function name parsing (v3)

Revision 3 of this benchmark created on October 5, 2023

Setup

module = { exports: {} };
var le=Object.defineProperty;var lt=Object.getOwnPropertyDescriptor;var pt=Object.getOwnPropertyNames;var ft=Object.prototype.hasOwnProperty;var dt=(e,t)=>{for(var i in t)le(e,i,{get:t[i],enumerable:!0})},xt=(e,t,i,s)=>{if(t&&typeof t=="object"||typeof t=="function")for(let r of pt(t))!ft.call(e,r)&&r!==i&&le(e,r,{get:()=>t[r],enumerable:!(s=lt(t,r))||s.enumerable});return e};var mt=e=>xt(le({},"__esModule",{value:!0}),e);var $t={};dt($t,{Node:()=>$,Parser:()=>b,Position:()=>H,SourceLocation:()=>Z,TokContext:()=>E,Token:()=>ce,TokenType:()=>v,defaultOptions:()=>se,getLineInfo:()=>ge,isIdentifierChar:()=>M,isIdentifierStart:()=>N,isNewLine:()=>U,keywordTypes:()=>ue,lineBreak:()=>k,lineBreakG:()=>Ve,nonASCIIwhitespace:()=>ve,parse:()=>Xt,parseExpressionAt:()=>Zt,tokContexts:()=>g,tokTypes:()=>a,tokenizer:()=>Jt,version:()=>ct});module.exports=mt($t);var vt=[509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,370,1,81,2,71,10,50,3,123,2,54,14,32,10,3,1,11,3,46,10,8,0,46,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,2,11,83,11,7,0,3,0,158,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,71,5,2,1,3,3,2,0,2,1,13,9,120,6,3,6,4,0,29,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,10,1,2,0,49,6,4,4,14,9,5351,0,7,14,13835,9,87,9,39,4,60,6,26,9,1014,0,2,54,8,3,82,0,12,1,19628,1,4706,45,3,22,543,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,101,0,161,6,10,9,357,0,62,13,499,13,983,6,110,6,6,9,4759,9,787719,239],Pe=[0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,13,10,2,14,2,6,2,1,2,10,2,14,2,6,2,1,68,310,10,21,11,7,25,5,2,41,2,8,70,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,349,41,7,1,79,28,11,0,9,21,43,17,47,20,28,22,13,52,58,1,3,0,14,44,33,24,27,35,30,0,3,0,9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,20,1,64,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,38,6,186,43,117,63,32,7,3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,19,72,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,16,0,2,12,2,33,125,0,80,921,103,110,18,195,2637,96,16,1071,18,5,4026,582,8634,568,8,30,18,78,18,29,19,47,17,3,32,20,6,18,689,63,129,74,6,0,67,12,65,1,2,0,29,6135,9,1237,43,8,8936,3,2,6,2,1,2,290,16,0,30,2,3,0,15,3,9,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,1845,30,7,5,262,61,147,44,11,6,17,0,322,29,19,43,485,27,757,6,2,3,2,1,2,14,2,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42719,33,4153,7,221,3,5761,15,7472,3104,541,1507,4938,6,4191],gt="\u200C\u200D\xB7\u0300-\u036F\u0387\u0483-\u0487\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u0669\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u06F0-\u06F9\u0711\u0730-\u074A\u07A6-\u07B0\u07C0-\u07C9\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u0898-\u089F\u08CA-\u08E1\u08E3-\u0903\u093A-\u093C\u093E-\u094F\u0951-\u0957\u0962\u0963\u0966-\u096F\u0981-\u0983\u09BC\u09BE-\u09C4\u09C7\u09C8\u09CB-\u09CD\u09D7\u09E2\u09E3\u09E6-\u09EF\u09FE\u0A01-\u0A03\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A66-\u0A71\u0A75\u0A81-\u0A83\u0ABC\u0ABE-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AE2\u0AE3\u0AE6-\u0AEF\u0AFA-\u0AFF\u0B01-\u0B03\u0B3C\u0B3E-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B55-\u0B57\u0B62\u0B63\u0B66-\u0B6F\u0B82\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD7\u0BE6-\u0BEF\u0C00-\u0C04\u0C3C\u0C3E-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C66-\u0C6F\u0C81-\u0C83\u0CBC\u0CBE-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CE2\u0CE3\u0CE6-\u0CEF\u0CF3\u0D00-\u0D03\u0D3B\u0D3C\u0D3E-\u0D44\u0D46-\u0D48\u0D4A-\u0D4D\u0D57\u0D62\u0D63\u0D66-\u0D6F\u0D81-\u0D83\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0E50-\u0E59\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECE\u0ED0-\u0ED9\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E\u0F3F\u0F71-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102B-\u103E\u1040-\u1049\u1056-\u1059\u105E-\u1060\u1062-\u1064\u1067-\u106D\u1071-\u1074\u1082-\u108D\u108F-\u109D\u135D-\u135F\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4-\u17D3\u17DD\u17E0-\u17E9\u180B-\u180D\u180F-\u1819\u18A9\u1920-\u192B\u1930-\u193B\u1946-\u194F\u19D0-\u19DA\u1A17-\u1A1B\u1A55-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AB0-\u1ABD\u1ABF-\u1ACE\u1B00-\u1B04\u1B34-\u1B44\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1B82\u1BA1-\u1BAD\u1BB0-\u1BB9\u1BE6-\u1BF3\u1C24-\u1C37\u1C40-\u1C49\u1C50-\u1C59\u1CD0-\u1CD2\u1CD4-\u1CE8\u1CED\u1CF4\u1CF7-\u1CF9\u1DC0-\u1DFF\u203F\u2040\u2054\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302F\u3099\u309A\uA620-\uA629\uA66F\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA823-\uA827\uA82C\uA880\uA881\uA8B4-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F1\uA8FF-\uA909\uA926-\uA92D\uA947-\uA953\uA980-\uA983\uA9B3-\uA9C0\uA9D0-\uA9D9\uA9E5\uA9F0-\uA9F9\uAA29-\uAA36\uAA43\uAA4C\uAA4D\uAA50-\uAA59\uAA7B-\uAA7D\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEB-\uAAEF\uAAF5\uAAF6\uABE3-\uABEA\uABEC\uABED\uABF0-\uABF9\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFF10-\uFF19\uFF3F",Ne="\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C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this.labels.push({name:t,kind:o,statementStart:this.start}),e.body=this.parseStatement(s?s.indexOf("label")===-1?s+"label":s:"label"),this.labels.pop(),e.label=i,this.finishNode(e,"LabeledStatement")};l.parseExpressionStatement=function(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")};l.parseBlock=function(e,t,i){for(e===void 0&&(e=!0),t===void 0&&(t=this.startNode()),t.body=[],this.expect(a.braceL),e&&this.enterScope(0);this.type!==a.braceR;){var s=this.parseStatement(null);t.body.push(s)}return i&&(this.strict=!1),this.next(),e&&this.exitScope(),this.finishNode(t,"BlockStatement")};l.parseFor=function(e,t){return e.init=t,this.expect(a.semi),e.test=this.type===a.semi?null:this.parseExpression(),this.expect(a.semi),e.update=this.type===a.parenR?null:this.parseExpression(),this.expect(a.parenR),e.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(e,"ForStatement")};l.parseForIn=function(e,t){var i=this.type===a._in;return this.next(),t.type==="VariableDeclaration"&&t.declarations[0].init!=null&&(!i||this.options.ecmaVersion<8||this.strict||t.kind!=="var"||t.declarations[0].id.type!=="Identifier")&&this.raise(t.start,(i?"for-in":"for-of")+" loop variable declaration may not have an initializer"),e.left=t,e.right=i?this.parseExpression():this.parseMaybeAssign(),this.expect(a.parenR),e.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(e,i?"ForInStatement":"ForOfStatement")};l.parseVar=function(e,t,i,s){for(e.declarations=[],e.kind=i;;){var r=this.startNode();if(this.parseVarId(r,i),this.eat(a.eq)?r.init=this.parseMaybeAssign(t):!s&&i==="const"&&!(this.type===a._in||this.options.ecmaVersion>=6&&this.isContextual("of"))?this.unexpected():!s&&r.id.type!=="Identifier"&&!(t&&(this.type===a._in||this.isContextual("of")))?this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value"):r.init=null,e.declarations.push(this.finishNode(r,"VariableDeclarator")),!this.eat(a.comma))break}return e};l.parseVarId=function(e,t){e.id=this.parseBindingAtom(),this.checkLValPattern(e.id,t==="var"?ke:R,!1)};var Q=1,me=2,qe=4;l.parseFunction=function(e,t,i,s,r){this.initFunction(e),(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!s)&&(this.type===a.star&&t&me&&this.unexpected(),e.generator=this.eat(a.star)),this.options.ecmaVersion>=8&&(e.async=!!s),t&Q&&(e.id=t&qe&&this.type!==a.name?null:this.parseIdent(),e.id&&!(t&me)&&this.checkLValSimple(e.id,this.strict||e.generator||e.async?this.treatFunctionsAsVar?ke:R:De));var n=this.yieldPos,u=this.awaitPos,o=this.awaitIdentPos;return this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(Ce(e.async,e.generator)),t&Q||(e.id=this.type===a.name?this.parseIdent():null),this.parseFunctionParams(e),this.parseFunctionBody(e,i,!1,r),this.yieldPos=n,this.awaitPos=u,this.awaitIdentPos=o,this.finishNode(e,t&Q?"FunctionDeclaration":"FunctionExpression")};l.parseFunctionParams=function(e){this.expect(a.parenL),e.params=this.parseBindingList(a.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()};l.parseClass=function(e,t){this.next();var i=this.strict;this.strict=!0,this.parseClassId(e,t),this.parseClassSuper(e);var s=this.enterClassBody(),r=this.startNode(),n=!1;for(r.body=[],this.expect(a.braceL);this.type!==a.braceR;){var u=this.parseClassElement(e.superClass!==null);u&&(r.body.push(u),u.type==="MethodDefinition"&&u.kind==="constructor"?(n&&this.raiseRecoverable(u.start,"Duplicate constructor in the same class"),n=!0):u.key&&u.key.type==="PrivateIdentifier"&&Vt(s,u)&&this.raiseRecoverable(u.key.start,"Identifier '#"+u.key.name+"' has already been declared"))}return this.strict=i,this.next(),e.body=this.finishNode(r,"ClassBody"),this.exitClassBody(),this.finishNode(e,t?"ClassDeclaration":"ClassExpression")};l.parseClassElement=function(e){if(this.eat(a.semi))return null;var t=this.options.ecmaVersion,i=this.startNode(),s="",r=!1,n=!1,u="method",o=!1;if(this.eatContextual("static")){if(t>=13&&this.eat(a.braceL))return this.parseClassStaticBlock(i),i;this.isClassElementNameStart()||this.type===a.star?o=!0:s="static"}if(i.static=o,!s&&t>=8&&this.eatContextual("async")&&((this.isClassElementNameStart()||this.type===a.star)&&!this.canInsertSemicolon()?n=!0:s="async"),!s&&(t>=9||!n)&&this.eat(a.star)&&(r=!0),!s&&!n&&!r){var h=this.value;(this.eatContextual("get")||this.eatContextual("set"))&&(this.isClassElementNameStart()?u=h:s=h)}if(s?(i.computed=!1,i.key=this.startNodeAt(this.lastTokStart,this.lastTokStartLoc),i.key.name=s,this.finishNode(i.key,"Identifier")):this.parseClassElementName(i),t<13||this.type===a.parenL||u!