| 9 | using namespace boost::parser; |
| 10 | |
| 11 | void compile_combining_groups() |
| 12 | { |
| 13 | // p >> seq_parser |
| 14 | { |
| 15 | constexpr auto parser = char_ >> (char_ >> char_); |
| 16 | using combinging_groups_t = |
| 17 | typename decltype(parser.parser_)::combining_groups; |
| 18 | static_assert(std::is_same_v< |
| 19 | combinging_groups_t, |
| 20 | tuple<llong<0>, llong<0>, llong<0>>>); |
| 21 | } |
| 22 | { |
| 23 | constexpr auto parser = char_ >> merge[char_ >> char_]; |
| 24 | using combinging_groups_t = |
| 25 | typename decltype(parser.parser_)::combining_groups; |
| 26 | static_assert(std::is_same_v< |
| 27 | combinging_groups_t, |
| 28 | tuple<llong<0>, llong<1>, llong<1>>>); |
| 29 | } |
| 30 | { |
| 31 | constexpr auto parser = char_ >> separate[char_ >> char_]; |
| 32 | using combinging_groups_t = |
| 33 | typename decltype(parser.parser_)::combining_groups; |
| 34 | static_assert(std::is_same_v< |
| 35 | combinging_groups_t, |
| 36 | tuple<llong<0>, llong<-1>, llong<-1>>>); |
| 37 | } |
| 38 | |
| 39 | |
| 40 | |
| 41 | // seq_parser >> p |
| 42 | { |
| 43 | constexpr auto parser = (char_ >> char_) >> char_; |
| 44 | using combinging_groups_t = |
| 45 | typename decltype(parser.parser_)::combining_groups; |
| 46 | static_assert(std::is_same_v< |
| 47 | combinging_groups_t, |
| 48 | tuple<llong<0>, llong<0>, llong<0>>>); |
| 49 | } |
| 50 | { |
| 51 | constexpr auto parser = merge[char_ >> char_] >> char_; |
| 52 | using combinging_groups_t = |
| 53 | typename decltype(parser.parser_)::combining_groups; |
| 54 | static_assert(std::is_same_v< |
| 55 | combinging_groups_t, |
| 56 | tuple<llong<1>, llong<1>, llong<0>>>); |
| 57 | } |
| 58 | { |
| 59 | constexpr auto parser = separate[char_ >> char_] >> char_; |
| 60 | using combinging_groups_t = |
| 61 | typename decltype(parser.parser_)::combining_groups; |
| 62 | static_assert(std::is_same_v< |
| 63 | combinging_groups_t, |
| 64 | tuple<llong<-1>, llong<-1>, llong<0>>>); |
| 65 | } |
| 66 | |
| 67 | |
| 68 | |