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Test with generated hooks

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This commit is contained in:
max 2024-09-08 20:58:13 +02:00
parent bd76fc1b25
commit 09089c35b9
9 changed files with 214 additions and 3 deletions
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21
Nerfed.Editor/Project/EditorAssemblyLoader.cs
View File

@ -10,7 +10,7 @@ namespace Nerfed.Editor.Project;
internal static class EditorAssemblyLoader
{
private sealed class EditorAssemblyLoadContextWrapper
internal sealed class EditorAssemblyLoadContextWrapper
{
private EditorAssemblyLoadContext assemblyLoadContext;
private readonly WeakReference weakReference;
@ -44,6 +44,16 @@ public static (Assembly, EditorAssemblyLoadContextWrapper) CreateAndLoad(Assembl
return (assembly, wrapper);
}
[MethodImpl(MethodImplOptions.NoInlining)]
public static (Assembly, EditorAssemblyLoadContextWrapper) CreateAndLoad(string assemblyPath)
{
EditorAssemblyLoadContext context = new EditorAssemblyLoadContext();
WeakReference reference = new WeakReference(context, trackResurrection: true);
EditorAssemblyLoadContextWrapper wrapper = new EditorAssemblyLoadContextWrapper(context, reference);
Assembly assembly = context.LoadFromAssemblyPath(assemblyPath);
return (assembly, wrapper);
}
[MethodImpl(MethodImplOptions.NoInlining)]
internal void Unload()
{
@ -52,7 +62,7 @@ internal void Unload()
}
}
private static (Assembly, EditorAssemblyLoadContextWrapper) Load(string assemblyFilePath)
internal static (Assembly, EditorAssemblyLoadContextWrapper) Load(string assemblyFilePath)
{
string assemblyFileName = Path.GetFileNameWithoutExtension(assemblyFilePath);
@ -61,7 +71,12 @@ private static (Assembly, EditorAssemblyLoadContextWrapper) Load(string assembly
return EditorAssemblyLoadContextWrapper.CreateAndLoad(assemblyName);
}
private static bool Unload(EditorAssemblyLoadContextWrapper assemblyLoadContextWrapper)
internal static (Assembly, EditorAssemblyLoadContextWrapper) LoadFromPath(string assemblyFilePath)
{
return EditorAssemblyLoadContextWrapper.CreateAndLoad(assemblyFilePath);
}
internal static bool Unload(EditorAssemblyLoadContextWrapper assemblyLoadContextWrapper)
{
if (assemblyLoadContextWrapper == null)
{

38
Nerfed.Editor/Project/EditorProject.cs
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@ -11,6 +11,8 @@ internal static class EditorProject
internal static string ProjectContentDirectory { get; private set; } = string.Empty;
internal static string ProjectTempDirectory { get; private set; } = string.Empty;
private static readonly List<(string, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper)> editorAssemblyLoadContextWrappers = [];
internal static bool Create(string projectFilePath, string projectName)
{
Close();
@ -80,7 +82,11 @@ internal static void Compile()
return;
}
UnloadAssemblies();
Compiler.Compiler.Compile(ProjectFilePath, "Debug");
LoadAssemblies();
}
internal static void GenerateSolution()
@ -132,4 +138,36 @@ private static void SetupDefaultFolders()
}
ProjectTempDirectory = tempDirectory;
}
private static void LoadAssemblies()
{
string[] assemblies = Directory.GetFiles(Path.Combine(ProjectDirectory, "bin"), "*.dll", SearchOption.AllDirectories);
foreach (string assembly in assemblies)
{
(System.Reflection.Assembly, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper) a = EditorAssemblyLoader.LoadFromPath(assembly);
string name = a.Item1.GetName().Name;
editorAssemblyLoadContextWrappers.Add((name, a.Item2));
Log.Info($"loaded {name}");
}
Nerfed.Runtime.Generator.Hook.InvokeHooks();
}
private static void UnloadAssemblies()
{
for (int i = editorAssemblyLoadContextWrappers.Count - 1; i >= 0; i--)
{
(string, EditorAssemblyLoader.EditorAssemblyLoadContextWrapper) a = editorAssemblyLoadContextWrappers[i];
if (EditorAssemblyLoader.Unload(a.Item2))
{
Log.Info($"Unloaded {a.Item1}");
editorAssemblyLoadContextWrappers.RemoveAt(i);
}
else
{
Log.Error($"Could not unload {a.Item1}");
}
}
}
}

