qbasic-web-build/index.html at master · dharrington/qbasic-web-build · GitHub

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<html>
<head>
    <style>@font-face {
    font-family: dos;
    /*src: url("static/dos.woff") format('woff');*/
    src: url("static/PxPlus_IBM_VGA8.ttf") format('truetype');
}
body {
    margin: 0px;
}
.menubar {
    background-color: #aaaaaa;
    color: black;
}

.menubar, .menuitem, #opendialog *, .runscreen *, #loading * {
    font-family: dos;
    font-size: 15pt;
}
table {
    font-size: unset;
}
.CodeMirror {
    height: 100% !important;
}
.menuitem {
    background-color: #aaaaaa;
    color: black;
    margin-left: 0.5em;
    margin-right: 0.5em;
    cursor: pointer;
}
.menustatus{
    background-color: #aaaaaa;
    color:yellow;
    margin-left: 0.5em;
    margin-right: 0.5em;
}
.menutitlespacer{
    width: 2em;
    display: table-cell;
}
.menutitle {
    display: table-cell;
}

.menuitem:hover {
    background-color: white;
    color: black;
}

.selecteditem {
    background-color: black;
    color: white;
}

.popupmenu {
    background-color: #aaaaaa;
    color: black;
    font-family: monospace;
    position: absolute;
    z-index: 100;
    display: none;
}

.menuopen {
    display: block;
}

.workspace {
    background-color: #0000aa;
    color: #aaaaaa;
    width: 100%;
    height: 100%;
    position: relative;
}

.runscreen {
    width: 100%;
    height: 100vw;
}
.canvasbox{
    width: 100vw;
    height:75vw;
}
/*
.canvas {
    width: 640px;
    height:480px;
}
*/

.hidden {
    display: none !important;
}

.statusbar {
    background-color: #00aaaa;
    color: black;
}

#opendialog {
    background-color: #aaaaaa;
    color: black;
    position: fixed;
    width: 50%;
    height: 80%;
    top: 30px;
    left: 25%;
    z-index: 100;
}

.titlebar {
    text-align: center;
    height: 0.5em;
}

.programlist {
    padding: 20px;
    margin: 20px;
    border: black;
    border-style: solid;
    border-width: 1px;
    position: relative;
    height: 90%;
}

.textbutton {
    text-align: center;
}
.textbutton:hover {
    background-color: white;
    color: black;
}
#openprogramtable td:hover {
    background-color: white;
    color: black;
}

.X {
    float: right;
    cursor: pointer;
}
#loading {
    position: fixed;
    z-index: 999;
    width: 40vw;
    height: 5em;
    background-color: #aaaaaa;
    border-color: black;
    border-style: solid;
    border-width: 1px;
    top: 40%;
    left:30vw;
    text-align: center;
    vertical-align: center;
    line-height: 5em;
    margin: 20px;
}


.cm-s-dos.CodeMirror {
    background: #0000aa;
    color: #aaaaaa;
}
.cm-s-dos div.CodeMirror-selected {
    background-color: white;
 }
.cm-s-dos .cm-header {color: blue;}
.cm-s-dos .cm-quote {color: #090;}
.cm-s-dos .cm-keyword {color: #708;}
.cm-s-dos .cm-atom {color: #219;}
.cm-s-dos .cm-number {color: #164;}
.cm-s-dos .cm-def {color: #00f;}
.cm-s-dos .cm-variable,
.cm-s-dos .cm-punctuation,
.cm-s-dos .cm-property,
.cm-s-dos .cm-operator {}
.cm-s-dos .cm-variable-2 {color: #05a;}
.cm-s-dos .cm-variable-3, .cm-s-dos .cm-type {color: #085;}
.cm-s-dos .cm-comment {color: #777777;}
.cm-s-dos .cm-string {color:#00aaaa;}
.cm-s-dos .cm-string-2 {color: #00aaaa;}
.cm-s-dos .cm-meta {color: #555;}
.cm-s-dos .cm-qualifier {color: #555;}
.cm-s-dos .cm-builtin {color: #30a;}
.cm-s-dos .cm-bracket {color: #997;}
.cm-s-dos .cm-tag {color: #170;}
.cm-s-dos .cm-attribute {color: #00c;}
.cm-s-dos .cm-hr {color: #999;}
.cm-s-dos .cm-link {color: #00c;}
.cm-s-dos .cm-error {color: #f00;}
.cm-s-dos .CodeMirror-cursor { border-left: 2px solid white; }

.CodeMirror {
    font-size: 15pt;
    font-family: dos !important;
}


/* The lint marker gutter */
.CodeMirror-lint-markers {
    width: 16px;
  }

  .CodeMirror-lint-tooltip {
    background-color: #ffd;
    border: 1px solid black;
    border-radius: 4px 4px 4px 4px;
    color: black;
    font-family: monospace;
    font-size: 10pt;
    overflow: hidden;
    padding: 2px 5px;
    position: fixed;
    white-space: pre;
    white-space: pre-wrap;
    z-index: 100;
    max-width: 600px;
    opacity: 0;
    transition: opacity .4s;
    -moz-transition: opacity .4s;
    -webkit-transition: opacity .4s;
    -o-transition: opacity .4s;
    -ms-transition: opacity .4s;
  }

  .CodeMirror-lint-mark-error, .CodeMirror-lint-mark-warning {
    background-position: left bottom;
    background-repeat: repeat-x;
  }

  .CodeMirror-lint-mark-error {
    background-image:
    url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJDw4cOCW1/KIAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAHElEQVQI12NggIL/DAz/GdA5/xkY/qPKMDAwAADLZwf5rvm+LQAAAABJRU5ErkJggg==")
    ;
  }

  .CodeMirror-lint-mark-warning {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJFhQXEbhTg7YAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAMklEQVQI12NkgIIvJ3QXMjAwdDN+OaEbysDA4MPAwNDNwMCwiOHLCd1zX07o6kBVGQEAKBANtobskNMAAAAASUVORK5CYII=");
  }

  .CodeMirror-lint-marker-error, .CodeMirror-lint-marker-warning {
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
    display: inline-block;
    height: 16px;
    width: 16px;
    vertical-align: middle;
    position: relative;
  }

  .CodeMirror-lint-message-error, .CodeMirror-lint-message-warning {
    padding-left: 18px;
    background-position: top left;
    background-repeat: no-repeat;
  }

  .CodeMirror-lint-marker-error, .CodeMirror-lint-message-error {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAHlBMVEW7AAC7AACxAAC7AAC7AAAAAAC4AAC5AAD///+7AAAUdclpAAAABnRSTlMXnORSiwCK0ZKSAAAATUlEQVR42mWPOQ7AQAgDuQLx/z8csYRmPRIFIwRGnosRrpamvkKi0FTIiMASR3hhKW+hAN6/tIWhu9PDWiTGNEkTtIOucA5Oyr9ckPgAWm0GPBog6v4AAAAASUVORK5CYII=");
  }

  .CodeMirror-lint-marker-warning, .CodeMirror-lint-message-warning {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEX/uwDvrwD/uwD/uwD/uwD/uwD/uwD/uwD/uwD6twD/uwAAAADurwD2tQD7uAD+ugAAAAD/uwDhmeTRAAAADHRSTlMJ8mN1EYcbmiixgACm7WbuAAAAVklEQVR42n3PUQqAIBBFUU1LLc3u/jdbOJoW1P08DA9Gba8+YWJ6gNJoNYIBzAA2chBth5kLmG9YUoG0NHAUwFXwO9LuBQL1giCQb8gC9Oro2vp5rncCIY8L8uEx5ZkAAAAASUVORK5CYII=");
  }

