001/*
002 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.truffle.test.nodes;
024
025import com.oracle.truffle.api.frame.*;
026import com.oracle.truffle.api.instrument.*;
027import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode;
028import com.oracle.truffle.api.nodes.*;
029
030/**
031 * Support for PE testing instrumentation.
032 */
033public final class WrapperTestNode extends AbstractTestNode implements WrapperNode {
034
035    @Child private AbstractTestNode child;
036    @Child private ProbeNode probeNode;
037
038    public WrapperTestNode(AbstractTestNode child) {
039        this.child = child;
040    }
041
042    public String instrumentationInfo() {
043        return "Wrapper for PE test nodes";
044    }
045
046    @Override
047    public boolean isInstrumentable() {
048        return false;
049    }
050
051    public void insertProbe(ProbeNode newProbeNode) {
052        this.probeNode = newProbeNode;
053    }
054
055    public Probe getProbe() {
056        return probeNode.getProbe();
057    }
058
059    @Override
060    public Node getChild() {
061        return child;
062    }
063
064    @Override
065    public int execute(VirtualFrame frame) {
066        probeNode.enter(child, frame);
067        try {
068            final int result = child.execute(frame);
069            probeNode.returnValue(child, frame, result);
070            return result;
071        } catch (KillException e) {
072            throw (e);
073        } catch (Exception e) {
074            probeNode.returnExceptional(child, frame, e);
075            throw (e);
076        }
077
078    }
079
080}