1  /* Process the ObjC-specific declarations and variables for 
       2     the Objective-C++ compiler.
       3     Copyright (C) 2005-2023 Free Software Foundation, Inc.
       4     Contributed by Ziemowit Laski  <zlaski@apple.com>
       5  
       6  This file is part of GCC.
       7  
       8  GCC is free software; you can redistribute it and/or modify it under
       9  the terms of the GNU General Public License as published by the Free
      10  Software Foundation; either version 3, or (at your option) any later
      11  version.
      12  
      13  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      14  WARRANTY; without even the implied warranty of MERCHANTABILITY or
      15  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      16  for more details.
      17  
      18  You should have received a copy of the GNU General Public License
      19  along with GCC; see the file COPYING3.  If not see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  
      23  #ifndef GCC_OBJCP_DECL_H
      24  #define GCC_OBJCP_DECL_H
      25  
      26  extern tree objcp_start_struct (location_t, enum tree_code, tree);
      27  extern tree objcp_finish_struct (location_t, tree, tree, tree);
      28  extern void objcp_finish_function (void);
      29  extern tree objcp_build_function_call (tree, tree);
      30  extern tree objcp_xref_tag (enum tree_code, tree);
      31  extern int objcp_comptypes (tree, tree);
      32  extern tree objcp_begin_compound_stmt (int);
      33  extern tree objcp_end_compound_stmt (tree, int);
      34  
      35  /* Now "cover up" the corresponding C++ functions if required (NB: the 
      36     OBJCP_ORIGINAL_FUNCTION macro, shown below, can still be used to
      37     invoke the original C++ functions if needed).  */
      38  #ifdef OBJCP_REMAP_FUNCTIONS
      39  
      40  #define start_struct(loc, code, name, struct_info) \
      41  	objcp_start_struct (loc, code, name)
      42  #define finish_struct(loc, t, fieldlist, attributes, struct_info) \
      43  	objcp_finish_struct (loc, t, fieldlist, attributes)
      44  #define finish_function() \
      45  	objcp_finish_function ()
      46  #define finish_decl(decl, loc, init, origtype, asmspec) \
      47  	cp_finish_decl (decl, init, false, asmspec, 0)
      48  #define xref_tag(code, name) \
      49  	objcp_xref_tag (code, name)
      50  #define comptypes(type1, type2) \
      51  	objcp_comptypes (type1, type2)
      52  #define c_begin_compound_stmt(flags) \
      53  	objcp_begin_compound_stmt (flags)
      54  #define c_end_compound_stmt(loc, stmt, flags)	\
      55  	objcp_end_compound_stmt (stmt, flags)
      56  
      57  #undef OBJC_TYPE_NAME
      58  #define OBJC_TYPE_NAME(type) (TYPE_IDENTIFIER (type))
      59  #undef OBJC_SET_TYPE_NAME
      60  #define OBJC_SET_TYPE_NAME(type, name) (TYPE_IDENTIFIER (type) = (name))
      61  
      62  #undef TYPE_OBJC_INFO
      63  #define TYPE_OBJC_INFO(TYPE) LANG_TYPE_CLASS_CHECK (TYPE)->objc_info
      64  #undef SIZEOF_OBJC_TYPE_LANG_SPECIFIC
      65  #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type)
      66  #undef ALLOC_OBJC_TYPE_LANG_SPECIFIC
      67  #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)			\
      68    (TYPE_LANG_SPECIFIC (NODE) = (struct lang_type *)		\
      69     ggc_internal_cleared_alloc (SIZEOF_OBJC_TYPE_LANG_SPECIFIC))
      70  
      71  #define OBJCP_ORIGINAL_FUNCTION(name, args) 	(name)args
      72  
      73  /* C++ marks ellipsis-free function parameters differently from C.  */
      74  #undef OBJC_VOID_AT_END
      75  #define OBJC_VOID_AT_END        void_list_node
      76  
      77  #endif  /* OBJCP_REMAP_FUNCTIONS */
      78  
      79  #endif /* ! GCC_OBJCP_DECL_H */