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 * The Universal Permissive License (UPL), Version 1.0
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package com.oracle.truffle.api.nodes;

An exception thrown to model control flow in a Truffle interpreter. The Truffle optimizer has
special knowledge of this exception class for performance optimizations.
Since:
0.8 or earlier/**
 * An exception thrown to model control flow in a Truffle interpreter. The Truffle optimizer has
 * special knowledge of this exception class for performance optimizations.
 *
 * @since 0.8 or earlier
 */
public class ControlFlowException extends RuntimeException {

    private static final long serialVersionUID = 3676602078425211386L;

    
Creates an exception thrown to model control flow.
Since:
0.8 or earlier/**
     * Creates an exception thrown to model control flow.
     *
     * @since 0.8 or earlier
     */
    public ControlFlowException() {
        /*
         * We use the super constructor that initializes the cause to null. Without that, the cause
         * would be this exception itself. This helps escape analysis: it avoids the circle of an
         * object pointing to itself. We also do not need a message, so we use the constructor that
         * also allows us to set the message to null.
         */
        super(null, null);
    }

    
For performance reasons, this exception does not record any stack trace information.
Since:
0.8 or earlier/**
     * For performance reasons, this exception does not record any stack trace information.
     *
     * @since 0.8 or earlier
     */
    @SuppressWarnings("sync-override")
    @Override
    public final Throwable fillInStackTrace() {
        return this;
    }
}