CompilerInvocation.cpp revision c31176d5ebbcd407aa512bbd5f717e35da629e7d
1b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines//===--- CompilerInvocation.cpp -------------------------------------------===// 2b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// 3b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// The LLVM Compiler Infrastructure 4b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// 5b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// This file is distributed under the University of Illinois Open Source 6b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// License. See LICENSE.TXT for details. 7b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines// 8b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines//===----------------------------------------------------------------------===// 9b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines 10b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/CompilerInvocation.h" 11b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Basic/Diagnostic.h" 12b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Basic/Version.h" 13b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/Arg.h" 14b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/ArgList.h" 15b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/CC1Options.h" 16b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/DriverDiagnostic.h" 17b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/OptTable.h" 18b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Driver/Option.h" 19b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/CompilerInvocation.h" 20b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/LangStandard.h" 21b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/PCHReader.h" 22b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/ADT/OwningPtr.h" 23b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/ADT/SmallVector.h" 24b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/ADT/StringExtras.h" 25b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/ADT/StringSwitch.h" 26b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/Support/ErrorHandling.h" 27b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/System/Host.h" 28b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "llvm/System/Path.h" 29b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hinesusing namespace clang; 30b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines 31b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hinesstatic const char *getAnalysisName(Analyses Kind) { 32b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines switch (Kind) { 33b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines default: 34b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines llvm_unreachable("Unknown analysis kind!"); 35b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE)\ 36b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines case NAME: return "-" CMDFLAG; 37b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/Analyses.def" 38b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines } 39b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines} 40b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines 41b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hinesstatic const char *getAnalysisStoreName(AnalysisStores Kind) { 42b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines switch (Kind) { 43b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines default: 44b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines llvm_unreachable("Unknown analysis store!"); 45b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 46b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines case NAME##Model: return CMDFLAG; 47b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/Analyses.def" 48b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines } 49b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines} 50b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines 51b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hinesstatic const char *getAnalysisConstraintName(AnalysisConstraints Kind) { 52b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines switch (Kind) { 53b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines default: 54b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines llvm_unreachable("Unknown analysis constraints!"); 55b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 56b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines case NAME##Model: return CMDFLAG; 57b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines#include "clang/Frontend/Analyses.def" 58b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines } 59b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines} 60b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines 61b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hinesstatic const char *getAnalysisDiagClientName(AnalysisDiagClients Kind) { 62b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines switch (Kind) { 63b53c8a59e6f21ed36a0c3d9d4ce5834d4cc3c298Stephen Hines default: 64 llvm_unreachable("Unknown analysis client!"); 65#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREATE) \ 66 case PD_##NAME: return CMDFLAG; 67#include "clang/Frontend/Analyses.def" 68 } 69} 70 71//===----------------------------------------------------------------------===// 72// Serialization (to args) 73//===----------------------------------------------------------------------===// 74 75static void AnalyzerOptsToArgs(const AnalyzerOptions &Opts, 76 std::vector<std::string> &Res) { 77 for (unsigned i = 0, e = Opts.AnalysisList.size(); i != e; ++i) 78 Res.push_back(getAnalysisName(Opts.AnalysisList[i])); 79 if (Opts.AnalysisStoreOpt != BasicStoreModel) { 80 Res.push_back("-analyzer-store"); 81 Res.push_back(getAnalysisStoreName(Opts.AnalysisStoreOpt)); 82 } 83 if (Opts.AnalysisConstraintsOpt != RangeConstraintsModel) { 84 Res.push_back("-analyzer-constraints"); 85 Res.push_back(getAnalysisConstraintName(Opts.AnalysisConstraintsOpt)); 86 } 87 if (Opts.AnalysisDiagOpt != PD_HTML) { 88 Res.push_back("-analyzer-output"); 89 Res.push_back(getAnalysisDiagClientName(Opts.AnalysisDiagOpt)); 90 } 91 if (!Opts.AnalyzeSpecificFunction.empty()) { 92 Res.push_back("-analyze-function"); 93 Res.push_back(Opts.AnalyzeSpecificFunction); 94 } 95 if (Opts.AnalyzeAll) 96 Res.push_back("-analyzer-opt-analyze-headers"); 97 if (Opts.AnalyzerDisplayProgress) 98 Res.push_back("-analyzer-display-progress"); 