tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 0 insertions, 2595 deletions

diff --git a/tools/eslint/node_modules/esquery/parser.js b/tools/eslint/node_modules/esquery/parser.js
deleted file mode 100644
index 2ce8134592..0000000000
--- a/tools/eslint/node_modules/esquery/parser.js
+++ /dev/null
@@ -1,2595 +0,0 @@
-var result = (function(){
-  /*
-   * Generated by PEG.js 0.7.0.
-   *
-   * http://pegjs.majda.cz/
-   */
-  
-  function quote(s) {
-    /*
-     * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
-     * string literal except for the closing quote character, backslash,
-     * carriage return, line separator, paragraph separator, and line feed.
-     * Any character may appear in the form of an escape sequence.
-     *
-     * For portability, we also escape escape all control and non-ASCII
-     * characters. Note that "\0" and "\v" escape sequences are not used
-     * because JSHint does not like the first and IE the second.
-     */
-     return '"' + s
-      .replace(/\\/g, '\\\\')  // backslash
-      .replace(/"/g, '\\"')    // closing quote character
-      .replace(/\x08/g, '\\b') // backspace
-      .replace(/\t/g, '\\t')   // horizontal tab
-      .replace(/\n/g, '\\n')   // line feed
-      .replace(/\f/g, '\\f')   // form feed
-      .replace(/\r/g, '\\r')   // carriage return
-      .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
-      + '"';
-  }
-  
-  var result = {
-    /*
-     * Parses the input with a generated parser. If the parsing is successfull,
-     * returns a value explicitly or implicitly specified by the grammar from
-     * which the parser was generated (see |PEG.buildParser|). If the parsing is
-     * unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
-     */
-    parse: function(input, startRule) {
-      var parseFunctions = {
-        "start": parse_start,
-        "_": parse__,
-        "identifierName": parse_identifierName,
-        "binaryOp": parse_binaryOp,
-        "selectors": parse_selectors,
-        "selector": parse_selector,
-        "sequence": parse_sequence,
-        "atom": parse_atom,
-        "wildcard": parse_wildcard,
-        "identifier": parse_identifier,
-        "attr": parse_attr,
-        "attrOps": parse_attrOps,
-        "attrEqOps": parse_attrEqOps,
-        "attrName": parse_attrName,
-        "attrValue": parse_attrValue,
-        "string": parse_string,
-        "number": parse_number,
-        "path": parse_path,
-        "type": parse_type,
-        "regex": parse_regex,
-        "field": parse_field,
-        "negation": parse_negation,
-        "matches": parse_matches,
-        "firstChild": parse_firstChild,
-        "lastChild": parse_lastChild,
-        "nthChild": parse_nthChild,
-        "nthLastChild": parse_nthLastChild,
-        "class": parse_class
-      };
-      
-      if (startRule !== undefined) {
-        if (parseFunctions[startRule] === undefined) {
-          throw new Error("Invalid rule name: " + quote(startRule) + ".");
-        }
-      } else {
-        startRule = "start";
-      }
-      
-      var pos = 0;
-      var reportFailures = 0;
-      var rightmostFailuresPos = 0;
-      var rightmostFailuresExpected = [];
-      var cache = {};
-      
-      function padLeft(input, padding, length) {
-        var result = input;
-        
-        var padLength = length - input.length;
-        for (var i = 0; i < padLength; i++) {
-          result = padding + result;
-        }
-        
-        return result;
-      }
-      
-      function escape(ch) {
-        var charCode = ch.charCodeAt(0);
-        var escapeChar;
-        var length;
-        
-        if (charCode <= 0xFF) {
-          escapeChar = 'x';
-          length = 2;
-        } else {
-          escapeChar = 'u';
-          length = 4;
-        }
-        
-        return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
-      }
-      
-      function matchFailed(failure) {
-        if (pos < rightmostFailuresPos) {
-          return;
-        }
-        
-        if (pos > rightmostFailuresPos) {
-          rightmostFailuresPos = pos;
-          rightmostFailuresExpected = [];
-        }
-        
-        rightmostFailuresExpected.push(failure);
-      }
-      
-      function parse_start() {
-        var cacheKey = "start@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        result0 = parse__();
-        if (result0 !== null) {
-          result1 = parse_selectors();
-          if (result1 !== null) {
-            result2 = parse__();
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, ss) { return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss }; })(pos0, result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        if (result0 === null) {
-          pos0 = pos;
-          result0 = parse__();
-          if (result0 !== null) {
-            result0 = (function(offset) { return void 0; })(pos0);
-          }
-          if (result0 === null) {
-            pos = pos0;
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse__() {
-        var cacheKey = "_@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        
-        result0 = [];
-        if (input.charCodeAt(pos) === 32) {
-          result1 = " ";
-          pos++;
-        } else {
-          result1 = null;
-          if (reportFailures === 0) {
-            matchFailed("\" \"");
-          }
-        }
-        while (result1 !== null) {
-          result0.push(result1);
-          if (input.charCodeAt(pos) === 32) {
-            result1 = " ";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\" \"");
-            }
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_identifierName() {
-        var cacheKey = "identifierName@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0;
-        
-        pos0 = pos;
-        if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) {
-          result1 = input.charAt(pos);
-          pos++;
-        } else {
-          result1 = null;
-          if (reportFailures === 0) {
-            matchFailed("[^ [\\],():#!=><~+.]");
-          }
-        }
-        if (result1 !== null) {
-          result0 = [];
-          while (result1 !== null) {
-            result0.push(result1);
-            if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) {
-              result1 = input.charAt(pos);
-              pos++;
-            } else {
-              result1 = null;
-              if (reportFailures === 0) {
-                matchFailed("[^ [\\],():#!=><~+.]");
-              }
-            }
-          }
-        } else {
-          result0 = null;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, i) { return i.join(''); })(pos0, result0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_binaryOp() {
