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.MergeAllConstants) 126 Res.push_back("-fno-merge-all-constants"); 127 if (Opts.NoCommon) 128 Res.push_back("-fno-common"); 129 if (Opts.NoImplicitFloat) 130 Res.push_back("-no-implicit-float"); 131 if (Opts.OptimizeSize) { 132 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 133 Res.push_back("-Os"); 134 } else if (Opts.OptimizationLevel != 0) 135 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 136 if (!Opts.MainFileName.empty()) { 137 Res.push_back("-main-file-name"); 138 Res.push_back(Opts.MainFileName); 139 } 140 // SimplifyLibCalls is only derived. 141 // TimePasses is only derived. 142 // UnitAtATime is unused. 143 // UnrollLoops is only derived. 144 // VerifyModule is only derived. 145 // Inlining is only derived. 146 147 if (Opts.AsmVerbose) 148 Res.push_back("-masm-verbose"); 149 if (!Opts.CodeModel.empty()) { 150 Res.push_back("-mcode-model"); 151 Res.push_back(Opts.CodeModel); 152 } 153 if (!Opts.DebugPass.empty()) { 154 Res.push_back("-mdebug-pass"); 155 Res.push_back(Opts.DebugPass); 156 } 157 if (Opts.DisableFPElim) 158 Res.push_back("-mdisable-fp-elim"); 159 if (!Opts.FloatABI.empty()) { 160 Res.push_back("-mfloat-abi"); 161 Res.push_back(Opts.FloatABI); 162 } 163 if (!Opts.LimitFloatPrecision.empty()) { 164 Res.push_back("-mlimit-float-precision"); 165 Res.push_back(Opts.LimitFloatPrecision); 166 } 167 if (Opts.NoZeroInitializedInBSS) 168 Res.push_back("-mno-zero-initialized-bss"); 169 if (Opts.SoftFloat) 170 Res.push_back("-msoft-float"); 171 if (Opts.UnwindTables) 172 Res.push_back("-munwind-tables"); 173 if (Opts.RelocationModel != "pic") { 174 Res.push_back("-mrelocation-model"); 175 Res.push_back(Opts.RelocationModel); 176 } 177 } 178 179 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 180 std::vector<std::string> &Res) { 181 if (Opts.IncludeSystemHeaders) 182 Res.push_back("-sys-header-deps"); 183 if (Opts.UsePhonyTargets) 184 Res.push_back("-MP"); 185 if (!Opts.OutputFile.empty()) { 186 Res.push_back("-dependency-file"); 187 Res.push_back(Opts.OutputFile); 188 } 189 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 190 Res.push_back("-MT"); 191 Res.push_back(Opts.Targets[i]); 192 } 193 } 194 195 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 196 std::vector<std::string> &Res) { 197 if (Opts.IgnoreWarnings) 198 Res.push_back("-w"); 199 if (Opts.NoRewriteMacros) 200 Res.push_back("-Wno-rewrite-macros"); 201 if (Opts.Pedantic) 202 Res.push_back("-pedantic"); 203 if (Opts.PedanticErrors) 204 Res.push_back("-pedantic-errors"); 205 if (!Opts.ShowColumn) 206 Res.push_back("-fno-show-column"); 207 if (!Opts.ShowLocation) 208 Res.push_back("-fno-show-source-location"); 209 if (!Opts.ShowCarets) 210 Res.push_back("-fno-caret-diagnostics"); 211 if (!Opts.ShowFixits) 212 Res.push_back("-fno-diagnostics-fixit-info"); 213 if (Opts.ShowSourceRanges) 214 Res.push_back("-fdiagnostics-print-source-range-info"); 215 if (Opts.ShowColors) 216 Res.push_back("-fcolor-diagnostics"); 217 if (Opts.VerifyDiagnostics) 218 Res.push_back("-verify"); 219 if (Opts.ShowOptionNames) 220 Res.push_back("-fdiagnostics-show-option"); 221 if (Opts.MessageLength) { 222 Res.push_back("-fmessage-length"); 223 Res.push_back(llvm::utostr(Opts.MessageLength)); 224 } 225 if (!Opts.DumpBuildInformation.empty()) { 226 Res.push_back("-dump-build-information"); 227 Res.push_back(Opts.DumpBuildInformation); 228 } 229 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 230 Res.push_back("-W" + Opts.Warnings[i]); 231 } 232 233 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 234 switch (Kind) { 235 case FrontendOptions::IK_None: break; 236 case FrontendOptions::IK_AST: return "ast"; 237 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 238 case FrontendOptions::IK_C: return "c"; 239 case FrontendOptions::IK_CXX: return "c++"; 240 case FrontendOptions::IK_ObjC: return "objective-c"; 241 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 242 case FrontendOptions::IK_OpenCL: return "cl"; 243 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 244 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 245 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 246 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 247 } 248 249 llvm_unreachable("Unexpected language kind!"); 250 return 0; 251 } 252 253 static const char *getActionName(frontend::ActionKind Kind) { 254 switch (Kind) { 255 case frontend::PluginAction: 256 case frontend::InheritanceView: 257 llvm_unreachable("Invalid kind!"); 258 259 case frontend::ASTDump: return "-ast-dump"; 260 case frontend::ASTPrint: return "-ast-print"; 261 case frontend::ASTPrintXML: return "-ast-print-xml"; 262 case frontend::ASTView: return "-ast-view"; 263 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 264 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 265 case frontend::DumpTokens: return "-dump-tokens"; 266 case frontend::EmitAssembly: return "-S"; 267 case frontend::EmitBC: return "-emit-llvm-bc"; 268 case frontend::EmitHTML: return "-emit-html"; 269 case frontend::EmitLLVM: return "-emit-llvm"; 270 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 271 case frontend::FixIt: return "-fixit"; 272 case frontend::GeneratePCH: return "-emit-pch"; 273 case frontend::GeneratePTH: return "-emit-pth"; 274 case frontend::ParseNoop: return "-parse-noop"; 275 