TypedefEntry.java revision 672:2bb058ce572e 
1/*
2 * Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25/*
26 * COMPONENT_NAME: idl.parser
27 *
28 * ORIGINS: 27
29 *
30 * Licensed Materials - Property of IBM
31 * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999
32 * RMI-IIOP v1.0
33 *
34 */
35
36package com.sun.tools.corba.se.idl;
37
38// NOTES:
39
40import java.io.PrintWriter;
41import java.util.Hashtable;
42import java.util.Vector;
43
44import com.sun.tools.corba.se.idl.constExpr.Expression;
45
46/**
47 * This is the symbol table entry for typedefs.
48 **/
49public class TypedefEntry extends SymtabEntry
50{
51  protected TypedefEntry ()
52  {
53    super ();
54  } // ctor
55
56  protected TypedefEntry (TypedefEntry that)
57  {
58    super (that);
59    _arrayInfo = (Vector)that._arrayInfo.clone ();
60  } // ctor
61
62  protected TypedefEntry (SymtabEntry that, IDLID clone)
63  {
64    super (that, clone);
65    if (module ().equals (""))
66      module (name ());
67    else if (!name ().equals (""))
68      module (module () + "/" + name ());
69  } // ctor
70
71  /** This method returns a vector of Expressions, each expression
72      represents a dimension in an array.  A zero-length vector indicates
73      no array information.*/
74  public Vector arrayInfo ()
75  {
76    return _arrayInfo;
77  } // arrayInfo
78
79  public void addArrayInfo (Expression e)
80  {
81    _arrayInfo.addElement (e);
82  } // addArrayInfo
83
84  public Object clone ()
85  {
86    return new TypedefEntry (this);
87  } // clone
88
89  /** Invoke the typedef generator.
90      @param symbolTable the symbol table is a hash table whose key is
91       a fully qualified type name and whose value is a SymtabEntry or
92       a subclass of SymtabEntry.
93      @param stream the stream to which the generator should sent its output.
94      @see SymtabEntry */
95  public void generate (Hashtable symbolTable, PrintWriter stream)
96  {
97    typedefGen.generate (symbolTable, this, stream);
98  } // generate
99
100  public boolean isReferencable()
101  {
102    // A typedef is referencable if its component
103    // type is.
104    return type().isReferencable() ;
105  }
106
107  public void isReferencable( boolean value )
108  {
109    // NO-OP: this cannot be set for a typedef.
110  }
111
112  /** Access the typedef generator.
113      @return an object which implements the TypedefGen interface.
114      @see TypedefGen */
115  public Generator generator ()
116  {
117    return typedefGen;
118  } // generator
119
120  private Vector _arrayInfo = new Vector ();
121
122  static  TypedefGen typedefGen;
123} // class TypedefEntry
124