Obsolete thumbtacked AssemblyName properties (#59522)

* Obsolete thumbtacked AssemblyName properties

Fix #59061

* Ignore obsoletion

* Fix pragma

* Merge the AssemblyName member obsoletions into a single diagnostic id

* Fix pragma to use updated diagnostic id

* Suppress SYSLIB0037 in reflection tests

* Suppress SYSLIB0037 warnings

Co-authored-by: Jeff Handley <[email protected]>
Co-authored-by: Jeff Handley <[email protected]>

Author: i3arnon

docs/project/list-of-diagnostics.md

@@ -91,6 +91,7 @@ The PR that reveals the implementation of the `<IncludeInternalObsoleteAttribute
 |  __`SYSLIB0034`__ | CmsSigner(CspParameters) is obsolete and is not supported. Use an alternative constructor instead. |
 |  __`SYSLIB0035`__ | ComputeCounterSignature without specifying a CmsSigner is obsolete and is not supported. Use the overload that accepts a CmsSigner. |
 |  __`SYSLIB0036`__ | Regex.CompileToAssembly is obsolete and not supported. Use RegexGeneratorAttribute with the regular expression source generator instead. |
+|  __`SYSLIB0037`__ | AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported. |
 
 ## Analyzer Warnings
 

src/coreclr/System.Private.CoreLib/src/System/Reflection/AssemblyName.CoreCLR.cs

@@ -63,7 +63,9 @@ internal static AssemblyName GetFileInformationCore(string assemblyFile)
 
         internal void SetProcArchIndex(PortableExecutableKinds pek, ImageFileMachine ifm)
         {
+#pragma warning disable SYSLIB0037 // AssemblyName.ProcessorArchitecture is obsolete
             ProcessorArchitecture = CalculateProcArchIndex(pek, ifm, _flags);
+#pragma warning restore SYSLIB0037
         }
 
         internal static ProcessorArchitecture CalculateProcArchIndex(PortableExecutableKinds pek, ImageFileMachine ifm, AssemblyNameFlags flags)

src/libraries/Common/src/System/Obsoletions.cs

@@ -119,5 +119,8 @@ internal static class Obsoletions
 
         internal const string RegexCompileToAssemblyMessage = "Regex.CompileToAssembly is obsolete and not supported. Use RegexGeneratorAttribute with the regular expression source generator instead.";
         internal const string RegexCompileToAssemblyDiagId = "SYSLIB0036";
+
+        internal const string AssemblyNameMembersMessage = "AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.";
+        internal const string AssemblyNameMembersDiagId = "SYSLIB0037";
     }
 }

src/libraries/System.Private.CoreLib/src/System/Reflection/AssemblyName.cs

@@ -77,6 +77,7 @@ public string? EscapedCodeBase
             }
         }
 
+        [Obsolete(Obsoletions.AssemblyNameMembersMessage, DiagnosticId = Obsoletions.AssemblyNameMembersDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         public ProcessorArchitecture ProcessorArchitecture
         {
             get
@@ -189,12 +190,14 @@ public AssemblyNameFlags Flags
             }
         }
 
+        [Obsolete(Obsoletions.AssemblyNameMembersMessage, DiagnosticId = Obsoletions.AssemblyNameMembersDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         public AssemblyHashAlgorithm HashAlgorithm
         {
             get => _hashAlgorithm;
             set => _hashAlgorithm = value;
         }
 
+        [Obsolete(Obsoletions.AssemblyNameMembersMessage, DiagnosticId = Obsoletions.AssemblyNameMembersDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         public AssemblyVersionCompatibility VersionCompatibility
         {
             get => _versionCompatibility;

src/libraries/System.Reflection.Metadata/src/System/Reflection/Metadata/MetadataReader.netstandard.cs

@@ -16,7 +16,9 @@ internal AssemblyName GetAssemblyName(StringHandle nameHandle, Version version,
             {
                 Version = version,
                 CultureName = cultureName,
+#pragma warning disable SYSLIB0037 // AssemblyName.HashAlgorithm is obsolete
                 HashAlgorithm = hashAlgorithm,
+#pragma warning restore
                 Flags = GetAssemblyNameFlags(flags),
                 ContentType = GetContentTypeFromAssemblyFlags(flags)
             };

src/libraries/System.Reflection.Metadata/tests/System.Reflection.Metadata.Tests.csproj