  .CodeMirror-lint-marker-multiple {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADzjKfhAAAACVBMVEUAAAAAAAC/v7914kyHAAAAAXRSTlMAQObYZgAAACNJREFUeNo1ioEJAAAIwmz/H90iFFSGJgFMe3gaLZ0od+9/AQZ0ADosbYraAAAAAElFTkSuQmCC");
    background-repeat: no-repeat;
    background-position: right bottom;
    width: 100%; height: 100%;
  }
  </style>
    <style>/* 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;
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r=e.text.className,i=hr(t,e);e.text==e.node&&(e.node=i.pre),e.text.parentNode.replaceChild(i.pre,e.text),e.text=i.pre,i.bgClass!=e.bgClass||i.textClass!=e.textClass?(e.bgClass=i.bgClass,e.textClass=i.textClass,fr(t,e)):r&&(e.text.className=r)}function fr(t,e){!function(t,e){var r=e.bgClass?e.bgClass+" "+(e.line.bgClass||""):e.line.bgClass;if(r&&(r+=" CodeMirror-linebackground"),e.background)r?e.background.className=r:(e.background.parentNode.removeChild(e.background),e.background=null);else if(r){var i=cr(e);e.background=i.insertBefore(L("div",null,r),i.firstChild),t.display.input.setUneditable(e.background)}}(t,e),e.line.wrapClass?cr(e).className=e.line.wrapClass:e.node!=e.text&&(e.node.className="");var r=e.textClass?e.textClass+" "+(e.line.textClass||""):e.line.textClass;e.text.className=r||""}function dr(t,e,r,i){if(e.gutter&&(e.node.removeChild(e.gutter),e.gutter=null),e.gutterBackground&&(e.node.removeChild(e.gutterBackground),e.gutterBackground=null),e.line.gutterClass){var n=cr(e);e.gutterBackground=L("div",null,"CodeMirror-gutter-background "+e.line.gutterClass,"left: "+(t.options.fixedGutter?i.fixedPos:-i.gutterTotalWidth)+"px; width: "+i.gutterTotalWidth+"px"),t.display.input.setUneditable(e.gutterBackground),n.insertBefore(e.gutterBackground,e.text)}var s=e.line.gutterMarkers;if(t.options.lineNumbers||s){var o=cr(e),a=e.gutter=L("div",null,"CodeMirror-gutter-wrapper","left: "+(t.options.fixedGutter?i.fixedPos:-i.gutterTotalWidth)+"px");if(t.display.input.setUneditable(a),o.insertBefore(a,e.text),e.line.gutterClass&&(a.className+=" "+e.line.gutterClass),!t.options.lineNumbers||s&&s["CodeMirror-linenumbers"]||(e.lineNumber=a.appendChild(L("div",pt(t.options,r),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+i.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+t.display.lineNumInnerWidth+"px"))),s)for(var l=0;l<t.options.gutters.length;++l){var 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i,n,s,o,a,l,c=0;c<t.length;c+=3)if(a=t[c],l=t[c+1],e<a?(n=0,s=1,o="left"):e<l?s=1+(n=e-a):(c==t.length-3||e==l&&t[c+3]>e)&&(n=(s=l-a)-1,e>=l&&(o="right")),null!=n){if(i=t[c+2],a==l&&r==(i.insertLeft?"left":"right")&&(o=r),"left"==r&&0==n)for(;c&&t[c-2]==t[c-3]&&t[c-1].insertLeft;)i=t[2+(c-=3)],o="left";if("right"==r&&n==l-a)for(;c<t.length-3&&t[c+3]==t[c+4]&&!t[c+5].insertLeft;)i=t[(c+=3)+2],o="right";break}return{node:i,start:n,end:s,collapse:o,coverStart:a,coverEnd:l}}function Pr(t,e){var r=Rr;if("left"==e)for(var i=0;i<t.length&&(r=t[i]).left==r.right;i++);else for(var n=t.length-1;n>=0&&(r=t[n]).left==r.right;n--);return r}function Vr(t){if(t.measure&&(t.measure.cache={},t.measure.heights=null,t.rest))for(var e=0;e<t.rest.length;e++)t.measure.caches[e]={}}function Br(t){t.display.externalMeasure=null,I(t.display.lineMeasure);for(var e=0;e<t.display.view.length;e++)Vr(t.display.view[e])}function Fr(t){Br(t),t.display.cachedCharWidth=t.display.cachedTextHeight=t.display.cachedPaddingH=null,t.options.lineWrapping||(t.display.maxLineChanged=!0),t.display.lineNumChars=null}function Ur(){return h&&m?-(document.body.getBoundingClientRect().left-parseInt(getComputedStyle(document.body).marginLeft)):window.pageXOffset||(document.documentElement||document.body).scrollLeft}function Wr(){return h&&m?-(document.body.getBoundingClientRect().top-parseInt(getComputedStyle(document.body).marginTop)):window.pageYOffset||(document.documentElement||document.body).scrollTop}function Hr(t){var e=0;if(t.widgets)for(var r=0;r<t.widgets.length;++r)t.widgets[r].above&&(e+=br(t.widgets[r]));return e}function Gr(t,e,r,i,n){if(!n){var s=Hr(e);r.top+=s,r.bottom+=s}if("line"==i)return r;i||(i="local");var o=jt(e);if("local"==i?o+=wr(t.display):o-=t.display.viewOffset,"page"==i||"window"==i){var a=t.display.lineSpace.getBoundingClientRect();o+=a.top+("window"==i?0:Wr());var l=a.left+("window"==i?0:Ur());r.left+=l,r.right+=l}return r.top+=o,r.bottom+=o,r}function zr(t,e,r){if("div"==r)return e;var i=e.left,n=e.top;if("page"==r)i-=Ur(),n-=Wr();else if("local"==r||!r){var s=t.display.sizer.getBoundingClientRect();i+=s.left,n+=s.top}var o=t.display.lineSpace.getBoundingClientRect();return{left:i-o.left,top:n-o.top}}function _r(t,e,r,i,n){return i||(i=at(t.doc,e.line)),Gr(t,i,Or(t,i,e.ch,n),r)}function Xr(t,e,r,i,n,s){function o(e,o){var a=Ar(t,n,e,o?"right":"left",s);return o?a.left=a.right:a.right=a.left,Gr(t,i,a,r)}i=i||at(t.doc,e.line),n||(n=Nr(t,i));var a=Qt(i,t.doc.direction),l=e.ch,c=e.sticky;if(l>=i.text.length?(l=i.text.length,c="before"):l<=0&&(l=0,c="after"),!a)return o("before"==c?l-1:l,"before"==c);function h(t,e,r){var i=a[e],n=1==i.level;return o(r?t-1:t,n!=r)}var u=Jt(a,l,c),f=Yt,d=h(l,u,"before"==c);return null!=f&&(d.other=h(l,f,"before"!=c)),d}function jr(t,e){var r=0;e=kt(t.doc,e),t.options.lineWrapping||(r=ti(t.display)*e.ch);var i=at(t.doc,e.line),n=jt(i)+wr(t.display);return{left:r,right:r,top:n,bottom:n+i.height}}function Kr(t,e,r,i,n){var s=gt(t,e,r);return s.xRel=n,i&&(s.outside=!0),s}function qr(t,e,r){var i=t.doc;if((r+=t.display.viewOffset)<0)return Kr(i.first,0,null,!0,-1);var n=ft(i,r),s=i.first+i.size-1;if(n>s)return Kr(i.first+i.size-1,at(i,s).text.length,null,!0,1);e<0&&(e=0);for(var o=at(i,n);;){var a=Qr(t,o,n,e,r),l=Ut(o,a.ch+(a.xRel>0?1:0));if(!l)return a;var c=l.find(1);if(c.line==n)return c;o=at(i,n=c.line)}}function Yr(t,e,r,i){i-=Hr(e);var n=e.text.length,s=ot(function(e){return Ar(t,r,e-1).bottom<=i},n,0);return n=ot(function(e){return Ar(t,r,e).top>i},s,n),{begin:s,end:n}}function Jr(t,e,r,i){r||(r=Nr(t,e));var n=Gr(t,e,Ar(t,r,i),"line").top;return Yr(t,e,r,n)}function Zr(t,e,r,i){return!(t.bottom<=r)&&(t.top>r||(i?t.left:t.right)>e)}function Qr(t,e,r,i,n){n-=jt(e);var s=Nr(t,e),o=Hr(e),a=0,l=e.text.length,c=!0,h=Qt(e,t.doc.direction);if(h){var u=(t.options.lineWrapping?function(t,e,r,i,n,s,o){var a=Yr(t,e,i,o),l=a.begin,c=a.end;/\s/.test(e.text.charAt(c-1))&&c--;for(var h=null,u=null,f=0;f<n.length;f++){var d=n[f];if(!(d.from>=c||d.to<=l)){var p=1!=d.level,g=Ar(t,i,p?Math.min(c,d.to)-1:Math.max(l,d.from)).right,m=g<s?s-g+1e9:g-s;(!h||u>m)&&(h=d,u=m)}}return h||(h=n[n.length-1]),h.from<l&&(h={from:l,to:h.to,level:h.level}),h.to>c&&(h={from:h.from,to:c,level:h.level}),h}:function(t,e,r,i,n,s,o){var a=ot(function(a){var l=n[a],c=1!=l.level;return Zr(Xr(t,gt(r,c?l.to:l.from,c?"before":"after"),"line",e,i),s,o,!0)},0,n.length-1),l=n[a];if(a>0){var c=1!=l.level,h=Xr(t,gt(r,c?l.from:l.to,c?"after":"before"),"line",e,i);Zr(h,s,o,!0)&&h.top>o&&(l=n[a-1])}return l})(t,e,r,s,h,i,n);c=1!=u.level,a=c?u.from:u.to-1,l=c?u.to:u.from-1}var f,d,p=null,g=null,m=ot(function(e){var r=Ar(t,s,e);return r.top+=o,r.bottom+=o,!!Zr(r,i,n,!1)&&(r.top<=n&&r.left<=i&&(p=e,g=r),!0)},a,l),v=!1;if(g){var y=i-g.left<g.right-i,b=y==c;m=p+(b?0:1),d=b?"after":"before",f=y?g.left:g.right}else{c||m!=l&&m!=a||m++,d=0==m?"after":m==e.text.length?"before":Ar(t,s,m-(c?1:0)).bottom+o<=n==c?"after":"before";var x=Xr(t,gt(r,m,d),"line",e,s);f=x.left,v=n<x.top||n>=x.bottom}return m=st(e.text,m,1),Kr(r,m,d,v,i-f)}function $r(t){if(null!=t.cachedTextHeight)return t.cachedTextHeight;if(null==Dr){Dr=L("pre");for(var e=0;e<49;++e)Dr.appendChild(document.createTextNode("x")),Dr.appendChild(L("br"));Dr.appendChild(document.createTextNode("x"))}O(t.measure,Dr);var r=Dr.offsetHeight/50;return r>3&&(t.cachedTextHeight=r),I(t.measure),r||1}function ti(t){if(null!=t.cachedCharWidth)return t.cachedCharWidth;var e=L("span","xxxxxxxxxx"),r=L("pre",[e]);O(t.measure,r);var i=e.getBoundingClientRect(),n=(i.right-i.left)/10;return n>2&&(t.cachedCharWidth=n),n||10}function ei(t){for(var e=t.display,r={},i={},n=e.gutters.clientLeft,s=e.gutters.firstChild,o=0;s;s=s.nextSibling,++o)r[t.options.gutters[o]]=s.offsetLeft+s.clientLeft+n,i[t.options.gutters[o]]=s.clientWidth;return{fixedPos:ri(e),gutterTotalWidth:e.gutters.offsetWidth,gutterLeft:r,gutterWidth:i,wrapperWidth:e.wrapper.clientWidth}}function ri(t){return t.scroller.getBoundingClientRect().left-t.sizer.getBoundingClientRect().left}function ii(t){var e=$r(t.display),r=t.options.lineWrapping,i=r&&Math.max(5,t.display.scroller.clientWidth/ti(t.display)-3);return function(n){if(_t(t.doc,n))return 0;var s=0;if(n.widgets)for(var o=0;o<n.widgets.length;o++)n.widgets[o].height&&(s+=n.widgets[o].height);return r?s+(Math.ceil(n.text.length/i)||1)*e:s+e}}function ni(t){var e=t.doc,r=ii(t);e.iter(function(t){var e=r(t);e!=t.height&&ht(t,e)})}function si(t,e,r,i){var n=t.display;if(!r&&"true"==fe(e).getAttribute("cm-not-content"))return null;var s,o,a=n.lineSpace.getBoundingClientRect();try{s=e.clientX-a.left,o=e.clientY-a.top}catch(e){return null}var l,c=qr(t,s,o);if(i&&1==c.xRel&&(l=at(t.doc,c.line).text).length==c.ch){var h=F(l,l.length,t.options.tabSize)-l.length;c=gt(c.line,Math.max(0,Math.round((s-Sr(t.display).left)/ti(t.display))-h))}return c}function oi(t,e){if(e>=t.display.viewTo)return null;if((e-=t.display.viewFrom)<0)return null;for(var r=t.display.view,i=0;i<r.length;i++)if((e-=r[i].size)<0)return i}function ai(t){t.display.input.showSelection(t.display.input.prepareSelection())}function li(t,e){void 0===e&&(e=!0);for(var r=t.doc,i={},n=i.cursors=document.createDocumentFragment(),s=i.selection=document.createDocumentFragment(),o=0;o<r.sel.ranges.length;o++)if(e||o!=r.sel.primIndex){var a=r.sel.ranges[o];if(!