18x/mouse.js

util js for build web site

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this.next(),this.finishNode(r,"EmptyStatement")},Dt.parseLabeledStatement=function(r,c,T,F){for(var j=0,nt=this.labels;j<nt.length;j+=1){var ht=nt[j];ht.name===c&&this.raise(T.start,"Label '"+c+"' is already declared")}for(var kt=this.type.isLoop?"loop":this.type===N._switch?"switch":null,Et=this.labels.length-1;Et>=0;Et--){var Ut=this.labels[Et];if(Ut.statementStart===r.start)Ut.statementStart=this.start,Ut.kind=kt;else break}return this.labels.push({name:c,kind:kt,statementStart:this.start}),r.body=this.parseStatement(F?F.indexOf("label")===-1?F+"label":F:"label"),this.labels.pop(),r.label=T,this.finishNode(r,"LabeledStatement")},Dt.parseExpressionStatement=function(r,c){return r.expression=c,this.semicolon(),this.finishNode(r,"ExpressionStatement")},Dt.parseBlock=function(r,c,T){for(r===void 0&&(r=!0),c===void 0&&(c=this.startNode()),c.body=[],this.expect(N.braceL),r&&this.enterScope(0);this.type!==N.braceR;){var F=this.parseStatement(null);c.body.push(F)}return T&&(this.strict=!1),this.next(),r&&this.exitScope(),this.finishNode(c,"BlockStatement")},Dt.parseFor=function(r,c){return r.init=c,this.expect(N.semi),r.test=this.type===N.semi?null:this.parseExpression(),this.expect(N.semi),r.update=this.type===N.parenR?null:this.parseExpression(),this.expect(N.parenR),r.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(r,"ForStatement")},Dt.parseForIn=function(r,c){var T=this.type===N._in;return this.next(),c.type==="VariableDeclaration"&&c.declarations[0].init!=null&&(!T||this.options.ecmaVersion<8||this.strict||c.kind!=="var"||c.declarations[0].id.type!=="Identifier")?this.raise(c.start,(T?"for-in":"for-of")+" loop variable declaration may not have an initializer"):c.type==="AssignmentPattern"&&this.raise(c.start,"Invalid left-hand side in for-loop"),r.left=c,r.right=T?this.parseExpression():this.parseMaybeAssign(),this.expect(N.parenR),r.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(r,T?"ForInStatement":"ForOfStatement")},Dt.parseVar=function(r,c,T){for(r.declarations=[],r.kind=T;;){var F=this.startNode();if(this.parseVarId(F,T),this.eat(N.eq)?F.init=this.parseMaybeAssign(c):T==="const"&&!(this.type===N._in||this.options.ecmaVersion>=6&&this.isContextual("of"))?this.unexpected():F.id.type!=="Identifier"&&!(c&&(this.type===N._in||this.isContextual("of")))?this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value"):F.init=null,r.declarations.push(this.finishNode(F,"VariableDeclarator")),!this.eat(N.comma))break}return r},Dt.parseVarId=function(r,c){r.id=this.parseBindingAtom(),this.checkLVal(r.id,c==="var"?Ir:je,!1)};var i=1,s=2,a=4;Dt.parseFunction=function(r,c,T,F){this.initFunction(r),(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!F)&&(this.type===N.star&&c&s&&this.unexpected(),r.generator=this.eat(N.star)),this.options.ecmaVersion>=8&&(r.async=!!F),c&i&&(r.id=c&a&&this.type!==N.name?null:this.parseIdent(),r.id&&!(c&s)&&this.checkLVal(r.id,this.strict||r.generator||r.async?this.treatFunctionsAsVar?Ir:je:Jr));var j=this.yieldPos,nt=this.awaitPos,ht=this.awaitIdentPos;return this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(Pr(r.async,r.generator)),c&i||(r.id=this.type===N.name?this.parseIdent():null),this.parseFunctionParams(r),this.parseFunctionBody(r,T,!1),this.yieldPos=j,this.awaitPos=nt,this.awaitIdentPos=ht,this.finishNode(r,c&i?"FunctionDeclaration":"FunctionExpression")},Dt.parseFunctionParams=function(r){this.expect(N.parenL),r.params=this.parseBindingList(N.