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-rw-r--r--contrib/gcc/cpphash.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/contrib/gcc/cpphash.c b/contrib/gcc/cpphash.c
deleted file mode 100644
index 1e07f41..0000000
--- a/contrib/gcc/cpphash.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* Hash tables for the CPP library.
- Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1998,
- 1999, 2000, 2001, 2002 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
-later version.
-
-This program 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 this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- 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
- what you give them. Help stamp out software-hoarding! */
-
-#include "config.h"
-#include "system.h"
-#include "cpplib.h"
-#include "cpphash.h"
-
-static cpp_hashnode *alloc_node (hash_table *);
-
-/* Return an identifier node for hashtable.c. Used by cpplib except
- when integrated with the C front ends. */
-static cpp_hashnode *
-alloc_node (hash_table *table)
-{
- cpp_hashnode *node;
-
- node = obstack_alloc (&table->pfile->hash_ob, sizeof (cpp_hashnode));
- memset (node, 0, sizeof (cpp_hashnode));
- return 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)
-{
- struct spec_nodes *s;
-
- if (table == NULL)
- {
- pfile->our_hashtable = 1;
- table = ht_create (13); /* 8K (=2^13) entries. */
- table->alloc_node = (hashnode (*) (hash_table *)) alloc_node;
-
- _obstack_begin (&pfile->hash_ob, 0, 0,
- (void *(*) (long)) xmalloc,
- (void (*) (void *)) free);
- }
-
- table->pfile = pfile;
- pfile->hash_table = table;
-
- /* Now we can initialize things that use the hash table. */
- _cpp_init_directives (pfile);
- _cpp_init_internal_pragmas (pfile);
-
- s = &pfile->spec_nodes;
- s->n_defined = cpp_lookup (pfile, DSC("defined"));
- s->n_true = cpp_lookup (pfile, DSC("true"));
- 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;
-}
-
-/* Tear down the identifier hash table. */
-void
-_cpp_destroy_hashtable (cpp_reader *pfile)
-{
- if (pfile->our_hashtable)
- {
- ht_destroy (pfile->hash_table);
- obstack_free (&pfile->hash_ob, 0);
- }
-}
-
-/* Returns the hash entry for the STR of length LEN, creating one
- if necessary. */
-cpp_hashnode *
-cpp_lookup (cpp_reader *pfile, const unsigned char *str, unsigned int len)
-{
- /* ht_lookup cannot return NULL. */
- return CPP_HASHNODE (ht_lookup (pfile->hash_table, str, len, HT_ALLOC));
-}
-
-/* Determine whether the str STR, of length LEN, is a defined macro. */
-int
-cpp_defined (cpp_reader *pfile, const unsigned char *str, int len)
-{
- cpp_hashnode *node;
-
- 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;
-}
-
-/* For all nodes in the hashtable, callback CB with parameters PFILE,
- the node, and V. */
-void
-cpp_forall_identifiers (cpp_reader *pfile, cpp_cb cb, void *v)
-{
- /* We don't need a proxy since the hash table's identifier comes
- first in cpp_hashnode. */
- ht_forall (pfile->hash_table, (ht_cb) cb, v);
-}
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