ale/ale_linters/nim/nimcheck.vim

80 lines
2.5 KiB
VimL

" Author: Baabelfish
" Description: Typechecking for nim files
let s:end_col_patterns = [
\ '\v''([^'']+)'' is declared but not used.*',
\ '\videntifier expected, but found ''([^'']+)''',
\ '\vimported and not used: ''([^'']+)''.*',
\ '\vundeclared identifier: ''([^'']+)''',
\ '\v''([^'']+)'' cannot be assigned to',
\ '\vredefinition of ''([^'']+)'';',
\]
function! ale_linters#nim#nimcheck#Handle(buffer, lines) abort
let l:buffer_filename = fnamemodify(bufname(a:buffer), ':p:t')
let l:pattern = '^\(.\+\.nim\)(\(\d\+\), \(\d\+\)) \(.\+\)'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
" Only show errors of the current buffer
" NOTE: Checking filename only is OK because nim enforces unique
" module names.
let l:temp_buffer_filename = fnamemodify(l:match[1], ':p:t')
if l:buffer_filename isnot# '' && l:temp_buffer_filename isnot# l:buffer_filename
continue
endif
let l:item = {
\ 'lnum': l:match[2] + 0,
\ 'col': l:match[3] + 0,
\ 'text': l:match[4],
\ 'type': 'W',
\}
" Extract error type from message of type 'Error: Some error message'
let l:error_match = matchlist(l:item.text, '^\(.\{-}\): \(.\+\)$')
if !empty(l:error_match)
if l:error_match[1] is# 'Error'
let l:item.type = 'E'
let l:item.text = l:error_match[2]
elseif l:error_match[1] is# 'Warning'
\|| l:error_match[1] is# 'Hint'
let l:item.text = l:error_match[2]
endif
endif
let l:code_match = matchlist(l:item.text, '\v^(.+) \[([^ \[]+)\]$')
if !empty(l:code_match)
let l:item.text = l:code_match[1]
let l:item.code = l:code_match[2]
endif
" Find position end_col.
for l:col_match in ale#util#GetMatches(l:item.text, s:end_col_patterns)
let l:item.end_col = l:item.col + len(l:col_match[1]) - 1
endfor
call add(l:output, l:item)
endfor
return l:output
endfunction
function! ale_linters#nim#nimcheck#GetCommand(buffer) abort
return 'nim check --verbosity:0 --colors:off --listFullPaths %s'
endfunction
call ale#linter#Define('nim', {
\ 'name': 'nimcheck',
\ 'executable': 'nim',
\ 'output_stream': 'both',
\ 'command': function('ale_linters#nim#nimcheck#GetCommand'),
\ 'callback': 'ale_linters#nim#nimcheck#Handle',
\ 'lint_file': 1,
\})