=="method"||r||n){var f=!i.static&&re(i,"constructor"),d=f&&e;f&&u!=="method"&&this.raise(i.key.start,"Constructor can't have get/set modifier"),i.kind=f?"constructor":u,this.parseClassMethod(i,r,n,d)}else this.parseClassField(i);return i};l.isClassElementNameStart=function(){return this.type===a.name||this.type===a.privateId||this.type===a.num||this.type===a.string||this.type===a.bracketL||this.type.keyword};l.parseClassElementName=function(e){this.type===a.privateId?(this.value==="constructor"&&this.raise(this.start,"Classes can't have an element named '#constructor'"),e.computed=!1,e.key=this.parsePrivateIdent()):this.parsePropertyName(e)};l.parseClassMethod=function(e,t,i,s){var r=e.key;e.kind==="constructor"?(t&&this.raise(r.start,"Constructor can't be a generator"),i&&this.raise(r.start,"Constructor can't be an async method")):e.static&&re(e,"prototype")&&this.raise(r.start,"Classes may not have a static property named prototype");var n=e.value=this.parseMethod(t,i,s);return e.kind==="get"&&n.params.length!==0&&this.raiseRecoverable(n.start,"getter should have no params"),e.kind==="set"&&n.params.length!==1&&this.raiseRecoverable(n.start,"setter should have exactly one param"),e.kind==="set"&&n.params[0].type==="RestElement"&&this.raiseRecoverable(n.params[0].start,"Setter cannot use rest params"),this.finishNode(e,"MethodDefinition")};l.parseClassField=function(e){if(re(e,"constructor")?this.raise(e.key.start,"Classes can't have a field named 'constructor'"):e.static&&re(e,"prototype")&&this.raise(e.key.start,"Classes can't have a static field named 'prototype'"),this.eat(a.eq)){var t=this.currentThisScope(),i=t.inClassFieldInit;t.inClassFieldInit=!0,e.value=this.parseMaybeAssign(),t.inClassFieldInit=i}else e.value=null;return this.semicolon(),this.finishNode(e,"PropertyDefinition")};l.parseClassStaticBlock=function(e){e.body=[];var t=this.labels;for(this.labels=[],this.enterScope(J|ye);this.type!==a.braceR;){var i=this.parseStatement(null);e.body.push(i)}return this.next(),this.exitScope(),this.labels=t,this.finishNode(e,"StaticBlock")};l.parseClassId=function(e,t){this.type===a.name?(e.id=this.parseIdent(),t&&this.checkLValSimple(e.id,R,!1)):(t===!0&&this.unexpected(),e.id=null)};l.parseClassSuper=function(e){e.superClass=this.eat(a._extends)?this.parseExprSubscripts(null,!1):null};l.enterClassBody=function(){var e={declared:Object.create(null),used:[]};return this.privateNameStack.push(e),e.declared};l.exitClassBody=function(){var e=this.privateNameStack.pop(),t=e.declared,i=e.used;if(this.options.checkPrivateFields)for(var s=this.privateNameStack.length,r=s===0?null:this.privateNameStack[s-1],n=0;n<i.length;++n){var u=i[n];X(t,u.name)||(r?r.used.push(u):this.raiseRecoverable(u.start,"Private field '#"+u.name+"' must be declared in an enclosing class"))}};function Vt(e,t){var i=t.key.name,s=e[i],r="true";return t.type==="MethodDefinition"&&(t.kind==="get"||t.kind==="set")&&(r=(t.static?"s":"i")+t.kind),s==="iget"&&r==="iset"||s==="iset"&&r==="iget"||s==="sget"&&r==="sset"||s==="sset"&&r==="sget"?(e[i]="true",!1):s?!0:(e[i]=r,!1)}function re(e,t){var i=e.computed,s=e.key;return!i&&(s.type==="Identifier"&&s.name===t||s.type==="Literal"&&s.value===t)}l.parseExportAllDeclaration=function(e,t){return this.options.ecmaVersion>=11&&(this.eatContextual("as")?(e.exported=this.parseModuleExportName(),this.checkExport(t,e.exported,this.lastTokStart)):e.exported=null),this.expectContextual("from"),this.type!==a.string&&this.unexpected(),e.source=this.parseExprAtom(),this.semicolon(),this.finishNode(e,"ExportAllDeclaration")};l.parseExport=function(e,t){if(this.next(),this.eat(a.star))return this.parseExportAllDeclaration(e,t);if(this.eat(a._default))return this.checkExport(t,"default",this.lastTokStart),e.declaration=this.parseExportDefaultDeclaration(),this.finishNode(e,"ExportDefaultDeclaration");if(this.shouldParseExportStatement())e.declaration=this.parseExportDeclaration(e),e.declaration.type==="VariableDeclaration"?this.checkVariableExport(t,e.declaration.declarations):this.checkExport(t,e.declaration.id,e.declaration.id.start),e.specifiers=[],e.source=null;else{if(e.declaration=null,e.specifiers=this.parseExportSpecifiers(t),this.eatContextual("from"))this.type!==a.string&&this.unexpected(),e.source=this.parseExprAtom();else{for(var i=0,s=e.specifiers;i<s.length;i+=1){var r=s[i];this.checkUnreserved(r.local),this.checkLocalExport(r.local),r.local.type==="Literal"&&this.raise(r.local.start,"A string literal cannot be used as an exported binding without `from`.")}e.source=null}this.semicolon()}return this.finishNode(e,"ExportNamedDeclaration")};l.parseExportDeclaration=function(e){return this.parseStatement(null)};l.parseExportDefaultDeclaration=function(){var e;if(this.type===a._function||(e=this.isAsyncFunction())){var t=this.startNode();return this.next(),e&&this.next(),this.parseFunction(t,Q|qe,!1,e)}else if(this.type===a._class){var i=this.startNode();return this.parseClass(i,"nullableID")}else{var s=this.parseMaybeAssign();return this.semicolon(),s}};l.checkExport=function(e,t,i){e&&(typeof t!="string"&&(t=t.type==="Identifier"?t.name:t.value),X(e,t)&&this.raiseRecoverable(i,"Duplicate export '"+t+"'"),e[t]=!0)};l.checkPatternExport=function(e,t){var i=t.type;if(i==="Identifier")this.checkExport(e,t,t.start);else if(i==="ObjectPattern")for(var s=0,r=t.properties;s<r.length;s+=1){var n=r[s];this.checkPatternExport(e,n)}else if(i==="ArrayPattern")for(var u=0,o=t.elements;u<o.length;u+=1){var h=o[u];h&&this.checkPatternExport(e,h)}else i==="Property"?this.checkPatternExport(e,t.value):i==="AssignmentPattern"?this.checkPatternExport(e,t.left):i==="RestElement"?this.checkPatternExport(e,t.argument):i==="ParenthesizedExpression"&&this.checkPatternExport(e,t.expression)};l.checkVariableExport=function(e,t){if(e)for(var i=0,s=t;i<s.length;i+=1){var r=s[i];this.checkPatternExport(e,r.id)}};l.shouldParseExportStatement=function(){return this.type.keyword==="var"||this.type.keyword==="const"||this.type.keyword==="class"||this.type.keyword==="function"||this.isLet()||this.isAsyncFunction()};l.parseExportSpecifier=function(e){var t=this.startNode();return t.local=this.parseModuleExportName(),t.exported=this.eatContextual("as")?this.parseModuleExportName():t.local,this.checkExport(e,t.exported,t.exported.start),this.finishNode(t,"ExportSpecifier")};l.parseExportSpecifiers=function(e){var t=[],i=!0;for(this.expect(a.braceL);!this.eat(a.braceR);){if(i)i=!1;else if(this.expect(a.comma),this.afterTrailingComma(a.braceR))break;t.push(this.parseExportSpecifier(e))}return t};l.parseImport=function(e){return this.next(),this.type===a.string?(e.specifiers=Nt,e.source=this.parseExprAtom()):(e.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),e.source=this.type===a.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(e,"ImportDeclaration")};l.parseImportSpecifier=function(){var e=this.startNode();return e.imported=this.parseModuleExportName(),this.eatContextual("as")?e.local=this.parseIdent():(this.checkUnreserved(e.imported),e.local=e.imported),this.checkLValSimple(e.local,R),this.finishNode(e,"ImportSpecifier")};l.parseImportDefaultSpecifier=function(){var e=this.startNode();return e.local=this.parseIdent(),this.checkLValSimple(e.local,R),this.finishNode(e,"ImportDefaultSpecifier")};l.parseImportNamespaceSpecifier=function(){var e=this.startNode();return this.next(),this.expectContextual("as"),e.local=this.parseIdent(),this.checkLValSimple(e.local,R),this.finishNode(e,"ImportNamespaceSpecifier")};l.parseImportSpecifiers=function(){var e=[],t=!0;if(this.type===a.name&&(e.push(this.parseImportDefaultSpecifier()),!this.eat(a.comma)))return e;if(this.type===a.star)return e.push(this.parseImportNamespaceSpecifier()),e;for(this.expect(a.braceL);!this.eat(a.braceR);){if(t)t=!1;else if(this.expect(a.comma),this.afterTrailingComma(a.braceR))break;e.push(this.parseImportSpecifier())}return e};l.parseModuleExportName=function(){if(this.options.ecmaVersion>=13&&this.type===a.string){var e=this.parseLiteral(this.value);return wt.test(e.value)&&this.raise(e.start,"An export name cannot include a lone surrogate."),e}return this.parseIdent(!0)};l.adaptDirectivePrologue=function(e){for(var t=0;t<e.length&&this.isDirectiveCandidate(e[t]);++t)e[t].directive=e[t].expression.raw.slice(1,-1)};l.isDirectiveCandidate=function(e){return this.options.ecmaVersion>=5&&e.type==="ExpressionStatement"&&e.expression.type==="Literal"&&typeof e.expression.value=="string"&&(this.input[e.start]==='"'||this.input[e.start]==="'")};var P=b.prototype;P.toAssignable=function(e,t,i){if(this.options.ecmaVersion>=6&&e)switch(e.type){case"Identifier":this.inAsync&&e.name==="await"&&this.raise(e.start,"Cannot use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":case"RestElement":break;case"ObjectExpression":e.type="ObjectPattern",i&&this.checkPatternErrors(i,!0);for(var s=0,r=e.properties;s<r.length;s+=1){var n=r[s];this.toAssignable(n,t),n.type==="RestElement"&&(n.argument.type==="ArrayPattern"||n.argument.type==="ObjectPattern")&&this.raise(n.argument.start,"Unexpected token")}break;case"Property":e.kind!=="init"&&this.raise(e.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(e.value,t);break;case"ArrayExpression":e.type="ArrayPattern",i&&this.checkPatternErrors(i,!0),this.toAssignableList(e.elements,t);break;case"SpreadElement":e.type="RestElement",this.toAssignable(e.argument,t),e.argument.type==="AssignmentPattern"&&this.raise(e.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":e.operator!=="="&&this.raise(e.left.end,"Only '=' operator can be used for specifying default value."),e.type="AssignmentPattern",delete e.operator,this.toAssignable(e.left,t);break;case"ParenthesizedExpression":this.toAssignable(e.expression,t,i);break;case"ChainExpression":this.raiseRecoverable(e.