HEX
Server: nginx/1.24.0
System: Linux nowruzgan 6.8.0-57-generic #59-Ubuntu SMP PREEMPT_DYNAMIC Sat Mar 15 17:40:59 UTC 2025 x86_64
User: babak (1000)
PHP: 8.3.6
Disabled: NONE
Upload Files
File: //usr/share/opensearch-dashboards/node_modules/lucene/lib/queryParser.js
/*
 * Generated by PEG.js 0.10.0.
 *
 * http://pegjs.org/
 */

"use strict";

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$c0 = function(node) {
              return node[0];
          },
      peg$c1 = function() {
              return {};
          },
      peg$c2 = function(operator) {
              return {
                  'operator': operator,
              };
          },
      peg$c3 = function(start, left, operator, right) {
              var node = {
                  'start': start,
                  'left': left,
              };

              var right =
                      right.length == 0
                      ? null
                      : right[0]['right'] == null
                          ? right[0]['left']
                          : right[0];

              if (right != null) {
                  node['operator'] = operator == '' ? '<implicit>' : operator[0];
                  node['right'] = right;
              }

              return node;
          },
      peg$c4 = function(operator, right) {
              return right;
          },
      peg$c5 = function(left, operator, right) {
              var node = {
                  'left':left
              };

              var right =
                      right.length == 0
                      ? null
                      : right[0]['right'] == null
                          ? right[0]['left']
                          : right[0];

              if (right != null) {
                  node['operator'] = operator == '' ? '<implicit>' : operator[0];
                  node['right'] = right;
              }

              return node;
          },
      peg$c6 = function(field_exp) {
              return field_exp;
          },
      peg$c7 = "(",
      peg$c8 = peg$literalExpectation("(", false),
      peg$c9 = ")",
      peg$c10 = peg$literalExpectation(")", false),
      peg$c11 = function(node) {
              node[0]['parenthesized'] = true;
              return node[0];
          },
      peg$c12 = function(fieldname, range) {
              range['field'] =
                  fieldname == null || fieldname.label == ''
                      ? "<implicit>"
                      : fieldname.label;
              range['fieldLocation'] =
              fieldname == null || fieldname.label == ''
                  ? null
                  : fieldname.location;

              return range;
          },
      peg$c13 = function(fieldname, node) {
              node['field']= fieldname.label;
              node['fieldLocation'] = fieldname.location;
              return node;
          },
      peg$c14 = function(fieldname, term) {
              var fieldexp = {
                  'field':
                      fieldname == null || fieldname.label == ''
                          ? "<implicit>"
                          : fieldname.label,
                  'fieldLocation':
                      fieldname == null || fieldname.label == ''
                          ? null
                          : fieldname.location,


                  };

              for(var key in term)
                  fieldexp[key] = term[key];

              return fieldexp;
          },
      peg$c15 = /^[:]/,
      peg$c16 = peg$classExpectation([":"], false, false),
      peg$c17 = function(fieldname) {
              return {
                label: fieldname.label,
                location: fieldname.location
              }

          },
      peg$c18 = function(op, term, proximity, boost) {
              var result = {
                'term': term,
                'quoted': true,
                'regex' : false,
                'termLocation': location()
              };

              if('' != proximity)
              {
                  result['proximity'] = proximity;
              }
              if('' != boost)
              {
                  result['boost'] = boost;
              }
              if('' != op)
              {
                  result['prefix'] = op;
              }

              return result;
          },
      peg$c19 = function(op, term) {
              var result = {
                'term': term,
                'quoted': false,
                'regex': true,
                'termLocation': location()
              };

