You are right. I used it and it works. Nice! Jay
On Sat, Jun 26, 2010 at 4:58 PM, Robby Findler <ro...@eecs.northwestern.edu> wrote: > It should be set by the 'configure-runtime thunk (from > module->language-info), right? > > (I'm not sure about the bug, tho.) > > Robby > > On Sat, Jun 26, 2010 at 8:47 AM, Jay McCarthy <jay.mccar...@gmail.com> wrote: >> Just using the core of even-read didn't work. It would start to read >> after parse-statement had returned and then my parser would just sit >> there because the port wasn't returning EOF. I think it is a bug. >> >> Jay >> >> On Fri, Jun 25, 2010 at 10:44 PM, Eli Barzilay <e...@barzilay.org> wrote: >>> On Jun 26, j...@racket-lang.org wrote: >>>> + ; XXX This is almost certainly wrong. >>>> + (define (even-read src ip) >>>> + (begin0 >>>> + (parameterize ([current-source-name src]) >>>> + (datum->syntax #f (parse-statement ip))) >>>> + (current-read-interaction odd-read))) >>>> + (define (odd-read src ip) >>>> + (current-read-interaction even-read) >>>> + eof) >>>> + >>>> + (current-read-interaction >>>> + even-read)) >>> >>> This is not just wrong -- it is likely to break things randomly. >>> Something like -- if you happen to invoke the datalog reader >>> indirectly (like just `read' a file in the language), you'd end up >>> with one of these readers as a side-effect. This is exactly how the >>> scribble/text language messed things up in a very confusing way: by >>> banging `current-print' to do its own thing. >>> >>> -- >>> ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: >>> http://barzilay.org/ Maze is Life! >>> >> >> >> >> -- >> Jay McCarthy <j...@cs.byu.edu> >> Assistant Professor / Brigham Young University >> http://teammccarthy.org/jay >> >> "The glory of God is Intelligence" - D&C 93 >> _________________________________________________ >> For list-related administrative tasks: >> http://lists.racket-lang.org/listinfo/dev > -- Jay McCarthy <j...@cs.byu.edu> Assistant Professor / Brigham Young University http://teammccarthy.org/jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev