1  /* m2tree.h header file for m2tree.cc.
       2  
       3  Copyright (C) 2012-2023 Free Software Foundation, Inc.
       4  Contributed by Gaius Mulley <gaius@glam.ac.uk>.
       5  
       6  This file is part of GNU Modula-2.
       7  
       8  GNU Modula-2 is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU General Public License as published by
      10  the Free Software Foundation; either version 3, or (at your option)
      11  any later version.
      12  
      13  GNU Modula-2 is distributed in the hope that it will be useful, but
      14  WITHOUT ANY WARRANTY; without even the implied warranty of
      15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16  General Public License for more details.
      17  
      18  You should have received a copy of the GNU General Public License
      19  along with GNU Modula-2; see the file COPYING3.  If not see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  #if !defined(m2tree_h)
      23  #define m2tree_h
      24  #if defined(m2tree_c)
      25  #if defined(__GNUG__)
      26  #define EXTERN extern "C"
      27  #else /* !__GNUG__.  */
      28  #define EXTERN
      29  #endif /* !__GNUG__.  */
      30  #else /* m2tree_c.  */
      31  #if defined(__GNUG__)
      32  #define EXTERN extern "C"
      33  #else /* !__GNUG__.  */
      34  #define EXTERN extern
      35  #endif /* !__GNUG__.  */
      36  #endif /* m2tree_c.  */
      37  
      38  #include "input.h"
      39  #include <stdbool.h>
      40  
      41  EXTERN bool m2tree_is_var (tree var);
      42  EXTERN bool m2tree_is_array (tree array);
      43  EXTERN bool m2tree_is_type (tree type);
      44  EXTERN tree m2tree_skip_type_decl (tree type);
      45  EXTERN tree m2tree_skip_const_decl (tree exp);
      46  EXTERN bool m2tree_IsTreeOverflow (tree value);
      47  EXTERN bool m2tree_IsOrdinal (tree type);
      48  EXTERN bool m2tree_IsAConstant (tree t);
      49  EXTERN void m2tree_debug_tree (tree t);
      50  EXTERN tree m2tree_skip_reference_type (tree exp);
      51  
      52  
      53  #ifndef SET_WORD_SIZE
      54  /* gross hack.  */
      55  #define SET_WORD_SIZE INT_TYPE_SIZE
      56  #endif /* SET_WORD_SIZE.  */
      57  
      58  #undef EXTERN
      59  #endif /* m2tree_h.  */