1//===--- MultiplexExternalSemaSource.cpp ---------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file implements the event dispatching to the subscribed clients. 11// 12//===----------------------------------------------------------------------===// 13#include "clang/Sema/MultiplexExternalSemaSource.h" 14#include "clang/AST/DeclContextInternals.h" 15#include "clang/Sema/Lookup.h" 16 17using namespace clang; 18 19///\brief Constructs a new multiplexing external sema source and appends the 20/// given element to it. 21/// 22///\param[in] source - An ExternalSemaSource. 23/// 24MultiplexExternalSemaSource::MultiplexExternalSemaSource(ExternalSemaSource &s1, 25 ExternalSemaSource &s2){ 26 Sources.push_back(&s1); 27 Sources.push_back(&s2); 28} 29 30// pin the vtable here. 31MultiplexExternalSemaSource::~MultiplexExternalSemaSource() {} 32 33///\brief Appends new source to the source list. 34/// 35///\param[in] source - An ExternalSemaSource. 36/// 37void MultiplexExternalSemaSource::addSource(ExternalSemaSource &source) { 38 Sources.push_back(&source); 39} 40 41//===----------------------------------------------------------------------===// 42// ExternalASTSource. 43//===----------------------------------------------------------------------===// 44 45Decl *MultiplexExternalSemaSource::GetExternalDecl(uint32_t ID) { 46 for(size_t i = 0; i < Sources.size(); ++i) 47 if (Decl *Result = Sources[i]->GetExternalDecl(ID)) 48 return Result; 49 return nullptr; 50} 51 52void MultiplexExternalSemaSource::CompleteRedeclChain(const Decl *D) { 53 for (size_t i = 0; i < Sources.size(); ++i) 54 Sources[i]->CompleteRedeclChain(D); 55} 56 57Selector MultiplexExternalSemaSource::GetExternalSelector(uint32_t ID) { 58 Selector Sel; 59 for(size_t i = 0; i < Sources.size(); ++i) { 60 Sel = Sources[i]->GetExternalSelector(ID); 61 if (!Sel.isNull()) 62 return Sel; 63 } 64 return Sel; 65} 66 67uint32_t MultiplexExternalSemaSource::GetNumExternalSelectors() { 68 uint32_t total = 0; 69 for(size_t i = 0; i < Sources.size(); ++i) 70 total += Sources[i]->GetNumExternalSelectors(); 71 return total; 72} 73 74Stmt *MultiplexExternalSemaSource::GetExternalDeclStmt(uint64_t Offset) { 75 for(size_t i = 0; i < Sources.size(); ++i) 76 if (Stmt *Result = Sources[i]->GetExternalDeclStmt(Offset)) 77 return Result; 78 return nullptr; 79} 80 81CXXBaseSpecifier *MultiplexExternalSemaSource::GetExternalCXXBaseSpecifiers( 82 uint64_t Offset){ 83 for(size_t i = 0; i < Sources.size(); ++i) 84 if (CXXBaseSpecifier *R = Sources[i]->GetExternalCXXBaseSpecifiers(Offset)) 85 return R; 86 return nullptr; 87} 88 89CXXCtorInitializer ** 90MultiplexExternalSemaSource::GetExternalCXXCtorInitializers(uint64_t Offset) { 91 for (auto *S : Sources) 92 if (auto *R = S->GetExternalCXXCtorInitializers(Offset)) 93 return R; 94 return nullptr; 95} 96 97bool MultiplexExternalSemaSource:: 98FindExternalVisibleDeclsByName(const DeclContext *DC, DeclarationName Name) { 99 bool AnyDeclsFound = false; 100 for (size_t i = 0; i < Sources.size(); ++i) 101 AnyDeclsFound |= Sources[i]->FindExternalVisibleDeclsByName(DC, Name); 102 return AnyDeclsFound; 103} 104 105void MultiplexExternalSemaSource::completeVisibleDeclsMap(const DeclContext *DC){ 106 for(size_t i = 0; i < Sources.size(); ++i) 107 Sources[i]->completeVisibleDeclsMap(DC); 108} 109 110ExternalLoadResult MultiplexExternalSemaSource:: 111FindExternalLexicalDecls(const