address-rfc2821/grammar.js

RFC-5321 (Envelope) email address parser

// Generated automatically by nearley, version 2.20.1
// http://github.com/Hardmath123/nearley
(function () {
function id(x) { return x[0]; }

// from https://github.com/jonathantneal/array-flat-polyfill
if (!Array.prototype.flat) {
	Object.defineProperty(Array.prototype, 'flat', {
		configurable: true,
		value: function flat () {
			var depth = isNaN(arguments[0]) ? 1 : Number(arguments[0]);

			return depth ? Array.prototype.reduce.call(this, function (acc, cur) {
				if (Array.isArray(cur)) {
					acc.push.apply(acc, flat.call(cur, depth - 1));
				} else {
					acc.push(cur);
				}

				return acc;
			}, []) : Array.prototype.slice.call(this);
		},
		writable: true
	});
}

function flat_string(d) {
  if (d) {
    if (Array.isArray(d))
      return d.flat(Infinity).join("");
    return d;
  }
  return "";
}
var grammar = {
    Lexer: undefined,
    ParserRules: [
    {"name": "main", "symbols": ["Mailbox"]},
    {"name": "main", "symbols": ["Path"]},
    {"name": "Reverse_path", "symbols": ["Path"]},
    {"name": "Reverse_path$string$1", "symbols": [{"literal":"<"}, {"literal":">"}], "postprocess": function joiner(d) {return d.join('');}},
    {"name": "Reverse_path", "symbols": ["Reverse_path$string$1"]},
    {"name": "Forward_path", "symbols": ["Path"]},
    {"name": "Path$ebnf$1$subexpression$1", "symbols": ["A_d_l", {"literal":":"}]},
    {"name": "Path$ebnf$1", "symbols": ["Path$ebnf$1$subexpression$1"], "postprocess": id},
    {"name": "Path$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "Path", "symbols": [{"literal":"<"}, "Path$ebnf$1", "Mailbox", {"literal":">"}], "postprocess": function(d) { return d[2]; }},
    {"name": "A_d_l$ebnf$1", "symbols": []},
    {"name": "A_d_l$ebnf$1$subexpression$1", "symbols": [{"literal":","}, "At_domain"]},
    {"name": "A_d_l$ebnf$1", "symbols": ["A_d_l$ebnf$1", "A_d_l$ebnf$1$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "A_d_l", "symbols": ["At_domain", "A_d_l$ebnf$1"]},
    {"name": "At_domain", "symbols": [{"literal":"@"}, "Domain"]},
    {"name": "Domain$ebnf$1", "symbols": []},
    {"name": "Domain$ebnf$1$subexpression$1", "symbols": [{"literal":"."}, "sub_domain"]},
    {"name": "Domain$ebnf$1", "symbols": ["Domain$ebnf$1", "Domain$ebnf$1$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "Domain", "symbols": ["sub_domain", "Domain$ebnf$1"]},
    {"name": "sub_domain", "symbols": ["U_label"]},
    {"name": "Let_dig", "symbols": ["ALPHA_DIGIT"], "postprocess": id},
    {"name": "Ldh_str$ebnf$1", "symbols": []},
    {"name": "Ldh_str$ebnf$1", "symbols": ["Ldh_str$ebnf$1", "ALPHA_DIG_DASH"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "Ldh_str", "symbols": ["Ldh_str$ebnf$1", "Let_dig"]},
    {"name": "U_Let_dig", "symbols": ["ALPHA_DIGIT_U"], "postprocess": id},
    {"name": "U_Ldh_str$ebnf$1", "symbols": []},
    {"name": "U_Ldh_str$ebnf$1", "symbols": ["U_Ldh_str$ebnf$1", "ALPHA_DIG_DASH_U"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "U_Ldh_str", "symbols": ["U_Ldh_str$ebnf$1", "U_Let_dig"]},
