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   1 ;;; semantic/symref/global.el --- Use GNU Global for symbol references
   2
   3 ;; Copyright (C) 2008-2016 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 ;; GNU Global use with the semantic-symref system.
  25
  26 (require 'cedet-global)
  27 (require 'semantic/symref)
  28
  29 ;;; Code:
  30 ;;;###autoload
  31 (defclass semantic-symref-tool-global (semantic-symref-tool-baseclass)
  32   (
  33    )
  34   "A symref tool implementation using GNU Global.
  35 The GNU Global command can be used to generate lists of tags in a way
  36 similar to that of `grep'.  This tool will parse the output to generate
  37 the hit list.
  38
  39 See the function `cedet-gnu-global-search' for more details.")
  40
  41 (cl-defmethod semantic-symref-perform-search ((tool semantic-symref-tool-global))
  42   "Perform a search with GNU Global."
  43   (let ((b (cedet-gnu-global-search (oref tool :searchfor)
  44                                     (oref tool :searchtype)
  45                                     (oref tool :resulttype)
  46                                     (oref tool :searchscope)
  47                                     ))
  48         )
  49     (semantic-symref-parse-tool-output tool b)
  50     ))
  51
  52 (defconst semantic-symref-global--line-re
  53   "^\\([^ ]+\\) +\\([0-9]+\\) \\([^ ]+\\) ")
  54
  55 (cl-defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-global))
  56   "Parse one line of grep output, and return it as a match list.
  57 Moves cursor to end of the match."
  58   (cond ((or (eq (oref tool :resulttype) 'file)
  59              (eq (oref tool :searchtype) 'tagcompletions))
  60          ;; Search for files
  61          (when (re-search-forward "^\\([^\n]+\\)$" nil t)
  62            (match-string 1)))
  63         ((eq (oref tool :resulttype) 'line-and-text)
  64          (when (re-search-forward semantic-symref-global--line-re nil t)
  65            (list (string-to-number (match-string 2))
  66                  (match-string 3)
  67                  (buffer-substring-no-properties (point) (line-end-position)))))
  68         (t
  69          (when (re-search-forward semantic-symref-global--line-re nil t)
  70            (cons (string-to-number (match-string 2))
  71                  (match-string 3))
  72            ))))
  73
  74 (provide 'semantic/symref/global)
  75
  76 ;; Local variables:
  77 ;; generated-autoload-file: "../loaddefs.el"
  78 ;; generated-autoload-load-name: "semantic/symref/global"
  79 ;; End:
  80
  81 ;;; semantic/symref/global.el ends here