1 //===-- MultiplexConsumer.h - AST Consumer for PCH Generation ---*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file declares the MultiplexConsumer class, which can be used to
10 // multiplex ASTConsumer and SemaConsumer messages to many consumers.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_FRONTEND_MULTIPLEXCONSUMER_H
15 #define LLVM_CLANG_FRONTEND_MULTIPLEXCONSUMER_H
17 #include "clang/Basic/LLVM.h"
18 #include "clang/Sema/SemaConsumer.h"
19 #include "clang/Serialization/ASTDeserializationListener.h"
25 class MultiplexASTMutationListener;
27 // This ASTDeserializationListener forwards its notifications to a set of
29 class MultiplexASTDeserializationListener : public ASTDeserializationListener {
31 // Does NOT take ownership of the elements in L.
32 MultiplexASTDeserializationListener(
33 const std::vector<ASTDeserializationListener *> &L);
34 void ReaderInitialized(ASTReader *Reader) override;
35 void IdentifierRead(serialization::IdentID ID, 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 // Has a list of ASTConsumers and calls each of them. Owns its children.
49 class MultiplexConsumer : public SemaConsumer {
51 // Takes ownership of the pointers in C.
52 MultiplexConsumer(std::vector<std::unique_ptr<ASTConsumer>> C);
53 ~MultiplexConsumer() override;
56 void Initialize(ASTContext &Context) override;
57 void HandleCXXStaticMemberVarInstantiation(VarDecl *VD) override;
58 bool HandleTopLevelDecl(DeclGroupRef D) override;
59 void HandleInlineFunctionDefinition(FunctionDecl *D) override;
60 void HandleInterestingDecl(DeclGroupRef D) override;
61 void HandleTranslationUnit(ASTContext &Ctx) override;
62 void HandleTagDeclDefinition(TagDecl *D) override;
63 void HandleTagDeclRequiredDefinition(const TagDecl *D) override;
64 void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D) override;
65 void HandleTopLevelDeclInObjCContainer(DeclGroupRef D) override;
66 void HandleImplicitImportDecl(ImportDecl *D) override;
67 void CompleteTentativeDefinition(VarDecl *D) override;
68 void AssignInheritanceModel(CXXRecordDecl *RD) override;
69 void HandleVTable(CXXRecordDecl *RD) override;
70 ASTMutationListener *GetASTMutationListener() override;
71 ASTDeserializationListener *GetASTDeserializationListener() override;
72 void PrintStats() override;
73 bool shouldSkipFunctionBody(Decl *D) override;
76 void InitializeSema(Sema &S) override;
77 void ForgetSema() override;
80 std::vector<std::unique_ptr<ASTConsumer>> Consumers; // Owns these.
81 std::unique_ptr<MultiplexASTMutationListener> MutationListener;
82 std::unique_ptr<MultiplexASTDeserializationListener> DeserializationListener;
85 } // end namespace clang