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2// various contributors and released under an MIT license.
3//
4// Git repositories for Acorn are available at
5//
6// http://marijnhaverbeke.nl/git/acorn
7// https://github.com/marijnh/acorn.git
8//
9// Please use the [github bug tracker][ghbt] to report issues.
10//
11// [ghbt]: https://github.com/marijnh/acorn/issues
12//
13// This file defines the main parser interface. The library also comes
14// with a [error-tolerant parser][dammit] and an
15// [abstract syntax tree walker][walk], defined in other files.
16//
17// [dammit]: acorn_loose.js
18// [walk]: util/walk.js
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20// Copyright Joyent, Inc. and other Node contributors.
21//
22// Permission is hereby granted, free of charge, to any person obtaining a
23// copy of this software and associated documentation files (the
24// "Software"), to deal in the Software without restriction, including
25// without limitation the rights to use, copy, modify, merge, publish,
26// distribute, sublicense, and/or sell copies of the Software, and to permit
27// persons to whom the Software is furnished to do so, subject to the
28// following conditions:
29//
30// The above copyright notice and this permission notice shall be included
31// in all copies or substantial portions of the Software.
32//
33// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
34// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
35// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
36// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
37// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
38// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
39// USE OR OTHER DEALINGS IN THE SOFTWARE.
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this.parseIdent();switch(this.type){case d.name:return this.parseIdent();case d.bracketL:var a=this.startNode();return this.next(),a.elements=this.parseBindingList(d.bracketR,!0,!0),this.finishNode(a,"ArrayPattern");case d.braceL:return this.parseObj(!0);default:this.unexpected()}},h.parseBindingList=function(a,b,c){for(var e=[],f=!0;!this.eat(a);)if(f?f=!1:this.expect(d.comma),b&&this.type===d.comma)e.push(null);else{if(c&&this.afterTrailingComma(a))break;if(this.type===d.ellipsis){var g=this.parseRest();this.parseBindingListItem(g),e.push(g),this.expect(a);break}var h=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(h),e.push(h)}return e},h.parseBindingListItem=function(a){return a},h.parseMaybeDefault=function(a,b,c){if(Array.isArray(a)&&this.options.locations&&void 0===noCalls&&(c=b,b=a[1],a=a[0]),c=c||this.parseBindingAtom(),!this.eat(d.eq))return c;var e=this.startNodeAt(a,b);return e.operator="=",e.left=c,e.right=this.parseMaybeAssign(),this.finishNode(e,"AssignmentPattern")},h.checkLVal=function(a,b,c){switch(a.type){case"Identifier":this.strict&&(f.strictBind(a.name)||f.strict(a.name))&&this.raise(a.start,(b?"Binding ":"Assigning to ")+a.name+" in strict mode"),c&&(g(c,a.name)&&this.raise(a.start,"Argument name clash in strict mode"),c[a.name]=!0);break;case"MemberExpression":b&&this.raise(a.start,(b?"Binding":"Assigning to")+" member expression");break;case"ObjectPattern":for(var d=0;d<a.properties.length;d++)this.checkLVal(a.properties[d].value,b,c);break;case"ArrayPattern":for(var d=0;d<a.elements.length;d++){var e=a.elements[d];e&&this.checkLVal(e,b,c)}break;case"AssignmentPattern":this.checkLVal(a.left,b,c);break;case"RestElement":this.checkLVal(a.argument,b,c);break;case"ParenthesizedExpression":this.checkLVal(a.expression,b,c);break;default:this.raise(a.start,(b?"Binding":"Assigning to")+" rvalue")}}},{"./identifier":7,"./state":13,"./tokentype":17,"./util":18}],10:[function(a,b,c){"use strict";var d=function(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")};c.__esModule=!0;var e=a("./state").Parser,f=a("./location").SourceLocation,g=e.prototype,h=c.Node=function i(){d(this,i)};g.startNode=function(){var a=new h;return a.start=this.start,this.options.locations&&(a.loc=new f(this,this.startLoc)),this.options.directSourceFile&&(a.sourceFile=this.options.directSourceFile),this.options.ranges&&(a.range=[this.start,0]),a},g.startNodeAt=function(a,b){var c=new h;return Array.isArray(a)&&this.options.locations&&void 0===b&&(b=a[1],a=a[0]),c.start=a,this.options.locations&&(c.loc=new f(this,b)),this.options.directSourceFile&&(c.sourceFile=this.options.directSourceFile),this.options.ranges&&(c.range=[a,0]),c},g.finishNode=function(a,b){return a.type=b,a.end=this.lastTokEnd,this.options.locations&&(a.loc.end=this.lastTokEndLoc),this.options.ranges&&(a.range[1]=this.lastTokEnd),a},g.finishNodeAt=function(a,b,c,d){return a.type=b,Array.isArray(c)&&this.options.locations&&void 0===d&&(d=c[1],c=c[0]),a.end=c,this.options.locations&&(a.loc.end=d),this.options.ranges&&(a.range[1]=c),a}},{"./location":8,"./state":13}],11:[function(a,b,c){"use strict";function d(a){var b={};for(var c in j)b[c]=a&&g(a,c)?a[c]:j[c];return h(b.onToken)&&!function(){var a=b.onToken;b.onToken=function(b){return a.push(b)}}(),h(b.onComment)&&(b.onComment=e(b,b.onComment)),b}function e(a,b){return function(c,d,e,f,g,h){var j={type:c?"Block":"Line",value:d,start:e,end:f};a.locations&&(j.loc=new i(this,g,h)),a.ranges&&(j.range=[e,f]),b.push(j)}}c.getOptions=d,c.