racket/collects/lang/htdp-langs.rkt
Robby Findler cce6f28d4d remove 'create executable' functionality from drracket for all
langauges except The Racket Language and the HtDP and DMdA languages
2013-01-05 12:19:26 -06:00

1330 lines
64 KiB
Racket

#lang scheme
(require string-constants
framework
(prefix-in et: errortrace/stacktrace)
mzlib/pretty
(prefix-in pc: mzlib/pconvert)
mzlib/file
mzlib/unit
mzlib/class
mzlib/list
mzlib/struct
mzlib/compile
mzlib/struct
drscheme/tool
mred
framework/private/bday
syntax/moddep
mrlib/cache-image-snip
(prefix-in ic: mrlib/image-core)
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
"private/set-result.rkt"
"private/rewrite-error-message.rkt"
"private/continuation-mark-key.rkt"
"private/create-htdp-executable.rkt"
"stepper-language-interface.rkt"
"debugger-language-interface.rkt"
"run-teaching-program.rkt"
"htdp-langs-save-file-prefix.rkt"
(only-in test-engine/scheme-gui make-formatter)
(only-in test-engine/racket-tests
scheme-test-data error-handler test-format test-execute display-results
build-test-engine)
(lib "test-engine/test-display.scm")
deinprogramm/signature/signature
)
(provide tool@)
(define o (current-output-port))
(define (oprintf . args) (apply fprintf o args))
(define user-installed-teachpacks-collection "installed-teachpacks")
(define teachpack-installation-dir (build-path (find-user-collects-dir) user-installed-teachpacks-collection))
(define tool@
(unit
(import drscheme:tool^)
(export drscheme:tool-exports^)
(define drs-eventspace (current-eventspace))
;; tracing? : boolean
;; teachpacks : (listof require-spec)
(define-struct (htdp-lang-settings drscheme:language:simple-settings) (tracing? teachpacks))
(define htdp-lang-settings->vector (make-->vector htdp-lang-settings))
(define image-string "<image>")
(define htdp-language<%>
(interface ()
get-module
get-language-position
get-sharing-printing
get-abbreviate-cons-as-list
get-allow-sharing?
get-use-function-output-syntax?
get-accept-quasiquote?
get-read-accept-dot))
;; module-based-language-extension : (implements drscheme:language:module-based-language<%>)
;; -> (implements drscheme:language:module-based-language<%>)
;; changes the default settings and sets a few more paramters during `on-execute'
(define (module-based-language-extension super%)
(class* super% ()
(inherit get-sharing-printing get-abbreviate-cons-as-list)
(define/override (default-settings)
(make-htdp-lang-settings
#t
'constructor
'repeating-decimal
(get-sharing-printing)
#t
'none
#f
(preferences:get 'drracket:htdp:last-set-teachpacks)))
(define/override (default-settings? s)
(and (super default-settings? s)
(not (htdp-lang-settings-tracing? s))
(null? (htdp-lang-settings-teachpacks s))))
(define/override (marshall-settings x)
(list (super marshall-settings x)
(htdp-lang-settings-tracing? x)
(htdp-lang-settings-teachpacks x)))
(define/override (unmarshall-settings x)
(if (and (list? x)
(= (length x) 3)
(boolean? (list-ref x 1))
(list-of-require-specs? (list-ref x 2)))
(let ([drs-settings (super unmarshall-settings (first x))])
(make-htdp-lang-settings
(drscheme:language:simple-settings-case-sensitive drs-settings)
(drscheme:language:simple-settings-printing-style drs-settings)
(drscheme:language:simple-settings-fraction-style drs-settings)
(drscheme:language:simple-settings-show-sharing drs-settings)
(drscheme:language:simple-settings-insert-newlines drs-settings)
(drscheme:language:simple-settings-annotations drs-settings)
(cadr x)
(caddr x)))
(default-settings)))
(define/private (list-of-require-specs? l)
(and (list? l)
(andmap (λ (x)
(and (list? x)
(andmap (λ (x) (or (string? x) (symbol? x))) x)))
l)))
(inherit get-allow-sharing? get-use-function-output-syntax?
get-accept-quasiquote? get-read-accept-dot)
(define/override (config-panel parent)
(sharing/not-config-panel (get-allow-sharing?) (get-accept-quasiquote?) parent))
(define/override (on-execute settings run-in-user-thread)
(let ([drs-namespace (current-namespace)]
[set-result-module-name
((current-module-name-resolver) '(lib "lang/private/set-result.ss") #f #f)]
[scheme-test-module-name
((current-module-name-resolver) '(lib "test-engine/racket-tests.ss") #f #f)]
[scheme-signature-module-name
((current-module-name-resolver) '(lib "deinprogramm/signature/signature-english.rkt") #f #f)]
[tests-on? (preferences:get 'test-engine:enable?)])
(run-in-user-thread
(lambda ()
(when (getenv "PLTDRHTDPNOCOMPILED") (use-compiled-file-paths '()))
(read-accept-quasiquote (get-accept-quasiquote?))
(namespace-attach-module drs-namespace ''drscheme-secrets)
(namespace-attach-module drs-namespace set-result-module-name)
(error-display-handler teaching-languages-error-display-handler)
(error-value->string-handler (λ (x y) (teaching-languages-error-value->string settings x y)))
(current-eval (add-annotation (htdp-lang-settings-tracing? settings) (current-eval)))
(error-print-source-location #f)
(read-decimal-as-inexact #f)
(read-accept-dot (get-read-accept-dot))
(namespace-attach-module drs-namespace scheme-test-module-name)
(namespace-require scheme-test-module-name)
(namespace-attach-module drs-namespace scheme-signature-module-name)
(namespace-require scheme-signature-module-name)
;; hack: the test-engine code knows about the test~object name; we do, too
(namespace-set-variable-value! 'test~object (build-test-engine))
;; record signature violations with the test engine
(signature-violation-proc
(lambda (obj signature message blame)
(cond
((namespace-variable-value 'test~object #f (lambda () #f))
=> (lambda (engine)
(send (send engine get-info) signature-failed
obj signature message blame))))))
(scheme-test-data (list (drscheme:rep:current-rep) drs-eventspace test-display%))
(test-execute tests-on?)
