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" Author: ynonp - https://github.com/ynonp
" Description: rubocop for Ruby files
if exists('g:loaded_ale_linters_ruby_rubocop')
finish
endif
let g:loaded_ale_linters_ruby_rubocop = 1
function! ale_linters#ruby#rubocop#Handle(buffer, lines)
" Matches patterns line the following:
"
" <path>/_:47:14: 83:29: C: Prefer single-quoted strings when you don't
" need string interpolation or special symbols.
let l:pattern = '\v_:(\d+):(\d+): (.): (.+)'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
let l:text = l:match[4]
let l:type = l:match[3]
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'vcol': 0,
\ 'col': l:match[2] + 0,
\ 'text': l:text,
\ 'type': l:type ==# 'C' ? 'E' : 'W',
\ 'nr': -1,
\})
endfor
return l:output
endfunction
call ale#linter#Define('ruby', {
\ 'name': 'rubocop',
\ 'executable': 'rubocop',
\ 'command': 'rubocop --format emacs --stdin _',
\ 'callback': 'ale_linters#ruby#rubocop#Handle',
\})
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