01: /*
02: * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.tools.javac.code;
27:
28: import com.sun.tools.javac.util.Version;
29:
30: /** Internal symbol kinds, which distinguish between elements of
31: * different subclasses of Symbol. Symbol kinds are organized so they can be
32: * or'ed to sets.
33: *
34: * <p><b>This is NOT part of any API supported by Sun Microsystems. If
35: * you write code that depends on this, you do so at your own risk.
36: * This code and its internal interfaces are subject to change or
37: * deletion without notice.</b>
38: */
39: @Version("@(#)Kinds.java 1.25 07/05/05")
40: public class Kinds {
41:
42: private Kinds() {
43: } // uninstantiable
44:
45: /** The empty set of kinds.
46: */
47: public final static int NIL = 0;
48:
49: /** The kind of package symbols.
50: */
51: public final static int PCK = 1 << 0;
52:
53: /** The kind of type symbols (classes, interfaces and type variables).
54: */
55: public final static int TYP = 1 << 1;
56:
57: /** The kind of variable symbols.
58: */
59: public final static int VAR = 1 << 2;
60:
61: /** The kind of values (variables or non-variable expressions), includes VAR.
62: */
63: public final static int VAL = (1 << 3) | VAR;
64:
65: /** The kind of methods.
66: */
67: public final static int MTH = 1 << 4;
68:
69: /** The error kind, which includes all other kinds.
70: */
71: public final static int ERR = (1 << 5) - 1;
72:
73: /** The set of all kinds.
74: */
75: public final static int AllKinds = ERR;
76:
77: /** Kinds for erroneous symbols that complement the above
78: */
79: public static final int ERRONEOUS = 1 << 6;
80: public static final int AMBIGUOUS = ERRONEOUS + 1; // ambiguous reference
81: public static final int HIDDEN = ERRONEOUS + 2; // hidden method or field
82: public static final int STATICERR = ERRONEOUS + 3; // nonstatic member from static context
83: public static final int ABSENT_VAR = ERRONEOUS + 4; // missing variable
84: public static final int WRONG_MTHS = ERRONEOUS + 5; // methods with wrong arguments
85: public static final int WRONG_MTH = ERRONEOUS + 6; // one method with wrong arguments
86: public static final int ABSENT_MTH = ERRONEOUS + 7; // missing method
87: public static final int ABSENT_TYP = ERRONEOUS + 8; // missing type
88: }
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