r.rule=="string"?new Error(n):r.rule.error(n,a)}},e.attribute=function(){var r=[],n=this.currToken;for(this.position++;this.position<this.tokens.length&&this.currToken[A.FIELDS.TYPE]!==T.closeSquare;)r.push(this.currToken),this.position++;if(this.currToken[A.FIELDS.TYPE]!==T.closeSquare)return this.expected("closing square bracket",this.currToken[A.FIELDS.START_POS]);var a=r.length,s={source:bt(n[1],n[2],this.currToken[3],this.currToken[4]),sourceIndex:n[A.FIELDS.START_POS]};if(a===1&&!~[T.word].indexOf(r[0][A...