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dotfiles/dot_vim/plugged/asyncomplete-lsp.vim/plugin/asyncomplete-lsp.vim

104 lines
3.7 KiB
VimL

if exists('g:asyncomplete_lsp_loaded')
finish
endif
let g:asyncomplete_lsp_loaded = 1
let s:servers = {} " { server_name: 1 }
augroup asyncomplete_lsp
au!
au User lsp_server_init call s:server_initialized()
au User lsp_server_exit call s:server_exited()
augroup END
function! s:server_initialized() abort
let l:server_names = lsp#get_server_names()
for l:server_name in l:server_names
if has_key(s:servers, l:server_name)
continue
endif
let l:init_capabilities = lsp#get_server_capabilities(l:server_name)
if !has_key(l:init_capabilities, 'completionProvider')
continue
endif
let l:server = lsp#get_server_info(l:server_name)
let l:name = s:generate_asyncomplete_name(l:server_name)
let l:source_opt = {
\ 'name': l:name,
\ 'completor': function('s:completor', [l:server]),
\ }
if type(l:init_capabilities['completionProvider']) == type({}) && has_key(l:init_capabilities['completionProvider'], 'triggerCharacters')
let l:source_opt['triggers'] = { '*': l:init_capabilities['completionProvider']['triggerCharacters'] }
endif
if has_key(l:server, 'allowlist')
let l:source_opt['allowlist'] = l:server['allowlist']
elseif has_key(l:server, 'whitelist')
let l:source_opt['allowlist'] = l:server['whitelist']
endif
if has_key(l:server, 'blocklist')
let l:source_opt['blocklist'] = l:server['blocklist']
elseif has_key(l:server, 'blacklist')
let l:source_opt['blocklist'] = l:server['blacklist']
endif
if has_key(l:server, 'priority')
let l:source_opt['priority'] = l:server['priority']
endif
call asyncomplete#register_source(l:source_opt)
let s:servers[l:server_name] = 1
endfor
endfunction
function! s:server_exited() abort
let l:server_names = lsp#get_server_names()
for l:server_name in l:server_names
if !has_key(s:servers, l:server_name)
continue
endif
let l:name = s:generate_asyncomplete_name(l:server_name)
if s:servers[l:server_name]
call asyncomplete#unregister_source(l:name)
endif
unlet s:servers[l:server_name]
endfor
endfunction
function! s:generate_asyncomplete_name(server_name) abort
return 'asyncomplete_lsp_' . a:server_name
endfunction
function! s:completor(server, opt, ctx) abort
let l:position = lsp#get_position()
call lsp#send_request(a:server['name'], {
\ 'method': 'textDocument/completion',
\ 'params': {
\ 'textDocument': lsp#get_text_document_identifier(),
\ 'position': l:position,
\ },
\ 'on_notification': function('s:handle_completion', [a:server, l:position, a:opt, a:ctx]),
\ })
endfunction
function! s:handle_completion(server, position, opt, ctx, data) abort
if lsp#client#is_error(a:data) || !has_key(a:data, 'response') || !has_key(a:data['response'], 'result')
return
endif
let l:options = {
\ 'server': a:server,
\ 'position': a:position,
\ 'response': a:data['response'],
\ }
let l:completion_result = lsp#omni#get_vim_completion_items(l:options)
let l:col = a:ctx['col']
let l:typed = a:ctx['typed']
let l:kw = matchstr(l:typed, get(b:, 'asyncomplete_refresh_pattern', '\k\+$'))
let l:kwlen = len(l:kw)
let l:startcol = l:col - l:kwlen
let l:startcol = min([l:startcol, get(l:completion_result, 'startcol', l:startcol)])
call asyncomplete#complete(a:opt['name'], a:ctx, l:startcol, l:completion_result['items'], l:completion_result['incomplete'])
endfunction