[ox/std] Add call and logCatch for safe calling of throwing functions

deps/ox/src/ox/std/errhandling.hpp

@@ -0,0 +1,67 @@
+/*
+* Copyright 2015 - 2025 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
+
+#include <ox/std/error.hpp>
+#include <ox/std/trace.hpp>
+#include <ox/std/utility.hpp>
+
+namespace ox {
+
+template<typename F, typename... Args>
+constexpr Error call(F const &f, Args&&... args) noexcept {
+	try {
+		f(ox::forward<Args>(args)...);
+		return {};
+	} catch (Exception const &e) {
+		return e.toError();
+	} catch (...) {
+		return Error{1, "unknown exception"};
+	}
+}
+
+template<typename T, typename Method, typename... Args>
+constexpr Error call(T &receiver, Method methodPtr, Args&&... args) noexcept {
+	try {
+		(receiver.*methodPtr)(ox::forward<Args>(args)...);
+		return {};
+	} catch (Exception const &e) {
+		return e.toError();
+	} catch (...) {
+		return Error{1, "unknown exception"};
+	}
+}
+
+template<typename F, typename... Args>
+constexpr void logCatch(F const &f, Args&&... args) noexcept {
+	try {
+		f(ox::forward<Args>(args)...);
+	} catch (Exception const &e) {
+		oxErrf("Caught exception: {} ({}:{})\n", e.what(), e.src.file_name(), e.src.line());
+	} catch (std::exception const &e) {
+		oxErrf("Caught exception: {}\n", e.what());
+	} catch (...) {
+		oxErr("Caught unknown exception\n");
+	}
+}
+
+template<typename T, typename Method, typename... Args>
+constexpr void logCatch(T &receiver, Method methodPtr, Args&&... args) noexcept {
+	try {
+		(receiver.*methodPtr)(ox::forward<Args>(args)...);
+	} catch (Exception const &e) {
+		oxErrf("Caught exception: {} ({}:{})\n", e.what(), e.src.file_name(), e.src.line());
+	} catch (std::exception const &e) {
+		oxErrf("Caught exception: {}\n", e.what());
+	} catch (...) {
+		oxErr("Caught unknown exception\n");
+	}
+}
+
+}