module.exports = (function() {

/*
 * Generated by PEG.js 0.8.0.
 *
 * http://pegjs.majda.cz/
 */

function peg$subclass(child, parent) {
  function ctor() { this.constructor = child; }
  ctor.prototype = parent.prototype;
  child.prototype = new ctor();
}

function SyntaxError(message, expected, found, offset, line, column) {
  this.message  = message;
  this.expected = expected;
  this.found    = found;
  this.offset   = offset;
  this.line     = line;
  this.column   = column;

  this.name     = "SyntaxError";
}

peg$subclass(SyntaxError, Error);

function parse(input) {
  var options = arguments.length > 1 ? arguments[1] : {},

      peg$FAILED = {},

      peg$startRuleFunctions = { grammar: peg$parsegrammar },
      peg$startRuleFunction  = peg$parsegrammar,

      peg$c0 = peg$FAILED,
      peg$c1 = null,
      peg$c2 = [],
      peg$c3 = function(initializer, rules) {
            return {
              type:        "grammar",
              initializer: initializer,
              rules:       rules
            };
          },
      peg$c4 = function(code) {
            return {
              type: "initializer",
              code: code
            };
          },
      peg$c5 = function(name, displayName, expression) {
            return {
              type:        "rule",
              name:        name,
              expression:  displayName !== null
                ? {
                    type:       "named",
                    name:       displayName,
                    expression: expression
                  }
                : expression
            };
          },
      peg$c6 = function(head, tail) {
            if (tail.length > 0) {
              var alternatives = [head].concat(utils.map(
                  tail,
                  function(element) { return element[1]; }
              ));
              return {
                type:         "choice",
                alternatives: alternatives
              };
            } else {
              return head;
            }
          },
      peg$c7 = function(elements, code) {
            var expression = elements.length !== 1
              ? {
                  type:     "sequence",
                  elements: elements
                }
              : elements[0];
            return {
              type:       "action",
              expression: expression,
              code:       code
            };
          },
      peg$c8 = function(elements) {
            return elements.length !== 1
              ? {
                  type:     "sequence",
                  elements: elements
                }
              : elements[0];
          },
      peg$c9 = function(label, expression) {
            return {
              type:       "labeled",
              label:      label,
              expression: expression
            };
          },
      peg$c10 = function(expression) {
            return {
              type:       "text",
              expression: expression
            };
          },
      peg$c11 = function(code) {
            return {
              type: "semantic_and",
              code: code
            };
          },
      peg$c12 = function(expression) {
            return {
              type:       "simple_and",
              expression: expression
            };
          },
      peg$c13 = function(code) {
            return {
              type: "semantic_not",
              code: code
            };
          },
      peg$c14 = function(expression) {
            return {
              type:       "simple_not",
              expression: expression
            };
          },
      peg$c15 = function(expression) {
            return {
              type:       "optional",
              expression: expression
            };
          },
      peg$c16 = function(expression) {
            return {
              type:       "zero_or_more",
              expression: expression
            };
          },
      peg$c17 = function(expression) {
            return {
              type:       "one_or_more",
              expression: expression
            };
          },
      peg$c18 = void 0,
      peg$c19 = function(name) {
            return {
