public static bool HasParameterArgument(this MethodCallExpression node, Type type = null)
{
node.MustNotBeNull();
foreach (var arg in node.Arguments)
{
if (arg.IsParameter(type) || arg.BelongsToParameter(type))
{
return(true);
}
}
return(false);
}
/// <summary>
///
/// </summary>
/// <exception cref="NotSupportedException"></exception>
/// <param name="node"></param>
/// <returns></returns>
public static object GetValue(this MethodCallExpression node)
{
node.MustNotBeNull();
if (node.Arguments.Any(a => !a.CanReturnValue()))
{
throw new NotSupportedException("Can't identify the value of at least one argument");
}
var args = node.Arguments.Select(a => a.GetValue()).ToArray();
object parent = null;
if (node.Object != null && node.Object.CanReturnValue())
{
parent = node.Object.GetValue();
}
return(node.Method.Invoke(parent, args));
}
