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| 13 | |
| 14 | #include "clang/AST/ASTContext.h" |
| 15 | #include "clang/AST/ASTDiagnostic.h" |
| 16 | #include "clang/AST/DeclCXX.h" |
| 17 | #include "clang/AST/DeclFriend.h" |
| 18 | #include "clang/AST/DeclObjC.h" |
| 19 | #include "clang/AST/Expr.h" |
| 20 | #include "clang/AST/ExprCXX.h" |
| 21 | #include "clang/AST/PrettyDeclStackTrace.h" |
| 22 | #include "clang/AST/StmtCXX.h" |
| 23 | #include "clang/Basic/DiagnosticOptions.h" |
| 24 | #include "clang/Basic/PartialDiagnostic.h" |
| 25 | #include "clang/Basic/TargetInfo.h" |
| 26 | #include "clang/Lex/HeaderSearch.h" |
| 27 | #include "clang/Lex/Preprocessor.h" |
| 28 | #include "clang/Sema/CXXFieldCollector.h" |
| 29 | #include "clang/Sema/DelayedDiagnostic.h" |
| 30 | #include "clang/Sema/ExternalSemaSource.h" |
| 31 | #include "clang/Sema/Initialization.h" |
| 32 | #include "clang/Sema/MultiplexExternalSemaSource.h" |
| 33 | #include "clang/Sema/ObjCMethodList.h" |
| 34 | #include "clang/Sema/Scope.h" |
| 35 | #include "clang/Sema/ScopeInfo.h" |
| 36 | #include "clang/Sema/SemaConsumer.h" |
| 37 | #include "clang/Sema/SemaInternal.h" |
| 38 | #include "clang/Sema/TemplateDeduction.h" |
| 39 | #include "clang/Sema/TemplateInstCallback.h" |
| 40 | #include "llvm/ADT/DenseMap.h" |
| 41 | #include "llvm/ADT/SmallSet.h" |
| 42 | using namespace clang; |
| 43 | using namespace sema; |
| 44 | |
| 45 | SourceLocation Sema::getLocForEndOfToken(SourceLocation Loc, unsigned Offset) { |
| 46 | return Lexer::getLocForEndOfToken(Loc, Offset, SourceMgr, LangOpts); |
| 47 | } |
| 48 | |
| 49 | ModuleLoader &Sema::getModuleLoader() const { return PP.getModuleLoader(); } |
| 50 | |
| 51 | PrintingPolicy Sema::getPrintingPolicy(const ASTContext &Context, |
| 52 | const Preprocessor &PP) { |
| 53 | PrintingPolicy Policy = Context.getPrintingPolicy(); |
| 54 | |
| 55 | |
| 56 | Policy.Bool = Context.getLangOpts().Bool; |
| 57 | if (!Policy.Bool) { |
| 58 | if (const MacroInfo *BoolMacro = PP.getMacroInfo(Context.getBoolName())) { |
| 59 | Policy.Bool = BoolMacro->isObjectLike() && |
| 60 | BoolMacro->getNumTokens() == 1 && |
| 61 | BoolMacro->getReplacementToken(0).is(tok::kw__Bool); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | return Policy; |
| 66 | } |
| 67 | |
| 68 | void Sema::ActOnTranslationUnitScope(Scope *S) { |
| 69 | TUScope = S; |
| 70 | PushDeclContext(S, Context.getTranslationUnitDecl()); |
| 71 | } |
| 72 | |
| 73 | namespace clang { |
| 74 | namespace sema { |
| 75 | |
| 76 | class SemaPPCallbacks : public PPCallbacks { |
| 77 | Sema *S = nullptr; |
| 78 | llvm::SmallVector<SourceLocation, 8> IncludeStack; |
| 79 | |
| 80 | public: |
| 81 | void set(Sema &S) { this->S = &S; } |
| 82 | |
| 83 | void reset() { S = nullptr; } |
| 84 | |
| 85 | virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason, |
| 86 | SrcMgr::CharacteristicKind FileType, |
| 87 | FileID PrevFID) override { |
| 88 | if (!S) |
| 89 | return; |
| 90 | switch (Reason) { |
| 91 | case EnterFile: { |
| 92 | SourceManager &SM = S->getSourceManager(); |
| 93 | SourceLocation IncludeLoc = SM.getIncludeLoc(SM.getFileID(Loc)); |
| 94 | if (IncludeLoc.isValid()) { |
| 95 | IncludeStack.push_back(IncludeLoc); |
| 96 | S->DiagnoseNonDefaultPragmaPack( |
| 97 | Sema::PragmaPackDiagnoseKind::NonDefaultStateAtInclude, IncludeLoc); |
| 98 | } |
| 99 | break; |
| 100 | } |
| 101 | case ExitFile: |
| 102 | if (!IncludeStack.empty()) |
| 103 | S->DiagnoseNonDefaultPragmaPack( |
| 104 | Sema::PragmaPackDiagnoseKind::ChangedStateAtExit, |
| 105 | IncludeStack.pop_back_val()); |
| 106 | break; |
| 107 | default: |
| 108 | break; |
| 109 | } |
| 110 | } |
| 111 | }; |
| 112 | |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, |
| 117 | TranslationUnitKind TUKind, CodeCompleteConsumer *CodeCompleter) |
| 118 | : ExternalSource(nullptr), isMultiplexExternalSource(false), |
| 119 | FPFeatures(pp.getLangOpts()), LangOpts(pp.getLangOpts()), PP(pp), |
| 120 | Context(ctxt), Consumer(consumer), Diags(PP.getDiagnostics()), |
| 121 | SourceMgr(PP.getSourceManager()), CollectStats(false), |
| 122 | CodeCompleter(CodeCompleter), CurContext(nullptr), |
| 123 | OriginalLexicalContext(nullptr), MSStructPragmaOn(false), |
| 124 | MSPointerToMemberRepresentationMethod( |
| 125 | LangOpts.getMSPointerToMemberRepresentationMethod()), |
| 126 | VtorDispStack(MSVtorDispAttr::Mode(LangOpts.VtorDispMode)), PackStack(0), |
| 127 | DataSegStack(nullptr), BSSSegStack(nullptr), ConstSegStack(nullptr), |
| 128 | CodeSegStack(nullptr), CurInitSeg(nullptr), VisContext(nullptr), |
| 129 | PragmaAttributeCurrentTargetDecl(nullptr), |
| 130 | IsBuildingRecoveryCallExpr(false), Cleanup{}, LateTemplateParser(nullptr), |
| 131 | LateTemplateParserCleanup(nullptr), OpaqueParser(nullptr), IdResolver(pp), |
| 132 | StdExperimentalNamespaceCache(nullptr), StdInitializerList(nullptr), |
| 133 | StdCoroutineTraitsCache(nullptr), CXXTypeInfoDecl(nullptr), |
| 134 | MSVCGuidDecl(nullptr), NSNumberDecl(nullptr), NSValueDecl(nullptr), |
| 135 | NSStringDecl(nullptr), StringWithUTF8StringMethod(nullptr), |
| 136 | ValueWithBytesObjCTypeMethod(nullptr), NSArrayDecl(nullptr), |
| 137 | ArrayWithObjectsMethod(nullptr), NSDictionaryDecl(nullptr), |
| 138 | DictionaryWithObjectsMethod(nullptr), GlobalNewDeleteDeclared(false), |
| 139 | TUKind(TUKind), NumSFINAEErrors(0), |
| 140 | FullyCheckedComparisonCategories( |
| 141 | static_cast<unsigned>(ComparisonCategoryType::Last) + 1), |
| 142 | AccessCheckingSFINAE(false), InNonInstantiationSFINAEContext(false), |
| 143 | NonInstantiationEntries(0), ArgumentPackSubstitutionIndex(-1), |
| 144 | CurrentInstantiationScope(nullptr), DisableTypoCorrection(false), |
| 145 | TyposCorrected(0), AnalysisWarnings(*this), |
| 146 | ThreadSafetyDeclCache(nullptr), VarDataSharingAttributesStack(nullptr), |
| 147 | CurScope(nullptr), Ident_super(nullptr), Ident___float128(nullptr) { |
| 148 | TUScope = nullptr; |
| 149 | |
| 150 | LoadedExternalKnownNamespaces = false; |
| 151 | for (unsigned I = 0; I != NSAPI::NumNSNumberLiteralMethods; ++I) |
| 152 | NSNumberLiteralMethods[I] = nullptr; |
| 153 | |
| 154 | if (getLangOpts().ObjC) |
| 155 | NSAPIObj.reset(new NSAPI(Context)); |
| 156 | |
| 157 | if (getLangOpts().CPlusPlus) |
| 158 | FieldCollector.reset(new CXXFieldCollector()); |
| 159 | |
| 160 | |
| 161 | Diags.SetArgToStringFn(&FormatASTNodeDiagnosticArgument, &Context); |
| 162 | |
| 163 | ExprEvalContexts.emplace_back( |
| 164 | ExpressionEvaluationContext::PotentiallyEvaluated, 0, CleanupInfo{}, |
| 165 | nullptr, ExpressionEvaluationContextRecord::EK_Other); |
| 166 | |
| 167 | PreallocatedFunctionScope.reset(new FunctionScopeInfo(Diags)); |
| 168 | |
| 169 | |
| 170 | InitDataSharingAttributesStack(); |
| 171 | |
| 172 | std::unique_ptr<sema::SemaPPCallbacks> Callbacks = |
| 173 | llvm::make_unique<sema::SemaPPCallbacks>(); |
| 174 | SemaPPCallbackHandler = Callbacks.get(); |
| 175 | PP.addPPCallbacks(std::move(Callbacks)); |
| 176 | SemaPPCallbackHandler->set(*this); |
| 177 | } |
| 178 | |
| 179 | void Sema::addImplicitTypedef(StringRef Name, QualType T) { |
| 180 | DeclarationName DN = &Context.Idents.get(Name); |
| 181 | if (IdResolver.begin(DN) == IdResolver.end()) |
| 182 | PushOnScopeChains(Context.buildImplicitTypedef(T, Name), TUScope); |
| 183 | } |
| 184 | |
| 185 | void Sema::Initialize() { |
| 186 | if (SemaConsumer *SC = dyn_cast<SemaConsumer>(&Consumer)) |
| 187 | SC->InitializeSema(*this); |
| 188 | |
| 189 | |
| 190 | if (ExternalSemaSource *ExternalSema |
| 191 | = dyn_cast_or_null<ExternalSemaSource>(Context.getExternalSource())) |
| 192 | ExternalSema->InitializeSema(*this); |
| 193 | |
| 194 | |
| 195 | |
| 196 | VAListTagName = PP.getIdentifierInfo("__va_list_tag"); |
| 197 | |
| 198 | if (!TUScope) |
| 199 | return; |
| 200 | |
| 201 | |
| 202 | if (Context.getTargetInfo().hasInt128Type()) { |
| 203 | |
| 204 | |
| 205 | DeclarationName Int128 = &Context.Idents.get("__int128_t"); |
| 206 | if (IdResolver.begin(Int128) == IdResolver.end()) |
| 207 | PushOnScopeChains(Context.getInt128Decl(), TUScope); |
| 208 | |
| 209 | DeclarationName UInt128 = &Context.Idents.get("__uint128_t"); |
| 210 | if (IdResolver.begin(UInt128) == IdResolver.end()) |
| 211 | PushOnScopeChains(Context.getUInt128Decl(), TUScope); |
| 212 | } |
| 213 | |
| 214 | |
| 215 | |
| 216 | if (getLangOpts().ObjC) { |
| 217 | |
| 218 | |
| 219 | DeclarationName SEL = &Context.Idents.get("SEL"); |
| 220 | if (IdResolver.begin(SEL) == IdResolver.end()) |
| 221 | PushOnScopeChains(Context.getObjCSelDecl(), TUScope); |
| 222 | |
| 223 | |
| 224 | |
| 225 | DeclarationName Id = &Context.Idents.get("id"); |
| 226 | if (IdResolver.begin(Id) == IdResolver.end()) |
| 227 | PushOnScopeChains(Context.getObjCIdDecl(), TUScope); |
| 228 | |
| 229 | |
| 230 | DeclarationName Class = &Context.Idents.get("Class"); |
| 231 | if (IdResolver.begin(Class) == IdResolver.end()) |
| 232 | PushOnScopeChains(Context.getObjCClassDecl(), TUScope); |
| 233 | |
| 234 | |
| 235 | DeclarationName Protocol = &Context.Idents.get("Protocol"); |
| 236 | if (IdResolver.begin(Protocol) == IdResolver.end()) |
| 237 | PushOnScopeChains(Context.getObjCProtocolDecl(), TUScope); |
| 238 | } |
| 239 | |
| 240 | |
| 241 | DeclarationName ConstantString = &Context.Idents.get("__NSConstantString"); |
| 242 | if (IdResolver.begin(ConstantString) == IdResolver.end()) |
| 243 | PushOnScopeChains(Context.getCFConstantStringDecl(), TUScope); |
| 244 | |
| 245 | |
| 246 | if (getLangOpts().MSVCCompat) { |
| 247 | if (getLangOpts().CPlusPlus && |
| 248 | IdResolver.begin(&Context.Idents.get("type_info")) == IdResolver.end()) |
| 249 | PushOnScopeChains(Context.buildImplicitRecord("type_info", TTK_Class), |
| 250 | TUScope); |
| 251 | |
| 252 | addImplicitTypedef("size_t", Context.getSizeType()); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | |
| 257 | if (getLangOpts().OpenCL) { |
| 258 | getOpenCLOptions().addSupport( |
| 259 | Context.getTargetInfo().getSupportedOpenCLOpts()); |
