'use strict';

/*
 * Generated by PEG.js 0.10.0.
 *
 * http://pegjs.org/
 */

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

function peg$SyntaxError(message, expected, found, location) {
  this.message = message;
  this.expected = expected;
  this.found = found;
  this.location = location;
  this.name = 'SyntaxError';

  if (typeof Error.captureStackTrace === 'function') {
    Error.captureStackTrace(this, peg$SyntaxError);
  }
}

peg$subclass(peg$SyntaxError, Error);

peg$SyntaxError.buildMessage = function (expected, found) {
  var DESCRIBE_EXPECTATION_FNS = {
    literal: function (expectation) {
      return '"' + literalEscape(expectation.text) + '"';
    },

    class: function (expectation) {
      var escapedParts = '',
        i;

      for (i = 0; i < expectation.parts.length; i++) {
        escapedParts +=
          expectation.parts[i] instanceof Array
            ? classEscape(expectation.parts[i][0]) + '-' + classEscape(expectation.parts[i][1])
            : classEscape(expectation.parts[i]);
      }

      return '[' + (expectation.inverted ? '^' : '') + escapedParts + ']';
    },

    any: function (expectation) {
      return 'any character';
    },

    end: function (expectation) {
      return 'end of input';
    },

    other: function (expectation) {
      return expectation.description;
    },
  };

  function hex(ch) {
    return ch.charCodeAt(0).toString(16).toUpperCase();
  }

  function literalEscape(s) {
    return s
      .replace(/\\/g, '\\\\')
      .replace(/"/g, '\\"')
      .replace(/\0/g, '\\0')
      .replace(/\t/g, '\\t')
      .replace(/\n/g, '\\n')
      .replace(/\r/g, '\\r')
      .replace(/[\x00-\x0F]/g, function (ch) {
        return '\\x0' + hex(ch);
      })
      .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) {
        return '\\x' + hex(ch);
      });
  }

  function classEscape(s) {
    return s
      .replace(/\\/g, '\\\\')
      .replace(/\]/g, '\\]')
      .replace(/\^/g, '\\^')
      .replace(/-/g, '\\-')
      .replace(/\0/g, '\\0')
      .replace(/\t/g, '\\t')
      .replace(/\n/g, '\\n')
      .replace(/\r/g, '\\r')
      .replace(/[\x00-\x0F]/g, function (ch) {
        return '\\x0' + hex(ch);
      })
      .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) {
        return '\\x' + hex(ch);
      });
  }

  function describeExpectation(expectation) {
    return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
  }

  function describeExpected(expected) {
    var descriptions = new Array(expected.length),
      i,
      j;

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

    descriptions.sort();

    if (descriptions.length > 0) {
      for (i = 1, j = 1; i < descriptions.length; i++) {
        if (descriptions[i - 1] !== descriptions[i]) {
          descriptions[j] = descriptions[i];
          j++;
        }
      }
      descriptions.length = j;
    }

    switch (descriptions.length) {
      case 1:
        return descriptions[0];

      case 2:
        return descriptions[0] + ' or ' + descriptions[1];

      default:
        return (
          descriptions.slice(0, -1).join(', ') + ', or ' + descriptions[descriptions.length - 1]
        );
    }
  }

  function describeFound(found) {
    return found ? '"' + literalEscape(found) + '"' : 'end of input';
  }

  return 'Expected ' + describeExpected(expected) + ' but ' + describeFound(found) + ' found.';
};

function peg$parse(input, options) {
  options = options !== void 0 ? options : {};

