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-rw-r--r--lisp/progmodes/antlr-mode.el96
1 files changed, 42 insertions, 54 deletions
diff --git a/lisp/progmodes/antlr-mode.el b/lisp/progmodes/antlr-mode.el
index 848c476fd3a..f704eec2c07 100644
--- a/lisp/progmodes/antlr-mode.el
+++ b/lisp/progmodes/antlr-mode.el
@@ -5,7 +5,7 @@
;; Author: Christoph.Wedler@sap.com
;; Keywords: languages, ANTLR, code generator
-;; Version: (see `antlr-version' below)
+;; Version: 2.2c
;; X-URL: http://antlr-mode.sourceforge.net/
;; This file is part of GNU Emacs.
@@ -87,6 +87,7 @@
(require 'cl))
(require 'easymenu)
+(require 'cc-mode)
;; Just to get the rid of the byte compiler warning. The code for
;; this function and its friends are too complex for their own good.
@@ -1004,12 +1005,21 @@ The SYNTAX-ALIST element is also used to initialize
(defvar antlr-mode-hook nil
"Hook called by `antlr-mode'.")
-(defvar antlr-mode-syntax-table nil
+(defvar antlr-mode-syntax-table
+ (let ((st (make-syntax-table)))
+ (c-populate-syntax-table st)
+ st)
"Syntax table used in `antlr-mode' buffers.
If non-nil, it will be initialized in `antlr-mode'.")
;; used for "in Java/C++ code" = syntactic-depth>0
-(defvar antlr-action-syntax-table nil
+(defvar antlr-action-syntax-table
+ (let ((st (copy-syntax-table antlr-mode-syntax-table))
+ (slist (nth 3 antlr-font-lock-defaults)))
+ (while slist
+ (modify-syntax-entry (caar slist) (cdar slist) st)
+ (setq slist (cdr slist)))
+ st)
"Syntax table used for ANTLR action parsing.
Initialized by `antlr-mode-syntax-table', changed by SYNTAX-ALIST in
`antlr-font-lock-defaults'. This table should be selected if you use
@@ -2189,7 +2199,7 @@ export vocabulary specified in that file."
(insert-file-contents file t nil nil t)
(normal-mode t) ; necessary for major-mode, syntax
; table and `antlr-language'
- (when (eq major-mode 'antlr-mode)
+ (when (derived-mode-p 'antlr-mode)
(let* ((file-deps (antlr-file-dependencies))
(file (car file-deps)))
(when file-deps
@@ -2373,7 +2383,7 @@ are used according to variable `antlr-unknown-file-formats' and a
commentary with value `antlr-help-unknown-file-text' is added. The
*Help* buffer always starts with the text in `antlr-help-rules-intro'."
(interactive)
- (if (null (eq major-mode 'makefile-mode))
+ (if (null (derived-mode-p 'makefile-mode))
(antlr-with-displaying-help-buffer 'antlr-insert-makefile-rules)
(push-mark)
(antlr-insert-makefile-rules t)))
@@ -2563,13 +2573,15 @@ ANTLR's syntax and influences the auto indentation, see
"Find language in `antlr-language-alist' for language option.
If SEARCH is non-nil, find element for language option. Otherwise, find
the default language."
- (let ((value (and search
- (save-excursion
- (goto-char (point-min))
- (re-search-forward (cdr antlr-language-limit-n-regexp)
- (car antlr-language-limit-n-regexp)
- t))
- (match-string 1)))
+ (let ((value
+ (and search
+ (save-excursion
+ (goto-char (point-min))
+ (re-search-forward (cdr antlr-language-limit-n-regexp)
+ (+ (point)
+ (car antlr-language-limit-n-regexp))
+ t))
+ (match-string 1)))
(seq antlr-language-alist)
r)
;; Like (find VALUE antlr-language-alist :key 'cddr :test 'member)
@@ -2581,35 +2593,20 @@ the default language."
(car r)))
;;;###autoload
-(defun antlr-mode ()
- "Major mode for editing ANTLR grammar files.
