--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/oobr/c++-browse.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,119 @@
+;;!emacs
+;;
+;; FILE:         c++-browse.el
+;; SUMMARY:      C++ source code browser.
+;; USAGE:        GNU Emacs Lisp Library
+;; KEYWORDS:     c, oop, tools
+;;
+;; AUTHOR:       Bob Weiner
+;; ORG:          Motorola Inc.
+;;
+;; ORIG-DATE:    12-Dec-89
+;; LAST-MOD:     20-Sep-95 at 14:18:40 by Bob Weiner
+;;
+;; Copyright (C) 1989-1995  Free Software Foundation, Inc.
+;; See the file BR-COPY for license information.
+;;
+;; This file is part of the OO-Browser.
+;;
+;; DESCRIPTION:  
+;;
+;;    Use 'c++-browse' to invoke the C++ OO-Browser.  Prefix arg prompts for
+;;    name of Environment file.
+;;
+;; DESCRIP-END.
+
+;; ************************************************************************
+;; Other required Elisp libraries
+;; ************************************************************************
+
+(mapcar 'require '(br-start br br-c++-ft))
+
+;;; ************************************************************************
+;;; Public functions
+;;; ************************************************************************
+
+;;;###autoload
+(defun c++-browse (&optional env-file no-ui)
+  "Invoke the C++ OO-Browser.
+This allows browsing through C++ 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 c++-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 c++-lang-prefix
+	    *br-save-wconfig* nil))
+    (setq same-env (or (equal c++-env-file env-file)
+		       (and (null env-file)
+			    (or c++-lib-search-dirs c++-sys-search-dirs))))
+    (cond
+     ;; Continue browsing an Environment
+     ((and same-env same-lang))
+     ((and same-env (not same-lang))
+      (c++-browse-setup) (br-env-copy t))
+     ;;
+     ;; Create default Environment file specification if needed and none
+     ;; exists.
+     ;;
+     (t (or env-file (file-exists-p c++-env-file)
+	    (br-env-create c++-env-file c++-lang-prefix))
+	(or env-file (setq env-file c++-env-file))
+	;;
+	;; Start browsing a new Environment.
+	;;
+	(c++-browse-setup)
+	(setq load-succeeded (br-env-init env-file same-lang nil))
+	(if load-succeeded
+	    (setq *br-save-wconfig* nil
+		  c++-env-file load-succeeded
+		  c++-sys-search-dirs br-sys-search-dirs
+		  c++-lib-search-dirs br-lib-search-dirs))))
+    (cond (load-succeeded
+	   (br-init)
+	   (or no-ui (br-browse)))
+	  (no-ui nil)
+	  (t (message "(c++-browse): You must build the Environment to browse it.")))))
+
+;; Don't filter Environment classes when listed.
+(fset 'c++-class-list-filter 'identity)
+
+(defun c++-mode-setup ()
+  "Load best available C++ major mode and set 'br-lang-mode' to the function that invokes it."
+  (fset 'br-lang-mode
+	(cond ((or (featurep 'cc-mode) (featurep 'c++-mode))
+	       'c++-mode)
+	      ((load "cc-mode" 'missing-ok 'nomessage)
+	       (provide 'c++-mode))
+	      ((load "c++-mode" 'missing-ok 'nomessage)
+	       (provide 'c++-mode))
+	      ((featurep 'c-mode) 'c-mode)
+	      ((load "c-mode" nil 'nomessage)
+	       (provide 'c-mode)))))
+
+;;; ************************************************************************
+;;; Internal functions
+;;; ************************************************************************
+
+(defun c++-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 'c++-store-class-info)
+  (c++-mode-setup)
+  (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 'c++-add-default-classes)
+    (setq br-after-build-sys-hook '(c++-add-default-classes))))
+
+(provide 'c++-browse)