module Minjs
  module Ctype
    def hex_number?(code)
      code >= 0x30 && code <= 0x39 or
        code >= 0x41 && code <= 0x46 or
        code >= 0x61 && code <= 0x66
    end
    def white_space?(code)
      code == 0x20 || code == 0x9 || code == 0xb || code == 0xc || code == 0xa0 || code == 0xfeff
    end

    def line_terminator?(code)
      code == 0x0a || code == 0x0d || code == 0x2028 || code == 0x2029
    end

    def identifier_start?(c)
      return false if c.nil?
      # almost all characters are ascii
      if c == 0x24 || c == 0x5f ||
         (c >= 0x41 && c <= 0x5a) ||
         (c >= 0x61 && c <= 0x7a)
        return true
      elsif c <= 0x7f
        return false
      elsif (c >= 0xaa && c <= 0xaa) ||
            (c >= 0xb5 && c <= 0xb5) ||
            (c >= 0xba && c <= 0xba) ||
            (c >= 0xc0 && c <= 0xd6) ||
            (c >= 0xd8 && c <= 0xf6) ||
            (c >= 0xf8 && c <= 0x2c1)
        return true
      elsif c <= 0xff
        return false
      elsif (c >= 0x2c6 && c <= 0x2d1) ||
            (c >= 0x2e0 && c <= 0x2e4) ||
            (c >= 0x2ec && c <= 0x2ec) ||
            (c >= 0x2ee && c <= 0x2ee) ||
            (c >= 0x370 && c <= 0x374) ||
            (c >= 0x376 && c <= 0x377) ||
            (c >= 0x37a && c <= 0x37d) ||
            (c >= 0x37f && c <= 0x37f) ||
            (c >= 0x386 && c <= 0x386) ||
            (c >= 0x388 && c <= 0x38a) ||
            (c >= 0x38c && c <= 0x38c) ||
            (c >= 0x38e && c <= 0x3a1) ||
            (c >= 0x3a3 && c <= 0x3f5) ||
            (c >= 0x3f7 && c <= 0x481) ||
            (c >= 0x48a && c <= 0x52f) ||
            (c >= 0x531 && c <= 0x556) ||
            (c >= 0x559 && c <= 0x559) ||
            (c >= 0x561 && c <= 0x587) ||
            (c >= 0x5d0 && c <= 0x5ea) ||
            (c >= 0x5f0 && c <= 0x5f2) ||
            (c >= 0x620 && c <= 0x64a) ||
            (c >= 0x66e && c <= 0x66f) ||
            (c >= 0x671 && c <= 0x6d3) ||
            (c >= 0x6d5 && c <= 0x6d5) ||
            (c >= 0x6e5 && c <= 0x6e6) ||
            (c >= 0x6ee && c <= 0x6ef) ||
            (c >= 0x6fa && c <= 0x6fc) ||
            (c >= 0x6ff && c <= 0x6ff) ||
            (c >= 0x710 && c <= 0x710) ||
            (c >= 0x712 && c <= 0x72f) ||
            (c >= 0x74d && c <= 0x7a5) ||
            (c >= 0x7b1 && c <= 0x7b1) ||
            (c >= 0x7ca && c <= 0x7ea) ||
            (c >= 0x7f4 && c <= 0x7f5) ||
            (c >= 0x7fa && c <= 0x7fa) ||
            (c >= 0x800 && c <= 0x815) ||
            (c >= 0x81a && c <= 0x81a) ||
            (c >= 0x824 && c <= 0x824) ||
            (c >= 0x828 && c <= 0x828) ||
            (c >= 0x840 && c <= 0x858) ||
            (c >= 0x8a0 && c <= 0x8b2) ||
            (c >= 0x904 && c <= 0x939) ||
            (c >= 0x93d && c <= 0x93d) ||
            (c >= 0x950 && c <= 0x950) ||
            (c >= 0x958 && c <= 0x961) ||
            (c >= 0x971 && c <= 0x980) ||
            (c >= 0x985 && c <= 0x98c) ||
            (c >= 0x98f && c <= 0x990) ||
            (c >= 0x993 && c <= 0x9a8) ||
            (c >= 0x9aa && c <= 0x9b0) ||
            (c >= 0x9b2 && c <= 0x9b2) ||
            (c >= 0x9b6 && c <= 0x9b9) ||
            (c >= 0x9bd && c <= 0x9bd) ||
            (c >= 0x9ce && c <= 0x9ce) ||
            (c >= 0x9dc && c <= 0x9dd) ||
            (c >= 0x9df && c <= 0x9e1) ||
            (c >= 0x9f0 && c <= 0x9f1) ||
            (c >= 0xa05 && c <= 0xa0a) ||
            (c >= 0xa0f && c <= 0xa10) ||
            (c >= 0xa13 && c <= 0xa28) ||
            (c >= 0xa2a && c <= 0xa30) ||
            (c >= 0xa32 && c <= 0xa33) ||
            (c >= 0xa35 && c <= 0xa36) ||
            (c >= 0xa38 && c <= 0xa39) ||
            (c >= 0xa59 && c <= 0xa5c) ||
            (c >= 0xa5e && c <= 0xa5e) ||
            (c >= 0xa72 && c <= 0xa74) ||
            (c >= 0xa85 && c <= 0xa8d) ||
            (c >= 0xa8f && c <= 0xa91) ||
            (c >= 0xa93 && c <= 0xaa8) ||
            (c >= 0xaaa && c <= 0xab0) ||
            (c >= 0xab2 && c <= 0xab3) ||
            (c >= 0xab5 && c <= 0xab9) ||
            (c >= 0xabd && c <= 0xabd) ||
            (c >= 0xad0 && c <= 0xad0) ||
            (c >= 0xae0 && c <= 0xae1) ||
            (c >= 0xb05 && c <= 0xb0c) ||
            (c >= 0xb0f && c <= 0xb10) ||
            (c >= 0xb13 && c <= 0xb28) ||
            (c >= 0xb2a && c <= 0xb30) ||
            (c >= 0xb32 && c <= 0xb33) ||
            (c >= 0xb35 && c <= 0xb39) ||
            (c >= 0xb3d && c <= 0xb3d) ||
            (c >= 0xb5c && c <= 0xb5d) ||
            (c >= 0xb5f && c <= 0xb61) ||
            (c >= 0xb71 && c <= 0xb71) ||
            (c >= 0xb83 && c <= 0xb83) ||
            (c >= 0xb85 && c <= 0xb8a) ||
