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 static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 68 case NAME: return CMDFLAG; 69 #include "clang/Frontend/Analyses.def" 70 } 71 } 72 73 //===----------------------------------------------------------------------===// 74 // Serialization (to args) 75 //===----------------------------------------------------------------------===// 76 77 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 78 std::vector<std::string> &Res) { 79 if (Opts.ShowCheckerHelp) 80 Res.push_back("-analyzer-checker-help"); 81 if (Opts.AnalysisStoreOpt != RegionStoreModel) { 82 Res.push_back("-analyzer-store"); 83 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 84 } 85 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 86 Res.push_back("-analyzer-constraints"); 87 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 88 } 89 if (Opts.AnalysisDiagOpt != PD_HTML) { 90 Res.push_back("-analyzer-output"); 91 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 92 } 93 if (Opts.AnalysisPurgeOpt != PurgeStmt) { 94 Res.push_back("-analyzer-purge"); 95 Res.push_back(getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 96 } 97 if (!Opts.AnalyzeSpecificFunction.empty()) { 98 Res.push_back("-analyze-function"); 99 Res.push_back(Opts.AnalyzeSpecificFunction); 100 } 101 if (Opts.AnalyzeAll) 102 Res.push_back("-analyzer-opt-analyze-headers"); 103 if (Opts.AnalyzerDisplayProgress) 104 Res.push_back("-analyzer-display-progress"); 105 if (Opts.AnalyzeNestedBlocks) 106 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 107 if (Opts.EagerlyAssume) 108 Res.push_back("-analyzer-eagerly-assume"); 109 if (Opts.TrimGraph) 110 Res.push_back("-trim-egraph"); 111 if (Opts.VisualizeEGDot) 112 Res.push_back("-analyzer-viz-egraph-graphviz"); 113 if (Opts.VisualizeEGUbi) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 116 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 117 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 118 if (opt.second) 119 Res.push_back("-analyzer-disable-checker"); 120 else 121 Res.push_back("-analyzer-checker"); 122 Res.push_back(opt.first); 123 } 124 } 125 126 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 127 std::vector<std::string> &Res) { 128 if (Opts.DebugInfo) 129 Res.push_back("-g"); 130 if (Opts.DisableLLVMOpts) 131 Res.push_back("-disable-llvm-optzns"); 132 if (Opts.DisableRedZone) 133 Res.push_back("-disable-red-zone"); 134 if (!Opts.DebugCompilationDir.empty()) { 135 Res.push_back("-fdebug-compilation-dir"); 136 Res.push_back(Opts.DebugCompilationDir); 137 } 138 if (!Opts.DwarfDebugFlags.empty()) { 139 Res.push_back("-dwarf-debug-flags"); 140 Res.push_back(Opts.DwarfDebugFlags); 141 } 142 if (Opts.ObjCRuntimeHasARC) 143 Res.push_back("-fobjc-runtime-has-arc"); 144 if (Opts.ObjCRuntimeHasTerminate) 145 Res.push_back("-fobjc-runtime-has-terminate"); 146 if (Opts.EmitGcovArcs) 147 Res.push_back("-femit-coverage-data"); 148 if (Opts.EmitGcovNotes) 149 Res.push_back("-femit-coverage-notes"); 150 if (!Opts.MergeAllConstants) 151 Res.push_back("-fno-merge-all-constants"); 152 if (Opts.NoCommon) 153 Res.push_back("-fno-common"); 154 if (Opts.ForbidGuardVariables) 155 Res.push_back("-fforbid-guard-variables"); 156 if (Opts.UseRegisterSizedBitfieldAccess) 157 Res.push_back("-fuse-register-sized-bitfield-access"); 158 if (Opts.NoImplicitFloat) 159 Res.push_back("-no-implicit-float"); 160 if (Opts.OmitLeafFramePointer) 161 Res.push_back("-momit-leaf-frame-pointer"); 162 if (Opts.OptimizeSize) { 163 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 164 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 165 } else if (Opts.OptimizationLevel != 0) 166 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 167 if (!Opts.MainFileName.empty()) { 168 Res.push_back("-main-file-name"); 169 Res.push_back(Opts.MainFileName); 170 } 171 // SimplifyLibCalls is only derived. 172 // TimePasses is only derived. 173 // UnitAtATime is unused. 174 // Inlining is only derived. 175 176 // UnrollLoops is derived, but also accepts an option, no 177 // harm in pushing it back here. 178 if (Opts.UnrollLoops) 179 Res.push_back("-funroll-loops"); 180 if (Opts.DataSections) 181 Res.push_back("-fdata-sections"); 182 if (Opts.FunctionSections) 183 Res.push_back("-ffunction-sections"); 184 if (Opts.AsmVerbose) 185 Res.push_back("-masm-verbose"); 186 if (!Opts.CodeModel.empty()) { 187 Res.push_back("-mcode-model"); 188 Res.push_back(Opts.CodeModel); 189 } 190 if (Opts.CUDAIsDevice) 191 Res.push_back("-fcuda-is-device"); 192 if (!Opts.CXAAtExit) 193 Res.push_back("-fno-use-cxa-atexit"); 194 if (Opts.CXXCtorDtorAliases) 195 Res.push_back("-mconstructor-aliases"); 196 if (Opts.ObjCAutoRefCountExceptions) 197 Res.push_back("-fobjc-arc-eh"); 198 if (!Opts.DebugPass.empty()) { 199 Res.push_back("-mdebug-pass"); 200 Res.push_back(Opts.DebugPass); 201 } 202 if (Opts.DisableFPElim) 203 Res.push_back("-mdisable-fp-elim"); 204 if (!Opts.FloatABI.empty()) { 205 Res.push_back("-mfloat-abi"); 206 Res.push_back(Opts.FloatABI); 207 } 208 if (!Opts.LimitFloatPrecision.empty()) { 209 Res.push_back("-mlimit-float-precision"); 210 Res.push_back(Opts.LimitFloatPrecision); 211 } 212 if (Opts.NoZeroInitializedInBSS) 213 Res.push_back("-mno-zero-initialized-bss"); 214 switch (Opts.getObjCDispatchMethod()) { 215 case CodeGenOptions::Legacy: 216 break; 217 case CodeGenOptions::Mixed: 218 Res.push_back("-fobjc-dispatch-method=mixed"); 219 break; 220 case CodeGenOptions::NonLegacy: 221 Res.push_back("-fobjc-dispatch-method=non-legacy"); 222 break; 223 } 224 if (Opts.NumRegisterParameters) { 225 Res.push_back("-mregparm"); 226 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 227 } 228 if (Opts.NoGlobalMerge) 229 Res.push_back("-mno-global-merge"); 230 if (Opts.NoExecStack) 231 Res.push_back("-mnoexecstack"); 232 if (Opts.RelaxAll) 233 Res.push_back("-mrelax-all"); 234 if (Opts.SaveTempLabels) 235 Res.push_back("-msave-temp-labels"); 236 if (Opts.NoDwarf2CFIAsm) 237 Res.push_back("-fno-dwarf2-cfi-asm"); 238 if (Opts.NoDwarfDirectoryAsm) 239 Res.push_back("-fno-dwarf-directory-asm"); 240 if (Opts.SoftFloat) 241 Res.push_back("-msoft-float"); 242 if (Opts.UnwindTables) 243 Res.push_back("-munwind-tables"); 244 if (Opts.RelocationModel != "pic") { 245 Res.push_back("-mrelocation-model"); 246 Res.push_back(Opts.RelocationModel); 247 } 248 if (!Opts.VerifyModule) 249 Res.push_back("-disable-llvm-verifier"); 250 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 251 Res.push_back("-backend-option"); 252 Res.push_back(Opts.BackendOptions[i]); 253 } 254 } 255 256 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 257 std::vector<std::string> &Res) { 258 if (Opts.IncludeSystemHeaders) 259 Res.push_back("-sys-header-deps"); 260 if (Opts.ShowHeaderIncludes) 261 Res.push_back("-H"); 262 if (!Opts.HeaderIncludeOutputFile.empty()) { 263 Res.push_back("-header-include-file"); 264 Res.push_back(Opts.HeaderIncludeOutputFile); 265 } 266 if (Opts.UsePhonyTargets) 267 Res.push_back("-MP"); 268 if (!Opts.OutputFile.empty()) { 269 Res.push_back("-dependency-file"); 270 Res.push_back(Opts.OutputFile); 271 } 272 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 273 Res.push_back("-MT"); 274 Res.push_back(Opts.Targets[i]); 275 } 276 } 277 278 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 279 std::vector<std::string> &Res) { 280 if (Opts.IgnoreWarnings) 281 Res.push_back("-w"); 282 if (Opts.NoRewriteMacros) 283 Res.push_back("-Wno-rewrite-macros"); 284 if (Opts.Pedantic) 285 Res.push_back("-pedantic"); 286 if (Opts.PedanticErrors) 287 Res.push_back("-pedantic-errors"); 288 if (!Opts.ShowColumn) 289 Res.push_back("-fno-show-column"); 290 if (!Opts.ShowLocation) 291 Res.push_back("-fno-show-source-location"); 292 if (!Opts.ShowCarets) 293 Res.push_back("-fno-caret-diagnostics"); 294 if (!Opts.ShowFixits) 295 Res.push_back("-fno-diagnostics-fixit-info"); 296 if (Opts.ShowSourceRanges) 297 Res.push_back("-fdiagnostics-print-source-range-info"); 298 if (Opts.ShowParseableFixits) 299 Res.push_back("-fdiagnostics-parseable-fixits"); 300 if (Opts.ShowColors) 301 Res.push_back("-fcolor-diagnostics"); 302 if (Opts.VerifyDiagnostics) 303 Res.push_back("-verify"); 304 if (Opts.ShowNames) 305 Res.push_back("-fdiagnostics-show-name"); 306 if (Opts.ShowOptionNames) 307 Res.push_back("-fdiagnostics-show-option"); 308 if (Opts.ShowCategories == 1) 309 Res.push_back("-fdiagnostics-show-category=id"); 310 else if (Opts.ShowCategories == 2) 311 Res.push_back("-fdiagnostics-show-category=name"); 312 switch (Opts.Format) { 313 case DiagnosticOptions::Clang: 314 Res.push_back("-fdiagnostics-format=clang"); break; 315 case DiagnosticOptions::Msvc: 316 Res.push_back("-fdiagnostics-format=msvc"); break; 317 case DiagnosticOptions::Vi: 318 Res.push_back("-fdiagnostics-format=vi"); break; 319 } 320 if (Opts.ErrorLimit) { 321 Res.push_back("-ferror-limit"); 322 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 323 } 324 if (!Opts.DiagnosticLogFile.empty()) { 325 Res.push_back("-diagnostic-log-file"); 326 Res.push_back(Opts.DiagnosticLogFile); 327 } 328 if (Opts.MacroBacktraceLimit 329 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 330 Res.push_back("-fmacro-backtrace-limit"); 331 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 