summaryrefslogtreecommitdiff
path: root/lisp
diff options
context:
space:
mode:
authorThien-Thi Nguyen <ttn@gnuvola.org>2007-08-27 02:22:57 +0000
committerThien-Thi Nguyen <ttn@gnuvola.org>2007-08-27 02:22:57 +0000
commit5afb301bee960583ddd66044367ac08155ff9be8 (patch)
tree6f7b1cc913d8b406905f13923ba18d5020185fcc /lisp
parentdfd4af17e447929c26534bc232333eec7b74a6b4 (diff)
downloademacs-5afb301bee960583ddd66044367ac08155ff9be8.tar.gz
Do s/elib-avl-/avl-tree-/g. Resulting changed macro and function names:
avl-tree-root, avl-tree-dummyroot, avl-tree-cmpfun, avl-tree-del-balance1, avl-tree-do-del-internal, avl-tree-del-balance2, avl-tree-do-delete, avl-tree-enter-balance1, avl-tree-enter-balance2, avl-tree-do-enter, avl-tree-mapc, avl-tree-do-copy.
Diffstat (limited to 'lisp')
-rw-r--r--lisp/emacs-lisp/avl-tree.el96
1 files changed, 46 insertions, 50 deletions
diff --git a/lisp/emacs-lisp/avl-tree.el b/lisp/emacs-lisp/avl-tree.el
index a86fdc60f57..63e88ac21f9 100644
--- a/lisp/emacs-lisp/avl-tree.el
+++ b/lisp/emacs-lisp/avl-tree.el
@@ -112,26 +112,22 @@
;;; ================================================================
;;; Internal functions for use in the AVL tree package
-;;;
-;;; The functions and macros in this section all start with `elib-avl-'.
-;;;
-
-(defmacro elib-avl-root (tree)
+(defmacro avl-tree-root (tree)
;; Return the root node for an avl-tree. INTERNAL USE ONLY.
`(elib-node-left (car (cdr ,tree))))
-(defmacro elib-avl-dummyroot (tree)
+(defmacro avl-tree-dummyroot (tree)
;; Return the dummy node of an avl-tree. INTERNAL USE ONLY.
`(car (cdr ,tree)))
-(defmacro elib-avl-cmpfun (tree)
+(defmacro avl-tree-cmpfun (tree)
;; Return the compare function of AVL tree TREE. INTERNAL USE ONLY.
`(cdr (cdr ,tree)))
;; ----------------------------------------------------------------
;; Deleting data
-(defun elib-avl-del-balance1 (node branch)
+(defun avl-tree-del-balance1 (node branch)
;; Rebalance a tree and return t if the height of the tree has shrunk.
(let* ((br (elib-node-branch node branch))
p1
@@ -185,7 +181,7 @@
(avl-tree-node-set-balance p2 0)
t)))))
-(defun elib-avl-del-balance2 (node branch)
+(defun avl-tree-del-balance2 (node branch)
(let* ((br (elib-node-branch node branch))
p1
b1
@@ -238,18 +234,18 @@
(avl-tree-node-set-balance p2 0)
t)))))
-(defun elib-avl-do-del-internal (node branch q)
+(defun avl-tree-do-del-internal (node branch q)
(let* ((br (elib-node-branch node branch)))
(if (elib-node-right br)
- (if (elib-avl-do-del-internal br +1 q)
- (elib-avl-del-balance2 node branch))
+ (if (avl-tree-do-del-internal br +1 q)
+ (avl-tree-del-balance2 node branch))
(elib-node-set-data q (elib-node-data br))
(elib-node-set-branch node branch
(elib-node-left br))
t)))
-(defun elib-avl-do-delete (cmpfun root branch data)
+(defun avl-tree-do-delete (cmpfun root branch data)
;; Return t if the height of the tree has shrunk.
(let* ((br (elib-node-branch root branch)))
(cond
@@ -257,12 +253,12 @@
nil)
((funcall cmpfun data (elib-node-data br))
- (if (elib-avl-do-delete cmpfun br 0 data)
- (elib-avl-del-balance1 root branch)))
+ (if (avl-tree-do-delete cmpfun br 0 data)
+ (avl-tree-del-balance1 root branch)))
((funcall cmpfun (elib-node-data br) data)
- (if (elib-avl-do-delete cmpfun br 1 data)
- (elib-avl-del-balance2 root branch)))
+ (if (avl-tree-do-delete cmpfun br 1 data)
+ (avl-tree-del-balance2 root branch)))
(t
;; Found it. Let's delete it.
@@ -276,13 +272,13 @@
t)
(t
- (if (elib-avl-do-del-internal br 0 br)
- (elib-avl-del-balance1 root branch))))))))
+ (if (avl-tree-do-del-internal br 0 br)
+ (avl-tree-del-balance1 root branch))))))))
;; ----------------------------------------------------------------
;; Entering data
-(defun elib-avl-enter-balance1 (node branch)
+(defun avl-tree-enter-balance1 (node branch)
;; Rebalance a tree and return t if the height of the tree has grown.
(let* ((br (elib-node-branch node branch))
p1
@@ -326,7 +322,7 @@
(avl-tree-node-set-balance (elib-node-branch node branch) 0)
nil))))
-(defun elib-avl-enter-balance2 (node branch)
+(defun avl-tree-enter-balance2 (node branch)
;; Return t if the tree has grown.
(let* ((br (elib-node-branch node branch))
p1
@@ -369,7 +365,7 @@
(avl-tree-node-set-balance (elib-node-branch node branch) 0)
nil))))
-(defun elib-avl-do-enter (cmpfun root branch data)
+(defun avl-tree-do-enter (cmpfun root branch data)
;; Return t if height of tree ROOT has grown. INTERNAL USE ONLY.
(let ((br (elib-node-branch root branch)))
(cond
@@ -380,16 +376,16 @@
t)
((funcall cmpfun data (elib-node-data br))
- (and (elib-avl-do-enter cmpfun
+ (and (avl-tree-do-enter cmpfun
br
0 data)
- (elib-avl-enter-balance2 root branch)))
+ (avl-tree-enter-balance2 root branch)))
((funcall cmpfun (elib-node-data br) data)
- (and (elib-avl-do-enter cmpfun
+ (and (avl-tree-do-enter cmpfun
br
1 data)
- (elib-avl-enter-balance1 root branch)))
+ (avl-tree-enter-balance1 root branch)))
(t
(elib-node-set-data br data)
@@ -397,7 +393,7 @@
;; ----------------------------------------------------------------
-(defun elib-avl-mapc (map-function root)
+(defun avl-tree-mapc (map-function root)
;; Apply MAP-FUNCTION to all nodes in the tree starting with ROOT.
;; The function is applied in-order.
;;
@@ -423,13 +419,13 @@
(setq node (pop stack)
go-left nil))))))
-(defun elib-avl-do-copy (root)
+(defun avl-tree-do-copy (root)
;; Copy the tree with ROOT as root.
;; Highly recursive. INTERNAL USE ONLY.
(if (null root)
nil
- (avl-tree-node-create (elib-avl-do-copy (elib-node-left root))
- (elib-avl-do-copy (elib-node-right root))
+ (avl-tree-node-create (avl-tree-do-copy (elib-node-left root))
+ (avl-tree-do-copy (elib-node-right root))
(elib-node-data root)
(avl-tree-node-balance root))))
@@ -451,17 +447,17 @@ and returns non-nil if A is less than B, and nil otherwise."
(defun avl-tree-compare-function (tree)
"Return the comparision function for the avl tree TREE."
- (elib-avl-cmpfun tree))
+ (avl-tree-cmpfun tree))
(defun avl-tree-empty (tree)
"Return t if TREE is emtpy, otherwise return nil."
