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improved preferences marshalling, also started the job of making the 'your program died' dialog say whether or not it ran out of memory.

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svn: r6051
This commit is contained in:
Robby Findler 2007-04-26 16:33:03 +00:00
parent fa0e23df93
commit ade829139a
1 changed files with 42 additions and 29 deletions
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35
collects/drscheme/private/rep.ss
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@ -482,13 +482,17 @@ TODO
(let ([marshall (let ([marshall
(λ (lls) (λ (lls)
(map (λ (ls) (map (λ (ls)
(list
(apply
string-append
(reverse
(map (λ (s) (map (λ (s)
(cond (cond
[(is-a? s string-snip%) [(is-a? s string-snip%)
(send s get-text 0 (send s get-count))] (send s get-text 0 (send s get-count))]
[(string? s) s] [(string? s) s]
[else "'non-string-snip"])) [else "'non-string-snip"]))
ls)) ls)))))
lls))] lls))]
[unmarshall (λ (x) x)]) [unmarshall (λ (x) x)])
(preferences:set-un/marshall (preferences:set-un/marshall
@ -531,7 +535,8 @@ TODO
(make-object image-snip% bitmap) (make-object image-snip% bitmap)
(make-object string-snip% "[err]")))) (make-object string-snip% "[err]"))))
(define (no-user-evaluation-message frame exit-code) (define (no-user-evaluation-message frame exit-code memory-killed?)
; (printf "memory-killed? ~s\n" memory-killed?)
(message-box (message-box
(string-constant evaluation-terminated) (string-constant evaluation-terminated)
(if exit-code (if exit-code
@ -895,6 +900,8 @@ TODO
(field (user-language-settings #f) (field (user-language-settings #f)
(user-teachpack-cache (preferences:get 'drscheme:teachpacks)) (user-teachpack-cache (preferences:get 'drscheme:teachpacks))
(user-custodian-parent #f)
(memory-killed-thread #f)
(user-custodian #f) (user-custodian #f)
(custodian-limit (and (with-handlers ([exn:fail:unsupported? (λ (x) #f)]) (custodian-limit (and (with-handlers ([exn:fail:unsupported? (λ (x) #f)])
(let ([c (make-custodian)]) (let ([c (make-custodian)])
@ -948,7 +955,8 @@ TODO
(let ([canvas (get-active-canvas)]) (let ([canvas (get-active-canvas)])
(and canvas (and canvas
(send canvas get-top-level-window))) (send canvas get-top-level-window)))
user-exit-code)))) user-exit-code
(not (thread-running? memory-killed-thread))))))
(field (need-interaction-cleanup? #f)) (field (need-interaction-cleanup? #f))
(define/private (cleanup-interaction) ; =Kernel=, =Handler= (define/private (cleanup-interaction) ; =Kernel=, =Handler=
@ -1144,9 +1152,16 @@ TODO
(define/private (init-evaluation-thread) ; =Kernel= (define/private (init-evaluation-thread) ; =Kernel=
(set! user-language-settings (send definitions-text get-next-settings)) (set! user-language-settings (send definitions-text get-next-settings))
(set! user-custodian (make-custodian)) (set! user-custodian-parent (make-custodian))
(set! user-custodian (parameterize ([current-custodian user-custodian-parent])
(make-custodian)))
(set! memory-killed-thread
(parameterize ([current-custodian user-custodian-parent])
(thread (λ () (semaphore-wait (make-semaphore 0))))))
(when custodian-limit (when custodian-limit
(custodian-limit-memory user-custodian custodian-limit user-custodian)) (custodian-limit-memory user-custodian-parent
custodian-limit
user-custodian-parent))
(let ([user-eventspace (parameterize ([current-custodian user-custodian]) (let ([user-eventspace (parameterize ([current-custodian user-custodian])
(make-eventspace))]) (make-eventspace))])
(set! user-eventspace-box (make-weak-box user-eventspace)) (set! user-eventspace-box (make-weak-box user-eventspace))
@ -1549,24 +1564,22 @@ TODO
(set-position (last-position)) (set-position (last-position))
(end-edit-sequence)))) (end-edit-sequence))))
(define/public copy-next-previous-expr (define/public (copy-next-previous-expr)
(λ ()
(let ([previous-exprs (get-previous-exprs)]) (let ([previous-exprs (get-previous-exprs)])
(unless (null? previous-exprs) (unless (null? previous-exprs)
(set! previous-expr-pos (set! previous-expr-pos
(if (< (add1 previous-expr-pos) (length previous-exprs)) (if (< (add1 previous-expr-pos) (length previous-exprs))
(add1 previous-expr-pos) (add1 previous-expr-pos)
0)) 0))
(copy-previous-expr))))) (copy-previous-expr))))
(define/public copy-prev-previous-expr (define/public (copy-prev-previous-expr)
(λ ()
(let ([previous-exprs (get-previous-exprs)]) (let ([previous-exprs (get-previous-exprs)])
(unless (null? previous-exprs) (unless (null? previous-exprs)
(set! previous-expr-pos (set! previous-expr-pos
(if (previous-expr-pos . <= . 0) (if (previous-expr-pos . <= . 0)
(sub1 (length previous-exprs)) (sub1 (length previous-exprs))
(sub1 previous-expr-pos))) (sub1 previous-expr-pos)))
(copy-previous-expr))))) (copy-previous-expr))))
;; private fields ;; private fields
(define global-previous-exprs (preferences:get 'drscheme:console-previous-exprs)) (define global-previous-exprs (preferences:get 'drscheme:console-previous-exprs))