429this.Type = type; 435this.Type = type;

866RoslynDebug.Assert(expression.Type is object); 867return expression.Type;

699Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 726if ((expr.ConstantValueOpt != null) || (expr.Type.GetSpecialTypeSafe() == SpecialType.System_Void)) 916getItemOrSliceHelper = getItemOrSliceHelper.AsMember(getItemOrSliceHelper.ContainingType.Construct(ImmutableArray.Create(elementAccess.Expression.Type.TryGetInlineArrayElementField().TypeWithAnnotations))); 987indices[0].Type, 1020Error(diagnostics, ErrorCode.ERR_BadSKunknown, expr.Syntax, expr.Type, MessageID.IDS_SK_TYPE.Localize()); 1651&& receiver?.Type?.IsValueType == true; 1883if (receiver is BoundObjectOrCollectionValuePlaceholder && receiver.Type.IsAnonymousType) 2061if (methodInfo.Method?.RequiresInstanceReceiver == true && receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2218if (receiver?.Type?.IsRefLikeOrAllowsRefLikeType() == true) 2314Debug.Assert(receiver.Type is { }); 2319Debug.Assert(receiver is not BoundValuePlaceholderBase && method is not null && receiver.Type?.IsReferenceType == false); 2324receiver = new BoundCapturedReceiverPlaceholder(receiver.Syntax, receiver, _localScopeDepth, receiver.Type).MakeCompilerGenerated(); 2439if (receiver.Type is TypeParameterSymbol typeParameter) 3321Debug.Assert(expr.Type is not null); 3353if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 3654Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 3669if (expr.Type?.GetSpecialTypeSafe() == SpecialType.System_Void) 4062if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 4532RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 4733Debug.Assert(!checkingReceiver || expr.Type.IsValueType || expr.Type.IsTypeParameter()); 4754if (expr.Type?.IsRefLikeOrAllowsRefLikeType() != true) 4819Error(diagnostics, inUnsafeRegion ? ErrorCode.WRN_EscapeStackAlloc : ErrorCode.ERR_EscapeStackAlloc, node, expr.Type); 5128Error(diagnostics, ErrorCode.ERR_CollectionExpressionEscape, node, expr.Type); 5327RoslynDebug.Assert(false, $"{expr.Kind} expression of {expr.Type} type"); 5500TypeWithAnnotations.Create(elementAccess.Expression.Type), 5540TypeWithAnnotations.Create(inlineArray.Type), 5728if (addressKind == AddressKind.ReadOnly && !expression.Type.IsValueType && peVerifyCompatEnabled) 5742var type = expression.Type; 5903if (receiver?.Type.IsValueType == true)

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;

839RoslynDebug.Assert(node.Type is object); 840var typedConstantKind = node.Type.GetAttributeParameterTypedConstantKind(_binder.Compilation); 893return new TypedConstant(spread.Expression.Type, TypedConstantKind.Error, value: null); 912var operandType = operand.Type; 1015var type = node.Type;

31var placeholder = new BoundAwaitableValuePlaceholder(expression.Syntax, expression.Type); 84var type = expression.Type; 262Debug.Assert(TypeSymbol.Equals(expression.Type, getAwaiterArgument.Type, TypeCompareKind.ConsiderEverything)); 286TypeSymbol awaiterType = getAwaiter.Type!; 287return GetIsCompletedProperty(awaiterType, node, expression.Type!, diagnostics, out isCompleted) 289&& GetGetResultMethod(getAwaiter, node, expression.Type!, diagnostics, out getResult, out getAwaiterGetResultCall); 303if (expression.Type is null) 325RoslynDebug.Assert(expression.Type is object); 326if (expression.Type.IsVoidType()) 342Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 353Error(diagnostics, ErrorCode.ERR_BadAwaitArg, node, expression.Type); 437var awaiterType = awaiterExpression.Type;

75else if (source.Type is not null && filterConversion(conversion)) 77var placeholder2 = new BoundValuePlaceholder(source.Syntax, source.Type); 120RoslynDebug.Assert(source.Type is object); 124if (!isCast && source.Type.Equals(destination, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)) 211TypeSymbol? type = source.Type; 255Debug.Assert(source.Type is null); 281source.Type is { } sourceType && 322switch (source.Type?.IsNullableType()) 327new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 352else if (source.Type?.IsNullableType() == true) 356new BoundValuePlaceholder(source.Syntax, source.Type.GetNullableUnderlyingType()), 373if (source.Type?.TryGetElementTypesWithAnnotationsIfTupleType(out sourceTypes) == true && 446Debug.Assert(source.Type is { }); 448FieldSymbol? elementField = source.Type.TryGetInlineArrayElementField(); 481CheckInlineArrayTypeIsSupported(syntax, source.Type, elementField.Type, diagnostics); 485Debug.Assert(source.Type is not null); 494if (source.Type is ArrayTypeSymbol) 505if (source.Type.IsSpan()) 509TryFindImplicitOperatorFromSpan(source.Type.OriginalDefinition, destination.OriginalDefinition), 510source.Type.OriginalDefinition, 517if (source.Type.IsSpan() || source.Type.IsReadOnlySpan()) 520if (NeedsSpanCastUp(source.Type, destination)) 525TypeSymbol sourceForCastUp = source.Type.IsSpan() 527: source.Type.OriginalDefinition; 538.Construct([((NamedTypeSymbol)source.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0]])

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!; 226else if ((object?)boundRHS.Type == null) 481TypeSymbol? mergedType = element.Type; 569typesWithAnnotationsBuilder.Add(TypeWithAnnotations.Create(value.Type)); 622if (receiver.Type?.IsDynamic() ?? false) 717if (receiver.Type?.IsErrorType() == false) 719Error(diagnostics, ErrorCode.ERR_MissingDeconstruct, rightSyntax, receiver.Type!, numParameters);

199TypeSymbol resultType = expr.Type; 292var commonType = expr.Type; 364case BoundStackAllocArrayCreation { Type: null } boundStackAlloc: 563TypeSymbol exprType = expr.Type; 1037if (boundArgument.Type?.SpecialType == SpecialType.System_Void) 1047var elementTypeWithAnnotations = TypeWithAnnotations.Create(boundArgument.Type); 1246if ((object)argument.Type != null && argument.Type.IsRestrictedType()) 1249Error(diagnostics, ErrorCode.ERR_MethodArgCantBeRefAny, node, argument.Type); 1642type: expression.Type, 2542(object)operand.Type != null && 2543!operand.Type.IsNullableType() && 2544!TypeSymbol.Equals(targetType.GetNullableUnderlyingType(), operand.Type, TypeCompareKind.ConsiderEverything2)) 2565if ((object)boundOperand.Type != null && boundOperand.Type.IsNullableType()) 2644if (left?.Type.IsNullableType() == true || right?.Type.IsNullableType() == true) 2672if (boundOperand.Type?.IsNullableType() == true) 2764SymbolDistinguisher distinguisher1 = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 2813case BoundKind.UnconvertedConditionalOperator when operand.Type is null: 2814case BoundKind.UnconvertedSwitchExpression when operand.Type is null: 2838Debug.Assert((object)operand.Type != null); 2839SymbolDistinguisher distinguisher = new SymbolDistinguisher(this.Compilation, operand.Type, targetType); 2880Debug.Assert((object)operand.Type != null && !operand.Type.IsNullableType()); 2886var underlyingConversion = Conversions.ClassifyBuiltInConversion(operand.Type, underlyingTargetTypeWithAnnotations.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 3803Debug.Assert(receiver!.Type is not null); 3805placeholderType = receiver.Type; 4171if ((object)boundExpression.Type == null || !boundExpression.Type.IsErrorType()) 4255Debug.Assert(init.Type.IsErrorType()); 4665if (constantValue == null || constantValue.IsBad || expression.Type.SpecialType != SpecialType.System_Int32) 4688var type = expression.Type.SpecialType; 5240Debug.Assert(expression.Type is { }); 5242var expressionPlaceholder = new BoundCollectionExpressionSpreadExpressionPlaceholder(syntax.Expression, expression.Type); 5255_ = expression.Type.HasInlineArrayAttribute(out int length); 5385else if ((object)argument.Type == null) 5397else if (argument.Type.TypeKind == TypeKind.Delegate) 5399var sourceDelegate = (NamedTypeSymbol)argument.Type; 5403if (ReportDelegateInvokeUseSiteDiagnostic(diagnostics, argument.Type, node: node)) 5684Debug.Assert((object)boundLeft.Type != null); 5693type: boundLeft.Type, 5981type: boundMember.Type, 6395({ Type: null } or BoundLiteral or BoundUnconvertedInterpolatedString or BoundBinaryOperator { IsUnconvertedInterpolatedStringAddition: true }) && 7468var leftType = boundValue.Type; 7476if (TypeSymbol.Equals(boundType.Type, leftType, TypeCompareKind.AllIgnoreOptions)) 7508TypeSymbol.Equals(BindNamespaceOrType(id, BindingDiagnosticBag.Discarded).Type, type, TypeCompareKind.AllIgnoreOptions); 7612TypeSymbol leftType = boundLeft.Type; 7650leftType = boundLeft.Type; 7877Error(diagnostics, ErrorCode.WRN_DotOnDefault, node, boundLeft.Type); 7934var leftType = boundLeft.Type; 8054if ((object)boundLeft.Type == null) 8063Error(diagnostics, ErrorCode.ERR_NoSuchMember, name, boundLeft.Type, plainName); 8065else if (WouldUsingSystemFindExtension(boundLeft.Type, plainName)) 8067Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtensionNeedUsing, name, boundLeft.Type, plainName, "System"); 8071Error(diagnostics, ErrorCode.ERR_NoSuchMemberOrExtension, name, boundLeft.Type, plainName); 8375if ((object)methodGroup.Methods[i].ReduceExtensionMethod(left.Type, this.Compilation) == null) 8546TypeSymbol receiverType = receiver.Type; 8717if (receiverOpt is { Type: TypeParameterSymbol { AllowsRefLikeType: true } } && 8759bool isUsableAsField = eventSymbol.HasAssociatedField && this.IsAccessible(eventSymbol.AssociatedField, ref useSiteInfo, (receiver != null) ? receiver.Type : null); 8999if ((object)expr.Type == null) 9020expr.Type.HasInlineArrayAttribute(out int length) && expr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 9032Debug.Assert(expr.Type.TryGetInlineArrayElementField() is not null); 9052{ Code: (int)ErrorCode.ERR_BadIndexLHS, Arguments: [TypeSymbol type] } && type.Equals(expr.Type, TypeCompareKind.ConsiderEverything)) 9179CheckInlineArrayTypeIsSupported(node, expr.Type, elementField.Type, diagnostics); 9230if (TypeSymbol.Equals(convertedIndex.Type, compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.AllIgnoreOptions)) 9278Debug.Assert((object)expr.Type != null); 9281var exprType = expr.Type; 9324var arrayType = (ArrayTypeSymbol)expr.Type; 9371var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(expr.Syntax, isEquivalentToThisReference: expr.IsEquivalentToThisReference, expr.Type) { WasCompilerGenerated = true }; 9535Debug.Assert(expr.Type.IsPointerType()); 9536PointerTypeSymbol pointerType = (PointerTypeSymbol)expr.Type; 9582Debug.Assert((object)expr.Type != null); 9588this.LookupMembersWithFallback(lookupResult, expr.Type, WellKnownMemberNames.Indexer, arity: 0, useSiteInfo: ref useSiteInfo, options: lookupOptions); 9909Debug.Assert(receiver.Type is not null); 9916var receiverPlaceholder = new BoundImplicitIndexerReceiverPlaceholder(receiver.Syntax, isEquivalentToThisReference: receiver.IsEquivalentToThisReference, receiver.Type) { WasCompilerGenerated = true }; 9925Debug.Assert(indexerOrSliceAccess.Type is not null); 9935indexerOrSliceAccess.Type); 10146Debug.Assert(receiverPlaceholder.Type is not null); 10147if (TryLookupLengthOrCount(syntax, receiverPlaceholder.Type, lookupResult, out var lengthOrCountProperty, diagnostics)) 10528if (m.ReduceExtensionMethod(receiver.Type, Compilation) is { } reduced) 10697var reduced = substituted.ReduceExtensionMethod(receiver.Type, Compilation, out bool wasFullyInferred); 10953var receiverType = receiver.Type; 10962var accessType = access.Type; 11093var receiverType = receiver.Type; 11124var 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));

