Mercurial Hosting > luan
annotate core/src/luan/impl/LenExpr.java @ 623:d592bf0947a9
remove "~a" idea
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Thu, 07 Jan 2016 03:58:51 -0700 |
parents | 60c549d43988 |
children | 859c0dedc8b6 |
rev | line source |
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166
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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; |
2
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start interp
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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2 |
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rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import luan.Luan; |
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rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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4 import luan.LuanTable; |
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rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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5 import luan.LuanFunction; |
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rename Lua to Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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6 import luan.LuanException; |
460 | 7 import luan.LuanElement; |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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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 |
7
bca8fc5d928b
work on expressions
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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10 final class LenExpr extends UnaryOpExpr { |
2
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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11 |
460 | 12 LenExpr(LuanElement el,Expr op) { |
13 super(el,op); | |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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14 } |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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15 |
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add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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16 @Override public Object eval(LuanStateImpl luan) throws LuanException { |
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add WebShell
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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17 Object o = op.eval(luan); |
35
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implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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18 if( o instanceof String ) { |
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implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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19 String s = (String)o; |
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remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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20 return s.length(); |
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21 } |
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minor
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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22 if( o instanceof byte[] ) { |
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minor
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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23 byte[] a = (byte[])o; |
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24 return a.length; |
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25 } |
576 | 26 luan.push(el,null); |
27 try { | |
28 if( !(o instanceof LuanTable) ) | |
578
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remove LuanState.exception()
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29 throw new LuanException(luan, "attempt to get length of a " + Luan.type(o) + " value" ); |
576 | 30 LuanTable t = (LuanTable)o; |
31 return t.length(luan); | |
32 } finally { | |
33 luan.pop(); | |
34 } | |
2
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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35 } |
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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36 } |