Alan Manuel Gloria:
> Whoa whoa whoa - there seems to be problems with SUBLIST and SPLICE!
Are you suggesting there could be a... bug?!? Why, that could never happen :-).
It appears that SUBLIST is the problem child here. In "unsweeten", using just
SUBLIST, we have (as expected):
amkg animals $ 1 0
==>
(amkg animals (1 0))
In the draft BNF, we have the unexpected:
amkg animals $ 1 0
==>
((amkg animals) (1 0))
If one pair of parens is good, I guess two is better :-). This was made worse
because my test suite "correct" answers had the wrong results. My bad, sorry.
Clearly the SUBLIST action is busted. I believe this fixes it:
| SUBLIST hspace* i_expr1=i_expr
- {$v=list(monify($head.v), $i_expr1.v);}
+ {$v=append($head.v, list(monify($i_expr1.v)));}
I've posted the grammar with that change.
Okay, let's try again. I took this:
<*
library \\ amkg animals $ 1 0
export
cat
rename $ rover dog
import
only
amkg pets $ 1 0
rover
define cat 'meow
*>
The draft BNF now generates:
(library (amkg animals (1 0)) (export cat (rename (rover dog))) (import (only
(amkg pets (1 0)) rover)) (define cat (quote meow)))
Which can be reformatted as:
(library
(amkg animals (1 0))
(export cat (rename (rover dog)))
(import (only (amkg pets (1 0)) rover))
(define cat (quote meow)))
Is that what you expected?
--- David A. Wheeler
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