Mercurial Hosting > luan
annotate src/luan/interp/FnCall.java @ 48:64ecb7a3aad7
rename Lua to Luan
git-svn-id: https://luan-java.googlecode.com/svn/trunk@49 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Fri, 28 Dec 2012 03:29:12 +0000 |
parents | e3624b7cd603 |
children | 8ede219cd111 |
rev | line source |
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2
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.interp; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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2 |
48
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import luan.Luan; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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4 import luan.LuanFunction; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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5 import luan.LuanException; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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6 import luan.LuanSource; |
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7 |
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8 |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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9 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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10 final Expr fnExpr; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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11 final Expressions args; |
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12 final String fnName; |
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13 |
48
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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14 FnCall(LuanSource.Element se,Expr fnExpr,Expressions args) { |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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15 super(se); |
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16 this.fnExpr = fnExpr; |
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17 this.args = args; |
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18 this.fnName = fnExpr.se().text(); |
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19 } |
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20 |
48
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21 @Override public Object[] eval(LuanStateImpl lua) throws LuanException { |
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22 return call( lua, fnExpr.eval(lua) ); |
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23 } |
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24 |
48
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25 private Object[] call(LuanStateImpl lua,Object o) throws LuanException { |
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26 if( o instanceof LuanFunction ) { |
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27 LuanFunction fn = (LuanFunction)o; |
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28 return lua.call( fn, se, fnName, args.eval(lua) ); |
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29 } |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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30 Object h = lua.getHandler("__call",o); |
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31 if( h != null ) |
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32 return call(lua,h); |
48
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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33 throw new LuanException( lua, se, "attempt to call a " + Luan.type(o) + " value" ); |
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34 } |
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35 } |