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patch 9.1.0529: silent! causes following try/catch to not work

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Problem:  silent! causes following try/catch to not work
          (Malcolm Rowe)
Solution: consider emsg_silent in handle_did_throw() and do not abort
          evaluation flow for :silent! (LemonBoy)

The silent! flag causes the evaluation not to be aborted in case of
uncaught exceptions, adjust handle_did_throw to take this detail into
account.

Fixes the long-standing todo.txt item:
```
Problem that a previous silent ":throw" causes a following try/catch not
to work. (ZyX, 2013 Sep 28) With examples: (Malcolm Rowe, 2015 Dec 24)
Also see #8487 for an example.
```

fixes: #538
closes: #15128

Signed-off-by: LemonBoy <thatlemon@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
LemonBoy
2024-07-04 19:23:16 +02:00
committed by Christian Brabandt
parent 11d5992573
commit 749ba0f6d9
4 changed files with 35 additions and 7 deletions
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9
src/ex_docmd.c
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@ -1460,8 +1460,13 @@ handle_did_throw(void)
current_exception->throw_name = NULL;
discard_current_exception(); // uses IObuff if 'verbose'
suppress_errthrow = TRUE;
force_abort = TRUE;
// If "silent!" is active the uncaught exception is not fatal.
if (emsg_silent == 0)
{
suppress_errthrow = TRUE;
force_abort = TRUE;
}
if (messages != NULL)
{