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 : llvm::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 client!"); 82 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84 #include "clang/Frontend/Analyses.def" 85 } 86 } 87 88 //===----------------------------------------------------------------------===// 89 // Serialization (to args) 90 //===----------------------------------------------------------------------===// 91 92 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 93 std::vector<std::string> &Res) { 94 if (Opts.ShowCheckerHelp) 95 Res.push_back("-analyzer-checker-help"); 96 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 97 Res.push_back("-analyzer-store"); 98 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 99 } 100 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 101 Res.push_back("-analyzer-constraints"); 102 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 103 } 104 if (Opts.AnalysisDiagOpt != PD_HTML) { 105 Res.push_back("-analyzer-output"); 106 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 107 } 108 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 109 Res.push_back("-analyzer-purge"); 110 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 111 } 112 if (!Opts.AnalyzeSpecificFunction.empty()) { 113 Res.push_back("-analyze-function"); 114 Res.push_back(Opts.AnalyzeSpecificFunction); 115 } 116 if (Opts.AnalyzeAll) 117 Res.push_back("-analyzer-opt-analyze-headers"); 118 if (Opts.AnalyzerDisplayProgress) 119 Res.push_back("-analyzer-display-progress"); 120 if (Opts.AnalyzeNestedBlocks) 121 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 122 if (Opts.EagerlyAssume) 123 Res.push_back("-analyzer-eagerly-assume"); 124 if (Opts.TrimGraph) 125 Res.push_back("-trim-egraph"); 126 if (Opts.VisualizeEGDot) 127 Res.push_back("-analyzer-viz-egraph-graphviz"); 128 if (Opts.VisualizeEGUbi) 129 Res.push_back("-analyzer-viz-egraph-ubigraph"); 130 131 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 132 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 133 if (opt.second) 134 Res.push_back("-analyzer-disable-checker"); 135 else 136 Res.push_back("-analyzer-checker"); 137 Res.push_back(opt.first); 138 } 139 } 140 141 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 142 std::vector<std::string> &Res) { 143 if (Opts.DebugInfo) 144 Res.push_back("-g"); 145 if (Opts.DisableLLVMOpts) 146 Res.push_back("-disable-llvm-optzns"); 147 if (Opts.DisableRedZone) 148 Res.push_back("-disable-red-zone"); 149 if (!Opts.DebugCompilationDir.empty()) { 150 Res.push_back("-fdebug-compilation-dir"); 151 Res.push_back(Opts.DebugCompilationDir); 152 } 153 if (!Opts.DwarfDebugFlags.empty()) { 154 Res.push_back("-dwarf-debug-flags"); 155 Res.push_back(Opts.DwarfDebugFlags); 156 } 157 if (Opts.ObjCRuntimeHasARC) 158 Res.push_back("-fobjc-runtime-has-arc"); 159 if (Opts.ObjCRuntimeHasTerminate) 160 Res.push_back("-fobjc-runtime-has-terminate"); 161 if (Opts.EmitGcovArcs) 162 Res.push_back("-femit-coverage-data"); 163 if (Opts.EmitGcovNotes) 164 Res.push_back("-femit-coverage-notes"); 165 if (!Opts.MergeAllConstants) 166 Res.push_back("-fno-merge-all-constants"); 167 if (Opts.NoCommon) 168 Res.push_back("-fno-common"); 169 if (Opts.ForbidGuardVariables) 170 Res.push_back("-fforbid-guard-variables"); 171 if (Opts.UseRegisterSizedBitfieldAccess) 172 Res.push_back("-fuse-register-sized-bitfield-access"); 173 if (Opts.NoImplicitFloat) 174 Res.push_back("-no-implicit-float"); 175 if (Opts.OmitLeafFramePointer) 176 Res.push_back("-momit-leaf-frame-pointer"); 177 if (Opts.OptimizeSize) { 178 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 179 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 180 } else if (Opts.OptimizationLevel != 0) 181 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 182 if (!Opts.MainFileName.empty()) { 183 Res.push_back("-main-file-name"); 184 Res.push_back(Opts.MainFileName); 185 } 186 // SimplifyLibCalls is only derived. 187 // TimePasses is only derived. 188 // UnitAtATime is unused. 189 // Inlining is only derived. 190 191 // UnrollLoops is derived, but also accepts an option, no 192 // harm in pushing it back here. 193 if (Opts.UnrollLoops) 194 Res.push_back("-funroll-loops"); 195 if (Opts.DataSections) 196 Res.push_back("-fdata-sections"); 197 if (Opts.FunctionSections) 198 Res.push_back("-ffunction-sections"); 199 if (Opts.AsmVerbose) 200 Res.push_back("-masm-verbose"); 201 if (!Opts.CodeModel.empty()) { 202 Res.push_back("-mcode-model"); 203 Res.push_back(Opts.CodeModel); 204 } 205 if (Opts.CUDAIsDevice) 206 Res.push_back("-fcuda-is-device"); 207 if (!Opts.CXAAtExit) 208 Res.push_back("-fno-use-cxa-atexit"); 209 if (Opts.CXXCtorDtorAliases) 210 Res.push_back("-mconstructor-aliases"); 211 if (Opts.ObjCAutoRefCountExceptions) 212 Res.push_back("-fobjc-arc-eh"); 213 if (!Opts.DebugPass.empty()) { 214 Res.push_back("-mdebug-pass"); 215 Res.push_back(Opts.DebugPass); 216 } 217 if (Opts.DisableFPElim) 218 Res.push_back("-mdisable-fp-elim"); 219 if (!Opts.FloatABI.empty()) { 220 Res.push_back("-mfloat-abi"); 221 Res.push_back(Opts.FloatABI); 222 } 223 if (!Opts.LimitFloatPrecision.empty()) { 224 Res.push_back("-mlimit-float-precision"); 225 Res.push_back(Opts.LimitFloatPrecision); 226 } 227 if (Opts.NoZeroInitializedInBSS) 228 Res.push_back("-mno-zero-initialized-bss"); 229 switch (Opts.getObjCDispatchMethod()) { 230 case CodeGenOptions::Legacy: 231 break; 232 case CodeGenOptions::Mixed: 233 Res.push_back("-fobjc-dispatch-method=mixed"); 234 break; 235 case CodeGenOptions::NonLegacy: 236 Res.push_back("-fobjc-dispatch-method=non-legacy"); 237 break; 238 } 239 if (Opts.NumRegisterParameters) { 240 Res.push_back("-mregparm"); 241 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 242 } 243 if (Opts.NoGlobalMerge) 244 Res.push_back("-mno-global-merge"); 245 if (Opts.NoExecStack) 246 Res.push_back("-mnoexecstack"); 247 if (Opts.RelaxAll) 248 Res.push_back("-mrelax-all"); 249 if (Opts.SaveTempLabels) 250 Res.push_back("-msave-temp-labels"); 251 if (Opts.NoDwarf2CFIAsm) 252 Res.push_back("-fno-dwarf2-cfi-asm"); 253 if (Opts.NoDwarfDirectoryAsm) 254 Res.push_back("-fno-dwarf-directory-asm"); 255 if (Opts.SoftFloat) 256 Res.push_back("-msoft-float"); 257 if (Opts.UnwindTables) 258 Res.push_back("-munwind-tables"); 259 if (Opts.RelocationModel != "pic") { 260 Res.push_back("-mrelocation-model"); 261 Res.push_back(Opts.RelocationModel); 262 } 263 if (!Opts.VerifyModule) 264 Res.push_back("-disable-llvm-verifier"); 265 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 266 Res.push_back("-backend-option"); 267 Res.push_back(Opts.BackendOptions[i]); 268 } 269 } 270 271 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 272 std::vector<std::string> &Res) { 273 if (Opts.IncludeSystemHeaders) 274 Res.push_back("-sys-header-deps"); 275 if (Opts.ShowHeaderIncludes) 276 Res.push_back("-H"); 277 if (!Opts.HeaderIncludeOutputFile.empty()) { 278 Res.push_back("-header-include-file"); 279 Res.push_back(Opts.HeaderIncludeOutputFile); 280 } 281 if (Opts.UsePhonyTargets) 282 Res.push_back("-MP"); 283 if (!Opts.OutputFile.empty()) { 284 Res.push_back("-dependency-file"); 285 Res.push_back(Opts.OutputFile); 286 } 287 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 288 Res.push_back("-MT"); 289 Res.push_back(Opts.Targets[i]); 290 } 291 } 292 293 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 294 std::vector<std::string> &Res) { 295 if (Opts.IgnoreWarnings) 296 Res.push_back("-w"); 297 if (Opts.NoRewriteMacros) 298 Res.push_back("-Wno-rewrite-macros"); 299 if (Opts.Pedantic) 300 Res.push_back("-pedantic"); 301 if (Opts.PedanticErrors) 302 Res.push_back("-pedantic-errors"); 303 if (!Opts.ShowColumn) 304 Res.push_back("-fno-show-column"); 305 if (!Opts.ShowLocation) 306 Res.push_back("-fno-show-source-location"); 307 if (!Opts.ShowCarets) 308 Res.push_back("-fno-caret-diagnostics"); 309 if (!Opts.ShowFixits) 310 Res.push_back("-fno-diagnostics-fixit-info"); 311 if (Opts.ShowSourceRanges) 312 Res.push_back("-fdiagnostics-print-source-range-info"); 313 if (Opts.ShowParseableFixits) 314 Res.push_back("-fdiagnostics-parseable-fixits"); 315 if (Opts.ShowColors) 316 Res.push_back("-fcolor-diagnostics"); 317 if (Opts.VerifyDiagnostics) 318 Res.push_back("-verify"); 319 if (Opts.ShowNames) 320 Res.push_back("-fdiagnostics-show-name"); 321 if (Opts.ShowOptionNames) 322 Res.push_back("-fdiagnostics-show-option"); 323 if (Opts.ShowCategories == 1) 324 Res.push_back("-fdiagnostics-show-category=id"); 325 else if (Opts.ShowCategories == 2) 326 Res.push_back("-fdiagnostics-show-category=name"); 327 switch (Opts.Format) { 328 case DiagnosticOptions::Clang: 329 Res.push_back("-fdiagnostics-format=clang"); break; 330 case DiagnosticOptions::Msvc: 331 Res.push_back("-fdiagnostics-format=msvc"); break; 332 case DiagnosticOptions::Vi: 333 Res.push_back("-fdiagnostics-format=vi"); break; 334 } 335 if (Opts.ErrorLimit) { 336 Res.push_back("-ferror-limit"); 337 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 338 } 339 if (!Opts.DiagnosticLogFile.empty()) { 340 Res.push_back("-diagnostic-log-file"); 341 Res.push_back(Opts.DiagnosticLogFile); 342 } 343 if (Opts.MacroBacktraceLimit 344 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 345 Res.push_back("-fmacro-backtrace-limit"); 346 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 