Mercurial > pub > Jint1
comparison Jint.Runtime/VM/OpCodes/BinaryOperation.cs @ 0:e113095f1de0
initial commit, proof of concept
| author | cin |
|---|---|
| date | Wed, 23 Oct 2013 13:24:57 +0400 |
| parents | |
| children |
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| -1:000000000000 | 0:e113095f1de0 |
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| 1 using System; | |
| 2 | |
| 3 namespace Jint.Runtime.VM | |
| 4 { | |
| 5 public abstract class BinaryOperation: IBinaryOperation | |
| 6 { | |
| 7 protected int m_arg1; | |
| 8 protected int m_arg2; | |
| 9 protected int m_res; | |
| 10 | |
| 11 protected BinaryOperation(int arg1, int arg2, int res) { | |
| 12 m_arg1 = arg1; | |
| 13 m_arg2 = arg2; | |
| 14 m_res = res; | |
| 15 } | |
| 16 | |
| 17 public virtual void Fallback(BoxBase arg1, BoxBase arg2, Frame frame) { | |
| 18 throw new InvalidOperationException ("Unable to perform a binary operation on the specified arguments"); | |
| 19 } | |
| 20 | |
| 21 #region IBinaryOperation implementation | |
| 22 | |
| 23 public abstract void Invoke<T> (T arg1, T arg2, IBinder<T> binder, Frame frame); | |
| 24 | |
| 25 #endregion | |
| 26 | |
| 27 #region IOperation implementation | |
| 28 | |
| 29 public void Invoke (Frame frame) | |
| 30 { | |
| 31 var box1 = frame.GetBox (m_arg1); | |
| 32 var box2 = frame.GetBox (m_arg2); | |
| 33 | |
| 34 if (box1 != null && box2 != null && box1.HoldingType == box2.HoldingType) { | |
| 35 box1.Invoke (this, box2, frame); | |
| 36 } else { | |
| 37 Fallback (box1, box2, frame); | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 #endregion | |
| 42 } | |
| 43 } | |
| 44 |