1 //===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
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 defines the MultiplexConsumer class. It also declares and defines
11 // MultiplexASTDeserializationListener and MultiplexASTMutationListener, which
12 // are implementation details of MultiplexConsumer.
13 //
14 //===----------------------------------------------------------------------===//
15
16 #include "clang/Frontend/MultiplexConsumer.h"
17 #include "clang/AST/ASTMutationListener.h"
18 #include "clang/AST/DeclGroup.h"
19
20 using namespace clang;
21
22 namespace clang {
23
MultiplexASTDeserializationListener(const std::vector<ASTDeserializationListener * > & L)24 MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
25 const std::vector<ASTDeserializationListener*>& L)
26 : Listeners(L) {
27 }
28
ReaderInitialized(ASTReader * Reader)29 void MultiplexASTDeserializationListener::ReaderInitialized(
30 ASTReader *Reader) {
31 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
32 Listeners[i]->ReaderInitialized(Reader);
33 }
34
IdentifierRead(serialization::IdentID ID,IdentifierInfo * II)35 void MultiplexASTDeserializationListener::IdentifierRead(
36 serialization::IdentID ID, IdentifierInfo *II) {
37 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
38 Listeners[i]->IdentifierRead(ID, II);
39 }
40
MacroRead(serialization::MacroID ID,MacroInfo * MI)41 void MultiplexASTDeserializationListener::MacroRead(
42 serialization::MacroID ID, MacroInfo *MI) {
43 for (auto &Listener : Listeners)
44 Listener->MacroRead(ID, MI);
45 }
46
TypeRead(serialization::TypeIdx Idx,QualType T)47 void MultiplexASTDeserializationListener::TypeRead(
48 serialization::TypeIdx Idx, QualType T) {
49 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
50 Listeners[i]->TypeRead(Idx, T);
51 }
52
DeclRead(serialization::DeclID ID,const Decl * D)53 void MultiplexASTDeserializationListener::DeclRead(
54 serialization::DeclID ID, const Decl *D) {
55 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
56 Listeners[i]->DeclRead(ID, D);
57 }
58
SelectorRead(serialization::SelectorID ID,Selector Sel)59 void MultiplexASTDeserializationListener::SelectorRead(
60 serialization::SelectorID ID, Selector Sel) {
61 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
62 Listeners[i]->SelectorRead(ID, Sel);
63 }
64
MacroDefinitionRead(serialization::PreprocessedEntityID ID,MacroDefinitionRecord * MD)65 void MultiplexASTDeserializationListener::MacroDefinitionRead(
66 serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) {
67 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
68 Listeners[i]->MacroDefinitionRead(ID, MD);
69 }
70
ModuleRead(serialization::SubmoduleID ID,Module * Mod)71 void MultiplexASTDeserializationListener::ModuleRead(
72 serialization::SubmoduleID ID, Module *Mod) {
73 for (auto &Listener : Listeners)
74 Listener->ModuleRead(ID, Mod);
75 }
76
77 // This ASTMutationListener forwards its notifications to a set of
78 // child listeners.
79 class MultiplexASTMutationListener : public ASTMutationListener {
80 public:
81 // Does NOT take ownership of the elements in L.
82 MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
83 void CompletedTagDefinition(const TagDecl *D) override;
84 void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
85 void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
86 void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
87 const ClassTemplateSpecializationDecl *D) override;
88 void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
89 const VarTemplateSpecializationDecl *D) override;
90 void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
91 const FunctionDecl *D) override;
92 void ResolvedExceptionSpec(const FunctionDecl *FD) override;
93 void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
94 void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
95 const FunctionDecl *Delete,
96 Expr *ThisArg) override;
97 void CompletedImplicitDefinition(const FunctionDecl *D) override;
98 void InstantiationRequested(const ValueDecl *D) override;
99 void VariableDefinitionInstantiated(const VarDecl *D) override;
100 void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
101 void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
102 void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
103 void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
104 const ObjCInterfaceDecl *IFD) override;
105 void DeclarationMarkedUsed(const Decl *D) override;
106 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
107 void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
108 const Attr *Attr) override;
109 void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
110 void AddedAttributeToRecord(const Attr *Attr,
111 const RecordDecl *Record) override;
112
113 private:
114 std::vector<ASTMutationListener*> Listeners;
115 };
116
MultiplexASTMutationListener(ArrayRef<ASTMutationListener * > L)117 MultiplexASTMutationListener::MultiplexASTMutationListener(
118 ArrayRef<ASTMutationListener*> L)
119 : Listeners(L.begin(), L.end()) {
120 }
121
CompletedTagDefinition(const TagDecl * D)122 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
123 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
124 Listeners[i]->CompletedTagDefinition(D);
125 }
126
AddedVisibleDecl(const DeclContext * DC,const Decl * D)127 void MultiplexASTMutationListener::AddedVisibleDecl(
128 const DeclContext *DC, const Decl *D) {
129 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
130 Listeners[i]->AddedVisibleDecl(DC, D);
131 }
