(function(exports,global){
A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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;ii
“`
is not a supported option”,defs);for(var i in defs)if(HOP(defs,i)){ret=args&&HOP(args,i)?args:defs}return ret}function merge(obj,ext){var count=0;for(var i
in ext)if(HOP(ext,i)){obj=ext;count++}return count}function noop(){}function
return_false(){return false}function return_true(){return true}function
return_this(){return this}function return_null(){return null}var
MAP=function(){function MAP(a,f,backwards){var ret=[],top=,i;function doit(){var val=f(a,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<a.length;++i)if(doit())break}}else{for(i
in a)if(HOP(a,i))if(doit())break}return
top.concat(ret)}MAP.at_top=function(val){return new
AtTop(val)};MAP.splice=function(val){return new
Splice(val)};MAP.last=function(val){return new Last(val)};var
skip=MAP.skip={};function AtTop(val){this.v=val}function
Splice(val){this.v=val}function Last(val){this.v=val}return MAP}();function
push_uniq(array,el){if(array.indexOf(el)<0)array.push(el)}function
string_template(text,props){return
text.replace(/{(.+?)}/g,function(str,p){return props&&props})}function remove(array,el){for(var
i=array.length;–i>=0;){if(array===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
A JavaScript tokenizer / parser / beautifier / compressor. https://github.com/mishoo/UglifyJS2 -------------------------------- (C) --------------------------------- Author: Mihai Bazon <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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+“ =
props.”+props+“;”}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(/^$/.test(i)){ctor=methods}else{ctor.prototype=methods}}ctor.DEFMETHOD=function(name,method){this.prototype=method};if(typeof exports!==“undefined”){exports=ctor}return ctor}var
AST_Token=DEFNODE(“Token”,“type value line col pos endline endcol endpos
nlb comments_before file raw”,{},null);var AST_Node=DEFNODE(“Node”,“start
end”,{_clone:function(deep){if(deep){var self=this.clone();return
self.transform(new TreeTransformer(function(node){if(node!==self){return
node.clone(true)}}))}return new
this.CTOR(this)},clone:function(deep){return
this._clone(deep)},$documentation:“Base class of all AST
nodes”,$propdoc:{start:“ The first token of this node”,end:“ The last token of this
node”},_walk:function(visitor){return
visitor._visit(this)},walk:function(visitor){return
this._walk(visitor)}},null);AST_Node.warn_function=null;AST_Node.warn=function(txt,props){if(AST_Node.warn_function)AST_Node.warn_function(string_template(txt,props))};var
AST_Statement=DEFNODE(“Statement”,null,{$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”;',$propdoc:{value:“ The value of this
directive as a plain string (it's not an AST_String!)”,scope:“ The scope that this directive
affects”,quote:“ the original quote
character”}},AST_Statement);var
AST_SimpleStatement=DEFNODE(“SimpleStatement”,“body”,{$documentation:“A
statement consisting of an expression, i.e. a = 1 + 2”,$propdoc:{body:“ an expression node (should not be instanceof
AST_Statement)”},_walk:function(visitor){return
visitor._visit(this,function(){this.body._walk(visitor)})}},AST_Statement);function
walk_body(node,visitor){var body=node.body;if(body instanceof
AST_Statement){body._walk(visitor)}else for(var
i=0,len=body.length;i<len;i++){body._walk(visitor)}}var
AST_Block=DEFNODE(“Block”,“body”,{$documentation:“A body of statements
(usually bracketed)”,$propdoc:{body:“ an array
of statements”},_walk:function(visitor){return
visitor._visit(this,function(){walk_body(this,visitor)})}},AST_Statement);var
AST_BlockStatement=DEFNODE(“BlockStatement”,null,{$documentation:“A block
statement”},AST_Block);var
AST_EmptyStatement=DEFNODE(“EmptyStatement”,null,{$documentation:“The empty
statement (empty block or simply a
semicolon)”,_walk:function(visitor){return
visitor._visit(this)}},AST_Statement);var
AST_StatementWithBody=DEFNODE(“StatementWithBody”,“body”,{$documentation:“Base
class for all statements that contain one nested body: `For`, `ForIn`,
`Do`, `While`, `With`”,$propdoc:{body:“ the
body; this should always be present, even if it's an
AST_EmptyStatement”},_walk:function(visitor){return
visitor._visit(this,function(){this.body._walk(visitor)})}},AST_Statement);var
AST_LabeledStatement=DEFNODE(“LabeledStatement”,“label”,{$documentation:“Statement
with a label”,$propdoc:{label:“ a label
definition”},_walk:function(visitor){return
visitor._visit(this,function(){this.label._walk(visitor);this.body._walk(visitor)})},clone:function(deep){var
node=this._clone(deep);if(deep){var refs=node.label.references;var
label=this.label;node.walk(new TreeWalker(function(node){if(node instanceof
AST_LoopControl&&node.label&&node.label.thedef===label){refs.push(node)}}))}return
node}},AST_StatementWithBody);var
AST_IterationStatement=DEFNODE(“IterationStatement”,null,{$documentation:“Internal
class. All loops inherit from it.”},AST_StatementWithBody);var
AST_DWLoop=DEFNODE(“DWLoop”,“condition”,{$documentation:“Base class for
do/while statements”,$propdoc:{condition:“ the loop
condition. Should not be instanceof
AST_Statement”}},AST_IterationStatement);var
AST_Do=DEFNODE(“Do”,null,{$documentation:“A `do`
statement”,_walk:function(visitor){return
visitor._visit(this,function(){this.body._walk(visitor);this.condition._walk(visitor)})}},AST_DWLoop);var
AST_While=DEFNODE(“While”,null,{$documentation:“A `while`
statement”,_walk:function(visitor){return
visitor._visit(this,function(){this.condition._walk(visitor);this.body._walk(visitor)})}},AST_DWLoop);var
AST_For=DEFNODE(“For”,“init condition step”,{$documentation:“A `for`
statement”,$propdoc:{init:“ the `for`
initialization code, or null if empty”,condition:“
the `for` termination clause, or null if empty”,step:“ the `for` update clause, or null if
empty”},_walk:function(visitor){return
visitor._visit(this,function(){if(this.init)this.init._walk(visitor);if(this.condition)this.condition._walk(visitor);if(this.step)this.step._walk(visitor);this.body._walk(visitor)})}},AST_IterationStatement);var
AST_ForIn=DEFNODE(“ForIn”,“init name object”,{$documentation:“A `for … in`
statement”,$propdoc:{init:“ the `for/in`
initialization code”,name:“ the loop variable,
only if `init` is AST_Var”,object:“ the object that
we're looping through”},_walk:function(visitor){return
visitor._visit(this,function(){this.init._walk(visitor);this.object._walk(visitor);this.body._walk(visitor)})}},AST_IterationStatement);var
AST_With=DEFNODE(“With”,“expression”,{$documentation:“A `with`
statement”,$propdoc:{expression:“ the `with`
expression”},_walk:function(visitor){return
visitor._visit(this,function(){this.expression._walk(visitor);this.body._walk(visitor)})}},AST_StatementWithBody);var
AST_Scope=DEFNODE(“Scope”,“directives variables functions uses_with
uses_eval parent_scope enclosed cname”,{$documentation:“Base class for all
statements introducing a lexical scope”,$propdoc:{directives:“ an array of directives declared in this
scope”,variables:“ a map of name -> SymbolDef for
all variables/functions defined in this scope”,functions:“ like `variables`, but only lists
function declarations”,uses_with:“ tells whether
this scope uses the `with` statement”,uses_eval:“
tells whether this scope contains a direct call to the global `eval`”,parent_scope:“ link to the parent scope”,enclosed:“ a list of all symbol definitions
that are accessed from this scope or any subscopes”,cname:“ current index for mangling
variables (used internally by the mangler)”}},AST_Block);var
AST_Toplevel=DEFNODE(“Toplevel”,“globals”,{$documentation:“The toplevel
scope”,$propdoc:{globals:“ 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 = 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:“ the name of this function”,argnames:“ array of function arguments”,uses_arguments:“ 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<len;i++){argnames._walk(visitor)}walk_body(this,visitor)})}},AST_Scope);var
AST_Accessor=DEFNODE(“Accessor”,null,{$documentation:“A setter/getter
function. The `name` property is always null.”},AST_Lambda);var
AST_Function=DEFNODE(“Function”,null,{$documentation:“A function
expression”},AST_Lambda);var