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()},Dt.parseClass=function(r,c){this.next();var T=this.strict;this.strict=!0,this.parseClassId(r,c),this.parseClassSuper(r);var F=this.startNode(),j=!1;for(F.body=[],this.expect(N.braceL);this.type!==N.braceR;){var nt=this.parseClassElement(r.superClass!==null);nt&&(F.body.push(nt),nt.type==="MethodDefinition"&&nt.kind==="constructor"&&(j&&this.raise(nt.start,"Duplicate constructor in the same class"),j=!0))}return this.strict=T,this.next(),r.body=this.finishNode(F,"ClassBody"),this.finishNode(r,c?"ClassDeclaration":"ClassExpression")},Dt.parseClassElement=function(r){var c=this;if(this.eat(N.semi))return null;var T=this.startNode(),F=function(Et,Ut){Ut===void 0&&(Ut=!1);var Zt=c.start,ve=c.startLoc;return c.eatContextual(Et)?c.type!==N.parenL&&(!Ut||!c.canInsertSemicolon())?!0:(T.key&&c.unexpected(),T.computed=!1,T.key=c.startNodeAt(Zt,ve),T.key.name=Et,c.finishNode(T.key,"Identifier"),!1):!1};T.kind="method",T.static=F("static");var j=this.eat(N.star),nt=!1;j||(this.options.ecmaVersion>=8&&F("async",!0)?(nt=!0,j=this.options.ecmaVersion>=9&&this.eat(N.star)):F("get")?T.kind="get":F("set")&&(T.kind="set")),T.key||this.parsePropertyName(T);var ht=T.key,kt=!1;return!T.computed&&!T.static&&(ht.type==="Identifier"&&ht.name==="constructor"||ht.type==="Literal"&&ht.value==="constructor")?(T.kind!=="method"&&this.raise(ht.start,"Constructor can't have get/set modifier"),j&&this.raise(ht.start,"Constructor can't be a generator"),nt&&this.raise(ht.start,"Constructor can't be an async method"),T.kind="constructor",kt=r):T.static&&ht.type==="Identifier"&&ht.name==="prototype"&&this.raise(ht.start,"Classes may not have a static property named prototype"),this.parseClassMethod(T,j,nt,kt),T.kind==="get"&&T.value.params.length!==0&&this.raiseRecoverable(T.value.start,"getter should have no params"),T.kind==="set"&&T.value.params.length!==1&&this.raiseRecoverable(T.value.start,"setter should have exactly one param"),T.kind==="set"&&T.value.params[0].type==="RestElement"&&this.raiseRecoverable(T.value.params[0].start,"Setter cannot use rest params"),T},Dt.parseClassMethod=function(r,c,T,F){return r.value=this.parseMethod(c,T,F),this.finishNode(r,"MethodDefinition")},Dt.parseClassId=function(r,c){this.type===N.name?(r.id=this.parseIdent(),c&&this.checkLVal(r.id,je,!1)):(c===!0&&this.unexpected(),r.id=null)},Dt.parseClassSuper=function(r){r.superClass=this.eat(N._extends)?this.parseExprSubscripts():null},Dt.parseExport=function(r,c){if(this.next(),this.eat(N.star))return this.options.ecmaVersion>=11&&(this.eatContextual("as")?(r.exported=this.parseIdent(!0),this.checkExport(c,r.exported.name,this.lastTokStart)):r.exported=null),this.expectContextual("from"),this.type!==N.string&&this.unexpected(),r.source=this.parseExprAtom(),this.semicolon(),this.finishNode(r,"ExportAllDeclaration");if(this.eat(N._default)){this.checkExport(c,"default",this.lastTokStart);var T;if(this.type===N._function||(T=this.isAsyncFunction())){var F=this.startNode();this.next(),T&&this.next(),r.declaration=this.parseFunction(F,i|a,!1,T)}else if(this.type===N._class){var j=this.startNode();r.declaration=this.parseClass(j,"nullableID")}else r.declaration=this.parseMaybeAssign(),this.semicolon();return this.finishNode(r,"ExportDefaultDeclaration")}if(this.shouldParseExportStatement())r.declaration=this.parseStatement(null),r.declaration.type==="VariableDeclaration"?this.checkVariableExport(c,r.declaration.declarations):this.checkExport(c,r.declaration.id.name,r.declaration.id.start),r.specifiers=[],r.source=null;else{if(r.declaration=null,r.specifiers=this.parseExportSpecifiers(c),this.eatContextual("from"))this.type!