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;;; semantic/symref/cscope.el --- Semantic-symref support via cscope.
;;; Copyright (C) 2009-2013 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <eric@siege-engine.com>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Semantic symref support via cscope.
(require 'cedet-cscope)
(require 'semantic/symref)
(defvar ede-minor-mode)
(declare-function ede-toplevel "ede/base")
(declare-function ede-project-root-directory "ede/files")
;;; Code:
;;;###autoload
(defclass semantic-symref-tool-cscope (semantic-symref-tool-baseclass)
(
)
"A symref tool implementation using CScope.
The CScope command can be used to generate lists of tags in a way
similar to that of `grep'. This tool will parse the output to generate
the hit list.
See the function `cedet-cscope-search' for more details.")
(defmethod semantic-symref-perform-search ((tool semantic-symref-tool-cscope))
"Perform a search with GNU Global."
(let* ((rootproj (when (and (featurep 'ede) ede-minor-mode)
(ede-toplevel)))
(default-directory (if rootproj
(ede-project-root-directory rootproj)
default-directory))
;; CScope has to be run from the project root where
;; cscope.out is.
(b (cedet-cscope-search (oref tool :searchfor)
(oref tool :searchtype)
(oref tool :resulttype)
(oref tool :searchscope)
))
)
(semantic-symref-parse-tool-output tool b)
))
(defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-cscope))
"Parse one line of grep output, and return it as a match list.
Moves cursor to end of the match."
(cond ((eq (oref tool :resulttype) 'file)
;; Search for files
(when (re-search-forward "^\\([^\n]+\\)$" nil t)
(match-string 1)))
((eq (oref tool :searchtype) 'tagcompletions)
;; Search for files
(when (re-search-forward "^[^ ]+ [^ ]+ [^ ]+ \\(.*\\)$" nil t)
(let ((subtxt (match-string 1))
(searchtxt (oref tool :searchfor)))
(if (string-match (concat "\\<" searchtxt "\\(\\w\\|\\s_\\)*\\>")
subtxt)
(match-string 0 subtxt)
;; We have to return something at this point.
subtxt)))
)
(t
(when (re-search-forward "^\\([^ ]+\\) [^ ]+ \\([0-9]+\\) " nil t)
(cons (string-to-number (match-string 2))
(expand-file-name (match-string 1)))
))))
(provide 'semantic/symref/cscope)
;; Local variables:
;; generated-autoload-file: "../loaddefs.el"
;; generated-autoload-load-name: "semantic/symref/cscope"
;; End:
;;; semantic/symref/cscope.el ends here
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