Add <auto-generated> (#24)

src/ProxyInterfaceSourceGenerator/FileGenerators/PartialInterfacesGenerator.cs

@@ -30,7 +30,7 @@ namespace ProxyInterfaceSourceGenerator.FileGenerators
             var interfaceName = targetClassSymbol.ResolveInterfaceNameWithOptionalTypeConstraints(pd.InterfaceName);
 
             var file = new FileData(
-                $"{pd.FileName}.cs",
+                $"{pd.FileName}.g.cs",
                 CreatePartialInterfaceCode(pd.Namespace, targetClassSymbol, interfaceName, pd.ProxyAll)
             );
 
@@ -39,7 +39,17 @@ namespace ProxyInterfaceSourceGenerator.FileGenerators
             return file;
         }
 
-        private string CreatePartialInterfaceCode(string ns, INamedTypeSymbol targetClassSymbol, string interfaceName, bool proxyAll) => $@"using System;
+        private string CreatePartialInterfaceCode(string ns, INamedTypeSymbol targetClassSymbol, string interfaceName, bool proxyAll) => $@"//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
 
 namespace {ns}
 {{
@@ -51,7 +61,8 @@ namespace {ns}
 
 {GenerateEvents(targetClassSymbol)}
     }}
-}}";
+}}
+#nullable disable";
 
         private string GenerateProperties(INamedTypeSymbol targetClassSymbol, bool proxyAll)
         {

src/ProxyInterfaceSourceGenerator/FileGenerators/ProxyAttributeGenerator.cs

@@ -1,4 +1,4 @@
-namespace ProxyInterfaceSourceGenerator.FileGenerators
+namespace ProxyInterfaceSourceGenerator.FileGenerators
 {
     internal class ProxyAttributeGenerator : IFileGenerator
     {
@@ -6,7 +6,16 @@
 
         public FileData GenerateFile()
         {
-            return new FileData($"{ClassName}.cs", $@"using System;
+            return new FileData($"{ClassName}.g.cs", $@"//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+using System;
 
 namespace ProxyInterfaceGenerator
 {{

src/ProxyInterfaceSourceGenerator/FileGenerators/ProxyClassesGenerator.cs

@@ -32,7 +32,7 @@ namespace ProxyInterfaceSourceGenerator.FileGenerators
             var constructorName = $"{targetClassSymbol.Name}Proxy";
 
             var file = new FileData(
-                $"{pd.FileName}Proxy.cs",
+                $"{pd.FileName}Proxy.g.cs",
                 CreateProxyClassCode(pd.Namespace, targetClassSymbol, interfaceName, className, constructorName)
             );
 
@@ -41,7 +41,17 @@ namespace ProxyInterfaceSourceGenerator.FileGenerators
             return file;
         }
 
-        private string CreateProxyClassCode(string ns, INamedTypeSymbol targetClassSymbol, string interfaceName, string className, string constructorName) => $@"using System;
+        private string CreateProxyClassCode(string ns, INamedTypeSymbol targetClassSymbol, string interfaceName, string className, string constructorName) => $@"//----------------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by https://github.com/StefH/ProxyInterfaceSourceGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//----------------------------------------------------------------------------------------
+
+#nullable enable
+using System;
 using AutoMapper;
 
 namespace {ns}
@@ -65,7 +75,8 @@ namespace {ns}
 
 {GeneratePrivateAutoMapper()}
     }}
-}}";
+}}
+#nullable disable";
         private string GeneratePrivateAutoMapper()
         {
             return _context.ReplacedTypes.Count == 0 ? string.Empty : "        private readonly IMapper _mapper;";

src/ProxyInterfaceSourceGenerator/ProxyInterfaceCodeGenerator.cs

@@ -7,7 +7,7 @@ using ProxyInterfaceSourceGenerator.SyntaxReceiver;
 namespace ProxyInterfaceSourceGenerator
 {
     [Generator]
-    public class ProxyInterfaceCodeGenerator : ISourceGenerator
+    internal class ProxyInterfaceCodeGenerator : ISourceGenerator
     {
         private readonly ProxyAttributeGenerator _proxyAttributeGenerator = new ProxyAttributeGenerator();
 