(a.from().line>=t.display.viewTo||a.to().line<t.display.viewFrom)){var l=a.empty();(l||t.options.showCursorWhenSelecting)&&ci(t,a.head,n),l||ui(t,a,s)}}return i}function ci(t,e,r){var i=Xr(t,e,"div",null,null,!t.options.singleCursorHeightPerLine),n=r.appendChild(L("div"," ","CodeMirror-cursor"));if(n.style.left=i.left+"px",n.style.top=i.top+"px",n.style.height=Math.max(0,i.bottom-i.top)*t.options.cursorHeight+"px",i.other){var s=r.appendChild(L("div"," ","CodeMirror-cursor CodeMirror-secondarycursor"));s.style.display="",s.style.left=i.other.left+"px",s.style.top=i.other.top+"px",s.style.height=.85*(i.other.bottom-i.other.top)+"px"}}function hi(t,e){return t.top-e.top||t.left-e.left}function ui(t,e,r){var i=t.display,n=t.doc,s=document.createDocumentFragment(),o=Sr(t.display),a=o.left,l=Math.max(i.sizerWidth,Tr(t)-i.sizer.offsetLeft)-o.right,c="ltr"==n.direction;function h(t,e,r,i){e<0&&(e=0),e=Math.round(e),i=Math.round(i),s.appendChild(L("div",null,"CodeMirror-selected","position: absolute; left: "+t+"px;\n                             top: "+e+"px; width: "+(null==r?l-t:r)+"px;\n                             height: "+(i-e)+"px"))}function u(e,r,i){var s,o,u=at(n,e),f=u.text.length;function d(r,i){return _r(t,gt(e,r),"div",u,i)}function p(e,r,i){var n=Jr(t,u,null,e),s="ltr"==r==("after"==i)?"left":"right",o="after"==i?n.begin:n.end-(/\s/.test(u.text.charAt(n.end-1))?2:1);return d(o,s)[s]}var g=Qt(u,n.direction);return function(t,e,r,i){if(!t)return i(e,r,"ltr",0);for(var n=!1,s=0;s<t.length;++s){var o=t[s];(o.from<r&&o.to>e||e==r&&o.to==e)&&(i(Math.max(o.from,e),Math.min(o.to,r),1==o.level?"rtl":"ltr",s),n=!0)}n||i(e,r,"ltr")}(g,r||0,null==i?f:i,function(t,e,n,u){var m="ltr"==n,v=d(t,m?"left":"right"),y=d(e-1,m?"right":"left"),b=null==r&&0==t,x=null==i&&e==f,w=0==u,k=!g||u==g.length-1;if(y.top-v.top<=3){var S=(c?b:x)&&w,E=(c?x:b)&&k,T=S?a:(m?v:y).left,C=E?l:(m?y:v).right;h(T,v.top,C-T,v.bottom)}else{var I,O,L,N;m?(I=c&&b&&w?a:v.left,O=c?l:p(t,n,"before"),L=c?a:p(e,n,"after"),N=c&&x&&k?l:y.right):(I=c?p(t,n,"before"):a,O=!c&&b&&w?l:v.right,L=!c&&x&&k?a:y.left,N=c?p(e,n,"after"):l),h(I,v.top,O-I,v.bottom),v.bottom<y.top&&h(a,v.bottom,null,y.top),h(L,y.top,N-L,y.bottom)}(!s||hi(v,s)<0)&&(s=v),hi(y,s)<0&&(s=y),(!o||hi(v,o)<0)&&(o=v),hi(y,o)<0&&(o=y)}),{start:s,end:o}}var f=e.from(),d=e.to();if(f.line==d.line)u(f.line,f.ch,d.ch);else{var p=at(n,f.line),g=at(n,d.line),m=Ht(p)==Ht(g),v=u(f.line,f.ch,m?p.text.length+1:null).end,y=u(d.line,m?0:null,d.ch).start;m&&(v.top<y.top-2?(h(v.right,v.top,null,v.bottom),h(a,y.top,y.left,y.bottom)):h(v.right,v.top,y.left-v.right,v.bottom)),v.bottom<y.top&&h(a,v.bottom,null,y.top)}r.appendChild(s)}function fi(t){if(t.state.focused){var e=t.display;clearInterval(e.blinker);var r=!0;e.cursorDiv.style.visibility="",t.options.cursorBlinkRate>0?e.blinker=setInterval(function(){return e.cursorDiv.style.visibility=(r=!r)?"":"hidden"},t.options.cursorBlinkRate):t.options.cursorBlinkRate<0&&(e.cursorDiv.style.visibility="hidden")}}function di(t){t.state.focused||(t.display.input.focus(),gi(t))}function pi(t){t.state.delayingBlurEvent=!0,setTimeout(function(){t.state.delayingBlurEvent&&(t.state.delayingBlurEvent=!1,mi(t))},100)}function gi(t,e){t.state.delayingBlurEvent&&(t.state.delayingBlurEvent=!1),"nocursor"!=t.options.readOnly&&(t.state.focused||(ie(t,"focus",t,e),t.state.focused=!0,R(t.display.wrapper,"CodeMirror-focused"),t.curOp||t.display.selForContextMenu==t.doc.sel||(t.display.input.reset(),l&&setTimeout(function(){return t.display.input.reset(!0)},20)),t.display.input.receivedFocus()),fi(t))}function mi(t,e){t.state.delayingBlurEvent||(t.state.focused&&(ie(t,"blur",t,e),t.state.focused=!1,C(t.display.wrapper,"CodeMirror-focused")),clearInterval(t.display.blinker),setTimeout(function(){t.state.focused||(t.display.shift=!1)},150))}function vi(t){for(var e=t.display,r=e.lineDiv.offsetTop,i=0;i<e.view.length;i++){var n=e.view[i],s=void 0;if(!n.hidden){if(o&&a<8){var l=n.node.offsetTop+n.node.offsetHeight;s=l-r,r=l}else{var c=n.node.getBoundingClientRect();s=c.bottom-c.top}var h=n.line.height-s;if(s<2&&(s=$r(e)),(h>.005||h<-.005)&&(ht(n.line,s),yi(n.line),n.rest))for(var u=0;u<n.rest.length;u++)yi(n.rest[u])}}}function yi(t){if(t.widgets)for(var e=0;e<t.widgets.length;++e){var r=t.widgets[e],i=r.node.parentNode;i&&(r.height=i.offsetHeight)}}function bi(t,e,r){var i=r&&null!=r.top?Math.max(0,r.top):t.scroller.scrollTop;i=Math.floor(i-wr(t));var n=r&&null!=r.bottom?r.bottom:i+t.wrapper.clientHeight,s=ft(e,i),o=ft(e,n);if(r&&r.ensure){var a=r.ensure.from.line,l=r.ensure.to.line;a<s?(s=a,o=ft(e,jt(at(e,a))+t.wrapper.clientHeight)):Math.min(l,e.lastLine())>=o&&(s=ft(e,jt(at(e,l))-t.wrapper.clientHeight),o=l)}return{from:s,to:Math.max(o,s+1)}}function xi(t){var e=t.display,r=e.view;if(e.alignWidgets||e.gutters.firstChild&&t.options.fixedGutter){for(var i=ri(e)-e.scroller.scrollLeft+t.doc.scrollLeft,n=e.gutters.offsetWidth,s=i+"px",o=0;o<r.length;o++)if(!r[o].hidden){t.options.fixedGutter&&(r[o].gutter&&(r[o].gutter.style.left=s),r[o].gutterBackground&&(r[o].gutterBackground.style.left=s));var a=r[o].alignable;if(a)for(var l=0;l<a.length;l++)a[l].style.left=s}t.options.fixedGutter&&(e.gutters.style.left=i+n+"px")}}function wi(t){if(!t.options.lineNumbers)return!1;var e=t.doc,r=pt(t.options,e.first+e.size-1),i=t.display;if(r.length!=i.lineNumChars){var n=i.measure.appendChild(L("div",[L("div",r)],"CodeMirror-linenumber CodeMirror-gutter-elt")),s=n.firstChild.offsetWidth,o=n.offsetWidth-s;return i.lineGutter.style.width="",i.lineNumInnerWidth=Math.max(s,i.lineGutter.offsetWidth-o)+1,i.lineNumWidth=i.lineNumInnerWidth+o,i.lineNumChars=i.lineNumInnerWidth?r.length:-1,i.lineGutter.style.width=i.lineNumWidth+"px",ln(t),!0}return!1}function ki(t,e){var r=t.display,i=$r(t.display);e.top<0&&(e.top=0);var n=t.curOp&&null!=t.curOp.scrollTop?t.curOp.scrollTop:r.scroller.scrollTop,s=Cr(t),o={};e.bottom-e.top>s&&(e.bottom=e.top+s);var a=t.doc.height+kr(r),l=e.top<i,c=e.bottom>a-i;if(e.top<n)o.scrollTop=l?0:e.top;else if(e.bottom>n+s){var h=Math.min(e.top,(c?a:e.bottom)-s);h!=n&&(o.scrollTop=h)}var u=t.curOp&&null!=t.curOp.scrollLeft?t.curOp.scrollLeft:r.scroller.scrollLeft,f=Tr(t)-(t.options.fixedGutter?r.gutters.offsetWidth:0),d=e.right-e.left>f;return d&&(e.right=e.left+f),e.left<10?o.scrollLeft=0:e.left<u?o.scrollLeft=Math.max(0,e.left-(d?0:10)):e.right>f+u-3&&(o.scrollLeft=e.right+(d?0:10)-f),o}function Si(t,e){null!=e&&(Ci(t),t.curOp.scrollTop=(null==t.curOp.scrollTop?t.doc.scrollTop:t.curOp.scrollTop)+e)}function Ei(t){Ci(t);var e=t.getCursor();t.curOp.scrollToPos={from:e,to:e,margin:t.options.cursorScrollMargin}}function Ti(t,e,r){null==e&&null==r||Ci(t),null!=e&&(t.curOp.scrollLeft=e),null!=r&&(t.curOp.scrollTop=r)}function Ci(t){var e=t.curOp.scrollToPos;if(e){t.curOp.scrollToPos=null;var r=jr(t,e.from),i=jr(t,e.to);Ii(t,r,i,e.margin)}}function Ii(t,e,r,i){var n=ki(t,{left:Math.min(e.left,r.left),top:Math.min(e.top,r.top)-i,right:Math.max(e.right,r.right),bottom:Math.max(e.bottom,r.bottom)+i});Ti(t,n.scrollLeft,n.scrollTop)}function Oi(t,e){Math.abs(t.doc.scrollTop-e)<2||(r||an(t,{top:e}),Li(t,e,!0),r&&an(t),en(t,100))}function Li(t,e,r){e=Math.min(t.display.scroller.scrollHeight-t.display.scroller.clientHeight,e),(t.display.scroller.scrollTop!=e||r)&&(t.doc.scrollTop=e,t.display.scrollbars.setScrollTop(e),t.display.scroller.scrollTop!=e&&(t.display.scroller.scrollTop=e))}function Ni(t,e,r,i){e=Math.min(e,t.display.scroller.scrollWidth-t.display.scroller.clientWidth),(r?e==t.doc.scrollLeft:Math.abs(t.doc.scrollLeft-e)<2)&&!i||(t.doc.scrollLeft=e,xi(t),t.display.scroller.scrollLeft!=e&&(t.display.scroller.scrollLeft=e),t.display.scrollbars.setScrollLeft(e))}function Ai(t){var e=t.display,r=e.gutters.offsetWidth,i=Math.round(t.doc.height+kr(t.display));return{clientHeight:e.scroller.clientHeight,viewHeight:e.wrapper.clientHeight,scrollWidth:e.scroller.scrollWidth,clientWidth:e.scroller.clientWidth,viewWidth:e.wrapper.clientWidth,barLeft:t.options.fixedGutter?r:0,docHeight:i,scrollHeight:i+Er(t)+e.barHeight,nativeBarWidth:e.nativeBarWidth,gutterWidth:r}}var Di=function(t,e,r){this.cm=r;var i=this.vert=L("div",[L("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),n=this.horiz=L("div",[L("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");i.tabIndex=n.tabIndex=-1,t(i),t(n),te(i,"scroll",function(){i.clientHeight&&e(i.scrollTop,"vertical")}),te(n,"scroll",function(){n.clientWidth&&e(n.scrollLeft,"horizontal")}),this.checkedZeroWidth=!1,o&&a<8&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")};Di.prototype.update=function(t){var e=t.scrollWidth>t.clientWidth+1,r=t.scrollHeight>t.clientHeight+1,i=t.nativeBarWidth;if(r){this.vert.style.display="block",this.vert.style.bottom=e?i+"px":"0";var n=t.viewHeight-(e?i:0);this.vert.firstChild.style.height=Math.max(0,t.scrollHeight-t.clientHeight+n)+"px"}else this.vert.style.display="",this.vert.firstChild.style.height="0";if(e){this.horiz.style.display="block",this.horiz.style.right=r?i+"px":"0",this.horiz.style.left=t.barLeft+"px";var s=t.viewWidth-t.barLeft-(r?i:0);this.horiz.firstChild.style.width=Math.max(0,t.scrollWidth-t.clientWidth+s)+"px"}else this.horiz.style.display="",this.horiz.firstChild.style.width="0";return!this.checkedZeroWidth&&t.clientHeight>0&&(0==i&&this.zeroWidthHack(),this.checkedZeroWidth=!0),{right:r?i:0,bottom:e?i:0}},Di.prototype.setScrollLeft=function(t){this.horiz.scrollLeft!=t&&(this.horiz.scrollLeft=t),this.disableHoriz&&this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")},Di.prototype.setScrollTop=function(t){this.vert.scrollTop!