__esModule=!0;var f=a("./util"),g=f.has,h=f.isArray,i=a("./location").SourceLocation,j={ecmaVersion:5,sourceType:"script",onInsertedSemicolon:null,onTrailingComma:null,allowReserved:!0,allowReturnOutsideFunction:!1,allowImportExportEverywhere:!1,allowHashBang:!1,locations:!1,onToken:null,onComment:null,ranges:!1,program:null,sourceFile:null,directSourceFile:null,preserveParens:!1,plugins:{}};c.defaultOptions=j},{"./location":8,"./util":18}],12:[function(a,b,c){"use strict";var d=a("./tokentype").types,e=a("./state").Parser,f=a("./whitespace").lineBreak,g=e.prototype;g.isUseStrict=function(a){return this.options.ecmaVersion>=5&&"ExpressionStatement"===a.type&&"Literal"===a.expression.type&&"use strict"===a.expression.value},g.eat=function(a){return this.type===a?(this.next(),!0):!1},g.isContextual=function(a){return this.type===d.name&&this.value===a},g.eatContextual=function(a){return this.value===a&&this.eat(d.name)},g.expectContextual=function(a){this.eatContextual(a)||this.unexpected()},g.canInsertSemicolon=function(){return this.type===d.eof||this.type===d.braceR||f.test(this.input.slice(this.lastTokEnd,this.start))},g.insertSemicolon=function(){return this.canInsertSemicolon()?(this.options.onInsertedSemicolon&&this.options.onInsertedSemicolon(this.lastTokEnd,this.lastTokEndLoc),!0):void 0},g.semicolon=function(){this.eat(d.semi)||this.insertSemicolon()||this.unexpected()},g.afterTrailingComma=function(a){return this.type==a?(this.options.onTrailingComma&&this.options.onTrailingComma(this.lastTokStart,this.lastTokStartLoc),this.next(),!0):void 0},g.expect=function(a){this.eat(a)||this.unexpected()},g.unexpected=function(a){this.raise(null!=a?a:this.start,"Unexpected token")}},{"./state":13,"./tokentype":17,"./whitespace":19}],13:[function(a,b,c){"use strict";function d(a,b,c){this.options=a,this.sourceFile=this.options.sourceFile||null,this.isKeyword=g[this.options.ecmaVersion>=6?6:5],this.isReservedWord=f[this.options.ecmaVersion],this.input=b,this.loadPlugins(this.options.plugins),c?(this.pos=c,this.lineStart=Math.max(0,this.input.lastIndexOf("\n",c)),this.curLine=this.input.slice(0,this.lineStart).split(i).length):(this.pos=this.lineStart=0,this.curLine=1),this.type=h.eof,this.value=null,this.start=this.end=this.pos,this.startLoc=this.endLoc=null,this.lastTokEndLoc=this.lastTokStartLoc=null,this.lastTokStart=this.lastTokEnd=this.pos,this.context=this.initialContext(),this.exprAllowed=!0,this.strict=this.inModule="module"===this.options.sourceType,this.potentialArrowAt=-1,this.inFunction=this.inGenerator=!1,this.labels=[],0===this.pos&&this.options.allowHashBang&&"#!"===this.input.slice(0,2)&&this.skipLineComment(2)}c.Parser=d,c.__esModule=!0;var e=a("./identifier"),f=e.reservedWords,g=e.keywords,h=a("./tokentype").types,i=a("./whitespace").lineBreak;d.prototype.extend=function(a,b){this[a]=b(this[a])};var j={};c.plugins=j,d.prototype.loadPlugins=function(a){for(var b in a){var d=c.plugins[b];if(!d)throw new Error("Plugin '"+b+"' not found");d(this,a[b])}}},{"./identifier":7,"./tokentype":17,"./whitespace":19}],14:[function(a,b,c){"use strict";var d=a("./tokentype").types,e=a("./state").Parser,f=a("./whitespace").lineBreak,g=e.prototype;g.parseTopLevel=function(a){var b=!0;for(a.body||(a.body=[]);this.type!==d.eof;){var c=this.parseStatement(!0,!0);a.body.push(c),b&&this.isUseStrict(c)&&this.setStrict(!0),b=!1}return this.next(),this.options.ecmaVersion>=6&&(a.sourceType=this.options.sourceType),this.finishNode(a,"Program")};var h={kind:"loop"},i={kind:"switch"};g.parseStatement=function(a,b){var c=this.type,e=this.startNode();switch(c){case d._break:case d._continue:return this.parseBreakContinueStatement(e,c.keyword);case d._debugger:return this.parseDebuggerStatement(e);case d._do:return this.parseDoStatement(e);case d._for:return this.parseForStatement(e);case d._function:return!a&&this.options.ecmaVersion>=6&&this.unexpected(),this.parseFunctionStatement(e);case d._class:return a||this.unexpected(),this.parseClass(e,!0);case