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Java > Open Source Codes > ASTAndNode


1
2 /*
3  * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
4  * California 95054, U.S.A. All rights reserved. Sun Microsystems, Inc. has
5  * intellectual property rights relating to technology embodied in the product
6  * that is described in this document. In particular, and without limitation,
7  * these intellectual property rights may include one or more of the U.S.
8  * patents listed at http://www.sun.com/patents and one or more additional
9  * patents or pending patent applications in the U.S. and in other countries.
10  * U.S. Government Rights - Commercial software. Government users are subject
11  * to the Sun Microsystems, Inc. standard license agreement and applicable
12  * provisions of the FAR and its supplements. Use is subject to license terms.
13  * Sun, Sun Microsystems, the Sun logo and Java are trademarks or registered
14  * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. This
15  * product is covered and controlled by U.S. Export Control laws and may be
16  * subject to the export or import laws in other countries. Nuclear, missile,
17  * chemical biological weapons or nuclear maritime end uses or end users,
18  * whether direct or indirect, are strictly prohibited. Export or reexport
19  * to countries subject to U.S. embargo or to entities identified on U.S.
20  * export exclusion lists, including, but not limited to, the denied persons
21  * and specially designated nationals lists is strictly prohibited.
22  */
23
24
25
26 /* JJT: 0.2.2 */
27
28
29
30 public class ASTAndNode extends SimpleNode {
31   ASTAndNode(int id) {
32     super(id);
33   }
34
35
36   public void interpret()
37   {
38      jjtGetChild(0).interpret();
39
40      if (!((Boolean JavaDoc)stack[top]).booleanValue())
41      {
42         stack[top] = new Boolean JavaDoc(false);
43         return;
44      }
45
46      jjtGetChild(1).interpret();
47      stack[--top] = new Boolean JavaDoc(((Boolean JavaDoc)stack[top]).booleanValue() &&
48                                 ((Boolean JavaDoc)stack[top + 1]).booleanValue());
49   }
50
51 }
52
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