Mercurial Hosting > luan
annotate core/src/luan/LuanState.java @ 483:0db144c98564
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 11 May 2015 21:08:33 -0600 |
parents | 5d4a78c93383 |
children | d3183a330ff5 |
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48
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1 package luan; |
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2 |
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3 import java.util.List; |
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4 import java.util.ArrayList; |
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5 import java.util.Map; |
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6 import java.util.HashMap; |
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7 import luan.impl.LuanCompiler; |
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8 import luan.modules.BasicLuan; |
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9 |
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10 |
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11 public abstract class LuanState implements DeepCloneable { |
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12 |
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13 final List<StackTraceElement> stackTrace = new ArrayList<StackTraceElement>(); |
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14 |
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15 private Map registry; |
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17 protected LuanState() { |
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18 registry = new HashMap(); |
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19 } |
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21 protected LuanState(LuanState luan) {} |
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22 |
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23 @Override public void deepenClone(DeepCloneable clone,DeepCloner cloner) { |
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24 ((LuanState)clone).registry = cloner.deepClone(registry); |
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25 } |
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26 |
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27 public abstract LuanTable currentEnvironment(); |
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28 public abstract LuanSource currentSource(); |
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29 |
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30 public final Map registry() { |
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31 return registry; |
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32 } |
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33 |
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34 public static LuanState newInstance() { |
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35 return LuanCompiler.newLuanState(); |
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36 } |
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37 |
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38 public final Object eval(String cmd) throws LuanException { |
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39 return eval(cmd,new LuanTable()); |
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40 } |
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41 |
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42 public final Object eval(String cmd,LuanTable env) throws LuanException { |
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43 LuanFunction fn = BasicLuan.load(this,cmd,"eval",env,true); |
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44 return call(fn); |
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45 } |
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47 public final LuanBit bit(LuanElement el) { |
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48 return new LuanBit(this,el); |
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49 } |
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51 // convenience methods |
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54 |
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55 public LuanException exception(Object msg) throws LuanException { |
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56 return JAVA.exception(msg); |
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57 } |
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58 |
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59 public Object call(LuanFunction fn) throws LuanException { |
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60 return call(fn,null,LuanFunction.NOTHING); |
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61 } |
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62 |
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63 public Object call(LuanFunction fn,String fnName) throws LuanException { |
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64 return call(fn,fnName,LuanFunction.NOTHING); |
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65 } |
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66 |
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67 public Object call(LuanFunction fn,Object[] args) throws LuanException { |
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68 return call(fn,null,args); |
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69 } |
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71 public Object call(LuanFunction fn,String fnName,Object[] args) throws LuanException { |
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72 return JAVA.call(fn,fnName,args); |
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73 } |
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74 |
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75 public Boolean checkBoolean(Object obj) throws LuanException { |
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76 return JAVA.checkBoolean(obj); |
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77 } |
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78 |
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79 public String checkString(Object obj) throws LuanException { |
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80 return JAVA.checkString(obj); |
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81 } |
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82 |
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83 public LuanFunction checkFunction(Object obj) throws LuanException { |
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84 return JAVA.checkFunction(obj); |
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85 } |
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86 |
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87 public String toString(Object obj) throws LuanException { |
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88 return JAVA.toString(obj); |
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89 } |
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90 |
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91 public boolean isLessThan(Object o1,Object o2) throws LuanException { |
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92 return JAVA.isLessThan(o1,o2); |
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93 } |
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94 } |