misc reformat (including things like instantiate->new)
svn: r4010
This commit is contained in:
Eli Barzilay
parent
124b4ebaf3
commit
96846c44ff
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@ -16,22 +16,23 @@
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"private/shared.ss"
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"private/model-settings.ss")
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; hidden invariant: this list should be a sublist of the language-level dialog (i.e., same order):
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;; hidden invariant: this list should be a sublist of the language-level
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;; dialog (i.e., same order):
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(define stepper-works-for
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(list (string-constant beginning-student)
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(string-constant beginning-student/abbrev)
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(string-constant intermediate-student)
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(string-constant intermediate-student/lambda)
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#;(string-constant advanced-student)))
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#;(string-constant advanced-student)
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))
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(provide stepper-tool@)
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(define stepper-tool@
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(unit/sig drscheme:tool-exports^
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(import drscheme:tool^
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(xml-snip% scheme-snip%))
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(import drscheme:tool^ (xml-snip% scheme-snip%))
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; tool magic here:
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;; tool magic here:
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(define (phase1) (void))
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(define (phase2) (void))
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@ -42,7 +43,9 @@
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(define drscheme-eventspace (current-eventspace))
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(define (extract-language-level settings)
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(let* ([language (drscheme:language-configuration:language-settings-language settings)])
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(let* ([language
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(drscheme:language-configuration:language-settings-language
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settings)])
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(car (last-pair (send language get-language-position)))))
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(define (stepper-works-for? language-level)
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@ -50,14 +53,15 @@
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(getenv "PLTSTEPPERUNSAFE")))
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;; the stepper's frame:
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(define stepper-frame%
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(class (drscheme:frame:basics-mixin (frame:frame:standard-menus-mixin frame:frame:basic%))
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(class (drscheme:frame:basics-mixin
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(frame:frame:standard-menus-mixin frame:frame:basic%))
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(init-field drscheme-frame)
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;; PRINTING-PROC
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;; I frankly don't think that printing (i.e., to a printer) works correctly. 2005-07-01, JBC
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;; I frankly don't think that printing (i.e., to a printer) works
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;; correctly. 2005-07-01, JBC
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(public set-printing-proc)
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(define (set-printing-proc proc)
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@ -70,13 +74,17 @@
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;; MENUS
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(define/override (edit-menu:between-find-and-preferences edit-menu) (void))
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(define/override (edit-menu:between-select-all-and-find edit-menu) (void))
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(define/override (file-menu:between-save-as-and-print file-menu) (void))
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(define/override (edit-menu:between-find-and-preferences edit-menu)
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(void))
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(define/override (edit-menu:between-select-all-and-find edit-menu)
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(void))
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(define/override (file-menu:between-save-as-and-print file-menu)
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(void))
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;; CUSTODIANS
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;; The custodian is used to halt the stepped computation when the stepper window
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;; closes. The custodian is captured when the stepped computation starts.
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;; The custodian is used to halt the stepped computation when the
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;; stepper window closes. The custodian is captured when the stepped
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;; computation starts.
