1/*
2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25using System;
26using System.Collections.Generic;
27
28class TPointerBase {
29
30	/* obsolete
31	internal virtual TValue Get(TValue vp)
32	{
33		throw new Exception(
34			"cannot get values from this pointer");
35	}
36
37	internal virtual void Set(TValue vp, TValue nval)
38	{
39		throw new Exception(
40			"cannot set values to this pointer");
41	}
42	*/
43
44	internal virtual bool ToBool(TValue vp)
45	{
46		return true;
47	}
48
49	internal virtual void Execute(T0Comp ctx, CPU cpu)
50	{
51		throw new Exception("value is not an xt: " + ToString());
52	}
53
54	internal virtual string ToString(TValue vp)
55	{
56		return String.Format("{0}+{1}",
57			GetType().Name, vp.x);
58	}
59
60	internal virtual bool Equals(TPointerBase tp)
61	{
62		return this == tp;
63	}
64}
65