              type: "rule_ref",
              name: name
            };
          },
      peg$c20 = function() { return { type: "any" }; },
      peg$c21 = function(expression) { return expression; },
      peg$c22 = { type: "other", description: "action" },
      peg$c23 = function(braced) { return braced.substr(1, braced.length - 2); },
      peg$c24 = "{",
      peg$c25 = { type: "literal", value: "{", description: "\"{\"" },
      peg$c26 = "}",
      peg$c27 = { type: "literal", value: "}", description: "\"}\"" },
      peg$c28 = /^[^{}]/,
      peg$c29 = { type: "class", value: "[^{}]", description: "[^{}]" },
      peg$c30 = "=",
      peg$c31 = { type: "literal", value: "=", description: "\"=\"" },
      peg$c32 = function() { return "="; },
      peg$c33 = ":",
      peg$c34 = { type: "literal", value: ":", description: "\":\"" },
      peg$c35 = function() { return ":"; },
      peg$c36 = ";",
      peg$c37 = { type: "literal", value: ";", description: "\";\"" },
      peg$c38 = function() { return ";"; },
      peg$c39 = "/",
      peg$c40 = { type: "literal", value: "/", description: "\"/\"" },
      peg$c41 = function() { return "/"; },
      peg$c42 = "&",
      peg$c43 = { type: "literal", value: "&", description: "\"&\"" },
      peg$c44 = function() { return "&"; },
      peg$c45 = "!",
      peg$c46 = { type: "literal", value: "!", description: "\"!\"" },
      peg$c47 = function() { return "!"; },
      peg$c48 = "$",
      peg$c49 = { type: "literal", value: "$", description: "\"$\"" },
      peg$c50 = function() { return "$"; },
      peg$c51 = "?",
      peg$c52 = { type: "literal", value: "?", description: "\"?\"" },
      peg$c53 = function() { return "?"; },
      peg$c54 = "*",
      peg$c55 = { type: "literal", value: "*", description: "\"*\"" },
      peg$c56 = function() { return "*"; },
      peg$c57 = "+",
      peg$c58 = { type: "literal", value: "+", description: "\"+\"" },
      peg$c59 = function() { return "+"; },
      peg$c60 = "(",
      peg$c61 = { type: "literal", value: "(", description: "\"(\"" },
      peg$c62 = function() { return "("; },
      peg$c63 = ")",
      peg$c64 = { type: "literal", value: ")", description: "\")\"" },
      peg$c65 = function() { return ")"; },
      peg$c66 = ".",
      peg$c67 = { type: "literal", value: ".", description: "\".\"" },
      peg$c68 = function() { return "."; },
      peg$c69 = { type: "other", description: "identifier" },
      peg$c70 = "_",
      peg$c71 = { type: "literal", value: "_", description: "\"_\"" },
      peg$c72 = function(chars) { return chars; },
      peg$c73 = { type: "other", description: "literal" },
      peg$c74 = "i",
      peg$c75 = { type: "literal", value: "i", description: "\"i\"" },
      peg$c76 = function(value, flags) {
            return {
              type:       "literal",
              value:      value,
              ignoreCase: flags === "i"
            };
          },
      peg$c77 = { type: "other", description: "string" },
      peg$c78 = function(string) { return string; },
      peg$c79 = "\"",
      peg$c80 = { type: "literal", value: "\"", description: "\"\\\"\"" },
      peg$c81 = function(chars) { return chars.join(""); },
      peg$c82 = "\\",
      peg$c83 = { type: "literal", value: "\\", description: "\"\\\\\"" },
      peg$c84 = { type: "any", description: "any character" },
      peg$c85 = function(char_) { return char_; },
      peg$c86 = "'",
      peg$c87 = { type: "literal", value: "'", description: "\"'\"" },
      peg$c88 = { type: "other", description: "character class" },
      peg$c89 = "[",
      peg$c90 = { type: "literal", value: "[", description: "\"[\"" },
      peg$c91 = "^",
      peg$c92 = { type: "literal", value: "^", description: "\"^\"" },
      peg$c93 = "]",
      peg$c94 = { type: "literal", value: "]", description: "\"]\"" },
      peg$c95 = function(inverted, parts, flags) {
            var partsConverted = utils.map(parts, function(part) { return part.data; });
            var rawText = "["
              + (inverted !== null ? inverted : "")
              + utils.map(parts, function(part) { return part.rawText; }).join("")
              + "]"
              + (flags !== null ? flags : "");