==N.string&&this.unexpected(),r.source=this.parseExprAtom();else{for(var nt=0,ht=r.specifiers;nt<ht.length;nt+=1){var kt=ht[nt];this.checkUnreserved(kt.local),this.checkLocalExport(kt.local)}r.source=null}this.semicolon()}return this.finishNode(r,"ExportNamedDeclaration")},Dt.checkExport=function(r,c,T){r&&(Ct(r,c)&&this.raiseRecoverable(T,"Duplicate export '"+c+"'"),r[c]=!0)},Dt.checkPatternExport=function(r,c){var T=c.type;if(T==="Identifier")this.checkExport(r,c.name,c.start);else if(T==="ObjectPattern")for(var F=0,j=c.properties;F<j.length;F+=1){var nt=j[F];this.checkPatternExport(r,nt)}else if(T==="ArrayPattern")for(var ht=0,kt=c.elements;ht<kt.length;ht+=1){var Et=kt[ht];Et&&this.checkPatternExport(r,Et)}else T==="Property"?this.checkPatternExport(r,c.value):T==="AssignmentPattern"?this.checkPatternExport(r,c.left):T==="RestElement"?this.checkPatternExport(r,c.argument):T==="ParenthesizedExpression"&&this.checkPatternExport(r,c.expression)},Dt.checkVariableExport=function(r,c){if(r)for(var T=0,F=c;T<F.length;T+=1){var j=F[T];this.checkPatternExport(r,j.id)}},Dt.shouldParseExportStatement=function(){return this.type.keyword==="var"||this.type.keyword==="const"||this.type.keyword==="class"||this.type.keyword==="function"||this.isLet()||this.isAsyncFunction()},Dt.parseExportSpecifiers=function(r){var c=[],T=!0;for(this.expect(N.braceL);!this.eat(N.braceR);){if(T)T=!1;else if(this.expect(N.comma),this.afterTrailingComma(N.braceR))break;var F=this.startNode();F.local=this.parseIdent(!0),F.exported=this.eatContextual("as")?this.parseIdent(!0):F.local,this.checkExport(r,F.exported.name,F.exported.start),c.push(this.finishNode(F,"ExportSpecifier"))}return c},Dt.parseImport=function(r){return this.next(),this.type===N.string?(r.specifiers=e,r.source=this.parseExprAtom()):(r.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),r.source=this.type===N.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(r,"ImportDeclaration")},Dt.parseImportSpecifiers=function(){var r=[],c=!0;if(this.type===N.name){var T=this.startNode();if(T.local=this.parseIdent(),this.checkLVal(T.local,je),r.push(this.finishNode(T,"ImportDefaultSpecifier")),!this.eat(N.comma))return r}if(this.type===N.star){var F=this.startNode();return this.next(),this.expectContextual("as"),F.local=this.parseIdent(),this.checkLVal(F.local,je),r.push(this.finishNode(F,"ImportNamespaceSpecifier")),r}for(this.expect(N.braceL);!this.eat(N.braceR);){if(c)c=!1;else if(this.expect(N.comma),this.afterTrailingComma(N.braceR))break;var j=this.startNode();j.imported=this.parseIdent(!0),this.eatContextual("as")?j.local=this.parseIdent():(this.checkUnreserved(j.imported),j.local=j.imported),this.checkLVal(j.local,je),r.push(this.finishNode(j,"ImportSpecifier"))}return r},Dt.adaptDirectivePrologue=function(r){for(var c=0;c<r.length&&this.isDirectiveCandidate(r[c]);++c)r[c].directive=r[c].expression.raw.slice(1,-1)},Dt.isDirectiveCandidate=function(r){return r.type==="ExpressionStatement"&&r.expression.type==="Literal"&&typeof r.expression.value=="string"&&(this.input[r.start]==='"'||this.input[r.start]==="'")};var f=ae.prototype;f.toAssignable=function(r,c,T){if(this.options.ecmaVersion>=6&&r)switch(r.type){case"Identifier":this.inAsync&&r.name==="await"&&this.raise(r.start,"Cannot use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"RestElement":break;case"ObjectExpression":r.type="ObjectPattern",T&&this.checkPatternErrors(T,!0);for(var F=0,j=r.properties;F<j.length;F+=1){var nt=j[F];this.toAssignable(nt,c),nt.type==="RestElement"&&(nt.argument.type==="ArrayPattern"||nt.argument.type==="ObjectPattern")&&this.raise(nt.argument.start,"Unexpected token")}break;case"Property":r.kind!