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ale/ale_linters/elixir/credo.vim
Jon Parise d3e7d3d5e7 Pass the buffer's filename to Credo
By default, Credo attributes input from STDIN as though it came from a
file named `stdin`. This change passes the buffer's filename, too, so
that Credo can use that information when applying its configuration.

This is a nice improvement because files like `mix.exs` are normally
excluded from Credo-based linting. Previously, ALE would show lint
warnings for those files as they were edited. Now, they are correctly
honor the Credo configuration and don't produce lint output.
2017-02-09 19:24:28 -08:00

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VimL

" Author: hauleth - https://github.com/hauleth
function! ale_linters#elixir#credo#Handle(buffer, lines) abort
" Matches patterns line the following:
"
" lib/filename.ex:19:7: F: Pipe chain should start with a raw value.
let l:pattern = '\v^.+:(\d+):?(\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
let l:type = l:match[3]
let l:text = l:match[4]
if l:type ==# 'C'
let l:type = 'E'
elseif l:type ==# 'R'
let l:type = 'W'
endif
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'vcol': 0,
\ 'col': l:match[2] + 0,
\ 'type': l:type,
\ 'text': l:text,
\ 'nr': -1,
\})
endfor
return l:output
endfunction
call ale#linter#Define('elixir', {
\ 'name': 'credo',
\ 'executable': 'mix',
\ 'command': 'mix credo suggest --format=flycheck --read-from-stdin %s',
\ 'callback': 'ale_linters#elixir#credo#Handle' })