17public interface IArrayTypeSymbol : ITypeSymbol

16public interface IDynamicTypeSymbol : ITypeSymbol

14public interface IFunctionPointerTypeSymbol : ITypeSymbol

19public interface INamedTypeSymbol : ITypeSymbol

18public interface IPointerTypeSymbol : ITypeSymbol

16public interface ITypeParameterSymbol : ITypeSymbol

17internal abstract class CodeGenerationTypeSymbol : CodeGenerationNamespaceOrTypeSymbol, ITypeSymbol

12internal abstract class TypeSymbol : NamespaceOrTypeSymbol, ISymbol, ITypeSymbol

23Implements ITypeSymbol, ITypeSymbolInternal

17internal abstract class CodeGenerationTypeSymbol : CodeGenerationNamespaceOrTypeSymbol, ITypeSymbol

979internal abstract bool IsAttributeType(ITypeSymbol type); 992public ITypeSymbol DynamicType { get { return CommonDynamicType; } } 993protected abstract ITypeSymbol CommonDynamicType { get; } 998internal ITypeSymbol? ScriptGlobalsType => CommonScriptGlobalsType; 999protected abstract ITypeSymbol? CommonScriptGlobalsType { get; } 1057public IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation elementNullableAnnotation = NullableAnnotation.None) 1067public IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank) 1072protected abstract IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation elementNullableAnnotation); 1079public IPointerTypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 1084protected abstract IPointerTypeSymbol CommonCreatePointerTypeSymbol(ITypeSymbol elementType); 1100ITypeSymbol returnType, 1102ImmutableArray<ITypeSymbol> parameterTypes, 1111ITypeSymbol returnType, 1113ImmutableArray<ITypeSymbol> parameterTypes, 1265ImmutableArray<ITypeSymbol> elementTypes, 1306ImmutableArray<ITypeSymbol> elementTypes, 1370ImmutableArray<ITypeSymbol> elementTypes, 1422ImmutableArray<ITypeSymbol> memberTypes, 1491ImmutableArray<ITypeSymbol> memberTypes, 1500ImmutableArray<ITypeSymbol> memberTypes, 1516public IMethodSymbol CreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol leftType, ITypeSymbol rightType) 1532protected abstract IMethodSymbol CommonCreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol leftType, ITypeSymbol rightType); 1543public IMethodSymbol CreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol operandType) 1556protected abstract IMethodSymbol CommonCreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol operandType); 1566public abstract CommonConversion ClassifyCommonConversion(ITypeSymbol source, ITypeSymbol destination); 1574public bool HasImplicitConversion(ITypeSymbol? fromType, ITypeSymbol? toType) 1597ITypeSymbol? throughType = null) 1726ITypeSymbol? throughType); 1728internal abstract IConvertibleConversion ClassifyConvertibleConversion(IOperation source, ITypeSymbol destination, out ConstantValue? constantValue); 3576internal string GetMessage(ITypeSymbol source, ITypeSymbol destination)

9public static ConstantValue SynthesizeNumeric(ITypeSymbol type, int value)

20public ITypeSymbol? Type { get; } 31public ITypeSymbol? ConvertedType { get; } 40internal TypeInfo(ITypeSymbol? type, ITypeSymbol? convertedType, NullabilityInfo nullability, NullabilityInfo convertedNullability)

270protected abstract void ReportInvalidNamedArgument(DiagnosticBag diagnostics, SyntaxNode attributeSyntax, int namedArgumentIndex, ITypeSymbol attributeClass, string parameterName); 272public void ReportInvalidNamedArgument(BindingDiagnosticBag diagnostics, SyntaxNode attributeSyntax, int namedArgumentIndex, ITypeSymbol attributeClass, string parameterName)

407var typeSymbol = result.Value.Type; 696private ITypeSymbol ParseArrayType(ITypeSymbol typeSymbol) 764var boundReturnType = BindParameterOrReturnType(methodSymbol, returnType.Value); 801var parameterType = BindParameterOrReturnType(symbol.ContainingSymbol, parameterInfo.Type); 806private ITypeSymbol BindParameterOrReturnType(ISymbol bindingContext, TypeInfo type) 868public readonly ITypeSymbol Type; 876private TypeInfo(ITypeSymbol type, int startIndex) 882public static TypeInfo Create(ITypeSymbol type)

822private static ITypeSymbol? ParseTypeSymbol(string id, ref int index, Compilation compilation, ISymbol? typeParameterContext) 834return (ITypeSymbol)results[0]; 876results.AddRange(contexts.OfType<ITypeSymbol>()); 902var typeSymbol = (ITypeSymbol)results[i]; 980List<ITypeSymbol>? typeArguments = null; 986typeArguments = new List<ITypeSymbol>(); 1079private static bool ParseTypeArguments(string id, ref int index, Compilation compilation, ISymbol? typeParameterContext, List<ITypeSymbol> typeArguments) 1085var type = ParseTypeSymbol(id, ref index, compilation, typeParameterContext); 1219ITypeSymbol? returnType = ParseTypeSymbol(id, ref index, compilation, methodSymbol); 1363var parameterType = parameterInfo.Type; 1399internal readonly ITypeSymbol Type; 1402public ParameterInfo(ITypeSymbol type, bool isRefOrOut) 1456var type = ParseTypeSymbol(id, ref index, compilation, typeParameterContext);

672ITypeSymbol? ConstrainedToType { get; } 725ITypeSymbol? ConstrainedToType { get; } 847ITypeSymbol? ConstrainedToType { get; } 1007ITypeSymbol? ConstrainedToType { get; } 1064ITypeSymbol? ConstrainedToType { get; } 1302ITypeSymbol TypeOperand { get; } 1426ITypeSymbol? ConstrainedToType { get; } 1704ITypeSymbol? NaturalType { get; } 1762ImmutableArray<ITypeSymbol> TypeArguments { get; } 1766ITypeSymbol? ContainingType { get; } 1918ITypeSymbol TypeOperand { get; } 1940ITypeSymbol TypeOperand { get; } 2037ITypeSymbol? ConstrainedToType { get; } 2412ITypeSymbol ExceptionType { get; } 2669ITypeSymbol InputType { get; } 2673ITypeSymbol NarrowedType { get; } 2717ITypeSymbol? MatchedType { get; } 2976ITypeSymbol MatchedType { get; } 3301ITypeSymbol MatchedType { get; } 3677public override ITypeSymbol? Type => null; 3732public override ITypeSymbol? Type => null; 3802public override ITypeSymbol? Type => null; 3908public override ITypeSymbol? Type => null; 4000public override ITypeSymbol? Type => null; 4112public override ITypeSymbol? Type => null; 4136public override ITypeSymbol? Type => null; 4189public override ITypeSymbol? Type => null; 4209public override ITypeSymbol? Type => null; 4223public override ITypeSymbol? Type => null; 4275public override ITypeSymbol? Type => null; 4339public override ITypeSymbol? Type => null; 4418public override ITypeSymbol? Type => null; 4486public override ITypeSymbol? Type => null; 4537public override ITypeSymbol? Type => null; 4601public override ITypeSymbol? Type => null; 4615public override ITypeSymbol? Type => null; 4629public override ITypeSymbol? Type => null; 4695public override ITypeSymbol? Type => null; 4703internal LiteralOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 4713public override ITypeSymbol? Type { get; } 4721internal ConversionOperation(IOperation operand, IConvertibleConversion conversion, bool isTryCast, bool isChecked, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 4773public override ITypeSymbol? Type { get; } 4781internal InvocationOperation(IMethodSymbol targetMethod, ITypeSymbol? constrainedToType, IOperation? instance, bool isVirtual, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 4792public ITypeSymbol? ConstrainedToType { get; } 4846public override ITypeSymbol? Type { get; } 4854internal ArrayElementReferenceOperation(IOperation arrayReference, ImmutableArray<IOperation> indices, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 4913public override ITypeSymbol? Type { get; } 4921internal LocalReferenceOperation(ILocalSymbol local, bool isDeclaration, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 4935public override ITypeSymbol? Type { get; } 4943internal ParameterReferenceOperation(IParameterSymbol parameter, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 4954public override ITypeSymbol? Type { get; } 4968public abstract ITypeSymbol? ConstrainedToType { get; } 4972internal FieldReferenceOperation(IFieldSymbol field, bool isDeclaration, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5019public override ITypeSymbol? Type { get; } 5027internal MethodReferenceOperation(IMethodSymbol method, ITypeSymbol? constrainedToType, bool isVirtual, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5036public override ITypeSymbol? ConstrainedToType { get; } 5075public override ITypeSymbol? Type { get; } 5083internal PropertyReferenceOperation(IPropertySymbol property, ITypeSymbol? constrainedToType, ImmutableArray<IArgumentOperation> arguments, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5092public override ITypeSymbol? ConstrainedToType { get; } 5144public override ITypeSymbol? Type { get; } 5152internal EventReferenceOperation(IEventSymbol @event, ITypeSymbol? constrainedToType, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5160public override ITypeSymbol? ConstrainedToType { get; } 5198public override ITypeSymbol? Type { get; } 5206internal UnaryOperation(UnaryOperatorKind operatorKind, IOperation operand, bool isLifted, bool isChecked, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5223public ITypeSymbol? ConstrainedToType { get; } 5261public override ITypeSymbol? Type { get; } 5269internal BinaryOperation(BinaryOperatorKind operatorKind, IOperation leftOperand, IOperation rightOperand, bool isLifted, bool isChecked, bool isCompareText, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, IMethodSymbol? unaryOperatorMethod, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5291public ITypeSymbol? ConstrainedToType { get; } 5339public override ITypeSymbol? Type { get; } 5347internal ConditionalOperation(IOperation condition, IOperation whenTrue, IOperation? whenFalse, bool isRef, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5416public override ITypeSymbol? Type { get; } 5424internal CoalesceOperation(IOperation value, IOperation whenNull, IConvertibleConversion valueConversion, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5483public override ITypeSymbol? Type { get; } 5536public override ITypeSymbol? Type => null; 5544internal ObjectCreationOperation(IMethodSymbol? constructor, IObjectOrCollectionInitializerOperation? initializer, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5606public override ITypeSymbol? Type { get; } 5614internal TypeParameterObjectCreationOperation(IObjectOrCollectionInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5658public override ITypeSymbol? Type { get; } 5666internal ArrayCreationOperation(ImmutableArray<IOperation> dimensionSizes, IArrayInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5725public override ITypeSymbol? Type { get; } 5733internal InstanceReferenceOperation(InstanceReferenceKind referenceKind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5744public override ITypeSymbol? Type { get; } 5752internal IsTypeOperation(IOperation valueOperand, ITypeSymbol typeOperand, bool isNegated, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5761public ITypeSymbol TypeOperand { get; } 5800public override ITypeSymbol? Type { get; } 5808internal AwaitOperation(IOperation operation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5852public override ITypeSymbol? Type { get; } 5871internal SimpleAssignmentOperation(bool isRef, IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5925public override ITypeSymbol? Type { get; } 5933internal CompoundAssignmentOperation(IConvertibleConversion inConversion, IConvertibleConversion outConversion, BinaryOperatorKind operatorKind, bool isLifted, bool isChecked, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5953public ITypeSymbol? ConstrainedToType { get; } 6000public override ITypeSymbol? Type { get; } 6008internal ParenthesizedOperation(IOperation operand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6053public override ITypeSymbol? Type { get; } 6061internal EventAssignmentOperation(IOperation eventReference, IOperation handlerValue, bool adds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6118public override ITypeSymbol? Type { get; } 6126internal ConditionalAccessOperation(IOperation operation, IOperation whenNotNull, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6181public override ITypeSymbol? Type { get; } 6189internal ConditionalAccessInstanceOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6198public override ITypeSymbol? Type { get; } 6206internal InterpolatedStringOperation(ImmutableArray<IInterpolatedStringContentOperation> parts, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6255public override ITypeSymbol? Type { get; } 6263internal AnonymousObjectCreationOperation(ImmutableArray<IOperation> initializers, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6311public override ITypeSymbol? Type { get; } 6319internal ObjectOrCollectionInitializerOperation(ImmutableArray<IOperation> initializers, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6367public override ITypeSymbol? Type { get; } 6375internal MemberInitializerOperation(IOperation initializedMember, IObjectOrCollectionInitializerOperation initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6430public override ITypeSymbol? Type { get; } 6438internal NameOfOperation(IOperation argument, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6483public override ITypeSymbol? Type { get; } 6491internal TupleOperation(ImmutableArray<IOperation> elements, ITypeSymbol? naturalType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6499public ITypeSymbol? NaturalType { get; } 6541public override ITypeSymbol? Type { get; } 6549internal DynamicMemberReferenceOperation(IOperation? instance, string memberName, ImmutableArray<ITypeSymbol> typeArguments, ITypeSymbol? containingType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6560public ImmutableArray<ITypeSymbol> TypeArguments { get; } 6561public ITypeSymbol? ContainingType { get; } 6599public override ITypeSymbol? Type { get; } 6607internal TranslatedQueryOperation(IOperation operation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6651public override ITypeSymbol? Type { get; } 6659internal DelegateCreationOperation(IOperation target, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6703public override ITypeSymbol? Type { get; } 6711internal DefaultValueOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6721public override ITypeSymbol? Type { get; } 6729internal TypeOfOperation(ITypeSymbol typeOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6735public ITypeSymbol TypeOperand { get; } 6740public override ITypeSymbol? Type { get; } 6748internal SizeOfOperation(ITypeSymbol typeOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6755public ITypeSymbol TypeOperand { get; } 6760public override ITypeSymbol? Type { get; } 6768internal AddressOfOperation(IOperation reference, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6812public override ITypeSymbol? Type { get; } 6820internal IsPatternOperation(IOperation value, IPatternOperation pattern, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6875public override ITypeSymbol? Type { get; } 6883internal IncrementOrDecrementOperation(bool isPostfix, bool isLifted, bool isChecked, IOperation target, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, OperationKind kind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6900public ITypeSymbol? ConstrainedToType { get; } 6938public override ITypeSymbol? Type { get; } 6946internal ThrowOperation(IOperation? exception, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6990public override ITypeSymbol? Type { get; } 6998internal DeconstructionAssignmentOperation(IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7049public override ITypeSymbol? Type { get; } 7057internal DeclarationExpressionOperation(IOperation expression, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7101public override ITypeSymbol? Type { get; } 7109internal OmittedArgumentOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7118public override ITypeSymbol? Type { get; } 7180public override ITypeSymbol? Type => null; 7227public override ITypeSymbol? Type => null; 7278public override ITypeSymbol? Type => null; 7329public override ITypeSymbol? Type => null; 7384public override ITypeSymbol? Type => null; 7452public override ITypeSymbol? Type => null; 7533public override ITypeSymbol? Type => null; 7594public override ITypeSymbol? Type => null; 7602internal CatchClauseOperation(IOperation? exceptionDeclarationOrExpression, ITypeSymbol exceptionType, ImmutableArray<ILocalSymbol> locals, IOperation? filter, IBlockOperation handler, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 7612public ITypeSymbol ExceptionType { get; } 7671public override ITypeSymbol? Type => null; 7745public override ITypeSymbol? Type => null; 7769public override ITypeSymbol? Type => null; 7832public override ITypeSymbol? Type => null; 7894public override ITypeSymbol? Type => null; 7947public override ITypeSymbol? Type => null; 7998public override ITypeSymbol? Type => null; 8054public override ITypeSymbol? Type => null; 8127public override ITypeSymbol? Type => null; 8135protected BasePatternOperation(ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8141public ITypeSymbol InputType { get; } 8142public ITypeSymbol NarrowedType { get; } 8146internal ConstantPatternOperation(IOperation value, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8189public override ITypeSymbol? Type => null; 8197internal DeclarationPatternOperation(ITypeSymbol? matchedType, bool matchesNull, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8204public ITypeSymbol? MatchedType { get; } 8211public override ITypeSymbol? Type => null; 8219internal TupleBinaryOperation(BinaryOperatorKind operatorKind, IOperation leftOperand, IOperation rightOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8276public override ITypeSymbol? Type { get; } 8343public override ITypeSymbol? Type => null; 8414public override ITypeSymbol? Type => null; 8422internal DiscardOperation(IDiscardSymbol discardSymbol, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8433public override ITypeSymbol? Type { get; } 8486public override ITypeSymbol? Type => null; 8494internal FlowCaptureReferenceOperation(CaptureId id, bool isInitialization, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 8508public override ITypeSymbol? Type { get; } 8516internal IsNullOperation(IOperation operand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 8561public override ITypeSymbol? Type { get; } 8569internal CaughtExceptionOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8578public override ITypeSymbol? Type { get; } 8586internal StaticLocalInitializationSemaphoreOperation(ILocalSymbol local, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8597public override ITypeSymbol? Type { get; } 8605internal CoalesceAssignmentOperation(IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8656public override ITypeSymbol? Type { get; } 8664internal RangeOperation(IOperation? leftOperand, IOperation? rightOperand, bool isLifted, IMethodSymbol? method, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8723public override ITypeSymbol? Type { get; } 8780public override ITypeSymbol? Type => null; 8846public override ITypeSymbol? Type => null; 8854internal RecursivePatternOperation(ITypeSymbol matchedType, ISymbol? deconstructSymbol, ImmutableArray<IPatternOperation> deconstructionSubpatterns, ImmutableArray<IPropertySubpatternOperation> propertySubpatterns, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8863public ITypeSymbol MatchedType { get; } 8922public override ITypeSymbol? Type => null; 8930internal DiscardPatternOperation(ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8936public override ITypeSymbol? Type => null; 8944internal SwitchExpressionOperation(IOperation value, ImmutableArray<ISwitchExpressionArmOperation> arms, bool isExhaustive, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9005public override ITypeSymbol? Type { get; } 9080public override ITypeSymbol? Type => null; 9142public override ITypeSymbol? Type => null; 9150internal AggregateQueryOperation(IOperation group, IOperation aggregation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9205public override ITypeSymbol? Type { get; } 9269public override ITypeSymbol? Type => null; 9277internal NoPiaObjectCreationOperation(IObjectOrCollectionInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9321public override ITypeSymbol? Type { get; } 9329internal PlaceholderOperation(PlaceholderKind placeholderKind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9340public override ITypeSymbol? Type { get; } 9402public override ITypeSymbol? Type => null; 9457public override ITypeSymbol? Type => null; 9465internal NegatedPatternOperation(IPatternOperation pattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9508public override ITypeSymbol? Type => null; 9516internal BinaryPatternOperation(BinaryOperatorKind operatorKind, IPatternOperation leftPattern, IPatternOperation rightPattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9572public override ITypeSymbol? Type => null; 9580internal TypePatternOperation(ITypeSymbol matchedType, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9585public ITypeSymbol MatchedType { get; } 9590public override ITypeSymbol? Type => null; 9598internal RelationalPatternOperation(BinaryOperatorKind operatorKind, IOperation value, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9643public override ITypeSymbol? Type => null; 9651internal WithOperation(IOperation operand, IMethodSymbol? cloneMethod, IObjectOrCollectionInitializerOperation initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9708public override ITypeSymbol? Type { get; } 9716internal InterpolatedStringHandlerCreationOperation(IOperation handlerCreation, bool handlerCreationHasSuccessParameter, bool handlerAppendCallsReturnBool, IOperation content, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9775public override ITypeSymbol? Type { get; } 9837public override ITypeSymbol? Type => null; 9889public override ITypeSymbol? Type => null; 9909public override ITypeSymbol? Type => null; 9917internal FunctionPointerInvocationOperation(IOperation target, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9976public override ITypeSymbol? Type { get; } 9984internal ListPatternOperation(ISymbol? lengthSymbol, ISymbol? indexerSymbol, ImmutableArray<IPatternOperation> patterns, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10037public override ITypeSymbol? Type => null; 10045internal SlicePatternOperation(ISymbol? sliceSymbol, IPatternOperation? pattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10090public override ITypeSymbol? Type => null; 10098internal ImplicitIndexerReferenceOperation(IOperation instance, IOperation argument, ISymbol lengthSymbol, ISymbol indexerSymbol, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10157public override ITypeSymbol? Type { get; } 10165internal Utf8StringOperation(string value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10176public override ITypeSymbol? Type { get; } 10227public override ITypeSymbol? Type => null;

32internal CommonConversion(bool exists, bool isIdentity, bool isNumeric, bool isReference, bool isImplicit, bool isNullable, IMethodSymbol? methodSymbol, ITypeSymbol? constrainedToType) 86public ITypeSymbol? ConstrainedToType { get; }

2439private IOperation CreateConversion(IOperation operand, ITypeSymbol type) 2971ITypeSymbol? valueTypeOpt = operationValue.Type; 3271private static IOperation MakeInvalidOperation(ITypeSymbol? type, IOperation child) 3278private static IOperation MakeInvalidOperation(SyntaxNode syntax, ITypeSymbol? type, IOperation child1, IOperation child2) 3283private static IOperation MakeInvalidOperation(SyntaxNode syntax, ITypeSymbol? type, ImmutableArray<IOperation> children) 3295private static IsNullOperation MakeIsNullOperation(IOperation operand, ITypeSymbol booleanType) 3313ITypeSymbol? valueType = value.Type; 3514ITypeSymbol? testExpressionType = testExpression.Type; 3768private void AddExceptionStore(ITypeSymbol exceptionType, IOperation? exceptionDeclarationOrExpression) 3943ITypeSymbol iDisposable = isAsynchronous 4092private void AddDisposingFinally(IOperation resource, bool requiresRuntimeConversion, ITypeSymbol iDisposable, IMethodSymbol? disposeMethod, ImmutableArray<IArgumentOperation> disposeArguments, bool isAsynchronous) 4174bool isNotNullableValueType([NotNullWhen(true)] ITypeSymbol? type) 4180private IOperation ConvertToIDisposable(IOperation operand, ITypeSymbol iDisposable, bool isTryCast = false) 4192ITypeSymbol objectType = _compilation.GetSpecialType(SpecialType.System_Object); 4456var iDisposable = isAsynchronous 4478IOperation applyConversion(IConvertibleConversion? conversionOpt, IOperation operand, ITypeSymbol? targetType) 4645ITypeSymbol booleanType = _compilation.GetSpecialType(SpecialType.System_Boolean); 4658ITypeSymbol? stepEnumUnderlyingTypeOrSelf = ITypeSymbolHelpers.GetEnumUnderlyingTypeOrSelf(operation.StepValue.Type); 4829ITypeSymbol? stepValueEnumUnderlyingTypeOrSelf = ITypeSymbolHelpers.GetEnumUnderlyingTypeOrSelf(stepValue.Type); 5565private IOperation MakeNullable(IOperation operand, ITypeSymbol type) 5735ITypeSymbol booleanType = _compilation.GetSpecialType(SpecialType.System_Boolean);

19public readonly ITypeSymbol? ExceptionType; 31public RegionBuilder(ControlFlowRegionKind kind, ITypeSymbol? exceptionType = null, ImmutableArray<ILocalSymbol> locals = default, bool isStackSpillRegion = false)

31public ITypeSymbol? ExceptionType { get; } 68ITypeSymbol? exceptionType,

40ITypeSymbol? Type { get; }

14public readonly ITypeSymbol ElementType; 41ITypeSymbol elementType,

76public abstract ITypeSymbol? Type { get; }

18public NoneOperation(ImmutableArray<IOperation> children, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) : 64public override ITypeSymbol? Type { get; } 82public ITypeSymbol? ConstrainedToType => Conversion.ConstrainedToType; 87public InvalidOperation(ImmutableArray<IOperation> children, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) : 135public override ITypeSymbol? Type { get; } 169public override ITypeSymbol? Type => null; 205public override ITypeSymbol? ConstrainedToType => null; 235protected HasDynamicArgumentsExpression(ImmutableArray<IOperation> arguments, ImmutableArray<string> argumentNames, ImmutableArray<RefKind> argumentRefKinds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) : 247public override ITypeSymbol? Type { get; } 252public DynamicObjectCreationOperation(IObjectOrCollectionInitializerOperation? initializer, ImmutableArray<IOperation> arguments, ImmutableArray<string> argumentNames, ImmutableArray<RefKind> argumentRefKinds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) : 334public DynamicInvocationOperation(IOperation operation, ImmutableArray<IOperation> arguments, ImmutableArray<string> argumentNames, ImmutableArray<RefKind> argumentRefKinds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) : 416public DynamicIndexerAccessOperation(IOperation operation, ImmutableArray<IOperation> arguments, ImmutableArray<string> argumentNames, ImmutableArray<RefKind> argumentRefKinds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) : 641public FlowCaptureReferenceOperation(int id, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isInitialization = false) : 658public IsNullOperation(SyntaxNode syntax, IOperation operand, ITypeSymbol type, ConstantValue? constantValue) : 667public CaughtExceptionOperation(SyntaxNode syntax, ITypeSymbol type) : 675public StaticLocalInitializationSemaphoreOperation(ILocalSymbol local, SyntaxNode syntax, ITypeSymbol type) :

89protected void AddNonNullConstantValue(ITypeSymbol type, object constantValue, bool preferNumericValueOrExpandedFlagsForEnum = false) 135private static bool IsFlagsEnum(ITypeSymbol typeSymbol)

51var type1 = GetSymbolType(normalSymbol); 52var type2 = GetSymbolType(typeOnlySymbol); 96protected static ITypeSymbol GetSymbolType(ISymbol symbol) 125return aliasSymbol.Target as ITypeSymbol; 128return symbol as ITypeSymbol;

29/// For example, the <see cref="ITypeSymbol"/> associated with a class name.

