CompilerInvocation.cpp revision a0fa203f04235cb6d05eeb8cea3392a01aa7571b
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.NoImplicitFloat) 137 Res.push_back("-no-implicit-float"); 138 if (Opts.OmitLeafFramePointer) 139 Res.push_back("-momit-leaf-frame-pointer"); 140 if (Opts.OptimizeSize) { 141 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 142 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 143 } else if (Opts.OptimizationLevel != 0) 144 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 145 if (!Opts.MainFileName.empty()) { 146 Res.push_back("-main-file-name"); 147 Res.push_back(Opts.MainFileName); 148 } 149 // SimplifyLibCalls is only derived. 150 // TimePasses is only derived. 151 // UnitAtATime is unused. 152 // Inlining is only derived. 153 154 // UnrollLoops is derived, but also accepts an option, no 155 // harm in pushing it back here. 156 if (Opts.UnrollLoops) 157 Res.push_back("-funroll-loops"); 158 if (Opts.DataSections) 159 Res.push_back("-fdata-sections"); 160 if (Opts.FunctionSections) 161 Res.push_back("-ffunction-sections"); 162 if (Opts.AsmVerbose) 163 Res.push_back("-masm-verbose"); 164 if (!Opts.CodeModel.empty()) { 165 Res.push_back("-mcode-model"); 166 Res.push_back(Opts.CodeModel); 167 } 168 if (!Opts.CXAAtExit) 169 Res.push_back("-fno-use-cxa-atexit"); 170 if (Opts.CXXCtorDtorAliases) 171 Res.push_back("-mconstructor-aliases"); 172 if (!Opts.DebugPass.empty()) { 173 Res.push_back("-mdebug-pass"); 174 Res.push_back(Opts.DebugPass); 175 } 176 if (Opts.DisableFPElim) 177 Res.push_back("-mdisable-fp-elim"); 178 if (!Opts.FloatABI.empty()) { 179 Res.push_back("-mfloat-abi"); 180 Res.push_back(Opts.FloatABI); 181 } 182 if (!Opts.LimitFloatPrecision.empty()) { 183 Res.push_back("-mlimit-float-precision"); 184 Res.push_back(Opts.LimitFloatPrecision); 185 } 186 if (Opts.NoZeroInitializedInBSS) 187 Res.push_back("-mno-zero-initialized-bss"); 188 switch (Opts.getObjCDispatchMethod()) { 189 case CodeGenOptions::Legacy: 190 break; 191 case CodeGenOptions::Mixed: 192 Res.push_back("-fobjc-dispatch-method=mixed"); 193 break; 194 case CodeGenOptions::NonLegacy: 195 Res.push_back("-fobjc-dispatch-method=non-legacy"); 196 break; 197 } 198 if (Opts.NumRegisterParameters) { 199 Res.push_back("-mregparm"); 200 Res.push_back(llvm::utostr(Opts.NumRegisterParameters)); 201 } 202 if (Opts.RelaxAll) 203 Res.push_back("-mrelax-all"); 204 if (Opts.SaveTempLabels) 205 Res.push_back("-msave-temp-labels"); 206 if (Opts.SoftFloat) 207 Res.push_back("-msoft-float"); 208 if (Opts.UnwindTables) 209 Res.push_back("-munwind-tables"); 210 if (Opts.RelocationModel != "pic") { 211 Res.push_back("-mrelocation-model"); 212 Res.push_back(Opts.RelocationModel); 213 } 214 if (!Opts.VerifyModule) 215 Res.push_back("-disable-llvm-verifier"); 216 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) { 217 Res.push_back("-backend-option"); 218 Res.push_back(Opts.BackendOptions[i]); 219 } 220} 221 222static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 223 std::vector<std::string> &Res) { 224 if (Opts.IncludeSystemHeaders) 225 Res.push_back("-sys-header-deps"); 226 if (Opts.ShowHeaderIncludes) 227 Res.push_back("-H"); 228 if (!Opts.HeaderIncludeOutputFile.empty()) { 229 Res.push_back("-header-include-file"); 230 Res.push_back(Opts.HeaderIncludeOutputFile); 231 } 232 if (Opts.UsePhonyTargets) 233 Res.push_back("-MP"); 234 if (!Opts.OutputFile.empty()) { 235 Res.push_back("-dependency-file"); 236 Res.push_back(Opts.OutputFile); 237 } 238 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 239 Res.push_back("-MT"); 240 Res.push_back(Opts.Targets[i]); 241 } 242} 243 244static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 245 std::vector<std::string> &Res) { 246 if (Opts.IgnoreWarnings) 247 Res.push_back("-w"); 248 if (Opts.NoRewriteMacros) 249 Res.push_back("-Wno-rewrite-macros"); 250 if (Opts.Pedantic) 251 Res.push_back("-pedantic"); 252 if (Opts.PedanticErrors) 253 Res.push_back("-pedantic-errors"); 254 if (!Opts.ShowColumn) 255 Res.push_back("-fno-show-column"); 256 if (!Opts.ShowLocation) 257 Res.push_back("-fno-show-source-location"); 258 if (!Opts.ShowCarets) 259 Res.push_back("-fno-caret-diagnostics"); 260 if (!Opts.ShowFixits) 261 Res.push_back("-fno-diagnostics-fixit-info"); 262 if (Opts.ShowSourceRanges) 263 Res.push_back("-fdiagnostics-print-source-range-info"); 264 if (Opts.ShowParseableFixits) 265 Res.push_back("-fdiagnostics-parseable-fixits"); 266 if (Opts.ShowColors) 267 Res.push_back("-fcolor-diagnostics"); 268 if (Opts.VerifyDiagnostics) 269 Res.push_back("-verify"); 270 if (Opts.ShowNames) 271 Res.push_back("-fdiagnostics-show-name"); 272 if (Opts.ShowOptionNames) 273 Res.push_back("-fdiagnostics-show-option"); 274 if (Opts.ShowCategories == 1) 275 Res.push_back("-fdiagnostics-show-category=id"); 276 else if (Opts.ShowCategories == 2) 277 Res.push_back("-fdiagnostics-show-category=name"); 278 if (Opts.ErrorLimit) { 279 Res.push_back("-ferror-limit"); 280 Res.push_back(llvm::utostr(Opts.ErrorLimit)); 281 } 282 if (!Opts.DiagnosticLogFile.empty()) { 283 Res.push_back("-diagnostic-log-file"); 284 Res.push_back(Opts.DiagnosticLogFile); 285 } 286 if (Opts.MacroBacktraceLimit 287 != DiagnosticOptions::DefaultMacroBacktraceLimit) { 288 Res.push_back("-fmacro-backtrace-limit"); 289 Res.push_back(llvm::utostr(Opts.MacroBacktraceLimit)); 290 } 291 if (Opts.TemplateBacktraceLimit 292 != DiagnosticOptions::DefaultTemplateBacktraceLimit) { 293 Res.push_back("-ftemplate-backtrace-limit"); 294 Res.push_back(llvm::utostr(Opts.TemplateBacktraceLimit)); 295 } 296 297 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) { 298 Res.push_back("-ftabstop"); 299 Res.push_back(llvm::utostr(Opts.TabStop)); 300 } 301 if (Opts.MessageLength) { 302 Res.push_back("-fmessage-length"); 303 Res.push_back(llvm::utostr(Opts.MessageLength)); 304 } 305 if (!Opts.DumpBuildInformation.empty()) { 306 Res.push_back("-dump-build-information"); 307 Res.push_back(Opts.DumpBuildInformation); 308 } 309 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 310 Res.push_back("-W" + Opts.Warnings[i]); 311} 312 313static const char *getInputKindName(InputKind Kind) { 314 switch (Kind) { 315 case IK_None: break; 316 case IK_AST: return "ast"; 317 case IK_Asm: return "assembler-with-cpp"; 318 case IK_C: return "c"; 319 case IK_CXX: return "c++"; 320 case IK_LLVM_IR: return "ir"; 321 case IK_ObjC: return "objective-c"; 322 case IK_ObjCXX: return "objective-c++"; 323 case IK_OpenCL: return "cl"; 324 case IK_CUDA: return "cuda"; 325 case IK_PreprocessedC: return "cpp-output"; 326 case IK_PreprocessedCXX: return "c++-cpp-output"; 327 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 328 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 329 } 330 331 llvm_unreachable("Unexpected language kind!"); 332 return 0; 333} 334 335static const char *getActionName(frontend::ActionKind Kind) { 336 switch (Kind) { 337 case frontend::PluginAction: 338 llvm_unreachable("Invalid kind!"); 339 340 case frontend::ASTDump: return "-ast-dump"; 341 case frontend::ASTDumpXML: return "-ast-dump-xml"; 342 case frontend::ASTPrint: return "-ast-print"; 343 case frontend::ASTView: return "-ast-view"; 344 case frontend::BoostCon: return "-boostcon"; 345 case frontend::CreateModule: return "-create-module"; 346 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 347 case frontend::DumpTokens: return "-dump-tokens"; 348 case frontend::EmitAssembly: return "-S"; 349 case