Quelle report.cpp Sprache: C

//
// libsemigroups - C++ library for semigroups and monoids
// Copyright (C) 2019 James D. Mitchell
//
// This program 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.
//
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
//

#include "libsemigroups/report.hpp"

#include <iostream>

#include "libsemigroups/config.hpp"

namespace libsemigroups {
  detail::Reporter        REPORTER;
  detail::ThreadIdManager THREAD_ID_MANAGER;

  namespace detail {

    ThreadIdManager::ThreadIdManager() : _mtx(), _next_tid(0), _thread_map() {
      tid(std::this_thread::get_id());
    }

    void ThreadIdManager::reset() {
      // Only do this from the main thread
      LIBSEMIGROUPS_ASSERT(tid(std::this_thread::get_id()) == 0);
      // Delete all thread_ids
      _thread_map.clear();
      _next_tid = 0;
      // Reinsert the main thread's id
      tid(std::this_thread::get_id());
    }

    size_t ThreadIdManager::tid(std::thread::id t) {
      std::lock_guard<std::mutex> lg(_mtx);
      auto                        it = _thread_map.find(t);
      if (it != _thread_map.end()) {
        return (*it).second;
      } else {
        // Don't check the assert below because on a single thread machine
        // (such as those used by appveyor), for an fp-semigroup more than 1
        // thread will be used, and this assertion will fail.
        // LIBSEMIGROUPS_ASSERT(_next_tid <=
        // std::thread::hardware_concurrency());
        _thread_map.emplace(t, _next_tid++);
        return _next_tid - 1;
      }
    }

    Reporter::Reporter(bool report)
        : _last_msg(), _mtx(), _msg(), _options(), _report(report) {}

#ifdef LIBSEMIGROUPS_FMT_ENABLED
    Reporter& Reporter::color(fmt::color c) {
      if (_report) {
        size_t tid = THREAD_ID_MANAGER.tid(std::this_thread::get_id());
        resize(tid + 1);
        _options[tid].color = c;
      }
      return *this;
    }

    Reporter& Reporter::thread_color() {
      if (_report) {
        std::lock_guard<std::mutex> lg(_mtx);
        size_t tid = THREAD_ID_MANAGER.tid(std::this_thread::get_id());
        resize(tid + 1);
        _options[tid].color = thread_colors[tid % thread_colors.size()];
      }
      return *this;
    }
#endif

    Reporter& Reporter::prefix() {
      if (_report) {
        std::lock_guard<std::mutex> lg(_mtx);
        size_t tid = THREAD_ID_MANAGER.tid(std::this_thread::get_id());
        resize(tid + 1);
        _options[tid].prefix = "";
      }
      return *this;
    }

    Reporter& Reporter::flush_right() {
      if (_report) {
        std::lock_guard<std::mutex> lg(_mtx);
        size_t tid = THREAD_ID_MANAGER.tid(std::this_thread::get_id());
        resize(tid + 1);
        _options[tid].flush_right = true;
      }
      return *this;
    }

    void Reporter::flush() {
      if (_report) {
        std::lock_guard<std::mutex> lg(_mtx);
        size_t      tid  = THREAD_ID_MANAGER.tid(std::this_thread::get_id());
        auto const& prfx = _options[tid].prefix;
        auto        pos  = prfx.find(":");
        if (pos != std::string::npos && pos + 2 <= prfx.size() - 1) {
          std::string class_name(prfx.cbegin() + prfx.find(":") + 2,
                                 prfx.cend() - 2);
          if (_suppressions.find(class_name) != _suppressions.cend()) {
            return;
          }
        }

        size_t pad = 0;
        _msg[tid]  = _options[tid].prefix + _msg[tid];
        if (_options[tid].flush_right
            && _last_msg[tid].size() + unicode_string_length(_msg[tid]) < 80) {
          pad = (80 - _last_msg[tid].size()) - unicode_string_length(_msg[tid]);
          _msg[tid] = std::string(pad, ' ') + _msg[tid];
        }
#ifdef LIBSEMIGROUPS_VERBOSE
        if (_msg[tid].back() != '\n') {
          _msg[tid] += "\n";
        }
#endif
        _msg[tid] = wrap(_options[tid].prefix.length(), _msg[tid]);
#ifdef LIBSEMIGROUPS_FMT_ENABLED
        fmt::print(fg(_options[tid].color), _msg[tid]);
#else
        std::cout << _msg[tid];
#endif
        _options[tid] = Options();
      }
    }

    void Reporter::resize(size_t n) {
      if (n > _msg.size()) {
        _last_msg.resize(n);
        _msg.resize(n);
        _options.resize(n);
      }
    }

    PrintTable::~PrintTable() = default;
  }  // namespace detail

  namespace report {
    bool should_report() noexcept {
      return REPORTER.report();
    }

    void suppress(std::string const& class_name) {
      REPORTER.suppress(class_name);
    }

    void clear_suppressions() {
      REPORTER.clear_suppressions();
    }

  }  // namespace report
}  // namespace libsemigroups

quality89%

¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.