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(define custodian #f)
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(define/public (set-custodian! cust)
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@ -89,25 +97,23 @@
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;; WARNING BOXES:
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(define program-changed-warning-str (string-constant stepper-program-has-changed))
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(define window-closed-warning-str (string-constant stepper-program-window-closed))
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(define program-changed-warning-str
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(string-constant stepper-program-has-changed))
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(define window-closed-warning-str
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(string-constant stepper-program-window-closed))
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(define warning-message-visible-already #f)
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(define/private (add-warning-message warning-str)
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(let ([warning-msg (instantiate x:stepper-warning% ()
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(warning-str warning-str)
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(parent (get-area-container)))])
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(let ([warning-msg (new x:stepper-warning%
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[warning-str warning-str]
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[parent (get-area-container)])])
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(send (get-area-container)
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change-children
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(if warning-message-visible-already
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(lambda (l)
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(list (car l)
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warning-msg
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(caddr l)))
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(list (car l) warning-msg (caddr l)))
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(lambda (l)
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(list (car l)
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warning-msg
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(cadr l)))))
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(list (car l) warning-msg (cadr l)))))
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(set! warning-message-visible-already #t)))
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(inherit get-area-container)
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@ -120,13 +126,15 @@
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(define/public (original-program-gone)
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(add-warning-message window-closed-warning-str))
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(super-new [label "Stepper"] [parent #f]
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[width stepper-initial-width]
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[height stepper-initial-height])))
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(super-instantiate ("Stepper" #f stepper-initial-width stepper-initial-height))))
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;; view-controller-go: called when the stepper starts; starts the stepper's view&controller
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;; view-controller-go: called when the stepper starts; starts the
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;; stepper's view&controller
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;; drscheme-frame : the drscheme frame which is starting the stepper
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;; program-expander : see "model.ss" for the contract on a program-expander
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;; program-expander : see "model.ss" for the contract on a
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;; program-expander
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;; -> returns the new frame%
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(define (view-controller-go drscheme-frame program-expander)
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@ -135,37 +143,38 @@
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(define language-settings
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(send (send drscheme-frame get-definitions-text) get-next-settings))
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(define language
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(drscheme:language-configuration:language-settings-language language-settings))
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(drscheme:language-configuration:language-settings-language
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language-settings))
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(define language-level-name
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(car (last-pair (send language get-language-position))))
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;; VALUE CONVERSION CODE:
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(define simple-settings
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(drscheme:language-configuration:language-settings-settings language-settings))
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(drscheme:language-configuration:language-settings-settings
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language-settings))
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;; render-to-string : TST -> string
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(define (render-to-string val)
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(let ([string-port (open-output-string)])
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(send language
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render-value
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val
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simple-settings
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string-port)
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(send language render-value val simple-settings string-port)
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(get-output-string string-port)))
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;; WE REALLY WANT TO GET RID OF THIS STUFF (2005-07-01, JBC)
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;; make-print-convert-hook: simple-settings -> (TST (TST -> TST) (TST -> TST) -> TST)
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;; make-print-convert-hook:
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;; simple-settings -> (TST (TST -> TST) (TST -> TST) -> TST)
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;; this code copied from various locations in language.ss and rep.ss
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(define (make-print-convert-hook simple-settings)
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(lambda (exp basic-convert sub-convert)
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(cond
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[(is-a? exp snip%)
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(send exp copy)]
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#;[((drscheme:rep:use-number-snip) exp)
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(let ([number-snip-type (drscheme:language:simple-settings-fraction-style simple-settings)])
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#;
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[((drscheme:rep:use-number-snip) exp)
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(let ([number-snip-type
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(drscheme:language:simple-settings-fraction-style
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simple-settings)])
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(cond
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[(eq? number-snip-type 'repeating-decimal)
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(drscheme:number-snip:make-repeating-decimal-snip exp #f)]
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@ -186,62 +195,62 @@
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(cond
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[(string=? language-level-name "ACL2 Beginner (beta 8)")
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(simple-module-based-language-convert-value val simple-settings)]
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[else (parameterize ([current-print-convert-hook (make-print-convert-hook simple-settings)])
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[else (parameterize ([current-print-convert-hook
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(make-print-convert-hook simple-settings)])
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(set-print-settings
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language
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simple-settings
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(lambda ()
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(simple-module-based-language-convert-value val simple-settings))))]))
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(simple-module-based-language-convert-value
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val simple-settings))))]))
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(define (>>> x)
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(fprintf (current-error-port) ">>> ~v\n" x)
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x)
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; channel for incoming views
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;; channel for incoming views
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(define view-channel (make-async-channel))
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; the semaphore associated with the view at the end of the view-history
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; note that because these are fresh semaphores for every step, posting to a semaphore
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; multiple times is no problem.
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;; the semaphore associated with the view at the end of the
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;; view-history note that because these are fresh semaphores for every
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;; step, posting to a semaphore multiple times is no problem.