              return result;
          },
      peg$c20 = function(op, term, similarity, boost) {
              var result = {
                'term': term.label,
                'quoted': false,
                'regex': false,
                'termLocation': location()
              };
              if('' != similarity)
              {
                  result['similarity'] = similarity;
              }
              if('' != boost)
              {
                  result['boost'] = boost;
              }
              if('' != op)
              {
                  result['prefix'] = op;
              }
              return result;
          },
      peg$c21 = "\\",
      peg$c22 = peg$literalExpectation("\\", false),
      peg$c23 = function(sequence) { return '\\' + sequence; },
      peg$c24 = ".",
      peg$c25 = peg$literalExpectation(".", false),
      peg$c26 = /^[^ \t\r\n\f{}()"\/\^~[\]]/,
      peg$c27 = peg$classExpectation([" ", "\t", "\r", "\n", "\f", "{", "}", "(", ")", "\"", "/", "^", "~", "[", "]"], true, false),
      peg$c28 = function(term) {
              return term.join('');
          },
      peg$c29 = function(term) {
              return {
                label: term.join(''),
                location: location(),
              };
          },
      peg$c30 = /^[^: \t\r\n\f{}()"\/\^~[\]]/,
      peg$c31 = peg$classExpectation([":", " ", "\t", "\r", "\n", "\f", "{", "}", "(", ")", "\"", "/", "^", "~", "[", "]"], true, false),
      peg$c32 = "\"",
      peg$c33 = peg$literalExpectation("\"", false),
      peg$c34 = function(chars) { return chars.join(''); },
      peg$c35 = "/",
      peg$c36 = peg$literalExpectation("/", false),
      peg$c37 = function(chars) { return chars.join('') },
      peg$c38 = peg$anyExpectation(),
      peg$c39 = function(char) { return char; },
      peg$c40 = "+",
      peg$c41 = peg$literalExpectation("+", false),
      peg$c42 = "-",
      peg$c43 = peg$literalExpectation("-", false),
      peg$c44 = "!",
      peg$c45 = peg$literalExpectation("!", false),
      peg$c46 = "{",
      peg$c47 = peg$literalExpectation("{", false),
      peg$c48 = "}",
      peg$c49 = peg$literalExpectation("}", false),
      peg$c50 = "[",
      peg$c51 = peg$literalExpectation("[", false),
      peg$c52 = "]",
      peg$c53 = peg$literalExpectation("]", false),
      peg$c54 = "^",
      peg$c55 = peg$literalExpectation("^", false),
      peg$c56 = "?",
      peg$c57 = peg$literalExpectation("?", false),
      peg$c58 = ":",
      peg$c59 = peg$literalExpectation(":", false),
      peg$c60 = "&",
      peg$c61 = peg$literalExpectation("&", false),
      peg$c62 = "|",
      peg$c63 = peg$literalExpectation("|", false),
      peg$c64 = "'",
      peg$c65 = peg$literalExpectation("'", false),
      peg$c66 = "~",
      peg$c67 = peg$literalExpectation("~", false),
      peg$c68 = "*",
      peg$c69 = peg$literalExpectation("*", false),
      peg$c70 = " ",
      peg$c71 = peg$literalExpectation(" ", false),
      peg$c72 = function(proximity) {
              return proximity;
          },
      peg$c73 = function(boost) {
              return boost;
          },
      peg$c74 = function(fuzziness) {
              return fuzziness == '' || fuzziness == null ? 0.5 : fuzziness;
          },
      peg$c75 = "0.",
      peg$c76 = peg$literalExpectation("0.", false),
      peg$c77 = /^[0-9]/,
      peg$c78 = peg$classExpectation([["0", "9"]], false, false),
      peg$c79 = function(val) {
              return parseFloat("0." + val.join(''));
          },
      peg$c80 = function(val) {
              return parseInt(val.join(''));
          },
      peg$c81 = "TO",
      peg$c82 = peg$literalExpectation("TO", false),
      peg$c83 = function(term_min, term_max) {
              return {
                  'term_min': term_min,
                  'term_max': term_max,
                  'inclusive': 'both'
              };
          },
      peg$c84 = function(term_min, term_max) {
              return {
                  'term_min': term_min,
                  'term_max': term_max,
                  'inclusive': 'none'
              };
          },
      peg$c85 = function(term_min, term_max) {
              return {
                  'term_min': term_min,
                  'term_max': term_max,
                  'inclusive': 'left'
              };
          },
      peg$c86 = function(term_min, term_max) {
              return {
                  'term_min': term_min,
                  'term_max': term_max,
                  'inclusive': 'right'
              };
          },
      peg$c87 = function(operator) {
              return operator;
          },
      peg$c88 = "OR NOT",
      peg$c89 = peg$literalExpectation("OR NOT", false),
      peg$c90 = "AND NOT",
      peg$c91 = peg$literalExpectation("AND NOT", false),
      peg$c92 = "OR",
      peg$c93 = peg$literalExpectation("OR", false),
      peg$c94 = "AND",
      peg$c95 = peg$literalExpectation("AND", false),
      peg$c96 = "NOT",
      peg$c97 = peg$literalExpectation("NOT", false),
      peg$c98 = "||",
      peg$c99 = peg$literalExpectation("||", false),
      peg$c100 = "&&",
      peg$c101 = peg$literalExpectation("&&", false),
      peg$c102 = peg$otherExpectation("whitespace"),
      peg$c103 = /^[ \t\r\n\f]/,
      peg$c104 = peg$classExpectation([" ", "\t", "\r", "\n", "\f"], false, false),

