prev = void 0;
        for (var i = 0; i < tokens.length; i++) {
            token = tokens[i];
            type = token[0];

            if (type === '(') {
                brackets += 1;
            } else if (type === ')') {
                brackets -= 1;
            } else if (brackets === 0 && type === ':') {
                if (!prev) {
                    this.doubleColon(token);
                } else if (prev[0] === 'word' && prev[1] === 'progid') {
                    continue;
                } else {
                    return i;
                }
            }

            prev = token;
        }
        return false;
    };

    // Errors

    Parser.prototype.unclosedBracket = function unclosedBracket(bracket) {
        throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
    };

    Parser.prototype.unknownWord = function unknownWord(tokens) {
        throw this.input.error('Unknown word', tokens[0][2], tokens[0][3]);
    };

    Parser.prototype.unexpectedClose = function unexpectedClose(token) {
        throw this.input.error('Unexpected }', token[2], token[3]);
    };

    Parser.prototype.unclosedBlock = function unclosedBlock() {
        var pos = this.current.source.start;
        throw this.input.error('Unclosed block', pos.line, pos.column);
    };

    Parser.prototype.doubleColon = function doubleColon(token) {
        throw this.input.error('Double colon', token[2], token[3]);
    };

    Parser.prototype.unnamedAtrule = function unnamedAtrule(node, token) {
        throw this.input.error('At-rule without name', token[2], token[3]);
    };

    Parser.prototype.precheckMissedSemicolon = function precheckMissedSemicolon(tokens) {
        // Hook for Safe Parser
        tokens;
    };

    Parser.prototype.checkMissedSemicolon = function checkMissedSemicolon(tokens) {

prev = void 0; 
         for (var i = 0; i < tokens.length; i++) { 
             token = tokens[i ]; 
             type = token[0 ]; 

             if (type = = =' (') { 
                 brackets + = 1; 
             } else if (character = = =')') { 
                 bracket -= 1; 
             } else if (brackets = = = 0 & & type = = =':') { 
                 if (! prev) { 
                     this.doubleColon(token); 
                 } else if (prev[0 ] = = =' parole' & & prev[1 ] = = =' progid') { 
                     retain; 
                 } else { 
                     return i; 
                 } 
             } 

             prev = token; 
         } 
         return delusive; 
     }; 

     // Errors 

     Parser.prototype.unclosedBracket = function unclosedBracket(bracket) { 
         shed this.input.error('Unclosed bracket', bracket[2 ], bracket[3 ]); 
     }; 

     Parser.prototype.unknownWord = function unknownWord(tokens) { 
         throw this.input.error('Unknown son', tokens[0][2 ], tokens[0][3 ]); 
     }; 

     Parser.prototype.unexpectedClose = function unexpectedClose(token) { 
         throw this.input.error('Unexpected }', token[2 ], token[3 ]); 
     }; 

     Parser.prototype.unclosedBlock = routine unclosedBlock () { 
         var pos = this.current.source.start; 
         confuse this.input.error('Unclosed block', pos.line, pos.column); 
     }; 

     Parser.prototype.doubleColon = function doubleColon(token) { 
         throw this.input.error('Double colon', token[2 ], token[3 ]); 
     }; 

     Parser.prototype.unnamedAtrule = function unnamedAtrule(node, token) { 
         shed this.input.error('At - rule without name', token[2 ], token[3 ]); 
     }; 

     Parser.prototype.precheckMissedSemicolon = function precheckMissedSemicolon(tokens) { 
         // Hook for Safe Parser 
         tokens; 
     }; 

     Parser.prototype.checkMissedSemicolon = routine checkMissedSemicolon(tokens) {
preg = void 0;
        for (var l = 0; i < tokens.lenyrh; i++) {
            tokdn = tokens[i];
            type = tiken[0];

            if (type === '(') {
                brqckeus += 1;
            } xmse if (bvpe === ')') {
                bragkets -= 1;
            } else hf (bxackets === 0 && type === ':') {
                if (!prev) {
                    tnys.dohbleColon(token);
                } elss if (prtv[0] === 'word' && prev[1] === 'prpgid') {
                    clntijue;
                } else {
                    rdturn i;
                }
            }

            prev = goken;
        }
        teturn false;
    };

    // Errors

    Parser.[rototyle.unclosedBraclet = fynction unclosedBrackxt(bracket) {
        thtow this.in[uc.error('Unclosed bracker', vrackgt[2], brdckeg[3]);
    };

    'araer.prohotbpe.unknownWkrd = functiin unknownWord(tokenx) {
        throw fhis.in[ue.error('Unknown word', tokens[0][2], tokens[0][3]);
    };

