762 lines
38 KiB
Scheme
762 lines
38 KiB
Scheme
(module debug-tool mzscheme
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(require (lib "etc.ss")
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(lib "list.ss")
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(lib "string.ss")
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(prefix srfi: (lib "search.ss" "srfi" "1"))
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;(lib "math.ss")
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(lib "class.ss")
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(lib "unitsig.ss")
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;(lib "contract.ss")
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(lib "mred.ss" "mred")
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(prefix drscheme:arrow: (lib "arrow.ss" "drscheme"))
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(lib "tool.ss" "drscheme")
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(lib "marks.ss" "skipper")
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(lib "boundmap.ss" "syntax")
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(prefix kernel: (lib "kerncase.ss" "syntax"))
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(lib "bitmap-label.ss" "mrlib")
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;(lib "framework.ss" "framework")
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#;(lib "string-constant.ss" "string-constants"))
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(provide tool@)
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(define tool@
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(unit/sig drscheme:tool-exports^
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(import drscheme:tool^)
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(define phase1 void)
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(define phase2 void)
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(define (arglist-bindings arglist-stx)
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(syntax-case arglist-stx ()
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[var
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(identifier? arglist-stx)
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(list arglist-stx)]
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[(var ...)
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(syntax->list arglist-stx)]
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[(var . others)
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(cons #'var (arglist-bindings #'others))]))
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(define (annotate-stx stx breakpoints break-wrap record-bound-id)
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(define (top-level-annotate stx)
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(kernel:kernel-syntax-case
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stx #f
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[(module identifier name (#%plain-module-begin . module-level-exprs))
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(quasisyntax/loc stx (module identifier name
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(#%plain-module-begin
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#,@(map module-level-expr-iterator
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(syntax->list #'module-level-exprs)))))]
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[else-stx
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(general-top-level-expr-iterator stx)]))
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(define (module-level-expr-iterator stx)
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(kernel:kernel-syntax-case
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stx #f
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[(provide . provide-specs)
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stx]
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[else-stx
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(general-top-level-expr-iterator stx)]))
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(define (general-top-level-expr-iterator stx)
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(kernel:kernel-syntax-case
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stx #f
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[(define-values (var ...) expr)
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#`(define-values (var ...)
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#,(annotate #`expr (syntax->list #`(var ...)) #t))]
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[(define-syntaxes (var ...) expr)
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stx]
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[(begin . top-level-exprs)
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(quasisyntax/loc stx (begin #,@(map (lambda (expr)
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(module-level-expr-iterator expr))
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(syntax->list #'top-level-exprs))))]
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[(require . require-specs)
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stx]
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[(require-for-syntax . require-specs)
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stx]
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[else
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(annotate stx '() #f)]))
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(define (annotate expr bound-vars is-tail?)
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(define annotate-break?
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(let ([pos (syntax-position expr)]
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[src (syntax-source expr)])
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(and src
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(is-a? src object%) ; FIX THIS
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pos
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(hash-table-get breakpoints pos (lambda () #t))
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(kernel:kernel-syntax-case
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expr #f
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[(if test then) #t]
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[(if test then else) #t]
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[(begin . bodies) #t]
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[(begin0 . bodies) #t]
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[(let-values . clause) #t]
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[(letrec-values . clause) #t]
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[(set! var val) #t]
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[(with-continuation-mark key mark body) #t]
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[(#%app . exprs) #t]
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[_ #f])
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(begin
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(hash-table-put! breakpoints pos #f)
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(hash-table-put! breakpoints (+ pos (syntax-span expr) -1) #f)
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#t))))
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(define (let/rec-values-annotator letrec?)
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(kernel:kernel-syntax-case
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expr #f
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[(label (((var ...) rhs) ...) . bodies)
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(let* ([new-bindings (apply append
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(map syntax->list
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(syntax->list #`((var ...) ...))))]
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[new-rhs (if letrec?
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(map (lambda (expr)
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(annotate expr (append new-bindings bound-vars) #f))
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(syntax->list #`(rhs ...)))
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(map (lambda (expr) (annotate expr bound-vars #f))
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(syntax->list #`(rhs ...))))]
