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Move the working BinaryFormatter implementation to a NuGet package #103255

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merged 12 commits into from
Jun 17, 2024
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Move the working BinaryFormatter implementation to a NuGet package #103255

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c508a3c
Move the working BinaryFormatter implementation to a NuGet package
bartonjs May 7, 2024
f3b7ba8
Respond to feedback
bartonjs Jun 12, 2024
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Apply suggestions from code review
bartonjs Jun 12, 2024
ad7974f
Make the ILLink substitution conditional
bartonjs Jun 12, 2024
d69488f
Teach PlatformDetection.IsBinaryFormatterSupported about asmver 8.1
bartonjs Jun 13, 2024
eaaa177
Disable System.Resources.Extensions.BinaryFormat.Tests
bartonjs Jun 13, 2024
72c9197
Move StartDeserialization wrapper to SerializationGuard.cs
bartonjs Jun 13, 2024
9c68be5
Fix more tests that used BinaryFormatter without checking support
bartonjs Jun 14, 2024
a5c760d
Fix nuspec generation
bartonjs Jun 14, 2024
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Update src/libraries/Common/tests/TestUtilities/System/PlatformDetect…
bartonjs Jun 17, 2024
abdae6f
Remove call to SerializationGuard
bartonjs Jun 17, 2024
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Merge branch 'bf_package' of github.com:/bartonjs/runtime into bf_pac…
bartonjs Jun 17, 2024
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14 changes: 14 additions & 0 deletions src/libraries/System.Runtime.Serialization.Formatters/Directory.Build.targets
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@@ -0,0 +1,14 @@
<Project>
<Import Project="..\Directory.Build.targets" />
<PropertyGroup>

<!--
The real implementation of this library is built for NetCoreAppMinimum,
the NetCoreAppCurrent build has a non-functional copy of BinaryFormatter.
The NetCoreAppCurrent build is only included in the shared runtime,
and should always lose to the package for unification; so it is pinned
at an assembly version that will always lose.
-->
<AssemblyVersion Condition="'$(TargetFramework)' == '$(NetCoreAppCurrent)'">8.1.0.0</AssemblyVersion>
</PropertyGroup>
</Project>
4 changes: 2 additions & 2 deletions ...ystem.Runtime.Serialization.Formatters/ref/System.Runtime.Serialization.Formatters.csproj
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@@ -1,12 +1,12 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
<TargetFrameworks>$(NetCoreAppMinimum);$(NetCoreAppCurrent)</TargetFrameworks>
</PropertyGroup>
<ItemGroup>
<Compile Include="System.Runtime.Serialization.Formatters.cs" />
<Compile Include="System.Runtime.Serialization.Formatters.Forwards.cs" />
</ItemGroup>
<ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == '$(NetCoreAppCurrent)'">
<ProjectReference Include="..\..\System.Collections.NonGeneric\ref\System.Collections.NonGeneric.csproj" />
<ProjectReference Include="..\..\System.Runtime\ref\System.Runtime.csproj" />
</ItemGroup>
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0 ...ILLink/ILLink.Substitutions.NonMobile.xml → ...tters/src/ILLink/ILLink.Substitutions.xml
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17 changes: 17 additions & 0 deletions src/libraries/System.Runtime.Serialization.Formatters/src/PACKAGE.md
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@@ -0,0 +1,17 @@
## About

Provides the legacy BinaryFormatter class for workloads which still require it.

