diff --git a/css/codemirror.css b/css/codemirror.css
new file mode 100644
index 0000000..c7a8ae7
--- /dev/null
+++ b/css/codemirror.css
@@ -0,0 +1,346 @@
+/* BASICS */
+
+.CodeMirror {
+  /* Set height, width, borders, and global font properties here */
+  font-family: monospace;
+  height: 300px;
+  color: black;
+  direction: ltr;
+}
+
+/* PADDING */
+
+.CodeMirror-lines {
+  padding: 4px 0; /* Vertical padding around content */
+}
+.CodeMirror pre {
+  padding: 0 4px; /* Horizontal padding of content */
+}
+
+.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  background-color: white; /* The little square between H and V scrollbars */
+}
+
+/* GUTTER */
+
+.CodeMirror-gutters {
+  border-right: 1px solid #ddd;
+  background-color: #f7f7f7;
+  white-space: nowrap;
+}
+.CodeMirror-linenumbers {}
+.CodeMirror-linenumber {
+  padding: 0 3px 0 5px;
+  min-width: 20px;
+  text-align: right;
+  color: #999;
+  white-space: nowrap;
+}
+
+.CodeMirror-guttermarker { color: black; }
+.CodeMirror-guttermarker-subtle { color: #999; }
+
+/* CURSOR */
+
+.CodeMirror-cursor {
+  border-left: 1px solid black;
+  border-right: none;
+  width: 0;
+}
+/* Shown when moving in bi-directional text */
+.CodeMirror div.CodeMirror-secondarycursor {
+  border-left: 1px solid silver;
+}
+.cm-fat-cursor .CodeMirror-cursor {
+  width: auto;
+  border: 0 !important;
+  background: #7e7;
+}
+.cm-fat-cursor div.CodeMirror-cursors {
+  z-index: 1;
+}
+.cm-fat-cursor-mark {
+  background-color: rgba(20, 255, 20, 0.5);
+  -webkit-animation: blink 1.06s steps(1) infinite;
+  -moz-animation: blink 1.06s steps(1) infinite;
+  animation: blink 1.06s steps(1) infinite;
+}
+.cm-animate-fat-cursor {
+  width: auto;
+  border: 0;
+  -webkit-animation: blink 1.06s steps(1) infinite;
+  -moz-animation: blink 1.06s steps(1) infinite;
+  animation: blink 1.06s steps(1) infinite;
+  background-color: #7e7;
+}
+@-moz-keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+@-webkit-keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+@keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+
+/* Can style cursor different in overwrite (non-insert) mode */
+.CodeMirror-overwrite .CodeMirror-cursor {}
+
+.cm-tab { display: inline-block; text-decoration: inherit; }
+
+.CodeMirror-rulers {
+  position: absolute;
+  left: 0; right: 0; top: -50px; bottom: -20px;
+  overflow: hidden;
+}
+.CodeMirror-ruler {
+  border-left: 1px solid #ccc;
+  top: 0; bottom: 0;
+  position: absolute;
+}
+
+/* DEFAULT THEME */
+
+.cm-s-default .cm-header {color: blue;}
+.cm-s-default .cm-quote {color: #090;}
+.cm-negative {color: #d44;}
+.cm-positive {color: #292;}
+.cm-header, .cm-strong {font-weight: bold;}
+.cm-em {font-style: italic;}
+.cm-link {text-decoration: underline;}
+.cm-strikethrough {text-decoration: line-through;}
+
+.cm-s-default .cm-keyword {color: #708;}
+.cm-s-default .cm-atom {color: #219;}
+.cm-s-default .cm-number {color: #164;}
+.cm-s-default .cm-def {color: #00f;}
+.cm-s-default .cm-variable,
+.cm-s-default .cm-punctuation,
+.cm-s-default .cm-property,
+.cm-s-default .cm-operator {}
+.cm-s-default .cm-variable-2 {color: #05a;}
+.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;}
+.cm-s-default .cm-comment {color: #a50;}
+.cm-s-default .cm-string {color: #a11;}
+.cm-s-default .cm-string-2 {color: #f50;}
+.cm-s-default .cm-meta {color: #555;}
+.cm-s-default .cm-qualifier {color: #555;}
+.cm-s-default .cm-builtin {color: #30a;}
+.cm-s-default .cm-bracket {color: #997;}
+.cm-s-default .cm-tag {color: #170;}
+.cm-s-default .cm-attribute {color: #00c;}
+.cm-s-default .cm-hr {color: #999;}
+.cm-s-default .cm-link {color: #00c;}
+
+.cm-s-default .cm-error {color: #f00;}
+.cm-invalidchar {color: #f00;}
+
+.CodeMirror-composing { border-bottom: 2px solid; }
+
+/* Default styles for common addons */
+
+div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;}
+div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
+.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
+.CodeMirror-activeline-background {background: #e8f2ff;}
+
+/* STOP */
+
+/* The rest of this file contains styles related to the mechanics of
+   the editor. You probably shouldn't touch them. */
+
+.CodeMirror {
+  position: relative;
+  overflow: hidden;
+  background: white;
+}
+
+.CodeMirror-scroll {
+  overflow: scroll !important; /* Things will break if this is overridden */
+  /* 30px is the magic margin used to hide the element's real scrollbars */
+  /* See overflow: hidden in .CodeMirror */
+  margin-bottom: -30px; margin-right: -30px;
+  padding-bottom: 30px;
+  height: 100%;
+  outline: none; /* Prevent dragging from highlighting the element */
+  position: relative;
+}
+.CodeMirror-sizer {
+  position: relative;
+  border-right: 30px solid transparent;
+}
+
+/* The fake, visible scrollbars. Used to force redraw during scrolling
+   before actual scrolling happens, thus preventing shaking and
+   flickering artifacts. */
+.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  position: absolute;
+  z-index: 6;
+  display: none;
+}
+.CodeMirror-vscrollbar {
+  right: 0; top: 0;
+  overflow-x: hidden;
+  overflow-y: scroll;
+}
+.CodeMirror-hscrollbar {
+  bottom: 0; left: 0;
+  overflow-y: hidden;
+  overflow-x: scroll;
+}
+.CodeMirror-scrollbar-filler {
+  right: 0; bottom: 0;
+}
+.CodeMirror-gutter-filler {
+  left: 0; bottom: 0;
+}
+
+.CodeMirror-gutters {
+  position: absolute; left: 0; top: 0;
+  min-height: 100%;
+  z-index: 3;
+}
+.CodeMirror-gutter {
+  white-space: normal;
+  height: 100%;
+  display: inline-block;
+  vertical-align: top;
+  margin-bottom: -30px;
+}
+.CodeMirror-gutter-wrapper {
+  position: absolute;
+  z-index: 4;
+  background: none !important;
+  border: none !important;
+}
+.CodeMirror-gutter-background {
+  position: absolute;
+  top: 0; bottom: 0;
+  z-index: 4;
+}
+.CodeMirror-gutter-elt {
+  position: absolute;
+  cursor: default;
+  z-index: 4;
+}
+.CodeMirror-gutter-wrapper ::selection { background-color: transparent }
+.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent }
+
+.CodeMirror-lines {
+  cursor: text;
+  min-height: 1px; /* prevents collapsing before first draw */
+}
+.CodeMirror pre {
+  /* Reset some styles that the rest of the page might have set */
+  -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
+  border-width: 0;
+  background: transparent;
+  font-family: inherit;
+  font-size: inherit;
+  margin: 0;
+  white-space: pre;
+  word-wrap: normal;
+  line-height: inherit;
+  color: inherit;
+  z-index: 2;
+  position: relative;
+  overflow: visible;
+  -webkit-tap-highlight-color: transparent;
+  -webkit-font-variant-ligatures: contextual;
+  font-variant-ligatures: contextual;
+}
+.CodeMirror-wrap pre {
+  word-wrap: break-word;
+  white-space: pre-wrap;
+  word-break: normal;
+}
+
+.CodeMirror-linebackground {
+  position: absolute;
+  left: 0; right: 0; top: 0; bottom: 0;
+  z-index: 0;
+}
+
+.CodeMirror-linewidget {
+  position: relative;
+  z-index: 2;
+  padding: 0.1px; /* Force widget margins to stay inside of the container */
+}
+
+.CodeMirror-widget {}
+
+.CodeMirror-rtl pre { direction: rtl; }
+
+.CodeMirror-code {
+  outline: none;
+}
+
+/* Force content-box sizing for the elements where we expect it */
+.CodeMirror-scroll,
+.CodeMirror-sizer,
+.CodeMirror-gutter,
+.CodeMirror-gutters,
+.CodeMirror-linenumber {
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+
+.CodeMirror-measure {
+  position: absolute;
+  width: 100%;
+  height: 0;
+  overflow: hidden;
+  visibility: hidden;
+}
+
+.CodeMirror-cursor {
+  position: absolute;
+  pointer-events: none;
+}
+.CodeMirror-measure pre { position: static; }
+
+div.CodeMirror-cursors {
+  visibility: hidden;
+  position: relative;
+  z-index: 3;
+}
+div.CodeMirror-dragcursors {
+  visibility: visible;
+}
+
+.CodeMirror-focused div.CodeMirror-cursors {
+  visibility: visible;
+}
+
+.CodeMirror-selected { background: #d9d9d9; }
+.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
+.CodeMirror-crosshair { cursor: crosshair; }
+.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }
+.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }
+
+.cm-searching {
+  background-color: #ffa;
+  background-color: rgba(255, 255, 0, .4);
+}
+
+/* Used to force a border model for a node */
+.cm-force-border { padding-right: .1px; }
+
+@media print {
+  /* Hide the cursor when printing */
+  .CodeMirror div.CodeMirror-cursors {
+    visibility: hidden;
+  }
+}
+
+/* See issue #2901 */
+.cm-tab-wrap-hack:after { content: ''; }
+
+/* Help users use markselection to safely style text background */
+span.CodeMirror-selectedtext { background: none; }
diff --git a/css/style.css b/css/style.css
index e94904c..7f12d9e 100644
--- a/css/style.css
+++ b/css/style.css
@@ -370,14 +370,31 @@ a.underline {
     width: 100%;
     height: 100%;
     color: inherit;
-    font-family: "SF Mono", Menlo, monospace;
     background: none;
     outline: none;
     border: none;
-    padding: 10px;
     flex: 1;
 }
 
+.editor__area .CodeMirror {
+    font-family: "SF Mono", Menlo, monospace;
+    font-size: 11px;
+}
+
+.editor__area .CodeMirror-gutters {
+    background-color: transparent;
+    border-right: 1px solid #eee;
+    padding-right: 5px;
+}
+
+.editor__area .CodeMirror-linenumber {
+    color: #ccc;
+}
+
+.editor__area .CodeMirror pre {
+    padding: 0 8px;
+}
+
 .editor__viewer {
     overflow: auto;
     border-left: 2px solid #ddd;
diff --git a/index.html b/index.html
index 6c290ba..5802d89 100644
--- a/index.html
+++ b/index.html
@@ -3,6 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <title>Seed</title>
+    <link rel="stylesheet" href="/css/codemirror.css">
     <link rel="stylesheet" href="/css/style.css">
 </head>
 <body>
@@ -19,6 +20,7 @@
       firebase.initializeApp(config);
     </script>
     <script src="/third_party/bundle.min.js"></script>
+    <script src="/third_party/codemirror.min.js"></script>
     <script src="/js/core.js"></script>
     <script src="/js/editor.js"></script>
 </body>
diff --git a/js/editor.js b/js/editor.js
index 86a2305..fe9013c 100644
--- a/js/editor.js
+++ b/js/editor.js
@@ -164,6 +164,40 @@ class LoadSketch {
     }
 }
 
+class Source extends Component {
+    componentDidMount() {
+        const options = {
+            value: this.props.source,
+            indentUnit: 2,
+            lineNumbers: true,
+        };
+        this.codeMirror = CodeMirror.fromTextArea(this.textAreaRef, options);
+        this.codeMirror.on('change', this.onChanged.bind(this));
+    }
+
+    componentWillUnmount() {
+        if (this.codeMirror) {
+            this.codeMirror.toTextArea();
+        }
+    }
+
+    onChanged(doc, change) {
+        if (change.origin === 'setValue') return;
+        this.props.onSourceChanged(doc.getValue());
+    }
+
+    onInput(e) {
+        const source = e.target.value;
+        this.props.onSourceChanged(source);
+    }
+
+    render(props) {
+        return h('div', { className: 'editor__area' },
