/*
* xtc - The eXTensible Compiler
* Copyright (C) 2006-2007 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.type;
import java.io.IOException;
/**
* Representation of an indirect reference.
*
* @author Robert Grimm
* @version $Revision: 1.5 $
*/
public class IndirectReference extends RelativeReference {
/**
* Create a new indirect reference. The specified base reference
* must have a pointer type. The type of the newly created indirect
* reference is the pointed-to type, unless that type is an array,
* in which case the type is the array's element type.
*
* @param base The base reference.
* @throws ClassCastException Signals that the base reference does
* not have a pointer type.
*/
public IndirectReference(Reference base) {
super(base.type.toPointer().getType(), base);
}
public boolean isPrefix() {
return true;
}
public boolean isIndirect() {
return true;
}
public int hashCode() {
return base.hashCode();
}
public boolean equals(Object o) {
if (this == o) return true;
if (! (o instanceof IndirectReference)) return false;
return this.base.equals(((IndirectReference)o).base);
}
public void write(Appendable out) throws IOException {
out.append('*');
base.write(out);
}
}