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 *getAnalysisName(Analyses Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis kind!"); 37 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 38 case NAME: return "-" CMDFLAG; 39 #include "clang/Frontend/Analyses.def" 40 } 41 } 42 43 static const char *getAnalysisStoreName(AnalysisStores Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis store!"); 47 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49 #include "clang/Frontend/Analyses.def" 50 } 51 } 52 53 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis constraints!"); 57 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 58 case NAME##Model: return CMDFLAG; 59 #include "clang/Frontend/Analyses.def" 60 } 61 } 62 63 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 64 switch (Kind) { 65 default: 66 llvm_unreachable("Unknown analysis client!"); 67 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 68 case PD_##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 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 80 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 81 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 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.AnalyzeSpecificFunction.empty()) { 94 Res.push_back("-analyze-function"); 95 Res.push_back(Opts.AnalyzeSpecificFunction); 96 } 97 if (Opts.AnalyzeAll) 98 Res.push_back("-analyzer-opt-analyze-headers"); 99 if (Opts.AnalyzerDisplayProgress) 100 Res.push_back("-analyzer-display-progress"); 101 if (Opts.AnalyzeNestedBlocks) 102 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 103 if (Opts.AnalyzerStats) 104 Res.push_back("-analyzer-stats"); 105 if (Opts.EagerlyAssume) 106 Res.push_back("-analyzer-eagerly-assume"); 107 if (!Opts.PurgeDead) 108 Res.push_back("-analyzer-no-purge-dead"); 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.VisualizeEGDot) 114 Res.push_back("-analyzer-viz-egraph-ubigraph"); 115 if (Opts.EnableExperimentalChecks) 116 Res.push_back("-analyzer-experimental-checks"); 117 if (Opts.EnableExperimentalInternalChecks) 118 Res.push_back("-analyzer-experimental-internal-checks"); 119 if (Opts.IdempotentOps) 120 Res.push_back("-analyzer-check-idempotent-operations"); 121 if (Opts.ObjCSelfInitCheck) 122 Res.push_back("-analyzer-check-objc-self-init"); 123 if (Opts.BufferOverflows) 124 Res.push_back("-analyzer-check-buffer-overflows"); 125 } 126 127 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 128 std::vector<std::string> &Res) { 129 if (Opts.DebugInfo) 130 Res.push_back("-g"); 131 if (Opts.DisableLLVMOpts) 132 Res.push_back("-disable-llvm-optzns"); 133 if (Opts.DisableRedZone) 134 Res.push_back("-disable-red-zone"); 135 if (!Opts.DwarfDebugFlags.empty()) { 136 Res.push_back("-dwarf-debug-flags"); 137 Res.push_back(Opts.DwarfDebugFlags); 138 } 139 if (!Opts.MergeAllConstants) 140 Res.push_back("-fno-merge-all-constants"); 141 if (Opts.NoCommon) 142 Res.push_back("-fno-common"); 143 if (Opts.NoImplicitFloat) 144 Res.push_back("-no-implicit-float"); 145 if (Opts.OmitLeafFramePointer) 146 Res.push_back("-momit-leaf-frame-pointer"); 147 if (Opts.OptimizeSize) { 148 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 149 Res.push_back("-Os"); 150 } else if (Opts.OptimizationLevel != 0) 151 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 152 if (!Opts.MainFileName.empty()) { 153 Res.push_back("-main-file-name"); 154 Res.push_back(Opts.MainFileName); 155 } 156 // SimplifyLibCalls is only derived. 157 // TimePasses is only derived. 158 // UnitAtATime is unused. 159 // Inlining is only derived. 160 161 // UnrollLoops is derived, but also accepts an option, no 162 // harm in pushing it back here. 163 if (Opts.UnrollLoops) 164 Res.push_back("-funroll-loops"); 165 if (Opts.DataSections) 166 Res.push_back("-fdata-sections"); 167 if (Opts.FunctionSections) 168 Res.push_back("-ffunction-sections"); 169 if (Opts.AsmVerbose) 170 Res.push_back("-masm-verbose"); 171 if (!Opts.CodeModel.empty()) { 172 Res.push_back("-mcode-model"); 173 Res.push_back(Opts.CodeModel); 174 } 175 if (!Opts.CXAAtExit) 176 Res.push_back("-fno-use-cxa-atexit"); 177 if (Opts.CXXCtorDtorAliases) 178 Res.push_back("-mconstructor-aliases"); 179 if (!Opts.DebugPass.empty()) { 180 Res.push_back("-mdebug-pass"); 181 Res.push_back(Opts.DebugPass); 182 } 183 if (Opts.DisableFPElim) 184 Res.push_back("-mdisable-fp-elim"); 185 if (!Opts.FloatABI.empty()) { 186 Res.push_back("-mfloat-abi"); 187 Res.push_back(Opts.FloatABI); 188 } 189 if (!Opts.LimitFloatPrecision.empty()) { 190 Res.push_back("-mlimit-float-precision"); 191 Res.push_back(Opts.LimitFloatPrecision); 192 } 193 if (Opts.NoZeroInitializedInBSS) 194 Res.push_back("-mno-zero-initialized-bss"); 195 switch (Opts.getObjCDispatchMethod()) { 196 case CodeGenOptions::Legacy: 197 break; 198 case CodeGenOptions::Mixed: 199 Res.push_back("-fobjc-dispatch-method=mixed"); 200 break; 201 case CodeGenOptions::NonLegacy: 202 Res.push_back("-fobjc-dispatch-method=non-legacy"); 203 break; 204 } 205 if (Opts.NumRegisterParameters) { 206 Res.push_back("-mregparm"); 207 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 208 } 209 if (Opts.RelaxAll) 210 Res.push_back("-mrelax-all"); 211 if (Opts.SoftFloat) 212 Res.push_back("-msoft-float"); 213 if (Opts.UnwindTables) 214 Res.push_back("-munwind-tables"); 215 if (Opts.RelocationModel != "pic") { 216 Res.push_back("-mrelocation-model"); 217 Res.push_back(Opts.RelocationModel); 218 } 219 if (!Opts.VerifyModule) 220 Res.push_back("-disable-llvm-verifier"); 221 } 222 223 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 224 std::vector<std::string> &Res) { 225 if (Opts.IncludeSystemHeaders) 226 Res.push_back("-sys-header-deps"); 227 if (Opts.ShowHeaderIncludes) 228 Res.push_back("-H"); 229 if (!Opts.HeaderIncludeOutputFile.empty()) { 230 Res.push_back("-header-include-file"); 231 Res.push_back(Opts.HeaderIncludeOutputFile); 232 } 233 if (Opts.UsePhonyTargets) 234 Res.push_back("-MP"); 235 if (!Opts.OutputFile.empty()) { 236 Res.push_back("-dependency-file"); 237 Res.push_back(Opts.OutputFile); 238 } 239 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 240 Res.push_back("-MT"); 241 Res.push_back(Opts.Targets[i]); 242 } 243 } 244 245 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 246 std::vector<std::string> &Res) { 247 if (Opts.IgnoreWarnings) 248 Res.push_back("-w"); 249 if (Opts.NoRewriteMacros) 250 Res.push_back("-Wno-rewrite-macros"); 251 if (Opts.Pedantic) 252 Res.push_back("-pedantic"); 253 if (Opts.PedanticErrors) 254 Res.push_back("-pedantic-errors"); 255 if (!Opts.ShowColumn) 256 Res.push_back("-fno-show-column"); 257 if (!Opts.ShowLocation) 258 Res.push_back("-fno-show-source-location"); 259 if (!Opts.ShowCarets) 260 Res.push_back("-fno-caret-diagnostics"); 261 if (!Opts.ShowFixits) 262 Res.push_back("-fno-diagnostics-fixit-info"); 263 if (Opts.ShowSourceRanges) 264 Res.push_back("-fdiagnostics-print-source-range-info"); 265 if (Opts.ShowParseableFixits) 266 Res.push_back("-fdiagnostics-parseable-fixits"); 267 if (Opts.ShowColors) 268 Res.push_back("-fcolor-diagnostics"); 269 if (Opts.VerifyDiagnostics) 270 Res.push_back("-verify"); 271 if (Opts.ShowOptionNames) 272 Res.push_back("-fdiagnostics-show-option"); 273 if (Opts.ShowCategories == 1) 274 Res.push_back("-fdiagnostics-show-category=id"); 275 else if (Opts.ShowCategories == 2) 276 Res.push_back("-fdiagnostics-show-category=name"); 277 if (Opts.ErrorLimit) { 278 Res.push_back("-ferror-limit"); 