+            h('textarea', { ref: ref => (this.textAreaRef = ref), className: 'editor__source', value: this.props.source, onInput: this.onInput.bind(this), readonly: this.props.loading }),
+        );
+    }
+}
+
 class Editor extends Component {
     constructor(props) {
         super(props);
@@ -244,8 +278,7 @@ class Editor extends Component {
         document.querySelector('html').classList.remove('fullscreen');
     }
 
-    onInput(e) {
-        const source = e.target.value;
+    onSourceChanged(source) {
         this.setState({ source });
         if (this.props.onSourceChanged) {
             this.props.onSourceChanged(source);
@@ -345,8 +378,8 @@ class Editor extends Component {
                     h(SeedPicker, { seed: this.state.seed, onSetSeed: this.onSetSeed.bind(this), onPrevSeed: this.onPrevSeed.bind(this), onNextSeed: this.onNextSeed.bind(this) })
                 ),
                 h('div', { className: 'editor__source' },
-                    h('textarea', { className: 'editor__area', value: source, onInput: this.onInput.bind(this), readonly: state.loading }),
-                        debugView
+                    h(Source, { source, loading: this.state.loading, onSourceChanged: this.onSourceChanged.bind(this) }),
+                    debugView
                 ),
             ),
             h('div', { className: 'editor__viewer-wrap'},
diff --git a/third_party/codemirror.min.js b/third_party/codemirror.min.js
new file mode 100755
index 0000000..61530e5
--- /dev/null
+++ b/third_party/codemirror.min.js
@@ -0,0 +1 @@
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.CodeMirror=t()}(this,function(){"use strict";var e=navigator.userAgent,t=navigator.platform,r=/gecko\/\d/i.test(e),n=/MSIE \d/.test(e),i=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(e),o=/Edge\/(\d+)/.exec(e),l=n||i||o,s=l&&(n?document.documentMode||6:+(o||i)[1]),a=!o&&/WebKit\//.test(e),u=a&&/Qt\/\d+\.\d+/.test(e),c=!o&&/Chrome\//.test(e),h=/Opera\//.test(e),f=/Apple Computer/.test(navigator.vendor),d=/Mac OS X 1\d\D([8-9]|\d\d)\D/.test(e),p=/PhantomJS/.test(e),g=!o&&/AppleWebKit/.test(e)&&/Mobile\/\w+/.test(e),v=/Android/.test(e),m=g||v||/webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(e),y=g||/Mac/.test(t),b=/\bCrOS\b/.test(e),w=/win/i.test(t),x=h&&e.match(/Version\/(\d*\.\d*)/);x&&(x=Number(x[1])),x&&x>=15&&(h=!1,a=!0);var C=y&&(u||h&&(null==x||x<12.11)),S=r||l&&s>=9;function L(e){return new RegExp("(^|\\s)"+e+"(?:$|\\s)\\s*")}var k,T=function(e,t){var r=e.className,n=L(t).exec(r);if(n){var i=r.slice(n.index+n[0].length);e.className=r.slice(0,n.index)+(i?n[1]+i:"")}};function M(e){for(var t=e.childNodes.length;t>0;--t)e.removeChild(e.firstChild);return e}function N(e,t){return M(e).appendChild(t)}function O(e,t,r,n){var i=document.createElement(e);if(r&&(i.className=r),n&&(i.style.cssText=n),"string"==typeof t)i.appendChild(document.createTextNode(t));else if(t)for(var o=0;o<t.length;++o)i.appendChild(t[o]);return i}function A(e,t,r,n){var i=O(e,t,r,n);return i.setAttribute("role","presentation"),i}function W(e,t){if(3==t.nodeType&&(t=t.parentNode),e.contains)return e.contains(t);do{if(11==t.nodeType&&(t=t.host),t==e)return!0}while(t=t.parentNode)}function D(){var e;try{e=document.activeElement}catch(t){e=document.body||null}for(;e&&e.shadowRoot&&e.shadowRoot.activeElement;)e=e.shadowRoot.activeElement;return e}function H(e,t){var r=e.className;L(t).test(r)||(e.className+=(r?" ":"")+t)}function F(e,t){for(var r=e.split(" "),n=0;n<r.length;n++)r[n]&&!L(r[n]).test(t)&&(t+=" "+r[n]);return t}k=document.createRange?function(e,t,r,n){var i=document.createRange();return i.setEnd(n||e,r),i.setStart(e,t),i}:function(e,t,r){var n=document.body.createTextRange();try{n.moveToElementText(e.parentNode)}catch(e){return n}return n.collapse(!0),n.moveEnd("character",r),n.moveStart("character",t),n};var P=function(e){e.select()};function E(e){var t=Array.prototype.slice.call(arguments,1);return function(){return e.apply(null,t)}}function z(e,t,r){for(var n in t||(t={}),e)!e.hasOwnProperty(n)||!1===r&&t.hasOwnProperty(n)||(t[n]=e[n]);return t}function I(e,t,r,n,i){null==t&&-1==(t=e.search(/[^\s\u00a0]/))&&(t=e.length);for(var o=n||0,l=i||0;;){var s=e.indexOf("\t",o);if(s<0||s>=t)return l+(t-o);l+=s-o,l+=r-l%r,o=s+1}}g?P=function(e){e.selectionStart=0,e.selectionEnd=e.value.length}:l&&(P=function(e){try{e.select()}catch(e){}});var R=function(){this.id=null};function 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Zt(e,t,r,n,i,o,a){if(t){var u,c=e.splitSpaces?function(e,t){if(e.length>1&&!/  /.test(e))return e;for(var r=t,n="",i=0;i<e.length;i++){var o=e.charAt(i);" "!=o||!r||i!=e.length-1&&32!=e.charCodeAt(i+1)||(o=" "),n+=o,r=" "==o}return n}(t,e.trailingSpace):t,h=e.cm.state.specialChars,f=!1;if(h.test(t)){u=document.createDocumentFragment();for(var d=0;;){h.lastIndex=d;var p=h.exec(t),g=p?p.index-d:t.length-d;if(g){var v=document.createTextNode(c.slice(d,d+g));l&&s<9?u.appendChild(O("span",[v])):u.appendChild(v),e.map.push(e.pos,e.pos+g,v),e.col+=g,e.pos+=g}if(!p)break;d+=g+1;var m=void 0;if("\t"==p[0]){var y=e.cm.options.tabSize,b=y-e.col%y;(m=u.appendChild(O("span",_(b),"cm-tab"))).setAttribute("role","presentation"),m.setAttribute("cm-text","\t"),e.col+=b}else"\r"==p[0]||"\n"==p[0]?((m=u.appendChild(O("span","\r"==p[0]?"␍":"␤","cm-invalidchar"))).setAttribute("cm-text",p[0]),e.col+=1):((m=e.cm.options.specialCharPlaceholder(p[0])).setAttribute("cm-text",p[0]),l&&s<9?u.appendChild(O("span",[m])):u.appendChild(m),e.col+=1);e.map.push(e.pos,e.pos+1,m),e.pos++}}else e.col+=t.length,u=document.createTextNode(c),e.map.push(e.pos,e.pos+t.length,u),l&&s<9&&(f=!0),e.pos+=t.length;if(e.trailingSpace=32==c.charCodeAt(t.length-1),r||n||i||f||a){var w=r||"";n&&(w+=n),i&&(w+=i);var x=O("span",[u],w,a);return o&&(x.title=o),e.content.appendChild(x)}e.content.appendChild(u)}}function Qt(e,t){return function(r,n,i,o,l,s,a){i=i?i+" cm-force-border":"cm-force-border";for(var u=r.pos,c=u+n.length;;){for(var h=void 0,f=0;f<t.length&&!((h=t[f]).to>u&&h.from<=u);f++);if(h.to>=c)return 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r=t.text.className,n=ur(e,t);t.text==t.node&&(t.node=n.pre),t.text.parentNode.replaceChild(n.pre,t.text),t.text=n.pre,n.bgClass!=t.bgClass||n.textClass!=t.textClass?(t.bgClass=n.bgClass,t.textClass=n.textClass,hr(e,t)):r&&(t.text.className=r)}function hr(e,t){!function(e,t){var r=t.bgClass?t.bgClass+" "+(t.line.bgClass||""):t.line.bgClass;if(r&&(r+=" CodeMirror-linebackground"),t.background)r?t.background.className=r:(t.background.parentNode.removeChild(t.background),t.background=null);else if(r){var n=ar(t);t.background=n.insertBefore(O("div",null,r),n.firstChild),e.display.input.setUneditable(t.background)}}(e,t),t.line.wrapClass?ar(t).className=t.line.wrapClass:t.node!=t.text&&(t.node.className="");var r=t.textClass?t.textClass+" "+(t.line.textClass||""):t.line.textClass;t.text.className=r||""}function fr(e,t,r,n){if(t.gutter&&(t.node.removeChild(t.gutter),t.gutter=null),t.gutterBackground&&(t.node.removeChild(t.gutterBackground),t.gutterBackground=null),t.line.gutterClass){var 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t=e.display,r={},n={},i=t.gutters.clientLeft,o=t.gutters.firstChild,l=0;o;o=o.nextSibling,++l)r[e.options.gutters[l]]=o.offsetLeft+o.clientLeft+i,n[e.options.gutters[l]]=o.clientWidth;return{fixedPos:en(t),gutterTotalWidth:t.gutters.offsetWidth,gutterLeft:r,gutterWidth:n,wrapperWidth:t.wrapper.clientWidth}}function en(e){return e.scroller.getBoundingClientRect().left-e.sizer.getBoundingClientRect().left}function tn(e){var t=Zr(e.display),r=e.options.lineWrapping,n=r&&Math.max(5,e.display.scroller.clientWidth/Qr(e.display)-3);return function(i){if(Ve(e.doc,i))return 0;var o=0;if(i.widgets)for(var l=0;l<i.widgets.length;l++)i.widgets[l].height&&(o+=i.widgets[l].height);return r?o+(Math.ceil(i.text.length/n)||1)*t:o+t}}function rn(e){var t=e.doc,r=tn(e);t.iter(function(e){var t=r(e);t!=e.height&&ce(e,t)})}function nn(e,t,r,n){var i=e.display;if(!r&&"true"==ht(t).getAttribute("cm-not-content"))return null;var o,l,s=i.lineSpace.getBoundingClientRect();try{o=t.clientX-s.left,l=t.clientY-s.top}catch(t){return null}var a,u=Xr(e,o,l);if(n&&1==u.xRel&&(a=se(e.doc,u.line).text).length==u.ch){var c=I(a,a.length,e.options.tabSize)-a.length;u=ge(u.line,Math.max(0,Math.round((o-xr(e.display).left)/Qr(e.display))-c))}return u}function on(e,t){if(t>=e.display.viewTo)return null;if((t-=e.display.viewFrom)<0)return null;for(var r=e.display.view,n=0;n<r.length;n++)if((t-=r[n].size)<0)return n}function ln(e){e.display.input.showSelection(e.display.input.prepareSelection())}function sn(e,t){void 0===t&&(t=!0);for(var r=e.doc,n={},i=n.cursors=document.createDocumentFragment(),o=n.selection=document.createDocumentFragment(),l=0;l<r.sel.ranges.length;l++)if(t||l!=r.sel.primIndex){var s=r.sel.ranges[l];if(!(s.from().line>=e.display.viewTo||s.to().line<e.display.viewFrom)){var a=s.empty();(a||e.options.showCursorWhenSelecting)&&an(e,s.head,i),a||cn(e,s,o)}}return n}function an(e,t,r){var n=Vr(e,t,"div",null,null,!e.options.singleCursorHeightPerLine),i=r.appendChild(O("div"," ","CodeMirror-cursor"));if(i.style.left=n.left+"px",i.style.top=n.top+"px",i.style.height=Math.max(0,n.bottom-n.top)*e.options.cursorHeight+"px",n.other){var o=r.appendChild(O("div"," ","CodeMirror-cursor CodeMirror-secondarycursor"));o.style.display="",o.style.left=n.other.left+"px",o.style.top=n.other.top+"px",o.style.height=.85*(n.other.bottom-n.other.top)+"px"}}function un(e,t){return e.top-t.top||e.left-t.left}function cn(e,t,r){var n=e.display,i=e.doc,o=document.createDocumentFragment(),l=xr(e.display),s=l.left,a=Math.max(n.sizerWidth,Sr(e)-n.sizer.offsetLeft)-l.right,u="ltr"==i.direction;function c(e,t,r,n){t<0&&(t=0),t=Math.round(t),n=Math.round(n),o.appendChild(O("div",null,"CodeMirror-selected","position: absolute; left: "+e+"px;\n                             top: "+t+"px; width: "+(null==r?a-e:r)+"px;\n                             height: "+(n-t)+"px"))}function h(t,r,n){var o,l,h=se(i,t),f=h.text.length;function d(r,n){return Ur(e,ge(t,r),"div",h,n)}function p(t,r,n){var i=_r(e,h,null,t),o="ltr"==r==("after"==n)?"left":"right";return d("after"==n?i.begin:i.end-(/\s/.test(h.text.charAt(i.end-1))?2:1),o)[o]}var g=Ze(h,i.direction);return function(e,t,r,n){if(!e)return n(t,r,"ltr",0);for(var i=!1,o=0;o<e.length;++o){var l=e[o];(l.from<r&&l.to>t||t==r&&l.to==t)&&(n(Math.max(l.from,t),Math.min(l.to,r),1==l.level?"rtl":"ltr",o),i=!0)}i||n(t,r,"ltr")}(g,r||0,null==n?f:n,function(e,t,i,h){var v="ltr"==i,m=d(e,v?"left":"right"),y=d(t-1,v?"right":"left"),b=null==r&&0==e,w=null==n&&t==f,x=0==h,C=!g||h==g.length-1;if(y.top-m.top<=3){var S=(u?w:b)&&C,L=(u?b:w)&&x?s:(v?m:y).left,k=S?a:(v?y:m).right;c(L,m.top,k-L,m.bottom)}else{var T,M,N,O;v?