text: /*
      Copyright (C) 2018 Google Inc.
      Licensed under http://www.apache.org/licenses/LICENSE-2.0 <see LICENSE file>
  */
  
  /*
  DO NOT EDIT - this is an auto generated file.
  
  The file was generated by peg.js from src/parser/parsec.pegjs
  see: src/parser/generate_parser.js
  
  */
  
  export default {
    parse(query) {
      try {
        return this.generated.parse(query);
      } catch (e) {
        // force text search if anything goes wrong
        return this.generated.parse("~" + query);
      }
    },
    joinQueries(left, right, op = 'AND') {
      if (!left.expression.op){
        return right;
      }
      if (!right.expression.op){
        return left;
      }
      let expression = {
        left: left.expression,
        op: {name: op},
        right: right.expression,
      }
      return {
        expression,
      }
    },
    generated: /*
   * Generated by PEG.js 0.10.0.
   *
   * http://pegjs.org/
   */
  (function() {
    "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$c0 = function(or_exp) {
                return {
                  expression: or_exp,
                };
              },
          peg$c1 = function() {
                return {
                  expression: {},
                };
              },
          peg$c2 = peg$anyExpectation(),
          peg$c3 = function() {
                return false;
              },
          peg$c4 = ",",
          peg$c5 = peg$literalExpectation(",", false),
          peg$c6 = function(word, word_list) {
                return [word].concat(word_list);
              },
          peg$c7 = function(word) {
                return [word];
              },
          peg$c8 = function(left, op, right) {
                return {
                  left: left,
                  op: op,
                  right: right,
                };
              },
          peg$c9 = function(left, op, right) {
                return {
                  left:left,
                  op: op,
                  right: right,
                };
              },
          peg$c10 = function(left, op, right) {
                var lleft = left.toLowerCase();
                return {
                  left: lleft,
                  op: op,
                  right: right,
                };
              },
          peg$c11 = "#",
          peg$c12 = peg$literalExpectation("#", false),
          peg$c13 = function(relevant) {
                return {
                  object_name: relevant[0],
                  op: {name: "relevant"},
                  ids: relevant.slice(1),
                };
              },
          peg$c14 = "~",
          peg$c15 = peg$literalExpectation("~", false),
          peg$c16 = function(characters) {
                return {
                  text: characters.join("").trim(),
                  op: {name:'text_search'},
                };
              },
          peg$c17 = "!~",
          peg$c18 = peg$literalExpectation("!~", false),
          peg$c19 = function(characters) {
                return {
                  text: characters.join("").trim(),
                  op: {name: 'exclude_text_search'},
                };
              },
          peg$c20 = function(or_exp) {
                return or_exp;
              },
          peg$c21 = "in",
          peg$c22 = peg$literalExpectation("IN", true),
          peg$c23 = function(left, right) {
                return {
                  left: left,
                  op: {name: "IN"},
                  right: right,
                }
              },
          peg$c24 = function(word) {
                return word.join('');
              },
          peg$c25 = "\"",
          peg$c26 = peg$literalExpectation("\"", false),
          peg$c27 = /^[a-zA-Z0-9_\-.\/%]/,
          peg$c28 = peg$classExpectation([["a", "z"], ["A", "Z"], ["0", "9"], "_", "-", ".", "/", "%"], false, false),
          peg$c29 = /^[^"]/,
          peg$c30 = peg$classExpectation(["\""], true, false),
          peg$c31 = "\\",
          peg$c32 = peg$literalExpectation("\\", false),
          peg$c33 = function(escape, symbol) {
                return escape + symbol;
              },
          peg$c34 = "and",
          peg$c35 = peg$literalExpectation("AND", true),
          peg$c36 = function() {
                return {
                  name: 'AND',
                };
              },
          peg$c37 = "&&",
          peg$c38 = peg$literalExpectation("&&", false),
          peg$c39 = "or",
          peg$c40 = peg$literalExpectation("OR", true),
          peg$c41 = function() {
                return {
                  name: 'OR',
                };
              },
          peg$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$c56 = function(op) {
                return {
                  name: op,
                };
              },
          peg$c57 = "is",
          peg$c58 = peg$literalExpectation("is", false),
          peg$c59 = "(",
          peg$c60 = peg$literalExpectation("(", false),
          peg$c61 = ")",
          peg$c62 = peg$literalExpectation(")", false),
          peg$c63 = /^[ \t\r\n\f]/,
          peg$c64 = 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, s4;
  
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parse_();
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parse_();
        }
        if (s1 !== peg$FAILED) {
          s2 = peg$parseor_exp();
          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$c0(s2);
              s0 = s1;
            } else {
              peg$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$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c1();
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            s1 = [];
            if (input.length > peg$currPos) {
              s2 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c2); }
            }
            while (s2 !== peg$FAILED) {
              s1.push(s2);
              if (input.length > peg$currPos) {
                s2 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s2 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c2); }
              }
            }
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c3();
            }
            s0 = s1;
          }
        }
  
        return s0;
      }
  
      function peg$parseword_list() {
        var s0, s1, s2, s3, s4, s5;
  
        s0 = peg$currPos;
        s1 = peg$parseword();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parse_();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parse_();
          }
          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 44) {
              s3 = peg$c4;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c5); }
            }
            if (s3 !== peg$FAILED) {
              s4 = [];
              s5 = peg$parse_();
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$parse_();
              }
              if (s4 !== peg$FAILED) {
                s5 = peg$parseword_list();
                if (s5 !== peg$FAILED) {
                  peg$savedPos = s0;
                  s1 = peg$c6(s1, s5);
                  s0 = s1;
                } else {
                  peg$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$currPos;
          s1 = peg$parseword();
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c7(s1);
          }
          s0 = s1;
        }
  
        return s0;
      }
  
      function peg$parseor_exp() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        s1 = peg$parseand_exp();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseOR();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseor_exp();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c8(s1, s2, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parseand_exp();
        }
  
        return s0;
      }
  
      function peg$parseand_exp() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        s1 = peg$parsesimple_exp();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseAND();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseand_exp();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c9(s1, s2, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parsesimple_exp();
        }
  
        return s0;
      }
  
      function peg$parsesimple_exp() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        s1 = peg$parseword();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseOP();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseword();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c10(s1, s2, s3);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
        if (s0 === peg$FAILED) {
          s0 = peg$parserelevant_exp();
          if (s0 === peg$FAILED) {
            s0 = peg$parseparen_exp();
            if (s0 === peg$FAILED) {
              s0 = peg$parsetext_exp();
              if (s0 === peg$FAILED) {
                s0 = peg$parsein_exp();
              }
            }
          }
        }
  
        return s0;
      }
  
      function peg$parserelevant_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$FAILED) {
          if (input.charCodeAt(peg$currPos) === 35) {
            s2 = peg$c11;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c12); }
          }
          if (s2 !== peg$FAILED) {
            s3 = peg$parseword_list();
            if (s3 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 35) {
                s4 = peg$c11;
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c12); }
              }
              if (s4 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c13(s3);
                s0 = s1;
              } else {
                peg$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;
        }
  
        return s0;
      }
  
      function peg$parsetext_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$FAILED) {
          if (input.charCodeAt(peg$currPos) === 126) {
            s2 = peg$c14;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c15); }
          }
          if (s2 !== peg$FAILED) {
            s3 = [];
            if (input.length > peg$currPos) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c2); }
            }
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              if (input.length > peg$currPos) {
                s4 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c2); }
              }
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c16(s3);
              s0 = s1;
            } else {
              peg$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$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c17) {
              s2 = peg$c17;
              peg$currPos += 2;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c18); }
            }
            if (s2 !== peg$FAILED) {
              s3 = [];
              if (input.length > peg$currPos) {
                s4 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c2); }
              }
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                if (input.length > peg$currPos) {
                  s4 = input.charAt(peg$currPos);
                  peg$currPos++;
                } else {
                  s4 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c2); }
                }
              }
              if (s3 !== peg$FAILED) {
                peg$savedPos = s0;
                s1 = peg$c19(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$parseparen_exp() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        s1 = peg$parseLEFT_P();
        if (s1 !== peg$FAILED) {
          s2 = peg$parseor_exp();
          if (s2 !== peg$FAILED) {
            s3 = peg$parseRIGHT_P();
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c20(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
  
        return s0;
      }
  
      function peg$parsein_exp() {
        var s0, s1, s2, s3, s4, s5, s6, s7;
  
