/*
* Pushes the object into the Lua stack according to its type.
*/
internal void push(LuaCore.lua_State luaState, object o)
{
if (o.IsNull())
{
LuaLib.lua_pushnil(luaState);
}
else if (o is sbyte || o is byte || o is short || o is ushort ||
o is int || o is uint || o is long || o is float ||
o is ulong || o is decimal || o is double)
{
double d = Convert.ToDouble(o);
LuaLib.lua_pushnumber(luaState, d);
}
else if (o is char)
{
double d = (char)o;
LuaLib.lua_pushnumber(luaState, d);
}
else if (o is string)
{
string str = (string)o;
LuaLib.lua_pushstring(luaState, str);
}
else if (o is bool)
{
bool b = (bool)o;
LuaLib.lua_pushboolean(luaState, b);
}
else if (IsILua(o))
{
(((ILuaGeneratedType)o).__luaInterface_getLuaTable()).push(luaState);
}
else if (o is LuaTable)
{
((LuaTable)o).push(luaState);
}
else if (o is LuaCore.lua_CFunction)
{
pushFunction(luaState, (LuaCore.lua_CFunction)o);
}
else if (o is LuaFunction)
{
((LuaFunction)o).push(luaState);
}
else
{
pushObject(luaState, o, "luaNet_metatable");
}
}
/*
* Pushes a new object into the Lua stack with the provided
* metatable
*/
private void pushNewObject(LuaCore.lua_State luaState, object o, int index, string metatable)
{
if (metatable == "luaNet_metatable")
{
// Gets or creates the metatable for the object's type
LuaLib.luaL_getmetatable(luaState, o.GetType().AssemblyQualifiedName);
if (LuaLib.lua_isnil(luaState, -1))
{
LuaLib.lua_settop(luaState, -2);
LuaLib.luaL_newmetatable(luaState, o.GetType().AssemblyQualifiedName);
LuaLib.lua_pushstring(luaState, "cache");
LuaLib.lua_newtable(luaState);
LuaLib.lua_rawset(luaState, -3);
LuaLib.lua_pushlightuserdata(luaState, LuaLib.luanet_gettag());
LuaLib.lua_pushnumber(luaState, 1);
LuaLib.lua_rawset(luaState, -3);
LuaLib.lua_pushstring(luaState, "__index");
LuaLib.lua_pushstring(luaState, "luaNet_indexfunction");
LuaLib.lua_rawget(luaState, (int)LuaIndexes.Registry);
LuaLib.lua_rawset(luaState, -3);
LuaLib.lua_pushstring(luaState, "__gc");
LuaLib.lua_pushstdcallcfunction(luaState, metaFunctions.gcFunction);
LuaLib.lua_rawset(luaState, -3);
LuaLib.lua_pushstring(luaState, "__tostring");
LuaLib.lua_pushstdcallcfunction(luaState, metaFunctions.toStringFunction);
LuaLib.lua_rawset(luaState, -3);
LuaLib.lua_pushstring(luaState, "__newindex");
LuaLib.lua_pushstdcallcfunction(luaState, metaFunctions.newindexFunction);
LuaLib.lua_rawset(luaState, -3);
}
}
else
{
LuaLib.luaL_getmetatable(luaState, metatable);
}
// Stores the object index in the Lua list and pushes the
// index into the Lua stack
LuaLib.luaL_getmetatable(luaState, "luaNet_objects");
LuaLib.luanet_newudata(luaState, index);
LuaLib.lua_pushvalue(luaState, -3);
LuaLib.lua_remove(luaState, -4);
LuaLib.lua_setmetatable(luaState, -2);
LuaLib.lua_pushvalue(luaState, -1);
LuaLib.lua_rawseti(luaState, -3, index);
LuaLib.lua_remove(luaState, -2);
}