279 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 280 } 281 if (Opts.MacroBacktraceLimit 282 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 283 Res.push_back("-fmacro-backtrace-limit"); 284 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 285 } 286 if (Opts.TemplateBacktraceLimit 287 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 288 Res.push_back("-ftemplate-backtrace-limit"); 289 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 290 } 291 292 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 293 Res.push_back("-ftabstop"); 294 Res.push_back(llvm::utostr(Opts.TabStop)); 295 } 296 if (Opts.MessageLength) { 297 Res.push_back("-fmessage-length"); 298 Res.push_back(llvm::utostr(Opts.MessageLength)); 299 } 300 if (!Opts.DumpBuildInformation.empty()) { 301 Res.push_back("-dump-build-information"); 302 Res.push_back(Opts.DumpBuildInformation); 303 } 304 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 305 Res.push_back("-W" + Opts.Warnings[i]); 306 } 307 308 static const char *getInputKindName(InputKind Kind) { 309 switch (Kind) { 310 case IK_None: break; 311 case IK_AST: return "ast"; 312 case IK_Asm: return "assembler-with-cpp"; 313 case IK_C: return "c"; 314 case IK_CXX: return "c++"; 315 case IK_LLVM_IR: return "ir"; 316 case IK_ObjC: return "objective-c"; 317 case IK_ObjCXX: return "objective-c++"; 318 case IK_OpenCL: return "cl"; 319 case IK_CUDA: return "cuda"; 320 case IK_PreprocessedC: return "cpp-output"; 321 case IK_PreprocessedCXX: return "c++-cpp-output"; 322 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 323 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 324 } 325 326 llvm_unreachable("Unexpected language kind!"); 327 return 0; 328 } 329 330 static const char *getActionName(frontend::ActionKind Kind) { 331 switch (Kind) { 332 case frontend::PluginAction: 333 case frontend::InheritanceView: 334 llvm_unreachable("Invalid kind!"); 335 336 case frontend::ASTDump: return "-ast-dump"; 337 case frontend::ASTDumpXML: return "-ast-dump-xml"; 338 case frontend::ASTPrint: return "-ast-print"; 339 case frontend::ASTPrintXML: return "-ast-print-xml"; 340 case frontend::ASTView: return "-ast-view"; 341 case frontend::BoostCon: return "-boostcon"; 342 case frontend::CreateModule: return "-create-module"; 343 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 344 case frontend::DumpTokens: return "-dump-tokens"; 345 case frontend::EmitAssembly: return "-S"; 346 case frontend::EmitBC: return "-emit-llvm-bc"; 347 case frontend::EmitHTML: return "-emit-html"; 348 case frontend::EmitLLVM: return "-emit-llvm"; 349 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 350 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 351 case frontend::EmitObj: return "-emit-obj"; 352 case frontend::FixIt: return "-fixit"; 353 case frontend::GeneratePCH: return "-emit-pch"; 354 case frontend::GeneratePTH: return "-emit-pth"; 355 case frontend::InitOnly: return "-init-only"; 356 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 357 case frontend::PrintDeclContext: return "-print-decl-contexts"; 358 case frontend::PrintPreamble: return "-print-preamble"; 359 case frontend::PrintPreprocessedInput: return "-E"; 360 case frontend::RewriteMacros: return "-rewrite-macros"; 361 case frontend::RewriteObjC: return "-rewrite-objc"; 362 case frontend::RewriteTest: return "-rewrite-test"; 363 case frontend::RunAnalysis: return "-analyze"; 364 case frontend::RunPreprocessorOnly: return "-Eonly"; 365 } 366 367 llvm_unreachable("Unexpected language kind!"); 368 return 0; 369 } 370 371 static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 372 std::vector<std::string> &Res) { 373 if (!Opts.WorkingDir.empty()) { 374 Res.push_back("-working-directory"); 375 Res.push_back(Opts.WorkingDir); 376 } 377 } 378 379 static void FrontendOptsToArgs(const FrontendOptions &Opts, 380 std::vector<std::string> &Res) { 381 if (Opts.DisableFree) 382 Res.push_back("-disable-free"); 383 if (Opts.RelocatablePCH) 384 Res.push_back("-relocatable-pch"); 385 if (Opts.ChainedPCH) 386 Res.push_back("-chained-pch"); 387 if (Opts.ShowHelp) 388 Res.push_back("-help"); 389 if (Opts.ShowMacrosInCodeCompletion) 390 Res.push_back("-code-completion-macros"); 391 if (Opts.ShowCodePatternsInCodeCompletion) 392 Res.push_back("-code-completion-patterns"); 393 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 394 Res.push_back("-no-code-completion-globals"); 395 if (Opts.ShowStats) 396 Res.push_back("-print-stats"); 397 if (Opts.ShowTimers) 398 Res.push_back("-ftime-report"); 399 if (Opts.ShowVersion) 400 Res.push_back("-version"); 401 if (Opts.FixWhatYouCan) 402 Res.push_back("-fix-what-you-can"); 403 404 bool NeedLang = false; 405 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 406 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 407 Opts.Inputs[i].first) 408 NeedLang = true; 409 if (NeedLang) { 410 Res.push_back("-x"); 411 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 412 } 413 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 414 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 415 "Unable to represent this input vector!"); 416 Res.push_back(Opts.Inputs[i].second); 417 } 418 419 if (!Opts.OutputFile.empty()) { 420 Res.push_back("-o"); 421 Res.push_back(Opts.OutputFile); 422 } 423 if (!Opts.ViewClassInheritance.empty()) { 424 Res.push_back("-cxx-inheritance-view"); 425 Res.push_back(Opts.ViewClassInheritance); 426 } 427 if (!Opts.CodeCompletionAt.FileName.empty()) { 428 Res.push_back("-code-completion-at"); 429 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 430 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 431 llvm::utostr(Opts.CodeCompletionAt.Column)); 432 } 433 if (Opts.ProgramAction != frontend::InheritanceView && 434 Opts.ProgramAction != frontend::PluginAction) 435 Res.push_back(getActionName(Opts.ProgramAction)); 436 if (!Opts.ActionName.empty()) { 437 Res.push_back("-plugin"); 438 Res.push_back(Opts.ActionName); 439 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 440 Res.push_back("-plugin-arg-" + Opts.ActionName); 441 Res.push_back(Opts.PluginArgs[i]); 442 } 443 } 444 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 445 Res.push_back("-load"); 446 Res.push_back(Opts.Plugins[i]); 447 } 448 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 449 Res.push_back("-add-plugin"); 450 Res.push_back(Opts.AddPluginActions[i]); 451 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 452 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 453 Res.push_back(Opts.AddPluginArgs[i][ai]); 454 } 455 } 456 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 457 Res.push_back("-ast-merge"); 458 Res.push_back(Opts.ASTMergeFiles[i]); 459 } 460 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 461 Res.push_back("-import-module"); 462 Res.push_back(Opts.Modules[i]); 463 } 464 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 465 Res.push_back("-mllvm"); 466 Res.push_back(Opts.LLVMArgs[i]); 467 } 468 } 469 470 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 471 std::vector<std::string> &Res) { 472 if (Opts.Sysroot != "/") { 473 Res.push_back("-isysroot"); 474 Res.push_back(Opts.Sysroot); 475 } 476 477 for (unsigned i = 0, e = Opts.CXXSystemIncludes.size(); i != e; ++i) { 478 Res.push_back("-cxx-system-include"); 479 Res.push_back(Opts.CXXSystemIncludes[i]); 480 } 481 482 /// User specified include entries. 