99 if (Opts.AnalyzeNestedBlocks) 100 Res.push_back("-analyzer-opt-analyze-nested-blocks"); 101 if (Opts.EagerlyAssume) 102 Res.push_back("-analyzer-eagerly-assume"); 103 if (!Opts.PurgeDead) 104 Res.push_back("-analyzer-no-purge-dead"); 105 if (Opts.TrimGraph) 106 Res.push_back("-trim-egraph"); 107 if (Opts.VisualizeEGDot) 108 Res.push_back("-analyzer-viz-egraph-graphviz"); 109 if (Opts.VisualizeEGDot) 110 Res.push_back("-analyzer-viz-egraph-ubigraph"); 111 if (Opts.EnableExperimentalChecks) 112 Res.push_back("-analyzer-experimental-checks"); 113 if (Opts.EnableExperimentalInternalChecks) 114 Res.push_back("-analyzer-experimental-internal-checks"); 115} 116 117static void CodeGenOptsToArgs(const CodeGenOptions &Opts, 118 std::vector<std::string> &Res) { 119 if (Opts.DebugInfo) 120 Res.push_back("-g"); 121 if (Opts.DisableLLVMOpts) 122 Res.push_back("-disable-llvm-optzns"); 123 if (Opts.DisableRedZone) 124 Res.push_back("-disable-red-zone"); 125 if (!Opts.DwarfDebugFlags.empty()) { 126 Res.push_back("-dwarf-debug-flags"); 127 Res.push_back(Opts.DwarfDebugFlags); 128 } 129 if (!Opts.MergeAllConstants) 130 Res.push_back("-fno-merge-all-constants"); 131 if (Opts.NoCommon) 132 Res.push_back("-fno-common"); 133 if (Opts.NoImplicitFloat) 134 Res.push_back("-no-implicit-float"); 135 if (Opts.OptimizeSize) { 136 assert(Opts.OptimizationLevel == 2 && "Invalid options!"); 137 Res.push_back("-Os"); 138 } else if (Opts.OptimizationLevel != 0) 139 Res.push_back("-O" + llvm::utostr(Opts.OptimizationLevel)); 140 if (!Opts.MainFileName.empty()) { 141 Res.push_back("-main-file-name"); 142 Res.push_back(Opts.MainFileName); 143 } 144 // SimplifyLibCalls is only derived. 145 // TimePasses is only derived. 146 // UnitAtATime is unused. 147 // UnrollLoops is only derived. 148 // VerifyModule is only derived. 149 // Inlining is only derived. 150 151 if (Opts.AsmVerbose) 152 Res.push_back("-masm-verbose"); 153 if (!Opts.CodeModel.empty()) { 154 Res.push_back("-mcode-model"); 155 Res.push_back(Opts.CodeModel); 156 } 157 if (!Opts.DebugPass.empty()) { 158 Res.push_back("-mdebug-pass"); 159 Res.push_back(Opts.DebugPass); 160 } 161 if (Opts.DisableFPElim) 162 Res.push_back("-mdisable-fp-elim"); 163 if (!Opts.FloatABI.empty()) { 164 Res.push_back("-mfloat-abi"); 165 Res.push_back(Opts.FloatABI); 166 } 167 if (!Opts.LimitFloatPrecision.empty()) { 168 Res.push_back("-mlimit-float-precision"); 169 Res.push_back(Opts.LimitFloatPrecision); 170 } 171 if (Opts.NoZeroInitializedInBSS) 172 Res.push_back("-mno-zero-initialized-bss"); 173 if (Opts.SoftFloat) 174 Res.push_back("-msoft-float"); 175 if (Opts.UnwindTables) 176 Res.push_back("-munwind-tables"); 177 if (Opts.RelocationModel != "pic") { 178 Res.push_back("-mrelocation-model"); 179 Res.push_back(Opts.RelocationModel); 180 } 181} 182 183static void DependencyOutputOptsToArgs(const DependencyOutputOptions &Opts, 184 std::vector<std::string> &Res) { 185 if (Opts.IncludeSystemHeaders) 186 Res.push_back("-sys-header-deps"); 187 if (Opts.UsePhonyTargets) 188 Res.push_back("-MP"); 189 if (!Opts.OutputFile.empty()) { 190 Res.push_back("-dependency-file"); 191 Res.push_back(Opts.OutputFile); 192 } 193 for (unsigned i = 0, e = Opts.Targets.size(); i != e; ++i) { 194 Res.push_back("-MT"); 195 Res.push_back(Opts.Targets[i]); 196 } 197} 198 199static void DiagnosticOptsToArgs(const DiagnosticOptions &Opts, 200 std::vector<std::string> &Res) { 201 if (Opts.IgnoreWarnings) 202 Res.push_back("-w"); 203 if (Opts.NoRewriteMacros) 204 Res.push_back("-Wno-rewrite-macros"); 205 if (Opts.Pedantic) 206 Res.push_back("-pedantic"); 207 if (Opts.PedanticErrors) 208 Res.push_back("-pedantic-errors"); 209 if (!Opts.ShowColumn) 210 Res.push_back("-fno-show-column"); 211 if (!Opts.ShowLocation) 212 Res.push_back("-fno-show-source-location"); 213 if (!Opts.ShowCarets) 214 Res.push_back("-fno-caret-diagnostics"); 215 if (!Opts.ShowFixits) 216 Res.push_back("-fno-diagnostics-fixit-info"); 217 if (Opts.ShowSourceRanges) 218 Res.push_back("-fdiagnostics-print-source-range-info"); 219 if (Opts.ShowColors) 220 Res.push_back("-fcolor-diagnostics"); 221 if (Opts.VerifyDiagnostics) 222 Res.push_back("-verify"); 223 if (Opts.ShowOptionNames) 224 Res.push_back("-fdiagnostics-show-option"); 225 if (Opts.MessageLength) { 226 Res.push_back("-fmessage-length"); 227 Res.push_back(llvm::utostr(Opts.MessageLength)); 228 } 229 if (!Opts.DumpBuildInformation.empty()) { 230 Res.push_back("-dump-build-information"); 231 Res.push_back(Opts.DumpBuildInformation); 232 } 233 for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) 234 Res.push_back("-W" + Opts.Warnings[i]); 235} 236 237static const char *getInputKindName(FrontendOptions::InputKind Kind) { 238 switch (Kind) { 239 case FrontendOptions::IK_None: break; 240 case FrontendOptions::IK_AST: return "ast"; 241 case FrontendOptions::IK_Asm: return "assembler-with-cpp"; 242 case FrontendOptions::IK_C: return "c"; 243 case FrontendOptions::IK_CXX: return "c++"; 244 case FrontendOptions::IK_ObjC: return "objective-c"; 245 case FrontendOptions::IK_ObjCXX: return "objective-c++"; 246 case FrontendOptions::IK_OpenCL: return "cl"; 247 case FrontendOptions::IK_PreprocessedC: return "cpp-output"; 248 case FrontendOptions::IK_PreprocessedCXX: return "c++-cpp-output"; 249 case FrontendOptions::IK_PreprocessedObjC: return "objective-c-cpp-output"; 250 case FrontendOptions::IK_PreprocessedObjCXX:return "objective-c++-cpp-output"; 251 } 252 253 llvm_unreachable("Unexpected language kind!"); 254 return 0; 255} 256 257static const char *getActionName(frontend::ActionKind Kind) { 258 switch (Kind) { 259 case frontend::PluginAction: 260 case frontend::InheritanceView: 261 llvm_unreachable("Invalid kind!"); 262 263 case frontend::ASTDump: return "-ast-dump"; 264 case frontend::ASTPrint: return "-ast-print"; 265 case frontend::ASTPrintXML: return "-ast-print-xml"; 266 case frontend::ASTView: return "-ast-view"; 267 case frontend::DumpRawTokens: return "-dump-raw-tokens"; 268 case frontend::DumpRecordLayouts: return "-dump-record-layouts"; 269 case frontend::DumpTokens: return "-dump-tokens"; 270 case frontend::EmitAssembly: return "-S"; 271 case frontend::EmitBC: return "-emit-llvm-bc"; 272 case frontend::EmitHTML: return "-emit-html"; 273 case frontend::EmitLLVM: return "-emit-llvm"; 274 case frontend::EmitLLVMOnly: return "-emit-llvm-only"; 275 case frontend::FixIt: return "-fixit"; 276 case frontend::GeneratePCH: return "-emit-pch"; 277 case frontend::GeneratePTH: return "-emit-pth"; 278 case