347 } 348 if (Opts.TemplateBacktraceLimit 349 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 350 Res.push_back("-ftemplate-backtrace-limit"); 351 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 352 } 353 354 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 355 Res.push_back("-ftabstop"); 356 Res.push_back(llvm::utostr(Opts.TabStop)); 357 } 358 if (Opts.MessageLength) { 359 Res.push_back("-fmessage-length"); 360 Res.push_back(llvm::utostr(Opts.MessageLength)); 361 } 362 if (!Opts.DumpBuildInformation.empty()) { 363 Res.push_back("-dump-build-information"); 364 Res.push_back(Opts.DumpBuildInformation); 365 } 366 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 367 Res.push_back("-W" + Opts.Warnings[i]); 368 } 369 370 static const char *getInputKindName(InputKind Kind) { 371 switch (Kind) { 372 case IK_None: break; 373 case IK_AST: return "ast"; 374 case IK_Asm: return "assembler-with-cpp"; 375 case IK_C: return "c"; 376 case IK_CXX: return "c++"; 377 case IK_LLVM_IR: return "ir"; 378 case IK_ObjC: return "objective-c"; 379 case IK_ObjCXX: return "objective-c++"; 380 case IK_OpenCL: return "cl"; 381 case IK_CUDA: return "cuda"; 382 case IK_PreprocessedC: return "cpp-output"; 383 case IK_PreprocessedCXX: return "c++-cpp-output"; 384 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 385 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 386 } 387 388 llvm_unreachable("Unexpected language kind!"); 389 return 0; 390 } 391 392 static const char *getActionName(frontend::ActionKind Kind) { 393 switch (Kind) { 394 case frontend::PluginAction: 395 llvm_unreachable("Invalid kind!"); 396 397 case frontend::ASTDump: return "-ast-dump"; 398 case frontend::ASTDumpXML: return "-ast-dump-xml"; 399 case frontend::ASTPrint: return "-ast-print"; 400 case frontend::ASTView: return "-ast-view"; 401 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 402 case frontend::DumpTokens: return "-dump-tokens"; 403 case frontend::EmitAssembly: return "-S"; 404 case frontend::EmitBC: return "-emit-llvm-bc"; 405 case frontend::EmitHTML: return "-emit-html"; 406 case frontend::EmitLLVM: return "-emit-llvm"; 407 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 408 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 409 case frontend::EmitObj: return "-emit-obj"; 410 case frontend::FixIt: return "-fixit"; 411 case frontend::GenerateModule: return "-emit-module"; 412 case frontend::GeneratePCH: return "-emit-pch"; 413 case frontend::GeneratePTH: return "-emit-pth"; 414 case frontend::InitOnly: return "-init-only"; 415 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 416 case frontend::PrintDeclContext: return "-print-decl-contexts"; 417 case frontend::PrintPreamble: return "-print-preamble"; 418 case frontend::PrintPreprocessedInput: return "-E"; 419 case frontend::RewriteMacros: return "-rewrite-macros"; 420 case frontend::RewriteObjC: return "-rewrite-objc"; 421 case frontend::RewriteTest: return "-rewrite-test"; 422 case frontend::RunAnalysis: return "-analyze"; 423 case frontend::RunPreprocessorOnly: return "-Eonly"; 424 } 425 426 llvm_unreachable("Unexpected language kind!"); 427 return 0; 428 } 429 430 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 431 std::vector<std::string> &Res) { 432 if (!Opts.WorkingDir.empty()) { 433 Res.push_back("-working-directory"); 434 Res.push_back(Opts.WorkingDir); 435 } 436 } 437 438 static void FrontendOptsToArgs(const FrontendOptions &Opts, 439 std::vector<std::string> &Res) { 440 if (Opts.DisableFree) 441 Res.push_back("-disable-free"); 442 if (Opts.RelocatablePCH) 443 Res.push_back("-relocatable-pch"); 444 if (Opts.ShowHelp) 445 Res.push_back("-help"); 446 if (Opts.ShowMacrosInCodeCompletion) 447 Res.push_back("-code-completion-macros"); 448 if (Opts.ShowCodePatternsInCodeCompletion) 449 Res.push_back("-code-completion-patterns"); 450 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 451 Res.push_back("-no-code-completion-globals"); 452 if (Opts.ShowStats) 453 Res.push_back("-print-stats"); 454 if (Opts.ShowTimers) 455 Res.push_back("-ftime-report"); 456 if (Opts.ShowVersion) 457 Res.push_back("-version"); 458 if (Opts.FixWhatYouCan) 459 Res.push_back("-fix-what-you-can"); 460 switch (Opts.ARCMTAction) { 461 case FrontendOptions::ARCMT_None: 462 break; 463 case FrontendOptions::ARCMT_Check: 464 Res.push_back("-arcmt-check"); 465 break; 466 case FrontendOptions::ARCMT_Modify: 467 Res.push_back("-arcmt-modify"); 468 break; 469 case FrontendOptions::ARCMT_Migrate: 470 Res.push_back("-arcmt-migrate"); 471 break; 472 } 473 if (!Opts.ARCMTMigrateDir.empty()) { 474 Res.push_back("-arcmt-migrate-directory"); 475 Res.push_back(Opts.ARCMTMigrateDir); 476 } 477 if (!Opts.ARCMTMigrateReportOut.empty()) { 478 Res.push_back("-arcmt-migrate-report-output"); 479 Res.push_back(Opts.ARCMTMigrateReportOut); 480 } 481 if (Opts.ARCMTMigrateEmitARCErrors) 482 Res.push_back("-arcmt-migrate-emit-errors"); 483 484 bool NeedLang = false; 485 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 486 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 487 Opts.Inputs[i].first) 488 NeedLang = true; 489 if (NeedLang) { 490 Res.push_back("-x"); 491 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 492 } 493 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 494 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 495 "Unable to represent this input vector!"); 496 Res.push_back(Opts.Inputs[i].second); 497 } 498 499 if (!Opts.OutputFile.empty()) { 500 Res.push_back("-o"); 501 Res.push_back(Opts.OutputFile); 502 } 503 if (!Opts.CodeCompletionAt.FileName.empty()) { 504 Res.push_back("-code-completion-at"); 505 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 506 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 507 llvm::utostr(Opts.CodeCompletionAt.Column)); 508 } 509 if (Opts.ProgramAction != frontend::PluginAction) 510 Res.push_back(getActionName(Opts.ProgramAction)); 511 if (!Opts.ActionName.empty()) { 512 Res.push_back("-plugin"); 513 Res.push_back(Opts.ActionName); 514 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 515 Res.push_back("-plugin-arg-" + Opts.ActionName); 516 Res.push_back(Opts.PluginArgs[i]); 517 } 518 } 519 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 520 Res.push_back("-load"); 521 Res.push_back(Opts.Plugins[i]); 522 } 523 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 524 Res.push_back("-add-plugin"); 525 Res.push_back(Opts.AddPluginActions[i]); 526 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 527 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 528 Res.push_back(Opts.AddPluginArgs[i][ai]); 529 } 530 } 531 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 532 Res.push_back("-ast-merge"); 533 Res.push_back(Opts.ASTMergeFiles[i]); 534 } 535 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 536 Res.push_back("-mllvm"); 537 Res.push_back(Opts.LLVMArgs[i]); 538 } 539 } 540 541 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 542 std::vector<std::string> &Res) { 543 if (Opts.Sysroot != "/") { 544 Res.push_back("-isysroot"); 545 Res.push_back(Opts.Sysroot); 546 } 547 548 /// User specified include entries. 549 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 550 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 551 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 552 llvm::report_fatal_error("Invalid option set!"); 553 if (E.IsUserSupplied) { 554 switch (E.Group) { 555 case frontend::After: 556 Res.push_back("-idirafter"); 557 break; 558 559 case frontend::Quoted: 560 Res.push_back("-iquote"); 561 break; 562 563 case frontend::System: 564 Res.push_back("-isystem"); 565 break; 566 567 case frontend::IndexHeaderMap: 568 Res.push_back("-index-header-map"); 569 Res.push_back(E.IsFramework? "-F" : "-I"); 570 break; 571 572 case frontend::CSystem: 573 Res.push_back("-c-isystem"); 574 break; 575 576 case frontend::CXXSystem: 577 Res.push_back("-cxx-isystem"); 578 break; 579 580 case frontend::ObjCSystem: 581 Res.push_back("-objc-isystem"); 582 break; 583 584 case frontend::ObjCXXSystem: 585 Res.push_back("-objcxx-isystem"); 586 break; 587 588 case frontend::Angled: 589 Res.push_back(E.IsFramework ? "-F" : "-I"); 590 break; 591 } 592 } else { 593 if (E.IsInternal) { 594 assert(E.Group == frontend::System && "Unexpected header search group"); 595 if (E.ImplicitExternC) 596 Res.push_back("-internal-externc-isystem"); 597 else 598 Res.push_back("-internal-isystem"); 599 } else { 600 if (E.Group != frontend::Angled && E.Group != frontend::System) 601 llvm::report_fatal_error("Invalid option set!"); 602 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 603 "-iwithprefix"); 604 } 605 } 606 Res.push_back(E.Path); 607 } 608 609 if (!Opts.ResourceDir.empty()) { 610 Res.push_back("-resource-dir"); 611 Res.push_back(Opts.ResourceDir); 612 } 613 if (!Opts.ModuleCachePath.empty()) { 614 Res.push_back("-fmodule-cache-path"); 615 Res.push_back(Opts.ModuleCachePath); 616 } 617 if (!Opts.UseStandardSystemIncludes) 618 Res.push_back("-nostdsysteminc"); 619 if (!Opts.UseStandardCXXIncludes) 620 Res.push_back("-nostdinc++"); 621 if (Opts.UseLibcxx) 622 Res.push_back("-stdlib=libc++"); 623 if (Opts.Verbose) 624 Res.push_back("-v"); 625 } 626 627 static void LangOptsToArgs(const LangOptions &Opts, 628 std::vector<std::string> &Res) { 629 LangOptions DefaultLangOpts; 630 631 // FIXME: Need to set -std to get all the implicit options. 