| 260 | getOpenCLOptions().enableSupportedCore(getLangOpts()); |
| 261 | addImplicitTypedef("sampler_t", Context.OCLSamplerTy); |
| 262 | addImplicitTypedef("event_t", Context.OCLEventTy); |
| 263 | if (getLangOpts().OpenCLCPlusPlus || getLangOpts().OpenCLVersion >= 200) { |
| 264 | addImplicitTypedef("clk_event_t", Context.OCLClkEventTy); |
| 265 | addImplicitTypedef("queue_t", Context.OCLQueueTy); |
| 266 | addImplicitTypedef("reserve_id_t", Context.OCLReserveIDTy); |
| 267 | addImplicitTypedef("atomic_int", Context.getAtomicType(Context.IntTy)); |
| 268 | addImplicitTypedef("atomic_uint", |
| 269 | Context.getAtomicType(Context.UnsignedIntTy)); |
| 270 | auto AtomicLongT = Context.getAtomicType(Context.LongTy); |
| 271 | addImplicitTypedef("atomic_long", AtomicLongT); |
| 272 | auto AtomicULongT = Context.getAtomicType(Context.UnsignedLongTy); |
| 273 | addImplicitTypedef("atomic_ulong", AtomicULongT); |
| 274 | addImplicitTypedef("atomic_float", |
| 275 | Context.getAtomicType(Context.FloatTy)); |
| 276 | auto AtomicDoubleT = Context.getAtomicType(Context.DoubleTy); |
| 277 | addImplicitTypedef("atomic_double", AtomicDoubleT); |
| 278 | |
| 279 | |
| 280 | addImplicitTypedef("atomic_flag", Context.getAtomicType(Context.IntTy)); |
| 281 | auto AtomicIntPtrT = Context.getAtomicType(Context.getIntPtrType()); |
| 282 | addImplicitTypedef("atomic_intptr_t", AtomicIntPtrT); |
| 283 | auto AtomicUIntPtrT = Context.getAtomicType(Context.getUIntPtrType()); |
| 284 | addImplicitTypedef("atomic_uintptr_t", AtomicUIntPtrT); |
| 285 | auto AtomicSizeT = Context.getAtomicType(Context.getSizeType()); |
| 286 | addImplicitTypedef("atomic_size_t", AtomicSizeT); |
| 287 | auto AtomicPtrDiffT = Context.getAtomicType(Context.getPointerDiffType()); |
| 288 | addImplicitTypedef("atomic_ptrdiff_t", AtomicPtrDiffT); |
| 289 | |
| 290 | |
| 291 | |
| 292 | |
| 293 | |
| 294 | |
| 295 | |
| 296 | |
| 297 | |
| 298 | |
| 299 | |
| 300 | |
| 301 | std::vector<QualType> Atomic64BitTypes; |
| 302 | Atomic64BitTypes.push_back(AtomicLongT); |
| 303 | Atomic64BitTypes.push_back(AtomicULongT); |
| 304 | Atomic64BitTypes.push_back(AtomicDoubleT); |
| 305 | if (Context.getTypeSize(AtomicSizeT) == 64) { |
| 306 | Atomic64BitTypes.push_back(AtomicSizeT); |
| 307 | Atomic64BitTypes.push_back(AtomicIntPtrT); |
| 308 | Atomic64BitTypes.push_back(AtomicUIntPtrT); |
| 309 | Atomic64BitTypes.push_back(AtomicPtrDiffT); |
| 310 | } |
| 311 | for (auto &I : Atomic64BitTypes) |
| 312 | setOpenCLExtensionForType(I, |
| 313 | "cl_khr_int64_base_atomics cl_khr_int64_extended_atomics"); |
| 314 | |
| 315 | setOpenCLExtensionForType(AtomicDoubleT, "cl_khr_fp64"); |
| 316 | } |
| 317 | |
| 318 | setOpenCLExtensionForType(Context.DoubleTy, "cl_khr_fp64"); |
| 319 | |
| 320 | #define GENERIC_IMAGE_TYPE_EXT(Type, Id, Ext) \ |
| 321 | setOpenCLExtensionForType(Context.Id, Ext); |
| 322 | #include "clang/Basic/OpenCLImageTypes.def" |
| 323 | #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ |
| 324 | addImplicitTypedef(#ExtType, Context.Id##Ty); \ |
| 325 | setOpenCLExtensionForType(Context.Id##Ty, #Ext); |
| 326 | #include "clang/Basic/OpenCLExtensionTypes.def" |
| 327 | }; |
| 328 | |
| 329 | if (Context.getTargetInfo().hasBuiltinMSVaList()) { |
| 330 | DeclarationName MSVaList = &Context.Idents.get("__builtin_ms_va_list"); |
| 331 | if (IdResolver.begin(MSVaList) == IdResolver.end()) |
| 332 | PushOnScopeChains(Context.getBuiltinMSVaListDecl(), TUScope); |
| 333 | } |
| 334 | |
| 335 | DeclarationName BuiltinVaList = &Context.Idents.get("__builtin_va_list"); |
| 336 | if (IdResolver.begin(BuiltinVaList) == IdResolver.end()) |
| 337 | PushOnScopeChains(Context.getBuiltinVaListDecl(), TUScope); |
| 338 | } |
| 339 | |
| 340 | Sema::~Sema() { |
| 341 | if (VisContext) FreeVisContext(); |
| 342 | |
| 343 | |
| 344 | for (sema::FunctionScopeInfo *FSI : FunctionScopes) |
| 345 | if (FSI != PreallocatedFunctionScope.get()) |
| 346 | delete FSI; |
| 347 | |
| 348 | |
| 349 | if (SemaConsumer *SC = dyn_cast<SemaConsumer>(&Consumer)) |
| 350 | SC->ForgetSema(); |
| 351 | |
| 352 | |
| 353 | if (ExternalSemaSource *ExternalSema |
| 354 | = dyn_cast_or_null<ExternalSemaSource>(Context.getExternalSource())) |
| 355 | ExternalSema->ForgetSema(); |
| 356 | |
| 357 | |
| 358 | if (isMultiplexExternalSource) |
| 359 | delete ExternalSource; |
| 360 | |
| 361 | threadSafety::threadSafetyCleanup(ThreadSafetyDeclCache); |
| 362 | |
| 363 | |
| 364 | DestroyDataSharingAttributesStack(); |
| 365 | |
| 366 | |
| 367 | |
| 368 | SemaPPCallbackHandler->reset(); |
| 369 | |
| 370 | (0) . __assert_fail ("DelayedTypos.empty() && \"Uncorrected typos!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 370, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(DelayedTypos.empty() && "Uncorrected typos!"); |
| 371 | } |
| 372 | |
| 373 | |
| 374 | |
| 375 | |
| 376 | |
| 377 | bool Sema::(SourceLocation loc, |
| 378 | UnavailableAttr::ImplicitReason reason) { |
| 379 | |
| 380 | FunctionDecl *fn = dyn_cast<FunctionDecl>(CurContext); |
| 381 | if (!fn) return false; |
| 382 | |
| 383 | |
| 384 | if (inTemplateInstantiation()) |
| 385 | return false; |
| 386 | |
| 387 | |
| 388 | if (!Context.getSourceManager().isInSystemHeader(loc)) |
| 389 | return false; |
| 390 | |
| 391 | |
| 392 | if (fn->hasAttr<UnavailableAttr>()) return true; |
| 393 | |
| 394 | fn->addAttr(UnavailableAttr::CreateImplicit(Context, "", reason, loc)); |
| 395 | return true; |
| 396 | } |
| 397 | |
| 398 | ASTMutationListener *Sema::getASTMutationListener() const { |
| 399 | return getASTConsumer().GetASTMutationListener(); |
| 400 | } |
| 401 | |
| 402 | |
| 403 | |
| 404 | |
| 405 | |
| 406 | |
| 407 | void Sema::addExternalSource(ExternalSemaSource *E) { |
| 408 | (0) . __assert_fail ("E && \"Cannot use with NULL ptr\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 408, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(E && "Cannot use with NULL ptr"); |
| 409 | |
| 410 | if (!ExternalSource) { |
| 411 | ExternalSource = E; |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | if (isMultiplexExternalSource) |
| 416 | static_cast<MultiplexExternalSemaSource*>(ExternalSource)->addSource(*E); |
| 417 | else { |
| 418 | ExternalSource = new MultiplexExternalSemaSource(*ExternalSource, *E); |
| 419 | isMultiplexExternalSource = true; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | |
| 424 | void Sema::PrintStats() const { |
| 425 | llvm::errs() << "\n*** Semantic Analysis Stats:\n"; |
| 426 | llvm::errs() << NumSFINAEErrors << " SFINAE diagnostics trapped.\n"; |
| 427 | |
| 428 | BumpAlloc.PrintStats(); |
| 429 | AnalysisWarnings.PrintStats(); |
| 430 | } |
| 431 | |
| 432 | void Sema::diagnoseNullableToNonnullConversion(QualType DstType, |
| 433 | QualType SrcType, |
| 434 | SourceLocation Loc) { |
| 435 | Optional<NullabilityKind> ExprNullability = SrcType->getNullability(Context); |
| 436 | if (!ExprNullability || *ExprNullability != NullabilityKind::Nullable) |
| 437 | return; |
| 438 | |
| 439 | Optional<NullabilityKind> TypeNullability = DstType->getNullability(Context); |
| 440 | if (!TypeNullability || *TypeNullability != NullabilityKind::NonNull) |
| 441 | return; |
| 442 | |
| 443 | Diag(Loc, diag::warn_nullability_lost) << SrcType << DstType; |
| 444 | } |
| 445 | |
| 446 | void Sema::diagnoseZeroToNullptrConversion(CastKind Kind, const Expr* E) { |
| 447 | if (Diags.isIgnored(diag::warn_zero_as_null_pointer_constant, |
| 448 | E->getBeginLoc())) |
| 449 | return; |
| 450 | |
| 451 | if (!getLangOpts().CPlusPlus11) |
| 452 | return; |
| 453 | |
| 454 | if (Kind != CK_NullToPointer && Kind != CK_NullToMemberPointer) |
| 455 | return; |
| 456 | if (E->IgnoreParenImpCasts()->getType()->isNullPtrType()) |
| 457 | return; |
| 458 | |
| 459 | |
| 460 | |
| 461 | SourceLocation MaybeMacroLoc = E->getBeginLoc(); |
| 462 | if (Diags.getSuppressSystemWarnings() && |
| 463 | SourceMgr.isInSystemMacro(MaybeMacroLoc) && |
| 464 | !findMacroSpelling(MaybeMacroLoc, "NULL")) |
| 465 | return; |
| 466 | |
| 467 | Diag(E->getBeginLoc(), diag::warn_zero_as_null_pointer_constant) |
| 468 | << FixItHint::CreateReplacement(E->getSourceRange(), "nullptr"); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | |
| 473 | |
| 474 | ExprResult Sema::ImpCastExprToType(Expr *E, QualType Ty, |
| 475 | CastKind Kind, ExprValueKind VK, |
| 476 | const CXXCastPath *BasePath, |
| 477 | CheckedConversionKind CCK) { |
| 478 | #ifndef NDEBUG |
| 479 | if (VK == VK_RValue && !E->isRValue()) { |
| 480 | switch (Kind) { |
| 481 | default: |
| 482 | llvm_unreachable("can't implicitly cast lvalue to rvalue with this cast " |
| 483 | "kind"); |
| 484 | case CK_LValueToRValue: |
| 485 | case CK_ArrayToPointerDecay: |
| 486 | case CK_FunctionToPointerDecay: |
| 487 | case CK_ToVoid: |
| 488 | case CK_NonAtomicToAtomic: |
| 489 | break; |
| 490 | } |
| 491 | } |
| 492 | (0) . __assert_fail ("(VK == VK_RValue || !E->isRValue()) && \"can't cast rvalue to lvalue\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 492, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((VK == VK_RValue || !E->isRValue()) && "can't cast rvalue to lvalue"); |
| 493 | #endif |
| 494 | |
| 495 | diagnoseNullableToNonnullConversion(Ty, E->getType(), E->getBeginLoc()); |
| 496 | diagnoseZeroToNullptrConversion(Kind, E); |
| 497 | |
| 498 | QualType ExprTy = Context.getCanonicalType(E->getType()); |
| 499 | QualType TypeTy = Context.getCanonicalType(Ty); |
| 500 | |
| 501 | if (ExprTy == TypeTy) |
| 502 | return E; |
| 503 | |
| 504 | |
| 505 | |
| 506 | if (Kind == CK_ArrayToPointerDecay && getLangOpts().CPlusPlus && |
| 507 | E->getValueKind() == VK_RValue) { |
| 508 | |
| 509 | ExprResult Materialized = CreateMaterializeTemporaryExpr( |
| 510 | E->getType(), E, !getLangOpts().CPlusPlus11); |
| 511 | if (Materialized.isInvalid()) |
| 512 | return ExprError(); |
| 513 | E = Materialized.get(); |
| 514 | } |
| 515 | |
| 516 | if (ImplicitCastExpr *ImpCast = dyn_cast<ImplicitCastExpr>(E)) { |
