" Author: Jon Xie https://github.com/xiejiangzhi
" Description: luac linter for lua files
call ale#Set('lua_luac_executable', 'luac')
function! ale_linters#lua#luac#Handle(buffer, lines) abort
" Matches patterns line the following:
"
" luac: stdin:5: '=' expected near ')'
" luac: stdin:8: ')' expected (to close '(' at line 6) near '123'
let l:pattern = '\v^.*:(\d+): (.+)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'type': 'E',
\ 'text': l:match[2],
\})
endfor
return l:output
endfunction
call ale#linter#Define('lua', {
\ 'name': 'luac',
\ 'executable_callback': ale#VarFunc('lua_luac_executable'),
\ 'command': '%e -p -',
\ 'output_stream': 'stderr',
\ 'callback': 'ale_linters#lua#luac#Handle',