Fixed a bug in the error system that was causing some errors to cause…

… crashes.

source/compiler/compiler/diagnostics.h

@@ -11,6 +11,8 @@ namespace sigma {
 		 * \brief Predeclared error codes
 		 */
 		enum class code : u32 {
+			TEST_ERROR,
+
 			// filesystem (1000 - 1999)
 			EXPECTED_FILE = 1000,
 			FILE_DOES_NOT_EXIST,
@@ -57,16 +59,21 @@ namespace sigma {
 		 */
 		template<typename... arguments>
 		static auto emit(code code, handle<token_location> location, arguments&&... args) -> utility::error {
-			const std::string str = std::format(
+			const std::string message = std::vformat(
+				m_errors.find(code)->second, 
+				std::make_format_args(std::forward<arguments>(args)...)
+			);
+
+			const std::string error_message = std::format(
 				"{}:{}:{}: error C{}: {}",
 				location->file->get_filename(),
-				location->line_index + 1, 
-				location->char_index + 1, 
+				location->line_index + 1,
+				location->char_index + 1,
 				static_cast<u32>(code), 
-				m_errors.find(code)->second
+				message
 			);
 
-			return utility::error(str, std::forward<arguments>(args)...);
+			return { error_message };
 		}
 
 		/**
@@ -78,11 +85,22 @@ namespace sigma {
 		 */
 		template<typename... arguments>
 		static auto emit(code code, arguments&&... args) -> utility::error {
-			const std::string str = std::format("error C{}: {}", static_cast<u32>(code), m_errors.find(code)->second);
-			return utility::error(str, std::forward<arguments>(args)...);
+			const std::string message = std::vformat(
+				m_errors.find(code)->second, 
+				std::make_format_args(std::forward<arguments>(args)...)
+			);
+
+			const std::string error_message = std::format(
+				"error C{}: {}", 
+				static_cast<u32>(code), message
+			);
+
+			return { error_message };
 		}
 	private:
 		const static inline std::unordered_map<code, std::string> m_errors = {
+			{ code::TEST_ERROR,                       "test {}"                                        },
+
 			// filesystem
 			{ code::EXPECTED_FILE,                       "expected a file but got a directory ('{}')"                                        },
 			{ code::FILE_DOES_NOT_EXIST,                 "specified file does not exist ('{}')"                                              },

source/compiler/test/main.s

@@ -11,7 +11,6 @@
 //     -   more info related to numerical errors (hex etc)
 //     -   add namespaces to messages, whenever applicable (ie. x::y::test)
 // -   BUGS: 
-//     -   the parser returns an empty error in some cases
 //     -   set crashes with more than 4(?) parameters
 // -   TESTS:
 //     -    add more test cases
@@ -20,6 +19,5 @@
 // -   implicit returns for non-void functions should not be a thing
 
 i32 main() {
-    printf("%d\n", true);
-    ret 0;
+   a
 }

source/utility/diagnostics.h

@@ -41,11 +41,7 @@ namespace utility {
 
 	class error {
 	public:
-		template<typename... arguments>
-		error(const std::string& fmt, arguments&&... args) {
-			auto formatted_args = std::make_format_args(std::forward<arguments>(args)...);
-			m_message = std::vformat(fmt, formatted_args);
-		}
+		error(const std::string& message) : m_message(message) {}
 
 		auto get_message() const -> const std::string& {
 			return m_message;

source/utility/filesystem/file.h

@@ -46,7 +46,7 @@ namespace utility {
 				std::ifstream file(path.get_path());
 
 				if (!file) {
-					return error("cannot open file '{}'", path);
+					return error(std::format("cannot open file '{}'", path));
 				}
 
 				return std::string(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>());