| 517 | if (ImpCast->getCastKind() == Kind && (!BasePath || BasePath->empty())) { |
| 518 | ImpCast->setType(Ty); |
| 519 | ImpCast->setValueKind(VK); |
| 520 | return E; |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | return ImplicitCastExpr::Create(Context, Ty, Kind, E, BasePath, VK); |
| 525 | } |
| 526 | |
| 527 | |
| 528 | |
| 529 | CastKind Sema::ScalarTypeToBooleanCastKind(QualType ScalarTy) { |
| 530 | switch (ScalarTy->getScalarTypeKind()) { |
| 531 | case Type::STK_Bool: return CK_NoOp; |
| 532 | case Type::STK_CPointer: return CK_PointerToBoolean; |
| 533 | case Type::STK_BlockPointer: return CK_PointerToBoolean; |
| 534 | case Type::STK_ObjCObjectPointer: return CK_PointerToBoolean; |
| 535 | case Type::STK_MemberPointer: return CK_MemberPointerToBoolean; |
| 536 | case Type::STK_Integral: return CK_IntegralToBoolean; |
| 537 | case Type::STK_Floating: return CK_FloatingToBoolean; |
| 538 | case Type::STK_IntegralComplex: return CK_IntegralComplexToBoolean; |
| 539 | case Type::STK_FloatingComplex: return CK_FloatingComplexToBoolean; |
| 540 | case Type::STK_FixedPoint: return CK_FixedPointToBoolean; |
| 541 | } |
| 542 | llvm_unreachable("unknown scalar type kind"); |
| 543 | } |
| 544 | |
| 545 | |
| 546 | static bool ShouldRemoveFromUnused(Sema *SemaRef, const DeclaratorDecl *D) { |
| 547 | if (D->getMostRecentDecl()->isUsed()) |
| 548 | return true; |
| 549 | |
| 550 | if (D->isExternallyVisible()) |
| 551 | return true; |
| 552 | |
| 553 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
| 554 | |
| 555 | |
| 556 | if (FunctionTemplateDecl *Template = FD->getDescribedFunctionTemplate()) |
| 557 | for (const auto *Spec : Template->specializations()) |
| 558 | if (ShouldRemoveFromUnused(SemaRef, Spec)) |
| 559 | return true; |
| 560 | |
| 561 | |
| 562 | |
| 563 | const FunctionDecl *DeclToCheck; |
| 564 | if (FD->hasBody(DeclToCheck)) |
| 565 | return !SemaRef->ShouldWarnIfUnusedFileScopedDecl(DeclToCheck); |
| 566 | |
| 567 | |
| 568 | |
| 569 | DeclToCheck = FD->getMostRecentDecl(); |
| 570 | if (DeclToCheck != FD) |
| 571 | return !SemaRef->ShouldWarnIfUnusedFileScopedDecl(DeclToCheck); |
| 572 | } |
| 573 | |
| 574 | if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { |
| 575 | |
| 576 | |
| 577 | |
| 578 | |
| 579 | |
| 580 | if (VD->isReferenced() && |
| 581 | VD->isUsableInConstantExpressions(SemaRef->Context)) |
| 582 | return true; |
| 583 | |
| 584 | if (VarTemplateDecl *Template = VD->getDescribedVarTemplate()) |
| 585 | |
| 586 | |
| 587 | for (const auto *Spec : Template->specializations()) |
| 588 | if (ShouldRemoveFromUnused(SemaRef, Spec)) |
| 589 | return true; |
| 590 | |
| 591 | |
| 592 | |
| 593 | const VarDecl *DeclToCheck = VD->getDefinition(); |
| 594 | if (DeclToCheck) |
| 595 | return !SemaRef->ShouldWarnIfUnusedFileScopedDecl(DeclToCheck); |
| 596 | |
| 597 | |
| 598 | |
| 599 | DeclToCheck = VD->getMostRecentDecl(); |
| 600 | if (DeclToCheck != VD) |
| 601 | return !SemaRef->ShouldWarnIfUnusedFileScopedDecl(DeclToCheck); |
| 602 | } |
| 603 | |
| 604 | return false; |
| 605 | } |
| 606 | |
| 607 | static bool isFunctionOrVarDeclExternC(NamedDecl *ND) { |
| 608 | if (auto *FD = dyn_cast<FunctionDecl>(ND)) |
| 609 | return FD->isExternC(); |
| 610 | return cast<VarDecl>(ND)->isExternC(); |
| 611 | } |
| 612 | |
| 613 | |
| 614 | |
| 615 | bool Sema::isExternalWithNoLinkageType(ValueDecl *VD) { |
| 616 | |
| 617 | |
| 618 | |
| 619 | return getLangOpts().CPlusPlus && VD->hasExternalFormalLinkage() && |
| 620 | !isExternalFormalLinkage(VD->getType()->getLinkage()) && |
| 621 | !isFunctionOrVarDeclExternC(VD); |
| 622 | } |
| 623 | |
| 624 | |
| 625 | |
| 626 | void Sema::getUndefinedButUsed( |
| 627 | SmallVectorImpl<std::pair<NamedDecl *, SourceLocation> > &Undefined) { |
| 628 | for (const auto &UndefinedUse : UndefinedButUsed) { |
| 629 | NamedDecl *ND = UndefinedUse.first; |
| 630 | |
| 631 | |
| 632 | if (ND->isInvalidDecl()) continue; |
| 633 | |
| 634 | |
| 635 | if (ND->hasAttr<WeakRefAttr>()) continue; |
| 636 | |
| 637 | if (isa<CXXDeductionGuideDecl>(ND)) |
| 638 | continue; |
| 639 | |
| 640 | if (ND->hasAttr<DLLImportAttr>() || ND->hasAttr<DLLExportAttr>()) { |
| 641 | |
| 642 | |
| 643 | |
| 644 | continue; |
| 645 | } |
| 646 | |
| 647 | if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { |
| 648 | if (FD->isDefined()) |
| 649 | continue; |
| 650 | if (FD->isExternallyVisible() && |
| 651 | !isExternalWithNoLinkageType(FD) && |
| 652 | !FD->getMostRecentDecl()->isInlined() && |
| 653 | !FD->hasAttr<ExcludeFromExplicitInstantiationAttr>()) |
| 654 | continue; |
| 655 | if (FD->getBuiltinID()) |
| 656 | continue; |
| 657 | } else { |
| 658 | auto *VD = cast<VarDecl>(ND); |
| 659 | if (VD->hasDefinition() != VarDecl::DeclarationOnly) |
| 660 | continue; |
| 661 | if (VD->isExternallyVisible() && |
| 662 | !isExternalWithNoLinkageType(VD) && |
| 663 | !VD->getMostRecentDecl()->isInline() && |
| 664 | !VD->hasAttr<ExcludeFromExplicitInstantiationAttr>()) |
| 665 | continue; |
| 666 | |
| 667 | |
| 668 | |
| 669 | if (VD->isKnownToBeDefined()) |
| 670 | continue; |
| 671 | } |
| 672 | |
| 673 | Undefined.push_back(std::make_pair(ND, UndefinedUse.second)); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | |
| 678 | |
| 679 | static void checkUndefinedButUsed(Sema &S) { |
| 680 | if (S.UndefinedButUsed.empty()) return; |
| 681 | |
| 682 | |
| 683 | SmallVector<std::pair<NamedDecl *, SourceLocation>, 16> Undefined; |
| 684 | S.getUndefinedButUsed(Undefined); |
| 685 | if (Undefined.empty()) return; |
| 686 | |
| 687 | for (auto Undef : Undefined) { |
| 688 | ValueDecl *VD = cast<ValueDecl>(Undef.first); |
| 689 | SourceLocation UseLoc = Undef.second; |
| 690 | |
| 691 | if (S.isExternalWithNoLinkageType(VD)) { |
| 692 | |
| 693 | |
| 694 | |
| 695 | |
| 696 | |
| 697 | |
| 698 | |
| 699 | |
| 700 | |
| 701 | S.Diag(VD->getLocation(), isExternallyVisible(VD->getType()->getLinkage()) |
| 702 | ? diag::ext_undefined_internal_type |
| 703 | : diag::err_undefined_internal_type) |
| 704 | << isa<VarDecl>(VD) << VD; |
| 705 | } else if (!VD->isExternallyVisible()) { |
| 706 | |
| 707 | |
| 708 | |
| 709 | S.Diag(VD->getLocation(), diag::warn_undefined_internal) |
| 710 | << isa<VarDecl>(VD) << VD; |
| 711 | } else if (auto *FD = dyn_cast<FunctionDecl>(VD)) { |
| 712 | (void)FD; |
| 713 | (0) . __assert_fail ("FD->getMostRecentDecl()->isInlined() && \"used object requires definition but isn't inline or internal?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 714, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(FD->getMostRecentDecl()->isInlined() && |
| 714 | (0) . __assert_fail ("FD->getMostRecentDecl()->isInlined() && \"used object requires definition but isn't inline or internal?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 714, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "used object requires definition but isn't inline or internal?"); |
| 715 | |
| 716 | S.Diag(VD->getLocation(), diag::warn_undefined_inline) << VD; |
| 717 | } else { |
| 718 | (0) . __assert_fail ("cast(VD)->getMostRecentDecl()->isInline() && \"used var requires definition but isn't inline or internal?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 719, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(cast<VarDecl>(VD)->getMostRecentDecl()->isInline() && |
| 719 | (0) . __assert_fail ("cast(VD)->getMostRecentDecl()->isInline() && \"used var requires definition but isn't inline or internal?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 719, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "used var requires definition but isn't inline or internal?"); |
| 720 | S.Diag(VD->getLocation(), diag::err_undefined_inline_var) << VD; |
| 721 | } |
| 722 | if (UseLoc.isValid()) |
| 723 | S.Diag(UseLoc, diag::note_used_here); |
| 724 | } |
| 725 | |
| 726 | S.UndefinedButUsed.clear(); |
| 727 | } |
| 728 | |
| 729 | void Sema::LoadExternalWeakUndeclaredIdentifiers() { |
| 730 | if (!ExternalSource) |
| 731 | return; |
| 732 | |
| 733 | SmallVector<std::pair<IdentifierInfo *, WeakInfo>, 4> WeakIDs; |
| 734 | ExternalSource->ReadWeakUndeclaredIdentifiers(WeakIDs); |
| 735 | for (auto &WeakID : WeakIDs) |
| 736 | WeakUndeclaredIdentifiers.insert(WeakID); |
| 737 | } |
| 738 | |
| 739 | |
| 740 | typedef llvm::DenseMap<const CXXRecordDecl*, bool> RecordCompleteMap; |
| 741 | |
| 742 | |
| 743 | |
| 744 | |
| 745 | |
| 746 | |
| 747 | static bool MethodsAndNestedClassesComplete(const CXXRecordDecl *RD, |
| 748 | RecordCompleteMap &MNCComplete) { |
| 749 | RecordCompleteMap::iterator Cache = MNCComplete.find(RD); |
| 750 | if (Cache != MNCComplete.end()) |
| 751 | return Cache->second; |
| 752 | if (!RD->isCompleteDefinition()) |
| 753 | return false; |
| 754 | bool Complete = true; |
| 755 | for (DeclContext::decl_iterator I = RD->decls_begin(), |
| 756 | E = RD->decls_end(); |
| 757 | I != E && Complete; ++I) { |
| 758 | if (const CXXMethodDecl *M = dyn_cast<CXXMethodDecl>(*I)) |
| 759 | Complete = M->isDefined() || M->isDefaulted() || |
| 760 | (M->isPure() && !isa<CXXDestructorDecl>(M)); |
| 761 | else if (const FunctionTemplateDecl *F = dyn_cast<FunctionTemplateDecl>(*I)) |
| 762 | |
| 763 | |
| 764 | |
| 765 | |
| 766 | Complete = !F->getTemplatedDecl()->isLateTemplateParsed() && |
| 767 | F->getTemplatedDecl()->isDefined(); |
| 768 | else if (const CXXRecordDecl *R = dyn_cast<CXXRecordDecl>(*I)) { |
| 769 | if (R->isInjectedClassName()) |
| 770 | continue; |
| 771 | if (R->hasDefinition()) |
| 772 | Complete = MethodsAndNestedClassesComplete(R->getDefinition(), |
| 773 | MNCComplete); |
| 774 | else |
| 775 | Complete = false; |
| 776 | } |
| 777 | } |
| 778 | MNCComplete[RD] = Complete; |
| 779 | return Complete; |
| 780 | } |
| 781 | |
| 782 | |
| 783 | |
| 784 | |
| 785 | |
| 786 | |
| 787 | |
| 788 | |
| 789 | static bool IsRecordFullyDefined(const CXXRecordDecl *RD, |
| 790 | RecordCompleteMap &RecordsComplete, |
| 791 | RecordCompleteMap &MNCComplete) { |
| 792 | RecordCompleteMap::iterator Cache = RecordsComplete.find(RD); |
