1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* filepos.h */ |
4 | /* */ |
5 | /* File position data structure */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 1998-2011, Ullrich von Bassewitz */ |
10 | /* Roemerstrasse 52 */ |
11 | /* D-70794 Filderstadt */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
15 | /* This software is provided 'as-is', without any expressed or implied */ |
16 | /* warranty. In no event will the authors be held liable for any damages */ |
17 | /* arising from the use of this software. */ |
18 | /* */ |
19 | /* Permission is granted to anyone to use this software for any purpose, */ |
20 | /* including commercial applications, and to alter it and redistribute it */ |
21 | /* freely, subject to the following restrictions: */ |
22 | /* */ |
23 | /* 1. The origin of this software must not be misrepresented; you must not */ |
24 | /* claim that you wrote the original software. If you use this software */ |
25 | /* in a product, an acknowledgment in the product documentation would be */ |
26 | /* appreciated but is not required. */ |
27 | /* 2. Altered source versions must be plainly marked as such, and must not */ |
28 | /* be misrepresented as being the original software. */ |
29 | /* 3. This notice may not be removed or altered from any source */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | #ifndef FILEPOS_H |
37 | #define FILEPOS_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* Data */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | /* Type of a file position */ |
48 | typedef struct FilePos FilePos; |
49 | struct FilePos { |
50 | unsigned Line; /* Line */ |
51 | unsigned Col; /* Column */ |
52 | unsigned Name; /* File */ |
53 | }; |
54 | |
55 | /* Initializer for a FilePos */ |
56 | #define STATIC_FILEPOS_INITIALIZER { 0, 0, 0 } |
57 | |
58 | |
59 | |
60 | /*****************************************************************************/ |
61 | /* Code */ |
62 | /*****************************************************************************/ |
63 | |
64 | |
65 | |
66 | void InitFilePos (FilePos* P); |
67 | /* Initialize the file position (set all fields to zero) */ |
68 | |
69 | int CompareFilePos (const FilePos* P1, const FilePos* P2); |
70 | /* Compare two file positions. Return zero if both are equal, return a value |
71 | ** > 0 if P1 is greater and P2, and a value < 0 if P1 is less than P2. The |
72 | ** compare rates file index over line over column. |
73 | */ |
74 | |
75 | |
76 | |
77 | /* End of filepos.h */ |
78 | |
79 | #endif |
80 | |