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.ErrorLimit) { 247 Res.push_back("-ferror-limit"); 248 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 249 } 250 if (Opts.TemplateBacktraceLimit != 10) { 251 Res.push_back("-ftemplate-backtrace-limit"); 252 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 253 } 254 255 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 256 Res.push_back("-ftabstop"); 257 Res.push_back(llvm::utostr(Opts.TabStop)); 258 } 259 if (Opts.MessageLength) { 260 Res.push_back("-fmessage-length"); 261 Res.push_back(llvm::utostr(Opts.MessageLength)); 262 } 263 if (!Opts.DumpBuildInformation.empty()) { 264 Res.push_back("-dump-build-information"); 265 Res.push_back(Opts.DumpBuildInformation); 266 } 267 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 268 Res.push_back("-W" + Opts.Warnings[i]); 269 } 270 271 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 272 switch (Kind) { 273 case FrontendOptions::IK_None: break; 274 case FrontendOptions::IK_AST: return "ast"; 275 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 276 case FrontendOptions::IK_C: return "c"; 277 case FrontendOptions::IK_CXX: return "c++"; 278 case FrontendOptions::IK_ObjC: return "objective-c"; 279 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 280 case FrontendOptions::IK_OpenCL: return "cl"; 281 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 282 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 283 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 284 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 285 } 286 287 llvm_unreachable("Unexpected language kind!"); 288 return 0; 289 } 290 291 static const char *getActionName(frontend::ActionKind Kind) { 292 switch (Kind) { 293 case frontend::PluginAction: 294 case frontend::InheritanceView: 295 llvm_unreachable("Invalid kind!"); 296 297 case frontend::ASTDump: return "-ast-dump"; 298 case frontend::ASTPrint: return "-ast-print"; 299 case frontend::ASTPrintXML: return "-ast-print-xml"; 300 case frontend::ASTView: return "-ast-view"; 301 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 302 case frontend::DumpTokens: return "-dump-tokens"; 303 case frontend::EmitAssembly: return "-S"; 304 case frontend::EmitBC: return "-emit-llvm-bc"; 305 case frontend::EmitHTML: return "-emit-html"; 306 case frontend::EmitLLVM: return "-emit-llvm"; 307 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 308 case frontend::EmitObj: return "-emit-obj"; 309 case frontend::FixIt: return "-fixit"; 310 case frontend::GeneratePCH: return "-emit-pch"; 311 case frontend::GeneratePTH: return "-emit-pth"; 312 case frontend::InitOnly: return "-init-only"; 313 case frontend::ParseNoop: return "-parse-noop"; 314 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 315 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 316 case frontend::PrintDeclContext: return "-print-decl-contexts"; 317 case frontend::PrintPreprocessedInput: return "-E"; 318 case frontend::RewriteMacros: return "-rewrite-macros"; 319 case frontend::RewriteObjC: return "-rewrite-objc"; 320 case frontend::RewriteTest: return "-rewrite-test"; 321 case frontend::RunAnalysis: return "-analyze"; 322 case frontend::RunPreprocessorOnly: return "-Eonly"; 323 } 324 325 llvm_unreachable("Unexpected language kind!"); 326 return 0; 327 } 328 329 static void FrontendOptsToArgs(const FrontendOptions &Opts, 330 std::vector<std::string> &Res) { 331 if (!Opts.DebugCodeCompletionPrinter) 332 Res.push_back("-no-code-completion-debug-printer"); 333 if (Opts.DisableFree) 334 Res.push_back("-disable-free"); 335 if (Opts.RelocatablePCH) 336 Res.push_back("-relocatable-pch"); 337 if (Opts.ShowHelp) 338 Res.push_back("-help"); 339 if (Opts.ShowMacrosInCodeCompletion) 340 Res.push_back("-code-completion-macros"); 341 if (Opts.ShowStats) 342 Res.push_back("-print-stats"); 343 if (Opts.ShowTimers) 344 Res.push_back("-ftime-report"); 345 if (Opts.ShowVersion) 346 Res.push_back("-version"); 347 348 bool NeedLang = false; 349 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 350 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 351 Opts.Inputs[i].first) 352 NeedLang = true; 353 if (NeedLang) { 354 Res.push_back("-x"); 355 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 356 } 357 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 358 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 359 "Unable to represent this input vector!"); 360 Res.push_back(Opts.Inputs[i].second); 361 } 362 363 if (!Opts.OutputFile.empty()) { 364 Res.push_back("-o"); 365 Res.push_back(Opts.OutputFile); 366 } 367 if (!Opts.ViewClassInheritance.empty()) { 368 Res.push_back("-cxx-inheritance-view"); 369 Res.push_back(Opts.ViewClassInheritance); 370 } 371 if (!Opts.CodeCompletionAt.FileName.empty()) { 372 Res.push_back("-code-completion-at"); 373 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 374 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 375 llvm::utostr(Opts.CodeCompletionAt.Column)); 376 } 377 if (Opts.ProgramAction != frontend::InheritanceView && 378 Opts.ProgramAction != frontend::PluginAction) 379 Res.push_back(getActionName(Opts.ProgramAction)); 380 if (!Opts.ActionName.empty()) { 381 Res.push_back("-plugin"); 382 Res.push_back(Opts.ActionName); 383 } 384 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 385 Res.push_back("-load"); 386 Res.push_back(Opts.Plugins[i]); 387 } 388 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 389 Res.push_back("-ast-merge"); 390 Res.push_back(Opts.ASTMergeFiles[i]); 391 } 392 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 393 Res.push_back("-mllvm"); 394 Res.push_back(Opts.LLVMArgs[i]); 395 } 396 } 397 398 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 399 std::vector<std::string> &Res) { 400 if (Opts.Sysroot != "/") { 401 Res.push_back("-isysroot"); 402 Res.push_back(Opts.Sysroot); 403 } 404 405 /// User specified include entries. 