xref: /freebsd/contrib/bearssl/T0/WordNative.cs (revision 8881d206f4e68b564c2c5f50fc717086fc3e827a)
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 
25 using System;
26 using System.Collections.Generic;
27 
28 /*
29  * Class for native words.
30  */
31 
32 class WordNative : Word {
33 
34 	/*
35 	 * A type for the native implementation: a method that takes a
36 	 * CPU as parameter, and returns nothing.
37 	 */
38 	internal delegate void NativeRun(CPU cpu);
39 
40 	NativeRun code;
41 
42 	internal WordNative(T0Comp owner, string name, NativeRun code)
43 		: base(owner, name)
44 	{
45 		this.code = code;
46 	}
47 
48 	internal WordNative(T0Comp owner, string name,
49 		SType stackEffect, NativeRun code)
50 		: this(owner, name, code)
51 	{
52 		StackEffect = stackEffect;
53 	}
54 
55 	internal override void Run(CPU cpu)
56 	{
57 		code(cpu);
58 	}
59 }
60