CompilerInvocation.cpp revision 234353
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 33//===----------------------------------------------------------------------===// 34// Initialization. 35//===----------------------------------------------------------------------===// 36 37CompilerInvocationBase::CompilerInvocationBase() 38 : LangOpts(new LangOptions()) {} 39 40CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X) 41 : RefCountedBase<CompilerInvocation>(), 42 LangOpts(new LangOptions(*X.getLangOpts())) {} 43 44//===----------------------------------------------------------------------===// 45// Utility functions. 46//===----------------------------------------------------------------------===// 47 48static const char *getAnalysisStoreName(AnalysisStores Kind) { 49 switch (Kind) { 50 default: 51 llvm_unreachable("Unknown analysis store!"); 52#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 53 case NAME##Model: return CMDFLAG; 54#include "clang/Frontend/Analyses.def" 55 } 56} 57 58static const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 59 switch (Kind) { 60 default: 61 llvm_unreachable("Unknown analysis constraints!"); 62#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 63 case NAME##Model: return CMDFLAG; 64#include "clang/Frontend/Analyses.def" 65 } 66} 67 68static const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 69 switch (Kind) { 70 default: 71 llvm_unreachable("Unknown analysis client!"); 72#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 73 case PD_##NAME: return CMDFLAG; 74#include "clang/Frontend/Analyses.def" 75 } 76} 77 78static const char *getAnalysisPurgeModeName(AnalysisPurgeMode Kind) { 79 switch (Kind) { 80 default: 81 llvm_unreachable("Unknown analysis purge mode!"); 82#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 83 case NAME: return CMDFLAG; 84#include "clang/Frontend/Analyses.def" 85 } 86} 87 88static const char *getAnalysisIPAModeName(AnalysisIPAMode Kind) { 89 switch (Kind) { 90 default: 91 llvm_unreachable("Unknown analysis ipa mode!"); 92#define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 93 case NAME: return CMDFLAG; 94#include "clang/Frontend/Analyses.def" 95 } 96} 97 98static const char * 99 getAnalysisInliningModeName(AnalysisInliningMode Kind) { 100 switch (Kind) { 101 default: 102 llvm_unreachable("Unknown analysis inlining mode!"); 103#define ANALYSIS_INLINE_SELECTION(NAME, CMDFLAG, DESC) \ 104 case NAME: return CMDFLAG; 105#include "clang/Frontend/Analyses.def" 106 } 107} 108 109//===----------------------------------------------------------------------===// 110// Serialization (to args) 111//===----------------------------------------------------------------------===// 112 113namespace { 114 /// ToArgsList - Helper class to create a list of std::strings. 115 class ToArgsList { 116 std::vector<std::string> &Res; 117 public: 118 explicit ToArgsList(std::vector<std::string> &Res) : Res(Res) {} 119 120 void push_back(StringRef Str) { 121 // Avoid creating a temporary string. 122 Res.push_back(std::string()); 123 Res.back().assign(Str.data(), Str.size()); 124 } 125 126 void push_back(StringRef Str1, StringRef Str2) { 127 push_back(Str1); 128 push_back(Str2); 129 } 130 }; 131} 132 133static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, ToArgsList &Res) { 134 if (Opts.ShowCheckerHelp) 135 Res.push_back("-analyzer-checker-help"); 136 if (Opts.AnalysisStoreOpt != RegionStoreModel) 137 Res.push_back("-analyzer-store", 138 getAnalysisStoreName(Opts.AnalysisStoreOpt)); 139 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) 140 Res.push_back("-analyzer-constraints", 141 getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 142 if (Opts.AnalysisDiagOpt != PD_HTML) 143 Res.push_back("-analyzer-output", 144 getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 145 if (Opts.AnalysisPurgeOpt != PurgeStmt) 146 Res.push_back("-analyzer-purge", 147 getAnalysisPurgeModeName(Opts.AnalysisPurgeOpt)); 148 if (!Opts.AnalyzeSpecificFunction.empty()) 149 Res.push_back("-analyze-function", Opts.AnalyzeSpecificFunction); 150 if (Opts.IPAMode != Inlining) 151 Res.push_back("-analyzer-ipa", getAnalysisIPAModeName(Opts.IPAMode)); 152 if (Opts.InliningMode != NoRedundancy) 153 Res.push_back("-analyzer-inlining-mode", 154 getAnalysisInliningModeName(Opts.InliningMode)); 155 156 if (Opts.AnalyzeAll) 157 Res.push_back("-analyzer-opt-analyze-headers"); 158 if (Opts.AnalyzerDisplayProgress) 159 Res.push_back("-analyzer-display-progress"); 160 if (Opts.AnalyzeNestedBlocks) 161 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 162 if (Opts.EagerlyAssume) 163 Res.push_back("-analyzer-eagerly-assume"); 164 if (Opts.TrimGraph) 165 Res.push_back("-trim-egraph"); 166 if (Opts.VisualizeEGDot) 167 Res.push_back("-analyzer-viz-egraph-graphviz"); 168 if (Opts.VisualizeEGUbi) 169 Res.push_back("-analyzer-viz-egraph-ubigraph"); 170 if (Opts.NoRetryExhausted) 171 Res.push_back("-analyzer-disable-retry-exhausted"); 172 173 for (unsigned i = 0, e = Opts.CheckersControlList.size(); i != e; ++i) { 174 const std::pair<std::string, bool> &opt = Opts.CheckersControlList[i]; 175 if (opt.second) 176 Res.push_back("-analyzer-disable-checker"); 177 else 178 Res.push_back("-analyzer-checker"); 179 Res.push_back(opt.first); 180 } 181} 182 183static void CodeGenOptsToArgs(const CodeGenOptions &Opts, ToArgsList &Res) { 184 if (Opts.DebugInfo) 185 Res.push_back("-g"); 186 if (Opts.DisableLLVMOpts) 187 Res.push_back("-disable-llvm-optzns"); 188 if (Opts.DisableRedZone) 189 Res.push_back("-disable-red-zone"); 190 if (Opts.DisableTailCalls) 191 Res.push_back("-mdisable-tail-calls"); 192 if (!Opts.DebugCompilationDir.empty()) 193 Res.push_back("-fdebug-compilation-dir", Opts.DebugCompilationDir); 194 if (!Opts.DwarfDebugFlags.empty()) 195 Res.push_back("-dwarf-debug-flags", Opts.DwarfDebugFlags); 196 if (Opts.ObjCRuntimeHasARC) 197 Res.push_back("-fobjc-runtime-has-arc"); 198 if (Opts.ObjCRuntimeHasTerminate) 199 Res.push_back("-fobjc-runtime-has-terminate"); 200 if (Opts.EmitGcovArcs) 201 Res.push_back("-femit-coverage-data"); 202 if (Opts.EmitGcovNotes) 203 Res.push_back("-femit-coverage-notes"); 204 if (!Opts.MergeAllConstants) 205 Res.push_back("-fno-merge-all-constants"); 206 if (Opts.NoCommon) 207 Res.push_back("-fno-common"); 208 if (Opts.ForbidGuardVariables) 209 Res.push_back("-fforbid-guard-variables"); 210 if (Opts.UseRegisterSizedBitfieldAccess) 211 Res.push_back("-fuse-register-sized-bitfield-access"); 212 if (Opts.NoImplicitFloat) 213 Res.push_back("-no-implicit-float"); 214 if (Opts.OmitLeafFramePointer) 215 Res.push_back("-momit-leaf-frame-pointer"); 216 if (Opts.OptimizeSize) { 217 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 218 Opts.OptimizeSize == 1 ? Res.push_back("-Os") : Res.push_back("-Oz"); 219 } else if (Opts.OptimizationLevel != 0) 220 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 221 if (!Opts.MainFileName.empty()) 222 Res.push_back("-main-file-name", Opts.MainFileName); 223 if (Opts.NoInfsFPMath) 224 Res.push_back("-menable-no-infinities"); 225 if (Opts.NoNaNsFPMath) 226 Res.push_back("-menable-no-nans"); 227 // SimplifyLibCalls is only derived. 228 // TimePasses is only derived. 229 // UnitAtATime is unused. 230 // Inlining is only derived. 231 232 // UnrollLoops is derived, but also accepts an option, no 233 // harm in pushing it back here. 234 if (Opts.UnrollLoops) 235 Res.push_back("-funroll-loops"); 236 if (Opts.DataSections) 237 Res.push_back("-fdata-sections"); 238 if (Opts.FunctionSections) 239 Res.push_back("-ffunction-sections"); 240 if (Opts.AsmVerbose) 241 Res.push_back("-masm-verbose"); 242 if (!Opts.CodeModel.empty()) 243 Res.push_back("-mcode-model", Opts.CodeModel); 244 if (Opts.CUDAIsDevice) 245 Res.push_back("-fcuda-is-device"); 246 if (!Opts.CXAAtExit) 247 Res.push_back("-fno-use-cxa-atexit"); 248 if (Opts.CXXCtorDtorAliases) 249 Res.push_back("-mconstructor-aliases"); 250 if (Opts.ObjCAutoRefCountExceptions) 251 Res.push_back("-fobjc-arc-eh"); 252 if (!Opts.DebugPass.empty()) { 253 Res.push_back("-mdebug-pass", Opts.DebugPass); 254 } 255 if (Opts.DisableFPElim) 256 Res.push_back("-mdisable-fp-elim"); 257 if (!Opts.FloatABI.empty()) 258 Res.push_back("-mfloat-abi", Opts.FloatABI); 259 if (!Opts.LimitFloatPrecision.empty()) 260 Res.push_back("-mlimit-float-precision", Opts.LimitFloatPrecision); 261 if (Opts.NoZeroInitializedInBSS) 262 Res.push_back("-mno-zero-initialized-bss"); 263 switch (Opts.getObjCDispatchMethod()) { 264 case CodeGenOptions::Legacy: 265 break; 266 case CodeGenOptions::Mixed: 267 Res.push_back("-fobjc-dispatch-method=mixed"); 268 break; 269 case CodeGenOptions::NonLegacy: 270 Res.push_back("-fobjc-dispatch-method=non-legacy"); 271 break; 272 } 273 if (Opts.NumRegisterParameters) 274 Res.push_back("-mregparm", llvm::utostr(Opts.NumRegisterParameters)); 275 if (Opts.NoGlobalMerge) 276 Res.push_back("-mno-global-merge"); 277 if (Opts.NoExecStack) 278 Res.push_back("-mnoexecstack"); 279 if (Opts.RelaxAll) 280 Res.push_back("-mrelax-all"); 281 if (Opts.SaveTempLabels) 282 Res.push_back("-msave-temp-labels"); 283 if (Opts.NoDwarf2CFIAsm) 284 Res.push_back("-fno-dwarf2-cfi-asm"); 285 if (Opts.NoDwarfDirectoryAsm) 286 Res.push_back("-fno-dwarf-directory-asm"); 287 if (Opts.SoftFloat) 288 Res.push_back("-msoft-float"); 289 if (Opts.StrictEnums) 290 Res.push_back("-fstrict-enums"); 291 if (Opts.UnwindTables) 292 Res.push_back("-munwind-tables"); 293 if (Opts.RelocationModel != "pic") 294 Res.push_back("-mrelocation-model", Opts.RelocationModel); 295 if (!Opts.VerifyModule) 296 Res.push_back("-disable-llvm-verifier"); 297 for (unsigned i = 0, e = Opts.BackendOptions.size(); i != e; ++i) 298 Res.push_back("-backend-option", Opts.BackendOptions[i]); 299} 300 301static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 302 ToArgsList &Res) { 303 if (Opts.IncludeSystemHeaders) 304 Res.push_back("-sys-header-deps"); 305 if (Opts.ShowHeaderIncludes) 306 Res.push_back("-H"); 307 if (!Opts.HeaderIncludeOutputFile.empty()) 308 Res.push_back("-header-include-file", Opts.HeaderIncludeOutputFile); 309 if (Opts.UsePhonyTargets) 310 Res.push_back("-MP"); 311 if (!Opts.OutputFile.empty()) 312 Res.push_back("-dependency-file", Opts.OutputFile); 313 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) 314 Res.push_back("-MT", Opts.Targets[i]); 315} 316 317static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 318 ToArgsList &Res) { 319 if (Opts.IgnoreWarnings) 320 Res.push_back("-w"); 321 if (Opts.NoRewriteMacros) 322 Res.push_back("-Wno-rewrite-macros"); 323 if (Opts.Pedantic) 324 Res.push_back("-pedantic"); 325 if (Opts.PedanticErrors) 326 Res.push_back("-pedantic-errors"); 327 if (!Opts.ShowColumn) 328 Res.push_back("-fno-show-column"); 329 if (!Opts.ShowLocation) 330 Res.push_back("-fno-show-source-location"); 331 if (!Opts.ShowCarets) 332 Res.push_back("-fno-caret-diagnostics"); 333 if (!Opts.ShowFixits) 334 Res.push_back("-fno-diagnostics-fixit-info"); 335 if (Opts.ShowSourceRanges) 336 Res.push_back("-fdiagnostics-print-source-range-info"); 337 if (Opts.ShowParseableFixits) 338 Res.push_back("-fdiagnostics-parseable-fixits"); 339 if (Opts.ShowColors) 340 Res.push_back("-fcolor-diagnostics"); 341 if (Opts.VerifyDiagnostics) 342 Res.push_back("-verify"); 343 if (Opts.ShowOptionNames) 344 Res.push_back("-fdiagnostics-show-option"); 345 if (Opts.ShowCategories == 1) 346 Res.push_back("-fdiagnostics-show-category=id"); 347 else if (Opts.ShowCategories == 2) 348 Res.push_back("-fdiagnostics-show-category=name"); 349 switch (Opts.Format) { 350 case DiagnosticOptions::Clang: 351 Res.push_back("-fdiagnostics-format=clang"); break; 352 case DiagnosticOptions::Msvc: 353 Res.push_back("-fdiagnostics-format=msvc"); break; 354 case DiagnosticOptions::Vi: 355 Res.push_back("-fdiagnostics-format=vi"); break; 356 } 357 if (Opts.ErrorLimit) 358 Res.push_back("-ferror-limit", llvm::utostr(Opts.ErrorLimit)); 359 if (!Opts.DiagnosticLogFile.empty()) 360 Res.push_back("-diagnostic-log-file", Opts.DiagnosticLogFile); 361 if (Opts.MacroBacktraceLimit 362 != DiagnosticOptions::DefaultMacroBacktraceLimit) 363 Res.push_back("-fmacro-backtrace-limit", 364 llvm::utostr(Opts.MacroBacktraceLimit)); 365 if (Opts.TemplateBacktraceLimit 366 != DiagnosticOptions::DefaultTemplateBacktraceLimit) 367 Res.push_back("-ftemplate-backtrace-limit", 368 llvm::utostr(Opts.TemplateBacktraceLimit)); 369 if (Opts.ConstexprBacktraceLimit 370 != DiagnosticOptions::DefaultConstexprBacktraceLimit) 371 Res.push_back("-fconstexpr-backtrace-limit", 372 llvm::utostr(Opts.ConstexprBacktraceLimit)); 373 374 if (Opts.TabStop != DiagnosticOptions::DefaultTabStop) 375 Res.push_back("-ftabstop", llvm::utostr(Opts.TabStop)); 376 if (Opts.MessageLength) 377 Res.push_back("-fmessage-length", llvm::utostr(Opts.MessageLength)); 378 if (!Opts.DumpBuildInformation.empty()) 379 Res.push_back("-dump-build-information", Opts.DumpBuildInformation); 380 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 381 Res.push_back("-W" + Opts.Warnings[i]); 382} 383 384static const char *getInputKindName(InputKind Kind) { 385 switch (Kind) { 386 case IK_None: break; 387 case IK_AST: return "ast"; 388 case IK_Asm: return "assembler-with-cpp"; 389 case IK_C: return "c"; 390 case IK_CXX: return "c++"; 391 case IK_LLVM_IR: return "ir"; 392 case IK_ObjC: return "objective-c"; 393 case IK_ObjCXX: return "objective-c++"; 394 case IK_OpenCL: return "cl"; 395 case IK_CUDA: return "cuda"; 396 case IK_PreprocessedC: return "cpp-output"; 397 case IK_PreprocessedCXX: return "c++-cpp-output"; 398 case IK_PreprocessedObjC: return "objective-c-cpp-output"; 399 case IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 400 } 401 402 llvm_unreachable("Unexpected language kind!"); 403} 404 405static const char *getActionName(frontend::ActionKind Kind) { 406 switch (Kind) { 407 case frontend::PluginAction: 408 llvm_unreachable("Invalid kind!"); 409 410 case frontend::ASTDump: return "-ast-dump"; 411 case frontend::ASTDumpXML: return "-ast-dump-xml"; 412 case frontend::ASTPrint: return "-ast-print"; 413 case frontend::ASTView: return "-ast-view"; 414 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 415 case frontend::DumpTokens: return "-dump-tokens"; 416 case frontend::EmitAssembly: return "-S"; 417 case frontend::EmitBC: return "-emit-llvm-bc"; 418 case frontend::EmitHTML: return "-emit-html"; 419 case frontend::EmitLLVM: return "-emit-llvm"; 420 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 421 case frontend::EmitCodeGenOnly: return "-emit-codegen-only"; 422 case frontend::EmitObj: return "-emit-obj"; 423 case frontend::FixIt: return "-fixit"; 424 case frontend::GenerateModule: return "-emit-module"; 425 case frontend::GeneratePCH: return "-emit-pch"; 426 case frontend::GeneratePTH: return "-emit-pth"; 427 case frontend::InitOnly: return "-init-only"; 428 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 429 case frontend::PrintDeclContext: return "-print-decl-contexts"; 430 case frontend::PrintPreamble: return "-print-preamble"; 431 case frontend::PrintPreprocessedInput: return "-E"; 432 case frontend::PubnamesDump: return "-pubnames-dump"; 433 case frontend::RewriteMacros: return "-rewrite-macros"; 434 case frontend::RewriteObjC: return "-rewrite-objc"; 435 case frontend::RewriteTest: return "-rewrite-test"; 436 case frontend::RunAnalysis: return "-analyze"; 437 case frontend::MigrateSource: return "-migrate"; 438 case frontend::RunPreprocessorOnly: return "-Eonly"; 439 } 440 441 llvm_unreachable("Unexpected language kind!"); 442} 443 444static void FileSystemOptsToArgs(const FileSystemOptions &Opts, ToArgsList &Res){ 445 if (!Opts.WorkingDir.empty()) 446 Res.push_back("-working-directory", Opts.WorkingDir); 447} 448 449static void FrontendOptsToArgs(const FrontendOptions &Opts, ToArgsList &Res) { 450 if (Opts.DisableFree) 451 Res.push_back("-disable-free"); 452 if (Opts.RelocatablePCH) 453 Res.push_back("-relocatable-pch"); 454 if (Opts.ShowHelp) 455 Res.push_back("-help"); 456 if (Opts.ShowMacrosInCodeCompletion) 457 Res.push_back("-code-completion-macros"); 458 if (Opts.ShowCodePatternsInCodeCompletion) 459 Res.push_back("-code-completion-patterns"); 460 if (!Opts.ShowGlobalSymbolsInCodeCompletion) 461 Res.push_back("-no-code-completion-globals"); 462 if (Opts.ShowStats) 463 Res.push_back("-print-stats"); 464 if (Opts.ShowTimers) 465 Res.push_back("-ftime-report"); 466 if (Opts.ShowVersion) 467 Res.push_back("-version"); 468 if (Opts.FixWhatYouCan) 469 Res.push_back("-fix-what-you-can"); 470 if (Opts.FixOnlyWarnings) 471 Res.push_back("-fix-only-warnings"); 472 if (Opts.FixAndRecompile) 473 Res.push_back("-fixit-recompile"); 474 if (Opts.FixToTemporaries) 475 Res.push_back("-fixit-to-temporary"); 476 switch (Opts.ARCMTAction) { 477 case FrontendOptions::ARCMT_None: 478 break; 479 case FrontendOptions::ARCMT_Check: 480 Res.push_back("-arcmt-check"); 481 break; 482 case FrontendOptions::ARCMT_Modify: 483 Res.push_back("-arcmt-modify"); 484 break; 485 case FrontendOptions::ARCMT_Migrate: 486 Res.push_back("-arcmt-migrate"); 487 break; 488 } 489 if (!Opts.MTMigrateDir.empty()) 490 Res.push_back("-mt-migrate-directory", Opts.MTMigrateDir); 491 if (!Opts.ARCMTMigrateReportOut.empty()) 492 Res.push_back("-arcmt-migrate-report-output", Opts.ARCMTMigrateReportOut); 493 if (Opts.ARCMTMigrateEmitARCErrors) 494 Res.push_back("-arcmt-migrate-emit-errors"); 495 496 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals) 497 Res.push_back("-objcmt-migrate-literals"); 498 if (Opts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting) 499 Res.push_back("-objcmt-migrate-subscripting"); 500 501 bool NeedLang = false; 502 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 503 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].File) != 504 Opts.Inputs[i].Kind) 505 NeedLang = true; 506 if (NeedLang) 507 Res.push_back("-x", getInputKindName(Opts.Inputs[0].Kind)); 508 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 509 assert((!NeedLang || Opts.Inputs[i].Kind == Opts.Inputs[0].Kind) && 510 "Unable to represent this input vector!"); 511 Res.push_back(Opts.Inputs[i].File); 512 } 513 514 if (!Opts.OutputFile.empty()) 515 Res.push_back("-o", Opts.OutputFile); 516 if (!Opts.CodeCompletionAt.FileName.empty()) 517 Res.push_back("-code-completion-at", 518 Opts.CodeCompletionAt.FileName + ":" + 519 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 520 llvm::utostr(Opts.CodeCompletionAt.Column)); 521 if (Opts.ProgramAction != frontend::PluginAction) 522 Res.push_back(getActionName(Opts.ProgramAction)); 523 if (!Opts.ActionName.empty()) { 524 Res.push_back("-plugin", Opts.ActionName); 525 for(unsigned i = 0, e = Opts.PluginArgs.size(); i != e; ++i) 526 Res.push_back("-plugin-arg-" + Opts.ActionName, Opts.PluginArgs[i]); 527 } 528 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) 529 Res.push_back("-load", Opts.Plugins[i]); 530 for (unsigned i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 531 Res.push_back("-add-plugin", Opts.AddPluginActions[i]); 532 for(unsigned ai = 0, ae = Opts.AddPluginArgs.size(); ai != ae; ++ai) 533 Res.push_back("-plugin-arg-" + Opts.AddPluginActions[i], 534 Opts.AddPluginArgs[i][ai]); 535 } 536 for (unsigned i = 0, e = Opts.ASTMergeFiles.size(); i != e; ++i) 537 Res.push_back("-ast-merge", Opts.ASTMergeFiles[i]); 538 for (unsigned i = 0, e = Opts.LLVMArgs.size(); i != e; ++i) 539 Res.push_back("-mllvm", Opts.LLVMArgs[i]); 540 if (!Opts.OverrideRecordLayoutsFile.empty()) 541 Res.push_back("-foverride-record-layout=" + Opts.OverrideRecordLayoutsFile); 542} 543 544static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 545 ToArgsList &Res) { 546 if (Opts.Sysroot != "/") { 547 Res.push_back("-isysroot"); 548 Res.push_back(Opts.Sysroot); 549 } 550 551 /// User specified include entries. 552 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 553 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 554 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 555 llvm::report_fatal_error("Invalid option set!"); 556 if (E.IsUserSupplied) { 557 switch (E.Group) { 558 case frontend::After: 559 Res.push_back("-idirafter"); 560 break; 561 562 case frontend::Quoted: 563 Res.push_back("-iquote"); 564 break; 565 566 case frontend::System: 567 Res.push_back("-isystem"); 568 break; 569 570 case frontend::IndexHeaderMap: 571 Res.push_back("-index-header-map"); 572 Res.push_back(E.IsFramework? "-F" : "-I"); 573 break; 574 575 case frontend::CSystem: 576 Res.push_back("-c-isystem"); 577 break; 578 579 case frontend::CXXSystem: 580 Res.push_back("-cxx-isystem"); 581 break; 582 583 case frontend::ObjCSystem: 584 Res.push_back("-objc-isystem"); 585 break; 586 587 case frontend::ObjCXXSystem: 588 Res.push_back("-objcxx-isystem"); 589 break; 590 591 case frontend::Angled: 592 Res.push_back(E.IsFramework ? "-F" : "-I"); 593 break; 594 } 595 } else { 596 if (E.IsInternal) { 597 assert(E.Group == frontend::System && "Unexpected header search group"); 598 if (E.ImplicitExternC) 599 Res.push_back("-internal-externc-isystem"); 600 else 601 Res.push_back("-internal-isystem"); 602 } else { 603 if (E.Group != frontend::Angled && E.Group != frontend::System) 604 llvm::report_fatal_error("Invalid option set!"); 605 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 606 "-iwithprefix"); 607 } 608 } 609 Res.push_back(E.Path); 610 } 611 612 if (!Opts.ResourceDir.empty()) 613 Res.push_back("-resource-dir", Opts.ResourceDir); 614 if (!Opts.ModuleCachePath.empty()) 615 Res.push_back("-fmodule-cache-path", Opts.ModuleCachePath); 616 if (!Opts.UseStandardSystemIncludes) 617 Res.push_back("-nostdsysteminc"); 618 if (!Opts.UseStandardCXXIncludes) 619 Res.push_back("-nostdinc++"); 620 if (Opts.UseLibcxx) 621 Res.push_back("-stdlib=libc++"); 622 if (Opts.Verbose) 623 Res.push_back("-v"); 624} 625 626static void LangOptsToArgs(const LangOptions &Opts, ToArgsList &Res) { 627 LangOptions DefaultLangOpts; 628 629 // FIXME: Need to set -std to get all the implicit options. 