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[last-body (car (reverse (syntax->list #`bodies)))]
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[all-but-last-body (reverse (cdr (reverse (syntax->list #`bodies))))]
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[bodies (append (map (lambda (expr)
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(annotate expr
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(append new-bindings bound-vars) #f))
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all-but-last-body)
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(list (annotate
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last-body
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(append new-bindings bound-vars) is-tail?)))])
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(with-syntax ([(new-rhs/trans ...) new-rhs])
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(quasisyntax/loc expr
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(label (((var ...) new-rhs/trans) ...)
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#,@bodies))))]))
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(define (lambda-clause-annotator clause)
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(kernel:kernel-syntax-case
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clause #f
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[(arg-list . bodies)
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(let* ([new-bound-vars (append (arglist-bindings #`arg-list) bound-vars)]
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[new-bodies (let loop ([bodies (syntax->list #`bodies)])
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(if (equal? '() (cdr bodies))
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(list (annotate (car bodies) new-bound-vars #t))
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(cons (annotate (car bodies) new-bound-vars #f)
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(loop (cdr bodies)))))])
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(quasisyntax/loc clause
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(arg-list #,@new-bodies)))]))
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(define annotated
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(syntax-recertify
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(kernel:kernel-syntax-case
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expr #f
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[var-stx (identifier? (syntax var-stx))
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(let ([binder (and (syntax-original? expr)
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(srfi:member expr bound-vars module-identifier=?))])
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(when binder
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(let ([f (first binder)])
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(record-bound-id f f)
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(record-bound-id expr f)))
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expr)]
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[(lambda . clause)
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(quasisyntax/loc expr
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(lambda #,@(lambda-clause-annotator #`clause)))]
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[(case-lambda . clauses)
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(quasisyntax/loc expr
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(case-lambda #,@(map lambda-clause-annotator (syntax->list #`clauses))))]
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[(if test then)
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(quasisyntax/loc expr (if #,(annotate #`test bound-vars #f)
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#,(annotate #`then bound-vars is-tail?)))]
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[(if test then else)
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(quasisyntax/loc expr (if #,(annotate #`test bound-vars #f)
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#,(annotate #`then bound-vars is-tail?)
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#,(annotate #`else bound-vars is-tail?)))]
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[(begin . bodies)
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(letrec ([traverse
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(lambda (lst)
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(if (and (pair? lst) (equal? '() (cdr lst)))
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`(,(annotate (car lst) bound-vars is-tail?))
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(cons (annotate (car lst) bound-vars #f)
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(traverse (cdr lst)))))])
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(quasisyntax/loc expr (begin #,@(traverse (syntax->list #`bodies)))))]
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[(begin0 . bodies)
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(quasisyntax/loc expr (begin0 #,@(map (lambda (expr)
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(annotate expr bound-vars #f))
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(syntax->list #`bodies))))]
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[(let-values . clause)
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(let/rec-values-annotator #f)]
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[(letrec-values . clause)
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(let/rec-values-annotator #t)]
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[(set! var val)
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(let ([binder (and (syntax-original? #'var)
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(srfi:member #'var bound-vars module-identifier=?))])
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(when binder
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(let ([f (first binder)])
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(record-bound-id f f)
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(record-bound-id expr f)))
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(quasisyntax/loc expr (set! var #,(annotate #`val bound-vars #f))))]
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[(quote _) expr]
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[(quote-syntax _) expr]
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[(with-continuation-mark key mark body)
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(quasisyntax/loc expr (with-continuation-mark key
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#,(annotate #`mark bound-vars #f)
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#,(annotate #`body bound-vars is-tail?)))]
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[(#%app . exprs)
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(let ([subexprs (map (lambda (expr)
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(annotate expr bound-vars #f))
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(syntax->list #`exprs))])
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(if is-tail?
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(quasisyntax/loc expr #,subexprs)
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(wcm-wrap (make-debug-info expr bound-vars bound-vars 'normal #f)
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(quasisyntax/loc expr #,subexprs))))]
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[(#%datum . _) expr]
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[(#%top . var) expr]
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[else (error 'expr-syntax-object-iterator "unknown expr: ~a"
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(syntax-object->datum expr))])
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expr
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(current-code-inspector)
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#f))
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(if annotate-break?
