public IfValue Calculate(string op, IfValue v=null)
{
switch (op) {
case "+": if (v != null) return new IntValue(this.Value + v.GetInt());
else return new IntValue(this.Value);
case "-": if (v != null) return new IntValue(this.Value - v.GetInt());
else return new IntValue(-this.Value);
case "*": if (v != null) return new IntValue(this.Value * v.GetInt());
else throw new RuntimeError("right operand missing in expression");
case "/": if (v != null) return new IntValue(this.Value / v.GetInt());
else throw new RuntimeError("right operand missing in expression");
default: throw new RuntimeError("unknown operator " + op + " in expression");
}
}
public IfValue Calculate(string op, IfValue v = null)
{
switch (op)
{
case "+": if (v != null)
{
return(new IntValue(this.Value + v.GetInt()));
}
else
{
return(new IntValue(this.Value));
}
case "-": if (v != null)
{
return(new IntValue(this.Value - v.GetInt()));
}
else
{
return(new IntValue(-this.Value));
}
case "*": if (v != null)
{
return(new IntValue(this.Value * v.GetInt()));
}
else
{
throw new RuntimeError("right operand missing in expression");
}
case "/": if (v != null)
{
return(new IntValue(this.Value / v.GetInt()));
}
else
{
throw new RuntimeError("right operand missing in expression");
}
default: throw new RuntimeError("unknown operator " + op + " in expression");
}
}
public void Set( IfValue v )
{
this.Value = v.GetInt();
}
public void Set(IfValue v)
{
this.Value = v.GetInt();
}
