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Merged
jjonescz merged 4 commits into from
Mar 9, 2026
Merged

Automatically generate embedded file contents for optimized run-file path #53086

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440ea8e
Automatically generate embedded file contents for optimized run-file …
jjonescz Feb 19, 2026
f727476
Fix typo
jjonescz Feb 19, 2026
4fee247
Merge branch 'release/10.0.3xx' into 53074-sprint-gen
jjonescz Feb 24, 2026
f9c9a99
Merge branch 'release/10.0.3xx' into 53074-sprint-gen
jjonescz Mar 9, 2026
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138 changes: 133 additions & 5 deletions src/Cli/dotnet/Commands/Run/CSharpCompilerCommand.Generated.cs
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Original file line number Diff line number Diff line change
@@ -1,13 +1,14 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Text.Json;

namespace Microsoft.DotNet.Cli.Commands.Run;

// Generated by test `RunFileTests.CscArguments`.
partial class CSharpCompilerCommand
{
private IEnumerable<string> GetCscArguments(
string fileNameWithoutExtension,
string objDir,
string binDir)
{
Expand All @@ -29,24 +30,24 @@ .. GetFrameworkReferenceArguments(),
"/debug:portable",
"/filealign:512",
"/optimize-",
$"/out:{binDir}/{fileNameWithoutExtension}.dll",
$"/out:{binDir}/{FileNameWithoutExtension}.dll",
"/target:exe",
"/warnaserror-",
"/utf8output",
"/deterministic+",
"/langversion:14.0",
"/features:FileBasedProgram",
$"/analyzerconfig:{objDir}/{fileNameWithoutExtension}.GeneratedMSBuildEditorConfig.editorconfig",
$"/analyzerconfig:{objDir}/{FileNameWithoutExtension}.GeneratedMSBuildEditorConfig.editorconfig",
$"/analyzerconfig:{SdkPath}/Sdks/Microsoft.NET.Sdk/analyzers/build/config/analysislevel_10_default.globalconfig",
$"/analyzer:{SdkPath}/Sdks/Microsoft.NET.Sdk/targets/../analyzers/Microsoft.CodeAnalysis.CSharp.NetAnalyzers.dll",
$"/analyzer:{SdkPath}/Sdks/Microsoft.NET.Sdk/targets/../analyzers/Microsoft.CodeAnalysis.NetAnalyzers.dll",
$"/analyzer:{NuGetCachePath}/microsoft.net.illink.tasks/{RuntimeVersion}/analyzers/dotnet/cs/ILLink.CodeFixProvider.dll",
$"/analyzer:{NuGetCachePath}/microsoft.net.illink.tasks/{RuntimeVersion}/analyzers/dotnet/cs/ILLink.RoslynAnalyzer.dll",
.. GetFrameworkAnalyzerArguments(),
$"{EntryPointFileFullPath}",
$"{objDir}/{fileNameWithoutExtension}.GlobalUsings.g.cs",
$"{objDir}/{FileNameWithoutExtension}.GlobalUsings.g.cs",
$"{objDir}/.NETCoreApp,Version=v10.0.AssemblyAttributes.cs",
$"{objDir}/{fileNameWithoutExtension}.AssemblyInfo.cs",
$"{objDir}/{FileNameWithoutExtension}.AssemblyInfo.cs",
"/warnaserror+:NU1605,SYSLIB0011",
];
}
Expand All @@ -62,4 +63,131 @@ public static IEnumerable<string> GetPathsOfCscInputsFromNuGetCache()
$"{NuGetCachePath}/microsoft.net.illink.tasks/{RuntimeVersion}/analyzers/dotnet/cs/ILLink.RoslynAnalyzer.dll",
];
}

