/*
* 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 a symbolic memory location. A variable reference
* has neither a base nor an offset.
*
* @author Robert Grimm
* @version $Revision: 1.4 $
*/
public abstract class VariableReference extends Reference {
/** The optional name. */
private final String name;
/**
* Create a new anonymous variable reference.
*
* @param type The declared type.
*/
public VariableReference(Type type) {
this(null, type);
}
/**
* Create a new variable reference.
*
* @param name The declared name.
* @param type The declared type.
*/
public VariableReference(String name, Type type) {
super(type);
this.name = name;
}
public boolean isVariable() {
return true;
}
/**
* Determine whether this variable reference has a name.
*
* @return <code>true</code> if this variable reference has a name.
*/
public boolean hasName() {
return null != name;
}
/**
* Get this static reference's name.
*
* @return The name.
*/
public String getName() {
return name;
}
public void write(Appendable out) throws IOException {
if (null == name) {
out.append("<anon>");
} else {
out.append(name);
}
}
}