  var peg$FAILED = {},
    peg$startRuleFunctions = { start: peg$parsestart },
    peg$startRuleFunction = peg$parsestart,
    peg$c0 = ':',
    peg$c1 = peg$literalExpectation(':', false),
    peg$c2 = function (column, refs) {
      var access = [];
      if (refs) {
        var firstAccess = refs[1];
        access = refs[2];
        access.unshift(firstAccess);
      }
      return { columnName: column, access: access };
    },
    peg$c3 = '[',
    peg$c4 = peg$literalExpectation('[', false),
    peg$c5 = '"',
    peg$c6 = peg$literalExpectation('"', false),
    peg$c7 = "'",
    peg$c8 = peg$literalExpectation("'", false),
    peg$c9 = ']',
    peg$c10 = peg$literalExpectation(']', false),
    peg$c11 = function (key) {
      return { type: 'object', ref: Array.isArray(key) ? key[1] : key };
    },
    peg$c12 = function (index) {
      return { type: 'array', ref: parseInt(index, 10) };
    },
    peg$c13 = function (key) {
      return { type: 'object', ref: key };
    },
    peg$c14 = '.',
    peg$c15 = peg$literalExpectation('.', false),
    peg$c16 = /^[^\][]/,
    peg$c17 = peg$classExpectation([']', '['], true, false),
    peg$c18 = function (chars) {
      return chars.join('');
    },
    peg$c19 = /^[^:]/,
    peg$c20 = peg$classExpectation([':'], true, false),
    peg$c21 = /^[^"]/,
    peg$c22 = peg$classExpectation(['"'], true, false),
    peg$c23 = /^[^']/,
    peg$c24 = peg$classExpectation(["'"], true, false),
    peg$c25 = /^[^.\][]/,
    peg$c26 = peg$classExpectation(['.', ']', '['], true, false),
    peg$c27 = /^[0-9]/,
    peg$c28 = peg$classExpectation([['0', '9']], false, false),
    peg$c29 = function (digits) {
      return digits.join('');
    },
    peg$currPos = 0,
    peg$savedPos = 0,
    peg$posDetailsCache = [{ line: 1, column: 1 }],
    peg$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$savedPos, peg$currPos);
  }

  function location() {
    return peg$computeLocation(peg$savedPos, peg$currPos);
  }

  function expected(description, location) {
    location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildStructuredError(
      [peg$otherExpectation(description)],
      input.substring(peg$savedPos, peg$currPos),
      location
    );
  }

  function error(message, location) {
    location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildSimpleError(message, location);
  }

  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$anyExpectation() {
    return { type: 'any' };
  }

  function peg$endExpectation() {
    return { type: 'end' };
  }

  function peg$otherExpectation(description) {
    return { type: 'other', description: description };
  }

  function peg$computePosDetails(pos) {
    var details = peg$posDetailsCache[pos],
      p;

    if (details) {
      return details;
    } else {
      p = pos - 1;
      while (!peg$posDetailsCache[p]) {
        p--;
      }

      details = peg$posDetailsCache[p];
      details = {
        line: details.line,
        column: details.column,
      };

      while (p < pos) {
        if (input.charCodeAt(p) === 10) {
          details.line++;
          details.column = 1;
        } else {
          details.column++;
        }

        p++;
      }

      peg$posDetailsCache[pos] = details;
      return details;
    }
  }

  function peg$computeLocation(startPos, endPos) {
    var startPosDetails = peg$computePosDetails(startPos),
      endPosDetails = peg$computePosDetails(endPos);

    return {
      start: {
        offset: startPos,
        line: startPosDetails.line,
        column: startPosDetails.column,
      },
      end: {
        offset: endPos,
        line: endPosDetails.line,
        column: endPosDetails.column,
      },
    };
  }

  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$buildSimpleError(message, location) {
    return new peg$SyntaxError(message, null, null, location);
  }

  function peg$buildStructuredError(expected, found, location) {
    return new peg$SyntaxError(
      peg$SyntaxError.buildMessage(expected, found),
      expected,
      found,
      location
    );
  }