private string GetRuntimeConfigContent()
{
return $$"""
{
"runtimeOptions": {
"tfm": {{JsonSerializer.Serialize(TargetFramework)}},
"framework": {
"name": "Microsoft.NETCore.App",
"version": {{JsonSerializer.Serialize(DefaultRuntimeVersion)}}
},
"configProperties": {
"EntryPointFilePath": {{JsonSerializer.Serialize(EntryPointFileFullPath)}},
"EntryPointFileDirectoryPath": {{JsonSerializer.Serialize(BaseDirectory)}},
"Microsoft.Extensions.DependencyInjection.VerifyOpenGenericServiceTrimmability": true,
"System.ComponentModel.DefaultValueAttribute.IsSupported": false,
"System.ComponentModel.Design.IDesignerHost.IsSupported": false,
"System.ComponentModel.TypeConverter.EnableUnsafeBinaryFormatterInDesigntimeLicenseContextSerialization": false,
"System.ComponentModel.TypeDescriptor.IsComObjectDescriptorSupported": false,
"System.Data.DataSet.XmlSerializationIsSupported": false,
"System.Diagnostics.Tracing.EventSource.IsSupported": false,
"System.Linq.Enumerable.IsSizeOptimized": true,
"System.Net.SocketsHttpHandler.Http3Support": false,
"System.Reflection.Metadata.MetadataUpdater.IsSupported": false,
"System.Resources.ResourceManager.AllowCustomResourceTypes": false,
"System.Resources.UseSystemResourceKeys": false,
"System.Runtime.CompilerServices.RuntimeFeature.IsDynamicCodeSupported": false,
"System.Runtime.InteropServices.BuiltInComInterop.IsSupported": false,
"System.Runtime.InteropServices.EnableConsumingManagedCodeFromNativeHosting": false,
"System.Runtime.InteropServices.EnableCppCLIHostActivation": false,
"System.Runtime.InteropServices.Marshalling.EnableGeneratedComInterfaceComImportInterop": false,
"System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false,
"System.StartupHookProvider.IsSupported": false,
"System.Text.Encoding.EnableUnsafeUTF7Encoding": false,
"System.Text.Json.JsonSerializer.IsReflectionEnabledByDefault": false,
"System.Threading.Thread.EnableAutoreleasePool": false,
"System.Linq.Expressions.CanEmitObjectArrayDelegate": false
}
}
}
""";
}

private string GetAssemblyAttributesContent()
{
return $"""
// <autogenerated />
using System;
using System.Reflection;
[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v{TargetFrameworkVersion}", FrameworkDisplayName = ".NET {TargetFrameworkVersion}")]

""";
}

private string GetAssemblyInfoContent()
{
return $"""
//------------------------------------------------------------------------------
// <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("{FileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
[assembly: System.Reflection.AssemblyProductAttribute("{FileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyTitleAttribute("{FileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

// Generated by the MSBuild WriteCodeFragment class.


""";
}

private string GetGeneratedMSBuildEditorConfigContent()
{
return $"""
is_global = true
build_property.EnableAotAnalyzer = true
build_property.EnableSingleFileAnalyzer = true
build_property.EnableTrimAnalyzer = true
build_property.IncludeAllContentForSelfExtract =
build_property.VerifyReferenceTrimCompatibility =
build_property.VerifyReferenceAotCompatibility =
build_property.TargetFramework = net{TargetFrameworkVersion}
build_property.TargetFrameworkIdentifier = .NETCoreApp
build_property.TargetFrameworkVersion = v{TargetFrameworkVersion}
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 = {FileNameWithoutExtension}
build_property.ProjectDir = {BaseDirectoryWithTrailingSeparator}
build_property.EnableComHosting =
build_property.EnableGeneratedComInterfaceComImportInterop = false
build_property.EffectiveAnalysisLevelStyle = {TargetFrameworkVersion}
build_property.EnableCodeStyleSeverity =

""";
}

private string GetGlobalUsingsContent()
{
return """
// <auto-generated/>
global using System;
global using System.Collections.Generic;
global using System.IO;
global using System.Linq;
global using System.Net.Http;
global using System.Threading;
global using System.Threading.Tasks;

""";
}
}
135 changes: 16 additions & 119 deletions src/Cli/dotnet/Commands/Run/CSharpCompilerCommand.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -45,14 +45,17 @@ internal sealed partial class CSharpCompilerCommand
private static string ClientDirectory => field ??= Path.Combine(SdkPath, "Roslyn", "bincore");
private static string NuGetCachePath => field ??= SettingsUtility.GetGlobalPackagesFolder(Settings.LoadDefaultSettings(null));
internal static string RuntimeVersion => field ??= RuntimeInformation.FrameworkDescription.Split(' ').Last();
private static string DefaultRuntimeVersion => field ??= GetDefaultRuntimeVersion();
private static string TargetFrameworkVersion => Product.TargetFrameworkVersion;
internal static string DefaultRuntimeVersion => field ??= GetDefaultRuntimeVersion();
internal static string TargetFrameworkVersion => Product.TargetFrameworkVersion;
internal static string TargetFramework => field ??= $"net{TargetFrameworkVersion}";

public required string EntryPointFileFullPath { get; init; }
public required string ArtifactsPath { get; init; }
public required bool CanReuseAuxiliaryFiles { get; init; }

public string BaseDirectory => field ??= Path.GetDirectoryName(EntryPointFileFullPath)!;
internal string BaseDirectoryWithTrailingSeparator => field ??= BaseDirectory + Path.DirectorySeparatorChar;
internal string FileNameWithoutExtension => field ??= Path.GetFileNameWithoutExtension(EntryPointFileFullPath);

