Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp b/3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp index 4dacfc6..72dc4ee 100644 --- a/3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp +++ b/3rdParty/Boost/src/boost/regex/v4/basic_regex_parser.hpp @@ -191,6 +191,7 @@ void basic_regex_parser<charT, traits>::fail(regex_constants::error_type error_c this->m_pdata->m_status = error_code; m_position = m_end; // don't bother parsing anything else +#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS // // Augment error message with the regular expression text: // @@ -200,9 +201,9 @@ void basic_regex_parser<charT, traits>::fail(regex_constants::error_type error_c if(error_code != regex_constants::error_empty) { if((start_pos != 0) || (end_pos != (m_end - m_base))) - message += " The error occured while parsing the regular expression fragment: '"; + message += " The error occurred while parsing the regular expression fragment: '"; else - message += " The error occured while parsing the regular expression: '"; + message += " The error occurred while parsing the regular expression: '"; if(start_pos != end_pos) { message += std::string(m_base + start_pos, m_base + position); @@ -211,6 +212,7 @@ void basic_regex_parser<charT, traits>::fail(regex_constants::error_type error_c } message += "'."; } +#endif #ifndef BOOST_NO_EXCEPTIONS if(0 == (this->flags() & regex_constants::no_except)) @@ -660,6 +662,11 @@ template <class charT, class traits> bool basic_regex_parser<charT, traits>::parse_extended_escape() { ++m_position; + if(m_position == m_end) + { + fail(regex_constants::error_escape, m_position - m_base, "Incomplete escape sequence found."); + return false; + } bool negate = false; // in case this is a character class escape: \w \d etc switch(this->m_traits.escape_syntax_type(*m_position)) { @@ -669,8 +676,8 @@ bool basic_regex_parser<charT, traits>::parse_extended_escape() case regex_constants::escape_type_class: { escape_type_class_jump: - typedef typename traits::char_class_type mask_type; - mask_type m = this->m_traits.lookup_classname(m_position, m_position+1); + typedef typename traits::char_class_type m_type; + m_type m = this->m_traits.lookup_classname(m_position, m_position+1); if(m != 0) { basic_char_set<charT, traits> char_set; @@ -941,7 +948,8 @@ bool basic_regex_parser<charT, traits>::parse_repeat(std::size_t low, std::size_ ++m_position; } // for perl regexes only check for pocessive ++ repeats. - if((0 == (this->flags() & regbase::main_option_type)) + if((m_position != m_end) + && (0 == (this->flags() & regbase::main_option_type)) && (this->m_traits.syntax_type(*m_position) == regex_constants::syntax_plus)) { pocessive = true; @@ -1025,13 +1033,14 @@ bool basic_regex_parser<charT, traits>::parse_repeat(std::size_t low, std::size_ { // // Check for illegal following quantifier, we have to do this here, because - // the extra states we insert below circumvents are usual error checking :-( + // the extra states we insert below circumvents our usual error checking :-( // switch(this->m_traits.syntax_type(*m_position)) { case regex_constants::syntax_star: case regex_constants::syntax_plus: case regex_constants::syntax_question: + case regex_constants::syntax_open_brace: fail(regex_constants::error_badrepeat, m_position - m_base); return false; } @@ -1381,8 +1390,8 @@ bool basic_regex_parser<charT, traits>::parse_inner_set(basic_char_set<charT, tr ++name_first; negated = true; } - typedef typename traits::char_class_type mask_type; - mask_type m = this->m_traits.lookup_classname(name_first, name_last); + typedef typename traits::char_class_type m_type; + m_type m = this->m_traits.lookup_classname(name_first, name_last); if(m == 0) { if(char_set.empty() && (name_last - name_first == 1)) @@ -2087,6 +2096,14 @@ insert_recursion: return false; } v = this->m_traits.toi(m_position, m_end, 10); + if(m_position == m_end) + { + // 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; + } if(*m_position == charT('R')) { if(++m_position == m_end) @@ -2490,9 +2507,11 @@ option_group_jump: this->m_pdata->m_data.align(); re_jump* jmp = static_cast<re_jump*>(this->getaddress(jump_offset)); jmp->alt.i = this->m_pdata->m_data.size() - this->getoffset(jmp); - if(this->m_last_state == jmp) + if((this->m_last_state == jmp) && (markid != -2)) { - // Oops... we didn't have anything inside the assertion: + // Oops... we didn't have anything inside the assertion. + // Note we don't get here for negated forward lookahead as (?!) + // does have some uses. // Rewind to start of (? sequence: --m_position; while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position; @@ -2711,6 +2730,8 @@ regex_constants::syntax_option_type basic_regex_parser<charT, traits>::parse_opt } } while(!breakout); + + breakout = false; if(*m_position == static_cast<charT>('-')) { |