416this.Type = type; 422this.Type = type;

920RoslynDebug.Assert(expression.Type is object); 921return expression.Type;

938Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 965if ((expr.ConstantValueOpt != null) || (expr.Type.GetSpecialTypeSafe() == SpecialType.System_Void)) 1155getItemOrSliceHelper = getItemOrSliceHelper.AsMember(getItemOrSliceHelper.ContainingType.Construct(ImmutableArray.Create(elementAccess.Expression.Type.TryGetInlineArrayElementField().TypeWithAnnotations))); 1230indices[0].Type, 1268Error(diagnostics, ErrorCode.ERR_BadSKunknown, expr.Syntax, expr.Type, MessageID.IDS_SK_TYPE.Localize()); 1938&& receiver?.Type?.IsValueType == true; 2172if (receiver is BoundObjectOrCollectionValuePlaceholder && receiver.Type.IsAnonymousType) 2334if (methodInvocationInfo.MethodInfo.Method?.RequiresInstanceReceiver == true && methodInvocationInfo.Receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2557if (receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2668Debug.Assert(receiver.Type is { }); 2673Debug.Assert(receiver is not BoundValuePlaceholderBase && method is not null && receiver.Type?.IsReferenceType == false); 2678receiver = new BoundCapturedReceiverPlaceholder(receiver.Syntax, receiver, receiver.Type).MakeCompilerGenerated(); 2772if (receiver.Type is TypeParameterSymbol typeParameter) 3011if (argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3071if (argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3207&& argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3671Debug.Assert(expr.Type is not null); 3703if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 3977Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 3992if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 4357if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 4766RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 5037Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 5058if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 5126Error(diagnostics, inUnsafeRegion ? ErrorCode.WRN_EscapeStackAlloc : ErrorCode.ERR_EscapeStackAlloc, node, expr.Type); 5385Error(diagnostics, ErrorCode.ERR_CollectionExpressionEscape, node, expr.Type); 5571RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 5744TypeWithAnnotations.Create(elementAccess.Expression.Type), 5784TypeWithAnnotations.Create(inlineArray.Type),

66return new BoundRangeVariable(node, qv, translation, translation.Type); 74var receiverType = receiver.Type as NamedTypeSymbol; 80if (receiver.Type?.IsErrorType() != true) 96LookupMembersWithFallback(lookupResult, receiver.Type, name, 0, ref useSiteInfo, basesBeingResolved: null, options: options);

214TypeSymbol? expressionType = expression.Type;

847RoslynDebug.Assert(node.Type is object); 848var typedConstantKind = node.Type.GetAttributeParameterTypedConstantKind(_binder.Compilation); 901return new TypedConstant(spread.Expression.Type, TypedConstantKind.Error, value: null); 920var operandType = operand.Type; 1023var type = node.Type;

32var placeholder = new BoundAwaitableValuePlaceholder(expression.Syntax, expression.Type); 87var type = expression.Type; 281Debug.Assert(TypeSymbol.Equals(expression.Type, getAwaiterArgument.Type, TypeCompareKind.ConsiderEverything)); 317TypeSymbol awaiterType = getAwaiter.Type!; 318return GetIsCompletedProperty(awaiterType, node, expression.Type!, diagnostics, out isCompleted) 320&& GetGetResultMethod(getAwaiter, node, expression.Type!, diagnostics, out getResult, out getAwaiterGetResultCall) 345if (expression.Type is not NamedTypeSymbol { Arity: 0 or 1 } exprType) 372placeholder = new BoundAwaitableValuePlaceholder(expression.Syntax, expression.Type); 563if (expression.Type is null) 585RoslynDebug.Assert(expression.Type is object); 586if (expression.Type.IsVoidType()) 602Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 615Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 706var awaiterType = awaiterExpression.Type;

77else if (source.Type is not null && filterConversion(conversion, result)) 79var placeholder2 = new BoundValuePlaceholder(source.Syntax, source.Type); 161RoslynDebug.Assert(source.Type is object); 165if (!isCast && source.Type.Equals(destination, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)) 255TypeSymbol? type = source.Type; 300Debug.Assert(source.Type is null); 334source.Type is { } sourceType && 383switch (source.Type?.IsNullableType()) 388new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 415else if (source.Type?.IsNullableType() == true) 419new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 437if (source.Type?.TryGetElementTypesWithAnnotationsIfTupleType(out sourceTypes) == true && 523Debug.Assert(source.Type is { }); 525FieldSymbol? elementField = source.Type.TryGetInlineArrayElementField(); 558CheckInlineArrayTypeIsSupported(syntax, source.Type, elementField.Type, diagnostics); 562Debug.Assert(source.Type is not null); 571if (source.Type is ArrayTypeSymbol) 582if (source.Type.IsSpan()) 586TryFindImplicitOperatorFromSpan(source.Type.OriginalDefinition, destination.OriginalDefinition), 587source.Type.OriginalDefinition, 594if (source.Type.IsSpan() || source.Type.IsReadOnlySpan()) 597if (NeedsSpanCastUp(source.Type, destination)) 602TypeSymbol sourceForCastUp = source.Type.IsSpan() 604: source.Type.OriginalDefinition; 615.Construct([((NamedTypeSymbol)source.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0]]) 621if (source.Type.IsStringType()) 799unconvertedSource.Type, 1955Debug.Assert(methodGroup.ReceiverOpt.Type is not null); 2025diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, syntax, methodGroup.ReceiverOpt.Type); 2090TypeSymbol? receiverType = methodGroup.ReceiverOpt.Type; 2495Debug.Assert(targetTyped || destination.IsErrorType() || destination.Equals(source.Type, TypeCompareKind.ConsiderEverything)); 2514source.Syntax, source.Type, targetTyped, source.Expression, newSwitchArms, source.ReachabilityDecisionDag, 2600Conversion toParameterTypeConversion = Conversions.ClassifyStandardConversion(convertedOperand.Type, conversionParameterType, ref useSiteInfo); 2752Debug.Assert(source.Type?.IsDynamic() != true); 3387RoslynDebug.Assert(receiverOpt.Type is object); 3389diagnostics.Add(ErrorCode.ERR_QueryNoProvider, node.Location, receiverOpt.Type, memberSymbol.Name); 3407RoslynDebug.Assert(receiverOpt.Type is object); 3408diagnostics.Add(ErrorCode.ERR_BadAwaitArg, node.Location, receiverOpt.Type); 3543(Conversions.ConvertExtensionMethodThisArg(GetReceiverParameter(method)!.Type, receiverOpt!.Type, ref useSiteInfo, isMethodGroupConversion: true).Exists && useSiteInfo.Diagnostics.IsNullOrEmpty()));

122if ((object?)boundRHS.Type == null || boundRHS.Type.IsErrorType()) 128var type = boundRHS.Type ?? voidType; 143boundRHS.Type, 158Debug.Assert(hasErrors || lhsTuple.Type is object); 159TypeSymbol returnType = hasErrors ? CreateErrorType() : lhsTuple.Type!; 227else if ((object?)boundRHS.Type == null) 323Debug.Assert(single.Type is not null); 325nestedConversion = this.Conversions.ClassifyConversionFromType(tupleOrDeconstructedTypes[i], single.Type, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 331GenerateImplicitConversionError(diagnostics, Compilation, single.Syntax, nestedConversion, tupleOrDeconstructedTypes[i], single.Type); 338nestedConversion, isCast: false, conversionGroupOpt: null, InConversionGroupFlags.Unspecified, single.Type, diagnostics))); 359if ((object?)pending.Type != null) 423Debug.Assert((object?)variables[i].Single!.Type != null); 483TypeSymbol? mergedType = element.Type; 504if ((object?)variable.Single.Type != null) 507mergedType = variable.Single.Type; 571typesWithAnnotationsBuilder.Add(TypeWithAnnotations.Create(value.Type)); 624if (receiver.Type?.IsDynamic() ?? false) 720if (receiver.Type?.IsErrorType() == false) 722Error(diagnostics, ErrorCode.ERR_MissingDeconstruct, rightSyntax, receiver.Type, numParameters);

223TypeSymbol resultType = expr.Type; 321var commonType = expr.Type; 401case BoundStackAllocArrayCreation { Type: null } boundStackAlloc: 602TypeSymbol exprType = expr.Type; 1022subExpressions.SelectAsArray(e => TypeWithAnnotations.Create(e.Type)), 1079if (boundArgument.Type?.SpecialType == SpecialType.System_Void) 1089var elementTypeWithAnnotations = TypeWithAnnotations.Create(boundArgument.Type); 1288if ((object)argument.Type != null && argument.Type.IsRestrictedType()) 1291Error(diagnostics, ErrorCode.ERR_MethodArgCantBeRefAny, node, argument.Type); 1746type: expression.Type, 2669(object)operand.Type != null && 2670!operand.Type.IsNullableType() && 2671!TypeSymbol.Equals(targetType.GetNullableUnderlyingType(), operand.Type, TypeCompareKind.ConsiderEverything2)) 2692if ((object)boundOperand.Type != null && boundOperand.Type.IsNullableType()) 2771if (left?.Type.IsNullableType() == true || right?.Type.IsNullableType() == true) 2799if (boundOperand.Type?.IsNullableType() == true) 2891SymbolDistinguisher distinguisher1 = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 2940case BoundKind.UnconvertedConditionalOperator when operand.Type is null: 2941case BoundKind.UnconvertedSwitchExpression when operand.Type is null: 2965Debug.Assert((object)operand.Type != null); 2966SymbolDistinguisher distinguisher = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 3007Debug.Assert((object)operand.Type != null && !operand.Type.IsNullableType()); 3013var underlyingConversion = Conversions.ClassifyBuiltInConversion(operand.Type, underlyingTargetTypeWithAnnotations.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 3869Debug.Assert(receiver!.Type is not null); 3871placeholderType = receiver.Type; 4317if ((object)boundExpression.Type == null || !boundExpression.Type.IsErrorType()) 4401Debug.Assert(init.Type.IsErrorType()); 4823if (constantValue == null || constantValue.IsBad || expression.Type.SpecialType != SpecialType.System_Int32) 4846var type = expression.Type.SpecialType; 5422Debug.Assert(expression.Type is { }); 5424var expressionPlaceholder = new BoundCollectionExpressionSpreadExpressionPlaceholder(syntax.Expression, expression.Type); 5436_ = expression.Type.HasInlineArrayAttribute(out int length); 5478if (arg.Type is { TypeKind: TypeKind.Dynamic }) 5627else if ((object)argument.Type == null) 5639else if (argument.Type.TypeKind == TypeKind.Delegate) 5641var sourceDelegate = (NamedTypeSymbol)argument.Type; 5645if (ReportDelegateInvokeUseSiteDiagnostic(diagnostics, argument.Type, node: node)) 5906Debug.Assert((object)boundLeft.Type != null); 5915type: boundLeft.Type, 6200type: boundMember.Type, 6613({ Type: null } or BoundLiteral or BoundUnconvertedInterpolatedString or BoundBinaryOperator { IsUnconvertedInterpolatedStringAddition: true }) && 7763leftType = BindRangeVariable(left, (RangeVariableSymbol)leftSymbol, BindingDiagnosticBag.Discarded).Type; 7778if (TypeSymbol.Equals(boundType.Type, leftType, TypeCompareKind.AllIgnoreOptions)) 7790Debug.Assert(leftType.Equals(boundValue.Type, TypeCompareKind.ConsiderEverything)); 7808TypeSymbol.Equals(BindNamespaceOrType(id, BindingDiagnosticBag.Discarded).Type, type, TypeCompareKind.AllIgnoreOptions); 7918TypeSymbol leftType = boundLeft.Type; 7956leftType = boundLeft.Type; 8200Error(diagnostics, ErrorCode.WRN_DotOnDefault, node, boundLeft.Type); 8327var leftType = boundLeft.Type; 8462if ((object)boundLeft.Type == null) 8471Error(diagnostics, ErrorCode.ERR_NoSuchMember, name, boundLeft.Type, plainName); 8473else if (WouldUsingSystemFindExtension(boundLeft.Type, plainName)) 8475Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtensionNeedUsing, name, boundLeft.Type, plainName, "System"); 8477else if (boundLeft.Kind == BoundKind.AwaitableValuePlaceholder && boundLeft.Type.IsIAsyncEnumerableType(Compilation)) 8479Error(diagnostics, ErrorCode.ERR_NoAwaitOnAsyncEnumerable, name, boundLeft.Type, plainName); 8483Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtension, name, boundLeft.Type, plainName); 8773Debug.Assert(left.Type is not null); 8774Debug.Assert(!left.Type.IsDynamic()); 8868Debug.Assert(left.Type is not null); 9025errorInfo = new CSDiagnosticInfo(ErrorCode.ERR_ExtensionResolutionFailed, left.Type, memberName); 9059TypeSymbol? receiverType = left.Type; 9149if (arguments.Arguments is not [{ Type: TypeSymbol argType }]) 9193Debug.Assert(left.Type is not null); 9194Debug.Assert(!left.Type.IsDynamic()); 9195Debug.Assert(!left.Type.IsArray()); 9196Debug.Assert(left.Type.SpecialType != SpecialType.System_String); 9246Debug.Assert(receiver.Type is not null); 9290Debug.Assert(left.Type is not null); 9291Debug.Assert(!left.Type.IsDynamic()); 9292Debug.Assert(!left.Type.IsArray()); 9293Debug.Assert(left.Type.SpecialType != SpecialType.System_String); 9330Debug.Assert(receiver.Type is not null); 9332var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(receiver.Syntax, receiver.IsEquivalentToThisReference, receiver, receiver.Type).MakeCompilerGenerated(); 9426Debug.Assert(receiver.Type is not null); 9837TypeSymbol receiverType = receiver.Type; 10033if (receiverOpt is { Type: TypeParameterSymbol { AllowsRefLikeType: true } } && 10075bool isUsableAsField = eventSymbol.HasAssociatedField && this.IsAccessible(eventSymbol.AssociatedField, ref useSiteInfo, (receiver != null) ? receiver.Type : null); 10297if (!result.HasErrors && receiver.Type?.IsPointerOrFunctionPointer() == true) 10299Debug.Assert(receiver.Type?.IsFunctionPointer() != true, "There should have been an error reported for indexing into a function pointer."); 10333if ((object)expr.Type == null) 10354expr.Type.HasInlineArrayAttribute(out int length) && expr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 10366Debug.Assert(expr.Type.TryGetInlineArrayElementField() is not null); 10386{ Code: (int)ErrorCode.ERR_BadIndexLHS, Arguments: [TypeSymbol type] } && type.Equals(expr.Type, TypeCompareKind.ConsiderEverything)) 10513CheckInlineArrayTypeIsSupported(node, expr.Type, elementField.Type, diagnostics); 10564if (IsWellKnownSystemIndex(convertedIndex.Type, compilation)) 10612Debug.Assert((object)expr.Type != null); 10615var exprType = expr.Type; 10658var arrayType = (ArrayTypeSymbol)expr.Type; 10705var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(expr.Syntax, isEquivalentToThisReference: expr.IsEquivalentToThisReference, expr, expr.Type) { WasCompilerGenerated = true }; 10869Debug.Assert(expr.Type.IsPointerType()); 10870PointerTypeSymbol pointerType = (PointerTypeSymbol)expr.Type; 10917Debug.Assert((object?)expr.Type != null); 10923this.LookupMembersWithFallback(lookupResult, expr.Type, WellKnownMemberNames.Indexer, arity: 0, useSiteInfo: ref useSiteInfo, options: lookupOptions); 10956else if (expr.Type.SpecialType != SpecialType.System_String) 11261Debug.Assert(receiver.Type is not null); 11274var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(receiver.Syntax, isEquivalentToThisReference: receiver.IsEquivalentToThisReference, receiver, receiver.Type) { WasCompilerGenerated = true }; 11302Debug.Assert(indexerOrSliceAccess.Type is not null); 11312indexerOrSliceAccess.Type); 11496Debug.Assert(receiverPlaceholder.Type is not null); 11499Debug.Assert(receiverPlaceholder.Type is not null); 11500if (tryLookupLengthOrCount(syntax, receiverPlaceholder.Type, lookupResult, binder: this, out var lengthOrCountProperty, ref useSiteInfo, diagnostics)) 11864Debug.Assert(node.ReceiverOpt!.Type is not null); // extensions are only considered on member access 11895var substituted = (MethodSymbol?)extensionMember.GetReducedAndFilteredSymbol(typeArguments, receiver.Type, Compilation, checkFullyInferred: true); 11901else if (m.ReduceExtensionMethod(receiver.Type, Compilation) is { } reduced) 12080Debug.Assert(node.ReceiverOpt!.Type is not null); // extensions are only considered on member access 12106var substituted = (MethodSymbol?)extensionMember.GetReducedAndFilteredSymbol(typeArguments, receiver.Type, Compilation, checkFullyInferred: true); 12355var receiverType = receiver.Type; 12364var accessType = access.Type; 12503var receiverType = receiver.Type; 12534var receiverType = receiver.Type;

