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xform: another Apple divergence from normal C tokenization

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Make xform work with

  __attribute__ ((availability(macosx, introduced = 10.12.1)))

where `10.12.1` is not a normal C token.
This commit is contained in:
Matthew Flatt 2016-10-30 12:14:13 +01:00
parent df2b1dad45
commit 19bfe3e44d
1 changed files with 4 additions and 2 deletions
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6
racket/collects/compiler/private/xform.rkt
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@ -234,8 +234,10 @@
(define symbol-complex (trans (seqs L (arbno (alt L D)))))
;; Accomodate things like 10_1 in `availability` attributes:
(define pseudo-symbol-complex (trans (seqs (arbno D) "_" (arbno D))))
;; Accomodate things like 10_1 and 10.12.1 in `availability` attributes:
(define pseudo-symbol-complex (trans (alt*
(seqs (arbno D) "_" (arbno D))
(seqs (one+ D) "[.]" (one+ D) "[.]" (one+ D)))))
(define number-complex
(trans (alt*