| 793 | if (Cache != RecordsComplete.end()) |
| 794 | return Cache->second; |
| 795 | bool Complete = MethodsAndNestedClassesComplete(RD, MNCComplete); |
| 796 | for (CXXRecordDecl::friend_iterator I = RD->friend_begin(), |
| 797 | E = RD->friend_end(); |
| 798 | I != E && Complete; ++I) { |
| 799 | |
| 800 | if (TypeSourceInfo *TSI = (*I)->getFriendType()) { |
| 801 | |
| 802 | if (CXXRecordDecl *FriendD = TSI->getType()->getAsCXXRecordDecl()) |
| 803 | Complete = MethodsAndNestedClassesComplete(FriendD, MNCComplete); |
| 804 | else |
| 805 | Complete = false; |
| 806 | } else { |
| 807 | |
| 808 | if (const FunctionDecl *FD = |
| 809 | dyn_cast<FunctionDecl>((*I)->getFriendDecl())) |
| 810 | Complete = FD->isDefined(); |
| 811 | else |
| 812 | |
| 813 | Complete = false; |
| 814 | } |
| 815 | } |
| 816 | RecordsComplete[RD] = Complete; |
| 817 | return Complete; |
| 818 | } |
| 819 | |
| 820 | void Sema::emitAndClearUnusedLocalTypedefWarnings() { |
| 821 | if (ExternalSource) |
| 822 | ExternalSource->ReadUnusedLocalTypedefNameCandidates( |
| 823 | UnusedLocalTypedefNameCandidates); |
| 824 | for (const TypedefNameDecl *TD : UnusedLocalTypedefNameCandidates) { |
| 825 | if (TD->isReferenced()) |
| 826 | continue; |
| 827 | Diag(TD->getLocation(), diag::warn_unused_local_typedef) |
| 828 | << isa<TypeAliasDecl>(TD) << TD->getDeclName(); |
| 829 | } |
| 830 | UnusedLocalTypedefNameCandidates.clear(); |
| 831 | } |
| 832 | |
| 833 | |
| 834 | |
| 835 | |
| 836 | void Sema::ActOnStartOfTranslationUnit() { |
| 837 | if (getLangOpts().ModulesTS && |
| 838 | (getLangOpts().getCompilingModule() == LangOptions::CMK_ModuleInterface || |
| 839 | getLangOpts().getCompilingModule() == LangOptions::CMK_None)) { |
| 840 | SourceLocation StartOfTU = |
| 841 | SourceMgr.getLocForStartOfFile(SourceMgr.getMainFileID()); |
| 842 | |
| 843 | |
| 844 | |
| 845 | auto &Map = PP.getHeaderSearchInfo().getModuleMap(); |
| 846 | auto *GlobalModule = Map.createGlobalModuleForInterfaceUnit(StartOfTU); |
| 847 | (0) . __assert_fail ("GlobalModule && \"module creation should not fail\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 847, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(GlobalModule && "module creation should not fail"); |
| 848 | |
| 849 | |
| 850 | ModuleScopes.push_back({}); |
| 851 | ModuleScopes.back().Module = GlobalModule; |
| 852 | VisibleModules.setVisible(GlobalModule, StartOfTU); |
| 853 | |
| 854 | |
| 855 | auto *TU = Context.getTranslationUnitDecl(); |
| 856 | TU->setModuleOwnershipKind(Decl::ModuleOwnershipKind::Visible); |
| 857 | TU->setLocalOwningModule(GlobalModule); |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | |
| 862 | |
| 863 | |
| 864 | void Sema::ActOnEndOfTranslationUnit() { |
| 865 | (0) . __assert_fail ("DelayedDiagnostics.getCurrentPool() == nullptr && \"reached end of translation unit with a pool attached?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 866, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(DelayedDiagnostics.getCurrentPool() == nullptr |
| 866 | (0) . __assert_fail ("DelayedDiagnostics.getCurrentPool() == nullptr && \"reached end of translation unit with a pool attached?\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 866, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> && "reached end of translation unit with a pool attached?"); |
| 867 | |
| 868 | |
| 869 | |
| 870 | if (PP.isCodeCompletionEnabled()) |
| 871 | return; |
| 872 | |
| 873 | |
| 874 | |
| 875 | |
| 876 | |
| 877 | |
| 878 | |
| 879 | |
| 880 | |
| 881 | |
| 882 | PendingInstantiations.insert(PendingInstantiations.end(), |
| 883 | LateParsedInstantiations.begin(), |
| 884 | LateParsedInstantiations.end()); |
| 885 | LateParsedInstantiations.clear(); |
| 886 | |
| 887 | |
| 888 | |
| 889 | if (TUKind != TU_Prefix) { |
| 890 | DiagnoseUseOfUnimplementedSelectors(); |
| 891 | |
| 892 | |
| 893 | |
| 894 | |
| 895 | DefineUsedVTables(); |
| 896 | |
| 897 | |
| 898 | |
| 899 | |
| 900 | |
| 901 | |
| 902 | |
| 903 | |
| 904 | |
| 905 | |
| 906 | if (ExternalSource) { |
| 907 | |
| 908 | SmallVector<PendingImplicitInstantiation, 4> Pending; |
| 909 | ExternalSource->ReadPendingInstantiations(Pending); |
| 910 | for (auto PII : Pending) |
| 911 | if (auto Func = dyn_cast<FunctionDecl>(PII.first)) |
| 912 | Func->setInstantiationIsPending(true); |
| 913 | PendingInstantiations.insert(PendingInstantiations.begin(), |
| 914 | Pending.begin(), Pending.end()); |
| 915 | } |
| 916 | |
| 917 | PerformPendingInstantiations(); |
| 918 | |
| 919 | (0) . __assert_fail ("LateParsedInstantiations.empty() && \"end of TU template instantiation should not create more \" \"late-parsed templates\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 921, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(LateParsedInstantiations.empty() && |
| 920 | (0) . __assert_fail ("LateParsedInstantiations.empty() && \"end of TU template instantiation should not create more \" \"late-parsed templates\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 921, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "end of TU template instantiation should not create more " |
| 921 | (0) . __assert_fail ("LateParsedInstantiations.empty() && \"end of TU template instantiation should not create more \" \"late-parsed templates\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 921, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "late-parsed templates"); |
| 922 | |
| 923 | if (LateTemplateParserCleanup) |
| 924 | LateTemplateParserCleanup(OpaqueParser); |
| 925 | |
| 926 | CheckDelayedMemberExceptionSpecs(); |
| 927 | } |
| 928 | |
| 929 | DiagnoseUnterminatedPragmaPack(); |
| 930 | DiagnoseUnterminatedPragmaAttribute(); |
| 931 | |
| 932 | |
| 933 | |
| 934 | assert(DelayedOverridingExceptionSpecChecks.empty()); |
| 935 | assert(DelayedEquivalentExceptionSpecChecks.empty()); |
| 936 | assert(DelayedDefaultedMemberExceptionSpecs.empty()); |
| 937 | |
| 938 | |
| 939 | assert(DelayedDllExportClasses.empty()); |
| 940 | |
| 941 | |
| 942 | UnusedFileScopedDecls.erase( |
| 943 | std::remove_if(UnusedFileScopedDecls.begin(nullptr, true), |
| 944 | UnusedFileScopedDecls.end(), |
| 945 | [this](const DeclaratorDecl *DD) { |
| 946 | return ShouldRemoveFromUnused(this, DD); |
| 947 | }), |
| 948 | UnusedFileScopedDecls.end()); |
| 949 | |
| 950 | if (TUKind == TU_Prefix) { |
| 951 | |
| 952 | if (!PP.isIncrementalProcessingEnabled()) |
| 953 | TUScope = nullptr; |
| 954 | return; |
| 955 | } |
| 956 | |
| 957 | |
| 958 | LoadExternalWeakUndeclaredIdentifiers(); |
| 959 | for (auto WeakID : WeakUndeclaredIdentifiers) { |
| 960 | if (WeakID.second.getUsed()) |
| 961 | continue; |
| 962 | |
| 963 | Decl *PrevDecl = LookupSingleName(TUScope, WeakID.first, SourceLocation(), |
| 964 | LookupOrdinaryName); |
| 965 | if (PrevDecl != nullptr && |
| 966 | !(isa<FunctionDecl>(PrevDecl) || isa<VarDecl>(PrevDecl))) |
| 967 | Diag(WeakID.second.getLocation(), diag::warn_attribute_wrong_decl_type) |
| 968 | << "'weak'" << ExpectedVariableOrFunction; |
| 969 | else |
| 970 | Diag(WeakID.second.getLocation(), diag::warn_weak_identifier_undeclared) |
| 971 | << WeakID.first; |
| 972 | } |
| 973 | |
| 974 | if (LangOpts.CPlusPlus11 && |
| 975 | !Diags.isIgnored(diag::warn_delegating_ctor_cycle, SourceLocation())) |
| 976 | CheckDelegatingCtorCycles(); |
| 977 | |
| 978 | if (!Diags.hasErrorOccurred()) { |
| 979 | if (ExternalSource) |
| 980 | ExternalSource->ReadUndefinedButUsed(UndefinedButUsed); |
| 981 | checkUndefinedButUsed(*this); |
| 982 | } |
| 983 | |
| 984 | if (TUKind == TU_Module) { |
| 985 | |
| 986 | |
| 987 | if (getLangOpts().getCompilingModule() == |
| 988 | LangOptions::CMK_ModuleInterface && |
| 989 | (ModuleScopes.empty() || |
| 990 | ModuleScopes.back().Module->Kind != Module::ModuleInterfaceUnit)) { |
| 991 | |
| 992 | Diag(getSourceManager().getLocForStartOfFile( |
| 993 | getSourceManager().getMainFileID()), |
| 994 | diag::err_module_declaration_missing); |
| 995 | } |
| 996 | |
| 997 | |
| 998 | |
| 999 | if (Module *CurrentModule = PP.getCurrentModule()) { |
| 1000 | ModuleMap &ModMap = PP.getHeaderSearchInfo().getModuleMap(); |
| 1001 | |
| 1002 | SmallVector<Module *, 2> Stack; |
| 1003 | Stack.push_back(CurrentModule); |
| 1004 | while (!Stack.empty()) { |
| 1005 | Module *Mod = Stack.pop_back_val(); |
| 1006 | |
| 1007 | |
| 1008 | |
| 1009 | |
| 1010 | |
| 1011 | ModMap.resolveExports(Mod, ); |
| 1012 | ModMap.resolveUses(Mod, ); |
| 1013 | ModMap.resolveConflicts(Mod, ); |
| 1014 | |
| 1015 | |
| 1016 | Stack.append(Mod->submodule_begin(), Mod->submodule_end()); |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | |
| 1021 | |
| 1022 | emitAndClearUnusedLocalTypedefWarnings(); |
| 1023 | } |
| 1024 | |
| 1025 | |
| 1026 | |
| 1027 | |
| 1028 | |
| 1029 | |
| 1030 | |
| 1031 | |
| 1032 | |
| 1033 | |
| 1034 | |
| 1035 | |
| 1036 | llvm::SmallSet<VarDecl *, 32> Seen; |
| 1037 | for (TentativeDefinitionsType::iterator |
| 1038 | T = TentativeDefinitions.begin(ExternalSource), |
| 1039 | TEnd = TentativeDefinitions.end(); |
| 1040 | T != TEnd; ++T) { |
| 1041 | VarDecl *VD = (*T)->getActingDefinition(); |
| 1042 | |
| 1043 | |
| 1044 | |
| 1045 | |
| 1046 | if (!VD || VD->isInvalidDecl() || !Seen.insert(VD).second) |
| 1047 | continue; |
| 1048 | |
| 1049 | if (const IncompleteArrayType *ArrayT |
| 1050 | = Context.getAsIncompleteArrayType(VD->getType())) { |
| 1051 | |
| 1052 | Diag(VD->getLocation(), diag::warn_tentative_incomplete_array); |
| 1053 | llvm::APInt One(Context.getTypeSize(Context.getSizeType()), true); |
| 1054 | QualType T = Context.getConstantArrayType(ArrayT->getElementType(), |
| 1055 | One, ArrayType::Normal, 0); |
| 1056 | VD->setType(T); |
| 1057 | } else if (RequireCompleteType(VD->getLocation(), VD->getType(), |
| 1058 | diag::err_tentative_def_incomplete_type)) |
| 1059 | VD->setInvalidDecl(); |
| 1060 | |
| 1061 | |
| 1062 | CheckCompleteVariableDeclaration(VD); |
| 1063 | |
| 1064 | |
| 1065 | if (!VD->isInvalidDecl()) |