278else if ((object)argument.Type == null && !argument.HasAnyErrors) 289else if (argument.Type.IsVoidType()) 342if ((object)boundExpression.Type != null && boundExpression.Type.IsDynamic()) 369else if (boundExpression.Type?.Kind == SymbolKind.FunctionPointerType) 556Debug.Assert(receiver.Type is not null); 557Error(diagnostics, ErrorCode.ERR_CannotDynamicInvokeOnExpression, receiver.Syntax, receiver.Type); 608Debug.Assert((object?)arg.Type != null); 611Error(diagnostics, ErrorCode.ERR_BadDynamicMethodArg, arg.Syntax, arg.Type); 817Debug.Assert(methodGroup.InstanceOpt != null && (object)methodGroup.InstanceOpt.Type != null); 819Error(diagnostics, ErrorCode.ERR_BadArgTypeDynamicExtension, syntax, methodGroup.InstanceOpt.Type, methodGroup.Name); 1045if (!call.HasAnyErrors && call.ReceiverOpt != null && (object)call.ReceiverOpt.Type != null) 1050if (call.ReceiverOpt.Type.IsRestrictedType() && !call.Method.ContainingType.IsInterface && !TypeSymbol.Equals(call.Method.ContainingType, call.ReceiverOpt.Type, TypeCompareKind.ConsiderEverything2)) 1052SymbolDistinguisher distinguisher = new SymbolDistinguisher(compilation, call.ReceiverOpt.Type, call.Method.ContainingType); 1068(object)dynInvoke.Expression.Type != null && 1069dynInvoke.Expression.Type.IsRestrictedType()) 1073Error(diagnostics, ErrorCode.ERR_BadDynamicMethodArg, dynInvoke.Expression.Syntax, dynInvoke.Expression.Type); 1158case BoundUnconvertedSwitchExpression { Type: { } naturalType } switchExpr: 1336if (receiver is BoundValuePlaceholderBase || receiver?.Type is null or { IsReferenceType: true }) 1785receiver.Type.IsValueType && 1848!(d.Arguments is [ParameterSymbol shadowedParameter] && shadowedParameter.Type.Equals(typeOrValue.Data.ValueExpression.Type, TypeCompareKind.AllIgnoreOptions))) // If the type and the name match, we would resolve to the same type rather than a value at the end. 1903var type = expr.Type as NamedTypeSymbol; 1943var methodContainer = (object)receiver != null && (object)receiver.Type != null 1944? receiver.Type 2173var methodContainer = expr.Type ?? this.ContainingType; 2345RoslynDebug.Assert(boundExpression.Type is FunctionPointerTypeSymbol); 2347var funcPtr = (FunctionPointerTypeSymbol)boundExpression.Type;

63var placeholder = new BoundValuePlaceholder(right.Syntax, left.HasDynamicType() ? left.Type : right.Type).MakeCompilerGenerated(); 64var finalDynamicConversion = this.Compilation.Conversions.ClassifyConversionFromExpression(placeholder, left.Type, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 66var conversion = (BoundConversion)CreateConversion(node, placeholder, finalDynamicConversion, isCast: true, conversionGroupOpt: null, left.Type, diagnostics); 75left.Type, 76right.Type, 84left.Type, 197var leftType = left.Type; 347TypeSymbol type = operand.Type; 375Debug.Assert((object)left.Type != null && left.Type.IsDynamic() || (object)right.Type != null && right.Type.IsDynamic()); 399Error(diagnostics, ErrorCode.ERR_InvalidDynamicCondition, node.Left, left.Type, kind == BinaryOperatorKind.LogicalAnd ? "false" : "true"); 405Debug.Assert(left.Type is not TypeParameterSymbol); 521TypeSymbol leftType = left.Type; 522TypeSymbol rightType = right.Type; 557Debug.Assert(right.Type.SpecialType == SpecialType.System_String); 558var stringConstant = FoldBinaryOperator(node, BinaryOperatorKind.StringConcatenation, left, right, right.Type, diagnostics); 559return new BoundBinaryOperator(node, BinaryOperatorKind.StringConcatenation, BoundBinaryOperator.UncommonData.UnconvertedInterpolatedStringAddition(stringConstant), LookupResultKind.Empty, left, right, right.Type); 726TypeSymbol leftType = left.Type; 727TypeSymbol rightType = right.Type; 816(object)left.Type != null && left.Type.TypeKind == TypeKind.Delegate) 820var conversion = this.Conversions.ClassifyConversionFromExpression(right, left.Type, isChecked: CheckOverflowAtRuntime, ref discardedUseSiteInfo); 822GenerateImplicitConversionError(diagnostics, right.Syntax, conversion, right, left.Type); 844case (BoundKind.DefaultLiteral, _) when right.Type is TypeParameterSymbol: 845Debug.Assert(!right.Type.IsReferenceType); 846Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, right.Type); 848case (_, BoundKind.DefaultLiteral) when left.Type is TypeParameterSymbol: 849Debug.Assert(!left.Type.IsReferenceType); 850Error(diagnostics, ErrorCode.ERR_AmbigBinaryOpsOnUnconstrainedDefault, node, operatorToken.Text, left.Type); 869case LookupResultKind.OverloadResolutionFailure when operatorToken.Kind() is SyntaxKind.PlusToken && isReadOnlySpanOfByte(left.Type) && isReadOnlySpanOfByte(right.Type): 936if ((object)left.Type != null && left.Type.SpecialType == SpecialType.System_Boolean && 937(object)right.Type != null && right.Type.SpecialType == SpecialType.System_Boolean) 939var constantValue = FoldBinaryOperator(node, kind | BinaryOperatorKind.Bool, left, right, left.Type, diagnostics); 943resultKind: LookupResultKind.Viable, left, right, type: left.Type, hasErrors: constantValue != null && constantValue.IsBad); 1055var type = left.Type; 1072if (left.Type is not null) 1074var operandPlaceholder = new BoundValuePlaceholder(left.Syntax, left.Type).MakeCompilerGenerated(); 1450(object)operand.Type != null && 1451(operand.Type.SpecialType == SpecialType.System_UInt64 || isNuint(operand.Type))) 1676return left.Type; 1679return right.Type; 1743BinaryOperatorKind newKind = kind.Operator().WithType(newLeftOperand.Type!.SpecialType); 2287var operandType = operand.Type; 2357var operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 2476var operandType = operand.Type as PointerTypeSymbol; 2531TypeSymbol operandType = operand.Type; 2610if (receiver.Type.IsReferenceType) 2736if (isOperandNullOrNew || operand.Type?.IsErrorType() == true) 2764type: operand.Type!); 2813var underlyingType = operand.Type.GetEnumUnderlyingType()!; 3172if ((object)operand.Type == null && !operand.IsLiteralNull()) 3231if ((object)operand.Type == null) 3242var convertedExpression = BindExpressionForPattern(operand.Type, node.Right, ref hasErrors, isPatternDiagnostics, out var constantValueOpt, out var wasExpression, out _); 3249node.Right, convertedExpression, constantValueOpt ?? ConstantValue.Bad, operand.Type, convertedExpression.Type ?? operand.Type, hasErrors) 3269if (operandHasErrors || IsOperatorErrors(node, operand.Type, typeExpression, diagnostics)) 3290operand.Type.IsVoidType()) 3320var operandType = operand.Type; 3720if ((object)operand.Type == null) 3782Debug.Assert(operand.Type is null); 3783operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 3797var operandType = operand.Type; 3830operandPlaceholder = new BoundValuePlaceholder(operand.Syntax, operand.Type).MakeCompilerGenerated(); 4009TypeSymbol optLeftType = leftOperand.Type; // "A" 4010TypeSymbol optRightType = rightOperand.Type; // "B" 4185TypeSymbol leftType = leftOperand.Type; 4203if (underlyingRightConversion.Exists && rightOperand.Type?.IsDynamic() != true) 4344TypeSymbol trueType = trueExpr.Type; 4345TypeSymbol falseType = falseExpr.Type;

24TypeSymbol? expressionType = expression.Type; 37Debug.Assert(expression.Type is { }); 38BoundPattern pattern = BindPattern(node.Pattern, expression.Type, permitDesignations: true, hasErrors, diagnostics, underIsPattern: true); 65Debug.Assert(expression.Type is object); 66diagnostics.Add(ErrorCode.ERR_IsPatternImpossible, node.Location, expression.Type); 82Debug.Assert(expression.Type is object); 83diagnostics.Add(ErrorCode.WRN_IsPatternAlways, node.Location, expression.Type); 248Debug.Assert(indexerAccess.Type is not null); 249sliceType = indexerAccess.Type; 322Debug.Assert(indexerAccess!.Type is not null); 323elementType = indexerAccess.Type; 427var convertedType = convertedExpression.Type ?? inputType; 515Debug.Assert(expression is { Kind: BoundKind.TypeExpression, Type: { } }); 516hasErrors |= CheckValidPatternType(patternExpression, inputType, expression.Type, diagnostics: diagnostics); 578if (convertedExpression.Type is null && constantValueOpt != ConstantValue.Null) 619RoslynDebug.Assert(expression.Type is { }); 620ConstantValue match = ExpressionOfTypeMatchesPatternType(Conversions, inputType, expression.Type, ref useSiteInfo, out _, operandConstantValue: null); 652if (expression.Type?.SpecialType == SpecialType.System_String && inputType.IsSpanOrReadOnlySpanChar()) 707(conversion.ConversionKind == ConversionKind.NoConversion && convertedExpression.Type?.IsErrorType() == true)) 1633var type = value.Type ?? inputType;

300Debug.Assert(state.fromExpression.Type is { }); 303ImmutableArray.Create(state.fromExpression), state.fromExpression.Type); 738else if (!yExpression.HasAnyErrors && yExpression.Type!.IsVoidType()) 740Error(d, ErrorCode.ERR_QueryRangeVariableAssignedBadValue, errorLocation, yExpression.Type!); 741Debug.Assert(yExpression.Type is { }); 742yExpression = new BoundBadExpression(yExpression.Syntax, LookupResultKind.Empty, ImmutableArray<Symbol?>.Empty, ImmutableArray.Create(yExpression), yExpression.Type); 803field2Value = new BoundBadExpression(field2Value.Syntax, LookupResultKind.Empty, ImmutableArray<Symbol?>.Empty, ImmutableArray.Create(field2Value), field2Value.Type, true); 823return e.Type ?? CreateErrorType(); 928Debug.Assert(receiver.Type is object || ultimateReceiver.Type is null); 929if ((object?)ultimateReceiver.Type == null) 979if (ultimateReceiver.Type.TypeKind == TypeKind.TypeParameter) 982Error(diagnostics, ErrorCode.ERR_BadSKunknown, ultimateReceiver.Syntax, ultimateReceiver.Type, MessageID.IDS_SK_TYVAR.Localize()); 990else 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;

242if (!argument.HasErrors && ((object)argument.Type == null || !argument.Type.IsErrorType())) 407var type = boundExpr.Type; 757Debug.Assert(expr.Type is object); 758Debug.Assert(expr.Type.IsRefLikeType || hasAwait); // pattern dispose lookup is only valid on ref structs or asynchronous usings 1020TypeSymbol initializerType = initializerOpt?.Type; 1232TypeSymbol initializerType = initializerOpt.Type; 1248elementType = ((BoundAddressOfOperator)initializerOpt).Operand.Type; 1322if (initializer.Type.IsVoidType()) 1342additionalDiagnostics.Add(ErrorCode.WRN_PatternBadSignature, initializer.Syntax.Location, initializer.Type, "fixed", patternMethodSymbol); 1459var inferredType = op2.Type; 1489var conversion = GenerateConversionForAssignment(op1.Type, op2, diagnostics, isRef ? ConversionForAssignmentFlags.RefAssignment : ConversionForAssignmentFlags.None); 1519type = op1.Type; 1540Debug.Assert(op1.Type is { }); 1573Debug.Assert(leftEscape == rightEscape || op1.Type.IsRefLikeOrAllowsRefLikeType()); 1592if (!hasErrors && op1.Type.IsRefLikeOrAllowsRefLikeType()) 1815Debug.Assert((object)receiver.Type != null); 1816return receiver.Type; 1942this.Conversions.ClassifyConversionFromType(expression.Type, targetType, isChecked: CheckOverflowAtRuntime, ref useSiteInfo); 1974expression.Type, 2430var sourceType = operand.Type; 3038hasErrors |= arg.HasErrors || ((object)arg.Type != null && arg.Type.IsErrorType()); 3113if ((object)arg?.Type != null && arg.Type.IsVoidType()) 3177&& TypeSymbol.Equals(argument.Type, this.GetCurrentReturnType(out unusedRefKind), TypeCompareKind.ConsiderEverything2)) 3180Error(diagnostics, ErrorCode.ERR_BadAsyncReturnExpression, argument.Syntax, returnType, argument.Type); 3512else if (expression.Type?.SpecialType == SpecialType.System_Void)