(signature-checking-enabled? (get-preference 'signatures:enable-checking? (lambda () #t)))
(test-format (make-formatter (lambda (v o) (render-value/format v settings o 40)))))))
(super on-execute settings run-in-user-thread)
;; set the global-port-print-handler after the super class because the super sets it too
(run-in-user-thread
(lambda ()
(define my-setup-printing-parameters (drscheme:language:make-setup-printing-parameters))
(global-port-print-handler
(λ (value port [depth 0])
(teaching-language-render-value/format my-setup-printing-parameters value settings port 'infinity))))))
(define/private (teaching-languages-error-value->string settings v len)
(let ([sp (open-output-string)])
(set-printing-parameters settings (λ () (print v sp)))
(flush-output sp)
(let ([s (get-output-string sp)])
(cond
[(<= (string-length s) len) s]
[else (string-append (substring s 0 (- len 3)) "...")]))))
;; set-printing-parameters : settings ( -> TST) -> TST
;; is implicitly exposed to the stepper. watch out! -- john
(define/public (set-printing-parameters settings thunk)
(define img-str "#<image>")
(define (is-image? val)
(or (is-a? val ic:image%) ;; 2htdp/image
(is-a? val cache-image-snip%) ;; htdp/image
(is-a? val image-snip%) ;; literal image constant
(is-a? val bitmap%))) ;; works in other places, so include it here too
(parameterize ([pc:booleans-as-true/false #t]
[pc:add-make-prefix-to-constructor #t]
[pc:abbreviate-cons-as-list (get-abbreviate-cons-as-list)]
[pc:current-print-convert-hook
(let ([ph (pc:current-print-convert-hook)])
(lambda (val basic sub)
(cond
[(equal? val set!-result) '(void)]
[else (ph val basic sub)])))]
[pretty-print-show-inexactness #t]
[pretty-print-exact-as-decimal #t]
[pretty-print-print-hook
(let ([oh (pretty-print-print-hook)])
(λ (val display? port)
(if (and (not (port-writes-special? port))
(is-image? val))
(begin (display img-str port)
(string-length img-str))
(oh val display? port))))]
[pretty-print-size-hook
(let ([oh (pretty-print-size-hook)])
(λ (val display? port)
(if (and (not (port-writes-special? port))
(is-image? val))
(string-length img-str)
(oh val display? port))))]
[pc:use-named/undefined-handler
(lambda (x)
(and (get-use-function-output-syntax?)
(procedure? x)
(object-name x)))]
[pc:named/undefined-handler
(lambda (x)
(string->symbol
(format "function:~a" (object-name x))))])
(thunk)))
(define/override (render-value/format value settings port width)
(teaching-language-render-value/format drscheme:language:setup-printing-parameters value settings port width))
(define/override (render-value value settings port)
(teaching-language-render-value/format drscheme:language:setup-printing-parameters value settings port 'infinity))
(define/private (teaching-language-render-value/format setup-printing-parameters value settings port width)
;; set drscheme's printing parameters
(setup-printing-parameters
(λ ()
;; then adjust the settings for the teaching languages
(set-printing-parameters
settings
(λ ()
(let-values ([(converted-value write?)
(call-with-values
(lambda ()
(drscheme:language:simple-module-based-language-convert-value value settings))
(case-lambda
[(converted-value) (values converted-value #t)]
[(converted-value write?) (values converted-value write?)]))])
(let ([pretty-out (if write? pretty-write pretty-print)])
(cond
[(drscheme:language:simple-settings-insert-newlines settings)
(if (number? width)
(parameterize ([pretty-print-columns width])
(pretty-out converted-value port))
(pretty-out converted-value port))]
[else
(parameterize ([pretty-print-columns 'infinity])
(pretty-out converted-value port))
(newline port)]))))))
settings
width))
(super-new)))
;; sharing/not-config-panel : boolean boolean parent -> (case-> (-> settings) (settings -> void))
;; constructs the config-panel for a language without a sharing option.
(define (sharing/not-config-panel allow-sharing-config? accept-quasiquote? _parent)
(let* ([parent (make-object vertical-panel% _parent)]
[input-panel (instantiate group-box-panel% ()
(parent parent)
(label (string-constant input-syntax))
(alignment '(left center)))]
[output-panel (instantiate group-box-panel% ()
(parent parent)
(label (string-constant output-syntax))
(alignment '(left center)))]
[tp-group-box (instantiate group-box-panel% ()
(label (string-constant teachpacks))
(parent parent)
(alignment '(center top)))]
[tp-panel (new vertical-panel%
[parent tp-group-box]
[alignment '(center center)]
[stretchable-width #f]
[stretchable-height #f])]
[case-sensitive (make-object check-box%
(string-constant case-sensitive-label)
input-panel
void)]
[output-style (make-object radio-box%
(string-constant output-style-label)
(if accept-quasiquote?
