Mercurial Hosting > luan
view core/src/luan/impl/BinaryOpExpr.java @ 647:8e8c30b72e9b
move methods from LuanState to Luan
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Tue, 29 Mar 2016 20:39:14 -0600 |
parents | cdc70de628b5 |
children |
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package luan.impl; import luan.Luan; import luan.LuanTable; import luan.LuanFunction; import luan.LuanException; abstract class BinaryOpExpr extends CodeImpl implements Expr { final Expr op1; final Expr op2; BinaryOpExpr(Expr op1,Expr op2) { this.op1 = op1; this.op2 = op2; } Object arithmetic(LuanStateImpl luan,String op,Object o1,Object o2) throws LuanException { LuanFunction fn = Luan.getBinHandler(op,o1,o2); if( fn != null ) return Luan.first(fn.call(luan,new Object[]{o1,o2})); String type = !(o1 instanceof Number) ? Luan.type(o1) : Luan.type(o2); throw new LuanException("attempt to perform arithmetic on a "+type+" value"); } }