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Add new Mosa.Utility.CreateCoreLib tool (#1234)
* Add new Mosa.Tool.CreateCoreLib tool Signed-off-by: AnErrupTion <[email protected]> * Rename to Mosa.Utility.CreateCoreLib Signed-off-by: AnErrupTion <[email protected]> --------- Signed-off-by: AnErrupTion <[email protected]>
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Source/Mosa.Utility.CreateCoreLib/Mosa.Utility.CreateCoreLib.csproj
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <Nullable>enable</Nullable> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="CommandLineParser" Version="2.9.1" /> | ||
| <PackageReference Include="ICSharpCode.Decompiler" Version="8.2.0.7535" /> | ||
| <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| using CommandLine; | ||
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| namespace Mosa.Utility.CreateCoreLib; | ||
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| public class Options | ||
| { | ||
| [Option('o', "output", Required = true, HelpText = "Sets the output directory.")] | ||
| public string? OutputDirectory { get; set; } | ||
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| [Option('c', "copy-files", Required = false, HelpText = "If enabled, only copies and patches the source files and stops.")] | ||
| public bool CopyFiles { get; set; } | ||
| } |
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| using System.Diagnostics; | ||
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| namespace Mosa.Utility.CreateCoreLib; | ||
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| /// <summary> | ||
| /// A custom patch system. It isn't designed to be particularly fast, but is rather designed with the simplicity of a singular patch in mind. | ||
| /// </summary> | ||
| public static class Patcher | ||
| { | ||
| /* | ||
| * Modes: | ||
| * rs - [r]emove line if it [s]tarts with str1 | ||
| * R - [R]eplace all occurences of str1 with str2 | ||
| */ | ||
| public record PatchRecord(string File, string Mode, string Str1, string? Str2); | ||
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| // First round of patches before compilation (i.e. with files directly from the repository), they use paths relative to the current directory. | ||
| // The reference API source files weren't designed to be compiled as-is, so they have to be patched very lightly. | ||
| public static readonly PatchRecord[] FirstPatches = | ||
| [ | ||
| new PatchRecord("runtime/src/libraries/System.DirectoryServices/ref/System.DirectoryServices.manual.cs", "rs", "[assembly: TypeForwardedTo(", null), | ||
| new PatchRecord("runtime/src/libraries/System.Net.Http.Json/ref/System.Net.Http.Json.cs", "R", "protected override bool TryComputeLength", "protected internal override bool TryComputeLength"), | ||
| new PatchRecord("runtime/src/libraries/System.Net.Http.WinHttpHandler/ref/System.Net.Http.WinHttpHandler.cs", "R", "protected override System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage> SendAsync", "protected internal override System.Threading.Tasks.Task<System.Net.Http.HttpResponseMessage> SendAsync"), | ||
| new PatchRecord("runtime/src/libraries/System.Data.Common/ref/System.Data.Common.cs", "R", "protected override System.Xml.XPath.XPathNavigator? CreateNavigator", "protected internal override System.Xml.XPath.XPathNavigator? CreateNavigator"), | ||
| new PatchRecord("runtime/src/libraries/System.Configuration.ConfigurationManager/ref/System.Configuration.ConfigurationManager.cs", "R", "[System.ObsoleteAttribute(System.Obsoletions.BinaryFormatterMessage + @\"", "[System.ObsoleteAttribute(\"BinaryFormatter serialization is obsolete and should not be used. See https://aka.ms/binaryformatter for more information") | ||
| ]; | ||
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| // Second round of patches after decompilation, they use paths relative to the output directory. | ||
| // The code produced by ICSharpCode's decompiler isn't perfected, and isn't designed to be compiled directly either. | ||
| // While it requires a bit more patching than before, it still isn't a dramatic amount of patches. | ||
| public static readonly PatchRecord[] SecondPatches = | ||
| [ | ||
| new PatchRecord("System.Collections.Generic/PriorityQueue.cs", "R", "IEnumerator<(TElement, TPriority)>", "IEnumerator<(TElement Element, TPriority Priority)>"), | ||
| new PatchRecord("System.Collections.Generic/PriorityQueue.cs", "R", "IEnumerable<(TElement, TPriority)>", "IEnumerable<(TElement Element, TPriority Priority)>"), | ||
| new PatchRecord("System/Nullable.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System/ReadOnlySpan.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.InteropServices/Marshal.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.InteropServices/MemoryMarshal.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.CompilerServices/Unsafe.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Numerics/Vector.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.Intrinsics/Vector64.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.Intrinsics/Vector128.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.Intrinsics/Vector256.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Runtime.Intrinsics/Vector512.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Threading/Volatile.cs", "R", "[RequiresLocation]", string.Empty), | ||
| new PatchRecord("System.Threading/Interlocked.cs", "R", "[RequiresLocation]", string.Empty) | ||
| ]; | ||
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| public static string Patch(PatchRecord patch, string path = "") | ||
| { | ||
| var file = !string.IsNullOrEmpty(path) ? Path.Combine(path, patch.File) : patch.File; | ||
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| switch (patch.Mode) | ||
| { | ||
| case "rs": | ||
| { | ||
| var code = File.ReadAllLines(file).ToList(); | ||
| var temp = code[..]; | ||
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| foreach (var line in temp) | ||
| if (line.StartsWith(patch.Str1)) | ||
| code.Remove(line); | ||
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| return string.Join('\n', code); | ||
| } | ||
| case "R": return File.ReadAllText(file).Replace(patch.Str1, patch.Str2); | ||
| } | ||
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| throw new UnreachableException(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,124 @@ | ||
