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* help.el (function-called-at-point):

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* help-fns.el (variable-at-point): Use emacs-lisp-mode-syntax-table
even when calling find-tag-default.
This commit is contained in:
Stefan Monnier 2008-06-06 20:02:42 +00:00
parent bb9ba46f21
commit 2e6750c8f8
3 changed files with 53 additions and 47 deletions
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6
lisp/ChangeLog
View file

@ -1,3 +1,9 @@
2008-06-06 Stefan Monnier <monnier@iro.umontreal.ca>
* help.el (function-called-at-point):
* help-fns.el (variable-at-point): Use emacs-lisp-mode-syntax-table
even when calling find-tag-default.
2008-06-06 Daniel Colascione <danc@merrillpress.com>
* nxml/nxml-mode.el (nxml-syntax-highlight-flag)

26
lisp/help-fns.el
View file

@ -443,8 +443,8 @@ face (according to `face-differs-from-default-p')."
"Return the bound variable symbol found at or before point.
Return 0 if there is no such symbol.
If ANY-SYMBOL is non-nil, don't insist the symbol be bound."
(or (condition-case ()
(with-syntax-table emacs-lisp-mode-syntax-table
(with-syntax-table emacs-lisp-mode-syntax-table
(or (condition-case ()
(save-excursion
(or (not (zerop (skip-syntax-backward "_w")))
(eq (char-syntax (following-char)) ?w)
@ -452,17 +452,17 @@ If ANY-SYMBOL is non-nil, don't insist the symbol be bound."
(forward-sexp -1))
(skip-chars-forward "'")
(let ((obj (read (current-buffer))))
(and (symbolp obj) (boundp obj) obj))))
(error nil))
(let* ((str (find-tag-default))
(sym (if str (intern-soft str))))
(if (and sym (or any-symbol (boundp sym)))
sym
(save-match-data
(when (and str (string-match "\\`\\W*\\(.*?\\)\\W*\\'" str))
(setq sym (intern-soft (match-string 1 str)))
(and (or any-symbol (boundp sym)) sym)))))
0))
(and (symbolp obj) (boundp obj) obj)))
(error nil))
(let* ((str (find-tag-default))
(sym (if str (intern-soft str))))
(if (and sym (or any-symbol (boundp sym)))
sym
(save-match-data
(when (and str (string-match "\\`\\W*\\(.*?\\)\\W*\\'" str))
(setq sym (intern-soft (match-string 1 str)))
(and (or any-symbol (boundp sym)) sym)))))
0)))
(defun describe-variable-custom-version-info (variable)
(let ((custom-version (get variable 'custom-version))

68
lisp/help.el
View file

@ -254,40 +254,40 @@ C-w Information on absence of warranty for GNU Emacs."
(defun function-called-at-point ()
"Return a function around point or else called by the list containing point.
If that doesn't give a function, return nil."
(or (with-syntax-table emacs-lisp-mode-syntax-table
(or (condition-case ()
(save-excursion
(or (not (zerop (skip-syntax-backward "_w")))
(eq (char-syntax (following-char)) ?w)
(eq (char-syntax (following-char)) ?_)
(forward-sexp -1))
(skip-chars-forward "'")
(let ((obj (read (current-buffer))))
(and (symbolp obj) (fboundp obj) obj)))
(error nil))
(condition-case ()
(save-excursion
(save-restriction
(narrow-to-region (max (point-min)
(- (point) 1000)) (point-max))
;; Move up to surrounding paren, then after the open.
(backward-up-list 1)
(forward-char 1)
;; If there is space here, this is probably something
;; other than a real Lisp function call, so ignore it.
(if (looking-at "[ \t]")
(error "Probably not a Lisp function call"))
(let ((obj (read (current-buffer))))
(and (symbolp obj) (fboundp obj) obj))))
(error nil))))
(let* ((str (find-tag-default))
(sym (if str (intern-soft str))))
(if (and sym (fboundp sym))
sym
(save-match-data
(when (and str (string-match "\\`\\W*\\(.*?\\)\\W*\\'" str))
(setq sym (intern-soft (match-string 1 str)))
(and (fboundp sym) sym)))))))
(with-syntax-table emacs-lisp-mode-syntax-table
(or (condition-case ()
(save-excursion
(or (not (zerop (skip-syntax-backward "_w")))
(eq (char-syntax (following-char)) ?w)
(eq (char-syntax (following-char)) ?_)
(forward-sexp -1))
(skip-chars-forward "'")
(let ((obj (read (current-buffer))))
(and (symbolp obj) (fboundp obj) obj)))
(error nil))
(condition-case ()
(save-excursion
(save-restriction
(narrow-to-region (max (point-min)
(- (point) 1000)) (point-max))
;; Move up to surrounding paren, then after the open.
(backward-up-list 1)
(forward-char 1)
;; If there is space here, this is probably something
;; other than a real Lisp function call, so ignore it.
(if (looking-at "[ \t]")
(error "Probably not a Lisp function call"))
(let ((obj (read (current-buffer))))
(and (symbolp obj) (fboundp obj) obj))))
(error nil))
(let* ((str (find-tag-default))
(sym (if str (intern-soft str))))
(if (and sym (fboundp sym))
sym
(save-match-data
(when (and str (string-match "\\`\\W*\\(.*?\\)\\W*\\'" str))
(setq sym (intern-soft (match-string 1 str)))
(and (fboundp sym) sym))))))))
;;; `User' help functions