## Main Types

The main types provided by this library are:

* `System.Runtime.Serialization.Formatters.Binary.BinaryFormatter`

## Additional Documentation

* [Obsoletion Notice](https://aka.ms/binaryformatter)

## Feedback & Contributing

System.Runtime.Serialization.Formatters is released as open source under the [MIT license](https://licenses.nuget.org/MIT). Bug reports are welcome at [the GitHub repository](https://github.com/dotnet/runtime). This package is considered legacy, and we only consider low-risk, high-impact fixes that are necessary to maintain functionality.
3 changes: 3 additions & 0 deletions src/libraries/System.Runtime.Serialization.Formatters/src/Resources/Strings.resx
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Expand Up @@ -252,4 +252,7 @@
<data name="BinaryFormatter_SerializationNotSupportedOnThisPlatform" xml:space="preserve">
<value>BinaryFormatter serialization and deserialization are not supported on this platform. See https://aka.ms/binaryformatter for more information.</value>
</data>
<data name="BinaryFormatter_Removed" xml:space="preserve">
<value>BinaryFormatter serialization and deserialization have been removed. See https://aka.ms/binaryformatter for more information.</value>
</data>
</root>
60 changes: 32 additions & 28 deletions ...ystem.Runtime.Serialization.Formatters/src/System.Runtime.Serialization.Formatters.csproj
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@@ -1,20 +1,24 @@
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppCurrent)-browser;$(NetCoreAppCurrent)-ios;$(NetCoreAppCurrent)-tvos;$(NetCoreAppCurrent)-android</TargetFrameworks>
<TargetFrameworks>$(NetCoreAppCurrent);$(NetCoreAppMinimum)</TargetFrameworks>
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Why do we need to build this for .NET 8?

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It's the best/only way I could find for having two builds for the DLL, one where BF works (net8/NuGet) and one where it doesn't (net9/shared runtime).

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Where are the problems with building the non-working inbox version via independent project?

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Hm. The original plan was to typeforward BinaryFormatter out into a new library and do the package trick there (which would still have required making two copies), but it turns out that System.Runtime.Serialization.Formatters.dll is itself basically the minimum closure of BinaryFormatter.

It sounds like your suggestion is to sort of do that again, making something like

src/libraries/System.Runtime.Serialization.Formatters/src/  :  IsPackable, net9
src/libraries/System.Runtime.Serialization.Formatters.Inbox/src/ : !IsPackable, net9, also claim to be System.Runtime.Serialization.Formatters.dll, <Compile Include=../../System.Runtime.Serialization.Formatters/src/AllTheThingsThatArentBinaryFormatter />

I don't know how well our build system would like that. And since the preview snap date is Tuesday, I don't know that I have the time to find out before then. We could explore it after.

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@jkotas jkotas Jun 14, 2024 •
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Yes, something like that. The current scheme where the build for NetCoreAppMinimum is meant for NetCoreAppCurrent is not easy to understand. It is fine to explore something better later. It is possible that what you have put together is the best out of all bad solutions.

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@ViktorHofer ViktorHofer Jun 14, 2024 •
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NuGet limits us here. It doesn't support specifying multiple TFMs that map to the same TargetFrameworkMoniker+TargetPlatformMoniker tuple in a project. There's a proposal up to fix that eventually but until then, separate projects need to be used in such scenarios.

We have multiple source generator project files per rdifferent roslyn targeting pack version because of the exact same reason.

I would agree with Jan that the current solution might be good enough for what's proposed.

<UseCompilerGeneratedDocXmlFile>false</UseCompilerGeneratedDocXmlFile>
<IsPackable>true</IsPackable>
<!-- TODO: Enable validation after the .NET 9 package release -->
<EnablePackageValidation>false</EnablePackageValidation>
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</PropertyGroup>

<!-- DesignTimeBuild requires all the TargetFramework Derived Properties to not be present in the first property group. -->
<PropertyGroup>
<TargetPlatformIdentifier Condition="$(TargetFramework.Contains('-'))">$(TargetFramework.SubString($([MSBuild]::Add($(TargetFramework.IndexOf('-')), 1))))</TargetPlatformIdentifier>
<!-- TargetsMobile: When we replace implementations with PNSE, need to suppress some "field is never assigned to" warnings. -->
<NoWarn Condition="'$(TargetPlatformIdentifier)' != ''">$(NoWarn);CS0649</NoWarn>
<NoWarn>$(NoWarn);CA1822;IDE0060</NoWarn>

