ale/ale_linters/ruby/rubocop.vim

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" Author: ynonp - https://github.com/ynonp
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" Description: rubocop for Ruby files
function! ale_linters#ruby#rubocop#Handle(buffer, lines) abort
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" Matches patterns line the following:
"
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" <path>:83:29: C: Prefer single-quoted strings when you don't
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" need string interpolation or special symbols.
let l:pattern = '\v:(\d+):(\d+): (.): (.+)'
let l:output = []
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for l:match in ale#util#GetMatches(a:lines, l:pattern)
let l:text = l:match[4]
let l:type = l:match[3]
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call add(l:output, {
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\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'text': l:text,
\ 'type': index(['F', 'E'], l:type) != -1 ? 'E' : 'W',
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\})
endfor
return l:output
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endfunction
function! ale_linters#ruby#rubocop#GetCommand(buffer) abort
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let l:unescaped = ale#Var(a:buffer, 'ruby_rubocop_executable')
let l:executable = ale#Escape(l:unescaped)
if l:unescaped =~? 'bundle$'
let l:executable = l:executable . ' exec rubocop'
endif
return l:executable
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\ . ' --format emacs --force-exclusion '
\ . ale#Var(a:buffer, 'ruby_rubocop_options')
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\ . ' --stdin ' . bufname(a:buffer)
endfunction
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function! ale_linters#ruby#rubocop#GetExecutable(buffer) abort
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let l:executable = ale#Var(a:buffer, 'ruby_rubocop_executable')
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if executable(l:executable)
return l:executable
endif
endfunction
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" 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
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if !exists('g:ale_ruby_rubocop_executable')
let g:ale_ruby_rubocop_executable = 'rubocop'
endif
call ale#linter#Define('ruby', {
\ 'name': 'rubocop',
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\ 'executable_callback': 'ale_linters#ruby#rubocop#GetExecutable',
\ 'command_callback': 'ale_linters#ruby#rubocop#GetCommand',
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\ 'callback': 'ale_linters#ruby#rubocop#Handle',
\})