diff options
| author | Bram Moolenaar <Bram@vim.org> | 2017-07-08 22:37:34 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2017-07-08 22:37:34 +0200 |
| commit | c577d813b7978345dec4310b2d8f5d5624a681f6 (patch) | |
| tree | 662bfda985692d778505c74d5c512201e1265362 /runtime | |
| parent | 11e79bb04ea635d180dd79b1d5cbc755b56e66e1 (diff) | |
patch 8.0.0702: an error in a timer can make Vim unusablev8.0.0702
Problem: An error in a timer can make Vim unusable.
Solution: Don't set the error flag or exception from a timer. Stop a timer
if it causes an error 3 out of 3 times. Discard an exception
caused inside a timer.
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/doc/eval.txt | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 03f59a9595..781c79af01 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -1,4 +1,4 @@ -*eval.txt* For Vim version 8.0. Last change: 2017 Jun 25 +*eval.txt* For Vim version 8.0. Last change: 2017 Jul 08 VIM REFERENCE MANUAL by Bram Moolenaar @@ -4189,14 +4189,14 @@ getchar([expr]) *getchar()* not consumed. Return zero if no character available. Without [expr] and when [expr] is 0 a whole character or - special key is returned. If it is an 8-bit character, the + special key is returned. If it is a single character, the result is a number. Use nr2char() to convert it to a String. Otherwise a String is returned with the encoded character. - For a special key it's a sequence of bytes starting with 0x80 - (decimal: 128). This is the same value as the string - "\<Key>", e.g., "\<Left>". The returned value is also a - String when a modifier (shift, control, alt) was used that is - not included in the character. + For a special key it's a String with a sequence of bytes + starting with 0x80 (decimal: 128). This is the same value as + the String "\<Key>", e.g., "\<Left>". The returned value is + also a String when a modifier (shift, control, alt) was used + that is not included in the character. When [expr] is 0 and Esc is typed, there will be a short delay while Vim waits to see if this is the start of an escape @@ -8017,6 +8017,10 @@ timer_start({time}, {callback} [, {options}]) "repeat" Number of times to repeat calling the callback. -1 means forever. When not present the callback will be called once. + If the timer causes an error three times in a + row the repeat is cancelled. This avoids that + Vim becomes unusable because of all the error + messages. Example: > func MyHandler(timer) |