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 276 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 277 case frontend::PrintDeclContext: return "-print-decl-contexts"; 278 case frontend::PrintPreprocessedInput: return "-E"; 279 case frontend::RewriteBlocks: return "-rewrite-blocks"; 280 case frontend::RewriteMacros: return "-rewrite-macros"; 281 case frontend::RewriteObjC: return "-rewrite-objc"; 282 case frontend::RewriteTest: return "-rewrite-test"; 283 case frontend::RunAnalysis: return "-analyze"; 284 case frontend::RunPreprocessorOnly: return "-Eonly"; 285 } 286 287 llvm_unreachable("Unexpected language kind!"); 288 return 0; 289 } 290 291 static void FrontendOptsToArgs(const FrontendOptions &Opts, 292 std::vector<std::string> &Res) { 293 if (!Opts.DebugCodeCompletionPrinter) 294 Res.push_back("-no-code-completion-debug-printer"); 295 if (Opts.DisableFree) 296 Res.push_back("-disable-free"); 297 if (Opts.EmptyInputOnly) 298 Res.push_back("-empty-input-only"); 299 if (Opts.RelocatablePCH) 300 Res.push_back("-relocatable-pch"); 301 if (Opts.ShowHelp) 302 Res.push_back("-help"); 303 if (Opts.ShowMacrosInCodeCompletion) 304 Res.push_back("-code-completion-macros"); 305 if (Opts.ShowStats) 306 Res.push_back("-print-stats"); 307 if (Opts.ShowTimers) 308 Res.push_back("-ftime-report"); 309 if (Opts.ShowVersion) 310 Res.push_back("-version"); 311 312 bool NeedLang = false; 313 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 314 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 315 Opts.Inputs[i].first) 316 NeedLang = true; 317 if (NeedLang) { 318 Res.push_back("-x"); 319 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 320 } 321 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 322 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 323 "Unable to represent this input vector!"); 324 Res.push_back(Opts.Inputs[i].second); 325 } 326 327 if (!Opts.OutputFile.empty()) { 328 Res.push_back("-o"); 329 Res.push_back(Opts.OutputFile); 330 } 331 if (!Opts.ViewClassInheritance.empty()) { 332 Res.push_back("-cxx-inheritance-view"); 333 Res.push_back(Opts.ViewClassInheritance); 334 } 335 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 336 Res.push_back("-fixit-at"); 337 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 338 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 339 llvm::utostr(Opts.FixItLocations[i].Column)); 340 } 341 if (!Opts.CodeCompletionAt.FileName.empty()) { 342 Res.push_back("-code-completion-at"); 343 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 344 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 345 llvm::utostr(Opts.CodeCompletionAt.Column)); 346 } 347 if (Opts.ProgramAction != frontend::InheritanceView && 348 Opts.ProgramAction != frontend::PluginAction) 349 Res.push_back(getActionName(Opts.ProgramAction)); 350 if (!Opts.ActionName.empty()) { 351 Res.push_back("-plugin"); 352 Res.push_back(Opts.ActionName); 353 } 354 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 355 Res.push_back("-load"); 356 Res.push_back(Opts.Plugins[i]); 357 } 358 } 359 360 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 361 std::vector<std::string> &Res) { 362 if (Opts.Sysroot != "/") { 363 Res.push_back("-isysroot"); 364 Res.push_back(Opts.Sysroot); 365 } 366 367 /// User specified include entries. 368 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 369 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 370 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 371 llvm::llvm_report_error("Invalid option set!"); 372 if (E.IsUserSupplied) { 373 if (E.Group == frontend::After) { 374 Res.push_back("-idirafter"); 375 } else if (E.Group == frontend::Quoted) { 376 Res.push_back("-iquote"); 377 } else if (E.Group == frontend::System) { 378 Res.push_back("-isystem"); 379 } else { 380 assert(E.Group == frontend::Angled && "Invalid group!"); 381 Res.push_back(E.IsFramework ? "-F" : "-I"); 382 } 383 } else { 384 if (E.Group != frontend::Angled && E.Group != frontend::System) 385 llvm::llvm_report_error("Invalid option set!"); 386 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 387 "-iwithprefix"); 388 } 389 Res.push_back(E.Path); 390 } 391 392 if (!Opts.EnvIncPath.empty()) { 393 // FIXME: Provide an option for this, and move env detection to driver. 394 llvm::llvm_report_error("Not yet implemented!"); 395 } 396 if (!Opts.CEnvIncPath.empty()) { 397 // FIXME: Provide an option for this, and move env detection to driver. 398 llvm::llvm_report_error("Not yet implemented!"); 399 } 400 if (!Opts.ObjCEnvIncPath.empty()) { 401 // FIXME: Provide an option for this, and move env detection to driver. 402 llvm::llvm_report_error("Not yet implemented!"); 403 } 404 if (!Opts.CXXEnvIncPath.empty()) { 405 // FIXME: Provide an option for this, and move env detection to driver. 406 llvm::llvm_report_error("Not yet implemented!"); 407 } 408 if (!Opts.ObjCXXEnvIncPath.empty()) { 409 // FIXME: Provide an option for this, and move env detection to driver. 410 llvm::llvm_report_error("Not yet implemented!"); 411 } 412 if (!Opts.ResourceDir.empty()) { 413 Res.push_back("-resource-dir"); 414 Res.push_back(Opts.ResourceDir); 415 } 416 if (!Opts.UseStandardIncludes) 417 Res.push_back("-nostdinc"); 418 if (Opts.Verbose) 419 Res.push_back("-v"); 420 } 421 422 static void LangOptsToArgs(const LangOptions &Opts, 423 std::vector<std::string> &Res) { 424 LangOptions DefaultLangOpts; 425 426 // FIXME: Need to set -std to get all the implicit options. 