gcc/objcp/objcp-decl.h

   1 /* Process the ObjC-specific declarations and variables for
   2    the Objective-C++ compiler.
   3    Copyright (C) 2005, 2007, 2009 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) \
  59   (TYPE_NAME (type) && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL \
  60    ? DECL_NAME (TYPE_NAME (type)) \
  61    : TYPE_NAME (type))
  62 #undef OBJC_SET_TYPE_NAME
  63 #define OBJC_SET_TYPE_NAME(type, name) \
  64   if(TYPE_NAME (type) && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL) \
  65     DECL_NAME (TYPE_NAME (type)) = name; \
  66   else \
  67     TYPE_NAME (type) = name;
  68
  69 #undef TYPE_OBJC_INFO
  70 #define TYPE_OBJC_INFO(TYPE) LANG_TYPE_CLASS_CHECK (TYPE)->objc_info
  71 #undef SIZEOF_OBJC_TYPE_LANG_SPECIFIC
  72 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type_class)
  73 #undef ALLOC_OBJC_TYPE_LANG_SPECIFIC
  74 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)                             \
  75   do {                                                                  \
  76     TYPE_LANG_SPECIFIC (NODE) = ggc_alloc_cleared_lang_type             \
  77       (sizeof (struct lang_type_class));                \
  78     TYPE_LANG_SPECIFIC (NODE)->u.c.h.is_lang_type_class = 1;            \
  79   } while (0)
  80
  81 #define OBJCP_ORIGINAL_FUNCTION(name, args)     (name)args
  82
  83 /* C++ marks ellipsis-free function parameters differently from C.  */
  84 #undef OBJC_VOID_AT_END
  85 #define OBJC_VOID_AT_END        void_list_node
  86
  87 #endif  /* OBJCP_REMAP_FUNCTIONS */
  88
  89 #endif /* ! GCC_OBJCP_DECL_H */