d._if:return this.parseIfStatement(e);case d._return:return this.parseReturnStatement(e);case d._switch:return this.parseSwitchStatement(e);case d._throw:return this.parseThrowStatement(e);case d._try:return this.parseTryStatement(e);case d._let:case d._const:a||this.unexpected();case d._var:return this.parseVarStatement(e,c);case d._while:return this.parseWhileStatement(e);case d._with:return this.parseWithStatement(e);case d.braceL:return this.parseBlock();case d.semi:return this.parseEmptyStatement(e);case d._export:case d._import:return this.options.allowImportExportEverywhere||(b||this.raise(this.start,"'import' and 'export' may only appear at the top level"),this.inModule||this.raise(this.start,"'import' and 'export' may appear only with 'sourceType: module'")),c===d._import?this.parseImport(e):this.parseExport(e);default:var f=this.value,g=this.parseExpression();return c===d.name&&"Identifier"===g.type&&this.eat(d.colon)?this.parseLabeledStatement(e,f,g):this.parseExpressionStatement(e,g)}},g.parseBreakContinueStatement=function(a,b){var c="break"==b;this.next(),this.eat(d.semi)||this.insertSemicolon()?a.label=null:this.type!==d.name?this.unexpected():(a.label=this.parseIdent(),this.semicolon());for(var e=0;e<this.labels.length;++e){var f=this.labels[e];if(null==a.label||f.name===a.label.name){if(null!=f.kind&&(c||"loop"===f.kind))break;if(a.label&&c)break}}return e===this.labels.length&&this.raise(a.start,"Unsyntactic "+b),this.finishNode(a,c?"BreakStatement":"ContinueStatement")},g.parseDebuggerStatement=function(a){return this.next(),this.semicolon(),this.finishNode(a,"DebuggerStatement")},g.parseDoStatement=function(a){return this.next(),this.labels.push(h),a.body=this.parseStatement(!1),this.labels.pop(),this.expect(d._while),a.test=this.parseParenExpression(),this.options.ecmaVersion>=6?this.eat(d.semi):this.semicolon(),this.finishNode(a,"DoWhileStatement")},g.parseForStatement=function(a){if(this.next(),this.labels.push(h),this.expect(d.parenL),this.type===d.semi)return this.parseFor(a,null);if(this.type===d._var||this.type===d._let||this.type===d._const){var b=this.startNode(),c=this.type;return this.next(),this.parseVar(b,!0,c),this.finishNode(b,"VariableDeclaration"),!(this.type===d._in||this.options.ecmaVersion>=6&&this.isContextual("of"))||1!==b.declarations.length||c!==d._var&&b.declarations[0].init?this.parseFor(a,b):this.parseForIn(a,b)}var e={start:0},f=this.parseExpression(!0,e);return this.type===d._in||this.options.ecmaVersion>=6&&this.isContextual("of")?(this.toAssignable(f),
41this.checkLVal(f),this.parseForIn(a,f)):(e.start&&this.unexpected(e.start),this.parseFor(a,f))},g.parseFunctionStatement=function(a){return this.next(),this.parseFunction(a,!0)},g.parseIfStatement=function(a){return this.next(),a.test=this.parseParenExpression(),a.consequent=this.parseStatement(!1),a.alternate=this.eat(d._else)?this.parseStatement(!1):null,this.finishNode(a,"IfStatement")},g.parseReturnStatement=function(a){return this.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.start,"'return' outside of function"),this.next(),this.eat(d.semi)||this.insertSemicolon()?a.argument=null:(a.argument=this.parseExpression(),this.semicolon()),this.finishNode(a,"ReturnStatement")},g.parseSwitchStatement=function(a){this.next(),a.discriminant=this.parseParenExpression(),a.cases=[],this.expect(d.braceL),this.labels.push(i);for(var b,c;this.type!=d.braceR;)if(this.type===d._case||this.type===d._default){var e=this.type===d._case;b&&this.finishNode(b,"SwitchCase"),a.cases.push(b=this.startNode()),b.consequent=[],this.next(),e?b.test=this.parseExpression():(c&&this.raise(this.lastTokStart,"Multiple default clauses"),c=!0,b.test=null),this.expect(d.colon)}else b||this.unexpected(),b.consequent.push(this.parseStatement(!0));return b&&this.finishNode(b,"SwitchCase"),this.next(),this.labels.pop(),this.finishNode(a,"SwitchStatement")},g.parseThrowStatement=function(a){return this.next(),f.test(this.input.slice(this.lastTokEnd,this.start))&&this.raise(this.lastTokEnd,"Illegal newline after throw"),a.argument=this.parseExpression(),this.semicolon(),this.finishNode(a,"ThrowStatement")};var j=[];g.parseTryStatement=function(a){if(this.next(),a.block=this.parseBlock(),a.handler=null,this.type===d._catch){var b=this.startNode();this.next(),this.expect(d.parenL),b.param=this.parseBindingAtom(),this.checkLVal(b.param,!0),this.expect(d.parenR),b.guard=null,b.body=this.parseBlock(),a.handler=this.finishNode(b,"CatchClause")}return a.guardedHandlers=j,a.finalizer=this.eat(d._finally)?this.parseBlock():null,a.handler||a.finalizer||this.raise(a.start,"Missing catch or finally clause"),this.finishNode(a,"TryStatement")},g.parseVarStatement=function(a,b){return this.next(),this.parseVar(a,!1,b),this.semicolon(),this.finishNode(a,"VariableDeclaration")},g.parseWhileStatement=function(a){return this.next(),a.test=this.parseParenExpression(),this.labels.push(h),a.