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de-fuzz: Failed Pearl verbs should fail better and louder.

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jzmaddock
2017-02-18 13:04:34 +00:00
parent d70b7bcefe
commit ae9f38e178
1 changed files with 6 additions and 1 deletions
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7
include/boost/regex/v4/basic_regex_parser.hpp
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@ -479,7 +479,8 @@ bool basic_regex_parser<charT, traits>::parse_open_paren()
// now recursively add more states, this will terminate when we get to a
// matching ')' :
//
parse_all();
if(!parse_all())
return false;
//
// Unwind pushed alternatives:
//
@ -2860,6 +2861,10 @@ bool basic_regex_parser<charT, traits>::parse_perl_verb()
}
break;
}
// Rewind to start of (* sequence:
--m_position;
while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position;
fail(regex_constants::error_perl_extension, m_position - m_base);
return false;
}