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(define release-for-next-step #f)
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; the list of available views
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;; the list of available views
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(define view-history null)
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; the view in the stepper window
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;; the view in the stepper window
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(define view 0)
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; whether the stepper is waiting for a new view to become available
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; (initially 'waiting-for-any-step)
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; possible values: #f, 'waiting-for-any-step, 'waiting-for-application
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;; whether the stepper is waiting for a new view to become available
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;; (initially 'waiting-for-any-step)
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;; possible values: #f, 'waiting-for-any-step, 'waiting-for-application
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(define stepper-is-waiting? 'waiting-for-any-step)
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; hand-off-and-block : (-> text%? boolean? void?)
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; hand-off-and-block generates a new semaphore, hands off a thunk to drscheme's eventspace,
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; and blocks on the new semaphore. The thunk adds the text% to the waiting queue, and checks
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; to see if the stepper is waiting for a new step. If so, takes that new text% out of the
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; queue and puts it on the list of available ones. If the stepper is waiting for a new step,
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; it checks to see whether this is of the kind that the stepper wants. If so, display it.
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; otherwise, release the stepped program to continue execution.
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;; hand-off-and-block : (-> text%? boolean? void?)
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;; hand-off-and-block generates a new semaphore, hands off a thunk to
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;; drscheme's eventspace, and blocks on the new semaphore. The thunk
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;; adds the text% to the waiting queue, and checks to see if the
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;; stepper is waiting for a new step. If so, takes that new text% out
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;; of the queue and puts it on the list of available ones. If the
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;; stepper is waiting for a new step, it checks to see whether this is
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;; of the kind that the stepper wants. If so, display it. otherwise,
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;; release the stepped program to continue execution.
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(define (hand-off-and-block step-text step-kind)
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(let ([new-semaphore (make-semaphore)])
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(run-on-drscheme-side
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(lambda ()
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(async-channel-put view-channel (list step-text new-semaphore step-kind))
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(async-channel-put view-channel
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(list step-text new-semaphore step-kind))
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(when stepper-is-waiting?
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(let ([try-get (async-channel-try-get view-channel)])
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(unless try-get
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(error 'check-for-stepper-waiting "queue is empty, even though a step was just added."))
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(error
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'check-for-stepper-waiting
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"queue is empty, even though a step was just added"))
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(add-view-triple try-get)
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(if (right-kind-of-step? (caddr try-get))
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; got the desired step; show the user:
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(begin
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(set! stepper-is-waiting? #f)
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;; got the desired step; show the user:
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(begin (set! stepper-is-waiting? #f)
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(update-view/existing (- (length view-history) 1)))
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; nope, keep running:
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(begin
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(en/dis-able-buttons)
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;; nope, keep running:
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(begin (en/dis-able-buttons)
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(semaphore-post new-semaphore)))))))
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(semaphore-wait new-semaphore)))
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@ -252,12 +261,13 @@
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(parameterize ([current-eventspace drscheme-eventspace])
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(queue-callback thunk)))
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; right-kind-of-step? : (boolean? . -> . boolean?)
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; is this step the kind of step that the gui is waiting for?
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;; right-kind-of-step? : (boolean? . -> . boolean?)
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;; is this step the kind of step that the gui is waiting for?
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(define (right-kind-of-step? step-kind)
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(case stepper-is-waiting?
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[(waiting-for-any-step) #t]
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[(waiting-for-application) (or (eq? step-kind 'user-application)
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[(waiting-for-application)
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(or (eq? step-kind 'user-application)
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(eq? step-kind 'finished-stepping))]
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[(#f) (error 'right-kind-of-step "this code should be unreachable with stepper-is-waiting? set to #f")]
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[else (error 'right-kind-of-step "unknown value for stepper-is-waiting?: ~a" stepper-is-waiting?)]))
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@ -265,9 +275,12 @@
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;; add-view-triple : set the release-semaphore to be the new one, add the view to the list.
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(define (add-view-triple view-triple)
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(set! release-for-next-step (cadr view-triple))
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(set! view-history (append view-history (list (list (car view-triple) (caddr view-triple))))))
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(set! view-history (append view-history
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(list (list (car view-triple)
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(caddr view-triple))))))
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;; find-later-application-step : search through the history, starting at 'n', for an application step.
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;; find-later-application-step : search through the history, starting
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;; at 'n', for an application step.