- (null (elib-avl-root tree)))
+ (null (avl-tree-root tree)))
(defun avl-tree-enter (tree data)
"In the avl tree TREE insert DATA.
Return DATA."
- (elib-avl-do-enter (elib-avl-cmpfun tree)
- (elib-avl-dummyroot tree)
+ (avl-tree-do-enter (avl-tree-cmpfun tree)
+ (avl-tree-dummyroot tree)
0
data)
data)
@@ -469,8 +465,8 @@ Return DATA."
(defun avl-tree-delete (tree data)
"From the avl tree TREE, delete DATA.
Return the element in TREE which matched DATA, nil if no element matched."
- (elib-avl-do-delete (elib-avl-cmpfun tree)
- (elib-avl-dummyroot tree)
+ (avl-tree-do-delete (avl-tree-cmpfun tree)
+ (avl-tree-dummyroot tree)
0
data))
@@ -480,8 +476,8 @@ Matching uses the compare function previously specified in `avl-tree-create'
when TREE was created.
If there is no such element in the tree, the value is nil."
- (let ((node (elib-avl-root tree))
- (compare-function (elib-avl-cmpfun tree))
+ (let ((node (avl-tree-root tree))
+ (compare-function (avl-tree-cmpfun tree))
found)
(while (and node
(not found))
@@ -499,16 +495,16 @@ If there is no such element in the tree, the value is nil."
(defun avl-tree-map (__map-function__ tree)
"Apply MAP-FUNCTION to all elements in the avl tree TREE."
- (elib-avl-mapc
+ (avl-tree-mapc
(function (lambda (node)
(elib-node-set-data node
(funcall __map-function__
(elib-node-data node)))))
- (elib-avl-root tree)))
+ (avl-tree-root tree)))
(defun avl-tree-first (tree)
"Return the first element in TREE, or nil if TREE is empty."
- (let ((node (elib-avl-root tree)))
+ (let ((node (avl-tree-root tree)))
(if node
(progn
(while (elib-node-left node)
@@ -518,7 +514,7 @@ If there is no such element in the tree, the value is nil."
(defun avl-tree-last (tree)
"Return the last element in TREE, or nil if TREE is empty."
- (let ((node (elib-avl-root tree)))
+ (let ((node (avl-tree-root tree)))
(if node
(progn
(while (elib-node-right node)
@@ -529,33 +525,33 @@ If there is no such element in the tree, the value is nil."
(defun avl-tree-copy (tree)
"Return a copy of the avl tree TREE."
(let ((new-tree (avl-tree-create
- (elib-avl-cmpfun tree))))
- (elib-node-set-left (elib-avl-dummyroot new-tree)
- (elib-avl-do-copy (elib-avl-root tree)))
+ (avl-tree-cmpfun tree))))
+ (elib-node-set-left (avl-tree-dummyroot new-tree)
+ (avl-tree-do-copy (avl-tree-root tree)))
new-tree))
(defun avl-tree-flatten (tree)
"Return a sorted list containing all elements of TREE."
(nreverse
(let ((treelist nil))
- (elib-avl-mapc (function (lambda (node)
+ (avl-tree-mapc (function (lambda (node)
(setq treelist (cons (elib-node-data node)
treelist))))
- (elib-avl-root tree))
+ (avl-tree-root tree))
treelist)))
(defun avl-tree-size (tree)
"Return the number of elements in TREE."
(let ((treesize 0))
- (elib-avl-mapc (function (lambda (data)
+ (avl-tree-mapc (function (lambda (data)
(setq treesize (1+ treesize))
data))
- (elib-avl-root tree))
+ (avl-tree-root tree))
treesize))
(defun avl-tree-clear (tree)
"Clear the avl tree TREE."
- (elib-node-set-left (elib-avl-dummyroot tree) nil))
+ (elib-node-set-left (avl-tree-dummyroot tree) nil))
(provide 'avl-tree)