public static bool CheckType(IntPtr ptr, int p, out Type t)
{
string tname = null;
LuaTypes lt = LuaNativeMethods.lua_type(ptr, p);
switch (lt)
{
case LuaTypes.TYPE_USERDATA:
object o = CheckObj(ptr, p);
if (o.GetType() != monoType)
{
throw new Exception(string.Format("{0} expect Type, got {1}", p, o.GetType().Name));
}
t = (Type)o;
return(true);
case LuaTypes.TYPE_TABLE:
LuaNativeMethods.lua_pushstring(ptr, "__type");
LuaNativeMethods.lua_rawget(ptr, p);
if (!LuaNativeMethods.lua_isnil(ptr, -1))
{
t = (Type)CheckObj(ptr, -1);
LuaNativeMethods.lua_pop(ptr, 1);
return(true);
}
else
{
LuaNativeMethods.lua_pushstring(ptr, "__fullname");
LuaNativeMethods.lua_rawget(ptr, p);
tname = LuaNativeMethods.lua_tostring(ptr, -1);
LuaNativeMethods.lua_pop(ptr, 2);
}
break;
case LuaTypes.TYPE_STRING:
CheckType(ptr, p, out tname);
break;
}
if (tname == null)
{
throw new Exception("expect string or type table");
}
t = LuaObject.FindType(tname);
if (t != null && lt == LuaTypes.TYPE_TABLE)
{
LuaNativeMethods.lua_pushstring(ptr, "__type");
PushLightObject(ptr, t);
LuaNativeMethods.lua_rawset(ptr, p);
}
return(t != null);
}
private static void CompleteInstanceMeta(IntPtr ptr, Type self)
{
LuaNativeMethods.lua_pushstring(ptr, "__typename");
LuaNativeMethods.lua_pushstring(ptr, self.Name);
LuaNativeMethods.lua_rawset(ptr, -3);
// for instance
indexFunction.Push(ptr);
LuaNativeMethods.lua_setfield(ptr, -2, "__index");
newIndexFunction.Push(ptr);
LuaNativeMethods.lua_setfield(ptr, -2, "__newindex");
PushValue(ptr, luaAdd);
LuaNativeMethods.lua_setfield(ptr, -2, "__add");
PushValue(ptr, luaSub);
LuaNativeMethods.lua_setfield(ptr, -2, "__sub");
PushValue(ptr, luaMul);
LuaNativeMethods.lua_setfield(ptr, -2, "__mul");
PushValue(ptr, luaDiv);
LuaNativeMethods.lua_setfield(ptr, -2, "__div");
PushValue(ptr, luaUnm);
LuaNativeMethods.lua_setfield(ptr, -2, "__unm");
PushValue(ptr, luaEq);
LuaNativeMethods.lua_setfield(ptr, -2, "__eq");
PushValue(ptr, luaLe);
LuaNativeMethods.lua_setfield(ptr, -2, "__le");
PushValue(ptr, luaLt);
LuaNativeMethods.lua_setfield(ptr, -2, "__lt");
PushValue(ptr, luaToString);
LuaNativeMethods.lua_setfield(ptr, -2, "__tostring");
LuaNativeMethods.lua_pushcfunction(ptr, LuaGC);
LuaNativeMethods.lua_setfield(ptr, -2, "__gc");
if (self.IsValueType && IsImplByLua(self))
{
LuaNativeMethods.lua_pushvalue(ptr, -1);
LuaNativeMethods.lua_setglobal(ptr, self.FullName + ".Instance");
}
LuaNativeMethods.lua_setfield(ptr, LuaIndexes.LUARegistryIndex, ObjectCache.GetAQName(self));
}
public static void CreateTypeMetatable(IntPtr ptr, LuaCSFunction con, Type self, Type parent)
{
CheckMethodValid(con);
// set parent
bool parentSet = false;
LuaNativeMethods.lua_pushstring(ptr, "__parent");
while (parent != null && parent != typeof(object) && parent != typeof(ValueType))
{
LuaNativeMethods.luaL_getmetatable(ptr, ObjectCache.GetAQName(parent));
// if parentType is not exported to lua
if (LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_pop(ptr, 1);
parent = parent.BaseType;
}
else
{
LuaNativeMethods.lua_rawset(ptr, -3);
LuaNativeMethods.lua_pushstring(ptr, "__parent");
LuaNativeMethods.luaL_getmetatable(ptr, parent.FullName);
LuaNativeMethods.lua_rawset(ptr, -4);
parentSet = true;
break;
}
}
if (!parentSet)
{
LuaNativeMethods.luaL_getmetatable(ptr, "__luabaseobject");
LuaNativeMethods.lua_rawset(ptr, -3);
}
CompleteInstanceMeta(ptr, self);
CompleteTypeMeta(ptr, con, self);
LuaNativeMethods.lua_pop(ptr, 1); // pop type Table
}
public static void NewTypeTable(IntPtr ptr, string name)
{
string[] subt = name.Split('.');
LuaNativeMethods.lua_pushglobaltable(ptr);
foreach (string t in subt)
{
LuaNativeMethods.lua_pushstring(ptr, t);
LuaNativeMethods.lua_rawget(ptr, -2);
if (LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_pop(ptr, 1);
LuaNativeMethods.lua_createtable(ptr, 0, 0);
LuaNativeMethods.lua_pushstring(ptr, t);
LuaNativeMethods.lua_pushvalue(ptr, -2);
LuaNativeMethods.lua_rawset(ptr, -4);
}
LuaNativeMethods.lua_remove(ptr, -2);
}
}