    {"name": "U_label$ebnf$1$subexpression$1", "symbols": ["U_Ldh_str"]},
    {"name": "U_label$ebnf$1", "symbols": ["U_label$ebnf$1$subexpression$1"], "postprocess": id},
    {"name": "U_label$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "U_label", "symbols": ["U_Let_dig", "U_label$ebnf$1"]},
    {"name": "address_literal$subexpression$1", "symbols": ["IPv4_address_literal"]},
    {"name": "address_literal$subexpression$1", "symbols": ["IPv6_address_literal"]},
    {"name": "address_literal$subexpression$1", "symbols": ["General_address_literal"]},
    {"name": "address_literal", "symbols": [{"literal":"["}, "address_literal$subexpression$1", {"literal":"]"}]},
    {"name": "non_local_part", "symbols": ["Domain"]},
    {"name": "non_local_part", "symbols": ["address_literal"]},
    {"name": "Mailbox", "symbols": ["Local_part", {"literal":"@"}, "non_local_part"], "postprocess": 
        function(d) {
          return { local_part: flat_string(d[0]), domain: flat_string(d[2]), };
        }
                          },
    {"name": "Local_part", "symbols": ["Dot_string"]},
    {"name": "Local_part", "symbols": ["Quoted_string"]},
    {"name": "Dot_string$ebnf$1", "symbols": []},
    {"name": "Dot_string$ebnf$1$subexpression$1", "symbols": [{"literal":"."}, "Atom"]},
    {"name": "Dot_string$ebnf$1", "symbols": ["Dot_string$ebnf$1", "Dot_string$ebnf$1$subexpression$1"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "Dot_string", "symbols": ["Atom", "Dot_string$ebnf$1"]},
    {"name": "Atom$ebnf$1", "symbols": [/[0-9A-Za-z!#$%&'*+\-/=?^_`{|}~\u0080-\uFFFF/]/]},
    {"name": "Atom$ebnf$1", "symbols": ["Atom$ebnf$1", /[0-9A-Za-z!#$%&'*+\-/=?^_`{|}~\u0080-\uFFFF/]/], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "Atom", "symbols": ["Atom$ebnf$1"]},
    {"name": "Quoted_string$ebnf$1", "symbols": []},
    {"name": "Quoted_string$ebnf$1", "symbols": ["Quoted_string$ebnf$1", "QcontentSMTP"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "Quoted_string", "symbols": ["DQUOTE", "Quoted_string$ebnf$1", "DQUOTE"]},
    {"name": "QcontentSMTP", "symbols": ["qtextSMTP"]},
    {"name": "QcontentSMTP", "symbols": ["quoted_pairSMTP"]},
    {"name": "quoted_pairSMTP", "symbols": [{"literal":"\\"}, /[\x20-\x7e]/]},
    {"name": "qtextSMTP", "symbols": [/[\x20-\x21\x23-\x5b\x5d-\x7e\u0080-\uFFFF]/], "postprocess": id},
    {"name": "IPv4_address_literal$macrocall$2", "symbols": [{"literal":"."}, "Snum"]},
    {"name": "IPv4_address_literal$macrocall$1", "symbols": ["IPv4_address_literal$macrocall$2", "IPv4_address_literal$macrocall$2", "IPv4_address_literal$macrocall$2"]},
    {"name": "IPv4_address_literal", "symbols": ["Snum", "IPv4_address_literal$macrocall$1"]},
    {"name": "IPv6_address_literal$subexpression$1", "symbols": [/[iI]/, /[pP]/, /[vV]/, {"literal":"6"}, {"literal":":"}], "postprocess": function(d) {return d.join(""); }},
    {"name": "IPv6_address_literal", "symbols": ["IPv6_address_literal$subexpression$1", "IPv6_addr"]},
    {"name": "General_address_literal$ebnf$1", "symbols": ["dcontent"]},
