CompilerInvocation.cpp revision 13c4f2144b35bda21746eb60ad90e52a9bd8dcda
1//===--- CompilerInvocation.cpp -------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "clang/Frontend/CompilerInvocation.h" 11#include "clang/Basic/Diagnostic.h" 12#include "clang/Basic/Version.h" 13#include "clang/Basic/FileManager.h" 14#include "clang/Driver/Arg.h" 15#include "clang/Driver/ArgList.h" 16#include "clang/Driver/CC1Options.h" 17#include "clang/Driver/DriverDiagnostic.h" 18#include "clang/Driver/OptTable.h" 19#include "clang/Driver/Option.h" 20#include "clang/Frontend/CompilerInvocation.h" 21#include "clang/Frontend/LangStandard.h" 22#include "clang/Serialization/ASTReader.h" 23#include "llvm/ADT/OwningPtr.h" 24#include "llvm/ADT/SmallVector.h" 25#include "llvm/ADT/StringExtras.h" 26#include "llvm/ADT/StringSwitch.h" 27#include "llvm/ADT/Triple.h" 28#include "llvm/Support/ErrorHandling.h" 29#include "llvm/Support/Host.h" 30#include "llvm/Support/Path.h" 31using namespace clang; 32 33static const char *getAnalysisStoreName(AnalysisStores Kind) { 34 switch (Kind) { 35 default: 36 llvm_unreachable("Unknown analysis store!"); 37#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 38 case NAME##Model: return CMDFLAG; 39#include "clang/Frontend/Analyses.def" 40 } 41} 42 43static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 44 switch (Kind) { 45 default: 46 llvm_unreachable("Unknown analysis constraints!"); 47#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 48 case NAME##Model: return CMDFLAG; 49#include "clang/Frontend/Analyses.def" 50 } 51} 52 53static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 54 switch (Kind) { 55 default: 56 llvm_unreachable("Unknown analysis client!"); 57#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 58 case PD_##NAME: return CMDFLAG; 59#include "clang/Frontend/Analyses.def" 60 } 61} 62 63//===----------------------------------------------------------------------===// 64// Serialization (to args) 65//===----------------------------------------------------------------------===// 66 67static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 68 std::vector<std::string> &Res) { 69 if (Opts.ShowCheckerHelp) 70 Res.push_back("-analyzer-checker-help"); 71 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 72 Res.push_back("-analyzer-store"); 73 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 74 } 75 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 76 Res.push_back("-analyzer-constraints"); 77 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 78 } 79 if (Opts.AnalysisDiagOpt != PD_HTML) { 80 Res.push_back("-analyzer-output"); 81 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 82 } 83 if (!Opts.AnalyzeSpecificFunction.empty()) { 84 Res.push_back("-analyze-function"); 85 Res.push_back(Opts.AnalyzeSpecificFunction); 86 } 87 if (Opts.AnalyzeAll) 88 Res.push_back("-analyzer-opt-analyze-headers"); 89 if (Opts.AnalyzerDisplayProgress) 90 Res.push_back("-analyzer-display-progress"); 91 if (Opts.AnalyzeNestedBlocks) 92 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 93 if (Opts.EagerlyAssume) 94 Res.push_back("-analyzer-eagerly-assume"); 95 if (!Opts.PurgeDead) 96 Res.push_back("-analyzer-no-purge-dead"); 97 if (Opts.TrimGraph) 98 Res.push_back("-trim-egraph"); 99 if (Opts.VisualizeEGDot) 100 Res.push_back("-analyzer-viz-egraph-graphviz"); 101 if (Opts.VisualizeEGUbi) 102 Res.push_back("-analyzer-viz-egraph-ubigraph"); 103 104 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 105 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 106 if (opt.second) 107 Res.push_back("-analyzer-disable-checker"); 108 else 109 Res.push_back("-analyzer-checker"); 110 Res.push_back(opt.first); 111 } 112} 113 114static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 115 std::vector<std::string> &Res) { 116 if (Opts.DebugInfo) 117 Res.push_back("-g"); 118 if (Opts.DisableLLVMOpts) 119 Res.push_back("-disable-llvm-optzns"); 120 if (Opts.DisableRedZone) 121 Res.push_back("-disable-red-zone"); 122 if (!Opts.DwarfDebugFlags.empty()) { 123 Res.push_back("-dwarf-debug-flags"); 124 Res.push_back(Opts.DwarfDebugFlags); 125 } 126 if (Opts.EmitGcovArcs) 127 Res.push_back("-femit-coverage-data"); 128 if (Opts.EmitGcovNotes) 129 Res.push_back("-femit-coverage-notes"); 130 if (!Opts.MergeAllConstants) 131 Res.push_back("-fno-merge-all-constants"); 132 if (Opts.NoCommon) 133 Res.push_back("-fno-common"); 134 if (Opts.ForbidGuardVariables) 135 Res.push_back("-fforbid-guard-variables"); 136 if (Opts.UseRegisterSizedBitfieldAccess) 137 Res.push_back("-fuse-register-sized-bitfield-access"); 138 if (Opts.NoImplicitFloat) 139 Res.push_back("-no-implicit-float"); 140 if (Opts.OmitLeafFramePointer) 141 Res.push_back("-momit-leaf-frame-pointer"); 142 if (Opts.OptimizeSize) { 143 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 144 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 145 } else if (Opts.OptimizationLevel != 0) 146 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 147 if (!Opts.MainFileName.empty()) { 148 Res.push_back("-main-file-name"); 149 Res.push_back(Opts.MainFileName); 150 } 151 // SimplifyLibCalls is only derived. 152 // TimePasses is only derived. 153 // UnitAtATime is unused. 154 // Inlining is only derived. 155 156 // UnrollLoops is derived, but also accepts an option, no 157 // harm in pushing it back here. 158 if (Opts.UnrollLoops) 159 Res.push_back("-funroll-loops"); 160 if (Opts.DataSections) 161 Res.push_back("-fdata-sections"); 162 if (Opts.FunctionSections) 163 Res.push_back("-ffunction-sections"); 164 if (Opts.AsmVerbose) 165 Res.push_back("-masm-verbose"); 166 if (!Opts.CodeModel.empty()) { 167 Res.push_back("-mcode-model"); 168 Res.push_back(Opts.CodeModel); 169 } 170 if (!Opts.CXAAtExit) 171 Res.push_back("-fno-use-cxa-atexit"); 172 if (Opts.CXXCtorDtorAliases) 173 Res.push_back("-mconstructor-aliases"); 174 if (Opts.ObjCAutoRefCountExceptions) 175 Res.push_back("-fobjc-arc-eh"); 176 if (!Opts.DebugPass.empty()) { 177 Res.push_back("-mdebug-pass"); 178 Res.push_back(Opts.DebugPass); 179 } 180 if (Opts.DisableFPElim) 181 Res.push_back("-mdisable-fp-elim"); 182 if (!Opts.FloatABI.empty()) { 183 Res.push_back("-mfloat-abi"); 184 Res.push_back(Opts.FloatABI); 185 } 186 if (!Opts.LimitFloatPrecision.empty()) { 187 Res.push_back("-mlimit-float-precision"); 188 Res.push_back(Opts.LimitFloatPrecision); 189 } 190 if (Opts.NoZeroInitializedInBSS) 191 Res.push_back("-mno-zero-initialized-bss"); 192 switch (Opts.getObjCDispatchMethod()) { 193 case CodeGenOptions::Legacy: 194 break; 195 case CodeGenOptions::Mixed: 196 Res.push_back("-fobjc-dispatch-method=mixed"); 197 break; 198 case CodeGenOptions::NonLegacy: 199 Res.push_back("-fobjc-dispatch-method=non-legacy"); 200 break; 201 } 202 if (Opts.NumRegisterParameters) { 203 Res.push_back("-mregparm"); 204 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 205 } 206 if (Opts.NoExecStack) 207 Res.push_back("-mnoexecstack"); 208 if (Opts.RelaxAll) 209 Res.push_back("-mrelax-all"); 210 if (Opts.SaveTempLabels) 211 Res.push_back("-msave-temp-labels"); 212 if (Opts.NoDwarf2CFIAsm) 213 Res.push_back("-fno-dwarf2-cfi-asm"); 214 if (Opts.SoftFloat) 215 Res.push_back("-msoft-float"); 216 if (Opts.UnwindTables) 217 Res.push_back("-munwind-tables"); 218 if (Opts.RelocationModel != "pic") { 219 Res.push_back("-mrelocation-model"); 220 Res.push_back(Opts.RelocationModel); 221 } 222 if (!Opts.VerifyModule) 223 Res.push_back("-disable-llvm-verifier"); 224 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 225 Res.push_back("-backend-option"); 226 Res.push_back(Opts.BackendOptions[i]); 227 } 228} 229 230static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 231 std::vector<std::string> &Res) { 232 if (Opts.IncludeSystemHeaders) 233 Res.push_back("-sys-header-deps"); 234 if (Opts.ShowHeaderIncludes) 235 Res.push_back("-H"); 236 if (!Opts.HeaderIncludeOutputFile.empty()) { 237 Res.push_back("-header-include-file"); 238 Res.push_back(Opts.HeaderIncludeOutputFile); 239 } 240 if (Opts.UsePhonyTargets) 241 Res.push_back("-MP"); 242 if (!Opts.OutputFile.empty()) { 243 Res.push_back("-dependency-file"); 244 Res.push_back(Opts.OutputFile); 245 } 246 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 247 Res.push_back("-MT"); 248 Res.push_back(Opts.Targets[i]); 249 } 250} 251 252static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 253 std::vector<std::string> &Res) { 254 if (Opts.IgnoreWarnings) 255 Res.push_back("-w"); 256 if (Opts.NoRewriteMacros) 257 Res.push_back("-Wno-rewrite-macros"); 