frontend::EmitBC: return "-emit-llvm-bc"; 350 case frontend::EmitHTML: return "-emit-html"; 351 case frontend::EmitLLVM: return "-emit-llvm"; 352 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 353 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 354 case frontend::EmitObj: return "-emit-obj"; 355 case frontend::FixIt: return "-fixit"; 356 case frontend::GeneratePCH: return "-emit-pch"; 357 case frontend::GeneratePTH: return "-emit-pth"; 358 case frontend::InitOnly: return "-init-only"; 359 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 360 case frontend::PrintDeclContext: return "-print-decl-contexts"; 361 case frontend::PrintPreamble: return "-print-preamble"; 362 case frontend::PrintPreprocessedInput: return "-E"; 363 case frontend::RewriteMacros: return "-rewrite-macros"; 364 case frontend::RewriteObjC: return "-rewrite-objc"; 365 case frontend::RewriteTest: return "-rewrite-test"; 366 case frontend::RunAnalysis: return "-analyze"; 367 case frontend::RunPreprocessorOnly: return "-Eonly"; 368 } 369 370 llvm_unreachable("Unexpected language kind!"); 371 return 0; 372} 373 374static void FileSystemOptsToArgs(const FileSystemOptions &Opts, 375 std::vector<std::string> &Res) { 376 if (!Opts.WorkingDir.empty()) { 377 Res.push_back("-working-directory"); 378 Res.push_back(Opts.WorkingDir); 379 } 380} 381 382static void FrontendOptsToArgs(const FrontendOptions &Opts, 383 std::vector<std::string> &Res) { 384 if (Opts.DisableFree) 385 Res.push_back("-disable-free"); 386 if (Opts.RelocatablePCH) 387 Res.push_back("-relocatable-pch"); 388 if (Opts.ChainedPCH) 389 Res.push_back("-chained-pch"); 390 if (Opts.ShowHelp) 391 Res.push_back("-help"); 392 if (Opts.ShowMacrosInCodeCompletion) 393 Res.push_back("-code-completion-macros"); 394 if (Opts.ShowCodePatternsInCodeCompletion) 395 Res.push_back("-code-completion-patterns"); 396 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 397 Res.push_back("-no-code-completion-globals"); 398 if (Opts.ShowStats) 399 Res.push_back("-print-stats"); 400 if (Opts.ShowTimers) 401 Res.push_back("-ftime-report"); 402 if (Opts.ShowVersion) 403 Res.push_back("-version"); 404 if (Opts.FixWhatYouCan) 405 Res.push_back("-fix-what-you-can"); 406 407 bool NeedLang = false; 408 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 409 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 410 Opts.Inputs[i].first) 411 NeedLang = true; 412 if (NeedLang) { 413 Res.push_back("-x"); 414 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 415 } 416 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 417 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 418 "Unable to represent this input vector!"); 419 Res.push_back(Opts.Inputs[i].second); 420 } 421 422 if (!Opts.OutputFile.empty()) { 423 Res.push_back("-o"); 424 Res.push_back(Opts.OutputFile); 425 } 426 if (!Opts.CodeCompletionAt.FileName.empty()) { 427 Res.push_back("-code-completion-at"); 428 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 429 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 430 llvm::utostr(Opts.CodeCompletionAt.Column)); 431 } 432 if (Opts.ProgramAction != frontend::PluginAction) 433 Res.push_back(getActionName(Opts.ProgramAction)); 434 if (!Opts.ActionName.empty()) { 435 Res.push_back("-plugin"); 436 Res.push_back(Opts.ActionName); 437 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) { 438 Res.push_back("-plugin-arg-" + Opts.ActionName); 439 Res.push_back(Opts.PluginArgs[i]); 440 } 441 } 442 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 443 Res.push_back("-load"); 444 Res.push_back(Opts.Plugins[i]); 445 } 446 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 447 Res.push_back("-add-plugin"); 448 Res.push_back(Opts.AddPluginActions[i]); 449 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) { 450 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i]); 451 Res.push_back(Opts.AddPluginArgs[i][ai]); 452 } 453 } 454 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) { 455 Res.push_back("-ast-merge"); 456 Res.push_back(Opts.ASTMergeFiles[i]); 457 } 458 for (unsigned i = 0, e = Opts.Modules.size(); i != e; ++i) { 459 Res.push_back("-import-module"); 460 Res.push_back(Opts.Modules[i]); 461 } 462 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) { 463 Res.push_back("-mllvm"); 464 Res.push_back(Opts.LLVMArgs[i]); 465 } 466} 467 468static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 469 std::vector<std::string> &Res) { 470 if (Opts.Sysroot != "/") { 471 Res.push_back("-isysroot"); 472 Res.push_back(Opts.Sysroot); 473 } 474 475 /// User specified include entries. 476 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 477 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 478 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 479 llvm::report_fatal_error("Invalid option set!"); 480 if (E.IsUserSupplied) { 481 if (E.Group == frontend::After) { 482 Res.push_back("-idirafter"); 483 } else if (E.Group == frontend::Quoted) { 484 Res.push_back("-iquote"); 485 } else if (E.Group == frontend::System) { 486 Res.push_back("-isystem"); 487 } else if (E.Group == frontend::CXXSystem) { 488 Res.push_back("-cxx-isystem"); 489 } else { 490 assert(E.Group == frontend::Angled && "Invalid group!"); 491 Res.push_back(E.IsFramework ? "-F" : "-I"); 492 } 493 } else { 494 if (E.Group != frontend::Angled && E.Group != frontend::System) 495 llvm::report_fatal_error("Invalid option set!"); 496 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 497 "-iwithprefix"); 498 } 499 Res.push_back(E.Path); 500 } 501 502 if (!Opts.EnvIncPath.empty()) { 503 // FIXME: Provide an option for this, and move env detection to driver. 504 llvm::report_fatal_error("Not yet implemented!"); 505 } 506 if (!Opts.CEnvIncPath.empty()) { 507 // FIXME: Provide an option for this, and move env detection to driver. 508 llvm::report_fatal_error("Not yet implemented!"); 509 } 510 if (!Opts.ObjCEnvIncPath.empty()) { 511 // FIXME: Provide an option for this, and move env detection to driver. 512 llvm::report_fatal_error("Not yet implemented!"); 513 } 514 if (!Opts.CXXEnvIncPath.empty()) { 515 // FIXME: Provide an option for this, and move env detection to driver. 516 llvm::report_fatal_error("Not yet implemented!"); 517 } 518 if (!Opts.ObjCXXEnvIncPath.empty()) { 519 // FIXME: Provide an option for this, and move env detection to driver. 520 llvm::report_fatal_error("Not yet implemented!"); 521 } 522 if (!Opts.ResourceDir.empty()) { 523 Res.push_back("-resource-dir"); 524 Res.push_back(Opts.ResourceDir); 525 } 526 if (!Opts.UseStandardIncludes) 527 Res.push_back("-nostdinc"); 528 if (!Opts.UseStandardCXXIncludes) 529 Res.push_back("-nostdinc++"); 530 if (Opts.Verbose) 531 Res.push_back("-v"); 532} 533 534static void LangOptsToArgs(const LangOptions &Opts, 535 std::vector<std::string> &Res) { 536 LangOptions DefaultLangOpts; 537 538 // FIXME: Need to set -std to get all the implicit options. 539 540 // FIXME: We want to only pass options relative to the defaults, which 541 // requires constructing a target. :( 542 // 543 // It would be better to push the all target specific choices into the driver, 544 // so that everything below that was more uniform. 