ale/autoload/ale/sign.vim

139 lines
4.1 KiB
VimL

scriptencoding utf8
" Author: w0rp <devw0rp@gmail.com>
" Description: Draws error and warning signs into signcolumn
let b:dummy_sign_set_map = {}
if !hlexists('ALEErrorSign')
highlight link ALEErrorSign error
endif
if !hlexists('ALEWarningSign')
highlight link ALEWarningSign todo
endif
if !hlexists('ALEError')
highlight link ALEError SpellBad
endif
if !hlexists('ALEWarning')
highlight link ALEWarning SpellCap
endif
" Global variables for signs
let g:ale_sign_error = get(g:, 'ale_sign_error', '>>')
let g:ale_sign_warning = get(g:, 'ale_sign_warning', '--')
" An offset which can be set for sign IDs.
" This ID can be changed depending on what IDs are set for other plugins.
" The dummy sign will use the ID exactly equal to the offset.
let g:ale_sign_offset = get(g:, 'ale_sign_offset', 1000000)
" Signs show up on the left for error markers.
execute 'sign define ALEErrorSign text=' . g:ale_sign_error
\ . ' texthl=ALEErrorSign'
execute 'sign define ALEWarningSign text=' . g:ale_sign_warning
\ . ' texthl=ALEWarningSign'
sign define ALEDummySign
function! ale#sign#FindCurrentSigns(buffer) abort
" Matches output like :
" line=4 id=1 name=ALEErrorSign
" строка=1 id=1000001 имя=ALEErrorSign
let l:pattern = 'id=\(\d\+\).*=ALE\(Warning\|Error\)Sign'
redir => l:output
silent exec 'sign place buffer=' . a:buffer
redir END
let l:id_list = []
for l:line in split(l:output, "\n")
let l:match = matchlist(l:line, l:pattern)
if len(l:match) > 0
call add(l:id_list, l:match[1] + 0)
endif
endfor
return l:id_list
endfunction
" Given a loclist, combine the loclist into a list of signs such that only
" one sign appears per line. Error lines will take precedence.
" The loclist will have been previously sorted.
function! ale#sign#CombineSigns(loclist) abort
let l:signlist = []
for l:obj in a:loclist
let l:should_append = 1
if l:obj.lnum < 1
" Skip warnings and errors at line 0, etc.
continue
endif
if len(l:signlist) > 0 && l:signlist[-1].lnum == l:obj.lnum
" We can't add the same line twice, because signs must be
" unique per line.
let l:should_append = 0
if l:signlist[-1].type ==# 'W' && l:obj.type ==# 'E'
" If we had a warning previously, but now have an error,
" we replace the object to set an error instead.
let l:signlist[-1] = l:obj
endif
endif
if l:should_append
call add(l:signlist, l:obj)
endif
endfor
return l:signlist
endfunction
" This function will set the signs which show up on the left.
function! ale#sign#SetSigns(buffer, loclist) abort
let l:signlist = ale#sign#CombineSigns(a:loclist)
if len(l:signlist) > 0 || g:ale_sign_column_always
if !get(g:ale_buffer_sign_dummy_map, a:buffer, 0)
" Insert a dummy sign if one is missing.
execute 'sign place ' . g:ale_sign_offset
\ . ' line=1 name=ALEDummySign buffer='
\ . a:buffer
let g:ale_buffer_sign_dummy_map[a:buffer] = 1
endif
endif
" Find the current signs with the markers we use.
let l:current_id_list = ale#sign#FindCurrentSigns(a:buffer)
" Remove those markers.
for l:current_id in l:current_id_list
exec 'sign unplace ' . l:current_id . ' buffer=' . a:buffer
endfor
" Now set all of the signs.
for l:index in range(0, len(l:signlist) - 1)
let l:sign = l:signlist[l:index]
let l:type = l:sign['type'] ==# 'W' ? 'ALEWarningSign' : 'ALEErrorSign'
let l:sign_line = 'sign place ' . (l:index + g:ale_sign_offset + 1)
\. ' line=' . l:sign['lnum']
\. ' name=' . l:type
\. ' buffer=' . a:buffer
exec l:sign_line
endfor
if !g:ale_sign_column_always && len(l:signlist) > 0
if get(g:ale_buffer_sign_dummy_map, a:buffer, 0)
execute 'sign unplace ' . g:ale_sign_offset . ' buffer=' . a:buffer
let g:ale_buffer_sign_dummy_map[a:buffer] = 0
endif
endif
endfunction