778var annotations = usesFieldKeyword ? field!.FlowAnalysisAnnotations : symbol.GetFlowAnalysisAnnotations(); 779if ((annotations & FlowAnalysisAnnotations.AllowNull) != 0) 797var badState = symbolType.Type.IsPossiblyNullableReferenceTypeTypeParameter() && (annotations & FlowAnalysisAnnotations.NotNull) == 0 1036var symbolAnnotations = property is SourcePropertySymbolBase { UsesFieldKeyword: true, BackingField: { } field } 1045var overriddenAnnotations = overriddenProperty.GetFlowAnalysisAnnotations(); 1293var annotations = parameter.FlowAnalysisAnnotations; 1294var hasNotNull = (annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull; 1355FlowAnalysisAnnotations annotations = parameter.FlowAnalysisAnnotations; 1358bool hasNotNullWhenTrue = (annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNullWhenTrue; 1359bool hasMaybeNullWhenFalse = (annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNullWhenFalse; 1366bool hasNotNullWhenFalse = (annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNullWhenFalse; 1367bool hasMaybeNullWhenTrue = (annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNullWhenTrue; 1410((method.FlowAnalysisAnnotations & FlowAnalysisAnnotations.DoesNotReturn) == FlowAnalysisAnnotations.DoesNotReturn) && 2357/// This should often be checked together with <seealso cref="IsDisallowedNullAssignment(TypeWithState, FlowAnalysisAnnotations)"/> 2470FlowAnalysisAnnotations overriddenAnnotations, 2472FlowAnalysisAnnotations overridingAnnotations, 2498bool overridingHasNotNull = (overridingAnnotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull; 2499bool overriddenHasNotNull = (overriddenAnnotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull; 2506bool overridingHasMaybeNull = (overridingAnnotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNull; 2507bool overriddenHasMaybeNull = (overriddenAnnotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNull; 2532var destAnnotationsWhen = ToInwardAnnotations(makeUnconditionalAnnotation(overriddenAnnotations, sense)); 2542static bool isBadAssignment(TypeWithState valueState, TypeWithAnnotations destinationType, FlowAnalysisAnnotations destinationAnnotations) 2560static FlowAnalysisAnnotations makeUnconditionalAnnotation(FlowAnalysisAnnotations annotations, bool sense) 2564var unconditionalAnnotationWhenTrue = makeUnconditionalAnnotationCore(annotations, FlowAnalysisAnnotations.NotNullWhenTrue, FlowAnalysisAnnotations.NotNull); 2565return makeUnconditionalAnnotationCore(unconditionalAnnotationWhenTrue, FlowAnalysisAnnotations.MaybeNullWhenTrue, FlowAnalysisAnnotations.MaybeNull); 2568var unconditionalAnnotationWhenFalse = makeUnconditionalAnnotationCore(annotations, FlowAnalysisAnnotations.NotNullWhenFalse, FlowAnalysisAnnotations.NotNull); 2569return makeUnconditionalAnnotationCore(unconditionalAnnotationWhenFalse, FlowAnalysisAnnotations.MaybeNullWhenFalse, FlowAnalysisAnnotations.MaybeNull); 2573static FlowAnalysisAnnotations makeUnconditionalAnnotationCore(FlowAnalysisAnnotations annotations, FlowAnalysisAnnotations conditionalAnnotation, FlowAnalysisAnnotations replacementAnnotation) 3003var parameterAnnotations = GetParameterAnnotations(parameter); 3020internal static TypeWithState GetParameterState(TypeWithAnnotations parameterType, FlowAnalysisAnnotations parameterAnnotations) 3022if ((parameterAnnotations & FlowAnalysisAnnotations.AllowNull) != 0) 3027if ((parameterAnnotations & FlowAnalysisAnnotations.DisallowNull) != 0) 3050TryGetReturnType(out TypeWithAnnotations returnType, out FlowAnalysisAnnotations returnAnnotations)) 3131private bool TryGetReturnType(out TypeWithAnnotations type, out FlowAnalysisAnnotations annotations) 3137annotations = FlowAnalysisAnnotations.None; 3148annotations = FlowAnalysisAnnotations.None; 3162annotations = FlowAnalysisAnnotations.None; 3167annotations = FlowAnalysisAnnotations.None; 4007var annotations = createMethod.GetFlowAnalysisAnnotations(); 5444out FlowAnalysisAnnotations parameterAnnotations) 5469FlowAnalysisAnnotations parameterAnnotations; 6501FlowAnalysisAnnotations annotations; 6995private FlowAnalysisAnnotations