// Generated by PEG.js 2 v1.0.0
//
// https://github.com/Mingun/pegjs

"use strict";

var peg$ParserState = require('@pegjs2/runtime/parser-state');

function peg$literalExpectation(text, ignoreCase) {
  return { type: 'literal', text: text, ignoreCase: ignoreCase };
}

function peg$classExpectation(parts, inverted, ignoreCase) {
  return { type: 'class', parts: parts, inverted: inverted, ignoreCase: ignoreCase };
}

function peg$ruleExpectation(description) {
  return { type: 'rule', description: description };
}

var peg$c0 = "=";
var peg$c1 = "#[";
var peg$c2 = "]";
var peg$c3 = "(";
var peg$c4 = ")";
var peg$c5 = "/";
var peg$c6 = "@";
var peg$c7 = ":";
var peg$c8 = "$";
var peg$c9 = "&";
var peg$c10 = "!";
var peg$c11 = "?";
var peg$c12 = "*";
var peg$c13 = "+";
var peg$c14 = "|";
var peg$c15 = ",";
var peg$c16 = "..";
var peg$c17 = "\t";
var peg$c18 = "\v";
var peg$c19 = "\f";
var peg$c20 = " ";
var peg$c21 = "\xA0";
var peg$c22 = "\uFEFF";
var peg$c23 = "\n";
var peg$c24 = "\r\n";
var peg$c25 = "\r";
var peg$c26 = "\u2028";
var peg$c27 = "\u2029";
var peg$c28 = "/*";
var peg$c29 = "*/";
var peg$c30 = "//";
var peg$c31 = "_";
var peg$c32 = "\\";
var peg$c33 = "\u200C";
var peg$c34 = "\u200D";
var peg$c35 = "i";
var peg$c36 = "\"";
var peg$c37 = "'";
var peg$c38 = "[";
var peg$c39 = "^";
var peg$c40 = "-";
var peg$c41 = "0";
var peg$c42 = "b";
var peg$c43 = "f";
var peg$c44 = "n";
var peg$c45 = "r";
var peg$c46 = "t";
var peg$c47 = "v";
var peg$c48 = "x";
var peg$c49 = "u";
var peg$c50 = ".";
var peg$c51 = "{";
var peg$c52 = "}";
var peg$c53 = ";";