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":if(!t)break;default:this.raise(e.start,"Assigning to rvalue")}else i&&this.checkPatternErrors(i,!0);return e};P.toAssignableList=function(e,t){for(var i=e.length,s=0;s<i;s++){var r=e[s];r&&this.toAssignable(r,t)}if(i){var n=e[i-1];this.options.ecmaVersion===6&&t&&n&&n.type==="RestElement"&&n.argument.type!=="Identifier"&&this.unexpected(n.argument.start)}return e};P.parseSpread=function(e){var t=this.startNode();return this.next(),t.argument=this.parseMaybeAssign(!1,e),this.finishNode(t,"SpreadElement")};P.parseRestBinding=function(){var e=this.startNode();return this.next(),this.options.ecmaVersion===6&&this.type!==a.name&&this.unexpected(),e.argument=this.parseBindingAtom(),this.finishNode(e,"RestElement")};P.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case a.bracketL:var e=this.startNode();return this.next(),e.elements=this.parseBindingList(a.bracketR,!0,!0),this.finishNode(e,"ArrayPattern");case a.braceL:return this.parseObj(!0)}return this.parseIdent()};P.parseBindingList=function(e,t,i,s){for(var r=[],n=!0;!this.eat(e);)if(n?n=!1:this.expect(a.comma),t&&this.type===a.comma)r.push(null);else{if(i&&this.afterTrailingComma(e))break;if(this.type===a.ellipsis){var u=this.parseRestBinding();this.parseBindingListItem(u),r.push(u),this.type===a.comma&&this.raiseRecoverable(this.start,"Comma is not permitted after the rest element"),this.expect(e);break}else r.push(this.parseAssignableListItem(s))}return r};P.parseAssignableListItem=function(e){var t=this.parseMaybeDefault(this.start,this.startLoc);return this.parseBindingListItem(t),t};P.parseBindingListItem=function(e){return e};P.parseMaybeDefault=function(e,t,i){if(i=i||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(a.eq))return i;var s=this.startNodeAt(e,t);return s.left=i,s.right=this.parseMaybeAssign(),this.finishNode(s,"AssignmentPattern")};P.checkLValSimple=function(e,t,i){t===void 0&&(t=ae);var s=t!==ae;switch(e.type){case"Identifier":this.strict&&this.reservedWordsStrictBind.test(e.name)&&this.raiseRecoverable(e.start,(s?"Binding ":"Assigning to ")+e.name+" in strict mode"),s&&(t===R&&e.name==="let"&&this.raiseRecoverable(e.start,"let is disallowed as a lexically bound name"),i&&(X(i,e.name)&&this.raiseRecoverable(e.start,"Argument name clash"),i[e.name]=!0),t!==Ue&&this.declareName(e.name,t,e.start));break;case"ChainExpression":this.raiseRecoverable(e.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":s&&this.raiseRecoverable(e.start,"Binding member expression");break;case"ParenthesizedExpression":return s&&this.raiseRecoverable(e.start,"Binding parenthesized expression"),this.checkLValSimple(e.expression,t,i);default:this.raise(e.start,(s?"Binding":"Assigning to")+" rvalue")}};P.checkLValPattern=function(e,t,i){switch(t===void 0&&(t=ae),e.type){case"ObjectPattern":for(var s=0,r=e.properties;s<r.length;s+=1){var n=r[s];this.checkLValInnerPattern(n,t,i)}break;case"ArrayPattern":for(var u=0,o=e.elements;u<o.length;u+=1){var h=o[u];h&&this.checkLValInnerPattern(h,t,i)}break;default:this.checkLValSimple(e,t,i)}};P.checkLValInnerPattern=function(e,t,i){switch(t===void 0&&(t=ae),e.type){case"Property":this.checkLValInnerPattern(e.value,t,i);break;case"AssignmentPattern":this.checkLValPattern(e.left,t,i);break;case"RestElement":this.checkLValPattern(e.argument,t,i);break;default:this.checkLValPattern(e,t,i)}};var E=function(t,i,s,r,n){this.token=t,this.isExpr=!!i,this.preserveSpace=!!s,this.override=r,this.generator=!!n},g={b_stat:new E("{",!1),b_expr:new E("{",!0),b_tmpl:new E("${",!1),p_stat:new E("(",!1),p_expr:new E("(",!0),q_tmpl:new E("`",!0,!0,function(e){return e.tryReadTemplateToken()}),f_stat:new E("function",!1),f_expr:new E("function",!0),f_expr_gen:new E("function",!0,!1,null,!0),f_gen:new E("function",!1,!1,null,!0)},z=b.prototype;z.initialContext=function(){return[g.b_stat]};z.curContext=function(){return this.context[this.context.length-1]};z.braceIsBlock=function(e){var t=this.curContext();return t===g.f_expr||t===g.f_stat?!0:e===a.colon&&(t===g.b_stat||t===g.b_expr)?!t.isExpr:e===a._return||e===a.name&&this.exprAllowed?k.test(this.input.slice(this.lastTokEnd,this.start)):e===a._else||e===a.semi||e===a.eof||e===a.parenR||e===a.arrow?!0:e===a.braceL?t===g.b_stat:e===a._var||e===a._const||e===a.name?!1:!this.exprAllowed};z.inGeneratorContext=function(){for(var e=this.context.length-1;e>=1;e--){var t=this.context[e];if(t.token==="function")return t.generator}return!1};z.updateContext=function(e){var t,i=this.type;i.keyword&&e===a.dot?this.exprAllowed=!1:(t=i.updateContext)?t.call(this,e):this.exprAllowed=i.beforeExpr};z.overrideContext=function(e){this.curContext()!==e&&(this.context[this.context.length-1]=e)};a.parenR.updateContext=a.braceR.updateContext=function(){if(this.context.length===1){this.exprAllowed=!0;return}var e=this.context.pop();e===g.b_stat&&this.curContext().token==="function"&&(e=this.context.pop()),this.exprAllowed=!e.isExpr};a.braceL.updateContext=function(e){this.context.push(this.braceIsBlock(e)?g.b_stat:g.b_expr),this.exprAllowed=!0};a.dollarBraceL.updateContext=function(){this.context.push(g.b_tmpl),this.exprAllowed=!0};a.parenL.updateContext=function(e){var t=e===a._if||e===a._for||e===a._with||e===a._while;this.context.push(t?g.p_stat:g.p_expr),this.exprAllowed=!0};a.incDec.updateContext=function(){};a._function.updateContext=a._class.updateContext=function(e){e.beforeExpr&&e!==a._else&&!(e===a.semi&&this.curContext()!==g.p_stat)&&!(e===a._return&&k.test(this.input.slice(this.lastTokEnd,this.start)))&&!((e===a.colon||e===a.braceL)&&this.curContext()===g.b_stat)?this.context.push(g.f_expr):this.context.push(g.f_stat),this.exprAllowed=!1};a.backQuote.updateContext=function(){this.curContext()===g.q_tmpl?this.context.pop():this.context.push(g.q_tmpl),this.exprAllowed=!1};a.star.updateContext=function(e){if(e===a._function){var t=this.context.length-1;this.context[t]===g.f_expr?this.context[t]=g.f_expr_gen:this.context[t]=g.f_gen}this.exprAllowed=!0};a.name.updateContext=function(e){var t=!1;this.options.ecmaVersion>=6&&e!==a.dot&&(this.value==="of"&&!this.exprAllowed||this.value==="yield"&&this.inGeneratorContext())&&(t=!0),this.exprAllowed=t};var p=b.prototype;p.checkPropClash=function(e,t,i){if(!(this.options.ecmaVersion>=9&&e.type==="SpreadElement")&&!(this.options.ecmaVersion>=6&&(e.computed||e.method||e.shorthand))){var s=e.key,r;switch(s.type){case"Identifier":r=s.name;break;case"Literal":r=String(s.value);break;default:return}var n=e.kind;if(this.options.ecmaVersion>=6){r==="__proto__"&&n==="init"&&(t.proto&&(i?i.doubleProto<0&&(i.doubleProto=s.start):this.raiseRecoverable(s.start,"Redefinition of __proto__ property")),t.proto=!0);return}r="$"+r;var u=t[r];if(u){var o;n==="init"?o=this.strict&&u.init||u.get||u.set:o=u.init||u[n],o&&this.raiseRecoverable(s.start,"Redefinition of property")}else u=t[r]={init:!1,get:!1,set:!1};u[n]=!0}};p.parseExpression=function(e,t){var i=this.start,s=this.startLoc,r=this.parseMaybeAssign(e,t);if(this.type===a.comma){var n=this.startNodeAt(i,s);for(n.expressions=[r];this.eat(a.comma);)n.expressions.push(this.parseMaybeAssign(e,t));return this.finishNode(n,"SequenceExpression")}return r};p.parseMaybeAssign=function(e,t,i){if(this.isContextual("yield")){if(this.inGenerator)return this.parseYield(e);this.exprAllowed=!1}var s=!1,r=-1,n=-1,u=-1;t?(r=t.parenthesizedAssign,n=t.trailingComma,u=t.doubleProto,t.parenthesizedAssign=t.trailingComma=-1):(t=new oe,s=!0);var o=this.start,h=this.startLoc;(this.type===a.parenL||this.type===a.name)&&(this.potentialArrowAt=this.start,this.potentialArrowInForAwait=e==="await");var f=this.parseMaybeConditional(e,t);if(i&&(f=i.call(this,f,o,h)),this.type.isAssign){var d=this.startNodeAt(o,h);return d.operator=this.value,this.type===a.eq&&(f=this.toAssignable(f,!1,t)),s||(t.parenthesizedAssign=t.trailingComma=t.doubleProto=-1),t.shorthandAssign>=f.start&&(t.shorthandAssign=-1),this.type===a.eq?this.checkLValPattern(f):this.checkLValSimple(f),d.left=f,this.next(),d.right=this.parseMaybeAssign(e),u>-1&&(t.doubleProto=u),this.finishNode(d,"AssignmentExpression")}else s&&this.checkExpressionErrors(t,!0);return r>-1&&(t.parenthesizedAssign=r),n>-1&&(t.trailingComma=n),f};p.parseMaybeConditional=function(e,t){var i=this.start,s=this.startLoc,r=this.parseExprOps(e,t);if(this.checkExpressionErrors(t))return r;if(this.eat(a.question)){var n=this.startNodeAt(i,s);return n.test=r,n.consequent=this.parseMaybeAssign(),this.expect(a.colon),n.alternate=this.parseMaybeAssign(e),this.finishNode(n,"ConditionalExpression")}return r};p.parseExprOps=function(e,t){var i=this.start,s=this.startLoc,r=this.parseMaybeUnary(t,!1,!1,e);return this.checkExpressionErrors(t)||r.start===i&&r.type==="ArrowFunctionExpression"?r:this.parseExprOp(r,i,s,-1,e)};p.parseExprOp=function(e,t,i,s,r){var n=this.type.binop;if(n!=null&&(!r||this.type!