| 1066 | Consumer.CompleteTentativeDefinition(VD); |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | |
| 1071 | |
| 1072 | |
| 1073 | if (!Diags.hasErrorOccurred() && TUKind != TU_Module) { |
| 1074 | |
| 1075 | for (UnusedFileScopedDeclsType::iterator |
| 1076 | I = UnusedFileScopedDecls.begin(ExternalSource), |
| 1077 | E = UnusedFileScopedDecls.end(); I != E; ++I) { |
| 1078 | if (ShouldRemoveFromUnused(this, *I)) |
| 1079 | continue; |
| 1080 | |
| 1081 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { |
| 1082 | const FunctionDecl *DiagD; |
| 1083 | if (!FD->hasBody(DiagD)) |
| 1084 | DiagD = FD; |
| 1085 | if (DiagD->isDeleted()) |
| 1086 | continue; |
| 1087 | if (DiagD->isReferenced()) { |
| 1088 | if (isa<CXXMethodDecl>(DiagD)) |
| 1089 | Diag(DiagD->getLocation(), diag::warn_unneeded_member_function) |
| 1090 | << DiagD->getDeclName(); |
| 1091 | else { |
| 1092 | if (FD->getStorageClass() == SC_Static && |
| 1093 | !FD->isInlineSpecified() && |
| 1094 | !SourceMgr.isInMainFile( |
| 1095 | SourceMgr.getExpansionLoc(FD->getLocation()))) |
| 1096 | Diag(DiagD->getLocation(), |
| 1097 | diag::warn_unneeded_static_internal_decl) |
| 1098 | << DiagD->getDeclName(); |
| 1099 | else |
| 1100 | Diag(DiagD->getLocation(), diag::warn_unneeded_internal_decl) |
| 1101 | << << DiagD->getDeclName(); |
| 1102 | } |
| 1103 | } else { |
| 1104 | if (FD->getDescribedFunctionTemplate()) |
| 1105 | Diag(DiagD->getLocation(), diag::warn_unused_template) |
| 1106 | << << DiagD->getDeclName(); |
| 1107 | else |
| 1108 | Diag(DiagD->getLocation(), |
| 1109 | isa<CXXMethodDecl>(DiagD) ? diag::warn_unused_member_function |
| 1110 | : diag::warn_unused_function) |
| 1111 | << DiagD->getDeclName(); |
| 1112 | } |
| 1113 | } else { |
| 1114 | const VarDecl *DiagD = cast<VarDecl>(*I)->getDefinition(); |
| 1115 | if (!DiagD) |
| 1116 | DiagD = cast<VarDecl>(*I); |
| 1117 | if (DiagD->isReferenced()) { |
| 1118 | Diag(DiagD->getLocation(), diag::warn_unneeded_internal_decl) |
| 1119 | << << DiagD->getDeclName(); |
| 1120 | } else if (DiagD->getType().isConstQualified()) { |
| 1121 | const SourceManager &SM = SourceMgr; |
| 1122 | if (SM.getMainFileID() != SM.getFileID(DiagD->getLocation()) || |
| 1123 | !PP.getLangOpts().IsHeaderFile) |
| 1124 | Diag(DiagD->getLocation(), diag::warn_unused_const_variable) |
| 1125 | << DiagD->getDeclName(); |
| 1126 | } else { |
| 1127 | if (DiagD->getDescribedVarTemplate()) |
| 1128 | Diag(DiagD->getLocation(), diag::warn_unused_template) |
| 1129 | << << DiagD->getDeclName(); |
| 1130 | else |
| 1131 | Diag(DiagD->getLocation(), diag::warn_unused_variable) |
| 1132 | << DiagD->getDeclName(); |
| 1133 | } |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | emitAndClearUnusedLocalTypedefWarnings(); |
| 1138 | } |
| 1139 | |
| 1140 | if (!Diags.isIgnored(diag::warn_unused_private_field, SourceLocation())) { |
| 1141 | |
| 1142 | |
| 1143 | RecordCompleteMap RecordsComplete; |
| 1144 | RecordCompleteMap MNCComplete; |
| 1145 | for (NamedDeclSetType::iterator I = UnusedPrivateFields.begin(), |
| 1146 | E = UnusedPrivateFields.end(); I != E; ++I) { |
| 1147 | const NamedDecl *D = *I; |
| 1148 | const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D->getDeclContext()); |
| 1149 | if (RD && !RD->isUnion() && |
| 1150 | IsRecordFullyDefined(RD, RecordsComplete, MNCComplete)) { |
| 1151 | Diag(D->getLocation(), diag::warn_unused_private_field) |
| 1152 | << D->getDeclName(); |
| 1153 | } |
| 1154 | } |
| 1155 | } |
| 1156 | |
| 1157 | if (!Diags.isIgnored(diag::warn_mismatched_delete_new, SourceLocation())) { |
| 1158 | if (ExternalSource) |
| 1159 | ExternalSource->ReadMismatchingDeleteExpressions(DeleteExprs); |
| 1160 | for (const auto &DeletedFieldInfo : DeleteExprs) { |
| 1161 | for (const auto &DeleteExprLoc : DeletedFieldInfo.second) { |
| 1162 | AnalyzeDeleteExprMismatch(DeletedFieldInfo.first, DeleteExprLoc.first, |
| 1163 | DeleteExprLoc.second); |
| 1164 | } |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | |
| 1169 | |
| 1170 | |
| 1171 | (0) . __assert_fail ("ParsingInitForAutoVars.empty() && \"Didn't unmark var as having its initializer parsed\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1172, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(ParsingInitForAutoVars.empty() && |
| 1172 | (0) . __assert_fail ("ParsingInitForAutoVars.empty() && \"Didn't unmark var as having its initializer parsed\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1172, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Didn't unmark var as having its initializer parsed"); |
| 1173 | |
| 1174 | if (!PP.isIncrementalProcessingEnabled()) |
| 1175 | TUScope = nullptr; |
| 1176 | } |
| 1177 | |
| 1178 | |
| 1179 | |
| 1180 | |
| 1181 | |
| 1182 | |
| 1183 | DeclContext *Sema::getFunctionLevelDeclContext() { |
| 1184 | DeclContext *DC = CurContext; |
| 1185 | |
| 1186 | while (true) { |
| 1187 | if (isa<BlockDecl>(DC) || isa<EnumDecl>(DC) || isa<CapturedDecl>(DC)) { |
| 1188 | DC = DC->getParent(); |
| 1189 | } else if (isa<CXXMethodDecl>(DC) && |
| 1190 | cast<CXXMethodDecl>(DC)->getOverloadedOperator() == OO_Call && |
| 1191 | cast<CXXRecordDecl>(DC->getParent())->isLambda()) { |
| 1192 | DC = DC->getParent()->getParent(); |
| 1193 | } |
| 1194 | else break; |
| 1195 | } |
| 1196 | |
| 1197 | return DC; |
| 1198 | } |
| 1199 | |
| 1200 | |
| 1201 | |
| 1202 | |
| 1203 | FunctionDecl *Sema::getCurFunctionDecl() { |
| 1204 | DeclContext *DC = getFunctionLevelDeclContext(); |
| 1205 | return dyn_cast<FunctionDecl>(DC); |
| 1206 | } |
| 1207 | |
| 1208 | ObjCMethodDecl *Sema::getCurMethodDecl() { |
| 1209 | DeclContext *DC = getFunctionLevelDeclContext(); |
| 1210 | while (isa<RecordDecl>(DC)) |
| 1211 | DC = DC->getParent(); |
| 1212 | return dyn_cast<ObjCMethodDecl>(DC); |
| 1213 | } |
| 1214 | |
| 1215 | NamedDecl *Sema::getCurFunctionOrMethodDecl() { |
| 1216 | DeclContext *DC = getFunctionLevelDeclContext(); |
| 1217 | if (isa<ObjCMethodDecl>(DC) || isa<FunctionDecl>(DC)) |
| 1218 | return cast<NamedDecl>(DC); |
| 1219 | return nullptr; |
| 1220 | } |
| 1221 | |
| 1222 | void Sema::EmitCurrentDiagnostic(unsigned DiagID) { |
| 1223 | |
| 1224 | |
| 1225 | |
| 1226 | |
| 1227 | |
| 1228 | |
| 1229 | |
| 1230 | if (Optional<TemplateDeductionInfo*> Info = isSFINAEContext()) { |
| 1231 | switch (DiagnosticIDs::getDiagnosticSFINAEResponse( |
| 1232 | Diags.getCurrentDiagID())) { |
| 1233 | case DiagnosticIDs::SFINAE_Report: |
| 1234 | |
| 1235 | break; |
| 1236 | |
| 1237 | case DiagnosticIDs::SFINAE_SubstitutionFailure: |
| 1238 | |
| 1239 | |
| 1240 | ++NumSFINAEErrors; |
| 1241 | |
| 1242 | |
| 1243 | |
| 1244 | if (*Info && !(*Info)->hasSFINAEDiagnostic()) { |
| 1245 | Diagnostic DiagInfo(&Diags); |
| 1246 | (*Info)->addSFINAEDiagnostic(DiagInfo.getLocation(), |
| 1247 | PartialDiagnostic(DiagInfo, Context.getDiagAllocator())); |
| 1248 | } |
| 1249 | |
| 1250 | Diags.setLastDiagnosticIgnored(); |
| 1251 | Diags.Clear(); |
| 1252 | return; |
| 1253 | |
| 1254 | case DiagnosticIDs::SFINAE_AccessControl: { |
| 1255 | |
| 1256 | |
| 1257 | |
| 1258 | |
| 1259 | if (!AccessCheckingSFINAE && !getLangOpts().CPlusPlus11) |
| 1260 | break; |
| 1261 | |
| 1262 | SourceLocation Loc = Diags.getCurrentDiagLoc(); |
| 1263 | |
| 1264 | |
| 1265 | ++NumSFINAEErrors; |
| 1266 | |
| 1267 | |
| 1268 | |
| 1269 | if (*Info && !(*Info)->hasSFINAEDiagnostic()) { |
| 1270 | Diagnostic DiagInfo(&Diags); |
| 1271 | (*Info)->addSFINAEDiagnostic(DiagInfo.getLocation(), |
| 1272 | PartialDiagnostic(DiagInfo, Context.getDiagAllocator())); |
| 1273 | } |
| 1274 | |
| 1275 | Diags.setLastDiagnosticIgnored(); |
| 1276 | Diags.Clear(); |
| 1277 | |
| 1278 | |
| 1279 | |
| 1280 | Diag(Loc, diag::warn_cxx98_compat_sfinae_access_control); |
| 1281 | |
| 1282 | |
| 1283 | |
| 1284 | Diags.setLastDiagnosticIgnored(); |
| 1285 | return; |
| 1286 | } |
| 1287 | |
| 1288 | case DiagnosticIDs::SFINAE_Suppress: |
| 1289 | |
| 1290 | |
| 1291 | if (*Info) { |
| 1292 | Diagnostic DiagInfo(&Diags); |
| 1293 | (*Info)->addSuppressedDiagnostic(DiagInfo.getLocation(), |
| 1294 | PartialDiagnostic(DiagInfo, Context.getDiagAllocator())); |
| 1295 | } |
| 1296 | |
| 1297 | |
| 1298 | Diags.setLastDiagnosticIgnored(); |
| 1299 | Diags.Clear(); |
| 1300 | return; |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | |
| 1305 | |
| 1306 | Context.setPrintingPolicy(getPrintingPolicy()); |
| 1307 | |
| 1308 | |
| 1309 | if (!Diags.EmitCurrentDiagnostic()) |
| 1310 | return; |
| 1311 | |
| 1312 | |
| 1313 | |
| 1314 | |
| 1315 | |
| 1316 | if (!DiagnosticIDs::isBuiltinNote(DiagID)) |
| 1317 | PrintContextStack(); |
| 1318 | } |
| 1319 | |
| 1320 | Sema::SemaDiagnosticBuilder |
| 1321 | Sema::Diag(SourceLocation Loc, const PartialDiagnostic& PD) { |
| 1322 | SemaDiagnosticBuilder Builder(Diag(Loc, PD.getDiagID())); |
| 1323 | PD.Emit(Builder); |
| 1324 | |
| 1325 | return Builder; |
| 1326 | } |
| 1327 | |
| 1328 | |
| 1329 | |
| 1330 | static void emitCallStackNotes(Sema &S, FunctionDecl *FD) { |
| 1331 | auto FnIt = S.DeviceKnownEmittedFns.find(FD); |
| 1332 | while (FnIt != S.DeviceKnownEmittedFns.end()) { |
| 1333 | DiagnosticBuilder Builder( |
| 1334 | S.Diags.Report(FnIt->second.Loc, diag::note_called_by)); |
| 1335 | Builder << FnIt->second.FD; |
| 1336 | Builder.setForceEmit(); |
| 1337 | |
| 1338 | FnIt = S.DeviceKnownEmittedFns.find(FnIt->second.FD); |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | |
| 1343 | |
| 1344 | static void emitDeferredDiags(Sema &S, FunctionDecl *FD) { |
| 1345 | auto It = S.DeviceDeferredDiags.find(FD); |
| 1346 | if (It == S.DeviceDeferredDiags.end()) |
| 1347 | return; |
| 1348 | bool HasWarningOrError = false; |
| 1349 | for (PartialDiagnosticAt &PDAt : It->second) { |
| 1350 | const SourceLocation &Loc = PDAt.first; |
| 1351 | const PartialDiagnostic &PD = PDAt.second; |
| 1352 | HasWarningOrError |= S.getDiagnostics().getDiagnosticLevel( |
| 1353 | PD.getDiagID(), Loc) >= DiagnosticsEngine::Warning; |
| 1354 | DiagnosticBuilder Builder(S.Diags.Report(Loc, PD.getDiagID())); |
