(function(global,factory){typeof exports==="object"&&typeof module!=="undefined"?module.exports=factory():typeof define==="function"&&define.amd?define(factory):global.CodeMirror=factory()})(this,function(){"use strict";var userAgent=navigator.userAgent;var platform=navigator.platform;var gecko=/gecko\/\d/i.test(userAgent);var ie_upto10=/MSIE \d/.test(userAgent);var ie_11up=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);var edge=/Edge\/(\d+)/.exec(userAgent);var ie=ie_upto10||ie_11up||edge;var ie_version=ie&&(ie_upto10?document.documentMode||6:+(edge||ie_11up)[1]);var webkit=!edge&&/WebKit\//.test(userAgent);var qtwebkit=webkit&&/Qt\/\d+\.\d+/.test(userAgent);var chrome=!edge&&/Chrome\//.test(userAgent);var presto=/Opera\//.test(userAgent);var safari=/Apple Computer/.test(navigator.vendor);var mac_geMountainLion=/Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);var phantom=/PhantomJS/.test(userAgent);var ios=!edge&&/AppleWebKit/.test(userAgent)&&/Mobile\/\w+/.test(userAgent);var android=/Android/.test(userAgent);var mobile=ios||android||/webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);var mac=ios||/Mac/.test(platform);var chromeOS=/\bCrOS\b/.test(userAgent);var windows=/win/i.test(platform);var presto_version=presto&&userAgent.match(/Version\/(\d*\.\d*)/);if(presto_version){presto_version=Number(presto_version[1])}if(presto_version&&presto_version>=15){presto=false;webkit=true}var flipCtrlCmd=mac&&(qtwebkit||presto&&(presto_version==null||presto_version<12.11));var captureRightClick=gecko||ie&&ie_version>=9;function classTest(cls){return new RegExp("(^|\\s)"+cls+"(?:$|\\s)\\s*")}var rmClass=function(node,cls){var current=node.className;var match=classTest(cls).exec(current);if(match){var after=current.slice(match.index+match[0].length);node.className=current.slice(0,match.index)+(after?match[1]+after:"")}};function removeChildren(e){for(var count=e.childNodes.length;count>0;--count){e.removeChild(e.firstChild)}return e}function removeChildrenAndAdd(parent,e){return removeChildren(parent).appendChild(e)}function elt(tag,content,className,style){var e=document.createElement(tag);if(className){e.className=className}if(style){e.style.cssText=style}if(typeof content=="string"){e.appendChild(document.createTextNode(content))}else if(content){for(var i=0;i=end){return n+(end-i)}n+=nextTab-i;n+=tabSize-n%tabSize;i=nextTab+1}}var Delayed=function(){this.id=null};Delayed.prototype.set=function(ms,f){clearTimeout(this.id);this.id=setTimeout(f,ms)};function indexOf(array,elt){for(var i=0;i=goal){return pos+Math.min(skipped,goal-col)}col+=nextTab-pos;col+=tabSize-col%tabSize;pos=nextTab+1;if(col>=goal){return pos}}}var spaceStrs=[""];function spaceStr(n){while(spaceStrs.length<=n){spaceStrs.push(lst(spaceStrs)+" ")}return spaceStrs[n]}function lst(arr){return arr[arr.length-1]}function map(array,f){var out=[];for(var i=0;i"€"&&(ch.toUpperCase()!=ch.toLowerCase()||nonASCIISingleCaseWordChar.test(ch))}function isWordChar(ch,helper){if(!helper){return isWordCharBasic(ch)}if(helper.source.indexOf("\\w")>-1&&isWordCharBasic(ch)){return true}return helper.test(ch)}function isEmpty(obj){for(var n in obj){if(obj.hasOwnProperty(n)&&obj[n]){return false}}return true}var extendingChars=/[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;function isExtendingChar(ch){return ch.charCodeAt(0)>=768&&extendingChars.test(ch)}function skipExtendingChars(str,pos,dir){while((dir<0?pos>0:pos=doc.size){throw new Error("There is no line "+(n+doc.first)+" in the document.")}var chunk=doc;while(!chunk.lines){for(var i=0;;++i){var child=chunk.children[i],sz=child.chunkSize();if(n=doc.first&&llast){return Pos(last,getLine(doc,last).text.length)}return clipToLen(pos,getLine(doc,pos.line).text.length)}function clipToLen(pos,linelen){var ch=pos.ch;if(ch==null||ch>linelen){return Pos(pos.line,linelen)}else if(ch<0){return Pos(pos.line,0)}else{return pos}}function clipPosArray(doc,array){var out=[];for(var i=0;i=startCh:span.to>startCh);(nw||(nw=[])).push(new MarkedSpan(marker,span.from,endsAfter?null:span.to))}}}return nw}function markedSpansAfter(old,endCh,isInsert){var nw;if(old){for(var i=0;i=endCh:span.to>endCh);if(endsAfter||span.from==endCh&&marker.type=="bookmark"&&(!isInsert||span.marker.insertLeft)){var startsBefore=span.from==null||(marker.inclusiveLeft?span.from<=endCh:span.from0&&first){for(var i$2=0;i$20){continue}var newParts=[j,1],dfrom=cmp(p.from,m.from),dto=cmp(p.to,m.to);if(dfrom<0||!mk.inclusiveLeft&&!dfrom){newParts.push({from:p.from,to:m.from})}if(dto>0||!mk.inclusiveRight&&!dto){newParts.push({from:m.to,to:p.to})}parts.splice.apply(parts,newParts);j+=newParts.length-3}}return parts}function detachMarkedSpans(line){var spans=line.markedSpans;if(!spans){return}for(var i=0;i=0&&toCmp<=0||fromCmp<=0&&toCmp>=0){continue}if(fromCmp<=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.to,from)>=0:cmp(found.to,from)>0)||fromCmp>=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.from,to)<=0:cmp(found.from,to)<0)){return true}}}}function visualLine(line){var merged;while(merged=collapsedSpanAtStart(line)){line=merged.find(-1,true).line}return line}function visualLineEnd(line){var merged;while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line}return line}function visualLineContinued(line){var merged,lines;while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line;(lines||(lines=[])).push(line)}return lines}function