332 } 333 if (Opts.TemplateBacktraceLimit 334 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 335 Res.push_back("-ftemplate-backtrace-limit"); 336 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 337 } 338 339 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 340 Res.push_back("-ftabstop"); 341 Res.push_back(llvm::utostr(Opts.TabStop)); 342 } 343 if (Opts.MessageLength) { 344 Res.push_back("-fmessage-length"); 345 Res.push_back(llvm::utostr(Opts.MessageLength)); 346 } 347 if (!Opts.DumpBuildInformation.empty()) { 348 Res.push_back("-dump-build-information"); 349 Res.push_back(Opts.DumpBuildInformation); 350 } 351 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 352 Res.push_back("-W" + Opts.Warnings[i]); 353 } 354 355 static const char *getInputKindName(InputKind Kind) { 356 switch (Kind) { 357 case IK_None: break; 358 case IK_AST: return "ast"; 359 case IK_Asm: return "assembler-with-cpp"; 360 case IK_C: return "c"; 361 case IK_CXX: return "c++"; 362 case IK_LLVM_IR: return "ir"; 363 case IK_ObjC: return "objective-c"; 364 case IK_ObjCXX: return "objective-c++"; 365 case IK_OpenCL: return "cl"; 366 case IK_CUDA: return "cuda"; 367 case IK_PreprocessedC: return "cpp-output"; 368 case IK_PreprocessedCXX: return "c++-cpp-output"; 369 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 370 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 371 } 372 373 llvm_unreachable("Unexpected language kind!"); 374 return 0; 375 } 376 377 static const char *getActionName(frontend::ActionKind Kind) { 378 switch (Kind) { 379 case frontend::PluginAction: 380 llvm_unreachable("Invalid kind!"); 381 382 case frontend::ASTDump: return "-ast-dump"; 383 case frontend::ASTDumpXML: return "-ast-dump-xml"; 384 case frontend::ASTPrint: return "-ast-print"; 385 case frontend::ASTView: return "-ast-view"; 386 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 387 case frontend::DumpTokens: return "-dump-tokens"; 388 case frontend::EmitAssembly: return "-S"; 389 case frontend::EmitBC: return "-emit-llvm-bc"; 390 case frontend::EmitHTML: return "-emit-html"; 391 case frontend::EmitLLVM: return "-emit-llvm"; 392 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 393 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 394 case frontend::EmitObj: return "-emit-obj"; 395 case frontend::FixIt: return "-fixit"; 396 case frontend::GenerateModule: return "-emit-module"; 397 case frontend::GenerateModuleFromMap: return "-emit-module-from-map"; 398 case frontend::GeneratePCH: return "-emit-pch"; 399 case frontend::GeneratePTH: return "-emit-pth"; 400 case frontend::InitOnly: return "-init-only"; 401 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 402 case frontend::PrintDeclContext: return "-print-decl-contexts"; 403 case frontend::PrintPreamble: return "-print-preamble"; 404 case frontend::PrintPreprocessedInput: return "-E"; 405 case frontend::RewriteMacros: return "-rewrite-macros"; 406 case frontend::RewriteObjC: return "-rewrite-objc"; 407 case frontend::RewriteTest: return "-rewrite-test"; 408 case frontend::RunAnalysis: return "-analyze"; 409 case frontend::RunPreprocessorOnly: return "-Eonly"; 410 } 411 412 llvm_unreachable("Unexpected language kind!"); 413 return 0; 414 } 415 416 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 417 std::vector<std::string> &Res) { 418 if (!Opts.WorkingDir.empty()) { 419 Res.push_back("-working-directory"); 420 Res.push_back(Opts.WorkingDir); 421 } 422 } 423 424 static void FrontendOptsToArgs(const FrontendOptions &Opts, 425 std::vector<std::string> &Res) { 426 if (Opts.DisableFree) 427 Res.push_back("-disable-free"); 428 if (Opts.RelocatablePCH) 429 Res.push_back("-relocatable-pch"); 430 if (Opts.ShowHelp) 431 Res.push_back("-help"); 432 if (Opts.ShowMacrosInCodeCompletion) 433 Res.push_back("-code-completion-macros"); 434 if (Opts.ShowCodePatternsInCodeCompletion) 435 Res.push_back("-code-completion-patterns"); 436 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 437 Res.push_back("-no-code-completion-globals"); 438 if (Opts.ShowStats) 439 Res.push_back("-print-stats"); 440 if (Opts.ShowTimers) 441 Res.push_back("-ftime-report"); 442 if (Opts.ShowVersion) 443 Res.push_back("-version"); 444 if (Opts.FixWhatYouCan) 445 Res.push_back("-fix-what-you-can"); 446 switch (Opts.ARCMTAction) { 447 case FrontendOptions::ARCMT_None: 448 break; 449 case FrontendOptions::ARCMT_Check: 450 Res.push_back("-arcmt-check"); 451 break; 452 case FrontendOptions::ARCMT_Modify: 453 Res.push_back("-arcmt-modify"); 454 break; 455 case FrontendOptions::ARCMT_Migrate: 456 Res.push_back("-arcmt-migrate"); 457 break; 458 } 459 if (!Opts.ARCMTMigrateDir.empty()) { 460 Res.push_back("-arcmt-migrate-directory"); 461 Res.push_back(Opts.ARCMTMigrateDir); 462 } 463 if (!Opts.ARCMTMigrateReportOut.empty()) { 464 Res.push_back("-arcmt-migrate-report-output"); 465 Res.push_back(Opts.ARCMTMigrateReportOut); 466 } 467 if (Opts.ARCMTMigrateEmitARCErrors) 468 Res.push_back("-arcmt-migrate-emit-errors"); 469 470 bool NeedLang = false; 471 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 472 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 473 Opts.Inputs[i].first) 474 NeedLang = true; 475 if (NeedLang) { 476 Res.push_back("-x"); 477 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 478 } 479 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 480 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 481 "Unable to represent this input vector!"); 482 Res.push_back(Opts.Inputs[i].second); 483 } 484 485 if (!Opts.OutputFile.empty()) { 486 Res.push_back("-o"); 487 Res.push_back(Opts.OutputFile); 488 } 489 if (!Opts.CodeCompletionAt.FileName.empty()) { 490 Res.push_back("-code-completion-at"); 491 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 492 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 493 llvm::utostr(Opts.CodeCompletionAt.Column)); 494 } 495 if (Opts.ProgramAction != frontend::PluginAction) 496 Res.push_back(getActionName(Opts.ProgramAction)); 497 if (!Opts.ActionName.empty()) { 498 Res.push_back("-plugin"); 499 Res.push_back(Opts.ActionName); 500 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 501 Res.push_back("-plugin-arg-" + Opts.ActionName); 502 Res.push_back(Opts.PluginArgs[i]); 503 } 504 } 505 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 506 Res.push_back("-load"); 507 Res.push_back(Opts.Plugins[i]); 508 } 509 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 510 Res.push_back("-add-plugin"); 511 Res.push_back(Opts.AddPluginActions[i]); 512 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 513 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 514 Res.push_back(Opts.AddPluginArgs[i][ai]); 515 } 516 } 517 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 518 Res.push_back("-ast-merge"); 519 Res.push_back(Opts.ASTMergeFiles[i]); 520 } 521 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 522 Res.push_back("-mllvm"); 523 Res.push_back(Opts.LLVMArgs[i]); 524 } 525 } 526 527 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 528 std::vector<std::string> &Res) { 529 if (Opts.Sysroot != "/") { 530 Res.push_back("-isysroot"); 531 Res.push_back(Opts.Sysroot); 532 } 533 534 /// User specified include entries. 535 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 536 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 537 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 538 llvm::report_fatal_error("Invalid option set!"); 539 if (E.IsUserSupplied) { 540 switch (E.Group) { 541 case frontend::After: 542 Res.push_back("-idirafter"); 543 break; 544 545 case frontend::Quoted: 546 Res.push_back("-iquote"); 547 break; 548 549 case frontend::System: 550 Res.push_back("-isystem"); 551 break; 552 553 case frontend::IndexHeaderMap: 554 Res.push_back("-index-header-map"); 555 Res.push_back(E.IsFramework? "-F" : "-I"); 556 break; 557 558 case frontend::CSystem: 559 Res.push_back("-c-isystem"); 560 break; 561 562 case frontend::CXXSystem: 563 Res.push_back("-cxx-isystem"); 564 break; 565 566 case frontend::ObjCSystem: 567 Res.push_back("-objc-isystem"); 568 break; 569 570 case frontend::ObjCXXSystem: 571 Res.push_back("-objcxx-isystem"); 572 break; 573 574 case frontend::Angled: 575 Res.push_back(E.IsFramework ? "-F" : "-I"); 576 break; 577 } 578 } else { 579 if (E.IsInternal) { 580 assert(E.Group == frontend::System && "Unexpected header search group"); 581 if (E.ImplicitExternC) 582 Res.push_back("-internal-externc-isystem"); 583 else 584 Res.push_back("-internal-isystem"); 585 } else { 586 if (E.Group != frontend::Angled && E.Group != frontend::System) 587 llvm::report_fatal_error("Invalid option set!"); 588 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 589 "-iwithprefix"); 590 } 591 } 592 Res.push_back(E.Path); 593 } 594 595 if (!Opts.ResourceDir.empty()) { 596 Res.push_back("-resource-dir"); 597 Res.push_back(Opts.ResourceDir); 598 } 599 if (!Opts.ModuleCachePath.empty()) { 600 Res.push_back("-fmodule-cache-path"); 601 Res.push_back(Opts.ModuleCachePath); 602 } 603 if (!Opts.UseStandardSystemIncludes) 604 Res.push_back("-nostdsysteminc"); 605 if (!Opts.UseStandardCXXIncludes) 606 Res.push_back("-nostdinc++"); 607 if (Opts.UseLibcxx) 608 Res.push_back("-stdlib=libc++"); 609 if (Opts.Verbose) 610 Res.push_back("-v"); 611 } 612 613 static void LangOptsToArgs(const LangOptions &Opts, 614 std::vector<std::string> &Res) { 615 LangOptions DefaultLangOpts; 616 617 // FIXME: Need to set -std to get all the implicit options. 