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(define (find-later-application-step n)
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(let ([history-length (length view-history)])
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(let loop ([step (+ n 1)])
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@ -281,7 +294,7 @@
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[(user-application finished stepping) #t]
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[else #f]))
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; build gui object:
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;; build gui object:
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;; home : the action of the 'home' button
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(define (home)
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@ -300,24 +313,26 @@
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(error 'try-to-get-view "try-to-get-view should not be reachable when already waiting for new step"))
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(let ([try-get (async-channel-try-get view-channel)])
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(if try-get
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(begin
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(add-view-triple try-get)
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(begin (add-view-triple try-get)
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(update-view/existing new-view))
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(begin
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(set! stepper-is-waiting? 'waiting-for-any-step)
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(begin (set! stepper-is-waiting? 'waiting-for-any-step)
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(en/dis-able-buttons))))))))
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;; next-application : the action of the 'next-application' button
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;; NB: while this function looks a lot like (next), the abstractions of the two that I came up with
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;; were hard to read. So I left them separate -- JBC
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;; NB: while this function looks a lot like (next), the abstractions of
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;; the two that I came up with were hard to read. So I left them
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;; separate -- JBC
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(define (next-application)
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(let ([next-application-step (find-later-application-step view)])
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(if next-application-step
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(update-view/existing next-application-step)
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(begin
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(semaphore-post release-for-next-step) ; each step has its own semaphore, so releasing one twice is no problem.
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;; each step has its own semaphore, so releasing one twice is
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;; no problem.
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(semaphore-post release-for-next-step)
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(when stepper-is-waiting?
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(error 'try-to-get-view "try-to-get-view should not be reachable when already waiting for new step"))
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(error 'try-to-get-view
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"try-to-get-view should not be reachable when already waiting for new step"))
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(let ([try-get (async-channel-try-get view-channel)])
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(if try-get
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(begin
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@ -336,39 +351,52 @@
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(when stepper-is-waiting?
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(set! stepper-is-waiting? #f))
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(when (= view 0)
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(error 'previous-application "previous-step button should not be enabled in view zero."))
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(error 'previous-application
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"previous-step button should not be enabled in view zero."))
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(update-view/existing (- view 1)))
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;; previous-application : the action of the 'previous-application' button
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;; previous-application : the action of the 'previous-application'
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;; button
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(define (previous-application)
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(when stepper-is-waiting?
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(set! stepper-is-waiting? #f))
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(when (= view 0)
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(error 'previous-application "previous-application button should not be enabled in view zero."))
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(error 'previous-application
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"previous-application button should not be enabled in view zero."))
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(let loop ([new-view (- view 1)])
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(cond [(= new-view 0)
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(update-view/existing new-view)]
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[(application-step? (list-ref view-history new-view))
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(update-view/existing new-view)]
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[else
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(loop (- new-view 1))])))
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[else (loop (sub1 new-view))])))
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;; GUI ELEMENTS:
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(define s-frame (make-object stepper-frame% drscheme-frame))
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(define button-panel (make-object horizontal-panel% (send s-frame get-area-container)))
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(define home-button (make-object button% (string-constant stepper-home) button-panel
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(define s-frame
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(make-object stepper-frame% drscheme-frame))
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(define button-panel
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(make-object horizontal-panel% (send s-frame get-area-container)))
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(define home-button
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(make-object button% (string-constant stepper-home) button-panel
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(lambda (_1 _2) (home))))
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(define previous-application-button (make-object button% (string-constant stepper-previous-application) button-panel
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(define previous-application-button
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(make-object button% (string-constant stepper-previous-application)
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button-panel
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(lambda (dc-1 dc-2) (previous-application))))
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(define previous-button (make-object button% (string-constant stepper-previous) button-panel
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(define previous-button
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(make-object button% (string-constant stepper-previous) button-panel
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(lambda (_1 _2) (previous))))
|
||||
(define next-button (make-object button% (string-constant stepper-next) button-panel
|
||||
(define next-button
|
||||
(make-object button% (string-constant stepper-next) button-panel
|
||||
(lambda (_1 _2) (next))))
|
||||
(define next-application-button (make-object button% (string-constant stepper-next-application) button-panel
|
||||
(define next-application-button
|
||||
(make-object button% (string-constant stepper-next-application)
|
||||
button-panel
|
||||
(lambda (dc-1 dc-2) (next-application))))
|
||||
(define canvas (make-object x:stepper-canvas% (send s-frame get-area-container)))
|
||||
(define canvas
|
||||
(make-object x:stepper-canvas% (send s-frame get-area-container)))
|
||||
|
||||
;; update-view/existing : set an existing step as the one shown in the frame
|
||||
;; update-view/existing : set an existing step as the one shown in the
|
||||
;; frame
|
||||
(define (update-view/existing new-view)
|
||||
(set! view new-view)
|
||||
(let ([e (car (list-ref view-history view))])
|
||||
|
|
@ -385,26 +413,31 @@
|
|||
(send previous-button enable can-go-back?)