            return {
              type:       "class",
              parts:      partsConverted,
              // FIXME: Get the raw text from the input directly.
              rawText:    rawText,
              inverted:   inverted === "^",
              ignoreCase: flags === "i"
            };
          },
      peg$c96 = "-",
      peg$c97 = { type: "literal", value: "-", description: "\"-\"" },
      peg$c98 = function(begin, end) {
            if (begin.data.charCodeAt(0) > end.data.charCodeAt(0)) {
              error(
                "Invalid character range: " + begin.rawText + "-" + end.rawText + "."
              );
            }

            return {
              data:    [begin.data, end.data],
              // FIXME: Get the raw text from the input directly.
              rawText: begin.rawText + "-" + end.rawText
            };
          },
      peg$c99 = function(char_) {
            return {
              data:    char_,
              // FIXME: Get the raw text from the input directly.
              rawText: utils.quoteForRegexpClass(char_)
            };
          },
      peg$c100 = "x",
      peg$c101 = { type: "literal", value: "x", description: "\"x\"" },
      peg$c102 = "u",
      peg$c103 = { type: "literal", value: "u", description: "\"u\"" },
      peg$c104 = function(char_) {
            return char_
              .replace("b", "\b")
              .replace("f", "\f")
              .replace("n", "\n")
              .replace("r", "\r")
              .replace("t", "\t")
              .replace("v", "\x0B"); // IE does not recognize "\v".
          },
      peg$c105 = "\\0",
      peg$c106 = { type: "literal", value: "\\0", description: "\"\\\\0\"" },
      peg$c107 = function() { return "\x00"; },
      peg$c108 = "\\x",
      peg$c109 = { type: "literal", value: "\\x", description: "\"\\\\x\"" },
      peg$c110 = function(digits) {
            return String.fromCharCode(parseInt(digits, 16));
          },
      peg$c111 = "\\u",
      peg$c112 = { type: "literal", value: "\\u", description: "\"\\\\u\"" },
      peg$c113 = function(eol) { return eol; },
      peg$c114 = /^[0-9]/,
      peg$c115 = { type: "class", value: "[0-9]", description: "[0-9]" },
      peg$c116 = /^[0-9a-fA-F]/,
      peg$c117 = { type: "class", value: "[0-9a-fA-F]", description: "[0-9a-fA-F]" },
      peg$c118 = /^[a-z]/,
      peg$c119 = { type: "class", value: "[a-z]", description: "[a-z]" },
      peg$c120 = /^[A-Z]/,
      peg$c121 = { type: "class", value: "[A-Z]", description: "[A-Z]" },
      peg$c122 = { type: "other", description: "comment" },
      peg$c123 = "//",
      peg$c124 = { type: "literal", value: "//", description: "\"//\"" },
      peg$c125 = "/*",
      peg$c126 = { type: "literal", value: "/*", description: "\"/*\"" },
      peg$c127 = "*/",
      peg$c128 = { type: "literal", value: "*/", description: "\"*/\"" },
      peg$c129 = { type: "other", description: "end of line" },
      peg$c130 = "\n",
      peg$c131 = { type: "literal", value: "\n", description: "\"\\n\"" },
      peg$c132 = "\r\n",
      peg$c133 = { type: "literal", value: "\r\n", description: "\"\\r\\n\"" },
      peg$c134 = "\r",
      peg$c135 = { type: "literal", value: "\r", description: "\"\\r\"" },
      peg$c136 = "\u2028",
      peg$c137 = { type: "literal", value: "\u2028", description: "\"\\u2028\"" },
      peg$c138 = "\u2029",
      peg$c139 = { type: "literal", value: "\u2029", description: "\"\\u2029\"" },
      peg$c140 = /^[\n\r\u2028\u2029]/,
      peg$c141 = { type: "class", value: "[\\n\\r\\u2028\\u2029]", description: "[\\n\\r\\u2028\\u2029]" },
      peg$c142 = { type: "other", description: "whitespace" },
      peg$c143 = /^[ \t\x0B\f\xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]/,
      peg$c144 = { type: "class", value: "[ \\t\\x0B\\f\\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]", description: "[ \\t\\x0B\\f\\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]" },

      peg$currPos          = 0,
      peg$reportedPos      = 0,
      peg$cachedPos        = 0,
      peg$cachedPosDetails = { line: 1, column: 1, seenCR: false },
      peg$maxFailPos       = 0,
      peg$maxFailExpected  = [],
      peg$silentFails      = 0,

      peg$result;

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

    peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
  }

  function text() {
    return input.substring(peg$reportedPos, peg$currPos);
  }

  function offset() {
    return peg$reportedPos;
  }

  function line() {
    return peg$computePosDetails(peg$reportedPos).line;
  }

  function column() {
    return peg$computePosDetails(peg$reportedPos).column;
  }

  function expected(description) {
    throw peg$buildException(
      null,
      [{ type: "other", description: description }],
      peg$reportedPos
    );
  }

  function error(message) {
    throw peg$buildException(message, null, peg$reportedPos);
  }

  function peg$computePosDetails(pos) {
    function advance(details, startPos, endPos) {
      var p, ch;

      for (p = startPos; p < endPos; p++) {
        ch = input.charAt(p);
        if (ch === "\n") {
          if (!details.seenCR) { details.line++; }
          details.column = 1;
          details.seenCR = false;
        } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
          details.line++;
          details.column = 1;
          details.seenCR = true;
        } else {
          details.column++;
          details.seenCR = false;
        }
      }
    }

    if (peg$cachedPos !== pos) {
      if (peg$cachedPos > pos) {
        peg$cachedPos = 0;
        peg$cachedPosDetails = { line: 1, column: 1, seenCR: false };
      }
      advance(peg$cachedPosDetails, peg$cachedPos, pos);
      peg$cachedPos = pos;
    }

    return peg$cachedPosDetails;
  }

  function peg$fail(expected) {
    if (peg$currPos < peg$maxFailPos) { return; }

    if (peg$currPos > peg$maxFailPos) {
      peg$maxFailPos = peg$currPos;
      peg$maxFailExpected = [];
    }

    peg$maxFailExpected.push(expected);
  }

  function peg$buildException(message, expected, pos) {
    function cleanupExpected(expected) {
      var i = 1;

      expected.sort(function(a, b) {
        if (a.description < b.description) {
          return -1;
        } else if (a.description > b.description) {
          return 1;
        } else {
          return 0;
        }
      });

      while (i < expected.length) {
        if (expected[i - 1] === expected[i]) {
          expected.splice(i, 1);
        } else {
          i++;
        }
      }
    }

    function buildMessage(expected, found) {
      function stringEscape(s) {
        function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }

        return s
          .replace(/\\/g,   '\\\\')
          .replace(/"/g,    '\\"')
          .replace(/\x08/g, '\\b')
          .replace(/\t/g,   '\\t')
          .replace(/\n/g,   '\\n')
          .replace(/\f/g,   '\\f')
          .replace(/\r/g,   '\\r')
          .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
          .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
          .replace(/[\u0180-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
          .replace(/[\u1080-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
      }

      var expectedDescs = new Array(expected.length),
          expectedDesc, foundDesc, i;

      for (i = 0; i < expected.length; i++) {
        expectedDescs[i] = expected[i].description;
      }

      expectedDesc = expected.length > 1
        ? expectedDescs.slice(0, -1).join(", ")
            + " or "
            + expectedDescs[expected.length - 1]
        : expectedDescs[0];

      foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";

      return "Expected " + expectedDesc + " but " + foundDesc + " found.";
    }

    var posDetails = peg$computePosDetails(pos),
        found      = pos < input.length ? input.charAt(pos) : null;

    if (expected !== null) {
      cleanupExpected(expected);
    }

    return new SyntaxError(
      message !== null ? message : buildMessage(expected, found),
      expected,
      found,
      pos,
      posDetails.line,
      posDetails.column
    );
  }

  function peg$parsegrammar() {
    var s0, s1, s2, s3, s4;

    s0 = peg$currPos;
    s1 = peg$parse__();
    if (s1 !== peg$FAILED) {
      s2 = peg$parseinitializer();
      if (s2 === peg$FAILED) {
        s2 = peg$c1;
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parserule();
        if (s4 !== peg$FAILED) {
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parserule();
          }
        } else {
          s3 = peg$c0;
        }
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c3(s2, s3);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseinitializer() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$parseaction();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsesemicolon();
      if (s2 === peg$FAILED) {
        s2 = peg$c1;
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c4(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parserule() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    s1 = peg$parseidentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsestring();
      if (s2 === peg$FAILED) {
        s2 = peg$c1;
      }
      if (s2 !== peg$FAILED) {
        s3 = peg$parseequals();
        if (s3 !== peg$FAILED) {
          s4 = peg$parsechoice();
          if (s4 !== peg$FAILED) {
            s5 = peg$parsesemicolon();
            if (s5 === peg$FAILED) {
              s5 = peg$c1;
            }
            if (s5 !== peg$FAILED) {
              peg$reportedPos = s0;
              s1 = peg$c5(s1, s2, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsechoice() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    s1 = peg$parsesequence();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$parseslash();
      if (s4 !== peg$FAILED) {
        s5 = peg$parsesequence();
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$parseslash();
        if (s4 !== peg$FAILED) {
          s5 = peg$parsesequence();
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$c0;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c6(s1, s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsesequence() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parselabeled();
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$parselabeled();
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseaction();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c7(s1, s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parselabeled();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parselabeled();
      }
      if (s1 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c8(s1);
      }
      s0 = s1;
    }

    return s0;
  }

  function peg$parselabeled() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    s1 = peg$parseidentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsecolon();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseprefixed();
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c9(s1, s3);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parseprefixed();
    }

    return s0;
  }

  function peg$parseprefixed() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$parsedollar();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsesuffixed();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c10(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseand();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseaction();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c11(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseand();
        if (s1 !== peg$FAILED) {
          s2 = peg$parsesuffixed();
          if (s2 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c12(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsenot();
          if (s1 !== peg$FAILED) {
            s2 = peg$parseaction();
            if (s2 !== peg$FAILED) {
              peg$reportedPos = s0;
              s1 = peg$c13(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parsenot();
            if (s1 !== peg$FAILED) {
              s2 = peg$parsesuffixed();
              if (s2 !== peg$FAILED) {
                peg$reportedPos = s0;
                s1 = peg$c14(s2);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
            if (s0 === peg$FAILED) {
              s0 = peg$parsesuffixed();
            }
          }
        }
      }
    }

    return s0;
  }

  function peg$parsesuffixed() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$parseprimary();
    if (s1 !== peg$FAILED) {
      s2 = peg$parsequestion();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c15(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseprimary();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsestar();
        if (s2 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c16(s1);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseprimary();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseplus();
          if (s2 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c17(s1);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parseprimary();
        }
      }
    }

    return s0;
  }

  function peg$parseprimary() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    s1 = peg$parseidentifier();
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      peg$silentFails++;
      s3 = peg$currPos;
      s4 = peg$parsestring();
      if (s4 === peg$FAILED) {
        s4 = peg$c1;
      }
      if (s4 !== peg$FAILED) {
        s5 = peg$parseequals();
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      peg$silentFails--;
      if (s3 === peg$FAILED) {
        s2 = peg$c18;
      } else {
        peg$currPos = s2;
        s2 = peg$c0;
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c19(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parseliteral();
      if (s0 === peg$FAILED) {
        s0 = peg$parseclass();
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsedot();
          if (s1 !== peg$FAILED) {
            peg$reportedPos = s0;
            s1 = peg$c20();
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = peg$parselparen();
            if (s1 !== peg$FAILED) {
              s2 = peg$parsechoice();
              if (s2 !== peg$FAILED) {
                s3 = peg$parserparen();
                if (s3 !== peg$FAILED) {
                  peg$reportedPos = s0;
                  s1 = peg$c21(s2);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$c0;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          }
        }
      }
    }