(list (string-constant constructor-printing-style)
(string-constant quasiquote-printing-style)
(string-constant write-printing-style))
(list (string-constant constructor-printing-style)
(string-constant write-printing-style)))
output-panel
void)]
[show-sharing #f]
[insert-newlines (make-object check-box%
(string-constant use-pretty-printer-label)
output-panel
void)]
[tracing (new check-box%
(parent output-panel)
(label (string-constant tracing-enable-tracing))
(callback void))]
[fraction-style
(make-object radio-box% (string-constant fraction-style)
(list (string-constant use-mixed-fractions)
(string-constant use-repeating-decimals))
output-panel
void)]
[tps '()])
(when allow-sharing-config?
(set! show-sharing
(instantiate check-box% ()
(parent output-panel)
(label (string-constant sharing-printing-label))
(callback void))))
;; set the characteristics of the GUI
(send _parent set-alignment 'center 'center)
(send parent stretchable-height #f)
(send parent stretchable-width #f)
(send parent set-alignment 'center 'center)
(case-lambda
[()
(make-htdp-lang-settings
(send case-sensitive get-value)
(if accept-quasiquote?
(case (send output-style get-selection)
[(0) 'constructor]
[(1) 'quasiquote]
[(2) 'write])
(case (send output-style get-selection)
[(0) 'constructor]
[(1) 'write]))
(case (send fraction-style get-selection)
[(0) 'mixed-fraction]
[(1) 'repeating-decimal])
(and allow-sharing-config? (send show-sharing get-value))
(send insert-newlines get-value)
'none
(send tracing get-value)
tps)]
[(settings)
(send case-sensitive set-value (drscheme:language:simple-settings-case-sensitive settings))
(send output-style set-selection
(if accept-quasiquote?
(case (drscheme:language:simple-settings-printing-style settings)
[(constructor) 0]
[(quasiquote) 1]
[(print trad-write write) 2])
(case (drscheme:language:simple-settings-printing-style settings)
[(constructor) 0]
[(quasiquote) 0]
[(print trad-write write) 1])))
(send fraction-style set-selection
(case (drscheme:language:simple-settings-fraction-style settings)
[(mixed-fraction) 0]
[(repeating-decimal) 1]))
(when allow-sharing-config?
(send show-sharing set-value (drscheme:language:simple-settings-show-sharing settings)))
(send insert-newlines set-value
(drscheme:language:simple-settings-insert-newlines settings))
(set! tps (htdp-lang-settings-teachpacks settings))
(send tp-panel change-children (λ (l) '()))
(if (null? tps)
(new message%
[parent tp-panel]
[label (string-constant teachpacks-none)])
(for-each
(λ (tp) (new message%
[parent tp-panel]
[label (format "~s" tp)]))
tps))
(send tracing set-value (htdp-lang-settings-tracing? settings))
(void)])))
(define simple-htdp-language%
(class* drscheme:language:simple-module-based-language% (htdp-language<%>)
(init-field sharing-printing
abbreviate-cons-as-list
allow-sharing?
manual
reader-module
(use-function-output-syntax? #f)
(accept-quasiquote? #t)
(read-accept-dot #f)
(style-delta #f))
(define/public (get-sharing-printing) sharing-printing)
(define/public (get-abbreviate-cons-as-list) abbreviate-cons-as-list)
(define/public (get-allow-sharing?) allow-sharing?)
(define/public (get-manual) manual)
(define/public (get-use-function-output-syntax?) use-function-output-syntax?)
(define/public (get-accept-quasiquote?) accept-quasiquote?)
(define/public (get-read-accept-dot) read-accept-dot)
;(define/override (get-one-line-summary) one-line-summary)
(define/public (get-htdp-style-delta) style-delta)
(super-new [language-url "http://www.htdp.org/"])))
(define (language-extension %)
(class %
(inherit get-manual)
(define/override (extra-repl-information settings port)
(define welcome (drscheme:rep:get-welcome-delta))
(define (go str sd)
(let* ([s (make-object string-snip% str)]
[sl (editor:get-standard-style-list)]
[std (send sl find-named-style "Standard")]
[style (send sl find-or-create-style std sd)])
(send s set-style style)
(write-special s port)))
(define tps (htdp-lang-settings-teachpacks settings))
(unless (null? tps)
(go "Teachpack" welcome)
(cond
[(= 1 (length tps))
(go ": " welcome)
(go (cadr (car tps)) (drscheme:rep:get-dark-green-delta))]
[(= 2 (length tps))
(go "s: " welcome)
(go (cadr (car tps)) (drscheme:rep:get-dark-green-delta))
(go " and " welcome)
(go (cadr (cadr tps)) (drscheme:rep:get-dark-green-delta))]
[else
(go "s: " welcome)
(go (cadr (car tps)) (drscheme:rep:get-dark-green-delta))
(let loop ([these-tps (cdr tps)])
(cond
[(null? (cdr these-tps))
(go ", and " welcome)
(go (cadr (car these-tps)) (drscheme:rep:get-dark-green-delta))]
[else
(go ", " welcome)
(go (cadr (car these-tps)) (drscheme:rep:get-dark-green-delta))
(loop (cdr these-tps))]))])
(go "." welcome)
(newline port)))
(define/override (first-opened settings)
(for ([tp (in-list (htdp-lang-settings-teachpacks settings))])
(namespace-require/constant tp)))
(inherit get-module get-transformer-module get-init-code
use-namespace-require/copy?)