            (c >= 0xb8e && c <= 0xb90) ||
            (c >= 0xb92 && c <= 0xb95) ||
            (c >= 0xb99 && c <= 0xb9a) ||
            (c >= 0xb9c && c <= 0xb9c) ||
            (c >= 0xb9e && c <= 0xb9f) ||
            (c >= 0xba3 && c <= 0xba4) ||
            (c >= 0xba8 && c <= 0xbaa) ||
            (c >= 0xbae && c <= 0xbb9) ||
            (c >= 0xbd0 && c <= 0xbd0) ||
            (c >= 0xc05 && c <= 0xc0c) ||
            (c >= 0xc0e && c <= 0xc10) ||
            (c >= 0xc12 && c <= 0xc28) ||
            (c >= 0xc2a && c <= 0xc39) ||
            (c >= 0xc3d && c <= 0xc3d) ||
            (c >= 0xc58 && c <= 0xc59) ||
            (c >= 0xc60 && c <= 0xc61) ||
            (c >= 0xc85 && c <= 0xc8c) ||
            (c >= 0xc8e && c <= 0xc90) ||
            (c >= 0xc92 && c <= 0xca8) ||
            (c >= 0xcaa && c <= 0xcb3) ||
            (c >= 0xcb5 && c <= 0xcb9) ||
            (c >= 0xcbd && c <= 0xcbd) ||
            (c >= 0xcde && c <= 0xcde) ||
            (c >= 0xce0 && c <= 0xce1) ||
            (c >= 0xcf1 && c <= 0xcf2) ||
            (c >= 0xd05 && c <= 0xd0c) ||
            (c >= 0xd0e && c <= 0xd10) ||
            (c >= 0xd12 && c <= 0xd3a) ||
            (c >= 0xd3d && c <= 0xd3d) ||
            (c >= 0xd4e && c <= 0xd4e) ||
            (c >= 0xd60 && c <= 0xd61) ||
            (c >= 0xd7a && c <= 0xd7f) ||
            (c >= 0xd85 && c <= 0xd96) ||
            (c >= 0xd9a && c <= 0xdb1) ||
            (c >= 0xdb3 && c <= 0xdbb) ||
            (c >= 0xdbd && c <= 0xdbd) ||
            (c >= 0xdc0 && c <= 0xdc6) ||
            (c >= 0xe01 && c <= 0xe30) ||
            (c >= 0xe32 && c <= 0xe33) ||
            (c >= 0xe40 && c <= 0xe46) ||
            (c >= 0xe81 && c <= 0xe82) ||
            (c >= 0xe84 && c <= 0xe84) ||
            (c >= 0xe87 && c <= 0xe88) ||
            (c >= 0xe8a && c <= 0xe8a) ||
            (c >= 0xe8d && c <= 0xe8d) ||
            (c >= 0xe94 && c <= 0xe97) ||
            (c >= 0xe99 && c <= 0xe9f) ||
            (c >= 0xea1 && c <= 0xea3) ||
            (c >= 0xea5 && c <= 0xea5) ||
            (c >= 0xea7 && c <= 0xea7) ||
            (c >= 0xeaa && c <= 0xeab) ||
            (c >= 0xead && c <= 0xeb0) ||
            (c >= 0xeb2 && c <= 0xeb3) ||
            (c >= 0xebd && c <= 0xebd) ||
            (c >= 0xec0 && c <= 0xec4) ||
            (c >= 0xec6 && c <= 0xec6) ||
            (c >= 0xedc && c <= 0xedf) ||
            (c >= 0xf00 && c <= 0xf00) ||
            (c >= 0xf40 && c <= 0xf47) ||
            (c >= 0xf49 && c <= 0xf6c) ||
            (c >= 0xf88 && c <= 0xf8c) ||
            (c >= 0x1000 && c <= 0x102a) ||
            (c >= 0x103f && c <= 0x103f) ||
            (c >= 0x1050 && c <= 0x1055) ||
            (c >= 0x105a && c <= 0x105d) ||
            (c >= 0x1061 && c <= 0x1061) ||
            (c >= 0x1065 && c <= 0x1066) ||
            (c >= 0x106e && c <= 0x1070) ||
            (c >= 0x1075 && c <= 0x1081) ||
            (c >= 0x108e && c <= 0x108e) ||
            (c >= 0x10a0 && c <= 0x10c5) ||
            (c >= 0x10c7 && c <= 0x10c7) ||
            (c >= 0x10cd && c <= 0x10cd) ||
            (c >= 0x10d0 && c <= 0x10fa) ||
            (c >= 0x10fc && c <= 0x1248) ||
            (c >= 0x124a && c <= 0x124d) ||
            (c >= 0x1250 && c <= 0x1256) ||
            (c >= 0x1258 && c <= 0x1258) ||
            (c >= 0x125a && c <= 0x125d) ||
            (c >= 0x1260 && c <= 0x1288) ||
            (c >= 0x128a && c <= 0x128d) ||
            (c >= 0x1290 && c <= 0x12b0) ||
            (c >= 0x12b2 && c <= 0x12b5) ||
            (c >= 0x12b8 && c <= 0x12be) ||
            (c >= 0x12c0 && c <= 0x12c0) ||
            (c >= 0x12c2 && c <= 0x12c5) ||
            (c >= 0x12c8 && c <= 0x12d6) ||
            (c >= 0x12d8 && c <= 0x1310) ||
            (c >= 0x1312 && c <= 0x1315) ||
            (c >= 0x1318 && c <= 0x135a) ||
            (c >= 0x1380 && c <= 0x138f) ||
            (c >= 0x13a0 && c <= 0x13f4) ||
            (c >= 0x1401 && c <= 0x166c) ||
            (c >= 0x166f && c <= 0x167f) ||
            (c >= 0x1681 && c <= 0x169a) ||
            (c >= 0x16a0 && c <= 0x16ea) ||
            (c >= 0x16ee && c <= 0x16f8) ||
            (c >= 0x1700 && c <= 0x170c) ||
            (c >= 0x170e && c <= 0x1711) ||
            (c >= 0x1720 && c <= 0x1731) ||
            (c >= 0x1740 && c <= 0x1751) ||
            (c >= 0x1760 && c <= 0x176c) ||
            (c >= 0x176e && c <= 0x1770) ||
            (c >= 0x1780 && c <= 0x17b3) ||
            (c >= 0x17d7 && c <= 0x17d7) ||
            (c >= 0x17dc && c <= 0x17dc) ||
            (c >= 0x1820 && c <= 0x1877) ||
            (c >= 0x1880 && c <= 0x18a8) ||
            (c >= 0x18aa && c <= 0x18aa) ||