632 633 // FIXME: We want to only pass options relative to the defaults, which 634 // requires constructing a target. :( 635 // 636 // It would be better to push the all target specific choices into the driver, 637 // so that everything below that was more uniform. 638 639 if (Opts.Trigraphs) 640 Res.push_back("-trigraphs"); 641 // Implicit based on the input kind: 642 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 643 // Implicit based on the input language standard: 644 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 645 if (Opts.DollarIdents) 646 Res.push_back("-fdollars-in-identifiers"); 647 if (Opts.GNUMode && !Opts.GNUKeywords) 648 Res.push_back("-fno-gnu-keywords"); 649 if (!Opts.GNUMode && Opts.GNUKeywords) 650 Res.push_back("-fgnu-keywords"); 651 if (Opts.MicrosoftExt) 652 Res.push_back("-fms-extensions"); 653 if (Opts.MicrosoftMode) 654 Res.push_back("-fms-compatibility"); 655 if (Opts.MSCVersion != 0) 656 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 657 if (Opts.Borland) 658 Res.push_back("-fborland-extensions"); 659 if (!Opts.ObjCNonFragileABI) 660 Res.push_back("-fobjc-fragile-abi"); 661 if (Opts.ObjCDefaultSynthProperties) 662 Res.push_back("-fobjc-default-synthesize-properties"); 663 // NoInline is implicit. 664 if (!Opts.CXXOperatorNames) 665 Res.push_back("-fno-operator-names"); 666 if (Opts.PascalStrings) 667 Res.push_back("-fpascal-strings"); 668 if (Opts.CatchUndefined) 669 Res.push_back("-fcatch-undefined-behavior"); 670 if (Opts.AddressSanitizer) 671 Res.push_back("-faddress-sanitizer"); 672 if (Opts.WritableStrings) 673 Res.push_back("-fwritable-strings"); 674 if (Opts.ConstStrings) 675 Res.push_back("-fconst-strings"); 676 if (!Opts.LaxVectorConversions) 677 Res.push_back("-fno-lax-vector-conversions"); 678 if (Opts.AltiVec) 679 Res.push_back("-faltivec"); 680 if (Opts.Exceptions) 681 Res.push_back("-fexceptions"); 682 if (Opts.ObjCExceptions) 683 Res.push_back("-fobjc-exceptions"); 684 if (Opts.CXXExceptions) 685 Res.push_back("-fcxx-exceptions"); 686 if (Opts.SjLjExceptions) 687 Res.push_back("-fsjlj-exceptions"); 688 if (Opts.TraditionalCPP) 689 Res.push_back("-traditional-cpp"); 690 if (!Opts.RTTI) 691 Res.push_back("-fno-rtti"); 692 if (Opts.MSBitfields) 693 Res.push_back("-mms-bitfields"); 694 if (!Opts.NeXTRuntime) 695 Res.push_back("-fgnu-runtime"); 696 if (Opts.Freestanding) 697 Res.push_back("-ffreestanding"); 698 if (Opts.NoBuiltin) 699 Res.push_back("-fno-builtin"); 700 if (!Opts.AssumeSaneOperatorNew) 701 Res.push_back("-fno-assume-sane-operator-new"); 702 if (!Opts.ThreadsafeStatics) 703 Res.push_back("-fno-threadsafe-statics"); 704 if (Opts.POSIXThreads) 705 Res.push_back("-pthread"); 706 if (Opts.Blocks) 707 Res.push_back("-fblocks"); 708 if (Opts.BlocksRuntimeOptional) 709 Res.push_back("-fblocks-runtime-optional"); 710 if (Opts.EmitAllDecls) 711 Res.push_back("-femit-all-decls"); 712 if (Opts.MathErrno) 713 Res.push_back("-fmath-errno"); 714 switch (Opts.getSignedOverflowBehavior()) { 715 case LangOptions::SOB_Undefined: break; 716 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 717 case LangOptions::SOB_Trapping: 718 Res.push_back("-ftrapv"); 719 if (!Opts.OverflowHandler.empty()) { 720 Res.push_back("-ftrapv-handler"); 721 Res.push_back(Opts.OverflowHandler); 722 } 723 break; 724 } 725 if (Opts.HeinousExtensions) 726 Res.push_back("-fheinous-gnu-extensions"); 727 // Optimize is implicit. 728 // OptimizeSize is implicit. 729 if (Opts.Static) 730 Res.push_back("-static-define"); 731 if (Opts.DumpRecordLayouts) 732 Res.push_back("-fdump-record-layouts"); 733 if (Opts.DumpVTableLayouts) 734 Res.push_back("-fdump-vtable-layouts"); 735 if (Opts.NoBitFieldTypeAlign) 736 Res.push_back("-fno-bitfield-type-alignment"); 737 if (Opts.PICLevel) { 738 Res.push_back("-pic-level"); 739 Res.push_back(llvm::utostr(Opts.PICLevel)); 740 } 741 if (Opts.ObjCGCBitmapPrint) 742 Res.push_back("-print-ivar-layout"); 743 if (Opts.NoConstantCFStrings) 744 Res.push_back("-fno-constant-cfstrings"); 745 if (!Opts.AccessControl) 746 Res.push_back("-fno-access-control"); 747 if (!Opts.CharIsSigned) 748 Res.push_back("-fno-signed-char"); 749 if (Opts.ShortWChar) 750 Res.push_back("-fshort-wchar"); 751 if (!Opts.ElideConstructors) 752 Res.push_back("-fno-elide-constructors"); 753 if (Opts.getGC() != LangOptions::NonGC) { 754 if (Opts.getGC() == LangOptions::HybridGC) { 755 Res.push_back("-fobjc-gc"); 756 } else { 757 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 758 Res.push_back("-fobjc-gc-only"); 759 } 760 } 761 if (Opts.ObjCAutoRefCount) 762 Res.push_back("-fobjc-arc"); 763 if (Opts.ObjCRuntimeHasWeak) 764 Res.push_back("-fobjc-runtime-has-weak"); 765 if (!Opts.ObjCInferRelatedResultType) 766 Res.push_back("-fno-objc-infer-related-result-type"); 767 768 if (Opts.AppleKext) 769 Res.push_back("-fapple-kext"); 770 771 if (Opts.getVisibilityMode() != DefaultVisibility) { 772 Res.push_back("-fvisibility"); 773 if (Opts.getVisibilityMode() == HiddenVisibility) { 774 Res.push_back("hidden"); 775 } else { 776 assert(Opts.getVisibilityMode() == ProtectedVisibility && 777 "Invalid visibility!"); 778 Res.push_back("protected"); 779 } 780 } 781 if (Opts.InlineVisibilityHidden) 782 Res.push_back("-fvisibility-inlines-hidden"); 783 784 if (Opts.getStackProtector() != 0) { 785 Res.push_back("-stack-protector"); 786 Res.push_back(llvm::utostr(Opts.getStackProtector())); 787 } 788 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 789 Res.push_back("-ftemplate-depth"); 790 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 791 } 792 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) { 793 Res.push_back("-fconstexpr-depth"); 794 Res.push_back(llvm::utostr(Opts.ConstexprCallDepth)); 795 } 796 if (!Opts.ObjCConstantStringClass.empty()) { 797 Res.push_back("-fconstant-string-class"); 798 Res.push_back(Opts.ObjCConstantStringClass); 799 } 800 if (Opts.FakeAddressSpaceMap) 801 Res.push_back("-ffake-address-space-map"); 802 if (Opts.ParseUnknownAnytype) 803 Res.push_back("-funknown-anytype"); 804 if (Opts.DebuggerSupport) 805 Res.push_back("-fdebugger-support"); 806 if (Opts.DelayedTemplateParsing) 807 Res.push_back("-fdelayed-template-parsing"); 808 if (Opts.Deprecated) 809 Res.push_back("-fdeprecated-macro"); 810 if (Opts.ApplePragmaPack) 811 Res.push_back("-fapple-pragma-pack"); 812 if (!Opts.CurrentModule.empty()) 813 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 814 } 815 816 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 817 std::vector<std::string> &Res) { 818 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 819 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 820 Opts.Macros[i].first); 821 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 822 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 823 Res.push_back("-include"); 824 Res.push_back(Opts.Includes[i]); 825 } 826 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 827 Res.push_back("-imacros"); 828 Res.push_back(Opts.MacroIncludes[i]); 829 } 830 if (!Opts.UsePredefines) 831 Res.push_back("-undef"); 832 if (Opts.DetailedRecord) 833 Res.push_back("-detailed-preprocessing-record"); 834 if (!Opts.ImplicitPCHInclude.empty()) { 835 Res.push_back("-include-pch"); 836 Res.push_back(Opts.ImplicitPCHInclude); 837 } 838 if (!Opts.ImplicitPTHInclude.empty()) { 839 Res.push_back("-include-pth"); 840 Res.push_back(Opts.ImplicitPTHInclude); 841 } 842 if (!Opts.TokenCache.empty()) { 843 if (Opts.ImplicitPTHInclude.empty()) { 844 Res.push_back("-token-cache"); 845 Res.push_back(Opts.TokenCache); 846 } else 847 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 848 "Unsupported option combination!"); 849 } 850 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 851 Res.push_back("-chain-include"); 852 Res.push_back(Opts.ChainedIncludes[i]); 853 } 854 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 855 Res.push_back("-remap-file"); 856 Res.push_back(Opts.RemappedFiles[i].first + ";" + 857 Opts.RemappedFiles[i].second); 858 } 859 } 860 861 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 862 std::vector<std::string> &Res) { 863 if (!Opts.ShowCPP && !Opts.ShowMacros) 864 llvm::report_fatal_error("Invalid option combination!"); 865 866 if (Opts.ShowCPP && Opts.ShowMacros) 867 Res.push_back("-dD"); 868 else if (!Opts.ShowCPP && Opts.ShowMacros) 869 Res.push_back("-dM"); 870 871 if (!Opts.ShowLineMarkers) 872 Res.push_back("-P"); 873 if (Opts.ShowComments) 874 Res.push_back("-C"); 875 if (Opts.ShowMacroComments) 876 Res.push_back("-CC"); 877 } 878 879 static void TargetOptsToArgs(const TargetOptions &Opts, 880 std::vector<std::string> &Res) { 881 Res.push_back("-triple"); 882 Res.push_back(Opts.Triple); 883 if (!Opts.CPU.empty()) { 884 Res.push_back("-target-cpu"); 885 Res.push_back(Opts.CPU); 886 } 887 if (!Opts.ABI.empty()) { 888 Res.push_back("-target-abi"); 889 Res.push_back(Opts.ABI); 890 } 891 if (!Opts.LinkerVersion.empty()) { 892 Res.push_back("-target-linker-version"); 893 Res.push_back(Opts.LinkerVersion); 894 } 895 if (!Opts.CXXABI.empty()) { 896 Res.push_back("-cxx-abi"); 897 Res.push_back(Opts.CXXABI); 898 } 899 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 900 Res.push_back("-target-feature"); 901 Res.push_back(Opts.Features[i]); 902 } 903 } 904 905 