frontend::ParseNoop: return "-parse-noop"; 279 case frontend::ParsePrintCallbacks: return "-parse-print-callbacks"; 280 case frontend::ParseSyntaxOnly: return "-fsyntax-only"; 281 case frontend::PrintDeclContext: return "-print-decl-contexts"; 282 case frontend::PrintPreprocessedInput: return "-E"; 283 case frontend::RewriteMacros: return "-rewrite-macros"; 284 case frontend::RewriteObjC: return "-rewrite-objc"; 285 case frontend::RewriteTest: return "-rewrite-test"; 286 case frontend::RunAnalysis: return "-analyze"; 287 case frontend::RunPreprocessorOnly: return "-Eonly"; 288 } 289 290 llvm_unreachable("Unexpected language kind!"); 291 return 0; 292} 293 294static void FrontendOptsToArgs(const FrontendOptions &Opts, 295 std::vector<std::string> &Res) { 296 if (!Opts.DebugCodeCompletionPrinter) 297 Res.push_back("-no-code-completion-debug-printer"); 298 if (Opts.DisableFree) 299 Res.push_back("-disable-free"); 300 if (Opts.EmptyInputOnly) 301 Res.push_back("-empty-input-only"); 302 if (Opts.RelocatablePCH) 303 Res.push_back("-relocatable-pch"); 304 if (Opts.ShowHelp) 305 Res.push_back("-help"); 306 if (Opts.ShowMacrosInCodeCompletion) 307 Res.push_back("-code-completion-macros"); 308 if (Opts.ShowStats) 309 Res.push_back("-print-stats"); 310 if (Opts.ShowTimers) 311 Res.push_back("-ftime-report"); 312 if (Opts.ShowVersion) 313 Res.push_back("-version"); 314 315 bool NeedLang = false; 316 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) 317 if (FrontendOptions::getInputKindForExtension(Opts.Inputs[i].second) != 318 Opts.Inputs[i].first) 319 NeedLang = true; 320 if (NeedLang) { 321 Res.push_back("-x"); 322 Res.push_back(getInputKindName(Opts.Inputs[0].first)); 323 } 324 for (unsigned i = 0, e = Opts.Inputs.size(); i != e; ++i) { 325 assert((!NeedLang || Opts.Inputs[i].first == Opts.Inputs[0].first) && 326 "Unable to represent this input vector!"); 327 Res.push_back(Opts.Inputs[i].second); 328 } 329 330 if (!Opts.OutputFile.empty()) { 331 Res.push_back("-o"); 332 Res.push_back(Opts.OutputFile); 333 } 334 if (!Opts.ViewClassInheritance.empty()) { 335 Res.push_back("-cxx-inheritance-view"); 336 Res.push_back(Opts.ViewClassInheritance); 337 } 338 for (unsigned i = 0, e = Opts.FixItLocations.size(); i != e; ++i) { 339 Res.push_back("-fixit-at"); 340 Res.push_back(Opts.FixItLocations[i].FileName + ":" + 341 llvm::utostr(Opts.FixItLocations[i].Line) + ":" + 342 llvm::utostr(Opts.FixItLocations[i].Column)); 343 } 344 if (!Opts.CodeCompletionAt.FileName.empty()) { 345 Res.push_back("-code-completion-at"); 346 Res.push_back(Opts.CodeCompletionAt.FileName + ":" + 347 llvm::utostr(Opts.CodeCompletionAt.Line) + ":" + 348 llvm::utostr(Opts.CodeCompletionAt.Column)); 349 } 350 if (Opts.ProgramAction != frontend::InheritanceView && 351 Opts.ProgramAction != frontend::PluginAction) 352 Res.push_back(getActionName(Opts.ProgramAction)); 353 if (!Opts.ActionName.empty()) { 354 Res.push_back("-plugin"); 355 Res.push_back(Opts.ActionName); 356 } 357 for (unsigned i = 0, e = Opts.Plugins.size(); i != e; ++i) { 358 Res.push_back("-load"); 359 Res.push_back(Opts.Plugins[i]); 360 } 361} 362 363static void HeaderSearchOptsToArgs(const HeaderSearchOptions &Opts, 364 std::vector<std::string> &Res) { 365 if (Opts.Sysroot != "/") { 366 Res.push_back("-isysroot"); 367 Res.push_back(Opts.Sysroot); 368 } 369 370 /// User specified include entries. 371 for (unsigned i = 0, e = Opts.UserEntries.size(); i != e; ++i) { 372 const HeaderSearchOptions::Entry &E = Opts.UserEntries[i]; 373 if (E.IsFramework && (E.Group != frontend::Angled || !E.IsUserSupplied)) 374 llvm::llvm_report_error("Invalid option set!"); 375 if (E.IsUserSupplied) { 376 if (E.Group == frontend::After) { 377 Res.push_back("-idirafter"); 378 } else if (E.Group == frontend::Quoted) { 379 Res.push_back("-iquote"); 380 } else if (E.Group == frontend::System) { 381 Res.push_back("-isystem"); 382 } else { 383 assert(E.Group == frontend::Angled && "Invalid group!"); 384 Res.push_back(E.IsFramework ? "-F" : "-I"); 385 } 386 } else { 387 if (E.Group != frontend::Angled && E.Group != frontend::System) 388 llvm::llvm_report_error("Invalid option set!"); 389 Res.push_back(E.Group == frontend::Angled ? "-iwithprefixbefore" : 390 "-iwithprefix"); 391 } 392 Res.push_back(E.Path); 393 } 394 395 if (!Opts.EnvIncPath.empty()) { 396 // FIXME: Provide an option for this, and move env detection to driver. 397 llvm::llvm_report_error("Not yet implemented!"); 398 } 399 if (!Opts.CEnvIncPath.empty()) { 400 // FIXME: Provide an option for this, and move env detection to driver. 401 llvm::llvm_report_error("Not yet implemented!"); 402 } 403 if (!Opts.ObjCEnvIncPath.empty()) { 404 // FIXME: Provide an option for this, and move env detection to driver. 405 llvm::llvm_report_error("Not yet implemented!"); 406 } 407 if (!Opts.CXXEnvIncPath.empty()) { 408 // FIXME: Provide an option for this, and move env detection to driver. 409 llvm::llvm_report_error("Not yet implemented!"); 410 } 411 if (!Opts.ObjCXXEnvIncPath.empty()) { 412 // FIXME: Provide an option for this, and move env detection to driver. 413 llvm::llvm_report_error("Not yet implemented!"); 414 } 415 if (!Opts.ResourceDir.empty()) { 416 Res.push_back("-resource-dir"); 417 Res.push_back(Opts.ResourceDir); 418 } 419 if (!Opts.UseStandardIncludes) 420 Res.push_back("-nostdinc"); 421 if (Opts.Verbose) 422 Res.push_back("-v"); 423} 424 425static void LangOptsToArgs(const LangOptions &Opts, 426 std::vector<std::string> &Res) { 427 LangOptions DefaultLangOpts; 428 429 // FIXME: Need to set -std to get all the implicit options. 430 431 // FIXME: We want to only pass options relative to the defaults, which 432 // requires constructing a target. :( 433 // 434 // It would be better to push the all target specific choices into the driver, 435 // so that everything below that was more uniform. 436 437 if (Opts.Trigraphs) 438 Res.push_back("-trigraphs"); 439 // Implicit based on the input kind: 440 // AsmPreprocessor, CPlusPlus, ObjC1, ObjC2, OpenCL 441 // Implicit based on the input language standard: 442 // BCPLComment, C99, CPlusPlus0x, Digraphs, GNUInline, ImplicitInt, GNUMode 443 if (Opts.DollarIdents) 444 Res.push_back("-fdollars-in-identifiers"); 445 if (Opts.Microsoft) 446 Res.push_back("-fms-extensions"); 447 if (Opts.ObjCNonFragileABI) 448 Res.push_back("-fobjc-nonfragile-abi"); 449 // NoInline is implicit. 