634 lines
30 KiB
Scheme
634 lines
30 KiB
Scheme
#lang scheme/base
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(provide (all-defined-out))
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(require string-constants/string-constant
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scheme/unit
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scheme/contract
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scheme/class
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drscheme/tool
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mzlib/list
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syntax/toplevel
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syntax/boundmap
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mrlib/bitmap-label
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(prefix-in drscheme:arrow: drscheme/arrow)
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(prefix-in fw: framework/framework)
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mred/mred
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setup/xref
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scribble/xref
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scribble/manual-struct
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net/url
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net/uri-codec
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browser/external
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(for-syntax scheme/base)
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"extra-stxcase.ss"
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"id-sets.ss"
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"extra-typed.ss"
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"utils.ss")
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;
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;
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;
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; ;
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; ;
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; ; ; ;
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; ;;; ; ; ; ;; ;;;; ;;; ; ; ;;;; ; ; ;;; ; ; ;;; ; ; ;;; ;;; ; ;;;
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; ; ; ; ;; ; ; ; ; ; ; ; ;; ; ; ; ; ; ; ;; ; ; ; ; ;
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; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;; ; ; ;;
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; ;; ; ; ; ; ; ;;;; ; ; ; ;;;; ; ; ;;;;;; ; ;; ;;;; ; ;;
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; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
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; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
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; ;;; ; ; ; ;; ;;;;; ; ; ;; ; ;;;;; ; ;;;; ; ;;; ;;;;; ; ;;;
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; ;
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; ;
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; ;
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;; annotate-basic : syntax
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;; namespace
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;; string[directory]
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;; syntax[id]
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;; id-set (six of them)
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;; hash-table[require-spec -> syntax] (three of them)
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;; -> void
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(define (annotate-basic sexp user-namespace user-directory jump-to-id
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low-binders high-binders
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low-varrefs high-varrefs
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low-tops high-tops
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templrefs
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requires require-for-syntaxes require-for-templates require-for-labels)
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(let ([tail-ht (make-hash-table)]
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[maybe-jump
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(λ (vars)
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(when jump-to-id
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(for-each (λ (id)
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(let ([binding (identifier-binding id)])
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(when (pair? binding)
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(let ([nominal-source-id (list-ref binding 3)])
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(when (eq? nominal-source-id jump-to-id)
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(jump-to id))))))
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(syntax->list vars))))])
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(let level-loop ([sexp sexp]
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[high-level? #f])
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(let* ([loop (λ (sexp) (level-loop sexp high-level?))]
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[varrefs (if high-level? high-varrefs low-varrefs)]
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[binders (if high-level? high-binders low-binders)]
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[tops (if high-level? high-tops low-tops)]
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[collect-general-info
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(λ (stx)
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(add-origins stx varrefs)
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(add-disappeared-bindings stx binders varrefs)
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(add-disappeared-uses stx varrefs))])
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(collect-general-info sexp)
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(syntax-case* sexp (#%plain-lambda case-lambda if begin begin0 let-values letrec-values set!
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quote quote-syntax with-continuation-mark
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#%plain-app #%top #%plain-module-begin
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define-values define-syntaxes define-values-for-syntax module
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#%require #%provide #%expression)
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(if high-level? free-transformer-identifier=? free-identifier=?)
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[(#%plain-lambda args bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position/last sexp (syntax->list (syntax (bodies ...))) tail-ht)
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(add-binders (syntax args) binders)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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[(case-lambda [argss bodiess ...]...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each (λ (bodies/stx) (annotate-tail-position/last sexp
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(syntax->list bodies/stx)
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tail-ht))
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(syntax->list (syntax ((bodiess ...) ...))))
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(for-each
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(λ (args bodies)
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(add-binders args binders)
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(for-each loop (syntax->list bodies)))
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(syntax->list (syntax (argss ...)))
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(syntax->list (syntax ((bodiess ...) ...)))))]