618 619 // FIXME: We want to only pass options relative to the defaults, which 620 // requires constructing a target. :( 621 // 622 // It would be better to push the all target specific choices into the driver, 623 // so that everything below that was more uniform. 624 625 if (Opts.Trigraphs) 626 Res.push_back("-trigraphs"); 627 // Implicit based on the input kind: 628 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 629 // Implicit based on the input language standard: 630 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 631 if (Opts.DollarIdents) 632 Res.push_back("-fdollars-in-identifiers"); 633 if (Opts.GNUMode && !Opts.GNUKeywords) 634 Res.push_back("-fno-gnu-keywords"); 635 if (!Opts.GNUMode && Opts.GNUKeywords) 636 Res.push_back("-fgnu-keywords"); 637 if (Opts.MicrosoftExt) 638 Res.push_back("-fms-extensions"); 639 if (Opts.MicrosoftMode) 640 Res.push_back("-fms-compatibility"); 641 if (Opts.MSCVersion != 0) 642 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 643 if (Opts.Borland) 644 Res.push_back("-fborland-extensions"); 645 if (!Opts.ObjCNonFragileABI) 646 Res.push_back("-fobjc-fragile-abi"); 647 if (Opts.ObjCDefaultSynthProperties) 648 Res.push_back("-fobjc-default-synthesize-properties"); 649 // NoInline is implicit. 650 if (!Opts.CXXOperatorNames) 651 Res.push_back("-fno-operator-names"); 652 if (Opts.PascalStrings) 653 Res.push_back("-fpascal-strings"); 654 if (Opts.CatchUndefined) 655 Res.push_back("-fcatch-undefined-behavior"); 656 if (Opts.WritableStrings) 657 Res.push_back("-fwritable-strings"); 658 if (Opts.ConstStrings) 659 Res.push_back("-fconst-strings"); 660 if (!Opts.LaxVectorConversions) 661 Res.push_back("-fno-lax-vector-conversions"); 662 if (Opts.AltiVec) 663 Res.push_back("-faltivec"); 664 if (Opts.Exceptions) 665 Res.push_back("-fexceptions"); 666 if (Opts.ObjCExceptions) 667 Res.push_back("-fobjc-exceptions"); 668 if (Opts.CXXExceptions) 669 Res.push_back("-fcxx-exceptions"); 670 if (Opts.SjLjExceptions) 671 Res.push_back("-fsjlj-exceptions"); 672 if (Opts.TraditionalCPP) 673 Res.push_back("-traditional-cpp"); 674 if (!Opts.RTTI) 675 Res.push_back("-fno-rtti"); 676 if (Opts.MSBitfields) 677 Res.push_back("-mms-bitfields"); 678 if (!Opts.NeXTRuntime) 679 Res.push_back("-fgnu-runtime"); 680 if (Opts.Freestanding) 681 Res.push_back("-ffreestanding"); 682 if (Opts.NoBuiltin) 683 Res.push_back("-fno-builtin"); 684 if (!Opts.AssumeSaneOperatorNew) 685 Res.push_back("-fno-assume-sane-operator-new"); 686 if (!Opts.ThreadsafeStatics) 687 Res.push_back("-fno-threadsafe-statics"); 688 if (Opts.POSIXThreads) 689 Res.push_back("-pthread"); 690 if (Opts.Blocks) 691 Res.push_back("-fblocks"); 692 if (Opts.BlocksRuntimeOptional) 693 Res.push_back("-fblocks-runtime-optional"); 694 if (Opts.EmitAllDecls) 695 Res.push_back("-femit-all-decls"); 696 if (Opts.MathErrno) 697 Res.push_back("-fmath-errno"); 698 switch (Opts.getSignedOverflowBehavior()) { 699 case LangOptions::SOB_Undefined: break; 700 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 701 case LangOptions::SOB_Trapping: 702 Res.push_back("-ftrapv"); 703 if (!Opts.OverflowHandler.empty()) { 704 Res.push_back("-ftrapv-handler"); 705 Res.push_back(Opts.OverflowHandler); 706 } 707 break; 708 } 709 if (Opts.HeinousExtensions) 710 Res.push_back("-fheinous-gnu-extensions"); 711 // Optimize is implicit. 712 // OptimizeSize is implicit. 713 if (Opts.Static) 714 Res.push_back("-static-define"); 715 if (Opts.DumpRecordLayouts) 716 Res.push_back("-fdump-record-layouts"); 717 if (Opts.DumpVTableLayouts) 718 Res.push_back("-fdump-vtable-layouts"); 719 if (Opts.NoBitFieldTypeAlign) 720 Res.push_back("-fno-bitfield-type-alignment"); 721 if (Opts.PICLevel) { 722 Res.push_back("-pic-level"); 723 Res.push_back(llvm::utostr(Opts.PICLevel)); 724 } 725 if (Opts.ObjCGCBitmapPrint) 726 Res.push_back("-print-ivar-layout"); 727 if (Opts.NoConstantCFStrings) 728 Res.push_back("-fno-constant-cfstrings"); 729 if (!Opts.AccessControl) 730 Res.push_back("-fno-access-control"); 731 if (!Opts.CharIsSigned) 732 Res.push_back("-fno-signed-char"); 733 if (Opts.ShortWChar) 734 Res.push_back("-fshort-wchar"); 735 if (!Opts.ElideConstructors) 736 Res.push_back("-fno-elide-constructors"); 737 if (Opts.getGC() != LangOptions::NonGC) { 738 if (Opts.getGC() == LangOptions::HybridGC) { 739 Res.push_back("-fobjc-gc"); 740 } else { 741 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 742 Res.push_back("-fobjc-gc-only"); 743 } 744 } 745 if (Opts.ObjCAutoRefCount) 746 Res.push_back("-fobjc-arc"); 747 if (Opts.ObjCRuntimeHasWeak) 748 Res.push_back("-fobjc-runtime-has-weak"); 749 if (!Opts.ObjCInferRelatedResultType) 750 Res.push_back("-fno-objc-infer-related-result-type"); 751 752 if (Opts.AppleKext) 753 Res.push_back("-fapple-kext"); 754 755 if (Opts.getVisibilityMode() != DefaultVisibility) { 756 Res.push_back("-fvisibility"); 757 if (Opts.getVisibilityMode() == HiddenVisibility) { 758 Res.push_back("hidden"); 759 } else { 760 assert(Opts.getVisibilityMode() == ProtectedVisibility && 761 "Invalid visibility!"); 762 Res.push_back("protected"); 763 } 764 } 765 if (Opts.InlineVisibilityHidden) 766 Res.push_back("-fvisibility-inlines-hidden"); 767 768 if (Opts.getStackProtector() != 0) { 769 Res.push_back("-stack-protector"); 770 Res.push_back(llvm::utostr(Opts.getStackProtector())); 771 } 772 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 773 Res.push_back("-ftemplate-depth"); 774 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 775 } 776 if (!Opts.ObjCConstantStringClass.empty()) { 777 Res.push_back("-fconstant-string-class"); 778 Res.push_back(Opts.ObjCConstantStringClass); 779 } 780 if (Opts.FakeAddressSpaceMap) 781 Res.push_back("-ffake-address-space-map"); 782 if (Opts.ParseUnknownAnytype) 783 Res.push_back("-funknown-anytype"); 784 if (Opts.DebuggerSupport) 785 Res.push_back("-fdebugger-support"); 786 if (Opts.DelayedTemplateParsing) 787 Res.push_back("-fdelayed-template-parsing"); 788 if (Opts.Deprecated) 789 Res.push_back("-fdeprecated-macro"); 790 if (Opts.ApplePragmaPack) 791 Res.push_back("-fapple-pragma-pack"); 792 if (!Opts.CurrentModule.empty()) 793 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 794 } 795 796 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 797 std::vector<std::string> &Res) { 798 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 799 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 800 Opts.Macros[i].first); 801 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 802 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 803 Res.push_back("-include"); 804 Res.push_back(Opts.Includes[i]); 805 } 806 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 807 Res.push_back("-imacros"); 808 Res.push_back(Opts.MacroIncludes[i]); 809 } 810 if (!Opts.UsePredefines) 811 Res.push_back("-undef"); 812 if (Opts.DetailedRecord) 813 Res.push_back("-detailed-preprocessing-record"); 814 if (!Opts.ImplicitPCHInclude.empty()) { 815 Res.push_back("-include-pch"); 816 Res.push_back(Opts.ImplicitPCHInclude); 817 } 818 if (!Opts.ImplicitPTHInclude.empty()) { 819 Res.push_back("-include-pth"); 820 Res.push_back(Opts.ImplicitPTHInclude); 821 } 822 if (!Opts.TokenCache.empty()) { 823 if (Opts.ImplicitPTHInclude.empty()) { 824 Res.push_back("-token-cache"); 825 Res.push_back(Opts.TokenCache); 826 } else 827 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 828 "Unsupported option combination!"); 829 } 830 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 831 Res.push_back("-chain-include"); 832 Res.push_back(Opts.ChainedIncludes[i]); 833 } 834 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 835 Res.push_back("-remap-file"); 836 Res.push_back(Opts.RemappedFiles[i].first + ";" + 837 Opts.RemappedFiles[i].second); 838 } 839 } 840 841 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 842 std::vector<std::string> &Res) { 843 if (!Opts.ShowCPP && !Opts.ShowMacros) 844 llvm::report_fatal_error("Invalid option combination!"); 845 846 if (Opts.ShowCPP && Opts.ShowMacros) 847 Res.push_back("-dD"); 848 else if (!Opts.ShowCPP && Opts.ShowMacros) 849 Res.push_back("-dM"); 850 851 if (!Opts.ShowLineMarkers) 852 Res.push_back("-P"); 853 if (Opts.ShowComments) 854 Res.push_back("-C"); 855 if (Opts.ShowMacroComments) 856 Res.push_back("-CC"); 857 } 858 859 static void TargetOptsToArgs(const TargetOptions &Opts, 860 std::vector<std::string> &Res) { 861 Res.push_back("-triple"); 862 Res.push_back(Opts.Triple); 863 if (!Opts.CPU.empty()) { 864 Res.push_back("-target-cpu"); 865 Res.push_back(Opts.CPU); 866 } 867 if (!Opts.ABI.empty()) { 868 Res.push_back("-target-abi"); 869 Res.push_back(Opts.ABI); 870 } 871 if (!Opts.LinkerVersion.empty()) { 872 Res.push_back("-target-linker-version"); 873 Res.push_back(Opts.LinkerVersion); 874 } 875 if (!Opts.CXXABI.empty()) { 876 Res.push_back("-cxx-abi"); 877 Res.push_back(Opts.CXXABI); 878 } 879 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 880 Res.push_back("-target-feature"); 881 Res.push_back(Opts.Features[i]); 882 } 883 } 884 885 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 