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de=U.prototype,fe=function(e){this.parser=e,this.validFlags="gim"+(e.options.ecmaVersion>=6?"uy":"")+(e.options.ecmaVersion>=9?"s":""),this.unicodeProperties=le[e.options.ecmaVersion>=11?11:e.options.ecmaVersion],this.source="",this.flags="",this.start=0,this.switchU=!1,this.switchN=!1,this.pos=0,this.lastIntValue=0,this.lastStringValue="",this.lastAssertionIsQuantifiable=!1,this.numCapturingParens=0,this.maxBackReference=0,this.groupNames=[],this.backReferenceNames=[]};function me(e){return e<=65535?String.fromCharCode(e):(e-=65536,String.fromCharCode(55296+(e>>10),56320+(1023&e)))}function ge(e){return 36===e||e>=40&&e<=43||46===e||63===e||e>=91&&e<=94||e>=123&&e<=125}function ye(e){return e>=65&&e<=90||e>=97&&e<=122}function ve(e){return ye(e)||95===e}function xe(e){return ve(e)||be(e)}function be(e){return e>=48&&e<=57}function _e(e){return e>=48&&e<=57||e>=65&&e<=70||e>=97&&e<=102}function ke(e){return e>=65&&e<=70?e-65+10:e>=97&&e<=102?e-97+10:e-48}function we(e){return e>=48&&e<=55}fe.prototype.reset=function(e,t,r){var i=-1!==r.indexOf("u");this.start=0|e,this.source=t+"",this.flags=r,this.switchU=i&&this.parser.options.ecmaVersion>=6,this.switchN=i&&this.parser.options.ecmaVersion>=9},fe.prototype.raise=function(e){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+e)},fe.prototype.at=function(e){var t=this.source,r=t.length;if(e>=r)return-1;var i=t.charCodeAt(e);if(!this.switchU||i<=55295||i>=57344||e+1>=r)return i;var n=t.charCodeAt(e+1);return n>=56320&&n<=57343?(i<<10)+n-56613888:i},fe.prototype.nextIndex=function(e){var t=this.source,r=t.length;if(e>=r)return r;var i,n=t.charCodeAt(e);return!this.switchU||n<=55295||n>=57344||e+1>=r||(i=t.charCodeAt(e+1))<56320||i>57343?e+1:e+2},fe.prototype.current=function(){return this.at(this.pos)},fe.prototype.lookahead=function(){return this.at(this.nextIndex(this.pos))},fe.prototype.advance=function(){this.pos=this.nextIndex(this.pos)},fe.prototype.eat=function(e){return this.current()===e&&(this.advance(),!0)},de.validateRegExpFlags=function(e){for(var t=e.validFlags,r=e.flags,i=0;i-1&&this.raise(e.start,"Duplicate regular expression flag")}},de.validateRegExpPattern=function(e){this.regexp_pattern(e),!e.switchN&&this.options.ecmaVersion>=9&&e.groupNames.length>0&&(e.switchN=!0,this.regexp_pattern(e))},de.regexp_pattern=function(e){e.pos=0,e.lastIntValue=0,e.lastStringValue="",e.lastAssertionIsQuantifiable=!1,e.numCapturingParens=0,e.maxBackReference=0,e.groupNames.length=0,e.backReferenceNames.length=0,this.regexp_disjunction(e),e.pos!==e.source.length&&(e.eat(41)&&e.raise("Unmatched ')'"),(e.eat(93)||e.eat(125))&&e.raise("Lone quantifier brackets")),e.maxBackReference>e.numCapturingParens&&e.raise("Invalid escape");for(var t=0,r=e.backReferenceNames;t=9&&(r=e.eat(60)),e.eat(61)||e.eat(33))return this.regexp_disjunction(e),e.eat(41)||e.raise("Unterminated group"),e.lastAssertionIsQuantifiable=!r,!0}return e.pos=t,!1},de.regexp_eatQuantifier=function(e,t){return void 0===t&&(t=!1),!!this.regexp_eatQuantifierPrefix(e,t)&&(e.eat(63),!0)},de.regexp_eatQuantifierPrefix=function(e,t){return e.eat(42)||e.eat(43)||e.eat(63)||this.regexp_eatBracedQuantifier(e,t)},de.regexp_eatBracedQuantifier=function(e,t){var r=e.pos;if(e.eat(123)){var i=0,n=-1;if(this.regexp_eatDecimalDigits(e)&&(i=e.lastIntValue,e.eat(44)&&this.regexp_eatDecimalDigits(e)&&(n=e.lastIntValue),e.eat(125)))return-1!