var peg$r0 = /^[()]/;
var peg$r1 = /^[\n\r\u2028\u2029]/;
var peg$r2 = /^[0-9]/;
var peg$r3 = /^[0-9a-f]/i;
var peg$r4 = /^[{}]/;
var peg$r5 = /^[a-z\xB5\xDF-\xF6\xF8-\xFF\u0101\u0103\u0105\u0107\u0109\u010B\u010D\u010F\u0111\u0113\u0115\u0117\u0119\u011B\u011D\u011F\u0121\u0123\u0125\u0127\u0129\u012B\u012D\u012F\u0131\u0133\u0135\u0137-\u0138\u013A\u013C\u013E\u0140\u0142\u0144\u0146\u0148-\u0149\u014B\u014D\u014F\u0151\u0153\u0155\u0157\u0159\u015B\u015D\u015F\u0161\u0163\u0165\u0167\u0169\u016B\u016D\u016F\u0171\u0173\u0175\u0177\u017A\u017C\u017E-\u0180\u0183\u0185\u0188\u018C-\u018D\u0192\u0195\u0199-\u019B\u019E\u01A1\u01A3\u01A5\u01A8\u01AA-\u01AB\u01AD\u01B0\u01B4\u01B6\u01B9-\u01BA\u01BD-\u01BF\u01C6\u01C9\u01CC\u01CE\u01D0\u01D2\u01D4\u01D6\u01D8\u01DA\u01DC-\u01DD\u01DF\u01E1\u01E3\u01E5\u01E7\u01E9\u01EB\u01ED\u01EF-\u01F0\u01F3\u01F5\u01F9\u01FB\u01FD\u01FF\u0201\u0203\u0205\u0207\u0209\u020B\u020D\u020F\u0211\u0213\u0215\u0217\u0219\u021B\u021D\u021F\u0221\u0223\u0225\u0227\u0229\u022B\u022D\u022F\u0231\u0233-\u0239\u023C\u023F-\u0240\u0242\u0247\u0249\u024B\u024D\u024F-\u0293\u0295-\u02AF\u0371\u0373\u0377\u037B-\u037D\u0390\u03AC-\u03CE\u03D0-\u03D1\u03D5-\u03D7\u03D9\u03DB\u03DD\u03DF\u03E1\u03E3\u03E5\u03E7\u03E9\u03EB\u03ED\u03EF-\u03F3\u03F5\u03F8\u03FB-\u03FC\u0430-\u045F\u0461\u0463\u0465\u0467\u0469\u046B\u046D\u046F\u0471\u0473\u0475\u0477\u0479\u047B\u047D\u047F\u0481\u048B\u048D\u048F\u0491\u0493\u0495\u0497\u0499\u049B\u049D\u049F\u04A1\u04A3\u04A5\u04A7\u04A9\u04AB\u04AD\u04AF\u04B1\u04B3\u04B5\u04B7\u04B9\u04BB\u04BD\u04BF\u04C2\u04C4\u04C6\u04C8\u04CA\u04CC\u04CE-\u04CF\u04D1\u04D3\u04D5\u04D7\u04D9\u04DB\u04DD\u04DF\u04E1\u04E3\u04E5\u04E7\u04E9\u04EB\u04ED\u04EF\u04F1\u04F3\u04F5\u04F7\u04F9\u04FB\u04FD\u04FF\u0501\u0503\u0505\u0507\u0509\u050B\u050D\u050F\u0511\u0513\u0515\u0517\u0519\u051B\u051D\u051F\u0521\u0523\u0525\u0527\u0529\u052B\u052D\u052F\u0561-\u0587\u13F8-\u13FD\u1D00-\u1D2B\u1D6B-\u1D77\u1D79-\u1D9A\u1E01\u1E03\u1E05\u1E07\u1E09\u1E0B\u1E0D\u1E0F\u1E11\u1E13\u1E15\u1E17\u1E19\u1E1B\u1E1D\u1E1F\u1E21\u1E23\u1E25\u1E27\u1E29\u1E2B\u1E2D\u1E2F\u1E31\u1E33\u1E35\u1E37\u1E39\u1E3B\u1E3D\u1E3F\u1E41\u1E43\u1E45\u1E47\u1E49\u1E4B\u1E4D\u1E4F\u1E51\u1E53\u1E55\u1E57\u1E59\u1E5B\u1E5D\u1E5F\u1E61\u1E63\u1E65\u1E67\u1E69\u1E6B\u1E6D\u1E6F\u1E71\u1E73\u1E75\u1E77\u1E79\u1E7B\u1E7D\u1E7F\u1E81\u1E83\u1E85\u1E87\u1E89\u1E8B\u1E8D\u1E8F\u1E91\u1E93\u1E95-\u1E9D\u1E9F\u1EA1\u1EA3\u1EA5\u1EA7\u1EA9\u1EAB\u1EAD\u1EAF\u1EB1\u1EB3\u1EB5\u1EB7\u1EB9\u1EBB\u1EBD\u1EBF\u1EC1\u1EC3\u1EC5\u1EC7\u1EC9\u1ECB\u1ECD\u1ECF\u1ED1\u1ED3\u1ED5\u1ED7\u1ED9\u1EDB\u1EDD\u1EDF\u1EE1\u1EE3\u1EE5\u1EE7\u1EE9\u1EEB\u1EED\u1EEF\u1EF1\u1EF3\u1EF5\u1EF7\u1EF9\u1EFB\u1EFD\u1EFF-\u1F07\u1F10-\u1F15\u1F20-\u1F27\u1F30-\u1F37\u1F40-\u1F45\u1F50-\u1F57\u1F60-\u1F67\u1F70-\u1F7D\u1F80-\u1F87\u1F90-\u1F97\u1FA0-\u1FA7\u1FB0-\u1FB4\u1FB6-\u1FB7\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FC7\u1FD0-\u1FD3\u1FD6-\u1FD7\u1FE0-\u1FE7\u1FF2-\u1FF4\u1FF6-\u1FF7\u210A\u210E-\u210F\u2113\u212F\u2134\u2139\u213C-\u213D\u2146-\u2149\u214E\u2184\u2C30-\u2C5E\u2C61\u2C65-\u2C66\u2C68\u2C6A\u2C6C\u2C71\u2C73-\u2C74\u2C76-\u2C7B\u2C81\u2C83\u2C85\u2C87\u2C89\u2C8B\u2C8D\u2C8F\u2C91\u2C93\u2C95\u2C97\u2C99\u2C9B\u2C9D\u2C9F\u2CA1\u2CA3\u2CA5\u2CA7\u2CA9\u2CAB\u2CAD\u2CAF\u2CB1\u2CB3\u2CB5\u2CB7\u2CB9\u2CBB\u2CBD\u2CBF\u2CC1\u2CC3\u2CC5\u2CC7\u2CC9\u2CCB\u2CCD\u2CCF\u2CD1\u2CD3\u2CD5\u2CD7\u2CD9\u2CDB\u2CDD\u2CDF\u2CE1\u2CE3-\u2CE4\u2CEC\u2CEE\u2CF3\u2D00-\u2D25\u2D27\u2D2D\uA641\uA643\uA645\uA647\uA649\uA64B\uA64D\uA64F\uA651\uA653\uA655\uA657\uA659\uA65B\uA65D\uA65F\uA661\uA663\uA665\uA667\uA669\uA66B\uA66D\uA681\uA683\uA685\uA687\uA689\uA68B\uA68D\uA68F\uA691\uA693\uA695\uA697\uA699\uA69B\uA723\uA725\uA727\uA729\uA72B\uA72D\uA72F-\uA731\uA733\uA735\uA737\uA739\uA73B\uA73D\uA73F\uA741\uA743\uA745\uA747\uA749\uA74B\uA74D\uA74F\uA751\uA753\uA755\uA757\uA759\uA75B\uA75D\uA75F\uA761\uA763\uA765\uA767\uA769\uA76B\uA76D\uA76F\uA771-\uA778\uA77A\uA77C\uA77F\uA781\uA783\uA785\uA787\uA78C\uA78E\uA791\uA793-\uA795\uA797\uA799\uA79B\uA79D\uA79F\uA7A1\uA7A3\uA7A5\uA7A7\uA7A9\uA7B5\uA7B7\uA7FA\uAB30-\uAB5A\uAB60-\uAB65\uAB70-\uABBF\uFB00-\uFB06\uFB13-\uFB17\uFF41-\uFF5A]/;
var peg$r6 = /^[\u02B0-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0374\u037A\u0559\u0640\u06E5-\u06E6\u07F4-\u07F5\u07FA\u081A\u0824\u0828\u0971\u0E46\u0EC6\u10FC\u17D7\u1843\u1AA7\u1C78-\u1C7D\u1D2C-\u1D6A\u1D78\u1D9B-\u1DBF\u2071\u207F\u2090-\u209C\u2C7C-\u2C7D\u2D6F\u2E2F\u3005\u3031-\u3035\u303B\u309D-\u309E\u30FC-\u30FE\uA015\uA4F8-\uA4FD\uA60C\uA67F\uA69C-\uA69D\uA717-\uA71F\uA770\uA788\uA7F8-\uA7F9\uA9CF\uA9E6\uAA70\uAADD\uAAF3-\uAAF4\uAB5C-\uAB5F\uFF70\uFF9E-\uFF9F]/;
var peg$r7 = /^[\xAA\xBA\u01BB\u01C0-\u01C3\u0294\u05D0-\u05EA\u05F0-\u05F2\u0620-\u063F\u0641-\u064A\u066E-\u066F\u0671-\u06D3\u06D5\u06EE-\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u0800-\u0815\u0840-\u0858\u08A0-\u08B4\u0904-\u0939\u093D\u0950\u0958-\u0961\u0972-\u0980\u0985-\u098C\u098F-\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC-\u09DD\u09DF-\u09E1\u09F0-\u09F1\u0A05-\u0A0A\u0A0F-\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32-\u0A33\u0A35-\u0A36\u0A38-\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2-\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0-\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F-\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32-\u0B33\u0B35-\u0B39\u0B3D\u0B5C-\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99-\u0B9A\u0B9C\u0B9E-\u0B9F\u0BA3-\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60-\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0-\u0CE1\u0CF1-\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32-\u0E33\u0E40-\u0E45\u0E81-\u0E82\u0E84\u0E87-\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA-\u0EAB\u0EAD-\u0EB0\u0EB2-\u0EB3\u0EBD\u0EC0-\u0EC4\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065-\u1066\u106E-\u1070\u1075-\u1081\u108E\u10D0-\u10FA\u10FD-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17DC\u1820-\u1842\u1844-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE-\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C77\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5-\u1CF6\u2135-\u2138\u2D30-\u2D67\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3006\u303C\u3041-\u3096\u309F\u30A1-\u30FA\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA014\uA016-\uA48C\uA4D0-\uA4F7\uA500-\uA60B\uA610-\uA61F\uA62A-\uA62B\uA66E\uA6A0-\uA6E5\uA78F\uA7F7\uA7FB-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9E0-\uA9E4\uA9E7-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA6F\uAA71-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5-\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADC\uAAE0-\uAAEA\uAAF2\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40-\uFB41\uFB43-\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF66-\uFF6F\uFF71-\uFF9D\uFFA0-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]/;
var peg$r8 = /^[\u01C5\u01C8\u01CB\u01F2\u1F88-\u1F8F\u1F98-\u1F9F\u1FA8-\u1FAF\u1FBC\u1FCC\u1FFC]/;
var peg$r9 = /^[A-Z\xC0-\xD6\xD8-\xDE\u0100\u0102\u0104\u0106\u0108\u010A\u010C\u010E\u0110\u0112\u0114\u0116\u0118\u011A\u011C\u011E\u0120\u0122\u0124\u0126\u0128\u012A\u012C\u012E\u0130\u0132\u0134\u0136\u0139\u013B\u013D\u013F\u0141\u0143\u0145\u0147\u014A\u014C\u014E\u0150\u0152\u0154\u0156\u0158\u015A\u015C\u015E\u0160\u0162\u0164\u0166\u0168\u016A\u016C\u016E\u0170\u0172\u0174\u0176\u0178-\u0179\u017B\u017D\u0181-\u0182\u0184\u0186-\u0187\u0189-\u018B\u018E-\u0191\u0193-\u0194\u0196-\u0198\u019C-\u019D\u019F-\u01A0\u01A2\u01A4\u01A6-\u01A7\u01A9\u01AC\u01AE-\u01AF\u01B1-\u01B3\u01B5\u01B7-\u01B8\u01BC\u01C4\u01C7\u01CA\u01CD\u01CF\u01D1\u01D3\u01D5\u01D7\u01D9\u01DB\u01DE\u01E0\u01E2\u01E4\u01E6\u01E8\u01EA\u01EC\u01EE\u01F1\u01F4\u01F6-\u01F8\u01FA\u01FC\u01FE\u0200\u0202\u0204\u0206\u0208\u020A\u020C\u020E\u0210\u0212\u0214\u0216\u0218\u021A\u021C\u021E\u0220\u0222\u0224\u0226\u0228\u022A\u022C\u022E\u0230\u0232\u023A-\u023B\u023D-\u023E\u0241\u0243-\u0246\u0248\u024A\u024C\u024E\u0370\u0372\u0376\u037F\u0386\u0388-\u038A\u038C\u038E-\u038F\u0391-\u03A1\u03A3-\u03AB\u03CF\u03D2-\u03D4\u03D8\u03DA\u03DC\u03DE\u03E0\u03E2\u03E4\u03E6\u03E8\u03EA\u03EC\u03EE\u03F4\u03F7\u03F9-\u03FA\u03FD-\u042F\u0460\u0462\u0464\u0466\u0468\u046A\u046C\u046E\u0470\u0472\u0474\u0476\u0478\u047A\u047C\u047E\u0480\u048A\u048C\u048E\u0490\u0492\u0494\u0496\u0498\u049A\u049C\u049E\u04A0\u04A2\u04A4\u04A6\u04A8\u04AA\u04AC\u04AE\u04B0\u04B2\u04B4\u04B6\u04B8\u04BA\u04BC\u04BE\u04C0-\u04C1\u04C3\u04C5\u04C7\u04C9\u04CB\u04CD\u04D0\u04D2\u04D4\u04D6\u04D8\u04DA\u04DC\u04DE\u04E0\u04E2\u04E4\u04E6\u04E8\u04EA\u04EC\u04EE\u04F0\u04F2\u04F4\u04F6\u04F8\u04FA\u04FC\u04FE\u0500\u0502\u0504\u0506\u0508\u050A\u050C\u050E\u0510\u0512\u0514\u0516\u0518\u051A\u051C\u051E\u0520\u0522\u0524\u0526\u0528\u052A\u052C\u052E\u0531-\u0556\u10A0-\u10C5\u10C7\u10CD\u13A0-\u13F5\u1E00\u1E02\u1E04\u1E06\u1E08\u1E0A\u1E0C\u1E0E\u1E10\u1E12\u1E14\u1E16\u1E18\u1E1A\u1E1C\u1E1E\u1E20\u1E22\u1E24\u1E26\u1E28\u1E2A\u1E2C\u1E2E\u1E30\u1E32\u1E34\u1E36\u1E38\u1E3A\u1E3C\u1E3E\u1E40\u1E42\u1E44\u1E46\u1E48\u1E4A\u1E4C\u1E4E\u1E50\u1E52\u1E54\u1E56\u1E58\u1E5A\u1E5C\u1E5E\u1E60\u1E62\u1E64\u1E66\u1E68\u1E6A\u1E6C\u1E6E\u1E70\u1E72\u1E74\u1E76\u1E78\u1E7A\u1E7C\u1E7E\u1E80\u1E82\u1E84\u1E86\u1E88\u1E8A\u1E8C\u1E8E\u1E90\u1E92\u1E94\u1E9E\u1EA0\u1EA2\u1EA4\u1EA6\u1EA8\u1EAA\u1EAC\u1EAE\u1EB0\u1EB2\u1EB4\u1EB6\u1EB8\u1EBA\u1EBC\u1EBE\u1EC0\u1EC2\u1EC4\u1EC6\u1EC8\u1ECA\u1ECC\u1ECE\u1ED0\u1ED2\u1ED4\u1ED6\u1ED8\u1EDA\u1EDC\u1EDE\u1EE0\u1EE2\u1EE4\u1EE6\u1EE8\u1EEA\u1EEC\u1EEE\u1EF0\u1EF2\u1EF4\u1EF6\u1EF8\u1EFA\u1EFC\u1EFE\u1F08-\u1F0F\u1F18-\u1F1D\u1F28-\u1F2F\u1F38-\u1F3F\u1F48-\u1F4D\u1F59\u1F5B\u1F5D\u1F5F\u1F68-\u1F6F\u1FB8-\u1FBB\u1FC8-\u1FCB\u1FD8-\u1FDB\u1FE8-\u1FEC\u1FF8-\u1FFB\u2102\u2107\u210B-\u210D\u2110-\u2112\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u2130-\u2133\u213E-\u213F\u2145\u2183\u2C00-\u2C2E\u2C60\u2C62-\u2C64\u2C67\u2C69\u2C6B\u2C6D-\u2C70\u2C72\u2C75\u2C7E-\u2C80\u2C82\u2C84\u2C86\u2C88\u2C8A\u2C8C\u2C8E\u2C90\u2C92\u2C94\u2C96\u2C98\u2C9A\u2C9C\u2C9E\u2CA0\u2CA2\u2CA4\u2CA6\u2CA8\u2CAA\u2CAC\u2CAE\u2CB0\u2CB2\u2CB4\u2CB6\u2CB8\u2CBA\u2CBC\u2CBE\u2CC0\u2CC2\u2CC4\u2CC6\u2CC8\u2CCA\u2CCC\u2CCE\u2CD0\u2CD2\u2CD4\u2CD6\u2CD8\u2CDA\u2CDC\u2CDE\u2CE0\u2CE2\u2CEB\u2CED\u2CF2\uA640\uA642\uA644\uA646\uA648\uA64A\uA64C\uA64E\uA650\uA652\uA654\uA656\uA658\uA65A\uA65C\uA65E\uA660\uA662\uA664\uA666\uA668\uA66A\uA66C\uA680\uA682\uA684\uA686\uA688\uA68A\uA68C\uA68E\uA690\uA692\uA694\uA696\uA698\uA69A\uA722\uA724\uA726\uA728\uA72A\uA72C\uA72E\uA732\uA734\uA736\uA738\uA73A\uA73C\uA73E\uA740\uA742\uA744\uA746\uA748\uA74A\uA74C\uA74E\uA750\uA752\uA754\uA756\uA758\uA75A\uA75C\uA75E\uA760\uA762\uA764\uA766\uA768\uA76A\uA76C\uA76E\uA779\uA77B\uA77D-\uA77E\uA780\uA782\uA784\uA786\uA78B\uA78D\uA790\uA792\uA796\uA798\uA79A\uA79C\uA79E\uA7A0\uA7A2\uA7A4\uA7A6\uA7A8\uA7AA-\uA7AD\uA7B0-\uA7B4\uA7B6\uFF21-\uFF3A]/;
var peg$r10 = /^[\u0903\u093B\u093E-\u0940\u0949-\u094C\u094E-\u094F\u0982-\u0983\u09BE-\u09C0\u09C7-\u09C8\u09CB-\u09CC\u09D7\u0A03\u0A3E-\u0A40\u0A83\u0ABE-\u0AC0\u0AC9\u0ACB-\u0ACC\u0B02-\u0B03\u0B3E\u0B40\u0B47-\u0B48\u0B4B-\u0B4C\u0B57\u0BBE-\u0BBF\u0BC1-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCC\u0BD7\u0C01-\u0C03\u0C41-\u0C44\u0C82-\u0C83\u0CBE\u0CC0-\u0CC4\u0CC7-\u0CC8\u0CCA-\u0CCB\u0CD5-\u0CD6\u0D02-\u0D03\u0D3E-\u0D40\u0D46-\u0D48\u0D4A-\u0D4C\u0D57\u0D82-\u0D83\u0DCF-\u0DD1\u0DD8-\u0DDF\u0DF2-\u0DF3\u0F3E-\u0F3F\u0F7F\u102B-\u102C\u1031\u1038\u103B-\u103C\u1056-\u1057\u1062-\u1064\u1067-\u106D\u1083-\u1084\u1087-\u108C\u108F\u109A-\u109C\u17B6\u17BE-\u17C5\u17C7-\u17C8\u1923-\u1926\u1929-\u192B\u1930-\u1931\u1933-\u1938\u1A19-\u1A1A\u1A55\u1A57\u1A61\u1A63-\u1A64\u1A6D-\u1A72\u1B04\u1B35\u1B3B\u1B3D-\u1B41\u1B43-\u1B44\u1B82\u1BA1\u1BA6-\u1BA7\u1BAA\u1BE7\u1BEA-\u1BEC\u1BEE\u1BF2-\u1BF3\u1C24-\u1C2B\u1C34-\u1C35\u1CE1\u1CF2-\u1CF3\u302E-\u302F\uA823-\uA824\uA827\uA880-\uA881\uA8B4-\uA8C3\uA952-\uA953\uA983\uA9B4-\uA9B5\uA9BA-\uA9BB\uA9BD-\uA9C0\uAA2F-\uAA30\uAA33-\uAA34\uAA4D\uAA7B\uAA7D\uAAEB\uAAEE-\uAAEF\uAAF5\uABE3-\uABE4\uABE6-\uABE7\uABE9-\uABEA\uABEC]/;
var peg$r11 = /^[\u0300-\u036F\u0483-\u0487\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08E3-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962-\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2-\u09E3\u0A01-\u0A02\u0A3C\u0A41-\u0A42\u0A47-\u0A48\u0A4B-\u0A4D\u0A51\u0A70-\u0A71\u0A75\u0A81-\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7-\u0AC8\u0ACD\u0AE2-\u0AE3\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62-\u0B63\u0B82\u0BC0\u0BCD\u0C00\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55-\u0C56\u0C62-\u0C63\u0C81\u0CBC\u0CBF\u0CC6\u0CCC-\u0CCD\u0CE2-\u0CE3\u0D01\u0D41-\u0D44\u0D4D\u0D62-\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EB9\u0EBB-\u0EBC\u0EC8-\u0ECD\u0F18-\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86-\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039-\u103A\u103D-\u103E\u1058-\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085-\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752-\u1753\u1772-\u1773\u17B4-\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u18A9\u1920-\u1922\u1927-\u1928\u1932\u1939-\u193B\u1A17-\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ABD\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80-\u1B81\u1BA2-\u1BA5\u1BA8-\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8-\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36-\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8-\u1CF9\u1DC0-\u1DF5\u1DFC-\u1DFF\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099-\u309A\uA66F\uA674-\uA67D\uA69E-\uA69F\uA6F0-\uA6F1\uA802\uA806\uA80B\uA825-\uA826\uA8C4\uA8E0-\uA8F1\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9E5\uAA29-\uAA2E\uAA31-\uAA32\uAA35-\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7-\uAAB8\uAABE-\uAABF\uAAC1\uAAEC-\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F]/;
var peg$r12 = /^[0-9\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0DE6-\u0DEF\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uA9F0-\uA9F9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19]/;
var peg$r13 = /^[\u16EE-\u16F0\u2160-\u2182\u2185-\u2188\u3007\u3021-\u3029\u3038-\u303A\uA6E6-\uA6EF]/;
var peg$r14 = /^[_\u203F-\u2040\u2054\uFE33-\uFE34\uFE4D-\uFE4F\uFF3F]/;
var peg$r15 = /^[ \xA0\u1680\u2000-\u200A\u202F\u205F\u3000]/;

