IsInterfaceType

Binder\Binder_Expressions.cs (2)

5841Debug.Assert(interfaceType.IsInterfaceType()); 7028if (!type.IsInterfaceType())

Binder\Binder_Lookup.cs (1)

806Debug.Assert(!type.IsInterfaceType() && type.TypeKind != TypeKind.TypeParameter);

Binder\Semantics\AccessCheck.cs (1)

570if (baseTypeIsInterface == current.IsInterfaceType() &&

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

919if (!baseType.IsInterfaceType()) 2403if (!destination.IsInterfaceType()) 2539if (!destination.IsInterfaceType()) 2555if (source.IsInterfaceType()) 2787if (!destination.IsInterfaceType()) 2809if (!baseType.IsInterfaceType()) 2856if (!s.IsInterfaceType() || !d.IsInterfaceType()) 3256if (source.IsClassType() && destination.IsInterfaceType() && !source.IsSealed && !HasAnyBaseInterfaceConversion(source, destination, ref useSiteInfo)) 3264if (source.IsInterfaceType() && destination.IsClassType() && (!destination.IsSealed || HasAnyBaseInterfaceConversion(destination, source, ref useSiteInfo))) 3274if (source.IsInterfaceType() && destination.IsInterfaceType() && !HasImplicitConversionToInterface(source, destination, ref useSiteInfo)) 3327if ((object)t != null && source.IsInterfaceType() && t.IsReferenceType) 3333if ((object)s != null && s.IsReferenceType && destination.IsInterfaceType() && !HasImplicitReferenceTypeParameterConversion(s, destination, ref useSiteInfo)) 3374if (source.IsInterfaceType() && (object)t != null && !t.IsReferenceType) 3380if ((object)s != null && !s.IsReferenceType && destination.IsInterfaceType() && !HasImplicitReferenceTypeParameterConversion(s, destination, ref useSiteInfo)) 3605if (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)

69bool leftSourceIsInterface = leftOperatorSourceOpt?.IsInterfaceType() == true; 70bool rightSourceIsInterface = rightOperatorSourceOpt?.IsInterfaceType() == true;

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

418if (type0.IsInterfaceType())

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

1311if (currentType.IsInterfaceType() && type.IsInterfaceType() && currentType.AllInterfacesWithDefinitionUseSiteDiagnostics(ref useSiteInfo).Contains((NamedTypeSymbol)type)) 1389if (member.ContainingType.IsInterfaceType())

CodeGen\EmitExpression.cs (6)

3519else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfAlternative, TypeCompareKind.ConsiderEverything2)) 3543else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfConsequence, TypeCompareKind.ConsiderEverything2)) 3580else if (expr.Type.IsInterfaceType() && !TypeSymbol.Equals(expr.Type, mergeTypeOfLeftValue, TypeCompareKind.ConsiderEverything2)) 3633if (!(expr.Type.IsInterfaceType() || expr.Type.IsDelegateType())) 3709(to.IsInterfaceType() && from.IsInterfaceType() && !from.InterfacesAndTheirBaseInterfacesNoUseSiteDiagnostics.ContainsKey((NamedTypeSymbol)to));

Compilation\CSharpSemanticModel.cs (1)

4025var instanceConstructors = typeSymbolOpt.IsInterfaceType() && (object)typeSymbolOpt.ComImportCoClass != null ?

Emitter\NoPia\EmbeddedType.cs (2)

40Debug.Assert(UnderlyingNamedType.AdaptedNamedTypeSymbol.IsInterfaceType()); 183return UnderlyingNamedType.AdaptedNamedTypeSymbol.IsInterfaceType();

FlowAnalysis\NullableWalker.cs (1)

3543if (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)

78if (node.Type.IsInterfaceType()) 105if (node.Type.IsInterfaceType())

Symbols\ConstraintsHelper.cs (3)

196if (constraintType.Type.IsInterfaceType()) 1092errorCode = constraintType.Type.IsInterfaceType() ? ErrorCode.ERR_GenericConstraintNotSatisfiedNullableInterface : ErrorCode.ERR_GenericConstraintNotSatisfiedNullableEnum; 1297Debug.Assert(iface.IsInterfaceType());

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

549!(targetTypeSymbol.IsInterfaceType()

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

1055if (!this.IsInterfaceType()) 2306if (!this.IsInterfaceType())

Symbols\OverriddenOrHiddenMembersHelpers.cs (1)

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

Symbols\Retargeting\RetargetingNamedTypeSymbol.cs (1)

150bool isInterface = _underlyingType.IsInterfaceType();

Symbols\Source\ExplicitInterfaceHelpers.cs (1)

203if (!explicitInterfaceType.IsInterfaceType())

Symbols\Source\ParameterHelpers.cs (1)

649ErrorFacts.GetStaticClassParameterCode(containingSymbol?.ContainingType?.IsInterfaceType() ?? false),

Symbols\Source\SourceEventSymbol.cs (1)

673if (this.containingType.IsInterfaceType())

Symbols\Source\SourceFieldLikeEventSymbol.cs (1)

63bool inInterfaceType = containingType.IsInterfaceType();

Symbols\Source\SourceMemberContainerSymbol.cs (1)

2464if (this.IsInterfaceType())

Symbols\Source\SourceMethodSymbolWithAttributes.cs (1)

664else if (this.ContainingType.IsInterfaceType())

Symbols\Source\SourceNamedTypeSymbol.cs (1)

1255if (this.IsInterfaceType() && (!arguments.HasDecodedData || (object)((TypeWellKnownAttributeData)arguments.DecodedData).ComImportCoClass == null))

Symbols\Source\SourceOrdinaryMethodSymbolBase.cs (1)

369diagnostics.Add(ErrorFacts.GetStaticClassReturnCode(ContainingType.IsInterfaceType()), location, ReturnType);

Symbols\Source\SourcePropertySymbolBase.cs (2)

1540diagnostics.Add(ErrorFacts.GetStaticClassReturnCode(ContainingType.IsInterfaceType()), TypeLocation, type); 1545diagnostics.Add(ErrorFacts.GetStaticClassParameterCode(ContainingType.IsInterfaceType()), TypeLocation, type);

Symbols\Source\SourceUserDefinedOperatorSymbolBase.cs (2)

450if (source0.IsInterfaceType() || target0.IsInterfaceType())

Symbols\TypeSymbol.cs (6)

454if (this.IsInterfaceType()) 721Debug.Assert(!this.IsInterfaceType()); 723if (this.IsInterfaceType()) 803Debug.Assert(!implementingType.IsInterfaceType()); 1050Debug.Assert(!implementingType.IsInterfaceType()); 1539Debug.Assert(!implementingType.IsInterfaceType());

Symbols\VarianceSafety.cs (2)

90Debug.Assert(container.IsInterfaceType()); 100if (!container.IsInterfaceType())