PrintDeclContext: return "-print-decl-contexts"; 430 case frontend::PrintPreamble: return "-print-preamble"; 431 case frontend::PrintPreprocessedInput: return "-E"; 432 case frontend::RewriteMacros: return "-rewrite-macros"; 433 case frontend::RewriteObjC: return "-rewrite-objc"; 434 case frontend::RewriteTest: return "-rewrite-test"; 435 case frontend::RunAnalysis: return "-analyze"; 436 case frontend::MigrateSource: return "-migrate"; 437 case frontend::RunPreprocessorOnly: return "-Eonly"; 438 } 439 440 llvm_unreachable("Unexpected language kind!"); 441 } 442 443 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 444 if (!Opts.WorkingDir.empty()) 445 Res.push_back("-working-directory", Opts.WorkingDir); 446 } 447 448 static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 449 if (Opts.DisableFree) 450 Res.push_back("-disable-free"); 451 if (Opts.RelocatablePCH) 452 Res.push_back("-relocatable-pch"); 453 if (Opts.ShowHelp) 454 Res.push_back("-help"); 455 if (Opts.ShowMacrosInCodeCompletion) 456 Res.push_back("-code-completion-macros"); 457 if (Opts.ShowCodePatternsInCodeCompletion) 458 Res.push_back("-code-completion-patterns"); 459 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 460 Res.push_back("-no-code-completion-globals"); 461 if (Opts.ShowStats) 462 Res.push_back("-print-stats"); 463 if (Opts.ShowTimers) 464 Res.push_back("-ftime-report"); 465 if (Opts.ShowVersion) 466 Res.push_back("-version"); 467 if (Opts.FixWhatYouCan) 468 Res.push_back("-fix-what-you-can"); 469 if (Opts.FixOnlyWarnings) 470 Res.push_back("-fix-only-warnings"); 471 if (Opts.FixAndRecompile) 472 Res.push_back("-fixit-recompile"); 473 if (Opts.FixToTemporaries) 474 Res.push_back("-fixit-to-temporary"); 475 switch (Opts.ARCMTAction) { 476 case FrontendOptions::ARCMT_None: 477 break; 478 case FrontendOptions::ARCMT_Check: 479 Res.push_back("-arcmt-check"); 480 break; 481 case FrontendOptions::ARCMT_Modify: 482 Res.push_back("-arcmt-modify"); 483 break; 484 case FrontendOptions::ARCMT_Migrate: 485 Res.push_back("-arcmt-migrate"); 486 break; 487 } 488 if (!Opts.MTMigrateDir.empty()) 489 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 490 if (!Opts.ARCMTMigrateReportOut.empty()) 491 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 492 if (Opts.ARCMTMigrateEmitARCErrors) 493 Res.push_back("-arcmt-migrate-emit-errors"); 494 495 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 496 Res.push_back("-objcmt-migrate-literals"); 497 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 498 Res.push_back("-objcmt-migrate-subscripting"); 499 500 bool NeedLang = false; 501 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 502 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 503 Opts.Inputs[i].Kind) 504 NeedLang = true; 505 if (NeedLang) 506 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 507 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 508 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 509 "Unable to represent this input vector!"); 510 Res.push_back(Opts.Inputs[i].File); 511 } 512 513 if (!Opts.OutputFile.empty()) 514 Res.push_back("-o", Opts.OutputFile); 515 if (!Opts.CodeCompletionAt.FileName.empty()) 516 Res.push_back("-code-completion-at", 517 Opts.CodeCompletionAt.FileName + ":" + 518 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 519 llvm::utostr(Opts.CodeCompletionAt.Column)); 520 if (Opts.ProgramAction != frontend::PluginAction) 521 Res.push_back(getActionName(Opts.ProgramAction)); 522 if (!Opts.ActionName.empty()) { 523 Res.push_back("-plugin", Opts.ActionName); 524 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 525 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 526 } 527 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 528 Res.push_back("-load", Opts.Plugins[i]); 529 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 530 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 531 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 532 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 533 Opts.AddPluginArgs[i][ai]); 534 } 535 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 536 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 537 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 538 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 539 if (!Opts.OverrideRecordLayoutsFile.empty()) 540 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 541 } 542 543 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 544 ToArgsList &Res) { 545 if (Opts.Sysroot != "/") { 546 Res.push_back("-isysroot"); 547 Res.push_back(Opts.Sysroot); 548 } 549 550 /// User specified include entries. 551 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 552 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 553 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 554 llvm::report_fatal_error("Invalid option set!"); 555 if (E.IsUserSupplied) { 556 switch (E.Group) { 557 case frontend::After: 558 Res.push_back("-idirafter"); 559 break; 560 561 case frontend::Quoted: 562 Res.push_back("-iquote"); 563 break; 564 565 case frontend::System: 566 Res.push_back("-isystem"); 567 break; 568 569 case frontend::IndexHeaderMap: 570 Res.push_back("-index-header-map"); 571 Res.push_back(E.IsFramework? "-F" : "-I"); 572 break; 573 574 case frontend::CSystem: 575 Res.push_back("-c-isystem"); 576 break; 577 578 case frontend::CXXSystem: 579 Res.push_back("-cxx-isystem"); 580 break; 581 582 case frontend::ObjCSystem: 583 Res.push_back("-objc-isystem"); 584 break; 585 586 case frontend::ObjCXXSystem: 587 Res.push_back("-objcxx-isystem"); 588 break; 589 590 case frontend::Angled: 591 Res.push_back(E.IsFramework ? "-F" : "-I"); 592 break; 593 } 594 } else { 595 if (E.IsInternal) { 596 assert(E.Group == frontend::System && "Unexpected header search group"); 597 if (E.ImplicitExternC) 598 Res.push_back("-internal-externc-isystem"); 599 else 600 Res.push_back("-internal-isystem"); 601 } else { 602 if (E.Group != frontend::Angled && E.Group != frontend::System) 603 llvm::report_fatal_error("Invalid option set!"); 604 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 605 "-iwithprefix"); 606 } 607 } 608 Res.push_back(E.Path); 609 } 610 611 if (!Opts.ResourceDir.empty()) 612 Res.push_back("-resource-dir", Opts.ResourceDir); 613 if (!Opts.ModuleCachePath.empty()) 614 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 615 if (!Opts.UseStandardSystemIncludes) 616 Res.push_back("-nostdsysteminc"); 617 if (!Opts.UseStandardCXXIncludes) 618 Res.push_back("-nostdinc++"); 619 if (Opts.UseLibcxx) 620 Res.push_back("-stdlib=libc++"); 621 if (Opts.Verbose) 622 Res.push_back("-v"); 623 } 624 625 static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 626 LangOptions DefaultLangOpts; 627 628 // FIXME: Need to set -std to get all the implicit options. 629 630 // FIXME: We want to only pass options relative to the defaults, which 631 // requires constructing a target. :( 632 // 633 // It would be better to push the all target specific choices into the driver, 634 // so that everything below that was more uniform. 635 636 if (Opts.Trigraphs) 637 Res.push_back("-trigraphs"); 638 // Implicit based on the input kind: 639 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 640 // Implicit based on the input language standard: 641 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 642 if (Opts.DollarIdents) 643 Res.push_back("-fdollars-in-identifiers"); 644 if (Opts.GNUMode && !Opts.GNUKeywords) 645 Res.push_back("-fno-gnu-keywords"); 646 if (!Opts.GNUMode && Opts.GNUKeywords) 647 Res.push_back("-fgnu-keywords"); 648 if (Opts.MicrosoftExt) 649 Res.push_back("-fms-extensions"); 650 if (Opts.MicrosoftMode) 651 Res.push_back("-fms-compatibility"); 652 if (Opts.MSCVersion != 0) 653 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 654 if (Opts.Borland) 655 Res.push_back("-fborland-extensions"); 656 if (!Opts.ObjCNonFragileABI) 657 Res.push_back("-fobjc-fragile-abi"); 658 if (Opts.ObjCDefaultSynthProperties) 659 Res.push_back("-fobjc-default-synthesize-properties"); 660 // NoInline is implicit. 