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/Driver/Arg.h" 14 #include "clang/Driver/ArgList.h" 15 #include "clang/Driver/CC1Options.h" 16 #include "clang/Driver/DriverDiagnostic.h" 17 #include "clang/Driver/OptTable.h" 18 #include "clang/Driver/Option.h" 19 #include "clang/Frontend/CompilerInvocation.h" 20 #include "clang/Frontend/LangStandard.h" 21 #include "clang/Frontend/PCHReader.h" 22 #include "llvm/ADT/OwningPtr.h" 23 #include "llvm/ADT/SmallVector.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/ADT/StringSwitch.h" 26 #include "llvm/Support/ErrorHandling.h" 27 #include "llvm/System/Host.h" 28 #include "llvm/System/Path.h" 29 using namespace clang; 30 31 static const char *getAnalysisName(Analyses Kind) { 32 switch (Kind) { 33 default: 34 llvm_unreachable("Unknown analysis kind!"); 35 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36 case NAME: return "-" CMDFLAG; 37 #include "clang/Frontend/Analyses.def" 38 } 39 } 40 41 static const char *getAnalysisStoreName(AnalysisStores Kind) { 42 switch (Kind) { 43 default: 44 llvm_unreachable("Unknown analysis store!"); 45 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46 case NAME##Model: return CMDFLAG; 47 #include "clang/Frontend/Analyses.def" 48 } 49 } 50 51 static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52 switch (Kind) { 53 default: 54 llvm_unreachable("Unknown analysis constraints!"); 55 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56 case NAME##Model: return CMDFLAG; 57 #include "clang/Frontend/Analyses.def" 58 } 59 } 60 61 static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62 switch (Kind) { 63 default: 64 llvm_unreachable("Unknown analysis client!"); 65 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67 #include "clang/Frontend/Analyses.def" 68 } 69 } 70 71 //===----------------------------------------------------------------------===// 72 // Serialization (to args) 73 //===----------------------------------------------------------------------===// 74 75 static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115 } 116 117 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OptimizeSize) { 136 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 137 Res.push_back("-Os"); 138 } else if (Opts.OptimizationLevel != 0) 139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 140 if (!Opts.MainFileName.empty()) { 141 Res.push_back("-main-file-name"); 142 Res.push_back(Opts.MainFileName); 143 } 144 // SimplifyLibCalls is only derived. 145 // TimePasses is only derived. 146 // UnitAtATime is unused. 147 // UnrollLoops is only derived. 148 // Inlining is only derived. 149 150 if (Opts.DataSections) 151 Res.push_back("-fdata-sections"); 152 if (Opts.FunctionSections) 153 Res.push_back("-ffunction-sections"); 154 if (Opts.AsmVerbose) 155 Res.push_back("-masm-verbose"); 156 if (!Opts.CodeModel.empty()) { 157 Res.push_back("-mcode-model"); 158 Res.push_back(Opts.CodeModel); 159 } 160 if (!Opts.CXAAtExit) 161 Res.push_back("-fno-use-cxa-atexit"); 162 if (Opts.CXXCtorDtorAliases) 163 Res.push_back("-mconstructor-aliases"); 164 if (!Opts.DebugPass.empty()) { 165 Res.push_back("-mdebug-pass"); 166 Res.push_back(Opts.DebugPass); 167 } 168 if (Opts.DisableFPElim) 169 Res.push_back("-mdisable-fp-elim"); 170 if (!Opts.FloatABI.empty()) { 171 Res.push_back("-mfloat-abi"); 172 Res.push_back(Opts.FloatABI); 173 } 174 if (!Opts.LimitFloatPrecision.empty()) { 175 Res.push_back("-mlimit-float-precision"); 176 Res.push_back(Opts.LimitFloatPrecision); 177 } 178 if (Opts.NoZeroInitializedInBSS) 179 Res.push_back("-mno-zero-initialized-bss"); 180 switch (Opts.getObjCDispatchMethod()) { 181 case CodeGenOptions::Legacy: 182 break; 183 case CodeGenOptions::Mixed: 184 Res.push_back("-fobjc-dispatch-method=mixed"); 185 break; 186 case CodeGenOptions::NonLegacy: 187 Res.push_back("-fobjc-dispatch-method=non-legacy"); 188 break; 189 } 190 if (Opts.SoftFloat) 191 Res.push_back("-msoft-float"); 192 if (Opts.UnwindTables) 193 Res.push_back("-munwind-tables"); 194 if (Opts.RelocationModel != "pic") { 195 Res.push_back("-mrelocation-model"); 196 Res.push_back(Opts.RelocationModel); 197 } 198 if (!Opts.VerifyModule) 199 Res.push_back("-disable-llvm-verifier"); 200 } 201 202 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 203 std::vector<std::string> &Res) { 204 if (Opts.IncludeSystemHeaders) 205 Res.push_back("-sys-header-deps"); 206 if (Opts.UsePhonyTargets) 207 Res.push_back("-MP"); 208 if (!Opts.OutputFile.empty()) { 209 Res.push_back("-dependency-file"); 210 Res.push_back(Opts.OutputFile); 211 } 212 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 213 Res.push_back("-MT"); 214 Res.push_back(Opts.Targets[i]); 215 } 216 } 217 218 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 219 std::vector<std::string> &Res) { 220 if (Opts.IgnoreWarnings) 221 Res.push_back("-w"); 222 if (Opts.NoRewriteMacros) 223 Res.push_back("-Wno-rewrite-macros"); 224 if (Opts.Pedantic) 225 Res.push_back("-pedantic"); 226 if (Opts.PedanticErrors) 227 Res.push_back("-pedantic-errors"); 228 if (!Opts.ShowColumn) 229 Res.push_back("-fno-show-column"); 230 if (!Opts.ShowLocation) 231 Res.push_back("-fno-show-source-location"); 232 if (!Opts.ShowCarets) 233 Res.push_back("-fno-caret-diagnostics"); 234 if (!Opts.ShowFixits) 235 Res.push_back("-fno-diagnostics-fixit-info"); 236 if (Opts.ShowSourceRanges) 237 Res.push_back("-fdiagnostics-print-source-range-info"); 238 if (Opts.ShowColors) 239 Res.push_back("-fcolor-diagnostics"); 240 if (Opts.VerifyDiagnostics) 241 Res.push_back("-verify"); 242 if (Opts.BinaryOutput) 243 Res.push_back("-fdiagnostics-binary"); 244 if (Opts.ShowOptionNames) 245 Res.push_back("-fdiagnostics-show-option"); 246 if (Opts.ShowCategories == 1) 247 Res.push_back("-fdiagnostics-show-category=id"); 248 else if (Opts.ShowCategories == 2) 249 Res.push_back("-fdiagnostics-show-category=name"); 250 if (Opts.ErrorLimit) { 251 Res.push_back("-ferror-limit"); 252 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 253 } 254 if (Opts.MacroBacktraceLimit 255 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 256 Res.push_back("-fmacro-backtrace-limit"); 257 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 258 } 259 if (Opts.TemplateBacktraceLimit 260 