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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Runtime.Serialization;
using System;
using System.Diagnostics;
namespace Microsoft.CodeAnalysis.Contracts.EditAndContinue;
/// <summary>
/// Active instruction identifier.
/// It has the information necessary to track an active instruction within the debug session.
/// </summary>
/// <remarks>
/// Creates an ActiveInstructionId.
/// </remarks>
/// <param name="method">Method which the instruction is scoped to.</param>
/// <param name="ilOffset">IL offset for the instruction.</param>
[DataContract]
[DebuggerDisplay("{GetDebuggerDisplay(),nq}")]
internal readonly struct ManagedInstructionId(
ManagedMethodId method,
int ilOffset) : IEquatable<ManagedInstructionId>
{
/// <summary>
/// Method which the instruction is scoped to.
/// </summary>
[DataMember(Name = "method")]
public ManagedMethodId Method { get; } = method;
/// <summary>
/// The IL offset for the instruction.
/// </summary>
[DataMember(Name = "ilOffset")]
public int ILOffset { get; } = ilOffset;
public bool Equals(ManagedInstructionId other)
{
return Method.Equals(other.Method) && ILOffset == other.ILOffset;
}
public override bool Equals(object? obj) => obj is ManagedInstructionId instr && Equals(instr);
public override int GetHashCode()
{
return Method.GetHashCode() ^ ILOffset;
}
public static bool operator ==(ManagedInstructionId left, ManagedInstructionId right) => left.Equals(right);
public static bool operator !=(ManagedInstructionId left, ManagedInstructionId right) => !(left == right);
internal string GetDebuggerDisplay() => $"{Method.GetDebuggerDisplay()} IL_{ILOffset:X4}";
}
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