258 if (Opts.Pedantic) 259 Res.push_back("-pedantic"); 260 if (Opts.PedanticErrors) 261 Res.push_back("-pedantic-errors"); 262 if (!Opts.ShowColumn) 263 Res.push_back("-fno-show-column"); 264 if (!Opts.ShowLocation) 265 Res.push_back("-fno-show-source-location"); 266 if (!Opts.ShowCarets) 267 Res.push_back("-fno-caret-diagnostics"); 268 if (!Opts.ShowFixits) 269 Res.push_back("-fno-diagnostics-fixit-info"); 270 if (Opts.ShowSourceRanges) 271 Res.push_back("-fdiagnostics-print-source-range-info"); 272 if (Opts.ShowParseableFixits) 273 Res.push_back("-fdiagnostics-parseable-fixits"); 274 if (Opts.ShowColors) 275 Res.push_back("-fcolor-diagnostics"); 276 if (Opts.VerifyDiagnostics) 277 Res.push_back("-verify"); 278 if (Opts.ShowNames) 279 Res.push_back("-fdiagnostics-show-name"); 280 if (Opts.ShowOptionNames) 281 Res.push_back("-fdiagnostics-show-option"); 282 if (Opts.ShowCategories == 1) 283 Res.push_back("-fdiagnostics-show-category=id"); 284 else if (Opts.ShowCategories == 2) 285 Res.push_back("-fdiagnostics-show-category=name"); 286 switch (Opts.Format) { 287 case DiagnosticOptions::Clang: 288 Res.push_back("-fdiagnostics-format=clang"); break; 289 case DiagnosticOptions::Msvc: 290 Res.push_back("-fdiagnostics-format=msvc"); break; 291 case DiagnosticOptions::Vi: 292 Res.push_back("-fdiagnostics-format=vi"); break; 293 } 294 if (Opts.ErrorLimit) { 295 Res.push_back("-ferror-limit"); 296 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 297 } 298 if (!Opts.DiagnosticLogFile.empty()) { 299 Res.push_back("-diagnostic-log-file"); 300 Res.push_back(Opts.DiagnosticLogFile); 301 } 302 if (Opts.MacroBacktraceLimit 303 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 304 Res.push_back("-fmacro-backtrace-limit"); 305 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 306 } 307 if (Opts.TemplateBacktraceLimit 308 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 309 Res.push_back("-ftemplate-backtrace-limit"); 310 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 311 } 312 313 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 314 Res.push_back("-ftabstop"); 315 Res.push_back(llvm::utostr(Opts.TabStop)); 316 } 317 if (Opts.MessageLength) { 318 Res.push_back("-fmessage-length"); 319 Res.push_back(llvm::utostr(Opts.MessageLength)); 320 } 321 if (!Opts.DumpBuildInformation.empty()) { 322 Res.push_back("-dump-build-information"); 323 Res.push_back(Opts.DumpBuildInformation); 324 } 325 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 326 Res.push_back("-W" + Opts.Warnings[i]); 327} 328 329static const char *getInputKindName(InputKind Kind) { 330 switch (Kind) { 331 case IK_None: break; 332 case IK_AST: return "ast"; 333 case IK_Asm: return "assembler-with-cpp"; 334 case IK_C: return "c"; 335 case IK_CXX: return "c++"; 336 case IK_LLVM_IR: return "ir"; 337 case IK_ObjC: return "objective-c"; 338 case IK_ObjCXX: return "objective-c++"; 339 case IK_OpenCL: return "cl"; 340 case IK_CUDA: return "cuda"; 341 case IK_PreprocessedC: return "cpp-output"; 342 case IK_PreprocessedCXX: return "c++-cpp-output"; 343 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 344 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 345 } 346 347 llvm_unreachable("Unexpected language kind!"); 348 return 0; 349} 350 351static const char *getActionName(frontend::ActionKind Kind) { 352 switch (Kind) { 353 case frontend::PluginAction: 354 llvm_unreachable("Invalid kind!"); 355 356 case frontend::ASTDump: return "-ast-dump"; 357 case frontend::ASTDumpXML: return "-ast-dump-xml"; 358 case frontend::ASTPrint: return "-ast-print"; 359 case frontend::ASTView: return "-ast-view"; 360 case frontend::BoostCon: return "-boostcon"; 361 case frontend::CreateModule: return "-create-module"; 362 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 363 case frontend::DumpTokens: return "-dump-tokens"; 364 case frontend::EmitAssembly: return "-S"; 365 case frontend::EmitBC: return "-emit-llvm-bc"; 366 case frontend::EmitHTML: return "-emit-html"; 367 case frontend::EmitLLVM: return "-emit-llvm"; 368 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 369 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 370 case frontend::EmitObj: return "-emit-obj"; 371 case frontend::FixIt: return "-fixit"; 372 case frontend::GeneratePCH: return "-emit-pch"; 373 case frontend::GeneratePTH: return "-emit-pth"; 374 case frontend::InitOnly: return "-init-only"; 375 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 376 case frontend::PrintDeclContext: return "-print-decl-contexts"; 377 case frontend::PrintPreamble: return "-print-preamble"; 378 case frontend::PrintPreprocessedInput: return "-E"; 379 case frontend::RewriteMacros: return "-rewrite-macros"; 380 case frontend::RewriteObjC: return "-rewrite-objc"; 381 case frontend::RewriteTest: return "-rewrite-test"; 382 case frontend::RunAnalysis: return "-analyze"; 383 case frontend::RunPreprocessorOnly: return "-Eonly"; 384 } 385 386 llvm_unreachable("Unexpected language kind!"); 387 return 0; 388} 389 390static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 391 std::vector<std::string> &Res) { 392 if (!Opts.WorkingDir.empty()) { 393 Res.push_back("-working-directory"); 394 Res.push_back(Opts.WorkingDir); 395 } 396} 397 398static void FrontendOptsToArgs(const FrontendOptions &Opts, 399 std::vector<std::string> &Res) { 400 if (Opts.DisableFree) 401 Res.push_back("-disable-free"); 402 if (Opts.RelocatablePCH) 403 Res.push_back("-relocatable-pch"); 404 if (Opts.ChainedPCH) 405 Res.push_back("-chained-pch"); 406 if (Opts.ShowHelp) 407 Res.push_back("-help"); 408 if (Opts.ShowMacrosInCodeCompletion) 409 Res.push_back("-code-completion-macros"); 410 if (Opts.ShowCodePatternsInCodeCompletion) 411 Res.push_back("-code-completion-patterns"); 412 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 413 Res.push_back("-no-code-completion-globals"); 414 if (Opts.ShowStats) 415 Res.push_back("-print-stats"); 416 if (Opts.ShowTimers) 417 Res.push_back("-ftime-report"); 418 if (Opts.ShowVersion) 419 Res.push_back("-version"); 420 if (Opts.FixWhatYouCan) 421 Res.push_back("-fix-what-you-can"); 422 switch (Opts.ARCMTAction) { 423 case FrontendOptions::ARCMT_None: 424 break; 425 case FrontendOptions::ARCMT_Check: 426 Res.push_back("-arcmt-check"); 427 break; 428 case FrontendOptions::ARCMT_Modify: 429 Res.push_back("-arcmt-modify"); 430 break; 431 } 432 433 bool NeedLang = false; 434 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 435 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 436 Opts.Inputs[i].first) 437 NeedLang = true; 438 if (NeedLang) { 439 Res.push_back("-x"); 440 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 441 } 442 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 443 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 444 "Unable to represent this input vector!"); 445 Res.push_back(Opts.Inputs[i].second); 446 } 447 448 if (!Opts.OutputFile.empty()) { 449 Res.push_back("-o"); 450 Res.push_back(Opts.OutputFile); 451 } 452 if (!Opts.CodeCompletionAt.FileName.empty()) { 453 Res.push_back("-code-completion-at"); 454 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 455 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 456 llvm::utostr(Opts.CodeCompletionAt.Column)); 457 } 458 if (Opts.ProgramAction != frontend::PluginAction) 459 Res.push_back(getActionName(Opts.ProgramAction)); 460 if (!Opts.ActionName.empty()) { 461 Res.push_back("-plugin"); 462 Res.push_back(Opts.ActionName); 463 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 464 Res.push_back("-plugin-arg-" + Opts.ActionName); 465 Res.push_back(Opts.PluginArgs[i]); 466 } 467 } 468 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 469 Res.push_back("-load"); 470 Res.push_back(Opts.Plugins[i]); 471 } 472 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 473 Res.push_back("-add-plugin"); 474 Res.push_back(Opts.AddPluginActions[i]); 475 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 476 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 477 Res.push_back(Opts.AddPluginArgs[i][ai]); 478 } 479 } 480 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 481 Res.push_back("-ast-merge"); 482 Res.push_back(Opts.ASTMergeFiles[i]); 483 } 484 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 485 Res.push_back("-import-module"); 486 Res.push_back(Opts.Modules[i]); 487 } 488 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 489 Res.push_back("-mllvm"); 490 Res.push_back(Opts.LLVMArgs[i]); 491 } 492} 493 494static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 495 std::vector<std::string> &Res) { 496 if (Opts.Sysroot != "/") { 497 Res.push_back("-isysroot"); 498 Res.push_back(Opts.Sysroot); 499 } 500 501 /// User specified include entries. 