#!/usr/bin/rhino // (C)2002 Douglas Crockford // www.JSLint.com // Rhino Edition "use strict";var JSLINT=(function(){var 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'},tt:{},u:{},ul:{},'var':{}},ids,implied,inblock,indent,jsonmode,lines,lookahead,member,membersOnly,nexttoken,noreach,option,predefined,prereg,prevtoken,rhino={defineClass:false,deserialize:false,gc:false,help:false,load:false,loadClass:false,print:false,quit:false,readFile:false,readUrl:false,runCommand:false,seal:false,serialize:false,spawn:false,sync:false,toint32:false,version:false},scope,sidebar={System:false},src,stack,standard={Array:false,Boolean:false,Date:false,decodeURI:false,decodeURIComponent:false,encodeURI:false,encodeURIComponent:false,Error:false,'eval':false,EvalError:false,Function:false,hasOwnProperty:false,isFinite:false,isNaN:false,JSON:false,Math:false,Number:false,Object:false,parseInt:false,parseFloat:false,RangeError:false,ReferenceError:false,RegExp:false,String:false,SyntaxError:false,TypeError:false,URIError:false},standard_member={E:true,LN2:true,LN10:true,LOG2E:true,LOG10E:true,PI:true,SQRT1_2:true,SQRT2:true,MAX_VALUE:true,MIN_VALUE:true,NEGATIVE_INFINITY:true,POSITIVE_INFINITY:true},strict_mode,syntax={},tab,token,urls,warnings,widget={alert:true,animator:true,appleScript:true,beep:true,bytesToUIString:true,Canvas:true,chooseColor:true,chooseFile:true,chooseFolder:true,closeWidget:true,COM:true,convertPathToHFS:true,convertPathToPlatform:true,CustomAnimation:true,escape:true,FadeAnimation:true,filesystem:true,Flash:true,focusWidget:true,form:true,FormField:true,Frame:true,HotKey:true,Image:true,include:true,isApplicationRunning:true,iTunes:true,konfabulatorVersion:true,log:true,md5:true,MenuItem:true,MoveAnimation:true,openURL:true,play:true,Point:true,popupMenu:true,preferenceGroups:true,preferences:true,print:true,prompt:true,random:true,Rectangle:true,reloadWidget:true,ResizeAnimation:true,resolvePath:true,resumeUpdates:true,RotateAnimation:true,runCommand:true,runCommandInBg:true,saveAs:true,savePreferences:true,screen:true,ScrollBar:true,showWidgetPreferences:true,sleep:true,speak:true,Style:true,suppressUpdates:true,system:true,tellWidget:true,Text:true,TextArea:true,Timer:true,unescape:true,updateNow:true,URL:true,Web:true,widget:true,Window:true,XMLDOM:true,XMLHttpRequest:true,yahooCheckLogin:true,yahooLogin:true,yahooLogout:true},xmode,xquote,ax=/@cc|<\/?|script|\]*s\]|<\s*!|</i,cx=/[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,tx=/^\s*([(){}\[.,:;'"~\?\]#@]|==?=?|\/(\*(jslint|members?|global)?|=|\/)?|\*[\/=]?|\+[+=]?|-[\-=]?|%=?|&[&=]?|\|[|=]?|>>?>?=?|<([\/=!]|\!(\[|--)?|<=?)?|\^=?|\!=?=?|[a-zA-Z_$][a-zA-Z0-9_$]*|[0-9]+([xX][0-9a-fA-F]+|\.[0-9]*)?([eE][+\-]?[0-9]+)?)/,hx=/^\s*(['"=>\/&#]|<(?:\/|\!(?:--)?)?|[a-zA-Z][a-zA-Z0-9_\-]*|[0-9]+|--|.)/,nx=/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/,nxg=/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,ox=/[>&]|<[\/!]?|--/,lx=/\*\/|\/\*/,ix=/^([a-zA-Z_$][a-zA-Z0-9_$]*)$/,jx=/^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i,ux=/&|\+|\u00AD|\.\.|\/\*|%[^;]|base64|url|expression|data|mailto/i,sx=/^\s*([{:#%.=,>+\[\]@()"';]|\*=?|\$=|\|=|\^=|~=|[a-zA-Z_][a-zA-Z0-9_\-]*|[0-9]+|<\/|\/\*)/,ssx=/^\s*([@#!"'};:\-%.=,+\[\]()*_]|[a-zA-Z][a-zA-Z0-9._\-]*|\/\*?|\d+(?:\.\d+)?|<\/)/,qx=/[^a-zA-Z0-9-_\/ 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q=true;break;default:q=true;}}while(c);break;case'.':if(option.regexp){warningAt("Insecure '{a}'.",line,from+l,c);} break;case']':case'?':case'{':case'}':case'+':case'*':warningAt("Unescaped '{a}'.",line,from+l,c);break;case'<':if(xmode==='script'){c=s.charAt(l);if(c==='!'||c==='/'){warningAt("HTML confusion in regular expression '<{a}'.",line,from+l,c);}}} if(b){switch(s.charAt(l)){case'?':case'+':case'*':l+=1;if(s.charAt(l)==='?'){l+=1;} break;case'{':l+=1;c=s.charAt(l);if(c<'0'||c>'9'){warningAt("Expected a number and instead saw '{a}'.",line,from+l,c);} l+=1;low=+c;for(;;){c=s.charAt(l);if(c<'0'||c>'9'){break;} l+=1;low=+c+(low*10);} high=low;if(c===','){l+=1;high=Infinity;c=s.charAt(l);if(c>='0'&&c<='9'){l+=1;high=+c;for(;;){c=s.charAt(l);if(c<'0'||c>'9'){break;} l+=1;high=+c+(high*10);}}} if(s.charAt(l)!=='}'){warningAt("Expected '{a}' and instead saw '{b}'.",line,from+l,'}',c);}else{l+=1;} if(s.charAt(l)==='?'){l+=1;} if(low>high){warningAt("'{a}' should not be greater than '{b}'.",line,from+l,low,high);}}}} c=s.substr(0,l-1);character+=l;s=s.substr(l);return it('(regexp)',c);} return it('(punctuator)',t);case'.",line,character);} character+=3;s=s.slice(i+3);break;case'#':if(xmode==='html'||xmode==='styleproperty'){for(;;){c=s.charAt(0);if((c<'0'||c>'9')&&(c<'a'||c>'f')&&(c<'A'||c>'F')){break;} character+=1;s=s.substr(1);t+=c;} if(t.length!==4&&t.length!==7){warningAt("Bad hex color '{a}'.",line,from+l,t);} return it('(color)',t);} return it('(punctuator)',t);default:if(xmode==='outer'&&c==='&'){character+=1;s=s.substr(1);for(;;){c=s.charAt(0);character+=1;s=s.substr(1);if(c===';'){break;} if(!((c>='0'&&c<='9')||(c>='a'&&c<='z')||c==='#')){errorAt("Bad entity",line,from+l,character);}} break;} return it('(punctuator)',t);}}}}};}());function addlabel(t,type){if(option.safe&&funct['(global)']&&typeof predefined[t]!=='boolean'){warning('ADsafe global: '+t+'.',token);}else if(t==='hasOwnProperty'){warning("'hasOwnProperty' is a really bad name.");} if(is_own(funct,t)&&!funct['(global)']){warning(funct[t]===true?"'{a}' was used before it was defined.":"'{a}' is already defined.",nexttoken,t);} funct[t]=type;if(funct['(global)']){global[t]=funct;if(is_own(implied,t)){warning("'{a}' was used before it was defined.",nexttoken,t);delete implied[t];}}else{scope[t]=funct;}} function doOption(){var b,obj,filter,o=nexttoken.value,t,v;switch(o){case'*/':error("Unbegun comment.");break;case'/*members':case'/*member':o='/*members';if(!membersOnly){membersOnly={};} obj=membersOnly;break;case'/*jslint':if(option.safe){warning("ADsafe restriction.");} obj=option;filter=boolOptions;break;case'/*global':if(option.safe){warning("ADsafe restriction.");} obj=predefined;break;default:} t=lex.token();loop:for(;;){for(;;){if(t.type==='special'&&t.value==='*/'){break loop;} if(t.id!=='(endline)'&&t.id!==','){break;} t=lex.token();} if(t.type!=='(string)'&&t.type!=='(identifier)'&&o!=='/*members'){error("Bad option.",t);} v=lex.token();if(v.id===':'){v=lex.token();if(obj===membersOnly){error("Expected '{a}' and instead saw '{b}'.",t,'*/',':');} if(t.value==='indent'&&o==='/*jslint'){b=+v.value;if(typeof b!