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Nico Weber5aa74af2011-01-25 20:34:14 +00001//===- 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"
Nico Weber5aa74af2011-01-25 20:34:14 +000017#include "clang/AST/ASTMutationListener.h"
18#include "clang/AST/DeclGroup.h"
19#include "clang/Serialization/ASTDeserializationListener.h"
20
21using namespace clang;
22
23namespace clang {
24
25// This ASTDeserializationListener forwards its notifications to a set of
26// child listeners.
27class MultiplexASTDeserializationListener
28 : public ASTDeserializationListener {
29public:
30 // Does NOT take ownership of the elements in L.
31 MultiplexASTDeserializationListener(
32 const std::vector<ASTDeserializationListener*>& L);
Stephen Hines651f13c2014-04-23 16:59:28 -070033 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;
Nico Weber5aa74af2011-01-25 20:34:14 +000041private:
42 std::vector<ASTDeserializationListener*> Listeners;
43};
44
45MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
46 const std::vector<ASTDeserializationListener*>& L)
47 : Listeners(L) {
48}
49
50void MultiplexASTDeserializationListener::ReaderInitialized(
51 ASTReader *Reader) {
52 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
53 Listeners[i]->ReaderInitialized(Reader);
54}
55
56void 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
62void 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
68void 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
74void 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
80void MultiplexASTDeserializationListener::MacroDefinitionRead(
Argyrios Kyrtzidise24692b2011-09-15 18:02:56 +000081 serialization::PreprocessedEntityID ID, MacroDefinition *MD) {
Nico Weber5aa74af2011-01-25 20:34:14 +000082 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.
88class MultiplexASTMutationListener : public ASTMutationListener {
89public:
90 // Does NOT take ownership of the elements in L.
Argyrios Kyrtzidis409e2452012-02-10 20:10:38 +000091 MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
Stephen Hines651f13c2014-04-23 16:59:28 -070092 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;
Stephen Hines176edba2014-12-01 14:53:08 -0800110 void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
Eli Friedman86164e82013-09-05 00:02:25 +0000111
Nico Weber5aa74af2011-01-25 20:34:14 +0000112private:
113 std::vector<ASTMutationListener*> Listeners;
114};
115
116MultiplexASTMutationListener::MultiplexASTMutationListener(
Argyrios Kyrtzidis409e2452012-02-10 20:10:38 +0000117 ArrayRef<ASTMutationListener*> L)
118 : Listeners(L.begin(), L.end()) {
Nico Weber5aa74af2011-01-25 20:34:14 +0000119}
120
121void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
122 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
123 Listeners[i]->CompletedTagDefinition(D);
124}
125
126void 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
132void 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}
137void 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}
Sebastian Redl5bbcdbf2011-04-14 14:07:59 +0000142void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
Larisse Voufoef4579c2013-08-06 01:03:05 +0000143 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}
147void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
Sebastian Redl5bbcdbf2011-04-14 14:07:59 +0000148 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}
Richard Smith9dadfab2013-05-11 05:45:24 +0000152void 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}
Sebastian Redl58a2cd82011-04-24 16:28:06 +0000157void MultiplexASTMutationListener::CompletedImplicitDefinition(
158 const FunctionDecl *D) {
159 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
160 Listeners[i]->CompletedImplicitDefinition(D);
161}
Sebastian Redlf79a7192011-04-29 08:19:30 +0000162void MultiplexASTMutationListener::StaticDataMemberInstantiated(
163 const VarDecl *D) {
164 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
165 Listeners[i]->StaticDataMemberInstantiated(D);
166}
Argyrios Kyrtzidis1da95db2012-02-10 20:10:36 +0000167void 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}
173void 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}
Eli Friedman86164e82013-09-05 00:02:25 +0000180void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
181 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
182 Listeners[i]->DeclarationMarkedUsed(D);
183}
Stephen Hines176edba2014-12-01 14:53:08 -0800184void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
185 const Decl *D) {
186 for (size_t i = 0, e = Listeners.size(); i != e; ++i)
187 Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
188}
Nico Weber5aa74af2011-01-25 20:34:14 +0000189
190} // end namespace clang
191
Stephen Hines176edba2014-12-01 14:53:08 -0800192MultiplexConsumer::MultiplexConsumer(
193 std::vector<std::unique_ptr<ASTConsumer>> C)
194 : Consumers(std::move(C)), MutationListener(), DeserializationListener() {
Nico Weber5aa74af2011-01-25 20:34:14 +0000195 // 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;
Stephen Hines176edba2014-12-01 14:53:08 -0800199 for (auto &Consumer : Consumers) {
200 if (auto *mutationListener = Consumer->GetASTMutationListener())
Nico Weber5aa74af2011-01-25 20:34:14 +0000201 mutationListeners.push_back(mutationListener);
Stephen Hines176edba2014-12-01 14:53:08 -0800202 if (auto *serializationListener = Consumer->GetASTDeserializationListener())
Nico Weber5aa74af2011-01-25 20:34:14 +0000203 serializationListeners.push_back(serializationListener);