1451receiver = new BoundBadExpression(receiver.Syntax, LookupResultKind.Ambiguous, ImmutableArray<Symbol>.Empty, ImmutableArray.Create(receiver), receiver.Type, hasErrors: true).MakeCompilerGenerated();

85TypeSymbol leftType = left.Type; 86TypeSymbol rightType = right.Type; 111return new TupleBinaryOperatorInfo.Single(binary.Left.Type, binary.Right.Type, binary.OperatorKind, binary.Method, binary.ConstrainedToType, 183Debug.Assert((object)left.Type != null && left.Type.IsDynamic() || (object)right.Type != null && right.Type.IsDynamic()); 205left = GiveTupleTypeToDefaultLiteralIfNeeded(left, right.Type); 206right = GiveTupleTypeToDefaultLiteralIfNeeded(right, left.Type); 217Debug.Assert((object)left.Type != null || left.Kind == BoundKind.TupleLiteral); 218Debug.Assert((object)right.Type != null || right.Kind == BoundKind.TupleLiteral); 247bool leftNullable = left.Type?.IsNullableType() == true; 248bool rightNullable = right.Type?.IsNullableType() == true; 356TypeSymbol type = expr.Type; 383TypeSymbol tupleType = expr.Type.StrippedType();

20var receiverType = receiver.Type;

407Debug.Assert(variableAccess.Type!.Equals(input.Type, TypeCompareKind.AllIgnoreOptions) || variableAccess.Type.IsErrorType()); 500Debug.Assert(constant.Value.Type is not null || constant.HasErrors); 501output = input = constant.Value.Type is { } type ? MakeConvertToType(input, constant.Syntax, type, isExplicitTest: false, tests) : input; 708var type = rel.Value.Type ?? input.Type;

543(builder.ElementType.IsPointerOrFunctionPointer() && collectionExpr.Type.IsArray()) || 544(builder.ElementType.IsNullableType() && builder.ElementType.GetMemberTypeArgumentsNoUseSiteDiagnostics().Single().IsErrorType() && collectionExpr.Type.IsArray())); 574(collectionConversionClassification.Kind == ConversionKind.ExplicitReference && collectionExpr.Type.SpecialType == SpecialType.System_String)); 643Debug.Assert(collectionType.Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions)); // Should not create an Identity conversion that changes type. 682else if (collectionExpr.Type.SpecialType == SpecialType.System_String && builder.CollectionType.SpecialType == SpecialType.System_Collections_IEnumerable) 700TypeSymbol collectionExprType = collectionExpr.Type; 777TypeSymbol collectionExprType = collectionExpr.Type; 816if (!isAsync && collectionExpr.Type?.HasInlineArrayAttribute(out _) == true && collectionExpr.Type.TryGetPossiblyUnsupportedByLanguageInlineArrayElementField() is FieldSymbol elementField) 847diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 870builder.CollectionType = collectionExpr.Type; 887CheckInlineArrayTypeIsSupported(collectionExpr.Syntax, collectionExpr.Type, elementField.Type, diagnostics); 895diagnostics.Add(ErrorCode.ERR_InlineArrayForEachNotSupported, collectionExpr.Syntax.GetLocation(), collectionExpr.Type); 908(originalCollectionExpr.Type?.IsNullableType() == true && originalCollectionExpr.Type.StrippedType().Equals(collectionExpr.Type, TypeCompareKind.AllIgnoreOptions))); 919TypeSymbol collectionExprType = collectionExpr.Type; 959var unwrappedCollectionExprType = unwrappedCollectionExpr.Type; 1025: collectionExpr.Type; 1334getEnumeratorInfo = FindForEachPatternMethod(syntax, collectionSyntax, collectionExpr.Type, methodName, lookupResult, warningsOnly: true, diagnostics, isAsync); 1556diagnostics.Add(ErrorCode.WRN_PatternIsAmbiguous, collectionSyntax.Location, collectionExpr.Type, MessageID.IDS_Collection.Localize(),

40TypeSymbol? exprType = expr.Type;

240return placeholder.Type?.SpecialType == SpecialType.System_Int32; 521if (node.ExpressionOpt is { Type: { } } expr) 531if (node.Expression is { Type: { } } expr)

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

458if (method.RequiresInstanceReceiver && methodGroup.Receiver?.Type?.IsRestrictedType() == true) 488Debug.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) && 1925Debug.Assert(sourceExpressionOpt == null || (object)sourceExpressionOpt.Type == sourceType); 1962conversions.ClassifyImplicitExtensionMethodThisArgConversion(s, s.Type, d.Type, ref u, isMethodGroupConversion: false), 3045if (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)

67TypeSymbol leftOperatorSourceOpt = left.Type?.StrippedType(); 68TypeSymbol rightOperatorSourceOpt = right.Type?.StrippedType(); 360var leftType = left.Type; 362var rightType = right.Type; 504bool isExactSubtraction = TypeSymbol.Equals(right.Type?.StrippedType(), underlying, TypeCompareKind.ConsiderEverything2); 608var leftType = left.Type; 614var rightType = right.Type; 683var leftType = left.Type as PointerTypeSymbol; 684var rightType = right.Type as PointerTypeSymbol; 699if ((object)leftType != null || (object)rightType != null || left.Type is FunctionPointerTypeSymbol || right.Type is FunctionPointerTypeSymbol) 721if ((left.Type is TypeParameterSymbol { AllowsRefLikeType: true } && right.IsLiteralNull()) || 722(right.Type is TypeParameterSymbol { AllowsRefLikeType: true } && left.IsLiteralNull())) 741this.Compilation.BuiltInOperators.GetSimpleBuiltInOperators(kind, operators, skipNativeIntegerOperators: !left.Type.IsNativeIntegerOrNullableThereof() && !right.Type.IsNativeIntegerOrNullableThereof()); 756this.Compilation.BuiltInOperators.GetUtf8ConcatenationBuiltInOperator(left.Type, operators); 767BuiltInOperators.IsValidObjectEquality(conversions, left.Type, left.IsLiteralNull(), leftIsDefault: false, right.Type, right.IsLiteralNull(), rightIsDefault: false, ref useSiteInfo) && 768((object)left.Type == null || (!left.Type.IsDelegateType() && left.Type.SpecialType != SpecialType.System_String && left.Type.SpecialType != SpecialType.System_Delegate)) && 769((object)right.Type == null || (!right.Type.IsDelegateType() && right.Type.SpecialType != SpecialType.System_String && right.Type.SpecialType != SpecialType.System_Delegate)); 779return (operand.Type is TypeParameterSymbol { AllowsRefLikeType: true }) ? Conversion.Boxing : Conversions.ClassifyConversionFromExpression(operand, objectType, isChecked: isChecked, ref useSiteInfo);

99var operandType = operand.Type;

257this.Compilation.BuiltInOperators.GetSimpleBuiltInOperators(kind, operators, skipNativeIntegerOperators: !operand.Type.IsNativeIntegerOrNullableThereof()); 296var enumType = operand.Type; 327var pointerType = operand.Type as PointerTypeSymbol; 351if ((object)operand.Type == null) 379TypeSymbol type0 = operand.Type.StrippedType();

363sb.AppendFormat("Argument types ({0})\n", string.Join(", ", from a in _arguments select a.Type)); 851if (argument.Kind == BoundKind.TupleLiteral && (object)argument.Type == null) 3239TypeSymbol source = argument.Type;

3210if ((object)node.Type != null && Conversions.HasIdentityConversion(node.Type, t)) 4574var argType = argument.Type; 4588Conversions.ClassifyImplicitExtensionMethodThisArgConversion(argument, argument.Type, parameterType, ref useSiteInfo, isMethodGroupConversion: isMethodGroupConversion) : 4589((!dynamicConvertsToAnything || !argument.Type.IsDynamic()) ?

522diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 662diagnostics.Add(ErrorCode.ERR_QueryNoProvider, location, receiverOpt.Type, symbol.Name); 670diagnostics.Add(ErrorCode.ERR_BadAwaitArg, location, receiverOpt.Type); 1132diagnostics.Add(ErrorCode.ERR_CollectionExpressionMissingAdd, location, receiver.Type); 1369=> argument is BoundLiteral { Type.SpecialType: SpecialType.System_String } && 1408diagnostics.Add(ErrorCode.ERR_QueryMultipleProviders, location, receiver.Type, name);

48protected TypeSymbol SwitchGoverningType => SwitchGoverningExpression.Type; 380var switchGoverningType = switchGoverningExpression.Type; 442Debug.Assert((object)switchGoverningExpression.Type == null || switchGoverningExpression.Type.IsVoidType());

145var type = @case.Value.Type; 182Debug.Assert(inputExpression.Type is not null); 193Debug.Assert(inputExpression.Type is not null); 194return inputExpression.Type; 200if (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; 290(fromExpression ? expressionOpt!.Type : declarationTypeOpt)!.ContainingModule != originalBinder.Compilation.SourceModule)

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; 146if (expr.Type is { } type) 264TypeSymbol? 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);

708public 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;

379expression.Type?.SetUnknownNullabilityForReferenceTypes();

43Debug.Assert(!expression.Type.IsReferenceType); 44Debug.Assert(!expression.Type.IsValueType || expression.Type.IsNullableType()); 67Debug.Assert(expression.Type.IsValueType || IsAnyReadOnly(addressKind), "'this' is readonly in classes"); 69if (expression.Type.IsValueType) 104Debug.Assert(operand.Type.IsPointerType()); 136var type = expression.Type; 333var value = this.AllocateTemp(expression.Type, expression.Syntax); 374if (!receiver.Type.IsReferenceType) 391TreatLongsAsNative(index.Type.PrimitiveTypeCode); 405if (((ArrayTypeSymbol)arrayAccess.Expression.Type).IsSZArray) 413_builder.EmitArrayElementAddress(_module.Translate((ArrayTypeSymbol)arrayAccess.Expression.Type), 506var receiverType = receiver.Type; 526EmitBox(receiver.Type, receiver.Syntax);

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

73Debug.Assert((operand.Type.IsArray()) && 139var fromType = conversion.Operand.Type; 214var fromType = conversion.Operand.Type; 230if (!conversion.Operand.Type.IsVerifierReference()) 232EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 262if (!conversion.Operand.Type.IsVerifierReference()) 264EmitBox(conversion.Operand.Type, conversion.Operand.Syntax); 290var fromType = conversion.Operand.Type; 337EmitSymbolToken(receiver.Type, receiver.Syntax); 343if (!receiver.Type.IsVerifierReference()) 345EmitBox(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); 737Debug.Assert(argument.Type.IsDynamic() || argument is BoundFieldAccess { FieldSymbol.RefKind: not RefKind.None }, "passing args byref should not clone them into temps"); 792EmitLoadIndirect(expression.Type, expression.Syntax); 801var meth = expression.MethodOpt ?? receiver.Type.DelegateInvokeMethod(); 1014if (((ArrayTypeSymbol)arrayAccess.Expression.Type).IsSZArray) 1101_builder.EmitArrayElementLoad(_module.Translate((ArrayTypeSymbol)arrayAccess.Expression.Type), arrayAccess.Expression.Syntax, _diagnostics.DiagnosticBag); 1132if (!field.IsVolatile && !field.IsStatic && fieldAccess.ReceiverOpt.Type.IsVerifierValue() && field.RefKind == RefKind.None) 1171if (fieldType.IsValueType && (object)fieldType == (object)receiver.Type) 1227if (receiver == null || !receiver.Type.IsValueType) 1238EmitSymbolToken(receiver.Type, receiver.Syntax); 1267if (!receiver.Type.IsVerifierValue()) 1319var type = expr.Type; 1510if (receiver.Type.IsTypeParameter()) 1515Debug.Assert(receiver.Type.IsVerifierReference(), "this is not a reference"); 1645Debug.Assert(TypeSymbol.Equals(method.ContainingType, receiver.Type, TypeCompareKind.ConsiderEverything2)); 1674EmitSymbolToken(receiver.Type, receiver.Syntax); 1831var receiverType = receiver.Type; 1917var receiverType = receiver.Type; 1977Debug.Assert(receiver.Type.IsVerifierReference()); 1988Debug.Assert(receiver.Type.IsVerifierReference()); 2008EmitSymbolToken(receiver.Type, receiver.Syntax); 2023var receiverType = receiver.Type; 2086var receiverType = receiver.Type; 2598var rightType = right.Type; 2654if (left.Kind == BoundKind.ArrayAccess && left.Type.TypeKind == TypeKind.TypeParameter && !left.Type.IsValueType) 2678EmitSymbolToken(target.Type, target.Syntax); 3050assignmentOperator.Left.Type, 3097var arrayType = (ArrayTypeSymbol)array.Type; 3111EmitIndirectStore(expression.Type, expression.Syntax); 3116EmitIndirectStore(expression.Type, expression.Syntax); 3122EmitIndirectStore(expression.Type, expression.Syntax); 3134EmitIndirectStore(expression.Type, expression.Syntax); 3139EmitIndirectStore(expression.Type, expression.Syntax); 3385Debug.Assert((object)operand.Type != null); 3386if (!operand.Type.IsVerifierReference()) 3389EmitBox(operand.Type, operand.Syntax); 3412var operandType = operand.Type; 3907if (!(expr.Type.IsInterfaceType() || expr.Type.IsDelegateType())) 3909return expr.Type; 3954return expr.Type; 4025temp = 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; 915_module.Translate(expressionOpt.Type, boundReturnStatement.Syntax, _diagnostics.DiagnosticBag); 1127if (!exceptionSourceOpt.Type.IsVerifierReference()) 1129Debug.Assert(exceptionSourceOpt.Type.IsTypeParameter()); // only expecting type parameters 1131EmitSymbolToken(exceptionSourceOpt.Type, exceptionSourceOpt.Syntax); 1158Debug.Assert(!left.ReceiverOpt.Type.IsTypeParameter()); 1169var temp = AllocateTemp(exceptionSource.Type, exceptionSource.Syntax); 1232Debug.Assert((object)dispatch.Expression.Type != null); 1233Debug.Assert(dispatch.Expression.Type.IsValidV6SwitchGoverningType() || dispatch.Expression.Type.IsSpanOrReadOnlySpanChar()); 1236Debug.Assert(!dispatch.Expression.Type.IsNullableType()); 1255Debug.Assert((object)expression.Type != null && 1256(expression.Type.IsValidV6SwitchGoverningType() || expression.Type.IsSpanOrReadOnlySpanChar())); 1301temp = AllocateTemp(expression.Type, expression.Syntax); 1308expression.Type.SpecialType == SpecialType.System_String || expression.Type.IsSpanOrReadOnlySpanChar()); 1311if (expression.Type.SpecialType == SpecialType.System_String || expression.Type.IsSpanOrReadOnlySpanChar()) 1315this.EmitStringSwitchJumpTable(switchCaseLabels, fallThroughLabel, key, expression.Syntax, expression.Type); 1319this.EmitLengthBasedStringSwitchJumpTable(lengthBasedSwitchStringJumpTableOpt, fallThroughLabel, key, expression.Syntax, expression.Type); 1324_builder.EmitIntegerSwitchJumpTable(switchCaseLabels, fallThroughLabel, key, expression.Type.EnumUnderlyingTypeOrSelf().PrimitiveTypeCode);

610node.Type); 951right.Type.IsVerifierValue() && 974node.Left.Type.Equals(node.Right.Type, TypeCompareKind.AllIgnoreOptions) || 1020left.Type.Equals(((PointerTypeSymbol)right.Type).PointedAtType, TypeCompareKind.AllIgnoreOptions); 1037Debug.Assert(lhs.Type.IsValueType, "'this' is assignable only in structs"); 1195var receiverType = receiver.Type; 1230var receiverType = receiver.Type; 1348if (receiver.Type.IsTypeParameter()) 1357if (receiver.Type.IsValueType && ( 1658PushEvalStack(new BoundDefaultExpression(node.Syntax, node.Operand.Type), ExprContext.Value);

2192(result!.Type!.IsVoidType() || result.Type!.SpecialType == SpecialType.System_Int32);

2051type = boundExpr.Type; 2170convertedType = highestBoundExpr.Type; 2176convertedType = highestBoundExpr.Type; 2265static (TypeSymbol, NullabilityInfo) getTypeAndNullability(BoundExpression expr) => (expr.Type, expr.TopLevelNullability); 3376else if (expr.Type.IsDelegateType()) 3685var thisParam = GetThisParameter(boundNode.Type, containingType, containingMember, out resultKind); 3809symbols = OneOrMany.Create<Symbol>(new SynthesizedIntrinsicOperatorSymbol(unaryOperator.Operand.Type.StrippedType(), 3832TypeSymbol opType = increment.Operand.Type.StrippedType(); 3859((binaryOperator.Left.IsLiteralNull() && binaryOperator.Right.Type.IsNullableType()) || 3860(binaryOperator.Right.IsLiteralNull() && binaryOperator.Left.Type.IsNullableType())) && 3874binaryOperator.Left.Type, 3875binaryOperator.Right.Type, 4085TypeSymbol type = boundNode.Type; 4637receiver.Type, 4752extensionThisType = call.ReceiverOpt.Type; 4756extensionThisType = call.Arguments[0].Type; 4786MethodSymbol reduced = method.ReduceExtensionMethod(receiver.Type, Compilation); 4801MethodSymbol reduced = method.ReduceExtensionMethod(receiverOpt.Type, Compilation);

1144return (bound as BoundTupleExpression)?.Type as NamedTypeSymbol;

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

1229Translate(optArgList.Arguments[i].Type, syntaxNodeOpt, diagnostics));

644else if ((object)node.Type == null || node.Type.SpecialType != SpecialType.System_Boolean) 1669&& node.Type.SpecialType == SpecialType.System_Boolean) 2239(object)receiverOpt.Type != null && 2240!receiverOpt.Type.IsPrimitiveRecursiveStruct()); 2632&& conv.Operand.Type!.IsNonNullableValueType());

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

1125MayRequireTrackingReceiverType(receiver.Type); 1142MayRequireTrackingReceiverType(receiverOpt.Type) && 1143!receiverOpt.Type.IsPrimitiveRecursiveStruct(); 1381if (_emptyStructTypeCache.IsEmptyStructType(node.Type)) return true; 1594if (elementAccess.Expression.Type.HasInlineArrayAttribute(out int length) && 1598int slot = MakeMemberSlot(elementAccess.Expression, elementAccess.Expression.Type.TryGetInlineArrayElementField()); 2583if (refKind != RefKind.None && ((object)method == null || method.IsExtern) && arg.Type is TypeSymbol type)

405expr.Type?.Equals(result.RValueType.Type, TypeCompareKind.AllIgnoreOptions) == true ? result.RValueType.Type : expr.Type); 538Debug.Assert(AreCloseEnough(placeholder.Type, result.RValueType.Type)); 1994receiver.Type is object; 2005TypeSymbol? nodeType = node.Type; 2041var operandType = operand.Type; 2059TypeSymbol.Equals(conv.Type, conv.Operand.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes): 3547Debug.Assert(AreCloseEnough(resultType.Type, node.Type)); 4353SetAnalyzedNullability(node.ImplicitReceiverOpt, new VisitResult(node.ImplicitReceiverOpt.Type, NullableAnnotation.NotAnnotated, NullableFlowState.NotNull)); 4410SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 4415var resultType = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 4462Debug.Assert(node.Type is object); 4463if (IsEmptyStructType(node.Type)) 4468return GetOrCreatePlaceholderSlot(node, TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated)); 4785Debug.Assert(!node.Expression.Type!.IsValueType); 4799TypeSymbol.Equals(node.Indices[0].Type, compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.ConsiderEverything2)) 5154if (expr.Type is null) 5164TypeWithAnnotations.Create(expr.Type), 5178Debug.Assert(binary.Type!.SpecialType == SpecialType.System_Boolean); 5348var receiverType = conditional.Receiver.Type!; 5377if (slot > 0 && PossiblyNullableType(operand.Type)) 5447LearnFromNullTest(slot, expressionWithoutConversion.Type, ref state, markDependentSlotsNotNull: false); 5561node.Type?.ContainsErrorType() == true || 5562TypeSymbol.Equals(targetType.Type.GetNullableUnderlyingType(), node.Type, TypeCompareKind.AllIgnoreOptions)); 5568targetType = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 5857if (slot > 0 && receiver.Type?.IsNullableType() == true) 5858slot = GetNullableOfTValueSlot(receiver.Type, slot, out _); 5902TypeSymbol? refResultType = node.Type?.SetUnknownNullabilityForReferenceTypes(); 5968resultType ??= node.Type?.SetUnknownNullabilityForReferenceTypes(); 6959TrackAnalyzedNullabilityThroughConversionGroup(TypeWithState.Create(argument.Type, result.RValueType.State), argument as BoundConversion, argumentNoConversion); 7077completion(TypeWithAnnotations.Create(argument.Type)); 8128if (value.Type is null || value.Type.IsDynamic() || value.ConstantValueOpt != null) 8138value.Type.HasInlineArrayAttribute(out _) == true && 8139value.Type.TryGetInlineArrayElementField() is not null) 8277if (TypeAllowsConditionalState(targetType.Type) && TypeAllowsConditionalState(operand.Type)) 8425var tupleOpt = (NamedTypeSymbol?)node.Type; 9617case BoundExpression arg when arg.Type is { TypeKind: TypeKind.Delegate }: 9731Debug.Assert(arg.Type is not null); 9732TypeSymbol argType = arg.Type; 9750Debug.Assert(arg.Type is not null); 9751TypeSymbol argType = arg.Type; 9919var rvalueResult = TypeWithState.Create(node.Type, NullableFlowState.NotNull); 9920var lvalueResult = TypeWithAnnotations.Create(node.Type, NullableAnnotation.NotAnnotated); 10403if (expr.Type is NamedTypeSymbol { IsTupleType: true } tupleType) 10588SetResultType(node.Expression, TypeWithState.Create(node.Expression.Type, ResultType.State)); 10929if (collectionExpression.Type!.SpecialType == SpecialType.System_Collections_IEnumerable) 10932targetTypeWithAnnotations = TypeWithAnnotations.Create(collectionExpression.Type); 10934else if (ForEachLoopBinder.IsIEnumerableT(collectionExpression.Type.OriginalDefinition, isAsync, compilation)) 11198var type = TypeWithAnnotations.Create(node.Type); 11594SetResultType(node, TypeWithState.Create(node.Type, node.Type?.CanContainNull() != false && node.ConstantValueOpt?.IsNull == true ? NullableFlowState.MaybeDefault : NullableFlowState.NotNull)); 11771SetResultType(expression, TypeWithState.Create(expression.Type, default)); 11805Debug.Assert(receiverOpt.Type is null || AreCloseEnough(receiverOpt.Type, resultTypeSymbol)); 11893SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 11926Debug.Assert(node.Type is null || node.Type.IsErrorType() || node.Type.IsRefLikeType); 11942SetResultType(node, TypeWithState.Create(node.Type, NullableFlowState.NotNull)); 11946Debug.Assert(node.Type is not null); 11947var type = VisitArrayInitialization(node.Type, initialization, node.HasErrors);

29LearnFromAnyNullPatterns(slot, expression.Type, pattern); 279var originalInputType = node.Expression.Type; 883var originalInputType = node.Expression.Type; 953?? node.Type?.SetUnknownNullabilityForReferenceTypes();

216if (receiver.Type.IsStructType() && receiverSyntax.Span.OverlapsWith(RegionSpan))

