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comparison src/luan/interp/LenExpr.java @ 31:5cf15507d77e

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separate interpreter from interface git-svn-id: https://luan-java.googlecode.com/svn/trunk@32 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 13 Dec 2012 02:50:04 +0000
parents b7d7069fee58
children e51906de0f11
comparison
equal deleted inserted replaced
30:8d8f4f5caef4 31:5cf15507d77e
2 2
3 import luan.Lua; 3 import luan.Lua;
4 import luan.LuaNumber; 4 import luan.LuaNumber;
5 import luan.LuaTable; 5 import luan.LuaTable;
6 import luan.LuaException; 6 import luan.LuaException;
7 import luan.LuaState;
8 7
9 8
10 final class LenExpr extends UnaryOpExpr { 9 final class LenExpr extends UnaryOpExpr {
11 10
12 LenExpr(Expr op) { 11 LenExpr(Expr op) {
13 super(op); 12 super(op);
14 } 13 }
15 14
16 @Override public Object eval(LuaState lua) throws LuaException { 15 @Override public Object eval(LuaStateImpl lua) throws LuaException {
17 return new LuaNumber( length(op.eval(lua)) ); 16 return new LuaNumber( length(op.eval(lua)) );
18 } 17 }
19 18
20 private static int length(Object obj) throws LuaException { 19 private static int length(Object obj) throws LuaException {
21 if( obj instanceof String ) { 20 if( obj instanceof String ) {