(function(exports,global){/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function array_to_hash(a){var ret=Object.create(null);for(var i=0;i=0}function find_if(func,array){for(var i=0,n=array.length;i>1);d+=d;if(i&1)d+=str;return d}function configure_error_stack(fn){Object.defineProperty(fn.prototype,"stack",{get:function(){var err=new Error(this.message);err.name=this.name;try{throw err}catch(e){return e.stack}}})}function DefaultsError(msg,defs){this.message=msg;this.defs=defs}DefaultsError.prototype=Object.create(Error.prototype);DefaultsError.prototype.constructor=DefaultsError;DefaultsError.prototype.name="DefaultsError";configure_error_stack(DefaultsError);DefaultsError.croak=function(msg,defs){throw new DefaultsError(msg,defs)};function defaults(args,defs,croak){if(args===true)args={};var ret=args||{};if(croak)for(var i in ret)if(HOP(ret,i)&&!HOP(defs,i))DefaultsError.croak("`"+i+"` is not a supported option",defs);for(var i in defs)if(HOP(defs,i)){ret[i]=args&&HOP(args,i)?args[i]:defs[i]}return ret}function merge(obj,ext){var count=0;for(var i in ext)if(HOP(ext,i)){obj[i]=ext[i];count++}return count}function noop(){}function return_false(){return false}function return_true(){return true}var MAP=function(){function MAP(a,f,backwards){var ret=[],top=[],i;function doit(){var val=f(a[i],i);var is_last=val instanceof Last;if(is_last)val=val.v;if(val instanceof AtTop){val=val.v;if(val instanceof Splice){top.push.apply(top,backwards?val.v.slice().reverse():val.v)}else{top.push(val)}}else if(val!==skip){if(val instanceof Splice){ret.push.apply(ret,backwards?val.v.slice().reverse():val.v)}else{ret.push(val)}}return is_last}if(a instanceof Array){if(backwards){for(i=a.length;--i>=0;)if(doit())break;ret.reverse();top.reverse()}else{for(i=0;i=0;){if(array[i]===el)array.splice(i,1)}}function mergeSort(array,cmp){if(array.length<2)return array.slice();function merge(a,b){var r=[],ai=0,bi=0,i=0;while(ai=0})}function makePredicate(words){if(!(words instanceof Array))words=words.split(" ");var f="",cats=[];out:for(var i=0;i3){cats.sort(function(a,b){return b.length-a.length});f+="switch(str.length){";for(var i=0;i=0;)if(!predicate(array[i]))return false;return true}function Dictionary(){this._values=Object.create(null);this._size=0}Dictionary.prototype={set:function(key,val){if(!this.has(key))++this._size;this._values["$"+key]=val;return this},add:function(key,val){if(this.has(key)){this.get(key).push(val)}else{this.set(key,[val])}return this},get:function(key){return this._values["$"+key]},del:function(key){if(this.has(key)){--this._size;delete this._values["$"+key]}return this},has:function(key){return"$"+key in this._values},each:function(f){for(var i in this._values)f(this._values[i],i.substr(1))},size:function(){return this._size},map:function(f){var ret=[];for(var i in this._values)ret.push(f(this._values[i],i.substr(1)));return ret},toObject:function(){return this._values}};Dictionary.fromObject=function(obj){var dict=new Dictionary;dict._size=merge(dict._values,obj);return dict};function HOP(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}function first_in_statement(stack){var node=stack.parent(-1);for(var i=0,p;p=stack.parent(i);i++){if(p instanceof AST_Statement&&p.body===node)return true;if(p instanceof AST_Seq&&p.car===node||p instanceof AST_Call&&p.expression===node&&!(p instanceof AST_New)||p instanceof AST_Dot&&p.expression===node||p instanceof AST_Sub&&p.expression===node||p instanceof AST_Conditional&&p.condition===node||p instanceof AST_Binary&&p.left===node||p instanceof AST_UnaryPostfix&&p.expression===node){node=p}else{return false}}}/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function DEFNODE(type,props,methods,base){if(arguments.length<4)base=AST_Node;if(!props)props=[];else props=props.split(/\s+/);var self_props=props;if(base&&base.PROPS)props=props.concat(base.PROPS);var code="return function AST_"+type+"(props){ if (props) { ";for(var i=props.length;--i>=0;){code+="this."+props[i]+" = props."+props[i]+";"}var proto=base&&new base;if(proto&&proto.initialize||methods&&methods.initialize)code+="this.initialize();";code+="}}";var ctor=new Function(code)();if(proto){ctor.prototype=proto;ctor.BASE=base}if(base)base.SUBCLASSES.push(ctor);ctor.prototype.CTOR=ctor;ctor.PROPS=props||null;ctor.SELF_PROPS=self_props;ctor.SUBCLASSES=[];if(type){ctor.prototype.TYPE=ctor.TYPE=type}if(methods)for(i in methods)if(HOP(methods,i)){if(/^\$/.test(i)){ctor[i.substr(1)]=methods[i]}else{ctor.prototype[i]=methods[i]}}ctor.DEFMETHOD=function(name,method){this.prototype[name]=method};if(typeof exports!=="undefined"){exports["AST_"+type]=ctor}return ctor}var AST_Token=DEFNODE("Token","type value line col pos endline endcol endpos nlb comments_before file raw",{},null);var AST_Node=DEFNODE("Node","start end",{_clone:function(deep){if(deep){var self=this.clone();return self.transform(new TreeTransformer(function(node){if(node!==self){return node.clone(true)}}))}return new this.CTOR(this)},clone:function(deep){return this._clone(deep)},$documentation:"Base class of all AST nodes",$propdoc:{start:"[AST_Token] The first token of this node",end:"[AST_Token] The last token of this node"},_walk:function(visitor){return visitor._visit(this)},walk:function(visitor){return this._walk(visitor)}},null);AST_Node.warn_function=null;AST_Node.warn=function(txt,props){if(AST_Node.warn_function)AST_Node.warn_function(string_template(txt,props))};var AST_Statement=DEFNODE("Statement",null,{$documentation:"Base class of all statements"});var AST_Debugger=DEFNODE("Debugger",null,{$documentation:"Represents a debugger statement"},AST_Statement);var AST_Directive=DEFNODE("Directive","value scope quote",{$documentation:'Represents a directive, like "use strict";',$propdoc:{value:"[string] The value of this directive as a plain string (it's not an AST_String!)",scope:"[AST_Scope/S] The scope that this directive affects",quote:"[string] the original quote character"}},AST_Statement);var AST_SimpleStatement=DEFNODE("SimpleStatement","body",{$documentation:"A statement consisting of an expression, i.e. a = 1 + 2",$propdoc:{body:"[AST_Node] an expression node (should not be instanceof AST_Statement)"},_walk:function(visitor){return visitor._visit(this,function(){this.body._walk(visitor)})}},AST_Statement);function walk_body(node,visitor){var body=node.body;if(body instanceof AST_Statement){body._walk(visitor)}else for(var i=0,len=body.length;i SymbolDef for all variables/functions defined in this scope",functions:"[Object/S] like `variables`, but only lists function declarations",uses_with:"[boolean/S] tells whether this scope uses the `with` statement",uses_eval:"[boolean/S] tells whether this scope contains a direct call to the global `eval`",parent_scope:"[AST_Scope?/S] link to the parent scope",enclosed:"[SymbolDef*/S] a list of all symbol definitions that are accessed from this scope or any subscopes",cname:"[integer/S] current index for mangling variables (used internally by the mangler)"}},AST_Block);var AST_Toplevel=DEFNODE("Toplevel","globals",{$documentation:"The toplevel scope",$propdoc:{globals:"[Object/S] a map of name -> SymbolDef for all undeclared names"},wrap_enclose:function(arg_parameter_pairs){var self=this;var args=[];var parameters=[];arg_parameter_pairs.forEach(function(pair){var splitAt=pair.lastIndexOf(":");args.push(pair.substr(0,splitAt));parameters.push(pair.substr(splitAt+1))});var wrapped_tl="(function("+parameters.join(",")+"){ '$ORIG'; })("+args.join(",")+")";wrapped_tl=parse(wrapped_tl);wrapped_tl=wrapped_tl.transform(new TreeTransformer(function before(node){if(node instanceof AST_Directive&&node.value=="$ORIG"){return MAP.splice(self.body)}}));return wrapped_tl},wrap_commonjs:function(name,export_all){var self=this;var to_export=[];if(export_all){self.figure_out_scope();self.walk(new TreeWalker(function(node){if(node instanceof AST_SymbolDeclaration&&node.definition().global){if(!find_if(function(n){return n.name==node.name},to_export))to_export.push(node)}}))}var wrapped_tl="(function(exports, global){ '$ORIG'; '$EXPORTS'; global['"+name+"'] = exports; }({}, (function(){return this}())))";wrapped_tl=parse(wrapped_tl);wrapped_tl=wrapped_tl.transform(new TreeTransformer(function before(node){if(node instanceof AST_Directive){switch(node.value){case"$ORIG":return MAP.splice(self.body);case"$EXPORTS":var body=[];to_export.forEach(function(sym){body.push(new AST_SimpleStatement({body:new AST_Assign({left:new AST_Sub({expression:new AST_SymbolRef({name:"exports"}),property:new AST_String({value:sym.name})}),operator:"=",right:new AST_SymbolRef(sym)})}))});return MAP.splice(body)}}}));return wrapped_tl}},AST_Scope);var AST_Lambda=DEFNODE("Lambda","name argnames uses_arguments",{$documentation:"Base class for functions",$propdoc:{name:"[AST_SymbolDeclaration?] the name of this function",argnames:"[AST_SymbolFunarg*] array of function arguments",uses_arguments:"[boolean/S] tells whether this function accesses the arguments array"},_walk:function(visitor){return visitor._visit(this,function(){if(this.name)this.name._walk(visitor);var argnames=this.argnames;for(var i=0,len=argnames.length;i=0;){list=AST_Seq.cons(array[i],list)}var p=list;while(p){if(p.cdr&&!p.cdr.cdr){p.cdr=p.cdr.car;break}p=p.cdr}return list},to_array:function(){var p=this,a=[];while(p){a.push(p.car);if(p.cdr&&!(p.cdr instanceof AST_Seq)){a.push(p.cdr);break}p=p.cdr}return a},add:function(node){var p=this;while(p){if(!(p.cdr instanceof AST_Seq)){var cell=AST_Seq.cons(p.cdr,node);return p.cdr=cell}p=p.cdr}},len:function(){if(this.cdr instanceof AST_Seq){return this.cdr.len()+1}else{return 2}},_walk:function(visitor){return visitor._visit(this,function(){this.car._walk(visitor);if(this.cdr)this.cdr._walk(visitor)})}});var AST_PropAccess=DEFNODE("PropAccess","expression property",{$documentation:'Base class for property access expressions, i.e. `a.foo` or `a["foo"]`',$propdoc:{expression:"[AST_Node] the “container” expression",property:"[AST_Node|string] the property to access. For AST_Dot this is always a plain string, while for AST_Sub it's an arbitrary AST_Node"}});var AST_Dot=DEFNODE("Dot",null,{$documentation:"A dotted property access expression",_walk:function(visitor){return visitor._visit(this,function(){this.expression._walk(visitor)})}},AST_PropAccess);var AST_Sub=DEFNODE("Sub",null,{$documentation:'Index-style property access, i.e. `a["foo"]`',_walk:function(visitor){return visitor._visit(this,function(){this.expression._walk(visitor);this.property._walk(visitor)})}},AST_PropAccess);var AST_Unary=DEFNODE("Unary","operator expression",{$documentation:"Base class for unary expressions",$propdoc:{operator:"[string] the operator",expression:"[AST_Node] expression that this unary operator applies to"},_walk:function(visitor){return visitor._visit(this,function(){this.expression._walk(visitor)})}});var AST_UnaryPrefix=DEFNODE("UnaryPrefix",null,{$documentation:"Unary prefix expression, i.e. `typeof i` or `++i`"},AST_Unary);var AST_UnaryPostfix=DEFNODE("UnaryPostfix",null,{$documentation:"Unary postfix expression, i.e. `i++`"},AST_Unary);var AST_Binary=DEFNODE("Binary","left operator right",{$documentation:"Binary expression, i.e. `a + b`",$propdoc:{left:"[AST_Node] left-hand side expression",operator:"[string] the operator",right:"[AST_Node] right-hand side expression"},_walk:function(visitor){return visitor._visit(this,function(){this.left._walk(visitor);this.right._walk(visitor)})}});var AST_Conditional=DEFNODE("Conditional","condition consequent alternative",{$documentation:"Conditional expression using the ternary operator, i.e. `a ? b : c`",$propdoc:{condition:"[AST_Node]",consequent:"[AST_Node]",alternative:"[AST_Node]"},_walk:function(visitor){return visitor._visit(this,function(){this.condition._walk(visitor);this.consequent._walk(visitor);this.alternative._walk(visitor)})}});var AST_Assign=DEFNODE("Assign",null,{$documentation:"An assignment expression — `a = b + 5`"},AST_Binary);var AST_Array=DEFNODE("Array","elements",{$documentation:"An array literal",$propdoc:{elements:"[AST_Node*] array of elements"},_walk:function(visitor){return visitor._visit(this,function(){var elements=this.elements;for(var i=0,len=elements.length;i=0;){var x=stack[i];if(x instanceof type)return x}},has_directive:function(type){var dir=this.directives[type];if(dir)return dir;var node=this.stack[this.stack.length-1];if(node instanceof AST_Scope){for(var i=0;i0){var p=stack[--i];if(p instanceof AST_If&&p.condition===self||p instanceof AST_Conditional&&p.condition===self||p instanceof AST_DWLoop&&p.condition===self||p instanceof AST_For&&p.condition===self||p instanceof AST_UnaryPrefix&&p.operator=="!"&&p.expression===self){return true}if(!(p instanceof AST_Binary&&(p.operator=="&&"||p.operator=="||")))return false;self=p}},loopcontrol_target:function(label){var stack=this.stack;if(label)for(var i=stack.length;--i>=0;){var x=stack[i];if(x instanceof AST_LabeledStatement&&x.label.name==label.name){return x.body}}else for(var i=stack.length;--i>=0;){var x=stack[i];if(x instanceof AST_Switch||x instanceof AST_IterationStatement)return x}}};/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Parser based on parse-js (http://marijn.haverbeke.nl/parse-js/). Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";var KEYWORDS="break case catch const continue debugger default delete do else finally for function if in instanceof new return switch throw try typeof var void while with";var KEYWORDS_ATOM="false null true";var RESERVED_WORDS="abstract boolean byte char class double enum export extends final float goto implements import int interface let long native package private protected public short static super synchronized this throws transient volatile yield"+" "+KEYWORDS_ATOM+" "+KEYWORDS;var KEYWORDS_BEFORE_EXPRESSION="return new delete throw else case";KEYWORDS=makePredicate(KEYWORDS);RESERVED_WORDS=makePredicate(RESERVED_WORDS);KEYWORDS_BEFORE_EXPRESSION=makePredicate(KEYWORDS_BEFORE_EXPRESSION);KEYWORDS_ATOM=makePredicate(KEYWORDS_ATOM);var OPERATOR_CHARS=makePredicate(characters("+-*&%=<>!?|~^"));var RE_HEX_NUMBER=/^0x[0-9a-f]+$/i;var RE_OCT_NUMBER=/^0[0-7]+$/;var OPERATORS=makePredicate(["in","instanceof","typeof","new","void","delete","++","--","+","-","!","~","&","|","^","*","/","%",">>","<<",">>>","<",">","<=",">=","==","===","!=","!==","?","=","+=","-=","/=","*=","%=",">>=","<<=",">>>=","|=","^=","&=","&&","||"]);var WHITESPACE_CHARS=makePredicate(characters("  \n\r\t\f\v​           \u2028\u2029  　\ufeff"));var NEWLINE_CHARS=makePredicate(characters("\n\r\u2028\u2029"));var PUNC_BEFORE_EXPRESSION=makePredicate(characters("[{(,.;:"));var PUNC_CHARS=makePredicate(characters("[]{}(),;:"));var REGEXP_MODIFIERS=makePredicate(characters("gmsiy"));var UNICODE={letter:new 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tokenizer($TEXT,filename,html5_comments,shebang){var S={text:$TEXT,filename:filename,pos:0,tokpos:0,line:1,tokline:0,col:0,tokcol:0,newline_before:false,regex_allowed:false,comments_before:[],directives:{},directive_stack:[]};function peek(){return S.text.charAt(S.pos)}function next(signal_eof,in_string){var ch=S.text.charAt(S.pos++);if(signal_eof&&!ch)throw EX_EOF;if(NEWLINE_CHARS(ch)){S.newline_before=S.newline_before||!in_string;++S.line;S.col=0;if(!in_string&&ch=="\r"&&peek()=="\n"){++S.pos;ch="\n"}}else{++S.col}return ch}function forward(i){while(i-- >0)next()}function looking_at(str){return S.text.substr(S.pos,str.length)==str}function find_eol(){var text=S.text;for(var i=S.pos,n=S.text.length;i="0"&&ch<="7")return read_octal_escape_sequence(ch);return ch}function read_octal_escape_sequence(ch){var p=peek();if(p>="0"&&p<="7"){ch+=next(true);if(ch[0]<="3"&&(p=peek())>="0"&&p<="7")ch+=next(true)}if(ch==="0")return"\0";if(ch.length>0&&next_token.has_directive("use strict"))parse_error("Legacy octal escape sequences are not allowed in strict mode");return String.fromCharCode(parseInt(ch,8))}function hex_bytes(n){var num=0;for(;n>0;--n){var digit=parseInt(next(true),16);if(isNaN(digit))parse_error("Invalid hex-character pattern in string");num=num<<4|digit}return num}var read_string=with_eof_error("Unterminated string constant",function(quote_char){var quote=next(),ret="";for(;;){var ch=next(true,true);if(ch=="\\")ch=read_escaped_char(true);else if(NEWLINE_CHARS(ch))parse_error("Unterminated string constant");else if(ch==quote)break;ret+=ch}var tok=token("string",ret);tok.quote=quote_char;return tok});function skip_line_comment(type){var regex_allowed=S.regex_allowed;var i=find_eol(),ret;if(i==-1){ret=S.text.substr(S.pos);S.pos=S.text.length}else{ret=S.text.substring(S.pos,i);S.pos=i}S.col=S.tokcol+(S.pos-S.tokpos);S.comments_before.push(token(type,ret,true));S.regex_allowed=regex_allowed;return next_token}var skip_multiline_comment=with_eof_error("Unterminated multiline comment",function(){var regex_allowed=S.regex_allowed;var i=find("*/",true);var text=S.text.substring(S.pos,i).replace(/\r\n|\r|\u2028|\u2029/g,"\n");forward(text.length+2);S.comments_before.push(token("comment2",text,true));S.regex_allowed=regex_allowed;return next_token});function read_name(){var backslash=false,name="",ch,escaped=false,hex;while((ch=peek())!=null){if(!backslash){if(ch=="\\")escaped=backslash=true,next();else if(is_identifier_char(ch))name+=next();else break}else{if(ch!="u")parse_error("Expecting UnicodeEscapeSequence -- uXXXX");ch=read_escaped_char();if(!is_identifier_char(ch))parse_error("Unicode char: "+ch.charCodeAt(0)+" is not valid in identifier");name+=ch;backslash=false}}if(KEYWORDS(name)&&escaped){hex=name.charCodeAt(0).toString(16).toUpperCase();name="\\u"+"0000".substr(hex.length)+hex+name.slice(1)}return name}var read_regexp=with_eof_error("Unterminated regular expression",function(regexp){var prev_backslash=false,ch,in_class=false;while(ch=next(true))if(NEWLINE_CHARS(ch)){parse_error("Unexpected line terminator")}else if(prev_backslash){regexp+="\\"+ch;prev_backslash=false}else if(ch=="["){in_class=true;regexp+=ch}else if(ch=="]"&&in_class){in_class=false;regexp+=ch}else if(ch=="/"&&!in_class){break}else if(ch=="\\"){prev_backslash=true}else{regexp+=ch}var mods=read_name();try{return token("regexp",new RegExp(regexp,mods))}catch(e){parse_error(e.message)}});function read_operator(prefix){function grow(op){if(!peek())return op;var bigger=op+peek();if(OPERATORS(bigger)){next();return grow(bigger)}else{return op}}return token("operator",grow(prefix||next()))}function handle_slash(){next();switch(peek()){case"/":next();return skip_line_comment("comment1");case"*":next();return skip_multiline_comment()}return S.regex_allowed?read_regexp(""):read_operator("/")}function handle_dot(){next();return is_digit(peek().charCodeAt(0))?read_num("."):token("punc",".")}function read_word(){var word=read_name();if(prev_was_dot)return token("name",word);return KEYWORDS_ATOM(word)?token("atom",word):!KEYWORDS(word)?token("name",word):OPERATORS(word)?token("operator",word):token("keyword",word)}function with_eof_error(eof_error,cont){return function(x){try{return cont(x)}catch(ex){if(ex===EX_EOF)parse_error(eof_error);else throw ex}}}function next_token(force_regexp){if(force_regexp!