=t&&(this.vert.scrollTop=t),this.disableVert&&this.enableZeroWidthBar(this.vert,this.disableVert,"vert")},Di.prototype.zeroWidthHack=function(){var t=y&&!d?"12px":"18px";this.horiz.style.height=this.vert.style.width=t,this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none",this.disableHoriz=new U,this.disableVert=new U},Di.prototype.enableZeroWidthBar=function(t,e,r){t.style.pointerEvents="auto",e.set(1e3,function i(){var n=t.getBoundingClientRect(),s="vert"==r?document.elementFromPoint(n.right-1,(n.top+n.bottom)/2):document.elementFromPoint((n.right+n.left)/2,n.bottom-1);s!=t?t.style.pointerEvents="none":e.set(1e3,i)})},Di.prototype.clear=function(){var t=this.horiz.parentNode;t.removeChild(this.horiz),t.removeChild(this.vert)};var Ri=function(){};function Mi(t,e){e||(e=Ai(t));var r=t.display.barWidth,i=t.display.barHeight;Pi(t,e);for(var n=0;n<4&&r!=t.display.barWidth||i!=t.display.barHeight;n++)r!=t.display.barWidth&&t.options.lineWrapping&&vi(t),Pi(t,Ai(t)),r=t.display.barWidth,i=t.display.barHeight}function Pi(t,e){var r=t.display,i=r.scrollbars.update(e);r.sizer.style.paddingRight=(r.barWidth=i.right)+"px",r.sizer.style.paddingBottom=(r.barHeight=i.bottom)+"px",r.heightForcer.style.borderBottom=i.bottom+"px solid transparent",i.right&&i.bottom?(r.scrollbarFiller.style.display="block",r.scrollbarFiller.style.height=i.bottom+"px",r.scrollbarFiller.style.width=i.right+"px"):r.scrollbarFiller.style.display="",i.bottom&&t.options.coverGutterNextToScrollbar&&t.options.fixedGutter?(r.gutterFiller.style.display="block",r.gutterFiller.style.height=i.bottom+"px",r.gutterFiller.style.width=e.gutterWidth+"px"):r.gutterFiller.style.display=""}Ri.prototype.update=function(){return{bottom:0,right:0}},Ri.prototype.setScrollLeft=function(){},Ri.prototype.setScrollTop=function(){},Ri.prototype.clear=function(){};var Vi={native:Di,null:Ri};function Bi(t){t.display.scrollbars&&(t.display.scrollbars.clear(),t.display.scrollbars.addClass&&C(t.display.wrapper,t.display.scrollbars.addClass)),t.display.scrollbars=new Vi[t.options.scrollbarStyle](function(e){t.display.wrapper.insertBefore(e,t.display.scrollbarFiller),te(e,"mousedown",function(){t.state.focused&&setTimeout(function(){return t.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,r){"horizontal"==r?Ni(t,e):Oi(t,e)},t),t.display.scrollbars.addClass&&R(t.display.wrapper,t.display.scrollbars.addClass)}var Fi=0;function Ui(t){t.curOp={cm:t,viewChanged:!1,startHeight:t.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:++Fi},function(t){nr?nr.ops.push(t):t.ownsGroup=nr={ops:[t],delayedCallbacks:[]}}(t.curOp)}function Wi(t){var e=t.curOp;!function(t,e){var r=t.ownsGroup;if(r)try{!function(t){var e=t.delayedCallbacks,r=0;do{for(;r<e.length;r++)e[r].call(null);for(var i=0;i<t.ops.length;i++){var n=t.ops[i];if(n.cursorActivityHandlers)for(;n.cursorActivityCalled<n.cursorActivityHandlers.length;)n.cursorActivityHandlers[n.cursorActivityCalled++].call(null,n.cm)}}while(r<e.length)}(r)}finally{nr=null,e(r)}}(e,function(t){for(var e=0;e<t.ops.length;e++)t.ops[e].cm.curOp=null;!function(t){for(var e=t.ops,r=0;r<e.length;r++)Hi(e[r]);for(var i=0;i<e.length;i++)Gi(e[i]);for(var n=0;n<e.length;n++)zi(e[n]);for(var s=0;s<e.length;s++)_i(e[s]);for(var o=0;o<e.length;o++)Xi(e[o])}(t)})}function Hi(t){var e=t.cm,r=e.display;!function(t){var e=t.display;!e.scrollbarsClipped&&e.scroller.offsetWidth&&(e.nativeBarWidth=e.scroller.offsetWidth-e.scroller.clientWidth,e.heightForcer.style.height=Er(t)+"px",e.sizer.style.marginBottom=-e.nativeBarWidth+"px",e.sizer.style.borderRightWidth=Er(t)+"px",e.scrollbarsClipped=!0)}(e),t.updateMaxLine&&qt(e),t.mustUpdate=t.viewChanged||t.forceUpdate||null!=t.scrollTop||t.scrollToPos&&(t.scrollToPos.from.line<r.viewFrom||t.scrollToPos.to.line>=r.viewTo)||r.maxLineChanged&&e.options.lineWrapping,t.update=t.mustUpdate&&new nn(e,t.mustUpdate&&{top:t.scrollTop,ensure:t.scrollToPos},t.forceUpdate)}function Gi(t){t.updatedDisplay=t.mustUpdate&&sn(t.cm,t.update)}function zi(t){var e=t.cm,r=e.display;t.updatedDisplay&&vi(e),t.barMeasure=Ai(e),r.maxLineChanged&&!e.options.lineWrapping&&(t.adjustWidthTo=Or(e,r.maxLine,r.maxLine.text.length).left+3,e.display.sizerWidth=t.adjustWidthTo,t.barMeasure.scrollWidth=Math.max(r.scroller.clientWidth,r.sizer.offsetLeft+t.adjustWidthTo+Er(e)+e.display.barWidth),t.maxScrollLeft=Math.max(0,r.sizer.offsetLeft+t.adjustWidthTo-Tr(e))),(t.updatedDisplay||t.selectionChanged)&&(t.preparedSelection=r.input.prepareSelection())}function _i(t){var e=t.cm;null!=t.adjustWidthTo&&(e.display.sizer.style.minWidth=t.adjustWidthTo+"px",t.maxScrollLeft<e.doc.scrollLeft&&Ni(e,Math.min(e.display.scroller.scrollLeft,t.maxScrollLeft),!0),e.display.maxLineChanged=!1);var r=t.focus&&t.focus==D();t.preparedSelection&&e.display.input.showSelection(t.preparedSelection,r),(t.updatedDisplay||t.startHeight!=e.doc.height)&&Mi(e,t.barMeasure),t.updatedDisplay&&cn(e,t.barMeasure),t.selectionChanged&&fi(e),e.state.focused&&t.updateInput&&e.display.input.reset(t.typing),r&&di(t.cm)}function Xi(t){var e=t.cm,r=e.display,i=e.doc;if(t.updatedDisplay&&on(e,t.update),null==r.wheelStartX||null==t.scrollTop&&null==t.scrollLeft&&!t.scrollToPos||(r.wheelStartX=r.wheelStartY=null),null!=t.scrollTop&&Li(e,t.scrollTop,t.forceScroll),null!=t.scrollLeft&&Ni(e,t.scrollLeft,!0,!0),t.scrollToPos){var n=function(t,e,r,i){var n;null==i&&(i=0),t.options.lineWrapping||e!=r||(e=e.ch?gt(e.line,"before"==e.sticky?e.ch-1:e.ch,"after"):e,r="before"==e.sticky?gt(e.line,e.ch+1,"before"):e);for(var s=0;s<5;s++){var o=!1,a=Xr(t,e),l=r&&r!=e?Xr(t,r):a;n={left:Math.min(a.left,l.left),top:Math.min(a.top,l.top)-i,right:Math.max(a.left,l.left),bottom:Math.max(a.bottom,l.bottom)+i};var c=ki(t,n),h=t.doc.scrollTop,u=t.doc.scrollLeft;if(null!=c.scrollTop&&(Oi(t,c.scrollTop),Math.abs(t.doc.scrollTop-h)>1&&(o=!0)),null!=c.scrollLeft&&(Ni(t,c.scrollLeft),Math.abs(t.doc.scrollLeft-u)>1&&(o=!0)),!o)break}return n}(e,kt(i,t.scrollToPos.from),kt(i,t.scrollToPos.to),t.scrollToPos.margin);!function(t,e){if(!ne(t,"scrollCursorIntoView")){var r=t.display,i=r.sizer.getBoundingClientRect(),n=null;if(e.top+i.top<0?n=!0:e.bottom+i.top>(window.innerHeight||document.documentElement.clientHeight)&&(n=!1),null!=n&&!p){var s=L("div","",null,"position: absolute;\n                         top: "+(e.top-r.viewOffset-wr(t.display))+"px;\n                         height: "+(e.bottom-e.top+Er(t)+r.barHeight)+"px;\n                         left: "+e.left+"px; width: "+Math.max(2,e.right-e.left)+"px;");t.display.lineSpace.appendChild(s),s.scrollIntoView(n),t.display.lineSpace.removeChild(s)}}}(e,n)}var s=t.maybeHiddenMarkers,o=t.maybeUnhiddenMarkers;if(s)for(var a=0;a<s.length;++a)s[a].lines.length||ie(s[a],"hide");if(o)for(var l=0;l<o.length;++l)o[l].lines.length&&ie(o[l],"unhide");r.wrapper.offsetHeight&&(i.scrollTop=e.display.scroller.scrollTop),t.changeObjs&&ie(e,"changes",e,t.changeObjs),t.update&&t.update.finish()}function ji(t,e){if(t.curOp)return e();Ui(t);try{return e()}finally{Wi(t)}}function Ki(t,e){return function(){if(t.curOp)return e.apply(t,arguments);Ui(t);try{return e.apply(t,arguments)}finally{Wi(t)}}}function qi(t){return function(){if(this.curOp)return t.apply(this,arguments);Ui(this);try{return t.apply(this,arguments)}finally{Wi(this)}}}function Yi(t){return function(){var e=this.cm;if(!e||e.curOp)return t.apply(this,arguments);Ui(e);try{return t.apply(this,arguments)}finally{Wi(e)}}}function Ji(t,e,r,i){null==e&&(e=t.doc.first),null==r&&(r=t.doc.first+t.doc.size),i||(i=0);var n=t.display;if(i&&r<n.viewTo&&(null==n.updateLineNumbers||n.updateLineNumbers>e)&&(n.updateLineNumbers=e),t.curOp.viewChanged=!0,e>=n.viewTo)Tt&&Gt(t.doc,e)<n.viewTo&&Qi(t);else if(r<=n.viewFrom)Tt&&zt(t.doc,r+i)>n.viewFrom?Qi(t):(n.viewFrom+=i,n.viewTo+=i);else if(e<=n.viewFrom&&r>=n.viewTo)Qi(t);else if(e<=n.viewFrom){var s=$i(t,r,r+i,1);s?(n.view=n.view.slice(s.index),n.viewFrom=s.lineN,n.viewTo+=i):Qi(t)}else if(r>=n.viewTo){var o=$i(t,e,e,-1);o?(n.view=n.view.slice(0,o.index),n.viewTo=o.lineN):Qi(t)}else{var a=$i(t,e,e,-1),l=$i(t,r,r+i,1);a&&l?(n.view=n.view.slice(0,a.index).concat(ir(t,a.lineN,l.lineN)).concat(n.view.slice(l.index)),n.viewTo+=i):Qi(t)}var c=n.externalMeasured;c&&(r<c.lineN?c.lineN+=i:e<c.lineN+c.size&&(n.externalMeasured=null))}function Zi(t,e,r){t.curOp.viewChanged=!0;var i=t.display,n=t.display.externalMeasured;if(n&&e>=n.lineN&&e<n.lineN+n.size&&(i.externalMeasured=null),!(e<i.viewFrom||e>=i.viewTo)){var s=i.view[oi(t,e)];if(null!=s.node){var o=s.changes||(s.changes=[]);-1==W(o,r)&&o.push(r)}}}function Qi(t){t.display.viewFrom=t.display.viewTo=t.doc.first,t.display.view=[],t.display.viewOffset=0}function $i(t,e,r,i){var n,s=oi(t,e),o=t.display.view;if(!Tt||r==t.doc.first+t.doc.size)return{index:s,lineN:r};for(var a=t.display.viewFrom,l=0;l<s;l++)a+=o[l].size;if(a!=e){if(i>0){if(s==o.length-1)return null;n=a+o[s].size-e,s++}else n=a-e;e+=n,r+=n}for(;Gt(t.doc,r)!=r;){if(s==(i<0?0:o.length-1))return null;r+=i*o[s-(i<0?1:0)].size,s+=i}return{index:s,lineN:r}}function tn(t){for(var e=t.display.view,r=0,i=0;i<e.length;i++){var n=e[i];n.hidden||n.node&&!n.changes||++r}return r}function en(t,e){t.doc.highlightFrontier<t.display.viewTo&&t.state.highlight.set(e,V(rn,t))}function rn(t){var e=t.doc;if(!(e.highlightFrontier>=t.display.viewTo)){var r=+new Date+t.options.workTime,i=Be(t,e.highlightFrontier),n=[];e.iter(i.line,Math.min(e.first+e.size,t.display.viewTo+500),function(s){if(i.line>=t.display.viewFrom){var o=s.styles,a=s.text.length>t.options.maxHighlightLength?Le(e.mode,i.state):null,l=Pe(t,s,i,!0);a&&(i.state=a),s.styles=l.styles;var c=s.styleClasses,h=l.classes;h?s.styleClasses=h:c&&(s.styleClasses=null);for(var u=!o||o.length!=s.styles.length||c!=h&&(!c||!h||c.bgClass!=h.bgClass||c.textClass!=h.textClass),f=0;!u&&f<o.length;++f)u=o[f]!