==a._in)&&n>s){var u=this.type===a.logicalOR||this.type===a.logicalAND,o=this.type===a.coalesce;o&&(n=a.logicalAND.binop);var h=this.value;this.next();var f=this.start,d=this.startLoc,y=this.parseExprOp(this.parseMaybeUnary(null,!1,!1,r),f,d,n,r),D=this.buildBinary(t,i,e,y,h,u||o);return(u&&this.type===a.coalesce||o&&(this.type===a.logicalOR||this.type===a.logicalAND))&&this.raiseRecoverable(this.start,"Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"),this.parseExprOp(D,t,i,s,r)}return e};p.buildBinary=function(e,t,i,s,r,n){s.type==="PrivateIdentifier"&&this.raise(s.start,"Private identifier can only be left side of binary expression");var u=this.startNodeAt(e,t);return u.left=i,u.operator=r,u.right=s,this.finishNode(u,n?"LogicalExpression":"BinaryExpression")};p.parseMaybeUnary=function(e,t,i,s){var r=this.start,n=this.startLoc,u;if(this.isContextual("await")&&this.canAwait)u=this.parseAwait(s),t=!0;else if(this.type.prefix){var o=this.startNode(),h=this.type===a.incDec;o.operator=this.value,o.prefix=!0,this.next(),o.argument=this.parseMaybeUnary(null,!0,h,s),this.checkExpressionErrors(e,!0),h?this.checkLValSimple(o.argument):this.strict&&o.operator==="delete"&&o.argument.type==="Identifier"?this.raiseRecoverable(o.start,"Deleting local variable in strict mode"):o.operator==="delete"&&je(o.argument)?this.raiseRecoverable(o.start,"Private fields can not be deleted"):t=!0,u=this.finishNode(o,h?"UpdateExpression":"UnaryExpression")}else if(!t&&this.type===a.privateId)(s||this.privateNameStack.length===0)&&this.options.checkPrivateFields&&this.unexpected(),u=this.parsePrivateIdent(),this.type!==a._in&&this.unexpected();else{if(u=this.parseExprSubscripts(e,s),this.checkExpressionErrors(e))return u;for(;this.type.postfix&&!this.canInsertSemicolon();){var f=this.startNodeAt(r,n);f.operator=this.value,f.prefix=!1,f.argument=u,this.checkLValSimple(u),this.next(),u=this.finishNode(f,"UpdateExpression")}}if(!i&&this.eat(a.starstar))if(t)this.unexpected(this.lastTokStart);else return this.buildBinary(r,n,u,this.parseMaybeUnary(null,!1,!1,s),"**",!1);else return u};function je(e){return e.type==="MemberExpression"&&e.property.type==="PrivateIdentifier"||e.type==="ChainExpression"&&je(e.expression)}p.parseExprSubscripts=function(e,t){var i=this.start,s=this.startLoc,r=this.parseExprAtom(e,t);if(r.type==="ArrowFunctionExpression"&&this.input.slice(this.lastTokStart,this.lastTokEnd)!==")")return r;var n=this.parseSubscripts(r,i,s,!1,t);return e&&n.type==="MemberExpression"&&(e.parenthesizedAssign>=n.start&&(e.parenthesizedAssign=-1),e.parenthesizedBind>=n.start&&(e.parenthesizedBind=-1),e.trailingComma>=n.start&&(e.trailingComma=-1)),n};p.parseSubscripts=function(e,t,i,s,r){for(var n=this.options.ecmaVersion>=8&&e.type==="Identifier"&&e.name==="async"&&this.lastTokEnd===e.end&&!this.canInsertSemicolon()&&e.end-e.start===5&&this.potentialArrowAt===e.start,u=!1;;){var o=this.parseSubscript(e,t,i,s,n,u,r);if(o.optional&&(u=!0),o===e||o.type==="ArrowFunctionExpression"){if(u){var h=this.startNodeAt(t,i);h.expression=o,o=this.finishNode(h,"ChainExpression")}return o}e=o}};p.shouldParseAsyncArrow=function(){return!this.canInsertSemicolon()&&this.eat(a.arrow)};p.parseSubscriptAsyncArrow=function(e,t,i,s){return this.parseArrowExpression(this.startNodeAt(e,t),i,!0,s)};p.parseSubscript=function(e,t,i,s,r,n,u){var o=this.options.ecmaVersion>=11,h=o&&this.eat(a.questionDot);s&&h&&this.raise(this.lastTokStart,"Optional chaining cannot appear in the callee of new expressions");var f=this.eat(a.bracketL);if(f||h&&this.type!==a.parenL&&this.type!==a.backQuote||this.eat(a.dot)){var d=this.startNodeAt(t,i);d.object=e,f?(d.property=this.parseExpression(),this.expect(a.bracketR)):this.type===a.privateId&&e.type!=="Super"?d.property=this.parsePrivateIdent():d.property=this.parseIdent(this.options.allowReserved!=="never"),d.computed=!!f,o&&(d.optional=h),e=this.finishNode(d,"MemberExpression")}else if(!s&&this.eat(a.parenL)){var y=new oe,D=this.yieldPos,K=this.awaitPos,q=this.awaitIdentPos;this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0;var te=this.parseExprList(a.parenR,this.options.ecmaVersion>=8,!1,y);if(r&&!h&&this.shouldParseAsyncArrow())return this.checkPatternErrors(y,!1),this.checkYieldAwaitInDefaultParams(),this.awaitIdentPos>0&&this.raise(this.awaitIdentPos,"Cannot use 'await' as identifier inside an async function"),this.yieldPos=D,this.awaitPos=K,this.awaitIdentPos=q,this.parseSubscriptAsyncArrow(t,i,te,u);this.checkExpressionErrors(y,!0),this.yieldPos=D||this.yieldPos,this.awaitPos=K||this.awaitPos,this.awaitIdentPos=q||this.awaitIdentPos;var j=this.startNodeAt(t,i);j.callee=e,j.arguments=te,o&&(j.optional=h),e=this.finishNode(j,"CallExpression")}else if(this.type===a.backQuote){(h||n)&&this.raise(this.start,"Optional chaining cannot appear in the tag of tagged template expressions");var G=this.startNodeAt(t,i);G.tag=e,G.quasi=this.parseTemplate({isTagged:!0}),e=this.finishNode(G,"TaggedTemplateExpression")}return e};p.parseExprAtom=function(e,t,i){this.type===a.slash&&this.readRegexp();var s,r=this.potentialArrowAt===this.start;switch(this.type){case a._super:return this.allowSuper||this.raise(this.start,"'super' keyword outside a method"),s=this.startNode(),this.next(),this.type===a.parenL&&!this.allowDirectSuper&&this.raise(s.start,"super() call outside constructor of a subclass"),this.type!==a.dot&&this.type!==a.bracketL&&this.type!==a.parenL&&this.unexpected(),this.finishNode(s,"Super");case a._this:return s=this.startNode(),this.next(),this.finishNode(s,"ThisExpression");case a.name:var n=this.start,u=this.startLoc,o=this.containsEsc,h=this.parseIdent(!1);if(this.options.ecmaVersion>=8&&!o&&h.name==="async"&&!this.canInsertSemicolon()&&this.eat(a._function))return this.overrideContext(g.f_expr),this.parseFunction(this.startNodeAt(n,u),0,!1,!0,t);if(r&&!this.canInsertSemicolon()){if(this.eat(a.arrow))return this.parseArrowExpression(this.startNodeAt(n,u),[h],!1,t);if(this.options.ecmaVersion>=8&&h.name==="async"&&this.type===a.name&&!o&&(!this.potentialArrowInForAwait||this.value!=="of"||this.containsEsc))return h=this.parseIdent(!1),(this.canInsertSemicolon()||!this.eat(a.arrow))&&this.unexpected(),this.parseArrowExpression(this.startNodeAt(n,u),[h],!0,t)}return h;case a.regexp:var f=this.value;return s=this.parseLiteral(f.value),s.regex={pattern:f.pattern,flags:f.flags},s;case a.num:case a.string:return this.parseLiteral(this.value);case a._null:case a._true:case a._false:return s=this.startNode(),s.value=this.type===a._null?null:this.type===a._true,s.raw=this.type.keyword,this.next(),this.finishNode(s,"Literal");case a.parenL:var d=this.start,y=this.parseParenAndDistinguishExpression(r,t);return e&&(e.parenthesizedAssign<0&&!this.isSimpleAssignTarget(y)&&(e.parenthesizedAssign=d),e.parenthesizedBind<0&&(e.parenthesizedBind=d)),y;case a.bracketL:return s=this.startNode(),this.next(),s.elements=this.parseExprList(a.bracketR,!0,!0,e),this.finishNode(s,"ArrayExpression");case a.braceL:return this.overrideContext(g.b_expr),this.parseObj(!1,e);case a._function:return s=this.startNode(),this.next(),this.parseFunction(s,0);case a._class:return this.parseClass(this.startNode(),!1);case a._new:return this.parseNew();case a.backQuote:return this.parseTemplate();case a._import:return this.options.ecmaVersion>=11?this.parseExprImport(i):this.unexpected();default:return this.parseExprAtomDefault()}};p.parseExprAtomDefault=function(){this.unexpected()};p.parseExprImport=function(e){var t=this.startNode();this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword import");var i=this.parseIdent(!0);if(this.type===a.parenL&&!e)return this.parseDynamicImport(t);if(this.type===a.dot)return t.meta=i,this.parseImportMeta(t);this.unexpected()};p.parseDynamicImport=function(e){if(this.next(),e.source=this.parseMaybeAssign(),!this.eat(a.parenR)){var t=this.start;this.eat(a.comma)&&this.eat(a.parenR)?this.raiseRecoverable(t,"Trailing comma is not allowed in import()"):this.unexpected(t)}return this.finishNode(e,"ImportExpression")};p.parseImportMeta=function(e){this.next();var t=this.containsEsc;return e.property=this.parseIdent(!0),e.property.name!=="meta"&&this.raiseRecoverable(e.property.start,"The only valid meta property for import is 'import.meta'"),t&&this.raiseRecoverable(e.start,"'import.meta' must not contain escaped characters"),this.options.sourceType!=="module"&&!this.options.allowImportExportEverywhere&&this.raiseRecoverable(e.start,"Cannot use 'import.meta' outside a module"),this.finishNode(e,"MetaProperty")};p.parseLiteral=function(e){var t=this.startNode();return t.value=e,t.raw=this.input.slice(this.start,this.end),t.raw.charCodeAt(t.raw.length-1)===110&&(t.bigint=t.raw.slice(0,-1).replace(/_/g,"")),this.next(),this.finishNode(t,"Literal")};p.parseParenExpression=function(){this.expect(a.parenL);var e=this.parseExpression();return this.expect(a.parenR),e};p.shouldParseArrow=function(e){return!this.canInsertSemicolon()};p.parseParenAndDistinguishExpression=function(e,t){var i=this.start,s=this.startLoc,r,n=this.options.ecmaVersion>=8;if(this.options.ecmaVersion>=6){this.next();var u=this.start,o=this.startLoc,h=[],f=!0,d=!1,y=new oe,D=this.yieldPos,K=this.awaitPos,q;for(this.yieldPos=0,this.awaitPos=0;this.type!==a.parenR;)if(f?f=!1:this.expect(a.comma),n&&this.afterTrailingComma(a.parenR,!0)){d=!0;break}else if(this.type===a.ellipsis){q=this.start,h.push(this.parseParenItem(this.parseRestBinding())),this.type===a.comma&&this.raiseRecoverable(this.start,"Comma is not permitted after the rest element");break}else h.push(this.parseMaybeAssign(!1,y,this.parseParenItem));var te=this.lastTokEnd,j=this.lastTokEndLoc;if(this.expect(a.parenR),e&&this.shouldParseArrow(h)&&this.eat(a.arrow))return this.checkPatternErrors(y,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=D,this.awaitPos=K,this.parseParenArrowList(i,s,h,t);(!h.length||d)&&this.unexpected(this.lastTokStart),q&&this.unexpected(q),this.checkExpressionErrors(y,!0),this.yieldPos=D||this.yieldPos,this.awaitPos=K||this.awaitPos,h.length>1?(r=this.startNodeAt(u,o),r.expressions=h,this.finishNodeAt(r,"SequenceExpression",te,j)):r=h[0]}else r=this.parseParenExpression();if(this.options.preserveParens){var G=this.startNodeAt(i,s);return G.expression=r,this.finishNode(G,"ParenthesizedExpression")}else return r};p.parseParenItem=function(e){return e};p.parseParenArrowList=function(e,t,i,s){return this.parseArrowExpression(this.startNodeAt(e,t),i,!1,s)};var Lt=[];p.parseNew=function(){this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword new");var e=this.startNode(),t=this.parseIdent(!0);if(this.options.ecmaVersion>=6&&this.eat(a.dot)){e.meta=t;var i=this.containsEsc;return e.property=this.parseIdent(!0),e.property.name!=="target"&&this.raiseRecoverable(e.property.start,"The only valid meta property for new is 'new.target'"),i&&this.raiseRecoverable(e.start,"'new.target' must not contain escaped characters"),this.allowNewDotTarget||this.raiseRecoverable(e.start,"'new.target' can only be used in functions and class static block"),this.finishNode(e,"MetaProperty")}var s=this.start,r=this.startLoc;return e.callee=this.parseSubscripts(this.parseExprAtom(null,!1,!0),s,r,!0,!1),this.eat(a.parenL)?e.arguments=this.parseExprList(a.parenR,this.options.ecmaVersion>=8,!1):e.arguments=Lt,this.finishNode(e,"NewExpression")};p.parseTemplateElement=function(e){var t=e.isTagged,i=this.startNode();return this.type===a.invalidTemplate?(t||this.raiseRecoverable(this.start,"Bad escape sequence in untagged template literal"),i.value={raw:this.value,cooked:null}):i.value={raw:this.input.slice(this.start,this.end).replace(/\r\n?/g,`
`),cooked:this.value},this.next(),i.tail=this.type===a.backQuote,this.finishNode(i,"TemplateElement")};p.parseTemplate=function(e){e===void 0&&(e={});var t=e.isTagged;t===void 0&&(t=!1);var i=this.startNode();this.next(),i.expressions=[];var s=this.parseTemplateElement({isTagged:t});for(i.quasis=[s];!s.tail;)this.type===a.eof&&this.raise(this.pos,"Unterminated template literal"),this.expect(a.dollarBraceL),i.expressions.push(this.parseExpression()),this.expect(a.braceR),i.quasis.push(s=this.parseTemplateElement({isTagged:t}));return this.next(),this.finishNode(i,"TemplateLiteral")};p.isAsyncProp=function(e){return!e.computed&&e.key.type==="Identifier"&&e.key.name==="async"&&(this.type===a.name||this.type===a.num||this.type===a.string||this.type===a.bracketL||this.type.keyword||this.options.ecmaVersion>=9&&this.type===a.star)&&!k.test(this.input.slice(this.lastTokEnd,this.start))};p.parseObj=function(e,t){var i=this.startNode(),s=!0,r={};for(i.properties=[],this.next();!this.eat(a.braceR);){if(s)s=!1;else if(this.expect(a.comma),this.options.ecmaVersion>=5&&this.afterTrailingComma(a.braceR))break;var n=this.parseProperty(e,t);e||this.checkPropClash(n,r,t),i.properties.push(n)}return this.finishNode(i,e?"ObjectPattern":"ObjectExpression")};p.parseProperty=function(e,t){var i=this.startNode(),s,r,n,u;if(this.options.ecmaVersion>=9&&this.eat(a.ellipsis))return e?(i.argument=this.parseIdent(!1),this.type===a.comma&&this.raiseRecoverable(this.start,"Comma is not permitted after the rest element"),this.finishNode(i,"RestElement")):(i.argument=this.parseMaybeAssign(!1,t),this.type===a.comma&&t&&t.trailingComma<0&&(t.trailingComma=this.start),this.finishNode(i,"SpreadElement"));this.options.ecmaVersion>=6&&(i.method=!1,i.shorthand=!1,(e||t)&&(n=this.start,u=this.startLoc),e||(s=this.eat(a.star)));var o=this.containsEsc;return this.parsePropertyName(i),!e&&!o&&this.options.ecmaVersion>=8&&!s&&this.isAsyncProp(i)?(r=!0,s=this.options.ecmaVersion>=9&&this.eat(a.star),this.parsePropertyName(i)):r=!1,this.parsePropertyValue(i,e,s,r,n,u,t,o),this.finishNode(i,"Property")};p.parseGetterSetter=function(e){e.kind=e.key.name,this.parsePropertyName(e),e.value=this.parseMethod(!1);var t=e.kind==="get"?0:1;if(e.value.params.length!==t){var i=e.value.start;e.kind==="get"?this.raiseRecoverable(i,"getter should have no params"):this.raiseRecoverable(i,"setter should have exactly one param")}else e.kind==="set"&&e.value.params[0].type==="RestElement"&&this.raiseRecoverable(e.value.params[0].start,"Setter cannot use rest params")};p.parsePropertyValue=function(e,t,i,s,r,n,u,o){(i||s)&&this.type===a.colon&&this.unexpected(),this.eat(a.colon)?(e.value=t?this.parseMaybeDefault(this.start,this.startLoc):this.parseMaybeAssign(!1,u),e.kind="init"):this.options.ecmaVersion>=6&&this.type===a.parenL?(t&&this.unexpected(),e.kind="init",e.method=!0,e.value=this.parseMethod(i,s)):!t&&!o&&this.options.ecmaVersion>=5&&!e.computed&&e.key.type==="Identifier"&&(e.key.name==="get"||e.key.name==="set")&&this.type!==a.comma&&this.type!==a.braceR&&this.type!==a.eq?((i||s)&&this.unexpected(),this.parseGetterSetter(e)):this.options.ecmaVersion>=6&&!e.computed&&e.key.type==="Identifier"?((i||s)&&this.unexpected(),this.checkUnreserved(e.key),e.key.name==="await"&&!this.awaitIdentPos&&(this.awaitIdentPos=r),e.kind="init",t?e.value=this.parseMaybeDefault(r,n,this.copyNode(e.key)):this.type===a.eq&&u?(u.shorthandAssign<0&&(u.shorthandAssign=this.start),e.value=this.parseMaybeDefault(r,n,this.copyNode(e.key))):e.value=this.copyNode(e.key),e.shorthand=!0):this.unexpected()};p.parsePropertyName=function(e){if(this.options.ecmaVersion>=6){if(this.eat(a.bracketL))return e.computed=!0,e.key=this.parseMaybeAssign(),this.expect(a.bracketR),e.key;e.computed=!1}return e.key=this.type===a.num||this.type===a.string?this.parseExprAtom():this.parseIdent(this.options.allowReserved!=="never")};p.initFunction=function(e){e.id=null,this.options.ecmaVersion>=6&&(e.generator=e.expression=!1),this.options.ecmaVersion>=8&&(e.async=!1)};p.parseMethod=function(e,t,i){var s=this.startNode(),r=this.yieldPos,n=this.awaitPos,u=this.awaitIdentPos;return this.initFunction(s),this.options.ecmaVersion>=6&&(s.generator=e),this.options.ecmaVersion>=8&&(s.async=!!t),this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(Ce(t,s.generator)|ye|(i?Fe:0)),this.expect(a.parenL),s.params=this.parseBindingList(a.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams(),this.parseFunctionBody(s,!1,!0,!1),this.yieldPos=r,this.awaitPos=n,this.awaitIdentPos=u,this.finishNode(s,"FunctionExpression")};p.parseArrowExpression=function(e,t,i,s){var r=this.yieldPos,n=this.awaitPos,u=this.awaitIdentPos;return this.enterScope(Ce(i,!1)|Oe),this.initFunction(e),this.options.ecmaVersion>=8&&(e.async=!!i),this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,e.params=this.toAssignableList(t,!0),this.parseFunctionBody(e,!0,!1,s),this.yieldPos=r,this.awaitPos=n,this.awaitIdentPos=u,this.finishNode(e,"ArrowFunctionExpression")};p.parseFunctionBody=function(e,t,i,s){var r=t&&this.type!==a.braceL,n=this.strict,u=!1;if(r)e.body=this.parseMaybeAssign(s),e.expression=!0,this.checkParams(e,!1);else{var o=this.options.ecmaVersion>=7&&!this.isSimpleParamList(e.params);(!n||o)&&(u=this.strictDirective(this.end),u&&o&&this.raiseRecoverable(e.start,"Illegal 'use strict' directive in function with non-simple parameter list"));var h=this.labels;this.labels=[],u&&(this.strict=!0),this.checkParams(e,!n&&!u&&!t&&!i&&this.isSimpleParamList(e.params)),this.strict&&e.id&&this.checkLValSimple(e.id,Ue),e.body=this.parseBlock(!1,void 0,u&&!n),e.expression=!1,this.adaptDirectivePrologue(e.body.body),this.labels=h}this.exitScope()};p.isSimpleParamList=function(e){for(var t=0,i=e;t<i.length;t+=1){var s=i[t];if(s.type!=="Identifier")return!1}return!0};p.checkParams=function(e,t){for(var i=Object.create(null),s=0,r=e.params;s<r.length;s+=1){var n=r[s];this.checkLValInnerPattern(n,ke,t?null:i)}};p.parseExprList=function(e,t,i,s){for(var r=[],n=!0;!this.eat(e);){if(n)n=!1;else if(this.expect(a.comma),t&&this.afterTrailingComma(e))break;var u=void 0;i&&this.type===a.comma?u=null:this.type===a.ellipsis?(u=this.parseSpread(s),s&&this.type===a.comma&&s.trailingComma<0&&(s.trailingComma=this.start)):u=this.parseMaybeAssign(!1,s),r.push(u)}return r};p.checkUnreserved=function(e){var t=e.start,i=e.end,s=e.name;if(this.inGenerator&&s==="yield"&&this.raiseRecoverable(t,"Cannot use 'yield' as identifier inside a generator"),this.inAsync&&s==="await"&&this.raiseRecoverable(t,"Cannot use 'await' as identifier inside an async function"),this.currentThisScope().inClassFieldInit&&s==="arguments"&&this.raiseRecoverable(t,"Cannot use 'arguments' in class field initializer"),this.inClassStaticBlock&&(s==="arguments"||s==="await")&&this.raise(t,"Cannot use "+s+" in class static initialization block"),this.keywords.test(s)&&this.raise(t,"Unexpected keyword '"+s+"'"),!(this.options.ecmaVersion<6&&this.input.slice(t,i).indexOf("\\")!==-1)){var r=this.strict?this.reservedWordsStrict:this.reservedWords;r.test(s)&&(!this.inAsync&&s==="await"&&this.raiseRecoverable(t,"Cannot use keyword 'await' outside an async function"),this.raiseRecoverable(t,"The keyword '"+s+"' is reserved"))}};p.parseIdent=function(e){var t=this.parseIdentNode();return this.next(!!e),this.finishNode(t,"Identifier"),e||(this.checkUnreserved(t),t.name==="await"&&!this.awaitIdentPos&&(this.awaitIdentPos=t.start)),t};p.parseIdentNode=function(){var e=this.startNode();return this.type===a.name?e.name=this.value:this.type.keyword?(e.name=this.type.keyword,(e.name==="class"||e.name==="function")&&(this.lastTokEnd!==this.lastTokStart+1||this.input.charCodeAt(this.lastTokStart)!==46)&&this.context.pop()):this.unexpected(),e};p.parsePrivateIdent=function(){var e=this.startNode();return this.type===a.privateId?e.name=this.value:this.unexpected(),this.next(),this.finishNode(e,"PrivateIdentifier"),this.options.checkPrivateFields&&(this.privateNameStack.length===0?this.raise(e.start,"Private field '#"+e.name+"' must be declared in an enclosing class"):this.privateNameStack[this.privateNameStack.length-1].used.push(e)),e};p.parseYield=function(e){this.yieldPos||(this.yieldPos=this.start);var t=this.startNode();return this.next(),this.type===a.semi||this.canInsertSemicolon()||this.type!==a.star&&!this.type.startsExpr?