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 20 namespace 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: SemaConsumer()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. InitializeSema(Sema & S)36 virtual void InitializeSema(Sema &S) {} 37 38 /// \brief Inform the semantic consumer that Sema is no longer available. ForgetSema()39 virtual void ForgetSema() {} 40 41 // isa/cast/dyn_cast support classof(const ASTConsumer * Consumer)42 static bool classof(const ASTConsumer *Consumer) { 43 return Consumer->SemaConsumer; 44 } 45 }; 46 } 47 48 #endif 49