gcc/objcp/objcp-decl.h

   1 /* Process the ObjC-specific declarations and variables for
   2    the Objective-C++ compiler.
   3    Copyright (C) 2005 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 2, 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 COPYING.  If not, write to the Free
  20 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  21 02110-1301, USA.  */
  22
  23 #ifndef GCC_OBJCP_DECL_H
  24 #define GCC_OBJCP_DECL_H
  25
  26 extern tree objcp_start_struct (enum tree_code, tree);
  27 extern tree objcp_finish_struct (tree, tree, tree);
  28 extern void objcp_finish_function (void);
  29 extern tree objcp_lookup_name (tree);
  30 extern tree objcp_build_function_call (tree, tree);
  31 extern tree objcp_xref_tag (enum tree_code, tree);
  32 extern int objcp_comptypes (tree, tree);
  33 extern tree objcp_builtin_function (const char *, tree, int,
  34                                     enum built_in_class, const char *, tree);
  35 extern tree objcp_begin_compound_stmt (int);
  36 extern tree objcp_end_compound_stmt (tree, int);
  37
  38 /* Now "cover up" the corresponding C++ functions if required (NB: the
  39    OBJCP_ORIGINAL_FUNCTION macro, shown below, can still be used to
  40    invoke the original C++ functions if needed).  */
  41 #ifdef OBJCP_REMAP_FUNCTIONS
  42
  43 #define start_struct(code, name) \
  44         objcp_start_struct (code, name)
  45 #define finish_struct(t, fieldlist, attributes) \
  46         objcp_finish_struct (t, fieldlist, attributes)
  47 #define finish_function() \
  48         objcp_finish_function ()
  49 #define lookup_name(name) \
  50         objcp_lookup_name (name)
  51 #define xref_tag(code, name) \
  52         objcp_xref_tag (code, name)
  53 #define comptypes(type1, type2) \
  54         objcp_comptypes (type1, type2)
  55 #define c_begin_compound_stmt(flags) \
  56         objcp_begin_compound_stmt (flags)
  57 #define c_end_compound_stmt(stmt, flags) \
  58         objcp_end_compound_stmt (stmt, flags)
  59
  60 #undef OBJC_TYPE_NAME
  61 #define OBJC_TYPE_NAME(type) \
  62   (TYPE_NAME (type) && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL \
  63    ? DECL_NAME (TYPE_NAME (type)) \
  64    : TYPE_NAME (type))
  65 #undef OBJC_SET_TYPE_NAME
  66 #define OBJC_SET_TYPE_NAME(type, name) \
  67   if(TYPE_NAME (type) && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL) \
  68     DECL_NAME (TYPE_NAME (type)) = name; \
  69   else \
  70     TYPE_NAME (type) = name;
  71
  72 #undef TYPE_OBJC_INFO
  73 #define TYPE_OBJC_INFO(TYPE) LANG_TYPE_CLASS_CHECK (TYPE)->objc_info
  74 #undef SIZEOF_OBJC_TYPE_LANG_SPECIFIC
  75 #define SIZEOF_OBJC_TYPE_LANG_SPECIFIC sizeof (struct lang_type_class)
  76 #undef ALLOC_OBJC_TYPE_LANG_SPECIFIC
  77 #define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)                             \
  78   do {                                                                  \
  79     TYPE_LANG_SPECIFIC (NODE) = GGC_CNEWVAR                             \
  80       (struct lang_type, sizeof (struct lang_type_class));              \
  81     TYPE_LANG_SPECIFIC (NODE)->u.c.h.is_lang_type_class = 1;            \
  82   } while (0)
  83
  84 #define OBJCP_ORIGINAL_FUNCTION(name, args)     (name)args
  85
  86 /* C++ marks ellipsis-free function parameters differently from C.  */
  87 #undef OBJC_VOID_AT_END
  88 #define OBJC_VOID_AT_END        void_list_node
  89
  90 #endif  /* OBJCP_REMAP_FUNCTIONS */
  91
  92 #endif /* ! GCC_OBJCP_DECL_H */