AST_Defun=DEFNODE(“Defun”,null,{$documentation:“A function
definition”},AST_Lambda);var
AST_Jump=DEFNODE(“Jump”,null,{$documentation:“Base class for “jumps” (for
now that's `return`, `throw`, `break` and
`continue`)”},AST_Statement);var
AST_Exit=DEFNODE(“Exit”,“value”,{$documentation:“Base class for “exits”
(`return` and `throw`)”,$propdoc:{value:“ the value
returned or thrown by this statement; could be null for
AST_Return”},_walk:function(visitor){return
visitor._visit(this,this.value&&function(){this.value._walk(visitor)})}},AST_Jump);var
AST_Return=DEFNODE(“Return”,null,{$documentation:“A `return`
statement”},AST_Exit);var AST_Throw=DEFNODE(“Throw”,null,{$documentation:“A
`throw` statement”},AST_Exit);var
AST_LoopControl=DEFNODE(“LoopControl”,“label”,{$documentation:“Base class
for loop control statements (`break` and `continue`)”,$propdoc:{label:“ the label, or null if
none”},_walk:function(visitor){return
visitor._visit(this,this.label&&function(){this.label._walk(visitor)})}},AST_Jump);var
AST_Break=DEFNODE(“Break”,null,{$documentation:“A `break`
statement”},AST_LoopControl);var
AST_Continue=DEFNODE(“Continue”,null,{$documentation:“A `continue`
statement”},AST_LoopControl);var AST_If=DEFNODE(“If”,“condition
alternative”,{$documentation:“A `if` statement”,$propdoc:{condition:“ the `if` condition”,alternative:“ the `else` part, or null
if not present”},_walk:function(visitor){return
visitor._visit(this,function(){this.condition._walk(visitor);this.body._walk(visitor);if(this.alternative)this.alternative._walk(visitor)})}},AST_StatementWithBody);var
AST_Switch=DEFNODE(“Switch”,“expression”,{$documentation:“A `switch`
statement”,$propdoc:{expression:“ the `switch`
“discriminant””},_walk:function(visitor){return
visitor._visit(this,function(){this.expression._walk(visitor);walk_body(this,visitor)})}},AST_Block);var
AST_SwitchBranch=DEFNODE(“SwitchBranch”,null,{$documentation:“Base class
for `switch` branches”},AST_Block);var
AST_Default=DEFNODE(“Default”,null,{$documentation:“A `default` switch
branch”},AST_SwitchBranch);var
AST_Case=DEFNODE(“Case”,“expression”,{$documentation:“A `case` switch
branch”,$propdoc:{expression:“ the `case`
expression”},_walk:function(visitor){return
visitor._visit(this,function(){this.expression._walk(visitor);walk_body(this,visitor)})}},AST_SwitchBranch);var
AST_Try=DEFNODE(“Try”,“bcatch bfinally”,{$documentation:“A `try`
statement”,$propdoc:{bcatch:“ the catch block, or
null if not present”,bfinally:“ the finally
block, or null if not present”},_walk:function(visitor){return
visitor._visit(this,function(){walk_body(this,visitor);if(this.bcatch)this.bcatch._walk(visitor);if(this.bfinally)this.bfinally._walk(visitor)})}},AST_Block);var
AST_Catch=DEFNODE(“Catch”,“argname”,{$documentation:“A `catch` node; only
makes sense as part of a `try` statement”,$propdoc:{argname:“ symbol for the
exception”},_walk:function(visitor){return
visitor._visit(this,function(){this.argname._walk(visitor);walk_body(this,visitor)})}},AST_Block);var
AST_Finally=DEFNODE(“Finally”,null,{$documentation:“A `finally` node; only
makes sense as part of a `try` statement”},AST_Block);var
AST_Definitions=DEFNODE(“Definitions”,“definitions”,{$documentation:“Base
class for `var` or `const` nodes (variable
declarations/initializations)”,$propdoc:{definitions:“ array of variable
definitions”},_walk:function(visitor){return
visitor._visit(this,function(){var definitions=this.definitions;for(var
i=0,len=definitions.length;i<len;i++){definitions._walk(visitor)}})}},AST_Statement);var
AST_Var=DEFNODE(“Var”,null,{$documentation:“A `var`
statement”},AST_Definitions);var
AST_Const=DEFNODE(“Const”,null,{$documentation:“A `const`
statement”},AST_Definitions);var AST_VarDef=DEFNODE(“VarDef”,“name
value”,{$documentation:“A variable declaration; only appears in a
AST_Definitions node”,$propdoc:{name:“ name of the variable”,value:“ initializer, or null of there's
no initializer”},_walk:function(visitor){return
visitor._visit(this,function(){this.name._walk(visitor);if(this.value)this.value._walk(visitor)})}});var
AST_Call=DEFNODE(“Call”,“expression args”,{$documentation:“A function call
expression”,$propdoc:{expression:“ expression to
invoke as function”,args:“ array of
arguments”},_walk:function(visitor){return
visitor._visit(this,function(){this.expression._walk(visitor);var
args=this.args;for(var i=0,len=args.length;i<len;i++){args._walk(visitor)}})}});var
AST_New=DEFNODE(“New”,null,{$documentation:“An object instantiation.
Derives from a function call since it has exactly the same
properties”},AST_Call);var AST_Seq=DEFNODE(“Seq”,“car
cdr”,{$documentation:“A sequence expression (two comma-separated
expressions)”,$propdoc:{car:“ first element in sequence”,cdr:“ second element in
sequence”},$cons:function(x,y){var seq=new
AST_Seq(x);seq.car=x;seq.cdr=y;return
seq},$from_array:function(array){if(array.length==0)return
null;if(array.length==1)return array.clone();var
list=null;for(var i=array.length;–i>=0;){list=AST_Seq.cons(array,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”,{$documentation:'Base class for property access expressions,
i.e. `a.foo` or `a`',$propdoc:{expression:“ the “container” expression”,property:“ 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`',_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:“ the operator”,expression:“ 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:“ left-hand side expression”,operator:“ the operator”,right:“ 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:“”,consequent:“”,alternative:“”},_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”,$propdoc:{elements:“ array of
elements”},_walk:function(visitor){return
visitor._visit(this,function(){var elements=this.elements;for(var
i=0,len=elements.length;i<len;i++){elements._walk(visitor)}})}});var
AST_Object=DEFNODE(“Object”,“properties”,{$documentation:“An object
literal”,$propdoc:{properties:“ array of
properties”},_walk:function(visitor){return
visitor._visit(this,function(){var properties=this.properties;for(var
i=0,len=properties.length;i<len;i++){properties._walk(visitor)}})}});var
AST_ObjectProperty=DEFNODE(“ObjectProperty”,“key
value”,{$documentation:“Base class for literal object
properties”,$propdoc:{key:“ the property name
converted to a string for ObjectKeyVal. For setters and getters this is an
arbitrary AST_Node.”,value:“ property value. For
setters and getters this is an
AST_Function.”},_walk:function(visitor){return
visitor._visit(this,function(){this.value._walk(visitor)})}});var
AST_ObjectKeyVal=DEFNODE(“ObjectKeyVal”,“quote”,{$documentation:“A key:
value object property”,$propdoc:{quote:“ the original
quote character”}},AST_ObjectProperty);var
AST_ObjectSetter=DEFNODE(“ObjectSetter”,null,{$documentation:“An object
setter property”},AST_ObjectProperty);var
AST_ObjectGetter=DEFNODE(“ObjectGetter”,null,{$documentation:“An object
getter property”},AST_ObjectProperty);var
AST_Symbol=DEFNODE(“Symbol”,“scope name thedef”,{$propdoc:{name:“ name of this symbol”,scope:“ the current scope (not necessarily
the definition scope)”,thedef:“ the definition of
this symbol”},$documentation:“Base class for all symbols”});var
AST_SymbolAccessor=DEFNODE(“SymbolAccessor”,null,{$documentation:“The name
of a property accessor (setter/getter function)”},AST_Symbol);var
AST_SymbolDeclaration=DEFNODE(“SymbolDeclaration”,“init”,{$documentation:“A
declaration symbol (symbol in var/const, function name or argument, symbol
in catch)”},AST_Symbol);var
AST_SymbolVar=DEFNODE(“SymbolVar”,null,{$documentation:“Symbol defining a
variable”},AST_SymbolDeclaration);var
AST_SymbolConst=DEFNODE(“SymbolConst”,null,{$documentation:“A constant
declaration”},AST_SymbolDeclaration);var
AST_SymbolFunarg=DEFNODE(“SymbolFunarg”,null,{$documentation:“Symbol naming
a function argument”},AST_SymbolVar);var
AST_SymbolDefun=DEFNODE(“SymbolDefun”,null,{$documentation:“Symbol defining
a function”},AST_SymbolDeclaration);var
AST_SymbolLambda=DEFNODE(“SymbolLambda”,null,{$documentation:“Symbol naming
a function expression”},AST_SymbolDeclaration);var
AST_SymbolCatch=DEFNODE(“SymbolCatch”,null,{$documentation:“Symbol naming
the exception in catch”},AST_SymbolDeclaration);var
AST_Label=DEFNODE(“Label”,“references”,{$documentation:“Symbol naming a