(t.delegate=!1,t.argument=null):(t.delegate=this.eat(a.star),t.argument=this.parseMaybeAssign(e)),this.finishNode(t,"YieldExpression")};p.parseAwait=function(e){this.awaitPos||(this.awaitPos=this.start);var t=this.startNode();return this.next(),t.argument=this.parseMaybeUnary(null,!0,!1,e),this.finishNode(t,"AwaitExpression")};var ne=b.prototype;ne.raise=function(e,t){var i=ge(this.input,e);t+=" ("+i.line+":"+i.column+")";var s=new SyntaxError(t);throw s.pos=e,s.loc=i,s.raisedAt=this.pos,s};ne.raiseRecoverable=ne.raise;ne.curPosition=function(){if(this.options.locations)return new H(this.curLine,this.pos-this.lineStart)};var F=b.prototype,Tt=function(t){this.flags=t,this.var=[],this.lexical=[],this.functions=[],this.inClassFieldInit=!1};F.enterScope=function(e){this.scopeStack.push(new Tt(e))};F.exitScope=function(){this.scopeStack.pop()};F.treatFunctionsAsVarInScope=function(e){return e.flags&W||!this.inModule&&e.flags&Y};F.declareName=function(e,t,i){var s=!1;if(t===R){var r=this.currentScope();s=r.lexical.indexOf(e)>-1||r.functions.indexOf(e)>-1||r.var.indexOf(e)>-1,r.lexical.push(e),this.inModule&&r.flags&Y&&delete this.undefinedExports[e]}else if(t===Me){var n=this.currentScope();n.lexical.push(e)}else if(t===De){var u=this.currentScope();this.treatFunctionsAsVar?s=u.lexical.indexOf(e)>-1:s=u.lexical.indexOf(e)>-1||u.var.indexOf(e)>-1,u.functions.push(e)}else for(var o=this.scopeStack.length-1;o>=0;--o){var h=this.scopeStack[o];if(h.lexical.indexOf(e)>-1&&!(h.flags&Be&&h.lexical[0]===e)||!this.treatFunctionsAsVarInScope(h)&&h.functions.indexOf(e)>-1){s=!0;break}if(h.var.push(e),this.inModule&&h.flags&Y&&delete this.undefinedExports[e],h.flags&_e)break}s&&this.raiseRecoverable(i,"Identifier '"+e+"' has already been 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r=s.indexOf("v")!==-1,n=s.indexOf("u")!==-1;this.start=t|0,this.source=i+"",this.flags=s,r&&this.parser.options.ecmaVersion>=15?(this.switchU=!0,this.switchV=!0,this.switchN=!0):(this.switchU=n&&this.parser.options.ecmaVersion>=6,this.switchV=!1,this.switchN=n&&this.parser.options.ecmaVersion>=9)};L.prototype.raise=function(t){this.parser.raiseRecoverable(this.start,"Invalid regular expression: /"+this.source+"/: "+t)};L.prototype.at=function(t,i){i===void 0&&(i=!1);var s=this.source,r=s.length;if(t>=r)return-1;var n=s.charCodeAt(t);if(!(i||this.switchU)||n<=55295||n>=57344||t+1>=r)return n;var u=s.charCodeAt(t+1);return u>=56320&&u<=57343?(n<<10)+u-56613888:n};L.prototype.nextIndex=function(t,i){i===void 0&&(i=!1);var s=this.source,r=s.length;if(t>=r)return r;var n=s.charCodeAt(t),u;return!(i||this.switchU)||n<=55295||n>=57344||t+1>=r||(u=s.charCodeAt(t+1))<56320||u>57343?t+1:t+2};L.prototype.current=function(t){return t===void 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brackets")};c.regexp_alternative=function(e){for(;e.pos<e.source.length&&this.regexp_eatTerm(e););};c.regexp_eatTerm=function(e){return this.regexp_eatAssertion(e)?(e.lastAssertionIsQuantifiable&&this.regexp_eatQuantifier(e)&&e.switchU&&e.raise("Invalid quantifier"),!0):(e.switchU?this.regexp_eatAtom(e):this.regexp_eatExtendedAtom(e))?(this.regexp_eatQuantifier(e),!0):!1};c.regexp_eatAssertion=function(e){var t=e.pos;if(e.lastAssertionIsQuantifiable=!1,e.eat(94)||e.eat(36))return!0;if(e.eat(92)){if(e.eat(66)||e.eat(98))return!0;e.pos=t}if(e.eat(40)&&e.eat(63)){var i=!1;if(this.options.ecmaVersion>=9&&(i=e.eat(60)),e.eat(61)||e.eat(33))return this.regexp_disjunction(e),e.eat(41)||e.raise("Unterminated group"),e.lastAssertionIsQuantifiable=!i,!0}return e.pos=t,!1};c.regexp_eatQuantifier=function(e,t){return t===void 0&&(t=!1),this.regexp_eatQuantifierPrefix(e,t)?(e.eat(63),!0):!1};c.regexp_eatQuantifierPrefix=function(e,t){return e.eat(42)||e.eat(43)||e.eat(63)||this.regexp_eatBracedQuantifier(e,t)};c.regexp_eatBracedQuantifier=function(e,t){var i=e.pos;if(e.eat(123)){var s=0,r=-1;if(this.regexp_eatDecimalDigits(e)&&(s=e.lastIntValue,e.eat(44)&&this.regexp_eatDecimalDigits(e)&&(r=e.lastIntValue),e.eat(125)))return r!==-1&&r<s&&!t&&e.raise("numbers out of order in {} quantifier"),!0;e.switchU&&!t&&e.raise("Incomplete quantifier"),e.pos=i}return!1};c.regexp_eatAtom=function(e){return this.regexp_eatPatternCharacters(e)||e.eat(46)||this.regexp_eatReverseSolidusAtomEscape(e)||this.regexp_eatCharacterClass(e)||this.regexp_eatUncapturingGroup(e)||this.regexp_eatCapturingGroup(e)};c.regexp_eatReverseSolidusAtomEscape=function(e){var t=e.pos;if(e.eat(92)){if(this.regexp_eatAtomEscape(e))return!0;e.pos=t}return!1};c.regexp_eatUncapturingGroup=function(e){var t=e.pos;if(e.eat(40)){if(e.eat(63)&&e.eat(58)){if(this.regexp_disjunction(e),e.eat(41))return!0;e.raise("Unterminated group")}e.pos=t}return!1};c.regexp_eatCapturingGroup=function(e){if(e.eat(40)){if(this.options.ecmaVersion>=9?this.regexp_groupSpecifier(e):e.current()===63&&e.raise("Invalid group"),this.regexp_disjunction(e),e.eat(41))return e.numCapturingParens+=1,!0;e.raise("Unterminated group")}return!1};c.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)};c.regexp_eatInvalidBracedQuantifier=function(e){return this.regexp_eatBracedQuantifier(e,!0)&&e.raise("Nothing to repeat"),!1};c.regexp_eatSyntaxCharacter=function(e){var t=e.current();return tt(t)?(e.lastIntValue=t,e.advance(),!0):!1};function tt(e){return e===36||e>=40&&e<=43||e===46||e===63||e>=91&&e<=94||e>=123&&e<=125}c.regexp_eatPatternCharacters=function(e){for(var t=e.pos,i=0;(i=e.current())!==-1&&!tt(i);)e.advance();return e.pos!==t};c.regexp_eatExtendedPatternCharacter=function(e){var t=e.current();return t!==-1&&t!==36&&!(t>=40&&t<=43)&&t!==46&&t!==63&&t!==91&&t!==94&&t!==124?(e.advance(),!0):!1};c.regexp_groupSpecifier=function(e){if(e.eat(63)){if(this.regexp_eatGroupName(e)){e.groupNames.indexOf(e.lastStringValue)!==-1&&e.raise("Duplicate capture group name"),e.groupNames.push(e.lastStringValue);return}e.raise("Invalid group")}};c.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};c.regexp_eatRegExpIdentifierName=function(e){if(e.lastStringValue="",this.regexp_eatRegExpIdentifierStart(e)){for(e.lastStringValue+=B(e.lastIntValue);this.regexp_eatRegExpIdentifierPart(e);)e.lastStringValue+=B(e.lastIntValue);return!0}return!1};c.regexp_eatRegExpIdentifierStart=function(e){var t=e.pos,i=this.options.ecmaVersion>=11,s=e.current(i);return e.advance(i),s===92&&this.regexp_eatRegExpUnicodeEscapeSequence(e,i)&&(s=e.lastIntValue),qt(s)?(e.lastIntValue=s,!0):(e.pos=t,!1)};function qt(e){return N(e,!0)||e===36||e===95}c.regexp_eatRegExpIdentifierPart=function(e){var t=e.pos,i=this.options.ecmaVersion>=11,s=e.current(i);return e.advance(i),s===92&&this.regexp_eatRegExpUnicodeEscapeSequence(e,i)&&(s=e.lastIntValue),jt(s)?(e.lastIntValue=s,!0):(e.pos=t,!1)};function jt(e){return M(e,!0)||e===36||e===95||e===8204||e===8205}c.regexp_eatAtomEscape=function(e){return this.regexp_eatBackReference(e)||this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)||e.switchN&&this.regexp_eatKGroupName(e)?!0:(e.switchU&&(e.current()===99&&e.raise("Invalid unicode escape"),e.raise("Invalid escape")),!1)};c.regexp_eatBackReference=function(e){var t=e.pos;if(this.regexp_eatDecimalEscape(e)){var i=e.lastIntValue;if(e.switchU)return i>e.maxBackReference&&(e.maxBackReference=i),!0;if(i<=e.numCapturingParens)return!0;e.pos=t}return!1};c.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};c.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,!1)||!e.switchU&&this.regexp_eatLegacyOctalEscapeSequence(e)||this.regexp_eatIdentityEscape(e)};c.regexp_eatCControlLetter=function(e){var t=e.pos;if(e.eat(99)){if(this.regexp_eatControlLetter(e))return!0;e.pos=t}return!1};c.regexp_eatZero=function(e){return e.current()===48&&!he(e.lookahead())?(e.lastIntValue=0,e.advance(),!0):!1};c.regexp_eatControlEscape=function(e){var t=e.current();return t===116?(e.lastIntValue=9,e.advance(),!0):t===110?(e.lastIntValue=10,e.advance(),!0):t===118?(e.lastIntValue=11,e.advance(),!0):t===102?(e.lastIntValue=12,e.advance(),!0):t===114?(e.lastIntValue=13,e.advance(),!0):!1};c.regexp_eatControlLetter=function(e){var t=e.current();return it(t)?(e.lastIntValue=t%32,e.advance(),!0):!1};function it(e){return e>=65&&e<=90||e>=97&&e<=122}c.regexp_eatRegExpUnicodeEscapeSequence=function(e,t){t===void 0&&(t=!1);var i=e.pos,s=t||e.switchU;if(e.eat(117)){if(this.regexp_eatFixedHexDigits(e,4)){var r=e.lastIntValue;if(s&&r>=55296&&r<=56319){var n=e.pos;if(e.eat(92)&&e.eat(117)&&this.regexp_eatFixedHexDigits(e,4)){var u=e.lastIntValue;if(u>=56320&&u<=57343)return e.lastIntValue=(r-55296)*1024+(u-56320)+65536,!0}e.pos=n,e.lastIntValue=r}return!0}if(s&&e.eat(123)&&this.regexp_eatHexDigits(e)&&e.eat(125)&&Gt(e.lastIntValue))return!0;s&&e.raise("Invalid unicode escape"),e.pos=i}return!1};function Gt(e){return e>=0&&e<=1114111}c.regexp_eatIdentityEscape=function(e){if(e.switchU)return this.regexp_eatSyntaxCharacter(e)?!0:e.eat(47)?(e.lastIntValue=47,!0):!1;var t=e.current();return t!==99&&(!e.switchN||t!==107)?(e.lastIntValue=t,e.advance(),!0):!1};c.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};var st=0,T=1,I=2;c.regexp_eatCharacterClassEscape=function(e){var t=e.current();if(Ht(t))return e.lastIntValue=-1,e.advance(),T;var i=!1;if(e.switchU&&this.options.ecmaVersion>=9&&((i=t===80)||t===112)){e.lastIntValue=-1,e.advance();var s;if(e.eat(123)&&(s=this.regexp_eatUnicodePropertyValueExpression(e))&&e.eat(125))return i&&s===I&&e.raise("Invalid property name"),s;e.raise("Invalid property name")}return st};function Ht(e){return e===100||e===68||e===115||e===83||e===119||e===87}c.regexp_eatUnicodePropertyValueExpression=function(e){var t=e.pos;if(this.regexp_eatUnicodePropertyName(e)&&e.eat(61)){var i=e.lastStringValue;if(this.regexp_eatUnicodePropertyValue(e)){var s=e.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(e,i,s),T}}if(e.pos=t,this.regexp_eatLoneUnicodePropertyNameOrValue(e)){var r=e.