39 references to MaybeNull
Microsoft.CodeAnalysis.CSharp (33)
FlowAnalysis\NullableWalker.cs (21)
799: NullableFlowState.MaybeNull; 855SetState(ref this.State, memberSlot, type.Type.IsPossiblyNullableReferenceTypeTypeParameter() ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull); 1182SetState(ref this.State, memberSlot, NullableFlowState.MaybeNull); 2379case NullableFlowState.MaybeNull: 2740NullableFlowState value = isDefaultValue ? NullableFlowState.MaybeNull : fieldOrPropertyType.ToTypeWithState().State; 4210resultState = NullableFlowState.MaybeNull; 5082resultState = NullableFlowState.MaybeNull; // Delegate removal can produce null. 5731SetState(ref state, slot, NullableFlowState.MaybeNull); 9630resultState = targetType?.IsTypeParameterDisallowingAnnotationInCSharp8() == true ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 9642case NullableFlowState.MaybeNull: 9654return (annotation == NullableAnnotation.Annotated) ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 9661return NullableFlowState.MaybeNull; 9674if (state == NullableFlowState.MaybeNull) 9689return (annotation == NullableAnnotation.Annotated) ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 9702if (state == NullableFlowState.MaybeNull) 9712if (state == NullableFlowState.MaybeNull) 12505node.IsAddition ? GetState(ref this.State, memberSlot).Meet(ResultType.State) : NullableFlowState.MaybeNull); 13255(true, false) => NullableFlowState.MaybeNull, 13284NullableFlowState.MaybeNull => (true, false), 13383var mayBeNull = GetValue(i) is NullableFlowState.MaybeNull or NullableFlowState.MaybeDefault; 13414NullableFlowState.MaybeNull => "?",
Symbols\ConstraintsHelper.cs (4)
1237return type.IsNullableTypeOrTypeParameter() ? NullableFlowState.MaybeNull : NullableFlowState.NotNull; 1242return type.IsTypeParameterDisallowingAnnotationInCSharp8() ? NullableFlowState.MaybeDefault : NullableFlowState.MaybeNull; 1264return result ?? NullableFlowState.MaybeNull; 1296return state == NullableFlowState.MaybeNull;
Symbols\NullableFlowStateExtensions.cs (3)
19/// The result is <see cref="NullableFlowState.MaybeNull"/> if either operand is that. 33CSharp.NullableFlowState.MaybeNull => CodeAnalysis.NullableFlowState.MaybeNull, 44CodeAnalysis.NullableFlowState.MaybeNull => CSharp.NullableFlowState.MaybeNull,
Symbols\TypeWithAnnotations.cs (3)
821return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeDefault, NullableAnnotation.NotAnnotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull }; 829return NullableFlowState.MaybeNull; 831return annotation switch { NullableAnnotation.Annotated => NullableFlowState.MaybeNull, _ => NullableFlowState.NotNull };
Symbols\TypeWithState.cs (2)
20public bool MayBeNull => State == NullableFlowState.MaybeNull; 36var state = defaultState != NullableFlowState.NotNull && type?.CanContainNull() != false ? NullableFlowState.MaybeNull : NullableFlowState.NotNull;
Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests (6)
Semantics\NullableReferenceTypesTests.cs (6)
126898var inputs = new[] { NullableFlowState.NotNull, NullableFlowState.MaybeNull }; 126904{ NullableFlowState.NotNull, NullableFlowState.MaybeNull }, 126905{ NullableFlowState.MaybeNull, NullableFlowState.MaybeNull }, 126930var inputs = new[] { NullableFlowState.NotNull, NullableFlowState.MaybeNull }; 126936{ NullableFlowState.NotNull, NullableFlowState.MaybeNull },