17public interface IArrayTypeSymbol : ITypeSymbol

16public interface IDynamicTypeSymbol : ITypeSymbol

14public interface IFunctionPointerTypeSymbol : ITypeSymbol

19public interface INamedTypeSymbol : ITypeSymbol

18public interface IPointerTypeSymbol : ITypeSymbol

16public interface ITypeParameterSymbol : ITypeSymbol

12internal abstract class TypeSymbol : NamespaceOrTypeSymbol, ISymbol, ITypeSymbol

23Implements ITypeSymbol, ITypeSymbolInternal

111public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes) => IsType(type, wellKnownTypes, out var _); 113public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes, [NotNullWhen(true)] out WellKnownTypeData.WellKnownType? match) 128public bool Implements(ITypeSymbol type, WellKnownTypeData.WellKnownType[] interfaceWellKnownTypes) 141public static bool Implements(ITypeSymbol? type, ITypeSymbol interfaceType)

381var typeSymbol = _compilation.GetBestTypeByMetadataName(type.FullName) as ITypeSymbol;

74ITypeSymbol typeSymbol = typeParseInfo.TypeSymbol;

26private readonly Dictionary<ITypeSymbol, TypeSpec> _createdTypeSpecs = new(SymbolEqualityComparer.Default); 64private bool IsValidRootConfigType([NotNullWhen(true)] ITypeSymbol? type) 110ITypeSymbol typeSymbol = typeParseInfo.TypeSymbol; 145private void EnqueueTargetTypeForRootInvocation(ITypeSymbol? typeSymbol, MethodsToGen overload, BinderInvocation invocation) 159private TypeRef EnqueueTransitiveType(TypeParseInfo containingTypeParseInfo, ITypeSymbol memberTypeSymbol, DiagnosticDescriptor diagDescriptor, string? memberName = null) 175ITypeSymbol type = typeParseInfo.TypeSymbol; 178if (IsNullable(type, out ITypeSymbol? underlyingType)) 219private static bool IsNullable(ITypeSymbol type, [NotNullWhen(true)] out ITypeSymbol? underlyingType) 233private bool IsParsableFromString(ITypeSymbol type, out StringParsableTypeKind typeKind) 367if (IsCandidateDictionary(type, out ITypeSymbol? keyType, out ITypeSymbol? elementType)) 381private TypeSpec CreateDictionarySpec(TypeParseInfo typeParseInfo, ITypeSymbol keyTypeSymbol, ITypeSymbol elementTypeSymbol) 447if (!TryGetElementType(type, out ITypeSymbol? elementType)) 525private bool IsAssignableTo(ITypeSymbol source, ITypeSymbol dest) 531private bool IsUnsupportedType(ITypeSymbol type, int recursionDepth = 0) 566if (IsCandidateDictionary(collectionType, out ITypeSymbol? keyType, out ITypeSymbol? elementType)) 753private bool TryGetElementType(INamedTypeSymbol type, [NotNullWhen(true)] out ITypeSymbol? elementType) 767private bool IsCandidateDictionary(INamedTypeSymbol type, [NotNullWhen(true)] out ITypeSymbol? keyType, [NotNullWhen(true)] out ITypeSymbol? elementType) 790private bool IsCollection(ITypeSymbol type) => 832private static bool ContainsGenericParameters(ITypeSymbol type) 839foreach (ITypeSymbol typeArg in genericType.TypeArguments) 854private static bool HasAddMethod(INamedTypeSymbol type, ITypeSymbol element) 870private static bool HasAddMethod(INamedTypeSymbol type, ITypeSymbol key, ITypeSymbol element) 887private static bool IsEnum(ITypeSymbol type) => type is INamedTypeSymbol { EnumUnderlyingType: INamedTypeSymbol { } }; 937foreach (var typeSymbol in _createdTypeSpecs.Keys)

87ITypeSymbol? type = ResolveType(instanceArg.Value)?.WithNullableAnnotation(NullableAnnotation.None); 103static ITypeSymbol? ResolveType(IOperation conversionOperation) => 146ITypeSymbol? type; 196ITypeSymbol? type; 246ITypeSymbol effectiveType = IsNullable(type, out ITypeSymbol? underlyingType) ? underlyingType : type;

17public ITypeSymbol TypeSymbol { get; private init; } 27public static TypeParseInfo Create(ITypeSymbol typeSymbol, MethodsToGen overload, BinderInvocation invocation, ContainingTypeDiagnosticInfo? containingTypeDiagInfo = null) => 37public TypeParseInfo ToTransitiveTypeParseInfo(ITypeSymbol memberType, DiagnosticDescriptor? diagDescriptor = null, string? memberName = null) 92public static string ToIdentifierCompatibleSubstring(this ITypeSymbol type) 112if (namedType.GetAllTypeArgumentsInScope() is List<ITypeSymbol> typeArgsInScope) 114foreach (ITypeSymbol genericArg in typeArgsInScope) 123public static (string DisplayString, string FullName) GetTypeNames(this ITypeSymbol type) 131public static string GetFullName(this ITypeSymbol type) => GetTypeNames(type).FullName;

28ITypeSymbol? typeSymbol = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None); 42private void ParseBindInvocation_OptionsBuilderExt(BinderInvocation invocation, ITypeSymbol? type) 70private void ParseBindConfigurationInvocation(BinderInvocation invocation, ITypeSymbol? type)

41ITypeSymbol? secondParamType = @params[1].Type; 42ITypeSymbol? thirdParamType = @params[2].Type; 72ITypeSymbol? typeSymbol = targetMethod.TypeArguments[0].WithNullableAnnotation(NullableAnnotation.None);

11protected CollectionSpec(ITypeSymbol type) : base(type) { } 19protected CollectionWithCtorInitSpec(ITypeSymbol type) : base(type) { } 30public ArraySpec(ITypeSymbol type) : base(type) { } 35public EnumerableSpec(ITypeSymbol type) : base(type) { }

10public SimpleTypeSpec(ITypeSymbol type) : base(type) { } 15public ConfigurationSectionSpec(ITypeSymbol type) : base(type) { } 20public ParsableFromStringSpec(ITypeSymbol type) : base(type) { }

13public TypeSpec(ITypeSymbol type) 43protected ComplexTypeSpec(ITypeSymbol type) : base(type) { } 48public NullableSpec(ITypeSymbol type, TypeRef underlyingTypeRef) : base(type) => 54public UnsupportedTypeSpec(ITypeSymbol type) : base(type) { }

13public static List<ITypeSymbol>? GetAllTypeArgumentsInScope(this INamedTypeSymbol type) 20List<ITypeSymbol>? args = null; 38public static string GetFullyQualifiedName(this ITypeSymbol type) => type.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);

16public TypeRef(ITypeSymbol type)

83 ITypeSymbol? typeSymbol = symbol is ITypeSymbol ? symbol as ITypeSymbol : null;

17 public static IEnumerable<ISymbol> GetDynamicallyAccessedMembers (this ITypeSymbol typeDefinition, DynamicallyAccessedMemberTypes memberTypes, bool declaredOnly = false) 73 foreach (var nested in typeDefinition.ApplyIncludeInherited (t => t.GetNestedTypesOnType (filter: null, bindingFlags: BindingFlags.NonPublic), withInherited)) { 84 foreach (var nested in typeDefinition.ApplyIncludeInherited (t => t.GetNestedTypesOnType (filter: null, bindingFlags: BindingFlags.Public), withInherited)) { 116 foreach (var i in typeDefinition.GetAllInterfaceImplementations (declaredOnly)) 120 public static IEnumerable<IMethodSymbol> GetConstructorsOnType (this ITypeSymbol type, Func<IMethodSymbol, bool>? filter, BindingFlags? bindingFlags = null) 146 public static IEnumerable<IMethodSymbol> GetMethodsOnTypeHierarchy (this ITypeSymbol thisType, Func<IMethodSymbol, bool>? filter, BindingFlags? bindingFlags = null) 148 ITypeSymbol? type = thisType; 189 public static IEnumerable<IFieldSymbol> GetFieldsOnTypeHierarchy (this ITypeSymbol thisType, Func<IFieldSymbol, bool>? filter, BindingFlags? bindingFlags = BindingFlags.Default) 191 ITypeSymbol? type = thisType; 228 public static IEnumerable<ITypeSymbol> GetNestedTypesOnType (this ITypeSymbol type, Func<ITypeSymbol, bool>? filter, BindingFlags? bindingFlags = BindingFlags.Default) 230 foreach (var nestedType in type.GetTypeMembers ().OfType<ITypeSymbol> ()) { 248 public static IEnumerable<IPropertySymbol> GetPropertiesOnTypeHierarchy (this ITypeSymbol thisType, Func<IPropertySymbol, bool>? filter, BindingFlags? bindingFlags = BindingFlags.Default) 250 ITypeSymbol? type = thisType; 297 public static IEnumerable<IEventSymbol> GetEventsOnTypeHierarchy (this ITypeSymbol thisType, Func<IEventSymbol, bool>? filter, BindingFlags? bindingFlags = BindingFlags.Default) 299 ITypeSymbol? type = thisType; 349 public static IEnumerable<ITypeSymbol> GetAllInterfaceImplementations (this ITypeSymbol thisType, bool declaredOnly) 351 ITypeSymbol? type = thisType; 356 ITypeSymbol? interfaceType = i; 359 foreach (var innerInterface in interfaceType.GetAllInterfaceImplementations (declaredOnly: true)) 375 public static void GetAllOnType (this ITypeSymbol type, bool declaredOnly, List<ISymbol> members) => GetAllOnType (type, declaredOnly, members, new HashSet<ITypeSymbol> (SymbolEqualityComparer.Default)); 378 static void GetAllOnType (ITypeSymbol type, bool declaredOnly, List<ISymbol> members, HashSet<ITypeSymbol> types) 383 foreach (var nestedType in type.GetTypeMembers ().OfType<ITypeSymbol> ()) { 397 foreach (var iface in type.GetAllInterfaceImplementations (declaredOnly: true)) 421 private static IEnumerable<T> ApplyIncludeInherited<T> (this ITypeSymbol thisType, Func<ITypeSymbol, IEnumerable<T>> selector, bool includeBases) 423 ITypeSymbol? type = thisType;

182 var typeSymbol = namedTypeSymbol as ITypeSymbol; 188 if (symbol is not ITypeSymbol typeSymbol)

19 public static bool IsTypeInterestingForDataflow (this ITypeSymbol type, bool isByRef) 38 ITypeSymbol? baseType = type; 58 public static bool IsTypeOf (this ITypeSymbol symbol, string @namespace, string name) 63 public static bool IsTypeOf (this ITypeSymbol symbol, WellKnownType wellKnownType) 68 public static WellKnownType? TryGetWellKnownType (this ITypeSymbol symbol)

79 var typeArgs = ImmutableArray<ITypeSymbol>.Empty; 97 var typeArg = typeArgs[i];

45 if (member is ITypeSymbol) { 58 if (member.ContainingType is ITypeSymbol containingType && containingType.TryGetAttribute (attributeName, out requiresAttribute))

189 public static DynamicallyAccessedMemberTypes GetTypeAnnotation(ITypeSymbol type) 193 ITypeSymbol? baseType = type.BaseType;

37 ImmutableArray<ITypeSymbol> typeArguments, 43 var typeArgument = typeArguments[i]; 65 foreach (var typeArgument in type.TypeArguments) { 83 foreach (var typeArgument in method.TypeArguments) {

19 foreach (ITypeSymbol constraintType in TypeParameterSymbol.ConstraintTypes) {

89 ITypeSymbol? staticType = (valueNode as IValueWithStaticType)?.StaticType?.Type; 90 ITypeSymbol? staticTypeDef = staticType?.OriginalDefinition; 94 foreach (var constraintType in genericParam.ConstraintTypes) { 172 foreach (var nestedType in type.Type.GetNestedTypesOnType (t => t.Name == name, bindingFlags))

57 static bool IsTypeOf (ITypeSymbol type, string fullTypeName)

27 internal void GetReflectionAccessDiagnostics (Location location, ITypeSymbol typeSymbol, DynamicallyAccessedMemberTypes requiredMemberTypes, bool declaredOnly = false) 56 internal void GetReflectionAccessDiagnosticsForEventsOnTypeHierarchy (Location location, ITypeSymbol typeSymbol, string name, BindingFlags? bindingFlags) 62 internal void GetReflectionAccessDiagnosticsForFieldsOnTypeHierarchy (Location location, ITypeSymbol typeSymbol, string name, BindingFlags? bindingFlags) 68 internal void GetReflectionAccessDiagnosticsForPropertiesOnTypeHierarchy (Location location, ITypeSymbol typeSymbol, string name, BindingFlags? bindingFlags) 74 internal void GetReflectionAccessDiagnosticsForConstructorsOnType (Location location, ITypeSymbol typeSymbol, BindingFlags? bindingFlags, int? parameterCount) 80 internal void GetReflectionAccessDiagnosticsForPublicParameterlessConstructor (Location location, ITypeSymbol typeSymbol)

14 public static SingleValue? FromTypeSymbol (ITypeSymbol type) 17 var underlyingType = (type as INamedTypeSymbol)?.TypeArguments.FirstOrDefault ();

12 public TypeProxy (ITypeSymbol type) => Type = type; 28 public readonly ITypeSymbol Type;

51ITypeSymbol coupledType) 351private static void AddCoupledNamedTypesCore(ImmutableHashSet<INamedTypeSymbol>.Builder builder, ITypeSymbol typeOpt, 365foreach (var type in usedType.TypeArguments)

113public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, params ITypeSymbol[] expectedParameterTypesInOrder) 122var parameterType = member.Parameters[i].Type; 158var parameterType = member.Parameters[i].Type; 190public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, IReadOnlyList<ITypeSymbol> expectedParameterTypesInOrder)

153public static bool IsImplementationOfInterfaceMethod(this IMethodSymbol method, ITypeSymbol? typeArgument, [NotNullWhen(returnValue: true)] INamedTypeSymbol? interfaceType, string interfaceMethodName) 772var returnType = method.ReturnType?.OriginalDefinition;

30public static ITypeSymbol? GetReceiverType(this IInvocationOperation invocation, Compilation compilation, bool beforeConversion, CancellationToken cancellationToken) 56private static ITypeSymbol? GetReceiverType(SyntaxNode receiverSyntax, Compilation compilation, CancellationToken cancellationToken) 114private static bool HasConstantValue(Optional<object?> constantValue, ITypeSymbol constantValueType, ulong comparand) 124public static ITypeSymbol? GetElementType(this IArrayCreationOperation? arrayCreation) 567public static ITypeSymbol? GetPatternType(this IPatternOperation pattern) 642public static ITypeSymbol? GetInstanceType(this IOperation operation) 764public static ITypeSymbol? GetThrownExceptionType(this IThrowOperation operation)

22return symbol is ITypeSymbol typeSymbol && typeSymbol.IsType; 93symbol is ITypeSymbol typeSymbol && 394var type1 = parameter1.Type.OriginalDefinition; 395var type2 = parameter2.Type.OriginalDefinition; 586public static ITypeSymbol? GetMemberOrLocalOrParameterType(this ISymbol symbol) 598public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 735public static bool HasDerivedTypeAttribute(this ITypeSymbol symbol, [NotNullWhen(returnValue: true)] INamedTypeSymbol? attribute) 862ITypeSymbol type => type.IsReadOnly,

19[NotNullWhen(returnValue: true)] this ITypeSymbol? fromSymbol, 20[NotNullWhen(returnValue: true)] ITypeSymbol? toSymbol, 25public static bool IsPrimitiveType(this ITypeSymbol type) 46public static bool Inherits([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? possibleBase) 71public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type, Func<INamedTypeSymbol, bool>? takeWhilePredicate = null) 82public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol type) 84ITypeSymbol current = type; 92public static bool DerivesFrom([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol, [NotNullWhen(returnValue: true)] ITypeSymbol? candidateBaseType, bool baseTypesOnly = false, bool checkTypeParameterConstraints = true) 101var allInterfaces = symbol.AllInterfaces.OfType<ITypeSymbol>(); 117foreach (var constraintType in typeParameterSymbol.ConstraintTypes) 143public static bool IsDisposable(this ITypeSymbol type, 168static bool IsInterfaceOrImplementsInterface(ITypeSymbol type, INamedTypeSymbol? interfaceType) 278public static bool IsAttribute(this ITypeSymbol symbol) 296public static bool HasValueCopySemantics(this ITypeSymbol typeSymbol) 300public static bool CanHoldNullValue([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 306public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 309public static bool IsNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 312public static bool IsReferenceTypeOrNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 315public static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 318public static ITypeSymbol? GetNullableValueTypeUnderlyingType(this ITypeSymbol? typeSymbol) 322public static ITypeSymbol? GetUnderlyingValueTupleTypeOrThis(this ITypeSymbol? typeSymbol) 335public static bool HasAnyCollectionCountProperty([NotNullWhen(returnValue: true)] this ITypeSymbol? invocationTarget, WellKnownTypeProvider wellKnownTypeProvider) 382bool isAnySupportedCollectionType(ITypeSymbol type)

56throwOperation.GetThrownExceptionType() is ITypeSymbol createdExceptionType)

28public ITypeSymbol? Type => WrappedOperation.Type;

53public ITypeSymbol? Type => WrappedOperation.Type;

27public ITypeSymbol? Type => WrappedOperation.Type;

13/// <see cref="IComparer{T}"/> for <see cref="ITypeSymbol"/>s sorted by display strings. 16internal sealed class SymbolByDisplayStringComparer : IComparer<ITypeSymbol> 49public int Compare([AllowNull] ITypeSymbol x, [AllowNull] ITypeSymbol y)

201internal bool IsTaskOfType([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol, bool> typeArgumentPredicate)

51ITypeSymbol coupledType) 351private static void AddCoupledNamedTypesCore(ImmutableHashSet<INamedTypeSymbol>.Builder builder, ITypeSymbol typeOpt, 365foreach (var type in usedType.TypeArguments)

113public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, params ITypeSymbol[] expectedParameterTypesInOrder) 122var parameterType = member.Parameters[i].Type; 158var parameterType = member.Parameters[i].Type; 190public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, IReadOnlyList<ITypeSymbol> expectedParameterTypesInOrder)

153public static bool IsImplementationOfInterfaceMethod(this IMethodSymbol method, ITypeSymbol? typeArgument, [NotNullWhen(returnValue: true)] INamedTypeSymbol? interfaceType, string interfaceMethodName) 772var returnType = method.ReturnType?.OriginalDefinition;

30public static ITypeSymbol? GetReceiverType(this IInvocationOperation invocation, Compilation compilation, bool beforeConversion, CancellationToken cancellationToken) 56private static ITypeSymbol? GetReceiverType(SyntaxNode receiverSyntax, Compilation compilation, CancellationToken cancellationToken) 114private static bool HasConstantValue(Optional<object?> constantValue, ITypeSymbol constantValueType, ulong comparand) 124public static ITypeSymbol? GetElementType(this IArrayCreationOperation? arrayCreation) 567public static ITypeSymbol? GetPatternType(this IPatternOperation pattern) 642public static ITypeSymbol? GetInstanceType(this IOperation operation) 764public static ITypeSymbol? GetThrownExceptionType(this IThrowOperation operation)

22return symbol is ITypeSymbol typeSymbol && typeSymbol.IsType; 93symbol is ITypeSymbol typeSymbol && 394var type1 = parameter1.Type.OriginalDefinition; 395var type2 = parameter2.Type.OriginalDefinition; 586public static ITypeSymbol? GetMemberOrLocalOrParameterType(this ISymbol symbol) 598public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 735public static bool HasDerivedTypeAttribute(this ITypeSymbol symbol, [NotNullWhen(returnValue: true)] INamedTypeSymbol? attribute) 862ITypeSymbol type => type.IsReadOnly,

19[NotNullWhen(returnValue: true)] this ITypeSymbol? fromSymbol, 20[NotNullWhen(returnValue: true)] ITypeSymbol? toSymbol, 25public static bool IsPrimitiveType(this ITypeSymbol type) 46public static bool Inherits([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? possibleBase) 71public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type, Func<INamedTypeSymbol, bool>? takeWhilePredicate = null) 82public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol type) 84ITypeSymbol current = type; 92public static bool DerivesFrom([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol, [NotNullWhen(returnValue: true)] ITypeSymbol? candidateBaseType, bool baseTypesOnly = false, bool checkTypeParameterConstraints = true) 101var allInterfaces = symbol.AllInterfaces.OfType<ITypeSymbol>(); 117foreach (var constraintType in typeParameterSymbol.ConstraintTypes) 143public static bool IsDisposable(this ITypeSymbol type, 168static bool IsInterfaceOrImplementsInterface(ITypeSymbol type, INamedTypeSymbol? interfaceType) 278public static bool IsAttribute(this ITypeSymbol symbol) 296public static bool HasValueCopySemantics(this ITypeSymbol typeSymbol) 300public static bool CanHoldNullValue([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 306public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 309public static bool IsNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 312public static bool IsReferenceTypeOrNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 315public static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 318public static ITypeSymbol? GetNullableValueTypeUnderlyingType(this ITypeSymbol? typeSymbol) 322public static ITypeSymbol? GetUnderlyingValueTupleTypeOrThis(this ITypeSymbol? typeSymbol) 335public static bool HasAnyCollectionCountProperty([NotNullWhen(returnValue: true)] this ITypeSymbol? invocationTarget, WellKnownTypeProvider wellKnownTypeProvider) 382bool isAnySupportedCollectionType(ITypeSymbol type)