    {"name": "General_address_literal$ebnf$1", "symbols": ["General_address_literal$ebnf$1", "dcontent"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
    {"name": "General_address_literal", "symbols": ["Standardized_tag", {"literal":":"}, "General_address_literal$ebnf$1"]},
    {"name": "Standardized_tag", "symbols": ["Ldh_str"]},
    {"name": "dcontent", "symbols": [/[\x21-\x5a\x5e-\x7e]/], "postprocess": id},
    {"name": "Snum", "symbols": ["DIGIT"]},
    {"name": "Snum$subexpression$1", "symbols": [/[1-9]/, "DIGIT"]},
    {"name": "Snum", "symbols": ["Snum$subexpression$1"]},
    {"name": "Snum$subexpression$2", "symbols": [{"literal":"1"}, "DIGIT", "DIGIT"]},
    {"name": "Snum", "symbols": ["Snum$subexpression$2"]},
    {"name": "Snum$subexpression$3", "symbols": [{"literal":"2"}, /[0-4]/, "DIGIT"]},
    {"name": "Snum", "symbols": ["Snum$subexpression$3"]},
    {"name": "Snum$subexpression$4", "symbols": [{"literal":"2"}, {"literal":"5"}, /[0-5]/]},
    {"name": "Snum", "symbols": ["Snum$subexpression$4"]},
    {"name": "IPv6_addr", "symbols": ["IPv6_full"]},
    {"name": "IPv6_addr", "symbols": ["IPv6_comp"]},
    {"name": "IPv6_addr", "symbols": ["IPv6v4_full"]},
    {"name": "IPv6_addr", "symbols": ["IPv6v4_comp"]},
    {"name": "IPv6_hex", "symbols": ["HEXDIG"]},
    {"name": "IPv6_hex$subexpression$1", "symbols": ["HEXDIG", "HEXDIG"]},
    {"name": "IPv6_hex", "symbols": ["IPv6_hex$subexpression$1"]},
    {"name": "IPv6_hex$subexpression$2", "symbols": ["HEXDIG", "HEXDIG", "HEXDIG"]},
    {"name": "IPv6_hex", "symbols": ["IPv6_hex$subexpression$2"]},
    {"name": "IPv6_hex$subexpression$3", "symbols": ["HEXDIG", "HEXDIG", "HEXDIG", "HEXDIG"]},
    {"name": "IPv6_hex", "symbols": ["IPv6_hex$subexpression$3"]},
    {"name": "IPv6_full$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6_full$macrocall$1", "symbols": ["IPv6_full$macrocall$2", "IPv6_full$macrocall$2", "IPv6_full$macrocall$2", "IPv6_full$macrocall$2", "IPv6_full$macrocall$2", "IPv6_full$macrocall$2", "IPv6_full$macrocall$2"]},
    {"name": "IPv6_full", "symbols": ["IPv6_hex", "IPv6_full$macrocall$1"]},
    {"name": "IPv6_comp$ebnf$1$subexpression$1$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6_comp$ebnf$1$subexpression$1$macrocall$1", "symbols": ["IPv6_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6_comp$ebnf$1$subexpression$1$macrocall$2"]},
    {"name": "IPv6_comp$ebnf$1$subexpression$1", "symbols": ["IPv6_hex", "IPv6_comp$ebnf$1$subexpression$1$macrocall$1"]},
    {"name": "IPv6_comp$ebnf$1", "symbols": ["IPv6_comp$ebnf$1$subexpression$1"], "postprocess": id},
    {"name": "IPv6_comp$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "IPv6_comp$string$1", "symbols": [{"literal":":"}, {"literal":":"}], "postprocess": function joiner(d) {return d.join('');}},
    {"name": "IPv6_comp$ebnf$2$subexpression$1$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6_comp$ebnf$2$subexpression$1$macrocall$1", "symbols": ["IPv6_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6_comp$ebnf$2$subexpression$1$macrocall$2"]},
