diff options
author | Karl Williamson <public@khwilliamson.com> | 2011-01-15 09:45:24 -0700 |
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committer | Karl Williamson <public@khwilliamson.com> | 2011-01-16 08:18:54 -0700 |
commit | f424400810b6af341e96230836690da51c37b812 (patch) | |
tree | 28d71e6f599eaa41330f7919e90ffd6b6367a5f2 /regcomp.c | |
parent | d658a8a81c4f311bef688fd51df924a424429f14 (diff) | |
download | perl-f424400810b6af341e96230836690da51c37b812.tar.gz |
regcomp: Share two bits in ANYOF flags
It turns out that the INVERT and EOS flags can actually share the same bit, as
explained in the comments, freeing up a bit for other uses. No code changes
need be made.
Diffstat (limited to 'regcomp.c')
-rw-r--r-- | regcomp.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -4985,6 +4985,9 @@ reStudy: if (ri->regstclass && (OP(ri->regstclass) == REG_ANY || OP(ri->regstclass) == SANY)) ri->regstclass = NULL; + + /* If the synthetic start class were to ever be used when EOS is set, + * that bit would have to be cleared, as it is shared with another */ if ((!(r->anchored_substr || r->anchored_utf8) || r->anchored_offset) && stclass_flag && !(data.start_class->flags & ANYOF_EOS) @@ -5057,6 +5060,9 @@ reStudy: r->check_substr = r->check_utf8 = r->anchored_substr = r->anchored_utf8 = r->float_substr = r->float_utf8 = NULL; + + /* If the synthetic start class were to ever be used when EOS is set, + * that bit would have to be cleared, as it is shared with another */ if (!(data.start_class->flags & ANYOF_EOS) && !cl_is_anything(data.start_class)) { |