91
Nerfed.Runtime.Generator/HookSourceGenerator.cs Normal file
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@ -0,0 +1,91 @@
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Nerfed.Runtime.Generator
{
[Generator]
public class HookSourceGenerator : ISourceGenerator
{
public void Execute(GeneratorExecutionContext context)
{
// Ensure the syntax receiver is not null and is of the expected type
if (context.SyntaxReceiver is not HookSyntaxReceiver syntaxReceiver)
return;
// Check if we have collected any hook methods
List<MethodDeclarationSyntax> hookMethods = syntaxReceiver.HookMethods;
if (hookMethods == null || !hookMethods.Any())
return;
StringBuilder codeBuilder = new StringBuilder();
codeBuilder.AppendLine("using System;");
codeBuilder.AppendLine("");
codeBuilder.AppendLine("namespace Nerfed.Runtime.Generator;");
codeBuilder.AppendLine("");
codeBuilder.AppendLine($"// Generated by {typeof(HookSourceGenerator)}");
codeBuilder.AppendLine("public static class Hook");
codeBuilder.AppendLine("{");
codeBuilder.AppendLine(" public static void InvokeHooks()");
codeBuilder.AppendLine(" {");
foreach (MethodDeclarationSyntax method in hookMethods)
{
SemanticModel model = context.Compilation.GetSemanticModel(method.SyntaxTree);
if (model.GetDeclaredSymbol(method) is not IMethodSymbol methodSymbol)
{
continue;
}
if (methodSymbol.DeclaredAccessibility != Accessibility.Public || !methodSymbol.IsStatic)
{
continue;
}
codeBuilder.AppendLine($" {methodSymbol.ContainingType.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)}.{methodSymbol.Name}();");
}
codeBuilder.AppendLine(" }");
codeBuilder.AppendLine("}");
// Add the generated code to the compilation
context.AddSource("Hook.g.cs", codeBuilder.ToString());
}
public void Initialize(GeneratorInitializationContext context)
{
context.RegisterForSyntaxNotifications(() => new HookSyntaxReceiver());
}
public class HookSyntaxReceiver : ISyntaxReceiver
{
public List<MethodDeclarationSyntax> HookMethods { get; } = new List<MethodDeclarationSyntax>();
public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
{
// Check if the node is a method declaration
if (syntaxNode is MethodDeclarationSyntax methodDeclaration)
{
// Ensure the method declaration has attribute lists
if (methodDeclaration.AttributeLists.Count == 0)
return;
// Check if the method has the Hook attribute
bool hasHookAttribute = methodDeclaration.AttributeLists
.SelectMany(attrList => attrList.Attributes)
.Any(attr => attr.Name.ToString() == "Hook");
if (hasHookAttribute)
{
HookMethods.Add(methodDeclaration);
}
}
}
}
}
}

33
Nerfed.Runtime.Generator/Nerfed.Runtime.Generator.csproj Normal file
View File

@ -0,0 +1,33 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<LangVersion>latest</LangVersion>
<EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
<Configurations>Debug;Test;Release</Configurations>
<Platforms>x64</Platforms>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0"/>
</ItemGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x64' ">
<DefineConstants>TRACE;LOG_INFO;PROFILING</DefineConstants>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Test|x64' ">
<DefineConstants>TRACE;LOG_ERROR;PROFILING</DefineConstants>
<Optimize>true</Optimize>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x64' ">
<DefineConstants>TRACE;LOG_ERROR</DefineConstants>
<Optimize>true</Optimize>
</PropertyGroup>
</Project>

1
Nerfed.Runtime/Engine.cs
View File

@ -72,6 +72,7 @@ public static void Run(string[] args)
AudioDevice = new AudioDevice();
OnInitialize?.Invoke();
Nerfed.Runtime.Generator.Hook.InvokeHooks();
while (!quit)
{

7
Nerfed.Runtime/Hook/HookAttribute.cs Normal file
View File

@ -0,0 +1,7 @@
namespace Nerfed.Runtime.Hook
{
[AttributeUsage(AttributeTargets.Method, Inherited = false)]
public class HookAttribute : Attribute
{
}
}

11
Nerfed.Runtime/Hook/HookTest.cs Normal file
View File

@ -0,0 +1,11 @@
namespace Nerfed.Runtime.Hook
{
public static class HookTest
{
[Hook]
public static void Test()
{
Log.Info("Hook!");
}
}
}

7
Nerfed.Runtime/Nerfed.Runtime.csproj
View File

@ -11,6 +11,7 @@
<IsPackable>false</IsPackable>
<Configurations>Debug;Test;Release</Configurations>
<Platforms>x64</Platforms>
<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
</PropertyGroup>
<PropertyGroup>
@ -40,4 +41,10 @@
<Compile Include="Libraries\ImGui.NET\src\ImGui.NET\**\*.cs" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Nerfed.Runtime.Generator\Nerfed.Runtime.Generator.csproj"
OutputItemType="Analyzer"
ReferenceOutputAssembly="false" />
</ItemGroup>
</Project>

8
Nerfed.sln
View File

@ -14,6 +14,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Editor", "Nerfed.Edi
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Nerfed.Compiler", "Nerfed.Compiler\Nerfed.Compiler.csproj", "{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Nerfed.Runtime.Generator", "Nerfed.Runtime.Generator\Nerfed.Runtime.Generator.csproj", "{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
@ -45,6 +47,12 @@ Global
{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}.Release|x64.Build.0 = Release|x64
{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}.Test|x64.ActiveCfg = Test|x64
{3DFEB8A4-5354-41EA-A249-27ADC7F666CF}.Test|x64.Build.0 = Test|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Debug|x64.ActiveCfg = Debug|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Debug|x64.Build.0 = Debug|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Release|x64.ActiveCfg = Release|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Release|x64.Build.0 = Release|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Test|x64.ActiveCfg = Test|x64
{8743FDEF-4FF6-48F9-9F64-7BDEC543C105}.Test|x64.Build.0 = Test|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE