module.cc revision 12863
112863Sgabeblack@google.com/* 212863Sgabeblack@google.com * Copyright 2018 Google, Inc. 312863Sgabeblack@google.com * 412863Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 512863Sgabeblack@google.com * modification, are permitted provided that the following conditions are 612863Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 712863Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 812863Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 912863Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1012863Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1112863Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1212863Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1312863Sgabeblack@google.com * this software without specific prior written permission. 1412863Sgabeblack@google.com * 1512863Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1612863Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1712863Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1812863Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 1912863Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2012863Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2112863Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2212863Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2312863Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2412863Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2512863Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2612863Sgabeblack@google.com * 2712863Sgabeblack@google.com * Authors: Gabe Black 2812863Sgabeblack@google.com */ 2912863Sgabeblack@google.com 3012863Sgabeblack@google.com#include "systemc/core/module.hh" 3112863Sgabeblack@google.com 3212863Sgabeblack@google.com#include <list> 3312863Sgabeblack@google.com 3412863Sgabeblack@google.com#include "base/logging.hh" 3512863Sgabeblack@google.com 3612863Sgabeblack@google.comnamespace SystemC 3712863Sgabeblack@google.com{ 3812863Sgabeblack@google.com 3912863Sgabeblack@google.comnamespace 4012863Sgabeblack@google.com{ 4112863Sgabeblack@google.com 4212863Sgabeblack@google.comstd::list<Module *> _modules; 4312863Sgabeblack@google.com 4412863Sgabeblack@google.comModule *_top_module = nullptr; 4512863Sgabeblack@google.com 4612863Sgabeblack@google.com} // anonymous namespace 4712863Sgabeblack@google.com 4812863Sgabeblack@google.comvoid 4912863Sgabeblack@google.comModule::push() 5012863Sgabeblack@google.com{ 5112863Sgabeblack@google.com if (!_top_module) 5212863Sgabeblack@google.com _top_module = this; 5312863Sgabeblack@google.com _modules.push_back(this); 5412863Sgabeblack@google.com} 5512863Sgabeblack@google.com 5612863Sgabeblack@google.comvoid 5712863Sgabeblack@google.comModule::pop() 5812863Sgabeblack@google.com{ 5912863Sgabeblack@google.com panic_if(_modules.size(), "Popping from empty module list.\n"); 6012863Sgabeblack@google.com panic_if(_modules.back() != this, 6112863Sgabeblack@google.com "Popping module which isn't at the end of the module list.\n"); 6212863Sgabeblack@google.com} 6312863Sgabeblack@google.com 6412863Sgabeblack@google.comModule * 6512863Sgabeblack@google.comtopModule() 6612863Sgabeblack@google.com{ 6712863Sgabeblack@google.com return _top_module; 6812863Sgabeblack@google.com} 6912863Sgabeblack@google.com 7012863Sgabeblack@google.com} // namespace SystemC 71