visualLineNo(doc,lineN){var line=getLine(doc,lineN),vis=visualLine(line);if(line==vis){return lineN}return lineNo(vis)}function visualLineEndNo(doc,lineN){if(lineN>doc.lastLine()){return lineN}var line=getLine(doc,lineN),merged;if(!lineIsHidden(doc,line)){return lineN}while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line}return lineNo(line)+1}function lineIsHidden(doc,line){var sps=sawCollapsedSpans&&line.markedSpans;if(sps){for(var sp=void 0,i=0;id.maxLineLength){d.maxLineLength=len;d.maxLine=line}})}function iterateBidiSections(order,from,to,f){if(!order){return f(from,to,"ltr")}var found=false;for(var i=0;ifrom||from==to&&part.to==from){f(Math.max(part.from,from),Math.min(part.to,to),part.level==1?"rtl":"ltr");found=true}}if(!found){f(from,to,"ltr")}}var bidiOther=null;function getBidiPartAt(order,ch,sticky){var found;bidiOther=null;for(var i=0;ich){return i}if(cur.to==ch){if(cur.from!=cur.to&&sticky=="before"){found=i}else{bidiOther=i}}if(cur.from==ch){if(cur.from!=cur.to&&sticky!="before"){found=i}else{bidiOther=i}}}return found!=null?found:bidiOther}var bidiOrdering=function(){var lowTypes="bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";var arabicTypes="nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";function charType(code){if(code<=247){return lowTypes.charAt(code)}else if(1424<=code&&code<=1524){return"R"}else if(1536<=code&&code<=1785){return arabicTypes.charAt(code-1536)}else if(1774<=code&&code<=2220){return"r"}else if(8192<=code&&code<=8203){return"w"}else if(code==8204){return"b"}else{return"L"}}var bidiRE=/[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;var isNeutral=/[stwN]/,isStrong=/[LRr]/,countsAsLeft=/[Lb1n]/,countsAsNum=/[1n]/;function BidiSpan(level,from,to){this.level=level;this.from=from;this.to=to}return function(str,direction){var outerType=direction=="ltr"?"L":"R";if(str.length==0||direction=="ltr"&&!bidiRE.test(str)){return false}var len=str.length,types=[];for(var i=0;iline.text.length?null:target}function moveLogically(line,start,dir){var ch=moveCharLogically(line,start.ch,dir);return ch==null?null:new Pos(start.line,ch,dir<0?"after":"before")}function endOfLine(visually,cm,lineObj,lineNo,dir){if(visually){var order=getOrder(lineObj,cm.doc.direction);if(order){var part=dir<0?lst(order):order[0];var moveInStorageOrder=dir<0==(part.level==1);var sticky=moveInStorageOrder?"after":"before";var ch;if(part.level>0){var prep=prepareMeasureForLine(cm,lineObj);ch=dir<0?lineObj.text.length-1:0;var targetTop=measureCharPrepared(cm,prep,ch).top;ch=findFirst(function(ch){return measureCharPrepared(cm,prep,ch).top==targetTop},dir<0==(part.level==1)?part.from:part.to-1,ch);if(sticky=="before"){ch=moveCharLogically(lineObj,ch,1)}}else{ch=dir<0?part.to:part.from}return new Pos(lineNo,ch,sticky)}}return new Pos(lineNo,dir<0?lineObj.text.length:0,dir<0?"before":"after")}function moveVisually(cm,line,start,dir){var bidi=getOrder(line,cm.doc.direction);if(!bidi){return moveLogically(line,start,dir)}if(start.ch>=line.text.length){start.ch=line.text.length;start.sticky="before"}else if(start.ch<=0){start.ch=0;start.sticky="after"}var partPos=getBidiPartAt(bidi,start.ch,start.sticky),part=bidi[partPos];if(cm.doc.direction=="ltr"&&part.level%2==0&&(dir>0?part.to>start.ch:part.from=part.from&&ch>=wrappedLineExtent.begin:ch<=part.to&&ch<=wrappedLineExtent.end)){var sticky=moveInStorageOrder?"before":"after";return new Pos(start.line,ch,sticky)}}var searchInVisualLine=function(partPos,dir,wrappedLineExtent){var getRes=function(ch,moveInStorageOrder){return moveInStorageOrder?new Pos(start.line,mv(ch,1),"before"):new Pos(start.line,ch,"after")};for(;partPos>=0&&partPos0==(part.level!=1);var ch=moveInStorageOrder?wrappedLineExtent.begin:mv(wrappedLineExtent.end,-1);if(part.from<=ch&&ch0?wrappedLineExtent.end:mv(wrappedLineExtent.begin,-1);if(nextCh!=null&&!(dir>0&&nextCh==line.text.length)){res=searchInVisualLine(dir>0?0:bidi.length-1,dir,getWrappedLineExtent(nextCh));if(res){return res}}return null}var noHandlers=[];var on=function(emitter,type,f){if(emitter.addEventListener){emitter.addEventListener(type,f,false)}else if(emitter.attachEvent){emitter.attachEvent("on"+type,f)}else{var map=emitter._handlers||(emitter._handlers={});map[type]=(map[type]||noHandlers).concat(f)}};function getHandlers(emitter,type){return emitter._handlers&&emitter._handlers[type]||noHandlers}function off(emitter,type,f){if(emitter.removeEventListener){emitter.removeEventListener(type,f,false)}else if(emitter.detachEvent){emitter.detachEvent("on"+type,f)}else{var map=emitter._handlers,arr=map&&map[type];if(arr){var index=indexOf(arr,f);if(index>-1){map[type]=arr.slice(0,index).concat(arr.slice(index+1))}}}}function signal(emitter,type){var handlers=getHandlers(emitter,type);if(!handlers.length){return}var args=Array.prototype.slice.call(arguments,2);for(var i=0;i0}function eventMixin(ctor){ctor.prototype.on=function(type,f){on(this,type,f)};ctor.prototype.off=function(type,f){off(this,type,f)}}function e_preventDefault(e){if(e.preventDefault){e.preventDefault()}else{e.returnValue=false}}function e_stopPropagation(e){if(e.stopPropagation){e.stopPropagation()}else{e.cancelBubble=true}}function e_defaultPrevented(e){return e.defaultPrevented!