распознование типов
This commit is contained in:
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{
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"$schema": "https://json.schemastore.org/launchsettings.json",
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"profiles": {
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"DebugRoslynSourceGenerator": {
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"commandName": "DebugRoslynComponent",
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"targetProject": "../mROA.Example/mROA.Example.csproj"
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}
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}
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}
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# Roslyn Source Generators Sample
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A set of three projects that illustrates Roslyn source generators. Enjoy this template to learn from and modify source generators for your own needs.
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## Content
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### mROA.Codegen
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A .NET Standard project with implementations of sample source generators.
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**You must build this project to see the result (generated code) in the IDE.**
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- [SampleSourceGenerator.cs](SampleSourceGenerator.cs): A source generator that creates C# classes based on a text file (in this case, Domain Driven Design ubiquitous language registry).
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- [SampleIncrementalSourceGenerator.cs](SampleIncrementalSourceGenerator.cs): A source generator that creates a custom report based on class properties. The target class should be annotated with the `Generators.ReportAttribute` attribute.
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### mROA.Codegen.Sample
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A project that references source generators. Note the parameters of `ProjectReference` in [mROA.Codegen.Sample.csproj](../mROA.Codegen.Sample/mROA.Codegen.Sample.csproj), they make sure that the project is referenced as a set of source generators.
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### mROA.Codegen.Tests
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Unit tests for source generators. The easiest way to develop language-related features is to start with unit tests.
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## How To?
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### How to debug?
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- Use the [launchSettings.json](Properties/launchSettings.json) profile.
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- Debug tests.
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### How can I determine which syntax nodes I should expect?
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Consider installing the Roslyn syntax tree viewer plugin [Rossynt](https://plugins.jetbrains.com/plugin/16902-rossynt/).
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### How to learn more about wiring source generators?
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Watch the walkthrough video: [Let’s Build an Incremental Source Generator With Roslyn, by Stefan Pölz](https://youtu.be/azJm_Y2nbAI)
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The complete set of information is available in [Source Generators Cookbook](https://github.com/dotnet/roslyn/blob/main/docs/features/source-generators.cookbook.md).
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using System;
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using System.Collections.Immutable;
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using System.Linq;
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using System.Text;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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using Microsoft.CodeAnalysis.Text;
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namespace mROA.Codegen;
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/// <summary>
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/// A sample source generator that creates a custom report based on class properties. The target class should be annotated with the 'Generators.ReportAttribute' attribute.
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/// When using the source code as a baseline, an incremental source generator is preferable because it reduces the performance overhead.
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/// </summary>
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[Generator]
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public class SampleIncrementalSourceGenerator : IIncrementalGenerator
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{
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private const string Namespace = "mROA.Implementation";
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private const string AttributeName = "SharedObjectInterafceAttribute";
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private const string AttributeSourceCode = $@"// <auto-generated/>
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namespace {Namespace}
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{{
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[System.AttributeUsage(System.AttributeTargets.Class)]
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public class {AttributeName} : System.Attribute
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{{
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}}
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}}";
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public void Initialize(IncrementalGeneratorInitializationContext context)
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{
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// Filter classes annotated with the [Report] attribute. Only filtered Syntax Nodes can trigger code generation.
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var provider = context.SyntaxProvider
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.CreateSyntaxProvider(
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(s, _) => s is InterfaceDeclarationSyntax,
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(ctx, _) => GetClassDeclarationForSourceGen(ctx))
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.Where(t => t.reportAttributeFound)
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.Select((t, _) => t.Item1);
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// Generate the source code.
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context.RegisterSourceOutput(context.CompilationProvider.Combine(provider.Collect()),
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((ctx, t) => GenerateCode(ctx, t.Left, t.Right)));
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}
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/// <summary>
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/// Checks whether the Node is annotated with the [Report] attribute and maps syntax context to the specific node type (ClassDeclarationSyntax).
