1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * Authors: Gabe Black
28 */
29
30#include "systemc/core/module.hh"
31
32#include <list>
33
34#include "base/logging.hh"
35
36namespace SystemC
37{
38
39namespace
40{
41
42std::list<Module *> _modules;
43
44Module *_top_module = nullptr;
45
46} // anonymous namespace
47
48void
49Module::push()
50{
51 if (!_top_module)
52 _top_module = this;
53 _modules.push_back(this);
54}
55
56void
57Module::pop()
58{
59 panic_if(_modules.size(), "Popping from empty module list.\n");
60 panic_if(_modules.back() != this,
61 "Popping module which isn't at the end of the module list.\n");
62}
63
64Module *
65topModule()
66{
67 return _top_module;
68}
69
70} // namespace SystemC