Mercurial > pub > Jint1

comparison Jint.Runtime/VM/Box.cs @ 4:1ae5b10f7a10

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Code cleanup, minor refactoring
author cin
date Sun, 27 Oct 2013 21:20:59 +0400
parents aced2ae9957f
children cb13da6e3349
comparison
equal deleted inserted replaced
3:aced2ae9957f 4:1ae5b10f7a10
3 using System.Linq; 3 using System.Linq;
4 using System.Text; 4 using System.Text;
5 using Jint.Runtime.VM.OpCodes; 5 using Jint.Runtime.VM.OpCodes;
6 6
7 namespace Jint.Runtime.VM { 7 namespace Jint.Runtime.VM {
8 class Box<T>: IBox, IGettter<T>, ISetter<T> { 8 class Box<T>: AbstractBox, IGettter<T>, ISetter<T> {
9 9
10 public T holdingValue; 10 public T holdingValue;
11 object[] m_impl; 11 object[] m_impl;
12 RuntimeContext m_runtime; 12 RuntimeContext m_runtime;
13 13
14 public Box(T value, RuntimeContext runtime) { 14 public Box(T value, RuntimeContext runtime): base(typeof(T)) {
15 if (runtime == null) 15 if (runtime == null)
16 throw new ArgumentNullException("runtime"); 16 throw new ArgumentNullException("runtime");
17 17
18 holdingValue = value; 18 holdingValue = value;
19 m_runtime = runtime; 19 m_runtime = runtime;
20 } 20 }
21 21
22 public object[] Impl { 22 object[] Impl {
23 get { 23 get {
24 if (m_impl == null) 24 if (m_impl == null)
25 m_impl = m_runtime.GetImpl(typeof(T)); 25 m_impl = m_runtime.GetImpl(typeof(T));
26 return m_impl; 26 return m_impl;
27 } 27 }
28 }
29
30 public Type HoldingType {
31 get { return typeof(T); }
32 }
33
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 } 28 }
38 29
39 public T Get() { 30 public T Get() {
40 return holdingValue; 31 return holdingValue;
41 } 32 }
42 33
43 public void Set(T value) { 34 public void Set(T value) {
44 holdingValue = value; 35 holdingValue = value;
45 } 36 }
37
38 public override void InvokeBinaryOperation(Codes code, int arg2, int dest, Frame frame) {
39 var op = (BinaryOperation<T>)Impl[(int)code];
40 frame.SetValue(dest, op(holdingValue, frame.GetValue<T>(arg2)));
41 }
42
43 public override void InvokeUnaryOperation(Codes code, int dest, Frame frame) {
44 var op = (UnaryOperation<T>)Impl[(int)code];
45 frame.SetValue(dest, op(holdingValue));
46 }
47
48 public override void InvokeCompareOperation(int arg2, int dest, Frame frame) {
49 var op = (CompareOperation<T>)Impl[(int)Codes.Cmp];
50 frame.SetValue(dest, op(holdingValue, frame.GetValue<T>(arg2)));
51 }
52
53 public override void InvokeEqualityOperation(int arg2, int dest, Frame frame) {
54 var op = (EqualityOperation<T>)Impl[(int)Codes.Cmp];
55 frame.SetValue(dest, op(holdingValue, frame.GetValue<T>(arg2)));
56 }
46 } 57 }
47 } 58 }