label (declaration)”,$propdoc:{references:“
a list of nodes referring to this
label”},initialize:function(){this.references=[];this.thedef=this}},AST_Symbol);var
AST_SymbolRef=DEFNODE(“SymbolRef”,null,{$documentation:“Reference to some
symbol (not definition/declaration)”},AST_Symbol);var
AST_LabelRef=DEFNODE(“LabelRef”,null,{$documentation:“Reference to a label
symbol”},AST_Symbol);var AST_This=DEFNODE(“This”,null,{$documentation:“The
`this` symbol”},AST_Symbol);var
AST_Constant=DEFNODE(“Constant”,null,{$documentation:“Base class for all
constants”,getValue:function(){return this.value}});var
AST_String=DEFNODE(“String”,“value quote”,{$documentation:“A string
literal”,$propdoc:{value:“ the contents of this string”,quote:“ the original quote
character”}},AST_Constant);var AST_Number=DEFNODE(“Number”,“value
literal”,{$documentation:“A number literal”,$propdoc:{value:“ the numeric value”,literal:“
numeric value as string (optional)”}},AST_Constant);var
AST_RegExp=DEFNODE(“RegExp”,“value”,{$documentation:“A regexp
literal”,$propdoc:{value:“ the actual
regexp”}},AST_Constant);var
AST_Atom=DEFNODE(“Atom”,null,{$documentation:“Base class for
atoms”},AST_Constant);var AST_Null=DEFNODE(“Null”,null,{$documentation:“The
`null` atom”,value:null},AST_Atom);var
AST_NaN=DEFNODE(“NaN”,null,{$documentation:“The impossible
value”,value:0/0},AST_Atom);var
AST_Undefined=DEFNODE(“Undefined”,null,{$documentation:“The `undefined`
value”,value:function(){}()},AST_Atom);var
AST_Hole=DEFNODE(“Hole”,null,{$documentation:“A hole in an
array”,value:function(){}()},AST_Atom);var
AST_Infinity=DEFNODE(“Infinity”,null,{$documentation:“The `Infinity`
value”,value:1/0},AST_Atom);var
AST_Boolean=DEFNODE(“Boolean”,null,{$documentation:“Base class for
booleans”},AST_Atom);var
AST_False=DEFNODE(“False”,null,{$documentation:“The `false`
atom”,value:false},AST_Boolean);var
AST_True=DEFNODE(“True”,null,{$documentation:“The `true`
atom”,value:true},AST_Boolean);function
TreeWalker(callback){this.visit=callback;this.stack=[];this.directives=Object.create(null)}TreeWalker.prototype={_visit:function(node,descend){this.push(node);var
ret=this.visit(node,descend?function(){descend.call(node)}:noop);if(!ret&&descend){descend.call(node)}this.pop(node);return
ret},parent:function(n){return this.stack},push:function(node){if(node
instanceof AST_Lambda){this.directives=Object.create(this.directives)}else
if(node instanceof AST_Directive&&!this.directives){this.directives=node}this.stack.push(node)},pop:function(node){this.stack.pop();if(node
instanceof
AST_Lambda){this.directives=Object.getPrototypeOf(this.directives)}},self:function(){return
this.stack},find_parent:function(type){var
stack=this.stack;for(var i=stack.length;–i>=0;){var x=stack;if(x instanceof type)return
x}},has_directive:function(type){var dir=this.directives;if(dir)return dir;var node=this.stack;if(node instanceof
AST_Scope){for(var i=0;i<node.body.length;++i){var st=node.body;if(!(st instanceof
AST_Directive))break;if(st.value==type)return
st}}},in_boolean_context:function(){var stack=this.stack;var i=stack.length,self=stack;while(i>0){var p=stack;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;if(x instanceof
AST_LabeledStatement&&x.label.name==label.name){return x.body}}else
for(var i=stack.length;–i>=0;){var x=stack;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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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+$/i;var RE_OCT_NUMBER=/^0+$/;var >“,”<<",">>>“,”<",">“,”<=",">=“,”==“,”===“,”!=“,”!==“,”?“,”=“,”+=“,”-=“,”/=“,”*=“,”%=“,”>>=“,”<<=",">>>=“,”|=“,”^=“,”&=“,”&&“,”||“”>OPERATORS=makePredicate();var
WHITESPACE_CHARS=makePredicate(characters(“
nrtfv u2028u2029 ufeff”));var
NEWLINE_CHARS=makePredicate(characters(“nru2028u2029”));var
PUNC_BEFORE_EXPRESSION=makePredicate(characters(“[{(,.;:”));var
PUNC_CHARS=makePredicate(characters(“[]{}(),;:”));var
REGEXP_MODIFIERS=makePredicate(characters(“gmsiy”));var UNICODE={letter:new
RegExp(“”),digit:new
RegExp(“”),non_spacing_mark:new
RegExp(“”),space_combining_mark:new
RegExp(“”),connector_punctuation:new
RegExp(“”)};function
is_letter(code){return
code>=97&&code<=122||code>=65&&code<=90||code>=170&&UNICODE.letter.test(String.fromCharCode(code))}function
is_digit(code){return code>=48&&code<=57}function
is_alphanumeric_char(code){return is_digit(code)||is_letter(code)}function
is_unicode_digit(code){return
UNICODE.digit.test(String.fromCharCode(code))}function
is_unicode_combining_mark(ch){return
UNICODE.non_spacing_mark.test(ch)||UNICODE.space_combining_mark.test(ch)}function
is_unicode_connector_punctuation(ch){return
UNICODE.connector_punctuation.test(ch)}function is_identifier(name){return!RESERVED_WORDS(name)&&/^[a-z0-9_$]*$/i.test(name)}function
is_identifier_start(code){return
code==36||code==95||is_letter(code)}function is_identifier_char(ch){var
code=ch.charCodeAt(0);return
is_identifier_start(code)||is_digit(code)||code==8204||code==8205||is_unicode_combining_mark(ch)||is_unicode_connector_punctuation(ch)||is_unicode_digit(code)}function
is_identifier_string(str){return/^[a-z0-9_$]*$/i.test(str)}function
parse_js_number(num){if(RE_HEX_NUMBER.test(num)){return
parseInt(num.substr(2),16)}else if(RE_OCT_NUMBER.test(num)){return
parseInt(num.substr(1),8)}else{var val=parseFloat(num);if(val==num)return
val}}function
JS_Parse_Error(message,filename,line,col,pos){this.message=message;this.filename=filename;this.line=line;this.col=col;this.pos=pos}JS_Parse_Error.prototype=Object.create(Error.prototype);JS_Parse_Error.prototype.constructor=JS_Parse_Error;JS_Parse_Error.prototype.name=“SyntaxError”;configure_error_stack(JS_Parse_Error);function
js_error(message,filename,line,col,pos){throw new
JS_Parse_Error(message,filename,line,col,pos)}function
is_token(token,type,val){return
token.type==type&&(val==null||token.value==val)}var
EX_EOF={};function 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<n;++i){var
ch=text;if(NEWLINE_CHARS(ch))return i}return-1}function
find(what,signal_eof){var
pos=S.text.indexOf(what,S.pos);if(signal_eof&&pos==-1)throw
EX_EOF;return pos}function
start_token(){S.tokline=S.line;S.tokcol=S.col;S.tokpos=S.pos}var
prev_was_dot=false;function
token(type,value,is_comment){S.regex_allowed=type==“operator”&&!UNARY_POSTFIX(value)||type==“keyword”&&KEYWORDS_BEFORE_EXPRESSION(value)||type==“punc”&&PUNC_BEFORE_EXPRESSION(value);prev_was_dot=type==“punc”&&value==“.”;var
ret={type:type,value:value,line:S.tokline,col:S.tokcol,pos:S.tokpos,endline:S.line,endcol:S.col,endpos:S.pos,nlb:S.newline_before,file:filename};if(/^(?:num|string|regexp)$/i.test(type)){ret.raw=$TEXT.substring(ret.pos,ret.endpos)}if(!is_comment){ret.comments_before=S.comments_before;S.comments_before=[];for(var
i=0,len=ret.comments_before.length;i<len;i++){ret.nlb=ret.nlb||ret.comments_before.nlb}}S.newline_before=false;return
new AST_Token(ret)}function
skip_whitespace(){while(WHITESPACE_CHARS(peek()))next()}function
read_while(pred){var
ret=“”,ch,i=0;while((ch=peek())&&pred(ch,i++))ret+=next();return
ret}function
parse_error(err){js_error(err,filename,S.tokline,S.tokcol,S.tokpos)}function
read_num(prefix){var
has_e=false,after_e=false,has_x=false,has_dot=prefix==“.”;var
num=read_while(function(ch,i){var code=ch.charCodeAt(0);switch(code){case
120:case 88:return has_x?false:has_x=true;case 101:case 69:return
has_x?true:has_e?false:has_e=after_e=true;case 45:return
after_e||i==0&&!prefix;case 43:return after_e;case
after_e=false,46:return!has_dot&&!has_x&&!has_e?has_dot=true:false}return
is_alphanumeric_char(code)});if(prefix)num=prefix+num;if(RE_OCT_NUMBER.test(num)&&next_token.has_directive(“use
strict”)){parse_error(“Legacy octal literals are not allowed in strict
mode”)}var valid=parse_js_number(num);if(!isNaN(valid)){return
token(“num”,valid)}else{parse_error(“Invalid syntax: ”+num)}}function
read_escaped_char(in_string){var
ch=next(true,in_string);switch(ch.charCodeAt(0)){case 110:return“n”;case
114:return“r”;case 116:return“t”;case 98:return“b”;case 118:return“v”;case
102:return“f”;case 120:return String.fromCharCode(hex_bytes(2));case
117:return String.fromCharCode(hex_bytes(4));case 10:return“”;case
