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::llvm_unreachable("Unknown analysis store!"); 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::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::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::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.EagerlyAssume) 100 Res.push_back("-analyzer-eagerly-assume"); 101 if (!Opts.PurgeDead) 102 Res.push_back("-analyzer-no-purge-dead"); 103 if (Opts.TrimGraph) 104 Res.push_back("-trim-egraph"); 105 if (Opts.VisualizeEGDot) 106 Res.push_back("-analyzer-viz-egraph-graphviz"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-ubigraph"); 109 if (Opts.EnableExperimentalChecks) 110 Res.push_back("-analyzer-experimental-checks"); 111 if (Opts.EnableExperimentalInternalChecks) 112 Res.push_back("-analyzer-experimental-internal-checks"); 113 } 114 115 static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 116 std::vector<std::string> &Res) { 117 if (Opts.DebugInfo) 118 Res.push_back("-g"); 119 if (Opts.DisableLLVMOpts) 120 Res.push_back("-disable-llvm-optzns"); 121 if (Opts.DisableRedZone) 122 Res.push_back("-disable-red-zone"); 123 if (!Opts.MergeAllConstants) 124 Res.push_back("-fno-merge-all-constants"); 125 if (Opts.NoCommon) 126 Res.push_back("-fno-common"); 127 if (Opts.NoImplicitFloat) 128 Res.push_back("-no-implicit-float"); 129 if (Opts.OptimizeSize) { 130 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 131 Res.push_back("-Os"); 132 } else if (Opts.OptimizationLevel != 0) 133 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 134 if (!Opts.MainFileName.empty()) { 135 Res.push_back("-main-file-name"); 136 Res.push_back(Opts.MainFileName); 137 } 138 // SimplifyLibCalls is only derived. 139 // TimePasses is only derived. 140 // UnitAtATime is unused. 141 // UnrollLoops is only derived. 142 // VerifyModule is only derived. 143 // Inlining is only derived. 144 145 if (Opts.AsmVerbose) 146 Res.push_back("-masm-verbose"); 147 if (!Opts.CodeModel.empty()) { 148 Res.push_back("-mcode-model"); 149 Res.push_back(Opts.CodeModel); 150 } 151 if (!Opts.DebugPass.empty()) { 152 Res.push_back("-mdebug-pass"); 153 Res.push_back(Opts.DebugPass); 154 } 155 if (Opts.DisableFPElim) 156 Res.push_back("-mdisable-fp-elim"); 157 if (!Opts.FloatABI.empty()) { 158 Res.push_back("-mfloat-abi"); 159 Res.push_back(Opts.FloatABI); 160 } 161 if (!Opts.LimitFloatPrecision.empty()) { 162 Res.push_back("-mlimit-float-precision"); 163 Res.push_back(Opts.LimitFloatPrecision); 164 } 165 if (Opts.NoZeroInitializedInBSS) 166 Res.push_back("-mno-zero-initialized-bss"); 167 if (Opts.SoftFloat) 168 Res.push_back("-msoft-float"); 169 if (Opts.UnwindTables) 170 Res.push_back("-munwind-tables"); 171 if (Opts.RelocationModel != "pic") { 172 Res.push_back("-mrelocation-model"); 173 Res.push_back(Opts.RelocationModel); 174 } 175 } 176 177 static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 178 std::vector<std::string> &Res) { 179 if (Opts.IncludeSystemHeaders) 180 Res.push_back("-sys-header-deps"); 181 if (Opts.UsePhonyTargets) 182 Res.push_back("-MP"); 183 if (!Opts.OutputFile.empty()) { 184 Res.push_back("-dependency-file"); 185 Res.push_back(Opts.OutputFile); 186 } 187 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 188 Res.push_back("-MT"); 189 Res.push_back(Opts.Targets[i]); 190 } 191 } 192 193 static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 194 std::vector<std::string> &Res) { 195 if (Opts.IgnoreWarnings) 196 Res.push_back("-w"); 197 if (Opts.NoRewriteMacros) 198 Res.push_back("-Wno-rewrite-macros"); 199 if (Opts.Pedantic) 200 Res.push_back("-pedantic"); 201 if (Opts.PedanticErrors) 202 Res.push_back("-pedantic-errors"); 203 if (!Opts.ShowColumn) 204 Res.push_back("-fno-show-column"); 205 if (!Opts.ShowLocation) 206 Res.push_back("-fno-show-source-location"); 207 if (!Opts.ShowCarets) 208 Res.push_back("-fno-caret-diagnostics"); 209 if (!Opts.ShowFixits) 210 Res.push_back("-fno-diagnostics-fixit-info"); 211 if (Opts.ShowSourceRanges) 212 Res.push_back("-fdiagnostics-print-source-range-info"); 213 if (Opts.ShowColors) 214 Res.push_back("-fcolor-diagnostics"); 215 if (Opts.VerifyDiagnostics) 216 Res.push_back("-verify"); 217 if (Opts.ShowOptionNames) 218 Res.push_back("-fdiagnostics-show-option"); 219 if (Opts.MessageLength) { 220 Res.push_back("-fmessage-length"); 221 Res.push_back(llvm::utostr(Opts.MessageLength)); 222 } 223 if (!Opts.DumpBuildInformation.empty()) { 224 Res.push_back("-dump-build-information"); 225 Res.push_back(Opts.DumpBuildInformation); 226 } 227 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 228 Res.push_back("-W" + Opts.Warnings[i]); 229 } 230 231 static const char *getInputKindName(FrontendOptions::InputKind Kind) { 232 switch (Kind) { 233 case FrontendOptions::IK_None: break; 234 case FrontendOptions::IK_AST: return "ast"; 235 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 236 case FrontendOptions::IK_C: return "c"; 237 case FrontendOptions::IK_CXX: return "c++"; 238 case FrontendOptions::IK_ObjC: return "objective-c"; 239 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 240 case FrontendOptions::IK_OpenCL: return "cl"; 241 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 242 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 243 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 244 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 245 } 246 247 llvm::llvm_unreachable("Unexpected language kind!"); 248 return 0; 249 } 250 251 static const char *getActionName(frontend::ActionKind Kind) { 252 switch (Kind) { 253 case frontend::PluginAction: 254 case frontend::InheritanceView: 255 llvm::llvm_unreachable("Invalid kind!"); 256 257 case frontend::ASTDump: return "-ast-dump"; 258 case frontend::ASTPrint: return "-ast-print"; 259 case frontend::ASTPrintXML: return "-ast-print-xml"; 260 case frontend::ASTView: return "-ast-view"; 261 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 262 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 263 case frontend::DumpTokens: return "-dump-tokens"; 264 case frontend::EmitAssembly: return "-S"; 265 case frontend::EmitBC: return "-emit-llvm-bc"; 266 case frontend::EmitHTML: return "-emit-html"; 267 case frontend::EmitLLVM: return "-emit-llvm"; 268 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 269 case frontend::FixIt: return "-fixit"; 270 case frontend::GeneratePCH: return "-emit-pch"; 271 case frontend::GeneratePTH: return "-emit-pth"; 272 case frontend::ParseNoop: return "-parse-noop"; 273 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 274 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 275 case frontend::PrintDeclContext: return "-print-decl-contexts"; 276 case frontend::PrintPreprocessedInput: return "-E"; 277 case frontend::RewriteBlocks: return "-rewrite-blocks"; 278 case frontend::RewriteMacros: return "-rewrite-macros"; 279 case frontend::RewriteObjC: return "-rewrite-objc"; 280 case frontend::RewriteTest: return "-rewrite-test"; 281 case frontend::RunAnalysis: return "-analyze"; 282 case frontend::RunPreprocessorOnly: return "-Eonly"; 283 } 284 285 llvm::llvm_unreachable("Unexpected language kind!"); 286 return 0; 287 } 288 289 static void FrontendOptsToArgs(const FrontendOptions &Opts, 290 std::vector<std::string> &Res) { 291 if (!Opts.DebugCodeCompletionPrinter) 292 Res.push_back("-no-code-completion-debug-printer"); 293 if (Opts.DisableFree) 294 Res.push_back("-disable-free"); 295 if (Opts.EmptyInputOnly) 296 Res.push_back("-empty-input-only"); 297 if (Opts.RelocatablePCH) 298 Res.push_back("-relocatable-pch"); 299 if (Opts.ShowMacrosInCodeCompletion) 300 Res.push_back("-code-completion-macros"); 301 if (Opts.ShowStats) 302 Res.push_back("-print-stats"); 303 if (Opts.ShowTimers) 304 Res.push_back("-ftime-report"); 305 306 bool NeedLang = false; 307 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 308 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 309 Opts.Inputs[i].first) 310 NeedLang = true; 311 if (NeedLang) { 312 Res.push_back("-x"); 313 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 314 } 315 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 316 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 317 "Unable to represent this input vector!"); 318 Res.push_back(Opts.Inputs[i].second); 319 } 320 321 if (!Opts.OutputFile.empty()) { 322 Res.push_back("-o"); 323 Res.push_back(Opts.OutputFile); 324 } 325 if (!Opts.ViewClassInheritance.empty()) { 326 Res.push_back("-cxx-inheritance-view"); 327 Res.push_back(Opts.ViewClassInheritance); 328 } 329 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 330 Res.push_back("-fixit-at"); 331 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 332 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 333 llvm::utostr(Opts.FixItLocations[i].Column)); 334 } 335 if (!Opts.CodeCompletionAt.FileName.empty()) { 336 Res.push_back("-code-completion-at"); 337 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 338 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 339 llvm::utostr(Opts.CodeCompletionAt.Column)); 340 } 341 if (Opts.ProgramAction != frontend::InheritanceView && 342 Opts.ProgramAction != frontend::PluginAction) 343 Res.push_back(getActionName(Opts.ProgramAction)); 344 if (!Opts.ActionName.empty()) { 345 Res.push_back("-plugin"); 346 Res.push_back(Opts.ActionName); 347 } 348 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 349 Res.push_back("-load"); 350 Res.push_back(Opts.Plugins[i]); 351 } 352 } 353 354 static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 355 std::vector<std::string> &Res) { 356 if (Opts.Sysroot != "/") { 357 Res.push_back("-isysroot"); 358 Res.push_back(Opts.Sysroot); 359 } 360 361 /// User specified include entries. 362 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 363 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 364 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 365 llvm::llvm_report_error("Invalid option set!"); 366 if (E.IsUserSupplied) { 367 if (E.Group == frontend::After) { 368 Res.push_back("-idirafter"); 369 } else if (E.Group == frontend::Quoted) { 370 Res.push_back("-iquote"); 371 } else if (E.Group == frontend::System) { 372 Res.push_back("-isystem"); 373 } else { 374 assert(E.Group == frontend::Angled && "Invalid group!"); 375 Res.push_back(E.IsFramework ? "-F" : "-I"); 376 } 377 } else { 378 if (E.Group != frontend::Angled && E.Group != frontend::System) 379 llvm::llvm_report_error("Invalid option set!"); 380 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 381 "-iwithprefix"); 382 } 383 Res.push_back(E.Path); 384 } 385 386 if (!Opts.EnvIncPath.empty()) { 387 // FIXME: Provide an option for this, and move env detection to driver. 388 llvm::llvm_report_error("Not yet implemented!"); 389 } 390 if (!Opts.CEnvIncPath.empty()) { 391 // FIXME: Provide an option for this, and move env detection to driver. 392 llvm::llvm_report_error("Not yet implemented!"); 393 } 394 if (!Opts.ObjCEnvIncPath.empty()) { 395 // FIXME: Provide an option for this, and move env detection to driver. 