=null)return read_regexp(force_regexp);if(shebang&&S.pos==0&&looking_at("#!")){start_token();forward(2);skip_line_comment("comment5")}for(;;){skip_whitespace();start_token();if(html5_comments){if(looking_at("")&&S.newline_before){forward(3);skip_line_comment("comment4");continue}}var ch=peek();if(!ch)return token("eof");var code=ch.charCodeAt(0);switch(code){case 34:case 39:return read_string(ch);case 46:return handle_dot();case 47:{var tok=handle_slash();if(tok===next_token)continue;return tok}}if(is_digit(code))return read_num();if(PUNC_CHARS(ch))return token("punc",next());if(OPERATOR_CHARS(ch))return read_operator();if(code==92||is_identifier_start(code))return read_word();break}parse_error("Unexpected character '"+ch+"'")}next_token.context=function(nc){if(nc)S=nc;return S};next_token.add_directive=function(directive){S.directive_stack[S.directive_stack.length-1].push(directive);if(S.directives[directive]===undefined){S.directives[directive]=1}else{S.directives[directive]++}};next_token.push_directives_stack=function(){S.directive_stack.push([])};next_token.pop_directives_stack=function(){var directives=S.directive_stack[S.directive_stack.length-1];for(var i=0;i0};return next_token}var UNARY_PREFIX=makePredicate(["typeof","void","delete","--","++","!","~","-","+"]);var UNARY_POSTFIX=makePredicate(["--","++"]);var ASSIGNMENT=makePredicate(["=","+=","-=","/=","*=","%=",">>=","<<=",">>>=","|=","^=","&="]);var PRECEDENCE=function(a,ret){for(var i=0;i","<=",">=","in","instanceof"],[">>","<<",">>>"],["+","-"],["*","/","%"]],{});var STATEMENTS_WITH_LABELS=array_to_hash(["for","do","while","switch"]);var ATOMIC_START_TOKEN=array_to_hash(["atom","num","string","regexp","name"]);function parse($TEXT,options){options=defaults(options,{strict:false,filename:null,toplevel:null,expression:false,html5_comments:true,bare_returns:false,shebang:true});var S={input:typeof $TEXT=="string"?tokenizer($TEXT,options.filename,options.html5_comments,options.shebang):$TEXT,token:null,prev:null,peeked:null,in_function:0,in_directives:true,in_loop:0,labels:[]};S.token=next();function is(type,value){return is_token(S.token,type,value)}function peek(){return S.peeked||(S.peeked=S.input())}function next(){S.prev=S.token;if(S.peeked){S.token=S.peeked;S.peeked=null}else{S.token=S.input()}S.in_directives=S.in_directives&&(S.token.type=="string"||is("punc",";"));return S.token}function prev(){return S.prev}function croak(msg,line,col,pos){var ctx=S.input.context();js_error(msg,ctx.filename,line!=null?line:ctx.tokline,col!=null?col:ctx.tokcol,pos!=null?pos:ctx.tokpos)}function token_error(token,msg){croak(msg,token.line,token.col)}function unexpected(token){if(token==null)token=S.token;token_error(token,"Unexpected token: "+token.type+" ("+token.value+")")}function expect_token(type,val){if(is(type,val)){return next()}token_error(S.token,"Unexpected token "+S.token.type+" «"+S.token.value+"»"+", expected "+type+" «"+val+"»")}function expect(punc){return expect_token("punc",punc)}function can_insert_semicolon(){return!options.strict&&(S.token.nlb||is("eof")||is("punc","}"))}function semicolon(optional){if(is("punc",";"))next();else if(!optional&&!can_insert_semicolon())unexpected()}function parenthesised(){expect("(");var exp=expression(true);expect(")");return exp}function embed_tokens(parser){return function(){var start=S.token;var expr=parser();var end=prev();expr.start=start;expr.end=end;return expr}}function handle_regexp(){if(is("operator","/")||is("operator","/=")){S.peeked=null;S.token=S.input(S.token.value.substr(1))}}var statement=embed_tokens(function(){var tmp;handle_regexp();switch(S.token.type){case"string":var dir=false;if(S.in_directives===true){if((is_token(peek(),"punc",";")||peek().nlb)&&S.token.raw.indexOf("\\")===-1){S.input.add_directive(S.token.value)}else{S.in_directives=false}}var dir=S.in_directives,stat=simple_statement();if(dir){return new AST_Directive({start:stat.body.start,end:stat.body.end,quote:stat.body.quote,value:stat.body.value})}return stat;case"num":case"regexp":case"operator":case"atom":return simple_statement();case"name":return is_token(peek(),"punc",":")?labeled_statement():simple_statement();case"punc":switch(S.token.value){case"{":return new AST_BlockStatement({start:S.token,body:block_(),end:prev()});case"[":case"(":return simple_statement();case";":S.in_directives=false;next();return new AST_EmptyStatement;default:unexpected()}case"keyword":switch(tmp=S.token.value,next(),tmp){case"break":return break_cont(AST_Break);case"continue":return break_cont(AST_Continue);case"debugger":semicolon();return new AST_Debugger;case"do":return new AST_Do({body:in_loop(statement),condition:(expect_token("keyword","while"),tmp=parenthesised(),semicolon(true),tmp)});case"while":return new AST_While({condition:parenthesised(),body:in_loop(statement)});case"for":return for_();case"function":return function_(AST_Defun);case"if":return if_();case"return":if(S.in_function==0&&!options.bare_returns)croak("'return' outside of function");return new AST_Return({value:is("punc",";")?(next(),null):can_insert_semicolon()?null:(tmp=expression(true),semicolon(),tmp)});case"switch":return new AST_Switch({expression:parenthesised(),body:in_loop(switch_body_)});case"throw":if(S.token.nlb)croak("Illegal newline after 'throw'");return new AST_Throw({value:(tmp=expression(true),semicolon(),tmp)});case"try":return try_();case"var":return tmp=var_(),semicolon(),tmp;case"const":return tmp=const_(),semicolon(),tmp;case"with":if(S.input.has_directive("use strict")){croak("Strict mode may not include a with statement")}return new AST_With({expression:parenthesised(),body:statement()});default:unexpected()}}});function labeled_statement(){var label=as_symbol(AST_Label);if(find_if(function(l){return l.name==label.name},S.labels)){croak("Label "+label.name+" defined twice")}expect(":");S.labels.push(label);var stat=statement();S.labels.pop();if(!(stat instanceof AST_IterationStatement)){label.references.forEach(function(ref){if(ref instanceof AST_Continue){ref=ref.label.start;croak("Continue label `"+label.name+"` refers to non-IterationStatement.",ref.line,ref.col,ref.pos)}})}return new AST_LabeledStatement({body:stat,label:label})}function simple_statement(tmp){return new AST_SimpleStatement({body:(tmp=expression(true),semicolon(),tmp)})}function break_cont(type){var label=null,ldef;if(!can_insert_semicolon()){label=as_symbol(AST_LabelRef,true)}if(label!=null){ldef=find_if(function(l){return l.name==label.name},S.labels);if(!ldef)croak("Undefined label "+label.name);label.thedef=ldef}else if(S.in_loop==0)croak(type.TYPE+" not inside a loop or switch");semicolon();var stat=new type({label:label});if(ldef)ldef.references.push(stat);return stat}function for_(){expect("(");var init=null;if(!is("punc",";")){init=is("keyword","var")?(next(),var_(true)):expression(true,true);if(is("operator","in")){if(init instanceof AST_Var&&init.definitions.length>1)croak("Only one variable declaration allowed in for..in loop");next();return for_in(init)}}return regular_for(init)}function regular_for(init){expect(";");var test=is("punc",";")?null:expression(true);expect(";");var step=is("punc",")")?null:expression(true);expect(")");return new AST_For({init:init,condition:test,step:step,body:in_loop(statement)})}function for_in(init){var lhs=init instanceof AST_Var?init.definitions[0].name:null;var obj=expression(true);expect(")");return new AST_ForIn({init:init,name:lhs,object:obj,body:in_loop(statement)})}var function_=function(ctor){var in_statement=ctor===AST_Defun;var name=is("name")?as_symbol(in_statement?AST_SymbolDefun:AST_SymbolLambda):null;if(in_statement&&!name)unexpected();expect("(");return new ctor({name:name,argnames:function(first,a){while(!is("punc",")")){if(first)first=false;else expect(",");a.push(as_symbol(AST_SymbolFunarg))}next();return a}(true,[]),body:function(loop,labels){++S.in_function;S.in_directives=true;S.input.push_directives_stack();S.in_loop=0;S.labels=[];var a=block_();S.input.pop_directives_stack();--S.in_function;S.in_loop=loop;S.labels=labels;return a}(S.in_loop,S.labels)})};function if_(){var cond=parenthesised(),body=statement(),belse=null;if(is("keyword","else")){next();belse=statement()}return new AST_If({condition:cond,body:body,alternative:belse})}function block_(){expect("{");var a=[];while(!is("punc","}")){if(is("eof"))unexpected();a.push(statement())}next();return a}function switch_body_(){expect("{");var a=[],cur=null,branch=null,tmp;while(!is("punc","}")){if(is("eof"))unexpected();if(is("keyword","case")){if(branch)branch.end=prev();cur=[];branch=new AST_Case({start:(tmp=S.token,next(),tmp),expression:expression(true),body:cur});a.push(branch);expect(":")}else if(is("keyword","default")){if(branch)branch.end=prev();cur=[];branch=new AST_Default({start:(tmp=S.token,next(),expect(":"),tmp),body:cur});a.push(branch)}else{if(!cur)unexpected();cur.push(statement())}}if(branch)branch.end=prev();next();return a}function try_(){var body=block_(),bcatch=null,bfinally=null;if(is("keyword","catch")){var start=S.token;next();expect("(");var name=as_symbol(AST_SymbolCatch);expect(")");bcatch=new AST_Catch({start:start,argname:name,body:block_(),end:prev()})}if(is("keyword","finally")){var start=S.token;next();bfinally=new AST_Finally({start:start,body:block_(),end:prev()})}if(!bcatch&&!bfinally)croak("Missing catch/finally blocks");return new AST_Try({body:body,bcatch:bcatch,bfinally:bfinally})}function vardefs(no_in,in_const){var a=[];for(;;){a.push(new AST_VarDef({start:S.token,name:as_symbol(in_const?AST_SymbolConst:AST_SymbolVar),value:is("operator","=")?(next(),expression(false,no_in)):null,end:prev()}));if(!is("punc",","))break;next()}return a}var var_=function(no_in){return new AST_Var({start:prev(),definitions:vardefs(no_in,false),end:prev()})};var const_=function(){return new AST_Const({start:prev(),definitions:vardefs(false,true),end:prev()})};var new_=function(allow_calls){var start=S.token;expect_token("operator","new");var newexp=expr_atom(false),args;if(is("punc","(")){next();args=expr_list(")")}else{args=[]}return subscripts(new AST_New({start:start,expression:newexp,args:args,end:prev()}),allow_calls)};function as_atom_node(){var tok=S.token,ret;switch(tok.type){case"name":case"keyword":ret=_make_symbol(AST_SymbolRef);break;case"num":ret=new AST_Number({start:tok,end:tok,value:tok.value});break;case"string":ret=new AST_String({start:tok,end:tok,value:tok.value,quote:tok.quote});break;case"regexp":ret=new AST_RegExp({start:tok,end:tok,value:tok.value});break;case"atom":switch(tok.value){case"false":ret=new AST_False({start:tok,end:tok});break;case"true":ret=new AST_True({start:tok,end:tok});break;case"null":ret=new AST_Null({start:tok,end:tok});break}break;case"operator":if(!is_identifier_string(tok.value)){croak("Invalid getter/setter name: "+tok.value,tok.line,tok.col,tok.pos)}ret=_make_symbol(AST_SymbolRef);break}next();return ret}var expr_atom=function(allow_calls){if(is("operator","new")){return new_(allow_calls)}var start=S.token;if(is("punc")){switch(start.value){case"(":next();var ex=expression(true);ex.start=start;ex.end=S.token;expect(")");return subscripts(ex,allow_calls);case"[":return subscripts(array_(),allow_calls);case"{":return subscripts(object_(),allow_calls)}unexpected()}if(is("keyword","function")){next();var func=function_(AST_Function);func.start=start;func.end=prev();return subscripts(func,allow_calls)}if(ATOMIC_START_TOKEN[S.token.type]){return subscripts(as_atom_node(),allow_calls)}unexpected()};function expr_list(closing,allow_trailing_comma,allow_empty){var first=true,a=[];while(!is("punc",closing)){if(first)first=false;else expect(",");if(allow_trailing_comma&&is("punc",closing))break;if(is("punc",",")&&allow_empty){a.push(new AST_Hole({start:S.token,end:S.token}))}else{a.push(expression(false))}}next();return a}var array_=embed_tokens(function(){expect("[");return new AST_Array({elements:expr_list("]",!options.strict,true)})});var create_accessor=embed_tokens(function(){return function_(AST_Accessor)});var object_=embed_tokens(function(){expect("{");var first=true,a=[];while(!is("punc","}")){if(first)first=false;else expect(",");if(!options.strict&&is("punc","}"))break;var start=S.token;var type=start.type;var name=as_property_name();if(type=="name"&&!is("punc",":")){if(name=="get"){a.push(new AST_ObjectGetter({start:start,key:as_atom_node(),value:create_accessor(),end:prev()}));continue}if(name=="set"){a.push(new AST_ObjectSetter({start:start,key:as_atom_node(),value:create_accessor(),end:prev()}));continue}}expect(":") ;a.push(new AST_ObjectKeyVal({start:start,quote:start.quote,key:name,value:expression(false),end:prev()}))}next();return new AST_Object({properties:a})});function as_property_name(){var tmp=S.token;next();switch(tmp.type){case"num":case"string":case"name":case"operator":case"keyword":case"atom":return tmp.value;default:unexpected()}}function as_name(){var tmp=S.token;next();switch(tmp.type){case"name":case"operator":case"keyword":case"atom":return tmp.value;default:unexpected()}}function _make_symbol(type){var name=S.token.value;return new(name=="this"?AST_This:type)({name:String(name),start:S.token,end:S.token})}function as_symbol(type,noerror){if(!is("name")){if(!noerror)croak("Name expected");return null}var sym=_make_symbol(type);next();return sym}var subscripts=function(expr,allow_calls){var start=expr.start;if(is("punc",".")){next();return subscripts(new AST_Dot({start:start,expression:expr,property:as_name(),end:prev()}),allow_calls)}if(is("punc","[")){next();var prop=expression(true);expect("]");return subscripts(new AST_Sub({start:start,expression:expr,property:prop,end:prev()}),allow_calls)}if(allow_calls&&is("punc","(")){next();return subscripts(new AST_Call({start:start,expression:expr,args:expr_list(")"),end:prev()}),true)}return expr};var maybe_unary=function(allow_calls){var start=S.token;if(is("operator")&&UNARY_PREFIX(start.value)){next();handle_regexp();var ex=make_unary(AST_UnaryPrefix,start.value,maybe_unary(allow_calls));ex.start=start;ex.end=prev();return ex}var val=expr_atom(allow_calls);while(is("operator")&&UNARY_POSTFIX(S.token.value)&&!S.token.nlb){val=make_unary(AST_UnaryPostfix,S.token.value,val);val.start=start;val.end=S.token;next()}return val};function make_unary(ctor,op,expr){if((op=="++"||op=="--")&&!is_assignable(expr))croak("Invalid use of "+op+" operator");return new ctor({operator:op,expression:expr})}var expr_op=function(left,min_prec,no_in){var op=is("operator")?S.token.value:null;if(op=="in"&&no_in)op=null;var prec=op!=null?PRECEDENCE[op]:null;if(prec!=null&&prec>min_prec){next();var right=expr_op(maybe_unary(true),prec,no_in);return expr_op(new AST_Binary({start:left.start,left:left,operator:op,right:right,end:right.end}),min_prec,no_in)}return left};function expr_ops(no_in){return expr_op(maybe_unary(true),0,no_in)}var maybe_conditional=function(no_in){var start=S.token;var expr=expr_ops(no_in);if(is("operator","?")){next();var yes=expression(false);expect(":");return new AST_Conditional({start:start,condition:expr,consequent:yes,alternative:expression(false,no_in),end:prev()})}return expr};function is_assignable(expr){if(!options.strict)return true;if(expr instanceof AST_This)return false;return expr instanceof AST_PropAccess||expr instanceof AST_Symbol}var maybe_assign=function(no_in){var start=S.token;var left=maybe_conditional(no_in),val=S.token.value;if(is("operator")&&ASSIGNMENT(val)){if(is_assignable(left)){next();return new AST_Assign({start:start,left:left,operator:val,right:maybe_assign(no_in),end:prev()})}croak("Invalid assignment")}return left};var expression=function(commas,no_in){var start=S.token;var expr=maybe_assign(no_in);if(commas&&is("punc",",")){next();return new AST_Seq({start:start,car:expr,cdr:expression(true,no_in),end:peek()})}return expr};function in_loop(cont){++S.in_loop;var ret=cont();--S.in_loop;return ret}if(options.expression){return expression(true)}return function(){var start=S.token;var body=[];S.input.push_directives_stack();while(!is("eof"))body.push(statement());S.input.pop_directives_stack();var end=prev();var toplevel=options.toplevel;if(toplevel){toplevel.body=toplevel.body.concat(body);toplevel.end=end}else{toplevel=new AST_Toplevel({start:start,body:body,end:end})}return toplevel}()}/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function TreeTransformer(before,after){TreeWalker.call(this);this.before=before;this.after=after}TreeTransformer.prototype=new TreeWalker;(function(undefined){function _(node,descend){node.DEFMETHOD("transform",function(tw,in_list){var x,y;tw.push(this);if(tw.before)x=tw.before(this,descend,in_list);if(x===undefined){if(!tw.after){x=this;descend(x,tw)}else{tw.stack[tw.stack.length-1]=x=this;descend(x,tw);y=tw.after(x,in_list);if(y!==undefined)x=y}}tw.pop(this);return x})}function do_list(list,tw){return MAP(list,function(node){return node.transform(tw,true)})}_(AST_Node,noop);_(AST_LabeledStatement,function(self,tw){self.label=self.label.transform(tw);self.body=self.body.transform(tw)});_(AST_SimpleStatement,function(self,tw){self.body=self.body.transform(tw)});_(AST_Block,function(self,tw){self.body=do_list(self.body,tw)});_(AST_DWLoop,function(self,tw){self.condition=self.condition.transform(tw);self.body=self.body.transform(tw)});_(AST_For,function(self,tw){if(self.init)self.init=self.init.transform(tw);if(self.condition)self.condition=self.condition.transform(tw);if(self.step)self.step=self.step.transform(tw);self.body=self.body.transform(tw)});_(AST_ForIn,function(self,tw){self.init=self.init.transform(tw);self.object=self.object.transform(tw);self.body=self.body.transform(tw)});_(AST_With,function(self,tw){self.expression=self.expression.transform(tw);self.body=self.body.transform(tw)});_(AST_Exit,function(self,tw){if(self.value)self.value=self.value.transform(tw)});_(AST_LoopControl,function(self,tw){if(self.label)self.label=self.label.transform(tw)});_(AST_If,function(self,tw){self.condition=self.condition.transform(tw);self.body=self.body.transform(tw);if(self.alternative)self.alternative=self.alternative.transform(tw)});_(AST_Switch,function(self,tw){self.expression=self.expression.transform(tw);self.body=do_list(self.body,tw)});_(AST_Case,function(self,tw){self.expression=self.expression.transform(tw);self.body=do_list(self.body,tw)});_(AST_Try,function(self,tw){self.body=do_list(self.body,tw);if(self.bcatch)self.bcatch=self.bcatch.transform(tw);if(self.bfinally)self.bfinally=self.bfinally.transform(tw)});_(AST_Catch,function(self,tw){self.argname=self.argname.transform(tw);self.body=do_list(self.body,tw)});_(AST_Definitions,function(self,tw){self.definitions=do_list(self.definitions,tw)});_(AST_VarDef,function(self,tw){self.name=self.name.transform(tw);if(self.value)self.value=self.value.transform(tw)});_(AST_Lambda,function(self,tw){if(self.name)self.name=self.name.transform(tw);self.argnames=do_list(self.argnames,tw);self.body=do_list(self.body,tw)});_(AST_Call,function(self,tw){self.expression=self.expression.transform(tw);self.args=do_list(self.args,tw)});_(AST_Seq,function(self,tw){self.car=self.car.transform(tw);self.cdr=self.cdr.transform(tw)});_(AST_Dot,function(self,tw){self.expression=self.expression.transform(tw)});_(AST_Sub,function(self,tw){self.expression=self.expression.transform(tw);self.property=self.property.transform(tw)});_(AST_Unary,function(self,tw){self.expression=self.expression.transform(tw)});_(AST_Binary,function(self,tw){self.left=self.left.transform(tw);self.right=self.right.transform(tw)});_(AST_Conditional,function(self,tw){self.condition=self.condition.transform(tw);self.consequent=self.consequent.transform(tw);self.alternative=self.alternative.transform(tw)});_(AST_Array,function(self,tw){self.elements=do_list(self.elements,tw)});_(AST_Object,function(self,tw){self.properties=do_list(self.properties,tw)});_(AST_ObjectProperty,function(self,tw){self.value=self.value.transform(tw)})})();/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function SymbolDef(scope,index,orig){this.name=orig.name;this.orig=[orig];this.scope=scope;this.references=[];this.global=false;this.mangled_name=null;this.undeclared=false;this.index=index;this.id=SymbolDef.next_id++}SymbolDef.next_id=1;SymbolDef.prototype={unmangleable:function(options){if(!options)options={};return this.global&&!options.toplevel||this.undeclared||!options.eval&&(this.scope.uses_eval||this.scope.uses_with)||options.keep_fnames&&(this.orig[0]instanceof AST_SymbolLambda||this.orig[0]instanceof AST_SymbolDefun)},mangle:function(options){var cache=options.cache&&options.cache.props;if(this.global&&cache&&cache.has(this.name)){this.mangled_name=cache.get(this.name)}else if(!this.mangled_name&&!this.unmangleable(options)){var s=this.scope;if(!options.screw_ie8&&this.orig[0]instanceof AST_SymbolLambda)s=s.parent_scope;this.mangled_name=s.next_mangled(options,this);if(this.global&&cache){cache.set(this.name,this.mangled_name)}}}};AST_Toplevel.DEFMETHOD("figure_out_scope",function(options){options=defaults(options,{screw_ie8:true,cache:null});var self=this;var scope=self.parent_scope=null;var labels=new Dictionary;var defun=null;var tw=new TreeWalker(function(node,descend){if(node instanceof AST_Catch){var