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 906 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 907 CodeGenOptsToArgs(getCodeGenOpts(), Res); 908 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 909 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 910 FileSystemOptsToArgs(getFileSystemOpts(), Res); 911 FrontendOptsToArgs(getFrontendOpts(), Res); 912 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 913 LangOptsToArgs(*getLangOpts(), Res); 914 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 915 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 916 TargetOptsToArgs(getTargetOpts(), Res); 917 } 918 919 //===----------------------------------------------------------------------===// 920 // Deserialization (to args) 921 //===----------------------------------------------------------------------===// 922 923 using namespace clang::driver; 924 using namespace clang::driver::cc1options; 925 926 // 927 928 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 929 DiagnosticsEngine &Diags) { 930 unsigned DefaultOpt = 0; 931 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 932 DefaultOpt = 2; 933 // -Os/-Oz implies -O2 934 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 935 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 936 } 937 938 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 939 DiagnosticsEngine &Diags) { 940 using namespace cc1options; 941 942 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 943 StringRef Name = A->getValue(Args); 944 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 945 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 946 .Case(CMDFLAG, NAME##Model) 947 #include "clang/Frontend/Analyses.def" 948 .Default(NumStores); 949 // FIXME: Error handling. 950 if (Value == NumStores) 951 Diags.Report(diag::err_drv_invalid_value) 952 << A->getAsString(Args) << Name; 953 else 954 Opts.AnalysisStoreOpt = Value; 955 } 956 957 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 958 StringRef Name = A->getValue(Args); 959 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 960 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 961 .Case(CMDFLAG, NAME##Model) 962 #include "clang/Frontend/Analyses.def" 963 .Default(NumConstraints); 964 // FIXME: Error handling. 965 if (Value == NumConstraints) 966 Diags.Report(diag::err_drv_invalid_value) 967 << A->getAsString(Args) << Name; 968 else 969 Opts.AnalysisConstraintsOpt = Value; 970 } 971 972 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 973 StringRef Name = A->getValue(Args); 974 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 975 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 976 .Case(CMDFLAG, PD_##NAME) 977 #include "clang/Frontend/Analyses.def" 978 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 979 // FIXME: Error handling. 980 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 981 Diags.Report(diag::err_drv_invalid_value) 982 << A->getAsString(Args) << Name; 983 else 984 Opts.AnalysisDiagOpt = Value; 985 } 986 987 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 988 StringRef Name = A->getValue(Args); 989 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 990 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 991 .Case(CMDFLAG, NAME) 992 #include "clang/Frontend/Analyses.def" 993 .Default(NumPurgeModes); 994 // FIXME: Error handling. 995 if (Value == NumPurgeModes) 996 Diags.Report(diag::err_drv_invalid_value) 997 << A->getAsString(Args) << Name; 998 else 999 Opts.AnalysisPurgeOpt = Value; 1000 } 1001 1002 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1003 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1004 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1005 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1006 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1007 Opts.AnalyzeNestedBlocks = 1008 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1009 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1010 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1011 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1012 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1013 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1014 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1015 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1016 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1017 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1018 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 1019 1020 Opts.CheckersControlList.clear(); 1021 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1022 OPT_analyzer_disable_checker), 1023 ie = Args.filtered_end(); it != ie; ++it) { 1024 const Arg *A = *it; 1025 A->claim(); 1026 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1027 // We can have a list of comma separated checker names, e.g: 1028 // '-analyzer-checker=cocoa,unix' 1029 StringRef checkerList = A->getValue(Args); 1030 SmallVector<StringRef, 4> checkers; 1031 checkerList.split(checkers, ","); 1032 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1033 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1034 } 1035 } 1036 1037 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1038 DiagnosticsEngine &Diags) { 1039 using namespace cc1options; 1040 1041 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1042 if (Opts.OptimizationLevel > 3) { 1043 Diags.Report(diag::err_drv_invalid_value) 1044 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1045 Opts.OptimizationLevel = 3; 1046 } 1047 1048 // We must always run at least the always inlining pass. 1049 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1050 : CodeGenOptions::OnlyAlwaysInlining; 1051 1052 Opts.DebugInfo = Args.hasArg(OPT_g); 1053 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1054 || Args.hasArg(OPT_flimit_debug_info); 1055 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1056 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1057 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1058 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1059 OPT_fuse_register_sized_bitfield_access); 1060 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1061 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1062 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1063 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1064 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1065 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1066 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1067 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1068 Args.hasArg(OPT_ffreestanding)); 1069 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1070 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1071 1072 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1073 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1074 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1075 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1076 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1077 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1078 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1079 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1080 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1081 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1082 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1083 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1084 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1085 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1086 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1087 Args.hasArg(OPT_cl_fast_relaxed_math); 1088 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1089 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1090 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1091 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1092 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1093 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1094 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1095 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1096 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1097 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1098 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1099 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1100 Args.hasArg(OPT_cl_fast_relaxed_math); 1101 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1102 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1103 1104 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1105 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1106 1107 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1108 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1109 1110 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1111 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1112 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1113 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1114 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1115 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1116 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1117 1118 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1119 StringRef Name = A->getValue(Args); 1120 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1121 .Case("legacy", CodeGenOptions::Legacy) 