--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/oobr/clos-brows.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,124 @@
+;;!emacs
+;;
+;; FILE:         clos-brows.el
+;; SUMMARY:      Common Lisp/CLOS source code browser.
+;; USAGE:        GNU Emacs Lisp Library
+;; KEYWORDS:     lisp, oop, tools
+;;
+;; AUTHOR:       Bob Weiner
+;; ORG:          Motorola Inc.
+;;
+;; ORIG-DATE:    29-Jul-90
+;; LAST-MOD:     20-Sep-95 at 14:21:17 by Bob Weiner
+;;
+;; Copyright (C) 1990-1995  Free Software Foundation, Inc.
+;; See the file BR-COPY for license information.
+;;
+;; This file is part of the OO-Browser.
+;;
+;; DESCRIPTION:  
+;;
+;;    Use 'clos-browse' to invoke the CLOS OO-Browser.  Prefix arg prompts for
+;;    name of Environment file.
+;;
+;; DESCRIP-END.
+
+;;; ************************************************************************
+;;; Other required Elisp libraries
+;;; ************************************************************************
+
+(mapcar 'require '(br-start br br-clos-ft))
+
+;;; ************************************************************************
+;;; Public functions
+;;; ************************************************************************
+
+;;;###autoload
+(defun clos-browse (&optional env-file no-ui)
+  "Invoke the CLOS OO-Browser.
+This allows browsing through CLOS library and system class hierarchies.  With
+an optional non-nil prefix argument ENV-FILE, prompt for Environment file
+to use.  Alternatively, a string value of ENV-FILE is used as the
+Environment file name.  See also the file \"br-help\"."
+  (interactive "P")
+  (let ((same-lang (equal br-lang-prefix clos-lang-prefix))
+	(load-succeeded t)
+	same-env)
+    (if same-lang
+	nil
+      ;; Save other language Environment in memory
+      (if br-lang-prefix (br-env-copy nil))
+      (setq br-lang-prefix clos-lang-prefix
+	    *br-save-wconfig* nil))
+    (setq same-env (or (equal clos-env-file env-file)
+		       (and (null env-file)
+			    (or clos-lib-search-dirs clos-sys-search-dirs))))
+    (cond
+     ;; Continue browsing an Environment
+     ((and same-env same-lang))
+     ((and same-env (not same-lang))
+      (clos-browse-setup) (br-env-copy t))
+     ;;
+     ;; Create default Environment file specification if needed and none
+     ;; exists.
+     ;;
+     (t (or env-file (file-exists-p clos-env-file)
+	    (br-env-create clos-env-file clos-lang-prefix))
+	(or env-file (setq env-file clos-env-file))
+	;;
+	;; Start browsing a new Environment.
+	;;
+	(clos-browse-setup)
+	(setq load-succeeded (br-env-init env-file same-lang nil))
+	(if load-succeeded
+	    (setq *br-save-wconfig* nil
+		  clos-env-file load-succeeded
+		  clos-sys-search-dirs br-sys-search-dirs
+		  clos-lib-search-dirs br-lib-search-dirs))))
+    (cond (load-succeeded
+	   (br-init)
+	   (or no-ui (br-browse)))
+	  (no-ui nil)
+	  (t (message "(clos-browse): You must build the Environment to browse it.")))))
+
+;; Don't filter Environment classes when listed.
+(fset 'clos-class-list-filter 'identity)
+
+(defun clos-class-definition-regexp (class)
+  "Return regexp to uniquely match the definition of CLASS name."
+  (concat clos-class-name-before (regexp-quote class)
+	  clos-class-name-after))
+
+;;; ************************************************************************
+;;; Internal functions
+;;; ************************************************************************
+
+(defun clos-browse-setup ()
+  "Setup language-dependent functions for OO-Browser."
+  (br-setup-functions)
+  ;; Use this until an info function is implemented for the language.
+  (fmakunbound 'br-insert-class-info)
+  (fset 'br-store-class-info 'clos-store-class-info)
+  (fset 'br-lang-mode
+	(cond ((featurep 'clos-mode) 'clos-mode)
+	      ((load "clos-mode" 'missing-ok 'nomessage)
+	       (provide 'clos-mode))
+	      (t 'clos-browse-mode)))
+  (br-setup-constants)
+  ;; Setup to add default classes to system class table after building it.
+  ;; This must come after br-setup-constants call since it clears these
+  ;; hooks.
+  (if (fboundp 'add-hook)
+      (add-hook 'br-after-build-sys-hook 'clos-add-default-classes)
+    (setq br-after-build-sys-hook '(clos-add-default-classes))))
+
+(defun clos-browse-mode ()
+  "Select major mode for browsing the current buffer's file."
+  (interactive)
+  (if (and (stringp buffer-file-name)
+	   (not (memq major-mode '(lisp-mode emacs-lisp-mode))))
+      (cond ((string-match "\\.el$" buffer-file-name)
+	     (emacs-lisp-mode))
+	    (t (lisp-mode)))))
+
+(provide 'clos-brows)