Christian Brabandt wrote:
> Bram,
> Charles asked me, if I could extend the vim debugger and add a watch
> feature, so it would be easier for him to debug netrw issues.
>
> So here is the patch:
> https://github.com/chrisbra/vim-mq-patches/blob/master/watchexpr
>
> As far as I know, Charles has already tested it successfully.
> Test suite is run successfully
Thanks, this sounds really useful!
It's not quite clear to me how this works:
:breaka[dd] expr {string}
Sets a breakpoint, that will break whenever the {string}
evaluates to true. Example: >
:breakadd expr g:lnum
However, g:lnum is always true (non-zero).
Looking at the implementation, it seems that the previous value of
g:lnum is stored and the break happens when the value changes.
Perhaps you can add a few more examples. I would think it's also very
useful to check the result of any expression. e.g.:
breakadd expr &tabstop == 4
Which would break just after 'tabstop' was set to 4 or to another value.
Obviously this would be slow, evaluating the expression very many times,
but manually finding this spot is much slower.
--
We are the Borg of GNU GPL. We will assimilate your source code.
Resistance is futile.
/// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\
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