-        var cacheKey = "binaryOp@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        result0 = parse__();
-        if (result0 !== null) {
-          if (input.charCodeAt(pos) === 62) {
-            result1 = ">";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\">\"");
-            }
-          }
-          if (result1 !== null) {
-            result2 = parse__();
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset) { return 'child'; })(pos0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        if (result0 === null) {
-          pos0 = pos;
-          pos1 = pos;
-          result0 = parse__();
-          if (result0 !== null) {
-            if (input.charCodeAt(pos) === 126) {
-              result1 = "~";
-              pos++;
-            } else {
-              result1 = null;
-              if (reportFailures === 0) {
-                matchFailed("\"~\"");
-              }
-            }
-            if (result1 !== null) {
-              result2 = parse__();
-              if (result2 !== null) {
-                result0 = [result0, result1, result2];
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-          if (result0 !== null) {
-            result0 = (function(offset) { return 'sibling'; })(pos0);
-          }
-          if (result0 === null) {
-            pos = pos0;
-          }
-          if (result0 === null) {
-            pos0 = pos;
-            pos1 = pos;
-            result0 = parse__();
-            if (result0 !== null) {
-              if (input.charCodeAt(pos) === 43) {
-                result1 = "+";
-                pos++;
-              } else {
-                result1 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\"+\"");
-                }
-              }
-              if (result1 !== null) {
-                result2 = parse__();
-                if (result2 !== null) {
-                  result0 = [result0, result1, result2];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-            if (result0 !== null) {
-              result0 = (function(offset) { return 'adjacent'; })(pos0);
-            }
-            if (result0 === null) {
-              pos = pos0;
-            }
-            if (result0 === null) {
-              pos0 = pos;
-              pos1 = pos;
-              if (input.charCodeAt(pos) === 32) {
-                result0 = " ";
-                pos++;
-              } else {
-                result0 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\" \"");
-                }
-              }
-              if (result0 !== null) {
-                result1 = parse__();
-                if (result1 !== null) {
-                  result0 = [result0, result1];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-              if (result0 !== null) {
-                result0 = (function(offset) { return 'descendant'; })(pos0);
-              }
-              if (result0 === null) {
-                pos = pos0;
-              }
-            }
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_selectors() {
-        var cacheKey = "selectors@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4, result5;
-        var pos0, pos1, pos2;
-        
-        pos0 = pos;
-        pos1 = pos;
-        result0 = parse_selector();
-        if (result0 !== null) {
-          result1 = [];
-          pos2 = pos;
-          result2 = parse__();
-          if (result2 !== null) {
-            if (input.charCodeAt(pos) === 44) {
-              result3 = ",";
-              pos++;
-            } else {
-              result3 = null;
-              if (reportFailures === 0) {
-                matchFailed("\",\"");
-              }
-            }
-            if (result3 !== null) {
-              result4 = parse__();
-              if (result4 !== null) {
-                result5 = parse_selector();
-                if (result5 !== null) {
-                  result2 = [result2, result3, result4, result5];
-                } else {
-                  result2 = null;
-                  pos = pos2;
-                }
-              } else {
-                result2 = null;
-                pos = pos2;
-              }
-            } else {
-              result2 = null;
-              pos = pos2;
-            }
-          } else {
-            result2 = null;
-            pos = pos2;
-          }
-          while (result2 !== null) {
-            result1.push(result2);
-            pos2 = pos;
-            result2 = parse__();
-            if (result2 !== null) {
-              if (input.charCodeAt(pos) === 44) {
-                result3 = ",";
-                pos++;
-              } else {
-                result3 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\",\"");
-                }
-              }
-              if (result3 !== null) {
-                result4 = parse__();
-                if (result4 !== null) {
-                  result5 = parse_selector();
-                  if (result5 !== null) {
-                    result2 = [result2, result3, result4, result5];
-                  } else {
-                    result2 = null;
-                    pos = pos2;
-                  }
-                } else {
-                  result2 = null;
-                  pos = pos2;
-                }
-              } else {
-                result2 = null;
-                pos = pos2;
-              }
-            } else {
-              result2 = null;
-              pos = pos2;
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, s, ss) {
-          return [s].concat(ss.map(function (s) { return s[3]; }));
-        })(pos0, result0[0], result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_selector() {
-        var cacheKey = "selector@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3;
-        var pos0, pos1, pos2;
-        
-        pos0 = pos;
-        pos1 = pos;
-        result0 = parse_sequence();
-        if (result0 !== null) {
-          result1 = [];
-          pos2 = pos;
-          result2 = parse_binaryOp();
-          if (result2 !== null) {
-            result3 = parse_sequence();
-            if (result3 !== null) {
-              result2 = [result2, result3];
-            } else {
-              result2 = null;
-              pos = pos2;
-            }
-          } else {
-            result2 = null;
-            pos = pos2;
-          }
-          while (result2 !== null) {
-            result1.push(result2);
-            pos2 = pos;
-            result2 = parse_binaryOp();
-            if (result2 !== null) {
-              result3 = parse_sequence();
-              if (result3 !== null) {
-                result2 = [result2, result3];
-              } else {
-                result2 = null;
-                pos = pos2;
-              }
-            } else {
-              result2 = null;
-              pos = pos2;