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(a,"WhileStatement")},g.parseWithStatement=function(a){return this.strict&&this.raise(this.start,"'with' in strict mode"),this.next(),a.object=this.parseParenExpression(),a.body=this.parseStatement(!1),this.finishNode(a,"WithStatement")},g.parseEmptyStatement=function(a){return this.next(),this.finishNode(a,"EmptyStatement")},g.parseLabeledStatement=function(a,b,c){for(var e=0;e<this.labels.length;++e)this.labels[e].name===b&&this.raise(c.start,"Label '"+b+"' is already declared");var f=this.type.isLoop?"loop":this.type===d._switch?"switch":null;return this.labels.push({name:b,kind:f}),a.body=this.parseStatement(!0),this.labels.pop(),a.label=c,this.finishNode(a,"LabeledStatement")},g.parseExpressionStatement=function(a,b){return a.expression=b,this.semicolon(),this.finishNode(a,"ExpressionStatement")},g.parseBlock=function(a){var b=this.startNode(),c=!0,e=void 0;for(b.body=[],this.expect(d.braceL);!this.eat(d.braceR);){var f=this.parseStatement(!0);b.body.push(f),c&&a&&this.isUseStrict(f)&&(e=this.strict,this.setStrict(this.strict=!0)),c=!1}return e===!1&&this.setStrict(!1),this.finishNode(b,"BlockStatement")},g.parseFor=function(a,b){return a.init=b,this.expect(d.semi),a.test=this.type===d.semi?null:this.parseExpression(),this.expect(d.semi),a.update=this.type===d.parenR?null:this.parseExpression(),this.expect(d.parenR),a.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(a,"ForStatement")},g.parseForIn=function(a,b){var c=this.type===d._in?"ForInStatement":"ForOfStatement";return this.next(),a.left=b,a.right=this.parseExpression(),this.expect(d.parenR),a.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(a,c)},g.parseVar=function(a,b,c){for(a.declarations=[],a.kind=c.keyword;;){var e=this.startNode();if(this.parseVarId(e),this.eat(d.eq)?e.init=this.parseMaybeAssign(b):c!==d._const||this.type===d._in||this.options.ecmaVersion>=6&&this.isContextual("of")?"Identifier"==e.id.type||b&&(this.type===d._in||this.isContextual("of"))?e.init=null:this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value"):this.unexpected(),a.declarations.push(this.finishNode(e,"VariableDeclarator")),!this.eat(d.comma))break}return a},g.parseVarId=function(a){a.id=this.parseBindingAtom(),this.checkLVal(a.id,!0)},g.parseFunction=function(a,b,c){return this.initFunction(a),this.options.ecmaVersion>=6&&(a.generator=this.eat(d.star)),(b||this.type===d.name)&&(a.id=this.parseIdent()),this.parseFunctionParams(a),this.parseFunctionBody(a,c),this.finishNode(a,b?"FunctionDeclaration":"FunctionExpression")},g.parseFunctionParams=function(a){this.expect(d.parenL),a.params=this.parseBindingList(d.parenR,!1,!1)},g.parseClass=function(a,b){this.next(),this.parseClassId(a,b),this.parseClassSuper(a);var c=this.startNode(),e=!1;for(c.body=[],this.expect(d.braceL);!this.eat(d.braceR);)if(!this.eat(d.semi)){var f=this.startNode(),g=this.eat(d.star),h=this.type===d.name&&"static"===this.value;if(this.parsePropertyName(f),f["static"]=h&&this.type!==d.parenL,f["static"]&&(g&&this.unexpected(),g=this.eat(d.star),this.parsePropertyName(f)),f.kind="method",!f.computed){var i=f.key,j=!1;g||"Identifier"!==i.type||this.type===d.parenL||"get"!==i.name&&"set"!==i.name||(j=!0,f.kind=i.name,i=this.parsePropertyName(f)),!f["static"]&&("Identifier"===i.type&&"constructor"===i.name||"Literal"===i.type&&"constructor"===i.value)&&(e&&this.raise(i.start,"Duplicate constructor in the same class"),j&&this.raise(i.start,"Constructor can't have get/set modifier"),g&&this.raise(i.start,"Constructor can't be a generator"),f.kind="constructor",e=!0)}this.parseClassMethod(c,f,g)}return a.body=this.finishNode(c,"ClassBody"),this.finishNode(a,b?"ClassDeclaration":"ClassExpression")},g.parseClassMethod=function(a,b,c){b.value=this.parseMethod(c),a.body.push(this.finishNode(b,"MethodDefinition"))},g.parseClassId=function(a,b){a.id=this.type===d.name?this.parseIdent():b?this.unexpected():null},g.parseClassSuper=function(a){a.superClass=this.eat(d._extends)?this.parseExprSubscripts():null},g.parseExport=function(a){if(this.next(),this.eat(d.star))return this.expectContextual("from"),a.source=this.type===d.string?this.parseExprAtom():this.unexpected(),this.semicolon(),this.finishNode(a,"ExportAllDeclaration");if(this.eat(d._default)){var b=this.parseMaybeAssign(),c=!0;return("FunctionExpression"==b.type||"ClassExpression"==b.type)&&(c=!1,b.id&&(b.type="FunctionExpression"==b.type?"FunctionDeclaration":"ClassDeclaration")),a.declaration=b,c&&this.semicolon(),this.finishNode(a,"ExportDefaultDeclaration")}return this.shouldParseExportStatement()?