50ITypeSymbol ElementType { get; }

18ITypeSymbol Type { get; }

22ITypeSymbol Type { get; }

77ITypeSymbol Type { get; }

19ITypeSymbol Type { get; }

94ITypeSymbol ReturnType { get; } 106ImmutableArray<ITypeSymbol> TypeArguments { get; } 164ITypeSymbol? ReceiverType { get; } 185ITypeSymbol? GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter); 191IMethodSymbol? ReduceExtensionMethod(ITypeSymbol receiverType); 247IMethodSymbol Construct(params ITypeSymbol[] typeArguments); 252IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations);

80ImmutableArray<ITypeSymbol> TypeArguments { get; } 130INamedTypeSymbol Construct(params ITypeSymbol[] typeArguments); 135INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations);

53ITypeSymbol Type { get; }

23ITypeSymbol PointedAtType { get; }

63ITypeSymbol Type { get; }

31var typeArgs = new ITypeSymbol[reducedFrom.TypeParameters.Length]; 36var arg = method.TypeArguments[i]; 52var inferredType = method.GetTypeInferredDuringReduction(reducedFrom.TypeParameters[i]);

80ImmutableArray<ITypeSymbol> ConstraintTypes { get; }

89new ITypeSymbol OriginalDefinition { get; } 192ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation); 199internal static bool IsNullableType([NotNullWhen(returnValue: true)] ITypeSymbol? typeOpt) 204internal static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] ITypeSymbol? type) 209internal static ITypeSymbol GetNullableUnderlyingType(ITypeSymbol type) 215internal static bool IsBooleanType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 220internal static bool IsObjectType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 225internal static bool IsSignedIntegralType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 230internal static bool IsUnsignedIntegralType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 235internal static bool IsNumericType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 240internal static ITypeSymbol? GetEnumUnderlyingType(ITypeSymbol? type) 246internal static ITypeSymbol? GetEnumUnderlyingTypeOrSelf(ITypeSymbol? type) 251internal static bool IsDynamicType([NotNullWhen(returnValue: true)] ITypeSymbol? type)

37/// Returns an <see cref="ITypeSymbol"/> instance associated with this symbol. 40ITypeSymbol GetITypeSymbol();

31/// ignoring the <see cref="ITypeSymbol"/> to which it is attached. It should only be used when converting

48/// Returns the <see cref="ITypeSymbol"/> of the constant, 51public ITypeSymbol? Type

25Debug.Assert(value == null || value is string || value.GetType().GetTypeInfo().IsEnum || (value.GetType().GetTypeInfo().IsPrimitive && !(value is System.IntPtr) && !(value is System.UIntPtr)) || value is ITypeSymbol);

41protected abstract (CommonConversion conversion, ITypeSymbol? collectionElementType) GetForEachInfo(SemanticModel semanticModel, TForEachStatementSyntax node); 73variableDeclarator.Symbol.Type is not ITypeSymbol iterationType) 79var collectionType = semanticModel.GetTypeInfo(syntaxFacts.GetExpressionOfForeachStatement(node), cancellationToken).Type; 140private static bool IsStronglyTyped(INamedTypeSymbol ienumerableOfTType, ITypeSymbol collectionType, ITypeSymbol collectionElementType)

180if (symbol is ITypeSymbol typeSymbol && typeSymbol.DeclaringSyntaxReferences.Length > 1)

96var type = value.Type.RemoveNullableIfPresent();

266private bool ImplicitConversionsAreCompatible(TExpressionSyntax originalExpression, ITypeSymbol originalTargetType, TExpressionSyntax newExpression, ITypeSymbol newTargetType) 279protected abstract bool ConversionsAreCompatible(TExpressionSyntax originalExpression, ITypeSymbol originalTargetType, TExpressionSyntax newExpression, ITypeSymbol newTargetType); 688var previousOriginalType = this.OriginalSemanticModel.GetTypeInfo(previousOriginalNode).Type; 689var previousReplacedType = this.SpeculativeSemanticModel.GetTypeInfo(previousReplacedNode).Type; 743GetForEachSymbols(this.OriginalSemanticModel, forEachStatement, out var originalGetEnumerator, out var originalElementType); 744GetForEachSymbols(this.SpeculativeSemanticModel, newForEachStatement, out var newGetEnumerator, out var newElementType); 760protected abstract void GetForEachSymbols(SemanticModel model, TForEachStatementSyntax forEach, out IMethodSymbol getEnumeratorMethod, out ITypeSymbol elementType); 780var expressionType = this.SpeculativeSemanticModel.GetTypeInfo(newForEachStatementExpression, _cancellationToken).ConvertedType; 805var originalThrowExpressionType = this.OriginalSemanticModel.GetTypeInfo(originalThrowExpression).Type; 807var newThrowExpressionType = this.SpeculativeSemanticModel.GetTypeInfo(newThrowExpression).Type; 924var originalTargetType = this.OriginalSemanticModel.GetTypeInfo(originalLeft).Type; 927var newTargetType = this.SpeculativeSemanticModel.GetTypeInfo(newLeft).Type; 935protected abstract bool IsReferenceConversion(Compilation model, ITypeSymbol sourceType, ITypeSymbol targetType); 962var newReceiverType = newReceiver != null 1001var receiverType = semanticModel.GetTypeInfo(receiver).Type; 1167ITypeSymbol originalTargetType, 1169ITypeSymbol newTargetType, 1184var originalConvertedTypeSymbol = this.OriginalSemanticModel.GetTypeInfo(originalExpression).ConvertedType; 1190var newConvertedTypeSymbol = this.SpeculativeSemanticModel.GetTypeInfo(newExpression).ConvertedType; 1198protected abstract TConversion ClassifyConversion(SemanticModel model, TExpressionSyntax expression, ITypeSymbol targetType); 1199protected abstract TConversion ClassifyConversion(SemanticModel model, ITypeSymbol originalType, ITypeSymbol targetType);

165var exprType = semanticModel.GetTypeInfo(initializer, cancellationToken).Type;

104var conditionType = semanticModel.GetTypeInfo(

154var parameterType = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type;

147var whenPartType = semanticModel.GetTypeInfo(whenPartMatch, cancellationToken).Type; 151var type = semanticModel.GetTypeInfo(conditionalExpression, cancellationToken).Type; 358var typeSymbol = semanticModel.GetTypeInfo(type, cancellationToken).Type;

85var whenPartType = semanticModel.GetTypeInfo(whenPartMatch, cancellationToken).Type;

186var argsArgumentType = TryGetArgsArgumentType(semanticModel, arguments, parameters, syntaxFacts); 190private ITypeSymbol? TryGetArgsArgumentType(

15public readonly ITypeSymbol ElementType; 21ITypeSymbol elementType)

35public static IEnumerable<ITypeSymbol> GetAllTypeArguments(this INamedTypeSymbol? symbol) 620public static INamedTypeSymbol TryConstruct(this INamedTypeSymbol type, ITypeSymbol[] typeArguments)

88bool IsPartial(ITypeSymbol typeSymbol, CancellationToken cancellationToken);

118private static bool IsFloatingPoint([NotNullWhen(returnValue: true)] ITypeSymbol? type)

163=> symbol is ITypeSymbol { TypeKind: TypeKind.Error }; 166=> symbol is ITypeSymbol { TypeKind: TypeKind.Module }; 169=> symbol is ITypeSymbol { TypeKind: TypeKind.Interface }; 175=> symbol is ITypeSymbol { IsTupleType: true }; 244=> symbol is ITypeSymbol { TypeKind: TypeKind.Delegate }; 275public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 386public static ImmutableArray<ITypeSymbol> GetTypeArguments(this ISymbol? symbol) 391_ => ImmutableArray.Create<ITypeSymbol>(), 394public static ImmutableArray<ITypeSymbol> GetAllTypeArguments(this ISymbol symbol) 396var results = ArrayBuilder<ITypeSymbol>.GetInstance(); 410=> (symbol as ITypeSymbol)?.IsAttribute() == true; 424public static ITypeSymbol ConvertToType( 429if (symbol is ITypeSymbol type) 501public static Accessibility ComputeResultantAccessibility(this ISymbol? symbol, ITypeSymbol finalDestination) 560public static ITypeSymbol? GetSymbolType(this ISymbol? symbol) 567IAliasSymbol aliasSymbol => aliasSymbol.Target as ITypeSymbol, 568_ => symbol as ITypeSymbol, 579ITypeSymbol? typeSymbol = null; 583typeSymbol = symbol as ITypeSymbol; 612var returnType = getAwaiter.ReturnType; 646var returnType = getEnumerator.ReturnType; 686var returnType = getAsyncEnumerator.ReturnType;

19ITypeSymbol? throughType = null) 41ITypeSymbol? throughType = null) 53ITypeSymbol? throughType = null) 66ITypeSymbol? throughType, 85ITypeSymbol? throughType, 194foreach (var typeArg in type.TypeArguments) 254ITypeSymbol? throughType, 339ITypeSymbol? throughType, 379var originalThroughType = throughType?.OriginalDefinition;

22public static bool IsIntegralType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 25public static bool IsSignedIntegralType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 28public static bool CanAddNullCheck([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 39public static IList<INamedTypeSymbol> GetAllInterfacesIncludingThis(this ITypeSymbol type) 53public static bool IsAbstractClass([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 56public static bool IsSystemVoid([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 59public static bool IsNullable([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 62public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 66[NotNullWhen(true)] this ITypeSymbol? symbol, 67[NotNullWhen(true)] out ITypeSymbol? underlyingType) 79public static bool IsModuleType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 82public static bool IsInterfaceType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 85public static bool IsDelegateType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 88public static bool IsFunctionPointerType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 91public static bool IsStructType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 98this ITypeSymbol type, 112public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol? type) 114var current = type; 122public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type) 132public static IEnumerable<ITypeSymbol> GetContainingTypesAndThis(this ITypeSymbol? type) 134var current = type; 142public static IEnumerable<INamedTypeSymbol> GetContainingTypes(this ITypeSymbol type) 155this ITypeSymbol type, ITypeSymbol baseType, bool includeInterfaces) 168this ITypeSymbol type, ITypeSymbol baseType) 176this ITypeSymbol type, ITypeSymbol baseType) 178var originalBaseType = baseType.OriginalDefinition; 186IEnumerable<ITypeSymbol> baseTypes = (baseType.TypeKind == TypeKind.Interface) ? type.AllInterfaces : type.GetBaseTypes(); 193this ITypeSymbol type, ITypeSymbol baseType) 195var originalBaseType = baseType.OriginalDefinition; 215this ITypeSymbol type, ITypeSymbol interfaceType) 217var originalInterfaceType = interfaceType.OriginalDefinition; 222this ITypeSymbol type, ITypeSymbol interfaceType) 227public static bool IsAttribute(this ITypeSymbol symbol) 245public static bool IsFormattableStringOrIFormattable([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 254this ITypeSymbol typeSymbol, bool allowDelegateAndEnumConstraints = false) 282public static bool IsNumericType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 308public static Accessibility DetermineMinimalAccessibility(this ITypeSymbol typeSymbol) 311public static bool ContainsAnonymousType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 327foreach (var typeArg in type.GetAllTypeArguments()) 336public static string CreateParameterName(this ITypeSymbol type, bool capitalize = false) 357private static string GetParameterName(ITypeSymbol? type) 370public static bool IsSpecialType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 401public static bool CanSupportCollectionInitializer(this ITypeSymbol typeSymbol, ISymbol within) 412public static INamedTypeSymbol? GetDelegateType(this ITypeSymbol? typeSymbol, Compilation compilation) 419var typeArgument = ((INamedTypeSymbol)typeSymbol).TypeArguments[0]; 432public static IEnumerable<T> GetAccessibleMembersInBaseTypes<T>(this ITypeSymbol containingType, ISymbol within) where T : class, ISymbol 443public static ImmutableArray<T> GetAccessibleMembersInThisAndBaseTypes<T>(this ITypeSymbol? containingType, ISymbol within) where T : class, ISymbol 453public static bool? AreMoreSpecificThan(this IList<ITypeSymbol> t1, IList<ITypeSymbol> t2) 488public static IEnumerable<T> SelectAccessibleMembers<T>(this IEnumerable<ITypeSymbol>? types, ISymbol within) where T : class, ISymbol 498private static IEnumerable<T> SelectAccessibleMembers<T>(this IEnumerable<ITypeSymbol>? types, string memberName, ISymbol within) where T : class, ISymbol 508private static bool? IsMoreSpecificThan(this ITypeSymbol t1, ITypeSymbol t2) 587public static bool IsOrDerivesFromExceptionType([NotNullWhen(returnValue: true)] this ITypeSymbol? type, Compilation compilation) 594foreach (var baseType in type.GetBaseTypesAndThis()) 605foreach (var constraint in ((ITypeParameterSymbol)type).ConstraintTypes) 620public static bool IsEnumType([NotNullWhen(true)] this ITypeSymbol? type) 623public static bool IsEnumType([NotNullWhen(true)] this ITypeSymbol? type, [NotNullWhen(true)] out INamedTypeSymbol? enumType) 635public static bool? IsMutableValueType(this ITypeSymbol type) 637if (type.IsNullable(out var underlyingType)) 714public static bool IsDisposable([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? iDisposableType) 719public static ITypeSymbol WithNullableAnnotationFrom(this ITypeSymbol type, ITypeSymbol symbolForNullableAnnotation) 723public static ITypeSymbol? RemoveNullableIfPresent(this ITypeSymbol? symbol)

52foreach (var arg in symbol.TypeArguments)

20var switchExpressionType = switchExpression?.Type; 26switchExpressionType = switchExpressionType.IsNullable(out var underlyingType) ? underlyingType : switchExpressionType;

47var switchExpressionType = switchExpression?.Type; 55switchExpressionType = switchExpressionType.IsNullable(out var underlyingType) ? underlyingType : switchExpressionType; 133ITypeSymbol enumType,

153public static string GenerateNameFromType(this SemanticModel semanticModel, ITypeSymbol type, ISyntaxFacts syntaxFacts, bool capitalize) 184private static bool ShouldPluralize(this SemanticModel semanticModel, ITypeSymbol type) 199ImmutableArray<ITypeSymbol> typeArguments, 234public static ITypeSymbol GetType(

407var typeSymbol = result.Value.Type; 696private ITypeSymbol ParseArrayType(ITypeSymbol typeSymbol) 764var boundReturnType = BindParameterOrReturnType(methodSymbol, returnType.Value); 801var parameterType = BindParameterOrReturnType(symbol.ContainingSymbol, parameterInfo.Type); 806private ITypeSymbol BindParameterOrReturnType(ISymbol bindingContext, TypeInfo type) 868public readonly ITypeSymbol Type; 876private TypeInfo(ITypeSymbol type, int startIndex) 882public static TypeInfo Create(ITypeSymbol type)

180=> symbol.IsKind(SymbolKind.NamedType, out ITypeSymbol? typeSymbol) && typeSymbol.SpecialType == SpecialType.System_Object;

110private bool NullableAnnotationsEquivalent(ITypeSymbol x, ITypeSymbol y) 479private bool TypeArgumentsAreEquivalent(ImmutableArray<ITypeSymbol> xTypeArguments, ImmutableArray<ITypeSymbol> yTypeArguments, Dictionary<INamedTypeSymbol, INamedTypeSymbol>? equivalentTypesWithDifferingAssemblies)

50return Hash.Combine(GetNullableAnnotationsHashCode((ITypeSymbol)x), Hash.Combine(typeof(IDynamicTypeSymbol), currentHash)); 56private int GetNullableAnnotationsHashCode(ITypeSymbol type)

11internal class SignatureTypeSymbolEquivalenceComparer : IEqualityComparer<ITypeSymbol?> 18public bool Equals(ITypeSymbol? x, ITypeSymbol? y) 21public bool Equals(ITypeSymbol? x, ITypeSymbol? y, Dictionary<INamedTypeSymbol, INamedTypeSymbol>? equivalentTypesWithDifferingAssemblies) 24public int GetHashCode(ITypeSymbol? x)

41using var propertyTypes = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

32foreach (var typeSymbol in elementTypeResolution.OfType<ITypeSymbol>())

30using var parameterTypes = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 47var returnTypeSymbol = (ITypeSymbol?)returnType.GetAnySymbol();

45visitor.WriteSymbolKeyArray(ImmutableArray<ITypeSymbol>.Empty); 73using var typeArguments = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

58using var parameterTypes = reader.ReadSymbolKeyArray<IFunctionPointerTypeSymbol, ITypeSymbol>( 78if (returnType.GetAnySymbol() is not ITypeSymbol returnTypeSymbol)

45foreach (var receiverType in receiverTypeResolution.OfType<ITypeSymbol>()) 71using var typeArguments = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 224_ = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 247var returnType = (ITypeSymbol?)reader.ReadSymbolKey(contextualSymbol: method.ReturnType, out _).GetAnySymbol();

34visitor.WriteSymbolKeyArray(ImmutableArray<ITypeSymbol>.Empty); 47using var typeArguments = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>( 63? Array.Empty<ITypeSymbol>() 88ITypeSymbol[] typeArgumentsArray, 138ITypeSymbol[] typeArgumentsArray, 165ITypeSymbol[] typeArguments) 189private static INamedTypeSymbol Construct(INamedTypeSymbol type, bool isUnboundGenericType, ITypeSymbol[] typeArguments)

34foreach (var typeSymbol in pointedAtTypeResolution.OfType<ITypeSymbol>())

67_ = reader.ReadSymbolKeyArray<IPropertySymbol, ITypeSymbol>(

383Func<TOwningSymbol, int, ITypeSymbol?> getContextualType, 387using var originalParameterTypes = this.ReadSymbolKeyArray<TOwningSymbol, ITypeSymbol>(owningSymbol, getContextualType, out _);

98using var elementTypes = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

400SymbolCategory.Type => symbol is ITypeSymbol type && type.TypeKind == (TypeKind)_kind,

127var type = _semanticModel.GetTypeInfo(_objectCreationExpression, _cancellationToken).Type;

135var type = _semanticModel.GetTypeInfo(_objectCreationExpression, _cancellationToken).Type; 186ITypeSymbol classOrStructType,

31protected abstract TExpressionSyntax Cast(TExpressionSyntax expression, ITypeSymbol type); 54out ImmutableArray<(TExpressionSyntax node, ITypeSymbol type)> potentialConversionTypes); 88var conversionType = potentialConversionTypes[i].type; 108ITypeSymbol conversionType, 119var castType = semanticModel.GetTypeInfo(castTypeNode, cancellationToken).Type; 142private static string GetSubItemName(SemanticModel semanticModel, int position, ITypeSymbol conversionType) 149protected static ImmutableArray<(TExpressionSyntax, ITypeSymbol)> FilterValidPotentialConversionTypes( 152ArrayBuilder<(TExpressionSyntax node, ITypeSymbol type)> mutablePotentialConversionTypes) 157using var _ = ArrayBuilder<(TExpressionSyntax, ITypeSymbol)>.GetInstance(out var validPotentialConversionTypes); 161var targetNodeConversionType = conversionTuple.type;

37protected abstract ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken); 391private async Task<(ITypeSymbol, RefKind)> GetArgumentTypeAndRefKindAsync(Document invocationDocument, TArgumentSyntax argument, CancellationToken cancellationToken) 395var argumentType = GetArgumentType(argument, semanticModel, cancellationToken); 533Compilation compilation, TypeInfo argumentTypeInfo, ITypeSymbol parameterType,

