gcc/context.h

   1 /* context.h - Holder for global state
   2    Copyright (C) 2013 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
  27 /* GCC's internal state can be divided into zero or more
  28    "parallel universe" of state; an instance of this class is one such
  29    context of state.  */
  30 class context
  31 {
  32 public:
  33   context();
  34
  35   /* Pass-management.  */
  36
  37   pass_manager *get_passes () { gcc_assert (passes_); return passes_; }
  38
  39 private:
  40   /* Pass-management.  */
  41   pass_manager *passes_;
  42
  43 }; // class context
  44
  45 } // namespace gcc
  46
  47 /* The global singleton context aka "g".
  48    (the name is chosen to be easy to type in a debugger).  */
  49 extern gcc::context *g;
  50
  51 #endif /* ! GCC_CONTEXT_H */