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1   /*
2    * Copyright (c) 1996, 2003, 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  package sun.tools.java;
27  
28  /**
29   * Information about the occurrence of an identifier.
30   * The parser produces these to represent name which cannot yet be
31   * bound to field definitions.
32   *
33   * WARNING: The contents of this source file are not part of any
34   * supported API.  Code that depends on them does so at its own risk:
35   * they are subject to change or removal without notice.
36   *
37   * @see
38   */
39  
40  public
41  class IdentifierToken {
42      long where;
43      int modifiers;
44      Identifier id;
45  
46      public IdentifierToken(long where, Identifier id) {
47          this.where = where;
48          this.id = id;
49      }
50  
51      /** Use this constructor when the identifier is synthesized.
52       * The location will be 0.
53       */
54      public IdentifierToken(Identifier id) {
55          this.where = 0;
56          this.id = id;
57      }
58  
59      public IdentifierToken(long where, Identifier id, int modifiers) {
60          this.where = where;
61          this.id = id;
62          this.modifiers = modifiers;
63      }
64  
65      /** The source location of this identifier occurrence. */
66      public long getWhere() {
67          return where;
68      }
69  
70      /** The identifier itself (possibly qualified). */
71      public Identifier getName() {
72          return id;
73      }
74  
75      /** The modifiers associated with the occurrence, if any. */
76      public int getModifiers() {
77          return modifiers;
78      }
79  
80      public String toString() {
81          return id.toString();
82      }
83  
84      /**
85       * Return defaultWhere if id is null or id.where is missing (0).
86       * Otherwise, return id.where.
87       */
88      public static long getWhere(IdentifierToken id, long defaultWhere) {
89          return (id != null && id.where != 0) ? id.where : defaultWhere;
90      }
91  }