630 631 // FIXME: We want to only pass options relative to the defaults, which 632 // requires constructing a target. :( 633 // 634 // It would be better to push the all target specific choices into the driver, 635 // so that everything below that was more uniform. 636 637 if (Opts.Trigraphs) 638 Res.push_back("-trigraphs"); 639 // Implicit based on the input kind: 640 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 641 // Implicit based on the input language standard: 642 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 643 if (Opts.DollarIdents) 644 Res.push_back("-fdollars-in-identifiers"); 645 if (Opts.GNUMode && !Opts.GNUKeywords) 646 Res.push_back("-fno-gnu-keywords"); 647 if (!Opts.GNUMode && Opts.GNUKeywords) 648 Res.push_back("-fgnu-keywords"); 649 if (Opts.MicrosoftExt) 650 Res.push_back("-fms-extensions"); 651 if (Opts.MicrosoftMode) 652 Res.push_back("-fms-compatibility"); 653 if (Opts.MSCVersion != 0) 654 Res.push_back("-fmsc-version=" + llvm::utostr(Opts.MSCVersion)); 655 if (Opts.Borland) 656 Res.push_back("-fborland-extensions"); 657 if (!Opts.ObjCNonFragileABI) 658 Res.push_back("-fobjc-fragile-abi"); 659 if (Opts.ObjCDefaultSynthProperties) 660 Res.push_back("-fobjc-default-synthesize-properties"); 661 // NoInline is implicit. 662 if (!Opts.CXXOperatorNames) 663 Res.push_back("-fno-operator-names"); 664 if (Opts.PascalStrings) 665 Res.push_back("-fpascal-strings"); 666 if (Opts.CatchUndefined) 667 Res.push_back("-fcatch-undefined-behavior"); 668 if (Opts.AddressSanitizer) 669 Res.push_back("-faddress-sanitizer"); 670 if (Opts.ThreadSanitizer) 671 Res.push_back("-fthread-sanitizer"); 672 if (Opts.WritableStrings) 673 Res.push_back("-fwritable-strings"); 674 if (Opts.ConstStrings) 675 Res.push_back("-fconst-strings"); 676 if (!Opts.LaxVectorConversions) 677 Res.push_back("-fno-lax-vector-conversions"); 678 if (Opts.AltiVec) 679 Res.push_back("-faltivec"); 680 if (Opts.Exceptions) 681 Res.push_back("-fexceptions"); 682 if (Opts.ObjCExceptions) 683 Res.push_back("-fobjc-exceptions"); 684 if (Opts.CXXExceptions) 685 Res.push_back("-fcxx-exceptions"); 686 if (Opts.SjLjExceptions) 687 Res.push_back("-fsjlj-exceptions"); 688 if (Opts.TraditionalCPP) 689 Res.push_back("-traditional-cpp"); 690 if (!Opts.RTTI) 691 Res.push_back("-fno-rtti"); 692 if (Opts.MSBitfields) 693 Res.push_back("-mms-bitfields"); 694 if (!Opts.NeXTRuntime) 695 Res.push_back("-fgnu-runtime"); 696 if (Opts.Freestanding) 697 Res.push_back("-ffreestanding"); 698 if (Opts.FormatExtensions) 699 Res.push_back("-fformat-extensions"); 700 if (Opts.NoBuiltin) 701 Res.push_back("-fno-builtin"); 702 if (!Opts.AssumeSaneOperatorNew) 703 Res.push_back("-fno-assume-sane-operator-new"); 704 if (!Opts.ThreadsafeStatics) 705 Res.push_back("-fno-threadsafe-statics"); 706 if (Opts.POSIXThreads) 707 Res.push_back("-pthread"); 708 if (Opts.Blocks) 709 Res.push_back("-fblocks"); 710 if (Opts.BlocksRuntimeOptional) 711 Res.push_back("-fblocks-runtime-optional"); 712 if (Opts.Modules) 713 Res.push_back("-fmodules"); 714 if (Opts.EmitAllDecls) 715 Res.push_back("-femit-all-decls"); 716 if (Opts.MathErrno) 717 Res.push_back("-fmath-errno"); 718 switch (Opts.getSignedOverflowBehavior()) { 719 case LangOptions::SOB_Undefined: break; 720 case LangOptions::SOB_Defined: Res.push_back("-fwrapv"); break; 721 case LangOptions::SOB_Trapping: 722 Res.push_back("-ftrapv"); 723 if (!Opts.OverflowHandler.empty()) 724 Res.push_back("-ftrapv-handler", Opts.OverflowHandler); 725 break; 726 } 727 if (Opts.HeinousExtensions) 728 Res.push_back("-fheinous-gnu-extensions"); 729 // Optimize is implicit. 730 // OptimizeSize is implicit. 731 if (Opts.FastMath) 732 Res.push_back("-ffast-math"); 733 if (Opts.Static) 734 Res.push_back("-static-define"); 735 if (Opts.DumpRecordLayoutsSimple) 736 Res.push_back("-fdump-record-layouts-simple"); 737 else if (Opts.DumpRecordLayouts) 738 Res.push_back("-fdump-record-layouts"); 739 if (Opts.DumpVTableLayouts) 740 Res.push_back("-fdump-vtable-layouts"); 741 if (Opts.NoBitFieldTypeAlign) 742 Res.push_back("-fno-bitfield-type-alignment"); 743 if (Opts.PICLevel) 744 Res.push_back("-pic-level", llvm::utostr(Opts.PICLevel)); 745 if (Opts.PIELevel) 746 Res.push_back("-pie-level", llvm::utostr(Opts.PIELevel)); 747 if (Opts.ObjCGCBitmapPrint) 748 Res.push_back("-print-ivar-layout"); 749 if (Opts.NoConstantCFStrings) 750 Res.push_back("-fno-constant-cfstrings"); 751 if (!Opts.AccessControl) 752 Res.push_back("-fno-access-control"); 753 if (!Opts.CharIsSigned) 754 Res.push_back("-fno-signed-char"); 755 if (Opts.ShortWChar) 756 Res.push_back("-fshort-wchar"); 757 if (!Opts.ElideConstructors) 758 Res.push_back("-fno-elide-constructors"); 759 if (Opts.getGC() != LangOptions::NonGC) { 760 if (Opts.getGC() == LangOptions::HybridGC) { 761 Res.push_back("-fobjc-gc"); 762 } else { 763 assert(Opts.getGC() == LangOptions::GCOnly && "Invalid GC mode!"); 764 Res.push_back("-fobjc-gc-only"); 765 } 766 } 767 if (Opts.ObjCAutoRefCount) 768 Res.push_back("-fobjc-arc"); 769 if (Opts.ObjCRuntimeHasWeak) 770 Res.push_back("-fobjc-runtime-has-weak"); 771 if (!Opts.ObjCInferRelatedResultType) 772 Res.push_back("-fno-objc-infer-related-result-type"); 773 774 if (Opts.AppleKext) 775 Res.push_back("-fapple-kext"); 776 777 if (Opts.getVisibilityMode() != DefaultVisibility) { 778 Res.push_back("-fvisibility"); 779 if (Opts.getVisibilityMode() == HiddenVisibility) { 780 Res.push_back("hidden"); 781 } else { 782 assert(Opts.getVisibilityMode() == ProtectedVisibility && 783 "Invalid visibility!"); 784 Res.push_back("protected"); 785 } 786 } 787 if (Opts.InlineVisibilityHidden) 788 Res.push_back("-fvisibility-inlines-hidden"); 789 790 if (Opts.getStackProtector() != 0) 791 Res.push_back("-stack-protector", llvm::utostr(Opts.getStackProtector())); 792 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) 793 Res.push_back("-ftemplate-depth", llvm::utostr(Opts.InstantiationDepth)); 794 if (Opts.ConstexprCallDepth != DefaultLangOpts.ConstexprCallDepth) 795 Res.push_back("-fconstexpr-depth", llvm::utostr(Opts.ConstexprCallDepth)); 796 if (!Opts.ObjCConstantStringClass.empty()) 797 Res.push_back("-fconstant-string-class", Opts.ObjCConstantStringClass); 798 if (Opts.FakeAddressSpaceMap) 799 Res.push_back("-ffake-address-space-map"); 800 if (Opts.ParseUnknownAnytype) 801 Res.push_back("-funknown-anytype"); 802 if (Opts.DebuggerSupport) 803 Res.push_back("-fdebugger-support"); 804 if (Opts.DebuggerCastResultToId) 805 Res.push_back("-fdebugger-cast-result-to-id"); 806 if (Opts.DebuggerObjCLiteral) 807 Res.push_back("-fdebugger-objc-literal"); 808 if (Opts.DelayedTemplateParsing) 809 Res.push_back("-fdelayed-template-parsing"); 810 if (Opts.Deprecated) 811 Res.push_back("-fdeprecated-macro"); 812 if (Opts.ApplePragmaPack) 813 Res.push_back("-fapple-pragma-pack"); 814 if (!Opts.CurrentModule.empty()) 815 Res.push_back("-fmodule-name=" + Opts.CurrentModule); 816} 817 818static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 819 ToArgsList &Res) { 820 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 821 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 822 Opts.Macros[i].first); 823 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 824 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 825 Res.push_back("-include", Opts.Includes[i]); 826 } 827 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) 828 Res.push_back("-imacros", Opts.MacroIncludes[i]); 829 if (!Opts.UsePredefines) 830 Res.push_back("-undef"); 831 if (Opts.DetailedRecord) 832 Res.push_back("-detailed-preprocessing-record"); 833 if (!Opts.ImplicitPCHInclude.empty()) 834 Res.push_back("-include-pch", Opts.ImplicitPCHInclude); 835 if (!Opts.ImplicitPTHInclude.empty()) 836 Res.push_back("-include-pth", Opts.ImplicitPTHInclude); 837 if (!Opts.TokenCache.empty()) { 838 if (Opts.ImplicitPTHInclude.empty()) 839 Res.push_back("-token-cache", Opts.TokenCache); 840 else 841 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 842 "Unsupported option combination!"); 843 } 844 for (unsigned i = 0, e = Opts.ChainedIncludes.size(); i != e; ++i) 845 Res.push_back("-chain-include", Opts.ChainedIncludes[i]); 846 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 847 Res.push_back("-remap-file", Opts.RemappedFiles[i].first + ";" + 848 Opts.RemappedFiles[i].second); 849 } 850} 851 852static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 853 ToArgsList &Res) { 854 if (!Opts.ShowCPP && !Opts.ShowMacros) 855 llvm::report_fatal_error("Invalid option combination!"); 856 857 if (Opts.ShowCPP && Opts.ShowMacros) 858 Res.push_back("-dD"); 859 else if (!Opts.ShowCPP && Opts.ShowMacros) 860 Res.push_back("-dM"); 861 862 if (!Opts.ShowLineMarkers) 863 Res.push_back("-P"); 864 if (Opts.ShowComments) 865 Res.push_back("-C"); 866 if (Opts.ShowMacroComments) 867 Res.push_back("-CC"); 868} 869 870static void TargetOptsToArgs(const TargetOptions &Opts, 871 ToArgsList &Res) { 872 Res.push_back("-triple"); 873 Res.push_back(Opts.Triple); 874 if (!Opts.CPU.empty()) 875 Res.push_back("-target-cpu", Opts.CPU); 876 if (!Opts.ABI.empty()) 877 Res.push_back("-target-abi", Opts.ABI); 878 if (!Opts.LinkerVersion.empty()) 879 Res.push_back("-target-linker-version", Opts.LinkerVersion); 880 if (!Opts.CXXABI.empty()) 881 Res.push_back("-cxx-abi", Opts.CXXABI); 882 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) 883 Res.push_back("-target-feature", Opts.Features[i]); 884} 885 886void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 887 ToArgsList List(Res); 888 AnalyzerOptsToArgs(getAnalyzerOpts(), List); 889 CodeGenOptsToArgs(getCodeGenOpts(), List); 890 DependencyOutputOptsToArgs(getDependencyOutputOpts(), List); 891 DiagnosticOptsToArgs(getDiagnosticOpts(), List); 892 FileSystemOptsToArgs(getFileSystemOpts(), List); 893 FrontendOptsToArgs(getFrontendOpts(), List); 894 HeaderSearchOptsToArgs(getHeaderSearchOpts(), List); 895 LangOptsToArgs(*getLangOpts(), List); 896 PreprocessorOptsToArgs(getPreprocessorOpts(), List); 897 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), List); 898 TargetOptsToArgs(getTargetOpts(), List); 899} 900 901//===----------------------------------------------------------------------===// 902// Deserialization (to args) 903//===----------------------------------------------------------------------===// 904 905using namespace clang::driver; 906using namespace clang::driver::cc1options; 907 908// 909 910static unsigned getOptimizationLevel(ArgList &Args, InputKind IK, 911 DiagnosticsEngine &Diags) { 912 unsigned DefaultOpt = 0; 913 if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable)) 914 DefaultOpt = 2; 915 // -Os/-Oz implies -O2 916 return (Args.hasArg(OPT_Os) || Args.hasArg (OPT_Oz)) ? 