public static bool TryFindArgumentFilterWithin(Expression expression, out IArgumentFilter argumentFilter)
{
Debug.Assert(expression != null);
var visitor = new ArgumentFilterVisitor();
visitor.Visit(expression);
argumentFilter = visitor.argumentFilter;
return argumentFilter != null;
}
public static bool TryFindArgumentFilterWithin(Expression expression, out IArgumentFilter argumentFilter)
{
Debug.Assert(expression != null);
var visitor = new ArgumentFilterVisitor();
visitor.Visit(expression);
argumentFilter = visitor.argumentFilter;
return(argumentFilter != null);
}
protected override Expression VisitMethodCall(MethodCallExpression node)
{
this.argumentFilters = new ArgumentFilterCollection();
var methodParameters = node.Method.GetParameters();
for (var i = 0; i < methodParameters.Length; ++i)
{
if (methodParameters[i].ParameterType.IsByRef || methodParameters[i].IsOut)
{
this.argumentFilters.Add(IsAnyArgumentFilter <object> .Instance);
}
else
{
this.argumentFilters.Add(ArgumentFilterVisitor.FindArgumentFilterWithin(node.Arguments[i]));
}
}
return(Expression.Constant(this.argumentFilters));
}
