/// <summary>
/// Evaluates the specified expression.
/// </summary>
/// <param name="expression">The expression.</param>
/// <returns>Result of the expression evaluated</returns>
public ExpressionResult Evaluate(Expression expression)
{
values.Clear();
result = new ExpressionResult();
// Small optim, if LiteralExpression, we perform a direct eval.
var literalExpression = expression as LiteralExpression;
if (literalExpression != null)
{
Visit(literalExpression);
}
else
{
VisitDynamic(expression);
}
if (values.Count == 1)
result.Value = values.Pop();
else
{
result.Error("Cannot evaluate expression {0}", expression.Span, expression);
}
return result;
}