1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <regex> 11 12 // template <class charT, class traits = regex_traits<charT>> class basic_regex; 13 14 // template <class ST, class SA> 15 // basic_regex(const basic_string<charT, ST, SA>& s, 16 // flag_type f = regex_constants::ECMAScript); 17 18 #include <regex> 19 #include <cassert> 20 21 template <class String> 22 void 23 test(const String& p, std::regex_constants::syntax_option_type f, unsigned mc) 24 { 25 std::basic_regex<typename String::value_type> r(p, f); 26 assert(r.flags() == f); 27 assert(r.mark_count() == mc); 28 } 29 30 int main() 31 { 32 test(std::string("\\(a\\)"), std::regex_constants::basic, 1); 33 test(std::string("\\(a[bc]\\)"), std::regex_constants::basic, 1); 34 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::basic, 2); 35 test(std::string("(a([bc]))"), std::regex_constants::basic, 0); 36 37 test(std::string("\\(a\\)"), std::regex_constants::extended, 0); 38 test(std::string("\\(a[bc]\\)"), std::regex_constants::extended, 0); 39 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::extended, 0); 40 test(std::string("(a([bc]))"), std::regex_constants::extended, 2); 41 42 test(std::string("\\(a\\)"), std::regex_constants::ECMAScript, 0); 43 test(std::string("\\(a[bc]\\)"), std::regex_constants::ECMAScript, 0); 44 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::ECMAScript, 0); 45 test(std::string("(a([bc]))"), std::regex_constants::ECMAScript, 2); 46 47 test(std::string("\\(a\\)"), std::regex_constants::awk, 0); 48 test(std::string("\\(a[bc]\\)"), std::regex_constants::awk, 0); 49 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::awk, 0); 50 test(std::string("(a([bc]))"), std::regex_constants::awk, 2); 51 52 test(std::string("\\(a\\)"), std::regex_constants::grep, 1); 53 test(std::string("\\(a[bc]\\)"), std::regex_constants::grep, 1); 54 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::grep, 2); 55 test(std::string("(a([bc]))"), std::regex_constants::grep, 0); 56 57 test(std::string("\\(a\\)"), std::regex_constants::egrep, 0); 58 test(std::string("\\(a[bc]\\)"), std::regex_constants::egrep, 0); 59 test(std::string("\\(a\\([bc]\\)\\)"), std::regex_constants::egrep, 0); 60 test(std::string("(a([bc]))"), std::regex_constants::egrep, 2); 61 } 62