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(e,r)}return st};c.regexp_validateUnicodePropertyNameAndValue=function(e,t,i){X(e.unicodeProperties.nonBinary,t)||e.raise("Invalid property name"),e.unicodeProperties.nonBinary[t].test(i)||e.raise("Invalid property value")};c.regexp_validateUnicodePropertyNameOrValue=function(e,t){if(e.unicodeProperties.binary.test(t))return T;if(e.switchV&&e.unicodeProperties.binaryOfStrings.test(t))return I;e.raise("Invalid property name")};c.regexp_eatUnicodePropertyName=function(e){var t=0;for(e.lastStringValue="";at(t=e.current());)e.lastStringValue+=B(t),e.advance();return e.lastStringValue!==""};function at(e){return it(e)||e===95}c.regexp_eatUnicodePropertyValue=function(e){var t=0;for(e.lastStringValue="";Wt(t=e.current());)e.lastStringValue+=B(t),e.advance();return e.lastStringValue!==""};function Wt(e){return at(e)||he(e)}c.regexp_eatLoneUnicodePropertyNameOrValue=function(e){return this.regexp_eatUnicodePropertyValue(e)};c.regexp_eatCharacterClass=function(e){if(e.eat(91)){var t=e.eat(94),i=this.regexp_classContents(e);return e.eat(93)||e.raise("Unterminated character class"),t&&i===I&&e.raise("Negated character class may contain strings"),!0}return!1};c.regexp_classContents=function(e){return e.current()===93?T:e.switchV?this.regexp_classSetExpression(e):(this.regexp_nonEmptyClassRanges(e),T)};c.regexp_nonEmptyClassRanges=function(e){for(;this.regexp_eatClassAtom(e);){var t=e.lastIntValue;if(e.eat(45)&&this.regexp_eatClassAtom(e)){var i=e.lastIntValue;e.switchU&&(t===-1||i===-1)&&e.raise("Invalid character class"),t!==-1&&i!==-1&&t>i&&e.raise("Range out of order in character class")}}};c.regexp_eatClassAtom=function(e){var t=e.pos;if(e.eat(92)){if(this.regexp_eatClassEscape(e))return!0;if(e.switchU){var i=e.current();(i===99||ut(i))&&e.raise("Invalid class escape"),e.raise("Invalid escape")}e.pos=t}var s=e.current();return s!==93?(e.lastIntValue=s,e.advance(),!0):!1};c.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)};c.regexp_classSetExpression=function(e){var t=T,i;if(!this.regexp_eatClassSetRange(e))if(i=this.regexp_eatClassSetOperand(e)){i===I&&(t=I);for(var s=e.pos;e.eatChars([38,38]);){if(e.current()!==38&&(i=this.regexp_eatClassSetOperand(e))){i!==I&&(t=T);continue}e.raise("Invalid character in character class")}if(s!==e.pos)return t;for(;e.eatChars([45,45]);)this.regexp_eatClassSetOperand(e)||e.raise("Invalid character in character class");if(s!==e.pos)return t}else e.raise("Invalid character in character class");for(;;)if(!this.regexp_eatClassSetRange(e)){if(i=this.regexp_eatClassSetOperand(e),!i)return t;i===I&&(t=I)}};c.regexp_eatClassSetRange=function(e){var t=e.pos;if(this.regexp_eatClassSetCharacter(e)){var i=e.lastIntValue;if(e.eat(45)&&this.regexp_eatClassSetCharacter(e)){var s=e.lastIntValue;return i!==-1&&s!==-1&&i>s&&e.raise("Range out of order in character class"),!0}e.pos=t}return!1};c.regexp_eatClassSetOperand=function(e){return this.regexp_eatClassSetCharacter(e)?T:this.regexp_eatClassStringDisjunction(e)||this.regexp_eatNestedClass(e)};c.regexp_eatNestedClass=function(e){var t=e.pos;if(e.eat(91)){var i=e.eat(94),s=this.regexp_classContents(e);if(e.eat(93))return i&&s===I&&e.raise("Negated character class may contain strings"),s;e.pos=t}if(e.eat(92)){var r=this.regexp_eatCharacterClassEscape(e);if(r)return r;e.pos=t}return null};c.regexp_eatClassStringDisjunction=function(e){var t=e.pos;if(e.eatChars([92,113])){if(e.eat(123)){var i=this.regexp_classStringDisjunctionContents(e);if(e.eat(125))return i}else e.raise("Invalid escape");e.pos=t}return null};c.regexp_classStringDisjunctionContents=function(e){for(var t=this.regexp_classString(e);e.eat(124);)this.regexp_classString(e)===I&&(t=I);return t};c.regexp_classString=function(e){for(var t=0;this.regexp_eatClassSetCharacter(e);)t++;return t===1?T:I};c.regexp_eatClassSetCharacter=function(e){var t=e.pos;if(e.eat(92))return this.regexp_eatCharacterEscape(e)||this.regexp_eatClassSetReservedPunctuator(e)?!0:e.eat(98)?(e.lastIntValue=8,!0):(e.pos=t,!1);var i=e.current();return i<0||i===e.lookahead()&&zt(i)||Kt(i)?!1:(e.advance(),e.lastIntValue=i,!0)};function zt(e){return e===33||e>=35&&e<=38||e>=42&&e<=44||e===46||e>=58&&e<=64||e===94||e===96||e===126}function Kt(e){return e===40||e===41||e===45||e===47||e>=91&&e<=93||e>=123&&e<=125}c.regexp_eatClassSetReservedPunctuator=function(e){var t=e.current();return Qt(t)?(e.lastIntValue=t,e.advance(),!0):!1};function Qt(e){return e===33||e===35||e===37||e===38||e===44||e===45||e>=58&&e<=62||e===64||e===96||e===126}c.regexp_eatClassControlLetter=function(e){var t=e.current();return he(t)||t===95?(e.lastIntValue=t%32,e.advance(),!0):!1};c.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};c.regexp_eatDecimalDigits=function(e){var t=e.pos,i=0;for(e.lastIntValue=0;he(i=e.current());)e.lastIntValue=10*e.lastIntValue+(i-48),e.advance();return e.pos!==t};function he(e){return e>=48&&e<=57}c.regexp_eatHexDigits=function(e){var t=e.pos,i=0;for(e.lastIntValue=0;rt(i=e.current());)e.lastIntValue=16*e.lastIntValue+nt(i),e.advance();return e.pos!==t};function rt(e){return e>=48&&e<=57||e>=65&&e<=70||e>=97&&e<=102}function nt(e){return e>=65&&e<=70?10+(e-65):e>=97&&e<=102?10+(e-97):e-48}c.regexp_eatLegacyOctalEscapeSequence=function(e){if(this.regexp_eatOctalDigit(e)){var t=e.lastIntValue;if(this.regexp_eatOctalDigit(e)){var i=e.lastIntValue;t<=3&&this.regexp_eatOctalDigit(e)?e.lastIntValue=t*64+i*8+e.lastIntValue:e.lastIntValue=t*8+i}else e.lastIntValue=t;return!0}return!1};c.regexp_eatOctalDigit=function(e){var t=e.current();return ut(t)?(e.lastIntValue=t-48,e.advance(),!0):(e.lastIntValue=0,!1)};function ut(e){return e>=48&&e<=55}c.regexp_eatFixedHexDigits=function(e,t){var i=e.pos;e.lastIntValue=0;for(var s=0;s<t;++s){var r=e.current();if(!rt(r))return e.pos=i,!1;e.lastIntValue=16*e.lastIntValue+nt(r),e.advance()}return!0};var ce=function(t){this.type=t.type,this.value=t.value,this.start=t.start,this.end=t.end,t.options.locations&&(this.loc=new Z(t,t.startLoc,t.endLoc)),t.options.ranges&&(this.range=[t.start,t.end])},x=b.prototype;x.next=function(e){!e&&this.type.keyword&&this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+this.type.keyword),this.options.onToken&&this.options.onToken(new ce(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()};x.getToken=function(){return this.next(),new ce(this)};typeof Symbol<"u"&&(x[Symbol.iterator]=function(){var e=this;return{next:function(){var t=e.getToken();return{done:t.type===a.eof,value:t}}}});x.nextToken=function(){var e=this.curContext();if((!e||!e.preserveSpace)&&this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length)return this.finishToken(a.eof);if(e.override)return e.override(this);this.readToken(this.fullCharCodeAtPos())};x.readToken=function(e){return N(e,this.options.ecmaVersion>=6)||e===92?this.readWord():this.getTokenFromCode(e)};x.fullCharCodeAtPos=function(){var e=this.input.charCodeAt(this.pos);if(e<=55295||e>=56320)return e;var t=this.input.charCodeAt(this.pos+1);return t<=56319||t>=57344?e:(e<<10)+t-56613888};x.skipBlockComment=function(){var e=this.options.onComment&&this.curPosition(),t=this.pos,i=this.input.indexOf("*/",this.pos+=2);if(i===-1&&this.raise(this.pos-2,"Unterminated comment"),this.pos=i+2,this.options.locations)for(var s=void 0,r=t;(s=Le(this.input,r,this.pos))>-1;)++this.curLine,r=this.lineStart=s;this.options.onComment&&this.options.onComment(!0,this.input.slice(t+2,i),t,this.pos,e,this.curPosition())};x.skipLineComment=function(e){for(var t=this.pos,i=this.options.onComment&&this.curPosition(),s=this.input.charCodeAt(this.pos+=e);this.pos<this.input.length&&!U(s);)s=this.input.charCodeAt(++this.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(t+e,this.pos),t,this.pos,i,this.curPosition())};x.skipSpace=function(){e:for(;this.pos<this.input.length;){var e=this.input.charCodeAt(this.pos);switch(e){case 32:case 160:++this.pos;break;case 13:this.input.charCodeAt(this.pos+1)===10&&++this.pos;case 10:case 8232:case 8233:++this.pos,this.options.locations&&(++this.curLine,this.lineStart=this.pos);break;case 47:switch(this.input.charCodeAt(this.pos+1)){case 42:this.skipBlockComment();break;case 47:this.skipLineComment(2);break;default:break e}break;default:if(e>8&&e<14||e>=5760&&ve.test(String.fromCharCode(e)))++this.pos;else break e}}};x.finishToken=function(e,t){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var i=this.type;this.type=e,this.value=t,this.updateContext(i)};x.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&&e===46&&t===46?(this.pos+=3,this.finishToken(a.ellipsis)):(++this.pos,this.finishToken(a.dot))};x.readToken_slash=function(){var e=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):e===61?this.finishOp(a.assign,2):this.finishOp(a.slash,1)};x.readToken_mult_modulo_exp=function(e){var t=this.input.charCodeAt(this.pos+1),i=1,s=e===42?a.star:a.modulo;return this.options.ecmaVersion>=7&&e===42&&t===42&&(++i,s=a.starstar,t=this.input.charCodeAt(this.pos+2)),t===61?this.finishOp(a.assign,i+1):this.finishOp(s,i)};x.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.pos+1);if(t===e){if(this.options.ecmaVersion>=12){var i=this.input.charCodeAt(this.pos+2);if(i===61)return this.finishOp(a.assign,3)}return this.finishOp(e===124?a.logicalOR:a.logicalAND,2)}return t===61?this.finishOp(a.assign,2):this.finishOp(e===124?a.bitwiseOR:a.bitwiseAND,1)};x.readToken_caret=function(){var e=this.input.charCodeAt(this.pos+1);return e===61?this.finishOp(a.assign,2):this.finishOp(a.bitwiseXOR,1)};x.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?t===45&&!this.inModule&&this.input.charCodeAt(this.pos+2)===62&&(this.lastTokEnd===0||k.test(this.input.slice(this.lastTokEnd,this.pos)))?