=null?e.defaultPrevented:e.returnValue==false}function e_stop(e){e_preventDefault(e);e_stopPropagation(e)}function e_target(e){return e.target||e.srcElement}function e_button(e){var b=e.which;if(b==null){if(e.button&1){b=1}else if(e.button&2){b=3}else if(e.button&4){b=2}}if(mac&&e.ctrlKey&&b==1){b=3}return b}var dragAndDrop=function(){if(ie&&ie_version<9){return false}var div=elt("div");return"draggable"in div||"dragDrop"in div}();var zwspSupported;function zeroWidthElement(measure){if(zwspSupported==null){var test=elt("span","​");removeChildrenAndAdd(measure,elt("span",[test,document.createTextNode("x")]));if(measure.firstChild.offsetHeight!=0){zwspSupported=test.offsetWidth<=1&&test.offsetHeight>2&&!(ie&&ie_version<8)}}var node=zwspSupported?elt("span","​"):elt("span"," ",null,"display: inline-block; width: 1px; margin-right: -1px");node.setAttribute("cm-text","");return node}var badBidiRects;function hasBadBidiRects(measure){if(badBidiRects!=null){return badBidiRects}var txt=removeChildrenAndAdd(measure,document.createTextNode("AخA"));var r0=range(txt,0,1).getBoundingClientRect();var r1=range(txt,1,2).getBoundingClientRect();removeChildren(measure);if(!r0||r0.left==r0.right){return false}return badBidiRects=r1.right-r0.right<3}var splitLinesAuto="\n\nb".split(/\n/).length!=3?function(string){var pos=0,result=[],l=string.length;while(pos<=l){var nl=string.indexOf("\n",pos);if(nl==-1){nl=string.length}var line=string.slice(pos,string.charAt(nl-1)=="\r"?nl-1:nl);var rt=line.indexOf("\r");if(rt!=-1){result.push(line.slice(0,rt));pos+=rt+1}else{result.push(line);pos=nl+1}}return result}:function(string){return string.split(/\r\n?|\n/)};var hasSelection=window.getSelection?function(te){try{return te.selectionStart!=te.selectionEnd}catch(e){return false}}:function(te){var range;try{range=te.ownerDocument.selection.createRange()}catch(e){}if(!range||range.parentElement()!=te){return false}return range.compareEndPoints("StartToEnd",range)!=0};var hasCopyEvent=function(){var e=elt("div");if("oncopy"in e){return true}e.setAttribute("oncopy","return;");return typeof e.oncopy=="function"}();var badZoomedRects=null;function hasBadZoomedRects(measure){if(badZoomedRects!=null){return badZoomedRects}var node=removeChildrenAndAdd(measure,elt("span","x"));var normal=node.getBoundingClientRect();var fromRange=range(node,0,1).getBoundingClientRect();return badZoomedRects=Math.abs(normal.left-fromRange.left)>1}var modes={};var mimeModes={};function defineMode(name,mode){if(arguments.length>2){mode.dependencies=Array.prototype.slice.call(arguments,2)}modes[name]=mode}function defineMIME(mime,spec){mimeModes[mime]=spec}function resolveMode(spec){if(typeof spec=="string"&&mimeModes.hasOwnProperty(spec)){spec=mimeModes[spec]}else if(spec&&typeof spec.name=="string"&&mimeModes.hasOwnProperty(spec.name)){var found=mimeModes[spec.name];if(typeof found=="string"){found={name:found}}spec=createObj(found,spec);spec.name=found.name}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+xml$/.test(spec)){return resolveMode("application/xml")}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+json$/.test(spec)){return resolveMode("application/json")}if(typeof spec=="string"){return{name:spec}}else{return spec||{name:"null"}}}function getMode(options,spec){spec=resolveMode(spec);var mfactory=modes[spec.name];if(!mfactory){return getMode(options,"text/plain")}var modeObj=mfactory(options,spec);if(modeExtensions.hasOwnProperty(spec.name)){var exts=modeExtensions[spec.name];for(var prop in exts){if(!exts.hasOwnProperty(prop)){continue}if(modeObj.hasOwnProperty(prop)){modeObj["_"+prop]=modeObj[prop]}modeObj[prop]=exts[prop]}}modeObj.name=spec.name;if(spec.helperType){modeObj.helperType=spec.helperType}if(spec.modeProps){for(var prop$1 in spec.modeProps){modeObj[prop$1]=spec.modeProps[prop$1]}}return modeObj}var modeExtensions={};function extendMode(mode,properties){var exts=modeExtensions.hasOwnProperty(mode)?modeExtensions[mode]:modeExtensions[mode]={};copyObj(properties,exts)}function copyState(mode,state){if(state===true){return state}if(mode.copyState){return mode.copyState(state)}var nstate={};for(var n in state){var val=state[n];if(val instanceof Array){val=val.concat([])}nstate[n]=val}return nstate}function innerMode(mode,state){var info;while(mode.innerMode){info=mode.innerMode(state);if(!info||info.mode==mode){break}state=info.state;mode=info.mode}return info||{mode:mode,state:state}}function startState(mode,a1,a2){return mode.startState?mode.startState(a1,a2):true}var StringStream=function(string,tabSize,lineOracle){this.pos=this.start=0;this.string=string;this.tabSize=tabSize||8;this.lastColumnPos=this.lastColumnValue=0;this.lineStart=0;this.lineOracle=lineOracle};StringStream.prototype.eol=function(){return this.pos>=this.string.length};StringStream.prototype.sol=function(){return this.pos==this.lineStart};StringStream.prototype.peek=function(){return this.string.charAt(this.pos)||undefined};StringStream.prototype.next=function(){if(this.posstart};StringStream.prototype.eatSpace=function(){var this$1=this;var start=this.pos;while(/[\s\u00a0]/.test(this.string.charAt(this.pos))){++this$1.pos}return this.pos>start};StringStream.prototype.skipToEnd=function(){this.pos=this.string.length};StringStream.prototype.skipTo=function(ch){var found=this.string.indexOf(ch,this.pos);if(found>-1){this.pos=found;return true}};StringStream.prototype.backUp=function(n){this.pos-=n};StringStream.prototype.column=function(){if(this.lastColumnPos0){return null}if(match&&consume!