ale/ale_linters/fish/fish.vim

68 lines
2.1 KiB
VimL

" Author: Niraj Thapaliya - https://github.com/nthapaliya
" Description: Lints fish files using fish -n
function! ale_linters#fish#fish#Handle(buffer, lines) abort
" Matches patterns such as:
"
" home/.config/fish/functions/foo.fish (line 1): Missing end to balance this function definition
" function foo
" ^
"
" OR, patterns such as:
"
" Unsupported use of '||'. In fish, please use 'COMMAND; or COMMAND'.
" /tmp/vLz620o/258/test.fish (line 2): if set -q SSH_CLIENT || set -q SSH_TTY
" ^
"
" fish -n can return errors in either format.
let l:pattern = '^\(.* (line \(\d\+\)): \)\(.*\)$'
let l:column_pattern = '^ *\^'
let l:output = []
let l:column_offset = 0
let l:last_line_with_message = ''
for l:line in a:lines
" Look for error lines first.
let l:match = matchlist(l:line, l:pattern)
if !empty(l:match)
if !empty(l:last_line_with_message)
let l:text = l:last_line_with_message
else
let l:text = l:match[3]
endif
let l:column_offset = len(l:match[1])
let l:last_line_with_message = ''
call add(l:output, {
\ 'col': 0,
\ 'lnum': str2nr(l:match[2]),
\ 'text': l:text,
\})
else
" Look for column markers like ' ^' second.
" The column index will be set according to how long the line is.
let l:column_match = matchstr(l:line, l:column_pattern)
if !empty(l:column_match) && !empty(l:output)
let l:output[-1].col = len(l:column_match) - l:column_offset
let l:last_line_with_message = ''
else
let l:last_line_with_message = l:line
let l:column_offset = 0
endif
endif
endfor
return l:output
endfunction
call ale#linter#Define('fish', {
\ 'name': 'fish',
\ 'output_stream': 'stderr',
\ 'executable': 'fish',
\ 'command': 'fish -n %t',
\ 'callback': 'ale_linters#fish#fish#Handle',
\})