Mercurial Hosting > luan
view core/src/luan/impl/ConcatExpr.java @ 609:24b05963ba62
shell "clear" button now clears the session
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 09 Dec 2015 18:12:16 -0700 |
parents | 4723d22062ce |
children | 859c0dedc8b6 |
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package luan.impl; import luan.Luan; import luan.LuanFunction; import luan.LuanException; import luan.LuanElement; final class ConcatExpr extends BinaryOpExpr { ConcatExpr(LuanElement el,Expr op1,Expr op2) { super(el,op1,op2); } @Override public Object eval(LuanStateImpl luan) throws LuanException { Object o1 = op1.eval(luan); Object o2 = op2.eval(luan); luan.push(el,null); try { LuanFunction fn = luan.getBinHandler("__concat",o1,o2); if( fn != null ) return Luan.first(fn.call(luan,new Object[]{o1,o2})); } finally { luan.pop(); } String s1 = luan.toString(o1,op1.el()); String s2 = luan.toString(o2,op2.el()); return s1 + s2; } }