411this.Type = type; 417this.Type = type;

879RoslynDebug.Assert(expression.Type is object); 880return expression.Type;

944Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 971if ((expr.ConstantValueOpt != null) || (expr.Type.GetSpecialTypeSafe() == SpecialType.System_Void)) 1161getItemOrSliceHelper = getItemOrSliceHelper.AsMember(getItemOrSliceHelper.ContainingType.Construct(ImmutableArray.Create(elementAccess.Expression.Type.TryGetInlineArrayElementField().TypeWithAnnotations))); 1232indices[0].Type, 1270Error(diagnostics, ErrorCode.ERR_BadSKunknown, expr.Syntax, expr.Type, MessageID.IDS_SK_TYPE.Localize()); 1931&& receiver?.Type?.IsValueType == true; 2163if (receiver is BoundObjectOrCollectionValuePlaceholder && receiver.Type.IsAnonymousType) 2325if (methodInvocationInfo.MethodInfo.Method?.RequiresInstanceReceiver == true && methodInvocationInfo.Receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2548if (receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2659Debug.Assert(receiver.Type is { }); 2664Debug.Assert(receiver is not BoundValuePlaceholderBase && method is not null && receiver.Type?.IsReferenceType == false); 2669receiver = new BoundCapturedReceiverPlaceholder(receiver.Syntax, receiver, receiver.Type).MakeCompilerGenerated(); 2788if (receiver.Type is TypeParameterSymbol typeParameter) 3027if (argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3087if (argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3223&& argument.Type?.IsRefLikeOrAllowsRefLikeType() == true) 3684Debug.Assert(expr.Type is not null); 3716if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 3986Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 4001if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 4362if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 4769RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 4993Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 5014if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 5079Error(diagnostics, inUnsafeRegion ? ErrorCode.WRN_EscapeStackAlloc : ErrorCode.ERR_EscapeStackAlloc, node, expr.Type); 5333Error(diagnostics, ErrorCode.ERR_CollectionExpressionEscape, node, expr.Type); 5519RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 5692TypeWithAnnotations.Create(elementAccess.Expression.Type), 5732TypeWithAnnotations.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;

841RoslynDebug.Assert(node.Type is object); 842var typedConstantKind = node.Type.GetAttributeParameterTypedConstantKind(_binder.Compilation); 895return new TypedConstant(spread.Expression.Type, TypedConstantKind.Error, value: null); 914var operandType = operand.Type; 1017var 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); 562if (expression.Type is null) 584RoslynDebug.Assert(expression.Type is object); 585if (expression.Type.IsVoidType()) 601Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 614Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 698var awaiterType = awaiterExpression.Type;

