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another with-syntax/quasisyntax fix for non-syntax inputs

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svn: r15420
This commit is contained in:
Matthew Flatt 2009-07-09 15:59:10 +00:00
parent 5adb4eb004
commit f9aeba626c
1 changed files with 7 additions and 2 deletions
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9
collects/rnrs/syntax-case-6.ss
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@ -165,7 +165,7 @@
lit)))
lits)
(quasisyntax/loc stx
(syntax-case (wrap expr (quote-syntax #,(datum->syntax #'expr 'ctx)) unwrapped-srcloc #f) (lit ...)
(syntax-case (add-wrap expr) (lit ...)
. #,(map (lambda (clause)
(syntax-case clause ()
[(pat val)
@ -180,6 +180,11 @@
(syntax->list #'(clause ...))))))]
[(_ . rest) (syntax/loc stx (syntax-case . rest))]))
(define-syntax (add-wrap stx)
(syntax-case stx ()
[(_ expr)
#`(wrap expr (quote-syntax #,(datum->syntax #'expr 'ctx)) unwrapped-srcloc #f)]))
;; ----------------------------------------
(define (unwrap-reconstructed data stx datum)
@ -238,7 +243,7 @@
(define-syntax r6rs:with-syntax
(syntax-rules ()
[(_ [(p e0) ...] e1 e2 ...)
(r6rs:syntax-case (mlist e0 ...) ()
(r6rs:syntax-case (mlist (add-wrap e0) ...) ()
[(p ...) (let () e1 e2 ...)])]))
(define-syntax (r6rs:quasisyntax stx)