483 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 484 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 485 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 486 llvm::report_fatal_error("Invalid option set!"); 487 if (E.IsUserSupplied) { 488 if (E.Group == frontend::After) { 489 Res.push_back("-idirafter"); 490 } else if (E.Group == frontend::Quoted) { 491 Res.push_back("-iquote"); 492 } else if (E.Group == frontend::System) { 493 Res.push_back("-isystem"); 494 } else { 495 assert(E.Group == frontend::Angled && "Invalid group!"); 496 Res.push_back(E.IsFramework ? "-F" : "-I"); 497 } 498 } else { 499 if (E.Group != frontend::Angled && E.Group != frontend::System) 500 llvm::report_fatal_error("Invalid option set!"); 501 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 502 "-iwithprefix"); 503 } 504 Res.push_back(E.Path); 505 } 506 507 if (!Opts.EnvIncPath.empty()) { 508 // FIXME: Provide an option for this, and move env detection to driver. 509 llvm::report_fatal_error("Not yet implemented!"); 510 } 511 if (!Opts.CEnvIncPath.empty()) { 512 // FIXME: Provide an option for this, and move env detection to driver. 513 llvm::report_fatal_error("Not yet implemented!"); 514 } 515 if (!Opts.ObjCEnvIncPath.empty()) { 516 // FIXME: Provide an option for this, and move env detection to driver. 517 llvm::report_fatal_error("Not yet implemented!"); 518 } 519 if (!Opts.CXXEnvIncPath.empty()) { 520 // FIXME: Provide an option for this, and move env detection to driver. 521 llvm::report_fatal_error("Not yet implemented!"); 522 } 523 if (!Opts.ObjCXXEnvIncPath.empty()) { 524 // FIXME: Provide an option for this, and move env detection to driver. 525 llvm::report_fatal_error("Not yet implemented!"); 526 } 527 if (!Opts.ResourceDir.empty()) { 528 Res.push_back("-resource-dir"); 529 Res.push_back(Opts.ResourceDir); 530 } 531 if (!Opts.UseStandardIncludes) 532 Res.push_back("-nostdinc"); 533 if (!Opts.UseStandardCXXIncludes) 534 Res.push_back("-nostdinc++"); 535 if (Opts.Verbose) 536 Res.push_back("-v"); 537 } 538 539 static void LangOptsToArgs(const LangOptions &Opts, 540 std::vector<std::string> &Res) { 541 LangOptions DefaultLangOpts; 542 543 // FIXME: Need to set -std to get all the implicit options. 544 545 // FIXME: We want to only pass options relative to the defaults, which 546 // requires constructing a target. :( 547 // 548 // It would be better to push the all target specific choices into the driver, 549 // so that everything below that was more uniform. 550 551 if (Opts.Trigraphs) 552 Res.push_back("-trigraphs"); 553 // Implicit based on the input kind: 554 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 555 // Implicit based on the input language standard: 556 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 557 if (Opts.DollarIdents) 558 Res.push_back("-fdollars-in-identifiers"); 559 if (Opts.GNUMode && !Opts.GNUKeywords) 560 Res.push_back("-fno-gnu-keywords"); 561 if (!Opts.GNUMode && Opts.GNUKeywords) 562 Res.push_back("-fgnu-keywords"); 563 if (Opts.Microsoft) 564 Res.push_back("-fms-extensions"); 565 if (Opts.MSCVersion != 0) 566 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 567 if (Opts.Borland) 568 Res.push_back("-fborland-extensions"); 569 if (Opts.ObjCNonFragileABI) 570 Res.push_back("-fobjc-nonfragile-abi"); 571 if (Opts.ObjCNonFragileABI2) 572 Res.push_back("-fobjc-nonfragile-abi"); 573 if (Opts.ObjCDefaultSynthProperties) 574 Res.push_back("-fobjc-default-synthesize-properties"); 575 // NoInline is implicit. 576 if (!Opts.CXXOperatorNames) 577 Res.push_back("-fno-operator-names"); 578 if (Opts.PascalStrings) 579 Res.push_back("-fpascal-strings"); 580 if (Opts.CatchUndefined) 581 Res.push_back("-fcatch-undefined-behavior"); 582 if (Opts.WritableStrings) 583 Res.push_back("-fwritable-strings"); 584 if (Opts.ConstStrings) 585 Res.push_back("-Wwrite-strings"); 586 if (!Opts.LaxVectorConversions) 587 Res.push_back("-fno-lax-vector-conversions"); 588 if (Opts.AltiVec) 589 Res.push_back("-faltivec"); 590 if (Opts.Exceptions) 591 Res.push_back("-fexceptions"); 592 if (Opts.SjLjExceptions) 593 Res.push_back("-fsjlj-exceptions"); 594 if (!Opts.RTTI) 595 Res.push_back("-fno-rtti"); 596 if (Opts.MSBitfields) 597 Res.push_back("-mms-bitfields"); 598 if (!Opts.NeXTRuntime) 599 Res.push_back("-fgnu-runtime"); 600 if (Opts.Freestanding) 601 Res.push_back("-ffreestanding"); 602 if (Opts.NoBuiltin) 603 Res.push_back("-fno-builtin"); 604 if (!Opts.AssumeSaneOperatorNew) 605 Res.push_back("-fno-assume-sane-operator-new"); 606 if (!Opts.ThreadsafeStatics) 607 Res.push_back("-fno-threadsafe-statics"); 608 if (Opts.POSIXThreads) 609 Res.push_back("-pthread"); 610 if (Opts.Blocks) 611 Res.push_back("-fblocks"); 612 if (Opts.EmitAllDecls) 613 Res.push_back("-femit-all-decls"); 614 if (Opts.MathErrno) 615 Res.push_back("-fmath-errno"); 616 switch (Opts.getSignedOverflowBehavior()) { 617 case LangOptions::SOB_Undefined: break; 618 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 619 case LangOptions::SOB_Trapping: 620 Res.push_back("-ftrapv"); break; 621 if (!Opts.OverflowHandler.empty()) { 622 Res.push_back("-ftrapv-handler"); 623 Res.push_back(Opts.OverflowHandler); 624 } 625 } 626 if (Opts.HeinousExtensions) 627 Res.push_back("-fheinous-gnu-extensions"); 628 // Optimize is implicit. 629 // OptimizeSize is implicit. 630 if (Opts.Static) 631 Res.push_back("-static-define"); 632 if (Opts.DumpRecordLayouts) 633 Res.push_back("-fdump-record-layouts"); 634 if (Opts.DumpVTableLayouts) 635 Res.push_back("-fdump-vtable-layouts"); 636 if (Opts.NoBitFieldTypeAlign) 637 Res.push_back("-fno-bitfield-type-alignment"); 638 if (Opts.SjLjExceptions) 639 Res.push_back("-fsjlj-exceptions"); 640 if (Opts.PICLevel) { 641 Res.push_back("-pic-level"); 642 Res.push_back(llvm::utostr(Opts.PICLevel)); 643 } 644 if (Opts.ObjCGCBitmapPrint) 645 Res.push_back("-print-ivar-layout"); 646 if (Opts.NoConstantCFStrings) 647 Res.push_back("-fno-constant-cfstrings"); 648 if (!Opts.AccessControl) 649 Res.push_back("-fno-access-control"); 650 if (!Opts.CharIsSigned) 651 Res.push_back("-fno-signed-char"); 652 if (Opts.ShortWChar) 653 Res.push_back("-fshort-wchar"); 654 if (!Opts.ElideConstructors) 655 Res.push_back("-fno-elide-constructors"); 656 if (Opts.getGCMode() != LangOptions::NonGC) { 657 if (Opts.getGCMode() == LangOptions::HybridGC) { 658 Res.push_back("-fobjc-gc"); 659 } else { 660 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 661 Res.push_back("-fobjc-gc-only"); 662 } 663 } 664 if (Opts.AppleKext) 665 Res.push_back("-fapple-kext"); 666 667 if (Opts.getVisibilityMode() != DefaultVisibility) { 668 Res.push_back("-fvisibility"); 669 if (Opts.getVisibilityMode() == HiddenVisibility) { 670 Res.push_back("hidden"); 671 } else { 672 assert(Opts.getVisibilityMode() == ProtectedVisibility && 673 "Invalid visibility!"); 674 Res.push_back("protected"); 675 } 676 } 677 if (Opts.InlineVisibilityHidden) 678 Res.push_back("-fvisibility-inlines-hidden"); 679 680 if (Opts.getStackProtectorMode() != 0) { 681 Res.push_back("-stack-protector"); 682 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 683 } 684 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 685 Res.push_back("-ftemplate-depth"); 686 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 687 } 688 if (!Opts.ObjCConstantStringClass.empty()) { 689 Res.push_back("-fconstant-string-class"); 690 Res.push_back(Opts.ObjCConstantStringClass); 691 } 692 } 693 694 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 695 std::vector<std::string> &Res) { 