context.h

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/* context.h - Holder for global state
   Copyright (C) 2013 Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.

GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifndef GCC_CONTEXT_H
#define GCC_CONTEXT_H

namespace gcc {

class pass_manager;

/* GCC's internal state can be divided into zero or more
   "parallel universe" of state; an instance of this class is one such
   context of state.  */
class context
{
public:
  context();

  /* Pass-management.  */

  pass_manager *get_passes () { gcc_assert (passes_); return passes_; }

private:
  /* Pass-management.  */
  pass_manager *passes_;

}; // class context

} // namespace gcc

/* The global singleton context aka "g".
   (the name is chosen to be easy to type in a debugger).  */
extern gcc::context *g;

#endif /* ! GCC_CONTEXT_H */