(define/override (create-executable setting parent program-filename)
(let ([dist-filename
(drscheme:language:put-executable
parent program-filename
'distribution
#t
(string-constant save-a-mred-distribution))])
(when dist-filename
(drscheme:language:create-distribution-for-executable
dist-filename
#t
(λ (exe-name)
(create-htdp-lang-executable program-filename exe-name reader-module))))))
(define/private (get-export-names sexp)
(let* ([sym-name ((current-module-name-resolver) sexp #f #f)]
[no-ext-name (substring (symbol->string sym-name)
1
(string-length (symbol->string sym-name)))]
[full-name
(cond
[(file-exists? (string-append no-ext-name ".ss"))
(string-append no-ext-name ".ss")]
[(file-exists? (string-append no-ext-name ".scm"))
(string-append no-ext-name ".scm")]
[(file-exists? no-ext-name)
no-ext-name]
[else (error 'htdp-lang.rkt "could not find language filename ~s" no-ext-name)])]
[base-dir (let-values ([(base _1 _2) (split-path full-name)]) base)]
[stx
(call-with-input-file full-name
(lambda (port)
(read-syntax full-name port)))]
[code
(parameterize ([current-load-relative-directory base-dir]
[current-directory base-dir])
(expand stx))]
[find-name
(lambda (p)
(cond
[(symbol? p) p]
[(and (pair? p) (pair? (cdr p)))
(cadr p)]
[else (car p)]))])
(append
(map find-name (syntax-property code 'module-variable-provides))
(map find-name (syntax-property code 'module-syntax-provides)))))
(define/private (symbol-append x y)
(string->symbol
(string-append
(symbol->string x)
(symbol->string y))))
(inherit get-htdp-style-delta)
(define/override (get-style-delta)
(get-htdp-style-delta))
(inherit get-reader set-printing-parameters)
(define/override (front-end/complete-program port settings)
(expand-teaching-program port
(get-reader)
(get-module)
(htdp-lang-settings-teachpacks settings)))
(define/override (front-end/interaction port settings)
(let ([t (super front-end/interaction port settings)]
[start? #t]
[done? #f])
(λ ()
(cond
[start?
(set! start? #f)
#'(#%plain-app reset-tests)]
[done? eof]
[else
(let ([ans (parameterize ([read-accept-lang #f])
(t))])
(cond
[(eof-object? ans)
(set! done? #t)
#`(test)]
[else
ans]))]))))
(define keywords #f)
(define/augment (capability-value key)
(case key
[(drscheme:autocomplete-words)
(unless keywords
(set! keywords (text:get-completions/manuals #f))) ;; complete with everything, which is wrong ..
keywords]
[(drscheme:teachpack-menu-items) htdp-teachpack-callbacks]
[(drscheme:special:insert-lambda) #f]
[(drscheme:help-context-term)
(let* ([m (get-module)]
[m (and m (pair? m) (pair? (cdr m)) (cadr m))]
[m (and m (regexp-match #rx"^(lang/[^/.]+).ss$" m))]
[m (and m (cadr m))])
(if m
(format "O:{ L:~a T:teachpack T:picturing-programs }" m)
(error 'drscheme:help-context-term
"internal error: unexpected module spec")))]
[(tests:test-menu tests:dock-menu) #t]
[else (inner (drscheme:language:get-capability-default key)
capability-value
key)]))
(define htdp-teachpack-callbacks
(drscheme:unit:make-teachpack-callbacks
(λ (settings)
(map cadr (htdp-lang-settings-teachpacks settings)))
(λ (settings parent)
(let ([teachpack (get-teachpack-from-user parent)])
(if teachpack
(let ([old-tps (htdp-lang-settings-teachpacks settings)])
(if (member teachpack old-tps)
(begin
(message-box (string-constant drscheme)
(format (string-constant already-added-teachpack)
(cadr teachpack))
#:dialog-mixin frame:focus-table-mixin)
settings)
(let ([new-tps (append old-tps (list teachpack))])
(preferences:set 'drracket:htdp:last-set-teachpacks new-tps)
(make-htdp-lang-settings
(drscheme:language:simple-settings-case-sensitive settings)
(drscheme:language:simple-settings-printing-style settings)
(drscheme:language:simple-settings-fraction-style settings)
(drscheme:language:simple-settings-show-sharing settings)
(drscheme:language:simple-settings-insert-newlines settings)
(drscheme:language:simple-settings-annotations settings)
(htdp-lang-settings-tracing? settings)
new-tps))))
settings)))
(λ (settings name)
(let ([new-tps (filter (λ (x) (not (equal? (cadr x) name)))
(htdp-lang-settings-teachpacks settings))])
(preferences:set 'drracket:htdp:last-set-teachpacks new-tps)
(make-htdp-lang-settings
(drscheme:language:simple-settings-case-sensitive settings)
(drscheme:language:simple-settings-printing-style settings)
(drscheme:language:simple-settings-fraction-style settings)
(drscheme:language:simple-settings-show-sharing settings)
(drscheme:language:simple-settings-insert-newlines settings)
(drscheme:language:simple-settings-annotations settings)
(htdp-lang-settings-tracing? settings)
new-tps)))
(λ (settings)
(preferences:set 'drracket:htdp:last-set-teachpacks '())
(make-htdp-lang-settings
(drscheme:language:simple-settings-case-sensitive settings)
(drscheme:language:simple-settings-printing-style settings)
(drscheme:language:simple-settings-fraction-style settings)
(drscheme:language:simple-settings-show-sharing settings)
(drscheme:language:simple-settings-insert-newlines settings)
(drscheme:language:simple-settings-annotations settings)
(htdp-lang-settings-tracing? settings)
'()))))
(inherit-field reader-module)
(define/override (get-reader-module) reader-module)
(define/override (get-metadata modname settings)
(string-append
(apply string-append
(map (λ (x) (string-append x "\n"))
htdp-save-file-prefix))
(format "#reader~s~s\n"
reader-module
`((modname ,modname)
(read-case-sensitive ,(drscheme:language:simple-settings-case-sensitive settings))