56throwOperation.GetThrownExceptionType() is ITypeSymbol createdExceptionType)

28public ITypeSymbol? Type => WrappedOperation.Type;

53public ITypeSymbol? Type => WrappedOperation.Type;

27public ITypeSymbol? Type => WrappedOperation.Type;

13/// <see cref="IComparer{T}"/> for <see cref="ITypeSymbol"/>s sorted by display strings. 16internal sealed class SymbolByDisplayStringComparer : IComparer<ITypeSymbol> 49public int Compare([AllowNull] ITypeSymbol x, [AllowNull] ITypeSymbol y)

201internal bool IsTaskOfType([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol, bool> typeArgumentPredicate)

130var returnType = operation.Type?.OriginalDefinition;

49var knownTypes = new HashSet<ITypeSymbol>(SymbolEqualityComparer.Default); 116var returnType = method.ReturnType.OriginalDefinition; 154private static bool MethodParametersContainKnownTypes(IMethodSymbol method, HashSet<ITypeSymbol> typeSymbols)

107var keyType = type.TypeArguments[0]; 122var valueType = keyType;

19public readonly Dictionary<ITypeSymbol, List<Action<OperationAnalysisContext, IThrowOperation>>> ExceptionTypes = new(SymbolEqualityComparer.Default); 20public readonly Dictionary<ITypeSymbol, List<MethodHandlers>> Interfaces = new(SymbolEqualityComparer.Default);

366var t = invocationOp.Arguments[0].Value.Type!; 404var type = e.SemanticModel?.GetTypeInfo(e.Syntax).Type!; 427private static List<ITypeSymbol> MakeArgumentList(FixDetails details, IInvocationOperation invocationOp) 429var args = new List<ITypeSymbol>

34var type = op.Target.Type; 61var type = op.Value.Type;

36ITypeSymbol? type;

59var disqualifyingMemberAttributes = new HashSet<ITypeSymbol>(SymbolEqualityComparer.Default); 69var disqualifyingTypeAttributes = new HashSet<ITypeSymbol>(SymbolEqualityComparer.Default); 79var disqualifyingBaseClasses = new List<ITypeSymbol>(); 93var type = (ITypeSymbol)symbolActionContext.Symbol; 109foreach (var c in disqualifyingBaseClasses)

16public static bool IsAncestorOf(this ITypeSymbol potentialAncestor, ITypeSymbol potentialDescendant) 18ITypeSymbol? t = potentialDescendant;

19public readonly Dictionary<ITypeSymbol, List<Action<OperationAnalysisContext, IThrowOperation>>> ExceptionTypes = new(SymbolEqualityComparer.Default); 20public readonly Dictionary<ITypeSymbol, List<MethodHandlers>> Interfaces = new(SymbolEqualityComparer.Default);

164internal static ITypeSymbol? GetFieldOrPropertyType(this ISymbol symbol)

36var returnType = methodReference.Method.ReturnType; 59var returnType = resolvedOperation.Type; 76private static void AddDiagnosticWarning(OperationAnalysisContext context, Location location, ITypeSymbol returnType)

34foreach (var currentClass in controllerSymbol.GetTypeHierarchy()) 64foreach (var currentClass in actionSymbol.ContainingType.GetTypeHierarchy()) 136INamedTypeSymbol commonAttribute, ITypeSymbol attributeInterface, bool mustBeInheritable)

368if (attributeTypeSymbol.ContainingSymbol is ITypeSymbol typeSymbol &&

69ITypeSymbol typeSymbol => typeSymbol.GetMembers().OfType<IPropertySymbol>().ToImmutableArray().As<ISymbol>(),

34var returnType = UnwrapPossibleAsyncReturnType(methodSymbol.ReturnType); 67var type = returnedValue.Type; 89private static ITypeSymbol UnwrapPossibleAsyncReturnType(ITypeSymbol returnType)

208var parmeterType = targetMethod.Parameters[DelegateParameterOrdinal].Type;

15public static bool HasAttribute(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 18public static bool HasAttribute(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 21public static IEnumerable<AttributeData> GetAttributes(this ISymbol symbol, ITypeSymbol attribute) 32public static IEnumerable<AttributeData> GetAttributes(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 54public static IEnumerable<AttributeData> GetAttributes(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 59foreach (var type in GetTypeHierarchy(typeSymbol)) 73public static bool HasAttribute(this IPropertySymbol propertySymbol, ITypeSymbol attribute, bool inherit) 97public static bool IsAssignableFrom(this ITypeSymbol source, ITypeSymbol target) 120foreach (var type in target.GetTypeHierarchy()) 131public static bool HasAttribute(this ISymbol symbol, ITypeSymbol attribute) 144public static IEnumerable<ITypeSymbol> GetTypeHierarchy(this ITypeSymbol? typeSymbol)

20private static readonly BoundedCacheWithFactory<ITypeSymbol, (BindabilityMethod?, IMethodSymbol?)> BindabilityCache = new(); 21private static readonly BoundedCacheWithFactory<ITypeSymbol, (Parsability, ParsabilityMethod?)> ParsabilityCache = new(); 23private static bool IsTypeAlwaysParsable(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(true)] out ParsabilityMethod? parsabilityMethod) 50internal static Parsability GetParsability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 55internal static Parsability GetParsability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(false)] out ParsabilityMethod? parsabilityMethod) 115internal static bool IsParsableViaIParsable(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 124private static bool IsBindableViaIBindableFromHttpContext(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 134private static bool IsBindAsync(IMethodSymbol methodSymbol, ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 145private static bool IsBindAsyncWithParameter(IMethodSymbol methodSymbol, ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 156private static bool IsReturningValueTaskOfTOrNullableT(INamedTypeSymbol returnType, ITypeSymbol containingType, WellKnownTypes wellKnownTypes) 162internal static Bindability GetBindability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, out BindabilityMethod? bindabilityMethod, out IMethodSymbol? bindMethodSymbol) 180foreach (var candidate in searchCandidates)

19public static ITypeSymbol UnwrapTypeSymbol(this ITypeSymbol typeSymbol, bool unwrapArray = false, bool unwrapNullable = false) 42public static IEnumerable<ITypeSymbol> GetThisAndBaseTypes(this ITypeSymbol? type) 44var current = type; 125public static bool Implements(this ITypeSymbol type, ITypeSymbol interfaceType) 143public static ITypeSymbol GetParameterType(this ISymbol symbol)

116public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes) => IsType(type, wellKnownTypes, out var _); 118public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes, [NotNullWhen(true)] out WellKnownTypeData.WellKnownType? match) 133public bool Implements(ITypeSymbol type, WellKnownTypeData.WellKnownType[] interfaceWellKnownTypes) 146public static bool Implements(ITypeSymbol? type, ITypeSymbol interfaceType)

67var symbolType = symbol switch

64var symbolType = symbol.Symbol switch

8internal readonly struct ThisAndExtensionMethod(ITypeSymbol thisType, string extensionMethod) 10public ITypeSymbol ThisType { get; } = thisType;

20private static readonly BoundedCacheWithFactory<ITypeSymbol, (BindabilityMethod?, IMethodSymbol?)> BindabilityCache = new(); 21private static readonly BoundedCacheWithFactory<ITypeSymbol, (Parsability, ParsabilityMethod?)> ParsabilityCache = new(); 23private static bool IsTypeAlwaysParsable(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(true)] out ParsabilityMethod? parsabilityMethod) 50internal static Parsability GetParsability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 55internal static Parsability GetParsability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(false)] out ParsabilityMethod? parsabilityMethod) 115internal static bool IsParsableViaIParsable(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 124private static bool IsBindableViaIBindableFromHttpContext(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 134private static bool IsBindAsync(IMethodSymbol methodSymbol, ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 145private static bool IsBindAsyncWithParameter(IMethodSymbol methodSymbol, ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes) 156private static bool IsReturningValueTaskOfTOrNullableT(INamedTypeSymbol returnType, ITypeSymbol containingType, WellKnownTypes wellKnownTypes) 162internal static Bindability GetBindability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, out BindabilityMethod? bindabilityMethod, out IMethodSymbol? bindMethodSymbol) 180foreach (var candidate in searchCandidates)

19public static ITypeSymbol UnwrapTypeSymbol(this ITypeSymbol typeSymbol, bool unwrapArray = false, bool unwrapNullable = false) 42public static IEnumerable<ITypeSymbol> GetThisAndBaseTypes(this ITypeSymbol? type) 44var current = type; 125public static bool Implements(this ITypeSymbol type, ITypeSymbol interfaceType) 143public static ITypeSymbol GetParameterType(this ISymbol symbol)

116public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes) => IsType(type, wellKnownTypes, out var _); 118public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes, [NotNullWhen(true)] out WellKnownTypeData.WellKnownType? match) 133public bool Implements(ITypeSymbol type, WellKnownTypeData.WellKnownType[] interfaceWellKnownTypes) 146public static bool Implements(ITypeSymbol? type, ITypeSymbol interfaceType)

32var typeSymbol = parameterSymbol.Type;

25public static bool IsSerializableJsonResponse(this EndpointResponse endpointResponse, [NotNullWhen(true)] out ITypeSymbol? responseTypeSymbol)

16if (endpoint.Response?.IsSerializableJsonResponse(out var responseType) == true)

340var receiverType = endpointParameter.BindableMethodSymbol?.ReceiverType is { TypeKind: TypeKind.Interface } targetType 343var bindMethodReceiverType = receiverType?.UnwrapTypeSymbol(unwrapNullable: true); 346var unwrappedType = endpointParameter.UnwrapParameterType();

54private EndpointParameter(Endpoint endpoint, ITypeSymbol typeSymbol, string parameterName, WellKnownTypes wellKnownTypes) 60IsArray = TryGetArrayElementType(typeSymbol, out var elementType); 267private static bool ImplementsIEndpointMetadataProvider(ITypeSymbol type, WellKnownTypes wellKnownTypes) 270private static bool ImplementsIEndpointParameterMetadataProvider(ITypeSymbol type, WellKnownTypes wellKnownTypes) 273public ITypeSymbol Type { get; } 274public ITypeSymbol ElementType { get; } 304private static bool HasBindAsync(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(true)] out BindabilityMethod? bindMethod, [NotNullWhen(true)] out IMethodSymbol? bindMethodSymbol) 306var parameterType = typeSymbol.UnwrapTypeSymbol(unwrapArray: true, unwrapNullable: true); 310private static bool TryGetArrayElementType(ITypeSymbol type, [NotNullWhen(true)] out ITypeSymbol elementType) 324private bool TryGetParsability(ITypeSymbol typeSymbol, WellKnownTypes wellKnownTypes, [NotNullWhen(true)] out Func<string, string, string>? preferredTryParseInvocation) 326var parameterType = typeSymbol.UnwrapTypeSymbol(unwrapArray: true, unwrapNullable: true); 381private static bool TryGetSpecialTypeAssigningCode(ITypeSymbol type, WellKnownTypes wellKnownTypes, [NotNullWhen(true)] out string? callingCode)

16public ITypeSymbol? ResponseType { get; set; } 17public ITypeSymbol WrappedResponseType { get; set; } 41private static bool ImplementsIEndpointMetadataProvider(ITypeSymbol? responseType, WellKnownTypes wellKnownTypes) 44private ITypeSymbol? UnwrapResponseType(IMethodSymbol method, out bool isAwaitable, out bool awaitableIsVoid) 48var returnType = method.ReturnType;

10public static ITypeSymbol UnwrapParameterType(this EndpointParameter parameter) 12var handlerParameterType = parameter.Type; 13var bindAsyncReturnType = parameter.GetBindAsyncReturnType(); 54public static ITypeSymbol? GetBindAsyncReturnType(this EndpointParameter parameter) 57public static bool IsNullableOfT(this ITypeSymbol? typeSymbol)

12public ParameterLookupKey(string name, ITypeSymbol type) 19public ITypeSymbol Type { get; }

39var type = p.UnwrapParameterType();

12public static bool IsEnumerable(this ITypeSymbol type, INamedTypeSymbol enumerable) 22public static bool ImplementsValidationAttribute(this ITypeSymbol typeSymbol, INamedTypeSymbol validationAttributeSymbol) 37public static ITypeSymbol UnwrapType(this ITypeSymbol type, INamedTypeSymbol enumerable) 61internal static bool ImplementsInterface(this ITypeSymbol type, ITypeSymbol interfaceType) 73internal static ImmutableArray<INamedTypeSymbol>? GetJsonDerivedTypes(this ITypeSymbol type, INamedTypeSymbol jsonDerivedTypeAttribute) 93internal static bool IsExemptType(this ITypeSymbol type, RequiredSymbols requiredSymbols)

10ITypeSymbol ContainingType, 11ITypeSymbol Type,

10ITypeSymbol Type,

22List<ITypeSymbol> visitedTypes = []; 24if (TryExtractValidatableType((ITypeSymbol)context.TargetSymbol, requiredSymbols, ref validatableTypes, ref visitedTypes))

28List<ITypeSymbol> visitedTypes = []; 36internal bool TryExtractValidatableType(ITypeSymbol typeSymbol, RequiredSymbols requiredSymbols, ref HashSet<ValidatableType> validatableTypes, ref List<ITypeSymbol> visitedTypes) 89internal ImmutableArray<ValidatableProperty> ExtractValidatableMembers(ITypeSymbol typeSymbol, RequiredSymbols requiredSymbols, ref HashSet<ValidatableType> validatableTypes, ref List<ITypeSymbol> visitedTypes)

116public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes) => IsType(type, wellKnownTypes, out var _); 118public bool IsType(ITypeSymbol type, WellKnownTypeData.WellKnownType[] wellKnownTypes, [NotNullWhen(true)] out WellKnownTypeData.WellKnownType? match) 133public bool Implements(ITypeSymbol type, WellKnownTypeData.WellKnownType[] interfaceWellKnownTypes) 146public static bool Implements(ITypeSymbol? type, ITypeSymbol interfaceType)

15public static bool HasAttribute(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 18public static bool HasAttribute(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 21public static IEnumerable<AttributeData> GetAttributes(this ISymbol symbol, ITypeSymbol attribute) 32public static IEnumerable<AttributeData> GetAttributes(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 54public static IEnumerable<AttributeData> GetAttributes(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 59foreach (var type in GetTypeHierarchy(typeSymbol)) 73public static bool HasAttribute(this IPropertySymbol propertySymbol, ITypeSymbol attribute, bool inherit) 97public static bool IsAssignableFrom(this ITypeSymbol source, ITypeSymbol target) 120foreach (var type in target.GetTypeHierarchy()) 131public static bool HasAttribute(this ISymbol symbol, ITypeSymbol attribute) 144public static IEnumerable<ITypeSymbol> GetTypeHierarchy(this ITypeSymbol? typeSymbol)

105var type = parameter.Type; 130private static bool IsComplexType(ITypeSymbol type)

14public ActualApiResponseMetadata(IReturnOperation returnExpression, ITypeSymbol returnType) 21public ActualApiResponseMetadata(IReturnOperation returnExpression, int statusCode, ITypeSymbol? returnType) 34public ITypeSymbol? ReturnType { get; }

79var statementReturnType = returnedValue.Type; 116ITypeSymbol? returnType = null; 155private static (int? statusCode, ITypeSymbol? returnType) InspectInitializers( 160ITypeSymbol? typeSymbol = null; 191private static (int? statusCode, ITypeSymbol? returnType) InspectMethodArguments(ImmutableArray<IArgumentOperation> arguments) 194ITypeSymbol? typeSymbol = null;

56var errorResponseType = SymbolApiResponseMetadataProvider.GetErrorResponseType(context.SymbolCache, context.Method); 70var returnType = item.typeSymbol; 169private static ICollection<(int statusCode, ITypeSymbol? typeSymbol)> CalculateStatusCodesToApply(in CodeActionContext context, IList<DeclaredApiResponseMetadata> declaredResponseMetadata) 176return Array.Empty<(int, ITypeSymbol?)>(); 179var statusCodes = new Dictionary<int, (int, ITypeSymbol?)>(); 214private static AttributeSyntax CreateProducesResponseTypeAttribute(in CodeActionContext context, int statusCode, ITypeSymbol typeSymbol, out bool addUsingDirective)

144ITypeSymbol modelStateDictionary, 191public ITypeSymbol ModelStateDictionary { get; }

15public static bool HasAttribute(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 18public static bool HasAttribute(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 21public static IEnumerable<AttributeData> GetAttributes(this ISymbol symbol, ITypeSymbol attribute) 32public static IEnumerable<AttributeData> GetAttributes(this IMethodSymbol methodSymbol, ITypeSymbol attribute, bool inherit) 54public static IEnumerable<AttributeData> GetAttributes(this ITypeSymbol typeSymbol, ITypeSymbol attribute, bool inherit) 59foreach (var type in GetTypeHierarchy(typeSymbol)) 73public static bool HasAttribute(this IPropertySymbol propertySymbol, ITypeSymbol attribute, bool inherit) 97public static bool IsAssignableFrom(this ITypeSymbol source, ITypeSymbol target) 120foreach (var type in target.GetTypeHierarchy()) 131public static bool HasAttribute(this ISymbol symbol, ITypeSymbol attribute) 144public static IEnumerable<ITypeSymbol> GetTypeHierarchy(this ITypeSymbol? typeSymbol)

184internal static bool IsTypeMatch(ITypeSymbol type, ITypeSymbol conventionType, SymbolApiConventionTypeMatchBehavior typeMatchBehavior)

43public static ITypeSymbol GetErrorResponseType( 52ITypeSymbol errorType = symbolCache.ProblemDetails; 56errorTypeAttribute.ConstructorArguments[0].Value is ITypeSymbol typeSymbol) 67IReadOnlyList<ITypeSymbol> conventionTypes) 99!(attribute.ConstructorArguments[0].Value is ITypeSymbol conventionType)) 119IReadOnlyList<ITypeSymbol> conventionTypes) 121foreach (var conventionType in conventionTypes) 161internal static IReadOnlyList<ITypeSymbol> GetConventionTypes(in ApiControllerSymbolCache symbolCache, IMethodSymbol method) 169var conventionTypes = new List<ITypeSymbol>(); 175!(attribute.ConstructorArguments[0].Value is ITypeSymbol conventionType))

72public static ImmutableArray<ITypeSymbol> GetAllTypeArguments(this ISymbol symbol) 74var results = ImmutableArray.CreateBuilder<ITypeSymbol>(); 87public static ImmutableArray<ITypeSymbol> GetTypeArguments(this ISymbol? symbol) 183public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol? type)

240var providerSymbols = new Dictionary<string, (ITypeSymbol, MemberAccessExpressionSyntax)>(); 246ITypeSymbol symbol; 252symbol = (ITypeSymbol)argModel.GetSymbolInfo(argType).Symbol;

228var hubSymbols = new Dictionary<string, (ITypeSymbol, MemberAccessExpressionSyntax)>(); 237if (ModelExtensions.GetSymbolInfo(argumentModel, proxyType).Symbol is not ITypeSymbol { IsAbstract: true } symbol)

1009internal abstract bool IsAttributeType(ITypeSymbol type); 1022public ITypeSymbol DynamicType { get { return CommonDynamicType; } } 1023protected abstract ITypeSymbol CommonDynamicType { get; } 1028internal ITypeSymbol? ScriptGlobalsType => CommonScriptGlobalsType; 1029protected abstract ITypeSymbol? CommonScriptGlobalsType { get; } 1087public IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation elementNullableAnnotation = NullableAnnotation.None) 1097public IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank) 1102protected abstract IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation elementNullableAnnotation); 1109public IPointerTypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 1114protected abstract IPointerTypeSymbol CommonCreatePointerTypeSymbol(ITypeSymbol elementType); 1130ITypeSymbol returnType, 1132ImmutableArray<ITypeSymbol> parameterTypes, 1141ITypeSymbol returnType, 1143ImmutableArray<ITypeSymbol> parameterTypes, 1299ImmutableArray<ITypeSymbol> elementTypes, 1340ImmutableArray<ITypeSymbol> elementTypes, 1404ImmutableArray<ITypeSymbol> elementTypes, 1456ImmutableArray<ITypeSymbol> memberTypes, 1525ImmutableArray<ITypeSymbol> memberTypes, 1534ImmutableArray<ITypeSymbol> memberTypes, 1550public IMethodSymbol CreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol leftType, ITypeSymbol rightType) 1566protected abstract IMethodSymbol CommonCreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol leftType, ITypeSymbol rightType); 1577public IMethodSymbol CreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol operandType) 1590protected abstract IMethodSymbol CommonCreateBuiltinOperator(string name, ITypeSymbol returnType, ITypeSymbol operandType); 1600public abstract CommonConversion ClassifyCommonConversion(ITypeSymbol source, ITypeSymbol destination); 1608public bool HasImplicitConversion(ITypeSymbol? fromType, ITypeSymbol? toType) 1631ITypeSymbol? throughType = null) 1760ITypeSymbol? throughType); 1762internal abstract IConvertibleConversion ClassifyConvertibleConversion(IOperation source, ITypeSymbol destination, out ConstantValue? constantValue); 3683internal 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)

271protected abstract void ReportInvalidNamedArgument(DiagnosticBag diagnostics, SyntaxNode attributeSyntax, int namedArgumentIndex, ITypeSymbol attributeClass, string parameterName); 273public 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)