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 261 Res.push_back("-ftemplate-backtrace-limit"); 262 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 263 } 264 265 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 266 Res.push_back("-ftabstop"); 267 Res.push_back(llvm::utostr(Opts.TabStop)); 268 } 269 if (Opts.MessageLength) { 270 Res.push_back("-fmessage-length"); 271 Res.push_back(llvm::utostr(Opts.MessageLength)); 272 } 273 if (!Opts.DumpBuildInformation.empty()) { 274 Res.push_back("-dump-build-information"); 275 Res.push_back(Opts.DumpBuildInformation); 276 } 277 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 278 Res.push_back("-W" + Opts.Warnings[i]); 279 } 280 281 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 282 switch (Kind) { 283 case FrontendOptions::IK_None: break; 284 case FrontendOptions::IK_AST: return "ast"; 285 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 286 case FrontendOptions::IK_C: return "c"; 287 case FrontendOptions::IK_CXX: return "c++"; 288 case FrontendOptions::IK_ObjC: return "objective-c"; 289 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 290 case FrontendOptions::IK_OpenCL: return "cl"; 291 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 292 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 293 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 294 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 295 } 296 297 llvm_unreachable("Unexpected language kind!"); 298 return 0; 299 } 300 301 static const char *getActionName(frontend::ActionKind Kind) { 302 switch (Kind) { 303 case frontend::PluginAction: 304 case frontend::InheritanceView: 305 llvm_unreachable("Invalid kind!"); 306 307 case frontend::ASTDump: return "-ast-dump"; 308 case frontend::ASTPrint: return "-ast-print"; 309 case frontend::ASTPrintXML: return "-ast-print-xml"; 310 case frontend::ASTView: return "-ast-view"; 311 case frontend::BoostCon: return "-boostcon"; 312 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 313 case frontend::DumpTokens: return "-dump-tokens"; 314 case frontend::EmitAssembly: return "-S"; 315 case frontend::EmitBC: return "-emit-llvm-bc"; 316 case frontend::EmitHTML: return "-emit-html"; 317 case frontend::EmitLLVM: return "-emit-llvm"; 318 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 319 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 320 case frontend::EmitObj: return "-emit-obj"; 321 case frontend::FixIt: return "-fixit"; 322 case frontend::GeneratePCH: return "-emit-pch"; 323 case frontend::GeneratePTH: return "-emit-pth"; 324 case frontend::InitOnly: return "-init-only"; 325 case frontend::ParseNoop: return "-parse-noop"; 326 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 327 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 328 case frontend::PrintDeclContext: return "-print-decl-contexts"; 329 case frontend::PrintPreprocessedInput: return "-E"; 330 case frontend::RewriteMacros: return "-rewrite-macros"; 331 case frontend::RewriteObjC: return "-rewrite-objc"; 332 case frontend::RewriteTest: return "-rewrite-test"; 333 case frontend::RunAnalysis: return "-analyze"; 334 case frontend::RunPreprocessorOnly: return "-Eonly"; 335 } 336 337 llvm_unreachable("Unexpected language kind!"); 338 return 0; 339 } 340 341 static void FrontendOptsToArgs(const FrontendOptions &Opts, 342 std::vector<std::string> &Res) { 343 if (!Opts.DebugCodeCompletionPrinter) 344 Res.push_back("-no-code-completion-debug-printer"); 345 if (Opts.DisableFree) 346 Res.push_back("-disable-free"); 347 if (Opts.RelocatablePCH) 348 Res.push_back("-relocatable-pch"); 349 if (Opts.ShowHelp) 350 Res.push_back("-help"); 351 if (Opts.ShowMacrosInCodeCompletion) 352 Res.push_back("-code-completion-macros"); 353 if (Opts.ShowCodePatternsInCodeCompletion) 354 Res.push_back("-code-completion-patterns"); 355 if (Opts.ShowStats) 356 Res.push_back("-print-stats"); 357 if (Opts.ShowTimers) 358 Res.push_back("-ftime-report"); 359 if (Opts.ShowVersion) 360 Res.push_back("-version"); 361 362 bool NeedLang = false; 363 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 364 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 365 Opts.Inputs[i].first) 366 NeedLang = true; 367 if (NeedLang) { 368 Res.push_back("-x"); 369 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 370 } 371 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 372 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 373 "Unable to represent this input vector!"); 374 Res.push_back(Opts.Inputs[i].second); 375 } 376 377 if (!Opts.OutputFile.empty()) { 378 Res.push_back("-o"); 379 Res.push_back(Opts.OutputFile); 380 } 381 if (!Opts.ViewClassInheritance.empty()) { 382 Res.push_back("-cxx-inheritance-view"); 383 Res.push_back(Opts.ViewClassInheritance); 384 } 385 if (!Opts.CodeCompletionAt.FileName.empty()) { 386 Res.push_back("-code-completion-at"); 387 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 388 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 389 llvm::utostr(Opts.CodeCompletionAt.Column)); 390 } 391 if (Opts.ProgramAction != frontend::InheritanceView && 392 Opts.ProgramAction != frontend::PluginAction) 393 Res.push_back(getActionName(Opts.ProgramAction)); 394 if (!Opts.ActionName.empty()) { 395 Res.push_back("-plugin"); 396 Res.push_back(Opts.ActionName); 397 } 398 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 399 Res.push_back("-load"); 400 Res.push_back(Opts.Plugins[i]); 401 } 402 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 403 Res.push_back("-ast-merge"); 404 Res.push_back(Opts.ASTMergeFiles[i]); 405 } 406 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 407 Res.push_back("-mllvm"); 408 Res.push_back(Opts.LLVMArgs[i]); 409 } 410 } 411 412 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 413 std::vector<std::string> &Res) { 414 if (Opts.Sysroot != "/") { 415 Res.push_back("-isysroot"); 416 Res.push_back(Opts.Sysroot); 417 } 418 419 /// User specified include entries. 