450 if (!Opts.CXXOperatorNames) 451 Res.push_back("-fno-operator-names"); 452 if (Opts.PascalStrings) 453 Res.push_back("-fpascal-strings"); 454 if (Opts.CatchUndefined) 455 Res.push_back("-fcatch-undefined-behavior"); 456 if (Opts.WritableStrings) 457 Res.push_back("-fwritable-strings"); 458 if (!Opts.LaxVectorConversions) 459 Res.push_back("-fno-lax-vector-conversions"); 460 if (Opts.AltiVec) 461 Res.push_back("-faltivec"); 462 if (Opts.Exceptions) 463 Res.push_back("-fexceptions"); 464 if (!Opts.RTTI) 465 Res.push_back("-fno-rtti"); 466 if (!Opts.NeXTRuntime) 467 Res.push_back("-fgnu-runtime"); 468 if (Opts.Freestanding) 469 Res.push_back("-ffreestanding"); 470 if (Opts.NoBuiltin) 471 Res.push_back("-fno-builtin"); 472 if (!Opts.AssumeSaneOperatorNew) 473 Res.push_back("-fno-assume-sane-operator-new"); 474 if (Opts.ThreadsafeStatics) 475 llvm::llvm_report_error("FIXME: Not yet implemented!"); 476 if (Opts.POSIXThreads) 477 Res.push_back("-pthread"); 478 if (Opts.Blocks) 479 Res.push_back("-fblocks"); 480 if (Opts.EmitAllDecls) 481 Res.push_back("-femit-all-decls"); 482 if (Opts.MathErrno) 483 Res.push_back("-fmath-errno"); 484 if (Opts.OverflowChecking) 485 Res.push_back("-ftrapv"); 486 if (Opts.HeinousExtensions) 487 Res.push_back("-fheinous-gnu-extensions"); 488 // Optimize is implicit. 489 // OptimizeSize is implicit. 490 if (Opts.Static) 491 Res.push_back("-static-define"); 492 if (Opts.PICLevel) { 493 Res.push_back("-pic-level"); 494 Res.push_back(llvm::utostr(Opts.PICLevel)); 495 } 496 if (Opts.ObjCGCBitmapPrint) 497 Res.push_back("-print-ivar-layout"); 498 // FIXME: Don't forget to update when the default changes! 499 if (Opts.AccessControl) 500 Res.push_back("-faccess-control"); 501 if (!Opts.CharIsSigned) 502 Res.push_back("-fno-signed-char"); 503 if (Opts.ShortWChar) 504 Res.push_back("-fshort-wchar"); 505 if (!Opts.ElideConstructors) 506 Res.push_back("-fno-elide-constructors"); 507 if (Opts.getGCMode() != LangOptions::NonGC) { 508 if (Opts.getGCMode() == LangOptions::HybridGC) { 509 Res.push_back("-fobjc-gc"); 510 } else { 511 assert(Opts.getGCMode() == LangOptions::GCOnly && "Invalid GC mode!"); 512 Res.push_back("-fobjc-gc-only"); 513 } 514 } 515 if (Opts.getVisibilityMode() != LangOptions::Default) { 516 Res.push_back("-fvisibility"); 517 if (Opts.getVisibilityMode() == LangOptions::Hidden) { 518 Res.push_back("hidden"); 519 } else { 520 assert(Opts.getVisibilityMode() == LangOptions::Protected && 521 "Invalid visibility!"); 522 Res.push_back("protected"); 523 } 524 } 525 if (Opts.getStackProtectorMode() != 0) { 526 Res.push_back("-stack-protector"); 527 Res.push_back(llvm::utostr(Opts.getStackProtectorMode())); 528 } 529 if (Opts.InstantiationDepth != DefaultLangOpts.InstantiationDepth) { 530 Res.push_back("-ftemplate-depth"); 531 Res.push_back(llvm::utostr(Opts.InstantiationDepth)); 532 } 533 if (!Opts.ObjCConstantStringClass.empty()) { 534 Res.push_back("-fconstant-string-class"); 535 Res.push_back(Opts.ObjCConstantStringClass); 536 } 537} 538 539static void PreprocessorOptsToArgs(const PreprocessorOptions &Opts, 540 std::vector<std::string> &Res) { 541 for (unsigned i = 0, e = Opts.Macros.size(); i != e; ++i) 542 Res.push_back(std::string(Opts.Macros[i].second ? "-U" : "-D") + 543 Opts.Macros[i].first); 544 for (unsigned i = 0, e = Opts.Includes.size(); i != e; ++i) { 545 // FIXME: We need to avoid reincluding the implicit PCH and PTH includes. 546 Res.push_back("-include"); 547 Res.push_back(Opts.Includes[i]); 548 } 549 for (unsigned i = 0, e = Opts.MacroIncludes.size(); i != e; ++i) { 550 Res.push_back("-imacros"); 551 Res.push_back(Opts.MacroIncludes[i]); 552 } 553 if (!Opts.UsePredefines) 554 Res.push_back("-undef"); 555 if (!Opts.ImplicitPCHInclude.empty()) { 556 Res.push_back("-include-pch"); 557 Res.push_back(Opts.ImplicitPCHInclude); 558 } 559 if (!Opts.ImplicitPTHInclude.empty()) { 560 Res.push_back("-include-pth"); 561 Res.push_back(Opts.ImplicitPTHInclude); 562 } 563 if (!Opts.TokenCache.empty()) { 564 if (Opts.ImplicitPTHInclude.empty()) { 565 Res.push_back("-token-cache"); 566 Res.push_back(Opts.TokenCache); 567 } else 568 assert(Opts.ImplicitPTHInclude == Opts.TokenCache && 569 "Unsupported option combination!"); 570 } 571 for (unsigned i = 0, e = Opts.RemappedFiles.size(); i != e; ++i) { 572 Res.push_back("-remap-file"); 573 Res.push_back(Opts.RemappedFiles[i].first + ";" + 574 Opts.RemappedFiles[i].second); 575 } 576} 577 578static void PreprocessorOutputOptsToArgs(const PreprocessorOutputOptions &Opts, 579 std::vector<std::string> &Res) { 580 if (!Opts.ShowCPP && !Opts.ShowMacros) 581 llvm::llvm_report_error("Invalid option combination!"); 582 583 if (Opts.ShowCPP && Opts.ShowMacros) 584 Res.push_back("-dD"); 585 else if (!Opts.ShowCPP && Opts.ShowMacros) 586 Res.push_back("-dM"); 587 588 if (!Opts.ShowLineMarkers) 589 Res.push_back("-P"); 590 if (Opts.ShowComments) 591 Res.push_back("-C"); 592 if (Opts.ShowMacroComments) 593 Res.push_back("-CC"); 594} 595 596static void TargetOptsToArgs(const TargetOptions &Opts, 597 std::vector<std::string> &Res) { 598 Res.push_back("-triple"); 599 Res.push_back(Opts.Triple); 600 if (!Opts.CPU.empty()) { 601 Res.push_back("-target-cpu"); 602 Res.push_back(Opts.CPU); 603 } 604 if (!Opts.ABI.empty()) { 605 Res.push_back("-target-abi"); 606 Res.push_back(Opts.ABI); 607 } 608 for (unsigned i = 0, e = Opts.Features.size(); i != e; ++i) { 609 Res.push_back("-target-feature"); 610 Res.push_back(Opts.Features[i]); 611 } 612} 613 614void CompilerInvocation::toArgs(std::vector<std::string> &Res) { 615 AnalyzerOptsToArgs(getAnalyzerOpts(), Res); 616 CodeGenOptsToArgs(getCodeGenOpts(), Res); 617 DependencyOutputOptsToArgs(getDependencyOutputOpts(), Res); 618 DiagnosticOptsToArgs(getDiagnosticOpts(), Res); 619 FrontendOptsToArgs(getFrontendOpts(), Res); 620 HeaderSearchOptsToArgs(getHeaderSearchOpts(), Res); 621 LangOptsToArgs(getLangOpts(), Res); 622 PreprocessorOptsToArgs(getPreprocessorOpts(), Res); 623 PreprocessorOutputOptsToArgs(getPreprocessorOutputOpts(), Res); 624 TargetOptsToArgs(getTargetOpts(), Res); 625} 626 627//===----------------------------------------------------------------------===// 628// Deserialization (to args) 629//===----------------------------------------------------------------------===// 630 631using namespace clang::driver; 632using namespace clang::driver::cc1options; 633 634static llvm::StringRef getLastArgValue(ArgList &Args, cc1options::ID ID, 635 llvm::StringRef Default = "") { 636 if (Arg *A = Args.getLastArg(ID)) 637 return A->getValue(Args); 638 return Default; 639} 640 641static int getLastArgIntValue(ArgList &Args, cc1options::ID ID, 642 int