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-rw-r--r--lisp/emacs-lisp/lisp-mnt.el2
-rw-r--r--lisp/emacs-lisp/memory-report.el4
-rw-r--r--lisp/emacs-lisp/package.el53
-rw-r--r--lisp/emacs-lisp/shortdoc.el24
-rw-r--r--lisp/emacs-lisp/subr-x.el96
5 files changed, 154 insertions, 25 deletions
diff --git a/lisp/emacs-lisp/lisp-mnt.el b/lisp/emacs-lisp/lisp-mnt.el
index 0d57bc16a3a..f1901563429 100644
--- a/lisp/emacs-lisp/lisp-mnt.el
+++ b/lisp/emacs-lisp/lisp-mnt.el
@@ -208,6 +208,7 @@ a section."
(when start
(save-excursion
(goto-char start)
+ (looking-at outline-regexp)
(let ((level (lisp-outline-level))
(case-fold-search t)
next-section-found)
@@ -218,6 +219,7 @@ a section."
nil t))
(> (save-excursion
(beginning-of-line)
+ (looking-at outline-regexp)
(lisp-outline-level))
level)))
(min (if next-section-found
diff --git a/lisp/emacs-lisp/memory-report.el b/lisp/emacs-lisp/memory-report.el
index b532ddc56c5..332749987c4 100644
--- a/lisp/emacs-lisp/memory-report.el
+++ b/lisp/emacs-lisp/memory-report.el
@@ -204,7 +204,9 @@ by counted more than once."
(cl-incf total (memory-report--object-size counted (car value))))
(if (cdr value)
(if (consp (cdr value))
- (setq value (cdr value))
+ (if (gethash (cdr value) counted)
+ (setq value nil)
+ (setq value (cdr value)))
(cl-incf total (memory-report--object-size counted (cdr value)))
(setq value nil))
(setq value nil)))
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index fa93ffd0cc5..bc450b09d01 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -825,40 +825,45 @@ correspond to previously loaded files (those returned by
(declare-function find-library-name "find-func" (library))
+(defun package--files-load-history ()
+ (delq nil
+ (mapcar (lambda (x)
+ (let ((f (car x)))
+ (and (stringp f)
+ (file-name-sans-extension (file-truename f)))))
+ load-history)))
+
+(defun package--list-of-conflicts (dir history)
+ (delq
+ nil
+ (mapcar
+ (lambda (x) (let* ((file (file-relative-name x dir))
+ ;; Previously loaded file, if any.
+ (previous
+ (ignore-errors
+ (file-name-sans-extension
+ (file-truename (find-library-name file)))))
+ (pos (when previous (member previous history))))
+ ;; Return (RELATIVE-FILENAME . HISTORY-POSITION)
+ (when pos
+ (cons (file-name-sans-extension file) (length pos)))))
+ (directory-files-recursively dir "\\`[^\\.].*\\.el\\'"))))
+
(defun package--list-loaded-files (dir)
"Recursively list all files in DIR which correspond to loaded features.
Returns the `file-name-sans-extension' of each file, relative to
DIR, sorted by most recently loaded last."
- (let* ((history (delq nil
- (mapcar (lambda (x)
- (let ((f (car x)))
- (and (stringp f)
- (file-name-sans-extension f))))
- load-history)))
+ (let* ((history (package--files-load-history))
(dir (file-truename dir))
;; List all files that have already been loaded.
- (list-of-conflicts
- (delq
- nil
- (mapcar
- (lambda (x) (let* ((file (file-relative-name x dir))
- ;; Previously loaded file, if any.
- (previous
- (ignore-errors
- (file-name-sans-extension
- (file-truename (find-library-name file)))))
- (pos (when previous (member previous history))))
- ;; Return (RELATIVE-FILENAME . HISTORY-POSITION)
- (when pos
- (cons (file-name-sans-extension file) (length pos)))))
- (directory-files-recursively dir "\\`[^\\.].*\\.el\\'")))))
+ (list-of-conflicts (package--list-of-conflicts dir history)))
;; Turn the list of (FILENAME . POS) back into a list of features. Files in
;; subdirectories are returned relative to DIR (so not actually features).
(let ((default-directory (file-name-as-directory dir)))
(mapcar (lambda (x) (file-truename (car x)))
- (sort list-of-conflicts
- ;; Sort the files by ascending HISTORY-POSITION.
- (lambda (x y) (< (cdr x) (cdr y))))))))
+ (sort list-of-conflicts
+ ;; Sort the files by ascending HISTORY-POSITION.
+ (lambda (x y) (< (cdr x) (cdr y))))))))
;;;; `package-activate'
;; This function activates a newer version of a package if an older
diff --git a/lisp/emacs-lisp/shortdoc.el b/lisp/emacs-lisp/shortdoc.el
index 37d6170fee5..9d183e0d4e9 100644
--- a/lisp/emacs-lisp/shortdoc.el
+++ b/lisp/emacs-lisp/shortdoc.el
@@ -131,6 +131,10 @@ There can be any number of :example/:result elements."
(mapconcat
:eval (mapconcat (lambda (a) (concat "[" a "]"))
'("foo" "bar" "zot") " "))
+ (string-pad
+ :eval (string-pad "foo" 5)
+ :eval (string-pad "foobar" 5)
+ :eval (string-pad "foo" 5 ?- t))
(mapcar
:eval (mapcar #'identity "123"))
(format
@@ -139,10 +143,21 @@ There can be any number of :example/:result elements."
