1 /* Process the ObjC-specific declarations and variables for
2    the Objective-C++ compiler.
3    Copyright (C) 2005, 2007, 2009, 2010 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 */
90