(teachpacks ,(htdp-lang-settings-teachpacks settings))
(htdp-settings ,(htdp-lang-settings->vector settings))))))
(inherit default-settings)
(define/override (metadata->settings metadata)
(let* ([table (massage-metadata (metadata->table metadata))] ;; extract the table
[ssv (assoc 'htdp-settings table)])
(if ssv
(let ([settings-list (vector->list (cadr ssv))])
(if (equal? (length settings-list)
(procedure-arity make-htdp-lang-settings))
(apply make-htdp-lang-settings settings-list)
(default-settings)))
(default-settings))))
(define/private (massage-metadata md)
(if (and (list? md)
(andmap (λ (x) (and (pair? x) (symbol? (car x)))) md))
md
'()))
(define/private (metadata->table metadata)
(with-handlers ((exn:fail:read? (λ (x) #f)))
(let ([p (open-input-string metadata)])
(regexp-match #rx"\n#reader" p) ;; skip to reader
(read p) ;; skip module
(read p))))
(define/override (get-metadata-lines) 3)
(super-new)))
(define (get-teachpack-from-user parent)
(define tp-dirs (list "htdp" "2htdp"))
(define labels (list (string-constant teachpack-pre-installed/htdp)
(string-constant teachpack-pre-installed/2htdp)))
(define tpss (map (λ (tp-dir)
(let ([base (collection-path "teachpack" tp-dir)])
(filter
(λ (x) (file-exists? (build-path base x)))
(directory-list base))))
tp-dirs))
(define sort-order (λ (x y) (string<=? (path->string x) (path->string y))))
(define pre-installed-tpss (map (λ (tps) (sort tps sort-order)) tpss))
(define dlg (new (frame:focus-table-mixin dialog%) [parent parent] [label (string-constant drscheme)]))
(define hp (new horizontal-panel% [parent dlg]))
(define answer #f)
(define compiling? #f)
(define pre-installed-gbs (map (λ (tps label)
(new group-box-panel%
[label label]
[parent hp]))
tpss labels))
(define user-installed-gb (new group-box-panel%
[label (string-constant teachpack-user-installed)]
[parent hp]))
(define pre-installed-lbs
(map (λ (pre-installed-gb pre-installed-tps)
(new list-box%
[label #f]
[choices (map path->string pre-installed-tps)]
[stretchable-height #t]
[min-height 300]
[min-width 200]
[callback
(λ (this evt)
(case (send evt get-event-type)
[(list-box-dclick) (selected this)]
[else
(for-each (λ (x) (unless (eq? x this) (clear-selection x)))
(cons user-installed-lb
pre-installed-lbs))
(update-button)]))]
[parent pre-installed-gb]))
pre-installed-gbs
pre-installed-tpss))
(define user-installed-lb
(new list-box%
[label #f]
[choices '()]
[stretchable-height #t]
[min-width 200]
[callback
(λ (x evt)
(case (send evt get-event-type)
[(list-box-dclick) (selected user-installed-lb)]
[else
(for ([pre-installed-lb (in-list pre-installed-lbs)])
(clear-selection pre-installed-lb))
(update-button)]))]
[parent user-installed-gb]))
(define (selected lb)
(when (send lb get-selection)
(unless compiling?
(set! answer (figure-out-answer))
(send dlg show #f))))
(define (clear-selection lb)
(for-each
(λ (x) (send lb select x #f))
(send lb get-selections)))
(define add-button (new button%
[parent user-installed-gb]
[label (string-constant add-teachpack-to-list...)]
[callback (λ (x y) (install-teachpack))]))
(define (install-teachpack)
(let ([file (get-file (string-constant select-a-teachpack) dlg)])
(when file
(let-values ([(base name dir) (split-path file)])
(let ([dest-file (build-path teachpack-installation-dir name)])
(when (or (not (file-exists? dest-file))
(equal? 1
(message-box/custom
(string-constant drscheme)
(format
(string-constant teachpack-already-installed)
(path->string name))
(string-constant overwrite)
(string-constant cancel)
#f
dlg
'(default=2 caution))))
(make-directory* teachpack-installation-dir)
(when (file-exists? dest-file)
(delete-file dest-file))
(copy-file file dest-file)
;; compiling the teachpack should be the last thing in this GUI callback
(compile-new-teachpack dest-file)))))))
(define (compile-new-teachpack filename)
(let-values ([(_1 short-name _2) (split-path filename)])
(cond
[(cannot-compile? filename)
(post-compilation-gui-cleanup short-name)]
[else
(send compiling-message set-label
(format (string-constant compiling-teachpack)
(path->string short-name)))
(starting-compilation)
(let ([nc (make-custodian)]
[exn #f])
(let ([t
(parameterize ([current-custodian nc])
(thread (λ ()
(with-handlers ((exn? (λ (x) (set! exn x))))
(parameterize ([current-namespace (make-base-namespace)])
(with-module-reading-parameterization
(lambda ()
(compile-file filename))))))))])
(thread
(λ ()
(thread-wait t)
(queue-callback
(λ ()
(cond
[exn
(message-box (string-constant drscheme)
(exn-message exn))
(delete-file filename)
(update-user-installed-lb)]
[else
(post-compilation-gui-cleanup short-name)])
(done-compilation)
(send compiling-message set-label "")))))))])))
(define (post-compilation-gui-cleanup short-name)
(update-user-installed-lb)
(for ([pre-installed-lb (in-list pre-installed-lbs)])
(clear-selection pre-installed-lb))
(send user-installed-lb set-string-selection (path->string short-name)))
(define (starting-compilation)
(set! compiling? #t)
(update-button)
(send cancel-button enable #f))
(define (done-compilation)
(set! compiling? #f)
(update-button)
(send cancel-button enable #t))
(define (update-user-installed-lb)
(let ([files
(if (directory-exists? teachpack-installation-dir)
(map path->string
(filter
(λ (x) (file-exists? (build-path teachpack-installation-dir x)))
(directory-list teachpack-installation-dir)))
'())])
(send user-installed-lb set (sort files string<=?))))