=='number'||!isFinite(b)||b<=0||Math.floor(b)!==b){error("Expected a small integer and instead saw '{a}'.",v,v.value);} obj.white=true;obj.indent=b;}else if(t.value==='maxerr'&&o==='/*jslint'){b=+v.value;if(typeof b!=='number'||!isFinite(b)||b<=0||Math.floor(b)!==b){error("Expected a small integer and instead saw '{a}'.",v,v.value);} obj.maxerr=b;}else if(v.value==='true'){obj[t.value]=true;}else if(v.value==='false'){obj[t.value]=false;}else{error("Bad option value.",v);} t=lex.token();}else{if(o==='/*jslint'){error("Missing option value.",t);} obj[t.value]=false;t=v;}} if(filter){assume();}} function peek(p){var i=p||0,j=0,t;while(j<=i){t=lookahead[j];if(!t){t=lookahead[j]=lex.token();} j+=1;} return t;} function advance(id,t){switch(token.id){case'(number)':if(nexttoken.id==='.'){warning("A dot following a number can be confused with a decimal point.",token);} break;case'-':if(nexttoken.id==='-'||nexttoken.id==='--'){warning("Confusing minusses.");} break;case'+':if(nexttoken.id==='+'||nexttoken.id==='++'){warning("Confusing plusses.");} break;} if(token.type==='(string)'||token.identifier){anonname=token.value;} if(id&&nexttoken.id!==id){if(t){if(nexttoken.id==='(end)'){warning("Unmatched '{a}'.",t,t.id);}else{warning("Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",nexttoken,id,t.id,t.line,nexttoken.value);}}else if(nexttoken.type!=='(identifier)'||nexttoken.value!==id){warning("Expected '{a}' and instead saw '{b}'.",nexttoken,id,nexttoken.value);}} prevtoken=token;token=nexttoken;for(;;){nexttoken=lookahead.shift()||lex.token();if(nexttoken.id==='(end)'||nexttoken.id==='(error)'){return;} if(nexttoken.type==='special'){doOption();}else{if(nexttoken.id!=='(endline)'){break;}}}} function parse(rbp,initial){var left;if(nexttoken.id==='(end)'){error("Unexpected early end of program.",token);} advance();if(option.safe&&typeof predefined[token.value]==='boolean'&&(nexttoken.id!=='('&&nexttoken.id!=='.')){warning('ADsafe violation.',token);} if(initial){anonname='anonymous';funct['(verb)']=token.value;} if(initial===true&&token.fud){left=token.fud();}else{if(token.nud){left=token.nud();}else{if(nexttoken.type==='(number)'&&token.id==='.'){warning("A leading decimal point can be confused with a dot: '.{a}'.",token,nexttoken.value);advance();return token;}else{error("Expected an identifier and instead saw '{a}'.",token,token.id);}} while(rbp='a'&&c<='z')||(c>='A'&&c<='Z')){x.identifier=x.reserved=true;} return x;} function prefix(s,f){var x=symbol(s,150);reserveName(x);x.nud=(typeof f==='function')?f:function(){this.right=parse(150);this.arity='unary';if(this.id==='++'||this.id==='--'){if(option.plusplus){warning("Unexpected use of '{a}'.",this,this.id);}else if((!this.right.identifier||this.right.reserved)&&this.right.id!=='.'&&this.right.id!=='['){warning("Bad operand.",this);}} return this;};return x;} function type(s,f){var x=delim(s);x.type=s;x.nud=f;return x;} function reserve(s,f){var x=type(s,f);x.identifier=x.reserved=true;return x;} function reservevar(s,v){return reserve(s,function(){if(this.id==='this'||this.id==='arguments'){if(strict_mode&&funct['(global)']){warning("Strict violation.",this);}else if(option.safe){warning("ADsafe violation.",this);}} return this;});} function infix(s,f,p,w){var x=symbol(s,p);reserveName(x);x.led=function(left){if(!w){nobreaknonadjacent(prevtoken,token);nonadjacent(token,nexttoken);} if(typeof f==='function'){return f(left,this);}else{this.left=left;this.right=parse(p);return this;}};return x;} function relation(s,f){var x=symbol(s,100);x.led=function(left){nobreaknonadjacent(prevtoken,token);nonadjacent(token,nexttoken);var right=parse(100);if((left&&left.id==='NaN')||(right&&right.id==='NaN')){warning("Use the isNaN function to compare with NaN.",this);}else if(f){f.apply(this,[left,right]);} if(left.id==='!'){warning("Confusing use of '{a}'.",left,'!');} if(right.id==='!'){warning("Confusing use of '{a}'.",left,'!');} this.left=left;this.right=right;return this;};return x;} function isPoorRelation(node){return node&&((node.type==='(number)'&&+node.value===0)||(node.type==='(string)'&&node.value===' ')||node.type==='true'||node.type==='false'||node.type==='undefined'||node.type==='null');} function assignop(s,f){symbol(s,20).exps=true;return infix(s,function(left,that){var l;that.left=left;if(predefined[left.value]===false&&scope[left.value]['(global)']===true){warning('Read only.',left);} if(option.safe){l=left;do{if(typeof predefined[l.value]==='boolean'){warning('ADsafe violation.',l);} l=l.left;}while(l);} if(left){if(left.id==='.'||left.id==='['){if(!left.left||left.left.value==='arguments'){warning('Bad assignment.',that);} that.right=parse(19);return that;}else if(left.identifier&&!left.reserved){if(funct[left.value]==='exception'){warning("Do not assign to the exception parameter.",left);} that.right=parse(19);return that;} if(left===syntax['function']){warning("Expected an identifier in an assignment and instead saw a function invocation.",token);}} error("Bad assignment.",that);},20);} function bitwise(s,f,p){var x=symbol(s,p);reserveName(x);x.led=(typeof f==='function')?f:function(left){if(option.bitwise){warning("Unexpected use of '{a}'.",this,this.id);} this.left=left;this.right=parse(p);return this;};return x;} function bitwiseassignop(s){symbol(s,20).exps=true;return infix(s,function(left,that){if(option.bitwise){warning("Unexpected use of '{a}'.",that,that.id);} nonadjacent(prevtoken,token);nonadjacent(token,nexttoken);if(left){if(left.id==='.'||left.id==='['||(left.identifier&&!left.reserved)){parse(19);return that;} if(left===syntax['function']){warning("Expected an identifier in an assignment, and instead saw a function invocation.",token);} return that;} error("Bad assignment.",that);},20);} function suffix(s,f){var x=symbol(s,150);x.led=function(left){if(option.plusplus){warning("Unexpected use of '{a}'.",this,this.id);}else if((!left.identifier||left.reserved)&&left.id!=='.'&&left.id!=='['){warning("Bad operand.",this);} this.left=left;return this;};return x;} function optionalidentifier(){if(nexttoken.reserved){warning("Expected an identifier and instead saw '{a}' (a reserved word).",nexttoken,nexttoken.id);} if(nexttoken.identifier){advance();return token.value;}} function identifier(){var i=optionalidentifier();if(i){return i;} if(token.id==='function'&&nexttoken.id==='('){warning("Missing name in function statement.");}else{error("Expected an identifier and instead saw '{a}'.",nexttoken,nexttoken.value);}} function reachable(s){var i=0,t;if(nexttoken.id!