view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/controlflow/SLWhileNode.java @ 16917:6af9d523222a

SL: use new LoopNode API.
author Christian Humer <christian.humer@gmail.com>
date Sat, 23 Aug 2014 19:31:44 +0200
parents abe7128ca473
children
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/*
 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.truffle.sl.nodes.controlflow;

import com.oracle.truffle.api.*;
import com.oracle.truffle.api.frame.*;
import com.oracle.truffle.api.nodes.*;
import com.oracle.truffle.api.source.*;
import com.oracle.truffle.sl.nodes.*;

@NodeInfo(shortName = "while", description = "The node implementing a while loop")
public final class SLWhileNode extends SLStatementNode {

    @Child private LoopNode loopNode;

    public SLWhileNode(SourceSection src, SLExpressionNode conditionNode, SLStatementNode bodyNode) {
        super(src);
        this.loopNode = Truffle.getRuntime().createLoopNode(new SLRepeatingNode(src, conditionNode, bodyNode));
    }

    @Override
    public void executeVoid(VirtualFrame frame) {
        loopNode.executeLoop(frame);
    }

}