/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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package com.sun.org.apache.xalan.internal.xsltc.compiler;

/**
 * @author Santiago Pericas-Geertsen
 */
public interface Closure {

    /**
     * Returns true if this closure is compiled in an inner class (i.e.
     * if this is a real closure).
     */
    public boolean inInnerClass();

    /**
     * Returns a reference to its parent closure or null if outermost.
     */
    public Closure getParentClosure();

    /**
     * Returns the name of the auxiliary class or null if this predicate
     * is compiled inside the Translet.
     */
    public String getInnerClassName();

    /**
     * Add new variable to the closure.
     */
    public void addVariable(VariableRefBase variableRef);
}
