racket/collects/macro-debugger/view/hiding-panel.rkt

341 lines
11 KiB
Racket

#lang racket/base
(require racket/class
racket/gui/base
racket/list
racket/match
unstable/class-iop
"interfaces.rkt"
"../model/hiding-policies.rkt"
"../util/mpi.rkt"
unstable/gui/notify)
(provide macro-hiding-prefs-widget%)
(define mode:disable "Disable")
(define mode:standard "Standard")
(define mode:custom "Custom ...")
#|
TODO
- allow entry of more policies
- visual feedback on rules applying to selected identifier
(need to switch from list to editor)
|#
;; macro-hiding-prefs-widget%
(define macro-hiding-prefs-widget%
(class* object% (hiding-prefs<%>)
(init parent)
(init-field/i (stepper widget<%>))
(init-field config)
(define/public (get-policy)
(let ([mode (get-mode)])
(cond [(not (macro-hiding-enabled?)) #f]
[(equal? mode mode:standard) standard-policy]
[(equal? mode mode:custom) (get-custom-policy)])))
(define/private (get-custom-policy)
(let ([hide-racket? (send box:hide-racket get-value)]
[hide-libs? (send box:hide-libs get-value)]
[hide-contracts? (send box:hide-contracts get-value)]
[hide-transformers? (send box:hide-phase1 get-value)]
[specialized-policies (get-specialized-policies)])
(policy->predicate
`(custom ,hide-racket?
,hide-libs?
,hide-contracts?
,hide-transformers?
,specialized-policies))))
(define super-panel
(new vertical-panel%
(parent parent)
(stretchable-height #f)))
(define top-line-panel
(new horizontal-panel%
(parent super-panel)
(alignment '(left center))
(stretchable-height #f)))
(define customize-panel
(new horizontal-panel%
(parent super-panel)
(stretchable-height #f)
(alignment '(left top))
(style '(deleted))))
(define left-pane
(new vertical-pane%
(parent customize-panel)
(stretchable-width #f)
(alignment '(left top))))
(define right-pane
(new vertical-pane%
(parent customize-panel)))
(define mode-selector
(choice/notify-box
top-line-panel
"Macro hiding: "
(list mode:disable mode:standard mode:custom)
(get-field macro-hiding-mode config)))
(define top-line-inner-panel
(new horizontal-panel%
(parent top-line-panel)
(alignment '(right center))
(style '(deleted))))
(define/private (get-mode)
(send/i config config<%> get-macro-hiding-mode))
(define/private (macro-hiding-enabled?)
(let ([mode (get-mode)])
(or (equal? mode mode:standard)
(and (equal? mode mode:custom)
(send box:hiding get-value)))))
(define/private (ensure-custom-mode)
(unless (equal? (get-mode) mode:custom)
(send/i config config<%> set-macro-hiding-mode mode:custom)))
(define/private (update-visibility)
(let ([customizing (equal? (get-mode) mode:custom)])
(send top-line-panel change-children
(lambda (children)
(append (remq top-line-inner-panel children)
(if customizing (list top-line-inner-panel) null))))
(send super-panel change-children
(lambda (children)
(append (remq customize-panel children)
(if (and customizing (send box:edit get-value))
(list customize-panel)
null))))))
(send/i config config<%> listen-macro-hiding-mode
(lambda (value)
(update-visibility)
(force-refresh)))
(define box:hiding
(new check-box%
(label "Enable macro hiding")
(value #t)
(parent top-line-inner-panel)
(callback (lambda (c e) (force-refresh)))))
(define box:edit
(new check-box%
(label "Show policy editor")
(parent top-line-inner-panel)
(value #t)
(callback (lambda (c e) (update-visibility)))))
(define box:hide-racket
(new check-box%
(label "Hide racket syntax")
(parent left-pane)
(value #t)
(callback (lambda (c e) (refresh)))))
(define box:hide-libs
(new check-box%
(label "Hide library syntax")
(parent left-pane)
(value #t)
(callback (lambda (c e) (refresh)))))
(define box:hide-contracts
(new check-box%
(label "Hide contracts (heuristic)")
(parent left-pane)
(value #t)
(callback (lambda (c e) (refresh)))))
(define box:hide-phase1
(new check-box%
(label "Hide phase>0")
(parent left-pane)
(value #t)
(callback (lambda (c e) (refresh)))))
(define look-ctl
(new list-box% (parent right-pane) (label "")
(choices null) (style '(extended))
(callback
(lambda (c e)
(send delete-ctl enable (pair? (send c get-selections)))))))
(define look-button-pane
(new horizontal-pane% (parent right-pane) (stretchable-width #f)))
(define delete-ctl
(new button% (parent look-button-pane) (label "Delete rule") (enabled #f)
(callback (lambda _ (delete-selected) (refresh)))))
(define add-hide-id-button
(new button% (parent look-button-pane) (label "Hide macro") (enabled #f)
(callback (lambda _ (add-hide-identifier) (refresh)))))
(define add-show-id-button
(new button% (parent look-button-pane) (label "Show macro") (enabled #f)
(callback (lambda _ (add-show-identifier) (refresh)))))
;;(new grow-box-spacer-pane% (parent right-pane))
;; Methods
(define stx #f)
;; refresh : -> void
(define/public (refresh)
(when (macro-hiding-enabled?)
