diff options
author | David Thompson <dthompson2@worcester.edu> | 2014-06-28 18:46:16 -0400 |
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committer | David Thompson <dthompson2@worcester.edu> | 2014-06-28 18:46:16 -0400 |
commit | f47eb69a354188154731846dde8b384c2c2f39f6 (patch) | |
tree | 6aa1ccb9212836b7c941e771475eb995fa6df9f9 /sly/wrappers/util.scm | |
parent | df0f2a5f3f09394f1953abbc7e33e9a98204680e (diff) |
Rename guile-2d to Sly!
Massive find/replace job.
Diffstat (limited to 'sly/wrappers/util.scm')
-rw-r--r-- | sly/wrappers/util.scm | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sly/wrappers/util.scm b/sly/wrappers/util.scm new file mode 100644 index 0000000..b2dcbb4 --- /dev/null +++ b/sly/wrappers/util.scm @@ -0,0 +1,40 @@ +;;; Sly +;;; Copyright (C) 2013, 2014 David Thompson <dthompson2@worcester.edu> +;;; +;;; This program 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 program 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/>. + +;;; Commentary: +;; +;; Wrapper helper procedures. +;; +;;; Code: + +(define-module (sly wrappers util) + #:export (define-enumeration)) + +;; Borrowed from guile-opengl +(define-syntax-rule (define-enumeration enumerator (name value) ...) + (define-syntax enumerator + (lambda (x) + (syntax-case x () + ((_) + #''(name ...)) + ((_ enum) (number? (syntax->datum #'enum)) + #'enum) + ((_ enum) + (or (assq-ref '((name . value) ...) + (syntax->datum #'enum)) + (syntax-violation 'enumerator "invalid enumerated value" + #'enum))))))) |