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" Author: Sol Bekic https://github.com/s-ol
" Description: luacheck linter for lua files
let g:ale_lua_luacheck_executable =
\ get(g:, 'ale_lua_luacheck_executable', 'luacheck')
let g:ale_lua_luacheck_options =
\ get(g:, 'ale_lua_luacheck_options', '')
function! ale_linters#lua#luacheck#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'lua_luacheck_executable')
endfunction
function! ale_linters#lua#luacheck#GetCommand(buffer) abort
return ale#Escape(ale_linters#lua#luacheck#GetExecutable(a:buffer))
\ . ' ' . ale#Var(a:buffer, 'lua_luacheck_options')
\ . ' --formatter plain --codes --filename %s -'
endfunction
function! ale_linters#lua#luacheck#Handle(buffer, lines) abort
" Matches patterns line the following:
"
" artal.lua:159:17: (W111) shadowing definition of loop variable 'i' on line 106
" artal.lua:182:7: (W213) unused loop variable 'i'
let l:pattern = '^.*:\(\d\+\):\(\d\+\): (\([WE]\)\(\d\+\)) \(.\+\)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
if !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
\ && l:match[3] is# 'W'
\ && index(range(611, 614), str2nr(l:match[4])) >= 0
continue
endif
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'text': l:match[3] . l:match[4] . ': ' . l:match[5],
\ 'type': l:match[3],
\})
endfor
return l:output
endfunction
call ale#linter#Define('lua', {
\ 'name': 'luacheck',
\ 'executable_callback': 'ale_linters#lua#luacheck#GetExecutable',
\ 'command_callback': 'ale_linters#lua#luacheck#GetCommand',
\ 'callback': 'ale_linters#lua#luacheck#Handle',
\})
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