home *** CD-ROM | disk | FTP | other *** search
- ;;!emacs
- ;;
- ;; FILE: objc-brows.el
- ;; SUMMARY: Objective-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: 5-May-95 at 14:11:18 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 'objc-browse' to invoke the Objective-C OO-Browser. Prefix arg
- ;; prompts for name of Environment file.
- ;;
- ;; DESCRIP-END.
-
- (mapcar 'require '(br-start br br-objc-ft))
-
- ;;; ************************************************************************
- ;;; Public functions
- ;;; ************************************************************************
-
- ;; Cases
- ;;
- ;; env-file = nil
- ;; Use default environment, objc-env-file
- ;; if objc not loaded, load it
- ;; if objc-env-file != br-env-file
- ;; switch to objc
- ;;
- ;; env-file = t
- ;; Prompt for env
- ;; if env != objc
- ;; load it
- ;; else if env != br-env
- ;; switch to env
- ;;
- ;; env-file = filename
- ;; if env != objc-env
- ;;
- ;;
- ;; objc-env-file = br-env-file
-
- ;;;###autoload
- (defun objc-browse (&optional env-file no-ui)
- "Invoke the Objective-C OO-Browser.
- This allows browsing through Objective-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 objc-lang-prefix)))
- (if same-lang
- nil
- (if br-lang-prefix
- (br-env-copy nil)) ;; Save other language Environment in memory
- (setq br-lang-prefix objc-lang-prefix
- *br-save-wconfig* nil))
- (let ((same-env (or (equal objc-env-file env-file)
- (and (null env-file)
- (or objc-lib-search-dirs objc-sys-search-dirs)))))
- (cond
- ;; Continue browsing an Environment
- ((and same-env same-lang))
- ((and same-env (not same-lang))
- (progn (objc-browse-setup) (br-env-copy t)))
- ;;
- ;; Create default Environment file specification if needed and none
- ;; exists.
- ;;
- (t (or env-file (file-exists-p objc-env-file)
- (br-env-create objc-env-file objc-lang-prefix))
- (or env-file (setq env-file objc-env-file))
- ;;
- ;; Start browsing a new Environment.
- ;;
- (objc-browse-setup)
- (setq *br-save-wconfig* nil
- objc-env-file (br-env-init env-file same-lang nil)
- objc-sys-search-dirs br-sys-search-dirs
- objc-lib-search-dirs br-lib-search-dirs)))))
- (br-init)
- (or no-ui (br-browse)))
-
- (defun objc-class-list-filter (class-list)
- "Return CLASS-LIST sans any protocol or class category entries.
- Used when Environment classes are listed."
- (delq nil (mapcar (function (lambda (class)
- (if (string-match "[\(\<]" class)
- nil
- class)))
- class-list)))
-
- (defun objc-mode-setup ()
- "Load best available Objective-C major mode and set 'br-lang-mode' to the function that invokes it."
- (fset 'br-lang-mode
- (cond ((or (fboundp 'objc-mode) (featurep 'objc-mode)) 'objc-mode)
- ((load "objc-mode" t 'nomessage) 'objc-mode)
- ((featurep 'c-mode) 'c-mode)
- ((load "cc-mode" 'missing-ok 'nomessage)
- (if (fboundp 'objc-mode) 'objc-mode 'c-mode))
- ((load "c-mode" nil 'nomessage)
- (provide 'c-mode)))))
-
- ;;; ************************************************************************
- ;;; Internal functions
- ;;; ************************************************************************
-
- (defun objc-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 'objc-store-class-info)
- (objc-mode-setup)
- (br-setup-constants)
- ;; Setup to add default classes ([category] and [protocol]) 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 'objc-add-default-classes)
- (setq br-after-build-sys-hook '(objc-add-default-classes))))
-
-
- (provide 'objc-brows)
-