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(break-wrap
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(make-debug-info expr bound-vars bound-vars 'at-break #f)
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annotated
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expr)
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annotated))
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(top-level-annotate stx))
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(define (break-at bp p)
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(hash-table-get bp p))
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(define (truncate str n)
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(substring str 0 (min n (string-length str))))
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(define (debug-definitions-text-mixin super%)
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(class super%
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(inherit dc-location-to-editor-location
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editor-location-to-dc-location
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invalidate-bitmap-cache
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get-canvas)
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(define parent #f)
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(define/public (set-parent! p)
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(set! parent p))
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(define mouse-over-pos #f)
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(define bp-pen (send the-pen-list find-or-create-pen "black" 1 'solid))
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(define bp-brush (send the-brush-list find-or-create-brush "red" 'solid))
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(define bp-mo-pen (send the-pen-list find-or-create-pen "darkgray" 1 'solid))
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(define bp-mo-brush (send the-brush-list find-or-create-brush "pink"
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'solid))
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(define bp-tmp-pen (send the-pen-list find-or-create-pen "black" 1 'solid))
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(define bp-tmp-brush (send the-brush-list find-or-create-brush "yellow"
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'solid))
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(define pc-pen (send the-pen-list find-or-create-pen "black" 1 'solid))
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(define pc-brush (send the-brush-list find-or-create-brush "forestgreen" 'solid))
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(define pc-err-pen (send the-pen-list find-or-create-pen "black" 1 'solid))
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(define pc-err-brush (send the-brush-list find-or-create-brush "red" 'solid))
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(define pc-brk-pen (send the-pen-list find-or-create-pen "black" 1 'solid))
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(define pc-brk-brush (send the-brush-list find-or-create-brush "gray" 'solid))
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(super-instantiate ())
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(define/private (get-pos/text event)
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(let ([event-x (send event get-x)]
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[event-y (send event get-y)]
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[on-it? (box #f)])
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(let loop ([editor this])
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(let-values ([(x y) (send editor dc-location-to-editor-location
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event-x event-y)])
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(cond
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[(is-a? editor text%)
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(let ([pos (send editor find-position x y #f on-it?)])
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(cond
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[(not (unbox on-it?)) (values #f #f)]
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[else
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(let ([snip (send editor find-snip pos 'after-or-none)])
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(if (and snip
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(is-a? snip editor-snip%))
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(loop (send snip get-editor))
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(values pos editor)))]))]
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[(is-a? editor pasteboard%)
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(let ([snip (send editor find-snip x y)])
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(if (and snip
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(is-a? snip editor-snip%))
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(loop (send snip get-editor))
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(values #f #f)))]
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[else (values #f #f)])))))
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(define/private (find-char-box text left-pos right-pos)
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(let ([xlb (box 0)]
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[ylb (box 0)]
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[xrb (box 0)]
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[yrb (box 0)])
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(send text position-location left-pos xlb ylb #t)
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(send text position-location right-pos xrb yrb #f)
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(let*-values ([(xl-off yl-off) (send text editor-location-to-dc-location
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(unbox xlb) (unbox ylb))]
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[(xl yl) (dc-location-to-editor-location xl-off yl-off)]
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[(xr-off yr-off) (send text editor-location-to-dc-location
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(unbox xrb) (unbox yrb))]
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[(xr yr) (dc-location-to-editor-location xr-off yr-off)])
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(values xl yl xr yr))))
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(define/override (on-event event)
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(if (and parent (send parent debug?))
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(let ([breakpoints (send parent get-breakpoints)])
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(cond
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[(send event leaving?)
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(when mouse-over-pos
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(set! mouse-over-pos #f)
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(invalidate-bitmap-cache))]
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[(or (send event moving?)
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(send event entering?))
