//
// Summary:
// Visits the System.Linq.Expressions.DefaultExpression.
//
// Parameters:
// node:
// The expression to visit.
//
// Returns:
// The modified expression, if it or any subexpression was modified; otherwise,
// returns the original expression.
protected override Expression VisitDefault(DefaultExpression node)
{
Console.WriteLine("VisitDefault:");
Console.WriteLine('\t' + node.GetType().ToString());
Console.WriteLine('\t' + node.ToString());
return(base.VisitDefault(node));
}
/// <summary>
/// Returns the string representation of the parameter.
/// </summary>
/// <returns>Returns the string representation of the parameter.</returns>
public override string ToString()
{
if (IsOptional)
{
return(string.Format("{0} = {1}", Name, DefaultExpression.ToString()));
}
else
{
return(Name);
}
}
/// <summary>访问当前内容 <see cref="T:System.Linq.Expressions.DefaultExpression"></see>.</summary>
/// <param name="node">被访问的表达式</param>
/// <returns>The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.</returns>
protected override Expression VisitDefault(DefaultExpression node)
{
Log(node.ToString());
throw new NotImplementedException();
}
protected override Expression VisitDefault(DefaultExpression node)
{
this._writer.Write(node.ToString());
return(node);
}