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[(if test then else)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax then) tail-ht)
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(annotate-tail-position sexp (syntax else) tail-ht)
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(loop (syntax test))
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(loop (syntax else))
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(loop (syntax then)))]
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[(begin bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position/last sexp (syntax->list (syntax (bodies ...))) tail-ht)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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;; treat a single body expression specially, since this has
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;; different tail behavior.
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[(begin0 body)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax body) tail-ht)
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(loop (syntax body)))]
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[(begin0 bodies ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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[(let-values (bindings ...) bs ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each collect-general-info (syntax->list (syntax (bindings ...))))
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(annotate-tail-position/last sexp (syntax->list (syntax (bs ...))) tail-ht)
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(with-syntax ([(((xss ...) es) ...) (syntax (bindings ...))])
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(for-each (λ (x) (add-binders x binders))
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(syntax->list (syntax ((xss ...) ...))))
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(for-each loop (syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (bs ...))))))]
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[(letrec-values (bindings ...) bs ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each collect-general-info (syntax->list (syntax (bindings ...))))
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(annotate-tail-position/last sexp (syntax->list (syntax (bs ...))) tail-ht)
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(with-syntax ([(((xss ...) es) ...) (syntax (bindings ...))])
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(for-each (λ (x) (add-binders x binders))
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(syntax->list (syntax ((xss ...) ...))))
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(for-each loop (syntax->list (syntax (es ...))))
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(for-each loop (syntax->list (syntax (bs ...))))))]
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[(set! var e)
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(begin
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(annotate-raw-keyword sexp varrefs)
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;; tops are used here because a binding free use of a set!'d variable
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;; is treated just the same as (#%top . x).
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(when (syntax-original? (syntax var))
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(if (identifier-binding (syntax var))
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(add-id varrefs (syntax var))
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(add-id tops (syntax var))))
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(loop (syntax e)))]
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[(quote datum)
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;(color-internal-structure (syntax datum) constant-style-name)
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(annotate-raw-keyword sexp varrefs)]
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[(quote-syntax datum)
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;(color-internal-structure (syntax datum) constant-style-name)
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(annotate-raw-keyword sexp varrefs)
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(let loop ([stx #'datum])
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(cond [(identifier? stx)
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(when (syntax-original? stx)
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(add-id templrefs stx))]
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[(syntax? stx)
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(loop (syntax-e stx))]
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[(pair? stx)
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(loop (car stx))
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(loop (cdr stx))]
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[(vector? stx)
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(for-each loop (vector->list stx))]
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[(box? stx)
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(loop (unbox stx))]
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[else (void)]))]
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[(with-continuation-mark a b c)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(annotate-tail-position sexp (syntax c) tail-ht)
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(loop (syntax a))
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(loop (syntax b))
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(loop (syntax c)))]
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[(#%plain-app pieces ...)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(for-each loop (syntax->list (syntax (pieces ...)))))]
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[(#%top . var)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(when (syntax-original? (syntax var))
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(add-id tops (syntax var))))]
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[(define-values vars b)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax vars) binders)
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(maybe-jump (syntax vars))
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(loop (syntax b)))]
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[(define-syntaxes names exp)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax names) binders)
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(maybe-jump (syntax names))
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(level-loop (syntax exp) #t))]
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[(define-values-for-syntax names exp)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(add-binders (syntax names) high-binders)
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(maybe-jump (syntax names))
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(level-loop (syntax exp) #t))]
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[(module m-name lang (#%plain-module-begin bodies ...))
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(begin
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(annotate-raw-keyword sexp varrefs)
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((annotate-require-open user-namespace user-directory) (syntax lang))
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;; temporarily removed until Matthew fixes whatever.
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#;
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(hash-table-put! requires
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(syntax->datum (syntax lang))
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(cons (syntax lang)
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(hash-table-get requires
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(syntax->datum (syntax lang))
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(λ () '()))))
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(for-each loop (syntax->list (syntax (bodies ...)))))]