==n&&n=9?this.regexp_groupSpecifier(e):63===e.current()&&e.raise("Invalid group"),this.regexp_disjunction(e),e.eat(41))return e.numCapturingParens+=1,!0;e.raise("Unterminated group")}return!1},de.regexp_eatExtendedAtom=function(e){return e.eat(46)||this.regexp_eatReverseSolidusAtomEscape(e)||this.regexp_eatCharacterClass(e)||this.regexp_eatUncapturingGroup(e)||this.regexp_eatCapturingGroup(e)||this.regexp_eatInvalidBracedQuantifier(e)||this.regexp_eatExtendedPatternCharacter(e)},de.regexp_eatInvalidBracedQuantifier=function(e){return this.regexp_eatBracedQuantifier(e,!0)&&e.raise("Nothing to repeat"),!1},de.regexp_eatSyntaxCharacter=function(e){var t=e.current();return!!ge(t)&&(e.lastIntValue=t,e.advance(),!0)},de.regexp_eatPatternCharacters=function(e){for(var t=e.pos,r=0;-1!==(r=e.current())&&!ge(r);)e.advance();return e.pos!==t},de.regexp_eatExtendedPatternCharacter=function(e){var t=e.current();return!(-1===t||36===t||t>=40&&t<=43||46===t||63===t||91===t||94===t||124===t||(e.advance(),0))},de.regexp_groupSpecifier=function(e){if(e.eat(63)){if(this.regexp_eatGroupName(e))return-1!==e.groupNames.indexOf(e.lastStringValue)&&e.raise("Duplicate capture group name"),void e.groupNames.push(e.lastStringValue);e.raise("Invalid group")}},de.regexp_eatGroupName=function(e){if(e.lastStringValue="",e.eat(60)){if(this.regexp_eatRegExpIdentifierName(e)&&e.eat(62))return!0;e.raise("Invalid capture group name")}return!1},de.regexp_eatRegExpIdentifierName=function(e){if(e.lastStringValue="",this.regexp_eatRegExpIdentifierStart(e)){for(e.lastStringValue+=me(e.lastIntValue);this.regexp_eatRegExpIdentifierPart(e);)e.lastStringValue+=me(e.lastIntValue);return!0}return!1},de.regexp_eatRegExpIdentifierStart=function(e){var t=e.pos,r=e.current();return e.advance(),92===r&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(r=e.lastIntValue),function(e){return f(e,!0)||36===e||95===e}(r)?(e.lastIntValue=r,!0):(e.pos=t,!1)},de.regexp_eatRegExpIdentifierPart=function(e){var t=e.pos,r=e.current();return e.advance(),92===r&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(r=e.lastIntValue),function(e){return m(e,!0)||36===e||95===e||8204===e||8205===e}(r)?(e.lastIntValue=r,!0):(e.pos=t,!1)},de.regexp_eatAtomEscape=function(e){return!!(this.regexp_eatBackReference(e)||this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)||e.switchN&&this.regexp_eatKGroupName(e))||(e.switchU&&(99===e.current()&&e.raise("Invalid unicode escape"),e.raise("Invalid escape")),!1)},de.regexp_eatBackReference=function(e){var t=e.pos;if(this.regexp_eatDecimalEscape(e)){var r=e.lastIntValue;if(e.switchU)return r>e.maxBackReference&&(e.maxBackReference=r),!0;if(r<=e.numCapturingParens)return!0;e.pos=t}return!1},de.regexp_eatKGroupName=function(e){if(e.eat(107)){if(this.regexp_eatGroupName(e))return e.backReferenceNames.push(e.lastStringValue),!0;e.raise("Invalid named reference")}return!1},de.regexp_eatCharacterEscape=function(e){return this.regexp_eatControlEscape(e)||this.regexp_eatCControlLetter(e)||this.regexp_eatZero(e)||this.regexp_eatHexEscapeSequence(e)||this.regexp_eatRegExpUnicodeEscapeSequence(e)||!e.switchU&&this.regexp_eatLegacyOctalEscapeSequence(e)||this.regexp_eatIdentityEscape(e)},de.regexp_eatCControlLetter=function(e){var t=e.pos;if(e.eat(99)){if(this.regexp_eatControlLetter(e))return!0;e.pos=t}return!1},de.regexp_eatZero=function(e){return 48===e.current()&&!be(e.lookahead())&&(e.lastIntValue=0,e.advance(),!0)},de.regexp_eatControlEscape=function(e){var t=e.current();return 116===t?(e.lastIntValue=9,e.advance(),!0):110===t?(e.lastIntValue=10,e.advance(),!0):118===t?