==false){this.pos+=match[0].length}return match}};StringStream.prototype.current=function(){return this.string.slice(this.start,this.pos)};StringStream.prototype.hideFirstChars=function(n,inner){this.lineStart+=n;try{return inner()}finally{this.lineStart-=n}};StringStream.prototype.lookAhead=function(n){var oracle=this.lineOracle;return oracle&&oracle.lookAhead(n)};var SavedContext=function(state,lookAhead){this.state=state;this.lookAhead=lookAhead};var Context=function(doc,state,line,lookAhead){this.state=state;this.doc=doc;this.line=line;this.maxLookAhead=lookAhead||0};Context.prototype.lookAhead=function(n){var line=this.doc.getLine(this.line+n);if(line!=null&&n>this.maxLookAhead){this.maxLookAhead=n}return line};Context.prototype.nextLine=function(){this.line++;if(this.maxLookAhead>0){this.maxLookAhead--}};Context.fromSaved=function(doc,saved,line){if(saved instanceof SavedContext){return new Context(doc,copyState(doc.mode,saved.state),line,saved.lookAhead)}else{return new Context(doc,copyState(doc.mode,saved),line)}};Context.prototype.save=function(copy){var state=copy!==false?copyState(this.doc.mode,this.state):this.state;return this.maxLookAhead>0?new SavedContext(state,this.maxLookAhead):state};function highlightLine(cm,line,context,forceToEnd){var st=[cm.state.modeGen],lineClasses={};runMode(cm,line.text,cm.doc.mode,context,function(end,style){return st.push(end,style)},lineClasses,forceToEnd);var state=context.state;var loop=function(o){var overlay=cm.state.overlays[o],i=1,at=0;context.state=true;runMode(cm,line.text,overlay.mode,context,function(end,style){var start=i;while(atend){st.splice(i,1,end,st[i+1],i_end)}i+=2;at=Math.min(end,i_end)}if(!style){return}if(overlay.opaque){st.splice(start,i-start,end,"overlay "+style);i=start+2}else{for(;startcm.options.maxHighlightLength&©State(cm.doc.mode,context.state);var result=highlightLine(cm,line,context);if(resetState){context.state=resetState}line.stateAfter=context.save(!resetState);line.styles=result.styles;if(result.classes){line.styleClasses=result.classes}else if(line.styleClasses){line.styleClasses=null}if(updateFrontier===cm.doc.highlightFrontier){cm.doc.modeFrontier=Math.max(cm.doc.modeFrontier,++cm.doc.highlightFrontier)}}return line.styles}function getContextBefore(cm,n,precise){var doc=cm.doc,display=cm.display;if(!doc.mode.startState){return new Context(doc,true,n)}var start=findStartLine(cm,n,precise);var saved=start>doc.first&&getLine(doc,start-1).stateAfter;var context=saved?Context.fromSaved(doc,saved,start):new Context(doc,startState(doc.mode),start);doc.iter(start,n,function(line){processLine(cm,line.text,context);var pos=context.line;line.stateAfter=pos==n-1||pos%5==0||pos>=display.viewFrom&&posstream.start){return style}}throw new Error("Mode "+mode.name+" failed to advance stream.")}var Token=function(stream,type,state){this.start=stream.start;this.end=stream.pos;this.string=stream.current();this.type=type||null;this.state=state};function takeToken(cm,pos,precise,asArray){var doc=cm.doc,mode=doc.mode,style;pos=clipPos(doc,pos);var line=getLine(doc,pos.line),context=getContextBefore(cm,pos.line,precise);var stream=new StringStream(line.text,cm.options.tabSize,context),tokens;if(asArray){tokens=[]}while((asArray||stream.poscm.options.maxHighlightLength){flattenSpans=false;if(forceToEnd){processLine(cm,text,context,stream.pos)}stream.pos=text.length;style=null}else{style=extractLineClasses(readToken(mode,stream,context.state,inner),lineClasses)}if(inner){var mName=inner[0].name;if(mName){style="m-"+(style?mName+" "+style:mName)}}if(!flattenSpans||curStyle!=style){while(curStartlim;--search){if(search<=doc.first){return doc.first}var line=getLine(doc,search-1),after=line.stateAfter;if(after&&(!precise||search+(after instanceof SavedContext?after.lookAhead:0)<=doc.modeFrontier)){return search}var indented=countColumn(line.text,null,cm.options.tabSize);if(minline==null||minindent>indented){minline=search-1;minindent=indented}}return minline}function retreatFrontier(doc,n){doc.modeFrontier=Math.min(doc.modeFrontier,n);if(doc.highlightFrontierstart;line--){var saved=getLine(doc,line).stateAfter;if(saved&&(!(saved instanceof SavedContext)||line+saved.lookAhead1&&!/ /.test(text)){return text}var spaceBefore=trailingBefore,result="";for(var i=0;istart&&part.from<=start){break}}if(part.to>=end){return inner(builder,text,style,startStyle,endStyle,title,css)}inner(builder,text.slice(0,part.to-start),style,startStyle,null,title,css);startStyle=null;text=text.slice(part.to-start);start=part.to}}}function buildCollapsedSpan(builder,size,marker,ignoreWidget){var widget=!ignoreWidget&&marker.widgetNode;if(widget){builder.map.push(builder.pos,builder.pos+size,widget)}if(!ignoreWidget&&builder.cm.display.input.needsContentAttribute){if(!widget){widget=builder.content.appendChild(document.createElement("span"))}widget.setAttribute("cm-marker",marker.id)}if(widget){builder.cm.display.input.setUneditable(widget);builder.content.appendChild(widget)}builder.pos+=size;builder.trailingSpace=false}function insertLineContent(line,builder,styles){var spans=line.markedSpans,allText=line.text,at=0;if(!spans){for(var i$1=1;i$1pos||m.collapsed&&sp.to==pos&&sp.from==pos)){if(sp.to!=null&&sp.to!