420 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 421 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 422 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 423 llvm::report_fatal_error("Invalid option set!"); 424 if (E.IsUserSupplied) { 425 if (E.Group == frontend::After) { 426 Res.push_back("-idirafter"); 427 } else if (E.Group == frontend::Quoted) { 428 Res.push_back("-iquote"); 429 } else if (E.Group == frontend::System) { 430 Res.push_back("-isystem"); 431 } else { 432 assert(E.Group == frontend::Angled && "Invalid group!"); 433 Res.push_back(E.IsFramework ? "-F" : "-I"); 434 } 435 } else { 436 if (E.Group != frontend::Angled && E.Group != frontend::System) 437 llvm::report_fatal_error("Invalid option set!"); 438 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 439 "-iwithprefix"); 440 } 441 Res.push_back(E.Path); 442 } 443 444 if (!Opts.EnvIncPath.empty()) { 445 // FIXME: Provide an option for this, and move env detection to driver. 446 llvm::report_fatal_error("Not yet implemented!"); 447 } 448 if (!Opts.CEnvIncPath.empty()) { 449 // FIXME: Provide an option for this, and move env detection to driver. 450 llvm::report_fatal_error("Not yet implemented!"); 451 } 452 if (!Opts.ObjCEnvIncPath.empty()) { 453 // FIXME: Provide an option for this, and move env detection to driver. 454 llvm::report_fatal_error("Not yet implemented!"); 455 } 456 if (!Opts.CXXEnvIncPath.empty()) { 457 // FIXME: Provide an option for this, and move env detection to driver. 458 llvm::report_fatal_error("Not yet implemented!"); 459 } 460 if (!Opts.ObjCXXEnvIncPath.empty()) { 461 // FIXME: Provide an option for this, and move env detection to driver. 462 llvm::report_fatal_error("Not yet implemented!"); 463 } 464 if (!Opts.ResourceDir.empty()) { 465 Res.push_back("-resource-dir"); 466 Res.push_back(Opts.ResourceDir); 467 } 468 if (!Opts.UseStandardIncludes) 469 Res.push_back("-nostdinc"); 470 if (!Opts.UseStandardCXXIncludes) 471 Res.push_back("-nostdinc++"); 472 if (Opts.Verbose) 473 Res.push_back("-v"); 474 } 475 476 static void LangOptsToArgs(const LangOptions &Opts, 477 std::vector<std::string> &Res) { 478 LangOptions DefaultLangOpts; 479 480 // FIXME: Need to set -std to get all the implicit options. 481 482 // FIXME: We want to only pass options relative to the defaults, which 483 // requires constructing a target. :( 484 // 485 // It would be better to push the all target specific choices into the driver, 486 // so that everything below that was more uniform. 487 488 if (Opts.Trigraphs) 489 Res.push_back("-trigraphs"); 490 // Implicit based on the input kind: 491 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 492 // Implicit based on the input language standard: 493 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 494 if (Opts.DollarIdents) 495 Res.push_back("-fdollars-in-identifiers"); 496 if (Opts.GNUMode && !Opts.GNUKeywords) 497 Res.push_back("-fno-gnu-keywords"); 498 if (!Opts.GNUMode && Opts.GNUKeywords) 499 Res.push_back("-fgnu-keywords"); 500 if (Opts.Microsoft) 501 Res.push_back("-fms-extensions"); 502 if (Opts.ObjCNonFragileABI) 503 Res.push_back("-fobjc-nonfragile-abi"); 504 if (Opts.ObjCNonFragileABI2) 505 Res.push_back("-fobjc-nonfragile-abi2"); 506 // NoInline is implicit. 507 if (!Opts.CXXOperatorNames) 508 Res.push_back("-fno-operator-names"); 509 if (Opts.PascalStrings) 510 Res.push_back("-fpascal-strings"); 511 if (Opts.CatchUndefined) 512 Res.push_back("-fcatch-undefined-behavior"); 513 if (Opts.WritableStrings) 514 Res.push_back("-fwritable-strings"); 515 if (Opts.ConstStrings) 516 Res.push_back("-Wwrite-strings"); 517 if (!Opts.LaxVectorConversions) 518 Res.push_back("-fno-lax-vector-conversions"); 519 if (Opts.AltiVec) 520 Res.push_back("-faltivec"); 521 if (Opts.Exceptions) 522 Res.push_back("-fexceptions"); 523 if (Opts.SjLjExceptions) 524 Res.push_back("-fsjlj-exceptions"); 525 if (!Opts.RTTI) 526 Res.push_back("-fno-rtti"); 527 if (!Opts.NeXTRuntime) 528 Res.push_back("-fgnu-runtime"); 529 if (Opts.Freestanding) 530 Res.push_back("-ffreestanding"); 531 if (Opts.NoBuiltin) 532 Res.push_back("-fno-builtin"); 533 if (!Opts.AssumeSaneOperatorNew) 534 Res.push_back("-fno-assume-sane-operator-new"); 535 if (!Opts.ThreadsafeStatics) 536 Res.push_back("-fno-threadsafe-statics"); 537 if (Opts.POSIXThreads) 538 Res.push_back("-pthread"); 539 if (Opts.Blocks) 540 Res.push_back("-fblocks"); 541 if (Opts.EmitAllDecls) 542 Res.push_back("-femit-all-decls"); 543 if (Opts.MathErrno) 544 Res.push_back("-fmath-errno"); 545 if (Opts.OverflowChecking) 546 Res.push_back("-ftrapv"); 547 if (Opts.HeinousExtensions) 548 Res.push_back("-fheinous-gnu-extensions"); 549 // Optimize is implicit. 550 // OptimizeSize is implicit. 551 if (Opts.Static) 552 Res.push_back("-static-define"); 553 if (Opts.DumpRecordLayouts) 554 Res.push_back("-fdump-record-layouts"); 555 if (Opts.DumpVTableLayouts) 556 Res.push_back("-fdump-vtable-layouts"); 557 if (Opts.NoBitFieldTypeAlign) 558 Res.push_back("-fno-bitfield-type-alignment"); 559 if (Opts.SjLjExceptions) 560 Res.push_back("-fsjlj-exceptions"); 561 if (Opts.PICLevel) { 562 Res.push_back("-pic-level"); 563 Res.push_back(llvm::utostr(Opts.PICLevel)); 564 } 565 if (Opts.ObjCGCBitmapPrint) 566 Res.push_back("-print-ivar-layout"); 567 if (Opts.NoConstantCFStrings) 568 Res.push_back("-fno-constant-cfstrings"); 569 if (!Opts.AccessControl) 570 Res.push_back("-fno-access-control"); 571 if (!Opts.CharIsSigned) 572 Res.push_back("-fno-signed-char"); 573 if (Opts.ShortWChar) 574 Res.push_back("-fshort-wchar"); 575 if (!Opts.ElideConstructors) 576 Res.push_back("-fno-elide-constructors"); 577 if (Opts.getGCMode() != LangOptions::NonGC) { 578 if (Opts.getGCMode() == LangOptions::HybridGC) { 579 Res.push_back("-fobjc-gc"); 580 } else { 581 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 582 Res.push_back("-fobjc-gc-only"); 583 } 584 } 585 if (Opts.getVisibilityMode() != LangOptions::Default) { 586 Res.push_back("-fvisibility"); 587 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 588 Res.push_back("hidden"); 589 } else { 590 assert(Opts.getVisibilityMode() == LangOptions::Protected && 591 "Invalid visibility!"); 592 Res.push_back("protected"); 593 } 594 } 595 if (Opts.getStackProtectorMode() != 0) { 596 Res.push_back("-stack-protector"); 597 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 598 } 599 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 600 Res.push_back("-ftemplate-depth"); 601 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 602 } 603 if (!Opts.ObjCConstantStringClass.empty()) { 