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/// </summary>
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/// <param name="context">Syntax context, based on CreateSyntaxProvider predicate</param>
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/// <returns>The specific cast and whether the attribute was found.</returns>
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private static (InterfaceDeclarationSyntax, bool reportAttributeFound) GetClassDeclarationForSourceGen(
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GeneratorSyntaxContext context)
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{
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var classDeclarationSyntax = (InterfaceDeclarationSyntax)context.Node;
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// Go through all attributes of the class.
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foreach (AttributeListSyntax attributeListSyntax in classDeclarationSyntax.AttributeLists)
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foreach (AttributeSyntax attributeSyntax in attributeListSyntax.Attributes)
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{
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if (context.SemanticModel.GetSymbolInfo(attributeSyntax).Symbol is not IMethodSymbol attributeSymbol)
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continue; // if we can't get the symbol, ignore it
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string attributeName = attributeSymbol.ContainingType.ToDisplayString();
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// Check the full name of the [Report] attribute.
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if (attributeName == "mROA.Implementation.SharedObjectInterfaceAttribute")
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return (classDeclarationSyntax, true);
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}
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return (classDeclarationSyntax, false);
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}
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/// <summary>
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/// Generate code action.
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/// It will be executed on specific nodes (ClassDeclarationSyntax annotated with the [Report] attribute) changed by the user.
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/// </summary>
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/// <param name="context">Source generation context used to add source files.</param>
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/// <param name="compilation">Compilation used to provide access to the Semantic Model.</param>
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/// <param name="classDeclarations">Nodes annotated with the [Report] attribute that trigger the generate action.</param>
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private void GenerateCode(SourceProductionContext context, Compilation compilation,
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ImmutableArray<InterfaceDeclarationSyntax> classDeclarations)
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{
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// Go through all filtered class declarations.
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foreach (var classDeclarationSyntax in classDeclarations)
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{
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// We need to get semantic model of the class to retrieve metadata.
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var semanticModel = compilation.GetSemanticModel(classDeclarationSyntax.SyntaxTree);
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// Symbols allow us to get the compile-time information.
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if (semanticModel.GetDeclaredSymbol(classDeclarationSyntax) is not INamedTypeSymbol classSymbol)
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continue;
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var namespaceName = classSymbol.ContainingNamespace.ToDisplayString();
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// 'Identifier' means the token of the node. Get class name from the syntax node.
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var className = classDeclarationSyntax.Identifier.Text;
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// Go through all class members with a particular type (property) to generate method lines.
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var methodBody = classSymbol.GetMembers()
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.OfType<IMethodSymbol>();
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Console.WriteLine(methodBody.Select(i => i.ToDisplayString()));
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// Build up the source code
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className = className.TrimStart('I') + "RemoteEndpoint";
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var code = $@"// <auto-generated/>
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using System;
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using System.Collections.Generic;
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namespace {namespaceName};
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partial class {className} (int id, ISerialisationModule.IFrontendSerialisationModule serialisationModule) : ITestParameter, IRemoteObject
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{{
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public int Id => id;
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}}
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";
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// Add the source code to the compilation.
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context.AddSource($"{className}.g.cs", SourceText.From(code, Encoding.UTF8));
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}
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}
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}
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@@ -0,0 +1,26 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.0</TargetFramework>
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<IsPackable>false</IsPackable>
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<Nullable>enable</Nullable>
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<LangVersion>latest</LangVersion>
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<EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
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<IsRoslynComponent>true</IsRoslynComponent>
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<RootNamespace>mROA.Codegen</RootNamespace>
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<PackageId>mROA.Codegen</PackageId>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.0"/>
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<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.3.0"/>
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</ItemGroup>
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</Project>
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//------------------------------------------------------------------------------
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// <auto-generated>
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// This code was generated by a tool.
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//
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// Changes to this file may cause incorrect behavior and will be lost if
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// the code is regenerated.
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// </auto-generated>
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//------------------------------------------------------------------------------
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using System;
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using System.Reflection;
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[assembly: System.Reflection.AssemblyCompanyAttribute("mROA.Codegen")]
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[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
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[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
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[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1888db3522e2880c8ef7146ee78cc413905212c4")]
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[assembly: System.Reflection.AssemblyProductAttribute("mROA.Codegen")]
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[assembly: System.Reflection.AssemblyTitleAttribute("mROA.Codegen")]
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[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
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// Создано классом WriteCodeFragment MSBuild.