(e.lastIntValue=11,e.advance(),!0):102===t?(e.lastIntValue=12,e.advance(),!0):114===t&&(e.lastIntValue=13,e.advance(),!0)},de.regexp_eatControlLetter=function(e){var t=e.current();return!!ye(t)&&(e.lastIntValue=t%32,e.advance(),!0)},de.regexp_eatRegExpUnicodeEscapeSequence=function(e){var t,r=e.pos;if(e.eat(117)){if(this.regexp_eatFixedHexDigits(e,4)){var i=e.lastIntValue;if(e.switchU&&i>=55296&&i<=56319){var n=e.pos;if(e.eat(92)&&e.eat(117)&&this.regexp_eatFixedHexDigits(e,4)){var s=e.lastIntValue;if(s>=56320&&s<=57343)return e.lastIntValue=1024*(i-55296)+(s-56320)+65536,!0}e.pos=n,e.lastIntValue=i}return!0}if(e.switchU&&e.eat(123)&&this.regexp_eatHexDigits(e)&&e.eat(125)&&(t=e.lastIntValue)>=0&&t<=1114111)return!0;e.switchU&&e.raise("Invalid unicode escape"),e.pos=r}return!1},de.regexp_eatIdentityEscape=function(e){if(e.switchU)return!!this.regexp_eatSyntaxCharacter(e)||!!e.eat(47)&&(e.lastIntValue=47,!0);var t=e.current();return!(99===t||e.switchN&&107===t||(e.lastIntValue=t,e.advance(),0))},de.regexp_eatDecimalEscape=function(e){e.lastIntValue=0;var t=e.current();if(t>=49&&t<=57){do{e.lastIntValue=10*e.lastIntValue+(t-48),e.advance()}while((t=e.current())>=48&&t<=57);return!0}return!1},de.regexp_eatCharacterClassEscape=function(e){var t=e.current();if(function(e){return 100===e||68===e||115===e||83===e||119===e||87===e}(t))return e.lastIntValue=-1,e.advance(),!0;if(e.switchU&&this.options.ecmaVersion>=9&&(80===t||112===t)){if(e.lastIntValue=-1,e.advance(),e.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(e)&&e.eat(125))return!0;e.raise("Invalid property name")}return!1},de.regexp_eatUnicodePropertyValueExpression=function(e){var t=e.pos;if(this.regexp_eatUnicodePropertyName(e)&&e.eat(61)){var r=e.lastStringValue;if(this.regexp_eatUnicodePropertyValue(e))return this.regexp_validateUnicodePropertyNameAndValue(e,r,e.lastStringValue),!0}return e.pos=t,!!this.regexp_eatLoneUnicodePropertyNameOrValue(e)&&(this.regexp_validateUnicodePropertyNameOrValue(e,e.lastStringValue),!0)},de.regexp_validateUnicodePropertyNameAndValue=function(e,t,r){L(e.unicodeProperties.nonBinary,t)||e.raise("Invalid property name"),e.unicodeProperties.nonBinary[t].test(r)||e.raise("Invalid property value")},de.regexp_validateUnicodePropertyNameOrValue=function(e,t){e.unicodeProperties.binary.test(t)||e.raise("Invalid property name")},de.regexp_eatUnicodePropertyName=function(e){var t=0;for(e.lastStringValue="";ve(t=e.current());)e.lastStringValue+=me(t),e.advance();return""!==e.lastStringValue},de.regexp_eatUnicodePropertyValue=function(e){var t=0;for(e.lastStringValue="";xe(t=e.current());)e.lastStringValue+=me(t),e.advance();return""!==e.lastStringValue},de.regexp_eatLoneUnicodePropertyNameOrValue=function(e){return this.regexp_eatUnicodePropertyValue(e)},de.regexp_eatCharacterClass=function(e){if(e.eat(91)){if(e.eat(94),this.regexp_classRanges(e),e.eat(93))return!0;e.raise("Unterminated character class")}return!1},de.regexp_classRanges=function(e){for(;this.regexp_eatClassAtom(e);){var t=e.lastIntValue;if(e.eat(45)&&this.regexp_eatClassAtom(e)){var r=e.lastIntValue;!e.switchU||-1!==t&&-1!==r||e.raise("Invalid character class"),-1!==t&&-1!==r&&t>r&&e.raise("Range out of order in character class")}}},de.regexp_eatClassAtom=function(e){var t=e.pos;if(e.eat(92)){if(this.regexp_eatClassEscape(e))return!0;if(e.switchU){var r=e.current();(99===r||we(r))&&e.raise("Invalid class escape"),e.raise("Invalid escape")}e.pos=t}var i=e.current();return 93!