=pos&&nextChange>sp.to){nextChange=sp.to;spanEndStyle=""}if(m.className){spanStyle+=" "+m.className}if(m.css){css=(css?css+";":"")+m.css}if(m.startStyle&&sp.from==pos){spanStartStyle+=" "+m.startStyle}if(m.endStyle&&sp.to==nextChange){(endStyles||(endStyles=[])).push(m.endStyle,sp.to)}if(m.title&&!title){title=m.title}if(m.collapsed&&(!collapsed||compareCollapsedMarkers(collapsed.marker,m)<0)){collapsed=sp}}else if(sp.from>pos&&nextChange>sp.from){nextChange=sp.from}}if(endStyles){for(var j$1=0;j$1=len){break}var upto=Math.min(len,nextChange);while(true){if(text){var end=pos+text.length;if(!collapsed){var tokenText=end>upto?text.slice(0,upto-pos):text;builder.addToken(builder,tokenText,style?style+spanStyle:spanStyle,spanStartStyle,pos+tokenText.length==nextChange?spanEndStyle:"",title,css)}if(end>=upto){text=text.slice(upto-pos);pos=upto;break}pos=end;spanStartStyle=""}text=allText.slice(at,at=styles[i++]);style=interpretTokenStyle(styles[i++],builder.cm.options)}}}function LineView(doc,line,lineN){this.line=line;this.rest=visualLineContinued(line);this.size=this.rest?lineNo(lst(this.rest))-lineN+1:1;this.node=this.text=null;this.hidden=lineIsHidden(doc,line)}function buildViewArray(cm,from,to){var array=[],nextPos;for(var pos=from;pos2){heights.push((cur.bottom+next.top)/2-rect.top)}}}heights.push(rect.bottom-rect.top)}}function mapFromLineView(lineView,line,lineN){if(lineView.line==line){return{map:lineView.measure.map,cache:lineView.measure.cache}}for(var i=0;ilineN){return{map:lineView.measure.maps[i$1],cache:lineView.measure.caches[i$1],before:true}}}}function updateExternalMeasurement(cm,line){line=visualLine(line);var lineN=lineNo(line);var view=cm.display.externalMeasured=new LineView(cm.doc,line,lineN);view.lineN=lineN;var built=view.built=buildLineContent(cm,view);view.text=built.pre;removeChildrenAndAdd(cm.display.lineMeasure,built.pre);return view}function measureChar(cm,line,ch,bias){return measureCharPrepared(cm,prepareMeasureForLine(cm,line),ch,bias)}function findViewForLine(cm,lineN){if(lineN>=cm.display.viewFrom&&lineN=ext.lineN&&lineNch){end=mEnd-mStart;start=end-1;if(ch>=mEnd){collapse="right"}}if(start!=null){node=map[i+2];if(mStart==mEnd&&bias==(node.insertLeft?"left":"right")){collapse=bias}if(bias=="left"&&start==0){while(i&&map[i-2]==map[i-3]&&map[i-1].insertLeft){node=map[(i-=3)+2];collapse="left"}}if(bias=="right"&&start==mEnd-mStart){while(i=0;i$1--){if((rect=rects[i$1]).left!=rect.right){break}}}return rect}function measureCharInner(cm,prepared,ch,bias){var place=nodeAndOffsetInLineMap(prepared.map,ch,bias);var node=place.node,start=place.start,end=place.end,collapse=place.collapse;var rect;if(node.nodeType==3){for(var i$1=0;i$1<4;i$1++){while(start&&isExtendingChar(prepared.line.text.charAt(place.coverStart+start))){--start}while(place.coverStart+end0){collapse=bias="right"}var rects;if(cm.options.lineWrapping&&(rects=node.getClientRects()).length>1){rect=rects[bias=="right"?rects.length-1:0]}else{rect=node.getBoundingClientRect()}}if(ie&&ie_version<9&&!start&&(!rect||!rect.left&&!rect.right)){var rSpan=node.parentNode.getClientRects()[0];if(rSpan){rect={left:rSpan.left,right:rSpan.left+charWidth(cm.display),top:rSpan.top,bottom:rSpan.bottom}}else{rect=nullRect}}var rtop=rect.top-prepared.rect.top,rbot=rect.bottom-prepared.rect.top;var mid=(rtop+rbot)/2;var heights=prepared.view.measure.heights;var i=0;for(;i=lineObj.text.length){ch=lineObj.text.length;sticky="before"}else if(ch<=0){ch=0;sticky="after"}if(!order){return get(sticky=="before"?ch-1:ch,sticky=="before")}function getBidi(ch,partPos,invert){var part=order[partPos],right=part.level%2!=0;return get(invert?ch-1:ch,right!=invert)}var partPos=getBidiPartAt(order,ch,sticky);var other=bidiOther;var val=getBidi(ch,partPos,sticky=="before");if(other!=null){val.other=getBidi(ch,other,sticky!="before")}return val}function estimateCoords(cm,pos){var left=0;pos=clipPos(cm.doc,pos);if(!cm.options.lineWrapping){left=charWidth(cm.display)*pos.ch}var lineObj=getLine(cm.doc,pos.line);var top=heightAtLine(lineObj)+paddingTop(cm.display);return{left:left,right:left,top:top,bottom:top+lineObj.height}}function PosWithInfo(line,ch,sticky,outside,xRel){var pos=Pos(line,ch,sticky);pos.xRel=xRel;if(outside){pos.outside=true}return pos}function coordsChar(cm,x,y){var doc=cm.doc;y+=cm.display.viewOffset;if(y<0){return PosWithInfo(doc.first,0,null,true,-1)}var lineN=lineAtHeight(doc,y),last=doc.first+doc.size-1;if(lineN>last){return PosWithInfo(doc.first+doc.size-1,getLine(doc,last).text.length,null,true,1)}if(x<0){x=0}var lineObj=getLine(doc,lineN);for(;;){var found=coordsCharInner(cm,lineObj,lineN,x,y);var merged=collapsedSpanAtEnd(lineObj);var mergedPos=merged&&merged.find(0,true);if(merged&&(found.ch>mergedPos.from.ch||found.ch==mergedPos.from.ch&&found.xRel>0)){lineN=lineNo(lineObj=mergedPos.to.line)}else{return found}}}function wrappedLineExtent(cm,lineObj,preparedMeasure,y){var measure=function(ch){return intoCoordSystem(cm,lineObj,measureCharPrepared(cm,preparedMeasure,ch),"line")};var end=lineObj.text.length;var begin=findFirst(function(ch){return measure(ch-1).bottom<=y},end,0);end=findFirst(function(ch){return measure(ch).top>y},begin,end);return{begin:begin,end:end}}function wrappedLineExtentChar(cm,lineObj,preparedMeasure,target){var targetTop=intoCoordSystem(cm,lineObj,measureCharPrepared(cm,preparedMeasure,target),"line").top;return wrappedLineExtent(cm,lineObj,preparedMeasure,targetTop)}function coordsCharInner(cm,lineObj,lineNo,x,y){y-=heightAtLine(lineObj);var begin=0,end=lineObj.text.length;var preparedMeasure=prepareMeasureForLine(cm,lineObj);var pos;var order=getOrder(lineObj,cm.doc.direction);if(order){if(cm.options.lineWrapping){var assign;assign=wrappedLineExtent(cm,lineObj,preparedMeasure,y),begin=assign.begin,end=assign.end,assign}pos=new Pos(lineNo,Math.floor(begin+(end-begin)/2));var beginLeft=cursorCoords(cm,pos,"line",lineObj,preparedMeasure).left;var dir=beginLeft1){var diff_change_per_step=Math.abs(diff-prevDiff)/steps;steps=Math.min(steps,Math.ceil(Math.abs(diff)/diff_change_per_step));dir=diff<0?1:-1}}while(diff!