==';'||noreach){return;} for(;;){t=peek(i);if(t.reach){return;} if(t.id!=='(endline)'){if(t.id==='function'){warning("Inner functions should be listed at the top of the outer function.",t);break;} warning("Unreachable '{a}' after '{b}'.",t,t.value,s);break;} i+=1;}} function statement(noindent){var i=indent,r,s=scope,t=nexttoken;if(t.id===';'){warning("Unnecessary semicolon.",t);advance(';');return;} if(t.identifier&&!t.reserved&&peek().id===':'){advance();advance(':');scope=Object.create(s);addlabel(t.value,'label');if(!nexttoken.labelled){warning("Label '{a}' on {b} statement.",nexttoken,t.value,nexttoken.value);} if(jx.test(t.value+':')){warning("Label '{a}' looks like a javascript url.",t,t.value);} nexttoken.label=t.value;t=nexttoken;} if(!noindent){indentation();} if(nexttoken.id==='new'){warning("'new' should not be used as a statement.");} r=parse(0,true);if(!t.block){if(!r||!r.exps){warning("Expected an assignment or function call and instead saw an expression.",token);} if(nexttoken.id!==';'){warningAt("Missing semicolon.",token.line,token.from+token.value.length);}else{adjacent(token,nexttoken);advance(';');nonadjacent(token,nexttoken);}} indent=i;scope=s;return r;} function use_strict(){if(nexttoken.value==='use strict'){advance();advance(';');strict_mode=true;return true;}else{return false;}} function statements(begin){var a=[],f,p;if(begin&&!use_strict()&&option.strict){warning('Missing "use strict" statement.',nexttoken);} if(option.adsafe){switch(begin){case'script':if(!adsafe_may){if(nexttoken.value!=='ADSAFE'||peek(0).id!=='.'||(peek(1).value!=='id'&&peek(1).value!=='go')){error('ADsafe violation: Missing ADSAFE.id or ADSAFE.go.',nexttoken);}} if(nexttoken.value==='ADSAFE'&&peek(0).id==='.'&&peek(1).value==='id'){if(adsafe_may){error('ADsafe violation.',nexttoken);} advance('ADSAFE');advance('.');advance('id');advance('(');if(nexttoken.value!==adsafe_id){error('ADsafe violation: id does not match.',nexttoken);} advance('(string)');advance(')');advance(';');adsafe_may=true;} break;case'lib':if(nexttoken.value==='ADSAFE'){advance('ADSAFE');advance('.');advance('lib');advance('(');advance('(string)');comma();f=parse(0);if(f.id!=='function'){error('The second argument to lib must be a function.',f);} p=f.funct['(params)'];p=p&&p.join(', ');if(p&&p!=='lib'){error("Expected '{a}' and instead saw '{b}'.",f,'(lib)','('+p+')');} advance(')');advance(';');return a;}else{error("ADsafe lib violation.");}}} while(!nexttoken.reach&&nexttoken.id!=='(end)'){if(nexttoken.id===';'){warning("Unnecessary semicolon.");advance(';');}else{a.push(statement());}} return a;} function block(f){var a,b=inblock,old_indent=indent,s=scope,t;inblock=f;scope=Object.create(scope);nonadjacent(token,nexttoken);t=nexttoken;if(nexttoken.id==='{'){advance('{');if(nexttoken.id!=='}'||token.line!==nexttoken.line){indent+=option.indent;while(!f&&nexttoken.from>indent){indent+=option.indent;} if(!f){use_strict();} a=statements();indent-=option.indent;indentation();} advance('}',t);indent=old_indent;}else{warning("Expected '{a}' and instead saw '{b}'.",nexttoken,'{',nexttoken.value);noreach=true;a=[statement()];noreach=false;} funct['(verb)']=null;scope=s;inblock=b;return a;} function idValue(){return this;} function countMember(m){if(membersOnly&&typeof membersOnly[m]!=='boolean'){warning("Unexpected /*member '{a}'.",token,m);} if(typeof member[m]==='number'){member[m]+=1;}else{member[m]=1;}} function note_implied(token){var name=token.value,line=token.line,a=implied[name];if(typeof a==='function'){a=false;} if(!a){a=[line];implied[name]=a;}else if(a[a.length-1]!==line){a.push(line);}} function cssName(){if(nexttoken.identifier){advance();return true;}} function cssNumber(){if(nexttoken.id==='-'){advance('-');adjacent();nolinebreak();} if(nexttoken.type==='(number)'){advance('(number)');return true;}} function cssString(){if(nexttoken.type==='(string)'){advance();return true;}} function cssColor(){var i,number;if(nexttoken.identifier){if(nexttoken.value==='rgb'){advance();advance('(');for(i=0;i<3;i+=1){if(i){advance(',');} number=nexttoken.value;if(nexttoken.type!=='(number)'||number<0){warning("Expected a positive number and instead saw '{a}'",nexttoken,number);advance();}else{advance();if(nexttoken.id==='%'){advance('%');if(number>100){warning("Expected a percentage and instead saw '{a}'",token,number);}}else{if(number>255){warning("Expected a small number and instead saw '{a}'",token,number);}}}} advance(')');return true;}else if(cssColorData[nexttoken.value]===true){advance();return true;}}else if(nexttoken.type==='(color)'){advance();return true;} return false;} function cssLength(){if(nexttoken.id==='-'){advance('-');adjacent();nolinebreak();} if(nexttoken.type==='(number)'){advance();if(nexttoken.type!=='(string)'&&cssLengthData[nexttoken.value]===true){adjacent();advance();}else if(+token.value!==0){warning("Expected a linear unit and instead saw '{a}'.",nexttoken,nexttoken.value);} return true;} return false;} function cssLineHeight(){if(nexttoken.id==='-'){advance('-');adjacent();} if(nexttoken.type==='(number)'){advance();if(nexttoken.type!=='(string)'&&cssLengthData[nexttoken.value]===true){adjacent();advance();} return true;} return false;} function cssWidth(){if(nexttoken.identifier){switch(nexttoken.value){case'thin':case'medium':case'thick':advance();return true;}}else{return cssLength();}} function cssMargin(){if(nexttoken.identifier){if(nexttoken.value==='auto'){advance();return true;}}else{return cssLength();}} function cssAttr(){if(nexttoken.identifier&&nexttoken.value==='attr'){advance();advance('(');if(!nexttoken.identifier){warning("Expected a name and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();advance(')');return true;} return false;} function cssCommaList(){while(nexttoken.id!==';'){if(!cssName()&&!cssString()){warning("Expected a name and instead saw '{a}'.",nexttoken,nexttoken.value);} if(nexttoken.id!==','){return true;} comma();}} function cssCounter(){if(nexttoken.identifier&&nexttoken.value==='counter'){advance();advance('(');if(!nexttoken.identifier){} advance();if(nexttoken.id===','){comma();if(nexttoken.type!=='(string)'){warning("Expected a string and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();} advance(')');return true;} if(nexttoken.identifier&&nexttoken.value==='counters'){advance();advance('(');if(!nexttoken.identifier){warning("Expected a name and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();if(nexttoken.id===','){comma();if(nexttoken.type!