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; top level or module top level only:
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[(#%require require-specs ...)
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(let ([at-phase
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(lambda (stx requires)
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(syntax-case stx ()
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[(_ require-specs ...)
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(let ([new-specs (map trim-require-prefix
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(syntax->list (syntax (require-specs ...))))])
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(annotate-raw-keyword sexp varrefs)
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(for-each (annotate-require-open user-namespace user-directory) new-specs)
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(for-each (add-require-spec requires)
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new-specs
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(syntax->list (syntax (require-specs ...)))))]))])
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(for-each (lambda (spec)
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(syntax-case* spec (for-syntax for-template for-label) (lambda (a b)
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(eq? (syntax-e a) (syntax-e b)))
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[(for-syntax specs ...)
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(at-phase spec require-for-syntaxes)]
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[(for-template specs ...)
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(at-phase spec require-for-templates)]
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[(for-label specs ...)
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(at-phase spec require-for-labels)]
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[else
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(at-phase (list #f spec) requires)]))
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(syntax->list #'(require-specs ...))))]
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; module top level only:
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[(#%provide provide-specs ...)
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(let ([provided-varss (map extract-provided-vars
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(syntax->list (syntax (provide-specs ...))))])
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(annotate-raw-keyword sexp varrefs)
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(for-each (λ (provided-vars)
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(for-each
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(λ (provided-var)
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(when (syntax-original? provided-var)
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(add-id varrefs provided-var)))
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provided-vars))
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provided-varss))]
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[(#%expression arg)
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(begin
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(annotate-raw-keyword sexp varrefs)
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(loop #'arg))]
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[id
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(identifier? (syntax id))
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(when (syntax-original? sexp)
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(add-id varrefs sexp))]
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[_
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(begin
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#;
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(printf "unknown stx: ~e datum: ~e source: ~e\n"
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sexp
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(and (syntax? sexp)
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(syntax->datum sexp))
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(and (syntax? sexp)
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(syntax-source sexp)))
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(void))])))
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(add-tail-ht-links tail-ht)))
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;; jump-to : syntax -> void
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(define (jump-to stx)
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(let ([src (find-source-editor stx)]
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[pos (syntax-position stx)]
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[span (syntax-span stx)])
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(when (and (is-a? src text%)
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pos
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span)
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(send src set-position (- pos 1) (+ pos span -1)))))
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;; annotate-require-open : namespace string -> (stx -> void)
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;; relies on current-module-name-resolver, which in turn depends on
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;; current-directory and current-namespace
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(define (annotate-require-open user-namespace user-directory)
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(λ (require-spec)
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(when (syntax-original? require-spec)
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(let ([source (find-source-editor require-spec)])
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(when (and (is-a? source text%)
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(syntax-position require-spec)
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(syntax-span require-spec))
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(let ([defs-text (get-defs-text)])
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(when defs-text
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(let* ([start (- (syntax-position require-spec) 1)]
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[end (+ start (syntax-span require-spec))]
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[file (get-require-filename (syntax->datum require-spec)
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user-namespace
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user-directory)])
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(when file
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(send defs-text syncheck:add-menu
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source
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start end
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#f
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(make-require-open-menu file)))))))))))
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;; hash-table[syntax -o> (listof syntax)] -> void
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(define (add-tail-ht-links tail-ht)
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(hash-table-for-each
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tail-ht
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(λ (stx-from stx-tos)
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(for-each (λ (stx-to) (add-tail-ht-link stx-from stx-to))
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stx-tos))))
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;; add-tail-ht-link : syntax syntax -> void
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(define (add-tail-ht-link from-stx to-stx)