2 : 917 Args.getLastArgIntValue(OPT_O, DefaultOpt, Diags); 918} 919 920static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 921 DiagnosticsEngine &Diags) { 922 using namespace cc1options; 923 bool Success = true; 924 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 925 StringRef Name = A->getValue(Args); 926 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 927#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 928 .Case(CMDFLAG, NAME##Model) 929#include "clang/Frontend/Analyses.def" 930 .Default(NumStores); 931 if (Value == NumStores) { 932 Diags.Report(diag::err_drv_invalid_value) 933 << A->getAsString(Args) << Name; 934 Success = false; 935 } else { 936 Opts.AnalysisStoreOpt = Value; 937 } 938 } 939 940 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 941 StringRef Name = A->getValue(Args); 942 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 943#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 944 .Case(CMDFLAG, NAME##Model) 945#include "clang/Frontend/Analyses.def" 946 .Default(NumConstraints); 947 if (Value == NumConstraints) { 948 Diags.Report(diag::err_drv_invalid_value) 949 << A->getAsString(Args) << Name; 950 Success = false; 951 } else { 952 Opts.AnalysisConstraintsOpt = Value; 953 } 954 } 955 956 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 957 StringRef Name = A->getValue(Args); 958 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 959#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 960 .Case(CMDFLAG, PD_##NAME) 961#include "clang/Frontend/Analyses.def" 962 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 963 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) { 964 Diags.Report(diag::err_drv_invalid_value) 965 << A->getAsString(Args) << Name; 966 Success = false; 967 } else { 968 Opts.AnalysisDiagOpt = Value; 969 } 970 } 971 972 if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) { 973 StringRef Name = A->getValue(Args); 974 AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name) 975#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \ 976 .Case(CMDFLAG, NAME) 977#include "clang/Frontend/Analyses.def" 978 .Default(NumPurgeModes); 979 if (Value == NumPurgeModes) { 980 Diags.Report(diag::err_drv_invalid_value) 981 << A->getAsString(Args) << Name; 982 Success = false; 983 } else { 984 Opts.AnalysisPurgeOpt = Value; 985 } 986 } 987 988 if (Arg *A = Args.getLastArg(OPT_analyzer_ipa)) { 989 StringRef Name = A->getValue(Args); 990 AnalysisIPAMode Value = llvm::StringSwitch<AnalysisIPAMode>(Name) 991#define ANALYSIS_IPA(NAME, CMDFLAG, DESC) \ 992 .Case(CMDFLAG, NAME) 993#include "clang/Frontend/Analyses.def" 994 .Default(NumIPAModes); 995 if (Value == NumIPAModes) { 996 Diags.Report(diag::err_drv_invalid_value) 997 << A->getAsString(Args) << Name; 998 Success = false; 999 } else { 1000 Opts.IPAMode = Value; 1001 } 1002 } 1003 1004 if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) { 1005 StringRef Name = A->getValue(Args); 1006 AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name) 1007#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \ 1008 .Case(CMDFLAG, NAME) 1009#include "clang/Frontend/Analyses.def" 1010 .Default(NumInliningModes); 1011 if (Value == NumInliningModes) { 1012 Diags.Report(diag::err_drv_invalid_value) 1013 << A->getAsString(Args) << Name; 1014 Success = false; 1015 } else { 1016 Opts.InliningMode = Value; 1017 } 1018 } 1019 1020 Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help); 1021 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 1022 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 1023 Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted); 1024 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 1025 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 1026 Opts.AnalyzeNestedBlocks = 1027 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 1028 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 1029 Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function); 1030 Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG); 1031 Opts.CFGAddImplicitDtors = Args.hasArg(OPT_analysis_CFGAddImplicitDtors); 1032 Opts.CFGAddInitializers = Args.hasArg(OPT_analysis_CFGAddInitializers); 1033 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 1034 Opts.MaxNodes = Args.getLastArgIntValue(OPT_analyzer_max_nodes, 150000,Diags); 1035 Opts.MaxLoop = Args.getLastArgIntValue(OPT_analyzer_max_loop, 4, Diags); 1036 Opts.EagerlyTrimEGraph = !Args.hasArg(OPT_analyzer_no_eagerly_trim_egraph); 1037 Opts.PrintStats = Args.hasArg(OPT_analyzer_stats); 1038 Opts.InlineMaxStackDepth = 1039 Args.getLastArgIntValue(OPT_analyzer_inline_max_stack_depth, 1040 Opts.InlineMaxStackDepth, Diags); 1041 Opts.InlineMaxFunctionSize = 1042 Args.getLastArgIntValue(OPT_analyzer_inline_max_function_size, 1043 Opts.InlineMaxFunctionSize, Diags); 1044 1045 Opts.CheckersControlList.clear(); 1046 for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker, 1047 OPT_analyzer_disable_checker), 1048 ie = Args.filtered_end(); it != ie; ++it) { 1049 const Arg *A = *it; 1050 A->claim(); 1051 bool enable = (A->getOption().getID() == OPT_analyzer_checker); 1052 // We can have a list of comma separated checker names, e.g: 1053 // '-analyzer-checker=cocoa,unix' 1054 StringRef checkerList = A->getValue(Args); 1055 SmallVector<StringRef, 4> checkers; 1056 checkerList.split(checkers, ","); 1057 for (unsigned i = 0, e = checkers.size(); i != e; ++i) 1058 Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable)); 1059 } 1060 1061 return Success; 1062} 1063 1064static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) { 1065 Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error); 1066 Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal); 1067 return true; 1068} 1069 1070static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, 1071 DiagnosticsEngine &Diags) { 1072 using namespace cc1options; 1073 bool Success = true; 1074 1075 unsigned OptLevel = getOptimizationLevel(Args, IK, Diags); 1076 if (OptLevel > 3) { 1077 Diags.Report(diag::err_drv_invalid_value) 1078 << Args.getLastArg(OPT_O)->getAsString(Args) << OptLevel; 1079 OptLevel = 3; 1080 Success = false; 1081 } 1082 Opts.OptimizationLevel = OptLevel; 1083 1084 // We must always run at least the always inlining pass. 1085 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 1086 : CodeGenOptions::OnlyAlwaysInlining; 1087 // -fno-inline-functions overrides OptimizationLevel > 1. 1088 Opts.NoInline = Args.hasArg(OPT_fno_inline); 1089 Opts.Inlining = Args.hasArg(OPT_fno_inline_functions) ? 1090 CodeGenOptions::OnlyAlwaysInlining : Opts.Inlining; 1091 1092 Opts.DebugInfo = Args.hasArg(OPT_g); 1093 Opts.LimitDebugInfo = !Args.hasArg(OPT_fno_limit_debug_info) 1094 || Args.hasArg(OPT_flimit_debug_info); 1095 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 1096 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 1097 Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables); 1098 Opts.UseRegisterSizedBitfieldAccess = Args.hasArg( 1099 OPT_fuse_register_sized_bitfield_access); 1100 Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); 1101 Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); 1102 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 1103 Opts.NoCommon = Args.hasArg(OPT_fno_common); 1104 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 1105 Opts.OptimizeSize = Args.hasArg(OPT_Os); 1106 Opts.OptimizeSize = Args.hasArg(OPT_Oz) ? 2 : Opts.OptimizeSize; 1107 Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) || 1108 Args.hasArg(OPT_ffreestanding)); 1109 Opts.UnrollLoops = Args.hasArg(OPT_funroll_loops) || 1110 (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 1111 1112 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 1113 Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions); 1114 Opts.ObjCRuntimeHasARC = Args.hasArg(OPT_fobjc_runtime_has_arc); 1115 Opts.ObjCRuntimeHasTerminate = Args.hasArg(OPT_fobjc_runtime_has_terminate); 1116 Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device); 1117 Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit); 1118 Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases); 1119 Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model); 1120 Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass); 1121 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 1122 Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls); 1123 Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi); 1124 Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables); 1125 Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable); 1126 Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision); 1127 Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) || 1128 Args.hasArg(OPT_cl_finite_math_only)|| 1129 Args.hasArg(OPT_cl_fast_relaxed_math)); 1130 Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) || 1131 Args.hasArg(OPT_cl_finite_math_only)|| 1132 Args.hasArg(OPT_cl_fast_relaxed_math)); 1133 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 1134 Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option); 1135 Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags); 1136 Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge); 1137 Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack); 1138 Opts.RelaxAll = Args.hasArg(OPT_mrelax_all); 1139 Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer); 1140 Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels); 1141 Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm); 1142 Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm); 1143 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 1144 Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums); 1145 Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) || 1146 