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sync PR 162 and PR 163 to v4

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This commit is contained in:
zhangyiru
2021-10-15 10:31:34 -04:00
parent 75600e3519
commit 13ba033116
3 changed files with 12 additions and 3 deletions
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9
include/boost/regex/v4/basic_regex_parser.hpp
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@ -1055,6 +1055,7 @@ bool basic_regex_parser<charT, traits>::parse_repeat(std::size_t low, std::size_
case syntax_element_jump:
case syntax_element_startmark:
case syntax_element_backstep:
case syntax_element_toggle_case:
// can't legally repeat any of the above:
fail(regex_constants::error_badrepeat, m_position - m_base);
return false;
@ -3140,7 +3141,13 @@ bool basic_regex_parser<charT, traits>::unwind_alts(std::ptrdiff_t last_paren_st
m_alt_jumps.pop_back();
this->m_pdata->m_data.align();
re_jump* jmp = static_cast<re_jump*>(this->getaddress(jump_offset));
BOOST_REGEX_ASSERT(jmp->type == syntax_element_jump);
if (jmp->type != syntax_element_jump)
{
// Something really bad happened, this used to be an assert,
// but we'll make it an error just in case we should ever get here.
fail(regex_constants::error_unknown, this->m_position - this->m_base, "Internal logic failed while compiling the expression, probably you added a repeat to something non-repeatable!");
return false;
}
jmp->alt.i = this->m_pdata->m_data.size() - jump_offset;
}
return true;

5
include/boost/regex/v4/pattern_except.hpp
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@ -88,7 +88,8 @@ typedef regex_error bad_expression;
namespace BOOST_REGEX_DETAIL_NS{
inline void BOOST_REGEX_CALL raise_runtime_error(const std::runtime_error& ex)
template <class E>
inline void raise_runtime_error(const E& ex)
{
#ifndef BOOST_REGEX_STANDALONE
::boost::throw_exception(ex);
@ -101,7 +102,7 @@ template <class traits>
void raise_error(const traits& t, regex_constants::error_type code)
{
(void)t; // warning suppression
std::runtime_error e(t.error_string(code));
regex_error e(t.error_string(code), code, 0);
::boost::BOOST_REGEX_DETAIL_NS::raise_runtime_error(e);
}

1
include/boost/regex/v4/perl_matcher_non_recursive.hpp
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@ -1354,6 +1354,7 @@ bool perl_matcher<BidiIterator, Allocator, traits>::unwind_alt(bool r)
template <class BidiIterator, class Allocator, class traits>
bool perl_matcher<BidiIterator, Allocator, traits>::unwind_repeater_counter(bool)
{
++used_block_count;
saved_repeater<BidiIterator>* pmp = static_cast<saved_repeater<BidiIterator>*>(m_backup_state);
boost::BOOST_REGEX_DETAIL_NS::inplace_destroy(pmp++);
m_backup_state = pmp;