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" MIT License. Copyright (c) 2013-2019 Bjorn Neergaard, w0rp et al.
" Plugin: https://github.com/dense-analysis/ale
" vim: et ts=2 sts=2 sw=2
scriptencoding utf-8
if !get(g:, 'loaded_ale_dont_use_this_in_other_plugins_please', 0)
finish
endif
function! s:airline_ale_count(cnt, symbol)
return a:cnt ? a:symbol. a:cnt : ''
endfunction
function! s:legacy_airline_ale_get_line_number(cnt, type) abort
" Before ALE introduced the FirstProblem API function, this is how
" airline would get the line numbers:
" 1. Get the whole loclist; 2. Filter it for the desired problem type.
" 3. Return the line number of the first element in the filtered list.
if a:cnt == 0
return ''
endif
let buffer = bufnr('')
let problem_type = (a:type ==# 'error') ? 'E' : 'W'
let problems = copy(ale#engine#GetLoclist(buffer))
call filter(problems, 'v:val.bufnr is buffer && v:val.type is# problem_type')
if empty(problems)
return ''
endif
let open_lnum_symbol = get(g:, 'airline#extensions#ale#open_lnum_symbol', '(L')
let close_lnum_symbol = get(g:, 'airline#extensions#ale#close_lnum_symbol', ')')
return open_lnum_symbol . problems[0].lnum . close_lnum_symbol
endfunction
function! s:new_airline_ale_get_line_number(cnt, type) abort
" The FirstProblem call in ALE is a far more efficient way
" of obtaining line number data. If the installed ALE supports
" it, we should use this method of getting line data.
if a:cnt == 0
return ''
endif
let l:buffer = bufnr('')
" Try to get the first error from ALE.
let l:result = ale#statusline#FirstProblem(l:buffer, a:type)
if empty(l:result)
" If there are no errors then try and check for style errors.
let l:result = ale#statusline#FirstProblem(l:buffer, 'style_' . a:type)
endif
if empty(l:result)
return ''
endif
let l:open_lnum_symbol =
\ get(g:, 'airline#extensions#ale#open_lnum_symbol', '(L')
let l:close_lnum_symbol =
\ get(g:, 'airline#extensions#ale#close_lnum_symbol', ')')
return open_lnum_symbol . l:result.lnum . close_lnum_symbol
endfunction
function! s:airline_ale_get_line_number(cnt, type) abort
" Use the new ALE statusline API function if it is available.
if exists("*ale#statusline#FirstProblem")
return s:new_airline_ale_get_line_number(a:cnt, a:type)
endif
return s:legacy_airline_ale_get_line_number(a:cnt, a:type)
endfunction
function! airline#extensions#ale#get(type)
if !exists(':ALELint')
return ''
endif
let error_symbol = get(g:, 'airline#extensions#ale#error_symbol', 'E:')
let warning_symbol = get(g:, 'airline#extensions#ale#warning_symbol', 'W:')
let checking_symbol = get(g:, 'airline#extensions#ale#checking_symbol', '...')
let show_line_numbers = get(g:, 'airline#extensions#ale#show_line_numbers', 1)
let is_err = a:type ==# 'error'
if ale#engine#IsCheckingBuffer(bufnr('')) == 1
return is_err ? '' : checking_symbol
endif
let symbol = is_err ? error_symbol : warning_symbol
let counts = ale#statusline#Count(bufnr(''))
if type(counts) == type({}) && has_key(counts, 'error')
" Use the current Dictionary format.
let errors = counts.error + counts.style_error
let num = is_err ? errors : counts.total - errors
else
" Use the old List format.
let num = is_err ? counts[0] : counts[1]
endif
if show_line_numbers == 1
return s:airline_ale_count(num, symbol) . <sid>airline_ale_get_line_number(num, a:type)
else
return s:airline_ale_count(num, symbol)
endif
endfunction
function! airline#extensions#ale#get_warning()
return airline#extensions#ale#get('warning')
endfunction
function! airline#extensions#ale#get_error()
return airline#extensions#ale#get('error')
endfunction
function! airline#extensions#ale#init(ext)
call airline#parts#define_function('ale_error_count', 'airline#extensions#ale#get_error')
call airline#parts#define_function('ale_warning_count', 'airline#extensions#ale#get_warning')
augroup airline_ale
autocmd!
autocmd CursorHold,BufWritePost * call <sid>ale_refresh()
autocmd User ALEJobStarted,ALELintPost call <sid>ale_refresh()
augroup END
endfunction
function! s:ale_refresh()
if get(g:, 'airline_skip_empty_sections', 0)
exe ':AirlineRefresh!'
endif
endfunction
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