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Show correctly marked results in stepper.

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This commit is contained in:
Sam Tobin-Hochstadt 2006-09-11 00:57:35 -04:00
parent 34aa12ddac
commit 7646ee635d
1 changed files with 7 additions and 5 deletions
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12
collects/mzlib/private/match/simplify-patterns.ss
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@ -29,7 +29,7 @@
(define current-expand-observe
(dynamic-require '#%expobs 'current-expand-observe))
(define (observe-step pre post)
(define (observe-step pre mpre mpost post)
(define (call-obs ev . args)
(let ([obs (current-expand-observe)])
(if obs
@ -53,8 +53,8 @@
(call-obs 'local-pre pre)
(call-obs 'visit pre)
(call-obs 'macro-enter pre)
(call-obs 'macro-pre pre)
(call-obs 'macro-post post)
(call-obs 'macro-pre mpre)
(call-obs 'macro-post mpost)
(call-obs 'macro-exit post)
(call-obs 'visit post)
(call-obs 'enter-prim post)
@ -101,9 +101,11 @@
"This expander only works with the match.ss library."))
(let* ([introducer (make-syntax-introducer)]
[certifier (match-expander-certifier expander)]
[result (introducer (transformer (introducer stx)))]
[mstx (introducer stx)]
[mresult (transformer mstx)]
[result (introducer mresult)]
[cert* (lambda (id) (certifier (cert id) #f introducer))])
(observe-step stx result)
(observe-step stx mstx mresult result)
(simplify result cert*)))]
;; label variable patterns