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

    s0 = peg$currPos;
    s1 = peg$parsestringWithoutColon();
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 58) {
        s3 = peg$c0;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c1);
        }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parsebracketIndexRef();
        if (s4 === peg$FAILED) {
          s4 = peg$parsebracketStringRef();
          if (s4 === peg$FAILED) {
            s4 = peg$parsecolonReference();
          }
        }
        if (s4 !== peg$FAILED) {
          s5 = [];
          s6 = peg$parsebracketIndexRef();
          if (s6 === peg$FAILED) {
            s6 = peg$parsebracketStringRef();
            if (s6 === peg$FAILED) {
              s6 = peg$parsedotReference();
            }
          }
          while (s6 !== peg$FAILED) {
            s5.push(s6);
            s6 = peg$parsebracketIndexRef();
            if (s6 === peg$FAILED) {
              s6 = peg$parsebracketStringRef();
              if (s6 === peg$FAILED) {
                s6 = peg$parsedotReference();
              }
            }
          }
          if (s5 !== peg$FAILED) {
            s3 = [s3, s4, s5];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c2(s1, s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c3;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c4);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 34) {
        s3 = peg$c5;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c6);
        }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parsestringWithoutDoubleQuotes();
        if (s4 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 34) {
            s5 = peg$c5;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) {
              peg$fail(peg$c6);
            }
          }
          if (s5 !== peg$FAILED) {
            s3 = [s3, s4, s5];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 39) {
          s3 = peg$c7;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c8);
          }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsestringWithoutSingleQuotes();
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 39) {
              s5 = peg$c7;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }
            if (s5 !== peg$FAILED) {
              s3 = [s3, s4, s5];
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$parsestringWithoutSquareBrackets();
        }
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 93) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c10);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c11(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c3;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c4);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseinteger();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 93) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c10);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c12(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parsestringWithoutSquareBracketsOrDots();
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c13(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 46) {
      s1 = peg$c14;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c15);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsestringWithoutSquareBracketsOrDots();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c13(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c16.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c17);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c16.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c17);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c19.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c20);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c19.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c20);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c21.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c22);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c21.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c22);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c23.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c24);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c23.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c24);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c25.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c26);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c25.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c26);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c27.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c28);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c27.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c28);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c29(s1);
    }
    s0 = s1;

    return s0;
  }

  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(peg$endExpectation());
    }

    throw peg$buildStructuredError(
      peg$maxFailExpected,
      peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
      peg$maxFailPos < input.length
        ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
        : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
    );
  }
}

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

'use strict';

/*
 * Generated by PEG.js 0.10.0.
 *
 * http://pegjs.org/
 */

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

function peg$SyntaxError(message, expected, found, location) {
  this.message = message;
  this.expected = expected;
  this.found = found;
  this.location = location;
  this.name = 'SyntaxError';

  if (typeof Error.captureStackTrace === 'function') {
    Error.captureStackTrace(this, peg$SyntaxError);
  }
}

peg$subclass(peg$SyntaxError, Error);

peg$SyntaxError.buildMessage = function (expected, found) {
  var DESCRIBE_EXPECTATION_FNS = {
    literal: function (expectation) {
      return '"' + literalEscape(expectation.text) + '"';
    },

    class: function (expectation) {
      var escapedParts = '',
        i;

      for (i = 0; i < expectation.parts.length; i++) {
        escapedParts +=
          expectation.parts[i] instanceof Array
            ? classEscape(expectation.parts[i][0]) + '-' + classEscape(expectation.parts[i][1])
            : classEscape(expectation.parts[i]);
      }

      return '[' + (expectation.inverted ? '^' : '') + escapedParts + ']';
    },

    any: function (expectation) {
      return 'any character';
    },

    end: function (expectation) {
      return 'end of input';
    },

    other: function (expectation) {
      return expectation.description;
    },
  };

  function hex(ch) {
    return ch.charCodeAt(0).toString(16).toUpperCase();
  }

  function literalEscape(s) {
    return s
      .replace(/\\/g, '\\\\')
      .replace(/"/g, '\\"')
      .replace(/\0/g, '\\0')
      .replace(/\t/g, '\\t')
      .replace(/\n/g, '\\n')
      .replace(/\r/g, '\\r')
      .replace(/[\x00-\x0F]/g, function (ch) {
        return '\\x0' + hex(ch);
      })
      .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) {
        return '\\x' + hex(ch);
      });
  }

  function classEscape(s) {
    return s
      .replace(/\\/g, '\\\\')
      .replace(/\]/g, '\\]')
      .replace(/\^/g, '\\^')
      .replace(/-/g, '\\-')
      .replace(/\0/g, '\\0')
      .replace(/\t/g, '\\t')
      .replace(/\n/g, '\\n')
      .replace(/\r/g, '\\r')
      .replace(/[\x00-\x0F]/g, function (ch) {
        return '\\x0' + hex(ch);
      })
      .replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) {
        return '\\x' + hex(ch);
      });
  }

  function describeExpectation(expectation) {
    return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
  }

  function describeExpected(expected) {
    var descriptions = new Array(expected.length),
      i,
      j;

