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adjusted the way the teaching languages work so that signature

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violations in the REPL are tracked.
This commit is contained in:
Robby Findler 2010-10-07 14:27:56 -05:00
parent 058c05258e
commit fed1e3dc3e
2 changed files with 24 additions and 1 deletions
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17
collects/lang/htdp-langs.rkt
View File

@ -19,6 +19,7 @@
compiler/embed
wxme/wxme
setup/dirs
test-engine/racket-tests
;; this module is shared between the drscheme's namespace (so loaded here)
;; and the user's namespace in the teaching languages
@ -548,6 +549,22 @@
(htdp-lang-settings-teachpacks settings)
(drscheme:rep:current-rep)))
(define/override (front-end/interaction port settings)
(let ([t (super front-end/interaction port settings)]
[done? #f])
(λ ()
(cond
[done? eof]
[else
(let ([ans (t)])
(cond
[(eof-object? ans)
(set! done? #t)
#`(test)]
[else
ans]))]))))
(define keywords #f)
(define/augment (capability-value key)
(case key

8
collects/lang/run-teaching-program.rkt
View File

@ -59,7 +59,13 @@
,@(map (λ (x) `(require ,x)) teachpacks)
,@body-exps
,@(if enable-testing?
(if (null? body-exps) '() `((,#'test)))
(if (null? body-exps)
'()
;; this definition pulls the test~object binding from the user's namespace
;; over to the one that is used in the REPL when module->namepsace
;; grabs a hold of this module to make a namespace for the REPL
`(,#'(define test~object (namespace-variable-value 'test~object))
(,#'test)))
'()))))
rep)))]
[(require)