01: /*
02: * @(#)SourcePosition.java 1.2 04/07/16
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 java.io.File;
35:
36: /**
37: * Represents a position in a source file.
38: *
39: * @author Joseph D. Darcy
40: * @author Scott Seligman
41: * @version 1.2 04/07/16
42: * @since 1.5
43: */
44:
45: public interface SourcePosition {
46:
47: /**
48: * Returns the source file containing this position.
49: *
50: * @return the source file containing this position; never null
51: */
52: File file();
53:
54: /**
55: * Returns the line number of this position. Lines are numbered
56: * starting with 1.
57: *
58: * @return the line number of this position, or 0 if the line
59: * number is unknown or not applicable
60: */
61: int line();
62:
63: /**
64: * Returns the column number of this position. Columns are numbered
65: * starting with 1.
66: *
67: * @return the column number of this position, or 0 if the column
68: * number is unknown or not applicable
69: */
70: int column();
71: }
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