259((object?)expression.Type == null || !expression.Type.IsVoidType()))

219Debug.Assert(unconvertedInterpolatedString.Type?.SpecialType == SpecialType.System_String); 245Debug.Assert(unconvertedInterpolatedString.Parts.All(static part => part.Type is null or { SpecialType: SpecialType.System_String })); 259if (unconvertedInterpolatedString.Type.IsErrorType() || haveErrors || canLowerToStringConcatenation(parts)) 264return BindUnconvertedInterpolatedExpressionToFactory(unconvertedInterpolatedString, parts, (NamedTypeSymbol)unconvertedInterpolatedString.Type, factoryMethod: "Format", unconvertedInterpolatedString.Type, diagnostics); 272unconvertedInterpolatedString.Type, 304fillin.Value.Type?.SpecialType != SpecialType.System_String || 367unconvertedSource.Type, 397if (value.Type?.TypeKind == TypeKind.Dynamic) 433&& unconvertedInterpolatedString.Parts.All(p => p is not BoundStringInsert { Value.Type.TypeKind: TypeKind.Dynamic }); 436=> parts.All(p => p is BoundLiteral or BoundStringInsert { Value.Type.SpecialType: SpecialType.System_String, Alignment: null, Format: null }); 536expression.Type, 597unconvertedInterpolatedString.Type, 684if (value.Type is not null) 860if (insert.Value.Type is null) 887Debug.Assert(part is BoundLiteral { Type: { SpecialType: SpecialType.System_String }, ConstantValueOpt.IsString: true }); 955argumentsBuilder.Add(boundLiteral.Update(ConstantValue.Create(literalText), boundLiteral.Type));

285else if ((object)argument.Type == null && !argument.HasAnyErrors) 296else if (argument.Type.IsVoidType()) 350if ((object)boundExpression.Type != null && boundExpression.Type.IsDynamic()) 378else if (boundExpression.Type?.Kind == SymbolKind.FunctionPointerType) 565Debug.Assert(receiver.Type is not null); 566Error(diagnostics, ErrorCode.ERR_CannotDynamicInvokeOnExpression, receiver.Syntax, receiver.Type); 617Debug.Assert((object?)arg.Type != null); 620Error(diagnostics, ErrorCode.ERR_BadDynamicMethodArg, arg.Syntax, arg.Type); 881Debug.Assert(methodGroup.ReceiverOpt != null && (object)methodGroup.ReceiverOpt.Type != null); 883Error(diagnostics, ErrorCode.ERR_BadArgTypeDynamicExtension, syntax, methodGroup.ReceiverOpt.Type, methodGroup.Name); 1110if (!call.HasAnyErrors && call.ReceiverOpt != null && (object)call.ReceiverOpt.Type != null && !call.Method.IsExtensionBlockMember()) 1115if (call.ReceiverOpt.Type.IsRestrictedType() && !call.Method.ContainingType.IsInterface && !TypeSymbol.Equals(call.Method.ContainingType, call.ReceiverOpt.Type, TypeCompareKind.ConsiderEverything2)) 1117SymbolDistinguisher distinguisher = new SymbolDistinguisher(compilation, call.ReceiverOpt.Type, call.Method.ContainingType); 1133(object)dynInvoke.Expression.Type != null && 1134dynInvoke.Expression.Type.IsRestrictedType()) 1138Error(diagnostics, ErrorCode.ERR_BadDynamicMethodArg, dynInvoke.Expression.Syntax, dynInvoke.Expression.Type); 1426if (receiver is BoundValuePlaceholderBase || receiver?.Type is null or { IsReferenceType: true }) 1937receiver.Type.IsValueType && 2008Debug.Assert(typeOrValue.Type.Equals(boundValue.Type, TypeCompareKind.ConsiderEverything)); 2055var type = expr.Type as NamedTypeSymbol; 2110var methodContainer = (object)receiver != null && (object)receiver.Type != null 2111? receiver.Type 2353var methodContainer = expr.Type ?? this.ContainingType; 2561RoslynDebug.Assert(boundExpression.Type is FunctionPointerTypeSymbol); 2563var funcPtr = (FunctionPointerTypeSymbol)boundExpression.Type;

72Debug.Assert(left.Type is { }); 75var placeholder = new BoundValuePlaceholder(right.Syntax, left.HasDynamicType() ? left.Type : right.Type).MakeCompilerGenerated(); 76var finalDynamicConversion = this.Compilation.Conversions.ClassifyConversionFromExpression(placeholder, left.Type, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 78var conversion = (BoundConversion)CreateConversion(node, placeholder, finalDynamicConversion, isCast: true, conversionGroupOpt: null, InConversionGroupFlags.Unspecified, left.Type, diagnostics); 87left.Type, 88right.Type, 96left.Type, 267var leftType = left.Type; 340var leftType = left.Type; 383var leftType = left.Type; 434var leftType = left.Type; 780TypeSymbol type = operand.Type; 808Debug.Assert((object)left.Type != null && left.Type.IsDynamic() || (object)right.Type != null && right.Type.IsDynamic()); 832Error(diagnostics, ErrorCode.ERR_InvalidDynamicCondition, node.Left, left.Type, kind == BinaryOperatorKind.LogicalAnd ? "false" : "true"); 838Debug.Assert(left.Type is not TypeParameterSymbol); 952TypeSymbol leftType = left.Type; 953TypeSymbol rightType = right.Type; 988Debug.Assert(right.Type.SpecialType == SpecialType.System_String); 989var stringConstant = FoldBinaryOperator(node, BinaryOperatorKind.StringConcatenation, left, right, right.Type, diagnostics); 990return new BoundBinaryOperator(node, BinaryOperatorKind.StringConcatenation, BoundBinaryOperator.UncommonData.UnconvertedInterpolatedStringAddition(stringConstant), LookupResultKind.Empty, left, right, right.Type); 1191TypeSymbol leftType = left.Type; 1192TypeSymbol rightType = right.Type; 1309(object?)left.Type != null && left.Type.TypeKind == TypeKind.Delegate) 1313var conversion = this.Conversions.ClassifyConversionFromExpression(right, left.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 1315GenerateImplicitConversionError(diagnostics, right.Syntax, conversion, right, left.Type); 1343case (BoundKind.DefaultLiteral, _) when right.Type is TypeParameterSymbol: 1344Debug.Assert(!right.Type.IsReferenceType); 1345Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, right.Type); 1347case (_, BoundKind.DefaultLiteral) when left.Type is TypeParameterSymbol: 1348Debug.Assert(!left.Type.IsReferenceType); 1349Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, left.Type); 1367case LookupResultKind.OverloadResolutionFailure when operatorToken.Kind() is SyntaxKind.PlusToken && isReadOnlySpanOfByte(left.Type) && isReadOnlySpanOfByte(right.Type): 1441if ((object)left.Type != null && left.Type.SpecialType == SpecialType.System_Boolean && 1442(object)right.Type != null && right.Type.SpecialType == SpecialType.System_Boolean) 1444var constantValue = FoldBinaryOperator(node, kind | BinaryOperatorKind.Bool, left, right, left.Type, diagnostics); 1448resultKind: LookupResultKind.Viable, left, right, type: left.Type, hasErrors: constantValue != null && constantValue.IsBad); 1535Debug.Assert(resultLeft.Type.Equals(signature.LeftType, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 1536var operandPlaceholder = new BoundValuePlaceholder(resultLeft.Syntax, resultLeft.Type).MakeCompilerGenerated(); 1592var type = left.Type; 1609if (left.Type is not null) 1611CreateConversion(left.Syntax, new BoundValuePlaceholder(left.Syntax, left.Type).MakeCompilerGenerated(), implicitConversion, isCast: false, conversionGroupOpt: null, InConversionGroupFlags.Unspecified, booleanType, diagnostics); 2101if (left.Type is null && right.Type is null) 2361(object)operand.Type != null && 2362(operand.Type.SpecialType == SpecialType.System_UInt64 || isNuint(operand.Type))) 2414operand.Type is null) // GetUserDefinedOperators performs this check too, let's optimize early 2647return left.Type; 2650return right.Type; 2714BinaryOperatorKind newKind = kind.Operator().WithType(newLeftOperand.Type!.SpecialType); 3297var operandType = operand.Type; 3451var operandType = operand.Type; 3498Debug.Assert(operand.Type is not null); 3504operand.Type, 3541var operandType = operand.Type; 3693Debug.Assert(operand.Type is not null); 4099var operandType = operand.Type as PointerTypeSymbol; 4154TypeSymbol operandType = operand.Type; 4233if (receiver.Type.IsReferenceType) 4359if (isOperandNullOrNew || operand.Type?.IsErrorType() == true) 4387type: operand.Type!); 4441var underlyingType = operand.Type.GetEnumUnderlyingType()!; 4776if ((object)operand.Type == null && !operand.IsLiteralNull()) 4827TypeSymbol inputType = operand.Type; 4847inputType = operand.Type; 4877if (originalExpression.Type is not null && !originalExpression.Type.Equals(unionMatchingInputType.StrippedType(), TypeCompareKind.AllIgnoreOptions)) 4889node.Right, convertedExpression, constantValueOpt ?? ConstantValue.Bad, isUnionMatching: unionMatchingInputType is not null, inputType: unionMatchingInputType ?? inputType, convertedExpression.Type ?? inputType, hasErrors).MakeCompilerGenerated(); 5376if ((object)operand.Type == null) 5438Debug.Assert(operand.Type is null); 5439operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 5453var operandType = operand.Type; 5486operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 5665TypeSymbol optLeftType = leftOperand.Type; // "A" 5666TypeSymbol optRightType = rightOperand.Type; // "B" 5839TypeSymbol leftType = leftOperand.Type; 5857if (underlyingRightConversion.Exists && rightOperand.Type?.IsDynamic() != true) 5998TypeSymbol trueType = trueExpr.Type; 5999TypeSymbol falseType = falseExpr.Type;

538TypeSymbol? expressionType = expression.Type; 551Debug.Assert(expression.Type is { }); 553BoundPattern pattern = BindPattern(node.Pattern, ref unionType, expression.Type, permitDesignations: true, hasErrors, diagnostics, out bool hasUnionMatching, underIsPattern: true); 583Debug.Assert(expression.Type is object); 584diagnostics.Add(ErrorCode.ERR_IsPatternImpossible, node.Location, expression.Type); 601Debug.Assert(expression.Type is object); 602diagnostics.Add(ErrorCode.WRN_IsPatternAlways, node.Location, expression.Type); 782Debug.Assert(indexerAccess.Type is not null); 783sliceType = indexerAccess.Type; 871Debug.Assert(indexerAccess!.Type is not null); 872elementType = indexerAccess.Type; 984var convertedType = convertedExpression.Type ?? inputType; 1005if (originalExpression.Type is not null && !originalExpression.Type.Equals(unionMatchingInputType.StrippedType(), TypeCompareKind.AllIgnoreOptions)) 1099Debug.Assert(originalExpression is { Kind: BoundKind.TypeExpression, Type: { } }); 1100hasErrors |= CheckValidPatternType(patternExpression, unionType, inputType, originalExpression.Type, diagnostics: diagnostics); 1165if (convertedExpression.Type is null && constantValueOpt != ConstantValue.Null) 1207RoslynDebug.Assert(expression.Type is { }); 1208ConstantValue match = ExpressionOfTypeMatchesPatternType(Conversions, inputType, expression.Type, ref useSiteInfo, out _, operandConstantValue: null); 1240if (expression.Type?.SpecialType == SpecialType.System_String && inputType.IsSpanOrReadOnlySpanChar()) 1295(conversion.ConversionKind == ConversionKind.NoConversion && convertedExpression.Type?.IsErrorType() == true)) 1304if (!hasErrors && unionType is not null && !convertedExpression.HasErrors && constantValue is { IsBad: false } && expression.Type is not null) 2427var type = value.Type ?? inputType;

300Debug.Assert(state.fromExpression.Type is { }); 303ImmutableArray.Create(state.fromExpression), state.fromExpression.Type); 743else if (!yExpression.HasAnyErrors && yExpression.Type!.IsVoidType()) 745Error(d, ErrorCode.ERR_QueryRangeVariableAssignedBadValue, errorLocation, yExpression.Type!); 746Debug.Assert(yExpression.Type is { }); 747yExpression = new BoundBadExpression(yExpression.Syntax, LookupResultKind.Empty, ImmutableArray<Symbol?>.Empty, ImmutableArray.Create(yExpression), yExpression.Type); 808field2Value = new BoundBadExpression(field2Value.Syntax, LookupResultKind.Empty, ImmutableArray<Symbol?>.Empty, ImmutableArray.Create(field2Value), field2Value.Type, true); 828return e.Type ?? CreateErrorType(); 933Debug.Assert(receiver.Type is object || ultimateReceiver.Type is null); 934if ((object?)ultimateReceiver.Type == null) 968if (ultimateReceiver.Type.TypeKind == TypeKind.TypeParameter) 971Error(diagnostics, ErrorCode.ERR_BadSKunknown, ultimateReceiver.Syntax, ultimateReceiver.Type, MessageID.IDS_SK_TYVAR.Localize()); 979else if (receiver.Type!.IsVoidType())

45if (instanceArgument.Type.IsDynamic()) 52else if (ImplementsStandardQueryInterface(instanceArgument.Type, name, ref useSiteInfo)) 57new object[] { instanceArgument.Type, name }, 60else if (fromClause != null && fromClause.Type == null && HasCastToQueryProvider(instanceArgument.Type, ref useSiteInfo)) 65new object[] { instanceArgument.Type, name, fromClause.Identifier.ValueText }, 73new object[] { instanceArgument.Type, name }, 238TypeSymbol receiverType = receiver?.Type;

407var type = boundExpr.Type; 764Debug.Assert(expr.Type is object); 765Debug.Assert(expr.Type.IsRefLikeType || hasAwait); // pattern dispose lookup is only valid on ref structs or asynchronous usings 1027TypeSymbol initializerType = initializerOpt?.Type; 1237TypeSymbol initializerType = initializerOpt.Type; 1253elementType = ((BoundAddressOfOperator)initializerOpt).Operand.Type; 1327if (initializer.Type.IsVoidType()) 1347additionalDiagnostics.Add(ErrorCode.WRN_PatternBadSignature, initializer.Syntax.Location, initializer.Type, "fixed", patternMethodSymbol); 1465var inferredType = op2.Type; 1491if (op1.Type is { } lhsType && !lhsType.IsErrorType()) 1539type = op1.Type; 1560Debug.Assert(op1.Type is { }); 1593Debug.Assert(leftEscape.Equals(rightEscape) || op1.Type.IsRefLikeOrAllowsRefLikeType()); 1627if (!hasErrors && op1.Type.IsRefLikeOrAllowsRefLikeType()) 1861Debug.Assert((object)receiver.Type != null); 1862return receiver.Type; 1988this.Conversions.ClassifyConversionFromType(expression.Type, targetType, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 2020expression.Type, 2480var sourceType = operand.Type; 3091hasErrors |= arg.HasErrors || ((object)arg.Type != null && arg.Type.IsErrorType()); 3166if ((object)arg?.Type != null && arg.Type.IsVoidType()) 3231&& TypeSymbol.Equals(argument.Type, this.GetCurrentReturnType(out unusedRefKind), TypeCompareKind.ConsiderEverything2)) 3234Error(diagnostics, ErrorCode.ERR_BadAsyncReturnExpression, argument.Syntax, returnType, argument.Type); 3583else if (expression.Type?.SpecialType == SpecialType.System_Void)

1522receiver = new BoundBadExpression(receiver.Syntax, LookupResultKind.Ambiguous, ImmutableArray<Symbol>.Empty, ImmutableArray.Create(receiver), receiver.Type, hasErrors: true).MakeCompilerGenerated(); 1531Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtension, right, receiver.Type, plainName); 1532receiver = new BoundBadExpression(receiver.Syntax, LookupResultKind.Empty, ImmutableArray<Symbol>.Empty, childBoundNodes: [AdjustBadExpressionChild(receiver)], receiver.Type, hasErrors: true).MakeCompilerGenerated();