886 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 887 CodeGenOptsToArgs(getCodeGenOpts(), Res); 888 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 889 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 890 FileSystemOptsToArgs(getFileSystemOpts(), Res); 891 FrontendOptsToArgs(getFrontendOpts(), Res); 892 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 893 LangOptsToArgs(getLangOpts(), Res); 894 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 895 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 896 TargetOptsToArgs(getTargetOpts(), Res); 897 } 898 899 //===----------------------------------------------------------------------===// 900 // Deserialization (to args) 901 //===----------------------------------------------------------------------===// 902 903 using namespace clang::driver; 904 using namespace clang::driver::cc1options; 905 906 // 907 908 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 909 DiagnosticsEngine &Diags) { 910 unsigned DefaultOpt = 0; 911 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 912 DefaultOpt = 2; 913 // -Os/-Oz implies -O2 914 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 915 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 916 } 917 918 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 919 DiagnosticsEngine &Diags) { 920 using namespace cc1options; 921 922 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 923 StringRef Name = A->getValue(Args); 924 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 925 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 926 .Case(CMDFLAG, NAME##Model) 927 #include "clang/Frontend/Analyses.def" 928 .Default(NumStores); 929 // FIXME: Error handling. 930 if (Value == NumStores) 931 Diags.Report(diag::err_drv_invalid_value) 932 << A->getAsString(Args) << Name; 933 else 934 Opts.AnalysisStoreOpt = Value; 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 // FIXME: Error handling. 945 if (Value == NumConstraints) 946 Diags.Report(diag::err_drv_invalid_value) 947 << A->getAsString(Args) << Name; 948 else 949 Opts.AnalysisConstraintsOpt = Value; 950 } 951 952 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 953 StringRef Name = A->getValue(Args); 954 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 955 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 956 .Case(CMDFLAG, PD_##NAME) 957 #include "clang/Frontend/Analyses.def" 958 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 959 // FIXME: Error handling. 960 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 961 Diags.Report(diag::err_drv_invalid_value) 962 << A->getAsString(Args) << Name; 963 else 964 Opts.AnalysisDiagOpt = Value; 965 } 966 967 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 968 StringRef Name = A->getValue(Args); 969 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 970 #define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 971 .Case(CMDFLAG, NAME) 972 #include "clang/Frontend/Analyses.def" 973 .Default(NumPurgeModes); 974 // FIXME: Error handling. 975 if (Value == NumPurgeModes) 976 Diags.Report(diag::err_drv_invalid_value) 977 << A->getAsString(Args) << Name; 978 else 979 Opts.AnalysisPurgeOpt = Value; 980 } 981 982 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 983 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 984 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 985 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 986 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 987 Opts.AnalyzeNestedBlocks = 988 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 989 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 990 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 991 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 992 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 993 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 994 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 995 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 996 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 997 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 998 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 999 1000 Opts.CheckersControlList.clear(); 1001 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1002 OPT_analyzer_disable_checker), 1003 ie = Args.filtered_end(); it != ie; ++it) { 1004 const Arg *A = *it; 1005 A->claim(); 1006 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1007 // We can have a list of comma separated checker names, e.g: 1008 // '-analyzer-checker=cocoa,unix' 1009 StringRef checkerList = A->getValue(Args); 1010 SmallVector<StringRef, 4> checkers; 1011 checkerList.split(checkers, ","); 1012 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1013 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1014 } 1015 } 1016 1017 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1018 DiagnosticsEngine &Diags) { 1019 using namespace cc1options; 1020 1021 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 1022 if (Opts.OptimizationLevel > 3) { 1023 Diags.Report(diag::err_drv_invalid_value) 1024 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 1025 Opts.OptimizationLevel = 3; 1026 } 1027 1028 // We must always run at least the always inlining pass. 1029 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1030 : CodeGenOptions::OnlyAlwaysInlining; 1031 1032 Opts.DebugInfo = Args.hasArg(OPT_g); 1033 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1034 || Args.hasArg(OPT_flimit_debug_info); 1035 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1036 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1037 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1038 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1039 OPT_fuse_register_sized_bitfield_access); 1040 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1041 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1042 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1043 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1044 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1045 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1046 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1047 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1048 Args.hasArg(OPT_ffreestanding)); 1049 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1050 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1051 1052 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1053 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1054 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1055 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1056 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1057 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1058 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1059 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1060 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1061 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1062 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1063 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1064 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1065 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1066 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 1067 Args.hasArg(OPT_cl_fast_relaxed_math); 1068 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1069 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1070 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1071 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1072 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1073 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1074 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1075 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1076 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1077 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1078 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1079 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1080 Args.hasArg(OPT_cl_fast_relaxed_math); 1081 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1082 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1083 1084 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1085 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1086 1087 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1088 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1089 1090 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1091 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1092 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1093 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1094 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1095 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1096 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1097 1098 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1099 StringRef Name = A->getValue(Args); 1100 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1101 .Case("legacy", CodeGenOptions::Legacy) 1102 .Case("non-legacy", CodeGenOptions::NonLegacy) 1103 .Case("mixed", CodeGenOptions::Mixed) 1104 .Default(~0U); 1105 if (Method == ~0U) 1106 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1107 else 1108 Opts.ObjCDispatchMethod = Method; 1109 } 1110 } 1111 1112 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1113 ArgList &Args) { 1114 using namespace cc1options; 1115 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1116 Opts.Targets = Args.getAllArgValues(OPT_MT); 1117 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1118 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1119 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1120 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1121 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1122 } 1123 1124 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1125 DiagnosticsEngine &Diags) { 1126 using namespace cc1options; 1127 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1128 Opts.DiagnosticSerializationFile = 1129 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1130 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1131 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1132 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1133 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1134 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1135 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1136 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1137 OPT_fno_show_column, 1138 /*Default=*/true); 1139 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1140 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1141 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1142 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1143 1144 // Default behavior is to not to show note include stacks. 1145 Opts.ShowNoteIncludeStack = false; 1146 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1147 OPT_fno_diagnostics_show_note_include_stack)) 1148 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1149 Opts.ShowNoteIncludeStack = true; 1150 1151 StringRef ShowOverloads = 1152 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1153 if (ShowOverloads == "best") 1154 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1155 else if (ShowOverloads == "all") 1156 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1157 else 1158 Diags.Report(diag::err_drv_invalid_value) 1159 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1160 << ShowOverloads; 1161 1162 StringRef ShowCategory = 1163 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1164 if (ShowCategory == "none") 1165 Opts.ShowCategories = 0; 1166 else if (ShowCategory == "id") 1167 Opts.ShowCategories = 1; 1168 else if (ShowCategory == "name") 1169 Opts.ShowCategories = 2; 1170 else 1171 Diags.Report(diag::err_drv_invalid_value) 1172 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1173 << ShowCategory; 1174 1175 StringRef Format = 1176 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1177 if (Format == "clang") 1178 Opts.Format = DiagnosticOptions::Clang; 1179 else if (Format == "msvc") 1180 Opts.Format = DiagnosticOptions::Msvc; 1181 else if (Format == "vi") 1182 Opts.Format = DiagnosticOptions::Vi; 1183 else 1184 Diags.Report(diag::err_drv_invalid_value) 1185 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1186 << Format; 1187 1188 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1189 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1190 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1191 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1192 Opts.MacroBacktraceLimit 1193 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1194 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1195 Opts.TemplateBacktraceLimit 1196 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1197 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1198 Diags); 1199 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1200 DiagnosticOptions::DefaultTabStop, Diags); 1201 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1202 Diags.Report(diag::warn_ignoring_ftabstop_value) 1203 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1204 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1205 } 1206 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1207 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1208 Opts.Warnings = Args.getAllArgValues(OPT_W); 1209 } 1210 1211 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1212 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1213 } 1214 1215 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1216 DiagnosticsEngine &Diags) { 1217 using namespace cc1options; 1218 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1219 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1220 switch (A->getOption().getID()) { 1221 default: 1222 llvm_unreachable("Invalid option in group!"); 1223 case OPT_ast_dump: 1224 Opts.ProgramAction = frontend::ASTDump; break; 1225 case OPT_ast_dump_xml: 1226 Opts.ProgramAction = frontend::ASTDumpXML; break; 1227 case OPT_ast_print: 1228 Opts.ProgramAction = frontend::ASTPrint; break; 1229 case OPT_ast_view: 1230 Opts.ProgramAction = frontend::ASTView; break; 1231 case OPT_dump_raw_tokens: 1232 Opts.ProgramAction = frontend::DumpRawTokens; break; 1233 case OPT_dump_tokens: 1234 Opts.ProgramAction = frontend::DumpTokens; break; 1235 case OPT_S: 1236 Opts.ProgramAction = frontend::EmitAssembly; break; 1237 case OPT_emit_llvm_bc: 1238 Opts.ProgramAction = frontend::EmitBC; break; 1239 case OPT_emit_html: 1240 Opts.ProgramAction = frontend::EmitHTML; break; 1241 case OPT_emit_llvm: 1242 Opts.ProgramAction = frontend::EmitLLVM; break; 1243 case OPT_emit_llvm_only: 1244 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1245 case OPT_emit_codegen_only: 1246 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1247 case OPT_emit_obj: 1248 Opts.ProgramAction = frontend::EmitObj; break; 1249 case OPT_fixit_EQ: 1250 Opts.FixItSuffix = A->getValue(Args); 1251 // fall-through! 1252 case OPT_fixit: 1253 Opts.ProgramAction = frontend::FixIt; break; 1254 case OPT_emit_module: 1255 Opts.ProgramAction = frontend::GenerateModule; break; 1256 case OPT_emit_module_from_map: 1257 Opts.ProgramAction = frontend::GenerateModuleFromMap; break; 1258 case OPT_emit_pch: 1259 Opts.ProgramAction = frontend::GeneratePCH; break; 1260 case OPT_emit_pth: 1261 Opts.ProgramAction = frontend::GeneratePTH; break; 1262 case OPT_init_only: 1263 Opts.ProgramAction = frontend::InitOnly; break; 1264 case OPT_fsyntax_only: 1265 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1266 case OPT_print_decl_contexts: 1267 Opts.ProgramAction = frontend::PrintDeclContext; break; 1268 case OPT_print_preamble: 1269 Opts.ProgramAction = frontend::PrintPreamble; break; 1270 case OPT_E: 1271 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1272 case OPT_rewrite_macros: 1273 Opts.ProgramAction = frontend::RewriteMacros; break; 1274 case OPT_rewrite_objc: 1275 Opts.ProgramAction = frontend::RewriteObjC; break; 1276 case OPT_rewrite_test: 1277 Opts.ProgramAction = frontend::RewriteTest; break; 1278 case OPT_analyze: 1279 Opts.ProgramAction = frontend::RunAnalysis; break; 1280 case OPT_Eonly: 1281 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1282 } 1283 } 1284 1285 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1286 Opts.Plugins.push_back(A->getValue(Args,0)); 1287 Opts.ProgramAction = frontend::PluginAction; 1288 Opts.ActionName = A->getValue(Args); 1289 1290 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1291 end = Args.filtered_end(); it != end; ++it) { 1292 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1293 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1294 } 1295 } 1296 1297 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1298 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1299 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1300 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1301 end = Args.filtered_end(); it != end; ++it) { 1302 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1303 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1304 } 1305 } 1306 1307 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1308 Opts.CodeCompletionAt = 1309 ParsedSourceLocation::FromString(A->getValue(Args)); 1310 if (Opts.CodeCompletionAt.FileName.empty()) 1311 Diags.Report(diag::err_drv_invalid_value) 1312 << A->getAsString(Args) << A->getValue(Args); 1313 } 1314 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1315 1316 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1317 Opts.Plugins = Args.getAllArgValues(OPT_load); 1318 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1319 Opts.ShowHelp = Args.hasArg(OPT_help); 1320 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1321 Opts.ShowCodePatternsInCodeCompletion 1322 = Args.hasArg(OPT_code_completion_patterns); 1323 Opts.ShowGlobalSymbolsInCodeCompletion 1324 = !Args.hasArg(OPT_no_code_completion_globals); 1325 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1326 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1327 Opts.ShowVersion = Args.hasArg(OPT_version); 1328 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1329 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1330 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1331 1332 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1333 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1334 OPT_arcmt_modify, 1335 OPT_arcmt_migrate)) { 1336 