[ox/std] Add source_location

deps/ox/src/ox/std/error.hpp

@@ -26,6 +26,7 @@ class exception {
 
 #include "defines.hpp"
 #include "def.hpp"
+#include "source_location.hpp"
 #include "typetraits.hpp"
 #include "utility.hpp"
 
@@ -45,16 +46,35 @@ struct [[nodiscard]] Error {
 
 	constexpr Error() noexcept = default;
 
-	explicit constexpr Error(ErrorCode ec) noexcept: errCode(ec) {
-	}
-
-	explicit constexpr Error(const char *file, uint32_t line, ErrorCode errCode, const char *msg = nullptr) noexcept {
+	explicit constexpr Error(
+		const char *file,
+		uint32_t const line,
+		ErrorCode const errCode,
+		const char *msg = nullptr) noexcept {
 		this->file = file;
 		this->line = static_cast<uint16_t>(line);
 		this->msg = msg;
 		this->errCode = errCode;
 	}
 
+	explicit constexpr Error(
+		ErrorCode const errCode,
+		std::source_location const&src = std::source_location::current()) noexcept {
+		this->file = src.file_name();
+		this->line = static_cast<uint16_t>(src.line());
+		this->errCode = errCode;
+	}
+
+	explicit constexpr Error(
+		ErrorCode const errCode,
+		const char *msg,
+		std::source_location const&src = std::source_location::current()) noexcept {
+		this->file = src.file_name();
+		this->line = static_cast<uint16_t>(src.line());
+		this->msg = msg;
+		this->errCode = errCode;
+	}
+
 	constexpr Error(const Error &o) noexcept {
 		this->msg = o.msg;
 		this->file = o.file;

deps/ox/src/ox/std/source_location.hpp

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2015 - 2024 gary@drinkingtea.net
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#if __has_include(<source_location>)
+
+#include <source_location>
+
+#else
+
+#include "types.hpp"
+
+namespace std {
+
+class source_location {
+	private:
+		struct __impl {
+			char const*_M_file_name{};
+			char const*_M_function_name{};
+			uint32_t _M_line{};
+			uint32_t _M_column{};
+		};
+		__impl const*mData = nullptr;
+		using Raw = decltype(__builtin_source_location());
+
+	public:
+		constexpr source_location() noexcept = default;
+
+		static consteval source_location current(Raw const pSl = __builtin_source_location()) noexcept {
+			source_location sl;
+			sl.mData = static_cast<__impl const*>(pSl);
+			return sl;
+		}
+
+		constexpr uint32_t line() const noexcept {
+			return mData != nullptr ? mData->_M_line : 0;
+		}
+
+		constexpr uint32_t column() const noexcept {
+			return mData != nullptr ? mData->_M_column : 0;
+		}
+
+		constexpr ox::CString file_name() const noexcept {
+			return mData != nullptr ? mData->_M_file_name : "";
+		}
+
+		constexpr ox::CString function_name() const noexcept {
+			return mData != nullptr ? mData->_M_function_name : "";
+		}
+};
+
+}
+
+#endif