427 428 // FIXME: We want to only pass options relative to the defaults, which 429 // requires constructing a target. :( 430 // 431 // It would be better to push the all target specific choices into the driver, 432 // so that everything below that was more uniform. 433 434 if (Opts.Trigraphs) 435 Res.push_back("-trigraphs"); 436 // Implicit based on the input kind: 437 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 438 // Implicit based on the input language standard: 439 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 440 if (Opts.DollarIdents) 441 Res.push_back("-fdollars-in-identifiers"); 442 if (Opts.Microsoft) 443 Res.push_back("-fms-extensions=1"); 444 if (Opts.ObjCNonFragileABI) 445 Res.push_back("-fobjc-nonfragile-abi"); 446 // NoInline is implicit. 447 if (!Opts.CXXOperatorNames) 448 Res.push_back("-fno-operator-names"); 449 if (Opts.PascalStrings) 450 Res.push_back("-fpascal-strings"); 451 if (Opts.CatchUndefined) 452 Res.push_back("-fcatch-undefined-behavior"); 453 if (Opts.WritableStrings) 454 Res.push_back("-fwritable-strings"); 455 if (!Opts.LaxVectorConversions) 456 Res.push_back("-fno-lax-vector-conversions"); 457 if (Opts.AltiVec) 458 Res.push_back("-faltivec"); 459 if (Opts.Exceptions) 460 Res.push_back("-fexceptions"); 461 if (!Opts.RTTI) 462 Res.push_back("-fno-rtti"); 463 if (!Opts.NeXTRuntime) 464 Res.push_back("-fgnu-runtime"); 465 if (Opts.Freestanding) 466 Res.push_back("-ffreestanding"); 467 if (Opts.NoBuiltin) 468 Res.push_back("-fno-builtin"); 469 if (Opts.ThreadsafeStatics) 470 llvm::llvm_report_error("FIXME: Not yet implemented!"); 471 if (Opts.POSIXThreads) 472 Res.push_back("-pthread"); 473 if (Opts.Blocks) 474 Res.push_back("-fblocks"); 475 if (Opts.EmitAllDecls) 476 Res.push_back("-femit-all-decls"); 477 if (!Opts.MathErrno) 478 Res.push_back("-fno-math-errno"); 479 if (Opts.OverflowChecking) 480 Res.push_back("-ftrapv"); 481 if (Opts.HeinousExtensions) 482 Res.push_back("-fheinous-gnu-extensions"); 483 // Optimize is implicit. 484 // OptimizeSize is implicit. 485 if (Opts.Static) 486 Res.push_back("-static-define"); 487 if (Opts.PICLevel) { 488 Res.push_back("-pic-level"); 489 Res.push_back(llvm::utostr(Opts.PICLevel)); 490 } 491 if (Opts.ObjCGCBitmapPrint) 492 Res.push_back("-print-ivar-layout"); 493 // FIXME: Don't forget to update when the default changes! 494 if (Opts.AccessControl) 495 Res.push_back("-faccess-control"); 496 if (!Opts.CharIsSigned) 497 Res.push_back("-fno-signed-char"); 498 if (Opts.ShortWChar) 499 Res.push_back("-fshort-wchar"); 500 if (!Opts.ElideConstructors) 501 Res.push_back("-fno-elide-constructors"); 502 if (Opts.getGCMode() != LangOptions::NonGC) { 503 if (Opts.getGCMode() == LangOptions::HybridGC) { 504 Res.push_back("-fobjc-gc"); 505 } else { 506 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 507 Res.push_back("-fobjc-gc-only"); 508 } 509 } 510 if (Opts.getVisibilityMode() != LangOptions::Default) { 511 Res.push_back("-fvisibility"); 512 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 513 Res.push_back("hidden"); 514 } else { 515 assert(Opts.getVisibilityMode() == LangOptions::Protected && 516 "Invalid visibility!"); 517 Res.push_back("protected"); 518 } 519 } 520 if (Opts.getStackProtectorMode() != 0) { 521 Res.push_back("-stack-protector"); 522 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 523 } 524 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 525 Res.push_back("-ftemplate-depth"); 526 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 527 } 528 if (!Opts.ObjCConstantStringClass.empty()) { 529 Res.push_back("-fconstant-string-class"); 530 Res.push_back(Opts.ObjCConstantStringClass); 531 } 532 } 533 534 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 535 std::vector<std::string> &Res) { 536 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 537 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 538 Opts.Macros[i].first); 539 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 540 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 541 Res.push_back("-include"); 542 Res.push_back(Opts.Includes[i]); 543 } 544 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 545 Res.push_back("-imacros"); 546 Res.push_back(Opts.MacroIncludes[i]); 547 } 548 if (!Opts.UsePredefines) 549 Res.push_back("-undef"); 550 if (!Opts.ImplicitPCHInclude.empty()) { 551 Res.push_back("-include-pch"); 552 Res.push_back(Opts.ImplicitPCHInclude); 553 } 554 if (!Opts.ImplicitPTHInclude.empty()) { 555 Res.push_back("-include-pth"); 556 Res.push_back(Opts.ImplicitPTHInclude); 557 } 558 if (!Opts.TokenCache.empty()) { 559 if (Opts.ImplicitPTHInclude.empty()) { 560 Res.push_back("-token-cache"); 561 Res.push_back(Opts.TokenCache); 562 } else 563 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 564 "Unsupported option combination!"); 565 } 566 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 567 Res.push_back("-remap-file"); 568 Res.push_back(Opts.RemappedFiles[i].first + ";" + 569 Opts.RemappedFiles[i].second); 570 } 571 } 572 573 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 574 std::vector<std::string> &Res) { 575 if (!Opts.ShowCPP && !Opts.ShowMacros) 576 llvm::llvm_report_error("Invalid option combination!"); 577 578 if (Opts.ShowCPP && Opts.ShowMacros) 579 Res.push_back("-dD"); 580 else if (!Opts.ShowCPP && Opts.ShowMacros) 581 Res.push_back("-dM"); 582 583 if (!Opts.ShowLineMarkers) 584 Res.push_back("-P"); 585 if (Opts.ShowComments) 586 Res.push_back("-C"); 587 if (Opts.ShowMacroComments) 588 Res.push_back("-CC"); 589 } 590 591 static void TargetOptsToArgs(const TargetOptions &Opts, 592 std::vector<std::string> &Res) { 593 Res.push_back("-triple"); 594 Res.push_back(Opts.Triple); 595 if (!Opts.CPU.empty()) { 596 Res.push_back("-mcpu"); 597 Res.push_back(Opts.CPU); 598 } 599 if (!Opts.ABI.empty()) { 600 Res.push_back("-target-abi"); 601 Res.push_back(Opts.ABI); 602 } 603 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 604 Res.push_back("-target-feature"); 605 Res.push_back(Opts.Features[i]); 606 } 607 } 608 609 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 610 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 611 CodeGenOptsToArgs(getCodeGenOpts(), Res); 612 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 613 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 614 FrontendOptsToArgs(getFrontendOpts(), Res); 615 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 616 LangOptsToArgs(getLangOpts(), Res); 617 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 618 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 619 TargetOptsToArgs(getTargetOpts(), Res); 620 } 621 622 //===----------------------------------------------------------------------===// 623 // Deserialization (to args) 624 //===----------------------------------------------------------------------===// 625 626 using namespace clang::driver; 627 using namespace clang::driver::cc1options; 628 629 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 630 llvm::StringRef Default = "") { 631 if (Arg *A = Args.getLastArg(ID)) 632 return A->getValue(Args); 633 return Default; 634 } 635 636 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 637 int Default, Diagnostic &Diags) { 638 Arg *A = Args.getLastArg(ID); 639 if (!A) 640 return Default; 641 642 int Res = Default; 643 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 644 Diags.Report(diag::err_drv_invalid_int_value) 645 << A->getAsString(Args) << A->getValue(Args); 646 647 return Res; 648 } 649 650 static std::vector<std::string> 651 getAllArgValues(ArgList &Args, cc1options::ID ID) { 652 llvm::SmallVector<const char *, 16> Values; 653 Args.AddAllArgValues(Values, ID); 654 return std::vector<std::string>(Values.begin(), Values.end()); 655 } 656 657 // 658 659 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 660 Diagnostic &Diags) { 661 using namespace cc1options; 662 663 Opts.AnalysisList.clear(); 664 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 665 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 666 #include "clang/Frontend/Analyses.def" 667 668 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 669 llvm::StringRef Name = A->getValue(Args); 670 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 671 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 672 .Case(CMDFLAG, NAME##Model) 673 #include "clang/Frontend/Analyses.def" 674 .Default(NumStores); 675 // FIXME: Error handling. 676 if (Value == NumStores) 677 Diags.Report(diag::err_drv_invalid_value) 678 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 679 else 680 Opts.AnalysisStoreOpt = Value; 681 } 682 683 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 684 llvm::StringRef Name = A->getValue(Args); 685 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 686 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 687 .Case(CMDFLAG, NAME##Model) 688 #include "clang/Frontend/Analyses.def" 689 .Default(NumConstraints); 690 // FIXME: Error handling. 691 if (Value == NumConstraints) 692 Diags.Report(diag::err_drv_invalid_value) 693 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 694 else 695 Opts.AnalysisConstraintsOpt = Value; 696 } 697 698 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 699 llvm::StringRef Name = A->getValue(Args); 700 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 701 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 702 .Case(CMDFLAG, PD_##NAME) 703 #include "clang/Frontend/Analyses.def" 704 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 705 // FIXME: Error handling. 706 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 707 Diags.Report(diag::err_drv_invalid_value) 708 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 709 else 710 Opts.AnalysisDiagOpt = Value; 711 } 712 713 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 714 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 715 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 716 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 717 Opts.AnalyzeNestedBlocks = 718 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 719 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 720 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 721 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 722 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 723 Opts.EnableExperimentalInternalChecks = 724 Args.hasArg(OPT_analyzer_experimental_internal_checks); 725 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 726 } 727 728 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 729 Diagnostic &Diags) { 730 using namespace cc1options; 731 // -Os implies -O2 732 if (Args.hasArg(OPT_Os)) 733 Opts.OptimizationLevel = 2; 