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 #include "clang/Serialization/ASTDeserializationListener.h"
20
21 using namespace clang;
22
23 namespace clang {
24
25 // This ASTDeserializationListener forwards its notifications to a set of
26 // child listeners.
27 class MultiplexASTDeserializationListener
28 : public ASTDeserializationListener {
29 public:
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 TypeRead(serialization::TypeIdx Idx, QualType T) override;
37 void DeclRead(serialization::DeclID ID, const Decl *D) override;
38 void SelectorRead(serialization::SelectorID iD, Selector Sel) override;
39 void MacroDefinitionRead(serialization::PreprocessedEntityID,
40 MacroDefinition *MD) override;
41 private:
42 std::vector<ASTDeserializationListener*> Listeners;
43 };
44
MultiplexASTDeserializationListener(const std::vector<ASTDeserializationListener * > & L)45 MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
46 const std::vector<ASTDeserializationListener*>& L)
47 : Listeners(L) {
48 }
49
ReaderInitialized(ASTReader * Reader)50 void MultiplexASTDeserializationListener::ReaderInitialized(
51 ASTReader *Reader) {
52 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
53 Listeners[i]->ReaderInitialized(Reader);
54 }
55
IdentifierRead(serialization::IdentID ID,IdentifierInfo * II)56 void MultiplexASTDeserializationListener::IdentifierRead(
57 serialization::IdentID ID, IdentifierInfo *II) {
58 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
59 Listeners[i]->IdentifierRead(ID, II);
60 }
61
TypeRead(serialization::TypeIdx Idx,QualType T)62 void MultiplexASTDeserializationListener::TypeRead(
63 serialization::TypeIdx Idx, QualType T) {
64 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
65 Listeners[i]->TypeRead(Idx, T);
66 }
67
DeclRead(serialization::DeclID ID,const Decl * D)68 void MultiplexASTDeserializationListener::DeclRead(
69 serialization::DeclID ID, const Decl *D) {
70 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
71 Listeners[i]->DeclRead(ID, D);
72 }
73
SelectorRead(serialization::SelectorID ID,Selector Sel)74 void MultiplexASTDeserializationListener::SelectorRead(
75 serialization::SelectorID ID, Selector Sel) {
76 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
77 Listeners[i]->SelectorRead(ID, Sel);
78 }
79
MacroDefinitionRead(serialization::PreprocessedEntityID ID,MacroDefinition * MD)80 void MultiplexASTDeserializationListener::MacroDefinitionRead(
81 serialization::PreprocessedEntityID ID, MacroDefinition *MD) {
82 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
83 Listeners[i]->MacroDefinitionRead(ID, MD);
84 }
85
86 // This ASTMutationListener forwards its notifications to a set of
87 // child listeners.
88 class MultiplexASTMutationListener : public ASTMutationListener {
89 public:
90 // Does NOT take ownership of the elements in L.
91 MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
92 void CompletedTagDefinition(const TagDecl *D) override;
93 void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
94 void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
95 void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
96 const ClassTemplateSpecializationDecl *D) override;
97 void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
98 const VarTemplateSpecializationDecl *D) override;
99 void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
100 const FunctionDecl *D) override;
101 void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
102 void CompletedImplicitDefinition(const FunctionDecl *D) override;
103 void StaticDataMemberInstantiated(const VarDecl *D) override;
104 void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
105 const ObjCInterfaceDecl *IFD) override;
106 void AddedObjCPropertyInClassExtension(const ObjCPropertyDecl *Prop,
107 const ObjCPropertyDecl *OrigProp,
108 const ObjCCategoryDecl *ClassExt) override;
109 void DeclarationMarkedUsed(const Decl *D) override;
110 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
111
112 private:
113 std::vector<ASTMutationListener*> Listeners;
114 };
115
MultiplexASTMutationListener(ArrayRef<ASTMutationListener * > L)116 MultiplexASTMutationListener::MultiplexASTMutationListener(
117 ArrayRef<ASTMutationListener*> L)