396 llvm::llvm_report_error("Not yet implemented!"); 397 } 398 if (!Opts.CXXEnvIncPath.empty()) { 399 // FIXME: Provide an option for this, and move env detection to driver. 400 llvm::llvm_report_error("Not yet implemented!"); 401 } 402 if (!Opts.ObjCXXEnvIncPath.empty()) { 403 // FIXME: Provide an option for this, and move env detection to driver. 404 llvm::llvm_report_error("Not yet implemented!"); 405 } 406 if (!Opts.BuiltinIncludePath.empty()) { 407 // FIXME: Provide an option for this, and move to driver. 408 } 409 if (!Opts.UseStandardIncludes) 410 Res.push_back("-nostdinc"); 411 if (Opts.Verbose) 412 Res.push_back("-v"); 413 } 414 415 static void LangOptsToArgs(const LangOptions &Opts, 416 std::vector<std::string> &Res) { 417 LangOptions DefaultLangOpts; 418 419 // FIXME: Need to set -std to get all the implicit options. 420 421 // FIXME: We want to only pass options relative to the defaults, which 422 // requires constructing a target. :( 423 // 424 // It would be better to push the all target specific choices into the driver, 425 // so that everything below that was more uniform. 426 427 if (Opts.Trigraphs) 428 Res.push_back("-trigraphs"); 429 // Implicit based on the input kind: 430 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 431 // Implicit based on the input language standard: 432 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 433 if (Opts.DollarIdents) 434 Res.push_back("-fdollars-in-identifiers"); 435 if (Opts.Microsoft) 436 Res.push_back("-fms-extensions=1"); 437 if (Opts.ObjCNonFragileABI) 438 Res.push_back("-fobjc-nonfragile-abi"); 439 // NoInline is implicit. 440 if (!Opts.CXXOperatorNames) 441 Res.push_back("-fno-operator-names"); 442 if (Opts.PascalStrings) 443 Res.push_back("-fpascal-strings"); 444 if (Opts.WritableStrings) 445 Res.push_back("-fwritable-strings"); 446 if (!Opts.LaxVectorConversions) 447 Res.push_back("-fno-lax-vector-conversions"); 448 if (Opts.AltiVec) 449 Res.push_back("-faltivec"); 450 if (Opts.Exceptions) 451 Res.push_back("-fexceptions"); 452 if (!Opts.RTTI) 453 Res.push_back("-fno-rtti"); 454 if (!Opts.NeXTRuntime) 455 Res.push_back("-fgnu-runtime"); 456 if (Opts.Freestanding) 457 Res.push_back("-ffreestanding"); 458 if (Opts.NoBuiltin) 459 Res.push_back("-fno-builtin"); 460 if (Opts.ThreadsafeStatics) 461 llvm::llvm_report_error("FIXME: Not yet implemented!"); 462 if (Opts.POSIXThreads) 463 Res.push_back("-pthread"); 464 if (Opts.Blocks) 465 Res.push_back("-fblocks"); 466 if (Opts.EmitAllDecls) 467 Res.push_back("-femit-all-decls"); 468 if (!Opts.MathErrno) 469 Res.push_back("-fno-math-errno"); 470 if (Opts.OverflowChecking) 471 Res.push_back("-ftrapv"); 472 if (Opts.HeinousExtensions) 473 Res.push_back("-fheinous-gnu-extensions"); 474 // Optimize is implicit. 475 // OptimizeSize is implicit. 476 if (Opts.Static) 477 Res.push_back("-static-define"); 478 if (Opts.PICLevel) { 479 Res.push_back("-pic-level"); 480 Res.push_back(llvm::utostr(Opts.PICLevel)); 481 } 482 if (Opts.ObjCGCBitmapPrint) 483 Res.push_back("-print-ivar-layout"); 484 // FIXME: Don't forget to update when the default changes! 485 if (Opts.AccessControl) 486 Res.push_back("-faccess-control"); 487 if (!Opts.CharIsSigned) 488 Res.push_back("-fno-signed-char"); 489 if (Opts.ShortWChar) 490 Res.push_back("-fshort-wchar"); 491 if (!Opts.ElideConstructors) 492 Res.push_back("-fno-elide-constructors"); 493 if (Opts.getGCMode() != LangOptions::NonGC) { 494 if (Opts.getGCMode() == LangOptions::HybridGC) { 495 Res.push_back("-fobjc-gc"); 496 } else { 497 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 498 Res.push_back("-fobjc-gc-only"); 499 } 500 } 501 if (Opts.getVisibilityMode() != LangOptions::Default) { 502 Res.push_back("-fvisibility"); 503 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 504 Res.push_back("hidden"); 505 } else { 506 assert(Opts.getVisibilityMode() == LangOptions::Protected && 507 "Invalid visibility!"); 508 Res.push_back("protected"); 509 } 510 } 511 if (Opts.getStackProtectorMode() != 0) { 512 Res.push_back("-stack-protector"); 513 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 514 } 515 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 516 Res.push_back("-ftemplate-depth"); 517 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 518 } 519 if (!Opts.ObjCConstantStringClass.empty()) { 520 Res.push_back("-fconstant-string-class"); 521 Res.push_back(Opts.ObjCConstantStringClass); 522 } 523 } 524 525 static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 526 std::vector<std::string> &Res) { 527 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 528 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 529 Opts.Macros[i].first); 530 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 531 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 532 Res.push_back("-include"); 533 Res.push_back(Opts.Includes[i]); 534 } 535 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 536 Res.push_back("-imacros"); 537 Res.push_back(Opts.MacroIncludes[i]); 538 } 539 if (!Opts.UsePredefines) 540 Res.push_back("-undef"); 541 if (!Opts.ImplicitPCHInclude.empty()) { 542 Res.push_back("-include-pch"); 543 Res.push_back(Opts.ImplicitPCHInclude); 544 } 545 if (!Opts.ImplicitPTHInclude.empty()) { 546 Res.push_back("-include-pth"); 547 Res.push_back(Opts.ImplicitPTHInclude); 548 } 549 if (!Opts.TokenCache.empty()) { 550 if (Opts.ImplicitPTHInclude.empty()) { 551 Res.push_back("-token-cache"); 552 Res.push_back(Opts.TokenCache); 553 } else 554 