Re: Parser does not parse

Hello SETH,

Here, I provide code:

// gcc  -c -O2 --std=c++1y -D__BYTE_ORDER=__LITTLE_ENDIAN \
//        -I/usr/include -I/usr/include/boost parser1.cc

#include <boost/config/warning_disable.hpp>
#include <boost/spirit/include/qi.hpp>

#include <iostream>
#include <string>

#include <cstring>
#include <cstdlib>

using namespace std;
using namespace boost::spirit;
using namespace boost::spirit::qi;

namespace client {
template <typename Iterator, typename Skipper>
struct my_test : public qi::grammar<Iterator, Skipper>
{
     my_test() : my_test::base_type(vs, "test")
     {
         vs =
         lit("if") > ('(' > int_ > ')')
         >> *(
// uncomment below line -> crash
//            (char_("a-zA-Z0-9")  > '=' > int_ ) |
             (vs)
             )
         >> *(
             lit("else")
             >> *(
//                (char_("a-zA-Z0-9")  > '=' > int_ ) |
                 (vs)
                 )
             )
         >    lit("endif")
         ;
     }

     rule<Iterator,Skipper> vs;
};
}

int main()
{
     std::string source = "if (1221) if (1212) endif endif";

     typedef std::string::iterator iterator_t;
     typedef client::my_test      <iterator_t, decltype(qi::space)> grammar;

     grammar pg;

     iterator_t iter = source.begin();
     iterator_t end  = source.end();

     bool ok = phrase_parse(iter,end, pg, space);
     if (ok) {
         std::cout
         << "successful"
         << std::endl;
     }

     return 0;
}


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