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Add support for workspace/didChangeWatchedFiles #1048

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Add support for workspace/didChangeWatchedFiles #1048

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Add support for workspace/didChangeWatchedFiles
dradtke Jan 15, 2021
596938d
Merge branch 'master' of https://github.com/prabirshrestha/vim-lsp in…
dradtke Jan 15, 2021
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53 changes: 52 additions & 1 deletion autoload/lsp.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,8 @@ function! lsp#register_server(server_info) abort
\ 'server_info': a:server_info,
\ 'lsp_id': 0,
\ 'buffers': {},
\ 'watchers': [],
\ 'unregister_capability_callbacks': {},
\ }
call lsp#log('lsp#register_server', 'server registered', l:server_name)
doautocmd <nomodeline> User lsp_register_server
Expand Down Expand Up @@ -256,6 +258,7 @@ function! s:on_text_document_did_save() abort
call s:ensure_flush(l:buf, l:server_name, {result->s:call_did_save(l:buf, l:server_name, result, function('s:Noop'))})
endif
endfor
call s:notify_did_change(l:buf)
endfunction

function! s:on_text_document_did_change() abort
Expand Down Expand Up @@ -303,6 +306,27 @@ function! s:call_did_save(buf, server_name, result, cb) abort
call a:cb(l:msg)
endfunction

function! s:notify_did_change(buf) abort
let l:path = lsp#utils#get_buffer_uri(a:buf)
for l:server_name in keys(s:servers)
for l:watcher in s:servers[l:server_name]['watchers']
let l:kind = get(l:watcher, 'kind', 7)
" Only notify watchers that requested Change events.
if and(l:kind, 2)
if l:path =~ glob2regpat(l:watcher['globPattern'])
call lsp#log_verbose('Notifying '.l:server_name.' server of change to '.l:path)
call s:send_notification(l:server_name, {
\ 'method': 'workspace/didChangeWatchedFiles',
\ 'params': {
\ 'changes': [{'uri': l:path, 'type': 2}],
\ }})
break
endif
endif
endfor
endfor
endfunction

function! s:on_text_document_did_close() abort
let l:buf = bufnr('%')
if getbufvar(l:buf, '&buftype') ==# 'terminal' | return | endif
Expand Down Expand Up @@ -544,7 +568,8 @@ function! lsp#default_get_supported_capabilities(server_info) abort
\ },
\ 'workspace': {
\ 'applyEdit': v:true,
\ 'configuration': v:true
\ 'configuration': v:true,
\ 'didChangeWatchedFiles': {'dynamicRegistration': v:true},
\ },
\ }
endfunction
Expand Down Expand Up @@ -818,6 +843,18 @@ function! s:on_request(server_name, id, request) abort
elseif a:request['method'] ==# 'workspace/configuration'
let l:response_items = map(a:request['params']['items'], { key, val -> lsp#utils#workspace_config#get_value(a:server_name, val) })
call s:send_response(a:server_name, { 'id': a:request['id'], 'result': l:response_items })
elseif a:request['method'] ==# 'client/registerCapability'
for l:registration in a:request['params']['registrations']
call s:handle_register_capability(a:server_name, l:registration)
endfor
elseif a:request['method'] ==# 'client/unregisterCapability'
for l:unregistration in a:request['params']['unregisterations']
let l:id = a:request['params']['id']
let l:unregister_callbacks = s:servers[a:server_name]['unregister_capability_callbacks']
if has_key(l:unregister_callbacks, l:id)
call l:unregister_callbacks[l:id]()
endif
endfor
elseif a:request['method'] ==# 'window/workDoneProgress/create'
call s:send_response(a:server_name, { 'id': a:request['id'], 'result': v:null})
else
Expand All @@ -829,6 +866,20 @@ function! s:on_request(server_name, id, request) abort
endif
endfunction

function! s:handle_register_capability(server_name, registration) abort
let l:id = a:registration['id']
let l:method = a:registration['method']
call lsp#log_verbose('Registering client capability: '.l:method)
if l:method ==# 'workspace/didChangeWatchedFiles'
let s:servers[a:server_name]['watchers'] = a:registration['registerOptions']['watchers']
let s:servers[a:server_name]['unregister_capability_callbacks'][l:id] = function('s:clear_watchers', [a:server_name])
endif
endfunction

function! s:clear_watchers(server_name) abort
let s:servers[a:server_name]['watchers'] = []
endfunction

function! s:handle_initialize(server_name, data) abort
let l:response = a:data['response']
let l:server = s:servers[a:server_name]
Expand Down