Silence some js compilation warnings

* lisp/progmodes/js.el: No need to load comint when compiling.
(ring-insert, comint-send-string, comint-send-input)
(comint-last-input-end, ido-chop): Declare.

2 files changed, 16 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 992c6e9f42c..ddd89f7cae9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,9 @@
 2013-05-23  Glenn Morris  <rgm@gnu.org>
 
+        * progmodes/js.el: No need to load comint when compiling.
+        (ring-insert, comint-send-string, comint-send-input)
+        (comint-last-input-end, ido-chop): Declare.
+
         * vc/ediff-diff.el, vc/ediff-merg.el: Require ediff-util at run-time.
         * vc/ediff-mult.el: Adjust requires.
         (ediff-directories-internal, ediff-directory-revisions-internal)
diff --git a/lisp/progmodes/js.el b/lisp/progmodes/js.el
index 2ea78fc321c..4e345b4bfa9 100644
--- a/lisp/progmodes/js.el
+++ b/lisp/progmodes/js.el
@@ -55,7 +55,6 @@
 
 (eval-when-compile
   (require 'cl-lib)
-  (require 'comint)
   (require 'ido))
 
 (defvar inferior-moz-buffer)
@@ -2217,6 +2216,9 @@ marker."
 
 (defvar find-tag-marker-ring)           ; etags
 
+;; etags loads ring.
+(declare-function ring-insert "ring" (ring item))
+
 (defun js-find-symbol (&optional arg)
   "Read a JavaScript symbol and jump to it.
 With a prefix argument, restrict symbols to those from the
@@ -2639,6 +2641,11 @@ with `js--js-encode-value'."
    ;; order to catch a prompt that's only partially arrived
    (save-excursion (forward-line 0) (point))))
 
+;; Presumably "inferior-moz-process" loads comint.
+(declare-function comint-send-string "comint" (process string))
+(declare-function comint-send-input "comint"
+                  (&optional no-newline artificial))
+
 (defun js--js-enter-repl ()
   (inferior-moz-process) ; called for side-effect
   (with-current-buffer inferior-moz-buffer
@@ -2824,6 +2831,8 @@ If nil, the whole Array is treated as a JS symbol.")
     (`error (signal 'js-js-error (list (cl-second result))))
     (x (error "Unmatched case in js--js-decode-retval: %S" x))))
 
+(defvar comint-last-input-end)
+
 (defun js--js-funcall (function &rest arguments)
   "Call the Mozilla function FUNCTION with arguments ARGUMENTS.
 If function is a string, look it up as a property on the global
@@ -2996,6 +3005,8 @@ left-to-right."
 
 (defvar js-read-tab-history nil)
 
+(declare-function ido-chop "ido" (items elem))
+
 (defun js--read-tab (prompt)
   "Read a Mozilla tab with prompt PROMPT.
 Return a cons of (TYPE . OBJECT).  TYPE is either 'window or