13:if(peek()==“n”){next(true,in_string);return“”}}if(ch>=“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<=“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(/rn|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(“<!–”)){forward(4);skip_line_comment(“comment3”);continue}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.push(directive);if(S.directives===undefined){S.directives=1}else{S.directives++}};next_token.push_directives_stack=function(){S.directive_stack.push([])};next_token.pop_directives_stack=function(){var
directives=S.directive_stack;for(var
i=0;i<directives.length;i++){S.directives[directives]–}S.directive_stack.pop()};next_token.has_directive=function(directive){return
S.directives!==undefined&&S.directives>0};return next_token}var UNARY_PREFIX=makePredicate();var
UNARY_POSTFIX=makePredicate();var >=“,”<<=",">>>=“,”|=“,”^=“,”&=“”>ASSIGNMENT=makePredicate();var
PRECEDENCE=function(a,ret){for(var i=0;i<a.length;++i){var b=a;for(var j=0;j<b.length;++j){ret[b]=i+1}}return
ret}([[“||”],[“&&”],[“|”],[“^”],[“&”],[“==”,“===”,“!=”,“!==”],[“<”,“>”,“<=”,“>=”,“>”,“<<",">>>”“>in”,“instanceof”],,[“+”,“-”],[“*”,“/”,“%”]],{});var
STATEMENTS_WITH_LABELS=array_to_hash();var
ATOMIC_START_TOKEN=array_to_hash();function
parse($TEXT,options){options=defaults(options,{bare_returns:false,cli:false,expression:false,filename:null,html5_comments:true,shebang:true,strict:false,toplevel:null});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()})}}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.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){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”,null,ctor===AST_UnaryPrefix?expr.start.col-1:null);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: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.cli)return true;return expr
instanceof AST_PropAccess||expr instanceof AST_SymbolRef}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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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=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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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=;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.originstanceof AST_SymbolLambda||this.originstanceof 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;var sym=this.orig;if(!options.screw_ie8&&sym instanceof AST_SymbolLambda)s=s.parent_scope;var def;if(this.defun&&(def=this.defun.variables.get(this.name))){this.mangled_name=def.mangled_name||def.name}else 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,{cache:null,screw_ie8:true});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(save_scope);descend();scope=save_scope;return true}if(node instanceof AST_Scope){node.init_scope_vars(scope);var save_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);if(defun!==scope){node.mark_enclosed(options);var def=scope.find_variable(node);if(node.thedef!==def){node.thedef=def;node.reference(options)}}}else if(node instanceof AST_SymbolCatch){scope.def_variable(node).defun=defun}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 refs=node.thedef.references;var scope=node.thedef.defun;var def=scope.find_variable(name)||self.globals.get(name)||scope.def_variable(node);refs.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(parent_scope){this.variables=new Dictionary;this.functions=new Dictionary;this.uses_with=false;this.uses_eval=false;this.parent_scope=parent_scope;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;this.def_variable(new AST_SymbolVar({name:“arguments”,start:this.start,end:this.end}))});AST_Symbol.DEFMETHOD(“mark_enclosed”,function(options){var def=this.definition();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_Symbol.DEFMETHOD(“reference”,function(options){this.definition().references.push(this);this.mark_enclosed(options)});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;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.originstanceof 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,{eval:false,except:[],keep_fnames:false,screw_ie8:true,sort:false,toplevel: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=0})}base54.consider=function(str){for(var i=str.length;–i>=0;){var code=str.charCodeAt(i);if(code in frequency)++frequency}};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-frequency})};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=Math.floor(num/base);base=64}while(num>0);return ret}return base54}();AST_Toplevel.DEFMETHOD(“scope_warnings”,function(options){options=defaults(options,{assign_to_global:true,eval:true,func_arguments:true,nested_defuns:true,undeclared:false,unreferenced: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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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=/^$|[sn]*$/;function
is_some_comments(comment){return
comment.type==“comment2”&&/@preserve|@license|@cc_on/i.test(comment.value)}function
OutputStream(options){options=defaults(options,{ascii_only:false,beautify:false,bracketize:false,comments:false,indent_level:4,indent_start:0,inline_script:false,keep_quoted_props:false,max_line_len:false,preamble:null,preserve_line:false,quote_keys:false,quote_style:0,screw_ie8:true,semicolons:true,shebang:true,source_map:null,space_colon:true,unescape_regexps:false,width:80,wrap_iife:false},true);var
comment_filter=return_false;if(options.comments){var
comments=options.comments;if(typeof options.comments===“string”&&/^/.*/*$/.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(//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(//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//.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([>/tnfr
])/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){var
target_line=stack.start.line;while(current_line<target_line){ensure_line_len();OUTPUT+=”n“;current_pos++;current_line++;current_col=0;might_need_space=false}}if(might_need_space){var
prev=last_char();if(is_identifier_char(prev)&&(is_identifier_char(ch)||ch==”\“)||ch==”/“&&ch==prev||(ch==”+“||ch==”-“)&&ch==last){OUTPUT+=”
“;current_col++;current_pos++}might_need_space=false}OUTPUT+=str;current_pos+=str.length;var
a=str.split(/r?n/),n=a.length-1;current_line+=n;current_col+=a.length;if(n>0){ensure_line_len();current_col=a.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},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}}}(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(output.pos()==0){if(comments.length>0&&output.option(”shebang“)&&comments.type==”comment5“){output.print(”#!“+comments.shift().value+”n“);output.indent()}var
preamble=output.option(”preamble“);if(preamble){output.print(preamble.replace(/rn?||s*$/g,”n“))}}comments=comments.filter(output.comment_filter,self);if(!output.option(”beautify“)&&comments.length>0&&/comment/.test(comments.type)&&output.col()!==0&&comments.nlb){output.print(”n“)}comments.forEach(function©{if(/comment/.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,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;var so=this.operator,sp=PRECEDENCE;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(,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){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();var
last=self.body.length-1;if(last<0)output.print(”{}“);else
output.with_block(function(){self.body.forEach(function(branch,i){output.indent(true);branch.print(output);if(i<last&&branch.body.length>0)output.newline()})})});AST_SwitchBranch.DEFMETHOD(”_do_print_body“,function(output){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(!//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(”“)});DEFPRINT(AST_UnaryPrefix,function(self,output){var
op=self.operator;output.print(op);if(/^/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==”>“&&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_Hole,noop);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.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{4}|\x{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,len=best.length;for(var i=1;i<a.length;++i){if(a.length<len){best=a;len=best.length}}return best}function make_num(num){var
str=num.toString(10),a=,m;if(Math.floor(num)===num){if(num>=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+”e“+m.length)}}else
