IsInterfaceType

Binder\Binder_Expressions.cs (2)

7106Debug.Assert(interfaceType.IsInterfaceType()); 8470if (!type.IsInterfaceType())

Binder\Binder_Lookup.cs (1)

852Debug.Assert(!type.IsInterfaceType() && type.TypeKind != TypeKind.TypeParameter);

Binder\Semantics\AccessCheck.cs (1)

571if (baseTypeIsInterface == current.IsInterfaceType() &&

Binder\Semantics\Conversions\ConversionsBase.cs (17)

969if (!baseType.IsInterfaceType()) 2572if (!destination.IsInterfaceType()) 2708if (!destination.IsInterfaceType()) 2724if (source.IsInterfaceType()) 2967if (!destination.IsInterfaceType()) 2994if (!baseType.IsInterfaceType()) 3100if (!s.IsInterfaceType() || !d.IsInterfaceType()) 3505if (source.IsClassType() && destination.IsInterfaceType() && !source.IsSealed && !HasAnyBaseInterfaceConversion(source, destination, ref useSiteInfo)) 3513if (source.IsInterfaceType() && destination.IsClassType() && (!destination.IsSealed || HasAnyBaseInterfaceConversion(destination, source, ref useSiteInfo))) 3523if (source.IsInterfaceType() && destination.IsInterfaceType() && !HasImplicitConversionToInterface(source, destination, ref useSiteInfo)) 3581if ((object)t != null && source.IsInterfaceType() && t.IsReferenceType) 3587if ((object)s != null && s.IsReferenceType && destination.IsInterfaceType() && !HasImplicitReferenceTypeParameterConversion(s, destination, ref useSiteInfo)) 3633if (source.IsInterfaceType() && (object)t != null && !t.IsReferenceType) 3639if ((object)s != null && !s.IsReferenceType && destination.IsInterfaceType() && !HasImplicitReferenceTypeParameterConversion(s, destination, ref useSiteInfo)) 3864if (source.IsInterfaceType() &&

Binder\Semantics\Conversions\UserDefinedExplicitConversions.cs (2)

210if ((object)source != null && source.IsInterfaceType() || target.IsInterfaceType())

Binder\Semantics\Conversions\UserDefinedImplicitConversions.cs (2)

243if ((object)source != null && source.IsInterfaceType() || (object)target != null && target.IsInterfaceType())

Binder\Semantics\Operators\BinaryOperatorOverloadResolution.cs (2)

80bool leftSourceIsInterface = leftOperatorSourceOpt?.IsInterfaceType() == true; 81bool rightSourceIsInterface = rightOperatorSourceOpt?.IsInterfaceType() == true;

Binder\Semantics\Operators\UnaryOperatorOverloadResolution.cs (1)

699if (declaringTypeOrTypeParameter.IsInterfaceType())

Binder\Semantics\OverloadResolution\OverloadResolution.cs (3)

1656if (currentType.IsInterfaceType() && type.IsInterfaceType() && currentType.AllInterfacesWithDefinitionUseSiteDiagnostics(ref useSiteInfo).Contains((NamedTypeSymbol)type)) 1734if (member.ContainingType.IsInterfaceType())

CodeGen\EmitExpression.cs (6)

3836else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfAlternative, TypeCompareKind.ConsiderEverything2)) 3860else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfConsequence, TypeCompareKind.ConsiderEverything2)) 3897else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfLeftValue, TypeCompareKind.ConsiderEverything2)) 3950if (!(expr.Type.IsInterfaceType() || expr.Type.IsDelegateType())) 4026(to.IsInterfaceType() && from.IsInterfaceType() && !from.InterfacesAndTheirBaseInterfacesNoUseSiteDiagnostics.ContainsKey((NamedTypeSymbol)to));

Compilation\CSharpSemanticModel.cs (1)

4068var instanceConstructors = typeSymbolOpt.IsInterfaceType() && (object)typeSymbolOpt.ComImportCoClass != null ?