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

    descriptions.sort();

    if (descriptions.length > 0) {
      for (i = 1, j = 1; i < descriptions.length; i++) {
        if (descriptions[i - 1] !== descriptions[i]) {
          descriptions[j] = descriptions[i];
          j++;
        }
      }
      descriptions.length = j;
    }

    switch (descriptions.length) {
      case 1:
        return descriptions[0];

      case 2:
        return descriptions[0] + ' or ' + descriptions[1];

      default:
        return (
          descriptions.slice(0, -1).join(', ') + ', or ' + descriptions[descriptions.length - 1]
        );
    }
  }

  function describeFound(found) {
    return found ? '"' + literalEscape(found) + '"' : 'end of input';
  }

  return 'Expected ' + describeExpected(expected) + ' but ' + describeFound(found) + ' found.';
};

function peg$parse(input, options) {
  options = options !== void 0 ? options : {};

  var peg$FAILED = {},
    peg$startRuleFunctions = { start: peg$parsestart },
    peg$startRuleFunction = peg$parsestart,
    peg$c0 = ':',
    peg$c1 = peg$literalExpectation(':', false),
    peg$c2 = function (column, refs) {
      var access = [];
      if (refs) {
        var firstAccess = refs[1];
        access = refs[2];
        access.unshift(firstAccess);
      }
      return { columnName: column, access: access };
    },
    peg$c3 = '[',
    peg$c4 = peg$literalExpectation('[', false),
    peg$c5 = '"',
    peg$c6 = peg$literalExpectation('"', false),
    peg$c7 = "'",
    peg$c8 = peg$literalExpectation("'", false),
    peg$c9 = ']',
    peg$c10 = peg$literalExpectation(']', false),
    peg$c11 = function (key) {
      return { type: 'object', ref: Array.isArray(key) ? key[1] : key };
    },
    peg$c12 = function (index) {
      return { type: 'array', ref: parseInt(index, 10) };
    },
    peg$c13 = function (key) {
      return { type: 'object', ref: key };
    },
    peg$c14 = '.',
    peg$c15 = peg$literalExpectation('.', false),
    peg$c16 = /^[^\][]/,
    peg$c17 = peg$classExpectation([']', '['], true, false),
    peg$c18 = function (chars) {
      return chars.join('');
    },
    peg$c19 = /^[^:]/,
    peg$c20 = peg$classExpectation([':'], true, false),
    peg$c21 = /^[^"]/,
    peg$c22 = peg$classExpectation(['"'], true, false),
    peg$c23 = /^[^']/,
    peg$c24 = peg$classExpectation(["'"], true, false),
    peg$c25 = /^[^.\][]/,
    peg$c26 = peg$classExpectation(['.', ']', '['], true, false),
    peg$c27 = /^[0-9]/,
    peg$c28 = peg$classExpectation([['0', '9']], false, false),
    peg$c29 = function (digits) {
      return digits.join('');
    },
    peg$currPos = 0,
    peg$savedPos = 0,
    peg$posDetailsCache = [{ line: 1, column: 1 }],
    peg$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$savedPos, peg$currPos);
  }

  function location() {
    return peg$computeLocation(peg$savedPos, peg$currPos);
  }

  function expected(description, location) {
    location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildStructuredError(
      [peg$otherExpectation(description)],
      input.substring(peg$savedPos, peg$currPos),
      location
    );
  }

  function error(message, location) {
    location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos);

    throw peg$buildSimpleError(message, location);
  }

  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$anyExpectation() {
    return { type: 'any' };
  }

  function peg$endExpectation() {
    return { type: 'end' };
  }

  function peg$otherExpectation(description) {
    return { type: 'other', description: description };
  }

  function peg$computePosDetails(pos) {
    var details = peg$posDetailsCache[pos],
      p;

    if (details) {
      return details;
    } else {
      p = pos - 1;
      while (!peg$posDetailsCache[p]) {
        p--;
      }

      details = peg$posDetailsCache[p];
      details = {
        line: details.line,
        column: details.column,
      };

      while (p < pos) {
        if (input.charCodeAt(p) === 10) {
          details.line++;
          details.column = 1;
        } else {
          details.column++;
        }

        p++;
      }

      peg$posDetailsCache[pos] = details;
      return details;
    }
  }

  function peg$computeLocation(startPos, endPos) {
    var startPosDetails = peg$computePosDetails(startPos),
      endPosDetails = peg$computePosDetails(endPos);

    return {
      start: {
        offset: startPos,
        line: startPosDetails.line,
        column: startPosDetails.column,
      },
      end: {
        offset: endPos,
        line: endPosDetails.line,
        column: endPosDetails.column,
      },
    };
  }