if(m=/^0?.(0+)(.*)$/.exec(num)){a.push(m+”e-“+(m.length+m.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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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,{angular:false,booleans:!false_by_default,cascade:!false_by_default,collapse_vars:!false_by_default,comparisons:!false_by_default,conditionals:!false_by_default,dead_code:!false_by_default,drop_console:false,drop_debugger:!false_by_default,evaluate:!false_by_default,expression:false,global_defs:{},hoist_funs:!false_by_default,hoist_vars:false,if_return:!false_by_default,join_vars:!false_by_default,keep_fargs:true,keep_fnames:false,keep_infinity:false,loops:!false_by_default,negate_iife:!false_by_default,passes:1,properties:!false_by_default,pure_getters:false,pure_funcs:null,reduce_vars:!false_by_default,screw_ie8:true,sequences:!false_by_default,side_effects:!false_by_default,switches:!false_by_default,top_retain:null,toplevel:!!(options&&options),unsafe:false,unsafe_comps:false,unsafe_math:false,unsafe_proto:false,unused:!false_by_default,warnings:true},true);var
pure_funcs=this.options;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;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;this.sequences_limit=sequences==1?200:sequences|0;this.warnings_produced={}}Compressor.prototype=new
TreeTransformer;merge(Compressor.prototype,{option:function(key){return this.options},compress:function(node){if(this.option(“expression”)){node=node.process_expression(true)}var
passes=+this.options.passes||1;for(var
pass=0;pass<passes&&pass<3;++pass){if(pass>0||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},info:function(){if(this.options.warnings==“verbose”){AST_Node.warn.apply(AST_Node,arguments)}},warn:function(text,props){if(this.options.warnings){var
message=string_template(text,props);if(!(message in
this.warnings_produced)){this.warnings_produced=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);descend(node,this);var
opt=node.optimize(this);if(was_scope&&opt instanceof
AST_Scope){opt.drop_unused(this);descend(opt,this)}if(opt===node)opt._squeezed=true;return
opt}});(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;return
opt})}OPT(AST_Node,function(self,compressor){return
self});AST_Node.DEFMETHOD(“equivalent_to”,function(node){return
this.TYPE==node.TYPE&&this.print_to_string()==node.print_to_string()});AST_Node.DEFMETHOD(“process_expression”,function(insert,compressor){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){if(compressor){var
value=node.value&&node.value.drop_side_effect_free(compressor,true);return
value?make_node(AST_SimpleStatement,node,{body:value}):make_node(AST_EmptyStatement,node)}return
make_node(AST_SimpleStatement,node,{body:node.value||make_node(AST_UnaryPrefix,node,{operator:“void”,expression:make_node(AST_Number,node,{value:0})})})}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=node.body.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===undefined||!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==null){d.fixed=node.value;mark_as_safe(d)}else
if(node.value){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&&!node.name&&(iife=tw.parent())instanceof
AST_Call&&iife.expression===node){node.argnames.forEach(function(arg,i){var
d=arg.definition();d.fixed=iife.args||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||node instanceof
AST_SwitchBranch){push();descend();pop();return
true}}});this.walk(tw);function mark_as_safe(def){safe_ids[def.id]=true}function
is_safe(def){for(var i=safe_ids.length,id=def.id;–i>=0;){if(safe_ids[id]){if(def.fixed==null){var orig=def.orig;if(orig instanceof
AST_SymbolFunarg||orig.name==“arguments”)return
false;def.fixed=make_node(AST_Undefined,orig)}return true}}}function
push(){safe_ids.push(Object.create(null))}function
pop(){safe_ids.pop()}function reset_def(def){if(toplevel||!def.global||def.originstanceof
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
find_variable(compressor,name){var
scope,i=0;while(scope=compressor.parent(i++)){if(scope instanceof
AST_Scope)break;if(scope instanceof
AST_Catch){scope=scope.argname.definition().scope;break}}return
scope.find_variable(name)}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(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(isFinite(val)){return
1/val<0?make_node(AST_UnaryPrefix,orig,{operator:“-”,expression:make_node(AST_Number,orig,{value:-val})}):make_node(AST_Number,orig,{value:val})}return
val<0?make_node(AST_UnaryPrefix,orig,{operator:“-”,expression:make_node(AST_Infinity,orig)}):make_node(AST_Infinity,orig);case“boolean”:return
make_node(val?AST_True:AST_False,orig);case“undefined”:return
make_node(AST_Undefined,orig);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;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}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;var
toplevel=compressor.option(“toplevel”);for(var
stat_index=statements.length;–stat_index>=0;){var stat=statements;if(stat instanceof AST_Definitions)continue;.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;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;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=true;var
def=self.find_variable&&self.find_variable(var_name);if(!def||!def.references||def.references.length!==1||var_name==“arguments”||!toplevel&&def.global){side_effects_encountered=true;continue}var
ref=def.references;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;var
value_has_side_effects=var_decl.value.has_side_effects(compressor);if(ref.scope!==self){side_effects_encountered|=value_has_side_effects;continue}var
tw=new TreeWalker(function(node){if(node instanceof
AST_SymbolRef&&is_lvalue(node,tw.parent())){lvalues=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||node instanceof
AST_SymbolRef&&value_has_side_effects&&!are_references_in_scope(node.definition(),self)||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
are_references_in_scope(def,scope){if(def.orig.length===1&&def.originstanceof
AST_SymbolDefun)return true;if(def.scope!==scope)return false;var
refs=def.references;for(var i=0,len=refs.length;i<len;i++){if(refs.scope!==scope)return false}return true}},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&&statementsinstanceof
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=make_node(AST_EmptyStatement,self);var_defs_removed=true}stat.reset_opt_flags(compressor);compressor.info(“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)){array=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;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||retinstanceof AST_Return&&!ret.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(retinstanceof AST_Return&&stat.body.value&&ret.value&&!stat.alternative){CHANGED=true;stat=stat.clone();stat.alternative=ret;ret=stat.transform(compressor);continue loop}if(multiple_if_returns&&(ret.length==0||retinstanceof
AST_Return)&&stat.body.value&&!stat.alternative&&in_lambda){CHANGED=true;stat=stat.clone();stat.alternative=ret||make_node(AST_Return,stat,{value:null});ret=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();continue
loop}if(compressor.option(“sequences”)&&i>0&&statementsinstanceof
AST_If&&statements.body instanceof AST_Return&&ret.length==1&&in_lambda&&retinstanceof
AST_SimpleStatement&&!stat.alternative){CHANGED=true;ret.push(make_node(AST_Return,ret,{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=;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=;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;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_IterationStatement)&&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();var
body=stat.body;if(seq.length>0)body=body.drop_side_effect_free(compressor);if(body)seq.push(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<a.length;++i){var stat=a;if(stat instanceof
AST_Seq){len+=stat.len()}else{len++}}return len}function
sequencesize_2(statements,compressor){function
cons_seq(right){ret.pop();var left=prev.body;if(left instanceof
AST_Seq){left.add(right)}else{left=AST_Seq.cons(left,right)}return
left.transform(compressor)}var
ret=[],prev=null;statements.forEach(function(stat){if(prev){if(stat
instanceof AST_For){var opera={};try{prev.body.walk(new