        s0 = peg$currPos;
        s1 = peg$parseword();
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parse_();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parse_();
          }
          if (s2 !== peg$FAILED) {
            if (input.substr(peg$currPos, 2).toLowerCase() === peg$c21) {
              s3 = input.substr(peg$currPos, 2);
              peg$currPos += 2;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c22); }
            }
            if (s3 !== peg$FAILED) {
              s4 = [];
              s5 = peg$parse_();
              while (s5 !== peg$FAILED) {
                s4.push(s5);
                s5 = peg$parse_();
              }
              if (s4 !== peg$FAILED) {
                s5 = peg$parseLEFT_P();
                if (s5 !== peg$FAILED) {
                  s6 = peg$parseword_list();
                  if (s6 !== peg$FAILED) {
                    s7 = peg$parseRIGHT_P();
                    if (s7 !== peg$FAILED) {
                      peg$savedPos = s0;
                      s1 = peg$c23(s1, 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$parseword() {
        var s0;
  
        s0 = peg$parseunquoted_word();
        if (s0 === peg$FAILED) {
          s0 = peg$parsequoted_word();
        }
  
        return s0;
      }
  
      function peg$parseunquoted_word() {
        var s0, s1, s2;
  
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parseunqoted_char();
        if (s2 !== peg$FAILED) {
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parseunqoted_char();
          }
        } else {
          s1 = peg$FAILED;
        }
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c24(s1);
        }
        s0 = s1;
  
        return s0;
      }
  
      function peg$parsequoted_word() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 34) {
          s1 = peg$c25;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c26); }
        }
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parsequoted_char();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parsequoted_char();
          }
          if (s2 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 34) {
              s3 = peg$c25;
              peg$currPos++;
            } else {
              s3 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c26); }
            }
            if (s3 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c24(s2);
              s0 = s1;
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
  
        return s0;
      }
  
      function peg$parseunqoted_char() {
        var s0;
  
        s0 = peg$parseescaped_symbol();
        if (s0 === peg$FAILED) {
          if (peg$c27.test(input.charAt(peg$currPos))) {
            s0 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c28); }
          }
        }
  
        return s0;
      }
  
      function peg$parsequoted_char() {
        var s0;
  
        s0 = peg$parseescaped_symbol();
        if (s0 === peg$FAILED) {
          if (peg$c29.test(input.charAt(peg$currPos))) {
            s0 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s0 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c30); }
          }
        }
  
        return s0;
      }
  
      function peg$parseescaped_symbol() {
        var s0, s1, s2;
  
        s0 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 92) {
          s1 = peg$c31;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c32); }
        }
        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$fail(peg$c2); }
          }
          if (s2 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c33(s1, s2);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
  
        return s0;
      }
  
      function peg$parseAND() {
        var s0, s1, s2, s3, s4;
  
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parse_();
        if (s2 !== peg$FAILED) {
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parse_();
          }
        } else {
          s1 = peg$FAILED;
        }
        if (s1 !== peg$FAILED) {
          if (input.substr(peg$currPos, 3).toLowerCase() === peg$c34) {
            s2 = input.substr(peg$currPos, 3);
            peg$currPos += 3;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c35); }
          }
          if (s2 !== peg$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$savedPos = s0;
              s1 = peg$c36();
              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) {
            if (input.substr(peg$currPos, 2) === peg$c37) {
              s2 = peg$c37;
              peg$currPos += 2;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c38); }
            }
            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$c36();
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        }
  
        return s0;
      }
  
      function peg$parseOR() {
        var s0, s1, s2, s3, s4;
  
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parse_();
        if (s2 !== peg$FAILED) {
          while (s2 !== peg$FAILED) {
            s1.push(s2);
            s2 = peg$parse_();
          }
        } else {
          s1 = peg$FAILED;
        }
        if (s1 !== peg$FAILED) {
          if (input.substr(peg$currPos, 2).toLowerCase() === peg$c39) {
            s2 = input.substr(peg$currPos, 2);
            peg$currPos += 2;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c40); }
          }
          if (s2 !== peg$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$savedPos = s0;
              s1 = peg$c41();
              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) {
            if (input.substr(peg$currPos, 2) === peg$c42) {
              s2 = peg$c42;
              peg$currPos += 2;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c43); }
            }
            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$c41();
                s0 = s1;
              } else {
                peg$currPos = s0;
                s0 = peg$FAILED;
              }
            } else {
              peg$currPos = s0;
              s0 = peg$FAILED;
            }
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        }
  