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, a, ops) {
-            return ops.reduce(function (memo, rhs) {
-              return { type: rhs[0], left: memo, right: rhs[1] };
-            }, a);
-          })(pos0, result0[0], result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_sequence() {
-        var cacheKey = "sequence@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 33) {
-          result0 = "!";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"!\"");
-          }
-        }
-        result0 = result0 !== null ? result0 : "";
-        if (result0 !== null) {
-          result2 = parse_atom();
-          if (result2 !== null) {
-            result1 = [];
-            while (result2 !== null) {
-              result1.push(result2);
-              result2 = parse_atom();
-            }
-          } else {
-            result1 = null;
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, subject, as) {
-            var b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };
-            if(subject) b.subject = true;
-            return b;
-          })(pos0, result0[0], result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_atom() {
-        var cacheKey = "atom@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0;
-        
-        result0 = parse_wildcard();
-        if (result0 === null) {
-          result0 = parse_identifier();
-          if (result0 === null) {
-            result0 = parse_attr();
-            if (result0 === null) {
-              result0 = parse_field();
-              if (result0 === null) {
-                result0 = parse_negation();
-                if (result0 === null) {
-                  result0 = parse_matches();
-                  if (result0 === null) {
-                    result0 = parse_firstChild();
-                    if (result0 === null) {
-                      result0 = parse_lastChild();
-                      if (result0 === null) {
-                        result0 = parse_nthChild();
-                        if (result0 === null) {
-                          result0 = parse_nthLastChild();
-                          if (result0 === null) {
-                            result0 = parse_class();
-                          }
-                        }
-                      }
-                    }
-                  }
-                }
-              }
-            }
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_wildcard() {
-        var cacheKey = "wildcard@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0;
-        var pos0;
-        
-        pos0 = pos;
-        if (input.charCodeAt(pos) === 42) {
-          result0 = "*";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"*\"");
-          }
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, a) { return { type: 'wildcard', value: a }; })(pos0, result0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_identifier() {
-        var cacheKey = "identifier@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 35) {
-          result0 = "#";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"#\"");
-          }
-        }
-        result0 = result0 !== null ? result0 : "";
-        if (result0 !== null) {
-          result1 = parse_identifierName();
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, i) { return { type: 'identifier', value: i }; })(pos0, result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_attr() {
-        var cacheKey = "attr@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 91) {
-          result0 = "[";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"[\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            result2 = parse_attrValue();
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 93) {
-                  result4 = "]";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\"]\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, v) { return v; })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_attrOps() {
-        var cacheKey = "attrOps@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (/^[><!]/.test(input.charAt(pos))) {
-          result0 = input.charAt(pos);
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("[><!]");
-          }
-        }
-        result0 = result0 !== null ? result0 : "";
-        if (result0 !== null) {
-          if (input.charCodeAt(pos) === 61) {
-            result1 = "=";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\"=\"");
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        if (result0 === null) {
-          if (/^[><]/.test(input.charAt(pos))) {
-            result0 = input.charAt(pos);
-            pos++;
-          } else {
-            result0 = null;
-            if (reportFailures === 0) {
-              matchFailed("[><]");
-            }
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_attrEqOps() {
-        var cacheKey = "attrEqOps@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 33) {
-          result0 = "!";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"!\"");
-          }
-        }
-        result0 = result0 !== null ? result0 : "";
-        if (result0 !== null) {
-          if (input.charCodeAt(pos) === 61) {
-            result1 = "=";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\"=\"");
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_attrName() {
-        var cacheKey = "attrName@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0;
-        
-        pos0 = pos;
-        result1 = parse_identifierName();
-        if (result1 === null) {
-          if (input.charCodeAt(pos) === 46) {
-            result1 = ".";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\".\"");
-            }
-          }
-        }
-        if (result1 !== null) {
-          result0 = [];
-          while (result1 !== null) {
-            result0.push(result1);
-            result1 = parse_identifierName();
-            if (result1 === null) {
-              if (input.charCodeAt(pos) === 46) {
-                result1 = ".";
-                pos++;
-              } else {
-                result1 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\".\"");
-                }
-              }
-            }
-          }
-        } else {
-          result0 = null;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, i) { return i.join(''); })(pos0, result0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_attrValue() {
-        var cacheKey = "attrValue@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        result0 = parse_attrName();
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            result2 = parse_attrEqOps();
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                result4 = parse_type();
-                if (result4 === null) {
-                  result4 = parse_regex();
