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adjust drracket's userspace initialization so that it does not set the

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user's pretty-print-columns globally; instead it just records the value
and uses parameterize to install it when printing results
This commit is contained in:
Robby Findler 2011-08-29 08:41:06 -05:00
parent 18e14aed80
commit 8bcbaa11d6
1 changed files with 5 additions and 8 deletions
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13
collects/drracket/private/rep.rkt
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@ -134,10 +134,6 @@ TODO
initialize-console
reset-pretty-print-width
get-prompt
insert-prompt
get-context))
@ -1093,7 +1089,8 @@ TODO
(λ args
(abort-current-continuation
(default-continuation-prompt-tag))))))
(λ x (for-each (λ (x) ((current-print) x)) x)))
(λ x (parameterize ([pretty-print-columns pretty-print-width])
(for-each (λ (x) ((current-print) x)) x))))
(loop)))))))
(default-continuation-prompt-tag)
(λ args (void)))
@ -1790,7 +1787,8 @@ TODO
(set! previous-expr-pos -1)
(add-to-previous-exprs snips)))
(define/public (reset-pretty-print-width)
(define pretty-print-width (pretty-print-columns))
(define/private (reset-pretty-print-width)
(let* ([standard (send (get-style-list) find-named-style "Standard")])
(when standard
(let* ([admin (get-admin)]
@ -1808,8 +1806,7 @@ TODO
[new-columns (max min-columns
(floor (/ width char-width)))])
(send dc set-font old-font)
(pretty-print-columns new-columns))))))
(set! pretty-print-width new-columns))))))
;; get-frame : -> (or/c #f (is-a?/c frame))
(define/private (get-frame)