1 // Copyright 2000-2005 the Contributors, as shown in the revision logs.
2 // Licensed under the Apache Public Source License 2.0 ("the License").
3 // You may not use this file except in compliance with the License.
7 import org.ibex.util.*;
12 import javax.servlet.*;
13 import javax.servlet.http.*;
15 public class Scope extends JS.Obj {
16 private final JS parent;
17 private final Hash declared = new Hash();
18 public Scope(JS parent) { this.parent = parent; }
19 public JS get(JS key) throws JSExn { if (declared.get(key)!=null) return super.get(key); return parent.get(key); }
20 public void put(JS key, JS val) throws JSExn { if (declared.get(key)!=null) super.put(key,val); else parent.put(key,val); }
21 public void declare(JS key) { declared.put(key, Boolean.TRUE); }
22 public void declare(String key) { declare(JSU.S(key)); }
23 public void undeclare(JS key) { declared.remove(key); }
24 public void undeclare(String key) { undeclare(JSU.S(key)); }