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1 | ;;; cedet-idutils.el --- ID Utils support for CEDET. |
2 | ||
bd2afec2 | 3 | ;; Copyright (C) 2009 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Eric M. Ludlam <eric@siege-engine.com> | |
6 | ;; Version: 0.2 | |
7 | ;; Keywords: OO, lisp | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation, either version 3 of the License, or | |
14 | ;; (at your option) any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
23 | ||
24 | ;;; Commentary: | |
25 | ;; | |
26 | ;; Basic support calling ID Utils functions, and checking version | |
27 | ;; numbers. | |
28 | ||
29 | ;;; Code: | |
30 | ||
31 | (declare-function inversion-check-version "inversion") | |
32 | ||
33 | (defvar cedet-idutils-min-version "4.0" | |
34 | "Minimum version of ID Utils required.") | |
35 | ||
36 | (defcustom cedet-idutils-file-command "fnid" | |
37 | "Command name for the ID Utils executable for searching file names." | |
38 | :type 'string | |
39 | :group 'cedet) | |
40 | ||
41 | (defcustom cedet-idutils-token-command "lid" | |
42 | "Command name for the ID Utils executable for searching for tokens." | |
43 | :type 'string | |
44 | :group 'cedet) | |
45 | ||
46 | (defun cedet-idutils-search (searchtext texttype type scope) | |
bd2afec2 | 47 | "Perform a search with ID Utils, return the created buffer. |
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48 | SEARCHTEXT is text to find. |
49 | TEXTTYPE is the type of text, such as 'regexp, 'string, 'tagname, | |
50 | 'tagregexp, or 'tagcompletions. | |
51 | TYPE is the type of search, meaning that SEARCHTEXT is compared to | |
52 | filename, tagname (tags table), references (uses of a tag) , or | |
53 | symbol (uses of something not in the tag table.) | |
54 | SCOPE is the scope of the search, such as 'project or 'subdirs. | |
55 | Note: Scope is not yet supported." | |
56 | (if (eq type 'file) | |
57 | ;; Calls for file stuff is very simple. | |
58 | (cedet-idutils-fnid-call (list searchtext)) | |
59 | ;; Calls for text searches is more complex. | |
60 | (let* ((resultflg (if (eq texttype 'tagcompletions) | |
61 | (list "--key=token") | |
62 | (list "--result=grep"))) | |
63 | (scopeflgs nil) ; (cond ((eq scope 'project) "" ) ((eq scope 'target) "l"))) | |
64 | (stflag (cond ((or (eq texttype 'tagname) | |
65 | (eq texttype 'tagregexp)) | |
66 | (list "-r" "-w")) | |
67 | ((eq texttype 'tagcompletions) | |
68 | ;; Add regex to search text for beginning of char. | |
69 | (setq searchtext (concat "^" searchtext)) | |
70 | (list "-r" "-s" )) | |
71 | ((eq texttype 'regexp) | |
72 | (list "-r")) | |
73 | ;; t means 'symbol | |
74 | (t (list "-l" "-w")))) | |
75 | ) | |
76 | (cedet-idutils-lid-call (append resultflg scopeflgs stflag | |
77 | (list searchtext)))))) | |
78 | ||
79 | (defun cedet-idutils-fnid-call (flags) | |
80 | "Call ID Utils fnid with the list of FLAGS. | |
81 | Return the created buffer with with program output." | |
82 | (let ((b (get-buffer-create "*CEDET fnid*")) | |
83 | (cd default-directory) | |
84 | ) | |
0816d744 | 85 | (with-current-buffer b |
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86 | (setq default-directory cd) |
87 | (erase-buffer)) | |
88 | (apply 'call-process cedet-idutils-file-command | |
89 | nil b nil | |
90 | flags) | |
91 | b)) | |
92 | ||
93 | (defun cedet-idutils-lid-call (flags) | |
94 | "Call ID Utils lid with the list of FLAGS. | |
95 | Return the created buffer with with program output." | |