26protected abstract string GetTextPreviewOfChange(string aliasName, ITypeSymbol typeSymbol); 54foreach (var symbol in Sort(symbolInfo.CandidateSymbols.Cast<ITypeSymbol>(), placementOption.PlaceSystemNamespaceFirst)) 78private static IEnumerable<ITypeSymbol> Sort(IEnumerable<ITypeSymbol> types, bool sortSystemFirst) 82var typeToNameSegments = new Dictionary<ITypeSymbol, ImmutableArray<string>>(); 108ImmutableArray<string> GetNameSegments(ITypeSymbol symbol)

113public TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode 140public abstract TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, TCodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode;

25protected abstract ITypeSymbol GetForEachElementType(SemanticModel semanticModel, TForEachStatementSyntax forEachStatement); 73var elementType = GetForEachElementType(semanticModel, forEachStatement); 88ITypeSymbol iterationVariableType,

26protected abstract bool IsAsyncReturnType(ITypeSymbol type, KnownTypes knownTypes); 201protected static bool IsTaskLike(ITypeSymbol returnType, KnownTypes knownTypes)

39protected abstract ITypeSymbol GetSwitchType(TSwitchOperation switchStatement); 164var enumType = GetSwitchType(switchOperation); 167if (enumType.IsNullable(out var underlyingType))

43protected sealed override ITypeSymbol GetSwitchType(ISwitchExpressionOperation switchExpression)

59protected sealed override ITypeSymbol GetSwitchType(ISwitchOperation switchOperation)

108private static bool ShouldOfferFix(ITypeSymbol returnType, KnownTypes knownTypes) 113private static bool IsTaskType(ITypeSymbol returnType, KnownTypes knownTypes) 122ITypeSymbol returnType, 185ITypeSymbol returnType, 214private static SyntaxNode GetReturnTaskCompletedTaskStatement(SyntaxGenerator generator, ITypeSymbol returnType, KnownTypes knownTypes) 231private static SyntaxNode WrapExpressionWithTaskFromResult(SyntaxGenerator generator, SyntaxNode expression, ITypeSymbol returnType, KnownTypes knownTypes) 236var unwrappedReturnType = returnType.GetTypeArguments()[0];

590var type = semanticModel.GetTypeInfo(node, cancellationToken).Type; 675TLocalDeclarationStatementSyntax CreateLocalDeclarationStatement(ITypeSymbol type, string name)

102protected static IMethodSymbol? FindDisposeMethod(Compilation compilation, ITypeSymbol? type, bool isAsync) 178public bool IsPartial(ITypeSymbol typeSymbol, CancellationToken cancellationToken)

39protected abstract bool IsUnusableType(ITypeSymbol arg); 86protected static IEnumerable<TypeInferenceInfo> CreateResult(ITypeSymbol type) 91protected static IEnumerable<ITypeSymbol> ExpandParamsParameter(IParameterSymbol parameterSymbol) 93var result = new List<ITypeSymbol>(); 113var elementType = parameters.ElementAtOrDefault(0);

17private static ImmutableArray<ITypeSymbol> InferTypeBasedOnNameIfEmpty( 18SemanticModel semanticModel, ImmutableArray<ITypeSymbol> result, string nameOpt) 43private static ImmutableArray<ITypeSymbol> InferTypeBasedOnName( 48? ImmutableArray.Create<ITypeSymbol>(semanticModel.Compilation.GetSpecialType(SpecialType.System_Boolean)) 49: ImmutableArray<ITypeSymbol>.Empty; 81public ImmutableArray<ITypeSymbol> InferTypes( 93public ImmutableArray<ITypeSymbol> InferTypes(

76ITypeSymbol newParameterType, 161ITypeSymbol parameterType,

46public abstract ITypeSymbol ReturnType { get; } 47public abstract ImmutableArray<ITypeSymbol> TypeArguments { get; } 55public abstract ITypeSymbol GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter); 56public abstract IMethodSymbol ReduceExtensionMethod(ITypeSymbol receiverType); 66public virtual ITypeSymbol ReceiverType => this.ContainingType; 111public IMethodSymbol Construct(params ITypeSymbol[] typeArguments) 114public IMethodSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

58public INamedTypeSymbol Construct(params ITypeSymbol[] typeArguments) 69public INamedTypeSymbol Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<NullableAnnotation> typeArgumentNullableAnnotations) 89public abstract ImmutableArray<ITypeSymbol> TypeArguments { get; }

12public CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) 19public ITypeSymbol ElementType { get; }

14private readonly ImmutableArray<ITypeSymbol> _typeArguments; 18ImmutableArray<ITypeSymbol> typeArguments) 47public override ITypeSymbol ReturnType 56public override ImmutableArray<ITypeSymbol> TypeArguments => _typeArguments; 84public override ITypeSymbol GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter) 87public override IMethodSymbol ReduceExtensionMethod(ITypeSymbol receiverType)

16private readonly ImmutableArray<ITypeSymbol> _typeArguments; 20ImmutableArray<ITypeSymbol> typeArguments, 31public override ImmutableArray<ITypeSymbol> TypeArguments => _typeArguments;

24ITypeSymbol toType,

17public ITypeSymbol Type { get; } 31ITypeSymbol type,

19public ITypeSymbol Type { get; } 29ITypeSymbol type,

84public static bool IsSpecialType([NotNullWhen(true)] ITypeSymbol? type, SpecialType specialType) 134public static bool TypesMatch(ITypeSymbol? type, object value)

21public override ITypeSymbol ReturnType { get; } 32ITypeSymbol returnType, 100public override ImmutableArray<ITypeSymbol> TypeArguments 101=> this.TypeParameters.As<ITypeSymbol>(); 114public override ITypeSymbol GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter) 117public override IMethodSymbol ReduceExtensionMethod(ITypeSymbol receiverType)

127public override ImmutableArray<ITypeSymbol> TypeArguments 131return this.TypeParameters.As<ITypeSymbol>();

25ITypeSymbol returnType,

21public ITypeSymbol Type { get; } 34ITypeSymbol type,

11public ITypeSymbol PointedAtType { get; } 13public CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType)

20public ITypeSymbol Type { get; } 35ITypeSymbol type,

35DeclarationModifiers modifiers, ITypeSymbol type, 52ITypeSymbol type, 84ITypeSymbol type, RefKind refKind, ImmutableArray<IPropertySymbol> explicitInterfaceImplementations, string name, 110ITypeSymbol type, string name, 156ITypeSymbol? returnType, 178ITypeSymbol? returnType, 199ITypeSymbol returnType, 224ITypeSymbol toType, 252ITypeSymbol toType, 268public static IParameterSymbol CreateParameterSymbol(ITypeSymbol type, string name) 271public static IParameterSymbol CreateParameterSymbol(RefKind refKind, ITypeSymbol type, string name) 281ImmutableArray<AttributeData> attributes, RefKind refKind, bool isParams, ITypeSymbol type, string name, bool isOptional = false, bool hasDefaultValue = false, object? defaultValue = null) 294ITypeSymbol? type = null, 323name: name, constraintTypes: ImmutableArray.Create<ITypeSymbol>(), 334ImmutableArray<ITypeSymbol> constraintTypes, 349public static IPointerTypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 355public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 465ITypeSymbol returnType, 522ITypeSymbol? returnType = null,

14public ImmutableArray<ITypeSymbol> ConstraintTypes { get; internal set; } 28ImmutableArray<ITypeSymbol> constraintTypes,

56public static ImmutableArray<ITypeSymbol> TupleElementTypes => default; 60public new ITypeSymbol OriginalDefinition => this; 80bool ITypeSymbol.IsRefLikeType => throw new System.NotImplementedException(); 82bool ITypeSymbol.IsUnmanagedType => throw new System.NotImplementedException(); 84bool ITypeSymbol.IsReadOnly => Modifiers.IsReadOnly; 90public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation)

24protected abstract TArgumentSyntax GenerateNewArgument(TArgumentSyntax oldArgument, ITypeSymbol conversionType); 38public ImmutableArray<(TExpressionSyntax, ITypeSymbol)> GetPotentialConversionTypes( 60using var __ = ArrayBuilder<(TExpressionSyntax, ITypeSymbol)>.GetInstance(out var mutablePotentialConversionTypes); 65targetArgument, cancellationToken, out var targetArgumentConversionType) 116[NotNullWhen(true)] out ITypeSymbol? targetArgumentConversionType) 153var parameterType = parameters[parameterIndex].Type; 169&& semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type is ITypeSymbol argumentType

119TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode;

34: IComparer<(TExpressionSyntax syntax, ITypeSymbol symbol)> 44public int Compare((TExpressionSyntax syntax, ITypeSymbol symbol) x, 45(TExpressionSyntax syntax, ITypeSymbol symbol) y) 54var baseType = _semanticModel.GetTypeInfo(x.syntax).Type; 64private int GetInheritanceDistanceRecursive(ITypeSymbol baseType, ITypeSymbol? derivedType) 88private int GetInheritanceDistance(ITypeSymbol? baseType, ITypeSymbol castType)

47CommonConversion ClassifyConversion(SemanticModel semanticModel, SyntaxNode expression, ITypeSymbol destination);

9ITypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank); 10ITypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType); 11ITypeSymbol Construct(INamedTypeSymbol namedType, ITypeSymbol[] typeArguments);

29ImmutableArray<ITypeSymbol> InferTypes(SemanticModel semanticModel, SyntaxNode expression, string nameOpt, CancellationToken cancellationToken); 30ImmutableArray<ITypeSymbol> InferTypes(SemanticModel semanticModel, int position, string nameOpt, CancellationToken cancellationToken); 36internal readonly record struct TypeInferenceInfo(ITypeSymbol InferredType, bool IsParams) 38public TypeInferenceInfo(ITypeSymbol type) : this(type, IsParams: false)

15public static ImmutableArray<ITypeSymbol> InferTypes(this ITypeInferenceService service, SemanticModel semanticModel, SyntaxNode expression, CancellationToken cancellationToken) 18public static ImmutableArray<ITypeSymbol> InferTypes(this ITypeInferenceService service, SemanticModel semanticModel, int position, CancellationToken cancellationToken) 47private static INamedTypeSymbol? GetFirstDelegateType(SemanticModel semanticModel, ImmutableArray<ITypeSymbol> types) 53public static ITypeSymbol? InferType( 65public static ITypeSymbol? InferType( 83public static ITypeSymbol? InferType( 95public static ITypeSymbol? InferType(

64foreach (var child in symbol.GetAllTypeArguments()) 93foreach (var constraint in symbol.ConstraintTypes)

12this ITypeSymbol? type, IList<ITypeParameterSymbol>? result = null) 20this ITypeSymbol? type, IList<ITypeParameterSymbol>? result = null)

10/// Annotation placed on <see cref="ITypeSymbol"/>s that the <see cref="SyntaxGenerator"/> converts to a node. This

54public ImmutableArray<ITypeSymbol> InferredTypes { get; }

62ITypeSymbol type) 72private static ITypeSymbol GetType(Compilation compilation, ISymbol symbol)

429var type = variableExpression.Type;

77/// Produces an appropriate TypeSyntax for the given <see cref="ITypeSymbol"/>. The <paramref name="typeContext"/> 91public abstract SyntaxNode Type(ITypeSymbol typeSymbol, bool typeContext);

15public ITypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank) 18public ITypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 21public ITypeSymbol Construct(INamedTypeSymbol namedType, ITypeSymbol[] typeArguments)

922public ITypeSymbol? ConstrainedToType

124public CodeAnalysis.ITypeSymbol? GetPublicTypeSymbol()

1605protected override ITypeSymbol? CommonScriptGlobalsType 2113public Conversion ClassifyConversion(ITypeSymbol source, ITypeSymbol destination) 2147public override CommonConversion ClassifyCommonConversion(ITypeSymbol source, ITypeSymbol destination) 2153internal override IConvertibleConversion ClassifyConvertibleConversion(IOperation source, ITypeSymbol? destination, out ConstantValue? constantValue) 2162ITypeSymbol? sourceType = source.Type; 2221ITypeSymbol? throughType) 2237ITypeSymbol? throughType = null) 3715protected override IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, CodeAnalysis.NullableAnnotation elementNullableAnnotation) 3720protected override IPointerTypeSymbol CommonCreatePointerTypeSymbol(ITypeSymbol elementType) 3726ITypeSymbol returnType, 3728ImmutableArray<ITypeSymbol> parameterTypes, 3823ImmutableArray<ITypeSymbol> elementTypes, 3831ITypeSymbol typeSymbol = elementTypes[i]; 3878ImmutableArray<ITypeSymbol> memberTypes, 3912ITypeSymbol returnType, 3913ITypeSymbol leftType, 3914ITypeSymbol rightType) 4138ITypeSymbol returnType, 4139ITypeSymbol operandType) 4212protected override ITypeSymbol CommonDynamicType

575private static SymbolInfo GetSymbolInfoFromSymbolOrNone(ITypeSymbol type) 589private (ITypeSymbol Type, CodeAnalysis.NullableAnnotation Annotation) TypeFromVariable(SingleVariableDesignationSyntax variableDesignation, CancellationToken cancellationToken) 963var (declarationType, annotation) = ((ITypeSymbol, CodeAnalysis.NullableAnnotation))TypeFromVariable((SingleVariableDesignationSyntax)parent.Designation, cancellationToken); 2801public abstract Conversion ClassifyConversion(ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false); 2819public Conversion ClassifyConversion(int position, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

47public ITypeSymbol? ElementType { get; } 70ITypeSymbol elementType,

421ITypeSymbol destination,

218ITypeSymbol destination,

516public override Conversion ClassifyConversion(ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

438public static Conversion ClassifyConversion(this Compilation? compilation, ITypeSymbol source, ITypeSymbol destination) 1283public static Conversion ClassifyConversion(this SemanticModel? semanticModel, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false) 1303public static Conversion ClassifyConversion(this SemanticModel? semanticModel, int position, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

273protected override void ReportInvalidNamedArgument(DiagnosticBag diagnostics, SyntaxNode attributeSyntax, int namedArgumentIndex, ITypeSymbol attributeClass, string parameterName)

317ITypeSymbol? type = boundNode switch 420ITypeSymbol? type = boundDeconstructValuePlaceholder.GetPublicTypeSymbol(); 432ITypeSymbol? type = boundDeconstructionAssignmentOperator.GetPublicTypeSymbol(); 441ITypeSymbol? type = boundCall.GetPublicTypeSymbol(); 471ITypeSymbol? type = boundFunctionPointerInvocation.GetPublicTypeSymbol(); 554ITypeSymbol? type = boundLocal.GetPublicTypeSymbol(); 574ITypeSymbol? type = boundFieldAccess.GetPublicTypeSymbol(); 615ITypeSymbol? type = boundPropertyAccess.GetPublicTypeSymbol(); 625ITypeSymbol? type = boundIndexerAccess.GetPublicTypeSymbol(); 645ITypeSymbol? type = boundEventAccess.GetPublicTypeSymbol(); 657ITypeSymbol? type = boundEventAssignmentOperator.GetPublicTypeSymbol(); 666ITypeSymbol? type = boundParameter.GetPublicTypeSymbol(); 674ITypeSymbol? type = boundLiteral.GetPublicTypeSymbol(); 683ITypeSymbol? type = boundNode.GetPublicTypeSymbol(); 691ITypeSymbol? type = boundAnonymousObjectCreationExpression.GetPublicTypeSymbol(); 702ITypeSymbol? type = boundObjectCreationExpression.GetPublicTypeSymbol(); 739ITypeSymbol? type = boundWithExpression.GetPublicTypeSymbol(); 751ITypeSymbol? type = boundDynamicObjectCreationExpression.GetPublicTypeSymbol(); 780ITypeSymbol? type = boundDynamicInvocation.GetPublicTypeSymbol(); 822ITypeSymbol? type = boundDynamicIndexerAccess.GetPublicTypeSymbol(); 831ITypeSymbol? type = boundObjectInitializerExpression.GetPublicTypeSymbol(); 840ITypeSymbol? type = boundCollectionInitializerExpression.GetPublicTypeSymbol(); 849ITypeSymbol? type = boundObjectInitializerMember.GetPublicTypeSymbol(); 908ImmutableArray<ITypeSymbol> typeArguments = ImmutableArray<ITypeSymbol>.Empty; 909ITypeSymbol containingType = boundDynamicObjectInitializerMember.ReceiverType.GetPublicSymbol(); 911ITypeSymbol? type = boundDynamicObjectInitializerMember.GetPublicTypeSymbol(); 923ITypeSymbol? type = boundCollectionElementInitializer.GetPublicTypeSymbol(); 948ITypeSymbol? type, 951ITypeSymbol? containingType = null; 958ImmutableArray<ITypeSymbol> typeArguments = ImmutableArray<ITypeSymbol>.Empty; 973ITypeSymbol? type = boundCollectionElementInitializer.GetPublicTypeSymbol(); 1025ITypeSymbol? type = boundConversion.GetPublicTypeSymbol(); 1108ITypeSymbol? type = boundConversion.GetPublicTypeSymbol(); 1140ITypeSymbol? type = boundAsOperator.GetPublicTypeSymbol(); 1149ITypeSymbol? type = boundDelegateCreationExpression.GetPublicTypeSymbol(); 1160ITypeSymbol? bindingType = null; 1168ITypeSymbol? typeOperand = boundIsOperator.TargetType.GetPublicTypeSymbol(); 1171ITypeSymbol? type = boundIsOperator.GetPublicTypeSymbol(); 1179ITypeSymbol? typeOperand = boundSizeOfOperator.SourceType.GetPublicTypeSymbol(); 1182ITypeSymbol? type = boundSizeOfOperator.GetPublicTypeSymbol(); 1190ITypeSymbol? typeOperand = boundTypeOfOperator.SourceType.GetPublicTypeSymbol(); 1193ITypeSymbol? type = boundTypeOfOperator.GetPublicTypeSymbol(); 1203ITypeSymbol? type = boundArrayCreation.GetPublicTypeSymbol(); 1228ITypeSymbol? type = boundDefaultExpression.GetPublicTypeSymbol(); 1238ITypeSymbol? type = boundBaseReference.GetPublicTypeSymbol(); 1247ITypeSymbol? type = boundThisReference.GetPublicTypeSymbol(); 1271ITypeSymbol? type = boundAssignmentOperator.GetPublicTypeSymbol(); 1283ITypeSymbol? type = boundAssignmentOperator.GetPublicTypeSymbol(); 1300ITypeSymbol? type = boundCompoundAssignmentOperator.GetPublicTypeSymbol(); 1327ITypeSymbol? type = boundIncrementOperator.GetPublicTypeSymbol(); 1338ITypeSymbol? type = syntax.IsMissing ? null : boundBadExpression.GetPublicTypeSymbol(); 1350ITypeSymbol? type = boundNewT.GetPublicTypeSymbol(); 1359ITypeSymbol? type = creation.GetPublicTypeSymbol(); 1370ITypeSymbol? type = boundUnaryOperator.GetPublicTypeSymbol(); 1424ITypeSymbol? type = boundBinaryOperator.GetPublicTypeSymbol(); 1456ITypeSymbol? type = boundBinaryOperator.GetPublicTypeSymbol(); 1500ITypeSymbol? type = boundTupleBinaryOperator.GetPublicTypeSymbol(); 1512ITypeSymbol? type = boundConditionalOperator.GetPublicTypeSymbol(); 1523ITypeSymbol? type = boundNullCoalescingOperator.GetPublicTypeSymbol(); 1542ITypeSymbol? type = boundNode.GetPublicTypeSymbol(); 1552ITypeSymbol? type = boundAwaitExpression.GetPublicTypeSymbol(); 1562ITypeSymbol? type = boundArrayAccess.GetPublicTypeSymbol(); 1573ITypeSymbol? type = boundIndexerAccess.GetPublicTypeSymbol(); 1594ITypeSymbol? type = boundNameOfOperator.GetPublicTypeSymbol(); 1604ITypeSymbol? type = boundThrowExpression.GetPublicTypeSymbol(); 1613ITypeSymbol? type = boundAddressOfOperator.GetPublicTypeSymbol(); 1622ITypeSymbol? type = boundImplicitReceiver.GetPublicTypeSymbol(); 1632ITypeSymbol? type = boundConditionalAccess.GetPublicTypeSymbol(); 1641ITypeSymbol? type = boundConditionalReceiver.GetPublicTypeSymbol(); 1731ITypeSymbol? type = null; 1901ITypeSymbol exceptionType = boundCatchBlock.ExceptionTypeOpt.GetPublicSymbol() ?? _semanticModel.Compilation.ObjectType; 1940ITypeSymbol? statementType = null; 2119ITypeSymbol? type = boundTupleExpression.GetPublicTypeSymbol(); 2148ITypeSymbol? type = boundInterpolatedString.GetPublicTypeSymbol(); 2368ITypeSymbol? type = placeholder.GetPublicTypeSymbol(); 2427ITypeSymbol inputType = boundDeclarationPattern.InputType.GetPublicSymbol(); 2428ITypeSymbol narrowedType = boundDeclarationPattern.NarrowedType.GetPublicSymbol(); 2430ITypeSymbol? matchedType = acceptsNull ? null : boundDeclarationPattern.DeclaredType.GetPublicTypeSymbol(); 2438ITypeSymbol matchedType = (boundRecursivePattern.DeclaredType?.Type ?? boundRecursivePattern.InputType.StrippedType()).GetPublicSymbol(); 2631ITypeSymbol? type = boundIsPatternExpression.GetPublicTypeSymbol(); 2646ITypeSymbol? type = boundQueryClause.GetPublicTypeSymbol(); 2707internal IPropertySubpatternOperation CreatePropertySubpattern(BoundPropertySubpattern subpattern, ITypeSymbol matchedType) 2725var inputType = getInputType(member, matchedType); 2732ITypeSymbol previousType = inputType; 2747IPropertySubpatternOperation createPropertySubpattern(Symbol? symbol, IPatternOperation pattern, ITypeSymbol receiverType, SyntaxNode nameSyntax, bool isSingle) 2782static ITypeSymbol getInputType(BoundPropertySubpatternMember member, ITypeSymbol matchedType) 2790ITypeSymbol? type = placeholder.GetPublicTypeSymbol();

331ITypeSymbol type, 385ITypeSymbol? assignmentType = target.Type;

39ITypeSymbol symbol, 47ITypeSymbol symbol, 79ITypeSymbol symbol, 89ITypeSymbol symbol, 122ITypeSymbol symbol, 133ITypeSymbol symbol, 169ITypeSymbol symbol, 180ITypeSymbol symbol, 192ITypeSymbol symbol,

259ITypeSymbol type = GetRangeVariableType(symbol); 313Debug.Assert((object)containingType != null || (symbol.ContainingSymbol is ITypeSymbol));

