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annotate Jint.Runtime/Main.cs @ 5:cb13da6e3349

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simple loop test
author cin
date Mon, 28 Oct 2013 00:49:15 +0400
parents aced2ae9957f
children
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1 using System;
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2 using Jint.Runtime.VM;
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3
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4 namespace Jint.Runtime
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5 {
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6 using VM;
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7 using System.IO;
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8 using Jint.Runtime.VM.OpCodes;
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9 class MainClass
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10 {
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11 public static void Main(string[] args)
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12 {
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13 RuntimeContext runtime = new RuntimeContext();
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14 runtime.DefineBinaryOperation<int>(Codes.Add, (x, y) => x + y);
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15 runtime.DefineCompareOperation<int>((x, y) => x.CompareTo(y));
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16
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17 var frame = new Frame(5,runtime);
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18 frame.SetValue(1, 10000000);
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19 frame.SetValue(2,0);
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20 frame.SetValue(3,1);
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21
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22
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23 var code = new LteCmp(2, 1, 4);
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24 var body = new BinaryOp(Codes.Add, 2, 3, 2);
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25 body.Chain(code);
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26 code.Chain(
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27 new ConditionOp(
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28 4,
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29 body,
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30 null
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31 )
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32 );
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35 var t = Environment.TickCount;
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36
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37 /*
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38 * mov r1, 10 000 000
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39 * mov r2, 0
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40 * mov r3, 1
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41 * lte r2, r1, r4
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42 * cmp:
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43 * test r4 { success => body, fail => end }
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44 * body:
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45 * add r2,r3,r2
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46 * goto cmp
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47 * end:
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48 */
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49
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50 for (IInstruction op = code; op != null; op = op.Invoke(frame))
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51 ;
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52
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53 Console.WriteLine ("vm: {0}, int {1} ms", frame.GetConverted<int>(2), Environment.TickCount - t );
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54
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55 t = Environment.TickCount;
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56
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57 object count = 0, inc = 1, max = 10000000;
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58
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59 while(Compare(count,max) <= 0)
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60 count = Add(count,inc);
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61
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62 Console.WriteLine("native: {0}, int {1} ms", frame.GetValue<int>(2), Environment.TickCount - t);
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64 }
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65
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66 public static int Compare(object arg1, object arg2) {
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67 return ((int)arg1).CompareTo((int)arg2);
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68 }
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70 public static object Add(object arg1, object arg2) {
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71 return (int)arg1 + (int)arg2;
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72 }
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73 }
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74 }