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 DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
129 const Attr *Attr) override;
130 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
131 void AddedAttributeToRecord(const Attr *Attr,
132 const RecordDecl *Record) override;
135 std::vector<ASTMutationListener*> Listeners;
138 MultiplexASTMutationListener::MultiplexASTMutationListener(
139 ArrayRef<ASTMutationListener*> L)
140 : Listeners(L.begin(), L.end()) {
143 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
144 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
145 Listeners[i]->CompletedTagDefinition(D);
148 void MultiplexASTMutationListener::AddedVisibleDecl(
149 const DeclContext *DC, const Decl *D) {
150 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
151 Listeners[i]->AddedVisibleDecl(DC, D);
154 void MultiplexASTMutationListener::AddedCXXImplicitMember(
155 const CXXRecordDecl *RD, const Decl *D) {
156 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
157 Listeners[i]->AddedCXXImplicitMember(RD, D);
159 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
160 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
161 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
162 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
164 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
165 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
166 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
167 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
169 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
170 const FunctionTemplateDecl *TD, const FunctionDecl *D) {
171 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
172 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
174 void MultiplexASTMutationListener::ResolvedExceptionSpec(
175 const FunctionDecl *FD) {
176 for (auto &Listener : Listeners)
177 Listener->ResolvedExceptionSpec(FD);
179 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
180 QualType ReturnType) {
181 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
182 Listeners[i]->DeducedReturnType(FD, ReturnType);
184 void MultiplexASTMutationListener::ResolvedOperatorDelete(
185 const CXXDestructorDecl *DD, const FunctionDecl *Delete) {
186 for (auto *L : Listeners)
187 L->ResolvedOperatorDelete(DD, Delete);
189 void MultiplexASTMutationListener::CompletedImplicitDefinition(
190 const FunctionDecl *D) {
191 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
192 Listeners[i]->CompletedImplicitDefinition(D);
194 void MultiplexASTMutationListener::StaticDataMemberInstantiated(
196 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
197 Listeners[i]->StaticDataMemberInstantiated(D);
199 void MultiplexASTMutationListener::DefaultArgumentInstantiated(
200 const ParmVarDecl *D) {
201 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
202 Listeners[i]->DefaultArgumentInstantiated(D);
204 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
205 const ObjCCategoryDecl *CatD,
206 const ObjCInterfaceDecl *IFD) {
207 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
208 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
210 void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
211 const FunctionDecl *D) {
212 for (auto &Listener : Listeners)
213 Listener->FunctionDefinitionInstantiated(D);
215 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
216 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
217 Listeners[i]->DeclarationMarkedUsed(D);
219 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
221 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
222 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
224 void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
225 const Decl *D, const Attr *Attr) {
226 for (auto *L : Listeners)
227 L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
229 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
231 for (auto *L : Listeners)
232 L->RedefinedHiddenDefinition(D, M);
235 void MultiplexASTMutationListener::AddedAttributeToRecord(
237 const RecordDecl *Record) {
238 for (auto *L : Listeners)
239 L->AddedAttributeToRecord(Attr, Record);
242 } // end namespace clang
244 MultiplexConsumer::MultiplexConsumer(
245 std::vector<std::unique_ptr<ASTConsumer>> C)
246 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
247 // Collect the mutation listeners and deserialization listeners of all
248 // children, and create a multiplex listener each if so.
249 std::vector<ASTMutationListener*> mutationListeners;
250 std::vector<ASTDeserializationListener*> serializationListeners;
251 for (auto &Consumer : Consumers) {
252 if (auto *mutationListener = Consumer->GetASTMutationListener())
253 mutationListeners.push_back(mutationListener);
254 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
255 serializationListeners.push_back(serializationListener);
257 if (!mutationListeners.empty()) {
259 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
261 if (!serializationListeners.empty()) {
262 DeserializationListener =
263 llvm::make_unique<MultiplexASTDeserializationListener>(
264 serializationListeners);
268 MultiplexConsumer::~MultiplexConsumer() {}
270 void MultiplexConsumer::Initialize(ASTContext &Context) {
271 for (auto &Consumer : Consumers)
272 Consumer->Initialize(Context);
275 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
276 bool Continue = true;
277 for (auto &Consumer : Consumers)
278 Continue = Continue && Consumer->HandleTopLevelDecl(D);
282 void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
283 for (auto &Consumer : Consumers)
284 Consumer->HandleInlineFunctionDefinition(D);
287 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
288 for (auto &Consumer : Consumers)
289 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
292 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
293 for (auto &Consumer : Consumers)
294 Consumer->HandleInterestingDecl(D);
297 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
298 for (auto &Consumer : Consumers)
299 Consumer->HandleTranslationUnit(Ctx);
302 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
303 for (auto &Consumer : Consumers)
304 Consumer->HandleTagDeclDefinition(D);
307 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
308 for (auto &Consumer : Consumers)
309 Consumer->HandleTagDeclRequiredDefinition(D);
312 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
313 for (auto &Consumer : Consumers)
314 Consumer->HandleCXXImplicitFunctionInstantiation(D);
317 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
318 for (auto &Consumer : Consumers)
319 Consumer->HandleTopLevelDeclInObjCContainer(D);
322 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
323 for (auto &Consumer : Consumers)
324 Consumer->HandleImplicitImportDecl(D);
327 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
328 for (auto &Consumer : Consumers)
329 Consumer->CompleteTentativeDefinition(D);
332 void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
333 for (auto &Consumer : Consumers)
334 Consumer->AssignInheritanceModel(RD);
337 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
338 for (auto &Consumer : Consumers)
339 Consumer->HandleVTable(RD);
342 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
343 return MutationListener.get();
346 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
347 return DeserializationListener.get();
350 void MultiplexConsumer::PrintStats() {
351 for (auto &Consumer : Consumers)
352 Consumer->PrintStats();
355 bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
357 for (auto &Consumer : Consumers)
358 Skip = Skip && Consumer->shouldSkipFunctionBody(D);
362 void MultiplexConsumer::InitializeSema(Sema &S) {
363 for (auto &Consumer : Consumers)
364 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
365 SC->InitializeSema(S);
368 void MultiplexConsumer::ForgetSema() {
369 for (auto &Consumer : Consumers)
370 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))