示例#1
0
        private StkId NewTableKey(ref TValue k)
        {
            if (k.TtIsNil())
            {
                L.G_RunError("table index is nil");
            }

            if (k.TtIsNumber() && System.Double.IsNaN(k.NValue))
            {
                L.G_RunError("table index is NaN");
            }

            var mp = GetHashNode(ref k);

            // if main position is taken
            if (!mp.Val.V.TtIsNil() || mp == DummyNode)
            {
                var n = GetFreePos();
                if (n == null)
                {
                    Rehash(ref k);
                    var cell = Get(ref k);
                    if (cell != TheNilValue)
                    {
                        return(cell);
                    }

                    return(NewTableKey(ref k));
                }

                Utl.Assert(n != DummyNode);
                var othern = GetHashNode(ref mp.Key.V);
                // is colliding node out of its main position?
                if (othern != mp)
                {
                    while (othern.Next != mp)
                    {
                        othern = othern.Next;
                    }

                    othern.Next = n;
                    n.CopyFrom(mp);
                    mp.Next = null;
                    mp.Val.V.SetNilValue();
                }
                // colliding node is in its own main position
                else
                {
                    n.Next  = mp.Next;
                    mp.Next = n;
                    mp      = n;
                }
            }

            mp.Key.V.SetObj(ref k);
            Utl.Assert(mp.Val.V.TtIsNil());
            return(mp.Val);
        }
示例#2
0
        private bool IsFalse(ref TValue v)
        {
            if (v.TtIsNil())
            {
                return(true);
            }

            if ((v.TtIsBoolean() && v.BValue() == false))
            {
                return(true);
            }

            return(false);
        }
示例#3
0
        public T GetValue <T>(TValue v)
        {
            var t = typeof(T);

            if (t.IsEnum)
            {
                t = Enum.GetUnderlyingType(t);
            }

            switch ((LuaType)v.Tt)
            {
            case LuaType.LUA_TNIL:
                return(default(T));

            case LuaType.LUA_TBOOLEAN:
                bool b = !v.TtIsNil() && (!v.TtIsBoolean() || v.BValue());
                return((T)(object)b);

            case LuaType.LUA_TLIGHTUSERDATA:
                return((T)v.OValue);

            case LuaType.LUA_TNUMBER:
                if (t == typeof(object) &&
                    v.NValue >= int.MinValue && v.NValue <= int.MaxValue &&
                    v.NValue == (int)v.NValue)
                {
                    t = typeof(int);
                }
                return((T)Convert.ChangeType(v.NValue, t));

            case LuaType.LUA_TSTRING:
                return((T)v.OValue);

            case LuaType.LUA_TTABLE:
            case LuaType.LUA_TFUNCTION:
            case LuaType.LUA_TTHREAD:
                return((T)v.OValue);

            case LuaType.LUA_TUINT64:
                return((T)Convert.ChangeType(v.UInt64Value, t));

            default:
                return(default(T));
            }
        }
示例#4
0
        private StkId NewTableKey(ref TValue k)
        {
            if(k.TtIsNil()) { L.G_RunError("table index is nil"); }

            if(k.TtIsNumber() && System.Double.IsNaN(k.NValue))
                { L.G_RunError("table index is NaN"); }

            var mp = GetHashNode(ref k);

            // if main position is taken
            if(!mp.Val.V.TtIsNil() || mp == DummyNode) {
                var n = GetFreePos();
                if(n == null) {
                    Rehash(ref k);
                    var cell = Get(ref k);
                    if(cell != TheNilValue) { return cell; }
                    return NewTableKey(ref k);
                }

                Utl.Assert(n != DummyNode);
                var othern = GetHashNode(ref mp.Key.V);
                // is colliding node out of its main position?
                if(othern != mp) {
                    while(othern.Next != mp) { othern = othern.Next; }
                    othern.Next = n;
                    n.CopyFrom(mp);
                    mp.Next = null;
                    mp.Val.V.SetNilValue();
                }
                // colliding node is in its own main position
                else {
                    n.Next = mp.Next;
                    mp.Next = n;
                    mp = n;
                }
            }

            mp.Key.V.SetObj(ref k);
            Utl.Assert(mp.Val.V.TtIsNil());
            return mp.Val;
        }
示例#5
0
        private bool IsFalse(ref TValue v)
        {
            if( v.TtIsNil() )
                return true;

            if((v.TtIsBoolean() && v.BValue() == false))
                return true;

            return false;
        }