77else if (source.Type is not null && filterConversion(conversion)) 79var placeholder2 = new BoundValuePlaceholder(source.Syntax, source.Type); 123RoslynDebug.Assert(source.Type is object); 127if (!isCast && source.Type.Equals(destination, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)) 217TypeSymbol? type = source.Type; 262Debug.Assert(source.Type is null); 289source.Type is { } sourceType && 337switch (source.Type?.IsNullableType()) 342new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 369else if (source.Type?.IsNullableType() == true) 373new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 391if (source.Type?.TryGetElementTypesWithAnnotationsIfTupleType(out sourceTypes) == true && 465Debug.Assert(source.Type is { }); 467FieldSymbol? elementField = source.Type.TryGetInlineArrayElementField(); 500CheckInlineArrayTypeIsSupported(syntax, source.Type, elementField.Type, diagnostics); 504Debug.Assert(source.Type is not null); 513if (source.Type is ArrayTypeSymbol) 524if (source.Type.IsSpan()) 528TryFindImplicitOperatorFromSpan(source.Type.OriginalDefinition, destination.OriginalDefinition), 529source.Type.OriginalDefinition, 536if (source.Type.IsSpan() || source.Type.IsReadOnlySpan()) 539if (NeedsSpanCastUp(source.Type, destination)) 544TypeSymbol sourceForCastUp = source.Type.IsSpan() 546: source.Type.OriginalDefinition; 557.Construct([((NamedTypeSymbol)source.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0]]) 563if (source.Type.IsStringType()) 741unconvertedSource.Type, 1380Debug.Assert(methodGroup.ReceiverOpt.Type is not null); 1450diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, syntax, methodGroup.ReceiverOpt.Type); 1514TypeSymbol? receiverType = methodGroup.ReceiverOpt.Type; 1991Debug.Assert(targetTyped || destination.IsErrorType() || destination.Equals(source.Type, TypeCompareKind.ConsiderEverything)); 2010source.Syntax, source.Type, targetTyped, source.Expression, newSwitchArms, source.ReachabilityDecisionDag, 2096Conversion toParameterTypeConversion = Conversions.ClassifyStandardConversion(convertedOperand.Type, conversionParameterType, ref useSiteInfo); 2752RoslynDebug.Assert(receiverOpt.Type is object); 2754diagnostics.Add(ErrorCode.ERR_QueryNoProvider, node.Location, receiverOpt.Type, memberSymbol.Name); 2772RoslynDebug.Assert(receiverOpt.Type is object); 2773diagnostics.Add(ErrorCode.ERR_BadAwaitArg, node.Location, receiverOpt.Type); 2908(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; 1019subExpressions.SelectAsArray(e => TypeWithAnnotations.Create(e.Type)), 1076if (boundArgument.Type?.SpecialType == SpecialType.System_Void) 1086var elementTypeWithAnnotations = TypeWithAnnotations.Create(boundArgument.Type); 1285if ((object)argument.Type != null && argument.Type.IsRestrictedType()) 1288Error(diagnostics, ErrorCode.ERR_MethodArgCantBeRefAny, node, argument.Type); 1743type: expression.Type, 2665(object)operand.Type != null && 2666!operand.Type.IsNullableType() && 2667!TypeSymbol.Equals(targetType.GetNullableUnderlyingType(), operand.Type, TypeCompareKind.ConsiderEverything2)) 2688if ((object)boundOperand.Type != null && boundOperand.Type.IsNullableType()) 2767if (left?.Type.IsNullableType() == true || right?.Type.IsNullableType() == true) 2795if (boundOperand.Type?.IsNullableType() == true) 2887SymbolDistinguisher distinguisher1 = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 2936case BoundKind.UnconvertedConditionalOperator when operand.Type is null: 2937case BoundKind.UnconvertedSwitchExpression when operand.Type is null: 2961Debug.Assert((object)operand.Type != null); 2962SymbolDistinguisher distinguisher = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 3003Debug.Assert((object)operand.Type != null && !operand.Type.IsNullableType()); 3009var underlyingConversion = Conversions.ClassifyBuiltInConversion(operand.Type, underlyingTargetTypeWithAnnotations.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 3865Debug.Assert(receiver!.Type is not null); 3867placeholderType = receiver.Type; 4313if ((object)boundExpression.Type == null || !boundExpression.Type.IsErrorType()) 4397Debug.Assert(init.Type.IsErrorType()); 4807if (constantValue == null || constantValue.IsBad || expression.Type.SpecialType != SpecialType.System_Int32) 4830var type = expression.Type.SpecialType; 5388Debug.Assert(expression.Type is { }); 5390var expressionPlaceholder = new BoundCollectionExpressionSpreadExpressionPlaceholder(syntax.Expression, expression.Type); 5403_ = expression.Type.HasInlineArrayAttribute(out int length); 5533else if ((object)argument.Type == null) 5545else if (argument.Type.TypeKind == TypeKind.Delegate) 5547var sourceDelegate = (NamedTypeSymbol)argument.Type; 5551if (ReportDelegateInvokeUseSiteDiagnostic(diagnostics, argument.Type, node: node)) 5832Debug.Assert((object)boundLeft.Type != null); 5841type: boundLeft.Type, 6129type: boundMember.Type, 6543({ Type: null } or BoundLiteral or BoundUnconvertedInterpolatedString or BoundBinaryOperator { IsUnconvertedInterpolatedStringAddition: true }) && 7633leftType = BindRangeVariable(left, (RangeVariableSymbol)leftSymbol, BindingDiagnosticBag.Discarded).Type; 7648if (TypeSymbol.Equals(boundType.Type, leftType, TypeCompareKind.AllIgnoreOptions)) 7660Debug.Assert(leftType.Equals(boundValue.Type, TypeCompareKind.ConsiderEverything)); 7678TypeSymbol.Equals(BindNamespaceOrType(id, BindingDiagnosticBag.Discarded).Type, type, TypeCompareKind.AllIgnoreOptions); 7788TypeSymbol leftType = boundLeft.Type; 7826leftType = boundLeft.Type; 8069Error(diagnostics, ErrorCode.WRN_DotOnDefault, node, boundLeft.Type); 8196var leftType = boundLeft.Type; 8331if ((object)boundLeft.Type == null) 8340Error(diagnostics, ErrorCode.ERR_NoSuchMember, name, boundLeft.Type, plainName); 8342else if (WouldUsingSystemFindExtension(boundLeft.Type, plainName)) 8344Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtensionNeedUsing, name, boundLeft.Type, plainName, "System"); 8348Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtension, name, boundLeft.Type, plainName); 8648Debug.Assert(left.Type is not null); 8649Debug.Assert(!left.Type.IsDynamic()); 8741Debug.Assert(left.Type is not null); 8853TypeSymbol? receiverType = left.Type; 8985errorInfo = new CSDiagnosticInfo(ErrorCode.ERR_ExtensionResolutionFailed, left.Type, memberName); 9038TypeSymbol receiverType = receiver.Type; 9229if (receiverOpt is { Type: TypeParameterSymbol { AllowsRefLikeType: true } } && 9271bool isUsableAsField = eventSymbol.HasAssociatedField && this.IsAccessible(eventSymbol.AssociatedField, ref useSiteInfo, (receiver != null) ? receiver.Type : null); 9511if ((object)expr.Type == null) 9532expr.Type.HasInlineArrayAttribute(out int length) && expr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 9544Debug.Assert(expr.Type.TryGetInlineArrayElementField() is not null); 9564{ Code: (int)ErrorCode.ERR_BadIndexLHS, Arguments: [TypeSymbol type] } && type.Equals(expr.Type, TypeCompareKind.ConsiderEverything)) 9691CheckInlineArrayTypeIsSupported(node, expr.Type, elementField.Type, diagnostics); 9742if (TypeSymbol.Equals(convertedIndex.Type, compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.AllIgnoreOptions)) 9790Debug.Assert((object)expr.Type != null); 9793var exprType = expr.Type; 9836var arrayType = (ArrayTypeSymbol)expr.Type; 9883var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(expr.Syntax, isEquivalentToThisReference: expr.IsEquivalentToThisReference, expr.Type) { WasCompilerGenerated = true }; 10047Debug.Assert(expr.Type.IsPointerType()); 10048PointerTypeSymbol pointerType = (PointerTypeSymbol)expr.Type; 10094Debug.Assert((object)expr.Type != null); 10100this.LookupMembersWithFallback(lookupResult, expr.Type, WellKnownMemberNames.Indexer, arity: 0, useSiteInfo: ref useSiteInfo, options: lookupOptions); 10415var argType = argument.Type; 10421Debug.Assert(receiver.Type is not null); 10428var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(receiver.Syntax, isEquivalentToThisReference: receiver.IsEquivalentToThisReference, receiver.Type) { WasCompilerGenerated = true }; 10437Debug.Assert(indexerOrSliceAccess.Type is not null); 10447indexerOrSliceAccess.Type); 10661Debug.Assert(receiverPlaceholder.Type is not null); 10662if (TryLookupLengthOrCount(syntax, receiverPlaceholder.Type, lookupResult, out var lengthOrCountProperty, diagnostics)) 11021Debug.Assert(node.ReceiverOpt!.Type is not null); // extensions are only considered on member access 11052var substituted = (MethodSymbol?)extensionMember.GetReducedAndFilteredSymbol(typeArguments, receiver.Type, Compilation, checkFullyInferred: true); 11058else if (m.ReduceExtensionMethod(receiver.Type, Compilation) is { } reduced) 11237Debug.Assert(node.ReceiverOpt!.Type is not null); // extensions are only considered on member access 11263var substituted = (MethodSymbol?)extensionMember.GetReducedAndFilteredSymbol(typeArguments, receiver.Type, Compilation, checkFullyInferred: true); 11512var receiverType = receiver.Type; 11521var accessType = access.Type; 11660var receiverType = receiver.Type; 11691var 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); 856Debug.Assert(methodGroup.ReceiverOpt != null && (object)methodGroup.ReceiverOpt.Type != null); 858Error(diagnostics, ErrorCode.ERR_BadArgTypeDynamicExtension, syntax, methodGroup.ReceiverOpt.Type, methodGroup.Name); 1085if (!call.HasAnyErrors && call.ReceiverOpt != null && (object)call.ReceiverOpt.Type != null && !call.Method.IsExtensionBlockMember()) 1090if (call.ReceiverOpt.Type.IsRestrictedType() && !call.Method.ContainingType.IsInterface && !TypeSymbol.Equals(call.Method.ContainingType, call.ReceiverOpt.Type, TypeCompareKind.ConsiderEverything2)) 1092SymbolDistinguisher distinguisher = new SymbolDistinguisher(compilation, call.ReceiverOpt.Type, call.Method.ContainingType); 1108(object)dynInvoke.Expression.Type != null && 1109dynInvoke.Expression.Type.IsRestrictedType()) 1113Error(diagnostics, ErrorCode.ERR_BadDynamicMethodArg, dynInvoke.Expression.Syntax, dynInvoke.Expression.Type); 1400if (receiver is BoundValuePlaceholderBase || receiver?.Type is null or { IsReferenceType: true }) 1904receiver.Type.IsValueType && 1975Debug.Assert(typeOrValue.Type.Equals(boundValue.Type, TypeCompareKind.ConsiderEverything)); 2022var type = expr.Type as NamedTypeSymbol; 2077var methodContainer = (object)receiver != null && (object)receiver.Type != null 2078? receiver.Type 2320var methodContainer = expr.Type ?? this.ContainingType; 2526RoslynDebug.Assert(boundExpression.Type is FunctionPointerTypeSymbol); 2528var 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, 271var leftType = left.Type; 344var leftType = left.Type; 387var leftType = left.Type; 438var leftType = left.Type; 782TypeSymbol type = operand.Type; 810Debug.Assert((object)left.Type != null && left.Type.IsDynamic() || (object)right.Type != null && right.Type.IsDynamic()); 834Error(diagnostics, ErrorCode.ERR_InvalidDynamicCondition, node.Left, left.Type, kind == BinaryOperatorKind.LogicalAnd ? "false" : "true"); 840Debug.Assert(left.Type is not TypeParameterSymbol); 954TypeSymbol leftType = left.Type; 955TypeSymbol rightType = right.Type; 990Debug.Assert(right.Type.SpecialType == SpecialType.System_String); 991var stringConstant = FoldBinaryOperator(node, BinaryOperatorKind.StringConcatenation, left, right, right.Type, diagnostics); 992return new BoundBinaryOperator(node, BinaryOperatorKind.StringConcatenation, BoundBinaryOperator.UncommonData.UnconvertedInterpolatedStringAddition(stringConstant), LookupResultKind.Empty, left, right, right.Type); 1197TypeSymbol leftType = left.Type; 1198TypeSymbol rightType = right.Type; 1315(object?)left.Type != null && left.Type.TypeKind == TypeKind.Delegate) 1319var conversion = this.Conversions.ClassifyConversionFromExpression(right, left.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 1321GenerateImplicitConversionError(diagnostics, right.Syntax, conversion, right, left.Type); 1349case (BoundKind.DefaultLiteral, _) when right.Type is TypeParameterSymbol: 1350Debug.Assert(!right.Type.IsReferenceType); 1351Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, right.Type); 1353case (_, BoundKind.DefaultLiteral) when left.Type is TypeParameterSymbol: 1354Debug.Assert(!left.Type.IsReferenceType); 1355Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, left.Type); 1373case LookupResultKind.OverloadResolutionFailure when operatorToken.Kind() is SyntaxKind.PlusToken && isReadOnlySpanOfByte(left.Type) && isReadOnlySpanOfByte(right.Type): 1447if ((object)left.Type != null && left.Type.SpecialType == SpecialType.System_Boolean && 1448(object)right.Type != null && right.Type.SpecialType == SpecialType.System_Boolean) 1450var constantValue = FoldBinaryOperator(node, kind | BinaryOperatorKind.Bool, left, right, left.Type, diagnostics); 1454resultKind: LookupResultKind.Viable, left, right, type: left.Type, hasErrors: constantValue != null && constantValue.IsBad); 1545Debug.Assert(resultLeft.Type.Equals(signature.LeftType, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 1546var operandPlaceholder = new BoundValuePlaceholder(resultLeft.Syntax, resultLeft.Type).MakeCompilerGenerated(); 1602var type = left.Type; 1619if (left.Type is not null) 1621CreateConversion(left.Syntax, new BoundValuePlaceholder(left.Syntax, left.Type).MakeCompilerGenerated(), implicitConversion, isCast: false, conversionGroupOpt: null, InConversionGroupFlags.Unspecified, booleanType, diagnostics); 2111if (left.Type is null && right.Type is null) 2369(object)operand.Type != null && 2370(operand.Type.SpecialType == SpecialType.System_UInt64 || isNuint(operand.Type))) 2423operand.Type is null) // GetUserDefinedOperators performs this check too, let's optimize early 2656return left.Type; 2659return right.Type; 2723BinaryOperatorKind newKind = kind.Operator().WithType(newLeftOperand.Type!.SpecialType); 3283var operandType = operand.Type; 3437var operandType = operand.Type; 3484Debug.Assert(operand.Type is not null); 3490operand.Type, 3527var operandType = operand.Type; 3678Debug.Assert(operand.Type is not null); 4075var operandType = operand.Type as PointerTypeSymbol; 4130TypeSymbol operandType = operand.Type; 4209if (receiver.Type.IsReferenceType) 4335if (isOperandNullOrNew || operand.Type?.IsErrorType() == true) 4363type: operand.Type!); 4417var underlyingType = operand.Type.GetEnumUnderlyingType()!; 4776if ((object)operand.Type == null && !operand.IsLiteralNull()) 4835if ((object)operand.Type == null) 4846var convertedExpression = BindExpressionForPattern(operand.Type, node.Right, ref hasErrors, isPatternDiagnostics, out var constantValueOpt, out var wasExpression, out _); 4853node.Right, convertedExpression, constantValueOpt ?? ConstantValue.Bad, operand.Type, convertedExpression.Type ?? operand.Type, hasErrors) 4873if (operandHasErrors || IsOperatorErrors(node, operand.Type, typeExpression, diagnostics)) 4894operand.Type.IsVoidType()) 4924var operandType = operand.Type; 5324if ((object)operand.Type == null) 5386Debug.Assert(operand.Type is null); 5387operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 5401var operandType = operand.Type; 5434operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 5613TypeSymbol optLeftType = leftOperand.Type; // "A" 5614TypeSymbol optRightType = rightOperand.Type; // "B" 5787TypeSymbol leftType = leftOperand.Type; 5805if (underlyingRightConversion.Exists && rightOperand.Type?.IsDynamic() != true) 5946TypeSymbol trueType = trueExpr.Type; 5947TypeSymbol falseType = falseExpr.Type;