save_scope=scope;scope=new AST_Scope(node);scope.init_scope_vars();scope.parent_scope=save_scope;descend();scope=save_scope;return true}if(node instanceof AST_Scope){node.init_scope_vars();var save_scope=node.parent_scope=scope;var save_defun=defun;var save_labels=labels;defun=scope=node;labels=new Dictionary;descend();scope=save_scope;defun=save_defun;labels=save_labels;return true}if(node instanceof AST_LabeledStatement){var l=node.label;if(labels.has(l.name)){throw new Error(string_template("Label {name} defined twice",l))}labels.set(l.name,l);descend();labels.del(l.name);return true}if(node instanceof AST_With){for(var s=scope;s;s=s.parent_scope)s.uses_with=true;return}if(node instanceof AST_Symbol){node.scope=scope}if(node instanceof AST_Label){node.thedef=node;node.references=[]}if(node instanceof AST_SymbolLambda){defun.def_function(node)}else if(node instanceof AST_SymbolDefun){(node.scope=defun.parent_scope).def_function(node)}else if(node instanceof AST_SymbolVar||node instanceof AST_SymbolConst){defun.def_variable(node)}else if(node instanceof AST_SymbolCatch){scope.def_variable(node)}else if(node instanceof AST_LabelRef){var sym=labels.get(node.name);if(!sym)throw new Error(string_template("Undefined label {name} [{line},{col}]",{name:node.name,line:node.start.line,col:node.start.col}));node.thedef=sym}});self.walk(tw);var func=null;var globals=self.globals=new Dictionary;var tw=new TreeWalker(function(node,descend){if(node instanceof AST_Lambda){var prev_func=func;func=node;descend();func=prev_func;return true}if(node instanceof AST_LoopControl&&node.label){node.label.thedef.references.push(node);return true}if(node instanceof AST_SymbolRef){var name=node.name;if(name=="eval"&&tw.parent()instanceof AST_Call){for(var s=node.scope;s&&!s.uses_eval;s=s.parent_scope){s.uses_eval=true}}var sym=node.scope.find_variable(name);if(node.scope instanceof AST_Lambda&&name=="arguments"){node.scope.uses_arguments=true}if(!sym){sym=self.def_global(node)}node.thedef=sym;node.reference(options);return true}});self.walk(tw);if(!options.screw_ie8){self.walk(new TreeWalker(function(node,descend){if(node instanceof AST_SymbolCatch){var name=node.name;var scope=node.thedef.scope.parent_scope;var def=scope.find_variable(name)||self.globals.get(name)||scope.def_variable(node);node.thedef.references.forEach(function(ref){ref.thedef=def;ref.reference(options)});node.thedef=def;return true}}))}if(options.cache){this.cname=options.cache.cname}});AST_Toplevel.DEFMETHOD("def_global",function(node){var globals=this.globals,name=node.name;if(globals.has(name)){return globals.get(name)}else{var g=new SymbolDef(this,globals.size(),node);g.undeclared=true;g.global=true;globals.set(name,g);return g}});AST_Scope.DEFMETHOD("init_scope_vars",function(){this.variables=new Dictionary;this.functions=new Dictionary;this.uses_with=false;this.uses_eval=false;this.parent_scope=null;this.enclosed=[];this.cname=-1});AST_Lambda.DEFMETHOD("init_scope_vars",function(){AST_Scope.prototype.init_scope_vars.apply(this,arguments);this.uses_arguments=false;var symbol=new AST_VarDef({name:"arguments",start:this.start,end:this.end});var def=new SymbolDef(this,this.variables.size(),symbol);this.variables.set(symbol.name,def)});AST_SymbolRef.DEFMETHOD("reference",function(options){var def=this.definition();def.references.push(this);var s=this.scope;while(s){push_uniq(s.enclosed,def);if(options.keep_fnames){s.functions.each(function(d){push_uniq(def.scope.enclosed,d)})}if(s===def.scope)break;s=s.parent_scope}});AST_Scope.DEFMETHOD("find_variable",function(name){if(name instanceof AST_Symbol)name=name.name;return this.variables.get(name)||this.parent_scope&&this.parent_scope.find_variable(name)});AST_Scope.DEFMETHOD("def_function",function(symbol){this.functions.set(symbol.name,this.def_variable(symbol))});AST_Scope.DEFMETHOD("def_variable",function(symbol){var def;if(!this.variables.has(symbol.name)){def=new SymbolDef(this,this.variables.size(),symbol);this.variables.set(symbol.name,def);def.global=!this.parent_scope}else{def=this.variables.get(symbol.name);def.orig.push(symbol)}return symbol.thedef=def});AST_Scope.DEFMETHOD("next_mangled",function(options){var ext=this.enclosed;out:while(true){var m=base54(++this.cname);if(!is_identifier(m))continue;if(options.except.indexOf(m)>=0)continue;for(var i=ext.length;--i>=0;){var sym=ext[i];var name=sym.mangled_name||sym.unmangleable(options)&&sym.name;if(m==name)continue out}return m}});AST_Function.DEFMETHOD("next_mangled",function(options,def){var tricky_def=def.orig[0]instanceof AST_SymbolFunarg&&this.name&&this.name.definition();var tricky_name=tricky_def?tricky_def.mangled_name||tricky_def.name:null;while(true){var name=AST_Lambda.prototype.next_mangled.call(this,options,def);if(!tricky_name||tricky_name!=name)return name}});AST_Symbol.DEFMETHOD("unmangleable",function(options){return this.definition().unmangleable(options)});AST_SymbolAccessor.DEFMETHOD("unmangleable",function(){return true});AST_Label.DEFMETHOD("unmangleable",function(){return false});AST_Symbol.DEFMETHOD("unreferenced",function(){return this.definition().references.length==0&&!(this.scope.uses_eval||this.scope.uses_with)});AST_Symbol.DEFMETHOD("undeclared",function(){return this.definition().undeclared});AST_LabelRef.DEFMETHOD("undeclared",function(){return false});AST_Label.DEFMETHOD("undeclared",function(){return false});AST_Symbol.DEFMETHOD("definition",function(){return this.thedef});AST_Symbol.DEFMETHOD("global",function(){return this.definition().global});AST_Toplevel.DEFMETHOD("_default_mangler_options",function(options){return defaults(options,{except:[],eval:false,sort:false,toplevel:false,screw_ie8:true,keep_fnames:false})});AST_Toplevel.DEFMETHOD("mangle_names",function(options){options=this._default_mangler_options(options);options.except.push("arguments");var lname=-1;var to_mangle=[];if(options.cache){this.globals.each(function(symbol){if(options.except.indexOf(symbol.name)<0){to_mangle.push(symbol)}})}var tw=new TreeWalker(function(node,descend){if(node instanceof AST_LabeledStatement){var save_nesting=lname;descend();lname=save_nesting;return true}if(node instanceof AST_Scope){var p=tw.parent(),a=[];node.variables.each(function(symbol){if(options.except.indexOf(symbol.name)<0){a.push(symbol)}});to_mangle.push.apply(to_mangle,a);return}if(node instanceof AST_Label){var name;do{name=base54(++lname)}while(!is_identifier(name));node.mangled_name=name;return true}if(options.screw_ie8&&node instanceof AST_SymbolCatch){to_mangle.push(node.definition());return}});this.walk(tw);to_mangle.forEach(function(def){def.mangle(options)});if(options.cache){options.cache.cname=this.cname}});AST_Toplevel.DEFMETHOD("compute_char_frequency",function(options){options=this._default_mangler_options(options);var tw=new TreeWalker(function(node){if(node instanceof AST_Constant)base54.consider(node.print_to_string());else if(node instanceof AST_Return)base54.consider("return");else if(node instanceof AST_Throw)base54.consider("throw");else if(node instanceof AST_Continue)base54.consider("continue");else if(node instanceof AST_Break)base54.consider("break");else if(node instanceof AST_Debugger)base54.consider("debugger");else if(node instanceof AST_Directive)base54.consider(node.value);else if(node instanceof AST_While)base54.consider("while");else if(node instanceof AST_Do)base54.consider("do while");else if(node instanceof AST_If){base54.consider("if");if(node.alternative)base54.consider("else")}else if(node instanceof AST_Var)base54.consider("var");else if(node instanceof AST_Const)base54.consider("const");else if(node instanceof AST_Lambda)base54.consider("function");else if(node instanceof AST_For)base54.consider("for");else if(node instanceof AST_ForIn)base54.consider("for in");else if(node instanceof AST_Switch)base54.consider("switch");else if(node instanceof AST_Case)base54.consider("case");else if(node instanceof AST_Default)base54.consider("default");else if(node instanceof AST_With)base54.consider("with");else if(node instanceof AST_ObjectSetter)base54.consider("set"+node.key);else if(node instanceof AST_ObjectGetter)base54.consider("get"+node.key);else if(node instanceof AST_ObjectKeyVal)base54.consider(node.key);else if(node instanceof AST_New)base54.consider("new");else if(node instanceof AST_This)base54.consider("this");else if(node instanceof AST_Try)base54.consider("try");else if(node instanceof AST_Catch)base54.consider("catch");else if(node instanceof AST_Finally)base54.consider("finally");else if(node instanceof AST_Symbol&&node.unmangleable(options))base54.consider(node.name);else if(node instanceof AST_Unary||node instanceof AST_Binary)base54.consider(node.operator);else if(node instanceof AST_Dot)base54.consider(node.property)});this.walk(tw);base54.sort()});var base54=function(){var string="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_0123456789";var chars,frequency;function reset(){frequency=Object.create(null);chars=string.split("").map(function(ch){return ch.charCodeAt(0)});chars.forEach(function(ch){frequency[ch]=0})}base54.consider=function(str){for(var i=str.length;--i>=0;){var code=str.charCodeAt(i);if(code in frequency)++frequency[code]}};base54.sort=function(){chars=mergeSort(chars,function(a,b){if(is_digit(a)&&!is_digit(b))return 1;if(is_digit(b)&&!is_digit(a))return-1;return frequency[b]-frequency[a]})};base54.reset=reset;reset();base54.get=function(){return chars};base54.freq=function(){return frequency};function base54(num){var ret="",base=54;num++;do{num--;ret+=String.fromCharCode(chars[num%base]);num=Math.floor(num/base);base=64}while(num>0);return ret}return base54}();AST_Toplevel.DEFMETHOD("scope_warnings",function(options){options=defaults(options,{undeclared:false,unreferenced:true,assign_to_global:true,func_arguments:true,nested_defuns:true,eval:true});var tw=new TreeWalker(function(node){if(options.undeclared&&node instanceof AST_SymbolRef&&node.undeclared()){AST_Node.warn("Undeclared symbol: {name} [{file}:{line},{col}]",{name:node.name,file:node.start.file,line:node.start.line,col:node.start.col})}if(options.assign_to_global){var sym=null;if(node instanceof AST_Assign&&node.left instanceof AST_SymbolRef)sym=node.left;else if(node instanceof AST_ForIn&&node.init instanceof AST_SymbolRef)sym=node.init;if(sym&&(sym.undeclared()||sym.global()&&sym.scope!==sym.definition().scope)){AST_Node.warn("{msg}: {name} [{file}:{line},{col}]",{msg:sym.undeclared()?"Accidental global?":"Assignment to global",name:sym.name,file:sym.start.file,line:sym.start.line,col:sym.start.col})}}if(options.eval&&node instanceof AST_SymbolRef&&node.undeclared()&&node.name=="eval"){AST_Node.warn("Eval is used [{file}:{line},{col}]",node.start)}if(options.unreferenced&&(node instanceof AST_SymbolDeclaration||node instanceof AST_Label)&&!(node instanceof AST_SymbolCatch)&&node.unreferenced()){AST_Node.warn("{type} {name} is declared but not referenced [{file}:{line},{col}]",{type:node instanceof AST_Label?"Label":"Symbol",name:node.name,file:node.start.file,line:node.start.line,col:node.start.col})}if(options.func_arguments&&node instanceof AST_Lambda&&node.uses_arguments){AST_Node.warn("arguments used in function {name} [{file}:{line},{col}]",{name:node.name?node.name.name:"anonymous",file:node.start.file,line:node.start.line,col:node.start.col})}if(options.nested_defuns&&node instanceof AST_Defun&&!(tw.parent()instanceof AST_Scope)){AST_Node.warn('Function {name} declared in nested statement "{type}" [{file}:{line},{col}]',{name:node.name.name,type:tw.parent().TYPE,file:node.start.file,line:node.start.line,col:node.start.col})}});this.walk(tw)});/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";var EXPECT_DIRECTIVE=/^$|[;{][\s\n]*$/;function is_some_comments(comment){return comment.type=="comment2"&&/@preserve|@license|@cc_on/i.test(comment.value)}function OutputStream(options){options=defaults(options,{indent_start:0,indent_level:4,quote_keys:false,space_colon:true,ascii_only:false,unescape_regexps:false,inline_script:false,width:80,max_line_len:false,beautify:false,source_map:null,bracketize:false,semicolons:true,comments:false,shebang:true,preserve_line:false,screw_ie8:true,preamble:null,quote_style:0,keep_quoted_props:false,wrap_iife:false},true);var comment_filter=return_false;if(options.comments){var comments=options.comments;if(typeof options.comments==="string"&&/^\/.*\/[a-zA-Z]*$/.test(options.comments)){var regex_pos=options.comments.lastIndexOf("/");comments=new RegExp(options.comments.substr(1,regex_pos-1),options.comments.substr(regex_pos+1))}if(comments instanceof RegExp){comment_filter=function(comment){return comment.type!="comment5"&&comments.test(comment.value)}}else if(typeof comments==="function"){comment_filter=function(comment){return comment.type!="comment5"&&comments(this,comment)}}else if(comments==="some"){comment_filter=is_some_comments}else{comment_filter=return_true}}var indentation=0;var current_col=0;var current_line=1;var current_pos=0;var OUTPUT="";function to_ascii(str,identifier){return str.replace(/[\u0000-\u001f\u007f-\uffff]/g,function(ch){var code=ch.charCodeAt(0).toString(16);if(code.length<=2&&!identifier){while(code.length<2)code="0"+code;return"\\x"+code}else{while(code.length<4)code="0"+code;return"\\u"+code}})}function make_string(str,quote){var dq=0,sq=0;str=str.replace(/[\\\b\f\n\r\v\t\x22\x27\u2028\u2029\0\ufeff]/g,function(s,i){switch(s){case'"':++dq;return'"';case"'":++sq;return"'";case"\\":return"\\\\";case"\n":return"\\n";case"\r":return"\\r";case"\t":return"\\t";case"\b":return"\\b";case"\f":return"\\f";case"\v":return options.screw_ie8?"\\v":"\\x0B";case"\u2028":return"\\u2028";case"\u2029":return"\\u2029";case"\ufeff":return"\\ufeff";case"\0":return/[0-7]/.test(str.charAt(i+1))?"\\x00":"\\0"}return s});function quote_single(){return"'"+str.replace(/\x27/g,"\\'")+"'"}function quote_double(){return'"'+str.replace(/\x22/g,'\\"')+'"'}if(options.ascii_only)str=to_ascii(str);switch(options.quote_style){case 1:return quote_single();case 2:return quote_double();case 3:return quote=="'"?quote_single():quote_double();default:return dq>sq?quote_single():quote_double()}}function encode_string(str,quote){var ret=make_string(str,quote);if(options.inline_script){ret=ret.replace(/<\x2fscript([>\/\t\n\f\r ])/gi,"<\\/script$1");ret=ret.replace(/\x3c!--/g,"\\x3c!--");ret=ret.replace(/--\x3e/g,"--\\x3e")}return ret}function make_name(name){name=name.toString();if(options.ascii_only)name=to_ascii(name,true);return name}function make_indent(back){return repeat_string(" ",options.indent_start+indentation-back*options.indent_level)}var might_need_space=false;var might_need_semicolon=false;var might_add_newline=0;var last=null;function last_char(){return last.charAt(last.length-1)}var ensure_line_len=options.max_line_len?function(){if(current_col>options.max_line_len){if(might_add_newline){var left=OUTPUT.slice(0,might_add_newline);var right=OUTPUT.slice(might_add_newline);OUTPUT=left+"\n"+right;current_line++;current_pos++;current_col=right.length}if(current_col>options.max_line_len){AST_Node.warn("Output exceeds {max_line_len} characters",options)}}might_add_newline=0}:noop;var requireSemicolonChars=makePredicate("( [ + * / - , .");function print(str){str=String(str);var ch=str.charAt(0);if(might_need_semicolon){might_need_semicolon=false;if((!ch||";}".indexOf(ch)<0)&&!/[;]$/.test(last)){if(options.semicolons||requireSemicolonChars(ch)){OUTPUT+=";";current_col++;current_pos++}else{ensure_line_len();OUTPUT+="\n";current_pos++;current_line++;current_col=0;if(/^\s+$/.test(str)){might_need_semicolon=true}}if(!options.beautify)might_need_space=false}}if(!options.beautify&&options.preserve_line&&stack[stack.length-1]){var target_line=stack[stack.length-1].start.line;while(current_line0){ensure_line_len();current_col=a[n].length}last=str}var space=options.beautify?function(){print(" ")}:function(){might_need_space=true};var indent=options.beautify?function(half){if(options.beautify){print(make_indent(half?.5:0))}}:noop;var with_indent=options.beautify?function(col,cont){if(col===true)col=next_indent();var save_indentation=indentation;indentation=col;var ret=cont();indentation=save_indentation;return ret}:function(col,cont){return cont()};var newline=options.beautify?function(){print("\n")}:options.max_line_len?function(){ensure_line_len();might_add_newline=OUTPUT.length}:noop;var semicolon=options.beautify?function(){print(";")}:function(){might_need_semicolon=true};function force_semicolon(){might_need_semicolon=false;print(";")}function next_indent(){return indentation+options.indent_level}function with_block(cont){var ret;print("{");newline();with_indent(next_indent(),function(){ret=cont()});indent();print("}");return ret}function with_parens(cont){print("(");var ret=cont();print(")");return ret}function with_square(cont){print("[");var ret=cont();print("]");return ret}function comma(){print(",");space()}function colon(){print(":");if(options.space_colon)space()}var add_mapping=options.source_map?function(token,name){try{if(token)options.source_map.add(token.file||"?",current_line,current_col,token.line,token.col,!name&&token.type=="name"?token.value:name)}catch(ex){AST_Node.warn("Couldn't figure out mapping for {file}:{line},{col} → {cline},{ccol} [{name}]",{file:token.file,line:token.line,col:token.col,cline:current_line,ccol:current_col,name:name||""})}}:noop;function get(){if(might_add_newline){ensure_line_len()}return OUTPUT}var stack=[];return{get:get,toString:get,indent:indent,indentation:function(){return indentation},current_width:function(){return current_col-indentation},should_break:function(){return options.width&&this.current_width()>=options.width},newline:newline,print:print,space:space,comma:comma,colon:colon,last:function(){return last},semicolon:semicolon,force_semicolon:force_semicolon,to_ascii:to_ascii,print_name:function(name){print(make_name(name))},print_string:function(str,quote,escape_directive){var encoded=encode_string(str,quote);if(escape_directive===true&&encoded.indexOf("\\")===-1){if(!EXPECT_DIRECTIVE.test(OUTPUT)){force_semicolon()}force_semicolon()}print(encoded)},encode_string:encode_string,next_indent:next_indent,with_indent:with_indent,with_block:with_block,with_parens:with_parens,with_square:with_square,add_mapping:add_mapping,option:function(opt){return options[opt]},comment_filter:comment_filter,line:function(){return current_line},col:function(){return current_col},pos:function(){return current_pos},push_node:function(node){stack.push(node)},pop_node:function(){return stack.pop()},parent:function(n){return stack[stack.length-2-(n||0)]}}}(function(){function DEFPRINT(nodetype,generator){nodetype.DEFMETHOD("_codegen",generator)}var use_asm=false;var in_directive=false;AST_Node.DEFMETHOD("print",function(stream,force_parens){var self=this,generator=self._codegen,prev_use_asm=use_asm;if(self instanceof AST_Directive&&self.value=="use asm"&&stream.parent()instanceof AST_Scope){use_asm=true}function doit(){self.add_comments(stream);self.add_source_map(stream);generator(self,stream)}stream.push_node(self);if(force_parens||self.needs_parens(stream)){stream.with_parens(doit)}else{doit()}stream.pop_node();if(self instanceof AST_Scope){use_asm=prev_use_asm}});AST_Node.DEFMETHOD("print_to_string",function(options){var s=OutputStream(options);if(!options)s._readonly=true;this.print(s);return s.get()});AST_Node.DEFMETHOD("add_comments",function(output){if(output._readonly)return;var self=this;var start=self.start;if(start&&!start._comments_dumped){start._comments_dumped=true;var comments=start.comments_before||[];if(self instanceof AST_Exit&&self.value){self.value.walk(new TreeWalker(function(node){if(node.start&&node.start.comments_before){comments=comments.concat(node.start.comments_before);node.start.comments_before=[]}if(node instanceof AST_Function||node instanceof AST_Array||node instanceof AST_Object){return true}}))}if(comments.length>0&&output.pos()==0){if(output.option("shebang")&&comments[0].type=="comment5"){output.print("#!"+comments.shift().value+"\n");output.indent()}var preamble=output.option("preamble");if(preamble){output.print(preamble.replace(/\r\n?