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authorJose Antonio Ortega Ruiz <jao@gnu.org>2009-02-14 20:52:27 +0100
committerJose Antonio Ortega Ruiz <jao@gnu.org>2009-02-14 20:52:27 +0100
commit5ee2ae3ccd73f5dfae68db011c581f918eea8751 (patch)
treec121a321d93bdc852ac99051be4c78b11db92348 /elisp/geiser-doc.el
parent13d84e514446438f0115585f3a14e36f535e2225 (diff)
downloadgeiser-chez-5ee2ae3ccd73f5dfae68db011c581f918eea8751.tar.gz
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New command to get docstrings (C-cC-d).
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+;; geiser-doc.el -- accessing documentation
+
+;; Copyright (C) 2009 Jose Antonio Ortega Ruiz
+
+;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
+;; Start date: Sat Feb 14, 2009 14:09
+
+;; This file 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.
+
+;; This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Comentary:
+
+;; Utilities for accessing docstrings and texinfo documentation.
+
+;;; Code:
+
+(require 'geiser-completion)
+(require 'geiser-eval)
+(require 'geiser-popup)
+(require 'geiser-base)
+
+
+;;; Documentation buffer:
+
+(geiser-popup--define doc "*Geiser documentation*" fundamental-mode)
+
+
+;;; Docstrings:
+
+(defun geiser-doc--get-docstring (symbol)
+ (geiser-eval--send/result `(:gs ((:ge docstring) ',symbol))))
+
+
+;;; Commands:
+
+(defun geiser-doc-symbol-at-point (&optional arg)
+ "Get docstring for symbol at point.
+With prefix argument, ask for symbol (with completion)."
+ (interactive "P")
+ (let ((symbol (or (and (not arg) (symbol-at-point))
+ (geiser-completion--read-symbol "Symbol: " (symbol-at-point)))))
+ (when symbol
+ (let ((ds (geiser-doc--get-docstring symbol)))
+ (if (not (stringp ds))
+ (message "No docstring available for '%s'" symbol)
+ (geiser-doc--with-buffer
+ (erase-buffer)
+ (insert ds))
+ (geiser-doc--pop-to-buffer))))))
+
+
+(provide 'geiser-doc)
+;;; geiser-doc.el ends here