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patch 8.2.3348: line2byte() returns wrong value after adding textprop

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Problem:    line2byte() returns wrong value after adding textprop. (Yuto
            Kimura)
Solution:   Reduce the length by the size of the text property. (closes #8759)
This commit is contained in:
Bram Moolenaar
2021-08-15 14:28:40 +02:00
parent dd9de50f42
commit 14c7530c4f
3 changed files with 30 additions and 4 deletions
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20
src/memline.c
View File

@@ -3977,6 +3977,9 @@ ml_flush_line(buf_T *buf)
*/
if ((int)dp->db_free >= extra)
{
#ifdef FEAT_BYTEOFF
int old_prop_len = 0;
#endif
// if the length changes and there are following lines
count = buf->b_ml.ml_locked_high - buf->b_ml.ml_locked_low + 1;
if (extra != 0 && idx < count - 1)
@@ -3995,13 +3998,24 @@ ml_flush_line(buf_T *buf)
// adjust free space
dp->db_free -= extra;
dp->db_txt_start -= extra;
#ifdef FEAT_BYTEOFF
if (buf->b_has_textprop)
old_prop_len = old_len - STRLEN(new_line) - 1;
#endif
// copy new line into the data block
mch_memmove(old_line - extra, new_line, (size_t)new_len);
buf->b_ml.ml_flags |= (ML_LOCKED_DIRTY | ML_LOCKED_POS);
#ifdef FEAT_BYTEOFF
// The else case is already covered by the insert and delete
ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
if (buf->b_has_textprop)
{
// Do not count the size of any text properties.
extra += old_prop_len;
extra -= new_len - STRLEN(new_line) - 1;
}
if (extra != 0)
ml_updatechunk(buf, lnum, (long)extra, ML_CHNK_UPDLINE);
#endif
}
else
@@ -5595,7 +5609,7 @@ ml_updatechunk(
else
#endif
{
if (idx == 0)// first line in block, text at the end
if (idx == 0) // first line in block, text at the end
text_end = dp->db_txt_end;
else
text_end = ((dp->db_index[idx - 1]) & DB_INDEX_MASK);
@@ -5734,7 +5748,7 @@ ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp)
return 1; // Not a "find offset" and offset 0 _must_ be in line 1
/*
* Find the last chunk before the one containing our line. Last chunk is
* special because it will never qualify
* special because it will never qualify.
*/
curline = 1;
curix = size = 0;

12
src/testdir/test_textprop.vim
View File

@@ -809,8 +809,18 @@ func Test_prop_line2byte()
call assert_equal(19, line2byte(3))
call prop_add(1, 1, {'end_col': 3, 'type': 'comment'})
call assert_equal(19, line2byte(3))
bwipe!
new
call setline(1, range(500))
call assert_equal(1491, line2byte(401))
call prop_add(2, 1, {'type': 'comment'})
call prop_add(222, 1, {'type': 'comment'})
call assert_equal(1491, line2byte(401))
call prop_remove({'type': 'comment'})
call assert_equal(1491, line2byte(401))
bwipe!
call prop_type_delete('comment')
endfunc

2
src/version.c
View File

@@ -755,6 +755,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
3348,
/**/
3347,
/**/