545 546 if (Opts.Trigraphs) 547 Res.push_back("-trigraphs"); 548 // Implicit based on the input kind: 549 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 550 // Implicit based on the input language standard: 551 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 552 if (Opts.DollarIdents) 553 Res.push_back("-fdollars-in-identifiers"); 554 if (Opts.GNUMode && !Opts.GNUKeywords) 555 Res.push_back("-fno-gnu-keywords"); 556 if (!Opts.GNUMode && Opts.GNUKeywords) 557 Res.push_back("-fgnu-keywords"); 558 if (Opts.Microsoft) 559 Res.push_back("-fms-extensions"); 560 if (Opts.MSCVersion != 0) 561 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 562 if (Opts.Borland) 563 Res.push_back("-fborland-extensions"); 564 if (Opts.ObjCNonFragileABI) 565 Res.push_back("-fobjc-nonfragile-abi"); 566 if (Opts.ObjCNonFragileABI2) 567 Res.push_back("-fobjc-nonfragile-abi"); 568 if (Opts.ObjCDefaultSynthProperties) 569 Res.push_back("-fobjc-default-synthesize-properties"); 570 // NoInline is implicit. 571 if (!Opts.CXXOperatorNames) 572 Res.push_back("-fno-operator-names"); 573 if (Opts.PascalStrings) 574 Res.push_back("-fpascal-strings"); 575 if (Opts.CatchUndefined) 576 Res.push_back("-fcatch-undefined-behavior"); 577 if (Opts.WritableStrings) 578 Res.push_back("-fwritable-strings"); 579 if (Opts.ConstStrings) 580 Res.push_back("-fconst-strings"); 581 if (!Opts.LaxVectorConversions) 582 Res.push_back("-fno-lax-vector-conversions"); 583 if (Opts.AltiVec) 584 Res.push_back("-faltivec"); 585 if (Opts.Exceptions) 586 Res.push_back("-fexceptions"); 587 if (Opts.ObjCExceptions) 588 Res.push_back("-fobjc-exceptions"); 589 if (Opts.CXXExceptions) 590 Res.push_back("-fcxx-exceptions"); 591 if (Opts.SjLjExceptions) 592 Res.push_back("-fsjlj-exceptions"); 593 if (Opts.TraditionalCPP) 594 Res.push_back("-traditional-cpp"); 595 if (!Opts.RTTI) 596 Res.push_back("-fno-rtti"); 597 if (Opts.MSBitfields) 598 Res.push_back("-mms-bitfields"); 599 if (!Opts.NeXTRuntime) 600 Res.push_back("-fgnu-runtime"); 601 if (Opts.Freestanding) 602 Res.push_back("-ffreestanding"); 603 if (Opts.NoBuiltin) 604 Res.push_back("-fno-builtin"); 605 if (!Opts.AssumeSaneOperatorNew) 606 Res.push_back("-fno-assume-sane-operator-new"); 607 if (!Opts.ThreadsafeStatics) 608 Res.push_back("-fno-threadsafe-statics"); 609 if (Opts.POSIXThreads) 610 Res.push_back("-pthread"); 611 if (Opts.Blocks) 612 Res.push_back("-fblocks"); 613 if (Opts.EmitAllDecls) 614 Res.push_back("-femit-all-decls"); 615 if (Opts.MathErrno) 616 Res.push_back("-fmath-errno"); 617 switch (Opts.getSignedOverflowBehavior()) { 618 case LangOptions::SOB_Undefined: break; 619 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 620 case LangOptions::SOB_Trapping: 621 Res.push_back("-ftrapv"); break; 622 if (!Opts.OverflowHandler.empty()) { 623 Res.push_back("-ftrapv-handler"); 624 Res.push_back(Opts.OverflowHandler); 625 } 626 } 627 if (Opts.HeinousExtensions) 628 Res.push_back("-fheinous-gnu-extensions"); 629 // Optimize is implicit. 630 // OptimizeSize is implicit. 631 if (Opts.Static) 632 Res.push_back("-static-define"); 633 if (Opts.DumpRecordLayouts) 634 Res.push_back("-fdump-record-layouts"); 635 if (Opts.DumpVTableLayouts) 636 Res.push_back("-fdump-vtable-layouts"); 637 if (Opts.NoBitFieldTypeAlign) 638 Res.push_back("-fno-bitfield-type-alignment"); 639 if (Opts.PICLevel) { 640 Res.push_back("-pic-level"); 641 Res.push_back(llvm::utostr(Opts.PICLevel)); 642 } 643 if (Opts.ObjCGCBitmapPrint) 644 Res.push_back("-print-ivar-layout"); 645 if (Opts.NoConstantCFStrings) 646 Res.push_back("-fno-constant-cfstrings"); 647 if (!Opts.AccessControl) 648 Res.push_back("-fno-access-control"); 649 if (!Opts.CharIsSigned) 650 Res.push_back("-fno-signed-char"); 651 if (Opts.ShortWChar) 652 Res.push_back("-fshort-wchar"); 653 if (!Opts.ElideConstructors) 654 Res.push_back("-fno-elide-constructors"); 655 if (Opts.getGCMode() != LangOptions::NonGC) { 656 if (Opts.getGCMode() == LangOptions::HybridGC) { 657 Res.push_back("-fobjc-gc"); 658 } else { 659 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 660 Res.push_back("-fobjc-gc-only"); 661 } 662 } 663 if (Opts.AppleKext) 664 Res.push_back("-fapple-kext"); 665 666 if (Opts.getVisibilityMode() != DefaultVisibility) { 667 Res.push_back("-fvisibility"); 668 if (Opts.getVisibilityMode() == HiddenVisibility) { 669 Res.push_back("hidden"); 670 } else { 671 assert(Opts.getVisibilityMode() == ProtectedVisibility && 672 "Invalid visibility!"); 673 Res.push_back("protected"); 674 } 675 } 676 if (Opts.InlineVisibilityHidden) 677 Res.push_back("-fvisibility-inlines-hidden"); 678 679 if (Opts.getStackProtectorMode() != 0) { 680 Res.push_back("-stack-protector"); 681 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 682 } 683 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 684 Res.push_back("-ftemplate-depth"); 685 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 686 } 687 if (!Opts.ObjCConstantStringClass.empty()) { 688 Res.push_back("-fconstant-string-class"); 689 Res.push_back(Opts.ObjCConstantStringClass); 690 } 691 if (Opts.FakeAddressSpaceMap) 692 Res.push_back("-ffake-address-space-map"); 693 if (Opts.ParseUnknownAnytype) 694 Res.push_back("-funknown-anytype"); 695 if (Opts.DelayedTemplateParsing) 696 Res.push_back("-fdelayed-template-parsing"); 697 if (Opts.Deprecated) 698 Res.push_back("-fdeprecated-macro"); 699} 700 701static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 702 std::vector<std::string> &Res) { 703 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 704 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 705 Opts.Macros[i].first); 706 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 707 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 708 Res.push_back("-include"); 709 Res.push_back(Opts.Includes[i]); 710 } 711 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 712 Res.push_back("-imacros"); 713 Res.push_back(Opts.MacroIncludes[i]); 714 } 715 if (!Opts.UsePredefines) 716 Res.push_back("-undef"); 717 if (Opts.DetailedRecord) 718 Res.push_back("-detailed-preprocessing-record"); 719 if (!Opts.ImplicitPCHInclude.empty()) { 720 Res.push_back("-include-pch"); 721 Res.push_back(Opts.ImplicitPCHInclude); 722 } 723 if (!Opts.ImplicitPTHInclude.empty()) { 724 Res.push_back("-include-pth"); 725 Res.push_back(Opts.ImplicitPTHInclude); 726 } 727 if (!Opts.TokenCache.empty()) { 728 if (Opts.ImplicitPTHInclude.empty()) { 729 Res.push_back("-token-cache"); 730 Res.push_back(Opts.TokenCache); 731 } else 732 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 733 "Unsupported option combination!"); 734 } 735 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) { 736 Res.push_back("-chain-include"); 737 Res.push_back(Opts.ChainedIncludes[i]); 738 } 739 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 740 Res.push_back("-remap-file"); 741 Res.push_back(Opts.RemappedFiles[i].first + ";" + 742 Opts.RemappedFiles[i].second); 743 } 744} 745 746static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 747 std::vector<std::string> &Res) { 748 if (!Opts.ShowCPP && !Opts.ShowMacros) 749 llvm::report_fatal_error("Invalid option combination!"); 750 751 if (Opts.ShowCPP && Opts.ShowMacros) 752 Res.push_back("-dD"); 753 else if (!Opts.ShowCPP && Opts.ShowMacros) 754 Res.push_back("-dM"); 755 756 if (!Opts.ShowLineMarkers) 757 Res.push_back("-P"); 758 if (Opts.ShowComments) 759 Res.push_back("-C"); 760 if (Opts.ShowMacroComments) 761 Res.push_back("-CC"); 762} 763 764static void TargetOptsToArgs(const TargetOptions &Opts, 765 std::vector<std::string> &Res) { 766 Res.push_back("-triple"); 767 Res.push_back(Opts.Triple); 768 if (!Opts.CPU.empty()) { 769 Res.push_back("-target-cpu"); 770 Res.push_back(Opts.CPU); 771 } 772 if (!Opts.ABI.empty()) { 773 Res.push_back("-target-abi"); 774 Res.push_back(Opts.ABI); 775 } 776 if (!Opts.LinkerVersion.empty()) { 777 Res.push_back("-target-linker-version"); 778 Res.push_back(Opts.LinkerVersion); 779 } 780 if (!Opts.CXXABI.empty()) { 781 Res.push_back("-cxx-abi"); 782 Res.push_back(Opts.CXXABI); 783 } 784 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 785 Res.push_back("-target-feature"); 786 Res.push_back(Opts.Features[i]); 787 } 788} 789 790void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 791 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 792 CodeGenOptsToArgs(getCodeGenOpts(), Res); 793 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 794 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 795 FileSystemOptsToArgs(getFileSystemOpts(), Res); 796 FrontendOptsToArgs(getFrontendOpts(), Res); 797 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 798 LangOptsToArgs(getLangOpts(), Res); 799 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 800 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 801 TargetOptsToArgs(getTargetOpts(), Res); 802} 803 804//===----------------------------------------------------------------------===// 805// Deserialization (to args) 806//===----------------------------------------------------------------------===// 807 808using namespace clang::driver; 809using namespace clang::driver::cc1options; 810 811// 812 813static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 814 Diagnostic &Diags) { 815 unsigned DefaultOpt = 0; 816 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 817 DefaultOpt = 2; 818 // -Os/-Oz implies -O2 819 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 820 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 821} 822 823static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 824 Diagnostic &Diags) { 825 using namespace cc1options; 826 827 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 828 llvm::StringRef Name = A->getValue(Args); 829 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 830#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 831 .Case(CMDFLAG, NAME##Model) 832#include "clang/Frontend/Analyses.def" 833 .Default(NumStores); 834 // FIXME: Error handling. 835 if (Value == NumStores) 836 Diags.Report(diag::err_drv_invalid_value) 837 << A->getAsString(Args) << Name; 838 else 839 Opts.AnalysisStoreOpt = Value; 840 } 841 842 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 843 llvm::StringRef Name = A->getValue(Args); 844 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 845#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 846 .Case(CMDFLAG, NAME##Model) 847#include "clang/Frontend/Analyses.def" 848 .Default(NumConstraints); 849 // FIXME: Error handling. 850 if (Value == NumConstraints) 851 Diags.Report(diag::err_drv_invalid_value) 852 << A->getAsString(Args) << Name; 853 else 854 Opts.AnalysisConstraintsOpt = Value; 855 } 856 857 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 858 llvm::StringRef Name = A->getValue(Args); 859 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 860#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 861 .Case(CMDFLAG, PD_##NAME) 862#include "clang/Frontend/Analyses.def" 863 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 864 // FIXME: Error handling. 865 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 866 Diags.Report(diag::err_drv_invalid_value) 867 << A->getAsString(Args) << Name; 868 else 869 Opts.AnalysisDiagOpt = Value; 870 } 871 872 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 873 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 874 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 875 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 876 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 877 Opts.AnalyzeNestedBlocks = 878 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 879 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 880 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 881 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 882 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 883 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 884 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 885 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 886 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 887 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 888 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 889 Opts.InlineCall = Args.hasArg(OPT_analyzer_inline_call); 890 891 Opts.CheckersControlList.clear(); 892 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 893 OPT_analyzer_disable_checker), 894 ie = Args.filtered_end(); it != ie; ++it) { 895 const Arg *A = *it; 896 A->claim(); 897 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 898 // We can have a list of comma separated checker names, e.g: 899 // '-analyzer-checker=cocoa,unix' 900 llvm::StringRef checkerList = A->getValue(Args); 901 llvm::SmallVector<llvm::StringRef, 4> checkers; 902 checkerList.split(checkers, ","); 903 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 904 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 905 } 906} 907 908static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 909 Diagnostic &Diags) { 910 using namespace cc1options; 911 912 Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags); 913 if (Opts.OptimizationLevel > 3) { 914 Diags.Report(diag::err_drv_invalid_value) 915 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 916 Opts.OptimizationLevel = 3; 917 } 918 919 // We must always run at least the always inlining pass. 920 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 921 : CodeGenOptions::OnlyAlwaysInlining; 922 923 Opts.DebugInfo = Args.hasArg(OPT_g); 924 Opts.LimitDebugInfo = Args.hasArg(OPT_flimit_debug_info); 925 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 926 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 927 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 928 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 929 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 930 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 931 Opts.NoCommon = Args.hasArg(OPT_fno_common); 932 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 933 Opts.OptimizeSize = Args.hasArg(OPT_Os); 934 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 935 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 936 Args.hasArg(OPT_ffreestanding)); 937 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 938 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 939 940 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 941 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 942 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 943 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 944 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 945 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 946 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 947 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 948 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 949 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 950 Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)|| 951 Args.hasArg(OPT_cl_fast_relaxed_math); 952 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 953 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 954 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 955 