1/* Process the ObjC-specific declarations and variables for
2   the Objective-C++ compiler.
3   Copyright (C) 2005-2015 Free Software Foundation, Inc.
4   Contributed by Ziemowit Laski  <zlaski@apple.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along 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
26extern tree objcp_start_struct (location_t, enum tree_code, tree);
27extern tree objcp_finish_struct (location_t, tree, tree, tree);
28extern void objcp_finish_function (void);
29extern tree objcp_build_function_call (tree, tree);
30extern tree objcp_xref_tag (enum tree_code, tree);
31extern int objcp_comptypes (tree, tree);
32extern tree objcp_begin_compound_stmt (int);
33extern 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_class)
66#undef ALLOC_OBJC_TYPE_LANG_SPECIFIC
67#define ALLOC_OBJC_TYPE_LANG_SPECIFIC(NODE)				\
68  do {									\
69    TYPE_LANG_SPECIFIC (NODE) = (struct lang_type *) \
70      ggc_internal_cleared_alloc (sizeof (struct lang_type_class));	\
71    TYPE_LANG_SPECIFIC (NODE)->u.c.h.is_lang_type_class = 1;		\
72  } while (0)
73
74#define OBJCP_ORIGINAL_FUNCTION(name, args) 	(name)args
75
76/* C++ marks ellipsis-free function parameters differently from C.  */
77#undef OBJC_VOID_AT_END
78#define OBJC_VOID_AT_END        void_list_node
79
80#endif  /* OBJCP_REMAP_FUNCTIONS */
81
82#endif /* ! GCC_OBJCP_DECL_H */
83