CallTarget.java

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package com.oracle.truffle.api;

import com.oracle.truffle.api.nodes.RootNode;

/**
 * Represents the target of a call. Do not subclass {@link CallTarget} directly but implement
 * {@link RootNode} instead and create a {@link CallTarget target} using {@link Truffle}.
 * {@link Truffle#getRuntime() getRuntime()}.{@link TruffleRuntime#createCallTarget(RootNode)
 * createCallTarget(rootNode)}.
 *
 * @see RootNode
 * @since 0.8 or earlier
 */
public interface CallTarget {

    /**
     * Calls this target as a root method.
     *
     * @param arguments passed arguments as an object array
     * @return the return result of the call
     * @since 0.8 or earlier
     */
    Object call(Object... arguments);
}