Are you looking for the "reify-syntax-class" form from syntax/parse/experimental/reflect, perhaps?
http://docs.racket-lang.org/syntax/Experimental.html?q=syntax/parse#%28form._%28%28lib._syntax/parse/experimental/reflect..rkt%29._reify-syntax-class%29%29 Carl Eastlund On Mon, Feb 27, 2012 at 3:32 PM, Jon Rafkind <rafk...@cs.utah.edu> wrote: > Ok but it still doesn't work if I take out the (begin-for-syntax). > > (define-syntax-class x) > > Now its defined at phase 0. Anyway if I can get the syntax class I can > access its attributes (ryan said it was ok). > > > On 02/27/2012 01:28 PM, Carl Eastlund wrote: > > You've bound x at phase 1, but you're looking up a phase 0 binding here. > > Bug aside, I had no idea there was anything meaningful for external users > to do with the values underlying syntax classes. What does the value let > you do? > > Carl Eastlund > > On Mon, Feb 27, 2012 at 3:21 PM, Jon Rafkind <rafk...@cs.utah.edu> wrote: > >> I thought syntax-local-value would produce the syntax-class object that a >> given identifier is bound to but it errors out with 'x is not defined as >> syntax'. Any ideas why? There is one part of my original code base where >> this works and another where it doesn't. I cannot seem to replicate the >> part that works in a small test case. >> >> #lang racket >> >> (require (for-syntax syntax/parse)) >> >> (begin-for-syntax >> (define-syntax-class x)) >> >> (define-syntax (bar stx) >> (syntax-case stx () >> [(_ name) (syntax-local-value #'name)])) >> >> (bar x) >> > >
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