(define (update-button)
(send ok-button enable
(and (not compiling?)
(or (pair? (send user-installed-lb get-selections))
(ormap (λ (pre-installed-lb)
(pair? (send pre-installed-lb get-selections)))
pre-installed-lbs)))))
(define button-panel (new horizontal-panel%
[parent dlg]
[alignment '(right center)]
[stretchable-height #f]))
(define compiling-message (new message% [parent button-panel] [label ""] [stretchable-width #t]))
(define-values (ok-button cancel-button)
(gui-utils:ok/cancel-buttons button-panel
(λ (b e)
(set! answer (figure-out-answer))
(send dlg show #f))
(λ (b e)
(send dlg show #f))
(string-constant ok) (string-constant cancel)))
(define (figure-out-answer)
(cond
[(ormap (λ (pre-installed-lb tp-dir)
(and (send pre-installed-lb get-selection)
(list tp-dir (send pre-installed-lb get-string (send pre-installed-lb get-selection)))))
pre-installed-lbs
tp-dirs)
=>
(λ (pr)
(define-values (tp-dir f) (apply values pr))
`(lib ,f "teachpack" ,tp-dir))]
[(send user-installed-lb get-selection)
=>
(λ (i) `(lib ,(send user-installed-lb get-string i)
,user-installed-teachpacks-collection))]
[else (error 'figure-out-answer "no selection!")]))
(send ok-button enable #f)
(update-user-installed-lb)
(send dlg show #t)
answer)
(define (stepper-settings-language %)
(if (implementation? % stepper-language<%>)
(class* % (stepper-language<%>)
(init-field stepper:supported)
(init-field stepper:enable-let-lifting)
(init-field stepper:show-lambdas-as-lambdas)
(define/override (stepper:supported?) stepper:supported)
(define/override (stepper:enable-let-lifting?) stepper:enable-let-lifting)
(define/override (stepper:show-lambdas-as-lambdas?) stepper:show-lambdas-as-lambdas)
(super-new))
(class* % ()
(init stepper:supported)
(init stepper:enable-let-lifting)
(init stepper:show-lambdas-as-lambdas)
(super-new))))
(define (debugger-settings-language %)
(if (implementation? % debugger-language<%>)
(class* % (debugger-language<%>)
(init-field [debugger:supported #f])
(define/override (debugger:supported?) debugger:supported)
(super-new))
(class %
(init [debugger:supported #f])
(super-new))))
;; filter/hide-ids : syntax[list] -> listof syntax
(define (filter/hide-ids ids)
;; When a `define-values' or `define-syntax' declaration
;; is macro-generated, if the defined name also originates
;; from a macro, then the name is hidden to anything
;; that wasn't generated by the same macro invocation. This
;; hiding relies on renaming at the symbol level, and it's
;; exposed by the fact that `syntax-e' of the identifier
;; returns a different name than `identifier-binding'.
(filter
(lambda (id)
(let ([ib (identifier-binding id)])
;; ib should always be a 4-elem list, but
;; check, just in case:
(or (not (pair? ib))
(eq? (syntax-e id)
(cadr ib)))))
(syntax->list ids)))
;
;
;
; ; ; ;
; ; ; ;
; ; ; ;
; ; ;; ;;; ; ;; ;; ; ; ;; ;; ;;; ; ;; ; ;; ;;; ;;; ; ;
; ;; ; ; ; ;; ; ; ;; ;; ;; ; ; ; ;; ; ;; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ;;;; ; ; ; ; ; ; ; ;;;; ; ; ; ; ;;;; ; ;;;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ;;;;; ; ; ;; ; ; ; ; ;;;;; ; ; ; ; ;;;;; ;;; ; ;
; ;
; ; ;
; ;;;;
;; this inspector should be powerful enough to see
;; any structure defined in the user's namespace
(define drscheme-inspector (current-inspector))
(eval `(,#'module drscheme-secrets mzscheme
(provide drscheme-inspector)
(define drscheme-inspector ,drscheme-inspector)))
(namespace-require ''drscheme-secrets)
;
;
;
;
;
; ;
; ;;; ; ; ; ; ;;; ; ; ;;;; ; ; ;;; ;;; ;;;
; ; ; ;; ;; ; ; ;; ; ;; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ;;;;;; ; ; ; ; ; ; ; ;;;; ; ;;;;;;
; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ;;;; ; ; ;;; ; ;; ; ;;;;; ;;; ;;;;
;
;
;
(define mf-note
(let ([bitmap
(make-object bitmap%
(build-path (collection-path "icons") "mf.gif"))])
(and (send bitmap ok?)
(make-object image-snip% bitmap))))
;; teaching-languages-error-display-handler :
;; (string (union TST exn) -> void) -> string exn -> void
;; adds in the bug icon, if there are contexts to display
(define (teaching-languages-error-display-handler msg exn)
(if (exn? exn)
(display (get-rewriten-error-message exn) (current-error-port))
(eprintf "uncaught exception: ~e" exn))
(eprintf "\n")
;; need to flush here so that error annotations inserted in next line
;; don't get erased if this output were to happen after the insertion
(flush-output (current-error-port))
(let ([rep (drscheme:rep:current-rep)])
(when (and (is-a? rep drscheme:rep:text<%>)
(eq? (send rep get-err-port) (current-error-port)))
(let ([to-highlight
(cond
[(exn:srclocs? exn)
((exn:srclocs-accessor exn) exn)]
[(exn? exn)
(let ([cms (continuation-mark-set->list
(exn-continuation-marks exn)
teaching-languages-continuation-mark-key)])
(cond
((not cms) '())
((findf (lambda (mark)
(and mark
(or (path? (car mark))
(symbol? (car mark)))))
cms)
=> (lambda (mark)
(apply (lambda (source line col pos span)
(list (make-srcloc source line col pos span)))
mark)))
(else '())))]
[else '()])])
(parameterize ([current-eventspace drs-eventspace])
(queue-callback
(lambda ()
;; need to make sure that the user's eventspace is still the same
;; and still running here?
