[racket] make-evaluator and (old style) planet packages

Unfortunately the language I am using does not provide a #%top-interaction,
so REPL like interactions won't work. All it provides is #%module-begin.
What I really want is to evaluate:

#lang planet dyoo/bf
SOME-PROGRAM

where SOME-PROGRAM is determined at runtime. I'm guessing sandboxed
evaluators are not the way to go?

--Spencer


On Thu, Sep 26, 2013 at 10:11 PM, Eli Barzilay <eli at barzilay.org> wrote:

> 40 minutes ago, Spencer florence wrote:
> > How can I use make-evaluator with a planet package as a language?
> >
> > If I were to do (make-evaluator '(planet dyoo/bf:1:8/language))
> >
> > I get the error "#%require: not at top-level or in module body in:
> > (#%require (planet dyoo/bf:1:8/language))"
>
> You should generally prefer `make-module-evaluator', which is similar
> to getting a DrRacket REPL in the context of a language rather than
> `make-evaluator' which is more like running a Racket REPL.  Something
> like
>
>   (make-module-evaluator '(module foo (planet dyoo/bf:1:8/language)))
>
> or
>
>   (make-module-evaluator "#lang planet dyoo/bf:1:8/language")
>
> But I don't remember if it'll do what you want wrt getting strings and
> using a custom reader.
>
> --
>           ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
>                     http://barzilay.org/                   Maze is Life!
>
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