25TypeSymbol? expressionType = expression.Type; 38Debug.Assert(expression.Type is { }); 39BoundPattern pattern = BindPattern(node.Pattern, expression.Type, permitDesignations: true, hasErrors, diagnostics, underIsPattern: true); 67Debug.Assert(expression.Type is object); 68diagnostics.Add(ErrorCode.ERR_IsPatternImpossible, node.Location, expression.Type); 85Debug.Assert(expression.Type is object); 86diagnostics.Add(ErrorCode.WRN_IsPatternAlways, node.Location, expression.Type); 260Debug.Assert(indexerAccess.Type is not null); 261sliceType = indexerAccess.Type; 334Debug.Assert(indexerAccess!.Type is not null); 335elementType = indexerAccess.Type; 439var convertedType = convertedExpression.Type ?? inputType; 527Debug.Assert(expression is { Kind: BoundKind.TypeExpression, Type: { } }); 528hasErrors |= CheckValidPatternType(patternExpression, inputType, expression.Type, diagnostics: diagnostics); 590if (convertedExpression.Type is null && constantValueOpt != ConstantValue.Null) 631RoslynDebug.Assert(expression.Type is { }); 632ConstantValue match = ExpressionOfTypeMatchesPatternType(Conversions, inputType, expression.Type, ref useSiteInfo, out _, operandConstantValue: null); 664if (expression.Type?.SpecialType == SpecialType.System_String && inputType.IsSpanOrReadOnlySpanChar()) 719(conversion.ConversionKind == ConversionKind.NoConversion && convertedExpression.Type?.IsErrorType() == true)) 1645var 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()); 1628if (!hasErrors && op1.Type.IsRefLikeOrAllowsRefLikeType()) 1860Debug.Assert((object)receiver.Type != null); 1861return receiver.Type; 1987this.Conversions.ClassifyConversionFromType(expression.Type, targetType, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 2019expression.Type, 2479var sourceType = operand.Type; 3090hasErrors |= arg.HasErrors || ((object)arg.Type != null && arg.Type.IsErrorType()); 3165if ((object)arg?.Type != null && arg.Type.IsVoidType()) 3229&& TypeSymbol.Equals(argument.Type, this.GetCurrentReturnType(out unusedRefKind), TypeCompareKind.ConsiderEverything2)) 3232Error(diagnostics, ErrorCode.ERR_BadAsyncReturnExpression, argument.Syntax, returnType, argument.Type); 3566else if (expression.Type?.SpecialType == SpecialType.System_Void)

1519receiver = new BoundBadExpression(receiver.Syntax, LookupResultKind.Ambiguous, ImmutableArray<Symbol>.Empty, ImmutableArray.Create(receiver), receiver.Type, hasErrors: true).MakeCompilerGenerated(); 1528Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtension, right, receiver.Type, plainName); 1529receiver = 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; 363TypeSymbol type = expr.Type; 390TypeSymbol tupleType = expr.Type.StrippedType();

20var receiverType = receiver.Type;

453Debug.Assert(variableAccess.Type!.Equals(input.Type, TypeCompareKind.AllIgnoreOptions) || variableAccess.Type.IsErrorType()); 546Debug.Assert(constant.Value.Type is not null || constant.HasErrors); 547output = input = constant.Value.Type is { } type ? MakeConvertToType(input, constant.Syntax, type, isExplicitTest: false, tests) : input; 756var type = rel.Value.Type ?? input.Type;

556(builder.ElementType.IsPointerOrFunctionPointer() && collectionExpr.Type.IsArray()) || 557(builder.ElementType.IsNullableType() && builder.ElementType.GetMemberTypeArgumentsNoUseSiteDiagnostics().Single().IsErrorType() && collectionExpr.Type.IsArray())); 593(collectionConversionClassification.Kind == ConversionKind.ExplicitReference && collectionExpr.Type.SpecialType == SpecialType.System_String)); 662Debug.Assert(collectionType.Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions)); // Should not create an Identity conversion that changes type. 702else if (collectionExpr.Type.SpecialType == SpecialType.System_String && builder.CollectionType.SpecialType == SpecialType.System_Collections_IEnumerable) 720TypeSymbol collectionExprType = collectionExpr.Type; 797TypeSymbol collectionExprType = collectionExpr.Type; 836if (!isAsync && collectionExpr.Type?.HasInlineArrayAttribute(out _) == true && collectionExpr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 867diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 890builder.CollectionType = collectionExpr.Type; 907CheckInlineArrayTypeIsSupported(collectionExpr.Syntax, collectionExpr.Type, elementField.Type, diagnostics); 915diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 928(originalCollectionExpr.Type?.IsNullableType() == true && originalCollectionExpr.Type.StrippedType().Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions))); 939TypeSymbol collectionExprType = collectionExpr.Type; 979var unwrappedCollectionExprType = unwrappedCollectionExpr.Type; 1049builder.CollectionType = collectionExpr.Type; 1346getEnumeratorInfo = FindForEachPatternMethod(syntax, collectionSyntax, collectionExpr.Type, methodName, lookupResult, warningsOnly: true, diagnostics, isAsync); 1596diagnostics.Add(ErrorCode.WRN_PatternIsAmbiguous, collectionSyntax.Location, collectionExpr.Type, MessageID.IDS_Collection.Localize(),

40TypeSymbol? exprType = expr.Type;

289return placeholder.Type?.SpecialType == SpecialType.System_Int32; 582if (node.ExpressionOpt is { Type: { } } expr) 592if (node.Expression is { Type: { } } expr)

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

480if (method.RequiresInstanceReceiver && methodGroup.Receiver?.Type?.IsRestrictedType() == true) 511Debug.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); 1033Debug.Assert(sourceExpression == null || (object)sourceExpression.Type == (object)source); 1075var innerConversion = ClassifyImplicitBuiltInConversionFromExpression(innerExpression, innerExpression.Type, destination, ref useSiteInfo); 1353if (constantValue == null || (object)source.Type == null) 1363var specialSource = source.Type.GetSpecialTypeSafe(); 1419var sourceType = sourceExpression.Type; 1462source.Type is object && 1463IsNumericType(source.Type) && 1923Debug.Assert(sourceExpressionOpt == null || (object)sourceExpressionOpt.Type == sourceType); 1960conversions.ClassifyImplicitExtensionMethodThisArgConversion(s, s.Type, d.Type, ref u, isMethodGroupConversion: false), 3043if (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) 3311TypeSymbol source = argument.Type;

3269if ((object)node.Type != null && Conversions.HasIdentityConversion(node.Type, t)) 4730var argType = argument.Type; 4744Conversions.ClassifyImplicitExtensionMethodThisArgConversion(argument, argument.Type, parameterType, ref useSiteInfo, isMethodGroupConversion: isMethodGroupConversion) : 4745((!dynamicConvertsToAnything || !argument.Type.IsDynamic()) ?

540diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 680diagnostics.Add(ErrorCode.ERR_QueryNoProvider, location, receiverOpt.Type, symbol.Name); 688diagnostics.Add(ErrorCode.ERR_BadAwaitArg, location, receiverOpt.Type); 808new object[] { instanceArgument.Type, inferenceFailed.Member.Name }, 1162diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 1401=> argument is BoundLiteral { Type.SpecialType: SpecialType.System_String } && 1440diagnostics.Add(ErrorCode.ERR_QueryMultipleProviders, location, receiver.Type, name);

48protected TypeSymbol SwitchGoverningType => SwitchGoverningExpression.Type; 395var switchGoverningType = switchGoverningExpression.Type; 457Debug.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; 294(fromExpression ? expressionOpt!.Type : declarationTypeOpt)!.ContainingModule != originalBinder.Compilation.SourceModule)

14NarrowedType.Equals(Value.Type, TypeCompareKind.AllIgnoreOptions));

57return arrayAccess.Expression.Type; 61return arrayAccess.Expression.Type;

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

88return this.Type is null; 145=> 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);

14NarrowedType.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()) && 141var fromType = conversion.Operand.Type; 244var fromType = conversion.Operand.Type; 260if (!conversion.Operand.Type.IsVerifierReference()) 262EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 292if (!conversion.Operand.Type.IsVerifierReference()) 294EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 320var fromType = conversion.Operand.Type; 367EmitSymbolToken(receiver.Type, receiver.Syntax); 373if (!receiver.Type.IsVerifierReference()) 375EmitBox(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; 1944var receiverType = receiver.Type; 2004Debug.Assert(receiver.Type.IsVerifierReference()); 2015Debug.Assert(receiver.Type.IsVerifierReference()); 2035EmitSymbolToken(receiver.Type, receiver.Syntax); 2050var receiverType = receiver.Type; 2113var receiverType = receiver.Type; 2630var rightType = right.Type; 2686if (left.Kind == BoundKind.ArrayAccess && left.Type.TypeKind == TypeKind.TypeParameter && !left.Type.IsValueType) 2710EmitSymbolToken(target.Type, target.Syntax); 3089assignmentOperator.Left.Type, 3136var arrayType = (ArrayTypeSymbol)array.Type; 3150EmitIndirectStore(expression.Type, expression.Syntax); 3155EmitIndirectStore(expression.Type, expression.Syntax); 3161EmitIndirectStore(expression.Type, expression.Syntax); 3173EmitIndirectStore(expression.Type, expression.Syntax); 3178EmitIndirectStore(expression.Type, expression.Syntax); 3424Debug.Assert((object)operand.Type != null); 3425if (!operand.Type.IsVerifierReference()) 3428EmitBox(operand.Type, operand.Syntax); 3451var operandType = operand.Type; 3945if (!(expr.Type.IsInterfaceType() || expr.Type.IsDelegateType())) 3947return expr.Type; 3992return expr.Type; 4063temp = 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"); 1204var receiverType = receiver.Type; 1239var receiverType = receiver.Type; 1357if (receiver.Type.IsTypeParameter()) 1366if (receiver.Type.IsValueType && ( 1669PushEvalStack(new BoundDefaultExpression(node.Syntax, node.Operand.Type), ExprContext.Value);

