lisp/cedet/srecode/java.el

   1 ;;; srecode/java.el --- Srecode Java support
   2
   3 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
   4
   5 ;; Author: Eric M. Ludlam <eric@siege-engine.com>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Commentary:
  23 ;;
  24 ;; Special support for the Java language.
  25
  26 ;;; Code:
  27
  28 (require 'srecode/dictionary)
  29 (require 'semantic/find)
  30 (require 'ede)
  31
  32 ;;;###autoload
  33 (defun srecode-semantic-handle-:java (dict)
  34   "Add macros into the dictionary DICT based on the current java file.
  35 Adds the following:
  36 FILENAME_AS_PACKAGE - file/dir converted into a java package name.
  37 FILENAME_AS_CLASS - file converted to a Java class name."
  38   ;; Symbols needed by empty files.
  39   (let* ((fsym (file-name-nondirectory (buffer-file-name)))
  40          (fnox (file-name-sans-extension fsym))
  41          (dir (file-name-directory (buffer-file-name)))
  42          (fpak fsym)
  43          (proj (ede-current-project))
  44          (pths (ede-source-paths proj 'java-mode))
  45          )
  46     (while (string-match "\\.\\| " fpak)
  47       (setq fpak (replace-match "_" t t fpak)))
  48     ;; We can extract package from:
  49     ;; 1) a java EDE project source paths,
  50     (cond ((and proj pths)
  51            (let* ((pth) (res))
  52              (while (and (not res)
  53                          (setq pth (expand-file-name (car pths))))
  54                (when (string-match pth dir)
  55                  (setq res (substring dir (match-end 0))))
  56                (setq pths (cdr pths)))
  57              (setq dir res)))
  58           ;; 2) a simple heuristic
  59           ((string-match "src/" dir)
  60            (setq dir (substring dir (match-end 0))))
  61           ;; 3) outer directory as a fallback
  62           (t (setq dir (file-name-nondirectory (directory-file-name dir)))))
  63     (setq dir (directory-file-name dir))
  64     (while (string-match "/" dir)
  65       (setq dir (replace-match "." t t dir)))
  66     (srecode-dictionary-set-value dict "FILENAME_AS_PACKAGE" dir)
  67     (srecode-dictionary-set-value dict "FILENAME_AS_CLASS" fnox)
  68     )
  69   ;; Symbols needed for most other files with stuff in them.
  70   (let ((pkg (semantic-find-tags-by-class 'package (current-buffer))))
  71     (when pkg
  72       (srecode-dictionary-set-value dict "CURRENT_PACKAGE" (semantic-tag-name (car pkg)))
  73       ))
  74   )
  75
  76 (provide 'srecode/java)
  77
  78 ;; Local variables:
  79 ;; generated-autoload-file: "loaddefs.el"
  80 ;; generated-autoload-load-name: "srecode/java"
  81 ;; End:
  82
  83 ;;; srecode/java.el ends here