=='(string)'){warning("Expected a string and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();} if(nexttoken.id===','){comma();if(nexttoken.type!=='(string)'){warning("Expected a string and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();} advance(')');return true;} return false;} function cssShape(){var i;if(nexttoken.identifier&&nexttoken.value==='rect'){advance();advance('(');for(i=0;i<4;i+=1){if(!cssLength()){warning("Expected a number and instead saw '{a}'.",nexttoken,nexttoken.value);break;}} advance(')');return true;} return false;} function cssUrl(){var c,url;if(nexttoken.identifier&&nexttoken.value==='url'){nexttoken=lex.range('(',')');url=nexttoken.value;c=url.charAt(0);if(c==='"'||c==='\''){if(url.slice(-1)!==c){warning("Bad url string.");}else{url=url.slice(1,-1);if(url.indexOf(c)>=0){warning("Bad url string.");}}} if(!url){warning("Missing url.");} advance();if(option.safe&&ux.test(url)){error("ADsafe URL violation.");} urls.push(url);return true;} return false;} cssAny=[cssUrl,function(){for(;;){if(nexttoken.identifier){switch(nexttoken.value.toLowerCase()){case'url':cssUrl();break;case'expression':warning("Unexpected expression '{a}'.",nexttoken,nexttoken.value);advance();break;default:advance();}}else{if(nexttoken.id===';'||nexttoken.id==='!'||nexttoken.id==='(end)'||nexttoken.id==='}'){return true;} advance();}}}];cssBorderStyle=['none','hidden','dotted','dashed','solid','double','ridge','inset','outset'];cssBreak=['auto','always','avoid','left','right'];cssOverflow=['auto','hidden','scroll','visible'];cssAttributeData={background:[true,'background-attachment','background-color','background-image','background-position','background-repeat'],'background-attachment':['scroll','fixed'],'background-color':['transparent',cssColor],'background-image':['none',cssUrl],'background-position':[2,[cssLength,'top','bottom','left','right','center']],'background-repeat':['repeat','repeat-x','repeat-y','no-repeat'],'border':[true,'border-color','border-style','border-width'],'border-bottom':[true,'border-bottom-color','border-bottom-style','border-bottom-width'],'border-bottom-color':cssColor,'border-bottom-style':cssBorderStyle,'border-bottom-width':cssWidth,'border-collapse':['collapse','separate'],'border-color':['transparent',4,cssColor],'border-left':[true,'border-left-color','border-left-style','border-left-width'],'border-left-color':cssColor,'border-left-style':cssBorderStyle,'border-left-width':cssWidth,'border-right':[true,'border-right-color','border-right-style','border-right-width'],'border-right-color':cssColor,'border-right-style':cssBorderStyle,'border-right-width':cssWidth,'border-spacing':[2,cssLength],'border-style':[4,cssBorderStyle],'border-top':[true,'border-top-color','border-top-style','border-top-width'],'border-top-color':cssColor,'border-top-style':cssBorderStyle,'border-top-width':cssWidth,'border-width':[4,cssWidth],bottom:[cssLength,'auto'],'caption-side':['bottom','left','right','top'],clear:['both','left','none','right'],clip:[cssShape,'auto'],color:cssColor,content:['open-quote','close-quote','no-open-quote','no-close-quote',cssString,cssUrl,cssCounter,cssAttr],'counter-increment':[cssName,'none'],'counter-reset':[cssName,'none'],cursor:[cssUrl,'auto','crosshair','default','e-resize','help','move','n-resize','ne-resize','nw-resize','pointer','s-resize','se-resize','sw-resize','w-resize','text','wait'],direction:['ltr','rtl'],display:['block','compact','inline','inline-block','inline-table','list-item','marker','none','run-in','table','table-caption','table-cell','table-column','table-column-group','table-footer-group','table-header-group','table-row','table-row-group'],'empty-cells':['show','hide'],'float':['left','none','right'],font:['caption','icon','menu','message-box','small-caption','status-bar',true,'font-size','font-style','font-weight','font-family'],'font-family':cssCommaList,'font-size':['xx-small','x-small','small','medium','large','x-large','xx-large','larger','smaller',cssLength],'font-size-adjust':['none',cssNumber],'font-stretch':['normal','wider','narrower','ultra-condensed','extra-condensed','condensed','semi-condensed','semi-expanded','expanded','extra-expanded'],'font-style':['normal','italic','oblique'],'font-variant':['normal','small-caps'],'font-weight':['normal','bold','bolder','lighter',cssNumber],height:[cssLength,'auto'],left:[cssLength,'auto'],'letter-spacing':['normal',cssLength],'line-height':['normal',cssLineHeight],'list-style':[true,'list-style-image','list-style-position','list-style-type'],'list-style-image':['none',cssUrl],'list-style-position':['inside','outside'],'list-style-type':['circle','disc','square','decimal','decimal-leading-zero','lower-roman','upper-roman','lower-greek','lower-alpha','lower-latin','upper-alpha','upper-latin','hebrew','katakana','hiragana-iroha','katakana-oroha','none'],margin:[4,cssMargin],'margin-bottom':cssMargin,'margin-left':cssMargin,'margin-right':cssMargin,'margin-top':cssMargin,'marker-offset':[cssLength,'auto'],'max-height':[cssLength,'none'],'max-width':[cssLength,'none'],'min-height':cssLength,'min-width':cssLength,opacity:cssNumber,outline:[true,'outline-color','outline-style','outline-width'],'outline-color':['invert',cssColor],'outline-style':['dashed','dotted','double','groove','inset','none','outset','ridge','solid'],'outline-width':cssWidth,overflow:cssOverflow,'overflow-x':cssOverflow,'overflow-y':cssOverflow,padding:[4,cssLength],'padding-bottom':cssLength,'padding-left':cssLength,'padding-right':cssLength,'padding-top':cssLength,'page-break-after':cssBreak,'page-break-before':cssBreak,position:['absolute','fixed','relative','static'],quotes:[8,cssString],right:[cssLength,'auto'],'table-layout':['auto','fixed'],'text-align':['center','justify','left','right'],'text-decoration':['none','underline','overline','line-through','blink'],'text-indent':cssLength,'text-shadow':['none',4,[cssColor,cssLength]],'text-transform':['capitalize','uppercase','lowercase','none'],top:[cssLength,'auto'],'unicode-bidi':['normal','embed','bidi-override'],'vertical-align':['baseline','bottom','sub','super','top','text-top','middle','text-bottom',cssLength],visibility:['visible','hidden','collapse'],'white-space':['normal','nowrap','pre','pre-line','pre-wrap','inherit'],width:[cssLength,'auto'],'word-spacing':['normal',cssLength],'word-wrap':['break-word','normal'],'z-index':['auto',cssNumber]};function