|[\n\u2028\u2029]|\s*$/g,"\n"))}}comments=comments.filter(output.comment_filter,self);if(!output.option("beautify")&&comments.length>0&&/comment[134]/.test(comments[0].type)&&output.col()!==0&&comments[0].nlb){output.print("\n")}comments.forEach(function(c){if(/comment[134]/.test(c.type)){output.print("//"+c.value+"\n");output.indent()}else if(c.type=="comment2"){output.print("/*"+c.value+"*/");if(start.nlb){output.print("\n");output.indent()}else{output.space()}}})}});function PARENS(nodetype,func){if(Array.isArray(nodetype)){nodetype.forEach(function(nodetype){PARENS(nodetype,func)})}else{nodetype.DEFMETHOD("needs_parens",func)}}PARENS(AST_Node,function(){return false});PARENS(AST_Function,function(output){if(first_in_statement(output)){return true}if(output.option("wrap_iife")){var p=output.parent();return p instanceof AST_Call&&p.expression===this}return false});PARENS(AST_Object,function(output){return first_in_statement(output)});PARENS([AST_Unary,AST_Undefined],function(output){var p=output.parent();return p instanceof AST_PropAccess&&p.expression===this||p instanceof AST_Call&&p.expression===this});PARENS(AST_Seq,function(output){var p=output.parent();return p instanceof AST_Call||p instanceof AST_Unary||p instanceof AST_Binary||p instanceof AST_VarDef||p instanceof AST_PropAccess||p instanceof AST_Array||p instanceof AST_ObjectProperty||p instanceof AST_Conditional});PARENS(AST_Binary,function(output){var p=output.parent();if(p instanceof AST_Call&&p.expression===this)return true;if(p instanceof AST_Unary)return true;if(p instanceof AST_PropAccess&&p.expression===this)return true;if(p instanceof AST_Binary){var po=p.operator,pp=PRECEDENCE[po];var so=this.operator,sp=PRECEDENCE[so];if(pp>sp||pp==sp&&this===p.right){return true}}});PARENS(AST_PropAccess,function(output){var p=output.parent();if(p instanceof AST_New&&p.expression===this){try{this.walk(new TreeWalker(function(node){if(node instanceof AST_Call)throw p}))}catch(ex){if(ex!==p)throw ex;return true}}});PARENS(AST_Call,function(output){var p=output.parent(),p1;if(p instanceof AST_New&&p.expression===this)return true;return this.expression instanceof AST_Function&&p instanceof AST_PropAccess&&p.expression===this&&(p1=output.parent(1))instanceof AST_Assign&&p1.left===p});PARENS(AST_New,function(output){var p=output.parent();if(!need_constructor_parens(this,output)&&(p instanceof AST_PropAccess||p instanceof AST_Call&&p.expression===this))return true});PARENS(AST_Number,function(output){var p=output.parent();if(p instanceof AST_PropAccess&&p.expression===this){var value=this.getValue();if(value<0||/^0/.test(make_num(value))){return true}}});PARENS([AST_Assign,AST_Conditional],function(output){var p=output.parent();if(p instanceof AST_Unary)return true;if(p instanceof AST_Binary&&!(p instanceof AST_Assign))return true;if(p instanceof AST_Call&&p.expression===this)return true;if(p instanceof AST_Conditional&&p.condition===this)return true;if(p instanceof AST_PropAccess&&p.expression===this)return true});DEFPRINT(AST_Directive,function(self,output){output.print_string(self.value,self.quote);output.semicolon()});DEFPRINT(AST_Debugger,function(self,output){output.print("debugger");output.semicolon()});function display_body(body,is_toplevel,output,allow_directives){var last=body.length-1;in_directive=allow_directives;body.forEach(function(stmt,i){if(in_directive===true&&!(stmt instanceof AST_Directive||stmt instanceof AST_EmptyStatement||stmt instanceof AST_SimpleStatement&&stmt.body instanceof AST_String)){in_directive=false}if(!(stmt instanceof AST_EmptyStatement)){output.indent();stmt.print(output);if(!(i==last&&is_toplevel)){output.newline();if(is_toplevel)output.newline()}}if(in_directive===true&&stmt instanceof AST_SimpleStatement&&stmt.body instanceof AST_String){in_directive=false}});in_directive=false}AST_StatementWithBody.DEFMETHOD("_do_print_body",function(output){force_statement(this.body,output)});DEFPRINT(AST_Statement,function(self,output){self.body.print(output);output.semicolon()});DEFPRINT(AST_Toplevel,function(self,output){display_body(self.body,true,output,true);output.print("")});DEFPRINT(AST_LabeledStatement,function(self,output){self.label.print(output);output.colon();self.body.print(output)});DEFPRINT(AST_SimpleStatement,function(self,output){self.body.print(output);output.semicolon()});function print_bracketed(body,output,allow_directives){if(body.length>0)output.with_block(function(){display_body(body,false,output,allow_directives)});else output.print("{}")}DEFPRINT(AST_BlockStatement,function(self,output){print_bracketed(self.body,output)});DEFPRINT(AST_EmptyStatement,function(self,output){output.semicolon()});DEFPRINT(AST_Do,function(self,output){output.print("do");output.space();make_block(self.body,output);output.space();output.print("while");output.space();output.with_parens(function(){self.condition.print(output)});output.semicolon()});DEFPRINT(AST_While,function(self,output){output.print("while");output.space();output.with_parens(function(){self.condition.print(output)});output.space();self._do_print_body(output)});DEFPRINT(AST_For,function(self,output){output.print("for");output.space();output.with_parens(function(){if(self.init&&!(self.init instanceof AST_EmptyStatement)){if(self.init instanceof AST_Definitions){self.init.print(output)}else{parenthesize_for_noin(self.init,output,true)}output.print(";");output.space()}else{output.print(";")}if(self.condition){self.condition.print(output);output.print(";");output.space()}else{output.print(";")}if(self.step){self.step.print(output)}});output.space();self._do_print_body(output)});DEFPRINT(AST_ForIn,function(self,output){output.print("for");output.space();output.with_parens(function(){self.init.print(output);output.space();output.print("in");output.space();self.object.print(output)});output.space();self._do_print_body(output)});DEFPRINT(AST_With,function(self,output){output.print("with");output.space();output.with_parens(function(){self.expression.print(output)});output.space();self._do_print_body(output)});AST_Lambda.DEFMETHOD("_do_print",function(output,nokeyword){var self=this;if(!nokeyword){output.print("function")}if(self.name){output.space();self.name.print(output)}output.with_parens(function(){self.argnames.forEach(function(arg,i){if(i)output.comma();arg.print(output)})});output.space();print_bracketed(self.body,output,true)});DEFPRINT(AST_Lambda,function(self,output){self._do_print(output)});AST_Exit.DEFMETHOD("_do_print",function(output,kind){output.print(kind);if(this.value){output.space();this.value.print(output)}output.semicolon()});DEFPRINT(AST_Return,function(self,output){self._do_print(output,"return")});DEFPRINT(AST_Throw,function(self,output){self._do_print(output,"throw")});AST_LoopControl.DEFMETHOD("_do_print",function(output,kind){output.print(kind);if(this.label){output.space();this.label.print(output)}output.semicolon()});DEFPRINT(AST_Break,function(self,output){self._do_print(output,"break")});DEFPRINT(AST_Continue,function(self,output){self._do_print(output,"continue")});function make_then(self,output){var b=self.body;if(output.option("bracketize")||!output.option("screw_ie8")&&b instanceof AST_Do)return make_block(b,output);if(!b)return output.force_semicolon();while(true){if(b instanceof AST_If){if(!b.alternative){make_block(self.body,output);return}b=b.alternative}else if(b instanceof AST_StatementWithBody){b=b.body}else break}force_statement(self.body,output)}DEFPRINT(AST_If,function(self,output){output.print("if");output.space();output.with_parens(function(){self.condition.print(output)});output.space();if(self.alternative){make_then(self,output);output.space();output.print("else");output.space();if(self.alternative instanceof AST_If)self.alternative.print(output);else force_statement(self.alternative,output)}else{self._do_print_body(output)}});DEFPRINT(AST_Switch,function(self,output){output.print("switch");output.space();output.with_parens(function(){self.expression.print(output)});output.space();if(self.body.length>0)output.with_block(function(){self.body.forEach(function(stmt,i){if(i)output.newline();output.indent(true);stmt.print(output)})});else output.print("{}")});AST_SwitchBranch.DEFMETHOD("_do_print_body",function(output){if(this.body.length>0){output.newline();this.body.forEach(function(stmt){output.indent();stmt.print(output);output.newline()})}});DEFPRINT(AST_Default,function(self,output){output.print("default:");self._do_print_body(output)});DEFPRINT(AST_Case,function(self,output){output.print("case");output.space();self.expression.print(output);output.print(":");self._do_print_body(output)});DEFPRINT(AST_Try,function(self,output){output.print("try");output.space();print_bracketed(self.body,output);if(self.bcatch){output.space();self.bcatch.print(output)}if(self.bfinally){output.space();self.bfinally.print(output)}});DEFPRINT(AST_Catch,function(self,output){output.print("catch");output.space();output.with_parens(function(){self.argname.print(output)});output.space();print_bracketed(self.body,output)});DEFPRINT(AST_Finally,function(self,output){output.print("finally");output.space();print_bracketed(self.body,output)});AST_Definitions.DEFMETHOD("_do_print",function(output,kind){output.print(kind);output.space();this.definitions.forEach(function(def,i){if(i)output.comma();def.print(output)});var p=output.parent();var in_for=p instanceof AST_For||p instanceof AST_ForIn;var avoid_semicolon=in_for&&p.init===this;if(!avoid_semicolon)output.semicolon()});DEFPRINT(AST_Var,function(self,output){self._do_print(output,"var")});DEFPRINT(AST_Const,function(self,output){self._do_print(output,"const")});function parenthesize_for_noin(node,output,noin){if(!noin)node.print(output);else try{node.walk(new TreeWalker(function(node){if(node instanceof AST_Binary&&node.operator=="in")throw output}));node.print(output)}catch(ex){if(ex!==output)throw ex;node.print(output,true)}}DEFPRINT(AST_VarDef,function(self,output){self.name.print(output);if(self.value){output.space();output.print("=");output.space();var p=output.parent(1);var noin=p instanceof AST_For||p instanceof AST_ForIn;parenthesize_for_noin(self.value,output,noin)}});DEFPRINT(AST_Call,function(self,output){self.expression.print(output);if(self instanceof AST_New&&!need_constructor_parens(self,output))return;output.with_parens(function(){self.args.forEach(function(expr,i){if(i)output.comma();expr.print(output)})})});DEFPRINT(AST_New,function(self,output){output.print("new");output.space();AST_Call.prototype._codegen(self,output)});AST_Seq.DEFMETHOD("_do_print",function(output){this.car.print(output);if(this.cdr){output.comma();if(output.should_break()){output.newline();output.indent()}this.cdr.print(output)}});DEFPRINT(AST_Seq,function(self,output){self._do_print(output)});DEFPRINT(AST_Dot,function(self,output){var expr=self.expression;expr.print(output);if(expr instanceof AST_Number&&expr.getValue()>=0){if(!/[xa-f.)]/i.test(output.last())){output.print(".")}}output.print(".");output.add_mapping(self.end);output.print_name(self.property)});DEFPRINT(AST_Sub,function(self,output){self.expression.print(output);output.print("[");self.property.print(output);output.print("]")});DEFPRINT(AST_UnaryPrefix,function(self,output){var op=self.operator;output.print(op);if(/^[a-z]/i.test(op)||/[+-]$/.test(op)&&self.expression instanceof AST_UnaryPrefix&&/^[+-]/.test(self.expression.operator)){output.space()}self.expression.print(output)});DEFPRINT(AST_UnaryPostfix,function(self,output){self.expression.print(output);output.print(self.operator)});DEFPRINT(AST_Binary,function(self,output){var op=self.operator;self.left.print(output);if(op[0]==">"&&self.left instanceof AST_UnaryPostfix&&self.left.operator=="--"){output.print(" ")}else{output.space()}output.print(op);if((op=="<"||op=="<<")&&self.right instanceof AST_UnaryPrefix&&self.right.operator=="!"&&self.right.expression instanceof AST_UnaryPrefix&&self.right.expression.operator=="--"){output.print(" ")}else{output.space()}self.right.print(output)});DEFPRINT(AST_Conditional,function(self,output){self.condition.print(output);output.space();output.print("?");output.space();self.consequent.print(output);output.space();output.colon();self.alternative.print(output)});DEFPRINT(AST_Array,function(self,output){output.with_square(function(){var a=self.elements,len=a.length;if(len>0)output.space();a.forEach(function(exp,i){if(i)output.comma();exp.print(output);if(i===len-1&&exp instanceof AST_Hole)output.comma()});if(len>0)output.space()})});DEFPRINT(AST_Object,function(self,output){if(self.properties.length>0)output.with_block(function(){self.properties.forEach(function(prop,i){if(i){output.print(",");output.newline()}output.indent();prop.print(output)});output.newline()});else output.print("{}")});DEFPRINT(AST_ObjectKeyVal,function(self,output){var key=self.key;var quote=self.quote;if(output.option("quote_keys")){output.print_string(key+"")}else if((typeof key=="number"||!output.option("beautify")&&+key+""==key)&&parseFloat(key)>=0){output.print(make_num(key))}else if(RESERVED_WORDS(key)?output.option("screw_ie8"):is_identifier_string(key)){if(quote&&output.option("keep_quoted_props")){output.print_string(key,quote)}else{output.print_name(key)}}else{output.print_string(key,quote)}output.colon();self.value.print(output)});DEFPRINT(AST_ObjectSetter,function(self,output){output.print("set");output.space();self.key.print(output);self.value._do_print(output,true)});DEFPRINT(AST_ObjectGetter,function(self,output){output.print("get");output.space();self.key.print(output);self.value._do_print(output,true)});DEFPRINT(AST_Symbol,function(self,output){var def=self.definition();output.print_name(def?def.mangled_name||def.name:self.name)});DEFPRINT(AST_Undefined,function(self,output){output.print("void 0")});DEFPRINT(AST_Hole,noop);DEFPRINT(AST_Infinity,function(self,output){output.print("Infinity")});DEFPRINT(AST_NaN,function(self,output){output.print("NaN")});DEFPRINT(AST_This,function(self,output){output.print("this")});DEFPRINT(AST_Constant,function(self,output){output.print(self.getValue())});DEFPRINT(AST_String,function(self,output){output.print_string(self.getValue(),self.quote,in_directive)});DEFPRINT(AST_Number,function(self,output){if(use_asm&&self.start&&self.start.raw!=null){output.print(self.start.raw)}else{output.print(make_num(self.getValue()))}});function regexp_safe_literal(code){return[92,47,46,43,42,63,40,41,91,93,123,125,36,94,58,124,33,10,13,0,65279,8232,8233].indexOf(code)<0}DEFPRINT(AST_RegExp,function(self,output){var str=self.getValue().toString();if(output.option("ascii_only")){str=output.to_ascii(str)}else if(output.option("unescape_regexps")){str=str.split("\\\\").map(function(str){return str.replace(/\\u[0-9a-fA-F]{4}|\\x[0-9a-fA-F]{2}/g,function(s){var code=parseInt(s.substr(2),16);return regexp_safe_literal(code)?String.fromCharCode(code):s})}).join("\\\\")}output.print(str);var p=output.parent();if(p instanceof AST_Binary&&/^in/.test(p.operator)&&p.left===self)output.print(" ")});function force_statement(stat,output){if(output.option("bracketize")){make_block(stat,output)}else{if(!stat||stat instanceof AST_EmptyStatement)output.force_semicolon();else stat.print(output)}}function need_constructor_parens(self,output){if(self.args.length>0)return true;return output.option("beautify")}function best_of(a){var best=a[0],len=best.length;for(var i=1;i=0){a.push("0x"+num.toString(16).toLowerCase(),"0"+num.toString(8))}else{a.push("-0x"+(-num).toString(16).toLowerCase(),"-0"+(-num).toString(8))}if(m=/^(.*?)(0+)$/.exec(num)){a.push(m[1]+"e"+m[2].length)}}else if(m=/^0?\.(0+)(.*)$/.exec(num)){a.push(m[2]+"e-"+(m[1].length+m[2].length),str.substr(str.indexOf(".")))}return best_of(a)}function make_block(stmt,output){if(!stmt||stmt instanceof AST_EmptyStatement)output.print("{}");else if(stmt instanceof AST_BlockStatement)stmt.print(output);else output.with_block(function(){output.indent();stmt.print(output);output.newline()})}function DEFMAP(nodetype,generator){nodetype.DEFMETHOD("add_source_map",function(stream){generator(this,stream)})}DEFMAP(AST_Node,noop);function basic_sourcemap_gen(self,output){output.add_mapping(self.start)}DEFMAP(AST_Directive,basic_sourcemap_gen);DEFMAP(AST_Debugger,basic_sourcemap_gen);DEFMAP(AST_Symbol,basic_sourcemap_gen);DEFMAP(AST_Jump,basic_sourcemap_gen);DEFMAP(AST_StatementWithBody,basic_sourcemap_gen);DEFMAP(AST_LabeledStatement,noop);DEFMAP(AST_Lambda,basic_sourcemap_gen);DEFMAP(AST_Switch,basic_sourcemap_gen);DEFMAP(AST_SwitchBranch,basic_sourcemap_gen);DEFMAP(AST_BlockStatement,basic_sourcemap_gen);DEFMAP(AST_Toplevel,noop);DEFMAP(AST_New,basic_sourcemap_gen);DEFMAP(AST_Try,basic_sourcemap_gen);DEFMAP(AST_Catch,basic_sourcemap_gen);DEFMAP(AST_Finally,basic_sourcemap_gen);DEFMAP(AST_Definitions,basic_sourcemap_gen);DEFMAP(AST_Constant,basic_sourcemap_gen);DEFMAP(AST_ObjectSetter,function(self,output){output.add_mapping(self.start,self.key.name)});DEFMAP(AST_ObjectGetter,function(self,output){output.add_mapping(self.start,self.key.name)});DEFMAP(AST_ObjectProperty,function(self,output){output.add_mapping(self.start,self.key)})})();/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function Compressor(options,false_by_default){if(!(this instanceof Compressor))return new Compressor(options,false_by_default);TreeTransformer.call(this,this.before,this.after);this.options=defaults(options,{sequences:!false_by_default,properties:!false_by_default,dead_code:!false_by_default,drop_debugger:!false_by_default,unsafe:false,unsafe_comps:false,unsafe_math:false,unsafe_proto:false,conditionals:!false_by_default,comparisons:!false_by_default,evaluate:!false_by_default,booleans:!false_by_default,loops:!false_by_default,unused:!false_by_default,toplevel:!!(options&&options["top_retain"]),top_retain:null,hoist_funs:!false_by_default,keep_fargs:true,keep_fnames:false,hoist_vars:false,if_return:!false_by_default,join_vars:!false_by_default,collapse_vars:!false_by_default,reduce_vars:!false_by_default,cascade:!false_by_default,side_effects:!false_by_default,pure_getters:false,pure_funcs:null,negate_iife:!false_by_default,screw_ie8:true,drop_console:false,angular:false,expression:false,warnings:true,global_defs:{},passes:1},true);var pure_funcs=this.options["pure_funcs"];if(typeof pure_funcs=="function"){this.pure_funcs=pure_funcs}else{this.pure_funcs=pure_funcs?function(node){return pure_funcs.indexOf(node.expression.print_to_string())<0}:return_true}var top_retain=this.options["top_retain"];if(top_retain instanceof RegExp){this.top_retain=function(def){return top_retain.test(def.name)}}else if(typeof top_retain==="function"){this.top_retain=top_retain}else if(top_retain){if(typeof top_retain==="string"){top_retain=top_retain.split(/,/)}this.top_retain=function(def){return top_retain.indexOf(def.name)>=0}}var sequences=this.options["sequences"];this.sequences_limit=sequences==1?200:sequences|0;this.warnings_produced={}}Compressor.prototype=new TreeTransformer;merge(Compressor.prototype,{option:function(key){return this.options[key]},compress:function(node){if(this.option("expression")){node=node.process_expression(true)}var passes=+this.options.passes||1;for(var pass=0;pass0||this.option("reduce_vars"))node.reset_opt_flags(this,true);node=node.transform(this)}if(this.option("expression")){node=node.process_expression(false)}return node},warn:function(text,props){if(this.options.warnings){var message=string_template(text,props);if(!(message in this.warnings_produced)){this.warnings_produced[message]=true;AST_Node.warn.apply(AST_Node,arguments)}}},clear_warnings:function(){this.warnings_produced={}},before:function(node,descend,in_list){if(node._squeezed)return node;var was_scope=false;if(node instanceof AST_Scope){node=node.hoist_declarations(this);was_scope=true}descend(node,this);node=node.optimize(this);if(was_scope&&node instanceof AST_Scope){node.drop_unused(this);descend(node,this)}node._squeezed=true;return node}});(function(){function OPT(node,optimizer){node.DEFMETHOD("optimize",function(compressor){var self=this;if(self._optimized)return self;if(compressor.has_directive("use asm"))return self;var opt=optimizer(self,compressor);opt._optimized=true;if(opt===self)return opt;return opt.transform(compressor)})}OPT(AST_Node,function(self,compressor){return self});AST_Node.DEFMETHOD("equivalent_to",function(node){return this.print_to_string()==node.print_to_string()});AST_Node.DEFMETHOD("process_expression",function(insert){var self=this;var tt=new TreeTransformer(function(node){if(insert&&node instanceof AST_SimpleStatement){return make_node(AST_Return,node,{value:node.body})}if(!insert&&node instanceof AST_Return){return make_node(AST_SimpleStatement,node,{body:node.value||make_node(AST_Undefined,node)})}if(node instanceof AST_Lambda&&node!