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/* Variables and structures for declaration processing.
Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* In grokdeclarator, distinguish syntactic contexts of declarators. */
enum decl_context
{ NORMAL, /* Ordinary declaration */
FUNCDEF, /* Function definition */
PARM, /* Declaration of parm before function body */
FIELD, /* Declaration inside struct or union */
BITFIELD, /* Likewise but with specified width */
TYPENAME, /* Typename (inside cast or sizeof) */
MEMFUNCDEF /* Member function definition */
};
/* C++: Keep these around to reduce calls to `get_identifier'.
Identifiers for `this' in member functions and the auto-delete
parameter for destructors. */
extern tree this_identifier, in_charge_identifier;
/* Parsing a function declarator leaves a list of parameter names
or a chain or parameter decls here. */
extern tree last_function_parms;
/* A list of static class variables. This is needed, because a
static class variable can be declared inside the class without
an initializer, and then initialized, staticly, outside the class. */
extern tree pending_statics;
/* A list of objects which have constructors or destructors
which reside in the global scope. The decl is stored in
the TREE_VALUE slot and the initializer is stored
in the TREE_PURPOSE slot. */
extern tree static_aggregates;
#ifdef DEBUG_CP_BINDING_LEVELS
/* Purely for debugging purposes. */
extern int debug_bindings_indentation;
#endif
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