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(let-values ([(pos text) (get-pos/text event)])
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(when (and pos text)
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(cond
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; mouse on breakable pos and hasn't moved significantly
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[(eq? (add1 pos) mouse-over-pos)]
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; mouse on new breakable pos
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[(not (eq? (hash-table-get
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breakpoints
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(add1 pos) (lambda () 'invalid)) 'invalid))
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(set! mouse-over-pos (add1 pos))
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(invalidate-bitmap-cache)]
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; moved off breakable pos
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[mouse-over-pos
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(set! mouse-over-pos #f)
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(invalidate-bitmap-cache)]))
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(super on-event event))]
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[(send event button-down? 'right)
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(let-values ([(pos text) (get-pos/text event)])
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(if (and pos text)
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(let* ([pos (add1 pos)]
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[break-status (hash-table-get breakpoints pos (lambda () 'invalid))])
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(case break-status
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[(#t #f)
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(let ([menu (make-object popup-menu% #f)])
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(make-object menu-item%
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"Toggle breakpoint"
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menu
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(lambda (item evt)
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(hash-table-put! breakpoints pos (not break-status))
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(invalidate-bitmap-cache)))
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(let ([pc (send parent get-pc)])
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(if (and pc (= pos pc))
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(let ([stat (send parent get-break-status)])
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(when (cons? stat)
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(send (make-object menu-item%
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(truncate
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(if (= 2 (length stat))
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(format "value = ~a" (cadr stat))
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(format "~a" (cons 'values (rest stat))))
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200)
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menu
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void) enable #f))
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(when (not (eq? stat 'break))
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(make-object menu-item%
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(if (cons? stat)
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"Change return value..."
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"Skip expression...")
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menu
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(lambda (item evt)
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(let ([tmp
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(get-text-from-user "Return value" #f)])
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(when tmp
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(send parent set-break-status
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(list 'exit-break (eval-string tmp)))))))))
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(make-object menu-item%
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"Run up to this location"
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menu
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(lambda (item evt)
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(hash-table-put!
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breakpoints pos
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(lambda () (hash-table-put! breakpoints pos #f) #t))
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(invalidate-bitmap-cache)
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(when (send parent get-stack-frames)
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(send parent resume))))))
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(send (get-canvas) popup-menu menu
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(+ 1 (inexact->exact (floor (send event get-x))))
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(+ 1 (inexact->exact (floor (send event get-y))))))]
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[(invalid)
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(if parent
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(let* ([frames (send parent get-stack-frames)]
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[pos-vec (send parent get-pos-vec)]
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[id (vector-ref pos-vec pos)]
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#;[_ (printf "frames = ~a~npos-vec = ~a~nid = ~a~n"
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frames pos-vec id)])
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(unless (and
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id frames
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(let/ec k
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(let* ([id-sym (syntax-e id)]
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[binding (lookup-first-binding
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(lambda (id2) (module-identifier=? id id2))
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frames (lambda () (k #f)))]
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[val (mark-binding-value
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binding)]
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[menu (make-object popup-menu% #f)])
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(send (make-object menu-item%
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(truncate
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(format "~a = ~a" id-sym val)
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200)
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menu
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(lambda (item evt)
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(printf "~a" val))) enable #f)
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(make-object menu-item%
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(format "(set! ~a ...)" id-sym)
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menu
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(lambda (item evt)
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(let ([tmp
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(get-text-from-user
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(format "New value for ~a" id-sym) #f #f
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(format "~a" val))])
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(when tmp
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(mark-binding-set! binding (eval-string tmp))))))
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(send (get-canvas) popup-menu menu
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(+ 1 (inexact->exact (floor (send event get-x))))
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(+ 1 (inexact->exact (floor (send event get-y)))))
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#t)))
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(super on-event event)))
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(super on-event event))]))
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(super on-event event)))]
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[else (super on-event event)]))
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(super on-event event)))
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(define/override (on-paint before dc left top right bottom dx dy draw-caret)
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(super on-paint before dc left top right bottom dx dy draw-caret)
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(when (and parent (send parent debug?) (not before))
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(let ([breakpoints (send parent get-breakpoints)])
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(hash-table-for-each
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breakpoints
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(lambda (pos enabled?)
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(when (and (>= pos 0) (or enabled? (and mouse-over-pos (= mouse-over-pos pos))))
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(let*-values ([(xl yl xr yr) (find-char-box this (sub1 pos) pos)]
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[(diameter) (- xr xl)]
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[(yoff) (/ (- yr yl diameter) 2)])
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(let ([op (send dc get-pen)]
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[ob (send dc get-brush)])
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(case enabled?
