Made headers compatible with C++.
[BearSSL] / T0 / OpcodeJumpIf.cs
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 class OpcodeJumpIf : OpcodeJump {
29
30 internal OpcodeJumpIf() : base()
31 {
32 }
33
34 internal OpcodeJumpIf(int disp) : base(disp)
35 {
36 }
37
38 internal override void Run(CPU cpu)
39 {
40 TValue v = cpu.Pop();
41 if (v.Bool) {
42 base.Run(cpu);
43 }
44 }
45
46 internal override int StackAction {
47 get {
48 return -1;
49 }
50 }
51
52 internal override CodeElement ToCodeElement()
53 {
54 return new CodeElementJump(5);
55 }
56
57 public override string ToString()
58 {
59 if (JumpDisp == Int32.MinValue) {
60 return "jumpif UNRESOLVED";
61 } else {
62 return "jumpif disp=" + JumpDisp;
63 }
64 }
65 }