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" Author: ynonp - https://github.com/ynonp
" Description: rubocop for Ruby files
" Set this option to change Rubocop options.
if !exists('g:ale_ruby_rubocop_options')
" let g:ale_ruby_rubocop_options = '--lint'
let g:ale_ruby_rubocop_options = ''
endif
if !exists('g:ale_ruby_rubocop_executable')
let g:ale_ruby_rubocop_executable = 'rubocop'
endif
function! ale_linters#ruby#rubocop#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'ruby_rubocop_executable')
endfunction
function! ale_linters#ruby#rubocop#GetCommand(buffer) abort
let l:executable = ale#Var(a:buffer, 'ruby_rubocop_executable')
let l:exec_args = l:executable =~? 'bundle$'
\ ? ' exec rubocop'
\ : ''
return ale#Escape(l:executable) . l:exec_args
\ . ' --format emacs --force-exclusion '
\ . ale#Var(a:buffer, 'ruby_rubocop_options')
\ . ' --stdin ' . bufname(a:buffer)
endfunction
function! ale_linters#ruby#rubocop#Handle(buffer, lines) abort
" Matches patterns line the following:
"
" <path>: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:match in ale#util#GetMatches(a:lines, l:pattern)
let l:text = l:match[4]
let l:type = l:match[3]
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'text': l:text,
\ 'type': index(['F', 'E'], l:type) != -1 ? 'E' : 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('ruby', {
\ 'name': 'rubocop',
\ 'executable_callback': 'ale_linters#ruby#rubocop#GetExecutable',
\ 'command_callback': 'ale_linters#ruby#rubocop#GetCommand',
\ 'callback': 'ale_linters#ruby#rubocop#Handle',
\})
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