/// <summary>
/// Compiler command line arguments to use. If empty, default arguments are used.
Expand Down Expand Up @@ -209,9 +212,6 @@ private void PrepareAuxiliaryFiles(out string rspPath)
return;
}

string fileDirectory = Path.GetDirectoryName(EntryPointFileFullPath) ?? string.Empty;
string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(EntryPointFileFullPath);

// Note that Release builds won't go through this optimized code path because `-c Release` translates to global property `Configuration=Release`
// and customizing global properties triggers a full MSBuild run.
string objDir = Path.Join(ArtifactsPath, "obj", "debug");
Expand All @@ -222,151 +222,48 @@ private void PrepareAuxiliaryFiles(out string rspPath)
string assemblyAttributes = Path.Join(objDir, $".NETCoreApp,Version=v{TargetFrameworkVersion}.AssemblyAttributes.cs");
if (ShouldEmit(assemblyAttributes))
{
File.WriteAllText(assemblyAttributes, /* lang=C#-test */ $"""
// <autogenerated />
using System;
using System.Reflection;
[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v{TargetFrameworkVersion}", FrameworkDisplayName = ".NET {TargetFrameworkVersion}")]

""");
File.WriteAllText(assemblyAttributes, GetAssemblyAttributesContent());
}

string globalUsings = Path.Join(objDir, $"{fileNameWithoutExtension}.GlobalUsings.g.cs");
string globalUsings = Path.Join(objDir, $"{FileNameWithoutExtension}.GlobalUsings.g.cs");
if (ShouldEmit(globalUsings))
{
File.WriteAllText(globalUsings, /* lang=C#-test */ """
// <auto-generated/>
global using System;
global using System.Collections.Generic;
global using System.IO;
global using System.Linq;
global using System.Net.Http;
global using System.Threading;
global using System.Threading.Tasks;

""");
File.WriteAllText(globalUsings, GetGlobalUsingsContent());
}

string assemblyInfo = Path.Join(objDir, $"{fileNameWithoutExtension}.AssemblyInfo.cs");
string assemblyInfo = Path.Join(objDir, $"{FileNameWithoutExtension}.AssemblyInfo.cs");
if (ShouldEmit(assemblyInfo))
{
File.WriteAllText(assemblyInfo, /* lang=C#-test */ $"""
//------------------------------------------------------------------------------
// <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("{fileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0")]
[assembly: System.Reflection.AssemblyProductAttribute("{fileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyTitleAttribute("{fileNameWithoutExtension}")]
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]

// Generated by the MSBuild WriteCodeFragment class.


""");
File.WriteAllText(assemblyInfo, GetAssemblyInfoContent());
}

string editorconfig = Path.Join(objDir, $"{fileNameWithoutExtension}.GeneratedMSBuildEditorConfig.editorconfig");
string editorconfig = Path.Join(objDir, $"{FileNameWithoutExtension}.GeneratedMSBuildEditorConfig.editorconfig");
if (ShouldEmit(editorconfig))
{
File.WriteAllText(editorconfig, $"""
is_global = true
build_property.EnableAotAnalyzer = true
build_property.EnableSingleFileAnalyzer = true
build_property.EnableTrimAnalyzer = true
build_property.IncludeAllContentForSelfExtract =
build_property.VerifyReferenceTrimCompatibility =
build_property.VerifyReferenceAotCompatibility =
build_property.TargetFramework = net{TargetFrameworkVersion}
build_property.TargetFrameworkIdentifier = .NETCoreApp
build_property.TargetFrameworkVersion = v{TargetFrameworkVersion}
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 = {fileNameWithoutExtension}
build_property.ProjectDir = {fileDirectory}{Path.DirectorySeparatorChar}
build_property.EnableComHosting =
build_property.EnableGeneratedComInterfaceComImportInterop = false
build_property.EffectiveAnalysisLevelStyle = {TargetFrameworkVersion}
build_property.EnableCodeStyleSeverity =

