llvm/clang/include/clang/AST/EvaluatedExprVisitor.h

//===--- EvaluatedExprVisitor.h - Evaluated expression visitor --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file defines the EvaluatedExprVisitor class template, which visits
//  the potentially-evaluated subexpressions of a potentially-evaluated
//  expression.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H
#define LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H

#include "clang/AST/DeclCXX.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/StmtVisitor.h"
#include "llvm/ADT/STLExtras.h"

namespace clang {

class ASTContext;

/// Given a potentially-evaluated expression, this visitor visits all
/// of its potentially-evaluated subexpressions, recursively.
template<template <typename> class Ptr, typename ImplClass>
class EvaluatedExprVisitorBase : public StmtVisitorBase<Ptr, ImplClass, void> { … };

/// EvaluatedExprVisitor - This class visits 'Expr *'s
template <typename ImplClass>
class EvaluatedExprVisitor
    : public EvaluatedExprVisitorBase<std::add_pointer, ImplClass> { … };

/// ConstEvaluatedExprVisitor - This class visits 'const Expr *'s.
template <typename ImplClass>
class ConstEvaluatedExprVisitor
    : public EvaluatedExprVisitorBase<llvm::make_const_ptr, ImplClass> { … };
}

#endif // LLVM_CLANG_AST_EVALUATEDEXPRVISITOR_H