Method compile

vulnerablecode/static/js/highlight-10.6.0.min.js:90–98

()

addRule(e,t){
t.position=this.position++,this.matchIndexes[this.matchAt]=t,this.regexes.push([t,e]),
this.matchAt+=(e=>RegExp(e.toString()+"|").exec("").length-1)(e)+1}compile(){
0===this.regexes.length&&(this.exec=()=>null)
;const e=this.regexes.map((e=>e[1]));this.matcherRe=n(((e,t="|")=>{
const n=/\[(?:[^\\\]]|\\.)*\]|\(\??|\\([1-9][0-9]*)|\\./;let s=0,r=""
;for(let a=0;a<e.length;a++){s+=1;const i=s;let o=u(e[a])
;for(a>0&&(r+=t),r+="(";o.length>0;){const e=n.exec(o);if(null==e){r+=o;break}
r+=o.substring(0,e.index),
o=o.substring(e.index+e[0].length),"\\"===e[0][0]&&e[1]?r+="\\"+(Number(e[1])+i):(r+=e[0],
"("===e[0]&&s++)}r+=")"}return r})(e),!0),this.lastIndex=0}exec(e){
this.matcherRe.lastIndex=this.lastIndex;const t=this.matcherRe.exec(e)
;if(!t)return null
;const n=t.findIndex(((e,t)=>t>0&&void 0!==e)),s=this.matchIndexes[n]