            (c >= 0x18b0 && c <= 0x18f5) ||
            (c >= 0x1900 && c <= 0x191e) ||
            (c >= 0x1950 && c <= 0x196d) ||
            (c >= 0x1970 && c <= 0x1974) ||
            (c >= 0x1980 && c <= 0x19ab) ||
            (c >= 0x19c1 && c <= 0x19c7) ||
            (c >= 0x1a00 && c <= 0x1a16) ||
            (c >= 0x1a20 && c <= 0x1a54) ||
            (c >= 0x1aa7 && c <= 0x1aa7) ||
            (c >= 0x1b05 && c <= 0x1b33) ||
            (c >= 0x1b45 && c <= 0x1b4b) ||
            (c >= 0x1b83 && c <= 0x1ba0) ||
            (c >= 0x1bae && c <= 0x1baf) ||
            (c >= 0x1bba && c <= 0x1be5) ||
            (c >= 0x1c00 && c <= 0x1c23) ||
            (c >= 0x1c4d && c <= 0x1c4f) ||
            (c >= 0x1c5a && c <= 0x1c7d) ||
            (c >= 0x1ce9 && c <= 0x1cec) ||
            (c >= 0x1cee && c <= 0x1cf1) ||
            (c >= 0x1cf5 && c <= 0x1cf6) ||
            (c >= 0x1d00 && c <= 0x1dbf) ||
            (c >= 0x1e00 && c <= 0x1f15) ||
            (c >= 0x1f18 && c <= 0x1f1d) ||
            (c >= 0x1f20 && c <= 0x1f45) ||
            (c >= 0x1f48 && c <= 0x1f4d) ||
            (c >= 0x1f50 && c <= 0x1f57) ||
            (c >= 0x1f59 && c <= 0x1f59) ||
            (c >= 0x1f5b && c <= 0x1f5b) ||
            (c >= 0x1f5d && c <= 0x1f5d) ||
            (c >= 0x1f5f && c <= 0x1f7d) ||
            (c >= 0x1f80 && c <= 0x1fb4) ||
            (c >= 0x1fb6 && c <= 0x1fbc) ||
            (c >= 0x1fbe && c <= 0x1fbe) ||
            (c >= 0x1fc2 && c <= 0x1fc4) ||
            (c >= 0x1fc6 && c <= 0x1fcc) ||
            (c >= 0x1fd0 && c <= 0x1fd3) ||
            (c >= 0x1fd6 && c <= 0x1fdb) ||
            (c >= 0x1fe0 && c <= 0x1fec) ||
            (c >= 0x1ff2 && c <= 0x1ff4) ||
            (c >= 0x1ff6 && c <= 0x1ffc) ||
            (c >= 0x2071 && c <= 0x2071) ||
            (c >= 0x207f && c <= 0x207f) ||
            (c >= 0x2090 && c <= 0x209c) ||
            (c >= 0x2102 && c <= 0x2102) ||
            (c >= 0x2107 && c <= 0x2107) ||
            (c >= 0x210a && c <= 0x2113) ||
            (c >= 0x2115 && c <= 0x2115) ||
            (c >= 0x2119 && c <= 0x211d) ||
            (c >= 0x2124 && c <= 0x2124) ||
            (c >= 0x2126 && c <= 0x2126) ||
            (c >= 0x2128 && c <= 0x2128) ||
            (c >= 0x212a && c <= 0x212d) ||
            (c >= 0x212f && c <= 0x2139) ||
            (c >= 0x213c && c <= 0x213f) ||
            (c >= 0x2145 && c <= 0x2149) ||
            (c >= 0x214e && c <= 0x214e) ||
            (c >= 0x2160 && c <= 0x2188) ||
            (c >= 0x2c00 && c <= 0x2c2e) ||
            (c >= 0x2c30 && c <= 0x2c5e) ||
            (c >= 0x2c60 && c <= 0x2ce4) ||
            (c >= 0x2ceb && c <= 0x2cee) ||
            (c >= 0x2cf2 && c <= 0x2cf3) ||
            (c >= 0x2d00 && c <= 0x2d25) ||
            (c >= 0x2d27 && c <= 0x2d27) ||
            (c >= 0x2d2d && c <= 0x2d2d) ||
            (c >= 0x2d30 && c <= 0x2d67) ||
            (c >= 0x2d6f && c <= 0x2d6f) ||
            (c >= 0x2d80 && c <= 0x2d96) ||
            (c >= 0x2da0 && c <= 0x2da6) ||
            (c >= 0x2da8 && c <= 0x2dae) ||
            (c >= 0x2db0 && c <= 0x2db6) ||
            (c >= 0x2db8 && c <= 0x2dbe) ||
            (c >= 0x2dc0 && c <= 0x2dc6) ||
            (c >= 0x2dc8 && c <= 0x2dce) ||
            (c >= 0x2dd0 && c <= 0x2dd6) ||
            (c >= 0x2dd8 && c <= 0x2dde) ||
            (c >= 0x2e2f && c <= 0x2e2f) ||
            (c >= 0x3005 && c <= 0x3007) ||
            (c >= 0x3021 && c <= 0x3029) ||
            (c >= 0x3031 && c <= 0x3035) ||
            (c >= 0x3038 && c <= 0x303c) ||
            (c >= 0x3041 && c <= 0x3096) ||
            (c >= 0x309d && c <= 0x309f) ||
            (c >= 0x30a1 && c <= 0x30fa) ||
            (c >= 0x30fc && c <= 0x30ff) ||
            (c >= 0x3105 && c <= 0x312d) ||
            (c >= 0x3131 && c <= 0x318e) ||
            (c >= 0x31a0 && c <= 0x31ba) ||
            (c >= 0x31f0 && c <= 0x31ff) ||
            (c >= 0x3400 && c <= 0x3400) ||
            (c >= 0x4db5 && c <= 0x4db5) ||
            (c >= 0x4e00 && c <= 0x4e00) ||
            (c >= 0x9fcc && c <= 0x9fcc) ||
            (c >= 0xa000 && c <= 0xa48c) ||
            (c >= 0xa4d0 && c <= 0xa4fd) ||
            (c >= 0xa500 && c <= 0xa60c) ||
            (c >= 0xa610 && c <= 0xa61f) ||
            (c >= 0xa62a && c <= 0xa62b) ||
            (c >= 0xa640 && c <= 0xa66e) ||
            (c >= 0xa67f && c <= 0xa69d) ||
            (c >= 0xa6a0 && c <= 0xa6ef) ||
            (c >= 0xa717 && c <= 0xa71f) ||
            (c >= 0xa722 && c <= 0xa788) ||
            (c >= 0xa78b && c <= 0xa78e) ||
            (c >= 0xa790 && c <= 0xa7ad) ||
            (c >= 0xa7b0 && c <= 0xa7b1) ||
