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comparison src/luan/interp/UpValue.java @ 86:6db8f286fa6c

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_ENV is per module, not global git-svn-id: https://luan-java.googlecode.com/svn/trunk@87 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 27 Feb 2013 08:03:51 +0000
parents 7c08b611125d
children 3c404a296995
comparison
equal deleted inserted replaced
85:b2551f00bc51 86:6db8f286fa6c
1 package luan.interp; 1 package luan.interp;
2 2
3 import luan.DeepCloner; 3 import luan.DeepCloner;
4 import luan.DeepCloneable; 4 import luan.DeepCloneable;
5 import luan.LuanException;
5 6
6 7
7 final class UpValue implements DeepCloneable<UpValue> { 8 final class UpValue implements DeepCloneable<UpValue> {
8 private Object[] stack; 9 private Object[] stack;
9 private int index; 10 private int index;
53 isClosed = true; 54 isClosed = true;
54 stack = null; 55 stack = null;
55 } 56 }
56 57
57 static interface Getter { 58 static interface Getter {
58 public UpValue get(LuanStateImpl luan); 59 public UpValue get(LuanStateImpl luan) throws LuanException;
59 } 60 }
60 61
61 static final class StackGetter implements Getter { 62 static final class StackGetter implements Getter {
62 private final int index; 63 private final int index;
63 64
80 public UpValue get(LuanStateImpl luan) { 81 public UpValue get(LuanStateImpl luan) {
81 return luan.closure().upValues()[index]; 82 return luan.closure().upValues()[index];
82 } 83 }
83 } 84 }
84 85
85 static final Getter globalGetter = new Getter() { 86 static final class EnvGetter implements Getter {
87
88 public UpValue get(LuanStateImpl luan) throws LuanException {
89 return luan.getUpValue(this);
90 }
91 }
92
93 static final class ValueGetter implements Getter {
94 private final UpValue upValue;
95
96 ValueGetter(Object value) {
97 this.upValue = new UpValue(value);
98 }
99
86 public UpValue get(LuanStateImpl luan) { 100 public UpValue get(LuanStateImpl luan) {
87 return new UpValue(luan.global()); 101 return upValue;
88 } 102 }
89 }; 103 }
90 104
91 } 105 }