Adding net9/c#13 support. Drop support for net6/7

.github/workflows/format_repositories.yml

@@ -18,4 +18,4 @@ jobs:
           repository: belav/csharpier-repos
           path: csharpier-repos
       - run: dotnet build csharpier/Src/CSharpier.Cli/CSharpier.Cli.csproj -c release
-      - run: dotnet csharpier/Src/CSharpier.Cli/bin/release/net8.0/dotnet-csharpier.dll csharpier-repos --skip-write
+      - run: dotnet csharpier/Src/CSharpier.Cli/bin/release/net9.0/dotnet-csharpier.dll csharpier-repos --skip-write

.run/Playground.run.xml

@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Playground" type="LaunchSettings" factoryName=".NET Launch Settings Profile">
     <option name="LAUNCH_PROFILE_PROJECT_FILE_PATH" value="$PROJECT_DIR$/Src/CSharpier.Playground/CSharpier.Playground.csproj" />
-    <option name="LAUNCH_PROFILE_TFM" value="net7.0" />
+    <option name="LAUNCH_PROFILE_TFM" value="net9.0" />
     <option name="LAUNCH_PROFILE_NAME" value="Watch" />
     <option name="USE_EXTERNAL_CONSOLE" value="0" />
     <option name="USE_MONO" value="0" />

Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFrameworks>net8.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <LangVersion>12</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>

Scripts/RunLinuxTests.ps1

@@ -1,7 +1,7 @@
 # running this seems to screw up the nuget restore, but provides a way to figure out why a test is failing on linux while working on windows.
 # you have to run this from the root, IE powershell ./Scripts/RunLinuxTests.ps1
 # also a lot of these tests fail due to line endings in your local files being \r\n but the writeLine using \n
-docker run --rm -v ${pwd}:/app -e "NormalizeLineEndings=1" -w /app/tests mcr.microsoft.com/dotnet/sdk:7.0 dotnet test /app/Src/CSharpier.Tests/CSharpier.Tests.csproj --logger:trx
+docker run --rm -v ${pwd}:/app -e "NormalizeLineEndings=1" -w /app/tests mcr.microsoft.com/dotnet/sdk:9.0 dotnet test /app/Src/CSharpier.Tests/CSharpier.Tests.csproj --logger:trx
 
 # gross way to run csharpier against the csharpier-repos
-#docker run --rm -v ${pwd}:/app -e "NormalizeLineEndings=1" -w /app mcr.microsoft.com/dotnet/sdk:5.0 dotnet ./csharpier/Src/CSharpier/bin/Debug/net6.0/dotnet-csharpier.dll csharpier-repos --skip-write
+#docker run --rm -v ${pwd}:/app -e "NormalizeLineEndings=1" -w /app mcr.microsoft.com/dotnet/sdk:9.0 dotnet ./csharpier/Src/CSharpier/bin/Debug/net9.0/dotnet-csharpier.dll csharpier-repos --skip-write

Src/CSharpier.Cli/CSharpier.Cli.csproj

@@ -4,7 +4,7 @@
     <OutputType>Exe</OutputType>
     <PackageId>CSharpier</PackageId>
     <AssemblyName>dotnet-csharpier</AssemblyName>
-    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <PackAsTool>true</PackAsTool>
     <ToolCommandName>csharpier</ToolCommandName>
     <AssemblyOriginatorKeyFile>../../Nuget/csharpier.snk</AssemblyOriginatorKeyFile>

Src/CSharpier.FakeGenerators/SyntaxNodeComparerGenerator.cs

@@ -75,7 +75,7 @@ private CompareResult Compare(
                 sourceBuilder.AppendLine(
                     $"""
                 case {syntaxNodeType.Name} {lowerCaseName}:
-                    if (this.IgnoreDisabledText)
+                    if (this.ReorderedUsingsWithDisabledText)
                         return Equal;
                     return this.Compare{syntaxNodeType.Name}({lowerCaseName}, formattedNode as {syntaxNodeType.Name});
 """

Src/CSharpier.MsBuild/CSharpier.MsBuild.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <Import Project="../../Nuget/Build.props"/>
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <PackageId>CSharpier.MsBuild</PackageId>
         <DevelopmentDependency>true</DevelopmentDependency>
         <CSharpierOutputDir>../CSharpier.Cli/bin/$(Configuration)/$(TargetFramework)</CSharpierOutputDir>
@@ -10,7 +10,7 @@
     <!--
         Note: There is no <ProjectReference /> here because that would cause msbuild to
         make it a dependency in the output package, which causes all sorts of issues as
-        CSharpier is a net6.0 project with <PackAsTool> and this is neither.
+        CSharpier is a net9.0 project with <PackAsTool> and this is neither.
     -->
     <Target Name="BuildCSharpier" BeforeTargets="Restore">
       <Exec command="dotnet build -c $(Configuration)" WorkingDirectory="../CSharpier.Cli" />