661 if (!Opts.CXXOperatorNames) 662 Res.push_back("-fno-operator-names"); 663 if (Opts.PascalStrings) 664 Res.push_back("-fpascal-strings"); 665 if (Opts.CatchUndefined) 666 Res.push_back("-fcatch-undefined-behavior"); 667 if (Opts.AddressSanitizer) 668 Res.push_back("-faddress-sanitizer"); 669 if (Opts.ThreadSanitizer) 670 Res.push_back("-fthread-sanitizer"); 671 if (Opts.WritableStrings) 672 Res.push_back("-fwritable-strings"); 673 if (Opts.ConstStrings) 674 Res.push_back("-fconst-strings"); 675 if (!Opts.LaxVectorConversions) 676 Res.push_back("-fno-lax-vector-conversions"); 677 if (Opts.AltiVec) 678 Res.push_back("-faltivec"); 679 if (Opts.Exceptions) 680 Res.push_back("-fexceptions"); 681 if (Opts.ObjCExceptions) 682 Res.push_back("-fobjc-exceptions"); 683 if (Opts.CXXExceptions) 684 Res.push_back("-fcxx-exceptions"); 685 if (Opts.SjLjExceptions) 686 Res.push_back("-fsjlj-exceptions"); 687 if (Opts.TraditionalCPP) 688 Res.push_back("-traditional-cpp"); 689 if (!Opts.RTTI) 690 Res.push_back("-fno-rtti"); 691 if (Opts.MSBitfields) 692 Res.push_back("-mms-bitfields"); 693 if (!Opts.NeXTRuntime) 694 Res.push_back("-fgnu-runtime"); 695 if (Opts.Freestanding) 696 Res.push_back("-ffreestanding"); 697 if (Opts.NoBuiltin) 698 Res.push_back("-fno-builtin"); 699 if (!Opts.AssumeSaneOperatorNew) 700 Res.push_back("-fno-assume-sane-operator-new"); 701 if (!Opts.ThreadsafeStatics) 702 Res.push_back("-fno-threadsafe-statics"); 703 if (Opts.POSIXThreads) 704 Res.push_back("-pthread"); 705 if (Opts.Blocks) 706 Res.push_back("-fblocks"); 707 if (Opts.BlocksRuntimeOptional) 708 Res.push_back("-fblocks-runtime-optional"); 709 if (Opts.Modules) 710 Res.push_back("-fmodules"); 711 if (Opts.EmitAllDecls) 712 Res.push_back("-femit-all-decls"); 713 if (Opts.MathErrno) 714 Res.push_back("-fmath-errno"); 715 switch (Opts.getSignedOverflowBehavior()) { 716 case LangOptions::SOB_Undefined: break; 717 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 718 case LangOptions::SOB_Trapping: 719 Res.push_back("-ftrapv"); 720 if (!Opts.OverflowHandler.empty()) 721 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 722 break; 723 } 724 if (Opts.HeinousExtensions) 725 Res.push_back("-fheinous-gnu-extensions"); 726 // Optimize is implicit. 727 // OptimizeSize is implicit. 728 if (Opts.FastMath) 729 Res.push_back("-ffast-math"); 730 if (Opts.Static) 731 Res.push_back("-static-define"); 732 if (Opts.DumpRecordLayoutsSimple) 733 Res.push_back("-fdump-record-layouts-simple"); 734 else if (Opts.DumpRecordLayouts) 735 Res.push_back("-fdump-record-layouts"); 736 if (Opts.DumpVTableLayouts) 737 Res.push_back("-fdump-vtable-layouts"); 738 if (Opts.NoBitFieldTypeAlign) 739 Res.push_back("-fno-bitfield-type-alignment"); 740 if (Opts.PICLevel) 741 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 742 if (Opts.PIELevel) 743 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 744 if (Opts.ObjCGCBitmapPrint) 745 Res.push_back("-print-ivar-layout"); 746 if (Opts.NoConstantCFStrings) 747 Res.push_back("-fno-constant-cfstrings"); 748 if (!Opts.AccessControl) 749 Res.push_back("-fno-access-control"); 750 if (!Opts.CharIsSigned) 751 Res.push_back("-fno-signed-char"); 752 if (Opts.ShortWChar) 753 Res.push_back("-fshort-wchar"); 754 if (!Opts.ElideConstructors) 755 Res.push_back("-fno-elide-constructors"); 756 if (Opts.getGC() != LangOptions::NonGC) { 757 if (Opts.getGC() == LangOptions::HybridGC) { 758 Res.push_back("-fobjc-gc"); 759 } else { 760 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 761 Res.push_back("-fobjc-gc-only"); 762 } 763 } 764 if (Opts.ObjCAutoRefCount) 765 Res.push_back("-fobjc-arc"); 766 if (Opts.ObjCRuntimeHasWeak) 767 Res.push_back("-fobjc-runtime-has-weak"); 768 if (!Opts.ObjCInferRelatedResultType) 769 Res.push_back("-fno-objc-infer-related-result-type"); 770 771 if (Opts.AppleKext) 772 Res.push_back("-fapple-kext"); 773 774 if (Opts.getVisibilityMode() != DefaultVisibility) { 775 Res.push_back("-fvisibility"); 776 if (Opts.getVisibilityMode() == HiddenVisibility) { 777 Res.push_back("hidden"); 778 } else { 779 assert(Opts.getVisibilityMode() == ProtectedVisibility && 780 "Invalid visibility!"); 781 Res.push_back("protected"); 782 } 783 } 784 if (Opts.InlineVisibilityHidden) 785 Res.push_back("-fvisibility-inlines-hidden"); 786 787 if (Opts.getStackProtector() != 0) 788 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 789 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 790 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 791 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 792 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 793 if (!Opts.ObjCConstantStringClass.empty()) 794 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 795 if (Opts.FakeAddressSpaceMap) 796 Res.push_back("-ffake-address-space-map"); 797 if (Opts.ParseUnknownAnytype) 798 Res.push_back("-funknown-anytype"); 799 if (Opts.DebuggerSupport) 800 Res.push_back("-fdebugger-support"); 801 if (Opts.DebuggerCastResultToId) 802 Res.push_back("-fdebugger-cast-result-to-id"); 803 if (Opts.DebuggerObjCLiteral) 804 Res.push_back("-fdebugger-objc-literal"); 805 if (Opts.DelayedTemplateParsing) 806 Res.push_back("-fdelayed-template-parsing"); 807 if (Opts.Deprecated) 808 Res.push_back("-fdeprecated-macro"); 809 if (Opts.ApplePragmaPack) 810 Res.push_back("-fapple-pragma-pack"); 811 if (!Opts.CurrentModule.empty()) 812 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 813 } 814 815 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 816 ToArgsList &Res) { 817 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 818 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 819 Opts.Macros[i].first); 820 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 821 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 822 Res.push_back("-include", Opts.Includes[i]); 823 } 824 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 825 Res.push_back("-imacros", Opts.MacroIncludes[i]); 826 if (!Opts.UsePredefines) 827 Res.push_back("-undef"); 828 if (Opts.DetailedRecord) 829 Res.push_back("-detailed-preprocessing-record"); 830 if (!Opts.ImplicitPCHInclude.empty()) 831 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 832 if (!Opts.ImplicitPTHInclude.empty()) 833 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 834 if (!Opts.TokenCache.empty()) { 835 if (Opts.ImplicitPTHInclude.empty()) 836 Res.push_back("-token-cache", Opts.TokenCache); 837 else 838 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 839 "Unsupported option combination!"); 840 } 841 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 842 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 843 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 844 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 845 Opts.RemappedFiles[i].second); 846 } 847 } 848 849 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 850 ToArgsList &Res) { 851 if (!Opts.ShowCPP && !Opts.ShowMacros) 852 llvm::report_fatal_error("Invalid option combination!"); 853 854 if (Opts.ShowCPP && Opts.ShowMacros) 855 Res.push_back("-dD"); 856 else if (!Opts.ShowCPP && Opts.ShowMacros) 857 Res.push_back("-dM"); 858 859 if (!Opts.ShowLineMarkers) 860 Res.push_back("-P"); 861 if (Opts.ShowComments) 862 Res.push_back("-C"); 863 if (Opts.ShowMacroComments) 864 Res.push_back("-CC"); 865 } 866 867 static void TargetOptsToArgs(const TargetOptions &Opts, 868 ToArgsList &Res) { 869 Res.push_back("-triple"); 870 Res.push_back(Opts.Triple); 871 if (!Opts.CPU.empty()) 872 Res.push_back("-target-cpu", Opts.CPU); 873 if (!Opts.ABI.empty()) 874 Res.push_back("-target-abi", Opts.ABI); 875 if (!Opts.LinkerVersion.empty()) 876 Res.push_back("-target-linker-version", Opts.LinkerVersion); 877 if (!Opts.CXXABI.empty()) 878 Res.push_back("-cxx-abi", Opts.CXXABI); 879 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 880 Res.push_back("-target-feature", Opts.Features[i]); 881 } 882 883 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 884 ToArgsList List(Res); 885 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 886 CodeGenOptsToArgs(getCodeGenOpts(), List); 887 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 888 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 889 FileSystemOptsToArgs(getFileSystemOpts(), List); 890 FrontendOptsToArgs(getFrontendOpts(), List); 891 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 892 LangOptsToArgs(*getLangOpts(), List); 893 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 894 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 895 TargetOptsToArgs(getTargetOpts(), List); 896 } 897 898 //===----------------------------------------------------------------------===// 899 // Deserialization (to args) 900 //===----------------------------------------------------------------------===// 901 902 using namespace clang::driver; 903 using namespace