| 1355 | Builder.setForceEmit(); |
| 1356 | PD.Emit(Builder); |
| 1357 | } |
| 1358 | S.DeviceDeferredDiags.erase(It); |
| 1359 | |
| 1360 | |
| 1361 | |
| 1362 | |
| 1363 | if (HasWarningOrError) |
| 1364 | emitCallStackNotes(S, FD); |
| 1365 | } |
| 1366 | |
| 1367 | |
| 1368 | |
| 1369 | |
| 1370 | |
| 1371 | |
| 1372 | |
| 1373 | |
| 1374 | |
| 1375 | |
| 1376 | |
| 1377 | |
| 1378 | |
| 1379 | |
| 1380 | |
| 1381 | |
| 1382 | |
| 1383 | |
| 1384 | |
| 1385 | |
| 1386 | |
| 1387 | |
| 1388 | |
| 1389 | |
| 1390 | |
| 1391 | Sema::DeviceDiagBuilder::DeviceDiagBuilder(Kind K, SourceLocation Loc, |
| 1392 | unsigned DiagID, FunctionDecl *Fn, |
| 1393 | Sema &S) |
| 1394 | : S(S), Loc(Loc), DiagID(DiagID), Fn(Fn), |
| 1395 | ShowCallStack(K == K_ImmediateWithCallStack || K == K_Deferred) { |
| 1396 | switch (K) { |
| 1397 | case K_Nop: |
| 1398 | break; |
| 1399 | case K_Immediate: |
| 1400 | case K_ImmediateWithCallStack: |
| 1401 | ImmediateDiag.emplace(S.Diag(Loc, DiagID)); |
| 1402 | break; |
| 1403 | case K_Deferred: |
| 1404 | (0) . __assert_fail ("Fn && \"Must have a function to attach the deferred diag to.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1404, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(Fn && "Must have a function to attach the deferred diag to."); |
| 1405 | auto &Diags = S.DeviceDeferredDiags[Fn]; |
| 1406 | PartialDiagId.emplace(Diags.size()); |
| 1407 | Diags.emplace_back(Loc, S.PDiag(DiagID)); |
| 1408 | break; |
| 1409 | } |
| 1410 | } |
| 1411 | |
| 1412 | Sema::DeviceDiagBuilder::DeviceDiagBuilder(DeviceDiagBuilder &&D) |
| 1413 | : S(D.S), Loc(D.Loc), DiagID(D.DiagID), Fn(D.Fn), |
| 1414 | ShowCallStack(D.ShowCallStack), ImmediateDiag(D.ImmediateDiag), |
| 1415 | PartialDiagId(D.PartialDiagId) { |
| 1416 | |
| 1417 | D.ShowCallStack = false; |
| 1418 | D.ImmediateDiag.reset(); |
| 1419 | D.PartialDiagId.reset(); |
| 1420 | } |
| 1421 | |
| 1422 | Sema::DeviceDiagBuilder::~DeviceDiagBuilder() { |
| 1423 | if (ImmediateDiag) { |
| 1424 | |
| 1425 | |
| 1426 | bool IsWarningOrError = S.getDiagnostics().getDiagnosticLevel( |
| 1427 | DiagID, Loc) >= DiagnosticsEngine::Warning; |
| 1428 | ImmediateDiag.reset(); |
| 1429 | if (IsWarningOrError && ShowCallStack) |
| 1430 | emitCallStackNotes(S, Fn); |
| 1431 | } else { |
| 1432 | (0) . __assert_fail ("(!PartialDiagId || ShowCallStack) && \"Must always show call stack for deferred diags.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1433, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((!PartialDiagId || ShowCallStack) && |
| 1433 | (0) . __assert_fail ("(!PartialDiagId || ShowCallStack) && \"Must always show call stack for deferred diags.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1433, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Must always show call stack for deferred diags."); |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | |
| 1438 | |
| 1439 | |
| 1440 | void Sema::markKnownEmitted( |
| 1441 | Sema &S, FunctionDecl *OrigCaller, FunctionDecl *OrigCallee, |
| 1442 | SourceLocation OrigLoc, |
| 1443 | const llvm::function_ref<bool(Sema &, FunctionDecl *)> IsKnownEmitted) { |
| 1444 | |
| 1445 | if (IsKnownEmitted(S, OrigCallee)) { |
| 1446 | assert(!S.DeviceCallGraph.count(OrigCallee)); |
| 1447 | return; |
| 1448 | } |
| 1449 | |
| 1450 | |
| 1451 | |
| 1452 | |
| 1453 | struct CallInfo { |
| 1454 | FunctionDecl *Caller; |
| 1455 | FunctionDecl *Callee; |
| 1456 | SourceLocation Loc; |
| 1457 | }; |
| 1458 | llvm::SmallVector<CallInfo, 4> Worklist = {{OrigCaller, OrigCallee, OrigLoc}}; |
| 1459 | llvm::SmallSet<CanonicalDeclPtr<FunctionDecl>, 4> Seen; |
| 1460 | Seen.insert(OrigCallee); |
| 1461 | while (!Worklist.empty()) { |
| 1462 | CallInfo C = Worklist.pop_back_val(); |
| 1463 | (0) . __assert_fail ("!IsKnownEmitted(S, C.Callee) && \"Worklist should not contain known-emitted functions.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1464, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!IsKnownEmitted(S, C.Callee) && |
| 1464 | (0) . __assert_fail ("!IsKnownEmitted(S, C.Callee) && \"Worklist should not contain known-emitted functions.\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1464, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> "Worklist should not contain known-emitted functions."); |
| 1465 | S.DeviceKnownEmittedFns[C.Callee] = {C.Caller, C.Loc}; |
| 1466 | emitDeferredDiags(S, C.Callee); |
| 1467 | |
| 1468 | |
| 1469 | |
| 1470 | |
| 1471 | if (auto *Templ = C.Callee->getPrimaryTemplate()) { |
| 1472 | FunctionDecl *TemplFD = Templ->getAsFunction(); |
| 1473 | if (!Seen.count(TemplFD) && !S.DeviceKnownEmittedFns.count(TemplFD)) { |
| 1474 | Seen.insert(TemplFD); |
| 1475 | Worklist.push_back( |
| 1476 | { C.Caller, TemplFD, C.Loc}); |
| 1477 | } |
| 1478 | } |
| 1479 | |
| 1480 | |
| 1481 | auto CGIt = S.DeviceCallGraph.find(C.Callee); |
| 1482 | if (CGIt == S.DeviceCallGraph.end()) |
| 1483 | continue; |
| 1484 | |
| 1485 | for (std::pair<CanonicalDeclPtr<FunctionDecl>, SourceLocation> FDLoc : |
| 1486 | CGIt->second) { |
| 1487 | FunctionDecl *NewCallee = FDLoc.first; |
| 1488 | SourceLocation CallLoc = FDLoc.second; |
| 1489 | if (Seen.count(NewCallee) || IsKnownEmitted(S, NewCallee)) |
| 1490 | continue; |
| 1491 | Seen.insert(NewCallee); |
| 1492 | Worklist.push_back( |
| 1493 | { C.Callee, NewCallee, CallLoc}); |
| 1494 | } |
| 1495 | |
| 1496 | |
| 1497 | |
| 1498 | S.DeviceCallGraph.erase(CGIt); |
| 1499 | } |
| 1500 | } |
| 1501 | |
| 1502 | Sema::DeviceDiagBuilder Sema::targetDiag(SourceLocation Loc, unsigned DiagID) { |
| 1503 | if (LangOpts.OpenMP && LangOpts.OpenMPIsDevice) |
| 1504 | return diagIfOpenMPDeviceCode(Loc, DiagID); |
| 1505 | if (getLangOpts().CUDA) |
| 1506 | return getLangOpts().CUDAIsDevice ? CUDADiagIfDeviceCode(Loc, DiagID) |
| 1507 | : CUDADiagIfHostCode(Loc, DiagID); |
| 1508 | return DeviceDiagBuilder(DeviceDiagBuilder::K_Immediate, Loc, DiagID, |
| 1509 | getCurFunctionDecl(), *this); |
| 1510 | } |
| 1511 | |
| 1512 | |
| 1513 | |
| 1514 | |
| 1515 | |
| 1516 | bool Sema::findMacroSpelling(SourceLocation &locref, StringRef name) { |
| 1517 | SourceLocation loc = locref; |
| 1518 | if (!loc.isMacroID()) return false; |
| 1519 | |
| 1520 | |
| 1521 | |
| 1522 | loc = getSourceManager().getExpansionLoc(loc); |
| 1523 | |
| 1524 | |
| 1525 | SmallVector<char, 16> buffer; |
| 1526 | if (getPreprocessor().getSpelling(loc, buffer) == name) { |
| 1527 | locref = loc; |
| 1528 | return true; |
| 1529 | } |
| 1530 | return false; |
| 1531 | } |
| 1532 | |
| 1533 | |
| 1534 | |
| 1535 | |
| 1536 | |
| 1537 | |
| 1538 | |
| 1539 | |
| 1540 | |
| 1541 | |
| 1542 | |
| 1543 | |
| 1544 | Scope *Sema::getScopeForContext(DeclContext *Ctx) { |
| 1545 | |
| 1546 | if (!Ctx) |
| 1547 | return nullptr; |
| 1548 | |
| 1549 | Ctx = Ctx->getPrimaryContext(); |
| 1550 | for (Scope *S = getCurScope(); S; S = S->getParent()) { |
| 1551 | |
| 1552 | |
| 1553 | if (S->getFlags() & (Scope::DeclScope | Scope::TemplateParamScope)) |
| 1554 | if (DeclContext *Entity = S->getEntity()) |
| 1555 | if (Ctx == Entity->getPrimaryContext()) |
| 1556 | return S; |
| 1557 | } |
| 1558 | |
| 1559 | return nullptr; |
| 1560 | } |
| 1561 | |
| 1562 | |
| 1563 | void Sema::PushFunctionScope() { |
| 1564 | if (FunctionScopes.empty()) { |
| 1565 | |
| 1566 | PreallocatedFunctionScope->Clear(); |
| 1567 | FunctionScopes.push_back(PreallocatedFunctionScope.get()); |
| 1568 | } else { |
| 1569 | FunctionScopes.push_back(new FunctionScopeInfo(getDiagnostics())); |
| 1570 | } |
| 1571 | if (LangOpts.OpenMP) |
| 1572 | pushOpenMPFunctionRegion(); |
| 1573 | } |
| 1574 | |
| 1575 | void Sema::PushBlockScope(Scope *BlockScope, BlockDecl *Block) { |
| 1576 | FunctionScopes.push_back(new BlockScopeInfo(getDiagnostics(), |
| 1577 | BlockScope, Block)); |
| 1578 | } |
| 1579 | |
| 1580 | LambdaScopeInfo *Sema::PushLambdaScope() { |
| 1581 | LambdaScopeInfo *const LSI = new LambdaScopeInfo(getDiagnostics()); |
| 1582 | FunctionScopes.push_back(LSI); |
| 1583 | return LSI; |
| 1584 | } |
| 1585 | |
| 1586 | void Sema::RecordParsingTemplateParameterDepth(unsigned Depth) { |
| 1587 | if (LambdaScopeInfo *const LSI = getCurLambda()) { |
| 1588 | LSI->AutoTemplateParameterDepth = Depth; |
| 1589 | return; |
| 1590 | } |
| 1591 | llvm_unreachable( |
| 1592 | "Remove assertion if intentionally called in a non-lambda context."); |
| 1593 | } |
| 1594 | |
| 1595 | |
| 1596 | |
| 1597 | static void checkEscapingByref(VarDecl *VD, Sema &S) { |
| 1598 | QualType T = VD->getType(); |
| 1599 | EnterExpressionEvaluationContext scope( |
| 1600 | S, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); |
| 1601 | SourceLocation Loc = VD->getLocation(); |
| 1602 | Expr *VarRef = |
| 1603 | new (S.Context) DeclRefExpr(S.Context, VD, false, T, VK_LValue, Loc); |
| 1604 | ExprResult Result = S.PerformMoveOrCopyInitialization( |
| 1605 | InitializedEntity::InitializeBlock(Loc, T, false), VD, VD->getType(), |
| 1606 | VarRef, ); |
| 1607 | if (!Result.isInvalid()) { |
| 1608 | Result = S.MaybeCreateExprWithCleanups(Result); |
| 1609 | Expr *Init = Result.getAs<Expr>(); |
| 1610 | S.Context.setBlockVarCopyInit(VD, Init, S.canThrow(Init)); |
| 1611 | } |
| 1612 | |
| 1613 | |
| 1614 | |
| 1615 | if (const CXXRecordDecl *RD = T->getAsCXXRecordDecl()) |
| 1616 | if (CXXDestructorDecl *DD = RD->getDestructor()) { |
| 1617 | auto *FPT = DD->getType()->getAs<FunctionProtoType>(); |
| 1618 | S.ResolveExceptionSpec(Loc, FPT); |
| 1619 | } |
| 1620 | } |
| 1621 | |
| 1622 | static void markEscapingByrefs(const FunctionScopeInfo &FSI, Sema &S) { |
| 1623 | |
| 1624 | |
| 1625 | for (const BlockDecl *BD : FSI.Blocks) { |
| 1626 | if (BD->doesNotEscape()) |
| 1627 | continue; |
| 1628 | for (const BlockDecl::Capture &BC : BD->captures()) { |
| 1629 | VarDecl *VD = BC.getVariable(); |
| 1630 | if (VD->hasAttr<BlocksAttr>()) |
| 1631 | VD->setEscapingByref(); |
| 1632 | } |
| 1633 | } |
| 1634 | |
| 1635 | for (VarDecl *VD : FSI.ByrefBlockVars) { |
| 1636 | |
| 1637 | if (!VD->isEscapingByref()) |