Args.hasArg(OPT_cl_unsafe_math_optimizations) || 1147 Args.hasArg(OPT_cl_fast_relaxed_math); 1148 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 1149 Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic"); 1150 Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ); 1151 1152 Opts.FunctionSections = Args.hasArg(OPT_ffunction_sections); 1153 Opts.DataSections = Args.hasArg(OPT_fdata_sections); 1154 1155 Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name); 1156 Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier); 1157 1158 Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions); 1159 Opts.InstrumentForProfiling = Args.hasArg(OPT_pg); 1160 Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data); 1161 Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes); 1162 Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file); 1163 Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir); 1164 Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file); 1165 Opts.StackRealignment = Args.hasArg(OPT_mstackrealign); 1166 if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) { 1167 StringRef Val = A->getValue(Args); 1168 Val.getAsInteger(10, Opts.StackAlignment); 1169 } 1170 1171 if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) { 1172 StringRef Name = A->getValue(Args); 1173 unsigned Method = llvm::StringSwitch<unsigned>(Name) 1174 .Case("legacy", CodeGenOptions::Legacy) 1175 .Case("non-legacy", CodeGenOptions::NonLegacy) 1176 .Case("mixed", CodeGenOptions::Mixed) 1177 .Default(~0U); 1178 if (Method == ~0U) { 1179 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 1180 Success = false; 1181 } else { 1182 Opts.ObjCDispatchMethod = Method; 1183 } 1184 } 1185 1186 return Success; 1187} 1188 1189static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 1190 ArgList &Args) { 1191 using namespace cc1options; 1192 Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file); 1193 Opts.Targets = Args.getAllArgValues(OPT_MT); 1194 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 1195 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 1196 Opts.ShowHeaderIncludes = Args.hasArg(OPT_H); 1197 Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file); 1198 Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG); 1199 Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot); 1200} 1201 1202bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 1203 DiagnosticsEngine *Diags) { 1204 using namespace cc1options; 1205 bool Success = true; 1206 1207 Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file); 1208 Opts.DiagnosticSerializationFile = 1209 Args.getLastArgValue(OPT_diagnostic_serialized_file); 1210 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 1211 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 1212 Opts.Pedantic = Args.hasArg(OPT_pedantic); 1213 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 1214 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 1215 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 1216 Opts.ShowColumn = Args.hasFlag(OPT_fshow_column, 1217 OPT_fno_show_column, 1218 /*Default=*/true); 1219 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 1220 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 1221 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 1222 1223 // Default behavior is to not to show note include stacks. 1224 Opts.ShowNoteIncludeStack = false; 1225 if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack, 1226 OPT_fno_diagnostics_show_note_include_stack)) 1227 if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack)) 1228 Opts.ShowNoteIncludeStack = true; 1229 1230 StringRef ShowOverloads = 1231 Args.getLastArgValue(OPT_fshow_overloads_EQ, "all"); 1232 if (ShowOverloads == "best") 1233 Opts.ShowOverloads = DiagnosticsEngine::Ovl_Best; 1234 else if (ShowOverloads == "all") 1235 Opts.ShowOverloads = DiagnosticsEngine::Ovl_All; 1236 else { 1237 Success = false; 1238 if (Diags) 1239 Diags->Report(diag::err_drv_invalid_value) 1240 << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args) 1241 << ShowOverloads; 1242 } 1243 1244 StringRef ShowCategory = 1245 Args.getLastArgValue(OPT_fdiagnostics_show_category, "none"); 1246 if (ShowCategory == "none") 1247 Opts.ShowCategories = 0; 1248 else if (ShowCategory == "id") 1249 Opts.ShowCategories = 1; 1250 else if (ShowCategory == "name") 1251 Opts.ShowCategories = 2; 1252 else { 1253 Success = false; 1254 if (Diags) 1255 Diags->Report(diag::err_drv_invalid_value) 1256 << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args) 1257 << ShowCategory; 1258 } 1259 1260 StringRef Format = 1261 Args.getLastArgValue(OPT_fdiagnostics_format, "clang"); 1262 if (Format == "clang") 1263 Opts.Format = DiagnosticOptions::Clang; 1264 else if (Format == "msvc") 1265 Opts.Format = DiagnosticOptions::Msvc; 1266 else if (Format == "vi") 1267 Opts.Format = DiagnosticOptions::Vi; 1268 else { 1269 Success = false; 1270 if (Diags) 1271 Diags->Report(diag::err_drv_invalid_value) 1272 << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args) 1273 << Format; 1274 } 1275 1276 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 1277 Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits); 1278 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 1279 Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags); 1280 Opts.MacroBacktraceLimit 1281 = Args.getLastArgIntValue(OPT_fmacro_backtrace_limit, 1282 DiagnosticOptions::DefaultMacroBacktraceLimit, Diags); 1283 Opts.TemplateBacktraceLimit 1284 = Args.getLastArgIntValue(OPT_ftemplate_backtrace_limit, 1285 DiagnosticOptions::DefaultTemplateBacktraceLimit, 1286 Diags); 1287 Opts.ConstexprBacktraceLimit 1288 = Args.getLastArgIntValue(OPT_fconstexpr_backtrace_limit, 1289 DiagnosticOptions::DefaultConstexprBacktraceLimit, 1290 Diags); 1291 Opts.TabStop = Args.getLastArgIntValue(OPT_ftabstop, 1292 DiagnosticOptions::DefaultTabStop, Diags); 1293 if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) { 1294 Opts.TabStop = DiagnosticOptions::DefaultTabStop; 1295 if (Diags) 1296 Diags->Report(diag::warn_ignoring_ftabstop_value) 1297 << Opts.TabStop << DiagnosticOptions::DefaultTabStop; 1298 } 1299 Opts.MessageLength = Args.getLastArgIntValue(OPT_fmessage_length, 0, Diags); 1300 Opts.DumpBuildInformation = Args.getLastArgValue(OPT_dump_build_information); 1301 1302 for (arg_iterator it = Args.filtered_begin(OPT_W), 1303 ie = Args.filtered_end(); it != ie; ++it) { 1304 StringRef V = (*it)->getValue(Args); 1305 // "-Wl," and such are not warnings options. 1306 if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,")) 1307 continue; 1308 1309 Opts.Warnings.push_back(V); 1310 } 1311 1312 return Success; 1313} 1314 1315static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) { 1316 Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory); 1317} 1318 1319static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, 1320 DiagnosticsEngine &Diags) { 1321 using namespace cc1options; 1322 Opts.ProgramAction = frontend::ParseSyntaxOnly; 1323 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 1324 switch (A->getOption().getID()) { 1325 default: 1326 llvm_unreachable("Invalid option in group!"); 1327 case OPT_ast_dump: 1328 Opts.ProgramAction = frontend::ASTDump; break; 1329 case OPT_ast_dump_xml: 1330 Opts.ProgramAction = frontend::ASTDumpXML; break; 1331 case OPT_ast_print: 1332 Opts.ProgramAction = frontend::ASTPrint; break; 1333 case OPT_ast_view: 1334 Opts.ProgramAction = frontend::ASTView; break; 1335 case OPT_dump_raw_tokens: 1336 Opts.ProgramAction = frontend::DumpRawTokens; break; 1337 case OPT_dump_tokens: 1338 Opts.ProgramAction = frontend::DumpTokens; break; 1339 case OPT_S: 1340 Opts.ProgramAction = frontend::EmitAssembly; break; 1341 case OPT_emit_llvm_bc: 1342 Opts.ProgramAction = frontend::EmitBC; break; 1343 case OPT_emit_html: 1344 Opts.ProgramAction = frontend::EmitHTML; break; 1345 case OPT_emit_llvm: 1346 Opts.ProgramAction = frontend::EmitLLVM; break; 1347 case OPT_emit_llvm_only: 1348 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 1349 case OPT_emit_codegen_only: 1350 Opts.ProgramAction = frontend::EmitCodeGenOnly; break; 1351 case OPT_emit_obj: 1352 Opts.ProgramAction = frontend::EmitObj; break; 1353 case OPT_fixit_EQ: 1354 Opts.FixItSuffix = A->getValue(Args); 1355 // fall-through! 1356 case OPT_fixit: 1357 Opts.ProgramAction = frontend::FixIt; break; 1358 case OPT_emit_module: 1359 Opts.ProgramAction = frontend::GenerateModule; break; 1360 case OPT_emit_pch: 1361 Opts.ProgramAction = frontend::GeneratePCH; break; 1362 case OPT_emit_pth: 1363 Opts.ProgramAction = frontend::GeneratePTH; break; 1364 case OPT_init_only: 1365 Opts.ProgramAction = frontend::InitOnly; break; 1366 case OPT_fsyntax_only: 1367 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 1368 case OPT_print_decl_contexts: 1369 Opts.ProgramAction = frontend::PrintDeclContext; break; 1370 case OPT_print_preamble: 1371 Opts.ProgramAction = frontend::PrintPreamble; break; 1372 case OPT_E: 1373 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 1374 case OPT_pubnames_dump: 1375 Opts.ProgramAction = frontend::PubnamesDump; break; 1376 case OPT_rewrite_macros: 1377 Opts.ProgramAction = frontend::RewriteMacros; break; 1378 case OPT_rewrite_objc: 1379 Opts.ProgramAction = frontend::RewriteObjC; break; 1380 case OPT_rewrite_test: 1381 Opts.ProgramAction = frontend::RewriteTest; break; 1382 case OPT_analyze: 1383 Opts.ProgramAction = frontend::RunAnalysis; break; 1384 case OPT_migrate: 1385 Opts.ProgramAction = frontend::MigrateSource; break; 1386 case OPT_Eonly: 1387 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 1388 } 1389 } 1390 1391 if (const Arg* A = Args.getLastArg(OPT_plugin)) { 1392 Opts.Plugins.push_back(A->getValue(Args,0)); 1393 Opts.ProgramAction = frontend::PluginAction; 1394 Opts.ActionName = A->getValue(Args); 1395 1396 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1397 end = Args.filtered_end(); it != end; ++it) { 1398 if ((*it)->getValue(Args, 0) == Opts.ActionName) 1399 Opts.PluginArgs.push_back((*it)->getValue(Args, 1)); 1400 } 1401 } 1402 1403 Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin); 1404 Opts.AddPluginArgs.resize(Opts.AddPluginActions.size()); 1405 for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) { 1406 for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg), 1407 end = Args.filtered_end(); it != end; ++it) { 1408 if ((*it)->getValue(Args, 0) == Opts.AddPluginActions[i]) 1409 Opts.AddPluginArgs[i].push_back((*it)->getValue(Args, 1)); 1410 } 1411 } 1412 1413 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 1414 Opts.CodeCompletionAt = 1415 ParsedSourceLocation::FromString(A->getValue(Args)); 1416 if (Opts.CodeCompletionAt.FileName.empty()) 1417 Diags.Report(diag::err_drv_invalid_value) 1418 << A->getAsString(Args) << A->getValue(Args); 1419 } 1420 Opts.DisableFree = Args.hasArg(OPT_disable_free); 1421 1422 Opts.OutputFile = Args.getLastArgValue(OPT_o); 1423 Opts.Plugins = Args.getAllArgValues(OPT_load); 1424 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 1425 Opts.ShowHelp = Args.hasArg(OPT_help); 1426 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 1427 Opts.ShowCodePatternsInCodeCompletion 1428 = Args.hasArg(OPT_code_completion_patterns); 1429 Opts.ShowGlobalSymbolsInCodeCompletion 1430 = !Args.hasArg(OPT_no_code_completion_globals); 1431 Opts.ShowStats = Args.hasArg(OPT_print_stats); 1432 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 1433 Opts.ShowVersion = Args.hasArg(OPT_version); 1434 Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); 1435 Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); 1436 Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can); 1437 Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings); 1438 Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile); 1439 Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp); 1440 Opts.OverrideRecordLayoutsFile 1441 = Args.getLastArgValue(OPT_foverride_record_layout_EQ); 1442 if (const Arg *A = Args.getLastArg(OPT_arcmt_check, 1443 OPT_arcmt_modify, 1444 OPT_arcmt_migrate)) { 1445 switch (A->getOption().getID()) { 1446 default: 1447 llvm_unreachable("missed a case"); 1448 case OPT_arcmt_check: 1449 Opts.ARCMTAction = FrontendOptions::ARCMT_Check; 1450 break; 1451 case OPT_arcmt_modify: 1452 Opts.ARCMTAction = FrontendOptions::ARCMT_Modify; 1453 break; 1454 case OPT_arcmt_migrate: 1455 Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate; 1456 break; 1457 } 1458 } 1459 Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory); 1460 Opts.ARCMTMigrateReportOut 1461 = Args.getLastArgValue(OPT_arcmt_migrate_report_output); 1462 Opts.ARCMTMigrateEmitARCErrors 1463 = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors); 1464 1465 if (Args.hasArg(OPT_objcmt_migrate_literals)) 1466 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals; 1467 if (Args.hasArg(OPT_objcmt_migrate_subscripting)) 1468 Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting; 1469 1470 if (Opts.ARCMTAction != FrontendOptions::ARCMT_None && 1471 Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) { 1472 Diags.Report(diag::err_drv_argument_not_allowed_with) 1473 << "ARC migration" << "ObjC migration"; 1474 } 1475 1476 InputKind DashX = IK_None; 1477 if (const Arg *A = Args.getLastArg(OPT_x)) { 1478 DashX = llvm::StringSwitch<InputKind>(A->getValue(Args)) 1479 .Case("c", IK_C) 1480 .Case("cl", IK_OpenCL) 1481 .Case("cuda", IK_CUDA) 1482 .Case("c++", IK_CXX) 1483 .Case("objective-c", IK_ObjC) 1484 .Case("objective-c++", IK_ObjCXX) 1485 .Case("cpp-output", IK_PreprocessedC) 1486 .Case("assembler-with-cpp", IK_Asm) 1487 .Case("c++-cpp-output", IK_PreprocessedCXX) 1488 .Case("objective-c-cpp-output", IK_PreprocessedObjC) 1489 .Case("objc-cpp-output", IK_PreprocessedObjC) 1490 .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX) 1491 .Case("objc++-cpp-output", IK_PreprocessedObjCXX) 1492 .Case("c-header", IK_C) 1493 .Case("cl-header", IK_OpenCL) 1494 .Case("objective-c-header", IK_ObjC) 1495 .Case("c++-header", IK_CXX) 1496 .Case("objective-c++-header", IK_ObjCXX) 1497 .Case("ast", IK_AST) 1498 .Case("ir", IK_LLVM_IR) 1499 .Default(IK_None); 1500 if (DashX == IK_None) 1501 Diags.Report(diag::err_drv_invalid_value) 1502 << A->getAsString(Args) << A->getValue(Args); 1503 } 1504 1505 // '-' is the default input if none is given. 1506 std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT); 1507 Opts.Inputs.clear(); 1508 if (Inputs.empty()) 1509 Inputs.push_back("-"); 1510 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 1511 InputKind IK = DashX; 1512 if (IK == IK_None) { 1513 IK = FrontendOptions::getInputKindForExtension( 1514 StringRef(Inputs[i]).rsplit('.').second); 1515 // FIXME: Remove this hack. 1516 if (i == 0) 1517 DashX = IK; 1518 } 1519 Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK)); 1520 } 1521 1522 return DashX; 1523} 1524 1525std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 1526 void *MainAddr) { 1527 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 1528 1529 if (!P.isEmpty()) { 1530 P.eraseComponent(); // Remove /clang from foo/bin/clang 1531 P.eraseComponent(); // Remove /bin from foo/bin 1532 1533 // Get foo/lib/clang/<version>/include 1534 P.appendComponent("lib"); 1535 P.appendComponent("clang"); 1536 P.appendComponent(CLANG_VERSION_STRING); 1537 } 1538 1539 return P.str(); 1540} 1541 1542static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 1543 using namespace cc1options; 1544 Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/"); 1545 Opts.Verbose = Args.hasArg(OPT_v); 1546 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 1547 Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc); 1548 Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx); 1549 if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ)) 1550 Opts.UseLibcxx = (strcmp(A->getValue(Args), "libc++") == 0); 1551 Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir); 1552 Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path); 1553 Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash); 1554 1555 // Add -I..., -F..., and -index-header-map options in order. 1556 bool IsIndexHeaderMap = false; 1557 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F, 1558 OPT_index_header_map), 1559 ie = Args.filtered_end(); it != ie; ++it) { 1560 if ((*it)->getOption().matches(OPT_index_header_map)) { 1561 // -index-header-map applies to the next -I or -F. 1562 IsIndexHeaderMap = true; 1563 continue; 1564 } 1565 1566 frontend::IncludeDirGroup Group 1567 = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled; 1568 1569 Opts.AddPath((*it)->getValue(Args), Group, true, 1570 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), false); 1571 IsIndexHeaderMap = false; 1572 } 1573 1574 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 1575 StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 1576 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 1577 OPT_iwithprefixbefore), 1578 ie = Args.filtered_end(); it != ie; ++it) { 1579 const Arg *A = *it; 1580 if (A->getOption().matches(OPT_iprefix)) 1581 Prefix = A->getValue(Args); 1582 else if (A->getOption().matches(OPT_iwithprefix)) 1583 Opts.AddPath(Prefix.str() + A->getValue(Args), 1584 frontend::System, false, false, false); 1585 else 1586 Opts.AddPath(Prefix.str() + A->getValue(Args), 1587 frontend::Angled, false, false, false); 1588 } 1589 1590 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1591 ie = Args.filtered_end(); it != ie; ++it) 1592 Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, false); 1593 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1594 ie = Args.filtered_end(); it != ie; ++it) 1595 Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, false); 1596 for (arg_iterator it = Args.filtered_begin(OPT_isystem, 1597 OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it) 1598 Opts.AddPath((*it)->getValue(Args), frontend::System, true, false, 1599 !(*it)->getOption().matches(OPT_iwithsysroot)); 1600 for (arg_iterator it = Args.filtered_begin(OPT_iframework), 1601 ie = Args.filtered_end(); it != ie; ++it) 1602 Opts.AddPath((*it)->getValue(Args), frontend::System, true, true, 1603 true); 1604 1605 // Add the paths for the various language specific isystem flags. 1606 for (arg_iterator it = Args.filtered_begin(OPT_c_isystem), 1607 ie = Args.filtered_end(); it != ie; ++it) 1608 Opts.AddPath((*it)->getValue(Args), frontend::CSystem, true, false, true); 1609 for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem), 1610 ie = Args.filtered_end(); it != ie; ++it) 1611 Opts.AddPath((*it)->getValue(Args), frontend::CXXSystem, true, false, true); 1612 for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem), 1613 ie = Args.filtered_end(); it != ie; ++it) 1614 Opts.AddPath((*it)->getValue(Args), frontend::ObjCSystem, true, false,true); 1615 for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem), 1616 ie = Args.filtered_end(); it != ie; ++it) 1617 Opts.AddPath((*it)->getValue(Args), frontend::ObjCXXSystem, true, false, 1618 true); 1619 1620 // Add the internal paths from a driver that detects standard include paths. 1621 for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem, 1622 OPT_internal_externc_isystem), 1623 E = Args.filtered_end(); 1624 I != E; ++I) 1625 Opts.AddPath((*I)->getValue(Args), frontend::System, 1626 false, false, /*IgnoreSysRoot=*/true, /*IsInternal=*/true, 1627 (*I)->getOption().matches(OPT_internal_externc_isystem)); 1628} 1629 1630void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK, 1631 LangStandard::Kind LangStd) { 1632 // Set some properties which depend solely on the input kind; it would be nice 1633 // to move these to the language standard, and have the driver resolve the 1634 // input kind + language standard. 1635 if (IK == IK_Asm) { 1636 Opts.AsmPreprocessor = 1; 1637 } else if (IK == IK_ObjC || 1638 IK == IK_ObjCXX || 1639 IK == IK_PreprocessedObjC || 1640 IK == IK_PreprocessedObjCXX) { 1641 Opts.ObjC1 = Opts.ObjC2 = 1; 1642 } 1643 1644 if (LangStd == LangStandard::lang_unspecified) { 1645 // Based on the base language, pick one. 1646 switch (IK) { 1647 case IK_None: 1648 case IK_AST: 1649 case IK_LLVM_IR: 1650 llvm_unreachable("Invalid input kind!"); 1651 case IK_OpenCL: 1652 LangStd = LangStandard::lang_opencl; 1653 break; 1654 case IK_CUDA: 1655 LangStd = LangStandard::lang_cuda; 1656 break; 1657 case IK_Asm: 1658 case IK_C: 1659 case IK_PreprocessedC: 1660 case IK_ObjC: 1661 case IK_PreprocessedObjC: 1662 LangStd = LangStandard::lang_gnu99; 1663 break; 1664 case IK_CXX: 1665 case IK_PreprocessedCXX: 1666 case IK_ObjCXX: 1667 case IK_PreprocessedObjCXX: 1668 LangStd = LangStandard::lang_gnucxx98; 1669 break; 1670 } 1671 } 1672 1673 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1674 Opts.BCPLComment = Std.hasBCPLComments(); 1675 Opts.C99 = Std.isC99(); 1676 Opts.C11 = Std.isC11(); 1677 Opts.CPlusPlus = Std.isCPlusPlus(); 1678 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1679 Opts.Digraphs = Std.hasDigraphs(); 1680 Opts.GNUMode = Std.isGNUMode(); 1681 Opts.GNUInline = !Std.isC99(); 1682 Opts.HexFloats = Std.hasHexFloats(); 1683 Opts.ImplicitInt = Std.hasImplicitInt(); 1684 1685 // OpenCL has some additional defaults. 