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;;; semantic/symref/global.el --- Use GNU Global for symbol references -*- lexical-binding: t; -*-
;; Copyright (C) 2008-2021 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; GNU Global use with the semantic-symref system.
(require 'cedet-global)
(require 'semantic/symref)
;;; Code:
;;;###autoload
(defclass semantic-symref-tool-global (semantic-symref-tool-baseclass)
(
)
"A symref tool implementation using GNU Global.
The GNU Global 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-gnu-global-search' for more details.")
(cl-defmethod semantic-symref-perform-search ((tool semantic-symref-tool-global))
"Perform a search with GNU Global."
(let ((b (cedet-gnu-global-search (oref tool searchfor)
(oref tool searchtype)
(oref tool resulttype)
(oref tool searchscope))))
(semantic-symref-parse-tool-output tool b)))
(defconst semantic-symref-global--line-re
"^\\([^ ]+\\) +\\([0-9]+\\) \\([^ ]+\\) ")
(cl-defmethod semantic-symref-parse-tool-output-one-line ((tool semantic-symref-tool-global))
"Parse one line of grep output, and return it as a match list.
Moves cursor to end of the match."
(cond ((or (eq (oref tool resulttype) 'file)
(eq (oref tool searchtype) 'tagcompletions))
;; Search for files
(when (re-search-forward "^\\([^\n]+\\)$" nil t)
(match-string 1)))
((eq (oref tool resulttype) 'line-and-text)
(when (re-search-forward semantic-symref-global--line-re nil t)
(list (string-to-number (match-string 2))
(match-string 3)
(buffer-substring-no-properties (point) (line-end-position)))))
(t
(when (re-search-forward semantic-symref-global--line-re nil t)
(cons (string-to-number (match-string 2))
(match-string 3))
))))
(provide 'semantic/symref/global)
;; Local variables:
;; generated-autoload-file: "../loaddefs.el"
;; generated-autoload-load-name: "semantic/symref/global"
;; End:
;;; semantic/symref/global.el ends here
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