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John Luo
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Merge branch 'master' of ..\aspnetcore-tooling2\
2 parents 07bab03 + 4bdf89b commit 7b56497

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‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/AssemblyInfo.cs

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[assembly: BenchmarkDotNet.Attributes.AspNetCoreBenchmark]

‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/CodeGenerationBenchmark.cs

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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.IO;
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using BenchmarkDotNet.Attributes;
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using Microsoft.AspNetCore.Mvc.Razor.Extensions;
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using Microsoft.AspNetCore.Razor.Language;
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namespace Microsoft.AspNetCore.Razor.Performance
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{
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public class CodeGenerationBenchmark
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{
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public CodeGenerationBenchmark()
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{
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var current = new DirectoryInfo(AppContext.BaseDirectory);
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while (current != null && !File.Exists(Path.Combine(current.FullName, "MSN.cshtml")))
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{
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current = current.Parent;
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}
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var root = current;
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var fileSystem = RazorProjectFileSystem.Create(root.FullName);
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ProjectEngine = RazorProjectEngine.Create(RazorConfiguration.Default, fileSystem, b => RazorExtensions.Register(b)); ;
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MSN = fileSystem.GetItem(Path.Combine(root.FullName, "MSN.cshtml"), FileKinds.Legacy);
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}
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public RazorProjectEngine ProjectEngine { get; }
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public RazorProjectItem MSN { get; }
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[Benchmark(Description = "Razor Design Time Code Generation of MSN.com")]
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public void CodeGeneration_DesignTime_LargeStaticFile()
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{
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var codeDocument = ProjectEngine.ProcessDesignTime(MSN);
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var generated = codeDocument.GetCSharpDocument();
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if (generated.Diagnostics.Count != 0)
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{
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throw new Exception("Error!" + Environment.NewLine + string.Join(Environment.NewLine, generated.Diagnostics));
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}
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}
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[Benchmark(Description = "Razor Runtime Code Generation of MSN.com")]
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public void CodeGeneration_Runtime_LargeStaticFile()
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{
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var codeDocument = ProjectEngine.Process(MSN);
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var generated = codeDocument.GetCSharpDocument();
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if (generated.Diagnostics.Count != 0)
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{
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throw new Exception("Error!" + Environment.NewLine + string.Join(Environment.NewLine, generated.Diagnostics));
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}
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}
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}
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}

‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/MSN.cshtml

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‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/Microsoft.AspNetCore.Razor.Performance.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netcoreapp2.1</TargetFramework>
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<OutputType>Exe</OutputType>
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<ServerGarbageCollection>true</ServerGarbageCollection>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<IsPackable>false</IsPackable>
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<ExcludeFromSourceBuild>true</ExcludeFromSourceBuild>
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</PropertyGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\Microsoft.AspNetCore.Mvc.Razor.Extensions\Microsoft.AspNetCore.Mvc.Razor.Extensions.csproj" />
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<ProjectReference Include="..\..\src\Microsoft.CodeAnalysis.Razor.Workspaces\Microsoft.CodeAnalysis.Razor.Workspaces.csproj" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="..\..\src\Microsoft.VisualStudio.LanguageServices.Razor\Serialization\*.cs">
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<Link>Serialization\%(FileName)%(Extension)</Link>
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</Compile>
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<Compile Include="..\..\test\Microsoft.CodeAnalysis.Razor.Workspaces.Test.Common\TestServices.cs">
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<Link>TestServices\%(FileName)%(Extension)</Link>
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</Compile>
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<Compile Include="..\..\test\Microsoft.CodeAnalysis.Razor.Workspaces.Test.Common\TestWorkspace.cs">
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<Link>TestServices\%(FileName)%(Extension)</Link>
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</Compile>
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<Compile Include="..\..\test\Microsoft.CodeAnalysis.Razor.Workspaces.Test.Common\TestLanguageServices.cs">
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<Link>TestServices\%(FileName)%(Extension)</Link>
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</Compile>
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<Compile Include="..\..\test\Microsoft.CodeAnalysis.Razor.Workspaces.Test.Common\TestWorkspaceServices.cs">
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<Link>TestServices\%(FileName)%(Extension)</Link>
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</Compile>
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="$(BenchmarkDotNetPackageVersion)" />
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<PackageReference Include="Newtonsoft.Json" Version="$(NewtonsoftJsonPackageVersion)" />
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<PackageReference Include="Microsoft.AspNetCore.BenchmarkRunner.Sources" Version="$(MicrosoftAspNetCoreBenchmarkRunnerSourcesPackageVersion)" />
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</ItemGroup>
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</Project>

‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/BackgroundCodeGenerationBenchmark.cs

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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using BenchmarkDotNet.Attributes;
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using Microsoft.CodeAnalysis.Razor.ProjectSystem;
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namespace Microsoft.AspNetCore.Razor.Performance
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{
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public class BackgroundCodeGenerationBenchmark : ProjectSnapshotManagerBenchmarkBase
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{
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[IterationSetup]
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public void Setup()
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{
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SnapshotManager = CreateProjectSnapshotManager();
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SnapshotManager.ProjectAdded(HostProject);
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SnapshotManager.Changed += SnapshotManager_Changed;
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}
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[IterationCleanup]
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public void Cleanup()
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{
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SnapshotManager.Changed -= SnapshotManager_Changed;
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Tasks.Clear();
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}
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private List<Task> Tasks { get; } = new List<Task>();
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private DefaultProjectSnapshotManager SnapshotManager { get; set; }
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[Benchmark(Description = "Generates the code for 100 files", OperationsPerInvoke = 100)]
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public async Task BackgroundCodeGeneration_Generate100Files()
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{
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for (var i = 0; i < Documents.Length; i++)
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{
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SnapshotManager.DocumentAdded(HostProject, Documents[i], TextLoaders[i % 4]);
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}
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await Task.WhenAll(Tasks);
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}
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private void SnapshotManager_Changed(object sender, ProjectChangeEventArgs e)
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{
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// The real work happens here.
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var project = SnapshotManager.GetLoadedProject(e.ProjectFilePath);
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var document = project.GetDocument(e.DocumentFilePath);
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Tasks.Add(document.GetGeneratedOutputAsync());
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}
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}
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}

‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectLoadBenchmark.cs

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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using BenchmarkDotNet.Attributes;
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using Microsoft.CodeAnalysis.Razor.ProjectSystem;
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namespace Microsoft.AspNetCore.Razor.Performance
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{
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public class ProjectLoadBenchmark : ProjectSnapshotManagerBenchmarkBase
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{
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[IterationSetup]
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public void Setup()
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{
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SnapshotManager = CreateProjectSnapshotManager();
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}
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private DefaultProjectSnapshotManager SnapshotManager { get; set; }
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[Benchmark(Description = "Initializes a project and 100 files", OperationsPerInvoke = 100)]
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public void ProjectLoad_AddProjectAnd100Files()
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{
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SnapshotManager.ProjectAdded(HostProject);
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for (var i= 0; i < Documents.Length; i++)
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{
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SnapshotManager.DocumentAdded(HostProject, Documents[i], TextLoaders[i % 4]);
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}
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}
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}
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}

‎src/Razor/perf/Microsoft.AspNetCore.Razor.Performance/ProjectSystem/ProjectSnapshotManagerBenchmarkBase.cs