var peg$e0 = peg$literalExpectation("=", false);
var peg$e1 = peg$ruleExpectation("attribute");
var peg$e2 = peg$literalExpectation("/", false);
var peg$e3 = peg$literalExpectation("@", false);
var peg$e4 = peg$literalExpectation(":", false);
var peg$e5 = peg$literalExpectation("$", false);
var peg$e6 = peg$literalExpectation("&", false);
var peg$e7 = peg$literalExpectation("!", false);
var peg$e8 = peg$literalExpectation("?", false);
var peg$e9 = peg$literalExpectation("*", false);
var peg$e10 = peg$literalExpectation("+", false);
var peg$e11 = peg$literalExpectation("|", false);
var peg$e12 = peg$literalExpectation(",", false);
var peg$e13 = peg$literalExpectation("..", false);
var peg$e14 = peg$literalExpectation("(", false);
var peg$e15 = peg$literalExpectation(")", false);
var peg$e16 = { type: 'any' };
var peg$e17 = peg$ruleExpectation("whitespace");
var peg$e18 = peg$classExpectation(["\n", "\r", "\u2028", "\u2029"], false, false);
var peg$e19 = peg$ruleExpectation("end of line");
var peg$e20 = peg$ruleExpectation("comment");
var peg$e21 = peg$literalExpectation("/*", false);
var peg$e22 = peg$literalExpectation("*/", false);
var peg$e23 = peg$literalExpectation("//", false);
var peg$e24 = peg$ruleExpectation("identifier");
var peg$e25 = peg$ruleExpectation("literal");
var peg$e26 = peg$ruleExpectation("string");
var peg$e27 = peg$ruleExpectation("character class");
var peg$e28 = peg$classExpectation([["0", "9"]], false, false);
var peg$e29 = peg$literalExpectation(".", false);
var peg$e30 = peg$ruleExpectation("code block");
var peg$e31 = peg$literalExpectation(";", false);