(send/i stepper widget<%> refresh/resynth)))
;; force-refresh : -> void
(define/private (force-refresh)
(send/i stepper widget<%> refresh/resynth))
;; set-syntax : syntax/#f -> void
(define/public (set-syntax lstx)
(set! stx (and (identifier? lstx) lstx))
(send add-show-id-button enable (identifier? lstx))
(send add-hide-id-button enable (identifier? lstx)))
;; A PolicyLine is an Entry
;; Entry is defined in ../model/hiding-policies
;; identifier-policies : (listof Entry)
(define identifier-policies null)
;; get-specialized-policies : -> (listof Entry)
(define/private (get-specialized-policies)
identifier-policies)
(define/public (add-hide-identifier)
(when (identifier? stx)
(add-policy-line 'hide-if `(free=? ,stx))))
(define/public (add-show-identifier)
(when (identifier? stx)
(add-policy-line 'show-if `(free=? ,stx))))
;; add-policy-line : 'show-if/'hide-if Condition -> void
(define/private (add-policy-line action condition)
(set! identifier-policies
(cons `(,action ,condition)
(remove-policy/condition condition identifier-policies)))
(update-list-view)
(ensure-custom-mode))
;; update-list-view : -> void
(define/private (update-list-view)
(send look-ctl set null)
(for ([policy identifier-policies])
(send look-ctl append (policy->string policy) policy)))
;; delete-selected : -> void
(define/private (delete-selected)
(define to-delete (sort (send look-ctl get-selections) <))
(set! identifier-policies
(let loop ([i 0] [policies identifier-policies] [to-delete to-delete])
(cond [(null? to-delete) policies]
[(= i (car to-delete))
(loop (add1 i) (cdr policies) (cdr to-delete))]
[else
(cons (car policies)
(loop (add1 i) (cdr policies) to-delete))])))
(update-list-view))
(super-new)
(update-visibility)))
(define (remove-policy/condition condition policies)
(filter (lambda (p) (not (same-condition? (cadr p) condition)))
policies))
;; ----
(define (policy->string policy)
(string-limit 200
(string-append
(case (car policy)
((show-if) "show ")
((hide-if) "hide "))
(condition->string (cadr policy)))))
(define (string-limit size s)
(cond [(> (string-length s) size)
(string-append (substring s 0 (- size 3)) "...")]
[else s]))
(define (condition->string condition)
(match condition
[`(free=? ,id)
(let ([b (identifier-binding id)])
(or #| (identifier->string id) |#
(cond [(list? b)
(let ([mod (caddr b)]
[name (cadddr b)])
(if (self-mpi? mod)
(format "'~a' defined in this module" name)
(format "'~s' imported from ~a" name (mpi->string mod))))]
[else
(symbol->string (syntax-e id))])))]
[_
"<condition>"]))
#|
(require scribble/xref
scribble/manual-struct
setup/xref)
(define xref-p (delay (load-collections-xref)))
(define (identifier->string id)
(define binding-info (identifier-binding id))
(define xref (force xref-p))
(define definition-tag
(and xref
(xref-binding->definition-tag xref binding-info #f)))
(and definition-tag
(let-values ([(path tag) (xref-tag->path+anchor xref definition-tag)])
(define index-entry
(and path (xref-tag->index-entry xref definition-tag)))
(define desc
(and index-entry (entry-desc index-entry)))
(and desc
(let ([name (exported-index-desc-name desc)]
[libs (exported-index-desc-from-libs desc)])
(format "'~a' from ~a"
name
(mpi->string (car libs))))))))
|#
#|
(define (get-id-key id)
id
#; ;; FIXME
(let ([binding (identifier-binding id)])
(get-id-key/binding id binding)))
(define (get-id-key/binding id binding)
(cond [(pair? binding)
(list (car binding) (cadr binding))]
[else id]))
(define (key=? key1 key2)
(cond [(and (identifier? key1) (identifier? key2))
(free-identifier=? key1 key2)]
[(and (pair? key1) (pair? key2))
(and (equal? (car key1) (car key2))
(equal? (cadr key1) (cadr key2)))]
[else #f]))
(define (key->text key)
(cond [(pair? key)
(let ([name (cadddr key)]
[mod (caddr key)])
(format "'~s' from ~a"
name
(mpi->string mod)))]
[else (symbol->string (syntax-e key))]))
|#