1 //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the MultiplexConsumer class. It also declares and defines
11 // MultiplexASTDeserializationListener and MultiplexASTMutationListener, which
12 // are implementation details of MultiplexConsumer.
14 //===----------------------------------------------------------------------===//
16 #include "clang/Frontend/MultiplexConsumer.h"
17 #include "clang/AST/ASTMutationListener.h"
18 #include "clang/AST/DeclGroup.h"
19 #include "clang/Serialization/ASTDeserializationListener.h"
21 using namespace clang;
25 // This ASTDeserializationListener forwards its notifications to a set of
27 class MultiplexASTDeserializationListener
28 : public ASTDeserializationListener {
30 // Does NOT take ownership of the elements in L.
31 MultiplexASTDeserializationListener(
32 const std::vector<ASTDeserializationListener*>& L);
33 void ReaderInitialized(ASTReader *Reader) override;
34 void IdentifierRead(serialization::IdentID ID,
35 IdentifierInfo *II) override;
36 void MacroRead(serialization::MacroID ID, MacroInfo *MI) override;
37 void TypeRead(serialization::TypeIdx Idx, QualType T) override;
38 void DeclRead(serialization::DeclID ID, const Decl *D) override;
39 void SelectorRead(serialization::SelectorID iD, Selector Sel) override;
40 void MacroDefinitionRead(serialization::PreprocessedEntityID,
41 MacroDefinitionRecord *MD) override;
42 void ModuleRead(serialization::SubmoduleID ID, Module *Mod) override;
45 std::vector<ASTDeserializationListener *> Listeners;
48 MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
49 const std::vector<ASTDeserializationListener*>& L)
53 void MultiplexASTDeserializationListener::ReaderInitialized(
55 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
56 Listeners[i]->ReaderInitialized(Reader);
59 void MultiplexASTDeserializationListener::IdentifierRead(
60 serialization::IdentID ID, IdentifierInfo *II) {
61 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
62 Listeners[i]->IdentifierRead(ID, II);
65 void MultiplexASTDeserializationListener::MacroRead(
66 serialization::MacroID ID, MacroInfo *MI) {
67 for (auto &Listener : Listeners)
68 Listener->MacroRead(ID, MI);
71 void MultiplexASTDeserializationListener::TypeRead(
72 serialization::TypeIdx Idx, QualType T) {
73 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
74 Listeners[i]->TypeRead(Idx, T);
77 void MultiplexASTDeserializationListener::DeclRead(
78 serialization::DeclID ID, const Decl *D) {
79 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
80 Listeners[i]->DeclRead(ID, D);
83 void MultiplexASTDeserializationListener::SelectorRead(
84 serialization::SelectorID ID, Selector Sel) {
85 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
86 Listeners[i]->SelectorRead(ID, Sel);
89 void MultiplexASTDeserializationListener::MacroDefinitionRead(
90 serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) {
91 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
92 Listeners[i]->MacroDefinitionRead(ID, MD);
95 void MultiplexASTDeserializationListener::ModuleRead(
96 serialization::SubmoduleID ID, Module *Mod) {
97 for (auto &Listener : Listeners)
98 Listener->ModuleRead(ID, Mod);
101 // This ASTMutationListener forwards its notifications to a set of
103 class MultiplexASTMutationListener : public ASTMutationListener {
105 // Does NOT take ownership of the elements in L.
106 MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
107 void CompletedTagDefinition(const TagDecl *D) override;
108 void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
109 void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
110 void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
111 const ClassTemplateSpecializationDecl *D) override;
112 void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
113 const VarTemplateSpecializationDecl *D) override;
114 void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
115 const FunctionDecl *D) override;
116 void ResolvedExceptionSpec(const FunctionDecl *FD) override;
117 void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
118 void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
119 const FunctionDecl *Delete) override;
120 void CompletedImplicitDefinition(const FunctionDecl *D) override;
121 void StaticDataMemberInstantiated(const VarDecl *D) override;
122 void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
123 void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
124 const ObjCInterfaceDecl *IFD) override;
125 void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
126 void DeclarationMarkedUsed(const Decl *D) override;
127 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
128 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
129 void AddedAttributeToRecord(const Attr *Attr,
130 const RecordDecl *Record) override;
133 std::vector<ASTMutationListener*> Listeners;
136 MultiplexASTMutationListener::MultiplexASTMutationListener(
137 ArrayRef<ASTMutationListener*> L)
138 : Listeners(L.begin(), L.end()) {
141 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
142 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
143 Listeners[i]->CompletedTagDefinition(D);
146 void MultiplexASTMutationListener::AddedVisibleDecl(
147 const DeclContext *DC, const Decl *D) {
148 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
149 Listeners[i]->AddedVisibleDecl(DC, D);
152 void MultiplexASTMutationListener::AddedCXXImplicitMember(
153 const CXXRecordDecl *RD, const Decl *D) {
154 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
155 Listeners[i]->AddedCXXImplicitMember(RD, D);
157 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
158 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
159 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
160 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
162 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
163 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
164 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
165 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
167 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
168 const FunctionTemplateDecl *TD, const FunctionDecl *D) {
169 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
170 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