<FunctioningBinaryFormatter Condition="'$(TargetFramework)' == '$(NetCoreAppMinimum)'">true</FunctioningBinaryFormatter>
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<IncludeBuildOutput Condition="'$(FunctioningBinaryFormatter)' != 'true'">false</IncludeBuildOutput>
<SuppressDependenciesWhenPacking Condition="'$(FunctioningBinaryFormatter)' != 'true'">true</SuppressDependenciesWhenPacking>
</PropertyGroup>

<ItemGroup>
<ILLinkSubstitutionsXmls Condition="'$(TargetPlatformIdentifier)' == ''" Include="$(ILLinkDirectory)ILLink.Substitutions.NonMobile.xml" />
<ILLinkSubstitutionsXmls Include="$(ILLinkDirectory)ILLink.Substitutions.xml" />
</ItemGroup>

<ItemGroup>
Expand All @@ -37,55 +41,55 @@
<Compile Include="System\Runtime\Serialization\ValueTypeFixupInfo.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\CommonEnums.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\IFieldInfo.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.cs" />
<Compile Include="$(CommonPath)System\Obsoletions.cs"
Link="Common\System\Obsoletions.cs" />
<Compile Include="$(CoreLibSharedDir)System\Collections\HashHelpers.cs"
Link="Common\System\Collections\HashHelpers.cs" />
</ItemGroup>

<ItemGroup Condition="'$(FunctioningBinaryFormatter)' == 'true'">
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryArray.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryAssembly.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryAssemblyInfo.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryTypeConverter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryCrossAppDomainAssembly.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryCrossAppDomainMap.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryCrossAppDomainString.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryEnums.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.Core.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatterEventSource.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatterWriter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObject.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectInfo.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectReader.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectString.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectWithMap.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectWithMapTyped.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectWriter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryParser.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryTypeConverter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryUtilClasses.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\Converter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\IStreamable.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\MemberPrimitiveTyped.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\MemberPrimitiveUntyped.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\MemberReference.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\MessageEnd.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\ObjectMap.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\ObjectNull.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\SerializationHeaderRecord.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\ObjectProgress.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\Converter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryEnums.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatterEventSource.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatterWriter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectInfo.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectReader.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryObjectWriter.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryParser.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryUtilClasses.cs" />
<Compile Include="$(CommonPath)System\Obsoletions.cs"
Link="Common\System\Obsoletions.cs" />
<Compile Include="$(CoreLibSharedDir)System\Collections\HashHelpers.cs"
Link="Common\System\Collections\HashHelpers.cs" />
</ItemGroup>

<ItemGroup Condition="'$(TargetPlatformIdentifier)' == ''">
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.Core.cs" />
<Compile Include="System\Runtime\Serialization\Formatters\Binary\SerializationHeaderRecord.cs" />
<Compile Include="System\Runtime\Serialization\LocalAppContextSwitches.cs" />
<Compile Include="$(CommonPath)System\LocalAppContextSwitches.Common.cs">
<Link>Common\System\LocalAppContextSwitches.Common.cs</Link>
</Compile>
</ItemGroup>

<ItemGroup Condition="'$(TargetPlatformIdentifier)' != ''">
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.PlatformNotSupported.cs" />
<ItemGroup Condition="'$(FunctioningBinaryFormatter)' != 'true'">
<Compile Include="System\Runtime\Serialization\Formatters\Binary\BinaryFormatter.Removed.cs" />
</ItemGroup>