""");
File.WriteAllText(editorconfig, GetGeneratedMSBuildEditorConfigContent());
}

var apphostTarget = Path.Join(binDir, $"{fileNameWithoutExtension}{FileNameSuffixes.CurrentPlatform.Exe}");
var apphostTarget = Path.Join(binDir, $"{FileNameWithoutExtension}{FileNameSuffixes.CurrentPlatform.Exe}");
if (ShouldEmit(apphostTarget))
{
var rid = RuntimeInformation.RuntimeIdentifier;
var apphostSource = Path.Join(SdkPath, "..", "..", "packs", $"Microsoft.NETCore.App.Host.{rid}", RuntimeVersion, "runtimes", rid, "native", $"apphost{FileNameSuffixes.CurrentPlatform.Exe}");
HostWriter.CreateAppHost(
appHostSourceFilePath: apphostSource,
appHostDestinationFilePath: apphostTarget,
appBinaryFilePath: $"{fileNameWithoutExtension}.dll",
appBinaryFilePath: $"{FileNameWithoutExtension}.dll",
enableMacOSCodeSign: OperatingSystem.IsMacOS());
}

var runtimeConfig = Path.Join(binDir, $"{fileNameWithoutExtension}{FileNameSuffixes.RuntimeConfigJson}");
var runtimeConfig = Path.Join(binDir, $"{FileNameWithoutExtension}{FileNameSuffixes.RuntimeConfigJson}");
if (ShouldEmit(runtimeConfig))
{
File.WriteAllText(runtimeConfig, $$"""
{
"runtimeOptions": {
"tfm": "net{{TargetFrameworkVersion}}",
"framework": {
"name": "Microsoft.NETCore.App",
"version": {{JsonSerializer.Serialize(DefaultRuntimeVersion)}}
},
"configProperties": {
"EntryPointFilePath": {{JsonSerializer.Serialize(EntryPointFileFullPath)}},
"EntryPointFileDirectoryPath": {{JsonSerializer.Serialize(fileDirectory)}},
"Microsoft.Extensions.DependencyInjection.VerifyOpenGenericServiceTrimmability": true,
"System.ComponentModel.DefaultValueAttribute.IsSupported": false,
"System.ComponentModel.Design.IDesignerHost.IsSupported": false,
"System.ComponentModel.TypeConverter.EnableUnsafeBinaryFormatterInDesigntimeLicenseContextSerialization": false,
"System.ComponentModel.TypeDescriptor.IsComObjectDescriptorSupported": false,
"System.Data.DataSet.XmlSerializationIsSupported": false,
"System.Diagnostics.Tracing.EventSource.IsSupported": false,
"System.Linq.Enumerable.IsSizeOptimized": true,
"System.Net.SocketsHttpHandler.Http3Support": false,
"System.Reflection.Metadata.MetadataUpdater.IsSupported": false,
"System.Resources.ResourceManager.AllowCustomResourceTypes": false,
"System.Resources.UseSystemResourceKeys": false,
"System.Runtime.CompilerServices.RuntimeFeature.IsDynamicCodeSupported": false,
"System.Runtime.InteropServices.BuiltInComInterop.IsSupported": false,
"System.Runtime.InteropServices.EnableConsumingManagedCodeFromNativeHosting": false,
"System.Runtime.InteropServices.EnableCppCLIHostActivation": false,
"System.Runtime.InteropServices.Marshalling.EnableGeneratedComInterfaceComImportInterop": false,
"System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false,
"System.StartupHookProvider.IsSupported": false,
"System.Text.Encoding.EnableUnsafeUTF7Encoding": false,
"System.Text.Json.JsonSerializer.IsReflectionEnabledByDefault": false,
"System.Threading.Thread.EnableAutoreleasePool": false,
"System.Linq.Expressions.CanEmitObjectArrayDelegate": false
}
}
}
""");
File.WriteAllText(runtimeConfig, GetRuntimeConfigContent());
}

if (ShouldEmit(rspPath))
{
IEnumerable<string> args = GetCscArguments(
fileNameWithoutExtension: fileNameWithoutExtension,
objDir: objDir,
binDir: binDir);

Expand Down
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