            (c >= 0xa7f7 && c <= 0xa801) ||
            (c >= 0xa803 && c <= 0xa805) ||
            (c >= 0xa807 && c <= 0xa80a) ||
            (c >= 0xa80c && c <= 0xa822) ||
            (c >= 0xa840 && c <= 0xa873) ||
            (c >= 0xa882 && c <= 0xa8b3) ||
            (c >= 0xa8f2 && c <= 0xa8f7) ||
            (c >= 0xa8fb && c <= 0xa8fb) ||
            (c >= 0xa90a && c <= 0xa925) ||
            (c >= 0xa930 && c <= 0xa946) ||
            (c >= 0xa960 && c <= 0xa97c) ||
            (c >= 0xa984 && c <= 0xa9b2) ||
            (c >= 0xa9cf && c <= 0xa9cf) ||
            (c >= 0xa9e0 && c <= 0xa9e4) ||
            (c >= 0xa9e6 && c <= 0xa9ef) ||
            (c >= 0xa9fa && c <= 0xa9fe) ||
            (c >= 0xaa00 && c <= 0xaa28) ||
            (c >= 0xaa40 && c <= 0xaa42) ||
            (c >= 0xaa44 && c <= 0xaa4b) ||
            (c >= 0xaa60 && c <= 0xaa76) ||
            (c >= 0xaa7a && c <= 0xaa7a) ||
            (c >= 0xaa7e && c <= 0xaaaf) ||
            (c >= 0xaab1 && c <= 0xaab1) ||
            (c >= 0xaab5 && c <= 0xaab6) ||
            (c >= 0xaab9 && c <= 0xaabd) ||
            (c >= 0xaac0 && c <= 0xaac0) ||
            (c >= 0xaac2 && c <= 0xaac2) ||
            (c >= 0xaadb && c <= 0xaadd) ||
            (c >= 0xaae0 && c <= 0xaaea) ||
            (c >= 0xaaf2 && c <= 0xaaf4) ||
            (c >= 0xab01 && c <= 0xab06) ||
            (c >= 0xab09 && c <= 0xab0e) ||
            (c >= 0xab11 && c <= 0xab16) ||
            (c >= 0xab20 && c <= 0xab26) ||
            (c >= 0xab28 && c <= 0xab2e) ||
            (c >= 0xab30 && c <= 0xab5a) ||
            (c >= 0xab5c && c <= 0xab5f) ||
            (c >= 0xab64 && c <= 0xab65) ||
            (c >= 0xabc0 && c <= 0xabe2) ||
            (c >= 0xac00 && c <= 0xac00) ||
            (c >= 0xd7a3 && c <= 0xd7a3) ||
            (c >= 0xd7b0 && c <= 0xd7c6) ||
            (c >= 0xd7cb && c <= 0xd7fb) ||
            (c >= 0xf900 && c <= 0xfa6d) ||
            (c >= 0xfa70 && c <= 0xfad9) ||
            (c >= 0xfb00 && c <= 0xfb06) ||
            (c >= 0xfb13 && c <= 0xfb17) ||
            (c >= 0xfb1d && c <= 0xfb1d) ||
            (c >= 0xfb1f && c <= 0xfb28) ||
            (c >= 0xfb2a && c <= 0xfb36) ||
            (c >= 0xfb38 && c <= 0xfb3c) ||
            (c >= 0xfb3e && c <= 0xfb3e) ||
            (c >= 0xfb40 && c <= 0xfb41) ||
            (c >= 0xfb43 && c <= 0xfb44) ||
            (c >= 0xfb46 && c <= 0xfbb1) ||
            (c >= 0xfbd3 && c <= 0xfd3d) ||
            (c >= 0xfd50 && c <= 0xfd8f) ||
            (c >= 0xfd92 && c <= 0xfdc7) ||
            (c >= 0xfdf0 && c <= 0xfdfb) ||
            (c >= 0xfe70 && c <= 0xfe74) ||
            (c >= 0xfe76 && c <= 0xfefc) ||
            (c >= 0xff21 && c <= 0xff3a) ||
            (c >= 0xff41 && c <= 0xff5a) ||
            (c >= 0xff66 && c <= 0xffbe) ||
            (c >= 0xffc2 && c <= 0xffc7) ||
            (c >= 0xffca && c <= 0xffcf) ||
            (c >= 0xffd2 && c <= 0xffd7) ||
            (c >= 0xffda && c <= 0xffdc) ||
            (c >= 0x10000 && c <= 0x1000b) ||
            (c >= 0x1000d && c <= 0x10026) ||
            (c >= 0x10028 && c <= 0x1003a) ||
            (c >= 0x1003c && c <= 0x1003d) ||
            (c >= 0x1003f && c <= 0x1004d) ||
            (c >= 0x10050 && c <= 0x1005d) ||
            (c >= 0x10080 && c <= 0x100fa) ||
            (c >= 0x10140 && c <= 0x10174) ||
            (c >= 0x10280 && c <= 0x1029c) ||
            (c >= 0x102a0 && c <= 0x102d0) ||
            (c >= 0x10300 && c <= 0x1031f) ||
            (c >= 0x10330 && c <= 0x1034a) ||
            (c >= 0x10350 && c <= 0x10375) ||
            (c >= 0x10380 && c <= 0x1039d) ||
            (c >= 0x103a0 && c <= 0x103c3) ||
            (c >= 0x103c8 && c <= 0x103cf) ||
            (c >= 0x103d1 && c <= 0x103d5) ||
            (c >= 0x10400 && c <= 0x1049d) ||
            (c >= 0x10500 && c <= 0x10527) ||
            (c >= 0x10530 && c <= 0x10563) ||
            (c >= 0x10600 && c <= 0x10736) ||
            (c >= 0x10740 && c <= 0x10755) ||
            (c >= 0x10760 && c <= 0x10767) ||
            (c >= 0x10800 && c <= 0x10805) ||
            (c >= 0x10808 && c <= 0x10808) ||
            (c >= 0x1080a && c <= 0x10835) ||
            (c >= 0x10837 && c <= 0x10838) ||
            (c >= 0x1083c && c <= 0x1083c) ||
            (c >= 0x1083f && c <= 0x10855) ||
            (c >= 0x10860 && c <= 0x10876) ||
            (c >= 0x10880 && c <= 0x1089e) ||
            (c >= 0x10900 && c <= 0x10915) ||
            (c >= 0x10920 && c <= 0x10939) ||
            (c >= 0x10980 && c <= 0x109b7) ||
            (c >= 0x109be && c <= 0x109bf) ||
            (c >= 0x10a00 && c <= 0x10a00) ||
            (c >= 0x10a10 && c <= 0x10a13) ||