2277Debug.Assert(result is { Type: not null } || runtimeAwaitCall is { Type: not null }); 2278var returnType = result?.Type ?? runtimeAwaitCall!.Type;

2049type = boundExpr.Type; 2168convertedType = highestBoundExpr.Type; 2174convertedType = highestBoundExpr.Type; 2263static (TypeSymbol, NullabilityInfo) getTypeAndNullability(BoundExpression expr) => (expr.Type, expr.TopLevelNullability); 3375else if (expr.Type.IsDelegateType()) 3685var thisParam = GetThisParameter(boundNode.Type, containingType, containingMember, out resultKind); 3814symbols = OneOrMany.Create<Symbol>(new SynthesizedIntrinsicOperatorSymbol(unaryOperator.Operand.Type.StrippedType(), 3837TypeSymbol opType = increment.Operand.Type.StrippedType(); 3864((binaryOperator.Left.IsLiteralNull() && binaryOperator.Right.Type.IsNullableType()) || 3865(binaryOperator.Right.IsLiteralNull() && binaryOperator.Left.Type.IsNullableType())) && 3879binaryOperator.Left.Type, 3880binaryOperator.Right.Type, 4090TypeSymbol type = boundNode.Type; 4614if (node.SearchExtensions && receiver.Type is { } receiverType) 4756receiverType = call.ReceiverOpt.Type; 4760receiverType = call.Arguments[0].Type; 4790MethodSymbol reduced = method.ReduceExtensionMethod(receiver.Type, Compilation); 4805MethodSymbol reduced = method.ReduceExtensionMethod(receiverOpt.Type, Compilation);

1183return (bound as BoundTupleExpression)?.Type as NamedTypeSymbol;

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

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

643else if ((object)node.Type == null || node.Type.SpecialType != SpecialType.System_Boolean) 1674&& node.Type.SpecialType == SpecialType.System_Boolean) 2245(object)receiverOpt.Type != null && 2246!receiverOpt.Type.IsPrimitiveRecursiveStruct()); 2663&& conv.Operand.Type!.IsNonNullableValueType());

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

1077MayRequireTrackingReceiverType(receiver.Type); 1094MayRequireTrackingReceiverType(receiverOpt.Type) && 1095!receiverOpt.Type.IsPrimitiveRecursiveStruct(); 1333if (_emptyStructTypeCache.IsEmptyStructType(node.Type)) return true; 1546if (elementAccess.Expression.Type.HasInlineArrayAttribute(out int length) && 1550int slot = MakeMemberSlot(elementAccess.Expression, elementAccess.Expression.Type.TryGetInlineArrayElementField()); 2539if (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); 572Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 2116receiver.Type is object; 2127TypeSymbol? nodeType = node.Type; 2163var operandType = operand.Type; 2181TypeSymbol.Equals(conv.Type, conv.Operand.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes): 3726Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4626SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4684SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4689var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4736Debug.Assert(node.Type is object); 4737if (IsEmptyStructType(node.Type)) 4742return GetOrCreatePlaceholderSlot(node, TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated)); 5060Debug.Assert(!node.Expression.Type!.IsValueType); 5074TypeSymbol.Equals(node.Indices[0].Type, compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.ConsiderEverything2)) 5393if (expr.Type is null) 5403TypeWithAnnotations.Create(expr.Type), 5417Debug.Assert(binary.Type!.SpecialType == SpecialType.System_Boolean); 5680var receiverType = conditional.Receiver.Type!; 5709if (slot > 0 && PossiblyNullableType(operand.Type)) 5779LearnFromNullTest(slot, expressionWithoutConversion.Type, ref state, markDependentSlotsNotNull: false); 5893node.Type?.ContainsErrorType() == true || 5894TypeSymbol.Equals(targetType.Type.GetNullableUnderlyingType(), node.Type, TypeCompareKind.AllIgnoreOptions)); 5900targetType = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 6190if (slot > 0 && receiver.Type?.IsNullableType() == true) 6191slot = GetNullableOfTValueSlot(receiver.Type, slot, out _); 6235TypeSymbol? refResultType = node.Type?.SetUnknownNullabilityForReferenceTypes(); 6301resultType ??= node.Type?.SetUnknownNullabilityForReferenceTypes(); 7498TrackAnalyzedNullabilityThroughConversionGroup(TypeWithState.Create(argument.Type, result.RValueType.State), argument as BoundConversion, argumentNoConversion); 7616completion(TypeWithAnnotations.Create(argument.Type)); 8760if (value.Type is null || value.Type.IsDynamic() || value.ConstantValueOpt != null) 8770value.Type.HasInlineArrayAttribute(out _) == true && 8771value.Type.TryGetInlineArrayElementField() is not null) 8911if (TypeAllowsConditionalState(targetType.Type) && TypeAllowsConditionalState(operand.Type)) 9059var tupleOpt = (NamedTypeSymbol?)node.Type; 10258case BoundExpression arg when arg.Type is { TypeKind: TypeKind.Delegate }: 10372Debug.Assert(arg.Type is not null); 10373TypeSymbol argType = arg.Type; 10391Debug.Assert(arg.Type is not null); 10392TypeSymbol argType = arg.Type; 10572var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 10573var lvalueResult = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 11071if (expr.Type is NamedTypeSymbol { IsTupleType: true } tupleType) 11402SetResultType(node.Expression, TypeWithState.Create(node.Expression.Type, ResultType.State)); 11769if (collectionExpression.Type!.SpecialType == SpecialType.System_Collections_IEnumerable) 11772targetTypeWithAnnotations = TypeWithAnnotations.Create(collectionExpression.Type); 11774else if (ForEachLoopBinder.IsIEnumerableT(collectionExpression.Type.OriginalDefinition, isAsync, compilation)) 12031var type = TypeWithAnnotations.Create(node.Type); 12548SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 12725SetResultType(expression, TypeWithState.Create(expression.Type, default)); 12759Debug.Assert(receiverOpt.Type is null || AreCloseEnough(receiverOpt.Type, resultTypeSymbol)); 12847SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12880Debug.Assert(node.Type is null || node.Type.IsErrorType() || node.Type.IsRefLikeType); 12896SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 12900Debug.Assert(node.Type is not null); 12901var type = VisitArrayInitialization(node.Type, initialization, node.HasErrors);

29LearnFromAnyNullPatterns(slot, expression.Type, pattern); 279var originalInputType = node.Expression.Type; 885var originalInputType = node.Expression.Type; 955?? node.Type?.SetUnknownNullabilityForReferenceTypes();