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, name, op, value) {
-              return { type: 'attribute', name: name, operator: op, value: value };
-            })(pos0, result0[0], result0[2], result0[4]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        if (result0 === null) {
-          pos0 = pos;
-          pos1 = pos;
-          result0 = parse_attrName();
-          if (result0 !== null) {
-            result1 = parse__();
-            if (result1 !== null) {
-              result2 = parse_attrOps();
-              if (result2 !== null) {
-                result3 = parse__();
-                if (result3 !== null) {
-                  result4 = parse_string();
-                  if (result4 === null) {
-                    result4 = parse_number();
-                    if (result4 === null) {
-                      result4 = parse_path();
-                    }
-                  }
-                  if (result4 !== null) {
-                    result0 = [result0, result1, result2, result3, result4];
-                  } else {
-                    result0 = null;
-                    pos = pos1;
-                  }
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-          if (result0 !== null) {
-            result0 = (function(offset, name, op, value) {
-                return { type: 'attribute', name: name, operator: op, value: value };
-              })(pos0, result0[0], result0[2], result0[4]);
-          }
-          if (result0 === null) {
-            pos = pos0;
-          }
-          if (result0 === null) {
-            pos0 = pos;
-            result0 = parse_attrName();
-            if (result0 !== null) {
-              result0 = (function(offset, name) { return { type: 'attribute', name: name }; })(pos0, result0);
-            }
-            if (result0 === null) {
-              pos = pos0;
-            }
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_string() {
-        var cacheKey = "string@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3;
-        var pos0, pos1, pos2, pos3;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 34) {
-          result0 = "\"";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"\\\"\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = [];
-          if (/^[^\\"]/.test(input.charAt(pos))) {
-            result2 = input.charAt(pos);
-            pos++;
-          } else {
-            result2 = null;
-            if (reportFailures === 0) {
-              matchFailed("[^\\\\\"]");
-            }
-          }
-          if (result2 === null) {
-            pos2 = pos;
-            pos3 = pos;
-            if (input.charCodeAt(pos) === 92) {
-              result2 = "\\";
-              pos++;
-            } else {
-              result2 = null;
-              if (reportFailures === 0) {
-                matchFailed("\"\\\\\"");
-              }
-            }
-            if (result2 !== null) {
-              if (input.length > pos) {
-                result3 = input.charAt(pos);
-                pos++;
-              } else {
-                result3 = null;
-                if (reportFailures === 0) {
-                  matchFailed("any character");
-                }
-              }
-              if (result3 !== null) {
-                result2 = [result2, result3];
-              } else {
-                result2 = null;
-                pos = pos3;
-              }
-            } else {
-              result2 = null;
-              pos = pos3;
-            }
-            if (result2 !== null) {
-              result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
-            }
-            if (result2 === null) {
-              pos = pos2;
-            }
-          }
-          while (result2 !== null) {
-            result1.push(result2);
-            if (/^[^\\"]/.test(input.charAt(pos))) {
-              result2 = input.charAt(pos);
-              pos++;
-            } else {
-              result2 = null;
-              if (reportFailures === 0) {
-                matchFailed("[^\\\\\"]");
-              }
-            }
-            if (result2 === null) {
-              pos2 = pos;
-              pos3 = pos;
-              if (input.charCodeAt(pos) === 92) {
-                result2 = "\\";
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\"\\\\\"");
-                }
-              }
-              if (result2 !== null) {
-                if (input.length > pos) {
-                  result3 = input.charAt(pos);
-                  pos++;
-                } else {
-                  result3 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("any character");
-                  }
-                }
-                if (result3 !== null) {
-                  result2 = [result2, result3];
-                } else {
-                  result2 = null;
-                  pos = pos3;
-                }
-              } else {
-                result2 = null;
-                pos = pos3;
-              }
-              if (result2 !== null) {
-                result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
-              }
-              if (result2 === null) {
-                pos = pos2;
-              }
-            }
-          }
-          if (result1 !== null) {
-            if (input.charCodeAt(pos) === 34) {
-              result2 = "\"";
-              pos++;
-            } else {
-              result2 = null;
-              if (reportFailures === 0) {
-                matchFailed("\"\\\"\"");
-              }
-            }
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, d) {
-                return { type: 'literal', value: strUnescape(d.join('')) };
-              })(pos0, result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        if (result0 === null) {
-          pos0 = pos;
-          pos1 = pos;
-          if (input.charCodeAt(pos) === 39) {
-            result0 = "'";
-            pos++;
-          } else {
-            result0 = null;
-            if (reportFailures === 0) {
-              matchFailed("\"'\"");
-            }
-          }
-          if (result0 !== null) {
-            result1 = [];
-            if (/^[^\\']/.test(input.charAt(pos))) {
-              result2 = input.charAt(pos);
-              pos++;
-            } else {
-              result2 = null;
-              if (reportFailures === 0) {
-                matchFailed("[^\\\\']");
-              }
-            }
-            if (result2 === null) {
-              pos2 = pos;
-              pos3 = pos;
-              if (input.charCodeAt(pos) === 92) {
-                result2 = "\\";
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\"\\\\\"");
-                }
-              }
-              if (result2 !== null) {
-                if (input.length > pos) {
-                  result3 = input.charAt(pos);