            (c >= 0x10a15 && c <= 0x10a17) ||
            (c >= 0x10a19 && c <= 0x10a33) ||
            (c >= 0x10a60 && c <= 0x10a7c) ||
            (c >= 0x10a80 && c <= 0x10a9c) ||
            (c >= 0x10ac0 && c <= 0x10ac7) ||
            (c >= 0x10ac9 && c <= 0x10ae4) ||
            (c >= 0x10b00 && c <= 0x10b35) ||
            (c >= 0x10b40 && c <= 0x10b55) ||
            (c >= 0x10b60 && c <= 0x10b72) ||
            (c >= 0x10b80 && c <= 0x10b91) ||
            (c >= 0x10c00 && c <= 0x10c48) ||
            (c >= 0x11003 && c <= 0x11037) ||
            (c >= 0x11083 && c <= 0x110af) ||
            (c >= 0x110d0 && c <= 0x110e8) ||
            (c >= 0x11103 && c <= 0x11126) ||
            (c >= 0x11150 && c <= 0x11172) ||
            (c >= 0x11176 && c <= 0x11176) ||
            (c >= 0x11183 && c <= 0x111b2) ||
            (c >= 0x111c1 && c <= 0x111c4) ||
            (c >= 0x111da && c <= 0x111da) ||
            (c >= 0x11200 && c <= 0x11211) ||
            (c >= 0x11213 && c <= 0x1122b) ||
            (c >= 0x112b0 && c <= 0x112de) ||
            (c >= 0x11305 && c <= 0x1130c) ||
            (c >= 0x1130f && c <= 0x11310) ||
            (c >= 0x11313 && c <= 0x11328) ||
            (c >= 0x1132a && c <= 0x11330) ||
            (c >= 0x11332 && c <= 0x11333) ||
            (c >= 0x11335 && c <= 0x11339) ||
            (c >= 0x1133d && c <= 0x1133d) ||
            (c >= 0x1135d && c <= 0x11361) ||
            (c >= 0x11480 && c <= 0x114af) ||
            (c >= 0x114c4 && c <= 0x114c5) ||
            (c >= 0x114c7 && c <= 0x114c7) ||
            (c >= 0x11580 && c <= 0x115ae) ||
            (c >= 0x11600 && c <= 0x1162f) ||
            (c >= 0x11644 && c <= 0x11644) ||
            (c >= 0x11680 && c <= 0x116aa) ||
            (c >= 0x118a0 && c <= 0x118df) ||
            (c >= 0x118ff && c <= 0x118ff) ||
            (c >= 0x11ac0 && c <= 0x11af8) ||
            (c >= 0x12000 && c <= 0x12398) ||
            (c >= 0x12400 && c <= 0x1246e) ||
            (c >= 0x13000 && c <= 0x1342e) ||
            (c >= 0x16800 && c <= 0x16a38) ||
            (c >= 0x16a40 && c <= 0x16a5e) ||
            (c >= 0x16ad0 && c <= 0x16aed) ||
            (c >= 0x16b00 && c <= 0x16b2f) ||
            (c >= 0x16b40 && c <= 0x16b43) ||
            (c >= 0x16b63 && c <= 0x16b77) ||
            (c >= 0x16b7d && c <= 0x16b8f) ||
            (c >= 0x16f00 && c <= 0x16f44) ||
            (c >= 0x16f50 && c <= 0x16f50) ||
            (c >= 0x16f93 && c <= 0x16f9f) ||
            (c >= 0x1b000 && c <= 0x1b001) ||
            (c >= 0x1bc00 && c <= 0x1bc6a) ||
            (c >= 0x1bc70 && c <= 0x1bc7c) ||
            (c >= 0x1bc80 && c <= 0x1bc88) ||
            (c >= 0x1bc90 && c <= 0x1bc99) ||
            (c >= 0x1d400 && c <= 0x1d454) ||
            (c >= 0x1d456 && c <= 0x1d49c) ||
            (c >= 0x1d49e && c <= 0x1d49f) ||
            (c >= 0x1d4a2 && c <= 0x1d4a2) ||
            (c >= 0x1d4a5 && c <= 0x1d4a6) ||
            (c >= 0x1d4a9 && c <= 0x1d4ac) ||
            (c >= 0x1d4ae && c <= 0x1d4b9) ||
            (c >= 0x1d4bb && c <= 0x1d4bb) ||
            (c >= 0x1d4bd && c <= 0x1d4c3) ||
            (c >= 0x1d4c5 && c <= 0x1d505) ||
            (c >= 0x1d507 && c <= 0x1d50a) ||
            (c >= 0x1d50d && c <= 0x1d514) ||
            (c >= 0x1d516 && c <= 0x1d51c) ||
            (c >= 0x1d51e && c <= 0x1d539) ||
            (c >= 0x1d53b && c <= 0x1d53e) ||
            (c >= 0x1d540 && c <= 0x1d544) ||
            (c >= 0x1d546 && c <= 0x1d546) ||
            (c >= 0x1d54a && c <= 0x1d550) ||
            (c >= 0x1d552 && c <= 0x1d6a5) ||
            (c >= 0x1d6a8 && c <= 0x1d6c0) ||
            (c >= 0x1d6c2 && c <= 0x1d6da) ||
            (c >= 0x1d6dc && c <= 0x1d6fa) ||
            (c >= 0x1d6fc && c <= 0x1d714) ||
            (c >= 0x1d716 && c <= 0x1d734) ||
            (c >= 0x1d736 && c <= 0x1d74e) ||
            (c >= 0x1d750 && c <= 0x1d76e) ||
            (c >= 0x1d770 && c <= 0x1d788) ||
            (c >= 0x1d78a && c <= 0x1d7a8) ||
            (c >= 0x1d7aa && c <= 0x1d7c2) ||
            (c >= 0x1d7c4 && c <= 0x1d7cb) ||
            (c >= 0x1e800 && c <= 0x1e8c4) ||
            (c >= 0x1ee00 && c <= 0x1ee03) ||
            (c >= 0x1ee05 && c <= 0x1ee1f) ||
            (c >= 0x1ee21 && c <= 0x1ee22) ||
            (c >= 0x1ee24 && c <= 0x1ee24) ||
            (c >= 0x1ee27 && c <= 0x1ee27) ||
            (c >= 0x1ee29 && c <= 0x1ee32) ||
            (c >= 0x1ee34 && c <= 0x1ee37) ||
            (c >= 0x1ee39 && c <= 0x1ee39) ||
            (c >= 0x1ee3b && c <= 0x1ee3b) ||
            (c >= 0x1ee42 && c <= 0x1ee42) ||
            (c >= 0x1ee47 && c <= 0x1ee47) ||
            (c >= 0x1ee49 && c <= 0x1ee49) ||