Default, Diagnostic &Diags) { 643 Arg *A = Args.getLastArg(ID); 644 if (!A) 645 return Default; 646 647 int Res = Default; 648 if (llvm::StringRef(A->getValue(Args)).getAsInteger(10, Res)) 649 Diags.Report(diag::err_drv_invalid_int_value) 650 << A->getAsString(Args) << A->getValue(Args); 651 652 return Res; 653} 654 655static std::vector<std::string> 656getAllArgValues(ArgList &Args, cc1options::ID ID) { 657 llvm::SmallVector<const char *, 16> Values; 658 Args.AddAllArgValues(Values, ID); 659 return std::vector<std::string>(Values.begin(), Values.end()); 660} 661 662// 663 664static void ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args, 665 Diagnostic &Diags) { 666 using namespace cc1options; 667 668 Opts.AnalysisList.clear(); 669#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) \ 670 if (Args.hasArg(OPT_analysis_##NAME)) Opts.AnalysisList.push_back(NAME); 671#include "clang/Frontend/Analyses.def" 672 673 if (Arg *A = Args.getLastArg(OPT_analyzer_store)) { 674 llvm::StringRef Name = A->getValue(Args); 675 AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name) 676#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \ 677 .Case(CMDFLAG, NAME##Model) 678#include "clang/Frontend/Analyses.def" 679 .Default(NumStores); 680 // FIXME: Error handling. 681 if (Value == NumStores) 682 Diags.Report(diag::err_drv_invalid_value) 683 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 684 else 685 Opts.AnalysisStoreOpt = Value; 686 } 687 688 if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) { 689 llvm::StringRef Name = A->getValue(Args); 690 AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name) 691#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \ 692 .Case(CMDFLAG, NAME##Model) 693#include "clang/Frontend/Analyses.def" 694 .Default(NumConstraints); 695 // FIXME: Error handling. 696 if (Value == NumConstraints) 697 Diags.Report(diag::err_drv_invalid_value) 698 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 699 else 700 Opts.AnalysisConstraintsOpt = Value; 701 } 702 703 if (Arg *A = Args.getLastArg(OPT_analyzer_output)) { 704 llvm::StringRef Name = A->getValue(Args); 705 AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name) 706#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) \ 707 .Case(CMDFLAG, PD_##NAME) 708#include "clang/Frontend/Analyses.def" 709 .Default(NUM_ANALYSIS_DIAG_CLIENTS); 710 // FIXME: Error handling. 711 if (Value == NUM_ANALYSIS_DIAG_CLIENTS) 712 Diags.Report(diag::err_drv_invalid_value) 713 << Args.getLastArg(OPT_O)->getAsString(Args) << Name; 714 else 715 Opts.AnalysisDiagOpt = Value; 716 } 717 718 Opts.VisualizeEGDot = Args.hasArg(OPT_analyzer_viz_egraph_graphviz); 719 Opts.VisualizeEGUbi = Args.hasArg(OPT_analyzer_viz_egraph_ubigraph); 720 Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers); 721 Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress); 722 Opts.AnalyzeNestedBlocks = 723 Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks); 724 Opts.PurgeDead = !Args.hasArg(OPT_analyzer_no_purge_dead); 725 Opts.EagerlyAssume = Args.hasArg(OPT_analyzer_eagerly_assume); 726 Opts.AnalyzeSpecificFunction = getLastArgValue(Args, OPT_analyze_function); 727 Opts.EnableExperimentalChecks = Args.hasArg(OPT_analyzer_experimental_checks); 728 Opts.EnableExperimentalInternalChecks = 729 Args.hasArg(OPT_analyzer_experimental_internal_checks); 730 Opts.TrimGraph = Args.hasArg(OPT_trim_egraph); 731} 732 733static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, 734 Diagnostic &Diags) { 735 using namespace cc1options; 736 // -Os implies -O2 737 if (Args.hasArg(OPT_Os)) 738 Opts.OptimizationLevel = 2; 739 else { 740 Opts.OptimizationLevel = getLastArgIntValue(Args, OPT_O, 0, Diags); 741 if (Opts.OptimizationLevel > 3) { 742 Diags.Report(diag::err_drv_invalid_value) 743 << Args.getLastArg(OPT_O)->getAsString(Args) << Opts.OptimizationLevel; 744 Opts.OptimizationLevel = 3; 745 } 746 } 747 748 // We must always run at least the always inlining pass. 749 Opts.Inlining = (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining 750 : CodeGenOptions::OnlyAlwaysInlining; 751 752 Opts.DebugInfo = Args.hasArg(OPT_g); 753 Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns); 754 Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone); 755 Opts.DwarfDebugFlags = getLastArgValue(Args, OPT_dwarf_debug_flags); 756 Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); 757 Opts.NoCommon = Args.hasArg(OPT_fno_common); 758 Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float); 759 Opts.OptimizeSize = Args.hasArg(OPT_Os); 760 Opts.UnrollLoops = (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize); 761 762 Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose); 763 Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model); 764 Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass); 765 Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim); 766 Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi); 767 Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision); 768 Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss); 769 Opts.SoftFloat = Args.hasArg(OPT_msoft_float); 770 Opts.UnwindTables = Args.hasArg(OPT_munwind_tables); 771 Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic"); 772 773 Opts.MainFileName = getLastArgValue(Args, OPT_main_file_name); 774 775 // FIXME: Put elsewhere? 776#ifdef NDEBUG 777 Opts.VerifyModule = 0; 778#else 779 Opts.VerifyModule = 1; 780#endif 781} 782 783static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts, 784 ArgList &Args) { 785 using namespace cc1options; 786 Opts.OutputFile = getLastArgValue(Args, OPT_dependency_file); 787 Opts.Targets = getAllArgValues(Args, OPT_MT); 788 Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps); 789 Opts.UsePhonyTargets = Args.hasArg(OPT_MP); 790} 791 792static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args, 793 Diagnostic &Diags) { 794 using namespace cc1options; 795 Opts.IgnoreWarnings = Args.hasArg(OPT_w); 796 Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros); 797 Opts.Pedantic = Args.hasArg(OPT_pedantic); 798 Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors); 799 Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics); 800 Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics); 801 Opts.ShowColumn = !Args.hasArg(OPT_fno_show_column); 802 Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info); 803 Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location); 804 Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option); 