502 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 503 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 504 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 505 llvm::report_fatal_error("Invalid option set!"); 506 if (E.IsUserSupplied) { 507 if (E.Group == frontend::After) { 508 Res.push_back("-idirafter"); 509 } else if (E.Group == frontend::Quoted) { 510 Res.push_back("-iquote"); 511 } else if (E.Group == frontend::System) { 512 Res.push_back("-isystem"); 513 } else if (E.Group == frontend::CXXSystem) { 514 Res.push_back("-cxx-isystem"); 515 } else { 516 assert(E.Group == frontend::Angled && "Invalid group!"); 517 Res.push_back(E.IsFramework ? "-F" : "-I"); 518 } 519 } else { 520 if (E.Group != frontend::Angled && E.Group != frontend::System) 521 llvm::report_fatal_error("Invalid option set!"); 522 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 523 "-iwithprefix"); 524 } 525 Res.push_back(E.Path); 526 } 527 528 if (!Opts.EnvIncPath.empty()) { 529 // FIXME: Provide an option for this, and move env detection to driver. 530 llvm::report_fatal_error("Not yet implemented!"); 531 } 532 if (!Opts.CEnvIncPath.empty()) { 533 // FIXME: Provide an option for this, and move env detection to driver. 534 llvm::report_fatal_error("Not yet implemented!"); 535 } 536 if (!Opts.ObjCEnvIncPath.empty()) { 537 // FIXME: Provide an option for this, and move env detection to driver. 538 llvm::report_fatal_error("Not yet implemented!"); 539 } 540 if (!Opts.CXXEnvIncPath.empty()) { 541 // FIXME: Provide an option for this, and move env detection to driver. 542 llvm::report_fatal_error("Not yet implemented!"); 543 } 544 if (!Opts.ObjCXXEnvIncPath.empty()) { 545 // FIXME: Provide an option for this, and move env detection to driver. 546 llvm::report_fatal_error("Not yet implemented!"); 547 } 548 if (!Opts.ResourceDir.empty()) { 549 Res.push_back("-resource-dir"); 550 Res.push_back(Opts.ResourceDir); 551 } 552 if (!Opts.UseStandardIncludes) 553 Res.push_back("-nostdinc"); 554 if (!Opts.UseStandardCXXIncludes) 555 Res.push_back("-nostdinc++"); 556 if (Opts.UseLibcxx) 557 Res.push_back("-stdlib=libc++"); 558 if (Opts.Verbose) 559 Res.push_back("-v"); 560} 561 562static void LangOptsToArgs(const LangOptions &Opts, 563 std::vector<std::string> &Res) { 564 LangOptions DefaultLangOpts; 565 566 // FIXME: Need to set -std to get all the implicit options. 567 568 // FIXME: We want to only pass options relative to the defaults, which 569 // requires constructing a target. :( 570 // 571 // It would be better to push the all target specific choices into the driver, 572 // so that everything below that was more uniform. 573 574 if (Opts.Trigraphs) 575 Res.push_back("-trigraphs"); 576 // Implicit based on the input kind: 577 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 578 // Implicit based on the input language standard: 579 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 580 if (Opts.DollarIdents) 581 Res.push_back("-fdollars-in-identifiers"); 582 if (Opts.GNUMode && !Opts.GNUKeywords) 583 Res.push_back("-fno-gnu-keywords"); 584 if (!Opts.GNUMode && Opts.GNUKeywords) 585 Res.push_back("-fgnu-keywords"); 586 if (Opts.Microsoft) 587 Res.push_back("-fms-extensions"); 588 if (Opts.MSCVersion != 0) 589 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 590 if (Opts.Borland) 591 Res.push_back("-fborland-extensions"); 592 if (Opts.ObjCNonFragileABI) 593 Res.push_back("-fobjc-nonfragile-abi"); 594 if (Opts.ObjCNonFragileABI2) 595 Res.push_back("-fobjc-nonfragile-abi"); 596 if (Opts.ObjCDefaultSynthProperties) 597 Res.push_back("-fobjc-default-synthesize-properties"); 598 // NoInline is implicit. 599 if (!Opts.CXXOperatorNames) 600 Res.push_back("-fno-operator-names"); 601 if (Opts.PascalStrings) 602 Res.push_back("-fpascal-strings"); 603 if (Opts.CatchUndefined) 604 Res.push_back("-fcatch-undefined-behavior"); 605 if (Opts.WritableStrings) 606 Res.push_back("-fwritable-strings"); 607 if (Opts.ConstStrings) 608 Res.push_back("-fconst-strings"); 609 if (!Opts.LaxVectorConversions) 610 Res.push_back("-fno-lax-vector-conversions"); 611 if (Opts.AltiVec) 612 Res.push_back("-faltivec"); 613 if (Opts.Exceptions) 614 Res.push_back("-fexceptions"); 615 if (Opts.ObjCExceptions) 616 Res.push_back("-fobjc-exceptions"); 617 if (Opts.CXXExceptions) 618 Res.push_back("-fcxx-exceptions"); 619 if (Opts.SjLjExceptions) 620 Res.push_back("-fsjlj-exceptions"); 621 if (Opts.TraditionalCPP) 622 Res.push_back("-traditional-cpp"); 623 if (!Opts.RTTI) 624 Res.push_back("-fno-rtti"); 625 if (Opts.MSBitfields) 626 Res.push_back("-mms-bitfields"); 627 if (!Opts.NeXTRuntime) 628 Res.push_back("-fgnu-runtime"); 629 if (Opts.Freestanding) 630 Res.push_back("-ffreestanding"); 631 if (Opts.NoBuiltin) 632 Res.push_back("-fno-builtin"); 633 if (!Opts.AssumeSaneOperatorNew) 634 Res.push_back("-fno-assume-sane-operator-new"); 635 if (!Opts.ThreadsafeStatics) 636 Res.push_back("-fno-threadsafe-statics"); 637 if (Opts.POSIXThreads) 638 Res.push_back("-pthread"); 639 if (Opts.Blocks) 640 Res.push_back("-fblocks"); 641 if (Opts.EmitAllDecls) 642 Res.push_back("-femit-all-decls"); 643 if (Opts.MathErrno) 644 Res.push_back("-fmath-errno"); 645 switch (Opts.getSignedOverflowBehavior()) { 646 case LangOptions::SOB_Undefined: break; 647 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 648 case LangOptions::SOB_Trapping: 649 Res.push_back("-ftrapv"); break; 650 if (!Opts.OverflowHandler.empty()) { 651 Res.push_back("-ftrapv-handler"); 652 Res.push_back(Opts.OverflowHandler); 653 } 654 } 655 if (Opts.HeinousExtensions) 656 Res.push_back("-fheinous-gnu-extensions"); 657 // Optimize is implicit. 658 // OptimizeSize is implicit. 659 if (Opts.Static) 660 Res.push_back("-static-define"); 661 if (Opts.DumpRecordLayouts) 662 Res.push_back("-fdump-record-layouts"); 663 if (Opts.DumpVTableLayouts) 664 Res.push_back("-fdump-vtable-layouts"); 665 if (Opts.NoBitFieldTypeAlign) 666 Res.push_back("-fno-bitfield-type-alignment"); 667 if (Opts.PICLevel) { 668 Res.push_back("-pic-level"); 669 Res.push_back(llvm::utostr(Opts.PICLevel)); 670 } 671 if (Opts.ObjCGCBitmapPrint) 672 Res.push_back("-print-ivar-layout"); 673 if (Opts.NoConstantCFStrings) 674 Res.push_back("-fno-constant-cfstrings"); 675 if (!Opts.AccessControl) 676 Res.push_back("-fno-access-control"); 677 if (!Opts.CharIsSigned) 678 Res.push_back("-fno-signed-char"); 679 if (Opts.ShortWChar) 680 Res.push_back("-fshort-wchar"); 681 if (!Opts.ElideConstructors) 682 Res.push_back("-fno-elide-constructors"); 683 if (Opts.getGCMode() != LangOptions::NonGC) { 684 if (Opts.getGCMode() == LangOptions::HybridGC) { 685 Res.push_back("-fobjc-gc"); 686 } else { 687 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 688 Res.push_back("-fobjc-gc-only"); 689 } 690 } 691 if (Opts.ObjCAutoRefCount) 692 Res.push_back("-fobjc-arc"); 693 if (Opts.ObjCNoAutoRefCountRuntime) 694 Res.push_back("-fobjc-no-arc-runtime"); 695 if (!Opts.ObjCInferRelatedResultType) 696 Res.push_back("-fno-objc-infer-related-result-type"); 697 698 if (Opts.AppleKext) 699 Res.push_back("-fapple-kext"); 700 701 if (Opts.getVisibilityMode() != DefaultVisibility) { 702 Res.push_back("-fvisibility"); 703 if (Opts.getVisibilityMode() == HiddenVisibility) { 704 Res.push_back("hidden"); 705 } else { 706 assert(Opts.getVisibilityMode() == ProtectedVisibility && 707 "Invalid visibility!"); 708 Res.push_back("protected"); 709 } 710 } 711 if (Opts.InlineVisibilityHidden) 712 Res.push_back("-fvisibility-inlines-hidden"); 713 714 if (Opts.getStackProtectorMode() != 0) { 715 Res.push_back("-stack-protector"); 716 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 717 } 718 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 719 Res.push_back("-ftemplate-depth"); 720 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 721 } 722 if (!Opts.ObjCConstantStringClass.empty()) { 723 Res.push_back("-fconstant-string-class"); 724 Res.push_back(Opts.ObjCConstantStringClass); 725 } 726 if (Opts.FakeAddressSpaceMap) 727 Res.push_back("-ffake-address-space-map"); 728 if (Opts.ParseUnknownAnytype) 729 Res.push_back("-funknown-anytype"); 730 if (Opts.DelayedTemplateParsing) 731 Res.push_back("-fdelayed-template-parsing"); 732 if (Opts.Deprecated) 733 Res.push_back("-fdeprecated-macro"); 734} 735 736static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 737 std::vector<std::string> &Res) { 