85TypeSymbol leftType = left.Type; 86TypeSymbol rightType = right.Type; 112return new TupleBinaryOperatorInfo.Single(binary.Left.Type, binary.Right.Type, binary.OperatorKind, binary.BinaryOperatorMethod, binary.ConstrainedToType, 187Debug.Assert((object)left.Type != null && left.Type.IsDynamic() || (object)right.Type != null && right.Type.IsDynamic()); 209left = GiveTupleTypeToDefaultLiteralIfNeeded(left, right.Type); 210right = GiveTupleTypeToDefaultLiteralIfNeeded(right, left.Type); 224Debug.Assert((object)left.Type != null || left.Kind == BoundKind.TupleLiteral); 225Debug.Assert((object)right.Type != null || right.Kind == BoundKind.TupleLiteral); 254bool leftNullable = left.Type?.IsNullableType() == true; 255bool rightNullable = right.Type?.IsNullableType() == true; 362TypeSymbol type = expr.Type; 389TypeSymbol tupleType = expr.Type.StrippedType();

20var receiverType = receiver.Type;

594Debug.Assert(variableAccess.Type!.Equals(input.Type, TypeCompareKind.AllIgnoreOptions) || variableAccess.Type.IsErrorType()); 896Debug.Assert(constant.Value.Type is not null || constant.HasErrors); 897if (constant.Value.Type is { } type) 1176var type = rel.Value.Type ?? inputInfo.GetInputType();

558(builder.ElementType.IsPointerOrFunctionPointer() && collectionExpr.Type.IsArray()) || 559(builder.ElementType.IsNullableType() && builder.ElementType.GetMemberTypeArgumentsNoUseSiteDiagnostics().Single().IsErrorType() && collectionExpr.Type.IsArray())); 595(collectionConversionClassification.Kind == ConversionKind.ExplicitReference && collectionExpr.Type.SpecialType == SpecialType.System_String)); 665Debug.Assert(collectionType.Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions)); // Should not create an Identity conversion that changes type. 705else if (collectionExpr.Type.SpecialType == SpecialType.System_String && builder.CollectionType.SpecialType == SpecialType.System_Collections_IEnumerable) 723TypeSymbol collectionExprType = collectionExpr.Type; 800TypeSymbol collectionExprType = collectionExpr.Type; 839if (!isAsync && collectionExpr.Type?.HasInlineArrayAttribute(out _) == true && collectionExpr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 870diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 893builder.CollectionType = collectionExpr.Type; 910CheckInlineArrayTypeIsSupported(collectionExpr.Syntax, collectionExpr.Type, elementField.Type, diagnostics); 918diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 931(originalCollectionExpr.Type?.IsNullableType() == true && originalCollectionExpr.Type.StrippedType().Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions))); 942TypeSymbol collectionExprType = collectionExpr.Type; 982var unwrappedCollectionExprType = unwrappedCollectionExpr.Type; 1052builder.CollectionType = collectionExpr.Type; 1354getEnumeratorInfo = FindForEachPatternMethod(syntax, collectionSyntax, collectionExpr.Type, methodName, lookupResult, warningsOnly: true, diagnostics, isAsync); 1605diagnostics.Add(ErrorCode.WRN_PatternIsAmbiguous, collectionSyntax.Location, collectionExpr.Type, MessageID.IDS_Collection.Localize(),

40TypeSymbol? exprType = expr.Type;

289return placeholder.Type?.SpecialType == SpecialType.System_Int32; 583if (node.ExpressionOpt is { Type: { } } expr) 593if (node.Expression is { Type: { } } expr) 1356var elementType = ((NamedTypeSymbol)spanPlaceholder.Type!).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0];

138if (expr1.Type is { } type1) 153if (expr2.Type is { } type2)

493if (method.RequiresInstanceReceiver && methodGroup.Receiver?.Type?.IsRestrictedType() == true) 524Debug.Assert((object)sourceExpression.Type == null);

104var sourceType = sourceExpression.Type; 289if (TryGetVoidConversion(sourceExpression.Type, destination, out var conversion)) 609Debug.Assert(sourceExpression == null || (object)sourceExpression.Type == (object)source); 1048Debug.Assert(sourceExpression == null || (object)sourceExpression.Type == (object)source); 1090var innerConversion = ClassifyImplicitBuiltInConversionFromExpression(innerExpression, innerExpression.Type, destination, ref useSiteInfo); 1368if (constantValue == null || (object)source.Type == null) 1378var specialSource = source.Type.GetSpecialTypeSafe(); 1434var sourceType = sourceExpression.Type; 1477source.Type is object && 1478IsNumericType(source.Type) && 1939Debug.Assert(sourceExpressionOpt == null || (object)sourceExpressionOpt.Type == sourceType); 1976conversions.ClassifyImplicitExtensionMethodThisArgConversion(s, s.Type, d.Type, ref u, isMethodGroupConversion: false), 3065if (expressionToCheck.Type is TypeSymbol typeToCheck && IsRefLikeOrAllowsRefLikeTypeImplementingVarianceCompatibleInterface(typeToCheck, targetInterfaceType, ref useSiteInfo))

288var leftType = left.Type; 294var rightType = right.Type; 326Debug.Assert((object?)left.Type != null); 328Debug.Assert((object?)right.Type != null); 348if (left.Type.SpecialType != right.Type.SpecialType) 354if (left.Type.SpecialType == SpecialType.System_Int32 || 355left.Type.SpecialType == SpecialType.System_Boolean || 356left.Type.SpecialType == SpecialType.System_String)

78TypeSymbol leftOperatorSourceOpt = left.Type?.StrippedType(); 79TypeSymbol rightOperatorSourceOpt = right.Type?.StrippedType(); 373var leftType = left.Type; 375var rightType = right.Type; 517bool isExactSubtraction = TypeSymbol.Equals(right.Type?.StrippedType(), underlying, TypeCompareKind.ConsiderEverything2); 621var leftType = left.Type; 627var rightType = right.Type; 696var leftType = left.Type as PointerTypeSymbol; 697var rightType = right.Type as PointerTypeSymbol; 712if ((object)leftType != null || (object)rightType != null || left.Type is FunctionPointerTypeSymbol || right.Type is FunctionPointerTypeSymbol) 734if ((left.Type is TypeParameterSymbol { AllowsRefLikeType: true } && right.IsLiteralNull()) || 735(right.Type is TypeParameterSymbol { AllowsRefLikeType: true } && left.IsLiteralNull())) 754this.Compilation.BuiltInOperators.GetSimpleBuiltInOperators(kind, operators, skipNativeIntegerOperators: !left.Type.IsNativeIntegerOrNullableThereof() && !right.Type.IsNativeIntegerOrNullableThereof()); 769this.Compilation.BuiltInOperators.GetUtf8ConcatenationBuiltInOperator(left.Type, operators); 780BuiltInOperators.IsValidObjectEquality(conversions, left.Type, left.IsLiteralNull(), leftIsDefault: false, right.Type, right.IsLiteralNull(), rightIsDefault: false, ref useSiteInfo) && 781((object)left.Type == null || (!left.Type.IsDelegateType() && left.Type.SpecialType != SpecialType.System_String && left.Type.SpecialType != SpecialType.System_Delegate)) && 782((object)right.Type == null || (!right.Type.IsDelegateType() && right.Type.SpecialType != SpecialType.System_String && right.Type.SpecialType != SpecialType.System_Delegate)); 792return (operand.Type is TypeParameterSymbol { AllowsRefLikeType: true }) ? Conversion.Boxing : Conversions.ClassifyConversionFromExpression(operand, objectType, isChecked: isChecked, ref useSiteInfo); 1448if (left.Type?.IsNullableType() == true || right.Type?.IsNullableType() == true) // Wouldn't be applicable to the receiver type otherwise 1590if (left.Type is not null && parameterMatchesReceiver(in candidate, 0) && isOperandApplicableToReceiver(in candidate, left, ref useSiteInfo)) 1595if (!kind.IsShift() && right.Type is not null && parameterMatchesReceiver(in candidate, 1) && isOperandApplicableToReceiver(in candidate, right, ref useSiteInfo)) 1614Debug.Assert(operand.Type is not null); 1617if (candidate.Kind.IsLifted() && operand.Type.IsNullableType()) 1620!Conversions.ConvertExtensionMethodThisArg(MakeNullable(candidate.Method.ContainingType.ExtensionParameter.Type), operand.Type, ref useSiteInfo, isMethodGroupConversion: false).Exists) 1625else if (!Conversions.ConvertExtensionMethodThisArg(candidate.Method.ContainingType.ExtensionParameter.Type, operand.Type, ref useSiteInfo, isMethodGroupConversion: false).Exists)

99var operandType = operand.Type;

83Debug.Assert(operand.Type is not null); 89if (operand.Type.IsNullableType()) // Wouldn't be applicable to the receiver type otherwise 220Debug.Assert(operand.Type is not null); 225Debug.Assert(operand.Type.IsNullableType()); 228!Conversions.ConvertExtensionMethodThisArg(MakeNullable(candidate.Method.ContainingType.ExtensionParameter.Type), operand.Type, ref useSiteInfo, isMethodGroupConversion: false).Exists) 233else if (!Conversions.ConvertExtensionMethodThisArg(candidate.Method.ContainingType.ExtensionParameter.Type, operand.Type, ref useSiteInfo, isMethodGroupConversion: false).Exists) 514this.Compilation.BuiltInOperators.GetSimpleBuiltInOperators(kind, operators, skipNativeIntegerOperators: !operand.Type.IsNativeIntegerOrNullableThereof()); 553var enumType = operand.Type; 584var pointerType = operand.Type as PointerTypeSymbol; 615if ((object)operand.Type == null) 643return GetUserDefinedOperators(operand.Type.StrippedType(), kind, isChecked, name1, name2Opt, operand, results, ref useSiteInfo);

101if ((object?)argument.Type != null && argument.Type.IsDynamic() && (!hasRefKinds || RefKinds[i] == Microsoft.CodeAnalysis.RefKind.None))

381sb.AppendFormat("Argument types ({0})\n", string.Join(", ", from a in _arguments select a.Type)); 879if (argument.Kind == BoundKind.TupleLiteral && (object)argument.Type == null) 3307TypeSymbol source = argument.Type;

3272if ((object)node.Type != null && Conversions.HasIdentityConversion(node.Type, t)) 4733var argType = argument.Type; 4747Conversions.ClassifyImplicitExtensionMethodThisArgConversion(argument, argument.Type, parameterType, ref useSiteInfo, isMethodGroupConversion: isMethodGroupConversion) : 4748((!dynamicConvertsToAnything || !argument.Type.IsDynamic()) ?

545diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 685diagnostics.Add(ErrorCode.ERR_QueryNoProvider, location, receiverOpt.Type, symbol.Name); 693diagnostics.Add(ErrorCode.ERR_BadAwaitArg, location, receiverOpt.Type); 813new object[] { instanceArgument.Type, inferenceFailed.Member.Name }, 1171diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 1410=> argument is BoundLiteral { Type.SpecialType: SpecialType.System_String } && 1449diagnostics.Add(ErrorCode.ERR_QueryMultipleProviders, location, receiver.Type, name);

48protected TypeSymbol SwitchGoverningType => SwitchGoverningExpression.Type; 402var switchGoverningType = switchGoverningExpression.Type; 464Debug.Assert((object)switchGoverningExpression.Type == null || switchGoverningExpression.Type.IsVoidType());

156var type = @case.Value.Type; 193Debug.Assert(inputExpression.Type is not null); 204Debug.Assert(inputExpression.Type is not null); 205return inputExpression.Type; 211if (switchGoverningExpression.Type == (object?)null || switchGoverningExpression.Type.IsVoidType())

120if (expressionOpt.Type is not null) 122CheckRestrictedTypeInAsyncMethod(originalBinder.ContainingMemberOrLambda, expressionOpt.Type, diagnostics, expressionOpt.Syntax); 189TypeSymbol? type = fromExpression ? expressionOpt!.Type : declarationTypeOpt; 302(fromExpression ? expressionOpt!.Type : declarationTypeOpt)!.ContainingModule != originalBinder.Compilation.SourceModule)

23Debug.Assert(collectionBuilderElementsPlaceholder.Type is not null); 27Debug.Assert(collectionBuilderElementsPlaceholder.Type.IsReadOnlySpan());

17NarrowedType.Equals(Value.Type, TypeCompareKind.AllIgnoreOptions) || 23NarrowedType.Equals(Value.Type, TypeCompareKind.AllIgnoreOptions));

73return arrayAccess.Expression.Type; 77return arrayAccess.Expression.Type;

193var f = ValueSetFactory.ForType(input.Type);

93return this.Type is null; 150=> Type?.GetITypeSymbol(TopLevelNullability.FlowState.ToAnnotation());

126return node.Type is { }; 131var type = node.Type; 156if (expr.Type is { } type) 274TypeSymbol? receiverType = expressionOpt.Type;

16Debug.Assert(InvokedExpression.Type is FunctionPointerTypeSymbol); 17return (FunctionPointerTypeSymbol)InvokedExpression.Type;

18Debug.Assert(Argument.Type is 33if (Argument.Type.Name == "Range") 62Debug.Assert(((NamedTypeSymbol)Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0].Equals(Expression.Type?.TryGetInlineArrayElementField()?.TypeWithAnnotations ?? default, TypeCompareKind.ConsiderEverything)); 70Debug.Assert(Type.Equals(Expression.Type?.TryGetInlineArrayElementField()?.Type, TypeCompareKind.ConsiderEverything));

111return expression?.Type?.IsErrorType() == true;

15var leftType = LeftOperand.Type; 22return nullableUnderlying.Equals(RightOperand.Type);

17NarrowedType.Equals(Value.Type, TypeCompareKind.AllIgnoreOptions)); 22NarrowedType.Equals(Value.Type, TypeCompareKind.AllIgnoreOptions));

649public static BoundDagTemp ForOriginalInput(BoundExpression expr) => new BoundDagTemp(expr.Syntax, expr.Type!, source: null);

21RoslynDebug.Assert(this.Type is { }, $"Unexpected null type in {this.GetType().Name}"); 22return this.Type; 155=> (Type is null) ? FormattableStringFactory.Create("stackalloc {0}[{1}]", ElementType, Count.WasCompilerGenerated ? null : Count.Syntax.ToString()) : base.Display; 161=> (Type is null) ? MessageID.IDS_FeatureSwitchExpression.Localize() : base.Display;

394expression.Type?.SetUnknownNullabilityForReferenceTypes();

54if (addressKind == AddressKind.ReadOnly && !expression.Type.IsValueType && peVerifyCompatEnabled) 68var type = expression.Type; 229if (receiver?.Type.IsValueType == true)

41Debug.Assert(!expression.Type.IsReferenceType); 42Debug.Assert(!expression.Type.IsValueType || expression.Type.IsNullableType()); 65Debug.Assert(expression.Type.IsValueType || IsAnyReadOnly(addressKind), "'this' is readonly in classes"); 67if (expression.Type.IsValueType) 102Debug.Assert(operand.Type.IsPointerType()); 134var type = expression.Type; 331var value = this.AllocateTemp(expression.Type, expression.Syntax); 372if (!receiver.Type.IsReferenceType) 389TreatLongsAsNative(index.Type.PrimitiveTypeCode); 403if (((ArrayTypeSymbol)arrayAccess.Expression.Type).IsSZArray) 411_builder.EmitArrayElementAddress(_module.Translate((ArrayTypeSymbol)arrayAccess.Expression.Type), 504var receiverType = receiver.Type; 524EmitBox(receiver.Type, receiver.Syntax);

225TypeSymbol type = init.Type.EnumUnderlyingTypeOrSelf();

73Debug.Assert((operand.Type.IsArray()) && 142var fromType = conversion.Operand.Type; 245var fromType = conversion.Operand.Type; 261if (!conversion.Operand.Type.IsVerifierReference()) 263EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 293if (!conversion.Operand.Type.IsVerifierReference()) 295EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 321var fromType = conversion.Operand.Type; 368EmitSymbolToken(receiver.Type, receiver.Syntax); 374if (!receiver.Type.IsVerifierReference()) 376EmitBox(receiver.Type, receiver.Syntax);