      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;

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parse_();
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$parse_();
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parsenode();
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parsenode();
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c0(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parse_();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parse_();
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c1();
      }
      s0 = s1;
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseEOF();
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c1();
        }
        s0 = s1;
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseoperator_exp();
    if (s1 !== peg$FAILED) {
      s2 = peg$parseEOF();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c2(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseoperator_exp();
      if (s1 !== peg$FAILED) {
        s2 = peg$parsegroup_exp();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parseoperator_exp();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parseoperator_exp();
          }
          if (s3 !== peg$FAILED) {
            s4 = [];
            s5 = peg$parsenode();
            while (s5 !== peg$FAILED) {
              s4.push(s5);
              s5 = peg$parsenode();
            }
            if (s4 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c3(s1, s2, s3, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseoperator_exp();
        if (s1 !== peg$FAILED) {
          s2 = peg$parsenode();
          if (s2 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c4(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$parsegroup_exp();
          if (s1 !== peg$FAILED) {
            s2 = [];
            s3 = peg$parseoperator_exp();
            while (s3 !== peg$FAILED) {
              s2.push(s3);
              s3 = peg$parseoperator_exp();
            }
            if (s2 !== peg$FAILED) {
              s3 = [];
              s4 = peg$parsenode();
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                s4 = peg$parsenode();
              }
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c5(s1, s2, s3);
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parsefield_exp();
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parse_();
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$parse_();
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c6(s1);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$parseparen_exp();
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 40) {
      s1 = peg$c7;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c8); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parse_();
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$parse_();
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parsenode();
        if (s4 !== peg$FAILED) {
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parsenode();
          }
        } else {
          s3 = peg$FAILED;
        }
        if (s3 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 41) {
            s4 = peg$c9;
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c10); }
          }
          if (s4 !== peg$FAILED) {
            s5 = [];
            s6 = peg$parse_();
            while (s6 !== peg$FAILED) {
              s5.push(s6);
              s6 = peg$parse_();
            }
            if (s5 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c11(s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parsefieldname();
    if (s1 === peg$FAILED) {
      s1 = null;
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parserange_operator_exp();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c12(s1, s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parsefieldname();
      if (s1 !== peg$FAILED) {
        s2 = peg$parseparen_exp();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c13(s1, s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parsefieldname();
        if (s1 === peg$FAILED) {
          s1 = null;
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseterm();
          if (s2 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c14(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$parseunquoted_term();
    if (s1 !== peg$FAILED) {
      if (peg$c15.test(input.charAt(peg$currPos))) {
        s2 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c16); }
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parse_();
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parse_();
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c17(s1);
          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$parseterm() {
    var s0, s1, s2, s3, s4, s5, s6;