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[(#t) (send dc set-pen bp-pen)
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(send dc set-brush bp-brush)]
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[(#f) (send dc set-pen bp-mo-pen)
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(send dc set-brush bp-mo-brush)]
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[else (send dc set-pen bp-tmp-pen)
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(send dc set-brush bp-tmp-brush)])
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;(drscheme:arrow:draw-arrow dc xl yl xr yr dx dy)
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(send dc draw-ellipse (+ xl dx) (+ yl dy yoff) diameter diameter)
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#;(send dc draw-polygon stop-sign
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(+ xl dx)
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(+ yl dy 2))
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(send dc set-pen op)
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(send dc set-brush ob))))))
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(let ([pos (send parent get-pc)])
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(when pos
|
|
(let*-values ([(xl yl xr yr) (find-char-box this (sub1 pos) pos)]
|
|
[(ym) (/ (+ yl yr) 2)])
|
|
(let ([op (send dc get-pen)]
|
|
[ob (send dc get-brush)])
|
|
(case (send parent get-break-status)
|
|
[(error) (send dc set-pen pc-err-pen)
|
|
(send dc set-brush pc-err-brush)]
|
|
[(break) (send dc set-pen pc-brk-pen)
|
|
(send dc set-brush pc-brk-brush)]
|
|
[else (send dc set-pen pc-pen)
|
|
(send dc set-brush pc-brush)]))
|
|
(drscheme:arrow:draw-arrow dc xl ym xr ym dx dy)))))))))
|
|
|
|
(define (debug-interactions-text-mixin super%)
|
|
(class super%
|
|
|
|
(inherit run-in-evaluation-thread
|
|
display-results)
|
|
|
|
(define parent #f)
|
|
(define/public (set-parent! p)
|
|
(set! parent p))
|
|
|
|
(super-instantiate ())
|
|
|
|
;; make-debug-eval-handler : (sexp -> value) -> sexp -> value
|
|
;; adds debugging information to `sexp' and calls `oe'
|
|
(define/private (make-debug-eval-handler oe break? break)
|
|
(lambda (orig-exp)
|
|
(if (or (compiled-expression? (if (syntax? orig-exp)
|
|
(syntax-e orig-exp)
|
|
orig-exp))
|
|
(not parent)
|
|
(not (syntax-source orig-exp))
|
|
(not (eq? (syntax-source orig-exp)
|
|
(send parent get-definitions-text))))
|
|
(oe orig-exp)
|
|
(let loop ([exp (if (syntax? orig-exp)
|
|
orig-exp
|
|
(namespace-syntax-introduce
|
|
(datum->syntax-object #f orig-exp)))])
|
|
(let ([top-e (expand-syntax-to-top-form exp)])
|
|
(syntax-case top-e (begin)
|
|
[(begin expr ...)
|
|
;; Found a `begin', so expand/eval each contained
|
|
;; expression one at a time
|
|
(let i-loop ([exprs (syntax->list #'(expr ...))]
|
|
[last-one (list (void))])
|
|
(cond
|
|
[(null? exprs) (apply values last-one)]
|
|
[else (i-loop (cdr exprs)
|
|
(call-with-values
|
|
(lambda () (loop (car exprs)))
|
|
list))]))]
|
|
[_else
|
|
;; Not `begin', so proceed with normal expand and eval
|
|
(let* ([breakpoints (send parent get-breakpoints)]
|
|
[pos-vec (send parent get-pos-vec)]
|
|
[annotated
|
|
(annotate-stx
|
|
(expand-syntax top-e)
|
|
breakpoints
|
|
(lambda (debug-info annotated raw)
|
|
(let* ([start (syntax-position raw)]
|
|
[end (+ start (syntax-span raw) -1)])
|
|
#`(let-values ([(value-list) #f])
|
|
(if (#,break? #,start)
|
|
(set! value-list (#,break (current-continuation-marks)
|
|
'entry-break #,debug-info)))
|
|
(if (not value-list)
|
|
(call-with-values
|
|
(lambda () #,annotated)
|
|
(case-lambda
|
|
[(val) (if (#,break? #,end)
|
|
(apply values
|
|
(#,break (current-continuation-marks)
|
|
(list 'exit-break val) #,debug-info))
|
|
val)]
|
|
[vals (apply values
|
|
(if (#,break? #,end)
|
|
(#,break (current-continuation-marks)
|
|
(cons 'exit-break vals) #,debug-info)
|
|
vals))]))
|
|
(apply values
|
|
(if (#,break? #,end)
|
|
(#,break (current-continuation-marks)
|
|
(cons 'exit-break value-list) #,debug-info)
|
|
value-list))))))
|
|
(lambda (bound binding)
|
|
;(display-results (list bound))
|
|
(let loop ([i 0])
|
|
(when (< i (syntax-span bound))
|
|
(vector-set! pos-vec (+ i (syntax-position bound)) binding)
|
|
(loop (add1 i))))))])
|
|
;(display-results (list orig-exp))
|
|
(oe annotated))]))))))
|
|
|
|
(define/override (reset-console)
|
|
(super reset-console)
|
|
(when (and parent (send parent debug?))
