1//===--- SemaConsumer.h - Abstract interface for AST semantics --*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines the SemaConsumer class, a subclass of 11// ASTConsumer that is used by AST clients that also require 12// additional semantic analysis. 13// 14//===----------------------------------------------------------------------===// 15#ifndef LLVM_CLANG_SEMA_SEMACONSUMER_H 16#define LLVM_CLANG_SEMA_SEMACONSUMER_H 17 18#include "clang/AST/ASTConsumer.h" 19 20namespace clang { 21 class Sema; 22 23 /// \brief An abstract interface that should be implemented by 24 /// clients that read ASTs and then require further semantic 25 /// analysis of the entities in those ASTs. 26 class SemaConsumer : public ASTConsumer { 27 virtual void anchor(); 28 public: 29 SemaConsumer() { 30 ASTConsumer::SemaConsumer = true; 31 } 32 33 /// \brief Initialize the semantic consumer with the Sema instance 34 /// being used to perform semantic analysis on the abstract syntax 35 /// tree. 36 virtual void InitializeSema(Sema &S) {} 37 38 /// \brief Inform the semantic consumer that Sema is no longer available. 39 virtual void ForgetSema() {} 40 41 // isa/cast/dyn_cast support 42 static bool classof(const ASTConsumer *Consumer) { 43 return Consumer->SemaConsumer; 44 } 45 }; 46} 47 48#endif 49