switch (A->getOption().getID()) { 1337 default: 1338 llvm_unreachable("missed a case"); 1339 case OPT_arcmt_check: 1340 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1341 break; 1342 case OPT_arcmt_modify: 1343 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1344 break; 1345 case OPT_arcmt_migrate: 1346 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1347 break; 1348 } 1349 } 1350 Opts.ARCMTMigrateDir = Args.getLastArgValue(OPT_arcmt_migrate_directory); 1351 Opts.ARCMTMigrateReportOut 1352 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1353 Opts.ARCMTMigrateEmitARCErrors 1354 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1355 1356 InputKind DashX = IK_None; 1357 if (const Arg *A = Args.getLastArg(OPT_x)) { 1358 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1359 .Case("c", IK_C) 1360 .Case("cl", IK_OpenCL) 1361 .Case("cuda", IK_CUDA) 1362 .Case("c++", IK_CXX) 1363 .Case("objective-c", IK_ObjC) 1364 .Case("objective-c++", IK_ObjCXX) 1365 .Case("cpp-output", IK_PreprocessedC) 1366 .Case("assembler-with-cpp", IK_Asm) 1367 .Case("c++-cpp-output", IK_PreprocessedCXX) 1368 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1369 .Case("objc-cpp-output", IK_PreprocessedObjC) 1370 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1371 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1372 .Case("c-header", IK_C) 1373 .Case("cl-header", IK_OpenCL) 1374 .Case("objective-c-header", IK_ObjC) 1375 .Case("c++-header", IK_CXX) 1376 .Case("objective-c++-header", IK_ObjCXX) 1377 .Case("ast", IK_AST) 1378 .Case("ir", IK_LLVM_IR) 1379 .Default(IK_None); 1380 if (DashX == IK_None) 1381 Diags.Report(diag::err_drv_invalid_value) 1382 << A->getAsString(Args) << A->getValue(Args); 1383 } 1384 1385 // '-' is the default input if none is given. 1386 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1387 Opts.Inputs.clear(); 1388 if (Inputs.empty()) 1389 Inputs.push_back("-"); 1390 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1391 InputKind IK = DashX; 1392 if (IK == IK_None) { 1393 IK = FrontendOptions::getInputKindForExtension( 1394 StringRef(Inputs[i]).rsplit('.').second); 1395 // FIXME: Remove this hack. 1396 if (i == 0) 1397 DashX = IK; 1398 } 1399 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1400 } 1401 1402 return DashX; 1403 } 1404 1405 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1406 void *MainAddr) { 1407 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1408 1409 if (!P.isEmpty()) { 1410 P.eraseComponent(); // Remove /clang from foo/bin/clang 1411 P.eraseComponent(); // Remove /bin from foo/bin 1412 1413 // Get foo/lib/clang/<version>/include 1414 P.appendComponent("lib"); 1415 P.appendComponent("clang"); 1416 P.appendComponent(CLANG_VERSION_STRING); 1417 } 1418 1419 return P.str(); 1420 } 1421 1422 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1423 using namespace cc1options; 1424 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1425 Opts.Verbose = Args.hasArg(OPT_v); 1426 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1427 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1428 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1429 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1430 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1431 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1432 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1433 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1434 1435 // Add -I..., -F..., and -index-header-map options in order. 1436 bool IsIndexHeaderMap = false; 1437 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1438 OPT_index_header_map), 1439 ie = Args.filtered_end(); it != ie; ++it) { 1440 if ((*it)->getOption().matches(OPT_index_header_map)) { 1441 // -index-header-map applies to the next -I or -F. 1442 IsIndexHeaderMap = true; 1443 continue; 1444 } 1445 1446 frontend::IncludeDirGroup Group 1447 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1448 1449 Opts.AddPath((*it)->getValue(Args), Group, true, 1450 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1451 IsIndexHeaderMap = false; 1452 } 1453 1454 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1455 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1456 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1457 OPT_iwithprefixbefore), 1458 ie = Args.filtered_end(); it != ie; ++it) { 1459 const Arg *A = *it; 1460 if (A->getOption().matches(OPT_iprefix)) 1461 Prefix = A->getValue(Args); 1462 else if (A->getOption().matches(OPT_iwithprefix)) 1463 Opts.AddPath(Prefix.str() + A->getValue(Args), 1464 frontend::System, false, false, false); 1465 else 1466 Opts.AddPath(Prefix.str() + A->getValue(Args), 1467 frontend::Angled, false, false, false); 1468 } 1469 1470 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1471 ie = Args.filtered_end(); it != ie; ++it) 1472 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1473 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1474 ie = Args.filtered_end(); it != ie; ++it) 1475 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1476 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1477 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1478 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1479 !(*it)->getOption().matches(OPT_iwithsysroot)); 1480 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1481 ie = Args.filtered_end(); it != ie; ++it) 1482 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1483 true); 1484 1485 // Add the paths for the various language specific isystem flags. 1486 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1487 ie = Args.filtered_end(); it != ie; ++it) 1488 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1489 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1490 ie = Args.filtered_end(); it != ie; ++it) 1491 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1492 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1493 ie = Args.filtered_end(); it != ie; ++it) 1494 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1495 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1496 ie = Args.filtered_end(); it != ie; ++it) 1497 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1498 true); 1499 1500 // Add the internal paths from a driver that detects standard include paths. 1501 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1502 OPT_internal_externc_isystem), 1503 E = Args.filtered_end(); 1504 I != E; ++I) 1505 Opts.AddPath((*I)->getValue(Args), frontend::System, 1506 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1507 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1508 } 1509 1510 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1511 LangStandard::Kind LangStd) { 1512 // Set some properties which depend solely on the input kind; it would be nice 1513 // to move these to the language standard, and have the driver resolve the 1514 // input kind + language standard. 1515 if (IK == IK_Asm) { 1516 Opts.AsmPreprocessor = 1; 1517 } else if (IK == IK_ObjC || 1518 IK == IK_ObjCXX || 1519 IK == IK_PreprocessedObjC || 1520 IK == IK_PreprocessedObjCXX) { 1521 Opts.ObjC1 = Opts.ObjC2 = 1; 1522 } 1523 1524 if (LangStd == LangStandard::lang_unspecified) { 1525 // Based on the base language, pick one. 1526 switch (IK) { 1527 case IK_None: 1528 case IK_AST: 1529 case IK_LLVM_IR: 1530 llvm_unreachable("Invalid input kind!"); 1531 case IK_OpenCL: 1532 LangStd = LangStandard::lang_opencl; 1533 break; 1534 case IK_CUDA: 1535 LangStd = LangStandard::lang_cuda; 1536 break; 1537 case IK_Asm: 1538 case IK_C: 1539 case IK_PreprocessedC: 1540 case IK_ObjC: 1541 case IK_PreprocessedObjC: 1542 LangStd = LangStandard::lang_gnu99; 1543 break; 1544 case IK_CXX: 1545 case IK_PreprocessedCXX: 1546 case IK_ObjCXX: 1547 case IK_PreprocessedObjCXX: 1548 LangStd = LangStandard::lang_gnucxx98; 1549 break; 1550 } 1551 } 1552 1553 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1554 Opts.BCPLComment = Std.hasBCPLComments(); 1555 Opts.C99 = Std.isC99(); 1556 Opts.C1X = Std.isC1X(); 1557 Opts.CPlusPlus = Std.isCPlusPlus(); 1558 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1559 Opts.Digraphs = Std.hasDigraphs(); 1560 Opts.GNUMode = Std.isGNUMode(); 1561 Opts.GNUInline = !Std.isC99(); 1562 Opts.HexFloats = Std.hasHexFloats(); 1563 Opts.ImplicitInt = Std.hasImplicitInt(); 1564 1565 // OpenCL has some additional defaults. 1566 if (LangStd == LangStandard::lang_opencl) { 1567 Opts.OpenCL = 1; 1568 Opts.AltiVec = 0; 1569 Opts.CXXOperatorNames = 1; 1570 Opts.LaxVectorConversions = 0; 1571 Opts.DefaultFPContract = 1; 1572 } 1573 1574 if (LangStd == LangStandard::lang_cuda) 1575 Opts.CUDA = 1; 1576 1577 // OpenCL and C++ both have bool, true, false keywords. 1578 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1579 1580 Opts.GNUKeywords = Opts.GNUMode; 1581 Opts.CXXOperatorNames = Opts.CPlusPlus; 1582 1583 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1584 // is specified, or -std is set to a conforming mode. 1585 Opts.Trigraphs = !Opts.GNUMode; 1586 1587 Opts.DollarIdents = !Opts.AsmPreprocessor; 1588 } 1589 1590 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1591 DiagnosticsEngine &Diags) { 1592 // FIXME: Cleanup per-file based stuff. 