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annotate core/src/luan/impl/TableExpr.java @ 171:3dcb0f9bee82

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add core component git-svn-id: https://luan-java.googlecode.com/svn/trunk@172 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Sun, 22 Jun 2014 05:41:22 +0000
parents src/luan/impl/TableExpr.java@4eaee12f6c65
children ec016471c6eb
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1 package luan.impl;
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3 import luan.LuanException;
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4 import luan.LuanTable;
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5 import luan.LuanSource;
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8 final class TableExpr extends CodeImpl implements Expr {
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10 static class Field {
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11 final Expr key;
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12 final Expr value;
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14 Field(Expr key,Expr value) {
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15 this.key = key;
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16 this.value = value;
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17 }
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18 }
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20 private final Field[] fields;
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21 private final Expressions expressions;
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23 TableExpr(LuanSource.Element se,Field[] fields,Expressions expressions) {
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24 super(se);
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25 this.fields = fields;
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26 this.expressions = expressions;
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27 }
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29 @Override public Object eval(LuanStateImpl luan) throws LuanException {
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30 LuanTable table = new LuanTable();
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31 for( Field field : fields ) {
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32 table.put( field.key.eval(luan), field.value.eval(luan) );
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33 }
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34 Object obj = expressions.eval(luan);
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35 if( obj instanceof Object[] ) {
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36 Object[] a = (Object[])obj;
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37 for( int i=0; i<a.length; i++ ) {
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38 table.put( i+1, a[i] );
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39 }
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40 } else {
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41 table.put( 1, obj );
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42 }
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43 return table;
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44 }
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45 }