52if ((object)expression.Type == null || 53(expression.Type.SpecialType != SpecialType.System_Decimal && 54!expression.Type.IsNullableType())) 56EmitConstantExpression(expression.Type, constantValue, used, expression.Syntax); 374EmitDefaultValue(node.Type, used, node.Syntax); 409var receiverType = receiver.Type; 522Debug.Assert(receiver.Type.IsNullableType()); 680EmitSymbolToken(expression.Operand.Type, expression.Operand.Syntax); 730Debug.Assert(refKind is RefKind.In || argument.Type.IsDynamic() || argument is BoundFieldAccess { FieldSymbol.RefKind: not RefKind.None }, "passing args byref should not clone them into temps"); 803EmitLoadIndirect(expression.Type, expression.Syntax); 812var meth = expression.MethodOpt ?? receiver.Type.DelegateInvokeMethod(); 1025if (((ArrayTypeSymbol)arrayAccess.Expression.Type).IsSZArray) 1112_builder.EmitArrayElementLoad(_module.Translate((ArrayTypeSymbol)arrayAccess.Expression.Type), arrayAccess.Expression.Syntax); 1143if (!field.IsVolatile && !field.IsStatic && fieldAccess.ReceiverOpt.Type.IsVerifierValue() && field.RefKind == RefKind.None) 1182if (fieldType.IsValueType && (object)fieldType == (object)receiver.Type) 1238if (receiver == null || !receiver.Type.IsValueType) 1249EmitSymbolToken(receiver.Type, receiver.Syntax); 1278if (!receiver.Type.IsVerifierValue()) 1330var type = expr.Type; 1521if (receiver.Type.IsTypeParameter()) 1526Debug.Assert(receiver.Type.IsVerifierReference(), "this is not a reference"); 1656Debug.Assert(TypeSymbol.Equals(method.ContainingType, receiver.Type, TypeCompareKind.ConsiderEverything2)); 1691EmitSymbolToken(receiver.Type, receiver.Syntax); 1858var receiverType = receiver.Type; 1948var receiverType = receiver.Type; 2008Debug.Assert(receiver.Type.IsVerifierReference()); 2019Debug.Assert(receiver.Type.IsVerifierReference()); 2045EmitSymbolToken(receiver.Type, receiver.Syntax); 2060var receiverType = receiver.Type; 2123var receiverType = receiver.Type; 2641var rightType = right.Type; 2697if (left.Kind == BoundKind.ArrayAccess && left.Type.TypeKind == TypeKind.TypeParameter && !left.Type.IsValueType) 2721EmitSymbolToken(target.Type, target.Syntax); 3100assignmentOperator.Left.Type, 3147var arrayType = (ArrayTypeSymbol)array.Type; 3161EmitIndirectStore(expression.Type, expression.Syntax); 3166EmitIndirectStore(expression.Type, expression.Syntax); 3172EmitIndirectStore(expression.Type, expression.Syntax); 3184EmitIndirectStore(expression.Type, expression.Syntax); 3189EmitIndirectStore(expression.Type, expression.Syntax); 3435Debug.Assert((object)operand.Type != null); 3436if (!operand.Type.IsVerifierReference()) 3439EmitBox(operand.Type, operand.Syntax); 3462var operandType = operand.Type; 3956if (!(expr.Type.IsInterfaceType() || expr.Type.IsDelegateType())) 3958return expr.Type; 4003return expr.Type; 4074temp = AllocateTemp(ptrInvocation.InvokedExpression.Type, ptrInvocation.Syntax);

305Debug.Assert(binOp.Left.Type.SpecialType == SpecialType.System_Boolean); 306Debug.Assert(binOp.Right.Type.SpecialType == SpecialType.System_Boolean); 314Debug.Assert(binOp.Left.Type.SpecialType == SpecialType.System_Boolean); 315Debug.Assert(binOp.Right.Type.SpecialType == SpecialType.System_Boolean); 331Debug.Assert(binOp.Left.Type.SpecialType == SpecialType.System_Boolean); 332Debug.Assert(binOp.Right.Type.SpecialType == SpecialType.System_Boolean); 337Debug.Assert(binOp.Left.Type.SpecialType == SpecialType.System_Boolean); 338Debug.Assert(binOp.Right.Type.SpecialType == SpecialType.System_Boolean); 343Debug.Assert(binOp.Left.Type.SpecialType == SpecialType.System_Boolean); 344Debug.Assert(binOp.Right.Type.SpecialType == SpecialType.System_Boolean); 375if (comparand is BoundConversion { Type.SpecialType: SpecialType.System_Object, ConversionKind: ConversionKind.Boxing, Operand.Type: TypeParameterSymbol { AllowsRefLikeType: true } } && 458var comparandType = comparand.Type; 472var comparandType = comparand.Type; 496Debug.Assert(condition.Type.SpecialType == SpecialType.System_Boolean); 531Debug.Assert(condition.Type.SpecialType == SpecialType.System_Boolean); 654enumType = expression.Left.Type; 659Debug.Assert(TypeSymbol.Equals(expression.Left.Type, expression.Right.Type, TypeCompareKind.ConsiderEverything2)); 664enumType = expression.Right.Type; 786return IsUnsigned(Binder.GetEnumPromotedType(op.Left.Type.GetEnumUnderlyingType().SpecialType)); 789return IsUnsigned(Binder.GetEnumPromotedType(op.Right.Type.GetEnumUnderlyingType().SpecialType));

178var exprType = thrown.Type; 252var nonConstType = nonConstOp.Type; 530var receiverType = receiver.Type; 589Debug.Assert((object)operand.Type != null); 590if (!operand.Type.IsVerifierReference()) 593EmitBox(operand.Type, operand.Syntax); 610var conditionType = condition.Type; 925_module.Translate(expressionOpt.Type, boundReturnStatement.Syntax, _diagnostics.DiagnosticBag); 1150if (!exceptionSourceOpt.Type.IsVerifierReference()) 1152Debug.Assert(exceptionSourceOpt.Type.IsTypeParameter()); // only expecting type parameters 1154EmitSymbolToken(exceptionSourceOpt.Type, exceptionSourceOpt.Syntax); 1181Debug.Assert(!left.ReceiverOpt.Type.IsTypeParameter()); 1192var temp = AllocateTemp(exceptionSource.Type, exceptionSource.Syntax); 1259Debug.Assert((object)dispatch.Expression.Type != null); 1260Debug.Assert(dispatch.Expression.Type.IsValidV6SwitchGoverningType() || dispatch.Expression.Type.IsSpanOrReadOnlySpanChar()); 1263Debug.Assert(!dispatch.Expression.Type.IsNullableType()); 1282Debug.Assert((object)expression.Type != null && 1283(expression.Type.IsValidV6SwitchGoverningType() || expression.Type.IsSpanOrReadOnlySpanChar())); 1328temp = AllocateTemp(expression.Type, expression.Syntax); 1335expression.Type.SpecialType == SpecialType.System_String || expression.Type.IsSpanOrReadOnlySpanChar()); 1338if (expression.Type.SpecialType == SpecialType.System_String || expression.Type.IsSpanOrReadOnlySpanChar()) 1342this.EmitStringSwitchJumpTable(switchCaseLabels, fallThroughLabel, key, expression.Syntax, expression.Type); 1346this.EmitLengthBasedStringSwitchJumpTable(lengthBasedSwitchStringJumpTableOpt, fallThroughLabel, key, expression.Syntax, expression.Type); 1351_builder.EmitIntegerSwitchJumpTable(switchCaseLabels, fallThroughLabel, key, expression.Type.EnumUnderlyingTypeOrSelf().PrimitiveTypeCode, expression.Syntax);

609node.Type); 950right.Type.IsVerifierValue() && 973node.Left.Type.Equals(node.Right.Type, TypeCompareKind.AllIgnoreOptions) || 1029left.Type.Equals(((PointerTypeSymbol)right.Type).PointedAtType, TypeCompareKind.AllIgnoreOptions); 1046Debug.Assert(lhs.Type.IsValueType, "'this' is assignable only in structs"); 1206var receiverType = receiver.Type; 1241var receiverType = receiver.Type; 1359if (receiver.Type.IsTypeParameter()) 1368if (receiver.Type.IsValueType && ( 1671PushEvalStack(new BoundDefaultExpression(node.Syntax, node.Operand.Type), ExprContext.Value);

2298Debug.Assert(result is { Type: not null } || runtimeAwaitCall is { Type: not null }); 2299var returnType = result?.Type ?? runtimeAwaitCall!.Type;

2062type = boundExpr.Type; 2181convertedType = highestBoundExpr.Type; 2187convertedType = highestBoundExpr.Type; 2276static (TypeSymbol, NullabilityInfo) getTypeAndNullability(BoundExpression expr) => (expr.Type, expr.TopLevelNullability); 3388else if (expr.Type.IsDelegateType()) 3705var thisParam = GetThisParameter(boundNode.Type, containingType, containingMember, out resultKind); 3834symbols = OneOrMany.Create<Symbol>(new SynthesizedIntrinsicOperatorSymbol(unaryOperator.Operand.Type.StrippedType(), 3857TypeSymbol opType = increment.Operand.Type.StrippedType(); 3884((binaryOperator.Left.IsLiteralNull() && binaryOperator.Right.Type.IsNullableType()) || 3885(binaryOperator.Right.IsLiteralNull() && binaryOperator.Left.Type.IsNullableType())) && 3899binaryOperator.Left.Type, 3900binaryOperator.Right.Type, 4110TypeSymbol type = boundNode.Type; 4634if (node.SearchExtensions && receiver.Type is { } receiverType) 4776receiverType = call.ReceiverOpt.Type; 4780receiverType = call.Arguments[0].Type; 4810MethodSymbol reduced = method.ReduceExtensionMethod(receiver.Type, Compilation); 4825MethodSymbol reduced = method.ReduceExtensionMethod(receiverOpt.Type, Compilation);

1190return (bound as BoundTupleExpression)?.Type as NamedTypeSymbol;

360TypeSymbol system_Int32 = currentHashValue.Type!; 385NamedTypeSymbol constructedEqualityComparer = equalityComparerType.Construct(valueToHash.Type);

1381Translate(optArgList.Arguments[i].Type, syntaxNodeOpt, diagnostics));

644else if ((object)node.Type == null || node.Type.SpecialType != SpecialType.System_Boolean) 1675&& node.Type.SpecialType == SpecialType.System_Boolean) 2247(object)receiverOpt.Type != null && 2248!receiverOpt.Type.IsPrimitiveRecursiveStruct()); 2665&& conv.Operand.Type!.IsNonNullableValueType());

101if (!node.Expression.Type.IsValidV6SwitchGoverningType())

1078MayRequireTrackingReceiverType(receiver.Type); 1095MayRequireTrackingReceiverType(receiverOpt.Type) && 1096!receiverOpt.Type.IsPrimitiveRecursiveStruct(); 1334if (_emptyStructTypeCache.IsEmptyStructType(node.Type)) return true; 1547if (elementAccess.Expression.Type.HasInlineArrayAttribute(out int length) && 1551int slot = MakeMemberSlot(elementAccess.Expression, elementAccess.Expression.Type.TryGetInlineArrayElementField()); 2540if (refKind != RefKind.None && ((object)method == null || method.IsExtern) && arg.Type is TypeSymbol type)

436expr.Type?.Equals(result.RValueType.Type, TypeCompareKind.AllIgnoreOptions) == true ? result.RValueType.Type : expr.Type); 591Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2155receiver.Type is object; 2166TypeSymbol? nodeType = node.Type; 2202var operandType = operand.Type; 2220TypeSymbol.Equals(conv.Type, conv.Operand.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes): 3800Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4029collectionBuilderElementsPlaceholder.Type, 4894SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4952SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4957var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 5004Debug.Assert(node.Type is object); 5005if (IsEmptyStructType(node.Type)) 5010return GetOrCreatePlaceholderSlot(node, TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated)); 5328Debug.Assert(!node.Expression.Type!.IsValueType); 5342Binder.IsWellKnownSystemRange(node.Indices[0].Type, compilation)) 5661if (expr.Type is null) 5671TypeWithAnnotations.Create(expr.Type), 5685Debug.Assert(binary.Type!.SpecialType == SpecialType.System_Boolean); 5948var receiverType = conditional.Receiver.Type!; 5977if (slot > 0 && PossiblyNullableType(operand.Type)) 6047LearnFromNullTest(slot, expressionWithoutConversion.Type, ref state, markDependentSlotsNotNull: false); 6161node.Type?.ContainsErrorType() == true || 6162TypeSymbol.Equals(targetType.Type.GetNullableUnderlyingType(), node.Type, TypeCompareKind.AllIgnoreOptions)); 6168targetType = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 6460if (slot > 0 && receiver.Type?.IsNullableType() == true) 6461slot = GetNullableOfTValueSlot(receiver.Type, slot, out _); 6505TypeSymbol? refResultType = node.Type?.SetUnknownNullabilityForReferenceTypes(); 6571resultType ??= node.Type?.SetUnknownNullabilityForReferenceTypes(); 7803TrackAnalyzedNullabilityThroughConversionGroup(TypeWithState.Create(argument.Type, result.RValueType.State), argument as BoundConversion, argumentNoConversion); 7923completion(TypeWithAnnotations.Create(argument.Type)); 7952ApplyMemberPostConditions(receiverOpt?.Type, receiverSlot, method); 9116if (value.Type is null || value.Type.IsDynamic() || value.ConstantValueOpt != null) 9126value.Type.HasInlineArrayAttribute(out _) == true && 9127value.Type.TryGetInlineArrayElementField() is not null) 9267if (TypeAllowsConditionalState(targetType.Type) && TypeAllowsConditionalState(operand.Type)) 9415var tupleOpt = (NamedTypeSymbol?)node.Type; 10151if (canConvertNestedNullability && trackMembers && conversionOpt is { } && conversionOperand.Type.Equals(conversionOpt.Type, TypeCompareKind.AllIgnoreOptions)) 10904case BoundExpression arg when arg.Type is { TypeKind: TypeKind.Delegate }: 11018Debug.Assert(arg.Type is not null); 11019TypeSymbol argType = arg.Type; 11037Debug.Assert(arg.Type is not null); 11038TypeSymbol argType = arg.Type; 11218var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 11219var lvalueResult = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 11551receiverType: invocation.ReceiverOpt?.Type, 11717if (expr.Type is NamedTypeSymbol { IsTupleType: true } tupleType) 11835targetTypeOfOperandConversion = TypeWithAnnotations.Create(node.OperandConversion.Type, nullableAnnotation: NullableAnnotation.NotAnnotated); 12068SetResultType(node.Expression, TypeWithState.Create(node.Expression.Type, ResultType.State)); 12179var reinferenceResult = VisitArgumentsCore(node, receiver.Type, arguments, refKindsOpt, parameters, argsToParamsOpt, defaultArguments, 12503if (collectionExpression.Type!.SpecialType == SpecialType.System_Collections_IEnumerable) 12506targetTypeWithAnnotations = TypeWithAnnotations.Create(collectionExpression.Type); 12508else if (ForEachLoopBinder.IsIEnumerableT(collectionExpression.Type.OriginalDefinition, isAsync, compilation)) 12755var type = TypeWithAnnotations.Create(node.Type); 13270SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 13447SetResultType(expression, TypeWithState.Create(expression.Type, default)); 13481Debug.Assert(receiverOpt.Type is null || AreCloseEnough(receiverOpt.Type, resultTypeSymbol)); 13569SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13602Debug.Assert(node.Type is null || node.Type.IsErrorType() || node.Type.IsRefLikeType); 13618SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 13622Debug.Assert(node.Type is not null); 13623var type = VisitArrayInitialization(node.Type, initialization, node.HasErrors);

30LearnFromAnyNullPatterns(slot, expression.Type, hasUnionMatching, pattern); 281var originalInputType = node.Expression.Type; 1039var originalInputType = node.Expression.Type; 1109?? node.Type?.SetUnknownNullabilityForReferenceTypes();

221if (receiver.Type.IsStructType() && receiverSyntax.Span.OverlapsWith(RegionSpan))

