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17  package org.apache.commons.jexl.parser;
18  
19  import org.apache.commons.jexl.JexlContext;
20  
21  /***
22   * Top of the syntax tree - parsed Jexl code.
23   * 
24   * @since 1.1
25   */
26  public class ASTJexlScript extends SimpleNode {
27      /***
28       * Create the node given an id.
29       * 
30       * @param id node id.
31       */
32      public ASTJexlScript(int id) {
33          super(id);
34      }
35  
36      /***
37       * Create a node with the given parser and id.
38       * 
39       * @param p a parser.
40       * @param id node id.
41       */
42      public ASTJexlScript(Parser p, int id) {
43          super(p, id);
44      }
45  
46      /*** {@inheritDoc} */
47      public Object jjtAccept(ParserVisitor visitor, Object data) {
48          return visitor.visit(this, data);
49      }
50  
51      /*** {@inheritDoc} */
52      public Object value(JexlContext jc) throws Exception {
53          int numChildren = jjtGetNumChildren();
54          Object result = null;
55          for (int i = 0; i < numChildren; i++) {
56              SimpleNode child = (SimpleNode) jjtGetChild(i);
57              result = child.value(jc);
58          }
59          return result;
60      }
61  }