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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Mvc.Razor.Extensions;
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using Microsoft.AspNetCore.Razor.Language;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.Host;
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using Microsoft.CodeAnalysis.Razor;
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using Microsoft.CodeAnalysis.Razor.ProjectSystem;
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using Microsoft.CodeAnalysis.Razor.Serialization;
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using Microsoft.CodeAnalysis.Text;
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using Microsoft.VisualStudio.LanguageServices.Razor.Serialization;
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using Newtonsoft.Json;
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namespace Microsoft.AspNetCore.Razor.Performance
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{
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public class ProjectSnapshotManagerBenchmarkBase
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{
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public ProjectSnapshotManagerBenchmarkBase()
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{
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var current = new DirectoryInfo(AppContext.BaseDirectory);
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while (current != null && !File.Exists(Path.Combine(current.FullName, "Razor.sln")))
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{
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current = current.Parent;
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}
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var root = current;
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var projectRoot = Path.Combine(root.FullName, "test", "testapps", "LargeProject");
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HostProject = new HostProject(Path.Combine(projectRoot, "LargeProject.csproj"), FallbackRazorConfiguration.MVC_2_1, rootNamespace: null);
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TextLoaders = new TextLoader[4];
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for (var i = 0; i < 4; i++)
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{
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var filePath = Path.Combine(projectRoot, "Views", "Home", $"View00{i % 4}.cshtml");
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var text = SourceText.From(filePath, encoding: null);
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TextLoaders[i] = TextLoader.From(TextAndVersion.Create(text, VersionStamp.Create()));
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}
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Documents = new HostDocument[100];
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for (var i = 0; i < Documents.Length; i++)
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{
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var filePath = Path.Combine(projectRoot, "Views", "Home", $"View00{i % 4}.cshtml");
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Documents[i] = new HostDocument(filePath, $"/Views/Home/View00{i}.cshtml", FileKinds.Legacy);
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}
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var tagHelpers = Path.Combine(root.FullName, "benchmarks", "Microsoft.AspNetCore.Razor.Performance", "taghelpers.json");
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TagHelperResolver = new StaticTagHelperResolver(ReadTagHelpers(tagHelpers));
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}
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internal HostProject HostProject { get; }
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internal HostDocument[] Documents { get; }
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internal TextLoader[] TextLoaders { get; }
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internal TagHelperResolver TagHelperResolver { get; }
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internal DefaultProjectSnapshotManager CreateProjectSnapshotManager()
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{
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var services = TestServices.Create(
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new IWorkspaceService[]
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{
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TagHelperResolver,
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new StaticProjectSnapshotProjectEngineFactory(),
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},
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new ILanguageService[]
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{
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});
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return new DefaultProjectSnapshotManager(
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new TestForegroundDispatcher(),
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new TestErrorReporter(),
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Array.Empty<ProjectSnapshotChangeTrigger>(),
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new AdhocWorkspace(services));
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}
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private static IReadOnlyList<TagHelperDescriptor> ReadTagHelpers(string filePath)
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{
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var serializer = new JsonSerializer();
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serializer.Converters.Add(new RazorDiagnosticJsonConverter());
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serializer.Converters.Add(new TagHelperDescriptorJsonConverter());
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using (var reader = new JsonTextReader(File.OpenText(filePath)))
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{
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return serializer.Deserialize<IReadOnlyList<TagHelperDescriptor>>(reader);
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}
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}
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private class TestForegroundDispatcher : ForegroundDispatcher
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{
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public override bool IsForegroundThread => true;
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public override TaskScheduler ForegroundScheduler => TaskScheduler.Default;
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public override TaskScheduler BackgroundScheduler => TaskScheduler.Default;
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}
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private class TestErrorReporter : ErrorReporter
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{
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public override void ReportError(Exception exception)
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{
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}
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public override void ReportError(Exception exception, ProjectSnapshot project)
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{
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}
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public override void ReportError(Exception exception, Project workspaceProject)
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{
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}
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}
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private class StaticTagHelperResolver : TagHelperResolver
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{
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private readonly IReadOnlyList<TagHelperDescriptor> _tagHelpers;
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public StaticTagHelperResolver(IReadOnlyList<TagHelperDescriptor> tagHelpers)
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{
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this._tagHelpers = tagHelpers;
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}
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public override Task<TagHelperResolutionResult> GetTagHelpersAsync(Project project, ProjectSnapshot projectSnapshot, CancellationToken cancellationToken = default)
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{
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return Task.FromResult(new TagHelperResolutionResult(_tagHelpers, Array.Empty<RazorDiagnostic>()));
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}
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}
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private class StaticProjectSnapshotProjectEngineFactory : ProjectSnapshotProjectEngineFactory
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{
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public override IProjectEngineFactory FindFactory(ProjectSnapshot project)
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{
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throw new NotImplementedException();
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}
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public override IProjectEngineFactory FindSerializableFactory(ProjectSnapshot project)
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{
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throw new NotImplementedException();
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}
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public override RazorProjectEngine Create(RazorConfiguration configuration, RazorProjectFileSystem fileSystem, Action<RazorProjectEngineBuilder> configure)
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{
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return RazorProjectEngine.Create(configuration, fileSystem, b =>
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{
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RazorExtensions.Register(b);
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});
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}
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}
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}
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}

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