==i&&(e.lastIntValue=i,e.advance(),!0)},de.regexp_eatClassEscape=function(e){var t=e.pos;if(e.eat(98))return e.lastIntValue=8,!0;if(e.switchU&&e.eat(45))return e.lastIntValue=45,!0;if(!e.switchU&&e.eat(99)){if(this.regexp_eatClassControlLetter(e))return!0;e.pos=t}return this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)},de.regexp_eatClassControlLetter=function(e){var t=e.current();return!(!be(t)&&95!==t||(e.lastIntValue=t%32,e.advance(),0))},de.regexp_eatHexEscapeSequence=function(e){var t=e.pos;if(e.eat(120)){if(this.regexp_eatFixedHexDigits(e,2))return!0;e.switchU&&e.raise("Invalid escape"),e.pos=t}return!1},de.regexp_eatDecimalDigits=function(e){var t=e.pos,r=0;for(e.lastIntValue=0;be(r=e.current());)e.lastIntValue=10*e.lastIntValue+(r-48),e.advance();return e.pos!==t},de.regexp_eatHexDigits=function(e){var t=e.pos,r=0;for(e.lastIntValue=0;_e(r=e.current());)e.lastIntValue=16*e.lastIntValue+ke(r),e.advance();return e.pos!==t},de.regexp_eatLegacyOctalEscapeSequence=function(e){if(this.regexp_eatOctalDigit(e)){var t=e.lastIntValue;if(this.regexp_eatOctalDigit(e)){var r=e.lastIntValue;e.lastIntValue=t<=3&&this.regexp_eatOctalDigit(e)?64*t+8*r+e.lastIntValue:8*t+r}else e.lastIntValue=t;return!0}return!1},de.regexp_eatOctalDigit=function(e){var t=e.current();return we(t)?(e.lastIntValue=t-48,e.advance(),!0):(e.lastIntValue=0,!1)},de.regexp_eatFixedHexDigits=function(e,t){var r=e.pos;e.lastIntValue=0;for(var i=0;i>10),56320+(1023&e)))}Ee.next=function(){this.options.onToken&&this.options.onToken(new Se(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},Ee.getToken=function(){return this.next(),new Se(this)},"undefined"!=typeof Symbol&&(Ee[Symbol.iterator]=function(){var e=this;return{next:function(){var t=e.getToken();return{done:t.type===k.eof,value:t}}}}),Ee.curContext=function(){return this.context[this.context.length-1]},Ee.nextToken=function(){var e=this.curContext();return e&&e.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(k.eof):e.override?e.override(this):void this.readToken(this.fullCharCodeAtPos())},Ee.readToken=function(e){return f(e,this.options.ecmaVersion>=6)||92===e?this.readWord():this.getTokenFromCode(e)},Ee.fullCharCodeAtPos=function(){var e=this.input.charCodeAt(this.pos);return e<=55295||e>=57344?e:(e<<10)+this.input.charCodeAt(this.pos+1)-56613888},Ee.skipBlockComment=function(){var e,t=this.options.onComment&&this.curPosition(),r=this.pos,i=this.input.indexOf("*/",this.pos+=2);if(-1===i&&this.raise(this.pos-2,"Unterminated comment"),this.pos=i+2,this.options.locations)for(S.lastIndex=r;(e=S.exec(this.input))&&e.index8&&e<14||e>=5760&&C.test(String.fromCharCode(e))))break e;++this.pos}}},Ee.finishToken=function(e,t){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var r=this.type;this.type=e,this.value=t,this.updateContext(r)},Ee.readToken_dot=function(){var e=this.input.charCodeAt(this.pos+1);if(e>=48&&e<=57)return this.readNumber(!0);var t=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===e&&46===t?(this.pos+=3,this.finishToken(k.ellipsis)):(++this.pos,this.finishToken(k.dot))},Ee.readToken_slash=function(){var e=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===e?this.finishOp(k.assign,2):this.finishOp(k.slash,1)},Ee.readToken_mult_modulo_exp=function(e){var t=this.input.charCodeAt(this.pos+1),r=1,i=42===e?k.star:k.modulo;return this.options.ecmaVersion>=7&&42===e&&42===t&&(++r,i=k.starstar,t=this.input.charCodeAt(this.pos+2)),61===t?this.finishOp(k.assign,r+1):this.finishOp(i,r)},Ee.