=s.styles[f];u&&n.push(i.line),s.stateAfter=i.save(),i.nextLine()}else s.text.length<=t.options.maxHighlightLength&&Fe(t,s.text,i),s.stateAfter=i.line%5==0?i.save():null,i.nextLine();if(+new Date>r)return en(t,t.options.workDelay),!0}),e.highlightFrontier=i.line,e.modeFrontier=Math.max(e.modeFrontier,i.line),n.length&&ji(t,function(){for(var e=0;e<n.length;e++)Zi(t,n[e],"text")})}}var nn=function(t,e,r){var i=t.display;this.viewport=e,this.visible=bi(i,t.doc,e),this.editorIsHidden=!i.wrapper.offsetWidth,this.wrapperHeight=i.wrapper.clientHeight,this.wrapperWidth=i.wrapper.clientWidth,this.oldDisplayWidth=Tr(t),this.force=r,this.dims=ei(t),this.events=[]};function sn(t,e){var r=t.display,i=t.doc;if(e.editorIsHidden)return Qi(t),!1;if(!e.force&&e.visible.from>=r.viewFrom&&e.visible.to<=r.viewTo&&(null==r.updateLineNumbers||r.updateLineNumbers>=r.viewTo)&&r.renderedView==r.view&&0==tn(t))return!1;wi(t)&&(Qi(t),e.dims=ei(t));var n=i.first+i.size,s=Math.max(e.visible.from-t.options.viewportMargin,i.first),o=Math.min(n,e.visible.to+t.options.viewportMargin);r.viewFrom<s&&s-r.viewFrom<20&&(s=Math.max(i.first,r.viewFrom)),r.viewTo>o&&r.viewTo-o<20&&(o=Math.min(n,r.viewTo)),Tt&&(s=Gt(t.doc,s),o=zt(t.doc,o));var a=s!=r.viewFrom||o!=r.viewTo||r.lastWrapHeight!=e.wrapperHeight||r.lastWrapWidth!=e.wrapperWidth;!function(t,e,r){var i=t.display;0==i.view.length||e>=i.viewTo||r<=i.viewFrom?(i.view=ir(t,e,r),i.viewFrom=e):(i.viewFrom>e?i.view=ir(t,e,i.viewFrom).concat(i.view):i.viewFrom<e&&(i.view=i.view.slice(oi(t,e))),i.viewFrom=e,i.viewTo<r?i.view=i.view.concat(ir(t,i.viewTo,r)):i.viewTo>r&&(i.view=i.view.slice(0,oi(t,r)))),i.viewTo=r}(t,s,o),r.viewOffset=jt(at(t.doc,r.viewFrom)),t.display.mover.style.top=r.viewOffset+"px";var c=tn(t);if(!a&&0==c&&!e.force&&r.renderedView==r.view&&(null==r.updateLineNumbers||r.updateLineNumbers>=r.viewTo))return!1;var h=function(t){if(t.hasFocus())return null;var e=D();if(!e||!A(t.display.lineDiv,e))return null;var r={activeElt:e};if(window.getSelection){var i=window.getSelection();i.anchorNode&&i.extend&&A(t.display.lineDiv,i.anchorNode)&&(r.anchorNode=i.anchorNode,r.anchorOffset=i.anchorOffset,r.focusNode=i.focusNode,r.focusOffset=i.focusOffset)}return r}(t);return c>4&&(r.lineDiv.style.display="none"),function(t,e,r){var i=t.display,n=t.options.lineNumbers,s=i.lineDiv,o=s.firstChild;function a(e){var r=e.nextSibling;return l&&y&&t.display.currentWheelTarget==e?e.style.display="none":e.parentNode.removeChild(e),r}for(var c=i.view,h=i.viewFrom,u=0;u<c.length;u++){var f=c[u];if(f.hidden);else if(f.node&&f.node.parentNode==s){for(;o!=f.node;)o=a(o);var d=n&&null!=e&&e<=h&&f.lineNumber;f.changes&&(W(f.changes,"gutter")>-1&&(d=!1),lr(t,f,h,r)),d&&(I(f.lineNumber),f.lineNumber.appendChild(document.createTextNode(pt(t.options,h)))),o=f.node.nextSibling}else{var p=gr(t,f,h,r);s.insertBefore(p,o)}h+=f.size}for(;o;)o=a(o)}(t,r.updateLineNumbers,e.dims),c>4&&(r.lineDiv.style.display=""),r.renderedView=r.view,function(t){if(t&&t.activeElt&&t.activeElt!=D()&&(t.activeElt.focus(),t.anchorNode&&A(document.body,t.anchorNode)&&A(document.body,t.focusNode))){var e=window.getSelection(),r=document.createRange();r.setEnd(t.anchorNode,t.anchorOffset),r.collapse(!1),e.removeAllRanges(),e.addRange(r),e.extend(t.focusNode,t.focusOffset)}}(h),I(r.cursorDiv),I(r.selectionDiv),r.gutters.style.height=r.sizer.style.minHeight=0,a&&(r.lastWrapHeight=e.wrapperHeight,r.lastWrapWidth=e.wrapperWidth,en(t,400)),r.updateLineNumbers=null,!0}function on(t,e){for(var r=e.viewport,i=!0;(i&&t.options.lineWrapping&&e.oldDisplayWidth!=Tr(t)||(r&&null!=r.top&&(r={top:Math.min(t.doc.height+kr(t.display)-Cr(t),r.top)}),e.visible=bi(t.display,t.doc,r),!(e.visible.from>=t.display.viewFrom&&e.visible.to<=t.display.viewTo)))&&sn(t,e);i=!1){vi(t);var n=Ai(t);ai(t),Mi(t,n),cn(t,n),e.force=!1}e.signal(t,"update",t),t.display.viewFrom==t.display.reportedViewFrom&&t.display.viewTo==t.display.reportedViewTo||(e.signal(t,"viewportChange",t,t.display.viewFrom,t.display.viewTo),t.display.reportedViewFrom=t.display.viewFrom,t.display.reportedViewTo=t.display.viewTo)}function an(t,e){var r=new nn(t,e);if(sn(t,r)){vi(t),on(t,r);var i=Ai(t);ai(t),Mi(t,i),cn(t,i),r.finish()}}function ln(t){var e=t.display.gutters.offsetWidth;t.display.sizer.style.marginLeft=e+"px"}function cn(t,e){t.display.sizer.style.minHeight=e.docHeight+"px",t.display.heightForcer.style.top=e.docHeight+"px",t.display.gutters.style.height=e.docHeight+t.display.barHeight+Er(t)+"px"}function hn(t){var e=t.display.gutters,r=t.options.gutters;I(e);for(var i=0;i<r.length;++i){var n=r[i],s=e.appendChild(L("div",null,"CodeMirror-gutter "+n));"CodeMirror-linenumbers"==n&&(t.display.lineGutter=s,s.style.width=(t.display.lineNumWidth||1)+"px")}e.style.display=i?"":"none",ln(t)}function un(t){var e=W(t.gutters,"CodeMirror-linenumbers");-1==e&&t.lineNumbers?t.gutters=t.gutters.concat(["CodeMirror-linenumbers"]):e>-1&&!t.lineNumbers&&(t.gutters=t.gutters.slice(0),t.gutters.splice(e,1))}nn.prototype.signal=function(t,e){oe(t,e)&&this.events.push(arguments)},nn.prototype.finish=function(){for(var t=0;t<this.events.length;t++)ie.apply(null,this.events[t])};var fn=0,dn=null;function pn(t){var e=t.wheelDeltaX,r=t.wheelDeltaY;return null==e&&t.detail&&t.axis==t.HORIZONTAL_AXIS&&(e=t.detail),null==r&&t.detail&&t.axis==t.VERTICAL_AXIS?r=t.detail:null==r&&(r=t.wheelDelta),{x:e,y:r}}function gn(t){var e=pn(t);return e.x*=dn,e.y*=dn,e}function mn(t,e){var i=pn(e),n=i.x,s=i.y,o=t.display,a=o.scroller,c=a.scrollWidth>a.clientWidth,h=a.scrollHeight>a.clientHeight;if(n&&c||s&&h){if(s&&y&&l)t:for(var f=e.target,d=o.view;f!=a;f=f.parentNode)for(var p=0;p<d.length;p++)if(d[p].node==f){t.display.currentWheelTarget=f;break t}if(n&&!r&&!u&&null!=dn)return s&&h&&Oi(t,Math.max(0,a.scrollTop+s*dn)),Ni(t,Math.max(0,a.scrollLeft+n*dn)),(!s||s&&h)&&le(e),void(o.wheelStartX=null);if(s&&null!=dn){var 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i=t.cm&&t.cm.state.suppressEdits;if(!i||r){for(var n,s=t.history,o=t.sel,a="undo"==e?s.done:s.undone,l="undo"==e?s.undone:s.done,c=0;c<a.length&&(n=a[c],r?!n.ranges||n.equals(t.sel):n.ranges);c++);if(c!=a.length){for(s.lastOrigin=s.lastSelOrigin=null;;){if(!(n=a.pop()).ranges){if(i)return void a.push(n);break}if(Bn(n,l),r&&!n.equals(t.sel))return void qn(t,n,{clearRedo:!1});o=n}var h=[];Bn(o,l),l.push({changes:h,generation:s.generation}),s.generation=n.generation||++s.maxGeneration;for(var u=oe(t,"beforeChange")||t.cm&&oe(t.cm,"beforeChange"),f=function(r){var i=n.changes[r];if(i.origin=e,u&&!is(t,i,!1))return a.length=0,{};h.push(Rn(t,i));var s=r?Sn(t,i):Y(a);ls(t,i,s,Wn(t,i)),!r&&t.cm&&t.cm.scrollIntoView({from:i.from,to:wn(i)});var o=[];Ln(t,function(t,e){e||-1!=W(o,t.history)||(fs(t.history,i),o.push(t.history)),ls(t,i,null,Wn(t,i))})},d=n.changes.length-1;d>=0;--d){var p=f(d);if(p)return p.v}}}}function as(t,e){if(0!=e&&(t.first+=e,t.sel=new vn(J(t.sel.ranges,function(t){return new yn(gt(t.anchor.line+e,t.anchor.ch),gt(t.head.line+e,t.head.ch))}),t.sel.primIndex),t.cm)){Ji(t.cm,t.first,t.first-e,e);for(var r=t.cm.display,i=r.viewFrom;i<r.viewTo;i++)Zi(t.cm,i,"gutter")}}function ls(t,e,r,i){if(t.cm&&!t.cm.curOp)return Ki(t.cm,ls)(t,e,r,i);if(e.to.line<t.first)as(t,e.text.length-1-(e.to.line-e.from.line));else if(!(e.from.line>t.lastLine())){if(e.from.line<t.first){var n=e.text.length-1-(t.first-e.from.line);as(t,n),e={from:gt(t.first,0),to:gt(e.to.line+n,e.to.ch),text:[Y(e.text)],origin:e.origin}}var s=t.lastLine();e.to.line>s&&(e={from:e.from,to:gt(s,at(t,s).text.length),text:[e.text[0]],origin:e.origin}),e.removed=lt(t,e.from,e.to),r||(r=Sn(t,e)),t.cm?function(t,e,r){var i=t.doc,n=t.display,s=e.from,o=e.to,a=!1,l=s.line;t.options.lineWrapping||(l=ut(Ht(at(i,s.line))),i.iter(l,o.line+1,function(t){if(t==n.maxLine)return a=!0,!0})),i.sel.contains(e.from,e.to)>-1&&se(t),On(i,e,r,ii(t)),t.options.lineWrapping||(i.iter(l,s.line+e.text.length,function(t){var e=Kt(t);e>n.maxLineLength&&(n.maxLine=t,n.maxLineLength=e,n.maxLineChanged=!0,a=!1)}),a&&(t.curOp.updateMaxLine=!0)),function(t,e){if(t.modeFrontier=Math.min(t.modeFrontier,e),!(t.highlightFrontier<e-10)){for(var r=t.first,i=e-1;i>r;i--){var n=at(t,i).stateAfter;if(n&&(!(n instanceof Re)||i+n.lookAhead<e)){r=i+1;break}}t.highlightFrontier=Math.min(t.highlightFrontier,r)}}(i,s.line),en(t,400);var c=e.text.length-(o.line-s.line)-1;e.full?Ji(t):s.line!=o.line||1!=e.text.length||In(t.doc,e)?Ji(t,s.line,o.line+1,c):Zi(t,s.line,"text");var h=oe(t,"changes"),u=oe(t,"change");if(u||h){var f={from:s,to:o,text:e.text,removed:e.removed,origin:e.origin};u&&or(t,"change",t,f),h&&(t.curOp.changeObjs||(t.curOp.changeObjs=[])).push(f)}t.display.selForContextMenu=null}(t.cm,e,i):On(t,e,i),Yn(t,r,z)}}function cs(t,e,r,i,n){var s;i||(i=r),mt(i,r)<0&&(r=(s=[i,r])[0],i=s[1]),"string"==typeof e&&(e=t.splitLines(e)),ns(t,{from:r,to:i,text:e,origin:n})}function hs(t,e,r,i){r<t.line?t.line+=i:e<t.line&&(t.line=e,t.ch=0)}function us(t,e,r,i){for(var n=0;n<t.length;++n){var s=t[n],o=!0;if(s.ranges){s.copied||((s=t[n]=s.deepCopy()).copied=!0);for(var a=0;a<s.ranges.length;a++)hs(s.ranges[a].anchor,e,r,i),hs(s.ranges[a].head,e,r,i)}else{for(var l=0;l<s.changes.length;++l){var c=s.changes[l];if(r<c.from.line)c.from=gt(c.from.line+i,c.from.ch),c.to=gt(c.to.line+i,c.to.ch);else if(e<=c.to.line){o=!1;break}}o||(t.splice(0,n+1),n=0)}}}function fs(t,e){var r=e.from.line,i=e.to.line,n=e.text.length-(i-r)-1;us(t.done,r,i,n),us(t.undone,r,i,n)}function ds(t,e,r,i){var n=e,s=e;return"number"==typeof e?s=at(t,wt(t,e)):n=ut(e),null==n?null:(i(s,n)&&t.cm&&Zi(t.cm,n,r),s)}function ps(t){this.lines=t,this.parent=null;for(var e=0,r=0;r<t.length;++r)t[r].parent=this,e+=t[r].height;this.height=e}function gs(t){this.children=t;for(var e=0,r=0,i=0;i<t.length;++i){var n=t[i];e+=n.chunkSize(),r+=n.height,n.parent=this}this.size=e,this.height=r,this.parent=null}yn.prototype.from=function(){return xt(this.anchor,this.head)},yn.prototype.to=function(){return bt(this.anchor,this.head)},yn.prototype.empty=function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch},ps.prototype={chunkSize:function(){return this.lines.length},removeInner:function(t,e){for(var r=t,i=t+e;r<i;++r){var n=this.lines[r];this.height-=n.height,je(n),or(n,"delete")}this.lines.splice(t,e)},collapse:function(t){t.push.apply(t,this.lines)},insertInner:function(t,e,r){this.height+=r,this.lines=this.lines.slice(0,t).concat(e).concat(this.lines.slice(t));for(var i=0;i<e.length;++i)e[i].parent=this},iterN:function(t,e,r){for(var i=t+e;t<i;++t)if(r(this.lines[t]))return!0}},gs.prototype={chunkSize:function(){return this.size},removeInner:function(t,e){this.size-=e;for(var r=0;r<this.children.length;++r){var i=this.children[r],n=i.chunkSize();if(t<n){var s=Math.min(e,n-t),o=i.height;if(i.removeInner(t,s),this.height-=o-i.height,n==s&&(this.children.splice(r--,1),i.parent=null),0==(e-=s))break;t=0}else t-=n}if(this.size-e<25&&(this.children.length>1||!