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 956 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 957 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 958 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 959 Opts.UnsafeFPMath = Args.hasArg(OPT_cl_unsafe_math_optimizations) || 960 Args.hasArg(OPT_cl_fast_relaxed_math); 961 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 962 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 963 964 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 965 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 966 967 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 968 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 969 970 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 971 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 972 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 973 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 974 975 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 976 llvm::StringRef Name = A->getValue(Args); 977 unsigned Method = llvm::StringSwitch<unsigned>(Name) 978 .Case("legacy", CodeGenOptions::Legacy) 979 .Case("non-legacy", CodeGenOptions::NonLegacy) 980 .Case("mixed", CodeGenOptions::Mixed) 981 .Default(~0U); 982 if (Method == ~0U) 983 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 984 else 985 Opts.ObjCDispatchMethod = Method; 986 } 987} 988 989static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 990 ArgList &Args) { 991 using namespace cc1options; 992 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 993 Opts.Targets = Args.getAllArgValues(OPT_MT); 994 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 995 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 996 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 997 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 998} 999 1000static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1001 Diagnostic &Diags) { 1002 using namespace cc1options; 1003 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1004 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1005 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1006 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1007 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1008 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1009 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1010 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 1011 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1012 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1013 Opts.ShowNames = Args.hasArg(OPT_fdiagnostics_show_name); 1014 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1015 1016 // Default behavior is to not to show note include stacks. 1017 Opts.ShowNoteIncludeStack = false; 1018 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1019 OPT_fno_diagnostics_show_note_include_stack)) 1020 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1021 Opts.ShowNoteIncludeStack = true; 1022 1023 llvm::StringRef ShowOverloads = 1024 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1025 if (ShowOverloads == "best") 1026 Opts.ShowOverloads = Diagnostic::Ovl_Best; 1027 else if (ShowOverloads == "all") 1028 Opts.ShowOverloads = Diagnostic::Ovl_All; 1029 else 1030 Diags.Report(diag::err_drv_invalid_value) 1031 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1032 << ShowOverloads; 1033 1034 llvm::StringRef ShowCategory = 1035 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1036 if (ShowCategory == "none") 1037 Opts.ShowCategories = 0; 1038 else if (ShowCategory == "id") 1039 Opts.ShowCategories = 1; 1040 else if (ShowCategory == "name") 1041 Opts.ShowCategories = 2; 1042 else 1043 Diags.Report(diag::err_drv_invalid_value) 1044 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1045 << ShowCategory; 1046 1047 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1048 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1049 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1050 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1051 Opts.MacroBacktraceLimit 1052 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1053 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1054 Opts.TemplateBacktraceLimit 1055 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1056 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1057 Diags); 1058 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1059 DiagnosticOptions::DefaultTabStop, Diags); 1060 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1061 Diags.Report(diag::warn_ignoring_ftabstop_value) 1062 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1063 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1064 } 1065 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1066 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1067 Opts.Warnings = Args.getAllArgValues(OPT_W); 1068} 1069 1070static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1071 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1072} 1073 1074static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1075 Diagnostic &Diags) { 1076 using namespace cc1options; 1077 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1078 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1079 switch (A->getOption().getID()) { 1080 default: 1081 assert(0 && "Invalid option in group!"); 1082 case OPT_ast_dump: 1083 Opts.ProgramAction = frontend::ASTDump; break; 1084 case OPT_ast_dump_xml: 1085 Opts.ProgramAction = frontend::ASTDumpXML; break; 1086 case OPT_ast_print: 1087 Opts.ProgramAction = frontend::ASTPrint; break; 1088 case OPT_ast_view: 1089 Opts.ProgramAction = frontend::ASTView; break; 1090 case OPT_boostcon: 1091 Opts.ProgramAction = frontend::BoostCon; break; 1092 case OPT_dump_raw_tokens: 1093 Opts.ProgramAction = frontend::DumpRawTokens; break; 1094 case OPT_dump_tokens: 1095 Opts.ProgramAction = frontend::DumpTokens; break; 1096 case OPT_S: 1097 Opts.ProgramAction = frontend::EmitAssembly; break; 1098 case OPT_emit_llvm_bc: 1099 Opts.ProgramAction = frontend::EmitBC; break; 1100 case OPT_emit_html: 1101 Opts.ProgramAction = frontend::EmitHTML; break; 1102 case OPT_emit_llvm: 1103 Opts.ProgramAction = frontend::EmitLLVM; break; 1104 case OPT_emit_llvm_only: 1105 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1106 case OPT_emit_codegen_only: 1107 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1108 case OPT_emit_obj: 1109 Opts.ProgramAction = frontend::EmitObj; break; 1110 case OPT_fixit_EQ: 1111 Opts.FixItSuffix = A->getValue(Args); 1112 // fall-through! 