File: Debugger\DebuggerExtensions.cs
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Project: src\src\Shared\Shared.csproj (Shared)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Throw = Microsoft.Shared.Diagnostics.Throw;
 
#pragma warning disable CA1716
namespace Microsoft.Shared.Diagnostics;
#pragma warning restore CA1716
 
/// <summary>
/// Adds debugger to DI container.
/// </summary>
#if !SHARED_PROJECT
[System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverage]
#endif
 
internal static class DebuggerExtensions
{
    /// <summary>
    /// Registers system debugger as <see cref="IDebuggerState"/> interface.
    /// </summary>
    /// <param name="services">Service collection to register system debugger in.</param>
    /// <returns>Passed instance of service collection for further configuration.</returns>
    public static IServiceCollection AddSystemDebuggerState(this IServiceCollection services)
    {
        _ = Throw.IfNull(services);
 
        services.TryAddSingleton<IDebuggerState>(DebuggerState.System);
 
        return services;
    }
 
    /// <summary>
    /// Registers system debugger as <see cref="IDebuggerState"/> interface.
    /// </summary>
    /// <param name="services">Service collection to register system debugger in.</param>
    /// <returns>Passed instance of service collection for further configuration.</returns>
    public static IServiceCollection AddAttachedDebuggerState(this IServiceCollection services)
    {
        _ = Throw.IfNull(services);
 
        services.TryAddSingleton<IDebuggerState>(DebuggerState.Attached);
 
        return services;
    }
 
    /// <summary>
    /// Registers system debugger as <see cref="IDebuggerState"/> interface.
    /// </summary>
    /// <param name="services">Service collection to register system debugger in.</param>
    /// <returns>Passed instance of service collection for further configuration.</returns>
    public static IServiceCollection AddDetachedDebuggerState(this IServiceCollection services)
    {
        _ = Throw.IfNull(services);
 
        services.TryAddSingleton<IDebuggerState>(DebuggerState.Detached);
 
        return services;
    }
}