474if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 502if (receiver != this.Receiver || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 534public new TypeSymbol Type => base.Type!; 571public new TypeSymbol Type => base.Type!; 600public new TypeSymbol? Type => base.Type; 635public new TypeSymbol Type => base.Type!; 672public new TypeSymbol Type => base.Type!; 708public new TypeSymbol Type => base.Type!; 738public new TypeSymbol Type => base.Type!; 775public new TypeSymbol Type => base.Type!; 810public new TypeSymbol Type => base.Type!; 845public new TypeSymbol Type => base.Type!; 880public new TypeSymbol Type => base.Type!; 915if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 946if (refKind != this.RefKind || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 974if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1011if (resultKind != this.ResultKind || symbols != this.Symbols || childBoundNodes != this.ChildBoundNodes || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1094public new TypeSymbol Type => base.Type!; 1142public new TypeSymbol Type => base.Type!; 1183public new TypeSymbol? Type => base.Type; 1220public new TypeSymbol Type => base.Type!; 1265public new TypeSymbol Type => base.Type!; 1305public new TypeSymbol Type => base.Type!; 1336public new TypeSymbol? Type => base.Type; 1379public new TypeSymbol Type => base.Type!; 1409public new TypeSymbol Type => base.Type!; 1444public new TypeSymbol Type => base.Type!; 1481public new TypeSymbol Type => base.Type!; 1515public new TypeSymbol Type => base.Type!; 1546public new TypeSymbol Type => base.Type!; 1577public new TypeSymbol Type => base.Type!; 1609public new TypeSymbol Type => base.Type!; 1641public new TypeSymbol Type => base.Type!; 1675public new TypeSymbol Type => base.Type!; 1735public new TypeSymbol Type => base.Type!; 1830public new TypeSymbol Type => base.Type!; 1870public new TypeSymbol Type => base.Type!; 1905public new TypeSymbol Type => base.Type!; 1943public new TypeSymbol Type => base.Type!; 1987if (leftOperand != this.LeftOperand || rightOperand != this.RightOperand || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 2014public new TypeSymbol? Type => base.Type; 2056public new TypeSymbol Type => base.Type!; 2094public new TypeSymbol Type => base.Type!; 2124public new TypeSymbol? Type => base.Type; 2154public new TypeSymbol Type => base.Type!; 2228public new TypeSymbol Type => base.Type!; 2268public new TypeSymbol Type => base.Type!; 2359public new TypeSymbol Type => base.Type!; 2401public new TypeSymbol Type => base.Type!; 2444public new TypeSymbol Type => base.Type!; 2481public new TypeSymbol Type => base.Type!; 2516public new TypeSymbol Type => base.Type!; 2554public new TypeSymbol Type => base.Type!; 2589public new TypeSymbol Type => base.Type!; 2624public new TypeSymbol Type => base.Type!; 2659public new TypeSymbol Type => base.Type!; 2694public new TypeSymbol Type => base.Type!; 2733public new TypeSymbol Type => base.Type!; 2775public new TypeSymbol Type => base.Type!; 2818public new TypeSymbol Type => base.Type!; 2849public new TypeSymbol? Type => base.Type; 2872public new TypeSymbol Type => base.Type!; 2906public new TypeSymbol Type => base.Type!; 2942public new TypeSymbol Type => base.Type!; 2976public new TypeSymbol Type => base.Type!; 3018public new TypeSymbol Type => base.Type!; 3057public new TypeSymbol Type => base.Type!; 3094public new TypeSymbol Type => base.Type!; 3123public new TypeSymbol? Type => base.Type; 3159public new TypeSymbol Type => base.Type!; 4371if (constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 4403public new TypeSymbol Type => base.Type!; 4439public new TypeSymbol Type => base.Type!; 4474public new TypeSymbol Type => base.Type!; 4509public new TypeSymbol Type => base.Type!; 4538public new TypeSymbol? Type => base.Type; 4583public new TypeSymbol Type => base.Type!; 4630public new TypeSymbol Type => base.Type!; 4663public new TypeSymbol Type => base.Type!; 4704public new TypeSymbol Type => base.Type!; 4849if (!Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(label, this.Label) || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 5012if (expression != this.Expression || switchArms != this.SwitchArms || reachabilityDecisionDag != this.ReachabilityDecisionDag || !Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(defaultLabel, this.DefaultLabel) || reportedNotExhaustive != this.ReportedNotExhaustive || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 5037public new TypeSymbol Type => base.Type!; 5814public new TypeSymbol? Type => base.Type; 5837if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 5863public new TypeSymbol Type => base.Type!; 5899public new TypeSymbol Type => base.Type!; 5936public new TypeSymbol Type => base.Type!; 5991public new TypeSymbol Type => base.Type!; 6025public new TypeSymbol Type => base.Type!; 6062public new TypeSymbol Type => base.Type!; 6105public new TypeSymbol Type => base.Type!; 6137public new TypeSymbol Type => base.Type!; 6254public new TypeSymbol Type => base.Type!; 6301public new TypeSymbol Type => base.Type!; 6343public new TypeSymbol Type => base.Type!; 6384public new TypeSymbol? Type => base.Type; 6424public new TypeSymbol Type => base.Type!; 6507public new TypeSymbol? Type => base.Type; 6581public new TypeSymbol Type => base.Type!; 6624if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6702public new TypeSymbol? Type => base.Type; 6739if (sourceTuple != this.SourceTuple || wasTargetTyped != this.WasTargetTyped || arguments != this.Arguments || argumentNamesOpt != this.ArgumentNamesOpt || inferredNamesOpt != this.InferredNamesOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6838public new TypeSymbol Type => base.Type!; 6893public new TypeSymbol Type => base.Type!; 6946public new TypeSymbol Type => base.Type!; 7013public new TypeSymbol Type => base.Type!; 7052public new TypeSymbol Type => base.Type!; 7088public new TypeSymbol Type => base.Type!; 7121public new TypeSymbol Type => base.Type!; 7163public new TypeSymbol Type => base.Type!; 7226public new TypeSymbol Type => base.Type!; 7260public new TypeSymbol Type => base.Type!; 7291public new TypeSymbol? Type => base.Type; 7346if (!TypeSymbol.Equals(elementType, this.ElementType, TypeCompareKind.ConsiderEverything) || count != this.Count || initializerOpt != this.InitializerOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7368public new TypeSymbol Type => base.Type!; 7402public new TypeSymbol Type => base.Type!; 7447public new TypeSymbol Type => base.Type!; 7481public new TypeSymbol Type => base.Type!; 7518public new TypeSymbol Type => base.Type!; 7562public new TypeSymbol Type => base.Type!; 7616public new TypeSymbol Type => base.Type!; 7659public new TypeSymbol Type => base.Type!; 7698public new TypeSymbol Type => base.Type!; 7740public new TypeSymbol? Type => base.Type; 7784public new TypeSymbol? Type => base.Type; 7822public new TypeSymbol Type => base.Type!; 7889public new TypeSymbol Type => base.Type!; 7940if (parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7968if (!interpolationData.Equals(this.InterpolationData) || parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7996if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 8026public new TypeSymbol Type => base.Type!; 8058public new TypeSymbol? Type => base.Type; 8113if (expression != this.Expression || pattern != this.Pattern || hasUnionMatching != this.HasUnionMatching || isNegated != this.IsNegated || reachabilityDecisionDag != this.ReachabilityDecisionDag || !Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(whenTrueLabel, this.WhenTrueLabel) || !Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(whenFalseLabel, this.WhenFalseLabel) || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 8773public new TypeSymbol? Type => base.Type; 8810if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 8832public new TypeSymbol? Type => base.Type; 8905public new TypeSymbol? Type => base.Type; 9003public new TypeSymbol? Type => base.Type; 9036if (originalExpression != this.OriginalExpression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 9061public new TypeSymbol Type => base.Type!; 11134TypeSymbol? type = this.VisitType(node.Type); 11140TypeSymbol? type = this.VisitType(node.Type); 11202TypeSymbol? type = this.VisitType(node.Type); 11207TypeSymbol? type = this.VisitType(node.Type); 11213TypeSymbol? type = this.VisitType(node.Type); 11220TypeSymbol? type = this.VisitType(node.Type); 11416TypeSymbol? type = this.VisitType(node.Type); 11834TypeSymbol? type = this.VisitType(node.Type); 11908TypeSymbol? type = this.VisitType(node.Type); 11937TypeSymbol? type = this.VisitType(node.Type); 12090TypeSymbol? type = this.VisitType(node.Type); 12232TypeSymbol? type = this.VisitType(node.Type); 12255TypeSymbol? type = this.VisitType(node.Type); 12366TypeSymbol? type = this.VisitType(node.Type); 12477TypeSymbol? type = this.VisitType(node.Type); 12483TypeSymbol? type = this.VisitType(node.Type); 12488TypeSymbol? type = this.VisitType(node.Type); 12511TypeSymbol? type = this.VisitType(node.Type); 12646TypeSymbol? type = this.VisitType(node.Type); 12692TypeSymbol? type = this.VisitType(node.Type); 12766updatedNode = node.Update(receiver, node.Type); 12949updatedNode = node.Update(expression, node.Type); 12967updatedNode = node.Update(node.ResultKind, node.Symbols, childBoundNodes, node.Type); 13344updatedNode = node.Update(leftOperand, rightOperand, node.Type); 14145updatedNode = node.Update(expression, switchArms, reachabilityDecisionDag, node.DefaultLabel, node.ReportedNotExhaustive, node.Type); 14240updatedNode = node.Update(expression, node.Type); 14602updatedNode = node.Update(sourceTuple, node.WasTargetTyped, arguments, node.ArgumentNamesOpt, node.InferredNamesOpt, node.Type); 14885updatedNode = node.Update(elementType, count, initializerOpt, node.Type); 15123updatedNode = node.Update(parts, node.ConstantValueOpt, node.Type); 15140updatedNode = node.Update(node.InterpolationData, parts, node.ConstantValueOpt, node.Type); 15202updatedNode = node.Update(expression, pattern, node.HasUnionMatching, node.IsNegated, reachabilityDecisionDag, node.WhenTrueLabel, node.WhenFalseLabel, node.Type); 15353updatedNode = node.Update(expression, node.Type); 15449updatedNode = node.Update(originalExpression, node.Type); 15512new TreeDumperNode("type", node.Type, null), 15520new TreeDumperNode("type", node.Type, null), 15609new TreeDumperNode("type", node.Type, null), 15617new TreeDumperNode("type", node.Type, null), 15625new TreeDumperNode("type", node.Type, null), 15635new TreeDumperNode("type", node.Type, null), 15908new TreeDumperNode("type", node.Type, null), 16472new TreeDumperNode("type", node.Type, null), 16574new TreeDumperNode("type", node.Type, null), 16611new TreeDumperNode("type", node.Type, null), 16805new TreeDumperNode("type", node.Type, null), 17031new TreeDumperNode("type", node.Type, null), 17065new TreeDumperNode("type", node.Type, null), 17231new TreeDumperNode("type", node.Type, null), 17398new TreeDumperNode("type", node.Type, null), 17408new TreeDumperNode("type", node.Type, null), 17415new TreeDumperNode("type", node.Type, null), 17448new TreeDumperNode("type", node.Type, null), 17620new TreeDumperNode("type", node.Type, null), 17680new TreeDumperNode("type", node.Type, null),

739TypeSymbol rewrittenSourceType = rewrittenSource.Type; 1095this.returnValue = returnValue = new SynthesizedLocal(containingMethod, TypeWithAnnotations.Create(valueOpt.Type), SynthesizedLocalKind.AsyncMethodReturnValue, _syntaxOpt);

379var awaiterTemp = F.SynthesizedLocal(getAwaiter.Type, syntax: node.Syntax, kind: SynthesizedLocalKind.Awaiter); 494Debug.Assert(awaiterFieldType.IsObjectType() || TypeSymbol.Equals(awaiterFieldType, awaiterTempRef.Type, TypeCompareKind.AllIgnoreOptions)); 536Debug.Assert(awaiterFieldRef.Type.IsObjectType() || TypeSymbol.Equals(awaiterTemp.Type, awaiterFieldRef.Type, TypeCompareKind.AllIgnoreOptions));

237F.Call(parameterProxy, WellKnownMember.System_Threading_CancellationToken__Equals, F.Default(parameterProxy.Type)),

133var nodeType = node.Expression.Type;

595Debug.Assert(TypeSymbol.Equals(result.Type, frameType, TypeCompareKind.ConsiderEverything2)); 710BoundExpression assignment = new BoundAssignmentOperator(syntax, left, right, left.Type); 803var assignToProxy = new BoundAssignmentOperator(syntax, left, value, value.Type); 1264rewrittenExceptionSource.Type);

119if (!node.Type.Equals(result.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)) 305if (!TypeSymbol.Equals(index.Type, _int32Type, TypeCompareKind.ConsiderEverything2)) 307index = ConvertIndex(index, arg.Type, _int32Type); 323if (!TypeSymbol.Equals(index.Type, _int32Type, TypeCompareKind.ConsiderEverything2)) 325index = ConvertIndex(index, arg.Type, _int32Type); 374if (node.Operand.IsLiteralNull() && (object)node.Operand.Type == null) 500if ((object)left.Type == null && left.IsLiteralNull()) 502left = _bound.Default(right.Type); 504if ((object)right.Type == null && right.IsLiteralNull()) 506right = _bound.Default(left.Type); 517var promotedType = PromotedType(enumOperand.Type.StrippedType().GetEnumUnderlyingType()); 570return Convert(loweredOperand, operand.Type, promotedType, isChecked, false); 710var operandType = node.Operand.Type; 719? Convert(Visit(node.Operand), node.Operand.Type, method.Parameters[0].Type, node.Checked, false) 735if (node.Operand.Type.IsNullableType()) 737return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 744var e1 = Convert(Visit(node.Operand), node.Operand.Type, intermediate, node.Checked, false); 750return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 774else if (!receiver.Type.IsReferenceType) 818var d = node.Argument.Type as NamedTypeSymbol; 839if ((object)operand.Type == null && operand.ConstantValueOpt != null && operand.ConstantValueOpt.IsNull) 910var fromType = leftPlaceholder.Type; 1111Debug.Assert(args.Type.IsSZArray()); 1169if (node.ReceiverOpt?.Type.IsTypeParameter() == true && 1170!node.ReceiverOpt.Type.IsReferenceType) 1240var promotedType = PromotedType(arg.Type.StrippedType().GetEnumUnderlyingType()); 1242loweredArg = Convert(loweredArg, arg.Type, promotedType, isChecked, false); 1262_bound.Typeof(node.Type, _bound.WellKnownType(WellKnownType.System_Type)));

66if (e != null && (object)e.Type != null && e.Type.IsPointerOrFunctionPointer()) NoteUnsafe(e); 93!node.Indices[0].Type.SpecialType.CanOptimizeBehavior()) 404expr.Type is TypeSymbol type &&

228Debug.Assert(TypeSymbol.Equals(expr1.Type, expr2.Type, TypeCompareKind.ConsiderEverything2)); 329if (node.Left.Type.SpecialType == SpecialType.System_Object && !IsExplicitCast(node.Left) && !(node.Left.ConstantValueOpt != null && node.Left.ConstantValueOpt.IsNull) && ConvertedHasEqual(node.OperatorKind, node.Right, out t)) 334else if (node.Right.Type.SpecialType == SpecialType.System_Object && !IsExplicitCast(node.Right) && !(node.Right.ConstantValueOpt != null && node.Right.ConstantValueOpt.IsNull) && ConvertedHasEqual(node.OperatorKind, node.Left, out t)) 355NamedTypeSymbol nt = conv.Operand.Type as NamedTypeSymbol; 446if (!conversion.Operand.Type.SpecialType.IsIntegralType() || !conversion.Type.SpecialType.IsIntegralType()) 451if (!Binder.CheckConstantBounds(conversion.Operand.Type.SpecialType, constantValue, out _)) 453Error(ErrorCode.WRN_VacuousIntegralComp, tree, conversion.Operand.Type); 611TypeSymbol from = conv.Operand.Type; 769Error(ErrorCode.WRN_NubExprIsConstBool, node, always, node.Left.Type.GetNullableUnderlyingType(), node.Left.Type); 773Error(ErrorCode.WRN_NubExprIsConstBool, node, always, node.Right.Type.GetNullableUnderlyingType(), node.Right.Type); 817Error(node.OperatorKind.IsUserDefined() ? ErrorCode.WRN_NubExprIsConstBool2 : ErrorCode.WRN_NubExprIsConstBool, node, always, node.Left.Type.GetNullableUnderlyingType(), GetTypeForLiftedComparisonWarning(node.Right)); 821Error(node.OperatorKind.IsUserDefined() ? ErrorCode.WRN_NubExprIsConstBool2 : ErrorCode.WRN_NubExprIsConstBool, node, always, node.Right.Type.GetNullableUnderlyingType(), GetTypeForLiftedComparisonWarning(node.Left)); 857if ((object)node.Type == null || !node.Type.IsNullableType()) 873return type ?? node.Type;

123Debug.Assert(receiverOpt.Type!.Equals(method.Parameters[0].Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes));

