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" Author: Andrew Balmos - <andrew@balmos.org>
" Description: lacheck for LaTeX files
let g:ale_tex_lacheck_executable =
\ get(g:, 'ale_tex_lacheck_executable', 'lacheck')
function! ale_linters#tex#lacheck#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'tex_lacheck_executable')
endfunction
function! ale_linters#tex#lacheck#GetCommand(buffer) abort
return ale#Var(a:buffer, 'tex_lacheck_executable') . ' %t'
endfunction
function! ale_linters#tex#lacheck#Handle(buffer, lines) abort
" Mattes lines like:
"
" "book.tex", line 37: possible unwanted space at "{"
" "book.tex", line 38: missing `\ ' after "etc."
let l:pattern = '^".\+", line \(\d\+\): \(.\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
" lacheck follows `\input{}` commands. If the cwd is not the same as the
" file in the buffer then it will fail to find the inputed items. We do not
" want warnings from those items anyway
if !empty(matchstr(l:match[2], '^Could not open ".\+"$'))
continue
endif
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'col': 0,
\ 'text': l:match[2],
\ 'type': 'W',
\})
endfor
return l:output
endfunction
call ale#linter#Define('tex', {
\ 'name': 'lacheck',
\ 'executable_callback': 'ale_linters#tex#lacheck#GetExecutable',
\ 'command_callback': 'ale_linters#tex#lacheck#GetCommand',
\ 'callback': 'ale_linters#tex#lacheck#Handle'
\})
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