604 Res.push_back("-fconstant-string-class"); 605 Res.push_back(Opts.ObjCConstantStringClass); 606 } 607 } 608 609 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 610 std::vector<std::string> &Res) { 611 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 612 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 613 Opts.Macros[i].first); 614 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 615 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 616 Res.push_back("-include"); 617 Res.push_back(Opts.Includes[i]); 618 } 619 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 620 Res.push_back("-imacros"); 621 Res.push_back(Opts.MacroIncludes[i]); 622 } 623 if (!Opts.UsePredefines) 624 Res.push_back("-undef"); 625 if (Opts.DetailedRecord) 626 Res.push_back("-detailed-preprocessing-record"); 627 if (!Opts.ImplicitPCHInclude.empty()) { 628 Res.push_back("-include-pch"); 629 Res.push_back(Opts.ImplicitPCHInclude); 630 } 631 if (!Opts.ImplicitPTHInclude.empty()) { 632 Res.push_back("-include-pth"); 633 Res.push_back(Opts.ImplicitPTHInclude); 634 } 635 if (!Opts.TokenCache.empty()) { 636 if (Opts.ImplicitPTHInclude.empty()) { 637 Res.push_back("-token-cache"); 638 Res.push_back(Opts.TokenCache); 639 } else 640 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 641 "Unsupported option combination!"); 642 } 643 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 644 Res.push_back("-remap-file"); 645 Res.push_back(Opts.RemappedFiles[i].first + ";" + 646 Opts.RemappedFiles[i].second); 647 } 648 } 649 650 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 651 std::vector<std::string> &Res) { 652 if (!Opts.ShowCPP && !Opts.ShowMacros) 653 llvm::report_fatal_error("Invalid option combination!"); 654 655 if (Opts.ShowCPP && Opts.ShowMacros) 656 Res.push_back("-dD"); 657 else if (!Opts.ShowCPP && Opts.ShowMacros) 658 Res.push_back("-dM"); 659 660 if (!Opts.ShowLineMarkers) 661 Res.push_back("-P"); 662 if (Opts.ShowComments) 663 Res.push_back("-C"); 664 if (Opts.ShowMacroComments) 665 Res.push_back("-CC"); 666 } 667 668 static void TargetOptsToArgs(const TargetOptions &Opts, 669 std::vector<std::string> &Res) { 670 Res.push_back("-triple"); 671 Res.push_back(Opts.Triple); 672 if (!Opts.CPU.empty()) { 673 Res.push_back("-target-cpu"); 674 Res.push_back(Opts.CPU); 675 } 676 if (!Opts.ABI.empty()) { 677 Res.push_back("-target-abi"); 678 Res.push_back(Opts.ABI); 679 } 680 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 681 Res.push_back("-target-feature"); 682 Res.push_back(Opts.Features[i]); 683 } 684 } 685 686 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 687 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 688 CodeGenOptsToArgs(getCodeGenOpts(), Res); 689 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 690 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 691 FrontendOptsToArgs(getFrontendOpts(), Res); 692 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 693 LangOptsToArgs(getLangOpts(), Res); 694 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 695 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 696 TargetOptsToArgs(getTargetOpts(), Res); 697 } 698 699 //===----------------------------------------------------------------------===// 700 // Deserialization (to args) 701 //===----------------------------------------------------------------------===// 702 703 using namespace clang::driver; 704 using namespace clang::driver::cc1options; 705 706 // 707 708 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 709 Diagnostic &Diags) { 710 using namespace cc1options; 711 712 Opts.AnalysisList.clear(); 713 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 714 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 715 #include "clang/Frontend/Analyses.def" 716 717 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 718 llvm::StringRef Name = A->getValue(Args); 719 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 720 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 721 .Case(CMDFLAG, NAME##Model) 722 #include "clang/Frontend/Analyses.def" 723 .Default(NumStores); 724 // FIXME: Error handling. 725 if (Value == NumStores) 726 Diags.Report(diag::err_drv_invalid_value) 727 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 728 else 729 Opts.AnalysisStoreOpt = Value; 730 } 731 732 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 733 llvm::StringRef Name = A->getValue(Args); 734 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 735 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 736 .Case(CMDFLAG, NAME##Model) 737 #include "clang/Frontend/Analyses.def" 738 .Default(NumConstraints); 739 // FIXME: Error handling. 740 if (Value == NumConstraints) 741 Diags.Report(diag::err_drv_invalid_value) 742 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 743 else 744 Opts.AnalysisConstraintsOpt = Value; 745 } 746 747 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 748 llvm::StringRef Name = A->getValue(Args); 749 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 750 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 751 .Case(CMDFLAG, PD_##NAME) 752 #include "clang/Frontend/Analyses.def" 753 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 754 // FIXME: Error handling. 755 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 756 Diags.Report(diag::err_drv_invalid_value) 757 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 758 else 759 Opts.AnalysisDiagOpt = Value; 760 } 761 762 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 763 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 764 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 765 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 766 Opts.AnalyzeNestedBlocks = 767 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 768 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 769 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 770 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 771 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 772 Opts.EnableExperimentalInternalChecks = 773 Args.hasArg(OPT_analyzer_experimental_internal_checks); 774 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 775 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 776 