864private static ITypeSymbol? ParseTypeSymbol(string id, ref int index, Compilation compilation, ISymbol? typeParameterContext) 876return (ITypeSymbol)results[0]; 918results.AddRange(contexts.OfType<ITypeSymbol>()); 944var typeSymbol = (ITypeSymbol)results[i]; 1022List<ITypeSymbol>? typeArguments = null; 1028typeArguments = new List<ITypeSymbol>(); 1121private static bool ParseTypeArguments(string id, ref int index, Compilation compilation, ISymbol? typeParameterContext, List<ITypeSymbol> typeArguments) 1127var type = ParseTypeSymbol(id, ref index, compilation, typeParameterContext); 1261ITypeSymbol? returnType = ParseTypeSymbol(id, ref index, compilation, methodSymbol); 1405var parameterType = parameterInfo.Type; 1441internal readonly ITypeSymbol Type; 1444public ParameterInfo(ITypeSymbol type, bool isRefOrOut) 1498var type = ParseTypeSymbol(id, ref index, compilation, typeParameterContext);

718ITypeSymbol? ConstrainedToType { get; } 781ITypeSymbol? ConstrainedToType { get; } 911ITypeSymbol? ConstrainedToType { get; } 1081ITypeSymbol? ConstrainedToType { get; } 1140ITypeSymbol? ConstrainedToType { get; } 1401ITypeSymbol TypeOperand { get; } 1533ITypeSymbol? ConstrainedToType { get; } 1838ITypeSymbol? NaturalType { get; } 1900ImmutableArray<ITypeSymbol> TypeArguments { get; } 1904ITypeSymbol? ContainingType { get; } 2076ITypeSymbol TypeOperand { get; } 2100ITypeSymbol TypeOperand { get; } 2203ITypeSymbol? ConstrainedToType { get; } 2612ITypeSymbol ExceptionType { get; } 2889ITypeSymbol InputType { get; } 2893ITypeSymbol NarrowedType { get; } 2941ITypeSymbol? MatchedType { get; } 3221ITypeSymbol MatchedType { get; } 3565ITypeSymbol MatchedType { get; } 3989ITypeSymbol? ElementType { get; } 4050public override ITypeSymbol? Type => null; 4105public override ITypeSymbol? Type => null; 4175public override ITypeSymbol? Type => null; 4281public override ITypeSymbol? Type => null; 4373public override ITypeSymbol? Type => null; 4485public override ITypeSymbol? Type => null; 4509public override ITypeSymbol? Type => null; 4562public override ITypeSymbol? Type => null; 4582public override ITypeSymbol? Type => null; 4596public override ITypeSymbol? Type => null; 4648public override ITypeSymbol? Type => null; 4712public override ITypeSymbol? Type => null; 4791public override ITypeSymbol? Type => null; 4859public override ITypeSymbol? Type => null; 4910public override ITypeSymbol? Type => null; 4974public override ITypeSymbol? Type => null; 4988public override ITypeSymbol? Type => null; 5002public override ITypeSymbol? Type => null; 5068public override ITypeSymbol? Type => null; 5076internal LiteralOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5086public override ITypeSymbol? Type { get; } 5094internal ConversionOperation(IOperation operand, IConvertibleConversion conversion, bool isTryCast, bool isChecked, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5146public override ITypeSymbol? Type { get; } 5154internal InvocationOperation(IMethodSymbol targetMethod, ITypeSymbol? constrainedToType, IOperation? instance, bool isVirtual, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5165public ITypeSymbol? ConstrainedToType { get; } 5219public override ITypeSymbol? Type { get; } 5227internal ArrayElementReferenceOperation(IOperation arrayReference, ImmutableArray<IOperation> indices, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5286public override ITypeSymbol? Type { get; } 5294internal LocalReferenceOperation(ILocalSymbol local, bool isDeclaration, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5308public override ITypeSymbol? Type { get; } 5316internal ParameterReferenceOperation(IParameterSymbol parameter, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5327public override ITypeSymbol? Type { get; } 5341public abstract ITypeSymbol? ConstrainedToType { get; } 5345internal FieldReferenceOperation(IFieldSymbol field, bool isDeclaration, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5392public override ITypeSymbol? Type { get; } 5400internal MethodReferenceOperation(IMethodSymbol method, ITypeSymbol? constrainedToType, bool isVirtual, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5409public override ITypeSymbol? ConstrainedToType { get; } 5448public override ITypeSymbol? Type { get; } 5456internal PropertyReferenceOperation(IPropertySymbol property, ITypeSymbol? constrainedToType, ImmutableArray<IArgumentOperation> arguments, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5465public override ITypeSymbol? ConstrainedToType { get; } 5517public override ITypeSymbol? Type { get; } 5525internal EventReferenceOperation(IEventSymbol @event, ITypeSymbol? constrainedToType, IOperation? instance, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 5533public override ITypeSymbol? ConstrainedToType { get; } 5571public override ITypeSymbol? Type { get; } 5579internal UnaryOperation(UnaryOperatorKind operatorKind, IOperation operand, bool isLifted, bool isChecked, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5596public ITypeSymbol? ConstrainedToType { get; } 5634public override ITypeSymbol? Type { get; } 5642internal 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) 5664public ITypeSymbol? ConstrainedToType { get; } 5712public override ITypeSymbol? Type { get; } 5720internal ConditionalOperation(IOperation condition, IOperation whenTrue, IOperation? whenFalse, bool isRef, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5789public override ITypeSymbol? Type { get; } 5797internal CoalesceOperation(IOperation value, IOperation whenNull, IConvertibleConversion valueConversion, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5856public override ITypeSymbol? Type { get; } 5909public override ITypeSymbol? Type => null; 5917internal ObjectCreationOperation(IMethodSymbol? constructor, IObjectOrCollectionInitializerOperation? initializer, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 5979public override ITypeSymbol? Type { get; } 5987internal TypeParameterObjectCreationOperation(IObjectOrCollectionInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6031public override ITypeSymbol? Type { get; } 6039internal ArrayCreationOperation(ImmutableArray<IOperation> dimensionSizes, IArrayInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6098public override ITypeSymbol? Type { get; } 6106internal InstanceReferenceOperation(InstanceReferenceKind referenceKind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6117public override ITypeSymbol? Type { get; } 6125internal IsTypeOperation(IOperation valueOperand, ITypeSymbol typeOperand, bool isNegated, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6134public ITypeSymbol TypeOperand { get; } 6173public override ITypeSymbol? Type { get; } 6181internal AwaitOperation(IOperation operation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6225public override ITypeSymbol? Type { get; } 6244internal SimpleAssignmentOperation(bool isRef, IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6298public override ITypeSymbol? Type { get; } 6306internal 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) 6326public ITypeSymbol? ConstrainedToType { get; } 6373public override ITypeSymbol? Type { get; } 6381internal ParenthesizedOperation(IOperation operand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6426public override ITypeSymbol? Type { get; } 6434internal EventAssignmentOperation(IOperation eventReference, IOperation handlerValue, bool adds, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6491public override ITypeSymbol? Type { get; } 6499internal ConditionalAccessOperation(IOperation operation, IOperation whenNotNull, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6554public override ITypeSymbol? Type { get; } 6562internal ConditionalAccessInstanceOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6571public override ITypeSymbol? Type { get; } 6579internal InterpolatedStringOperation(ImmutableArray<IInterpolatedStringContentOperation> parts, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6628public override ITypeSymbol? Type { get; } 6636internal AnonymousObjectCreationOperation(ImmutableArray<IOperation> initializers, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6684public override ITypeSymbol? Type { get; } 6692internal ObjectOrCollectionInitializerOperation(ImmutableArray<IOperation> initializers, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6740public override ITypeSymbol? Type { get; } 6748internal MemberInitializerOperation(IOperation initializedMember, IObjectOrCollectionInitializerOperation initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6803public override ITypeSymbol? Type { get; } 6811internal NameOfOperation(IOperation argument, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 6856public override ITypeSymbol? Type { get; } 6864internal TupleOperation(ImmutableArray<IOperation> elements, ITypeSymbol? naturalType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6872public ITypeSymbol? NaturalType { get; } 6914public override ITypeSymbol? Type { get; } 6922internal DynamicMemberReferenceOperation(IOperation? instance, string memberName, ImmutableArray<ITypeSymbol> typeArguments, ITypeSymbol? containingType, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 6933public ImmutableArray<ITypeSymbol> TypeArguments { get; } 6934public ITypeSymbol? ContainingType { get; } 6972public override ITypeSymbol? Type { get; } 6980internal TranslatedQueryOperation(IOperation operation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7024public override ITypeSymbol? Type { get; } 7032internal DelegateCreationOperation(IOperation target, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7076public override ITypeSymbol? Type { get; } 7084internal DefaultValueOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 7094public override ITypeSymbol? Type { get; } 7102internal TypeOfOperation(ITypeSymbol typeOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7108public ITypeSymbol TypeOperand { get; } 7113public override ITypeSymbol? Type { get; } 7121internal SizeOfOperation(ITypeSymbol typeOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 7128public ITypeSymbol TypeOperand { get; } 7133public override ITypeSymbol? Type { get; } 7141internal AddressOfOperation(IOperation reference, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7185public override ITypeSymbol? Type { get; } 7193internal IsPatternOperation(IOperation value, IPatternOperation pattern, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7248public override ITypeSymbol? Type { get; } 7256internal IncrementOrDecrementOperation(bool isPostfix, bool isLifted, bool isChecked, IOperation target, IMethodSymbol? operatorMethod, ITypeSymbol? constrainedToType, OperationKind kind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7273public ITypeSymbol? ConstrainedToType { get; } 7311public override ITypeSymbol? Type { get; } 7319internal ThrowOperation(IOperation? exception, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7363public override ITypeSymbol? Type { get; } 7371internal DeconstructionAssignmentOperation(IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7422public override ITypeSymbol? Type { get; } 7430internal DeclarationExpressionOperation(IOperation expression, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7474public override ITypeSymbol? Type { get; } 7482internal OmittedArgumentOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 7491public override ITypeSymbol? Type { get; } 7553public override ITypeSymbol? Type => null; 7600public override ITypeSymbol? Type => null; 7651public override ITypeSymbol? Type => null; 7702public override ITypeSymbol? Type => null; 7757public override ITypeSymbol? Type => null; 7825public override ITypeSymbol? Type => null; 7906public override ITypeSymbol? Type => null; 7967public override ITypeSymbol? Type => null; 7975internal CatchClauseOperation(IOperation? exceptionDeclarationOrExpression, ITypeSymbol exceptionType, ImmutableArray<ILocalSymbol> locals, IOperation? filter, IBlockOperation handler, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 7985public ITypeSymbol ExceptionType { get; } 8044public override ITypeSymbol? Type => null; 8118public override ITypeSymbol? Type => null; 8142public override ITypeSymbol? Type => null; 8205public override ITypeSymbol? Type => null; 8267public override ITypeSymbol? Type => null; 8320public override ITypeSymbol? Type => null; 8371public override ITypeSymbol? Type => null; 8427public override ITypeSymbol? Type => null; 8500public override ITypeSymbol? Type => null; 8508protected BasePatternOperation(ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8514public ITypeSymbol InputType { get; } 8515public ITypeSymbol NarrowedType { get; } 8519internal ConstantPatternOperation(IOperation value, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8562public override ITypeSymbol? Type => null; 8570internal DeclarationPatternOperation(ITypeSymbol? matchedType, bool matchesNull, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 8577public ITypeSymbol? MatchedType { get; } 8584public override ITypeSymbol? Type => null; 8592internal TupleBinaryOperation(BinaryOperatorKind operatorKind, IOperation leftOperand, IOperation rightOperand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8649public override ITypeSymbol? Type { get; } 8716public override ITypeSymbol? Type => null; 8787public override ITypeSymbol? Type => null; 8795internal DiscardOperation(IDiscardSymbol discardSymbol, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8806public override ITypeSymbol? Type { get; } 8859public override ITypeSymbol? Type => null; 8867internal FlowCaptureReferenceOperation(CaptureId id, bool isInitialization, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 8881public override ITypeSymbol? Type { get; } 8889internal IsNullOperation(IOperation operand, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, ConstantValue? constantValue, bool isImplicit) 8934public override ITypeSymbol? Type { get; } 8942internal CaughtExceptionOperation(SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8951public override ITypeSymbol? Type { get; } 8959internal StaticLocalInitializationSemaphoreOperation(ILocalSymbol local, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 8970public override ITypeSymbol? Type { get; } 8978internal CoalesceAssignmentOperation(IOperation target, IOperation value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9029public override ITypeSymbol? Type { get; } 9037internal RangeOperation(IOperation? leftOperand, IOperation? rightOperand, bool isLifted, IMethodSymbol? method, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9096public override ITypeSymbol? Type { get; } 9153public override ITypeSymbol? Type => null; 9219public override ITypeSymbol? Type => null; 9227internal RecursivePatternOperation(ITypeSymbol matchedType, ISymbol? deconstructSymbol, ImmutableArray<IPatternOperation> deconstructionSubpatterns, ImmutableArray<IPropertySubpatternOperation> propertySubpatterns, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9236public ITypeSymbol MatchedType { get; } 9295public override ITypeSymbol? Type => null; 9303internal DiscardPatternOperation(ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9309public override ITypeSymbol? Type => null; 9317internal SwitchExpressionOperation(IOperation value, ImmutableArray<ISwitchExpressionArmOperation> arms, bool isExhaustive, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9378public override ITypeSymbol? Type { get; } 9453public override ITypeSymbol? Type => null; 9515public override ITypeSymbol? Type => null; 9523internal AggregateQueryOperation(IOperation group, IOperation aggregation, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9578public override ITypeSymbol? Type { get; } 9642public override ITypeSymbol? Type => null; 9650internal NoPiaObjectCreationOperation(IObjectOrCollectionInitializerOperation? initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9694public override ITypeSymbol? Type { get; } 9702internal PlaceholderOperation(PlaceholderKind placeholderKind, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 9713public override ITypeSymbol? Type { get; } 9775public override ITypeSymbol? Type => null; 9830public override ITypeSymbol? Type => null; 9838internal NegatedPatternOperation(IPatternOperation pattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9881public override ITypeSymbol? Type => null; 9889internal BinaryPatternOperation(BinaryOperatorKind operatorKind, IPatternOperation leftPattern, IPatternOperation rightPattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9945public override ITypeSymbol? Type => null; 9953internal TypePatternOperation(ITypeSymbol matchedType, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 9958public ITypeSymbol MatchedType { get; } 9963public override ITypeSymbol? Type => null; 9971internal RelationalPatternOperation(BinaryOperatorKind operatorKind, IOperation value, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10016public override ITypeSymbol? Type => null; 10024internal WithOperation(IOperation operand, IMethodSymbol? cloneMethod, IObjectOrCollectionInitializerOperation initializer, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10081public override ITypeSymbol? Type { get; } 10089internal InterpolatedStringHandlerCreationOperation(IOperation handlerCreation, bool handlerCreationHasSuccessParameter, bool handlerAppendCallsReturnBool, IOperation content, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10148public override ITypeSymbol? Type { get; } 10210public override ITypeSymbol? Type => null; 10262public override ITypeSymbol? Type => null; 10282public override ITypeSymbol? Type => null; 10290internal FunctionPointerInvocationOperation(IOperation target, ImmutableArray<IArgumentOperation> arguments, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10349public override ITypeSymbol? Type { get; } 10357internal ListPatternOperation(ISymbol? lengthSymbol, ISymbol? indexerSymbol, ImmutableArray<IPatternOperation> patterns, ISymbol? declaredSymbol, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10410public override ITypeSymbol? Type => null; 10418internal SlicePatternOperation(ISymbol? sliceSymbol, IPatternOperation? pattern, ITypeSymbol inputType, ITypeSymbol narrowedType, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10463public override ITypeSymbol? Type => null; 10471internal ImplicitIndexerReferenceOperation(IOperation instance, IOperation argument, ISymbol lengthSymbol, ISymbol indexerSymbol, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10530public override ITypeSymbol? Type { get; } 10538internal Utf8StringOperation(string value, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10549public override ITypeSymbol? Type { get; } 10600public override ITypeSymbol? Type => null; 10608internal InlineArrayAccessOperation(IOperation instance, IOperation argument, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10663public override ITypeSymbol? Type { get; } 10671internal CollectionExpressionOperation(IMethodSymbol? constructMethod, ImmutableArray<IOperation> elements, SemanticModel? semanticModel, SyntaxNode syntax, ITypeSymbol? type, bool isImplicit) 10721public override ITypeSymbol? Type { get; } 10729internal SpreadOperation(IOperation operand, ITypeSymbol? elementType, IConvertibleConversion elementConversion, SemanticModel? semanticModel, SyntaxNode syntax, bool isImplicit) 10737public ITypeSymbol? ElementType { get; } 10777public 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; }

2456private IOperation CreateConversion(IOperation operand, ITypeSymbol type) 2988ITypeSymbol? valueTypeOpt = operationValue.Type; 3288private static IOperation MakeInvalidOperation(ITypeSymbol? type, IOperation child) 3295private static IOperation MakeInvalidOperation(SyntaxNode syntax, ITypeSymbol? type, IOperation child1, IOperation child2) 3300private static IOperation MakeInvalidOperation(SyntaxNode syntax, ITypeSymbol? type, ImmutableArray<IOperation> children) 3312private static IsNullOperation MakeIsNullOperation(IOperation operand, ITypeSymbol booleanType) 3330ITypeSymbol? valueType = value.Type; 3531ITypeSymbol? testExpressionType = testExpression.Type; 3785private void AddExceptionStore(ITypeSymbol exceptionType, IOperation? exceptionDeclarationOrExpression) 3961ITypeSymbol iDisposable = isAsynchronous 4112private void AddDisposingFinally(IOperation resource, bool requiresRuntimeConversion, ITypeSymbol iDisposable, IMethodSymbol? disposeMethod, ImmutableArray<IArgumentOperation> disposeArguments, bool isAsynchronous) 4204bool isNotNullableValueType([NotNullWhen(true)] ITypeSymbol? type) 4210private IOperation ConvertToIDisposable(IOperation operand, ITypeSymbol iDisposable, bool isTryCast = false) 4273ITypeSymbol objectType = _compilation.GetSpecialType(SpecialType.System_Object); 4537var iDisposable = isAsynchronous 4559IOperation applyConversion(IConvertibleConversion? conversionOpt, IOperation operand, ITypeSymbol? targetType) 4742ITypeSymbol booleanType = _compilation.GetSpecialType(SpecialType.System_Boolean); 4755ITypeSymbol? stepEnumUnderlyingTypeOrSelf = ITypeSymbolHelpers.GetEnumUnderlyingTypeOrSelf(operation.StepValue.Type); 4926ITypeSymbol? stepValueEnumUnderlyingTypeOrSelf = ITypeSymbolHelpers.GetEnumUnderlyingTypeOrSelf(stepValue.Type); 5662private IOperation MakeNullable(IOperation operand, ITypeSymbol type) 5832ITypeSymbol 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; }

15public readonly ITypeSymbol ElementType; 44ITypeSymbol elementType,

75public 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) :

133protected void AddNonNullConstantValue(ITypeSymbol type, object constantValue, bool preferNumericValueOrExpandedFlagsForEnum = false) 181private static bool IsFlagsEnum(ITypeSymbol typeSymbol)

52var type1 = GetSymbolType(normalSymbol); 53var type2 = GetSymbolType(typeOnlySymbol); 97protected static ITypeSymbol? GetSymbolType(ISymbol symbol) 126return aliasSymbol.Target as ITypeSymbol; 129return 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);

63ITypeSymbol Type { get; }

23ITypeSymbol PointedAtType { get; }

63ITypeSymbol Type { get; }

33var typeArgs = new ITypeSymbol[reducedFrom.TypeParameters.Length]; 38var arg = method.TypeArguments[i]; 54var inferredType = method.GetTypeInferredDuringReduction(reducedFrom.TypeParameters[i]); 123internal static bool IsWellKnownTypeLock(this ITypeSymbol type) 143internal static LockTypeInfo? TryFindLockTypeInfo(this ITypeSymbol lockType) 151ITypeSymbol? scopeType = enterScopeMethod.ReturnType; 172private static IMethodSymbol? TryFindPublicVoidParameterlessMethod(ITypeSymbol type, string name)

85ImmutableArray<ITypeSymbol> ConstraintTypes { get; }

99new ITypeSymbol OriginalDefinition { get; } 206ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation); 213internal static bool IsNullableType([NotNullWhen(returnValue: true)] ITypeSymbol? typeOpt) 218internal static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] ITypeSymbol? type) 223internal static ITypeSymbol GetNullableUnderlyingType(ITypeSymbol type) 229internal static bool IsBooleanType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 234internal static bool IsObjectType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 239internal static bool IsSignedIntegralType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 244internal static bool IsUnsignedIntegralType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 249internal static bool IsNumericType([NotNullWhen(returnValue: true)] ITypeSymbol? type) 254internal static ITypeSymbol? GetEnumUnderlyingType(ITypeSymbol? type) 260internal static ITypeSymbol? GetEnumUnderlyingTypeOrSelf(ITypeSymbol? type) 265internal 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);

289private static bool IsSymbolType(ITypeSymbol typeSymbol, INamedTypeSymbol? symbolType)

259private static void AddUsedNamedTypeCore(ITypeSymbol? type, PooledHashSet<INamedTypeSymbol> builder, ref bool hasAccessToTypeFromWorkspaceAssemblies) 275foreach (var typeArgument in usedType.TypeArguments)