styleAttribute(){var v;while(nexttoken.id==='*'||nexttoken.id==='#'||nexttoken.value==='_'){if(!option.css){warning("Unexpected '{a}'.",nexttoken,nexttoken.value);} advance();} if(nexttoken.id==='-'){if(!option.css){warning("Unexpected '{a}'.",nexttoken,nexttoken.value);} advance('-');if(!nexttoken.identifier){warning("Expected a non-standard style attribute and instead saw '{a}'.",nexttoken,nexttoken.value);} advance();return cssAny;}else{if(!nexttoken.identifier){warning("Excepted a style attribute, and instead saw '{a}'.",nexttoken,nexttoken.value);}else{if(is_own(cssAttributeData,nexttoken.value)){v=cssAttributeData[nexttoken.value];}else{v=cssAny;if(!option.css){warning("Unrecognized style attribute '{a}'.",nexttoken,nexttoken.value);}}} advance();return v;}} function styleValue(v){var i=0,n,once,match,round,start=0,vi;switch(typeof v){case'function':return v();case'string':if(nexttoken.identifier&&nexttoken.value===v){advance();return true;} return false;} for(;;){if(i>=v.length){return false;} vi=v[i];i+=1;if(vi===true){break;}else if(typeof vi==='number'){n=vi;vi=v[i];i+=1;}else{n=1;} match=false;while(n>0){if(styleValue(vi)){match=true;n-=1;}else{break;}} if(match){return true;}} start=i;once=[];for(;;){round=false;for(i=start;i':case'+':advance();styleSelector();break;case':':advance(':');switch(nexttoken.value){case'active':case'after':case'before':case'checked':case'disabled':case'empty':case'enabled':case'first-child':case'first-letter':case'first-line':case'first-of-type':case'focus':case'hover':case'last-of-type':case'link':case'only-of-type':case'root':case'target':case'visited':advance();break;case'lang':advance();advance('(');if(!nexttoken.identifier){warning("Expected a lang code, and instead saw :{a}.",nexttoken,nexttoken.value);} advance(')');break;case'nth-child':case'nth-last-child':case'nth-last-of-type':case'nth-of-type':advance();advance('(');styleChild();advance(')');break;case'not':advance();advance('(');if(nexttoken.id===':'&&peek(0).value==='not'){warning("Nested not.");} styleSelector();advance(')');break;default:warning("Expected a pseudo, and instead saw :{a}.",nexttoken,nexttoken.value);} break;case'#':advance('#');if(!nexttoken.identifier){warning("Expected an id, and instead saw #{a}.",nexttoken,nexttoken.value);} advance();break;case'*':advance('*');break;case'.':advance('.');if(!nexttoken.identifier){warning("Expected a class, and instead saw #.{a}.",nexttoken,nexttoken.value);} advance();break;case'[':advance('[');if(!nexttoken.identifier){warning("Expected an attribute, and instead saw [{a}].",nexttoken,nexttoken.value);} advance();if(nexttoken.id==='='||nexttoken.value==='~='||nexttoken.value==='$='||nexttoken.value==='|='||nexttoken.id==='*='||nexttoken.id==='^='){advance();if(nexttoken.type!=='(string)'){warning("Expected a string, and instead saw {a}.",nexttoken,nexttoken.value);} advance();} advance(']');break;default:error("Expected a CSS selector, and instead saw {a}.",nexttoken,nexttoken.value);}}} function stylePattern(){var name;if(nexttoken.id==='{'){warning("Expected a style pattern, and instead saw '{a}'.",nexttoken,nexttoken.id);}else if(nexttoken.id==='@'){advance('@');name=nexttoken.value;if(nexttoken.identifier&&atrule[name]===true){advance();return name;} warning("Expected an at-rule, and instead saw @{a}.",nexttoken,name);} for(;;){styleSelector();if(nexttoken.id===' fragments and .js files.",token);} if(option.fragment){if(n!=='div'){error("ADsafe violation: Wrap the widget in a div.",token);}}else{error("Use the fragment option.",token);}} option.browser=true;assume();} function doAttribute(n,a,v){var u,x;if(a==='id'){u=typeof v==='string'?v.toUpperCase():'';if(ids[u]===true){warning("Duplicate id='{a}'.",nexttoken,v);} if(option.adsafe){if(adsafe_id){if(v.slice(0,adsafe_id.length)!==adsafe_id){warning("ADsafe violation: An id must have a '{a}' prefix",nexttoken,adsafe_id);}else if(!/^[A-Z]+_[A-Z]+$/.test(v)){warning("ADSAFE violation: bad id.");}}else{adsafe_id=v;if(!/^[A-Z]+_$/.test(v)){warning("ADSAFE violation: bad id.");}}} x=v.search(dx);if(x>=0){warning("Unexpected character '{a}' in {b}.",token,v.charAt(x),a);} ids[u]=true;}else if(a==='class'||a==='type'||a==='name'){x=v.search(qx);if(x>=0){warning("Unexpected character '{a}' in {b}.",token,v.charAt(x),a);} ids[u]=true;}else if(a==='href'||a==='background'||a==='content'||a==='data'||a.indexOf('src')>=0||a.indexOf('url')>=0){if(option.safe&&ux.test(v)){error("ADsafe URL violation.");} urls.push(v);}else if(a==='for'){if(option.adsafe){if(adsafe_id){if(v.slice(0,adsafe_id.length)!==adsafe_id){warning("ADsafe violation: An id must have a '{a}' prefix",nexttoken,adsafe_id);}else if(!/^[A-Z]+_[A-Z]+$/.test(v)){warning("ADSAFE violation: bad id.");}}else{warning("ADSAFE violation: bad id.");}}}else if(a==='name'){if(option.adsafe&&v.indexOf('_')>=0){warning("ADsafe name violation.");}}} function doTag(n,a){var i,t=htmltag[n],x;src=false;if(!t){error("Unrecognized tag '<{a}>'.",nexttoken,n===n.toLowerCase()?n:n+' (capitalization error)');} if(stack.length>0){if(n==='html'){error("Too many tags.",token);} x=t.parent;if(x){if(x.indexOf(' '+stack[stack.length-1].name+' ')<0){error("A '<{a}>' must be within '<{b}>'.",token,n,x);}}else if(!option.adsafe&&!option.fragment){i=stack.length;do{if(i<=0){error("A '<{a}>' must be within '<{b}>'.",token,n,'body');} i-=1;}while(stack[i].name!=='body');}} switch(n){case'div':if(option.adsafe&&stack.length===1&&!adsafe_id){warning("ADSAFE violation: missing ID_.");} break;case'script':xmode='script';advance('>');indent=nexttoken.from;if(a.lang){warning("lang is deprecated.",token);} if(option.adsafe&&stack.length!==1){warning("ADsafe script placement violation.",token);} if(a.src){if(option.adsafe&&(!adsafe_may||!approved[a.src])){warning("ADsafe unapproved script source.",token);} if(a.type){warning("type is unnecessary.",token);}}else{if(adsafe_went){error("ADsafe script violation.",token);} statements('script');} xmode='html';advance('');styles();xmode='html';advance('';} function html(){var a,attributes,e,n,q,t,v,w=option.white,wmode;xmode='html';xquote='';stack=null;for(;;){switch(nexttoken.value){case'<':xmode='html';advance('<');attributes={};t=nexttoken;if(!t.identifier){warning("Bad identifier {a}.",t,t.value);} n=t.value;if(option.cap){n=n.toLowerCase();} t.name=n;advance();if(!stack){stack=[];doBegin(n);} v=htmltag[n];if(typeof v!=='object'){error("Unrecognized tag '<{a}>'.",t,n);} e=v.empty;t.type=n;for(;;){if(nexttoken.id==='/'){advance('/');if(nexttoken.id!