696 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 697 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 698 Opts.Macros[i].first); 699 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 700 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 701 Res.push_back("-include"); 702 Res.push_back(Opts.Includes[i]); 703 } 704 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 705 Res.push_back("-imacros"); 706 Res.push_back(Opts.MacroIncludes[i]); 707 } 708 if (!Opts.UsePredefines) 709 Res.push_back("-undef"); 710 if (Opts.DetailedRecord) 711 Res.push_back("-detailed-preprocessing-record"); 712 if (!Opts.ImplicitPCHInclude.empty()) { 713 Res.push_back("-include-pch"); 714 Res.push_back(Opts.ImplicitPCHInclude); 715 } 716 if (!Opts.ImplicitPTHInclude.empty()) { 717 Res.push_back("-include-pth"); 718 Res.push_back(Opts.ImplicitPTHInclude); 719 } 720 if (!Opts.TokenCache.empty()) { 721 if (Opts.ImplicitPTHInclude.empty()) { 722 Res.push_back("-token-cache"); 723 Res.push_back(Opts.TokenCache); 724 } else 725 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 726 "Unsupported option combination!"); 727 } 728 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 729 Res.push_back("-remap-file"); 730 Res.push_back(Opts.RemappedFiles[i].first + ";" + 731 Opts.RemappedFiles[i].second); 732 } 733 } 734 735 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 736 std::vector<std::string> &Res) { 737 if (!Opts.ShowCPP && !Opts.ShowMacros) 738 llvm::report_fatal_error("Invalid option combination!"); 739 740 if (Opts.ShowCPP && Opts.ShowMacros) 741 Res.push_back("-dD"); 742 else if (!Opts.ShowCPP && Opts.ShowMacros) 743 Res.push_back("-dM"); 744 745 if (!Opts.ShowLineMarkers) 746 Res.push_back("-P"); 747 if (Opts.ShowComments) 748 Res.push_back("-C"); 749 if (Opts.ShowMacroComments) 750 Res.push_back("-CC"); 751 } 752 753 static void TargetOptsToArgs(const TargetOptions &Opts, 754 std::vector<std::string> &Res) { 755 Res.push_back("-triple"); 756 Res.push_back(Opts.Triple); 757 if (!Opts.CPU.empty()) { 758 Res.push_back("-target-cpu"); 759 Res.push_back(Opts.CPU); 760 } 761 if (!Opts.ABI.empty()) { 762 Res.push_back("-target-abi"); 763 Res.push_back(Opts.ABI); 764 } 765 if (!Opts.LinkerVersion.empty()) { 766 Res.push_back("-target-linker-version"); 767 Res.push_back(Opts.LinkerVersion); 768 } 769 if (!Opts.CXXABI.empty()) { 770 Res.push_back("-cxx-abi"); 771 Res.push_back(Opts.CXXABI); 772 } 773 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 774 Res.push_back("-target-feature"); 775 Res.push_back(Opts.Features[i]); 776 } 777 } 778 779 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 780 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 781 CodeGenOptsToArgs(getCodeGenOpts(), Res); 782 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 783 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 784 FileSystemOptsToArgs(getFileSystemOpts(), Res); 785 FrontendOptsToArgs(getFrontendOpts(), Res); 786 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 787 LangOptsToArgs(getLangOpts(), Res); 788 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 789 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 790 TargetOptsToArgs(getTargetOpts(), Res); 791 } 792 793 //===----------------------------------------------------------------------===// 794 // Deserialization (to args) 795 //===----------------------------------------------------------------------===// 796 797 using namespace clang::driver; 798 using namespace clang::driver::cc1options; 799 800 // 801 802 static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 803 Diagnostic &Diags) { 804 unsigned DefaultOpt = 0; 805 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 806 DefaultOpt = 2; 807 // -Os implies -O2 808 return Args.hasArg(OPT_Os) ? 2 : 809 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 810 } 811 812 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 813 Diagnostic &Diags) { 814 using namespace cc1options; 815 816 Opts.AnalysisList.clear(); 817 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 818 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 819 #include "clang/Frontend/Analyses.def" 820 821 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 822 llvm::StringRef Name = A->getValue(Args); 823 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 824 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 825 .Case(CMDFLAG, NAME##Model) 826 #include "clang/Frontend/Analyses.def" 827 .Default(NumStores); 828 // FIXME: Error handling. 829 if (Value == NumStores) 830 Diags.Report(diag::err_drv_invalid_value) 831 << A->getAsString(Args) << Name; 832 else 833 Opts.AnalysisStoreOpt = Value; 834 } 835 836 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 837 llvm::StringRef Name = A->getValue(Args); 838 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 839 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 840 .Case(CMDFLAG, NAME##Model) 841 #include "clang/Frontend/Analyses.def" 842 .Default(NumConstraints); 843 // FIXME: Error handling. 844 if (Value == NumConstraints) 845 Diags.Report(diag::err_drv_invalid_value) 846 << A->getAsString(Args) << Name; 847 else 848 Opts.AnalysisConstraintsOpt = Value; 849 } 850 851 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 852 llvm::StringRef Name = A->getValue(Args); 853 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 854 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 855 .Case(CMDFLAG, PD_##NAME) 856 #include "clang/Frontend/Analyses.def" 857 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 858 // FIXME: Error handling. 859 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 860 Diags.Report(diag::err_drv_invalid_value) 861 << A->getAsString(Args) << Name; 862 else 863 Opts.AnalysisDiagOpt = Value; 864 } 865 866 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 867 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 868 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 869 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 870 Opts.AnalyzeNestedBlocks = 871 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 872 Opts.AnalyzerStats = Args.hasArg(OPT_analysis_AnalyzerStats); 873 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 874 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 875 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 876 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 877 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 878 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 879 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 880 Opts.EnableExperimentalInternalChecks = 881 Args.hasArg(OPT_analyzer_experimental_internal_checks); 882 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 883 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 884 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 885 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 886 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 887 Opts.IdempotentOps = Args.hasArg(OPT_analysis_WarnIdempotentOps); 888 Opts.ObjCSelfInitCheck = Args.hasArg(OPT_analysis_WarnObjCSelfInit); 889 Opts.BufferOverflows = Args.hasArg(OPT_analysis_WarnBufferOverflows); 890 } 891 892 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 893 Diagnostic &Diags) { 894 using namespace cc1options; 895 896 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 897 if (Opts.OptimizationLevel > 3) { 898 Diags.Report(diag::err_drv_invalid_value) 899 