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 3, Diags); 777 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 778 } 779 780 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 781 Diagnostic &Diags) { 782 using namespace cc1options; 783 // -Os implies -O2 784 if (Args.hasArg(OPT_Os)) 785 Opts.OptimizationLevel = 2; 786 else { 787 Opts.OptimizationLevel = Args.getLastArgIntValue(OPT_O, 0, Diags); 788 if (Opts.OptimizationLevel > 3) { 789 Diags.Report(diag::err_drv_invalid_value) 790 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 791 Opts.OptimizationLevel = 3; 792 } 793 } 794 795 // We must always run at least the always inlining pass. 796 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 797 : CodeGenOptions::OnlyAlwaysInlining; 798 799 Opts.DebugInfo = Args.hasArg(OPT_g); 800 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 801 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 802 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 803 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 804 Opts.NoCommon = Args.hasArg(OPT_fno_common); 805 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 806 Opts.OptimizeSize = Args.hasArg(OPT_Os); 807 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 808 809 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 810 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 811 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 812 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 813 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 814 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 815 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 816 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 817 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 818 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 819 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 820 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 821 822 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 823 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 824 825 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 826 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 827 828 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 829 llvm::StringRef Name = A->getValue(Args); 830 unsigned Method = llvm::StringSwitch<unsigned>(Name) 831 .Case("legacy", CodeGenOptions::Legacy) 832 .Case("non-legacy", CodeGenOptions::NonLegacy) 833 .Case("mixed", CodeGenOptions::Mixed) 834 .Default(~0U); 835 if (Method == ~0U) 836 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 837 else 838 Opts.ObjCDispatchMethod = Method; 839 } 840 } 841 842 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 843 ArgList &Args) { 844 using namespace cc1options; 845 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 846 Opts.Targets = Args.getAllArgValues(OPT_MT); 847 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 848 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 849 } 850 851 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 852 Diagnostic &Diags) { 853 using namespace cc1options; 854 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 855 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 856 Opts.Pedantic = Args.hasArg(OPT_pedantic); 857 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 858 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 859 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 860 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 861 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 862 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 863 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 864 865 llvm::StringRef ShowCategory = 866 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 867 if (ShowCategory == "none") 868 Opts.ShowCategories = 0; 869 else if (ShowCategory == "id") 870 Opts.ShowCategories = 1; 871 else if (ShowCategory == "name") 872 Opts.ShowCategories = 2; 873 else 874 Diags.Report(diag::err_drv_invalid_value) 875 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 876 << ShowCategory; 877 878 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 879 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 880 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 881 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 882 Opts.MacroBacktraceLimit 883 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 884 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 885 Opts.TemplateBacktraceLimit 886 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 887 DiagnosticOptions::DefaultTemplateBacktraceLimit, 888 Diags); 889 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 890 DiagnosticOptions::DefaultTabStop, Diags); 891 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 892 Diags.Report(diag::warn_ignoring_ftabstop_value) 893 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 894 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 895 } 896 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 897 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 898 Opts.Warnings = Args.getAllArgValues(OPT_W); 899 } 900 901 static FrontendOptions::InputKind 902 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 903 using namespace cc1options; 904 Opts.ProgramAction = frontend::ParseSyntaxOnly; 905 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 906 switch (A->getOption().getID()) { 907 default: 908 assert(0 && "Invalid option in group!"); 909 case OPT_ast_dump: 910 Opts.ProgramAction = frontend::ASTDump; break; 911 case OPT_ast_print: 912 Opts.ProgramAction = frontend::ASTPrint; break; 913 case OPT_ast_print_xml: 914 Opts.ProgramAction = frontend::ASTPrintXML; break; 915 case OPT_ast_view: 916 Opts.ProgramAction = frontend::ASTView; break; 917 case OPT_boostcon: 918 Opts.ProgramAction = frontend::BoostCon; break; 919 case OPT_dump_raw_tokens: 920 Opts.ProgramAction = frontend::DumpRawTokens; break; 921 case OPT_dump_tokens: 922 Opts.ProgramAction = frontend::DumpTokens; break; 923 case OPT_S: 924 Opts.ProgramAction = frontend::EmitAssembly; break; 925 case OPT_emit_llvm_bc: 926 Opts.ProgramAction = frontend::EmitBC; break; 927 case OPT_emit_html: 928 Opts.ProgramAction = frontend::EmitHTML; break; 929 case OPT_emit_llvm: 930 Opts.ProgramAction = frontend::EmitLLVM; break; 931 case OPT_emit_llvm_only: 932 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 933 case OPT_emit_codegen_only: 934 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 935 case OPT_emit_obj: 936 Opts.ProgramAction = frontend::EmitObj; break; 937 case OPT_fixit_EQ: 938 Opts.FixItSuffix = A->getValue(Args); 939 // fall-through! 