118 : Listeners(L.begin(), L.end()) {
119 }
120
CompletedTagDefinition(const TagDecl * D)121 void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
122 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
123 Listeners[i]->CompletedTagDefinition(D);
124 }
125
AddedVisibleDecl(const DeclContext * DC,const Decl * D)126 void MultiplexASTMutationListener::AddedVisibleDecl(
127 const DeclContext *DC, const Decl *D) {
128 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
129 Listeners[i]->AddedVisibleDecl(DC, D);
130 }
131
AddedCXXImplicitMember(const CXXRecordDecl * RD,const Decl * D)132 void MultiplexASTMutationListener::AddedCXXImplicitMember(
133 const CXXRecordDecl *RD, const Decl *D) {
134 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
135 Listeners[i]->AddedCXXImplicitMember(RD, D);
136 }
AddedCXXTemplateSpecialization(const ClassTemplateDecl * TD,const ClassTemplateSpecializationDecl * D)137 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
138 const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
139 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
140 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
141 }
AddedCXXTemplateSpecialization(const VarTemplateDecl * TD,const VarTemplateSpecializationDecl * D)142 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
143 const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
144 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
145 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
146 }
AddedCXXTemplateSpecialization(const FunctionTemplateDecl * TD,const FunctionDecl * D)147 void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
148 const FunctionTemplateDecl *TD, const FunctionDecl *D) {
149 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
150 Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
151 }
DeducedReturnType(const FunctionDecl * FD,QualType ReturnType)152 void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
153 QualType ReturnType) {
154 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
155 Listeners[i]->DeducedReturnType(FD, ReturnType);
156 }
CompletedImplicitDefinition(const FunctionDecl * D)157 void MultiplexASTMutationListener::CompletedImplicitDefinition(
158 const FunctionDecl *D) {
159 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
160 Listeners[i]->CompletedImplicitDefinition(D);
161 }
StaticDataMemberInstantiated(const VarDecl * D)162 void MultiplexASTMutationListener::StaticDataMemberInstantiated(
163 const VarDecl *D) {
164 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
165 Listeners[i]->StaticDataMemberInstantiated(D);
166 }
AddedObjCCategoryToInterface(const ObjCCategoryDecl * CatD,const ObjCInterfaceDecl * IFD)167 void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
168 const ObjCCategoryDecl *CatD,
169 const ObjCInterfaceDecl *IFD) {
170 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
171 Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
172 }
AddedObjCPropertyInClassExtension(const ObjCPropertyDecl * Prop,const ObjCPropertyDecl * OrigProp,const ObjCCategoryDecl * ClassExt)173 void MultiplexASTMutationListener::AddedObjCPropertyInClassExtension(
174 const ObjCPropertyDecl *Prop,
175 const ObjCPropertyDecl *OrigProp,
176 const ObjCCategoryDecl *ClassExt) {
177 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
178 Listeners[i]->AddedObjCPropertyInClassExtension(Prop, OrigProp, ClassExt);
179 }
DeclarationMarkedUsed(const Decl * D)180 void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
181 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
182 Listeners[i]->DeclarationMarkedUsed(D);
183 }
DeclarationMarkedOpenMPThreadPrivate(const Decl * D)184 void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
185 const Decl *D) {
186 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
187 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
188 }
189
190 } // end namespace clang
191
MultiplexConsumer(std::vector<std::unique_ptr<ASTConsumer>> C)192 MultiplexConsumer::MultiplexConsumer(
193 std::vector<std::unique_ptr<ASTConsumer>> C)
194 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
195 // Collect the mutation listeners and deserialization listeners of all
196 // children, and create a multiplex listener each if so.