=0&&(steps>1||dir<0!=diff<0&&Math.abs(diff)<=Math.abs(prevDiff)));if(Math.abs(diff)>Math.abs(prevDiff)){if(diff<0==prevDiff<0){throw new Error("Broke out of infinite loop in coordsCharInner")}pos=prevPos}}else{var ch=findFirst(function(ch){var box=intoCoordSystem(cm,lineObj,measureCharPrepared(cm,preparedMeasure,ch),"line");if(box.top>y){end=Math.min(ch,end);return true}else if(box.bottom<=y){return false}else if(box.left>x){return true}else if(box.rightcoords.right?1:0;return pos}var measureText;function textHeight(display){if(display.cachedTextHeight!=null){return display.cachedTextHeight}if(measureText==null){measureText=elt("pre");for(var i=0;i<49;++i){measureText.appendChild(document.createTextNode("x"));measureText.appendChild(elt("br"))}measureText.appendChild(document.createTextNode("x"))}removeChildrenAndAdd(display.measure,measureText);var height=measureText.offsetHeight/50;if(height>3){display.cachedTextHeight=height}removeChildren(display.measure);return height||1}function charWidth(display){if(display.cachedCharWidth!=null){return display.cachedCharWidth}var anchor=elt("span","xxxxxxxxxx");var pre=elt("pre",[anchor]);removeChildrenAndAdd(display.measure,pre);var rect=anchor.getBoundingClientRect(),width=(rect.right-rect.left)/10;if(width>2){display.cachedCharWidth=width}return width||10}function getDimensions(cm){var d=cm.display,left={},width={};var gutterLeft=d.gutters.clientLeft;for(var n=d.gutters.firstChild,i=0;n;n=n.nextSibling,++i){left[cm.options.gutters[i]]=n.offsetLeft+n.clientLeft+gutterLeft;width[cm.options.gutters[i]]=n.clientWidth}return{fixedPos:compensateForHScroll(d),gutterTotalWidth:d.gutters.offsetWidth,gutterLeft:left,gutterWidth:width,wrapperWidth:d.wrapper.clientWidth}}function compensateForHScroll(display){return display.scroller.getBoundingClientRect().left-display.sizer.getBoundingClientRect().left}function estimateHeight(cm){var th=textHeight(cm.display),wrapping=cm.options.lineWrapping;var perLine=wrapping&&Math.max(5,cm.display.scroller.clientWidth/charWidth(cm.display)-3);return function(line){if(lineIsHidden(cm.doc,line)){return 0}var widgetsHeight=0;if(line.widgets){for(var i=0;i=cm.display.viewTo){return null}n-=cm.display.viewFrom;if(n<0){return null}var view=cm.display.view;for(var i=0;i=cm.display.viewTo||range.to().line3){add(left,leftPos.top,null,leftPos.bottom);left=leftSide;if(leftPos.bottomend.bottom||rightPos.bottom==end.bottom&&rightPos.right>end.right){end=rightPos}if(left0){display.blinker=setInterval(function(){return display.cursorDiv.style.visibility=(on=!on)?"":"hidden"},cm.options.cursorBlinkRate)}else if(cm.options.cursorBlinkRate<0){display.cursorDiv.style.visibility="hidden"}}function ensureFocus(cm){if(!cm.state.focused){cm.display.input.focus();onFocus(cm)}}function delayBlurEvent(cm){cm.state.delayingBlurEvent=true;setTimeout(function(){if(cm.state.delayingBlurEvent){cm.state.delayingBlurEvent=false;onBlur(cm)}},100)}function onFocus(cm,e){if(cm.state.delayingBlurEvent){cm.state.delayingBlurEvent=false}if(cm.options.readOnly=="nocursor"){return}if(!cm.state.focused){signal(cm,"focus",cm,e);cm.state.focused=true;addClass(cm.display.wrapper,"CodeMirror-focused");if(!cm.curOp&&cm.display.selForContextMenu!=cm.doc.sel){cm.display.input.reset();if(webkit){setTimeout(function(){return cm.display.input.reset(true)},20)}}cm.display.input.receivedFocus()}restartBlink(cm)}function onBlur(cm,e){if(cm.state.delayingBlurEvent){return}if(cm.state.focused){signal(cm,"blur",cm,e);cm.state.focused=false;rmClass(cm.display.wrapper,"CodeMirror-focused")}clearInterval(cm.display.blinker);setTimeout(function(){if(!cm.state.focused){cm.display.shift=false}},150)}function updateHeightsInViewport(cm){var display=cm.display;var prevBottom=display.lineDiv.offsetTop;for(var i=0;i.005||diff<-.005){updateLineHeight(cur.line,height);updateWidgetHeight(cur.line);if(cur.rest){for(var j=0;j=to){from=lineAtHeight(doc,heightAtLine(getLine(doc,ensureTo))-display.wrapper.clientHeight);to=ensureTo}}return{from:from,to:Math.max(to,from+1)}}function alignHorizontally(cm){var display=cm.display,view=display.view;if(!display.alignWidgets&&(!display.gutters.firstChild||!cm.options.fixedGutter)){return}var comp=compensateForHScroll(display)-display.scroller.scrollLeft+cm.doc.scrollLeft;var gutterW=display.gutters.offsetWidth,left=comp+"px";for(var i=0;i(window.innerHeight||document.documentElement.clientHeight)){doScroll=false}if(doScroll!