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1 /* Locations for Bison
2 Copyright (C) 2002 Free Software Foundation, Inc.
3
4 This file is part of Bison, the GNU Compiler Compiler.
5
6 Bison is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 Bison is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with Bison; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 #include "system.h"
22
23 #include <quotearg.h>
24
25 #include "location.h"
26
27 location const empty_location;
28
29 /* Output to OUT the location LOC.
30 Warning: it uses quotearg's slot 3. */
31 void
32 location_print (FILE *out, location loc)
33 {
34 fprintf (out, "%s:%d.%d",
35 quotearg_n_style (3, escape_quoting_style, loc.start.file),
36 loc.start.line, loc.start.column);
37
38 if (loc.start.file != loc.end.file)
39 fprintf (out, "-%s:%d.%d",
40 quotearg_n_style (3, escape_quoting_style, loc.end.file),
41 loc.end.line, loc.end.column - 1);
42 else if (loc.start.line < loc.end.line)
43 fprintf (out, "-%d.%d", loc.end.line, loc.end.column - 1);
44 else if (loc.start.column < loc.end.column - 1)
45 fprintf (out, "-%d", loc.end.column - 1);
46 }