| 1 | ;;; semantic/symref/cscope.el --- Semantic-symref support via cscope. |
| 2 | |
| 3 | ;;; Copyright (C) 2009-2013 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 | ;; Semantic symref support via cscope. |
| 25 | |
| 26 | (require 'cedet-cscope) |
| 27 | (require 'semantic/symref) |
| 28 | |
| 29 | (defvar ede-minor-mode) |
| 30 | (declare-function ede-toplevel "ede/base") |
| 31 | (declare-function ede-project-root-directory "ede/files") |
| 32 | |
| 33 | ;;; Code: |
| 34 | ;;;###autoload |
| 35 | (defclass semantic-symref-tool-cscope (semantic-symref-tool-baseclass) |
| 36 | ( |
| 37 | ) |
| 38 | "A symref tool implementation using CScope. |
| 39 | The CScope command can be used to generate lists of tags in a way |
| 40 | similar to that of `grep'. This tool will parse the output to generate |
| 41 | the hit list. |
| 42 | |
| 43 | See the function `cedet-cscope-search' for more details.") |
| 44 | |
| 45 | (defmethod semantic-symref-perform-search ((tool semantic-symref-tool-cscope)) |
| 46 | "Perform a search with GNU Global." |
| 47 | (let* ((rootproj (when (and (featurep 'ede) ede-minor-mode) |
| 48 | (ede-toplevel))) |
| 49 | (default-directory (if rootproj |
| 50 | (ede-project-root-directory rootproj) |
| 51 | default-directory)) |
| 52 | ;; CScope has to be run from the project root where |
| 53 | ;; cscope.out is. |
| 54 | (b (cedet-cscope-search (oref tool :searchfor) |
| 55 | (oref tool :searchtype) |
| 56 | (oref tool :resulttype) |
| 57 | (oref tool :searchscope) |
| 58 | )) |
| 59 | ) |
| 60 | (semantic-symref-parse-tool-output tool b) |
| 61 | )) |
| 62 | |
| 63 | (defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-cscope)) |
| 64 | "Parse one line of grep output, and return it as a match list. |
| 65 | Moves cursor to end of the match." |
| 66 | (cond ((eq (oref tool :resulttype) 'file) |
| 67 | ;; Search for files |
| 68 | (when (re-search-forward "^\\([^\n]+\\)$" nil t) |
| 69 | (match-string 1))) |
| 70 | ((eq (oref tool :searchtype) 'tagcompletions) |
| 71 | ;; Search for files |
| 72 | (when (re-search-forward "^[^ ]+ [^ ]+ [^ ]+ \\(.*\\)$" nil t) |
| 73 | (let ((subtxt (match-string 1)) |
| 74 | (searchtxt (oref tool :searchfor))) |
| 75 | (if (string-match (concat "\\<" searchtxt "\\(\\w\\|\\s_\\)*\\>") |
| 76 | subtxt) |
| 77 | (match-string 0 subtxt) |
| 78 | ;; We have to return something at this point. |
| 79 | subtxt))) |
| 80 | ) |
| 81 | (t |
| 82 | (when (re-search-forward "^\\([^ ]+\\) [^ ]+ \\([0-9]+\\) " nil t) |
| 83 | (cons (string-to-number (match-string 2)) |
| 84 | (expand-file-name (match-string 1))) |
| 85 | )))) |
| 86 | |
| 87 | (provide 'semantic/symref/cscope) |
| 88 | |
| 89 | ;; Local variables: |
| 90 | ;; generated-autoload-file: "../loaddefs.el" |
| 91 | ;; generated-autoload-load-name: "semantic/symref/cscope" |
| 92 | ;; End: |
| 93 | |
| 94 | ;;; semantic/symref/cscope.el ends here |