clang::driver::cc1options; 904 905 // 906 907 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 908 DiagnosticsEngine &Diags) { 909 unsigned DefaultOpt = 0; 910 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 911 DefaultOpt = 2; 912 // -Os/-Oz implies -O2 913 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 914 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 915 } 916 917 static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 918 DiagnosticsEngine &Diags) { 919 using namespace cc1options; 920 bool Success = true; 921 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 922 StringRef Name = A->getValue(Args); 923 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 924 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 925 .Case(CMDFLAG, NAME##Model) 926 #include "clang/Frontend/Analyses.def" 927 .Default(NumStores); 928 if (Value == NumStores) { 929 Diags.Report(diag::err_drv_invalid_value) 930 << A->getAsString(Args) << Name; 931 Success = false; 932 } else { 933 Opts.AnalysisStoreOpt = Value; 934 } 935 } 936 937 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 938 StringRef Name = A->getValue(Args); 939 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 940 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 941 .Case(CMDFLAG, NAME##Model) 942 #include "clang/Frontend/Analyses.def" 943 .Default(NumConstraints); 944 if (Value == NumConstraints) { 945 Diags.Report(diag::err_drv_invalid_value) 946 << A->getAsString(Args) << Name; 947 Success = false; 948 } else { 949 Opts.AnalysisConstraintsOpt = Value; 950 } 951 } 952 953 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 954 StringRef Name = A->getValue(Args); 955 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 956 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 957 .Case(CMDFLAG, PD_##NAME) 958 #include "clang/Frontend/Analyses.def" 959 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 960 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 961 Diags.Report(diag::err_drv_invalid_value) 962 << A->getAsString(Args) << Name; 963 Success = false; 964 } else { 965 Opts.AnalysisDiagOpt = Value; 966 } 967 } 968 969 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 970 StringRef Name = A->getValue(Args); 971 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 972 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 973 .Case(CMDFLAG, NAME) 974 #include "clang/Frontend/Analyses.def" 975 .Default(NumPurgeModes); 976 if (Value == NumPurgeModes) { 977 Diags.Report(diag::err_drv_invalid_value) 978 << A->getAsString(Args) << Name; 979 Success = false; 980 } else { 981 Opts.AnalysisPurgeOpt = Value; 982 } 983 } 984 985 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 986 StringRef Name = A->getValue(Args); 987 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 988 #define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 989 .Case(CMDFLAG, NAME) 990 #include "clang/Frontend/Analyses.def" 991 .Default(NumIPAModes); 992 if (Value == NumIPAModes) { 993 Diags.Report(diag::err_drv_invalid_value) 994 << A->getAsString(Args) << Name; 995 Success = false; 996 } else { 997 Opts.IPAMode = Value; 998 } 999 } 1000 1001 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1002 StringRef Name = A->getValue(Args); 1003 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1004 #define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1005 .Case(CMDFLAG, NAME) 1006 #include "clang/Frontend/Analyses.def" 1007 .Default(NumInliningModes); 1008 if (Value == NumInliningModes) { 1009 Diags.Report(diag::err_drv_invalid_value) 1010 << A->getAsString(Args) << Name; 1011 Success = false; 1012 } else { 1013 Opts.InliningMode = Value; 1014 } 1015 } 1016 1017 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1018 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1019 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1020 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1021 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1022 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1023 Opts.AnalyzeNestedBlocks = 1024 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1025 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1026 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1027 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1028 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1029 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1030 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1031 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1032 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1033 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1034 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1035 Opts.InlineMaxStackDepth = 1036 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1037 Opts.InlineMaxStackDepth, Diags); 1038 Opts.InlineMaxFunctionSize = 1039 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1040 Opts.InlineMaxFunctionSize, Diags); 1041 1042 Opts.CheckersControlList.clear(); 1043 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1044 OPT_analyzer_disable_checker), 1045 ie = Args.filtered_end(); it != ie; ++it) { 1046 const Arg *A = *it; 1047 A->claim(); 1048 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1049 // We can have a list of comma separated checker names, e.g: 1050 // '-analyzer-checker=cocoa,unix' 1051 StringRef checkerList = A->getValue(Args); 1052 SmallVector<StringRef, 4> checkers; 1053 checkerList.split(checkers, ","); 1054 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1055 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1056 } 1057 1058 return Success; 1059 } 1060 1061 static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1062 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1063 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1064 return true; 1065 } 1066 1067 static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1068 DiagnosticsEngine &Diags) { 1069 using namespace cc1options; 1070 bool Success = true; 1071 1072 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1073 if (OptLevel > 3) { 1074 Diags.Report(diag::err_drv_invalid_value) 1075 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1076 OptLevel = 3; 1077 Success = false; 1078 } 1079 Opts.OptimizationLevel = OptLevel; 1080 1081 // We must always run at least the always inlining pass. 1082 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1083 : CodeGenOptions::OnlyAlwaysInlining; 1084 // -fno-inline-functions overrides OptimizationLevel > 1. 1085 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1086 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1087 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1088 1089 Opts.DebugInfo = Args.hasArg(OPT_g); 1090 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1091 || Args.hasArg(OPT_flimit_debug_info); 1092 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1093 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1094 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1095 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1096 OPT_fuse_register_sized_bitfield_access); 1097 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1098 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1099 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1100 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1101 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1102 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1103 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1104 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1105 Args.hasArg(OPT_ffreestanding)); 1106 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1107 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1108 1109 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1110 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1111 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1112 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1113 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1114 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1115 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1116 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1117 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1118 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1119 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1120 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1121 