=='>'){warning("Expected '{a}' and instead saw '{b}'.",nexttoken,'>',nexttoken.value);} break;} if(nexttoken.id&&nexttoken.id.substr(0,1)==='>'){break;} if(!nexttoken.identifier){if(nexttoken.id==='(end)'||nexttoken.id==='(error)'){error("Missing '>'.",nexttoken);} warning("Bad identifier.");} option.white=true;nonadjacent(token,nexttoken);a=nexttoken.value;option.white=w;advance();if(!option.cap&&a!==a.toLowerCase()){warning("Attribute '{a}' not all lower case.",nexttoken,a);} a=a.toLowerCase();xquote='';if(is_own(attributes,a)){warning("Attribute '{a}' repeated.",nexttoken,a);} if(a.slice(0,2)==='on'){if(!option.on){warning("Avoid HTML event handlers.");} xmode='scriptstring';advance('=');q=nexttoken.id;if(q!=='"'&&q!=="'"){error("Missing quote.");} xquote=q;wmode=option.white;option.white=false;advance(q);statements('on');option.white=wmode;if(nexttoken.id!==q){error("Missing close quote on script attribute.");} xmode='html';xquote='';advance(q);v=false;}else if(a==='style'){xmode='scriptstring';advance('=');q=nexttoken.id;if(q!=='"'&&q!=="'"){error("Missing quote.");} xmode='styleproperty';xquote=q;advance(q);substyle();xmode='html';xquote='';advance(q);v=false;}else{if(nexttoken.id==='='){advance('=');v=nexttoken.value;if(!nexttoken.identifier&&nexttoken.id!=='"'&&nexttoken.id!=='\''&&nexttoken.type!=='(string)'&&nexttoken.type!=='(number)'&&nexttoken.type!=='(color)'){warning("Expected an attribute value and instead saw '{a}'.",token,a);} advance();}else{v=true;}} attributes[a]=v;doAttribute(n,a,v);} doTag(n,attributes);if(!e){stack.push(t);} xmode='outer';advance('>');break;case''){error("Missing '{a}'.",nexttoken,'>');} xmode='outer';advance('>');break;case''||nexttoken.id==='(end)'){break;} if(nexttoken.value.indexOf('--')>=0){warning("Unexpected --.");} if(nexttoken.value.indexOf('<')>=0){warning("Unexpected <.");} if(nexttoken.value.indexOf('>')>=0){warning("Unexpected >.");}} xmode='outer';advance('>');break;case'(end)':return;default:if(nexttoken.id==='(end)'){error("Missing '{a}'.",nexttoken,'');}else{advance();}} if(stack&&stack.length===0&&(option.adsafe||!option.fragment||nexttoken.id==='(end)')){break;}} if(nexttoken.id!=='(end)'){error("Unexpected material after the end.");}} type('(number)',idValue);type('(string)',idValue);syntax['(identifier)']={type:'(identifier)',lbp:0,identifier:true,nud:function(){var v=this.value,s=scope[v],f;if(typeof s==='function'){s=undefined;}else if(typeof s==='boolean'){f=funct;funct=functions[0];addlabel(v,'var');s=funct;funct=f;} if(funct===s){switch(funct[v]){case'unused':funct[v]='var';break;case'label':warning("'{a}' is a statement label.",token,v);break;}}else if(funct['(global)']){if(option.undef&&predefined[v]!=='boolean'){warning("'{a}' is not defined.",token,v);} note_implied(token);}else{switch(funct[v]){case'closure':case'function':case'var':case'unused':warning("'{a}' used out of scope.",token,v);break;case'label':warning("'{a}' is a statement label.",token,v);break;case'outer':case'global':break;default:if(s===true){funct[v]=true;}else if(s===null){warning("'{a}' is not allowed.",token,v);note_implied(token);}else if(typeof s!=='object'){if(option.undef){warning("'{a}' is not defined.",token,v);}else{funct[v]=true;} note_implied(token);}else{switch(s[v]){case'function':case'var':case'unused':s[v]='closure';funct[v]=s['(global)']?'global':'outer';break;case'closure':case'parameter':funct[v]=s['(global)']?'global':'outer';break;case'label':warning("'{a}' is a statement label.",token,v);}}}} return this;},led:function(){error("Expected an operator and instead saw '{a}'.",nexttoken,nexttoken.value);}};type('(regexp)',function(){return this;});delim('(endline)');delim('(begin)');delim('(end)').reach=true;delim('');delim('(error)').reach=true;delim('}').reach=true;delim(')');delim(']');delim('"').reach=true;delim("'").reach=true;delim(';');delim(':').reach=true;delim(',');delim('#');delim('@');reserve('else');reserve('case').reach=true;reserve('catch');reserve('default').reach=true;reserve('finally');reservevar('arguments');reservevar('eval');reservevar('false');reservevar('Infinity');reservevar('NaN');reservevar('null');reservevar('this');reservevar('true');reservevar('undefined');assignop('=','assign',20);assignop('+=','assignadd',20);assignop('-=','assignsub',20);assignop('*=','assignmult',20);assignop('/=','assigndiv',20).nud=function(){error("A regular expression literal can be confused with '/='.");};assignop('%=','assignmod',20);bitwiseassignop('&=','assignbitand',20);bitwiseassignop('|=','assignbitor',20);bitwiseassignop('^=','assignbitxor',20);bitwiseassignop('<<=','assignshiftleft',20);bitwiseassignop('>>=','assignshiftright',20);bitwiseassignop('>>>=','assignshiftrightunsigned',20);infix('?',function(left,that){that.left=left;that.right=parse(10);advance(':');that['else']=parse(10);return that;},30);infix('||','or',40);infix('&&','and',50);bitwise('|','bitor',70);bitwise('^','bitxor',80);bitwise('&','bitand',90);relation('==',function(left,right){if(option.eqeqeq){warning("Expected '{a}' and instead saw '{b}'.",this,'===','==');}else if(isPoorRelation(left)){warning("Use '{a}' to compare with '{b}'.",this,'===',left.value);}else if(isPoorRelation(right)){warning("Use '{a}' to compare with '{b}'.",this,'===',right.value);} return this;});relation('===');relation('!=',function(left,right){if(option.eqeqeq){warning("Expected '{a}' and instead saw '{b}'.",this,'!==','!=');}else if(isPoorRelation(left)){warning("Use '{a}' to compare with '{b}'.",this,'!==',left.value);}else if(isPoorRelation(right)){warning("Use '{a}' to compare with '{b}'.",this,'!==',right.value);} return this;});relation('!==');relation('<');relation('>');relation('<=');relation('>=');bitwise('<<','shiftleft',120);bitwise('>>','shiftright',120);bitwise('>>>','shiftrightunsigned',120);infix('in','in',120);infix('instanceof','instanceof',120);infix('+',function(left,that){var right=parse(130);if(left&&right&&left.id==='(string)'&&right.id==='(string)'){left.value+=right.value;left.character=right.character;if(jx.test(left.value)){warning("JavaScript URL.",left);} return left;} that.left=left;that.right=right;return that;},130);prefix('+','num');infix('-','sub',130);prefix('-','neg');infix('*','mult',140);infix('/','div',140);infix('%','mod',140);suffix('++','postinc');prefix('++','preinc');syntax['++'].exps=true;suffix('--','postdec');prefix('--','predec');syntax['--'].exps=true;prefix('delete',function(){var p=parse(0);if(!p||(p.id!