313if ((object)symbol.ContainingType != null || (symbol.ContainingSymbol is ITypeSymbol)) 385ITypeSymbol containingType; 409containingType = (ITypeSymbol)symbol.ContainingSymbol; 881private static bool CanAddConstant(ITypeSymbol type, object value) 928Debug.Assert(containingType != null || (symbol.ContainingSymbol is ITypeSymbol));

52ITypeSymbol underlyingType = symbol; 74private void AddNullableAnnotations(ITypeSymbol type) 82private bool ShouldAddNullableAnnotation(ITypeSymbol type) 220var typeArg = symbol.TypeArguments[0]; 776ImmutableArray<ITypeSymbol> typeArguments; 794var typeArg = typeArguments[i]; 837private void AddTypeParameterConstraints(ImmutableArray<ITypeSymbol> typeArguments) 841foreach (var typeArg in typeArguments) 903ITypeSymbol baseType = typeParam.ConstraintTypes[i];

14private void AddConstantValue(ITypeSymbol type, object constantValue, bool preferNumericValueOrExpandedFlagsForEnum = false)

219private ITypeSymbol GetRangeVariableType(IRangeVariableSymbol symbol) 221ITypeSymbol type = null;

476protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

198internal override bool IsAttributeType(ITypeSymbol type)

242protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

544protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

124protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

146protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) => throw ExceptionUtilities.Unreachable();

1701protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

108internal static ITypeSymbol GetPublicSymbol(this TypeWithAnnotations type) 113internal static ImmutableArray<ITypeSymbol> GetPublicSymbols(this ImmutableArray<TypeWithAnnotations> types)

304protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

15private ITypeSymbol? _lazyElementType; 24protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 43ITypeSymbol IArrayTypeSymbol.ElementType

13private ITypeSymbol? _lazyType; 23ITypeSymbol IDiscardSymbol.Type

21protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

22protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

14private ITypeSymbol? _lazyType; 25ITypeSymbol IEventSymbol.Type

16private ITypeSymbol _lazyType; 38ITypeSymbol IFieldSymbol.Type

40protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

15private ITypeSymbol _lazyType; 25ITypeSymbol ILocalSymbol.Type

19private ITypeSymbol _lazyReturnType; 20private ImmutableArray<ITypeSymbol> _lazyTypeArguments; 21private ITypeSymbol _lazyReceiverType; 78ITypeSymbol IMethodSymbol.ReturnType 99ImmutableArray<ITypeSymbol> IMethodSymbol.TypeArguments 172ITypeSymbol IMethodSymbol.ReceiverType 195ITypeSymbol IMethodSymbol.GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter) 202IMethodSymbol IMethodSymbol.ReduceExtensionMethod(ITypeSymbol receiverType) 274IMethodSymbol IMethodSymbol.Construct(params ITypeSymbol[] typeArguments) 279IMethodSymbol IMethodSymbol.Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

15private ImmutableArray<ITypeSymbol> _lazyTypeArguments; 72ImmutableArray<ITypeSymbol> INamedTypeSymbol.TypeArguments 131INamedTypeSymbol INamedTypeSymbol.Construct(params ITypeSymbol[] typeArguments) 136INamedTypeSymbol INamedTypeSymbol.Construct(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation)

16private ITypeSymbol _lazyType; 26ITypeSymbol IParameterSymbol.Type

14private ITypeSymbol? _lazyPointedAtType; 23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 34ITypeSymbol IPointerTypeSymbol.PointedAtType

16private ITypeSymbol _lazyType; 31ITypeSymbol IPropertySymbol.Type

19protected static ImmutableArray<TypeWithAnnotations> ConstructTypeArguments(ITypeSymbol[] typeArguments) 22foreach (var typeArg in typeArguments) 31protected static ImmutableArray<TypeWithAnnotations> ConstructTypeArguments(ImmutableArray<ITypeSymbol> typeArguments, ImmutableArray<CodeAnalysis.NullableAnnotation> typeArgumentNullableAnnotations)

23protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 62ImmutableArray<ITypeSymbol> ITypeParameterSymbol.ConstraintTypes

21protected abstract ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation); 25CodeAnalysis.NullableAnnotation ITypeSymbol.NullableAnnotation => NullableAnnotation; 27ITypeSymbol ITypeSymbol.WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) 35return (ITypeSymbol)UnderlyingSymbol.ISymbol; 78ITypeSymbol ITypeSymbol.OriginalDefinition 86INamedTypeSymbol ITypeSymbol.BaseType 94ImmutableArray<INamedTypeSymbol> ITypeSymbol.Interfaces 102ImmutableArray<INamedTypeSymbol> ITypeSymbol.AllInterfaces 110ISymbol ITypeSymbol.FindImplementationForInterfaceMember(ISymbol interfaceMember) 117bool ITypeSymbol.IsUnmanagedType => !UnderlyingTypeSymbol.IsManagedTypeNoUseSiteDiagnostics; 119bool ITypeSymbol.IsReferenceType 127bool ITypeSymbol.IsValueType 135TypeKind ITypeSymbol.TypeKind 143bool ITypeSymbol.IsTupleType => UnderlyingTypeSymbol.IsTupleType; 145bool ITypeSymbol.IsNativeIntegerType => UnderlyingTypeSymbol.IsNativeIntegerType; 147string ITypeSymbol.ToDisplayString(CodeAnalysis.NullableFlowState topLevelNullability, SymbolDisplayFormat format) 152ImmutableArray<SymbolDisplayPart> ITypeSymbol.ToDisplayParts(CodeAnalysis.NullableFlowState topLevelNullability, SymbolDisplayFormat format) 157string ITypeSymbol.ToMinimalDisplayString(SemanticModel semanticModel, CodeAnalysis.NullableFlowState topLevelNullability, int position, SymbolDisplayFormat format) 162ImmutableArray<SymbolDisplayPart> ITypeSymbol.ToMinimalDisplayParts(SemanticModel semanticModel, CodeAnalysis.NullableFlowState topLevelNullability, int position, SymbolDisplayFormat format) 167bool ITypeSymbol.IsAnonymousType => UnderlyingTypeSymbol.IsAnonymousType; 169SpecialType ITypeSymbol.SpecialType => UnderlyingTypeSymbol.SpecialType; 171bool ITypeSymbol.IsRefLikeType => UnderlyingTypeSymbol.IsRefLikeType; 173bool ITypeSymbol.IsReadOnly => UnderlyingTypeSymbol.IsReadOnly; 175bool ITypeSymbol.IsRecord => UnderlyingTypeSymbol.IsRecord || UnderlyingTypeSymbol.IsRecordStruct;

414internal static TypeSymbol? EnsureCSharpSymbolOrNull(this ITypeSymbol? symbol, string paramName) 587internal static ITypeSymbol? GetPublicSymbol(this TypeSymbol? symbol) 589return symbol.GetPublicSymbol<ITypeSymbol>(); 708internal static ImmutableArray<ITypeSymbol> GetPublicSymbols(this ImmutableArray<TypeSymbol> symbols) 710return GetPublicSymbols<ITypeSymbol>(StaticCast<Symbol>.From(symbols)); 772internal static TypeSymbol? GetSymbol(this ITypeSymbol? symbol)

700protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

663return SymbolDisplay.ToDisplayString((ITypeSymbol)ISymbol, topLevelNullability, format); 668return SymbolDisplay.ToDisplayParts((ITypeSymbol)ISymbol, topLevelNullability, format); 677return SymbolDisplay.ToMinimalDisplayString((ITypeSymbol)ISymbol, topLevelNullability, semanticModel, position, format); 686return SymbolDisplay.ToMinimalDisplayParts((ITypeSymbol)ISymbol, topLevelNullability, semanticModel, position, format); 2439internal ITypeSymbol GetITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) 2443return (ITypeSymbol)this.ISymbol; 2451protected abstract ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation); 2461ITypeSymbol ITypeSymbolInternal.GetITypeSymbol()

121var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 156var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 160var parentCastType = semanticModel.GetTypeInfo(parentCast.Type, cancellationToken).Type; 296var originalConvertedType = originalSemanticModel.GetTypeInfo(castNode.WalkUpParentheses(), cancellationToken).ConvertedType; 455var castedExpressionType = originalSemanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 456var isType = originalSemanticModel.GetTypeInfo(isExpression.Right, cancellationToken).Type; 540var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 660var originalConvertedType = originalConversionOperation.Type; 661var rewrittenBitwiseNotConversionType = rewrittenBitwiseNotConversionOperation.Type; 674private static bool IsSignedIntegralOrIntPtrType(ITypeSymbol? type) 731var castType = originalSemanticModel.GetTypeInfo(castExpression, cancellationToken).Type; 754private static bool IsNullOrErrorType([NotNullWhen(false)] ITypeSymbol? type) 877var castSideType = semanticModel.GetTypeInfo(castSide, cancellationToken).Type; 878var castedExpressionType = semanticModel.GetTypeInfo(castExpression.Expression, cancellationToken).Type; 880if (castSideType.IsNullable(out var underlyingType) && Equals(underlyingType, castedExpressionType)) 882var otherSideType = semanticModel.GetTypeInfo(otherSide, cancellationToken).Type; 900var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 901var castedExpressionType = semanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 958private static bool IsFloatingPointType(ITypeSymbol? type) 1099var rewrittenType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).Type; 1214private static bool IsIntrinsicOrEnum(ITypeSymbol rewrittenType) 1222ITypeSymbol rewrittenType, 1261var originalMemberType = originalMemberSymbol.GetMemberType(); 1262var rewrittenMemberType = rewrittenMemberSymbol.GetMemberType(); 1312private static (ITypeSymbol? rewrittenConvertedType, Conversion rewrittenConversion) GetRewrittenInfo( 1315Conversion originalConversion, ITypeSymbol originalConvertedType, 1326var convertedType = originalConversion.IsIdentity ? originalConvertedType : originalSemanticModel.Compilation.ObjectType; 1330var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType;

85var castType = semanticModel.GetTypeInfo(castExpression.Type).Type; 121var asType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

26protected override (CommonConversion conversion, ITypeSymbol? collectionElementType) GetForEachInfo(

103var isType = semanticModel.GetTypeInfo(castExpression.Type).Type;

194var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType; 245private static bool IsIdentityOrImplicitConversion(Compilation compilation, ITypeSymbol type1, ITypeSymbol type2)

237public bool IsPartial(ITypeSymbol typeSymbol, CancellationToken cancellationToken) 353var type = semanticModel.GetTypeInfo(node, cancellationToken).Type;

78var declaredTypeSymbol = semanticModel.GetTypeInfo(variableDeclaration.Type.StripRefIfNeeded(), cancellationToken).Type; 103private static bool IsMadeOfSpecialTypes([NotNullWhen(true)] ITypeSymbol? type)

165var type = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

149var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type;

110var leftType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type; 111var rightType = semanticModel.GetTypeInfo(objectCreation, cancellationToken).Type;

195var declarationType = semanticModel.GetTypeInfo(declarationTypeNode, cancellationToken).Type; 205var newDeclarationType = newSemanticModel.GetTypeInfo(newDeclarationTypeNode, cancellationToken).Type; 293var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type; 332var initializerType = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

79var expressionType = semanticModel.GetTypeInfo(castExpression.Expression).Type;

262var convertedType = semanticModel.GetTypeInfo(nodeToCheck, cancellationToken).ConvertedType;

52var entityType = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).Type; 53var defaultType = semanticModel.GetTypeInfo(defaultExpression.Type, cancellationToken).Type;

649var instanceType = instanceSymbol.GetSymbolType(); 655var staticType = speculativeSymbolInfo.GetAnySymbol().GetSymbolType();

18public static IPropertySymbol? TryGetLengthOrCountProperty(ITypeSymbol namedType) 26public static IPropertySymbol? TryGetNoArgInt32Property(ITypeSymbol type, string name) 127public static IPropertySymbol? GetIndexer(ITypeSymbol type, ITypeSymbol parameterType, ITypeSymbol returnType) 142public static IMethodSymbol? GetOverload(IMethodSymbol method, ITypeSymbol parameterType)

9public static bool IsIntrinsicType(this ITypeSymbol typeSymbol)

316var potentialType = semanticModel.GetSpeculativeTypeInfo(expression.SpanStart, expression, SpeculativeBindingOption.BindAsTypeOrNamespace).Type;

22public static IEnumerable<ITypeSymbol> LookupTypeRegardlessOfArity( 32return results.OfType<ITypeSymbol>(); 36return SpecializedCollections.EmptyEnumerable<ITypeSymbol>();

254var originalParamType = this.OriginalSemanticModel.GetDeclaredSymbol(originalParam).Type; 255var replacedParamType = this.SpeculativeSemanticModel.GetDeclaredSymbol(replacedParam).Type; 373var originalExpressionType = originalExpressionTypeInfo.Type; 374var newExpressionType = newExpressionTypeInfo.Type; 422var originalCaseType = this.OriginalSemanticModel.GetTypeInfo(previousOriginalNode, this.CancellationToken).Type; 423var newCaseType = this.SpeculativeSemanticModel.GetTypeInfo(previousReplacedNode, this.CancellationToken).Type; 548var originalExpressionType = this.OriginalSemanticModel.GetTypeInfo(originalAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 549var newExpressionType = this.SpeculativeSemanticModel.GetTypeInfo(replacedAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 685var originalConvertedType = this.OriginalSemanticModel.GetTypeInfo(originalIsOrAsExpression.Right).Type; 686var newConvertedType = this.SpeculativeSemanticModel.GetTypeInfo(newIsOrAsExpression.Right).Type; 768protected override bool ConversionsAreCompatible(ExpressionSyntax originalExpression, ITypeSymbol originalTargetType, ExpressionSyntax newExpression, ITypeSymbol newTargetType) 812protected override void GetForEachSymbols(SemanticModel model, CommonForEachStatementSyntax forEach, out IMethodSymbol getEnumeratorMethod, out ITypeSymbol elementType) 819protected override bool IsReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 822protected override Conversion ClassifyConversion(SemanticModel model, ExpressionSyntax expression, ITypeSymbol targetType) 825protected override Conversion ClassifyConversion(SemanticModel model, ITypeSymbol originalType, ITypeSymbol targetType)

18public static bool IsBuiltInType(ITypeSymbol type) 33ITypeSymbol? typeInDeclaration, 53var tupleElementType = tupleType.TupleElements[i].Type; 119ITypeSymbol? typeInDeclaration, 129var containingType = semanticModel.GetTypeInfo(containingTypeName, cancellationToken).Type; 144ITypeSymbol? typeInDeclaration, 145ITypeSymbol containingType) 161var returnType = methodSymbol.ReturnType; 176ITypeSymbol? typeInDeclaration, 177ITypeSymbol containingType) 179var returnType = UnwrapTupleType(methodSymbol.ReturnType); 193private static ITypeSymbol? UnwrapTupleType(ITypeSymbol? symbol)

38var type = semanticModel.GetTypeInfo(typeSyntax).Type;

20protected override ArgumentSyntax GenerateNewArgument(ArgumentSyntax oldArgument, ITypeSymbol conversionType)

20protected override AttributeArgumentSyntax GenerateNewArgument(AttributeArgumentSyntax oldArgument, ITypeSymbol conversionType)

81ITypeSymbol? declaratorToRemoveType = null;

39ITypeSymbol? declaratorToRemoveType, 66ITypeSymbol? declaratorToRemoveType, 103private StatementSyntax GenerateVariableDeclaration(ExpressionSyntax switchExpression, ITypeSymbol? declaratorToRemoveType) 262var expressionType = _semanticModel.GetSymbolInfo(node.Expression).Symbol.GetSymbolType(); 263var expressionConvertedType = _semanticModel.GetTypeInfo(node.Expression).ConvertedType;

989ITypeSymbol? testType = null;

53protected override ExpressionSyntax Cast(ExpressionSyntax expression, ITypeSymbol type) 63out ImmutableArray<(ExpressionSyntax, ITypeSymbol)> potentialConversionTypes) 65potentialConversionTypes = ImmutableArray<(ExpressionSyntax, ITypeSymbol)>.Empty; 66using var _ = ArrayBuilder<(ExpressionSyntax, ITypeSymbol)>.GetInstance(out var mutablePotentialConversionTypes); 71var conversionType = inferenceService.InferType(semanticModel, spanNode, objectAsDefault: false, cancellationToken);

53protected override ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken)

57if (!TryGetMethodReturnType(node, model, cancellationToken, out var methodReturnType)) 62if (!TryGetExpressionType(model, returnStatement.Expression, out var returnExpressionType)) 92SemanticModel model, ExpressionSyntax? expression, [NotNullWhen(true)] out ITypeSymbol? returnExpressionType) 107[NotNullWhen(true)] out ITypeSymbol? methodReturnType) 120private bool IsCorrectTypeForYieldReturn(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, ITypeSymbol methodReturnType, SemanticModel model) 154private bool CanConvertTypes(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, SemanticModel model) 193private static bool IsCorrectTypeForYieldReturn(ITypeSymbol methodReturnType, SemanticModel model)

32protected override string GetTextPreviewOfChange(string alias, ITypeSymbol typeSymbol)

144var localType = local.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated); 145var asType = asExpressionTypeInfo.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

52var type = methodSymbol.ReturnType; 63var typeArg = type.GetTypeArguments().First();

756public override TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CSharpCodeGenerationContextInfo info, CancellationToken cancellationToken)

34var typeSymbol = model.GetSymbolInfo(typeOfExpression.Type, cancellationToken).Symbol.GetSymbolType();

81var returnedType = semanticModel.GetTypeInfo(returnedValue, cancellationToken).Type; 96var previousReturnType = semanticModel.GetTypeInfo(declarationTypeToFix, cancellationToken).Type; 159private static ITypeSymbol? InferTupleType(TupleExpressionSyntax tuple, SemanticModel semanticModel, CancellationToken cancellationToken) 168var inferredTupleTypes = new ITypeSymbol[argCount]; 173var type = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type;

26protected override ITypeSymbol GetForEachElementType( 30var result = forEachInfo.ElementType;

254ITypeSymbol symbol, CSharpCodeFixOptionsProvider options) 267private static bool IsVarDesired(ITypeSymbol type, CSharpCodeFixOptionsProvider options)

67protected override bool IsAsyncReturnType(ITypeSymbol type, KnownTypes knownTypes) 129var returnType = methodSymbol.ReturnType; 156static TypeSyntax MakeGenericType(string type, ITypeSymbol typeArgumentFrom) 169private static bool IsIAsyncEnumerableOrEnumerator(ITypeSymbol returnType, KnownTypes knownTypes) 173private static bool IsIEnumerable(ITypeSymbol returnType, KnownTypes knownTypes) 176private static bool IsIEnumerator(ITypeSymbol returnType, KnownTypes knownTypes)

62var returnType = methodSymbol.ReturnType;

89var type = semanticModel.GetTypeInfo(defaultLiteral, cancellationToken).ConvertedType; 126private static bool IsFlagsEnum(ITypeSymbol type, Compilation compilation)

117public CommonConversion ClassifyConversion(SemanticModel semanticModel, SyntaxNode expression, ITypeSymbol destination) 141var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

134public override SyntaxNode Type(ITypeSymbol typeSymbol, bool typeContext)

35protected override bool IsUnusableType(ITypeSymbol otherSideType) 612private IMethodSymbol Instantiate(IMethodSymbol method, IList<ITypeSymbol> invocationTypes) 636IDictionary<ITypeParameterSymbol, ITypeSymbol> bestMap = null; 637foreach (var type in invocationTypes) 658private Dictionary<ITypeParameterSymbol, ITypeSymbol> DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType) 660var result = new Dictionary<ITypeParameterSymbol, ITypeSymbol>(); 665private void DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType, Dictionary<ITypeParameterSymbol, ITypeSymbol> result) 1134return leftTypes.Select(x => x.InferredType.IsNullable(out var underlying) 1146static ITypeSymbol MakeNullable(ITypeSymbol symbol, Compilation compilation) 1474var type = this.SemanticModel.GetTypeInfo(recursivePattern).ConvertedType; 1593var elementTypesBuilder = ArrayBuilder<ITypeSymbol>.GetInstance(subPatternCount); 1620private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes) 1800var typeArg = delegateType?.TypeArguments.Length > 0 1818private ITypeSymbol InferTypeForFirstParameterOfLambda( 1833private ITypeSymbol InferTypeForFirstParameterOfParenthesizedLambda( 1842private ITypeSymbol InferTypeForFirstParameterOfSimpleLambda( 1849private ITypeSymbol InferTypeForFirstParameterOfLambda( 1856private ITypeSymbol InferTypeForFirstParameterOfLambda( 1874var type = InferTypeForFirstParameterOfLambda(parameterName, child.AsNode()); 2033var memberType = memberSymbol.GetMemberType(); 2045private ITypeSymbol UnwrapTaskLike(ITypeSymbol type, bool isAsync) 2088var type = symbol.GetMemberType(); 2235var type = symbol.GetSymbolType(); 2301using var _1 = ArrayBuilder<ITypeSymbol>.GetInstance(out var tupleTypes); 2327var tupleType = GetTupleType(tupleExpression); 2338private ITypeSymbol GetTupleType( 2352out ImmutableArray<ITypeSymbol> elementTypes, 2358using var _1 = ArrayBuilder<ITypeSymbol>.GetInstance(out var elementTypesBuilder); 2396ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2418ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2421var tupleType = GetTupleType(tuple);

101var type = semanticModel.GetTypeInfo(coalesce, cancellationToken).Type;

119var type = semanticModel.GetTypeInfo(expr).Type; 133var governingType = semanticModel.GetTypeInfo(p.Target.Syntax).Type.RemoveNullableIfPresent();

34return typedConstant.Value is ITypeSymbol 35? SyntaxFactory.TypeOfExpression(((ITypeSymbol)typedConstant.Value).GenerateTypeSyntax()) 55ITypeSymbol? type, 64if (type.IsNullable(out var underlyingType)) 76internal static ExpressionSyntax GenerateNonEnumValueExpression(SyntaxGenerator generator, ITypeSymbol? type, object? value, bool canUseFieldReference) 119private static string DetermineSuffix(ITypeSymbol? type, object value) 173private static ExpressionSyntax GenerateDoubleLiteralExpression(ITypeSymbol? type, double value, bool canUseFieldReference) 202private static ExpressionSyntax GenerateSingleLiteralExpression(ITypeSymbol? type, float value, bool canUseFieldReference) 232ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 243ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 279private static ExpressionSyntax? GenerateFieldReference<T>(ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants)

