Debugger.cs

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using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
 
namespace System.Diagnostics;
 
public static class Debugger
{
    private sealed class CrossThreadDependencyNotification : ICustomDebuggerNotification
    {
    }
 
    public static readonly string? DefaultCategory;
 
    public static extern bool IsAttached
    {
        [MethodImpl(MethodImplOptions.InternalCall)]
        get;
    }
 
    [MethodImpl(MethodImplOptions.NoInlining)]
    public static void Break()
    {
        BreakInternal();
    }
 
    [MethodImpl(MethodImplOptions.InternalCall)]
    private static extern void BreakInternal();
 
    public static bool Launch()
    {
        if (!IsAttached)
        {
            return LaunchInternal();
        }
        return true;
    }
 
    [MethodImpl(MethodImplOptions.NoInlining)]
    private static void NotifyOfCrossThreadDependencySlow()
    {
        CustomNotification(new CrossThreadDependencyNotification());
    }
 
    public static void NotifyOfCrossThreadDependency()
    {
        if (IsAttached)
        {
            NotifyOfCrossThreadDependencySlow();
        }
    }
 
    [DllImport("QCall", CharSet = CharSet.Unicode)]
    private static extern bool LaunchInternal();
 
    public static void Log(int level, string? category, string? message)
    {
        LogInternal(level, category, message);
    }
 
    [DllImport("QCall", CharSet = CharSet.Unicode)]
    private static extern void LogInternal(int level, string category, string message);
 
    [MethodImpl(MethodImplOptions.InternalCall)]
    public static extern bool IsLogging();
 
    [MethodImpl(MethodImplOptions.InternalCall)]
    private static extern void CustomNotification(ICustomDebuggerNotification data);
}