core: Moving structure around

1 files changed, 0 insertions, 248 deletions

diff --git a/modules/core/error.h b/modules/core/error.h
deleted file mode 100644
index e816734..0000000
--- a/modules/core/error.h
+++ /dev/null
@@ -1,248 +0,0 @@
-#pragma once
-
-#include <algorithm>
-#include <limits>
-#include <string>
-#include <string_view>
-#include <variant>
-#include <vector>
-
-#include <cassert>
-
-#include "common.h"
-
-namespace saw {
-/**
- * Utility class for generating errors. Has a base distinction between
- * critical and recoverable errors. Additional code ids can be provided to the
- * constructor if additional distinctions are necessary.
- */
-class error {
-public:
-	using code = uint32_t;
-private:
-	code error_code_;
-	bool is_critical_;
-	std::variant<std::string_view, std::string> error_message_;
-
-public:
-	error(error::code id, bool is_critical);
-	error(error::code id, bool is_critical, const std::string_view &msg);
-	error(error &&error);
-
-	SAW_FORBID_COPY(error);
-
-	error &operator=(error &&) = default;
-
-	const std::string_view get_message() const;
-
-	const std::string_view get_category() const;
-
-	bool failed() const;
-
-	bool is_critical() const;
-	bool is_recoverable() const;
-
-	/**
-	 * Replaces the copy constructor. We need this since we want to explicitly copy and not implicitly
-	 */
-	error copy_error() const;
-
-	code get_id() const;
-
-	template<typename T>
-	bool is_type() const;
-};
-
-template<typename T>
-class error_or;
-
-namespace impl {
-
-class error_registry {
-private:
-	struct error_info {
-		error_info() = delete;
-		error_info(const std::string_view& d_, bool critical_):description{d_}, is_critical{critical_}{}
-
-		std::string_view description;
-		bool is_critical;
-	};
-
-	std::vector<error_info> infos_;
-public:
-	error_registry();
-
-	SAW_FORBID_COPY(error_registry);
-	SAW_FORBID_MOVE(error_registry);
-
-	error_or<const std::string_view> search_category(const error::code& id) const;
-
-	error_or<error::code> search_id(const std::string_view& desc) const;
-
-	error_or<error::code> search_or_register_id(const std::string_view& desc, bool is_critical);
-};
-
-error_registry& get_error_registry();
-
-template<typename T>
-error::code get_template_id(){
-	static error::code id = std::numeric_limits<error::code>::max();
-
-	if(id == std::numeric_limits<error::code>::max()){
-		auto& reg = get_error_registry();
-
-		auto err_or_id = reg.search_or_register_id(T::description, T::is_critical);
-		if(err_or_id.is_error()){
-			return std::numeric_limits<error::code>::max();
-		}
-
-		id = err_or_id.get_value();
-	}
-
-	return id;
-}
-}
-
-template<typename T> error make_error(const std::string_view& generic){
-	error::code id = impl::get_template_id<T>();
-
-	return error{id, T::is_critical, generic};
-}
-
-template<typename T> error make_error(){
-	error::code id = impl::get_template_id<T>();
-
-	return error{id, T::is_critical};
-}
-
-error make_error(error::code code, const std::string_view &generic);
-
-
-namespace err {
-struct no_error {
-	static constexpr std::string_view description = "No error has occured";
-	static constexpr bool is_critical = false;
-};
-
-struct recoverable {
-	static constexpr std::string_view description = "Generic recoverable error";
-	static constexpr bool is_critical = false;
-};
-
-struct critical {
-	static constexpr std::string_view description = "Generic critical error";
-	static constexpr bool is_critical = true;
-};
-
-struct buffer_exhausted {
-	static constexpr std::string_view description = "Buffer Exhausted";
-	static constexpr bool is_critical = false;
-};
-
-struct not_found {
-	static constexpr std::string_view description = "Not found";
-	static constexpr bool is_critical = false;
-};
-
-struct out_of_memory {
-	static constexpr std::string_view description = "Out of memory";
-	static constexpr bool is_critical = true;
-};
-
-struct invalid_state {
-	static constexpr std::string_view description = "Invalid state";
-	static constexpr bool is_critical = true;
-};
-
-struct not_supported {
-	static constexpr std::string_view description = "Not supported";
-	static constexpr bool is_critical = false;
-};
-
-struct not_implemented {
-	static constexpr std::string_view description = "Not implemented";
-	static constexpr bool is_critical = true;
-};
-
-struct already_exists {
-	static constexpr std::string_view description = "Already exists";
-	static constexpr bool is_critical = false;
-};
-}
-
-/**
- * Shorthand for no error happened
- */
-error no_error();
-
-/**
- * Exception alternative. Since I code without exceptions this class is
- * essentially a kind of exception replacement.
- */
-template <typename T> class error_or;
-
-class error_or_value {
-public:
-	virtual ~error_or_value() = default;
-
-	template <typename T> error_or<unfix_void<T>> &as() {
-		return static_cast<error_or<unfix_void<T>> &>(*this);
-	}
-
-	template <typename T> const error_or<unfix_void<T>> &as() const {
-		return static_cast<const error_or<unfix_void<T>> &>(*this);
-	}
-};
-
-template <typename T> class error_or final : public error_or_value {
-private:
-	std::variant<error, fix_void<T>> value_or_error_;
-
-	static_assert(!std::is_same_v<T, void_t>,
-				  "Don't use internal private types");
-
-public:
-	error_or():value_or_error_{fix_void<T>{}}{}
-	error_or(const fix_void<T> &value) : value_or_error_{value} {}
-
-	error_or(fix_void<T> &&value) : value_or_error_{std::move(value)} {}
-
-	error_or(const error &error) : value_or_error_{error} {}
-	error_or(error &&error) : value_or_error_{std::move(error)} {}
-
-	bool is_value() const {
-		return std::holds_alternative<fix_void<T>>(value_or_error_);
-	}
-
-	bool is_error() const {
-		return std::holds_alternative<class error>(value_or_error_);
-	}
-
-	class error &get_error() {
-		return std::get<class error>(value_or_error_);
-	}
-
-	const class error &get_error() const {
-		return std::get<class error>(value_or_error_);
-	}
-
-	fix_void<T> &get_value() { return std::get<fix_void<T>>(value_or_error_); }
-
-	const fix_void<T> &get_value() const {
-		return std::get<fix_void<T>>(value_or_error_);
-	}
-};
-
-template <typename T> class error_or<error_or<T>> {
-private:
-	error_or() = delete;
-};
-
-template<typename T>
-bool error::is_type() const {
-	
-	return error_code_ == impl::get_template_id<T>();
-}
-
-} // namespace saw