940 case OPT_fixit: 941 Opts.ProgramAction = frontend::FixIt; break; 942 case OPT_emit_pch: 943 Opts.ProgramAction = frontend::GeneratePCH; break; 944 case OPT_emit_pth: 945 Opts.ProgramAction = frontend::GeneratePTH; break; 946 case OPT_init_only: 947 Opts.ProgramAction = frontend::InitOnly; break; 948 case OPT_parse_noop: 949 Opts.ProgramAction = frontend::ParseNoop; break; 950 case OPT_parse_print_callbacks: 951 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 952 case OPT_fsyntax_only: 953 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 954 case OPT_print_decl_contexts: 955 Opts.ProgramAction = frontend::PrintDeclContext; break; 956 case OPT_E: 957 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 958 case OPT_rewrite_macros: 959 Opts.ProgramAction = frontend::RewriteMacros; break; 960 case OPT_rewrite_objc: 961 Opts.ProgramAction = frontend::RewriteObjC; break; 962 case OPT_rewrite_test: 963 Opts.ProgramAction = frontend::RewriteTest; break; 964 case OPT_analyze: 965 Opts.ProgramAction = frontend::RunAnalysis; break; 966 case OPT_Eonly: 967 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 968 } 969 } 970 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 971 Opts.ProgramAction = frontend::PluginAction; 972 Opts.ActionName = A->getValue(Args); 973 } 974 975 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 976 Opts.CodeCompletionAt = 977 ParsedSourceLocation::FromString(A->getValue(Args)); 978 if (Opts.CodeCompletionAt.FileName.empty()) 979 Diags.Report(diag::err_drv_invalid_value) 980 << A->getAsString(Args) << A->getValue(Args); 981 } 982 Opts.DebugCodeCompletionPrinter = 983 !Args.hasArg(OPT_no_code_completion_debug_printer); 984 Opts.DisableFree = Args.hasArg(OPT_disable_free); 985 986 Opts.OutputFile = Args.getLastArgValue(OPT_o); 987 Opts.Plugins = Args.getAllArgValues(OPT_load); 988 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 989 Opts.ShowHelp = Args.hasArg(OPT_help); 990 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 991 Opts.ShowCodePatternsInCodeCompletion 992 = Args.hasArg(OPT_code_completion_patterns); 993 Opts.ShowStats = Args.hasArg(OPT_print_stats); 994 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 995 Opts.ShowVersion = Args.hasArg(OPT_version); 996 Opts.ViewClassInheritance = Args.getLastArgValue(OPT_cxx_inheritance_view); 997 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 998 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 999 1000 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 1001 if (const Arg *A = Args.getLastArg(OPT_x)) { 1002 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 1003 .Case("c", FrontendOptions::IK_C) 1004 .Case("cl", FrontendOptions::IK_OpenCL) 1005 .Case("c", FrontendOptions::IK_C) 1006 .Case("cl", FrontendOptions::IK_OpenCL) 1007 .Case("c++", FrontendOptions::IK_CXX) 1008 .Case("objective-c", FrontendOptions::IK_ObjC) 1009 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 1010 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 1011 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 1012 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 1013 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 1014 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 1015 .Case("c-header", FrontendOptions::IK_C) 1016 .Case("objective-c-header", FrontendOptions::IK_ObjC) 1017 .Case("c++-header", FrontendOptions::IK_CXX) 1018 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 1019 .Case("ast", FrontendOptions::IK_AST) 1020 .Default(FrontendOptions::IK_None); 1021 if (DashX == FrontendOptions::IK_None) 1022 Diags.Report(diag::err_drv_invalid_value) 1023 << A->getAsString(Args) << A->getValue(Args); 1024 } 1025 1026 // '-' is the default input if none is given. 1027 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1028 Opts.Inputs.clear(); 1029 if (Inputs.empty()) 1030 Inputs.push_back("-"); 1031 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1032 FrontendOptions::InputKind IK = DashX; 1033 if (IK == FrontendOptions::IK_None) { 1034 IK = FrontendOptions::getInputKindForExtension( 1035 llvm::StringRef(Inputs[i]).rsplit('.').second); 1036 // FIXME: Remove this hack. 1037 if (i == 0) 1038 DashX = IK; 1039 } 1040 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1041 } 1042 1043 return DashX; 1044 } 1045 1046 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1047 void *MainAddr) { 1048 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1049 1050 if (!P.isEmpty()) { 1051 P.eraseComponent(); // Remove /clang from foo/bin/clang 1052 P.eraseComponent(); // Remove /bin from foo/bin 1053 1054 // Get foo/lib/clang/<version>/include 1055 P.appendComponent("lib"); 1056 P.appendComponent("clang"); 1057 P.appendComponent(CLANG_VERSION_STRING); 1058 } 1059 1060 return P.str(); 1061 } 1062 1063 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1064 using namespace cc1options; 1065 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1066 Opts.Verbose = Args.hasArg(OPT_v); 1067 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1068 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1069 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1070 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1071 1072 // Add -I... and -F... options in order. 