=="init"&&this.raise(r.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(r.value,c);break;case"ArrayExpression":r.type="ArrayPattern",T&&this.checkPatternErrors(T,!0),this.toAssignableList(r.elements,c);break;case"SpreadElement":r.type="RestElement",this.toAssignable(r.argument,c),r.argument.type==="AssignmentPattern"&&this.raise(r.argument.start,"Rest elements cannot have a default value");break;case"AssignmentExpression":r.operator!=="="&&this.raise(r.left.end,"Only '=' operator can be used for specifying default value."),r.type="AssignmentPattern",delete r.operator,this.toAssignable(r.left,c);case"AssignmentPattern":break;case"ParenthesizedExpression":this.toAssignable(r.expression,c,T);break;case"ChainExpression":this.raiseRecoverable(r.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":if(!c)break;default:this.raise(r.start,"Assigning to rvalue")}else T&&this.checkPatternErrors(T,!0);return r},f.toAssignableList=function(r,c){for(var T=r.length,F=0;F<T;F++){var j=r[F];j&&this.toAssignable(j,c)}if(T){var nt=r[T-1];this.options.ecmaVersion===6&&c&&nt&&nt.type==="RestElement"&&nt.argument.type!=="Identifier"&&this.unexpected(nt.argument.start)}return r},f.parseSpread=function(r){var c=this.startNode();return this.next(),c.argument=this.parseMaybeAssign(!1,r),this.finishNode(c,"SpreadElement")},f.parseRestBinding=function(){var r=this.startNode();return this.next(),this.options.ecmaVersion===6&&this.type!==N.name&&this.unexpected(),r.argument=this.parseBindingAtom(),this.finishNode(r,"RestElement")},f.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case N.bracketL:var r=this.startNode();return this.next(),r.elements=this.parseBindingList(N.bracketR,!0,!0),this.finishNode(r,"ArrayPattern");case N.braceL:return this.parseObj(!0)}return this.parseIdent()},f.parseBindingList=function(r,c,T){for(var F=[],j=!0;!this.eat(r);)if(j?j=!1:this.expect(N.comma),c&&this.type===N.comma)F.push(null);else{if(T&&this.afterTrailingComma(r))break;if(this.type===N.ellipsis){var nt=this.parseRestBinding();this.parseBindingListItem(nt),F.push(nt),this.type===N.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.expect(r);break}else{var ht=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(ht),F.push(ht)}}return F},f.parseBindingListItem=function(r){return r},f.parseMaybeDefault=function(r,c,T){if(T=T||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(N.eq))return T;var F=this.startNodeAt(r,c);return F.left=T,F.right=this.parseMaybeAssign(),this.finishNode(F,"AssignmentPattern")},f.checkLVal=function(r,c,T){switch(c===void 0&&(c=Ni),r.type){case"Identifier":c===je&&r.name==="let"&&this.raiseRecoverable(r.start,"let is disallowed as a lexically bound name"),this.strict&&this.reservedWordsStrictBind.test(r.name)&&this.raiseRecoverable(r.start,(c?"Binding ":"Assigning to ")+r.name+" in strict mode"),T&&(Ct(T,r.name)&&this.raiseRecoverable(r.start,"Argument name clash"),T[r.name]=!0),c!==Ni&&c!