197 std::vector<ASTMutationListener*> mutationListeners;
198 std::vector<ASTDeserializationListener*> serializationListeners;
199 for (auto &Consumer : Consumers) {
200 if (auto *mutationListener = Consumer->GetASTMutationListener())
201 mutationListeners.push_back(mutationListener);
202 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
203 serializationListeners.push_back(serializationListener);
204 }
205 if (!mutationListeners.empty()) {
206 MutationListener =
207 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
208 }
209 if (!serializationListeners.empty()) {
210 DeserializationListener =
211 llvm::make_unique<MultiplexASTDeserializationListener>(
212 serializationListeners);
213 }
214 }
215
~MultiplexConsumer()216 MultiplexConsumer::~MultiplexConsumer() {}
217
Initialize(ASTContext & Context)218 void MultiplexConsumer::Initialize(ASTContext &Context) {
219 for (auto &Consumer : Consumers)
220 Consumer->Initialize(Context);
221 }
222
HandleTopLevelDecl(DeclGroupRef D)223 bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
224 bool Continue = true;
225 for (auto &Consumer : Consumers)
226 Continue = Continue && Consumer->HandleTopLevelDecl(D);
227 return Continue;
228 }
229
HandleInlineMethodDefinition(CXXMethodDecl * D)230 void MultiplexConsumer::HandleInlineMethodDefinition(CXXMethodDecl *D) {
231 for (auto &Consumer : Consumers)
232 Consumer->HandleInlineMethodDefinition(D);
233 }
234
HandleCXXStaticMemberVarInstantiation(VarDecl * VD)235 void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
236 for (auto &Consumer : Consumers)
237 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
238 }
239
HandleInterestingDecl(DeclGroupRef D)240 void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
241 for (auto &Consumer : Consumers)
242 Consumer->HandleInterestingDecl(D);
243 }
244
HandleTranslationUnit(ASTContext & Ctx)245 void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
246 for (auto &Consumer : Consumers)
247 Consumer->HandleTranslationUnit(Ctx);
248 }
249
HandleTagDeclDefinition(TagDecl * D)250 void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
251 for (auto &Consumer : Consumers)
252 Consumer->HandleTagDeclDefinition(D);
253 }
254
HandleTagDeclRequiredDefinition(const TagDecl * D)255 void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
256 for (auto &Consumer : Consumers)
257 Consumer->HandleTagDeclRequiredDefinition(D);
258 }
259
HandleCXXImplicitFunctionInstantiation(FunctionDecl * D)260 void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
261 for (auto &Consumer : Consumers)
262 Consumer->HandleCXXImplicitFunctionInstantiation(D);
263 }
264
HandleTopLevelDeclInObjCContainer(DeclGroupRef D)265 void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
266 for (auto &Consumer : Consumers)
267 Consumer->HandleTopLevelDeclInObjCContainer(D);
268 }
269
HandleImplicitImportDecl(ImportDecl * D)270 void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
271 for (auto &Consumer : Consumers)
272 Consumer->HandleImplicitImportDecl(D);
273 }
274
HandleLinkerOptionPragma(llvm::StringRef Opts)275 void MultiplexConsumer::HandleLinkerOptionPragma(llvm::StringRef Opts) {
276 for (auto &Consumer : Consumers)
277 Consumer->HandleLinkerOptionPragma(Opts);
278 }
279
HandleDetectMismatch(llvm::StringRef Name,llvm::StringRef Value)280 void MultiplexConsumer::HandleDetectMismatch(llvm::StringRef Name, llvm::StringRef Value) {
281 for (auto &Consumer : Consumers)
282 Consumer->HandleDetectMismatch(Name, Value);
283 }
284
HandleDependentLibrary(llvm::StringRef Lib)285 void MultiplexConsumer::HandleDependentLibrary(llvm::StringRef Lib) {
286 for (auto &Consumer : Consumers)
287 Consumer->HandleDependentLibrary(Lib);
288 }
289
CompleteTentativeDefinition(VarDecl * D)290 void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
291 for (auto &Consumer : Consumers)
292 Consumer->CompleteTentativeDefinition(D);
293 }
294
HandleVTable(CXXRecordDecl * RD,bool DefinitionRequired)295 void MultiplexConsumer::HandleVTable(
296 CXXRecordDecl *RD, bool DefinitionRequired) {
297 for (auto &Consumer : Consumers)
298 Consumer->HandleVTable(RD, DefinitionRequired);
299 }
300
GetASTMutationListener()301 ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
302 return MutationListener.get();
303 }
304
GetASTDeserializationListener()305 ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
306 return DeserializationListener.get();
307 }
308
PrintStats()309 void MultiplexConsumer::PrintStats() {
310 for (auto &Consumer : Consumers)
311 Consumer->PrintStats();
312 }
313
InitializeSema(Sema & S)314 void MultiplexConsumer::InitializeSema(Sema &S) {
315 for (auto &Consumer : Consumers)
316 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
317 SC->InitializeSema(S);
318 }
319
ForgetSema()320 void MultiplexConsumer::ForgetSema() {
321 for (auto &Consumer : Consumers)
322 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
323 SC->ForgetSema();
324 }
325