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Rework parser rejection for POSIX collating elems

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Implement rejection of POSIX collating elements ("[.ch.]" and "[=ch=]"
entirely in the Ragel parser, using the same approach both inside and
ouside character classes.

Fix buggy rejection of [^.ch.], which we should accept as a character
class.
This commit is contained in:
Justin Viiret
2015-11-09 10:37:20 +11:00
committed by Matthew Barr
parent d9efe07125
commit 9a7b912a5d
2 changed files with 17 additions and 21 deletions
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4
unit/hyperscan/bad_patterns.txt
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@@ -128,3 +128,7 @@
128:/(*UTF8)^fo?ob{ro|nax_off\Qt=10omnax+8Wnah/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0}l.{1,60}Car*k|npanomnax+8Wnah/ #Expression is not valid UTF-8.
129:/bignum \1111111111111111111/ #Number is too big at index 7.
130:/foo|&{5555555,}/ #Bounded repeat is too large.
131:/[a[..]]/ #Unsupported POSIX collating element at index 2.
132:/[a[==]]/ #Unsupported POSIX collating element at index 2.
133:/[a[.\].]]/ #Unsupported POSIX collating element at index 2.
134:/[a[=\]=]]/ #Unsupported POSIX collating element at index 2.