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Truffle SL is an example language implemented using the Truffle API.
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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
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 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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 * without restriction, including without limitation the rights to copy, create
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 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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package com.oracle.truffle.sl.nodes.controlflow;

import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.NodeInfo;
import com.oracle.truffle.sl.nodes.SLStatementNode;

/**
 * Implementation of the SL continue statement. We need to unwind an unknown number of interpreter
 * frames that are between this {@link SLContinueNode} and the {@link SLWhileNode} of the loop we
 * are continuing. This is done by throwing an {@link SLContinueException exception} that is caught
 * by the {@link SLWhileNode#executeVoid loop node}.
 */
@NodeInfo(shortName = "continue", description = "The node implementing a continue statement")
public final class SLContinueNode extends SLStatementNode {

    @Override
    public void executeVoid(VirtualFrame frame) {
        throw SLContinueException.SINGLETON;
    }
}