734 else { 735 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 736 if (Opts.OptimizationLevel > 3) { 737 Diags.Report(diag::err_drv_invalid_value) 738 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 739 Opts.OptimizationLevel = 3; 740 } 741 } 742 743 // We must always run at least the always inlining pass. 744 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 745 : CodeGenOptions::OnlyAlwaysInlining; 746 747 Opts.DebugInfo = Args.hasArg(OPT_g); 748 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 749 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 750 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 751 Opts.NoCommon = Args.hasArg(OPT_fno_common); 752 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 753 Opts.OptimizeSize = Args.hasArg(OPT_Os); 754 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 755 756 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 757 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 758 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 759 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 760 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 761 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 762 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 763 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 764 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 765 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 766 767 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 768 769 // FIXME: Put elsewhere? 770 #ifdef NDEBUG 771 Opts.VerifyModule = 0; 772 #else 773 Opts.VerifyModule = 1; 774 #endif 775 } 776 777 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 778 ArgList &Args) { 779 using namespace cc1options; 780 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 781 Opts.Targets = getAllArgValues(Args, OPT_MT); 782 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 783 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 784 } 785 786 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 787 Diagnostic &Diags) { 788 using namespace cc1options; 789 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 790 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 791 Opts.Pedantic = Args.hasArg(OPT_pedantic); 792 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 793 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 794 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 795 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 796 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 797 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 798 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 799 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 800 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 801 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 802 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 803 Opts.Warnings = getAllArgValues(Args, OPT_W); 804 } 805 806 static FrontendOptions::InputKind 807 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 808 using namespace cc1options; 809 Opts.ProgramAction = frontend::ParseSyntaxOnly; 810 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 811 switch (A->getOption().getID()) { 812 default: 813 assert(0 && "Invalid option in group!"); 814 case OPT_ast_dump: 815 Opts.ProgramAction = frontend::ASTDump; break; 816 case OPT_ast_print: 817 Opts.ProgramAction = frontend::ASTPrint; break; 818 case OPT_ast_print_xml: 819 Opts.ProgramAction = frontend::ASTPrintXML; break; 820 case OPT_ast_view: 821 Opts.ProgramAction = frontend::ASTView; break; 822 case OPT_dump_raw_tokens: 823 Opts.ProgramAction = frontend::DumpRawTokens; break; 824 case OPT_dump_record_layouts: 825 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 826 case OPT_dump_tokens: 827 Opts.ProgramAction = frontend::DumpTokens; break; 828 case OPT_S: 829 Opts.ProgramAction = frontend::EmitAssembly; break; 830 case OPT_emit_llvm_bc: 831 Opts.ProgramAction = frontend::EmitBC; break; 832 case OPT_emit_html: 833 Opts.ProgramAction = frontend::EmitHTML; break; 834 case OPT_emit_llvm: 835 Opts.ProgramAction = frontend::EmitLLVM; break; 836 case OPT_emit_llvm_only: 837 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 838 case OPT_fixit: 839 Opts.ProgramAction = frontend::FixIt; break; 840 case OPT_emit_pch: 841 Opts.ProgramAction = frontend::GeneratePCH; break; 842 case OPT_emit_pth: 843 Opts.ProgramAction = frontend::GeneratePTH; break; 844 case OPT_parse_noop: 845 Opts.ProgramAction = frontend::ParseNoop; break; 846 case OPT_parse_print_callbacks: 847 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 848 case OPT_fsyntax_only: 849 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 850 case OPT_print_decl_contexts: 851 Opts.ProgramAction = frontend::PrintDeclContext; break; 852 case OPT_E: 853 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 854 case OPT_rewrite_blocks: 855 Opts.ProgramAction = frontend::RewriteBlocks; break; 856 case OPT_rewrite_macros: 857 Opts.ProgramAction = frontend::RewriteMacros; break; 858 case OPT_rewrite_objc: 859 Opts.ProgramAction = frontend::RewriteObjC; break; 860 case OPT_rewrite_test: 861 Opts.ProgramAction = frontend::RewriteTest; break; 862 case OPT_analyze: 863 Opts.ProgramAction = frontend::RunAnalysis; break; 864 case OPT_Eonly: 865 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 866 } 867 } 868 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 869 Opts.ProgramAction = frontend::PluginAction; 870 Opts.ActionName = A->getValue(Args); 871 } 872 873 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 874 Opts.CodeCompletionAt = 875 ParsedSourceLocation::FromString(A->getValue(Args)); 876 if (Opts.CodeCompletionAt.FileName.empty()) 877 Diags.Report(diag::err_drv_invalid_value) 878 << A->getAsString(Args) << A->getValue(Args); 879 } 880 Opts.DebugCodeCompletionPrinter = 881 !Args.hasArg(OPT_no_code_completion_debug_printer); 882 Opts.DisableFree = Args.hasArg(OPT_disable_free); 883 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 884 885 Opts.FixItLocations.clear(); 886 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 887 ie = Args.filtered_end(); it != ie; ++it) { 888 const char *Loc = it->getValue(Args); 889 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 890 891 if (PSL.FileName.empty()) { 892 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 893 continue; 894 } 895 896 Opts.FixItLocations.push_back(PSL); 897 } 898 899 Opts.OutputFile = getLastArgValue(Args, OPT_o); 900 Opts.Plugins = getAllArgValues(Args, OPT_load); 901 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 902 Opts.ShowHelp = Args.hasArg(OPT_help); 903 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 904 Opts.ShowStats = Args.hasArg(OPT_print_stats); 905 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 906 Opts.ShowVersion = Args.hasArg(OPT_version); 907 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 908 909 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 910 if (const Arg *A = Args.getLastArg(OPT_x)) { 911 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 912 .Case("c", FrontendOptions::IK_C) 913 .Case("cl", FrontendOptions::IK_OpenCL) 914 .Case("c", FrontendOptions::IK_C) 915 .Case("cl", FrontendOptions::IK_OpenCL) 916 .Case("c++", FrontendOptions::IK_CXX) 917 .Case("objective-c", FrontendOptions::IK_ObjC) 918 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 919 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 920 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 921 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 922 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 923 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 924 .Case("c-header", FrontendOptions::IK_C) 925 .Case("objective-c-header", FrontendOptions::IK_ObjC) 926 .Case("c++-header", FrontendOptions::IK_CXX) 927 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 928 .Case("ast", FrontendOptions::IK_AST) 929 .Default(FrontendOptions::IK_None); 930 if (DashX == FrontendOptions::IK_None) 931 Diags.Report(diag::err_drv_invalid_value) 932 << A->getAsString(Args) << A->getValue(Args); 933 } 934 935 // '-' is the default input if none is given. 936 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 937 Opts.Inputs.clear(); 938 if (Inputs.empty()) 939 Inputs.push_back("-"); 940 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 941 FrontendOptions::InputKind IK = DashX; 942 if (IK == FrontendOptions::IK_None) { 943 IK = FrontendOptions::getInputKindForExtension( 944 llvm::StringRef(Inputs[i]).rsplit('.').second); 945 // FIXME: Remove this hack. 946 if (i == 0) 947 DashX = IK; 948 } 949 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 950 } 951 952 return DashX; 953 } 954 955 std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 956 void *MainAddr) { 957 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 958 959 if (!P.isEmpty()) { 960 P.eraseComponent(); // Remove /clang from foo/bin/clang 961 P.eraseComponent(); // Remove /bin from foo/bin 962 963 // Get foo/lib/clang/<version>/include 964 P.appendComponent("lib"); 965 P.appendComponent("clang"); 966 P.appendComponent(CLANG_VERSION_STRING); 967 } 968 969 return P.str(); 970 } 971 972 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 973 using namespace cc1options; 974 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 975 Opts.Verbose = Args.hasArg(OPT_v); 976 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 977 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 978 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 979 980 // Add -I... and -F... options in order. 981 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 982 ie = Args.filtered_end(); it != ie; ++it) 983 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 984 /*IsFramework=*/ it->getOption().matches(OPT_F)); 985 986 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 987 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 988 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 989 OPT_iwithprefixbefore), 990 ie = Args.filtered_end(); it != ie; ++it) { 991 if (it->getOption().matches(OPT_iprefix)) 992 Prefix = it->getValue(Args); 993 else if (it->getOption().matches(OPT_iwithprefix)) 994 Opts.AddPath(Prefix.str() + it->getValue(Args), 995 frontend::System, false, false); 996 else 997 Opts.AddPath(Prefix.str() + it->getValue(Args), 998 frontend::Angled, false, false); 999 } 1000 1001 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1002 ie = Args.filtered_end(); it != ie; ++it) 1003 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1004 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1005 ie = Args.filtered_end(); it != ie; ++it) 1006 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1007 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1008 ie = Args.filtered_end(); it != ie; ++it) 1009 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1010 1011 // FIXME: Need options for the various environment variables! 