GetRValueAnnotations(Symbol? symbol) 7001return FlowAnalysisAnnotations.None; 7004var annotations = symbol.GetFlowAnalysisAnnotations(); 7005return annotations & (FlowAnalysisAnnotations.MaybeNull | FlowAnalysisAnnotations.NotNull); 7008private FlowAnalysisAnnotations GetParameterAnnotations(ParameterSymbol parameter) 7013return FlowAnalysisAnnotations.None; 7015var annotations = parameter.FlowAnalysisAnnotations; 7022bool hasNotNullWhenTrue = (annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNullWhenTrue; 7023bool hasNotNullWhenFalse = (annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNullWhenFalse; 7026annotations &= ~FlowAnalysisAnnotations.NotNull; 7030bool hasMaybeNullWhenTrue = (annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNullWhenTrue; 7031bool hasMaybeNullWhenFalse = (annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNullWhenFalse; 7034annotations &= ~FlowAnalysisAnnotations.MaybeNull; 7045private static TypeWithAnnotations ApplyLValueAnnotations(TypeWithAnnotations declaredType, FlowAnalysisAnnotations flowAnalysisAnnotations) 7047if ((flowAnalysisAnnotations & FlowAnalysisAnnotations.DisallowNull) == FlowAnalysisAnnotations.DisallowNull) 7051else if ((flowAnalysisAnnotations & FlowAnalysisAnnotations.AllowNull) == FlowAnalysisAnnotations.AllowNull) 7062private static TypeWithState ApplyUnconditionalAnnotations(TypeWithState typeWithState, FlowAnalysisAnnotations annotations) 7064if ((annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull) 7069if ((annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNull) 7077private static TypeWithAnnotations ApplyUnconditionalAnnotations(TypeWithAnnotations declaredType, FlowAnalysisAnnotations annotations) 7079if ((annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNull) 7084if ((annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull) 7300(ParameterSymbol? parameter, TypeWithAnnotations parameterType, FlowAnalysisAnnotations parameterAnnotations, bool isExpandedParamsArgument) = 7376(ParameterSymbol? parameter, TypeWithAnnotations parameterType, FlowAnalysisAnnotations parameterAnnotations, _) = 7407if (!IsAnalyzingAttribute && method is not null && (method.FlowAnalysisAnnotations & FlowAnalysisAnnotations.DoesNotReturn) == FlowAnalysisAnnotations.DoesNotReturn) 7675ImmutableArray<FlowAnalysisAnnotations> parameterAnnotationsOpt, 7707private ImmutableArray<FlowAnalysisAnnotations> GetParametersAnnotations(ImmutableArray<BoundExpression> arguments, ImmutableArray<ParameterSymbol> parametersOpt, ImmutableArray<int> argsToParamsOpt, bool expanded) 7709ImmutableArray<FlowAnalysisAnnotations> parameterAnnotationsOpt = default; 7735private VisitResult VisitArgumentEvaluate(BoundExpression argument, RefKind refKind, FlowAnalysisAnnotations annotations) 7747private VisitResult VisitArgumentEvaluateEpilogue(BoundExpression argument, RefKind refKind, FlowAnalysisAnnotations annotations) 7758switch (annotations & (FlowAnalysisAnnotations.DoesNotReturnIfTrue | FlowAnalysisAnnotations.DoesNotReturnIfFalse)) 7760case FlowAnalysisAnnotations.DoesNotReturnIfTrue: 7767case FlowAnalysisAnnotations.DoesNotReturnIfFalse: 7805FlowAnalysisAnnotations parameterAnnotations, 7887private bool CheckDisallowedNullAssignment(TypeWithState state, FlowAnalysisAnnotations annotations, SyntaxNode node, BoundExpression? boundValueOpt = null) 7905private static bool IsDisallowedNullAssignment(TypeWithState valueState, FlowAnalysisAnnotations targetAnnotations) 7907return ((targetAnnotations & FlowAnalysisAnnotations.DisallowNull) != 0) && 7942FlowAnalysisAnnotations parameterAnnotations, 7977var leftAnnotations = GetLValueAnnotations(argument); 7996var leftAnnotations = GetLValueAnnotations(argument); 8035FlowAnalysisAnnotations notNullBasedOnParameters(FlowAnalysisAnnotations parameterAnnotations, ArrayBuilder<ParameterSymbol>? notNullParametersOpt, ParameterSymbol parameter) 8046return FlowAnalysisAnnotations.NotNull; 8054void trackNullableStateForAssignment(BoundExpression parameterValue, TypeWithAnnotations lValueType, int targetSlot, TypeWithState parameterWithState, bool isSuppressed, FlowAnalysisAnnotations