Src/CSharpier.MsBuild/build/CSharpier.MsBuild.targets

@@ -1,8 +1,7 @@
 <Project>
   <PropertyGroup>
+    <CSharpier_FrameworkVersion Condition="'$(CSharpier_FrameworkVersion)' == '' and $([MSBuild]::VersionGreaterThanOrEquals($(NETCoreSdkVersion), '9.0'))">net9.0</CSharpier_FrameworkVersion>
     <CSharpier_FrameworkVersion Condition="'$(CSharpier_FrameworkVersion)' == '' and $([MSBuild]::VersionGreaterThanOrEquals($(NETCoreSdkVersion), '8.0'))">net8.0</CSharpier_FrameworkVersion>
-    <CSharpier_FrameworkVersion Condition="'$(CSharpier_FrameworkVersion)' == '' and $([MSBuild]::VersionGreaterThanOrEquals($(NETCoreSdkVersion), '7.0'))">net7.0</CSharpier_FrameworkVersion>
-    <CSharpier_FrameworkVersion Condition="'$(CSharpier_FrameworkVersion)' == '' and $([MSBuild]::VersionGreaterThanOrEquals($(NETCoreSdkVersion), '6.0'))">net6.0</CSharpier_FrameworkVersion>
     <CSharpier_FrameworkVersion Condition="'$(CSharpier_FrameworkVersion)' == ''" Label="Fallback">net8.0</CSharpier_FrameworkVersion>
     <CSharpierDllPath>$(MSBuildThisFileDirectory)../tools/csharpier/$(CSharpier_FrameworkVersion)/dotnet-csharpier.dll</CSharpierDllPath>
     <CSharpierArgs Condition="'$(CSharpier_Check)' == 'true'">$(CSharpierArgs) --check</CSharpierArgs>

Src/CSharpier.Tests/CSharpier.Tests.csproj

@@ -5,6 +5,8 @@
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     <AssemblyOriginatorKeyFile>../../Nuget/csharpier.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>True</SignAssembly>
+    <!-- DiffEngine references older packages and vulnerabilities on tests isn't a big deal -->
+    <NuGetAuditMode>direct</NuGetAuditMode>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="DiffEngine" />

Src/CSharpier.Tests/FormattingTests/TestFiles/cs/AllowsRefStruct.test

@@ -0,0 +1,9 @@
+public class C<T>
+    where T : allows ref struct
+{
+    // Use T as a ref struct:
+    public void M(scoped T p)
+    {
+        // The parameter p must follow ref safety rules
+    }
+}

Src/CSharpier/CSharpier.csproj

@@ -2,7 +2,7 @@
   <Import Project="../../Nuget/Build.props" />
   <PropertyGroup>
     <PackageId>CSharpier.Core</PackageId>
-    <TargetFrameworks>net6.0;net7.0;net8.0;netstandard2.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0;netstandard2.0</TargetFrameworks>
     <RootNamespace>CSharpier</RootNamespace>
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
     <AssemblyOriginatorKeyFile>../../Nuget/csharpier.snk</AssemblyOriginatorKeyFile>

