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comparison src/luan/interp/LenExpr.java @ 46:a443637829c1

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remove LuaNumber git-svn-id: https://luan-java.googlecode.com/svn/trunk@47 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 27 Dec 2012 01:48:36 +0000
parents 57054fa43189
children 64ecb7a3aad7
comparison
equal deleted inserted replaced
45:b1b14d09fc98 46:a443637829c1
1 package luan.interp; 1 package luan.interp;
2 2
3 import luan.Lua; 3 import luan.Lua;
4 import luan.LuaNumber;
5 import luan.LuaTable; 4 import luan.LuaTable;
6 import luan.LuaFunction; 5 import luan.LuaFunction;
7 import luan.LuaException; 6 import luan.LuaException;
8 import luan.LuaSource; 7 import luan.LuaSource;
9 8
16 15
17 @Override public Object eval(LuaStateImpl lua) throws LuaException { 16 @Override public Object eval(LuaStateImpl lua) throws LuaException {
18 Object o = op.eval(lua); 17 Object o = op.eval(lua);
19 if( o instanceof String ) { 18 if( o instanceof String ) {
20 String s = (String)o; 19 String s = (String)o;
21 return LuaNumber.of( s.length() ); 20 return s.length();
22 } 21 }
23 LuaFunction fn = lua.getHandlerFunction(se,"__len",o); 22 LuaFunction fn = lua.getHandlerFunction(se,"__len",o);
24 if( fn != null ) 23 if( fn != null )
25 return Lua.first(lua.call(fn,se,"__len",o)); 24 return Lua.first(lua.call(fn,se,"__len",o));
26 if( o instanceof LuaTable ) { 25 if( o instanceof LuaTable ) {