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/*
* Copyright 2018 Google, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#include "systemc/core/module.hh"
#include <cassert>
#include <list>
#include "base/logging.hh"
namespace sc_gem5
{
namespace
{
std::list<Module *> _modules;
Module *_new_module;
} // anonymous namespace
Module::Module(const char *name) : _name(name), _sc_mod(nullptr), _obj(nullptr)
{
panic_if(_new_module, "Previous module not finished.\n");
_new_module = this;
}
void
Module::finish(Object *this_obj)
{
assert(!_obj);
_obj = this_obj;
_modules.push_back(this);
_new_module = nullptr;
}
void
Module::pop()
{
panic_if(!_modules.size(), "Popping from empty module list.\n");
panic_if(_modules.back() != this,
"Popping module which isn't at the end of the module list.\n");
panic_if(_new_module, "Pop with unfinished module.\n");
_modules.pop_back();
}
Module *
currentModule()
{
if (_modules.empty())
return nullptr;
return _modules.back();
}
Module *
newModule()
{
return _new_module;
}
} // namespace sc_gem5
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