/*
* xtc - The eXTensible Compiler
* Copyright (C) 2004-2007 Robert Grimm
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
package xtc.parser;
/**
* Element to set the semantic value to the result of applying a list
* of {@link xtc.util.Action actions}. The actions are applied by
* invoking {@link ParserBase#apply(Pair,Object)} on the list and a
* seed value.
*
* @author Robert Grimm
* @version $Revision: 1.11 $
*/
public class ActionBaseValue extends ValueElement {
/** The binding for the list. */
public final Binding list;
/** The binding for the seed. */
public final Binding seed;
/**
* Create a new action base value.
*
* @param list The binding for the list.
* @param seed The binding for the seed.
*/
public ActionBaseValue(Binding list, Binding seed) {
this.list = list;
this.seed = seed;
}
public Tag tag() {
return Tag.ACTION_BASE_VALUE;
}
public int hashCode() {
return 13 * list.hashCode() + seed.hashCode();
}
public boolean equals(Object o) {
if (this == o) return true;
if (! (o instanceof ActionBaseValue)) return false;
ActionBaseValue other = (ActionBaseValue)o;
if (! list.equals(other.list)) return false;
return seed.equals(other.seed);
}
}