    s0 = peg$currPos;
    s1 = peg$parseprefix_operator_exp();
    if (s1 === peg$FAILED) {
      s1 = null;
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsequoted_term();
      if (s2 !== peg$FAILED) {
        s3 = peg$parseproximity_modifier();
        if (s3 === peg$FAILED) {
          s3 = null;
        }
        if (s3 !== peg$FAILED) {
          s4 = peg$parseboost_modifier();
          if (s4 === peg$FAILED) {
            s4 = null;
          }
          if (s4 !== peg$FAILED) {
            s5 = [];
            s6 = peg$parse_();
            while (s6 !== peg$FAILED) {
              s5.push(s6);
              s6 = peg$parse_();
            }
            if (s5 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c18(s1, s2, s3, s4);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = peg$parseprefix_operator_exp();
      if (s1 === peg$FAILED) {
        s1 = null;
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseregex_term();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parse_();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parse_();
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c19(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$parseprefix_operator_exp();
        if (s1 === peg$FAILED) {
          s1 = null;
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseunquoted_term();
          if (s2 !== peg$FAILED) {
            s3 = peg$parsefuzzy_modifier();
            if (s3 === peg$FAILED) {
              s3 = null;
            }
            if (s3 !== peg$FAILED) {
              s4 = peg$parseboost_modifier();
              if (s4 === peg$FAILED) {
                s4 = null;
              }
              if (s4 !== peg$FAILED) {
                s5 = [];
                s6 = peg$parse_();
                while (s6 !== peg$FAILED) {
                  s5.push(s6);
                  s6 = peg$parse_();
                }
                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c20(s1, s2, s3, s4);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } 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$parserterm_char() {
    var s0, s1, s2;

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 92) {
      s1 = peg$c21;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c22); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseEscapeSequence();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c23(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 46) {
        s0 = peg$c24;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c25); }
      }
      if (s0 === peg$FAILED) {
        if (peg$c26.test(input.charAt(peg$currPos))) {
          s0 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c27); }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parserterm_char();
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parserterm_char();
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c28(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parseterm_char();
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parseterm_char();
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c29(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 92) {
      s1 = peg$c21;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c22); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseEscapeSequence();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c23(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 46) {
        s0 = peg$c24;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c25); }
      }
      if (s0 === peg$FAILED) {
        if (peg$c30.test(input.charAt(peg$currPos))) {
          s0 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c31); }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 34) {
      s1 = peg$c32;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c33); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parseDoubleStringCharacter();
      while (s3 !== peg$FAILED) {
        s2.push(s3);
        s3 = peg$parseDoubleStringCharacter();
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 34) {
          s3 = peg$c32;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c33); }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c34(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 47) {
      s1 = peg$c35;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c36); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      s3 = peg$parseRegexCharacter();
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          s3 = peg$parseRegexCharacter();
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 47) {
          s3 = peg$c35;
          peg$currPos++;
        } else {
          s3 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c36); }
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c37(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 34) {
      s2 = peg$c32;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c33); }
    }
    if (s2 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 92) {
        s2 = peg$c21;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c22); }
      }
    }
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = void 0;
    } else {
      peg$currPos = s1;
      s1 = peg$FAILED;
    }
    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$fail(peg$c38); }
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c39(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 92) {
        s1 = peg$c21;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c22); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseEscapeSequence();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c23(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = peg$currPos;
    peg$silentFails++;
    if (input.charCodeAt(peg$currPos) === 47) {
      s2 = peg$c35;
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c36); }
    }
    if (s2 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 92) {
        s2 = peg$c21;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c22); }
      }
    }
    peg$silentFails--;
    if (s2 === peg$FAILED) {
      s1 = void 0;
    } else {
      peg$currPos = s1;
      s1 = peg$FAILED;
    }
    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$fail(peg$c38); }
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c39(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 92) {
        s1 = peg$c21;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c22); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseEscapeSequence();
        if (s2 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c23(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

