01: /*
02: * @(#)Declarations.java 1.1 04/01/26
03: *
04: * Copyright (c) 2004, Sun Microsystems, Inc.
05: * All rights reserved.
06: *
07: * Redistribution and use in source and binary forms, with or without
08: * modification, are permitted provided that the following conditions are met:
09: *
10: * * Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * * Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * * Neither the name of the Sun Microsystems, Inc. nor the names of
16: * its contributors may be used to endorse or promote products derived from
17: * this software without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
20: * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
22: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
23: * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26: * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28: * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29: * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30: */
31:
32: package com.sun.mirror.util;
33:
34: import com.sun.mirror.declaration.*;
35:
36: /**
37: * Utility methods for operating on declarations.
38: *
39: * @author Joseph D. Darcy
40: * @author Scott Seligman
41: * @version 1.1 04/01/26
42: * @since 1.5
43: */
44:
45: public interface Declarations {
46:
47: /**
48: * Tests whether one type, method, or field declaration hides another.
49: *
50: * @param sub the first member
51: * @param sup the second member
52: * @return <tt>true</tt> if and only if the first member hides
53: * the second
54: */
55: boolean hides(MemberDeclaration sub, MemberDeclaration sup);
56:
57: /**
58: * Tests whether one method overrides another. When a
59: * non-abstract method overrides an abstract one, the
60: * former is also said to <i>implement</i> the latter.
61: *
62: * @param sub the first method
63: * @param sup the second method
64: * @return <tt>true</tt> if and only if the first method overrides
65: * the second
66: */
67: boolean overrides(MethodDeclaration sub, MethodDeclaration sup);
68: }
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