lager/core/assert.hh

0001 // lAger: General Purpose l/A-event Generator
0002 // Copyright (C) 2016-2021 Sylvester Joosten <sjoosten@anl.gov>
0003 //
0004 // This file is part of lAger.
0005 //
0006 // lAger is free software: you can redistribute it and/or modify
0007 // it under the terms of the GNU General Public License as published by
0008 // the Free Shoftware Foundation, either version 3 of the License, or
0009 // (at your option) any later version.
0010 //
0011 // lAger is distributed in the hope that it will be useful,
0012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
0013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0014 // GNU General Public License for more details.
0015 //
0016 // You should have received a copy of the GNU General Public License
0017 // along with lAger.  If not, see <https://www.gnu.org/licenses/>.
0018 //
0019
0020 #ifndef LAGER_CORE_ASSERT_LOADED
0021 #define LAGER_CORE_ASSERT_LOADED
0022
0023 #include <lager/core/logger.hh>
0024 #include <lager/core/exception.hh>
0025 #include <string>
0026
0027 // =============================================================================
0028 // throwing assert throws an lager::exception with verbose error message.
0029 // =============================================================================
0030 #define tassert(condition, msg)                                                \
0031   if (!(condition)) {                                                          \
0032     lager::tassert_impl(#condition, __FILE__, __LINE__, msg);               \
0033   }
0034
0035 // =============================================================================
0036 // implementation: throwing assert
0037 // =============================================================================
0038 namespace lager {
0039 inline void tassert_impl(const std::string& condition,
0040                          const std::string& location, const int line,
0041                          const std::string& msg) {
0042   LOG_ERROR(location,
0043             "l" + std::to_string(line) + ": assert(" + condition + ") failed");
0044   throw lager::exception{msg, "assert"};
0045 }
0046 } // ns lager
0047
0048 #endif