(T=u&&b&&x?s:m.left,M=u?a:p(e,i,"before"),N=u?s:p(t,i,"after"),O=u&&w&&C?a:y.right):(T=u?p(e,i,"before"):s,M=!u&&b&&x?a:m.right,N=!u&&w&&C?s:y.left,O=u?p(t,i,"after"):a),c(T,m.top,M-T,m.bottom),m.bottom<y.top&&c(s,m.bottom,null,y.top),c(N,y.top,O-N,y.bottom)}(!o||un(m,o)<0)&&(o=m),un(y,o)<0&&(o=y),(!l||un(m,l)<0)&&(l=m),un(y,l)<0&&(l=y)}),{start:o,end:l}}var f=t.from(),d=t.to();if(f.line==d.line)h(f.line,f.ch,d.ch);else{var p=se(i,f.line),g=se(i,d.line),v=Be(p)==Be(g),m=h(f.line,f.ch,v?p.text.length+1:null).end,y=h(d.line,v?0:null,d.ch).start;v&&(m.top<y.top-2?(c(m.right,m.top,null,m.bottom),c(s,y.top,y.left,y.bottom)):c(m.right,m.top,y.left-m.right,m.bottom)),m.bottom<y.top&&c(s,m.bottom,null,y.top)}r.appendChild(o)}function hn(e){if(e.state.focused){var t=e.display;clearInterval(t.blinker);var r=!0;t.cursorDiv.style.visibility="",e.options.cursorBlinkRate>0?t.blinker=setInterval(function(){return t.cursorDiv.style.visibility=(r=!r)?"":"hidden"},e.options.cursorBlinkRate):e.options.cursorBlinkRate<0&&(t.cursorDiv.style.visibility="hidden")}}function fn(e){e.state.focused||(e.display.input.focus(),pn(e))}function dn(e){e.state.delayingBlurEvent=!0,setTimeout(function(){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1,gn(e))},100)}function pn(e,t){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1),"nocursor"!=e.options.readOnly&&(e.state.focused||(rt(e,"focus",e,t),e.state.focused=!0,H(e.display.wrapper,"CodeMirror-focused"),e.curOp||e.display.selForContextMenu==e.doc.sel||(e.display.input.reset(),a&&setTimeout(function(){return e.display.input.reset(!0)},20)),e.display.input.receivedFocus()),hn(e))}function gn(e,t){e.state.delayingBlurEvent||(e.state.focused&&(rt(e,"blur",e,t),e.state.focused=!1,T(e.display.wrapper,"CodeMirror-focused")),clearInterval(e.display.blinker),setTimeout(function(){e.state.focused||(e.display.shift=!1)},150))}function vn(e){for(var t=e.display,r=t.lineDiv.offsetTop,n=0;n<t.view.length;n++){var i=t.view[n],o=void 0;if(!i.hidden){if(l&&s<8){var a=i.node.offsetTop+i.node.offsetHeight;o=a-r,r=a}else{var u=i.node.getBoundingClientRect();o=u.bottom-u.top}var c=i.line.height-o;if(o<2&&(o=Zr(t)),(c>.005||c<-.005)&&(ce(i.line,o),mn(i.line),i.rest))for(var h=0;h<i.rest.length;h++)mn(i.rest[h])}}}function mn(e){if(e.widgets)for(var t=0;t<e.widgets.length;++t){var r=e.widgets[t],n=r.node.parentNode;n&&(r.height=n.offsetHeight)}}function yn(e,t,r){var n=r&&null!=r.top?Math.max(0,r.top):e.scroller.scrollTop;n=Math.floor(n-br(e));var i=r&&null!=r.bottom?r.bottom:n+e.wrapper.clientHeight,o=fe(t,n),l=fe(t,i);if(r&&r.ensure){var s=r.ensure.from.line,a=r.ensure.to.line;s<o?(o=s,l=fe(t,je(se(t,s))+e.wrapper.clientHeight)):Math.min(a,t.lastLine())>=l&&(o=fe(t,je(se(t,a))-e.wrapper.clientHeight),l=a)}return{from:o,to:Math.max(l,o+1)}}function bn(e){var t=e.display,r=t.view;if(t.alignWidgets||t.gutters.firstChild&&e.options.fixedGutter){for(var n=en(t)-t.scroller.scrollLeft+e.doc.scrollLeft,i=t.gutters.offsetWidth,o=n+"px",l=0;l<r.length;l++)if(!r[l].hidden){e.options.fixedGutter&&(r[l].gutter&&(r[l].gutter.style.left=o),r[l].gutterBackground&&(r[l].gutterBackground.style.left=o));var s=r[l].alignable;if(s)for(var a=0;a<s.length;a++)s[a].style.left=o}e.options.fixedGutter&&(t.gutters.style.left=n+i+"px")}}function wn(e){if(!e.options.lineNumbers)return!1;var t=e.doc,r=pe(e.options,t.first+t.size-1),n=e.display;if(r.length!=n.lineNumChars){var i=n.measure.appendChild(O("div",[O("div",r)],"CodeMirror-linenumber CodeMirror-gutter-elt")),o=i.firstChild.offsetWidth,l=i.offsetWidth-o;return n.lineGutter.style.width="",n.lineNumInnerWidth=Math.max(o,n.lineGutter.offsetWidth-l)+1,n.lineNumWidth=n.lineNumInnerWidth+l,n.lineNumChars=n.lineNumInnerWidth?r.length:-1,n.lineGutter.style.width=n.lineNumWidth+"px",oi(e),!0}return!1}function xn(e,t){var r=e.display,n=Zr(e.display);t.top<0&&(t.top=0);var i=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:r.scroller.scrollTop,o=Lr(e),l={};t.bottom-t.top>o&&(t.bottom=t.top+o);var s=e.doc.height+wr(r),a=t.top<n,u=t.bottom>s-n;if(t.top<i)l.scrollTop=a?0:t.top;else if(t.bottom>i+o){var c=Math.min(t.top,(u?s:t.bottom)-o);c!=i&&(l.scrollTop=c)}var h=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:r.scroller.scrollLeft,f=Sr(e)-(e.options.fixedGutter?r.gutters.offsetWidth:0),d=t.right-t.left>f;return d&&(t.right=t.left+f),t.left<10?l.scrollLeft=0:t.left<h?l.scrollLeft=Math.max(0,t.left-(d?0:10)):t.right>f+h-3&&(l.scrollLeft=t.right+(d?0:10)-f),l}function Cn(e,t){null!=t&&(kn(e),e.curOp.scrollTop=(null==e.curOp.scrollTop?e.doc.scrollTop:e.curOp.scrollTop)+t)}function Sn(e){kn(e);var t=e.getCursor();e.curOp.scrollToPos={from:t,to:t,margin:e.options.cursorScrollMargin}}function Ln(e,t,r){null==t&&null==r||kn(e),null!=t&&(e.curOp.scrollLeft=t),null!=r&&(e.curOp.scrollTop=r)}function kn(e){var t=e.curOp.scrollToPos;t&&(e.curOp.scrollToPos=null,Tn(e,Kr(e,t.from),Kr(e,t.to),t.margin))}function Tn(e,t,r,n){var i=xn(e,{left:Math.min(t.left,r.left),top:Math.min(t.top,r.top)-n,right:Math.max(t.right,r.right),bottom:Math.max(t.bottom,r.bottom)+n});Ln(e,i.scrollLeft,i.scrollTop)}function Mn(e,t){Math.abs(e.doc.scrollTop-t)<2||(r||ii(e,{top:t}),Nn(e,t,!0),r&&ii(e),Jn(e,100))}function Nn(e,t,r){t=Math.min(e.display.scroller.scrollHeight-e.display.scroller.clientHeight,t),(e.display.scroller.scrollTop!=t||r)&&(e.doc.scrollTop=t,e.display.scrollbars.setScrollTop(t),e.display.scroller.scrollTop!=t&&(e.display.scroller.scrollTop=t))}function On(e,t,r,n){t=Math.min(t,e.display.scroller.scrollWidth-e.display.scroller.clientWidth),(r?t==e.doc.scrollLeft:Math.abs(e.doc.scrollLeft-t)<2)&&!n||(e.doc.scrollLeft=t,bn(e),e.display.scroller.scrollLeft!=t&&(e.display.scroller.scrollLeft=t),e.display.scrollbars.setScrollLeft(t))}function An(e){var t=e.display,r=t.gutters.offsetWidth,n=Math.round(e.doc.height+wr(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?r:0,docHeight:n,scrollHeight:n+Cr(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:r}}var Wn=function(e,t,r){this.cm=r;var n=this.vert=O("div",[O("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),i=this.horiz=O("div",[O("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");e(n),e(i),Je(n,"scroll",function(){n.clientHeight&&t(n.scrollTop,"vertical")}),Je(i,"scroll",function(){i.clientWidth&&t(i.scrollLeft,"horizontal")}),this.checkedZeroWidth=!1,l&&s<8&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")};Wn.prototype.update=function(e){var t=e.scrollWidth>e.clientWidth+1,r=e.scrollHeight>e.clientHeight+1,n=e.nativeBarWidth;if(r){this.vert.style.display="block",this.vert.style.bottom=t?n+"px":"0";var i=e.viewHeight-(t?n:0);this.vert.firstChild.style.height=Math.max(0,e.scrollHeight-e.clientHeight+i)+"px"}else this.vert.style.display="",this.vert.firstChild.style.height="0";if(t){this.horiz.style.display="block",this.horiz.style.right=r?n+"px":"0",this.horiz.style.left=e.barLeft+"px";var o=e.viewWidth-e.barLeft-(r?n:0);this.horiz.firstChild.style.width=Math.max(0,e.scrollWidth-e.clientWidth+o)+"px"}else this.horiz.style.display="",this.horiz.firstChild.style.width="0";return!this.checkedZeroWidth&&e.clientHeight>0&&(0==n&&this.zeroWidthHack(),this.checkedZeroWidth=!0),{right:r?n:0,bottom:t?n:0}},Wn.prototype.setScrollLeft=function(e){this.horiz.scrollLeft!=e&&(this.horiz.scrollLeft=e),this.disableHoriz&&this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")},Wn.prototype.setScrollTop=function(e){this.vert.scrollTop!=e&&(this.vert.scrollTop=e),this.disableVert&&this.enableZeroWidthBar(this.vert,this.disableVert,"vert")},Wn.prototype.zeroWidthHack=function(){var e=y&&!d?"12px":"18px";this.horiz.style.height=this.vert.style.width=e,this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none",this.disableHoriz=new R,this.disableVert=new R},Wn.prototype.enableZeroWidthBar=function(e,t,r){e.style.pointerEvents="auto",t.set(1e3,function n(){var i=e.getBoundingClientRect();("vert"==r?document.elementFromPoint(i.right-1,(i.top+i.bottom)/2):document.elementFromPoint((i.right+i.left)/2,i.bottom-1))!=e?e.style.pointerEvents="none":t.set(1e3,n)})},Wn.prototype.clear=function(){var e=this.horiz.parentNode;e.removeChild(this.horiz),e.removeChild(this.vert)};var Dn=function(){};function Hn(e,t){t||(t=An(e));var r=e.display.barWidth,n=e.display.barHeight;Fn(e,t);for(var i=0;i<4&&r!=e.display.barWidth||n!=e.display.barHeight;i++)r!=e.display.barWidth&&e.options.lineWrapping&&vn(e),Fn(e,An(e)),r=e.display.barWidth,n=e.display.barHeight}function Fn(e,t){var r=e.display,n=r.scrollbars.update(t);r.sizer.style.paddingRight=(r.barWidth=n.right)+"px",r.sizer.style.paddingBottom=(r.barHeight=n.bottom)+"px",r.heightForcer.style.borderBottom=n.bottom+"px solid transparent",n.right&&n.bottom?(r.scrollbarFiller.style.display="block",r.scrollbarFiller.style.height=n.bottom+"px",r.scrollbarFiller.style.width=n.right+"px"):r.scrollbarFiller.style.display="",n.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(r.gutterFiller.style.display="block",r.gutterFiller.style.height=n.bottom+"px",r.gutterFiller.style.width=t.gutterWidth+"px"):r.gutterFiller.style.display=""}Dn.prototype.update=function(){return{bottom:0,right:0}},Dn.prototype.setScrollLeft=function(){},Dn.prototype.setScrollTop=function(){},Dn.prototype.clear=function(){};var Pn={native:Wn,null:Dn};function En(e){e.display.scrollbars&&(e.display.scrollbars.clear(),e.display.scrollbars.addClass&&T(e.display.wrapper,e.display.scrollbars.addClass)),e.display.scrollbars=new Pn[e.options.scrollbarStyle](function(t){e.display.wrapper.insertBefore(t,e.display.scrollbarFiller),Je(t,"mousedown",function(){e.state.focused&&setTimeout(function(){return e.display.input.focus()},0)}),t.setAttribute("cm-not-content","true")},function(t,r){"horizontal"==r?On(e,t):Mn(e,t)},e),e.display.scrollbars.addClass&&H(e.display.wrapper,e.display.scrollbars.addClass)}var zn=0;function In(e){var t;e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++zn},t=e.curOp,nr?nr.ops.push(t):t.ownsGroup=nr={ops:[t],delayedCallbacks:[]}}function Rn(e){!function(e,t){var r=e.ownsGroup;if(r)try{!function(e){var t=e.delayedCallbacks,r=0;do{for(;r<t.length;r++)t[r].call(null);for(var n=0;n<e.ops.length;n++){var i=e.ops[n];if(i.cursorActivityHandlers)for(;i.cursorActivityCalled<i.cursorActivityHandlers.length;)i.cursorActivityHandlers[i.cursorActivityCalled++].call(null,i.cm)}}while(r<t.length)}(r)}finally{nr=null,t(r)}}(e.curOp,function(e){for(var t=0;t<e.ops.length;t++)e.ops[t].cm.curOp=null;!function(e){for(var t=e.ops,r=0;r<t.length;r++)Bn(t[r]);for(var n=0;n<t.length;n++)(i=t[n]).updatedDisplay=i.mustUpdate&&ri(i.cm,i.update);var i;for(var o=0;o<t.length;o++)Gn(t[o]);for(var l=0;l<t.length;l++)Un(t[l]);for(var s=0;s<t.length;s++)Vn(t[s])}(e)})}function Bn(e){var t,r,n=e.cm,i=n.display;!(r=(t=n).display).scrollbarsClipped&&r.scroller.offsetWidth&&(r.nativeBarWidth=r.scroller.offsetWidth-r.scroller.clientWidth,r.heightForcer.style.height=Cr(t)+"px",r.sizer.style.marginBottom=-r.nativeBarWidth+"px",r.sizer.style.borderRightWidth=Cr(t)+"px",r.scrollbarsClipped=!0),e.updateMaxLine&&Ye(n),e.mustUpdate=e.viewChanged||e.forceUpdate||null!