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fix: show error when language server start fails and prevent future requests

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This commit is contained in:
David Zhang 2021-02-26 17:24:18 +08:00
parent 0c7610cf9d
commit 365c353c9a
1 changed files with 4 additions and 1 deletions
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5
runtime/lua/vim/lsp/rpc.lua
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@ -376,6 +376,9 @@ local function start(cmd, cmd_args, dispatchers, extra_spawn_params)
spawn_params.env = env_merge(extra_spawn_params.env) spawn_params.env = env_merge(extra_spawn_params.env)
end end
handle, pid = uv.spawn(cmd, spawn_params, onexit) handle, pid = uv.spawn(cmd, spawn_params, onexit)
if handle == nil then
error(string.format("start `%s` failed: %s", cmd, pid))
end
end end
--@private --@private
@ -386,7 +389,7 @@ local function start(cmd, cmd_args, dispatchers, extra_spawn_params)
--@returns true if the payload could be scheduled, false if the main event-loop is in the process of closing. --@returns true if the payload could be scheduled, false if the main event-loop is in the process of closing.
local function encode_and_send(payload) local function encode_and_send(payload)
local _ = log.debug() and log.debug("rpc.send.payload", payload) local _ = log.debug() and log.debug("rpc.send.payload", payload)
if handle:is_closing() then return false end if handle == nil or handle:is_closing() then return false end
-- TODO(ashkan) remove this once we have a Lua json_encode -- TODO(ashkan) remove this once we have a Lua json_encode
schedule(function() schedule(function()
local encoded = assert(json_encode(payload)) local encoded = assert(json_encode(payload))