-                  pos++;
-                } else {
-                  result3 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("any character");
-                  }
-                }
-                if (result3 !== null) {
-                  result2 = [result2, result3];
-                } else {
-                  result2 = null;
-                  pos = pos3;
-                }
-              } else {
-                result2 = null;
-                pos = pos3;
-              }
-              if (result2 !== null) {
-                result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
-              }
-              if (result2 === null) {
-                pos = pos2;
-              }
-            }
-            while (result2 !== null) {
-              result1.push(result2);
-              if (/^[^\\']/.test(input.charAt(pos))) {
-                result2 = input.charAt(pos);
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("[^\\\\']");
-                }
-              }
-              if (result2 === null) {
-                pos2 = pos;
-                pos3 = pos;
-                if (input.charCodeAt(pos) === 92) {
-                  result2 = "\\";
-                  pos++;
-                } else {
-                  result2 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\"\\\\\"");
-                  }
-                }
-                if (result2 !== null) {
-                  if (input.length > pos) {
-                    result3 = input.charAt(pos);
-                    pos++;
-                  } else {
-                    result3 = null;
-                    if (reportFailures === 0) {
-                      matchFailed("any character");
-                    }
-                  }
-                  if (result3 !== null) {
-                    result2 = [result2, result3];
-                  } else {
-                    result2 = null;
-                    pos = pos3;
-                  }
-                } else {
-                  result2 = null;
-                  pos = pos3;
-                }
-                if (result2 !== null) {
-                  result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
-                }
-                if (result2 === null) {
-                  pos = pos2;
-                }
-              }
-            }
-            if (result1 !== null) {
-              if (input.charCodeAt(pos) === 39) {
-                result2 = "'";
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\"'\"");
-                }
-              }
-              if (result2 !== null) {
-                result0 = [result0, result1, result2];
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-          if (result0 !== null) {
-            result0 = (function(offset, d) {
-                  return { type: 'literal', value: strUnescape(d.join('')) };
-                })(pos0, result0[1]);
-          }
-          if (result0 === null) {
-            pos = pos0;
-          }
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_number() {
-        var cacheKey = "number@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2;
-        var pos0, pos1, pos2;
-        
-        pos0 = pos;
-        pos1 = pos;
-        pos2 = pos;
-        result0 = [];
-        if (/^[0-9]/.test(input.charAt(pos))) {
-          result1 = input.charAt(pos);
-          pos++;
-        } else {
-          result1 = null;
-          if (reportFailures === 0) {
-            matchFailed("[0-9]");
-          }
-        }
-        while (result1 !== null) {
-          result0.push(result1);
-          if (/^[0-9]/.test(input.charAt(pos))) {
-            result1 = input.charAt(pos);
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("[0-9]");
-            }
-          }
-        }
-        if (result0 !== null) {
-          if (input.charCodeAt(pos) === 46) {
-            result1 = ".";
-            pos++;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\".\"");
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos2;
-          }
-        } else {
-          result0 = null;
-          pos = pos2;
-        }
-        result0 = result0 !== null ? result0 : "";
-        if (result0 !== null) {
-          if (/^[0-9]/.test(input.charAt(pos))) {
-            result2 = input.charAt(pos);
-            pos++;
-          } else {
-            result2 = null;
-            if (reportFailures === 0) {
-              matchFailed("[0-9]");
-            }
-          }
-          if (result2 !== null) {
-            result1 = [];
-            while (result2 !== null) {
-              result1.push(result2);
-              if (/^[0-9]/.test(input.charAt(pos))) {
-                result2 = input.charAt(pos);
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("[0-9]");
-                }
-              }
-            }
-          } else {
-            result1 = null;
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, a, b) {
-                return { type: 'literal', value: parseFloat((a ? a.join('') : '') + b.join('')) };
-              })(pos0, result0[0], result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_path() {
-        var cacheKey = "path@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0;
-        var pos0;
-        
-        pos0 = pos;
-        result0 = parse_identifierName();
-        if (result0 !== null) {
-          result0 = (function(offset, i) { return { type: 'literal', value: i }; })(pos0, result0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_type() {
-        var cacheKey = "type@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.substr(pos, 5) === "type(") {
-          result0 = "type(";
-          pos += 5;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"type(\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            if (/^[^ )]/.test(input.charAt(pos))) {
-              result3 = input.charAt(pos);
-              pos++;
-            } else {
-              result3 = null;
-              if (reportFailures === 0) {
-                matchFailed("[^ )]");
-              }
-            }
-            if (result3 !== null) {
-              result2 = [];
-              while (result3 !== null) {
-                result2.push(result3);
-                if (/^[^ )]/.test(input.charAt(pos))) {
-                  result3 = input.charAt(pos);
-                  pos++;
-                } else {
-                  result3 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("[^ )]");
-                  }
-                }
-              }
-            } else {
-              result2 = null;
-            }
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 41) {
-                  result4 = ")";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\")\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, t) { return { type: 'type', value: t.join('') }; })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_regex() {