==tn&&this.declareName(r.name,c,r.start);break;case"ChainExpression":this.raiseRecoverable(r.start,"Optional chaining cannot appear in left-hand side");break;case"MemberExpression":c&&this.raiseRecoverable(r.start,"Binding member expression");break;case"ObjectPattern":for(var F=0,j=r.properties;F<j.length;F+=1){var nt=j[F];this.checkLVal(nt,c,T)}break;case"Property":this.checkLVal(r.value,c,T);break;case"ArrayPattern":for(var ht=0,kt=r.elements;ht<kt.length;ht+=1){var Et=kt[ht];Et&&this.checkLVal(Et,c,T)}break;case"AssignmentPattern":this.checkLVal(r.left,c,T);break;case"RestElement":this.checkLVal(r.argument,c,T);break;case"ParenthesizedExpression":this.checkLVal(r.expression,c,T);break;default:this.raise(r.start,(c?"Binding":"Assigning to")+" rvalue")}};var d=ae.prototype;d.checkPropClash=function(r,c,T){if(!(this.options.ecmaVersion>=9&&r.type==="SpreadElement")&&!(this.options.ecmaVersion>=6&&(r.computed||r.method||r.shorthand))){var F=r.key,j;switch(F.type){case"Identifier":j=F.name;break;case"Literal":j=String(F.value);break;default:return}var nt=r.kind;if(this.options.ecmaVersion>=6){j==="__proto__"&&nt==="init"&&(c.proto&&(T?T.doubleProto<0&&(T.doubleProto=F.start):this.raiseRecoverable(F.start,"Redefinition of __proto__ property")),c.proto=!0);return}j="$"+j;var ht=c[j];if(ht){var kt;nt==="init"?kt=this.strict&&ht.init||ht.get||ht.set:kt=ht.init||ht[nt],kt&&this.raiseRecoverable(F.start,"Redefinition of property")}else ht=c[j]={init:!1,get:!1,set:!1};ht[nt]=!0}},d.parseExpression=function(r,c){var T=this.start,F=this.startLoc,j=this.parseMaybeAssign(r,c);if(this.type===N.comma){var nt=this.startNodeAt(T,F);for(nt.expressions=[j];this.eat(N.comma);)nt.expressions.push(this.parseMaybeAssign(r,c));return this.finishNode(nt,"SequenceExpression")}return j},d.parseMaybeAssign=function(r,c,T){if(this.isContextual("yield")){if(this.inGenerator)return this.parseYield(r);this.exprAllowed=!1}var F=!1,j=-1,nt=-1;c?(j=c.parenthesizedAssign,nt=c.trailingComma,c.parenthesizedAssign=c.trailingComma=-1):(c=new re,F=!0);var ht=this.start,kt=this.startLoc;(this.type===N.parenL||this.type===N.name)&&(this.potentialArrowAt=this.start);var Et=this.parseMaybeConditional(r,c);if(T&&(Et=T.call(this,Et,ht,kt)),this.type.isAssign){var Ut=this.startNodeAt(ht,kt);return Ut.operator=this.value,Ut.left=this.type===N.eq?this.toAssignable(Et,!1,c):Et,F||(c.parenthesizedAssign=c.trailingComma=c.doubleProto=-1),c.shorthandAssign>=Ut.left.start&&(c.shorthandAssign=-1),this.checkLVal(Et),this.next(),Ut.right=this.parseMaybeAssign(r),this.finishNode(Ut,"AssignmentExpression")}else F&&this.checkExpressionErrors(c,!0);return j>-1&&(c.parenthesizedAssign=j),nt>-1&&(c.trailingComma=nt),Et},d.parseMaybeConditional=function(r,c){var T=this.start,F=this.startLoc,j=this.parseExprOps(r,c);if(this.checkExpressionErrors(c))return j;if(this.eat(N.question)){var nt=this.startNodeAt(T,F);return nt.test=j,nt.consequent=this.parseMaybeAssign(),this.expect(N.colon),nt.alternate=this.parseMaybeAssign(r),this.finishNode(nt,"ConditionalExpression")}return j},d.parseExprOps=function(r,c){var T=this.start,F=this.startLoc,j=this.parseMaybeUnary(c,!1);return this.checkExpressionErrors(c)||j.start===T&&j.type==="ArrowFunctionExpression"?j:this.parseExprOp(j,T,F,-1,r)},d.parseExprOp=function(r,c,T,F,j){var nt=this.type.binop;if(nt!=null&&(!j||this.type!