35if ((object)expr.Type == null) 40if (expr.Type.IsDynamic()) 45if (!expr.Type.IsNullableType()) 80if ((object)expr.Type == null && expr.ConstantValueOpt == ConstantValue.Null) 85if ((object)expr.Type == null || !expr.Type.IsNullableType()) 132if (expr.Type.IsNullableType() && expr.Type.GetNullableUnderlyingType().SpecialType != SpecialType.System_Boolean)

52(object)expression.Type != null && 53!expression.Type.IsVoidType())

483rewrittenFilter = AddConditionSequencePoint(new BoundSequencePointExpression(filterClause, rewrittenFilter, rewrittenFilter.Type), filterClause, factory); 495return new BoundSequencePointExpression(original.Syntax, base.InstrumentSwitchExpressionArmExpression(original, rewrittenExpression, factory), rewrittenExpression.Type);

173Debug.Assert(condition.Type is not null); 182var local = factory.SynthesizedLocal(condition.Type, synthesizedVariableSyntax, kind: SynthesizedLocalKind.ConditionalBranchDiscriminator); 187new BoundSequencePointExpression(syntax: null!, expression: factory.Local(local), type: condition.Type) : 195condition.Type);

577Debug.Assert(invocation.Type is not null); 587if (invocation.Type.SpecialType != SpecialType.System_Void)

130if (arguments is [.., { Type: { } lastArgumentType } lastArgument] &&

308_methodValue = F.SynthesizedLocal(result.Type);

264TypeSymbol? type = node.Type; 285Debug.Assert(visited == null || visited.HasErrors || ReferenceEquals(visited.Type, node.Type) || 286visited.Type is { } && visited.Type.Equals(node.Type, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || 307type: visited.Type); 522Debug.Assert(value.Type is { } && (value.Type.Equals(placeholder.Type, TypeCompareKind.AllIgnoreOptions) || value.HasErrors)); 587Debug.Assert(node.Type is { }); 588return BadExpression(node.Syntax, node.Type, ImmutableArray.Create(node)); 841var indexType = VisitType(node.Indices[0].Type); 850Debug.Assert(node.Expression.Type is { TypeKind: TypeKind.Array }); 851var elementType = ((ArrayTypeSymbol)node.Expression.Type).ElementTypeWithAnnotations; 1072Debug.Assert(eventAccess.ReceiverOpt.Type is { }); 1073return !eventAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(eventAccess.ReceiverOpt); 1083Debug.Assert(fieldAccess.ReceiverOpt.Type is { }); 1084return !fieldAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(fieldAccess.ReceiverOpt); 1168Debug.Assert(Conversions.IsValidExtensionMethodThisArgConversion(this._compilation.Conversions.ClassifyConversionFromType(receiver.Type, extensionParameter.Type, isChecked: false, ref discardedUseSiteInfo)));

173receiver.Type?.IsReferenceType == false && 746if (input.Type.IsValidV6SwitchGoverningType() || input.Type.IsSpanOrReadOnlySpanChar()) 752bool isStringInput = input.Type.SpecialType == SpecialType.System_String; 753bool isSpanInput = input.Type.IsSpanChar(); 754bool isReadOnlySpanInput = input.Type.IsReadOnlySpanChar(); 783else if (input.Type.IsNativeIntegerType) 788switch (input.Type.SpecialType) 811throw ExceptionUtilities.UnexpectedValue(input.Type); 821var lessThanOrEqualOperator = input.Type.SpecialType switch 826_ => throw ExceptionUtilities.UnexpectedValue(input.Type.SpecialType) 829var cases = node.Cases.Sort(new CasesComparer(input.Type));

214TypeSymbol inputType = input.Type; 228Conversion conversion = _factory.Compilation.Conversions.ClassifyBuiltInConversion(inputType, output.Type, isChecked: false, ref useSiteInfo); 237inputType.GetNullableUnderlyingType().Equals(output.Type, TypeCompareKind.AllIgnoreOptions) && 369Debug.Assert(input.Type is { }); 373return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullNotEqual : BinaryOperatorKind.NotEqual); 380return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullEqual : BinaryOperatorKind.Equal); 383Debug.Assert(!input.Type.IsNullableType()); 387Debug.Assert(!input.Type.IsNullableType()); 388Debug.Assert(input.Type.IsValueType); 398Debug.Assert(!rewrittenExpr.Type.IsSpanOrReadOnlySpanChar()); 400if (rewrittenExpr.Type.IsPointerOrFunctionPointer()) 418if (value.IsString && input.Type.IsSpanOrReadOnlySpanChar()) 423TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 432if (input.Type.SpecialType == SpecialType.System_Double && double.IsNaN(value.DoubleValue) || 433input.Type.SpecialType == SpecialType.System_Single && float.IsNaN(value.SingleValue)) 439BoundExpression literal = _localRewriter.MakeLiteral(syntax, value, input.Type); 440TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 468var isReadOnlySpan = input.Type.IsReadOnlySpanChar(); 510Debug.Assert(output.Type is { }); 512testExpression = _factory.ObjectNotEqual(output, _factory.Null(output.Type)); 546Debug.Assert(loweredInput.Type is { }); 587if (loweredInput.Type.IsTupleType && 588!loweredInput.Type.OriginalDefinition.Equals(_factory.Compilation.GetWellKnownType(WellKnownType.System_ValueTuple_TRest)) &&

51ConstantValue constantValue = Binder.GetAsOperatorConstantResult(rewrittenOperand.Type, rewrittenType, conversion.Kind, rewrittenOperand.ConstantValueOpt); 88Debug.Assert(result.Type!.Equals(rewrittenType, TypeCompareKind.ConsiderEverything));

403TypeSymbol? exprType = rewrittenRight.Type;

340Debug.Assert(loweredLeft.Type is { }); 341Debug.Assert(loweredRight.Type is { }); 343return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 346return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 354Debug.Assert(loweredLeft.Type is { }); 355Debug.Assert(loweredRight.Type is { }); 357return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 360return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 368Debug.Assert(loweredLeft.Type is { }); 369Debug.Assert(loweredRight.Type is { }); 371return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 374return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 577Debug.Assert(loweredLeft.Type is { }); 578whenNullOpt = RewriteLiftedBinaryOperator(syntax, operatorKind, _factory.Default(loweredLeft.Type), loweredRight, type, method, constrainedToTypeOpt); 588type: result.Type! 771conversion = _compilation.Conversions.ClassifyConversionFromType(loweredLeft.Type, parameterType, isChecked: operatorKind.IsChecked(), ref useSiteInfo); 909Debug.Assert(expression.Type is { }); 913if (expression.Type.IsNullableType()) 919UnsafeGetNullableMethod(syntax, expression.Type, SpecialMember.System_Nullable_T_GetValueOrDefault)); 932Debug.Assert(expression.Type is { }); 936if (expression.Type.IsNullableType()) 946Debug.Assert(expression.Type is { }); 951UnsafeGetNullableMethod(syntax, expression.Type, SpecialMember.System_Nullable_T_get_HasValue)); 1634Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 1635Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 1708Debug.Assert(alwaysNull.Type is { }); 1709BoundExpression nullBool = new BoundDefaultExpression(syntax, alwaysNull.Type); 1721rewrittenType: alwaysNull.Type, 1748rewrittenType: alwaysNull.Type, 1750Debug.Assert(conditionalExpression.Type is { }); 1756type: conditionalExpression.Type); 1810rewrittenType: newNullBool.Type!, 1817type: conditionalExpression.Type!); 1897rewrittenType: alternative.Type!, 1905type: conditionalExpression.Type!); 2003return conditionalAccess.Update(conditionalAccess.Receiver, conditionalAccess.HasValueMethodOpt, whenNotNull, whenNull, conditionalAccess.Id, conditionalAccess.ForceCopyOfNullableValueType, whenNotNull.Type!); 2059Debug.Assert(loweredLeft.Type is { SpecialType: SpecialType.System_Decimal }); 2060Debug.Assert(loweredRight.Type is { SpecialType: SpecialType.System_Decimal }); 2093TypeSymbol? exprType = rewrittenExpr.Type; 2156Debug.Assert(loweredRight.Type is { }); 2157TypeSymbol rightType = loweredRight.Type; 2223Debug.Assert(loweredLeft.Type is { }); 2224TypeSymbol leftType = loweredLeft.Type; 2228Debug.Assert(loweredRight.Type is { }); 2229TypeSymbol rightType = loweredRight.Type; 2279Debug.Assert(loweredLeft.Type is { TypeKind: TypeKind.Pointer }); 2280loweredRight = MakeSizeOfMultiplication(loweredRight, (PointerTypeSymbol)loweredLeft.Type, kind.IsChecked()); 2284Debug.Assert(loweredRight.Type is { TypeKind: TypeKind.Pointer }); 2285loweredLeft = MakeSizeOfMultiplication(loweredLeft, (PointerTypeSymbol)loweredRight.Type, kind.IsChecked()); 2324Debug.Assert(sizeOfExpression.Type is { SpecialType: SpecialType.System_Int32 }); 2334Debug.Assert(numericOperand.Type is { }); 2335var numericSpecialType = numericOperand.Type.SpecialType; 2471Debug.Assert(loweredLeft.Type is { TypeKind: TypeKind.Pointer }); 2472Debug.Assert(loweredRight.Type is { TypeKind: TypeKind.Pointer }); 2475PointerTypeSymbol pointerType = (PointerTypeSymbol)loweredLeft.Type;

103if (module != null && receiver != null && receiver.Type is { }) 105var assembly = receiver.Type.ContainingAssembly; 122if (module != null && receiver is { Type: { } }) 124var assembly = receiver.Type.ContainingAssembly; 216var symbolForCompare = needToReduce ? ReducedExtensionMethodSymbol.Create(interceptor, receiverOpt!.Type, _compilation, out _) : interceptor; 290Debug.Assert(receiverOpt?.Type is not null); 296Debug.Assert(receiverOpt.Type.Equals(interceptor.Parameters[0].Type, TypeCompareKind.AllIgnoreOptions) 297|| (!receiverOpt.Type.IsReferenceType && interceptor.Parameters[0].Type.IsReferenceType)); 525Debug.Assert(rewrittenBoundCall.Type is not null); 534type: rewrittenBoundCall.Type); 690Debug.Assert(rewrittenReceiver.Type is { }); 710refKind = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter ? RefKind.Ref : RefKind.None; 714if (rewrittenReceiver.Type.IsReferenceType) 953Debug.Assert(rewrittenReceiver.Type is { }); 959if (rewrittenReceiver.Type.IsReferenceType || 1197optimized = CreateArrayEmptyCallIfAvailable(possibleParamsArray.Syntax, ((ArrayTypeSymbol)possibleParamsArray.Type!).ElementType); 1639Debug.Assert(value.Type is { }); 1668value.Type);

185Debug.Assert(singleSpread.Expression.Type is not null); 187if (!ShouldUseIEnumerableBulkAddMethod(singleSpread.Expression.Type, toListOfElementType.Parameters[0].Type, singleSpread.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 233Elements: [BoundCollectionExpressionSpreadElement { Expression: { Type: NamedTypeSymbol spreadType } expr }], 408Debug.Assert(list.Type is { }); 409Debug.Assert(list.Type.OriginalDefinition.Equals(_compilation.GetWellKnownType(WellKnownType.System_Collections_Generic_List_T), TypeCompareKind.AllIgnoreOptions)); 411var listToArray = ((MethodSymbol)_factory.WellKnownMember(WellKnownMember.System_Collections_Generic_List_T__ToArray)).AsMember((NamedTypeSymbol)list.Type); 771var spreadTypeOriginalDefinition = spreadExpression.Type!.OriginalDefinition; 777return _factory.Call(rewrittenSpreadExpression, listToArrayMethod.AsMember((NamedTypeSymbol)spreadExpression.Type!)); 787&& ShouldUseIEnumerableBulkAddMethod(spreadExpression.Type!, linqToArrayMethod.Parameters[0].Type, spreadElement.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 794&& TryGetSpanConversion(spreadExpression.Type, writableOnly: false, out var asSpanMethod)) 796var spanType = CallAsSpanMethod(spreadExpression, asSpanMethod).Type!.OriginalDefinition; 801return _factory.Call(rewrittenSpreadExpression, toArrayMethod.AsMember((NamedTypeSymbol)rewrittenSpreadExpression.Type!)); 904Debug.Assert(arrayTemp.Type is ArrayTypeSymbol); 907var elementType = ((ArrayTypeSymbol)arrayTemp.Type).ElementType; 1035var type = expression.Type; 1102if (spreadOperandAsSpan.Type!.OriginalDefinition.Equals(this._compilation.GetWellKnownType(wellKnownSpanType)) 1141var spreadLength = _factory.Call(spreadOperandAsSpan, getLengthMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!)); 1142var targetSlice = _factory.Call(spanTemp, spanSliceMethod.AsMember((NamedTypeSymbol)spanTemp.Type!), indexTemp, spreadLength); 1143sideEffects.Add(_factory.Call(spreadOperandAsSpan, copyToMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!), targetSlice)); 1275Debug.Assert(spanTemp.Type is NamedTypeSymbol); 1278var elementType = ((NamedTypeSymbol)spanTemp.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0].Type; 1345Debug.Assert(rewrittenSpreadOperand.Type is not null); 1350if (!ShouldUseIEnumerableBulkAddMethod(rewrittenSpreadOperand.Type, addRangeMethod.Parameters[0].Type, spreadElement.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 1485_factory.Binary(BinaryOperatorKind.Addition, sum.Type!, sum, value); 1520if (convertedExpression.Operand.Type is ArrayTypeSymbol arrayType)

24Debug.Assert(TypeSymbol.Equals(node.Right.Type, node.Operator.RightType, TypeCompareKind.ConsiderEverything2)); 39Debug.Assert(node.LeftConversion is null || (node.Left.Type!.IsReferenceType && node.Operator.Method.IsExtensionBlockMember())); 53TypeSymbol? leftType = node.Left.Type; // type of the target 153Debug.Assert(rewrittenAssignment.Type is { }); 156var condition = _factory.Conditional(isEvent, invokeEventAccessor.ToExpression(), rewrittenAssignment, rewrittenAssignment.Type); 158rewrittenAssignment = new BoundSequence(node.Syntax, eventTemps.ToImmutableAndFree(), sequence.ToImmutableAndFree(), condition, condition.Type!); 165Debug.Assert(rewrittenAssignment.Type is { }); 173rewrittenAssignment.Type); 216Debug.Assert(node.Left.Type is { }); 228Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.Left.Type, TypeCompareKind.AllIgnoreOptions)); 236Debug.Assert(assignment.Type is { }); 237return new BoundSequence(syntax, [binaryResult.LocalSymbol], [assignmentToTemp], assignment, assignment.Type); 293Debug.Assert(rewrittenReceiver.Type is { }); 313var variableRepresentsLocation = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter; 316isKnownToReferToTempIfReferenceType = !variableRepresentsLocation || rewrittenReceiver.Type.IsValueType || 543indexerAccess.Argument.Type, 550throw ExceptionUtilities.UnexpectedValue(indexerAccess.Argument.Type); 574if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 602Debug.Assert(receiver is { Type: { } }); 607else if (!receiver.Type.IsReferenceType) 612Debug.Assert(receiver.Type.IsReferenceType); 616Debug.Assert(rewrittenReceiver.Type is { }); 617if (rewrittenReceiver.Type.IsTypeParameter()) 755Debug.Assert(Binder.IsWellKnownSystemIndex(implicitIndexerAccess.Argument.Type, _compilation) 756|| Binder.IsWellKnownSystemRange(implicitIndexerAccess.Argument.Type, _compilation)); 785if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 966var type = expression.Type; 982var type = expression.Type; 1038Debug.Assert(expression.Type is { }); 1039if (expression.Type.IsNullableType())

41Debug.Assert(node.AccessExpression.Type is { }); 44Debug.Assert(loweredReceiver.Type is { }); 45var receiverType = loweredReceiver.Type; 55var lowerToConditional = node.AccessExpression.Type.IsDynamic(); 120Debug.Assert(loweredAccessExpression.Type is { }); 126TypeSymbol accessExpressionType = loweredAccessExpression.Type; 149Debug.Assert(loweredReceiver.Type is { }); 154UnsafeGetNullableMethod(node.Syntax, loweredReceiver.Type, SpecialMember.System_Nullable_T_get_HasValue) : 205Debug.Assert(newtarget is { Type: { } }); 207if (newtarget.Type.IsNullableType())

