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patch 9.0.0750: crash when popup closed in callback

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Problem:    Crash when popup closed in callback. (Maxim Kim)
Solution:   In syntax_end_parsing() check that syn_block is valid.
This commit is contained in:
Bram Moolenaar 2022-10-14 17:04:09 +01:00
parent 975a665d48
commit 0abd6cf62d
4 changed files with 8 additions and 4 deletions
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4
src/drawscreen.c
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@ -2486,7 +2486,7 @@ win_update(win_T *wp)
// Let the syntax stuff know we skipped a few lines.
if (syntax_last_parsed != 0 && syntax_last_parsed + 1 < lnum
&& syntax_present(wp))
syntax_end_parsing(syntax_last_parsed + 1);
syntax_end_parsing(wp, syntax_last_parsed + 1);
#endif
// Display one line.
@ -2601,7 +2601,7 @@ win_update(win_T *wp)
#ifdef FEAT_SYN_HL
// Let the syntax stuff know we stop parsing here.
if (syntax_last_parsed != 0 && syntax_present(wp))
syntax_end_parsing(syntax_last_parsed + 1);
syntax_end_parsing(wp, syntax_last_parsed + 1);
#endif
// If we didn't hit the end of the file, and we didn't finish the last

2
src/proto/syntax.pro
View File

@ -2,7 +2,7 @@
void syntax_start(win_T *wp, linenr_T lnum);
void syn_stack_free_all(synblock_T *block);
void syn_stack_apply_changes(buf_T *buf);
void syntax_end_parsing(linenr_T lnum);
void syntax_end_parsing(win_T *wp, linenr_T lnum);
int syntax_check_changed(linenr_T lnum);
int get_syntax_attr(colnr_T col, int *can_spell, int keep_state);
void syntax_clear(synblock_T *block);

4
src/syntax.c
View File

@ -1542,10 +1542,12 @@ syn_stack_equal(synstate_T *sp)
* lnum -> line below window
*/
void
syntax_end_parsing(linenr_T lnum)
syntax_end_parsing(win_T *wp, linenr_T lnum)
{
synstate_T *sp;
if (syn_block != wp->w_s)
return; // not the right window
sp = syn_stack_find_entry(lnum);
if (sp != NULL && sp->sst_lnum < lnum)
sp = sp->sst_next;

2
src/version.c
View File

@ -695,6 +695,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
750,
/**/
749,
/**/