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1122 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1123 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1124 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1125 Args.hasArg(OPT_cl_finite_math_only)|| 1126 Args.hasArg(OPT_cl_fast_relaxed_math)); 1127 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1128 Args.hasArg(OPT_cl_finite_math_only)|| 1129 Args.hasArg(OPT_cl_fast_relaxed_math)); 1130 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1131 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1132 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1133 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1134 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1135 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1136 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1137 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1138 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1139 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1140 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1141 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1142 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1143 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1144 Args.hasArg(OPT_cl_fast_relaxed_math); 1145 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1146 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1147 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1148 1149 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1150 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1151 1152 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1153 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1154 1155 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1156 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1157 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1158 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1159 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1160 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1161 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1162 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1163 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1164 StringRef Val = A->getValue(Args); 1165 Val.getAsInteger(10, Opts.StackAlignment); 1166 } 1167 1168 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1169 StringRef Name = A->getValue(Args); 1170 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1171 .Case("legacy", CodeGenOptions::Legacy) 1172 .Case("non-legacy", CodeGenOptions::NonLegacy) 1173 .Case("mixed", CodeGenOptions::Mixed) 1174 .Default(~0U); 1175 if (Method == ~0U) { 1176 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1177 Success = false; 1178 } else { 1179 Opts.ObjCDispatchMethod = Method; 1180 } 1181 } 1182 1183 return Success; 1184 } 1185 1186 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1187 ArgList &Args) { 1188 using namespace cc1options; 1189 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1190 Opts.Targets = Args.getAllArgValues(OPT_MT); 1191 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1192 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1193 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1194 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1195 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1196 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1197 } 1198 1199 bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1200 DiagnosticsEngine *Diags) { 1201 using namespace cc1options; 1202 bool Success = true; 1203 1204 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1205 Opts.DiagnosticSerializationFile = 1206 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1207 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1208 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1209 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1210 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1211 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1212 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1213 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1214 OPT_fno_show_column, 1215 /*Default=*/true); 1216 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1217 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1218 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1219 1220 // Default behavior is to not to show note include stacks. 1221 Opts.ShowNoteIncludeStack = false; 1222 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1223 OPT_fno_diagnostics_show_note_include_stack)) 1224 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1225 Opts.ShowNoteIncludeStack = true; 1226 1227 StringRef ShowOverloads = 1228 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1229 if (ShowOverloads == "best") 1230 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1231 else if (ShowOverloads == "all") 1232 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1233 else { 1234 Success = false; 1235 if (Diags) 1236 Diags->Report(diag::err_drv_invalid_value) 1237 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1238 << ShowOverloads; 1239 } 1240 1241 StringRef ShowCategory = 1242 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1243 if (ShowCategory == "none") 1244 Opts.ShowCategories = 0; 1245 else if (ShowCategory == "id") 1246 Opts.ShowCategories = 1; 1247 else if (ShowCategory == "name") 1248 Opts.ShowCategories = 2; 1249 else { 1250 Success = false; 1251 if (Diags) 1252 Diags->Report(diag::err_drv_invalid_value) 1253 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1254 << ShowCategory; 1255 } 1256 1257 StringRef Format = 1258 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1259 if (Format == "clang") 1260 Opts.Format = DiagnosticOptions::Clang; 1261 else if (Format == "msvc") 1262 Opts.Format = DiagnosticOptions::Msvc; 1263 else if (Format == "vi") 1264 Opts.Format = DiagnosticOptions::Vi; 1265 else { 1266 Success = false; 1267 if (Diags) 1268 Diags->Report(diag::err_drv_invalid_value) 1269 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1270 << Format; 1271 } 1272 1273 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1274 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1275 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1276 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1277 Opts.MacroBacktraceLimit 1278 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1279 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1280 Opts.TemplateBacktraceLimit 1281 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1282 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1283 Diags); 1284 Opts.ConstexprBacktraceLimit 1285 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1286 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1287 Diags); 1288 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1289 DiagnosticOptions::DefaultTabStop, Diags); 1290 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1291 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1292 if (Diags) 1293 Diags->Report(diag::warn_ignoring_ftabstop_value) 1294 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1295 } 1296 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1297 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1298 1299 for (arg_iterator it = Args.filtered_begin(OPT_W), 1300 ie = Args.filtered_end(); it != ie; ++it) { 1301 StringRef V = (*it)->getValue(Args); 1302 // "-Wl," and such are not warnings options. 1303 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1304 continue; 1305 1306 Opts.Warnings.push_back(V); 1307 } 1308 1309 return Success; 1310 } 1311 1312 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1313 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1314 } 1315 1316 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1317 DiagnosticsEngine &Diags) { 1318 using namespace cc1options; 1319 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1320 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1321 switch (A->getOption().getID()) { 1322 default: 1323 llvm_unreachable("Invalid option in group!"); 1324 case OPT_ast_dump: 1325 Opts.ProgramAction = frontend::ASTDump; break; 1326 case OPT_ast_dump_xml: 1327 Opts.ProgramAction = frontend::ASTDumpXML; break; 1328 case OPT_ast_print: 1329 Opts.ProgramAction = frontend::ASTPrint; break; 1330 case OPT_ast_view: 1331 Opts.ProgramAction = frontend::ASTView; break; 1332 case OPT_dump_raw_tokens: 1333 Opts.ProgramAction = frontend::DumpRawTokens; break; 1334 case OPT_dump_tokens: 1335 Opts.ProgramAction = frontend::DumpTokens; break; 1336 case OPT_S: 1337 Opts.ProgramAction = frontend::EmitAssembly; break; 1338 case OPT_emit_llvm_bc: 1339 Opts.ProgramAction = frontend::EmitBC; break; 1340 case OPT_emit_html: 1341 Opts.ProgramAction = frontend::EmitHTML; break; 1342 case OPT_emit_llvm: 1343 Opts.ProgramAction = frontend::EmitLLVM; break; 1344 case OPT_emit_llvm_only: 1345 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1346 case OPT_emit_codegen_only: 1347 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1348 case OPT_emit_obj: 1349 Opts.ProgramAction = frontend::EmitObj; break; 1350 case OPT_fixit_EQ: 1351 Opts.FixItSuffix = A->getValue(Args); 1352 // fall-through! 