406 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 407 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 408 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 409 llvm::report_fatal_error("Invalid option set!"); 410 if (E.IsUserSupplied) { 411 if (E.Group == frontend::After) { 412 Res.push_back("-idirafter"); 413 } else if (E.Group == frontend::Quoted) { 414 Res.push_back("-iquote"); 415 } else if (E.Group == frontend::System) { 416 Res.push_back("-isystem"); 417 } else { 418 assert(E.Group == frontend::Angled && "Invalid group!"); 419 Res.push_back(E.IsFramework ? "-F" : "-I"); 420 } 421 } else { 422 if (E.Group != frontend::Angled && E.Group != frontend::System) 423 llvm::report_fatal_error("Invalid option set!"); 424 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 425 "-iwithprefix"); 426 } 427 Res.push_back(E.Path); 428 } 429 430 if (!Opts.EnvIncPath.empty()) { 431 // FIXME: Provide an option for this, and move env detection to driver. 432 llvm::report_fatal_error("Not yet implemented!"); 433 } 434 if (!Opts.CEnvIncPath.empty()) { 435 // FIXME: Provide an option for this, and move env detection to driver. 436 llvm::report_fatal_error("Not yet implemented!"); 437 } 438 if (!Opts.ObjCEnvIncPath.empty()) { 439 // FIXME: Provide an option for this, and move env detection to driver. 440 llvm::report_fatal_error("Not yet implemented!"); 441 } 442 if (!Opts.CXXEnvIncPath.empty()) { 443 // FIXME: Provide an option for this, and move env detection to driver. 444 llvm::report_fatal_error("Not yet implemented!"); 445 } 446 if (!Opts.ObjCXXEnvIncPath.empty()) { 447 // FIXME: Provide an option for this, and move env detection to driver. 448 llvm::report_fatal_error("Not yet implemented!"); 449 } 450 if (!Opts.ResourceDir.empty()) { 451 Res.push_back("-resource-dir"); 452 Res.push_back(Opts.ResourceDir); 453 } 454 if (!Opts.UseStandardIncludes) 455 Res.push_back("-nostdinc"); 456 if (!Opts.UseStandardCXXIncludes) 457 Res.push_back("-nostdinc++"); 458 if (Opts.Verbose) 459 Res.push_back("-v"); 460 } 461 462 static void LangOptsToArgs(const LangOptions &Opts, 463 std::vector<std::string> &Res) { 464 LangOptions DefaultLangOpts; 465 466 // FIXME: Need to set -std to get all the implicit options. 467 468 // FIXME: We want to only pass options relative to the defaults, which 469 // requires constructing a target. :( 470 // 471 // It would be better to push the all target specific choices into the driver, 472 // so that everything below that was more uniform. 473 474 if (Opts.Trigraphs) 475 Res.push_back("-trigraphs"); 476 // Implicit based on the input kind: 477 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 478 // Implicit based on the input language standard: 479 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 480 if (Opts.DollarIdents) 481 Res.push_back("-fdollars-in-identifiers"); 482 if (Opts.GNUMode && !Opts.GNUKeywords) 483 Res.push_back("-fno-gnu-keywords"); 484 if (!Opts.GNUMode && Opts.GNUKeywords) 485 Res.push_back("-fgnu-keywords"); 486 if (Opts.Microsoft) 487 Res.push_back("-fms-extensions"); 488 if (Opts.ObjCNonFragileABI) 489 Res.push_back("-fobjc-nonfragile-abi"); 490 if (Opts.ObjCNonFragileABI2) 491 Res.push_back("-fobjc-nonfragile-abi2"); 492 // NoInline is implicit. 493 if (!Opts.CXXOperatorNames) 494 Res.push_back("-fno-operator-names"); 495 if (Opts.PascalStrings) 496 Res.push_back("-fpascal-strings"); 497 if (Opts.CatchUndefined) 498 Res.push_back("-fcatch-undefined-behavior"); 499 if (Opts.WritableStrings) 500 Res.push_back("-fwritable-strings"); 501 if (Opts.ConstStrings) 502 Res.push_back("-Wwrite-strings"); 503 if (!Opts.LaxVectorConversions) 504 Res.push_back("-fno-lax-vector-conversions"); 505 if (Opts.AltiVec) 506 Res.push_back("-faltivec"); 507 if (Opts.Exceptions) 508 Res.push_back("-fexceptions"); 509 if (Opts.SjLjExceptions) 510 Res.push_back("-fsjlj-exceptions"); 511 if (!Opts.RTTI) 512 Res.push_back("-fno-rtti"); 513 if (!Opts.NeXTRuntime) 514 Res.push_back("-fgnu-runtime"); 515 if (Opts.Freestanding) 516 Res.push_back("-ffreestanding"); 517 if (Opts.NoBuiltin) 518 Res.push_back("-fno-builtin"); 519 if (!Opts.AssumeSaneOperatorNew) 520 Res.push_back("-fno-assume-sane-operator-new"); 521 if (!Opts.ThreadsafeStatics) 522 Res.push_back("-fno-threadsafe-statics"); 523 if (Opts.POSIXThreads) 524 Res.push_back("-pthread"); 525 if (Opts.Blocks) 526 Res.push_back("-fblocks"); 527 if (Opts.EmitAllDecls) 528 Res.push_back("-femit-all-decls"); 529 if (Opts.MathErrno) 530 Res.push_back("-fmath-errno"); 531 if (Opts.OverflowChecking) 532 Res.push_back("-ftrapv"); 533 if (Opts.HeinousExtensions) 534 Res.push_back("-fheinous-gnu-extensions"); 535 // Optimize is implicit. 536 // OptimizeSize is implicit. 