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;;; geiser-custom.el -- customization utilities
;; Copyright (C) 2009, 2010, 2012 Jose Antonio Ortega Ruiz
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the Modified BSD License. You should
;; have received a copy of the license along with this program. If
;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
;; Start date: Sat Feb 14, 2009 21:49
(require 'font-lock)
(require 'geiser-base)
;;; Customization group:
(defgroup geiser nil
"Geiser framework for Scheme-Emacs interaction."
:group 'languages)
;;; Faces:
(defgroup geiser-faces nil
"Faces used by Geiser."
:group 'geiser
:group 'faces)
(defmacro geiser-custom--defface (face def group doc)
(declare (doc-string 4))
(let ((face (intern (format "geiser-font-lock-%s" face))))
`(defface ,face (face-default-spec ,def)
,(format "Face for %s." doc)
:group ',group
:group 'geiser-faces
:group 'faces)))
(put 'geiser-custom--defface 'lisp-indent-function 1)
;;; Reload support:
(defvar geiser-custom--memoized-vars nil)
(defun geiser-custom--memoize (name)
(add-to-list 'geiser-custom--memoized-vars name))
(defmacro geiser-custom--defcustom (name &rest body)
(declare (doc-string 3) (debug (name body)))
`(progn
(geiser-custom--memoize ',name)
(defcustom ,name ,@body)))
(defun geiser-custom--memoized-state ()
(let ((result))
(dolist (name geiser-custom--memoized-vars result)
(when (boundp name)
(push (cons name (symbol-value name)) result)))))
(put 'geiser-custom--defcustom 'lisp-indent-function 2)
(defconst geiser-custom-font-lock-keywords
(eval-when-compile
`((,(concat "(\\(geiser-custom--\\(?:defcustom\\|defface\\)\\)\\_>"
"[ \t'\(]*"
"\\(\\(?:\\sw\\|\\s_\\)+\\)?")
(1 font-lock-keyword-face)
(2 font-lock-variable-name-face nil t)))))
(font-lock-add-keywords 'emacs-lisp-mode geiser-custom-font-lock-keywords)
(provide 'geiser-custom)
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