1  /* m2except.h header file for m2except.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(m2except_h)
      23  #define m2except_h
      24  #if defined(m2except_c)
      25  #if defined(__GNUG__)
      26  #define EXTERN extern "C"
      27  #else /* !__GNUG__.  */
      28  #define EXTERN
      29  #endif /* !__GNUG__.  */
      30  #else /* !m2except_c.  */
      31  #if defined(__GNUG__)
      32  #define EXTERN extern "C"
      33  #else /* !__GNUG__.  */
      34  #define EXTERN extern
      35  #endif /* !__GNUG__.  */
      36  #endif /* !m2except_c.  */
      37  
      38  /* InitExceptions - initialize this module, it declares the external
      39     functions and assigns them to the appropriate global tree
      40     variables.  */
      41  
      42  EXTERN void m2except_InitExceptions (location_t location);
      43  
      44  /* BuildThrow - builds a throw statement and return the tree.  */
      45  
      46  EXTERN tree m2except_BuildThrow (location_t location, tree exp);
      47  
      48  /* BuildTryBegin - returns a tree representing the 'try' block.  */
      49  
      50  EXTERN tree m2except_BuildTryBegin (location_t location);
      51  
      52  /* BuildTryEnd - builds the end of the Try block and prepares for the
      53     catch handlers.  */
      54  
      55  EXTERN void m2except_BuildTryEnd (tree tryBlock);
      56  
      57  /* BuildCatchBegin - creates a handler tree for the C++ statement
      58     'catch (...) {'.  It returns the handler tree.  */
      59  
      60  EXTERN tree m2except_BuildCatchBegin (location_t location);
      61  
      62  /* BuildCatchEnd - completes a try catch block.  It returns the,
      63     try_block, tree.  It creates the C++ statement
      64  
      65  '}' which matches the catch above.  */
      66  
      67  EXTERN tree m2except_BuildCatchEnd (location_t location, tree handler,
      68                                      tree tryBlock);
      69  
      70  #endif  /* m2except_h.  */