Fix for autodoc when point in a rest formal arg in define.

1 files changed, 9 insertions, 7 deletions

diff --git a/scheme/guile/geiser/introspection.scm b/scheme/guile/geiser/introspection.scm
index 0a724f2..cab11fd 100644
--- a/scheme/guile/geiser/introspection.scm
+++ b/scheme/guile/geiser/introspection.scm
@@ -41,11 +41,12 @@
 (define (autodoc form)
   (cond ((null? form) #f)
         ((symbol? form) (describe-application (list form)))
+        ((and (pair? form) (not (list? form))) (autodoc (pair->list form)))
         ((list? form)
          (let ((lst (last form)))
            (cond ((symbol? lst) (or (describe-application (list lst))
                                     (describe-application form)))
-                 ((list? lst)
+                 ((pair? lst)
                   (or (autodoc lst)
                       (autodoc (map (lambda (s) (if (list? s) (gensym) s)) form))))
                  (else (describe-application form)))))
@@ -59,6 +60,12 @@
                (cons 'position (find-position args form))
                (cons 'module (symbol-module fun))))))
 
+(define (pair->list pair)
+  (let loop ((d pair) (s '()))
+    (cond ((null? d) (reverse! s))
+          ((symbol? d) (reverse! (cons d s)))
+          (else (loop (cdr d) (cons (car d) s))))))
+
 (define (arglst args kind)
   (let ((args (assq-ref args kind)))
     (cond ((or (not args) (null? args)) '())
@@ -159,18 +166,13 @@
 
 (define (local-bindings form)
   (define (body f) (if (> (length f) 2) (cddr f) '()))
-  (define (decl-list d)
-    (let loop ((d d) (s '()))
-      (cond ((null? d) s)
-            ((symbol? d) (cons d s))
-            (else (loop (cdr d) (cons (car d) s))))))
   (let loop ((form form) (bindings '()))
     (cond ((not (pair? form)) bindings)
           ((list? (car form))
            (loop (cdr form) (append (local-bindings (car form)) bindings)))
           ((and (list? form) (< (length form) 2)) bindings)
           ((memq (car form) '(define define* lambda))
-           (loop (body form) (append (decl-list (cadr form)) bindings)))
+           (loop (body form) (append (pair->list (cadr form)) bindings)))
           ((and (memq (car form) '(let let* letrec letrec*))
                 (list? (cadr form)))
            (loop (body form) (append (map car (cadr form)) bindings)))