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(let* ([to-src (find-source-editor to-stx)]
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[from-src (find-source-editor from-stx)]
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[defs-text (get-defs-text)])
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(when (and to-src from-src defs-text)
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(let ([from-pos (syntax-position from-stx)]
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[to-pos (syntax-position to-stx)])
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(when (and from-pos to-pos)
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(send defs-text syncheck:add-tail-arrow
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from-src (- from-pos 1)
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to-src (- to-pos 1)))))))
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;; find-source : definitions-text source -> editor or false
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(define (find-source-editor stx)
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(let ([defs-text (get-defs-text)])
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(and defs-text
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(let txt-loop ([text defs-text])
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(cond
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[(and (is-a? text fw:text:basic<%>)
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(send text port-name-matches? (syntax-source stx)))
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text]
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[else
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(let snip-loop ([snip (send text find-first-snip)])
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(cond
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[(not snip)
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#f]
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[(and (is-a? snip editor-snip%)
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(send snip get-editor))
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(or (txt-loop (send snip get-editor))
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(snip-loop (send snip next)))]
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[else
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(snip-loop (send snip next))]))])))))
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;; get-defs-text : -> text or false
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(define (get-defs-text)
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(let ([drs-frame (currently-processing-drscheme-frame)])
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(and drs-frame
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(send drs-frame get-definitions-text))))
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;; record-renamable-var : rename-ht syntax -> void
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(define (record-renamable-var rename-ht stx)
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(let ([key (list (syntax-source stx) (syntax-position stx) (syntax-span stx))])
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(hash-table-put! rename-ht
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key
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(cons stx (hash-table-get rename-ht key (λ () '()))))))
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;; connect-identifier : syntax
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;; id-set
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;; (union #f hash-table)
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;; (union #f hash-table)
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;; (union identifier-binding identifier-transformer-binding)
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;; (listof id-set)
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;; namespace
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;; directory
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;; boolean
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;; -> void
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;; adds arrows and rename menus for binders/bindings
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(define (connect-identifier var rename-ht all-binders unused requires get-binding user-namespace user-directory actual?)
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(connect-identifier/arrow var all-binders unused requires get-binding user-namespace user-directory actual?)
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(when (and actual? (get-ids all-binders var))
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(record-renamable-var rename-ht var)))
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;; connect-identifier/arrow : syntax
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;; id-set
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;; (union #f hash-table)
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;; (union #f hash-table)
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;; (union identifier-binding identifier-transformer-binding)
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;; boolean
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;; -> void
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;; adds the arrows that correspond to binders/bindings
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(define (connect-identifier/arrow var all-binders unused requires get-binding user-namespace user-directory actual?)
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(let ([binders (get-ids all-binders var)])
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(when binders
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(for-each (λ (x)
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(when (syntax-original? x)
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(connect-syntaxes x var actual?)))
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binders))
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(when (and unused requires)
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(let ([req-path/pr (get-module-req-path (get-binding var))])
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(when req-path/pr
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(let* ([req-path (car req-path/pr)]
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[id (cdr req-path/pr)]
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[req-stxes (hash-table-get requires req-path (λ () #f))])
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(when req-stxes
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(hash-table-remove! unused req-path)
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(for-each (λ (req-stx)
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(when (id/require-match? (syntax->datum var)
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id
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(syntax->datum req-stx))
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(when id
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(add-jump-to-definition
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var
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id
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(get-require-filename req-path user-namespace user-directory)))
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(add-mouse-over var (fw:gui-utils:format-literal-label (string-constant cs-mouse-over-import)
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(syntax-e var)
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req-path))
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(connect-syntaxes req-stx var actual?)))
