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local util = require 'common_lsp/util'
local api, validate, lsp = vim.api, vim.validate, vim.lsp
local M = {}
M.name = "gopls"
local default_config
default_config = {
name = M.name;
cmd = {"gopls"};
filetype = {"go"};
root_dir = util.root_pattern("go.mod", ".git");
log_level = lsp.protocol.MessageType.Warning;
settings = {};
}
local function setup_callbacks(config)
config.callbacks = config.callbacks or {}
config.callbacks["window/logMessage"] = function(err, method, params, client_id)
if params and params.type <= config.log_level then
lsp.builtin_callbacks[method](err, method, params, client_id)
end
end
config.callbacks["workspace/configuration"] = function(err, method, params, client_id)
if err then error(tostring(err)) end
if not params.items then
return {}
end
local result = {}
for _, item in ipairs(params.items) do
if item.section then
local value = util.lookup_section(config.settings, item.section) or vim.NIL
-- Uncomment this to debug.
-- print(string.format("config[%q] = %s", item.section, inspect(value)))
table.insert(result, value)
end
end
return result
end
end
-- A function to set up `gopls` easier.
--
-- Additionally, it sets up the following commands:
-- - SKELETON_SPOOKY_COMMAND: This does something SPOOKY.
--
-- {config} is the same as |vim.lsp.add_filetype_config()|, but with some
-- additions and changes:
--
-- {root_dir}
-- REQUIRED function(filename, bufnr) which is called on new candidate
-- buffers to attach to and returns either a root_dir or nil.
-- If a root_dir is returned, then this file will also be attached. You can
-- optionally use {filetype} to help pre-filter by filetype.
-- If a root_dir is returned which differs from any previously returned
-- root_dir, a new server will be spawned with that root_dir.
-- If nil is returned, the buffer is skipped.
-- See |common_lsp.util.search_ancestors()| and the functions which use it:
-- - |common_lsp.util.root_pattern(patterns...)| finds an ancestor which a
-- descendent which has one of the files in `patterns...`. This is equivalent
-- to coc.nvim's "rootPatterns"
-- - More specific utilities:
-- - |common_lsp.util.find_git_root()|
-- - |common_lsp.util.find_node_modules_root()|
-- - |common_lsp.util.find_package_json_root()|
--
-- Defaults to common_lsp.util.root_pattern("go.mod", ".git")
--
-- {name}
-- Defaults to "gopls"
--
-- {cmd}
-- Defaults to {"gopls"}
--
-- {filetype}
-- Defaults to {"go"}. This is optional and only serves to reduce the scope
-- of files to filter for {root_dir}.
--
-- {log_level}
-- controls the level of logs to show from build processes and other
-- window/logMessage events. By default it is set to
-- vim.lsp.protocol.MessageType.Warning instead of
-- vim.lsp.protocol.MessageType.Log.
--
-- {settings}
-- This is a table, and the keys are case sensitive.
-- Example: `settings = { }`
function M.setup(config)
validate {
root_dir = {config.root_dir, 'f'};
filetype = {config.filetype, 't', true};
}
local filetype = config.filetype or default_config.filetype
if filetype then
local filetypes
if type(filetype) == 'string' then
filetypes = { filetype }
else
filetypes = filetype
end
api.nvim_command(string.format(
"autocmd FileType %s lua require'common_lsp'[%q].manager.try_add()"
, table.concat(filetypes, ',')
, M.name
))
else
api.nvim_command(string.format(
"autocmd BufReadPost * lua require'common_lsp'[%q].manager.try_add()"
, M.name
))
end
local get_root_dir = config.root_dir or default_config.root_dir
M.manager = util.server_per_root_dir_manager(function(_root_dir)
local new_config = vim.tbl_extend("keep", config, default_config)
-- Deepcopy anything that is >1 level nested.
new_config.settings = vim.deepcopy(new_config.settings)
util.tbl_deep_extend(new_config.settings, default_config.settings)
new_config.capabilities = new_config.capabilities or lsp.protocol.make_client_capabilities()
util.tbl_deep_extend(new_config.capabilities, {
workspace = {
configuration = true;
}
})
setup_callbacks(new_config)
new_config.on_attach = util.add_hook_after(new_config.on_attach, function(client, bufnr)
if bufnr == api.nvim_get_current_buf() then
M._setup_buffer()
else
api.nvim_command(string.format(
"autocmd BufEnter <buffer=%d> ++once lua require'common_lsp/%s'._setup_buffer()",
M.name,
bufnr))
end
end)
return new_config
end)
function M.manager.try_add()
local root_dir = get_root_dir(api.nvim_buf_get_name(0), api.nvim_get_current_buf())
print(api.nvim_get_current_buf(), root_dir)
local id = M.manager.add(root_dir)
lsp.buf_attach_client(0, id)
end
end
-- Declare any commands here. You can use additional modifiers like "-range"
-- which will be added as command options. All of these commands are buffer
-- level by default.
M.commands = {
SKELETON_SPOOKY_COMMAND = {
function()
local bufnr = util.validate_bufnr(0)
print("SPOOKY COMMAND STUFF!", bufnr)
end;
};
}
function M._setup_buffer()
-- Create the module commands
util.create_module_commands(M.name, M.commands)
end
return M
-- vim:et ts=2 sw=2
|
