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scriptencoding utf-8
" Author: Johannes Wienke <languitar@semipol.de>
" Description: Error handling for errors in alex output format
function! ale#handlers#alex#GetExecutable(buffer) abort
return ale#path#FindExecutable(a:buffer, 'alex', [
\ 'node_modules/.bin/alex',
\ 'node_modules/alex/cli.js',
\])
endfunction
function! ale#handlers#alex#CreateCommandCallback(flags) abort
return {b -> ale#node#Executable(b, ale#handlers#alex#GetExecutable(b))
\ . ' %s '
\ . a:flags}
endfunction
function! ale#handlers#alex#Handle(buffer, lines) abort
" Example output:
" 6:256-6:262 warning Be careful with “killed”, it’s profane in some cases killed retext-profanities
let l:pattern = '\v^ *(\d+):(\d+)-(\d+):(\d+) +warning +(.{-}) +(.{-}) +(.{-})$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'end_lnum': l:match[3] + 0,
\ 'end_col': l:match[4] - 1,
\ 'text': l:match[5] . ' (' . (l:match[7]) . ')',
\ 'type': 'W',
\})
endfor
return l:output
endfunction
" Define a linter for a specific filetype. Accept flags to adapt to the filetype.
" no flags treat input as markdown
" --html treat input as HTML
" --text treat input as plaintext
function! ale#handlers#alex#DefineLinter(filetype, flags) abort
call ale#Set('alex_executable', 'alex')
call ale#Set('alex_use_global', get(g:, 'ale_use_global_executables', 0))
call ale#linter#Define(a:filetype, {
\ 'name': 'alex',
\ 'executable': function('ale#handlers#alex#GetExecutable'),
\ 'command': ale#handlers#alex#CreateCommandCallback(a:flags),
\ 'output_stream': 'stderr',
\ 'callback': 'ale#handlers#alex#Handle',
\ 'lint_file': 1,
\})
endfunction
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