internal override ImmutableArray <NamedTypeSymbol> GetDeclaredInterfaces(ConsList <Symbol> basesBeingResolved)
{
var ifaces = new HashSet <NamedTypeSymbol>();
foreach (var i in _syntax.ImplementsList)
{
var t = (NamedTypeSymbol)DeclaringCompilation.GetTypeByMetadataName(i.ClassName.ClrName())
?? new MissingMetadataTypeSymbol(i.ClassName.ClrName(), 0, false);
if (t.Arity != 0)
{
throw new NotImplementedException(); // generics
}
ifaces.Add(t);
}
// __invoke => IPhpCallable
if (IsInvokable)
{
ifaces.Add(DeclaringCompilation.CoreTypes.IPhpCallable);
}
//
return(ifaces.AsImmutable());
}
NamedTypeSymbol ResolveBaseType(DiagnosticBag diagnostics)
{
NamedTypeSymbol btype;
if (_syntax.BaseClass != null)
{
var baseTypeName = _syntax.BaseClass.ClassName;
if (baseTypeName == this.MakeQualifiedName())
{
// TODO: Err diagnostics
throw new NotImplementedException($"cycle in class hierarchy, {this.MakeQualifiedName()} extends itself.");
}
btype = (NamedTypeSymbol)DeclaringCompilation.GetTypeByMetadataName(baseTypeName.ClrName())
?? new MissingMetadataTypeSymbol(baseTypeName.ClrName(), 0, false);
if (btype.Arity != 0)
{
// TODO: Err diagnostics
throw new NotImplementedException($"Class {this.MakeQualifiedName()} extends a generic type {baseTypeName}."); // generics not supported yet
}
}
else if (!IsStatic && !IsInterface)
{
btype = DeclaringCompilation.CoreTypes.Object.Symbol;
}
else
{
btype = null;
}
//
return(btype);
}
