public SourceEventAccessorSymbol(
SourceEventSymbol @event,
SyntaxReference syntaxReference,
ImmutableArray <Location> locations,
EventSymbol explicitlyImplementedEventOpt,
string aliasQualifierOpt,
bool isAdder,
bool isIterator,
bool isNullableAnalysisEnabled
) : base(@event.containingType, syntaxReference, locations, isIterator)
{
_event = @event;
string name;
ImmutableArray <MethodSymbol> explicitInterfaceImplementations;
if ((object)explicitlyImplementedEventOpt == null)
{
name = SourceEventSymbol.GetAccessorName(@event.Name, isAdder);
explicitInterfaceImplementations = ImmutableArray <MethodSymbol> .Empty;
}
else
{
MethodSymbol implementedAccessor = isAdder
? explicitlyImplementedEventOpt.AddMethod
: explicitlyImplementedEventOpt.RemoveMethod;
string accessorName =
(object)implementedAccessor != null
? implementedAccessor.Name
: SourceEventSymbol.GetAccessorName(
explicitlyImplementedEventOpt.Name,
isAdder
);
name = ExplicitInterfaceHelpers.GetMemberName(
accessorName,
explicitlyImplementedEventOpt.ContainingType,
aliasQualifierOpt
);
explicitInterfaceImplementations =
(object)implementedAccessor == null
? ImmutableArray <MethodSymbol> .Empty
: ImmutableArray.Create <MethodSymbol>(implementedAccessor);
}
_explicitInterfaceImplementations = explicitInterfaceImplementations;
this.MakeFlags(
isAdder ? MethodKind.EventAdd : MethodKind.EventRemove,
@event.Modifiers,
returnsVoid: false, // until we learn otherwise (in LazyMethodChecks).
isExtensionMethod: false,
isNullableAnalysisEnabled: isNullableAnalysisEnabled,
isMetadataVirtualIgnoringModifiers: @event.IsExplicitInterfaceImplementation
);
_name = GetOverriddenAccessorName(@event, isAdder) ?? name;
}
internal SynthesizedFieldLikeEventAccessorSymbol(SourceFieldLikeEventSymbol @event, bool isAdder)
: base(@event, null, null, @event.Locations)
{
this.flags = MakeFlags(
isAdder ? MethodKind.EventAdd : MethodKind.EventRemove,
@event.Modifiers,
returnsVoid: false, // until we learn otherwise (in LazyMethodChecks).
isExtensionMethod: false,
isMetadataVirtualIgnoringModifiers: false);
this.name = GetOverriddenAccessorName(@event, isAdder) ??
SourceEventSymbol.GetAccessorName(@event.Name, isAdder);
}
internal SourceCustomEventAccessorSymbol(
SourceEventSymbol @event,
AccessorDeclarationSyntax syntax,
EventSymbol explicitlyImplementedEventOpt,
string aliasQualifierOpt,
DiagnosticBag diagnostics)
: base(@event,
syntax.GetReference(),
syntax.Body.GetReferenceOrNull(),
ImmutableArray.Create(syntax.Keyword.GetLocation()))
{
Debug.Assert(syntax != null);
Debug.Assert(syntax.Kind == SyntaxKind.AddAccessorDeclaration || syntax.Kind == SyntaxKind.RemoveAccessorDeclaration);
bool isAdder = syntax.Kind == SyntaxKind.AddAccessorDeclaration;
string name;
ImmutableArray <MethodSymbol> explicitInterfaceImplementations;
if ((object)explicitlyImplementedEventOpt == null)
{
name = SourceEventSymbol.GetAccessorName(@event.Name, isAdder);
explicitInterfaceImplementations = ImmutableArray <MethodSymbol> .Empty;
}
else
{
MethodSymbol implementedAccessor = isAdder ? explicitlyImplementedEventOpt.AddMethod : explicitlyImplementedEventOpt.RemoveMethod;
string accessorName = (object)implementedAccessor != null ? implementedAccessor.Name : SourceEventSymbol.GetAccessorName(explicitlyImplementedEventOpt.Name, isAdder);
name = ExplicitInterfaceHelpers.GetMemberName(accessorName, explicitlyImplementedEventOpt.ContainingType, aliasQualifierOpt);
explicitInterfaceImplementations = (object)implementedAccessor == null ? ImmutableArray <MethodSymbol> .Empty : ImmutableArray.Create <MethodSymbol>(implementedAccessor);
}
this.explicitInterfaceImplementations = explicitInterfaceImplementations;
this.name = name;
this.flags = MakeFlags(
isAdder ? MethodKind.EventAdd : MethodKind.EventRemove,
@event.Modifiers,
returnsVoid: false, // until we learn otherwise (in LazyMethodChecks).
isExtensionMethod: false,
isMetadataVirtualIgnoringModifiers: explicitInterfaceImplementations.Any());
if (@event.ContainingType.IsInterface)
{
diagnostics.Add(ErrorCode.ERR_EventPropertyInInterface, this.Location);
}
else
{
var bodyOpt = syntax.Body;
if (bodyOpt != null)
{
if (IsExtern && !IsAbstract)
{
diagnostics.Add(ErrorCode.ERR_ExternHasBody, this.Location, this);
}
else if (IsAbstract && !IsExtern)
{
diagnostics.Add(ErrorCode.ERR_AbstractHasBody, this.Location, this);
}
// Do not report error for IsAbstract && IsExtern. Dev10 reports CS0180 only
// in that case ("member cannot be both extern and abstract").
}
}
this.name = GetOverriddenAccessorName(@event, isAdder) ?? this.name;
}