1113 case OPT_fixit: 1114 Opts.ProgramAction = frontend::FixIt; break; 1115 case OPT_emit_pch: 1116 Opts.ProgramAction = frontend::GeneratePCH; break; 1117 case OPT_emit_pth: 1118 Opts.ProgramAction = frontend::GeneratePTH; break; 1119 case OPT_init_only: 1120 Opts.ProgramAction = frontend::InitOnly; break; 1121 case OPT_fsyntax_only: 1122 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1123 case OPT_print_decl_contexts: 1124 Opts.ProgramAction = frontend::PrintDeclContext; break; 1125 case OPT_print_preamble: 1126 Opts.ProgramAction = frontend::PrintPreamble; break; 1127 case OPT_E: 1128 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1129 case OPT_rewrite_macros: 1130 Opts.ProgramAction = frontend::RewriteMacros; break; 1131 case OPT_rewrite_objc: 1132 Opts.ProgramAction = frontend::RewriteObjC; break; 1133 case OPT_rewrite_test: 1134 Opts.ProgramAction = frontend::RewriteTest; break; 1135 case OPT_analyze: 1136 Opts.ProgramAction = frontend::RunAnalysis; break; 1137 case OPT_Eonly: 1138 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1139 case OPT_create_module: 1140 Opts.ProgramAction = frontend::CreateModule; break; 1141 } 1142 } 1143 1144 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1145 Opts.Plugins.push_back(A->getValue(Args,0)); 1146 Opts.ProgramAction = frontend::PluginAction; 1147 Opts.ActionName = A->getValue(Args); 1148 1149 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1150 end = Args.filtered_end(); it != end; ++it) { 1151 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1152 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1153 } 1154 } 1155 1156 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1157 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1158 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1159 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1160 end = Args.filtered_end(); it != end; ++it) { 1161 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1162 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1163 } 1164 } 1165 1166 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1167 Opts.CodeCompletionAt = 1168 ParsedSourceLocation::FromString(A->getValue(Args)); 1169 if (Opts.CodeCompletionAt.FileName.empty()) 1170 Diags.Report(diag::err_drv_invalid_value) 1171 << A->getAsString(Args) << A->getValue(Args); 1172 } 1173 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1174 1175 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1176 Opts.Plugins = Args.getAllArgValues(OPT_load); 1177 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1178 Opts.ChainedPCH = Args.hasArg(OPT_chained_pch); 1179 Opts.ShowHelp = Args.hasArg(OPT_help); 1180 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1181 Opts.ShowCodePatternsInCodeCompletion 1182 = Args.hasArg(OPT_code_completion_patterns); 1183 Opts.ShowGlobalSymbolsInCodeCompletion 1184 = !Args.hasArg(OPT_no_code_completion_globals); 1185 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1186 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1187 Opts.ShowVersion = Args.hasArg(OPT_version); 1188 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1189 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1190 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1191 Opts.Modules = Args.getAllArgValues(OPT_import_module); 1192 1193 InputKind DashX = IK_None; 1194 if (const Arg *A = Args.getLastArg(OPT_x)) { 1195 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1196 .Case("c", IK_C) 1197 .Case("cl", IK_OpenCL) 1198 .Case("c", IK_C) 1199 .Case("cl", IK_OpenCL) 1200 .Case("cuda", IK_CUDA) 1201 .Case("c++", IK_CXX) 1202 .Case("objective-c", IK_ObjC) 1203 .Case("objective-c++", IK_ObjCXX) 1204 .Case("cpp-output", IK_PreprocessedC) 1205 .Case("assembler-with-cpp", IK_Asm) 1206 .Case("c++-cpp-output", IK_PreprocessedCXX) 1207 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1208 .Case("objc-cpp-output", IK_PreprocessedObjC) 1209 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1210 .Case("c-header", IK_C) 1211 .Case("objective-c-header", IK_ObjC) 1212 .Case("c++-header", IK_CXX) 1213 .Case("objective-c++-header", IK_ObjCXX) 1214 .Case("ast", IK_AST) 1215 .Case("ir", IK_LLVM_IR) 1216 .Default(IK_None); 1217 if (DashX == IK_None) 1218 Diags.Report(diag::err_drv_invalid_value) 1219 << A->getAsString(Args) << A->getValue(Args); 1220 } 1221 1222 // '-' is the default input if none is given. 1223 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1224 Opts.Inputs.clear(); 1225 if (Inputs.empty()) 1226 Inputs.push_back("-"); 1227 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1228 InputKind IK = DashX; 1229 if (IK == IK_None) { 1230 IK = FrontendOptions::getInputKindForExtension( 1231 llvm::StringRef(Inputs[i]).rsplit('.').second); 1232 // FIXME: Remove this hack. 1233 if (i == 0) 1234 DashX = IK; 1235 } 1236 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 1237 } 1238 1239 return DashX; 1240} 1241 1242std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1243 void *MainAddr) { 1244 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1245 1246 if (!P.isEmpty()) { 1247 P.eraseComponent(); // Remove /clang from foo/bin/clang 1248 P.eraseComponent(); // Remove /bin from foo/bin 1249 1250 // Get foo/lib/clang/<version>/include 1251 P.appendComponent("lib"); 1252 P.appendComponent("clang"); 1253 P.appendComponent(CLANG_VERSION_STRING); 1254 } 1255 1256 return P.str(); 1257} 1258 1259static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1260 using namespace cc1options; 1261 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1262 Opts.Verbose = Args.hasArg(OPT_v); 1263 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1264 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 1265 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1266 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1267 1268 // Add -I... and -F... options in order. 1269 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 1270 ie = Args.filtered_end(); it != ie; ++it) 1271 Opts.AddPath((*it)->getValue(Args), frontend::Angled, true, 1272 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true); 1273 1274 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1275 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1276 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1277 OPT_iwithprefixbefore), 1278 ie = Args.filtered_end(); it != ie; ++it) { 1279 const Arg *A = *it; 1280 if (A->getOption().matches(OPT_iprefix)) 1281 Prefix = A->getValue(Args); 1282 else if (A->getOption().matches(OPT_iwithprefix)) 1283 Opts.AddPath(Prefix.str() + A->getValue(Args), 1284 frontend::System, false, false, true); 1285 else 1286 Opts.AddPath(Prefix.str() + A->getValue(Args), 1287 frontend::Angled, false, false, true); 1288 } 1289 1290 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1291 ie = Args.filtered_end(); it != ie; ++it) 1292 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true); 1293 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1294 ie = Args.filtered_end(); it != ie; ++it) 1295 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true); 1296 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem, OPT_isystem, 1297 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1298 Opts.AddPath((*it)->getValue(Args), 1299 ((*it)->getOption().matches(OPT_cxx_isystem) ? 1300 frontend::CXXSystem : frontend::System), 1301 true, false, (*it)->getOption().matches(OPT_iwithsysroot)); 1302 1303 // FIXME: Need options for the various environment variables! 1304} 1305 1306void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1307 LangStandard::Kind LangStd) { 1308 // Set some properties which depend solely on the input kind; it would be nice 1309 // to move these to the language standard, and have the driver resolve the 1310 // input kind + language standard. 