  function peg$parseEscapeSequence() {
    var s0;

    if (input.charCodeAt(peg$currPos) === 43) {
      s0 = peg$c40;
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c41); }
    }
    if (s0 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 45) {
        s0 = peg$c42;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c43); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 33) {
          s0 = peg$c44;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c45); }
        }
        if (s0 === peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 40) {
            s0 = peg$c7;
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c8); }
          }
          if (s0 === peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 41) {
              s0 = peg$c9;
              peg$currPos++;
            } else {
              s0 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c10); }
            }
            if (s0 === peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 123) {
                s0 = peg$c46;
                peg$currPos++;
              } else {
                s0 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c47); }
              }
              if (s0 === peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 125) {
                  s0 = peg$c48;
                  peg$currPos++;
                } else {
                  s0 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c49); }
                }
                if (s0 === peg$FAILED) {
                  if (input.charCodeAt(peg$currPos) === 91) {
                    s0 = peg$c50;
                    peg$currPos++;
                  } else {
                    s0 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c51); }
                  }
                  if (s0 === peg$FAILED) {
                    if (input.charCodeAt(peg$currPos) === 93) {
                      s0 = peg$c52;
                      peg$currPos++;
                    } else {
                      s0 = peg$FAILED;
                      if (peg$silentFails === 0) { peg$fail(peg$c53); }
                    }
                    if (s0 === peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 94) {
                        s0 = peg$c54;
                        peg$currPos++;
                      } else {
                        s0 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$c55); }
                      }
                      if (s0 === peg$FAILED) {
                        if (input.charCodeAt(peg$currPos) === 34) {
                          s0 = peg$c32;
                          peg$currPos++;
                        } else {
                          s0 = peg$FAILED;
                          if (peg$silentFails === 0) { peg$fail(peg$c33); }
                        }
                        if (s0 === peg$FAILED) {
                          if (input.charCodeAt(peg$currPos) === 63) {
                            s0 = peg$c56;
                            peg$currPos++;
                          } else {
                            s0 = peg$FAILED;
                            if (peg$silentFails === 0) { peg$fail(peg$c57); }
                          }
                          if (s0 === peg$FAILED) {
                            if (input.charCodeAt(peg$currPos) === 58) {
                              s0 = peg$c58;
                              peg$currPos++;
                            } else {
                              s0 = peg$FAILED;
                              if (peg$silentFails === 0) { peg$fail(peg$c59); }
                            }
                            if (s0 === peg$FAILED) {
                              if (input.charCodeAt(peg$currPos) === 92) {
                                s0 = peg$c21;
                                peg$currPos++;
                              } else {
                                s0 = peg$FAILED;
                                if (peg$silentFails === 0) { peg$fail(peg$c22); }
                              }
                              if (s0 === peg$FAILED) {
                                if (input.charCodeAt(peg$currPos) === 38) {
                                  s0 = peg$c60;
                                  peg$currPos++;
                                } else {
                                  s0 = peg$FAILED;
                                  if (peg$silentFails === 0) { peg$fail(peg$c61); }
                                }
                                if (s0 === peg$FAILED) {
                                  if (input.charCodeAt(peg$currPos) === 124) {
                                    s0 = peg$c62;
                                    peg$currPos++;
                                  } else {
                                    s0 = peg$FAILED;
                                    if (peg$silentFails === 0) { peg$fail(peg$c63); }
                                  }
                                  if (s0 === peg$FAILED) {
                                    if (input.charCodeAt(peg$currPos) === 39) {
                                      s0 = peg$c64;
                                      peg$currPos++;
                                    } else {
                                      s0 = peg$FAILED;
                                      if (peg$silentFails === 0) { peg$fail(peg$c65); }
                                    }
                                    if (s0 === peg$FAILED) {
                                      if (input.charCodeAt(peg$currPos) === 47) {
                                        s0 = peg$c35;
                                        peg$currPos++;
                                      } else {
                                        s0 = peg$FAILED;
                                        if (peg$silentFails === 0) { peg$fail(peg$c36); }
                                      }
                                      if (s0 === peg$FAILED) {
                                        if (input.charCodeAt(peg$currPos) === 126) {
                                          s0 = peg$c66;
                                          peg$currPos++;
                                        } else {
                                          s0 = peg$FAILED;
                                          if (peg$silentFails === 0) { peg$fail(peg$c67); }
                                        }
                                        if (s0 === peg$FAILED) {
                                          if (input.charCodeAt(peg$currPos) === 42) {
                                            s0 = peg$c68;
                                            peg$currPos++;
                                          } else {
                                            s0 = peg$FAILED;
                                            if (peg$silentFails === 0) { peg$fail(peg$c69); }
                                          }
                                          if (s0 === peg$FAILED) {
                                            if (input.charCodeAt(peg$currPos) === 32) {
                                              s0 = peg$c70;
                                              peg$currPos++;
                                            } else {
                                              s0 = peg$FAILED;
                                              if (peg$silentFails === 0) { peg$fail(peg$c71); }
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 126) {
      s1 = peg$c66;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c67); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseint_exp();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c72(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 94) {
      s1 = peg$c54;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c55); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsedecimal_or_int_exp();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c73(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 126) {
      s1 = peg$c66;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c67); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parsedecimal_exp();
      if (s2 === peg$FAILED) {
        s2 = null;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c74(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parsedecimal_or_int_exp() {
    var s0;

