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Added defensive checks for rep; no rep available when exception occurs at Check Syntax.

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svn: r10561
This commit is contained in:
Danny Yoo 2008-07-02 18:15:46 +00:00
parent af6f4f561b
commit e4c0c9b3b9
1 changed files with 4 additions and 2 deletions
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6
collects/drscheme/private/module-language.ss
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@ -250,11 +250,13 @@
;; adding `drscheme:init^' to the imports to get
;; `drscheme:init:system-eventspace', or make `queue-system-callback/sync'
;; into a public method (accessible here).
(send rep set-show-no-user-evaluation-message? #f)
(when rep
(send rep set-show-no-user-evaluation-message? #f))
(when prefix
(fprintf (current-error-port) "Module Language: ~a\n" prefix))
((error-display-handler) (exn-message exn) exn)
(send rep insert-warning "\n[Interactions disabled]")
(when rep
(send rep insert-warning "\n[Interactions disabled]"))
(custodian-shutdown-all (send rep get-user-custodian)))
(define (raise-hopeless-syntax-error . error-args)
(with-handlers ([exn? raise-hopeless-exception])