Re: [Chicken-hackers] set-read-syntax!

[Felix]

From: Jim Ursetto <address@hidden>
Subject: [Chicken-hackers] set-read-syntax!
Date: Tue, 20 Apr 2010 02:05:46 -0500

> I have a module "foo" that uses set-read-syntax!.  Although this is a
> form of syntax, it is not stored in the .import file with macro
> syntax.  Therefore it will not be available at compile time when a
> user does (use foo).
> 
> The Chicken 3 solution is to force users to compile with -X foo if
> they want the read syntax.  That seems excessive for Chicken 4--no
> need to load the entire module at compile time--but I don't know any
> other way to do it.  Except if I make a separate file
> "foo-read-syntax" with just the set-read-syntax! call, which the user
> must still load with `-X foo-read-syntax`.
> 
> Other solutions?
> 

You can use `begin-for-syntax' to place arbitrary code into the import
library. The real problem here is that the currently compiled file is
read *before* resolving imports, so the read syntax is available too
late. I can currently not provide anything better than what you suggest.


cheers,
felix