var peg$f0;
var peg$f1;
var peg$f2;
var peg$f3;
var peg$f4;
var peg$f5;
var peg$f6;
var peg$f7;
var peg$f8;
var peg$f9;
var peg$f10;
var peg$f11;
var peg$f12;
var peg$f13;
var peg$f14;
var peg$f15;
var peg$f16;
var peg$f17;
var peg$f18;
var peg$f19;
var peg$f20;
var peg$f21;
var peg$f22;
var peg$f23;
var peg$f24;
var peg$f25;
var peg$f26;
var peg$f27;
var peg$f28;
var peg$f29;
var peg$f30;
var peg$f31;
var peg$f32;
var peg$f33;
var peg$f34;
var peg$f35;
var peg$f36;
var peg$f37;
var peg$f38;

function peg$init(input, options, state) {


    const OPS_TO_PREFIXED_TYPES = {
      "$": "text",
      "&": "simple_and",
      "!": "simple_not"
    };

    const OPS_TO_SUFFIXED_TYPES = {
      "?": "optional",
      "*": "zero_or_more",
      "+": "one_or_more"
    };

    const OPS_TO_SEMANTIC_PREDICATE_TYPES = {
      "&": "semantic_and",
      "!": "semantic_not"
    };

    const RESERVED_WORDS_JS = [
      "break",
      "case",
      "catch",
      "class",
      "const",
      "continue",
      "debugger",
      "default",
      "delete",
      "do",
      "else",
      "enum",
      "export",
      "extends",
      "false",
      "finally",
      "for",
      "function",
      "if",
      "import",
      "instanceof",
      "in",
      "new",
      "null",
      "return",
      "super",
      "switch",
      "this",
      "throw",
      "true",
      "try",
      "typeof",
      "var",
      "void",
      "while",
      "with"
    ];


    let reservedWords = new Set(RESERVED_WORDS_JS);
    let comments = {};
    function addComment(comment, multiline) {
      let loc = state.location();
      comment = {
        text: comment,
        multiline: multiline,
        location: loc
      };
      comments[loc.start.offset] = comment;
      return comment;
    }


  peg$f0 = function(initializer, rules) {
      return {
        type: "grammar",
        initializer,
        rules,
        comments,
        location: state.location()
      };
    };
  peg$f1 = function(code) {
      return {
        type: "initializer",
        attributes: code[0],
        code: code[1],
        location: state.location()
      };
    };
  peg$f2 = function(attributes, name, displayName, expression) {
      return {
        type: "rule",
        name,
        attributes,
        expression: displayName !== null
          ? {
              type: "named",
              name: displayName,
              expression: expression,
              location: state.location()
            }
          : expression,
        location: state.location()
      };
    };
  peg$f3 = function(name, value) {
    return {
      type: "attribute",
      name,
      value,
      location: state.location()
    };
  };
  peg$f4 = function(head, tail) {
      return tail.length > 0
        ? {
            type: "choice",
            alternatives: [head, ...tail],
            location: state.location()
          }
        : head;
    };
  peg$f5 = function(expression, code) {
      return code !== null
        ? {
            type: "action",
            attributes: code[0],
            expression,
            code: code[1],
            location: state.location()
          }
        : expression;
    };
  peg$f6 = function(head, tail) {
      return head === null
        ? { type: "sequence", elements: [], location: state.location() }
        : tail.length > 0
          ? {
              type: "sequence",
              elements: [head, ...tail],
              location: state.location()
            }
          : head;
    };
  peg$f7 = function(label, expression) {
      if (label && reservedWords.has(label[0])) {
        state.error(`Label can't be a reserved word "${label[0]}".`, label[1]);
      }

      return {
        type: "labeled",
        label: label ? label[0] :null,
        auto: true,
        expression,
        location: state.location()
      };
    };
  peg$f8 = function(label, expression) {
      if (reservedWords.has(label[0])) {
        state.error(`Label can't be a reserved word "${label[0]}".`, label[1]);
      }

      return {
        type: "labeled",
        label: label[0],
        auto: false,
        expression: expression,
        location: state.location()
      };
    };
  peg$f9 = function(operator, expression) {
      return {
        type: OPS_TO_PREFIXED_TYPES[operator],
        expression,
        location: state.location()
      };
    };
  peg$f10 = function(expression, operator) {
      return {
        type: OPS_TO_SUFFIXED_TYPES[operator],
        expression,
        location: state.location()
      };
    };
  peg$f11 = function(expression, operator) {
      let min = operator[0];
      let max = operator[1];
      if (max.constant && max.value === 0) {
        state.error("The maximum count of repetitions of the rule must be > 0.", max.location);
      }
      return {
        type: "range",
        min,
        max,
        expression,
        delimiter: operator[2],
        location: state.location()
      };
    };
  peg$f12 = function(exact, delimiter) {
      return [exact, exact, delimiter];
    };
  peg$f13 = function(min, max, delimiter) {
    return [
      min !== null ? min : { constant: true, value: 0 },
      max !== null ? max : { constant: true, value: null },
      delimiter
    ];
  };
  peg$f14 = function(value) { return { constant: true, value, location: state.location() }; };
  peg$f15 = function(value) { return { constant: false, value: value[0], location: state.location() }; };
  peg$f16 = function(expression) {
      // The purpose of the "group" AST node is just to isolate label scope. We
      // don't need to put it around nodes that can't contain any labels or
      // nodes that already isolate label scope themselves. This leaves us with
      // "labeled" and "sequence".
      return expression.type === "labeled" || expression.type === "sequence"
          ? { type: "group", expression, location: state.location() }
          : expression;
    };
  peg$f17 = function(name) {
      return { type: "rule_ref", name, location: state.location() };
    };
  peg$f18 = function(operator, code) {
      return {
        type: OPS_TO_SEMANTIC_PREDICATE_TYPES[operator],
        attributes: code[0],
        code: code[1],
        location: state.location()
      };
    };
  peg$f19 = function(comment) {
    return addComment(comment, true);
  };
  peg$f20 = function(comment) {
    return addComment(comment, false);
  };
  peg$f21 = function(name) { return [name, state.location()]; };
  peg$f22 = function(head, tail) { return head + tail.join(""); };
  peg$f23 = function(value, ignoreCase) {
      return {
        type: "literal",
        value,
        ignoreCase: ignoreCase !== null,
        location: state.location()
      };
    };
  peg$f24 = function(chars) { return chars.join(""); };
  peg$f25 = function(inverted, parts, ignoreCase) {
      return {
        type: "class",
        parts: parts.filter(part => part !== ""),
        inverted: inverted !== null,
        ignoreCase: ignoreCase !== null,
        location: state.location()
      };
    };
  peg$f26 = function(begin, end) {
      if (begin.charCodeAt(0) > end.charCodeAt(0)) {
        state.error(
          "Invalid character range: " + state.text() + "."
        );
      }

      return [begin, end];
    };
  peg$f27 = function() { return ""; };
  peg$f28 = function() { return "\0"; };
  peg$f29 = function() { return "\b"; };
  peg$f30 = function() { return "\f"; };
  peg$f31 = function() { return "\n"; };
  peg$f32 = function() { return "\r"; };
  peg$f33 = function() { return "\t"; };
  peg$f34 = function() { return "\v"; };
  peg$f35 = function(digits) {
      return String.fromCharCode(parseInt(digits, 16));
    };
  peg$f36 = function() { return { type: "any", location: state.location() }; };
  peg$f37 = function() { state.error("Unbalanced brace."); };
  peg$f38 = function(digits) { return parseInt(digits); };
}

function peg$define(options, state) {
  var FAILED = peg$ParserState.FAILED;
  var silentFails = 0;

  function parseGrammar() {
    var r0, r1, r2, r3, r4;
    var p0, p1, p2;

    p0 = state._offset;
    do {
      r0 = parse__();
      p1 = state._offset;
      do {
        r1 = parseInitializer();
        if (r1 === FAILED) {
          state._offset = p1;
          r1 = FAILED;
          break;
        }
        r2 = parse__();
      } while (false);
      if (r1 === FAILED) {
        r1 = null;
      }
      p1 = state._offset;
      r2 = [];
      do {
        p2 = state._offset;
        do {
          r3 = parseRule();
          if (r3 === FAILED) {
            state._offset = p2;
            r3 = FAILED;
            break;
          }
          r4 = parse__();
        } while (false);
        if (r3 === FAILED) {
          break;
        } else {
          r2.push(r3);
        }
      } while (true);
      if (r2.length < 1) {
        state._offset = p1;
        r2 = FAILED;
      }
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f0(r1, r2);
    } while (false);