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@@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8" standalone="no"?>
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<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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<RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
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<RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
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<ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
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<NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
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<NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\Mikhail\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages</NuGetPackageFolders>
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<NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
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<NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.12.0</NuGetToolVersion>
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</PropertyGroup>
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<ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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<SourceRoot Include="C:\Users\Mikhail\.nuget\packages\" />
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<SourceRoot Include="C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages\" />
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</ItemGroup>
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<ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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<Import Project="$(NuGetPackageRoot)microsoft.codeanalysis.analyzers\3.3.4\buildTransitive\Microsoft.CodeAnalysis.Analyzers.props" Condition="Exists('$(NuGetPackageRoot)microsoft.codeanalysis.analyzers\3.3.4\buildTransitive\Microsoft.CodeAnalysis.Analyzers.props')" />
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</ImportGroup>
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<PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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<PkgMicrosoft_CodeAnalysis_Analyzers Condition=" '$(PkgMicrosoft_CodeAnalysis_Analyzers)' == '' ">C:\Users\Mikhail\.nuget\packages\microsoft.codeanalysis.analyzers\3.3.4</PkgMicrosoft_CodeAnalysis_Analyzers>
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</PropertyGroup>
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</Project>
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@@ -0,0 +1,7 @@
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<?xml version="1.0" encoding="utf-8" standalone="no"?>
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<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ImportGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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<Import Project="$(NuGetPackageRoot)netstandard.library\2.0.3\build\netstandard2.0\NETStandard.Library.targets" Condition="Exists('$(NuGetPackageRoot)netstandard.library\2.0.3\build\netstandard2.0\NETStandard.Library.targets')" />
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<Import Project="$(NuGetPackageRoot)microsoft.codeanalysis.analyzers\3.3.4\buildTransitive\Microsoft.CodeAnalysis.Analyzers.targets" Condition="Exists('$(NuGetPackageRoot)microsoft.codeanalysis.analyzers\3.3.4\buildTransitive\Microsoft.CodeAnalysis.Analyzers.targets')" />
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</ImportGroup>
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</Project>
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@@ -0,0 +1,15 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<OutputType>Exe</OutputType>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\mROA.Codegen\mROA.Codegen.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
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<ProjectReference Include="..\mROA\mROA.csproj" />
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</ItemGroup>
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</Project>
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@@ -0,0 +1,22 @@
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//------------------------------------------------------------------------------
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// <auto-generated>
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// This code was generated by a tool.
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//
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// Changes to this file may cause incorrect behavior and will be lost if
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// the code is regenerated.
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// </auto-generated>
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//------------------------------------------------------------------------------
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using System;
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using System.Reflection;
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[assembly: System.Reflection.AssemblyCompanyAttribute("mROA.Example")]
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[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
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[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
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[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1888db3522e2880c8ef7146ee78cc413905212c4")]
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[assembly: System.Reflection.AssemblyProductAttribute("mROA.Example")]
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[assembly: System.Reflection.AssemblyTitleAttribute("mROA.Example")]
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[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
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// Создано классом WriteCodeFragment MSBuild.
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@@ -0,0 +1,8 @@
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// <auto-generated/>
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global using global::System;
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global using global::System.Collections.Generic;
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global using global::System.IO;
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global using global::System.Linq;
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global using global::System.Net.Http;
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global using global::System.Threading;
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global using global::System.Threading.Tasks;
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@@ -0,0 +1,16 @@
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||||
<?xml version="1.0" encoding="utf-8" standalone="no"?>
|
||||
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
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||||
<RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
|
||||
<RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
|
||||
<ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
|
||||
<NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">$(UserProfile)\.nuget\packages\</NuGetPackageRoot>
|
||||
<NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">C:\Users\Mikhail\.nuget\packages\;C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages</NuGetPackageFolders>
|
||||
<NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
|
||||
<NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.12.0</NuGetToolVersion>
|
||||
</PropertyGroup>
|
||||
<ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
|
||||
<SourceRoot Include="C:\Users\Mikhail\.nuget\packages\" />
|
||||
<SourceRoot Include="C:\Program Files (x86)\Microsoft Visual Studio\Shared\NuGetPackages\" />
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
@@ -0,0 +1,2 @@
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||||
<?xml version="1.0" encoding="utf-8" standalone="no"?>
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||||
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" />
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||||
@@ -0,0 +1,22 @@
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||||
//------------------------------------------------------------------------------
|
||||
// <auto-generated>
|
||||
// This code was generated by a tool.
