/// <summary>
/// The visit member.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The <see cref="Expression"/>.
/// </returns>
protected override Expression VisitMember(MemberExpression node)
{
var result = base.VisitMember(node);
node = result as MemberExpression;
return(node != null && (node.Expression == null || node.Expression is ConstantExpression) ? Simplifier.Evaluate(node) : result);
}
/// <summary>
/// The visit conditional.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The <see cref="Expression"/>.
/// </returns>
protected override Expression VisitConditional(ConditionalExpression node)
{
var result = base.VisitConditional(node);
node = result as ConditionalExpression;
return(node?.Test is ConstantExpression && node.IfTrue is ConstantExpression && node.IfFalse is ConstantExpression?Simplifier.Evaluate(node) : result);
}
/// <summary>
/// The visit index.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
/// <returns>
/// The <see cref="Expression"/>.
/// </returns>
protected override Expression VisitIndex(IndexExpression node)
{
var result = base.VisitIndex(node);
node = result as IndexExpression;
return(node != null && (node.Object == null || node.Object is ConstantExpression) && node.Arguments.All(arg => arg is ConstantExpression) ? Simplifier.Evaluate(node) : result);
}
