.NET libraries and tools to reverse-generate C# code from type and member information using reflection
Home Page: https://smdn.jp/works/libs/Smdn.Reflection.ReverseGenerating/
License: MIT License
NullabilityInfoContext.Create does not support parallel call.
Unhandled exception. System.AggregateException: One or more errors occurred. (An item with the same key has already been added. Key: System.Net.WebRequest)
---> System.ArgumentException: An item with the same key has already been added. Key: System.Net.WebRequest
at System.Collections.Generic.Dictionary`2.TryInsert(TKey key, TValue value, InsertionBehavior behavior)
at System.Reflection.NullabilityInfoContext.GetNullableContext(MemberInfo memberInfo)
at System.Reflection.NullabilityInfoContext.GetNullabilityInfo(MemberInfo memberInfo, Type type, IList`1 customAttributes, Int32 index)
at System.Reflection.NullabilityInfoContext.Create(ParameterInfo parameterInfo)
at Smdn.Reflection.ReverseGenerating.CSharpFormatter.FormatTypeName(ParameterInfo p, NullabilityInfoContext nullabilityInfoContext, Boolean typeWithNamespace, Boolean withDeclaringTypeName, Boolean translateLanguagePrimitiveType) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/CSharpFormatter.FormatTypeName.cs:line 142
Attempting to access MethodInfo of a method that has "no implementation" causes a TypeLoadException, and Generator.GenerateXxx fails.
At least, a usage of System.Text.Json.Utf8JsonWriter.DisposeAsync in the .NET Standard 2.1 assembly raises such an exception.
Build a .NET Standard 2.1 assembly with the configuration like below:
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>netstandard2.1</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="System.Text.Json" Version="6.0.*" />
</ItemGroup>
</Project>public interface ITest {
void Test(System.Text.Json.Utf8JsonWriter writer);
}Run list-api with the assembly built above emits the outputs like below:
$ list-api ./bin/Debug/netstandard2.1/lib.dll
fail: Smdn.Reflection.ReverseGenerating.ListApi[1] generator error on member 'ITest.Test' System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation. at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType) at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0() at System.Reflection.RuntimeMethodInfo.FetchReturnParameter() at System.Reflection.RuntimeMethodInfo.get_ReturnParameter() at Smdn.Reflection.ReverseGenerating.Generator.GenerateMethodOrDelegateDeclaration(MethodBase m, Boolean asDelegateDeclaration, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 701 at Smdn.Reflection.ReverseGenerating.Generator.GenerateMethodBaseDeclaration(MethodBase m, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 657 at Smdn.Reflection.ReverseGenerating.Generator.GenerateMemberDeclaration(MemberInfo member, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 274 at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.GenerateTypeContentDeclarations(Int32 nestLevel, Assembly assm, Type t, ISet`1 referencingNamespaces, ApiListWriterOptions options, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 506
Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter+MemberDeclarationException: generator error on member 'ITest.Test'
---> System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation.
at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)
at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0()
at System.Reflection.RuntimeMethodInfo.FetchReturnParameter()
at System.Reflection.RuntimeMethodInfo.get_ReturnParameter()
at Smdn.Reflection.ReverseGenerating.Generator.GenerateMethodOrDelegateDeclaration(MethodBase m, Boolean asDelegateDeclaration, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 701
at Smdn.Reflection.ReverseGenerating.Generator.GenerateMethodBaseDeclaration(MethodBase m, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 657
at Smdn.Reflection.ReverseGenerating.Generator.GenerateMemberDeclaration(MemberInfo member, ISet`1 referencingNamespaces, GeneratorOptions options) in /_/src/Smdn.Reflection.ReverseGenerating/Smdn.Reflection.ReverseGenerating/Generator.cs:line 274
at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.GenerateTypeContentDeclarations(Int32 nestLevel, Assembly assm, Type t, ISet`1 referencingNamespaces, ApiListWriterOptions options, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 506
--- End of inner exception stack trace ---
at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.GenerateTypeContentDeclarations(Int32 nestLevel, Assembly assm, Type t, ISet`1 referencingNamespaces, ApiListWriterOptions options, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 512
at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.GenerateTypeAndMemberDeclarations(Int32 nestLevel, Assembly assm, Type t, ISet`1 referencingNamespaces, ApiListWriterOptions options, Boolean enableNullableAnnotationsOnlyOnTypes, Boolean enableNullableAnnotationsOnlyOnMembers, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 416
at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.GenerateTypeAndMemberDeclarations(Int32 nestLevel, Assembly assm, IEnumerable`1 types, ISet`1 referencingNamespaces, ApiListWriterOptions options, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 316
