/// Evaluate the operation against stack
public void Eval(IEvaluationContext context, Stack <object> stack)
{
string name = null;
foreach (var option in _options)
{
object z;
if (option.Name != null)
{
name = option.Name;
if (context.TryGetValue(option.Name, out z))
{
stack.Push(z);
return;
}
}
else if (option.Expression != null)
{
option.Expression.Eval(context, stack);
return;
}
else
{
stack.Push(option.Value);
return;
}
}
throw new KeyNotFoundException("Variable '" + name + "' is undefined");
}
/// Evaluate the operation against stack
public void Eval(IEvaluationContext context, Stack<object> stack)
{
string name = null;
foreach (var option in _options)
{
object z;
if (option.Name != null)
{
name = option.Name;
if (context.TryGetValue(option.Name, out z))
{
stack.Push(z);
return;
}
}
else if (option.Expression != null)
{
option.Expression.Eval(context, stack);
return;
}
else
{
stack.Push(option.Value);
return;
}
}
throw new KeyNotFoundException("Variable '"+name+"' is undefined");
}