(send rep highlight-errors to-highlight #f))))))))
;; with-mark : syntax syntax exact-nonnegative-integer -> syntax
;; a member of stacktrace-imports^
;; guarantees that the continuation marks associated with teaching-languages-continuation-mark-key are
;; members of the debug-source type
(define (with-mark source-stx expr phase)
(let ([source (syntax-source source-stx)]
[line (syntax-line source-stx)]
[col (syntax-column source-stx)]
[start-position (syntax-position source-stx)]
[span (syntax-span source-stx)])
(if (and (or (symbol? source) (path? source))
(number? start-position)
(number? span))
(with-syntax ([expr expr]
[mark (list source line col start-position span)]
[teaching-languages-continuation-mark-key teaching-languages-continuation-mark-key]
[wcm (syntax-shift-phase-level #'with-continuation-mark (- phase base-phase))]
[quot (syntax-shift-phase-level #'quote (- phase base-phase))])
#`(wcm (quot teaching-languages-continuation-mark-key)
(quot mark)
expr))
expr)))
(define base-phase
(variable-reference->module-base-phase (#%variable-reference)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; profiling infrastructure. Not used.
;;
(define profile-key (gensym))
(define (profiling-enabled) #f)
(define (initialize-profile-point . x) (void))
(define (register-profile-start . x) #f)
(define (register-profile-done . x) (void))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; test coverage
;;
(define test-coverage-enabled (make-parameter #t))
(define current-test-coverage-info (make-thread-cell #f))
(define (initialize-test-coverage-point expr)
(unless (thread-cell-ref current-test-coverage-info)
(let ([ht (make-hasheq)])
(thread-cell-set! current-test-coverage-info ht)
(let ([rep (drscheme:rep:current-rep)])
(when rep
(parameterize ([current-eventspace drs-eventspace])
(queue-callback
(λ ()
(define sl (editor:get-standard-style-list))
(define on-s (send sl find-named-style test-coverage-on-style-name))
(define off-s (send sl find-named-style test-coverage-off-style-name))
(send rep set-test-coverage-info ht on-s off-s #f))))))))
(let ([ht (thread-cell-ref current-test-coverage-info)])
(when ht
(hash-set! ht expr #;(box #f) (mcons #f #f)))))
(define (test-covered expr)
(let* ([ht (or (thread-cell-ref current-test-coverage-info)
(error 'htdp-langs
"internal-error: no test-coverage table"))]
[v (hash-ref ht expr
(lambda ()
(error 'htdp-langs
"internal-error: expression not found: ~.s"
expr)))])
#; (lambda () (set-box! v #t))
(with-syntax ([v v]) #'(#%plain-app set-mcar! v #t))))
(define-values/invoke-unit et:stacktrace@
(import et:stacktrace-imports^) (export (prefix et: et:stacktrace^)))
;; add-annotation : boolean (sexp -> value) -> sexp -> value
;; adds debugging and test coverage information to `sexp' and calls `oe'
(define (add-annotation tracing? oe)
(let ([teaching-language-eval-handler
(lambda (exp)
(let* ([is-compiled? (compiled-expression? (if (syntax? exp) (syntax-e exp) exp))]
[annotated
(if is-compiled?
exp
(let* ([et-annotated (et:annotate-top (expand exp)
(namespace-base-phase))]
[tr-annotated
(if tracing?
(drscheme:tracing:annotate (expand et-annotated))
et-annotated)])
tr-annotated))])
(oe annotated)))])
teaching-language-eval-handler))
;
;
;
; ; ; ; ;
; ; ; ;
; ; ; ; ; ; ; ;
; ; ;; ; ; ;;;; ; ;;;; ;;; ; ; ;;;; ;;; ;; ; ;;; ;;;; ; ;; ;;; ; ;
; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ; ;; ; ; ; ;;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ; ; ; ; ; ; ; ;;;; ; ; ; ; ; ; ; ;;;;;; ; ; ; ;;;;;; ;
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
; ;; ; ; ;; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ; ; ; ;
; ; ;; ;; ; ;; ; ;; ;;;;; ; ; ;; ;;; ;; ; ;;;; ;; ; ; ;;;; ;
; ; ;
; ; ; ;
; ; ;;;;
;; add-htdp-language : (instanceof htdp-language<%>) -> void
(define (add-htdp-language o)
(drscheme:language-configuration:add-language
o
#:allow-executable-creation? #t))
(define (phase1) (void))
;; phase2 : -> void
(define (phase2)
(define htdp-language%
(stepper-settings-language
(debugger-settings-language
((drscheme:language:get-default-mixin)
(language-extension
(drscheme:language:module-based-language->language-mixin
(module-based-language-extension
(drscheme:language:simple-module-based-language->module-based-language-mixin
simple-htdp-language%))))))))
(add-htdp-language
(instantiate htdp-language% ()
(one-line-summary (string-constant advanced-one-line-summary))
(module '(lib "lang/htdp-advanced.ss"))
(manual #"advanced")
(language-position
(list (string-constant teaching-languages)
(string-constant how-to-design-programs)
(string-constant advanced-student)))
(language-id "plt:advanced-student")
(language-numbers '(-500 -500 5))
(sharing-printing #t)
(abbreviate-cons-as-list #t)
(allow-sharing? #t)
(reader-module '(lib "htdp-advanced-reader.ss" "lang"))
(debugger:supported #t)
(stepper:supported #f)