132
AddedCXXImplicitMember(const CXXRecordDecl * RD,const Decl * D)133 void MultiplexASTMutationListener::AddedCXXImplicitMember(
134 const CXXRecordDecl *RD, const Decl *D) {
135 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
136 Listeners[i]->AddedCXXImplicitMember(RD, D);
137 }
AddedCXXTemplateSpecialization(const ClassTemplateDecl * TD,const ClassTemplateSpecializationDecl * D)138 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
139 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
140 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
141 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
142 }
AddedCXXTemplateSpecialization(const VarTemplateDecl * TD,const VarTemplateSpecializationDecl * D)143 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
144 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
145 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
146 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
147 }
AddedCXXTemplateSpecialization(const FunctionTemplateDecl * TD,const FunctionDecl * D)148 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
149 const FunctionTemplateDecl *TD, const FunctionDecl *D) {
150 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
151 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
152 }
ResolvedExceptionSpec(const FunctionDecl * FD)153 void MultiplexASTMutationListener::ResolvedExceptionSpec(
154 const FunctionDecl *FD) {
155 for (auto &Listener : Listeners)
156 Listener->ResolvedExceptionSpec(FD);
157 }
DeducedReturnType(const FunctionDecl * FD,QualType ReturnType)158 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
159 QualType ReturnType) {
160 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
161 Listeners[i]->DeducedReturnType(FD, ReturnType);
162 }
ResolvedOperatorDelete(const CXXDestructorDecl * DD,const FunctionDecl * Delete,Expr * ThisArg)163 void MultiplexASTMutationListener::ResolvedOperatorDelete(
164 const CXXDestructorDecl *DD, const FunctionDecl *Delete, Expr *ThisArg) {
165 for (auto *L : Listeners)
166 L->ResolvedOperatorDelete(DD, Delete, ThisArg);
167 }
CompletedImplicitDefinition(const FunctionDecl * D)168 void MultiplexASTMutationListener::CompletedImplicitDefinition(
169 const FunctionDecl *D) {
170 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
171 Listeners[i]->CompletedImplicitDefinition(D);
172 }
InstantiationRequested(const ValueDecl * D)173 void MultiplexASTMutationListener::InstantiationRequested(const ValueDecl *D) {
174 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
175 Listeners[i]->InstantiationRequested(D);
176 }
VariableDefinitionInstantiated(const VarDecl * D)177 void MultiplexASTMutationListener::VariableDefinitionInstantiated(
178 const VarDecl *D) {
179 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
180 Listeners[i]->VariableDefinitionInstantiated(D);
181 }
FunctionDefinitionInstantiated(const FunctionDecl * D)182 void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
183 const FunctionDecl *D) {
184 for (auto &Listener : Listeners)
185 Listener->FunctionDefinitionInstantiated(D);
186 }
DefaultArgumentInstantiated(const ParmVarDecl * D)187 void MultiplexASTMutationListener::DefaultArgumentInstantiated(
188 const ParmVarDecl *D) {
189 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
190 Listeners[i]->DefaultArgumentInstantiated(D);
191 }
DefaultMemberInitializerInstantiated(const FieldDecl * D)192 void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
193 const FieldDecl *D) {
194 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
195 Listeners[i]->DefaultMemberInitializerInstantiated(D);
196 }
AddedObjCCategoryToInterface(const ObjCCategoryDecl * CatD,const ObjCInterfaceDecl * IFD)197 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
198 const ObjCCategoryDecl *CatD,
199 const ObjCInterfaceDecl *IFD) {
200 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
201 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
202 }
DeclarationMarkedUsed(const Decl * D)203 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
204 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
205 Listeners[i]->DeclarationMarkedUsed(D);
206 }
DeclarationMarkedOpenMPThreadPrivate(const Decl * D)207 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
208 const Decl *D) {
209 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
210 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
211 }
DeclarationMarkedOpenMPDeclareTarget(const Decl * D,const Attr * Attr)212 void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
213 const Decl *D, const Attr *Attr) {
214 for (auto *L : Listeners)
215 L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
216 }
RedefinedHiddenDefinition(const NamedDecl * D,Module * M)217 void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
218 Module *M) {
219 for (auto *L : Listeners)
220 L->RedefinedHiddenDefinition(D, M);
221 }
222
AddedAttributeToRecord(const Attr * Attr,const RecordDecl * Record)223 void MultiplexASTMutationListener::AddedAttributeToRecord(
224 const Attr *Attr,
225 const RecordDecl *Record) {
226 for (auto *L : Listeners)
227 L->AddedAttributeToRecord(Attr, Record);
228 }
229
230 } // end namespace clang
231
MultiplexConsumer(std::vector<std::unique_ptr<ASTConsumer>> C)232 MultiplexConsumer::MultiplexConsumer(
233 std::vector<std::unique_ptr<ASTConsumer>> C)
234 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
235 // Collect the mutation listeners and deserialization listeners of all
236 // children, and create a multiplex listener each if so.