1122 .Case("non-legacy", CodeGenOptions::NonLegacy) 1123 .Case("mixed", CodeGenOptions::Mixed) 1124 .Default(~0U); 1125 if (Method == ~0U) 1126 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1127 else 1128 Opts.ObjCDispatchMethod = Method; 1129 } 1130 } 1131 1132 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1133 ArgList &Args) { 1134 using namespace cc1options; 1135 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1136 Opts.Targets = Args.getAllArgValues(OPT_MT); 1137 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1138 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1139 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1140 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1141 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1142 } 1143 1144 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1145 DiagnosticsEngine &Diags) { 1146 using namespace cc1options; 1147 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1148 Opts.DiagnosticSerializationFile = 1149 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1150 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1151 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1152 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1153 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1154 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1155 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1156 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1157 OPT_fno_show_column, 1158 /*Default=*/true); 1159 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1160 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1161 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1162 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1163 1164 // Default behavior is to not to show note include stacks. 1165 Opts.ShowNoteIncludeStack = false; 1166 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1167 OPT_fno_diagnostics_show_note_include_stack)) 1168 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1169 Opts.ShowNoteIncludeStack = true; 1170 1171 StringRef ShowOverloads = 1172 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1173 if (ShowOverloads == "best") 1174 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1175 else if (ShowOverloads == "all") 1176 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1177 else 1178 Diags.Report(diag::err_drv_invalid_value) 1179 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1180 << ShowOverloads; 1181 1182 StringRef ShowCategory = 1183 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1184 if (ShowCategory == "none") 1185 Opts.ShowCategories = 0; 1186 else if (ShowCategory == "id") 1187 Opts.ShowCategories = 1; 1188 else if (ShowCategory == "name") 1189 Opts.ShowCategories = 2; 1190 else 1191 Diags.Report(diag::err_drv_invalid_value) 1192 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1193 << ShowCategory; 1194 1195 StringRef Format = 1196 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1197 if (Format == "clang") 1198 Opts.Format = DiagnosticOptions::Clang; 1199 else if (Format == "msvc") 1200 Opts.Format = DiagnosticOptions::Msvc; 1201 else if (Format == "vi") 1202 Opts.Format = DiagnosticOptions::Vi; 1203 else 1204 Diags.Report(diag::err_drv_invalid_value) 1205 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1206 << Format; 1207 1208 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1209 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1210 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1211 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1212 Opts.MacroBacktraceLimit 1213 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1214 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1215 Opts.TemplateBacktraceLimit 1216 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1217 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1218 Diags); 1219 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1220 DiagnosticOptions::DefaultTabStop, Diags); 1221 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1222 Diags.Report(diag::warn_ignoring_ftabstop_value) 1223 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1224 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1225 } 1226 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1227 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1228 Opts.Warnings = Args.getAllArgValues(OPT_W); 1229 } 1230 1231 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1232 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1233 } 1234 1235 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1236 DiagnosticsEngine &Diags) { 1237 using namespace cc1options; 1238 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1239 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1240 switch (A->getOption().getID()) { 1241 default: 1242 llvm_unreachable("Invalid option in group!"); 1243 case OPT_ast_dump: 1244 Opts.ProgramAction = frontend::ASTDump; break; 1245 case OPT_ast_dump_xml: 1246 Opts.ProgramAction = frontend::ASTDumpXML; break; 1247 case OPT_ast_print: 1248 Opts.ProgramAction = frontend::ASTPrint; break; 1249 case OPT_ast_view: 1250 Opts.ProgramAction = frontend::ASTView; break; 1251 case OPT_dump_raw_tokens: 1252 Opts.ProgramAction = frontend::DumpRawTokens; break; 1253 case OPT_dump_tokens: 1254 Opts.ProgramAction = frontend::DumpTokens; break; 1255 case OPT_S: 1256 Opts.ProgramAction = frontend::EmitAssembly; break; 1257 case OPT_emit_llvm_bc: 1258 Opts.ProgramAction = frontend::EmitBC; break; 1259 case OPT_emit_html: 1260 Opts.ProgramAction = frontend::EmitHTML; break; 1261 case OPT_emit_llvm: 1262 Opts.ProgramAction = frontend::EmitLLVM; break; 1263 case OPT_emit_llvm_only: 1264 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1265 case OPT_emit_codegen_only: 1266 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1267 case OPT_emit_obj: 1268 Opts.ProgramAction = frontend::EmitObj; break; 1269 case OPT_fixit_EQ: 1270 Opts.FixItSuffix = A->getValue(Args); 1271 // fall-through! 1272 case OPT_fixit: 1273 Opts.ProgramAction = frontend::FixIt; break; 1274 case OPT_emit_module: 1275 Opts.ProgramAction = frontend::GenerateModule; break; 1276 case OPT_emit_pch: 1277 Opts.ProgramAction = frontend::GeneratePCH; break; 1278 case OPT_emit_pth: 1279 Opts.ProgramAction = frontend::GeneratePTH; break; 1280 case OPT_init_only: 1281 Opts.ProgramAction = frontend::InitOnly; break; 1282 case OPT_fsyntax_only: 1283 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1284 case OPT_print_decl_contexts: 1285 Opts.ProgramAction = frontend::PrintDeclContext; break; 1286 case OPT_print_preamble: 1287 Opts.ProgramAction = frontend::PrintPreamble; break; 1288 case OPT_E: 1289 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1290 case OPT_rewrite_macros: 1291 Opts.ProgramAction = frontend::RewriteMacros; break; 1292 case OPT_rewrite_objc: 1293 Opts.ProgramAction = frontend::RewriteObjC; break; 1294 case OPT_rewrite_test: 1295 Opts.ProgramAction = frontend::RewriteTest; break; 1296 case OPT_analyze: 1297 Opts.ProgramAction = frontend::RunAnalysis; break; 1298 case OPT_Eonly: 1299 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1300 } 1301 } 1302 1303 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1304 Opts.Plugins.push_back(A->getValue(Args,0)); 1305 Opts.ProgramAction = frontend::PluginAction; 1306 Opts.ActionName = A->getValue(Args); 1307 1308 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1309 end = Args.filtered_end(); it != end; ++it) { 1310 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1311 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1312 } 1313 } 1314 1315 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1316 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1317 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1318 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1319 end = Args.filtered_end(); it != end; ++it) { 1320 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1321 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1322 } 1323 } 1324 1325 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1326 Opts.CodeCompletionAt = 1327 ParsedSourceLocation::FromString(A->getValue(Args)); 1328 if (Opts.CodeCompletionAt.FileName.empty()) 1329 Diags.Report(diag::err_drv_invalid_value) 1330 << A->getAsString(Args) << A->getValue(Args); 1331 } 1332 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1333 1334 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1335 Opts.Plugins = Args.getAllArgValues(OPT_load); 1336 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1337 Opts.ShowHelp = Args.hasArg(OPT_help); 1338 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1339 Opts.ShowCodePatternsInCodeCompletion 1340 = Args.hasArg(OPT_code_completion_patterns); 1341 Opts.ShowGlobalSymbolsInCodeCompletion 1342 = !Args.hasArg(OPT_no_code_completion_globals); 1343 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1344 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1345 Opts.ShowVersion = Args.hasArg(OPT_version); 1346 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1347 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1348 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1349 1350 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1351 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1352 