738 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 739 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 740 Opts.Macros[i].first); 741 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 742 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 743 Res.push_back("-include"); 744 Res.push_back(Opts.Includes[i]); 745 } 746 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 747 Res.push_back("-imacros"); 748 Res.push_back(Opts.MacroIncludes[i]); 749 } 750 if (!Opts.UsePredefines) 751 Res.push_back("-undef"); 752 if (Opts.DetailedRecord) 753 Res.push_back("-detailed-preprocessing-record"); 754 if (!Opts.ImplicitPCHInclude.empty()) { 755 Res.push_back("-include-pch"); 756 Res.push_back(Opts.ImplicitPCHInclude); 757 } 758 if (!Opts.ImplicitPTHInclude.empty()) { 759 Res.push_back("-include-pth"); 760 Res.push_back(Opts.ImplicitPTHInclude); 761 } 762 if (!Opts.TokenCache.empty()) { 763 if (Opts.ImplicitPTHInclude.empty()) { 764 Res.push_back("-token-cache"); 765 Res.push_back(Opts.TokenCache); 766 } else 767 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 768 "Unsupported option combination!"); 769 } 770 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 771 Res.push_back("-chain-include"); 772 Res.push_back(Opts.ChainedIncludes[i]); 773 } 774 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 775 Res.push_back("-remap-file"); 776 Res.push_back(Opts.RemappedFiles[i].first + ";" + 777 Opts.RemappedFiles[i].second); 778 } 779} 780 781static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 782 std::vector<std::string> &Res) { 783 if (!Opts.ShowCPP && !Opts.ShowMacros) 784 llvm::report_fatal_error("Invalid option combination!"); 785 786 if (Opts.ShowCPP && Opts.ShowMacros) 787 Res.push_back("-dD"); 788 else if (!Opts.ShowCPP && Opts.ShowMacros) 789 Res.push_back("-dM"); 790 791 if (!Opts.ShowLineMarkers) 792 Res.push_back("-P"); 793 if (Opts.ShowComments) 794 Res.push_back("-C"); 795 if (Opts.ShowMacroComments) 796 Res.push_back("-CC"); 797} 798 799static void TargetOptsToArgs(const TargetOptions &Opts, 800 std::vector<std::string> &Res) { 801 Res.push_back("-triple"); 802 Res.push_back(Opts.Triple); 803 if (!Opts.CPU.empty()) { 804 Res.push_back("-target-cpu"); 805 Res.push_back(Opts.CPU); 806 } 807 if (!Opts.ABI.empty()) { 808 Res.push_back("-target-abi"); 809 Res.push_back(Opts.ABI); 810 } 811 if (!Opts.LinkerVersion.empty()) { 812 Res.push_back("-target-linker-version"); 813 Res.push_back(Opts.LinkerVersion); 814 } 815 if (!Opts.CXXABI.empty()) { 816 Res.push_back("-cxx-abi"); 817 Res.push_back(Opts.CXXABI); 818 } 819 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 820 Res.push_back("-target-feature"); 821 Res.push_back(Opts.Features[i]); 822 } 823} 824 825void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 826 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 827 CodeGenOptsToArgs(getCodeGenOpts(), Res); 828 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 829 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 830 FileSystemOptsToArgs(getFileSystemOpts(), Res); 831 FrontendOptsToArgs(getFrontendOpts(), Res); 832 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 833 LangOptsToArgs(getLangOpts(), Res); 834 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 835 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 836 TargetOptsToArgs(getTargetOpts(), Res); 837} 838 839//===----------------------------------------------------------------------===// 840// Deserialization (to args) 841//===----------------------------------------------------------------------===// 842 843using namespace clang::driver; 844using namespace clang::driver::cc1options; 845 846// 847 848static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 849 Diagnostic &Diags) { 850 unsigned DefaultOpt = 0; 851 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 852 DefaultOpt = 2; 853 // -Os/-Oz implies -O2 854 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 855 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 856} 857 858static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 859 Diagnostic &Diags) { 860 using namespace cc1options; 861 862 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 863 llvm::StringRef Name = A->getValue(Args); 864 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 865#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 866 .Case(CMDFLAG, NAME##Model) 867#include "clang/Frontend/Analyses.def" 868 .Default(NumStores); 869 // FIXME: Error handling. 870 if (Value == NumStores) 871 Diags.Report(diag::err_drv_invalid_value) 872 << A->getAsString(Args) << Name; 873 else 874 Opts.AnalysisStoreOpt = Value; 875 } 876 877 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 878 llvm::StringRef Name = A->getValue(Args); 879 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 880#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 881 .Case(CMDFLAG, NAME##Model) 882#include "clang/Frontend/Analyses.def" 883 .Default(NumConstraints); 884 // FIXME: Error handling. 885 if (Value == NumConstraints) 886 Diags.Report(diag::err_drv_invalid_value) 887 << A->getAsString(Args) << Name; 888 else 889 Opts.AnalysisConstraintsOpt = Value; 890 } 891 892 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 893 llvm::StringRef Name = A->getValue(Args); 894 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 895#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 896 .Case(CMDFLAG, PD_##NAME) 897#include "clang/Frontend/Analyses.def" 898 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 899 // FIXME: Error handling. 900 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 901 Diags.Report(diag::err_drv_invalid_value) 902 << A->getAsString(Args) << Name; 903 else 904 Opts.AnalysisDiagOpt = Value; 905 } 906 907 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 908 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 909 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 910 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 911 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 912 Opts.AnalyzeNestedBlocks = 913 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 914 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 915 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 916 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 917 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 918 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 919 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 920 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 921 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 922 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 923 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 924 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 925 926 Opts.CheckersControlList.clear(); 927 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 928 OPT_analyzer_disable_checker), 929 ie = Args.filtered_end(); it != ie; ++it) { 930 const Arg *A = *it; 931 A->claim(); 932 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 933 // We can have a list of comma separated checker names, e.g: 934 // '-analyzer-checker=cocoa,unix' 935 llvm::StringRef checkerList = A->getValue(Args); 936 llvm::SmallVector<llvm::StringRef, 4> checkers; 937 checkerList.split(checkers, ","); 938 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 939 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 940 } 941} 942 943static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 944 Diagnostic &Diags) { 945 using namespace cc1options; 946 947 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 948 if (Opts.OptimizationLevel > 3) { 949 Diags.Report(diag::err_drv_invalid_value) 950 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 951 Opts.OptimizationLevel = 3; 952 } 953 954 // We must always run at least the always inlining pass. 955 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 956 : CodeGenOptions::OnlyAlwaysInlining; 957 958 Opts.DebugInfo = Args.hasArg(OPT_g); 959 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 960 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 961 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 962 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 963 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 964 OPT_fuse_register_sized_bitfield_access); 965 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 966 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 967 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 968 Opts.NoCommon = Args.hasArg(OPT_fno_common); 969 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 970 Opts.OptimizeSize = Args.hasArg(OPT_Os); 971 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 972 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 973 Args.hasArg(OPT_ffreestanding)); 974 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 975 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 976 977 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 978 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 979 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 980 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 981 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 982 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 983 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 984 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 985 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 986 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 987 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 988 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 989 Args.hasArg(OPT_cl_fast_relaxed_math); 990 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 991 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 992 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 993 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 994 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 995 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 996 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 997 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 998 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 999 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1000 Args.hasArg(OPT_cl_fast_relaxed_math); 1001 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1002 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1003 1004 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1005 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1006 1007 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1008 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1009 1010 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1011 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1012 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1013 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1014 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1015 1016 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1017 llvm::StringRef Name = A->getValue(Args); 1018 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1019 .Case("legacy", CodeGenOptions::Legacy) 1020 .Case("non-legacy", CodeGenOptions::NonLegacy) 1021 .Case("mixed", CodeGenOptions::Mixed) 1022 .Default(~0U); 1023 if (Method == ~0U) 1024 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1025 else 1026 Opts.ObjCDispatchMethod = Method; 1027 } 1028} 1029 1030static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1031 ArgList &Args) { 1032 using namespace cc1options; 1033 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1034 Opts.Targets = Args.getAllArgValues(OPT_MT); 1035 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1036 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1037 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1038 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1039} 1040 1041static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1042 Diagnostic &Diags) { 1043 using namespace cc1options; 1044 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1045 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1046 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1047 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1048 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1049 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1050 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1051 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1052 OPT_fno_show_column, 1053 /*Default=*/true); 1054 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1055 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1056 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1057 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1058 1059 // Default behavior is to not to show note include stacks. 1060 Opts.ShowNoteIncludeStack = false; 1061 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1062 OPT_fno_diagnostics_show_note_include_stack)) 1063 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1064 Opts.ShowNoteIncludeStack = true; 1065 1066 llvm::StringRef ShowOverloads = 1067 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1068 if (ShowOverloads == "best") 1069 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1070 else if (ShowOverloads == "all") 1071 Opts.ShowOverloads = Diagnostic::Ovl_All; 1072 else 1073 Diags.Report(diag::err_drv_invalid_value) 1074 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1075 << ShowOverloads; 1076 1077 llvm::StringRef ShowCategory = 1078 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1079 if (ShowCategory == "none") 1080 Opts.ShowCategories = 0; 1081 else if (ShowCategory == "id") 1082 Opts.ShowCategories = 1; 1083 else if (ShowCategory == "name") 1084 Opts.ShowCategories = 2; 1085 else 1086 Diags.Report(diag::err_drv_invalid_value) 1087 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1088 << ShowCategory; 1089 1090 llvm::StringRef Format = 1091 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1092 if (Format == "clang") 1093 Opts.Format = DiagnosticOptions::Clang; 1094 else if (Format == "msvc") 1095 Opts.Format = DiagnosticOptions::Msvc; 1096 else if (Format == "vi") 1097 Opts.Format = DiagnosticOptions::Vi; 1098 else 1099 Diags.Report(diag::err_drv_invalid_value) 1100 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1101 << Format; 1102 1103 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1104 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1105 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1106 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1107 Opts.MacroBacktraceLimit 1108 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1109 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1110 Opts.TemplateBacktraceLimit 1111 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1112 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1113 Diags); 1114 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1115 DiagnosticOptions::DefaultTabStop, Diags); 1116 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1117 Diags.Report(diag::warn_ignoring_ftabstop_value) 1118 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1119 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1120 } 1121 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1122 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1123 Opts.Warnings = Args.getAllArgValues(OPT_W); 1124} 1125 1126static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1127 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1128} 1129 1130static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1131 Diagnostic &Diags) { 1132 using namespace cc1options; 1133 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1134 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1135 switch (A->getOption().getID()) { 1136 default: 1137 assert(0 && "Invalid option in group!"); 1138 case OPT_ast_dump: 1139 Opts.ProgramAction = frontend::ASTDump; break; 1140 case OPT_ast_dump_xml: 1141 Opts.ProgramAction = frontend::ASTDumpXML; break; 1142 case OPT_ast_print: 1143 Opts.ProgramAction = frontend::ASTPrint; break; 1144 case OPT_ast_view: 1145 Opts.ProgramAction = frontend::ASTView; break; 1146 case OPT_boostcon: 1147 Opts.ProgramAction = frontend::BoostCon; break; 1148 case OPT_dump_raw_tokens: 1149 Opts.ProgramAction = frontend::DumpRawTokens; break; 1150 case OPT_dump_tokens: 1151 Opts.ProgramAction = frontend::DumpTokens; break; 1152 case OPT_S: 1153 Opts.ProgramAction = frontend::EmitAssembly; break; 1154 case OPT_emit_llvm_bc: 1155 Opts.ProgramAction = frontend::EmitBC; break; 1156 case OPT_emit_html: 1157 Opts.ProgramAction = frontend::EmitHTML; break; 1158 case OPT_emit_llvm: 1159 Opts.ProgramAction = frontend::EmitLLVM; break; 1160 case OPT_emit_llvm_only: 1161 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1162 case OPT_emit_codegen_only: 1163 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1164 case OPT_emit_obj: 1165 Opts.ProgramAction = frontend::EmitObj; break; 1166 case OPT_fixit_EQ: 1167 Opts.FixItSuffix = A->getValue(Args); 1168 // fall-through! 