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 555 "Unsupported option combination!"); 556 } 557 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 558 Res.push_back("-remap-file"); 559 Res.push_back(Opts.RemappedFiles[i].first + ";" + 560 Opts.RemappedFiles[i].second); 561 } 562 } 563 564 static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 565 std::vector<std::string> &Res) { 566 if (!Opts.ShowCPP && !Opts.ShowMacros) 567 llvm::llvm_report_error("Invalid option combination!"); 568 569 if (Opts.ShowCPP && Opts.ShowMacros) 570 Res.push_back("-dD"); 571 else if (!Opts.ShowCPP && Opts.ShowMacros) 572 Res.push_back("-dM"); 573 574 if (!Opts.ShowLineMarkers) 575 Res.push_back("-P"); 576 if (Opts.ShowComments) 577 Res.push_back("-C"); 578 if (Opts.ShowMacroComments) 579 Res.push_back("-CC"); 580 } 581 582 static void TargetOptsToArgs(const TargetOptions &Opts, 583 std::vector<std::string> &Res) { 584 Res.push_back("-triple"); 585 Res.push_back(Opts.Triple); 586 if (!Opts.CPU.empty()) { 587 Res.push_back("-mcpu"); 588 Res.push_back(Opts.CPU); 589 } 590 if (!Opts.ABI.empty()) { 591 Res.push_back("-target-abi"); 592 Res.push_back(Opts.ABI); 593 } 594 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 595 Res.push_back("-target-feature"); 596 Res.push_back(Opts.Features[i]); 597 } 598 } 599 600 void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 601 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 602 CodeGenOptsToArgs(getCodeGenOpts(), Res); 603 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 604 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 605 FrontendOptsToArgs(getFrontendOpts(), Res); 606 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 607 LangOptsToArgs(getLangOpts(), Res); 608 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 609 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 610 TargetOptsToArgs(getTargetOpts(), Res); 611 } 612 613 //===----------------------------------------------------------------------===// 614 // Deserialization (to args) 615 //===----------------------------------------------------------------------===// 616 617 using namespace clang::driver; 618 using namespace clang::driver::cc1options; 619 620 static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 621 llvm::StringRef Default = "") { 622 if (Arg *A = Args.getLastArg(ID)) 623 return A->getValue(Args); 624 return Default; 625 } 626 627 static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 628 int Default, Diagnostic &Diags) { 629 Arg *A = Args.getLastArg(ID); 630 if (!A) 631 return Default; 632 633 int Res = Default; 634 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 635 Diags.Report(diag::err_drv_invalid_int_value) 636 << A->getAsString(Args) << A->getValue(Args); 637 638 return Res; 639 } 640 641 static std::vector<std::string> 642 getAllArgValues(ArgList &Args, cc1options::ID ID) { 643 llvm::SmallVector<const char *, 16> Values; 644 Args.AddAllArgValues(Values, ID); 645 return std::vector<std::string>(Values.begin(), Values.end()); 646 } 647 648 // 649 650 static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 651 Diagnostic &Diags) { 652 using namespace cc1options; 653 654 Opts.AnalysisList.clear(); 655 #define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 656 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 657 #include "clang/Frontend/Analyses.def" 658 659 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 660 llvm::StringRef Name = A->getValue(Args); 661 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 662 #define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 663 .Case(CMDFLAG, NAME##Model) 664 #include "clang/Frontend/Analyses.def" 665 .Default(NumStores); 666 // FIXME: Error handling. 667 if (Value == NumStores) 668 Diags.Report(diag::err_drv_invalid_value) 669 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 670 else 671 Opts.AnalysisStoreOpt = Value; 672 } 673 674 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 675 llvm::StringRef Name = A->getValue(Args); 676 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 677 #define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 678 .Case(CMDFLAG, NAME##Model) 679 #include "clang/Frontend/Analyses.def" 680 .Default(NumConstraints); 681 // FIXME: Error handling. 682 if (Value == NumConstraints) 683 Diags.Report(diag::err_drv_invalid_value) 684 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 685 else 686 Opts.AnalysisConstraintsOpt = Value; 687 } 688 689 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 690 llvm::StringRef Name = A->getValue(Args); 691 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 692 #define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 693 .Case(CMDFLAG, PD_##NAME) 694 #include "clang/Frontend/Analyses.def" 695 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 696 // FIXME: Error handling. 