void RemoveInterfaceMembersHiddenByClassMembers(List <LookupGroup> lookupGroups)
{
foreach (var classLookupGroup in lookupGroups)
{
if (IsInterfaceOrSystemObject(classLookupGroup.DeclaringType))
{
continue;
}
// The current lookup groups contains class members that might hide interface members
bool hasNestedTypes = classLookupGroup.NestedTypes != null && classLookupGroup.NestedTypes.Count > 0;
if (hasNestedTypes || !classLookupGroup.NonMethodIsHidden)
{
// Hide all members from interface types
foreach (var interfaceLookupGroup in lookupGroups)
{
if (IsInterfaceOrSystemObject(interfaceLookupGroup.DeclaringType))
{
interfaceLookupGroup.NestedTypes = null;
interfaceLookupGroup.NonMethodIsHidden = true;
interfaceLookupGroup.MethodsAreHidden = true;
}
}
}
else if (!classLookupGroup.MethodsAreHidden)
{
foreach (IMethod classMethod in classLookupGroup.Methods)
{
// Hide all non-methods from interface types, and all methods with the same signature
// as a method in this class type.
foreach (var interfaceLookupGroup in lookupGroups)
{
if (IsInterfaceOrSystemObject(interfaceLookupGroup.DeclaringType))
{
interfaceLookupGroup.NestedTypes = null;
interfaceLookupGroup.NonMethodIsHidden = true;
if (interfaceLookupGroup.Methods != null && !interfaceLookupGroup.MethodsAreHidden)
{
// The mapping of virtual to overridden methods is already done,
// so we can simply remove the methods from the collection
interfaceLookupGroup.Methods.RemoveAll(
m => ParameterListComparer.Compare(context, classMethod, m));
}
}
}
}
}
}
}
/// <summary>
/// Adds members to 'newMethods'/'newNonMethod'.
/// Removes any members in the existing lookup groups that were hidden by added members.
/// Substitutes 'virtual' members in the existing lookup groups for added 'override' members.
/// </summary>
/// <param name="type">Declaring type of the members</param>
/// <param name="members">List of members to add.</param>
/// <param name="lookupGroups">List of existing lookup groups</param>
/// <param name="treatAllParameterizedMembersAsMethods">Whether to treat properties as methods</param>
/// <param name="typeBaseTypes">The base types of 'type' (initialized on demand)</param>
/// <param name="newMethods">The target list for methods (created on demand).</param>
/// <param name="newNonMethod">The target variable for non-method members.</param>
void AddMembers(IType type, IEnumerable <IMember> members, List <LookupGroup> lookupGroups,
bool treatAllParameterizedMembersAsMethods,
ref IEnumerable <IType> typeBaseTypes, ref List <IParameterizedMember> newMethods, ref IMember newNonMethod)
{
foreach (IMember member in members)
{
IParameterizedMember method;
if (treatAllParameterizedMembersAsMethods)
{
method = member as IParameterizedMember;
}
else
{
method = member as IMethod;
}
bool replacedVirtualMemberWithOverride = false;
if (member.IsOverride)
{
// Replacing virtual member with override:
// Go backwards so that we find the corresponding virtual member
// in the most-derived type
for (int i = lookupGroups.Count - 1; i >= 0 && !replacedVirtualMemberWithOverride; i--)
{
if (typeBaseTypes == null)
{
typeBaseTypes = type.GetNonInterfaceBaseTypes(context);
}
var lookupGroup = lookupGroups[i];
if (typeBaseTypes.Contains(lookupGroup.DeclaringType))
{
if (method != null)
{
// Find the matching method, and replace it with the override
for (int j = 0; j < lookupGroup.Methods.Count; j++)
{
if (ParameterListComparer.Compare(context, method, lookupGroup.Methods[j]))
{
lookupGroup.Methods[j] = method;
replacedVirtualMemberWithOverride = true;
break;
}
}
}
else
{
// If the member type matches, replace it with the override
if (lookupGroup.NonMethod != null && lookupGroup.NonMethod.EntityType == member.EntityType)
{
lookupGroup.NonMethod = member;
replacedVirtualMemberWithOverride = true;
break;
}
}
}
}
}
// If the member wasn't an override, or if we didn't find any matching virtual method,
// proceed to add the member.
if (!replacedVirtualMemberWithOverride)
{
// Make the member hide other members:
foreach (var lookupGroup in lookupGroups)
{
if (lookupGroup.AllHidden)
{
continue; // everything is already hidden
}
if (typeBaseTypes == null)
{
typeBaseTypes = type.GetNonInterfaceBaseTypes(context);
}
if (typeBaseTypes.Contains(lookupGroup.DeclaringType))
{
// Methods hide all non-methods; Non-methods hide everything
lookupGroup.NestedTypes = null;
lookupGroup.NonMethodIsHidden = true;
if (method == null) // !(member is IMethod)
{
lookupGroup.MethodsAreHidden = true;
}
}
}
// Add the new member
if (method != null)
{
if (newMethods == null)
{
newMethods = new List <IParameterizedMember>();
}
newMethods.Add(method);
}
else
{
newNonMethod = member;
}
}
}
}