=null&&!phantom){var scrollNode=elt("div","​",null,"position: absolute;\n top: "+(rect.top-display.viewOffset-paddingTop(cm.display))+"px;\n height: "+(rect.bottom-rect.top+scrollGap(cm)+display.barHeight)+"px;\n left: "+rect.left+"px; width: "+Math.max(2,rect.right-rect.left)+"px;");cm.display.lineSpace.appendChild(scrollNode);scrollNode.scrollIntoView(doScroll);cm.display.lineSpace.removeChild(scrollNode)}}function scrollPosIntoView(cm,pos,end,margin){if(margin==null){margin=0}var rect;if(!cm.options.lineWrapping&&pos==end){pos=pos.ch?Pos(pos.line,pos.sticky=="before"?pos.ch-1:pos.ch,"after"):pos;end=pos.sticky=="before"?Pos(pos.line,pos.ch+1,"before"):pos}for(var limit=0;limit<5;limit++){var changed=false;var coords=cursorCoords(cm,pos);var endCoords=!end||end==pos?coords:cursorCoords(cm,end);rect={left:Math.min(coords.left,endCoords.left),top:Math.min(coords.top,endCoords.top)-margin,right:Math.max(coords.left,endCoords.left),bottom:Math.max(coords.bottom,endCoords.bottom)+margin};var scrollPos=calculateScrollPos(cm,rect);var startTop=cm.doc.scrollTop,startLeft=cm.doc.scrollLeft;if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop);if(Math.abs(cm.doc.scrollTop-startTop)>1){changed=true}}if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft);if(Math.abs(cm.doc.scrollLeft-startLeft)>1){changed=true}}if(!changed){break}}return rect}function scrollIntoView(cm,rect){var scrollPos=calculateScrollPos(cm,rect);if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop)}if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft)}}function calculateScrollPos(cm,rect){var display=cm.display,snapMargin=textHeight(cm.display);if(rect.top<0){rect.top=0}var screentop=cm.curOp&&cm.curOp.scrollTop!=null?cm.curOp.scrollTop:display.scroller.scrollTop;var screen=displayHeight(cm),result={};if(rect.bottom-rect.top>screen){rect.bottom=rect.top+screen}var docBottom=cm.doc.height+paddingVert(display);var atTop=rect.topdocBottom-snapMargin;if(rect.topscreentop+screen){var newTop=Math.min(rect.top,(atBottom?docBottom:rect.bottom)-screen);if(newTop!=screentop){result.scrollTop=newTop}}var screenleft=cm.curOp&&cm.curOp.scrollLeft!=null?cm.curOp.scrollLeft:display.scroller.scrollLeft;var screenw=displayWidth(cm)-(cm.options.fixedGutter?display.gutters.offsetWidth:0);var tooWide=rect.right-rect.left>screenw;if(tooWide){rect.right=rect.left+screenw}if(rect.left<10){result.scrollLeft=0}else if(rect.leftscreenw+screenleft-3){result.scrollLeft=rect.right+(tooWide?0:10)-screenw}return result}function addToScrollTop(cm,top){if(top==null){return}resolveScrollToPos(cm);cm.curOp.scrollTop=(cm.curOp.scrollTop==null?cm.doc.scrollTop:cm.curOp.scrollTop)+top}function ensureCursorVisible(cm){resolveScrollToPos(cm);var cur=cm.getCursor();cm.curOp.scrollToPos={from:cur,to:cur,margin:cm.options.cursorScrollMargin}}function scrollToCoords(cm,x,y){if(x!=null||y!=null){resolveScrollToPos(cm)}if(x!=null){cm.curOp.scrollLeft=x}if(y!=null){cm.curOp.scrollTop=y}}function scrollToRange(cm,range){resolveScrollToPos(cm);cm.curOp.scrollToPos=range}function resolveScrollToPos(cm){var range=cm.curOp.scrollToPos;if(range){cm.curOp.scrollToPos=null;var from=estimateCoords(cm,range.from),to=estimateCoords(cm,range.to);scrollToCoordsRange(cm,from,to,range.margin)}}function scrollToCoordsRange(cm,from,to,margin){var sPos=calculateScrollPos(cm,{left:Math.min(from.left,to.left),top:Math.min(from.top,to.top)-margin,right:Math.max(from.right,to.right),bottom:Math.max(from.bottom,to.bottom)+margin});scrollToCoords(cm,sPos.scrollLeft,sPos.scrollTop)}function updateScrollTop(cm,val){if(Math.abs(cm.doc.scrollTop-val)<2){return}if(!gecko){updateDisplaySimple(cm,{top:val})}setScrollTop(cm,val,true);if(gecko){updateDisplaySimple(cm)}startWorker(cm,100)}function setScrollTop(cm,val,forceScroll){val=Math.min(cm.display.scroller.scrollHeight-cm.display.scroller.clientHeight,val);if(cm.display.scroller.scrollTop==val&&!forceScroll){return}cm.doc.scrollTop=val;cm.display.scrollbars.setScrollTop(val);if(cm.display.scroller.scrollTop!=val){cm.display.scroller.scrollTop=val}}function setScrollLeft(cm,val,isScroller,forceScroll){val=Math.min(val,cm.display.scroller.scrollWidth-cm.display.scroller.clientWidth);if((isScroller?val==cm.doc.scrollLeft:Math.abs(cm.doc.scrollLeft-val)<2)&&!forceScroll){return}cm.doc.scrollLeft=val;alignHorizontally(cm);if(cm.display.scroller.scrollLeft!=val){cm.display.scroller.scrollLeft=val}cm.display.scrollbars.setScrollLeft(val)}function measureForScrollbars(cm){var d=cm.display,gutterW=d.gutters.offsetWidth;var docH=Math.round(cm.doc.height+paddingVert(cm.display));return{clientHeight:d.scroller.clientHeight,viewHeight:d.wrapper.clientHeight,scrollWidth:d.scroller.scrollWidth,clientWidth:d.scroller.clientWidth,viewWidth:d.wrapper.clientWidth,barLeft:cm.options.fixedGutter?gutterW:0,docHeight:docH,scrollHeight:docH+scrollGap(cm)+d.barHeight,nativeBarWidth:d.nativeBarWidth,gutterWidth:gutterW}}var NativeScrollbars=function(place,scroll,cm){this.cm=cm;var vert=this.vert=elt("div",[elt("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar");var horiz=this.horiz=elt("div",[elt("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");place(vert);place(horiz);on(vert,"scroll",function(){if(vert.clientHeight){scroll(vert.scrollTop,"vertical")}});on(horiz,"scroll",function(){if(horiz.clientWidth){scroll(horiz.scrollLeft,"horizontal")}});this.checkedZeroWidth=false;if(ie&&ie_version<8){this.horiz.style.minHeight=this.vert.style.minWidth="18px"}};NativeScrollbars.prototype.update=function(measure){var needsH=measure.scrollWidth>measure.clientWidth+1;var needsV=measure.scrollHeight>measure.clientHeight+1;var sWidth=measure.nativeBarWidth;if(needsV){this.vert.style.display="block";this.vert.style.bottom=needsH?sWidth+"px":"0";var totalHeight=measure.viewHeight-(needsH?sWidth:0);this.vert.firstChild.style.height=Math.max(0,measure.scrollHeight-measure.clientHeight+totalHeight)+"px"}else{this.vert.style.display="";this.vert.firstChild.style.height="0"}if(needsH){this.horiz.style.display="block";this.horiz.style.right=needsV?sWidth+"px":"0";this.horiz.style.left=measure.barLeft+"px";var totalWidth=measure.viewWidth-measure.barLeft-(needsV?sWidth:0);this.horiz.firstChild.style.width=Math.max(0,measure.scrollWidth-measure.clientWidth+totalWidth)+"px"}else{this.horiz.style.display="";this.horiz.firstChild.style.width="0"}if(!this.checkedZeroWidth&&measure.clientHeight>0){if(sWidth==0){this.zeroWidthHack()}this.checkedZeroWidth=true}return{right:needsV?sWidth:0,bottom:needsH?sWidth:0}};NativeScrollbars.prototype.setScrollLeft=function(pos){if(this.horiz.scrollLeft!