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fixed a bug in persistent breakpoint maintenance (handling eval'd exprs

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implemented right-click menu feature to print variable and return values to
  the console (useful when rendering something wider than space around buttons 
  in debug control pane)

svn: r3748
This commit is contained in:
Greg Cooper 2006-07-18 04:24:35 +00:00
parent 1e41bbcffd
commit 7a44d396d1
1 changed files with 28 additions and 19 deletions
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47
collects/mztake/debug-tool.ss
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@ -21,9 +21,7 @@
(provide tool@)
(define (robust-syntax-source stx)
(if (syntax? stx)
(syntax-source stx)
#f))
(and (syntax? stx) (syntax-source stx)))
; QUESTIONS/IDEAS
; what is the right way to deal with macros?
@ -277,17 +275,22 @@
(invalidate-bitmap-cache)))
(let ([pc (send (get-tab) get-pc)])
(if (and pc (= pos pc))
(let ([stat (send (get-tab) get-break-status)]
[f (get-top-level-window)])
(let* ([stat (send (get-tab) get-break-status)]
[f (get-top-level-window)]
[rendered-value (if (= 2 (length stat))
(render (cadr stat))
(format "~a" (cons 'values
(map (lambda (v) (render v)) (rest stat)))))])
(when (cons? stat)
(send (make-object menu-item%
(clean-status
(if (= 2 (length stat))
(format "value = ~a" (render (cadr stat)))
(format "~a" (cons 'values
(map (lambda (v) (render v)) (rest stat))))))
#;(send (make-object menu-item%
(clean-status (format "expr -> ~a" rendered-value))
menu
void) enable #f))
void) enable #f)
(make-object menu-item%
"Print return value to console"
menu
(lambda _ (send (get-tab) print-to-console (format "return val = ~a"
rendered-value)))))
(when (not (eq? stat 'break))
(make-object menu-item%
(if (cons? stat)
@ -335,12 +338,12 @@
[val (mark-binding-value
binding)]
[menu (make-object popup-menu% #f)])
(send (make-object menu-item%
(clean-status
(format "~a = ~a" id-sym val))
menu
(lambda (item evt)
(printf "~a" val))) enable #f)
(make-object menu-item%
(clean-status
(format "Print value of ~a to console" id-sym))
menu
(lambda (item evt)
(send (get-tab) print-to-console (format "~a = ~a" id-sym val))))
(make-object menu-item%
(format "(set! ~a ...)" id-sym)
menu
@ -501,7 +504,8 @@
breakpoints
(lambda (pos status)
; possible efficiency problem for large files with many breakpoints
(when (and (>= pos (syntax-position top-e))
(when (and (syntax-position top-e)
(>= pos (syntax-position top-e))
(< pos (+ (syntax-position top-e) (syntax-span top-e)))
(not (memq pos break-posns)))
(hash-table-remove! breakpoints pos))))
@ -639,6 +643,11 @@
(channel-put result-ch (get-output-string s)))))
(channel-get result-ch)))
(define/public (print-to-console v)
;; ==drscheme eventspace thread==
;; only when a user thread is suspended
(channel-put in-user-ch (lambda () (fprintf (current-error-port) " ### DEBUGGER: ~a~n" v))))
(define/public (suspend-gui frames status)
(set! want-suspend-on-break? #f)
(hash-table-put! breakpoints -1 #f)