Add lua abstraction layer

Author: hkupty

lua/acid/init.lua

@@ -0,0 +1,23 @@
+-- luacheck: globals unpack vim
+local nvim = vim.api
+
+local indirection = {}
+local acid = {}
+
+acid.send = function(obj, handler)
+  local session = math.random(10000, 99999)
+
+  indirection[session] = handler
+
+  nvim.nvim_call_function("AcidSendNrepl", {
+      obj,
+      "LuaFn",
+      "require('acid').callback(" .. session .. ", _A)"
+    })
+end
+
+acid.callback = function(session, ret)
+  return indirection[session](ret)
+end
+
+return acid

rplugin/python3/acid/handlers/lua_fn.py

@@ -0,0 +1,19 @@
+from acid.handlers import BaseHandler
+from acid.nvim.log import error
+
+
+class Handler(BaseHandler):
+
+    name = "LuaFn"
+    priority = 0
+
+    def on_init(self):
+        self.lua_fn = ""
+
+    def configure(self, lua_fn, *args, **kwargs):
+        super().configure(*args, **kwargs)
+        self.lua_fn = lua_fn
+        return self
+
+    def on_handle(self, msg, *_):
+            self.nvim.funcs.luaeval(self.lua_fn, msg)