237 std::vector<ASTMutationListener*> mutationListeners;
238 std::vector<ASTDeserializationListener*> serializationListeners;
239 for (auto &Consumer : Consumers) {
240 if (auto *mutationListener = Consumer->GetASTMutationListener())
241 mutationListeners.push_back(mutationListener);
242 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
243 serializationListeners.push_back(serializationListener);
244 }
245 if (!mutationListeners.empty()) {
246 MutationListener =
247 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
248 }
249 if (!serializationListeners.empty()) {
250 DeserializationListener =
251 llvm::make_unique<MultiplexASTDeserializationListener>(
252 serializationListeners);
253 }
254 }
255
~MultiplexConsumer()256 MultiplexConsumer::~MultiplexConsumer() {}
257
Initialize(ASTContext & Context)258 void MultiplexConsumer::Initialize(ASTContext &Context) {
259 for (auto &Consumer : Consumers)
260 Consumer->Initialize(Context);
261 }
262
HandleTopLevelDecl(DeclGroupRef D)263 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
264 bool Continue = true;
265 for (auto &Consumer : Consumers)
266 Continue = Continue && Consumer->HandleTopLevelDecl(D);
267 return Continue;
268 }
269
HandleInlineFunctionDefinition(FunctionDecl * D)270 void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
271 for (auto &Consumer : Consumers)
272 Consumer->HandleInlineFunctionDefinition(D);
273 }
274
HandleCXXStaticMemberVarInstantiation(VarDecl * VD)275 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
276 for (auto &Consumer : Consumers)
277 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
278 }
279
HandleInterestingDecl(DeclGroupRef D)280 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
281 for (auto &Consumer : Consumers)
282 Consumer->HandleInterestingDecl(D);
283 }
284
HandleTranslationUnit(ASTContext & Ctx)285 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
286 for (auto &Consumer : Consumers)
287 Consumer->HandleTranslationUnit(Ctx);
288 }
289
HandleTagDeclDefinition(TagDecl * D)290 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
291 for (auto &Consumer : Consumers)
292 Consumer->HandleTagDeclDefinition(D);
293 }
294
HandleTagDeclRequiredDefinition(const TagDecl * D)295 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
296 for (auto &Consumer : Consumers)
297 Consumer->HandleTagDeclRequiredDefinition(D);
298 }
299
HandleCXXImplicitFunctionInstantiation(FunctionDecl * D)300 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
301 for (auto &Consumer : Consumers)
302 Consumer->HandleCXXImplicitFunctionInstantiation(D);
303 }
304
HandleTopLevelDeclInObjCContainer(DeclGroupRef D)305 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
306 for (auto &Consumer : Consumers)
307 Consumer->HandleTopLevelDeclInObjCContainer(D);
308 }
309
HandleImplicitImportDecl(ImportDecl * D)310 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
311 for (auto &Consumer : Consumers)
312 Consumer->HandleImplicitImportDecl(D);
313 }
314
CompleteTentativeDefinition(VarDecl * D)315 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
316 for (auto &Consumer : Consumers)
317 Consumer->CompleteTentativeDefinition(D);
318 }
319
AssignInheritanceModel(CXXRecordDecl * RD)320 void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
321 for (auto &Consumer : Consumers)
322 Consumer->AssignInheritanceModel(RD);
323 }
324
HandleVTable(CXXRecordDecl * RD)325 void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
326 for (auto &Consumer : Consumers)
327 Consumer->HandleVTable(RD);
328 }
329
GetASTMutationListener()330 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
331 return MutationListener.get();
332 }
333
GetASTDeserializationListener()334 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
335 return DeserializationListener.get();
336 }
337
PrintStats()338 void MultiplexConsumer::PrintStats() {
339 for (auto &Consumer : Consumers)
340 Consumer->PrintStats();
341 }
342
shouldSkipFunctionBody(Decl * D)343 bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
344 bool Skip = true;
345 for (auto &Consumer : Consumers)
346 Skip = Skip && Consumer->shouldSkipFunctionBody(D);
347 return Skip;
348 }
349
InitializeSema(Sema & S)350 void MultiplexConsumer::InitializeSema(Sema &S) {
351 for (auto &Consumer : Consumers)
352 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
353 SC->InitializeSema(S);
354 }
355
ForgetSema()356 void MultiplexConsumer::ForgetSema() {
357 for (auto &Consumer : Consumers)
358 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
359 SC->ForgetSema();
360 }
361