commit: Allow disabling a symbol macro with a macro environment, #'cl-macroexpand
13 years, 6 months
Aidan Kehoe
Aidan Kehoe
changeset: 5531:1b054bc2ac40
tag: tip
user: Aidan Kehoe <kehoea(a)parhasard.net>
date: Sun Jul 03 14:17:39 2011 +0100
files: lisp/ChangeLog lisp/cl.el
description:
Allow disabling a symbol macro with a macro environment, #'cl-macroexpand
2011-07-03 Aidan Kehoe <kehoea(a)parhasard.net>
* cl.el (cl-macroexpand):
Allow code to disable a given symbol macro while expanding code by
prepending a cons with a nil cdr to the macro environment.
diff -r 17bcc2aab111 -r 1b054bc2ac40 lisp/ChangeLog
--- a/lisp/ChangeLog Tue Jun 28 18:34:26 2011 +0100
+++ b/lisp/ChangeLog Sun Jul 03 14:17:39 2011 +0100
＠＠ -1,3 +1,9 ＠＠
+2011-07-03 Aidan Kehoe <kehoea(a)parhasard.net>
+
+ * cl.el (cl-macroexpand):
+ Allow code to disable a given symbol macro while expanding code by
+ prepending a cons with a nil cdr to the macro environment.
+
2011-06-25 Aidan Kehoe <kehoea(a)parhasard.net>
* gtk-init.el:
diff -r 17bcc2aab111 -r 1b054bc2ac40 lisp/cl.el
--- a/lisp/cl.el Tue Jun 28 18:34:26 2011 +0100
+++ b/lisp/cl.el Sun Jul 03 14:17:39 2011 +0100
＠＠ -234,9 +234,9 ＠＠
(macroexpand-internal cl-macro cl-macro-environment))
(and (symbolp cl-macro)
(setq eq-hash (eq-hash cl-macro))
- (if (fixnump eq-hash)
- (assq eq-hash cl-macro-environment)
- (assoc eq-hash cl-macro-environment))))
+ (cdr (if (fixnump eq-hash)
+ (assq eq-hash cl-macro-environment)
+ (assoc eq-hash cl-macro-environment)))))
(setq cl-macro (cadr (assoc* eq-hash cl-macro-environment))))
cl-macro))
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