(this.children[0]instanceof ps))){var a=[];this.collapse(a),this.children=[new ps(a)],this.children[0].parent=this}},collapse:function(t){for(var e=0;e<this.children.length;++e)this.children[e].collapse(t)},insertInner:function(t,e,r){this.size+=e.length,this.height+=r;for(var i=0;i<this.children.length;++i){var n=this.children[i],s=n.chunkSize();if(t<=s){if(n.insertInner(t,e,r),n.lines&&n.lines.length>50){for(var o=n.lines.length%25+25,a=o;a<n.lines.length;){var l=new ps(n.lines.slice(a,a+=25));n.height-=l.height,this.children.splice(++i,0,l),l.parent=this}n.lines=n.lines.slice(0,o),this.maybeSpill()}break}t-=s}},maybeSpill:function(){if(!(this.children.length<=10)){var t=this;do{var e=t.children.splice(t.children.length-5,5),r=new gs(e);if(t.parent){t.size-=r.size,t.height-=r.height;var i=W(t.parent.children,t);t.parent.children.splice(i+1,0,r)}else{var n=new gs(t.children);n.parent=t,t.children=[n,r],t=n}r.parent=t.parent}while(t.children.length>10);t.parent.maybeSpill()}},iterN:function(t,e,r){for(var i=0;i<this.children.length;++i){var n=this.children[i],s=n.chunkSize();if(t<s){var o=Math.min(e,s-t);if(n.iterN(t,o,r))return!0;if(0==(e-=o))break;t=0}else t-=s}}};var ms=function(t,e,r){if(r)for(var i in r)r.hasOwnProperty(i)&&(this[i]=r[i]);this.doc=t,this.node=e};function vs(t,e,r){jt(e)<(t.curOp&&t.curOp.scrollTop||t.doc.scrollTop)&&Si(t,r)}ms.prototype.clear=function(){var t=this.doc.cm,e=this.line.widgets,r=this.line,i=ut(r);if(null!=i&&e){for(var n=0;n<e.length;++n)e[n]==this&&e.splice(n--,1);e.length||(r.widgets=null);var s=br(this);ht(r,Math.max(0,r.height-s)),t&&(ji(t,function(){vs(t,r,-s),Zi(t,i,"widget")}),or(t,"lineWidgetCleared",t,this,i))}},ms.prototype.changed=function(){var t=this,e=this.height,r=this.doc.cm,i=this.line;this.height=null;var n=br(this)-e;n&&(_t(this.doc,i)||ht(i,i.height+n),r&&ji(r,function(){r.curOp.forceUpdate=!0,vs(r,i,n),or(r,"lineWidgetChanged",r,t,ut(i))}))},ae(ms);var ys=0,bs=function(t,e){this.lines=[],this.type=e,this.doc=t,this.id=++ys};function xs(t,e,r,i,n){if(i&&i.shared)return function(t,e,r,i,n){(i=B(i)).shared=!1;var s=[xs(t,e,r,i,n)],o=s[0],a=i.widgetNode;return Ln(t,function(t){a&&(i.widgetNode=a.cloneNode(!0)),s.push(xs(t,kt(t,e),kt(t,r),i,n));for(var l=0;l<t.linked.length;++l)if(t.linked[l].isParent)return;o=Y(s)}),new ws(s,o)}(t,e,r,i,n);if(t.cm&&!t.cm.curOp)return Ki(t.cm,xs)(t,e,r,i,n);var s=new bs(t,n),o=mt(e,r);if(i&&B(i,s,!1),o>0||0==o&&!1!==s.clearWhenEmpty)return s;if(s.replacedWith&&(s.collapsed=!0,s.widgetNode=N("span",[s.replacedWith],"CodeMirror-widget"),i.handleMouseEvents||s.widgetNode.setAttribute("cm-ignore-events","true"),i.insertLeft&&(s.widgetNode.insertLeft=!0)),s.collapsed){if(Wt(t,e.line,e,r,s)||e.line!=r.line&&Wt(t,r.line,e,r,s))throw new Error("Inserting collapsed marker partially overlapping an existing one");Tt=!0}s.addToHistory&&Pn(t,{from:e,to:r,origin:"markText"},t.sel,NaN);var a,l=e.line,c=t.cm;if(t.iter(l,r.line+1,function(t){c&&s.collapsed&&!c.options.lineWrapping&&Ht(t)==c.display.maxLine&&(a=!0),s.collapsed&&l!=e.line&&ht(t,0),function(t,e){t.markedSpans=t.markedSpans?t.markedSpans.concat([e]):[e],e.marker.attachLine(t)}(t,new Ct(s,l==e.line?e.ch:null,l==r.line?r.ch:null)),++l}),s.collapsed&&t.iter(e.line,r.line+1,function(e){_t(t,e)&&ht(e,0)}),s.clearOnEnter&&te(s,"beforeCursorEnter",function(){return s.clear()}),s.readOnly&&(Et=!0,(t.history.done.length||t.history.undone.length)&&t.clearHistory()),s.collapsed&&(s.id=++ys,s.atomic=!0),c){if(a&&(c.curOp.updateMaxLine=!0),s.collapsed)Ji(c,e.line,r.line+1);else if(s.className||s.title||s.startStyle||s.endStyle||s.css)for(var h=e.line;h<=r.line;h++)Zi(c,h,"text");s.atomic&&Zn(c.doc),or(c,"markerAdded",c,s)}return s}bs.prototype.clear=function(){if(!this.explicitlyCleared){var t=this.doc.cm,e=t&&!t.curOp;if(e&&Ui(t),oe(this,"clear")){var r=this.find();r&&or(this,"clear",r.from,r.to)}for(var i=null,n=null,s=0;s<this.lines.length;++s){var o=this.lines[s],a=It(o.markedSpans,this);t&&!this.collapsed?Zi(t,ut(o),"text"):t&&(null!=a.to&&(n=ut(o)),null!=a.from&&(i=ut(o))),o.markedSpans=Ot(o.markedSpans,a),null==a.from&&this.collapsed&&!_t(this.doc,o)&&t&&ht(o,$r(t.display))}if(t&&this.collapsed&&!t.options.lineWrapping)for(var l=0;l<this.lines.length;++l){var c=Ht(this.lines[l]),h=Kt(c);h>t.display.maxLineLength&&(t.display.maxLine=c,t.display.maxLineLength=h,t.display.maxLineChanged=!0)}null!=i&&t&&this.collapsed&&Ji(t,i,n+1),this.lines.length=0,this.explicitlyCleared=!0,this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=!1,t&&Zn(t.doc)),t&&or(t,"markerCleared",t,this,i,n),e&&Wi(t),this.parent&&this.parent.clear()}},bs.prototype.find=function(t,e){var r,i;null==t&&"bookmark"==this.type&&(t=1);for(var n=0;n<this.lines.length;++n){var s=this.lines[n],o=It(s.markedSpans,this);if(null!=o.from&&(r=gt(e?s:ut(s),o.from),-1==t))return r;if(null!=o.to&&(i=gt(e?s:ut(s),o.to),1==t))return i}return r&&{from:r,to:i}},bs.prototype.changed=function(){var t=this,e=this.find(-1,!0),r=this,i=this.doc.cm;e&&i&&ji(i,function(){var n=e.line,s=ut(e.line),o=Lr(i,s);if(o&&(Vr(o),i.curOp.selectionChanged=i.curOp.forceUpdate=!0),i.curOp.updateMaxLine=!0,!_t(r.doc,n)&&null!=r.height){var a=r.height;r.height=null;var l=br(r)-a;l&&ht(n,n.height+l)}or(i,"markerChanged",i,t)})},bs.prototype.attachLine=function(t){if(!this.lines.length&&this.doc.cm){var e=this.doc.cm.curOp;e.maybeHiddenMarkers&&-1!=W(e.maybeHiddenMarkers,this)||(e.maybeUnhiddenMarkers||(e.maybeUnhiddenMarkers=[])).push(this)}this.lines.push(t)},bs.prototype.detachLine=function(t){if(this.lines.splice(W(this.lines,t),1),!this.lines.length&&this.doc.cm){var e=this.doc.cm.curOp;(e.maybeHiddenMarkers||(e.maybeHiddenMarkers=[])).push(this)}},ae(bs);var ws=function(t,e){this.markers=t,this.primary=e;for(var r=0;r<t.length;++r)t[r].parent=this};function ks(t){return t.findMarks(gt(t.first,0),t.clipPos(gt(t.lastLine())),function(t){return t.parent})}function Ss(t){for(var e=function(e){var r=t[e],i=[r.primary.doc];Ln(r.primary.doc,function(t){return i.push(t)});for(var n=0;n<r.markers.length;n++){var s=r.markers[n];-1==W(i,s.doc)&&(s.parent=null,r.markers.splice(n--,1))}},r=0;r<t.length;r++)e(r)}ws.prototype.clear=function(){if(!this.explicitlyCleared){this.explicitlyCleared=!0;for(var t=0;t<this.markers.length;++t)this.markers[t].clear();or(this,"clear")}},ws.prototype.find=function(t,e){return this.primary.find(t,e)},ae(ws);var Es=0,Ts=function(t,e,r,i,n){if(!(this instanceof Ts))return new Ts(t,e,r,i,n);null==r&&(r=0),gs.call(this,[new ps([new Xe("",null)])]),this.first=r,this.scrollTop=this.scrollLeft=0,this.cantEdit=!1,this.cleanGeneration=1,this.modeFrontier=this.highlightFrontier=r;var s=gt(r,0);this.sel=xn(s),this.history=new Dn(null),this.id=++Es,this.modeOption=e,this.lineSep=i,this.direction="rtl"==n?"rtl":"ltr",this.extend=!1,"string"==typeof t&&(t=this.splitLines(t)),On(this,{from:s,to:s,text:t}),qn(this,xn(s),z)};Ts.prototype=Q(gs.prototype,{constructor:Ts,iter:function(t,e,r){r?this.iterN(t-this.first,e-t,r):this.iterN(this.first,this.first+this.size,t)},insert:function(t,e){for(var r=0,i=0;i<e.length;++i)r+=e[i].height;this.insertInner(t-this.first,e,r)},remove:function(t,e){this.removeInner(t-this.first,e)},getValue:function(t){var e=ct(this,this.first,this.first+this.size);return!1===t?e:e.join(t||this.lineSeparator())},setValue:Yi(function(t){var e=gt(this.first,0),r=this.first+this.size-1;ns(this,{from:e,to:gt(r,at(this,r).text.length),text:this.splitLines(t),origin:"setValue",full:!0},!0),this.cm&&Ti(this.cm,0,0),qn(this,xn(e),z)}),replaceRange:function(t,e,r,i){e=kt(this,e),r=r?kt(this,r):e,cs(this,t,e,r,i)},getRange:function(t,e,r){var i=lt(this,kt(this,t),kt(this,e));return!1===r?i:i.join(r||this.lineSeparator())},getLine:function(t){var e=this.getLineHandle(t);return e&&e.text},getLineHandle:function(t){if(dt(this,t))return at(this,t)},getLineNumber:function(t){return ut(t)},getLineHandleVisualStart:function(t){return"number"==typeof t&&(t=at(this,t)),Ht(t)},lineCount:function(){return this.size},firstLine:function(){return this.first},lastLine:function(){return this.first+this.size-1},clipPos:function(t){return kt(this,t)},getCursor:function(t){var e=this.sel.primary();return null==t||"head"==t?e.head:"anchor"==t?e.anchor:"end"==t||"to"==t||!1===t?e.to():e.from()},listSelections:function(){return this.sel.ranges},somethingSelected:function(){return this.sel.somethingSelected()},setCursor:Yi(function(t,e,r){jn(this,kt(this,"number"==typeof t?gt(t,e||0):t),null,r)}),setSelection:Yi(function(t,e,r){jn(this,kt(this,t),kt(this,e||t),r)}),extendSelection:Yi(function(t,e,r){zn(this,kt(this,t),e&&kt(this,e),r)}),extendSelections:Yi(function(t,e){_n(this,St(this,t),e)}),extendSelectionsBy:Yi(function(t,e){var r=J(this.sel.ranges,t);_n(this,St(this,r),e)}),setSelections:Yi(function(t,e,r){if(t.length){for(var i=[],n=0;n<t.length;n++)i[n]=new yn(kt(this,t[n].anchor),kt(this,t[n].head));null==e&&(e=Math.min(t.length-1,this.sel.primIndex)),qn(this,bn(i,e),r)}}),addSelection:Yi(function(t,e,r){var i=this.sel.ranges.slice(0);i.push(new yn(kt(this,t),kt(this,e||t))),qn(this,bn(i,i.length-1),r)}),getSelection:function(t){for(var e,r=this.sel.ranges,i=0;i<r.length;i++){var n=lt(this,r[i].from(),r[i].to());e=e?e.concat(n):n}return!1===t?e:e.join(t||this.lineSeparator())},getSelections:function(t){for(var e=[],r=this.sel.ranges,i=0;i<r.length;i++){var n=lt(this,r[i].from(),r[i].to());!1!