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

469if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 497if (receiver != this.Receiver || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 529public new TypeSymbol Type => base.Type!; 566public new TypeSymbol Type => base.Type!; 595public new TypeSymbol? Type => base.Type; 630public new TypeSymbol Type => base.Type!; 667public new TypeSymbol Type => base.Type!; 703public new TypeSymbol Type => base.Type!; 740public new TypeSymbol Type => base.Type!; 776public new TypeSymbol Type => base.Type!; 811public new TypeSymbol Type => base.Type!; 846public new TypeSymbol Type => base.Type!; 881public new TypeSymbol Type => base.Type!; 919if (refKind != this.RefKind || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 947if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 984if (resultKind != this.ResultKind || symbols != this.Symbols || childBoundNodes != this.ChildBoundNodes || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1067public new TypeSymbol Type => base.Type!; 1115public new TypeSymbol Type => base.Type!; 1156public new TypeSymbol? Type => base.Type; 1193public new TypeSymbol Type => base.Type!; 1238public new TypeSymbol Type => base.Type!; 1278public new TypeSymbol Type => base.Type!; 1309public new TypeSymbol? Type => base.Type; 1352public new TypeSymbol Type => base.Type!; 1382public new TypeSymbol Type => base.Type!; 1417public new TypeSymbol Type => base.Type!; 1454public new TypeSymbol Type => base.Type!; 1488public new TypeSymbol Type => base.Type!; 1519public new TypeSymbol Type => base.Type!; 1550public new TypeSymbol Type => base.Type!; 1582public new TypeSymbol Type => base.Type!; 1614public new TypeSymbol Type => base.Type!; 1648public new TypeSymbol Type => base.Type!; 1708public new TypeSymbol Type => base.Type!; 1803public new TypeSymbol Type => base.Type!; 1843public new TypeSymbol Type => base.Type!; 1878public new TypeSymbol Type => base.Type!; 1916public new TypeSymbol Type => base.Type!; 1960if (leftOperand != this.LeftOperand || rightOperand != this.RightOperand || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1987public new TypeSymbol? Type => base.Type; 2029public new TypeSymbol Type => base.Type!; 2067public new TypeSymbol Type => base.Type!; 2097public new TypeSymbol? Type => base.Type; 2127public new TypeSymbol Type => base.Type!; 2201public new TypeSymbol Type => base.Type!; 2241public new TypeSymbol Type => base.Type!; 2332public new TypeSymbol Type => base.Type!; 2374public new TypeSymbol Type => base.Type!; 2417public new TypeSymbol Type => base.Type!; 2454public new TypeSymbol Type => base.Type!; 2489public new TypeSymbol Type => base.Type!; 2527public new TypeSymbol Type => base.Type!; 2562public new TypeSymbol Type => base.Type!; 2597public new TypeSymbol Type => base.Type!; 2632public new TypeSymbol Type => base.Type!; 2667public new TypeSymbol Type => base.Type!; 2706public new TypeSymbol Type => base.Type!; 2748public new TypeSymbol Type => base.Type!; 2791public new TypeSymbol Type => base.Type!; 2822public new TypeSymbol? Type => base.Type; 2845public new TypeSymbol Type => base.Type!; 2879public new TypeSymbol Type => base.Type!; 2915public new TypeSymbol Type => base.Type!; 2949public new TypeSymbol Type => base.Type!; 2991public new TypeSymbol Type => base.Type!; 3030public new TypeSymbol Type => base.Type!; 3067public new TypeSymbol Type => base.Type!; 3096public new TypeSymbol? Type => base.Type; 3132public new TypeSymbol Type => base.Type!; 4344if (constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 4376public new TypeSymbol Type => base.Type!; 4412public new TypeSymbol Type => base.Type!; 4447public new TypeSymbol Type => base.Type!; 4482public new TypeSymbol Type => base.Type!; 4511public new TypeSymbol? Type => base.Type; 4556public new TypeSymbol Type => base.Type!; 4603public new TypeSymbol Type => base.Type!; 4636public new TypeSymbol Type => base.Type!; 4677public new TypeSymbol Type => base.Type!; 4822if (!Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(label, this.Label) || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 4983if (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)) 5008public new TypeSymbol Type => base.Type!; 5755public new TypeSymbol? Type => base.Type; 5778if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 5804public new TypeSymbol Type => base.Type!; 5840public new TypeSymbol Type => base.Type!; 5877public new TypeSymbol Type => base.Type!; 5932public new TypeSymbol Type => base.Type!; 5966public new TypeSymbol Type => base.Type!; 6003public new TypeSymbol Type => base.Type!; 6046public new TypeSymbol Type => base.Type!; 6078public new TypeSymbol Type => base.Type!; 6195public new TypeSymbol Type => base.Type!; 6242public new TypeSymbol Type => base.Type!; 6284public new TypeSymbol Type => base.Type!; 6325public new TypeSymbol? Type => base.Type; 6365public new TypeSymbol Type => base.Type!; 6443public new TypeSymbol? Type => base.Type; 6480public new TypeSymbol Type => base.Type!; 6523if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6601public new TypeSymbol? Type => base.Type; 6638if (sourceTuple != this.SourceTuple || wasTargetTyped != this.WasTargetTyped || arguments != this.Arguments || argumentNamesOpt != this.ArgumentNamesOpt || inferredNamesOpt != this.InferredNamesOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6737public new TypeSymbol Type => base.Type!; 6792public new TypeSymbol Type => base.Type!; 6845public new TypeSymbol Type => base.Type!; 6912public new TypeSymbol Type => base.Type!; 6951public new TypeSymbol Type => base.Type!; 6987public new TypeSymbol Type => base.Type!; 7020public new TypeSymbol Type => base.Type!; 7062public new TypeSymbol Type => base.Type!; 7125public new TypeSymbol Type => base.Type!; 7159public new TypeSymbol Type => base.Type!; 7190public new TypeSymbol? Type => base.Type; 7245if (!TypeSymbol.Equals(elementType, this.ElementType, TypeCompareKind.ConsiderEverything) || count != this.Count || initializerOpt != this.InitializerOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7267public new TypeSymbol Type => base.Type!; 7301public new TypeSymbol Type => base.Type!; 7346public new TypeSymbol Type => base.Type!; 7380public new TypeSymbol Type => base.Type!; 7417public new TypeSymbol Type => base.Type!; 7461public new TypeSymbol Type => base.Type!; 7515public new TypeSymbol Type => base.Type!; 7558public new TypeSymbol Type => base.Type!; 7597public new TypeSymbol Type => base.Type!; 7639public new TypeSymbol? Type => base.Type; 7683public new TypeSymbol? Type => base.Type; 7721public new TypeSymbol Type => base.Type!; 7788public new TypeSymbol Type => base.Type!; 7839if (parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7867if (!interpolationData.Equals(this.InterpolationData) || parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7895if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7925public new TypeSymbol Type => base.Type!; 7957public new TypeSymbol? Type => base.Type; 8010if (expression != this.Expression || pattern != this.Pattern || 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)) 8610public new TypeSymbol? Type => base.Type; 8647if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 8669public new TypeSymbol? Type => base.Type; 8742public new TypeSymbol? Type => base.Type; 8840public new TypeSymbol? Type => base.Type; 8873public new TypeSymbol Type => base.Type!; 10897TypeSymbol? type = this.VisitType(node.Type); 10903TypeSymbol? type = this.VisitType(node.Type); 10964TypeSymbol? type = this.VisitType(node.Type); 10970TypeSymbol? type = this.VisitType(node.Type); 10977TypeSymbol? type = this.VisitType(node.Type); 11173TypeSymbol? type = this.VisitType(node.Type); 11591TypeSymbol? type = this.VisitType(node.Type); 11665TypeSymbol? type = this.VisitType(node.Type); 11694TypeSymbol? type = this.VisitType(node.Type); 11842TypeSymbol? type = this.VisitType(node.Type); 11979TypeSymbol? type = this.VisitType(node.Type); 12002TypeSymbol? type = this.VisitType(node.Type); 12113TypeSymbol? type = this.VisitType(node.Type); 12224TypeSymbol? type = this.VisitType(node.Type); 12230TypeSymbol? type = this.VisitType(node.Type); 12235TypeSymbol? type = this.VisitType(node.Type); 12258TypeSymbol? type = this.VisitType(node.Type); 12383TypeSymbol? type = this.VisitType(node.Type); 12497updatedNode = node.Update(receiver, node.Type); 12663updatedNode = node.Update(expression, node.Type); 12681updatedNode = node.Update(node.ResultKind, node.Symbols, childBoundNodes, node.Type); 13058updatedNode = node.Update(leftOperand, rightOperand, node.Type); 13859updatedNode = node.Update(expression, switchArms, reachabilityDecisionDag, node.DefaultLabel, node.ReportedNotExhaustive, node.Type); 13954updatedNode = node.Update(expression, node.Type); 14316updatedNode = node.Update(sourceTuple, node.WasTargetTyped, arguments, node.ArgumentNamesOpt, node.InferredNamesOpt, node.Type); 14599updatedNode = node.Update(elementType, count, initializerOpt, node.Type); 14837updatedNode = node.Update(parts, node.ConstantValueOpt, node.Type); 14854updatedNode = node.Update(node.InterpolationData, parts, node.ConstantValueOpt, node.Type); 14916updatedNode = node.Update(expression, pattern, node.IsNegated, reachabilityDecisionDag, node.WhenTrueLabel, node.WhenFalseLabel, node.Type); 15056updatedNode = node.Update(expression, node.Type); 15198new TreeDumperNode("type", node.Type, null), 15206new TreeDumperNode("type", node.Type, null), 15295new TreeDumperNode("type", node.Type, null), 15303new TreeDumperNode("type", node.Type, null), 15313new TreeDumperNode("type", node.Type, null), 15586new TreeDumperNode("type", node.Type, null), 16150new TreeDumperNode("type", node.Type, null), 16252new TreeDumperNode("type", node.Type, null), 16288new TreeDumperNode("type", node.Type, null), 16474new TreeDumperNode("type", node.Type, null), 16691new TreeDumperNode("type", node.Type, null), 16725new TreeDumperNode("type", node.Type, null), 16891new TreeDumperNode("type", node.Type, null), 17058new TreeDumperNode("type", node.Type, null), 17068new TreeDumperNode("type", node.Type, null), 17075new TreeDumperNode("type", node.Type, null), 17107new TreeDumperNode("type", node.Type, null), 17261new 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)),

110var nodeType = node.Expression.Type;

585Debug.Assert(TypeSymbol.Equals(result.Type, frameType, TypeCompareKind.ConsiderEverything2)); 700BoundExpression assignment = new BoundAssignmentOperator(syntax, left, right, left.Type); 793var assignToProxy = new BoundAssignmentOperator(syntax, left, value, value.Type); 1254rewrittenExceptionSource.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); 708var operandType = node.Operand.Type; 717? Convert(Visit(node.Operand), node.Operand.Type, method.Parameters[0].Type, node.Checked, false) 733if (node.Operand.Type.IsNullableType()) 735return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 742var e1 = Convert(Visit(node.Operand), node.Operand.Type, intermediate, node.Checked, false); 748return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 772else if (!receiver.Type.IsReferenceType) 816var d = node.Argument.Type as NamedTypeSymbol; 837if ((object)operand.Type == null && operand.ConstantValueOpt != null && operand.ConstantValueOpt.IsNull) 908var fromType = leftPlaceholder.Type; 1109Debug.Assert(args.Type.IsSZArray()); 1167if (node.ReceiverOpt?.Type.IsTypeParameter() == true && 1168!node.ReceiverOpt.Type.IsReferenceType) 1238var promotedType = PromotedType(arg.Type.StrippedType().GetEnumUnderlyingType()); 1240loweredArg = Convert(loweredArg, arg.Type, promotedType, isChecked, false); 1260_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()) 402expr.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);