134ITypeSymbol? type = semanticModel.GetTypeInfo(typeNode, symbolContext.CancellationToken).Type; 137foreach (ITypeSymbol innerType in type.GetBaseTypesAndThis()) 164private static void ReportDiagnostic(ITypeSymbol type, TTypeSyntax typeSyntax, SymbolAnalysisContext context)

234protected abstract bool IsSyntaxKind(ITypeSymbol type); 285private static bool IsContextType(ITypeSymbol type, params INamedTypeSymbol[] allowedContextTypes) 336ITypeSymbol? type = semanticModel.GetTypeInfo(arguments.First(), context.CancellationToken).ConvertedType; 382ITypeSymbol? typeArgument = null;

212ITypeSymbol? type = semanticModel.GetTypeInfo(argument, symbolContext.CancellationToken).ConvertedType;

251bool VerifyType(Action<Diagnostic> reportDiagnostic, ITypeSymbol? type, SyntaxNode syntaxNode) 309bool VerifyTypeArguments(Action<Diagnostic> reportDiagnostic, ITypeSymbol? type, SyntaxNode syntaxNode, out ITypeSymbol? originalDefinition) 315foreach (var typeArgument in namedTypeSymbol.TypeArguments) 380if (symbol is ITypeSymbol typeSymbol) 396if (symbol is ITypeSymbol typeSymbol)

51ITypeSymbol coupledType) 351private static void AddCoupledNamedTypesCore(ImmutableHashSet<INamedTypeSymbol>.Builder builder, ITypeSymbol typeOpt, 365foreach (var type in usedType.TypeArguments)

113public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, params ITypeSymbol[] expectedParameterTypesInOrder) 122var parameterType = member.Parameters[i].Type; 158var parameterType = member.Parameters[i].Type; 190public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, IReadOnlyList<ITypeSymbol> expectedParameterTypesInOrder)

153public static bool IsImplementationOfInterfaceMethod(this IMethodSymbol method, ITypeSymbol? typeArgument, [NotNullWhen(returnValue: true)] INamedTypeSymbol? interfaceType, string interfaceMethodName) 772var returnType = method.ReturnType?.OriginalDefinition;

30public static ITypeSymbol? GetReceiverType(this IInvocationOperation invocation, Compilation compilation, bool beforeConversion, CancellationToken cancellationToken) 56private static ITypeSymbol? GetReceiverType(SyntaxNode receiverSyntax, Compilation compilation, CancellationToken cancellationToken) 114private static bool HasConstantValue(Optional<object?> constantValue, ITypeSymbol constantValueType, ulong comparand) 124public static ITypeSymbol? GetElementType(this IArrayCreationOperation? arrayCreation) 567public static ITypeSymbol? GetPatternType(this IPatternOperation pattern) 642public static ITypeSymbol? GetInstanceType(this IOperation operation) 764public static ITypeSymbol? GetThrownExceptionType(this IThrowOperation operation)

22return symbol is ITypeSymbol typeSymbol && typeSymbol.IsType; 93symbol is ITypeSymbol typeSymbol && 394var type1 = parameter1.Type.OriginalDefinition; 395var type2 = parameter2.Type.OriginalDefinition; 586public static ITypeSymbol? GetMemberOrLocalOrParameterType(this ISymbol symbol) 598public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 735public static bool HasDerivedTypeAttribute(this ITypeSymbol symbol, [NotNullWhen(returnValue: true)] INamedTypeSymbol? attribute) 862ITypeSymbol type => type.IsReadOnly,

19[NotNullWhen(returnValue: true)] this ITypeSymbol? fromSymbol, 20[NotNullWhen(returnValue: true)] ITypeSymbol? toSymbol, 25public static bool IsPrimitiveType(this ITypeSymbol type) 46public static bool Inherits([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? possibleBase) 71public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type, Func<INamedTypeSymbol, bool>? takeWhilePredicate = null) 82public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol type) 84ITypeSymbol current = type; 92public static bool DerivesFrom([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol, [NotNullWhen(returnValue: true)] ITypeSymbol? candidateBaseType, bool baseTypesOnly = false, bool checkTypeParameterConstraints = true) 101var allInterfaces = symbol.AllInterfaces.OfType<ITypeSymbol>(); 117foreach (var constraintType in typeParameterSymbol.ConstraintTypes) 143public static bool IsDisposable(this ITypeSymbol type, 168static bool IsInterfaceOrImplementsInterface(ITypeSymbol type, INamedTypeSymbol? interfaceType) 278public static bool IsAttribute(this ITypeSymbol symbol) 296public static bool HasValueCopySemantics(this ITypeSymbol typeSymbol) 300public static bool CanHoldNullValue([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 306public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 309public static bool IsNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 312public static bool IsReferenceTypeOrNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 315public static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 318public static ITypeSymbol? GetNullableValueTypeUnderlyingType(this ITypeSymbol? typeSymbol) 322public static ITypeSymbol? GetUnderlyingValueTupleTypeOrThis(this ITypeSymbol? typeSymbol) 335public static bool HasAnyCollectionCountProperty([NotNullWhen(returnValue: true)] this ITypeSymbol? invocationTarget, WellKnownTypeProvider wellKnownTypeProvider) 382bool isAnySupportedCollectionType(ITypeSymbol type)

56throwOperation.GetThrownExceptionType() is ITypeSymbol createdExceptionType)

28public ITypeSymbol? Type => WrappedOperation.Type;

53public ITypeSymbol? Type => WrappedOperation.Type;

27public ITypeSymbol? Type => WrappedOperation.Type;

13/// <see cref="IComparer{T}"/> for <see cref="ITypeSymbol"/>s sorted by display strings. 16internal sealed class SymbolByDisplayStringComparer : IComparer<ITypeSymbol> 49public int Compare([AllowNull] ITypeSymbol x, [AllowNull] ITypeSymbol y)

201internal bool IsTaskOfType([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol, bool> typeArgumentPredicate)

66GetCSharpExpectedDiagnostic(19, 29, violatingTypeName: typeof(ITypeSymbol).FullName), 119GetBasicExpectedDiagnostic(19, 35, violatingTypeName: typeof(ITypeSymbol).FullName),

51ITypeSymbol coupledType) 351private static void AddCoupledNamedTypesCore(ImmutableHashSet<INamedTypeSymbol>.Builder builder, ITypeSymbol typeOpt, 365foreach (var type in usedType.TypeArguments)

113public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, params ITypeSymbol[] expectedParameterTypesInOrder) 122var parameterType = member.Parameters[i].Type; 158var parameterType = member.Parameters[i].Type; 190public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, IReadOnlyList<ITypeSymbol> expectedParameterTypesInOrder)

153public static bool IsImplementationOfInterfaceMethod(this IMethodSymbol method, ITypeSymbol? typeArgument, [NotNullWhen(returnValue: true)] INamedTypeSymbol? interfaceType, string interfaceMethodName) 772var returnType = method.ReturnType?.OriginalDefinition;

30public static ITypeSymbol? GetReceiverType(this IInvocationOperation invocation, Compilation compilation, bool beforeConversion, CancellationToken cancellationToken) 56private static ITypeSymbol? GetReceiverType(SyntaxNode receiverSyntax, Compilation compilation, CancellationToken cancellationToken) 114private static bool HasConstantValue(Optional<object?> constantValue, ITypeSymbol constantValueType, ulong comparand) 124public static ITypeSymbol? GetElementType(this IArrayCreationOperation? arrayCreation) 567public static ITypeSymbol? GetPatternType(this IPatternOperation pattern) 642public static ITypeSymbol? GetInstanceType(this IOperation operation) 764public static ITypeSymbol? GetThrownExceptionType(this IThrowOperation operation)

22return symbol is ITypeSymbol typeSymbol && typeSymbol.IsType; 93symbol is ITypeSymbol typeSymbol && 394var type1 = parameter1.Type.OriginalDefinition; 395var type2 = parameter2.Type.OriginalDefinition; 586public static ITypeSymbol? GetMemberOrLocalOrParameterType(this ISymbol symbol) 598public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 735public static bool HasDerivedTypeAttribute(this ITypeSymbol symbol, [NotNullWhen(returnValue: true)] INamedTypeSymbol? attribute) 862ITypeSymbol type => type.IsReadOnly,

19[NotNullWhen(returnValue: true)] this ITypeSymbol? fromSymbol, 20[NotNullWhen(returnValue: true)] ITypeSymbol? toSymbol, 25public static bool IsPrimitiveType(this ITypeSymbol type) 46public static bool Inherits([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? possibleBase) 71public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type, Func<INamedTypeSymbol, bool>? takeWhilePredicate = null) 82public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol type) 84ITypeSymbol current = type; 92public static bool DerivesFrom([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol, [NotNullWhen(returnValue: true)] ITypeSymbol? candidateBaseType, bool baseTypesOnly = false, bool checkTypeParameterConstraints = true) 101var allInterfaces = symbol.AllInterfaces.OfType<ITypeSymbol>(); 117foreach (var constraintType in typeParameterSymbol.ConstraintTypes) 143public static bool IsDisposable(this ITypeSymbol type, 168static bool IsInterfaceOrImplementsInterface(ITypeSymbol type, INamedTypeSymbol? interfaceType) 278public static bool IsAttribute(this ITypeSymbol symbol) 296public static bool HasValueCopySemantics(this ITypeSymbol typeSymbol) 300public static bool CanHoldNullValue([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 306public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 309public static bool IsNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 312public static bool IsReferenceTypeOrNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 315public static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 318public static ITypeSymbol? GetNullableValueTypeUnderlyingType(this ITypeSymbol? typeSymbol) 322public static ITypeSymbol? GetUnderlyingValueTupleTypeOrThis(this ITypeSymbol? typeSymbol) 335public static bool HasAnyCollectionCountProperty([NotNullWhen(returnValue: true)] this ITypeSymbol? invocationTarget, WellKnownTypeProvider wellKnownTypeProvider) 382bool isAnySupportedCollectionType(ITypeSymbol type)

56throwOperation.GetThrownExceptionType() is ITypeSymbol createdExceptionType)

28public ITypeSymbol? Type => WrappedOperation.Type;

53public ITypeSymbol? Type => WrappedOperation.Type;

27public ITypeSymbol? Type => WrappedOperation.Type;

13/// <see cref="IComparer{T}"/> for <see cref="ITypeSymbol"/>s sorted by display strings. 16internal sealed class SymbolByDisplayStringComparer : IComparer<ITypeSymbol> 49public int Compare([AllowNull] ITypeSymbol x, [AllowNull] ITypeSymbol y)

201internal bool IsTaskOfType([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol, bool> typeArgumentPredicate)

33internal static ITypeSymbol? GetEnclosingRegionExceptionType(this BasicBlock basicBlock)

97protected override CopyAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) => CopyAbstractValue.NotApplicable; 627private static bool FlowConversionOperandValue(ConversionInference inference, ITypeSymbol? targetType)

76isDisposableTypeNotRequiringToBeDisposed: (ITypeSymbol typeSymbol) => 96Func<ITypeSymbol, bool> isDisposableTypeNotRequiringToBeDisposed,

58protected override DisposeAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) => DisposeAbstractValue.NotDisposable; 87var instanceType = creation.Type; 150protected override void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, DisposeAbstractValue value)

44Func<ITypeSymbol, bool> isDisposableTypeNotRequiringToBeDisposed) 80Func<ITypeSymbol, bool> isDisposableTypeNotRequiringToBeDisposed) 112internal Func<ITypeSymbol, bool> IsDisposableTypeNotRequiringToBeDisposed { get; }

112public static Func<ITypeSymbol?, bool> GetIsDisposableDelegate(Compilation compilation) 169public bool IsDisposableTypeNotRequiringToBeDisposed(ITypeSymbol typeSymbol) => 219public bool IsDisposable([NotNullWhen(returnValue: true)] ITypeSymbol? type)

58protected sealed override GlobalFlowStateAnalysisValueSet GetAbstractDefaultValue(ITypeSymbol? type)

53protected override ParameterValidationAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) => ValueDomain.Bottom; 110protected override void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, ParameterValidationAbstractValue value)

22private readonly Func<ITypeSymbol?, bool> _isDisposable; 27Func<ITypeSymbol?, bool> isDisposable)

94internal static bool ShouldBeTracked([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol?, bool> isDisposable) 98internal static bool ShouldBeTracked(AnalysisEntity analysisEntity, PointsToAnalysisKind pointsToAnalysisKind, Func<ITypeSymbol?, bool> isDisposable)

18public PointsToAnalysisDomain(DefaultPointsToValueGenerator defaultPointsToValueGenerator, Func<ITypeSymbol?, bool> isDisposable) 28Func<ITypeSymbol?, bool> isDisposable)

169protected override PointsToAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) => !PointsToAnalysis.ShouldBeTracked(type, IsDisposable) ? PointsToAbstractValue.NoLocation : PointsToAbstractValue.NullLocation; 437ITypeSymbol targetType, 443Func<ITypeSymbol?, bool> isDisposable, 503ITypeSymbol targetType, 738protected override void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, PointsToAbstractValue value) 1050private NullAbstractValue GetNullStateBasedOnInstanceOrReferenceValue(IOperation? referenceOrInstance, ITypeSymbol? operationType, NullAbstractValue defaultValue) 1251public override PointsToAbstractValue ComputeValueForCompoundAssignment(ICompoundAssignmentOperation operation, PointsToAbstractValue targetValue, PointsToAbstractValue assignedValue, ITypeSymbol? targetType, ITypeSymbol? assignedValueType)

20private readonly Func<ITypeSymbol?, bool> _isDisposable; 22internal PointsToAnalysisData(Func<ITypeSymbol?, bool> isDisposable) 27internal PointsToAnalysisData(IDictionary<AnalysisEntity, PointsToAbstractValue> fromData, Func<ITypeSymbol?, bool> isDisposable) 41Func<ITypeSymbol?, bool> isDisposable) 122internal static void AssertValidPointsToAnalysisData(IDictionary<AnalysisEntity, PointsToAbstractValue> map, Func<ITypeSymbol?, bool> isDisposable) 139Func<ITypeSymbol?, bool> isDisposable)

90protected override PropertySetAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) => ValueDomain.Bottom; 133protected override void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, PropertySetAbstractValue value) 531ITypeSymbol? argumentTypeSymbol = value is IConversionOperation conversionOperation ? conversionOperation.Operand.Type : value.Type;

66protected override TaintedDataAbstractValue GetAbstractDefaultValue(ITypeSymbol? type)

16/// Mapping of <see cref="ITypeSymbol"/> to <see cref="ITaintedDataInfo"/> (tainted data source/sanitizer/sink info). 45ImmutableDictionary<ITypeSymbol, TInfo>.Builder concreteInfosBuilder = ImmutableDictionary.CreateBuilder<ITypeSymbol, TInfo>(); 46ImmutableDictionary<ITypeSymbol, TInfo>.Builder interfaceInfosBuilder = ImmutableDictionary.CreateBuilder<ITypeSymbol, TInfo>(); 85private ImmutableDictionary<ITypeSymbol, TInfo> ConcreteInfos { get; } 90private ImmutableDictionary<ITypeSymbol, TInfo> InterfaceInfos { get; }

43internal static ValueContentAbstractValue Create(object literal, ITypeSymbol type) 120internal static bool IsSupportedType(ITypeSymbol type, [NotNullWhen(returnValue: true)] out ITypeSymbol? valueTypeSymbol) 256ITypeSymbol? leftType, 257ITypeSymbol? rightType, 258ITypeSymbol? resultType) 289private static bool TryMerge(object? value1, object? value2, BinaryOperatorKind binaryOperatorKind, ITypeSymbol? type1, ITypeSymbol? type2, ITypeSymbol? resultType, [NotNullWhen(returnValue: true)] out object? result)

67protected override ValueContentAbstractValue GetAbstractDefaultValue(ITypeSymbol? type) 194if (ValueContentAbstractValue.IsSupportedType(operation.Type, out var valueTypeSymbol)) 235ITypeSymbol? targetType, 236ITypeSymbol? assignedValueType)

22/// 1. An allocation or an object creation operation (<see cref="CreateAllocationLocation(IOperation, ITypeSymbol, PointsToAnalysisContext)"/>). 26/// See <see cref="CreateFlowCaptureLocation(InterproceduralCaptureId, ITypeSymbol, ImmutableStack{IOperation})"/> 35private AbstractLocation(IOperation? creation, ImmutableStack<IOperation>? creationCallStack, AnalysisEntity? analysisEntity, ISymbol? symbol, InterproceduralCaptureId? captureId, ITypeSymbol? locationType, bool isSpecialSingleton) 48private static AbstractLocation Create(IOperation? creation, ImmutableStack<IOperation>? creationCallStack, AnalysisEntity? analysisEntity, ISymbol? symbol, InterproceduralCaptureId? captureId, ITypeSymbol? locationType) 56public static AbstractLocation CreateAllocationLocation(IOperation creation, ITypeSymbol locationType, PointsToAnalysisContext analysisContext) 58internal static AbstractLocation CreateAllocationLocation(IOperation creation, ITypeSymbol locationType, ImmutableStack<IOperation>? callStack) 66public static AbstractLocation CreateFlowCaptureLocation(InterproceduralCaptureId captureId, ITypeSymbol locationType, ImmutableStack<IOperation>? creationCallStack) 89public ITypeSymbol? LocationType { get; }

44ITypeSymbol type, 69private AnalysisEntity(ISymbol? symbol, ImmutableArray<AbstractIndex> indices, PointsToAbstractValue location, ITypeSymbol type, AnalysisEntity? parent, AnalysisEntity? entityForInstanceLocation) 82private AnalysisEntity(InterproceduralCaptureId captureId, ITypeSymbol capturedType, PointsToAbstractValue location) 95ITypeSymbol type, PointsToAbstractValue instanceLocation, AnalysisEntity? parent, AnalysisEntity? entityForInstanceLocation) 111ITypeSymbol type, 202public ITypeSymbol Type { get; }

210protected override void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, TAbstractAnalysisValue value) 315protected virtual TAbstractAnalysisValue GetDefaultValueForParameterOnExit(ITypeSymbol parameterType) => ValueDomain.UnknownOrMayBeValue;

135ITypeSymbol? type = operation.Type; 316var type = symbol.GetMemberOrLocalOrParameterType(); 346var underlyingValueTupleType = tupleType.GetUnderlyingValueTupleTypeOrThis()!; 396public bool TryCreateForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, [NotNullWhen(returnValue: true)] out AnalysisEntity? analysisEntity) 412private AnalysisEntity GetOrCreateForFlowCapture(CaptureId captureId, ITypeSymbol? type, IOperation flowCaptureOrReference, bool isLValueFlowCapture) 439ITypeSymbol type, IOperation? instance, [NotNullWhen(returnValue: true)] out AnalysisEntity? analysisEntity) 553private AnalysisEntity Create(ISymbol? symbol, ImmutableArray<AbstractIndex> indices, ITypeSymbol type, PointsToAbstractValue? instanceLocation, AnalysisEntity? parent, AnalysisEntity? entityForInstanceLocation)

30ITypeSymbol? targetType, 31ITypeSymbol? sourceType,

129protected abstract TAbstractAnalysisValue GetAbstractDefaultValue(ITypeSymbol? type); 725var thrownExceptionType = branch.BranchValue?.Type ?? CurrentBasicBlock.GetEnclosingRegionExceptionType(); 1240var targetType = operation.Pattern.GetPatternType(); 1246ITypeSymbol? targetType, 1347static bool IsInterfaceOrTypeParameter(ITypeSymbol? type) => type?.TypeKind is TypeKind.Interface or TypeKind.TypeParameter; 1854var leftType = operation.LeftOperand.Type; 1856var rightType = operation.RightOperand.Type; 1944protected abstract void SetAbstractValueForArrayElementInitializer(IArrayCreationOperation arrayCreation, ImmutableArray<AbstractIndex> indices, ITypeSymbol elementType, IOperation initializer, TAbstractAnalysisValue value); 2853ITypeSymbol? targetType, 2854ITypeSymbol? assignedValueType) 2899var elementType = ((IArrayTypeSymbol)arrayCreation.Type!).ElementType; 3757private void MergeAnalysisDataFromUnhandledThrowOperations(ITypeSymbol? caughtExceptionType) 4220private protected bool IsDisposable([NotNullWhen(returnValue: true)] ITypeSymbol? type)

51ITypeSymbol coupledType) 351private static void AddCoupledNamedTypesCore(ImmutableHashSet<INamedTypeSymbol>.Builder builder, ITypeSymbol typeOpt, 365foreach (var type in usedType.TypeArguments)

113public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, params ITypeSymbol[] expectedParameterTypesInOrder) 122var parameterType = member.Parameters[i].Type; 158var parameterType = member.Parameters[i].Type; 190public static IMethodSymbol? GetFirstOrDefaultMemberWithParameterTypes(this IEnumerable<IMethodSymbol>? members, IReadOnlyList<ITypeSymbol> expectedParameterTypesInOrder)

153public static bool IsImplementationOfInterfaceMethod(this IMethodSymbol method, ITypeSymbol? typeArgument, [NotNullWhen(returnValue: true)] INamedTypeSymbol? interfaceType, string interfaceMethodName) 772var returnType = method.ReturnType?.OriginalDefinition;