1686 if (LangStd == LangStandard::lang_opencl) { 1687 Opts.OpenCL = 1; 1688 Opts.AltiVec = 0; 1689 Opts.CXXOperatorNames = 1; 1690 Opts.LaxVectorConversions = 0; 1691 Opts.DefaultFPContract = 1; 1692 } 1693 1694 if (LangStd == LangStandard::lang_cuda) 1695 Opts.CUDA = 1; 1696 1697 // OpenCL and C++ both have bool, true, false keywords. 1698 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1699 1700 Opts.GNUKeywords = Opts.GNUMode; 1701 Opts.CXXOperatorNames = Opts.CPlusPlus; 1702 1703 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1704 // is specified, or -std is set to a conforming mode. 1705 Opts.Trigraphs = !Opts.GNUMode; 1706 1707 Opts.DollarIdents = !Opts.AsmPreprocessor; 1708} 1709 1710static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, 1711 DiagnosticsEngine &Diags) { 1712 // FIXME: Cleanup per-file based stuff. 1713 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1714 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1715 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1716#define LANGSTANDARD(id, name, desc, features) \ 1717 .Case(name, LangStandard::lang_##id) 1718#include "clang/Frontend/LangStandards.def" 1719 .Default(LangStandard::lang_unspecified); 1720 if (LangStd == LangStandard::lang_unspecified) 1721 Diags.Report(diag::err_drv_invalid_value) 1722 << A->getAsString(Args) << A->getValue(Args); 1723 else { 1724 // Valid standard, check to make sure language and standard are compatable. 1725 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1726 switch (IK) { 1727 case IK_C: 1728 case IK_ObjC: 1729 case IK_PreprocessedC: 1730 case IK_PreprocessedObjC: 1731 if (!(Std.isC89() || Std.isC99())) 1732 Diags.Report(diag::err_drv_argument_not_allowed_with) 1733 << A->getAsString(Args) << "C/ObjC"; 1734 break; 1735 case IK_CXX: 1736 case IK_ObjCXX: 1737 case IK_PreprocessedCXX: 1738 case IK_PreprocessedObjCXX: 1739 if (!Std.isCPlusPlus()) 1740 Diags.Report(diag::err_drv_argument_not_allowed_with) 1741 << A->getAsString(Args) << "C++/ObjC++"; 1742 break; 1743 case IK_OpenCL: 1744 if (!Std.isC99()) 1745 Diags.Report(diag::err_drv_argument_not_allowed_with) 1746 << A->getAsString(Args) << "OpenCL"; 1747 break; 1748 case IK_CUDA: 1749 if (!Std.isCPlusPlus()) 1750 Diags.Report(diag::err_drv_argument_not_allowed_with) 1751 << A->getAsString(Args) << "CUDA"; 1752 break; 1753 default: 1754 break; 1755 } 1756 } 1757 } 1758 1759 if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) { 1760 if (strcmp(A->getValue(Args), "CL1.1") != 0) { 1761 Diags.Report(diag::err_drv_invalid_value) 1762 << A->getAsString(Args) << A->getValue(Args); 1763 } 1764 } 1765 1766 CompilerInvocation::setLangDefaults(Opts, IK, LangStd); 1767 1768 // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension 1769 // keywords. This behavior is provided by GCC's poorly named '-fasm' flag, 1770 // while a subset (the non-C++ GNU keywords) is provided by GCC's 1771 // '-fgnu-keywords'. Clang conflates the two for simplicity under the single 1772 // name, as it doesn't seem a useful distinction. 1773 Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords, 1774 Opts.GNUKeywords); 1775 1776 if (Args.hasArg(OPT_fno_operator_names)) 1777 Opts.CXXOperatorNames = 0; 1778 1779 if (Opts.ObjC1) { 1780 if (Args.hasArg(OPT_fobjc_gc_only)) 1781 Opts.setGC(LangOptions::GCOnly); 1782 else if (Args.hasArg(OPT_fobjc_gc)) 1783 Opts.setGC(LangOptions::HybridGC); 1784 else if (Args.hasArg(OPT_fobjc_arc)) { 1785 Opts.ObjCAutoRefCount = 1; 1786 if (Args.hasArg(OPT_fobjc_fragile_abi)) 1787 Diags.Report(diag::err_arc_nonfragile_abi); 1788 } 1789 1790 if (Args.hasArg(OPT_fobjc_runtime_has_weak)) 1791 Opts.ObjCRuntimeHasWeak = 1; 1792 1793 if (Args.hasArg(OPT_fno_objc_infer_related_result_type)) 1794 Opts.ObjCInferRelatedResultType = 0; 1795 } 1796 1797 if (Args.hasArg(OPT_fgnu89_inline)) 1798 Opts.GNUInline = 1; 1799 1800 if (Args.hasArg(OPT_fapple_kext)) { 1801 if (!Opts.CPlusPlus) 1802 Diags.Report(diag::warn_c_kext); 1803 else 1804 Opts.AppleKext = 1; 1805 } 1806 1807 if (Args.hasArg(OPT_print_ivar_layout)) 1808 Opts.ObjCGCBitmapPrint = 1; 1809 if (Args.hasArg(OPT_fno_constant_cfstrings)) 1810 Opts.NoConstantCFStrings = 1; 1811 1812 if (Args.hasArg(OPT_faltivec)) 1813 Opts.AltiVec = 1; 1814 1815 if (Args.hasArg(OPT_pthread)) 1816 Opts.POSIXThreads = 1; 1817 1818 if (Args.hasArg(OPT_fdelayed_template_parsing)) 1819 Opts.DelayedTemplateParsing = 1; 1820 1821 StringRef Vis = Args.getLastArgValue(OPT_fvisibility, "default"); 1822 if (Vis == "default") 1823 Opts.setVisibilityMode(DefaultVisibility); 1824 else if (Vis == "hidden") 1825 Opts.setVisibilityMode(HiddenVisibility); 1826 else if (Vis == "protected") 1827 // FIXME: diagnose if target does not support protected visibility 1828 Opts.setVisibilityMode(ProtectedVisibility); 1829 else 1830 Diags.Report(diag::err_drv_invalid_value) 1831 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1832 1833 if (Args.hasArg(OPT_fvisibility_inlines_hidden)) 1834 Opts.InlineVisibilityHidden = 1; 1835 1836 if (Args.hasArg(OPT_ftrapv)) { 1837 Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping); 1838 // Set the handler, if one is specified. 1839 Opts.OverflowHandler = 1840 Args.getLastArgValue(OPT_ftrapv_handler); 1841 } 1842 else if (Args.hasArg(OPT_fwrapv)) 1843 Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined); 1844 1845 if (Args.hasArg(OPT_trigraphs)) 1846 Opts.Trigraphs = 1; 1847 1848 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1849 OPT_fno_dollars_in_identifiers, 1850 Opts.DollarIdents); 1851 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1852 Opts.MicrosoftExt 1853 = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility); 1854 Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility); 1855 Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags); 1856 Opts.Borland = Args.hasArg(OPT_fborland_extensions); 1857 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1858 Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings, 1859 Opts.ConstStrings); 1860 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1861 Opts.LaxVectorConversions = 0; 1862 if (Args.hasArg(OPT_fno_threadsafe_statics)) 1863 Opts.ThreadsafeStatics = 0; 1864 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1865 Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions); 1866 Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions); 1867 Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions); 1868 Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp); 1869 1870 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1871 Opts.Blocks = Args.hasArg(OPT_fblocks); 1872 Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional); 1873 Opts.Modules = Args.hasArg(OPT_fmodules); 1874 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1875 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1876 Opts.ShortEnums = Args.hasArg(OPT_fshort_enums); 1877 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1878 Opts.FormatExtensions = Args.hasArg(OPT_fformat_extensions); 1879 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1880 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1881 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1882 Opts.AccessControl = !Args.hasArg(OPT_fno_access_control); 1883 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1884 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1885 Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, 1886 Diags); 1887 Opts.ConstexprCallDepth = Args.getLastArgIntValue(OPT_fconstexpr_depth, 512, 1888 Diags); 1889 Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing); 1890 Opts.NumLargeByValueCopy = Args.getLastArgIntValue(OPT_Wlarge_by_value_copy, 1891 0, Diags); 1892 Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields); 1893 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1894 Opts.ObjCConstantStringClass = 1895 Args.getLastArgValue(OPT_fconstant_string_class); 1896 Opts.ObjCNonFragileABI = !Args.hasArg(OPT_fobjc_fragile_abi); 1897 if (Opts.ObjCNonFragileABI) 1898 Opts.ObjCNonFragileABI2 = true; 1899 Opts.ObjCDefaultSynthProperties = 1900 Args.hasArg(OPT_fobjc_default_synthesize_properties); 1901 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1902 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1903 Opts.PackStruct = Args.getLastArgIntValue(OPT_fpack_struct, 0, Diags); 1904 Opts.PICLevel = Args.getLastArgIntValue(OPT_pic_level, 0, Diags); 1905 Opts.PIELevel = Args.getLastArgIntValue(OPT_pie_level, 0, Diags); 1906 Opts.Static = Args.hasArg(OPT_static_define); 1907 Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple); 1908 Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple 1909 || Args.hasArg(OPT_fdump_record_layouts); 1910 Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts); 1911 Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking); 1912 Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align); 1913 Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant); 1914 Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math); 1915 Opts.MRTD = Args.hasArg(OPT_mrtd); 1916 Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat); 1917 Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map); 1918 Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype); 1919 Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support); 1920 Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id); 1921 Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal); 1922 Opts.AddressSanitizer = Args.hasArg(OPT_faddress_sanitizer); 1923 Opts.ThreadSanitizer = Args.hasArg(OPT_fthread_sanitizer); 1924 Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack); 1925 Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name); 1926 1927 // Record whether the __DEPRECATED define was requested. 1928 Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro, 1929 OPT_fno_deprecated_macro, 1930 Opts.Deprecated); 1931 1932 // FIXME: Eliminate this dependency. 1933 unsigned Opt = getOptimizationLevel(Args, IK, Diags); 1934 Opts.Optimize = Opt != 0; 1935 Opts.OptimizeSize = Args.hasArg(OPT_Os) || Args.hasArg(OPT_Oz); 1936 1937 // This is the __NO_INLINE__ define, which just depends on things like the 1938 // optimization level and -fno-inline, not actually whether the backend has 1939 // inlining enabled. 