TreeWalker(function(node){if(node instanceof
AST_Binary&&node.operator==“in”)throw
opera}));if(stat.init&&!(stat.init instanceof
AST_Definitions)){stat.init=cons_seq(stat.init)}else
if(!stat.init){stat.init=prev.body.drop_side_effect_free(compressor);ret.pop()}}catch(ex){if(ex!==opera)throw
ex}}else if(stat instanceof
AST_If){stat.condition=cons_seq(stat.condition)}else if(stat instanceof
AST_With){stat.expression=cons_seq(stat.expression)}else if(stat instanceof
AST_Exit&&stat.value){stat.value=cons_seq(stat.value)}else if(stat
instanceof
AST_Exit){stat.value=cons_seq(make_node(AST_Undefined,stat).transform(compressor))}else
if(stat instanceof
AST_Switch){stat.expression=cons_seq(stat.expression)}}ret.push(stat);prev=stat
instanceof AST_SimpleStatement?stat:null});return ret}function
join_consecutive_vars(statements,compressor){var prev=null;return
statements.reduce(function(a,stat){if(stat instanceof
AST_Definitions&&prev&&prev.TYPE==stat.TYPE){prev.definitions=prev.definitions.concat(stat.definitions);CHANGED=true}else
if(stat instanceof AST_For&&prev instanceof
AST_Var&&(!stat.init||stat.init.TYPE==prev.TYPE)){CHANGED=true;a.pop();if(stat.init){stat.init.definitions=prev.definitions.concat(stat.init.definitions)}else{stat.init=prev}a.push(stat);prev=stat}else{prev=stat;a.push(stat)}return
a},[])}}function extract_functions_from_statement_array(statements){var
funs=[];for(var i=statements.length-1;i>=0;–i){var stat=statements;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,compressor){return node.is_undefined||node instanceof
AST_Undefined||node instanceof
AST_UnaryPrefix&&node.operator==“void”&&!node.expression.has_side_effects(compressor)}(function(def){var
unary_bool=;var =“,”>“”>binary_bool=;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)});def(AST_Assign,function(compressor){return
binary(this.operator.slice(0,-1))||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)});var
unary_side_effects=makePredicate(“delete ++ –”);function
isLHS(node,parent){return parent instanceof
AST_Unary&&unary_side_effects(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(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(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(value,orig)}))}return
make_node(AST_Object,orig,{properties:props})}return
make_node_from_constant(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(defines,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_expression(ast1,ast2){return
ast1.print_to_string().length>ast2.print_to_string().length?ast2:ast1}function
best_of_statement(ast1,ast2){return
best_of_expression(make_node(AST_SimpleStatement,ast1,{body:ast1}),make_node(AST_SimpleStatement,ast2,{body:ast2})).body}function
best_of(compressor,ast1,ast2){return(first_in_statement(compressor)?best_of_statement:best_of_expression)(ast1,ast2)}(function(def){AST_Node.DEFMETHOD(“evaluate”,function(compressor){if(!compressor.option(“evaluate”))return
this;try{var val=this._eval(compressor);return!val||val instanceof
RegExp||typeof val!=“object”?val:this}catch(ex){if(ex!==def)throw ex;return
this}});var unaryPrefix=makePredicate(“! ~ - +
void”);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!==this){return result}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<len;i++){var prop=this.properties;var key=prop.key;if(key instanceof
AST_Symbol){key=key.name}else if(key instanceof
AST_Node){key=ev(key,compressor)}if(typeof Object.prototype===“function”){throw def}val=ev(prop.value,compressor)}return val}throw
def});def(AST_UnaryPrefix,function(compressor){var
e=this.expression;switch(this.operator){case“!”:return!ev(e,compressor);case“typeof”:if(e
instanceof AST_Function)return typeof function(){};e=ev(e,compressor);if(e
instanceof RegExp)throw def;return typeof e;case“void”:return void
ev(e,compressor);case“~”:return~ev(e,compressor);case“-”:return-ev(e,compressor);case“+”:return+ev(e,compressor)}throw
def});def(AST_Binary,function©{var
left=this.left,right=this.right,result;switch(this.operator){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)+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)>>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)<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;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}}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_expression(negated,stat)===stat?alt:negated}return
best_of_expression(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).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.has_side_effects(compressor))return true}return
false});function any(list,compressor){for(var i=list.length;–i>=0;)if(list.has_side_effects(compressor))return
true;return false}def(AST_Block,function(compressor){return
any(this.body,compressor)});def(AST_Switch,function(compressor){return
this.expression.has_side_effects(compressor)||any(this.body,compressor)});def(AST_Case,function(compressor){return
this.expression.has_side_effects(compressor)||any(this.body,compressor)});def(AST_Try,function(compressor){return
any(this.body,compressor)||this.bcatch&&this.bcatch.has_side_effects(compressor)||this.bfinally&&this.bfinally.has_side_effects(compressor)});def(AST_If,function(compressor){return
this.condition.has_side_effects(compressor)||this.body&&this.body.has_side_effects(compressor)||this.alternative&&this.alternative.has_side_effects(compressor)});def(AST_LabeledStatement,function(compressor){return
this.body.has_side_effects(compressor)});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
unary_side_effects(this.operator)||this.expression.has_side_effects(compressor)});def(AST_SymbolRef,function(compressor){return
this.global()&&this.undeclared()});def(AST_Object,function(compressor){return
any(this.properties,compressor)});def(AST_ObjectProperty,function(compressor){return
this.value.has_side_effects(compressor)});def(AST_Array,function(compressor){return
any(this.elements,compressor)});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,return_null);def(AST_Jump,return_this);function
block_aborts(){var n=this.body.length;return n>0&&aborts(this.body)}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)!==self){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;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=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=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=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=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<in_use.length;++i){in_use.orig.forEach(function(decl){var
init=initializations.get(decl.name);if(init)init.forEach(function(init){var
tw=new TreeWalker(function(node){if(node instanceof AST_SymbolRef){var
node_def=node.definition();if(!(node_def.id in in_use_ids)){in_use_ids=true;in_use.push(node_def)}}});init.walk(tw)})})}var
tt=new TreeTransformer(function before(node,descend,in_list){if(node
instanceof
AST_Function&&node.name&&!compressor.option(“keep_fnames”)){var
def=node.name.definition();if(!(def.id in
in_use_ids)||def.orig.length>1)node.name=null}if(node instanceof
AST_Lambda&&!(node instanceof AST_Accessor)){var
trim=!compressor.option(“keep_fargs”);for(var
a=node.argnames,i=a.length;–i>=0;){var sym=a;if(!(sym.definition().id in
in_use_ids)){sym.__unused=true;if(trim){a.pop();compressor(“Dropping
unused function argument {name}
[{file}:{line},{col}]”,{name:sym.name,file:sym.start.file,line:sym.start.line,col:sym.start.col})}}else{trim=false}}}if(drop_funcs&&node
instanceof AST_Defun&&node!==self){if(!(node.name.definition().id
in in_use_ids)){compressor(“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.value)def.value=def.value.transform(tt);var
sym=def.name.definition();if(sym.id in in_use_ids)return true;if(sym.originstanceof
AST_SymbolCatch){def.value=def.value&&def.value.drop_side_effect_free(compressor);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(“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;i<def.length;){var x=def;if(x._unused_side_effects){side_effects.push(x._unused_side_effects);def.splice(i,1)}else{if(side_effects.length>0){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:})}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&&node instanceof
AST_Assign&&node.operator==“=”&&node.left instanceof