(a.declaration=this.parseStatement(!0),a.specifiers=[],a.source=null):(a.declaration=null,a.specifiers=this.parseExportSpecifiers(),this.eatContextual("from")?a.source=this.type===d.string?this.parseExprAtom():this.unexpected():a.source=null,this.semicolon()),this.finishNode(a,"ExportNamedDeclaration")},g.shouldParseExportStatement=function(){return this.type.keyword},g.parseExportSpecifiers=function(){var a=[],b=!0;for(this.expect(d.braceL);!this.eat(d.braceR);){if(b)b=!1;else if(this.expect(d.comma),this.afterTrailingComma(d.braceR))break;var c=this.startNode();c.local=this.parseIdent(this.type===d._default),c.exported=this.eatContextual("as")?this.parseIdent(!0):c.local,a.push(this.finishNode(c,"ExportSpecifier"))}return a},g.parseImport=function(a){return this.next(),this.type===d.string?(a.specifiers=j,a.source=this.parseExprAtom(),a.kind=""):(a.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),a.source=this.type===d.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(a,"ImportDeclaration")},g.parseImportSpecifiers=function(){var a=[],b=!0;if(this.type===d.name){var c=this.startNode();if(c.local=this.parseIdent(),this.checkLVal(c.local,!0),a.push(this.finishNode(c,"ImportDefaultSpecifier")),!this.eat(d.comma))return a}if(this.type===d.star){var c=this.startNode();return this.next(),this.expectContextual("as"),c.local=this.parseIdent(),this.checkLVal(c.local,!0),a.push(this.finishNode(c,"ImportNamespaceSpecifier")),a}for(this.expect(d.braceL);!this.eat(d.braceR);){if(b)b=!1;else if(this.expect(d.comma),this.afterTrailingComma(d.braceR))break;var c=this.startNode();c.imported=this.parseIdent(!0),c.local=this.eatContextual("as")?this.parseIdent():c.imported,this.checkLVal(c.local,!0),a.push(this.finishNode(c,"ImportSpecifier"))}return a}},{"./state":13,"./tokentype":17,"./whitespace":19}],15:[function(a,b,c){"use strict";var d=function(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")};c.__esModule=!0;var e=a("./state").Parser,f=a("./tokentype").types,g=a("./whitespace").lineBreak,h=c.TokContext=function k(a,b,c,e){d(this,k),this.token=a,this.isExpr=b,this.preserveSpace=c,this.override=e},i={b_stat:new h("{",!1),b_expr:new h("{",!0),b_tmpl:new h("${",!0),p_stat:new h("(",!1),p_expr:new h("(",!0),q_tmpl:new h("`",!0,!0,function(a){return a.readTmplToken()}),f_expr:new h("function",!0)};c.types=i;var j=e.prototype;j.initialContext=function(){return[i.b_stat]},j.braceIsBlock=function(a){var b=void 0;return a===f.colon&&"{"==(b=this.curContext()).token?!b.isExpr:a===f._return?g.test(this.input.slice(this.lastTokEnd,this.start)):a===f._else||a===f.semi||a===f.eof?!0:a==f.braceL?this.curContext()===i.b_stat:!this.exprAllowed},j.updateContext=function(a){var b=void 0,c=this.type;c.keyword&&a==f.dot?this.exprAllowed=!1:(b=c.updateContext)?b.call(this,a):this.exprAllowed=c.beforeExpr},f.parenR.updateContext=f.braceR.updateContext=function(){if(1==this.context.length)return void(this.exprAllowed=!0);var a=this.context.pop();a===i.b_stat&&this.curContext()===i.f_expr?(this.context.pop(),this.exprAllowed=!1):a===i.b_tmpl?this.exprAllowed=!0:this.exprAllowed=!a.isExpr},f.braceL.updateContext=function(a){this.context.push(this.braceIsBlock(a)?i.b_stat:i.b_expr),this.exprAllowed=!0},f.dollarBraceL.updateContext=function(){this.context.push(i.b_tmpl),this.exprAllowed=!0},f.parenL.updateContext=function(a){var b=a===f._if||a===f._for||a===f._with||a===f._while;this.context.push(b?i.p_stat:i.p_expr),this.exprAllowed=!0},f.incDec.updateContext=function(){},f._function.updateContext=function(){this.curContext()!==i.b_stat&&this.context.push(i.f_expr),this.exprAllowed=!1},f.backQuote.updateContext=function(){this.curContext()===i.q_tmpl?this.context.pop():this.context.push(i.q_tmpl),this.exprAllowed=!1}},{"./state":13,"./tokentype":17,"./whitespace":19}],16:[function(a,b,c){"use strict";function d(a){return 65535>=a?String.fromCharCode(a):String.fromCharCode((a-65536>>10)+55296,(a-65536&1023)+56320)}var e=function(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")};c.__esModule=!0;var f=a("./identifier"),g=f.isIdentifierStart,h=f.isIdentifierChar,i=a("./tokentype"),j=i.types,k=i.keywords,l=a("./state").Parser,m=a("./location").SourceLocation,n=a("./whitespace"),o=n.lineBreak,p=n.lineBreakG,q=n.isNewLine,r=n.nonASCIIwhitespace,s=c.Token=function y(a){e(this,y),this.type=a.type,this.value=a.value,this.start=a.start,this.end=a.end,a.options.locations&&(this.loc=new m(a,a.startLoc,a.endLoc)),a.options.ranges&&(this.range=[a.start,a.end])},t=l.prototype,u="undefined"!