VariableDeclaration


1   package net.sf.saxon.expr;
2   
3   
4   
5   /**
6   * Generic interface representing a variable declaration in the static context of an XPath expression.
7   * The declaration may be internal or external to the XPath expression itself. An external
8   * VariableDeclaration is identified (perhaps created) by the bindVariable() method in the StaticContext.
9   */
10  
11  public interface VariableDeclaration {
12  
13      /**
14      * Method called by a BindingReference to register the variable reference for
15      * subsequent fixup.
16      * This method is called by the XPath parser when
17      * each reference to the variable is encountered. At some time after parsing and before execution of the
18      * expression, the VariableDeclaration is responsible for calling the two methods setStaticType()
19      * and fixup() on each BindingReference that has been registered with it.<br>
20      */
21  
22      public void registerReference(BindingReference ref);
23  
24      /**
25      * Get the fingerprint code that identifies the name of the variable
26      */
27  
28      public int getNameCode();
29  
30      /**
31       * Get the name of the variable for use in diagnostics - a lexical QName
32       */
33  
34      public String   getVariableName();
35  
36  }
37  
38  //
39  // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
40  // you may not use this file except in compliance with the License. You may obtain a copy of the
41  // License at http://www.mozilla.org/MPL/
42  //
43  // Software distributed under the License is distributed on an "AS IS" basis,
44  // WITHOUT WARRANTY OF ANY KIND, either express or implied.
45  // See the License for the specific language governing rights and limitations under the License.
46  //
47  // The Original Code is: all this file.
48  //
49  // The Initial Developer of the Original Code is Michael H. Kay
50  //
51  // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
52  //
53  // Contributor(s): none.
54  //
55
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