(this.skipLineComment(3),this.skipSpace(),this.nextToken()):this.finishOp(a.incDec,2):t===61?this.finishOp(a.assign,2):this.finishOp(a.plusMin,1)};x.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.pos+1),i=1;return t===e?(i=e===62&&this.input.charCodeAt(this.pos+2)===62?3:2,this.input.charCodeAt(this.pos+i)===61?this.finishOp(a.assign,i+1):this.finishOp(a.bitShift,i)):t===33&&e===60&&!this.inModule&&this.input.charCodeAt(this.pos+2)===45&&this.input.charCodeAt(this.pos+3)===45?(this.skipLineComment(4),this.skipSpace(),this.nextToken()):(t===61&&(i=2),this.finishOp(a.relational,i))};x.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.pos+1);return t===61?this.finishOp(a.equality,this.input.charCodeAt(this.pos+2)===61?3:2):e===61&&t===62&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(a.arrow)):this.finishOp(e===61?a.eq:a.prefix,1)};x.readToken_question=function(){var e=this.options.ecmaVersion;if(e>=11){var t=this.input.charCodeAt(this.pos+1);if(t===46){var i=this.input.charCodeAt(this.pos+2);if(i<48||i>57)return this.finishOp(a.questionDot,2)}if(t===63){if(e>=12){var s=this.input.charCodeAt(this.pos+2);if(s===61)return this.finishOp(a.assign,3)}return this.finishOp(a.coalesce,2)}}return this.finishOp(a.question,1)};x.readToken_numberSign=function(){var e=this.options.ecmaVersion,t=35;if(e>=13&&(++this.pos,t=this.fullCharCodeAtPos(),N(t,!0)||t===92))return this.finishToken(a.privateId,this.readWord1());this.raise(this.pos,"Unexpected character '"+B(t)+"'")};x.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(a.parenL);case 41:return++this.pos,this.finishToken(a.parenR);case 59:return++this.pos,this.finishToken(a.semi);case 44:return++this.pos,this.finishToken(a.comma);case 91:return++this.pos,this.finishToken(a.bracketL);case 93:return++this.pos,this.finishToken(a.bracketR);case 123:return++this.pos,this.finishToken(a.braceL);case 125:return++this.pos,this.finishToken(a.braceR);case 58:return++this.pos,this.finishToken(a.colon);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(a.backQuote);case 48:var t=this.input.charCodeAt(this.pos+1);if(t===120||t===88)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(t===111||t===79)return this.readRadixNumber(8);if(t===98||t===66)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 63:return this.readToken_question();case 126:return this.finishOp(a.prefix,1);case 35:return this.readToken_numberSign()}this.raise(this.pos,"Unexpected character '"+B(e)+"'")};x.finishOp=function(e,t){var i=this.input.slice(this.pos,this.pos+t);return this.pos+=t,this.finishToken(e,i)};x.readRegexp=function(){for(var e,t,i=this.pos;;){this.pos>=this.input.length&&this.raise(i,"Unterminated regular expression");var s=this.input.charAt(this.pos);if(k.test(s)&&this.raise(i,"Unterminated regular expression"),e)e=!1;else{if(s==="[")t=!0;else if(s==="]"&&t)t=!1;else if(s==="/"&&!t)break;e=s==="\\"}++this.pos}var r=this.input.slice(i,this.pos);++this.pos;var n=this.pos,u=this.readWord1();this.containsEsc&&this.unexpected(n);var o=this.regexpState||(this.regexpState=new L(this));o.reset(i,r,u),this.validateRegExpFlags(o),this.validateRegExpPattern(o);var h=null;try{h=new RegExp(r,u)}catch{}return this.finishToken(a.regexp,{pattern:r,flags:u,value:h})};x.readInt=function(e,t,i){for(var s=this.options.ecmaVersion>=12&&t===void 0,r=i&&this.input.charCodeAt(this.pos)===48,n=this.pos,u=0,o=0,h=0,f=t??1/0;h<f;++h,++this.pos){var d=this.input.charCodeAt(this.pos),y=void 0;if(s&&d===95){r&&this.raiseRecoverable(this.pos,"Numeric separator is not allowed in legacy octal numeric literals"),o===95&&this.raiseRecoverable(this.pos,"Numeric separator must be exactly one underscore"),h===0&&this.raiseRecoverable(this.pos,"Numeric separator is not allowed at the first of digits"),o=d;continue}if(d>=97?y=d-97+10:d>=65?y=d-65+10:d>=48&&d<=57?y=d-48:y=1/0,y>=e)break;o=d,u=u*e+y}return s&&o===95&&this.raiseRecoverable(this.pos-1,"Numeric separator is not allowed at the last of digits"),this.pos===n||t!=null&&this.pos-n!==t?null:u};function Yt(e,t){return t?parseInt(e,8):parseFloat(e.replace(/_/g,""))}function ot(e){return typeof BigInt!="function"?null:BigInt(e.replace(/_/g,""))}x.readRadixNumber=function(e){var t=this.pos;this.pos+=2;var i=this.readInt(e);return i==null&&this.raise(this.start+2,"Expected number in radix "+e),this.options.ecmaVersion>=11&&this.input.charCodeAt(this.pos)===110?(i=ot(this.input.slice(t,this.pos)),++this.pos):N(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(a.num,i)};x.readNumber=function(e){var t=this.pos;!e&&this.readInt(10,void 0,!0)===null&&this.raise(t,"Invalid number");var i=this.pos-t>=2&&this.input.charCodeAt(t)===48;i&&this.strict&&this.raise(t,"Invalid number");var s=this.input.charCodeAt(this.pos);if(!i&&!e&&this.options.ecmaVersion>=11&&s===110){var r=ot(this.input.slice(t,this.pos));return++this.pos,N(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(a.num,r)}i&&/[89]/.test(this.input.slice(t,this.pos))&&(i=!1),s===46&&!i&&(++this.pos,this.readInt(10),s=this.input.charCodeAt(this.pos)),(s===69||s===101)&&!i&&(s=this.input.charCodeAt(++this.pos),(s===43||s===45)&&++this.pos,this.readInt(10)===null&&this.raise(t,"Invalid number")),N(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var n=Yt(this.input.slice(t,this.pos),i);return this.finishToken(a.num,n)};x.readCodePoint=function(){var e=this.input.charCodeAt(this.pos),t;if(e===123){this.options.ecmaVersion<6&&this.unexpected();var i=++this.pos;t=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,t>1114111&&this.invalidStringToken(i,"Code point out of bounds")}else t=this.readHexChar(4);return t};x.readString=function(e){for(var t="",i=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var s=this.input.charCodeAt(this.pos);if(s===e)break;s===92?(t+=this.input.slice(i,this.pos),t+=this.readEscapedChar(!1),i=this.pos):s===8232||s===8233?(this.options.ecmaVersion<10&&this.raise(this.start,"Unterminated string constant"),++this.pos,this.options.locations&&(this.curLine++,this.lineStart=this.pos)):(U(s)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return t+=this.input.slice(i,this.pos++),this.finishToken(a.string,t)};var ht={};x.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(e){if(e===ht)this.readInvalidTemplateToken();else throw e}this.inTemplateElement=!1};x.invalidStringToken=function(e,t){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw ht;this.raise(e,t)};x.readTmplToken=function(){for(var e="",t=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated template");var i=this.input.charCodeAt(this.pos);if(i===96||i===36&&this.input.charCodeAt(this.pos+1)===123)return this.pos===this.start&&(this.type===a.template||this.type===a.invalidTemplate)?i===36?(this.pos+=2,this.finishToken(a.dollarBraceL)):(++this.pos,this.finishToken(a.backQuote)):(e+=this.input.slice(t,this.pos),this.finishToken(a.template,e));if(i===92)e+=this.input.slice(t,this.pos),e+=this.readEscapedChar(!0),t=this.pos;else if(U(i)){switch(e+=this.input.slice(t,this.pos),++this.pos,i){case 13:this.input.charCodeAt(this.pos)===10&&++this.pos;case 10:e+=`
`;break;default:e+=String.fromCharCode(i);break}this.options.locations&&(++this.curLine,this.lineStart=this.pos),t=this.pos}else++this.pos}};x.readInvalidTemplateToken=function(){for(;this.pos<this.input.length;this.pos++)switch(this.input[this.pos]){case"\\":++this.pos;break;case"$":if(this.input[this.pos+1]!=="{")break;case"`":return this.finishToken(a.invalidTemplate,this.input.slice(this.start,this.pos))}this.raise(this.start,"Unterminated template")};x.readEscapedChar=function(e){var t=this.input.charCodeAt(++this.pos);switch(++this.pos,t){case 110:return`
`;case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return B(this.readCodePoint());case 116:return"	";case 98:return"\b";case 118:return"\v";case 102:return"\f";case 13:this.input.charCodeAt(this.pos)===10&&++this.pos;case 10:return this.options.locations&&(this.lineStart=this.pos,++this.curLine),"";case 56:case 57:if(this.strict&&this.invalidStringToken(this.pos-1,"Invalid escape sequence"),e){var i=this.pos-1;this.invalidStringToken(i,"Invalid escape sequence in template string")}default:if(t>=48&&t<=55){var s=this.input.substr(this.pos-1,3).match(/^[0-7]+/)[0],r=parseInt(s,8);return r>255&&(s=s.slice(0,-1),r=parseInt(s,8)),this.pos+=s.length-1,t=this.input.charCodeAt(this.pos),(s!=="0"||t===56||t===57)&&(this.strict||e)&&this.invalidStringToken(this.pos-1-s.length,e?"Octal literal in template string":"Octal literal in strict mode"),String.fromCharCode(r)}return U(t)?"":String.fromCharCode(t)}};x.readHexChar=function(e){var t=this.pos,i=this.readInt(16,e);return i===null&&this.invalidStringToken(t,"Bad character escape sequence"),i};x.readWord1=function(){this.containsEsc=!1;for(var e="",t=!0,i=this.pos,s=this.options.ecmaVersion>=6;this.pos<this.input.length;){var r=this.fullCharCodeAtPos();if(M(r,s))this.pos+=r<=65535?1:2;else if(r===92){this.containsEsc=!0,e+=this.input.slice(i,this.pos);var n=this.pos;this.input.charCodeAt(++this.pos)!==117&&this.invalidStringToken(this.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.pos;var u=this.readCodePoint();(t?N:M)(u,s)||this.invalidStringToken(n,"Invalid Unicode escape"),e+=B(u),i=this.pos}else break;t=!1}return e+this.input.slice(i,this.pos)};x.readWord=function(){var e=this.readWord1(),t=a.name;return this.keywords.test(e)&&(t=ue[e]),this.finishToken(t,e)};var ct="8.10.0";b.acorn={Parser:b,version:ct,defaultOptions:se,Position:H,SourceLocation:Z,getLineInfo:ge,Node:$,TokenType:v,tokTypes:a,keywordTypes:ue,TokContext:E,tokContexts:g,isIdentifierChar:M,isIdentifierStart:N,Token:ce,isNewLine:U,lineBreak:k,lineBreakG:Ve,nonASCIIwhitespace:ve};function Xt(e,t){return b.parse(e,t)}function Zt(e,t,i){return b.parseExpressionAt(e,t,i)}function Jt(e,t){return b.tokenizer(e,t)}