feat: `allocator_system` container for custom allocator needs.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/dev/lib/core/allocator_system.hpp b/dev/lib/core/allocator_system.hpp
new file mode 100644
index 0000000..c75971b
--- /dev/null
+++ b/dev/lib/core/allocator_system.hpp
@@ -0,0 +1,75 @@
+/*
+ * File: core/allocator_system.hpp
+ * Purpose: Allocator System container.
+ * Author: Amlal El Mahrouss (amlal@nekernel.org)
+ * Copyright 2025, Amlal El Mahrouss. Licensed under the BSL 1.0 license
+ */
+
+#ifndef _OCL_ALLOCATOR_SYSTEM_HPP
+#define _OCL_ALLOCATOR_SYSTEM_HPP
+
+#include <lib/core/includes.hpp>
+#include <stdexcept>
+#include <memory>
+
+namespace ocl
+{
+	struct new_op final
+	{
+		template <typename type>
+		inline auto operator()() -> type*
+		{
+			return new type;
+		}
+
+		template <typename type, typename... var_type>
+		inline auto operator()(var_type&&... args) -> type*
+		{
+			return new type{std::forward(args...)};
+		}
+	};
+
+	struct delete_op final
+	{
+		template <typename type>
+		inline auto operator()(type* t) -> void
+		{
+			delete t;
+		}
+	};
+
+	template <typename allocator_new, typename allocator_delete>
+	class allocator_system
+	{
+		allocator_delete del_;
+
+	public:
+		allocator_system()	= default;
+		~allocator_system() = default;
+
+		allocator_system& operator=(const allocator_system&) = delete;
+		allocator_system(const allocator_system&)			 = delete;
+
+		template <typename ret_type>
+		ret_type* claim() noexcept
+		{
+			return allocator_new(sizeof(ret_type));
+		}
+
+		template <typename ret_type, typename... var_type>
+		auto construct(var_type&&... args) -> std::shared_ptr<ret_type>
+		{
+			return std::shared_ptr<ret_type>(allocator_new(ret_type{std::forward(args...)}), del_());
+		}
+
+		template <typename ret_type>
+		void unclaim(ret_type* ptr)
+		{
+			del_(ptr);
+		}
+	};
+
+	using standard_allocator_type = allocator_system<new_op, delete_op>;
+} // namespace ocl
+
+#endif // ifndef _OCL_ALLOCATOR_SYSTEM_HPP