=e.scrollTop||e.scrollToPos&&(e.scrollToPos.from.line<i.viewFrom||e.scrollToPos.to.line>=i.viewTo)||i.maxLineChanged&&n.options.lineWrapping,e.update=e.mustUpdate&&new ti(n,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)}function Gn(e){var t=e.cm,r=t.display;e.updatedDisplay&&vn(t),e.barMeasure=An(t),r.maxLineChanged&&!t.options.lineWrapping&&(e.adjustWidthTo=Tr(t,r.maxLine,r.maxLine.text.length).left+3,t.display.sizerWidth=e.adjustWidthTo,e.barMeasure.scrollWidth=Math.max(r.scroller.clientWidth,r.sizer.offsetLeft+e.adjustWidthTo+Cr(t)+t.display.barWidth),e.maxScrollLeft=Math.max(0,r.sizer.offsetLeft+e.adjustWidthTo-Sr(t))),(e.updatedDisplay||e.selectionChanged)&&(e.preparedSelection=r.input.prepareSelection())}function Un(e){var t=e.cm;null!=e.adjustWidthTo&&(t.display.sizer.style.minWidth=e.adjustWidthTo+"px",e.maxScrollLeft<t.doc.scrollLeft&&On(t,Math.min(t.display.scroller.scrollLeft,e.maxScrollLeft),!0),t.display.maxLineChanged=!1);var r=e.focus&&e.focus==D();e.preparedSelection&&t.display.input.showSelection(e.preparedSelection,r),(e.updatedDisplay||e.startHeight!=t.doc.height)&&Hn(t,e.barMeasure),e.updatedDisplay&&li(t,e.barMeasure),e.selectionChanged&&hn(t),t.state.focused&&e.updateInput&&t.display.input.reset(e.typing),r&&fn(e.cm)}function Vn(e){var t=e.cm,r=t.display,n=t.doc;(e.updatedDisplay&&ni(t,e.update),null==r.wheelStartX||null==e.scrollTop&&null==e.scrollLeft&&!e.scrollToPos||(r.wheelStartX=r.wheelStartY=null),null!=e.scrollTop&&Nn(t,e.scrollTop,e.forceScroll),null!=e.scrollLeft&&On(t,e.scrollLeft,!0,!0),e.scrollToPos)&&function(e,t){if(!nt(e,"scrollCursorIntoView")){var r=e.display,n=r.sizer.getBoundingClientRect(),i=null;if(t.top+n.top<0?i=!0:t.bottom+n.top>(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null!=i&&!p){var o=O("div","​",null,"position: absolute;\n                         top: "+(t.top-r.viewOffset-br(e.display))+"px;\n                         height: "+(t.bottom-t.top+Cr(e)+r.barHeight)+"px;\n                         left: "+t.left+"px; width: "+Math.max(2,t.right-t.left)+"px;");e.display.lineSpace.appendChild(o),o.scrollIntoView(i),e.display.lineSpace.removeChild(o)}}}(t,function(e,t,r,n){var i;null==n&&(n=0),e.options.lineWrapping||t!=r||(r="before"==(t=t.ch?ge(t.line,"before"==t.sticky?t.ch-1:t.ch,"after"):t).sticky?ge(t.line,t.ch+1,"before"):t);for(var o=0;o<5;o++){var l=!1,s=Vr(e,t),a=r&&r!=t?Vr(e,r):s,u=xn(e,i={left:Math.min(s.left,a.left),top:Math.min(s.top,a.top)-n,right:Math.max(s.left,a.left),bottom:Math.max(s.bottom,a.bottom)+n}),c=e.doc.scrollTop,h=e.doc.scrollLeft;if(null!=u.scrollTop&&(Mn(e,u.scrollTop),Math.abs(e.doc.scrollTop-c)>1&&(l=!0)),null!=u.scrollLeft&&(On(e,u.scrollLeft),Math.abs(e.doc.scrollLeft-h)>1&&(l=!0)),!l)break}return i}(t,Ce(n,e.scrollToPos.from),Ce(n,e.scrollToPos.to),e.scrollToPos.margin));var i=e.maybeHiddenMarkers,o=e.maybeUnhiddenMarkers;if(i)for(var l=0;l<i.length;++l)i[l].lines.length||rt(i[l],"hide");if(o)for(var s=0;s<o.length;++s)o[s].lines.length&&rt(o[s],"unhide");r.wrapper.offsetHeight&&(n.scrollTop=t.display.scroller.scrollTop),e.changeObjs&&rt(t,"changes",t,e.changeObjs),e.update&&e.update.finish()}function Kn(e,t){if(e.curOp)return t();In(e);try{return t()}finally{Rn(e)}}function jn(e,t){return function(){if(e.curOp)return t.apply(e,arguments);In(e);try{return t.apply(e,arguments)}finally{Rn(e)}}}function Xn(e){return function(){if(this.curOp)return e.apply(this,arguments);In(this);try{return e.apply(this,arguments)}finally{Rn(this)}}}function Yn(e){return function(){var t=this.cm;if(!t||t.curOp)return e.apply(this,arguments);In(t);try{return e.apply(this,arguments)}finally{Rn(t)}}}function _n(e,t,r,n){null==t&&(t=e.doc.first),null==r&&(r=e.doc.first+e.doc.size),n||(n=0);var 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n=e.display;this.viewport=t,this.visible=yn(n,e.doc,t),this.editorIsHidden=!n.wrapper.offsetWidth,this.wrapperHeight=n.wrapper.clientHeight,this.wrapperWidth=n.wrapper.clientWidth,this.oldDisplayWidth=Sr(e),this.force=r,this.dims=Jr(e),this.events=[]};function ri(e,t){var r=e.display,n=e.doc;if(t.editorIsHidden)return $n(e),!1;if(!t.force&&t.visible.from>=r.viewFrom&&t.visible.to<=r.viewTo&&(null==r.updateLineNumbers||r.updateLineNumbers>=r.viewTo)&&r.renderedView==r.view&&0==Qn(e))return!1;wn(e)&&($n(e),t.dims=Jr(e));var i=n.first+n.size,o=Math.max(t.visible.from-e.options.viewportMargin,n.first),l=Math.min(i,t.visible.to+e.options.viewportMargin);r.viewFrom<o&&o-r.viewFrom<20&&(o=Math.max(n.first,r.viewFrom)),r.viewTo>l&&r.viewTo-l<20&&(l=Math.min(i,r.viewTo)),ke&&(o=Ge(e.doc,o),l=Ue(e.doc,l));var s,u,c,h,f=o!=r.viewFrom||l!=r.viewTo||r.lastWrapHeight!=t.wrapperHeight||r.lastWrapWidth!=t.wrapperWidth;u=o,c=l,0==(h=(s=e).display).view.length||u>=h.viewTo||c<=h.viewFrom?(h.view=rr(s,u,c),h.viewFrom=u):(h.viewFrom>u?h.view=rr(s,u,h.viewFrom).concat(h.view):h.viewFrom<u&&(h.view=h.view.slice(on(s,u))),h.viewFrom=u,h.viewTo<c?h.view=h.view.concat(rr(s,h.viewTo,c)):h.viewTo>c&&(h.view=h.view.slice(0,on(s,c)))),h.viewTo=c,r.viewOffset=je(se(e.doc,r.viewFrom)),e.display.mover.style.top=r.viewOffset+"px";var d=Qn(e);if(!f&&0==d&&!t.force&&r.renderedView==r.view&&(null==r.updateLineNumbers||r.updateLineNumbers>=r.viewTo))return!1;var p=function(e){if(e.hasFocus())return null;var t=D();if(!t||!W(e.display.lineDiv,t))return null;var r={activeElt:t};if(window.getSelection){var n=window.getSelection();n.anchorNode&&n.extend&&W(e.display.lineDiv,n.anchorNode)&&(r.anchorNode=n.anchorNode,r.anchorOffset=n.anchorOffset,r.focusNode=n.focusNode,r.focusOffset=n.focusOffset)}return r}(e);return 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g,v,m,b,w;for(;l;)l=s(l)}(e,r.updateLineNumbers,t.dims),d>4&&(r.lineDiv.style.display=""),r.renderedView=r.view,function(e){if(e&&e.activeElt&&e.activeElt!=D()&&(e.activeElt.focus(),e.anchorNode&&W(document.body,e.anchorNode)&&W(document.body,e.focusNode))){var t=window.getSelection(),r=document.createRange();r.setEnd(e.anchorNode,e.anchorOffset),r.collapse(!1),t.removeAllRanges(),t.addRange(r),t.extend(e.focusNode,e.focusOffset)}}(p),M(r.cursorDiv),M(r.selectionDiv),r.gutters.style.height=r.sizer.style.minHeight=0,f&&(r.lastWrapHeight=t.wrapperHeight,r.lastWrapWidth=t.wrapperWidth,Jn(e,400)),r.updateLineNumbers=null,!0}function ni(e,t){for(var r=t.viewport,n=!0;(n&&e.options.lineWrapping&&t.oldDisplayWidth!=Sr(e)||(r&&null!=r.top&&(r={top:Math.min(e.doc.height+wr(e.display)-Lr(e),r.top)}),t.visible=yn(e.display,e.doc,r),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&ri(e,t);n=!1){vn(e);var i=An(e);ln(e),Hn(e,i),li(e,i),t.force=!1}t.signal(e,"update",e),e.display.viewFrom==e.display.reportedViewFrom&&e.display.viewTo==e.display.reportedViewTo||(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function ii(e,t){var r=new ti(e,t);if(ri(e,r)){vn(e),ni(e,r);var n=An(e);ln(e),Hn(e,n),li(e,n),r.finish()}}function oi(e){var t=e.display.gutters.offsetWidth;e.display.sizer.style.marginLeft=t+"px"}function li(e,t){e.display.sizer.style.minHeight=t.docHeight+"px",e.display.heightForcer.style.top=t.docHeight+"px",e.display.gutters.style.height=t.docHeight+e.display.barHeight+Cr(e)+"px"}function si(e){var t=e.display.gutters,r=e.options.gutters;M(t);for(var n=0;n<r.length;++n){var i=r[n],o=t.appendChild(O("div",null,"CodeMirror-gutter 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f=t.target,d=l.view;f!=s;f=f.parentNode)for(var p=0;p<d.length;p++)if(d[p].node==f){e.display.currentWheelTarget=f;break e}if(i&&!r&&!h&&null!=ci)return o&&c&&Mn(e,Math.max(0,s.scrollTop+o*ci)),On(e,Math.max(0,s.scrollLeft+i*ci)),(!o||o&&c)&&st(t),void(l.wheelStartX=null);if(o&&null!=ci){var g=o*ci,v=e.doc.scrollTop,m=v+l.wrapper.clientHeight;g<0?v=Math.max(0,v+g-50):m=Math.min(e.doc.height,m+g+50),ii(e,{top:v,bottom:m})}ui<20&&(null==l.wheelStartX?(l.wheelStartX=s.scrollLeft,l.wheelStartY=s.scrollTop,l.wheelDX=i,l.wheelDY=o,setTimeout(function(){if(null!=l.wheelStartX){var e=s.scrollLeft-l.wheelStartX,t=s.scrollTop-l.wheelStartY,r=t&&l.wheelDY&&t/l.wheelDY||e&&l.wheelDX&&e/l.wheelDX;l.wheelStartX=l.wheelStartY=null,r&&(ci=(ci*ui+r)/(ui+1),++ui)}},200)):(l.wheelDX+=i,l.wheelDY+=o))}}l?ci=-.53:r?ci=15:c?ci=-.7:f&&(ci=-1/3);var pi=function(e,t){this.ranges=e,this.primIndex=t};pi.prototype.primary=function(){return this.ranges[this.primIndex]},pi.prototype.equals=function(e){if(e==this)return!0;if(e.primIndex!=this.primIndex||e.ranges.length!=this.ranges.length)return!1;for(var t=0;t<this.ranges.length;t++){var r=this.ranges[t],n=e.ranges[t];if(!me(r.anchor,n.anchor)||!me(r.head,n.head))return!1}return!0},pi.prototype.deepCopy=function(){for(var e=[],t=0;t<this.ranges.length;t++)e[t]=new gi(ye(this.ranges[t].anchor),ye(this.ranges[t].head));return new pi(e,this.primIndex)},pi.prototype.somethingSelected=function(){for(var e=0;e<this.ranges.length;e++)if(!this.ranges[e].empty())return!0;return!1},pi.prototype.contains=function(e,t){t||(t=e);for(var r=0;r<this.ranges.length;r++){var n=this.ranges[r];if(ve(t,n.from())>=0&&ve(e,n.to())<=0)return r}return-1};var gi=function(e,t){this.anchor=e,this.head=t};function vi(e,t){var r=e[t];e.sort(function(e,t){return ve(e.from(),t.from())}),t=B(e,r);for(var n=1;n<e.length;n++){var i=e[n],o=e[n-1];if(ve(o.to(),i.from())>=0){var l=we(o.from(),i.from()),s=be(o.to(),i.to()),a=o.empty()?i.from()==i.head:o.from()==o.head;n<=t&&--t,e.splice(--n,2,new gi(a?s:l,a?l:s))}}return new pi(e,t)}function mi(e,t){return new pi([new gi(e,t||e)],0)}function yi(e){return e.text?ge(e.from.line+e.text.length-1,q(e.text).length+(1==e.text.length?e.from.ch:0)):e.to}function bi(e,t){if(ve(e,t.from)<0)return e;if(ve(e,t.to)<=0)return yi(t);var r=e.line+t.text.length-(t.to.line-t.from.line)-1,n=e.ch;return e.line==t.to.line&&(n+=yi(t).ch-t.to.ch),ge(r,n)}function wi(e,t){for(var r=[],n=0;n<e.sel.ranges.length;n++){var i=e.sel.ranges[n];r.push(new gi(bi(i.anchor,t),bi(i.head,t)))}return vi(r,e.sel.primIndex)}function xi(e,t,r){return e.line==t.line?ge(r.line,e.ch-t.ch+r.ch):ge(r.line+(e.line-t.line),e.ch)}function Ci(e){e.doc.mode=Tt(e.options,e.doc.modeOption),Si(e)}function Si(e){e.doc.iter(function(e){e.stateAfter&&(e.stateAfter=null),e.styles&&(e.styles=null)}),e.doc.modeFrontier=e.doc.highlightFrontier=e.doc.first,Jn(e,100),e.state.modeGen++,e.curOp&&_n(e)}function Li(e,t){return 0==t.from.ch&&0==t.to.ch&&""==q(t.text)&&(!e.cm||e.cm.options.wholeLineUpdateBefore)}function ki(e,t,r,n){function i(e){return r?r[e]:null}function o(e,r,i){!function(e,t,r,n){e.text=t,e.stateAfter&&(e.stateAfter=null),e.styles&&(e.styles=null),null!=e.order&&(e.order=null),We(e),De(e,r);var i=n?n(e):1;i!=e.height&&ce(e,i)}(e,r,i,n),or(e,"change",e,t)}function l(e,t){for(var r=[],o=e;o<t;++o)r.push(new jt(u[o],i(o),n));return r}var s=t.from,a=t.to,u=t.text,c=se(e,s.line),h=se(e,a.line),f=q(u),d=i(u.length-1),p=a.line-s.line;if(t.full)e.insert(0,l(0,u.length)),e.remove(u.length,e.size-u.length);else if(Li(e,t)){var g=l(0,u.length-1);o(h,h.text,d),p&&e.remove(s.line,p),g.length&&e.insert(s.line,g)}else if(c==h)if(1==u.length)o(c,c.text.slice(0,s.ch)+f+c.text.slice(a.ch),d);else{var v=l(1,u.length-1);v.push(new jt(f+c.text.slice(a.ch),d,n)),o(c,c.text.slice(0,s.ch)+u[0],i(0)),e.insert(s.line+1,v)}else if(1==u.length)o(c,c.text.slice(0,s.ch)+u[0]+h.text.slice(a.ch),i(0)),e.remove(s.line+1,p);else{o(c,c.text.slice(0,s.ch)+u[0],i(0)),o(h,f+h.text.slice(a.ch),d);var m=l(1,u.length-1);p>1&&e.remove(s.line+1,p-1),e.insert(s.line+1,m)}or(e,"change",e,t)}function Ti(e,t,r){!function e(n,i,o){if(n.linked)for(var l=0;l<n.linked.length;++l){var s=n.linked[l];if(s.doc!