    return s0;
  }

  function peg$parseaction() {
    var s0, s1, s2;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$parsebraced();
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c23(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c22); }
    }

    return s0;
  }

  function peg$parsebraced() {
    var s0, s1, s2, s3, s4;

    s0 = peg$currPos;
    s1 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 123) {
      s2 = peg$c24;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c25); }
    }
    if (s2 !== peg$FAILED) {
      s3 = [];
      s4 = peg$parsebraced();
      if (s4 === peg$FAILED) {
        s4 = peg$parsenonBraceCharacters();
      }
      while (s4 !== peg$FAILED) {
        s3.push(s4);
        s4 = peg$parsebraced();
        if (s4 === peg$FAILED) {
          s4 = peg$parsenonBraceCharacters();
        }
      }
      if (s3 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 125) {
          s4 = peg$c26;
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c27); }
        }
        if (s4 !== peg$FAILED) {
          s2 = [s2, s3, s4];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$c0;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$c0;
      }
    } else {
      peg$currPos = s1;
      s1 = peg$c0;
    }
    if (s1 !== peg$FAILED) {
      s1 = input.substring(s0, peg$currPos);
    }
    s0 = s1;

    return s0;
  }

  function peg$parsenonBraceCharacters() {
    var s0, s1;

    s0 = [];
    s1 = peg$parsenonBraceCharacter();
    if (s1 !== peg$FAILED) {
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        s1 = peg$parsenonBraceCharacter();
      }
    } else {
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsenonBraceCharacter() {
    var s0;

    if (peg$c28.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c29); }
    }

    return s0;
  }

  function peg$parseequals() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 61) {
      s1 = peg$c30;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c31); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c32();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsecolon() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 58) {
      s1 = peg$c33;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c34); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c35();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsesemicolon() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 59) {
      s1 = peg$c36;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c37); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c38();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseslash() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 47) {
      s1 = peg$c39;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c40); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c41();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseand() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 38) {
      s1 = peg$c42;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c43); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c44();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsenot() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 33) {
      s1 = peg$c45;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c46); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c47();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsedollar() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 36) {
      s1 = peg$c48;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c49); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c50();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsequestion() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 63) {
      s1 = peg$c51;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c52); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c53();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsestar() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 42) {
      s1 = peg$c54;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c55); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c56();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseplus() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 43) {
      s1 = peg$c57;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c58); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c59();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parselparen() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 40) {
      s1 = peg$c60;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c61); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c62();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parserparen() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 41) {
      s1 = peg$c63;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c64); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c65();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsedot() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 46) {
      s1 = peg$c66;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c67); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c68();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseidentifier() {
    var s0, s1, s2, s3, s4, s5;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$currPos;
    s2 = peg$currPos;
    s3 = peg$parseletter();
    if (s3 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 95) {
        s3 = peg$c70;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c71); }
      }
    }
    if (s3 !== peg$FAILED) {
      s4 = [];
      s5 = peg$parseletter();
      if (s5 === peg$FAILED) {
        s5 = peg$parsedigit();
        if (s5 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 95) {
            s5 = peg$c70;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c71); }
          }
        }
      }
      while (s5 !== peg$FAILED) {
        s4.push(s5);
        s5 = peg$parseletter();
        if (s5 === peg$FAILED) {
          s5 = peg$parsedigit();
          if (s5 === peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 95) {
              s5 = peg$c70;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c71); }
            }
          }
        }
      }
      if (s4 !== peg$FAILED) {
        s3 = [s3, s4];
        s2 = s3;
      } else {
        peg$currPos = s2;
        s2 = peg$c0;
      }
    } else {
      peg$currPos = s2;
      s2 = peg$c0;
    }
    if (s2 !== peg$FAILED) {
      s2 = input.substring(s1, peg$currPos);
    }
    s1 = s2;
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c72(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c69); }
    }

    return s0;
  }

  function peg$parseliteral() {
    var s0, s1, s2, s3;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$parsedoubleQuotedString();
    if (s1 === peg$FAILED) {
      s1 = peg$parsesingleQuotedString();
    }
    if (s1 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 105) {
        s2 = peg$c74;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c75); }
      }
      if (s2 === peg$FAILED) {
        s2 = peg$c1;
      }
      if (s2 !== peg$FAILED) {
        s3 = peg$parse__();
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c76(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c73); }
    }

    return s0;
  }

  function peg$parsestring() {
    var s0, s1, s2;