1353 case OPT_fixit: 1354 Opts.ProgramAction = frontend::FixIt; break; 1355 case OPT_emit_module: 1356 Opts.ProgramAction = frontend::GenerateModule; break; 1357 case OPT_emit_pch: 1358 Opts.ProgramAction = frontend::GeneratePCH; break; 1359 case OPT_emit_pth: 1360 Opts.ProgramAction = frontend::GeneratePTH; break; 1361 case OPT_init_only: 1362 Opts.ProgramAction = frontend::InitOnly; break; 1363 case OPT_fsyntax_only: 1364 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1365 case OPT_print_decl_contexts: 1366 Opts.ProgramAction = frontend::PrintDeclContext; break; 1367 case OPT_print_preamble: 1368 Opts.ProgramAction = frontend::PrintPreamble; break; 1369 case OPT_E: 1370 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1371 case OPT_rewrite_macros: 1372 Opts.ProgramAction = frontend::RewriteMacros; break; 1373 case OPT_rewrite_objc: 1374 Opts.ProgramAction = frontend::RewriteObjC; break; 1375 case OPT_rewrite_test: 1376 Opts.ProgramAction = frontend::RewriteTest; break; 1377 case OPT_analyze: 1378 Opts.ProgramAction = frontend::RunAnalysis; break; 1379 case OPT_migrate: 1380 Opts.ProgramAction = frontend::MigrateSource; break; 1381 case OPT_Eonly: 1382 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1383 } 1384 } 1385 1386 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1387 Opts.Plugins.push_back(A->getValue(Args,0)); 1388 Opts.ProgramAction = frontend::PluginAction; 1389 Opts.ActionName = A->getValue(Args); 1390 1391 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1392 end = Args.filtered_end(); it != end; ++it) { 1393 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1394 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1395 } 1396 } 1397 1398 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1399 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1400 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1401 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1402 end = Args.filtered_end(); it != end; ++it) { 1403 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1404 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1405 } 1406 } 1407 1408 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1409 Opts.CodeCompletionAt = 1410 ParsedSourceLocation::FromString(A->getValue(Args)); 1411 if (Opts.CodeCompletionAt.FileName.empty()) 1412 Diags.Report(diag::err_drv_invalid_value) 1413 << A->getAsString(Args) << A->getValue(Args); 1414 } 1415 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1416 1417 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1418 Opts.Plugins = Args.getAllArgValues(OPT_load); 1419 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1420 Opts.ShowHelp = Args.hasArg(OPT_help); 1421 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1422 Opts.ShowCodePatternsInCodeCompletion 1423 = Args.hasArg(OPT_code_completion_patterns); 1424 Opts.ShowGlobalSymbolsInCodeCompletion 1425 = !Args.hasArg(OPT_no_code_completion_globals); 1426 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1427 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1428 Opts.ShowVersion = Args.hasArg(OPT_version); 1429 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1430 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1431 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1432 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1433 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1434 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1435 Opts.OverrideRecordLayoutsFile 1436 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1437 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1438 OPT_arcmt_modify, 1439 OPT_arcmt_migrate)) { 1440 switch (A->getOption().getID()) { 1441 default: 1442 llvm_unreachable("missed a case"); 1443 case OPT_arcmt_check: 1444 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1445 break; 1446 case OPT_arcmt_modify: 1447 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1448 break; 1449 case OPT_arcmt_migrate: 1450 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1451 break; 1452 } 1453 } 1454 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1455 Opts.ARCMTMigrateReportOut 1456 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1457 Opts.ARCMTMigrateEmitARCErrors 1458 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1459 1460 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1461 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1462 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1463 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1464 1465 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1466 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1467 Diags.Report(diag::err_drv_argument_not_allowed_with) 1468 << "ARC migration" << "ObjC migration"; 1469 } 1470 1471 InputKind DashX = IK_None; 1472 if (const Arg *A = Args.getLastArg(OPT_x)) { 1473 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1474 .Case("c", IK_C) 1475 .Case("cl", IK_OpenCL) 1476 .Case("cuda", IK_CUDA) 1477 .Case("c++", IK_CXX) 1478 .Case("objective-c", IK_ObjC) 1479 .Case("objective-c++", IK_ObjCXX) 1480 .Case("cpp-output", IK_PreprocessedC) 1481 .Case("assembler-with-cpp", IK_Asm) 1482 .Case("c++-cpp-output", IK_PreprocessedCXX) 1483 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1484 .Case("objc-cpp-output", IK_PreprocessedObjC) 1485 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1486 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1487 .Case("c-header", IK_C) 1488 .Case("cl-header", IK_OpenCL) 1489 .Case("objective-c-header", IK_ObjC) 1490 .Case("c++-header", IK_CXX) 1491 .Case("objective-c++-header", IK_ObjCXX) 1492 .Case("ast", IK_AST) 1493 .Case("ir", IK_LLVM_IR) 1494 .Default(IK_None); 1495 if (DashX == IK_None) 1496 Diags.Report(diag::err_drv_invalid_value) 1497 << A->getAsString(Args) << A->getValue(Args); 1498 } 1499 1500 // '-' is the default input if none is given. 1501 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1502 Opts.Inputs.clear(); 1503 if (Inputs.empty()) 1504 Inputs.push_back("-"); 1505 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1506 InputKind IK = DashX; 1507 if (IK == IK_None) { 1508 IK = FrontendOptions::getInputKindForExtension( 1509 StringRef(Inputs[i]).rsplit('.').second); 1510 // FIXME: Remove this hack. 1511 if (i == 0) 1512 DashX = IK; 1513 } 1514 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1515 } 1516 1517 return DashX; 1518 } 1519 1520 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1521 void *MainAddr) { 1522 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1523 1524 if (!P.isEmpty()) { 1525 P.eraseComponent(); // Remove /clang from foo/bin/clang 1526 P.eraseComponent(); // Remove /bin from foo/bin 1527 1528 // Get foo/lib/clang/<version>/include 1529 P.appendComponent("lib"); 1530 P.appendComponent("clang"); 1531 P.appendComponent(CLANG_VERSION_STRING); 1532 } 1533 1534 return P.str(); 1535 } 1536 1537 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1538 using namespace cc1options; 1539 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1540 Opts.Verbose = Args.hasArg(OPT_v); 1541 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1542 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1543 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1544 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1545 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1546 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1547 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1548 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1549 1550 // Add -I..., -F..., and -index-header-map options in order. 