Package anvil.script.expression

Source Code of anvil.script.expression.RangeNode

/*
* $Id: RangeNode.java,v 1.6 2002/09/16 08:05:05 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.core.AnyRange;
import anvil.codec.Code;
import anvil.codec.ConstantPool;
import anvil.script.compiler.ByteCompiler;
import anvil.script.Context;
import java.io.IOException;

/**
* class RangeNode
*
* @author: Jani Lehtim�ki
*/
public class RangeNode extends BinaryParent
{

  public RangeNode(Node left, Node right)
  {
    super(left, right);
  }

 
  public int typeOf()
  {
    return Node.EXPR_RANGE;
  }


  public Any eval()
  {
    return new AnyRange(_left.eval(), _right.eval());
  }


  public void compile(ByteCompiler context, int operation)
  {
    Code code = context.getCode();
    ConstantPool pool = code.getPool();
    int clazz = pool.addClass("anvil/core/AnyRange");
    code.anew(clazz);
    code.dup();
    super.compile(context, GET);
    code.invokespecial(pool.addMethodRef(clazz, "<init>",
      "(Lanvil/core/Any;Lanvil/core/Any;)V"));
    if (operation == GET_BOOLEAN) {
      context.any2boolean();
    }
  }

}
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