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" Author: Chuck Grindel <chuck.grindel@gmail.com>
" Description: Bazel Starlark lint support using buildifier.
function! ale_linters#bzl#buildifier#GetCommand(buffer) abort
let l:executable = ale#Escape(ale#fixers#buildifier#GetExecutable(a:buffer))
let l:options = ale#Var(a:buffer, 'bazel_buildifier_options')
let l:filename = ale#Escape(bufname(a:buffer))
let l:command = l:executable . ' -mode check -lint warn -path %s'
if l:options isnot# ''
let l:command .= ' ' . l:options
endif
return l:command
endfunction
function! ale_linters#bzl#buildifier#Handle(buffer, lines) abort
let l:pattern = '\v^[^:]+:(\d+):(\d+)?:?\s+(syntax error near)?(.+)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'text': l:match[3] . l:match[4],
\ 'type': l:match[3] is# 'syntax error near' ? 'E' : 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('bzl', {
\ 'name': 'buildifier',
\ 'output_stream': 'both',
\ 'executable': function('ale#fixers#buildifier#GetExecutable'),
\ 'command': function('ale_linters#bzl#buildifier#GetCommand'),
\ 'callback': function('ale_linters#bzl#buildifier#Handle'),
\})
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