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" Author: David Mohundro <david@mohundro.com>
" Description: swiftlint for swift files
function! ale_linters#swift#swiftlint#Handle(buffer, lines) abort
let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+)?:? ([^:]+): (.+)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
let l:item = {
\ 'lnum': str2nr(l:match[2]),
\ 'type': l:match[4] is# 'error' ? 'E' : 'W',
\ 'text': l:match[5],
\}
if l:match[4] is# 'error'
let l:item.type = 'E'
elseif l:match[4] is# 'note'
let l:item.type = 'I'
endif
if !empty(l:match[3])
let l:item.col = str2nr(l:match[3])
endif
" If the filename is something like <stdin>, <nofile> or -, then
" this is an error for the file we checked.
if l:match[1] isnot# '-' && l:match[1][0] isnot# '<'
let l:item['filename'] = l:match[1]
endif
" Parse the code if it's there.
let l:code_match = matchlist(l:item.text, '\v^(.+) \(([^ (]+)\)$')
if !empty(l:code_match)
let l:item.text = l:code_match[1]
let l:item.code = l:code_match[2]
endif
call add(l:output, l:item)
endfor
return l:output
endfunction
call ale#linter#Define('swift', {
\ 'name': 'swiftlint',
\ 'executable': 'swiftlint',
\ 'command': 'swiftlint lint --use-stdin',
\ 'callback': 'ale_linters#swift#swiftlint#Handle',
\})
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