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; Project : STk-inspect, a graphical debugger for STk
; File name : inspect-misc.stk
; Creation date : Aug-30-1993
; Last update : Sep-17-1993
; This file contains definitions often used.
(provide "inspect-misc")
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(define BITMAP_MENU (& "@" *stk-library* "/Images/"))
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(define FIXED_FONT "-adobe-courier-bold-r-*-*-*-140-*-*-*-*-*-*")
(define MEDIUM_FONT "-adobe-helvetica-medium-r-*-*-*-120-*-*-*-*-*-*")
(define BOLD_FONT "-adobe-helvetica-bold-r-*-*-*-120-*-*-*-*-*-*")
(define ITALIC-MEDIUM_FONT "-adobe-helvetica-medium-o-*-*-*-120-*-*-*-*-*-*")
(define COURIER_BR14 "-adobe-courier-bold-r-*-*-*-140-*-*-*-*-*-*")
(define HELVETICA_BR12 "-adobe-helvetica-bold-r-*-*-*-120-*-*-*-*-*-*")
(define HELVETICA_BO12 "-adobe-helvetica-bold-o-*-*-*-120-*-*-*-*-*-*")
(define HELVETICA_MR12 "-adobe-helvetica-medium-r-*-*-*-120-*-*-*-*-*-*")
(define HELVETICA_MO12 "-adobe-helvetica-medium-o-*-*-*-120-*-*-*-*-*-*")
(define HELVETICA_MO10 "-adobe-helvetica-medium-o-*-*-*-100-*-*-*-*-*-*")
(define SCREEN_WIDTH (winfo 'vrootwidth *root*))
(define SCREEN_HEIGHT (winfo 'vrootheight *root*))
; General definitions and macros extending STk.
;---- A special eval
(define (inspect::eval x)
(if (and (symbol? x) (symbol-bound? x)) (eval x) x))
;---- Predicates
(define-macro (not-equal? x y) `(not (equal? ,x ,y)))
(define-macro (different? x y) `(not (equal? ,x ,y)))
;---- Operators
(define-macro (<> x y)
`(not (= ,x ,y)))
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;; method to handle "regular" objects
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(define (inspect::typeof obj)
(cond ((boolean? obj) 'boolean)
((list? obj) 'list)
((pair? obj) 'pair)
((symbol? obj) 'symbol)
((number? obj) 'number)
((char? obj) 'char)
((string? obj) 'string)
((vector? obj) 'vector)
((widget? obj) 'widget) ; must be before since widgets are also closures
((closure? obj) 'closure)
((primitive? obj) 'primitive)
(else 'unknown)))
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;; method to handle classes
;(define-method inspect::typeof ((obj <object>))
; 'stklos)
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;---- Display
(define (write\n . l)
(until (null? l)
(write (car l))
(set! l (cdr l)))
(define (display\n . l)
(until (null? l)
(display (car l))
(set! l (cdr l)))
;---- Control structures
(define-macro (for var test . body)
`(do ,var
((not ,test))
;---- Strings
(define (->string obj)
(if (widget? obj)
(widget->string obj)
(format #f "~A" obj)))
(define (->object obj)
(if (widget? obj)
(widget->string obj)
(format #f "~S" obj)))
(define (list->str l)
(if (null? l)
(let loop ((l l) (s ""))
(let ((car-l (car l)) (cdr-l (cdr l)) (elem ()))
(if (list? car-l)
(set! elem (string-append "(" (list->str car-l) ")"))
(set! elem (->string car-l)))
(if (null? cdr-l)
(string-append s elem)
(loop cdr-l (string-append s elem " ")))))))
;---- Vectors
(define (vector-index v value)
(let ((length (vector-length v))
(index #f))
(for ((i (- length 1) (- i 1)))
(>= i 0)
(if (equal? (vector-ref v i) value) (set! index i)))
;---- Lists
(define (list-first obj lst)
(define (_list-first obj lst index)
(cond ((null? lst) #f)
((equal? obj (car lst)) index)
(else (_list-first obj (cdr lst) (+ index 1)))))
(_list-first obj lst 0))
(define-macro (list-set! lst index value)
(set! ,lst (list->vector ,lst))
(vector-set! ,lst ,index ,value)
(set! ,lst (vector->list ,lst))))
(define (list-remove obj lst)
(define (_list-remove obj lst prev-lst)
(cond ((null? lst) prev-lst)
((equal? obj (car lst)) (append prev-lst (cdr lst)))
(else (_list-remove obj (cdr lst) (append prev-lst
(list (car lst)))))))
(_list-remove obj lst ()))
;---- Tk goodies
(define-macro (widget . etc)
`(string->widget (& ,@etc)))
(define (&& . l)
(if (null? l)
(let loop ((l l) (s ""))
(if (null? (cdr l))
(string-append s (->string (car l)))
(loop (cdr l) (string-append s (->string (car l)) " "))))))
(define-macro (tki-get canvas item option)
