Add util::exception class that holds stacktrace information

libs/util/CMakeLists.txt

@@ -5,6 +5,8 @@ file(GLOB_RECURSE PSEMEK_UTIL_SOURCES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "so
 
 psemek_add_library(psemek-util ${PSEMEK_UTIL_HEADERS} ${PSEMEK_UTIL_SOURCES})
 target_include_directories(psemek-util PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
-target_link_libraries(psemek-util PUBLIC ${CMAKE_THREAD_LIBS_INIT} Boost::boost)
+target_link_libraries(psemek-util PUBLIC ${CMAKE_THREAD_LIBS_INIT} Boost::boost libbacktrace)
+target_compile_definitions(psemek-util PUBLIC "-DBOOST_STACKTRACE_USE_BACKTRACE")
 
 psemek_glob_tests(psemek-util tests)
+

libs/util/include/psemek/util/exception.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <boost/stacktrace/stacktrace.hpp>
+
+#include <exception>
+#include <string>
+#include <iostream>
+
+namespace psemek::util
+{
+
+	struct exception
+		: std::exception
+	{
+		exception(std::string message, boost::stacktrace::stacktrace stacktrace = {})
+			: message_(std::move(message))
+			, stacktrace_(std::move(stacktrace))
+		{}
+
+		char const * what() const noexcept override
+		{
+			return message_.data();
+		}
+
+		std::string const & message() const noexcept
+		{
+			return message_;
+		}
+
+		boost::stacktrace::stacktrace const & stacktrace() const noexcept
+		{
+			return stacktrace_;
+		}
+
+	private:
+		std::string message_;
+		boost::stacktrace::stacktrace stacktrace_;
+	};
+
+	inline std::ostream & operator << (std::ostream & os, exception const & e)
+	{
+		os << e.what() << '\n' << e.stacktrace();
+		return os;
+	}
+
+}