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authoraxc <axc@yandex-team.ru>2022-02-10 16:47:36 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:47:36 +0300
commit7b659037613268d5eac4a1b6a7c5eff3cd36d4bf (patch)
treec0748b5dcbade83af788c0abfa89c0383d6b779c /contrib/tools/bison/gnulib/src/gl_anytree_oset.h
parent1f5217043ad70f25dc35e75b3bd261a1e23d045e (diff)
downloadydb-7b659037613268d5eac4a1b6a7c5eff3cd36d4bf.tar.gz
Restoring authorship annotation for <axc@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/tools/bison/gnulib/src/gl_anytree_oset.h')
-rw-r--r--contrib/tools/bison/gnulib/src/gl_anytree_oset.h594
1 files changed, 297 insertions, 297 deletions
diff --git a/contrib/tools/bison/gnulib/src/gl_anytree_oset.h b/contrib/tools/bison/gnulib/src/gl_anytree_oset.h
index 738115c640..e1f90a99a2 100644
--- a/contrib/tools/bison/gnulib/src/gl_anytree_oset.h
+++ b/contrib/tools/bison/gnulib/src/gl_anytree_oset.h
@@ -1,297 +1,297 @@
-/* Ordered set data type implemented by a binary tree.
- Copyright (C) 2006-2007, 2009-2013 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 <http://www.gnu.org/licenses/>. */
-
-/* Common code of gl_avltree_oset.c and gl_rbtree_oset.c. */
-
-/* An item on the stack used for iterating across the elements. */
-typedef struct
-{
- gl_oset_node_t node;
- bool rightp;
-} iterstack_item_t;
-
-/* A stack used for iterating across the elements. */
-typedef iterstack_item_t iterstack_t[MAXHEIGHT];
-
-static gl_oset_t
-gl_tree_nx_create_empty (gl_oset_implementation_t implementation,
- gl_setelement_compar_fn compar_fn,
- gl_setelement_dispose_fn dispose_fn)
-{
- struct gl_oset_impl *set =
- (struct gl_oset_impl *) malloc (sizeof (struct gl_oset_impl));
-
- if (set == NULL)
- return NULL;
-
- set->base.vtable = implementation;
- set->base.compar_fn = compar_fn;
- set->base.dispose_fn = dispose_fn;
- set->root = NULL;
- set->count = 0;
-
- return set;
-}
-
-static size_t
-gl_tree_size (gl_oset_t set)
-{
- return set->count;
-}
-
-static bool
-gl_tree_search (gl_oset_t set, const void *elt)
-{
- gl_setelement_compar_fn compar = set->base.compar_fn;
- gl_oset_node_t node;
-
- for (node = set->root; node != NULL; )
- {
- int cmp = (compar != NULL
- ? compar (node->value, elt)
- : (node->value > elt ? 1 :
- node->value < elt ? -1 : 0));
-
- if (cmp < 0)
- node = node->right;
- else if (cmp > 0)
- node = node->left;
- else /* cmp == 0 */
- /* We have an element equal to ELT. */
- return true;
- }
- return false;
-}
-
-static bool
-gl_tree_search_atleast (gl_oset_t set,
- gl_setelement_threshold_fn threshold_fn,
- const void *threshold,
- const void **eltp)
-{
- gl_oset_node_t node;
-
- for (node = set->root; node != NULL; )
- {
- if (! threshold_fn (node->value, threshold))
- node = node->right;
- else
- {
- /* We have an element >= VALUE. But we need the leftmost such
- element. */
- gl_oset_node_t found = node;
- node = node->left;
- for (; node != NULL; )
- {
- if (! threshold_fn (node->value, threshold))
- node = node->right;
- else
- {
- found = node;
- node = node->left;
- }
- }
- *eltp = found->value;
- return true;
- }
- }
- return false;
-}
-
-static gl_oset_node_t
-gl_tree_search_node (gl_oset_t set, const void *elt)
-{
- gl_setelement_compar_fn compar = set->base.compar_fn;
- gl_oset_node_t node;
-
- for (node = set->root; node != NULL; )
- {