==t&&(n=n.join(t||this.lineSeparator())),e[i]=n}return e},replaceSelection:function(t,e,r){for(var i=[],n=0;n<this.sel.ranges.length;n++)i[n]=t;this.replaceSelections(i,e,r||"+input")},replaceSelections:Yi(function(t,e,r){for(var i=[],n=this.sel,s=0;s<n.ranges.length;s++){var o=n.ranges[s];i[s]={from:o.from(),to:o.to(),text:this.splitLines(t[s]),origin:r}}for(var a=e&&"end"!=e&&function(t,e,r){for(var i=[],n=gt(t.first,0),s=n,o=0;o<e.length;o++){var a=e[o],l=En(a.from,n,s),c=En(wn(a),n,s);if(n=a.to,s=c,"around"==r){var h=t.sel.ranges[o],u=mt(h.head,h.anchor)<0;i[o]=new yn(u?c:l,u?l:c)}else i[o]=new yn(l,l)}return new vn(i,t.sel.primIndex)}(this,i,e),l=i.length-1;l>=0;l--)ns(this,i[l]);a?Kn(this,a):this.cm&&Ei(this.cm)}),undo:Yi(function(){os(this,"undo")}),redo:Yi(function(){os(this,"redo")}),undoSelection:Yi(function(){os(this,"undo",!0)}),redoSelection:Yi(function(){os(this,"redo",!0)}),setExtending:function(t){this.extend=t},getExtending:function(){return this.extend},historySize:function(){for(var t=this.history,e=0,r=0,i=0;i<t.done.length;i++)t.done[i].ranges||++e;for(var n=0;n<t.undone.length;n++)t.undone[n].ranges||++r;return{undo:e,redo:r}},clearHistory:function(){this.history=new Dn(this.history.maxGeneration)},markClean:function(){this.cleanGeneration=this.changeGeneration(!0)},changeGeneration:function(t){return t&&(this.history.lastOp=this.history.lastSelOp=this.history.lastOrigin=null),this.history.generation},isClean:function(t){return this.history.generation==(t||this.cleanGeneration)},getHistory:function(){return{done:Hn(this.history.done),undone:Hn(this.history.undone)}},setHistory:function(t){var e=this.history=new Dn(this.history.maxGeneration);e.done=Hn(t.done.slice(0),null,!0),e.undone=Hn(t.undone.slice(0),null,!0)},setGutterMarker:Yi(function(t,e,r){return ds(this,t,"gutter",function(t){var i=t.gutterMarkers||(t.gutterMarkers={});return i[e]=r,!r&&rt(i)&&(t.gutterMarkers=null),!0})}),clearGutter:Yi(function(t){var e=this;this.iter(function(r){r.gutterMarkers&&r.gutterMarkers[t]&&ds(e,r,"gutter",function(){return r.gutterMarkers[t]=null,rt(r.gutterMarkers)&&(r.gutterMarkers=null),!0})})}),lineInfo:function(t){var e;if("number"==typeof t){if(!dt(this,t))return null;if(e=t,!(t=at(this,t)))return null}else if(null==(e=ut(t)))return null;return{line:e,handle:t,text:t.text,gutterMarkers:t.gutterMarkers,textClass:t.textClass,bgClass:t.bgClass,wrapClass:t.wrapClass,widgets:t.widgets}},addLineClass:Yi(function(t,e,r){return ds(this,t,"gutter"==e?"gutter":"class",function(t){var i="text"==e?"textClass":"background"==e?"bgClass":"gutter"==e?"gutterClass":"wrapClass";if(t[i]){if(E(r).test(t[i]))return!1;t[i]+=" "+r}else t[i]=r;return!0})}),removeLineClass:Yi(function(t,e,r){return ds(this,t,"gutter"==e?"gutter":"class",function(t){var i="text"==e?"textClass":"background"==e?"bgClass":"gutter"==e?"gutterClass":"wrapClass",n=t[i];if(!n)return!1;if(null==r)t[i]=null;else{var s=n.match(E(r));if(!s)return!1;var o=s.index+s[0].length;t[i]=n.slice(0,s.index)+(s.index&&o!=n.length?" 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Ts(ct(this,this.first,this.first+this.size),this.modeOption,this.first,this.lineSep,this.direction);return e.scrollTop=this.scrollTop,e.scrollLeft=this.scrollLeft,e.sel=this.sel,e.extend=!1,t&&(e.history.undoDepth=this.history.undoDepth,e.setHistory(this.getHistory())),e},linkedDoc:function(t){t||(t={});var e=this.first,r=this.first+this.size;null!=t.from&&t.from>e&&(e=t.from),null!=t.to&&t.to<r&&(r=t.to);var i=new Ts(ct(this,e,r),t.mode||this.modeOption,e,this.lineSep,this.direction);return t.sharedHist&&(i.history=this.history),(this.linked||(this.linked=[])).push({doc:i,sharedHist:t.sharedHist}),i.linked=[{doc:this,isParent:!0,sharedHist:t.sharedHist}],function(t,e){for(var r=0;r<e.length;r++){var i=e[r],n=i.find(),s=t.clipPos(n.from),o=t.clipPos(n.to);if(mt(s,o)){var a=xs(t,s,o,i.primary,i.primary.type);i.markers.push(a),a.parent=i}}}(i,ks(this)),i},unlinkDoc:function(t){if(t instanceof So&&(t=t.doc),this.linked)for(var e=0;e<this.linked.length;++e){var r=this.linked[e];if(r.doc==t){this.linked.splice(e,1),t.unlinkDoc(this),Ss(ks(this));break}}if(t.history==this.history){var i=[t.id];Ln(t,function(t){return i.push(t.id)},!0),t.history=new Dn(null),t.history.done=Hn(this.history.done,i),t.history.undone=Hn(this.history.undone,i)}},iterLinkedDocs:function(t){Ln(this,t)},getMode:function(){return this.mode},getEditor:function(){return this.cm},splitLines:function(t){return this.lineSep?t.split(this.lineSep):be(t)},lineSeparator:function(){return this.lineSep||"\n"},setDirection:Yi(function(t){"rtl"!=t&&(t="ltr"),t!=this.direction&&(this.direction=t,this.iter(function(t){return t.order=null}),this.cm&&function(t){ji(t,function(){An(t),Ji(t)})}(this.cm))})}),Ts.prototype.eachLine=Ts.prototype.iter;var Cs=0;function Is(t){var e=this;if(Os(e),!ne(e,t)&&!xr(e.display,t)){le(t),o&&(Cs=+new Date);var r=si(e,t,!0),i=t.dataTransfer.files;if(r&&!e.isReadOnly())if(i&&i.length&&window.FileReader&&window.File)for(var 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Rs={3:"Pause",8:"Backspace",9:"Tab",13:"Enter",16:"Shift",17:"Ctrl",18:"Alt",19:"Pause",20:"CapsLock",27:"Esc",32:"Space",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"Left",38:"Up",39:"Right",40:"Down",44:"PrintScrn",45:"Insert",46:"Delete",59:";",61:"=",91:"Mod",92:"Mod",93:"Mod",106:"*",107:"=",109:"-",110:".",111:"/",127:"Delete",145:"ScrollLock",173:"-",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",63232:"Up",63233:"Down",63234:"Left",63235:"Right",63272:"Delete",63273:"Home",63275:"End",63276:"PageUp",63277:"PageDown",63302:"Insert"},Ms=0;Ms<10;Ms++)Rs[Ms+48]=Rs[Ms+96]=String(Ms);for(var Ps=65;Ps<=90;Ps++)Rs[Ps]=String.fromCharCode(Ps);for(var Vs=1;Vs<=12;Vs++)Rs[Vs+111]=Rs[Vs+63235]="F"+Vs;var Bs={};function Fs(t){var e,r,i,n,s=t.split(/-(?!$)/);t=s[s.length-1];for(var o=0;o<s.length-1;o++){var a=s[o];if(/^(cmd|meta|m)$/i.test(a))n=!0;else if(/^a(lt)?$/i.test(a))e=!0;else 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gt(i,n<0?r.text.length:0,n<0?"before":"after")}Bs.basic={Left:"goCharLeft",Right:"goCharRight",Up:"goLineUp",Down:"goLineDown",End:"goLineEnd",Home:"goLineStartSmart",PageUp:"goPageUp",PageDown:"goPageDown",Delete:"delCharAfter",Backspace:"delCharBefore","Shift-Backspace":"delCharBefore",Tab:"defaultTab","Shift-Tab":"indentAuto",Enter:"newlineAndIndent",Insert:"toggleOverwrite",Esc:"singleSelection"},Bs.pcDefault={"Ctrl-A":"selectAll","Ctrl-D":"deleteLine","Ctrl-Z":"undo","Shift-Ctrl-Z":"redo","Ctrl-Y":"redo","Ctrl-Home":"goDocStart","Ctrl-End":"goDocEnd","Ctrl-Up":"goLineUp","Ctrl-Down":"goLineDown","Ctrl-Left":"goGroupLeft","Ctrl-Right":"goGroupRight","Alt-Left":"goLineStart","Alt-Right":"goLineEnd","Ctrl-Backspace":"delGroupBefore","Ctrl-Delete":"delGroupAfter","Ctrl-S":"save","Ctrl-F":"find","Ctrl-G":"findNext","Shift-Ctrl-G":"findPrev","Shift-Ctrl-F":"replace","Shift-Ctrl-R":"replaceAll","Ctrl-[":"indentLess","Ctrl-]":"indentMore","Ctrl-U":"undoSelection","Shift-Ctrl-U":"redoSelection","Alt-U":"redoSelection",fallthrough:"basic"},Bs.emacsy={"Ctrl-F":"goCharRight","Ctrl-B":"goCharLeft","Ctrl-P":"goLineUp","Ctrl-N":"goLineDown","Alt-F":"goWordRight","Alt-B":"goWordLeft","Ctrl-A":"goLineStart","Ctrl-E":"goLineEnd","Ctrl-V":"goPageDown","Shift-Ctrl-V":"goPageUp","Ctrl-D":"delCharAfter","Ctrl-H":"delCharBefore","Alt-D":"delWordAfter","Alt-Backspace":"delWordBefore","Ctrl-K":"killLine","Ctrl-T":"transposeChars","Ctrl-O":"openLine"},Bs.macDefault={"Cmd-A":"selectAll","Cmd-D":"deleteLine","Cmd-Z":"undo","Shift-Cmd-Z":"redo","Cmd-Y":"redo","Cmd-Home":"goDocStart","Cmd-Up":"goDocStart","Cmd-End":"goDocEnd","Cmd-Down":"goDocEnd","Alt-Left":"goGroupLeft","Alt-Right":"goGroupRight","Cmd-Left":"goLineLeft","Cmd-Right":"goLineRight","Alt-Backspace":"delGroupBefore","Ctrl-Alt-Backspace":"delGroupAfter","Alt-Delete":"delGroupAfter","Cmd-S":"save","Cmd-F":"find","Cmd-G":"findNext","Shift-Cmd-G":"findPrev","Cmd-Alt-F":"replace","Shift-Cmd-Alt-F":"replaceAll","Cmd-[":"indentLess","Cmd-]":"indentMore","Cmd-Backspace":"delWrappedLineLeft","Cmd-Delete":"delWrappedLineRight","Cmd-U":"undoSelection","Shift-Cmd-U":"redoSelection","Ctrl-Up":"goDocStart","Ctrl-Down":"goDocEnd",fallthrough:["basic","emacsy"]},Bs.default=y?Bs.macDefault:Bs.pcDefault;var Ys={selectAll:rs,singleSelection:function(t){return t.setSelection(t.getCursor("anchor"),t.getCursor("head"),z)},killLine:function(t){return Xs(t,function(e){if(e.empty()){var r=at(t.doc,e.head.line).text.length;return e.head.ch==r&&e.head.line<t.lastLine()?{from:e.head,to:gt(e.head.line+1,0)}:{from:e.head,to:gt(e.head.line,r)}}return{from:e.from(),to:e.to()}})},deleteLine:function(t){return Xs(t,function(e){return{from:gt(e.from().line,0),to:kt(t.doc,gt(e.to().line+1,0))}})},delLineLeft:function(t){return Xs(t,function(t){return{from:gt(t.from().line,0),to:t.from()}})},delWrappedLineLeft:function(t){return Xs(t,function(e){var r=t.charCoords(e.head,"div").top+5,i=t.coordsChar({left:0,top:r},"div");return{from:i,to:e.from()}})},delWrappedLineRight:function(t){return Xs(t,function(e){var r=t.charCoords(e.head,"div").top+5,i=t.coordsChar({left:t.display.lineDiv.offsetWidth+100,top:r},"div");return{from:e.from(),to:i}})},undo:function(t){return t.undo()},redo:function(t){return t.redo()},undoSelection:function(t){return t.undoSelection()},redoSelection:function(t){return t.redoSelection()},goDocStart:function(t){return t.extendSelection(gt(t.firstLine(),0))},goDocEnd:function(t){return t.extendSelection(gt(t.lastLine()))},goLineStart:function(t){return t.extendSelectionsBy(function(e){return Js(t,e.head.line)},{origin:"+move",bias:1})},goLineStartSmart:function(t){return t.extendSelectionsBy(function(e){return Zs(t,e.head)},{origin:"+move",bias:1})},goLineEnd:function(t){return t.extendSelectionsBy(function(e){return function(t,e){var r=at(t.doc,e),i=function(t){for(var e;e=Ft(t);)t=e.find(1,!0).line;return t}(r);return i!