/*
* 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;
import java.io.IOException;
import xtc.util.Utilities;
/**
* A character literal.
*
* @author Robert Grimm
* @version $Revision: 1.11 $
*/
public class CharLiteral extends CharTerminal {
/** The character. */
public final char c;
/**
* Create a new character literal with the specified character.
*
* @param c The character.
*/
public CharLiteral(char c) {
this.c = c;
}
public Tag tag() {
return Tag.CHAR_LITERAL;
}
public int hashCode() {
return c;
}
public boolean equals(Object o) {
if (this == o) return true;
if (! (o instanceof CharLiteral)) return false;
return (c == ((CharLiteral)o).c);
}
public void write(Appendable out) throws IOException {
out.append('\'');
Utilities.escape(c, out, Utilities.JAVA_ESCAPES);
out.append('\'');
}
}