=i){var a=o&&s.sharedHist;r&&!a||(t(s.doc,a),e(s.doc,n,a))}}}(e,null,!0)}function Mi(e,t){if(t.cm)throw new Error("This document is already in use.");e.doc=t,t.cm=e,rn(e),Ci(e),Ni(e),e.options.lineWrapping||Ye(e),e.options.mode=t.modeOption,_n(e)}function Ni(e){("rtl"==e.doc.direction?H:T)(e.display.lineDiv,"CodeMirror-rtl")}function 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i=t["spans_"+e.id],o=0;e.iter(Math.max(e.first,r),Math.min(e.first+e.size,n),function(r){r.markedSpans&&((i||(i=t["spans_"+e.id]={}))[o]=r.markedSpans),++o})}function Ei(e){if(!e)return null;for(var t,r=0;r<e.length;++r)e[r].marker.explicitlyCleared?t||(t=e.slice(0,r)):t&&t.push(e[r]);return t?t.length?t:null:e}function zi(e,t){var r=function(e,t){var r=t["spans_"+e.id];if(!r)return null;for(var n=[],i=0;i<t.text.length;++i)n.push(Ei(r[i]));return n}(e,t),n=Oe(e,t);if(!r)return n;if(!n)return r;for(var i=0;i<r.length;++i){var o=r[i],l=n[i];if(o&&l)e:for(var s=0;s<l.length;++s){for(var a=l[s],u=0;u<o.length;++u)if(o[u].marker==a.marker)continue e;o.push(a)}else l&&(r[i]=l)}return r}function Ii(e,t,r){for(var n=[],i=0;i<e.length;++i){var o=e[i];if(o.ranges)n.push(r?pi.prototype.deepCopy.call(o):o);else{var l=o.changes,s=[];n.push({changes:s});for(var a=0;a<l.length;++a){var u=l[a],c=void 0;if(s.push({from:u.from,to:u.to,text:u.text}),t)for(var h in 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s=o.markedSpans[l],a=s.marker;if((null==s.from||(a.inclusiveLeft?s.from<=t.ch:s.from<t.ch))&&(null==s.to||(a.inclusiveRight?s.to>=t.ch:s.to>t.ch))){if(i&&(rt(a,"beforeCursorEnter"),a.explicitlyCleared)){if(o.markedSpans){--l;continue}break}if(!a.atomic)continue;if(r){var u=a.find(n<0?1:-1),c=void 0;if((n<0?a.inclusiveRight:a.inclusiveLeft)&&(u=Qi(e,u,-n,u&&u.line==t.line?o:null)),u&&u.line==t.line&&(c=ve(u,r))&&(n<0?c<0:c>0))return $i(e,u,t,n,i)}var h=a.find(n<0?-1:1);return(n<0?a.inclusiveLeft:a.inclusiveRight)&&(h=Qi(e,h,n,h.line==t.line?o:null)),h?$i(e,h,t,n,i):null}}return t}function Zi(e,t,r,n,i){var o=n||1,l=$i(e,t,r,o,i)||!i&&$i(e,t,r,o,!0)||$i(e,t,r,-o,i)||!i&&$i(e,t,r,-o,!0);return l||(e.cantEdit=!0,ge(e.first,0))}function Qi(e,t,r,n){return r<0&&0==t.ch?t.line>e.first?Ce(e,ge(t.line-1)):null:r>0&&t.ch==(n||se(e,t.line)).text.length?t.line<e.first+e.size-1?ge(t.line+1,0):null:new ge(t.line,t.ch+r)}function Ji(e){e.setSelection(ge(e.firstLine(),0),ge(e.lastLine()),V)}function 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c=[a,1],h=ve(u.from,s.from),f=ve(u.to,s.to);(h<0||!l.inclusiveLeft&&!h)&&c.push({from:u.from,to:s.from}),(f>0||!l.inclusiveRight&&!f)&&c.push({from:s.to,to:u.to}),i.splice.apply(i,c),a+=c.length-3}}return i}(e,t.from,t.to);if(n)for(var i=n.length-1;i>=0;--i)ro(e,{from:n[i].from,to:n[i].to,text:i?[""]:t.text,origin:t.origin});else ro(e,t)}}function ro(e,t){if(1!=t.text.length||""!=t.text[0]||0!=ve(t.from,t.to)){var r=wi(e,t);Di(e,t,r,e.cm?e.cm.curOp.id:NaN),oo(e,t,r,Oe(e,t));var n=[];Ti(e,function(e,r){r||-1!=B(n,e.history)||(uo(e.history,t),n.push(e.history)),oo(e,t,null,Oe(e,t))})}}function no(e,t,r){var n=e.cm&&e.cm.state.suppressEdits;if(!n||r){for(var i,o=e.history,l=e.sel,s="undo"==t?o.done:o.undone,a="undo"==t?o.undone:o.done,u=0;u<s.length&&(i=s[u],r?!i.ranges||i.equals(e.sel):i.ranges);u++);if(u!=s.length){for(o.lastOrigin=o.lastSelOrigin=null;;){if(!(i=s.pop()).ranges){if(n)return void s.push(i);break}if(Fi(i,a),r&&!i.equals(e.sel))return void ji(e,i,{clearRedo:!1});l=i}var c=[];Fi(l,a),a.push({changes:c,generation:o.generation}),o.generation=i.generation||++o.maxGeneration;for(var h=ot(e,"beforeChange")||e.cm&&ot(e.cm,"beforeChange"),f=function(r){var n=i.changes[r];if(n.origin=t,h&&!eo(e,n,!1))return s.length=0,{};c.push(Ai(e,n));var o=r?wi(e,n):q(s);oo(e,n,o,zi(e,n)),!r&&e.cm&&e.cm.scrollIntoView({from:n.from,to:yi(n)});var l=[];Ti(e,function(e,t){t||-1!=B(l,e.history)||(uo(e.history,n),l.push(e.history)),oo(e,n,null,zi(e,n))})},d=i.changes.length-1;d>=0;--d){var p=f(d);if(p)return p.v}}}}function io(e,t){if(0!=t&&(e.first+=t,e.sel=new pi($(e.sel.ranges,function(e){return new gi(ge(e.anchor.line+t,e.anchor.ch),ge(e.head.line+t,e.head.ch))}),e.sel.primIndex),e.cm)){_n(e.cm,e.first,e.first-t,t);for(var r=e.cm.display,n=r.viewFrom;n<r.viewTo;n++)qn(e.cm,n,"gutter")}}function oo(e,t,r,n){if(e.cm&&!e.cm.curOp)return jn(e.cm,oo)(e,t,r,n);if(t.to.line<e.first)io(e,t.text.length-1-(t.to.line-t.from.line));else if(!(t.from.line>e.lastLine())){if(t.from.line<e.first){var i=t.text.length-1-(e.first-t.from.line);io(e,i),t={from:ge(e.first,0),to:ge(t.to.line+i,t.to.ch),text:[q(t.text)],origin:t.origin}}var o=e.lastLine();t.to.line>o&&(t={from:t.from,to:ge(o,se(e,o).text.length),text:[t.text[0]],origin:t.origin}),t.removed=ae(e,t.from,t.to),r||(r=wi(e,t)),e.cm?function(e,t,r){var n=e.doc,i=e.display,o=t.from,l=t.to,s=!1,a=o.line;e.options.lineWrapping||(a=he(Be(se(n,o.line))),n.iter(a,l.line+1,function(e){if(e==i.maxLine)return s=!0,!0}));n.sel.contains(t.from,t.to)>-1&&it(e);ki(n,t,r,tn(e)),e.options.lineWrapping||(n.iter(a,o.line+t.text.length,function(e){var t=Xe(e);t>i.maxLineLength&&(i.maxLine=e,i.maxLineLength=t,i.maxLineChanged=!0,s=!1)}),s&&(e.curOp.updateMaxLine=!0));(function(e,t){if(e.modeFrontier=Math.min(e.modeFrontier,t),!(e.highlightFrontier<t-10)){for(var r=e.first,n=t-1;n>r;n--){var i=se(e,n).stateAfter;if(i&&(!(i instanceof 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u=o.changes[a];if(r<u.from.line)u.from=ge(u.from.line+n,u.from.ch),u.to=ge(u.to.line+n,u.to.ch);else if(t<=u.to.line){l=!1;break}}l||(e.splice(0,i+1),i=0)}}}function uo(e,t){var r=t.from.line,n=t.to.line,i=t.text.length-(n-r)-1;ao(e.done,r,n,i),ao(e.undone,r,n,i)}function co(e,t,r,n){var i=t,o=t;return"number"==typeof t?o=se(e,xe(e,t)):i=he(t),null==i?null:(n(o,i)&&e.cm&&qn(e.cm,i,r),o)}function ho(e){this.lines=e,this.parent=null;for(var t=0,r=0;r<e.length;++r)e[r].parent=this,t+=e[r].height;this.height=t}function fo(e){this.children=e;for(var t=0,r=0,n=0;n<e.length;++n){var i=e[n];t+=i.chunkSize(),r+=i.height,i.parent=this}this.size=t,this.height=r,this.parent=null}gi.prototype.from=function(){return we(this.anchor,this.head)},gi.prototype.to=function(){return be(this.anchor,this.head)},gi.prototype.empty=function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch},ho.prototype={chunkSize:function(){return this.lines.length},removeInner:function(e,t){for(var r,n=e,i=e+t;n<i;++n){var o=this.lines[n];this.height-=o.height,(r=o).parent=null,We(r),or(o,"delete")}this.lines.splice(e,t)},collapse:function(e){e.push.apply(e,this.lines)},insertInner:function(e,t,r){this.height+=r,this.lines=this.lines.slice(0,e).concat(t).concat(this.lines.slice(e));for(var n=0;n<t.length;++n)t[n].parent=this},iterN:function(e,t,r){for(var n=e+t;e<n;++e)if(r(this.lines[e]))return!0}},fo.prototype={chunkSize:function(){return this.size},removeInner:function(e,t){this.size-=t;for(var r=0;r<this.children.length;++r){var n=this.children[r],i=n.chunkSize();if(e<i){var o=Math.min(t,i-e),l=n.height;if(n.removeInner(e,o),this.height-=l-n.height,i==o&&(this.children.splice(r--,1),n.parent=null),0==(t-=o))break;e=0}else e-=i}if(this.size-t<25&&(this.children.length>1||!(this.children[0]instanceof ho))){var s=[];this.collapse(s),this.children=[new ho(s)],this.children[0].parent=this}},collapse:function(e){for(var t=0;t<this.children.length;++t)this.children[t].collapse(e)},insertInner:function(e,t,r){this.size+=t.length,this.height+=r;for(var n=0;n<this.children.length;++n){var i=this.children[n],o=i.chunkSize();if(e<=o){if(i.insertInner(e,t,r),i.lines&&i.lines.length>50){for(var l=i.lines.length%25+25,s=l;s<i.lines.length;){var a=new ho(i.lines.slice(s,s+=25));i.height-=a.height,this.children.splice(++n,0,a),a.parent=this}i.lines=i.lines.slice(0,l),this.maybeSpill()}break}e-=o}},maybeSpill:function(){if(!(this.children.length<=10)){var e=this;do{var t=new fo(e.children.splice(e.children.length-5,5));if(e.parent){e.size-=t.size,e.height-=t.height;var r=B(e.parent.children,e);e.parent.children.splice(r+1,0,t)}else{var n=new fo(e.children);n.parent=e,e.children=[n,t],e=n}t.parent=e.parent}while(e.children.length>10);e.parent.maybeSpill()}},iterN:function(e,t,r){for(var n=0;n<this.children.length;++n){var i=this.children[n],o=i.chunkSize();if(e<o){var l=Math.min(t,o-e);if(i.iterN(e,l,r))return!0;if(0==(t-=l))break;e=0}else e-=o}}};var po=function(e,t,r){if(r)for(var n in r)r.hasOwnProperty(n)&&(this[n]=r[n]);this.doc=e,this.node=t};function go(e,t,r){je(t)<(e.curOp&&e.curOp.scrollTop||e.doc.scrollTop)&&Cn(e,r)}po.prototype.clear=function(){var e=this.doc.cm,t=this.line.widgets,r=this.line,n=he(r);if(null!=n&&t){for(var i=0;i<t.length;++i)t[i]==this&&t.splice(i--,1);t.length||(r.widgets=null);var o=mr(this);ce(r,Math.max(0,r.height-o)),e&&(Kn(e,function(){go(e,r,-o),qn(e,n,"widget")}),or(e,"lineWidgetCleared",e,this,n))}},po.prototype.changed=function(){var e=this,t=this.height,r=this.doc.cm,n=this.line;this.height=null;var i=mr(this)-t;i&&(ce(n,n.height+i),r&&Kn(r,function(){r.curOp.forceUpdate=!0,go(r,n,i),or(r,"lineWidgetChanged",r,e,he(n))}))},lt(po);var vo=0,mo=function(e,t){this.lines=[],this.type=t,this.doc=e,this.id=++vo};function yo(e,t,r,n,i){if(n&&n.shared)return function(e,t,r,n,i){(n=z(n)).shared=!1;var o=[yo(e,t,r,n,i)],l=o[0],s=n.widgetNode;return Ti(e,function(e){s&&(n.widgetNode=s.cloneNode(!0)),o.push(yo(e,Ce(e,t),Ce(e,r),n,i));for(var a=0;a<e.linked.length;++a)if(e.linked[a].isParent)return;l=q(o)}),new bo(o,l)}(e,t,r,n,i);if(e.cm&&!e.cm.curOp)return jn(e.cm,yo)(e,t,r,n,i);var o=new mo(e,i),l=ve(t,r);if(n&&z(n,o,!1),l>0||0==l&&!1!==o.clearWhenEmpty)return o;if(o.replacedWith&&(o.collapsed=!0,o.widgetNode=A("span",[o.replacedWith],"CodeMirror-widget"),n.handleMouseEvents||o.widgetNode.setAttribute("cm-ignore-events","true"),n.insertLeft&&(o.widgetNode.insertLeft=!0)),o.collapsed){if(Re(e,t.line,t,r,o)||t.line!=r.line&&Re(e,r.line,t,r,o))throw new Error("Inserting collapsed marker partially overlapping an existing one");ke=!0}o.addToHistory&&Di(e,{from:t,to:r,origin:"markText"},e.sel,NaN);var s,a=t.line,u=e.cm;if(e.iter(a,r.line+1,function(e){var n,i;u&&o.collapsed&&!u.options.lineWrapping&&Be(e)==u.display.maxLine&&(s=!0),o.collapsed&&a!