172 void MultiplexASTMutationListener::ResolvedExceptionSpec(
173 const FunctionDecl *FD) {
174 for (auto &Listener : Listeners)
175 Listener->ResolvedExceptionSpec(FD);
177 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
178 QualType ReturnType) {
179 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
180 Listeners[i]->DeducedReturnType(FD, ReturnType);
182 void MultiplexASTMutationListener::ResolvedOperatorDelete(
183 const CXXDestructorDecl *DD, const FunctionDecl *Delete) {
184 for (auto *L : Listeners)
185 L->ResolvedOperatorDelete(DD, Delete);
187 void MultiplexASTMutationListener::CompletedImplicitDefinition(
188 const FunctionDecl *D) {
189 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
190 Listeners[i]->CompletedImplicitDefinition(D);
192 void MultiplexASTMutationListener::StaticDataMemberInstantiated(
194 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
195 Listeners[i]->StaticDataMemberInstantiated(D);
197 void MultiplexASTMutationListener::DefaultArgumentInstantiated(
198 const ParmVarDecl *D) {
199 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
200 Listeners[i]->DefaultArgumentInstantiated(D);
202 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
203 const ObjCCategoryDecl *CatD,
204 const ObjCInterfaceDecl *IFD) {
205 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
206 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
208 void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
209 const FunctionDecl *D) {
210 for (auto &Listener : Listeners)
211 Listener->FunctionDefinitionInstantiated(D);
213 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
214 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
215 Listeners[i]->DeclarationMarkedUsed(D);
217 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
219 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
220 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
222 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
224 for (auto *L : Listeners)
225 L->RedefinedHiddenDefinition(D, M);
228 void MultiplexASTMutationListener::AddedAttributeToRecord(
230 const RecordDecl *Record) {
231 for (auto *L : Listeners)
232 L->AddedAttributeToRecord(Attr, Record);
235 } // end namespace clang
237 MultiplexConsumer::MultiplexConsumer(
238 std::vector<std::unique_ptr<ASTConsumer>> C)
239 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
240 // Collect the mutation listeners and deserialization listeners of all
241 // children, and create a multiplex listener each if so.
242 std::vector<ASTMutationListener*> mutationListeners;
243 std::vector<ASTDeserializationListener*> serializationListeners;
244 for (auto &Consumer : Consumers) {
245 if (auto *mutationListener = Consumer->GetASTMutationListener())
246 mutationListeners.push_back(mutationListener);
247 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
248 serializationListeners.push_back(serializationListener);
250 if (!mutationListeners.empty()) {
252 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
254 if (!serializationListeners.empty()) {
255 DeserializationListener =
256 llvm::make_unique<MultiplexASTDeserializationListener>(
257 serializationListeners);
261 MultiplexConsumer::~MultiplexConsumer() {}
263 void MultiplexConsumer::Initialize(ASTContext &Context) {
264 for (auto &Consumer : Consumers)
265 Consumer->Initialize(Context);
268 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
269 bool Continue = true;
270 for (auto &Consumer : Consumers)
271 Continue = Continue && Consumer->HandleTopLevelDecl(D);
275 void MultiplexConsumer::HandleInlineMethodDefinition(CXXMethodDecl *D) {
276 for (auto &Consumer : Consumers)
277 Consumer->HandleInlineMethodDefinition(D);
280 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
281 for (auto &Consumer : Consumers)
282 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
285 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
286 for (auto &Consumer : Consumers)
287 Consumer->HandleInterestingDecl(D);
290 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
291 for (auto &Consumer : Consumers)
292 Consumer->HandleTranslationUnit(Ctx);
295 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
296 for (auto &Consumer : Consumers)
297 Consumer->HandleTagDeclDefinition(D);
300 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
301 for (auto &Consumer : Consumers)
302 Consumer->HandleTagDeclRequiredDefinition(D);
305 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
306 for (auto &Consumer : Consumers)
307 Consumer->HandleCXXImplicitFunctionInstantiation(D);
310 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
311 for (auto &Consumer : Consumers)
312 Consumer->HandleTopLevelDeclInObjCContainer(D);
315 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
316 for (auto &Consumer : Consumers)
317 Consumer->HandleImplicitImportDecl(D);
320 void MultiplexConsumer::HandleLinkerOptionPragma(llvm::StringRef Opts) {
321 for (auto &Consumer : Consumers)
322 Consumer->HandleLinkerOptionPragma(Opts);
325 void MultiplexConsumer::HandleDetectMismatch(llvm::StringRef Name, llvm::StringRef Value) {
326 for (auto &Consumer : Consumers)
327 Consumer->HandleDetectMismatch(Name, Value);
330 void MultiplexConsumer::HandleDependentLibrary(llvm::StringRef Lib) {
331 for (auto &Consumer : Consumers)
332 Consumer->HandleDependentLibrary(Lib);
335 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
336 for (auto &Consumer : Consumers)
337 Consumer->CompleteTentativeDefinition(D);
340 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
341 for (auto &Consumer : Consumers)
342 Consumer->HandleVTable(RD);
345 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
346 return MutationListener.get();
349 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
350 return DeserializationListener.get();
353 void MultiplexConsumer::PrintStats() {
354 for (auto &Consumer : Consumers)
355 Consumer->PrintStats();
358 void MultiplexConsumer::InitializeSema(Sema &S) {
359 for (auto &Consumer : Consumers)
360 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
361 SC->InitializeSema(S);
364 void MultiplexConsumer::ForgetSema() {
365 for (auto &Consumer : Consumers)
366 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))