X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/5e2dfaa48edd8fc566892fd3e72baa50a7dbe2b4..b88a41d0064828aab6c75d7a8c6f543022fa5dd5:/lisp/emacs-lisp/lucid.el

diff --git a/lisp/emacs-lisp/lucid.el b/lisp/emacs-lisp/lucid.el
index 11a246b0ea..80e5ef330d 100644
--- a/lisp/emacs-lisp/lucid.el
+++ b/lisp/emacs-lisp/lucid.el
@@ -1,6 +1,9 @@
-;;; lucid.el --- Emulate some Lucid Emacs functions.
+;;; lucid.el --- emulate some Lucid Emacs functions
 
-;; Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1995, 2001 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
+;; Keywords: emulations
 
 ;; This file is part of GNU Emacs.
 
@@ -19,6 +22,8 @@
 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 ;; Boston, MA 02111-1307, USA.
 
+;;; Commentary:
+
 ;;; Code:
 
 ;; XEmacs autoloads CL so we might as well make use of it.
@@ -26,6 +31,9 @@
 
 (defalias 'current-time-seconds 'current-time)
 
+;; In case cl-map-keymap is an alias for map-keymap, avoid circular calls.
+(fset 'cl-map-keymap (indirect-function 'cl-map-keymap))
+
 (defun map-keymap (function keymap &optional sort-first)
   "Call FUNCTION for every binding in KEYMAP.
 This does not include bindings inherited from a parent keymap.
@@ -102,12 +110,43 @@ bottom of the buffer stack."
 		      (list buf)))
 		  (buffer-list)))))))
 
+(defun device-class (&optional device)
+  "Return the class (color behavior) of DEVICE.
+This will be one of 'color, 'grayscale, or 'mono.
+This function exists for compatibility with XEmacs."
+  (cond
+   ((display-color-p device) 'color)
+   ((display-grayscale-p device) 'grayscale)
+   (t 'mono)))
+
 (defalias 'find-face 'internal-find-face)
 (defalias 'get-face 'internal-get-face)
 (defalias 'try-face-font 'internal-try-face-font)
 
 (defalias 'exec-to-string 'shell-command-to-string)
 
+
+;; Buffer context
+
+(defun buffer-syntactic-context (&optional buffer)
+  "Syntactic context at point in BUFFER.
+Either of `string', `comment' or nil.
+This is an XEmacs compatibility function."
+  (with-current-buffer (or buffer (current-buffer))
+    (let ((state (syntax-ppss (point))))
+      (cond
+       ((nth 3 state) 'string)
+       ((nth 4 state) 'comment)))))
+
+
+(defun buffer-syntactic-context-depth (&optional buffer)
+  "Syntactic parenthesis depth at point in BUFFER.
+This is an XEmacs compatibility function."
+  (with-current-buffer (or buffer (current-buffer))
+    (nth 0 (syntax-ppss (point)))))
+
+
+;; Extents
 (defun make-extent (beg end &optional buffer)
   (make-overlay beg end buffer))
 
@@ -224,4 +263,5 @@ bottom of the buffer stack."
 
 (provide 'lucid)
 
-;;; end of lucid.el
+;;; arch-tag: 80f9ab46-0b36-4151-86ed-3edb6d449c9e
+;;; lucid.el ends here