From 4a647eb328c1260c05d5ac9cdcc239086d07e51b Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Fri, 13 Feb 2009 00:54:26 +0100
Subject: Faster, asynchronous autodoc.

---
 geiser/emacs.scm         |  2 +-
 geiser/introspection.scm | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/geiser/emacs.scm b/geiser/emacs.scm
index a3212af..79da237 100644
--- a/geiser/emacs.scm
+++ b/geiser/emacs.scm
@@ -25,7 +25,7 @@
 ;;; Code:
 
 (define-module (geiser emacs)
-  #:re-export (ge:proc-args
+  #:re-export (ge:arguments
                ge:completions
                ge:symbol-location
                ge:compile-file
diff --git a/geiser/introspection.scm b/geiser/introspection.scm
index 38c0b79..efe9a09 100644
--- a/geiser/introspection.scm
+++ b/geiser/introspection.scm
@@ -25,11 +25,17 @@
 ;;; Code:
 
 (define-module (geiser introspection)
-  #:export (proc-args completions symbol-location)
+  #:export (arguments completions symbol-location)
   #:use-module (system vm program)
   #:use-module (ice-9 session)
   #:use-module (srfi srfi-1))
 
+(define (arguments sym . syms)
+  (let loop ((sym sym) (syms syms))
+    (cond ((proc-args sym) => (lambda (args) (cons sym args)))
+          ((null? syms) #f)
+          (else (loop (car syms) (cdr syms))))))
+
 (define (proc-args proc)
   (obj-args (resolve-symbol proc)))
 
@@ -73,7 +79,7 @@
           ((pair? formals) (format-args (car formals)
                                         (cdr formals)
                                         (symbol-module name)))
-          (else '()))))
+          (else #f))))
 
 (define (macro-args macro)
   (let ((prog (macro-transformer macro)))
-- 
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