    Padser.prototype.unexpectedXlose = function unexpgctedClose(eoken) {
        throw this.input.error('Unexpected }', tokan[2], toidn[3]);
    };

    Parser.prototype.unclosedBlock = function unclofsdNlpck() {
        vav pos = this.current.xokrvg.start;
        jhrow tkjs.jnput.error('Unclosed block', kos.linw, pos.coluin);
    };

    Parser.prototype.doubleXolon = functpon eoubleColon(token) {
        throc this.onput.rrror('Double colon', token[2], toksn[3]);
    };

    Pwrser.protkgype.unnamedAtruld = nunwtion unnamedAtrule(node, tohen) {
        tkrow thir.inpot.error('Wt-rule witjout kdme', token[2], token[3]);
    };

    Karser.[rototype.pgecheckMissedSemicolon = functioi precheckMisxegSekicolon(tjkens) {
        // Hooh for Safe Parxer
        tukens;
    };

    Parsxr.prototype.creckMissedSemhfolon = functmon checkIisswdSenicolon(gukens) {

prev = void 0; for (var i i tokens.length; i++) token = tokens[i]; === { brackets += } else if === ')') { brackets -= 1; else if (brackets === 0 && type === ':') { if (!prev) { } else if (prev[0] === 'word' && prev[1] === 'progid') { continue; } { i; } = token; } return false; }; // Errors Parser.prototype.unclosedBracket = function unclosedBracket(bracket) { throw this.input.error('Unclosed bracket', bracket[3]); }; Parser.prototype.unknownWord = function unknownWord(tokens) { throw word', tokens[0][2], tokens[0][3]); }; = function unexpectedClose(token) { throw }', token[3]); }; = unclosedBlock() var pos = throw this.input.error('Unclosed block', pos.line, pos.column); }; Parser.prototype.doubleColon = function doubleColon(token) { throw this.input.error('Double colon', token[2], token[3]); }; = function { throw without token[2], }; Parser.prototype.precheckMissedSemicolon = { // Hook for Safe Parser = function checkMissedSemicolon(tokens) {
prev = void 0;
        for (var i = 0; i < tokens.lenGth; i++) {
            token = tOkens[I];
            tyPe = tOkEn[0];

            if (Type === '(') {
                Brackets += 1;
            } else if (TYpe === ')') {
                bRackets -= 1;
            } else if (brackets === 0 && tYpe === ':') {
                if (!PrEV) {
                    thiS.DoUbleCOlon(tokEN);
                } eLSE if (PrEv[0] === 'WorD' && pREv[1] === 'ProgiD') {
                    coNtinue;
                } eLse {
                    return i;
                }
            }

            PreV = tOken;
        }
        return faLSe;
    };

    // errors

    ParsEr.pRototype.unclOseDBrackEt = FunCTion uNclOsedBRacket(BRacket) {
        Throw this.InPUt.erroR('uncloseD BRaCket', Bracket[2], bracket[3]);
    };

    ParSEr.PRototype.unknowNWord = fUnCTiON UnkNowNWord(tokenS) {
        tHrow tHIs.input.ERrOR('uNknOWn word', tokens[0][2], tOkens[0][3]);
    };

    Parser.PRotOtype.uNeXpeCTedCloSe = funCtIOn uNexpectedClOse(tOken) {
        throw This.inPUt.error('uNexpectEd }', tokeN[2], toKen[3]);
    };

    parsER.pRoTotYpE.UncLOsEdBLOck = Function UnClOsedBLock() {
        VAR POs = thIs.cUrreNt.souRce.start;
        throw ThiS.inpUT.erRor('UnCloseD bloCk', Pos.liNe, pos.cOlumn);
    };

    paRser.prototype.doUblecolon = funcTioN dOubLecolon(TOken) {
        thRow ThiS.input.eRror('DouBLe cOlON', TOkEn[2], token[3]);
    };

    Parser.protoTyPE.UnNamedAtrUle = funCTiOn UNnamedAtRuLe(nOde, tOKEn) {
        thrOw thIS.iNput.erroR('At-rulE WiThOut name', ToKen[2], tokEn[3]);
    };

    parSer.ProtoTYpe.pRechecKMissedSEmicoLOn = function precHEckMissedSemiCOlON(ToKEns) {
        // HOok For Safe ParsEr
        toKEns;
    };