805 Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info); 806 Opts.VerifyDiagnostics = Args.hasArg(OPT_verify); 807 Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags); 808 Opts.DumpBuildInformation = getLastArgValue(Args, OPT_dump_build_information); 809 Opts.Warnings = getAllArgValues(Args, OPT_W); 810} 811 812static FrontendOptions::InputKind 813ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Diagnostic &Diags) { 814 using namespace cc1options; 815 Opts.ProgramAction = frontend::ParseSyntaxOnly; 816 if (const Arg *A = Args.getLastArg(OPT_Action_Group)) { 817 switch (A->getOption().getID()) { 818 default: 819 assert(0 && "Invalid option in group!"); 820 case OPT_ast_dump: 821 Opts.ProgramAction = frontend::ASTDump; break; 822 case OPT_ast_print: 823 Opts.ProgramAction = frontend::ASTPrint; break; 824 case OPT_ast_print_xml: 825 Opts.ProgramAction = frontend::ASTPrintXML; break; 826 case OPT_ast_view: 827 Opts.ProgramAction = frontend::ASTView; break; 828 case OPT_dump_raw_tokens: 829 Opts.ProgramAction = frontend::DumpRawTokens; break; 830 case OPT_dump_record_layouts: 831 Opts.ProgramAction = frontend::DumpRecordLayouts; break; 832 case OPT_dump_tokens: 833 Opts.ProgramAction = frontend::DumpTokens; break; 834 case OPT_S: 835 Opts.ProgramAction = frontend::EmitAssembly; break; 836 case OPT_emit_llvm_bc: 837 Opts.ProgramAction = frontend::EmitBC; break; 838 case OPT_emit_html: 839 Opts.ProgramAction = frontend::EmitHTML; break; 840 case OPT_emit_llvm: 841 Opts.ProgramAction = frontend::EmitLLVM; break; 842 case OPT_emit_llvm_only: 843 Opts.ProgramAction = frontend::EmitLLVMOnly; break; 844 case OPT_fixit: 845 Opts.ProgramAction = frontend::FixIt; break; 846 case OPT_emit_pch: 847 Opts.ProgramAction = frontend::GeneratePCH; break; 848 case OPT_emit_pth: 849 Opts.ProgramAction = frontend::GeneratePTH; break; 850 case OPT_parse_noop: 851 Opts.ProgramAction = frontend::ParseNoop; break; 852 case OPT_parse_print_callbacks: 853 Opts.ProgramAction = frontend::ParsePrintCallbacks; break; 854 case OPT_fsyntax_only: 855 Opts.ProgramAction = frontend::ParseSyntaxOnly; break; 856 case OPT_print_decl_contexts: 857 Opts.ProgramAction = frontend::PrintDeclContext; break; 858 case OPT_E: 859 Opts.ProgramAction = frontend::PrintPreprocessedInput; break; 860 case OPT_rewrite_macros: 861 Opts.ProgramAction = frontend::RewriteMacros; break; 862 case OPT_rewrite_objc: 863 Opts.ProgramAction = frontend::RewriteObjC; break; 864 case OPT_rewrite_test: 865 Opts.ProgramAction = frontend::RewriteTest; break; 866 case OPT_analyze: 867 Opts.ProgramAction = frontend::RunAnalysis; break; 868 case OPT_Eonly: 869 Opts.ProgramAction = frontend::RunPreprocessorOnly; break; 870 } 871 } 872 if (const Arg *A = Args.getLastArg(OPT_plugin)) { 873 Opts.ProgramAction = frontend::PluginAction; 874 Opts.ActionName = A->getValue(Args); 875 } 876 877 if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) { 878 Opts.CodeCompletionAt = 879 ParsedSourceLocation::FromString(A->getValue(Args)); 880 if (Opts.CodeCompletionAt.FileName.empty()) 881 Diags.Report(diag::err_drv_invalid_value) 882 << A->getAsString(Args) << A->getValue(Args); 883 } 884 Opts.DebugCodeCompletionPrinter = 885 !Args.hasArg(OPT_no_code_completion_debug_printer); 886 Opts.DisableFree = Args.hasArg(OPT_disable_free); 887 Opts.EmptyInputOnly = Args.hasArg(OPT_empty_input_only); 888 889 Opts.FixItLocations.clear(); 890 for (arg_iterator it = Args.filtered_begin(OPT_fixit_at), 891 ie = Args.filtered_end(); it != ie; ++it) { 892 const char *Loc = it->getValue(Args); 893 ParsedSourceLocation PSL = ParsedSourceLocation::FromString(Loc); 894 895 if (PSL.FileName.empty()) { 896 Diags.Report(diag::err_drv_invalid_value) << it->getAsString(Args) << Loc; 897 continue; 898 } 899 900 Opts.FixItLocations.push_back(PSL); 901 } 902 903 Opts.OutputFile = getLastArgValue(Args, OPT_o); 904 Opts.Plugins = getAllArgValues(Args, OPT_load); 905 Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch); 906 Opts.ShowHelp = Args.hasArg(OPT_help); 907 Opts.ShowMacrosInCodeCompletion = Args.hasArg(OPT_code_completion_macros); 908 Opts.ShowStats = Args.hasArg(OPT_print_stats); 909 Opts.ShowTimers = Args.hasArg(OPT_ftime_report); 910 Opts.ShowVersion = Args.hasArg(OPT_version); 911 Opts.ViewClassInheritance = getLastArgValue(Args, OPT_cxx_inheritance_view); 912 913 FrontendOptions::InputKind DashX = FrontendOptions::IK_None; 914 if (const Arg *A = Args.getLastArg(OPT_x)) { 915 DashX = llvm::StringSwitch<FrontendOptions::InputKind>(A->getValue(Args)) 916 .Case("c", FrontendOptions::IK_C) 917 .Case("cl", FrontendOptions::IK_OpenCL) 918 .Case("c", FrontendOptions::IK_C) 919 .Case("cl", FrontendOptions::IK_OpenCL) 920 .Case("c++", FrontendOptions::IK_CXX) 921 .Case("objective-c", FrontendOptions::IK_ObjC) 922 .Case("objective-c++", FrontendOptions::IK_ObjCXX) 923 .Case("cpp-output", FrontendOptions::IK_PreprocessedC) 924 .Case("assembler-with-cpp", FrontendOptions::IK_Asm) 925 .Case("c++-cpp-output", FrontendOptions::IK_PreprocessedCXX) 926 .Case("objective-c-cpp-output", FrontendOptions::IK_PreprocessedObjC) 927 .Case("objective-c++-cpp-output", FrontendOptions::IK_PreprocessedObjCXX) 928 .Case("c-header", FrontendOptions::IK_C) 929 .Case("objective-c-header", FrontendOptions::IK_ObjC) 930 .Case("c++-header", FrontendOptions::IK_CXX) 931 .Case("objective-c++-header", FrontendOptions::IK_ObjCXX) 932 .Case("ast", FrontendOptions::IK_AST) 933 .Default(FrontendOptions::IK_None); 934 if (DashX == FrontendOptions::IK_None) 935 Diags.Report(diag::err_drv_invalid_value) 936 << A->getAsString(Args) << A->getValue(Args); 937 } 938 939 // '-' is the default input if none is given. 940 std::vector<std::string> Inputs = getAllArgValues(Args, OPT_INPUT); 941 Opts.Inputs.clear(); 942 if (Inputs.empty()) 943 Inputs.push_back("-"); 944 for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 945 FrontendOptions::InputKind IK = DashX; 946 if (IK == FrontendOptions::IK_None) { 947 IK = FrontendOptions::getInputKindForExtension( 948 llvm::StringRef(Inputs[i]).rsplit('.').second); 949 // FIXME: Remove this hack. 950 if (i == 0) 951 DashX = IK; 952 } 953 Opts.Inputs.push_back(std::make_pair(IK, Inputs[i])); 954 } 955 956 return DashX; 957} 958 959std::string CompilerInvocation::GetResourcesPath(const char *Argv0, 960 void *MainAddr) { 961 llvm::sys::Path P = llvm::sys::Path::GetMainExecutable(Argv0, MainAddr); 962 963 if (!P.isEmpty()) { 964 P.eraseComponent(); // Remove /clang from foo/bin/clang 965 P.eraseComponent(); // Remove /bin from foo/bin 966 967 // Get foo/lib/clang/<version>/include 968 P.appendComponent("lib"); 969 P.appendComponent("clang"); 970 P.appendComponent(CLANG_VERSION_STRING); 971 } 972 973 return P.str(); 974} 975 976static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) { 977 using namespace cc1options; 978 Opts.Sysroot = getLastArgValue(Args, OPT_isysroot, "/"); 979 Opts.Verbose = Args.hasArg(OPT_v); 980 Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc); 981 Opts.UseStandardIncludes = !Args.hasArg(OPT_nostdinc); 982 Opts.ResourceDir = getLastArgValue(Args, OPT_resource_dir); 983 984 // Add -I... and -F... options in order. 