86ITypeSymbol targetType) 101ITypeSymbol targetType, 118var type = semanticModel.GetSpeculativeTypeInfo( 168out ITypeSymbol? container)

16public static ITypeSymbol DetermineParameterType( 24public static ITypeSymbol DetermineParameterType(ExpressionSyntax expression, SemanticModel semanticModel, CancellationToken cancellationToken)

62foreach (var type in constraintTypes)

26public static ExpressionSyntax GenerateExpressionSyntax(this ITypeSymbol typeSymbol, bool nameSyntax = false) 38var type = symbol as ITypeSymbol; 94public static bool ContainingTypesOrSelfHasUnsafeKeyword(this ITypeSymbol containingType) 112public static async Task<ISymbol?> FindApplicableAliasAsync(this ITypeSymbol type, int position, SemanticModel semanticModel, CancellationToken cancellationToken)

62ITypeSymbol underlyingType = symbol; 234var innerType = symbol.TypeArguments.First();

2509if (semanticModel.GetSymbolInfo(objectCreation.Type, cancellationToken).Symbol is ITypeSymbol type && !type.CanSupportCollectionInitializer(containingSymbol)) 3052return target.IsType && ((ITypeSymbol)target).TypeKind == TypeKind.Enum;

218var symbolType = capture.GetSymbolType();

175return symbol is ITypeSymbol type

9public static ITypeSymbol? GetConvertedTypeWithAnnotatedNullability(this TypeInfo typeInfo) 12public static ITypeSymbol? GetTypeWithAnnotatedNullability(this TypeInfo typeInfo)

137var returnType = property.Type;

49: firstSymbol as ITypeSymbol; 57var returnType = method.ReturnType;

96var tupleTypeSymbol = GetConvertedType(semanticModel, typeSyntax.Parent, cancellationToken); 107var typeSymbol = GetConvertedType(semanticModel, typeSyntax, cancellationToken); 136var typeSymbol = GetConvertedType(semanticModel, typeSyntax, cancellationToken); 147private static ITypeSymbol AdjustNullabilityOfTypeSymbol( 148ITypeSymbol typeSymbol, 168private static ExpressionSyntax GenerateTupleDeclaration(ITypeSymbol typeSymbol, ParenthesizedVariableDesignationSyntax parensDesignation) 178var type = elements[i].Type; 210private static SyntaxNode GenerateTypeDeclaration(TypeSyntax typeSyntax, ITypeSymbol newTypeSymbol) 221private static ITypeSymbol GetConvertedType(SemanticModel semanticModel, SyntaxNode typeSyntax, CancellationToken cancellationToken) 223var typeSymbol = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).ConvertedType;

51var type = semanticModel.GetTypeInfo(variableDeclaration.Type, cancellationToken).ConvertedType; 67Document document, TextSpan span, ITypeSymbol type, CancellationToken cancellationToken)

86var returnType = lambdaType.DelegateInvokeMethod.ReturnType;

73var member01 = (typesym.GetMembers("myEvent").Single() as IEventSymbol).Type; 76var member02 = (typesym.GetMembers("Prop").Single() as IPropertySymbol).Type; 82var member04 = (typesym.GetMembers("M").Single() as IMethodSymbol).Parameters[0].Type; 85var member05 = (typesym.GetMembers(WellKnownMemberNames.Indexer).Single() as IPropertySymbol).Type; 239var mtsym20_1 = mem20_1.ReturnType; 243var mtsym20_2 = mem20_2.Parameters[0].Type; 246var mtsym20_3 = mem20_2.Parameters[1].Type; 259var localType = ((ILocalSymbol)local).Type;

54internal static void ResolveAndVerifyTypeSymbol(ExpressionSyntax node, ITypeSymbol sourceSymbol, SemanticModel model, CSharpCompilation sourceComp)

171var parameterType = callbackParamater.Type;

31ITypeSymbol inferredType;

860Assert.Equal("C.<M>d__0", ((ITypeSymbol)argument.Value).ToTestDisplayString());

1471var tuple1 = model.GetTypeInfo(xy).Type; 1475var tuple2 = model.GetTypeInfo(ab).Type; 1512var tupleType1 = model.GetTypeInfo(tuple1).Type; 1517var tupleType2 = model.GetTypeInfo(tuple1).Type; 1565var tupleType = model.GetTypeInfo(tuple).Type; 5404var xType = ((IFieldSymbol)xSymbol).Type; 5411var yType = ((IFieldSymbol)ySymbol).Type; 5437var xType = ((IFieldSymbol)xSymbol).Type; 5444var yType = ((IFieldSymbol)ySymbol).Type; 5569var xType = ((IFieldSymbol)xSymbol).Type; 5611var xTypeISymbol = xType.Type.GetPublicSymbol(); 5617var yType = ((IFieldSymbol)ySymbol).Type; 5648var x1Type = ((IFieldSymbol)x1Symbol).Type; 5657var x2Type = ((IFieldSymbol)x2Symbol).Type; 5692var x1Type = ((IFieldSymbol)x1Symbol).Type; 5701var x2Type = ((IFieldSymbol)x2Symbol).Type;

897INamedTypeSymbol iNamedType = comp.CreateAnonymousTypeSymbol(ImmutableArray.Create<ITypeSymbol>(comp.ObjectType.GetPublicSymbol()), ImmutableArray.Create("qq")); 905iNamedType = comp.CreateTupleTypeSymbol(ImmutableArray.Create<ITypeSymbol>(comp.ObjectType.GetPublicSymbol(), comp.ObjectType.GetPublicSymbol())); 1061INamedTypeSymbol iNamedType = comp.CreateAnonymousTypeSymbol(ImmutableArray.Create<ITypeSymbol>(comp.ObjectType.GetPublicSymbol()), ImmutableArray.Create("qq")); 1069iNamedType = comp.CreateTupleTypeSymbol(ImmutableArray.Create<ITypeSymbol>(comp.ObjectType.GetPublicSymbol(), comp.ObjectType.GetPublicSymbol()));

1738static void verifyType(string expectedType, ITypeSymbol type, bool inferDelegate)

6205ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 6323var vbType = (ITypeSymbol)vbComp.GlobalNamespace.GetMembers("C").Single(); 6336Assert.Throws<ArgumentNullException>(() => comp.CreateTupleTypeSymbol(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<string>))); 6339Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(ImmutableArray<ITypeSymbol>.Empty, default(ImmutableArray<string>))); 6576ITypeSymbol vbType = (ITypeSymbol)vbComp.GlobalNamespace.GetMembers("C").Single(); 6605var tuple3 = comp.CreateTupleTypeSymbol(ImmutableArray.Create<ITypeSymbol>(intType, intType, intType, intType, intType, intType, intType, stringType, stringType), 6922private static bool TypeEquals(ITypeSymbol a, ITypeSymbol b, TypeCompareKind compareKind) => 13983Assert.True(((ITypeSymbol)nameofArgSymbolInfo.Symbol).IsTupleType); 14339var m5Tuple = ((IMethodSymbol)symbolInfo.Symbol).TypeParameters[0].ConstraintTypes.Single(); 14349var m6Tuple = m6Method.ReturnType; 14462var v1Type = ((ILocalSymbol)symbolInfo.Symbol).Type; 14472var v2Type = ((ILocalSymbol)symbolInfo.Symbol).Type; 18867ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18868ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18887ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18888ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18927ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18928ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18929ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 18953ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18954ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18955ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 18978ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18979ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18980ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19003ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19004ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19005ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19029ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19030ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19031ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19071ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19072ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19073ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19110ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19111ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19112ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19149ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19150ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19151ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19188ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19189ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19190ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 22890var xSymbol = ((ILocalSymbol)model.GetDeclaredSymbol(x)).Type; 24435var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24508var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24581var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24655var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 25064var xSymbol = ((ILocalSymbol)model.GetDeclaredSymbol(x)).Type;

5980var destTypeSymbol = ((MethodSymbol)comp.GetMember("Program.Convert")).ReturnType.GetPublicSymbol(); 10656var returnType = model.GetDeclaredSymbol(method).ReturnType;

108var type = local.Type; 131private static void AssertTypeInfo(SemanticModel model, TypeSyntax typeSyntax, ITypeSymbol expectedType) 150var type = ((ILocalSymbol)symbol).Type; 274var type = local.Type; 385var type = symbol.GetTypeOrReturnType();

3482Assert.True(((ITypeSymbol)compilation.GetSemanticModel(tree).GetTypeInfo(x1Ref).Type).IsErrorType()); 3488Assert.True(((ITypeSymbol)compilation.GetSemanticModel(tree).GetTypeInfo(x2Ref).Type).IsErrorType());

240protected override ITypeSymbol GetDeconstructInfo( 246protected override ITypeSymbol GetQueryClauseInfo( 624var leftExpressionType = semanticInfo.Type;

20protected override ArgumentSyntax GenerateNewArgument(ArgumentSyntax oldArgument, ITypeSymbol conversionType)

20protected override AttributeArgumentSyntax GenerateNewArgument(AttributeArgumentSyntax oldArgument, ITypeSymbol conversionType)

156if (typeSymbol != null && typeSymbol.IsKind(SymbolKind.NamedType) && ((ITypeSymbol)typeSymbol).TypeKind == TypeKind.Delegate)

67ITypeSymbol type;

62protected override SyntaxNode GenerateTypeSyntax(ITypeSymbol symbol, bool allowVar) 65protected override ExpressionSyntax GenerateLiteralExpression(ITypeSymbol typeSymbol, object? value)

98protected override ITypeSymbol? GetTypeSymbolOfExpression(SemanticModel semanticModel, SyntaxNode potentialAwaitableExpression, CancellationToken cancellationToken) 107return symbol is ITypeSymbol ? null : semanticModel.GetTypeInfo(memberAccessExpression, cancellationToken).Type; 110expression.ShouldNameExpressionBeTreatedAsExpressionInsteadOfType(semanticModel, out _, out var container))

217var leftType = semanticModel.GetTypeInfo(parent.Container, cancellationToken).Type; 271var typeSymbol = symbol as ITypeSymbol;

193private static ITypeSymbol? GetDelegateType(TypeInferenceInfo typeInferenceInfo, Compilation compilation) 195var typeSymbol = typeInferenceInfo.InferredType;

32public readonly ITypeSymbol? Type; 42ITypeSymbol? type = null, 157var type = typeInferenceService.InferType(semanticModel, argument.SpanStart, objectAsDefault: false, cancellationToken: cancellationToken); 199return symbol is ITypeSymbol; 383if (symbolInfo.GetAnySymbol() is ITypeSymbol type)

78var (type, plural) = UnwrapType(nameInfo.Type, semanticModel.Compilation, wasPlural: false, seenTypes: new HashSet<ITypeSymbol>()); 84private static bool IsValidType([NotNullWhen(true)] ITypeSymbol? type) 104private (ITypeSymbol, bool plural) UnwrapType(ITypeSymbol type, Compilation compilation, bool wasPlural, HashSet<ITypeSymbol> seenTypes) 137var collectionType = namedType.GetMembers() 295var methodParameterType = semanticModel.GetTypeInfo(parameterType, cancellationToken).Type;

22internal static ImmutableArray<Words> GetBaseNames(ITypeSymbol type, bool pluralize) 100private static string TryRemoveKnownPrefixes(ITypeSymbol type)

108CompletionContext context, SemanticModel semanticModel, SyntaxToken token, ITypeSymbol type, bool isParams, CancellationToken cancellationToken) 116var typeArg = type.GetTypeArguments().FirstOrDefault(); 131var enumType = TryGetEnumTypeInEnumInitializer(semanticModel, token, type, cancellationToken) ?? 220ITypeSymbol symbolType; 269private static ITypeSymbol? TryGetEnumTypeInEnumInitializer( 271ITypeSymbol type, CancellationToken cancellationToken) 316private static INamedTypeSymbol? TryGetCompletionListType(ITypeSymbol type, INamedTypeSymbol? within, Compilation compilation) 342private static INamedTypeSymbol? TryGetTypeWithStaticMembers(ITypeSymbol type)

119private static void AddType(ITypeSymbol symbol, StringBuilder builder)

74var symbol = semanticModel.GetSymbolInfo(name, cancellationToken).Symbol as ITypeSymbol;

191var expressionType = semanticModel.GetTypeInfo(elementAccessExpression.Expression, cancellationToken).Type;

86var initializedType = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 108protected override Tuple<ITypeSymbol, Location>? GetInitializedType( 137var type = GetInitializedType(token, document, semanticModel, cancellationToken); 146private static ITypeSymbol? GetInitializedType(SyntaxToken token, Document document, SemanticModel semanticModel, CancellationToken cancellationToken)

71var type = (ITypeSymbol)result.Single().Symbol; 93if (symbol is ITypeSymbol typeSymbol)

144if (symbols is [INamedTypeSymbol containingType, ITypeSymbol fromType, ITypeSymbol toType])

55public override bool TryDetermineReturnType(SyntaxToken startToken, SemanticModel semanticModel, CancellationToken cancellationToken, out ITypeSymbol? returnType, out SyntaxToken nextToken) 197public override ImmutableArray<ISymbol> FilterOverrides(ImmutableArray<ISymbol> members, ITypeSymbol? returnType)

60var propertyPatternType = semanticModel.GetTypeInfo((PatternSyntax)propertyPatternClause.Parent!, cancellationToken).ConvertedType; 64var type = GetMemberAccessType(propertyPatternType, memberAccess, document, semanticModel, position); 100static ITypeSymbol? GetMemberAccessType(ITypeSymbol? type, ExpressionSyntax? expression, Document document, SemanticModel semanticModel, int position) 119static ITypeSymbol? GetMemberType(ITypeSymbol? type, string name, Document document, SemanticModel semanticModel, int position) 136static ImmutableArray<ISymbol> GetCandidatePropertiesAndFields(Document document, SemanticModel semanticModel, int position, ITypeSymbol? type)

106=> s is ITypeSymbol ts && ts.IsIntrinsicType();

67var typeSymbol = foreachInfo.ExplicitCastInterface ??

115ITypeSymbol iterationVariableType)

39public override bool CanImplicitlyConvert(SemanticModel semanticModel, SyntaxNode syntax, ITypeSymbol targetType)

353internal static bool TypeSymbolIsList(ITypeSymbol typeSymbol, SemanticModel semanticModel)

36ForEachInfo.SemanticModel.GetSymbolInfo(objectCreationExpression.Type, cancellationToken).Symbol is ITypeSymbol typeSymbol &&

374private bool IsInt(ITypeSymbol typeSymbol) 377private bool IsList(ITypeSymbol typeSymbol) 383Func<ITypeSymbol, bool> typeCheckMethod, 418Func<ITypeSymbol, bool> typeCheckMethod, 560ITypeSymbol returnedType; 672var forEachStatementTypeSymbolType = _semanticModel.GetTypeInfo(forEachStatement.Type, _cancellationToken).Type;

81ITypeSymbol? declaratorToRemoveType = null;

39ITypeSymbol? declaratorToRemoveType, 66ITypeSymbol? declaratorToRemoveType, 103private StatementSyntax GenerateVariableDeclaration(ExpressionSyntax switchExpression, ITypeSymbol? declaratorToRemoveType) 262var expressionType = _semanticModel.GetSymbolInfo(node.Expression).Symbol.GetSymbolType(); 263var expressionConvertedType = _semanticModel.GetTypeInfo(node.Expression).ConvertedType;

989ITypeSymbol? testType = null;

53protected override ExpressionSyntax Cast(ExpressionSyntax expression, ITypeSymbol type) 63out ImmutableArray<(ExpressionSyntax, ITypeSymbol)> potentialConversionTypes) 65potentialConversionTypes = ImmutableArray<(ExpressionSyntax, ITypeSymbol)>.Empty; 66using var _ = ArrayBuilder<(ExpressionSyntax, ITypeSymbol)>.GetInstance(out var mutablePotentialConversionTypes); 71var conversionType = inferenceService.InferType(semanticModel, spanNode, objectAsDefault: false, cancellationToken);

53protected override ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken)

57if (!TryGetMethodReturnType(node, model, cancellationToken, out var methodReturnType)) 62if (!TryGetExpressionType(model, returnStatement.Expression, out var returnExpressionType)) 92SemanticModel model, ExpressionSyntax? expression, [NotNullWhen(true)] out ITypeSymbol? returnExpressionType) 107[NotNullWhen(true)] out ITypeSymbol? methodReturnType) 120private bool IsCorrectTypeForYieldReturn(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, ITypeSymbol methodReturnType, SemanticModel model) 154private bool CanConvertTypes(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, SemanticModel model) 193private static bool IsCorrectTypeForYieldReturn(ITypeSymbol methodReturnType, SemanticModel model)

32protected override string GetTextPreviewOfChange(string alias, ITypeSymbol typeSymbol)

144var localType = local.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated); 145var asType = asExpressionTypeInfo.Type.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

85var castType = semanticModel.GetTypeInfo(castExpression.Type).Type; 121var asType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

52var type = methodSymbol.ReturnType; 63var typeArg = type.GetTypeArguments().First();

34var typeSymbol = model.GetSymbolInfo(typeOfExpression.Type, cancellationToken).Symbol.GetSymbolType();

81var returnedType = semanticModel.GetTypeInfo(returnedValue, cancellationToken).Type; 96var previousReturnType = semanticModel.GetTypeInfo(declarationTypeToFix, cancellationToken).Type; 159private static ITypeSymbol? InferTupleType(TupleExpressionSyntax tuple, SemanticModel semanticModel, CancellationToken cancellationToken) 168var inferredTupleTypes = new ITypeSymbol[argCount]; 173var type = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type;

26protected override ITypeSymbol GetForEachElementType( 30var result = forEachInfo.ElementType;

26protected override (CommonConversion conversion, ITypeSymbol? collectionElementType) GetForEachInfo(

254ITypeSymbol symbol, CSharpCodeFixOptionsProvider options) 267private static bool IsVarDesired(ITypeSymbol type, CSharpCodeFixOptionsProvider options)

103var isType = semanticModel.GetTypeInfo(castExpression.Type).Type;

67protected override bool IsAsyncReturnType(ITypeSymbol type, KnownTypes knownTypes) 129var returnType = methodSymbol.ReturnType; 156static TypeSyntax MakeGenericType(string type, ITypeSymbol typeArgumentFrom) 169private static bool IsIAsyncEnumerableOrEnumerator(ITypeSymbol returnType, KnownTypes knownTypes) 173private static bool IsIEnumerable(ITypeSymbol returnType, KnownTypes knownTypes) 176private static bool IsIEnumerator(ITypeSymbol returnType, KnownTypes knownTypes)

62var returnType = methodSymbol.ReturnType;

194var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType; 245private static bool IsIdentityOrImplicitConversion(Compilation compilation, ITypeSymbol type1, ITypeSymbol type2)

89var type = semanticModel.GetTypeInfo(defaultLiteral, cancellationToken).ConvertedType; 126private static bool IsFlagsEnum(ITypeSymbol type, Compilation compilation)

101var type = semanticModel.GetTypeInfo(coalesce, cancellationToken).Type;

165var type = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

110var leftType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type; 111var rightType = semanticModel.GetTypeInfo(objectCreation, cancellationToken).Type;

79var expressionType = semanticModel.GetTypeInfo(castExpression.Expression).Type;

262var convertedType = semanticModel.GetTypeInfo(nodeToCheck, cancellationToken).ConvertedType;

119var type = semanticModel.GetTypeInfo(expr).Type; 133var governingType = semanticModel.GetTypeInfo(p.Target.Syntax).Type.RemoveNullableIfPresent();

48var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 81var type = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).Type;

1540private static bool GroupBySignatureComparer(ImmutableArray<IParameterSymbol> oldParameters, ITypeSymbol oldReturnType, ImmutableArray<IParameterSymbol> newParameters, ITypeSymbol newReturnType)

39ITypeSymbol type, 93protected override ITypeSymbol GetRangeVariableType(SemanticModel model, IRangeVariableSymbol symbol) 135protected override ITypeSymbol GetSymbolType(SemanticModel semanticModel, ISymbol symbol)

171ITypeSymbol type, 194var currentType = semanticModel.GetSpeculativeTypeInfo(contextNode.SpanStart, typeName, SpeculativeBindingOption.BindAsTypeOrNamespace).Type;

660var type = variable.GetVariableType(); 828var newType = methodSymbolResult.Data.ReturnType.WithNullableAnnotation(NullableAnnotation.NotAnnotated);

104var returnType = AnalyzerResult.ReturnType;

92var map = new Dictionary<ITypeSymbol, List<LocalDeclarationStatementSyntax>>(); 114Dictionary<ITypeSymbol, List<LocalDeclarationStatementSyntax>> map) 118var type = _semanticModel.GetSpeculativeTypeInfo(_contextPosition, statement.Declaration.Type, SpeculativeBindingOption.BindAsTypeOrNamespace).Type; 125Dictionary<ITypeSymbol, List<LocalDeclarationStatementSyntax>> map) 183var semanticInfo = _semanticModel.GetSpeculativeTypeInfo(_contextPosition, declarationStatement.Declaration.Type, SpeculativeBindingOption.BindAsTypeOrNamespace).Type;

53public override ITypeSymbol? GetContainingScopeType() 79var regularType = GetRegularExpressionType(model, node); 94private static ITypeSymbol? GetRegularExpressionType(SemanticModel semanticModel, ExpressionSyntax node)

69public override ITypeSymbol GetContainingScopeType()

263public static bool IsObjectType(this ITypeSymbol? type)

179protected override ITypeSymbol GetArgumentType(SemanticModel semanticModel, Argument argument, CancellationToken cancellationToken) 182protected override bool IsConversionImplicit(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType)

64var targetType = semanticModel.GetTypeInfo(target, cancellationToken: cancellationToken).Type;

154protected override ITypeSymbol DetermineReturnTypeForSimpleNameOrMemberAccessExpression(

47protected override ITypeSymbol DetermineReturnTypeWorker(CancellationToken cancellationToken) 52var inferredType = typeInference.InferType( 64var type = argument.DetermineParameterType(semanticModel, cancellationToken); 136protected override ImmutableArray<ITypeSymbol> DetermineParameterTypes(CancellationToken cancellationToken) 139private ITypeSymbol DetermineParameterType(ArgumentSyntax argument, CancellationToken cancellationToken) 148protected override bool IsImplicitReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 154protected override ImmutableArray<ITypeSymbol> DetermineTypeArguments(CancellationToken cancellationToken) 156using var _ = ArrayBuilder<ITypeSymbol>.GetInstance(out var result);

196protected override bool TryConvertToLocalDeclaration(ITypeSymbol type, SyntaxToken identifierToken, SemanticModel semanticModel, CancellationToken cancellationToken, out SyntaxNode newRoot)