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?this.finishOp(124===e?k.logicalOR:k.logicalAND,2):61===t?this.finishOp(k.assign,2):this.finishOp(124===e?k.bitwiseOR:k.bitwiseAND,1)},Ee.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(k.assign,2):this.finishOp(k.bitwiseXOR,1)},Ee.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?45!==t||this.inModule||62!==this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!w.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(k.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===t?this.finishOp(k.assign,2):this.finishOp(k.plusMin,1)},Ee.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.pos+1),r=1;return t===e?(r=62===e&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+r)?this.finishOp(k.assign,r+1):this.finishOp(k.bitShift,r)):33!==t||60!==e||this.inModule||45!==this.input.charCodeAt(this.pos+2)||45!==this.input.charCodeAt(this.pos+3)?(61===t&&(r=2),this.finishOp(k.relational,r)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},Ee.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.pos+1);return 61===t?this.finishOp(k.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===e&&62===t&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(k.arrow)):this.finishOp(61===e?k.eq:k.prefix,1)},Ee.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(k.parenL);case 41:return++this.pos,this.finishToken(k.parenR);case 59:return++this.pos,this.finishToken(k.semi);case 44:return++this.pos,this.finishToken(k.comma);case 91:return++this.pos,this.finishToken(k.bracketL);case 93:return++this.pos,this.finishToken(k.bracketR);case 123:return++this.pos,this.finishToken(k.braceL);case 125:return++this.pos,this.finishToken(k.braceR);case 58:return++this.pos,this.finishToken(k.colon);case 63:return++this.pos,this.finishToken(k.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(k.backQuote);case 48:var t=this.input.charCodeAt(this.pos+1);if(120===t||88===t)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===t||79===t)return this.readRadixNumber(8);if(98===t||66===t)return this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(e);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(e);case 124:case 38:return this.readToken_pipe_amp(e);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(e);case 60:case 62:return this.readToken_lt_gt(e);case 61:case 33:return this.readToken_eq_excl(e);case 126:return this.finishOp(k.prefix,1)}this.raise(this.pos,"Unexpected character '"+Ce(e)+"'")},Ee.finishOp=function(e,t){var r=this.input.slice(this.pos,this.pos+t);return this.pos+=t,this.finishToken(e,r)},Ee.readRegexp=function(){for(var e,t,r=this.pos;;){this.pos>=this.input.length&&this.raise(r,"Unterminated regular expression");var i=this.input.charAt(this.pos);if(w.test(i)&&this.raise(r,"Unterminated regular expression"),e)e=!1;else{if("["===i)t=!0;else if("]"===i&&t)t=!1;else if("/"===i&&!t)break;e="\\"===i}++this.pos}var n=this.input.slice(r,this.pos);++this.pos;var s=this.pos,a=this.readWord1();this.containsEsc&&this.unexpected(s);var o=this.regexpState||(this.regexpState=new fe(this));o.reset(r,n,a),this.validateRegExpFlags(o),this.validateRegExpPattern(o);var c=null;try{c=new RegExp(n,a)}catch(h){}return this.finishToken(k.regexp,{pattern:n,flags:a,value:c})},Ee.readInt=function(e,t){for(var r=this.pos,i=0,n=0,s=null==t?1/0:t;n=97?o-97+10:o>=65?o-65+10:o>=48&&o<=57?o-48:1/0)>=e)break;++this.pos,i=i*e+a}return this.pos===r||null!=t&&this.pos-r!==t?null:i},Ee.readRadixNumber=function(e){var t=this.pos;this.pos+=2;var r=this.readInt(e);return null==r&&this.raise(this.start+2,"Expected number in radix "+e),this.options.ecmaVersion>=11&&110===this.input.charCodeAt(this.pos)?