            (c >= 0x1ee4b && c <= 0x1ee4b) ||
            (c >= 0x1ee4d && c <= 0x1ee4f) ||
            (c >= 0x1ee51 && c <= 0x1ee52) ||
            (c >= 0x1ee54 && c <= 0x1ee54) ||
            (c >= 0x1ee57 && c <= 0x1ee57) ||
            (c >= 0x1ee59 && c <= 0x1ee59) ||
            (c >= 0x1ee5b && c <= 0x1ee5b) ||
            (c >= 0x1ee5d && c <= 0x1ee5d) ||
            (c >= 0x1ee5f && c <= 0x1ee5f) ||
            (c >= 0x1ee61 && c <= 0x1ee62) ||
            (c >= 0x1ee64 && c <= 0x1ee64) ||
            (c >= 0x1ee67 && c <= 0x1ee6a) ||
            (c >= 0x1ee6c && c <= 0x1ee72) ||
            (c >= 0x1ee74 && c <= 0x1ee77) ||
            (c >= 0x1ee79 && c <= 0x1ee7c) ||
            (c >= 0x1ee7e && c <= 0x1ee7e) ||
            (c >= 0x1ee80 && c <= 0x1ee89) ||
            (c >= 0x1ee8b && c <= 0x1ee9b) ||
            (c >= 0x1eea1 && c <= 0x1eea3) ||
            (c >= 0x1eea5 && c <= 0x1eea9) ||
            (c >= 0x1eeab && c <= 0x1eebb) ||
            (c >= 0x20000 && c <= 0x20000) ||
            (c >= 0x2a6d6 && c <= 0x2a6d6) ||
            (c >= 0x2a700 && c <= 0x2a700) ||
            (c >= 0x2b734 && c <= 0x2b734) ||
            (c >= 0x2b740 && c <= 0x2b740) ||
            (c >= 0x2b81d && c <= 0x2b81d)
        return true
      end
    end

    def identifier_part?(c)
      return false if c.nil?
      if (c >= 0x30 && c <= 0x39) ||
         c == 0x24 || c == 0x5f ||
         (c >= 0x41 && c <= 0x5a) ||
         (c >= 0x61 && c <= 0x7a)
        return true
      elsif identifier_start?(c) ||
            (c >= 0x300 && c <= 0x36f) ||
            (c >= 0x483 && c <= 0x487) ||
            (c >= 0x591 && c <= 0x5bd) ||
            (c >= 0x5bf && c <= 0x5bf) ||
            (c >= 0x5c1 && c <= 0x5c2) ||
            (c >= 0x5c4 && c <= 0x5c5) ||
            (c >= 0x5c7 && c <= 0x5c7) ||
            (c >= 0x610 && c <= 0x61a) ||
            (c >= 0x64b && c <= 0x669) ||
            (c >= 0x670 && c <= 0x670) ||
            (c >= 0x6d6 && c <= 0x6dc) ||
            (c >= 0x6df && c <= 0x6e4) ||
            (c >= 0x6e7 && c <= 0x6e8) ||
            (c >= 0x6ea && c <= 0x6ed) ||
            (c >= 0x6f0 && c <= 0x6f9) ||
            (c >= 0x711 && c <= 0x711) ||
            (c >= 0x730 && c <= 0x74a) ||
            (c >= 0x7a6 && c <= 0x7b0) ||
            (c >= 0x7c0 && c <= 0x7c9) ||
            (c >= 0x7eb && c <= 0x7f3) ||
            (c >= 0x816 && c <= 0x819) ||
            (c >= 0x81b && c <= 0x823) ||
            (c >= 0x825 && c <= 0x827) ||
            (c >= 0x829 && c <= 0x82d) ||
            (c >= 0x859 && c <= 0x85b) ||
            (c >= 0x8e4 && c <= 0x903) ||
            (c >= 0x93a && c <= 0x93c) ||
            (c >= 0x93e && c <= 0x94f) ||
            (c >= 0x951 && c <= 0x957) ||
            (c >= 0x962 && c <= 0x963) ||
            (c >= 0x966 && c <= 0x96f) ||
            (c >= 0x981 && c <= 0x983) ||
            (c >= 0x9bc && c <= 0x9bc) ||
            (c >= 0x9be && c <= 0x9c4) ||
            (c >= 0x9c7 && c <= 0x9c8) ||
            (c >= 0x9cb && c <= 0x9cd) ||
            (c >= 0x9d7 && c <= 0x9d7) ||
            (c >= 0x9e2 && c <= 0x9e3) ||
            (c >= 0x9e6 && c <= 0x9ef) ||
            (c >= 0xa01 && c <= 0xa03) ||
            (c >= 0xa3c && c <= 0xa3c) ||
            (c >= 0xa3e && c <= 0xa42) ||
            (c >= 0xa47 && c <= 0xa48) ||
            (c >= 0xa4b && c <= 0xa4d) ||
            (c >= 0xa51 && c <= 0xa51) ||
            (c >= 0xa66 && c <= 0xa71) ||
            (c >= 0xa75 && c <= 0xa75) ||
            (c >= 0xa81 && c <= 0xa83) ||
            (c >= 0xabc && c <= 0xabc) ||
            (c >= 0xabe && c <= 0xac5) ||
            (c >= 0xac7 && c <= 0xac9) ||
            (c >= 0xacb && c <= 0xacd) ||
            (c >= 0xae2 && c <= 0xae3) ||
            (c >= 0xae6 && c <= 0xaef) ||
            (c >= 0xb01 && c <= 0xb03) ||
            (c >= 0xb3c && c <= 0xb3c) ||
            (c >= 0xb3e && c <= 0xb44) ||
            (c >= 0xb47 && c <= 0xb48) ||
            (c >= 0xb4b && c <= 0xb4d) ||
            (c >= 0xb56 && c <= 0xb57) ||
            (c >= 0xb62 && c <= 0xb63) ||
            (c >= 0xb66 && c <= 0xb6f) ||
            (c >= 0xb82 && c <= 0xb82) ||
            (c >= 0xbbe && c <= 0xbc2) ||
            (c >= 0xbc6 && c <= 0xbc8) ||
            (c >= 0xbca && c <= 0xbcd) ||
            (c >= 0xbd7 && c <= 0xbd7) ||
            (c >= 0xbe6 && c <= 0xbef) ||
            (c >= 0xc00 && c <= 0xc03) ||
            (c >= 0xc3e && c <= 0xc44) ||
            (c >= 0xc46 && c <= 0xc48) ||
            (c >= 0xc4a && c <= 0xc4d) ||
            (c >= 0xc55 && c <= 0xc56) ||
            (c >= 0xc62 && c <= 0xc63) ||
            (c >= 0xc66 && c <= 0xc6f) ||
