1 //===--- SemaConsumer.h - Abstract interface for AST semantics --*- 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 defines the SemaConsumer class, a subclass of
10 //  ASTConsumer that is used by AST clients that also require
11 //  additional semantic analysis.
12 //
13 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_SEMA_SEMACONSUMER_H
15 #define LLVM_CLANG_SEMA_SEMACONSUMER_H
16 
17 #include "clang/AST/ASTConsumer.h"
18 
19 namespace clang {
20   class Sema;
21 
22   /// An abstract interface that should be implemented by
23   /// clients that read ASTs and then require further semantic
24   /// analysis of the entities in those ASTs.
25   class SemaConsumer : public ASTConsumer {
26     virtual void anchor();
27   public:
SemaConsumer()28     SemaConsumer() {
29       ASTConsumer::SemaConsumer = true;
30     }
31 
32     /// Initialize the semantic consumer with the Sema instance
33     /// being used to perform semantic analysis on the abstract syntax
34     /// tree.
InitializeSema(Sema & S)35     virtual void InitializeSema(Sema &S) {}
36 
37     /// Inform the semantic consumer that Sema is no longer available.
ForgetSema()38     virtual void ForgetSema() {}
39 
40     // isa/cast/dyn_cast support
classof(const ASTConsumer * Consumer)41     static bool classof(const ASTConsumer *Consumer) {
42       return Consumer->SemaConsumer;
43     }
44   };
45 }
46 
47 #endif
48