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 900 Opts.OptimizationLevel = 3; 901 } 902 903 // We must always run at least the always inlining pass. 904 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 905 : CodeGenOptions::OnlyAlwaysInlining; 906 907 Opts.DebugInfo = Args.hasArg(OPT_g); 908 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 909 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 910 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 911 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 912 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 913 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 914 Opts.NoCommon = Args.hasArg(OPT_fno_common); 915 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 916 Opts.OptimizeSize = Args.hasArg(OPT_Os); 917 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 918 Args.hasArg(OPT_ffreestanding)); 919 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 920 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 921 922 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 923 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 924 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 925 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 926 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 927 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 928 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 929 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 930 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 931 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 932 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 933 Args.hasArg(OPT_cl_fast_relaxed_math); 934 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 935 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 936 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 937 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 938 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 939 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 940 Args.hasArg(OPT_cl_fast_relaxed_math); 941 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 942 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 943 944 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 945 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 946 947 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 948 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 949 950 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 951 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 952 953 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 954 llvm::StringRef Name = A->getValue(Args); 955 unsigned Method = llvm::StringSwitch<unsigned>(Name) 956 .Case("legacy", CodeGenOptions::Legacy) 957 .Case("non-legacy", CodeGenOptions::NonLegacy) 958 .Case("mixed", CodeGenOptions::Mixed) 959 .Default(~0U); 960 if (Method == ~0U) 961 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 962 else 963 Opts.ObjCDispatchMethod = Method; 964 } 965 } 966 967 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 968 ArgList &Args) { 969 using namespace cc1options; 970 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 971 Opts.Targets = Args.getAllArgValues(OPT_MT); 972 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 973 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 974 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 975 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 976 } 977 978 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 979 Diagnostic &Diags) { 980 using namespace cc1options; 981 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 982 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 983 Opts.Pedantic = Args.hasArg(OPT_pedantic); 984 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 985 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 986 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 987 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 988 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 989 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 990 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 991 992 llvm::StringRef ShowOverloads = 993 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 994 if (ShowOverloads == "best") 995 Opts.ShowOverloads = Diagnostic::Ovl_Best; 996 else if (ShowOverloads == "all") 997 Opts.ShowOverloads = Diagnostic::Ovl_All; 998 else 999 Diags.Report(diag::err_drv_invalid_value) 1000 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1001 << ShowOverloads; 1002 1003 llvm::StringRef ShowCategory = 1004 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1005 if (ShowCategory == "none") 1006 Opts.ShowCategories = 0; 1007 else if (ShowCategory == "id") 1008 Opts.ShowCategories = 1; 1009 else if (ShowCategory == "name") 1010 Opts.ShowCategories = 2; 1011 else 1012 Diags.Report(diag::err_drv_invalid_value) 1013 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1014 << ShowCategory; 1015 1016 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1017 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1018 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1019 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1020 Opts.MacroBacktraceLimit 1021 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1022 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1023 Opts.TemplateBacktraceLimit 1024 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1025 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1026 Diags); 1027 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1028 DiagnosticOptions::DefaultTabStop, Diags); 1029 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1030 Diags.Report(diag::warn_ignoring_ftabstop_value) 1031 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1032 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1033 } 1034 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1035 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1036 Opts.Warnings = Args.getAllArgValues(OPT_W); 1037 } 1038 1039 static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1040 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1041 } 1042 1043 static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1044 Diagnostic &Diags) { 1045 using namespace cc1options; 1046 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1047 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1048 switch (A->getOption().getID()) { 1049 default: 1050 assert(0 && "Invalid option in group!"); 1051 case OPT_ast_dump: 1052 Opts.ProgramAction = frontend::ASTDump; break; 1053 case OPT_ast_dump_xml: 1054 Opts.ProgramAction = frontend::ASTDumpXML; break; 1055 case OPT_ast_print: 1056 Opts.ProgramAction = frontend::ASTPrint; break; 1057 case OPT_ast_print_xml: 1058 Opts.ProgramAction = frontend::ASTPrintXML; break; 1059 case OPT_ast_view: 1060 Opts.ProgramAction = frontend::ASTView; break; 1061 case OPT_boostcon: 1062 Opts.ProgramAction = frontend::BoostCon; break; 1063 case OPT_dump_raw_tokens: 1064 Opts.ProgramAction = frontend::DumpRawTokens; break; 1065 case OPT_dump_tokens: 1066 Opts.ProgramAction = frontend::DumpTokens; break; 1067 case OPT_S: 1068 Opts.ProgramAction = frontend::EmitAssembly; break; 1069 case OPT_emit_llvm_bc: 1070 Opts.ProgramAction = frontend::EmitBC; break; 1071 case OPT_emit_html: 1072 Opts.ProgramAction = frontend::EmitHTML; break; 1073 case OPT_emit_llvm: 1074 Opts.ProgramAction = frontend::EmitLLVM; break; 1075 case OPT_emit_llvm_only: 1076 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1077 case OPT_emit_codegen_only: 1078 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1079 case OPT_emit_obj: 1080 Opts.ProgramAction = frontend::EmitObj; break; 1081 case OPT_fixit_EQ: 1082 Opts.FixItSuffix = A->getValue(Args); 1083 // fall-through! 