==N._in)&&nt>F){var ht=this.type===N.logicalOR||this.type===N.logicalAND,kt=this.type===N.coalesce;kt&&(nt=N.logicalAND.binop);var Et=this.value;this.next();var Ut=this.start,Zt=this.startLoc,ve=this.parseExprOp(this.parseMaybeUnary(null,!1),Ut,Zt,nt,j),ri=this.buildBinary(c,T,r,ve,Et,ht||kt);return(ht&&this.type===N.coalesce||kt&&(this.type===N.logicalOR||this.type===N.logicalAND))&&this.raiseRecoverable(this.start,"Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"),this.parseExprOp(ri,c,T,F,j)}return r},d.buildBinary=function(r,c,T,F,j,nt){var ht=this.startNodeAt(r,c);return ht.left=T,ht.operator=j,ht.right=F,this.finishNode(ht,nt?"LogicalExpression":"BinaryExpression")},d.parseMaybeUnary=function(r,c){var T=this.start,F=this.startLoc,j;if(this.isContextual("await")&&(this.inAsync||!this.inFunction&&this.options.allowAwaitOutsideFunction))j=this.parseAwait(),c=!0;else if(this.type.prefix){var nt=this.startNode(),ht=this.type===N.incDec;nt.operator=this.value,nt.prefix=!0,this.next(),nt.argument=this.parseMaybeUnary(null,!0),this.checkExpressionErrors(r,!0),ht?this.checkLVal(nt.argument):this.strict&&nt.operator==="delete"&&nt.argument.type==="Identifier"?this.raiseRecoverable(nt.start,"Deleting local variable in strict mode"):c=!0,j=this.finishNode(nt,ht?"UpdateExpression":"UnaryExpression")}else{if(j=this.parseExprSubscripts(r),this.checkExpressionErrors(r))return j;for(;this.type.postfix&&!this.canInsertSemicolon();){var kt=this.startNodeAt(T,F);kt.operator=this.value,kt.prefix=!1,kt.argument=j,this.checkLVal(j),this.next(),j=this.finishNode(kt,"UpdateExpression")}}return!c&&this.eat(N.starstar)?this.buildBinary(T,F,j,this.parseMaybeUnary(null,!1),"**",!1):j},d.parseExprSubscripts=function(r){var c=this.start,T=this.startLoc,F=this.parseExprAtom(r);if(F.type==="ArrowFunctionExpression"&&this.input.slice(this.lastTokStart,this.lastTokEnd)!==")")return F;var j=this.parseSubscripts(F,c,T);return r&&j.type==="MemberExpression"&&(r.parenthesizedAssign>=j.start&&(r.parenthesizedAssign=-1),r.parenthesizedBind>=j.start&&(r.parenthesizedBind=-1)),j},d.parseSubscripts=function(r,c,T,F){for(var j=this.options.ecmaVersion>=8&&r.type==="Identifier"&&r.name==="async"&&this.lastTokEnd===r.end&&!this.canInsertSemicolon()&&r.end-r.start===5&&this.potentialArrowAt===r.start,nt=!1;;){var ht=this.parseSubscript(r,c,T,F,j,nt);if(ht.optional&&(nt=!0),ht===r||ht.type==="ArrowFunctionExpression"){if(nt){var kt=this.startNodeAt(c,T);kt.expression=ht,ht=this.finishNode(kt,"ChainExpression")}return ht}r=ht}},d.parseSubscript=function(r,c,T,F,j,nt){var ht=this.options.ecmaVersion>=11,kt=ht&&this.eat(N.questionDot);F&&kt&&this.raise(this.lastTokStart,"Optional chaining cannot appear in the callee of new expressions");var Et=this.eat(N.bracketL);if(Et||kt&&this.type!==N.parenL&&this.type!==N.backQuote||this.eat(N.dot)){var Ut=this.startNodeAt(c,T);Ut.object=r,Ut.property=Et?this.parseExpression():this.parseIdent(this.options.allowReserved!=="never"),Ut.computed=!!Et,Et&&this.expect(N.bracketR),ht&&(Ut.optional=kt),r=this.finishNode(Ut,"MemberExpression")}else if(!F&&this.eat(N.parenL)){var Zt=new re,ve=this.yieldPos,ri=this.awaitPos,di=this.awaitIdentPos;this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0;var Ri=this.parseExprList(N.parenR,this.options.ecmaVersion>=8,!1,Zt);if(j&&!kt&&!this.canInsertSemicolon()&&this.eat(N.arrow))return this.checkPatternErrors(Zt,!1),this.checkYieldAwaitInDefaultParams(),this.awaitIdentPos>0&&this.raise(this.awaitIdentPos,"Cannot use 'await' as identifier inside an async function"),this.yieldPos=ve,this.awaitPos=ri,this.awaitIdentPos=di,this.parseArrowExpression(this.startNodeAt(c,T),Ri,!0);this.checkExpressionErrors(Zt,!0),this.yieldPos=ve||this.yieldPos,this.awaitPos=ri||this.awaitPos,this.awaitIdentPos=di||this.awaitIdentPos;var pi=this.startNodeAt(c,T);pi.callee=r,pi.arguments=Ri,ht&&(pi.optional=kt),r=this.finishNode(pi,"CallExpression")}else if(this.type===N.backQuote){(kt||nt)&&this.raise(this.start,"Optional cha