|
||||
(send previous-application-button enable can-go-back?)
|
||||
(send home-button enable can-go-back?)
|
||||
(send next-button enable (not (and (>= view (- (length view-history) 1)) stepper-is-waiting?)))
|
||||
(send next-application-button enable (or (find-later-application-step view) (not stepper-is-waiting?)))))
|
||||
(send next-button
|
||||
enable (not (and (>= view (- (length view-history) 1))
|
||||
stepper-is-waiting?)))
|
||||
(send next-application-button
|
||||
enable (or (find-later-application-step view)
|
||||
(not stepper-is-waiting?)))))
|
||||
|
||||
(define (print-current-view item evt)
|
||||
(send (send canvas get-editor) print))
|
||||
|
||||
; receive-result takes a result from the model and renders it on-screen. Runs on the user thread.
|
||||
; : (step-result -> void)
|
||||
;; receive-result takes a result from the model and renders it
|
||||
;; on-screen. Runs on the user thread.
|
||||
;; : (step-result -> void)
|
||||
(define (receive-result result)
|
||||
(let ([step-text
|
||||
(cond [(before-after-result? result)
|
||||
(instantiate x:stepper-text% ()
|
||||
(new x:stepper-text%
|
||||
[left-side (before-after-result-pre-exps result)]
|
||||
[right-side (before-after-result-post-exps result)])]
|
||||
[(before-error-result? result)
|
||||
(instantiate x:stepper-text% ()
|
||||
(new x:stepper-text%
|
||||
[left-side (before-error-result-pre-exps result)]
|
||||
[right-side (before-error-result-err-msg result)])]
|
||||
[(error-result? result)
|
||||
(instantiate x:stepper-text% ()
|
||||
(new x:stepper-text%
|
||||
[left-side null]
|
||||
[right-side (error-result-err-msg result)])]
|
||||
[(finished-stepping? result)
|
||||
|
|
@ -415,9 +448,10 @@
|
|||
'finished-stepping))])
|
||||
(hand-off-and-block step-text step-kind)))
|
||||
|
||||
; need to capture the custodian as the thread starts up:
|
||||
;; need to capture the custodian as the thread starts up:
|
||||
(define (program-expander-prime init iter)
|
||||
(program-expander (lambda args
|
||||
(program-expander
|
||||
(lambda args
|
||||
(send s-frame set-custodian! (current-custodian))
|
||||
(apply init args))
|
||||
iter))
|
||||
|
|
@ -431,8 +465,10 @@
|
|||
(send (send s-frame edit-menu:get-undo-item) enable #f)
|
||||
(send (send s-frame edit-menu:get-redo-item) enable #f)
|
||||
|
||||
; START THE MODEL
|
||||
(model:go program-expander-prime receive-result (get-render-settings render-to-string render-to-sexp #t)
|
||||
;; START THE MODEL
|
||||
(model:go
|
||||
program-expander-prime receive-result
|
||||
(get-render-settings render-to-string render-to-sexp #t)
|
||||
(not (member language-level-name
|
||||
(list (string-constant intermediate-student/lambda)
|
||||
(string-constant advanced-student))))
|
||||
|
|
@ -442,13 +478,15 @@
|
|||
|
||||
s-frame)
|
||||
|
||||
;; stepper-unit-frame<%> : the interface that the extended drscheme frame fulfils
|
||||
;; stepper-unit-frame<%> : the interface that the extended drscheme frame
|
||||
;; fulfils
|
||||
(define stepper-unit-frame<%>
|
||||
(interface ()
|
||||
get-stepper-frame
|
||||
on-stepper-close))
|
||||
|
||||
