astparen.java

一个非常好的检索工具

// $Id: AstParen.java,v 1.3 1999/11/04 14:02:18 shields Exp $
// This software is subject to the terms of the IBM Jikes Compiler
// License Agreement available at the following URL:
// http://www.ibm.com/research/jikes.
// Copyright (C) 1983, 1999, International Business Machines Corporation
// and others.  All Rights Reserved.
// You must accept the terms of that agreement to use this software.

class AstParen extends Ast
{
    Ast expression;

    public int Value() { return expression.Value(); }

    public String toString(LexStream lex_stream)
    {
        StringBuffer buffer = new StringBuffer();
        buffer.append('(');
        buffer.append(expression.toString(lex_stream));
        buffer.append(')');

        return buffer.toString();
    }
}