/*
* $Id: DynamicHasNode.java,v 1.3 2002/09/16 08:05:04 jkl Exp $
*
* Copyright (c) 2002 Njet Communications Ltd. All Rights Reserved.
*
* Use is subject to license terms, as defined in
* Anvil Sofware License, Version 1.1. See LICENSE
* file, or http://njet.org/license-1.1.txt
*/
package anvil.script.expression;
import anvil.core.Any;
import anvil.codec.Code;
import anvil.codec.ConstantPool;
import anvil.script.compiler.ByteCompiler;
import anvil.script.Context;
import java.io.IOException;
/**
* class HasNode
*
* @author: Jani Lehtim�ki
*/
public class DynamicHasNode extends BinaryParent
{
public DynamicHasNode(Node left, Node right)
{
super(left, right);
}
public int typeOf()
{
return Node.EXPR_HAS;
}
public Any eval()
{
return _left.eval().has(_right.eval().toString()) ? Any.TRUE : Any.FALSE;
}
public void compile(ByteCompiler context, int operation)
{
Code code = context.getCode();
ConstantPool pool = code.getPool();
_left.compile(context, GET);
_right.compile(context, GET);
code.invokevirtual(pool.addMethodRef(context.TYPE_OBJECT, "toString", "()Ljava/lang/String;"));
code.invokevirtual(pool.addMethodRef(context.TYPE_ANY, "has", "(Ljava/lang/String;)Z"));
if (operation != GET_BOOLEAN) {
context.boolean2any();
}
}
}