view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/debug/RubyProbe.java @ 13918:22bf5a8ba9eb

Ruby: restore prototype debugger.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 10 Feb 2014 03:39:21 +0000
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/*
 * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. This
 * code is released under a tri EPL/GPL/LGPL license. You can use it,
 * redistribute it and/or modify it under the terms of the:
 *
 * Eclipse Public License version 1.0
 * GNU General Public License version 2
 * GNU Lesser General Public License version 2.1
 */
package com.oracle.truffle.ruby.nodes.debug;

import com.oracle.truffle.api.nodes.instrument.*;
import com.oracle.truffle.ruby.runtime.*;

/**
 * A "probe node" implemented specifically for the Ruby implementation; subclasses need only
 * override those members of {@link InstrumentationProbeEvents} for which some action is needed.
 */
public abstract class RubyProbe extends InstrumentationProbeNode.DefaultProbeNode {

    protected final boolean oneShot;

    protected final RubyContext context;

    /**
     * OneShot is this a one-shot (self-removing) probe?
     */
    public RubyProbe(RubyContext context, boolean oneShot) {
        super(context);
        this.oneShot = oneShot;
        this.context = context;
    }

    /**
     * Is this a one-shot (self-removing) probe? If so, it will remove itself the first time
     * activated.
     */
    public boolean isOneShot() {
        return oneShot;
    }
}