30public static ITypeSymbol? GetReceiverType(this IInvocationOperation invocation, Compilation compilation, bool beforeConversion, CancellationToken cancellationToken) 56private static ITypeSymbol? GetReceiverType(SyntaxNode receiverSyntax, Compilation compilation, CancellationToken cancellationToken) 114private static bool HasConstantValue(Optional<object?> constantValue, ITypeSymbol constantValueType, ulong comparand) 124public static ITypeSymbol? GetElementType(this IArrayCreationOperation? arrayCreation) 567public static ITypeSymbol? GetPatternType(this IPatternOperation pattern) 642public static ITypeSymbol? GetInstanceType(this IOperation operation) 764public static ITypeSymbol? GetThrownExceptionType(this IThrowOperation operation)

22return symbol is ITypeSymbol typeSymbol && typeSymbol.IsType; 93symbol is ITypeSymbol typeSymbol && 394var type1 = parameter1.Type.OriginalDefinition; 395var type2 = parameter2.Type.OriginalDefinition; 586public static ITypeSymbol? GetMemberOrLocalOrParameterType(this ISymbol symbol) 598public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 735public static bool HasDerivedTypeAttribute(this ITypeSymbol symbol, [NotNullWhen(returnValue: true)] INamedTypeSymbol? attribute) 862ITypeSymbol type => type.IsReadOnly,

19[NotNullWhen(returnValue: true)] this ITypeSymbol? fromSymbol, 20[NotNullWhen(returnValue: true)] ITypeSymbol? toSymbol, 25public static bool IsPrimitiveType(this ITypeSymbol type) 46public static bool Inherits([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? possibleBase) 71public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol type, Func<INamedTypeSymbol, bool>? takeWhilePredicate = null) 82public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol type) 84ITypeSymbol current = type; 92public static bool DerivesFrom([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol, [NotNullWhen(returnValue: true)] ITypeSymbol? candidateBaseType, bool baseTypesOnly = false, bool checkTypeParameterConstraints = true) 101var allInterfaces = symbol.AllInterfaces.OfType<ITypeSymbol>(); 117foreach (var constraintType in typeParameterSymbol.ConstraintTypes) 143public static bool IsDisposable(this ITypeSymbol type, 168static bool IsInterfaceOrImplementsInterface(ITypeSymbol type, INamedTypeSymbol? interfaceType) 278public static bool IsAttribute(this ITypeSymbol symbol) 296public static bool HasValueCopySemantics(this ITypeSymbol typeSymbol) 300public static bool CanHoldNullValue([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 306public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 309public static bool IsNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 312public static bool IsReferenceTypeOrNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 315public static bool IsNullableOfBoolean([NotNullWhen(returnValue: true)] this ITypeSymbol? typeSymbol) 318public static ITypeSymbol? GetNullableValueTypeUnderlyingType(this ITypeSymbol? typeSymbol) 322public static ITypeSymbol? GetUnderlyingValueTupleTypeOrThis(this ITypeSymbol? typeSymbol) 335public static bool HasAnyCollectionCountProperty([NotNullWhen(returnValue: true)] this ITypeSymbol? invocationTarget, WellKnownTypeProvider wellKnownTypeProvider) 382bool isAnySupportedCollectionType(ITypeSymbol type)

56throwOperation.GetThrownExceptionType() is ITypeSymbol createdExceptionType)

28public ITypeSymbol? Type => WrappedOperation.Type;

53public ITypeSymbol? Type => WrappedOperation.Type;

27public ITypeSymbol? Type => WrappedOperation.Type;

13/// <see cref="IComparer{T}"/> for <see cref="ITypeSymbol"/>s sorted by display strings. 16internal sealed class SymbolByDisplayStringComparer : IComparer<ITypeSymbol> 49public int Compare([AllowNull] ITypeSymbol x, [AllowNull] ITypeSymbol y)

201internal bool IsTaskOfType([NotNullWhen(returnValue: true)] ITypeSymbol? typeSymbol, Func<ITypeSymbol, bool> typeArgumentPredicate)

251bool VerifyType(Action<Diagnostic> reportDiagnostic, ITypeSymbol? type, SyntaxNode syntaxNode) 309bool VerifyTypeArguments(Action<Diagnostic> reportDiagnostic, ITypeSymbol? type, SyntaxNode syntaxNode, out ITypeSymbol? originalDefinition) 315foreach (var typeArgument in namedTypeSymbol.TypeArguments) 380if (symbol is ITypeSymbol typeSymbol) 396if (symbol is ITypeSymbol typeSymbol)

41protected abstract (CommonConversion conversion, ITypeSymbol? collectionElementType) GetForEachInfo(SemanticModel semanticModel, TForEachStatementSyntax node); 68variableDeclarator.Symbol.Type is not ITypeSymbol iterationType) 74var collectionType = semanticModel.GetTypeInfo(syntaxFacts.GetExpressionOfForeachStatement(node), cancellationToken).Type; 157private static bool IsStronglyTyped(ITypeSymbol collectionType, ITypeSymbol collectionElementType)

182if (symbol is ITypeSymbol typeSymbol && typeSymbol.DeclaringSyntaxReferences.Length > 1)

58var type = value.Type; 80private (bool missingCases, bool missingDefaultCase) AnalyzeSwitch(TSwitchOperation switchOperation, ITypeSymbol type) 82var typeWithoutNullable = type.RemoveNullableIfPresent(); 98private (bool missingCases, bool missingDefaultCase) AnalyzeBooleanSwitch(TSwitchOperation operation, ITypeSymbol type) 115private (bool missingCases, bool missingDefaultCase) AnalyzeEnumSwitch(TSwitchOperation operation, ITypeSymbol type)

19var switchExpressionType = switchExpression?.Type; 25switchExpressionType = switchExpressionType.IsNullable(out var underlyingType) ? underlyingType : switchExpressionType; 108var type = operation.Value.Type; 109var underlyingType = type.RemoveNullableIfPresent();

58var switchExpressionType = switchExpression?.Type; 66switchExpressionType = switchExpressionType.IsNullable(out var underlyingType) ? underlyingType : switchExpressionType; 152ITypeSymbol enumType, 185var type = operation.Value.Type; 186var underlyingType = type.RemoveNullableIfPresent();

85var leftType = leftOperand.Type; 86var rightType = rightOperand.Type;

61var compilerAnalyzerType = assembly.GetType(compilerAnalyzerTypeName)!;

292ITypeSymbol containingType,

143if (TryGetSymbolOfMemberAccess(invocation) is not ITypeSymbol targetTypeSymbol || 185ITypeSymbol? TryGetSymbolOfMemberAccess(IInvocationOperation invocation)

161var exprType = semanticModel.GetTypeInfo(initializer, cancellationToken).Type;

104var conditionType = semanticModel.GetTypeInfo(

197var type = this.SemanticModel.GetTypeInfo(_objectCreationExpression, cancellationToken).Type;

252var convertedType = this.SemanticModel.GetTypeInfo(SyntaxFacts.GetExpressionOfArgument(arguments[0]), cancellationToken).ConvertedType;

104static bool AreEqualOrHaveImplicitConversion(ITypeSymbol? firstType, ITypeSymbol? secondType, Compilation compilation)

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

155var whenPartType = semanticModel.GetTypeInfo(whenPartMatch, cancellationToken).Type; 159var type = semanticModel.GetTypeInfo(conditionalExpression, cancellationToken).Type; 375var typeSymbol = semanticModel.GetTypeInfo(type, cancellationToken).Type;

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

124var type = this.SemanticModel.GetTypeInfo(_objectCreationExpression, cancellationToken).Type; 177ITypeSymbol classOrStructType,

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

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)

36public static ImmutableArray<ITypeSymbol> GetAllTypeArguments(this INamedTypeSymbol? symbol) 665public static INamedTypeSymbol TryConstruct(this INamedTypeSymbol type, ITypeSymbol[] typeArguments)

224=> symbol is ITypeSymbol { TypeKind: TypeKind.Error }; 227=> symbol is ITypeSymbol { TypeKind: TypeKind.Module }; 230=> symbol is ITypeSymbol { TypeKind: TypeKind.Interface }; 236=> symbol is ITypeSymbol { IsTupleType: true }; 305=> symbol is ITypeSymbol { TypeKind: TypeKind.Delegate }; 336public static ITypeSymbol? GetMemberType(this ISymbol? symbol) 449public static ImmutableArray<ITypeSymbol> GetTypeArguments(this ISymbol? symbol) 457public static ImmutableArray<ITypeSymbol> GetAllTypeArguments(this ISymbol symbol) 459var results = ArrayBuilder<ITypeSymbol>.GetInstance(); 473=> (symbol as ITypeSymbol)?.IsAttribute() == true; 487public static ITypeSymbol ConvertToType( 492if (symbol is ITypeSymbol type) 561public static Accessibility ComputeResultantAccessibility(this ISymbol? symbol, ITypeSymbol finalDestination) 620public static ITypeSymbol? GetSymbolType(this ISymbol? symbol) 627IAliasSymbol aliasSymbol => aliasSymbol.Target as ITypeSymbol, 628_ => symbol as ITypeSymbol, 639ITypeSymbol? typeSymbol = null; 643typeSymbol = symbol as ITypeSymbol; 672var returnType = getAwaiter.ReturnType; 706var returnType = getEnumerator.ReturnType; 746var returnType = getAsyncEnumerator.ReturnType;

18ITypeSymbol? throughType = null) 40ITypeSymbol? throughType = null) 52ITypeSymbol? throughType = null) 65ITypeSymbol? throughType, 84ITypeSymbol? throughType, 188foreach (var typeArg in type.TypeArguments) 248ITypeSymbol? throughType, 333ITypeSymbol? throughType, 373var originalThroughType = throughType?.OriginalDefinition;

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

15private static INamedTypeSymbol? GetNamedTypeSymbol(ITypeSymbol type)

14private sealed class AnonymousTypeRemover(Compilation compilation) : SymbolVisitor<ITypeSymbol> 16public override ITypeSymbol DefaultVisit(ISymbol node) 19public override ITypeSymbol VisitDynamicType(IDynamicTypeSymbol symbol) 22public override ITypeSymbol VisitArrayType(IArrayTypeSymbol symbol) 33public override ITypeSymbol VisitFunctionPointerType(IFunctionPointerTypeSymbol symbol) 41public override ITypeSymbol VisitNamedType(INamedTypeSymbol symbol) 53public override ITypeSymbol VisitPointerType(IPointerTypeSymbol symbol) 64public override ITypeSymbol VisitTypeParameter(ITypeParameterSymbol symbol)

59foreach (var child in symbol.GetAllTypeArguments()) 88foreach (var constraint in symbol.ConstraintTypes)

11public ITypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank) 14public ITypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 17public ITypeSymbol Construct(INamedTypeSymbol namedType, ITypeSymbol[] typeArguments)

23public static bool IsIntegralType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 26public static bool IsSignedIntegralType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 29public static bool CanAddNullCheck([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 40public static IList<INamedTypeSymbol> GetAllInterfacesIncludingThis(this ITypeSymbol type) 56public static bool IsAbstractClass([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 59public static bool IsSystemVoid([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 62public static bool IsNullable([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 65public static bool IsNonNullableValueType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 69[NotNullWhen(true)] this ITypeSymbol? symbol, 70[NotNullWhen(true)] out ITypeSymbol? underlyingType) 82public static bool IsModuleType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 85public static bool IsInterfaceType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 88public static bool IsDelegateType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 91public static bool IsFunctionPointerType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 94public static bool IsStructType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 101this ITypeSymbol type, 115public static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(this ITypeSymbol? type) 117var current = type; 125public static IEnumerable<INamedTypeSymbol> GetBaseTypes(this ITypeSymbol? type) 135public static IEnumerable<ITypeSymbol> GetContainingTypesAndThis(this ITypeSymbol? type) 137var current = type; 145public static IEnumerable<INamedTypeSymbol> GetContainingTypes(this ITypeSymbol type) 158this ITypeSymbol type, ITypeSymbol baseType, bool includeInterfaces) 171this ITypeSymbol type, ITypeSymbol baseType) 179this ITypeSymbol type, ITypeSymbol baseType) 181var originalBaseType = baseType.OriginalDefinition; 189IEnumerable<ITypeSymbol> baseTypes = (baseType.TypeKind == TypeKind.Interface) ? type.AllInterfaces : type.GetBaseTypes(); 196this ITypeSymbol type, ITypeSymbol baseType) 198var originalBaseType = baseType.OriginalDefinition; 218this ITypeSymbol type, ITypeSymbol interfaceType) 220var originalInterfaceType = interfaceType.OriginalDefinition; 225this ITypeSymbol type, ITypeSymbol interfaceType) 230public static bool IsAttribute(this ITypeSymbol symbol) 248public static bool IsFormattableStringOrIFormattable([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 257this ITypeSymbol typeSymbol, bool allowDelegateAndEnumConstraints = false) 285public static bool IsNumericType([NotNullWhen(returnValue: true)] this ITypeSymbol? type) 311public static Accessibility DetermineMinimalAccessibility(this ITypeSymbol typeSymbol) 314public static bool ContainsAnonymousType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 330foreach (var typeArg in type.GetAllTypeArguments()) 339public static string CreateParameterName(this ITypeSymbol type, bool capitalize = false) 360private static string GetParameterName(ITypeSymbol? type) 373public static bool IsSpecialType([NotNullWhen(returnValue: true)] this ITypeSymbol? symbol) 404public static bool CanSupportCollectionInitializer(this ITypeSymbol typeSymbol, ISymbol within) 415public static INamedTypeSymbol? GetDelegateType(this ITypeSymbol? typeSymbol, Compilation compilation) 422var typeArgument = ((INamedTypeSymbol)typeSymbol).TypeArguments[0]; 435public static IEnumerable<T> GetAccessibleMembersInBaseTypes<T>(this ITypeSymbol containingType, ISymbol within) where T : class, ISymbol 444public static ImmutableArray<T> GetAccessibleMembersInThisAndBaseTypes<T>(this ITypeSymbol? containingType, ISymbol within) where T : class, ISymbol 454public static ImmutableArray<T> GetAccessibleMembersInThisAndBaseTypes<T>(this ITypeSymbol? containingType, string memberName, ISymbol within) where T : class, ISymbol 464public static bool? AreMoreSpecificThan(this IList<ITypeSymbol> t1, IList<ITypeSymbol> t2) 499public static IEnumerable<T> SelectAccessibleMembers<T>(this IEnumerable<ITypeSymbol>? types, ISymbol within) where T : class, ISymbol 509private static IEnumerable<T> SelectAccessibleMembers<T>(this IEnumerable<ITypeSymbol>? types, string memberName, ISymbol within) where T : class, ISymbol 519private static bool? IsMoreSpecificThan(this ITypeSymbol t1, ITypeSymbol t2) 598public static bool IsOrDerivesFromExceptionType([NotNullWhen(returnValue: true)] this ITypeSymbol? type, Compilation compilation) 605foreach (var baseType in type.GetBaseTypesAndThis()) 616foreach (var constraint in ((ITypeParameterSymbol)type).ConstraintTypes) 631public static bool IsEnumType([NotNullWhen(true)] this ITypeSymbol? type) 634public static bool IsEnumType([NotNullWhen(true)] this ITypeSymbol? type, [NotNullWhen(true)] out INamedTypeSymbol? enumType) 646public static bool? IsMutableValueType(this ITypeSymbol type) 648if (type.IsNullable(out var underlyingType)) 725public static bool IsDisposable([NotNullWhen(returnValue: true)] this ITypeSymbol? type, [NotNullWhen(returnValue: true)] ITypeSymbol? iDisposableType) 730public static ITypeSymbol WithNullableAnnotationFrom(this ITypeSymbol type, ITypeSymbol symbolForNullableAnnotation) 734public static ITypeSymbol? RemoveNullableIfPresent(this ITypeSymbol? symbol) 736if (symbol.IsNullable(out var underlyingType)) 744public static bool IsSpanOrReadOnlySpan([NotNullWhen(true)] this ITypeSymbol? type) 747public static bool IsSpan([NotNullWhen(true)] this ITypeSymbol? type) 763public static bool IsInlineArray([NotNullWhen(true)] this ITypeSymbol? type) 768public static ITypeSymbol? RemoveUnavailableTypeParameters( 769this ITypeSymbol? type, 777private static ITypeSymbol? RemoveUnavailableTypeParameters( 778this ITypeSymbol? type, 786public static ITypeSymbol? RemoveAnonymousTypes( 787this ITypeSymbol? type, 794public static ITypeSymbol? RemoveUnnamedErrorTypes( 795this ITypeSymbol? type, 802this ITypeSymbol? type, ArrayBuilder<ITypeParameterSymbol> result) 808this ITypeSymbol? type, ArrayBuilder<ITypeParameterSymbol> result) 814this ITypeSymbol? type, ArrayBuilder<ITypeParameterSymbol> result, bool onlyMethodTypeParameters) 823public static IList<ITypeParameterSymbol> GetReferencedTypeParameters(this ITypeSymbol? type) 831public static ITypeSymbol? SubstituteTypes<TType1, TType2>( 832this ITypeSymbol? type, 835where TType1 : ITypeSymbol 836where TType2 : ITypeSymbol 842public static ITypeSymbol? SubstituteTypes<TType1, TType2>( 843this ITypeSymbol? type, 846where TType1 : ITypeSymbol 847where TType2 : ITypeSymbol

52foreach (var arg in symbol.TypeArguments)

15private sealed class SubstituteTypesVisitor<TType1, TType2> : SymbolVisitor<ITypeSymbol> 16where TType1 : ITypeSymbol 17where TType2 : ITypeSymbol 31public override ITypeSymbol DefaultVisit(ISymbol node) 34private ITypeSymbol VisitType(ITypeSymbol symbol) 44public override ITypeSymbol VisitDynamicType(IDynamicTypeSymbol symbol) 47public override ITypeSymbol VisitTypeParameter(ITypeParameterSymbol symbol) 50public override ITypeSymbol VisitFunctionPointerType(IFunctionPointerTypeSymbol symbol) 57public override ITypeSymbol VisitNamedType(INamedTypeSymbol symbol) 59var mapped = VisitType(symbol); 78var updatedContainingType = symbol.ContainingType?.Accept(this); 95public override ITypeSymbol VisitArrayType(IArrayTypeSymbol symbol) 97var mapped = VisitType(symbol); 103var elementType = symbol.ElementType.Accept(this); 112public override ITypeSymbol VisitPointerType(IPointerTypeSymbol symbol) 114var mapped = VisitType(symbol); 120var pointedAtType = symbol.PointedAtType.Accept(this);

15private sealed class UnavailableTypeParameterRemover(Compilation compilation, ISet<string> availableTypeParameterNames) : SymbolVisitor<ITypeSymbol> 17public override ITypeSymbol DefaultVisit(ISymbol node) 20public override ITypeSymbol VisitDynamicType(IDynamicTypeSymbol symbol) 23public override ITypeSymbol VisitArrayType(IArrayTypeSymbol symbol) 34public override ITypeSymbol VisitFunctionPointerType(IFunctionPointerTypeSymbol symbol) 40public override ITypeSymbol VisitNamedType(INamedTypeSymbol symbol) 51public override ITypeSymbol VisitPointerType(IPointerTypeSymbol symbol) 62public override ITypeSymbol VisitTypeParameter(ITypeParameterSymbol symbol)

14private sealed class UnnamedErrorTypeRemover(Compilation compilation) : SymbolVisitor<ITypeSymbol> 16public override ITypeSymbol DefaultVisit(ISymbol node) 19public override ITypeSymbol VisitDynamicType(IDynamicTypeSymbol symbol) 22public override ITypeSymbol VisitArrayType(IArrayTypeSymbol symbol) 33public override ITypeSymbol VisitFunctionPointerType(IFunctionPointerTypeSymbol symbol) 39public override ITypeSymbol VisitNamedType(INamedTypeSymbol symbol) 55public override ITypeSymbol VisitPointerType(IPointerTypeSymbol symbol) 66public override ITypeSymbol VisitTypeParameter(ITypeParameterSymbol symbol)

137public static string GenerateNameFromType(this SemanticModel semanticModel, ITypeSymbol type, ISyntaxFacts syntaxFacts, bool capitalize) 168private static bool ShouldPluralize(this SemanticModel semanticModel, ITypeSymbol type) 183ImmutableArray<ITypeSymbol> typeArguments, 218public static ITypeSymbol GetType(

367SymbolCategory.Type => symbol is ITypeSymbol type && type.TypeKind == (TypeKind)_kind,

12ITypeSymbol? elementType) 18public readonly ITypeSymbol? ElementType = elementType;

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

40using var propertyTypes = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

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

28using var parameterTypes = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 45var returnTypeSymbol = (ITypeSymbol?)returnType.GetAnySymbol();

44visitor.WriteSymbolKeyArray(ImmutableArray<ITypeSymbol>.Empty); 72using var typeArguments = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

56using var parameterTypes = reader.ReadSymbolKeyArray<IFunctionPointerTypeSymbol, ITypeSymbol>( 76if (returnType.GetAnySymbol() is not ITypeSymbol returnTypeSymbol)

44foreach (var receiverType in receiverTypeResolution.OfType<ITypeSymbol>()) 70using var typeArguments = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 223_ = reader.ReadSymbolKeyArray<IMethodSymbol, ITypeSymbol>( 246var returnType = (ITypeSymbol?)reader.ReadSymbolKey(contextualSymbol: method.ReturnType, out _).GetAnySymbol();

44using var typeArguments = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>( 91ITypeSymbol[] typeArgumentsArray, 142ITypeSymbol[] typeArguments, 196private static INamedTypeSymbol Construct(INamedTypeSymbol type, bool isUnboundGenericType, ITypeSymbol[] typeArguments)

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

71_ = reader.ReadSymbolKeyArray<IPropertySymbol, ITypeSymbol>(

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

96using var elementTypes = reader.ReadSymbolKeyArray<INamedTypeSymbol, ITypeSymbol>(

104protected abstract TConversion ClassifyConversion(SemanticModel model, TExpressionSyntax expression, ITypeSymbol targetType); 105protected abstract TConversion ClassifyConversion(SemanticModel model, ITypeSymbol originalType, ITypeSymbol targetType); 107protected abstract bool ConversionsAreCompatible(TExpressionSyntax originalExpression, ITypeSymbol originalTargetType, TExpressionSyntax newExpression, ITypeSymbol newTargetType); 108protected abstract bool IsReferenceConversion(Compilation model, ITypeSymbol sourceType, ITypeSymbol targetType); 114SemanticModel model, TForEachStatementSyntax forEach, out IMethodSymbol getEnumeratorMethod, out ITypeSymbol elementType, out ImmutableArray<ILocalSymbol> localVariables); 304private bool ImplicitConversionsAreCompatible(TExpressionSyntax originalExpression, ITypeSymbol originalTargetType, TExpressionSyntax newExpression, ITypeSymbol newTargetType) 739var previousOriginalType = this.OriginalSemanticModel.GetTypeInfo(previousOriginalNode).Type; 740var previousReplacedType = this.SpeculativeSemanticModel.GetTypeInfo(previousReplacedNode).Type; 779GetForEachSymbols(this.OriginalSemanticModel, forEachStatement, out var originalGetEnumerator, out var originalElementType, out var originalLocalVariables); 780GetForEachSymbols(this.SpeculativeSemanticModel, newForEachStatement, out var newGetEnumerator, out var newElementType, out var newLocalVariables); 825var expressionType = this.SpeculativeSemanticModel.GetTypeInfo(newForEachStatementExpression, CancellationToken).ConvertedType; 848var originalThrowExpressionType = this.OriginalSemanticModel.GetTypeInfo(originalThrowExpression).Type; 850var newThrowExpressionType = this.SpeculativeSemanticModel.GetTypeInfo(newThrowExpression).Type; 960var originalTargetType = this.OriginalSemanticModel.GetTypeInfo(originalLeft).Type; 963var newTargetType = this.SpeculativeSemanticModel.GetTypeInfo(newLeft).Type; 996var newReceiverType = newReceiver != null 1035var receiverType = semanticModel.GetTypeInfo(receiver).Type; 1195ITypeSymbol originalTargetType, 1197ITypeSymbol newTargetType, 1212var originalConvertedTypeSymbol = this.OriginalSemanticModel.GetTypeInfo(originalExpression).ConvertedType; 1218var newConvertedTypeSymbol = this.SpeculativeSemanticModel.GetTypeInfo(newExpression).ConvertedType;

26private IEqualityComparer<ITypeSymbol> SignatureTypeEquivalenceComparer => _symbolEquivalenceComparer.SignatureTypeEquivalenceComparer;

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

93private bool NullableAnnotationsEquivalent(ITypeSymbol x, ITypeSymbol y) 491private bool TypeArgumentsAreEquivalent(ImmutableArray<ITypeSymbol> xTypeArguments, ImmutableArray<ITypeSymbol> yTypeArguments, Dictionary<INamedTypeSymbol, INamedTypeSymbol>? equivalentTypesWithDifferingAssemblies)

47return Hash.Combine(GetNullableAnnotationsHashCode((ITypeSymbol)x), Hash.Combine(typeof(IDynamicTypeSymbol), currentHash)); 53private int GetNullableAnnotationsHashCode(ITypeSymbol type)

11internal sealed class SignatureTypeSymbolEquivalenceComparer(SymbolEquivalenceComparer symbolEquivalenceComparer) : IEqualityComparer<ITypeSymbol?> 13public bool Equals(ITypeSymbol? x, ITypeSymbol? y) 16public bool Equals(ITypeSymbol? x, ITypeSymbol? y, Dictionary<INamedTypeSymbol, INamedTypeSymbol>? equivalentTypesWithDifferingAssemblies) 19public int GetHashCode(ITypeSymbol? x)

30protected abstract TExpressionSyntax Cast(TExpressionSyntax expression, ITypeSymbol type); 48protected ImmutableArray<(TExpressionSyntax node, ITypeSymbol type)> GetPotentialTargetTypes( 52using var _ = ArrayBuilder<(TExpressionSyntax node, ITypeSymbol type)>.GetInstance(out var candidates); 63ArrayBuilder<(TExpressionSyntax node, ITypeSymbol type)> candidates, 120ITypeSymbol conversionType, 143var castType = semanticModel.GetTypeInfo(castTypeNode, cancellationToken).Type; 161protected virtual (SyntaxNode finalTarget, SyntaxNode finalReplacement) Cast(SemanticModel semanticModel, TExpressionSyntax targetNode, ITypeSymbol conversionType) 164private static string GetSubItemName(SemanticModel semanticModel, int position, ITypeSymbol conversionType) 171private static ImmutableArray<(TExpressionSyntax, ITypeSymbol)> FilterValidPotentialConversionTypes( 174ArrayBuilder<(TExpressionSyntax node, ITypeSymbol type)> candidates) 179using var _ = ArrayBuilder<(TExpressionSyntax, ITypeSymbol)>.GetInstance(candidates.Count, out var validPotentialConversionTypes);

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

34: IComparer<(TExpressionSyntax syntax, ITypeSymbol symbol)> 39public int Compare((TExpressionSyntax syntax, ITypeSymbol symbol) x, 40(TExpressionSyntax syntax, ITypeSymbol symbol) y) 49var baseType = _semanticModel.GetTypeInfo(x.syntax).Type; 59private static int GetInheritanceDistanceRecursive(ITypeSymbol baseType, ITypeSymbol? derivedType) 83private int GetInheritanceDistance(ITypeSymbol? baseType, ITypeSymbol castType)

46protected abstract ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken); 401private async Task<(ITypeSymbol, RefKind)> GetArgumentTypeAndRefKindAsync(Document invocationDocument, TArgumentSyntax argument, CancellationToken cancellationToken) 405var argumentType = GetArgumentType(argument, semanticModel, cancellationToken); 536Compilation compilation, TypeInfo argumentTypeInfo, ITypeSymbol parameterType,

80ITypeSymbol newParameterType, 227ITypeSymbol parameterType,

24protected abstract string GetTextPreviewOfChange(string aliasName, ITypeSymbol typeSymbol); 52foreach (var symbol in Sort(symbolInfo.CandidateSymbols.Cast<ITypeSymbol>(), placementOption.PlaceSystemNamespaceFirst)) 76private static IEnumerable<ITypeSymbol> Sort(IEnumerable<ITypeSymbol> types, bool sortSystemFirst) 80var typeToNameSegments = new Dictionary<ITypeSymbol, ImmutableArray<string>>(); 106ImmutableArray<string> GetNameSegments(ITypeSymbol symbol)

23protected abstract ITypeSymbol GetForEachElementType(SemanticModel semanticModel, TForEachStatementSyntax forEachStatement); 71var elementType = GetForEachElementType(semanticModel, forEachStatement); 86ITypeSymbol iterationVariableType,

38protected abstract ITypeSymbol GetArgumentType(SemanticModel semanticModel, Argument<TExpressionSyntax> argument, CancellationToken cancellationToken); 41protected abstract bool IsConversionImplicit(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType);

47public ImmutableArray<ITypeSymbol> ParameterTypes; 282internal ImmutableArray<ITypeSymbol> GetParameterTypes(CancellationToken cancellationToken) 291private static ITypeSymbol FixType(ITypeSymbol typeSymbol, SemanticModel semanticModel, IEnumerable<ITypeParameterSymbol> allTypeParameters) 365private static bool IsValidAttributeParameterType(ITypeSymbol type)

138ImmutableArray<ITypeSymbol> parameterTypes, 160var parameterType = parameterTypes[i]; 181ITypeSymbol parameterType, 346ITypeSymbol parameterType, 375private static bool IsConversionImplicit(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType)

26protected abstract ITypeSymbol? DetermineReturnTypeForSimpleNameOrMemberAccessExpression(ITypeInferenceService typeInferenceService, SemanticModel semanticModel, TExpressionSyntax expression, CancellationToken cancellationToken);

180var expressionType = service.DetermineReturnTypeForSimpleNameOrMemberAccessExpression(typeInference, semanticModel, SimpleNameOrMemberAccessExpression, cancellationToken); 247ITypeSymbol expressionType)

81private List<ITypeSymbol> MergeClassTypes(List<ITypeSymbol> classTypes) 87var type1 = classTypes[i]; 94var type2 = classTypes[j]; 111protected abstract bool IsImplicitReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType);

22protected override ITypeSymbol DetermineReturnTypeWorker(CancellationToken cancellationToken) 37protected override ImmutableArray<ITypeSymbol> DetermineParameterTypes(CancellationToken cancellationToken) 45protected override ImmutableArray<ITypeSymbol> DetermineTypeArguments(CancellationToken cancellationToken)

39private IDictionary<ITypeSymbol, ITypeParameterSymbol> _typeArgumentToTypeParameterMap; 51public ValueTask<ITypeSymbol> DetermineReturnTypeAsync(CancellationToken cancellationToken) 53var type = DetermineReturnTypeWorker(cancellationToken); 62protected abstract ImmutableArray<ITypeSymbol> DetermineTypeArguments(CancellationToken cancellationToken); 63protected abstract ITypeSymbol DetermineReturnTypeWorker(CancellationToken cancellationToken); 65protected abstract ImmutableArray<ITypeSymbol> DetermineParameterTypes(CancellationToken cancellationToken); 101var returnType = await DetermineReturnTypeAsync(cancellationToken).ConfigureAwait(false); 143private async ValueTask<ITypeSymbol> FixTypeAsync( 144ITypeSymbol typeSymbol, 166private IDictionary<ITypeSymbol, ITypeParameterSymbol> GetTypeArgumentToTypeParameterMap( 172private IDictionary<ITypeSymbol, ITypeParameterSymbol> CreateTypeArgumentToTypeParameterMap( 182var result = new Dictionary<ITypeSymbol, ITypeParameterSymbol>(SymbolEqualityComparer.Default);

19private static async ValueTask<ITypeSymbol> ReplaceTypeParametersBasedOnTypeConstraintsAsync( 21ITypeSymbol type, 36public readonly Dictionary<ITypeSymbol, ITypeSymbol> Substitutions = []; 50foreach (var typeArg in symbol.TypeArguments) 78var commonDerivedType = await DetermineCommonDerivedTypeAsync(symbol).ConfigureAwait(false); 83private async ValueTask<ITypeSymbol?> DetermineCommonDerivedTypeAsync(ITypeParameterSymbol symbol) 112var substitutedType = await ReplaceTypeParametersBasedOnTypeConstraintsAsync(

30protected abstract bool TryConvertToLocalDeclaration(ITypeSymbol type, SyntaxToken identifierToken, SemanticModel semanticModel, CancellationToken cancellationToken, out SyntaxNode newRoot);

44public ITypeSymbol TypeMemberType { get; private set; } 45public ITypeSymbol LocalType { get; private set; } 429var inferredType = typeInference.InferType(

301private static bool InheritsFromOrEquals(ITypeSymbol type, ITypeSymbol baseType) 304private static IEnumerable<ITypeSymbol> GetBaseTypesAndThis(ITypeSymbol? type) 306var current = type;

21Func<ITypeSymbol, bool> includeMemberType, 158foreach (var typeArg in methodSymbol.TypeArguments) 174private static bool IsTypeLessAccessibleThanOtherType(ITypeSymbol? first, INamedTypeSymbol second, HashSet<ITypeSymbol> alreadyCheckingTypes) 183foreach (var constraint in typeParameter.ConstraintTypes) 204foreach (var genericParam in namedType.TypeArguments)

25protected abstract bool IsAsyncReturnType(ITypeSymbol type, KnownTaskTypes knownTypes);

38protected abstract ITypeSymbol GetSwitchType(TSwitchOperation switchStatement); 163var enumType = GetSwitchType(switchOperation);

42protected sealed override ITypeSymbol GetSwitchType(ISwitchExpressionOperation switchExpression)

59protected sealed override ITypeSymbol GetSwitchType(ISwitchOperation switchOperation)

108private static bool ShouldOfferFix(ITypeSymbol returnType, KnownTaskTypes knownTypes) 113private static bool IsTaskType(ITypeSymbol returnType, KnownTaskTypes knownTypes) 122ITypeSymbol returnType, 185ITypeSymbol returnType, 214private static SyntaxNode GetReturnTaskCompletedTaskStatement(SyntaxGenerator generator, ITypeSymbol returnType, KnownTaskTypes knownTypes) 231private static SyntaxNode WrapExpressionWithTaskFromResult(SyntaxGenerator generator, SyntaxNode expression, ITypeSymbol returnType, KnownTaskTypes knownTypes)

601var type = semanticModel.GetTypeInfo(node, cancellationToken).Type; 686TLocalDeclarationStatementSyntax CreateLocalDeclarationStatement(ITypeSymbol type, string name)

27protected virtual ITypeSymbol? TryGetExplicitCast(

112public TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode 139public abstract TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, TCodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode;

83public static bool IsSpecialType([NotNullWhen(true)] ITypeSymbol? type, SpecialType specialType) 133public static bool TypesMatch(ITypeSymbol? type, object value)

35DeclarationModifiers modifiers, ITypeSymbol type, 52ITypeSymbol type, 84ITypeSymbol type, RefKind refKind, ImmutableArray<IPropertySymbol> explicitInterfaceImplementations, string name, 111ITypeSymbol type, string name, 157ITypeSymbol? returnType, 179ITypeSymbol? returnType, 200ITypeSymbol returnType, 225ITypeSymbol toType, 253ITypeSymbol toType, 269public static IParameterSymbol CreateParameterSymbol(ITypeSymbol type, string name) 272public static IParameterSymbol CreateParameterSymbol(RefKind refKind, ITypeSymbol type, string name) 282ImmutableArray<AttributeData> attributes, RefKind refKind, bool isParams, ITypeSymbol type, string name, bool isOptional = false, bool hasDefaultValue = false, object? defaultValue = null) 295ITypeSymbol? type = null, 336ImmutableArray<ITypeSymbol> constraintTypes, 352public static IPointerTypeSymbol CreatePointerTypeSymbol(ITypeSymbol pointedAtType) 358public static IArrayTypeSymbol CreateArrayTypeSymbol(ITypeSymbol elementType, int rank = 1, NullableAnnotation nullableAnnotation = NullableAnnotation.None) 468ITypeSymbol returnType, 525ITypeSymbol? returnType = null,

118TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CodeGenerationContextInfo info, CancellationToken cancellationToken) where TDeclarationNode : SyntaxNode;

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

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; }

10internal sealed class CodeGenerationArrayTypeSymbol(ITypeSymbol elementType, int rank, NullableAnnotation nullableAnnotation) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, nullableAnnotation), IArrayTypeSymbol 12public ITypeSymbol ElementType { get; } = elementType;

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;

20ITypeSymbol toType,

20ITypeSymbol type, 27public ITypeSymbol Type { get; } = type;

22ITypeSymbol type, 27public ITypeSymbol Type { get; } = type;

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>();

20ITypeSymbol returnType,

22ITypeSymbol type, 32public ITypeSymbol Type { get; } = type;

9internal sealed class CodeGenerationPointerTypeSymbol(ITypeSymbol pointedAtType) : CodeGenerationTypeSymbol(null, null, default, Accessibility.NotApplicable, default, string.Empty, SpecialType.None, NullableAnnotation.None), IPointerTypeSymbol 11public ITypeSymbol PointedAtType { get; } = pointedAtType;

22ITypeSymbol type, 31public ITypeSymbol Type { get; } = type;

17ImmutableArray<ITypeSymbol> constraintTypes, 27public ImmutableArray<ITypeSymbol> ConstraintTypes { get; internal set; } = constraintTypes;

26: CodeGenerationNamespaceOrTypeSymbol(containingAssembly, containingType, attributes, declaredAccessibility, modifiers, name), ITypeSymbol 54public static ImmutableArray<ITypeSymbol> TupleElementTypes => default; 58public new ITypeSymbol OriginalDefinition => this; 78bool ITypeSymbol.IsRefLikeType => false; 80bool ITypeSymbol.IsUnmanagedType => throw new System.NotImplementedException(); 82bool ITypeSymbol.IsReadOnly => Modifiers.IsReadOnly; 88public ITypeSymbol WithNullableAnnotation(NullableAnnotation nullableAnnotation)

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

97public ImmutableArray<ITypeSymbol> InferredTypes { get; } = document.GetRequiredLanguageService<ITypeInferenceService>().InferTypes(semanticModel, position, cancellationToken);

54var mapping = new Dictionary<ITypeSymbol, ITypeSymbol>(SymbolEqualityComparer.Default); 108var mapping = new Dictionary<ITypeSymbol, ITypeSymbol>(SymbolEqualityComparer.Default);

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(

20public bool IsTaskLike(ITypeSymbol returnType)

76ITypeSymbol type) 86private static ITypeSymbol GetType(Compilation compilation, ISymbol symbol) 357var parameterType = parameter.Type;

365public static string? GetLocalName(this ITypeSymbol containingType, string? fallback = "v") 387private static bool ImplementsIEquatable(ITypeSymbol memberType, INamedTypeSymbol iequatableType) 400private static bool ShouldUseEqualityOperator(ITypeSymbol typeSymbol)

455var type = variableExpression.Type;

104protected static IMethodSymbol? FindDisposeMethod(Compilation compilation, ITypeSymbol? type, bool isAsync) 129var currentType = type; 145var currentType = type;

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

86/// Produces an appropriate TypeSyntax for the given <see cref="ITypeSymbol"/>. The <paramref name="typeContext"/> 100public abstract SyntaxNode Type(ITypeSymbol typeSymbol, bool typeContext); 130public abstract SyntaxNode DefaultExpression(ITypeSymbol type); 135public SyntaxNode CastExpression(ITypeSymbol type, SyntaxNode expression) 138public SyntaxNode TypeExpression(ITypeSymbol typeSymbol) 141public abstract SyntaxNode TypeExpression(ITypeSymbol typeSymbol, RefKind refKind); 155public SyntaxNode ConvertExpression(ITypeSymbol type, SyntaxNode expression)

36protected abstract bool IsUnusableType(ITypeSymbol arg); 81protected static IEnumerable<TypeInferenceInfo> CreateResult(ITypeSymbol type) 84protected static IEnumerable<ITypeSymbol> ExpandParamsParameter(IParameterSymbol parameterSymbol) 86var result = new List<ITypeSymbol> 108var elementType = parameters.ElementAtOrDefault(0);

15private static ImmutableArray<ITypeSymbol> InferTypeBasedOnNameIfEmpty( 16SemanticModel semanticModel, ImmutableArray<ITypeSymbol> result, string? nameOpt) 41private static ImmutableArray<ITypeSymbol> InferTypeBasedOnName( 79public ImmutableArray<ITypeSymbol> InferTypes( 91public ImmutableArray<ITypeSymbol> InferTypes(

27ImmutableArray<ITypeSymbol> InferTypes(SemanticModel semanticModel, SyntaxNode expression, string? nameOpt, CancellationToken cancellationToken); 28ImmutableArray<ITypeSymbol> InferTypes(SemanticModel semanticModel, int position, string? nameOpt, CancellationToken cancellationToken); 34internal readonly record struct TypeInferenceInfo(ITypeSymbol InferredType, bool IsParams) 36public TypeInferenceInfo(ITypeSymbol type) : this(type, IsParams: false)

1030public ITypeSymbol? ConstrainedToType

144public CodeAnalysis.ITypeSymbol? GetPublicTypeSymbol()

1783protected override ITypeSymbol? CommonScriptGlobalsType 2291public Conversion ClassifyConversion(ITypeSymbol source, ITypeSymbol destination) 2325public override CommonConversion ClassifyCommonConversion(ITypeSymbol source, ITypeSymbol destination) 2331internal override IConvertibleConversion ClassifyConvertibleConversion(IOperation source, ITypeSymbol? destination, out ConstantValue? constantValue) 2340ITypeSymbol? sourceType = source.Type; 2399ITypeSymbol? throughType) 2415ITypeSymbol? throughType = null) 4052protected override IArrayTypeSymbol CommonCreateArrayTypeSymbol(ITypeSymbol elementType, int rank, CodeAnalysis.NullableAnnotation elementNullableAnnotation) 4057protected override IPointerTypeSymbol CommonCreatePointerTypeSymbol(ITypeSymbol elementType) 4063ITypeSymbol returnType, 4065ImmutableArray<ITypeSymbol> parameterTypes, 4160ImmutableArray<ITypeSymbol> elementTypes, 4168ITypeSymbol typeSymbol = elementTypes[i]; 4215ImmutableArray<ITypeSymbol> memberTypes, 4249ITypeSymbol returnType, 4250ITypeSymbol leftType, 4251ITypeSymbol rightType) 4475ITypeSymbol returnType, 4476ITypeSymbol operandType) 4549protected 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); 2816public abstract Conversion ClassifyConversion(ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false); 2834public Conversion ClassifyConversion(int position, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

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

431ITypeSymbol destination,

222ITypeSymbol destination,

520public override Conversion ClassifyConversion(ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

