diff options
Diffstat (limited to 'lisp/emacs-lisp/re-builder.el')
| -rw-r--r-- | lisp/emacs-lisp/re-builder.el | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/lisp/emacs-lisp/re-builder.el b/lisp/emacs-lisp/re-builder.el index d460407a803..24770fac67f 100644 --- a/lisp/emacs-lisp/re-builder.el +++ b/lisp/emacs-lisp/re-builder.el @@ -274,8 +274,8 @@ Except for Lisp syntax this is the same as `reb-regexp'.") emacs-lisp-mode "RE Builder Lisp" "Major mode for interactively building symbolic Regular Expressions." ;; Pull in packages as needed - (cond ((memq reb-re-syntax '(sregex rx)) ; rx-to-string is autoloaded - (require 'rx))) ; require rx anyway + (when (eq reb-re-syntax 'rx) ; rx-to-string is autoloaded + (require 'rx)) ; require rx anyway (reb-mode-common)) (defvar reb-subexp-mode-map @@ -307,8 +307,8 @@ Except for Lisp syntax this is the same as `reb-regexp'.") (eq 'color (frame-parameter nil 'display-type))) (defsubst reb-lisp-syntax-p () - "Return non-nil if RE Builder uses a Lisp syntax." - (memq reb-re-syntax '(sregex rx))) + "Return non-nil if RE Builder uses `rx' syntax." + (eq reb-re-syntax 'rx)) (defmacro reb-target-binding (symbol) "Return binding for SYMBOL in the RE Builder target buffer." @@ -323,7 +323,10 @@ Except for Lisp syntax this is the same as `reb-regexp'.") (reb-lisp-mode)) (t (reb-mode))) (reb-restart-font-lock) - (reb-do-update)) + ;; When using `rx' syntax, the initial syntax () is invalid. But + ;; don't signal an error in that case. + (ignore-errors + (reb-do-update))) (defun reb-mode-buffer-p () "Return non-nil if the current buffer is a RE Builder buffer." @@ -448,7 +451,8 @@ provided in the Commentary section of this library." (setq reb-subexp-mode t) (reb-update-modestring) (use-local-map reb-subexp-mode-map) - (message "`0'-`9' to display subexpressions `q' to quit subexp mode")) + (message (substitute-command-keys + "\\`0'-\\`9' to display subexpressions \\`q' to quit subexp mode"))) (defun reb-show-subexp (subexp &optional pause) "Visually show limit of subexpression SUBEXP of recent search. @@ -482,11 +486,11 @@ Optional argument SYNTAX must be specified if called non-interactively." (list (intern (completing-read (format-prompt "Select syntax" reb-re-syntax) - '(read string sregex rx) + '(read string rx) nil t nil nil (symbol-name reb-re-syntax) 'reb-change-syntax-hist)))) - (if (memq syntax '(read string sregex rx)) + (if (memq syntax '(read string rx)) (let ((buffer (get-buffer reb-buffer))) (setq reb-re-syntax syntax) (when buffer @@ -605,9 +609,9 @@ optional fourth argument FORCE is non-nil." (defun reb-cook-regexp (re) "Return RE after processing it according to `reb-re-syntax'." - (cond ((memq reb-re-syntax '(sregex rx)) - (rx-to-string (eval (car (read-from-string re))))) - (t re))) + (if (eq reb-re-syntax 'rx) + (rx-to-string (eval (car (read-from-string re)))) + re)) (defun reb-update-regexp () "Update the regexp for the target buffer. |