- int cmp = (compar != NULL
- ? compar (node->value, elt)
- : (node->value > elt ? 1 :
- node->value < elt ? -1 : 0));
-
- if (cmp < 0)
- node = node->right;
- else if (cmp > 0)
- node = node->left;
- else /* cmp == 0 */
- /* We have an element equal to ELT. */
- return node;
- }
- return NULL;
-}
-
-static int
-gl_tree_nx_add (gl_oset_t set, const void *elt)
-{
- gl_setelement_compar_fn compar;
- gl_oset_node_t node = set->root;
-
- if (node == NULL)
- {
- if (gl_tree_nx_add_first (set, elt) == NULL)
- return -1;
- return true;
- }
-
- compar = set->base.compar_fn;
-
- for (;;)
- {
- int cmp = (compar != NULL
- ? compar (node->value, elt)
- : (node->value > elt ? 1 :
- node->value < elt ? -1 : 0));
-
- if (cmp < 0)
- {
- if (node->right == NULL)
- {
- if (gl_tree_nx_add_after (set, node, elt) == NULL)
- return -1;
- return true;
- }
- node = node->right;
- }
- else if (cmp > 0)
- {
- if (node->left == NULL)
- {
- if (gl_tree_nx_add_before (set, node, elt) == NULL)
- return -1;
- return true;
- }
- node = node->left;
- }
- else /* cmp == 0 */
- return false;
- }
-}
-
-static bool
-gl_tree_remove (gl_oset_t set, const void *elt)
-{
- gl_oset_node_t node = gl_tree_search_node (set, elt);
-
- if (node != NULL)
- return gl_tree_remove_node (set, node);
- else
- return false;
-}
-
-static void
-gl_tree_oset_free (gl_oset_t set)
-{
- /* Iterate across all elements in post-order. */
- gl_oset_node_t node = set->root;
- iterstack_t stack;
- iterstack_item_t *stack_ptr = &stack[0];
-
- for (;;)
- {
- /* Descend on left branch. */
- for (;;)
- {
- if (node == NULL)
- break;
- stack_ptr->node = node;
- stack_ptr->rightp = false;
- node = node->left;
- stack_ptr++;
- }
- /* Climb up again. */
- for (;;)
- {
- if (stack_ptr == &stack[0])
- goto done_iterate;
- stack_ptr--;
- node = stack_ptr->node;
- if (!stack_ptr->rightp)
- break;
- /* Free the current node. */
- if (set->base.dispose_fn != NULL)
- set->base.dispose_fn (node->value);
- free (node);
- }
- /* Descend on right branch. */
- stack_ptr->rightp = true;
- node = node->right;
- stack_ptr++;
- }
- done_iterate:
- free (set);
-}
-
-/* --------------------- gl_oset_iterator_t Data Type --------------------- */
-
-static gl_oset_iterator_t
-gl_tree_iterator (gl_oset_t set)
-{
- gl_oset_iterator_t result;
- gl_oset_node_t node;
-
- result.vtable = set->base.vtable;
- result.set = set;
- /* Start node is the leftmost node. */
- node = set->root;
- if (node != NULL)
- while (node->left != NULL)
- node = node->left;
- result.p = node;
- /* End point is past the rightmost node. */
- result.q = NULL;
-#ifdef lint
- result.i = 0;
- result.j = 0;
- result.count = 0;
-#endif
-
- return result;
-}
-
-static bool
-gl_tree_iterator_next (gl_oset_iterator_t *iterator, const void **eltp)
-{
- if (iterator->p != iterator->q)
- {
- gl_oset_node_t node = (gl_oset_node_t) iterator->p;
- *eltp = node->value;
- /* Advance to the next node. */
- if (node->right != NULL)
- {
- node = node->right;
- while (node->left != NULL)
- node = node->left;
- }
- else
- {
- while (node->parent != NULL && node->parent->right == node)
- node = node->parent;
- node = node->parent;
- }
- iterator->p = node;
- return true;
- }
- else
- return false;
-}
-
-static void
-gl_tree_iterator_free (gl_oset_iterator_t *iterator)
-{
-}
+/* Ordered set data type implemented by a binary tree.