438public static Conversion ClassifyConversion(this Compilation? compilation, ITypeSymbol source, ITypeSymbol destination) 1306public static Conversion ClassifyConversion(this SemanticModel? semanticModel, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false) 1326public static Conversion ClassifyConversion(this SemanticModel? semanticModel, int position, ExpressionSyntax expression, ITypeSymbol destination, bool isExplicitInSource = false)

265protected override void ReportInvalidNamedArgument(DiagnosticBag diagnostics, SyntaxNode attributeSyntax, int namedArgumentIndex, ITypeSymbol attributeClass, string parameterName)

320ITypeSymbol? type = boundNode switch 423ITypeSymbol? type = boundDeconstructValuePlaceholder.GetPublicTypeSymbol(); 435ITypeSymbol? type = boundDeconstructionAssignmentOperator.GetPublicTypeSymbol(); 444ITypeSymbol? type = boundCall.GetPublicTypeSymbol(); 474ITypeSymbol? type = boundFunctionPointerInvocation.GetPublicTypeSymbol(); 557ITypeSymbol? type = boundLocal.GetPublicTypeSymbol(); 577ITypeSymbol? type = boundFieldAccess.GetPublicTypeSymbol(); 618ITypeSymbol? type = boundPropertyAccess.GetPublicTypeSymbol(); 628ITypeSymbol? type = boundIndexerAccess.GetPublicTypeSymbol(); 648ITypeSymbol? type = boundEventAccess.GetPublicTypeSymbol(); 660ITypeSymbol? type = boundEventAssignmentOperator.GetPublicTypeSymbol(); 669ITypeSymbol? type = boundParameter.GetPublicTypeSymbol(); 677ITypeSymbol? type = boundLiteral.GetPublicTypeSymbol(); 686ITypeSymbol? type = boundNode.GetPublicTypeSymbol(); 694ITypeSymbol? type = boundAnonymousObjectCreationExpression.GetPublicTypeSymbol(); 705ITypeSymbol? type = boundObjectCreationExpression.GetPublicTypeSymbol(); 742ITypeSymbol? type = boundWithExpression.GetPublicTypeSymbol(); 754ITypeSymbol? type = boundDynamicObjectCreationExpression.GetPublicTypeSymbol(); 783ITypeSymbol? type = boundDynamicInvocation.GetPublicTypeSymbol(); 826ITypeSymbol? type = boundDynamicIndexerAccess.GetPublicTypeSymbol(); 835ITypeSymbol? type = boundObjectInitializerExpression.GetPublicTypeSymbol(); 844ITypeSymbol? type = boundCollectionInitializerExpression.GetPublicTypeSymbol(); 853ITypeSymbol? type = boundObjectInitializerMember.GetPublicTypeSymbol(); 914ImmutableArray<ITypeSymbol> typeArguments = ImmutableArray<ITypeSymbol>.Empty; 915ITypeSymbol containingType = boundDynamicObjectInitializerMember.ReceiverType.GetPublicSymbol(); 917ITypeSymbol? type = boundDynamicObjectInitializerMember.GetPublicTypeSymbol(); 929ITypeSymbol? type = boundCollectionElementInitializer.GetPublicTypeSymbol(); 954ITypeSymbol? type, 957ITypeSymbol? containingType = null; 964ImmutableArray<ITypeSymbol> typeArguments = ImmutableArray<ITypeSymbol>.Empty; 979ITypeSymbol? type = boundCollectionElementInitializer.GetPublicTypeSymbol(); 1031ITypeSymbol? type = boundConversion.GetPublicTypeSymbol(); 1114ITypeSymbol? type = boundConversion.GetPublicTypeSymbol(); 1146ITypeSymbol? type = boundAsOperator.GetPublicTypeSymbol(); 1155ITypeSymbol? type = boundDelegateCreationExpression.GetPublicTypeSymbol(); 1166ITypeSymbol? bindingType = null; 1174ITypeSymbol? typeOperand = boundIsOperator.TargetType.GetPublicTypeSymbol(); 1177ITypeSymbol? type = boundIsOperator.GetPublicTypeSymbol(); 1185ITypeSymbol? typeOperand = boundSizeOfOperator.SourceType.GetPublicTypeSymbol(); 1188ITypeSymbol? type = boundSizeOfOperator.GetPublicTypeSymbol(); 1196ITypeSymbol? typeOperand = boundTypeOfOperator.SourceType.GetPublicTypeSymbol(); 1199ITypeSymbol? type = boundTypeOfOperator.GetPublicTypeSymbol(); 1209ITypeSymbol? type = boundArrayCreation.GetPublicTypeSymbol(); 1226ITypeSymbol? collectionType = expr.GetPublicTypeSymbol(); 1273var elementType = element.EnumeratorInfoOpt?.ElementType.GetPublicSymbol(); 1295ITypeSymbol? type = boundDefaultExpression.GetPublicTypeSymbol(); 1305ITypeSymbol? type = boundBaseReference.GetPublicTypeSymbol(); 1314ITypeSymbol? type = boundThisReference.GetPublicTypeSymbol(); 1338ITypeSymbol? type = boundAssignmentOperator.GetPublicTypeSymbol(); 1350ITypeSymbol? type = boundAssignmentOperator.GetPublicTypeSymbol(); 1367ITypeSymbol? type = boundCompoundAssignmentOperator.GetPublicTypeSymbol(); 1394ITypeSymbol? type = boundIncrementOperator.GetPublicTypeSymbol(); 1405ITypeSymbol? type = syntax.IsMissing ? null : boundBadExpression.GetPublicTypeSymbol(); 1417ITypeSymbol? type = boundNewT.GetPublicTypeSymbol(); 1426ITypeSymbol? type = creation.GetPublicTypeSymbol(); 1437ITypeSymbol? type = boundUnaryOperator.GetPublicTypeSymbol(); 1491ITypeSymbol? type = boundBinaryOperator.GetPublicTypeSymbol(); 1523ITypeSymbol? type = boundBinaryOperator.GetPublicTypeSymbol(); 1567ITypeSymbol? type = boundTupleBinaryOperator.GetPublicTypeSymbol(); 1579ITypeSymbol? type = boundConditionalOperator.GetPublicTypeSymbol(); 1590ITypeSymbol? type = boundNullCoalescingOperator.GetPublicTypeSymbol(); 1609ITypeSymbol? type = boundNode.GetPublicTypeSymbol(); 1619ITypeSymbol? type = boundAwaitExpression.GetPublicTypeSymbol(); 1629ITypeSymbol? type = boundArrayAccess.GetPublicTypeSymbol(); 1640ITypeSymbol? type = boundIndexerAccess.GetPublicTypeSymbol(); 1662ITypeSymbol? type = boundInlineArrayAccess.GetPublicTypeSymbol(); 1672ITypeSymbol? type = boundNameOfOperator.GetPublicTypeSymbol(); 1682ITypeSymbol? type = boundThrowExpression.GetPublicTypeSymbol(); 1691ITypeSymbol? type = boundAddressOfOperator.GetPublicTypeSymbol(); 1700ITypeSymbol? type = boundImplicitReceiver.GetPublicTypeSymbol(); 1710ITypeSymbol? type = boundConditionalAccess.GetPublicTypeSymbol(); 1719ITypeSymbol? type = boundConditionalReceiver.GetPublicTypeSymbol(); 1832ITypeSymbol? type = null; 2012ITypeSymbol exceptionType = boundCatchBlock.ExceptionTypeOpt.GetPublicSymbol() ?? _semanticModel.Compilation.ObjectType; 2051ITypeSymbol? statementType = null; 2230ITypeSymbol? type = boundTupleExpression.GetPublicTypeSymbol(); 2265ITypeSymbol? type = boundInterpolatedString.GetPublicTypeSymbol(); 2485ITypeSymbol? type = placeholder.GetPublicTypeSymbol(); 2544ITypeSymbol inputType = boundDeclarationPattern.InputType.GetPublicSymbol(); 2545ITypeSymbol narrowedType = boundDeclarationPattern.NarrowedType.GetPublicSymbol(); 2547ITypeSymbol? matchedType = acceptsNull ? null : boundDeclarationPattern.DeclaredType.GetPublicTypeSymbol(); 2555ITypeSymbol matchedType = (boundRecursivePattern.DeclaredType?.Type ?? boundRecursivePattern.InputType.StrippedType()).GetPublicSymbol(); 2776ITypeSymbol? type = boundIsPatternExpression.GetPublicTypeSymbol(); 2791ITypeSymbol? type = boundQueryClause.GetPublicTypeSymbol(); 2852internal IPropertySubpatternOperation CreatePropertySubpattern(BoundPropertySubpattern subpattern, ITypeSymbol matchedType) 2870var inputType = getInputType(member, matchedType); 2877ITypeSymbol previousType = inputType; 2892IPropertySubpatternOperation createPropertySubpattern(Symbol? symbol, IPatternOperation pattern, ITypeSymbol receiverType, SyntaxNode nameSyntax, bool isSingle) 2927static ITypeSymbol getInputType(BoundPropertySubpatternMember member, ITypeSymbol matchedType) 2935ITypeSymbol? type = placeholder.GetPublicTypeSymbol();

411ITypeSymbol type, 465ITypeSymbol? assignmentType = target.Type;

41ITypeSymbol symbol, 49ITypeSymbol symbol, 103ITypeSymbol symbol, 113ITypeSymbol symbol, 148ITypeSymbol symbol, 159ITypeSymbol symbol, 195ITypeSymbol symbol, 206ITypeSymbol symbol, 218ITypeSymbol symbol,

310ITypeSymbol? type = GetRangeVariableType(symbol); 371Debug.Assert((object)containingType != null || (symbol.ContainingSymbol is ITypeSymbol));

311if ((object?)symbol.ContainingType != null || (symbol.ContainingSymbol is ITypeSymbol)) 383ITypeSymbol? containingType; 407containingType = (ITypeSymbol)symbol.ContainingSymbol; 885private static bool CanAddConstant(ITypeSymbol type, object? value) 932Debug.Assert(containingType != null || (symbol.ContainingSymbol is ITypeSymbol));

48ITypeSymbol underlyingType = symbol; 70private void AddNullableAnnotations(ITypeSymbol type) 78private bool ShouldAddNullableAnnotation(ITypeSymbol type) 223var typeArg = symbol.TypeArguments[0]; 819ImmutableArray<ITypeSymbol> typeArguments; 837var typeArg = typeArguments[i]; 880private void AddTypeParameterConstraints(ImmutableArray<ITypeSymbol> typeArguments) 884foreach (var typeArg in typeArguments) 946ITypeSymbol baseType = typeParam.ConstraintTypes[i];

12private void AddConstantValue(ITypeSymbol type, object? constantValue, bool preferNumericValueOrExpandedFlagsForEnum = false)

238private ITypeSymbol? GetRangeVariableType(IRangeVariableSymbol symbol) 240ITypeSymbol? type = null;

479protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

201internal override bool IsAttributeType(ITypeSymbol type)

244protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

559protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

125protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

148protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) => throw ExceptionUtilities.Unreachable();

1710protected override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

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

306protected 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; 22private ITypeSymbol _lazyReceiverType; 79ITypeSymbol IMethodSymbol.ReturnType 100ImmutableArray<ITypeSymbol> IMethodSymbol.TypeArguments 173ITypeSymbol IMethodSymbol.ReceiverType 196ITypeSymbol IMethodSymbol.GetTypeInferredDuringReduction(ITypeParameterSymbol reducedFromTypeParameter) 203IMethodSymbol IMethodSymbol.ReduceExtensionMethod(ITypeSymbol receiverType) 275IMethodSymbol IMethodSymbol.Construct(params ITypeSymbol[] typeArguments) 280IMethodSymbol 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) 40return (ITypeSymbol)UnderlyingSymbol.ISymbol; 83ITypeSymbol ITypeSymbol.OriginalDefinition 91INamedTypeSymbol ITypeSymbol.BaseType 99ImmutableArray<INamedTypeSymbol> ITypeSymbol.Interfaces 107ImmutableArray<INamedTypeSymbol> ITypeSymbol.AllInterfaces 115ISymbol ITypeSymbol.FindImplementationForInterfaceMember(ISymbol interfaceMember) 122bool ITypeSymbol.IsUnmanagedType => !UnderlyingTypeSymbol.IsManagedTypeNoUseSiteDiagnostics; 124bool ITypeSymbol.IsReferenceType 132bool ITypeSymbol.IsValueType 140TypeKind ITypeSymbol.TypeKind 148bool ITypeSymbol.IsTupleType => UnderlyingTypeSymbol.IsTupleType; 150bool ITypeSymbol.IsNativeIntegerType => UnderlyingTypeSymbol.IsNativeIntegerType; 153bool ITypeSymbol.IsExtension => UnderlyingTypeSymbol.IsExtension; 155IParameterSymbol? ITypeSymbol.ExtensionParameter => UnderlyingTypeSymbol.ExtensionParameter?.GetPublicSymbol(); 158string ITypeSymbol.ToDisplayString(CodeAnalysis.NullableFlowState topLevelNullability, SymbolDisplayFormat format) 163ImmutableArray<SymbolDisplayPart> ITypeSymbol.ToDisplayParts(CodeAnalysis.NullableFlowState topLevelNullability, SymbolDisplayFormat format) 168string ITypeSymbol.ToMinimalDisplayString(SemanticModel semanticModel, CodeAnalysis.NullableFlowState topLevelNullability, int position, SymbolDisplayFormat format) 173ImmutableArray<SymbolDisplayPart> ITypeSymbol.ToMinimalDisplayParts(SemanticModel semanticModel, CodeAnalysis.NullableFlowState topLevelNullability, int position, SymbolDisplayFormat format) 178bool ITypeSymbol.IsAnonymousType => UnderlyingTypeSymbol.IsAnonymousType; 180SpecialType ITypeSymbol.SpecialType => UnderlyingTypeSymbol.SpecialType; 182bool ITypeSymbol.IsRefLikeType => UnderlyingTypeSymbol.IsRefLikeType; 184bool ITypeSymbol.IsReadOnly => UnderlyingTypeSymbol.IsReadOnly; 186bool ITypeSymbol.IsRecord => UnderlyingTypeSymbol.IsRecord || UnderlyingTypeSymbol.IsRecordStruct;

407internal static TypeSymbol? EnsureCSharpSymbolOrNull(this ITypeSymbol? symbol, string paramName) 580internal static ITypeSymbol? GetPublicSymbol(this TypeSymbol? symbol) 582return symbol.GetPublicSymbol<ITypeSymbol>(); 701internal static ImmutableArray<ITypeSymbol> GetPublicSymbols(this ImmutableArray<TypeSymbol> symbols) 703return GetPublicSymbols<ITypeSymbol>(StaticCast<Symbol>.From(symbols)); 765internal static TypeSymbol? GetSymbol(this ITypeSymbol? symbol)

709protected sealed override ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation)

675return SymbolDisplay.ToDisplayString((ITypeSymbol)ISymbol, topLevelNullability, format); 680return SymbolDisplay.ToDisplayParts((ITypeSymbol)ISymbol, topLevelNullability, format); 689return SymbolDisplay.ToMinimalDisplayString((ITypeSymbol)ISymbol, topLevelNullability, semanticModel, position, format); 698return SymbolDisplay.ToMinimalDisplayParts((ITypeSymbol)ISymbol, topLevelNullability, semanticModel, position, format); 2491internal ITypeSymbol GetITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation) 2495return (ITypeSymbol)this.ISymbol; 2503protected abstract ITypeSymbol CreateITypeSymbol(CodeAnalysis.NullableAnnotation nullableAnnotation); 2513ITypeSymbol ITypeSymbolInternal.GetITypeSymbol()

36private readonly ITypeSymbol? _csharpSyntaxKind, _basicSyntaxKind; 81protected override bool IsSyntaxKind(ITypeSymbol type)

75IEnumerable<ITypeSymbol> allowedTypes,

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

157var type = context.SemanticModel.GetTypeInfo(expression, context.CancellationToken).Type;

219var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType; 269private static bool IsIdentityOrImplicitConversion(Compilation compilation, ITypeSymbol type1, ITypeSymbol type2)

62[NotNullWhen(true)] out ITypeSymbol? whereType) 201var castType = semanticModel.GetTypeInfo(castTypeArgument, cancellationToken).Type;

97var convertedType = semanticModel.GetTypeInfo(expression.WalkUpParentheses(), cancellationToken).ConvertedType;

172var expressionType = semanticModel.GetTypeInfo(memberAccess.Expression, cancellationToken).Type; 239var argumentType = semanticModel.GetTypeInfo(objectCreation.ArgumentList.Arguments[0].Expression, cancellationToken).Type; 328var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 394var type = state.SemanticModel.GetTypeInfo(memberAccess.Expression, cancellationToken).Type;

99var targetType = topMostExpression.GetTargetType(semanticModel, cancellationToken); 192var type = originalTypeInfo.Type; 193var convertedType = originalTypeInfo.ConvertedType; 299public static bool IsWellKnownCollectionInterface(ITypeSymbol type) 302public static bool IsWellKnownCollectionReadOnlyInterface(ITypeSymbol type) 310public static bool IsWellKnownCollectionReadWriteInterface(ITypeSymbol type) 317public static bool IsConstructibleCollectionType(Compilation compilation, ITypeSymbol? type) 895if (collectionBuilderAttributeData?.ConstructorArguments is not [{ Value: ITypeSymbol collectionBuilderType }, { Value: CreateName }]) 1048var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 1061public static bool EqualsOrImplements(ITypeSymbol type, INamedTypeSymbol? interfaceType)

167var type = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

144var leftType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type; 145var rightType = semanticModel.GetTypeInfo(objectCreation, cancellationToken).Type;

21public static IPropertySymbol? TryGetLengthOrCountProperty(ITypeSymbol namedType) 29public static IPropertySymbol? TryGetNoArgInt32Property(ITypeSymbol type, string name) 130public static IPropertySymbol? GetIndexer(ITypeSymbol type, ITypeSymbol parameterType, ITypeSymbol returnType) 145public static IMethodSymbol? GetOverload(IMethodSymbol method, ITypeSymbol parameterType)

78var expressionType = semanticModel.GetTypeInfo(castExpression.Expression).Type;

297var convertedType = semanticModel.GetTypeInfo(nodeToCheck, cancellationToken).ConvertedType;

87var castType = semanticModel.GetTypeInfo(castExpression.Type).Type; 121var asType = semanticModel.GetTypeInfo(typeNode, cancellationToken).Type;

112var isType = semanticModel.GetTypeInfo(castExpression.Type).Type;

19public static bool IsBuiltInType(ITypeSymbol type) 34ITypeSymbol? typeInDeclaration, 54var tupleElementType = tupleType.TupleElements[i].Type; 119ITypeSymbol? typeInDeclaration, 140ITypeSymbol? typeInDeclaration, 147var returnType = UnwrapTupleType(methodSymbol.ReturnType); 174var returnType = methodSymbol.ReturnType; 183private static ITypeSymbol? UnwrapTupleType(ITypeSymbol? symbol)

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

906public static ITypeSymbol? GetTargetType( 936bool HasType(ExpressionSyntax expression, [NotNullWhen(true)] out ITypeSymbol? type) 942ITypeSymbol? GetTargetTypeForArgument(ArgumentSyntax argument) 946var tupleType = tupleExpression.GetTargetType(semanticModel, cancellationToken); 961ITypeSymbol? GetTargetTypeForAttributeArgument(AttributeArgumentSyntax argument) 964ITypeSymbol? GetTargetTypeForArrowExpression(ArrowExpressionClauseSyntax arrowExpression) 971ITypeSymbol? GetTargetTypeForReturnStatement(ReturnStatementSyntax returnStatement) 985ITypeSymbol? GetTargetTypeForEqualsValueClause(EqualsValueClauseSyntax equalsValue) 995ITypeSymbol? GetTargetTypedForCastExpression(CastExpressionSyntax castExpression) 998ITypeSymbol? GetTargetTypeForConditionalExpression(ConditionalExpressionSyntax conditionalExpression, ExpressionSyntax expression) 1001return HasType(conditionalExpression.WhenFalse, out var falseType) ? falseType : conditionalExpression.GetTargetType(semanticModel, cancellationToken); 1003return HasType(conditionalExpression.WhenTrue, out var trueType) ? trueType : conditionalExpression.GetTargetType(semanticModel, cancellationToken); 1008ITypeSymbol? GetTargetTypeForLambdaExpression(LambdaExpressionSyntax lambda, ExpressionSyntax expression) 1012ITypeSymbol? GetTargetTypeForSwitchExpressionArm(SwitchExpressionArmSyntax switchExpressionArm) 1019if (arm != switchExpressionArm && HasType(arm.Expression, out var armType)) 1027ITypeSymbol? GetTargetTypeForCollectionElement(CollectionElementSyntax collectionElement) 1035var collectionTargetType = collectionExpression.GetTargetType(semanticModel, cancellationToken); 1055ITypeSymbol? GetTargetTypeForInitializerExpression(InitializerExpressionSyntax initializerExpression, ExpressionSyntax expression) 1059return HasType(arrayCreation.Type, out var elementType) ? elementType : null; 1066if (sibling != expression && HasType(sibling, out var siblingType)) 1084ITypeSymbol? GetTargetTypeForAssignmentExpression(AssignmentExpressionSyntax assignmentExpression, ExpressionSyntax expression) 1086return expression == assignmentExpression.Right && HasType(assignmentExpression.Left, out var leftType) ? leftType : null; 1089ITypeSymbol? GetTargetTypeForBinaryExpression(BinaryExpressionSyntax binaryExpression, ExpressionSyntax expression) 1091return binaryExpression.Kind() == SyntaxKind.CoalesceExpression && binaryExpression.Right == expression && HasType(binaryExpression.Left, out var leftType) ? leftType : null;