@@ -2,7 +2,9 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ExternallyShipping>false</ExternallyShipping>
-    <NoWarn>436</NoWarn> <!-- Type conflicts on "Interop" due to InternalsVisibleTo access -->
+    <!-- 436: Type conflicts on "Interop" due to InternalsVisibleTo access
+         SYSLIB0037: AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete. -->
+    <NoWarn>$(NoWarn);436;SYSLIB0037</NoWarn>
     <TargetFrameworks>$(NetCoreAppCurrent);$(NetFrameworkMinimum)</TargetFrameworks>
     <EnableDllImportGenerator>true</EnableDllImportGenerator>
   </PropertyGroup>

src/libraries/System.Reflection.MetadataLoadContext/src/System/Reflection/TypeLoading/General/AssemblyNameData.cs

@@ -32,8 +32,10 @@ public AssemblyName CreateAssemblyName()
                 Version = Version,
                 CultureName = CultureName,
                 ContentType = ContentType,
+#pragma warning disable SYSLIB0037 // AssemblyName members HashAlgorithm and ProcessorArchitecture are obsolete
                 HashAlgorithm = HashAlgorithm,
                 ProcessorArchitecture = ProcessorArchitecture
+#pragma warning restore
             };
 
             // Yes, *we* have to clone the array. AssemblyName.SetPublicKey() violates framework guidelines and doesn't make a copy.

src/libraries/System.Reflection.MetadataLoadContext/tests/System.Reflection.MetadataLoadContext.Tests.csproj

@@ -2,8 +2,9 @@
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <TargetFrameworks>$(NetCoreAppCurrent);$(NetFrameworkMinimum)</TargetFrameworks>
-    <!-- The GAC is obsolete, but there are unit tests still referencing it -->
-    <NoWarn>$(NoWarn);SYSLIB0005</NoWarn>
+    <!-- SYSLIB0005: The GAC is obsolete, but there are unit tests still referencing it.
+         SYSLIB0037: AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete. -->
+    <NoWarn>$(NoWarn);SYSLIB0005;SYSLIB0037</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="$(CommonTestPath)System\IO\TempDirectory.cs"

src/libraries/System.Reflection/tests/System.Reflection.Tests.csproj

@@ -5,7 +5,9 @@
     <!-- LoadFrom_SameIdentityAsAssemblyWithDifferentPath_ReturnsEqualAssemblies test relies on no deps.json -->
     <GenerateDependencyFile>false</GenerateDependencyFile>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <NoWarn>$(NoWarn),SYSLIB0013</NoWarn>
+    <!-- SYSLIB0013: Uri.EscapeUriString is obsolete
+         SYSLIB0037: AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete. -->
+    <NoWarn>$(NoWarn);SYSLIB0013;SYSLIB0037</NoWarn>
 
     <!-- these tests depend on the pdb files -->
     <DebuggerSupport Condition="'$(DebuggerSupport)' == '' and '$(TargetOS)' == 'Browser'">true</DebuggerSupport>

src/libraries/System.Runtime/ref/System.Runtime.cs

@@ -11363,12 +11363,15 @@ public AssemblyName(string assemblyName) { }
         public string? EscapedCodeBase { get { throw null; } }
         public System.Reflection.AssemblyNameFlags Flags { get { throw null; } set { } }
         public string FullName { get { throw null; } }
+        [System.ObsoleteAttribute("AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.", DiagnosticId = "SYSLIB0037", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
         public System.Configuration.Assemblies.AssemblyHashAlgorithm HashAlgorithm { get { throw null; } set { } }
         [System.ObsoleteAttribute("Strong name signing is not supported and throws PlatformNotSupportedException.", DiagnosticId = "SYSLIB0017", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
         public System.Reflection.StrongNameKeyPair? KeyPair { get { throw null; } set { } }
         public string? Name { get { throw null; } set { } }
+        [System.ObsoleteAttribute("AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.", DiagnosticId = "SYSLIB0037", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
         public System.Reflection.ProcessorArchitecture ProcessorArchitecture { get { throw null; } set { } }
         public System.Version? Version { get { throw null; } set { } }
+        [System.ObsoleteAttribute("AssemblyName members HashAlgorithm, ProcessorArchitecture, and VersionCompatibility are obsolete and not supported.", DiagnosticId = "SYSLIB0037", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
         public System.Configuration.Assemblies.AssemblyVersionCompatibility VersionCompatibility { get { throw null; } set { } }
         public object Clone() { throw null; }
         public static System.Reflection.AssemblyName GetAssemblyName(string assemblyFile) { throw null; }