1169 case OPT_fixit: 1170 Opts.ProgramAction = frontend::FixIt; break; 1171 case OPT_emit_pch: 1172 Opts.ProgramAction = frontend::GeneratePCH; break; 1173 case OPT_emit_pth: 1174 Opts.ProgramAction = frontend::GeneratePTH; break; 1175 case OPT_init_only: 1176 Opts.ProgramAction = frontend::InitOnly; break; 1177 case OPT_fsyntax_only: 1178 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1179 case OPT_print_decl_contexts: 1180 Opts.ProgramAction = frontend::PrintDeclContext; break; 1181 case OPT_print_preamble: 1182 Opts.ProgramAction = frontend::PrintPreamble; break; 1183 case OPT_E: 1184 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1185 case OPT_rewrite_macros: 1186 Opts.ProgramAction = frontend::RewriteMacros; break; 1187 case OPT_rewrite_objc: 1188 Opts.ProgramAction = frontend::RewriteObjC; break; 1189 case OPT_rewrite_test: 1190 Opts.ProgramAction = frontend::RewriteTest; break; 1191 case OPT_analyze: 1192 Opts.ProgramAction = frontend::RunAnalysis; break; 1193 case OPT_Eonly: 1194 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1195 case OPT_create_module: 1196 Opts.ProgramAction = frontend::CreateModule; break; 1197 } 1198 } 1199 1200 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1201 Opts.Plugins.push_back(A->getValue(Args,0)); 1202 Opts.ProgramAction = frontend::PluginAction; 1203 Opts.ActionName = A->getValue(Args); 1204 1205 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1206 end = Args.filtered_end(); it != end; ++it) { 1207 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1208 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1209 } 1210 } 1211 1212 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1213 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1214 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1215 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1216 end = Args.filtered_end(); it != end; ++it) { 1217 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1218 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1219 } 1220 } 1221 1222 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1223 Opts.CodeCompletionAt = 1224 ParsedSourceLocation::FromString(A->getValue(Args)); 1225 if (Opts.CodeCompletionAt.FileName.empty()) 1226 Diags.Report(diag::err_drv_invalid_value) 1227 << A->getAsString(Args) << A->getValue(Args); 1228 } 1229 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1230 1231 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1232 Opts.Plugins = Args.getAllArgValues(OPT_load); 1233 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1234 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1235 Opts.ShowHelp = Args.hasArg(OPT_help); 1236 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1237 Opts.ShowCodePatternsInCodeCompletion 1238 = Args.hasArg(OPT_code_completion_patterns); 1239 Opts.ShowGlobalSymbolsInCodeCompletion 1240 = !Args.hasArg(OPT_no_code_completion_globals); 1241 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1242 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1243 Opts.ShowVersion = Args.hasArg(OPT_version); 1244 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1245 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1246 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1247 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1248 1249 Opts.ARCMTAction = FrontendOptions::ARCMT_None; 1250 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1251 OPT_arcmt_modify)) { 1252 switch (A->getOption().getID()) { 1253 default: 1254 llvm_unreachable("missed a case"); 1255 case OPT_arcmt_check: 1256 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1257 break; 1258 case OPT_arcmt_modify: 1259 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1260 break; 1261 } 1262 } 1263 1264 InputKind DashX = IK_None; 1265 if (const Arg *A = Args.getLastArg(OPT_x)) { 1266 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1267 .Case("c", IK_C) 1268 .Case("cl", IK_OpenCL) 1269 .Case("cuda", IK_CUDA) 1270 .Case("c++", IK_CXX) 1271 .Case("objective-c", IK_ObjC) 1272 .Case("objective-c++", IK_ObjCXX) 1273 .Case("cpp-output", IK_PreprocessedC) 1274 .Case("assembler-with-cpp", IK_Asm) 1275 .Case("c++-cpp-output", IK_PreprocessedCXX) 1276 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1277 .Case("objc-cpp-output", IK_PreprocessedObjC) 1278 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1279 .Case("c-header", IK_C) 1280 .Case("objective-c-header", IK_ObjC) 1281 .Case("c++-header", IK_CXX) 1282 .Case("objective-c++-header", IK_ObjCXX) 1283 .Case("ast", IK_AST) 1284 .Case("ir", IK_LLVM_IR) 1285 .Default(IK_None); 1286 if (DashX == IK_None) 1287 Diags.Report(diag::err_drv_invalid_value) 1288 << A->getAsString(Args) << A->getValue(Args); 1289 } 1290 1291 // '-' is the default input if none is given. 1292 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1293 Opts.Inputs.clear(); 1294 if (Inputs.empty()) 1295 Inputs.push_back("-"); 1296 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1297 InputKind IK = DashX; 1298 if (IK == IK_None) { 1299 IK = FrontendOptions::getInputKindForExtension( 1300 llvm::StringRef(Inputs[i]).rsplit('.').second); 1301 // FIXME: Remove this hack. 1302 if (i == 0) 1303 DashX = IK; 1304 } 1305 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1306 } 1307 1308 return DashX; 1309} 1310 1311std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1312 void *MainAddr) { 1313 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1314 1315 if (!P.isEmpty()) { 1316 P.eraseComponent(); // Remove /clang from foo/bin/clang 1317 P.eraseComponent(); // Remove /bin from foo/bin 1318 1319 // Get foo/lib/clang/<version>/include 1320 P.appendComponent("lib"); 1321 P.appendComponent("clang"); 1322 P.appendComponent(CLANG_VERSION_STRING); 1323 } 1324 1325 return P.str(); 1326} 1327 1328static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1329 using namespace cc1options; 1330 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1331 Opts.Verbose = Args.hasArg(OPT_v); 1332 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1333 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1334 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1335 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1336 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1337 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1338 1339 // Add -I... and -F... options in order. 1340 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1341 ie = Args.filtered_end(); it != ie; ++it) 1342 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1343 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1344 1345 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1346 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1347 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1348 OPT_iwithprefixbefore), 1349 ie = Args.filtered_end(); it != ie; ++it) { 1350 const Arg *A = *it; 1351 if (A->getOption().matches(OPT_iprefix)) 1352 Prefix = A->getValue(Args); 1353 else if (A->getOption().matches(OPT_iwithprefix)) 1354 Opts.AddPath(Prefix.str() + A->getValue(Args), 1355 frontend::System, false, false, true); 1356 else 1357 Opts.AddPath(Prefix.str() + A->getValue(Args), 1358 frontend::Angled, false, false, true); 1359 } 1360 1361 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1362 ie = Args.filtered_end(); it != ie; ++it) 1363 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1364 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1365 ie = Args.filtered_end(); it != ie; ++it) 1366 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1367 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1368 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1369 Opts.AddPath((*it)->getValue(Args), 1370 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1371 frontend::CXXSystem : frontend::System), 1372 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1373 1374 // FIXME: Need options for the various environment variables! 1375} 1376 1377void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1378 LangStandard::Kind LangStd) { 1379 // Set some properties which depend solely on the input kind; it would be nice 1380 // to move these to the language standard, and have the driver resolve the 1381 // input kind + language standard. 