parameterAnnotations) 8079static bool hasConditionalPostCondition(FlowAnalysisAnnotations annotations) 8081return (((annotations & FlowAnalysisAnnotations.MaybeNullWhenTrue) != 0) ^ ((annotations & FlowAnalysisAnnotations.MaybeNullWhenFalse) != 0)) || 8082(((annotations & FlowAnalysisAnnotations.NotNullWhenTrue) != 0) ^ ((annotations & FlowAnalysisAnnotations.NotNullWhenFalse) != 0)); 8085static TypeWithState applyPostConditionsUnconditionally(TypeWithState typeWithState, FlowAnalysisAnnotations annotations) 8087if ((annotations & FlowAnalysisAnnotations.MaybeNull) != 0) 8093if ((annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull) 8102static TypeWithState applyPostConditionsWhenTrue(TypeWithState typeWithState, FlowAnalysisAnnotations annotations) 8104bool notNullWhenTrue = (annotations & FlowAnalysisAnnotations.NotNullWhenTrue) != 0; 8105bool maybeNullWhenTrue = (annotations & FlowAnalysisAnnotations.MaybeNullWhenTrue) != 0; 8106bool maybeNullWhenFalse = (annotations & FlowAnalysisAnnotations.MaybeNullWhenFalse) != 0; 8121static TypeWithState applyPostConditionsWhenFalse(TypeWithState typeWithState, FlowAnalysisAnnotations annotations) 8123bool notNullWhenFalse = (annotations & FlowAnalysisAnnotations.NotNullWhenFalse) != 0; 8124bool maybeNullWhenTrue = (annotations & FlowAnalysisAnnotations.MaybeNullWhenTrue) != 0; 8125bool maybeNullWhenFalse = (annotations & FlowAnalysisAnnotations.MaybeNullWhenFalse) != 0; 8144private void LearnFromPostConditions(BoundExpression argument, FlowAnalysisAnnotations parameterAnnotations) 8147bool notNullWhenTrue = (parameterAnnotations & FlowAnalysisAnnotations.NotNullWhenTrue) != 0; 8148bool notNullWhenFalse = (parameterAnnotations & FlowAnalysisAnnotations.NotNullWhenFalse) != 0; 8151bool maybeNullWhenTrue = (parameterAnnotations & FlowAnalysisAnnotations.MaybeNullWhenTrue) != 0; 8152bool maybeNullWhenFalse = (parameterAnnotations & FlowAnalysisAnnotations.MaybeNullWhenFalse) != 0; 8237private (ParameterSymbol? Parameter, TypeWithAnnotations Type, FlowAnalysisAnnotations Annotations, bool isExpandedParamsArgument) GetCorrespondingParameter( 8265return (parameter, paramsIterationType, FlowAnalysisAnnotations.None, isExpandedParamsArgument: true); 9876var parameterAnnotations = GetParameterAnnotations(parameter); 10453FlowAnalysisAnnotations leftAnnotations; 10512var annotations = IsAnalyzingAttribute ? FlowAnalysisAnnotations.None : property.GetFlowAnalysisAnnotations(); 10543private FlowAnalysisAnnotations GetLValueAnnotations(BoundExpression expr) 10551return FlowAnalysisAnnotations.None; 10554var annotations = expr switch 10560=> ToInwardAnnotations(GetParameterAnnotations(parameter) & ~FlowAnalysisAnnotations.NotNull), // NotNull is enforced upon method exit 10561_ => FlowAnalysisAnnotations.None 10564return annotations & (FlowAnalysisAnnotations.DisallowNull | FlowAnalysisAnnotations.AllowNull); 10567private static FlowAnalysisAnnotations GetFieldAnnotations(FieldSymbol field) 10574private FlowAnalysisAnnotations GetObjectInitializerMemberLValueAnnotations(Symbol memberSymbol) 10580return FlowAnalysisAnnotations.None; 10583var annotations = memberSymbol switch { PropertySymbol prop => prop.GetFlowAnalysisAnnotations(), FieldSymbol field => GetFieldAnnotations(field), _ => FlowAnalysisAnnotations.None }; 10585return annotations & (FlowAnalysisAnnotations.DisallowNull | FlowAnalysisAnnotations.AllowNull); 10588private static FlowAnalysisAnnotations ToInwardAnnotations(FlowAnalysisAnnotations outwardAnnotations) 10590var annotations = FlowAnalysisAnnotations.None; 10591if ((outwardAnnotations & FlowAnalysisAnnotations.MaybeNull) != 0) 10594annotations |= FlowAnalysisAnnotations.AllowNull; 10596if ((outwardAnnotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull) 10599annotations |= FlowAnalysisAnnotations.DisallowNull; 10787var leftAnnotations = GetLValueAnnotations(variable.Expression); 11218var leftArgumentAnnotations = GetLValueAnnotations(node.Left); 11349FlowAnalysisAnnotations memberAnnotations = GetRValueAnnotations(updatedProperty); 11465var memberAnnotations = GetRValueAnnotations(member);

