public IEnumerable EnumerateDelegateTargets()

in src/Microsoft.Diagnostics.Runtime/ClrDelegate.cs [150:187]
32 lines of code
11 McCabe index (conditional complexity)

        public IEnumerable<ClrDelegateTarget> EnumerateDelegateTargets()
        {
            ClrDelegateTarget? first = GetDelegateTarget();
            if (first != null)
                yield return first;

            // The call to GetDelegateMethod will validate that we are a valid object and a subclass of System.Delegate
            if (!Object.TryReadField("_invocationCount", out int count)
                || count == 0
                || !Object.TryReadObjectField("_invocationList", out ClrObject invocationList)
                || !invocationList.IsArray)
            {
                yield break;
            }

            ClrArray invocationArray = invocationList.AsArray();
            count = Math.Min(count, invocationArray.Length);

            ClrHeap heap = Object.Type!.Heap;

            UIntPtr[]? pointers = invocationArray.ReadValues<UIntPtr>(0, count);
            if (pointers is not null)
            {
                foreach (UIntPtr ptr in pointers)
                {
                    if (ptr == UIntPtr.Zero)
                        continue;

                    ClrObject delegateObj = heap.GetObject(ptr.ToUInt64());
                    if (delegateObj.IsDelegate)
                    {
                        ClrDelegateTarget? delegateTarget = new ClrDelegate(delegateObj).GetDelegateTarget();
                        if (delegateTarget is not null)
                            yield return delegateTarget;
                    }
                }
            }
        }