575Debug.Assert(invocation.Type is not null); 585if (invocation.Type.SpecialType != SpecialType.System_Void)

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

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

263TypeSymbol? type = node.Type; 284Debug.Assert(visited == null || visited.HasErrors || ReferenceEquals(visited.Type, node.Type) || 285visited.Type is { } && visited.Type.Equals(node.Type, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || 306type: visited.Type); 516Debug.Assert(value.Type is { } && (value.Type.Equals(placeholder.Type, TypeCompareKind.AllIgnoreOptions) || value.HasErrors)); 581Debug.Assert(node.Type is { }); 582return BadExpression(node.Syntax, node.Type, ImmutableArray.Create(node)); 835var indexType = VisitType(node.Indices[0].Type); 847Debug.Assert(node.Expression.Type is { TypeKind: TypeKind.Array }); 848var elementType = ((ArrayTypeSymbol)node.Expression.Type).ElementTypeWithAnnotations; 1069Debug.Assert(eventAccess.ReceiverOpt.Type is { }); 1070return !eventAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(eventAccess.ReceiverOpt); 1080Debug.Assert(fieldAccess.ReceiverOpt.Type is { }); 1081return !fieldAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(fieldAccess.ReceiverOpt); 1165Debug.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));

203TypeSymbol inputType = input.Type; 217Conversion conversion = _factory.Compilation.Conversions.ClassifyBuiltInConversion(inputType, output.Type, isChecked: false, ref useSiteInfo); 225inputType.GetNullableUnderlyingType().Equals(output.Type, TypeCompareKind.AllIgnoreOptions) && 347Debug.Assert(input.Type is { }); 351return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullNotEqual : BinaryOperatorKind.NotEqual); 358return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullEqual : BinaryOperatorKind.Equal); 361Debug.Assert(!input.Type.IsNullableType()); 365Debug.Assert(!input.Type.IsNullableType()); 366Debug.Assert(input.Type.IsValueType); 376Debug.Assert(!rewrittenExpr.Type.IsSpanOrReadOnlySpanChar()); 378if (rewrittenExpr.Type.IsPointerOrFunctionPointer()) 396if (value.IsString && input.Type.IsSpanOrReadOnlySpanChar()) 401TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 410if (input.Type.SpecialType == SpecialType.System_Double && double.IsNaN(value.DoubleValue) || 411input.Type.SpecialType == SpecialType.System_Single && float.IsNaN(value.SingleValue)) 417BoundExpression literal = _localRewriter.MakeLiteral(syntax, value, input.Type); 418TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 446var isReadOnlySpan = input.Type.IsReadOnlySpanChar(); 488Debug.Assert(output.Type is { }); 490testExpression = _factory.ObjectNotEqual(output, _factory.Null(output.Type)); 524Debug.Assert(loweredInput.Type is { }); 565if (loweredInput.Type.IsTupleType && 566!loweredInput.Type.OriginalDefinition.Equals(_factory.Compilation.GetWellKnownType(WellKnownType.System_ValueTuple_TRest)) && 640var temp = new BoundDagTemp(expr.Syntax, expr.Type, fieldFetchEvaluation);

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

395TypeSymbol? 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); 686Debug.Assert(rewrittenReceiver.Type is { }); 706refKind = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter ? RefKind.Ref : RefKind.None; 710if (rewrittenReceiver.Type.IsReferenceType) 951Debug.Assert(rewrittenReceiver.Type is { }); 957if (rewrittenReceiver.Type.IsReferenceType || 1195optimized = CreateArrayEmptyCallIfAvailable(possibleParamsArray.Syntax, ((ArrayTypeSymbol)possibleParamsArray.Type!).ElementType); 1637Debug.Assert(value.Type is { }); 1666value.Type);

160Debug.Assert(singleSpread.Expression.Type is not null); 162if (!ShouldUseIEnumerableBulkAddMethod(singleSpread.Expression.Type, toListOfElementType.Parameters[0].Type, singleSpread.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 208Elements: [BoundCollectionExpressionSpreadElement { Expression: { Type: NamedTypeSymbol spreadType } expr }], 377Debug.Assert(list.Type is { }); 378Debug.Assert(list.Type.OriginalDefinition.Equals(_compilation.GetWellKnownType(WellKnownType.System_Collections_Generic_List_T), TypeCompareKind.AllIgnoreOptions)); 380var listToArray = ((MethodSymbol)_factory.WellKnownMember(WellKnownMember.System_Collections_Generic_List_T__ToArray)).AsMember((NamedTypeSymbol)list.Type); 737var spreadTypeOriginalDefinition = spreadExpression.Type!.OriginalDefinition; 743return _factory.Call(rewrittenSpreadExpression, listToArrayMethod.AsMember((NamedTypeSymbol)spreadExpression.Type!)); 753&& ShouldUseIEnumerableBulkAddMethod(spreadExpression.Type!, linqToArrayMethod.Parameters[0].Type, spreadElement.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 760&& TryGetSpanConversion(spreadExpression.Type, writableOnly: false, out var asSpanMethod)) 762var spanType = CallAsSpanMethod(spreadExpression, asSpanMethod).Type!.OriginalDefinition; 767return _factory.Call(rewrittenSpreadExpression, toArrayMethod.AsMember((NamedTypeSymbol)rewrittenSpreadExpression.Type!)); 870Debug.Assert(arrayTemp.Type is ArrayTypeSymbol); 873var elementType = ((ArrayTypeSymbol)arrayTemp.Type).ElementType; 1001var type = expression.Type; 1068if (spreadOperandAsSpan.Type!.OriginalDefinition.Equals(this._compilation.GetWellKnownType(wellKnownSpanType)) 1107var spreadLength = _factory.Call(spreadOperandAsSpan, getLengthMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!)); 1108var targetSlice = _factory.Call(spanTemp, spanSliceMethod.AsMember((NamedTypeSymbol)spanTemp.Type!), indexTemp, spreadLength); 1109sideEffects.Add(_factory.Call(spreadOperandAsSpan, copyToMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!), targetSlice)); 1231Debug.Assert(spanTemp.Type is NamedTypeSymbol); 1234var elementType = ((NamedTypeSymbol)spanTemp.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0].Type; 1301Debug.Assert(rewrittenSpreadOperand.Type is not null); 1306if (!ShouldUseIEnumerableBulkAddMethod(rewrittenSpreadOperand.Type, addRangeMethod.Parameters[0].Type, spreadElement.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 1441_factory.Binary(BinaryOperatorKind.Addition, sum.Type!, sum, value); 1476if (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)); 235Debug.Assert(assignment.Type is { }); 236return new BoundSequence(syntax, [binaryResult.LocalSymbol], [assignmentToTemp], assignment, assignment.Type); 292Debug.Assert(rewrittenReceiver.Type is { }); 312var variableRepresentsLocation = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter; 315isKnownToReferToTempIfReferenceType = !variableRepresentsLocation || rewrittenReceiver.Type.IsValueType || 544indexerAccess.Argument.Type, 551throw ExceptionUtilities.UnexpectedValue(indexerAccess.Argument.Type); 572if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 600Debug.Assert(receiver is { Type: { } }); 605else if (!receiver.Type.IsReferenceType) 610Debug.Assert(receiver.Type.IsReferenceType); 614Debug.Assert(rewrittenReceiver.Type is { }); 615if (rewrittenReceiver.Type.IsTypeParameter()) 753Debug.Assert(implicitIndexerAccess.Argument.Type!.Equals(_compilation.GetWellKnownType(WellKnownType.System_Index)) 754|| implicitIndexerAccess.Argument.Type!.Equals(_compilation.GetWellKnownType(WellKnownType.System_Range))); 783if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 964var type = expression.Type; 980var type = expression.Type; 1036Debug.Assert(expression.Type is { }); 1037if (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)) 427Debug.Assert(rewrittenOperand.Type is { }); 433if (rewrittenType.SpecialType == SpecialType.System_Decimal || rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 435return RewriteDecimalConversion(syntax, rewrittenOperand, rewrittenOperand.Type, rewrittenType, @checked, conversion.Kind.IsImplicitConversion(), constantValueOpt); 442Debug.Assert(rewrittenOperand.Type is { }); 445Debug.Assert(rewrittenOperand.Type.Equals(rewrittenType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 488Debug.Assert(rewrittenOperand.Type is { }); 498Debug.Assert(rewrittenOperand.Type.IsEnumType()); 499var underlyingTypeFrom = rewrittenOperand.Type.GetEnumUnderlyingType()!; 503else if (rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 511var rewrittenNode = RewriteDecimalConversion(syntax, rewrittenOperand, rewrittenOperand.Type, underlyingTypeTo, @checked, isImplicit: false, constantValueOpt: constantValueOpt); 557(symbolOpt.IsAbstract || symbolOpt.IsVirtual) ? mg.ReceiverOpt?.Type : null, 596Debug.Assert(rewrittenOperand.Type is not null); 611createSpan = createSpan.Construct(rewrittenOperand.Type, spanType.TypeArgumentsWithAnnotationsNoUseSiteDiagnostics.Single().Type); 612_ = rewrittenOperand.Type.HasInlineArrayAttribute(out int length); 620var sourceType = rewrittenOperand.Type; 637Debug.Assert(rewrittenOperand.Type?.IsSZArray() == true); 664Debug.Assert(implicitOperator.ParameterTypesWithAnnotations[0].Type.Equals(rewrittenOperand.Type, TypeCompareKind.AllIgnoreOptions)); 698Debug.Assert(method.ParameterTypesWithAnnotations[0].Type.Equals(rewrittenOperand.Type, TypeCompareKind.AllIgnoreOptions)); 714Debug.Assert(rewrittenOperand.Type?.IsStringType() == true); 826Debug.Assert(rewrittenOperand.Type is { }); 828Conversion conversion = compilation.Conversions.ClassifyConversionFromType(rewrittenOperand.Type, rewrittenType, isChecked: @checked, ref useSiteInfo); 834rewrittenOperand.Type.SpecialType != SpecialType.System_Decimal && 835rewrittenOperand.Type.SpecialType != SpecialType.System_DateTime) 841rewrittenOperand.Type, 887if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.BestUserDefinedConversionAnalysis.FromType, TypeCompareKind.ConsiderEverything2)) 897if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.Method.GetParameterType(0), TypeCompareKind.ConsiderEverything2)) 910Debug.Assert(rewrittenOperand.Type is { }); 911if (rewrittenOperand.Type.IsNullableType() && 912conversion.Method.GetParameterType(0).Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 916userDefinedConversionRewrittenType = ((NamedTypeSymbol)rewrittenOperand.Type.OriginalDefinition).Construct(userDefinedConversionRewrittenType); 926if (!TypeSymbol.Equals(userDefined.Type, conversion.BestUserDefinedConversionAnalysis.ToType, TypeCompareKind.ConsiderEverything2)) 935if (!TypeSymbol.Equals(userDefined.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)) 967Debug.Assert(rewrittenOperand.Type is { }); 971var tupleTypeSymbol = (NamedTypeSymbol)rewrittenOperand.Type; 1008Debug.Assert(expression.Type is { }); 1009if (!expression.Type.IsNullableType()) 1021when convertedArgument.Type!.Equals(expression.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions): 1026when underlying.Length == 1 && underlying[0].Kind == ConversionKind.ImplicitTuple && !convertedArgument.Type!.IsNullableType(): 1062TypeSymbol? rewrittenOperandType = rewrittenOperand.Type; 1112Debug.Assert(rewrittenOperand.Type is { }); 1113TypeSymbol rewrittenOperandType = rewrittenOperand.Type; 1327Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 1328Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 1360Debug.Assert(rewrittenOperand.Type is { }); 1361if (rewrittenOperand.Type.IsNullableType()) 1364if (parameterType.Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 1380if ((rewrittenOperand.Type.IsArray()) && _compilation.IsReadOnlySpanType(rewrittenType)) 1392Debug.Assert(TypeSymbol.Equals(result.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)); 1415Debug.Assert(rewrittenOperand.Type is { }); 1418Conversion conv = TryMakeConversion(syntax, conversion, rewrittenOperand.Type, rewrittenType, @checked: @checked); 1432Debug.Assert(rewrittenOperand.Type.IsNullableType()); 1509Debug.Assert(rewrittenOperand.Type is { }); 1512TypeSymbol source = rewrittenOperand.Type; 1735Debug.Assert(operand.Type is { }); 1736return 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: { } }); 264var tupleType = NamedTypeSymbol.CreateTuple(locationOpt: null, elementTypesWithAnnotations: builder!.SelectAsArray(e => TypeWithAnnotations.Create(e.Type)), 318Debug.Assert(right.Type is { }); 319if (right.Type.IsTupleType) 337Debug.Assert(expression.Type is { }); 338Debug.Assert(expression.Type.IsTupleType); 339var tupleType = expression.Type; 462Debug.Assert(variable.Type is { }); 464effects, 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; 501Debug.Assert(receiver.Type is { }); 502if (!receiver.Type.IsReferenceType && method.ContainingType.IsInterface) 600NamedTypeSymbol? collectionType = (NamedTypeSymbol?)collectionExpression.Type; 739Debug.Assert(rewrittenExpression.Type is not null); 868Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 896Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 900ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type; 1017Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1045Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1049ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type;