-        var cacheKey = "regex@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 47) {
-          result0 = "/";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\"/\"");
-          }
-        }
-        if (result0 !== null) {
-          if (/^[^\/]/.test(input.charAt(pos))) {
-            result2 = input.charAt(pos);
-            pos++;
-          } else {
-            result2 = null;
-            if (reportFailures === 0) {
-              matchFailed("[^\\/]");
-            }
-          }
-          if (result2 !== null) {
-            result1 = [];
-            while (result2 !== null) {
-              result1.push(result2);
-              if (/^[^\/]/.test(input.charAt(pos))) {
-                result2 = input.charAt(pos);
-                pos++;
-              } else {
-                result2 = null;
-                if (reportFailures === 0) {
-                  matchFailed("[^\\/]");
-                }
-              }
-            }
-          } else {
-            result1 = null;
-          }
-          if (result1 !== null) {
-            if (input.charCodeAt(pos) === 47) {
-              result2 = "/";
-              pos++;
-            } else {
-              result2 = null;
-              if (reportFailures === 0) {
-                matchFailed("\"/\"");
-              }
-            }
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, d) { return { type: 'regexp', value: new RegExp(d.join('')) }; })(pos0, result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_field() {
-        var cacheKey = "field@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1, pos2;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 46) {
-          result0 = ".";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\".\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse_identifierName();
-          if (result1 !== null) {
-            result2 = [];
-            pos2 = pos;
-            if (input.charCodeAt(pos) === 46) {
-              result3 = ".";
-              pos++;
-            } else {
-              result3 = null;
-              if (reportFailures === 0) {
-                matchFailed("\".\"");
-              }
-            }
-            if (result3 !== null) {
-              result4 = parse_identifierName();
-              if (result4 !== null) {
-                result3 = [result3, result4];
-              } else {
-                result3 = null;
-                pos = pos2;
-              }
-            } else {
-              result3 = null;
-              pos = pos2;
-            }
-            while (result3 !== null) {
-              result2.push(result3);
-              pos2 = pos;
-              if (input.charCodeAt(pos) === 46) {
-                result3 = ".";
-                pos++;
-              } else {
-                result3 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\".\"");
-                }
-              }
-              if (result3 !== null) {
-                result4 = parse_identifierName();
-                if (result4 !== null) {
-                  result3 = [result3, result4];
-                } else {
-                  result3 = null;
-                  pos = pos2;
-                }
-              } else {
-                result3 = null;
-                pos = pos2;
-              }
-            }
-            if (result2 !== null) {
-              result0 = [result0, result1, result2];
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, i, is) {
-          return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};
-        })(pos0, result0[1], result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_negation() {
-        var cacheKey = "negation@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.substr(pos, 5) === ":not(") {
-          result0 = ":not(";
-          pos += 5;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":not(\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            result2 = parse_selectors();
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 41) {
-                  result4 = ")";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\")\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, ss) { return { type: 'not', selectors: ss }; })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_matches() {
-        var cacheKey = "matches@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.substr(pos, 9) === ":matches(") {
-          result0 = ":matches(";
-          pos += 9;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":matches(\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            result2 = parse_selectors();
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 41) {
-                  result4 = ")";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\")\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, ss) { return { type: 'matches', selectors: ss }; })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_firstChild() {
-        var cacheKey = "firstChild@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0;
-        var pos0;
-        
-        pos0 = pos;
-        if (input.substr(pos, 12) === ":first-child") {
-          result0 = ":first-child";
-          pos += 12;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":first-child\"");
-          }
-        }
-        if (result0 !== null) {
-          result0 = (function(offset) { return nth(1); })(pos0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_lastChild() {
-        var cacheKey = "lastChild@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0;
-        var pos0;
-        
-        pos0 = pos;
-        if (input.substr(pos, 11) === ":last-child") {
-          result0 = ":last-child";
-          pos += 11;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":last-child\"");
-          }
-        }
-        if (result0 !== null) {
-          result0 = (function(offset) { return nthLast(1); })(pos0);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_nthChild() {
-        var cacheKey = "nthChild@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.substr(pos, 11) === ":nth-child(") {
-          result0 = ":nth-child(";
-          pos += 11;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":nth-child(\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            if (/^[0-9]/.test(input.charAt(pos))) {
-              result3 = input.charAt(pos);
-              pos++;
-            } else {
-              result3 = null;
-              if (reportFailures === 0) {
-                matchFailed("[0-9]");
-              }
-            }
-            if (result3 !== null) {
-              result2 = [];
-              while (result3 !== null) {
-                result2.push(result3);