    peg$silentFails++;
    s0 = peg$currPos;
    s1 = peg$parsedoubleQuotedString();
    if (s1 === peg$FAILED) {
      s1 = peg$parsesingleQuotedString();
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parse__();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c78(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c77); }
    }

    return s0;
  }

  function peg$parsedoubleQuotedString() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 34) {
      s1 = peg$c79;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c80); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parsedoubleQuotedCharacter();
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$parsedoubleQuotedCharacter();
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 34) {
          s3 = peg$c79;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c80); }
        }
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c81(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsedoubleQuotedCharacter() {
    var s0;

    s0 = peg$parsesimpleDoubleQuotedCharacter();
    if (s0 === peg$FAILED) {
      s0 = peg$parsesimpleEscapeSequence();
      if (s0 === peg$FAILED) {
        s0 = peg$parsezeroEscapeSequence();
        if (s0 === peg$FAILED) {
          s0 = peg$parsehexEscapeSequence();
          if (s0 === peg$FAILED) {
            s0 = peg$parseunicodeEscapeSequence();
            if (s0 === peg$FAILED) {
              s0 = peg$parseeolEscapeSequence();
            }
          }
        }
      }
    }

    return s0;
  }

  function peg$parsesimpleDoubleQuotedCharacter() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 34) {
      s2 = peg$c79;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c80); }
    }
    if (s2 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 92) {
        s2 = peg$c82;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c83); }
      }
      if (s2 === peg$FAILED) {
        s2 = peg$parseeolChar();
      }
    }
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = peg$c18;
    } else {
      peg$currPos = s1;
      s1 = peg$c0;
    }
    if (s1 !== peg$FAILED) {
      if (input.length > peg$currPos) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c84); }
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c85(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsesingleQuotedString() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 39) {
      s1 = peg$c86;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c87); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parsesingleQuotedCharacter();
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$parsesingleQuotedCharacter();
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 39) {
          s3 = peg$c86;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c87); }
        }
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c81(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsesingleQuotedCharacter() {
    var s0;

    s0 = peg$parsesimpleSingleQuotedCharacter();
    if (s0 === peg$FAILED) {
      s0 = peg$parsesimpleEscapeSequence();
      if (s0 === peg$FAILED) {
        s0 = peg$parsezeroEscapeSequence();
        if (s0 === peg$FAILED) {
          s0 = peg$parsehexEscapeSequence();
          if (s0 === peg$FAILED) {
            s0 = peg$parseunicodeEscapeSequence();
            if (s0 === peg$FAILED) {
              s0 = peg$parseeolEscapeSequence();
            }
          }
        }
      }
    }

    return s0;
  }

  function peg$parsesimpleSingleQuotedCharacter() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 39) {
      s2 = peg$c86;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c87); }
    }
    if (s2 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 92) {
        s2 = peg$c82;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c83); }
      }
      if (s2 === peg$FAILED) {
        s2 = peg$parseeolChar();
      }
    }
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = peg$c18;
    } else {
      peg$currPos = s1;
      s1 = peg$c0;
    }
    if (s1 !== peg$FAILED) {
      if (input.length > peg$currPos) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c84); }
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c85(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseclass() {
    var s0, s1, s2, s3, s4, s5, s6;

    peg$silentFails++;
    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c89;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c90); }
    }
    if (s1 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 94) {
        s2 = peg$c91;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c92); }
      }
      if (s2 === peg$FAILED) {
        s2 = peg$c1;
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parseclassCharacterRange();
        if (s4 === peg$FAILED) {
          s4 = peg$parseclassCharacter();
        }
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parseclassCharacterRange();
          if (s4 === peg$FAILED) {
            s4 = peg$parseclassCharacter();
          }
        }
        if (s3 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 93) {
            s4 = peg$c93;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c94); }
          }
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 105) {
              s5 = peg$c74;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c75); }
            }
            if (s5 === peg$FAILED) {
              s5 = peg$c1;
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parse__();
              if (s6 !== peg$FAILED) {
                peg$reportedPos = s0;
                s1 = peg$c95(s2, s3, s5);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$c0;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$c0;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$c0;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c88); }
    }

    return s0;
  }

  function peg$parseclassCharacterRange() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    s1 = peg$parseclassCharacter();
    if (s1 !== peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 45) {
        s2 = peg$c96;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c97); }
      }
      if (s2 !== peg$FAILED) {
        s3 = peg$parseclassCharacter();
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c98(s1, s3);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseclassCharacter() {
    var s0, s1;

    s0 = peg$currPos;
    s1 = peg$parsebracketDelimitedCharacter();
    if (s1 !== peg$FAILED) {
      peg$reportedPos = s0;
      s1 = peg$c99(s1);
    }
    s0 = s1;

    return s0;
  }

  function peg$parsebracketDelimitedCharacter() {
    var s0;

