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
19namespace 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:
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.
35    virtual void InitializeSema(Sema &S) {}
36
37    /// Inform the semantic consumer that Sema is no longer available.
38    virtual void ForgetSema() {}
39
40    // isa/cast/dyn_cast support
41    static bool classof(const ASTConsumer *Consumer) {
42      return Consumer->SemaConsumer;
43    }
44  };
45}
46
47#endif
48