Mercurial Hosting > luan
annotate core/src/luan/LuanState.java @ 743:2c41f2aec92f
improve Rpc and implement rpc call for local webserver
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 13 Jul 2016 17:27:35 -0600 |
parents | b620b8e1010f |
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1 package luan; |
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2 |
527 | 3 import java.io.Closeable; |
4 import java.io.IOException; | |
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5 import java.lang.ref.Reference; |
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6 import java.lang.ref.WeakReference; |
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7 import java.util.List; |
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8 import java.util.ArrayList; |
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9 import java.util.Map; |
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10 import java.util.HashMap; |
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11 import luan.impl.LuanCompiler; |
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12 import luan.modules.BasicLuan; |
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13 import luan.modules.JavaLuan; |
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14 |
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15 |
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16 public final class LuanState implements DeepCloneable { |
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17 |
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18 public LuanJava java; |
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19 private Map registry; |
527 | 20 private final List<Reference<Closeable>> onClose = new ArrayList<Reference<Closeable>>(); |
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21 |
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22 public LuanState() { |
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23 java = new LuanJava(); |
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24 registry = new HashMap(); |
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25 } |
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26 |
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27 private LuanState(LuanState luan) {} |
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28 |
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29 @Override public LuanState shallowClone() { |
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30 return new LuanState(this); |
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31 } |
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32 |
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33 @Override public void deepenClone(DeepCloneable dc,DeepCloner cloner) { |
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34 LuanState clone = (LuanState)dc; |
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35 clone.registry = cloner.deepClone(registry); |
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36 clone.java = (LuanJava)cloner.deepClone(java); |
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37 } |
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38 |
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39 public final Map registry() { |
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40 return registry; |
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41 } |
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42 |
527 | 43 public void onClose(Closeable c) { |
44 onClose.add(new WeakReference<Closeable>(c)); | |
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45 } |
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46 |
527 | 47 public void close() throws IOException { |
48 for( Reference<Closeable> ref : onClose ) { | |
49 Closeable c = ref.get(); | |
50 if( c != null ) | |
51 c.close(); | |
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52 } |
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53 onClose.clear(); |
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54 } |
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55 /* |
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56 public final Object eval(String cmd) throws LuanException { |
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57 return eval(cmd,new LuanTable()); |
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58 } |
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59 |
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60 public final Object eval(String cmd,LuanTable env) throws LuanException { |
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61 LuanFunction fn = BasicLuan.load(this,cmd,"eval",env,true); |
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62 return fn.call(this); |
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63 } |
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64 */ |
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65 |
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66 public String toString(Object obj) throws LuanException { |
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67 if( obj instanceof LuanTable ) { |
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68 LuanTable tbl = (LuanTable)obj; |
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69 return tbl.toString(this); |
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70 } |
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71 if( obj == null ) |
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72 return "nil"; |
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73 if( obj instanceof Number ) |
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74 return Luan.toString((Number)obj); |
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75 if( obj instanceof byte[] ) |
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76 return "binary: " + Integer.toHexString(obj.hashCode()); |
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77 return obj.toString(); |
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78 } |
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79 |
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80 public Object index(Object obj,Object key) throws LuanException { |
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81 if( obj instanceof LuanTable ) { |
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82 LuanTable tbl = (LuanTable)obj; |
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83 return tbl.get(this,key); |
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84 } |
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85 if( obj != null && java.ok ) |
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86 return JavaLuan.__index(this,obj,key,false); |
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87 throw new LuanException("attempt to index a " + Luan.type(obj) + " value" ); |
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88 } |
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89 |
576 | 90 /* |
91 public Number checkNumber(Object obj) throws LuanException { | |
92 if( obj instanceof Number ) | |
93 return (Number)obj; | |
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94 throw new LuanException( "attempt to perform arithmetic on '"+context()+"' (a " + Luan.type(obj) + " value)" ); |
576 | 95 } |
96 */ | |
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97 } |