1073 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1074 ie = Args.filtered_end(); it != ie; ++it) 1075 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 1076 /*IsFramework=*/ it->getOption().matches(OPT_F)); 1077 1078 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1079 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1080 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1081 OPT_iwithprefixbefore), 1082 ie = Args.filtered_end(); it != ie; ++it) { 1083 if (it->getOption().matches(OPT_iprefix)) 1084 Prefix = it->getValue(Args); 1085 else if (it->getOption().matches(OPT_iwithprefix)) 1086 Opts.AddPath(Prefix.str() + it->getValue(Args), 1087 frontend::System, false, false); 1088 else 1089 Opts.AddPath(Prefix.str() + it->getValue(Args), 1090 frontend::Angled, false, false); 1091 } 1092 1093 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1094 ie = Args.filtered_end(); it != ie; ++it) 1095 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1096 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1097 ie = Args.filtered_end(); it != ie; ++it) 1098 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1099 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1100 ie = Args.filtered_end(); it != ie; ++it) 1101 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1102 1103 // FIXME: Need options for the various environment variables! 1104 } 1105 1106 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1107 FrontendOptions::InputKind IK, 1108 Diagnostic &Diags) { 1109 // FIXME: Cleanup per-file based stuff. 1110 1111 // Set some properties which depend soley on the input kind; it would be nice 1112 // to move these to the language standard, and have the driver resolve the 1113 // input kind + language standard. 1114 if (IK == FrontendOptions::IK_Asm) { 1115 Opts.AsmPreprocessor = 1; 1116 } else if (IK == FrontendOptions::IK_ObjC || 1117 IK == FrontendOptions::IK_ObjCXX || 1118 IK == FrontendOptions::IK_PreprocessedObjC || 1119 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1120 Opts.ObjC1 = Opts.ObjC2 = 1; 1121 } 1122 1123 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1124 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1125 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1126 #define LANGSTANDARD(id, name, desc, features) \ 1127 .Case(name, LangStandard::lang_##id) 1128 #include "clang/Frontend/LangStandards.def" 1129 .Default(LangStandard::lang_unspecified); 1130 if (LangStd == LangStandard::lang_unspecified) 1131 Diags.Report(diag::err_drv_invalid_value) 1132 << A->getAsString(Args) << A->getValue(Args); 1133 } 1134 1135 if (LangStd == LangStandard::lang_unspecified) { 1136 // Based on the base language, pick one. 1137 switch (IK) { 1138 case FrontendOptions::IK_None: 1139 case FrontendOptions::IK_AST: 1140 assert(0 && "Invalid input kind!"); 1141 case FrontendOptions::IK_OpenCL: 1142 LangStd = LangStandard::lang_opencl; 1143 break; 1144 case FrontendOptions::IK_Asm: 1145 case FrontendOptions::IK_C: 1146 case FrontendOptions::IK_PreprocessedC: 1147 case FrontendOptions::IK_ObjC: 1148 case FrontendOptions::IK_PreprocessedObjC: 1149 LangStd = LangStandard::lang_gnu99; 1150 break; 1151 case FrontendOptions::IK_CXX: 1152 case FrontendOptions::IK_PreprocessedCXX: 1153 case FrontendOptions::IK_ObjCXX: 1154 case FrontendOptions::IK_PreprocessedObjCXX: 1155 LangStd = LangStandard::lang_gnucxx98; 1156 break; 1157 } 1158 } 1159 1160 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1161 Opts.BCPLComment = Std.hasBCPLComments(); 1162 Opts.C99 = Std.isC99(); 1163 Opts.CPlusPlus = Std.isCPlusPlus(); 1164 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1165 Opts.Digraphs = Std.hasDigraphs(); 1166 Opts.GNUMode = Std.isGNUMode(); 1167 Opts.GNUInline = !Std.isC99(); 1168 Opts.HexFloats = Std.hasHexFloats(); 1169 Opts.ImplicitInt = Std.hasImplicitInt(); 1170 1171 // OpenCL has some additional defaults. 1172 if (LangStd == LangStandard::lang_opencl) { 1173 Opts.OpenCL = 1; 1174 Opts.AltiVec = 1; 1175 Opts.CXXOperatorNames = 1; 1176 Opts.LaxVectorConversions = 1; 1177 } 1178 1179 // OpenCL and C++ both have bool, true, false keywords. 1180 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1181 1182 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1183 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1184 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1185 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1186 // name, as it doesn't seem a useful distinction. 1187 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1188 Opts.GNUMode); 1189 1190 if (Opts.CPlusPlus) 1191 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1192 1193 if (Args.hasArg(OPT_fobjc_gc_only)) 1194 Opts.setGCMode(LangOptions::GCOnly); 1195 else if (Args.hasArg(OPT_fobjc_gc)) 1196 Opts.setGCMode(LangOptions::HybridGC); 1197 1198 if (Args.hasArg(OPT_print_ivar_layout)) 1199 Opts.ObjCGCBitmapPrint = 1; 1200 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1201 Opts.NoConstantCFStrings = 1; 1202 1203 if (Args.hasArg(OPT_faltivec)) 1204 Opts.AltiVec = 1; 1205 1206 if (Args.hasArg(OPT_pthread)) 1207 Opts.POSIXThreads = 1; 1208 1209 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1210 if (Vis == "default") 1211 Opts.setVisibilityMode(LangOptions::Default); 1212 else if (Vis == "hidden") 1213 Opts.setVisibilityMode(LangOptions::Hidden); 1214 else if (Vis == "protected") 1215 Opts.setVisibilityMode(LangOptions::Protected); 1216 else 1217 Diags.Report(diag::err_drv_invalid_value) 1218 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1219 1220 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1221 1222 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1223 // is specified, or -std is set to a conforming mode. 1224 Opts.Trigraphs = !Opts.GNUMode; 1225 if (Args.hasArg(OPT_trigraphs)) 1226 Opts.Trigraphs = 1; 1227 1228 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1229 OPT_fno_dollars_in_identifiers, 1230 !Opts.AsmPreprocessor); 1231 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1232 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1233 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1234 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1235 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1236 Opts.LaxVectorConversions = 0; 1237 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1238 Opts.ThreadsafeStatics = 0; 1239 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1240 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1241 Opts.Blocks = Args.hasArg(OPT_fblocks); 1242 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1243 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1244 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1245 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1246 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1247 