at Smdn.Reflection.ReverseGenerating.ListApi.ApiListWriter.WriteExportedTypes() in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/ApiListWriter.cs:line 203
at Smdn.Reflection.ReverseGenerating.ListApi.RootCommandImplementation.<>c.<CommandMain>b__20_0(Assembly assm, ValueTuple`4 arg) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi/Smdn.Reflection.ReverseGenerating.ListApi/RootCommandImplementation.cs:line 223
at Smdn.Reflection.ReverseGenerating.ListApi.AssemblyLoader.UsingAssembly[TArg,TResult](AssemblySource assemblySource, TArg arg, Func`3 actionWithLoadedAssembly, WeakReference& context, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/AssemblyLoader.netcore.cs:line 163
at Smdn.Reflection.ReverseGenerating.ListApi.AssemblyLoader.UsingAssemblyCore[TArg,TResult](AssemblySource assemblySource, Boolean loadIntoReflectionOnlyContext, TArg arg, Func`3 actionWithLoadedAssembly, WeakReference& context, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/AssemblyLoader.netcore.cs:line 47
at Smdn.Reflection.ReverseGenerating.ListApi.AssemblyLoader.UsingAssembly[TArg,TResult](FileInfo assemblyFile, Boolean loadIntoReflectionOnlyContext, TArg arg, Func`3 actionWithLoadedAssembly, WeakReference& context, ILogger logger) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi.Core/Smdn.Reflection.ReverseGenerating.ListApi/AssemblyLoader.cs:line 38
at Smdn.Reflection.ReverseGenerating.ListApi.RootCommandImplementation.CommandMain(ParseResult parseResult, IConsole console) in /_/src/Smdn.Reflection.ReverseGenerating.ListApi/Smdn.Reflection.ReverseGenerating.ListApi/RootCommandImplementation.cs:line 186
---> System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation.
at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)
at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0()
at System.Reflection.RuntimeMethodInfo.FetchReturnParameter()
at System.Reflection.RuntimeMethodInfo.get_ReturnParameter()
---> System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation.
at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)
at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0()
at System.Reflection.RuntimeMethodInfo.FetchNonReturnParameters()
at System.Reflection.RuntimeMethodInfo.GetParameters()
---> System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation.
at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)
at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0()
at System.Reflection.RuntimeMethodInfo.get_ReturnType()
at Smdn.Reflection.MethodInfoExtensions.TryGetEventFromAccessorMethod(MethodInfo accessor, Boolean expectAdd, Boolean expectRemove, EventInfo& ev) in /_/src/Smdn.Fundamental.Reflection/Smdn.Reflection/MethodInfoExtensions.cs:line 144
at Smdn.Reflection.MethodInfoExtensions.IsEventAccessorMethod(MethodInfo m) in /_/src/Smdn.Fundamental.Reflection/Smdn.Reflection/MethodInfoExtensions.cs:line 113
---> System.TypeLoadException: Method 'DisposeAsync' in type 'System.Text.Json.Utf8JsonWriter' from assembly 'System.Text.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' does not have an implementation.
at System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType)
at System.Reflection.RuntimeMethodInfo.<get_Signature>g__LazyCreateSignature|24_0()
at System.Reflection.RuntimeMethodInfo.get_ReturnType()
at Smdn.Reflection.MethodInfoExtensions.TryGetEventFromAccessorMethod(MethodInfo accessor, Boolean expectAdd, Boolean expectRemove, EventInfo& ev) in /_/src/Smdn.Fundamental.Reflection/Smdn.Reflection/MethodInfoExtensions.cs:line 144
at Smdn.Reflection.MethodInfoExtensions.TryGetEventFromAccessorMethod(MethodInfo accessor, EventInfo& ev) in /_/src/Smdn.Fundamental.Reflection/Smdn.Reflection/MethodInfoExtensions.cs:line 127
at Smdn.Reflection.MemberInfoExtensions.IsHidingInheritedMember(MemberInfo member, Boolean nonPublic) in /_/src/Smdn.Fundamental.Reflection/Smdn.Reflection/MemberInfoExtensions.cs:line 108
I run list-api on DLL built by project. list-api doesn't find DLLs in other directories, but does for the same directory. I think that is what occurs. I might be doing something wrong?
Here list-api is run on a dotnet 8 DLL I built:
~/dev/space-station-14/artifacts/bin/Robust.Packaging/release$ list-api -o /tmp Robust.Shared.dll
System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
File name: 'System.Runtime, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
at System.ModuleHandle.ResolveMethod(QCallModule module, Int32 methodToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* methodInstArgs, Int32 methodInstCount)
at System.ModuleHandle.ResolveMethodHandleInternal(RuntimeModule module, Int32 methodToken, IntPtr[] typeInstantiationContext, Int32 typeInstCount, IntPtr[] methodInstantiationContext, Int32 methodInstCount)
[...]$ tar xzf dotnet-sdk-8.0.101-linux-arm64.tar.gz -C ~/.dotnet
$ tar xzf dotnet-sdk-6.0.418-linux-arm64.tar.gz -C ~/.dotnet
$ dotnet tool install -g Smdn.Reflection.ReverseGenerating.ListApiRun list-api on a dll in the dotnet SDK:
$ list-api -o /tmp ~/.dotnet/sdk/8.0.101/DotnetTools/dotnet-format/System.CommandLine.dlllist-api should find other DLLs like System.Runtime in the SDK.