487if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 517if (receiver != this.Receiver || localScopeDepth != this.LocalScopeDepth || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 549public new TypeSymbol Type => base.Type!; 586public new TypeSymbol Type => base.Type!; 615public new TypeSymbol? Type => base.Type; 650public new TypeSymbol Type => base.Type!; 687public new TypeSymbol Type => base.Type!; 723public new TypeSymbol Type => base.Type!; 760public new TypeSymbol Type => base.Type!; 796public new TypeSymbol Type => base.Type!; 831public new TypeSymbol Type => base.Type!; 866public new TypeSymbol Type => base.Type!; 901public new TypeSymbol Type => base.Type!; 939if (refKind != this.RefKind || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 967if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1000if (resultKind != this.ResultKind || symbols != this.Symbols || childBoundNodes != this.ChildBoundNodes || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1083public new TypeSymbol Type => base.Type!; 1121public new TypeSymbol Type => base.Type!; 1161public new TypeSymbol? Type => base.Type; 1198public new TypeSymbol Type => base.Type!; 1243public new TypeSymbol Type => base.Type!; 1283public new TypeSymbol Type => base.Type!; 1314public new TypeSymbol? Type => base.Type; 1357public new TypeSymbol Type => base.Type!; 1387public new TypeSymbol Type => base.Type!; 1422public new TypeSymbol Type => base.Type!; 1459public new TypeSymbol Type => base.Type!; 1493public new TypeSymbol Type => base.Type!; 1524public new TypeSymbol Type => base.Type!; 1555public new TypeSymbol Type => base.Type!; 1587public new TypeSymbol Type => base.Type!; 1619public new TypeSymbol Type => base.Type!; 1653public new TypeSymbol Type => base.Type!; 1709public new TypeSymbol Type => base.Type!; 1796public new TypeSymbol Type => base.Type!; 1836public new TypeSymbol Type => base.Type!; 1871public new TypeSymbol Type => base.Type!; 1909public new TypeSymbol Type => base.Type!; 1953if (leftOperand != this.LeftOperand || rightOperand != this.RightOperand || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 1980public new TypeSymbol? Type => base.Type; 2022public new TypeSymbol Type => base.Type!; 2060public new TypeSymbol Type => base.Type!; 2090public new TypeSymbol? Type => base.Type; 2120public new TypeSymbol Type => base.Type!; 2186public new TypeSymbol Type => base.Type!; 2226public new TypeSymbol Type => base.Type!; 2313public new TypeSymbol Type => base.Type!; 2355public new TypeSymbol Type => base.Type!; 2398public new TypeSymbol Type => base.Type!; 2435public new TypeSymbol Type => base.Type!; 2470public new TypeSymbol Type => base.Type!; 2508public new TypeSymbol Type => base.Type!; 2543public new TypeSymbol Type => base.Type!; 2578public new TypeSymbol Type => base.Type!; 2613public new TypeSymbol Type => base.Type!; 2648public new TypeSymbol Type => base.Type!; 2687public new TypeSymbol Type => base.Type!; 2729public new TypeSymbol Type => base.Type!; 2772public new TypeSymbol Type => base.Type!; 2803public new TypeSymbol? Type => base.Type; 2826public new TypeSymbol Type => base.Type!; 2860public new TypeSymbol Type => base.Type!; 2896public new TypeSymbol Type => base.Type!; 2930public new TypeSymbol Type => base.Type!; 2968public new TypeSymbol Type => base.Type!; 3007public new TypeSymbol Type => base.Type!; 3044public new TypeSymbol Type => base.Type!; 3073public new TypeSymbol? Type => base.Type; 3109public new TypeSymbol Type => base.Type!; 4319if (constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 4351public new TypeSymbol Type => base.Type!; 4387public new TypeSymbol Type => base.Type!; 4422public new TypeSymbol Type => base.Type!; 4457public new TypeSymbol Type => base.Type!; 4486public new TypeSymbol? Type => base.Type; 4531public new TypeSymbol Type => base.Type!; 4578public new TypeSymbol Type => base.Type!; 4611public new TypeSymbol Type => base.Type!; 4652public new TypeSymbol Type => base.Type!; 4797if (!Symbols.SymbolEqualityComparer.ConsiderEverything.Equals(label, this.Label) || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 4958if (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)) 4983public new TypeSymbol Type => base.Type!; 5730public new TypeSymbol? Type => base.Type; 5753if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 5779public new TypeSymbol Type => base.Type!; 5815public new TypeSymbol Type => base.Type!; 5852public new TypeSymbol Type => base.Type!; 5907public new TypeSymbol Type => base.Type!; 5941public new TypeSymbol Type => base.Type!; 5978public new TypeSymbol Type => base.Type!; 6021public new TypeSymbol Type => base.Type!; 6053public new TypeSymbol Type => base.Type!; 6166public new TypeSymbol Type => base.Type!; 6213public new TypeSymbol Type => base.Type!; 6255public new TypeSymbol Type => base.Type!; 6296public new TypeSymbol? Type => base.Type; 6336public new TypeSymbol Type => base.Type!; 6414public new TypeSymbol? Type => base.Type; 6451public new TypeSymbol Type => base.Type!; 6494if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6572public new TypeSymbol? Type => base.Type; 6609if (sourceTuple != this.SourceTuple || wasTargetTyped != this.WasTargetTyped || arguments != this.Arguments || argumentNamesOpt != this.ArgumentNamesOpt || inferredNamesOpt != this.InferredNamesOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 6708public new TypeSymbol Type => base.Type!; 6763public new TypeSymbol Type => base.Type!; 6816public new TypeSymbol Type => base.Type!; 6883public new TypeSymbol Type => base.Type!; 6922public new TypeSymbol Type => base.Type!; 6958public new TypeSymbol Type => base.Type!; 6991public new TypeSymbol Type => base.Type!; 7033public new TypeSymbol Type => base.Type!; 7096public new TypeSymbol Type => base.Type!; 7130public new TypeSymbol Type => base.Type!; 7161public new TypeSymbol? Type => base.Type; 7216if (!TypeSymbol.Equals(elementType, this.ElementType, TypeCompareKind.ConsiderEverything) || count != this.Count || initializerOpt != this.InitializerOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7238public new TypeSymbol Type => base.Type!; 7272public new TypeSymbol Type => base.Type!; 7317public new TypeSymbol Type => base.Type!; 7351public new TypeSymbol Type => base.Type!; 7388public new TypeSymbol Type => base.Type!; 7432public new TypeSymbol Type => base.Type!; 7486public new TypeSymbol Type => base.Type!; 7529public new TypeSymbol Type => base.Type!; 7568public new TypeSymbol Type => base.Type!; 7610public new TypeSymbol? Type => base.Type; 7654public new TypeSymbol? Type => base.Type; 7692public new TypeSymbol Type => base.Type!; 7755public new TypeSymbol Type => base.Type!; 7806if (parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7834if (!interpolationData.Equals(this.InterpolationData) || parts != this.Parts || constantValueOpt != this.ConstantValueOpt || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7862if (!TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 7892public new TypeSymbol Type => base.Type!; 7924public new TypeSymbol? Type => base.Type; 7977if (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)) 8541public new TypeSymbol? Type => base.Type; 8578if (expression != this.Expression || !TypeSymbol.Equals(type, this.Type, TypeCompareKind.ConsiderEverything)) 8600public new TypeSymbol? Type => base.Type; 8673public new TypeSymbol? Type => base.Type; 8771public new TypeSymbol? Type => base.Type; 8804public new TypeSymbol Type => base.Type!; 10821TypeSymbol? type = this.VisitType(node.Type); 10827TypeSymbol? type = this.VisitType(node.Type); 10887TypeSymbol? type = this.VisitType(node.Type); 10893TypeSymbol? type = this.VisitType(node.Type); 10899TypeSymbol? type = this.VisitType(node.Type); 11076TypeSymbol? type = this.VisitType(node.Type); 11443TypeSymbol? type = this.VisitType(node.Type); 11506TypeSymbol? type = this.VisitType(node.Type); 11531TypeSymbol? type = this.VisitType(node.Type); 11668TypeSymbol? type = this.VisitType(node.Type); 11790TypeSymbol? type = this.VisitType(node.Type); 11813TypeSymbol? type = this.VisitType(node.Type); 11917TypeSymbol? type = this.VisitType(node.Type); 12018TypeSymbol? type = this.VisitType(node.Type); 12024TypeSymbol? type = this.VisitType(node.Type); 12029TypeSymbol? type = this.VisitType(node.Type); 12050TypeSymbol? type = this.VisitType(node.Type); 12167TypeSymbol? type = this.VisitType(node.Type); 12276updatedNode = node.Update(receiver, node.LocalScopeDepth, node.Type); 12442updatedNode = node.Update(expression, node.Type); 12460updatedNode = node.Update(node.ResultKind, node.Symbols, childBoundNodes, node.Type); 12855updatedNode = node.Update(leftOperand, rightOperand, node.Type); 13648updatedNode = node.Update(expression, switchArms, reachabilityDecisionDag, node.DefaultLabel, node.ReportedNotExhaustive, node.Type); 13743updatedNode = node.Update(expression, node.Type); 14105updatedNode = node.Update(sourceTuple, node.WasTargetTyped, arguments, node.ArgumentNamesOpt, node.InferredNamesOpt, node.Type); 14388updatedNode = node.Update(elementType, count, initializerOpt, node.Type); 14626updatedNode = node.Update(parts, node.ConstantValueOpt, node.Type); 14643updatedNode = node.Update(node.InterpolationData, parts, node.ConstantValueOpt, node.Type); 14705updatedNode = node.Update(expression, pattern, node.IsNegated, reachabilityDecisionDag, node.WhenTrueLabel, node.WhenFalseLabel, node.Type); 14854updatedNode = node.Update(expression, node.Type); 14996new TreeDumperNode("type", node.Type, null), 15005new TreeDumperNode("type", node.Type, null), 15094new TreeDumperNode("type", node.Type, null), 15102new TreeDumperNode("type", node.Type, null), 15112new TreeDumperNode("type", node.Type, null), 15382new TreeDumperNode("type", node.Type, null), 15945new TreeDumperNode("type", node.Type, null), 16047new TreeDumperNode("type", node.Type, null), 16083new TreeDumperNode("type", node.Type, null), 16269new TreeDumperNode("type", node.Type, null), 16486new TreeDumperNode("type", node.Type, null), 16520new TreeDumperNode("type", node.Type, null), 16686new TreeDumperNode("type", node.Type, null), 16853new TreeDumperNode("type", node.Type, null), 16863new TreeDumperNode("type", node.Type, null), 16870new TreeDumperNode("type", node.Type, null), 16902new TreeDumperNode("type", node.Type, null), 17056new TreeDumperNode("type", node.Type, null),

674rewrittenSource.Type, 1008this.returnValue = returnValue = new SynthesizedLocal(containingMethod, TypeWithAnnotations.Create(valueOpt.Type), SynthesizedLocalKind.AsyncMethodReturnValue, _syntaxOpt);

364var awaiterTemp = F.SynthesizedLocal(getAwaiter.Type, syntax: node.Syntax, kind: SynthesizedLocalKind.Awaiter);

236F.Call(parameterProxy, WellKnownMember.System_Threading_CancellationToken__Equals, F.Default(parameterProxy.Type)),

580Debug.Assert(TypeSymbol.Equals(result.Type, frameType, TypeCompareKind.ConsiderEverything2)); 695BoundExpression assignment = new BoundAssignmentOperator(syntax, left, right, left.Type); 788var assignToProxy = new BoundAssignmentOperator(syntax, left, value, value.Type); 1251rewrittenExceptionSource.Type);

118if (!node.Type.Equals(result.Type, TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)) 298if (!TypeSymbol.Equals(index.Type, _int32Type, TypeCompareKind.ConsiderEverything2)) 300index = ConvertIndex(index, arg.Type, _int32Type); 316if (!TypeSymbol.Equals(index.Type, _int32Type, TypeCompareKind.ConsiderEverything2)) 318index = ConvertIndex(index, arg.Type, _int32Type); 367if (node.Operand.IsLiteralNull() && (object)node.Operand.Type == null) 493if ((object)left.Type == null && left.IsLiteralNull()) 495left = _bound.Default(right.Type); 497if ((object)right.Type == null && right.IsLiteralNull()) 499right = _bound.Default(left.Type); 510var promotedType = PromotedType(enumOperand.Type.StrippedType().GetEnumUnderlyingType()); 563return Convert(loweredOperand, operand.Type, promotedType, isChecked, false); 700var operandType = node.Operand.Type; 709? Convert(Visit(node.Operand), node.Operand.Type, method.Parameters[0].Type, node.Checked, false) 725if (node.Operand.Type.IsNullableType()) 727return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 734var e1 = Convert(Visit(node.Operand), node.Operand.Type, intermediate, node.Checked, false); 740return Convert(Visit(node.Operand), node.Operand.Type, node.Type, node.Checked, node.ExplicitCastInCode); 760receiver = requiresInstanceReceiver ? nullObject : receiver.Type.IsReferenceType ? receiver : _bound.Convert(_objectType, receiver); 798var d = node.Argument.Type as NamedTypeSymbol; 819if ((object)operand.Type == null && operand.ConstantValueOpt != null && operand.ConstantValueOpt.IsNull) 880TypeSymbol lambdaParamType = node.LeftPlaceholder.Type; 881return _bound.StaticCall(WellKnownMember.System_Linq_Expressions_Expression__Coalesce_Lambda, left, right, MakeConversionLambda(leftConversion, lambdaParamType, node.LeftConversion.Type)); 1117if (node.ReceiverOpt?.Type.IsTypeParameter() == true && 1118!node.ReceiverOpt.Type.IsReferenceType) 1188var promotedType = PromotedType(arg.Type.StrippedType().GetEnumUnderlyingType()); 1190loweredArg = Convert(loweredArg, arg.Type, promotedType, isChecked, false); 1207_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()) 377expr.Type is TypeSymbol type &&

