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Laszlo Deak
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Initial Test
1 parent 2b3c849 commit 0057de0

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+133
-6
lines changed

‎ProtobufSourceGenerator.Tests/CSharpSourceGeneratorVerifier.cs

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using System.Collections.Immutable;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp;
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using Microsoft.CodeAnalysis.CSharp.Testing;
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using Microsoft.CodeAnalysis.Testing.Verifiers;
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namespace ProtobufSourceGenerator.Tests;
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public static class CSharpSourceGeneratorVerifier<TSourceGenerator> where TSourceGenerator : ISourceGenerator, new()
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{
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public class Test : CSharpSourceGeneratorTest<TSourceGenerator, XUnitVerifier>
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{
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public Test()
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{
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}
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protected override CompilationOptions CreateCompilationOptions()
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{
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var compilationOptions = base.CreateCompilationOptions();
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return compilationOptions.WithSpecificDiagnosticOptions(
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compilationOptions.SpecificDiagnosticOptions.SetItems(GetNullableWarningsFromCompiler()));
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}
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public LanguageVersion LanguageVersion { get; set; } = LanguageVersion.Default;
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private static ImmutableDictionary<string, ReportDiagnostic> GetNullableWarningsFromCompiler()
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{
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string[] args = { "/warnaserror:nullable" };
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var commandLineArguments = CSharpCommandLineParser.Default.Parse(args, baseDirectory: Environment.CurrentDirectory, sdkDirectory: Environment.CurrentDirectory);
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var nullableWarnings = commandLineArguments.CompilationOptions.SpecificDiagnosticOptions;
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return nullableWarnings;
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}
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protected override ParseOptions CreateParseOptions()
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{
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return ((CSharpParseOptions)base.CreateParseOptions()).WithLanguageVersion(LanguageVersion);
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}
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}
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}

‎ProtobufSourceGenerator.Tests/ProtoGeneratorTests.cs

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using Microsoft.CodeAnalysis.Testing;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.Text;
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using System.Text;
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using VerifyCS = ProtobufSourceGenerator.Tests.CSharpSourceGeneratorVerifier<ProtobufSourceGenerator.ProtoGenerator>;
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using ProtoBuf;
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namespace ProtobufSourceGenerator.Tests;
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public class ProtoGeneratorTests
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{
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[Fact]
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public async Task SinglePropertyTest()
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{
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var code = @"namespace Test;
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[ProtoBuf.ProtoContract]
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public partial class Entity
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{
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public int Id { get; set; }
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}";
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var generated = @"namespace Test;
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public partial class Entity
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{
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[ProtoBuf.ProtoMember(1)]
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private System.Int32 ProtoId { get => Id; set => Id = value; }
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}";
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var test = new VerifyCS.Test
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{
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TestState =
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{
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Sources = { code },
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GeneratedSources =
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{
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(typeof(ProtoGenerator), "ProtoEntity.g.cs", SourceText.From(generated, Encoding.UTF8, SourceHashAlgorithm.Sha1)),
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},
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},
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};
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test.TestState.AdditionalReferences.Add(MetadataReference.CreateFromFile(typeof(ProtoContractAttribute).Assembly.Location));
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test.TestState.ReferenceAssemblies = new ReferenceAssemblies("net7.0", new PackageIdentity("Microsoft.NETCore.App.Ref", "7.0.0"), Path.Combine("ref", "net7.0"));
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await test.RunAsync();
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}
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}

‎ProtobufSourceGenerator.Tests/ProtobufSourceGenerator.Tests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net7.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="protobuf-net" Version="3.1.26" />
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<PackageReference Include="Microsoft.CodeAnalysis.CSharp.SourceGenerators.Testing.XUnit" Version="1.1.1" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
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<PackageReference Include="xunit" Version="2.4.2" />
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<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="coverlet.collector" Version="3.1.2">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" PrivateAssets="all" />
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<PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.4.0" PrivateAssets="all" />
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<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" PrivateAssets="all" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ProtobufSourceGenerator\ProtobufSourceGenerator.csproj" />
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</ItemGroup>
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</Project>

