Re: How to debug a vim plugin?

On Mon, Dec 10, 2018 at 3:55 PM Peng Yu <pengyu.ut@gmail.com> wrote:
>
> Hi,
>
> I am wondering how to debug a vim plugin (for example, the following
> one) in an efficient way.
>
> https://github.com/Clavelito/indent-sh.vim/blob/master/indent/sh.vim
>
> The main difficulty that I see is that a vim plugin is different from
> a typical program is that in a typical programming language one can
> easily isolate a piece of code and insert print statements. But in a
> vim plugin, since it causes some effects in the code shown in vim, I
> am not sure how a print statement can help much.
>
> Also, in a regular programming language, one can run a function with
> different parameters, then check its behavior. But a vim plugin is
> just a whole piece of code, it is not clear how to run a piece of code
> in an isolated environment to inspect its behavior.
>
> Does anybody have any tips on how to debugging vim plugins? Thanks.
>
> --
> Regards,
> Peng

Debugging Vim-script language is Dr. Chip's province; he even wrote a
script to help debug other scripts. You may already check if
http://www.drchip.org/astronaut/vim/#DECHO helps you, otherwise I'm
adding Dr. Chip as Cc in case he might have other helpful information
for you.

Best regards,
Tony.

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