1084 case OPT_fixit: 1085 Opts.ProgramAction = frontend::FixIt; break; 1086 case OPT_emit_pch: 1087 Opts.ProgramAction = frontend::GeneratePCH; break; 1088 case OPT_emit_pth: 1089 Opts.ProgramAction = frontend::GeneratePTH; break; 1090 case OPT_init_only: 1091 Opts.ProgramAction = frontend::InitOnly; break; 1092 case OPT_fsyntax_only: 1093 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1094 case OPT_print_decl_contexts: 1095 Opts.ProgramAction = frontend::PrintDeclContext; break; 1096 case OPT_print_preamble: 1097 Opts.ProgramAction = frontend::PrintPreamble; break; 1098 case OPT_E: 1099 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1100 case OPT_rewrite_macros: 1101 Opts.ProgramAction = frontend::RewriteMacros; break; 1102 case OPT_rewrite_objc: 1103 Opts.ProgramAction = frontend::RewriteObjC; break; 1104 case OPT_rewrite_test: 1105 Opts.ProgramAction = frontend::RewriteTest; break; 1106 case OPT_analyze: 1107 Opts.ProgramAction = frontend::RunAnalysis; break; 1108 case OPT_Eonly: 1109 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1110 case OPT_create_module: 1111 Opts.ProgramAction = frontend::CreateModule; break; 1112 } 1113 } 1114 1115 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1116 Opts.Plugins.push_back(A->getValue(Args,0)); 1117 Opts.ProgramAction = frontend::PluginAction; 1118 Opts.ActionName = A->getValue(Args); 1119 1120 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1121 end = Args.filtered_end(); it != end; ++it) { 1122 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1123 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1124 } 1125 } 1126 1127 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1128 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1129 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1130 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1131 end = Args.filtered_end(); it != end; ++it) { 1132 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1133 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1134 } 1135 } 1136 1137 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1138 Opts.CodeCompletionAt = 1139 ParsedSourceLocation::FromString(A->getValue(Args)); 1140 if (Opts.CodeCompletionAt.FileName.empty()) 1141 Diags.Report(diag::err_drv_invalid_value) 1142 << A->getAsString(Args) << A->getValue(Args); 1143 } 1144 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1145 1146 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1147 Opts.Plugins = Args.getAllArgValues(OPT_load); 1148 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1149 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1150 Opts.ShowHelp = Args.hasArg(OPT_help); 1151 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1152 Opts.ShowCodePatternsInCodeCompletion 1153 = Args.hasArg(OPT_code_completion_patterns); 1154 Opts.ShowGlobalSymbolsInCodeCompletion 1155 = !Args.hasArg(OPT_no_code_completion_globals); 1156 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1157 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1158 Opts.ShowVersion = Args.hasArg(OPT_version); 1159 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 1160 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1161 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1162 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1163 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1164 1165 InputKind DashX = IK_None; 1166 if (const Arg *A = Args.getLastArg(OPT_x)) { 1167 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1168 .Case("c", IK_C) 1169 .Case("cl", IK_OpenCL) 1170 .Case("c", IK_C) 1171 .Case("cl", IK_OpenCL) 1172 .Case("cuda", IK_CUDA) 1173 .Case("c++", IK_CXX) 1174 .Case("objective-c", IK_ObjC) 1175 .Case("objective-c++", IK_ObjCXX) 1176 .Case("cpp-output", IK_PreprocessedC) 1177 .Case("assembler-with-cpp", IK_Asm) 1178 .Case("c++-cpp-output", IK_PreprocessedCXX) 1179 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1180 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1181 .Case("c-header", IK_C) 1182 .Case("objective-c-header", IK_ObjC) 1183 .Case("c++-header", IK_CXX) 1184 .Case("objective-c++-header", IK_ObjCXX) 1185 .Case("ast", IK_AST) 1186 .Case("ir", IK_LLVM_IR) 1187 .Default(IK_None); 1188 if (DashX == IK_None) 1189 Diags.Report(diag::err_drv_invalid_value) 1190 << A->getAsString(Args) << A->getValue(Args); 1191 } 1192 1193 // '-' is the default input if none is given. 1194 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1195 Opts.Inputs.clear(); 1196 if (Inputs.empty()) 1197 Inputs.push_back("-"); 1198 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1199 InputKind IK = DashX; 1200 if (IK == IK_None) { 1201 IK = FrontendOptions::getInputKindForExtension( 1202 llvm::StringRef(Inputs[i]).rsplit('.').second); 1203 // FIXME: Remove this hack. 1204 if (i == 0) 1205 DashX = IK; 1206 } 1207 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1208 } 1209 1210 return DashX; 1211 } 1212 1213 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1214 void *MainAddr) { 1215 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1216 1217 if (!P.isEmpty()) { 1218 P.eraseComponent(); // Remove /clang from foo/bin/clang 1219 P.eraseComponent(); // Remove /bin from foo/bin 1220 1221 // Get foo/lib/clang/<version>/include 1222 P.appendComponent("lib"); 1223 P.appendComponent("clang"); 1224 P.appendComponent(CLANG_VERSION_STRING); 1225 } 1226 1227 return P.str(); 1228 } 1229 1230 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1231 using namespace cc1options; 1232 Opts.CXXSystemIncludes = Args.getAllArgValues(OPT_cxx_system_include); 1233 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1234 Opts.Verbose = Args.hasArg(OPT_v); 1235 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1236 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1237 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1238 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1239 1240 // Add -I... and -F... options in order. 1241 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1242 ie = Args.filtered_end(); it != ie; ++it) 1243 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1244 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1245 1246 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1247 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1248 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1249 OPT_iwithprefixbefore), 1250 ie = Args.filtered_end(); it != ie; ++it) { 1251 const Arg *A = *it; 1252 if (A->getOption().matches(OPT_iprefix)) 1253 Prefix = A->getValue(Args); 1254 else if (A->getOption().matches(OPT_iwithprefix)) 1255 Opts.AddPath(Prefix.str() + A->getValue(Args), 1256 frontend::System, false, false, true); 1257 else 1258 Opts.AddPath(Prefix.str() + A->getValue(Args), 1259 frontend::Angled, false, false, true); 1260 } 1261 1262 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1263 ie = Args.filtered_end(); it != ie; ++it) 1264 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1265 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1266 ie = Args.filtered_end(); it != ie; ++it) 1267 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1268 for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot), 1269 ie = Args.filtered_end(); it != ie; ++it) 1270 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1271 (*it)->getOption().matches(OPT_iwithsysroot)); 1272 1273 // FIXME: Need options for the various environment variables! 