  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$buildSimpleError(message, location) {
    return new peg$SyntaxError(message, null, null, location);
  }

  function peg$buildStructuredError(expected, found, location) {
    return new peg$SyntaxError(
      peg$SyntaxError.buildMessage(expected, found),
      expected,
      found,
      location
    );
  }

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

    s0 = peg$currPos;
    s1 = peg$parsestringWithoutColon();
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 58) {
        s3 = peg$c0;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c1);
        }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parsebracketIndexRef();
        if (s4 === peg$FAILED) {
          s4 = peg$parsebracketStringRef();
          if (s4 === peg$FAILED) {
            s4 = peg$parsecolonReference();
          }
        }
        if (s4 !== peg$FAILED) {
          s5 = [];
          s6 = peg$parsebracketIndexRef();
          if (s6 === peg$FAILED) {
            s6 = peg$parsebracketStringRef();
            if (s6 === peg$FAILED) {
              s6 = peg$parsedotReference();
            }
          }
          while (s6 !== peg$FAILED) {
            s5.push(s6);
            s6 = peg$parsebracketIndexRef();
            if (s6 === peg$FAILED) {
              s6 = peg$parsebracketStringRef();
              if (s6 === peg$FAILED) {
                s6 = peg$parsedotReference();
              }
            }
          }
          if (s5 !== peg$FAILED) {
            s3 = [s3, s4, s5];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c2(s1, s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c3;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c4);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 34) {
        s3 = peg$c5;
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) {
          peg$fail(peg$c6);
        }
      }
      if (s3 !== peg$FAILED) {
        s4 = peg$parsestringWithoutDoubleQuotes();
        if (s4 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 34) {
            s5 = peg$c5;
            peg$currPos++;
          } else {
            s5 = peg$FAILED;
            if (peg$silentFails === 0) {
              peg$fail(peg$c6);
            }
          }
          if (s5 !== peg$FAILED) {
            s3 = [s3, s4, s5];
            s2 = s3;
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
      } else {
        peg$currPos = s2;
        s2 = peg$FAILED;
      }
      if (s2 === peg$FAILED) {
        s2 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 39) {
          s3 = peg$c7;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c8);
          }
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parsestringWithoutSingleQuotes();
          if (s4 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 39) {
              s5 = peg$c7;
              peg$currPos++;
            } else {
              s5 = peg$FAILED;
              if (peg$silentFails === 0) {
                peg$fail(peg$c8);
              }
            }
            if (s5 !== peg$FAILED) {
              s3 = [s3, s4, s5];
              s2 = s3;
            } else {
              peg$currPos = s2;
              s2 = peg$FAILED;
            }
          } else {
            peg$currPos = s2;
            s2 = peg$FAILED;
          }
        } else {
          peg$currPos = s2;
          s2 = peg$FAILED;
        }
        if (s2 === peg$FAILED) {
          s2 = peg$parsestringWithoutSquareBrackets();
        }
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 93) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c10);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c11(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c3;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c4);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseinteger();
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 93) {
          s3 = peg$c9;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c10);
          }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c12(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parsestringWithoutSquareBracketsOrDots();
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c13(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 46) {
      s1 = peg$c14;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c15);
      }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsestringWithoutSquareBracketsOrDots();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c13(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c16.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c17);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c16.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c17);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c19.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c20);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c19.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c20);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c21.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c22);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c21.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c22);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c23.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c24);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c23.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c24);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c25.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c26);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c25.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c26);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c18(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c27.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) {
        peg$fail(peg$c28);
      }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c27.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) {
            peg$fail(peg$c28);
          }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c29(s1);
    }
    s0 = s1;

    return s0;
  }

  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(peg$endExpectation());
    }

    throw peg$buildStructuredError(
      peg$maxFailExpected,
      peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
      peg$maxFailPos < input.length
        ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
        : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
    );
  }
}

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