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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.
namespace System.Runtime.CompilerServices {
using System;
using System.Reflection;
// This Enum matchs the miImpl flags defined in corhdr.h. It is used to specify
// certain method properties.
[Serializable]
[Flags]
public enum MethodImplOptions
{
Unmanaged = System.Reflection.MethodImplAttributes.Unmanaged,
ForwardRef = System.Reflection.MethodImplAttributes.ForwardRef,
PreserveSig = System.Reflection.MethodImplAttributes.PreserveSig,
InternalCall = System.Reflection.MethodImplAttributes.InternalCall,
Synchronized = System.Reflection.MethodImplAttributes.Synchronized,
NoInlining = System.Reflection.MethodImplAttributes.NoInlining,
AggressiveInlining = System.Reflection.MethodImplAttributes.AggressiveInlining,
NoOptimization = System.Reflection.MethodImplAttributes.NoOptimization,
// **** If you add something, update internal MethodImplAttribute(MethodImplAttributes methodImplAttributes)! ****
}
[Serializable]
public enum MethodCodeType
{
IL = System.Reflection.MethodImplAttributes.IL,
Native = System.Reflection.MethodImplAttributes.Native,
/// <internalonly/>
OPTIL = System.Reflection.MethodImplAttributes.OPTIL,
Runtime = System.Reflection.MethodImplAttributes.Runtime
}
// Custom attribute to specify additional method properties.
[Serializable]
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor, Inherited = false)]
sealed public class MethodImplAttribute : Attribute
{
internal MethodImplOptions _val;
public MethodCodeType MethodCodeType;
internal MethodImplAttribute(MethodImplAttributes methodImplAttributes)
{
MethodImplOptions all =
MethodImplOptions.Unmanaged | MethodImplOptions.ForwardRef | MethodImplOptions.PreserveSig |
MethodImplOptions.InternalCall | MethodImplOptions.Synchronized |
MethodImplOptions.NoInlining | MethodImplOptions.AggressiveInlining |
MethodImplOptions.NoOptimization;
_val = ((MethodImplOptions)methodImplAttributes) & all;
}
public MethodImplAttribute(MethodImplOptions methodImplOptions)
{
_val = methodImplOptions;
}
public MethodImplAttribute(short value)
{
_val = (MethodImplOptions)value;
}
public MethodImplAttribute()
{
}
public MethodImplOptions Value { get {return _val;} }
}
}
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