private static bool IsTypeAsVisibleAs (this TypeNode type, Member asThisMember)
{
if (type == null)
return true;
switch (type.NodeType) {
case NodeType.Reference:
return ((Reference) type).ElementType.IsTypeAsVisibleAs (asThisMember);
default:
if (type.HasGenericParameters)
throw new NotImplementedException ();
return IsDefinitionAsVisibleAs (type, asThisMember);
}
}
private static Member Unspecialize (Member member)
{
return member;
}
private static bool IsInsideOf (this Member thisValue, Member thatValue)
{
var typeNode = thatValue as TypeNode;
if (typeNode == null)
return false;
for (TypeNode declaringType = thisValue.DeclaringType; declaringType != null; declaringType = declaringType.DeclaringType) {
if (declaringType == typeNode)
return true;
}
return false;
}
private static bool IsInsideSubclass (this Member member, Member thatValue)
{
var targetType = thatValue as TypeNode;
if (targetType == null)
return false;
for (TypeNode declaringType = member.DeclaringType; declaringType != null; declaringType = declaringType.DeclaringType) {
if (declaringType.IsAssignableTo (targetType))
return true;
}
return false;
}
private static bool IsDefinitionAsVisibleAs (this Member member, Member asThisMember)
{
Module memberModule = member.Module;
Module asThisMemberModule = asThisMember.Module;
for (Member mbr = member; mbr != null; mbr = mbr.DeclaringType) {
if (!mbr.IsPublic) {
bool visible = false;
for (Member mbr1 = asThisMember; mbr1 != null; mbr1 = mbr1.DeclaringType) {
if (mbr1.IsAssembly) {
if ((mbr1.IsPrivate || mbr1.IsAssembly) && memberModule == asThisMemberModule)
visible = true;
} else if (mbr1.IsFamily) {
if (mbr.IsPrivate) {
if (IsInsideOf (mbr, mbr1) || IsInsideSubclass (mbr, mbr1.DeclaringType))
visible = true;
} else if (mbr.IsFamily && (mbr.DeclaringType == mbr1.DeclaringType || IsSubclassOf (mbr.DeclaringType, mbr1.DeclaringType)))
visible = true;
} else if (mbr1.IsFamilyOrAssembly) {
if (mbr.IsPrivate) {
if (memberModule == asThisMemberModule || IsInsideSubclass (mbr, mbr1.DeclaringType))
visible = true;
} else if (mbr.IsAssembly) {
if (memberModule == asThisMemberModule)
visible = true;
} else if (mbr.IsFamily) {
if (IsSubclassOf (mbr.DeclaringType, mbr1.DeclaringType))
visible = true;
} else if (mbr.IsFamilyOrAssembly && memberModule == asThisMemberModule && IsSubclassOf (mbr.DeclaringType, mbr1.DeclaringType))
visible = true;
} else if (mbr1.IsPrivate && mbr.IsPrivate && IsInsideOf (mbr, mbr1.DeclaringType))
visible = true;
}
if (!visible)
return false;
}
}
return true;
}
public static bool IsReferenceAsVisibleAs (Member member, Member asThisMember)
{
var type = member as TypeNode;
if (type != null)
return IsTypeAsVisibleAs (type, asThisMember);
var method = member as Method;
Member member1;
if (method != null) {
if (method.HasGenericParameters)
throw new NotImplementedException ();
member1 = method;
} else
member1 = Unspecialize (member);
return IsDefinitionAsVisibleAs (member1, asThisMember);
}