[racket] Dynamic Require of Syntax

From: Tim Brown (tim.brown at cityc.co.uk)
Date: Fri Feb 1 10:56:51 EST 2013


Thanks for the pointers.

On 01/02/13 15:44, Ryan Culpepper wrote:
> On 02/01/2013 09:39 AM, Tim Brown wrote:
>> I have an outstanding question about "unit-testing" syntactic extensions
>> from a couple of weeks ago. What do the heavier users of syntaxes use to
>> unit test their macros?
> Either construct a namespace and use 'eval' or wrap the invalid syntax in
> something that catches compile-time exceptions and produces code that
> raises the same exception at run time.
> The error tests for syntax-parse, for example, use the second technique.
> See tests/stxparse/test-error; the macro that turns compile-time exceptions
> into run-time exceptions is 'convert-syntax-errors' in
> tests/stxparse/setup. IIRC, Eli's test macro does this by default, and
> that's probably where I got the idea from.

I'll play around with these when I have a bit more time.


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