697 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 698 Diags.Report(diag::err_drv_invalid_value) 699 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 700 else 701 Opts.AnalysisDiagOpt = Value; 702 } 703 704 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 705 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 706 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 707 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 708 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 709 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 710 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 711 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 712 Opts.EnableExperimentalInternalChecks = 713 Args.hasArg(OPT_analyzer_experimental_internal_checks); 714 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 715 } 716 717 static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 718 Diagnostic &Diags) { 719 using namespace cc1options; 720 // -Os implies -O2 721 if (Args.hasArg(OPT_Os)) 722 Opts.OptimizationLevel = 2; 723 else { 724 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 725 if (Opts.OptimizationLevel > 3) { 726 Diags.Report(diag::err_drv_invalid_value) 727 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 728 Opts.OptimizationLevel = 3; 729 } 730 } 731 732 // We must always run at least the always inlining pass. 733 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 734 : CodeGenOptions::OnlyAlwaysInlining; 735 736 Opts.DebugInfo = Args.hasArg(OPT_g); 737 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 738 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 739 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 740 Opts.NoCommon = Args.hasArg(OPT_fno_common); 741 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 742 Opts.OptimizeSize = Args.hasArg(OPT_Os); 743 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 744 745 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 746 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 747 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 748 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 749 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 750 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 751 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 752 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 753 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 754 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 755 756 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 757 758 // FIXME: Put elsewhere? 759 #ifdef NDEBUG 760 Opts.VerifyModule = 0; 761 #else 762 Opts.VerifyModule = 1; 763 #endif 764 } 765 766 static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 767 ArgList &Args) { 768 using namespace cc1options; 769 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 770 Opts.Targets = getAllArgValues(Args, OPT_MT); 771 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 772 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 773 } 774 775 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 776 Diagnostic &Diags) { 777 using namespace cc1options; 778 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 779 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 780 Opts.Pedantic = Args.hasArg(OPT_pedantic); 781 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 782 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 783 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 784 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 785 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 786 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 787 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 788 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 789 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 790 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 791 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 792 Opts.Warnings = getAllArgValues(Args, OPT_W); 793 } 794 795 static FrontendOptions::InputKind 796 ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 797 using namespace cc1options; 798 Opts.ProgramAction = frontend::ParseSyntaxOnly; 799 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 800 switch (A->getOption().getID()) { 801 default: 802 assert(0 && "Invalid option in group!"); 803 case OPT_ast_dump: 804 Opts.ProgramAction = frontend::ASTDump; break; 805 case OPT_ast_print: 806 Opts.ProgramAction = frontend::ASTPrint; break; 807 case OPT_ast_print_xml: 808 Opts.ProgramAction = frontend::ASTPrintXML; break; 809 case OPT_ast_view: 810 Opts.ProgramAction = frontend::ASTView; break; 811 case OPT_dump_raw_tokens: 812 Opts.ProgramAction = frontend::DumpRawTokens; break; 813 case OPT_dump_record_layouts: 814 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 815 case OPT_dump_tokens: 816 Opts.ProgramAction = frontend::DumpTokens; break; 817 case OPT_S: 818 Opts.ProgramAction = frontend::EmitAssembly; break; 819 case OPT_emit_llvm_bc: 820 Opts.ProgramAction = frontend::EmitBC; break; 821 case OPT_emit_html: 822 Opts.ProgramAction = frontend::EmitHTML; break; 823 case OPT_emit_llvm: 824 Opts.ProgramAction = frontend::EmitLLVM; break; 825 case OPT_emit_llvm_only: 826 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 827 case OPT_fixit: 828 Opts.ProgramAction = frontend::FixIt; break; 829 case OPT_emit_pch: 830 Opts.ProgramAction = frontend::GeneratePCH; break; 831 case OPT_emit_pth: 832 Opts.ProgramAction = frontend::GeneratePTH; break; 833 case OPT_parse_noop: 834 Opts.ProgramAction = frontend::ParseNoop; break; 835 case OPT_parse_print_callbacks: 836 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 837 case OPT_fsyntax_only: 838 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 839 case OPT_print_decl_contexts: 840 Opts.ProgramAction = frontend::PrintDeclContext; break; 841 case OPT_E: 842 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 843 case OPT_rewrite_blocks: 844 Opts.ProgramAction = frontend::RewriteBlocks; break; 845 case OPT_rewrite_macros: 846 Opts.ProgramAction = frontend::RewriteMacros; break; 847 case OPT_rewrite_objc: 848 Opts.ProgramAction = frontend::RewriteObjC; break; 849 case OPT_rewrite_test: 850 Opts.ProgramAction = frontend::RewriteTest; break; 851 case OPT_analyze: 852 Opts.ProgramAction = frontend::RunAnalysis; break; 853 case OPT_Eonly: 854 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 855 } 856 } 857 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 858 Opts.ProgramAction = frontend::PluginAction; 859 Opts.ActionName = A->getValue(Args); 860 } 861 862 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 863 Opts.CodeCompletionAt = 864 ParsedSourceLocation::FromString(A->getValue(Args)); 865 if (Opts.CodeCompletionAt.FileName.empty()) 866 Diags.Report(diag::err_drv_invalid_value) 867 << A->getAsString(Args) << A->getValue(Args); 868 } 869 Opts.DebugCodeCompletionPrinter = 870 !Args.hasArg(OPT_no_code_completion_debug_printer); 871 Opts.DisableFree = Args.hasArg(OPT_disable_free); 872 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 873 874 Opts.FixItLocations.clear(); 875 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 876 ie = Args.filtered_end(); it != ie; ++it) { 877 const char *Loc = it->getValue(Args); 878 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 879 880 if (PSL.FileName.empty()) { 881 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 882 continue; 883 } 884 885 Opts.FixItLocations.push_back(PSL); 886 } 887 888 Opts.OutputFile = getLastArgValue(Args, OPT_o); 889 Opts.Plugins = getAllArgValues(Args, OPT_load); 890 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 891 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 892 Opts.ShowStats = Args.hasArg(OPT_print_stats); 893 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 894 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 895 896 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 897 if (const Arg *A = Args.getLastArg(OPT_x)) { 898 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 899 .Case("c", FrontendOptions::IK_C) 900 .Case("cl", FrontendOptions::IK_OpenCL) 901 .Case("c", FrontendOptions::IK_C) 902 .Case("cl", FrontendOptions::IK_OpenCL) 903 .Case("c++", FrontendOptions::IK_CXX) 904 .Case("objective-c", FrontendOptions::IK_ObjC) 905 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 906 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 907 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 908 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 909 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 910 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 911 .Case("c-header", FrontendOptions::IK_C) 912 .Case("objective-c-header", FrontendOptions::IK_ObjC) 913 .Case("c++-header", FrontendOptions::IK_CXX) 914 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 915 .Case("ast", FrontendOptions::IK_AST) 916 .Default(FrontendOptions::IK_None); 917 if (DashX == FrontendOptions::IK_None) 918 Diags.Report(diag::err_drv_invalid_value) 919 << A->getAsString(Args) << A->getValue(Args); 920 } 921 922 // '-' is the default input if none is given. 923 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 924 Opts.Inputs.clear(); 925 if (Inputs.empty()) 926 Inputs.push_back("-"); 927 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 928 FrontendOptions::InputKind IK = DashX; 929 if (IK == FrontendOptions::IK_None) { 930 IK = FrontendOptions::getInputKindForExtension( 931 llvm::StringRef(Inputs[i]).rsplit('.').second); 932 // FIXME: Remove this hack. 933 if (i == 0) 934 DashX = IK; 935 } 936 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 937 } 938 939 return DashX; 940 } 941 942 static std::string GetBuiltinIncludePath(const char *Argv0, 943 void *MainAddr) { 944 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 945 946 if (!P.isEmpty()) { 947 P.eraseComponent(); // Remove /clang from foo/bin/clang 948 P.eraseComponent(); // Remove /bin from foo/bin 949 950 // Get foo/lib/clang/<version>/include 951 P.appendComponent("lib"); 952 P.appendComponent("clang"); 953 P.appendComponent(CLANG_VERSION_STRING); 954 P.appendComponent("include"); 955 } 956 957 return P.str(); 958 } 959 960 static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args, 961 const char *Argv0, void *MainAddr) { 962 using namespace cc1options; 963 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 964 Opts.Verbose = Args.hasArg(OPT_v); 965 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 966 Opts.BuiltinIncludePath = ""; 967 // FIXME: Add an option for this, its a slow call. 968 if (!Args.hasArg(OPT_nobuiltininc)) 969 Opts.BuiltinIncludePath = GetBuiltinIncludePath(Argv0, MainAddr); 970 971 // Add -I... and -F... options in order. 972 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 973 ie = Args.filtered_end(); it != ie; ++it) 974 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 975 /*IsFramework=*/ it->getOption().matches(OPT_F)); 976 977 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 978 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 979 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 980 OPT_iwithprefixbefore), 981 ie = Args.filtered_end(); it != ie; ++it) { 982 if (it->getOption().matches(OPT_iprefix)) 983 Prefix = it->getValue(Args); 984 else if (it->getOption().matches(OPT_iwithprefix)) 985 Opts.AddPath(Prefix.str() + it->getValue(Args), 986 frontend::System, false, false); 987 else 988 Opts.AddPath(Prefix.str() + it->getValue(Args), 989 frontend::Angled, false, false); 990 } 991 992 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 993 ie = Args.filtered_end(); it != ie; ++it) 994 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 995 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 996 ie = Args.filtered_end(); it != ie; ++it) 997 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 998 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 999 ie = Args.filtered_end(); it != ie; ++it) 1000 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1001 1002 // FIXME: Need options for the various environment variables! 