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

121Debug.Assert(oldNode.Type is not null); 122Debug.Assert(oldNode.Type.Equals(type, TypeCompareKind.ConsiderEverything)); 218Debug.Assert(call.Type is not null); 233call.Type); 242Debug.Assert(node.Expression.Type is object); 243Debug.Assert(node.Argument.Type is object); 258_ = node.Expression.Type.HasInlineArrayAttribute(out int length); 260if (node.Argument.Type.SpecialType == SpecialType.System_Int32) 268if (TypeSymbol.Equals(node.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.AllIgnoreOptions)) 280Debug.Assert(TypeSymbol.Equals(node.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.AllIgnoreOptions)); 362Debug.Assert(node.Expression.Type is object); 374return createSpan.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 379Debug.Assert(node.Expression.Type is object); 380Debug.Assert(index.Type?.SpecialType == SpecialType.System_Int32); 382var intType = (NamedTypeSymbol)index.Type; 401elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 420elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 475node.Argument.Type, 484node.Argument.Type, 522node.Argument.Type, 538Debug.Assert(receiver.Type is { }); 544receiver.Type.IsReferenceType ? RefKind.None : RefKind.Ref); 602Debug.Assert(integerArgument.Type!.SpecialType == SpecialType.System_Int32); 699Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 710Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 717loweredExpr.Type, 750unloweredExpr.Type, 758Debug.Assert(hatExpression.Operand is { Type: { SpecialType: SpecialType.System_Int32 } }); 762else if (unloweredExpr is BoundConversion { Operand: { Type: { SpecialType: SpecialType.System_Int32 } } operand }) 771arguments[0] is { Type.SpecialType: SpecialType.System_Int32, ConstantValueOpt.Value: int _ and >= 0 } index && 772arguments[1] is { Type.SpecialType: SpecialType.System_Boolean, ConstantValueOpt.Value: bool fromEnd }) 815node.Argument.Type, 841Debug.Assert(receiver.Type is { }); 847receiver.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)); 49Debug.Assert(assignment.Type is { }); 50assignment = new BoundSequence(syntax, [rightResult.LocalSymbol], [assignmentToTemp], assignment, assignment.Type); 58var leftPlaceholder = new BoundValuePlaceholder(lhsRead.Syntax, lhsRead.Type); 59BoundExpression conditionalExpression = MakeNullCoalescingOperator(syntax, lhsRead, assignment, leftPlaceholder: leftPlaceholder, leftConversion: leftPlaceholder, BoundNullCoalescingOperatorResultKind.LeftType, node.LeftOperand.Type); 60Debug.Assert(conditionalExpression.Type is { }); 69conditionalExpression.Type); 76Debug.Assert(node.LeftOperand.Type.IsNullableType()); 85leftOperand.Type, 93leftOperand.Type, 125Debug.Assert(transformedLHS.Type.GetNullableUnderlyingType().Equals(tmp.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions)); 128Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.LeftOperand.Type, TypeCompareKind.AllIgnoreOptions)); 133MakeConversionNode(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(TypeSymbol.Equals(rangeArgument.Type, _compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.ConsiderEverything)); 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)) 539Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 700Debug.Assert(_compilation.Conversions.ClassifyConversionFromType(rewrittenReceiver.Type, memberSymbol.ContainingType, isChecked: false, ref discardedUseSiteInfo).IsImplicit || 701(memberSymbol.IsExtensionBlockMember() && !memberSymbol.IsStatic && ConversionsBase.IsValidExtensionMethodThisArgConversion(_compilation.Conversions.ClassifyConversionFromType(rewrittenReceiver.Type, memberSymbol.ContainingType.ExtensionParameter!.Type, isChecked: false, ref discardedUseSiteInfo))) || 702_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); 361isNullable = !(expr is BoundTupleExpression) && expr.Type is { } && expr.Type.IsNullableType(); 373Debug.Assert(expr.Type is { }); 376value = new BoundDefaultExpression(expr.Syntax, expr.Type.StrippedType()); 403Debug.Assert(expr.Type is { }); 409when expr.Type.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && !underlying[0].IsUserDefined: 443expr.Type is { } exprType && exprType.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && nested[0] is { IsTupleConversion: true } tupleConversion: 445Debug.Assert(expr.Type is { }); 448Debug.Assert(operand.Type is { }); 449var types = expr.Type.GetNullableUnderlyingType().TupleElementTypesWithAnnotations; 450int tupleCardinality = operand.Type.TupleElementTypesWithAnnotations.Length; 466type: expr.Type, 529Debug.Assert(tuple.Type is { IsTupleType: true }); 535return 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)); 586TypeSymbol? operandType = transformedLHS.Type; //type of the variable being incremented 660Debug.Assert(boundTemp.Type is not null); 686type: boundTemp.Type); 699Debug.Assert(boundTemp.Type is not null); 702Debug.Assert(tempValue.Type is { }); 711tempValue.Type); 725type: boundTemp.Type); 931Debug.Assert(binaryOperand.Type is { TypeKind: TypeKind.Pointer }); 932Debug.Assert(boundOne.Type is { SpecialType: SpecialType.System_Int32 }); 933return MakeBinaryOperator(node.Syntax, binaryOperatorKind, binaryOperand, boundOne, binaryOperand.Type, method: null, constrainedToTypeOpt: null); 985Debug.Assert(operand.Type is { SpecialType: SpecialType.System_Decimal }); 992Debug.Assert(operand.Type is { } && operand.Type.IsNullableType() && operand.Type.GetNullableUnderlyingType().SpecialType == SpecialType.System_Decimal); 996MethodSymbol getValueOrDefault = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T_GetValueOrDefault); 997MethodSymbol ctor = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T__ctor); 1008BoundExpression alternative = new BoundDefaultExpression(syntax, operand.Type); 1011return 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) 1047Debug.Assert(refKind == RefKind.None || !receiver.Type.IsReferenceType); 1056var receiverType = receiver.Type; 1087if (!receiver.Type.IsReferenceType && LocalRewriter.CanBePassedByReference(receiver)) 1089result = receiver.Type.IsReadOnly ? RefKind.In : RefKind.Ref; 1160Debug.Assert(condition.Type.SpecialType == SpecialType.System_Boolean); 1163var tmp = _F.SynthesizedLocal(condition.Type, kind: SynthesizedLocalKind.Spill, syntax: _F.Syntax); 1210type: node.Type)); 1267_F.ObjectEqual(_F.Local(tmp), _F.Null(left.Type)), 1299if (receiver.Type.IsReferenceType || receiver.Type.IsValueType || receiverRefKind == RefKind.None) 1319var clone = _F.SynthesizedLocal(receiver.Type, _F.Syntax, refKind: RefKind.None, kind: SynthesizedLocalKind.Spill); 1323var isNotClass = _F.IsNotNullReference(_F.Default(receiver.Type)); 1491return UpdateExpression(builder, node.Update(operand, node.Type)); 1535return 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);