            (c >= 0xc81 && c <= 0xc83) ||
            (c >= 0xcbc && c <= 0xcbc) ||
            (c >= 0xcbe && c <= 0xcc4) ||
            (c >= 0xcc6 && c <= 0xcc8) ||
            (c >= 0xcca && c <= 0xccd) ||
            (c >= 0xcd5 && c <= 0xcd6) ||
            (c >= 0xce2 && c <= 0xce3) ||
            (c >= 0xce6 && c <= 0xcef) ||
            (c >= 0xd01 && c <= 0xd03) ||
            (c >= 0xd3e && c <= 0xd44) ||
            (c >= 0xd46 && c <= 0xd48) ||
            (c >= 0xd4a && c <= 0xd4d) ||
            (c >= 0xd57 && c <= 0xd57) ||
            (c >= 0xd62 && c <= 0xd63) ||
            (c >= 0xd66 && c <= 0xd6f) ||
            (c >= 0xd82 && c <= 0xd83) ||
            (c >= 0xdca && c <= 0xdca) ||
            (c >= 0xdcf && c <= 0xdd4) ||
            (c >= 0xdd6 && c <= 0xdd6) ||
            (c >= 0xdd8 && c <= 0xddf) ||
            (c >= 0xde6 && c <= 0xdef) ||
            (c >= 0xdf2 && c <= 0xdf3) ||
            (c >= 0xe31 && c <= 0xe31) ||
            (c >= 0xe34 && c <= 0xe3a) ||
            (c >= 0xe47 && c <= 0xe4e) ||
            (c >= 0xe50 && c <= 0xe59) ||
            (c >= 0xeb1 && c <= 0xeb1) ||
            (c >= 0xeb4 && c <= 0xeb9) ||
            (c >= 0xebb && c <= 0xebc) ||
            (c >= 0xec8 && c <= 0xecd) ||
            (c >= 0xed0 && c <= 0xed9) ||
            (c >= 0xf18 && c <= 0xf19) ||
            (c >= 0xf20 && c <= 0xf29) ||
            (c >= 0xf35 && c <= 0xf35) ||
            (c >= 0xf37 && c <= 0xf37) ||
            (c >= 0xf39 && c <= 0xf39) ||
            (c >= 0xf3e && c <= 0xf3f) ||
            (c >= 0xf71 && c <= 0xf84) ||
            (c >= 0xf86 && c <= 0xf87) ||
            (c >= 0xf8d && c <= 0xf97) ||
            (c >= 0xf99 && c <= 0xfbc) ||
            (c >= 0xfc6 && c <= 0xfc6) ||
            (c >= 0x102b && c <= 0x103e) ||
            (c >= 0x1040 && c <= 0x1049) ||
            (c >= 0x1056 && c <= 0x1059) ||
            (c >= 0x105e && c <= 0x1060) ||
            (c >= 0x1062 && c <= 0x1064) ||
            (c >= 0x1067 && c <= 0x106d) ||
            (c >= 0x1071 && c <= 0x1074) ||
            (c >= 0x1082 && c <= 0x108d) ||
            (c >= 0x108f && c <= 0x109d) ||
            (c >= 0x135d && c <= 0x135f) ||
            (c >= 0x1712 && c <= 0x1714) ||
            (c >= 0x1732 && c <= 0x1734) ||
            (c >= 0x1752 && c <= 0x1753) ||
            (c >= 0x1772 && c <= 0x1773) ||
            (c >= 0x17b4 && c <= 0x17d3) ||
            (c >= 0x17dd && c <= 0x17dd) ||
            (c >= 0x17e0 && c <= 0x17e9) ||
            (c >= 0x180b && c <= 0x180d) ||
            (c >= 0x1810 && c <= 0x1819) ||
            (c >= 0x18a9 && c <= 0x18a9) ||
            (c >= 0x1920 && c <= 0x192b) ||
            (c >= 0x1930 && c <= 0x193b) ||
            (c >= 0x1946 && c <= 0x194f) ||
            (c >= 0x19b0 && c <= 0x19c0) ||
            (c >= 0x19c8 && c <= 0x19c9) ||
            (c >= 0x19d0 && c <= 0x19d9) ||
            (c >= 0x1a17 && c <= 0x1a1b) ||
            (c >= 0x1a55 && c <= 0x1a5e) ||
            (c >= 0x1a60 && c <= 0x1a7c) ||
            (c >= 0x1a7f && c <= 0x1a89) ||
            (c >= 0x1a90 && c <= 0x1a99) ||
            (c >= 0x1ab0 && c <= 0x1abd) ||
            (c >= 0x1b00 && c <= 0x1b04) ||
            (c >= 0x1b34 && c <= 0x1b44) ||
            (c >= 0x1b50 && c <= 0x1b59) ||
            (c >= 0x1b6b && c <= 0x1b73) ||
            (c >= 0x1b80 && c <= 0x1b82) ||
            (c >= 0x1ba1 && c <= 0x1bad) ||
            (c >= 0x1bb0 && c <= 0x1bb9) ||
            (c >= 0x1be6 && c <= 0x1bf3) ||
            (c >= 0x1c24 && c <= 0x1c37) ||
            (c >= 0x1c40 && c <= 0x1c49) ||
            (c >= 0x1c50 && c <= 0x1c59) ||
            (c >= 0x1cd0 && c <= 0x1cd2) ||
            (c >= 0x1cd4 && c <= 0x1ce8) ||
            (c >= 0x1ced && c <= 0x1ced) ||
            (c >= 0x1cf2 && c <= 0x1cf4) ||
            (c >= 0x1cf8 && c <= 0x1cf9) ||
            (c >= 0x1dc0 && c <= 0x1df5) ||
            (c >= 0x1dfc && c <= 0x1dff) ||
            (c >= 0x203f && c <= 0x2040) ||
            (c >= 0x2054 && c <= 0x2054) ||
            (c >= 0x20d0 && c <= 0x20dc) ||
            (c >= 0x20e1 && c <= 0x20e1) ||
            (c >= 0x20e5 && c <= 0x20f0) ||
            (c >= 0x2cef && c <= 0x2cf1) ||
            (c >= 0x2d7f && c <= 0x2d7f) ||
            (c >= 0x2de0 && c <= 0x2dff) ||
            (c >= 0x302a && c <= 0x302f) ||
            (c >= 0x3099 && c <= 0x309a) ||
            (c >= 0xa620 && c <= 0xa629) ||
            (c >= 0xa66f && c <= 0xa66f) ||
            (c >= 0xa674 && c <= 0xa67d) ||
            (c >= 0xa69f && c <= 0xa69f) ||
            (c >= 0xa6f0 && c <= 0xa6f1) ||
            (c >= 0xa802 && c <= 0xa802) ||
            (c >= 0xa806 && c <= 0xa806) ||
            (c >= 0xa80b && c <= 0xa80b) ||
            (c >= 0xa823 && c <= 0xa827) ||
            (c >= 0xa880 && c <= 0xa881) ||
            (c >= 0xa8b4 && c <= 0xa8c4) ||
            (c >= 0xa8d0 && c <= 0xa8d9) ||
            (c >= 0xa8e0 && c <= 0xa8f1) ||
            (c >= 0xa900 && c <= 0xa909) ||
            (c >= 0xa926 && c <= 0xa92d) ||
            (c >= 0xa947 && c <= 0xa953) ||
            (c >= 0xa980 && c <= 0xa983) ||
            (c >= 0xa9b3 && c <= 0xa9c0) ||
            (c >= 0xa9d0 && c <= 0xa9d9) ||
            (c >= 0xa9e5 && c <= 0xa9e5) ||
            (c >= 0xa9f0 && c <= 0xa9f9) ||
            (c >= 0xaa29 && c <= 0xaa36) ||
            (c >= 0xaa43 && c <= 0xaa43) ||
            (c >= 0xaa4c && c <= 0xaa4d) ||
            (c >= 0xaa50 && c <= 0xaa59) ||
            (c >= 0xaa7b && c <= 0xaa7d) ||
            (c >= 0xaab0 && c <= 0xaab0) ||
            (c >= 0xaab2 && c <= 0xaab4) ||
            (c >= 0xaab7 && c <= 0xaab8) ||
            (c >= 0xaabe && c <= 0xaabf) ||
            (c >= 0xaac1 && c <= 0xaac1) ||
            (c >= 0xaaeb && c <= 0xaaef) ||
            (c >= 0xaaf5 && c <= 0xaaf6) ||
            (c >= 0xabe3 && c <= 0xabea) ||
            (c >= 0xabec && c <= 0xabed) ||
            (c >= 0xabf0 && c <= 0xabf9) ||
            (c >= 0xfb1e && c <= 0xfb1e) ||
            (c >= 0xfe00 && c <= 0xfe0f) ||
            (c >= 0xfe20 && c <= 0xfe2d) ||
            (c >= 0xfe33 && c <= 0xfe34) ||
            (c >= 0xfe4d && c <= 0xfe4f) ||
            (c >= 0xff10 && c <= 0xff19) ||
            (c >= 0xff3f && c <= 0xff3f) ||
            (c >= 0x101fd && c <= 0x101fd) ||
            (c >= 0x102e0 && c <= 0x102e0) ||
            (c >= 0x10376 && c <= 0x1037a) ||
            (c >= 0x104a0 && c <= 0x104a9) ||
            (c >= 0x10a01 && c <= 0x10a03) ||
            (c >= 0x10a05 && c <= 0x10a06) ||
            (c >= 0x10a0c && c <= 0x10a0f) ||
            (c >= 0x10a38 && c <= 0x10a3a) ||
            (c >= 0x10a3f && c <= 0x10a3f) ||
            (c >= 0x10ae5 && c <= 0x10ae6) ||
            (c >= 0x11000 && c <= 0x11002) ||
            (c >= 0x11038 && c <= 0x11046) ||
            (c >= 0x11066 && c <= 0x1106f) ||
            (c >= 0x1107f && c <= 0x11082) ||
            (c >= 0x110b0 && c <= 0x110ba) ||
            (c >= 0x110f0 && c <= 0x110f9) ||
            (c >= 0x11100 && c <= 0x11102) ||
            (c >= 0x11127 && c <= 0x11134) ||
            (c >= 0x11136 && c <= 0x1113f) ||
            (c >= 0x11173 && c <= 0x11173) ||
            (c >= 0x11180 && c <= 0x11182) ||
            (c >= 0x111b3 && c <= 0x111c0) ||
            (c >= 0x111d0 && c <= 0x111d9) ||
            (c >= 0x1122c && c <= 0x11237) ||
            (c >= 0x112df && c <= 0x112ea) ||
            (c >= 0x112f0 && c <= 0x112f9) ||
            (c >= 0x11301 && c <= 0x11303) ||
            (c >= 0x1133c && c <= 0x1133c) ||
            (c >= 0x1133e && c <= 0x11344) ||
            (c >= 0x11347 && c <= 0x11348) ||
            (c >= 0x1134b && c <= 0x1134d) ||
            (c >= 0x11357 && c <= 0x11357) ||
            (c >= 0x11362 && c <= 0x11363) ||
            (c >= 0x11366 && c <= 0x1136c) ||
            (c >= 0x11370 && c <= 0x11374) ||
            (c >= 0x114b0 && c <= 0x114c3) ||
            (c >= 0x114d0 && c <= 0x114d9) ||
            (c >= 0x115af && c <= 0x115b5) ||
            (c >= 0x115b8 && c <= 0x115c0) ||
            (c >= 0x11630 && c <= 0x11640) ||
            (c >= 0x11650 && c <= 0x11659) ||
            (c >= 0x116ab && c <= 0x116b7) ||
            (c >= 0x116c0 && c <= 0x116c9) ||
            (c >= 0x118e0 && c <= 0x118e9) ||
            (c >= 0x16a60 && c <= 0x16a69) ||
            (c >= 0x16af0 && c <= 0x16af4) ||
            (c >= 0x16b30 && c <= 0x16b36) ||
            (c >= 0x16b50 && c <= 0x16b59) ||
            (c >= 0x16f51 && c <= 0x16f7e) ||
            (c >= 0x16f8f && c <= 0x16f92) ||
            (c >= 0x1bc9d && c <= 0x1bc9e) ||
            (c >= 0x1d165 && c <= 0x1d169) ||
            (c >= 0x1d16d && c <= 0x1d172) ||
            (c >= 0x1d17b && c <= 0x1d182) ||
            (c >= 0x1d185 && c <= 0x1d18b) ||
            (c >= 0x1d1aa && c <= 0x1d1ad) ||
            (c >= 0x1d242 && c <= 0x1d244) ||
            (c >= 0x1d7ce && c <= 0x1d7ff) ||
            (c >= 0x1e8d0 && c <= 0x1e8d6) ||
            c == 0x200d || c == 0x200c
        return true
      end
    end

    def idname?(name)
      return false if name.length == 0
      s = name.codepoints
      return false unless identifier_start?(s[0])
      s.unshift
      s.each do |code|
        return false unless identifier_part?(code)
      end
      return true
    end
  end
end