lisp/cedet/semantic/symref/idutils.el

   1 ;;; semantic/symref/idutils.el --- Symref implementation for idutils
   2
   3 ;;; Copyright (C) 2009-2017 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 ;; Support IDUtils use in the Semantic Symref tool.
  25
  26 (require 'cedet-idutils)
  27 (require 'semantic/symref)
  28
  29 ;;; Code:
  30 ;;;###autoload
  31 (defclass semantic-symref-tool-idutils (semantic-symref-tool-baseclass)
  32   (
  33    )
  34   "A symref tool implementation using ID Utils.
  35 The udutils command set 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-idutils-search' for more details.")
  40
  41 (cl-defmethod semantic-symref-perform-search ((tool semantic-symref-tool-idutils))
  42   "Perform a search with IDUtils."
  43   (let ((b (cedet-idutils-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-idutils--line-re
  53   "^\\(\\(?:[a-zA-Z]:\\)?[^:\n]+\\):\\([0-9]+\\):")
  54
  55 (cl-defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-idutils))
  56   "Parse one line of grep output, and return it as a match list.
  57 Moves cursor to end of the match."
  58   (cond ((eq (oref tool :resulttype) 'file)
  59          ;; Search for files
  60          (when (re-search-forward "^\\([^\n]+\\)$" nil t)
  61            (match-string 1)))
  62         ((eq (oref tool :searchtype) 'tagcompletions)
  63          (when (re-search-forward "^\\([^ ]+\\) " nil t)
  64            (match-string 1)))
  65         ((eq (oref tool :resulttype) 'line-and-text)
  66          (when (re-search-forward semantic-symref-idutils--line-re nil t)
  67            (list (string-to-number (match-string 2))
  68                  (expand-file-name (match-string 1) default-directory)
  69                  (buffer-substring-no-properties (point) (line-end-position)))))
  70         (t ; resulttype is line
  71          (when (re-search-forward semantic-symref-idutils--line-re nil t)
  72            (cons (string-to-number (match-string 2))
  73                  (expand-file-name (match-string 1) default-directory))
  74            ))))
  75
  76 (provide 'semantic/symref/idutils)
  77
  78 ;; Local variables:
  79 ;; generated-autoload-file: "../loaddefs.el"
  80 ;; generated-autoload-load-name: "semantic/symref/idutils"
  81 ;; End:
  82
  83 ;;; semantic/symref/idutils.el ends here