459var expressionType = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 561protected override ITypeSymbol DetermineArgumentType(SemanticModel semanticModel, ArgumentSyntax argument, CancellationToken cancellationToken) 564protected override bool IsConversionImplicit(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 811private static ITypeSymbol GetPropertyType( 833SimpleNameSyntax propertyName, ITypeSymbol propertyType) 861var propertyType = GetPropertyType(propertyName, semanticModel, typeInference, cancellationToken);

43protected override bool IsImplicitConversion(Compilation compilation, ITypeSymbol source, ITypeSymbol destination)

44protected override bool IsImplicitConversion(Compilation compilation, ITypeSymbol source, ITypeSymbol destination)

44public static bool IsImplicitConversion(Compilation compilation, ITypeSymbol source, ITypeSymbol destination)

42var type = semanticModel.GetTypeInfo(variableDeclaration.Type, cancellationToken).Type; 52var type = semanticModel.GetTypeInfo(declarationExpression.Type, cancellationToken).Type; 59var type = local?.Type; 70var type = info.ElementType; 96var type = semanticModel.GetTypeInfo(implicitNew, cancellationToken).Type; 109ITypeSymbol type, 139private static bool IsValidType([NotNullWhen(true)] ITypeSymbol? type)

142var delegateReturnType = delegateType.DelegateInvokeMethod.ReturnType; 211var typeSymbol = GetTypeSymbol(document, expression, cancellationToken);

18public static IPropertySymbol? TryGetLengthOrCountProperty(ITypeSymbol namedType) 26public static IPropertySymbol? TryGetNoArgInt32Property(ITypeSymbol type, string name) 127public static IPropertySymbol? GetIndexer(ITypeSymbol type, ITypeSymbol parameterType, ITypeSymbol returnType) 142public static IMethodSymbol? GetOverload(IMethodSymbol method, ITypeSymbol parameterType)

218var symbolType = capture.GetSymbolType();

162var type = parameter.Type; 188bool HasImplicitConversion(SyntaxNode expression, ITypeSymbol destination)

176var type = namedParameter is IFieldSymbol ? ((IFieldSymbol)namedParameter).Type : ((IPropertySymbol)namedParameter).Type;

82if (!TryGetIndexers(position, semanticModel, expression, cancellationToken, out var indexers, out var expressionType) && 182out ImmutableArray<IPropertySymbol> indexers, out ITypeSymbol? expressionType) 200out ImmutableArray<IPropertySymbol> indexers, out ITypeSymbol? expressionType)

263foreach (var baseType in typeParam.ConstraintTypes)

48var containingType = GetContainingType(method); 61private static ITypeSymbol? GetContainingType(IMethodSymbol method) 63var result = method.ReceiverType;

85var invokedType = semanticModel.GetTypeInfo(invocationExpression.Expression, cancellationToken).Type; 138var invokedType = semanticModel.GetTypeInfo(invocationExpression.Expression, cancellationToken).Type;

42ITypeSymbol? throughType = null;

34protected override async Task<ITypeSymbol?> GetEnumSymbolAsync(Document document, TextSpan switchExpressionSpan, CancellationToken cancellationToken) 46var typeSymbol = model.GetTypeInfo(expressionNode, cancellationToken).Type;

96var tupleTypeSymbol = GetConvertedType(semanticModel, typeSyntax.Parent, cancellationToken); 107var typeSymbol = GetConvertedType(semanticModel, typeSyntax, cancellationToken); 136var typeSymbol = GetConvertedType(semanticModel, typeSyntax, cancellationToken); 147private static ITypeSymbol AdjustNullabilityOfTypeSymbol( 148ITypeSymbol typeSymbol, 168private static ExpressionSyntax GenerateTupleDeclaration(ITypeSymbol typeSymbol, ParenthesizedVariableDesignationSyntax parensDesignation) 178var type = elements[i].Type; 210private static SyntaxNode GenerateTypeDeclaration(TypeSyntax typeSyntax, ITypeSymbol newTypeSymbol) 221private static ITypeSymbol GetConvertedType(SemanticModel semanticModel, SyntaxNode typeSyntax, CancellationToken cancellationToken) 223var typeSymbol = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).ConvertedType;

51var type = semanticModel.GetTypeInfo(variableDeclaration.Type, cancellationToken).ConvertedType; 67Document document, TextSpan span, ITypeSymbol type, CancellationToken cancellationToken)

86var returnType = lambdaType.DelegateInvokeMethod.ReturnType;

43var argType = semanticModel.GetTypeInfo(GetArgumentExpression(argument)).Type;

125var typeSymbol = semanticModel.GetTypeInfo(type, cancellationToken).Type;

751ITypeSymbol karrayType = (classA.GetMembers("karray").Single() as IFieldSymbol).Type; 752ITypeSymbol aarrayType = (classA.GetMembers("aarray").Single() as IFieldSymbol).Type; 753ITypeSymbol kptrType = (classA.GetMembers("kptr").Single() as IFieldSymbol).Type; 754ITypeSymbol aptrType = (classA.GetMembers("aptr").Single() as IFieldSymbol).Type; 755ITypeSymbol kinreturnfuncptrType = (classA.GetMembers("kinreturnfuncptr").Single() as IFieldSymbol).Type; 756ITypeSymbol kinparamfuncptr1Type = (classA.GetMembers("kinparamfuncptr1").Single() as IFieldSymbol).Type; 757ITypeSymbol kinparamfuncptr2Type = (classA.GetMembers("kinparamfuncptr2").Single() as IFieldSymbol).Type; 758ITypeSymbol afuncptrType = (classA.GetMembers("afuncptr").Single() as IFieldSymbol).Type; 759ITypeSymbol kenumType = (classA.GetMembers("kenum").Single() as IFieldSymbol).Type; 760ITypeSymbol aenumType = (classA.GetMembers("aenum").Single() as IFieldSymbol).Type; 764ITypeSymbol unknownType = (classA.GetMembers("unknowntype").Single() as IFieldSymbol).Type; 1518var ptr1 = comp.GetMember<FieldSymbol>("A.ptr1").Type.GetPublicSymbol(); 1519var ptr2 = comp.GetMember<FieldSymbol>("A.ptr2").Type.GetPublicSymbol();

9382var type = model!.GetTypeInfo(expr).Type; 11448static ITypeSymbol getFunctionType(NamedTypeSymbol delegateType) 11453static void verifyConversions(SemanticModel model, ExpressionSyntax expr, ITypeSymbol destination, ConversionKind expectedImplicitKind, ConversionKind expectedExplicitKind) 11477protected override ITypeSymbol WithNullableAnnotation(CodeAnalysis.NullableAnnotation nullableAnnotation) => this;

2888var localSymbolType = localSymbol.Type;

590private static ITypeSymbol GetSpeculativeType(Compilation comp, string name)

1036Assert.NotNull(((ITypeSymbol)typeInfo.Type).GetMember("String")); 1090Assert.NotNull(((ITypeSymbol)typeInfo.Type).GetMember("SomeProperty"));

457var argType0 = model.GetTypeInfo(attrArg0).Type; 463var argType1 = model.GetTypeInfo(attrArg1).Type;

1119var bookType = model.GetTypeInfo(book).Type; 1160var authorType = model.GetTypeInfo(author).Type; 1201var bookResultType = model.GetTypeInfo(bookResult).Type; 1205var authorResultType = model.GetTypeInfo(authorResult).Type;

1691Assert.True(((ITypeSymbol)p.GetMember<MethodSymbol>("Test3").GetAttributes().Single().ConstructorArguments.Single().Value).IsErrorType()); 1692Assert.True(((ITypeSymbol)p.GetMember<MethodSymbol>("Test4").GetAttributes().Single().ConstructorArguments.Single().Value).IsErrorType());

290var underlyingTypeArgument = underlyingInterface.TypeArguments[i]; 291var nativeIntegerTypeArgument = nativeIntegerInterface.TypeArguments[i]; 4077var type = model.GetSpeculativeTypeInfo(spanStart, typeSyntax, SpeculativeBindingOption.BindAsTypeOrNamespace).Type; 4122var type = model.GetTypeInfo(node).Type; 9474var destTypeSymbol = ((MethodSymbol)comp.GetMember("Program.Convert")).ReturnType.GetPublicSymbol(); 15420var symbol = (ITypeSymbol)model.GetSymbolInfo(cref).Symbol;

161var coalesceType = semanticModel.GetTypeInfo(coalesceAssignment).Type;

2987var type1 = model.GetTypeInfo(negOne).Type; 2993var type2 = model.GetTypeInfo(boolPlusPlus).Type; 2999var type3 = model.GetTypeInfo(errorPlusPlus).Type; 8642Assert.True(((ITypeSymbol)symbol1.ContainingSymbol).IsDynamic()); 8653Assert.True(((ITypeSymbol)symbol2.ContainingSymbol).IsDynamic()); 8692Assert.True(((ITypeSymbol)symbol1.ContainingSymbol).IsDynamic()); 8703Assert.True(((ITypeSymbol)symbol2.ContainingSymbol).IsDynamic()); 11339var type = (ITypeSymbol)compilation.GetSemanticModel(tree).GetTypeInfo(negNode).Type;

1007ITypeSymbol expectedType = null 1041ITypeSymbol expected = expectedSymbol?.GetTypeOrReturnType(); 1071private static void AssertTypeFromOperation(SemanticModel model, ITypeSymbol expectedType, DeclarationExpressionSyntax decl) 21407Assert.True(((ITypeSymbol)model.GetTypeInfo(zRef).Type).IsErrorType()); 22662Assert.True(((ITypeSymbol)model.GetTypeInfo(reference).Type).IsErrorType());

535var type = model.GetTypeInfo(creation).Type!; 555var type = model.GetDeclaredSymbol(method)!.ReturnType; 575var type = model.GetDeclaredSymbol(method)!.ReturnType; 597var type = model.GetDeclaredSymbol(method)!.GetParameterType(0);

67ITypeSymbol getLocalType(string name)

3345var typeArgSymbol = constructedMethodSymbol.TypeArguments.Single(); 3349var paramTypeSymbol = constructedMethodSymbol.Parameters.Single().Type;

346var actualType = model.GetTypeInfo(conditionalExpr).Type;

3489ITypeSymbol getLocalType(string name) 3548ITypeSymbol getLocalType(string name) 4428var type = typeInfo.Type; 4495var type = typeInfo.Type; 4533var type = typeInfo.Type; 4575var type = typeInfo.Type; 4706var type = typeInfo.Type; 5548var type = typeInfo.Type; 5552var convertedType = typeInfo.ConvertedType; 7347ITypeSymbol type = symbol.Type; 7786var type = typeSummary.Symbol as ITypeSymbol; 7848var type = typeSummary.Symbol as ITypeSymbol; 7908var type = typeSummary.Symbol as ITypeSymbol;

2511ImmutableArray.Create((ITypeSymbol)null), 2521ImmutableArray.Create((ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32), 2522(ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32)), 2533ImmutableArray.Create((ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32), 2534(ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32)), 2545ImmutableArray.Create((ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32), 2546(ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32)), 2557ImmutableArray.Create((ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32), 2558(ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32)), 2569default(ImmutableArray<ITypeSymbol>), 2579ImmutableArray.Create((ITypeSymbol)null), 2589ImmutableArray.Create((ITypeSymbol)null), 2599ImmutableArray.Create((ITypeSymbol)compilation.GetSpecialType(SpecialType.System_Int32)), 2608ImmutableArray.Create<ITypeSymbol>(compilation.GetSpecialType(SpecialType.System_Int32)), 2627ImmutableArray.Create<ITypeSymbol>(compilation.GetSpecialType(SpecialType.System_Int32), 2644ImmutableArray.Create<ITypeSymbol>(compilation.GetSpecialType(SpecialType.System_Int32), compilation.GetSpecialType(SpecialType.System_Boolean)), 2659var memberTypes = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String)); 2689var type = comp.CreateAnonymousTypeSymbol(ImmutableArray<ITypeSymbol>.Empty, ImmutableArray<string>.Empty, memberNullableAnnotations: ImmutableArray<CodeAnalysis.NullableAnnotation>.Empty); 2699var memberTypes = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String)); 2713private static ImmutableArray<CodeAnalysis.NullableAnnotation> GetAnonymousTypeNullableAnnotations(ITypeSymbol type) 3033var typeArguments = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String)); 3035Assert.Throws<ArgumentException>(() => genericType.Construct(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>))); 3044Assert.Throws<ArgumentException>(() => genericType.Construct(ImmutableArray.Create<ITypeSymbol>(null, null), default)); 3053typeArguments = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String)); 3068var typeArguments = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String)); 3070Assert.Throws<ArgumentException>(() => genericMethod.Construct(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<CodeAnalysis.NullableAnnotation>))); 3079Assert.Throws<ArgumentException>(() => genericMethod.Construct(ImmutableArray.Create<ITypeSymbol>(null, null), default)); 3088typeArguments = ImmutableArray.Create<ITypeSymbol>(comp.GetSpecialType(SpecialType.System_Object), comp.GetSpecialType(SpecialType.System_String));

37var e1 = (ITypeSymbol)c.GlobalNamespace.GetMembers("E1").Single(); 44var e2 = (ITypeSymbol)c.GlobalNamespace.GetMembers("E2").Single();

869private void ConversionTestHelper(SemanticModel semanticModel, ExpressionSyntax expr, ITypeSymbol expsym, ConversionKind expkind) 1027ITypeSymbol returnType = methodSymbol.ReturnType; 2800var returnType = method.ReturnType; 3329var gNullableType = mngMethod.GetParameterType(0); 3395var gNullableType = mngMethod.GetParameterType(0); 4116Assert.Equal(SpecialType.System_Collections_Generic_IEnumerable_T, ((ITypeSymbol)info0.Symbol.OriginalDefinition).SpecialType); 4120Assert.Equal(SpecialType.System_Int32, ((ITypeSymbol)info1.Symbol).SpecialType); 4124Assert.Equal(SpecialType.System_Collections_Generic_IEnumerable_T, ((ITypeSymbol)info2.Symbol.OriginalDefinition).SpecialType); 4171Assert.Equal(SpecialType.System_Int32, ((ITypeSymbol)info1.Symbol).SpecialType); 4175Assert.Equal(SpecialType.System_Collections_Generic_IEnumerable_T, ((ITypeSymbol)info2.Symbol.OriginalDefinition).SpecialType); 4682var paramType0 = methodBar.GetParameterType(0); 4684var paramType1 = methodBar.GetParameterType(1); 4727var paramType0 = methodBar.GetParameterType(0); 4729var paramType1 = methodBar.GetParameterType(1); 5420Assert.Throws<ArgumentException>(() => type.Construct(new ITypeSymbol[] { null })); // null type arg 5428Assert.Throws<ArgumentException>(() => type.Construct(new ITypeSymbol[] { null })); // null type arg

731var lookup = symbolInfo.Symbol as ITypeSymbol; 2718var typeSymbol = speculativeModel.GetTypeInfo(speculatedTypeSyntax).Type; 3754var firstParamType = ((ISymbol)exprInfo.CandidateSymbols.Single()).GetParameters().First().Type; 4649var type = model.GetTypeInfo(exprSyn).Type;

1633var symbols = model.LookupSymbols(position).Where(s => !s.IsStatic && !((s is ITypeSymbol))); 1636var symbols2 = model.LookupSymbols(position, container: symbolC).Where(s => !s.IsStatic && !((s is ITypeSymbol))); 1877var typeA = ((IParameterSymbol)symbols[0]).Type; 1881var typeB = ((IParameterSymbol)symbols[0]).Type; 2014var type = ((IParameterSymbol)symbols[0]).Type; 4003ITypeSymbol boundType; 4007boundType = symbolInfo.Symbol as ITypeSymbol; 4013boundType = symbolInfo.Symbol as ITypeSymbol; 4019boundType = symbolInfo.Symbol as ITypeSymbol; 4025boundType = symbolInfo.Symbol as ITypeSymbol; 4031boundType = symbolInfo.Symbol as ITypeSymbol; 4037boundType = symbolInfo.Symbol as ITypeSymbol; 4043boundType = symbolInfo.Symbol as ITypeSymbol; 4049boundType = symbolInfo.Symbol as ITypeSymbol; 4054boundType = symbolInfo.Symbol as ITypeSymbol; 4060boundType = symbolInfo.Symbol as ITypeSymbol; 4659var declaringType = compilation.GlobalNamespace.GetMember<ITypeSymbol>("Enclosing").GetMember<ITypeSymbol>("Declaring");

6255Assert.Equal(SpecialType.System_String, ((ITypeSymbol)symbol).SpecialType); 9159var type = semanticInfo.Type; 9183var type = semanticInfo.Type; 9211var type = semanticInfo.Type; 9235var type = semanticInfo.Type; 14578Assert.True(((ITypeSymbol)semanticInfo.Type).IsErrorType());

5563var crefTypeParam = referencedType.TypeArguments.Single(); 6053var members = model.LookupSymbols(typeParameterSyntax.SpanStart, (ITypeSymbol)typeParameterSymbol);

4538var a = (ITypeSymbol)comp.GlobalNamespace.GetMembers("A").Single(); 5078Assert.True(((ITypeSymbol)firstPart.Symbol).IsTupleType); 8092var type = semanticModel.GetTypeInfo(declaration.Declaration.Type).Type; 8143var type = semanticModel.GetTypeInfo(declaration.Declaration.Type).Type; 8177var type = ((ILocalSymbol)model.GetDeclaredSymbol(name.Names[0])).Type;

720var type = info0.Type; 739var type = info0.Type; 1072private static void CheckAnonymousType(ITypeSymbol type, string name, string metadataName) 1887ITypeSymbol[] args = new ITypeSymbol[namedType.Arity]; 1899var type = info.Type; 1918private void CheckFieldNameAndLocation(TestData data, ITypeSymbol type, SyntaxNode identifier)

1691var typeA3 = localA3.Type; 1692var typeA4 = localA4.Type; 1925ImmutableArray.Create<ITypeSymbol>(compilation.GetSpecialType(SpecialType.System_Int32).GetPublicSymbol(), compilation.GetSpecialType(SpecialType.System_Boolean).GetPublicSymbol()),

7216var int64 = ((IMethodSymbol)model.GetSymbolInfo(xNode.Parent).Symbol).ReturnType; 7288var int64 = ((IMethodSymbol)model.GetSymbolInfo(xNode.Parent).Symbol).ReturnType; 7359var int64 = ((IMethodSymbol)model.GetSymbolInfo(xNode.Parent).Symbol).ReturnType;

395ITypeSymbol targetType = ((ILocalSymbol)model.GetDeclaredSymbol(variableDeclarator)).Type;

154var i = type.TypeArguments.First();

3787var type = model.GetTypeInfo(member.Expression).Type; 3874var baseClass = model.GetTypeInfo(instance).Type; 3921var baseClass = model.GetTypeInfo(instance).Type; 3966var baseClass = model.GetTypeInfo(instance).Type; 4016var baseClass = model.GetTypeInfo(instance).Type;

1538Assert.Throws<ArgumentNullException>("returnType", () => comp.CreateFunctionPointerTypeSymbol(returnType: null!, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty)); 1540Assert.Throws<ArgumentNullException>("parameterTypes[0]", () => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray.Create((ITypeSymbol?)null)!, parameterRefKinds: ImmutableArray.Create(RefKind.None))); 1541Assert.Throws<ArgumentNullException>("parameterRefKinds", () => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: default)); 1542Assert.Throws<ArgumentNullException>("callingConventionTypes[0]", () => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.Unmanaged, ImmutableArray.Create((INamedTypeSymbol)null!))); 1543Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray.Create(RefKind.None))); 1544Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.Out, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty)); 1545Assert.Throws<ArgumentOutOfRangeException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: (SignatureCallingConvention)10)); 1546Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.Default, callingConventionTypes: ImmutableArray.Create(cdeclType)!)); 1547Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.StdCall, callingConventionTypes: ImmutableArray.Create(cdeclType)!)); 1548Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.FastCall, callingConventionTypes: ImmutableArray.Create(cdeclType)!)); 1549Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.CDecl, callingConventionTypes: ImmutableArray.Create(cdeclType)!)); 1550Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.ThisCall, callingConventionTypes: ImmutableArray.Create(cdeclType)!)); 1551Assert.Throws<ArgumentException>(() => comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.Unmanaged, callingConventionTypes: ImmutableArray.Create(@string)!)); 1559var ptr = comp.CreateFunctionPointerTypeSymbol(returnType: @string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, callingConvention: SignatureCallingConvention.VarArgs); 1591ImmutableArray.Create((ITypeSymbol)@string), 1608ImmutableArray.Create((ITypeSymbol)@string), 1626ImmutableArray.Create((ITypeSymbol)@string), 1644var ptr = comp.CreateFunctionPointerTypeSymbol(@string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, convention); 1646ptr = comp.CreateFunctionPointerTypeSymbol(@string, returnRefKind: RefKind.RefReadOnly, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, convention); 1659var ptr = comp.CreateFunctionPointerTypeSymbol(@string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, SignatureCallingConvention.Unmanaged, ImmutableArray.Create(cdeclType, stdcallType)!); 1661ptr = comp.CreateFunctionPointerTypeSymbol(@string, returnRefKind: RefKind.RefReadOnly, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, SignatureCallingConvention.Unmanaged, ImmutableArray.Create(cdeclType, stdcallType)!); 1664ptr = comp.CreateFunctionPointerTypeSymbol(@string, returnRefKind: RefKind.None, parameterTypes: ImmutableArray<ITypeSymbol>.Empty, parameterRefKinds: ImmutableArray<RefKind>.Empty, SignatureCallingConvention.Unmanaged, ImmutableArray.Create(cdeclType)!); 1971parameterTypes: ImmutableArray<ITypeSymbol>.Empty,

496var t = field.GetAttributes().First().CommonConstructorArguments.Single().Type; 1211Assert.Equal("System.Linq.Expressions.Expression.BinaryExpressionProxy", ((ITypeSymbol)attr1.CommonConstructorArguments[0].Value).ToDisplayString(SymbolDisplayFormat.TestFormat)); 1216Assert.Equal("System.Linq.Expressions.Expression.TypeBinaryExpressionProxy", ((ITypeSymbol)attr1.CommonConstructorArguments[0].Value).ToDisplayString(SymbolDisplayFormat.TestFormat));

277Assert.False(((ITypeSymbol)members[0]).IsErrorType());

265var localA1Type = localA1.Type; 329var localType = local.Type; 553var constructedC1 = fieldT.Type;

