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Fix recursive expressions where the recursion appears more than once.

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Fixes https://github.com/boostorg/regex/issues/87.
Also fix some more msvc warnings.
This commit is contained in:
jzmaddock
2020-01-23 19:24:33 +00:00
parent bc160a58f0
commit afc4229234
5 changed files with 18 additions and 5 deletions
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4
include/boost/regex/v4/basic_regex_parser.hpp
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@ -197,7 +197,7 @@ void basic_regex_parser<charT, traits>::parse(const charT* p1, const charT* p2,
if(this->m_pdata->m_status)
return;
// fill in our sub-expression count:
this->m_pdata->m_mark_count = 1 + m_mark_count;
this->m_pdata->m_mark_count = 1u + (std::size_t)m_mark_count;
this->finalize(p1, p2);
}
@ -2723,7 +2723,7 @@ option_group_jump:
{
#ifndef BOOST_NO_STD_DISTANCE
if(this->flags() & regbase::save_subexpression_location)
this->m_pdata->m_subs.at(markid - 1).second = std::distance(m_base, m_position) - 1;
this->m_pdata->m_subs.at((std::size_t)markid - 1).second = std::distance(m_base, m_position) - 1;
#else
if(this->flags() & regbase::save_subexpression_location)
this->m_pdata->m_subs.at(markid - 1).second = (m_position - m_base) - 1;