// 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.

namespace Microsoft.CodeAnalysis.Contracts.EditAndContinue;

/// <summary>
/// Availability status for applying changes under a session.
/// </summary>
/// <remarks>
/// Do not change the value for any of the preexisting status, as this is the value 
/// used when reporting telemetry.
/// </remarks>
internal enum ManagedHotReloadAvailabilityStatus
{
    /// <summary>
    /// Applying changes is available to the current session.
    /// </summary>
    Available = 0,

    /// <summary>
    /// Edit and Continue not supported due to interop debugging.
    /// </summary>
    Interop = 1,

    /// <summary>
    /// Unable to edit code running in SQL server.
    /// </summary>
    SqlClr = 2,

    /// <summary>
    /// Edit and Continue not supported in minidump debugging.
    /// </summary>
    Minidump = 3,

    /// <summary>
    /// Edit and Continue not supported since debugger was attached to a process that
    /// does not support EnC on attach.
    /// </summary>
    Attach = 4,

    /// <summary>
    /// Edit and Continue not supported if the assembly has not been loaded.
    /// </summary>
    ModuleNotLoaded = 5,

    /// <summary>
    /// Edit and Continue not supported if the assembly that has been modified during
    /// debugging is reloaded.
    /// </summary>
    ModuleReloaded = 6,

    /// <summary>
    /// Edit and Continue not supported if the source code on disk does not match the
    /// code running in the process.
    /// </summary>
    NotBuilt = 8,

    /// <summary>
    /// Edit and Continue not supported for the current engine.
    /// </summary>
    UnsupportedEngine = 9,

    /// <summary>
    /// Edit and Continue in a 64-bit process requires .NET Framework version 4.5.1 or
    /// higher.
    /// </summary>
    NotSupportedForClr64Version = 10,

    /// <summary>
    /// Edit and Continue not supported on the current module. This is a fallback
    /// scenario in case we fail to determine the exact reason the module does not
    /// support EnC.
    /// </summary>
    NotAllowedForModule = 11,

    /// <summary>
    /// Edit and Continue not supported if code was optimized.
    /// </summary>
    Optimized = 12,

    /// <summary>
    /// Edit and Continue not supported if assembly was loaded as domain-neutral.
    /// </summary>
    DomainNeutralAssembly = 13,

    /// <summary>
    /// Edit and Continue not supported if assembly was loaded through reflection.
    /// </summary>
    ReflectionAssembly = 14,

    /// <summary>
    /// Edit and Continue not supported if IntelliTrace events and call information is
    /// enabled.
    /// </summary>
    IntelliTrace = 15,

    /// <summary>
    /// Edit and Continue not supported on the .NET Runtime the program is running.
    /// </summary>
    NotAllowedForRuntime = 16,

    /// <summary>
    /// Edit and Continue not supported due to an internal error in the debugger.
    /// </summary>
    InternalError = 17,

    /// <summary>
    /// Edit and Continue is unavailable, e.g. no suitable engine providers were found.
    /// </summary>
    Unavailable = 18,

    /// <summary>
    /// Applying changes has been disabled by the client.
    /// If debugging, this means Edit and Continue has been disabled.
    /// If not debugging, this means hot reload has been disabled.
    /// </summary>
    Disabled = 19
};