1003 } 1004 1005 static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1006 FrontendOptions::InputKind IK, 1007 Diagnostic &Diags) { 1008 // FIXME: Cleanup per-file based stuff. 1009 1010 // Set some properties which depend soley on the input kind; it would be nice 1011 // to move these to the language standard, and have the driver resolve the 1012 // input kind + language standard. 1013 if (IK == FrontendOptions::IK_Asm) { 1014 Opts.AsmPreprocessor = 1; 1015 } else if (IK == FrontendOptions::IK_ObjC || 1016 IK == FrontendOptions::IK_ObjCXX || 1017 IK == FrontendOptions::IK_PreprocessedObjC || 1018 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1019 Opts.ObjC1 = Opts.ObjC2 = 1; 1020 } 1021 1022 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1023 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1024 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1025 #define LANGSTANDARD(id, name, desc, features) \ 1026 .Case(name, LangStandard::lang_##id) 1027 #include "clang/Frontend/LangStandards.def" 1028 .Default(LangStandard::lang_unspecified); 1029 if (LangStd == LangStandard::lang_unspecified) 1030 Diags.Report(diag::err_drv_invalid_value) 1031 << A->getAsString(Args) << A->getValue(Args); 1032 } 1033 1034 if (LangStd == LangStandard::lang_unspecified) { 1035 // Based on the base language, pick one. 1036 switch (IK) { 1037 case FrontendOptions::IK_None: 1038 case FrontendOptions::IK_AST: 1039 assert(0 && "Invalid input kind!"); 1040 case FrontendOptions::IK_OpenCL: 1041 LangStd = LangStandard::lang_opencl; 1042 break; 1043 case FrontendOptions::IK_Asm: 1044 case FrontendOptions::IK_C: 1045 case FrontendOptions::IK_PreprocessedC: 1046 case FrontendOptions::IK_ObjC: 1047 case FrontendOptions::IK_PreprocessedObjC: 1048 LangStd = LangStandard::lang_gnu99; 1049 break; 1050 case FrontendOptions::IK_CXX: 1051 case FrontendOptions::IK_PreprocessedCXX: 1052 case FrontendOptions::IK_ObjCXX: 1053 case FrontendOptions::IK_PreprocessedObjCXX: 1054 LangStd = LangStandard::lang_gnucxx98; 1055 break; 1056 } 1057 } 1058 1059 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1060 Opts.BCPLComment = Std.hasBCPLComments(); 1061 Opts.C99 = Std.isC99(); 1062 Opts.CPlusPlus = Std.isCPlusPlus(); 1063 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1064 Opts.Digraphs = Std.hasDigraphs(); 1065 Opts.GNUMode = Std.isGNUMode(); 1066 Opts.GNUInline = !Std.isC99(); 1067 Opts.HexFloats = Std.hasHexFloats(); 1068 Opts.ImplicitInt = Std.hasImplicitInt(); 1069 1070 // OpenCL has some additional defaults. 1071 if (LangStd == LangStandard::lang_opencl) { 1072 Opts.OpenCL = 1; 1073 Opts.AltiVec = 1; 1074 Opts.CXXOperatorNames = 1; 1075 Opts.LaxVectorConversions = 1; 1076 } 1077 1078 // OpenCL and C++ both have bool, true, false keywords. 1079 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1080 1081 if (Opts.CPlusPlus) 1082 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1083 1084 if (Args.hasArg(OPT_fobjc_gc_only)) 1085 Opts.setGCMode(LangOptions::GCOnly); 1086 else if (Args.hasArg(OPT_fobjc_gc)) 1087 Opts.setGCMode(LangOptions::HybridGC); 1088 1089 if (Args.hasArg(OPT_print_ivar_layout)) 1090 Opts.ObjCGCBitmapPrint = 1; 1091 1092 if (Args.hasArg(OPT_faltivec)) 1093 Opts.AltiVec = 1; 1094 1095 if (Args.hasArg(OPT_pthread)) 1096 Opts.POSIXThreads = 1; 1097 1098 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1099 "default"); 1100 if (Vis == "default") 1101 Opts.setVisibilityMode(LangOptions::Default); 1102 else if (Vis == "hidden") 1103 Opts.setVisibilityMode(LangOptions::Hidden); 1104 else if (Vis == "protected") 1105 Opts.setVisibilityMode(LangOptions::Protected); 1106 else 1107 Diags.Report(diag::err_drv_invalid_value) 1108 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1109 1110 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1111 1112 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1113 // is specified, or -std is set to a conforming mode. 1114 Opts.Trigraphs = !Opts.GNUMode; 1115 if (Args.hasArg(OPT_trigraphs)) 1116 Opts.Trigraphs = 1; 1117 1118 Opts.DollarIdents = !Opts.AsmPreprocessor; 1119 if (Args.hasArg(OPT_fdollars_in_identifiers)) 1120 Opts.DollarIdents = 1; 1121 1122 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1123 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1124 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1125 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1126 Opts.LaxVectorConversions = 0; 1127 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1128 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1129 Opts.Blocks = Args.hasArg(OPT_fblocks); 1130 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1131 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1132 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1133 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1134 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1135 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1136 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1137 Opts.MathErrno = !Args.hasArg(OPT_fno_math_errno); 1138 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1139 Diags); 1140 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1141 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1142 OPT_fconstant_string_class); 1143 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1144 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1145 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1146 Opts.Static = Args.hasArg(OPT_static_define); 1147 Opts.OptimizeSize = 0; 1148 1149 // FIXME: Eliminate this dependency. 