OPT_arcmt_modify, 1353 OPT_arcmt_migrate)) { 1354 switch (A->getOption().getID()) { 1355 default: 1356 llvm_unreachable("missed a case"); 1357 case OPT_arcmt_check: 1358 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1359 break; 1360 case OPT_arcmt_modify: 1361 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1362 break; 1363 case OPT_arcmt_migrate: 1364 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1365 break; 1366 } 1367 } 1368 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1369 Opts.ARCMTMigrateReportOut 1370 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1371 Opts.ARCMTMigrateEmitARCErrors 1372 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1373 1374 InputKind DashX = IK_None; 1375 if (const Arg *A = Args.getLastArg(OPT_x)) { 1376 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1377 .Case("c", IK_C) 1378 .Case("cl", IK_OpenCL) 1379 .Case("cuda", IK_CUDA) 1380 .Case("c++", IK_CXX) 1381 .Case("objective-c", IK_ObjC) 1382 .Case("objective-c++", IK_ObjCXX) 1383 .Case("cpp-output", IK_PreprocessedC) 1384 .Case("assembler-with-cpp", IK_Asm) 1385 .Case("c++-cpp-output", IK_PreprocessedCXX) 1386 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1387 .Case("objc-cpp-output", IK_PreprocessedObjC) 1388 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1389 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1390 .Case("c-header", IK_C) 1391 .Case("cl-header", IK_OpenCL) 1392 .Case("objective-c-header", IK_ObjC) 1393 .Case("c++-header", IK_CXX) 1394 .Case("objective-c++-header", IK_ObjCXX) 1395 .Case("ast", IK_AST) 1396 .Case("ir", IK_LLVM_IR) 1397 .Default(IK_None); 1398 if (DashX == IK_None) 1399 Diags.Report(diag::err_drv_invalid_value) 1400 << A->getAsString(Args) << A->getValue(Args); 1401 } 1402 1403 // '-' is the default input if none is given. 1404 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1405 Opts.Inputs.clear(); 1406 if (Inputs.empty()) 1407 Inputs.push_back("-"); 1408 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1409 InputKind IK = DashX; 1410 if (IK == IK_None) { 1411 IK = FrontendOptions::getInputKindForExtension( 1412 StringRef(Inputs[i]).rsplit('.').second); 1413 // FIXME: Remove this hack. 1414 if (i == 0) 1415 DashX = IK; 1416 } 1417 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1418 } 1419 1420 return DashX; 1421 } 1422 1423 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1424 void *MainAddr) { 1425 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1426 1427 if (!P.isEmpty()) { 1428 P.eraseComponent(); // Remove /clang from foo/bin/clang 1429 P.eraseComponent(); // Remove /bin from foo/bin 1430 1431 // Get foo/lib/clang/<version>/include 1432 P.appendComponent("lib"); 1433 P.appendComponent("clang"); 1434 P.appendComponent(CLANG_VERSION_STRING); 1435 } 1436 1437 return P.str(); 1438 } 1439 1440 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1441 using namespace cc1options; 1442 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1443 Opts.Verbose = Args.hasArg(OPT_v); 1444 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1445 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1446 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1447 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1448 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1449 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1450 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1451 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1452 1453 // Add -I..., -F..., and -index-header-map options in order. 1454 bool IsIndexHeaderMap = false; 1455 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1456 OPT_index_header_map), 1457 ie = Args.filtered_end(); it != ie; ++it) { 1458 if ((*it)->getOption().matches(OPT_index_header_map)) { 1459 // -index-header-map applies to the next -I or -F. 1460 IsIndexHeaderMap = true; 1461 continue; 1462 } 1463 1464 frontend::IncludeDirGroup Group 1465 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1466 1467 Opts.AddPath((*it)->getValue(Args), Group, true, 1468 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1469 IsIndexHeaderMap = false; 1470 } 1471 1472 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1473 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1474 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1475 OPT_iwithprefixbefore), 1476 ie = Args.filtered_end(); it != ie; ++it) { 1477 const Arg *A = *it; 1478 if (A->getOption().matches(OPT_iprefix)) 1479 Prefix = A->getValue(Args); 1480 else if (A->getOption().matches(OPT_iwithprefix)) 1481 Opts.AddPath(Prefix.str() + A->getValue(Args), 1482 frontend::System, false, false, false); 1483 else 1484 Opts.AddPath(Prefix.str() + A->getValue(Args), 1485 frontend::Angled, false, false, false); 1486 } 1487 1488 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1489 ie = Args.filtered_end(); it != ie; ++it) 1490 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1491 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1492 ie = Args.filtered_end(); it != ie; ++it) 1493 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1494 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1495 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1496 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1497 !(*it)->getOption().matches(OPT_iwithsysroot)); 1498 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1499 ie = Args.filtered_end(); it != ie; ++it) 1500 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1501 true); 1502 1503 // Add the paths for the various language specific isystem flags. 1504 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1505 ie = Args.filtered_end(); it != ie; ++it) 1506 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1507 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1508 ie = Args.filtered_end(); it != ie; ++it) 1509 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1510 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1511 ie = Args.filtered_end(); it != ie; ++it) 1512 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1513 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1514 ie = Args.filtered_end(); it != ie; ++it) 1515 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1516 true); 1517 1518 // Add the internal paths from a driver that detects standard include paths. 1519 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1520 OPT_internal_externc_isystem), 1521 E = Args.filtered_end(); 1522 I != E; ++I) 1523 Opts.AddPath((*I)->getValue(Args), frontend::System, 1524 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1525 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1526 } 1527 1528 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1529 LangStandard::Kind LangStd) { 1530 // Set some properties which depend solely on the input kind; it would be nice 1531 // to move these to the language standard, and have the driver resolve the 1532 // input kind + language standard. 1533 if (IK == IK_Asm) { 1534 Opts.AsmPreprocessor = 1; 1535 } else if (IK == IK_ObjC || 1536 IK == IK_ObjCXX || 1537 IK == IK_PreprocessedObjC || 1538 IK == IK_PreprocessedObjCXX) { 1539 Opts.ObjC1 = Opts.ObjC2 = 1; 1540 } 1541 1542 if (LangStd == LangStandard::lang_unspecified) { 1543 // Based on the base language, pick one. 1544 switch (IK) { 1545 case IK_None: 1546 case IK_AST: 1547 case IK_LLVM_IR: 1548 llvm_unreachable("Invalid input kind!"); 1549 case IK_OpenCL: 1550 LangStd = LangStandard::lang_opencl; 1551 break; 1552 case IK_CUDA: 1553 LangStd = LangStandard::lang_cuda; 1554 break; 1555 case IK_Asm: 1556 case IK_C: 1557 case IK_PreprocessedC: 1558 case IK_ObjC: 1559 case IK_PreprocessedObjC: 1560 LangStd = LangStandard::lang_gnu99; 1561 break; 1562 case IK_CXX: 1563 case IK_PreprocessedCXX: 1564 case IK_ObjCXX: 1565 case IK_PreprocessedObjCXX: 1566 LangStd = LangStandard::lang_gnucxx98; 1567 break; 1568 } 1569 } 1570 1571 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1572 Opts.BCPLComment = Std.hasBCPLComments(); 1573 Opts.C99 = Std.isC99(); 1574 Opts.C1X = Std.isC1X(); 1575 Opts.CPlusPlus = Std.isCPlusPlus(); 1576 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1577 Opts.Digraphs = Std.hasDigraphs(); 1578 Opts.GNUMode = Std.isGNUMode(); 1579 Opts.GNUInline = !Std.isC99(); 1580 Opts.HexFloats = Std.hasHexFloats(); 1581 Opts.ImplicitInt = Std.hasImplicitInt(); 1582 1583 // OpenCL has some additional defaults. 1584 if (LangStd == LangStandard::lang_opencl) { 1585 Opts.OpenCL = 1; 1586 Opts.AltiVec = 0; 1587 Opts.CXXOperatorNames = 1; 1588 Opts.LaxVectorConversions = 0; 1589 Opts.DefaultFPContract = 1; 1590 } 1591 1592 if (LangStd == LangStandard::lang_cuda) 1593 Opts.CUDA = 1; 1594 1595 // OpenCL and C++ both have bool, true, false keywords. 1596 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1597 1598 Opts.GNUKeywords = Opts.GNUMode; 1599 Opts.CXXOperatorNames = Opts.CPlusPlus; 1600 1601 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1602 // is specified, or -std is set to a conforming mode. 1603 Opts.Trigraphs = !Opts.GNUMode; 1604 1605 Opts.DollarIdents = !Opts.AsmPreprocessor; 1606 } 1607 1608 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1609 DiagnosticsEngine &Diags) { 1610 // FIXME: Cleanup per-file based stuff. 