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-rw-r--r--src/ex_cmds2.c4
-rw-r--r--src/getchar.c7
-rw-r--r--src/testdir/test_mapping.vim36
-rw-r--r--src/testdir/test_timers.vim35
-rw-r--r--src/testdir/test_vimscript.vim2
-rw-r--r--src/version.c2
6 files changed, 82 insertions, 4 deletions
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 8871f5dbf..036a2a735 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -367,8 +367,8 @@ check_due_timer(void)
int save_vgetc_busy = vgetc_busy;
int save_did_emsg = did_emsg;
int save_called_emsg = called_emsg;
- int save_must_redraw = must_redraw;
- int save_trylevel = trylevel;
+ int save_must_redraw = must_redraw;
+ int save_trylevel = trylevel;
int save_did_throw = did_throw;
int save_ex_pressedreturn = get_pressedreturn();
int save_may_garbage_collect = may_garbage_collect;
diff --git a/src/getchar.c b/src/getchar.c
index 80e98ec60..f6734a79a 100644
--- a/src/getchar.c
+++ b/src/getchar.c
@@ -2540,13 +2540,18 @@ vgetorpeek(int advance)
*/
if (mp->m_expr)
{
- int save_vgetc_busy = vgetc_busy;
+ int save_vgetc_busy = vgetc_busy;
+ int save_may_garbage_collect = may_garbage_collect;
vgetc_busy = 0;
+ may_garbage_collect = FALSE;
+
save_m_keys = vim_strsave(mp->m_keys);
save_m_str = vim_strsave(mp->m_str);
s = eval_map_expr(save_m_str, NUL);
+
vgetc_busy = save_vgetc_busy;
+ may_garbage_collect = save_may_garbage_collect;
}
else
#endif
diff --git a/src/testdir/test_mapping.vim b/src/testdir/test_mapping.vim
index a361b2fdc..7f90b0385 100644
--- a/src/testdir/test_mapping.vim
+++ b/src/testdir/test_mapping.vim
@@ -397,3 +397,39 @@ func Test_motionforce_omap()
delfunc Select
delfunc GetCommand
endfunc
+
+func Test_error_in_map_expr()
+ if !has('terminal') || (has('win32') && has('gui_running'))
+ throw 'Skipped: cannot run Vim in a terminal window'
+ endif
+
+ let lines =<< trim [CODE]
+ func Func()
+ " fail to create list
+ let x = [
+ endfunc
+ nmap <expr> ! Func()
+ set updatetime=50
+ [CODE]
+ call writefile(lines, 'Xtest.vim')
+
+ let buf = term_start(GetVimCommandClean() .. ' -S Xtest.vim', {'term_rows': 8})
+ let job = term_getjob(buf)
+ call WaitForAssert({-> assert_notequal('', term_getline(buf, 8))})
+
+ " GC must not run during map-expr processing, which can make Vim crash.
+ call term_sendkeys(buf, '!')
+ call term_wait(buf, 100)
+ call term_sendkeys(buf, "\<CR>")
+ call term_wait(buf, 100)
+ call assert_equal('run', job_status(job))
+
+ call term_sendkeys(buf, ":qall!\<CR>")
+ call WaitFor({-> job_status(job) ==# 'dead'})
+ if has('unix')
+ call assert_equal('', job_info(job).termsig)
+ endif
+
+ call delete('Xtest.vim')
+ exe buf .. 'bwipe!'
+endfunc
diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index 906613497..de13bcbe8 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -333,4 +333,39 @@ func Test_nocatch_garbage_collect()
delfunc FeedChar
endfunc
+func Test_error_in_timer_callback()
+ if !has('terminal') || (has('win32') && has('gui_running'))
+ throw 'Skipped: cannot run Vim in a terminal window'
+ endif
+
+ let lines =<< trim [CODE]
+ func Func(timer)
+ " fail to create list
+ let x = [
+ endfunc
+ set updatetime=50
+ call timer_start(1, 'Func')
+ [CODE]
+ call writefile(lines, 'Xtest.vim')
+
+ let buf = term_start(GetVimCommandClean() .. ' -S Xtest.vim', {'term_rows': 8})
+ let job = term_getjob(buf)
+ call WaitForAssert({-> assert_notequal('', term_getline(buf, 8))})
+
+ " GC must not run during timer callback, which can make Vim crash.
+ call term_wait(buf, 100)
+ call term_sendkeys(buf, "\<CR>")
+ call term_wait(buf, 100)
+ call assert_equal('run', job_status(job))
+
+ call term_sendkeys(buf, ":qall!\<CR>")
+ call WaitFor({-> job_status(job) ==# 'dead'})
+ if has('unix')
+ call assert_equal('', job_info(job).termsig)
+ endif
+
+ call delete('Xtest.vim')
+ exe buf .. 'bwipe!'
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/testdir/test_vimscript.vim b/src/testdir/test_vimscript.vim
index 328d19fa5..bf3e052ec 100644
--- a/src/testdir/test_vimscript.vim
+++ b/src/testdir/test_vimscript.vim
@@ -1665,7 +1665,7 @@ func Test_refcount()
delfunc DictFunc
endfunc
-func! Test_funccall_garbage_collect()
+func Test_funccall_garbage_collect()
func Func(x, ...)
call add(a:x, a:000)
endfunc
diff --git a/src/version.c b/src/version.c
index 5db753ca4..c21c12c6d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 1591,
+/**/
1590,
/**/
1589,