internal TypePartialMetaInfo(NamedTypeMetaInfo source, ITypeSymbolProvider analysis, SyntaxModelPair syntaxPair, Func <ISymbol, bool>?memberPredicate, CancellationToken ct)
{
var attributeListing = syntaxPair.Syntax.GetAttributes(source.Symbol);
_attributeLookup = attributeListing.Locations;
Full = source;
Location = syntaxPair.Syntax.GetLocation();
Attributes = attributeListing.Lists;
Members = GetUnderlyingMembers();
IReadOnlyList <MemberMetaInfo> GetUnderlyingMembers()
{
var members = new List <MemberMetaInfo>();
foreach (var member in syntaxPair.Syntax.Members)
{
var symbol = syntaxPair.Model.GetDeclaredSymbol(member, ct);
// Filter out null symbols and symbols that are not enlisted for interest
if (symbol is null || !(memberPredicate?.Invoke(symbol) ?? true))
{
continue;
}
// We don't support partial method, so we ignore symbols that are not impl.
// In future versions when we have use cases that can benefit from partial, then we should consider adding Attributes to the DefinitionPart
// Adding to the commented "DeclaringAttribute" part
if (symbol is IMethodSymbol method && method.PartialImplementationPart != null && method.PartialDefinitionPart is null && member.Modifiers.Any(SyntaxKind.PartialKeyword))
{
continue;
}
members.Add(new MemberMetaInfo(this, member, analysis, symbol));
}
return(members);
}
}
private NamedTypeMetaInfo(NamedTypeMetaInfo source, INamedTypeSymbol newSymbol)
{
_analysis = source._analysis;
Symbol = newSymbol;
IsPartial = source.IsPartial;
FirstLocation = source.FirstLocation;
Attributes = source.Attributes;
Declarations = source.Declarations.Select(x => new TypePartialMetaInfo(this, x, newSymbol)).ToList();
Members = Declarations.SelectMany(x => x.Members).ToList();
GenericDefinition = source;
}
internal TypePartialMetaInfo(NamedTypeMetaInfo parent, TypePartialMetaInfo source, INamedTypeSymbol newSymbol)
{
if (!newSymbol.ConstructedFrom.Equals(source.Full.Symbol, SymbolEqualityComparer.Default))
{
throw new ArgumentException($"New symbol '{newSymbol}' is not a construction of the generic definition from the source symbol '{source.Full.Symbol}'", nameof(newSymbol));
}
var memberLookup = newSymbol.GetMembers().ToDictionary(x => x.OriginalDefinition, x => x, SymbolEqualityComparer.Default);
_attributeLookup = source._attributeLookup;
Full = parent;
Location = source.Location;
Attributes = source.Attributes;
Members = source.Members.Select(x => new MemberMetaInfo(this, x, memberLookup[x.Symbol])).ToList();
}
public bool Equals(NamedTypeMetaInfo other) => other.Symbol.Equals(Symbol, SymbolEqualityComparer.Default);