    s0 = peg$parsedecimal_exp();
    if (s0 === peg$FAILED) {
      s0 = peg$parseint_exp();
    }

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.substr(peg$currPos, 2) === peg$c75) {
      s1 = peg$c75;
      peg$currPos += 2;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c76); }
    }
    if (s1 !== peg$FAILED) {
      s2 = [];
      if (peg$c77.test(input.charAt(peg$currPos))) {
        s3 = input.charAt(peg$currPos);
        peg$currPos++;
      } else {
        s3 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c78); }
      }
      if (s3 !== peg$FAILED) {
        while (s3 !== peg$FAILED) {
          s2.push(s3);
          if (peg$c77.test(input.charAt(peg$currPos))) {
            s3 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s3 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c78); }
          }
        }
      } else {
        s2 = peg$FAILED;
      }
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c79(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    if (peg$c77.test(input.charAt(peg$currPos))) {
      s2 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s2 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c78); }
    }
    if (s2 !== peg$FAILED) {
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        if (peg$c77.test(input.charAt(peg$currPos))) {
          s2 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c78); }
        }
      }
    } else {
      s1 = peg$FAILED;
    }
    if (s1 !== peg$FAILED) {
      peg$savedPos = s0;
      s1 = peg$c80(s1);
    }
    s0 = s1;