Src/CSharpier/SyntaxNodeComparer.generated.cs

@@ -44,6 +44,8 @@ private CompareResult Compare(
                  return this.CompareAccessorListSyntax(accessorListSyntax, formattedNode as AccessorListSyntax);
              case AliasQualifiedNameSyntax aliasQualifiedNameSyntax:
                  return this.CompareAliasQualifiedNameSyntax(aliasQualifiedNameSyntax, formattedNode as AliasQualifiedNameSyntax);
+             case AllowsConstraintClauseSyntax allowsConstraintClauseSyntax:
+                 return this.CompareAllowsConstraintClauseSyntax(allowsConstraintClauseSyntax, formattedNode as AllowsConstraintClauseSyntax);
              case AnonymousMethodExpressionSyntax anonymousMethodExpressionSyntax:
                  return this.CompareAnonymousMethodExpressionSyntax(anonymousMethodExpressionSyntax, formattedNode as AnonymousMethodExpressionSyntax);
              case AnonymousObjectCreationExpressionSyntax anonymousObjectCreationExpressionSyntax:
@@ -390,6 +392,8 @@ private CompareResult Compare(
                  return this.CompareReferenceDirectiveTriviaSyntax(referenceDirectiveTriviaSyntax, formattedNode as ReferenceDirectiveTriviaSyntax);
              case RefExpressionSyntax refExpressionSyntax:
                  return this.CompareRefExpressionSyntax(refExpressionSyntax, formattedNode as RefExpressionSyntax);
+             case RefStructConstraintSyntax refStructConstraintSyntax:
+                 return this.CompareRefStructConstraintSyntax(refStructConstraintSyntax, formattedNode as RefStructConstraintSyntax);
              case RefTypeExpressionSyntax refTypeExpressionSyntax:
                  return this.CompareRefTypeExpressionSyntax(refTypeExpressionSyntax, formattedNode as RefTypeExpressionSyntax);
              case RefTypeSyntax refTypeSyntax:
@@ -473,6 +477,8 @@ private CompareResult Compare(
              case UnsafeStatementSyntax unsafeStatementSyntax:
                  return this.CompareUnsafeStatementSyntax(unsafeStatementSyntax, formattedNode as UnsafeStatementSyntax);
                 case UsingDirectiveSyntax usingDirectiveSyntax:
+                    if (this.ReorderedUsingsWithDisabledText)
+                        return Equal;
                     return this.CompareUsingDirectiveSyntax(usingDirectiveSyntax, formattedNode as UsingDirectiveSyntax);
              case UsingStatementSyntax usingStatementSyntax:
                  return this.CompareUsingStatementSyntax(usingStatementSyntax, formattedNode as UsingStatementSyntax);
@@ -576,6 +582,18 @@ private CompareResult CompareAliasQualifiedNameSyntax(AliasQualifiedNameSyntax o
             formattedStack.Push((formattedNode.Name, formattedNode));
             return Equal;
         }
+      private CompareResult CompareAllowsConstraintClauseSyntax(AllowsConstraintClauseSyntax originalNode, AllowsConstraintClauseSyntax formattedNode)
+      {
+          CompareResult result;
+            result = this.Compare(originalNode.AllowsKeyword, formattedNode.AllowsKeyword, originalNode, formattedNode);
+            if (result.IsInvalid) return result;
+            result = this.CompareLists(originalNode.Constraints, formattedNode.Constraints, null, o => o.Span, originalNode.Span, formattedNode.Span);
+            if (result.IsInvalid) return result;
+            result = this.CompareLists(originalNode.Constraints.GetSeparators().Take(originalNode.Constraints.Count() - 1).ToList(), formattedNode.Constraints.GetSeparators().Take(formattedNode.Constraints.Count() - 1).ToList(), Compare, o => o.Span, originalNode.Span, formattedNode.Span);
+            if (result.IsInvalid) return result;
+            if (originalNode.IsMissing != formattedNode.IsMissing) return NotEqual(originalNode, formattedNode);
+            return Equal;
+        }
       private CompareResult CompareAnonymousMethodExpressionSyntax(AnonymousMethodExpressionSyntax originalNode, AnonymousMethodExpressionSyntax formattedNode)
       {
           CompareResult result;
@@ -3127,6 +3145,16 @@ private CompareResult CompareRefExpressionSyntax(RefExpressionSyntax originalNod
             if (result.IsInvalid) return result;
             return Equal;
         }
+      private CompareResult CompareRefStructConstraintSyntax(RefStructConstraintSyntax originalNode, RefStructConstraintSyntax formattedNode)
+      {
+          CompareResult result;
+            if (originalNode.IsMissing != formattedNode.IsMissing) return NotEqual(originalNode, formattedNode);
+            result = this.Compare(originalNode.RefKeyword, formattedNode.RefKeyword, originalNode, formattedNode);
+            if (result.IsInvalid) return result;
+            result = this.Compare(originalNode.StructKeyword, formattedNode.StructKeyword, originalNode, formattedNode);
+            if (result.IsInvalid) return result;
+            return Equal;
+        }
       private CompareResult CompareRefTypeExpressionSyntax(RefTypeExpressionSyntax originalNode, RefTypeExpressionSyntax formattedNode)
       {
           CompareResult result;