1274 } 1275 1276 void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1277 LangStandard::Kind LangStd) { 1278 // Set some properties which depend soley on the input kind; it would be nice 1279 // to move these to the language standard, and have the driver resolve the 1280 // input kind + language standard. 1281 if (IK == IK_Asm) { 1282 Opts.AsmPreprocessor = 1; 1283 } else if (IK == IK_ObjC || 1284 IK == IK_ObjCXX || 1285 IK == IK_PreprocessedObjC || 1286 IK == IK_PreprocessedObjCXX) { 1287 Opts.ObjC1 = Opts.ObjC2 = 1; 1288 } 1289 1290 if (LangStd == LangStandard::lang_unspecified) { 1291 // Based on the base language, pick one. 1292 switch (IK) { 1293 case IK_None: 1294 case IK_AST: 1295 case IK_LLVM_IR: 1296 assert(0 && "Invalid input kind!"); 1297 case IK_OpenCL: 1298 LangStd = LangStandard::lang_opencl; 1299 break; 1300 case IK_CUDA: 1301 LangStd = LangStandard::lang_cuda; 1302 break; 1303 case IK_Asm: 1304 case IK_C: 1305 case IK_PreprocessedC: 1306 case IK_ObjC: 1307 case IK_PreprocessedObjC: 1308 LangStd = LangStandard::lang_gnu99; 1309 break; 1310 case IK_CXX: 1311 case IK_PreprocessedCXX: 1312 case IK_ObjCXX: 1313 case IK_PreprocessedObjCXX: 1314 LangStd = LangStandard::lang_gnucxx98; 1315 break; 1316 } 1317 } 1318 1319 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1320 Opts.BCPLComment = Std.hasBCPLComments(); 1321 Opts.C99 = Std.isC99(); 1322 Opts.CPlusPlus = Std.isCPlusPlus(); 1323 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1324 Opts.Digraphs = Std.hasDigraphs(); 1325 Opts.GNUMode = Std.isGNUMode(); 1326 Opts.GNUInline = !Std.isC99(); 1327 Opts.HexFloats = Std.hasHexFloats(); 1328 Opts.ImplicitInt = Std.hasImplicitInt(); 1329 1330 // OpenCL has some additional defaults. 1331 if (LangStd == LangStandard::lang_opencl) { 1332 Opts.OpenCL = 1; 1333 Opts.AltiVec = 1; 1334 Opts.CXXOperatorNames = 1; 1335 Opts.LaxVectorConversions = 1; 1336 } 1337 1338 if (LangStd == LangStandard::lang_cuda) 1339 Opts.CUDA = 1; 1340 1341 // OpenCL and C++ both have bool, true, false keywords. 1342 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1343 1344 Opts.GNUKeywords = Opts.GNUMode; 1345 Opts.CXXOperatorNames = Opts.CPlusPlus; 1346 1347 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1348 // is specified, or -std is set to a conforming mode. 1349 Opts.Trigraphs = !Opts.GNUMode; 1350 1351 Opts.DollarIdents = !Opts.AsmPreprocessor; 1352 } 1353 1354 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1355 Diagnostic &Diags) { 1356 // FIXME: Cleanup per-file based stuff. 1357 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1358 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1359 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1360 #define LANGSTANDARD(id, name, desc, features) \ 1361 .Case(name, LangStandard::lang_##id) 1362 #include "clang/Frontend/LangStandards.def" 1363 .Default(LangStandard::lang_unspecified); 1364 if (LangStd == LangStandard::lang_unspecified) 1365 Diags.Report(diag::err_drv_invalid_value) 1366 << A->getAsString(Args) << A->getValue(Args); 1367 } 1368 1369 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1370 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1371 Diags.Report(diag::err_drv_invalid_value) 1372 << A->getAsString(Args) << A->getValue(Args); 1373 } 1374 } 1375 1376 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1377 1378 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1379 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1380 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1381 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1382 // name, as it doesn't seem a useful distinction. 1383 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1384 Opts.GNUKeywords); 1385 1386 if (Args.hasArg(OPT_fno_operator_names)) 1387 Opts.CXXOperatorNames = 0; 1388 1389 if (Args.hasArg(OPT_fobjc_gc_only)) 1390 Opts.setGCMode(LangOptions::GCOnly); 1391 else if (Args.hasArg(OPT_fobjc_gc)) 1392 Opts.setGCMode(LangOptions::HybridGC); 1393 1394 if (Args.hasArg(OPT_fapple_kext)) { 1395 if (!Opts.CPlusPlus) 1396 Diags.Report(diag::warn_c_kext); 1397 else 1398 Opts.AppleKext = 1; 1399 } 1400 1401 if (Args.hasArg(OPT_print_ivar_layout)) 1402 Opts.ObjCGCBitmapPrint = 1; 1403 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1404 Opts.NoConstantCFStrings = 1; 1405 1406 if (Args.hasArg(OPT_faltivec)) 1407 Opts.AltiVec = 1; 1408 1409 if (Args.hasArg(OPT_pthread)) 1410 Opts.POSIXThreads = 1; 1411 1412 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1413 if (Vis == "default") 1414 Opts.setVisibilityMode(DefaultVisibility); 1415 else if (Vis == "hidden") 1416 Opts.setVisibilityMode(HiddenVisibility); 1417 else if (Vis == "protected") 1418 Opts.setVisibilityMode(ProtectedVisibility); 1419 else 1420 Diags.Report(diag::err_drv_invalid_value) 1421 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1422 1423 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1424 Opts.InlineVisibilityHidden = 1; 1425 1426 if (Args.hasArg(OPT_ftrapv)) { 1427 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1428 // Set the handler, if one is specified. 1429 Opts.OverflowHandler = 1430 Args.getLastArgValue(OPT_ftrapv_handler); 1431 } 1432 else if (Args.hasArg(OPT_fwrapv)) 1433 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1434 1435 if (Args.hasArg(OPT_trigraphs)) 1436 Opts.Trigraphs = 1; 1437 1438 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1439 OPT_fno_dollars_in_identifiers, 1440 Opts.DollarIdents); 1441 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1442 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1443 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1444 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1445 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1446 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1447 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1448 Opts.LaxVectorConversions = 0; 1449 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1450 Opts.ThreadsafeStatics = 0; 1451 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1452 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1453 Opts.Blocks = Args.hasArg(OPT_fblocks); 1454 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1455 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1456 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1457 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1458 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1459 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1460 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1461 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1462 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1463 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1464 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1465 Diags); 1466 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1467 0, Diags); 1468 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1469 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1470 Opts.ObjCConstantStringClass = 1471 Args.getLastArgValue(OPT_fconstant_string_class); 1472 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1473 if (Opts.ObjCNonFragileABI) 1474 Opts.ObjCNonFragileABI2 = true; 1475 Opts.ObjCDefaultSynthProperties = 1476 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1477 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1478 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1479 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1480 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1481 Opts.Static = Args.hasArg(OPT_static_define); 1482 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1483 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1484 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1485 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1486 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1487 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1488 Opts.OptimizeSize = 0; 1489 1490 // FIXME: Eliminate this dependency. 