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Diffstat (limited to 'runtime/lua/vim/lsp/rpc.lua')
-rw-r--r--runtime/lua/vim/lsp/rpc.lua14
1 files changed, 8 insertions, 6 deletions
diff --git a/runtime/lua/vim/lsp/rpc.lua b/runtime/lua/vim/lsp/rpc.lua
index 90f51dfc5a..1aa8326514 100644
--- a/runtime/lua/vim/lsp/rpc.lua
+++ b/runtime/lua/vim/lsp/rpc.lua
@@ -315,8 +315,10 @@ local function start(cmd, cmd_args, dispatchers, extra_spawn_params)
dispatchers = { dispatchers, 't', true };
}
- if not (vim.fn.executable(cmd) == 1) then
- error(string.format("The given command %q is not executable.", cmd))
+ if extra_spawn_params and extra_spawn_params.cwd then
+ assert(is_dir(extra_spawn_params.cwd), "cwd must be a directory")
+ elseif not (vim.fn.executable(cmd) == 1) then
+ error(string.format("The given command %q is not executable.", cmd))
end
if dispatchers then
local user_dispatchers = dispatchers
@@ -370,12 +372,12 @@ local function start(cmd, cmd_args, dispatchers, extra_spawn_params)
}
if extra_spawn_params then
spawn_params.cwd = extra_spawn_params.cwd
- if spawn_params.cwd then
- assert(is_dir(spawn_params.cwd), "cwd must be a directory")
- end
spawn_params.env = env_merge(extra_spawn_params.env)
end
handle, pid = uv.spawn(cmd, spawn_params, onexit)
+ if handle == nil then
+ error(string.format("start `%s` failed: %s", cmd, pid))
+ end
end
--@private
@@ -386,7 +388,7 @@ 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.
local function encode_and_send(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
schedule(function()
local encoded = assert(json_encode(payload))