-                if (/^[0-9]/.test(input.charAt(pos))) {
-                  result3 = input.charAt(pos);
-                  pos++;
-                } else {
-                  result3 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("[0-9]");
-                  }
-                }
-              }
-            } else {
-              result2 = null;
-            }
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 41) {
-                  result4 = ")";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\")\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, n) { return nth(parseInt(n.join(''), 10)); })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_nthLastChild() {
-        var cacheKey = "nthLastChild@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1, result2, result3, result4;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.substr(pos, 16) === ":nth-last-child(") {
-          result0 = ":nth-last-child(";
-          pos += 16;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":nth-last-child(\"");
-          }
-        }
-        if (result0 !== null) {
-          result1 = parse__();
-          if (result1 !== null) {
-            if (/^[0-9]/.test(input.charAt(pos))) {
-              result3 = input.charAt(pos);
-              pos++;
-            } else {
-              result3 = null;
-              if (reportFailures === 0) {
-                matchFailed("[0-9]");
-              }
-            }
-            if (result3 !== null) {
-              result2 = [];
-              while (result3 !== null) {
-                result2.push(result3);
-                if (/^[0-9]/.test(input.charAt(pos))) {
-                  result3 = input.charAt(pos);
-                  pos++;
-                } else {
-                  result3 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("[0-9]");
-                  }
-                }
-              }
-            } else {
-              result2 = null;
-            }
-            if (result2 !== null) {
-              result3 = parse__();
-              if (result3 !== null) {
-                if (input.charCodeAt(pos) === 41) {
-                  result4 = ")";
-                  pos++;
-                } else {
-                  result4 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\")\"");
-                  }
-                }
-                if (result4 !== null) {
-                  result0 = [result0, result1, result2, result3, result4];
-                } else {
-                  result0 = null;
-                  pos = pos1;
-                }
-              } else {
-                result0 = null;
-                pos = pos1;
-              }
-            } else {
-              result0 = null;
-              pos = pos1;
-            }
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, n) { return nthLast(parseInt(n.join(''), 10)); })(pos0, result0[2]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      function parse_class() {
-        var cacheKey = "class@" + pos;
-        var cachedResult = cache[cacheKey];
-        if (cachedResult) {
-          pos = cachedResult.nextPos;
-          return cachedResult.result;
-        }
-        
-        var result0, result1;
-        var pos0, pos1;
-        
-        pos0 = pos;
-        pos1 = pos;
-        if (input.charCodeAt(pos) === 58) {
-          result0 = ":";
-          pos++;
-        } else {
-          result0 = null;
-          if (reportFailures === 0) {
-            matchFailed("\":\"");
-          }
-        }
-        if (result0 !== null) {
-          if (input.substr(pos, 9).toLowerCase() === "statement") {
-            result1 = input.substr(pos, 9);
-            pos += 9;
-          } else {
-            result1 = null;
-            if (reportFailures === 0) {
-              matchFailed("\"statement\"");
-            }
-          }
-          if (result1 === null) {
-            if (input.substr(pos, 10).toLowerCase() === "expression") {
-              result1 = input.substr(pos, 10);
-              pos += 10;
-            } else {
-              result1 = null;
-              if (reportFailures === 0) {
-                matchFailed("\"expression\"");
-              }
-            }
-            if (result1 === null) {
-              if (input.substr(pos, 11).toLowerCase() === "declaration") {
-                result1 = input.substr(pos, 11);
-                pos += 11;
-              } else {
-                result1 = null;
-                if (reportFailures === 0) {
-                  matchFailed("\"declaration\"");
-                }
-              }
-              if (result1 === null) {
-                if (input.substr(pos, 8).toLowerCase() === "function") {
-                  result1 = input.substr(pos, 8);
-                  pos += 8;
-                } else {
-                  result1 = null;
-                  if (reportFailures === 0) {
-                    matchFailed("\"function\"");
-                  }
-                }
-                if (result1 === null) {
-                  if (input.substr(pos, 7).toLowerCase() === "pattern") {
-                    result1 = input.substr(pos, 7);
-                    pos += 7;
-                  } else {
-                    result1 = null;
-                    if (reportFailures === 0) {
-                      matchFailed("\"pattern\"");
-                    }
-                  }
-                }
-              }
-            }
-          }
-          if (result1 !== null) {
-            result0 = [result0, result1];
-          } else {
-            result0 = null;
-            pos = pos1;
-          }
-        } else {
-          result0 = null;
-          pos = pos1;
-        }
-        if (result0 !== null) {
-          result0 = (function(offset, c) {
-          return { type: 'class', name: c };
-        })(pos0, result0[1]);
-        }
-        if (result0 === null) {
-          pos = pos0;
-        }
-        
-        cache[cacheKey] = {
-          nextPos: pos,
-          result:  result0
-        };
-        return result0;
-      }
-      
-      
-      function cleanupExpected(expected) {
-        expected.sort();
-        
-        var lastExpected = null;
-        var cleanExpected = [];
-        for (var i = 0; i < expected.length; i++) {
-          if (expected[i] !== lastExpected) {
-            cleanExpected.push(expected[i]);
-            lastExpected = expected[i];
-          }
-        }
-        return cleanExpected;
-      }
-      
-      function computeErrorPosition() {
-        /*
-         * The first idea was to use |String.split| to break the input up to the
-         * error position along newlines and derive the line and column from
-         * there. However IE's |split| implementation is so broken that it was
-         * enough to prevent it.
