private static ByteEntry CreateByteEntryByFlatteningGraph(
ByteGraphNode byteGraphNode, ByteEntry rootEntryToPopulate = null
)
{
byteGraphNode.Validate();
EnsureRootEntryExists();
PopulateFromChildNodes(); // use child data first
PopulateFromRootNode(); // override/append our data second as the priority
return(rootEntryToPopulate);
void EnsureRootEntryExists()
{
rootEntryToPopulate ??= new ByteEntry
{
Parent = byteGraphNode.ByteSource.Bytes,
ParentIndex = byteGraphNode.ByteEntry?.ParentIndex ?? byteGraphNode.SourceIndex,
// several of our collection items (bytes, annotations, etc) will store
// a reference to their parent container. since this new ByteEntry object we're making
// is more of an aggregator, we don't want to modify the parents of the things we're storing.
// we just store a reference, they really live elsewhere and hence, we're not their 'real' parent.
// "YOU'RE NOT MY REAL DAD"
DontSetParentOnCollectionItems = true,
};
}
void PopulateFromChildNodes()
{
// traverse any child nodes first.
if (byteGraphNode.Children == null)
{
return;
}
foreach (var childNode in byteGraphNode.Children)
{
CreateByteEntryByFlatteningGraph(childNode, rootEntryToPopulate);
}
}
void PopulateFromRootNode()
{
// annotations are concatenated together
if (byteGraphNode.ByteEntry?.Annotations?.Count > 0)
{
rootEntryToPopulate.AppendAnnotationsFrom(byteGraphNode.ByteEntry);
}
}
}
public static void TestSuccessfulUnrelatedMultipleCombine()
{
var entry1 = new ByteEntry(new AnnotationCollection
{
new Label {
Name = "test1111"
}, new ByteAnnotation(), new Comment()
})
{
DontSetParentOnCollectionItems = true
};
var entry2 = new ByteEntry(new AnnotationCollection
{
new OpcodeAnnotation(), new ByteAnnotation(), new MarkAnnotation()
});
Assert.True(entry1.DontSetParentOnCollectionItems);
Assert.Null(Record.Exception(() => entry1.AppendAnnotationsFrom(entry2)));
Assert.Equal(5, entry1.Annotations.Count);
var expectedItemsCount = new List <Type>
{
typeof(Label), typeof(ByteAnnotation), typeof(Comment),
typeof(OpcodeAnnotation), typeof(MarkAnnotation)
}.ToDictionary(item => item, _ => 0);
foreach (var item in entry1.Annotations)
{
var currentTotal = ++expectedItemsCount[item.GetType()];
Assert.True(currentTotal <= 1);
}
var anyNotOne = expectedItemsCount.Any(pair => pair.Value != 1);
Assert.False(anyNotOne);
}