    return s0;
  }

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

    s0 = peg$currPos;
    if (input.charCodeAt(peg$currPos) === 91) {
      s1 = peg$c50;
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c51); }
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseranged_term();
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parse_();
        while (s4 !== peg$FAILED) {
          s3.push(s4);
          s4 = peg$parse_();
        }
        if (s3 !== peg$FAILED) {
          if (input.substr(peg$currPos, 2) === peg$c81) {
            s4 = peg$c81;
            peg$currPos += 2;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c82); }
          }
          if (s4 !== peg$FAILED) {
            s5 = [];
            s6 = peg$parse_();
            if (s6 !== peg$FAILED) {
              while (s6 !== peg$FAILED) {
                s5.push(s6);
                s6 = peg$parse_();
              }
            } else {
              s5 = peg$FAILED;
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parseranged_term();
              if (s6 !== peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 93) {
                  s7 = peg$c52;
                  peg$currPos++;
                } else {
                  s7 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c53); }
                }
                if (s7 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c83(s2, s6);
                  s0 = s1;
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 123) {
        s1 = peg$c46;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c47); }
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseranged_term();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$parse_();
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parse_();
          }
          if (s3 !== peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c81) {
              s4 = peg$c81;
              peg$currPos += 2;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c82); }
            }
            if (s4 !== peg$FAILED) {
              s5 = [];
              s6 = peg$parse_();
              if (s6 !== peg$FAILED) {
                while (s6 !== peg$FAILED) {
                  s5.push(s6);
                  s6 = peg$parse_();
                }
              } else {
                s5 = peg$FAILED;
              }
              if (s5 !== peg$FAILED) {
                s6 = peg$parseranged_term();
                if (s6 !== peg$FAILED) {
                  if (input.charCodeAt(peg$currPos) === 125) {
                    s7 = peg$c48;
                    peg$currPos++;
                  } else {
                    s7 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c49); }
                  }
                  if (s7 !== peg$FAILED) {
                    peg$savedPos = s0;
                    s1 = peg$c84(s2, s6);
                    s0 = s1;
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 91) {
          s1 = peg$c50;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c51); }
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseranged_term();
          if (s2 !== peg$FAILED) {
            s3 = [];
            s4 = peg$parse_();
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              s4 = peg$parse_();
            }
            if (s3 !== peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c81) {
                s4 = peg$c81;
                peg$currPos += 2;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c82); }
              }
              if (s4 !== peg$FAILED) {
                s5 = [];
                s6 = peg$parse_();
                if (s6 !== peg$FAILED) {
                  while (s6 !== peg$FAILED) {
                    s5.push(s6);
                    s6 = peg$parse_();
                  }
                } else {
                  s5 = peg$FAILED;
                }
                if (s5 !== peg$FAILED) {
                  s6 = peg$parseranged_term();
                  if (s6 !== peg$FAILED) {
                    if (input.charCodeAt(peg$currPos) === 125) {
                      s7 = peg$c48;
                      peg$currPos++;
                    } else {
                      s7 = peg$FAILED;
                      if (peg$silentFails === 0) { peg$fail(peg$c49); }
                    }
                    if (s7 !== peg$FAILED) {
                      peg$savedPos = s0;
                      s1 = peg$c85(s2, s6);
                      s0 = s1;
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 123) {
            s1 = peg$c46;
            peg$currPos++;
          } else {
            s1 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c47); }
          }
          if (s1 !== peg$FAILED) {
            s2 = peg$parseranged_term();
            if (s2 !== peg$FAILED) {
              s3 = [];
              s4 = peg$parse_();
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                s4 = peg$parse_();
              }
              if (s3 !== peg$FAILED) {
                if (input.substr(peg$currPos, 2) === peg$c81) {
                  s4 = peg$c81;
                  peg$currPos += 2;
                } else {
                  s4 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c82); }
                }
                if (s4 !== peg$FAILED) {
                  s5 = [];
                  s6 = peg$parse_();
                  if (s6 !== peg$FAILED) {
                    while (s6 !== peg$FAILED) {
                      s5.push(s6);
                      s6 = peg$parse_();
                    }
                  } else {
                    s5 = peg$FAILED;
                  }
                  if (s5 !== peg$FAILED) {
                    s6 = peg$parseranged_term();
                    if (s6 !== peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 93) {
                        s7 = peg$c52;
                        peg$currPos++;
                      } else {
                        s7 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$c53); }
                      }
                      if (s7 !== peg$FAILED) {
                        peg$savedPos = s0;
                        s1 = peg$c86(s2, s6);
                        s0 = s1;
                      } else {
                        peg$currPos = s0;
                        s0 = peg$FAILED;
                      }
                    } else {
                      peg$currPos = s0;
                      s0 = peg$FAILED;
                    }
                  } else {
                    peg$currPos = s0;
                    s0 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s0;
                  s0 = peg$FAILED;
                }
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parse_();
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$parse_();
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseoperator();
      if (s2 !== peg$FAILED) {
        s3 = [];
        s4 = peg$parse_();
        if (s4 !== peg$FAILED) {
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$parse_();
          }
        } else {
          s3 = peg$FAILED;
        }
        if (s3 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c87(s2);
          s0 = s1;
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }
    if (s0 === peg$FAILED) {
      s0 = peg$currPos;
      s1 = [];
      s2 = peg$parse_();
      while (s2 !== peg$FAILED) {
        s1.push(s2);
        s2 = peg$parse_();
      }
      if (s1 !== peg$FAILED) {
        s2 = peg$parseoperator();
        if (s2 !== peg$FAILED) {
          s3 = peg$parseEOF();
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c87(s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    }

