Line data    Source code

       1              : /* RAII wrapper around obstack.
       2              :    Copyright (C) 2024-2026 Free Software Foundation, Inc.
       3              :    Contributed by David Malcolm <dmalcolm@redhat.com>.
       4              : 
       5              : This file is part of GCC.
       6              : 
       7              : GCC is free software; you can redistribute it and/or modify it
       8              : under the terms of the GNU General Public License as published by
       9              : the Free Software Foundation; either version 3, or (at your option)
      10              : any later version.
      11              : 
      12              : GCC is distributed in the hope that it will be useful, but
      13              : WITHOUT ANY WARRANTY; without even the implied warranty of
      14              : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15              : General Public License for more details.
      16              : 
      17              : You should have received a copy of the GNU General Public License
      18              : along with GCC; see the file COPYING3.  If not see
      19              : <http://www.gnu.org/licenses/>.  */
      20              : 
      21              : #ifndef GCC_AUTO_OBSTACK_H
      22              : #define GCC_AUTO_OBSTACK_H
      23              : 
      24              : /* RAII wrapper around obstack.  */
      25              : 
      26              : struct auto_obstack
      27              : {
      28            4 :   auto_obstack ()
      29            4 :   {
      30            4 :     obstack_init (&m_obstack);
      31            4 :   }
      32              : 
      33            4 :   ~auto_obstack ()
      34              :   {
      35            4 :     obstack_free (&m_obstack, NULL);
      36            4 :   }
      37              : 
      38            4 :   operator obstack & () { return m_obstack; }
      39              : 
      40              :   void grow (const void *src, size_t length)
      41              :   {
      42              :     obstack_grow (&m_obstack, src, length);
      43              :   }
      44              : 
      45              :   void *object_base () const
      46              :   {
      47              :     return m_obstack.object_base;
      48              :   }
      49              : 
      50              :   size_t object_size () const
      51              :   {
      52              :     return obstack_object_size (&m_obstack);
      53              :   }
      54              : 
      55              :   obstack m_obstack;
      56              : };
      57              : 
      58              : #endif /* GCC_AUTO_OBSTACK_H */