        return s0;
      }
  
      function peg$parseOP() {
        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$FAILED) {
          if (input.charCodeAt(peg$currPos) === 61) {
            s2 = peg$c44;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c45); }
          }
          if (s2 === peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c46) {
              s2 = peg$c46;
              peg$currPos += 2;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c47); }
            }
            if (s2 === peg$FAILED) {
              if (input.substr(peg$currPos, 2) === peg$c48) {
                s2 = peg$c48;
                peg$currPos += 2;
              } else {
                s2 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c49); }
              }
              if (s2 === peg$FAILED) {
                if (input.charCodeAt(peg$currPos) === 60) {
                  s2 = peg$c50;
                  peg$currPos++;
                } else {
                  s2 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c51); }
                }
                if (s2 === peg$FAILED) {
                  if (input.substr(peg$currPos, 2) === peg$c52) {
                    s2 = peg$c52;
                    peg$currPos += 2;
                  } else {
                    s2 = peg$FAILED;
                    if (peg$silentFails === 0) { peg$fail(peg$c53); }
                  }
                  if (s2 === peg$FAILED) {
                    if (input.charCodeAt(peg$currPos) === 62) {
                      s2 = peg$c54;
                      peg$currPos++;
                    } else {
                      s2 = peg$FAILED;
                      if (peg$silentFails === 0) { peg$fail(peg$c55); }
                    }
                    if (s2 === peg$FAILED) {
                      if (input.charCodeAt(peg$currPos) === 126) {
                        s2 = peg$c14;
                        peg$currPos++;
                      } else {
                        s2 = peg$FAILED;
                        if (peg$silentFails === 0) { peg$fail(peg$c15); }
                      }
                      if (s2 === peg$FAILED) {
                        if (input.substr(peg$currPos, 2) === peg$c17) {
                          s2 = peg$c17;
                          peg$currPos += 2;
                        } else {
                          s2 = peg$FAILED;
                          if (peg$silentFails === 0) { peg$fail(peg$c18); }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
          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$c56(s2);
              s0 = s1;
            } else {
              peg$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_();
          if (s2 !== peg$FAILED) {
            while (s2 !== peg$FAILED) {
              s1.push(s2);
              s2 = peg$parse_();
            }
          } else {
            s1 = peg$FAILED;
          }
          if (s1 !== peg$FAILED) {
            if (input.substr(peg$currPos, 2) === peg$c57) {
              s2 = peg$c57;
              peg$currPos += 2;
            } else {
              s2 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c58); }
            }
            if (s2 !== peg$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$savedPos = s0;
                s1 = peg$c56(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$parseLEFT_P() {
        var s0, s1, s2, s3;
  
        s0 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 40) {
          s1 = peg$c59;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c60); }
        }
        if (s1 !== peg$FAILED) {
          s2 = [];
          s3 = peg$parse_();
          while (s3 !== peg$FAILED) {
            s2.push(s3);
            s3 = peg$parse_();
          }
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
  
        return s0;
      }
  
      function peg$parseRIGHT_P() {
        var s0, s1, s2;
  
        s0 = peg$currPos;
        s1 = [];
        s2 = peg$parse_();
        while (s2 !== peg$FAILED) {
          s1.push(s2);
          s2 = peg$parse_();
        }
        if (s1 !== peg$FAILED) {
          if (input.charCodeAt(peg$currPos) === 41) {
            s2 = peg$c61;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c62); }
          }
          if (s2 !== peg$FAILED) {
            s1 = [s1, s2];
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
  
        return s0;
      }
  
      function peg$parse_() {
        var s0, s1;
  
        s0 = [];
        if (peg$c63.test(input.charAt(peg$currPos))) {
          s1 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c64); }
        }
        if (s1 !== peg$FAILED) {
          while (s1 !== peg$FAILED) {
            s0.push(s1);
            if (peg$c63.test(input.charAt(peg$currPos))) {
              s1 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c64); }
            }
          }
        } else {
          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)
        );
      }
    }
  
    return {
      SyntaxError: peg$SyntaxError,
      parse:       peg$parse
    };
  })()
  };
  