    {"name": "IPv6_comp$ebnf$2$subexpression$1", "symbols": ["IPv6_hex", "IPv6_comp$ebnf$2$subexpression$1$macrocall$1"]},
    {"name": "IPv6_comp$ebnf$2", "symbols": ["IPv6_comp$ebnf$2$subexpression$1"], "postprocess": id},
    {"name": "IPv6_comp$ebnf$2", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "IPv6_comp", "symbols": ["IPv6_comp$ebnf$1", "IPv6_comp$string$1", "IPv6_comp$ebnf$2"]},
    {"name": "IPv6v4_full$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6v4_full$macrocall$1", "symbols": ["IPv6v4_full$macrocall$2", "IPv6v4_full$macrocall$2", "IPv6v4_full$macrocall$2", "IPv6v4_full$macrocall$2", "IPv6v4_full$macrocall$2"]},
    {"name": "IPv6v4_full", "symbols": ["IPv6_hex", "IPv6v4_full$macrocall$1", {"literal":":"}, "IPv4_address_literal"]},
    {"name": "IPv6v4_comp$ebnf$1$subexpression$1$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6v4_comp$ebnf$1$subexpression$1$macrocall$1", "symbols": ["IPv6v4_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6v4_comp$ebnf$1$subexpression$1$macrocall$2", "IPv6v4_comp$ebnf$1$subexpression$1$macrocall$2"]},
    {"name": "IPv6v4_comp$ebnf$1$subexpression$1", "symbols": ["IPv6_hex", "IPv6v4_comp$ebnf$1$subexpression$1$macrocall$1"]},
    {"name": "IPv6v4_comp$ebnf$1", "symbols": ["IPv6v4_comp$ebnf$1$subexpression$1"], "postprocess": id},
    {"name": "IPv6v4_comp$ebnf$1", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "IPv6v4_comp$string$1", "symbols": [{"literal":":"}, {"literal":":"}], "postprocess": function joiner(d) {return d.join('');}},
    {"name": "IPv6v4_comp$ebnf$2$subexpression$1$macrocall$2", "symbols": [{"literal":":"}, "IPv6_hex"]},
    {"name": "IPv6v4_comp$ebnf$2$subexpression$1$macrocall$1", "symbols": ["IPv6v4_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6v4_comp$ebnf$2$subexpression$1$macrocall$2", "IPv6v4_comp$ebnf$2$subexpression$1$macrocall$2"]},
    {"name": "IPv6v4_comp$ebnf$2$subexpression$1", "symbols": ["IPv6_hex", "IPv6v4_comp$ebnf$2$subexpression$1$macrocall$1", {"literal":":"}]},
    {"name": "IPv6v4_comp$ebnf$2", "symbols": ["IPv6v4_comp$ebnf$2$subexpression$1"], "postprocess": id},
    {"name": "IPv6v4_comp$ebnf$2", "symbols": [], "postprocess": function(d) {return null;}},
    {"name": "IPv6v4_comp", "symbols": ["IPv6v4_comp$ebnf$1", "IPv6v4_comp$string$1", "IPv6v4_comp$ebnf$2", "IPv4_address_literal"]},
    {"name": "DIGIT", "symbols": [/[0-9]/], "postprocess": id},
    {"name": "ALPHA_DIGIT_U", "symbols": [/[0-9A-Za-z\u0080-\uFFFF]/], "postprocess": id},
    {"name": "ALPHA_DIGIT", "symbols": [/[0-9A-Za-z]/], "postprocess": id},
    {"name": "ALPHA_DIG_DASH", "symbols": [/[-0-9A-Za-z]/], "postprocess": id},
    {"name": "ALPHA_DIG_DASH_U", "symbols": [/[-0-9A-Za-z\u0080-\uFFFF]/], "postprocess": id},
    {"name": "HEXDIG", "symbols": [/[0-9A-Fa-f]/], "postprocess": id},
    {"name": "DQUOTE", "symbols": [{"literal":"\""}], "postprocess": id}
]
  , ParserStart: "main"
}
if (typeof module !== 'undefined'&& typeof module.exports !== 'undefined') {
   module.exports = grammar;
} else {
   window.grammar = grammar;
}
})();