Src/CSharpier/SyntaxNodeJsonWriter.generated.cs

@@ -15,6 +15,7 @@ public static void WriteSyntaxNode(StringBuilder builder, SyntaxNode syntaxNode)
             if (syntaxNode is AccessorDeclarationSyntax) WriteAccessorDeclarationSyntax(builder, syntaxNode as AccessorDeclarationSyntax);
             if (syntaxNode is AccessorListSyntax) WriteAccessorListSyntax(builder, syntaxNode as AccessorListSyntax);
             if (syntaxNode is AliasQualifiedNameSyntax) WriteAliasQualifiedNameSyntax(builder, syntaxNode as AliasQualifiedNameSyntax);
+            if (syntaxNode is AllowsConstraintClauseSyntax) WriteAllowsConstraintClauseSyntax(builder, syntaxNode as AllowsConstraintClauseSyntax);
             if (syntaxNode is AnonymousMethodExpressionSyntax) WriteAnonymousMethodExpressionSyntax(builder, syntaxNode as AnonymousMethodExpressionSyntax);
             if (syntaxNode is AnonymousObjectCreationExpressionSyntax) WriteAnonymousObjectCreationExpressionSyntax(builder, syntaxNode as AnonymousObjectCreationExpressionSyntax);
             if (syntaxNode is AnonymousObjectMemberDeclaratorSyntax) WriteAnonymousObjectMemberDeclaratorSyntax(builder, syntaxNode as AnonymousObjectMemberDeclaratorSyntax);
@@ -188,6 +189,7 @@ public static void WriteSyntaxNode(StringBuilder builder, SyntaxNode syntaxNode)
             if (syntaxNode is RecursivePatternSyntax) WriteRecursivePatternSyntax(builder, syntaxNode as RecursivePatternSyntax);
             if (syntaxNode is ReferenceDirectiveTriviaSyntax) WriteReferenceDirectiveTriviaSyntax(builder, syntaxNode as ReferenceDirectiveTriviaSyntax);
             if (syntaxNode is RefExpressionSyntax) WriteRefExpressionSyntax(builder, syntaxNode as RefExpressionSyntax);
+            if (syntaxNode is RefStructConstraintSyntax) WriteRefStructConstraintSyntax(builder, syntaxNode as RefStructConstraintSyntax);
             if (syntaxNode is RefTypeExpressionSyntax) WriteRefTypeExpressionSyntax(builder, syntaxNode as RefTypeExpressionSyntax);
             if (syntaxNode is RefTypeSyntax) WriteRefTypeSyntax(builder, syntaxNode as RefTypeSyntax);
             if (syntaxNode is RefValueExpressionSyntax) WriteRefValueExpressionSyntax(builder, syntaxNode as RefValueExpressionSyntax);
@@ -375,6 +377,32 @@ public static void WriteAliasQualifiedNameSyntax(StringBuilder builder, AliasQua
             builder.Append(string.Join(",", properties.Where(o => o != null)));
             builder.Append("}");
         }
+        public static void WriteAllowsConstraintClauseSyntax(StringBuilder builder, AllowsConstraintClauseSyntax syntaxNode)
+        {
+            builder.Append("{");
+            var properties = new List<string>();
+            properties.Add($"\"nodeType\":\"{GetNodeType(syntaxNode.GetType())}\"");
+            properties.Add($"\"kind\":\"{syntaxNode.Kind().ToString()}\"");
+            if (syntaxNode.AllowsKeyword != default(SyntaxToken))
+            {
+                var allowsKeywordBuilder = new StringBuilder();
+                WriteSyntaxToken(allowsKeywordBuilder, syntaxNode.AllowsKeyword);
+                properties.Add($"\"allowsKeyword\":{allowsKeywordBuilder.ToString()}");
+            }
+            var constraints = new List<string>();
+            foreach(var node in syntaxNode.Constraints)
+            {
+                var innerBuilder = new StringBuilder();
+                WriteSyntaxNode(innerBuilder, node);
+                constraints.Add(innerBuilder.ToString());
+            }
+            properties.Add($"\"constraints\":[{string.Join(",", constraints)}]");
+            properties.Add(WriteBoolean("hasLeadingTrivia", syntaxNode.HasLeadingTrivia));
+            properties.Add(WriteBoolean("hasTrailingTrivia", syntaxNode.HasTrailingTrivia));
+            properties.Add(WriteBoolean("isMissing", syntaxNode.IsMissing));
+            builder.Append(string.Join(",", properties.Where(o => o != null)));
+            builder.Append("}");
+        }
         public static void WriteAnonymousMethodExpressionSyntax(StringBuilder builder, AnonymousMethodExpressionSyntax syntaxNode)
         {
             builder.Append("{");
@@ -2078,6 +2106,12 @@ public static void WriteCrefParameterSyntax(StringBuilder builder, CrefParameter
             properties.Add(WriteBoolean("hasLeadingTrivia", syntaxNode.HasLeadingTrivia));
             properties.Add(WriteBoolean("hasTrailingTrivia", syntaxNode.HasTrailingTrivia));
             properties.Add(WriteBoolean("isMissing", syntaxNode.IsMissing));
+            if (syntaxNode.ReadOnlyKeyword != default(SyntaxToken))
+            {
+                var readOnlyKeywordBuilder = new StringBuilder();
+                WriteSyntaxToken(readOnlyKeywordBuilder, syntaxNode.ReadOnlyKeyword);
+                properties.Add($"\"readOnlyKeyword\":{readOnlyKeywordBuilder.ToString()}");
+            }
             if (syntaxNode.RefKindKeyword != default(SyntaxToken))
             {
                 var refKindKeywordBuilder = new StringBuilder();
@@ -6940,6 +6974,30 @@ public static void WriteRefExpressionSyntax(StringBuilder builder, RefExpression
             builder.Append(string.Join(",", properties.Where(o => o != null)));
             builder.Append("}");
         }
+        public static void WriteRefStructConstraintSyntax(StringBuilder builder, RefStructConstraintSyntax syntaxNode)
+        {
+            builder.Append("{");
+            var properties = new List<string>();
+            properties.Add($"\"nodeType\":\"{GetNodeType(syntaxNode.GetType())}\"");
+            properties.Add($"\"kind\":\"{syntaxNode.Kind().ToString()}\"");
+            properties.Add(WriteBoolean("hasLeadingTrivia", syntaxNode.HasLeadingTrivia));
+            properties.Add(WriteBoolean("hasTrailingTrivia", syntaxNode.HasTrailingTrivia));
+            properties.Add(WriteBoolean("isMissing", syntaxNode.IsMissing));
+            if (syntaxNode.RefKeyword != default(SyntaxToken))
+            {
+                var refKeywordBuilder = new StringBuilder();
+                WriteSyntaxToken(refKeywordBuilder, syntaxNode.RefKeyword);
+                properties.Add($"\"refKeyword\":{refKeywordBuilder.ToString()}");
+            }
+            if (syntaxNode.StructKeyword != default(SyntaxToken))
+            {
+                var structKeywordBuilder = new StringBuilder();
+                WriteSyntaxToken(structKeywordBuilder, syntaxNode.StructKeyword);
+                properties.Add($"\"structKeyword\":{structKeywordBuilder.ToString()}");
+            }
+            builder.Append(string.Join(",", properties.Where(o => o != null)));
+            builder.Append("}");
+        }
         public static void WriteRefTypeExpressionSyntax(StringBuilder builder, RefTypeExpressionSyntax syntaxNode)
         {
             builder.Append("{");