<ItemGroup>
<ItemGroup Condition="'$(TargetFramework)' == '$(NetCoreAppCurrent)'">
<ProjectReference Include="$(CoreLibProject)" />
<ProjectReference Include="$(LibrariesProjectRoot)System.Runtime\src\System.Runtime.csproj" />
<ProjectReference Include="$(LibrariesProjectRoot)System.Collections\src\System.Collections.csproj" />
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24 changes: 24 additions & 0 deletions ...ion.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.Core.cs
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@@ -1,17 +1,34 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;
using System.IO;

namespace System.Runtime.Serialization.Formatters.Binary
{
public sealed partial class BinaryFormatter : IFormatter
{
private static readonly ConcurrentDictionary<Type, TypeInformation> s_typeNameCache = new ConcurrentDictionary<Type, TypeInformation>();
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private static readonly bool s_disallowedByPlatform =
OperatingSystem.IsAndroid() ||
OperatingSystem.IsBrowser() ||
OperatingSystem.IsIOS() ||
OperatingSystem.IsMacCatalyst() ||
OperatingSystem.IsTvOS();

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internal object[]? _crossAppDomainArray;

[RequiresDynamicCode(IFormatter.RequiresDynamicCodeMessage)]
[RequiresUnreferencedCode(IFormatter.RequiresUnreferencedCodeMessage)]
public object Deserialize(Stream serializationStream)
{
if (s_disallowedByPlatform)
{
throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationNotSupportedOnThisPlatform);
}

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// don't refactor the 'throw' into a helper method; trimming tools will have difficulty trimming
if (!LocalAppContextSwitches.BinaryFormatterEnabled)
{
Expand Down Expand Up @@ -88,5 +105,12 @@ public void Serialize(Stream serializationStream, object graph)
BinaryFormatterEventSource.Log.SerializationStop();
}
}

internal static TypeInformation GetTypeInformation(Type type) =>
s_typeNameCache.GetOrAdd(type, t =>
{
string assemblyName = FormatterServices.GetClrAssemblyName(t, out bool hasTypeForwardedFrom);
return new TypeInformation(FormatterServices.GetClrTypeFullName(t), assemblyName, hasTypeForwardedFrom);
});
}
}
4 changes: 2 additions & 2 deletions ...y/BinaryFormatter.PlatformNotSupported.cs → ...matters/Binary/BinaryFormatter.Removed.cs
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Expand Up @@ -11,10 +11,10 @@ public sealed partial class BinaryFormatter : IFormatter
[RequiresDynamicCode(IFormatter.RequiresDynamicCodeMessage)]
[RequiresUnreferencedCode(IFormatter.RequiresUnreferencedCodeMessage)]
public object Deserialize(Stream serializationStream)
=> throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationNotSupportedOnThisPlatform);
=> throw new PlatformNotSupportedException(SR.BinaryFormatter_Removed);

[RequiresUnreferencedCode(IFormatter.RequiresUnreferencedCodeMessage)]
public void Serialize(Stream serializationStream, object graph)
=> throw new PlatformNotSupportedException(SR.BinaryFormatter_SerializationNotSupportedOnThisPlatform);
=> throw new PlatformNotSupportedException(SR.BinaryFormatter_Removed);
}
}
12 changes: 0 additions & 12 deletions ...lization.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryFormatter.cs
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@@ -1,22 +1,17 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections.Concurrent;

namespace System.Runtime.Serialization.Formatters.Binary
{
[Obsolete(Obsoletions.BinaryFormatterMessage, DiagnosticId = Obsoletions.BinaryFormatterDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
public sealed partial class BinaryFormatter : IFormatter
{
private static readonly ConcurrentDictionary<Type, TypeInformation> s_typeNameCache = new ConcurrentDictionary<Type, TypeInformation>();

internal ISurrogateSelector? _surrogates;
internal StreamingContext _context;
internal SerializationBinder? _binder;
internal FormatterTypeStyle _typeFormat = FormatterTypeStyle.TypesAlways; // For version resiliency, always put out types
internal FormatterAssemblyStyle _assemblyFormat = FormatterAssemblyStyle.Simple;
internal TypeFilterLevel _securityLevel = TypeFilterLevel.Full;
internal object[]? _crossAppDomainArray;

public FormatterTypeStyle TypeFormat { get { return _typeFormat; } set { _typeFormat = value; } }
public FormatterAssemblyStyle AssemblyFormat { get { return _assemblyFormat; } set { _assemblyFormat = value; } }
Expand All @@ -34,12 +29,5 @@ public BinaryFormatter(ISurrogateSelector? selector, StreamingContext context)
_surrogates = selector;
_context = context;
}

