Update contrib/tools/bison to 3.7.6

583623e1fb299df0a04a0aecdc47eb759ef412b9

1 files changed, 73 insertions, 0 deletions

diff --git a/contrib/tools/bison/lib/gl_rbtree_oset.c b/contrib/tools/bison/lib/gl_rbtree_oset.c
new file mode 100644
index 0000000000..bc55ace32f
--- /dev/null
+++ b/contrib/tools/bison/lib/gl_rbtree_oset.c
@@ -0,0 +1,73 @@
+/* Ordered set data type implemented by a binary tree.
+   Copyright (C) 2006-2007, 2009-2020 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2006.
+
+   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 3 of the License, 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, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "gl_rbtree_oset.h"
+
+#include <stdlib.h>
+
+/* -------------------------- gl_oset_t Data Type -------------------------- */
+
+/* Parameterization of gl_rbtree_ordered.h.  */
+#define CONTAINER_T gl_oset_t
+#define CONTAINER_IMPL gl_oset_impl
+#define CONTAINER_IMPL_BASE gl_oset_impl_base
+#define NODE_IMPL gl_oset_node_impl
+#define NODE_T gl_oset_node_t
+#define NODE_PAYLOAD_FIELDS \
+  const void *value;
+#define NODE_PAYLOAD_PARAMS \
+  const void *elt
+#define NODE_PAYLOAD_ASSIGN(node) \
+  node->value = elt;
+#define NODE_PAYLOAD_DISPOSE(container, node) \
+  if (container->base.dispose_fn != NULL) \
+    container->base.dispose_fn (node->value);
+
+#include "gl_rbtree_ordered.h"
+
+/* Generic binary tree code.  */
+#include "gl_anytree_oset.h"
+
+/* For debugging.  */
+void
+gl_rbtree_oset_check_invariants (gl_oset_t set)
+{
+  size_t counter = 0;
+  if (set->root != NULL)
+    check_invariants (set->root, NULL, &counter);
+  if (!(set->count == counter))
+    abort ();
+}
+
+const struct gl_oset_implementation gl_rbtree_oset_implementation =
+  {
+    gl_tree_nx_create_empty,
+    gl_tree_size,
+    gl_tree_search,
+    gl_tree_search_atleast,
+    gl_tree_nx_add,
+    gl_tree_remove,
+    gl_tree_update,
+    gl_tree_oset_free,
+    gl_tree_iterator,
+    gl_tree_iterator_atleast,
+    gl_tree_iterator_next,
+    gl_tree_iterator_free
+  };