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annotate core/src/luan/LuanState.java @ 574:6cc2f047019b

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remove LuanState.call()
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 13 Jul 2015 12:31:53 -0600
parents f1601a4ce1aa
children 7c3ad6db8ac3
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1 package luan;
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2
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3 import java.io.Closeable;
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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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15 public abstract class LuanState implements DeepCloneable {
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17 final List<StackTraceElement> stackTrace = new ArrayList<StackTraceElement>();
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19 private Map registry;
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20 private final List<Reference<Closeable>> onClose = new ArrayList<Reference<Closeable>>();
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22 protected LuanState() {
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23 registry = new HashMap();
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24 }
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26 protected LuanState(LuanState luan) {}
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28 @Override public void deepenClone(DeepCloneable clone,DeepCloner cloner) {
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29 ((LuanState)clone).registry = cloner.deepClone(registry);
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30 }
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32 public abstract boolean hasJava();
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33 public abstract void setJava();
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34 public abstract LuanSource currentSource();
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36 public final Map registry() {
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37 return registry;
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38 }
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39
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40 public void onClose(Closeable c) {
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41 onClose.add(new WeakReference<Closeable>(c));
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42 }
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43
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44 public void close() throws IOException {
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45 for( Reference<Closeable> ref : onClose ) {
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46 Closeable c = ref.get();
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47 if( c != null )
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48 c.close();
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49 }
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50 onClose.clear();
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51 }
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52
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53 public static LuanState newInstance() {
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54 return LuanCompiler.newLuanState();
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55 }
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57 public final Object eval(String cmd) throws LuanException {
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58 return eval(cmd,new LuanTable());
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59 }
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61 public final Object eval(String cmd,LuanTable env) throws LuanException {
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62 LuanFunction fn = BasicLuan.load(this,cmd,"eval",env,true);
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63 return fn.call(this);
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64 }
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66 public final LuanBit bit(LuanElement el) {
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67 return new LuanBit(this,el);
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68 }
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70 // convenience methods
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71
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72 public final LuanBit JAVA = bit(null);
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74 public LuanException exception(Object msg) throws LuanException {
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75 return JAVA.exception(msg);
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76 }
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78 public Boolean checkBoolean(Object obj) throws LuanException {
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79 return JAVA.checkBoolean(obj);
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80 }
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82 public String checkString(Object obj) throws LuanException {
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83 return JAVA.checkString(obj);
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84 }
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86 public LuanFunction checkFunction(Object obj) throws LuanException {
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87 return JAVA.checkFunction(obj);
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88 }
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90 public boolean isLessThan(Object o1,Object o2) throws LuanException {
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91 return JAVA.isLessThan(o1,o2);
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92 }
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93 }