`(list-ref (,canvas 'itemconfigure ,item ,option) 2))
(define-macro (tki-set canvas item option value)
`(,canvas 'itemconfigure ,item ,option ,value))
(define-macro (@ x y)
`(& "@" ,x "," ,y))
(define objects-infos-list ())
(define (object-infos obj) (assoc obj objects-infos-list))
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(define (object-type obj) (list-ref (object-infos obj) 1))
(define (object-symbol obj) (list-ref (object-infos obj) 2))
(define (add-object-infos obj)
(set! objects-infos-list
(cons (list obj (inspect::typeof obj) (gensym "__g"))
(define (remove-object-infos obj)
(set! objects-infos-list
(list-remove (object-infos obj) objects-infos-list)))
(define (find-object-infos key)
(let ((found #f))
(do ((l objects-infos-list (cdr l)))
((or found (null? l)) found)
(when (equal? (list-ref (car l) 2) key)
(set! found (list-ref (car l) 0))))))
(define (detailer-type obj-type)
(case obj-type
((vector pair list) 'VPL)
((procedure) 'PROCEDURE)
((widget) 'WIDGET)
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((object) 'STKLOS)
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(else 'UNKNOWN)))
(define (viewer-type obj-type)
(case obj-type
((procedure) 'PROCEDURE)
((widget) 'WIDGET)
(else 'GENERAL)))
(define (update-object obj)
(let* ((obj-val (inspect::eval obj))
(old-type (object-type obj))
(obj-type (inspect::typeof obj-val)))
(unless (equal? old-type obj-type)
(let ((obj-sym (object-symbol obj)))
(remove-object-infos obj)
(set! objects-infos-list
(cons (list obj obj-type obj-sym) objects-infos-list))))
(if (inspected? obj) (inspect-display obj))
(if (detailed? obj)
(if (equal? (detailer-type old-type) (detailer-type obj-type))
(detail-display obj)
(undetail obj)
(if (different? 'UNKNOWN (detailer-type obj-type))
(detail obj)))))
(if (viewed? obj)
(if (equal? (viewer-type old-type) (viewer-type obj-type))
(view-display obj)
(unview obj)
(view obj))))
(update 'idletask)))
;---- Undebug
(define (undebug)
(for-each (lambda (obj-infos)
(let ((obj (car obj-infos)))
(if (symbol? obj) (untrace-var obj))))
(set! inspected-objects-list ())
(for-each (lambda (obj) (destroy (detail-tl-wid obj))) detailed-objects-list)
(set! detailed-objects-list ())
(for-each (lambda (obj) (destroy (view-tl-wid obj))) viewed-objects-list)
(set! viewed-objects-list ())
(set! objects-infos-list ()))
;---- id widget
(define (create-id-widget str)
(define wid [frame str])
(pack [frame (& str ".f1")] :side "top" :fill "x")
(pack [label (& str ".f1.l1") :anchor "w"] :side "left")
(pack [label (& str ".f1.l2")
:relief "groove" :bd 2 :anchor "w" :font MEDIUM_FONT]
:fill "x" :expand "yes")
(pack [frame (& str ".f2")] :side "top" :fill "x")
(pack [label (& str ".f2.l") :anchor "w"] :side "left")
(pack [entry (& str ".f2.e") :relief "sunken" :bd 2]
:fill "x" :expand "yes")
(define (set-id-label1 wid text width)
((widget wid ".f1.l1") 'config :text text :width width))
(define (set-id-label2 wid text width)
((widget wid ".f2.l") 'config :text text :width width))
(define (set-id-object wid text) (tk-set! (widget wid ".f1.l2") :text text))
(define (get-id-object wid) (tk-get (widget wid ".f1.l2") :text))
(define (set-id-value wid text)
((widget wid ".f2.e") 'delete 0 'end)
((widget wid ".f2.e") 'insert 0 text))
(define (get-id-value wid) ((widget wid ".f2.e") 'get))
;---- menu widget
(define (create-menu-widget str)
(define wid [frame str :relief "raised" :bd 2])
(pack [menubutton (& str ".help") :text "Help"] :side "right")
(tk-set! (widget str ".help") :menu [menu (& str ".help.m")])
((widget str ".help.m") 'add 'command :label "STk-inspect"
:command '(stk:make-help STk-inspect-help))
;---- toplevel widget
(define (create-toplevel-widget str)
(define wid [toplevel str])
(pack (create-id-widget (& str ".id")) :side "top" :fill "x" :padx 4 :pady 2)
(pack (create-menu-widget (& str ".menu"))
:side "top" :fill "x" :padx 4 :pady 2)
(define (inspect::shadow-entry e)
(tk-set! e :state "disabled")
(tk-set! e :bd 1)
(tk-set! e :bg "grey50")
(tk-set! e :fg "grey95"))
(define (modifiable-object? obj)
(and (symbol? obj) (symbol-bound? obj) (not (widget? (inspect::eval obj)))))