    return r0;
  }

  function parseInitializer() {
    var r0, r1;
    var p0;

    p0 = state._offset;
    do {
      r0 = parseCodeBlock();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parseEOS();
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f1(r0);
    } while (false);

    return r0;
  }

  function parseRule() {
    var r0, r1, r2, r3, r4, r5, r6, r7;
    var p0, p1;

    p0 = state._offset;
    do {
      r0 = [];
      do {
        p1 = state._offset;
        do {
          r1 = parseAttribute();
          if (r1 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r2 = parse__();
        } while (false);
        if (r1 === FAILED) {
          break;
        } else {
          r0.push(r1);
        }
      } while (true);
      r1 = parseIdentifierName();
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r2 = parse__();
      p1 = state._offset;
      do {
        r3 = parseStringLiteral();
        if (r3 === FAILED) {
          state._offset = p1;
          r3 = FAILED;
          break;
        }
        r4 = parse__();
      } while (false);
      if (r3 === FAILED) {
        r3 = null;
      }
      if (silentFails === 0) { state._expect(peg$e0); }
      r4 = state.matchChar(peg$c0, 61);
      if (r4 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r5 = parse__();
      r6 = parseChoiceExpression();
      r7 = parseEOS();
      if (r7 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f2(r0, r1, r3, r6);
    } while (false);

    return r0;
  }

  function parseAttribute() {
    var r0, r1, r2, r3, r4;
    var p0;

    if (silentFails === 0) { state._expect(peg$e1); }
    silentFails++;
    p0 = state._offset;
    do {
      r0 = state.matchLiteral(peg$c1);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parseIdentifierName();
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r2 = parse__();
      r3 = parseAttributeValue();
      if (r3 === FAILED) {
        r3 = null;
      }
      r4 = state.matchChar(peg$c2, 93);
      if (r4 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f3(r1, r3);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseAttributeValue() {
    var r0, r1, r2;
    var p0;

    p0 = state._offset;
    do {
      r0 = state.matchChar(peg$c3, 40);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parseBalancedParenthesis();
      if (r1 === FAILED) {
        r1 = null;
      }
      r2 = state.matchChar(peg$c4, 41);
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r0 = r1;
    } while (false);

    return r0;
  }

  function parseBalancedParenthesis() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3, p4;

    p0 = state._offset;
    p1 = state._offset;
    r0 = [];
    do {
      do {
        p2 = state._offset;
        r1 = [];
        do {
          p3 = state._offset;
          do {
            p4 = state._offset;
            state._begin();
            r2 = state.matchClass(peg$r0);
            state._end(true);
            if (r2 === FAILED) {
              r2 = undefined;
            } else {
              state._offset = p4;
              r2 = FAILED;
            }
            if (r2 === FAILED) {
              state._offset = p3;
              r2 = FAILED;
              break;
            }
            r3 = state.matchAny();
            if (r3 === FAILED) {
              state._offset = p3;
              r2 = FAILED;
              break;
            }
            r2 = [r2, r3];
          } while (false);
          if (r2 === FAILED) {
            break;
          } else {
            r1.push(r2);
          }
        } while (true);
        if (r1.length < 1) {
          state._offset = p2;
          r1 = FAILED;
        }
        if (r1 !== FAILED) {
          break;
        }
        p2 = state._offset;
        do {
          r1 = state.matchChar(peg$c3, 40);
          if (r1 === FAILED) {
            state._offset = p2;
            r1 = FAILED;
            break;
          }
          r2 = parseBalancedParenthesis();
          if (r2 === FAILED) {
            state._offset = p2;
            r1 = FAILED;
            break;
          }
          r3 = state.matchChar(peg$c4, 41);
          if (r3 === FAILED) {
            state._offset = p2;
            r1 = FAILED;
            break;
          }
          r1 = [r1, r2, r3];
        } while (false);
      } while (false);
      if (r1 === FAILED) {
        break;
      } else {
        r0.push(r1);
      }
    } while (true);
    if (r0.length < 1) {
      state._offset = p1;
      r0 = FAILED;
    }
    if (r0 !== FAILED) {
      r0 = state.input.substring(p0, state._offset);
    }

    return r0;
  }

  function parseChoiceExpression() {
    var r0, r1, r2, r3, r4, r5;
    var p0, p1;

    p0 = state._offset;
    do {
      r0 = parseActionExpression();
      r1 = [];
      do {
        p1 = state._offset;
        do {
          r2 = parse__();
          if (silentFails === 0) { state._expect(peg$e2); }
          r3 = state.matchChar(peg$c5, 47);
          if (r3 === FAILED) {
            state._offset = p1;
            r2 = FAILED;
            break;
          }
          r4 = parse__();
          r5 = parseActionExpression();
          r2 = r5;
        } while (false);
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      state._mark = p0;
      r0 = peg$f4(r0, r1);
    } while (false);

    return r0;
  }

  function parseActionExpression() {
    var r0, r1, r2;
    var p0, p1;

    p0 = state._offset;
    do {
      r0 = parseSequenceExpression();
      p1 = state._offset;
      do {
        r1 = parse__();
        r2 = parseCodeBlock();
        if (r2 === FAILED) {
          state._offset = p1;
          r1 = FAILED;
          break;
        }
        r1 = r2;
      } while (false);
      if (r1 === FAILED) {
        r1 = null;
      }
      state._mark = p0;
      r0 = peg$f5(r0, r1);
    } while (false);

    return r0;
  }

  function parseSequenceExpression() {
    var r0, r1, r2, r3;
    var p0, p1;

    p0 = state._offset;
    do {
      r0 = parseLabeledExpression();
      if (r0 === FAILED) {
        r0 = null;
      }
      r1 = [];
      do {
        p1 = state._offset;
        do {
          r2 = parse__();
          r3 = parseLabeledExpression();
          if (r3 === FAILED) {
            state._offset = p1;
            r2 = FAILED;
            break;
          }
          r2 = r3;
        } while (false);
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      state._mark = p0;
      r0 = peg$f6(r0, r1);
    } while (false);

    return r0;
  }

  function parseLabeledExpression() {
    var r0, r1, r2, r3, r4;
    var p0, p1;

    do {
      p0 = state._offset;
      do {
        if (silentFails === 0) { state._expect(peg$e3); }
        r0 = state.matchChar(peg$c6, 64);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        p1 = state._offset;
        do {
          r1 = parseIdentifier();
          if (r1 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r2 = parse__();
          if (silentFails === 0) { state._expect(peg$e4); }
          r3 = state.matchChar(peg$c7, 58);
          if (r3 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
        } while (false);
        if (r1 === FAILED) {
          r1 = null;
        }
        r2 = parse__();
        r3 = parsePrefixedExpression();
        if (r3 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f7(r1, r3);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = parseIdentifier();
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        if (silentFails === 0) { state._expect(peg$e4); }
        r2 = state.matchChar(peg$c7, 58);
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r3 = parse__();
        r4 = parsePrefixedExpression();
        if (r4 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f8(r0, r4);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parsePrefixedExpression();
    } while (false);

    return r0;
  }

  function parsePrefixedExpression() {
    var r0, r1, r2;
    var p0;

    do {
      p0 = state._offset;
      do {
        r0 = parsePrefixedOperator();
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        r2 = parseSuffixedExpression();
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f9(r0, r2);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseSuffixedExpression();
    } while (false);

    return r0;
  }

  function parsePrefixedOperator() {
    var r0;


    do {
      if (silentFails === 0) { state._expect(peg$e5); }
      r0 = state.matchChar(peg$c8, 36);
      if (r0 !== FAILED) {
        break;
      }
      if (silentFails === 0) { state._expect(peg$e6); }
      r0 = state.matchChar(peg$c9, 38);
      if (r0 !== FAILED) {
        break;
      }
      if (silentFails === 0) { state._expect(peg$e7); }
      r0 = state.matchChar(peg$c10, 33);
    } while (false);

    return r0;
  }

  function parseSuffixedExpression() {
    var r0, r1, r2;
    var p0;

    do {
      p0 = state._offset;
      do {
        r0 = parsePrimaryExpression();
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        r2 = parseSuffixedOperator();
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f10(r0, r2);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseRangeExpression();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parsePrimaryExpression();
    } while (false);

    return r0;
  }

  function parseSuffixedOperator() {
    var r0;


    do {
      if (silentFails === 0) { state._expect(peg$e8); }
      r0 = state.matchChar(peg$c11, 63);
      if (r0 !== FAILED) {
        break;
      }
      if (silentFails === 0) { state._expect(peg$e9); }
      r0 = state.matchChar(peg$c12, 42);
      if (r0 !== FAILED) {
        break;
      }
      if (silentFails === 0) { state._expect(peg$e10); }
      r0 = state.matchChar(peg$c13, 43);
    } while (false);

    return r0;
  }

  function parseRangeExpression() {
    var r0, r1, r2;
    var p0;

    p0 = state._offset;
    do {
      r0 = parsePrimaryExpression();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parse__();
      r2 = parseRangeOperator();
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f11(r0, r2);
    } while (false);