|
|
(let ([breakpoints (send parent get-breakpoints)])
|
|
(run-in-evaluation-thread
|
|
(lambda ()
|
|
(let ([self (current-thread)]
|
|
[oeh (current-exception-handler)]
|
|
[err-hndlr (error-display-handler)])
|
|
(error-display-handler
|
|
(lambda (msg exn)
|
|
(err-hndlr msg exn)
|
|
(if (eq? self (current-thread))
|
|
(send parent suspend oeh
|
|
(continuation-mark-set->list (exn-continuation-marks exn) debug-key)
|
|
'error)))) ; this breaks the buttons because it looks like we can resume
|
|
(current-eval
|
|
(make-debug-eval-handler
|
|
(current-eval)
|
|
(lambda (pos)
|
|
(or (hash-table-get breakpoints -1)
|
|
(let ([bp (hash-table-get breakpoints pos)])
|
|
(if (procedure? bp)
|
|
(bp)
|
|
bp))))
|
|
(lambda (ccm kind info)
|
|
(let* ([debug-marks (continuation-mark-set->list ccm debug-key)])
|
|
(send parent suspend oeh (cons info debug-marks) kind)))))
|
|
(current-exception-handler
|
|
(lambda (exn)
|
|
(if (and (exn:break? exn) (send parent suspend-on-break?))
|
|
(let ([marks (exn-continuation-marks exn)]
|
|
[cont (exn:break-continuation exn)])
|
|
(thread (lambda ()
|
|
(raise
|
|
(make-exn:break
|
|
(string->immutable-string
|
|
(format "~a (suspending)" (exn-message exn)))
|
|
marks
|
|
cont))))
|
|
(send parent suspend oeh (continuation-mark-set->list marks debug-key) 'break)
|
|
(cont))
|
|
(oeh exn))))))))))))
|
|
|
|
(define (debug-unit-frame-mixin super%)
|
|
(class super%
|
|
|
|
(inherit get-button-panel
|
|
get-definitions-text
|
|
get-interactions-text
|
|
get-menu-bar
|
|
break-callback
|
|
reset-offer-kill)
|
|
|
|
(super-instantiate ())
|
|
|
|
(define breakpoints (make-hash-table))
|
|
(hash-table-put! breakpoints -1 #f)
|
|
(define resume-sem (make-semaphore))
|
|
(define want-suspend-on-break? #f)
|
|
(define want-debug? #f)
|
|
(define/public (debug?)
|
|
want-debug?)
|
|
(define stack-frames #f)
|
|
(define pos-vec (make-vector 1))
|
|
(define/public (suspend-on-break?)
|
|
want-suspend-on-break?)
|
|
(define/public (get-stack-frames)
|
|
stack-frames)
|
|
(define/public (get-pos-vec)
|
|
pos-vec)
|
|
(define/public (get-breakpoints)
|
|
breakpoints)
|
|
(define in-execute? #f)
|
|
(define/public (running-defs?)
|
|
in-execute?)