| using System.Diagnostics; | ||
| using CommandLine; | ||
| using ICSharpCode.Decompiler.CSharp.ProjectDecompiler; | ||
| using ICSharpCode.Decompiler.Metadata; | ||
| using Microsoft.CodeAnalysis; | ||
| using Microsoft.CodeAnalysis.CSharp; | ||
| using Mosa.Utility.CreateCoreLib; | ||
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| var options = Parser.Default.ParseArguments<Options>(args).Value; | ||
| if (options == null) return; | ||
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| var outputDirectory = options.OutputDirectory; | ||
| var copyFiles = options.CopyFiles; | ||
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| if (string.IsNullOrEmpty(outputDirectory)) | ||
| { | ||
| Console.WriteLine("Invalid output directory. Usage: Mosa.Utility.CreateCoreLib --output/-o <directory>"); | ||
| return; | ||
| } | ||
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| Directory.CreateDirectory(outputDirectory); | ||
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| if (!Directory.Exists("runtime")) | ||
| { | ||
| Console.WriteLine("Cloning .NET runtime GitHub repository..."); | ||
| Process.Start("git", "clone https://github.com/dotnet/runtime -b release/8.0 --depth=1")?.WaitForExit(); | ||
| } | ||
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| Console.WriteLine(copyFiles ? "Copying files..." : "Parsing input files..."); | ||
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| var syntaxTrees = new List<SyntaxTree>(); | ||
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| foreach (var folder in Directory.EnumerateDirectories(Path.Combine("runtime", "src", "libraries"))) | ||
| { | ||
| // We don't need those namespaces so we exclude them. | ||
| if (folder.Contains("Microsoft.Bcl.") || folder.Contains("Microsoft.Extensions.")) continue; | ||
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| var refDirectory = Path.Combine(folder, "ref"); | ||
| if (!Directory.Exists(refDirectory)) | ||
| continue; | ||
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| foreach (var file in Directory.GetFiles(refDirectory, "*.cs")) | ||
| { | ||
| // All of these files contain "type forwards", which basically forward certain types to other assemblies. | ||
| // Since we have a monolithic assembly, we can safely ignore those (though we'll still have to patch a few). | ||
| // They also cause compilation errors because they're not designed to be compiled, so removing them is a must. | ||
| if (file.EndsWith(".Forwards.cs") || file.EndsWith(".netframework.cs") || file.EndsWith(".TypeForwards.cs") | ||
| || file.Contains(".Typeforwards.")) | ||
| continue; | ||
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| var fileName = Path.GetFileName(file); | ||
| string? text = null; | ||
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| var patch = Patcher.FirstPatches.FirstOrDefault(x => file.EndsWith(x.File)); | ||
| if (patch != default) | ||
| { | ||
| Console.WriteLine($"Patching {fileName}..."); | ||
| text = Patcher.Patch(patch); | ||
| } | ||
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| if (copyFiles) | ||
| { | ||
| var outputPath = Path.Combine(outputDirectory, fileName); | ||
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| if (text != null) | ||
| File.WriteAllText(outputPath, text); | ||
| else | ||
| File.Copy(file, outputPath, true); | ||
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| continue; | ||
| } | ||
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| text ??= File.ReadAllText(file); | ||
| syntaxTrees.Add(CSharpSyntaxTree.ParseText(text, new CSharpParseOptions(preprocessorSymbols: ["NETCOREAPP"]))); | ||
| } | ||
| } | ||
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| if (copyFiles) return; | ||
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| var compilation = CSharpCompilation.Create("System.Runtime", syntaxTrees, null, | ||
| new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, allowUnsafe: true)); | ||
| var outputFile = compilation.AssemblyName + ".dll"; | ||
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| Console.WriteLine("Compiling source files..."); | ||
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| using (var stream = File.OpenWrite("System.Runtime.dll")) | ||
| { | ||
| var result = compilation.Emit(stream); | ||
| if (!result.Success) | ||
| { | ||
| var failures = result.Diagnostics | ||
| .Where(diagnostic => diagnostic.IsWarningAsError || diagnostic.Severity == DiagnosticSeverity.Error); | ||
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| foreach (var diagnostic in failures) | ||
| Console.WriteLine($"{diagnostic.Id}: {diagnostic.GetMessage()}"); | ||
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| return; | ||
| } | ||
| } | ||
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| Console.WriteLine("Decompiling assembly..."); | ||
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| var module = new PEFile(outputFile); | ||
| var resolver = new UniversalAssemblyResolver(outputFile, true, module.Metadata.DetectTargetFrameworkId()); | ||
| var decompiler = new WholeProjectDecompiler(resolver); | ||
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| decompiler.DecompileProject(module, outputDirectory); | ||
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| // We don't need the project file because we should already have one. Even if it's missing, it's trivial to create. | ||
| Console.WriteLine("Removing project file..."); | ||
| File.Delete(Path.Combine(outputDirectory, Path.ChangeExtension(outputFile, "csproj"))); | ||
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| // The assembly will generate its own assembly information at compile time, so we don't need to pre-define it. | ||
| Console.WriteLine("Removing Properties folder..."); | ||
| Directory.Delete(Path.Combine(outputDirectory, "Properties"), true); | ||
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| foreach (var patch in Patcher.SecondPatches) | ||
| { | ||
| var file = Path.Combine(outputDirectory, patch.File); | ||
| Console.WriteLine($"Patching {patch.File}..."); | ||
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| var code = Patcher.Patch(patch, outputDirectory); | ||
| File.WriteAllText(file, code); | ||
| } |
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