(stepper:enable-let-lifting #t)
(stepper:show-lambdas-as-lambdas #t)))
(add-htdp-language
(instantiate htdp-language% ()
(one-line-summary (string-constant intermediate/lambda-one-line-summary))
(module '(lib "lang/htdp-intermediate-lambda.ss"))
(manual #"intermediate-lambda")
(language-position
(list (string-constant teaching-languages)
(string-constant how-to-design-programs)
(string-constant intermediate-student/lambda)))
(language-id "plt:intermediate-student/lambda")
(style-delta (let ([match (regexp-match-positions
"lambda"
(string-constant intermediate-student/lambda))])
(if match
(let ([pos (car match)])
(list (list (make-object style-delta% 'change-family 'modern)
(car pos)
(cdr pos))))
#f)))
(language-numbers '(-500 -500 4))
(sharing-printing #f)
(abbreviate-cons-as-list #t)
(allow-sharing? #f)
(reader-module '(lib "htdp-intermediate-lambda-reader.ss" "lang"))
(stepper:supported #t)
(stepper:enable-let-lifting #t)
(stepper:show-lambdas-as-lambdas #t)))
(add-htdp-language
(instantiate htdp-language% ()
(one-line-summary (string-constant intermediate-one-line-summary))
(module '(lib "lang/htdp-intermediate.ss"))
(manual #"intermediate")
(language-position
(list (string-constant teaching-languages)
(string-constant how-to-design-programs)
(string-constant intermediate-student)))
(language-id "plt:intermediate-student")
(language-numbers '(-500 -500 3))
(sharing-printing #f)
(abbreviate-cons-as-list #t)
(allow-sharing? #f)
(use-function-output-syntax? #t)
(reader-module '(lib "htdp-intermediate-reader.ss" "lang"))
(stepper:supported #t)
(stepper:enable-let-lifting #t)
(stepper:show-lambdas-as-lambdas #f)))
(add-htdp-language
(instantiate htdp-language% ()
(one-line-summary (string-constant beginning/abbrev-one-line-summary))
(module '(lib "lang/htdp-beginner-abbr.ss"))
(manual #"beginning-abbr")
(language-position
(list (string-constant teaching-languages)
(string-constant how-to-design-programs)
(string-constant beginning-student/abbrev)))
(language-id "plt:beginning-student/abbrev")
(language-numbers '(-500 -500 2))
(sharing-printing #f)
(abbreviate-cons-as-list #t)
(allow-sharing? #f)
(reader-module '(lib "htdp-beginner-abbr-reader.ss" "lang"))
(stepper:supported #t)
(stepper:enable-let-lifting #t)
(stepper:show-lambdas-as-lambdas #f)))
(add-htdp-language
(instantiate htdp-language% ()
(one-line-summary (string-constant beginning-one-line-summary))
(module '(lib "lang/htdp-beginner.ss"))
(manual #"beginning")
(language-position
(list (string-constant teaching-languages)
(string-constant how-to-design-programs)
(string-constant beginning-student)))
(language-numbers '(-500 -500 1))
(language-id "plt:beginning-student")
(sharing-printing #f)
(abbreviate-cons-as-list #f)
(allow-sharing? #f)
(accept-quasiquote? #f)
(reader-module '(lib "htdp-beginner-reader.ss" "lang"))
(stepper:supported #t)
(stepper:enable-let-lifting #t)
(stepper:show-lambdas-as-lambdas #f))))
(define test-coverage-on-style-name "plt:htdp:test-coverage-on")
(define test-coverage-off-style-name "plt:htdp:test-coverage-off")
(define test-coverage-on-style-pref (string->symbol test-coverage-on-style-name))
(define test-coverage-off-style-pref (string->symbol test-coverage-off-style-name))
(color-prefs:register-color-preference test-coverage-on-style-pref
test-coverage-on-style-name
(send the-color-database find-color "black")
(send the-color-database find-color "white"))
(color-prefs:register-color-preference test-coverage-off-style-pref
test-coverage-off-style-name
(send the-color-database find-color "orange")
(send the-color-database find-color "indianred")
#:background (send the-color-database find-color "black"))
(color-prefs:add-to-preferences-panel
"HtDP Languages"
(λ (parent)
(color-prefs:build-color-selection-panel parent
test-coverage-on-style-pref
test-coverage-on-style-name
(string-constant test-coverage-on))
(color-prefs:build-color-selection-panel parent
test-coverage-off-style-pref
test-coverage-off-style-name
(string-constant test-coverage-off)
#:background? #t)))
(define (update-sds white-on-black?)
(define sl (editor:get-standard-style-list))
(define on-s (send sl find-named-style test-coverage-on-style-name))
(define off-s (send sl find-named-style test-coverage-off-style-name))
(define on-sd (make-object style-delta%))
(define off-sd (make-object style-delta%))
(send on-s get-delta on-sd)
(send off-s get-delta off-sd)
(cond
[white-on-black?
(send on-sd set-delta-foreground "white")
(send off-sd set-delta-foreground "indianred")
(send off-sd set-delta-background "black")]
[else
(send on-sd set-delta-foreground "black")
(send off-sd set-delta-foreground "orange")
(send off-sd set-delta-background "black")])
(preferences:set test-coverage-on-style-pref on-sd)
(preferences:set test-coverage-off-style-pref off-sd))
(preferences:add-callback 'framework:white-on-black?
(λ (p v) (update-sds v)))))