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req-stxes))))))))
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(define (id/require-match? var id req-stx)
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(cond
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[(and (pair? req-stx)
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(eq? (list-ref req-stx 0) 'prefix))
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(let ([prefix (list-ref req-stx 1)])
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(equal? (format "~a~a" prefix id)
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(symbol->string var)))]
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[(and (pair? req-stx)
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(eq? (list-ref req-stx 0) 'prefix-all-except))
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(let ([prefix (list-ref req-stx 1)])
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(and (not (memq id (cdddr req-stx)))
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(equal? (format "~a~a" prefix id)
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(symbol->string var))))]
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[(and (pair? req-stx)
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(eq? (list-ref req-stx 0) 'rename))
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(eq? (list-ref req-stx 2)
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var)]
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[else (eq? var id)]))
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;; color/connect-top : namespace directory id-set syntax -> void
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(define (color/connect-top rename-ht user-namespace user-directory binders var)
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(let ([top-bound?
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(or (get-ids binders var)
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(parameterize ([current-namespace user-namespace])
|
|
(let/ec k
|
|
(namespace-variable-value (syntax-e var) #t (λ () (k #f)))
|
|
#t)))])
|
|
(if top-bound?
|
|
(color var lexically-bound-variable-style-name)
|
|
(color var error-style-name))
|
|
(connect-identifier var rename-ht binders #f #f identifier-binding user-namespace user-directory #t)))
|
|
|
|
|
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;; color-unused : hash-table[sexp -o> syntax] hash-table[sexp -o> #f] -> void
|
|
(define (color-unused requires unused)
|
|
(hash-table-for-each
|
|
unused
|
|
(λ (k v)
|
|
(for-each (λ (stx) (color stx error-style-name))
|
|
(hash-table-get requires k)))))
|
|
|
|
|
|
|
|
|
|
;
|
|
;
|
|
;
|
|
; ;
|
|
; ;
|
|
;
|
|
; ; ;; ;;; ;;;; ;;;; ;;;;; ; ;;;; ;;;;
|
|
; ;; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ;;;;; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
|
|
; ; ; ; ; ; ; ;; ; ; ; ; ; ; ; ;
|
|
; ; ;;; ; ; ;; ; ; ; ; ; ; ; ;;;;
|
|
; ;
|
|
; ; ;
|
|
; ;;;
|
|
|
|
|
|
;; make-rename-menu : (cons stx[original,id] (listof stx[original,id])) (listof id-set) -> void
|
|
(define (make-rename-menu stxs id-sets)
|
|
(let ([defs-frame (currently-processing-drscheme-frame)])
|
|
(when defs-frame
|
|
(let* ([defs-text (send defs-frame get-definitions-text)]
|
|
[source (syntax-source (car stxs))]) ;; all stxs in the list must have the same source
|
|
(when (and (send defs-text port-name-matches? source)
|
|
(send defs-text port-name-matches? source))
|
|
(let* ([name-to-offer (format "~a" (syntax->datum (car stxs)))]
|
|
[start (- (syntax-position (car stxs)) 1)]
|
|
[fin (+ start (syntax-span (car stxs)))])
|
|
(send defs-text syncheck:add-menu
|
|
defs-text
|
|
start
