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annotate Jint.Runtime/VM/Frame.cs @ 0:e113095f1de0

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initial commit, proof of concept
author cin
date Wed, 23 Oct 2013 13:24:57 +0400
parents
children aced2ae9957f
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1 using System;
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2
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3 namespace Jint.Runtime.VM
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4 {
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5 public class Frame
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6 {
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7 BoxBase[] m_data;
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8 RuntimeContext m_runtimeContext;
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9
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10 public Frame (int size, RuntimeContext runtime)
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11 {
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12 if (size < 0)
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13 throw new ArgumentOutOfRangeException ("size");
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14 if (runtime == null)
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15 throw new ArgumentNullException ("runtime");
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16
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17 m_data = new BoxBase[size];
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18 m_runtimeContext = runtime;
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19 }
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20
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21 public RuntimeContext Runtime {
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22 get { return m_runtimeContext; }
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23 }
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24
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25 public T Get<T> (int index)
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26 {
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27 var bbox = m_data [index];
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28
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29 if (bbox == null)
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30 return default(T);
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31
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32 var box = bbox as IGetter<T>;
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33 if (box != null)
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34 return box.Get();
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35 else
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36 return bbox.Convert<T>();
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37 }
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38
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39 public void Set<T> (int index, T value)
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40 {
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41 var bbox = m_data [index];
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42 var box = bbox as ISetter<T>;
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43 if (box != null)
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44 box.Set (value);
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45 else
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46 m_data [index] = m_runtimeContext.BoxValue(value);
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47 }
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48
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49 public BoxBase GetBox(int index) {
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50 return m_data[index];
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51 }
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52
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53 public void SetBox(int index, BoxBase box) {
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54 m_data [index] = box;
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55 }
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56
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57 }
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58 }
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