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comparison src/luan/interp/Closure.java @ 77:4bf3d0c0b6b9

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make LuanState cloneable git-svn-id: https://luan-java.googlecode.com/svn/trunk@78 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 15 Feb 2013 09:55:17 +0000
parents 8ede219cd111
children 7c08b611125d
comparison
equal deleted inserted replaced
76:97b03fc807ad 77:4bf3d0c0b6b9
2 2
3 import luan.LuanFunction; 3 import luan.LuanFunction;
4 import luan.LuanState; 4 import luan.LuanState;
5 import luan.LuanElement; 5 import luan.LuanElement;
6 import luan.LuanException; 6 import luan.LuanException;
7 import luan.DeepCloner;
8 import luan.DeepCloneable;
7 9
8 10
9 final class Closure extends LuanFunction { 11 final class Closure extends LuanFunction implements DeepCloneable<Closure> {
10 private final Chunk chunk; 12 private final Chunk chunk;
11 final UpValue[] upValues; 13 final UpValue[] upValues;
12 private final static UpValue[] NO_UP_VALUES = new UpValue[0]; 14 private final static UpValue[] NO_UP_VALUES = new UpValue[0];
13 15
14 Closure(LuanStateImpl luan,Chunk chunk) { 16 Closure(LuanStateImpl luan,Chunk chunk) {
20 upValues = new UpValue[upValueGetters.length]; 22 upValues = new UpValue[upValueGetters.length];
21 for( int i=0; i<upValues.length; i++ ) { 23 for( int i=0; i<upValues.length; i++ ) {
22 upValues[i] = upValueGetters[i].get(luan); 24 upValues[i] = upValueGetters[i].get(luan);
23 } 25 }
24 } 26 }
27 }
28
29 private Closure(Closure c) {
30 this.chunk = c.chunk;
31 this.upValues = c.upValues==NO_UP_VALUES ? NO_UP_VALUES : c.upValues.clone();
32 }
33
34 @Override public Closure shallowClone() {
35 return new Closure(this);
36 }
37
38 @Override public void deepenClone(Closure clone,DeepCloner cloner) {
39 cloner.deepenClone(clone.upValues);
25 } 40 }
26 41
27 public Object[] call(LuanState luan,Object[] args) throws LuanException { 42 public Object[] call(LuanState luan,Object[] args) throws LuanException {
28 return call(this,(LuanStateImpl)luan,args); 43 return call(this,(LuanStateImpl)luan,args);
29 } 44 }