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,
120 Expr *ThisArg) override;
121 void CompletedImplicitDefinition(const FunctionDecl *D) override;
122 void InstantiationRequested(const ValueDecl *D) override;
123 void VariableDefinitionInstantiated(const VarDecl *D) override;
124 void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
125 void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
126 void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
127 void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
128 const ObjCInterfaceDecl *IFD) override;
129 void DeclarationMarkedUsed(const Decl *D) override;
130 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
131 void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
132 const Attr *Attr) override;
133 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
134 void AddedAttributeToRecord(const Attr *Attr,
135 const RecordDecl *Record) override;
138 std::vector<ASTMutationListener*> Listeners;
141 MultiplexASTMutationListener::MultiplexASTMutationListener(
142 ArrayRef<ASTMutationListener*> L)
143 : Listeners(L.begin(), L.end()) {
146 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
147 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
148 Listeners[i]->CompletedTagDefinition(D);
151 void MultiplexASTMutationListener::AddedVisibleDecl(
152 const DeclContext *DC, const Decl *D) {
153 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
154 Listeners[i]->AddedVisibleDecl(DC, D);
157 void MultiplexASTMutationListener::AddedCXXImplicitMember(
158 const CXXRecordDecl *RD, const Decl *D) {
159 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
160 Listeners[i]->AddedCXXImplicitMember(RD, D);
162 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
163 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *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 VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
169 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
170 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
172 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
173 const FunctionTemplateDecl *TD, const FunctionDecl *D) {
174 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
175 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
177 void MultiplexASTMutationListener::ResolvedExceptionSpec(
178 const FunctionDecl *FD) {
179 for (auto &Listener : Listeners)
180 Listener->ResolvedExceptionSpec(FD);
182 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
183 QualType ReturnType) {
184 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
185 Listeners[i]->DeducedReturnType(FD, ReturnType);
187 void MultiplexASTMutationListener::ResolvedOperatorDelete(
188 const CXXDestructorDecl *DD, const FunctionDecl *Delete, Expr *ThisArg) {
189 for (auto *L : Listeners)
190 L->ResolvedOperatorDelete(DD, Delete, ThisArg);
192 void MultiplexASTMutationListener::CompletedImplicitDefinition(
193 const FunctionDecl *D) {
194 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
195 Listeners[i]->CompletedImplicitDefinition(D);
197 void MultiplexASTMutationListener::InstantiationRequested(const ValueDecl *D) {
198 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
199 Listeners[i]->InstantiationRequested(D);
201 void MultiplexASTMutationListener::VariableDefinitionInstantiated(
203 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
204 Listeners[i]->VariableDefinitionInstantiated(D);
206 void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
207 const FunctionDecl *D) {
208 for (auto &Listener : Listeners)
209 Listener->FunctionDefinitionInstantiated(D);
211 void MultiplexASTMutationListener::DefaultArgumentInstantiated(
212 const ParmVarDecl *D) {
213 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
214 Listeners[i]->DefaultArgumentInstantiated(D);
216 void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
217 const FieldDecl *D) {
218 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
219 Listeners[i]->DefaultMemberInitializerInstantiated(D);
221 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
222 const ObjCCategoryDecl *CatD,
223 const ObjCInterfaceDecl *IFD) {
224 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
225 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
227 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
228 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
229 Listeners[i]->DeclarationMarkedUsed(D);
231 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
233 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
234 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
236 void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
237 const Decl *D, const Attr *Attr) {
238 for (auto *L : Listeners)
239 L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
241 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
243 for (auto *L : Listeners)
244 L->RedefinedHiddenDefinition(D, M);
247 void MultiplexASTMutationListener::AddedAttributeToRecord(
249 const RecordDecl *Record) {
250 for (auto *L : Listeners)
251 L->AddedAttributeToRecord(Attr, Record);
254 } // end namespace clang
256 MultiplexConsumer::MultiplexConsumer(
257 std::vector<std::unique_ptr<ASTConsumer>> C)
258 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
259 // Collect the mutation listeners and deserialization listeners of all
260 // children, and create a multiplex listener each if so.
261 std::vector<ASTMutationListener*> mutationListeners;
262 std::vector<ASTDeserializationListener*> serializationListeners;
263 for (auto &Consumer : Consumers) {
264 if (auto *mutationListener = Consumer->GetASTMutationListener())
265 mutationListeners.push_back(mutationListener);
266 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
267 serializationListeners.push_back(serializationListener);
269 if (!mutationListeners.empty()) {
271 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
273 if (!serializationListeners.empty()) {
274 DeserializationListener =
275 llvm::make_unique<MultiplexASTDeserializationListener>(
276 serializationListeners);
280 MultiplexConsumer::~MultiplexConsumer() {}
282 void MultiplexConsumer::Initialize(ASTContext &Context) {
283 for (auto &Consumer : Consumers)
284 Consumer->Initialize(Context);
287 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
288 bool Continue = true;
289 for (auto &Consumer : Consumers)
290 Continue = Continue && Consumer->HandleTopLevelDecl(D);
294 void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
295 for (auto &Consumer : Consumers)
296 Consumer->HandleInlineFunctionDefinition(D);
299 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
300 for (auto &Consumer : Consumers)
301 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
304 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
305 for (auto &Consumer : Consumers)
306 Consumer->HandleInterestingDecl(D);
309 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
310 for (auto &Consumer : Consumers)
311 Consumer->HandleTranslationUnit(Ctx);
314 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
315 for (auto &Consumer : Consumers)
316 Consumer->HandleTagDeclDefinition(D);
319 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
320 for (auto &Consumer : Consumers)
321 Consumer->HandleTagDeclRequiredDefinition(D);
324 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
325 for (auto &Consumer : Consumers)
326 Consumer->HandleCXXImplicitFunctionInstantiation(D);
329 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
330 for (auto &Consumer : Consumers)
331 Consumer->HandleTopLevelDeclInObjCContainer(D);
334 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
335 for (auto &Consumer : Consumers)
336 Consumer->HandleImplicitImportDecl(D);
339 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
340 for (auto &Consumer : Consumers)
341 Consumer->CompleteTentativeDefinition(D);
344 void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
345 for (auto &Consumer : Consumers)
346 Consumer->AssignInheritanceModel(RD);
349 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
350 for (auto &Consumer : Consumers)
351 Consumer->HandleVTable(RD);
354 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
355 return MutationListener.get();
358 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
359 return DeserializationListener.get();
362 void MultiplexConsumer::PrintStats() {
363 for (auto &Consumer : Consumers)
364 Consumer->PrintStats();
367 bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
369 for (auto &Consumer : Consumers)
370 Skip = Skip && Consumer->shouldSkipFunctionBody(D);
374 void MultiplexConsumer::InitializeSema(Sema &S) {
375 for (auto &Consumer : Consumers)
376 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
377 SC->InitializeSema(S);
380 void MultiplexConsumer::ForgetSema() {
381 for (auto &Consumer : Consumers)
382 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))