-\\{antlr-mode-map}"
- (interactive)
- (kill-all-local-variables)
+(define-derived-mode antlr-mode prog-mode
+ ;; FIXME: Since it uses cc-mode, it bumps into c-update-modeline's
+ ;; limitation to mode-name being a string.
+ ;; '("Antlr." (:eval (cadr (assq antlr-language antlr-language-alist))))
+ "Antlr"
+ "Major mode for editing ANTLR grammar files."
+ :abbrev-table antlr-mode-abbrev-table
(c-initialize-cc-mode) ; cc-mode is required
(unless (fboundp 'c-forward-sws) ; see above
(fset 'antlr-c-forward-sws 'c-forward-syntactic-ws))
;; ANTLR specific ----------------------------------------------------------
- (setq major-mode 'antlr-mode
- mode-name "Antlr")
- (setq local-abbrev-table antlr-mode-abbrev-table)
- (unless antlr-mode-syntax-table
- (setq antlr-mode-syntax-table (make-syntax-table))
- (c-populate-syntax-table antlr-mode-syntax-table))
- (set-syntax-table antlr-mode-syntax-table)
- (unless antlr-action-syntax-table
- (let ((slist (nth 3 antlr-font-lock-defaults)))
- (setq antlr-action-syntax-table
- (copy-syntax-table antlr-mode-syntax-table))
- (while slist
- (modify-syntax-entry (caar slist) (cdar slist)
- antlr-action-syntax-table)
- (setq slist (cdr slist)))))
- (use-local-map antlr-mode-map)
- (make-local-variable 'antlr-language)
(unless antlr-language
- (setq antlr-language
- (or (antlr-language-option t) (antlr-language-option nil))))
+ (set (make-local-variable 'antlr-language)
+ (or (antlr-language-option t) (antlr-language-option nil))))
(if (stringp (cadr (assq antlr-language antlr-language-alist)))
(setq mode-name
(concat "Antlr."
@@ -2627,33 +2624,24 @@ the default language."
(t ; cc-mode upto 5.28
(antlr-c-init-language-vars))) ; do it myself
(c-basic-common-init antlr-language (or antlr-indent-style "gnu"))
- (make-local-variable 'outline-regexp)
- (make-local-variable 'outline-level)
- (make-local-variable 'require-final-newline)
- (make-local-variable 'indent-line-function)
- (make-local-variable 'indent-region-function)
- (setq outline-regexp "[^#\n\^M]"
- outline-level 'c-outline-level) ; TODO: define own
- (setq require-final-newline mode-require-final-newline)
- (setq indent-line-function 'antlr-indent-line
- indent-region-function nil) ; too lazy
+ (set (make-local-variable 'outline-regexp) "[^#\n\^M]")
+ (set (make-local-variable 'outline-level) 'c-outline-level) ;TODO: define own
+ (set (make-local-variable 'indent-line-function) 'antlr-indent-line)
+ (set (make-local-variable 'indent-region-function) nil) ; too lazy
(setq comment-start "// "
comment-end ""
comment-start-skip "/\\*+ *\\|// *")
;; various -----------------------------------------------------------------
- (make-local-variable 'font-lock-defaults)
- (setq font-lock-defaults antlr-font-lock-defaults)
+ (set (make-local-variable 'font-lock-defaults) antlr-font-lock-defaults)
(easy-menu-add antlr-mode-menu)
- (make-local-variable 'imenu-create-index-function)
- (setq imenu-create-index-function 'antlr-imenu-create-index-function)
- (make-local-variable 'imenu-generic-expression)
- (setq imenu-generic-expression t) ; fool stupid test
+ (set (make-local-variable 'imenu-create-index-function)
+ 'antlr-imenu-create-index-function)
+ (set (make-local-variable 'imenu-generic-expression) t) ; fool stupid test
(and antlr-imenu-name ; there should be a global variable...
(fboundp 'imenu-add-to-menubar)
(imenu-add-to-menubar
(if (stringp antlr-imenu-name) antlr-imenu-name "Index")))
- (antlr-set-tabs)
- (run-mode-hooks 'antlr-mode-hook))
+ (antlr-set-tabs))
;; A smarter version of `group-buffers-menu-by-mode-then-alphabetically' (in
;; XEmacs) could use the following property. The header of the submenu would