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Extending ScriptGlue now possible

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This commit is contained in:
Simon Lübeß
2025-07-27 17:43:00 +02:00
parent 566d39d928
commit 72e87ee9ad
4 changed files with 64 additions and 52 deletions
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GlitchyEngine/src/Scripting/ScriptGlue.bf
+39 -40
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@@ -47,6 +47,7 @@ class MessageOrigin
struct RegisterCallAttribute : Attribute
{
public bool EngineResultAsBool { get; set mut; }
public bool IsExtension { get; set mut; }
}
struct TypeTranslationTemplate
@@ -177,38 +178,47 @@ struct EngineFunctionsGeneratorAttribute : Attribute, IComptimeTypeApply
[EngineFunctionsGenerator]
struct EngineFunctions
{
static Self _functions;
[RegisterMethod]
public static void FillEngineFunctions()
{
OnRegisterNativeCalls.Invoke();
ScriptGlue.[Friend]_setEngineFunctions(&_functions);
}
}
/* Adding this attribute to a method will log method entry and returned Result<T> errors */
[AttributeUsage(.Method)]
public struct RegisterMethodAttribute : Attribute, IOnMethodInit
{
[Comptime]
public void OnMethodInit(MethodInfo method, Self* prev)
{
String functionContent = new .();
int i = 0;
for (var methodInfo in typeof(ScriptGlue).GetMethods(.Static | .NonPublic | .FlattenHierarchy))
{
if (methodInfo.GetCustomAttribute<RegisterCallAttribute>() case .Ok(let attribute) && !attribute.IsExtension)
{
functionContent.AppendF($"_functions.{methodInfo.Name} = => ScriptGlue.[Friend]{methodInfo.Name};\n");
//functionContent.AppendF($"functions[{i}] = (void*)( => {methodInfo.Name});\n");
i++;
}
}
//functionContent.Insert(0, scope $"EngineFunctions functions = .();\n");
Compiler.EmitMethodEntry(method, functionContent);
}
}
static class ScriptGlue
{
/* Adding this attribute to a method will log method entry and returned Result<T> errors */
[AttributeUsage(.Method)]
struct RegisterMethodAttribute : Attribute, IOnMethodInit
{
[Comptime]
public void OnMethodInit(MethodInfo method, Self* prev)
{
String functionContent = new .();
int i = 0;
for (var methodInfo in typeof(ScriptGlue).GetMethods(.Static | .NonPublic | .FlattenHierarchy))
{
if (methodInfo.GetCustomAttribute<RegisterCallAttribute>() case .Ok(let attribute))
{
functionContent.AppendF($"functions.{methodInfo.Name} = => {methodInfo.Name};\n");
//functionContent.AppendF($"functions[{i}] = (void*)( => {methodInfo.Name});\n");
i++;
}
}
functionContent.Insert(0, scope $"EngineFunctions functions = .();\n");
Compiler.EmitMethodEntry(method, functionContent);
}
}
public static Event<delegate void()> OnRegisterNativeCalls ~ _.Dispose();
private function void SetEngineFunctions(EngineFunctions* engineFunctions);
@@ -242,18 +252,9 @@ static class ScriptGlue
private static void RegisterCalls()
{
FillEngineFunctions();
EngineFunctions.FillEngineFunctions();
}
[RegisterMethod]
private static void FillEngineFunctions()
{
OnRegisterNativeCalls.Invoke();
_setEngineFunctions(&functions);
}
private static void RegisterComponent<T>() where T : struct, new
{
String fullComponentTypeName = scope String();
@@ -1421,8 +1422,6 @@ static class ScriptGlue
Log.EngineLogger.AssertDebug(context != null);
Log.EngineLogger.Trace(StringView(fieldName));
context.AddField(StringView(fieldName), type, valueObject, StringView(fullTypeName));
}