DeclContext *DC, 112 bool (*isKindWeWant)(Decl::Kind), 113 SmallVectorImpl<Decl*> &Result) { 114 for(size_t i = 0; i < Sources.size(); ++i) 115 // FIXME: The semantics of the return result is unclear to me... 116 Sources[i]->FindExternalLexicalDecls(DC, isKindWeWant, Result); 117 118 return ELR_Success; 119} 120 121void MultiplexExternalSemaSource::FindFileRegionDecls(FileID File, 122 unsigned Offset, 123 unsigned Length, 124 SmallVectorImpl<Decl *> &Decls){ 125 for(size_t i = 0; i < Sources.size(); ++i) 126 Sources[i]->FindFileRegionDecls(File, Offset, Length, Decls); 127} 128 129void MultiplexExternalSemaSource::CompleteType(TagDecl *Tag) { 130 for(size_t i = 0; i < Sources.size(); ++i) 131 Sources[i]->CompleteType(Tag); 132} 133 134void MultiplexExternalSemaSource::CompleteType(ObjCInterfaceDecl *Class) { 135 for(size_t i = 0; i < Sources.size(); ++i) 136 Sources[i]->CompleteType(Class); 137} 138 139void MultiplexExternalSemaSource::ReadComments() { 140 for(size_t i = 0; i < Sources.size(); ++i) 141 Sources[i]->ReadComments(); 142} 143 144void MultiplexExternalSemaSource::StartedDeserializing() { 145 for(size_t i = 0; i < Sources.size(); ++i) 146 Sources[i]->StartedDeserializing(); 147} 148 149void MultiplexExternalSemaSource::FinishedDeserializing() { 150 for(size_t i = 0; i < Sources.size(); ++i) 151 Sources[i]->FinishedDeserializing(); 152} 153 154void MultiplexExternalSemaSource::StartTranslationUnit(ASTConsumer *Consumer) { 155 for(size_t i = 0; i < Sources.size(); ++i) 156 Sources[i]->StartTranslationUnit(Consumer); 157} 158 159void MultiplexExternalSemaSource::PrintStats() { 160 for(size_t i = 0; i < Sources.size(); ++i) 161 Sources[i]->PrintStats(); 162} 163 164bool MultiplexExternalSemaSource::layoutRecordType(const RecordDecl *Record, 165 uint64_t &Size, 166 uint64_t &Alignment, 167 llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets, 168 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets, 169 llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets){ 170 for(size_t i = 0; i < Sources.size(); ++i) 171 if (Sources[i]->layoutRecordType(Record, Size, Alignment, FieldOffsets, 172 BaseOffsets, VirtualBaseOffsets)) 173 return true; 174 return false; 175} 176 177void MultiplexExternalSemaSource:: 178getMemoryBufferSizes(MemoryBufferSizes &sizes) const { 179 for(size_t i = 0; i < Sources.size(); ++i) 180 Sources[i]->getMemoryBufferSizes(sizes); 181 182} 183 184//===----------------------------------------------------------------------===// 185// ExternalSemaSource. 186//===----------------------------------------------------------------------===// 187 188 189void MultiplexExternalSemaSource::InitializeSema(Sema &S) { 190 for(size_t i = 0; i < Sources.size(); ++i) 191 Sources[i]->InitializeSema(S); 192} 193 194void MultiplexExternalSemaSource::ForgetSema() { 195 for(size_t i = 0; i < Sources.size(); ++i) 196 Sources[i]->ForgetSema(); 197} 198 199void MultiplexExternalSemaSource::ReadMethodPool(Selector Sel) { 200 for(size_t i = 0; i < Sources.size(); ++i) 201 Sources[i]->ReadMethodPool(Sel); 202} 203 204void MultiplexExternalSemaSource::ReadKnownNamespaces( 205 SmallVectorImpl<NamespaceDecl*> &Namespaces){ 206 for(size_t i = 0; i < Sources.size(); ++i) 207 Sources[i]->ReadKnownNamespaces(Namespaces); 208} 209 210void MultiplexExternalSemaSource::ReadUndefinedButUsed( 211 llvm::DenseMap<NamedDecl*, SourceLocation> &Undefined){ 