DebuggableAttribute.cs

using System.Runtime.InteropServices;

namespace System.Diagnostics
{
    [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Module, AllowMultiple = false)]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public sealed class DebuggableAttribute : Attribute
    {
        [Flags]
        [ComVisible(true)]
        [__DynamicallyInvokable]
        public enum DebuggingModes
        {
            [__DynamicallyInvokable]
            None = 0x0,
            [__DynamicallyInvokable]
            Default = 0x1,
            [__DynamicallyInvokable]
            DisableOptimizations = 0x100,
            [__DynamicallyInvokable]
            IgnoreSymbolStoreSequencePoints = 0x2,
            [__DynamicallyInvokable]
            EnableEditAndContinue = 0x4
        }

        private DebuggingModes m_debuggingModes;

        public bool IsJITTrackingEnabled => (m_debuggingModes & DebuggingModes.Default) != DebuggingModes.None;

        public bool IsJITOptimizerDisabled => (m_debuggingModes & DebuggingModes.DisableOptimizations) != DebuggingModes.None;

        public DebuggingModes DebuggingFlags => m_debuggingModes;

        public DebuggableAttribute(bool isJITTrackingEnabled, bool isJITOptimizerDisabled)
        {
            m_debuggingModes = DebuggingModes.None;
            if (isJITTrackingEnabled)
            {
                m_debuggingModes |= DebuggingModes.Default;
            }
            if (isJITOptimizerDisabled)
            {
                m_debuggingModes |= DebuggingModes.DisableOptimizations;
            }
        }

        [__DynamicallyInvokable]
        public DebuggableAttribute(DebuggingModes modes)
        {
            m_debuggingModes = modes;
        }
    }
}