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annotate core/src/luan/impl/GetUpVar.java @ 586:a140be489a72

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 24 Aug 2015 02:17:46 -0600
parents 0742ac78fa69
children 859c0dedc8b6
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 78
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1 package luan.impl;
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3 import luan.LuanElement;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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6 final class GetUpVar extends CodeImpl implements Expr {
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7 private final int index;
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9 GetUpVar(LuanElement se,int index) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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10 super(se);
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11 if( index < 0 ) throw new RuntimeException();
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12 this.index = index;
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13 }
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15 @Override public Object eval(LuanStateImpl luan) {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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16 return luan.closure().upValues()[index].get();
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17 }
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18 }