gcc/context.h

   1 /* context.h - Holder for global state
   2    Copyright (C) 2013-2017 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along 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
  23 namespace gcc {
  24
  25 class pass_manager;
  26 class 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.  */
  31 class context
  32 {
  33 public:
  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
  54 private:
  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).  */
  67 extern gcc::context *g;
  68
  69 #endif /* ! GCC_CONTEXT_H */