Emitter\NoPia\EmbeddedType.cs (2)

39Debug.Assert(UnderlyingNamedType.AdaptedNamedTypeSymbol.IsInterfaceType()); 182return UnderlyingNamedType.AdaptedNamedTypeSymbol.IsInterfaceType();

FlowAnalysis\NullableWalker.cs (2)

2741(possibleBase.IsInterfaceType() && conversionsWithoutNullability.HasImplicitConversionToOrImplementsVarianceCompatibleInterface(possibleDerived, (NamedTypeSymbol)possibleBase, ref discardedUseSiteInfo, needSupportForRefStructInterfaces: out _)); 4339if (constructor is not null && !type.IsInterfaceType())

Lowering\LocalRewriter\LocalRewriter_Event.cs (1)

24if (rewrittenReceiverOpt != null && node.Event.ContainingAssembly.IsLinked && node.Event.ContainingType.IsInterfaceType())

Lowering\LocalRewriter\LocalRewriter_ObjectCreationExpression.cs (2)

79if (node.Type.IsInterfaceType()) 112if (node.Type.IsInterfaceType())

Symbols\ConstraintsHelper.cs (3)

225if (constraintType.Type.IsInterfaceType()) 1195errorCode = constraintType.Type.IsInterfaceType() ? ErrorCode.ERR_GenericConstraintNotSatisfiedNullableInterface : ErrorCode.ERR_GenericConstraintNotSatisfiedNullableEnum; 1410Debug.Assert(iface.IsInterfaceType());

Symbols\Metadata\PE\MetadataDecoder.cs (1)

549!(targetTypeSymbol.IsInterfaceType()

Symbols\Metadata\PE\PENamedTypeSymbol.cs (2)

1351if (!this.IsInterfaceType()) 2811if (!this.IsInterfaceType())

Symbols\OverriddenOrHiddenMembersHelpers.cs (1)

414Debug.Assert(containingType.IsInterfaceType());

Symbols\Retargeting\RetargetingNamedTypeSymbol.cs (1)

184bool isInterface = _underlyingType.IsInterfaceType();

Symbols\Source\ExplicitInterfaceHelpers.cs (1)

207if (!explicitInterfaceType.IsInterfaceType())

Symbols\Source\ParameterHelpers.cs (1)

893ErrorFacts.GetStaticClassParameterCode(containingSymbol?.ContainingType?.IsInterfaceType() ?? false),

Symbols\Source\SourceEventSymbol.cs (1)

801if (this.containingType.IsInterfaceType())

Symbols\Source\SourceFieldLikeEventSymbol.cs (1)

67bool inInterfaceType = containingType.IsInterfaceType();

Symbols\Source\SourceMemberContainerSymbol.cs (1)

2901if (this.IsInterfaceType())

Symbols\Source\SourceMethodSymbolWithAttributes.cs (1)

754else if (this.ContainingType.IsInterfaceType())

Symbols\Source\SourceNamedTypeSymbol.cs (1)

1367if (this.IsInterfaceType() && (!arguments.HasDecodedData || (object)((TypeWellKnownAttributeData)arguments.DecodedData).ComImportCoClass == null))

Symbols\Source\SourceOrdinaryMethodSymbol.cs (1)

891diagnostics.Add(ErrorFacts.GetStaticClassReturnCode(ContainingType.IsInterfaceType()), location, ReturnType);

Symbols\Source\SourcePropertySymbolBase.cs (2)

1930diagnostics.Add(ErrorFacts.GetStaticClassReturnCode(ContainingType.IsInterfaceType()), TypeLocation, type); 1935diagnostics.Add(ErrorFacts.GetStaticClassParameterCode(ContainingType.IsInterfaceType()), TypeLocation, type);

Symbols\Source\SourceUserDefinedOperatorSymbolBase.cs (2)

645if (source0.IsInterfaceType() || target0.IsInterfaceType())

Symbols\TypeSymbol.cs (6)

454if (this.IsInterfaceType()) 725Debug.Assert(!this.IsInterfaceType()); 727if (this.IsInterfaceType()) 807Debug.Assert(!implementingType.IsInterfaceType()); 1060Debug.Assert(!implementingType.IsInterfaceType()); 1549Debug.Assert(!implementingType.IsInterfaceType());

Symbols\VarianceSafety.cs (2)

93Debug.Assert(container.IsInterfaceType()); 103if (!container.IsInterfaceType())