;; stepper-unit-frame-mixin : the mixin that is applied to the drscheme frame to interact with a possible stepper window
|
||||
;; stepper-unit-frame-mixin : the mixin that is applied to the drscheme
|
||||
;; frame to interact with a possible stepper window
|
||||
(define (stepper-unit-frame-mixin super%)
|
||||
(class* super% (stepper-unit-frame<%>)
|
||||
|
||||
|
|
@ -459,19 +497,20 @@
|
|||
(set! stepper-frame #f))
|
||||
(define/public (get-stepper-frame) stepper-frame)
|
||||
|
||||
(super-instantiate ())
|
||||
(super-new)
|
||||
|
||||
;; program-expander : produces expanded expressions from the definitions window one at a time and calls 'iter' on each one
|
||||
;; program-expander : produces expanded expressions from the
|
||||
;; definitions window one at a time and calls 'iter' on each one
|
||||
(define (program-expander init iter)
|
||||
(let* ([lang-settings
|
||||
(send (get-definitions-text) get-next-settings)]
|
||||
[lang (drscheme:language-configuration:language-settings-language lang-settings)]
|
||||
[settings (drscheme:language-configuration:language-settings-settings lang-settings)])
|
||||
(drscheme:eval:expand-program
|
||||
(drscheme:language:make-text/pos (get-definitions-text)
|
||||
(drscheme:language:make-text/pos
|
||||
(get-definitions-text)
|
||||
0
|
||||
(send (get-definitions-text)
|
||||
last-position))
|
||||
(send (get-definitions-text) last-position))
|
||||
lang-settings
|
||||
#f
|
||||
(lambda ()
|
||||
|
|
@ -483,7 +522,8 @@
|
|||
(let ([str (get-output-string sp)])
|
||||
(if ((string-length str) . <= . len)
|
||||
str
|
||||
(string-append (substring str 0 (max 0 (- len 3))) "...")))))))
|
||||
(string-append (substring str 0 (max 0 (- len 3)))
|
||||
"...")))))))
|
||||
void ; kill
|
||||
iter)))
|
||||
|
||||
|
|
@ -497,17 +537,19 @@
|
|||
(lambda (button evt)
|
||||
(if stepper-frame
|
||||
(send stepper-frame show #t)
|
||||
(let ([language-level (extract-language-level
|
||||
(let ([language-level
|
||||
(extract-language-level
|
||||
(send (get-definitions-text) get-next-settings))])
|
||||
(if (stepper-works-for? language-level)
|
||||
(set! stepper-frame (view-controller-go this program-expander))
|
||||
(message-box (string-constant stepper-name)
|
||||
(set! stepper-frame
|
||||
(view-controller-go this program-expander))
|
||||
(message-box
|
||||
(string-constant stepper-name)
|
||||
(format (string-constant stepper-language-level-message)
|
||||
language-level
|
||||
(car stepper-works-for)
|
||||
(car (reverse stepper-works-for))))))))))
|
||||
|
||||
|
||||
(define/augment (enable-evaluation)
|
||||
(send stepper-button enable #t)
|
||||
(inner (void) enable-evaluation))
|
||||
|
|
@ -526,30 +568,33 @@
|
|||
(inner (void) on-tab-change old new))
|
||||
|
||||
(define/public (check-current-language-for-stepper)
|
||||
(if (stepper-works-for? (extract-language-level
|
||||
(if (stepper-works-for?
|
||||
(extract-language-level
|
||||
(send (get-definitions-text) get-next-settings)))
|
||||
(unless (send stepper-button is-shown?)
|
||||
(send (send stepper-button get-parent) add-child stepper-button))
|
||||
(send (send stepper-button get-parent)
|
||||
add-child stepper-button))
|
||||
(when (send stepper-button is-shown?)
