/// <summary>
/// Loops through all type forwarders in metadata, adding them to the given table
/// </summary>
private void PopulateTableWithExportedTypes(Dictionary <NamespaceDefinitionHandle, NamespaceDataBuilder> table)
{
Debug.Assert(table != null);
foreach (var exportedTypeHandle in _metadataReader.ExportedTypes)
{
ExportedType exportedType = _metadataReader.GetExportedType(exportedTypeHandle);
if (exportedType.Implementation.Kind == HandleKind.ExportedType)
{
continue; // skip nested exported types.
}
NamespaceDefinitionHandle namespaceHandle = exportedType.Namespace;
NamespaceDataBuilder builder;
if (table.TryGetValue(namespaceHandle, out builder))
{
builder.ExportedTypes.Add(exportedTypeHandle);
}
else
{
Debug.Assert(namespaceHandle.HasFullName);
StringHandle simpleName = GetSimpleName(namespaceHandle);
string fullName = _metadataReader.GetString(namespaceHandle);
var newData = new NamespaceDataBuilder(namespaceHandle, simpleName, fullName);
newData.ExportedTypes.Add(exportedTypeHandle);
table.Add(namespaceHandle, newData);
}
}
}
public void MergeInto(NamespaceDataBuilder other)
{
Parent = default(NamespaceDefinitionHandle);
other.Namespaces.AddRange(this.Namespaces);
other.TypeDefinitions.AddRange(this.TypeDefinitions);
other.ExportedTypes.AddRange(this.ExportedTypes);
}
/// <summary>
/// This will take 'table' and merge all of the NamespaceData instances that point to the same
/// namespace. It has to create 'stringTable' as an intermediate dictionary, so it will hand it
/// back to the caller should the caller want to use it.
/// </summary>
private static void MergeDuplicateNamespaces(Dictionary <NamespaceDefinitionHandle, NamespaceDataBuilder> table, out Dictionary <string, NamespaceDataBuilder> stringTable)
{
var namespaces = new Dictionary <string, NamespaceDataBuilder>();
List <KeyValuePair <NamespaceDefinitionHandle, NamespaceDataBuilder> >?remaps = null;
foreach (var group in table)
{
NamespaceDataBuilder data = group.Value;
NamespaceDataBuilder?existingRecord;
if (namespaces.TryGetValue(data.FullName, out existingRecord))
{
// Children should not exist until the next step.
Debug.Assert(data.Namespaces !.Count == 0);
data.MergeInto(existingRecord);
remaps ??= new List <KeyValuePair <NamespaceDefinitionHandle, NamespaceDataBuilder> >();
remaps.Add(new KeyValuePair <NamespaceDefinitionHandle, NamespaceDataBuilder>(group.Key, existingRecord));
}
else
{
namespaces.Add(data.FullName, data);
}
}
// Needs to be done outside of foreach (var group in table) to avoid modifying the dictionary while foreach'ing over it.
if (remaps != null)
{
foreach (var tuple in remaps)
{
table[tuple.Key] = tuple.Value;
}
}
stringTable = namespaces;
}
/// <summary>
/// Loops through all type definitions in metadata, adding them to the given table
/// </summary>
private void PopulateTableWithTypeDefinitions(Dictionary <NamespaceDefinitionHandle, NamespaceDataBuilder> table)
{
Debug.Assert(table != null);
foreach (var typeHandle in _metadataReader.TypeDefinitions)
{
TypeDefinition type = _metadataReader.GetTypeDefinition(typeHandle);
if (type.Attributes.IsNested())
{
continue;
}
NamespaceDefinitionHandle namespaceHandle = _metadataReader.TypeDefTable.GetNamespace(typeHandle);
NamespaceDataBuilder builder;
if (table.TryGetValue(namespaceHandle, out builder))
{
builder.TypeDefinitions.Add(typeHandle);
}
else
{
StringHandle name = GetSimpleName(namespaceHandle);
string fullName = _metadataReader.GetString(namespaceHandle);
var newData = new NamespaceDataBuilder(namespaceHandle, name, fullName);
newData.TypeDefinitions.Add(typeHandle);
table.Add(namespaceHandle, newData);
}
}
}
/// <summary>
/// Quick convenience method that handles linking together child + parent
/// </summary>
private void LinkChildDataToParentData(NamespaceDataBuilder child, NamespaceDataBuilder parent)
{
Debug.Assert(child != null && parent != null);
Debug.Assert(!child.Handle.IsNil);
child.Parent = parent.Handle;
parent.Namespaces.Add(child.Handle);
}
/// <summary>
/// Links a child to its parent namespace. If the parent namespace doesn't exist, this will create a
/// synthetic one. This will automatically link any synthetic namespaces it creates up to its parents.