204 }
Stephen Hines176edba2014-12-01 14:53:08 -0800205 if (!mutationListeners.empty()) {
206 MutationListener =
207 llvm::make_unique<MultiplexASTMutationListener>(mutationListeners);
Nico Weber5aa74af2011-01-25 20:34:14 +0000208 }
Stephen Hines176edba2014-12-01 14:53:08 -0800209 if (!serializationListeners.empty()) {
210 DeserializationListener =
211 llvm::make_unique<MultiplexASTDeserializationListener>(
212 serializationListeners);
Nico Weber5aa74af2011-01-25 20:34:14 +0000213 }
214}
215
Stephen Hines176edba2014-12-01 14:53:08 -0800216MultiplexConsumer::~MultiplexConsumer() {}
Nico Weber5aa74af2011-01-25 20:34:14 +0000217
218void MultiplexConsumer::Initialize(ASTContext &Context) {
Stephen Hines176edba2014-12-01 14:53:08 -0800219 for (auto &Consumer : Consumers)
220 Consumer->Initialize(Context);
Nico Weber5aa74af2011-01-25 20:34:14 +0000221}
222
Argyrios Kyrtzidis88c25962011-11-18 00:26:59 +0000223bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000224 bool Continue = true;
Stephen Hines176edba2014-12-01 14:53:08 -0800225 for (auto &Consumer : Consumers)
226 Continue = Continue && Consumer->HandleTopLevelDecl(D);
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000227 return Continue;
Nico Weber5aa74af2011-01-25 20:34:14 +0000228}
229
Stephen Hines6bcf27b2014-05-29 04:14:42 -0700230void MultiplexConsumer::HandleInlineMethodDefinition(CXXMethodDecl *D) {
Stephen Hines176edba2014-12-01 14:53:08 -0800231 for (auto &Consumer : Consumers)
232 Consumer->HandleInlineMethodDefinition(D);
Stephen Hines6bcf27b2014-05-29 04:14:42 -0700233}
234
Stephen Hines176edba2014-12-01 14:53:08 -0800235void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
236 for (auto &Consumer : Consumers)
237 Consumer->HandleCXXStaticMemberVarInstantiation(VD);
Rafael Espindola234fe652012-03-05 10:54:55 +0000238}
239
Nico Weber5aa74af2011-01-25 20:34:14 +0000240void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
Stephen Hines176edba2014-12-01 14:53:08 -0800241 for (auto &Consumer : Consumers)
242 Consumer->HandleInterestingDecl(D);
Nico Weber5aa74af2011-01-25 20:34:14 +0000243}
244
245void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
Stephen Hines176edba2014-12-01 14:53:08 -0800246 for (auto &Consumer : Consumers)
247 Consumer->HandleTranslationUnit(Ctx);
Nico Weber5aa74af2011-01-25 20:34:14 +0000248}
249
250void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
Stephen Hines176edba2014-12-01 14:53:08 -0800251 for (auto &Consumer : Consumers)
252 Consumer->HandleTagDeclDefinition(D);
253}
254
255void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
256 for (auto &Consumer : Consumers)
257 Consumer->HandleTagDeclRequiredDefinition(D);
Nico Weber5aa74af2011-01-25 20:34:14 +0000258}
259
Argyrios Kyrtzidis6d968362012-02-10 20:10:44 +0000260void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
Stephen Hines176edba2014-12-01 14:53:08 -0800261 for (auto &Consumer : Consumers)
262 Consumer->HandleCXXImplicitFunctionInstantiation(D);
Argyrios Kyrtzidis6d968362012-02-10 20:10:44 +0000263}
264
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000265void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
Stephen Hines176edba2014-12-01 14:53:08 -0800266 for (auto &Consumer : Consumers)
267 Consumer->HandleTopLevelDeclInObjCContainer(D);
268}
269
270void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
271 for (auto &Consumer : Consumers)
272 Consumer->HandleImplicitImportDecl(D);
273}
274
275void MultiplexConsumer::HandleLinkerOptionPragma(llvm::StringRef Opts) {
276 for (auto &Consumer : Consumers)
277 Consumer->HandleLinkerOptionPragma(Opts);
278}
279
280void MultiplexConsumer::HandleDetectMismatch(llvm::StringRef Name, llvm::StringRef Value) {
281 for (auto &Consumer : Consumers)
282 Consumer->HandleDetectMismatch(Name, Value);
283}
284
285void MultiplexConsumer::HandleDependentLibrary(llvm::StringRef Lib) {
286 for (auto &Consumer : Consumers)
287 Consumer->HandleDependentLibrary(Lib);
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000288}
289
Nico Weber5aa74af2011-01-25 20:34:14 +0000290void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
Stephen Hines176edba2014-12-01 14:53:08 -0800291 for (auto &Consumer : Consumers)
292 Consumer->CompleteTentativeDefinition(D);
Nico Weber5aa74af2011-01-25 20:34:14 +0000293}
294
295void MultiplexConsumer::HandleVTable(
296 CXXRecordDecl *RD, bool DefinitionRequired) {
Stephen Hines176edba2014-12-01 14:53:08 -0800297 for (auto &Consumer : Consumers)
298 Consumer->HandleVTable(RD, DefinitionRequired);
Nico Weber5aa74af2011-01-25 20:34:14 +0000299}
300
301ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
302 return MutationListener.get();
303}
304
305ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
306 return DeserializationListener.get();
307}
308
309void MultiplexConsumer::PrintStats() {
Stephen Hines176edba2014-12-01 14:53:08 -0800310 for (auto &Consumer : Consumers)
311 Consumer->PrintStats();
Nico Weber5aa74af2011-01-25 20:34:14 +0000312}
313
314void MultiplexConsumer::InitializeSema(Sema &S) {
Stephen Hines176edba2014-12-01 14:53:08 -0800315 for (auto &Consumer : Consumers)
316 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
Nico Weber5aa74af2011-01-25 20:34:14 +0000317 SC->InitializeSema(S);
318}
319
320void MultiplexConsumer::ForgetSema() {
Stephen Hines176edba2014-12-01 14:53:08 -0800321 for (auto &Consumer : Consumers)
322 if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
Nico Weber5aa74af2011-01-25 20:34:14 +0000323 SC->ForgetSema();
324}