AST_SymbolRef){var def=node.left.definition();if(!(def.id in
in_use_ids)&&self.variables.get(def.name)===def){return
maintain_this_binding(tt.parent(),node,node.right.transform(tt))}}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).body;body.push(node);return
in_list?MAP.splice(body):make_node(AST_BlockStatement,node,{body:body})}else
if(is_empty(node.init)){node.init=null;return node}}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(compressor);var p=tt.parent();if(p instanceof
AST_ForIn&&p.init===node){if(seq==null){var def=node.definitions.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;i<self.body.length;){if(self.bodyinstanceof
AST_SimpleStatement){var expr=self.body.body,sym,assign;if(expr instanceof
AST_Assign&&expr.operator==“=”&&(sym=expr.left)instanceof
AST_Symbol&&vars.has(sym.name)){var
def=vars.get(sym.name);if(def.value)break;def.value=expr.right;remove(defs,def);defs.push(def);self.body.splice(i,1);continue}if(expr
instanceof AST_Seq&&(assign=expr.car)instanceof
AST_Assign&&assign.operator==“=”&&(sym=assign.left)instanceof
AST_Symbol&&vars.has(sym.name)){var def=vars.get(sym.name);if(def.value)break;def.value=assign.right;remove(defs,def);defs.push(def);self.body.body=expr.cdr;continue}}if(self.bodyinstanceof
AST_EmptyStatement){self.body.splice(i,1);continue}if(self.bodyinstanceof AST_BlockStatement){var tmp=.concat(self.body.body);self.body.splice.apply(self.body,tmp);continue}break}defs=make_node(AST_Var,self,{definitions:defs});hoisted.push(defs)}}self.body=dirs.concat(hoisted,self.body)}return
self});(function(def){function
trim(nodes,compressor,first_in_statement){var ret=[],changed=false;for(var
i=0,len=nodes.length;i<len;i++){var node=nodes.drop_side_effect_free(compressor,first_in_statement);changed|=node!==nodes;if(node){ret.push(node);first_in_statement=false}}return
changed?ret.length?ret:null:nodes}def(AST_Node,return_this);def(AST_Constant,return_null);def(AST_This,return_null);def(AST_Call,function(compressor,first_in_statement){if(!this.has_pure_annotation(compressor)&&compressor.pure_funcs(this)){if(this.expression
instanceof
AST_Function&&(!this.expression.name||!this.expression.name.definition().references.length)){var
node=this.clone();node.expression=node.expression.process_expression(false,compressor);return
node}return this}if(this.pure){compressor.warn(“Dropping __PURE__ call
[{file}:{line},{col}]”,this.start);this.pure.value=this.pure.value.replace(/__PURE__/g,“
”)}var args=trim(this.args,compressor,first_in_statement);return
args&&AST_Seq.from_array(args)});def(AST_Function,return_null);def(AST_Binary,function(compressor,first_in_statement){var
right=this.right.drop_side_effect_free(compressor);if(!right)return
this.left.drop_side_effect_free(compressor,first_in_statement);switch(this.operator){case“&&”:case“||”:if(right===this.right)return
this;var node=this.clone();node.right=right;return node;default:var
left=this.left.drop_side_effect_free(compressor,first_in_statement);if(!left)return
this.right.drop_side_effect_free(compressor,first_in_statement);return
make_node(AST_Seq,this,{car:left,cdr:right})}});def(AST_Assign,return_this);def(AST_Conditional,function(compressor){var
consequent=this.consequent.drop_side_effect_free(compressor);var
alternative=this.alternative.drop_side_effect_free(compressor);if(consequent===this.consequent&&alternative===this.alternative)return
this;if(!consequent)return
alternative?make_node(AST_Binary,this,{operator:“||”,left:this.condition,right:alternative}):this.condition.drop_side_effect_free(compressor);if(!alternative)return
make_node(AST_Binary,this,{operator:“&&”,left:this.condition,right:consequent});var
node=this.clone();node.consequent=consequent;node.alternative=alternative;return
node});def(AST_Unary,function(compressor,first_in_statement){if(unary_side_effects(this.operator))return
this;if(this.operator==“typeof”&&this.expression instanceof
AST_SymbolRef)return null;var
expression=this.expression.drop_side_effect_free(compressor,first_in_statement);if(first_in_statement&&this
instanceof
AST_UnaryPrefix&&is_iife_call(expression)){if(expression===this.expression&&this.operator.length===1)return
this;return
make_node(AST_UnaryPrefix,this,{operator:this.operator.length===1?this.operator:“!”,expression:expression})}return
expression});def(AST_SymbolRef,function(){return
this.undeclared()?this:null});def(AST_Object,function(compressor,first_in_statement){var
values=trim(this.properties,compressor,first_in_statement);return
values&&AST_Seq.from_array(values)});def(AST_ObjectProperty,function(compressor,first_in_statement){return
this.value.drop_side_effect_free(compressor,first_in_statement)});def(AST_Array,function(compressor,first_in_statement){var
values=trim(this.elements,compressor,first_in_statement);return
values&&AST_Seq.from_array(values)});def(AST_Dot,function(compressor,first_in_statement){if(!compressor.option(“pure_getters”))return
this;return
this.expression.drop_side_effect_free(compressor,first_in_statement)});def(AST_Sub,function(compressor,first_in_statement){if(!compressor.option(“pure_getters”))return
this;var
expression=this.expression.drop_side_effect_free(compressor,first_in_statement);if(!expression)return
this.property.drop_side_effect_free(compressor,first_in_statement);var
property=this.property.drop_side_effect_free(compressor);if(!property)return
expression;return
make_node(AST_Seq,this,{car:expression,cdr:property})});def(AST_Seq,function(compressor){var
cdr=this.cdr.drop_side_effect_free(compressor);if(cdr===this.cdr)return
this;if(!cdr)return this.car;return
make_node(AST_Seq,this,{car:this.car,cdr:cdr})})})(function(node,func){node.DEFMETHOD(“drop_side_effect_free”,func)});OPT(AST_SimpleStatement,function(self,compressor){if(compressor.option(“side_effects”)){var
body=self.body;var
node=body.drop_side_effect_free(compressor,true);if(!node){compressor.warn(“Dropping
side-effect-free statement [{file}:{line},{col}]”,self.start);return
make_node(AST_EmptyStatement,self)}if(node!==body){return
make_node(AST_SimpleStatement,self,{body:node})}}return
self});OPT(AST_DWLoop,function(self,compressor){if(!compressor.option(“loops”))return
self;var
cond=self.condition.evaluate(compressor);if(cond!==self.condition){if(cond){return
make_node(AST_For,self,{body:self.body})}else
if(compressor.option(“dead_code”)&&self instanceof AST_While){var
a=[];extract_declarations_from_unreachable_code(compressor,self.body,a);return
make_node(AST_BlockStatement,self,{body:a})}else{cond=make_node_from_constant(cond,self.condition).transform(compressor);self.condition=best_of_expression(cond,self.condition)}}if(self
instanceof AST_While){return
make_node(AST_For,self,self).optimize(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:self.body;if(first
instanceof AST_If){if(first.body instanceof
AST_Break&&compressor.loopcontrol_target(first.body.label)===compressor.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)===compressor.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){if(!compressor.option(“loops”))return
self;if(self.condition){var
cond=self.condition.evaluate(compressor);if(compressor.option(“dead_code”)&&!cond){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(cond!==self.condition){cond=make_node_from_constant(cond,self.condition).transform(compressor);self.condition=best_of_expression(cond,self.condition)}}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);if(cond!==self.condition){if(cond){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}).optimize(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}).optimize(compressor)}}cond=make_node_from_constant(cond,self.condition).transform(compressor);self.condition=best_of_expression(cond,self.condition)}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_length<self_condition_length;if(self.alternative&&negated_is_best){negated_is_best=false;self.condition=negated;var
tmp=self.body;self.body=self.alternative||make_node(AST_EmptyStatement,self);self.alternative=tmp}if(is_empty(self.body)&&is_empty(self.alternative)){return
make_node(AST_SimpleStatement,self.condition,{body:self.condition.clone()}).optimize(compressor)}if(self.body
instanceof AST_SimpleStatement&&self.alternative instanceof
AST_SimpleStatement){return