=t.line&&ce(e,0),n=e,i=new Te(o,a==t.line?t.ch:null,a==r.line?r.ch:null),n.markedSpans=n.markedSpans?n.markedSpans.concat([i]):[i],i.marker.attachLine(n),++a}),o.collapsed&&e.iter(t.line,r.line+1,function(t){Ve(e,t)&&ce(t,0)}),o.clearOnEnter&&Je(o,"beforeCursorEnter",function(){return o.clear()}),o.readOnly&&(Le=!0,(e.history.done.length||e.history.undone.length)&&e.clearHistory()),o.collapsed&&(o.id=++vo,o.atomic=!0),u){if(s&&(u.curOp.updateMaxLine=!0),o.collapsed)_n(u,t.line,r.line+1);else if(o.className||o.title||o.startStyle||o.endStyle||o.css)for(var c=t.line;c<=r.line;c++)qn(u,c,"text");o.atomic&&_i(u.doc),or(u,"markerAdded",u,o)}return o}mo.prototype.clear=function(){var e=this;if(!this.explicitlyCleared){var t=this.doc.cm,r=t&&!t.curOp;if(r&&In(t),ot(this,"clear")){var n=this.find();n&&or(this,"clear",n.from,n.to)}for(var i=null,o=null,l=0;l<this.lines.length;++l){var s=e.lines[l],a=Me(s.markedSpans,e);t&&!e.collapsed?qn(t,he(s),"text"):t&&(null!=a.to&&(o=he(s)),null!=a.from&&(i=he(s))),s.markedSpans=Ne(s.markedSpans,a),null==a.from&&e.collapsed&&!Ve(e.doc,s)&&t&&ce(s,Zr(t.display))}if(t&&this.collapsed&&!t.options.lineWrapping)for(var u=0;u<this.lines.length;++u){var c=Be(e.lines[u]),h=Xe(c);h>t.display.maxLineLength&&(t.display.maxLine=c,t.display.maxLineLength=h,t.display.maxLineChanged=!0)}null!=i&&t&&this.collapsed&&_n(t,i,o+1),this.lines.length=0,this.explicitlyCleared=!0,this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=!1,t&&_i(t.doc)),t&&or(t,"markerCleared",t,this,i,o),r&&Rn(t),this.parent&&this.parent.clear()}},mo.prototype.find=function(e,t){var r,n;null==e&&"bookmark"==this.type&&(e=1);for(var i=0;i<this.lines.length;++i){var o=this.lines[i],l=Me(o.markedSpans,this);if(null!=l.from&&(r=ge(t?o:he(o),l.from),-1==e))return r;if(null!=l.to&&(n=ge(t?o:he(o),l.to),1==e))return n}return r&&{from:r,to:n}},mo.prototype.changed=function(){var e=this,t=this.find(-1,!0),r=this,n=this.doc.cm;t&&n&&Kn(n,function(){var i=t.line,o=he(t.line),l=Mr(n,o);if(l&&(Fr(l),n.curOp.selectionChanged=n.curOp.forceUpdate=!0),n.curOp.updateMaxLine=!0,!Ve(r.doc,i)&&null!=r.height){var s=r.height;r.height=null;var a=mr(r)-s;a&&ce(i,i.height+a)}or(n,"markerChanged",n,e)})},mo.prototype.attachLine=function(e){if(!this.lines.length&&this.doc.cm){var t=this.doc.cm.curOp;t.maybeHiddenMarkers&&-1!=B(t.maybeHiddenMarkers,this)||(t.maybeUnhiddenMarkers||(t.maybeUnhiddenMarkers=[])).push(this)}this.lines.push(e)},mo.prototype.detachLine=function(e){if(this.lines.splice(B(this.lines,e),1),!this.lines.length&&this.doc.cm){var t=this.doc.cm.curOp;(t.maybeHiddenMarkers||(t.maybeHiddenMarkers=[])).push(this)}},lt(mo);var bo=function(e,t){this.markers=e,this.primary=t;for(var r=0;r<e.length;++r)e[r].parent=this};function wo(e){return e.findMarks(ge(e.first,0),e.clipPos(ge(e.lastLine())),function(e){return e.parent})}function xo(e){for(var t=function(t){var r=e[t],n=[r.primary.doc];Ti(r.primary.doc,function(e){return n.push(e)});for(var i=0;i<r.markers.length;i++){var o=r.markers[i];-1==B(n,o.doc)&&(o.parent=null,r.markers.splice(i--,1))}},r=0;r<e.length;r++)t(r)}bo.prototype.clear=function(){if(!this.explicitlyCleared){this.explicitlyCleared=!0;for(var e=0;e<this.markers.length;++e)this.markers[e].clear();or(this,"clear")}},bo.prototype.find=function(e,t){return this.primary.find(e,t)},lt(bo);var Co=0,So=function(e,t,r,n,i){if(!(this instanceof So))return new So(e,t,r,n,i);null==r&&(r=0),fo.call(this,[new ho([new jt("",null)])]),this.first=r,this.scrollTop=this.scrollLeft=0,this.cantEdit=!1,this.cleanGeneration=1,this.modeFrontier=this.highlightFrontier=r;var o=ge(r,0);this.sel=mi(o),this.history=new Oi(null),this.id=++Co,this.modeOption=t,this.lineSep=n,this.direction="rtl"==i?"rtl":"ltr",this.extend=!1,"string"==typeof e&&(e=this.splitLines(e)),ki(this,{from:o,to:o,text:e}),ji(this,mi(o),V)};So.prototype=Q(fo.prototype,{constructor:So,iter:function(e,t,r){r?this.iterN(e-this.first,t-e,r):this.iterN(this.first,this.first+this.size,e)},insert:function(e,t){for(var r=0,n=0;n<t.length;++n)r+=t[n].height;this.insertInner(e-this.first,t,r)},remove:function(e,t){this.removeInner(e-this.first,t)},getValue:function(e){var t=ue(this,this.first,this.first+this.size);return!1===e?t:t.join(e||this.lineSeparator())},setValue:Yn(function(e){var t=ge(this.first,0),r=this.first+this.size-1;to(this,{from:t,to:ge(r,se(this,r).text.length),text:this.splitLines(e),origin:"setValue",full:!0},!0),this.cm&&Ln(this.cm,0,0),ji(this,mi(t),V)}),replaceRange:function(e,t,r,n){lo(this,e,t=Ce(this,t),r=r?Ce(this,r):t,n)},getRange:function(e,t,r){var n=ae(this,Ce(this,e),Ce(this,t));return!1===r?n:n.join(r||this.lineSeparator())},getLine:function(e){var t=this.getLineHandle(e);return t&&t.text},getLineHandle:function(e){if(de(this,e))return se(this,e)},getLineNumber:function(e){return he(e)},getLineHandleVisualStart:function(e){return"number"==typeof e&&(e=se(this,e)),Be(e)},lineCount:function(){return this.size},firstLine:function(){return this.first},lastLine:function(){return this.first+this.size-1},clipPos:function(e){return Ce(this,e)},getCursor:function(e){var t=this.sel.primary();return null==e||"head"==e?t.head:"anchor"==e?t.anchor:"end"==e||"to"==e||!1===e?t.to():t.from()},listSelections:function(){return this.sel.ranges},somethingSelected:function(){return this.sel.somethingSelected()},setCursor:Yn(function(e,t,r){Vi(this,Ce(this,"number"==typeof e?ge(e,t||0):e),null,r)}),setSelection:Yn(function(e,t,r){Vi(this,Ce(this,e),Ce(this,t||e),r)}),extendSelection:Yn(function(e,t,r){Bi(this,Ce(this,e),t&&Ce(this,t),r)}),extendSelections:Yn(function(e,t){Gi(this,Se(this,e),t)}),extendSelectionsBy:Yn(function(e,t){Gi(this,Se(this,$(this.sel.ranges,e)),t)}),setSelections:Yn(function(e,t,r){if(e.length){for(var n=[],i=0;i<e.length;i++)n[i]=new gi(Ce(this,e[i].anchor),Ce(this,e[i].head));null==t&&(t=Math.min(e.length-1,this.sel.primIndex)),ji(this,vi(n,t),r)}}),addSelection:Yn(function(e,t,r){var n=this.sel.ranges.slice(0);n.push(new gi(Ce(this,e),Ce(this,t||e))),ji(this,vi(n,n.length-1),r)}),getSelection:function(e){for(var t,r=this.sel.ranges,n=0;n<r.length;n++){var i=ae(this,r[n].from(),r[n].to());t=t?t.concat(i):i}return!1===e?t:t.join(e||this.lineSeparator())},getSelections:function(e){for(var t=[],r=this.sel.ranges,n=0;n<r.length;n++){var i=ae(this,r[n].from(),r[n].to());!1!==e&&(i=i.join(e||this.lineSeparator())),t[n]=i}return t},replaceSelection:function(e,t,r){for(var n=[],i=0;i<this.sel.ranges.length;i++)n[i]=e;this.replaceSelections(n,t,r||"+input")},replaceSelections:Yn(function(e,t,r){for(var n=[],i=this.sel,o=0;o<i.ranges.length;o++){var l=i.ranges[o];n[o]={from:l.from(),to:l.to(),text:this.splitLines(e[o]),origin:r}}for(var s=t&&"end"!=t&&function(e,t,r){for(var n=[],i=ge(e.first,0),o=i,l=0;l<t.length;l++){var s=t[l],a=xi(s.from,i,o),u=xi(yi(s),i,o);if(i=s.to,o=u,"around"==r){var c=e.sel.ranges[l],h=ve(c.head,c.anchor)<0;n[l]=new gi(h?u:a,h?a:u)}else n[l]=new gi(a,a)}return new pi(n,e.sel.primIndex)}(this,n,t),a=n.length-1;a>=0;a--)to(this,n[a]);s?Ki(this,s):this.cm&&Sn(this.cm)}),undo:Yn(function(){no(this,"undo")}),redo:Yn(function(){no(this,"redo")}),undoSelection:Yn(function(){no(this,"undo",!0)}),redoSelection:Yn(function(){no(this,"redo",!0)}),setExtending:function(e){this.extend=e},getExtending:function(){return this.extend},historySize:function(){for(var e=this.history,t=0,r=0,n=0;n<e.done.length;n++)e.done[n].ranges||++t;for(var i=0;i<e.undone.length;i++)e.undone[i].ranges||++r;return{undo:t,redo:r}},clearHistory:function(){this.history=new Oi(this.history.maxGeneration)},markClean:function(){this.cleanGeneration=this.changeGeneration(!0)},changeGeneration:function(e){return e&&(this.history.lastOp=this.history.lastSelOp=this.history.lastOrigin=null),this.history.generation},isClean:function(e){return this.history.generation==(e||this.cleanGeneration)},getHistory:function(){return{done:Ii(this.history.done),undone:Ii(this.history.undone)}},setHistory:function(e){var t=this.history=new Oi(this.history.maxGeneration);t.done=Ii(e.done.slice(0),null,!0),t.undone=Ii(e.undone.slice(0),null,!0)},setGutterMarker:Yn(function(e,t,r){return co(this,e,"gutter",function(e){var n=e.gutterMarkers||(e.gutterMarkers={});return n[t]=r,!r&&re(n)&&(e.gutterMarkers=null),!0})}),clearGutter:Yn(function(e){var t=this;this.iter(function(r){r.gutterMarkers&&r.gutterMarkers[e]&&co(t,r,"gutter",function(){return r.gutterMarkers[e]=null,re(r.gutterMarkers)&&(r.gutterMarkers=null),!0})})}),lineInfo:function(e){var t;if("number"==typeof e){if(!de(this,e))return null;if(t=e,!(e=se(this,e)))return null}else if(null==(t=he(e)))return null;return{line:t,handle:e,text:e.text,gutterMarkers:e.gutterMarkers,textClass:e.textClass,bgClass:e.bgClass,wrapClass:e.wrapClass,widgets:e.widgets}},addLineClass:Yn(function(e,t,r){return co(this,e,"gutter"==t?"gutter":"class",function(e){var n="text"==t?"textClass":"background"==t?"bgClass":"gutter"==t?"gutterClass":"wrapClass";if(e[n]){if(L(r).test(e[n]))return!1;e[n]+=" "+r}else e[n]=r;return!0})}),removeLineClass:Yn(function(e,t,r){return co(this,e,"gutter"==t?"gutter":"class",function(e){var n="text"==t?"textClass":"background"==t?"bgClass":"gutter"==t?"gutterClass":"wrapClass",i=e[n];if(!i)return!1;if(null==r)e[n]=null;else{var o=i.match(L(r));if(!o)return!1;var l=o.index+o[0].length;e[n]=i.slice(0,o.index)+(o.index&&l!=i.length?" ":"")+i.slice(l)||null}return!0})}),addLineWidget:Yn(function(e,t,r){return i=e,o=new po(n=this,t,r),(l=n.cm)&&o.noHScroll&&(l.display.alignWidgets=!0),co(n,i,"widget",function(e){var t=e.widgets||(e.widgets=[]);if(null==o.insertAt?t.push(o):t.splice(Math.min(t.length-1,Math.max(0,o.insertAt)),0,o),o.line=e,l&&!Ve(n,e)){var r=je(e)<n.scrollTop;ce(e,e.height+mr(o)),r&&Cn(l,o.height),l.curOp.forceUpdate=!0}return!0}),l&&or(l,"lineWidgetAdded",l,o,"number"==typeof i?i:he(i)),o;var n,i,o,l}),removeLineWidget:function(e){e.clear()},markText:function(e,t,r){return yo(this,Ce(this,e),Ce(this,t),r,r&&r.type||"range")},setBookmark:function(e,t){var r={replacedWith:t&&(null==t.nodeType?t.widget:t),insertLeft:t&&t.insertLeft,clearWhenEmpty:!1,shared:t&&t.shared,handleMouseEvents:t&&t.handleMouseEvents};return yo(this,e=Ce(this,e),e,r,"bookmark")},findMarksAt:function(e){var t=[],r=se(this,(e=Ce(this,e)).line).markedSpans;if(r)for(var n=0;n<r.length;++n){var i=r[n];(null==i.from||i.from<=e.ch)&&(null==i.to||i.to>=e.ch)&&t.push(i.marker.parent||i.marker)}return t},findMarks:function(e,t,r){e=Ce(this,e),t=Ce(this,t);var n=[],i=e.line;return this.iter(e.line,t.line+1,function(o){var l=o.markedSpans;if(l)for(var s=0;s<l.length;s++){var a=l[s];null!=a.to&&i==e.line&&e.ch>=a.to||null==a.from&&i!=e.line||null!=a.from&&i==t.line&&a.from>=t.ch||r&&!r(a.marker)||n.push(a.marker.parent||a.marker)}++i}),n},getAllMarks:function(){var e=[];return this.iter(function(t){var r=t.markedSpans;if(r)for(var n=0;n<r.length;++n)null!=r[n].from&&e.push(r[n].marker)}),e},posFromIndex:function(e){var t,r=this.first,n=this.lineSeparator().length;return this.iter(function(i){var o=i.text.length+n;if(o>e)return t=e,!0;e-=o,++r}),Ce(this,ge(r,t))},indexFromPos:function(e){var t=(e=Ce(this,e)).ch;if(e.line<this.first||e.ch<0)return 0;var r=this.lineSeparator().length;return this.iter(this.first,e.line,function(e){t+=e.text.length+r}),t},copy:function(e){var t=new So(ue(this,this.first,this.first+this.size),this.modeOption,this.first,this.lineSep,this.direction);return t.scrollTop=this.scrollTop,t.scrollLeft=this.scrollLeft,t.sel=this.sel,t.extend=!1,e&&(t.history.undoDepth=this.history.undoDepth,t.setHistory(this.getHistory())),t},linkedDoc:function(e){e||(e={});var t=this.first,r=this.first+this.size;null!