4373Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4401Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4431Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4461Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4491Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4523Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4556Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4584Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4614Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4645Assert.Equal(PublicNullableAnnotation.NotAnnotated, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation); 4678Assert.Equal(PublicNullableAnnotation.None, ((ITypeSymbol)symbol2.Symbol).NullableAnnotation);

104var usingAliasType = model.GetTypeInfo(usingAlias.NamespaceOrType).Type; 219var usingAliasType = model.GetTypeInfo(usingAlias.NamespaceOrType).Type; 274var usingAliasType = model.GetTypeInfo(usingAlias.NamespaceOrType).Type; 312var info2 = symbolInfo.Symbol as ITypeSymbol; 318var info3 = symbolInfo.Symbol as ITypeSymbol; 324var info4 = symbolInfo.Symbol as ITypeSymbol; 358var info2 = symbolInfo.Symbol as ITypeSymbol; 364var info3 = symbolInfo.Symbol as ITypeSymbol; 370var info4 = symbolInfo.Symbol as ITypeSymbol;

225var type1 = ((IFieldSymbol)comp.GetMember("A.field1")).Type; 226var type2 = ((IFieldSymbol)comp.GetMember("A.field2")).Type; 249var type1 = ((IFieldSymbol)comp.GetMember("A.field1")).Type; 250var type2 = ((IFieldSymbol)comp.GetMember("A.field2")).Type; 285var type1 = ((IFieldSymbol)comp.GetMember("A.field1")).Type; 286var type2 = ((IFieldSymbol)comp.GetMember("A.field2")).Type; 309var type1 = ((IFieldSymbol)comp.GetMember("A.field1")).Type; 310var type2 = ((IFieldSymbol)comp.GetMember("A.field2")).Type; 344var type1comp1 = ((IFieldSymbol)comp1.GetMember("A.field1")).Type; 345var type1comp2 = ((IFieldSymbol)comp2.GetMember("A.field1")).Type; 346var type2 = ((IFieldSymbol)comp2.GetMember("B.field2")).Type; 376var symbol1 = ((IFieldSymbol)comp.GetMember("A.field1")).Type; 454var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 455var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 485var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 486var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 528var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 529var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 559var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 560var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 630var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 631var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 644var prop1Type = property1.Type; 645var prop2Type = property2.Type; 679var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 680var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 693var prop1Type = field1.Type; 694var prop2Type = field2.Type; 731var type1 = ((IFieldSymbol)model.GetDeclaredSymbol(member1Syntax.Declaration.Variables[0])).Type; 732var type2 = ((IFieldSymbol)model.GetDeclaredSymbol(member2Syntax.Declaration.Variables[0])).Type; 745var prop1Type = event1.Type; 746var prop2Type = event2.Type; 788var field1Type = field1.Type; // A<T!> 789var field2Type = field2.Type; // A<T!> 839var method1ReturnType = method1.ReturnType; // A<T!> 840var method2ReturnType = method2.ReturnType; // A<T!> 846var method1ParamType = method1.Parameters.First().Type; // A<T!> 847var method2ParamType = method2.Parameters.First().Type; // A<T!> 900var event1Type = event1.Type; // System.EventHandler<T!> 901var event2Type = event2.Type; // System.EventHandler<T!>

1682var anonymousType = (locals[3] as ILocalSymbol).Type; 1687var memType = anonymousType.GetMember<IPropertySymbol>("p0").Type; 1692var nestedType = anonymousType.GetMember<IPropertySymbol>("p1").Type; 1718var compType = (model.GetDeclaredSymbol(mnode) as IMethodSymbol).Parameters[0].Type; 1765var memType = sym.Type; 1773Assert.Equal(TypeKind.Interface, ((ITypeSymbol)tinfo.Type).TypeKind); 1777Assert.True(((ITypeSymbol)tinfo.Type).IsNullableType()); 1781Assert.True(((ITypeSymbol)tinfo.ConvertedType).IsNullableType()); 1782Assert.Same(comp.GetSpecialType(SpecialType.System_Decimal), ((ITypeSymbol)tinfo.ConvertedType).GetNullableUnderlyingType());

210public ITypeSymbol Type; 212public ITypeSymbol ConvertedType;

659public static ITypeSymbol GetParameterType(this IMethodSymbol method, int index) => method.Parameters[index].Type; 661public static bool IsNullableType(this ITypeSymbol typeOpt) 666public static ITypeSymbol GetNullableUnderlyingType(this ITypeSymbol type) 671public static bool IsDynamic(this ITypeSymbol type) 676public static bool IsDelegateType(this ITypeSymbol type) 681public static bool IsErrorType(this ITypeSymbol type) 686public static ITypeSymbol StrippedType(this ITypeSymbol type) 726public static bool IsUnboundGenericType(this ITypeSymbol type) 765public static bool Equals(this ITypeSymbol first, ITypeSymbol second, TypeCompareKind typeCompareKind) 770public static ITypeSymbol GetTypeOrReturnType(this ISymbol symbol) 787return (ITypeSymbol)symbol; 793public static ITypeSymbol EnumUnderlyingTypeOrSelf(this ITypeSymbol type) 798public static INamedTypeSymbol GetEnumUnderlyingType(this ITypeSymbol type)

145ITypeSymbol? exprType; 242ITypeSymbol signatureParamType = signature.Parameters[i].Type; 250static void assertEqualSemanticInformation(SemanticModel model, TypeSyntax typeSyntax, ITypeSymbol signatureType)

7429var jsonObjType = model.GetTypeInfo(jsonObj).Type;

121var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 156var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 160var parentCastType = semanticModel.GetTypeInfo(parentCast.Type, cancellationToken).Type; 296var originalConvertedType = originalSemanticModel.GetTypeInfo(castNode.WalkUpParentheses(), cancellationToken).ConvertedType; 455var castedExpressionType = originalSemanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 456var isType = originalSemanticModel.GetTypeInfo(isExpression.Right, cancellationToken).Type; 540var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 660var originalConvertedType = originalConversionOperation.Type; 661var rewrittenBitwiseNotConversionType = rewrittenBitwiseNotConversionOperation.Type; 674private static bool IsSignedIntegralOrIntPtrType(ITypeSymbol? type) 731var castType = originalSemanticModel.GetTypeInfo(castExpression, cancellationToken).Type; 754private static bool IsNullOrErrorType([NotNullWhen(false)] ITypeSymbol? type) 877var castSideType = semanticModel.GetTypeInfo(castSide, cancellationToken).Type; 878var castedExpressionType = semanticModel.GetTypeInfo(castExpression.Expression, cancellationToken).Type; 880if (castSideType.IsNullable(out var underlyingType) && Equals(underlyingType, castedExpressionType)) 882var otherSideType = semanticModel.GetTypeInfo(otherSide, cancellationToken).Type; 900var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 901var castedExpressionType = semanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 958private static bool IsFloatingPointType(ITypeSymbol? type) 1099var rewrittenType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).Type; 1214private static bool IsIntrinsicOrEnum(ITypeSymbol rewrittenType) 1222ITypeSymbol rewrittenType, 1261var originalMemberType = originalMemberSymbol.GetMemberType(); 1262var rewrittenMemberType = rewrittenMemberSymbol.GetMemberType(); 1312private static (ITypeSymbol? rewrittenConvertedType, Conversion rewrittenConversion) GetRewrittenInfo( 1315Conversion originalConversion, ITypeSymbol originalConvertedType, 1326var convertedType = originalConversion.IsIdentity ? originalConvertedType : originalSemanticModel.Compilation.ObjectType; 1330var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType;

188if (symbol is ITypeSymbol type && type.IsNativeIntegerType) 216case ITypeSymbol typeSymbol:

23private static readonly Func<ITypeSymbol, bool> s_shouldInclude = t => t.TypeKind != TypeKind.Error && t.GetArity() > 0;

45if (symbolInfo.Symbol is ITypeSymbol typeSymbol)

3244public override SyntaxNode DefaultExpression(ITypeSymbol type) 3378private protected override SyntaxNode GenerateExpression(ITypeSymbol? type, object? value, bool canUseFieldReference) 3432private protected override SyntaxNode TypeExpression(ITypeSymbol typeSymbol, RefKind refKind)

756public override TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CSharpCodeGenerationContextInfo info, CancellationToken cancellationToken)

237public bool IsPartial(ITypeSymbol typeSymbol, CancellationToken cancellationToken) 353var type = semanticModel.GetTypeInfo(node, cancellationToken).Type;

117public CommonConversion ClassifyConversion(SemanticModel semanticModel, SyntaxNode expression, ITypeSymbol destination) 141var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

134public override SyntaxNode Type(ITypeSymbol typeSymbol, bool typeContext)

35protected override bool IsUnusableType(ITypeSymbol otherSideType) 612private IMethodSymbol Instantiate(IMethodSymbol method, IList<ITypeSymbol> invocationTypes) 636IDictionary<ITypeParameterSymbol, ITypeSymbol> bestMap = null; 637foreach (var type in invocationTypes) 658private Dictionary<ITypeParameterSymbol, ITypeSymbol> DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType) 660var result = new Dictionary<ITypeParameterSymbol, ITypeSymbol>(); 665private void DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType, Dictionary<ITypeParameterSymbol, ITypeSymbol> result) 1134return leftTypes.Select(x => x.InferredType.IsNullable(out var underlying) 1146static ITypeSymbol MakeNullable(ITypeSymbol symbol, Compilation compilation) 1474var type = this.SemanticModel.GetTypeInfo(recursivePattern).ConvertedType; 1593var elementTypesBuilder = ArrayBuilder<ITypeSymbol>.GetInstance(subPatternCount); 1620private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes) 1800var typeArg = delegateType?.TypeArguments.Length > 0 1818private ITypeSymbol InferTypeForFirstParameterOfLambda( 1833private ITypeSymbol InferTypeForFirstParameterOfParenthesizedLambda( 1842private ITypeSymbol InferTypeForFirstParameterOfSimpleLambda( 1849private ITypeSymbol InferTypeForFirstParameterOfLambda( 1856private ITypeSymbol InferTypeForFirstParameterOfLambda( 1874var type = InferTypeForFirstParameterOfLambda(parameterName, child.AsNode()); 2033var memberType = memberSymbol.GetMemberType(); 2045private ITypeSymbol UnwrapTaskLike(ITypeSymbol type, bool isAsync) 2088var type = symbol.GetMemberType(); 2235var type = symbol.GetSymbolType(); 2301using var _1 = ArrayBuilder<ITypeSymbol>.GetInstance(out var tupleTypes); 2327var tupleType = GetTupleType(tupleExpression); 2338private ITypeSymbol GetTupleType( 2352out ImmutableArray<ITypeSymbol> elementTypes, 2358using var _1 = ArrayBuilder<ITypeSymbol>.GetInstance(out var elementTypesBuilder); 2396ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2418ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2421var tupleType = GetTupleType(tuple);

78var declaredTypeSymbol = semanticModel.GetTypeInfo(variableDeclaration.Type.StripRefIfNeeded(), cancellationToken).Type; 103private static bool IsMadeOfSpecialTypes([NotNullWhen(true)] ITypeSymbol? type)

149var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type;

195var declarationType = semanticModel.GetTypeInfo(declarationTypeNode, cancellationToken).Type; 205var newDeclarationType = newSemanticModel.GetTypeInfo(newDeclarationTypeNode, cancellationToken).Type; 293var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type; 332var initializerType = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

52var entityType = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).Type; 53var defaultType = semanticModel.GetTypeInfo(defaultExpression.Type, cancellationToken).Type;

34return typedConstant.Value is ITypeSymbol 35? SyntaxFactory.TypeOfExpression(((ITypeSymbol)typedConstant.Value).GenerateTypeSyntax()) 55ITypeSymbol? type, 64if (type.IsNullable(out var underlyingType)) 76internal static ExpressionSyntax GenerateNonEnumValueExpression(SyntaxGenerator generator, ITypeSymbol? type, object? value, bool canUseFieldReference) 119private static string DetermineSuffix(ITypeSymbol? type, object value) 173private static ExpressionSyntax GenerateDoubleLiteralExpression(ITypeSymbol? type, double value, bool canUseFieldReference) 202private static ExpressionSyntax GenerateSingleLiteralExpression(ITypeSymbol? type, float value, bool canUseFieldReference) 232ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 243ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 279private static ExpressionSyntax? GenerateFieldReference<T>(ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants)

14public static ITypeSymbol? GetMemberType(this ISymbol symbol) 17public static ITypeSymbol? GetSymbolType(this ISymbol? symbol) 26public static bool IsAccessibleWithin(this ISymbol symbol, ISymbol within, ITypeSymbol? throughType = null)

16public static ITypeSymbol DetermineParameterType( 24public static ITypeSymbol DetermineParameterType(ExpressionSyntax expression, SemanticModel semanticModel, CancellationToken cancellationToken)

62foreach (var type in constraintTypes)

62ITypeSymbol underlyingType = symbol; 234var innerType = symbol.TypeArguments.First();

649var instanceType = instanceSymbol.GetSymbolType(); 655var staticType = speculativeSymbolInfo.GetAnySymbol().GetSymbolType();

9public static bool IsIntrinsicType(this ITypeSymbol typeSymbol)

38var type = semanticModel.GetTypeInfo(typeSyntax).Type;

2509if (semanticModel.GetSymbolInfo(objectCreation.Type, cancellationToken).Symbol is ITypeSymbol type && !type.CanSupportCollectionInitializer(containingSymbol)) 3052return target.IsType && ((ITypeSymbol)target).TypeKind == TypeKind.Enum;

86ITypeSymbol targetType) 101ITypeSymbol targetType, 118var type = semanticModel.GetSpeculativeTypeInfo( 168out ITypeSymbol? container)

26public static ExpressionSyntax GenerateExpressionSyntax(this ITypeSymbol typeSymbol, bool nameSyntax = false) 38var type = symbol as ITypeSymbol; 94public static bool ContainingTypesOrSelfHasUnsafeKeyword(this ITypeSymbol containingType) 112public static async Task<ISymbol?> FindApplicableAliasAsync(this ITypeSymbol type, int position, SemanticModel semanticModel, CancellationToken cancellationToken)

49: firstSymbol as ITypeSymbol; 57var returnType = method.ReturnType;

175return symbol is ITypeSymbol type

9public static ITypeSymbol? GetConvertedTypeWithAnnotatedNullability(this TypeInfo typeInfo) 12public static ITypeSymbol? GetTypeWithAnnotatedNullability(this TypeInfo typeInfo)

316var potentialType = semanticModel.GetSpeculativeTypeInfo(expression.SpanStart, expression, SpeculativeBindingOption.BindAsTypeOrNamespace).Type;

137var returnType = property.Type;

56public override bool TryGetExplicitTypeOfLambdaParameter(SyntaxNode lambdaSyntax, int ordinalInLambda, [NotNullWhen(true)] out ITypeSymbol? explicitLambdaParameterType) 217: ImmutableArray<ITypeSymbol>.Empty; 318if (name.ShouldNameExpressionBeTreatedAsExpressionInsteadOfType(_context.SemanticModel, out var nameBinding, out var container)) 370var container = _context.SemanticModel.GetTypeInfo(expression, _cancellationToken).Type; 393var container = _context.SemanticModel.GetTypeInfo(expression, _cancellationToken).Type; 406var container = _context.SemanticModel.GetTypeInfo(expression, _cancellationToken).Type; 420ITypeSymbol? containerType, 518? symbols.WhereAsArray(s => !(s.IsStatic || s is ITypeSymbol)) 540var container = GetContainerForUnnamedSymbols(semanticModel, originalExpression); 559private ITypeSymbol? GetContainerForUnnamedSymbols(SemanticModel semanticModel, ExpressionSyntax originalExpression) 561return originalExpression.ShouldNameExpressionBeTreatedAsExpressionInsteadOfType(_context.SemanticModel, out _, out var container) 566private void AddIndexers(ITypeSymbol container, ArrayBuilder<ISymbol> symbols)

126private void AddConversions(ITypeSymbol container, ArrayBuilder<ISymbol> symbols) 136private static ITypeSymbol TryMakeNullable(Compilation compilation, ITypeSymbol container) 144ITypeSymbol container, INamedTypeSymbol containerWithoutNullable, ArrayBuilder<ISymbol> symbols) 192ITypeSymbol container, INamedTypeSymbol containerWithoutNullable, ArrayBuilder<ISymbol> symbols) 201public static ImmutableArray<SpecialType>? GetPredefinedNumericConversions(ITypeSymbol container) 220ITypeSymbol container, INamedTypeSymbol containerWithoutNullable, ArrayBuilder<ISymbol> symbols, ImmutableArray<SpecialType> specialTypes) 236static string CreateConversionDocumentationCommentXml(ITypeSymbol fromType, ITypeSymbol toType) 249private static IMethodSymbol CreateConversion(INamedTypeSymbol containingType, ITypeSymbol fromType, ITypeSymbol toType, string? documentationCommentXml) 257ITypeSymbol container, INamedTypeSymbol containerWithoutNullable, ArrayBuilder<ISymbol> symbols)

19private static void AddOperators(ITypeSymbol container, ArrayBuilder<ISymbol> symbols) 21var containerWithoutNullable = container.RemoveNullableIfPresent(); 29foreach (var type in containerWithoutNullable.GetBaseTypesAndThis()) 54private static bool ExcludeOperatorType(ITypeSymbol container)

22public static IEnumerable<ITypeSymbol> LookupTypeRegardlessOfArity( 32return results.OfType<ITypeSymbol>(); 36return SpecializedCollections.EmptyEnumerable<ITypeSymbol>();

74private bool IsPassedToDelegateCreationExpression(ArgumentSyntax argument, ITypeSymbol type) 80var objectCreationType = _semanticModel.GetTypeInfo(objectCreationExpression).Type; 93private bool TryCastTo(ITypeSymbol targetType, ExpressionSyntax expression, ExpressionSyntax newExpression, out ExpressionSyntax newExpressionWithCast) 118var returnType = (_semanticModel.GetSymbolInfo(lambdaExpression).Symbol as IMethodSymbol)?.ReturnType; 140var returnType = (_semanticModel.GetSymbolInfo(parentLambda).Symbol as IMethodSymbol)?.ReturnType; 269var argumentType = _semanticModel.GetTypeInfo(node.Expression).ConvertedType; 845foreach (var typeArgument in namedTypedSymbol.TypeArguments)

53var type = semanticModel.GetTypeInfo(node, cancellationToken).Type;

157var type = semanticModel.GetTypeInfo(node, cancellationToken).Type; 171var type = semanticModel.GetTypeInfo(node, cancellationToken).Type;

376var type = semanticModel.GetTypeInfo(memberAccess.Parent, cancellationToken).Type;

250var type = semanticModel.GetTypeInfo(name, cancellationToken).Type; 432var argument = type.TypeArguments.SingleOrDefault();

254var originalParamType = this.OriginalSemanticModel.GetDeclaredSymbol(originalParam).Type; 255var replacedParamType = this.SpeculativeSemanticModel.GetDeclaredSymbol(replacedParam).Type; 373var originalExpressionType = originalExpressionTypeInfo.Type; 374var newExpressionType = newExpressionTypeInfo.Type; 422var originalCaseType = this.OriginalSemanticModel.GetTypeInfo(previousOriginalNode, this.CancellationToken).Type; 423var newCaseType = this.SpeculativeSemanticModel.GetTypeInfo(previousReplacedNode, this.CancellationToken).Type; 548var originalExpressionType = this.OriginalSemanticModel.GetTypeInfo(originalAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 549var newExpressionType = this.SpeculativeSemanticModel.GetTypeInfo(replacedAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 685var originalConvertedType = this.OriginalSemanticModel.GetTypeInfo(originalIsOrAsExpression.Right).Type; 686var newConvertedType = this.SpeculativeSemanticModel.GetTypeInfo(newIsOrAsExpression.Right).Type; 768protected override bool ConversionsAreCompatible(ExpressionSyntax originalExpression, ITypeSymbol originalTargetType, ExpressionSyntax newExpression, ITypeSymbol newTargetType) 812protected override void GetForEachSymbols(SemanticModel model, CommonForEachStatementSyntax forEach, out IMethodSymbol getEnumeratorMethod, out ITypeSymbol elementType) 819protected override bool IsReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 822protected override Conversion ClassifyConversion(SemanticModel model, ExpressionSyntax expression, ITypeSymbol targetType) 825protected override Conversion ClassifyConversion(SemanticModel model, ITypeSymbol originalType, ITypeSymbol targetType)

18public static bool IsBuiltInType(ITypeSymbol type) 33ITypeSymbol? typeInDeclaration, 53var tupleElementType = tupleType.TupleElements[i].Type; 119ITypeSymbol? typeInDeclaration, 129var containingType = semanticModel.GetTypeInfo(containingTypeName, cancellationToken).Type; 144ITypeSymbol? typeInDeclaration, 145ITypeSymbol containingType) 161var returnType = methodSymbol.ReturnType; 176ITypeSymbol? typeInDeclaration, 177ITypeSymbol containingType) 179var returnType = UnwrapTupleType(methodSymbol.ReturnType); 193private static ITypeSymbol? UnwrapTupleType(ITypeSymbol? symbol)

153if (semanticModel.GetDeclaredSymbol(containingTypeDeclaration, cancellationToken) is ITypeSymbol containingTypeSymbol && 154(symbolToNavigateTo is ITypeSymbol || symbolToNavigateTo.IsConstructor())) 156var candidateTypeSymbol = symbolToNavigateTo is ITypeSymbol

47protected override bool TryGetEnumTypeSymbol(CancellationToken cancellationToken, [NotNullWhen(returnValue: true)] out ITypeSymbol? typeSymbol)

30protected abstract bool TryGetEnumTypeSymbol(CancellationToken cancellationToken, [NotNullWhen(returnValue: true)] out ITypeSymbol? typeSymbol); 43if (!TryGetEnumTypeSymbol(cancellationToken, out var typeSymbol) || typeSymbol.TypeKind != TypeKind.Enum)

66var type = document.Project.Language switch

16public readonly Func<Compilation, ITypeSymbol>? PartialType; 29Func<Compilation, ITypeSymbol>? partialType,

122protected static ITypeSymbol CreateClass(string name)

62Func<SemanticModel, ITypeSymbol> type = null, 72var typeSymbol = type != null ? type(testContext.SemanticModel) : null; 583Func<SemanticModel, ITypeSymbol> getType = null, 683private static ITypeSymbol GetTypeSymbol(Compilation compilation, Type type) 686private static ITypeSymbol GetTypeSymbol(Compilation compilation, string typeFullName, int arrayRank = 0) 698internal static Func<SemanticModel, ITypeSymbol> CreateArrayType(Type type, int rank = 1)

