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macro-stepper: better internal debugging

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original commit: cb62eeffb6cacf0a8488176804fe722544bb5e73
This commit is contained in:
Ryan Culpepper 2010-07-13 10:53:04 -06:00
parent 2d29222912
commit 44672c7c5d
2 changed files with 27 additions and 23 deletions
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47
collects/macro-debugger/model/reductions-engine.rkt
View File

@ -150,7 +150,7 @@
(current-state-with v (with-syntax1 ([p f]) fs)))]
[type-var type])
(DEBUG
(printf "visibility = ~s\n" (visibility))
(printf "visibility = ~s\n" (if (visibility) 'VISIBLE 'HIDDEN))
(printf "step: s1 = ~s\n" s)
(printf "step: s2 = ~s\n\n" s2))
(let ([ws2
@ -324,7 +324,7 @@
(visibility-off (not previous-pass-hides?)
v
(lambda ()
(print-viable-subterms v)
(when #f (print-viable-subterms v))
(R** f v p s ws clause ... => k))
#t))]
@ -495,26 +495,29 @@
(define (seek-point stx vstx k)
(if (visibility)
(k vstx)
(let ([paths (table-get (subterms-table) stx)])
(cond [(null? paths)
(DEBUG (printf "seek-point: failed on ~.s\n" (stx->datum stx)))
(k vstx)]
[(null? (cdr paths))
(let ([path (car paths)])
(DEBUG (printf "seek => hide: ~.s\n" (stx->datum stx)))
(let ([ctx (lambda (x) (path-replace vstx path x))])
(RScase (parameterize ((visibility #t)
(subterms-table #f)
(marking-table #f))
;; Found stx within vstx
(with-context ctx (k stx)))
(lambda (ws2 stx2 vstx2 s2)
(let ([vstx2 (ctx vstx2)])
(RSunit ws2 stx2 vstx2 s2)))
(lambda (ws exn)
(RSfail ws exn)))))]
[else
(raise (make nonlinearity stx paths))]))))
(begin
(DEBUG (printf "Seek point\n")
(print-viable-subterms stx))
(let ([paths (table-get (subterms-table) stx)])
(cond [(null? paths)
(DEBUG (printf "seek-point: failed on ~.s\n" (stx->datum stx)))
(k vstx)]
[(null? (cdr paths))
(let ([path (car paths)])
(DEBUG (printf "seek => hide: ~.s\n" (stx->datum stx)))
(let ([ctx (lambda (x) (path-replace vstx path x))])
(RScase (parameterize ((visibility #t)
(subterms-table #f)
(marking-table #f))
;; Found stx within vstx
(with-context ctx (k stx)))
(lambda (ws2 stx2 vstx2 s2)
(let ([vstx2 (ctx vstx2)])
(RSunit ws2 stx2 vstx2 s2)))
(lambda (ws exn)
(RSfail ws exn)))))]
[else
(raise (make nonlinearity stx paths))])))))
(provide print-viable-subterms)
(define (print-viable-subterms stx)

3
collects/macro-debugger/model/steps.rkt
View File

@ -112,7 +112,8 @@
rename-case-lambda
rename-let-values
rename-letrec-values
rename-lsv)))
rename-lsv
track-origin)))
(define (rewrite-step? x)
(and (step? x) (not (rename-step? x))))