985 for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F), 986 ie = Args.filtered_end(); it != ie; ++it) 987 Opts.AddPath(it->getValue(Args), frontend::Angled, true, 988 /*IsFramework=*/ it->getOption().matches(OPT_F)); 989 990 // Add -iprefix/-iwith-prefix/-iwithprefixbefore options. 991 llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix. 992 for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix, 993 OPT_iwithprefixbefore), 994 ie = Args.filtered_end(); it != ie; ++it) { 995 if (it->getOption().matches(OPT_iprefix)) 996 Prefix = it->getValue(Args); 997 else if (it->getOption().matches(OPT_iwithprefix)) 998 Opts.AddPath(Prefix.str() + it->getValue(Args), 999 frontend::System, false, false); 1000 else 1001 Opts.AddPath(Prefix.str() + it->getValue(Args), 1002 frontend::Angled, false, false); 1003 } 1004 1005 for (arg_iterator it = Args.filtered_begin(OPT_idirafter), 1006 ie = Args.filtered_end(); it != ie; ++it) 1007 Opts.AddPath(it->getValue(Args), frontend::After, true, false); 1008 for (arg_iterator it = Args.filtered_begin(OPT_iquote), 1009 ie = Args.filtered_end(); it != ie; ++it) 1010 Opts.AddPath(it->getValue(Args), frontend::Quoted, true, false); 1011 for (arg_iterator it = Args.filtered_begin(OPT_isystem), 1012 ie = Args.filtered_end(); it != ie; ++it) 1013 Opts.AddPath(it->getValue(Args), frontend::System, true, false); 1014 1015 // FIXME: Need options for the various environment variables! 1016} 1017 1018static void ParseLangArgs(LangOptions &Opts, ArgList &Args, 1019 FrontendOptions::InputKind IK, 1020 Diagnostic &Diags) { 1021 // FIXME: Cleanup per-file based stuff. 1022 1023 // Set some properties which depend soley on the input kind; it would be nice 1024 // to move these to the language standard, and have the driver resolve the 1025 // input kind + language standard. 1026 if (IK == FrontendOptions::IK_Asm) { 1027 Opts.AsmPreprocessor = 1; 1028 } else if (IK == FrontendOptions::IK_ObjC || 1029 IK == FrontendOptions::IK_ObjCXX || 1030 IK == FrontendOptions::IK_PreprocessedObjC || 1031 IK == FrontendOptions::IK_PreprocessedObjCXX) { 1032 Opts.ObjC1 = Opts.ObjC2 = 1; 1033 } 1034 1035 LangStandard::Kind LangStd = LangStandard::lang_unspecified; 1036 if (const Arg *A = Args.getLastArg(OPT_std_EQ)) { 1037 LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue(Args)) 1038#define LANGSTANDARD(id, name, desc, features) \ 1039 .Case(name, LangStandard::lang_##id) 1040#include "clang/Frontend/LangStandards.def" 1041 .Default(LangStandard::lang_unspecified); 1042 if (LangStd == LangStandard::lang_unspecified) 1043 Diags.Report(diag::err_drv_invalid_value) 1044 << A->getAsString(Args) << A->getValue(Args); 1045 } 1046 1047 if (LangStd == LangStandard::lang_unspecified) { 1048 // Based on the base language, pick one. 1049 switch (IK) { 1050 case FrontendOptions::IK_None: 1051 case FrontendOptions::IK_AST: 1052 assert(0 && "Invalid input kind!"); 1053 case FrontendOptions::IK_OpenCL: 1054 LangStd = LangStandard::lang_opencl; 1055 break; 1056 case FrontendOptions::IK_Asm: 1057 case FrontendOptions::IK_C: 1058 case FrontendOptions::IK_PreprocessedC: 1059 case FrontendOptions::IK_ObjC: 1060 case FrontendOptions::IK_PreprocessedObjC: 1061 LangStd = LangStandard::lang_gnu99; 1062 break; 1063 case FrontendOptions::IK_CXX: 1064 case FrontendOptions::IK_PreprocessedCXX: 1065 case FrontendOptions::IK_ObjCXX: 1066 case FrontendOptions::IK_PreprocessedObjCXX: 1067 LangStd = LangStandard::lang_gnucxx98; 1068 break; 1069 } 1070 } 1071 1072 const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd); 1073 Opts.BCPLComment = Std.hasBCPLComments(); 1074 Opts.C99 = Std.isC99(); 1075 Opts.CPlusPlus = Std.isCPlusPlus(); 1076 Opts.CPlusPlus0x = Std.isCPlusPlus0x(); 1077 Opts.Digraphs = Std.hasDigraphs(); 1078 Opts.GNUMode = Std.isGNUMode(); 1079 Opts.GNUInline = !Std.isC99(); 1080 Opts.HexFloats = Std.hasHexFloats(); 1081 Opts.ImplicitInt = Std.hasImplicitInt(); 1082 1083 // OpenCL has some additional defaults. 1084 if (LangStd == LangStandard::lang_opencl) { 1085 Opts.OpenCL = 1; 1086 Opts.AltiVec = 1; 1087 Opts.CXXOperatorNames = 1; 1088 Opts.LaxVectorConversions = 1; 1089 } 1090 1091 // OpenCL and C++ both have bool, true, false keywords. 1092 Opts.Bool = Opts.OpenCL || Opts.CPlusPlus; 1093 1094 if (Opts.CPlusPlus) 1095 Opts.CXXOperatorNames = !Args.hasArg(OPT_fno_operator_names); 1096 1097 if (Args.hasArg(OPT_fobjc_gc_only)) 1098 Opts.setGCMode(LangOptions::GCOnly); 1099 else if (Args.hasArg(OPT_fobjc_gc)) 1100 Opts.setGCMode(LangOptions::HybridGC); 1101 1102 if (Args.hasArg(OPT_print_ivar_layout)) 1103 Opts.ObjCGCBitmapPrint = 1; 1104 1105 if (Args.hasArg(OPT_faltivec)) 1106 Opts.AltiVec = 1; 1107 1108 if (Args.hasArg(OPT_pthread)) 1109 Opts.POSIXThreads = 1; 1110 1111 llvm::StringRef Vis = getLastArgValue(Args, OPT_fvisibility, 1112 "default"); 1113 if (Vis == "default") 1114 Opts.setVisibilityMode(LangOptions::Default); 1115 else if (Vis == "hidden") 1116 Opts.setVisibilityMode(LangOptions::Hidden); 1117 else if (Vis == "protected") 1118 Opts.setVisibilityMode(LangOptions::Protected); 1119 else 1120 Diags.Report(diag::err_drv_invalid_value) 1121 << Args.getLastArg(OPT_fvisibility)->getAsString(Args) << Vis; 1122 1123 Opts.OverflowChecking = Args.hasArg(OPT_ftrapv); 1124 1125 // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs 1126 // is specified, or -std is set to a conforming mode. 1127 Opts.Trigraphs = !Opts.GNUMode; 1128 if (Args.hasArg(OPT_trigraphs)) 1129 Opts.Trigraphs = 1; 1130 1131 Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers, 1132 OPT_fno_dollars_in_identifiers, 1133 !Opts.AsmPreprocessor); 1134 Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings); 1135 Opts.Microsoft = Args.hasArg(OPT_fms_extensions); 1136 Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings); 1137 if (Args.hasArg(OPT_fno_lax_vector_conversions)) 