    return s0;
  }

  function peg$parseoperator() {
    var s0;

    if (input.substr(peg$currPos, 6) === peg$c88) {
      s0 = peg$c88;
      peg$currPos += 6;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c89); }
    }
    if (s0 === peg$FAILED) {
      if (input.substr(peg$currPos, 7) === peg$c90) {
        s0 = peg$c90;
        peg$currPos += 7;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c91); }
      }
      if (s0 === peg$FAILED) {
        if (input.substr(peg$currPos, 2) === peg$c92) {
          s0 = peg$c92;
          peg$currPos += 2;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c93); }
        }
        if (s0 === peg$FAILED) {
          if (input.substr(peg$currPos, 3) === peg$c94) {
            s0 = peg$c94;
            peg$currPos += 3;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c95); }
          }
          if (s0 === peg$FAILED) {
            if (input.substr(peg$currPos, 3) === peg$c96) {
              s0 = peg$c96;
              peg$currPos += 3;
            } else {
              s0 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c97); }
            }
            if (s0 === peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c98) {
                s0 = peg$c98;
                peg$currPos += 2;
              } else {
                s0 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c99); }
              }
              if (s0 === peg$FAILED) {
                if (input.substr(peg$currPos, 2) === peg$c100) {
                  s0 = peg$c100;
                  peg$currPos += 2;
                } else {
                  s0 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c101); }
                }
              }
            }
          }
        }
      }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    s1 = [];
    s2 = peg$parse_();
    while (s2 !== peg$FAILED) {
      s1.push(s2);
      s2 = peg$parse_();
    }
    if (s1 !== peg$FAILED) {
      s2 = peg$parseprefix_operator();
      if (s2 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c87(s2);
        s0 = s1;
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    return s0;
  }

  function peg$parseprefix_operator() {
    var s0;

    if (input.charCodeAt(peg$currPos) === 43) {
      s0 = peg$c40;
      peg$currPos++;
    } else {
      s0 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c41); }
    }
    if (s0 === peg$FAILED) {
      if (input.charCodeAt(peg$currPos) === 45) {
        s0 = peg$c42;
        peg$currPos++;
      } else {
        s0 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c43); }
      }
      if (s0 === peg$FAILED) {
        if (input.charCodeAt(peg$currPos) === 33) {
          s0 = peg$c44;
          peg$currPos++;
        } else {
          s0 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c45); }
        }
      }
    }

    return s0;
  }

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

    peg$silentFails++;
    s0 = [];
    if (peg$c103.test(input.charAt(peg$currPos))) {
      s1 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c104); }
    }
    if (s1 !== peg$FAILED) {
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        if (peg$c103.test(input.charAt(peg$currPos))) {
          s1 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c104); }
        }
      }
    } else {
      s0 = peg$FAILED;
    }
    peg$silentFails--;
    if (s0 === peg$FAILED) {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c102); }
    }

    return s0;
  }

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

    s0 = peg$currPos;
    peg$silentFails++;
    if (input.length > peg$currPos) {
      s1 = input.charAt(peg$currPos);
      peg$currPos++;
    } else {
      s1 = peg$FAILED;
      if (peg$silentFails === 0) { peg$fail(peg$c38); }
    }
    peg$silentFails--;
    if (s1 === peg$FAILED) {
      s0 = void 0;
    } else {
      peg$currPos = s0;
      s0 = peg$FAILED;
    }

    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
};