    return r0;
  }

  function parseRangeOperator() {
    var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
    var p0, p1;

    do {
      p0 = state._offset;
      do {
        if (silentFails === 0) { state._expect(peg$e11); }
        r0 = state.matchChar(peg$c14, 124);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        r2 = parseRangeBoundary();
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r3 = parse__();
        p1 = state._offset;
        do {
          if (silentFails === 0) { state._expect(peg$e12); }
          r4 = state.matchChar(peg$c15, 44);
          if (r4 === FAILED) {
            state._offset = p1;
            r4 = FAILED;
            break;
          }
          r5 = parse__();
          r6 = parseChoiceExpression();
          if (r6 === FAILED) {
            state._offset = p1;
            r4 = FAILED;
            break;
          }
          r7 = parse__();
          r4 = r6;
        } while (false);
        if (r4 === FAILED) {
          r4 = null;
        }
        if (silentFails === 0) { state._expect(peg$e11); }
        r5 = state.matchChar(peg$c14, 124);
        if (r5 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f12(r2, r4);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        if (silentFails === 0) { state._expect(peg$e11); }
        r0 = state.matchChar(peg$c14, 124);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        r2 = parseRangeBoundary();
        if (r2 === FAILED) {
          r2 = null;
        }
        r3 = parse__();
        if (silentFails === 0) { state._expect(peg$e13); }
        r4 = state.matchLiteral(peg$c16);
        if (r4 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r5 = parse__();
        r6 = parseRangeBoundary();
        if (r6 === FAILED) {
          r6 = null;
        }
        r7 = parse__();
        p1 = state._offset;
        do {
          if (silentFails === 0) { state._expect(peg$e12); }
          r8 = state.matchChar(peg$c15, 44);
          if (r8 === FAILED) {
            state._offset = p1;
            r8 = FAILED;
            break;
          }
          r9 = parse__();
          r10 = parseChoiceExpression();
          if (r10 === FAILED) {
            state._offset = p1;
            r8 = FAILED;
            break;
          }
          r11 = parse__();
          r8 = r10;
        } while (false);
        if (r8 === FAILED) {
          r8 = null;
        }
        if (silentFails === 0) { state._expect(peg$e11); }
        r9 = state.matchChar(peg$c14, 124);
        if (r9 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f13(r2, r6, r8);
      } while (false);
    } while (false);

    return r0;
  }

  function parseRangeBoundary() {
    var r0;
    var p0;

    do {
      p0 = state._offset;
      r0 = parseInt();
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f14(r0);
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = parseIdentifier();
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f15(r0);
      }
    } while (false);

    return r0;
  }

  function parsePrimaryExpression() {
    var r0, r1, r2, r3, r4;
    var p0;

    do {
      r0 = parseLiteralMatcher();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseCharacterClassMatcher();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseAnyMatcher();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseRuleReferenceExpression();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseSemanticPredicateExpression();
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        if (silentFails === 0) { state._expect(peg$e14); }
        r0 = state.matchChar(peg$c3, 40);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parse__();
        r2 = parseChoiceExpression();
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r3 = parse__();
        if (silentFails === 0) { state._expect(peg$e15); }
        r4 = state.matchChar(peg$c4, 41);
        if (r4 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f16(r2);
      } while (false);
    } while (false);

    return r0;
  }

  function parseRuleReferenceExpression() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3;

    p0 = state._offset;
    do {
      r0 = parseIdentifierName();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      state._begin();
      p2 = state._offset;
      do {
        r1 = parse__();
        p3 = state._offset;
        do {
          r2 = parseStringLiteral();
          if (r2 === FAILED) {
            state._offset = p3;
            r2 = FAILED;
            break;
          }
          r3 = parse__();
          r2 = [r2, r3];
        } while (false);
        if (r2 === FAILED) {
          r2 = null;
        }
        if (silentFails === 0) { state._expect(peg$e0); }
        r3 = state.matchChar(peg$c0, 61);
        if (r3 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r1 = [r1, r2, r3];
      } while (false);
      state._end(true);
      if (r1 === FAILED) {
        r1 = undefined;
      } else {
        state._offset = p1;
        r1 = FAILED;
      }
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f17(r0);
    } while (false);

    return r0;
  }

  function parseSemanticPredicateExpression() {
    var r0, r1, r2;
    var p0;

    p0 = state._offset;
    do {
      r0 = parseSemanticPredicateOperator();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parse__();
      r2 = parseCodeBlock();
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f18(r0, r2);
    } while (false);

    return r0;
  }

  function parseSemanticPredicateOperator() {
    var r0;


    do {
      if (silentFails === 0) { state._expect(peg$e6); }
      r0 = state.matchChar(peg$c9, 38);
      if (r0 !== FAILED) {
        break;
      }
      if (silentFails === 0) { state._expect(peg$e7); }
      r0 = state.matchChar(peg$c10, 33);
    } while (false);

    return r0;
  }

  function parseSourceCharacter() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e16); }
    r0 = state.matchAny();

    return r0;
  }

  function parseWhiteSpace() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e17); }
    silentFails++;
    do {
      r0 = state.matchChar(peg$c17, 9);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c18, 11);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c19, 12);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c20, 32);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c21, 160);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c22, 65279);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseZs();
    } while (false);
    silentFails--;

    return r0;
  }

  function parseLineTerminator() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e18); }
    r0 = state.matchClass(peg$r1);

    return r0;
  }

  function parseLineTerminatorSequence() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e19); }
    silentFails++;
    do {
      r0 = state.matchChar(peg$c23, 10);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchLiteral(peg$c24);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c25, 13);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c26, 8232);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c27, 8233);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseComment() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e20); }
    silentFails++;
    do {
      r0 = parseMultiLineComment();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseSingleLineComment();
    } while (false);
    silentFails--;

    return r0;
  }

  function parseMultiLineComment() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3;

    p0 = state._offset;
    do {
      r0 = state.matchLiteral(peg$c28);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      r1 = [];
      do {
        p2 = state._offset;
        do {
          p3 = state._offset;
          state._begin();
          r2 = state.matchLiteral(peg$c29);
          state._end(true);
          if (r2 === FAILED) {
            r2 = undefined;
          } else {
            state._offset = p3;
            r2 = FAILED;
          }
          if (r2 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r3 = parseSourceCharacter();
          if (r3 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r2 = [r2, r3];
        } while (false);
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      r1 = state.input.substring(p1, state._offset);
      r2 = state.matchLiteral(peg$c29);
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f19(r1);
    } while (false);

    return r0;
  }

  function parseMultiLineCommentNoLineTerminator() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3;

    p0 = state._offset;
    do {
      if (silentFails === 0) { state._expect(peg$e21); }
      r0 = state.matchLiteral(peg$c28);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      r1 = [];
      do {
        p2 = state._offset;
        do {
          p3 = state._offset;
          state._begin();
          do {
            if (silentFails === 0) { state._expect(peg$e22); }
            r2 = state.matchLiteral(peg$c29);
            if (r2 !== FAILED) {
              break;
            }
            r2 = parseLineTerminator();
          } while (false);
          state._end(true);
          if (r2 === FAILED) {
            r2 = undefined;
          } else {
            state._offset = p3;
            r2 = FAILED;
          }
          if (r2 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r3 = parseSourceCharacter();
          if (r3 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r2 = [r2, r3];
        } while (false);
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      r1 = state.input.substring(p1, state._offset);
      if (silentFails === 0) { state._expect(peg$e22); }
      r2 = state.matchLiteral(peg$c29);
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f19(r1);
    } while (false);

    return r0;
  }

  function parseSingleLineComment() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3;

    p0 = state._offset;
    do {
      if (silentFails === 0) { state._expect(peg$e23); }
      r0 = state.matchLiteral(peg$c30);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      r1 = [];
      do {
        p2 = state._offset;
        do {
          p3 = state._offset;
          state._begin();
          r2 = parseLineTerminator();
          state._end(true);
          if (r2 === FAILED) {
            r2 = undefined;
          } else {
            state._offset = p3;
            r2 = FAILED;
          }
          if (r2 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r3 = parseSourceCharacter();
          if (r3 === FAILED) {
            state._offset = p2;
            r2 = FAILED;
            break;
          }
          r2 = [r2, r3];
        } while (false);
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      r1 = state.input.substring(p1, state._offset);
      state._mark = p0;
      r0 = peg$f20(r1);
    } while (false);

    return r0;
  }

  function parseIdentifier() {
    var r0;
    var p0;

    p0 = state._offset;
    r0 = parseIdentifierName();
    if (r0 !== FAILED) {
      state._mark = p0;
      r0 = peg$f21(r0);
    }

    return r0;
  }

  function parseIdentifierName() {
    var r0, r1, r2;
    var p0;

    if (silentFails === 0) { state._expect(peg$e24); }
    silentFails++;
    p0 = state._offset;
    do {
      r0 = parseIdentifierStart();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = [];
      do {
        r2 = parseIdentifierPart();
        if (r2 === FAILED) {
          break;
        } else {
          r1.push(r2);
        }
      } while (true);
      state._mark = p0;
      r0 = peg$f22(r0, r1);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseIdentifierStart() {
    var r0, r1;
    var p0;

