/* Map logical line numbers to (source file, line number) pairs.
- Copyright (C) 2001, 2003, 2004
+ Copyright (C) 2001, 2003, 2004, 2007, 2008
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
FROM_LINE should be monotonic increasing across calls to this
function. A call to this function can relocate the previous set of
- A call to this function can relocate the previous set of
maps, so any stored line_map pointers should not be used. */
const struct line_map *
linemap_add (struct line_maps *set, enum lc_reason reason,
- unsigned int sysp, const char *to_file, unsigned int to_line)
+ unsigned int sysp, const char *to_file, linenum_type to_line)
{
struct line_map *map;
source_location start_location = set->highest_location + 1;
if (set->used == set->allocated)
{
+ line_map_realloc reallocator
+ = set->reallocator ? set->reallocator : xrealloc;
set->allocated = 2 * set->allocated + 256;
- set->maps = xrealloc (set->maps, set->allocated * sizeof (struct line_map));
+ set->maps
+ = (struct line_map *) (*reallocator) (set->maps,
+ set->allocated
+ * sizeof (struct line_map));
+ memset (&set->maps[set->used], 0, ((set->allocated - set->used)
+ * sizeof (struct line_map)));
}
map = &set->maps[set->used];
}
source_location
-linemap_line_start (struct line_maps *set, unsigned int to_line,
+linemap_line_start (struct line_maps *set, linenum_type to_line,
unsigned int max_column_hint)
{
struct line_map *map = &set->maps[set->used - 1];
source_location highest = set->highest_location;
source_location r;
- unsigned int last_line = SOURCE_LINE (map, set->highest_line);
+ linenum_type last_line = SOURCE_LINE (map, set->highest_line);
int line_delta = to_line - last_line;
bool add_map = false;
if (line_delta < 0
if (line_delta < 0
|| last_line != map->to_line
|| SOURCE_COLUMN (map, highest) >= (1U << column_bits))
- map = (struct line_map*) linemap_add (set, LC_RENAME, map->sysp,
- map->to_file, to_line);
+ map = (struct line_map *) linemap_add (set, LC_RENAME, map->sysp,
+ map->to_file, to_line);
map->column_bits = column_bits;
r = map->start_location + ((to_line - map->to_line) << column_bits);
}