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local source = require('cmp_nvim_lsp.source')
local M = {}
---Registered client and source mapping.
M.client_source_map = {}
---Setup cmp-nvim-lsp source.
M.setup = function()
vim.cmd([[
augroup cmp_nvim_lsp
autocmd!
autocmd InsertEnter * lua require'cmp_nvim_lsp'._on_insert_enter()
augroup END
]])
end
local if_nil = function(val, default)
if val == nil then return default end
return val
end
M.update_capabilities = function(capabilities, override)
override = override or {}
local completionItem = capabilities.textDocument.completion.completionItem
completionItem.snippetSupport = if_nil(override.snippetSupport, true)
completionItem.preselectSupport = if_nil(override.preselectSupport, true)
completionItem.insertReplaceSupport = if_nil(override.insertReplaceSupport, true)
completionItem.labelDetailsSupport = if_nil(override.labelDetailsSupport, true)
completionItem.deprecatedSupport = if_nil(override.deprecatedSupport, true)
completionItem.commitCharactersSupport = if_nil(override.commitCharactersSupport, true)
completionItem.tagSupport = if_nil(override.tagSupport, { valueSet = { 1 } })
completionItem.resolveSupport = if_nil(override.resolveSupport, {
properties = {
'documentation',
'detail',
'additionalTextEdits',
}
})
return capabilities
end
---Refresh sources on InsertEnter.
M._on_insert_enter = function()
local cmp = require('cmp')
local allowed_clients = {}
-- register all active clients.
for _, client in ipairs(vim.lsp.get_active_clients()) do
allowed_clients[client.id] = client
if not M.client_source_map[client.id] then
local s = source.new(client)
if s:is_available() then
M.client_source_map[client.id] = cmp.register_source('nvim_lsp', s)
end
end
end
-- register all buffer clients (early register before activation)
for _, client in ipairs(vim.lsp.buf_get_clients(0)) do
allowed_clients[client.id] = client
if not M.client_source_map[client.id] then
local s = source.new(client)
if s:is_available() then
M.client_source_map[client.id] = cmp.register_source('nvim_lsp', s)
end
end
end
-- unregister stopped/detached clients.
for client_id, source_id in pairs(M.client_source_map) do
if not allowed_clients[client_id] or allowed_clients[client_id]:is_stopped() then
cmp.unregister_source(source_id)
M.client_source_map[client_id] = nil
end
end
end
return M
|
