98 lines
3.1 KiB
C#
98 lines
3.1 KiB
C#
#region License
|
|
// Copyright (c) 2007 James Newton-King
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person
|
|
// obtaining a copy of this software and associated documentation
|
|
// files (the "Software"), to deal in the Software without
|
|
// restriction, including without limitation the rights to use,
|
|
// copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following
|
|
// conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
// OTHER DEALINGS IN THE SOFTWARE.
|
|
#endregion
|
|
|
|
#if HAVE_REFLECTION_EMIT
|
|
using System;
|
|
using System.Reflection.Emit;
|
|
using System.Reflection;
|
|
|
|
namespace Newtonsoft.Json.Utilities
|
|
{
|
|
internal static class ILGeneratorExtensions
|
|
{
|
|
public static void PushInstance(this ILGenerator generator, Type type)
|
|
{
|
|
generator.Emit(OpCodes.Ldarg_0);
|
|
if (type.IsValueType())
|
|
{
|
|
generator.Emit(OpCodes.Unbox, type);
|
|
}
|
|
else
|
|
{
|
|
generator.Emit(OpCodes.Castclass, type);
|
|
}
|
|
}
|
|
|
|
public static void PushArrayInstance(this ILGenerator generator, int argsIndex, int arrayIndex)
|
|
{
|
|
generator.Emit(OpCodes.Ldarg, argsIndex);
|
|
generator.Emit(OpCodes.Ldc_I4, arrayIndex);
|
|
generator.Emit(OpCodes.Ldelem_Ref);
|
|
}
|
|
|
|
public static void BoxIfNeeded(this ILGenerator generator, Type type)
|
|
{
|
|
if (type.IsValueType())
|
|
{
|
|
generator.Emit(OpCodes.Box, type);
|
|
}
|
|
else
|
|
{
|
|
generator.Emit(OpCodes.Castclass, type);
|
|
}
|
|
}
|
|
|
|
public static void UnboxIfNeeded(this ILGenerator generator, Type type)
|
|
{
|
|
if (type.IsValueType())
|
|
{
|
|
generator.Emit(OpCodes.Unbox_Any, type);
|
|
}
|
|
else
|
|
{
|
|
generator.Emit(OpCodes.Castclass, type);
|
|
}
|
|
}
|
|
|
|
public static void CallMethod(this ILGenerator generator, MethodInfo methodInfo)
|
|
{
|
|
if (methodInfo.IsFinal || !methodInfo.IsVirtual)
|
|
{
|
|
generator.Emit(OpCodes.Call, methodInfo);
|
|
}
|
|
else
|
|
{
|
|
generator.Emit(OpCodes.Callvirt, methodInfo);
|
|
}
|
|
}
|
|
|
|
public static void Return(this ILGenerator generator)
|
|
{
|
|
generator.Emit(OpCodes.Ret);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif |