context.h revision 1.1.1.4 
1/* context.h - Holder for global state
2   Copyright (C) 2013-2018 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_CONTEXT_H
21#define GCC_CONTEXT_H
22
23namespace gcc {
24
25class pass_manager;
26class dump_manager;
27
28/* GCC's internal state can be divided into zero or more
29   "parallel universe" of state; an instance of this class is one such
30   context of state.  */
31class context
32{
33public:
34  context ();
35  ~context ();
36
37  /* The flag shows if there are symbols to be streamed for offloading.  */
38  bool have_offload;
39
40  /* Pass-management.  */
41
42  void set_passes (pass_manager *m)
43  {
44    gcc_assert (!m_passes);
45    m_passes = m;
46  }
47
48  pass_manager *get_passes () { gcc_assert (m_passes); return m_passes; }
49
50  /* Handling dump files.  */
51
52  dump_manager *get_dumps () {gcc_assert (m_dumps); return m_dumps; }
53
54private:
55  /* Pass-management.  */
56  pass_manager *m_passes;
57
58  /* Dump files.  */
59  dump_manager *m_dumps;
60
61}; // class context
62
63} // namespace gcc
64
65/* The global singleton context aka "g".
66   (the name is chosen to be easy to type in a debugger).  */
67extern gcc::context *g;
68
69#endif /* ! GCC_CONTEXT_H */
70