/*
* $Id: ClassOfNode.java,v 1.6 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 ClassOfNode
*
* @author: Jani Lehtim�ki
*/
public class ClassOfNode extends UnaryParent
{
public ClassOfNode(Node child)
{
super(child);
}
public int typeOf()
{
return Node.EXPR_CLASSOF;
}
public Any eval()
{
return new anvil.core.runtime.AnyType(_child.eval().type());
}
public void compile(ByteCompiler context, int operation)
{
Code code = context.getCode();
ConstantPool pool = code.getPool();
int clazz = pool.addClass("anvil/core/runtime/AnyType");
code.anew(clazz);
code.dup();
_child.compile(context, CHECK);
code.invokevirtual(pool.addMethodRef(context.TYPE_ANY, "type",
"()Lanvil/script/Type;"));
code.invokespecial(pool.addMethodRef(clazz, "<init>",
"(Lanvil/script/Type;)V"));
if (operation == GET_BOOLEAN) {
context.any2boolean();
}
}
}