1138 Opts.LaxVectorConversions = 0; 1139 Opts.Exceptions = Args.hasArg(OPT_fexceptions); 1140 Opts.RTTI = !Args.hasArg(OPT_fno_rtti); 1141 Opts.Blocks = Args.hasArg(OPT_fblocks); 1142 Opts.CharIsSigned = !Args.hasArg(OPT_fno_signed_char); 1143 Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar); 1144 Opts.Freestanding = Args.hasArg(OPT_ffreestanding); 1145 Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding; 1146 Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new); 1147 Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions); 1148 Opts.AccessControl = Args.hasArg(OPT_faccess_control); 1149 Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors); 1150 Opts.MathErrno = Args.hasArg(OPT_fmath_errno); 1151 Opts.InstantiationDepth = getLastArgIntValue(Args, OPT_ftemplate_depth, 99, 1152 Diags); 1153 Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); 1154 Opts.ObjCConstantStringClass = getLastArgValue(Args, 1155 OPT_fconstant_string_class); 1156 Opts.ObjCNonFragileABI = Args.hasArg(OPT_fobjc_nonfragile_abi); 1157 Opts.CatchUndefined = Args.hasArg(OPT_fcatch_undefined_behavior); 1158 Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls); 1159 Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); 1160 Opts.Static = Args.hasArg(OPT_static_define); 1161 Opts.OptimizeSize = 0; 1162 1163 // FIXME: Eliminate this dependency. 1164 unsigned Opt = 1165 Args.hasArg(OPT_Os) ? 2 : getLastArgIntValue(Args, OPT_O, 0, Diags); 1166 Opts.Optimize = Opt != 0; 1167 1168 // This is the __NO_INLINE__ define, which just depends on things like the 1169 // optimization level and -fno-inline, not actually whether the backend has 1170 // inlining enabled. 1171 // 1172 // FIXME: This is affected by other options (-fno-inline). 1173 Opts.NoInline = !Opt; 1174 1175 unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags); 1176 switch (SSP) { 1177 default: 1178 Diags.Report(diag::err_drv_invalid_value) 1179 << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP; 1180 break; 1181 case 0: Opts.setStackProtectorMode(LangOptions::SSPOff); break; 1182 case 1: Opts.setStackProtectorMode(LangOptions::SSPOn); break; 1183 case 2: Opts.setStackProtectorMode(LangOptions::SSPReq); break; 1184 } 1185} 1186 1187static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args, 1188 Diagnostic &Diags) { 1189 using namespace cc1options; 1190 Opts.ImplicitPCHInclude = getLastArgValue(Args, OPT_include_pch); 1191 Opts.ImplicitPTHInclude = getLastArgValue(Args, OPT_include_pth); 1192 if (const Arg *A = Args.getLastArg(OPT_token_cache)) 1193 Opts.TokenCache = A->getValue(Args); 1194 else 1195 Opts.TokenCache = Opts.ImplicitPTHInclude; 1196 Opts.UsePredefines = !Args.hasArg(OPT_undef); 1197 1198 // Add macros from the command line. 1199 for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U), 1200 ie = Args.filtered_end(); it != ie; ++it) { 1201 if (it->getOption().matches(OPT_D)) 1202 Opts.addMacroDef(it->getValue(Args)); 1203 else 1204 Opts.addMacroUndef(it->getValue(Args)); 1205 } 1206 1207 Opts.MacroIncludes = getAllArgValues(Args, OPT_imacros); 1208 1209 // Add the ordered list of -includes. 1210 for (arg_iterator it = Args.filtered_begin(OPT_include, OPT_include_pch, 1211 OPT_include_pth), 1212 ie = Args.filtered_end(); it != ie; ++it) { 1213 // PCH is handled specially, we need to extra the original include path. 1214 if (it->getOption().matches(OPT_include_pch)) { 1215 std::string OriginalFile = 1216 PCHReader::getOriginalSourceFile(it->getValue(Args), Diags); 1217 if (OriginalFile.empty()) 1218 continue; 1219 1220 Opts.Includes.push_back(OriginalFile); 1221 } else 1222 Opts.Includes.push_back(it->getValue(Args)); 1223 } 1224 1225 for (arg_iterator it = Args.filtered_begin(OPT_remap_file), 1226 ie = Args.filtered_end(); it != ie; ++it) { 1227 std::pair<llvm::StringRef,llvm::StringRef> Split = 1228 llvm::StringRef(it->getValue(Args)).split(';'); 1229 1230 if (Split.second.empty()) { 1231 Diags.Report(diag::err_drv_invalid_remap_file) << it->getAsString(Args); 1232 continue; 1233 } 1234 1235 Opts.addRemappedFile(Split.first, Split.second); 1236 } 1237} 1238 1239static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts, 1240 ArgList &Args) { 1241 using namespace cc1options; 1242 Opts.ShowCPP = !Args.hasArg(OPT_dM); 1243 Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD); 1244 Opts.ShowLineMarkers = !Args.hasArg(OPT_P); 1245 Opts.ShowComments = Args.hasArg(OPT_C); 1246 Opts.ShowMacroComments = Args.hasArg(OPT_CC); 1247} 1248 1249static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) { 1250 using namespace cc1options; 1251 Opts.ABI = getLastArgValue(Args, OPT_target_abi); 1252 Opts.CPU = getLastArgValue(Args, OPT_target_cpu); 1253 Opts.Triple = getLastArgValue(Args, OPT_triple); 1254 Opts.Features = getAllArgValues(Args, OPT_target_feature); 1255 1256 // Use the host triple if unspecified. 1257 if (Opts.Triple.empty()) 1258 Opts.Triple = llvm::sys::getHostTriple(); 1259} 1260 1261// 1262 1263void CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, 1264 const char **ArgBegin, 1265 const char **ArgEnd, 1266 Diagnostic &Diags) { 1267 // Parse the arguments. 1268 llvm::OwningPtr<OptTable> Opts(createCC1OptTable()); 1269 unsigned MissingArgIndex, MissingArgCount; 1270 llvm::OwningPtr<InputArgList> Args( 1271 Opts->ParseArgs(ArgBegin, ArgEnd,MissingArgIndex, MissingArgCount)); 1272 1273 // Check for missing argument error. 1274 if (MissingArgCount) 1275 Diags.Report(diag::err_drv_missing_argument) 1276 << Args->getArgString(MissingArgIndex) << MissingArgCount; 1277 1278 // Issue errors on unknown arguments. 1279 for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN), 1280 ie = Args->filtered_end(); it != ie; ++it) 1281 Diags.Report(diag::err_drv_unknown_argument) << it->getAsString(*Args); 1282 1283 ParseAnalyzerArgs(Res.getAnalyzerOpts(), *Args, Diags); 1284 ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, Diags); 1285 ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args); 1286 ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, Diags); 1287 FrontendOptions::InputKind DashX = 1288 ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags); 1289 ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args); 1290 if (DashX != FrontendOptions::IK_AST) 1291 ParseLangArgs(Res.getLangOpts(), *Args, DashX, Diags); 1292 ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, Diags); 1293 ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args); 1294 ParseTargetArgs(Res.getTargetOpts(), *Args); 1295} 1296