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