1 /* Variables and structures for declaration processing. 2 Copyright (C) 1993 Free Software Foundation, Inc. 3 4 This file is part of GNU CC. 5 6 GNU CC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU CC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU CC; see the file COPYING. If not, write to 18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 19 20 /* In grokdeclarator, distinguish syntactic contexts of declarators. */ 21 enum decl_context 22 { NORMAL, /* Ordinary declaration */ 23 FUNCDEF, /* Function definition */ 24 PARM, /* Declaration of parm before function body */ 25 FIELD, /* Declaration inside struct or union */ 26 BITFIELD, /* Likewise but with specified width */ 27 TYPENAME, /* Typename (inside cast or sizeof) */ 28 MEMFUNCDEF /* Member function definition */ 29 }; 30 31 /* C++: Keep these around to reduce calls to `get_identifier'. 32 Identifiers for `this' in member functions and the auto-delete 33 parameter for destructors. */ 34 extern tree this_identifier, in_charge_identifier; 35 36 /* Parsing a function declarator leaves a list of parameter names 37 or a chain or parameter decls here. */ 38 extern tree last_function_parms; 39 40 /* A list of static class variables. This is needed, because a 41 static class variable can be declared inside the class without 42 an initializer, and then initialized, staticly, outside the class. */ 43 extern tree pending_statics; 44 45 /* A list of objects which have constructors or destructors 46 which reside in the global scope. The decl is stored in 47 the TREE_VALUE slot and the initializer is stored 48 in the TREE_PURPOSE slot. */ 49 extern tree static_aggregates; 50 51 /* A list of functions which were declared inline, but later had their 52 address taken. Used only for non-virtual member functions, since we can 53 find other functions easily enough. */ 54 extern tree pending_addressable_inlines; 55 56 #ifdef DEBUG_CP_BINDING_LEVELS 57 /* Purely for debugging purposes. */ 58 extern int debug_bindings_indentation; 59 #endif 60