autoload/plugins/regex.vim

Enforce vim script implementation to reduce ambiguities and improve robustness:

scriptversion 4

lang_complete(arglead: str, cmdline: str, cursorpos: int) → List[str]

Completion targets for usable :Regex modes.

Parameters

• arglead – Text of argument being completed

• cmdline – Text of the command line

• cursorpos – Location within command line

Returns

Completion candidates

function! plugins#regex#lang_complete(arglead, cmdline, cursorpos) abort
    const l:lang_files = glob(
    \   g:dein_repos_dir ..
    \   '/github.com/ervandew/regex/autoload/regex/lang/*.vim',
    \   v:false, v:true
    \ )
    const l:supported_langs = filter(
    \   mapnew(l:lang_files, {_, s -> fnamemodify(s, ':t:r')}),
    \   {_, s -> !empty(exepath(s))}
    \ )
    return sort(filter(l:supported_langs,
    \                  {_, s -> s =~? '^' .. a:arglead}))
endfunction