1551 bool IsIndexHeaderMap = false; 1552 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1553 OPT_index_header_map), 1554 ie = Args.filtered_end(); it != ie; ++it) { 1555 if ((*it)->getOption().matches(OPT_index_header_map)) { 1556 // -index-header-map applies to the next -I or -F. 1557 IsIndexHeaderMap = true; 1558 continue; 1559 } 1560 1561 frontend::IncludeDirGroup Group 1562 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1563 1564 Opts.AddPath((*it)->getValue(Args), Group, true, 1565 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1566 IsIndexHeaderMap = false; 1567 } 1568 1569 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1570 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1571 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1572 OPT_iwithprefixbefore), 1573 ie = Args.filtered_end(); it != ie; ++it) { 1574 const Arg *A = *it; 1575 if (A->getOption().matches(OPT_iprefix)) 1576 Prefix = A->getValue(Args); 1577 else if (A->getOption().matches(OPT_iwithprefix)) 1578 Opts.AddPath(Prefix.str() + A->getValue(Args), 1579 frontend::System, false, false, false); 1580 else 1581 Opts.AddPath(Prefix.str() + A->getValue(Args), 1582 frontend::Angled, false, false, false); 1583 } 1584 1585 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1586 ie = Args.filtered_end(); it != ie; ++it) 1587 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1588 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1589 ie = Args.filtered_end(); it != ie; ++it) 1590 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1591 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1592 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1593 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1594 !(*it)->getOption().matches(OPT_iwithsysroot)); 1595 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1596 ie = Args.filtered_end(); it != ie; ++it) 1597 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1598 true); 1599 1600 // Add the paths for the various language specific isystem flags. 1601 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1602 ie = Args.filtered_end(); it != ie; ++it) 1603 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1604 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1605 ie = Args.filtered_end(); it != ie; ++it) 1606 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1607 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1608 ie = Args.filtered_end(); it != ie; ++it) 1609 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1610 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1611 ie = Args.filtered_end(); it != ie; ++it) 1612 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1613 true); 1614 1615 // Add the internal paths from a driver that detects standard include paths. 1616 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1617 OPT_internal_externc_isystem), 1618 E = Args.filtered_end(); 1619 I != E; ++I) 1620 Opts.AddPath((*I)->getValue(Args), frontend::System, 1621 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1622 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1623 } 1624 1625 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1626 LangStandard::Kind LangStd) { 1627 // Set some properties which depend solely on the input kind; it would be nice 1628 // to move these to the language standard, and have the driver resolve the 1629 // input kind + language standard. 1630 if (IK == IK_Asm) { 1631 Opts.AsmPreprocessor = 1; 1632 } else if (IK == IK_ObjC || 1633 IK == IK_ObjCXX || 1634 IK == IK_PreprocessedObjC || 1635 IK == IK_PreprocessedObjCXX) { 1636 Opts.ObjC1 = Opts.ObjC2 = 1; 1637 } 1638 1639 if (LangStd == LangStandard::lang_unspecified) { 1640 // Based on the base language, pick one. 1641 switch (IK) { 1642 case IK_None: 1643 case IK_AST: 1644 case IK_LLVM_IR: 1645 llvm_unreachable("Invalid input kind!"); 1646 case IK_OpenCL: 1647 LangStd = LangStandard::lang_opencl; 1648 break; 1649 case IK_CUDA: 1650 LangStd = LangStandard::lang_cuda; 1651 break; 1652 case IK_Asm: 1653 case IK_C: 1654 case IK_PreprocessedC: 1655 case IK_ObjC: 1656 case IK_PreprocessedObjC: 1657 LangStd = LangStandard::lang_gnu99; 1658 break; 1659 case IK_CXX: 1660 case IK_PreprocessedCXX: 1661 case IK_ObjCXX: 1662 case IK_PreprocessedObjCXX: 1663 LangStd = LangStandard::lang_gnucxx98; 1664 break; 1665 } 1666 } 1667 1668 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1669 Opts.BCPLComment = Std.hasBCPLComments(); 1670 Opts.C99 = Std.isC99(); 1671 Opts.C11 = Std.isC11(); 1672 Opts.CPlusPlus = Std.isCPlusPlus(); 1673 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1674 Opts.Digraphs = Std.hasDigraphs(); 1675 Opts.GNUMode = Std.isGNUMode(); 1676 Opts.GNUInline = !Std.isC99(); 1677 Opts.HexFloats = Std.hasHexFloats(); 1678 Opts.ImplicitInt = Std.hasImplicitInt(); 1679 1680 // OpenCL has some additional defaults. 1681 if (LangStd == LangStandard::lang_opencl) { 1682 Opts.OpenCL = 1; 1683 Opts.AltiVec = 0; 1684 Opts.CXXOperatorNames = 1; 1685 Opts.LaxVectorConversions = 0; 1686 Opts.DefaultFPContract = 1; 1687 } 1688 1689 if (LangStd == LangStandard::lang_cuda) 1690 Opts.CUDA = 1; 1691 1692 // OpenCL and C++ both have bool, true, false keywords. 1693 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1694 1695 Opts.GNUKeywords = Opts.GNUMode; 1696 Opts.CXXOperatorNames = Opts.CPlusPlus; 1697 1698 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1699 // is specified, or -std is set to a conforming mode. 1700 Opts.Trigraphs = !Opts.GNUMode; 1701 1702 Opts.DollarIdents = !Opts.AsmPreprocessor; 1703 } 1704 1705 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1706 DiagnosticsEngine &Diags) { 1707 // FIXME: Cleanup per-file based stuff. 1708 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1709 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1710 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1711 #define LANGSTANDARD(id, name, desc, features) \ 1712 .Case(name, LangStandard::lang_##id) 1713 #include "clang/Frontend/LangStandards.def" 1714 .Default(LangStandard::lang_unspecified); 1715 if (LangStd == LangStandard::lang_unspecified) 1716 Diags.Report(diag::err_drv_invalid_value) 1717 << A->getAsString(Args) << A->getValue(Args); 1718 else { 1719 // Valid standard, check to make sure language and standard are compatable. 1720 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1721 switch (IK) { 1722 case IK_C: 1723 case IK_ObjC: 1724 case IK_PreprocessedC: 1725 case IK_PreprocessedObjC: 1726 if (!(Std.isC89() || Std.isC99())) 1727 Diags.Report(diag::err_drv_argument_not_allowed_with) 1728 << A->getAsString(Args) << "C/ObjC"; 1729 break; 1730 case IK_CXX: 1731 case IK_ObjCXX: 1732 case IK_PreprocessedCXX: 1733 case IK_PreprocessedObjCXX: 1734 if (!Std.isCPlusPlus()) 1735 Diags.Report(diag::err_drv_argument_not_allowed_with) 1736 << A->getAsString(Args) << "C++/ObjC++"; 1737 break; 1738 case IK_OpenCL: 1739 if (!Std.isC99()) 1740 Diags.Report(diag::err_drv_argument_not_allowed_with) 1741 << A->getAsString(Args) << "OpenCL"; 1742 break; 1743 case IK_CUDA: 1744 if (!Std.isCPlusPlus()) 1745 Diags.Report(diag::err_drv_argument_not_allowed_with) 1746 << A->getAsString(Args) << "CUDA"; 1747 break; 1748 default: 1749 break; 1750 } 1751 } 1752 } 1753 1754 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1755 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1756 Diags.Report(diag::err_drv_invalid_value) 1757 << A->getAsString(Args) << A->getValue(Args); 1758 } 1759 } 1760 1761 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1762 1763 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1764 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1765 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1766 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1767 // name, as it doesn't seem a useful distinction. 