1 | //===-- MultiplexConsumer.h - AST Consumer for PCH Generation ---*- C++ -*-===// |
2 | // |
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 |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file declares the MultiplexConsumer class, which can be used to |
10 | // multiplex ASTConsumer and SemaConsumer messages to many consumers. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #ifndef LLVM_CLANG_FRONTEND_MULTIPLEXCONSUMER_H |
15 | #define LLVM_CLANG_FRONTEND_MULTIPLEXCONSUMER_H |
16 | |
17 | #include "clang/Basic/LLVM.h" |
18 | #include "clang/Sema/SemaConsumer.h" |
19 | #include "clang/Serialization/ASTDeserializationListener.h" |
20 | #include <memory> |
21 | #include <vector> |
22 | |
23 | namespace clang { |
24 | |
25 | class MultiplexASTMutationListener; |
26 | |
27 | // This ASTDeserializationListener forwards its notifications to a set of |
28 | // child listeners. |
29 | class MultiplexASTDeserializationListener : public ASTDeserializationListener { |
30 | public: |
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; |
43 | void ModuleImportRead(serialization::SubmoduleID ID, |
44 | SourceLocation ImportLoc) override; |
45 | |
46 | private: |
47 | std::vector<ASTDeserializationListener *> Listeners; |
48 | }; |
49 | |
50 | // Has a list of ASTConsumers and calls each of them. Owns its children. |
51 | class MultiplexConsumer : public SemaConsumer { |
52 | public: |
53 | // Takes ownership of the pointers in C. |
54 | MultiplexConsumer(std::vector<std::unique_ptr<ASTConsumer>> C); |
55 | ~MultiplexConsumer() override; |
56 | |
57 | // ASTConsumer |
58 | void Initialize(ASTContext &Context) override; |
59 | void HandleCXXStaticMemberVarInstantiation(VarDecl *VD) override; |
60 | bool HandleTopLevelDecl(DeclGroupRef D) override; |
61 | void HandleInlineFunctionDefinition(FunctionDecl *D) override; |
62 | void HandleInterestingDecl(DeclGroupRef D) override; |
63 | void HandleTranslationUnit(ASTContext &Ctx) override; |
64 | void HandleTagDeclDefinition(TagDecl *D) override; |
65 | void HandleTagDeclRequiredDefinition(const TagDecl *D) override; |
66 | void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D) override; |
67 | void HandleTopLevelDeclInObjCContainer(DeclGroupRef D) override; |
68 | void HandleImplicitImportDecl(ImportDecl *D) override; |
69 | void CompleteTentativeDefinition(VarDecl *D) override; |
70 | void CompleteExternalDeclaration(VarDecl *D) override; |
71 | void AssignInheritanceModel(CXXRecordDecl *RD) override; |
72 | void HandleVTable(CXXRecordDecl *RD) override; |
73 | ASTMutationListener *GetASTMutationListener() override; |
74 | ASTDeserializationListener *GetASTDeserializationListener() override; |
75 | void PrintStats() override; |
76 | bool shouldSkipFunctionBody(Decl *D) override; |
77 | |
78 | // SemaConsumer |
79 | void InitializeSema(Sema &S) override; |
80 | void ForgetSema() override; |
81 | |
82 | private: |
83 | std::vector<std::unique_ptr<ASTConsumer>> Consumers; // Owns these. |
84 | std::unique_ptr<MultiplexASTMutationListener> MutationListener; |
85 | std::unique_ptr<MultiplexASTDeserializationListener> DeserializationListener; |
86 | }; |
87 | |
88 | } // end namespace clang |
89 | |
90 | #endif |
91 | |