1012 } 1013 1014 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1015 FrontendOptions::InputKind IK, 1016 Diagnostic &Diags) { 1017 // FIXME: Cleanup per-file based stuff. 1018 1019 // Set some properties which depend soley on the input kind; it would be nice 1020 // to move these to the language standard, and have the driver resolve the 1021 // input kind + language standard. 1022 if (IK == FrontendOptions::IK_Asm) { 1023 Opts.AsmPreprocessor = 1; 1024 } else if (IK == FrontendOptions::IK_ObjC || 1025 IK == FrontendOptions::IK_ObjCXX || 1026 IK == FrontendOptions::IK_PreprocessedObjC || 1027 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1028 Opts.ObjC1 = Opts.ObjC2 = 1; 1029 } 1030 1031 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1032 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1033 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1034 #define LANGSTANDARD(id, name, desc, features) \ 1035 .Case(name, LangStandard::lang_##id) 1036 #include "clang/Frontend/LangStandards.def" 1037 .Default(LangStandard::lang_unspecified); 1038 if (LangStd == LangStandard::lang_unspecified) 1039 Diags.Report(diag::err_drv_invalid_value) 1040 << A->getAsString(Args) << A->getValue(Args); 1041 } 1042 1043 if (LangStd == LangStandard::lang_unspecified) { 1044 // Based on the base language, pick one. 1045 switch (IK) { 1046 case FrontendOptions::IK_None: 1047 case FrontendOptions::IK_AST: 1048 assert(0 && "Invalid input kind!"); 1049 case FrontendOptions::IK_OpenCL: 1050 LangStd = LangStandard::lang_opencl; 1051 break; 1052 case FrontendOptions::IK_Asm: 1053 case FrontendOptions::IK_C: 1054 case FrontendOptions::IK_PreprocessedC: 1055 case FrontendOptions::IK_ObjC: 1056 case FrontendOptions::IK_PreprocessedObjC: 1057 LangStd = LangStandard::lang_gnu99; 1058 break; 1059 case FrontendOptions::IK_CXX: 1060 case FrontendOptions::IK_PreprocessedCXX: 1061 case FrontendOptions::IK_ObjCXX: 1062 case FrontendOptions::IK_PreprocessedObjCXX: 1063 LangStd = LangStandard::lang_gnucxx98; 1064 break; 1065 } 1066 } 1067 1068 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1069 Opts.BCPLComment = Std.hasBCPLComments(); 1070 Opts.C99 = Std.isC99(); 1071 Opts.CPlusPlus = Std.isCPlusPlus(); 1072 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1073 Opts.Digraphs = Std.hasDigraphs(); 1074 Opts.GNUMode = Std.isGNUMode(); 1075 Opts.GNUInline = !Std.isC99(); 1076 Opts.HexFloats = Std.hasHexFloats(); 1077 Opts.ImplicitInt = Std.hasImplicitInt(); 1078 1079 // OpenCL has some additional defaults. 1080 if (LangStd == LangStandard::lang_opencl) { 1081 Opts.OpenCL = 1; 1082 Opts.AltiVec = 1; 1083 Opts.CXXOperatorNames = 1; 1084 Opts.LaxVectorConversions = 1; 1085 } 1086 1087 // OpenCL and C++ both have bool, true, false keywords. 1088 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1089 1090 if (Opts.CPlusPlus) 1091 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1092 1093 if (Args.hasArg(OPT_fobjc_gc_only)) 1094 Opts.setGCMode(LangOptions::GCOnly); 1095 else if (Args.hasArg(OPT_fobjc_gc)) 1096 Opts.setGCMode(LangOptions::HybridGC); 1097 1098 if (Args.hasArg(OPT_print_ivar_layout)) 1099 Opts.ObjCGCBitmapPrint = 1; 1100 1101 if (Args.hasArg(OPT_faltivec)) 1102 Opts.AltiVec = 1; 1103 1104 if (Args.hasArg(OPT_pthread)) 1105 Opts.POSIXThreads = 1; 1106 1107 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1108 "default"); 1109 if (Vis == "default") 1110 Opts.setVisibilityMode(LangOptions::Default); 1111 else if (Vis == "hidden") 1112 Opts.setVisibilityMode(LangOptions::Hidden); 1113 else if (Vis == "protected") 1114 Opts.setVisibilityMode(LangOptions::Protected); 1115 else 1116 Diags.Report(diag::err_drv_invalid_value) 1117 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1118 1119 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1120 1121 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1122 // is specified, or -std is set to a conforming mode. 1123 Opts.Trigraphs = !Opts.GNUMode; 1124 if (Args.hasArg(OPT_trigraphs)) 1125 Opts.Trigraphs = 1; 1126 1127 Opts.DollarIdents = !Opts.AsmPreprocessor; 1128 if (Args.hasArg(OPT_fdollars_in_identifiers)) 1129 Opts.DollarIdents = 1; 1130 1131 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1132 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1133 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1134 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1135 Opts.LaxVectorConversions = 0; 1136 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1137 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1138 Opts.Blocks = Args.hasArg(OPT_fblocks); 1139 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1140 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1141 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1142 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1143 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1144 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1145 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1146 Opts.MathErrno = !Args.hasArg(OPT_fno_math_errno); 1147 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1148 Diags); 1149 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1150 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1151 OPT_fconstant_string_class); 1152 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1153 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1154 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1155 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1156 Opts.Static = Args.hasArg(OPT_static_define); 1157 Opts.OptimizeSize = 0; 1158 1159 // FIXME: Eliminate this dependency. 