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feat: Allow incremental sync & lsp flags (#13371)

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This commit is contained in:
TJ DeVries
2020-12-08 21:09:33 -05:00
committed by GitHub
parent 4383c0f952
commit 08ec36efaf
5 changed files with 70 additions and 20 deletions
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21
runtime/lua/vim/lsp.lua
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@@ -1,3 +1,5 @@
local if_nil = vim.F.if_nil
local default_handlers = require 'vim.lsp.handlers'
local log = require 'vim.lsp.log'
local lsp_rpc = require 'vim.lsp.rpc'
@@ -226,6 +228,7 @@ local function validate_client_config(config)
on_init = { config.on_init, "f", true };
before_init = { config.before_init, "f", true };
offset_encoding = { config.offset_encoding, "s", true };
flags = { config.flags, "t", true };
}
-- TODO(remove-callbacks)
@@ -434,6 +437,17 @@ end
---
--@param trace: "off" | "messages" | "verbose" | nil passed directly to the language
--- server in the initialize request. Invalid/empty values will default to "off"
--@param flags: A table with flags for the client. The current (experimental) flags are:
--- - allow_incremental_sync (bool, default false): Allow using on_line callbacks for lsp
---
--- <pre>
--- -- In attach function for the client, you can do:
--- local custom_attach = function(client)
--- if client.config.flags then
--- client.config.flags.allow_incremental_sync = true
--- end
--- end
--- </pre>
---
--@returns Client id. |vim.lsp.get_client_by_id()| Note: client may not be
--- fully initialized. Use `on_init` to do any actions once
@@ -442,6 +456,8 @@ function lsp.start_client(config)
local cleaned_config = validate_client_config(config)
local cmd, cmd_args, offset_encoding = cleaned_config.cmd, cleaned_config.cmd_args, cleaned_config.offset_encoding
config.flags = config.flags or {}
local client_id = next_client_id()
-- TODO(remove-callbacks)
@@ -799,6 +815,7 @@ do
local size_index = encoding_index[client.offset_encoding]
local length = select(size_index, old_byte_size, old_utf16_size, old_utf32_size)
local lines = nvim_buf_get_lines(bufnr, firstline, new_lastline, true)
-- This is necessary because we are specifying the full line including the
-- newline in range. Therefore, we must replace the newline as well.
if #lines > 0 then
@@ -820,6 +837,8 @@ do
end)
local uri = vim.uri_from_bufnr(bufnr)
for_each_buffer_client(bufnr, function(client, _client_id)
local allow_incremental_sync = if_nil(client.config.flags.allow_incremental_sync, false)
local text_document_did_change = client.resolved_capabilities.text_document_did_change
local changes
if text_document_did_change == protocol.TextDocumentSyncKind.None then
@@ -830,7 +849,7 @@ do
-- is no way to specify the sync capability by the client.
-- See https://github.com/palantir/python-language-server/commit/cfd6675bc10d5e8dbc50fc50f90e4a37b7178821#diff-f68667852a14e9f761f6ebf07ba02fc8 for an example of pyls handling both.
--]=]
elseif true or text_document_did_change == protocol.TextDocumentSyncKind.Full then
elseif not allow_incremental_sync or text_document_did_change == protocol.TextDocumentSyncKind.Full then
changes = full_changes(client)
elseif text_document_did_change == protocol.TextDocumentSyncKind.Incremental then
changes = incremental_changes(client)