==self){return node}if(node instanceof AST_Block){var index=node.body.length-1;if(index>=0){node.body[index]=node.body[index].transform(tt)}}if(node instanceof AST_If){node.body=node.body.transform(tt);if(node.alternative){node.alternative=node.alternative.transform(tt)}}if(node instanceof AST_With){node.body=node.body.transform(tt)}return node});return self.transform(tt)});AST_Node.DEFMETHOD("reset_opt_flags",function(compressor,rescan){var reduce_vars=rescan&&compressor.option("reduce_vars");var toplevel=compressor.option("toplevel");var ie8=!compressor.option("screw_ie8");var safe_ids=[];push();var suppressor=new TreeWalker(function(node){if(node instanceof AST_Symbol){var d=node.definition();if(node instanceof AST_SymbolRef)d.references.push(node);d.fixed=false}});var tw=new TreeWalker(function(node,descend){if(!(node instanceof AST_Directive||node instanceof AST_Constant)){node._squeezed=false;node._optimized=false}if(reduce_vars){if(node instanceof AST_Toplevel)node.globals.each(reset_def);if(node instanceof AST_Scope)node.variables.each(reset_def);if(node instanceof AST_SymbolRef){var d=node.definition();d.references.push(node);if(!d.fixed||!is_safe(d)||is_modified(node,0,d.fixed instanceof AST_Lambda)){d.fixed=false}}if(ie8&&node instanceof AST_SymbolCatch){node.definition().fixed=false}if(node instanceof AST_VarDef){var d=node.name.definition();if(d.fixed===undefined){d.fixed=node.value||make_node(AST_Undefined,node);mark_as_safe(d)}else{d.fixed=false}}if(node instanceof AST_Defun){var d=node.name.definition();if(!toplevel&&d.global||is_safe(d)){d.fixed=false}else{d.fixed=node;mark_as_safe(d)}var save_ids=safe_ids;safe_ids=[];push();descend();safe_ids=save_ids;return true}var iife;if(node instanceof AST_Function&&(iife=tw.parent())instanceof AST_Call&&iife.expression===node){node.argnames.forEach(function(arg,i){var d=arg.definition();d.fixed=iife.args[i]||make_node(AST_Undefined,iife);mark_as_safe(d)})}if(node instanceof AST_If||node instanceof AST_DWLoop){node.condition.walk(tw);push();node.body.walk(tw);pop();if(node.alternative){push();node.alternative.walk(tw);pop()}return true}if(node instanceof AST_LabeledStatement){push();node.body.walk(tw);pop();return true}if(node instanceof AST_For){if(node.init)node.init.walk(tw);push();if(node.condition)node.condition.walk(tw);node.body.walk(tw);if(node.step)node.step.walk(tw);pop();return true}if(node instanceof AST_ForIn){node.init.walk(suppressor);node.object.walk(tw);push();node.body.walk(tw);pop();return true}if(node instanceof AST_Catch){push();descend();pop();return true}}});this.walk(tw);function mark_as_safe(def){safe_ids[safe_ids.length-1][def.id]=true}function is_safe(def){for(var i=safe_ids.length,id=def.id;--i>=0;){if(safe_ids[i][id])return true}}function push(){safe_ids.push(Object.create(null))}function pop(){safe_ids.pop()}function reset_def(def){if(toplevel||!def.global||def.orig[0]instanceof AST_SymbolConst){def.fixed=undefined}else{def.fixed=false}def.references=[];def.should_replace=undefined}function is_modified(node,level,func){var parent=tw.parent(level);if(isLHS(node,parent)||!func&&parent instanceof AST_Call&&parent.expression===node){return true}else if(parent instanceof AST_PropAccess&&parent.expression===node){return!func&&is_modified(parent,level+1)}}});function make_node(ctor,orig,props){if(!props)props={};if(orig){if(!props.start)props.start=orig.start;if(!props.end)props.end=orig.end}return new ctor(props)}function make_node_from_constant(compressor,val,orig){switch(typeof val){case"string":return make_node(AST_String,orig,{value:val});case"number":if(isNaN(val)){return make_node(AST_NaN,orig)}if(1/val<0){return make_node(AST_UnaryPrefix,orig,{operator:"-",expression:make_node(AST_Number,orig,{value:-val})})}return make_node(AST_Number,orig,{value:val});case"boolean":return make_node(val?AST_True:AST_False,orig).transform(compressor);case"undefined":return make_node(AST_Undefined,orig).transform(compressor);default:if(val===null){return make_node(AST_Null,orig,{value:null})}if(val instanceof RegExp){return make_node(AST_RegExp,orig,{value:val})}throw new Error(string_template("Can't handle constant of type: {type}",{type:typeof val}))}}function maintain_this_binding(parent,orig,val){if(parent instanceof AST_Call&&parent.expression===orig){if(val instanceof AST_PropAccess||val instanceof AST_SymbolRef&&val.name==="eval"){return make_node(AST_Seq,orig,{car:make_node(AST_Number,orig,{value:0}),cdr:val})}}return val}function as_statement_array(thing){if(thing===null)return[];if(thing instanceof AST_BlockStatement)return thing.body;if(thing instanceof AST_EmptyStatement)return[];if(thing instanceof AST_Statement)return[thing];throw new Error("Can't convert thing to statement array")}function is_empty(thing){if(thing===null)return true;if(thing instanceof AST_EmptyStatement)return true;if(thing instanceof AST_BlockStatement)return thing.body.length==0;return false}function loop_body(x){if(x instanceof AST_Switch)return x;if(x instanceof AST_For||x instanceof AST_ForIn||x instanceof AST_DWLoop){return x.body instanceof AST_BlockStatement?x.body:x}return x}var readOnlyPrefix=makePredicate("! ~ + - void typeof");function statement_to_expression(stat){if(stat.body instanceof AST_UnaryPrefix&&readOnlyPrefix(stat.body.operator)){return stat.body.expression}else{return stat.body}}function is_iife_call(node){if(node instanceof AST_Call&&!(node instanceof AST_New)){return node.expression instanceof AST_Function||is_iife_call(node.expression)}return false}function tighten_body(statements,compressor){var CHANGED,max_iter=10;do{CHANGED=false;if(compressor.option("angular")){statements=process_for_angular(statements)}statements=eliminate_spurious_blocks(statements);if(compressor.option("dead_code")){statements=eliminate_dead_code(statements,compressor)}if(compressor.option("if_return")){statements=handle_if_return(statements,compressor)}if(compressor.sequences_limit>0){statements=sequencesize(statements,compressor)}if(compressor.option("join_vars")){statements=join_consecutive_vars(statements,compressor)}if(compressor.option("collapse_vars")){statements=collapse_single_use_vars(statements,compressor)}}while(CHANGED&&max_iter-- >0);return statements;function collapse_single_use_vars(statements,compressor){var self=compressor.self();var var_defs_removed=false;for(var stat_index=statements.length;--stat_index>=0;){var stat=statements[stat_index];if(stat instanceof AST_Definitions)continue;[stat,stat.body,stat.alternative,stat.bcatch,stat.bfinally].forEach(function(node){node&&node.body&&collapse_single_use_vars(node.body,compressor)});if(stat_index<=0)break;var prev_stat_index=stat_index-1;var prev_stat=statements[prev_stat_index];if(!(prev_stat instanceof AST_Definitions))continue;var var_defs=prev_stat.definitions;if(var_defs==null)continue;var var_names_seen={};var side_effects_encountered=false;var lvalues_encountered=false;var lvalues={};for(var var_defs_index=var_defs.length;--var_defs_index>=0;){var var_decl=var_defs[var_defs_index];if(var_decl.value==null)break;var var_name=var_decl.name.name;if(!var_name||!var_name.length)break;if(var_name in var_names_seen)break;var_names_seen[var_name]=true;var def=self.find_variable&&self.find_variable(var_name);if(!def||!def.references||def.references.length!==1||var_name=="arguments"){side_effects_encountered=true;continue}var ref=def.references[0];if(ref.scope.uses_eval||ref.scope.uses_with)break;if(var_decl.value.is_constant()){var ctt=new TreeTransformer(function(node){var parent=ctt.parent();if(parent instanceof AST_IterationStatement&&(parent.condition===node||parent.init===node)){return node}if(node===ref)return replace_var(node,parent,true)});stat.transform(ctt);continue}if(side_effects_encountered|=lvalues_encountered)continue;if(ref.scope!==self){side_effects_encountered|=var_decl.value.has_side_effects(compressor);continue}var tw=new TreeWalker(function(node){if(node instanceof AST_SymbolRef&&is_lvalue(node,tw.parent())){lvalues[node.name]=lvalues_encountered=true}});var_decl.value.walk(tw);var unwind=false;var tt=new TreeTransformer(function preorder(node){if(unwind)return node;var parent=tt.parent();if(node instanceof AST_Lambda||node instanceof AST_Try||node instanceof AST_With||node instanceof AST_Case||node instanceof AST_IterationStatement||parent instanceof AST_If&&node!==parent.condition||parent instanceof AST_Conditional&&node!==parent.condition||parent instanceof AST_Binary&&(parent.operator=="&&"||parent.operator=="||")&&node===parent.right||parent instanceof AST_Switch&&node!==parent.expression){return side_effects_encountered=unwind=true,node}},function postorder(node){if(unwind)return node;if(node===ref)return unwind=true,replace_var(node,tt.parent(),false);if(side_effects_encountered|=node.has_side_effects(compressor))return unwind=true,node;if(lvalues_encountered&&node instanceof AST_SymbolRef&&node.name in lvalues){side_effects_encountered=true;return unwind=true,node}});stat.transform(tt)}}if(var_defs_removed)for(var i=statements.length;--i>=0;){if(statements.length>1&&statements[i]instanceof AST_EmptyStatement)statements.splice(i,1)}return statements;function is_lvalue(node,parent){return node instanceof AST_SymbolRef&&isLHS(node,parent)}function replace_var(node,parent,is_constant){if(is_lvalue(node,parent))return node;var value=maintain_this_binding(parent,node,var_decl.value);var_decl.value=null;var_defs.splice(var_defs_index,1);if(var_defs.length===0){statements[prev_stat_index]=make_node(AST_EmptyStatement,self);var_defs_removed=true}stat.reset_opt_flags(compressor);compressor.warn("Collapsing "+(is_constant?"constant":"variable")+" "+var_name+" [{file}:{line},{col}]",node.start);CHANGED=true;return value}}function process_for_angular(statements){function has_inject(comment){return/@ngInject/.test(comment.value)}function make_arguments_names_list(func){return func.argnames.map(function(sym){return make_node(AST_String,sym,{value:sym.name})})}function make_array(orig,elements){return make_node(AST_Array,orig,{elements:elements})}function make_injector(func,name){return make_node(AST_SimpleStatement,func,{body:make_node(AST_Assign,func,{operator:"=",left:make_node(AST_Dot,name,{expression:make_node(AST_SymbolRef,name,name),property:"$inject"}),right:make_array(func,make_arguments_names_list(func))})})}function check_expression(body){if(body&&body.args){body.args.forEach(function(argument,index,array){var comments=argument.start.comments_before;if(argument instanceof AST_Lambda&&comments.length&&has_inject(comments[0])){array[index]=make_array(argument,make_arguments_names_list(argument).concat(argument))}});if(body.expression&&body.expression.expression){check_expression(body.expression.expression)}}}return statements.reduce(function(a,stat){a.push(stat);if(stat.body&&stat.body.args){check_expression(stat.body)}else{var token=stat.start;var comments=token.comments_before;if(comments&&comments.length>0){var last=comments.pop();if(has_inject(last)){if(stat instanceof AST_Defun){a.push(make_injector(stat,stat.name))}else if(stat instanceof AST_Definitions){stat.definitions.forEach(function(def){if(def.value&&def.value instanceof AST_Lambda){a.push(make_injector(def.value,def.name))}})}else{compressor.warn("Unknown statement marked with @ngInject [{file}:{line},{col}]",token)}}}}return a},[])}function eliminate_spurious_blocks(statements){var seen_dirs=[];return statements.reduce(function(a,stat){if(stat instanceof AST_BlockStatement){CHANGED=true;a.push.apply(a,eliminate_spurious_blocks(stat.body))}else if(stat instanceof AST_EmptyStatement){CHANGED=true}else if(stat instanceof AST_Directive){if(seen_dirs.indexOf(stat.value)<0){a.push(stat);seen_dirs.push(stat.value)}else{CHANGED=true}}else{a.push(stat)}return a},[])}function handle_if_return(statements,compressor){var self=compressor.self();var multiple_if_returns=has_multiple_if_returns(statements);var in_lambda=self instanceof AST_Lambda;var ret=[];loop:for(var i=statements.length;--i>=0;){var stat=statements[i];switch(true){case in_lambda&&stat instanceof AST_Return&&!stat.value&&ret.length==0:CHANGED=true;continue loop;case stat instanceof AST_If:if(stat.body instanceof AST_Return){if((in_lambda&&ret.length==0||ret[0]instanceof AST_Return&&!ret[0].value)&&!stat.body.value&&!stat.alternative){CHANGED=true;var cond=make_node(AST_SimpleStatement,stat.condition,{body:stat.condition});ret.unshift(cond);continue loop}if(ret[0]instanceof AST_Return&&stat.body.value&&ret[0].value&&!stat.alternative){CHANGED=true;stat=stat.clone();stat.alternative=ret[0];ret[0]=stat.transform(compressor);continue loop}if(multiple_if_returns&&(ret.length==0||ret[0]instanceof AST_Return)&&stat.body.value&&!stat.alternative&&in_lambda){CHANGED=true;stat=stat.clone();stat.alternative=ret[0]||make_node(AST_Return,stat,{value:null});ret[0]=stat.transform(compressor);continue loop}if(!stat.body.value&&in_lambda){CHANGED=true;stat=stat.clone();stat.condition=stat.condition.negate(compressor);var body=as_statement_array(stat.alternative).concat(ret);var funs=extract_functions_from_statement_array(body);stat.body=make_node(AST_BlockStatement,stat,{body:body});stat.alternative=null;ret=funs.concat([stat.transform(compressor)]);continue loop}if(compressor.option("sequences")&&i>0&&statements[i-1]instanceof AST_If&&statements[i-1].body instanceof AST_Return&&ret.length==1&&in_lambda&&ret[0]instanceof AST_SimpleStatement&&!stat.alternative){CHANGED=true;ret.push(make_node(AST_Return,ret[0],{value:null}).transform(compressor));ret.unshift(stat);continue loop}}var ab=aborts(stat.body);var lct=ab instanceof AST_LoopControl?compressor.loopcontrol_target(ab.label):null;if(ab&&(ab instanceof AST_Return&&!ab.value&&in_lambda||ab instanceof AST_Continue&&self===loop_body(lct)||ab instanceof AST_Break&&lct instanceof AST_BlockStatement&&self===lct)){if(ab.label){remove(ab.label.thedef.references,ab)}CHANGED=true;var body=as_statement_array(stat.body).slice(0,-1);stat=stat.clone();stat.condition=stat.condition.negate(compressor);stat.body=make_node(AST_BlockStatement,stat,{body:as_statement_array(stat.alternative).concat(ret)});stat.alternative=make_node(AST_BlockStatement,stat,{body:body});ret=[stat.transform(compressor)];continue loop}var ab=aborts(stat.alternative);var lct=ab instanceof AST_LoopControl?compressor.loopcontrol_target(ab.label):null;if(ab&&(ab instanceof AST_Return&&!ab.value&&in_lambda||ab instanceof AST_Continue&&self===loop_body(lct)||ab instanceof AST_Break&&lct instanceof AST_BlockStatement&&self===lct)){if(ab.label){remove(ab.label.thedef.references,ab)}CHANGED=true;stat=stat.clone();stat.body=make_node(AST_BlockStatement,stat.body,{body:as_statement_array(stat.body).concat(ret)});stat.alternative=make_node(AST_BlockStatement,stat.alternative,{body:as_statement_array(stat.alternative).slice(0,-1)});ret=[stat.transform(compressor)];continue loop}ret.unshift(stat);break;default:ret.unshift(stat);break}}return ret;function has_multiple_if_returns(statements){var n=0;for(var i=statements.length;--i>=0;){var stat=statements[i];if(stat instanceof AST_If&&stat.body instanceof AST_Return){if(++n>1)return true}}return false}}function eliminate_dead_code(statements,compressor){var has_quit=false;var orig=statements.length;var self=compressor.self();statements=statements.reduce(function(a,stat){if(has_quit){extract_declarations_from_unreachable_code(compressor,stat,a)}else{if(stat instanceof AST_LoopControl){var lct=compressor.loopcontrol_target(stat.label);if(stat instanceof AST_Break&&lct instanceof AST_BlockStatement&&loop_body(lct)===self||stat instanceof AST_Continue&&loop_body(lct)===self){if(stat.label){remove(stat.label.thedef.references,stat)}}else{a.push(stat)}}else{a.push(stat)}if(aborts(stat))has_quit=true}return a},[]);CHANGED=statements.length!=orig;return statements}function sequencesize(statements,compressor){if(statements.length<2)return statements;var seq=[],ret=[];function push_seq(){seq=AST_Seq.from_array(seq);if(seq)ret.push(make_node(AST_SimpleStatement,seq,{body:seq}));seq=[]}statements.forEach(function(stat){if(stat instanceof AST_SimpleStatement){if(seqLength(seq)>=compressor.sequences_limit){push_seq()}seq.push(seq.length>0?statement_to_expression(stat):stat.body)}else{push_seq();ret.push(stat)}});push_seq();ret=sequencesize_2(ret,compressor);CHANGED=ret.length!=statements.length;return ret}function seqLength(a){for(var len=0,i=0;i=0;--i){var stat=statements[i];if(stat instanceof AST_Defun){statements.splice(i,1);funs.unshift(stat)}}return funs}function extract_declarations_from_unreachable_code(compressor,stat,target){if(!(stat instanceof AST_Defun)){compressor.warn("Dropping unreachable code [{file}:{line},{col}]",stat.start)}stat.walk(new TreeWalker(function(node){if(node instanceof AST_Definitions){compressor.warn("Declarations in unreachable code! [{file}:{line},{col}]",node.start);node.remove_initializers();target.push(node);return true}if(node instanceof AST_Defun){target.push(node);return true}if(node instanceof AST_Scope){return true}}))}function is_undefined(node){return node instanceof AST_Undefined||node.is_undefined}(function(def){var unary_bool=["!","delete"];var binary_bool=["in","instanceof","==","!=","===","!==","<","<=",">=",">"];def(AST_Node,return_false);def(AST_UnaryPrefix,function(){return member(this.operator,unary_bool)});def(AST_Binary,function(){return member(this.operator,binary_bool)||(this.operator=="&&"||this.operator=="||")&&this.left.is_boolean()&&this.right.is_boolean()});def(AST_Conditional,function(){return this.consequent.is_boolean()&&this.alternative.is_boolean()});def(AST_Assign,function(){return this.operator=="="&&this.right.is_boolean()});def(AST_Seq,function(){return this.cdr.is_boolean()});def(AST_True,return_true);def(AST_False,return_true)})(function(node,func){node.DEFMETHOD("is_boolean",func)});(function(def){def(AST_Node,return_false);def(AST_Number,return_true);var unary=makePredicate("+ - ~ ++ --");def(AST_Unary,function(){return unary(this.operator)});var binary=makePredicate("- * / % & | ^ << >> >>>");def(AST_Binary,function(compressor){return binary(this.operator)||this.operator=="+"&&this.left.is_number(compressor)&&this.right.is_number(compressor)});var assign=makePredicate("-= *= /= %= &= |= ^= <<= >>= >>>=");def(AST_Assign,function(compressor){return assign(this.operator)||this.right.is_number(compressor)});def(AST_Seq,function(compressor){return this.cdr.is_number(compressor)});def(AST_Conditional,function(compressor){return this.consequent.is_number(compressor)&&this.alternative.is_number(compressor)})})(function(node,func){node.DEFMETHOD("is_number",func)});(function(def){def(AST_Node,return_false);def(AST_String,return_true);def(AST_UnaryPrefix,function(){return this.operator=="typeof"});def(AST_Binary,function(compressor){return this.operator=="+"&&(this.left.is_string(compressor)||this.right.is_string(compressor))});def(AST_Assign,function(compressor){return(this.operator=="="||this.operator=="+=")&&this.right.is_string(compressor)});def(AST_Seq,function(compressor){return this.cdr.is_string(compressor)});def(AST_Conditional,function(compressor){return this.consequent.is_string(compressor)&&this.alternative.is_string(compressor)})})(function(node,func){node.DEFMETHOD("is_string",func)});function isLHS(node,parent){return parent instanceof AST_Unary&&(parent.operator=="++"||parent.operator=="--")||parent instanceof AST_Assign&&parent.left===node}(function(def){AST_Node.DEFMETHOD("resolve_defines",function(compressor){if(!compressor.option("global_defs"))return;var def=this._find_defs(compressor,"");if(def){var node,parent=this,level=0;do{node=parent;parent=compressor.parent(level++)}while(parent instanceof AST_PropAccess&&parent.expression===node);if(isLHS(node,parent)){compressor.warn("global_defs "+this.print_to_string()+" redefined [{file}:{line},{col}]",this.start)}else{return def}}});function to_node(compressor,value,orig){if(value instanceof AST_Node)return make_node(value.CTOR,orig,value);if(Array.isArray(value))return make_node(AST_Array,orig,{elements:value.map(function(value){return to_node(compressor,value,orig)})});if(value&&typeof value=="object"){var props=[];for(var key in value){props.push(make_node(AST_ObjectKeyVal,orig,{key:key,value:to_node(compressor,value[key],orig)}))}return make_node(AST_Object,orig,{properties:props})}return make_node_from_constant(compressor,value,orig)}def(AST_Node,noop);def(AST_Dot,function(compressor,suffix){return this.expression._find_defs(compressor,suffix+"."