82Debug.Assert(result.Type!.Equals(toType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 94Debug.Assert(node.Type is not null); 95Debug.Assert(_compilation.IsReadOnlySpanType(node.Type)); 96var byteType = ((NamedTypeSymbol)node.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics.Single().Type; 111result = BadExpression(node.Syntax, node.Type, ImmutableArray<BoundExpression>.Empty); 115result = new BoundObjectCreationExpression(node.Syntax, ctor.AsMember((NamedTypeSymbol)node.Type), utf8Bytes, _factory.Literal(0), _factory.Literal(length)); 224Debug.Assert(rewrittenNode.Type is { }); 225var type = rewrittenNode.Type; 271Debug.Assert(result.Type is { } rt && rt.Equals(rewrittenType, TypeCompareKind.AllIgnoreOptions)); 290type: result.Type); 313@checked = @checked && NeedsCheckedConversionInExpressionTree(rewrittenOperand.Type, rewrittenType, explicitCastInCode); 319Debug.Assert(rewrittenOperand.Type is { }); 332if (_inExpressionLambda || !rewrittenOperand.Type.Equals(rewrittenType, TypeCompareKind.ConsiderEverything)) 433Debug.Assert(rewrittenOperand.Type is { }); 439if (rewrittenType.SpecialType == SpecialType.System_Decimal || rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 441return RewriteDecimalConversion(syntax, rewrittenOperand, rewrittenOperand.Type, rewrittenType, @checked, conversion.Kind.IsImplicitConversion(), constantValueOpt); 448Debug.Assert(rewrittenOperand.Type is { }); 451Debug.Assert(rewrittenOperand.Type.Equals(rewrittenType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 494Debug.Assert(rewrittenOperand.Type is { }); 504Debug.Assert(rewrittenOperand.Type.IsEnumType()); 505var underlyingTypeFrom = rewrittenOperand.Type.GetEnumUnderlyingType()!; 509else if (rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 517var rewrittenNode = RewriteDecimalConversion(syntax, rewrittenOperand, rewrittenOperand.Type, underlyingTypeTo, @checked, isImplicit: false, constantValueOpt: constantValueOpt); 563(symbolOpt.IsAbstract || symbolOpt.IsVirtual) ? mg.ReceiverOpt?.Type : null, 602Debug.Assert(rewrittenOperand.Type is not null); 617createSpan = createSpan.Construct(rewrittenOperand.Type, spanType.TypeArgumentsWithAnnotationsNoUseSiteDiagnostics.Single().Type); 618_ = rewrittenOperand.Type.HasInlineArrayAttribute(out int length); 626var sourceType = rewrittenOperand.Type; 643Debug.Assert(rewrittenOperand.Type?.IsSZArray() == true); 670Debug.Assert(implicitOperator.ParameterTypesWithAnnotations[0].Type.Equals(rewrittenOperand.Type, TypeCompareKind.AllIgnoreOptions)); 704Debug.Assert(method.ParameterTypesWithAnnotations[0].Type.Equals(rewrittenOperand.Type, TypeCompareKind.AllIgnoreOptions)); 720Debug.Assert(rewrittenOperand.Type?.IsStringType() == true); 832Debug.Assert(rewrittenOperand.Type is { }); 834Conversion conversion = compilation.Conversions.ClassifyConversionFromType(rewrittenOperand.Type, rewrittenType, isChecked: @checked, ref useSiteInfo); 840rewrittenOperand.Type.SpecialType != SpecialType.System_Decimal && 841rewrittenOperand.Type.SpecialType != SpecialType.System_DateTime) 847rewrittenOperand.Type, 893if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.BestUserDefinedConversionAnalysis.FromType, TypeCompareKind.ConsiderEverything2)) 903if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.Method.GetParameterType(0), TypeCompareKind.ConsiderEverything2)) 916Debug.Assert(rewrittenOperand.Type is { }); 917if (rewrittenOperand.Type.IsNullableType() && 918conversion.Method.GetParameterType(0).Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 922userDefinedConversionRewrittenType = ((NamedTypeSymbol)rewrittenOperand.Type.OriginalDefinition).Construct(userDefinedConversionRewrittenType); 932if (!TypeSymbol.Equals(userDefined.Type, conversion.BestUserDefinedConversionAnalysis.ToType, TypeCompareKind.ConsiderEverything2)) 941if (!TypeSymbol.Equals(userDefined.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)) 968if (!TypeSymbol.Equals(rewrittenOperand.Type, analysis.FromType, TypeCompareKind.AllIgnoreOptions)) 979Debug.Assert(TypeSymbol.Equals(rewrittenOperand.Type, analysis.Operator.GetParameterType(0), TypeCompareKind.AllIgnoreOptions)); 986Debug.Assert(TypeSymbol.Equals(rewrittenOperand.Type, analysis.ToType, TypeCompareKind.AllIgnoreOptions)); 988if (!TypeSymbol.Equals(rewrittenOperand.Type, rewrittenType, TypeCompareKind.AllIgnoreOptions)) 999Debug.Assert(TypeSymbol.Equals(rewrittenOperand.Type, rewrittenType, TypeCompareKind.AllIgnoreOptions)); 1023Debug.Assert(rewrittenOperand.Type is { }); 1027var tupleTypeSymbol = (NamedTypeSymbol)rewrittenOperand.Type; 1064Debug.Assert(expression.Type is { }); 1065if (!expression.Type.IsNullableType()) 1077when convertedArgument.Type!.Equals(expression.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions): 1082when underlying.Length == 1 && underlying[0].Kind == ConversionKind.ImplicitTuple && !convertedArgument.Type!.IsNullableType(): 1118TypeSymbol? rewrittenOperandType = rewrittenOperand.Type; 1168Debug.Assert(rewrittenOperand.Type is { }); 1169TypeSymbol rewrittenOperandType = rewrittenOperand.Type; 1383Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 1384Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 1416Debug.Assert(rewrittenOperand.Type is { }); 1417if (rewrittenOperand.Type.IsNullableType()) 1420if (parameterType.Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 1436if ((rewrittenOperand.Type.IsArray()) && _compilation.IsReadOnlySpanType(rewrittenType)) 1448Debug.Assert(TypeSymbol.Equals(result.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)); 1471Debug.Assert(rewrittenOperand.Type is { }); 1474Conversion conv = TryMakeConversion(syntax, conversion, rewrittenOperand.Type, rewrittenType, @checked: @checked); 1488Debug.Assert(rewrittenOperand.Type.IsNullableType()); 1561Debug.Assert(rewrittenOperand.Type is { }); 1563Debug.Assert(conversion.Method.Parameters[0].Type.Equals(rewrittenOperand.Type, TypeCompareKind.AllIgnoreOptions)); 1604Debug.Assert(rewrittenOperand.Type is { }); 1607TypeSymbol source = rewrittenOperand.Type; 1830Debug.Assert(operand.Type is { }); 1831return RewriteDecimalConversionCore(syntax, operand, operand.Type, toType, isImplicit, constantValueOpt);

42Debug.Assert(left.Type is { }); 43BoundExpression? result = RewriteDeconstruction(lhsTargets, conversion, left.Type, right, isUsed); 247Debug.Assert(leftTarget is { Type: { } }); 265var tupleType = NamedTypeSymbol.CreateTuple(locationOpt: null, elementTypesWithAnnotations: builder!.SelectAsArray(e => TypeWithAnnotations.Create(e.Type)), 319Debug.Assert(right.Type is { }); 320if (right.Type.IsTupleType) 338Debug.Assert(expression.Type is { }); 339Debug.Assert(expression.Type.IsTupleType); 340var tupleType = expression.Type; 463Debug.Assert(variable.Type is { }); 465effects, temps, isDynamicAssignment: variable.Type.IsDynamic());

188return new BoundSequence(syntax, tempSymbols, sideEffects.ToImmutableAndFree(), marshalCall, marshalCall.Type!);

209else if (fixedCollectionInitializer.Expression.Type is { SpecialType: SpecialType.System_String }) 213else if (fixedCollectionInitializer.Expression.Type is { TypeKind: TypeKind.Array }) 241Debug.Assert(initializerExpr.Type is { TypeKind: TypeKind.Pointer }); 247TypeSymbol initializerType = ((PointerTypeSymbol)initializerExpr.Type).PointedAtType; 308Debug.Assert(initializerExpr.Type is { }); 310var initializerType = initializerExpr.Type; 444TypeSymbol? initializerType = initializerExpr.Type; 513TypeSymbol? initializerType = initializerExpr.Type;

43TypeSymbol? nodeExpressionType = collectionExpression.Type; 507Debug.Assert(receiver.Type is { }); 508if (!receiver.Type.IsReferenceType && method.ContainingType.IsInterface) 608NamedTypeSymbol? collectionType = (NamedTypeSymbol?)collectionExpression.Type; 747Debug.Assert(rewrittenExpression.Type is not null); 876Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 904Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 908ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type; 1025Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1053Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1057ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type;

24operand = new BoundDefaultExpression(operand.Syntax, operand.Type!.GetNullableUnderlyingType()); 72Debug.Assert(TypeSymbol.Equals(targetNullableType.GetNullableUnderlyingType(), underlyingValue.Type, TypeCompareKind.AllIgnoreOptions));

124Debug.Assert(oldNode.Type is not null); 125Debug.Assert(oldNode.Type.Equals(type, TypeCompareKind.ConsiderEverything)); 220Debug.Assert(call.Type is not null); 235call.Type); 244Debug.Assert(node.Expression.Type is object); 245Debug.Assert(node.Argument.Type is object); 260_ = node.Expression.Type.HasInlineArrayAttribute(out int length); 262if (node.Argument.Type.SpecialType == SpecialType.System_Int32) 270if (Binder.IsWellKnownSystemIndex(node.Argument.Type, _compilation)) 282Debug.Assert(Binder.IsWellKnownSystemRange(node.Argument.Type, _compilation)); 388Debug.Assert(node.Expression.Type is object); 400return createSpan.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 405Debug.Assert(node.Expression.Type is object); 406Debug.Assert(index.Type?.SpecialType == SpecialType.System_Int32); 408var intType = (NamedTypeSymbol)index.Type; 427elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 446elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 500var argumentType = node.Argument.Type; 546node.Argument.Type, 563Debug.Assert(receiver.Type is { }); 569receiver.Type.IsReferenceType ? RefKind.None : RefKind.Ref); 642Debug.Assert(integerArgument.Type!.SpecialType == SpecialType.System_Int32); 738Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 749Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 755Debug.Assert(Binder.IsWellKnownSystemIndex(loweredExpr.Type, _compilation)); 786unloweredExpr.Type, 794Debug.Assert(hatExpression.Operand is { Type: { SpecialType: SpecialType.System_Int32 } }); 798else if (unloweredExpr is BoundConversion { Operand: { Type: { SpecialType: SpecialType.System_Int32 } } operand }) 807arguments[0] is { Type.SpecialType: SpecialType.System_Int32, ConstantValueOpt.Value: int _ and >= 0 } index && 808arguments[1] is { Type.SpecialType: SpecialType.System_Boolean, ConstantValueOpt.Value: bool fromEnd }) 857Debug.Assert(Binder.IsWellKnownSystemRange(node.Argument.Type, _compilation)); 881Debug.Assert(receiver.Type is { }); 887receiver.Type.IsReferenceType ? RefKind.None : RefKind.Ref);

48var operandType = rewrittenOperand.Type;

119Debug.Assert(node.Type is { SpecialType: SpecialType.System_Boolean }); 120LocalSymbol resultTemp = _factory.SynthesizedLocal(node.Type, node.Syntax, kind: SynthesizedLocalKind.LoweringTemp); 175if (test.Type?.IsErrorType() != false) 178Debug.Assert(test.Type.SpecialType == SpecialType.System_Boolean);

20return MakeLiteral(node.Syntax, node.ConstantValueOpt, node.Type, oldNodeOpt: node);

30TypeSymbol? argumentType = rewrittenArgument.Type;

16Debug.Assert(node.Type is { }); 20Debug.Assert(node.LeftOperand.Type is { }); 24Debug.Assert(transformedLHS.Type is { }); 41Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.LeftOperand.Type, TypeCompareKind.AllIgnoreOptions)); 50Debug.Assert(assignment.Type is { }); 51assignment = new BoundSequence(syntax, [rightResult.LocalSymbol], [assignmentToTemp], assignment, assignment.Type); 59var leftPlaceholder = new BoundValuePlaceholder(lhsRead.Syntax, lhsRead.Type); 60BoundExpression conditionalExpression = MakeNullCoalescingOperator(syntax, lhsRead, assignment, leftPlaceholder: leftPlaceholder, leftConversion: leftPlaceholder, BoundNullCoalescingOperatorResultKind.LeftType, node.LeftOperand.Type); 61Debug.Assert(conditionalExpression.Type is { }); 75conditionalExpression.Type); 82Debug.Assert(node.LeftOperand.Type.IsNullableType()); 91leftOperand.Type, 101leftOperand.Type, 136Debug.Assert(transformedLHS.Type.GetNullableUnderlyingType().Equals(tmp.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions)); 140Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.LeftOperand.Type, TypeCompareKind.AllIgnoreOptions)); 145MakeConversionNode(tmp, transformedLHS.Type, @checked: false, markAsChecked: true),

35Debug.Assert(rewrittenRight.Type is { }); 36Debug.Assert(rewrittenRight.Type.Equals(rewrittenResultType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 42Debug.Assert(rewrittenLeft.Type is { }); 59var isUnconstrainedTypeParameter = rewrittenLeft.Type is { IsReferenceType: false, IsValueType: false }; 90Debug.Assert(rewrittenLeft.Type is { }); 91if (rewrittenLeft.Type.IsReferenceType && 110if (whenNullOpt.Type.IsNullableType()) 115if (whenNullOpt.IsDefaultValue() && whenNullOpt.Type.SpecialType != SpecialType.System_Decimal) 133if (rewrittenLeft.Type.IsNullableType() && 134rewrittenRight.Type.Equals(rewrittenLeft.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions)) 140TryGetNullableMethod(rewrittenLeft.Syntax, rewrittenLeft.Type, SpecialMember.System_Nullable_T_GetValueOrDefault, out MethodSymbol? getValueOrDefault, isOptional: true)) 147TryGetNullableMethod(rewrittenLeft.Syntax, rewrittenLeft.Type, SpecialMember.System_Nullable_T_GetValueOrDefaultDefaultValue, out MethodSymbol? getValueOrDefaultDefaultValue, isOptional: true)) 167Debug.Assert(convertedLeft.HasErrors || convertedLeft.Type!.Equals(rewrittenResultType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 180Debug.Assert(conditionalExpression.Type!.Equals(rewrittenResultType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 238Debug.Assert(rewrittenLeft.Type is { }); 242TypeSymbol rewrittenLeftType = rewrittenLeft.Type; 250var conversionTakesNullableType = leftPlaceholder?.Type?.IsNullableType() == true;

81Debug.Assert(TypeSymbol.Equals(rewrittenObjectCreation.Type, ((NamedTypeSymbol)node.Type).ComImportCoClass, TypeCompareKind.ConsiderEverything2)); 99rewrittenObjectCreation = new BoundDefaultExpression(rewrittenObjectCreation.Syntax, rewrittenObjectCreation.Type!); 114Debug.Assert(TypeSymbol.Equals(rewrittenObjectCreation.Type, ((NamedTypeSymbol)node.Type).ComImportCoClass, TypeCompareKind.ConsiderEverything2)); 135Debug.Assert(receiver.Type!.Equals(type, TypeCompareKind.ConsiderEverything)); 325return MakeExpressionWithInitializer(node.Syntax, rewrittenNewT, node.InitializerExpressionOpt, rewrittenNewT.Type!);

400Debug.Assert(assignment.Type.IsDynamic() || TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 454Debug.Assert(Binder.IsWellKnownSystemRange(rangeArgument.Type, _compilation)); 472Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 505Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 517if (TypeSymbol.Equals(implicitIndexer.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.ConsiderEverything)) 540Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 701Debug.Assert(_compilation.Conversions.ClassifyConversionFromType(rewrittenReceiver.Type, memberSymbol.ContainingType, isChecked: false, ref discardedUseSiteInfo).IsImplicit || 702(memberSymbol.IsExtensionBlockMember() && !memberSymbol.IsStatic && ConversionsBase.IsValidExtensionMethodThisArgConversion(_compilation.Conversions.ClassifyConversionFromType(rewrittenReceiver.Type, memberSymbol.ContainingType.ExtensionParameter!.Type, isChecked: false, ref discardedUseSiteInfo))) || 703_compilation.Conversions.HasImplicitConversionToOrImplementsVarianceCompatibleInterface(rewrittenReceiver.Type, memberSymbol.ContainingType, ref discardedUseSiteInfo, out _));