228Debug.Assert(TypeSymbol.Equals(expr1.Type, expr2.Type, TypeCompareKind.ConsiderEverything2)); 330if (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)) 335else 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)) 356NamedTypeSymbol nt = conv.Operand.Type as NamedTypeSymbol; 447if (!conversion.Operand.Type.SpecialType.IsIntegralType() || !conversion.Type.SpecialType.IsIntegralType()) 452if (!Binder.CheckConstantBounds(conversion.Operand.Type.SpecialType, constantValue, out _)) 454Error(ErrorCode.WRN_VacuousIntegralComp, tree, conversion.Operand.Type); 612TypeSymbol from = conv.Operand.Type; 770Error(ErrorCode.WRN_NubExprIsConstBool, node, always, node.Left.Type.GetNullableUnderlyingType(), node.Left.Type); 774Error(ErrorCode.WRN_NubExprIsConstBool, node, always, node.Right.Type.GetNullableUnderlyingType(), node.Right.Type); 818Error(node.OperatorKind.IsUserDefined() ? ErrorCode.WRN_NubExprIsConstBool2 : ErrorCode.WRN_NubExprIsConstBool, node, always, node.Left.Type.GetNullableUnderlyingType(), GetTypeForLiftedComparisonWarning(node.Right)); 822Error(node.OperatorKind.IsUserDefined() ? ErrorCode.WRN_NubExprIsConstBool2 : ErrorCode.WRN_NubExprIsConstBool, node, always, node.Right.Type.GetNullableUnderlyingType(), GetTypeForLiftedComparisonWarning(node.Left)); 858if ((object)node.Type == null || !node.Type.IsNullableType()) 874return type ?? node.Type;

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);

555Debug.Assert(invocation.Type is not null); 565if (invocation.Type.SpecialType != SpecialType.System_Void)

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

295_methodValue = F.SynthesizedLocal(result.Type);

259TypeSymbol? type = node.Type; 280Debug.Assert(visited == null || visited.HasErrors || ReferenceEquals(visited.Type, node.Type) || 281visited.Type is { } && visited.Type.Equals(node.Type, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || 302type: visited.Type); 512Debug.Assert(value.Type is { } && (value.Type.Equals(placeholder.Type, TypeCompareKind.AllIgnoreOptions) || value.HasErrors)); 577Debug.Assert(node.Type is { }); 578return BadExpression(node.Syntax, node.Type, ImmutableArray.Create(node)); 831var indexType = VisitType(node.Indices[0].Type); 843Debug.Assert(node.Expression.Type is { TypeKind: TypeKind.Array }); 844var elementType = ((ArrayTypeSymbol)node.Expression.Type).ElementTypeWithAnnotations; 1060Debug.Assert(eventAccess.ReceiverOpt.Type is { }); 1061return !eventAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(eventAccess.ReceiverOpt); 1071Debug.Assert(fieldAccess.ReceiverOpt.Type is { }); 1072return !fieldAccess.ReceiverOpt.Type.IsValueType || CanBePassedByReference(fieldAccess.ReceiverOpt);

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) 803throw ExceptionUtilities.UnexpectedValue(input.Type); 813var lessThanOrEqualOperator = input.Type.SpecialType switch 818_ => throw ExceptionUtilities.UnexpectedValue(input.Type.SpecialType) 821var cases = node.Cases.Sort(new CasesComparer(input.Type));

198TypeSymbol inputType = input.Type; 211Conversion conversion = _factory.Compilation.Conversions.ClassifyBuiltInConversion(inputType, output.Type, isChecked: false, ref useSiteInfo); 219inputType.GetNullableUnderlyingType().Equals(output.Type, TypeCompareKind.AllIgnoreOptions) && 340Debug.Assert(input.Type is { }); 344return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullNotEqual : BinaryOperatorKind.NotEqual); 351return MakeNullCheck(d.Syntax, input, input.Type.IsNullableType() ? BinaryOperatorKind.NullableNullEqual : BinaryOperatorKind.Equal); 354Debug.Assert(!input.Type.IsNullableType()); 358Debug.Assert(!input.Type.IsNullableType()); 359Debug.Assert(input.Type.IsValueType); 369Debug.Assert(!rewrittenExpr.Type.IsSpanOrReadOnlySpanChar()); 371if (rewrittenExpr.Type.IsPointerOrFunctionPointer()) 389if (value.IsString && input.Type.IsSpanOrReadOnlySpanChar()) 394TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 403if (input.Type.SpecialType == SpecialType.System_Double && double.IsNaN(value.DoubleValue) || 404input.Type.SpecialType == SpecialType.System_Single && float.IsNaN(value.SingleValue)) 410BoundExpression literal = _localRewriter.MakeLiteral(syntax, value, input.Type); 411TypeSymbol comparisonType = input.Type.EnumUnderlyingTypeOrSelf(); 433var isReadOnlySpan = input.Type.IsReadOnlySpanChar(); 475Debug.Assert(output.Type is { }); 477testExpression = _factory.ObjectNotEqual(output, _factory.Null(output.Type)); 511Debug.Assert(loweredInput.Type is { }); 552if (loweredInput.Type.IsTupleType && 553!loweredInput.Type.OriginalDefinition.Equals(_factory.Compilation.GetWellKnownType(WellKnownType.System_ValueTuple_TRest)) && 627var 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));

322TypeSymbol? exprType = rewrittenRight.Type;

333Debug.Assert(loweredLeft.Type is { }); 334Debug.Assert(loweredRight.Type is { }); 336return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 339return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 347Debug.Assert(loweredLeft.Type is { }); 348Debug.Assert(loweredRight.Type is { }); 350return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 353return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 361Debug.Assert(loweredLeft.Type is { }); 362Debug.Assert(loweredRight.Type is { }); 364return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredRight, loweredRight.Type); 367return MakeUnaryOperator(UnaryOperatorKind.BoolLogicalNegation, syntax, method: null, constrainedToTypeOpt: null, loweredLeft, loweredLeft.Type); 569Debug.Assert(loweredLeft.Type is { }); 570whenNullOpt = RewriteLiftedBinaryOperator(syntax, operatorKind, _factory.Default(loweredLeft.Type), loweredRight, type, method, constrainedToTypeOpt); 580type: result.Type! 890Debug.Assert(expression.Type is { }); 894if (expression.Type.IsNullableType()) 900UnsafeGetNullableMethod(syntax, expression.Type, SpecialMember.System_Nullable_T_GetValueOrDefault)); 913Debug.Assert(expression.Type is { }); 917if (expression.Type.IsNullableType()) 927Debug.Assert(expression.Type is { }); 932UnsafeGetNullableMethod(syntax, expression.Type, SpecialMember.System_Nullable_T_get_HasValue)); 1615Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 1616Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 1689Debug.Assert(alwaysNull.Type is { }); 1690BoundExpression nullBool = new BoundDefaultExpression(syntax, alwaysNull.Type); 1702rewrittenType: alwaysNull.Type, 1729rewrittenType: alwaysNull.Type, 1731Debug.Assert(conditionalExpression.Type is { }); 1737type: conditionalExpression.Type); 1791rewrittenType: newNullBool.Type!, 1798type: conditionalExpression.Type!); 1878rewrittenType: alternative.Type!, 1886type: conditionalExpression.Type!); 1984return conditionalAccess.Update(conditionalAccess.Receiver, conditionalAccess.HasValueMethodOpt, whenNotNull, whenNull, conditionalAccess.Id, conditionalAccess.ForceCopyOfNullableValueType, whenNotNull.Type!); 2040Debug.Assert(loweredLeft.Type is { SpecialType: SpecialType.System_Decimal }); 2041Debug.Assert(loweredRight.Type is { SpecialType: SpecialType.System_Decimal }); 2074TypeSymbol? exprType = rewrittenExpr.Type; 2137Debug.Assert(loweredRight.Type is { }); 2138TypeSymbol rightType = loweredRight.Type; 2204Debug.Assert(loweredLeft.Type is { }); 2205TypeSymbol leftType = loweredLeft.Type; 2209Debug.Assert(loweredRight.Type is { }); 2210TypeSymbol rightType = loweredRight.Type; 2260Debug.Assert(loweredLeft.Type is { TypeKind: TypeKind.Pointer }); 2261loweredRight = MakeSizeOfMultiplication(loweredRight, (PointerTypeSymbol)loweredLeft.Type, kind.IsChecked()); 2265Debug.Assert(loweredRight.Type is { TypeKind: TypeKind.Pointer }); 2266loweredLeft = MakeSizeOfMultiplication(loweredLeft, (PointerTypeSymbol)loweredRight.Type, kind.IsChecked()); 2305Debug.Assert(sizeOfExpression.Type is { SpecialType: SpecialType.System_Int32 }); 2315Debug.Assert(numericOperand.Type is { }); 2316var numericSpecialType = numericOperand.Type.SpecialType; 2452Debug.Assert(loweredLeft.Type is { TypeKind: TypeKind.Pointer }); 2453Debug.Assert(loweredRight.Type is { TypeKind: TypeKind.Pointer }); 2456PointerTypeSymbol 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; 204var symbolForCompare = needToReduce ? ReducedExtensionMethodSymbol.Create(interceptor, receiverOpt!.Type, _compilation, out _) : interceptor; 275Debug.Assert(receiverOpt?.Type is not null); 281Debug.Assert(receiverOpt.Type.Equals(interceptor.Parameters[0].Type, TypeCompareKind.AllIgnoreOptions) 282|| (!receiverOpt.Type.IsReferenceType && interceptor.Parameters[0].Type.IsReferenceType)); 508Debug.Assert(rewrittenBoundCall.Type is not null); 517type: rewrittenBoundCall.Type); 678Debug.Assert(rewrittenReceiver.Type is { }); 692refKind = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter ? RefKind.Ref : RefKind.None; 696if (rewrittenReceiver.Type.IsReferenceType) 1135optimized = CreateArrayEmptyCallIfAvailable(possibleParamsArray.Syntax, ((ArrayTypeSymbol)possibleParamsArray.Type!).ElementType);

176Debug.Assert(singleSpread.Expression.Type is not null); 178if (!ShouldUseAddRangeOrToListMethod(singleSpread.Expression.Type, toListOfElementType.Parameters[0].Type, singleSpread.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 221Elements: [BoundCollectionExpressionSpreadElement { Expression: { Type: NamedTypeSymbol spreadType } expr }], 309Debug.Assert(list.Type is { }); 310Debug.Assert(list.Type.OriginalDefinition.Equals(_compilation.GetWellKnownType(WellKnownType.System_Collections_Generic_List_T), TypeCompareKind.AllIgnoreOptions)); 312var listToArray = ((MethodSymbol)_factory.WellKnownMember(WellKnownMember.System_Collections_Generic_List_T__ToArray)).AsMember((NamedTypeSymbol)list.Type); 321Debug.Assert(TypeSymbol.Equals(array.Type, spanConstructor.Parameters[0].Type, TypeCompareKind.AllIgnoreOptions)); 657var spreadTypeOriginalDefinition = spreadExpression.Type!.OriginalDefinition; 661return _factory.Call(rewrittenSpreadExpression, listToArrayMethod.AsMember((NamedTypeSymbol)spreadExpression.Type!)); 664if (TryGetSpanConversion(spreadExpression.Type, writableOnly: false, out var asSpanMethod)) 666var spanType = CallAsSpanMethod(spreadExpression, asSpanMethod).Type!.OriginalDefinition; 671return _factory.Call(rewrittenSpreadExpression, toArrayMethod.AsMember((NamedTypeSymbol)rewrittenSpreadExpression.Type!)); 743Debug.Assert(arrayTemp.Type is ArrayTypeSymbol); 747var elementType = ((ArrayTypeSymbol)arrayTemp.Type).ElementType; 858var type = expression.Type; 925if (spreadOperandAsSpan.Type!.OriginalDefinition.Equals(this._compilation.GetWellKnownType(wellKnownSpanType)) 964var spreadLength = _factory.Call(spreadOperandAsSpan, getLengthMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!)); 965var targetSlice = _factory.Call(spanTemp, spanSliceMethod.AsMember((NamedTypeSymbol)spanTemp.Type!), indexTemp, spreadLength); 966sideEffects.Add(_factory.Call(spreadOperandAsSpan, copyToMethod.AsMember((NamedTypeSymbol)spreadOperandAsSpan.Type!), targetSlice)); 1080Debug.Assert(spanTemp.Type is NamedTypeSymbol); 1084var elementType = ((NamedTypeSymbol)spanTemp.Type).TypeArgumentsWithAnnotationsNoUseSiteDiagnostics[0].Type; 1133Debug.Assert(rewrittenSpreadOperand.Type is not null); 1138if (!ShouldUseAddRangeOrToListMethod(rewrittenSpreadOperand.Type, addRangeMethod.Parameters[0].Type, spreadElement.EnumeratorInfoOpt?.GetEnumeratorInfo.Method)) 1273_factory.Binary(BinaryOperatorKind.Addition, sum.Type!, sum, value); 1308if (convertedExpression.Operand.Type is ArrayTypeSymbol arrayType)