1593 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1594 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1595 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1596 #define LANGSTANDARD(id, name, desc, features) \ 1597 .Case(name, LangStandard::lang_##id) 1598 #include "clang/Frontend/LangStandards.def" 1599 .Default(LangStandard::lang_unspecified); 1600 if (LangStd == LangStandard::lang_unspecified) 1601 Diags.Report(diag::err_drv_invalid_value) 1602 << A->getAsString(Args) << A->getValue(Args); 1603 else { 1604 // Valid standard, check to make sure language and standard are compatable. 1605 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1606 switch (IK) { 1607 case IK_C: 1608 case IK_ObjC: 1609 case IK_PreprocessedC: 1610 case IK_PreprocessedObjC: 1611 if (!(Std.isC89() || Std.isC99())) 1612 Diags.Report(diag::err_drv_argument_not_allowed_with) 1613 << A->getAsString(Args) << "C/ObjC"; 1614 break; 1615 case IK_CXX: 1616 case IK_ObjCXX: 1617 case IK_PreprocessedCXX: 1618 case IK_PreprocessedObjCXX: 1619 if (!Std.isCPlusPlus()) 1620 Diags.Report(diag::err_drv_argument_not_allowed_with) 1621 << A->getAsString(Args) << "C++/ObjC++"; 1622 break; 1623 case IK_OpenCL: 1624 if (!Std.isC99()) 1625 Diags.Report(diag::err_drv_argument_not_allowed_with) 1626 << A->getAsString(Args) << "OpenCL"; 1627 break; 1628 case IK_CUDA: 1629 if (!Std.isCPlusPlus()) 1630 Diags.Report(diag::err_drv_argument_not_allowed_with) 1631 << A->getAsString(Args) << "CUDA"; 1632 break; 1633 default: 1634 break; 1635 } 1636 } 1637 } 1638 1639 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1640 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1641 Diags.Report(diag::err_drv_invalid_value) 1642 << A->getAsString(Args) << A->getValue(Args); 1643 } 1644 } 1645 1646 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1647 1648 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1649 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1650 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1651 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1652 // name, as it doesn't seem a useful distinction. 1653 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1654 Opts.GNUKeywords); 1655 1656 if (Args.hasArg(OPT_fno_operator_names)) 1657 Opts.CXXOperatorNames = 0; 1658 1659 if (Opts.ObjC1) { 1660 if (Args.hasArg(OPT_fobjc_gc_only)) 1661 Opts.setGC(LangOptions::GCOnly); 1662 else if (Args.hasArg(OPT_fobjc_gc)) 1663 Opts.setGC(LangOptions::HybridGC); 1664 else if (Args.hasArg(OPT_fobjc_arc)) { 1665 Opts.ObjCAutoRefCount = 1; 1666 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1667 Diags.Report(diag::err_arc_nonfragile_abi); 1668 } 1669 1670 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1671 Opts.ObjCRuntimeHasWeak = 1; 1672 1673 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1674 Opts.ObjCInferRelatedResultType = 0; 1675 } 1676 1677 if (Args.hasArg(OPT_fgnu89_inline)) 1678 Opts.GNUInline = 1; 1679 1680 if (Args.hasArg(OPT_fapple_kext)) { 1681 if (!Opts.CPlusPlus) 1682 Diags.Report(diag::warn_c_kext); 1683 else 1684 Opts.AppleKext = 1; 1685 } 1686 1687 if (Args.hasArg(OPT_print_ivar_layout)) 1688 Opts.ObjCGCBitmapPrint = 1; 1689 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1690 Opts.NoConstantCFStrings = 1; 1691 1692 if (Args.hasArg(OPT_faltivec)) 1693 Opts.AltiVec = 1; 1694 1695 if (Args.hasArg(OPT_pthread)) 1696 Opts.POSIXThreads = 1; 1697 1698 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1699 Opts.DelayedTemplateParsing = 1; 1700 1701 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1702 if (Vis == "default") 1703 Opts.setVisibilityMode(DefaultVisibility); 1704 else if (Vis == "hidden") 1705 Opts.setVisibilityMode(HiddenVisibility); 1706 else if (Vis == "protected") 1707 Opts.setVisibilityMode(ProtectedVisibility); 1708 else 1709 Diags.Report(diag::err_drv_invalid_value) 1710 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1711 1712 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1713 Opts.InlineVisibilityHidden = 1; 1714 1715 if (Args.hasArg(OPT_ftrapv)) { 1716 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1717 // Set the handler, if one is specified. 1718 Opts.OverflowHandler = 1719 Args.getLastArgValue(OPT_ftrapv_handler); 1720 } 1721 else if (Args.hasArg(OPT_fwrapv)) 1722 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1723 1724 if (Args.hasArg(OPT_trigraphs)) 1725 Opts.Trigraphs = 1; 1726 1727 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1728 OPT_fno_dollars_in_identifiers, 1729 Opts.DollarIdents); 1730 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1731 Opts.MicrosoftExt 1732 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1733 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1734 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1735 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1736 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1737 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1738 Opts.ConstStrings); 1739 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1740 Opts.LaxVectorConversions = 0; 1741 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1742 Opts.ThreadsafeStatics = 0; 1743 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1744 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1745 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1746 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1747 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1748 1749 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1750 Opts.Blocks = Args.hasArg(OPT_fblocks); 1751 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1752 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1753 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1754 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1755 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1756 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1757 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1758 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1759 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1760 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1761 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1762 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1763 Diags); 1764 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1765 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1766 0, Diags); 1767 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1768 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1769 Opts.ObjCConstantStringClass = 1770 Args.getLastArgValue(OPT_fconstant_string_class); 1771 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1772 if (Opts.ObjCNonFragileABI) 1773 Opts.ObjCNonFragileABI2 = true; 1774 Opts.ObjCDefaultSynthProperties = 1775 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1776 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1777 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1778 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1779 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1780 Opts.Static = Args.hasArg(OPT_static_define); 1781 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1782 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1783 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1784 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1785 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1786 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1787 Opts.OptimizeSize = 0; 1788 Opts.MRTD = Args.hasArg(OPT_mrtd); 1789 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1790 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1791 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1792 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1793 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1794 1795 // Record whether the __DEPRECATED define was requested. 1796 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1797 OPT_fno_deprecated_macro, 1798 Opts.Deprecated); 1799 1800 // FIXME: Eliminate this dependency. 1801 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1802 Opts.Optimize = Opt != 0; 1803 1804 // This is the __NO_INLINE__ define, which just depends on things like the 1805 // optimization level and -fno-inline, not actually whether the backend has 1806 // inlining enabled. 1807 // 1808 // FIXME: This is affected by other options (-fno-inline). 