decl.h revision 18334
1/* Variables and structures for declaration processing.
2   Copyright (C) 1993 Free Software Foundation, Inc.
3
4This file is part of GNU CC.
5
6GNU CC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11GNU CC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GNU CC; see the file COPYING.  If not, write to
18the Free Software Foundation, 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA.  */
20
21/* In grokdeclarator, distinguish syntactic contexts of declarators.  */
22enum decl_context
23{ NORMAL,			/* Ordinary declaration */
24  FUNCDEF,			/* Function definition */
25  PARM,				/* Declaration of parm before function body */
26  CATCHPARM,			/* Declaration of catch parm */
27  FIELD,			/* Declaration inside struct or union */
28  BITFIELD,			/* Likewise but with specified width */
29  TYPENAME,			/* Typename (inside cast or sizeof)  */
30  MEMFUNCDEF			/* Member function definition */
31};
32
33/* We need this in here to get the decl_context definition.  */
34extern tree grokdeclarator			PROTO((tree, tree, enum decl_context, int, tree, tree));
35
36/* C++: Keep these around to reduce calls to `get_identifier'.
37   Identifiers for `this' in member functions and the auto-delete
38   parameter for destructors.  */
39extern tree this_identifier, in_charge_identifier;
40
41/* Parsing a function declarator leaves a list of parameter names
42   or a chain or parameter decls here.  */
43extern tree last_function_parms;
44
45/* A list of static class variables.  This is needed, because a
46   static class variable can be declared inside the class without
47   an initializer, and then initialized, staticly, outside the class.  */
48extern tree pending_statics;
49
50/* A list of objects which have constructors or destructors
51   which reside in the global scope.  The decl is stored in
52   the TREE_VALUE slot and the initializer is stored
53   in the TREE_PURPOSE slot.  */
54extern tree static_aggregates;
55
56#ifdef DEBUG_CP_BINDING_LEVELS
57/* Purely for debugging purposes.  */
58extern int debug_bindings_indentation;
59#endif
60