+this.property)});def(AST_SymbolRef,function(compressor,suffix){if(!this.global())return;var name;var defines=compressor.option("global_defs");if(defines&&HOP(defines,name=this.name+suffix)){var node=to_node(compressor,defines[name],this);var top=compressor.find_parent(AST_Toplevel);node.walk(new TreeWalker(function(node){if(node instanceof AST_SymbolRef){node.scope=top;node.thedef=top.def_global(node)}}));return node}})})(function(node,func){node.DEFMETHOD("_find_defs",func)});function best_of(ast1,ast2){return ast1.print_to_string().length>ast2.print_to_string().length?ast2:ast1}function best_of_statement(ast1,ast2){return best_of(make_node(AST_SimpleStatement,ast1,{body:ast1}),make_node(AST_SimpleStatement,ast2,{body:ast2})).body}(function(def){AST_Node.DEFMETHOD("evaluate",function(compressor){if(!compressor.option("evaluate"))return[this];var val;try{val=this._eval(compressor)}catch(ex){if(ex!==def)throw ex;return[this]}var node;try{node=make_node_from_constant(compressor,val,this)}catch(ex){return[this]}return[best_of(node,this),val]});var unaryPrefix=makePredicate("! ~ - +");AST_Node.DEFMETHOD("is_constant",function(){if(this instanceof AST_Constant){return!(this instanceof AST_RegExp)}else{return this instanceof AST_UnaryPrefix&&this.expression instanceof AST_Constant&&unaryPrefix(this.operator)}});AST_Node.DEFMETHOD("constant_value",function(compressor){if(this instanceof AST_Constant&&!(this instanceof AST_RegExp)){return this.value}if(this instanceof AST_UnaryPrefix&&this.expression instanceof AST_Constant)switch(this.operator){case"!":return!this.expression.value;case"~":return~this.expression.value;case"-":return-this.expression.value;case"+":return+this.expression.value;default:throw new Error(string_template("Cannot evaluate unary expression {value}",{value:this.print_to_string()}))}var result=this.evaluate(compressor);if(result.length>1){return result[1]}throw new Error(string_template("Cannot evaluate constant [{file}:{line},{col}]",this.start))});def(AST_Statement,function(){throw new Error(string_template("Cannot evaluate a statement [{file}:{line},{col}]",this.start))});def(AST_Lambda,function(){throw def});function ev(node,compressor){if(!compressor)throw new Error("Compressor must be passed");return node._eval(compressor)}def(AST_Node,function(){throw def});def(AST_Constant,function(){return this.getValue()});def(AST_Array,function(compressor){if(compressor.option("unsafe")){return this.elements.map(function(element){return ev(element,compressor)})}throw def});def(AST_Object,function(compressor){if(compressor.option("unsafe")){var val={};for(var i=0,len=this.properties.length;i>":result=ev(left,c)>>ev(right,c);break;case">>>":result=ev(left,c)>>>ev(right,c);break;case"==":result=ev(left,c)==ev(right,c);break;case"===":result=ev(left,c)===ev(right,c);break;case"!=":result=ev(left,c)!=ev(right,c);break;case"!==":result=ev(left,c)!==ev(right,c);break;case"<":result=ev(left,c)":result=ev(left,c)>ev(right,c);break;case">=":result=ev(left,c)>=ev(right,c);break;default:throw def}if(isNaN(result)&&c.find_parent(AST_With)){throw def}return result});def(AST_Conditional,function(compressor){return ev(this.condition,compressor)?ev(this.consequent,compressor):ev(this.alternative,compressor)});def(AST_SymbolRef,function(compressor){if(this._evaluating)throw def;this._evaluating=true;try{var d=this.definition();if(compressor.option("reduce_vars")&&d.fixed){if(compressor.option("unsafe")){if(!HOP(d.fixed,"_evaluated")){d.fixed._evaluated=ev(d.fixed,compressor)}return d.fixed._evaluated}return ev(d.fixed,compressor)}}finally{this._evaluating=false}throw def});def(AST_PropAccess,function(compressor){if(compressor.option("unsafe")){var key=this.property;if(key instanceof AST_Node){key=ev(key,compressor)}var val=ev(this.expression,compressor);if(val&&HOP(val,key)){return val[key]}}throw def})})(function(node,func){node.DEFMETHOD("_eval",func)});(function(def){function basic_negation(exp){return make_node(AST_UnaryPrefix,exp,{operator:"!",expression:exp})}function best(orig,alt,first_in_statement){var negated=basic_negation(orig);if(first_in_statement){var stat=make_node(AST_SimpleStatement,alt,{body:alt});return best_of(negated,stat)===stat?alt:negated}return best_of(negated,alt)}def(AST_Node,function(){return basic_negation(this)});def(AST_Statement,function(){throw new Error("Cannot negate a statement")});def(AST_Function,function(){return basic_negation(this)});def(AST_UnaryPrefix,function(){if(this.operator=="!")return this.expression;return basic_negation(this)});def(AST_Seq,function(compressor){var self=this.clone() ;self.cdr=self.cdr.negate(compressor);return self});def(AST_Conditional,function(compressor,first_in_statement){var self=this.clone();self.consequent=self.consequent.negate(compressor);self.alternative=self.alternative.negate(compressor);return best(this,self,first_in_statement)});def(AST_Binary,function(compressor,first_in_statement){var self=this.clone(),op=this.operator;if(compressor.option("unsafe_comps")){switch(op){case"<=":self.operator=">";return self;case"<":self.operator=">=";return self;case">=":self.operator="<";return self;case">":self.operator="<=";return self}}switch(op){case"==":self.operator="!=";return self;case"!=":self.operator="==";return self;case"===":self.operator="!==";return self;case"!==":self.operator="===";return self;case"&&":self.operator="||";self.left=self.left.negate(compressor,first_in_statement);self.right=self.right.negate(compressor);return best(this,self,first_in_statement);case"||":self.operator="&&";self.left=self.left.negate(compressor,first_in_statement);self.right=self.right.negate(compressor);return best(this,self,first_in_statement)}return basic_negation(this)})})(function(node,func){node.DEFMETHOD("negate",function(compressor,first_in_statement){return func.call(this,compressor,first_in_statement)})});AST_Call.DEFMETHOD("has_pure_annotation",function(compressor){if(!compressor.option("side_effects"))return false;if(this.pure!==undefined)return this.pure;var pure=false;var comments,last_comment;if(this.start&&(comments=this.start.comments_before)&&comments.length&&/[@#]__PURE__/.test((last_comment=comments[comments.length-1]).value)){pure=last_comment}return this.pure=pure});(function(def){def(AST_Node,return_true);def(AST_EmptyStatement,return_false);def(AST_Constant,return_false);def(AST_This,return_false);def(AST_Call,function(compressor){if(!this.has_pure_annotation(compressor)&&compressor.pure_funcs(this))return true;for(var i=this.args.length;--i>=0;){if(this.args[i].has_side_effects(compressor))return true}return false});def(AST_Block,function(compressor){for(var i=this.body.length;--i>=0;){if(this.body[i].has_side_effects(compressor))return true}return false});def(AST_SimpleStatement,function(compressor){return this.body.has_side_effects(compressor)});def(AST_Defun,return_true);def(AST_Function,return_false);def(AST_Binary,function(compressor){return this.left.has_side_effects(compressor)||this.right.has_side_effects(compressor)});def(AST_Assign,return_true);def(AST_Conditional,function(compressor){return this.condition.has_side_effects(compressor)||this.consequent.has_side_effects(compressor)||this.alternative.has_side_effects(compressor)});def(AST_Unary,function(compressor){return this.operator=="delete"||this.operator=="++"||this.operator=="--"||this.expression.has_side_effects(compressor)});def(AST_SymbolRef,function(compressor){return this.global()&&this.undeclared()});def(AST_Object,function(compressor){for(var i=this.properties.length;--i>=0;)if(this.properties[i].has_side_effects(compressor))return true;return false});def(AST_ObjectProperty,function(compressor){return this.value.has_side_effects(compressor)});def(AST_Array,function(compressor){for(var i=this.elements.length;--i>=0;)if(this.elements[i].has_side_effects(compressor))return true;return false});def(AST_Dot,function(compressor){if(!compressor.option("pure_getters"))return true;return this.expression.has_side_effects(compressor)});def(AST_Sub,function(compressor){if(!compressor.option("pure_getters"))return true;return this.expression.has_side_effects(compressor)||this.property.has_side_effects(compressor)});def(AST_PropAccess,function(compressor){return!compressor.option("pure_getters")});def(AST_Seq,function(compressor){return this.car.has_side_effects(compressor)||this.cdr.has_side_effects(compressor)})})(function(node,func){node.DEFMETHOD("has_side_effects",func)});function aborts(thing){return thing&&thing.aborts()}(function(def){def(AST_Statement,function(){return null});def(AST_Jump,function(){return this});function block_aborts(){var n=this.body.length;return n>0&&aborts(this.body[n-1])}def(AST_BlockStatement,block_aborts);def(AST_SwitchBranch,block_aborts);def(AST_If,function(){return this.alternative&&aborts(this.body)&&aborts(this.alternative)&&this})})(function(node,func){node.DEFMETHOD("aborts",func)});OPT(AST_Directive,function(self,compressor){if(compressor.has_directive(self.value)==="up"){return make_node(AST_EmptyStatement,self)}return self});OPT(AST_Debugger,function(self,compressor){if(compressor.option("drop_debugger"))return make_node(AST_EmptyStatement,self);return self});OPT(AST_LabeledStatement,function(self,compressor){if(self.body instanceof AST_Break&&compressor.loopcontrol_target(self.body.label)===self.body){return make_node(AST_EmptyStatement,self)}return self.label.references.length==0?self.body:self});OPT(AST_Block,function(self,compressor){self.body=tighten_body(self.body,compressor);return self});OPT(AST_BlockStatement,function(self,compressor){self.body=tighten_body(self.body,compressor);switch(self.body.length){case 1:return self.body[0];case 0:return make_node(AST_EmptyStatement,self)}return self});AST_Scope.DEFMETHOD("drop_unused",function(compressor){var self=this;if(compressor.has_directive("use asm"))return self;var toplevel=compressor.option("toplevel");if(compressor.option("unused")&&(!(self instanceof AST_Toplevel)||toplevel)&&!self.uses_eval&&!self.uses_with){var assign_as_unused=!/keep_assign/.test(compressor.option("unused"));var drop_funcs=/funcs/.test(toplevel);var drop_vars=/vars/.test(toplevel);if(!(self instanceof AST_Toplevel)||toplevel==true){drop_funcs=drop_vars=true}var in_use=[];var in_use_ids=Object.create(null);if(self instanceof AST_Toplevel&&compressor.top_retain){self.variables.each(function(def){if(compressor.top_retain(def)&&!(def.id in in_use_ids)){in_use_ids[def.id]=true;in_use.push(def)}})}var initializations=new Dictionary;var scope=this;var tw=new TreeWalker(function(node,descend){if(node!==self){if(node instanceof AST_Defun){if(!drop_funcs&&scope===self){var node_def=node.name.definition();if(!(node_def.id in in_use_ids)){in_use_ids[node_def.id]=true;in_use.push(node_def)}}initializations.add(node.name.name,node);return true}if(node instanceof AST_Definitions&&scope===self){node.definitions.forEach(function(def){if(!drop_vars){var node_def=def.name.definition();if(!(node_def.id in in_use_ids)){in_use_ids[node_def.id]=true;in_use.push(node_def)}}if(def.value){initializations.add(def.name.name,def.value);if(def.value.has_side_effects(compressor)){def.value.walk(tw)}}});return true}if(assign_as_unused&&node instanceof AST_Assign&&node.operator=="="&&node.left instanceof AST_SymbolRef&&scope===self){node.right.walk(tw);return true}if(node instanceof AST_SymbolRef){var node_def=node.definition();if(!(node_def.id in in_use_ids)){in_use_ids[node_def.id]=true;in_use.push(node_def)}return true}if(node instanceof AST_Scope){var save_scope=scope;scope=node;descend();scope=save_scope;return true}}});self.walk(tw);for(var i=0;i=0;){var sym=a[i];if(!(sym.definition().id in in_use_ids)){a.pop();compressor.warn("Dropping unused function argument {name} [{file}:{line},{col}]",{name:sym.name,file:sym.start.file,line:sym.start.line,col:sym.start.col})}else break}}}if(drop_funcs&&node instanceof AST_Defun&&node!==self){if(!(node.name.definition().id in in_use_ids)){compressor.warn("Dropping unused function {name} [{file}:{line},{col}]",{name:node.name.name,file:node.name.start.file,line:node.name.start.line,col:node.name.start.col});return make_node(AST_EmptyStatement,node)}return node}if(drop_vars&&node instanceof AST_Definitions&&!(tt.parent()instanceof AST_ForIn)){var def=node.definitions.filter(function(def){if(def.name.definition().id in in_use_ids)return true;var w={name:def.name.name,file:def.name.start.file,line:def.name.start.line,col:def.name.start.col};if(def.value&&(def._unused_side_effects=def.value.drop_side_effect_free(compressor))){compressor.warn("Side effects in initialization of unused variable {name} [{file}:{line},{col}]",w);return true}compressor.warn("Dropping unused variable {name} [{file}:{line},{col}]",w);return false});def=mergeSort(def,function(a,b){if(!a.value&&b.value)return-1;if(!b.value&&a.value)return 1;return 0});var side_effects=[];for(var i=0;i0){side_effects.push(x.value);x.value=AST_Seq.from_array(side_effects);side_effects=[]}++i}}if(side_effects.length>0){side_effects=make_node(AST_BlockStatement,node,{body:[make_node(AST_SimpleStatement,node,{body:AST_Seq.from_array(side_effects)})]})}else{side_effects=null}if(def.length==0&&!side_effects){return make_node(AST_EmptyStatement,node)}if(def.length==0){return in_list?MAP.splice(side_effects.body):side_effects}node.definitions=def;if(side_effects){side_effects.body.unshift(node);return in_list?MAP.splice(side_effects.body):side_effects}return node}if(drop_vars&&assign_as_unused){var n=node;while(n instanceof AST_Assign&&n.operator=="="&&n.left instanceof AST_SymbolRef){var def=n.left.definition();if(def.id in in_use_ids||self.variables.get(def.name)!==def)break;n=n.right}if(n!==node)return n}if(node instanceof AST_For){descend(node,this);if(node.init instanceof AST_BlockStatement){var body=node.init.body.slice(0,-1);node.init=node.init.body.slice(-1)[0].body;body.push(node);return in_list?MAP.splice(body):make_node(AST_BlockStatement,node,{body:body})}}if(node instanceof AST_Scope&&node!==self)return node});self.transform(tt)}});AST_Scope.DEFMETHOD("hoist_declarations",function(compressor){var self=this;if(compressor.has_directive("use asm"))return self;var hoist_funs=compressor.option("hoist_funs");var hoist_vars=compressor.option("hoist_vars");if(hoist_funs||hoist_vars){var dirs=[];var hoisted=[];var vars=new Dictionary,vars_found=0,var_decl=0;self.walk(new TreeWalker(function(node){if(node instanceof AST_Scope&&node!==self)return true;if(node instanceof AST_Var){++var_decl;return true}}));hoist_vars=hoist_vars&&var_decl>1;var tt=new TreeTransformer(function before(node){if(node!==self){if(node instanceof AST_Directive){dirs.push(node);return make_node(AST_EmptyStatement,node)}if(node instanceof AST_Defun&&hoist_funs){hoisted.push(node);return make_node(AST_EmptyStatement,node)}if(node instanceof AST_Var&&hoist_vars){node.definitions.forEach(function(def){vars.set(def.name.name,def);++vars_found});var seq=node.to_assignments();var p=tt.parent();if(p instanceof AST_ForIn&&p.init===node){if(seq==null){var def=node.definitions[0].name;return make_node(AST_SymbolRef,def,def)}return seq}if(p instanceof AST_For&&p.init===node){return seq}if(!seq)return make_node(AST_EmptyStatement,node);return make_node(AST_SimpleStatement,node,{body:seq})}if(node instanceof AST_Scope)return node}});self=self.transform(tt);if(vars_found>0){var defs=[];vars.each(function(def,name){if(self instanceof AST_Lambda&&find_if(function(x){return x.name==def.name.name},self.argnames)){vars.del(name)}else{def=def.clone();def.value=null;defs.push(def);vars.set(name,def)}});if(defs.length>0){for(var i=0;i1){if(cond[1]){return make_node(AST_For,self,{body:self.body})}else if(self instanceof AST_While){if(compressor.option("dead_code")){var a=[];extract_declarations_from_unreachable_code(compressor,self.body,a);return make_node(AST_BlockStatement,self,{body:a})}}else{return self}}if(self instanceof AST_While){return make_node(AST_For,self,self).transform(compressor)}return self});function if_break_in_loop(self,compressor){function drop_it(rest){rest=as_statement_array(rest);if(self.body instanceof AST_BlockStatement){self.body=self.body.clone();self.body.body=rest.concat(self.body.body.slice(1));self.body=self.body.transform(compressor)}else{self.body=make_node(AST_BlockStatement,self.body,{body:rest}).transform(compressor)}if_break_in_loop(self,compressor)}var first=self.body instanceof AST_BlockStatement?self.body.body[0]:self.body;if(first instanceof AST_If){if(first.body instanceof AST_Break&&compressor.loopcontrol_target(first.body.label)===self){if(self.condition){self.condition=make_node(AST_Binary,self.condition,{left:self.condition,operator:"&&",right:first.condition.negate(compressor)})}else{self.condition=first.condition.negate(compressor)}drop_it(first.alternative)}else if(first.alternative instanceof AST_Break&&compressor.loopcontrol_target(first.alternative.label)===self){if(self.condition){self.condition=make_node(AST_Binary,self.condition,{left:self.condition,operator:"&&",right:first.condition})}else{self.condition=first.condition}drop_it(first.body)}}}OPT(AST_For,function(self,compressor){var cond=self.condition;if(cond){cond=cond.evaluate(compressor);self.condition=cond[0]}if(!compressor.option("loops"))return self;if(cond){if(cond.length>1&&!cond[1]){if(compressor.option("dead_code")){var a=[];if(self.init instanceof AST_Statement){a.push(self.init)}else if(self.init){a.push(make_node(AST_SimpleStatement,self.init,{body:self.init}))}extract_declarations_from_unreachable_code(compressor,self.body,a);return make_node(AST_BlockStatement,self,{body:a})}}}if_break_in_loop(self,compressor);return self});OPT(AST_If,function(self,compressor){if(is_empty(self.alternative))self.alternative=null;if(!compressor.option("conditionals"))return self;var cond=self.condition.evaluate(compressor);self.condition=cond[0];if(cond.length>1){if(cond[1]){compressor.warn("Condition always true [{file}:{line},{col}]",self.condition.start);if(compressor.option("dead_code")){var a=[];if(self.alternative){extract_declarations_from_unreachable_code(compressor,self.alternative,a)}a.push(self.body);return make_node(AST_BlockStatement,self,{body:a}).transform(compressor)}}else{compressor.warn("Condition always false [{file}:{line},{col}]",self.condition.start);if(compressor.option("dead_code")){var a=[];extract_declarations_from_unreachable_code(compressor,self.body,a);if(self.alternative)a.push(self.alternative);return make_node(AST_BlockStatement,self,{body:a}).transform(compressor)}}}var negated=self.condition.negate(compressor);var self_condition_length=self.condition.print_to_string().length;var negated_length=negated.print_to_string().length;var negated_is_best=negated_lengthexp.argnames.length){var end=exp.argnames.length;for(var i=end,len=self.args.length;i0){separator=self.args[0].evaluate(compressor);if(separator.length<2)break EXIT;separator=separator[1]}var elements=[];var consts=[];exp.expression.elements.forEach(function(el){el=el.evaluate(compressor);if(el.length>1){consts.push(el[1])}else{if(consts.length>0){elements.push(make_node(AST_String,self,{value:consts.join(separator)}));consts.length=0}elements.push(el[0])}});if(consts.length>0){elements.push(make_node(AST_String,self,{value:consts.join(separator)}))}if(elements.length==0)return make_node(AST_String,self,{value:""});if(elements.length==1){if(elements[0].is_string(compressor)){return elements[0]}return make_node(AST_Binary,elements[0],{operator:"+",left:make_node(AST_String,self,{value:""}),right:elements[0]})}if(separator==""){var first;if(elements[0].is_string(compressor)||elements[1].is_string(compressor)){first=elements.shift()}else{first=make_node(AST_String,self,{value:""})}return elements.reduce(function(prev,el){return make_node(AST_Binary,el,{operator:"+",left:prev,right:el})},first).transform(compressor)}var node=self.clone();node.expression=node.expression.clone();node.expression.expression=node.expression.expression.clone();node.expression.expression.elements=elements;return best_of(self,node)}}if(exp instanceof AST_Function){if(exp.body[0]instanceof AST_Return){var value=exp.body[0].value;if(!value||value.is_constant()){var args=self.args.concat(value||make_node(AST_Undefined,self));return AST_Seq.from_array(args).transform(compressor)}}if(compressor.option("side_effects")){if(!AST_Block.prototype.has_side_effects.call(exp,compressor)){var args=self.args.concat(make_node(AST_Undefined,self));return AST_Seq.from_array(args).transform(compressor)}}}if(compressor.option("drop_console")){if(exp instanceof AST_PropAccess){var name=exp.expression;while(name.expression){name=name.expression}if(name instanceof AST_SymbolRef&&name.name=="console"&&name.undeclared()){return make_node(AST_Undefined,self).transform(compressor)}}}if(compressor.option("negate_iife")&&compressor.parent()instanceof AST_SimpleStatement&&is_iife_call(self)){return self.negate(compressor,true)}return self});OPT(AST_New,function(self,compressor){if(compressor.option("unsafe")){var exp=self.expression;if(exp instanceof AST_SymbolRef&&exp.undeclared()){switch(exp.name){case"Object":case"RegExp": case"Function":case"Error":case"Array":return make_node(AST_Call,self,self).transform(compressor)}}}return self});OPT(AST_Seq,function(self,compressor){if(!compressor.option("side_effects"))return self;self.car=self.car.drop_side_effect_free(compressor,first_in_statement(compressor));if(!self.car)return maintain_this_binding(compressor.parent(),self,self.cdr);if(compressor.option("cascade")){var left;if(self.car instanceof AST_Assign&&!self.car.left.has_side_effects(compressor)){left=self.car.left}else if(self.car instanceof AST_Unary&&(self.car.operator=="++"||self.car.operator=="--")){left=self.car.expression}if(left){var parent,field;var cdr=self.cdr;while(true){if(cdr.equivalent_to(left)){var car=self.car instanceof AST_UnaryPostfix?make_node(AST_UnaryPrefix,self.car,{operator:self.car.operator,expression:left}):self.car;if(parent){parent[field]=car;return self.cdr}return car}if(cdr instanceof AST_Binary&&!