| 1638 | continue; |
| 1639 | |
| 1640 | |
| 1641 | |
| 1642 | |
| 1643 | if (VD->getType()->isStructureOrClassType()) |
| 1644 | checkEscapingByref(VD, S); |
| 1645 | } |
| 1646 | } |
| 1647 | |
| 1648 | void Sema::PopFunctionScopeInfo(const AnalysisBasedWarnings::Policy *WP, |
| 1649 | const Decl *D, const BlockExpr *blkExpr) { |
| 1650 | (0) . __assert_fail ("!FunctionScopes.empty() && \"mismatched push/pop!\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1650, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!FunctionScopes.empty() && "mismatched push/pop!"); |
| 1651 | |
| 1652 | |
| 1653 | |
| 1654 | |
| 1655 | |
| 1656 | markEscapingByrefs(*FunctionScopes.back(), *this); |
| 1657 | |
| 1658 | FunctionScopeInfo *Scope = FunctionScopes.pop_back_val(); |
| 1659 | |
| 1660 | if (LangOpts.OpenMP) |
| 1661 | popOpenMPFunctionRegion(Scope); |
| 1662 | |
| 1663 | |
| 1664 | if (WP && D) |
| 1665 | AnalysisWarnings.IssueWarnings(*WP, Scope, D, blkExpr); |
| 1666 | else |
| 1667 | for (const auto &PUD : Scope->PossiblyUnreachableDiags) |
| 1668 | Diag(PUD.Loc, PUD.PD); |
| 1669 | |
| 1670 | |
| 1671 | if (Scope != PreallocatedFunctionScope.get()) |
| 1672 | delete Scope; |
| 1673 | } |
| 1674 | |
| 1675 | void Sema::PushCompoundScope(bool IsStmtExpr) { |
| 1676 | getCurFunction()->CompoundScopes.push_back(CompoundScopeInfo(IsStmtExpr)); |
| 1677 | } |
| 1678 | |
| 1679 | void Sema::PopCompoundScope() { |
| 1680 | FunctionScopeInfo *CurFunction = getCurFunction(); |
| 1681 | (0) . __assert_fail ("!CurFunction->CompoundScopes.empty() && \"mismatched push/pop\"", "/home/seafit/code_projects/clang_source/clang/lib/Sema/Sema.cpp", 1681, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!CurFunction->CompoundScopes.empty() && "mismatched push/pop"); |
| 1682 | |
| 1683 | CurFunction->CompoundScopes.pop_back(); |
| 1684 | } |
| 1685 | |
| 1686 | |
| 1687 | |
| 1688 | bool Sema::hasAnyUnrecoverableErrorsInThisFunction() const { |
| 1689 | return getCurFunction()->ErrorTrap.hasUnrecoverableErrorOccurred(); |
| 1690 | } |
| 1691 | |
| 1692 | void Sema::setFunctionHasBranchIntoScope() { |
| 1693 | if (!FunctionScopes.empty()) |
| 1694 | FunctionScopes.back()->setHasBranchIntoScope(); |
| 1695 | } |
| 1696 | |
| 1697 | void Sema::setFunctionHasBranchProtectedScope() { |
| 1698 | if (!FunctionScopes.empty()) |
| 1699 | FunctionScopes.back()->setHasBranchProtectedScope(); |
| 1700 | } |
| 1701 | |
| 1702 | void Sema::setFunctionHasIndirectGoto() { |
| 1703 | if (!FunctionScopes.empty()) |
| 1704 | FunctionScopes.back()->setHasIndirectGoto(); |
| 1705 | } |
| 1706 | |
| 1707 | BlockScopeInfo *Sema::getCurBlock() { |
| 1708 | if (FunctionScopes.empty()) |
| 1709 | return nullptr; |
| 1710 | |
| 1711 | auto CurBSI = dyn_cast<BlockScopeInfo>(FunctionScopes.back()); |
| 1712 | if (CurBSI && CurBSI->TheDecl && |
| 1713 | !CurBSI->TheDecl->Encloses(CurContext)) { |
| 1714 | |
| 1715 | assert(!CodeSynthesisContexts.empty()); |
| 1716 | return nullptr; |
| 1717 | } |
| 1718 | |
| 1719 | return CurBSI; |
| 1720 | } |
| 1721 | |
| 1722 | FunctionScopeInfo *Sema::getEnclosingFunction() const { |
| 1723 | if (FunctionScopes.empty()) |
| 1724 | return nullptr; |
| 1725 | |
| 1726 | for (int e = FunctionScopes.size() - 1; e >= 0; --e) { |
| 1727 | if (isa<sema::BlockScopeInfo>(FunctionScopes[e])) |
| 1728 | continue; |
| 1729 | return FunctionScopes[e]; |
| 1730 | } |
| 1731 | return nullptr; |
| 1732 | } |
| 1733 | |
| 1734 | LambdaScopeInfo *Sema::getCurLambda(bool IgnoreNonLambdaCapturingScope) { |
| 1735 | if (FunctionScopes.empty()) |
| 1736 | return nullptr; |
| 1737 | |
| 1738 | auto I = FunctionScopes.rbegin(); |
| 1739 | if (IgnoreNonLambdaCapturingScope) { |
| 1740 | auto E = FunctionScopes.rend(); |
| 1741 | while (I != E && isa<CapturingScopeInfo>(*I) && !isa<LambdaScopeInfo>(*I)) |
| 1742 | ++I; |
| 1743 | if (I == E) |
| 1744 | return nullptr; |
| 1745 | } |
| 1746 | auto *CurLSI = dyn_cast<LambdaScopeInfo>(*I); |
| 1747 | if (CurLSI && CurLSI->Lambda && |
| 1748 | !CurLSI->Lambda->Encloses(CurContext)) { |
| 1749 | |
| 1750 | assert(!CodeSynthesisContexts.empty()); |
| 1751 | return nullptr; |
| 1752 | } |
| 1753 | |
| 1754 | return CurLSI; |
| 1755 | } |
| 1756 | |
| 1757 | |
| 1758 | LambdaScopeInfo *Sema::getCurGenericLambda() { |
| 1759 | if (LambdaScopeInfo *LSI = getCurLambda()) { |
| 1760 | return (LSI->AutoTemplateParams.size() || |
| 1761 | LSI->GLTemplateParameterList) ? LSI : nullptr; |
| 1762 | } |
| 1763 | return nullptr; |
| 1764 | } |
| 1765 | |
| 1766 | |
| 1767 | void Sema::(SourceRange ) { |
| 1768 | if (!LangOpts.RetainCommentsFromSystemHeaders && |
| 1769 | SourceMgr.isInSystemHeader(Comment.getBegin())) |
| 1770 | return; |
| 1771 | RawComment RC(SourceMgr, Comment, LangOpts.CommentOpts, false); |
| 1772 | if (RC.isAlmostTrailingComment()) { |
| 1773 | SourceRange MagicMarkerRange(Comment.getBegin(), |
| 1774 | Comment.getBegin().getLocWithOffset(3)); |
| 1775 | StringRef MagicMarkerText; |
| 1776 | switch (RC.getKind()) { |
| 1777 | case RawComment::RCK_OrdinaryBCPL: |
| 1778 | MagicMarkerText = "///<"; |
| 1779 | break; |
| 1780 | case RawComment::RCK_OrdinaryC: |
| 1781 | MagicMarkerText = "/**<"; |
| 1782 | break; |
| 1783 | default: |
| 1784 | llvm_unreachable("if this is an almost Doxygen comment, " |
| 1785 | "it should be ordinary"); |
| 1786 | } |
| 1787 | Diag(Comment.getBegin(), diag::warn_not_a_doxygen_trailing_member_comment) << |
| 1788 | FixItHint::CreateReplacement(MagicMarkerRange, MagicMarkerText); |
| 1789 | } |
| 1790 | Context.addComment(RC); |
| 1791 | } |
| 1792 | |
| 1793 | |
| 1794 | ExternalSemaSource::~ExternalSemaSource() {} |
| 1795 | |
| 1796 | void ExternalSemaSource::ReadMethodPool(Selector Sel) { } |
| 1797 | void ExternalSemaSource::updateOutOfDateSelector(Selector Sel) { } |
| 1798 | |
| 1799 | void ExternalSemaSource::ReadKnownNamespaces( |
| 1800 | SmallVectorImpl<NamespaceDecl *> &Namespaces) { |
| 1801 | } |
| 1802 | |
| 1803 | void ExternalSemaSource::ReadUndefinedButUsed( |
| 1804 | llvm::MapVector<NamedDecl *, SourceLocation> &Undefined) {} |
| 1805 | |
| 1806 | void ExternalSemaSource::ReadMismatchingDeleteExpressions(llvm::MapVector< |
| 1807 | FieldDecl *, llvm::SmallVector<std::pair<SourceLocation, bool>, 4>> &) {} |
| 1808 | |
| 1809 | |
| 1810 | |
| 1811 | |
| 1812 | |
| 1813 | |
| 1814 | |
| 1815 | |
| 1816 | |
| 1817 | |
| 1818 | |
| 1819 | |
| 1820 | bool Sema::tryExprAsCall(Expr &E, QualType &ZeroArgCallReturnTy, |
| 1821 | UnresolvedSetImpl &OverloadSet) { |
| 1822 | ZeroArgCallReturnTy = QualType(); |
| 1823 | OverloadSet.clear(); |
| 1824 | |
| 1825 | const OverloadExpr *Overloads = nullptr; |
| 1826 | bool IsMemExpr = false; |
| 1827 | if (E.getType() == Context.OverloadTy) { |
| 1828 | OverloadExpr::FindResult FR = OverloadExpr::find(const_cast<Expr*>(&E)); |
| 1829 | |
| 1830 | |
| 1831 | if (FR.HasFormOfMemberPointer) |
| 1832 | return false; |
| 1833 | |
| 1834 | Overloads = FR.Expression; |
| 1835 | } else if (E.getType() == Context.BoundMemberTy) { |
| 1836 | Overloads = dyn_cast<UnresolvedMemberExpr>(E.IgnoreParens()); |
| 1837 | IsMemExpr = true; |
| 1838 | } |
| 1839 | |
| 1840 | bool Ambiguous = false; |
| 1841 | bool IsMV = false; |
| 1842 | |
| 1843 | if (Overloads) { |
| 1844 | for (OverloadExpr::decls_iterator it = Overloads->decls_begin(), |
| 1845 | DeclsEnd = Overloads->decls_end(); it != DeclsEnd; ++it) { |
| 1846 | OverloadSet.addDecl(*it); |
| 1847 | |
| 1848 | |
| 1849 | |
| 1850 | if (IsMemExpr) |
| 1851 | continue; |
| 1852 | if (const FunctionDecl *OverloadDecl |
| 1853 | = dyn_cast<FunctionDecl>((*it)->getUnderlyingDecl())) { |
| 1854 | if (OverloadDecl->getMinRequiredArguments() == 0) { |
| 1855 | if (!ZeroArgCallReturnTy.isNull() && !Ambiguous && |
| 1856 | (!IsMV || !(OverloadDecl->isCPUDispatchMultiVersion() || |
| 1857 | OverloadDecl->isCPUSpecificMultiVersion()))) { |
| 1858 | ZeroArgCallReturnTy = QualType(); |
| 1859 | Ambiguous = true; |
| 1860 | } else { |
| 1861 | ZeroArgCallReturnTy = OverloadDecl->getReturnType(); |
| 1862 | IsMV = OverloadDecl->isCPUDispatchMultiVersion() || |
| 1863 | OverloadDecl->isCPUSpecificMultiVersion(); |
| 1864 | } |
| 1865 | } |
| 1866 | } |
| 1867 | } |
| 1868 | |
| 1869 | |
| 1870 | if (!IsMemExpr) |
| 1871 | return !ZeroArgCallReturnTy.isNull(); |
| 1872 | } |
| 1873 | |
| 1874 | |
| 1875 | |
| 1876 | |
| 1877 | if (IsMemExpr && !E.isTypeDependent()) { |
| 1878 | bool Suppress = getDiagnostics().getSuppressAllDiagnostics(); |
| 1879 | getDiagnostics().setSuppressAllDiagnostics(true); |
| 1880 | ExprResult R = BuildCallToMemberFunction(nullptr, &E, SourceLocation(), |
| 1881 | None, SourceLocation()); |
| 1882 | getDiagnostics().setSuppressAllDiagnostics(Suppress); |
| 1883 | if (R.isUsable()) { |
| 1884 | ZeroArgCallReturnTy = R.get()->getType(); |
| 1885 | return true; |
| 1886 | } |
| 1887 | return false; |
| 1888 | } |
| 1889 | |
| 1890 | if (const DeclRefExpr *DeclRef = dyn_cast<DeclRefExpr>(E.IgnoreParens())) { |
| 1891 | if (const FunctionDecl *Fun = dyn_cast<FunctionDecl>(DeclRef->getDecl())) { |
| 1892 | if (Fun->getMinRequiredArguments() == 0) |
| 1893 | ZeroArgCallReturnTy = Fun->getReturnType(); |
| 1894 | return true; |
| 1895 | } |
| 1896 | } |
| 1897 | |
| 1898 | |
| 1899 | |
| 1900 | QualType ExprTy = E.getType(); |
| 1901 | const FunctionType *FunTy = nullptr; |
| 1902 | QualType PointeeTy = ExprTy->getPointeeType(); |
| 1903 | if (!PointeeTy.isNull()) |
| 1904 | FunTy = PointeeTy->getAs<FunctionType>(); |
| 1905 | if (!FunTy) |
| 1906 | FunTy = ExprTy->getAs<FunctionType>(); |
| 1907 | |
| 1908 | if (const FunctionProtoType *FPT = |
| 1909 | dyn_cast_or_null<FunctionProtoType>(FunTy)) { |
| 1910 | if (FPT->getNumParams() == 0) |
| 1911 | ZeroArgCallReturnTy = FunTy->getReturnType(); |
| 1912 | return true; |
| 1913 | } |
| 1914 | return false; |
| 1915 | } |
| 1916 | |
| 1917 | |
| 1918 | |
| 1919 | |
| 1920 | |
| 1921 | |
| 1922 | |
| 1923 | |
| 1924 | |
| 1925 | |
| 1926 | |
| 1927 | |
| 1928 | |
