[Emacs-diffs] /srv/bzr/emacs/trunk r102566: gnus-util.el (gnus-macroexpand-all): Allow optional argument `environment'.

[Katsumi Yamaoka]

------------------------------------------------------------
revno: 102566
committer: Katsumi Yamaoka <address@hidden>
branch nick: trunk
timestamp: Fri 2010-12-03 07:49:34 +0000
message:
  gnus-util.el (gnus-macroexpand-all): Allow optional argument `environment'.
modified:
  lisp/gnus/ChangeLog
  lisp/gnus/gnus-util.el

=== modified file 'lisp/gnus/ChangeLog'
--- a/lisp/gnus/ChangeLog       2010-12-03 04:39:36 +0000
+++ b/lisp/gnus/ChangeLog       2010-12-03 07:49:34 +0000
@@ -1,6 +1,7 @@
 2010-12-03  Katsumi Yamaoka  <address@hidden>
 
-       * gnus-util.el (gnus-macroexpand-all): Don't modify argument.
+       * gnus-util.el (gnus-macroexpand-all): Don't modify argument;
+       allow optional argument `environment'.
 
 2010-12-03  Glenn Morris  <address@hidden>
 

=== modified file 'lisp/gnus/gnus-util.el'
--- a/lisp/gnus/gnus-util.el    2010-12-03 04:39:36 +0000
+++ b/lisp/gnus/gnus-util.el    2010-12-03 07:49:34 +0000
@@ -2036,9 +2036,11 @@
 
 (if (fboundp 'macroexpand-all)
     (defalias 'gnus-macroexpand-all 'macroexpand-all)
-  (defun gnus-macroexpand-all (form)
+  (defun gnus-macroexpand-all (form &optional environment)
     "Return result of expanding macros at all levels in FORM.
-If no macros are expanded, FORM is returned unchanged."
+If no macros are expanded, FORM is returned unchanged.
+The second optional arg ENVIRONMENT specifies an environment of macro
+definitions to shadow the loaded ones for use in file byte-compilation."
     (if (consp form)
        (let ((idx 1)
              (len (length (setq form (copy-sequence form))))
@@ -2046,7 +2048,7 @@
          (while (< idx len)
            (setcar (nthcdr idx form) (gnus-macroexpand-all (nth idx form)))
            (setq idx (1+ idx)))
-         (if (eq (setq expanded (macroexpand form)) form)
+         (if (eq (setq expanded (macroexpand form environment)) form)
              form
            (gnus-macroexpand-all expanded)))
       form)))