mirrors/emacs
1
Fork 0
mirror of git://git.sv.gnu.org/emacs.git synced 2026-01-04 19:10:37 -08:00
Code Issues Projects Releases Wiki Activity

* region-cache.c (find_cache_boundary, move_cache_gap)

Browse source 
(insert_cache_boundary, delete_cache_boundaries, set_cache_region):
Simplify debugging check and convert to eassert.  Adjust comment.
(pp_cache): Put under ENABLE_CHECKING.
This commit is contained in:
Dmitry Antipov 2013-03-15 11:23:49 +04:00
parent f35ffe5e37
commit f258b4be00
2 changed files with 27 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/ChangeLog
View file

@ -1,3 +1,10 @@
2013-03-15 Dmitry Antipov <dmantipov@yandex.ru>
* region-cache.c (find_cache_boundary, move_cache_gap)
(insert_cache_boundary, delete_cache_boundaries, set_cache_region):
Simplify debugging check and convert to eassert. Adjust comment.
(pp_cache): Put under ENABLE_CHECKING.
2013-03-14 Eli Zaretskii <eliz@gnu.org>
* w32term.c (w32_read_socket) <WM_WINDOWPOSCHANGED>: Remove old

58
src/region-cache.c
View file

@ -190,10 +190,9 @@ find_cache_boundary (struct region_cache *c, ptrdiff_t pos)
}
/* Some testing. */
if (BOUNDARY_POS (c, low) > pos
|| (low + 1 < c->cache_len
&& BOUNDARY_POS (c, low + 1) <= pos))
emacs_abort ();
eassert (!(BOUNDARY_POS (c, low) > pos
|| (low + 1 < c->cache_len
&& BOUNDARY_POS (c, low + 1) <= pos)));
return low;
}
@ -214,14 +213,9 @@ move_cache_gap (struct region_cache *c, ptrdiff_t pos, ptrdiff_t min_size)
ptrdiff_t buffer_beg = c->buffer_beg;
ptrdiff_t buffer_end = c->buffer_end;
if (pos < 0
|| pos > c->cache_len)
emacs_abort ();
/* We mustn't ever try to put the gap before the dummy start
boundary. That must always be start-relative. */
if (pos == 0)
emacs_abort ();
eassert (0 < pos && pos <= c->cache_len);
/* Need we move the gap right? */
while (gap_start < pos)
@ -288,26 +282,19 @@ static void
insert_cache_boundary (struct region_cache *c, ptrdiff_t i, ptrdiff_t pos,
int value)
{
/* i must be a valid cache index. */
if (i < 0 || i > c->cache_len)
emacs_abort ();
/* We must never want to insert something before the dummy first
boundary. */
if (i == 0)
emacs_abort ();
/* I must be a valid cache index, and we must never want
to insert something before the dummy first boundary. */
eassert (0 < i && i <= c->cache_len);
/* We must only be inserting things in order. */
if (! (BOUNDARY_POS (c, i - 1) < pos
&& (i == c->cache_len
|| pos < BOUNDARY_POS (c, i))))
emacs_abort ();
eassert ((BOUNDARY_POS (c, i - 1) < pos
&& (i == c->cache_len
|| pos < BOUNDARY_POS (c, i))));
/* The value must be different from the ones around it. However, we
temporarily create boundaries that establish the same value as
the subsequent boundary, so we're not going to flag that case. */
if (BOUNDARY_VALUE (c, i - 1) == value)
emacs_abort ();
eassert (BOUNDARY_VALUE (c, i - 1) != value);
move_cache_gap (c, i, 1);
@ -328,18 +315,13 @@ delete_cache_boundaries (struct region_cache *c,
ptrdiff_t len = end - start;
/* Gotta be in range. */
if (start < 0
|| end > c->cache_len)
emacs_abort ();
eassert (0 <= start && end <= c->cache_len);
/* Gotta be in order. */
if (start > end)
emacs_abort ();
eassert (start <= end);
/* Can't delete the dummy entry. */
if (start == 0
&& end >= 1)
emacs_abort ();
eassert (!(start == 0 && end >= 1));
/* Minimize gap motion. If we're deleting nothing, do nothing. */
if (len == 0)
@ -378,11 +360,8 @@ static void
set_cache_region (struct region_cache *c,
ptrdiff_t start, ptrdiff_t end, int value)
{
if (start > end)
emacs_abort ();
if (start < c->buffer_beg
|| end > c->buffer_end)
emacs_abort ();
eassert (start <= end);
eassert (c->buffer_beg <= start && end <= c->buffer_end);
/* Eliminate this case; then we can assume that start and end-1 are
both the locations of real characters in the buffer. */
@ -772,7 +751,8 @@ int region_cache_backward (struct buffer *buf, struct region_cache *c,
}
}
#ifdef ENABLE_CHECKING
/* Debugging: pretty-print a cache to the standard error output. */
void pp_cache (struct region_cache *) EXTERNALLY_VISIBLE;
@ -803,3 +783,5 @@ pp_cache (struct region_cache *c)
fprintf (stderr, "%"pD"d : %d\n", pos, BOUNDARY_VALUE (c, i));
}
}
#endif /* ENABLE_CHECKING */