46Debug.Assert(rewrittenExpression.Type is { }); 47Debug.Assert(rewrittenIndex.Type is { }); 48switch (rewrittenIndex.Type.SpecialType) 63throw ExceptionUtilities.UnexpectedValue(rewrittenIndex.Type.SpecialType); 78rewrittenExpression.Type,

37if (rewrittenReceiverOpt is { Type: { TypeKind: TypeKind.Array } } && !isLeftOfAssignment) 39var asArrayType = (ArrayTypeSymbol)rewrittenReceiverOpt.Type;

56Debug.Assert(operand.Type is { }); 60operand = new BoundDefaultExpression(operand.Syntax, operand.Type.GetNullableUnderlyingType()); 65Debug.Assert(operand.Type is { }); 67if (operand.Type.IsNullableType()) 80Debug.Assert(left?.Type?.IsNullableType() == true || right?.Type?.IsNullableType() == true); 131Debug.Assert(tempOperand.Type is { }); 133if (tempOperand.Type.IsNullableType())

28var type = stackAllocNode.Type;

75Debug.Assert(visitedArguments.All(arg => arg.Type!.SpecialType is SpecialType.System_String or SpecialType.System_Char or SpecialType.System_Object)); 107var argumentType = arg.Type; 153bool needsImplicitConversionFromStringToSpan = visitedArguments.Any(arg => arg.Type is { SpecialType: SpecialType.System_String }); 289if (argument is BoundConversion { ConversionKind: ConversionKind.Boxing, Type.SpecialType: SpecialType.System_Object, Operand: { Type.SpecialType: SpecialType.System_Char } operand }) 305else if (argument is BoundNullCoalescingOperator { LeftOperand: { Type.SpecialType: SpecialType.System_String } left, RightOperand: BoundLiteral { ConstantValueOpt: { IsString: true, RopeValue.IsEmpty: true } } }) 444if (call is { Arguments: [], ReceiverOpt.Type: NamedTypeSymbol { SpecialType: SpecialType.System_Char } charType, Method: { Name: "ToString" } method } 521Debug.Assert(arg.Type is not null); 523if (arg.Type.SpecialType == SpecialType.System_Char) 552Debug.Assert(arg.HasAnyErrors || arg.Type.SpecialType == SpecialType.System_String); 652Debug.Assert(expr.Type is not null); 655if (expr.Type.IsStringType()) 667if (expr.Type.IsValueType && !expr.Type.IsTypeParameter()) 669var type = (NamedTypeSymbol)expr.Type; 690expr.Type.SpecialType.CanOptimizeBehavior() && 706bool callWithoutCopy = expr.Type.IsReferenceType || 708(structToStringMethod == null && !expr.Type.IsTypeParameter()) || 712if (expr.Type.IsValueType) 716expr = new BoundPassByCopy(syntax, expr, expr.Type); 748new BoundConditionalReceiver(syntax, currentConditionalAccessID, expr.Type),

107if (actualCall.Type!.IsDynamic()) 145Debug.Assert(node.Type is { SpecialType: SpecialType.System_String }); // if target-converted, we should not get here. 149return LowerPartsToString(data, node.Parts, node.Syntax, node.Type); 183_factory.Binary(BinaryOperatorKind.StringConcatenation, node.Type, result, part); 194Debug.Assert(result.Type is not null); 195Debug.Assert(result.Type.SpecialType == SpecialType.System_String || result.Type.IsErrorType()); 196var placeholder = new BoundValuePlaceholder(result.Syntax, result.Type); 197result = new BoundNullCoalescingOperator(result.Syntax, result, _factory.StringLiteral(""), leftPlaceholder: placeholder, leftConversion: placeholder, BoundNullCoalescingOperatorResultKind.LeftType, @checked: false, result.Type) { WasCompilerGenerated = true };

54Debug.Assert(expr.Type == (object?)o.Type || expr.Type is { } && expr.Type.Equals(o.Type, TypeCompareKind.AllIgnoreOptions)); 91expr.Type is { } exprType && exprType.IsNullableType() && exprType.StrippedType().Equals(o.Type, TypeCompareKind.AllIgnoreOptions): 108Debug.Assert(expr.Type is { }); 109var destElementTypes = expr.Type.TupleElementTypesWithAnnotations; 111Debug.Assert(boundConversion.Operand.Type is { }); 112var srcElementFields = boundConversion.Operand.Type.TupleElements; 130ImmutableArray<bool>.Empty, expr.Type, expr.HasErrors); 166ImmutableArray<bool>.Empty, tuple.Type, tuple.HasErrors); 209return new BoundLiteral(expr.Syntax, ConstantValue.Null, expr.Type); 362isNullable = !(expr is BoundTupleExpression) && expr.Type is { } && expr.Type.IsNullableType(); 374Debug.Assert(expr.Type is { }); 377value = new BoundDefaultExpression(expr.Syntax, expr.Type.StrippedType()); 404Debug.Assert(expr.Type is { }); 410when expr.Type.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && 445expr.Type is { } exprType && exprType.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && nested[0] is { IsTupleConversion: true } tupleConversion: 447Debug.Assert(expr.Type is { }); 450Debug.Assert(operand.Type is { }); 451var types = expr.Type.GetNullableUnderlyingType().TupleElementTypesWithAnnotations; 452int tupleCardinality = operand.Type.TupleElementTypesWithAnnotations.Length; 468type: expr.Type, 531Debug.Assert(tuple.Type is { IsTupleType: true }); 537return MakeTupleFieldAccessAndReportUseSiteDiagnostics(tuple, tuple.Syntax, tuple.Type.TupleElements[i]);

39Debug.Assert(node.Type is { }); 40return MakeTupleCreationExpression(node.Syntax, (NamedTypeSymbol)node.Type, rewrittenArguments);

133var underlyingType = loweredOperand.Type.GetEnumUnderlyingType(); 277Debug.Assert(result.Type is { }); 286type: result.Type 329Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 330Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 408Debug.Assert(node.OperandConversion is null || (node.Operand.Type!.IsReferenceType && node.MethodOpt.IsExtensionBlockMember())); 421TypeSymbol? operandType = node.Operand.Type; //type of the variable being incremented 458TypeSymbol? operandType = left.Type; //type of the variable being incremented 467Debug.Assert(TypeSymbol.Equals(operandType, transformedLHS.Type, TypeCompareKind.AllIgnoreOptions)); 587TypeSymbol? operandType = transformedLHS.Type; //type of the variable being incremented 661Debug.Assert(boundTemp.Type is not null); 688type: boundTemp.Type); 701Debug.Assert(boundTemp.Type is not null); 704Debug.Assert(tempValue.Type is { }); 713tempValue.Type); 727type: boundTemp.Type); 933Debug.Assert(binaryOperand.Type is { TypeKind: TypeKind.Pointer }); 934Debug.Assert(boundOne.Type is { SpecialType: SpecialType.System_Int32 }); 935return MakeBinaryOperator(node.Syntax, binaryOperatorKind, binaryOperand, boundOne, binaryOperand.Type, method: null, constrainedToTypeOpt: null); 987Debug.Assert(operand.Type is { SpecialType: SpecialType.System_Decimal }); 994Debug.Assert(operand.Type is { } && operand.Type.IsNullableType() && operand.Type.GetNullableUnderlyingType().SpecialType == SpecialType.System_Decimal); 998MethodSymbol getValueOrDefault = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T_GetValueOrDefault); 999MethodSymbol ctor = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T__ctor); 1010BoundExpression alternative = new BoundDefaultExpression(syntax, operand.Type); 1013return RewriteConditionalOperator(syntax, condition, consequence, alternative, ConstantValue.NotAvailable, operand.Type, isRef: false);

149Debug.Assert(rewrittenExpression.Type is { }); 150TypeSymbol expressionType = rewrittenExpression.Type;

545Debug.Assert(loweredReceiver.Type is { }); 546if (!loweredReceiver.Type.IsValueType) 830var argType = boundArgument.Type; 909result[j++] = receiver.Type ?? systemObjectType; 915result[j++] = arguments[i].Type ?? systemObjectType; 921result[j++] = right.Type ?? systemObjectType;

45: base(SpillSequenceBuilderKind, syntax, value?.Type) 174new TreeDumperNode("type", this.Type, null) 337if (refKind != RefKind.None || expression.Type?.IsRefLikeOrAllowsRefLikeType() == true) 380if (refKind != RefKind.None || expression.Type.IsReferenceType) 497if (expression.Type.IsVoidType() || sideEffectsOnly) 1048Debug.Assert(refKind == RefKind.None || !receiver.Type.IsReferenceType); 1057var receiverType = receiver.Type; 1088if (!receiver.Type.IsReferenceType && LocalRewriter.CanBePassedByReference(receiver)) 1090result = receiver.Type.IsReadOnly ? RefKind.In : RefKind.Ref; 1161Debug.Assert(condition.Type.SpecialType == SpecialType.System_Boolean); 1164var tmp = _F.SynthesizedLocal(condition.Type, kind: SynthesizedLocalKind.Spill, syntax: _F.Syntax); 1211type: node.Type)); 1268_F.ObjectEqual(_F.Local(tmp), _F.Null(left.Type)), 1300if (receiver.Type.IsReferenceType || receiver.Type.IsValueType || receiverRefKind == RefKind.None) 1320var clone = _F.SynthesizedLocal(receiver.Type, _F.Syntax, refKind: RefKind.None, kind: SynthesizedLocalKind.Spill); 1324var isNotClass = _F.IsNotNullReference(_F.Default(receiver.Type)); 1492return UpdateExpression(builder, node.Update(operand, node.Type)); 1536return UpdateExpression(builder, node.Update(expression, node.Type));

42var field = this.HoistedField.AsMember((NamedTypeSymbol)frame.Type); 60var field = this.HoistedField.AsMember((NamedTypeSymbol)frame.Type);

152Debug.Assert(thisProxyReplacement.Type is not null); 153this.cachedThis = F.SynthesizedLocal(thisProxyReplacement.Type, syntax: F.Syntax, kind: SynthesizedLocalKind.FrameCache);

98Debug.Assert(TypeSymbol.Equals(type, replacement.Type, TypeCompareKind.ConsiderEverything2)); 284Debug.Assert(_reportedError || isFieldAccessOfStruct || expr.Type!.IsTypeParameter()); 303Debug.Assert(expr.Type is not null); 304var hoistedSymbol = createHoistedSymbol(expr.Type, arg, assignedLocal);

272Debug.Assert(receiverOpt is null || receiverOpt.Type is { } && 273receiverOpt.Type.GetMembers(propertySym.Name).OfType<PropertySymbol>().Single() == propertySym); 284Debug.Assert(!(receiverOpt is { Type: ArrayTypeSymbol { IsSZArray: true } } && 444Debug.Assert(left.Type is { } && right.Type is { } && 445(left.Type.Equals(right.Type, TypeCompareKind.AllIgnoreOptions) || 447right.Type.IsErrorType() || left.Type.IsErrorType())); 449var assignment = new BoundAssignmentOperator(syntax, left, right, isRef, left.Type, hasErrors) { WasCompilerGenerated = wasCompilerGenerated }; 574var conversion = Compilation.Conversions.ClassifyConversionFromType(expression.Type, CurrentFunction.ReturnType, isChecked: false, ref useSiteInfo); 663Conversion c = Compilation.Conversions.ClassifyBuiltInConversion(operand.Type, type, isChecked: false, ref discardedUseSiteInfo); 669Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 670Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 676Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 677Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 696if (value.Type is TypeParameterSymbol { AllowsRefLikeType: true }) 806switch (input.Type) 815throw ExceptionUtilities.UnexpectedValue(input.Type); 940Debug.Assert(valueTypeReceiver.Type is { }); 941Debug.Assert(TypeSymbol.Equals(valueTypeReceiver.Type, referenceTypeReceiver.Type, TypeCompareKind.ConsiderEverything2)); 942return new BoundComplexConditionalReceiver(Syntax, valueTypeReceiver, referenceTypeReceiver, valueTypeReceiver.Type) { WasCompilerGenerated = true }; 947Debug.Assert(left.Type!.Equals(right.Type, TypeCompareKind.IgnoreCustomModifiersAndArraySizesAndLowerBounds | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || left.Type.IsErrorType()); 948Debug.Assert(left.Type.IsReferenceType); 950return new BoundNullCoalescingOperator(Syntax, left, right, leftPlaceholder: null, leftConversion: null, BoundNullCoalescingOperatorResultKind.LeftType, @checked: false, left.Type) { WasCompilerGenerated = true }; 1058Debug.Assert(result.Type is { }); 1059var resultType = type ?? result.Type; 1065Debug.Assert(result.Type is { }); 1069: new BoundSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1074Debug.Assert(result.Type is { }); 1075return new BoundSpillSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1104Debug.Assert(ex.Type is { SpecialType: CodeAnalysis.SpecialType.System_Int32 }); 1199Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1205Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1206int rank = ((ArrayTypeSymbol)array.Type).Rank; 1218Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1219return new BoundArrayAccess(Syntax, array, indices, ((ArrayTypeSymbol)array.Type).ElementType); 1524if (TypeSymbol.Equals(type, arg.Type, TypeCompareKind.ConsiderEverything2)) 1534Debug.Assert(arg.Type is { }); 1621return new BoundCatchBlock(Syntax, ImmutableArray<LocalSymbol>.Empty, source, source.Type, exceptionFilterPrologueOpt: null, exceptionFilterOpt: null, body: block, isSynthesizedAsyncCatchAll: false); 1641Debug.Assert(expression is { Type: { SpecialType: CodeAnalysis.SpecialType.System_Boolean } }); 1642return new BoundUnaryOperator(expression.Syntax, UnaryOperatorKind.BoolLogicalNegation, expression, null, null, constrainedToTypeOpt: null, LookupResultKind.Viable, expression.Type); 1662Debug.Assert(argument.Type is { }); 1695var type = argument.Type; 1765TypeSymbol exprType = rewrittenExpr.Type; 1819LocalRewriter.UnsafeGetNullableMethod(syntax, expression.Type, CodeAnalysis.SpecialMember.System_Nullable_T_get_HasValue, Compilation, Diagnostics)); 1883return conditionalAccess.Update(conditionalAccess.Receiver, conditionalAccess.HasValueMethodOpt, whenNotNull, whenNull, conditionalAccess.Id, conditionalAccess.ForceCopyOfNullableValueType, whenNotNull.Type);

1122if (boundOperand.Kind == BoundKind.ConvertedTupleLiteral && TypeSymbol.Equals(boundOperand.Type, boundConversion.Type, TypeCompareKind.ConsiderEverything2)) 1143!TypeSymbol.Equals(nestedConversion.Type, nestedOperand.Type, TypeCompareKind.ConsiderEverything2)) 1662boundNullCoalescingOperator.Type.Equals(boundNullCoalescingOperator.LeftOperand.Type?.StrippedType(), TypeCompareKind.IgnoreCustomModifiersAndArraySizesAndLowerBounds | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes))

348argumentKind = argument.Type?.IsSZArray() == true ? ArgumentKind.ParamArray : ArgumentKind.ParamCollection;

165if (!(expression.Type is null) && expression.Type.IsStringType())

991conversion.IsIdentity && parameterType.SpecialType == SpecialType.System_Object && defaultExpression.Type.IsDynamic()) 1005(object)defaultExpression.Type != null && 1006defaultExpression.Type.SpecialType == SpecialType.System_String || 1016else if (((conversion.IsNullable && !defaultExpression.Type.IsNullableType()) || 1017(conversion.IsObjectCreation && convertedExpression.Type.IsNullableType())) && 1034(defaultExpression.IsImplicitObjectCreation() ? convertedExpression.Type.StrippedType() : defaultExpression.Type), parameterSyntax.Identifier.ValueText);

662return TypeWithAnnotations.Create(initializerOpt?.Type);

590if ((object)initializerOpt.Type != null && !initializerOpt.Type.IsErrorType()) 592type = TypeWithAnnotations.Create(initializerOpt.Type);

215Debug.Assert(value.Type is not null); 216if (value.Type.IsValueType) 223else if (!value.Type.IsRestrictedType())

432public override TypeWithAnnotations ReturnTypeWithAnnotations => TypeWithAnnotations.Create(_userEntryPointInvocation.Type);