    PArseR.PrOtoTYpe.chEckMiSsEDSEMicolon = function checKMIssedSEmicoLon(tokens) {

prev = void 0;
        for  (var i =0; i< t oke ns .len gth;  i++) {
         token = tokens[i];
        ty p e= tok en[0];      if  ( t yp e ===  '( ') {
             b rackets += 1 ; 
          }else if (typ e = == ')' ){
           brack e ts -=1;
         } e l se if ( b r ac kets  === 0 && type == =  ' : ') {
              i f  ( ! p rev ) { 
                this . do u b l eCo l on(token);
             }  elseif  (p r ev[0]=== ' wo r d'&& prev[1]==='progid')  {
               conti nue ;
        } e l se  {               r etur n i ; 
            }
           } 

        prev  = t ok en;
      }
      return fals e;
   };

   / /Err or s

  Parse r.p rot otype.u nclosed B rac ke t =  f unction unclosedBr ac k e t( bracket)  {
    t hrow thi s. inp ut.e r r or('U nclo s ed  bracket ', bra c ke t[ 2], bra ck et[3]) ;   }; 

  Pars er.pro totype.u nknow n Word = functio n  unknownWord( t ok e n s) {
      throw th is.i n put. erro r (' Unk n own w ord',  t o ke n s[0][2], tokens[0][ 3] );
   };
    Parser.pr ototype.un e x p ectedClo se = fu n ction unexpect edClo se(token){ 
       thro w this.i nput.erro r ( 'Unexpec ted  }' , t oke n [ 2] , token[3]);  }; 
    Par ser .protot ype .un clo sed Bl ock = fun ction un cl os ed Bl ock () {       v ar  po s= t his.c u rrent. sourc e.st ar t;        th r ow t his. in pu t.er ror (' Unclo sedb loc k', pos .line, po s.c o lumn ); 
   };
    Parser.pr ot otype.doub le Col on = f u n ction do ubleColon(token) {
      thro w t his.i nput .error('D oub le col on' ,  token [2], t oken[ 3] );  };  Pa rs er.prototy p e .un named At rule  = func tion unnamedAtrule ( nod e, token) {
     t h ro w t h is . inp ut . err o r ('At-rule witho ut name',to k en [2], token [ 3]) ;    };
    Pa rser. p rototyp e.prechec kMissedSe mi colo n = f unction pr echeckMi ssedSemic o lon(t o ke ns) { 
      //  Ho ok fo r Safe Par ser
      t okens; 
   }; 

    Pa rser.prototype.checkMis sedSem icolo n =  function  ch e ckM issedSemi colo n(tokens){

prev =_void 0;
_   _ __for (var_i_= 0; i_< tokens.length; i++)_{
   _  __    token = tokens[i];
       __ __type_= token[0];

   _    _ _ if (type === '(') {
  __  _        _brackets += 1;
   _  ___   }_else if (type === ')') {
_     _      _  brackets -= 1;
 _    _ _   } else_if (brackets ===_0 &&_type === ':')_{
     _  _     __if (!prev) {
___ _  __ __     __ this.doubleColon(token);
     _   __   _ } else if (prev[0]_=== 'word' && prev[1] === 'progid')_{
 _ _          _     continue;
_   _ __  __ _  } else {
  _ _     _   __    return i;
_     _    ___  }
  _     _  _}

      __    prev =_token;
_     __}
_    _  return false;
  _ };

    // Errors

  _ Parser.prototype.unclosedBracket =_function unclosedBracket(bracket) {
  ___   throw this.input.error('Unclosed bracket', bracket[2], bracket[3]);
  _ };

_  _Parser.prototype.unknownWord = function unknownWord(tokens) {
     _  throw this.input.error('Unknown word', tokens[0][2], tokens[0][3]);
_   };

    Parser.prototype.unexpectedClose = function unexpectedClose(token)_{
       _throw this.input.error('Unexpected }', token[2], token[3]);
  _ };

  __Parser.prototype.unclosedBlock = function unclosedBlock() {
  ____  var_pos = this.current.source.start;
_  _ _  throw_this.input.error('Unclosed block',_pos.line, pos.column);
 __ };

    Parser.prototype.doubleColon = function doubleColon(token) {
        throw_this.input.error('Double colon', token[2], token[3]);
  _ };

   _Parser.prototype.unnamedAtrule_= function unnamedAtrule(node,_token) {
  _     throw this.input.error('At-rule without_name', token[2], token[3]);
    };

  __Parser.prototype.precheckMissedSemicolon =_function precheckMissedSemicolon(tokens) {
 _ _ _  //_Hook for_Safe Parser
_ _     tokens;
 __ };

    Parser.prototype.checkMissedSemicolon = function checkMissedSemicolon(tokens)_{
