Mercurial > octave
view libinterp/corefcn/event-queue.h @ 28217:87554d9ac6f8 stable
Warn if -v7.3 format is used for load/save (bug #45706).
* load-save.cc (Fload, Fsave): Document that -v7.3 format is not implemented.
* load-save.cc (load_save_system::parse_save_options): Detect '-v7.3' option
and issue an error() that format is not implemented.
* load-save.cc (load_save_system::load): Detect '-v7.3' option and issue an
error() that format is not implemented. Re-order if/elseif tree for clarity.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 14 Apr 2020 11:09:42 -0700 |
parents | bd51beb6205e |
children | 0a5b15007766 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2012-2020 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_event_queue_h) #define octave_event_queue_h 1 #include "octave-config.h" #include <queue> #include <memory> #include "action-container.h" namespace octave { class event_queue : public action_container { public: event_queue (void) : fifo () { } // No copying! event_queue (const event_queue&) = delete; event_queue& operator = (const event_queue&) = delete; // Destructor should not raise an exception, so all actions // registered should be exception-safe. If you're not sure, see // event_queue_safe. ~event_queue (void) { run (); } void run_first (void) { if (! empty ()) { // No leak on exception! std::unique_ptr<elem> ptr (fifo.front ()); fifo.pop (); ptr->run (); } } void discard_first (void) { if (! empty ()) { elem *ptr = fifo.front (); fifo.pop (); delete ptr; } } size_t size (void) const { return fifo.size (); } protected: void add_action (elem *new_elem) { fifo.push (new_elem); } std::queue<elem *> fifo; }; // Like event_queue, but this one will guard against the // possibility of seeing an exception (or interrupt) in the cleanup actions. // Not that we can do much about it, but at least we won't crash. class event_queue_safe : public event_queue { private: void warn_unhandled_exception (void) const; public: event_queue_safe (void) : event_queue () { } // No copying! event_queue_safe (const event_queue_safe&) = delete; event_queue_safe& operator = (const event_queue_safe&) = delete; ~event_queue_safe (void) { while (! empty ()) { try { run_first (); } catch (...) // Yes, the black hole. Remember we're in a dtor. { warn_unhandled_exception (); } } } }; } #endif