Src/SyntaxFinder/SyntaxFinder.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <OutputType>Exe</OutputType>
   </PropertyGroup>
   <ItemGroup>

docs/MSBuild.md

@@ -51,10 +51,10 @@ Valid options are:
 - Debug
 
 ### Target Frameworks
-CSharpier.MSBuild will be run with net6.0, net7.0 or net8.0 if the project targets one of the three frameworks. In cases where the project targets something else (net48, netstandard2.0) `CSharpier_FrameworkVersion` will default to net7.0
-This can be controlled with the following property. This property is required if the csproj is targeting < net6.0 (netstandard2.0, net48, etc) and net7.0 is not installed.
+CSharpier.MSBuild will be run with net8.0 or net9.0 if the project targets one of the three frameworks. In cases where the project targets something else (net48, netstandard2.0) `CSharpier_FrameworkVersion` will default to net8.0
+This can be controlled with the following property. This property is required if the csproj is targeting < net8.0 (netstandard2.0, net48, etc) and net8.0 is not installed.
 ```xml
   <PropertyGroup>
-    <CSharpier_FrameworkVersion>net6.0</CSharpier_FrameworkVersion>
+    <CSharpier_FrameworkVersion>net8.0</CSharpier_FrameworkVersion>
   </PropertyGroup>
 ```

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.401",
+    "version": "9.0.100-rc.2",
     "rollForward": "latestFeature"
   },
   "msbuild-sdks": {