private EmbeddedType EmbedType(
NamedTypeSymbol namedType,
bool fromImplements,
CSharpSyntaxNode syntaxNodeOpt,
DiagnosticBag diagnostics)
{
Debug.Assert(namedType.IsDefinition);
EmbeddedType embedded = new EmbeddedType(this, namedType);
EmbeddedType cached = EmbeddedTypesMap.GetOrAdd(namedType, embedded);
bool isInterface = (namedType.IsInterface);
if (isInterface && fromImplements)
{
// Note, we must use 'cached' here because we might drop 'embedded' below.
cached.EmbedAllMembersOfImplementedInterface(syntaxNodeOpt, diagnostics);
}
if (embedded != cached)
{
return(cached);
}
// We do not expect this method to be called on a different thread once GetTypes is called.
// Therefore, the following check can be as simple as:
Debug.Assert(!IsFrozen, "Set of embedded types is frozen.");
var noPiaIndexer = new Cci.NoPiaReferenceIndexer(new Microsoft.CodeAnalysis.Emit.Context(ModuleBeingBuilt, syntaxNodeOpt, diagnostics));
// Make sure we embed all types referenced by the type declaration: implemented interfaces, etc.
noPiaIndexer.VisitTypeDefinitionNoMembers(embedded);
if (!isInterface)
{
Debug.Assert(namedType.TypeKind == TypeKind.Struct || namedType.TypeKind == TypeKind.Enum || namedType.TypeKind == TypeKind.Delegate);
// For structures, enums and delegates we embed all members.
if (namedType.TypeKind == TypeKind.Struct || namedType.TypeKind == TypeKind.Enum)
{
// TODO: When building debug versions in the IDE, the compiler will insert some extra members
// that support ENC. These make no sense in local types, so we will skip them. We have to
// check for them explicitly or they will trip the member-validity check that follows.
}
foreach (FieldSymbol f in namedType.GetFieldsToEmit())
{
EmbedField(embedded, f, syntaxNodeOpt, diagnostics);
}
foreach (MethodSymbol m in namedType.GetMethodsToEmit())
{
if ((object)m != null)
{
EmbedMethod(embedded, m, syntaxNodeOpt, diagnostics);
}
}
// We also should embed properties and events, but we don't need to do this explicitly here
// because accessors embed them automatically.
}
return(embedded);
}
protected void EmbedReferences(Cci.ITypeDefinitionMember embeddedMember, TSyntaxNode syntaxNodeOpt, DiagnosticBag diagnostics)
{
Cci.NoPiaReferenceIndexer noPiaIndexer = new Cci.NoPiaReferenceIndexer(new EmitContext(ModuleBeingBuilt, syntaxNodeOpt, diagnostics));
noPiaIndexer.Visit(embeddedMember);
}
protected void EmbedReferences(Cci.ITypeDefinitionMember embeddedMember, TSyntaxNode syntaxNodeOpt, DiagnosticBag diagnostics)
{
var noPiaIndexer = new Cci.NoPiaReferenceIndexer(new EmitContext(ModuleBeingBuilt, syntaxNodeOpt, diagnostics, metadataOnly: false, includePrivateMembers: true));
noPiaIndexer.Visit(embeddedMember);
}