src/ProxyInterfaceSourceGenerator/ProxyInterfaceSourceGenerator.csproj

@@ -1,53 +1,52 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <Version>0.0.8</Version>
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>9</LangVersion>
-    <Nullable>enable</Nullable>
-    <Authors>Stef Heyenrath</Authors>
-    <Description></Description>
-    <Title>ProxyInterfaceGenerator</Title>
-    <PackageId>ProxyInterfaceGenerator</PackageId>
-    <Description>This project uses Source Generation to generate an interface and a Proxy class for classes. This makes it possible to wrap external classes which do not have an interface, in a Proxy class which makes it easier to Mock and use DI.</Description>
-    <PackageTags>class;interface;proxy;SourceGenerator;Analyzer;Generation;Generate;wrap</PackageTags>
+    <PropertyGroup>
+        <Version>0.0.9</Version>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <LangVersion>9</LangVersion>
+        <Nullable>enable</Nullable>
+        <Authors>Stef Heyenrath</Authors>
+        <Description></Description>
+        <Title>ProxyInterfaceGenerator</Title>
+        <PackageId>ProxyInterfaceGenerator</PackageId>
+        <Description>This project uses Source Generation to generate an interface and a Proxy class for classes. This makes it possible to wrap external classes which do not have an interface, in a Proxy class which makes it easier to Mock and use DI.</Description>
+        <PackageTags>class;interface;proxy;SourceGenerator;Analyzer;Generation;Generate;wrap</PackageTags>
 
-    <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <PackageReleaseNotes>See ReleaseNotes.md</PackageReleaseNotes>
-    <PackageProjectUrl>https://github.com/StefH/ProxyInterfaceGenerator</PackageProjectUrl>
-    <RepositoryType>git</RepositoryType>
-    <RepositoryUrl>https://github.com/StefH/ProxyInterfaceGenerator</RepositoryUrl>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <PackageReleaseNotes>See ReleaseNotes.md</PackageReleaseNotes>
+        <PackageProjectUrl>https://github.com/StefH/ProxyInterfaceGenerator</PackageProjectUrl>
+        <RepositoryType>git</RepositoryType>
+        <RepositoryUrl>https://github.com/StefH/ProxyInterfaceGenerator</RepositoryUrl>
 
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <ProjectGuid>{12344228-91F4-4502-9595-39584E5ABB34}</ProjectGuid>
+        <TargetFramework>netstandard2.0</TargetFramework>
+        <ProjectGuid>{12344228-91F4-4502-9595-39584E5ABB34}</ProjectGuid>
 
-    <IncludeBuildOutput>false</IncludeBuildOutput>
-    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
-    <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)Generated</CompilerGeneratedFilesOutputPath>
-  </PropertyGroup>
+        <IncludeBuildOutput>false</IncludeBuildOutput>
+        <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+        <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)Generated</CompilerGeneratedFilesOutputPath>
+    </PropertyGroup>
 
-  <PropertyGroup Condition="'$(Configuration)' == 'Release'">
-    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-  </PropertyGroup>
+    <PropertyGroup Condition="'$(Configuration)' == 'Release'">
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    </PropertyGroup>
 
-  <ItemGroup>
-    <!--<PackageReference Include="AnyOf" Version="0.0.12" />-->
-    <PackageReference Include="AutoMapper" Version="10.1.1" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.10.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.10.0" PrivateAssets="all" />
-  </ItemGroup>
+    <ItemGroup>
+        <PackageReference Include="AutoMapper" Version="10.1.1" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.10.0" PrivateAssets="all" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.10.0" PrivateAssets="all" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <None Remove="bin\Debug\netstandard2.0\\ProxyInterfaceGenerator.dll" />
-    <None Remove="bin\Release\netstandard2.0\\ProxyInterfaceGenerator.dll" />
-  </ItemGroup>
+    <ItemGroup>
+        <None Remove="bin\Debug\netstandard2.0\\ProxyInterfaceGenerator.dll" />
+        <None Remove="bin\Release\netstandard2.0\\ProxyInterfaceGenerator.dll" />
+    </ItemGroup>
 
-  <ItemGroup>
-    <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
-  </ItemGroup>
+    <ItemGroup>
+        <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+    </ItemGroup>
 
 </Project>