100 lines
3.5 KiB
EmacsLisp
100 lines
3.5 KiB
EmacsLisp
;;; semantic/symref/cscope.el --- Semantic-symref support via cscope -*- lexical-binding: t; -*-
|
|
|
|
;; Copyright (C) 2009-2024 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:
|
|
;;
|
|
;; 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.")
|
|
|
|
(cl-defmethod semantic-symref-perform-search ((tool semantic-symref-tool-cscope))
|
|
"Perform a search with CScope."
|
|
(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)))
|
|
|
|
(defconst semantic-symref-cscope--line-re
|
|
"^\\([^ ]+\\) [^ ]+ \\([0-9]+\\) ")
|
|
|
|
(cl-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)))
|
|
)
|
|
((eq (oref tool resulttype) 'line-and-text)
|
|
(when (re-search-forward semantic-symref-cscope--line-re nil t)
|
|
(list (string-to-number (match-string 2))
|
|
(expand-file-name (match-string 1))
|
|
(buffer-substring-no-properties (point) (line-end-position)))))
|
|
(t ; :resulttype is 'line
|
|
(when (re-search-forward semantic-symref-cscope--line-re 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
|