    s0 = peg$parsesimpleBracketDelimitedCharacter();
    if (s0 === peg$FAILED) {
      s0 = peg$parsesimpleEscapeSequence();
      if (s0 === peg$FAILED) {
        s0 = peg$parsezeroEscapeSequence();
        if (s0 === peg$FAILED) {
          s0 = peg$parsehexEscapeSequence();
          if (s0 === peg$FAILED) {
            s0 = peg$parseunicodeEscapeSequence();
            if (s0 === peg$FAILED) {
              s0 = peg$parseeolEscapeSequence();
            }
          }
        }
      }
    }

    return s0;
  }

  function peg$parsesimpleBracketDelimitedCharacter() {
    var s0, s1, s2;

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 93) {
      s2 = peg$c93;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c94); }
    }
    if (s2 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 92) {
        s2 = peg$c82;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c83); }
      }
      if (s2 === peg$FAILED) {
        s2 = peg$parseeolChar();
      }
    }
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = peg$c18;
    } else {
      peg$currPos = s1;
      s1 = peg$c0;
    }
    if (s1 !== peg$FAILED) {
      if (input.length > peg$currPos) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c84); }
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c85(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsesimpleEscapeSequence() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 92) {
      s1 = peg$c82;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c83); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      peg$silentFails++;
      s3 = peg$parsedigit();
      if (s3 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 120) {
          s3 = peg$c100;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c101); }
        }
        if (s3 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 117) {
            s3 = peg$c102;
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c103); }
          }
          if (s3 === peg$FAILED) {
            s3 = peg$parseeolChar();
          }
        }
      }
      peg$silentFails--;
      if (s3 === peg$FAILED) {
        s2 = peg$c18;
      } else {
        peg$currPos = s2;
        s2 = peg$c0;
      }
      if (s2 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s3 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c84); }
        }
        if (s3 !== peg$FAILED) {
          peg$reportedPos = s0;
          s1 = peg$c104(s3);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsezeroEscapeSequence() {
    var s0, s1, s2, s3;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c105) {
      s1 = peg$c105;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c106); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      peg$silentFails++;
      s3 = peg$parsedigit();
      peg$silentFails--;
      if (s3 === peg$FAILED) {
        s2 = peg$c18;
      } else {
        peg$currPos = s2;
        s2 = peg$c0;
      }
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c107();
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsehexEscapeSequence() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c108) {
      s1 = peg$c108;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c109); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = peg$currPos;
      s4 = peg$parsehexDigit();
      if (s4 !== peg$FAILED) {
        s5 = peg$parsehexDigit();
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      if (s3 !== peg$FAILED) {
        s3 = input.substring(s2, peg$currPos);
      }
      s2 = s3;
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c110(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseunicodeEscapeSequence() {
    var s0, s1, s2, s3, s4, s5, s6, s7;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c111) {
      s1 = peg$c111;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c112); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      s3 = peg$currPos;
      s4 = peg$parsehexDigit();
      if (s4 !== peg$FAILED) {
        s5 = peg$parsehexDigit();
        if (s5 !== peg$FAILED) {
          s6 = peg$parsehexDigit();
          if (s6 !== peg$FAILED) {
            s7 = peg$parsehexDigit();
            if (s7 !== peg$FAILED) {
              s4 = [s4, s5, s6, s7];
              s3 = s4;
            } else {
              peg$currPos = s3;
              s3 = peg$c0;
            }
          } else {
            peg$currPos = s3;
            s3 = peg$c0;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      if (s3 !== peg$FAILED) {
        s3 = input.substring(s2, peg$currPos);
      }
      s2 = s3;
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c110(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseeolEscapeSequence() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 92) {
      s1 = peg$c82;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c83); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseeol();
      if (s2 !== peg$FAILED) {
        peg$reportedPos = s0;
        s1 = peg$c113(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsedigit() {
    var s0;

    if (peg$c114.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c115); }
    }

    return s0;
  }

  function peg$parsehexDigit() {
    var s0;

    if (peg$c116.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c117); }
    }

    return s0;
  }

  function peg$parseletter() {
    var s0;

    s0 = peg$parselowerCaseLetter();
    if (s0 === peg$FAILED) {
      s0 = peg$parseupperCaseLetter();
    }

    return s0;
  }

  function peg$parselowerCaseLetter() {
    var s0;

    if (peg$c118.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c119); }
    }

    return s0;
  }

  function peg$parseupperCaseLetter() {
    var s0;

    if (peg$c120.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c121); }
    }

    return s0;
  }

  function peg$parse__() {
    var s0, s1;