-         */
-        
-        var line = 1;
-        var column = 1;
-        var seenCR = false;
-        
-        for (var i = 0; i < Math.max(pos, rightmostFailuresPos); i++) {
-          var ch = input.charAt(i);
-          if (ch === "\n") {
-            if (!seenCR) { line++; }
-            column = 1;
-            seenCR = false;
-          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
-            line++;
-            column = 1;
-            seenCR = true;
-          } else {
-            column++;
-            seenCR = false;
-          }
-        }
-        
-        return { line: line, column: column };
-      }
-      
-      
-        function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }
-        function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }
-        function strUnescape(s) {
-          return s.replace(/\\(.)/g, function(match, ch) {
-            switch(ch) {
-              case 'a': return '\a';
-              case 'b': return '\b';
-              case 'f': return '\f';
-              case 'n': return '\n';
-              case 'r': return '\r';
-              case 't': return '\t';
-              case 'v': return '\v';
-              default: return ch;
-            }
-          });
-        }
-      
-      
-      var result = parseFunctions[startRule]();
-      
-      /*
-       * The parser is now in one of the following three states:
-       *
-       * 1. The parser successfully parsed the whole input.
-       *
-       *    - |result !== null|
-       *    - |pos === input.length|
-       *    - |rightmostFailuresExpected| may or may not contain something
-       *
-       * 2. The parser successfully parsed only a part of the input.
-       *
-       *    - |result !== null|
-       *    - |pos < input.length|
-       *    - |rightmostFailuresExpected| may or may not contain something
-       *
-       * 3. The parser did not successfully parse any part of the input.
-       *
-       *   - |result === null|
-       *   - |pos === 0|
-       *   - |rightmostFailuresExpected| contains at least one failure
-       *
-       * All code following this comment (including called functions) must
-       * handle these states.
-       */
-      if (result === null || pos !== input.length) {
-        var offset = Math.max(pos, rightmostFailuresPos);
-        var found = offset < input.length ? input.charAt(offset) : null;
-        var errorPosition = computeErrorPosition();
-        
-        throw new this.SyntaxError(
-          cleanupExpected(rightmostFailuresExpected),
-          found,
-          offset,
-          errorPosition.line,
-          errorPosition.column
-        );
-      }
-      
-      return result;
-    },
-    
-    /* Returns the parser source code. */
-    toSource: function() { return this._source; }
-  };
-  
-  /* Thrown when a parser encounters a syntax error. */
-  
-  result.SyntaxError = function(expected, found, offset, line, column) {
-    function buildMessage(expected, found) {
-      var expectedHumanized, foundHumanized;
-      
-      switch (expected.length) {
-        case 0:
-          expectedHumanized = "end of input";
-          break;
-        case 1:
-          expectedHumanized = expected[0];
-          break;
-        default:
-          expectedHumanized = expected.slice(0, expected.length - 1).join(", ")
-            + " or "
-            + expected[expected.length - 1];
-      }
-      
-      foundHumanized = found ? quote(found) : "end of input";
-      
-      return "Expected " + expectedHumanized + " but " + foundHumanized + " found.";
-    }
-    
-    this.name = "SyntaxError";
-    this.expected = expected;
-    this.found = found;
-    this.message = buildMessage(expected, found);
-    this.offset = offset;
-    this.line = line;
-    this.column = column;
-  };
-  
-  result.SyntaxError.prototype = Error.prototype;
-  
-  return result;
-})();
-if (typeof define === "function" && define.amd) { define(function(){ return result; }); } else if (typeof module !== "undefined" && module.exports) { module.exports = result; } else { this.esquery = result; }