1. /*

  2.  * Copyright 2001-2004 The Apache Software Foundation.

  3.  *

  4.  * Licensed under the Apache License, Version 2.0 (the "License");

  5.  * you may not use this file except in compliance with the License.

  6.  * You may obtain a copy of the License at

  7.  *

  8.  *     http://www.apache.org/licenses/LICENSE-2.0

  9.  *

  10.  * Unless required by applicable law or agreed to in writing, software

  11.  * distributed under the License is distributed on an "AS IS" BASIS,

  12.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  13.  * See the License for the specific language governing permissions and

  14.  * limitations under the License.

  15.  */

  16. /*

  17.  * $Id: Closure.java,v 1.3 2004/02/16 22:24:29 minchau Exp $

  18.  */

  19. 

  20. package com.sun.org.apache.xalan.internal.xsltc.compiler;

  21. 

  22. /**

  23.  * @author Santiago Pericas-Geertsen

  24.  */

  25. public interface Closure {

  26. 

  27.     /**

  28.      * Returns true if this closure is compiled in an inner class (i.e.

  29.      * if this is a real closure).

  30.      */

  31.     public boolean inInnerClass();

  32. 

  33.     /**

  34.      * Returns a reference to its parent closure or null if outermost.

  35.      */

  36.     public Closure getParentClosure();

  37. 

  38.     /**

  39.      * Returns the name of the auxiliary class or null if this predicate 

  40.      * is compiled inside the Translet.

  41.      */

  42.     public String getInnerClassName();

  43. 

  44.     /**

  45.      * Add new variable to the closure.

  46.      */

  47.     public void addVariable(VariableRefBase variableRef);

  48. }