lua.vim

function! SyntaxCheckers_lua_GetLocList()
    let makeprg = 'luac -p ' . shellescape(expand(''))
    let errorformat =  'luac: #f:l: m'

    return SyntasticMake({ 'makeprg': makeprg,
                         \ 'errorformat': errorformat,
                         \ 'defaults': { 'bufnr': bufnr(''), 'type': 'E' } })

endfunction