=='.'&&p.id!=='[')){warning("Expected '{a}' and instead saw '{b}'.",nexttoken,'.',nexttoken.value);} this.first=p;return this;}).exps=true;prefix('~',function(){if(option.bitwise){warning("Unexpected '{a}'.",this,'~');} parse(150);return this;});prefix('!',function(){this.right=parse(150);this.arity='unary';if(bang[this.right.id]===true){warning("Confusing use of '{a}'.",this,'!');} return this;});prefix('typeof','typeof');prefix('new',function(){var c=parse(155),i;if(c&&c.id!=='function'){if(c.identifier){c['new']=true;switch(c.value){case'Object':warning("Use the object literal notation {}.",token);break;case'Array':if(nexttoken.id!=='('){warning("Use the array literal notation [].",token);}else{advance('(');if(nexttoken.id===')'){warning("Use the array literal notation [].",token);}else{i=parse(0);c.dimension=i;if((i.id==='(number)'&&/[.+\-Ee]/.test(i.value))||(i.id==='-'&&!i.right)||i.id==='(string)'||i.id==='['||i.id==='{'||i.id==='true'||i.id==='false'||i.id==='null'||i.id==='undefined'||i.id==='Infinity'){warning("Use the array literal notation [].",token);} if(nexttoken.id!==')'){error("Use the array literal notation [].",token);}} advance(')');} this.first=c;return this;case'Number':case'String':case'Boolean':case'Math':case'JSON':warning("Do not use {a} as a constructor.",token,c.value);break;case'Function':if(!option.evil){warning("The Function constructor is eval.");} break;case'Date':case'RegExp':break;default:if(c.id!=='function'){i=c.value.substr(0,1);if(option.newcap&&(i<'A'||i>'Z')){warning("A constructor name should start with an uppercase letter.",token);}}}}else{if(c.id!=='.'&&c.id!=='['&&c.id!=='('){warning("Bad constructor.",token);}}}else{warning("Weird construction. Delete 'new'.",this);} adjacent(token,nexttoken);if(nexttoken.id!=='('){warning("Missing '()' invoking a constructor.");} this.first=c;return this;});syntax['new'].exps=true;infix('.',function(left,that){adjacent(prevtoken,token);var m=identifier();if(typeof m==='string'){countMember(m);} that.left=left;that.right=m;if(!option.evil&&left&&left.value==='document'&&(m==='write'||m==='writeln')){warning("document.write can be a form of eval.",left);}else if(option.adsafe){if(left&&left.value==='ADSAFE'){if(m==='id'||m==='lib'){warning("ADsafe violation.",that);}else if(m==='go'){if(xmode!=='script'){warning("ADsafe violation.",that);}else if(adsafe_went||nexttoken.id!=='('||peek(0).id!=='(string)'||peek(0).value!==adsafe_id||peek(1).id!==','){error("ADsafe violation: go.",that);} adsafe_went=true;adsafe_may=false;}}} if(!option.evil&&(m==='eval'||m==='execScript')){warning('eval is evil.');}else if(option.safe){for(;;){if(banned[m]===true){warning("ADsafe restricted word '{a}'.",token,m);} if(typeof predefined[left.value]!=='boolean'||nexttoken.id==='('){break;} if(standard_member[m]===true){if(nexttoken.id==='.'){warning("ADsafe violation.",that);} break;} if(nexttoken.id!=='.'){warning("ADsafe violation.",that);break;} advance('.');token.left=that;token.right=m;that=token;m=identifier();if(typeof m==='string'){countMember(m);}}} return that;},160,true);infix('(',function(left,that){adjacent(prevtoken,token);nospace();var n=0,p=[];if(left){if(left.type==='(identifier)'){if(left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)){if(left.value!=='Number'&&left.value!=='String'&&left.value!=='Boolean'&&left.value!=='Date'){if(left.value==='Math'){warning("Math is not a function.",left);}else if(option.newcap){warning("Missing 'new' prefix when invoking a constructor.",left);}}}}else if(left.id==='.'){if(option.safe&&left.left.value==='Math'&&left.right==='random'){warning("ADsafe violation.",left);}}} if(nexttoken.id!==')'){for(;;){p[p.length]=parse(10);n+=1;if(nexttoken.id!==','){break;} comma();}} advance(')');if(option.immed&&left.id==='function'&&nexttoken.id!==')'){warning("Wrap the entire immediate function invocation in parens.",that);} nospace(prevtoken,token);if(typeof left==='object'){if(left.value==='parseInt'&&n===1){warning("Missing radix parameter.",left);} if(!option.evil){if(left.value==='eval'||left.value==='Function'||left.value==='execScript'){warning("eval is evil.",left);}else if(p[0]&&p[0].id==='(string)'&&(left.value==='setTimeout'||left.value==='setInterval')){warning("Implied eval is evil. Pass a function instead of a string.",left);}} if(!left.identifier&&left.id!=='.'&&left.id!=='['&&left.id!=='('&&left.id!=='&&'&&left.id!=='||'&&left.id!=='?'){warning("Bad invocation.",left);}} that.left=left;return that;},155,true).exps=true;prefix('(',function(){nospace();var v=parse(0);advance(')',this);nospace(prevtoken,token);if(option.immed&&v.id==='function'){if(nexttoken.id==='('){warning("Move the invocation into the parens that contain the function.",nexttoken);}else{warning("Do not wrap function literals in parens unless they are to be immediately invoked.",this);}} return v;});infix('[',function(left,that){nospace();var e=parse(0),s;if(e&&e.type==='(string)'){if(option.safe&&banned[e.value]===true){warning("ADsafe restricted word '{a}'.",that,e.value);}else if(!option.evil&&(e.value==='eval'||e.value==='execScript')){warning("eval is evil.",that);}else if(option.safe&&(e.value.charAt(0)==='_'||e.value.charAt(0)==='-')){warning("ADsafe restricted subscript '{a}'.",that,e.value);} countMember(e.value);if(!option.sub&&ix.test(e.value)){s=syntax[e.value];if(!s||!s.reserved){warning("['{a}'] is better written in dot notation.",e,e.value);}}}else if(!e||e.type!=='(number)'||e.value<0){if(option.safe){warning('ADsafe subscripting.');}} advance(']',that);nospace(prevtoken,token);that.left=left;that.right=e;return that;},160,true);prefix('[',function(){var b=token.line!==nexttoken.line;this.first=[];if(b){indent+=option.indent;if(nexttoken.from===indent+option.indent){indent+=option.indent;}} while(nexttoken.id!=='(end)'){while(nexttoken.id===','){warning("Extra comma.");advance(',');} if(nexttoken.id===']'){break;} if(b&&token.line!==nexttoken.line){indentation();} this.first.push(parse(10));if(nexttoken.id===','){comma();if(nexttoken.id===']'){warning("Extra comma.",token);break;}}else{break;}} if(b){indent-=option.indent;indentation();} advance(']',this);return this;},160);(function(x){x.nud=function(){var b,i,s,seen={};b=token.line!