    do {
      r0 = parseUnicodeLetter();
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c8, 36);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c31, 95);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c32, 92);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parseUnicodeEscapeSequence();
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = r1;
      } while (false);
    } while (false);

    return r0;
  }

  function parseIdentifierPart() {
    var r0;


    do {
      r0 = parseIdentifierStart();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseUnicodeCombiningMark();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseNd();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parsePc();
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c33, 8204);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c34, 8205);
    } while (false);

    return r0;
  }

  function parseUnicodeLetter() {
    var r0;


    do {
      r0 = parseLu();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLl();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLt();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLm();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLo();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseNl();
    } while (false);

    return r0;
  }

  function parseUnicodeCombiningMark() {
    var r0;


    do {
      r0 = parseMn();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseMc();
    } while (false);

    return r0;
  }

  function parseLiteralMatcher() {
    var r0, r1;
    var p0;

    if (silentFails === 0) { state._expect(peg$e25); }
    silentFails++;
    p0 = state._offset;
    do {
      r0 = parseStringLiteral();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = state.matchChar(peg$c35, 105);
      if (r1 === FAILED) {
        r1 = null;
      }
      state._mark = p0;
      r0 = peg$f23(r0, r1);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseStringLiteral() {
    var r0, r1, r2;
    var p0;

    if (silentFails === 0) { state._expect(peg$e26); }
    silentFails++;
    do {
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c36, 34);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = [];
        do {
          r2 = parseDoubleStringCharacter();
          if (r2 === FAILED) {
            break;
          } else {
            r1.push(r2);
          }
        } while (true);
        r2 = state.matchChar(peg$c36, 34);
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f24(r1);
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c37, 39);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = [];
        do {
          r2 = parseSingleStringCharacter();
          if (r2 === FAILED) {
            break;
          } else {
            r1.push(r2);
          }
        } while (true);
        r2 = state.matchChar(peg$c37, 39);
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f24(r1);
      } while (false);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseDoubleStringCharacter() {
    var r0, r1;
    var p0, p1, p2;

    do {
      p0 = state._offset;
      p1 = state._offset;
      do {
        p2 = state._offset;
        state._begin();
        do {
          r0 = state.matchChar(peg$c36, 34);
          if (r0 !== FAILED) {
            break;
          }
          r0 = state.matchChar(peg$c32, 92);
          if (r0 !== FAILED) {
            break;
          }
          r0 = parseLineTerminator();
        } while (false);
        state._end(true);
        if (r0 === FAILED) {
          r0 = undefined;
        } else {
          state._offset = p2;
          r0 = FAILED;
        }
        if (r0 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r1 = parseSourceCharacter();
        if (r1 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1];
      } while (false);
      if (r0 !== FAILED) {
        r0 = state.input.substring(p0, state._offset);
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c32, 92);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parseEscapeSequence();
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = r1;
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLineContinuation();
    } while (false);

    return r0;
  }

  function parseSingleStringCharacter() {
    var r0, r1;
    var p0, p1, p2;

    do {
      p0 = state._offset;
      p1 = state._offset;
      do {
        p2 = state._offset;
        state._begin();
        do {
          r0 = state.matchChar(peg$c37, 39);
          if (r0 !== FAILED) {
            break;
          }
          r0 = state.matchChar(peg$c32, 92);
          if (r0 !== FAILED) {
            break;
          }
          r0 = parseLineTerminator();
        } while (false);
        state._end(true);
        if (r0 === FAILED) {
          r0 = undefined;
        } else {
          state._offset = p2;
          r0 = FAILED;
        }
        if (r0 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r1 = parseSourceCharacter();
        if (r1 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1];
      } while (false);
      if (r0 !== FAILED) {
        r0 = state.input.substring(p0, state._offset);
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c32, 92);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parseEscapeSequence();
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = r1;
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLineContinuation();
    } while (false);

    return r0;
  }

  function parseCharacterClassMatcher() {
    var r0, r1, r2, r3, r4;
    var p0;

    if (silentFails === 0) { state._expect(peg$e27); }
    silentFails++;
    p0 = state._offset;
    do {
      r0 = state.matchChar(peg$c38, 91);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = state.matchChar(peg$c39, 94);
      if (r1 === FAILED) {
        r1 = null;
      }
      r2 = [];
      do {
        do {
          r3 = parseClassCharacterRange();
          if (r3 !== FAILED) {
            break;
          }
          r3 = parseClassCharacter();
        } while (false);
        if (r3 === FAILED) {
          break;
        } else {
          r2.push(r3);
        }
      } while (true);
      r3 = state.matchChar(peg$c2, 93);
      if (r3 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r4 = state.matchChar(peg$c35, 105);
      if (r4 === FAILED) {
        r4 = null;
      }
      state._mark = p0;
      r0 = peg$f25(r1, r2, r4);
    } while (false);
    silentFails--;

    return r0;
  }

  function parseClassCharacterRange() {
    var r0, r1, r2;
    var p0;

    p0 = state._offset;
    do {
      r0 = parseClassCharacter();
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = state.matchChar(peg$c40, 45);
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r2 = parseClassCharacter();
      if (r2 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f26(r0, r2);
    } while (false);

    return r0;
  }

  function parseClassCharacter() {
    var r0, r1;
    var p0, p1, p2;

    do {
      p0 = state._offset;
      p1 = state._offset;
      do {
        p2 = state._offset;
        state._begin();
        do {
          r0 = state.matchChar(peg$c2, 93);
          if (r0 !== FAILED) {
            break;
          }
          r0 = state.matchChar(peg$c32, 92);
          if (r0 !== FAILED) {
            break;
          }
          r0 = parseLineTerminator();
        } while (false);
        state._end(true);
        if (r0 === FAILED) {
          r0 = undefined;
        } else {
          state._offset = p2;
          r0 = FAILED;
        }
        if (r0 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r1 = parseSourceCharacter();
        if (r1 === FAILED) {
          state._offset = p1;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1];
      } while (false);
      if (r0 !== FAILED) {
        r0 = state.input.substring(p0, state._offset);
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c32, 92);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r1 = parseEscapeSequence();
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = r1;
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseLineContinuation();
    } while (false);

    return r0;
  }

  function parseLineContinuation() {
    var r0, r1;
    var p0;

    p0 = state._offset;
    do {
      r0 = state.matchChar(peg$c32, 92);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r1 = parseLineTerminatorSequence();
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f27();
    } while (false);

    return r0;
  }

  function parseEscapeSequence() {
    var r0, r1;
    var p0, p1;

    do {
      r0 = parseCharacterEscapeSequence();
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = state.matchChar(peg$c41, 48);
        if (r0 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        p1 = state._offset;
        state._begin();
        r1 = parseDecimalDigit();
        state._end(true);
        if (r1 === FAILED) {
          r1 = undefined;
        } else {
          state._offset = p1;
          r1 = FAILED;
        }
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        state._mark = p0;
        r0 = peg$f28();
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseHexEscapeSequence();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseUnicodeEscapeSequence();
    } while (false);

    return r0;
  }

  function parseCharacterEscapeSequence() {
    var r0;


    do {
      r0 = parseSingleEscapeCharacter();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseNonEscapeCharacter();
    } while (false);

    return r0;
  }

  function parseSingleEscapeCharacter() {
    var r0;
    var p0;

    do {
      r0 = state.matchChar(peg$c37, 39);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c36, 34);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c32, 92);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c42, 98);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f29();
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c43, 102);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f30();
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c44, 110);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f31();
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c45, 114);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f32();
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c46, 116);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f33();
      }
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      r0 = state.matchChar(peg$c47, 118);
      if (r0 !== FAILED) {
        state._mark = p0;
        r0 = peg$f34();
      }
    } while (false);

    return r0;
  }

  function parseNonEscapeCharacter() {
    var r0, r1;
    var p0, p1, p2;

    p0 = state._offset;
    p1 = state._offset;
    do {
      p2 = state._offset;
      state._begin();
      do {
        r0 = parseEscapeCharacter();
        if (r0 !== FAILED) {
          break;
        }
        r0 = parseLineTerminator();
      } while (false);
      state._end(true);
      if (r0 === FAILED) {
        r0 = undefined;
      } else {
        state._offset = p2;
        r0 = FAILED;
      }
      if (r0 === FAILED) {
        state._offset = p1;
        r0 = FAILED;
        break;
      }
      r1 = parseSourceCharacter();
      if (r1 === FAILED) {
        state._offset = p1;
        r0 = FAILED;
        break;
      }
      r0 = [r0, r1];
    } while (false);
    if (r0 !== FAILED) {
      r0 = state.input.substring(p0, state._offset);
    }

    return r0;
  }

  function parseEscapeCharacter() {
    var r0;


    do {
      r0 = parseSingleEscapeCharacter();
      if (r0 !== FAILED) {
        break;
      }
      r0 = parseDecimalDigit();
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c48, 120);
      if (r0 !== FAILED) {
        break;
      }
      r0 = state.matchChar(peg$c49, 117);
    } while (false);

    return r0;
  }

  function parseHexEscapeSequence() {
    var r0, r1, r2;
    var p0, p1, p2;