=e.from&&e.from>t&&(t=e.from),null!=e.to&&e.to<r&&(r=e.to);var n=new So(ue(this,t,r),e.mode||this.modeOption,t,this.lineSep,this.direction);return e.sharedHist&&(n.history=this.history),(this.linked||(this.linked=[])).push({doc:n,sharedHist:e.sharedHist}),n.linked=[{doc:this,isParent:!0,sharedHist:e.sharedHist}],function(e,t){for(var r=0;r<t.length;r++){var n=t[r],i=n.find(),o=e.clipPos(i.from),l=e.clipPos(i.to);if(ve(o,l)){var s=yo(e,o,l,n.primary,n.primary.type);n.markers.push(s),s.parent=n}}}(n,wo(this)),n},unlinkDoc:function(e){if(e instanceof wl&&(e=e.doc),this.linked)for(var t=0;t<this.linked.length;++t){if(this.linked[t].doc==e){this.linked.splice(t,1),e.unlinkDoc(this),xo(wo(this));break}}if(e.history==this.history){var r=[e.id];Ti(e,function(e){return r.push(e.id)},!0),e.history=new Oi(null),e.history.done=Ii(this.history.done,r),e.history.undone=Ii(this.history.undone,r)}},iterLinkedDocs:function(e){Ti(this,e)},getMode:function(){return this.mode},getEditor:function(){return this.cm},splitLines:function(e){return this.lineSep?e.split(this.lineSep):bt(e)},lineSeparator:function(){return this.lineSep||"\n"},setDirection:Yn(function(e){var t;("rtl"!=e&&(e="ltr"),e!=this.direction)&&(this.direction=e,this.iter(function(e){return e.order=null}),this.cm&&Kn(t=this.cm,function(){Ni(t),_n(t)}))})}),So.prototype.eachLine=So.prototype.iter;var Lo=0;function ko(e){var t=this;if(To(t),!nt(t,e)&&!yr(t.display,e)){st(e),l&&(Lo=+new Date);var r=nn(t,e,!0),n=e.dataTransfer.files;if(r&&!t.isReadOnly())if(n&&n.length&&window.FileReader&&window.File)for(var i=n.length,o=Array(i),s=0,a=function(e,n){if(!t.options.allowDropFileTypes||-1!=B(t.options.allowDropFileTypes,e.type)){var l=new FileReader;l.onload=jn(t,function(){var e=l.result;if(/[\x00-\x08\x0e-\x1f]{2}/.test(e)&&(e=""),o[n]=e,++s==i){var a={from:r=Ce(t.doc,r),to:r,text:t.doc.splitLines(o.join(t.doc.lineSeparator())),origin:"paste"};to(t.doc,a),Ki(t.doc,mi(r,yi(a)))}}),l.readAsText(e)}},u=0;u<i;++u)a(n[u],u);else{if(t.state.draggingText&&t.doc.sel.contains(r)>-1)return t.state.draggingText(e),void setTimeout(function(){return t.display.input.focus()},20);try{var c=e.dataTransfer.getData("Text");if(c){var h;if(t.state.draggingText&&!t.state.draggingText.copy&&(h=t.listSelections()),Xi(t.doc,mi(r,r)),h)for(var f=0;f<h.length;++f)lo(t.doc,"",h[f].anchor,h[f].head,"drag");t.replaceSelection(c,"around","paste"),t.display.input.focus()}}catch(e){}}}}function To(e){e.display.dragCursor&&(e.display.lineSpace.removeChild(e.display.dragCursor),e.display.dragCursor=null)}function 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d=0;d<xl.length;++d)xl[d](n);Rn(this),a&&t.lineWrapping&&"optimizelegibility"==getComputedStyle(u.lineDiv).textRendering&&(u.lineDiv.style.textRendering="auto")}wl.defaults=gl,wl.optionHandlers=vl;var xl=[];function Cl(e,t,r,n){var i,o=e.doc;null==r&&(r="add"),"smart"==r&&(o.mode.indent?i=zt(e,t).state:r="prev");var l=e.options.tabSize,s=se(o,t),a=I(s.text,null,l);s.stateAfter&&(s.stateAfter=null);var u,c=s.text.match(/^\s*/)[0];if(n||/\S/.test(s.text)){if("smart"==r&&((u=o.mode.indent(i,s.text.slice(c.length),s.text))==U||u>150)){if(!n)return;r="prev"}}else u=0,r="not";"prev"==r?u=t>o.first?I(se(o,t-1).text,null,l):0:"add"==r?u=a+e.options.indentUnit:"subtract"==r?u=a-e.options.indentUnit:"number"==typeof r&&(u=a+r),u=Math.max(0,u);var h="",f=0;if(e.options.indentWithTabs)for(var d=Math.floor(u/l);d;--d)f+=l,h+="\t";if(f<u&&(h+=_(u-f)),h!=c)return lo(o,h,ge(t,0),ge(t,c.length),"+input"),s.stateAfter=null,!0;for(var p=0;p<o.sel.ranges.length;p++){var 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if("column"==n)a(!0);else if("word"==n||"group"==n)for(var u=null,c="group"==n,h=e.cm&&e.cm.getHelper(t,"wordChars"),f=!0;!(r<0)||a(!f);f=!1){var d=s.text.charAt(t.ch)||"\n",p=te(d,h)?"w":c&&"\n"==d?"n":!c||/\s/.test(d)?null:"p";if(!c||f||p||(p="s"),u&&u!=p){r<0&&(r=1,a(),t.sticky="after");break}if(p&&(u=p),r>0&&!a(!f))break}var g=Zi(e,t,o,l,!0);return me(o,g)&&(g.hitSide=!0),g}function Dl(e,t,r,n){var i,o,l=e.doc,s=t.left;if("page"==n){var a=Math.min(e.display.wrapper.clientHeight,window.innerHeight||document.documentElement.clientHeight),u=Math.max(a-.5*Zr(e.display),3);i=(r>0?t.bottom:t.top)+r*u}else"line"==n&&(i=r>0?t.bottom+3:t.top-3);for(;(o=Xr(e,s,i)).outside;){if(r<0?i<=0:i>=l.height){o.hitSide=!0;break}i+=5*r}return o}var Hl=function(e){this.cm=e,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new R,this.composing=null,this.gracePeriod=!1,this.readDOMTimeout=null};function Fl(e,t){var r=Mr(e,t.line);if(!r||r.hidden)return null;var n=se(e.doc,t.line),i=kr(r,n,t.line),o=Ze(n,e.doc.direction),l="left";o&&(l=qe(o,t.ch)%2?"right":"left");var s=Dr(i.map,t.ch,l);return s.offset="right"==s.collapse?s.end:s.start,s}function Pl(e,t){return t&&(e.bad=!0),e}function El(e,t,r){var n;if(t==e.display.lineDiv){if(!(n=e.display.lineDiv.childNodes[r]))return Pl(e.clipPos(ge(e.display.viewTo-1)),!0);t=null,r=0}else for(n=t;;n=n.parentNode){if(!n||n==e.display.lineDiv)return null;if(n.parentNode&&n.parentNode==e.display.lineDiv)break}for(var i=0;i<e.display.view.length;i++){var o=e.display.view[i];if(o.node==n)return zl(o,t,r)}}function zl(e,t,r){var n=e.text.firstChild,i=!1;if(!t||!W(n,t))return Pl(ge(he(e.line),0),!0);if(t==n&&(i=!0,t=n.childNodes[r],r=0,!t)){var o=e.rest?q(e.rest):e.line;return Pl(ge(he(o),o.text.length),i)}var l=3==t.nodeType?t:null,s=t;for(l||1!=t.childNodes.length||3!=t.firstChild.nodeType||(l=t.firstChild,r&&(r=l.nodeValue.length));s.parentNode!=n;)s=s.parentNode;var a=e.measure,u=a.maps;function c(t,r,n){for(var i=-1;i<(u?u.length:0);i++)for(var o=i<0?a.map:u[i],l=0;l<o.length;l+=3){var s=o[l+2];if(s==t||s==r){var c=he(i<0?e.line:e.rest[i]),h=o[l]+n;return(n<0||s!=t)&&(h=o[l+(n?1:0)]),ge(c,h)}}}var h=c(l,s,r);if(h)return Pl(h,i);for(var f=s.nextSibling,d=l?l.nodeValue.length-r:0;f;f=f.nextSibling){if(h=c(f,f.firstChild,0))return Pl(ge(h.line,h.ch-d),i);d+=f.textContent.length}for(var p=s.previousSibling,g=r;p;p=p.previousSibling){if(h=c(p,p.firstChild,-1))return Pl(ge(h.line,h.ch+g),i);g+=p.textContent.length}}Hl.prototype.init=function(e){var t=this,r=this,n=r.cm,i=r.div=e.lineDiv;function o(e){if(!nt(n,e)){if(n.somethingSelected())Ll({lineWise:!1,text:n.getSelections()}),"cut"==e.type&&n.replaceSelection("",null,"cut");else{if(!n.options.lineWiseCopyCut)return;var t=Nl(n);Ll({lineWise:!0,text:t.text}),"cut"==e.type&&n.operation(function(){n.setSelections(t.ranges,0,V),n.replaceSelection("",null,"cut")})}if(e.clipboardData){e.clipboardData.clearData();var o=Sl.text.join("\n");if(e.clipboardData.setData("Text",o),e.clipboardData.getData("Text")==o)return void e.preventDefault()}var l=Al(),s=l.firstChild;n.display.lineSpace.insertBefore(l,n.display.lineSpace.firstChild),s.value=Sl.text.join("\n");var a=document.activeElement;P(s),setTimeout(function(){n.display.lineSpace.removeChild(l),a.focus(),a==i&&r.showPrimarySelection()},50)}}Ol(i,n.options.spellcheck),Je(i,"paste",function(e){nt(n,e)||Tl(e,n)||s<=11&&setTimeout(jn(n,function(){return t.updateFromDOM()}),20)}),Je(i,"compositionstart",function(e){t.composing={data:e.data,done:!1}}),Je(i,"compositionupdate",function(e){t.composing||(t.composing={data:e.data,done:!1})}),Je(i,"compositionend",function(e){t.composing&&(e.data!=t.composing.data&&t.readFromDOMSoon(),t.composing.done=!0)}),Je(i,"touchstart",function(){return r.forceCompositionEnd()}),Je(i,"input",function(){t.composing||t.readFromDOMSoon()}),Je(i,"copy",o),Je(i,"cut",o)},Hl.prototype.prepareSelection=function(){var e=sn(this.cm,!1);return e.focus=this.cm.state.focused,e},Hl.prototype.showSelection=function(e,t){e&&this.cm.display.view.length&&((e.focus||t)&&this.showPrimarySelection(),this.showMultipleSelections(e))},Hl.prototype.showPrimarySelection=function(){var e=window.getSelection(),t=this.cm,n=t.doc.sel.primary(),i=n.from(),o=n.to();if(t.display.viewTo==t.display.viewFrom||i.line>=t.display.viewTo||o.line<t.display.viewFrom)e.removeAllRanges();else{var l=El(t,e.anchorNode,e.anchorOffset),s=El(t,e.focusNode,e.focusOffset);if(!l||l.bad||!s||s.bad||0!=ve(we(l,s),i)||0!=ve(be(l,s),o)){var a=t.display.view,u=i.line>=t.display.viewFrom&&Fl(t,i)||{node:a[0].measure.map[2],offset:0},c=o.line<t.display.viewTo&&Fl(t,o);if(!c){var h=a[a.length-1].measure,f=h.maps?h.maps[h.maps.length-1]:h.map;c={node:f[f.length-1],offset:f[f.length-2]-f[f.length-3]}}if(u&&c){var d,p=e.rangeCount&&e.getRangeAt(0);try{d=k(u.node,u.offset,c.offset,c.node)}catch(e){}d&&(!r&&t.state.focused?(e.collapse(u.node,u.offset),d.collapsed||(e.removeAllRanges(),e.addRange(d))):(e.removeAllRanges(),e.addRange(d)),p&&null==e.anchorNode?e.addRange(p):r&&this.startGracePeriod()),this.rememberSelection()}else e.removeAllRanges()}}},Hl.prototype.startGracePeriod=function(){var e=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){e.gracePeriod=!1,e.selectionChanged()&&e.cm.operation(function(){return e.cm.curOp.selectionChanged=!0})},20)},Hl.prototype.showMultipleSelections=function(e){N(this.cm.display.cursorDiv,e.cursors),N(this.cm.display.selectionDiv,e.selection)},Hl.prototype.rememberSelection=function(){var e=window.getSelection();this.lastAnchorNode=e.anchorNode,this.lastAnchorOffset=e.anchorOffset,this.lastFocusNode=e.focusNode,this.lastFocusOffset=e.focusOffset},Hl.prototype.selectionInEditor=function(){var e=window.getSelection();if(!e.rangeCount)return!1;var t=e.getRangeAt(0).commonAncestorContainer;return W(this.div,t)},Hl.prototype.focus=function(){"nocursor"!=this.cm.options.readOnly&&(this.selectionInEditor()||this.showSelection(this.prepareSelection(),!0),this.div.focus())},Hl.prototype.blur=function(){this.div.blur()},Hl.prototype.getField=function(){return this.div},Hl.prototype.supportsTouch=function(){return!0},Hl.prototype.receivedFocus=function(){var e=this;this.selectionInEditor()?this.pollSelection():Kn(this.cm,function(){return e.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,function t(){e.cm.state.focused&&(e.pollSelection(),e.polling.set(e.cm.options.pollInterval,t))})},Hl.prototype.selectionChanged=function(){var e=window.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},Hl.prototype.pollSelection=function(){if(null==this.readDOMTimeout&&!this.gracePeriod&&this.selectionChanged()){var e=window.getSelection(),t=this.cm;if(v&&c&&this.cm.options.gutters.length&&function(e){for(var t=e;t;t=t.parentNode)if(/CodeMirror-gutter-wrapper/.test(t.className))return!0;return!1}(e.anchorNode))return this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs}),this.blur(),void this.focus();if(!this.composing){this.rememberSelection();var r=El(t,e.anchorNode,e.anchorOffset),n=El(t,e.focusNode,e.focusOffset);r&&n&&Kn(t,function(){ji(t.doc,mi(r,n),V),(r.bad||n.bad)&&(t.curOp.selectionChanged=!0)})}}},Hl.prototype.pollContent=function(){null!