varinfo.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 90 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.quercus.expr;

import com.caucho.quercus.program.FunctionInfo;

/**
 * Information about a variable's use in a function.
 */
public class VarInfo {
  private final FunctionInfo _function;

  private final String _name;
  
  private boolean _isGlobal;

  public VarInfo(String name, FunctionInfo function)
  {
    _name = name.intern();
    _function = function;
  }

  /**
   * Returns the variable name.
   */
  public String getName()
  {
    return _name;
  }

  /**
   * Returns the owning function.
   */
  public FunctionInfo getFunction()
  {
    return _function;
  }

  /**
   * True if the variable is global.
   */
  public boolean isGlobal()
  {
    return _isGlobal;
  }

  /**
   * True if the variable is global.
   */
  public void setGlobal()
  {
    _isGlobal = true;
  }

 
  @Override
  public String toString()
  {
    return getClass().getSimpleName() + "[" + _name + "]";
  }
}