24Debug.Assert(TypeSymbol.Equals(node.Right.Type, node.Operator.RightType, TypeCompareKind.ConsiderEverything2)); 92Debug.Assert(rewrittenAssignment.Type is { }); 95var condition = _factory.Conditional(isEvent, invokeEventAccessor.ToExpression(), rewrittenAssignment, rewrittenAssignment.Type); 97rewrittenAssignment = new BoundSequence(node.Syntax, eventTemps.ToImmutableAndFree(), sequence.ToImmutableAndFree(), condition, condition.Type!); 104Debug.Assert(rewrittenAssignment.Type is { }); 112rewrittenAssignment.Type); 144Debug.Assert(node.Left.Type is { }); 156Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.Left.Type, TypeCompareKind.AllIgnoreOptions)); 202Debug.Assert(rewrittenReceiver.Type is { }); 203var variableRepresentsLocation = rewrittenReceiver.Type.IsValueType || rewrittenReceiver.Type.Kind == SymbolKind.TypeParameter; 413indexerAccess.Argument.Type, 420throw ExceptionUtilities.UnexpectedValue(indexerAccess.Argument.Type); 441if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 469Debug.Assert(receiver is { Type: { } }); 474else if (!receiver.Type.IsReferenceType) 479Debug.Assert(receiver.Type.IsReferenceType); 483Debug.Assert(rewrittenReceiver.Type is { }); 484if (rewrittenReceiver.Type.IsTypeParameter()) 622Debug.Assert(implicitIndexerAccess.Argument.Type!.Equals(_compilation.GetWellKnownType(WellKnownType.System_Index)) 623|| implicitIndexerAccess.Argument.Type!.Equals(_compilation.GetWellKnownType(WellKnownType.System_Range))); 652if (isDynamicAssignment || !IsInvariantArray(arrayAccess.Expression.Type)) 833var type = expression.Type; 849var type = expression.Type; 905Debug.Assert(expression.Type is { }); 906if (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)); 226Debug.Assert(rewrittenNode.Type is { }); 227var type = rewrittenNode.Type; 273Debug.Assert(result.Type is { } rt && rt.Equals(rewrittenType, TypeCompareKind.AllIgnoreOptions)); 291type: result.Type); 314@checked = @checked && NeedsCheckedConversionInExpressionTree(rewrittenOperand.Type, rewrittenType, explicitCastInCode); 320Debug.Assert(rewrittenOperand.Type is { }); 333if (_inExpressionLambda || !rewrittenOperand.Type.Equals(rewrittenType, TypeCompareKind.ConsiderEverything)) 428Debug.Assert(rewrittenOperand.Type is { }); 434if (rewrittenType.SpecialType == SpecialType.System_Decimal || rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 436return RewriteDecimalConversion(syntax, rewrittenOperand, rewrittenOperand.Type, rewrittenType, @checked, conversion.Kind.IsImplicitConversion(), constantValueOpt); 443Debug.Assert(rewrittenOperand.Type is { }); 446Debug.Assert(rewrittenOperand.Type.Equals(rewrittenType, TypeCompareKind.IgnoreDynamicAndTupleNames | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes)); 489Debug.Assert(rewrittenOperand.Type is { }); 499Debug.Assert(rewrittenOperand.Type.IsEnumType()); 500var underlyingTypeFrom = rewrittenOperand.Type.GetEnumUnderlyingType()!; 504else if (rewrittenOperand.Type.SpecialType == SpecialType.System_Decimal) 512var 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; 813Debug.Assert(rewrittenOperand.Type is { }); 815Conversion conversion = compilation.Conversions.ClassifyConversionFromType(rewrittenOperand.Type, rewrittenType, isChecked: @checked, ref useSiteInfo); 821rewrittenOperand.Type.SpecialType != SpecialType.System_Decimal && 822rewrittenOperand.Type.SpecialType != SpecialType.System_DateTime) 828rewrittenOperand.Type, 874if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.BestUserDefinedConversionAnalysis.FromType, TypeCompareKind.ConsiderEverything2)) 884if (!TypeSymbol.Equals(rewrittenOperand.Type, conversion.Method.GetParameterType(0), TypeCompareKind.ConsiderEverything2)) 897Debug.Assert(rewrittenOperand.Type is { }); 898if (rewrittenOperand.Type.IsNullableType() && 899conversion.Method.GetParameterType(0).Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 903userDefinedConversionRewrittenType = ((NamedTypeSymbol)rewrittenOperand.Type.OriginalDefinition).Construct(userDefinedConversionRewrittenType); 913if (!TypeSymbol.Equals(userDefined.Type, conversion.BestUserDefinedConversionAnalysis.ToType, TypeCompareKind.ConsiderEverything2)) 922if (!TypeSymbol.Equals(userDefined.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)) 954Debug.Assert(rewrittenOperand.Type is { }); 958var tupleTypeSymbol = (NamedTypeSymbol)rewrittenOperand.Type; 995Debug.Assert(expression.Type is { }); 996if (!expression.Type.IsNullableType()) 1008when convertedArgument.Type!.Equals(expression.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions): 1013when underlying.Length == 1 && underlying[0].Kind == ConversionKind.ImplicitTuple && !convertedArgument.Type!.IsNullableType(): 1048TypeSymbol? rewrittenOperandType = rewrittenOperand.Type; 1098Debug.Assert(rewrittenOperand.Type is { }); 1099TypeSymbol rewrittenOperandType = rewrittenOperand.Type; 1312Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 1313Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 1345Debug.Assert(rewrittenOperand.Type is { }); 1346if (rewrittenOperand.Type.IsNullableType()) 1349if (parameterType.Equals(rewrittenOperand.Type.GetNullableUnderlyingType(), TypeCompareKind.AllIgnoreOptions) && 1363if ((rewrittenOperand.Type.IsArray()) && _compilation.IsReadOnlySpanType(rewrittenType)) 1375Debug.Assert(TypeSymbol.Equals(result.Type, rewrittenType, TypeCompareKind.ConsiderEverything2)); 1398Debug.Assert(rewrittenOperand.Type is { }); 1401Conversion conv = TryMakeConversion(syntax, conversion, rewrittenOperand.Type, rewrittenType, @checked: @checked); 1413Debug.Assert(rewrittenOperand.Type.IsNullableType()); 1490Debug.Assert(rewrittenOperand.Type is { }); 1493TypeSymbol source = rewrittenOperand.Type; 1716Debug.Assert(operand.Type is { }); 1717return 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: { } }); 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; 443TypeSymbol? initializerType = initializerExpr.Type; 512TypeSymbol? initializerType = initializerExpr.Type;

42TypeSymbol? nodeExpressionType = collectionExpression.Type; 497Debug.Assert(receiver.Type is { }); 498if (!receiver.Type.IsReferenceType && method.ContainingType.IsInterface) 609NamedTypeSymbol? collectionType = (NamedTypeSymbol?)collectionExpression.Type; 748Debug.Assert(rewrittenExpression.Type is not null); 877Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 905Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 909ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type; 1026Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1054Debug.Assert(collectionExpression.Type is { TypeKind: TypeKind.Array }); 1058ArrayTypeSymbol arrayType = (ArrayTypeSymbol)collectionExpression.Type;

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

119Debug.Assert(oldNode.Type is not null); 120Debug.Assert(oldNode.Type.Equals(type, TypeCompareKind.ConsiderEverything)); 180Debug.Assert(call.Type is not null); 194call.Type); 203Debug.Assert(node.Expression.Type is object); 204Debug.Assert(node.Argument.Type is object); 219_ = node.Expression.Type.HasInlineArrayAttribute(out int length); 221if (node.Argument.Type.SpecialType == SpecialType.System_Int32) 229if (TypeSymbol.Equals(node.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.AllIgnoreOptions)) 241Debug.Assert(TypeSymbol.Equals(node.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.AllIgnoreOptions)); 323Debug.Assert(node.Expression.Type is object); 335return createSpan.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 340Debug.Assert(node.Expression.Type is object); 341Debug.Assert(index.Type?.SpecialType == SpecialType.System_Int32); 343var intType = (NamedTypeSymbol)index.Type; 362elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 381elementRef = elementRef.Construct(node.Expression.Type, node.Expression.Type.TryGetInlineArrayElementField()!.Type); 436node.Argument.Type, 445node.Argument.Type, 483node.Argument.Type, 499Debug.Assert(receiver.Type is { }); 505receiver.Type.IsReferenceType ? RefKind.None : RefKind.Ref); 563Debug.Assert(integerArgument.Type!.SpecialType == SpecialType.System_Int32); 659Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 670Debug.Assert(loweredExpr.Type!.SpecialType == SpecialType.System_Int32); 677loweredExpr.Type, 710unloweredExpr.Type, 718Debug.Assert(hatExpression.Operand is { Type: { SpecialType: SpecialType.System_Int32 } }); 722else if (unloweredExpr is BoundConversion { Operand: { Type: { SpecialType: SpecialType.System_Int32 } } operand }) 731arguments[0] is { Type.SpecialType: SpecialType.System_Int32, ConstantValueOpt.Value: int _ and >= 0 } index && 732arguments[1] is { Type.SpecialType: SpecialType.System_Boolean, ConstantValueOpt.Value: bool fromEnd }) 775node.Argument.Type, 801Debug.Assert(receiver.Type is { }); 807receiver.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)); 45var leftPlaceholder = new BoundValuePlaceholder(lhsRead.Syntax, lhsRead.Type); 46BoundExpression conditionalExpression = MakeNullCoalescingOperator(syntax, lhsRead, assignment, leftPlaceholder: leftPlaceholder, leftConversion: leftPlaceholder, BoundNullCoalescingOperatorResultKind.LeftType, node.LeftOperand.Type); 47Debug.Assert(conditionalExpression.Type is { }); 56conditionalExpression.Type); 63Debug.Assert(node.LeftOperand.Type.IsNullableType()); 72leftOperand.Type, 80leftOperand.Type, 112Debug.Assert(transformedLHS.Type.GetNullableUnderlyingType().Equals(tmp.Type.StrippedType(), TypeCompareKind.AllIgnoreOptions)); 115Debug.Assert(TypeSymbol.Equals(transformedLHS.Type, node.LeftOperand.Type, TypeCompareKind.AllIgnoreOptions)); 120MakeConversionNode(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)); 320return MakeExpressionWithInitializer(node.Syntax, rewrittenNewT, node.InitializerExpressionOpt, rewrittenNewT.Type!);

367Debug.Assert(assignment.Type.IsDynamic() || TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 421Debug.Assert(TypeSymbol.Equals(rangeArgument.Type, _compilation.GetWellKnownType(WellKnownType.System_Range), TypeCompareKind.ConsiderEverything)); 439Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 472Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 484if (TypeSymbol.Equals(implicitIndexer.Argument.Type, _compilation.GetWellKnownType(WellKnownType.System_Index), TypeCompareKind.ConsiderEverything)) 506Debug.Assert(TypeSymbol.Equals(rewrittenAccess.Type, assignment.Type, TypeCompareKind.AllIgnoreOptions)); 667Debug.Assert(_compilation.Conversions.ClassifyConversionFromType(rewrittenReceiver.Type, memberSymbol.ContainingType, isChecked: false, ref discardedUseSiteInfo).IsImplicit || 668_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;

53Debug.Assert(loweredLeft.Type is { } && (loweredLeft.Type.IsStringType() || loweredLeft.Type.IsErrorType()) || loweredLeft.ConstantValueOpt?.IsNull == true); 54Debug.Assert(loweredRight.Type is { } && (loweredRight.Type.IsStringType() || loweredRight.Type.IsErrorType()) || loweredRight.ConstantValueOpt?.IsNull == true); 243SideEffects: [BoundAssignmentOperator { Right.Type.SpecialType: SpecialType.System_Char } assignment], 371Debug.Assert(loweredLeft.HasAnyErrors || loweredLeft.Type is { } && loweredLeft.Type.IsStringType()); 372Debug.Assert(loweredRight.HasAnyErrors || loweredRight.Type is { } && loweredRight.Type.IsStringType()); 382Debug.Assert(loweredFirst.HasAnyErrors || loweredFirst.Type is { } && loweredFirst.Type.IsStringType()); 383Debug.Assert(loweredSecond.HasAnyErrors || loweredSecond.Type is { } && loweredSecond.Type.IsStringType()); 384Debug.Assert(loweredThird.HasAnyErrors || loweredThird.Type is { } && loweredThird.Type.IsStringType()); 394Debug.Assert(loweredFirst.HasAnyErrors || loweredFirst.Type is { } && loweredFirst.Type.IsStringType()); 395Debug.Assert(loweredSecond.HasAnyErrors || loweredSecond.Type is { } && loweredSecond.Type.IsStringType()); 396Debug.Assert(loweredThird.HasAnyErrors || loweredThird.Type is { } && loweredThird.Type.IsStringType()); 397Debug.Assert(loweredFourth.HasAnyErrors || loweredFourth.Type is { } && loweredFourth.Type.IsStringType()); 408Debug.Assert(loweredArgs.All(a => a.HasErrors || a.Type is { } && a.Type.IsStringType())); 434if (arg is BoundCall { ReceiverOpt: { Type: NamedTypeSymbol { SpecialType: SpecialType.System_Char } receiverCharType } receiver } potentialToStringCall && 537Debug.Assert(arg.Type is not null); 539if (arg.Type.SpecialType == SpecialType.System_Char) 568Debug.Assert(arg.HasAnyErrors || arg.Type.SpecialType == SpecialType.System_String); 626if (expr is BoundCall { Type.SpecialType: SpecialType.System_String, Method: { Name: "ToString" } method, ReceiverOpt: { Type: NamedTypeSymbol { SpecialType: SpecialType.System_Char } charType, ConstantValueOpt.IsChar: true } } call && 648Debug.Assert(expr.Type is not null); 651if (expr.Type.IsStringType()) 663if (expr.Type.IsValueType && !expr.Type.IsTypeParameter()) 665var type = (NamedTypeSymbol)expr.Type; 686expr.Type.SpecialType.CanOptimizeBehavior() && 702bool callWithoutCopy = expr.Type.IsReferenceType || 704(structToStringMethod == null && !expr.Type.IsTypeParameter()) || 708if (expr.Type.IsValueType) 712expr = new BoundPassByCopy(syntax, expr, expr.Type); 744new BoundConditionalReceiver(syntax, currentConditionalAccessID, expr.Type),