1311 if (IK == IK_Asm) { 1312 Opts.AsmPreprocessor = 1; 1313 } else if (IK == IK_ObjC || 1314 IK == IK_ObjCXX || 1315 IK == IK_PreprocessedObjC || 1316 IK == IK_PreprocessedObjCXX) { 1317 Opts.ObjC1 = Opts.ObjC2 = 1; 1318 } 1319 1320 if (LangStd == LangStandard::lang_unspecified) { 1321 // Based on the base language, pick one. 1322 switch (IK) { 1323 case IK_None: 1324 case IK_AST: 1325 case IK_LLVM_IR: 1326 assert(0 && "Invalid input kind!"); 1327 case IK_OpenCL: 1328 LangStd = LangStandard::lang_opencl; 1329 break; 1330 case IK_CUDA: 1331 LangStd = LangStandard::lang_cuda; 1332 break; 1333 case IK_Asm: 1334 case IK_C: 1335 case IK_PreprocessedC: 1336 case IK_ObjC: 1337 case IK_PreprocessedObjC: 1338 LangStd = LangStandard::lang_gnu99; 1339 break; 1340 case IK_CXX: 1341 case IK_PreprocessedCXX: 1342 case IK_ObjCXX: 1343 case IK_PreprocessedObjCXX: 1344 LangStd = LangStandard::lang_gnucxx98; 1345 break; 1346 } 1347 } 1348 1349 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1350 Opts.BCPLComment = Std.hasBCPLComments(); 1351 Opts.C99 = Std.isC99(); 1352 Opts.C1X = Std.isC1X(); 1353 Opts.CPlusPlus = Std.isCPlusPlus(); 1354 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1355 Opts.Digraphs = Std.hasDigraphs(); 1356 Opts.GNUMode = Std.isGNUMode(); 1357 Opts.GNUInline = !Std.isC99(); 1358 Opts.HexFloats = Std.hasHexFloats(); 1359 Opts.ImplicitInt = Std.hasImplicitInt(); 1360 1361 // OpenCL has some additional defaults. 1362 if (LangStd == LangStandard::lang_opencl) { 1363 Opts.OpenCL = 1; 1364 Opts.AltiVec = 1; 1365 Opts.CXXOperatorNames = 1; 1366 Opts.LaxVectorConversions = 1; 1367 Opts.DefaultFPContract = 1; 1368 } 1369 1370 if (LangStd == LangStandard::lang_cuda) 1371 Opts.CUDA = 1; 1372 1373 // OpenCL and C++ both have bool, true, false keywords. 1374 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1375 1376 Opts.GNUKeywords = Opts.GNUMode; 1377 Opts.CXXOperatorNames = Opts.CPlusPlus; 1378 1379 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1380 // is specified, or -std is set to a conforming mode. 1381 Opts.Trigraphs = !Opts.GNUMode; 1382 1383 Opts.DollarIdents = !Opts.AsmPreprocessor; 1384} 1385 1386static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1387 Diagnostic &Diags) { 1388 // FIXME: Cleanup per-file based stuff. 1389 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1390 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1391 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1392#define LANGSTANDARD(id, name, desc, features) \ 1393 .Case(name, LangStandard::lang_##id) 1394#include "clang/Frontend/LangStandards.def" 1395 .Default(LangStandard::lang_unspecified); 1396 if (LangStd == LangStandard::lang_unspecified) 1397 Diags.Report(diag::err_drv_invalid_value) 1398 << A->getAsString(Args) << A->getValue(Args); 1399 } 1400 1401 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1402 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1403 Diags.Report(diag::err_drv_invalid_value) 1404 << A->getAsString(Args) << A->getValue(Args); 1405 } 1406 } 1407 1408 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1409 1410 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1411 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1412 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1413 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1414 // name, as it doesn't seem a useful distinction. 1415 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1416 Opts.GNUKeywords); 1417 1418 if (Args.hasArg(OPT_fno_operator_names)) 1419 Opts.CXXOperatorNames = 0; 1420 1421 if (Args.hasArg(OPT_fobjc_gc_only)) 1422 Opts.setGCMode(LangOptions::GCOnly); 1423 else if (Args.hasArg(OPT_fobjc_gc)) 1424 Opts.setGCMode(LangOptions::HybridGC); 1425 1426 if (Args.hasArg(OPT_fapple_kext)) { 1427 if (!Opts.CPlusPlus) 1428 Diags.Report(diag::warn_c_kext); 1429 else 1430 Opts.AppleKext = 1; 1431 } 1432 1433 if (Args.hasArg(OPT_print_ivar_layout)) 1434 Opts.ObjCGCBitmapPrint = 1; 1435 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1436 Opts.NoConstantCFStrings = 1; 1437 1438 if (Args.hasArg(OPT_faltivec)) 1439 Opts.AltiVec = 1; 1440 1441 if (Args.hasArg(OPT_pthread)) 1442 Opts.POSIXThreads = 1; 1443 1444 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1445 Opts.DelayedTemplateParsing = 1; 1446 1447 llvm::StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1448 if (Vis == "default") 1449 Opts.setVisibilityMode(DefaultVisibility); 1450 else if (Vis == "hidden") 1451 Opts.setVisibilityMode(HiddenVisibility); 1452 else if (Vis == "protected") 1453 Opts.setVisibilityMode(ProtectedVisibility); 1454 else 1455 Diags.Report(diag::err_drv_invalid_value) 1456 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1457 1458 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1459 Opts.InlineVisibilityHidden = 1; 1460 1461 if (Args.hasArg(OPT_ftrapv)) { 1462 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1463 // Set the handler, if one is specified. 1464 Opts.OverflowHandler = 1465 Args.getLastArgValue(OPT_ftrapv_handler); 1466 } 1467 else if (Args.hasArg(OPT_fwrapv)) 1468 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1469 1470 if (Args.hasArg(OPT_trigraphs)) 1471 Opts.Trigraphs = 1; 1472 1473 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1474 OPT_fno_dollars_in_identifiers, 1475 Opts.DollarIdents); 1476 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1477 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1478 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1479 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1480 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1481 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1482 Opts.ConstStrings); 1483 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1484 Opts.LaxVectorConversions = 0; 1485 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1486 Opts.ThreadsafeStatics = 0; 1487 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1488 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1489 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1490 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1491 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1492 1493 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1494 Opts.Blocks = Args.hasArg(OPT_fblocks); 1495 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1496 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1497 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1498 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1499 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1500 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1501 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1502 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1503 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1504 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1505 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1506 Diags); 1507 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1508 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1509 0, Diags); 1510 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1511 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1512 Opts.ObjCConstantStringClass = 1513 Args.getLastArgValue(OPT_fconstant_string_class); 1514 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1515 if (Opts.ObjCNonFragileABI) 1516 Opts.ObjCNonFragileABI2 = true; 1517 Opts.ObjCDefaultSynthProperties = 1518 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1519 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1520 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1521 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1522 Opts.Static = Args.hasArg(OPT_static_define); 1523 Opts.DumpRecordLayouts = Args.hasArg(OPT_fdump_record_layouts); 1524 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1525 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1526 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1527 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1528 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1529 Opts.OptimizeSize = 0; 1530 Opts.MRTD = Args.hasArg(OPT_mrtd); 1531 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1532 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1533 1534 // Record whether the __DEPRECATED define was requested. 