| From: Kevin Ryde <[EMAIL PROTECTED]> | Date: Tue, 16 Jan 2007 09:35:50 +1100 | | Aubrey Jaffer <[EMAIL PROTECTED]> writes: | > | > | From: Marc Feeley <[EMAIL PROTECTED]> | > | Date: Wed, 29 Nov 2006 15:58:57 -0500 | > | | > | For SCM it seems that a macro call is normally expanded when | > | an expression is encountered in a top-down traversal of the | > | code, but not always. For example, in the function bar2 below | > | the macro call to foo is expanded when bar2 is *called*, and | > | at that point a new definition of the macro foo has been | > | introduced. | | I thought that was the idea for defmacro, to expand when it runs, | and in fact to re-expand every time it's run. A little wasteful, | but it's emulating lisp style (or is it just emacs-lisp style) in | that isn't it?
Looking at http://www.cs.cmu.edu/Groups/AI/html/hyperspec/HyperSpec/Body/mac_defmacro.html I don't see where it requires repeated evaluation. _______________________________________________ Bug-guile mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-guile