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1248 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1249 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1250 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1251 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1252 Diags); 1253 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1254 Opts.ObjCConstantStringClass = 1255 Args.getLastArgValue(OPT_fconstant_string_class); 1256 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1257 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1258 if (Opts.ObjCNonFragileABI2) 1259 Opts.ObjCNonFragileABI = true; 1260 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1261 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1262 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1263 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1264 Opts.Static = Args.hasArg(OPT_static_define); 1265 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1266 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1267 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1268 Opts.OptimizeSize = 0; 1269 1270 // FIXME: Eliminate this dependency. 1271 unsigned Opt = 1272 Args.hasArg(OPT_Os) ? 2 : Args.getLastArgIntValue(OPT_O, 0, Diags); 1273 Opts.Optimize = Opt != 0; 1274 1275 // This is the __NO_INLINE__ define, which just depends on things like the 1276 // optimization level and -fno-inline, not actually whether the backend has 1277 // inlining enabled. 1278 // 1279 // FIXME: This is affected by other options (-fno-inline). 1280 Opts.NoInline = !Opt; 1281 1282 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1283 switch (SSP) { 1284 default: 1285 Diags.Report(diag::err_drv_invalid_value) 1286 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1287 break; 1288 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1289 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1290 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1291 } 1292 } 1293 1294 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1295 Diagnostic &Diags) { 1296 using namespace cc1options; 1297 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1298 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1299 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1300 Opts.TokenCache = A->getValue(Args); 1301 else 1302 Opts.TokenCache = Opts.ImplicitPTHInclude; 1303 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1304 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1305 // Add macros from the command line. 1306 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1307 ie = Args.filtered_end(); it != ie; ++it) { 1308 if (it->getOption().matches(OPT_D)) 1309 Opts.addMacroDef(it->getValue(Args)); 1310 else 1311 Opts.addMacroUndef(it->getValue(Args)); 1312 } 1313 1314 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1315 1316 // Add the ordered list of -includes. 1317 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1318 OPT_include_pth), 1319 ie = Args.filtered_end(); it != ie; ++it) { 1320 // PCH is handled specially, we need to extra the original include path. 1321 if (it->getOption().matches(OPT_include_pch)) { 1322 std::string OriginalFile = 1323 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1324 if (OriginalFile.empty()) 1325 continue; 1326 1327 Opts.Includes.push_back(OriginalFile); 1328 } else 1329 Opts.Includes.push_back(it->getValue(Args)); 1330 } 1331 1332 // Include 'altivec.h' if -faltivec option present 1333 if (Args.hasArg(OPT_faltivec)) 1334 Opts.Includes.push_back("altivec.h"); 1335 1336 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1337 ie = Args.filtered_end(); it != ie; ++it) { 1338 std::pair<llvm::StringRef,llvm::StringRef> Split = 1339 llvm::StringRef(it->getValue(Args)).split(';'); 1340 1341 if (Split.second.empty()) { 1342 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1343 continue; 1344 } 1345 1346 Opts.addRemappedFile(Split.first, Split.second); 1347 } 1348 } 1349 1350 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1351 ArgList &Args) { 1352 using namespace cc1options; 1353 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1354 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1355 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1356 Opts.ShowComments = Args.hasArg(OPT_C); 1357 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1358 } 1359 1360 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1361 using namespace cc1options; 1362 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1363 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1364 Opts.Triple = Args.getLastArgValue(OPT_triple); 1365 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1366 1367 // Use the host triple if unspecified. 1368 if (Opts.Triple.empty()) 1369 Opts.Triple = llvm::sys::getHostTriple(); 1370 } 1371 1372 // 1373 1374 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1375 const char **ArgBegin, 1376 const char **ArgEnd, 1377 Diagnostic &Diags) { 1378 // Parse the arguments. 1379 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1380 unsigned MissingArgIndex, MissingArgCount; 1381 llvm::OwningPtr<InputArgList> Args( 1382 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1383 1384 // Check for missing argument error. 1385 if (MissingArgCount) 1386 Diags.Report(diag::err_drv_missing_argument) 1387 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1388 1389 // Issue errors on unknown arguments. 1390 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1391 ie = Args->filtered_end(); it != ie; ++it) 1392 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1393 1394 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1395 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1396 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1397 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1398 FrontendOptions::InputKind DashX = 1399 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1400 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1401 if (DashX != FrontendOptions::IK_AST) 1402 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1403 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1404 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1405 ParseTargetArgs(Res.getTargetOpts(), *Args); 1406 } 1407