150public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

193public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => BaseMethod.ReturnTypeFlowAnalysisAnnotations; 197public sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

44public override FlowAnalysisAnnotations FlowAnalysisAnnotations 45=> FlowAnalysisAnnotations.None;

104public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

175public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 179public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

70public abstract FlowAnalysisAnnotations FlowAnalysisAnnotations { get; }

845public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 847public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

88internal override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

53public bool SetFlowAnalysisAnnotations(FlowAnalysisAnnotations value) 55Debug.Assert((value & ~(FlowAnalysisAnnotations.DisallowNull | FlowAnalysisAnnotations.AllowNull | FlowAnalysisAnnotations.MaybeNull | FlowAnalysisAnnotations.NotNull)) == 0); 58if ((value & FlowAnalysisAnnotations.DisallowNull) != 0) bitsToSet |= PackedFlags.HasDisallowNullAttribute; 59if ((value & FlowAnalysisAnnotations.AllowNull) != 0) bitsToSet |= PackedFlags.HasAllowNullAttribute; 60if ((value & FlowAnalysisAnnotations.MaybeNull) != 0) bitsToSet |= PackedFlags.HasMaybeNullAttribute; 61if ((value & FlowAnalysisAnnotations.NotNull) != 0) bitsToSet |= PackedFlags.HasNotNullAttribute; 66public bool TryGetFlowAnalysisAnnotations(out FlowAnalysisAnnotations value) 69value = FlowAnalysisAnnotations.None; 70if ((theBits & PackedFlags.HasDisallowNullAttribute) != 0) value |= FlowAnalysisAnnotations.DisallowNull; 71if ((theBits & PackedFlags.HasAllowNullAttribute) != 0) value |= FlowAnalysisAnnotations.AllowNull; 72if ((theBits & PackedFlags.HasMaybeNullAttribute) != 0) value |= FlowAnalysisAnnotations.MaybeNull; 73if ((theBits & PackedFlags.HasNotNullAttribute) != 0) value |= FlowAnalysisAnnotations.NotNull; 401public override FlowAnalysisAnnotations FlowAnalysisAnnotations 405FlowAnalysisAnnotations value; 415private static FlowAnalysisAnnotations DecodeFlowAnalysisAttributes(PEModule module, FieldDefinitionHandle handle) 417FlowAnalysisAnnotations annotations = FlowAnalysisAnnotations.None; 418if (module.HasAttribute(handle, AttributeDescription.AllowNullAttribute)) annotations |= FlowAnalysisAnnotations.AllowNull; 419if (module.HasAttribute(handle, AttributeDescription.DisallowNullAttribute)) annotations |= FlowAnalysisAnnotations.DisallowNull; 420if (module.HasAttribute(handle, AttributeDescription.MaybeNullAttribute)) annotations |= FlowAnalysisAnnotations.MaybeNull; 421if (module.HasAttribute(handle, AttributeDescription.NotNullAttribute)) annotations |= FlowAnalysisAnnotations.NotNull;

666public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => Signature.ReturnParam.FlowAnalysisAnnotations; 670public override FlowAnalysisAnnotations FlowAnalysisAnnotations 681return _packedFlags.DoesNotReturn ? FlowAnalysisAnnotations.DoesNotReturn : FlowAnalysisAnnotations.None;