(cdr instanceof AST_Assign)){field=cdr.left.is_constant()?"right":"left"}else if(cdr instanceof AST_Call||cdr instanceof AST_Unary&&cdr.operator!="++"&&cdr.operator!="--"){field="expression"}else break;parent=cdr;cdr=cdr[field]}}}if(is_undefined(self.cdr)){return make_node(AST_UnaryPrefix,self,{operator:"void",expression:self.car})}return self});AST_Unary.DEFMETHOD("lift_sequences",function(compressor){if(compressor.option("sequences")){if(this.expression instanceof AST_Seq){var seq=this.expression;var x=seq.to_array();this.expression=x.pop();x.push(this);seq=AST_Seq.from_array(x).transform(compressor);return seq}}return this});OPT(AST_UnaryPostfix,function(self,compressor){return self.lift_sequences(compressor)});OPT(AST_UnaryPrefix,function(self,compressor){var seq=self.lift_sequences(compressor);if(seq!==self){return seq}var e=self.expression;if(compressor.option("side_effects")&&self.operator=="void"){e=e.drop_side_effect_free(compressor);if(e){self.expression=e;return self}else{return make_node(AST_Undefined,self).transform(compressor)}}if(compressor.option("booleans")&&compressor.in_boolean_context()){switch(self.operator){case"!":if(e instanceof AST_UnaryPrefix&&e.operator=="!"){return e.expression}if(e instanceof AST_Binary){var statement=first_in_statement(compressor);self=(statement?best_of_statement:best_of)(self,e.negate(compressor,statement))}break;case"typeof":compressor.warn("Boolean expression always true [{file}:{line},{col}]",self.start);return make_node(AST_Seq,self,{car:e,cdr:make_node(AST_True,self)}).optimize(compressor)}}return self.evaluate(compressor)[0]});function has_side_effects_or_prop_access(node,compressor){var save_pure_getters=compressor.option("pure_getters");compressor.options.pure_getters=false;var ret=node.has_side_effects(compressor);compressor.options.pure_getters=save_pure_getters;return ret}AST_Binary.DEFMETHOD("lift_sequences",function(compressor){if(compressor.option("sequences")){if(this.left instanceof AST_Seq){var seq=this.left;var x=seq.to_array();this.left=x.pop();x.push(this);seq=AST_Seq.from_array(x).transform(compressor);return seq}if(this.right instanceof AST_Seq&&this instanceof AST_Assign&&!has_side_effects_or_prop_access(this.left,compressor)){var seq=this.right;var x=seq.to_array();this.right=x.pop();x.push(this);seq=AST_Seq.from_array(x).transform(compressor);return seq}}return this});var commutativeOperators=makePredicate("== === != !== * & | ^");OPT(AST_Binary,function(self,compressor){var lhs=self.left.evaluate(compressor);var rhs=self.right.evaluate(compressor);if(lhs.length>1&&lhs[0].is_constant()!==self.left.is_constant()||rhs.length>1&&rhs[0].is_constant()!==self.right.is_constant()){return make_node(AST_Binary,self,{operator:self.operator,left:lhs[0],right:rhs[0]}).optimize(compressor)}function reversible(){return self.left instanceof AST_Constant||self.right instanceof AST_Constant||!self.left.has_side_effects(compressor)&&!self.right.has_side_effects(compressor)}function reverse(op){if(reversible()){if(op)self.operator=op;var tmp=self.left;self.left=self.right;self.right=tmp}}if(commutativeOperators(self.operator)){if(self.right instanceof AST_Constant&&!(self.left instanceof AST_Constant)){if(!(self.left instanceof AST_Binary&&PRECEDENCE[self.left.operator]>=PRECEDENCE[self.operator])){reverse()}}if(/^[!=]==?$/.test(self.operator)){if(self.left instanceof AST_SymbolRef&&self.right instanceof AST_Conditional){if(self.right.consequent instanceof AST_SymbolRef&&self.right.consequent.definition()===self.left.definition()){if(/^==/.test(self.operator))return self.right.condition;if(/^!=/.test(self.operator))return self.right.condition.negate(compressor)}if(self.right.alternative instanceof AST_SymbolRef&&self.right.alternative.definition()===self.left.definition()){if(/^==/.test(self.operator))return self.right.condition.negate(compressor);if(/^!=/.test(self.operator))return self.right.condition}}if(self.right instanceof AST_SymbolRef&&self.left instanceof AST_Conditional){if(self.left.consequent instanceof AST_SymbolRef&&self.left.consequent.definition()===self.right.definition()){if(/^==/.test(self.operator))return self.left.condition;if(/^!=/.test(self.operator))return self.left.condition.negate(compressor)}if(self.left.alternative instanceof AST_SymbolRef&&self.left.alternative.definition()===self.right.definition()){if(/^==/.test(self.operator))return self.left.condition.negate(compressor);if(/^!=/.test(self.operator))return self.left.condition}}}}self=self.lift_sequences(compressor);if(compressor.option("comparisons"))switch(self.operator){case"===":case"!==":if(self.left.is_string(compressor)&&self.right.is_string(compressor)||self.left.is_number(compressor)&&self.right.is_number(compressor)||self.left.is_boolean()&&self.right.is_boolean()){self.operator=self.operator.substr(0,2)}case"==":case"!=":if(self.left instanceof AST_String&&self.left.value=="undefined"&&self.right instanceof AST_UnaryPrefix&&self.right.operator=="typeof"){var expr=self.right.expression;if(expr instanceof AST_SymbolRef?!expr.undeclared():!(expr instanceof AST_PropAccess)||compressor.option("screw_ie8")){self.right=expr;self.left=make_node(AST_Undefined,self.left).optimize(compressor);if(self.operator.length==2)self.operator+="="}}break}if(compressor.option("booleans")&&compressor.in_boolean_context())switch(self.operator){case"&&":var ll=self.left.evaluate(compressor);var rr=self.right.evaluate(compressor);if(ll.length>1&&!ll[1]||rr.length>1&&!rr[1]){compressor.warn("Boolean && always false [{file}:{line},{col}]",self.start);return make_node(AST_Seq,self,{car:self.left,cdr:make_node(AST_False,self)}).optimize(compressor)}if(ll.length>1&&ll[1]){return rr[0]}if(rr.length>1&&rr[1]){return ll[0]}break;case"||":var ll=self.left.evaluate(compressor);var rr=self.right.evaluate(compressor);if(ll.length>1&&ll[1]||rr.length>1&&rr[1]){compressor.warn("Boolean || always true [{file}:{line},{col}]",self.start);return make_node(AST_Seq,self,{car:self.left,cdr:make_node(AST_True,self)}).optimize(compressor)}if(ll.length>1&&!ll[1]){return rr[0]}if(rr.length>1&&!rr[1]){return ll[0]}break;case"+":var ll=self.left.evaluate(compressor);var rr=self.right.evaluate(compressor);if(ll.length>1&&ll[0]instanceof AST_String&&ll[1]){compressor.warn("+ in boolean context always true [{file}:{line},{col}]",self.start);return make_node(AST_Seq,self,{car:self.right,cdr:make_node(AST_True,self)}).optimize(compressor)}if(rr.length>1&&rr[0]instanceof AST_String&&rr[1]){compressor.warn("+ in boolean context always true [{file}:{line},{col}]",self.start);return make_node(AST_Seq,self,{car:self.left,cdr:make_node(AST_True,self)}).optimize(compressor)}break}if(compressor.option("comparisons")&&self.is_boolean()){if(!(compressor.parent()instanceof AST_Binary)||compressor.parent()instanceof AST_Assign){var statement=first_in_statement(compressor);var negated=make_node(AST_UnaryPrefix,self,{operator:"!",expression:self.negate(compressor,statement)});self=(statement?best_of_statement:best_of)(self,negated)}if(compressor.option("unsafe_comps")){switch(self.operator){case"<":reverse(">");break;case"<=":reverse(">=");break}}}if(self.operator=="+"){if(self.right instanceof AST_String&&self.right.getValue()==""&&self.left.is_string(compressor)){return self.left}if(self.left instanceof AST_String&&self.left.getValue()==""&&self.right.is_string(compressor)){return self.right}if(self.left instanceof AST_Binary&&self.left.operator=="+"&&self.left.left instanceof AST_String&&self.left.left.getValue()==""&&self.right.is_string(compressor)){self.left=self.left.right;return self.transform(compressor)}}if(compressor.option("evaluate")){switch(self.operator){case"&&":if(self.left.is_constant()){if(self.left.constant_value(compressor)){compressor.warn("Condition left of && always true [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.right)}else{compressor.warn("Condition left of && always false [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.left)}}break;case"||":if(self.left.is_constant()){if(self.left.constant_value(compressor)){compressor.warn("Condition left of || always true [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.left)}else{compressor.warn("Condition left of || always false [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.right)}}break}var associative=true;switch(self.operator){case"+":if(self.left instanceof AST_Constant&&self.right instanceof AST_Binary&&self.right.operator=="+"&&self.right.left instanceof AST_Constant&&self.right.is_string(compressor)){self=make_node(AST_Binary,self,{operator:"+",left:make_node(AST_String,self.left,{value:""+self.left.getValue()+self.right.left.getValue(),start:self.left.start,end:self.right.left.end}),right:self.right.right})}if(self.right instanceof AST_Constant&&self.left instanceof AST_Binary&&self.left.operator=="+"&&self.left.right instanceof AST_Constant&&self.left.is_string(compressor)){self=make_node(AST_Binary,self,{operator:"+",left:self.left.left,right:make_node(AST_String,self.right,{value:""+self.left.right.getValue()+self.right.getValue(),start:self.left.right.start,end:self.right.end})})}if(self.left instanceof AST_Binary&&self.left.operator=="+"&&self.left.is_string(compressor)&&self.left.right instanceof AST_Constant&&self.right instanceof AST_Binary&&self.right.operator=="+"&&self.right.left instanceof AST_Constant&&self.right.is_string(compressor)){self=make_node(AST_Binary,self,{operator:"+",left:make_node(AST_Binary,self.left,{operator:"+",left:self.left.left,right:make_node(AST_String,self.left.right,{value:""+self.left.right.getValue()+self.right.left.getValue(),start:self.left.right.start,end:self.right.left.end})}),right:self.right.right})}if(self.right instanceof AST_UnaryPrefix&&self.right.operator=="-"&&self.left.is_number(compressor)){self=make_node(AST_Binary,self,{operator:"-",left:self.left,right:self.right.expression})}if(self.left instanceof AST_UnaryPrefix&&self.left.operator=="-"&&reversible()&&self.right.is_number(compressor)){self=make_node(AST_Binary,self,{operator:"-",left:self.right,right:self.left.expression})}case"*":associative=compressor.option("unsafe_math");case"&":case"|":case"^":if(self.left.is_number(compressor)&&self.right.is_number(compressor)&&reversible()&&!(self.left instanceof AST_Binary&&self.left.operator!=self.operator&&PRECEDENCE[self.left.operator]>=PRECEDENCE[self.operator])){var reversed=make_node(AST_Binary,self,{operator:self.operator,left:self.right,right:self.left});if(self.right instanceof AST_Constant&&!(self.left instanceof AST_Constant)){self=best_of(reversed,self)}else{self=best_of(self,reversed)}}if(associative&&self.is_number(compressor)){if(self.right instanceof AST_Binary&&self.right.operator==self.operator){self=make_node(AST_Binary,self,{operator:self.operator,left:make_node(AST_Binary,self.left,{operator:self.operator,left:self.left,right:self.right.left,start:self.left.start,end:self.right.left.end}),right:self.right.right})}if(self.right instanceof AST_Constant&&self.left instanceof AST_Binary&&self.left.operator==self.operator){if(self.left.left instanceof AST_Constant){self=make_node(AST_Binary,self,{operator:self.operator,left:make_node(AST_Binary,self.left,{operator:self.operator,left:self.left.left,right:self.right,start:self.left.left.start,end:self.right.end}),right:self.left.right})}else if(self.left.right instanceof AST_Constant){self=make_node(AST_Binary,self,{operator:self.operator,left:make_node(AST_Binary,self.left,{operator:self.operator,left:self.left.right,right:self.right,start:self.left.right.start,end:self.right.end}),right:self.left.left})}}if(self.left instanceof AST_Binary&&self.left.operator==self.operator&&self.left.right instanceof AST_Constant&&self.right instanceof AST_Binary&&self.right.operator==self.operator&&self.right.left instanceof AST_Constant){self=make_node(AST_Binary,self,{operator:self.operator,left:make_node(AST_Binary,self.left,{operator:self.operator,left:make_node(AST_Binary,self.left.left,{operator:self.operator,left:self.left.right,right:self.right.left,start:self.left.right.start,end:self.right.left.end}),right:self.left.left}),right:self.right.right})}}}}if(self.right instanceof AST_Binary&&self.right.operator==self.operator&&(self.operator=="&&"||self.operator=="||"||self.operator=="+"&&(self.right.left.is_string(compressor)||self.left.is_string(compressor)&&self.right.right.is_string(compressor)))){self.left=make_node(AST_Binary,self.left,{operator:self.operator,left:self.left,right:self.right.left});self.right=self.right.right;return self.transform(compressor)}return self.evaluate(compressor)[0]});OPT(AST_SymbolRef,function(self,compressor){var def=self.resolve_defines(compressor);if(def){return def}if(compressor.option("screw_ie8")&&self.undeclared()&&!isLHS(self,compressor.parent())&&(!self.scope.uses_with||!compressor.find_parent(AST_With))){switch(self.name){case"undefined":return make_node(AST_Undefined,self).transform(compressor);case"NaN":return make_node(AST_NaN,self).transform(compressor);case"Infinity":return make_node(AST_Infinity,self).transform(compressor)}}if(compressor.option("evaluate")&&compressor.option("reduce_vars")){var d=self.definition();if(d.fixed){if(d.should_replace===undefined){var init=d.fixed.evaluate(compressor);if(init.length>1){var value=init[0].print_to_string().length;var name=d.name.length;var freq=d.references.length;var overhead=d.global||!freq?0:(name+2+value)/freq;d.should_replace=value<=name+overhead?init[0]:false}else{d.should_replace=false}}if(d.should_replace){return d.should_replace}}}return self});OPT(AST_Infinity,function(self,compressor){return make_node(AST_Binary,self,{operator:"/",left:make_node(AST_Number,self,{value:1}),right:make_node(AST_Number,self,{value:0})})});OPT(AST_Undefined,function(self,compressor){if(compressor.option("unsafe")){var scope=compressor.find_parent(AST_Scope);var undef=scope.find_variable("undefined");if(undef){var ref=make_node(AST_SymbolRef,self,{name:"undefined",scope:scope,thedef:undef});ref.is_undefined=true;return ref}}return self});var ASSIGN_OPS=["+","-","/","*","%",">>","<<",">>>","|","^","&"];var ASSIGN_OPS_COMMUTATIVE=["*","|","^","&"];OPT(AST_Assign,function(self,compressor){self=self.lift_sequences(compressor);if(self.operator=="="&&self.left instanceof AST_SymbolRef&&self.right instanceof AST_Binary){if(self.right.left instanceof AST_SymbolRef&&self.right.left.name==self.left.name&&member(self.right.operator,ASSIGN_OPS)){self.operator=self.right.operator+"=";self.right=self.right.right}else if(self.right.right instanceof AST_SymbolRef&&self.right.right.name==self.left.name&&member(self.right.operator,ASSIGN_OPS_COMMUTATIVE)&&!self.right.left.has_side_effects(compressor)){self.operator=self.right.operator+"=";self.right=self.right.left}}return self});OPT(AST_Conditional,function(self,compressor){if(!compressor.option("conditionals"))return self;if(self.condition instanceof AST_Seq){var car=self.condition.car;self.condition=self.condition.cdr;return AST_Seq.cons(car,self)}var cond=self.condition.evaluate(compressor);if(cond.length>1){if(cond[1]){compressor.warn("Condition always true [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.consequent)}else{compressor.warn("Condition always false [{file}:{line},{col}]",self.start);return maintain_this_binding(compressor.parent(),self,self.alternative)}}var statement=first_in_statement(compressor);var negated=cond[0].negate(compressor,statement);if((statement?best_of_statement:best_of)(cond[0],negated)===negated){self=make_node(AST_Conditional,self,{condition:negated,consequent:self.alternative,alternative:self.consequent})}var consequent=self.consequent;var alternative=self.alternative;if(consequent instanceof AST_Assign&&alternative instanceof AST_Assign&&consequent.operator==alternative.operator&&consequent.left.equivalent_to(alternative.left)&&(!consequent.left.has_side_effects(compressor)||!self.condition.has_side_effects(compressor))){return make_node(AST_Assign,self,{operator:consequent.operator,left:consequent.left,right:make_node(AST_Conditional,self,{condition:self.condition,consequent:consequent.right,alternative:alternative.right})})}if(consequent instanceof AST_Call&&alternative.TYPE===consequent.TYPE&&consequent.args.length==1&&alternative.args.length==1&&consequent.expression.equivalent_to(alternative.expression)&&!consequent.expression.has_side_effects(compressor)){consequent.args[0]=make_node(AST_Conditional,self,{condition:self.condition,consequent:consequent.args[0],alternative:alternative.args[0]});return consequent}if(consequent instanceof AST_Conditional&&consequent.alternative.equivalent_to(alternative)){return make_node(AST_Conditional,self,{condition:make_node(AST_Binary,self,{left:self.condition,operator:"&&",right:consequent.condition}),consequent:consequent.consequent,alternative:alternative})}if(consequent.equivalent_to(alternative)){return make_node(AST_Seq,self,{car:self.condition,cdr:consequent}).optimize(compressor)}if(is_true(self.consequent)){if(is_false(self.alternative)){return booleanize(self.condition)}return make_node(AST_Binary,self,{operator:"||",left:booleanize(self.condition),right:self.alternative})}if(is_false(self.consequent)){if(is_true(self.alternative)){return booleanize(self.condition.negate(compressor))}return make_node(AST_Binary,self,{operator:"&&",left:booleanize(self.condition.negate(compressor)),right:self.alternative})}if(is_true(self.alternative)){return make_node(AST_Binary,self,{operator:"||",left:booleanize(self.condition.negate(compressor)),right:self.consequent})}if(is_false(self.alternative)){return make_node(AST_Binary,self,{operator:"&&",left:booleanize(self.condition),right:self.consequent})}return self;function booleanize(node){if(node.is_boolean())return node;return make_node(AST_UnaryPrefix,node,{operator:"!",expression:node.negate(compressor)})}function is_true(node){return node instanceof AST_True||node instanceof AST_UnaryPrefix&&node.operator=="!"