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comparison Jint.Runtime/VM/Box.cs @ 3:aced2ae9957f

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temp commit, new virtual machine concept (strongly typed version of VM2).
author cin
date Sun, 27 Oct 2013 17:23:25 +0400
parents e113095f1de0
children 1ae5b10f7a10
comparison
equal deleted inserted replaced
2:4aed85a1f558 3:aced2ae9957f
1 using System; 1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using Jint.Runtime.VM.OpCodes;
2 6
3 namespace Jint.Runtime.VM 7 namespace Jint.Runtime.VM {
4 { 8 class Box<T>: IBox, IGettter<T>, ISetter<T> {
5 public class Box<T>: BoxBase, IGetter<T>, ISetter<T>
6 {
7 T m_value;
8 IBinder<T> m_binder;
9 9
10 public Box(T value,IBinder<T> binder) { 10 public T holdingValue;
11 m_value = value; 11 object[] m_impl;
12 m_binder = binder; 12 RuntimeContext m_runtime;
13 }
14 13
15 public override bool IsReference { 14 public Box(T value, RuntimeContext runtime) {
16 get { 15 if (runtime == null)
17 return true; 16 throw new ArgumentNullException("runtime");
18 }
19 }
20 17
21 public override Type HoldingType 18 holdingValue = value;
22 { 19 m_runtime = runtime;
20 }
21
22 public object[] Impl {
23 get {
24 if (m_impl == null)
25 m_impl = m_runtime.GetImpl(typeof(T));
26 return m_impl;
27 }
28 }
29
30 public Type HoldingType {
23 get { return typeof(T); } 31 get { return typeof(T); }
24 } 32 }
25 33
26 #region IGetter implementation 34 public void InvokeBinaryOperation(Codes code, int arg2, int dest, Frame frame) {
35 var op = (BinaryOperation<T>)Impl[(int)code];
36 frame.SetValue(dest, op(holdingValue, frame.GetValue<T>(arg2)));
37 }
27 38
28 public T Get () 39 public T Get() {
29 { 40 return holdingValue;
30 return m_value; 41 }
31 }
32 42
33 #endregion 43 public void Set(T value) {
34 44 holdingValue = value;
35 #region ISetter implementation 45 }
36 46 }
37 public void Set (T value)
38 {
39 m_value = value;
40 }
41
42 #endregion
43
44 public override T2 Convert<T2> ()
45 {
46 if (m_binder == null)
47 throw new ArgumentNullException ();
48 return m_binder.Convert<T2> (m_value);
49 }
50
51 public override void Invoke(IBinaryOperation op, BoxBase arg2,Frame frame) {
52 op.Invoke (m_value, ((IGetter<T>)arg2).Get (), m_binder, frame);
53 }
54 }
55 } 47 }
56