1768 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1769 Opts.GNUKeywords); 1770 1771 if (Args.hasArg(OPT_fno_operator_names)) 1772 Opts.CXXOperatorNames = 0; 1773 1774 if (Opts.ObjC1) { 1775 if (Args.hasArg(OPT_fobjc_gc_only)) 1776 Opts.setGC(LangOptions::GCOnly); 1777 else if (Args.hasArg(OPT_fobjc_gc)) 1778 Opts.setGC(LangOptions::HybridGC); 1779 else if (Args.hasArg(OPT_fobjc_arc)) { 1780 Opts.ObjCAutoRefCount = 1; 1781 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1782 Diags.Report(diag::err_arc_nonfragile_abi); 1783 } 1784 1785 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1786 Opts.ObjCRuntimeHasWeak = 1; 1787 1788 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1789 Opts.ObjCInferRelatedResultType = 0; 1790 } 1791 1792 if (Args.hasArg(OPT_fgnu89_inline)) 1793 Opts.GNUInline = 1; 1794 1795 if (Args.hasArg(OPT_fapple_kext)) { 1796 if (!Opts.CPlusPlus) 1797 Diags.Report(diag::warn_c_kext); 1798 else 1799 Opts.AppleKext = 1; 1800 } 1801 1802 if (Args.hasArg(OPT_print_ivar_layout)) 1803 Opts.ObjCGCBitmapPrint = 1; 1804 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1805 Opts.NoConstantCFStrings = 1; 1806 1807 if (Args.hasArg(OPT_faltivec)) 1808 Opts.AltiVec = 1; 1809 1810 if (Args.hasArg(OPT_pthread)) 1811 Opts.POSIXThreads = 1; 1812 1813 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1814 Opts.DelayedTemplateParsing = 1; 1815 1816 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1817 if (Vis == "default") 1818 Opts.setVisibilityMode(DefaultVisibility); 1819 else if (Vis == "hidden") 1820 Opts.setVisibilityMode(HiddenVisibility); 1821 else if (Vis == "protected") 1822 // FIXME: diagnose if target does not support protected visibility 1823 Opts.setVisibilityMode(ProtectedVisibility); 1824 else 1825 Diags.Report(diag::err_drv_invalid_value) 1826 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1827 1828 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1829 Opts.InlineVisibilityHidden = 1; 1830 1831 if (Args.hasArg(OPT_ftrapv)) { 1832 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1833 // Set the handler, if one is specified. 1834 Opts.OverflowHandler = 1835 Args.getLastArgValue(OPT_ftrapv_handler); 1836 } 1837 else if (Args.hasArg(OPT_fwrapv)) 1838 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1839 1840 if (Args.hasArg(OPT_trigraphs)) 1841 Opts.Trigraphs = 1; 1842 1843 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1844 OPT_fno_dollars_in_identifiers, 1845 Opts.DollarIdents); 1846 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1847 Opts.MicrosoftExt 1848 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1849 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1850 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1851 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1852 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1853 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1854 Opts.ConstStrings); 1855 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1856 Opts.LaxVectorConversions = 0; 1857 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1858 Opts.ThreadsafeStatics = 0; 1859 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1860 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1861 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1862 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1863 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1864 1865 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1866 Opts.Blocks = Args.hasArg(OPT_fblocks); 1867 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1868 Opts.Modules = Args.hasArg(OPT_fmodules); 1869 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1870 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1871 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1872 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1873 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1874 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1875 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1876 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1877 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1878 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1879 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1880 Diags); 1881 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1882 Diags); 1883 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1884 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1885 0, Diags); 1886 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1887 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1888 Opts.ObjCConstantStringClass = 1889 Args.getLastArgValue(OPT_fconstant_string_class); 1890 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1891 if (Opts.ObjCNonFragileABI) 1892 Opts.ObjCNonFragileABI2 = true; 1893 Opts.ObjCDefaultSynthProperties = 1894 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1895 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1896 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1897 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1898 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1899 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1900 Opts.Static = Args.hasArg(OPT_static_define); 1901 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1902 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1903 || Args.hasArg(OPT_fdump_record_layouts); 1904 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1905 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1906 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1907 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1908 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1909 Opts.MRTD = Args.hasArg(OPT_mrtd); 1910 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1911 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1912 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1913 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1914 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1915 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1916 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1917 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1918 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1919 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1920 1921 // Record whether the __DEPRECATED define was requested. 1922 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1923 OPT_fno_deprecated_macro, 1924 Opts.Deprecated); 1925 1926 // FIXME: Eliminate this dependency. 1927 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1928 Opts.Optimize = Opt != 0; 1929 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1930 1931 // This is the __NO_INLINE__ define, which just depends on things like the 1932 // optimization level and -fno-inline, not actually whether the backend has 1933 // inlining enabled. 1934 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1935 1936 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1937 1938 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1939 switch (SSP) { 1940 default: 1941 Diags.Report(diag::err_drv_invalid_value) 1942 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1943 break; 1944 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1945 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1946 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1947 } 1948 } 1949 1950 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1951 FileManager &FileMgr, 1952 DiagnosticsEngine &Diags) { 1953 using namespace cc1options; 1954 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1955 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1956 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1957 Opts.TokenCache = A->getValue(Args); 1958 else 1959 Opts.TokenCache = Opts.ImplicitPTHInclude; 1960 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1961 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1962 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1963 1964 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1965 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1966 ie = Args.filtered_end(); it != ie; ++it) { 1967 const Arg *A = *it; 1968 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1969 } 1970 1971 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1972 StringRef Value(A->getValue(Args)); 1973 size_t Comma = Value.find(','); 1974 unsigned Bytes = 0; 1975 unsigned EndOfLine = 0; 1976 1977 if (Comma == StringRef::npos || 1978 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1979 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1980 Diags.Report(diag::err_drv_preamble_format); 1981 else { 1982 Opts.PrecompiledPreambleBytes.first = Bytes; 1983 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1984 } 1985 } 1986 1987 // Add macros from the command line. 1988 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1989 ie = Args.filtered_end(); it != ie; ++it) { 1990 if ((*it)->getOption().matches(OPT_D)) 1991 Opts.addMacroDef((*it)->getValue(Args)); 1992 else 1993 Opts.addMacroUndef((*it)->getValue(Args)); 1994 } 1995 1996 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1997 1998 // Add the ordered list of -includes. 