53var type = (ITypeSymbol)(await workspace.CurrentSolution.Projects.Single().GetCompilationAsync()).GlobalNamespace.GetTypeMembers("C").Single(); 125var csharpType = (ITypeSymbol)(await csharpWorkspace.CurrentSolution.Projects.Single().GetCompilationAsync()).GlobalNamespace.GetTypeMembers("C").Single(); 1346var a1 = ((IFieldSymbol)t1.GetMembers("A").Single()).Type; 1347var b1 = ((IFieldSymbol)t1.GetMembers("B").Single()).Type; 1348var c1 = ((IFieldSymbol)t1.GetMembers("C").Single()).Type; 1349var d1 = ((IFieldSymbol)t1.GetMembers("D").Single()).Type; 1350var a2 = ((IFieldSymbol)t2.GetMembers("A").Single()).Type; 1351var b2 = ((IFieldSymbol)t2.GetMembers("B").Single()).Type; 1352var c2 = ((IFieldSymbol)t2.GetMembers("C").Single()).Type; 1353var d2 = ((IFieldSymbol)t2.GetMembers("D").Single()).Type; 1407var a1 = ((IFieldSymbol)t1.GetMembers("A").Single()).Type; 1408var b1 = ((IFieldSymbol)t1.GetMembers("B").Single()).Type; 1409var c1 = ((IFieldSymbol)t1.GetMembers("C").Single()).Type; 1410var d1 = ((IFieldSymbol)t1.GetMembers("D").Single()).Type; 1411var a2 = ((IFieldSymbol)t2.GetMembers("A").Single()).Type; 1412var b2 = ((IFieldSymbol)t2.GetMembers("B").Single()).Type; 1413var c2 = ((IFieldSymbol)t2.GetMembers("C").Single()).Type; 1414var d2 = ((IFieldSymbol)t2.GetMembers("D").Single()).Type; 1617var ta1 = (ITypeSymbol)a1.GlobalNamespace.GetMembers("T").Single(); 1618var ta2 = (ITypeSymbol)a2.GlobalNamespace.GetMembers("T").Single(); 1619var tb1 = (ITypeSymbol)b1.GlobalNamespace.GetMembers("T").Single(); 1620var tb2 = (ITypeSymbol)b2.GlobalNamespace.GetMembers("T").Single(); 1621var tb3 = (ITypeSymbol)b3.GlobalNamespace.GetMembers("T").Single(); 1706var type1 = (ITypeSymbol)c1.GlobalNamespace.GetMembers("C").Single(); 1707var type2 = (ITypeSymbol)c2.GlobalNamespace.GetMembers("C").Single();

38foreach (var constraintType in symbol.ConstraintTypes) 94foreach (var typeArgument in symbol.TypeArguments) 123foreach (var typeArgument in symbol.TypeArguments)

31protected abstract TExpressionSyntax Cast(TExpressionSyntax expression, ITypeSymbol type); 54out ImmutableArray<(TExpressionSyntax node, ITypeSymbol type)> potentialConversionTypes); 88var conversionType = potentialConversionTypes[i].type; 108ITypeSymbol conversionType, 119var castType = semanticModel.GetTypeInfo(castTypeNode, cancellationToken).Type; 142private static string GetSubItemName(SemanticModel semanticModel, int position, ITypeSymbol conversionType) 149protected static ImmutableArray<(TExpressionSyntax, ITypeSymbol)> FilterValidPotentialConversionTypes( 152ArrayBuilder<(TExpressionSyntax node, ITypeSymbol type)> mutablePotentialConversionTypes) 157using var _ = ArrayBuilder<(TExpressionSyntax, ITypeSymbol)>.GetInstance(out var validPotentialConversionTypes); 161var targetNodeConversionType = conversionTuple.type;

37protected abstract ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken); 391private async Task<(ITypeSymbol, RefKind)> GetArgumentTypeAndRefKindAsync(Document invocationDocument, TArgumentSyntax argument, CancellationToken cancellationToken) 395var argumentType = GetArgumentType(argument, semanticModel, cancellationToken); 533Compilation compilation, TypeInfo argumentTypeInfo, ITypeSymbol parameterType,

26protected abstract string GetTextPreviewOfChange(string aliasName, ITypeSymbol typeSymbol); 54foreach (var symbol in Sort(symbolInfo.CandidateSymbols.Cast<ITypeSymbol>(), placementOption.PlaceSystemNamespaceFirst)) 78private static IEnumerable<ITypeSymbol> Sort(IEnumerable<ITypeSymbol> types, bool sortSystemFirst) 82var typeToNameSegments = new Dictionary<ITypeSymbol, ImmutableArray<string>>(); 108ImmutableArray<string> GetNameSegments(ITypeSymbol symbol)

25protected abstract ITypeSymbol GetForEachElementType(SemanticModel semanticModel, TForEachStatementSyntax forEachStatement); 73var elementType = GetForEachElementType(semanticModel, forEachStatement); 88ITypeSymbol iterationVariableType,

41protected abstract (CommonConversion conversion, ITypeSymbol? collectionElementType) GetForEachInfo(SemanticModel semanticModel, TForEachStatementSyntax node); 73variableDeclarator.Symbol.Type is not ITypeSymbol iterationType) 79var collectionType = semanticModel.GetTypeInfo(syntaxFacts.GetExpressionOfForeachStatement(node), cancellationToken).Type; 140private static bool IsStronglyTyped(INamedTypeSymbol ienumerableOfTType, ITypeSymbol collectionType, ITypeSymbol collectionElementType)

26protected abstract bool IsAsyncReturnType(ITypeSymbol type, KnownTypes knownTypes); 201protected static bool IsTaskLike(ITypeSymbol returnType, KnownTypes knownTypes)

180if (symbol is ITypeSymbol typeSymbol && typeSymbol.DeclaringSyntaxReferences.Length > 1)

39protected abstract ITypeSymbol GetSwitchType(TSwitchOperation switchStatement); 164var enumType = GetSwitchType(switchOperation); 167if (enumType.IsNullable(out var underlyingType))

96var type = value.Type.RemoveNullableIfPresent();

43protected sealed override ITypeSymbol GetSwitchType(ISwitchExpressionOperation switchExpression)

59protected sealed override ITypeSymbol GetSwitchType(ISwitchOperation switchOperation)

108private static bool ShouldOfferFix(ITypeSymbol returnType, KnownTypes knownTypes) 113private static bool IsTaskType(ITypeSymbol returnType, KnownTypes knownTypes) 122ITypeSymbol returnType, 185ITypeSymbol returnType, 214private static SyntaxNode GetReturnTaskCompletedTaskStatement(SyntaxGenerator generator, ITypeSymbol returnType, KnownTypes knownTypes) 231private static SyntaxNode WrapExpressionWithTaskFromResult(SyntaxGenerator generator, SyntaxNode expression, ITypeSymbol returnType, KnownTypes knownTypes) 236var unwrappedReturnType = returnType.GetTypeArguments()[0];

590var type = semanticModel.GetTypeInfo(node, cancellationToken).Type; 675TLocalDeclarationStatementSyntax CreateLocalDeclarationStatement(ITypeSymbol type, string name)

165var exprType = semanticModel.GetTypeInfo(initializer, cancellationToken).Type;

104var conditionType = semanticModel.GetTypeInfo(

154var parameterType = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type;

147var whenPartType = semanticModel.GetTypeInfo(whenPartMatch, cancellationToken).Type; 151var type = semanticModel.GetTypeInfo(conditionalExpression, cancellationToken).Type; 358var typeSymbol = semanticModel.GetTypeInfo(type, cancellationToken).Type;

85var whenPartType = semanticModel.GetTypeInfo(whenPartMatch, cancellationToken).Type;

186var argsArgumentType = TryGetArgsArgumentType(semanticModel, arguments, parameters, syntaxFacts); 190private ITypeSymbol? TryGetArgsArgumentType(

105private static bool IsClassOrStruct(ITypeSymbol typeSymbol) 108private static bool HasDebuggerDisplayAttribute(ITypeSymbol typeSymbol, Compilation compilation)

45protected abstract ITypeSymbol GetDeconstructInfo(SemanticModel semanticModel, SyntaxNode node, CancellationToken cancellationToken); 46protected abstract ITypeSymbol GetQueryClauseInfo(SemanticModel semanticModel, SyntaxNode node, CancellationToken cancellationToken); 451protected static bool IsViableExtensionMethod(IMethodSymbol method, ITypeSymbol receiver) 602private static ITypeSymbol? GetAwaitInfo(SemanticModel semanticModel, ISyntaxFacts syntaxFactsService, SyntaxNode node) 614private static ITypeSymbol? GetCollectionExpressionType(SemanticModel semanticModel, ISyntaxFacts syntaxFactsService, SyntaxNode node)

213var typeSymbols = OfType<ITypeSymbol>(symbols); 240ITypeSymbol symbol, 319var propertyOrFieldType = symbol.GetSymbolType(); 396ImmutableArray<SymbolResult<IMethodSymbol>> methodSymbols, ITypeSymbol typeSymbol) 451var type = _owner.GetQueryClauseInfo(_semanticModel, _node, searchScope.CancellationToken); 474var type = GetAwaitInfo(_semanticModel, _syntaxFacts, _node); 496var type = GetCollectionExpressionType(_semanticModel, _syntaxFacts, _node); 518var type = GetCollectionExpressionType(_semanticModel, _syntaxFacts, _node); 540var type = _owner.GetDeconstructInfo(_semanticModel, _node, searchScope.CancellationToken); 557SearchScope searchScope, string name, ITypeSymbol type, Func<IMethodSymbol, bool> predicate = null)

76ITypeSymbol newParameterType, 161ITypeSymbol parameterType,

946var symbolType = symbol.GetSymbolType(); 1054var toType = methodSymbol.Parameters.Last().Type;

35ITypeSymbol type, 78public ITypeSymbol Type { get; }

87if (symbol is ITypeSymbol) 90var type = model.GetTypeInfo(node, cancellationToken).Type;

272var symbol = (ITypeSymbol?)State.SemanticDocument.SemanticModel.GetDeclaredSymbol(node, CancellationToken);

335if (memberSymbol is ITypeSymbol typeSymbol

64protected abstract ITypeSymbol? GetTypeSymbolOfExpression(SemanticModel semanticModel, SyntaxNode potentialAwaitableExpression, CancellationToken cancellationToken); 71private static bool IsConfigureAwaitable(Compilation compilation, ITypeSymbol symbol) 73var originalDefinition = symbol.OriginalDefinition; 247var symbol = GetTypeSymbolOfExpression(semanticModel, potentialAwaitableExpression, cancellationToken);

123var type = typeInfo.Type;

55var type = typeInferenceService.InferType(

20protected abstract Tuple<ITypeSymbol, Location>? GetInitializedType(Document document, SemanticModel semanticModel, int position, CancellationToken cancellationToken);

25public abstract ImmutableArray<ISymbol> FilterOverrides(ImmutableArray<ISymbol> members, ITypeSymbol? returnType); 70out ITypeSymbol? returnType, 76protected static ITypeSymbol GetReturnType(ISymbol symbol)

77if (!_provider.TryDetermineReturnType(startToken, semanticModel, _cancellationToken, out var returnType, out var tokenAfterReturnType) ||

126private static ITypeSymbol? GetSymbolType(ISymbol symbol) 207var typeConvertibilityCache = new Dictionary<ITypeSymbol, bool>(SymbolEqualityComparer.Default);

53ImmutableArray<ITypeSymbol> inferredTypes, 56Dictionary<ITypeSymbol, bool> typeConvertibilityCache) 81var type = symbol.GetMemberType() ?? symbol.GetSymbolType(); 117var typeConvertibilityCache = new Dictionary<ITypeSymbol, bool>(SymbolEqualityComparer.Default); 156Dictionary<ITypeSymbol, bool> typeConvertibilityCache,

15public static bool IsTypeImplicitlyConvertible(Compilation compilation, ITypeSymbol sourceType, ImmutableArray<ITypeSymbol> targetTypes) 17foreach (var targetType in targetTypes)

43if (TryGetReceiverTypeSymbol(syntaxContext, syntaxFacts, cancellationToken, out var receiverTypeSymbol)) 48: ImmutableArray<ITypeSymbol>.Empty; 73[NotNullWhen(true)] out ITypeSymbol? receiverTypeSymbol) 85if (syntaxContext.SemanticModel.GetSymbolInfo(expressionNode, cancellationToken).GetAnySymbol() is not ITypeSymbol) 103private static ITypeSymbol? GetSymbolType(ISymbol symbol) 110IAliasSymbol aliasSymbol => aliasSymbol.Target as ITypeSymbol, 111_ => symbol as ITypeSymbol,

85if (symbol is IAliasSymbol { Target: ITypeSymbol { TypeKind: not TypeKind.Error } target })

50ITypeSymbol receiverTypeSymbol, 52ImmutableArray<ITypeSymbol> targetTypesSymbols, 102ITypeSymbol receiverTypeSymbol, 104ImmutableArray<ITypeSymbol> targetTypes, 139Compilation compilation, ImmutableArray<IMethodSymbol> extentsionMethodSymbols, ImmutableArray<ITypeSymbol> targetTypeSymbols, CancellationToken cancellationToken) 141Dictionary<ITypeSymbol, bool> typeConvertibilityCache = new(); 208Compilation compilation, IMethodSymbol methodSymbol, ImmutableArray<ITypeSymbol> targetTypeSymbols, 209Dictionary<ITypeSymbol, bool> typeConvertibilityCache)

26private readonly ITypeSymbol _receiverTypeSymbol; 34private readonly ConcurrentDictionary<ITypeSymbol, bool> _checkedReceiverTypes = new(); 39ITypeSymbol receiverTypeSymbol, 57ITypeSymbol receiverTypeSymbol, 235MultiDictionary<ITypeSymbol, IMethodSymbol> matchingMethodSymbols, 245var declaredReceiverTypeInOriginatingCompilation = SymbolFinder.FindSimilarSymbols(declaredReceiverType, _originatingSemanticModel.Compilation, cancellationToken).FirstOrDefault(); 307MultiDictionary<ITypeSymbol, IMethodSymbol> matchingMethodSymbols, 350private MultiDictionary<ITypeSymbol, IMethodSymbol> GetPotentialMatchingSymbolsFromAssembly( 356var builder = new MultiDictionary<ITypeSymbol, IMethodSymbol>(); 391if (MatchExtensionMethod(methodSymbol, receiverTypeName, internalsVisible, out var receiverType)) 402static bool MatchExtensionMethod(IMethodSymbol method, string filterReceiverTypeName, bool internalsVisible, out ITypeSymbol? receiverType) 483private static ImmutableArray<string> GetReceiverTypeNames(ITypeSymbol receiverTypeSymbol) 489static void AddNamesForTypeWorker(ITypeSymbol receiverTypeSymbol, PooledHashSet<string> builder) 493foreach (var constraintType in typeParameter.ConstraintTypes) 527private static string GetReceiverTypeName(ITypeSymbol typeSymbol) 535var elementType = arrayType.ElementType;

184if (SymbolKey.ResolveString(receiverTypeKey, compilation).GetAnySymbol() is ITypeSymbol receiverTypeSymbol)

203var childType = semanticModel.GetTypeInfo(childCreation, cancellationToken).Type;

49var type = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

133ITypeSymbol castType, SyntaxNode collectionVariable, SyntaxToken indexVariable) 180out var explicitCastInterface, out var collectionNameSuggestion, out var countName); 194out ITypeSymbol? explicitCastInterface, out string? collectionNameSuggestion, out string? countName) 201var foreachType = foreachVariable.Type; 207var collectionType = foreachCollection.Type; 292ITypeSymbol? explicitInterface = null; 340ITypeSymbol type1, ITypeSymbol type2, Compilation compilation) 346private static bool IsNullOrErrorType([NotNullWhen(false)] ITypeSymbol? type) 349private static IMethodSymbol? GetInterfaceMember(ITypeSymbol interfaceType, string memberName) 432ITypeSymbol? explicitCastInterface, ITypeSymbol forEachElementType, 452public ITypeSymbol? ExplicitCastInterface { get; } 453public ITypeSymbol ForEachElementType { get; }

51TExpressionSyntax collectionExpression, ITypeSymbol iterationVariableType); 119out var iterationType)) 232INamedTypeSymbol containingType, ITypeSymbol type, string memberName) where TSymbol : class, ISymbol 239INamedTypeSymbol containingType, ITypeSymbol type, string memberName) where TSymbol : class, ISymbol 245INamedTypeSymbol containingType, ITypeSymbol collectionType, 247[NotNullWhen(true)] out ITypeSymbol? iterationType) 282INamedTypeSymbol ienumeratorType, [NotNullWhen(true)] out ITypeSymbol? iterationType) 284var getEnumeratorReturnType = getEnumeratorMethod.ReturnType; 315ITypeSymbol collectionType, 316ITypeSymbol iterationType, 345var indexerType = GetIndexerType(containingType, collectionType, semanticModel.Compilation.GetSpecialType(SpecialType.System_Collections_Generic_IEnumerable_T)); 499private static ITypeSymbol? GetIndexerType( 501ITypeSymbol collectionType,

52public abstract bool CanImplicitlyConvert(SemanticModel semanticModel, SyntaxNode syntax, ITypeSymbol targetType); 64private ITypeSymbol? _switchTargetType = null!;

34var symbol = semanticModel.GetTypeInfo(syntaxNode, cancellationToken).Type;

83var lastArgumentType = semanticModel.GetTypeInfo(syntaxFacts.GetExpressionOfArgument(lastArgument), cancellationToken).Type; 92var type = semanticModel.GetTypeInfo(syntaxFacts.GetExpressionOfArgument(argument)).Type; 294var convertedType = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).ConvertedType;

2284protected static bool SignaturesEquivalent(ImmutableArray<IParameterSymbol> oldParameters, ITypeSymbol oldReturnType, ImmutableArray<IParameterSymbol> newParameters, ITypeSymbol newReturnType) 2316protected static bool TypesEquivalent(ITypeSymbol? oldType, ITypeSymbol? newType, bool exact) 2317=> (exact ? s_exactSymbolEqualityComparer : (IEqualityComparer<ITypeSymbol?>)s_runtimeSymbolEqualityComparer.SignatureTypeEquivalenceComparer).Equals(oldType, newType); 2319protected static bool TypesEquivalent<T>(ImmutableArray<T> oldTypes, ImmutableArray<T> newTypes, bool exact) where T : ITypeSymbol 2344Func<ImmutableArray<IParameterSymbol>, ITypeSymbol, ImmutableArray<IParameterSymbol>, ITypeSymbol, bool>? signatureComparer = null) 3984private static void AnalyzeType(ITypeSymbol oldType, ITypeSymbol newType, ref RudeEditKind rudeEdit, ref bool hasGeneratedAttributeChange, RudeEditKind rudeEditKind = RudeEditKind.TypeUpdate) 5721var oldTypeOpt = GetType(oldCapture); 5722var newTypeOpt = GetType(newCapture); 5901private static ITypeSymbol GetType(ISymbol localOrParameter)

42protected abstract bool TryGetOptions(SemanticModel semanticModel, ITypeSymbol exprType, SyntaxNode expr, CancellationToken cancellationToken, out TOptions options);

48protected override bool TryGetOptions(SemanticModel semanticModel, ITypeSymbol exprType, SyntaxNode expr, CancellationToken cancellationToken, out DateAndTimeOptions options) 90var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 183private bool IsDateTimeType(ITypeSymbol? type)

151var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

168SemanticModel semanticModel, ITypeSymbol exprType, SyntaxNode expr, CancellationToken cancellationToken, out JsonOptions options)

206SemanticModel semanticModel, ITypeSymbol exprType, SyntaxNode expr, CancellationToken cancellationToken, out RegexOptions options)

395protected static Accessibility ComputeAccessibility(Accessibility accessibility, ITypeSymbol type)

42public static ITypeSymbol? GetLambdaOrAnonymousMethodReturnType(this SemanticModel binding, SyntaxNode node) 71public static T ResolveType<T>(this SemanticModel semanticModel, T symbol) where T : class, ITypeSymbol

52protected abstract VariableInfo CreateFromSymbol(Compilation compilation, ISymbol symbol, ITypeSymbol type, VariableStyle variableStyle, bool variableDeclared); 62protected abstract ITypeSymbol GetRangeVariableType(SemanticModel model, IRangeVariableSymbol symbol); 151private (ITypeSymbol typeSymbol, bool hasAnonymousType, bool awaitTaskReturn) AdjustReturnType(SemanticModel model, ITypeSymbol returnType) 172private void UnwrapTaskIfNeeded(SemanticModel model, ref ITypeSymbol returnType) 181var originalDefinition = returnType.OriginalDefinition; 202private void WrapReturnTypeInTask(SemanticModel model, ref ITypeSymbol returnType, out bool awaitTaskReturn) 232private (ImmutableArray<VariableInfo> parameters, ITypeSymbol returnType, VariableInfo? variableToUseAsReturnValue, bool unsafeAddressTakenUsed) 244var returnType = SelectionResult.GetContainingScopeType() ?? compilation.GetSpecialType(SpecialType.System_Object); 254var returnType = variableToUseAsReturnValue != null 485var type = GetSymbolType(model, symbol); 520ITypeSymbol type, 596private bool SelectionContainsOnlyIdentifierWithSameType(ITypeSymbol type) 614private static bool UserDefinedValueType(Compilation compilation, ITypeSymbol type) 624private static bool WellKnownFrameworkValueType(Compilation compilation, ITypeSymbol type) 640protected virtual ITypeSymbol GetSymbolType(SemanticModel model, ISymbol symbol) 746var type = GetRangeVariableType(model, rangeVariable); 769foreach (var type in constraintTypes) 816var visited = new HashSet<ITypeSymbol>(); 828foreach (var type in constraintTypes) 842ITypeSymbol type, HashSet<ITypeSymbol> visited) 897private static IEnumerable<ITypeParameterSymbol> GetMethodTypeParametersInDeclaration(ITypeSymbol returnType, SortedDictionary<int, ITypeParameterSymbol> sortedMap) 945ITypeSymbol type,

31ITypeSymbol returnType, 100public ITypeSymbol ReturnType { get; }

206var type = SelectionResult.GetContainingScopeType(); 338parameter.GetAttributes(), parameter.Variance, parameter.Name, ImmutableArray.Create<ITypeSymbol>(), parameter.NullableAnnotation, 355var type = parameter.GetVariableType();

48protected abstract Task<OperationStatus> CheckTypeAsync(Document document, SyntaxNode contextNode, Location location, ITypeSymbol type, CancellationToken cancellationToken); 176var originalType = variable.GetVariableType();