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)); 90expr.Type is { } exprType && exprType.IsNullableType() && exprType.StrippedType().Equals(o.Type, TypeCompareKind.AllIgnoreOptions): 107Debug.Assert(expr.Type is { }); 108var destElementTypes = expr.Type.TupleElementTypesWithAnnotations; 110Debug.Assert(boundConversion.Operand.Type is { }); 111var srcElementFields = boundConversion.Operand.Type.TupleElements; 127ImmutableArray<bool>.Empty, expr.Type, expr.HasErrors); 163ImmutableArray<bool>.Empty, tuple.Type, tuple.HasErrors); 206return new BoundLiteral(expr.Syntax, ConstantValue.Null, expr.Type); 356isNullable = !(expr is BoundTupleExpression) && expr.Type is { } && expr.Type.IsNullableType(); 368Debug.Assert(expr.Type is { }); 371value = new BoundDefaultExpression(expr.Syntax, expr.Type.StrippedType()); 398Debug.Assert(expr.Type is { }); 404when expr.Type.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && !underlying[0].IsUserDefined: 438expr.Type is { } exprType && exprType.IsNullableType() && o.Type is { } && o.Type.IsNullableType() && nested[0] is { IsTupleConversion: true } tupleConversion: 440Debug.Assert(expr.Type is { }); 443Debug.Assert(operand.Type is { }); 444var types = expr.Type.GetNullableUnderlyingType().TupleElementTypesWithAnnotations; 445int tupleCardinality = operand.Type.TupleElementTypesWithAnnotations.Length; 461type: expr.Type, 524Debug.Assert(tuple.Type is { IsTupleType: true }); 530return MakeTupleFieldAccessAndReportUseSiteDiagnostics(tuple, tuple.Syntax, tuple.Type.TupleElements[i]);

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

132var underlyingType = loweredOperand.Type.GetEnumUnderlyingType(); 276Debug.Assert(result.Type is { }); 285type: result.Type 328Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Consequence.Type, TypeCompareKind.ConsiderEverything2)); 329Debug.Assert(TypeSymbol.Equals(conditional.Type, conditional.Alternative.Type, TypeCompareKind.ConsiderEverything2)); 439TypeSymbol? operandType = transformedLHS.Type; //type of the variable being incremented 512Debug.Assert(boundTemp.Type is not null); 527type: boundTemp.Type); 540Debug.Assert(boundTemp.Type is not null); 543Debug.Assert(tempValue.Type is { }); 552tempValue.Type); 566type: boundTemp.Type); 772Debug.Assert(binaryOperand.Type is { TypeKind: TypeKind.Pointer }); 773Debug.Assert(boundOne.Type is { SpecialType: SpecialType.System_Int32 }); 774return MakeBinaryOperator(node.Syntax, binaryOperatorKind, binaryOperand, boundOne, binaryOperand.Type, method: null, constrainedToTypeOpt: null); 826Debug.Assert(operand.Type is { SpecialType: SpecialType.System_Decimal }); 833Debug.Assert(operand.Type is { } && operand.Type.IsNullableType() && operand.Type.GetNullableUnderlyingType().SpecialType == SpecialType.System_Decimal); 837MethodSymbol getValueOrDefault = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T_GetValueOrDefault); 838MethodSymbol ctor = UnsafeGetNullableMethod(syntax, operand.Type, SpecialMember.System_Nullable_T__ctor); 849BoundExpression alternative = new BoundDefaultExpression(syntax, operand.Type); 852return RewriteConditionalOperator(syntax, condition, consequence, alternative, ConstantValue.NotAvailable, operand.Type, isRef: false);

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

544Debug.Assert(loweredReceiver.Type is { }); 545if (!loweredReceiver.Type.IsValueType) 829var argType = boundArgument.Type; 908result[j++] = receiver.Type ?? systemObjectType; 914result[j++] = arguments[i].Type ?? systemObjectType; 920result[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) 1034Debug.Assert(refKind == RefKind.None || !receiver.Type.IsReferenceType); 1043var receiverType = receiver.Type; 1074if (!receiver.Type.IsReferenceType && LocalRewriter.CanBePassedByReference(receiver)) 1076result = receiver.Type.IsReadOnly ? RefKind.In : RefKind.Ref; 1147Debug.Assert(condition.Type.SpecialType == SpecialType.System_Boolean); 1150var tmp = _F.SynthesizedLocal(condition.Type, kind: SynthesizedLocalKind.Spill, syntax: _F.Syntax); 1197type: node.Type)); 1254_F.ObjectEqual(_F.Local(tmp), _F.Null(left.Type)), 1286if (receiver.Type.IsReferenceType || receiver.Type.IsValueType || receiverRefKind == RefKind.None) 1306var clone = _F.SynthesizedLocal(receiver.Type, _F.Syntax, refKind: RefKind.None, kind: SynthesizedLocalKind.Spill); 1310var isNotClass = _F.IsNotNullReference(_F.Default(receiver.Type)); 1478return UpdateExpression(builder, node.Update(operand, node.Type)); 1522return UpdateExpression(builder, node.Update(expression, node.Type));

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

145Debug.Assert(thisProxyReplacement.Type is not null); 146this.cachedThis = F.SynthesizedLocal(thisProxyReplacement.Type, syntax: F.Syntax, kind: SynthesizedLocalKind.FrameCache); 542Debug.Assert(TypeSymbol.Equals(type, replacement.Type, TypeCompareKind.ConsiderEverything2)); 661TypeSymbol fieldType = expr.Type; 688hoistedField = F.StateMachineField(expr.Type, fieldName, new LocalSlotDebugInfo(kind, id), slotIndex);

259Debug.Assert(receiverOpt is null || receiverOpt.Type is { } && 260receiverOpt.Type.GetMembers(propertySym.Name).OfType<PropertySymbol>().Single() == propertySym); 271Debug.Assert(!(receiverOpt is { Type: ArrayTypeSymbol { IsSZArray: true } } && 431Debug.Assert(left.Type is { } && right.Type is { } && 432(left.Type.Equals(right.Type, TypeCompareKind.AllIgnoreOptions) || 434right.Type.IsErrorType() || left.Type.IsErrorType())); 436var assignment = new BoundAssignmentOperator(syntax, left, right, isRef, left.Type, hasErrors) { WasCompilerGenerated = wasCompilerGenerated }; 556var conversion = Compilation.Conversions.ClassifyConversionFromType(expression.Type, CurrentFunction.ReturnType, isChecked: false, ref useSiteInfo); 644Conversion c = Compilation.Conversions.ClassifyBuiltInConversion(operand.Type, type, isChecked: false, ref discardedUseSiteInfo); 650Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 651Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 657Debug.Assert(left.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 658Debug.Assert(right.Type?.SpecialType == CodeAnalysis.SpecialType.System_Boolean); 772switch (input.Type) 781throw ExceptionUtilities.UnexpectedValue(input.Type); 901Debug.Assert(valueTypeReceiver.Type is { }); 902Debug.Assert(TypeSymbol.Equals(valueTypeReceiver.Type, referenceTypeReceiver.Type, TypeCompareKind.ConsiderEverything2)); 903return new BoundComplexConditionalReceiver(Syntax, valueTypeReceiver, referenceTypeReceiver, valueTypeReceiver.Type) { WasCompilerGenerated = true }; 908Debug.Assert(left.Type!.Equals(right.Type, TypeCompareKind.IgnoreCustomModifiersAndArraySizesAndLowerBounds | TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) || left.Type.IsErrorType()); 909Debug.Assert(left.Type.IsReferenceType); 911return new BoundNullCoalescingOperator(Syntax, left, right, leftPlaceholder: null, leftConversion: null, BoundNullCoalescingOperatorResultKind.LeftType, @checked: false, left.Type) { WasCompilerGenerated = true }; 1019Debug.Assert(result.Type is { }); 1020var resultType = type ?? result.Type; 1026Debug.Assert(result.Type is { }); 1030: new BoundSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1035Debug.Assert(result.Type is { }); 1036return new BoundSpillSequence(Syntax, locals, sideEffects, result, result.Type) { WasCompilerGenerated = true }; 1065Debug.Assert(ex.Type is { SpecialType: CodeAnalysis.SpecialType.System_Int32 }); 1160Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1166Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1167int rank = ((ArrayTypeSymbol)array.Type).Rank; 1179Debug.Assert(array.Type is { TypeKind: TypeKind.Array }); 1180return new BoundArrayAccess(Syntax, array, indices, ((ArrayTypeSymbol)array.Type).ElementType); 1466if (TypeSymbol.Equals(type, arg.Type, TypeCompareKind.ConsiderEverything2)) 1480arg.Type is TypeParameterSymbol { AllowsRefLikeType: true } && type.IsObjectType()) 1496if (conversion.Method is { } && !TypeSymbol.Equals(conversion.Method.Parameters[0].Type, arg.Type, TypeCompareKind.ConsiderEverything2)) 1506Debug.Assert(arg.Type is { }); 1508arg.Type.IsNullableType() && 1509arg.Type.GetNullableUnderlyingType().Equals(type, TypeCompareKind.AllIgnoreOptions)) 1513return this.Call(arg, this.SpecialMethod(CodeAnalysis.SpecialMember.System_Nullable_T_get_Value).AsMember((NamedTypeSymbol)arg.Type)); 1602return new BoundCatchBlock(Syntax, ImmutableArray<LocalSymbol>.Empty, source, source.Type, exceptionFilterPrologueOpt: null, exceptionFilterOpt: null, body: block, isSynthesizedAsyncCatchAll: false); 1622Debug.Assert(expression is { Type: { SpecialType: CodeAnalysis.SpecialType.System_Boolean } }); 1623return new BoundUnaryOperator(expression.Syntax, UnaryOperatorKind.BoolLogicalNegation, expression, null, null, constrainedToTypeOpt: null, LookupResultKind.Viable, expression.Type); 1643Debug.Assert(argument.Type is { }); 1676var type = argument.Type; 1746TypeSymbol exprType = rewrittenExpr.Type; 1800LocalRewriter.UnsafeGetNullableMethod(syntax, expression.Type, CodeAnalysis.SpecialMember.System_Nullable_T_get_HasValue, Compilation, Diagnostics)); 1864return 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)) 1596boundNullCoalescingOperator.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())

779conversion.IsIdentity && parameterType.SpecialType == SpecialType.System_Object && defaultExpression.Type.IsDynamic()) 793(object)defaultExpression.Type != null && 794defaultExpression.Type.SpecialType == SpecialType.System_String || 804else if (((conversion.IsNullable && !defaultExpression.Type.IsNullableType()) || 805(conversion.IsObjectCreation && convertedExpression.Type.IsNullableType())) && 822(defaultExpression.IsImplicitObjectCreation() ? convertedExpression.Type.StrippedType() : defaultExpression.Type), parameterSyntax.Identifier.ValueText);

564return TypeWithAnnotations.Create(initializerOpt?.Type);

543if ((object)initializerOpt.Type != null && !initializerOpt.Type.IsErrorType()) 545type = TypeWithAnnotations.Create(initializerOpt.Type);

392public override TypeWithAnnotations ReturnTypeWithAnnotations => TypeWithAnnotations.Create(_getAwaiterGetResultCall.Type);