private static void Expr_EvaluateParameter(string name, NCalc.ParameterArgs args)
{
switch (name.ToLowerInvariant()) {
case "pi": args.Result= Math.PI;
break;
case "e": args.Result = Math.E;
break;
}
}
public override void Visit(NCalc.Domain.LogicalExpression expression)
{
throw new NotImplementedException();
}
public override void Visit(NCalc.Domain.BinaryExpression expression)
{
}
public override void Visit(NCalc.Domain.ValueExpression expression)
{
}
public override void Visit(NCalc.Domain.TernaryExpression expression)
{
ComplexExpression = true;
}
public override void Visit(NCalc.Domain.Identifier function)
{
ComplexExpression = true;
}
public override void Visit(NCalc.Domain.Function function)
{
ComplexExpression = true;
}
public override void Visit(NCalc.Domain.TernaryExpression expression)
{
//Visit left, right and middle
expression.LeftExpression.Accept(this);
expression.RightExpression.Accept(this);
expression.MiddleExpression.Accept(this);
}
public override void Visit(NCalc.Domain.BinaryExpression expression)
{
//Visit left and right
expression.LeftExpression.Accept(this);
expression.RightExpression.Accept(this);
}
public override void Visit(NCalc.Domain.UnaryExpression expression)
{
expression.Accept(this);
}
public override void Visit(NCalc.Domain.Identifier function)
{
//Parameter - add to list
Parameters.Add(function.Name);
}