=typeof Packages;t.next=function(){this.options.onToken&&this.options.onToken(new s(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},t.getToken=function(){return this.next(),new s(this)},"undefined"!=typeof Symbol&&(t[Symbol.iterator]=function(){var a=this;return{next:function(){var b=a.getToken();return{done:b.type===j.eof,value:b}}}}),t.setStrict=function(a){if(this.strict=a,this.type===j.num||this.type===j.string){if(this.pos=this.start,this.options.locations)for(;this.pos<this.lineStart;)this.lineStart=this.input.lastIndexOf("\n",this.lineStart-2)+1,--this.curLine;this.nextToken()}},t.curContext=function(){return this.context[this.context.length-1]},t.nextToken=function(){var a=this.curContext();return a&&a.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(j.eof):a.override?a.override(this):void this.readToken(this.fullCharCodeAtPos())},t.readToken=function(a){return g(a,this.options.ecmaVersion>=6)||92===a?this.readWord():this.getTokenFromCode(a)},t.fullCharCodeAtPos=function(){var a=this.input.charCodeAt(this.pos);if(55295>=a||a>=57344)return a;var b=this.input.charCodeAt(this.pos+1);return(a<<10)+b-56613888},t.skipBlockComment=function(){var a=this.options.onComment&&this.options.locations&&this.curPosition(),b=this.pos,c=this.input.indexOf("*/",this.pos+=2);if(-1===c&&this.raise(this.pos-2,"Unterminated comment"),this.pos=c+2,this.options.locations){p.lastIndex=b;for(var d=void 0;(d=p.exec(this.input))&&d.index<this.pos;)++this.curLine,this.lineStart=d.index+d[0].length}this.options.onComment&&this.options.onComment(!0,this.input.slice(b+2,c),b,this.pos,a,this.options.locations&&this.curPosition())},t.skipLineComment=function(a){for(var b=this.pos,c=this.options.onComment&&this.options.locations&&this.curPosition(),d=this.input.charCodeAt(this.pos+=a);this.pos<this.input.length&&10!==d&&13!==d&&8232!==d&&8233!==d;)++this.pos,d=this.input.charCodeAt(this.pos);this.options.onComment&&this.options.onComment(!1,this.input.slice(b+a,this.pos),b,this.pos,c,this.options.locations&&this.curPosition())},t.skipSpace=function(){for(;this.pos<this.input.length;){var a=this.input.charCodeAt(this.pos);if(32===a)++this.pos;else if(13===a){++this.pos;var b=this.input.charCodeAt(this.pos);10===b&&++this.pos,this.options.locations&&(++this.curLine,this.lineStart=this.pos)}else if(10===a||8232===a||8233===a)++this.pos,this.options.locations&&(++this.curLine,this.lineStart=this.pos);else if(a>8&&14>a)++this.pos;else if(47===a){var b=this.input.charCodeAt(this.pos+1);if(42===b)this.skipBlockComment();else{if(47!==b)break;this.skipLineComment(2)}}else if(160===a)++this.pos;else{if(!(a>=5760&&r.test(String.fromCharCode(a))))break;++this.pos}}},t.finishToken=function(a,b){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var c=this.type;this.type=a,this.value=b,this.updateContext(c)},t.readToken_dot=function(){var a=this.input.charCodeAt(this.pos+1);if(a>=48&&57>=a)return this.readNumber(!0);var b=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===a&&46===b?(this.pos+=3,this.finishToken(j.ellipsis)):(++this.pos,this.finishToken(j.dot))},t.readToken_slash=function(){var a=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===a?this.finishOp(j.assign,2):this.finishOp(j.slash,1)},t.readToken_mult_modulo=function(a){var b=this.input.charCodeAt(this.pos+1);return 61===b?this.finishOp(j.assign,2):this.finishOp(42===a?j.star:j.modulo,1)},t.readToken_pipe_amp=function(a){var b=this.input.charCodeAt(this.pos+1);return b===a?this.finishOp(124===a?j.logicalOR:j.logicalAND,2):61===b?this.finishOp(j.assign,2):this.finishOp(124===a?j.bitwiseOR:j.bitwiseAND,1)},t.readToken_caret=function(){var a=this.input.charCodeAt(this.pos+1);return 61===a?this.finishOp(j.assign,2):this.finishOp(j.bitwiseXOR,1)},t.readToken_plus_min=function(a){var b=this.input.charCodeAt(this.pos+1);return b===a?45==b&&62==this.input.charCodeAt(this.pos+2)&&o.test(this.input.slice(this.lastTokEnd,this.pos))?(this.skipLineComment(3),this.skipSpace(),this.nextToken()):this.finishOp(j.incDec,2):61===b?this.finishOp(j.assign,2):this.finishOp(j.plusMin,1)},t.readToken_lt_gt=function(a){var b=this.input.charCodeAt(this.pos+1),c=1;return b===a?(c=62===a&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+c)?this.finishOp(j.assign,c+1):this.finishOp(j.bitShift,c)):33==b&&60==a&&45==this.input.charCodeAt(this.pos+2)&&45==this.input.charCodeAt(this.pos+3)?