1160 unsigned Opt = 1161 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1162 Opts.Optimize = Opt != 0; 1163 1164 // This is the __NO_INLINE__ define, which just depends on things like the 1165 // optimization level and -fno-inline, not actually whether the backend has 1166 // inlining enabled. 1167 // 1168 // FIXME: This is affected by other options (-fno-inline). 1169 Opts.NoInline = !Opt; 1170 1171 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1172 switch (SSP) { 1173 default: 1174 Diags.Report(diag::err_drv_invalid_value) 1175 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1176 break; 1177 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1178 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1179 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1180 } 1181 } 1182 1183 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1184 Diagnostic &Diags) { 1185 using namespace cc1options; 1186 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1187 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1188 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1189 Opts.TokenCache = A->getValue(Args); 1190 else 1191 Opts.TokenCache = Opts.ImplicitPTHInclude; 1192 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1193 1194 // Add macros from the command line. 1195 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1196 ie = Args.filtered_end(); it != ie; ++it) { 1197 if (it->getOption().matches(OPT_D)) 1198 Opts.addMacroDef(it->getValue(Args)); 1199 else 1200 Opts.addMacroUndef(it->getValue(Args)); 1201 } 1202 1203 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1204 1205 // Add the ordered list of -includes. 1206 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1207 OPT_include_pth), 1208 ie = Args.filtered_end(); it != ie; ++it) { 1209 // PCH is handled specially, we need to extra the original include path. 1210 if (it->getOption().matches(OPT_include_pch)) { 1211 std::string OriginalFile = 1212 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1213 if (OriginalFile.empty()) 1214 continue; 1215 1216 Opts.Includes.push_back(OriginalFile); 1217 } else 1218 Opts.Includes.push_back(it->getValue(Args)); 1219 } 1220 1221 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1222 ie = Args.filtered_end(); it != ie; ++it) { 1223 std::pair<llvm::StringRef,llvm::StringRef> Split = 1224 llvm::StringRef(it->getValue(Args)).split(';'); 1225 1226 if (Split.second.empty()) { 1227 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1228 continue; 1229 } 1230 1231 Opts.addRemappedFile(Split.first, Split.second); 1232 } 1233 } 1234 1235 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1236 ArgList &Args) { 1237 using namespace cc1options; 1238 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1239 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1240 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1241 Opts.ShowComments = Args.hasArg(OPT_C); 1242 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1243 } 1244 1245 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1246 using namespace cc1options; 1247 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1248 Opts.CPU = getLastArgValue(Args, OPT_mcpu); 1249 Opts.Triple = getLastArgValue(Args, OPT_triple); 1250 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1251 1252 // Use the host triple if unspecified. 1253 if (Opts.Triple.empty()) 1254 Opts.Triple = llvm::sys::getHostTriple(); 1255 } 1256 1257 // 1258 1259 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1260 const char **ArgBegin, 1261 const char **ArgEnd, 1262 Diagnostic &Diags) { 1263 // Parse the arguments. 1264 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1265 unsigned MissingArgIndex, MissingArgCount; 1266 llvm::OwningPtr<InputArgList> Args( 1267 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1268 1269 // Check for missing argument error. 1270 if (MissingArgCount) 1271 Diags.Report(diag::err_drv_missing_argument) 1272 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1273 1274 // Issue errors on unknown arguments. 1275 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1276 ie = Args->filtered_end(); it != ie; ++it) 1277 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1278 1279 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1280 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1281 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1282 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1283 FrontendOptions::InputKind DashX = 1284 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1285 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1286 if (DashX != FrontendOptions::IK_AST) 1287 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1288 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1289 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1290 ParseTargetArgs(Res.getTargetOpts(), *Args); 1291 } 1292