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" Author: aqui18 <https://github.com/aqui18>
" Description: This file adds support for checking Racket code with raco.
" This is the same form of syntax-checking used by DrRacket as well. The
" downside is that it will only catch the first error, but none of the
" subsequent ones. This is due to how evaluation in Racket works.
function! ale_linters#racket#raco#Handle(buffer, lines) abort
" Matches patterns
" <file>:<line>:<column> <message>
" eg:
" info.rkt:4:0: infotab-module: not a well-formed definition
let l:pattern = '^\(\s\)\@!\(.\+\):\(\d\+\):\(\d\+\): \(.\+\)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[3] + 0,
\ 'col': l:match[4] + 0,
\ 'type': 'E',
\ 'text': l:match[5],
\})
endfor
return l:output
endfunction
call ale#linter#Define('racket', {
\ 'name': 'raco',
\ 'executable': 'raco',
\ 'output_stream': 'stderr',
\ 'command': 'raco expand %s',
\ 'callback': 'ale_linters#racket#raco#Handle',
\})
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