99Debug.Assert(EnumUtilities.ContainsAllValues<FlowAnalysisAnnotations>(FlowAnalysisAnnotationsMask)); 136public bool SetFlowAnalysisAnnotations(FlowAnalysisAnnotations value) 142public bool TryGetFlowAnalysisAnnotations(out FlowAnalysisAnnotations value) 145value = (FlowAnalysisAnnotations)((theBits >> FlowAnalysisAnnotationsOffset) & FlowAnalysisAnnotationsMask); 778internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 782FlowAnalysisAnnotations value; 792private static FlowAnalysisAnnotations DecodeFlowAnalysisAttributes(PEModule module, ParameterHandle handle) 794FlowAnalysisAnnotations annotations = FlowAnalysisAnnotations.None; 795if (module.HasAttribute(handle, AttributeDescription.AllowNullAttribute)) annotations |= FlowAnalysisAnnotations.AllowNull; 796if (module.HasAttribute(handle, AttributeDescription.DisallowNullAttribute)) annotations |= FlowAnalysisAnnotations.DisallowNull; 800annotations |= FlowAnalysisAnnotations.MaybeNull; 804annotations |= (when ? FlowAnalysisAnnotations.MaybeNullWhenTrue : FlowAnalysisAnnotations.MaybeNullWhenFalse); 809annotations |= FlowAnalysisAnnotations.NotNull; 813annotations |= (when ? FlowAnalysisAnnotations.NotNullWhenTrue : FlowAnalysisAnnotations.NotNullWhenFalse); 818annotations |= (condition ? FlowAnalysisAnnotations.DoesNotReturnIfTrue : FlowAnalysisAnnotations.DoesNotReturnIfFalse);

251public abstract FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations { get; } 258public abstract FlowAnalysisAnnotations FlowAnalysisAnnotations { get; }

407internal abstract FlowAnalysisAnnotations FlowAnalysisAnnotations { get; }

499public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => _reducedFrom.ReturnTypeFlowAnalysisAnnotations; 503public override FlowAnalysisAnnotations FlowAnalysisAnnotations => _reducedFrom.FlowAnalysisAnnotations;

79public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 83public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

91internal override FlowAnalysisAnnotations FlowAnalysisAnnotations { get { throw ExceptionUtilities.Unreachable(); } }

244public override FlowAnalysisAnnotations FlowAnalysisAnnotations 247private static FlowAnalysisAnnotations DecodeFlowAnalysisAttributes(FieldWellKnownAttributeData attributeData) 249var annotations = FlowAnalysisAnnotations.None; 252if (attributeData.HasAllowNullAttribute) annotations |= FlowAnalysisAnnotations.AllowNull; 253if (attributeData.HasDisallowNullAttribute) annotations |= FlowAnalysisAnnotations.DisallowNull; 254if (attributeData.HasMaybeNullAttribute) annotations |= FlowAnalysisAnnotations.MaybeNull; 255if (attributeData.HasNotNullAttribute) annotations |= FlowAnalysisAnnotations.NotNull;

148internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 150get { return FlowAnalysisAnnotations.None; }

144internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 152private static FlowAnalysisAnnotations DecodeFlowAnalysisAttributes(ParameterWellKnownAttributeData attributeData) 156return FlowAnalysisAnnotations.None; 158FlowAnalysisAnnotations annotations = FlowAnalysisAnnotations.None; 159if (attributeData.HasAllowNullAttribute) annotations |= FlowAnalysisAnnotations.AllowNull; 160if (attributeData.HasDisallowNullAttribute) annotations |= FlowAnalysisAnnotations.DisallowNull; 164annotations |= FlowAnalysisAnnotations.MaybeNull; 170annotations |= (when ? FlowAnalysisAnnotations.MaybeNullWhenTrue : FlowAnalysisAnnotations.MaybeNullWhenFalse); 176annotations |= FlowAnalysisAnnotations.NotNull; 182annotations |= (when ? FlowAnalysisAnnotations.NotNullWhenTrue : FlowAnalysisAnnotations.NotNullWhenFalse); 188annotations |= (condition ? FlowAnalysisAnnotations.DoesNotReturnIfTrue : FlowAnalysisAnnotations.DoesNotReturnIfFalse);

