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