537 if (Opts.Static) 538 Res.push_back("-static-define"); 539 if (Opts.DumpRecordLayouts) 540 Res.push_back("-fdump-record-layouts"); 541 if (Opts.DumpVTableLayouts) 542 Res.push_back("-fdump-vtable-layouts"); 543 if (Opts.NoBitFieldTypeAlign) 544 Res.push_back("-fno-bitfield-type-alignment"); 545 if (Opts.SjLjExceptions) 546 Res.push_back("-fsjlj-exceptions"); 547 if (Opts.PICLevel) { 548 Res.push_back("-pic-level"); 549 Res.push_back(llvm::utostr(Opts.PICLevel)); 550 } 551 if (Opts.ObjCGCBitmapPrint) 552 Res.push_back("-print-ivar-layout"); 553 if (Opts.NoConstantCFStrings) 554 Res.push_back("-fno-constant-cfstrings"); 555 if (!Opts.AccessControl) 556 Res.push_back("-fno-access-control"); 557 if (!Opts.CharIsSigned) 558 Res.push_back("-fno-signed-char"); 559 if (Opts.ShortWChar) 560 Res.push_back("-fshort-wchar"); 561 if (!Opts.ElideConstructors) 562 Res.push_back("-fno-elide-constructors"); 563 if (Opts.getGCMode() != LangOptions::NonGC) { 564 if (Opts.getGCMode() == LangOptions::HybridGC) { 565 Res.push_back("-fobjc-gc"); 566 } else { 567 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 568 Res.push_back("-fobjc-gc-only"); 569 } 570 } 571 if (Opts.getVisibilityMode() != LangOptions::Default) { 572 Res.push_back("-fvisibility"); 573 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 574 Res.push_back("hidden"); 575 } else { 576 assert(Opts.getVisibilityMode() == LangOptions::Protected && 577 "Invalid visibility!"); 578 Res.push_back("protected"); 579 } 580 } 581 if (Opts.getStackProtectorMode() != 0) { 582 Res.push_back("-stack-protector"); 583 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 584 } 585 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 586 Res.push_back("-ftemplate-depth"); 587 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 588 } 589 if (!Opts.ObjCConstantStringClass.empty()) { 590 Res.push_back("-fconstant-string-class"); 591 Res.push_back(Opts.ObjCConstantStringClass); 592 } 593 } 594 595 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 596 std::vector<std::string> &Res) { 597 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 598 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 599 Opts.Macros[i].first); 600 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 601 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 602 Res.push_back("-include"); 603 Res.push_back(Opts.Includes[i]); 604 } 605 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 606 Res.push_back("-imacros"); 607 Res.push_back(Opts.MacroIncludes[i]); 608 } 609 if (!Opts.UsePredefines) 610 Res.push_back("-undef"); 611 if (Opts.DetailedRecord) 612 Res.push_back("-detailed-preprocessing-record"); 613 if (!Opts.ImplicitPCHInclude.empty()) { 614 Res.push_back("-include-pch"); 615 Res.push_back(Opts.ImplicitPCHInclude); 616 } 617 if (!Opts.ImplicitPTHInclude.empty()) { 618 Res.push_back("-include-pth"); 619 Res.push_back(Opts.ImplicitPTHInclude); 620 } 621 if (!Opts.TokenCache.empty()) { 622 if (Opts.ImplicitPTHInclude.empty()) { 623 Res.push_back("-token-cache"); 624 Res.push_back(Opts.TokenCache); 625 } else 626 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 627 "Unsupported option combination!"); 628 } 629 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 630 Res.push_back("-remap-file"); 631 Res.push_back(Opts.RemappedFiles[i].first + ";" + 632 Opts.RemappedFiles[i].second); 633 } 634 } 635 636 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 637 std::vector<std::string> &Res) { 638 if (!Opts.ShowCPP && !Opts.ShowMacros) 639 llvm::report_fatal_error("Invalid option combination!"); 640 641 if (Opts.ShowCPP && Opts.ShowMacros) 642 Res.push_back("-dD"); 643 else if (!Opts.ShowCPP && Opts.ShowMacros) 644 Res.push_back("-dM"); 645 646 if (!Opts.ShowLineMarkers) 647 Res.push_back("-P"); 648 if (Opts.ShowComments) 649 Res.push_back("-C"); 650 if (Opts.ShowMacroComments) 651 Res.push_back("-CC"); 652 } 653 654 static void TargetOptsToArgs(const TargetOptions &Opts, 655 std::vector<std::string> &Res) { 656 Res.push_back("-triple"); 657 Res.push_back(Opts.Triple); 658 if (!Opts.CPU.empty()) { 659 Res.push_back("-target-cpu"); 660 Res.push_back(Opts.CPU); 661 } 662 if (!Opts.ABI.empty()) { 663 Res.push_back("-target-abi"); 664 Res.push_back(Opts.ABI); 665 } 666 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 667 Res.push_back("-target-feature"); 668 Res.push_back(Opts.Features[i]); 669 } 670 } 671 672 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 673 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 674 CodeGenOptsToArgs(getCodeGenOpts(), Res); 675 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 676 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 677 FrontendOptsToArgs(getFrontendOpts(), Res); 678 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 679 LangOptsToArgs(getLangOpts(), Res); 680 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 681 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 682 TargetOptsToArgs(getTargetOpts(), Res); 683 } 684 685 //===----------------------------------------------------------------------===// 686 // Deserialization (to args) 687 //===----------------------------------------------------------------------===// 688 689 using namespace clang::driver; 690 using namespace clang::driver::cc1options; 691 692 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 693 llvm::StringRef Default = "") { 694 if (Arg *A = Args.getLastArg(ID)) 695 return A->getValue(Args); 696 return Default; 697 } 698 699 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 700 int Default, Diagnostic &Diags) { 701 Arg *A = Args.getLastArg(ID); 702 if (!A) 703 return Default; 704 705 int Res = Default; 706 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 