1535 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1536 OPT_fno_deprecated_macro, 1537 Opts.Deprecated); 1538 1539 // FIXME: Eliminate this dependency. 1540 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1541 Opts.Optimize = Opt != 0; 1542 1543 // This is the __NO_INLINE__ define, which just depends on things like the 1544 // optimization level and -fno-inline, not actually whether the backend has 1545 // inlining enabled. 1546 // 1547 // FIXME: This is affected by other options (-fno-inline). 1548 Opts.NoInline = !Opt; 1549 1550 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1551 switch (SSP) { 1552 default: 1553 Diags.Report(diag::err_drv_invalid_value) 1554 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1555 break; 1556 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1557 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1558 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1559 } 1560} 1561 1562static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1563 FileManager &FileMgr, 1564 Diagnostic &Diags) { 1565 using namespace cc1options; 1566 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1567 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1568 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1569 Opts.TokenCache = A->getValue(Args); 1570 else 1571 Opts.TokenCache = Opts.ImplicitPTHInclude; 1572 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1573 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1574 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1575 1576 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1577 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1578 ie = Args.filtered_end(); it != ie; ++it) { 1579 const Arg *A = *it; 1580 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1581 } 1582 1583 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1584 llvm::StringRef Value(A->getValue(Args)); 1585 size_t Comma = Value.find(','); 1586 unsigned Bytes = 0; 1587 unsigned EndOfLine = 0; 1588 1589 if (Comma == llvm::StringRef::npos || 1590 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1591 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1592 Diags.Report(diag::err_drv_preamble_format); 1593 else { 1594 Opts.PrecompiledPreambleBytes.first = Bytes; 1595 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1596 } 1597 } 1598 1599 // Add macros from the command line. 1600 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1601 ie = Args.filtered_end(); it != ie; ++it) { 1602 if ((*it)->getOption().matches(OPT_D)) 1603 Opts.addMacroDef((*it)->getValue(Args)); 1604 else 1605 Opts.addMacroUndef((*it)->getValue(Args)); 1606 } 1607 1608 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 1609 1610 // Add the ordered list of -includes. 1611 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1612 OPT_include_pth), 1613 ie = Args.filtered_end(); it != ie; ++it) { 1614 const Arg *A = *it; 1615 // PCH is handled specially, we need to extra the original include path. 1616 if (A->getOption().matches(OPT_include_pch)) { 1617 std::string OriginalFile = 1618 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 1619 if (OriginalFile.empty()) 1620 continue; 1621 1622 Opts.Includes.push_back(OriginalFile); 1623 } else 1624 Opts.Includes.push_back(A->getValue(Args)); 1625 } 1626 1627 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 1628 ie = Args.filtered_end(); it != ie; ++it) { 1629 const Arg *A = *it; 1630 Opts.ChainedIncludes.push_back(A->getValue(Args)); 1631 } 1632 1633 // Include 'altivec.h' if -faltivec option present 1634 if (Args.hasArg(OPT_faltivec)) 1635 Opts.Includes.push_back("altivec.h"); 1636 1637 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1638 ie = Args.filtered_end(); it != ie; ++it) { 1639 const Arg *A = *it; 1640 std::pair<llvm::StringRef,llvm::StringRef> Split = 1641 llvm::StringRef(A->getValue(Args)).split(';'); 1642 1643 if (Split.second.empty()) { 1644 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 1645 continue; 1646 } 1647 1648 Opts.addRemappedFile(Split.first, Split.second); 1649 } 1650} 1651 1652static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1653 ArgList &Args) { 1654 using namespace cc1options; 1655 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1656 Opts.ShowComments = Args.hasArg(OPT_C); 1657 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1658 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1659 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1660} 1661 1662static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1663 using namespace cc1options; 1664 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 1665 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 1666 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 1667 Opts.Features = Args.getAllArgValues(OPT_target_feature); 1668 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 1669 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 1670 1671 // Use the host triple if unspecified. 1672 if (Opts.Triple.empty()) 1673 Opts.Triple = llvm::sys::getHostTriple(); 1674} 1675 1676// 1677 1678void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1679 const char *const *ArgBegin, 1680 const char *const *ArgEnd, 1681 Diagnostic &Diags) { 1682 // Parse the arguments. 1683 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1684 unsigned MissingArgIndex, MissingArgCount; 1685 llvm::OwningPtr<InputArgList> Args( 1686 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1687 1688 // Check for missing argument error. 1689 if (MissingArgCount) 1690 Diags.Report(diag::err_drv_missing_argument) 1691 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1692 1693 // Issue errors on unknown arguments. 1694 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1695 ie = Args->filtered_end(); it != ie; ++it) 1696 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 1697 1698 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1699 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1700 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1701 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 1702 // FIXME: We shouldn't have to pass the DashX option around here 1703 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1704 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags); 1705 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1706 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 1707 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1708 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 1709 Res.getLangOpts().ObjCExceptions = 1; 1710 } 1711 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 1712 // PCH file and find the original header name. Remove the need to do that in 1713 // ParsePreprocessorArgs and remove the FileManager 1714 // parameters from the function and the "FileManager.h" #include. 1715 FileManager FileMgr(Res.getFileSystemOpts()); 1716 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 1717 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1718 ParseTargetArgs(Res.getTargetOpts(), *Args); 1719} 1720