73433Re: [BUG] Two :silent! bugs: silencing exception disables :try/:catch and it does not work for :throw
- Sep 28, 2013
On Sep 29, 2013 12:24 AM, "Bram Moolenaar" <Bram@...> wrote:
> ZyX wrote:
> > Try sourcing the following script
> > function Fu()
> > throw 1234
> > endfunction
> > silent! call Fu()
> > try|let b=au#xxx()|catch|echomsg v:exception|endtry
> > . After you source it with “vim -u NONE -N -S script-name.vim” you will see
> > Error detected while processing /tmp/zshubfJ7j:
> > line 5:
> > E117: Unknown function: au#xxx
> > E15: Invalid expression: au#xxx()|catch|echomsg v:exception|endtry
> > while expected to see just
> > Vim(let):E117: Unknown function: au#xxx
> > . If you replace “let b=au#xxx()” with “throw 1234”
> > exception is caught as expected.
> Apparently some flag is set that is not reset as expected.
> The exception handling is complicated.
This looks more like some incremented/decremented int option: no matter how many try/catch blocks you have after this happened, they all fail to catch error messages. I have not debugged the issue yet though.
> > Also note that “:silent! throw 1234” does not silence the exception.--
> > Note: while :try/:catch does not work after you experienced this
> > problem you still may use :redir to get error messages silenced with
> > :silent!.
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