267Debug.Assert(receiverOpt is null || receiverOpt.Type is { } && 268receiverOpt.Type.GetMembers(propertySym.Name).OfType<PropertySymbol>().Single() == propertySym); 279Debug.Assert(!(receiverOpt is { Type: ArrayTypeSymbol { IsSZArray: true } } && 439Debug.Assert(left.Type is { } && right.Type is { } && 440(left.Type.Equals(right.Type, TypeCompareKind.AllIgnoreOptions) || 442right.Type.IsErrorType() || left.Type.IsErrorType())); 444var assignment = new BoundAssignmentOperator(syntax, left, right, isRef, left.Type, hasErrors) { WasCompilerGenerated = wasCompilerGenerated }; 569var conversion = Compilation.Conversions.ClassifyConversionFromType(expression.Type, CurrentFunction.ReturnType, isChecked: false, ref useSiteInfo); 658Conversion c = Compilation.Conversions.ClassifyBuiltInConversion(operand.Type, type, isChecked: false, ref discardedUseSiteInfo); 664Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 665Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 671Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 672Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 691if (value.Type is TypeParameterSymbol { AllowsRefLikeType: true }) 801switch (input.Type) 810throw ExceptionUtilities.UnexpectedValue(input.Type); 935Debug.Assert(valueTypeReceiver.Type is { }); 936Debug.Assert(TypeSymbol.Equals(valueTypeReceiver.Type, referenceTypeReceiver.Type, TypeCompareKind.ConsiderEverything2)); 937return new BoundComplexConditionalReceiver(Syntax, valueTypeReceiver, referenceTypeReceiver, valueTypeReceiver.Type) { WasCompilerGenerated = true }; 942Debug.Assert(left.Type!.Equals(right.Type, TypeCompareKind.IgnoreCustomModifiersAndArraySizesAndLowerBounds | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || left.Type.IsErrorType()); 943Debug.Assert(left.Type.IsReferenceType); 945return new BoundNullCoalescingOperator(Syntax, left, right, leftPlaceholder: null, leftConversion: null, BoundNullCoalescingOperatorResultKind.LeftType, @checked: false, left.Type) { WasCompilerGenerated = true }; 1053Debug.Assert(result.Type is { }); 1054var resultType = type ?? result.Type; 1060Debug.Assert(result.Type is { }); 1064: new BoundSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1069Debug.Assert(result.Type is { }); 1070return new BoundSpillSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1099Debug.Assert(ex.Type is { SpecialType: CodeAnalysis.SpecialType.System_Int32 }); 1194Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1200Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1201int rank = ((ArrayTypeSymbol)array.Type).Rank; 1213Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1214return new BoundArrayAccess(Syntax, array, indices, ((ArrayTypeSymbol)array.Type).ElementType); 1519if (TypeSymbol.Equals(type, arg.Type, TypeCompareKind.ConsiderEverything2)) 1529Debug.Assert(arg.Type is { }); 1616return new BoundCatchBlock(Syntax, ImmutableArray<LocalSymbol>.Empty, source, source.Type, exceptionFilterPrologueOpt: null, exceptionFilterOpt: null, body: block, isSynthesizedAsyncCatchAll: false); 1636Debug.Assert(expression is { Type: { SpecialType: CodeAnalysis.SpecialType.System_Boolean } }); 1637return new BoundUnaryOperator(expression.Syntax, UnaryOperatorKind.BoolLogicalNegation, expression, null, null, constrainedToTypeOpt: null, LookupResultKind.Viable, expression.Type); 1657Debug.Assert(argument.Type is { }); 1690var type = argument.Type; 1760TypeSymbol exprType = rewrittenExpr.Type; 1814LocalRewriter.UnsafeGetNullableMethod(syntax, expression.Type, CodeAnalysis.SpecialMember.System_Nullable_T_get_HasValue, Compilation, Diagnostics)); 1878return conditionalAccess.Update(conditionalAccess.Receiver, conditionalAccess.HasValueMethodOpt, whenNotNull, whenNull, conditionalAccess.Id, conditionalAccess.ForceCopyOfNullableValueType, whenNotNull.Type);

1082if (boundOperand.Kind == BoundKind.ConvertedTupleLiteral && TypeSymbol.Equals(boundOperand.Type, boundConversion.Type, TypeCompareKind.ConsiderEverything2)) 1103!TypeSymbol.Equals(nestedConversion.Type, nestedOperand.Type, TypeCompareKind.ConsiderEverything2)) 1587boundNullCoalescingOperator.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())

1000conversion.IsIdentity && parameterType.SpecialType == SpecialType.System_Object && defaultExpression.Type.IsDynamic()) 1014(object)defaultExpression.Type != null && 1015defaultExpression.Type.SpecialType == SpecialType.System_String || 1025else if (((conversion.IsNullable && !defaultExpression.Type.IsNullableType()) || 1026(conversion.IsObjectCreation && convertedExpression.Type.IsNullableType())) && 1043(defaultExpression.IsImplicitObjectCreation() ? convertedExpression.Type.StrippedType() : defaultExpression.Type), parameterSyntax.Identifier.ValueText);

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

554if ((object)initializerOpt.Type != null && !initializerOpt.Type.IsErrorType()) 556type = TypeWithAnnotations.Create(initializerOpt.Type);

208Debug.Assert(value.Type is not null); 209if (value.Type.IsValueType) 216else if (!value.Type.IsRestrictedType())

428public override TypeWithAnnotations ReturnTypeWithAnnotations => TypeWithAnnotations.Create(_userEntryPointInvocation.Type);

1736Assert.Equal(SpecialType.System_Collections_IEnumerable, boundNode.Expression.Type.SpecialType); 1737Assert.Equal(SymbolKind.ArrayType, ((BoundConversion)boundNode.Expression).Operand.Type.Kind); 1774Assert.Equal(SpecialType.System_String, boundNode.Expression.Type.SpecialType); 1775Assert.Equal(SpecialType.System_String, ((BoundConversion)boundNode.Expression).Operand.Type.SpecialType); 1818Assert.Equal("Enumerable", boundNode.Expression.Type.ToTestDisplayString()); 1819Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 1862Assert.Equal("Enumerable", boundNode.Expression.Type.ToTestDisplayString()); 1863Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 1895Assert.Equal("System.Collections.IEnumerable", boundNode.Expression.Type.ToTestDisplayString()); 1896Assert.Equal("System.Collections.IEnumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 1935Assert.Equal("System.Collections.Generic.IEnumerable<System.Int32>", boundNode.Expression.Type.ToTestDisplayString()); 1936Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 1977Assert.Equal(SpecialType.System_Collections_IEnumerable, boundNode.Expression.Type.SpecialType); 1978Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 2016Assert.Equal(SpecialType.System_Collections_IEnumerable, boundNode.Expression.Type.SpecialType); 2017Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 2197Assert.Equal(SpecialType.System_Collections_IEnumerable, boundNode.Expression.Type.SpecialType); 2198Assert.Equal(TypeKind.Dynamic, ((BoundConversion)boundNode.Expression).Operand.Type.TypeKind); 2230Assert.Equal(SpecialType.System_Collections_IEnumerable, boundNode.Expression.Type.SpecialType); 2231Assert.Equal(SymbolKind.DynamicType, ((BoundConversion)boundNode.Expression).Operand.Type.Kind); 2271Assert.Equal("Enumerable<T>", boundNode.Expression.Type.ToTestDisplayString()); 2272Assert.Equal("Enumerable<T>", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 2355Assert.Equal("Enumerable<T>", boundNode.Expression.Type.ToTestDisplayString()); 2356Assert.Equal("Enumerable<T>", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 2402Assert.Equal("Enumerable", boundNode.Expression.Type.ToTestDisplayString()); 2403Assert.Equal("Enumerable", ((BoundConversion)boundNode.Expression).Operand.Type.ToTestDisplayString()); 3754Assert.Equal("C", info.GetEnumeratorInfo.Arguments.Single().Type.ToTestDisplayString()); 3764Assert.Equal("C", boundNode.Expression.Type.ToDisplayString());