    p0 = state._offset;
    do {
      r0 = state.matchChar(peg$c48, 120);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      p2 = state._offset;
      do {
        r1 = parseHexDigit();
        if (r1 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r2 = parseHexDigit();
        if (r2 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r1 = [r1, r2];
      } while (false);
      if (r1 !== FAILED) {
        r1 = state.input.substring(p1, state._offset);
      }
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f35(r1);
    } while (false);

    return r0;
  }

  function parseUnicodeEscapeSequence() {
    var r0, r1, r2, r3, r4;
    var p0, p1, p2;

    p0 = state._offset;
    do {
      r0 = state.matchChar(peg$c49, 117);
      if (r0 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      p1 = state._offset;
      p2 = state._offset;
      do {
        r1 = parseHexDigit();
        if (r1 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r2 = parseHexDigit();
        if (r2 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r3 = parseHexDigit();
        if (r3 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r4 = parseHexDigit();
        if (r4 === FAILED) {
          state._offset = p2;
          r1 = FAILED;
          break;
        }
        r1 = [r1, r2, r3, r4];
      } while (false);
      if (r1 !== FAILED) {
        r1 = state.input.substring(p1, state._offset);
      }
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      state._mark = p0;
      r0 = peg$f35(r1);
    } while (false);

    return r0;
  }

  function parseDecimalDigit() {
    var r0;


    if (silentFails === 0) { state._expect(peg$e28); }
    r0 = state.matchClass(peg$r2);

    return r0;
  }

  function parseHexDigit() {
    var r0;


    r0 = state.matchClass(peg$r3);

    return r0;
  }

  function parseAnyMatcher() {
    var r0;
    var p0;

    p0 = state._offset;
    if (silentFails === 0) { state._expect(peg$e29); }
    r0 = state.matchChar(peg$c50, 46);
    if (r0 !== FAILED) {
      state._mark = p0;
      r0 = peg$f36();
    }

    return r0;
  }

  function parseCodeBlock() {
    var r0, r1, r2, r3;
    var p0, p1;

    if (silentFails === 0) { state._expect(peg$e30); }
    silentFails++;
    p0 = state._offset;
    do {
      r0 = [];
      do {
        p1 = state._offset;
        do {
          r1 = parseAttribute();
          if (r1 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r2 = parse__();
        } while (false);
        if (r1 === FAILED) {
          break;
        } else {
          r0.push(r1);
        }
      } while (true);
      do {
        p1 = state._offset;
        do {
          r1 = state.matchChar(peg$c51, 123);
          if (r1 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r2 = parseCode();
          r3 = state.matchChar(peg$c52, 125);
          if (r3 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r1 = r2;
        } while (false);
        if (r1 !== FAILED) {
          break;
        }
        p1 = state._offset;
        r1 = state.matchChar(peg$c51, 123);
        if (r1 !== FAILED) {
          state._mark = p1;
          r1 = peg$f37();
        }
      } while (false);
      if (r1 === FAILED) {
        state._offset = p0;
        r0 = FAILED;
        break;
      }
      r0 = [r0, r1];
    } while (false);
    silentFails--;

    return r0;
  }

  function parseCode() {
    var r0, r1, r2, r3;
    var p0, p1, p2, p3;

    p0 = state._offset;
    r0 = [];
    do {
      do {
        p1 = state._offset;
        r1 = [];
        do {
          p2 = state._offset;
          do {
            p3 = state._offset;
            state._begin();
            r2 = state.matchClass(peg$r4);
            state._end(true);
            if (r2 === FAILED) {
              r2 = undefined;
            } else {
              state._offset = p3;
              r2 = FAILED;
            }
            if (r2 === FAILED) {
              state._offset = p2;
              r2 = FAILED;
              break;
            }
            r3 = parseSourceCharacter();
            if (r3 === FAILED) {
              state._offset = p2;
              r2 = FAILED;
              break;
            }
            r2 = [r2, r3];
          } while (false);
          if (r2 === FAILED) {
            break;
          } else {
            r1.push(r2);
          }
        } while (true);
        if (r1.length < 1) {
          state._offset = p1;
          r1 = FAILED;
        }
        if (r1 !== FAILED) {
          break;
        }
        p1 = state._offset;
        do {
          r1 = state.matchChar(peg$c51, 123);
          if (r1 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r2 = parseCode();
          r3 = state.matchChar(peg$c52, 125);
          if (r3 === FAILED) {
            state._offset = p1;
            r1 = FAILED;
            break;
          }
          r1 = [r1, r2, r3];
        } while (false);
      } while (false);
      if (r1 === FAILED) {
        break;
      } else {
        r0.push(r1);
      }
    } while (true);
    r0 = state.input.substring(p0, state._offset);

    return r0;
  }

  function parseInt() {
    var r0, r1;
    var p0, p1, p2;

    p0 = state._offset;
    p1 = state._offset;
    p2 = state._offset;
    r0 = [];
    do {
      r1 = parseDecimalDigit();
      if (r1 === FAILED) {
        break;
      } else {
        r0.push(r1);
      }
    } while (true);
    if (r0.length < 1) {
      state._offset = p2;
      r0 = FAILED;
    }
    if (r0 !== FAILED) {
      r0 = state.input.substring(p1, state._offset);
    }
    if (r0 !== FAILED) {
      state._mark = p0;
      r0 = peg$f38(r0);
    }

    return r0;
  }

  function parseLl() {
    var r0;


    r0 = state.matchClass(peg$r5);

    return r0;
  }

  function parseLm() {
    var r0;


    r0 = state.matchClass(peg$r6);

    return r0;
  }

  function parseLo() {
    var r0;


    r0 = state.matchClass(peg$r7);

    return r0;
  }

  function parseLt() {
    var r0;


    r0 = state.matchClass(peg$r8);

    return r0;
  }

  function parseLu() {
    var r0;


    r0 = state.matchClass(peg$r9);

    return r0;
  }

  function parseMc() {
    var r0;


    r0 = state.matchClass(peg$r10);

    return r0;
  }

  function parseMn() {
    var r0;


    r0 = state.matchClass(peg$r11);

    return r0;
  }

  function parseNd() {
    var r0;


    r0 = state.matchClass(peg$r12);

    return r0;
  }

  function parseNl() {
    var r0;


    r0 = state.matchClass(peg$r13);

    return r0;
  }

  function parsePc() {
    var r0;


    r0 = state.matchClass(peg$r14);

    return r0;
  }

  function parseZs() {
    var r0;


    r0 = state.matchClass(peg$r15);

    return r0;
  }

  function parse__() {
    var r0, r1;


    r0 = [];
    do {
      do {
        r1 = parseWhiteSpace();
        if (r1 !== FAILED) {
          break;
        }
        r1 = parseLineTerminatorSequence();
        if (r1 !== FAILED) {
          break;
        }
        r1 = parseComment();
      } while (false);
      if (r1 === FAILED) {
        break;
      } else {
        r0.push(r1);
      }
    } while (true);

    return r0;
  }

  function parse_() {
    var r0, r1;


    r0 = [];
    do {
      do {
        r1 = parseWhiteSpace();
        if (r1 !== FAILED) {
          break;
        }
        r1 = parseMultiLineCommentNoLineTerminator();
      } while (false);
      if (r1 === FAILED) {
        break;
      } else {
        r0.push(r1);
      }
    } while (true);

    return r0;
  }

  function parseEOS() {
    var r0, r1, r2;
    var p0;

    do {
      p0 = state._offset;
      do {
        r0 = parse__();
        if (silentFails === 0) { state._expect(peg$e31); }
        r1 = state.matchChar(peg$c53, 59);
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1];
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = parse_();
        r1 = parseSingleLineComment();
        if (r1 === FAILED) {
          r1 = null;
        }
        r2 = parseLineTerminatorSequence();
        if (r2 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1, r2];
      } while (false);
      if (r0 !== FAILED) {
        break;
      }
      p0 = state._offset;
      do {
        r0 = parse__();
        r1 = parseEOF();
        if (r1 === FAILED) {
          state._offset = p0;
          r0 = FAILED;
          break;
        }
        r0 = [r0, r1];
      } while (false);
    } while (false);

    return r0;
  }

  function parseEOF() {
    var r0;
    var p0;

    p0 = state._offset;
    state._begin();
    if (silentFails === 0) { state._expect(peg$e16); }
    r0 = state.matchAny();
    state._end(true);
    if (r0 === FAILED) {
      r0 = undefined;
    } else {
      state._offset = p0;
      r0 = FAILED;
    }

    return r0;
  }

  return {
    Grammar: parseGrammar,
  };
}

function peg$parse(input, options) {
  options = options !== undefined ? options : {};

  var state = new peg$ParserState(input, options.source, 0, 1, 1);
  var startRule = "startRule" in options ? options.startRule : "Grammar";
  var startRuleFunctions = peg$define(options, state);

  if (!(startRule in startRuleFunctions)) {
    throw new Error('Can\'t start parsing from rule "' + startRule + '".')
  }

  peg$init(input, options, state);
  return state.parse(startRuleFunctions[startRule]);
}

module.exports = { parse: peg$parse };