=pos){this.horiz.scrollLeft=pos}if(this.disableHoriz){this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")}};NativeScrollbars.prototype.setScrollTop=function(pos){if(this.vert.scrollTop!=pos){this.vert.scrollTop=pos}if(this.disableVert){this.enableZeroWidthBar(this.vert,this.disableVert,"vert")}};NativeScrollbars.prototype.zeroWidthHack=function(){var w=mac&&!mac_geMountainLion?"12px":"18px";this.horiz.style.height=this.vert.style.width=w;this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none";this.disableHoriz=new Delayed;this.disableVert=new Delayed};NativeScrollbars.prototype.enableZeroWidthBar=function(bar,delay,type){bar.style.pointerEvents="auto";function maybeDisable(){var box=bar.getBoundingClientRect();var elt=type=="vert"?document.elementFromPoint(box.right-1,(box.top+box.bottom)/2):document.elementFromPoint((box.right+box.left)/2,box.bottom-1);if(elt!=bar){bar.style.pointerEvents="none"}else{delay.set(1e3,maybeDisable)}}delay.set(1e3,maybeDisable)};NativeScrollbars.prototype.clear=function(){var parent=this.horiz.parentNode;parent.removeChild(this.horiz);parent.removeChild(this.vert)};var NullScrollbars=function(){};NullScrollbars.prototype.update=function(){return{bottom:0,right:0}};NullScrollbars.prototype.setScrollLeft=function(){};NullScrollbars.prototype.setScrollTop=function(){};NullScrollbars.prototype.clear=function(){};function updateScrollbars(cm,measure){if(!measure){measure=measureForScrollbars(cm)}var startWidth=cm.display.barWidth,startHeight=cm.display.barHeight;updateScrollbarsInner(cm,measure);for(var i=0;i<4&&startWidth!=cm.display.barWidth||startHeight!=cm.display.barHeight;i++){if(startWidth!=cm.display.barWidth&&cm.options.lineWrapping){updateHeightsInViewport(cm)}updateScrollbarsInner(cm,measureForScrollbars(cm));startWidth=cm.display.barWidth;startHeight=cm.display.barHeight}}function updateScrollbarsInner(cm,measure){var d=cm.display;var sizes=d.scrollbars.update(measure);d.sizer.style.paddingRight=(d.barWidth=sizes.right)+"px";d.sizer.style.paddingBottom=(d.barHeight=sizes.bottom)+"px";d.heightForcer.style.borderBottom=sizes.bottom+"px solid transparent";if(sizes.right&&sizes.bottom){d.scrollbarFiller.style.display="block";d.scrollbarFiller.style.height=sizes.bottom+"px";d.scrollbarFiller.style.width=sizes.right+"px"}else{d.scrollbarFiller.style.display=""}if(sizes.bottom&&cm.options.coverGutterNextToScrollbar&&cm.options.fixedGutter){d.gutterFiller.style.display="block";d.gutterFiller.style.height=sizes.bottom+"px";d.gutterFiller.style.width=measure.gutterWidth+"px"}else{d.gutterFiller.style.display=""}}var scrollbarModel={native:NativeScrollbars,null:NullScrollbars};function initScrollbars(cm){if(cm.display.scrollbars){cm.display.scrollbars.clear();if(cm.display.scrollbars.addClass){rmClass(cm.display.wrapper,cm.display.scrollbars.addClass)}}cm.display.scrollbars=new scrollbarModel[cm.options.scrollbarStyle](function(node){cm.display.wrapper.insertBefore(node,cm.display.scrollbarFiller);on(node,"mousedown",function(){if(cm.state.focused){setTimeout(function(){return cm.display.input.focus()},0)}});node.setAttribute("cm-not-content","true")},function(pos,axis){if(axis=="horizontal"){setScrollLeft(cm,pos)}else{updateScrollTop(cm,pos)}},cm);if(cm.display.scrollbars.addClass){addClass(cm.display.wrapper,cm.display.scrollbars.addClass)}}var nextOpId=0;function startOperation(cm){cm.curOp={cm:cm,viewChanged:false,startHeight:cm.doc.height,forceUpdate:false,updateInput:null,typing:false,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:false,updateMaxLine:false,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:false,id:++nextOpId};pushOperation(cm.curOp)}function endOperation(cm){var op=cm.curOp;finishOperation(op,function(group){for(var i=0;i=display.viewTo)||display.maxLineChanged&&cm.options.lineWrapping;op.update=op.mustUpdate&&new DisplayUpdate(cm,op.mustUpdate&&{top:op.scrollTop,ensure:op.scrollToPos},op.forceUpdate)}function endOperation_W1(op){op.updatedDisplay=op.mustUpdate&&updateDisplayIfNeeded(op.cm,op.update)}function endOperation_R2(op){var cm=op.cm,display=cm.display;if(op.updatedDisplay){updateHeightsInViewport(cm)}op.barMeasure=measureForScrollbars(cm);if(display.maxLineChanged&&!cm.options.lineWrapping){op.adjustWidthTo=measureChar(cm,display.maxLine,display.maxLine.text.length).left+3;cm.display.sizerWidth=op.adjustWidthTo;op.barMeasure.scrollWidth=Math.max(display.scroller.clientWidth,display.sizer.offsetLeft+op.adjustWidthTo+scrollGap(cm)+cm.display.barWidth);op.maxScrollLeft=Math.max(0,display.sizer.offsetLeft+op.adjustWidthTo-displayWidth(cm))}if(op.updatedDisplay||op.selectionChanged){op.preparedSelection=display.input.prepareSelection(op.focus)}}function endOperation_W2(op){var cm=op.cm;if(op.adjustWidthTo!=null){cm.display.sizer.style.minWidth=op.adjustWidthTo+"px";if(op.maxScrollLeft