+ Copyright (C) 2006-2007, 2009-2013 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 <http://www.gnu.org/licenses/>. */
+
+/* Common code of gl_avltree_oset.c and gl_rbtree_oset.c. */
+
+/* An item on the stack used for iterating across the elements. */
+typedef struct
+{
+ gl_oset_node_t node;
+ bool rightp;
+} iterstack_item_t;
+
+/* A stack used for iterating across the elements. */
+typedef iterstack_item_t iterstack_t[MAXHEIGHT];
+
+static gl_oset_t
+gl_tree_nx_create_empty (gl_oset_implementation_t implementation,
+ gl_setelement_compar_fn compar_fn,
+ gl_setelement_dispose_fn dispose_fn)
+{
+ struct gl_oset_impl *set =
+ (struct gl_oset_impl *) malloc (sizeof (struct gl_oset_impl));
+
+ if (set == NULL)
+ return NULL;
+
+ set->base.vtable = implementation;
+ set->base.compar_fn = compar_fn;
+ set->base.dispose_fn = dispose_fn;
+ set->root = NULL;
+ set->count = 0;
+
+ return set;
+}
+
+static size_t
+gl_tree_size (gl_oset_t set)
+{
+ return set->count;
+}
+
+static bool
+gl_tree_search (gl_oset_t set, const void *elt)
+{
+ gl_setelement_compar_fn compar = set->base.compar_fn;
+ gl_oset_node_t node;
+
+ for (node = set->root; node != NULL; )
+ {
+ int cmp = (compar != NULL
+ ? compar (node->value, elt)
+ : (node->value > elt ? 1 :
+ node->value < elt ? -1 : 0));
+
+ if (cmp < 0)
+ node = node->right;
+ else if (cmp > 0)
+ node = node->left;
+ else /* cmp == 0 */
+ /* We have an element equal to ELT. */
+ return true;
+ }
+ return false;
+}
+
+static bool
+gl_tree_search_atleast (gl_oset_t set,
+ gl_setelement_threshold_fn threshold_fn,
+ const void *threshold,
+ const void **eltp)
+{
+ gl_oset_node_t node;
+
+ for (node = set->root; node != NULL; )
+ {
+ if (! threshold_fn (node->value, threshold))
+ node = node->right;
+ else
+ {
+ /* We have an element >= VALUE. But we need the leftmost such
+ element. */
+ gl_oset_node_t found = node;
+ node = node->left;
+ for (; node != NULL; )
+ {
+ if (! threshold_fn (node->value, threshold))
+ node = node->right;
+ else
+ {
+ found = node;
+ node = node->left;
+ }
+ }
+ *eltp = found->value;
+ return true;
+ }
+ }
+ return false;
+}
+
+static gl_oset_node_t
+gl_tree_search_node (gl_oset_t set, const void *elt)
+{
+ gl_setelement_compar_fn compar = set->base.compar_fn;
+ gl_oset_node_t node;
+
+ for (node = set->root; node != NULL; )
+ {
+ int cmp = (compar != NULL
+ ? compar (node->value, elt)
+ : (node->value > elt ? 1 :
+ node->value < elt ? -1 : 0));
+
+ if (cmp < 0)
+ node = node->right;
+ else if (cmp > 0)
+ node = node->left;
+ else /* cmp == 0 */
+ /* We have an element equal to ELT. */
+ return node;
+ }
+ return NULL;
+}
+
+static int
+gl_tree_nx_add (gl_oset_t set, const void *elt)
+{
+ gl_setelement_compar_fn compar;
+ gl_oset_node_t node = set->root;
+
+ if (node == NULL)
+ {
