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comparison lisp/oobr/java-brows.el @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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1 ;;!emacs
2 ;;
3 ;; FILE: java-brows.el
4 ;; SUMMARY: Java source code browser.
5 ;; USAGE: GNU Emacs Lisp Library
6 ;; KEYWORDS: java, oop, tools
7 ;;
8 ;; AUTHOR: Bob Weiner
9 ;; ORG: Motorola Inc.
10 ;;
11 ;; ORIG-DATE: 01-Aug-95
12 ;; LAST-MOD: 20-Sep-95 at 14:18:44 by Bob Weiner
13 ;;
14 ;; Copyright (C) 1995 Free Software Foundation, Inc.
15 ;; See the file BR-COPY for license information.
16 ;;
17 ;; This file is part of the OO-Browser.
18 ;;
19 ;; DESCRIPTION:
20 ;;
21 ;; Use 'java-browse' to invoke the java OO-Browser. Prefix arg prompts for
22 ;; name of Environment file.
23 ;;
24 ;; DESCRIP-END.
25
26 ;; ************************************************************************
27 ;; Other required Elisp libraries
28 ;; ************************************************************************
29
30 (mapcar 'require '(br-start br br-java-ft))
31
32 ;;; ************************************************************************
33 ;;; Public functions
34 ;;; ************************************************************************
35
36 ;;;###autoload
37 (defun java-browse (&optional env-file no-ui)
38 "Invoke the Java OO-Browser.
39 This allows browsing through Java library and system class hierarchies. With
40 an optional non-nil prefix argument ENV-FILE, prompt for Environment file to
41 use. Alternatively, a string value of ENV-FILE is used as the Environment
42 file name. See also the file \"br-help\"."
43 (interactive "P")
44 (let ((same-lang (equal br-lang-prefix java-lang-prefix))
45 (load-succeeded t)
46 same-env)
47 (if same-lang
48 nil
49 ;; Save other language Environment in memory
50 (if br-lang-prefix (br-env-copy nil))
51 (setq br-lang-prefix java-lang-prefix
52 *br-save-wconfig* nil))
53 (setq same-env (or (equal java-env-file env-file)
54 (and (null env-file)
55 (or java-lib-search-dirs java-sys-search-dirs))))
56 (cond
57 ;; Continue browsing an Environment
58 ((and same-env same-lang))
59 ((and same-env (not same-lang))
60 (java-browse-setup) (br-env-copy t))
61 ;;
62 ;; Create default Environment file specification if needed and none
63 ;; exists.
64 ;;
65 (t (or env-file (file-exists-p java-env-file)
66 (br-env-create java-env-file java-lang-prefix))
67 (or env-file (setq env-file java-env-file))
68 ;;
69 ;; Start browsing a new Environment.
70 ;;
71 (java-browse-setup)
72 (setq load-succeeded (br-env-init env-file same-lang nil))
73 (if load-succeeded
74 (setq *br-save-wconfig* nil
75 java-env-file load-succeeded
76 java-sys-search-dirs br-sys-search-dirs
77 java-lib-search-dirs br-lib-search-dirs))))
78 (cond (load-succeeded
79 (br-init)
80 (or no-ui (br-browse)))
81 (no-ui nil)
82 (t (message "(java-browse): You must build the Environment to browse it.")))))
83
84 ;; Don't filter Environment classes when listed.
85 (fset 'java-class-list-filter 'identity)
86
87 (defun java-mode-setup ()
88 "Load best available java major mode and set 'br-lang-mode' to the function that invokes it."
89 (fset 'br-lang-mode
90 (cond ((or (featurep 'java-mode)
91 (load "java-mode" 'missing-ok 'nomessage))
92 'java-mode)
93 ((featurep 'cc-mode)
94 'c++-mode)
95 ((load "cc-mode" 'missing-ok 'nomessage)
96 (provide 'c++-mode))
97 (t (error "(java-mode-setup): Can't load major mode for Java code.")))))
98
99 ;;; ************************************************************************
100 ;;; Internal functions
101 ;;; ************************************************************************
102
103 (defun java-browse-setup ()
104 "Setup language-dependent functions for OO-Browser."
105 (br-setup-functions)
106 ;; Use this until an info function is implemented for the language.
107 (fmakunbound 'br-insert-class-info)
108 (fset 'br-store-class-info 'java-store-class-info)
109 (java-mode-setup)
110 (br-setup-constants))
111
112 (provide 'java-brows)