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/*
* This file is part of %PACKAGENAME%.
*
* %PACKAGENAME% is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* %PACKAGENAME% is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with %PACKAGENAME%. If not, see <http://www.gnu.org/licenses/>.
*
* For more information please see <http://www.%PACKAGENAME%.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*
* Copyright 2009 Jacobs University Bremen, Peter Baumann.
*/
package grammar;
public class NumericScalarExpr implements IParseTreeNode
{
String constValue;
String function;
NumericScalarExpr leftNumericScalarExpr, rightNumericScalarExpr;
CondenseExpr condense;
public NumericScalarExpr(String val)
{
if (val.contains("+i"))
{
ComplexConst cc = new ComplexConst(val);
constValue = cc.toXML();
function = "complexConstant";
}
else
{
constValue = val;
function = "numericConstant";
}
}
public NumericScalarExpr(String op, NumericScalarExpr expr)
{
leftNumericScalarExpr = expr;
if (op.equals("-"))
function = "numericUnaryMinus";
else
System.err.println("Unary Operator " + op + " is not recognized!");
}
public NumericScalarExpr(String op, NumericScalarExpr lbe, NumericScalarExpr rbe)
{
leftNumericScalarExpr = lbe;
rightNumericScalarExpr = rbe;
if (op.equals("+"))
{
function = "numericAdd";
}
else if (op.equals("-"))
{
function = "numericMinus";
}
else if (op.equals("*"))
{
function = "numericMult";
}
else if (op.equals("/"))
{
function = "numericDiv";
}
else
{
System.err.println("Operator " + op + " is not recognized!");
}
}
public NumericScalarExpr(CondenseExpr c)
{
condense = c;
function = "condense";
}
public String toXML()
{
String result;
if (function.equals("complexConstant"))
return constValue;
result = "<" + function + ">";
if (function.equals("numericConstant"))
result += constValue;
else
{
result += leftNumericScalarExpr.toXML();
if (rightNumericScalarExpr != null)
result += rightNumericScalarExpr.toXML();
}
result += "</" + function + ">";
return result;
}
}
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