[nacltoons] Add Makefile for building lua bindings.

nacltoons/bindings/tolua_preload.lua

+--- Helper script for generating bindings with tolua++
+-- This file is based on the file of the same name which ships
+-- as part of cocos2dx.
+-- example usage:
+-- tolua++ -L tolua_preload.lua -o LuaCocos2d.cpp Cocos2d.pkg
+
+_is_functions = _is_functions or {}
+_to_functions = _to_functions or {}
+_push_functions = _push_functions or {}
+
+local CCObjectTypes = {
+    "CCPhysicsSprite",
+}
+
+-- register CCObject types
+for i = 1, #CCObjectTypes do
+    _push_functions[CCObjectTypes[i]] = "toluafix_pushusertype_ccobject"
+end
+
+-- register LUA_FUNCTION, LUA_TABLE, LUA_HANDLE type
+_to_functions["LUA_FUNCTION"] = "toluafix_ref_function"
+_is_functions["LUA_FUNCTION"] = "toluafix_isfunction"
+_to_functions["LUA_TABLE"] = "toluafix_totable"
+_is_functions["LUA_TABLE"] = "toluafix_istable"