public static bool CheckType(IntPtr ptr, int p, out LuaDelegate f)
{
LuaState state = LuaState.Get(ptr);
p = LuaNativeMethods.lua_absindex(ptr, p);
LuaNativeMethods.luaL_checktype(ptr, p, LuaTypes.TYPE_FUNCTION);
LuaNativeMethods.lua_getglobal(ptr, DelgateTable);
LuaNativeMethods.lua_pushvalue(ptr, p);
LuaNativeMethods.lua_gettable(ptr, -2); // find function in __LuaDelegate table
if (LuaNativeMethods.lua_isnil(ptr, -1))
{ // not found
LuaNativeMethods.lua_pop(ptr, 1); // pop nil
f = NewDelegate(ptr, p);
}
else
{
int fref = LuaNativeMethods.lua_tointeger(ptr, -1);
LuaNativeMethods.lua_pop(ptr, 1); // pop ref value;
f = state.DelegateMap[fref];
if (f == null)
{
f = NewDelegate(ptr, p);
}
}
LuaNativeMethods.lua_pop(ptr, 1); // pop DelgateTable
return(true);
}
public static int MakeArray(IntPtr ptr)
{
try
{
Type t;
CheckType(ptr, 1, out t);
LuaNativeMethods.luaL_checktype(ptr, 2, LuaTypes.TYPE_TABLE);
int n = LuaNativeMethods.lua_rawlen(ptr, 2);
Array array = Array.CreateInstance(t, n);
for (int k = 0; k < n; k++)
{
LuaNativeMethods.lua_rawgeti(ptr, 2, k + 1);
object obj = LuaObject.CheckVar(ptr, -1);
array.SetValue(LuaObject.ChangeType(obj, t), k);
LuaNativeMethods.lua_pop(ptr, 1);
}
LuaObject.PushValue(ptr, true);
LuaObject.PushValue(ptr, array);
return(2);
}
catch (Exception e)
{
return(Error(ptr, e));
}
}
public static bool CheckArray(IntPtr ptr, int p, out char[] pars)
{
LuaNativeMethods.luaL_checktype(ptr, p, LuaTypes.TYPE_STRING);
string s;
CheckType(ptr, p, out s);
pars = s.ToCharArray();
return(true);
}
public static bool CheckType(IntPtr ptr, int p, out LuaTable t)
{
if (LuaNativeMethods.lua_isnil(ptr, p))
{
t = null;
return(true);
}
LuaNativeMethods.luaL_checktype(ptr, p, LuaTypes.TYPE_TABLE);
LuaNativeMethods.lua_pushvalue(ptr, p);
int fref = LuaNativeMethods.luaL_ref(ptr, LuaIndexes.LUARegistryIndex);
t = new LuaTable(ptr, fref);
return(true);
}
public static bool CheckType(IntPtr ptr, int p, out LuaFunction f)
{
if (LuaNativeMethods.lua_isnil(ptr, p))
{
f = null;
return(true);
}
LuaNativeMethods.luaL_checktype(ptr, p, LuaTypes.TYPE_FUNCTION);
LuaNativeMethods.lua_pushvalue(ptr, p);
int fref = LuaNativeMethods.luaL_ref(ptr, LuaIndexes.LUARegistryIndex);
f = new LuaFunction(ptr, fref);
return(true);
}
public static int ProtectedCall(IntPtr ptr)
{
int status;
if (LuaNativeMethods.lua_type(ptr, 1) != LuaTypes.TYPE_FUNCTION)
{
return(LuaObject.Error(ptr, "arg 1 expect function"));
}
LuaNativeMethods.luaL_checktype(ptr, 1, LuaTypes.TYPE_FUNCTION);
status = LuaNativeMethods.lua_pcall(ptr, LuaNativeMethods.lua_gettop(ptr) - 1, LuaNativeMethods.LUAMultRet, 0);
LuaNativeMethods.lua_pushboolean(ptr, status == 0);
LuaNativeMethods.lua_insert(ptr, 1);
return(LuaNativeMethods.lua_gettop(ptr)); /* return status + all results */
}
public static int Import(IntPtr ptr)
{
try
{
LuaNativeMethods.luaL_checktype(ptr, 1, LuaTypes.TYPE_STRING);
string str = LuaNativeMethods.lua_tostring(ptr, 1);
string[] ns = str.Split('.');
LuaNativeMethods.lua_pushglobaltable(ptr);
for (int n = 0; n < ns.Length; n++)
{
LuaNativeMethods.lua_getfield(ptr, -1, ns[n]);
if (!LuaNativeMethods.lua_istable(ptr, -1))
{
return(LuaObject.Error(ptr, "expect {0} is type table", ns));
}
LuaNativeMethods.lua_remove(ptr, -2);
}
LuaNativeMethods.lua_pushnil(ptr);
while (LuaNativeMethods.lua_next(ptr, -2) != 0)
{
string key = LuaNativeMethods.lua_tostring(ptr, -2);
LuaNativeMethods.lua_getglobal(ptr, key);
if (!LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_pop(ptr, 1);
return(LuaObject.Error(ptr, "{0} had existed, import can't overload it.", key));
}
LuaNativeMethods.lua_pop(ptr, 1);
LuaNativeMethods.lua_setglobal(ptr, key);
}
LuaNativeMethods.lua_pop(ptr, 1);
LuaObject.PushValue(ptr, true);
return(1);
}
catch (Exception e)
{
return(LuaObject.Error(ptr, e));
}
}
public static bool CheckType(IntPtr ptr, int p, out bool v)
{
LuaNativeMethods.luaL_checktype(ptr, p, LuaTypes.TYPE_BOOLEAN);
v = LuaNativeMethods.lua_toboolean(ptr, p);
return(true);
}
