Base R6RS elisp implementation.

1 files changed, 50 insertions, 0 deletions

diff --git a/elisp/geiser-r6rs.el b/elisp/geiser-r6rs.el
new file mode 100644
index 0000000..48c33d9
--- /dev/null
+++ b/elisp/geiser-r6rs.el
@@ -0,0 +1,50 @@
+;;; geiser-r6rs.el -- Generic support for R6RS implementations
+
+;; Copyright (C) 2009 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: Thu Sep 24, 2009 15:06
+
+
+(require 'geiser-impl)
+(require 'geiser-base)
+
+
+
+(defun geiser-r6rs--marshall-procedure (proc)
+  `(eval ,proc '(geiser)))
+
+(defun geiser-r6rs--find-library (&optional name)
+  (cond ((null name)
+         (save-excursion
+           (while (not (zerop (geiser-syntax--nesting-level)))
+             (backward-up-list))
+           (when (re-search-forward "\\=(library +(" nil t)
+             (backward-char)
+             (geiser-syntax--read/list))))
+        ((listp name) name)
+        ((stringp name)
+         (let ((name (car (geiser-syntax--read-from-string name))))
+           (and (listp name) name)))))
+
+(defun geiser-r6rs--check ()
+  (save-excursion
+    (goto-char (point-min))
+    (re-search-forward "^(library[ \t]" nil t)))
+
+
+;;; Base class for R6RS implementations:
+
+(geiser-impl--define load-file-name 'r6rs nil
+                     '(marshall-procedure geiser-r6rs--marshall-procedure)
+                     '(find-module geiser-r6rs--find-library)
+                     '(check-buffer geiser-r6rs--check))
+
+
+(provide 'geiser-r6rs)
+;;; geiser-r6rs.el ends here
+