/* ArrayStoreOperator Copyright (C) 1998-2002 Jochen Hoenicke.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * 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 Lesser General Public License
 * along with this program; see the file COPYING.LESSER.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: ArrayStoreOperator.java,v 4.10.2.2 2002/05/28 17:34:05 hoenicke Exp $
 */

package alterrs.jode.expr;

import alterrs.jode.decompiler.TabbedPrintWriter;
import alterrs.jode.type.ArrayType;
import alterrs.jode.type.Type;

public class ArrayStoreOperator extends ArrayLoadOperator implements
		LValueExpression {

	public ArrayStoreOperator(Type type) {
		super(type);
	}

	public boolean matches(Operator loadop) {
		return loadop instanceof ArrayLoadOperator;
	}

	public void dumpExpression(TabbedPrintWriter writer)
			throws java.io.IOException {
		Type arrType = subExpressions[0].getType().getHint();
		if (arrType instanceof ArrayType) {
			Type elemType = ((ArrayType) arrType).getElementType();
			if (!elemType.isOfType(getType())) {
				/* We need an explicit widening cast */
				writer.print("(");
				writer.startOp(writer.EXPL_PAREN, 1);
				writer.print("(");
				writer.printType(Type.tArray(getType().getHint()));
				writer.print(") ");
				writer.breakOp();
				subExpressions[0].dumpExpression(writer, 700);
				writer.print(")");
				writer.breakOp();
				writer.print("[");
				subExpressions[1].dumpExpression(writer, 0);
				writer.print("]");
				return;
			}
		}
		super.dumpExpression(writer);
	}
}
