73WriteLine("{"); 80WriteLine("}"); 140WriteLine("#region Interfaces"); 146WriteLine("#endregion"); 180WriteLine("// Licensed to the .NET Foundation under one or more agreements."); 181WriteLine("// The .NET Foundation licenses this file to you under the MIT license."); 182WriteLine("// See the LICENSE file in the project root for more information."); 183WriteLine("// < auto-generated />"); 184WriteLine("#nullable enable"); 190WriteLine($"using {nsName};"); 195WriteLine($"namespace Microsoft.CodeAnalysis{(namespaceSuffix is null ? "" : $".{namespaceSuffix}")}"); 209WriteLine($"{(node.IsInternal ? "internal" : "public")} interface {node.Name} : {node.Base}"); 244WriteLine($"/// <{el.LocalName}>"); 255WriteLine($"/// {line.Substring(indentation)}"); 264WriteLine($"/// </{el.LocalName}>"); 269WriteLine("/// <remarks>"); 271WriteLine("/// </remarks>"); 279WriteLine("/// <para>This node is associated with the following operation kinds:</para>"); 280WriteLine("/// <list type=\"bullet\">"); 283WriteLine($"/// <item><description><see cref=\"OperationKind.{kind}\"/></description></item>"); 285WriteLine("/// </list>"); 288WriteLine("/// <para>This interface is reserved for implementation by its associated APIs. We reserve the right to"); 289WriteLine("/// change it in the future.</para>"); 299WriteLine($"{modifiers}{prop.Type} {prop.Name} {{ get; }}"); 304WriteLine("/// <summary>"); 305WriteLine("/// All of the kinds of operations, including statements and expressions."); 306WriteLine("/// </summary>"); 307WriteLine("public enum OperationKind"); 310WriteLine("/// <summary>Indicates an <see cref=\"IOperation\"/> for a construct that is not implemented yet.</summary>"); 311WriteLine("None = 0x0,"); 341WriteLine($"// Unused: {i:x}"); 374WriteLine($"/// <summary>Indicates an <see cref=\"{operationName}\"/>.{(extraText is object ? $" {extraText}" : "")}</summary>"); 378WriteLine("[EditorBrowsable(EditorBrowsableState.Never)]"); 383WriteLine($"[Obsolete({obsoleteMessage}, error: {obsoleteError})]"); 386WriteLine($"{kind} = 0x{value:x},"); 392WriteLine("#region Implementations"); 401WriteLine("#endregion"); 464WriteLine($"public override ITypeSymbol? Type {(node.HasType ? "{ get; }" : "=> null;")}"); 466WriteLine($"internal override ConstantValue? OperationConstantValue {(hasConstantValue ? "{ get; }" : "=> null;")}"); 470WriteLine("public override OperationKind Kind { get; }"); 475WriteLine($"public override OperationKind Kind => OperationKind.{kind};"); 485WriteLine($"internal {extensibility} partial class {@class} : {baseType}, {@interface}"); 530WriteLine(")"); 556WriteLine(" { }"); 570WriteLine($"{prop.Name}Convertible = {prop.Name.ToCamelCase()};"); 577WriteLine($"{prop.Name} = {initializer};"); 583WriteLine("OperationConstantValue = constantValue;"); 588WriteLine("Type = type;"); 593WriteLine("Kind = kind;"); 606WriteLine($"internal IConvertibleConversion {prop.Name}Convertible {{ get; }}"); 607WriteLine($"public CommonConversion {prop.Name} => {prop.Name}Convertible.ToCommonConversion();"); 630WriteLine(";"); 638WriteLine($"public {propExtensibility}{prop.Type} {prop.Name} {{ get; }}"); 644WriteLine($"public override void Accept(OperationVisitor visitor) => visitor.{visitorName}(this);"); 645WriteLine($"public override TResult? Accept<TArgument, TResult>(OperationVisitor<TArgument, TResult> visitor, TArgument argument) where TResult : default => visitor.