96 | (let ((b (get-buffer-create "*CEDET lid*")) | |
97 | (cd default-directory) | |
98 | ) | |
0816d744 | 99 | (with-current-buffer b |
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100 | (setq default-directory cd) |
101 | (erase-buffer)) | |
102 | (apply 'call-process cedet-idutils-token-command | |
103 | nil b nil | |
104 | flags) | |
105 | b)) | |
106 | ||
107 | ;;; UTIL CALLS | |
108 | ;; | |
109 | (defun cedet-idutils-expand-filename (filename) | |
bd2afec2 | 110 | "Expand the FILENAME with ID Utils. |
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111 | Return a filename relative to the default directory." |
112 | (interactive "sFile: ") | |
0816d744 | 113 | (let ((ans (with-current-buffer (cedet-idutils-fnid-call (list filename)) |
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114 | (goto-char (point-min)) |
115 | (if (looking-at "[^ \n]*fnid: ") | |
116 | (error "ID Utils not available") | |
117 | (split-string (buffer-string) "\n" t))))) | |
118 | (setq ans (mapcar 'expand-file-name ans)) | |
119 | (when (interactive-p) | |
120 | (if ans | |
121 | (if (= (length ans) 1) | |
122 | (message "%s" (car ans)) | |
123 | (message "%s + %d others" (car ans) | |
124 | (length (cdr ans)))) | |
125 | (error "No file found"))) | |
126 | ans)) | |
127 | ||
128 | (defun cedet-idutils-support-for-directory (&optional dir) | |
bd2afec2 | 129 | "Return non-nil if ID Utils has a support file for DIR. |
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130 | If DIR is not supplied, use the current default directory. |
131 | This works by running lid on a bogus symbol, and looking for | |
132 | the error code." | |
133 | (save-excursion | |
134 | (let ((default-directory (or dir default-directory))) | |
135 | (condition-case nil | |
136 | (progn | |
137 | (set-buffer (cedet-idutils-fnid-call '("moose"))) | |
138 | (goto-char (point-min)) | |
139 | (if (looking-at "[^ \n]*fnid: ") | |
140 | nil | |
141 | t)) | |
142 | (error nil))))) | |
143 | ||
144 | (defun cedet-idutils-version-check (&optional noerror) | |
145 | "Check the version of the installed ID Utils command. | |
146 | If optional programatic argument NOERROR is non-nil, then | |
147 | instead of throwing an error if Global isn't available, then | |
148 | return nil." | |
149 | (interactive) | |
150 | (require 'inversion) | |
151 | (let ((b (condition-case nil | |
152 | (cedet-idutils-fnid-call (list "--version")) | |
153 | (error nil))) | |
154 | (rev nil)) | |
155 | (if (not b) | |
156 | (progn | |
157 | (when (interactive-p) | |
158 | (message "ID Utils not found.")) | |
159 | nil) | |
0816d744 | 160 | (with-current-buffer b |
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161 | (goto-char (point-min)) |
162 | (re-search-forward "fnid - \\([0-9.]+\\)" nil t) | |
163 | (setq rev (match-string 1)) | |
164 | (if (inversion-check-version rev nil cedet-idutils-min-version) | |
165 | (if noerror | |
166 | nil | |
bd2afec2 | 167 | (error "Version of ID Utils is %s. Need at least %s" |
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168 | rev cedet-idutils-min-version)) |
169 | ;; Else, return TRUE, as in good enough. | |
170 | (when (interactive-p) | |
171 | (message "ID Utils %s - Good enough for CEDET." rev)) | |
172 | t))))) | |
173 | ||
174 | ||
175 | (provide 'cedet-idutils) | |
176 | ||
3999968a | 177 | ;; arch-tag: 663ca082-5b3d-4384-8710-cc74f990b501 |
666fd2cc | 178 | ;;; cedet-idutils.el ends here |