(r="undefined"!=typeof BigInt?BigInt(this.input.slice(t,this.pos)):null,++this.pos):f(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(k.num,r)},Ee.readNumber=function(e){var t=this.pos;e||null!==this.readInt(10)||this.raise(t,"Invalid number");var r=this.pos-t>=2&&48===this.input.charCodeAt(t);r&&this.strict&&this.raise(t,"Invalid number"),r&&/[89]/.test(this.input.slice(t,this.pos))&&(r=!1);var i=this.input.charCodeAt(this.pos);if(!r&&!e&&this.options.ecmaVersion>=11&&110===i){var n=this.input.slice(t,this.pos),s="undefined"!=typeof BigInt?BigInt(n):null;return++this.pos,f(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(k.num,s)}46!==i||r||(++this.pos,this.readInt(10),i=this.input.charCodeAt(this.pos)),69!==i&&101!==i||r||(43!==(i=this.input.charCodeAt(++this.pos))&&45!==i||++this.pos,null===this.readInt(10)&&this.raise(t,"Invalid number")),f(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(t,this.pos),o=r?parseInt(a,8):parseFloat(a);return this.finishToken(k.num,o)},Ee.readCodePoint=function(){var e;if(123===this.input.charCodeAt(this.pos)){this.options.ecmaVersion<6&&this.unexpected();var t=++this.pos;e=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,e>1114111&&this.invalidStringToken(t,"Code point out of bounds")}else e=this.readHexChar(4);return e},Ee.readString=function(e){for(var t="",r=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var i=this.input.charCodeAt(this.pos);if(i===e)break;92===i?(t+=this.input.slice(r,this.pos),t+=this.readEscapedChar(!1),r=this.pos):(E(i,this.options.ecmaVersion>=10)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return t+=this.input.slice(r,this.pos++),this.finishToken(k.string,t)};var Ie={};Ee.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(e){if(e!==Ie)throw e;this.readInvalidTemplateToken()}this.inTemplateElement=!1},Ee.invalidStringToken=function(e,t){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw Ie;this.raise(e,t)},Ee.readTmplToken=function(){for(var e="",t=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated template");var r=this.input.charCodeAt(this.pos);if(96===r||36===r&&123===this.input.charCodeAt(this.pos+1))return this.pos!==this.start||this.type!==k.template&&this.type!==k.invalidTemplate?(e+=this.input.slice(t,this.pos),this.finishToken(k.template,e)):36===r?(this.pos+=2,this.finishToken(k.dollarBraceL)):(++this.pos,this.finishToken(k.backQuote));if(92===r)e+=this.input.slice(t,this.pos),e+=this.readEscapedChar(!0),t=this.pos;else if(E(r)){switch(e+=this.input.slice(t,this.pos),++this.pos,r){case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:e+="\n";break;default:e+=String.fromCharCode(r)}this.options.locations&&(++this.curLine,this.lineStart=this.pos),t=this.pos}else++this.pos}},Ee.readInvalidTemplateToken=function(){for(;this.pos=48&&t<=55){var r=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],i=parseInt(r,8);return i>255&&(r=r.slice(0,-1),i=parseInt(r,8)),this.pos+=r.length-1,t=this.input.charCodeAt(this.pos),"0"===r&&56!==t&&57!==t||!this.strict&&!e||this.invalidStringToken(this.pos-1-r.length,e?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(i)}return E(t)?"":String.fromCharCode(t)}},Ee.readHexChar=function(e){var t=this.pos,r=this.readInt(16,e);return null===r&&this.invalidStringToken(t,"Bad character escape sequence"),r},Ee.readWord1=function(){this.containsEsc=!1;for(var e="",t=!0,r=this.pos,i=this.options.ecmaVersion>=6;this.pos