&&node.expression instanceof AST_Constant&&!node.expression.value}function is_false(node){return node instanceof AST_False||node instanceof AST_UnaryPrefix&&node.operator=="!"&&node.expression instanceof AST_Constant&&!!node.expression.value}});OPT(AST_Boolean,function(self,compressor){if(compressor.option("booleans")){var p=compressor.parent();if(p instanceof AST_Binary&&(p.operator=="=="||p.operator=="!=")){compressor.warn("Non-strict equality against boolean: {operator} {value} [{file}:{line},{col}]",{operator:p.operator,value:self.value,file:p.start.file,line:p.start.line,col:p.start.col});return make_node(AST_Number,self,{value:+self.value})}return make_node(AST_UnaryPrefix,self,{operator:"!",expression:make_node(AST_Number,self,{value:1-self.value})})}return self});OPT(AST_Sub,function(self,compressor){var prop=self.property;if(prop instanceof AST_String&&compressor.option("properties")){prop=prop.getValue();if(RESERVED_WORDS(prop)?compressor.option("screw_ie8"):is_identifier_string(prop)){return make_node(AST_Dot,self,{expression:self.expression,property:prop}).optimize(compressor)}var v=parseFloat(prop);if(!isNaN(v)&&v.toString()==prop){self.property=make_node(AST_Number,self.property,{value:v})}}return self.evaluate(compressor)[0]});OPT(AST_Dot,function(self,compressor){var def=self.resolve_defines(compressor);if(def){return def}var prop=self.property;if(RESERVED_WORDS(prop)&&!compressor.option("screw_ie8")){return make_node(AST_Sub,self,{expression:self.expression,property:make_node(AST_String,self,{value:prop})}).optimize(compressor)}if(compressor.option("unsafe_proto")&&self.expression instanceof AST_Dot&&self.expression.property=="prototype"){var exp=self.expression.expression;if(exp instanceof AST_SymbolRef&&exp.undeclared())switch(exp.name){case"Array":self.expression=make_node(AST_Array,self.expression,{elements:[]});break;case"Object":self.expression=make_node(AST_Object,self.expression,{properties:[]});break;case"String":self.expression=make_node(AST_String,self.expression,{value:""});break}}return self.evaluate(compressor)[0]});function literals_in_boolean_context(self,compressor){if(compressor.option("booleans")&&compressor.in_boolean_context()){var best=first_in_statement(compressor)?best_of_statement:best_of;return best(self,make_node(AST_Seq,self,{car:self,cdr:make_node(AST_True,self)}).optimize(compressor))}return self}OPT(AST_Array,literals_in_boolean_context);OPT(AST_Object,literals_in_boolean_context);OPT(AST_RegExp,literals_in_boolean_context);OPT(AST_Return,function(self,compressor){if(self.value&&is_undefined(self.value)){self.value=null}return self});OPT(AST_VarDef,function(self,compressor){var defines=compressor.option("global_defs");if(defines&&HOP(defines,self.name.name)){compressor.warn("global_defs "+self.name.name+" redefined [{file}:{line},{col}]",self.start)}return self})})();/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function SourceMap(options){options=defaults(options,{file:null,root:null,orig:null,orig_line_diff:0,dest_line_diff:0});var generator=new MOZ_SourceMap.SourceMapGenerator({file:options.file,sourceRoot:options.root});var orig_map=options.orig&&new MOZ_SourceMap.SourceMapConsumer(options.orig);if(orig_map&&Array.isArray(options.orig.sources)){orig_map._sources.toArray().forEach(function(source){var sourceContent=orig_map.sourceContentFor(source,true);if(sourceContent){generator.setSourceContent(source,sourceContent)}})}function add(source,gen_line,gen_col,orig_line,orig_col,name){if(orig_map){var info=orig_map.originalPositionFor({line:orig_line,column:orig_col});if(info.source===null){return}source=info.source;orig_line=info.line;orig_col=info.column;name=info.name||name}generator.addMapping({generated:{line:gen_line+options.dest_line_diff,column:gen_col},original:{line:orig_line+options.orig_line_diff,column:orig_col},source:source,name:name})}return{add:add,get:function(){return generator},toString:function(){return JSON.stringify(generator.toJSON())}}}/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";(function(){var normalize_directives=function(body){var in_directive=true;for(var i=0;i1||M.guardedHandlers&&M.guardedHandlers.length){throw new Error("Multiple catch clauses are not supported.")}return new AST_Try({start:my_start_token(M),end:my_end_token(M),body:from_moz(M.block).body,bcatch:from_moz(handlers[0]),bfinally:M.finalizer?new AST_Finally(from_moz(M.finalizer)):null})},Property:function(M){var key=M.key;var name=key.type=="Identifier"?key.name:key.value;var args={start:my_start_token(key),end:my_end_token(M.value),key:name,value:from_moz(M.value)};switch(M.kind){case"init":return new AST_ObjectKeyVal(args);case"set":args.value.name=from_moz(key);return new AST_ObjectSetter(args);case"get":args.value.name=from_moz(key);return new AST_ObjectGetter(args)}},ArrayExpression:function(M){return new AST_Array({start:my_start_token(M),end:my_end_token(M),elements:M.elements.map(function(elem){return elem===null?new AST_Hole:from_moz(elem)})})},ObjectExpression:function(M){return new AST_Object({start:my_start_token(M),end:my_end_token(M),properties:M.properties.map(function(prop){prop.type="Property";return from_moz(prop)})})},SequenceExpression:function(M){return AST_Seq.from_array(M.expressions.map(from_moz))},MemberExpression:function(M){return new(M.computed?AST_Sub:AST_Dot)({start:my_start_token(M),end:my_end_token(M),property:M.computed?from_moz(M.property):M.property.name,expression:from_moz(M.object)})},SwitchCase:function(M){return new(M.test?AST_Case:AST_Default)({start:my_start_token(M),end:my_end_token(M),expression:from_moz(M.test),body:M.consequent.map(from_moz)})},VariableDeclaration:function(M){return new(M.kind==="const"?AST_Const:AST_Var)({start:my_start_token(M),end:my_end_token(M),definitions:M.declarations.map(from_moz)})},Literal:function(M){var val=M.value,args={start:my_start_token(M),end:my_end_token(M)};if(val===null)return new AST_Null(args);switch(typeof val){case"string":args.value=val;return new AST_String(args);case"number":args.value=val;return new AST_Number(args);case"boolean":return new(val?AST_True:AST_False)(args);default:var rx=M.regex;if(rx&&rx.pattern){args.value=new RegExp(rx.pattern,rx.flags).toString()}else{args.value=M.regex&&M.raw?M.raw:val}return new AST_RegExp(args)}},Identifier:function(M){var p=FROM_MOZ_STACK[FROM_MOZ_STACK.length-2];return new(p.type=="LabeledStatement"?AST_Label:p.type=="VariableDeclarator"&&p.id===M?p.kind=="const"?AST_SymbolConst:AST_SymbolVar:p.type=="FunctionExpression"?p.id===M?AST_SymbolLambda:AST_SymbolFunarg:p.type=="FunctionDeclaration"?p.id===M?AST_SymbolDefun:AST_SymbolFunarg:p.type=="CatchClause"?AST_SymbolCatch:p.type=="BreakStatement"||p.type=="ContinueStatement"?AST_LabelRef:AST_SymbolRef)({start:my_start_token(M),end:my_end_token(M),name:M.name})}};MOZ_TO_ME.UpdateExpression=MOZ_TO_ME.UnaryExpression=function To_Moz_Unary(M){var prefix="prefix"in M?M.prefix:M.type=="UnaryExpression"?true:false;return new(prefix?AST_UnaryPrefix:AST_UnaryPostfix)({start:my_start_token(M),end:my_end_token(M),operator:M.operator,expression:from_moz(M.argument)})};map("EmptyStatement",AST_EmptyStatement);map("BlockStatement",AST_BlockStatement,"body@body");map("IfStatement",AST_If,"test>condition, consequent>body, alternate>alternative");map("LabeledStatement",AST_LabeledStatement,"label>label, body>body");map("BreakStatement",AST_Break,"label>label");map("ContinueStatement",AST_Continue,"label>label");map("WithStatement",AST_With,"object>expression, body>body");map("SwitchStatement",AST_Switch,"discriminant>expression, cases@body");map("ReturnStatement",AST_Return,"argument>value");map("ThrowStatement",AST_Throw,"argument>value");map("WhileStatement",AST_While,"test>condition, body>body");map("DoWhileStatement",AST_Do,"test>condition, body>body");map("ForStatement",AST_For,"init>init, test>condition, update>step, body>body");map("ForInStatement",AST_ForIn,"left>init, right>object, body>body");map("DebuggerStatement",AST_Debugger);map("VariableDeclarator",AST_VarDef,"id>name, init>value");map("CatchClause",AST_Catch,"param>argname, body%body");map("ThisExpression",AST_This);map("BinaryExpression",AST_Binary,"operator=operator, left>left, right>right");map("LogicalExpression",AST_Binary,"operator=operator, left>left, right>right");map("AssignmentExpression",AST_Assign,"operator=operator, left>left, right>right");map("ConditionalExpression",AST_Conditional,"test>condition, consequent>consequent, alternate>alternative");map("NewExpression",AST_New,"callee>expression, arguments@args");map("CallExpression",AST_Call,"callee>expression, arguments@args");def_to_moz(AST_Toplevel,function To_Moz_Program(M){return{type:"Program",body:M.body.map(to_moz)}});def_to_moz(AST_Defun,function To_Moz_FunctionDeclaration(M){return{type:"FunctionDeclaration",id:to_moz(M.name),params:M.argnames.map(to_moz),body:to_moz_block(M)}});def_to_moz(AST_Function,function To_Moz_FunctionExpression(M){return{type:"FunctionExpression",id:to_moz(M.name),params:M.argnames.map(to_moz),body:to_moz_block(M)}});def_to_moz(AST_Directive,function To_Moz_Directive(M){return{type:"ExpressionStatement",expression:{type:"Literal",value:M.value}}});def_to_moz(AST_SimpleStatement,function To_Moz_ExpressionStatement(M){return{type:"ExpressionStatement",expression:to_moz(M.body)}});def_to_moz(AST_SwitchBranch,function To_Moz_SwitchCase(M){return{type:"SwitchCase",test:to_moz(M.expression),consequent:M.body.map(to_moz)}});def_to_moz(AST_Try,function To_Moz_TryStatement(M){return{type:"TryStatement",block:to_moz_block(M),handler:to_moz(M.bcatch),guardedHandlers:[],finalizer:to_moz(M.bfinally)}});def_to_moz(AST_Catch,function To_Moz_CatchClause(M){return{type:"CatchClause",param:to_moz(M.argname),guard:null,body:to_moz_block(M)}});def_to_moz(AST_Definitions,function To_Moz_VariableDeclaration(M){return{type:"VariableDeclaration",kind:M instanceof AST_Const?"const":"var",declarations:M.definitions.map(to_moz)}});def_to_moz(AST_Seq,function To_Moz_SequenceExpression(M){return{type:"SequenceExpression",expressions:M.to_array().map(to_moz)}});def_to_moz(AST_PropAccess,function To_Moz_MemberExpression(M){var isComputed=M instanceof AST_Sub;return{type:"MemberExpression",object:to_moz(M.expression),computed:isComputed,property:isComputed?to_moz(M.property):{type:"Identifier",name:M.property}}});def_to_moz(AST_Unary,function To_Moz_Unary(M){return{type:M.operator=="++"||M.operator=="--"?"UpdateExpression":"UnaryExpression",operator:M.operator,prefix:M instanceof AST_UnaryPrefix,argument:to_moz(M.expression)}});def_to_moz(AST_Binary,function To_Moz_BinaryExpression(M){return{type:M.operator=="&&"||M.operator=="||"?"LogicalExpression":"BinaryExpression",left:to_moz(M.left),operator:M.operator,right:to_moz(M.right)}});def_to_moz(AST_Array,function To_Moz_ArrayExpression(M){return{type:"ArrayExpression",elements:M.elements.map(to_moz)}});def_to_moz(AST_Object,function To_Moz_ObjectExpression(M){return{type:"ObjectExpression",properties:M.properties.map(to_moz)}});def_to_moz(AST_ObjectProperty,function To_Moz_Property(M){var key=is_identifier(M.key)?{type:"Identifier",name:M.key}:{type:"Literal",value:M.key};var kind;if(M instanceof AST_ObjectKeyVal){kind="init"}else if(M instanceof AST_ObjectGetter){kind="get"}else if(M instanceof AST_ObjectSetter){kind="set"}return{type:"Property",kind:kind,key:key,value:to_moz(M.value)}});def_to_moz(AST_Symbol,function To_Moz_Identifier(M){var def=M.definition();return{type:"Identifier",name:def?def.mangled_name||def.name:M.name}});def_to_moz(AST_RegExp,function To_Moz_RegExpLiteral(M){var value=M.value;return{type:"Literal",value:value,raw:value.toString(),regex:{pattern:value.source,flags:value.toString().match(/[gimuy]*$/)[0]}}});def_to_moz(AST_Constant,function To_Moz_Literal(M){var value=M.value;if(typeof value==="number"&&(value<0||value===0&&1/value<0)){return{type:"UnaryExpression",operator:"-",prefix:true,argument:{type:"Literal",value:-value,raw:M.start.raw}}}return{type:"Literal",value:value,raw:M.start.raw}});def_to_moz(AST_Atom,function To_Moz_Atom(M){return{type:"Identifier",name:String(M.value)}});AST_Boolean.DEFMETHOD("to_mozilla_ast",AST_Constant.prototype.to_mozilla_ast);AST_Null.DEFMETHOD("to_mozilla_ast",AST_Constant.prototype.to_mozilla_ast);AST_Hole.DEFMETHOD("to_mozilla_ast",function To_Moz_ArrayHole(){return null});AST_Block.DEFMETHOD("to_mozilla_ast",AST_BlockStatement.prototype.to_mozilla_ast);AST_Lambda.DEFMETHOD("to_mozilla_ast",AST_Function.prototype.to_mozilla_ast);function raw_token(moznode){if(moznode.type=="Literal"){return moznode.raw!=null?moznode.raw:moznode.value+""}}function my_start_token(moznode){var loc=moznode.loc,start=loc&&loc.start;var range=moznode.range;return new AST_Token({file:loc&&loc.source,line:start&&start.line,col:start&&start.column,pos:range?range[0]:moznode.start,endline:start&&start.line,endcol:start&&start.column,endpos:range?range[0]:moznode.start,raw:raw_token(moznode)})}function my_end_token(moznode){var loc=moznode.loc,end=loc&&loc.end;var range=moznode.range;return new AST_Token({file:loc&&loc.source,line:end&&end.line,col:end&&end.column,pos:range?range[1]:moznode.end,endline:end&&end.line,endcol:end&&end.column,endpos:range?range[1]:moznode.end,raw:raw_token(moznode)})}function map(moztype,mytype,propmap){var moz_to_me="function From_Moz_"+moztype+"(M){\n";moz_to_me+="return new U2."+mytype.name+"({\n"+"start: my_start_token(M),\n"+"end: my_end_token(M)";var me_to_moz="function To_Moz_"+moztype+"(M){\n";me_to_moz+="return {\n"+"type: "+JSON.stringify(moztype);if(propmap)propmap.split(/\s*,\s*/).forEach(function(prop){var m=/([a-z0-9$_]+)(=|@|>|%)([a-z0-9$_]+)/i.exec(prop);if(!m)throw new Error("Can't understand property map: "+prop);var moz=m[1],how=m[2],my=m[3];moz_to_me+=",\n"+my+": ";me_to_moz+=",\n"+moz+": ";switch(how){case"@":moz_to_me+="M."+moz+".map(from_moz)";me_to_moz+="M."+my+".map(to_moz)";break;case">":moz_to_me+="from_moz(M."+moz+")";me_to_moz+="to_moz(M."+my+")";break;case"=":moz_to_me+="M."+moz;me_to_moz+="M."+my;break;case"%":moz_to_me+="from_moz(M."+moz+").body";me_to_moz+="to_moz_block(M)";break;default:throw new Error("Can't understand operator in propmap: "+prop)}});moz_to_me+="\n})\n}";me_to_moz+="\n}\n}";moz_to_me=new Function("U2","my_start_token","my_end_token","from_moz","return("+moz_to_me+")")(exports,my_start_token,my_end_token,from_moz);me_to_moz=new Function("to_moz","to_moz_block","return("+me_to_moz+")")(to_moz,to_moz_block);MOZ_TO_ME[moztype]=moz_to_me;def_to_moz(mytype,me_to_moz)}var FROM_MOZ_STACK=null;function from_moz(node){FROM_MOZ_STACK.push(node);var ret=node!=null?MOZ_TO_ME[node.type](node):null;FROM_MOZ_STACK.pop();return ret}AST_Node.from_mozilla_ast=function(node){var save_stack=FROM_MOZ_STACK;FROM_MOZ_STACK=[];var ast=from_moz(node);FROM_MOZ_STACK=save_stack;return ast};function set_moz_loc(mynode,moznode,myparent){var start=mynode.start;var end=mynode.end;if(start.pos!=null&&end.endpos!=null){moznode.range=[start.pos,end.endpos]}if(start.line){moznode.loc={start:{line:start.line,column:start.col},end:end.endline?{line:end.endline,column:end.endcol}:null};if(start.file){moznode.loc.source=start.file}}return moznode}function def_to_moz(mytype,handler){mytype.DEFMETHOD("to_mozilla_ast",function(){return set_moz_loc(this,handler(this))})}function to_moz(node){return node!=null?node.to_mozilla_ast():null}function to_moz_block(node){return{type:"BlockStatement",body:node.body.map(to_moz)}}})();/*********************************************************************** A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************/ "use strict";function find_builtins(){var a=[];[Object,Array,Function,Number,String,Boolean,Error,Math,Date,RegExp].forEach(function(ctor){Object.getOwnPropertyNames(ctor).map(add);if(ctor.prototype){Object.getOwnPropertyNames(ctor.prototype).map(add)}});function add(name){push_uniq(a,name)}return a}function mangle_properties(ast,options){options=defaults(options,{reserved:null,cache:null,only_cache:false,regex:null,ignore_quoted:false,debug:false});var reserved=options.reserved;if(reserved==null)reserved=find_builtins();var cache=options.cache;if(cache==null){cache={cname:-1,props:new Dictionary}}var regex=options.regex;var ignore_quoted=options.ignore_quoted;var debug=options.debug!==false;var debug_name_suffix;if(debug){debug_name_suffix=options.debug===true?"":options.debug}var names_to_mangle=[];var unmangleable=[];var ignored={};ast.walk(new TreeWalker(function(node){if(node instanceof AST_ObjectKeyVal){add(node.key,ignore_quoted&&node.quote)}else if(node instanceof AST_ObjectProperty){add(node.key.name)}else if(node instanceof AST_Dot){add(node.property)}else if(node instanceof AST_Sub){addStrings(node.property,ignore_quoted)}}));return ast.transform(new TreeTransformer(function(node){if(node instanceof AST_ObjectKeyVal){if(!(ignore_quoted&&node.quote))node.key=mangle(node.key)}else if(node instanceof AST_ObjectProperty){node.key.name=mangle(node.key.name)}else if(node instanceof AST_Dot){node.property=mangle(node.property)}else if(node instanceof AST_Sub){if(!ignore_quoted)node.property=mangleStrings(node.property)}}));function can_mangle(name){if(!is_identifier(name))return false;if(unmangleable.indexOf(name)>=0)return false;if(reserved.indexOf(name)>=0)return false;if(options.only_cache){return cache.props.has(name)}if(/^[0-9.]+$/.test(name))return false;return true}function should_mangle(name){if(ignore_quoted&&name in ignored)return false;if(regex&&!regex.test(name))return false;if(reserved.indexOf(name)>=0)return false;return cache.props.has(name)||names_to_mangle.indexOf(name)>=0}function add(name,ignore){if(ignore){ignored[name]=true;return}if(can_mangle(name))push_uniq(names_to_mangle,name);if(!should_mangle(name)){push_uniq(unmangleable,name)}}function mangle(name){if(!should_mangle(name)){return name}var mangled=cache.props.get(name);if(!mangled){if(debug){var debug_mangled="_$"+name+"$"+debug_name_suffix+"_";if(can_mangle(debug_mangled)&&!(ignore_quoted&&debug_mangled in ignored)){mangled=debug_mangled}}if(!mangled){do{mangled=base54(++cache.cname)}while(!can_mangle(mangled)||ignore_quoted&&mangled in ignored)}cache.props.set(name,mangled)}return mangled}function addStrings(node,ignore){var out={};try{(function walk(node){node.walk(new TreeWalker(function(node){if(node instanceof AST_Seq){walk(node.cdr);return true}if(node instanceof AST_String){add(node.value,ignore);return true}if(node instanceof AST_Conditional){walk(node.consequent);walk(node.alternative);return true}throw out}))})(node)}catch(ex){if(ex!==out)throw ex}}function mangleStrings(node){return node.transform(new TreeTransformer(function(node){if(node instanceof AST_Seq){node.cdr=mangleStrings(node.cdr)}else if(node instanceof AST_String){node.value=mangle(node.value)}else if(node instanceof AST_Conditional){node.consequent=mangleStrings(node.consequent);node.alternative=mangleStrings(node.alternative)}return node}))}}exports["Compressor"]=Compressor;exports["DefaultsError"]=DefaultsError;exports["Dictionary"]=Dictionary;exports["JS_Parse_Error"]=JS_Parse_Error;exports["MAP"]=MAP;exports["OutputStream"]=OutputStream;exports["SourceMap"]=SourceMap;exports["TreeTransformer"]=TreeTransformer;exports["TreeWalker"]=TreeWalker;exports["base54"]=base54;exports["defaults"]=defaults;exports["mangle_properties"]=mangle_properties;exports["merge"]=merge;exports["parse"]=parse;exports["push_uniq"]=push_uniq;exports["string_template"]=string_template;exports["tokenizer"]=tokenizer;exports["is_identifier"]=is_identifier;exports["SymbolDef"]=SymbolDef;if(typeof DEBUG!=="undefined"&&DEBUG){exports["EXPECT_DIRECTIVE"]=EXPECT_DIRECTIVE}global["UglifyJS"]=exports})({},function(){return this}());