1809 Opts.NoInline = !Opt; 1810 1811 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1812 switch (SSP) { 1813 default: 1814 Diags.Report(diag::err_drv_invalid_value) 1815 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1816 break; 1817 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1818 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1819 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1820 } 1821 } 1822 1823 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1824 FileManager &FileMgr, 1825 DiagnosticsEngine &Diags) { 1826 using namespace cc1options; 1827 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1828 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1829 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1830 Opts.TokenCache = A->getValue(Args); 1831 else 1832 Opts.TokenCache = Opts.ImplicitPTHInclude; 1833 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1834 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1835 Opts.AutoModuleImport = Args.hasArg(OPT_fauto_module_import); 1836 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1837 1838 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1839 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1840 ie = Args.filtered_end(); it != ie; ++it) { 1841 const Arg *A = *it; 1842 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1843 } 1844 1845 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1846 StringRef Value(A->getValue(Args)); 1847 size_t Comma = Value.find(','); 1848 unsigned Bytes = 0; 1849 unsigned EndOfLine = 0; 1850 1851 if (Comma == StringRef::npos || 1852 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1853 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1854 Diags.Report(diag::err_drv_preamble_format); 1855 else { 1856 Opts.PrecompiledPreambleBytes.first = Bytes; 1857 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1858 } 1859 } 1860 1861 // Add macros from the command line. 1862 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1863 ie = Args.filtered_end(); it != ie; ++it) { 1864 if ((*it)->getOption().matches(OPT_D)) 1865 Opts.addMacroDef((*it)->getValue(Args)); 1866 else 1867 Opts.addMacroUndef((*it)->getValue(Args)); 1868 } 1869 1870 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1871 1872 // Add the ordered list of -includes. 1873 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1874 OPT_include_pth), 1875 ie = Args.filtered_end(); it != ie; ++it) { 1876 const Arg *A = *it; 1877 // PCH is handled specially, we need to extra the original include path. 1878 if (A->getOption().matches(OPT_include_pch)) { 1879 std::string OriginalFile = 1880 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1881 if (OriginalFile.empty()) 1882 continue; 1883 1884 Opts.Includes.push_back(OriginalFile); 1885 } else 1886 Opts.Includes.push_back(A->getValue(Args)); 1887 } 1888 1889 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1890 ie = Args.filtered_end(); it != ie; ++it) { 1891 const Arg *A = *it; 1892 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1893 } 1894 1895 // Include 'altivec.h' if -faltivec option present 1896 if (Args.hasArg(OPT_faltivec)) 1897 Opts.Includes.push_back("altivec.h"); 1898 1899 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1900 ie = Args.filtered_end(); it != ie; ++it) { 1901 const Arg *A = *it; 1902 std::pair<StringRef,StringRef> Split = 1903 StringRef(A->getValue(Args)).split(';'); 1904 1905 if (Split.second.empty()) { 1906 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1907 continue; 1908 } 1909 1910 Opts.addRemappedFile(Split.first, Split.second); 1911 } 1912 1913 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1914 StringRef Name = A->getValue(Args); 1915 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1916 .Case("libc++", ARCXX_libcxx) 1917 .Case("libstdc++", ARCXX_libstdcxx) 1918 .Case("none", ARCXX_nolib) 1919 .Default(~0U); 1920 if (Library == ~0U) 1921 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1922 else 1923 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1924 } 1925 } 1926 1927 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1928 ArgList &Args) { 1929 using namespace cc1options; 1930 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1931 Opts.ShowComments = Args.hasArg(OPT_C); 1932 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1933 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1934 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1935 } 1936 1937 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1938 using namespace cc1options; 1939 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1940 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1941 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1942 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1943 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1944 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1945 1946 // Use the default target triple if unspecified. 1947 if (Opts.Triple.empty()) 1948 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 1949 } 1950 1951 // 1952 1953 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1954 const char *const *ArgBegin, 1955 const char *const *ArgEnd, 1956 DiagnosticsEngine &Diags) { 1957 // Parse the arguments. 1958 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1959 unsigned MissingArgIndex, MissingArgCount; 1960 llvm::OwningPtr<InputArgList> Args( 1961 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1962 1963 // Check for missing argument error. 1964 if (MissingArgCount) 1965 Diags.Report(diag::err_drv_missing_argument) 1966 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1967 1968 // Issue errors on unknown arguments. 1969 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1970 ie = Args->filtered_end(); it != ie; ++it) 1971 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1972 1973 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1974 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1975 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1976 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1977 // FIXME: We shouldn't have to pass the DashX option around here 1978 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1979 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1980 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1981 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1982 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1983 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1984 Res.getLangOpts().ObjCExceptions = 1; 1985 } 1986 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1987 // PCH file and find the original header name. Remove the need to do that in 1988 // ParsePreprocessorArgs and remove the FileManager 1989 // parameters from the function and the "FileManager.h" #include. 1990 FileManager FileMgr(Res.getFileSystemOpts()); 1991 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1992 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1993 ParseTargetArgs(Res.getTargetOpts(), *Args); 1994 } 1995 1996 namespace { 1997 1998 class ModuleSignature { 1999 llvm::SmallVector<uint64_t, 16> Data; 2000 unsigned CurBit; 2001 uint64_t CurValue; 2002 2003 public: 2004 ModuleSignature() : CurBit(0), CurValue(0) { } 2005 2006 void add(uint64_t Value, unsigned Bits); 2007 void add(StringRef Value); 2008 void flush(); 2009 2010 llvm::APInt getAsInteger() const; 2011 }; 2012 } 2013 2014 void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2015 CurValue |= Value << CurBit; 2016 if (CurBit + NumBits < 64) { 2017 CurBit += NumBits; 2018 return; 2019 } 2020 2021 // Add the current word. 2022 Data.push_back(CurValue); 2023 2024 if (CurBit) 2025 CurValue = Value >> (64-CurBit); 2026 else 2027 CurValue = 0; 2028 CurBit = (CurBit+NumBits) & 63; 2029 } 2030 2031 void ModuleSignature::flush() { 2032 if (CurBit == 0) 2033 return; 2034 2035 Data.push_back(CurValue); 2036 CurBit = 0; 2037 CurValue = 0; 2038 } 2039 2040 void ModuleSignature::add(StringRef Value) { 2041 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2042 add(*I, 8); 2043 } 2044 2045 llvm::APInt ModuleSignature::getAsInteger() const { 2046 return llvm::APInt(Data.size() * 64, Data); 2047 } 2048 2049 std::string CompilerInvocation::getModuleHash() const { 2050 ModuleSignature Signature; 2051 2052 // Start the signature with the compiler version. 2053 Signature.add(getClangFullRepositoryVersion()); 2054 2055 // Extend the signature with the language options 2056 #define LANGOPT(Name, Bits, Default, Description) \ 2057 Signature.add(LangOpts.Name, Bits); 2058 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2059 Signature.add(static_cast<unsigned>(LangOpts.get##Name()), Bits); 2060 #define BENIGN_LANGOPT(Name, Bits, Default, Description) 2061 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2062 #include "clang/Basic/LangOptions.def" 2063 2064 // Extend the signature with the target triple 2065 llvm::Triple T(TargetOpts.Triple); 2066 Signature.add((unsigned)T.getArch(), 5); 2067 Signature.add((unsigned)T.getVendor(), 4); 2068 Signature.add((unsigned)T.getOS(), 5); 2069 Signature.add((unsigned)T.getEnvironment(), 4); 2070 2071 // Extend the signature with preprocessor options. 2072 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2073 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2074 2075 // Hash the preprocessor defines. 2076 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2077 std::vector<StringRef> MacroDefs; 2078 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2079 I = getPreprocessorOpts().Macros.begin(), 2080 IEnd = getPreprocessorOpts().Macros.end(); 2081 I != IEnd; ++I) { 2082 if (!I->second) 2083 MacroDefs.push_back(I->first); 2084 } 2085 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2086 2087 unsigned PPHashResult = 0; 2088 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2089 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2090 Signature.add(PPHashResult, 32); 2091 2092 // We've generated the signature. Treat it as one large APInt that we'll 2093 // encode in base-36 and return. 2094 Signature.flush(); 2095 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2096 } 2097