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Fix #964 - Remove signs when multiple signs end up on a single line

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This commit is contained in:
w0rp 2017-10-03 10:00:16 +01:00
parent 7392f808c0
commit 3ab414de1a
2 changed files with 44 additions and 16 deletions
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49
autoload/ale/sign.vim
View file

@ -214,24 +214,32 @@ function! s:BuildSignMap(current_sign_list, grouped_items) abort
let l:sign_offset = g:ale_sign_offset
for [l:line, l:sign_id, l:name] in a:current_sign_list
let l:sign_map[l:line] = {
\ 'current_id': l:sign_id,
\ 'current_name': l:name,
let l:sign_info = get(l:sign_map, l:line, {
\ 'current_id_list': [],
\ 'current_name_list': [],
\ 'new_id': 0,
\ 'new_name': '',
\ 'items': [],
\}
\})
" Increment the sign offset for new signs, by the maximum sign ID.
if l:sign_id > l:sign_offset
let l:sign_offset = l:sign_id
endif
" Remember the sign names and IDs in separate Lists, so they are easy
" to work with.
call add(l:sign_info.current_id_list, l:sign_id)
call add(l:sign_info.current_name_list, l:name)
let l:sign_map[l:line] = l:sign_info
endfor
for l:group in a:grouped_items
let l:line = l:group[0].lnum
let l:sign_info = get(l:sign_map, l:line, {
\ 'current_id': 0,
\ 'current_name': '',
\ 'current_id_list': [],
\ 'current_name_list': [],
\ 'new_id': 0,
\ 'new_name': '',
\ 'items': [],
@ -240,11 +248,18 @@ function! s:BuildSignMap(current_sign_list, grouped_items) abort
let l:sign_info.new_name = ale#sign#GetSignName(l:group)
let l:sign_info.items = l:group
if l:sign_info.current_name isnot# l:sign_info.new_name
let l:index = index(
\ l:sign_info.current_name_list,
\ l:sign_info.new_name
\)
if l:index >= 0
" We have a sign with this name already, so use the same ID.
let l:sign_info.new_id = l:sign_info.current_id_list[l:index]
else
" This sign name replaces the previous name, so use a new ID.
let l:sign_info.new_id = l:sign_offset + 1
let l:sign_offset += 1
else
let l:sign_info.new_id = l:sign_info.current_id
endif
let l:sign_map[l:line] = l:sign_info
@ -278,7 +293,7 @@ function! ale#sign#GetSignCommands(buffer, was_sign_set, sign_map) abort
let l:item.sign_id = l:info.new_id
endfor
if l:info.new_id isnot l:info.current_id
if index(l:info.current_id_list, l:info.new_id) < 0
call add(l:command_list, 'sign place '
\ . (l:info.new_id)
\ . ' line=' . l:line_str
@ -291,12 +306,14 @@ function! ale#sign#GetSignCommands(buffer, was_sign_set, sign_map) abort
" Remove signs without new IDs.
for l:info in values(a:sign_map)
if l:info.current_id && l:info.current_id isnot l:info.new_id
call add(l:command_list, 'sign unplace '
\ . (l:info.current_id)
\ . ' buffer=' . a:buffer
\)
endif
for l:current_id in l:info.current_id_list
if l:current_id isnot l:info.new_id
call add(l:command_list, 'sign unplace '
\ . l:current_id
\ . ' buffer=' . a:buffer
\)
endif
endfor
endfor
" Remove the dummy sign to close the sign column if we need to.

11
test/sign/test_sign_placement.vader
View file

@ -269,3 +269,14 @@ Execute(It should be possible to clear signs with empty lists):
Execute(No exceptions should be thrown when setting signs for invalid buffers):
call ale#sign#SetSigns(123456789, [{'lnum': 15, 'col': 2, 'type': 'W', 'text': 'e'}])
Execute(Signs should be removed when lines have multiple sign IDs on them):
" We can fail to remove signs if there are multiple signs on one line,
" say after deleting lines in Vim, etc.
exec 'sign place 1000347 line=3 name=ALEErrorSign buffer=' . bufnr('')
exec 'sign place 1000348 line=3 name=ALEWarningSign buffer=' . bufnr('')
exec 'sign place 1000349 line=10 name=ALEErrorSign buffer=' . bufnr('')
exec 'sign place 1000350 line=10 name=ALEWarningSign buffer=' . bufnr('')
call ale#sign#SetSigns(bufnr(''), [])
AssertEqual [], ParseSigns()