/*
* $Id: SymbolNode.java,v 1.5 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.codec.Code;
import anvil.script.compiler.ByteCompiler;
import anvil.script.Context;
import java.io.IOException;
/**
* class SymbolNode
*
* @author: Jani Lehtim�ki
*/
public class SymbolNode extends Node
{
private Any _symbol;
public SymbolNode(String symbol)
{
super();
_symbol = Any.create(symbol);
}
public int typeOf()
{
return Node.EXPR_SYMBOL;
}
public boolean isConstant()
{
return true;
}
public Any eval()
{
return _symbol;
}
public void compile(ByteCompiler context, int operation)
{
Code code = context.getCode();
if (operation == GET_BOOLEAN) {
code.iconst(_symbol.toBoolean());
} else {
context.constant(_symbol, false);
}
}
}