internal static TypeInformation GetTypeInformation(Type type) =>
s_typeNameCache.GetOrAdd(type, t =>
{
string assemblyName = FormatterServices.GetClrAssemblyName(t, out bool hasTypeForwardedFrom);
return new TypeInformation(FormatterServices.GetClrTypeFullName(t), assemblyName, hasTypeForwardedFrom);
});
}
}
17 changes: 16 additions & 1 deletion ...ation.Formatters/src/System/Runtime/Serialization/Formatters/Binary/BinaryObjectReader.cs
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Expand Up @@ -75,6 +75,21 @@ internal ObjectReader(Stream stream, ISurrogateSelector? selector, StreamingCont
_formatterEnums = formatterEnums;
}

private static IDisposable? StartDeserialization()
{
MethodInfo? targetMethod = typeof(SerializationInfo).GetMethod(
"StartDeserialization",
BindingFlags.Public | BindingFlags.Static,
Type.EmptyTypes);
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Worth caching (or caching a delegate created to it)?

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It would be even better to use UnsafeAccessor - no reflection, no delegates, no caching. UnsafeAccessor
shipped in 8.0 that is the current NetCoreAppMinimum.

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StartDeserialization returns a public type that isn't in the reference assembly; it looks like UnsafeAccessor requires an exact signature match. So, unless there's an unsafe typeref I don't think we can use it here.

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CreateDelegate is similarly not an option, it refuses to loose-bind the return type (struct).

Slow invoke works, or we can add another method in corelib that does the boxing to IDisposable there so it can be bound with UnsafeAccessor. I'm guessing we don't like that option, so I'm guessing we're sticking with slow-invoke. But either way I've moved this to a different type, and am at least saving the MethodInfo.

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Should we rather get rid of this (it would be my preference), or turn it into a public API?

The non-public dependencies of OOB nuget packages like this one are always factory for problems.


if (targetMethod is null)
{
throw new InvalidOperationException();
}

return (IDisposable?)targetMethod.Invoke(null, null);
}

[RequiresDynamicCode(ObjectReaderUnreferencedCodeMessage)]
[RequiresUnreferencedCode("Types might be removed")]
internal object Deserialize(BinaryParser serParser)
Expand All @@ -87,7 +102,7 @@ internal object Deserialize(BinaryParser serParser)

_isSimpleAssembly = (_formatterEnums._assemblyFormat == FormatterAssemblyStyle.Simple);

using (DeserializationToken token = SerializationInfo.StartDeserialization())
using (StartDeserialization())
{
if (_fullDeserialization)
{
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2 changes: 1 addition & 1 deletion ...ibraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterEventSourceTests.cs
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Expand Up @@ -11,7 +11,7 @@

namespace System.Runtime.Serialization.Formatters.Tests
{
[ConditionalClass(typeof(PlatformDetection), nameof(PlatformDetection.IsBinaryFormatterSupported))]
[ConditionalClass(typeof(TestConfiguration), nameof(TestConfiguration.IsBinaryFormatterEnabled))]
public static class BinaryFormatterEventSourceTests
{
private const string BinaryFormatterEventSourceName = "System.Runtime.Serialization.Formatters.Binary.BinaryFormatterEventSource";
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2 changes: 1 addition & 1 deletion src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTests.cs
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Expand Up @@ -18,7 +18,7 @@

namespace System.Runtime.Serialization.Formatters.Tests
{
[ConditionalClass(typeof(PlatformDetection), nameof(PlatformDetection.IsBinaryFormatterSupported))]
[ConditionalClass(typeof(TestConfiguration), nameof(TestConfiguration.IsBinaryFormatterEnabled))]
public partial class BinaryFormatterTests : FileCleanupTestBase
{
// On 32-bit we can't test these high inputs as they cause OutOfMemoryExceptions.
Expand Down
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