213this.compilation = compilation;

96if (compilation.LanguageVersion >= MessageID.IDS_FeatureRecursivePatterns.RequiredVersion())

487if (compilation.IsFeatureEnabled(MessageID.IDS_FeatureAutoDefaultStructs)) 512if (!compilation.IsFeatureEnabled(MessageID.IDS_FeatureAutoDefaultStructs)) 1293if (compilation.IsFeatureEnabled(MessageID.IDS_FeatureAutoDefaultStructs)) 1345else if (compilation.IsFeatureEnabled(MessageID.IDS_FeatureAutoDefaultStructs)) 1596Binder.InferConstantIndexFromSystemIndex(compilation, elementAccess.Argument, length, out _) is 0)) 2640if (!type.IsFromCompilation(this.compilation)) 2808node.Type.OriginalDefinition.Equals(compilation.GetWellKnownType(WellKnownType.System_Span_T), TypeCompareKind.AllIgnoreOptions))

298SetResult(expression, resultType: type, lvalueType: type.ToTypeWithAnnotations(compilation), updateAnalyzedNullability: updateAnalyzedNullability); 303SetAnalyzedNullability(expression, resultType: type, lvalueType: type.ToTypeWithAnnotations(compilation)); 311VisitResult visitResult = _visitResult.WithLValueType(ResultType.ToTypeWithAnnotations(compilation)); 333private void SetInvalidResult() => SetResult(expression: null, _invalidType, _invalidType.ToTypeWithAnnotations(compilation), updateAnalyzedNullability: false); 502compilation.TestOnlyCompilationData is NullableAnalysisData { MaxRecursionDepth: var depth } && 897|| compilation.IsFeatureEnabled(MessageID.IDS_FeatureAutoDefaultStructs))) 1867if (compilation.TestOnlyCompilationData is NullableAnalysisData { Data: { } state }) 2068var conversionsWithoutNullability = this.compilation.Conversions; 2402if (isMaybeDefaultValue(valueType) && !allowUnconstrainedTypeParameterAnnotations(compilation)) 2984_returnTypesOpt.Add((node, result.ToTypeWithAnnotations(compilation))); 3062if (method.IsAsyncEffectivelyReturningGenericTask(compilation)) 3452var resultType = ResultType.ToTypeWithAnnotations(compilation); 3574type = valueType.ToAnnotatedTypeWithAnnotations(compilation); 3871var collectionKind = ConversionsBase.GetCollectionExpressionTypeKind(this.compilation, collectionType, out var targetElementType); 4480var lvalueType = resultType.ToTypeWithAnnotations(compilation); 4558arg.ToTypeWithAnnotations(compilation)); 4672placeholderBuilder.Add(CreatePlaceholderIfNecessary(expressionNoConversion, expressionType.ToTypeWithAnnotations(compilation))); 4701inferredType = TypeWithState.Create(inferredType.Type, elementState).ToTypeWithAnnotations(compilation); 4863TypeSymbol.Equals(node.Indices[0].Type, compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.ConsiderEverything2)) 5132SetResult(binary, inferredResult, inferredResult.ToTypeWithAnnotations(compilation)); 6026BoundExpression consequencePlaceholder = CreatePlaceholderIfNecessary(consequence, consequenceRValue.ToTypeWithAnnotations(compilation)); 6027BoundExpression alternativePlaceholder = CreatePlaceholderIfNecessary(alternative, alternativeRValue.ToTypeWithAnnotations(compilation)); 6386var isStaticEqualsMethod = method.Equals(compilation.GetSpecialTypeMember(SpecialMember.System_Object__EqualsObjectObject)) 6387|| method.Equals(compilation.GetSpecialTypeMember(SpecialMember.System_Object__ReferenceEquals)); 6389isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_Collections_Generic_IEqualityComparer_T__Equals)) 6397.Equals(compilation.GetSpecialTypeMember(SpecialMember.System_Object__Equals)); 6400isWellKnownEqualityMethodOrImplementation(compilation, method, receiverType.Type, WellKnownMember.System_IEquatable_T__Equals))) 6541return method.Equals(compilation.GetWellKnownTypeMember(WellKnownMember.System_Threading_Interlocked__CompareExchange), SymbolEqualityComparer.ConsiderEverything.CompareKind) 