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| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-23 21:06:27 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-11-23 21:06:27 -0500 |
| commit | 23040fad647634c08697451fc22ee2ca999629c8 (patch) | |
| tree | 72888f88c7728c82f3f6df1f4f70591de15eab36 /src/kernel/NeKit/ErrorOr.h | |
| parent | e5cc7351f0577b54c528fb827a7c7e6306c3e843 (diff) | |
| parent | 83d870e58457a1d335a1d9b9966a6a1887cc297b (diff) | |
Merge pull request #81 from nekernel-org/dev
feat! breaking changes on kernel sources.
Diffstat (limited to 'src/kernel/NeKit/ErrorOr.h')
| -rw-r--r-- | src/kernel/NeKit/ErrorOr.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/kernel/NeKit/ErrorOr.h b/src/kernel/NeKit/ErrorOr.h new file mode 100644 index 00000000..d930fe17 --- /dev/null +++ b/src/kernel/NeKit/ErrorOr.h @@ -0,0 +1,62 @@ +/* + * ======================================================== + * + * NeKernel + * Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license. + * + * ======================================================== + */ + +#pragma once + +#include <NeKit/Defines.h> +#include <NeKit/Ref.h> + +namespace Kernel { +using ErrorT = Int32; + +/// ================================================================================ +/// @brief ErrorOr class for error handling. +/// ================================================================================ +template <typename T> +class ErrorOr final { + public: + explicit ErrorOr() = default; + ~ErrorOr() = default; + + public: + explicit ErrorOr(ErrorT err) : mRef((T*) RTL_ALLOCA(sizeof(T))), mId(err) {} + + explicit ErrorOr(nullPtr) {} + + explicit ErrorOr(T* Class) : mRef(Class) {} + + explicit ErrorOr(T Class) : mRef(Class) {} + + ErrorOr& operator=(const ErrorOr&) = default; + ErrorOr(const ErrorOr&) = default; + + ErrorOr& operator=(const Ref<T>& refErr) { + mRef = refErr; + return *this; + } + + const T& Value() { return mRef.TryLeak(); } + + Ref<T>& Leak() { return mRef; } + + ErrorT Error() { return mId; } + + /// @note DO NOT MAKE THIS EXPLICIT! IT WILL BREAK THE COMPILATION. + operator bool() { return mRef; } + + BOOL HasError() { return this->mId < 0; } + + private: + Ref<T> mRef; + ErrorT mId{0}; +}; + +using ErrorOrAny = ErrorOr<voidPtr>; + +} // namespace Kernel |