1382 if (IK == IK_Asm) { 1383 Opts.AsmPreprocessor = 1; 1384 } else if (IK == IK_ObjC || 1385 IK == IK_ObjCXX || 1386 IK == IK_PreprocessedObjC || 1387 IK == IK_PreprocessedObjCXX) { 1388 Opts.ObjC1 = Opts.ObjC2 = 1; 1389 } 1390 1391 if (LangStd == LangStandard::lang_unspecified) { 1392 // Based on the base language, pick one. 1393 switch (IK) { 1394 case IK_None: 1395 case IK_AST: 1396 case IK_LLVM_IR: 1397 assert(0 && "Invalid input kind!"); 1398 case IK_OpenCL: 1399 LangStd = LangStandard::lang_opencl; 1400 break; 1401 case IK_CUDA: 1402 LangStd = LangStandard::lang_cuda; 1403 break; 1404 case IK_Asm: 1405 case IK_C: 1406 case IK_PreprocessedC: 1407 case IK_ObjC: 1408 case IK_PreprocessedObjC: 1409 LangStd = LangStandard::lang_gnu99; 1410 break; 1411 case IK_CXX: 1412 case IK_PreprocessedCXX: 1413 case IK_ObjCXX: 1414 case IK_PreprocessedObjCXX: 1415 LangStd = LangStandard::lang_gnucxx98; 1416 break; 1417 } 1418 } 1419 1420 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1421 Opts.BCPLComment = Std.hasBCPLComments(); 1422 Opts.C99 = Std.isC99(); 1423 Opts.C1X = Std.isC1X(); 1424 Opts.CPlusPlus = Std.isCPlusPlus(); 1425 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1426 Opts.Digraphs = Std.hasDigraphs(); 1427 Opts.GNUMode = Std.isGNUMode(); 1428 Opts.GNUInline = !Std.isC99(); 1429 Opts.HexFloats = Std.hasHexFloats(); 1430 Opts.ImplicitInt = Std.hasImplicitInt(); 1431 1432 // OpenCL has some additional defaults. 1433 if (LangStd == LangStandard::lang_opencl) { 1434 Opts.OpenCL = 1; 1435 Opts.AltiVec = 1; 1436 Opts.CXXOperatorNames = 1; 1437 Opts.LaxVectorConversions = 1; 1438 Opts.DefaultFPContract = 1; 1439 } 1440 1441 if (LangStd == LangStandard::lang_cuda) 1442 Opts.CUDA = 1; 1443 1444 // OpenCL and C++ both have bool, true, false keywords. 1445 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1446 1447 Opts.GNUKeywords = Opts.GNUMode; 1448 Opts.CXXOperatorNames = Opts.CPlusPlus; 1449 1450 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1451 // is specified, or -std is set to a conforming mode. 1452 Opts.Trigraphs = !Opts.GNUMode; 1453 1454 Opts.DollarIdents = !Opts.AsmPreprocessor; 1455} 1456 1457static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1458 Diagnostic &Diags) { 1459 // FIXME: Cleanup per-file based stuff. 1460 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1461 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1462 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1463#define LANGSTANDARD(id, name, desc, features) \ 1464 .Case(name, LangStandard::lang_##id) 1465#include "clang/Frontend/LangStandards.def" 1466 .Default(LangStandard::lang_unspecified); 1467 if (LangStd == LangStandard::lang_unspecified) 1468 Diags.Report(diag::err_drv_invalid_value) 1469 << A->getAsString(Args) << A->getValue(Args); 1470 else { 1471 // Valid standard, check to make sure language and standard are compatable. 1472 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1473 switch (IK) { 1474 case IK_C: 1475 case IK_ObjC: 1476 case IK_PreprocessedC: 1477 case IK_PreprocessedObjC: 1478 if (!(Std.isC89() || Std.isC99())) 1479 Diags.Report(diag::err_drv_argument_not_allowed_with) 1480 << A->getAsString(Args) << "C/ObjC"; 1481 break; 1482 case IK_CXX: 1483 case IK_ObjCXX: 1484 case IK_PreprocessedCXX: 1485 case IK_PreprocessedObjCXX: 1486 if (!Std.isCPlusPlus()) 1487 Diags.Report(diag::err_drv_argument_not_allowed_with) 1488 << A->getAsString(Args) << "C++/ObjC++"; 1489 break; 1490 case IK_OpenCL: 1491 if (!Std.isC99()) 1492 Diags.Report(diag::err_drv_argument_not_allowed_with) 1493 << A->getAsString(Args) << "OpenCL"; 1494 break; 1495 case IK_CUDA: 1496 if (!Std.isCPlusPlus()) 1497 Diags.Report(diag::err_drv_argument_not_allowed_with) 1498 << A->getAsString(Args) << "CUDA"; 1499 break; 1500 default: 1501 break; 1502 } 1503 } 1504 } 1505 1506 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1507 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1508 Diags.Report(diag::err_drv_invalid_value) 1509 << A->getAsString(Args) << A->getValue(Args); 1510 } 1511 } 1512 1513 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1514 1515 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1516 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1517 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1518 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1519 // name, as it doesn't seem a useful distinction. 1520 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1521 Opts.GNUKeywords); 1522 1523 if (Args.hasArg(OPT_fno_operator_names)) 1524 Opts.CXXOperatorNames = 0; 1525 1526 if (Opts.ObjC1) { 1527 if (Args.hasArg(OPT_fobjc_gc_only)) 1528 Opts.setGCMode(LangOptions::GCOnly); 1529 else if (Args.hasArg(OPT_fobjc_gc)) 1530 Opts.setGCMode(LangOptions::HybridGC); 1531 else if (Args.hasArg(OPT_fobjc_arc)) { 1532 Opts.ObjCAutoRefCount = 1; 1533 if (!Args.hasArg(OPT_fobjc_nonfragile_abi)) 1534 Diags.Report(diag::err_arc_nonfragile_abi); 1535 if (Args.hasArg(OPT_fobjc_no_arc_runtime)) 1536 Opts.ObjCNoAutoRefCountRuntime = 1; 1537 } 1538 1539 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1540 Opts.ObjCInferRelatedResultType = 0; 1541 } 1542 1543 if (Args.hasArg(OPT_fgnu89_inline)) 1544 Opts.GNUInline = 1; 1545 1546 if (Args.hasArg(OPT_fapple_kext)) { 1547 if (!Opts.CPlusPlus) 1548 Diags.Report(diag::warn_c_kext); 1549 else 1550 Opts.AppleKext = 1; 1551 } 1552 1553 if (Args.hasArg(OPT_print_ivar_layout)) 1554 Opts.ObjCGCBitmapPrint = 1; 1555 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1556 Opts.NoConstantCFStrings = 1; 1557 1558 if (Args.hasArg(OPT_faltivec)) 1559 Opts.AltiVec = 1; 1560 1561 if (Args.hasArg(OPT_pthread)) 1562 Opts.POSIXThreads = 1; 1563 1564 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1565 Opts.DelayedTemplateParsing = 1; 1566 1567 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1568 if (Vis == "default") 1569 Opts.setVisibilityMode(DefaultVisibility); 1570 else if (Vis == "hidden") 1571 Opts.setVisibilityMode(HiddenVisibility); 1572 else if (Vis == "protected") 1573 Opts.setVisibilityMode(ProtectedVisibility); 1574 else 1575 Diags.Report(diag::err_drv_invalid_value) 1576 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1577 1578 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1579 Opts.InlineVisibilityHidden = 1; 1580 1581 if (Args.hasArg(OPT_ftrapv)) { 1582 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1583 // Set the handler, if one is specified. 1584 Opts.OverflowHandler = 1585 Args.getLastArgValue(OPT_ftrapv_handler); 1586 } 1587 else if (Args.hasArg(OPT_fwrapv)) 1588 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1589 1590 if (Args.hasArg(OPT_trigraphs)) 1591 Opts.Trigraphs = 1; 1592 1593 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1594 OPT_fno_dollars_in_identifiers, 1595 Opts.DollarIdents); 1596 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1597 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1598 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1599 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1600 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1601 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1602 Opts.ConstStrings); 1603 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1604 Opts.LaxVectorConversions = 0; 1605 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1606 Opts.ThreadsafeStatics = 0; 1607 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1608 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1609 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1610 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1611 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1612 1613 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1614 Opts.Blocks = Args.hasArg(OPT_fblocks); 1615 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1616 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1617 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1618 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1619 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1620 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1621 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1622 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1623 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1624 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1625 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1626 Diags); 1627 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1628 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1629 0, Diags); 1630 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1631 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1632 Opts.ObjCConstantStringClass = 1633 Args.getLastArgValue(OPT_fconstant_string_class); 1634 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1635 if (Opts.ObjCNonFragileABI) 1636 Opts.ObjCNonFragileABI2 = true; 1637 Opts.ObjCDefaultSynthProperties = 1638 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1639 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1640 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1641 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1642 Opts.Static = Args.hasArg(OPT_static_define); 1643 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1644 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1645 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1646 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1647 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1648 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1649 Opts.OptimizeSize = 0; 1650 Opts.MRTD = Args.hasArg(OPT_mrtd); 1651 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1652 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1653 1654 // Record whether the __DEPRECATED define was requested. 