‎ProtobufSourceGenerator.Tests/Usings.cs

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global using Xunit;

‎ProtobufSourceGenerator.sln

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@@ -3,9 +3,11 @@ Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.5.33209.295
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProtobufSourceGenerator", "ProtobufSourceGenerator\ProtobufSourceGenerator.csproj", "{6AEBF24B-6F08-431F-AFDE-A1BF1E47DF2A}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ProtobufSourceGenerator", "ProtobufSourceGenerator\ProtobufSourceGenerator.csproj", "{6AEBF24B-6F08-431F-AFDE-A1BF1E47DF2A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SampleApp", "SampleApp\SampleApp.csproj", "{6154F071-AE91-413F-B0BE-3E8E3BFDCF1E}"
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SampleApp", "SampleApp\SampleApp.csproj", "{6154F071-AE91-413F-B0BE-3E8E3BFDCF1E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProtobufSourceGenerator.Tests", "ProtobufSourceGenerator.Tests\ProtobufSourceGenerator.Tests.csproj", "{B01D3533-FEC1-4797-9148-90CE4E91DE5A}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +23,10 @@ Global
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{6154F071-AE91-413F-B0BE-3E8E3BFDCF1E}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{6154F071-AE91-413F-B0BE-3E8E3BFDCF1E}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{6154F071-AE91-413F-B0BE-3E8E3BFDCF1E}.Release|Any CPU.Build.0 = Release|Any CPU
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{B01D3533-FEC1-4797-9148-90CE4E91DE5A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{B01D3533-FEC1-4797-9148-90CE4E91DE5A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B01D3533-FEC1-4797-9148-90CE4E91DE5A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B01D3533-FEC1-4797-9148-90CE4E91DE5A}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

‎ProtobufSourceGenerator/ProtoClassGenerator.cs

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@@ -40,7 +40,7 @@ private string CreateClass(IEnumerable<PropertyInfo> propertyShadows)
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.WithExpressionBody(SyntaxFactory.ArrowExpressionClause(SyntaxFactory.IdentifierName(shadow.Property.Identifier.Text)))
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.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
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var setter = SyntaxFactory.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
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var setter = SyntaxFactory.AccessorDeclaration(SyntaxKind.SetAccessorDeclaration)
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.WithExpressionBody(SyntaxFactory.ArrowExpressionClause(SyntaxFactory.AssignmentExpression(
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SyntaxKind.SimpleAssignmentExpression,
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SyntaxFactory.IdentifierName(shadow.Property.Identifier.Text),
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SyntaxFactory.AttributeList(
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SyntaxFactory.SingletonSeparatedList(
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SyntaxFactory.Attribute(
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SyntaxFactory.QualifiedName(SyntaxFactory.IdentifierName("Protobuf"), SyntaxFactory.IdentifierName("ProtoMember")))
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SyntaxFactory.QualifiedName(SyntaxFactory.IdentifierName("ProtoBuf"), SyntaxFactory.IdentifierName("ProtoMember")))
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.WithArgumentList(
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SyntaxFactory.AttributeArgumentList(
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SyntaxFactory.SingletonSeparatedList(

‎ProtobufSourceGenerator/ProtoSyntaxTreeWalker.cs

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{
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if (attributeList.Attributes.Any(x => x.Name.ToFullString().Contains("ProtoContract")
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&& _semantics.GetSymbolInfo(x).Symbol is IMethodSymbol symbol
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&& symbol.ContainingType.ToString() == "Protobuf.ProtoContractAttribute"))
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&& symbol.ContainingType.ToString() == "ProtoBuf.ProtoContractAttribute"))
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{
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_collectingProperties = true;
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_currentClass = node;

‎SampleApp/SampleApp.csproj

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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ProtobufSourceGenerator\ProtobufSourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
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<Analyzer Include="..\ProtobufSourceGenerator\ProtobufSourceGenerator.csproj" />
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</ItemGroup>
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</Project>

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