|
|
fin
|
|
(syntax-e (car stxs))
|
|
(λ (menu)
|
|
(instantiate menu-item% ()
|
|
(parent menu)
|
|
(label (fw:gui-utils:format-literal-label (string-constant cs-rename-var) name-to-offer))
|
|
(callback
|
|
(λ (x y)
|
|
(let ([frame-parent (find-menu-parent menu)])
|
|
(rename-callback name-to-offer
|
|
defs-text
|
|
stxs
|
|
id-sets
|
|
frame-parent)))))))))))))
|
|
|
|
;; find-parent : menu-item-container<%> -> (union #f (is-a?/c top-level-window<%>)
|
|
(define (find-menu-parent menu)
|
|
(let loop ([menu menu])
|
|
(cond
|
|
[(is-a? menu menu-bar%) (send menu get-frame)]
|
|
[(is-a? menu popup-menu%)
|
|
(let ([target (send menu get-popup-target)])
|
|
(cond
|
|
[(is-a? target editor<%>)
|
|
(let ([canvas (send target get-canvas)])
|
|
(and canvas
|
|
(send canvas get-top-level-window)))]
|
|
[(is-a? target window<%>)
|
|
(send target get-top-level-window)]
|
|
[else #f]))]
|
|
[(is-a? menu menu-item<%>) (loop (send menu get-parent))]
|
|
[else #f])))
|
|
|
|
;; rename-callback : string
|
|
;; (and/c syncheck-text<%> definitions-text<%>)
|
|
;; (listof syntax[original])
|
|
;; (listof id-set)
|
|
;; (union #f (is-a?/c top-level-window<%>))
|
|
;; -> void
|
|
;; callback for the rename popup menu item
|
|
(define (rename-callback name-to-offer defs-text stxs id-sets parent)
|
|
(let ([new-str
|
|
(fw:keymap:call/text-keymap-initializer
|
|
(λ ()
|
|
(get-text-from-user
|
|
(string-constant cs-rename-id)
|
|
(fw:gui-utils:format-literal-label (string-constant cs-rename-var-to) name-to-offer)
|
|
parent
|
|
name-to-offer)))])
|
|
(when new-str
|
|
(let ([new-sym (format "~s" (string->symbol new-str))])
|
|
(let* ([to-be-renamed
|
|
(remove-duplicates
|
|
(sort
|
|
(apply
|
|
append
|
|
(map (λ (id-set)
|
|
(apply
|
|
append
|
|
(map (λ (stx) (or (get-ids id-set stx) '())) stxs)))
|
|
id-sets))
|
|
(λ (x y)
|
|
((syntax-position x) . >= . (syntax-position y)))))]
|
|
[do-renaming?
|
|
(or (not (name-duplication? to-be-renamed id-sets new-sym))
|
|
(equal?
|
|
(message-box/custom
|
|
(string-constant check-syntax)
|
|
(fw:gui-utils:format-literal-label (string-constant cs-name-duplication-error)
|
|
new-sym)
|
|
(string-constant cs-rename-anyway)
|
|
(string-constant cancel)
|
|
#f
|
|
parent
|
|
'(stop default=2))
|
|
1))])
|
|
(when do-renaming?
|
|
(unless (null? to-be-renamed)
|
|
(send defs-text begin-edit-sequence)
|
|
(for-each (λ (stx)
|
|
(let ([source (syntax-source stx)])
|
|
(when (send defs-text port-name-matches? source)
|
|
(let* ([start (- (syntax-position stx) 1)]
|
|
[end (+ start (syntax-span stx))])
|
|
(send defs-text delete start end #f)
|
|
(send defs-text insert new-sym start start #f)))))
|
|
to-be-renamed)
|
|
(send defs-text invalidate-bitmap-cache)
|
|
(send defs-text end-edit-sequence))))))))
|
|
|
|
;; get-require-filename : sexp namespace string[directory] -> filename
|
|
;; finds the filename corresponding to the require in stx
|
|
(define (get-require-filename datum user-namespace user-directory)
|
|
(let ([mp
|
|
(parameterize ([current-namespace user-namespace]
|
|
[current-directory user-directory]
|
|
[current-load-relative-directory user-directory])
|
|
(with-handlers ([exn:fail? (λ (x) #f)])
|
|
((current-module-name-resolver) datum #f #f)))])
|
|
(and (resolved-module-path? mp)
|
|
(resolved-module-path-name mp))))
|
|
|
|
|
|
;; make-require-open-menu : path -> menu -> void
|
|
(define (make-require-open-menu file)
|
|
(λ (menu)
|
|
(let-values ([(base name dir?) (split-path file)])
|
|
(instantiate menu-item% ()
|
|
(label (fw:gui-utils:format-literal-label (string-constant cs-open-file) (path->string name)))
|
|
(parent menu)
|
|
(callback (λ (x y) (fw:handler:edit-file file))))
|
|
(void)))) |