$ list-api -o /tmp ~/.dotnet/sdk/8.0.101/DotnetTools/dotnet-format/System.CommandLine.dll
System.IO.FileNotFoundException: Could not load file or assembly 'System.Runtime, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.
The system cannot find the file specified.
File name: 'System.Runtime, Version=7.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
at System.ModuleHandle.ResolveMethod(QCallModule module, Int32 methodToken, IntPtr* typeInstArgs, Int32 typeInstCount, IntPtr* Methods, Int32 methodInstCount)
at System.ModuleHandle.ResolveMethodHandleInternal(RuntimeModule module, Int32 methodToken, IntPtr[] typeInstantiationContext, Int32 typeInstCount, IntPtr[] methodInstantiationContext, Int32 methodInstCount)
at System.ModuleHandle.ResolveMethodHandle(Int32 methodToken, RuntimeTypeHandle[] typeInstantiationContext, RuntimeTypeHandle[] methodInstantiationContext)
at System.RuntimeType.GetMethodBase(RuntimeModule scope, Int32 typeMetadataToken)
at System.Reflection.RuntimeCustomAttributeData..ctor(RuntimeModule scope, MetadataToken caCtorToken, ConstArray& blob)
at System.Reflection.RuntimeCustomAttributeData.GetCustomAttributes(RuntimeModule module, Int32 tkTarget)
at System.Reflection.RuntimeCustomAttributeData.Get
[...]In this case no System.CommandLine.apilist.cs output.
But others give just header:
$ cat Microsoft.Build.Tasks.CodeAnalysis-net6.0.apilist.cs
// Microsoft.Build.Tasks.CodeAnalysis.dll (Microsoft.Build.Tasks.CodeAnalysis)
// Name: Microsoft.Build.Tasks.CodeAnalysis
// AssemblyVersion: 4.8.9.7201
// InformationalVersion: 4.8.0-7.23572.1+7b75981cf3bd520b86ec4ed00ec156c8bc48e4eb
// TargetFramework: .NETCoreApp,Version=v6.0
// Configuration: Release
// Referenced assemblies:
// Microsoft.Build.Framework, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// Microsoft.Build.Tasks.Core, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// Microsoft.Build.Utilities.Core, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Collections, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Console, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Diagnostics.Process, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Diagnostics.StackTrace, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.IO.Pipes, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.IO.Pipes.AccessControl, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Linq, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Memory, Version=6.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
// System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Runtime.InteropServices, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Security.Claims, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Security.Cryptography.Algorithms, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Security.Cryptography.Primitives, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Security.Principal.Windows, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Text.Encoding.Extensions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Text.RegularExpressions, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Threading, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// System.Threading.Thread, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
// Embedded resources:
// Microsoft.CodeAnalysis.BuildTasks.ErrorString.resources (5,247 bytes, Embedded, ContainedInManifestFile)$ tar xzf dotnet-sdk-8.0.101-linux-arm64.tar.gz -C ~/.dotnet
$ tar xzf dotnet-sdk-6.0.418-linux-arm64.tar.gz -C ~/.dotnet
$ dotnet tool install -g Smdn.Reflection.ReverseGenerating.ListApiI installed dotnet SDK 6 in order to get list-api to run.
user@localhost:~$ dotnet --info
.NET SDK:
Version: 8.0.101
Commit: 6eceda187b
Workload version: 8.0.100-manifests.69afb982
Runtime Environment:
OS Name: debian
OS Version: 12
OS Platform: Linux
RID: linux-arm64
Base Path: /home/user/.dotnet/sdk/8.0.101/ .NET workloads installed:
Workload version: 8.0.100-manifests.69afb982 There are no installed workloads to display.
Host:
Version: 8.0.1
Architecture: arm64
Commit: bf5e279d92
.NET SDKs installed:
6.0.418 [/home/user/.dotnet/sdk]
8.0.101 [/home/user/.dotnet/sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 6.0.26 [/home/user/.dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.1 [/home/user/.dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 6.0.26 [/home/user/.dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.1 [/home/user/.dotnet/shared/Microsoft.NETCore.App]
Other architectures found:
None
Environment variables:
DOTNET_ROOT [/home/user/.dotnet]
global.json file:
Not found
Learn more:
https://aka.ms/dotnet/info
Download .NET:
https://aka.ms/dotnet/downloadThe environment is unusual. Termux on arm64 Android, and proot (like chroot) into Debian system. Could be my environment, or maybe I don't use list-api correctly? I will try on x86_64 desktop in a few days to try a different environment.
First time trying list-api. List-api works as expected on other DLLs in ~/.dotnet/sdk/8.0.101/ I think because System.Runtime is in same directory.
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