Mercurial Hosting > luan
annotate core/src/luan/impl/SetTableEntry.java @ 426:23a93c118042
fix LuanTable.get() to use metatables
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 01 May 2015 18:44:20 -0600 |
parents | b31d614343e8 |
children | dae264ad6a7b |
rev | line source |
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move luan/interp to impl
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.impl; |
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2 |
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3 import luan.LuanException; |
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4 import luan.LuanTable; |
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5 import luan.Luan; |
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6 import luan.LuanFunction; |
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7 import luan.LuanSource; |
405 | 8 import luan.LuanMeta; |
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9 import luan.modules.JavaLuan; |
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10 |
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11 |
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12 final class SetTableEntry extends CodeImpl implements Settable { |
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13 private final Expr tableExpr; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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14 private final Expr keyExpr; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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15 |
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16 SetTableEntry(LuanSource.Element se,Expr tableExpr,Expr keyExpr) { |
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17 super(se); |
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18 this.tableExpr = tableExpr; |
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19 this.keyExpr = keyExpr; |
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20 } |
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21 |
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add WebShell
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22 @Override public void set(LuanStateImpl luan,Object value) throws LuanException { |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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23 newindex( luan, tableExpr.eval(luan), keyExpr.eval(luan), value ); |
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24 } |
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25 |
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26 private void newindex(LuanStateImpl luan,Object t,Object key,Object value) throws LuanException { |
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27 if( t instanceof LuanTable ) { |
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28 LuanTable table = (LuanTable)t; |
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29 Object h = table.getHandler("__newindex"); |
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30 if( h==null || table.rawGet(key)!=null ) { |
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31 try { |
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32 table.put(key,value); |
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33 } catch(IllegalArgumentException e) { |
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34 throw luan.bit(se).exception(e); |
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35 } catch(UnsupportedOperationException e) { |
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36 throw luan.bit(se).exception(e); |
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37 } |
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38 return; |
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39 } |
404
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40 if( h instanceof LuanFunction ) { |
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41 LuanFunction fn = (LuanFunction)h; |
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42 luan.bit(se).call(fn,"__newindex",new Object[]{t,key,value}); |
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43 return; |
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44 } |
405 | 45 if( h instanceof LuanMeta ) { |
46 LuanMeta meta = (LuanMeta)h; | |
47 meta.__newindex(luan,table,key,value); | |
48 return; | |
49 } | |
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50 newindex(luan,h,key,value); |
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51 } |
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52 if( t != null && luan.currentEnvironment().hasJava() ) |
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53 JavaLuan.__newindex(luan,t,key,value); |
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54 else |
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55 throw luan.bit(se).exception( "attempt to index '"+tableExpr.se().text()+"' (a " + Luan.type(t) + " value)" ); |
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56 } |
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57 |
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58 } |