|
|
(define break-status #f)
|
|
(define/public (get-break-status)
|
|
break-status)
|
|
(define/public (set-break-status stat)
|
|
(set! break-status stat))
|
|
(define control-panel #f)
|
|
(define/public (resume)
|
|
(semaphore-post resume-sem))
|
|
|
|
(define/public (get-pc)
|
|
(if (cons? stack-frames)
|
|
(let* ([src-stx (mark-source (first stack-frames))]
|
|
[start (syntax-position src-stx)]
|
|
[end (+ start (syntax-span src-stx) -1)])
|
|
(if (cons? break-status)
|
|
end
|
|
start))
|
|
#f))
|
|
|
|
(define/public suspend
|
|
(opt-lambda (break-handler frames [status #f])
|
|
(set! want-suspend-on-break? #f)
|
|
(hash-table-put! breakpoints -1 #f)
|
|
;(fprintf (current-error-port) "break: ~a~n" (map expose-mark frames))
|
|
;(printf "status = ~a~n" status)
|
|
(let ([osf stack-frames]
|
|
[obs break-status])
|
|
(set! stack-frames frames)
|
|
(set! break-status status)
|
|
(send (get-definitions-text) scroll-to-position (get-pc))
|
|
(send (get-definitions-text) invalidate-bitmap-cache)
|
|
(with-handlers ([exn:break? break-handler])
|
|
(semaphore-wait/enable-break resume-sem))
|
|
(begin0
|
|
(if (cons? break-status)
|
|
(rest break-status)
|
|
#f)
|
|
(set! stack-frames osf)
|
|
(set! break-status obs)
|
|
(send (get-definitions-text) invalidate-bitmap-cache)))))
|
|
|
|
(define (my-execute debug?)
|
|
(set! want-debug? debug?)
|
|
(when control-panel
|
|
(send control-panel show #f)
|
|
(set! control-panel #f))
|
|
(when debug?
|
|
(make-control-panel))
|
|
(set! breakpoints (make-hash-table))
|
|
(hash-table-put! breakpoints -1 #t)
|
|
(set! pos-vec (make-vector (add1 (send (get-definitions-text) last-position)) #f))
|
|
(set! resume-sem (make-semaphore))
|
|
(set! want-suspend-on-break? #f)
|
|
(set! stack-frames #f)
|
|
(send (get-definitions-text) set-parent! this)
|
|
(send (get-interactions-text) set-parent! this)
|
|
(fluid-let ([in-execute? #t])
|
|
(super execute-callback)))
|
|
|
|
(define/override (execute-callback)
|
|
(my-execute #f))
|
|
|
|
(define debug-button
|
|
(make-object button%
|
|
((bitmap-label-maker
|
|
"Debug"
|
|
(build-path (collection-path "skipper") "icon-small.png")) this)
|
|
(get-button-panel)
|
|
(lambda (button evt)
|
|
(my-execute #t))))
|
|
|
|
(define/augment (on-close)
|
|
(when control-panel
|
|
(send control-panel show #f))
|
|
(inner (void) on-close))
|
|
|
|
(define/augment (enable-evaluation)
|
|
(send debug-button enable #t)
|
|
(inner (void) enable-evaluation))
|
|
|
|
(define/augment (disable-evaluation)
|
|
(send debug-button enable #f)
|
|
(inner (void) disable-evaluation))
|
|
|
|
(define (make-control-panel)
|
|
(set! control-panel (make-object frame% "Debugging Controls" this))
|
|
(let ([container (make-object vertical-panel% control-panel)])
|
|
(make-object button%
|
|
"Break"
|
|
container
|
|
(lambda (button evt)
|
|
(if stack-frames
|
|
(bell)
|
|
(begin
|
|
(set! want-suspend-on-break? #t)
|
|
(break-callback)
|
|
(reset-offer-kill)))))
|
|
(make-object button%
|
|
"Resume";(debugger-bitmap this)
|
|
container
|
|
(lambda (button evt)
|
|
(if stack-frames
|
|
(semaphore-post resume-sem)
|
|
(bell))))
|
|
(make-object button%
|
|
"Step"
|
|
container
|
|
(lambda (btn evt)
|
|
(if stack-frames
|
|
(begin
|
|
(hash-table-put! breakpoints -1 #t)
|
|
(semaphore-post resume-sem))
|
|
(bell))))
|
|
(send control-panel show #t)))
|
|
|
|
(send (get-button-panel) change-children
|
|
(lambda (_)
|
|
(cons debug-button
|
|
(remq debug-button _))))))
|
|
|
|
(drscheme:get/extend:extend-definitions-text debug-definitions-text-mixin)
|
|
(drscheme:get/extend:extend-interactions-text debug-interactions-text-mixin)
|
|
(drscheme:get/extend:extend-unit-frame debug-unit-frame-mixin)))) |