1940 Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline); 1941 1942 Opts.FastMath = Args.hasArg(OPT_ffast_math); 1943 1944 unsigned SSP = Args.getLastArgIntValue(OPT_stack_protector, 0, Diags); 1945 switch (SSP) { 1946 default: 1947 Diags.Report(diag::err_drv_invalid_value) 1948 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1949 break; 1950 case 0: Opts.setStackProtector(LangOptions::SSPOff); break; 1951 case 1: Opts.setStackProtector(LangOptions::SSPOn); break; 1952 case 2: Opts.setStackProtector(LangOptions::SSPReq); break; 1953 } 1954} 1955 1956static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1957 FileManager &FileMgr, 1958 DiagnosticsEngine &Diags) { 1959 using namespace cc1options; 1960 Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch); 1961 Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth); 1962 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1963 Opts.TokenCache = A->getValue(Args); 1964 else 1965 Opts.TokenCache = Opts.ImplicitPTHInclude; 1966 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1967 Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record); 1968 Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch); 1969 1970 Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls); 1971 for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl), 1972 ie = Args.filtered_end(); it != ie; ++it) { 1973 const Arg *A = *it; 1974 Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue(Args)); 1975 } 1976 1977 if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) { 1978 StringRef Value(A->getValue(Args)); 1979 size_t Comma = Value.find(','); 1980 unsigned Bytes = 0; 1981 unsigned EndOfLine = 0; 1982 1983 if (Comma == StringRef::npos || 1984 Value.substr(0, Comma).getAsInteger(10, Bytes) || 1985 Value.substr(Comma + 1).getAsInteger(10, EndOfLine)) 1986 Diags.Report(diag::err_drv_preamble_format); 1987 else { 1988 Opts.PrecompiledPreambleBytes.first = Bytes; 1989 Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0); 1990 } 1991 } 1992 1993 // Add macros from the command line. 1994 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1995 ie = Args.filtered_end(); it != ie; ++it) { 1996 if ((*it)->getOption().matches(OPT_D)) 1997 Opts.addMacroDef((*it)->getValue(Args)); 1998 else 1999 Opts.addMacroUndef((*it)->getValue(Args)); 2000 } 2001 2002 Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros); 2003 2004 // Add the ordered list of -includes. 2005 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 2006 OPT_include_pth), 2007 ie = Args.filtered_end(); it != ie; ++it) { 2008 const Arg *A = *it; 2009 // PCH is handled specially, we need to extra the original include path. 2010 if (A->getOption().matches(OPT_include_pch)) { 2011 std::string OriginalFile = 2012 ASTReader::getOriginalSourceFile(A->getValue(Args), FileMgr, Diags); 2013 if (OriginalFile.empty()) 2014 continue; 2015 2016 Opts.Includes.push_back(OriginalFile); 2017 } else 2018 Opts.Includes.push_back(A->getValue(Args)); 2019 } 2020 2021 for (arg_iterator it = Args.filtered_begin(OPT_chain_include), 2022 ie = Args.filtered_end(); it != ie; ++it) { 2023 const Arg *A = *it; 2024 Opts.ChainedIncludes.push_back(A->getValue(Args)); 2025 } 2026 2027 // Include 'altivec.h' if -faltivec option present 2028 if (Args.hasArg(OPT_faltivec)) 2029 Opts.Includes.push_back("altivec.h"); 2030 2031 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 2032 ie = Args.filtered_end(); it != ie; ++it) { 2033 const Arg *A = *it; 2034 std::pair<StringRef,StringRef> Split = 2035 StringRef(A->getValue(Args)).split(';'); 2036 2037 if (Split.second.empty()) { 2038 Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args); 2039 continue; 2040 } 2041 2042 Opts.addRemappedFile(Split.first, Split.second); 2043 } 2044 2045 if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) { 2046 StringRef Name = A->getValue(Args); 2047 unsigned Library = llvm::StringSwitch<unsigned>(Name) 2048 .Case("libc++", ARCXX_libcxx) 2049 .Case("libstdc++", ARCXX_libstdcxx) 2050 .Case("none", ARCXX_nolib) 2051 .Default(~0U); 2052 if (Library == ~0U) 2053 Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name; 2054 else 2055 Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library; 2056 } 2057} 2058 2059static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 2060 ArgList &Args) { 2061 using namespace cc1options; 2062 Opts.ShowCPP = !Args.hasArg(OPT_dM); 2063 Opts.ShowComments = Args.hasArg(OPT_C); 2064 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 2065 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 2066 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 2067} 2068 2069static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 2070 using namespace cc1options; 2071 Opts.ABI = Args.getLastArgValue(OPT_target_abi); 2072 Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi); 2073 Opts.CPU = Args.getLastArgValue(OPT_target_cpu); 2074 Opts.Features = Args.getAllArgValues(OPT_target_feature); 2075 Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version); 2076 Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple)); 2077 2078 // Use the default target triple if unspecified. 2079 if (Opts.Triple.empty()) 2080 Opts.Triple = llvm::sys::getDefaultTargetTriple(); 2081} 2082 2083// 2084 2085bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 2086 const char *const *ArgBegin, 2087 const char *const *ArgEnd, 2088 DiagnosticsEngine &Diags) { 2089 bool Success = true; 2090 2091 // Parse the arguments. 2092 OwningPtr<OptTable> Opts(createCC1OptTable()); 2093 unsigned MissingArgIndex, MissingArgCount; 2094 OwningPtr<InputArgList> Args( 2095 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 2096 2097 // Check for missing argument error. 2098 if (MissingArgCount) { 2099 Diags.Report(diag::err_drv_missing_argument) 2100 << Args->getArgString(MissingArgIndex) << MissingArgCount; 2101 Success = false; 2102 } 2103 2104 // Issue errors on unknown arguments. 2105 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 2106 ie = Args->filtered_end(); it != ie; ++it) { 2107 Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args); 2108 Success = false; 2109 } 2110 2111 Success = ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags) && Success; 2112 Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success; 2113 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 2114 Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags) 2115 && Success; 2116 ParseFileSystemArgs(Res.getFileSystemOpts(), *Args); 2117 // FIXME: We shouldn't have to pass the DashX option around here 2118 InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 2119 Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags) 2120 && Success; 2121 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 2122 if (DashX != IK_AST && DashX != IK_LLVM_IR) { 2123 ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags); 2124 if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC) 2125 Res.getLangOpts()->ObjCExceptions = 1; 2126 } 2127 // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of 2128 // PCH file and find the original header name. Remove the need to do that in 2129 // ParsePreprocessorArgs and remove the FileManager 2130 // parameters from the function and the "FileManager.h" #include. 2131 FileManager FileMgr(Res.getFileSystemOpts()); 2132 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags); 2133 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 2134 ParseTargetArgs(Res.getTargetOpts(), *Args); 2135 2136 return Success; 2137} 2138 2139namespace { 2140 2141 class ModuleSignature { 2142 llvm::SmallVector<uint64_t, 16> Data; 2143 unsigned CurBit; 2144 uint64_t CurValue; 2145 2146 public: 2147 ModuleSignature() : CurBit(0), CurValue(0) { } 2148 2149 void add(uint64_t Value, unsigned Bits); 2150 void add(StringRef Value); 2151 void flush(); 2152 2153 llvm::APInt getAsInteger() const; 2154 }; 2155} 2156 2157void ModuleSignature::add(uint64_t Value, unsigned int NumBits) { 2158 CurValue |= Value << CurBit; 2159 if (CurBit + NumBits < 64) { 2160 CurBit += NumBits; 2161 return; 2162 } 2163 2164 // Add the current word. 2165 Data.push_back(CurValue); 2166 2167 if (CurBit) 2168 CurValue = Value >> (64-CurBit); 2169 else 2170 CurValue = 0; 2171 CurBit = (CurBit+NumBits) & 63; 2172} 2173 2174void ModuleSignature::flush() { 2175 if (CurBit == 0) 2176 return; 2177 2178 Data.push_back(CurValue); 2179 CurBit = 0; 2180 CurValue = 0; 2181} 2182 2183void ModuleSignature::add(StringRef Value) { 2184 for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I) 2185 add(*I, 8); 2186} 2187 2188llvm::APInt ModuleSignature::getAsInteger() const { 2189 return llvm::APInt(Data.size() * 64, Data); 2190} 2191 2192std::string CompilerInvocation::getModuleHash() const { 2193 ModuleSignature Signature; 2194 2195 // Start the signature with the compiler version. 2196 // FIXME: The full version string can be quite long. Omit it from the 2197 // module hash for now to avoid failures where the path name becomes too 2198 // long. An MD5 or similar checksum would work well here. 2199 // Signature.add(getClangFullRepositoryVersion()); 2200 2201 // Extend the signature with the language options 2202#define LANGOPT(Name, Bits, Default, Description) \ 2203 Signature.add(LangOpts->Name, Bits); 2204#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 2205 Signature.add(static_cast<unsigned>(LangOpts->get##Name()), Bits); 2206#define BENIGN_LANGOPT(Name, Bits, Default, Description) 2207#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) 2208#include "clang/Basic/LangOptions.def" 2209 2210 // Extend the signature with the target triple 2211 llvm::Triple T(TargetOpts.Triple); 2212 Signature.add((unsigned)T.getArch(), 5); 2213 Signature.add((unsigned)T.getVendor(), 4); 2214 Signature.add((unsigned)T.getOS(), 5); 2215 Signature.add((unsigned)T.getEnvironment(), 4); 2216 2217 // Extend the signature with preprocessor options. 2218 Signature.add(getPreprocessorOpts().UsePredefines, 1); 2219 Signature.add(getPreprocessorOpts().DetailedRecord, 1); 2220 2221 // Hash the preprocessor defines. 2222 // FIXME: This is terrible. Use an MD5 sum of the preprocessor defines. 2223 std::vector<StringRef> MacroDefs; 2224 for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator 2225 I = getPreprocessorOpts().Macros.begin(), 2226 IEnd = getPreprocessorOpts().Macros.end(); 2227 I != IEnd; ++I) { 2228 if (!I->second) 2229 MacroDefs.push_back(I->first); 2230 } 2231 llvm::array_pod_sort(MacroDefs.begin(), MacroDefs.end()); 2232 2233 unsigned PPHashResult = 0; 2234 for (unsigned I = 0, N = MacroDefs.size(); I != N; ++I) 2235 PPHashResult = llvm::HashString(MacroDefs[I], PPHashResult); 2236 Signature.add(PPHashResult, 32); 2237 2238 // We've generated the signature. Treat it as one large APInt that we'll 2239 // encode in base-36 and return. 2240 Signature.flush(); 2241 return Signature.getAsInteger().toString(36, /*Signed=*/false); 2242} 2243