1999 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2000 OPT_include_pth), 2001 ie = Args.filtered_end(); it != ie; ++it) { 2002 const Arg *A = *it; 2003 // PCH is handled specially, we need to extra the original include path. 2004 if (A->getOption().matches(OPT_include_pch)) { 2005 std::string OriginalFile = 2006 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2007 if (OriginalFile.empty()) 2008 continue; 2009 2010 Opts.Includes.push_back(OriginalFile); 2011 } else 2012 Opts.Includes.push_back(A->getValue(Args)); 2013 } 2014 2015 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2016 ie = Args.filtered_end(); it != ie; ++it) { 2017 const Arg *A = *it; 2018 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2019 } 2020 2021 // Include 'altivec.h' if -faltivec option present 2022 if (Args.hasArg(OPT_faltivec)) 2023 Opts.Includes.push_back("altivec.h"); 2024 2025 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2026 ie = Args.filtered_end(); it != ie; ++it) { 2027 const Arg *A = *it; 2028 std::pair<StringRef,StringRef> Split = 2029 StringRef(A->getValue(Args)).split(';'); 2030 2031 if (Split.second.empty()) { 2032 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2033 continue; 2034 } 2035 2036 Opts.addRemappedFile(Split.first, Split.second); 2037 } 2038 2039 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2040 StringRef Name = A->getValue(Args); 2041 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2042 .Case("libc++", ARCXX_libcxx) 2043 .Case("libstdc++", ARCXX_libstdcxx) 2044 .Case("none", ARCXX_nolib) 2045 .Default(~0U); 2046 if (Library == ~0U) 2047 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2048 else 2049 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2050 } 2051 } 2052 2053 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2054 ArgList &Args) { 2055 using namespace cc1options; 2056 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2057 Opts.ShowComments = Args.hasArg(OPT_C); 2058 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2059 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2060 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2061 } 2062 2063 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2064 using namespace cc1options; 2065 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2066 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2067 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2068 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2069 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2070 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2071 2072 // Use the default target triple if unspecified. 2073 if (Opts.Triple.empty()) 2074 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2075 } 2076 2077 // 2078 2079 bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2080 const char *const *ArgBegin, 2081 const char *const *ArgEnd, 2082 DiagnosticsEngine &Diags) { 2083 bool Success = true; 2084 2085 // Parse the arguments. 2086 OwningPtr<OptTable> Opts(createCC1OptTable()); 2087 unsigned MissingArgIndex, MissingArgCount; 2088 OwningPtr<InputArgList> Args( 2089 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2090 2091 // Check for missing argument error. 2092 if (MissingArgCount) { 2093 Diags.Report(diag::err_drv_missing_argument) 2094 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2095 Success = false; 2096 } 2097 2098 // Issue errors on unknown arguments. 2099 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2100 ie = Args->filtered_end(); it != ie; ++it) { 2101 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2102 Success = false; 2103 } 2104 2105 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2106 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2107 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2108 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2109 && Success; 2110 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2111 // FIXME: We shouldn't have to pass the DashX option around here 2112 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2113 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2114 && Success; 2115 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2116 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2117 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2118 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2119 Res.getLangOpts()->ObjCExceptions = 1; 2120 } 2121 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2122 // PCH file and find the original header name. Remove the need to do that in 2123 // ParsePreprocessorArgs and remove the FileManager 2124 // parameters from the function and the "FileManager.h" #include. 2125 FileManager FileMgr(Res.getFileSystemOpts()); 2126 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2127 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2128 ParseTargetArgs(Res.getTargetOpts(), *Args); 2129 2130 return Success; 2131 } 2132 2133 namespace { 2134 2135 class ModuleSignature { 2136 llvm::SmallVector<uint64_t, 16> Data; 2137 unsigned CurBit; 2138 uint64_t CurValue; 2139 2140 public: 2141 ModuleSignature() : CurBit(0), CurValue(0) { } 2142 2143 void add(uint64_t Value, unsigned Bits); 2144 void add(StringRef Value); 2145 void flush(); 2146 2147 llvm::APInt getAsInteger() const; 2148 }; 2149 } 2150 2151 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2152 CurValue |= Value << CurBit; 2153 if (CurBit + NumBits < 64) { 2154 CurBit += NumBits; 2155 return; 2156 } 2157 2158 // Add the current word. 2159 Data.push_back(CurValue); 2160 2161 if (CurBit) 2162 CurValue = Value >> (64-CurBit); 2163 else 2164 CurValue = 0; 2165 CurBit = (CurBit+NumBits) & 63; 2166 } 2167 2168 void ModuleSignature::flush() { 2169 if (CurBit == 0) 2170 return; 2171 2172 Data.push_back(CurValue); 2173 CurBit = 0; 2174 CurValue = 0; 2175 } 2176 2177 void ModuleSignature::add(StringRef Value) { 2178 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2179 add(*I, 8); 2180 } 2181 2182 llvm::APInt ModuleSignature::getAsInteger() const { 2183 return llvm::APInt(Data.size() * 64, Data); 2184 } 2185 2186 std::string CompilerInvocation::getModuleHash() const { 2187 ModuleSignature Signature; 2188 2189 // Start the signature with the compiler version. 2190 // FIXME: The full version string can be quite long. Omit it from the 2191 // module hash for now to avoid failures where the path name becomes too 2192 // long. An MD5 or similar checksum would work well here. 2193 // Signature.add(getClangFullRepositoryVersion()); 2194 2195 // Extend the signature with the language options 2196 #define LANGOPT(Name, Bits, Default, Description) \ 2197 Signature.add(LangOpts->Name, Bits); 2198 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2199 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2200 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2201 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2202 #include "clang/Basic/LangOptions.def" 2203 2204 // Extend the signature with the target triple 2205 llvm::Triple T(TargetOpts.Triple); 2206 Signature.add((unsigned)T.getArch(), 5); 2207 Signature.add((unsigned)T.getVendor(), 4); 2208 Signature.add((unsigned)T.getOS(), 5); 2209 Signature.add((unsigned)T.getEnvironment(), 4); 2210 2211 // Extend the signature with preprocessor options. 2212 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2213 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2214 2215 // Hash the preprocessor defines. 2216 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2217 std::vector<StringRef> MacroDefs; 2218 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2219 I = getPreprocessorOpts().Macros.begin(), 2220 IEnd = getPreprocessorOpts().Macros.end(); 2221 I != IEnd; ++I) { 2222 if (!I->second) 2223 MacroDefs.push_back(I->first); 2224 } 2225 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2226 2227 unsigned PPHashResult = 0; 2228 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2229 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2230 Signature.add(PPHashResult, 32); 2231 2232 // We've generated the signature. Treat it as one large APInt that we'll 2233 // encode in base-36 and return. 2234 Signature.flush(); 2235 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2236 } 2237