|
||||
//
|
||||
// Changes to this file may cause incorrect behavior and will be lost if
|
||||
// the code is regenerated.
|
||||
// </auto-generated>
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
using System;
|
||||
using System.Reflection;
|
||||
|
||||
[assembly: System.Reflection.AssemblyCompanyAttribute("mROA.Test")]
|
||||
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
|
||||
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
|
||||
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1888db3522e2880c8ef7146ee78cc413905212c4")]
|
||||
[assembly: System.Reflection.AssemblyProductAttribute("mROA.Test")]
|
||||
[assembly: System.Reflection.AssemblyTitleAttribute("mROA.Test")]
|
||||
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
|
||||
|
||||
// Создано классом WriteCodeFragment MSBuild.
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
// <auto-generated/>
|
||||
global using global::NUnit.Framework;
|
||||
global using global::System;
|
||||
global using global::System.Collections.Generic;
|
||||
global using global::System.IO;
|
||||
global using global::System.Linq;
|
||||
global using global::System.Net.Http;
|
||||
global using global::System.Threading;
|
||||
global using global::System.Threading.Tasks;
|
||||
@@ -0,0 +1,22 @@
|
||||
//------------------------------------------------------------------------------
|
||||
// <auto-generated>
|
||||
// This code was generated by a tool.
|
||||
//
|
||||
// Changes to this file may cause incorrect behavior and will be lost if
|
||||
// the code is regenerated.
|
||||
// </auto-generated>
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
using System;
|
||||
using System.Reflection;
|
||||
|
||||
[assembly: System.Reflection.AssemblyCompanyAttribute("mROA")]
|
||||
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
|
||||
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
|
||||
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+1888db3522e2880c8ef7146ee78cc413905212c4")]
|
||||
[assembly: System.Reflection.AssemblyProductAttribute("mROA")]
|
||||
[assembly: System.Reflection.AssemblyTitleAttribute("mROA")]
|
||||
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
|
||||
|
||||
// Создано классом WriteCodeFragment MSBuild.
|
||||
|
||||
@@ -0,0 +1,15 @@
|
||||
is_global = true
|
||||
build_property.TargetFramework = net9.0
|
||||
build_property.TargetPlatformMinVersion =
|
||||
build_property.UsingMicrosoftNETSdkWeb =
|
||||
build_property.ProjectTypeGuids =
|
||||
build_property.InvariantGlobalization =
|
||||
build_property.PlatformNeutralAssembly =
|
||||
build_property.EnforceExtendedAnalyzerRules =
|
||||
build_property._SupportedPlatformList = Linux,macOS,Windows
|
||||
build_property.RootNamespace = mROA
|
||||
build_property.ProjectDir = C:\Users\Mikhail\Projects\VisualStudioProjects\mROA\mROA\
|
||||
build_property.EnableComHosting =
|
||||
build_property.EnableGeneratedComInterfaceComImportInterop =
|
||||
build_property.EffectiveAnalysisLevelStyle = 9.0
|
||||
build_property.EnableCodeStyleSeverity =
|
||||
@@ -0,0 +1,8 @@
|
||||
// <auto-generated/>
|
||||
global using global::System;
|
||||
global using global::System.Collections.Generic;
|
||||
global using global::System.IO;
|
||||
global using global::System.Linq;
|
||||
global using global::System.Net.Http;
|
||||
global using global::System.Threading;
|
||||
global using global::System.Threading.Tasks;
|
||||
Reference in New Issue
Block a user