internal static ObsoleteDiagnosticKind ReportDiagnosticsIfObsoleteInternal(DiagnosticBag diagnostics, Symbol symbol, SyntaxNodeOrToken node, Symbol containingMember, BinderFlags location)
{
Debug.Assert(diagnostics != null);
var kind = ObsoleteAttributeHelpers.GetObsoleteDiagnosticKind(symbol, containingMember);
DiagnosticInfo info = null;
switch (kind)
{
case ObsoleteDiagnosticKind.Diagnostic:
info = ObsoleteAttributeHelpers.CreateObsoleteDiagnostic(symbol, location);
break;
case ObsoleteDiagnosticKind.Lazy:
case ObsoleteDiagnosticKind.LazyPotentiallySuppressed:
info = new LazyObsoleteDiagnosticInfo(symbol, containingMember, location);
break;
}
if (info != null)
{
diagnostics.Add(info, node.GetLocation());
}
return(kind);
}
internal override DiagnosticInfo GetResolvedInfo()
{
if (_lazyActualObsoleteDiagnostic == null)
{
// A symbol's Obsoleteness may not have been calculated yet if the symbol is coming
// from a different compilation's source. In that case, force completion of attributes.
var symbol =
(_symbolOrSymbolWithAnnotations as Symbol)
?? ((TypeWithAnnotations)_symbolOrSymbolWithAnnotations).Type;
symbol.ForceCompleteObsoleteAttribute();
var kind = ObsoleteAttributeHelpers.GetObsoleteDiagnosticKind(
symbol,
_containingSymbol,
forceComplete: true
);
Debug.Assert(kind != ObsoleteDiagnosticKind.Lazy);
Debug.Assert(kind != ObsoleteDiagnosticKind.LazyPotentiallySuppressed);
var info =
(kind == ObsoleteDiagnosticKind.Diagnostic)
? ObsoleteAttributeHelpers.CreateObsoleteDiagnostic(symbol, _binderFlags)
: null;
// If this symbol is not obsolete or is in an obsolete context, we don't want to report any diagnostics.
// Therefore make this a Void diagnostic.
Interlocked.CompareExchange(
ref _lazyActualObsoleteDiagnostic,
info ?? CSDiagnosticInfo.VoidDiagnosticInfo,
null
);
}
return(_lazyActualObsoleteDiagnostic);
}
protected override DiagnosticInfo ResolveInfo()
{
// A symbol's Obsoleteness may not have been calculated yet if the symbol is coming
// from a different compilation's source. In that case, force completion of attributes.
var symbol = (_symbolOrSymbolWithAnnotations as Symbol) ?? ((TypeWithAnnotations)_symbolOrSymbolWithAnnotations).Type;
symbol.ForceCompleteObsoleteAttribute();
var kind = ObsoleteAttributeHelpers.GetObsoleteDiagnosticKind(symbol, _containingSymbol, forceComplete: true);
Debug.Assert(kind != ObsoleteDiagnosticKind.Lazy);
Debug.Assert(kind != ObsoleteDiagnosticKind.LazyPotentiallySuppressed);
// If this symbol is not obsolete or is in an obsolete context, we don't want to report any diagnostics.
// Therefore return null.
return((kind == ObsoleteDiagnosticKind.Diagnostic) ?
ObsoleteAttributeHelpers.CreateObsoleteDiagnostic(symbol, _binderFlags) :
null);
}