1611 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1612 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1613 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1614 #define LANGSTANDARD(id, name, desc, features) \ 1615 .Case(name, LangStandard::lang_##id) 1616 #include "clang/Frontend/LangStandards.def" 1617 .Default(LangStandard::lang_unspecified); 1618 if (LangStd == LangStandard::lang_unspecified) 1619 Diags.Report(diag::err_drv_invalid_value) 1620 << A->getAsString(Args) << A->getValue(Args); 1621 else { 1622 // Valid standard, check to make sure language and standard are compatable. 1623 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1624 switch (IK) { 1625 case IK_C: 1626 case IK_ObjC: 1627 case IK_PreprocessedC: 1628 case IK_PreprocessedObjC: 1629 if (!(Std.isC89() || Std.isC99())) 1630 Diags.Report(diag::err_drv_argument_not_allowed_with) 1631 << A->getAsString(Args) << "C/ObjC"; 1632 break; 1633 case IK_CXX: 1634 case IK_ObjCXX: 1635 case IK_PreprocessedCXX: 1636 case IK_PreprocessedObjCXX: 1637 if (!Std.isCPlusPlus()) 1638 Diags.Report(diag::err_drv_argument_not_allowed_with) 1639 << A->getAsString(Args) << "C++/ObjC++"; 1640 break; 1641 case IK_OpenCL: 1642 if (!Std.isC99()) 1643 Diags.Report(diag::err_drv_argument_not_allowed_with) 1644 << A->getAsString(Args) << "OpenCL"; 1645 break; 1646 case IK_CUDA: 1647 if (!Std.isCPlusPlus()) 1648 Diags.Report(diag::err_drv_argument_not_allowed_with) 1649 << A->getAsString(Args) << "CUDA"; 1650 break; 1651 default: 1652 break; 1653 } 1654 } 1655 } 1656 1657 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1658 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1659 Diags.Report(diag::err_drv_invalid_value) 1660 << A->getAsString(Args) << A->getValue(Args); 1661 } 1662 } 1663 1664 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1665 1666 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1667 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1668 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1669 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1670 // name, as it doesn't seem a useful distinction. 1671 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1672 Opts.GNUKeywords); 1673 1674 if (Args.hasArg(OPT_fno_operator_names)) 1675 Opts.CXXOperatorNames = 0; 1676 1677 if (Opts.ObjC1) { 1678 if (Args.hasArg(OPT_fobjc_gc_only)) 1679 Opts.setGC(LangOptions::GCOnly); 1680 else if (Args.hasArg(OPT_fobjc_gc)) 1681 Opts.setGC(LangOptions::HybridGC); 1682 else if (Args.hasArg(OPT_fobjc_arc)) { 1683 Opts.ObjCAutoRefCount = 1; 1684 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1685 Diags.Report(diag::err_arc_nonfragile_abi); 1686 } 1687 1688 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1689 Opts.ObjCRuntimeHasWeak = 1; 1690 1691 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1692 Opts.ObjCInferRelatedResultType = 0; 1693 } 1694 1695 if (Args.hasArg(OPT_fgnu89_inline)) 1696 Opts.GNUInline = 1; 1697 1698 if (Args.hasArg(OPT_fapple_kext)) { 1699 if (!Opts.CPlusPlus) 1700 Diags.Report(diag::warn_c_kext); 1701 else 1702 Opts.AppleKext = 1; 1703 } 1704 1705 if (Args.hasArg(OPT_print_ivar_layout)) 1706 Opts.ObjCGCBitmapPrint = 1; 1707 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1708 Opts.NoConstantCFStrings = 1; 1709 1710 if (Args.hasArg(OPT_faltivec)) 1711 Opts.AltiVec = 1; 1712 1713 if (Args.hasArg(OPT_pthread)) 1714 Opts.POSIXThreads = 1; 1715 1716 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1717 Opts.DelayedTemplateParsing = 1; 1718 1719 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1720 if (Vis == "default") 1721 Opts.setVisibilityMode(DefaultVisibility); 1722 else if (Vis == "hidden") 1723 Opts.setVisibilityMode(HiddenVisibility); 1724 else if (Vis == "protected") 1725 Opts.setVisibilityMode(ProtectedVisibility); 1726 else 1727 Diags.Report(diag::err_drv_invalid_value) 1728 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1729 1730 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1731 Opts.InlineVisibilityHidden = 1; 1732 1733 if (Args.hasArg(OPT_ftrapv)) { 1734 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1735 // Set the handler, if one is specified. 1736 Opts.OverflowHandler = 1737 Args.getLastArgValue(OPT_ftrapv_handler); 1738 } 1739 else if (Args.hasArg(OPT_fwrapv)) 1740 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1741 1742 if (Args.hasArg(OPT_trigraphs)) 1743 Opts.Trigraphs = 1; 1744 1745 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1746 OPT_fno_dollars_in_identifiers, 1747 Opts.DollarIdents); 1748 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1749 Opts.MicrosoftExt 1750 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1751 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1752 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1753 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1754 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1755 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1756 Opts.ConstStrings); 1757 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1758 Opts.LaxVectorConversions = 0; 1759 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1760 Opts.ThreadsafeStatics = 0; 1761 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1762 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1763 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1764 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1765 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1766 1767 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1768 Opts.Blocks = Args.hasArg(OPT_fblocks); 1769 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1770 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1771 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1772 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1773 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1774 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1775 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1776 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1777 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1778 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1779 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1780 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1781 Diags); 1782 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1783 Diags); 1784 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1785 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1786 0, Diags); 1787 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1788 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1789 Opts.ObjCConstantStringClass = 1790 Args.getLastArgValue(OPT_fconstant_string_class); 1791 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1792 if (Opts.ObjCNonFragileABI) 1793 Opts.ObjCNonFragileABI2 = true; 1794 Opts.ObjCDefaultSynthProperties = 1795 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1796 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1797 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1798 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1799 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1800 Opts.Static = Args.hasArg(OPT_static_define); 1801 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1802 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1803 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1804 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1805 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1806 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1807 Opts.MRTD = Args.hasArg(OPT_mrtd); 1808 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1809 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1810 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1811 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1812 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1813 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1814 1815 // Record whether the __DEPRECATED define was requested. 1816 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1817 OPT_fno_deprecated_macro, 1818 Opts.Deprecated); 1819 1820 // FIXME: Eliminate this dependency. 1821 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1822 Opts.Optimize = Opt != 0; 1823 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1824 1825 // This is the __NO_INLINE__ define, which just depends on things like the 1826 // optimization level and -fno-inline, not actually whether the backend has 1827 // inlining enabled. 1828 // 1829 // FIXME: This is affected by other options (-fno-inline). 