6542|| method.OriginalDefinition.Equals(compilation.GetWellKnownTypeMember(WellKnownMember.System_Threading_Interlocked__CompareExchange_T), SymbolEqualityComparer.ConsiderEverything.CompareKind); 6620else if (method.OriginalDefinition == compilation.GetSpecialTypeMember(SpecialMember.System_Nullable_T_get_Value)) 7608var varType = worstCaseParameterWithState.ToAnnotatedTypeWithAnnotations(compilation); 7614SetAnalyzedNullability(discard, new VisitResult(parameterWithState, parameterWithState.ToTypeWithAnnotations(compilation)), isLvalue: true); 8045var argumentType = visitResult.RValueType.ToTypeWithAnnotations(compilation); 8079new ConstraintsHelper.CheckConstraintsArgs(compilation, _conversions, includeNullability: true, NoLocation.Singleton, diagnostics: null, template: CompoundUseSiteInfo<AssemblySymbol>.Discarded), 8485ImmutableArray<TypeWithAnnotations> elementTypesWithAnnotations = elementTypes.SelectAsArray(a => a.ToTypeWithAnnotations(compilation)); 8507tupleOpt.CheckConstraints(new ConstraintsHelper.CheckConstraintsArgs(compilation, _conversions, includeNullability: true, node.Syntax.Location, diagnostics: null), 8703compilation, 8759compilation, 8774compilation, 9557var visitResult = new VisitResult(resultType, resultType.ToTypeWithAnnotations(compilation)); 9608return compilation.GetSpecialType(SpecialType.System_Nullable_T).Construct(ImmutableArray.Create(underlying)); 9884arguments.Add(CreatePlaceholderIfNecessary(receiverOpt, receiverType.ToTypeWithAnnotations(compilation))); 10036var lvalueType = rightState.ToTypeWithAnnotations(compilation); 10245placeholderArgs.Add(CreatePlaceholderIfNecessary(right, rightResult.ToTypeWithAnnotations(compilation))); 10339_variables.SetType(local.LocalSymbol, operandType.ToAnnotatedTypeWithAnnotations(compilation)); 10461expr = CreatePlaceholderIfNecessary(expr, rightResult.ToTypeWithAnnotations(compilation)); 10544var operandTypeWithAnnotations = operandType.ToTypeWithAnnotations(compilation); 10874if (getMethod == compilation.GetSpecialTypeMember(SpecialMember.System_Nullable_T_get_Value)) 10878if (getMethod == compilation.GetSpecialTypeMember(SpecialMember.System_Nullable_T_get_HasValue)) 10892var getValue = (MethodSymbol)compilation.GetSpecialTypeMember(SpecialMember.System_Nullable_T_get_Value); 10985targetTypeWithAnnotations = resultTypeWithState.ToTypeWithAnnotations(compilation); 10995else if (ForEachLoopBinder.IsIEnumerableT(collectionExpression.Type.OriginalDefinition, isAsync, compilation)) 11000targetTypeWithAnnotations = TypeWithAnnotations.Create(ForEachLoopBinder.GetIEnumerableOfT(resultType, isAsync, compilation, ref discardedUseSiteInfo, out bool foundMultiple, needSupportForRefStructInterfaces: out _)); 11032SetAnalyzedNullability(collectionExpression, new VisitResult(convertedResult, convertedResult.ToTypeWithAnnotations(compilation))); 11064NamedTypeSymbol spanType = compilation.GetWellKnownType(wellKnownSpan); 11132TypeWithAnnotations sourceType = sourceState.ToTypeWithAnnotations(compilation); 11177destinationType = sourceState.ToAnnotatedTypeWithAnnotations(compilation); 11908new VisitResult(result, result.ToTypeWithAnnotations(compilation)), 12059TypeWithAnnotations elementType = InMethodBinder.GetIteratorElementTypeFromReturnType(compilation, RefKind.None,

387var expressionTypeWithAnnotations = expressionTypeWithState.ToTypeWithAnnotations(compilation); 684var inferredType = value.ToTypeWithAnnotations(compilation, asAnnotatedType: boundLocal.DeclarationKind == BoundLocalDeclarationKind.WithInferredType); 942placeholderBuilder.Add(CreatePlaceholderIfNecessary(expression, armType.ToTypeWithAnnotations(compilation)));