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-rw-r--r--src/kernel/NeKit/Ref.h77
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diff --git a/src/kernel/NeKit/Ref.h b/src/kernel/NeKit/Ref.h
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+
+/* ========================================
+
+ Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef _NEKIT_REF_H_
+#define _NEKIT_REF_H_
+
+#include <CompilerKit/CompilerKit.h>
+#include <KernelKit/HeapMgr.h>
+#include <NeKit/Defines.h>
+#include <NeKit/KernelPanic.h>
+
+namespace Kernel {
+/// =========================================================== ///
+/// @brief Reference wrapper class. ///
+/// =========================================================== ///
+template <typename T>
+class Ref final {
+ public:
+ explicit Ref() = default;
+ ~Ref() = default;
+
+ public:
+ Ref(T* cls) : fClass(*cls) {}
+ Ref(T cls) : fClass(cls) {}
+
+ Ref& operator=(T ref) {
+ fClass = ref;
+ return *this;
+ }
+
+ NE_COPY_DEFAULT(Ref)
+
+ public:
+ T operator->() const { return fClass; }
+
+ T& Leak() noexcept { return fClass; }
+
+ T& TryLeak() noexcept { return fClass; }
+
+ T operator*() { return fClass; }
+
+ operator bool() noexcept { return true; }
+
+ private:
+ T fClass;
+};
+
+template <typename T>
+class NonNullRef final {
+ public:
+ NonNullRef() = delete;
+ NonNullRef(nullPtr) = delete;
+
+ NonNullRef(T* ref) : fRef(ref) { MUST_PASS(ref); }
+ NonNullRef(Ref<T> ref) : fRef(ref) { MUST_PASS(ref); }
+
+ Ref<T>& operator->() {
+ MUST_PASS(fRef);
+ return fRef;
+ }
+
+ NonNullRef& operator=(const NonNullRef<T>& ref) = delete;
+ NonNullRef(const NonNullRef<T>& ref) = default;
+
+ private:
+ Ref<T> fRef{};
+};
+
+using RefAny = Ref<Any>;
+using NonNullRefAny = NonNullRef<Any>;
+} // namespace Kernel
+
+#endif // ifndef _NEKIT_REF_H_