707 Diags.Report(diag::err_drv_invalid_int_value) 708 << A->getAsString(Args) << A->getValue(Args); 709 710 return Res; 711 } 712 713 static std::vector<std::string> 714 getAllArgValues(ArgList &Args, cc1options::ID ID) { 715 llvm::SmallVector<const char *, 16> Values; 716 Args.AddAllArgValues(Values, ID); 717 return std::vector<std::string>(Values.begin(), Values.end()); 718 } 719 720 // 721 722 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 723 Diagnostic &Diags) { 724 using namespace cc1options; 725 726 Opts.AnalysisList.clear(); 727 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 728 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 729 #include "clang/Frontend/Analyses.def" 730 731 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 732 llvm::StringRef Name = A->getValue(Args); 733 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 734 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 735 .Case(CMDFLAG, NAME##Model) 736 #include "clang/Frontend/Analyses.def" 737 .Default(NumStores); 738 // FIXME: Error handling. 739 if (Value == NumStores) 740 Diags.Report(diag::err_drv_invalid_value) 741 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 742 else 743 Opts.AnalysisStoreOpt = Value; 744 } 745 746 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 747 llvm::StringRef Name = A->getValue(Args); 748 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 749 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 750 .Case(CMDFLAG, NAME##Model) 751 #include "clang/Frontend/Analyses.def" 752 .Default(NumConstraints); 753 // FIXME: Error handling. 754 if (Value == NumConstraints) 755 Diags.Report(diag::err_drv_invalid_value) 756 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 757 else 758 Opts.AnalysisConstraintsOpt = Value; 759 } 760 761 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 762 llvm::StringRef Name = A->getValue(Args); 763 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 764 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 765 .Case(CMDFLAG, PD_##NAME) 766 #include "clang/Frontend/Analyses.def" 767 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 768 // FIXME: Error handling. 769 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 770 Diags.Report(diag::err_drv_invalid_value) 771 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 772 else 773 Opts.AnalysisDiagOpt = Value; 774 } 775 776 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 777 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 778 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 779 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 780 Opts.AnalyzeNestedBlocks = 781 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 782 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 783 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 784 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 785 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 786 Opts.EnableExperimentalInternalChecks = 787 Args.hasArg(OPT_analyzer_experimental_internal_checks); 788 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 789 Opts.MaxNodes = getLastArgIntValue(Args, OPT_analyzer_max_nodes,150000,Diags); 790 } 791 792 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 793 Diagnostic &Diags) { 794 using namespace cc1options; 795 // -Os implies -O2 796 if (Args.hasArg(OPT_Os)) 797 Opts.OptimizationLevel = 2; 798 else { 799 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 800 if (Opts.OptimizationLevel > 3) { 801 Diags.Report(diag::err_drv_invalid_value) 802 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 803 Opts.OptimizationLevel = 3; 804 } 805 } 806 807 // We must always run at least the always inlining pass. 808 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 809 : CodeGenOptions::OnlyAlwaysInlining; 810 811 Opts.DebugInfo = Args.hasArg(OPT_g); 812 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 813 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 814 Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags); 815 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 816 Opts.NoCommon = Args.hasArg(OPT_fno_common); 817 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 818 Opts.OptimizeSize = Args.hasArg(OPT_Os); 819 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 820 821 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 822 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 823 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 824 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 825 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 826 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 827 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 828 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 829 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 830 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 831 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 832 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 833 834 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 835 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 836 837 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 838 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 839 840 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 841 llvm::StringRef Name = A->getValue(Args); 842 unsigned Method = llvm::StringSwitch<unsigned>(Name) 843 .Case("legacy", CodeGenOptions::Legacy) 844 .Case("non-legacy", CodeGenOptions::NonLegacy) 845 .Case("mixed", CodeGenOptions::Mixed) 846 .Default(~0U); 847 if (Method == ~0U) 848 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 849 else 850 Opts.ObjCDispatchMethod = Method; 851 } 852 } 853 854 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 855 ArgList &Args) { 856 using namespace cc1options; 857 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 858 Opts.Targets = getAllArgValues(Args, OPT_MT); 859 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 860 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 861 } 862 863 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 864 Diagnostic &Diags) { 865 using namespace cc1options; 866 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 867 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 868 Opts.Pedantic = Args.hasArg(OPT_pedantic); 869 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 870 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 871 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 872 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 873 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 874 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 875 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 876 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 877 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 878 Opts.BinaryOutput = Args.hasArg(OPT_fdiagnostics_binary); 879 Opts.ErrorLimit = getLastArgIntValue(Args, OPT_ferror_limit, 0, Diags); 880 Opts.TemplateBacktraceLimit 881 = getLastArgIntValue(Args, OPT_ftemplate_backtrace_limit, 0, Diags); 882 Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop, 883 DiagnosticOptions::DefaultTabStop, Diags); 884 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 885 Diags.Report(diag::warn_ignoring_ftabstop_value) 886 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 887 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 888 } 889 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 890 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 891 Opts.Warnings = getAllArgValues(Args, OPT_W); 892 } 893 894 static FrontendOptions::InputKind 895 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 896 using namespace cc1options; 897 Opts.ProgramAction = frontend::ParseSyntaxOnly; 898 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 899 switch (A->getOption().getID()) { 900 default: 901 assert(0 && "Invalid option in group!"); 902 case OPT_ast_dump: 903 Opts.ProgramAction = frontend::ASTDump; break; 904 case OPT_ast_print: 905 Opts.ProgramAction = frontend::ASTPrint; break; 906 case OPT_ast_print_xml: 907 Opts.ProgramAction = frontend::ASTPrintXML; break; 908 case OPT_ast_view: 909 Opts.ProgramAction = frontend::ASTView; break; 910 case OPT_dump_raw_tokens: 911 Opts.ProgramAction = frontend::DumpRawTokens; break; 912 case OPT_dump_tokens: 913 Opts.ProgramAction = frontend::DumpTokens; break; 914 case OPT_S: 915 Opts.ProgramAction = frontend::EmitAssembly; break; 916 case OPT_emit_llvm_bc: 917 Opts.ProgramAction = frontend::EmitBC; break; 918 case OPT_emit_html: 919 Opts.ProgramAction = frontend::EmitHTML; break; 920 case OPT_emit_llvm: 921 Opts.ProgramAction = frontend::EmitLLVM; break; 922 case OPT_emit_llvm_only: 923 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 924 case OPT_emit_obj: 925 Opts.ProgramAction = frontend::EmitObj; break; 926 case OPT_fixit_EQ: 927 Opts.FixItSuffix = A->getValue(Args); 928 // fall-through! 929 case OPT_fixit: 930 Opts.ProgramAction = frontend::FixIt; break; 931 case OPT_emit_pch: 932 Opts.ProgramAction = frontend::GeneratePCH; break; 933 case OPT_emit_pth: 934 Opts.ProgramAction = frontend::GeneratePTH; break; 935 case OPT_init_only: 936 Opts.ProgramAction = frontend::InitOnly; break; 937 case OPT_parse_noop: 938 Opts.ProgramAction = frontend::ParseNoop; break; 939 case OPT_parse_print_callbacks: 940 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 941 case OPT_fsyntax_only: 942 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 943 case OPT_print_decl_contexts: 944 Opts.ProgramAction = frontend::PrintDeclContext; break; 945 case OPT_E: 946 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 947 case OPT_rewrite_macros: 948 Opts.ProgramAction = frontend::RewriteMacros; break; 949 case OPT_rewrite_objc: 950 Opts.ProgramAction = frontend::RewriteObjC; break; 951 case OPT_rewrite_test: 952 Opts.ProgramAction = frontend::RewriteTest; break; 953 case OPT_analyze: 954 Opts.ProgramAction = frontend::RunAnalysis; break; 955 case OPT_Eonly: 956 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 957 } 958 } 959 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 960 Opts.ProgramAction = frontend::PluginAction; 961 Opts.ActionName = A->getValue(Args); 962 } 963 964 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 965 Opts.CodeCompletionAt = 966 ParsedSourceLocation::FromString(A->getValue(Args)); 967 if (Opts.CodeCompletionAt.FileName.empty()) 968 Diags.Report(diag::err_drv_invalid_value) 969 << A->getAsString(Args) << A->getValue(Args); 970 } 971 Opts.DebugCodeCompletionPrinter = 972 !Args.hasArg(OPT_no_code_completion_debug_printer); 973 Opts.DisableFree = Args.hasArg(OPT_disable_free); 974 975 Opts.OutputFile = getLastArgValue(Args, OPT_o); 976 Opts.Plugins = getAllArgValues(Args, OPT_load); 977 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 978 Opts.ShowHelp = Args.hasArg(OPT_help); 979 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 980 Opts.ShowStats = Args.hasArg(OPT_print_stats); 981 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 982 Opts.ShowVersion = Args.hasArg(OPT_version); 983 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 984 Opts.ASTMergeFiles = getAllArgValues(Args, OPT_ast_merge); 985 Opts.LLVMArgs = getAllArgValues(Args, OPT_mllvm); 986 987 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 988 if (const Arg *A = Args.getLastArg(OPT_x)) { 989 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 990 .Case("c", FrontendOptions::IK_C) 991 .Case("cl", FrontendOptions::IK_OpenCL) 992 .Case("c", FrontendOptions::IK_C) 993 .Case("cl", FrontendOptions::IK_OpenCL) 994 .Case("c++", FrontendOptions::IK_CXX) 995 .Case("objective-c", FrontendOptions::IK_ObjC) 996 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 997 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 998 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 999 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 1000 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 1001 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 1002 .Case("c-header", FrontendOptions::IK_C) 1003 .Case("objective-c-header", FrontendOptions::IK_ObjC) 1004 .Case("c++-header", FrontendOptions::IK_CXX) 1005 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 1006 .Case("ast", FrontendOptions::IK_AST) 1007 .Default(FrontendOptions::IK_None); 1008 if (DashX == FrontendOptions::IK_None) 1009 Diags.Report(diag::err_drv_invalid_value) 1010 << A->getAsString(Args) << A->getValue(Args); 1011 } 1012 1013 // '-' is the default input if none is given. 1014 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 1015 Opts.Inputs.clear(); 1016 if (Inputs.empty()) 1017 Inputs.push_back("-"); 1018 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1019 FrontendOptions::InputKind IK = DashX; 1020 if (IK == FrontendOptions::IK_None) { 1021 IK = FrontendOptions::getInputKindForExtension( 1022 llvm::StringRef(Inputs[i]).rsplit('.').second); 1023 // FIXME: Remove this hack. 1024 if (i == 0) 1025 DashX = IK; 1026 } 1027 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1028 } 1029 1030 return DashX; 1031 } 1032 1033 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1034 void *MainAddr) { 1035 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1036 1037 if (!P.isEmpty()) { 1038 P.eraseComponent(); // Remove /clang from foo/bin/clang 1039 P.eraseComponent(); // Remove /bin from foo/bin 1040 1041 // Get foo/lib/clang/<version>/include 1042 P.appendComponent("lib"); 1043 P.appendComponent("clang"); 1044 P.appendComponent(CLANG_VERSION_STRING); 1045 } 1046 1047 return P.str(); 1048 } 1049 1050 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1051 using namespace cc1options; 1052 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 1053 Opts.Verbose = Args.hasArg(OPT_v); 1054 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1055 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1056 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1057 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 1058 1059 // Add -I... and -F... options in order. 1060 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1061 ie = Args.filtered_end(); it != ie; ++it) 1062 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 1063 /*IsFramework=*/ it->getOption().matches(OPT_F)); 1064 1065 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1066 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1067 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1068 OPT_iwithprefixbefore), 1069 ie = Args.filtered_end(); it != ie; ++it) { 1070 if (it->getOption().matches(OPT_iprefix)) 1071 Prefix = it->getValue(Args); 1072 else if (it->getOption().matches(OPT_iwithprefix)) 1073 Opts.AddPath(Prefix.str() + it->getValue(Args), 1074 frontend::System, false, false); 1075 else 1076 Opts.AddPath(Prefix.str() + it->getValue(Args), 1077 frontend::Angled, false, false); 1078 } 1079 1080 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1081 ie = Args.filtered_end(); it != ie; ++it) 1082 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1083 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1084 ie = Args.filtered_end(); it != ie; ++it) 1085 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1086 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1087 ie = Args.filtered_end(); it != ie; ++it) 1088 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1089 1090 // FIXME: Need options for the various environment variables! 1091 } 1092 1093 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1094 FrontendOptions::InputKind IK, 1095 Diagnostic &Diags) { 1096 // FIXME: Cleanup per-file based stuff. 1097 1098 // Set some properties which depend soley on the input kind; it would be nice 1099 // to move these to the language standard, and have the driver resolve the 1100 // input kind + language standard. 1101 if (IK == FrontendOptions::IK_Asm) { 1102 Opts.AsmPreprocessor = 1; 1103 } else if (IK == FrontendOptions::IK_ObjC || 1104 IK == FrontendOptions::IK_ObjCXX || 1105 IK == FrontendOptions::IK_PreprocessedObjC || 1106 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1107 Opts.ObjC1 = Opts.ObjC2 = 1; 1108 } 1109 1110 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1111 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1112 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1113 #define LANGSTANDARD(id, name, desc, features) \ 1114 .Case(name, LangStandard::lang_##id) 1115 #include "clang/Frontend/LangStandards.def" 1116 .Default(LangStandard::lang_unspecified); 1117 if (LangStd == LangStandard::lang_unspecified) 1118 Diags.Report(diag::err_drv_invalid_value) 1119 << A->getAsString(Args) << A->getValue(Args); 1120 } 1121 1122 if (LangStd == LangStandard::lang_unspecified) { 1123 // Based on the base language, pick one. 1124 switch (IK) { 1125 case FrontendOptions::IK_None: 1126 case FrontendOptions::IK_AST: 1127 assert(0 && "Invalid input kind!"); 1128 case FrontendOptions::IK_OpenCL: 1129 LangStd = LangStandard::lang_opencl; 1130 break; 1131 case FrontendOptions::IK_Asm: 1132 case FrontendOptions::IK_C: 1133 case FrontendOptions::IK_PreprocessedC: 1134 case FrontendOptions::IK_ObjC: 1135 case FrontendOptions::IK_PreprocessedObjC: 1136 LangStd = LangStandard::lang_gnu99; 1137 break; 1138 case FrontendOptions::IK_CXX: 1139 case FrontendOptions::IK_PreprocessedCXX: 1140 case FrontendOptions::IK_ObjCXX: 1141 case FrontendOptions::IK_PreprocessedObjCXX: 1142 LangStd = LangStandard::lang_gnucxx98; 1143 break; 1144 } 1145 } 1146 1147 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1148 Opts.BCPLComment = Std.hasBCPLComments(); 1149 Opts.C99 = Std.isC99(); 1150 Opts.CPlusPlus = Std.isCPlusPlus(); 1151 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1152 Opts.Digraphs = Std.hasDigraphs(); 1153 Opts.GNUMode = Std.isGNUMode(); 1154 Opts.GNUInline = !Std.isC99(); 1155 Opts.HexFloats = Std.hasHexFloats(); 1156 Opts.ImplicitInt = Std.hasImplicitInt(); 1157 1158 // OpenCL has some additional defaults. 1159 if (LangStd == LangStandard::lang_opencl) { 1160 Opts.OpenCL = 1; 1161 Opts.AltiVec = 1; 1162 Opts.CXXOperatorNames = 1; 1163 Opts.LaxVectorConversions = 1; 1164 } 1165 1166 // OpenCL and C++ both have bool, true, false keywords. 1167 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1168 1169 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1170 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1171 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1172 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1173 // name, as it doesn't seem a useful distinction. 1174 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1175 Opts.GNUMode); 1176 1177 if (Opts.CPlusPlus) 1178 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1179 1180 if (Args.hasArg(OPT_fobjc_gc_only)) 1181 Opts.setGCMode(LangOptions::GCOnly); 1182 else if (Args.hasArg(OPT_fobjc_gc)) 1183 Opts.setGCMode(LangOptions::HybridGC); 1184 1185 if (Args.hasArg(OPT_print_ivar_layout)) 1186 Opts.ObjCGCBitmapPrint = 1; 1187 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1188 Opts.NoConstantCFStrings = 1; 1189 1190 if (Args.hasArg(OPT_faltivec)) 1191 Opts.AltiVec = 1; 1192 1193 if (Args.hasArg(OPT_pthread)) 1194 Opts.POSIXThreads = 1; 1195 1196 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1197 "default"); 1198 if (Vis == "default") 1199 Opts.setVisibilityMode(LangOptions::Default); 1200 else if (Vis == "hidden") 1201 Opts.setVisibilityMode(LangOptions::Hidden); 1202 else if (Vis == "protected") 1203 Opts.setVisibilityMode(LangOptions::Protected); 1204 else 1205 Diags.Report(diag::err_drv_invalid_value) 1206 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1207 1208 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1209 1210 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1211 // is specified, or -std is set to a conforming mode. 1212 Opts.Trigraphs = !Opts.GNUMode; 1213 if (Args.hasArg(OPT_trigraphs)) 1214 Opts.Trigraphs = 1; 1215 1216 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1217 OPT_fno_dollars_in_identifiers, 1218 !Opts.AsmPreprocessor); 1219 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1220 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1221 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1222 Opts.ConstStrings = Args.hasArg(OPT_Wwrite_strings); 1223 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1224 Opts.LaxVectorConversions = 0; 1225 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1226 Opts.ThreadsafeStatics = 0; 1227 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1228 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1229 Opts.Blocks = Args.hasArg(OPT_fblocks); 1230 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1231 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1232 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1233 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1234 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1235 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1236 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1237 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1238 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1239 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 1024, 1240 Diags); 1241 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1242 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1243 OPT_fconstant_string_class); 1244 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1245 Opts.ObjCNonFragileABI2 = Args.hasArg(OPT_fobjc_nonfragile_abi2); 1246 if (Opts.ObjCNonFragileABI2) 1247 Opts.ObjCNonFragileABI = true; 1248 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1249 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1250 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1251 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1252 Opts.Static = Args.hasArg(OPT_static_define); 1253 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1254 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1255 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1256 Opts.OptimizeSize = 0; 1257 1258 // FIXME: Eliminate this dependency. 