view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/IfNode.java @ 10597:79041ab43660

Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
author Christian Humer <christian.humer@gmail.com>
date Mon, 01 Jul 2013 20:58:32 +0200
parents aa9ffb3a715e
children 71991b7a0f14
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/*
 * Copyright (c) 2012, 2012, 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;

import com.oracle.truffle.api.dsl.*;
import com.oracle.truffle.api.frame.*;

@NodeChild(value = "conditionNode", type = ConditionNode.class)
public abstract class IfNode extends StatementNode {

    @Child private StatementNode thenPartNode;
    @Child private StatementNode elsePartNode;

    public IfNode(StatementNode thenPart, StatementNode elsePart) {
        this.thenPartNode = adoptChild(thenPart);
        this.elsePartNode = adoptChild(elsePart);
    }

    protected IfNode(IfNode node) {
        this(node.thenPartNode, node.elsePartNode);
    }

    @Specialization
    public void doVoid(VirtualFrame frame, boolean condition) {
        if (condition) {
            thenPartNode.executeVoid(frame);
        } else {
            elsePartNode.executeVoid(frame);
        }
    }

}