suzanne.soy/scribble-enhanced
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fix scribble/lp chunk linking

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svn: r13835

original commit: f799ade23831875dc16b40eec6040470b6209739
This commit is contained in:
Matthew Flatt 2009-02-25 16:05:10 +00:00
parent aee7b363b4
commit f2b25bc20f
1 changed files with 8 additions and 5 deletions
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13
collects/scribble/private/lp.ss
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@ -7,18 +7,21 @@
;; maps chunk identifiers to a counter, so we can distinguish multiple uses
;; of the same name
(define chunk-numbers (make-free-identifier-mapping))
(define (get-chunk-number id)
(define (get-chunk-number id install?)
(let ([n (add1 (free-identifier-mapping-get chunk-numbers id
(lambda () 0)))])
(free-identifier-mapping-put! chunk-numbers id n)
n)))
(when install?
(free-identifier-mapping-put! chunk-numbers id n))
n))
(define (register-chunk-name name)
(get-chunk-number name #t)))
(define-syntax (chunk stx)
(syntax-case stx ()
[(_ name expr ...)
;; no need for more error checking, using chunk for the code will do that
(identifier? #'name)
(let ([n (get-chunk-number #'name)]
(let ([n (get-chunk-number (syntax-local-introduce #'name) #f)]
[str (symbol->string (syntax-e #'name))])
(syntax-local-lift-expression #'(quote-syntax (a-chunk name expr ...)))
@ -43,9 +46,9 @@
#`(begin
(require (for-label for-label-mod ... ...))
;; why does this happen twice?
#;
(define-syntax name (make-element-id-transformer
(lambda (stx) #'(chunkref name))))
(begin-for-syntax (register-chunk-name #'name))
(make-splice
(list (make-toc-element
#f