HCoop / bpt / emacs.git / blame
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| a4bdf715 CY |
1 | ;;; semantic/symref/cscope.el --- Semantic-symref support via cscope. |
| 2 | ||
| 3 | ;;; Copyright (C) 2009 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 | ;;; Code: | |
| 30 | (defclass semantic-symref-tool-cscope (semantic-symref-tool-baseclass) | |
| 31 | ( | |
| 32 | ) | |
| 33 | "A symref tool implementation using CScope. | |
| 34 | The CScope command can be used to generate lists of tags in a way | |
| 35 | similar to that of `grep'. This tool will parse the output to generate | |
| 36 | the hit list. | |
| 37 | ||
| 38 | See the function `cedet-cscope-search' for more details.") | |
| 39 | ||
| 40 | (defmethod semantic-symref-perform-search ((tool semantic-symref-tool-cscope)) | |
| 41 | "Perform a search with GNU Global." | |
| 42 | (let* ((rootproj (when (and (featurep 'ede) ede-minor-mode) | |
| 43 | (ede-toplevel))) | |
| 44 | (default-directory (if rootproj | |
| 45 | (ede-project-root-directory rootproj) | |
| 46 | default-directory)) | |
| 47 | ;; CScope has to be run from the project root where | |
| 48 | ;; cscope.out is. | |
| 49 | (b (cedet-cscope-search (oref tool :searchfor) | |
| 50 | (oref tool :searchtype) | |
| 51 | (oref tool :resulttype) | |
| 52 | (oref tool :searchscope) | |
| 53 | )) | |
| 54 | ) | |
| 55 | (semantic-symref-parse-tool-output tool b) | |
| 56 | )) | |
| 57 | ||
| 58 | (defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-cscope)) | |
| 59 | "Parse one line of grep output, and return it as a match list. | |
| 60 | Moves cursor to end of the match." | |
| 61 | (cond ((eq (oref tool :resulttype) 'file) | |
| 62 | ;; Search for files | |
| 63 | (when (re-search-forward "^\\([^\n]+\\)$" nil t) | |
| 64 | (match-string 1))) | |
| 65 | ((eq (oref tool :searchtype) 'tagcompletions) | |
| 66 | ;; Search for files | |
| 67 | (when (re-search-forward "^[^ ]+ [^ ]+ [^ ]+ \\(.*\\)$" nil t) | |
| 68 | (let ((subtxt (match-string 1)) | |
| 69 | (searchtxt (oref tool :searchfor))) | |
| 70 | (if (string-match (concat "\\<" searchtxt "\\(\\w\\|\\s_\\)*\\>") | |
| 71 | subtxt) | |
| 72 | (match-string 0 subtxt) | |
| 73 | ;; We have to return something at this point. | |
| 74 | subtxt))) | |
| 75 | ) | |
| 76 | (t | |
| 77 | (when (re-search-forward "^\\([^ ]+\\) [^ ]+ \\([0-9]+\\) " nil t) | |
| 78 | (cons (string-to-number (match-string 2)) | |
| 79 | (expand-file-name (match-string 1))) | |
| 80 | )))) | |
| 81 | ||
| 82 | (provide 'semantic/symref/cscope) | |
| 83 | ||
| 84 | ;;; semantic/symref/cscope.el ends here |