|
||||
(send (send stepper-button get-parent) delete-child stepper-button))))
|
||||
(send (send stepper-button get-parent)
|
||||
delete-child stepper-button))))
|
||||
|
||||
; add the stepper button to the button panel:
|
||||
;; add the stepper button to the button panel:
|
||||
(let ([p (send stepper-button get-parent)])
|
||||
(send (get-button-panel) change-children
|
||||
(lx (cons p (remq p _)))))
|
||||
(send (get-button-panel) change-children (lx (cons p (remq p _)))))
|
||||
|
||||
; hide stepper button if it's not supported for the initial language:
|
||||
;; hide stepper button if it's not supported for the initial language:
|
||||
(check-current-language-for-stepper)))
|
||||
|
||||
;; stepper-definitions-text-mixin : a mixin for the definitions text that alerts thet stepper when the definitions
|
||||
;; text is altered or destroyed
|
||||
;; stepper-definitions-text-mixin : a mixin for the definitions text that
|
||||
;; alerts thet stepper when the definitions text is altered or destroyed
|
||||
(define (stepper-definitions-text-mixin %)
|
||||
(class %
|
||||
|
||||
(inherit get-top-level-window)
|
||||
(define/private (notify-stepper-frame-of-change)
|
||||
(let ([win (get-top-level-window)])
|
||||
(when (is-a? win stepper-unit-frame<%>) ;; should only be #f when win is #f.
|
||||
;; should only be #f when win is #f
|
||||
(when (is-a? win stepper-unit-frame<%>)
|
||||
(let ([stepper-window (send win get-stepper-frame)])
|
||||
(when stepper-window
|
||||
(send stepper-window original-program-changed))))))
|
||||
|
|
@ -566,7 +611,7 @@
|
|||
(send (get-top-level-window) check-current-language-for-stepper)
|
||||
(inner (void) after-set-next-settings s))
|
||||
|
||||
(super-instantiate ())))
|
||||
(super-new)))
|
||||
|
||||
;; COPIED FROM drscheme/private/language.ss
|
||||
;; simple-module-based-language-convert-value : TST settings -> TST
|
||||
|
|
@ -587,14 +632,20 @@
|
|||
[(write) value]
|
||||
[(current-print) value]
|
||||
[(constructor)
|
||||
(parameterize ([constructor-style-printing #t]
|
||||
[show-sharing (drscheme:language:simple-settings-show-sharing settings)]
|
||||
[current-print-convert-hook (leave-snips-alone-hook (current-print-convert-hook))])
|
||||
(parameterize
|
||||
([constructor-style-printing #t]
|
||||
[show-sharing
|
||||
(drscheme:language:simple-settings-show-sharing settings)]
|
||||
[current-print-convert-hook
|
||||
(leave-snips-alone-hook (current-print-convert-hook))])
|
||||
(stepper-print-convert value))]
|
||||
[(quasiquote)
|
||||
(parameterize ([constructor-style-printing #f]
|
||||
[show-sharing (drscheme:language:simple-settings-show-sharing settings)]
|
||||
[current-print-convert-hook (leave-snips-alone-hook (current-print-convert-hook))])
|
||||
(parameterize
|
||||
([constructor-style-printing #f]
|
||||
[show-sharing
|
||||
(drscheme:language:simple-settings-show-sharing settings)]
|
||||
[current-print-convert-hook
|
||||
(leave-snips-alone-hook (current-print-convert-hook))])
|
||||
(stepper-print-convert value))]
|
||||
[else (error "Internal stepper error: time to resync with simple-module-based-language-convert-value")]))
|
||||
|
||||
|
|
@ -606,6 +657,8 @@
|
|||
;; (error 'stepper-tool "language object does not contain set-printing-parameters method")
|
||||
(thunk)))
|
||||
|
||||
;; apply the mixins dynamically to the drscheme unit frame and definitions text:
|
||||
;; apply the mixins dynamically to the drscheme unit frame and
|
||||
;; definitions text:
|
||||
(drscheme:get/extend:extend-unit-frame stepper-unit-frame-mixin)
|
||||
(drscheme:get/extend:extend-definitions-text stepper-definitions-text-mixin))))
|
||||
(drscheme:get/extend:extend-definitions-text
|
||||
stepper-definitions-text-mixin))))
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user