    s0 = [];
    s1 = peg$parsewhitespace();
    if (s1 === peg$FAILED) {
      s1 = peg$parseeol();
      if (s1 === peg$FAILED) {
        s1 = peg$parsecomment();
      }
    }
    while (s1 !== peg$FAILED) {
      s0.push(s1);
      s1 = peg$parsewhitespace();
      if (s1 === peg$FAILED) {
        s1 = peg$parseeol();
        if (s1 === peg$FAILED) {
          s1 = peg$parsecomment();
        }
      }
    }

    return s0;
  }

  function peg$parsecomment() {
    var s0, s1;

    peg$silentFails++;
    s0 = peg$parsesingleLineComment();
    if (s0 === peg$FAILED) {
      s0 = peg$parsemultiLineComment();
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c122); }
    }

    return s0;
  }

  function peg$parsesingleLineComment() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c123) {
      s1 = peg$c123;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c124); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$currPos;
      peg$silentFails++;
      s5 = peg$parseeolChar();
      peg$silentFails--;
      if (s5 === peg$FAILED) {
        s4 = peg$c18;
      } else {
        peg$currPos = s4;
        s4 = peg$c0;
      }
      if (s4 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c84); }
        }
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$currPos;
        peg$silentFails++;
        s5 = peg$parseeolChar();
        peg$silentFails--;
        if (s5 === peg$FAILED) {
          s4 = peg$c18;
        } else {
          peg$currPos = s4;
          s4 = peg$c0;
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c84); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$c0;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      }
      if (s2 !== peg$FAILED) {
        s1 = [s1, s2];
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parsemultiLineComment() {
    var s0, s1, s2, s3, s4, s5;

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c125) {
      s1 = peg$c125;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c126); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$currPos;
      s4 = peg$currPos;
      peg$silentFails++;
      if (input.substr(peg$currPos, 2) === peg$c127) {
        s5 = peg$c127;
        peg$currPos += 2;
      } else {
        s5 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c128); }
      }
      peg$silentFails--;
      if (s5 === peg$FAILED) {
        s4 = peg$c18;
      } else {
        peg$currPos = s4;
        s4 = peg$c0;
      }
      if (s4 !== peg$FAILED) {
        if (input.length > peg$currPos) {
          s5 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c84); }
        }
        if (s5 !== peg$FAILED) {
          s4 = [s4, s5];
          s3 = s4;
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      } else {
        peg$currPos = s3;
        s3 = peg$c0;
      }
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$currPos;
        s4 = peg$currPos;
        peg$silentFails++;
        if (input.substr(peg$currPos, 2) === peg$c127) {
          s5 = peg$c127;
          peg$currPos += 2;
        } else {
          s5 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c128); }
        }
        peg$silentFails--;
        if (s5 === peg$FAILED) {
          s4 = peg$c18;
        } else {
          peg$currPos = s4;
          s4 = peg$c0;
        }
        if (s4 !== peg$FAILED) {
          if (input.length > peg$currPos) {
            s5 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c84); }
          }
          if (s5 !== peg$FAILED) {
            s4 = [s4, s5];
            s3 = s4;
          } else {
            peg$currPos = s3;
            s3 = peg$c0;
          }
        } else {
          peg$currPos = s3;
          s3 = peg$c0;
        }
      }
      if (s2 !== peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c127) {
          s3 = peg$c127;
          peg$currPos += 2;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c128); }
        }
        if (s3 !== peg$FAILED) {
          s1 = [s1, s2, s3];
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$c0;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$c0;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$c0;
    }

    return s0;
  }

  function peg$parseeol() {
    var s0, s1;

    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 10) {
      s0 = peg$c130;
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c131); }
    }
    if (s0 === peg$FAILED) {
      if (input.substr(peg$currPos, 2) === peg$c132) {
        s0 = peg$c132;
        peg$currPos += 2;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c133); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 13) {
          s0 = peg$c134;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c135); }
        }
        if (s0 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 8232) {
            s0 = peg$c136;
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c137); }
          }
          if (s0 === peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 8233) {
              s0 = peg$c138;
              peg$currPos++;
            } else {
              s0 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c139); }
            }
          }
        }
      }
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c129); }
    }

    return s0;
  }

  function peg$parseeolChar() {
    var s0;

    if (peg$c140.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c141); }
    }

    return s0;
  }

  function peg$parsewhitespace() {
    var s0, s1;

    peg$silentFails++;
    if (peg$c143.test(input.charAt(peg$currPos))) {
      s0 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c144); }
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c142); }
    }

    return s0;
  }

    var utils = require("./utils");

  peg$result = peg$startRuleFunction();

  if (peg$result !== peg$FAILED && peg$currPos === input.length) {
    return peg$result;
  } else {
    if (peg$result !== peg$FAILED && peg$currPos < input.length) {
      peg$fail({ type: "end", description: "end of input" });
    }

    throw peg$buildException(null, peg$maxFailExpected, peg$maxFailPos);
  }
}

return {
  SyntaxError: SyntaxError,
  parse:       parse
};

})();