+ if (gl_tree_nx_add_first (set, elt) == NULL)
+ return -1;
+ return true;
+ }
+
+ compar = set->base.compar_fn;
+
+ for (;;)
+ {
+ int cmp = (compar != NULL
+ ? compar (node->value, elt)
+ : (node->value > elt ? 1 :
+ node->value < elt ? -1 : 0));
+
+ if (cmp < 0)
+ {
+ if (node->right == NULL)
+ {
+ if (gl_tree_nx_add_after (set, node, elt) == NULL)
+ return -1;
+ return true;
+ }
+ node = node->right;
+ }
+ else if (cmp > 0)
+ {
+ if (node->left == NULL)
+ {
+ if (gl_tree_nx_add_before (set, node, elt) == NULL)
+ return -1;
+ return true;
+ }
+ node = node->left;
+ }
+ else /* cmp == 0 */
+ return false;
+ }
+}
+
+static bool
+gl_tree_remove (gl_oset_t set, const void *elt)
+{
+ gl_oset_node_t node = gl_tree_search_node (set, elt);
+
+ if (node != NULL)
+ return gl_tree_remove_node (set, node);
+ else
+ return false;
+}
+
+static void
+gl_tree_oset_free (gl_oset_t set)
+{
+ /* Iterate across all elements in post-order. */
+ gl_oset_node_t node = set->root;
+ iterstack_t stack;
+ iterstack_item_t *stack_ptr = &stack[0];
+
+ for (;;)
+ {
+ /* Descend on left branch. */
+ for (;;)
+ {
+ if (node == NULL)
+ break;
+ stack_ptr->node = node;
+ stack_ptr->rightp = false;
+ node = node->left;
+ stack_ptr++;
+ }
+ /* Climb up again. */
+ for (;;)
+ {
+ if (stack_ptr == &stack[0])
+ goto done_iterate;
+ stack_ptr--;
+ node = stack_ptr->node;
+ if (!stack_ptr->rightp)
+ break;
+ /* Free the current node. */
+ if (set->base.dispose_fn != NULL)
+ set->base.dispose_fn (node->value);
+ free (node);
+ }
+ /* Descend on right branch. */
+ stack_ptr->rightp = true;
+ node = node->right;
+ stack_ptr++;
+ }
+ done_iterate:
+ free (set);
+}
+
+/* --------------------- gl_oset_iterator_t Data Type --------------------- */
+
+static gl_oset_iterator_t
+gl_tree_iterator (gl_oset_t set)
+{
+ gl_oset_iterator_t result;
+ gl_oset_node_t node;
+
+ result.vtable = set->base.vtable;
+ result.set = set;
+ /* Start node is the leftmost node. */
+ node = set->root;
+ if (node != NULL)
+ while (node->left != NULL)
+ node = node->left;
+ result.p = node;
+ /* End point is past the rightmost node. */
+ result.q = NULL;
+#ifdef lint
+ result.i = 0;
+ result.j = 0;
+ result.count = 0;
+#endif
+
+ return result;
+}
+
+static bool
+gl_tree_iterator_next (gl_oset_iterator_t *iterator, const void **eltp)
+{
+ if (iterator->p != iterator->q)
+ {
+ gl_oset_node_t node = (gl_oset_node_t) iterator->p;
+ *eltp = node->value;
+ /* Advance to the next node. */
+ if (node->right != NULL)
+ {
+ node = node->right;
+ while (node->left != NULL)
+ node = node->left;
+ }
+ else
+ {
+ while (node->parent != NULL && node->parent->right == node)
+ node = node->parent;
+ node = node->parent;
+ }
+ iterator->p = node;
+ return true;
+ }
+ else
+ return false;
+}
+
+static void
+gl_tree_iterator_free (gl_oset_iterator_t *iterator)
+{
+}