1655 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1656 OPT_fno_deprecated_macro, 1657 Opts.Deprecated); 1658 1659 // FIXME: Eliminate this dependency. 1660 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1661 Opts.Optimize = Opt != 0; 1662 1663 // This is the __NO_INLINE__ define, which just depends on things like the 1664 // optimization level and -fno-inline, not actually whether the backend has 1665 // inlining enabled. 1666 // 1667 // FIXME: This is affected by other options (-fno-inline). 1668 Opts.NoInline = !Opt; 1669 1670 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1671 switch (SSP) { 1672 default: 1673 Diags.Report(diag::err_drv_invalid_value) 1674 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1675 break; 1676 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1677 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1678 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1679 } 1680} 1681 1682static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1683 FileManager &FileMgr, 1684 Diagnostic &Diags) { 1685 using namespace cc1options; 1686 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1687 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1688 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1689 Opts.TokenCache = A->getValue(Args); 1690 else 1691 Opts.TokenCache = Opts.ImplicitPTHInclude; 1692 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1693 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1694 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1695 1696 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1697 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1698 ie = Args.filtered_end(); it != ie; ++it) { 1699 const Arg *A = *it; 1700 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1701 } 1702 1703 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1704 llvm::StringRef Value(A->getValue(Args)); 1705 size_t Comma = Value.find(','); 1706 unsigned Bytes = 0; 1707 unsigned EndOfLine = 0; 1708 1709 if (Comma == llvm::StringRef::npos || 1710 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1711 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1712 Diags.Report(diag::err_drv_preamble_format); 1713 else { 1714 Opts.PrecompiledPreambleBytes.first = Bytes; 1715 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1716 } 1717 } 1718 1719 // Add macros from the command line. 1720 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1721 ie = Args.filtered_end(); it != ie; ++it) { 1722 if ((*it)->getOption().matches(OPT_D)) 1723 Opts.addMacroDef((*it)->getValue(Args)); 1724 else 1725 Opts.addMacroUndef((*it)->getValue(Args)); 1726 } 1727 1728 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1729 1730 // Add the ordered list of -includes. 1731 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1732 OPT_include_pth), 1733 ie = Args.filtered_end(); it != ie; ++it) { 1734 const Arg *A = *it; 1735 // PCH is handled specially, we need to extra the original include path. 1736 if (A->getOption().matches(OPT_include_pch)) { 1737 std::string OriginalFile = 1738 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1739 if (OriginalFile.empty()) 1740 continue; 1741 1742 Opts.Includes.push_back(OriginalFile); 1743 } else 1744 Opts.Includes.push_back(A->getValue(Args)); 1745 } 1746 1747 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1748 ie = Args.filtered_end(); it != ie; ++it) { 1749 const Arg *A = *it; 1750 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1751 } 1752 1753 // Include 'altivec.h' if -faltivec option present 1754 if (Args.hasArg(OPT_faltivec)) 1755 Opts.Includes.push_back("altivec.h"); 1756 1757 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1758 ie = Args.filtered_end(); it != ie; ++it) { 1759 const Arg *A = *it; 1760 std::pair<llvm::StringRef,llvm::StringRef> Split = 1761 llvm::StringRef(A->getValue(Args)).split(';'); 1762 1763 if (Split.second.empty()) { 1764 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1765 continue; 1766 } 1767 1768 Opts.addRemappedFile(Split.first, Split.second); 1769 } 1770 1771 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 1772 llvm::StringRef Name = A->getValue(Args); 1773 unsigned Library = llvm::StringSwitch<unsigned>(Name) 1774 .Case("libc++", ARCXX_libcxx) 1775 .Case("libstdc++", ARCXX_libstdcxx) 1776 .Case("none", ARCXX_nolib) 1777 .Default(~0U); 1778 if (Library == ~0U) 1779 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1780 else 1781 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 1782 } 1783} 1784 1785static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1786 ArgList &Args) { 1787 using namespace cc1options; 1788 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1789 Opts.ShowComments = Args.hasArg(OPT_C); 1790 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1791 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1792 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1793} 1794 1795static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1796 using namespace cc1options; 1797 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1798 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1799 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1800 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1801 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1802 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1803 1804 // Use the host triple if unspecified. 1805 if (Opts.Triple.empty()) 1806 Opts.Triple = llvm::sys::getHostTriple(); 1807} 1808 1809// 1810 1811void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1812 const char *const *ArgBegin, 1813 const char *const *ArgEnd, 1814 Diagnostic &Diags) { 1815 // Parse the arguments. 1816 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1817 unsigned MissingArgIndex, MissingArgCount; 1818 llvm::OwningPtr<InputArgList> Args( 1819 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1820 1821 // Check for missing argument error. 1822 if (MissingArgCount) 1823 Diags.Report(diag::err_drv_missing_argument) 1824 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1825 1826 // Issue errors on unknown arguments. 1827 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1828 ie = Args->filtered_end(); it != ie; ++it) 1829 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1830 1831 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1832 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1833 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1834 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1835 // FIXME: We shouldn't have to pass the DashX option around here 1836 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1837 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1838 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1839 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1840 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1841 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1842 Res.getLangOpts().ObjCExceptions = 1; 1843 } 1844 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1845 // PCH file and find the original header name. Remove the need to do that in 1846 // ParsePreprocessorArgs and remove the FileManager 1847 // parameters from the function and the "FileManager.h" #include. 1848 FileManager FileMgr(Res.getFileSystemOpts()); 1849 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1850 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1851 ParseTargetArgs(Res.getTargetOpts(), *Args); 1852} 1853