7 // (C) 2003, Cesar Lopez Nataren, <cesar@ciencias.unam.mx>
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
35 namespace Microsoft.JScript {
37 internal class SymbolTable {
39 internal SymbolTable parent;
40 internal Hashtable symbols;
42 internal SymbolTable (SymbolTable parent)
44 symbols = new Hashtable ();
48 internal void Add (string id, object d)
53 internal void Remove (string id)
58 internal object Contains (string id)
63 public override string ToString ()
65 StringBuilder sb = new StringBuilder ();
66 ICollection keys = symbols.Keys;
68 foreach (object o in keys)
69 sb.Append (o.ToString ());
71 return sb.ToString ();
75 get { return symbols.Count; }
78 internal DictionaryEntry [] current_symbols {
80 int n = symbols.Count;
84 DictionaryEntry [] e = new DictionaryEntry [symbols.Count];
85 symbols.CopyTo (e, 0);