/* * 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); } }