(substring
:eval (substring "foobar" 0 3)
:eval (substring "foobar" 3))
+ (string-limit
+ :eval (string-limit "foobar" 3)
+ :eval (string-limit "foobar" 3 t)
+ :eval (string-limit "foobar" 10)
+ :eval (string-limit "fo好" 3 nil 'utf-8))
+ (truncate-string-to-width
+ :eval (truncate-string-to-width "foobar" 3)
+ :eval (truncate-string-to-width "你好bar" 5))
(split-string
:eval (split-string "foo bar")
:eval (split-string "|foo|bar|" "|")
:eval (split-string "|foo|bar|" "|" t))
+ (string-lines
+ :eval (string-lines "foo\n\nbar")
+ :eval (string-lines "foo\n\nbar" t))
(string-replace
:eval (string-replace "foo" "bar" "foozot"))
(replace-regexp-in-string
@@ -167,10 +182,19 @@ There can be any number of :example/:result elements."
(string-remove-prefix
:no-manual t
:eval (string-remove-prefix "foo" "foobar"))
+ (string-chop-newline
+ :eval (string-chop-newline "foo\n"))
+ (string-clean-whitespace
+ :eval (string-clean-whitespace " foo bar "))
+ (string-fill
+ :eval (string-fill "Three short words" 12)
+ :eval (string-fill "Long-word" 3))
(reverse
:eval (reverse "foo"))
(substring-no-properties
:eval (substring-no-properties (propertize "foobar" 'face 'bold) 0 3))
+ (try-completion
+ :eval (try-completion "foo" '("foobar" "foozot" "gazonk")))
"Predicates for Strings"
(string-equal
:eval (string-equal "foo" "foo"))
diff --git a/lisp/emacs-lisp/subr-x.el b/lisp/emacs-lisp/subr-x.el
index e6abb39ddc6..9fbb0351af4 100644
--- a/lisp/emacs-lisp/subr-x.el
+++ b/lisp/emacs-lisp/subr-x.el
@@ -264,6 +264,102 @@ carriage return."
(substring string 0 (- (length string) (length suffix)))
string))
+(defun string-clean-whitespace (string)
+ "Clean up whitespace in STRING.
+All sequences of whitespaces in STRING are collapsed into a
+single space character, and leading/trailing whitespace is
+removed."
+ (let ((blank "[[:blank:]\r\n]+"))
+ (string-trim (replace-regexp-in-string blank " " string t t)
+ blank blank)))
+
+(defun string-fill (string length)
+ "Try to word-wrap STRING so that no lines are longer than LENGTH.
+Wrapping is done where there is whitespace. If there are
+individual words in STRING that are longer than LENGTH, the
+result will have lines that are longer than LENGTH."
+ (with-temp-buffer
+ (insert string)
+ (goto-char (point-min))
+ (let ((fill-column length)
+ (adaptive-fill-mode nil))
+ (fill-region (point-min) (point-max)))
+ (buffer-string)))
+
+(defun string-limit (string length &optional end coding-system)
+ "Return (up to) a LENGTH substring of STRING.
+If STRING is shorter than or equal to LENGTH, the entire string
+is returned unchanged.
+
+If STRING is longer than LENGTH, return a substring consisting of
+the first LENGTH characters of STRING. If END is non-nil, return
+the last LENGTH characters instead.
+
+If CODING-SYSTEM is non-nil, STRING will be encoded before
+limiting, and LENGTH is interpreted as the number of bytes to
+limit the string to. The result will be a unibyte string that is
+shorter than LENGTH, but will not contain \"partial\" characters,
+even if CODING-SYSTEM encodes characters with several bytes per
+character.
+
+When shortening strings for display purposes,
+`truncate-string-to-width' is almost always a better alternative
+than this function."
+ (unless (natnump length)
+ (signal 'wrong-type-argument (list 'natnump length)))
+ (if coding-system
+ (let ((result nil)
+ (result-length 0)
+ (index (if end (1- (length string)) 0)))
+ (while (let ((encoded (encode-coding-char
+ (aref string index) coding-system)))
+ (and (<= (+ (length encoded) result-length) length)
+ (progn
+ (push encoded result)
+ (cl-incf result-length (length encoded))
+ (setq index (if end (1- index)
+ (1+ index))))
+ (if end (> index -1)
+ (< index (length string)))))
+ ;; No body.
+ )
+ (apply #'concat (if end result (nreverse result))))
+ (cond
+ ((<= (length string) length) string)
+ (end (substring string (- (length string) length)))
+ (t (substring string 0 length)))))
+
+(defun string-lines (string &optional omit-nulls)
+ "Split STRING into a list of lines.
+If OMIT-NULLS, empty lines will be removed from the results."
+ (split-string string "\n" omit-nulls))
+
+(defun string-pad (string length &optional padding start)
+ "Pad STRING to LENGTH using PADDING.
+If PADDING is nil, the space character is used. If not nil, it
+should be a character.
+
+If STRING is longer than the absolute value of LENGTH, no padding
+is done.
+
+If START is nil (or not present), the padding is done to the end
+of the string, and if non-nil, padding is done to the start of
+the string."
+ (unless (natnump length)
+ (signal 'wrong-type-argument (list 'natnump length)))
+ (let ((pad-length (- length (length string))))
+ (if (< pad-length 0)
+ string
+ (concat (and start
+ (make-string pad-length (or padding ?\s)))
+ string
+ (and (not start)
+ (make-string pad-length (or padding ?\s)))))))
+
+(defun string-chop-newline (string)
+ "Remove the final newline (if any) from STRING."
+ (string-remove-suffix "\n" string))
+
(defun replace-region-contents (beg end replace-fn
&optional max-secs max-costs)
"Replace the region between BEG and END using REPLACE-FN.