I've written the following recursive rule in boost::spirit::x3 but it only seems to compile in g++/clang, not VS2017 (15.5.3):
#include <iostream>
#include <boost/spirit/home/x3.hpp>
namespace lex3
{
namespace x3 = boost::spirit::x3;
x3::rule<struct foo_class> const foo = "foo";
x3::rule<struct bar_class> const bar = "bar";
auto bar_def = *((x3::char_ - "/*") - "*/") >> *(foo > *((x3::char_ - "/*") - "*/"));
auto foo_def = "/*" > bar > "*/";
BOOST_SPIRIT_DEFINE(foo)
BOOST_SPIRIT_DEFINE(bar)
}
int main(int argc, char** argv)
{
std::string input = "/* a /* nested */ comment */";
auto f = input.begin();
auto l = input.end();
if (parse(f, l, lex3::foo) && (f == l))
std::cout << "Parse success.\n";
else
std::cout << "Parse failure (remainder: " << std::string(f, l) << ").\n";
return 0;
}
How do I make this work in VS2017 (if possible)?
P.S: Platform Toolset is set to v141, ISO standard is set to C++17, boost version is 1.66.0
P.P.S: The compilation errors are as follows
error C2039: 'insert': is not a member of 'boost::spirit::x3::unused_type'
note: see declaration of 'boost::spirit::x3::unused_type'
error C2039: 'end': is not a member of 'boost::spirit::x3::unused_type'
note: see declaration of 'boost::spirit::x3::unused_type'
error C2039: 'begin': is not a member of 'boost::spirit::x3::unused_type'
note: see declaration of 'boost::spirit::x3::unused_type'