/// </summary>
private void LinkChildToParentNamespace(Dictionary <string, NamespaceDataBuilder> existingNamespaces,
NamespaceDataBuilder realChild,
ref List <NamespaceDataBuilder> syntheticNamespaces)
{
Debug.Assert(realChild.Handle.HasFullName);
string childName = realChild.FullName;
var child = realChild;
// The condition for this loop is very complex -- essentially, we keep going
// until we:
// A. Encounter the root namespace as 'child'
// B. Find a preexisting namespace as 'parent'
while (true)
{
int lastIndex = childName.LastIndexOf('.');
string parentName;
if (lastIndex == -1)
{
if (childName.Length == 0)
{
return;
}
else
{
parentName = String.Empty;
}
}
else
{
parentName = childName.Substring(0, lastIndex);
}
NamespaceDataBuilder parentData;
if (existingNamespaces.TryGetValue(parentName, out parentData))
{
LinkChildDataToParentData(child, parentData);
return;
}
if (syntheticNamespaces != null)
{
foreach (var data in syntheticNamespaces)
{
if (data.FullName == parentName)
{
LinkChildDataToParentData(child, data);
return;
}
}
}
else
{
syntheticNamespaces = new List <NamespaceDataBuilder>();
}
var syntheticParent = SynthesizeNamespaceData(parentName, realChild.Handle);
LinkChildDataToParentData(child, syntheticParent);
syntheticNamespaces.Add(syntheticParent);
childName = syntheticParent.FullName;
child = syntheticParent;
}
}
public void MergeInto(NamespaceDataBuilder other)
{
Parent = default(NamespaceDefinitionHandle);
other.Namespaces.AddRange(this.Namespaces);
other.TypeDefinitions.AddRange(this.TypeDefinitions);
other.ExportedTypes.AddRange(this.ExportedTypes);
}
/// <summary>
/// Loops through all type forwarders in metadata, adding them to the given table
/// </summary>
private void PopulateTableWithExportedTypes(Dictionary<NamespaceDefinitionHandle, NamespaceDataBuilder> table)
{
Debug.Assert(table != null);
foreach (var exportedTypeHandle in _metadataReader.ExportedTypes)
{
ExportedType exportedType = _metadataReader.GetExportedType(exportedTypeHandle);
if (exportedType.Implementation.Kind == HandleKind.ExportedType)
{
continue; // skip nested exported types.
}
NamespaceDefinitionHandle namespaceHandle = exportedType.NamespaceDefinition;
NamespaceDataBuilder builder;
if (table.TryGetValue(namespaceHandle, out builder))
{
builder.ExportedTypes.Add(exportedTypeHandle);
}
else
{
Debug.Assert(namespaceHandle.HasFullName);
StringHandle simpleName = GetSimpleName(namespaceHandle);
string fullName = _metadataReader.GetString(namespaceHandle);
var newData = new NamespaceDataBuilder(namespaceHandle, simpleName, fullName);
newData.ExportedTypes.Add(exportedTypeHandle);
table.Add(namespaceHandle, newData);
}
}
}
/// <summary>
/// Loops through all type definitions in metadata, adding them to the given table
/// </summary>
private void PopulateTableWithTypeDefinitions(Dictionary<NamespaceDefinitionHandle, NamespaceDataBuilder> table)
{
Debug.Assert(table != null);
foreach (var typeHandle in _metadataReader.TypeDefinitions)
{
TypeDefinition type = _metadataReader.GetTypeDefinition(typeHandle);
if (type.Attributes.IsNested())
{
continue;
}
NamespaceDefinitionHandle namespaceHandle = _metadataReader.TypeDefTable.GetNamespaceDefinition(typeHandle);
NamespaceDataBuilder builder;
if (table.TryGetValue(namespaceHandle, out builder))
{
builder.TypeDefinitions.Add(typeHandle);
}
else
{
StringHandle name = GetSimpleName(namespaceHandle);
string fullName = _metadataReader.GetString(namespaceHandle);
var newData = new NamespaceDataBuilder(namespaceHandle, name, fullName);
newData.TypeDefinitions.Add(typeHandle);
table.Add(namespaceHandle, newData);
}
}
}
/// <summary>
/// Links a child to its parent namespace. If the parent namespace doesn't exist, this will create a
/// synthetic one. This will automatically link any synthetic namespaces it creates up to its parents.
/// </summary>
private void LinkChildToParentNamespace(Dictionary<string, NamespaceDataBuilder> existingNamespaces,
NamespaceDataBuilder realChild,
ref List<NamespaceDataBuilder> syntheticNamespaces)
{
Debug.Assert(realChild.Handle.HasFullName);
string childName = realChild.FullName;
var child = realChild;
// The condition for this loop is very complex -- essentially, we keep going
// until we:
// A. Encounter the root namespace as 'child'
// B. Find a preexisting namespace as 'parent'
while (true)
{
int lastIndex = childName.LastIndexOf('.');
string parentName;
if (lastIndex == -1)
{
if (childName.Length == 0)
{
return;
}
else
{
parentName = String.Empty;
}
}
else
{
parentName = childName.Substring(0, lastIndex);
}
NamespaceDataBuilder parentData;
if (existingNamespaces.TryGetValue(parentName, out parentData))
{
LinkChildDataToParentData(child, parentData);
return;
}
if (syntheticNamespaces != null)
{
foreach (var data in syntheticNamespaces)
{
if (data.FullName == parentName)
{
LinkChildDataToParentData(child, data);
return;
}
}
}
else
{
syntheticNamespaces = new List<NamespaceDataBuilder>();
}
var syntheticParent = SynthesizeNamespaceData(parentName, realChild.Handle);
LinkChildDataToParentData(child, syntheticParent);
syntheticNamespaces.Add(syntheticParent);
childName = syntheticParent.FullName;
child = syntheticParent;
}
}
/// <summary>
/// Quick convenience method that handles linking together child + parent
/// </summary>
private void LinkChildDataToParentData(NamespaceDataBuilder child, NamespaceDataBuilder parent)
{
Debug.Assert(child != null && parent != null);
Debug.Assert(!child.Handle.IsNil);
child.Parent = parent.Handle;
parent.Namespaces.Add(child.Handle);
}
