racket/collects/macro-debugger/syntax-browser/properties.ss
Ryan Culpepper bc02b021b9 Fixed location bug with popup menu
Improved syntax snips

svn: r4492
2006-10-05 06:08:49 +00:00

159 lines
5.4 KiB
Scheme

(module properties mzscheme
(require "prefs.ss"
"interfaces.ss"
"partition.ss"
"util.ss"
(lib "class.ss")
(lib "mred.ss" "mred"))
(provide properties-view%
independent-properties-controller%)
;; independent-properties-controller%
(define independent-properties-controller%
(class* object% (syntax-properties-controller<%>)
(init-field controller)
;; Properties display
(define parent
(new frame% (label "Properties") (height (pref:height))
(width (floor (* (pref:props-percentage) (pref:width))))))
(define pv (new properties-view% (parent parent)))
(define/private (show-properties)
(unless (send parent is-shown?)
(send parent show #t)))
(define/public (set-syntax stx)
(send pv set-syntax stx))
(define/public (show ?)
(send parent show ?))
(define/public (is-shown?)
(send parent is-shown?))
(super-new)))
;; properties-view%
(define properties-view%
(class* object% ()
(init parent)
(define selected-syntax #f)
(define tab-panel (new tab-panel%
(choices (list "Binding" "Source" "Properties"))
(parent parent)
(callback (lambda _ (refresh)))))
(define text (new text%))
(send text set-styles-sticky #f)
(define ecanvas (new editor-canvas% (editor text) (parent tab-panel)))
(define/public (set-syntax stx)
(set! selected-syntax stx)
(refresh))
(define/private (refresh)
(send* text
(lock #f)
(begin-edit-sequence)
(erase))
(when (syntax? selected-syntax)
(let ([s (send tab-panel get-item-label (send tab-panel get-selection))])
(cond [(equal? s "Binding")
(display-binding-info)]
[(equal? s "Source")
(display-source-info)]
[(equal? s "Properties")
(display-properties)])))
(send* text
(end-edit-sequence)
(lock #t)
(scroll-to-position 0)))
(define/private (display-binding-info)
(for-each (lambda (p) (display-binding-kv (car p) ((cdr p) selected-syntax)))
binding-properties))
(define/private (display-binding-kv k v)
(display (format "~a~n" k) key-sd)
(cond [(eq? v 'lexical)
(display "lexical\n" #f)]
[(eq? v #f)
(display "#f (top-level or unbound)\n" #f)]
[(list? v)
(display-subkv "source module" (mpi->string (list-ref v 0)))
(display-subkv "source id" (list-ref v 1))
(display-subkv "nom. module" (mpi->string (list-ref v 2)))
(display-subkv "nom. id" (list-ref v 3))
(if (list-ref v 4)
(display-subkv "phase" "via define-for-syntax"))]
[(void? v)
(display "Not applicable\n" n/a-sd)])
(display "\n" #f))
(define/private (display-subkv k v)
(display (format "~a: " k) sub-key-sd)
(display (format "~a~n" v) #f))
(define/private (display-source-info)
(for-each (lambda (p) (display-subkv (car p) ((cdr p) selected-syntax)))
source-properties))
(define/private (display-properties)
(let ([keys (syntax-property-symbol-keys selected-syntax)])
(if (null? keys)
(display "No properties available" n/a-sd)
(for-each (lambda (k) (display-kv k (syntax-property selected-syntax k)))
keys))))
(define/private (display-kv key value)
(display (format "~a~n" key) key-sd)
(display (format "~s~n~n" value) #f))
(define/private (display item sd)
(let ([p0 (send text last-position)])
(send text insert item)
(let ([p1 (send text last-position)])
(send text change-style sd p0 p1))))
(send text lock #t)
(super-new)))
;; lift/id : (identifier -> void) 'a -> void
(define (lift/id f)
(lambda (stx) (when (identifier? stx) (f stx))))
;; binding-properties : (listof (cons string (syntax -> any)))
(define binding-properties
(list (cons "identifier-binding"
(lift/id identifier-binding))
(cons "identifier-transformer-binding"
(lift/id identifier-transformer-binding))
(cons "identifier-template-binding"
(lift/id identifier-template-binding))))
;; source-properties : (listof (cons string (syntax -> any)))
(define source-properties
(list (cons "syntax-source" syntax-source)
(cons "syntax-source-module"
(lambda (stx) (mpi->string (syntax-source-module stx))))
(cons "syntax-line" syntax-line)
(cons "syntax-position" syntax-position)
(cons "syntax-span" syntax-span)
(cons "syntax-original?" syntax-original?)))
(define key-sd
(let ([sd (new style-delta%)])
(send sd set-delta-foreground "blue")
(send sd set-weight-on 'bold)
sd))
(define sub-key-sd
(let ([sd (new style-delta%)])
(send sd set-delta-foreground "blue")
sd))
(define n/a-sd
(let ([sd (new style-delta%)])
(send sd set-delta-foreground "gray")
sd))
)