1150 unsigned Opt = 1151 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1152 Opts.Optimize = Opt != 0; 1153 1154 // This is the __NO_INLINE__ define, which just depends on things like the 1155 // optimization level and -fno-inline, not actually whether the backend has 1156 // inlining enabled. 1157 // 1158 // FIXME: This is affected by other options (-fno-inline). 1159 Opts.NoInline = !Opt; 1160 1161 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1162 switch (SSP) { 1163 default: 1164 Diags.Report(diag::err_drv_invalid_value) 1165 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1166 break; 1167 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1168 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1169 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1170 } 1171 } 1172 1173 static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1174 Diagnostic &Diags) { 1175 using namespace cc1options; 1176 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1177 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1178 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1179 Opts.TokenCache = A->getValue(Args); 1180 else 1181 Opts.TokenCache = Opts.ImplicitPTHInclude; 1182 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1183 1184 // Add macros from the command line. 1185 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1186 ie = Args.filtered_end(); it != ie; ++it) { 1187 if (it->getOption().matches(OPT_D)) 1188 Opts.addMacroDef(it->getValue(Args)); 1189 else 1190 Opts.addMacroUndef(it->getValue(Args)); 1191 } 1192 1193 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1194 1195 // Add the ordered list of -includes. 1196 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1197 OPT_include_pth), 1198 ie = Args.filtered_end(); it != ie; ++it) { 1199 // PCH is handled specially, we need to extra the original include path. 1200 if (it->getOption().matches(OPT_include_pch)) { 1201 std::string OriginalFile = 1202 PCHReader::getOriginalSourceFile(it->getValue(Args)); 1203 1204 // FIXME: Don't fail like this. 1205 if (OriginalFile.empty()) 1206 exit(1); 1207 1208 Opts.Includes.push_back(OriginalFile); 1209 } else 1210 Opts.Includes.push_back(it->getValue(Args)); 1211 } 1212 1213 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1214 ie = Args.filtered_end(); it != ie; ++it) { 1215 std::pair<llvm::StringRef,llvm::StringRef> Split = 1216 llvm::StringRef(it->getValue(Args)).split(';'); 1217 1218 if (Split.second.empty()) { 1219 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1220 continue; 1221 } 1222 1223 Opts.addRemappedFile(Split.first, Split.second); 1224 } 1225 } 1226 1227 static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1228 ArgList &Args) { 1229 using namespace cc1options; 1230 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1231 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1232 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1233 Opts.ShowComments = Args.hasArg(OPT_C); 1234 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1235 } 1236 1237 static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1238 using namespace cc1options; 1239 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1240 Opts.CPU = getLastArgValue(Args, OPT_mcpu); 1241 Opts.Triple = getLastArgValue(Args, OPT_triple); 1242 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1243 1244 // Use the host triple if unspecified. 1245 if (Opts.Triple.empty()) 1246 Opts.Triple = llvm::sys::getHostTriple(); 1247 } 1248 1249 // 1250 1251 void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1252 const char **ArgBegin, 1253 const char **ArgEnd, 1254 const char *Argv0, 1255 void *MainAddr, 1256 Diagnostic &Diags) { 1257 // Parse the arguments. 1258 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1259 unsigned MissingArgIndex, MissingArgCount; 1260 llvm::OwningPtr<InputArgList> Args( 1261 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1262 1263 // Check for missing argument error. 1264 if (MissingArgCount) 1265 Diags.Report(diag::err_drv_missing_argument) 1266 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1267 1268 // Issue errors on unknown arguments. 1269 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1270 ie = Args->filtered_end(); it != ie; ++it) 1271 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1272 1273 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1274 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1275 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1276 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1277 FrontendOptions::InputKind DashX = 1278 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1279 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args, 1280 Argv0, MainAddr); 1281 if (DashX != FrontendOptions::IK_AST) 1282 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1283 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1284 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1285 ParseTargetArgs(Res.getTargetOpts(), *Args); 1286 } 1287