1491 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1492 Opts.Optimize = Opt != 0; 1493 1494 // This is the __NO_INLINE__ define, which just depends on things like the 1495 // optimization level and -fno-inline, not actually whether the backend has 1496 // inlining enabled. 1497 // 1498 // FIXME: This is affected by other options (-fno-inline). 1499 Opts.NoInline = !Opt; 1500 1501 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1502 switch (SSP) { 1503 default: 1504 Diags.Report(diag::err_drv_invalid_value) 1505 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1506 break; 1507 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1508 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1509 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1510 } 1511 } 1512 1513 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1514 FileManager &FileMgr, 1515 Diagnostic &Diags) { 1516 using namespace cc1options; 1517 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1518 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1519 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1520 Opts.TokenCache = A->getValue(Args); 1521 else 1522 Opts.TokenCache = Opts.ImplicitPTHInclude; 1523 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1524 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1525 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1526 1527 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1528 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1529 ie = Args.filtered_end(); it != ie; ++it) { 1530 const Arg *A = *it; 1531 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1532 } 1533 1534 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1535 llvm::StringRef Value(A->getValue(Args)); 1536 size_t Comma = Value.find(','); 1537 unsigned Bytes = 0; 1538 unsigned EndOfLine = 0; 1539 1540 if (Comma == llvm::StringRef::npos || 1541 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1542 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1543 Diags.Report(diag::err_drv_preamble_format); 1544 else { 1545 Opts.PrecompiledPreambleBytes.first = Bytes; 1546 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1547 } 1548 } 1549 1550 // Add macros from the command line. 1551 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1552 ie = Args.filtered_end(); it != ie; ++it) { 1553 if ((*it)->getOption().matches(OPT_D)) 1554 Opts.addMacroDef((*it)->getValue(Args)); 1555 else 1556 Opts.addMacroUndef((*it)->getValue(Args)); 1557 } 1558 1559 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1560 1561 // Add the ordered list of -includes. 1562 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1563 OPT_include_pth), 1564 ie = Args.filtered_end(); it != ie; ++it) { 1565 const Arg *A = *it; 1566 // PCH is handled specially, we need to extra the original include path. 1567 if (A->getOption().matches(OPT_include_pch)) { 1568 std::string OriginalFile = 1569 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1570 if (OriginalFile.empty()) 1571 continue; 1572 1573 Opts.Includes.push_back(OriginalFile); 1574 } else 1575 Opts.Includes.push_back(A->getValue(Args)); 1576 } 1577 1578 // Include 'altivec.h' if -faltivec option present 1579 if (Args.hasArg(OPT_faltivec)) 1580 Opts.Includes.push_back("altivec.h"); 1581 1582 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1583 ie = Args.filtered_end(); it != ie; ++it) { 1584 const Arg *A = *it; 1585 std::pair<llvm::StringRef,llvm::StringRef> Split = 1586 llvm::StringRef(A->getValue(Args)).split(';'); 1587 1588 if (Split.second.empty()) { 1589 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1590 continue; 1591 } 1592 1593 Opts.addRemappedFile(Split.first, Split.second); 1594 } 1595 } 1596 1597 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1598 ArgList &Args) { 1599 using namespace cc1options; 1600 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1601 Opts.ShowComments = Args.hasArg(OPT_C); 1602 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1603 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1604 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1605 } 1606 1607 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1608 using namespace cc1options; 1609 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1610 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1611 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1612 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1613 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1614 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1615 1616 // Use the host triple if unspecified. 1617 if (Opts.Triple.empty()) 1618 Opts.Triple = llvm::sys::getHostTriple(); 1619 } 1620 1621 // 1622 1623 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1624 const char *const *ArgBegin, 1625 const char *const *ArgEnd, 1626 Diagnostic &Diags) { 1627 // Parse the arguments. 1628 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1629 unsigned MissingArgIndex, MissingArgCount; 1630 llvm::OwningPtr<InputArgList> Args( 1631 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1632 1633 // Check for missing argument error. 1634 if (MissingArgCount) 1635 Diags.Report(diag::err_drv_missing_argument) 1636 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1637 1638 // Issue errors on unknown arguments. 1639 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1640 ie = Args->filtered_end(); it != ie; ++it) 1641 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1642 1643 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1644 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1645 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1646 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1647 // FIXME: We shouldn't have to pass the DashX option around here 1648 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1649 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1650 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1651 if (DashX != IK_AST && DashX != IK_LLVM_IR) 1652 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1653 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1654 // PCH file and find the original header name. Remove the need to do that in 1655 // ParsePreprocessorArgs and remove the FileManager 1656 // parameters from the function and the "FileManager.h" #include. 1657 FileManager FileMgr(Res.getFileSystemOpts()); 1658 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1659 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1660 ParseTargetArgs(Res.getTargetOpts(), *Args); 1661 } 1662