gnu/packages/patches/nyacc-binary-literals.patch

   1 From 6a08014b77bf435f025ecdac08396580b85f159a Mon Sep 17 00:00:00 2001
   2 From: Jan Nieuwenhuizen <janneke@gnu.org>
   3 Date: Sat, 8 Sep 2018 20:22:45 +0200
   4 Subject: [PATCH] fix binary literals.
   5
   6 ---
   7  module/nyacc/lex.scm | 3 ++-
   8  1 file changed, 2 insertions(+), 1 deletion(-)
   9
  10 diff --git a/module/nyacc/lex.scm b/module/nyacc/lex.scm
  11 index 2ec9895..b205212 100644
  12 --- a/module/nyacc/lex.scm
  13 +++ b/module/nyacc/lex.scm
  14 @@ -345,10 +345,11 @@
  15           ((char-numeric? ch) (iter chl '$fixed ba 1 ch))
  16           ((char=? #\. ch) (iter (cons ch chl) #f ba 15 (read-char)))
  17           (else #f)))
  18 -       ((10) ;; allow x after 0
  19 +       ((10) ;; allow x, b after 0
  20          (cond
  21           ((eof-object? ch) (iter chl ty ba 5 ch))
  22           ((char=? #\x ch) (iter (cons ch chl) ty 16 1 (read-char)))
  23 +          ((char=? #\b ch) (iter (cons ch chl) ty 2 1 (read-char)))
  24           (else (iter chl ty ba 1 ch))))
  25         ((15) ;; got `.' only
  26          (cond
  27 --
  28 2.18.0
  29