==nexttoken.line;if(b){indent+=option.indent;if(nexttoken.from===indent+option.indent){indent+=option.indent;}} for(;;){if(nexttoken.id==='}'){break;} if(b){indentation();} i=optionalidentifier(true);if(!i){if(nexttoken.id==='(string)'){i=nexttoken.value;if(ix.test(i)){s=syntax[i];} advance();}else if(nexttoken.id==='(number)'){i=nexttoken.value.toString();advance();}else{error("Expected '{a}' and instead saw '{b}'.",nexttoken,'}',nexttoken.value);}} if(seen[i]===true){warning("Duplicate member '{a}'.",nexttoken,i);} seen[i]=true;countMember(i);advance(':');nonadjacent(token,nexttoken);parse(10);if(nexttoken.id===','){comma();if(nexttoken.id===','||nexttoken.id==='}'){warning("Extra comma.",token);}}else{break;}} if(b){indent-=option.indent;indentation();} advance('}',this);return this;};x.fud=function(){error("Expected to see a statement and instead saw a block.",token);};}(delim('{')));function varstatement(prefix){var id,name,value;if(funct['(onevar)']&&option.onevar){warning("Too many var statements.");}else if(!funct['(global)']){funct['(onevar)']=true;} this.first=[];for(;;){nonadjacent(token,nexttoken);id=identifier();if(funct['(global)']&&predefined[id]===false){warning("Redefinition of '{a}'.",token,id);} addlabel(id,'unused');if(prefix){break;} name=token;this.first.push(token);if(nexttoken.id==='='){nonadjacent(token,nexttoken);advance('=');nonadjacent(token,nexttoken);if(peek(0).id==='='&&nexttoken.identifier){error("Variable {a} was not declared correctly.",nexttoken,nexttoken.value);} value=parse(0);name.first=value;} if(nexttoken.id!==','){break;} comma();} return this;} stmt('var',varstatement).exps=true;function functionparams(){var i,t=nexttoken,p=[];advance('(');nospace();if(nexttoken.id===')'){advance(')');nospace(prevtoken,token);return;} for(;;){i=identifier();p.push(i);addlabel(i,'parameter');if(nexttoken.id===','){comma();}else{advance(')',t);nospace(prevtoken,token);return p;}}} function doFunction(i){var s=scope;scope=Object.create(s);funct={'(name)':i||'"'+anonname+'"','(line)':nexttoken.line,'(context)':funct,'(breakage)':0,'(loopage)':0,'(scope)':scope};token.funct=funct;functions.push(funct);if(i){addlabel(i,'function');} funct['(params)']=functionparams();block(false);scope=s;funct['(last)']=token.line;funct=funct['(context)'];} blockstmt('function',function(){if(inblock){warning("Function statements cannot be placed in blocks. Use a function expression or move the statement to the top of the outer function.",token);} var i=identifier();adjacent(token,nexttoken);addlabel(i,'unused');doFunction(i);if(nexttoken.id==='('&&nexttoken.line===token.line){error("Function statements are not invocable. Wrap the whole function invocation in parens.");} return this;});prefix('function',function(){var i=optionalidentifier();if(i){adjacent(token,nexttoken);}else{nonadjacent(token,nexttoken);} doFunction(i);if(funct['(loopage)']&&nexttoken.id!=='('){warning("Be careful when making functions within a loop. Consider putting the function in a closure.");} return this;});blockstmt('if',function(){var t=nexttoken;advance('(');nonadjacent(this,t);nospace();parse(20);if(nexttoken.id==='='){warning("Expected a conditional expression and instead saw an assignment.");advance('=');parse(20);} advance(')',t);nospace(prevtoken,token);block(true);if(nexttoken.id==='else'){nonadjacent(token,nexttoken);advance('else');if(nexttoken.id==='if'||nexttoken.id==='switch'){statement(true);}else{block(true);}} return this;});blockstmt('try',function(){var b,e,s;if(option.adsafe){warning("ADsafe try violation.",this);} block(false);if(nexttoken.id==='catch'){advance('catch');nonadjacent(token,nexttoken);advance('(');s=scope;scope=Object.create(s);e=nexttoken.value;if(nexttoken.type!=='(identifier)'){warning("Expected an identifier and instead saw '{a}'.",nexttoken,e);}else{addlabel(e,'exception');} advance();advance(')');block(false);b=true;scope=s;} 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t=nexttoken,g=false;funct['(breakage)']+=1;advance('(');nonadjacent(this,t);nospace();this.condition=parse(20);advance(')',t);nospace(prevtoken,token);nonadjacent(token,nexttoken);t=nexttoken;advance('{');nonadjacent(token,nexttoken);indent+=option.indent;this.cases=[];for(;;){switch(nexttoken.id){case'case':switch(funct['(verb)']){case'break':case'case':case'continue':case'return':case'switch':case'throw':break;default:warning("Expected a 'break' statement before 'case'.",token);} indentation(-option.indent);advance('case');this.cases.push(parse(20));g=true;advance(':');funct['(verb)']='case';break;case'default':switch(funct['(verb)']){case'break':case'continue':case'return':case'throw':break;default:warning("Expected a 'break' statement before 'default'.",token);} indentation(-option.indent);advance('default');g=true;advance(':');break;case'}':indent-=option.indent;indentation();advance('}',t);if(this.cases.length===1||this.condition.id==='true'||this.condition.id==='false'){warning("This 'switch' should be an 'if'.",this);} funct['(breakage)']-=1;funct['(verb)']=undefined;return;case'(end)':error("Missing '{a}'.",nexttoken,'}');return;default:if(g){switch(token.id){case',':error("Each value should have its own case label.");return;case':':statements();break;default:error("Missing ':' on a case clause.",token);}}else{error("Expected '{a}' and instead saw '{b}'.",nexttoken,'case',nexttoken.value);}}}}).labelled=true;stmt('debugger',function(){if(!option.debug){warning("All 'debugger' statements should be removed.");} return this;}).exps=true;(function(){var x=stmt('do',function(){funct['(breakage)']+=1;funct['(loopage)']+=1;this.first=block(true);advance('while');var t=nexttoken;nonadjacent(token,t);advance('(');nospace();parse(20);if(nexttoken.id==='='){warning("Expected a conditional expression and instead saw an assignment.");advance('=');parse(20);} advance(')',t);nospace(prevtoken,token);funct['(breakage)']-=1;funct['(loopage)']-=1;return this;});x.labelled=true;x.exps=true;}());blockstmt('for',function(){var f=option.forin,s,t=nexttoken;funct['(breakage)']+=1;funct['(loopage)']+=1;advance('(');nonadjacent(this,t);nospace();if(peek(nexttoken.id==='var'?1:0).id==='in'){if(nexttoken.id==='var'){advance('var');varstatement(true);}else{switch(funct[nexttoken.value]){case'unused':funct[nexttoken.value]='var';break;case'var':break;default:warning("Bad for in variable '{a}'.",nexttoken,nexttoken.value);} advance();} advance('in');parse(20);advance(')',t);s=block(true);if(!f&&(s.length>1||typeof s[0]!=='object'||s[0].value!=='if')){warning("The body of a for in should be wrapped in an if statement to filter unwanted properties from the 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