(this.inModule&&this.unexpected(),this.skipLineComment(4),this.skipSpace(),this.nextToken()):(61===b&&(c=61===this.input.charCodeAt(this.pos+2)?3:2),this.finishOp(j.relational,c))},t.readToken_eq_excl=function(a){var b=this.input.charCodeAt(this.pos+1);return 61===b?this.finishOp(j.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===a&&62===b&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(j.arrow)):this.finishOp(61===a?j.eq:j.prefix,1)},t.getTokenFromCode=function(a){switch(a){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(j.parenL);case 41:return++this.pos,this.finishToken(j.parenR);case 59:return++this.pos,this.finishToken(j.semi);case 44:return++this.pos,this.finishToken(j.comma);case 91:return++this.pos,this.finishToken(j.bracketL);case 93:return++this.pos,this.finishToken(j.bracketR);case 123:return++this.pos,this.finishToken(j.braceL);case 125:return++this.pos,this.finishToken(j.braceR);case 58:return++this.pos,this.finishToken(j.colon);case 63:return++this.pos,this.finishToken(j.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(j.backQuote);case 48:var b=this.input.charCodeAt(this.pos+1);if(120===b||88===b)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===b||79===b)return this.readRadixNumber(8);if(98===b||66===b)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(a);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo(a);case 124:case 38:return this.readToken_pipe_amp(a);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(a);case 60:case 62:return this.readToken_lt_gt(a);case 61:case 33:return this.readToken_eq_excl(a);case 126:return this.finishOp(j.prefix,1)}this.raise(this.pos,"Unexpected character '"+d(a)+"'")},t.finishOp=function(a,b){var c=this.input.slice(this.pos,this.pos+b);return this.pos+=b,this.finishToken(a,c)};var v=!1;try{new RegExp("￿","u"),v=!0}catch(w){}t.readRegexp=function(){for(var a=void 0,b=void 0,c=this.pos;;){this.pos>=this.input.length&&this.raise(c,"Unterminated regular expression");var d=this.input.charAt(this.pos);if(o.test(d)&&this.raise(c,"Unterminated regular expression"),a)a=!1;else{if("["===d)b=!0;else if("]"===d&&b)b=!1;else if("/"===d&&!b)break;a="\\"===d}++this.pos}var e=this.input.slice(c,this.pos);++this.pos;var f=this.readWord1(),g=e;if(f){var h=/^[gmsiy]*$/;this.options.ecmaVersion>=6&&(h=/^[gmsiyu]*$/),h.test(f)||this.raise(c,"Invalid regular expression flag"),f.indexOf("u")>=0&&!v&&(g=g.replace(/\\u([a-fA-F0-9]{4})|\\u\{([0-9a-fA-F]+)\}|[\uD800-\uDBFF][\uDC00-\uDFFF]/g,"x"))}var i=null;if(!u){try{new RegExp(g)}catch(k){k instanceof SyntaxError&&this.raise(c,"Error parsing regular expression: "+k.message),this.raise(k)}try{i=new RegExp(e,f)}catch(l){}}return this.finishToken(j.regexp,{pattern:e,flags:f,value:i})},t.readInt=function(a,b){for(var c=this.pos,d=0,e=0,f=null==b?1/0:b;f>e;++e){var g=this.input.charCodeAt(this.pos),h=void 0;if(h=g>=97?g-97+10:g>=65?g-65+10:g>=48&&57>=g?g-48:1/0,h>=a)break;++this.pos,d=d*a+h}return this.pos===c||null!=b&&this.pos-c!==b?null:d},t.readRadixNumber=function(a){this.pos+=2;var b=this.readInt(a);return null==b&&this.raise(this.start+2,"Expected number in radix "+a),g(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(j.num,b)},t.readNumber=function(a){var b=this.pos,c=!1,d=48===this.input.charCodeAt(this.pos);a||null!==this.readInt(10)||this.raise(b,"Invalid number"),46===this.input.charCodeAt(this.pos)&&(++this.pos,this.readInt(10),c=!0);var e=this.input.charCodeAt(this.pos);(69===e||101===e)&&(e=this.input.charCodeAt(++this.pos),(43===e||45===e)&&++this.pos,null===this.readInt(10)&&this.raise(b,"Invalid number"),c=!0),g(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var f=this.input.slice(b,this.pos),h=void 0;return c?h=parseFloat(f):d&&1!==f.length?/[89]/.test(f)||this.strict?this.raise(b,"Invalid number"):h=parseInt(f,8):h=parseInt(f,10),this.finishToken(j.num,h)},t.readCodePoint=function(){var a=this.input.charCodeAt(this.pos),b=void 0;return 123===a?(this.options.ecmaVersion<6&&this.unexpected(),++this.pos,b=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,b>1114111&&this.unexpected()):b=this.readHexChar(4),b},t.readString=function(a){for(var b="",c=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var d=this.input.charCodeAt(this.pos);if(d===a)break;92===d?(b+=this.input.slice(c,this.pos),b+=this.readEscapedChar(),c=this.pos):(q(d)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return b+=this.input.slice(c,this.pos++),this.finishToken(j.string,b)},t.readTmplToken=function(){for(var a="",b=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated template");var c=this.input.charCodeAt(this.pos);if(96===c||36===c&&123===this.input.charCodeAt(this.pos+1))return this.pos===this.start&&this.type===j.template?36===c?