| 1929 | static void noteOverloads(Sema &S, const UnresolvedSetImpl &Overloads, |
| 1930 | const SourceLocation FinalNoteLoc) { |
| 1931 | int ShownOverloads = 0; |
| 1932 | int SuppressedOverloads = 0; |
| 1933 | for (UnresolvedSetImpl::iterator It = Overloads.begin(), |
| 1934 | DeclsEnd = Overloads.end(); It != DeclsEnd; ++It) { |
| 1935 | |
| 1936 | |
| 1937 | if (ShownOverloads >= 4 && S.Diags.getShowOverloads() == Ovl_Best) { |
| 1938 | ++SuppressedOverloads; |
| 1939 | continue; |
| 1940 | } |
| 1941 | |
| 1942 | NamedDecl *Fn = (*It)->getUnderlyingDecl(); |
| 1943 | |
| 1944 | if (const auto *FD = Fn->getAsFunction()) { |
| 1945 | if (FD->isMultiVersion() && FD->hasAttr<TargetAttr>() && |
| 1946 | !FD->getAttr<TargetAttr>()->isDefaultVersion()) |
| 1947 | continue; |
| 1948 | } |
| 1949 | S.Diag(Fn->getLocation(), diag::note_possible_target_of_call); |
| 1950 | ++ShownOverloads; |
| 1951 | } |
| 1952 | |
| 1953 | if (SuppressedOverloads) |
| 1954 | S.Diag(FinalNoteLoc, diag::note_ovl_too_many_candidates) |
| 1955 | << SuppressedOverloads; |
| 1956 | } |
| 1957 | |
| 1958 | static void notePlausibleOverloads(Sema &S, SourceLocation Loc, |
| 1959 | const UnresolvedSetImpl &Overloads, |
| 1960 | bool (*IsPlausibleResult)(QualType)) { |
| 1961 | if (!IsPlausibleResult) |
| 1962 | return noteOverloads(S, Overloads, Loc); |
| 1963 | |
| 1964 | UnresolvedSet<2> PlausibleOverloads; |
| 1965 | for (OverloadExpr::decls_iterator It = Overloads.begin(), |
| 1966 | DeclsEnd = Overloads.end(); It != DeclsEnd; ++It) { |
| 1967 | const FunctionDecl *OverloadDecl = cast<FunctionDecl>(*It); |
| 1968 | QualType OverloadResultTy = OverloadDecl->getReturnType(); |
| 1969 | if (IsPlausibleResult(OverloadResultTy)) |
| 1970 | PlausibleOverloads.addDecl(It.getDecl()); |
| 1971 | } |
| 1972 | noteOverloads(S, PlausibleOverloads, Loc); |
| 1973 | } |
| 1974 | |
| 1975 | |
| 1976 | |
| 1977 | |
| 1978 | |
| 1979 | static bool IsCallableWithAppend(Expr *E) { |
| 1980 | E = E->IgnoreImplicit(); |
| 1981 | return (!isa<CStyleCastExpr>(E) && |
| 1982 | !isa<UnaryOperator>(E) && |
| 1983 | !isa<BinaryOperator>(E) && |
| 1984 | !isa<CXXOperatorCallExpr>(E)); |
| 1985 | } |
| 1986 | |
| 1987 | static bool IsCPUDispatchCPUSpecificMultiVersion(const Expr *E) { |
| 1988 | if (const auto *UO = dyn_cast<UnaryOperator>(E)) |
| 1989 | E = UO->getSubExpr(); |
| 1990 | |
| 1991 | if (const auto *ULE = dyn_cast<UnresolvedLookupExpr>(E)) { |
| 1992 | if (ULE->getNumDecls() == 0) |
| 1993 | return false; |
| 1994 | |
| 1995 | const NamedDecl *ND = *ULE->decls_begin(); |
| 1996 | if (const auto *FD = dyn_cast<FunctionDecl>(ND)) |
| 1997 | return FD->isCPUDispatchMultiVersion() || FD->isCPUSpecificMultiVersion(); |
| 1998 | } |
| 1999 | return false; |
| 2000 | } |
| 2001 | |
| 2002 | bool Sema::tryToRecoverWithCall(ExprResult &E, const PartialDiagnostic &PD, |
| 2003 | bool ForceComplain, |
| 2004 | bool (*IsPlausibleResult)(QualType)) { |
| 2005 | SourceLocation Loc = E.get()->getExprLoc(); |
| 2006 | SourceRange Range = E.get()->getSourceRange(); |
| 2007 | |
| 2008 | QualType ZeroArgCallTy; |
| 2009 | UnresolvedSet<4> Overloads; |
| 2010 | if (tryExprAsCall(*E.get(), ZeroArgCallTy, Overloads) && |
| 2011 | !ZeroArgCallTy.isNull() && |
| 2012 | (!IsPlausibleResult || IsPlausibleResult(ZeroArgCallTy))) { |
| 2013 | |
| 2014 | |
| 2015 | |
| 2016 | |
| 2017 | SourceLocation ParenInsertionLoc = getLocForEndOfToken(Range.getEnd()); |
| 2018 | bool IsMV = IsCPUDispatchCPUSpecificMultiVersion(E.get()); |
| 2019 | Diag(Loc, PD) << 1 << IsMV << Range |
| 2020 | << (IsCallableWithAppend(E.get()) |
| 2021 | ? FixItHint::CreateInsertion(ParenInsertionLoc, "()") |
| 2022 | : FixItHint()); |
| 2023 | if (!IsMV) |
| 2024 | notePlausibleOverloads(*this, Loc, Overloads, IsPlausibleResult); |
| 2025 | |
| 2026 | |
| 2027 | |
| 2028 | E = ActOnCallExpr(nullptr, E.get(), Range.getEnd(), None, |
| 2029 | Range.getEnd().getLocWithOffset(1)); |
| 2030 | return true; |
| 2031 | } |
| 2032 | |
| 2033 | if (!ForceComplain) return false; |
| 2034 | |
| 2035 | bool IsMV = IsCPUDispatchCPUSpecificMultiVersion(E.get()); |
| 2036 | Diag(Loc, PD) << 0 << IsMV << Range; |
| 2037 | if (!IsMV) |
| 2038 | notePlausibleOverloads(*this, Loc, Overloads, IsPlausibleResult); |
| 2039 | E = ExprError(); |
| 2040 | return true; |
| 2041 | } |
| 2042 | |
| 2043 | IdentifierInfo *Sema::getSuperIdentifier() const { |
| 2044 | if (!Ident_super) |
| 2045 | Ident_super = &Context.Idents.get("super"); |
| 2046 | return Ident_super; |
| 2047 | } |
| 2048 | |
| 2049 | IdentifierInfo *Sema::getFloat128Identifier() const { |
| 2050 | if (!Ident___float128) |
| 2051 | Ident___float128 = &Context.Idents.get("__float128"); |
| 2052 | return Ident___float128; |
| 2053 | } |
| 2054 | |
| 2055 | void Sema::PushCapturedRegionScope(Scope *S, CapturedDecl *CD, RecordDecl *RD, |
| 2056 | CapturedRegionKind K) { |
| 2057 | CapturingScopeInfo *CSI = new CapturedRegionScopeInfo( |
| 2058 | getDiagnostics(), S, CD, RD, CD->getContextParam(), K, |
| 2059 | (getLangOpts().OpenMP && K == CR_OpenMP) ? getOpenMPNestingLevel() : 0); |
| 2060 | CSI->ReturnType = Context.VoidTy; |
| 2061 | FunctionScopes.push_back(CSI); |
| 2062 | } |
| 2063 | |
| 2064 | CapturedRegionScopeInfo *Sema::getCurCapturedRegion() { |
| 2065 | if (FunctionScopes.empty()) |
| 2066 | return nullptr; |
| 2067 | |
| 2068 | return dyn_cast<CapturedRegionScopeInfo>(FunctionScopes.back()); |
| 2069 | } |
| 2070 | |
| 2071 | const llvm::MapVector<FieldDecl *, Sema::DeleteLocs> & |
| 2072 | Sema::getMismatchingDeleteExpressions() const { |
| 2073 | return DeleteExprs; |
| 2074 | } |
| 2075 | |
| 2076 | void Sema::setOpenCLExtensionForType(QualType T, llvm::StringRef ExtStr) { |
| 2077 | if (ExtStr.empty()) |
| 2078 | return; |
| 2079 | llvm::SmallVector<StringRef, 1> Exts; |
| 2080 | ExtStr.split(Exts, " ", -1, false); |
| 2081 | auto CanT = T.getCanonicalType().getTypePtr(); |
| 2082 | for (auto &I : Exts) |
| 2083 | OpenCLTypeExtMap[CanT].insert(I.str()); |
| 2084 | } |
| 2085 | |
| 2086 | void Sema::setOpenCLExtensionForDecl(Decl *FD, StringRef ExtStr) { |
| 2087 | llvm::SmallVector<StringRef, 1> Exts; |
| 2088 | ExtStr.split(Exts, " ", -1, false); |
| 2089 | if (Exts.empty()) |
| 2090 | return; |
| 2091 | for (auto &I : Exts) |
| 2092 | OpenCLDeclExtMap[FD].insert(I.str()); |
| 2093 | } |
| 2094 | |
| 2095 | void Sema::setCurrentOpenCLExtensionForType(QualType T) { |
| 2096 | if (CurrOpenCLExtension.empty()) |
| 2097 | return; |
| 2098 | setOpenCLExtensionForType(T, CurrOpenCLExtension); |
| 2099 | } |
| 2100 | |
| 2101 | void Sema::setCurrentOpenCLExtensionForDecl(Decl *D) { |
| 2102 | if (CurrOpenCLExtension.empty()) |
| 2103 | return; |
| 2104 | setOpenCLExtensionForDecl(D, CurrOpenCLExtension); |
| 2105 | } |
| 2106 | |
| 2107 | std::string Sema::getOpenCLExtensionsFromDeclExtMap(FunctionDecl *FD) { |
| 2108 | if (!OpenCLDeclExtMap.empty()) |
| 2109 | return getOpenCLExtensionsFromExtMap(FD, OpenCLDeclExtMap); |
| 2110 | |
| 2111 | return ""; |
| 2112 | } |
| 2113 | |
| 2114 | std::string Sema::getOpenCLExtensionsFromTypeExtMap(FunctionType *FT) { |
| 2115 | if (!OpenCLTypeExtMap.empty()) |
| 2116 | return getOpenCLExtensionsFromExtMap(FT, OpenCLTypeExtMap); |
| 2117 | |
| 2118 | return ""; |
| 2119 | } |
| 2120 | |
| 2121 | template <typename T, typename MapT> |
| 2122 | std::string Sema::getOpenCLExtensionsFromExtMap(T *FDT, MapT &Map) { |
| 2123 | std::string ExtensionNames = ""; |
| 2124 | auto Loc = Map.find(FDT); |
| 2125 | |
| 2126 | for (auto const& I : Loc->second) { |
| 2127 | ExtensionNames += I; |
| 2128 | ExtensionNames += " "; |
| 2129 | } |
| 2130 | ExtensionNames.pop_back(); |
| 2131 | |
| 2132 | return ExtensionNames; |
| 2133 | } |
| 2134 | |
| 2135 | bool Sema::isOpenCLDisabledDecl(Decl *FD) { |
| 2136 | auto Loc = OpenCLDeclExtMap.find(FD); |
| 2137 | if (Loc == OpenCLDeclExtMap.end()) |
| 2138 | return false; |
| 2139 | for (auto &I : Loc->second) { |
| 2140 | if (!getOpenCLOptions().isEnabled(I)) |
| 2141 | return true; |
| 2142 | } |
| 2143 | return false; |
| 2144 | } |
| 2145 | |
| 2146 | template <typename T, typename DiagLocT, typename DiagInfoT, typename MapT> |
| 2147 | bool Sema::checkOpenCLDisabledTypeOrDecl(T D, DiagLocT DiagLoc, |
| 2148 | DiagInfoT DiagInfo, MapT &Map, |
| 2149 | unsigned Selector, |
| 2150 | SourceRange SrcRange) { |
| 2151 | auto Loc = Map.find(D); |
| 2152 | if (Loc == Map.end()) |
| 2153 | return false; |
| 2154 | bool Disabled = false; |
| 2155 | for (auto &I : Loc->second) { |
| 2156 | if (I != CurrOpenCLExtension && !getOpenCLOptions().isEnabled(I)) { |
| 2157 | Diag(DiagLoc, diag::err_opencl_requires_extension) << Selector << DiagInfo |
| 2158 | << I << SrcRange; |
| 2159 | Disabled = true; |
| 2160 | } |
| 2161 | } |
| 2162 | return Disabled; |
| 2163 | } |
| 2164 | |
| 2165 | bool Sema::checkOpenCLDisabledTypeDeclSpec(const DeclSpec &DS, QualType QT) { |
| 2166 | |
| 2167 | Decl *Decl = nullptr; |
| 2168 | if (auto TypedefT = dyn_cast<TypedefType>(QT.getTypePtr())) |
| 2169 | Decl = TypedefT->getDecl(); |
| 2170 | if (auto TagT = dyn_cast<TagType>(QT.getCanonicalType().getTypePtr())) |
| 2171 | Decl = TagT->getDecl(); |
| 2172 | auto Loc = DS.getTypeSpecTypeLoc(); |
| 2173 | |
| 2174 | |
| 2175 | |
| 2176 | if (QT->isExtVectorType()) { |
| 2177 | auto TypePtr = QT->castAs<ExtVectorType>()->getElementType().getTypePtr(); |
| 2178 | return checkOpenCLDisabledTypeOrDecl(TypePtr, Loc, QT, OpenCLTypeExtMap); |
| 2179 | } |
| 2180 | |
| 2181 | if (checkOpenCLDisabledTypeOrDecl(Decl, Loc, QT, OpenCLDeclExtMap)) |
| 2182 | return true; |
| 2183 | |
| 2184 | |
| 2185 | return checkOpenCLDisabledTypeOrDecl(QT.getCanonicalType().getTypePtr(), Loc, |
| 2186 | QT, OpenCLTypeExtMap); |
| 2187 | } |
| 2188 | |
| 2189 | bool Sema::checkOpenCLDisabledDecl(const NamedDecl &D, const Expr &E) { |
| 2190 | IdentifierInfo *FnName = D.getIdentifier(); |
| 2191 | return checkOpenCLDisabledTypeOrDecl(&D, E.getBeginLoc(), FnName, |
| 2192 | OpenCLDeclExtMap, 1, D.getSourceRange()); |
| 2193 | } |
| 2194 | |