{visitorName}(this, argument);"); 669WriteLine(" 0;"); 673WriteLine(""); 684WriteLine(" +"); 697WriteLine(";"); 730WriteLine("internal override IOperation GetCurrent(int slot, int index) => throw ExceptionUtilities.UnexpectedValue((slot, index));"); 731WriteLine("internal override (bool hasNext, int nextSlot, int nextIndex) MoveNext(int previousSlot, int previousIndex) => (false, int.MinValue, int.MinValue);"); 732WriteLine("internal override (bool hasNext, int nextSlot, int nextIndex) MoveNextReversed(int previousSlot, int previousIndex) => (false, int.MinValue, int.MinValue);"); 737WriteLine("internal override IOperation GetCurrent(int slot, int index)"); 739WriteLine("=> slot switch"); 750WriteLine($"index < {prop.Name}.Length"); 752WriteLine($"=> {prop.Name}[index],"); 757WriteLine($"{prop.Name} != null"); 759WriteLine($"=> {prop.Name},"); 764WriteLine("_ => throw ExceptionUtilities.UnexpectedValue((slot, index)),"); 766WriteLine("};"); 772WriteLine("internal override (bool hasNext, int nextSlot, int nextIndex) MoveNext(int previousSlot, int previousIndex)"); 774WriteLine("switch (previousSlot)"); 801WriteLine($"case {previousSlot}:"); 807WriteLine($"if (!{prop.Name}.IsEmpty) return (true, {slot}, 0);"); 811WriteLine($"if ({prop.Name} != null) return (true, {slot}, 0);"); 814WriteLine($"else goto case {slot};"); 820WriteLine($"case {slot} when previousIndex + 1 < {prop.Name}.Length:"); 822WriteLine($"return (true, {slot}, previousIndex + 1);"); 832WriteLine($"case {lastSlot}:"); 833WriteLine($"case {slot}:"); 835WriteLine($"return (false, {slot}, 0);"); 838WriteLine("default:"); 840WriteLine("throw ExceptionUtilities.UnexpectedValue((previousSlot, previousIndex));"); 848WriteLine("internal override (bool hasNext, int nextSlot, int nextIndex) MoveNextReversed(int previousSlot, int previousIndex)"); 850WriteLine("switch (previousSlot)"); 877WriteLine($"case {previousSlot}:"); 883WriteLine($"if (!{prop.Name}.IsEmpty) return (true, {slot}, {prop.Name}.Length - 1);"); 887WriteLine($"if ({prop.Name} != null) return (true, {slot}, 0);"); 890WriteLine($"else goto case {slot};"); 896WriteLine($"case {slot} when previousIndex > 0:"); 898WriteLine($"return (true, {slot}, previousIndex - 1);"); 907WriteLine("case 0:"); 908WriteLine("case -1:"); 910WriteLine($"return (false, -1, 0);"); 913WriteLine("default:"); 915WriteLine("throw ExceptionUtilities.UnexpectedValue((previousSlot, previousIndex));"); 931WriteLine("#region Cloner"); 933WriteLine(@"internal sealed partial class OperationCloner : OperationVisitor<object?, IOperation>"); 936WriteLine("private static readonly OperationCloner s_instance = new OperationCloner();"); 937WriteLine("/// <summary>Deep clone given IOperation</summary>"); 938WriteLine("public static T CloneOperation<T>(T operation) where T : IOperation => s_instance.Visit(operation);"); 939WriteLine("public OperationCloner() { }"); 940WriteLine(@"[return: NotNullIfNotNull(""node"")]"); 941WriteLine("private T? Visit<T>(T? node) where T : IOperation? => (T?)Visit(node, argument: null);"); 942WriteLine("public override IOperation DefaultVisit(IOperation operation, object? argument) => throw ExceptionUtilities.Unreachable();"); 943WriteLine("private ImmutableArray<T> VisitArray<T>(ImmutableArray<T> nodes) where T : IOperation => nodes.SelectAsArray((n, @this) => @this.Visit(n), this)!;"); 944WriteLine("private ImmutableArray<(ISymbol, T)> VisitArray<T>(ImmutableArray<(ISymbol, T)> nodes) where T : IOperation => nodes.SelectAsArray((n, @this) => (n.Item1, @this.Visit(n.Item2)), this)!;"); 956WriteLine($"{(node.IsInternal ? "internal" : "public")} override IOperation {GetVisitorName(node)}({node.Name} operation, object? argument)"); 958WriteLine($"var {internalName} = ({nameMinusI})operation;"); 1006WriteLine($"{internalName}.IsImplicit);"); 1012WriteLine("#endregion"); 1013WriteLine(""); 1018WriteLine("#region Visitors"); 1019WriteLine(@"public abstract partial class OperationVisitor 1035WriteLine($"{accessibility} virtual void {GetVisitorName(type)}({type.Name} operation) => DefaultVisit(operation);"); 1040WriteLine(@"public abstract partial class OperationVisitor<TArgument, TResult> 1054WriteLine($"{accessibility} virtual TResult? {GetVisitorName(type)}({type.Name} operation, TArgument argument) => DefaultVisit(operation, argument);"); 1058WriteLine("#endregion"); 1065WriteLine($"[Obsolete({tag.Message}, error: {tag.ErrorText})]");