What Carl means is something like this: @;% @(begin #reader scribble/comment-reader (schemeblock ;; Int -> Int ;; increment the argument by 1 (define (plus1 x) (+ x 1)) )) @;%
If I don't set the sribble/comment-reader the ;-line comments disappear. -- Matthias On Jun 27, 2011, at 3:32 PM, Carl Eastlund wrote: > Maurizio, > > Modules, including Scribble documents, are read in their entirety > before any compilation or evaluation is performed. The read error you > have seen happens long before your mymodule language gets involved. > There are a few different ways to fix the example. First, you could > put a #reader directive before the code in question, so your <...> > syntax would be used there. Second, you could use your <...> reader > for the entire Scribble document by changing your #lang line. This > probably requires a new language implementation similar to #lang s-exp > that specifies the reader but allows you to specify any language > bindings, in this case scribble/manual. Third, you could build the > example code at runtime by reading from a string. > > Carl Eastlund > > On Mon, Jun 27, 2011 at 12:17 PM, maurizio.giorda > <[email protected]> wrote: >> Hi everyone, >> >> I have developed a racket module that implements a new >> language. In this module I have readtable re-definition like this: >> >> ------------mymodule.rkt--------------------- >> (module mymodule >> (require racket/base) >> ... >> ; new readtable with extensions to support the reading of a new >> ; data structure: "mset" is a tuple of elements, like < 1, 2, 3 > >> (define mset-readtable >> (make-readtable #f #\< 'terminating-macro parse-open-mset )) >> >> ; change the reader to support my new data structure "mset" >> (current-readtable mset-readtable) >> ... >> ) >> ---------------------------------------------------- >> >> Now I am trying to write documentation for this module with scribble. >> When I use the @interaction in the followign way: >> >> ------------mymodule.scrbl--------------------- >> #lang scribble/manual >> @(require scribble/eval) >> ... >> @interaction[ >> (require mymodule) >> (make-mset #(1 2 3 4)) >> (define t2 < 1, 2, 3, 4 >) >> ] >> ... >> ------------------------------------------------------- >> >> I got this in the produced documetation web page: >> -------------------------------------------------------- >>> (require mymodule) >>> (make-mset #(1 2 3 4)) >> <1, 2, 3, 4> >>> (define t2 < 1,2,3,4 >) >> eval:3:0: define: bad syntax (multiple expressions after >> identifier) in: (define t2 < 1 (unquote 2) (unquote 3) >> (unquote 4) >) >> -------------------------------------------------------- >> >> "make-mset" is my data structure constructor function, and it works >> (you see the printout on the 3rd line), >> but the same constructor should be called by the reader when >> processing the "< 1, 2, 3, 4 >" input. >> So my conclusion is that, for some reasons, the scribble >> reader have not set my readtable extensions. >> Does anyone know what is wrong? >> >> Maurizio Giordano >> >> PS: I also tried using @eval[...] >> with a sandbox evalutator defined by me with >> the "required" module loaded into it... but it gives >> me the same result. > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/users _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
