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Apply patch from #8476.

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Fixes #8476.

[SVN r84015]
This commit is contained in:
John Maddock
2013-04-22 17:29:50 +00:00
parent 3162e5ef22
commit eed2a486c4
3 changed files with 16 additions and 0 deletions
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8
include/boost/regex/v4/basic_regex_creator.hpp
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@ -739,13 +739,16 @@ void basic_regex_creator<charT, traits>::fixup_pointers(re_syntax_base* state)
// set the state_id of this repeat:
static_cast<re_repeat*>(state)->state_id = m_repeater_id++;
// fall through:
BOOST_FALLTHROUGH;
case syntax_element_alt:
std::memset(static_cast<re_alt*>(state)->_map, 0, sizeof(static_cast<re_alt*>(state)->_map));
static_cast<re_alt*>(state)->can_be_null = 0;
// fall through:
BOOST_FALLTHROUGH;
case syntax_element_jump:
static_cast<re_jump*>(state)->alt.p = getaddress(static_cast<re_jump*>(state)->alt.i, state);
// fall through again:
BOOST_FALLTHROUGH;
default:
if(state->next.i)
state->next.p = getaddress(state->next.i, state);
@ -942,6 +945,7 @@ void basic_regex_creator<charT, traits>::create_startmaps(re_syntax_base* state)
}
}
// fall through:
BOOST_FALLTHROUGH;
default:
state = state->next.p;
}
@ -1154,12 +1158,14 @@ void basic_regex_creator<charT, traits>::create_startmap(re_syntax_base* state,
}
m_recursion_checks[recursion_sub] = true;
// fall through, can't handle nested recursion here...
BOOST_FALLTHROUGH;
}
case syntax_element_backref:
// can be null, and any character can match:
if(pnull)
*pnull |= mask;
// fall through:
BOOST_FALLTHROUGH;
case syntax_element_wild:
{
// can't be null, any character can match:
@ -1360,6 +1366,7 @@ void basic_regex_creator<charT, traits>::create_startmap(re_syntax_base* state,
break;
}
// otherwise fall through:
BOOST_FALLTHROUGH;
default:
state = state->next.p;
}
@ -1538,6 +1545,7 @@ void basic_regex_creator<charT, traits>::probe_leading_repeat(re_syntax_base* st
if(this->m_has_backrefs == 0)
static_cast<re_repeat*>(state)->leading = true;
// fall through:
BOOST_FALLTHROUGH;
default:
return;
}