Mercurial Hosting > luan
annotate core/src/luan/impl/FnCall.java @ 445:cc7d246bda2a
minor
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Mon, 04 May 2015 15:43:36 -0600 |
parents | 8fbb961aabd5 |
children | b48cfa14ba60 |
rev | line source |
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166
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move luan/interp to impl
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1 package luan.impl; |
2
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2 |
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3 import luan.Luan; |
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4 import luan.LuanFunction; |
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5 import luan.LuanException; |
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6 import luan.LuanSource; |
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7 import luan.LuanTable; |
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8 |
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9 |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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10 final class FnCall extends CodeImpl implements Expressions { |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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11 final Expr fnExpr; |
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12 final Expressions args; |
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13 final String fnName; |
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14 |
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15 FnCall(LuanSource.Element se,Expr fnExpr,Expressions args) { |
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16 super(se); |
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17 this.fnExpr = fnExpr; |
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18 this.args = args; |
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19 this.fnName = fnExpr.se().text(); |
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20 } |
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21 |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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22 @Override public Object eval(LuanStateImpl luan) throws LuanException { |
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23 return call( luan, fnExpr.eval(luan) ); |
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24 } |
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25 |
111
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26 private Object call(LuanStateImpl luan,Object o) throws LuanException { |
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27 if( o instanceof LuanFunction ) { |
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28 LuanFunction fn = (LuanFunction)o; |
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29 return luan.bit(se).call( fn, fnName, Luan.array(args.eval(luan)) ); |
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30 } |
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31 if( o instanceof LuanTable ) { |
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32 LuanTable t = (LuanTable)o; |
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33 Object h = t.getHandler("__call"); |
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34 if( h != null ) |
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35 return call(luan,h); |
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36 } |
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add LuanBit to clean up code;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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37 throw luan.bit(fnExpr.se()).exception( "attempt to call '"+fnExpr.se().text()+"' (a " + Luan.type(o) + " value)" ); |
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38 } |
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39 |
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40 @Override public String toString() { |
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41 return "(FnCall "+fnName+" "+fnExpr+" "+args+")"; |
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42 } |
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43 } |