make_node(AST_SimpleStatement,self,{body:make_node(AST_Conditional,self,{condition:self.condition,consequent:self.body.body,alternative:self.alternative.body})}).optimize(compressor)}if(is_empty(self.alternative)&&self.body
instanceof
AST_SimpleStatement){if(self_condition_length===negated_length&&!negated_is_best&&self.condition
instanceof
AST_Binary&&self.condition.operator==“||”){negated_is_best=true}if(negated_is_best)return
make_node(AST_SimpleStatement,self,{body:make_node(AST_Binary,self,{operator:“||”,left:negated,right:self.body.body})}).optimize(compressor);return
make_node(AST_SimpleStatement,self,{body:make_node(AST_Binary,self,{operator:“&&”,left:self.condition,right:self.body.body})}).optimize(compressor)}if(self.body
instanceof AST_EmptyStatement&&self.alternative instanceof
AST_SimpleStatement){return
make_node(AST_SimpleStatement,self,{body:make_node(AST_Binary,self,{operator:“||”,left:self.condition,right:self.alternative.body})}).optimize(compressor)}if(self.body
instanceof AST_Exit&&self.alternative instanceof
AST_Exit&&self.body.TYPE==self.alternative.TYPE){return
make_node(self.body.CTOR,self,{value:make_node(AST_Conditional,self,{condition:self.condition,consequent:self.body.value||make_node(AST_Undefined,self.body),alternative:self.alternative.value||make_node(AST_Undefined,self.alternative)}).transform(compressor)}).optimize(compressor)}if(self.body
instanceof
AST_If&&!self.body.alternative&&!self.alternative){self=make_node(AST_If,self,{condition:make_node(AST_Binary,self.condition,{operator:“&&”,left:self.condition,right:self.body.condition}),body:self.body.body,alternative:null})}if(aborts(self.body)){if(self.alternative){var
alt=self.alternative;self.alternative=null;return
make_node(AST_BlockStatement,self,{body:}).optimize(compressor)}}if(aborts(self.alternative)){var
body=self.body;self.body=self.alternative;self.condition=negated_is_best?negated:self.condition.negate(compressor);self.alternative=null;return
make_node(AST_BlockStatement,self,{body:}).optimize(compressor)}return
self});OPT(AST_Switch,function(self,compressor){if(!compressor.option(“switches”))return
self;var branch;var
value=self.expression.evaluate(compressor);if(value!==self.expression){var
expression=make_node_from_constant(value,self.expression).transform(compressor);self.expression=best_of_expression(expression,self.expression)}if(!compressor.option(“dead_code”))return
self;var decl=[];var body=[];var default_branch;var exact_match;for(var
i=0,len=self.body.length;i<len&&!exact_match;i++){branch=self.body;if(branch instanceof
AST_Default){if(!default_branch){default_branch=branch}else{eliminate_branch(branch,body)}}else
if(value!==self.expression){var
exp=branch.expression.evaluate(compressor);if(exp===value){exact_match=branch;if(default_branch){var
default_index=body.indexOf(default_branch);body.splice(default_index,1);eliminate_branch(default_branch,body);default_branch=null}}else
if(exp!==branch.expression){eliminate_branch(branch,body);continue}}if(aborts(branch)){var
prev=body;if(aborts(prev)&&prev.body.length==branch.body.length&&make_node(AST_BlockStatement,prev,prev).equivalent_to(make_node(AST_BlockStatement,branch,branch))){prev.body=[]}}body.push(branch)}while(iself.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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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;i<body.length;i++){if(in_directive&&bodyinstanceof AST_Statement&&body.body instanceof AST_String){body=new AST_Directive({start:body.start,end:body.end,value:body.body.value})}else if(in_directive&&!(bodyinstanceof AST_Statement&&body.body instanceof
AST_String)){in_directive=false}}return body};var
MOZ_TO_ME={Program:function(M){return new
AST_Toplevel({start:my_start_token(M),end:my_end_token(M),body:normalize_directives(M.body.map(from_moz))})},FunctionDeclaration:function(M){return
new
AST_Defun({start:my_start_token(M),end:my_end_token(M),name:from_moz(M.id),argnames:M.params.map(from_moz),body:normalize_directives(from_moz(M.body).body)})},FunctionExpression:function(M){return
new
AST_Function({start:my_start_token(M),end:my_end_token(M),name:from_moz(M.id),argnames:M.params.map(from_moz),body:normalize_directives(from_moz(M.body).body)})},ExpressionStatement:function(M){return
new
AST_SimpleStatement({start:my_start_token(M),end:my_end_token(M),body:from_moz(M.expression)})},TryStatement:function(M){var
handlers=M.handlers||;if(handlers.length>1||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),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;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(/*$/)[0]}}});def_to_moz(AST_Constant,function
To_Moz_Literal(M){var value=M.value;if(typeof
value===“number”&&(value<0||value===0&&1/value<0)){return{type:“UnaryExpression”,operator:“-”,prefix:true,argument:{type:“Literal”,value:-value,raw:M.start.raw}}}return{type:“Literal”,value:value,raw:M.start.raw}});def_to_moz(AST_Atom,function
To_Moz_Atom(M){return{type:“Identifier”,name:String(M.value)}});AST_Boolean.DEFMETHOD(“to_mozilla_ast”,AST_Constant.prototype.to_mozilla_ast);AST_Null.DEFMETHOD(“to_mozilla_ast”,AST_Constant.prototype.to_mozilla_ast);AST_Hole.DEFMETHOD(“to_mozilla_ast”,function
To_Moz_ArrayHole(){return
null});AST_Block.DEFMETHOD(“to_mozilla_ast”,AST_BlockStatement.prototype.to_mozilla_ast);AST_Lambda.DEFMETHOD(“to_mozilla_ast”,AST_Function.prototype.to_mozilla_ast);function
raw_token(moznode){if(moznode.type==“Literal”){return
moznode.raw!=null?moznode.raw:moznode.value+“”}}function
my_start_token(moznode){var
loc=moznode.loc,start=loc&&loc.start;var range=moznode.range;return
new AST_Token({file:loc&&loc.source,line:start&&start.line,col:start&&start.column,pos:range?range:moznode.start,endline:start&&start.line,endcol:start&&start.column,endpos:range?range:moznode.start,raw:raw_token(moznode)})}function
my_end_token(moznode){var loc=moznode.loc,end=loc&&loc.end;var
range=moznode.range;return new AST_Token({file:loc&&loc.source,line:end&&end.line,col:end&&end.column,pos:range?range:moznode.end,endline:end&&end.line,endcol:end&&end.column,endpos:range?range:moznode.end,raw:raw_token(moznode)})}function
map(moztype,mytype,propmap){var moz_to_me=“function
From_Moz_”moztype
“(M){n”;moz_to_me+=“return new
U2.”mytype.name
“({n”+“start: my_start_token(M),n”+“end:
my_end_token(M)”;var me_to_moz=“function
To_Moz_”moztype
“(M){n”;me_to_moz+=“return {n”+“type:
”+JSON.stringify(moztype);if(propmap)propmap.split(/s*,s*/).forEach(function(prop){var
m=/(+)(=|@|>|%)([a-z0-9$_]+)/i.exec(prop);if(!m)throw
new Error(“Can't understand property map: ”+prop);var moz=m,how=m,my=m;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=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):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=}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 <mihai.bazon@gmail.com> http://mihai.bazon.net/blog Distributed under the BSD license: Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com> 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=[];.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,{cache:null,debug:false,ignore_quoted:false,only_cache:false,regex:null,reserved:null});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(/^+$/.test(name))return false;return true}function
should_mangle(name){if(ignore_quoted&&name in ignored)return
false;if(regex&&!regex.test(name))return
false;if(reserved.indexOf(name)>=0)return false;return
cache.props.has(name)||names_to_mangle.indexOf(name)>=0}function
add(name,ignore){if(ignore){ignored=true;return}if(can_mangle(name))push_uniq(names_to_mangle,name);if(!should_mangle(name)){push_uniq(unmangleable,name)}}function
mangle(name){if(!should_mangle(name)){return name}var
mangled=cache.props.get(name);if(!mangled){if(debug){var
debug_mangled=“_$”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;exports=DefaultsError;exports=Dictionary;exports=JS_Parse_Error;exports=MAP;exports=OutputStream;exports=SourceMap;exports=TreeTransformer;exports=TreeWalker;exports=base54;exports=defaults;exports=mangle_properties;exports=merge;exports=parse;exports=push_uniq;exports=string_template;exports=tokenizer;exports=is_identifier;exports=SymbolDef;global=exports})({},function(){return
this}());