Re: Hep on writing custom text object

Asis,

On Saturday, June 14, 2014 5:30:15 PM UTC+2, Asis Hallab wrote:
> I am trying to write a custom text object. I call it "f" for function
> and it should match function in the functional programming language R.
> My attempts are based on vim tip
> http://vim.wikia.com/wiki/Creating_new_text_objects
>
> vnoremap af :<C-U>silent! normal! ?\S\+\s\+<-\s\+function<CR>/^\s*}
>
> omap af :normal Vaf<CR>
>
> In spite of the fact that the normal \S\+\s\+<-\s\+function does go
> back to a function declaration the first of the above mappings only
> works until the closing }.
>
> If for example my cursor is at the beginning of line 2 of the
> following function and I press daf in normal mode
>
> 1: myFunk <- function( x ) {
> 2: x^2 + 3 * x^35
> 3: srqt(x)
> 4: }
>
> only line 1 is retained.
>
> Any ideas?

many people like to rely on the 'textobj-user' plugin framework for
creating new text objects.

https://github.com/kana/vim-textobj-user
https://github.com/kana/vim-textobj-user/wiki

The 'textobj-function' plugin was specifically created to enable
selecting function text objects with af/if in any language.

https://github.com/kana/vim-textobj-function

Maybe you'll find this useful.


--
David

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