1830 Opts.NoInline = !Opt; 1831 1832 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1833 switch (SSP) { 1834 default: 1835 Diags.Report(diag::err_drv_invalid_value) 1836 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1837 break; 1838 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1839 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1840 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1841 } 1842 } 1843 1844 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1845 FileManager &FileMgr, 1846 DiagnosticsEngine &Diags) { 1847 using namespace cc1options; 1848 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1849 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1850 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1851 Opts.TokenCache = A->getValue(Args); 1852 else 1853 Opts.TokenCache = Opts.ImplicitPTHInclude; 1854 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1855 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1856 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1857 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1858 1859 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1860 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1861 ie = Args.filtered_end(); it != ie; ++it) { 1862 const Arg *A = *it; 1863 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1864 } 1865 1866 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1867 StringRef Value(A->getValue(Args)); 1868 size_t Comma = Value.find(','); 1869 unsigned Bytes = 0; 1870 unsigned EndOfLine = 0; 1871 1872 if (Comma == StringRef::npos || 1873 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1874 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1875 Diags.Report(diag::err_drv_preamble_format); 1876 else { 1877 Opts.PrecompiledPreambleBytes.first = Bytes; 1878 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1879 } 1880 } 1881 1882 // Add macros from the command line. 1883 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1884 ie = Args.filtered_end(); it != ie; ++it) { 1885 if ((*it)->getOption().matches(OPT_D)) 1886 Opts.addMacroDef((*it)->getValue(Args)); 1887 else 1888 Opts.addMacroUndef((*it)->getValue(Args)); 1889 } 1890 1891 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1892 1893 // Add the ordered list of -includes. 1894 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1895 OPT_include_pth), 1896 ie = Args.filtered_end(); it != ie; ++it) { 1897 const Arg *A = *it; 1898 // PCH is handled specially, we need to extra the original include path. 1899 if (A->getOption().matches(OPT_include_pch)) { 1900 std::string OriginalFile = 1901 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1902 if (OriginalFile.empty()) 1903 continue; 1904 1905 Opts.Includes.push_back(OriginalFile); 1906 } else 1907 Opts.Includes.push_back(A->getValue(Args)); 1908 } 1909 1910 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1911 ie = Args.filtered_end(); it != ie; ++it) { 1912 const Arg *A = *it; 1913 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1914 } 1915 1916 // Include 'altivec.h' if -faltivec option present 1917 if (Args.hasArg(OPT_faltivec)) 1918 Opts.Includes.push_back("altivec.h"); 1919 1920 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1921 ie = Args.filtered_end(); it != ie; ++it) { 1922 const Arg *A = *it; 1923 std::pair<StringRef,StringRef> Split = 1924 StringRef(A->getValue(Args)).split(';'); 1925 1926 if (Split.second.empty()) { 1927 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1928 continue; 1929 } 1930 1931 Opts.addRemappedFile(Split.first, Split.second); 1932 } 1933 1934 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1935 StringRef Name = A->getValue(Args); 1936 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1937 .Case("libc++", ARCXX_libcxx) 1938 .Case("libstdc++", ARCXX_libstdcxx) 1939 .Case("none", ARCXX_nolib) 1940 .Default(~0U); 1941 if (Library == ~0U) 1942 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1943 else 1944 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1945 } 1946 } 1947 1948 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1949 ArgList &Args) { 1950 using namespace cc1options; 1951 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1952 Opts.ShowComments = Args.hasArg(OPT_C); 1953 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1954 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1955 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1956 } 1957 1958 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1959 using namespace cc1options; 1960 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1961 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1962 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1963 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1964 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1965 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1966 1967 // Use the default target triple if unspecified. 1968 if (Opts.Triple.empty()) 1969 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1970 } 1971 1972 // 1973 1974 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1975 const char *const *ArgBegin, 1976 const char *const *ArgEnd, 1977 DiagnosticsEngine &Diags) { 1978 // Parse the arguments. 1979 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1980 unsigned MissingArgIndex, MissingArgCount; 1981 llvm::OwningPtr<InputArgList> Args( 1982 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1983 1984 // Check for missing argument error. 1985 if (MissingArgCount) 1986 Diags.Report(diag::err_drv_missing_argument) 1987 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1988 1989 // Issue errors on unknown arguments. 1990 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1991 ie = Args->filtered_end(); it != ie; ++it) 1992 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1993 1994 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1995 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1996 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1997 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1998 // FIXME: We shouldn't have to pass the DashX option around here 1999 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2000 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 2001 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2002 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2003 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2004 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2005 Res.getLangOpts()->ObjCExceptions = 1; 2006 } 2007 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2008 // PCH file and find the original header name. Remove the need to do that in 2009 // ParsePreprocessorArgs and remove the FileManager 2010 // parameters from the function and the "FileManager.h" #include. 2011 FileManager FileMgr(Res.getFileSystemOpts()); 2012 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2013 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2014 ParseTargetArgs(Res.getTargetOpts(), *Args); 2015 } 2016 2017 namespace { 2018 2019 class ModuleSignature { 2020 llvm::SmallVector<uint64_t, 16> Data; 2021 unsigned CurBit; 2022 uint64_t CurValue; 2023 2024 public: 2025 ModuleSignature() : CurBit(0), CurValue(0) { } 2026 2027 void add(uint64_t Value, unsigned Bits); 2028 void add(StringRef Value); 2029 void flush(); 2030 2031 llvm::APInt getAsInteger() const; 2032 }; 2033 } 2034 2035 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2036 CurValue |= Value << CurBit; 2037 if (CurBit + NumBits < 64) { 2038 CurBit += NumBits; 2039 return; 2040 } 2041 2042 // Add the current word. 2043 Data.push_back(CurValue); 2044 2045 if (CurBit) 2046 CurValue = Value >> (64-CurBit); 2047 else 2048 CurValue = 0; 2049 CurBit = (CurBit+NumBits) & 63; 2050 } 2051 2052 void ModuleSignature::flush() { 2053 if (CurBit == 0) 2054 return; 2055 2056 Data.push_back(CurValue); 2057 CurBit = 0; 2058 CurValue = 0; 2059 } 2060 2061 void ModuleSignature::add(StringRef Value) { 2062 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2063 add(*I, 8); 2064 } 2065 2066 llvm::APInt ModuleSignature::getAsInteger() const { 2067 return llvm::APInt(Data.size() * 64, Data); 2068 } 2069 2070 std::string CompilerInvocation::getModuleHash() const { 2071 ModuleSignature Signature; 2072 2073 // Start the signature with the compiler version. 2074 Signature.add(getClangFullRepositoryVersion()); 2075 2076 // Extend the signature with the language options 2077 #define LANGOPT(Name, Bits, Default, Description) \ 2078 Signature.add(LangOpts->Name, Bits); 2079 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2080 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2081 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2082 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2083 #include "clang/Basic/LangOptions.def" 2084 2085 // Extend the signature with the target triple 2086 llvm::Triple T(TargetOpts.Triple); 2087 Signature.add((unsigned)T.getArch(), 5); 2088 Signature.add((unsigned)T.getVendor(), 4); 2089 Signature.add((unsigned)T.getOS(), 5); 2090 Signature.add((unsigned)T.getEnvironment(), 4); 2091 2092 // Extend the signature with preprocessor options. 2093 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2094 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2095 2096 // Hash the preprocessor defines. 2097 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2098 std::vector<StringRef> MacroDefs; 2099 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2100 I = getPreprocessorOpts().Macros.begin(), 2101 IEnd = getPreprocessorOpts().Macros.end(); 2102 I != IEnd; ++I) { 2103 if (!I->second) 2104 MacroDefs.push_back(I->first); 2105 } 2106 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2107 2108 unsigned PPHashResult = 0; 2109 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2110 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2111 Signature.add(PPHashResult, 32); 2112 2113 // We've generated the signature. Treat it as one large APInt that we'll 2114 // encode in base-36 and return. 2115 Signature.flush(); 2116 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2117 } 2118