=this.readDOMTimeout&&(clearTimeout(this.readDOMTimeout),this.readDOMTimeout=null);var e,t,r,n=this.cm,i=n.display,o=n.doc.sel.primary(),l=o.from(),s=o.to();if(0==l.ch&&l.line>n.firstLine()&&(l=ge(l.line-1,se(n.doc,l.line-1).length)),s.ch==se(n.doc,s.line).text.length&&s.line<n.lastLine()&&(s=ge(s.line+1,0)),l.line<i.viewFrom||s.line>i.viewTo-1)return!1;l.line==i.viewFrom||0==(e=on(n,l.line))?(t=he(i.view[0].line),r=i.view[0].node):(t=he(i.view[e].line),r=i.view[e-1].node.nextSibling);var a,u,c=on(n,s.line);if(c==i.view.length-1?(a=i.viewTo-1,u=i.lineDiv.lastChild):(a=he(i.view[c+1].line)-1,u=i.view[c+1].node.previousSibling),!r)return!1;for(var h=n.doc.splitLines(function(e,t,r,n,i){var o="",l=!1,s=e.doc.lineSeparator();function a(){l&&(o+=s,l=!1)}function u(e){e&&(a(),o+=e)}function c(t){if(1==t.nodeType){var r=t.getAttribute("cm-text");if(null!=r)return void u(r||t.textContent.replace(/\u200b/g,""));var o,h=t.getAttribute("cm-marker");if(h){var f=e.findMarks(ge(n,0),ge(i+1,0),(g=+h,function(e){return e.id==g}));return void(f.length&&(o=f[0].find(0))&&u(ae(e.doc,o.from,o.to).join(s)))}if("false"==t.getAttribute("contenteditable"))return;var d=/^(pre|div|p)$/i.test(t.nodeName);d&&a();for(var p=0;p<t.childNodes.length;p++)c(t.childNodes[p]);d&&(l=!0)}else 3==t.nodeType&&u(t.nodeValue);var g}for(;c(t),t!=r;)t=t.nextSibling;return o}(n,r,u,t,a)),f=ae(n.doc,ge(t,0),ge(a,se(n.doc,a).text.length));h.length>1&&f.length>1;)if(q(h)==q(f))h.pop(),f.pop(),a--;else{if(h[0]!=f[0])break;h.shift(),f.shift(),t++}for(var d=0,p=0,g=h[0],v=f[0],m=Math.min(g.length,v.length);d<m&&g.charCodeAt(d)==v.charCodeAt(d);)++d;for(var y=q(h),b=q(f),w=Math.min(y.length-(1==h.length?d:0),b.length-(1==f.length?d:0));p<w&&y.charCodeAt(y.length-p-1)==b.charCodeAt(b.length-p-1);)++p;if(1==h.length&&1==f.length&&t==l.line)for(;d&&d>l.ch&&y.charCodeAt(y.length-p-1)==b.charCodeAt(b.length-p-1);)d--,p++;h[h.length-1]=y.slice(0,y.length-p).replace(/^\u200b+/,""),h[0]=h[0].slice(d).replace(/\u200b+$/,"");var x=ge(t,d),C=ge(a,f.length?q(f).length-p:0);return h.length>1||h[0]||ve(x,C)?(lo(n.doc,h,x,C,"+input"),!0):void 0},Hl.prototype.ensurePolled=function(){this.forceCompositionEnd()},Hl.prototype.reset=function(){this.forceCompositionEnd()},Hl.prototype.forceCompositionEnd=function(){this.composing&&(clearTimeout(this.readDOMTimeout),this.composing=null,this.updateFromDOM(),this.div.blur(),this.div.focus())},Hl.prototype.readFromDOMSoon=function(){var e=this;null==this.readDOMTimeout&&(this.readDOMTimeout=setTimeout(function(){if(e.readDOMTimeout=null,e.composing){if(!e.composing.done)return;e.composing=null}e.updateFromDOM()},80))},Hl.prototype.updateFromDOM=function(){var e=this;!this.cm.isReadOnly()&&this.pollContent()||Kn(this.cm,function(){return _n(e.cm)})},Hl.prototype.setUneditable=function(e){e.contentEditable="false"},Hl.prototype.onKeyPress=function(e){0!=e.charCode&&(e.preventDefault(),this.cm.isReadOnly()||jn(this.cm,kl)(this.cm,String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),0))},Hl.prototype.readOnlyChanged=function(e){this.div.contentEditable=String("nocursor"!=e)},Hl.prototype.onContextMenu=function(){},Hl.prototype.resetPosition=function(){},Hl.prototype.needsContentAttribute=!0;var Il,Rl,Bl,Gl=function(e){this.cm=e,this.prevInput="",this.pollingFast=!1,this.polling=new R,this.hasSelection=!1,this.composing=null};Gl.prototype.init=function(e){var t=this,r=this,n=this.cm,i=this.wrapper=Al(),o=this.textarea=i.firstChild;function a(e){if(!nt(n,e)){if(n.somethingSelected())Ll({lineWise:!1,text:n.getSelections()});else{if(!n.options.lineWiseCopyCut)return;var t=Nl(n);Ll({lineWise:!0,text:t.text}),"cut"==e.type?n.setSelections(t.ranges,null,V):(r.prevInput="",o.value=t.text.join("\n"),P(o))}"cut"==e.type&&(n.state.cutIncoming=!0)}}e.wrapper.insertBefore(i,e.wrapper.firstChild),g&&(o.style.width="0px"),Je(o,"input",function(){l&&s>=9&&t.hasSelection&&(t.hasSelection=null),r.poll()}),Je(o,"paste",function(e){nt(n,e)||Tl(e,n)||(n.state.pasteIncoming=!0,r.fastPoll())}),Je(o,"cut",a),Je(o,"copy",a),Je(e.scroller,"paste",function(t){yr(e,t)||nt(n,t)||(n.state.pasteIncoming=!0,r.focus())}),Je(e.lineSpace,"selectstart",function(t){yr(e,t)||st(t)}),Je(o,"compositionstart",function(){var e=n.getCursor("from");r.composing&&r.composing.range.clear(),r.composing={start:e,range:n.markText(e,n.getCursor("to"),{className:"CodeMirror-composing"})}}),Je(o,"compositionend",function(){r.composing&&(r.poll(),r.composing.range.clear(),r.composing=null)})},Gl.prototype.prepareSelection=function(){var e=this.cm,t=e.display,r=e.doc,n=sn(e);if(e.options.moveInputWithCursor){var i=Vr(e,r.sel.primary().head,"div"),o=t.wrapper.getBoundingClientRect(),l=t.lineDiv.getBoundingClientRect();n.teTop=Math.max(0,Math.min(t.wrapper.clientHeight-10,i.top+l.top-o.top)),n.teLeft=Math.max(0,Math.min(t.wrapper.clientWidth-10,i.left+l.left-o.left))}return n},Gl.prototype.showSelection=function(e){var t=this.cm.display;N(t.cursorDiv,e.cursors),N(t.selectionDiv,e.selection),null!=e.teTop&&(this.wrapper.style.top=e.teTop+"px",this.wrapper.style.left=e.teLeft+"px")},Gl.prototype.reset=function(e){if(!this.contextMenuPending&&!this.composing){var t=this.cm;if(t.somethingSelected()){this.prevInput="";var r=t.getSelection();this.textarea.value=r,t.state.focused&&P(this.textarea),l&&s>=9&&(this.hasSelection=r)}else e||(this.prevInput=this.textarea.value="",l&&s>=9&&(this.hasSelection=null))}},Gl.prototype.getField=function(){return this.textarea},Gl.prototype.supportsTouch=function(){return!1},Gl.prototype.focus=function(){if("nocursor"!=this.cm.options.readOnly&&(!m||D()!=this.textarea))try{this.textarea.focus()}catch(e){}},Gl.prototype.blur=function(){this.textarea.blur()},Gl.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0},Gl.prototype.receivedFocus=function(){this.slowPoll()},Gl.prototype.slowPoll=function(){var e=this;this.pollingFast||this.polling.set(this.cm.options.pollInterval,function(){e.poll(),e.cm.state.focused&&e.slowPoll()})},Gl.prototype.fastPoll=function(){var e=!1,t=this;t.pollingFast=!0,t.polling.set(20,function r(){t.poll()||e?(t.pollingFast=!1,t.slowPoll()):(e=!0,t.polling.set(60,r))})},Gl.prototype.poll=function(){var e=this,t=this.cm,r=this.textarea,n=this.prevInput;if(this.contextMenuPending||!t.state.focused||wt(r)&&!n&&!this.composing||t.isReadOnly()||t.options.disableInput||t.state.keySeq)return!1;var i=r.value;if(i==n&&!t.somethingSelected())return!1;if(l&&s>=9&&this.hasSelection===i||y&&/[\uf700-\uf7ff]/.test(i))return t.display.input.reset(),!1;if(t.doc.sel==t.display.selForContextMenu){var o=i.charCodeAt(0);if(8203!=o||n||(n="​"),8666==o)return this.reset(),this.cm.execCommand("undo")}for(var a=0,u=Math.min(n.length,i.length);a<u&&n.charCodeAt(a)==i.charCodeAt(a);)++a;return Kn(t,function(){kl(t,i.slice(a),n.length-a,null,e.composing?"*compose":null),i.length>1e3||i.indexOf("\n")>-1?r.value=e.prevInput="":e.prevInput=i,e.composing&&(e.composing.range.clear(),e.composing.range=t.markText(e.composing.start,t.getCursor("to"),{className:"CodeMirror-composing"}))}),!0},Gl.prototype.ensurePolled=function(){this.pollingFast&&this.poll()&&(this.pollingFast=!1)},Gl.prototype.onKeyPress=function(){l&&s>=9&&(this.hasSelection=null),this.fastPoll()},Gl.prototype.onContextMenu=function(e){var t=this,r=t.cm,n=r.display,i=t.textarea,o=nn(r,e),u=n.scroller.scrollTop;if(o&&!h){r.options.resetSelectionOnContextMenu&&-1==r.doc.sel.contains(o)&&jn(r,ji)(r.doc,mi(o),V);var c=i.style.cssText,f=t.wrapper.style.cssText;t.wrapper.style.cssText="position: absolute";var d,p=t.wrapper.getBoundingClientRect();if(i.style.cssText="position: absolute; width: 30px; height: 30px;\n      top: "+(e.clientY-p.top-5)+"px; left: "+(e.clientX-p.left-5)+"px;\n      z-index: 1000; background: "+(l?"rgba(255, 255, 255, .05)":"transparent")+";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);",a&&(d=window.scrollY),n.input.focus(),a&&window.scrollTo(null,d),n.input.reset(),r.somethingSelected()||(i.value=t.prevInput=" "),t.contextMenuPending=!0,n.selForContextMenu=r.doc.sel,clearTimeout(n.detectingSelectAll),l&&s>=9&&v(),S){ct(e);var g=function(){tt(window,"mouseup",g),setTimeout(m,20)};Je(window,"mouseup",g)}else setTimeout(m,50)}function v(){if(null!=i.selectionStart){var e=r.somethingSelected(),o="​"+(e?i.value:"");i.value="⇚",i.value=o,t.prevInput=e?"":"​",i.selectionStart=1,i.selectionEnd=o.length,n.selForContextMenu=r.doc.sel}}function m(){if(t.contextMenuPending=!1,t.wrapper.style.cssText=f,i.style.cssText=c,l&&s<9&&n.scrollbars.setScrollTop(n.scroller.scrollTop=u),null!=i.selectionStart){(!l||l&&s<9)&&v();var e=0,o=function(){n.selForContextMenu==r.doc.sel&&0==i.selectionStart&&i.selectionEnd>0&&"​"==t.prevInput?jn(r,Ji)(r):e++<10?n.detectingSelectAll=setTimeout(o,500):(n.selForContextMenu=null,n.input.reset())};n.detectingSelectAll=setTimeout(o,200)}}},Gl.prototype.readOnlyChanged=function(e){e||this.reset(),this.textarea.disabled="nocursor"==e},Gl.prototype.setUneditable=function(){},Gl.prototype.needsContentAttribute=!1,function(e){var t=e.optionHandlers;function r(r,n,i,o){e.defaults[r]=n,i&&(t[r]=o?function(e,t,r){r!=pl&&i(e,t,r)}:i)}e.defineOption=r,e.Init=pl,r("value","",function(e,t){return e.setValue(t)},!0),r("mode",null,function(e,t){e.doc.modeOption=t,Ci(e)},!0),r("indentUnit",2,Ci,!0),r("indentWithTabs",!1),r("smartIndent",!0),r("tabSize",4,function(e){Si(e),Er(e),_n(e)},!0),r("lineSeparator",null,function(e,t){if(e.doc.lineSep=t,t){var r=[],n=e.doc.first;e.doc.iter(function(e){for(var i=0;;){var o=e.text.indexOf(t,i);if(-1==o)break;i=o+t.length,r.push(ge(n,o))}n++});for(var i=r.length-1;i>=0;i--)lo(e.doc,t,r[i],ge(r[i].line,r[i].ch+t.length))}}),r("specialChars",/[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g,function(e,t,r){e.state.specialChars=new RegExp(t.source+(t.test("\t")?"":"|\t"),"g"),r!=pl&&e.refresh()}),r("specialCharPlaceholder",$t,function(e){return e.refresh()},!0),r("electricChars",!0),r("inputStyle",m?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),r("spellcheck",!1,function(e,t){return e.getInputField().spellcheck=t},!0),r("rtlMoveVisually",!w),r("wholeLineUpdateBefore",!0),r("theme","default",function(e){dl(e),ml(e)},!0),r("keyMap","default",function(e,t,r){var n=Uo(t),i=r!=pl&&Uo(r);i&&i.detach&&i.detach(e,n),n.attach&&n.attach(e,i||null)}),r("extraKeys",null),r("configureMouse",null),r("lineWrapping",!1,bl,!0),r("gutters",[],function(e){ai(e.options),ml(e)},!0),r("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?en(e.display)+"px":"0",e.refresh()},!0),r("coverGutterNextToScrollbar",!1,function(e){return Hn(e)},!0),r("scrollbarStyle","native",function(e){En(e),Hn(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),r("lineNumbers",!1,function(e){ai(e.options),ml(e)},!0),r("firstLineNumber",1,ml,!0),r("lineNumberFormatter",function(e){return 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\ No newline at end of file
