Re: Motion for C functions

Marco <netuse@lavabit.com> a écrit:
> On 2013–03–22 Paul Isambert wrote:
>
> > You can use an omap to do the same (with linewise visual mode to include the
> > closing brace):
> >
> > onoremap af :<C-U>normal! [[{V][<CR>
> >
> > Then yaf yanks the current function.
>
> This works, thanks. However, this raises more questions:
>
> Why does the following implementation of "if" copy one line more
> than necessary? If I run yif it says "8 lines yanked". If I run yi{
> it says "7 lines yanked".
>
> onoremap if :<C-U>normal! [[vi{<cr>

To me this is simply wrong (and shouldn't yank a single line) since
you're outside the braced block once [[ is performed, and i{ selects
the interior of a braced block.

> What is conceptually wrong with yi[[ or yi[m when it works with
> other motions like yis or yi{?

iX and aX selects text object X; there is no selectable text object [[
and [m. The list of existing text objects is in "help text-objects".

> Since vim has an understanding of
> functions (determined by the outermost brace pair probably) why is
> there no built in way to use this information for a motion?

That I don't know. You can script it, though!

Best,
Paul

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