1259 unsigned Opt = 1260 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1261 Opts.Optimize = Opt != 0; 1262 1263 // This is the __NO_INLINE__ define, which just depends on things like the 1264 // optimization level and -fno-inline, not actually whether the backend has 1265 // inlining enabled. 1266 // 1267 // FIXME: This is affected by other options (-fno-inline). 1268 Opts.NoInline = !Opt; 1269 1270 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1271 switch (SSP) { 1272 default: 1273 Diags.Report(diag::err_drv_invalid_value) 1274 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1275 break; 1276 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1277 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1278 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1279 } 1280 } 1281 1282 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1283 Diagnostic &Diags) { 1284 using namespace cc1options; 1285 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1286 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1287 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1288 Opts.TokenCache = A->getValue(Args); 1289 else 1290 Opts.TokenCache = Opts.ImplicitPTHInclude; 1291 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1292 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1293 // Add macros from the command line. 1294 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1295 ie = Args.filtered_end(); it != ie; ++it) { 1296 if (it->getOption().matches(OPT_D)) 1297 Opts.addMacroDef(it->getValue(Args)); 1298 else 1299 Opts.addMacroUndef(it->getValue(Args)); 1300 } 1301 1302 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1303 1304 // Add the ordered list of -includes. 1305 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1306 OPT_include_pth), 1307 ie = Args.filtered_end(); it != ie; ++it) { 1308 // PCH is handled specially, we need to extra the original include path. 1309 if (it->getOption().matches(OPT_include_pch)) { 1310 std::string OriginalFile = 1311 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1312 if (OriginalFile.empty()) 1313 continue; 1314 1315 Opts.Includes.push_back(OriginalFile); 1316 } else 1317 Opts.Includes.push_back(it->getValue(Args)); 1318 } 1319 1320 // Include 'altivec.h' if -faltivec option present 1321 if (Args.hasArg(OPT_faltivec)) 1322 Opts.Includes.push_back("altivec.h"); 1323 1324 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1325 ie = Args.filtered_end(); it != ie; ++it) { 1326 std::pair<llvm::StringRef,llvm::StringRef> Split = 1327 llvm::StringRef(it->getValue(Args)).split(';'); 1328 1329 if (Split.second.empty()) { 1330 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1331 continue; 1332 } 1333 1334 Opts.addRemappedFile(Split.first, Split.second); 1335 } 1336 } 1337 1338 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1339 ArgList &Args) { 1340 using namespace cc1options; 1341 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1342 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1343 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1344 Opts.ShowComments = Args.hasArg(OPT_C); 1345 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1346 } 1347 1348 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1349 using namespace cc1options; 1350 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1351 Opts.CPU = getLastArgValue(Args, OPT_target_cpu); 1352 Opts.Triple = getLastArgValue(Args, OPT_triple); 1353 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1354 1355 // Use the host triple if unspecified. 1356 if (Opts.Triple.empty()) 1357 Opts.Triple = llvm::sys::getHostTriple(); 1358 } 1359 1360 // 1361 1362 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1363 const char **ArgBegin, 1364 const char **ArgEnd, 1365 Diagnostic &Diags) { 1366 // Parse the arguments. 1367 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1368 unsigned MissingArgIndex, MissingArgCount; 1369 llvm::OwningPtr<InputArgList> Args( 1370 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1371 1372 // Check for missing argument error. 1373 if (MissingArgCount) 1374 Diags.Report(diag::err_drv_missing_argument) 1375 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1376 1377 // Issue errors on unknown arguments. 1378 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1379 ie = Args->filtered_end(); it != ie; ++it) 1380 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1381 1382 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1383 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1384 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1385 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1386 FrontendOptions::InputKind DashX = 1387 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1388 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1389 if (DashX != FrontendOptions::IK_AST) 1390 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1391 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1392 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1393 ParseTargetArgs(Res.getTargetOpts(), *Args); 1394 } 1395