1255if ((baseMethod.FlowAnalysisAnnotations & FlowAnalysisAnnotations.DoesNotReturn) == FlowAnalysisAnnotations.DoesNotReturn && 1256(overrideMethod.FlowAnalysisAnnotations & FlowAnalysisAnnotations.DoesNotReturn) != FlowAnalysisAnnotations.DoesNotReturn)

108public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => 672public override FlowAnalysisAnnotations FlowAnalysisAnnotations 680private static FlowAnalysisAnnotations DecodeFlowAnalysisAttributes(MethodWellKnownAttributeData attributeData) 681=> attributeData?.HasDoesNotReturnAttribute == true ? FlowAnalysisAnnotations.DoesNotReturn : FlowAnalysisAnnotations.None; 1614private static FlowAnalysisAnnotations DecodeReturnTypeAnnotationAttributes(ReturnTypeWellKnownAttributeData attributeData) 1616FlowAnalysisAnnotations annotations = FlowAnalysisAnnotations.None; 1621annotations |= FlowAnalysisAnnotations.MaybeNull; 1625annotations |= FlowAnalysisAnnotations.NotNull;

355public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations 361return FlowAnalysisAnnotations.None; 364var result = FlowAnalysisAnnotations.None; 367result |= FlowAnalysisAnnotations.MaybeNull; 371result |= FlowAnalysisAnnotations.NotNull; 805var annotations = ReturnTypeFlowAnalysisAnnotations; 806if ((annotations & FlowAnalysisAnnotations.MaybeNull) != 0) 810if ((annotations & FlowAnalysisAnnotations.NotNull) != 0)

132internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 134get { return FlowAnalysisAnnotations.None; }

73internal sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations 75get { return FlowAnalysisAnnotations.None; }

437internal static FlowAnalysisAnnotations GetFlowAnalysisAnnotations(this PropertySymbol property) 439var annotations = property.GetOwnOrInheritedGetMethod()?.ReturnTypeFlowAnalysisAnnotations ?? FlowAnalysisAnnotations.None; 451annotations |= FlowAnalysisAnnotations.AllowNull; 455annotations |= FlowAnalysisAnnotations.DisallowNull; 462internal static FlowAnalysisAnnotations GetFlowAnalysisAnnotations(this Symbol? symbol) 470_ => FlowAnalysisAnnotations.None

34internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 38var result = FlowAnalysisAnnotations.None; 43result |= FlowAnalysisAnnotations.DisallowNull; 47result |= FlowAnalysisAnnotations.AllowNull; 91var annotations = FlowAnalysisAnnotations; 92if ((annotations & FlowAnalysisAnnotations.DisallowNull) != 0) 96if ((annotations & FlowAnalysisAnnotations.AllowNull) != 0)

134if (FlowAnalysisAnnotations != FlowAnalysisAnnotations.None)

167public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

145public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 149public sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

89public override FlowAnalysisAnnotations FlowAnalysisAnnotations 90=> FlowAnalysisAnnotations.None;

120public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 216public sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations 218get { return FlowAnalysisAnnotations.None; }

106public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

159public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

149public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

233public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 237public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

86public sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

120internal override FlowAnalysisAnnotations FlowAnalysisAnnotations 122get { return FlowAnalysisAnnotations.None; } 416internal override FlowAnalysisAnnotations FlowAnalysisAnnotations

197public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

163public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 167public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

143public override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => FlowAnalysisAnnotations.None; 147public override FlowAnalysisAnnotations FlowAnalysisAnnotations => FlowAnalysisAnnotations.None;

40public static TypeWithState Create(TypeWithAnnotations typeWithAnnotations, FlowAnalysisAnnotations annotations = FlowAnalysisAnnotations.None) 48if ((annotations & FlowAnalysisAnnotations.MaybeNull) == FlowAnalysisAnnotations.MaybeNull) 52else if ((annotations & FlowAnalysisAnnotations.NotNull) == FlowAnalysisAnnotations.NotNull)

47public override FlowAnalysisAnnotations FlowAnalysisAnnotations

322public sealed override FlowAnalysisAnnotations ReturnTypeFlowAnalysisAnnotations => UnderlyingMethod.ReturnTypeFlowAnalysisAnnotations; 326public sealed override FlowAnalysisAnnotations FlowAnalysisAnnotations => UnderlyingMethod.FlowAnalysisAnnotations;

144internal override FlowAnalysisAnnotations FlowAnalysisAnnotations