/* Hash tables for the CPP library.
- Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1998,
- 1999, 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
Written by Per Bothner, 1994.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
This program 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
+Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+along with this program; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
#include "cpplib.h"
#include "internal.h"
-static hashnode alloc_node (hash_table *);
+static hashnode alloc_node (cpp_hash_table *);
/* Return an identifier node for hashtable.c. Used by cpplib except
when integrated with the C front ends. */
static hashnode
-alloc_node (hash_table *table)
+alloc_node (cpp_hash_table *table)
{
cpp_hashnode *node;
/* Set up the identifier hash table. Use TABLE if non-null, otherwise
create our own. */
void
-_cpp_init_hashtable (cpp_reader *pfile, hash_table *table)
+_cpp_init_hashtable (cpp_reader *pfile, cpp_hash_table *table)
{
struct spec_nodes *s;
table = ht_create (13); /* 8K (=2^13) entries. */
table->alloc_node = alloc_node;
- _obstack_begin (&pfile->hash_ob, 0, 0,
- (void *(*) (long)) xmalloc,
- (void (*) (void *)) free);
+ obstack_specify_allocation (&pfile->hash_ob, 0, 0, xmalloc, free);
}
table->pfile = pfile;
s->n_false = cpp_lookup (pfile, DSC("false"));
s->n__VA_ARGS__ = cpp_lookup (pfile, DSC("__VA_ARGS__"));
s->n__VA_ARGS__->flags |= NODE_DIAGNOSTIC;
+ s->n__VA_OPT__ = cpp_lookup (pfile, DSC("__VA_OPT__"));
+ s->n__VA_OPT__->flags |= NODE_DIAGNOSTIC;
+ /* __has_include{,_next} are inited in cpp_init_builtins. */
}
/* Tear down the identifier hash table. */
node = CPP_HASHNODE (ht_lookup (pfile->hash_table, str, len, HT_NO_INSERT));
- /* If it's of type NT_MACRO, it cannot be poisoned. */
- return node && node->type == NT_MACRO;
+ /* If it's a macro, it cannot have been poisoned. */
+ return node && cpp_macro_p (node);
}
/* We don't need a proxy since the hash table's identifier comes first