15public static bool IsIntrinsicType(this ITypeSymbol typeSymbol)

333var potentialType = semanticModel.GetSpeculativeTypeInfo(expression.SpanStart, expression, SpeculativeBindingOption.BindAsTypeOrNamespace).Type;

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

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

353var type = semanticModel.GetTypeInfo(node, cancellationToken).Type;

128var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 163var castedType = semanticModel.GetTypeInfo(castExpression.Type, cancellationToken).Type; 167var parentCastType = semanticModel.GetTypeInfo(parentCast.Type, cancellationToken).Type; 314var originalConvertedType = originalSemanticModel.GetTypeInfo(castNode.WalkUpParentheses(), cancellationToken).ConvertedType; 506var castedExpressionType = originalSemanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 507var isType = originalSemanticModel.GetTypeInfo(isExpression.Right, cancellationToken).Type; 543var targetType = castNode.GetTargetType(originalSemanticModel, cancellationToken); 608ITypeSymbol originalConvertedType, 612var castedType = originalSemanticModel.GetTypeInfo(castNode, cancellationToken).Type; 687var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 807var originalConvertedType = originalConversionOperation.Type; 808var rewrittenBitwiseNotConversionType = rewrittenBitwiseNotConversionOperation.Type; 821private static bool IsSignedIntegralOrIntPtrType(ITypeSymbol? type) 885var castType = originalSemanticModel.GetTypeInfo(castExpression, cancellationToken).Type; 915var otherSideType = originalSemanticModel.GetTypeInfo(otherSide, cancellationToken).Type; 916var thisSideRewrittenType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).Type; 928var rewrittenConditionalConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenConditionalExpression, cancellationToken).ConvertedType; 939private static bool IsNullOrErrorType([NotNullWhen(false)] ITypeSymbol? type) 1062var castSideType = semanticModel.GetTypeInfo(castSide, cancellationToken).Type; 1063var castedExpressionType = semanticModel.GetTypeInfo(castExpression.Expression, cancellationToken).Type; 1067var otherSideType = semanticModel.GetTypeInfo(otherSide, cancellationToken).Type; 1085var castType = semanticModel.GetTypeInfo(castNode, cancellationToken).Type; 1086var castedExpressionType = semanticModel.GetTypeInfo(castedExpressionNode, cancellationToken).Type; 1143private static bool IsFloatingPointType(ITypeSymbol? type) 1313var rewrittenType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).Type; 1428private static bool IsIntrinsicOrEnum(ITypeSymbol rewrittenType) 1436ITypeSymbol rewrittenType, 1526private static (ITypeSymbol? rewrittenConvertedType, Conversion rewrittenConversion) GetRewrittenInfo( 1529Conversion originalConversion, ITypeSymbol originalConvertedType, 1540var convertedType = originalConversion.IsIdentity ? originalConvertedType : originalSemanticModel.Compilation.ObjectType; 1544var rewrittenConvertedType = rewrittenSemanticModel.GetTypeInfo(rewrittenExpression, cancellationToken).ConvertedType;

385var originalExpressionType = originalExpressionTypeInfo.Type; 386var newExpressionType = newExpressionTypeInfo.Type; 434var originalCaseType = this.OriginalSemanticModel.GetTypeInfo(previousOriginalNode, this.CancellationToken).Type; 435var newCaseType = this.SpeculativeSemanticModel.GetTypeInfo(previousReplacedNode, this.CancellationToken).Type; 560var originalExpressionType = this.OriginalSemanticModel.GetTypeInfo(originalAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 561var newExpressionType = this.SpeculativeSemanticModel.GetTypeInfo(replacedAnonymousObjectMemberDeclarator.Expression, this.CancellationToken).Type; 701var originalConvertedType = this.OriginalSemanticModel.GetTypeInfo(originalIsOrAsExpression.Right).Type; 702var newConvertedType = this.SpeculativeSemanticModel.GetTypeInfo(newIsOrAsExpression.Right).Type; 840protected override bool ConversionsAreCompatible(ExpressionSyntax originalExpression, ITypeSymbol originalTargetType, ExpressionSyntax newExpression, ITypeSymbol newTargetType) 888out ITypeSymbol elementType, 930protected override bool IsReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 933protected override Conversion ClassifyConversion(SemanticModel model, ExpressionSyntax expression, ITypeSymbol targetType) 936protected override Conversion ClassifyConversion(SemanticModel model, ITypeSymbol originalType, ITypeSymbol targetType)

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

148var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type;

189var declarationType = semanticModel.GetTypeInfo(declarationTypeNode, cancellationToken).Type; 199var newDeclarationType = newSemanticModel.GetTypeInfo(newDeclarationTypeNode, cancellationToken).Type; 272var declaredType = semanticModel.GetTypeInfo(typeName.StripRefIfNeeded(), cancellationToken).Type; 312var initializerType = semanticModel.GetTypeInfo(expression, cancellationToken).Type; 320var initializerType = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

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

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

47protected override ExpressionSyntax Cast(ExpressionSyntax expression, ITypeSymbol type) 56ArrayBuilder<(ExpressionSyntax node, ITypeSymbol type)> candidates, 90SemanticModel semanticModel, ExpressionSyntax targetNode, ITypeSymbol conversionType) 97var leftType = semanticModel.GetTypeInfo(assignmentExpression.Left).Type; 98var rightType = semanticModel.GetTypeInfo(assignmentExpression.Right).Type;

49protected override ITypeSymbol GetArgumentType(SyntaxNode argumentNode, SemanticModel semanticModel, CancellationToken cancellationToken)

28protected override string GetTextPreviewOfChange(string alias, ITypeSymbol typeSymbol)

76ITypeSymbol? declaratorToRemoveType = null;

40ITypeSymbol? declaratorToRemoveType, 67ITypeSymbol? declaratorToRemoveType, 104private StatementSyntax GenerateVariableDeclaration(ExpressionSyntax switchExpression, ITypeSymbol? declaratorToRemoveType) 263var expressionConvertedType = _semanticModel.GetTypeInfo(node.Expression).ConvertedType;

990ITypeSymbol? testType = null;

76var returnedType = semanticModel.GetTypeInfo(returnedValue, cancellationToken).Type; 91var previousReturnType = semanticModel.GetTypeInfo(declarationTypeToFix, cancellationToken).Type; 154private static ITypeSymbol? InferTupleType(TupleExpressionSyntax tuple, SemanticModel semanticModel, CancellationToken cancellationToken) 163var inferredTupleTypes = new ITypeSymbol[argCount]; 168var type = semanticModel.GetTypeInfo(argumentExpression, cancellationToken).Type;

19protected override ITypeSymbol GetForEachElementType( 23var result = forEachInfo.ElementType;

176protected override ITypeSymbol GetArgumentType(SemanticModel semanticModel, Argument<ExpressionSyntax> argument, CancellationToken cancellationToken) 179protected override bool IsConversionImplicit(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType)

57ITypeSymbol? type;

58var targetType = semanticModel.GetTypeInfo(target, cancellationToken: cancellationToken).Type;

144protected override ITypeSymbol? DetermineReturnTypeForSimpleNameOrMemberAccessExpression(

38protected override ITypeSymbol DetermineReturnTypeWorker(CancellationToken cancellationToken) 55var type = argument.DetermineParameterType(semanticModel, cancellationToken); 128protected override ImmutableArray<ITypeSymbol> DetermineParameterTypes(CancellationToken cancellationToken) 131private ITypeSymbol DetermineParameterType(ArgumentSyntax argument, CancellationToken cancellationToken) 140protected override bool IsImplicitReferenceConversion(Compilation compilation, ITypeSymbol sourceType, ITypeSymbol targetType) 146protected override ImmutableArray<ITypeSymbol> DetermineTypeArguments(CancellationToken cancellationToken) 151var result = new FixedSizeArrayBuilder<ITypeSymbol>(genericName.TypeArgumentList.Arguments.Count);

242ITypeSymbol symbol, CSharpSimplifierOptions options) 255private static bool IsVarDesired(ITypeSymbol type, CSharpSimplifierOptions options)

89SemanticModel model, ExpressionSyntax? expression, [NotNullWhen(true)] out ITypeSymbol? returnExpressionType) 104[NotNullWhen(true)] out ITypeSymbol? methodReturnType) 117private static bool IsCorrectTypeForYieldReturn(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, ITypeSymbol methodReturnType, SemanticModel model) 151private static bool CanConvertTypes(ITypeSymbol typeArgument, ITypeSymbol returnExpressionType, SemanticModel model) 190private static bool IsCorrectTypeForYieldReturn(ITypeSymbol methodReturnType, SemanticModel model)

47var type = methodSymbol.ReturnType;

66protected override bool IsAsyncReturnType(ITypeSymbol type, KnownTaskTypes knownTypes) 130var returnType = methodSymbol.ReturnType; 157static TypeSyntax MakeGenericType(string type, ITypeSymbol typeArgumentFrom)

60var returnType = methodSymbol.ReturnType;

84var type = semanticModel.GetTypeInfo(defaultLiteral, cancellationToken).ConvertedType; 121private static bool IsFlagsEnum(ITypeSymbol type, Compilation compilation)

21protected override ITypeSymbol? TryGetExplicitCast( 26var leftPartTypeSymbol = semanticModel.GetTypeInfo(expressionToCoalesce, cancellationToken).Type; 27var rightPartTypeSymbol = semanticModel.GetTypeInfo(rightAssignmentPart, cancellationToken).Type; 28var finalDestinationTypeSymbol = semanticModel.GetTypeInfo(leftAssignmentPart, cancellationToken).Type;

97var type = semanticModel.GetTypeInfo(coalesce, cancellationToken).Type;

32private static (int index, ITypeSymbol arrayElementType)? DetermineFirstArgumentIndexToWrap( 127if (DetermineFirstArgumentIndexToWrap(semanticModel, invocation, cancellationToken) is not (int indexToWrap, ITypeSymbol arrayElementType))

46var type = semanticModel.GetTypeInfo(variableDeclaration.Type, cancellationToken).ConvertedType; 62Document document, TextSpan span, ITypeSymbol type, CancellationToken cancellationToken)

92var returnType = lambdaType.DelegateInvokeMethod.ReturnType;

152private static ITypeSymbol AdjustNullabilityOfTypeSymbol( 155ITypeSymbol typeSymbol, 174private static ExpressionSyntax GenerateTupleDeclaration(ITypeSymbol typeSymbol, ParenthesizedVariableDesignationSyntax parensDesignation) 184var type = elements[i].Type; 216private static SyntaxNode GenerateTypeDeclaration(TypeSyntax typeSyntax, ITypeSymbol newTypeSymbol) 227private static ITypeSymbol GetConvertedType(SemanticModel semanticModel, SyntaxNode typeSyntax, CancellationToken cancellationToken) 229var typeSymbol = semanticModel.GetTypeInfo(typeSyntax, cancellationToken).ConvertedType;

127var type = semanticModel.GetTypeInfo(expr).Type;

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

776public override TDeclarationNode UpdateDeclarationType<TDeclarationNode>(TDeclarationNode declaration, ITypeSymbol newType, CSharpCodeGenerationContextInfo info, CancellationToken cancellationToken)

34return typedConstant.Value is ITypeSymbol typeSymbol 54ITypeSymbol? type, 75internal static ExpressionSyntax GenerateNonEnumValueExpression(ITypeSymbol? type, object? value, bool canUseFieldReference) 118private static string DetermineSuffix(ITypeSymbol? type, object value) 172private static ExpressionSyntax GenerateDoubleLiteralExpression(ITypeSymbol? type, double value, bool canUseFieldReference) 201private static ExpressionSyntax GenerateSingleLiteralExpression(ITypeSymbol? type, float value, bool canUseFieldReference) 231ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 242ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants, 278private static ExpressionSyntax? GenerateFieldReference<T>(ITypeSymbol? type, T value, IEnumerable<KeyValuePair<T, string>> constants)

288foreach (var constraintType in typeParameter.ConstraintTypes)

176return symbol is ITypeSymbol type

160var returnType = property.Type;

2504if (semanticModel.GetSymbolInfo(objectCreation.Type, cancellationToken).Symbol is ITypeSymbol type && !type.CanSupportCollectionInitializer(containingSymbol)) 3062return target.IsType && ((ITypeSymbol)target).TypeKind == TypeKind.Enum;

88ITypeSymbol targetType) 103ITypeSymbol targetType, 120var type = semanticModel.GetSpeculativeTypeInfo( 170out ITypeSymbol? container)

13public static ITypeSymbol DetermineParameterType( 21public static ITypeSymbol DetermineParameterType(ExpressionSyntax expression, SemanticModel semanticModel, CancellationToken cancellationToken)

63foreach (var type in constraintTypes)

27public static ExpressionSyntax GenerateExpressionSyntax(this ITypeSymbol typeSymbol, bool nameSyntax = false) 39var type = symbol as ITypeSymbol; 95public static bool ContainingTypesOrSelfHasUnsafeKeyword(this ITypeSymbol containingType) 113public static async Task<ISymbol?> FindApplicableAliasAsync(this ITypeSymbol type, int position, SemanticModel semanticModel, CancellationToken cancellationToken)

62ITypeSymbol underlyingType = symbol; 239var innerType = symbol.TypeArguments.First();

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

113public CommonConversion ClassifyConversion(SemanticModel semanticModel, SyntaxNode expression, ITypeSymbol destination) 137var type = semanticModel.GetTypeInfo(expression, cancellationToken).Type;

179public override SyntaxNode Type(ITypeSymbol typeSymbol, bool typeContext) 250public override SyntaxNode DefaultExpression(ITypeSymbol type) 285public override SyntaxNode TypeExpression(ITypeSymbol typeSymbol, RefKind refKind)

34protected override bool IsUnusableType(ITypeSymbol otherSideType) 615private static IMethodSymbol Instantiate(IMethodSymbol method, IList<ITypeSymbol> invocationTypes) 639IDictionary<ITypeParameterSymbol, ITypeSymbol> bestMap = null; 640foreach (var type in invocationTypes) 661private static Dictionary<ITypeParameterSymbol, ITypeSymbol> DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType) 663var result = new Dictionary<ITypeParameterSymbol, ITypeSymbol>(); 668private static void DetermineTypeParameterMapping(ITypeSymbol inferredType, ITypeSymbol returnType, Dictionary<ITypeParameterSymbol, ITypeSymbol> result) 1133static ITypeSymbol MakeNullable(ITypeSymbol symbol, Compilation compilation) 1447var type = this.SemanticModel.GetTypeInfo(recursivePattern).ConvertedType; 1566var elementTypesBuilder = ArrayBuilder<ITypeSymbol>.GetInstance(subPatternCount); 1591private static ImmutableArray<NullableAnnotation> GetNullableAnnotations(ImmutableArray<ITypeSymbol> elementTypes) 1780private ITypeSymbol InferTypeForFirstParameterOfLambda( 1795private ITypeSymbol InferTypeForFirstParameterOfParenthesizedLambda( 1804private ITypeSymbol InferTypeForFirstParameterOfSimpleLambda( 1811private ITypeSymbol InferTypeForFirstParameterOfLambda( 1818private ITypeSymbol InferTypeForFirstParameterOfLambda( 1836var type = InferTypeForFirstParameterOfLambda(parameterName, child.AsNode()); 2001private ITypeSymbol UnwrapTaskLike(ITypeSymbol type, bool isAsync) 2270var tupleType = GetTupleType(tupleExpression); 2279private ITypeSymbol GetTupleType( 2293out ImmutableArray<ITypeSymbol> elementTypes, 2299using var _1 = ArrayBuilder<ITypeSymbol>.GetInstance(out var elementTypesBuilder); 2337ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2359ArrayBuilder<ITypeSymbol> elementTypesBuilder, 2362var tupleType = GetTupleType(tuple);

154public static bool IsImplicitConversion(Compilation compilation, ITypeSymbol source, ITypeSymbol destination)

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

74var member01 = (typesym.GetMembers("myEvent").Single() as IEventSymbol).Type; 77var member02 = (typesym.GetMembers("Prop").Single() as IPropertySymbol).Type; 83var member04 = (typesym.GetMembers("M").Single() as IMethodSymbol).Parameters[0].Type; 86var member05 = (typesym.GetMembers(WellKnownMemberNames.Indexer).Single() as IPropertySymbol).Type; 244var mtsym20_1 = mem20_1.ReturnType; 248var mtsym20_2 = mem20_2.Parameters[0].Type; 251var mtsym20_3 = mem20_2.Parameters[1].Type; 264var localType = ((ILocalSymbol)local).Type;

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

171var parameterType = callbackParamater.Type;

31ITypeSymbol inferredType;

1151Assert.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; 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()));

1717static void verifyType(string expectedType, ITypeSymbol type, bool inferDelegate)

6210ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 6328var vbType = (ITypeSymbol)vbComp.GlobalNamespace.GetMembers("C").Single(); 6341Assert.Throws<ArgumentNullException>(() => comp.CreateTupleTypeSymbol(default(ImmutableArray<ITypeSymbol>), default(ImmutableArray<string>))); 6344Assert.Throws<ArgumentException>(() => comp.CreateTupleTypeSymbol(ImmutableArray<ITypeSymbol>.Empty, default(ImmutableArray<string>))); 6581ITypeSymbol vbType = (ITypeSymbol)vbComp.GlobalNamespace.GetMembers("C").Single(); 6610var tuple3 = comp.CreateTupleTypeSymbol(ImmutableArray.Create<ITypeSymbol>(intType, intType, intType, intType, intType, intType, intType, stringType, stringType), 6927private static bool TypeEquals(ITypeSymbol a, ITypeSymbol b, TypeCompareKind compareKind) => 13977Assert.True(((ITypeSymbol)nameofArgSymbolInfo.Symbol).IsTupleType); 14333var m5Tuple = ((IMethodSymbol)symbolInfo.Symbol).TypeParameters[0].ConstraintTypes.Single(); 14343var m6Tuple = m6Method.ReturnType; 14456var v1Type = ((ILocalSymbol)symbolInfo.Symbol).Type; 14466var v2Type = ((ILocalSymbol)symbolInfo.Symbol).Type; 18861ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18862ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18881ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18882ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18921ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18922ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18923ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 18947ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18948ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18949ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 18972ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18973ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18974ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 18997ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 18998ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 18999ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19023ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19024ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19025ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19065ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19066ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19067ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19104ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19105ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19106ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19143ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19144ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19145ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 19182ITypeSymbol intType = comp.GetSpecialType(SpecialType.System_Int32); 19183ITypeSymbol stringType = comp.GetSpecialType(SpecialType.System_String); 19184ITypeSymbol objectType = comp.GetSpecialType(SpecialType.System_Object); 22858var xSymbol = ((ILocalSymbol)model.GetDeclaredSymbol(x)).Type; 24397var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24470var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24543var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 24617var collectionSymbol = (model.GetDeclaredSymbol(collection) as ILocalSymbol)?.Type; 25026var xSymbol = ((ILocalSymbol)model.GetDeclaredSymbol(x)).Type;

10690var returnType = model.GetDeclaredSymbol(method).ReturnType;

27078ITypeSymbol ISpreadOperation.ElementType => throw null; 27088ITypeSymbol IOperation.Type => throw null;

27881var dynamicType = model.GetTypeInfo(memberAccess.Expression).Type; 29638var t = extensionParameter.Type; 29681var t = extensionParameter.Type;

1007ITypeSymbol expectedType = null 1041ITypeSymbol expected = expectedSymbol?.GetTypeOrReturnType(); 1071private static void AssertTypeFromOperation(SemanticModel model, ITypeSymbol expectedType, DeclarationExpressionSyntax decl) 21421Assert.True(((ITypeSymbol)model.GetTypeInfo(zRef).Type).IsErrorType()); 22721Assert.True(((ITypeSymbol)model.GetTypeInfo(reference).Type).IsErrorType());

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

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

618var type = model.GetTypeInfo(literal).Type;

241protected override ITypeSymbol GetDeconstructInfo( 247protected override ITypeSymbol GetQueryClauseInfo( 625var leftExpressionType = semanticInfo.Type;

168if (typeSymbol != null && typeSymbol.IsKind(SymbolKind.NamedType) && ((ITypeSymbol)typeSymbol).TypeKind == TypeKind.Delegate)

59protected override SyntaxNode GenerateTypeSyntax(ITypeSymbol symbol, bool allowVar) 62protected override ExpressionSyntax GenerateLiteralExpression(ITypeSymbol typeSymbol, object? value)

88var returnType = semanticModel.GetTypeInfo(existingReturnType, cancellationToken).Type; 146protected override ITypeSymbol? GetTypeSymbolOfExpression(SemanticModel semanticModel, SyntaxNode potentialAwaitableExpression, CancellationToken cancellationToken) 155return symbol is ITypeSymbol ? null : semanticModel.GetTypeInfo(memberAccessExpression, cancellationToken).Type;

213var leftType = semanticModel.GetTypeInfo(parent.Container, cancellationToken).Type; 264var typeSymbol = symbol as ITypeSymbol;

186private static ITypeSymbol? GetDelegateType(TypeInferenceInfo typeInferenceInfo, Compilation compilation) 188var typeSymbol = typeInferenceInfo.InferredType;

23ITypeSymbol? type = null, 38public readonly ITypeSymbol? Type = type; 187return symbol is ITypeSymbol; 371if (symbolInfo.GetAnySymbol() is ITypeSymbol type)