(this.pos+=2,this.finishToken(j.dollarBraceL)):(++this.pos,this.finishToken(j.backQuote)):(a+=this.input.slice(b,this.pos),this.finishToken(j.template,a));92===c?(a+=this.input.slice(b,this.pos),a+=this.readEscapedChar(),b=this.pos):q(c)?(a+=this.input.slice(b,this.pos),++this.pos,13===c&&10===this.input.charCodeAt(this.pos)?(++this.pos,a+="\n"):a+=String.fromCharCode(c),this.options.locations&&(++this.curLine,this.lineStart=this.pos),b=this.pos):++this.pos}},t.readEscapedChar=function(){var a=this.input.charCodeAt(++this.pos),b=/^[0-7]+/.exec(this.input.slice(this.pos,this.pos+3));for(b&&(b=b[0]);b&&parseInt(b,8)>255;)b=b.slice(0,-1);if("0"===b&&(b=null),++this.pos,b)return this.strict&&this.raise(this.pos-2,"Octal literal in strict mode"),this.pos+=b.length-1,String.fromCharCode(parseInt(b,8));switch(a){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(this.readHexChar(2));case 117:return d(this.readCodePoint());case 116:return" ";case 98:return"\b";case 118:return"\x0B";case 102:return"\f";case 48:return"\x00";case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 10:return this.options.locations&&(this.lineStart=this.pos,++this.curLine),"";default:return String.fromCharCode(a)}},t.readHexChar=function(a){var b=this.readInt(16,a);return null===b&&this.raise(this.start,"Bad character escape sequence"),b};var x;t.readWord1=function(){x=!1;for(var a="",b=!0,c=this.pos,e=this.options.ecmaVersion>=6;this.pos<this.input.length;){var f=this.fullCharCodeAtPos();if(h(f,e))this.pos+=65535>=f?1:2;else{if(92!==f)break;x=!0,a+=this.input.slice(c,this.pos);var i=this.pos;117!=this.input.charCodeAt(++this.pos)&&this.raise(this.pos,"Expecting Unicode escape sequence \\uXXXX"),++this.pos;var j=this.readCodePoint();(b?g:h)(j,e)||this.raise(i,"Invalid Unicode escape"),a+=d(j),c=this.pos}b=!1}return a+this.input.slice(c,this.pos)},t.readWord=function(){var a=this.readWord1(),b=j.name;return(this.options.ecmaVersion>=6||!x)&&this.isKeyword(a)&&(b=k[a]),this.finishToken(b,a)}},{"./identifier":7,"./location":8,"./state":13,"./tokentype":17,"./whitespace":19}],17:[function(a,b,c){"use strict";function d(a,b){return new g(a,{beforeExpr:!0,binop:b})}function e(a){var b=void 0===arguments[1]?{}:arguments[1];b.keyword=a,k[a]=j["_"+a]=new g(a,b)}var f=function(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")};c.__esModule=!0;var g=c.TokenType=function l(a){var b=void 0===arguments[1]?{}:arguments[1];f(this,l),this.label=a,this.keyword=b.keyword,this.beforeExpr=!!b.beforeExpr,this.startsExpr=!!b.startsExpr,this.isLoop=!!b.isLoop,this.isAssign=!!b.isAssign,this.prefix=!!b.prefix,this.postfix=!!b.postfix,this.binop=b.binop||null,this.updateContext=null},h={beforeExpr:!0},i={startsExpr:!0},j={num:new g("num",i),regexp:new g("regexp",i),string:new g("string",i),name:new g("name",i),eof:new g("eof"),bracketL:new g("[",{beforeExpr:!0,startsExpr:!0}),bracketR:new g("]"),braceL:new g("{",{beforeExpr:!0,startsExpr:!0}),braceR:new g("}"),parenL:new g("(",{beforeExpr:!0,startsExpr:!0}),parenR:new g(")"),comma:new g(",",h),semi:new g(";",h),colon:new g(":",h),dot:new g("."),question:new g("?",h),arrow:new g("=>",h),template:new g("template"),ellipsis:new g("...",h),backQuote:new g("`",i),dollarBraceL:new g("${",{beforeExpr:!0,startsExpr:!0}),eq:new g("=",{beforeExpr:!0,isAssign:!0}),assign:new g("_=",{beforeExpr:!0,isAssign:!0}),incDec:new g("++/--",{prefix:!0,postfix:!0,startsExpr:!0}),prefix:new g("prefix",{beforeExpr:!0,prefix:!0,startsExpr:!0}),logicalOR:d("||",1),logicalAND:d("&&",2),bitwiseOR:d("|",3),bitwiseXOR:d("^",4),bitwiseAND:d("&",5),equality:d("==/!=",6),relational:d("</>",7),bitShift:d("<</>>",8),plusMin:new g("+/-",{beforeExpr:!0,binop:9,prefix:!0,startsExpr:!0}),modulo:d("%",10),star:d("*",10),slash:d("/",10)};c.types=j;var 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44 */
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b=(blanket.options("commonJS")?blanket._commonjs.require:window.require,blanket.options("commonJS")?blanket._commonjs.requirejs:window.requirejs);!a.options("engineOnly")&&a.options("existingRequireJS")&&(a.utils.oldloader=b.load,b.load=function(b,c,d){a.requiringFile(d),a.utils.getFile(d,function(e){a.utils.processFile(e,d,function(){b.completeLoad(c)},function(){a.utils.oldloader(b,c,d)})},function(b){throw a.requiringFile(),b})}),a.utils.cacheXhrConstructor()}()}(blanket),function(){if("undefined"!=typeof QUnit){var a=function(){return window.QUnit.config.queue.length>0&&blanket.noConflict().requireFilesLoaded()};QUnit.config.urlConfig[0].tooltip?(QUnit.config.urlConfig.push({id:"coverage",label:"Enable coverage",tooltip:"Enable code 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