212 for(size_t i = 0; i < Sources.size(); ++i) 213 Sources[i]->ReadUndefinedButUsed(Undefined); 214} 215 216bool MultiplexExternalSemaSource::LookupUnqualified(LookupResult &R, Scope *S){ 217 for(size_t i = 0; i < Sources.size(); ++i) 218 Sources[i]->LookupUnqualified(R, S); 219 220 return !R.empty(); 221} 222 223void MultiplexExternalSemaSource::ReadTentativeDefinitions( 224 SmallVectorImpl<VarDecl*> &TentativeDefs) { 225 for(size_t i = 0; i < Sources.size(); ++i) 226 Sources[i]->ReadTentativeDefinitions(TentativeDefs); 227} 228 229void MultiplexExternalSemaSource::ReadUnusedFileScopedDecls( 230 SmallVectorImpl<const DeclaratorDecl*> &Decls) { 231 for(size_t i = 0; i < Sources.size(); ++i) 232 Sources[i]->ReadUnusedFileScopedDecls(Decls); 233} 234 235void MultiplexExternalSemaSource::ReadDelegatingConstructors( 236 SmallVectorImpl<CXXConstructorDecl*> &Decls) { 237 for(size_t i = 0; i < Sources.size(); ++i) 238 Sources[i]->ReadDelegatingConstructors(Decls); 239} 240 241void MultiplexExternalSemaSource::ReadExtVectorDecls( 242 SmallVectorImpl<TypedefNameDecl*> &Decls) { 243 for(size_t i = 0; i < Sources.size(); ++i) 244 Sources[i]->ReadExtVectorDecls(Decls); 245} 246 247void MultiplexExternalSemaSource::ReadUnusedLocalTypedefNameCandidates( 248 llvm::SmallSetVector<const TypedefNameDecl *, 4> &Decls) { 249 for(size_t i = 0; i < Sources.size(); ++i) 250 Sources[i]->ReadUnusedLocalTypedefNameCandidates(Decls); 251} 252 253void MultiplexExternalSemaSource::ReadReferencedSelectors( 254 SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) { 255 for(size_t i = 0; i < Sources.size(); ++i) 256 Sources[i]->ReadReferencedSelectors(Sels); 257} 258 259void MultiplexExternalSemaSource::ReadWeakUndeclaredIdentifiers( 260 SmallVectorImpl<std::pair<IdentifierInfo*, WeakInfo> > &WI) { 261 for(size_t i = 0; i < Sources.size(); ++i) 262 Sources[i]->ReadWeakUndeclaredIdentifiers(WI); 263} 264 265void MultiplexExternalSemaSource::ReadUsedVTables( 266 SmallVectorImpl<ExternalVTableUse> &VTables) { 267 for(size_t i = 0; i < Sources.size(); ++i) 268 Sources[i]->ReadUsedVTables(VTables); 269} 270 271void MultiplexExternalSemaSource::ReadPendingInstantiations( 272 SmallVectorImpl<std::pair<ValueDecl*, 273 SourceLocation> > &Pending) { 274 for(size_t i = 0; i < Sources.size(); ++i) 275 Sources[i]->ReadPendingInstantiations(Pending); 276} 277 278void MultiplexExternalSemaSource::ReadLateParsedTemplates( 279 llvm::MapVector<const FunctionDecl *, LateParsedTemplate *> &LPTMap) { 280 for (size_t i = 0; i < Sources.size(); ++i) 281 Sources[i]->ReadLateParsedTemplates(LPTMap); 282} 283 284TypoCorrection MultiplexExternalSemaSource::CorrectTypo( 285 const DeclarationNameInfo &Typo, 286 int LookupKind, Scope *S, CXXScopeSpec *SS, 287 CorrectionCandidateCallback &CCC, 288 DeclContext *MemberContext, 289 bool EnteringContext, 290 const ObjCObjectPointerType *OPT) { 291 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 292 if (TypoCorrection C = Sources[I]->CorrectTypo(Typo, LookupKind, S, SS, CCC, 293 MemberContext, 294 EnteringContext, OPT)) 295 return C; 296 } 297 return TypoCorrection(); 298} 299 300bool MultiplexExternalSemaSource::MaybeDiagnoseMissingCompleteType( 301 SourceLocation Loc, QualType T) { 302 for (size_t I = 0, E = Sources.size(); I < E; ++I) { 303 if (Sources[I]->MaybeDiagnoseMissingCompleteType(Loc, T)) 304 return true; 305 } 306 return false; 307} 308