=r&&(e=ut(i)),qs(!0,t,r,e,-1)}(t,e.head.line)},{origin:"+move",bias:-1})},goLineRight:function(t){return t.extendSelectionsBy(function(e){var r=t.cursorCoords(e.head,"div").top+5;return t.coordsChar({left:t.display.lineDiv.offsetWidth+100,top:r},"div")},X)},goLineLeft:function(t){return t.extendSelectionsBy(function(e){var r=t.cursorCoords(e.head,"div").top+5;return t.coordsChar({left:0,top:r},"div")},X)},goLineLeftSmart:function(t){return t.extendSelectionsBy(function(e){var r=t.cursorCoords(e.head,"div").top+5,i=t.coordsChar({left:0,top:r},"div");return i.ch<t.getLine(i.line).search(/\S/)?Zs(t,e.head):i},X)},goLineUp:function(t){return t.moveV(-1,"line")},goLineDown:function(t){return t.moveV(1,"line")},goPageUp:function(t){return t.moveV(-1,"page")},goPageDown:function(t){return t.moveV(1,"page")},goCharLeft:function(t){return t.moveH(-1,"char")},goCharRight:function(t){return t.moveH(1,"char")},goColumnLeft:function(t){return t.moveH(-1,"column")},goColumnRight:function(t){return t.moveH(1,"column")},goWordLeft:function(t){return t.moveH(-1,"word")},goGroupRight:function(t){return t.moveH(1,"group")},goGroupLeft:function(t){return t.moveH(-1,"group")},goWordRight:function(t){return t.moveH(1,"word")},delCharBefore:function(t){return t.deleteH(-1,"char")},delCharAfter:function(t){return t.deleteH(1,"char")},delWordBefore:function(t){return t.deleteH(-1,"word")},delWordAfter:function(t){return t.deleteH(1,"word")},delGroupBefore:function(t){return t.deleteH(-1,"group")},delGroupAfter:function(t){return t.deleteH(1,"group")},indentAuto:function(t){return t.indentSelection("smart")},indentMore:function(t){return t.indentSelection("add")},indentLess:function(t){return t.indentSelection("subtract")},insertTab:function(t){return t.replaceSelection("\t")},insertSoftTab:function(t){for(var e=[],r=t.listSelections(),i=t.options.tabSize,n=0;n<r.length;n++){var s=r[n].from(),o=F(t.getLine(s.line),s.ch,i);e.push(q(i-o%i))}t.replaceSelections(e)},defaultTab:function(t){t.somethingSelected()?t.indentSelection("add"):t.execCommand("insertTab")},transposeChars:function(t){return ji(t,function(){for(var e=t.listSelections(),r=[],i=0;i<e.length;i++)if(e[i].empty()){var n=e[i].head,s=at(t.doc,n.line).text;if(s)if(n.ch==s.length&&(n=new gt(n.line,n.ch-1)),n.ch>0)n=new gt(n.line,n.ch+1),t.replaceRange(s.charAt(n.ch-1)+s.charAt(n.ch-2),gt(n.line,n.ch-2),n,"+transpose");else if(n.line>t.doc.first){var o=at(t.doc,n.line-1).text;o&&(n=new gt(n.line,1),t.replaceRange(s.charAt(0)+t.doc.lineSeparator()+o.charAt(o.length-1),gt(n.line-1,o.length-1),n,"+transpose"))}r.push(new yn(n,n))}t.setSelections(r)})},newlineAndIndent:function(t){return ji(t,function(){for(var e=t.listSelections(),r=e.length-1;r>=0;r--)t.replaceRange(t.doc.lineSeparator(),e[r].anchor,e[r].head,"+input");e=t.listSelections();for(var i=0;i<e.length;i++)t.indentLine(e[i].from().line,null,!0);Ei(t)})},openLine:function(t){return t.replaceSelection("\n","start")},toggleOverwrite:function(t){return t.toggleOverwrite()}};function Js(t,e){var r=at(t.doc,e),i=Ht(r);return i!=r&&(e=ut(i)),qs(!0,t,i,e,1)}function Zs(t,e){var r=Js(t,e.line),i=at(t.doc,r.line),n=Qt(i,t.doc.direction);if(!n||0==n[0].level){var s=Math.max(0,i.text.search(/\S/)),o=e.line==r.line&&e.ch<=s&&e.ch;return gt(r.line,o?0:s,r.sticky)}return r}function Qs(t,e,r){if("string"==typeof e&&!(e=Ys[e]))return!1;t.display.input.ensurePolled();var i=t.display.shift,n=!1;try{t.isReadOnly()&&(t.state.suppressEdits=!0),r&&(t.display.shift=!1),n=e(t)!=G}finally{t.display.shift=i,t.state.suppressEdits=!1}return n}var $s=new U;function to(t,e,r,i){var n=t.state.keySeq;if(n){if(Hs(e))return"handled";if(/\'$/.test(e)?t.state.keySeq=null:$s.set(50,function(){t.state.keySeq==n&&(t.state.keySeq=null,t.display.input.reset())}),eo(t,n+" "+e,r,i))return!0}return eo(t,e,r,i)}function eo(t,e,r,i){var n=function(t,e,r){for(var i=0;i<t.state.keyMaps.length;i++){var n=Ws(e,t.state.keyMaps[i],r,t);if(n)return n}return t.options.extraKeys&&Ws(e,t.options.extraKeys,r,t)||Ws(e,t.options.keyMap,r,t)}(t,e,i);return"multi"==n&&(t.state.keySeq=e),"handled"==n&&or(t,"keyHandled",t,e,r),"handled"!=n&&"multi"!=n||(le(r),fi(t)),!!n}function ro(t,e){var r=zs(e,!0);return!!r&&(e.shiftKey&&!t.state.keySeq?to(t,"Shift-"+r,e,function(e){return Qs(t,e,!0)})||to(t,r,e,function(e){if("string"==typeof e?/^go[A-Z]/.test(e):e.motion)return Qs(t,e)}):to(t,r,e,function(e){return Qs(t,e)}))}var io=null;function no(t){var e=this;if(e.curOp.focus=D(),!ne(e,t)){o&&a<11&&27==t.keyCode&&(t.returnValue=!1);var r=t.keyCode;e.display.shift=16==r||t.shiftKey;var i=ro(e,t);u&&(io=i?r:null,!i&&88==r&&!we&&(y?t.metaKey:t.ctrlKey)&&e.replaceSelection("",null,"cut")),18!=r||/\bCodeMirror-crosshair\b/.test(e.display.lineDiv.className)||function(t){var e=t.display.lineDiv;function r(t){18!=t.keyCode&&t.altKey||(C(e,"CodeMirror-crosshair"),re(document,"keyup",r),re(document,"mouseover",r))}R(e,"CodeMirror-crosshair"),te(document,"keyup",r),te(document,"mouseover",r)}(e)}}function so(t){16==t.keyCode&&(this.doc.sel.shift=!1),ne(this,t)}function oo(t){var e=this;if(!(xr(e.display,t)||ne(e,t)||t.ctrlKey&&!t.altKey||y&&t.metaKey)){var r=t.keyCode,i=t.charCode;if(u&&r==io)return io=null,void le(t);if(!u||t.which&&!(t.which<10)||!ro(e,t)){var n=String.fromCharCode(null==i?r:i);"\b"!=n&&(function(t,e,r){return to(t,"'"+r+"'",e,function(e){return Qs(t,e,!0)})}(e,t,n)||e.display.input.onKeyPress(t))}}}var ao,lo,co=function(t,e,r){this.time=t,this.pos=e,this.button=r};function ho(t){var e=this,r=e.display;if(!(ne(e,t)||r.activeTouch&&r.input.supportsTouch()))if(r.input.ensurePolled(),r.shift=t.shiftKey,xr(r,t))l||(r.scroller.draggable=!1,setTimeout(function(){return r.scroller.draggable=!0},100));else if(!po(e,t)){var i=si(e,t),n=de(t),s=i?function(t,e){var r=+new Date;return lo&&lo.compare(r,t,e)?(ao=lo=null,"triple"):ao&&ao.compare(r,t,e)?(lo=new co(r,t,e),ao=null,"double"):(ao=new co(r,t,e),lo=null,"single")}(i,n):"single";window.focus(),1==n&&e.state.selectingText&&e.state.selectingText(t),i&&function(t,e,r,i,n){var s="Click";return"double"==i?s="Double"+s:"triple"==i&&(s="Triple"+s),to(t,Gs(s=(1==e?"Left":2==e?"Middle":"Right")+s,n),n,function(e){if("string"==typeof e&&(e=Ys[e]),!e)return!1;var i=!1;try{t.isReadOnly()&&(t.state.suppressEdits=!0),i=e(t,r)!=G}finally{t.state.suppressEdits=!1}return i})}(e,n,i,s,t)||(1==n?i?function(t,e,r,i){o?setTimeout(V(di,t),0):t.curOp.focus=D();var n,s=function(t,e,r){var i=t.getOption("configureMouse"),n=i?i(t,e,r):{};if(null==n.unit){var s=b?r.shiftKey&&r.metaKey:r.altKey;n.unit=s?"rectangle":"single"==e?"char":"double"==e?"word":"line"}return(null==n.extend||t.doc.extend)&&(n.extend=t.doc.extend||r.shiftKey),null==n.addNew&&(n.addNew=y?r.metaKey:r.ctrlKey),null==n.moveOnDrag&&(n.moveOnDrag=!(y?r.altKey:r.ctrlKey)),n}(t,r,i),c=t.doc.sel;t.options.dragDrop&&me&&!t.isReadOnly()&&"single"==r&&(n=c.contains(e))>-1&&(mt((n=c.ranges[n]).from(),e)<0||e.xRel>0)&&(mt(n.to(),e)>0||e.xRel<0)?function(t,e,r,i){var n=t.display,s=!1,c=Ki(t,function(e){l&&(n.scroller.draggable=!1),t.state.draggingText=!1,re(n.wrapper.ownerDocument,"mouseup",c),re(n.wrapper.ownerDocument,"mousemove",h),re(n.scroller,"dragstart",u),re(n.scroller,"drop",c),s||(le(e),i.addNew||zn(t.doc,r,null,null,i.extend),l||o&&9==a?setTimeout(function(){n.wrapper.ownerDocument.body.focus(),n.input.focus()},20):n.input.focus())}),h=function(t){s=s||Math.abs(e.clientX-t.clientX)+Math.abs(e.clientY-t.clientY)>=10},u=function(){return s=!0};l&&(n.scroller.draggable=!0),t.state.draggingText=c,c.copy=!i.moveOnDrag,n.scroller.dragDrop&&n.scroller.dragDrop(),te(n.wrapper.ownerDocument,"mouseup",c),te(n.wrapper.ownerDocument,"mousemove",h),te(n.scroller,"dragstart",u),te(n.scroller,"drop",c),pi(t),setTimeout(function(){return n.input.focus()},20)}(t,i,e,s):function(t,e,r,i){var n=t.display,s=t.doc;le(e);var o,a,l=s.sel,c=l.ranges;if(i.addNew&&!i.extend?(a=s.sel.contains(r),o=a>-1?c[a]:new yn(r,r)):(o=s.sel.primary(),a=s.sel.primIndex),"rectangle"==i.unit)i.addNew||(o=new yn(r,r)),r=si(t,e,!0,!0),a=-1;else{var h=uo(t,r,i.unit);o=i.extend?Gn(o,h.anchor,h.head,i.extend):h}i.addNew?-1==a?(a=c.length,qn(s,bn(c.concat([o]),a),{scroll:!1,origin:"*mouse"})):c.length>1&&c[a].empty()&&"char"==i.unit&&!i.extend?(qn(s,bn(c.slice(0,a).concat(c.slice(a+1)),0),{scroll:!1,origin:"*mouse"}),l=s.sel):Xn(s,a,o,_):(a=0,qn(s,new vn([o],0),_),l=s.sel);var u=r;function f(e){if(0!=mt(u,e))if(u=e,"rectangle"==i.unit){for(var n=[],c=t.options.tabSize,h=F(at(s,r.line).text,r.ch,c),f=F(at(s,e.line).text,e.ch,c),d=Math.min(h,f),p=Math.max(h,f),g=Math.min(r.line,e.line),m=Math.min(t.lastLine(),Math.max(r.line,e.line));g<=m;g++){var v=at(s,g).text,y=j(v,d,c);d==p?n.push(new yn(gt(g,y),gt(g,y))):v.length>y&&n.push(new yn(gt(g,y),gt(g,j(v,p,c))))}n.length||n.push(new yn(r,r)),qn(s,bn(l.ranges.slice(0,a).concat(n),a),{origin:"*mouse",scroll:!1}),t.scrollIntoView(e)}else{var b,x=o,w=uo(t,e,i.unit),k=x.anchor;mt(w.anchor,k)>0?(b=w.head,k=xt(x.from(),w.anchor)):(b=w.anchor,k=bt(x.to(),w.head));var S=l.ranges.slice(0);S[a]=function(t,e){var r=e.anchor,i=e.head,n=at(t.doc,r.line);if(0==mt(r,i)&&r.sticky==i.sticky)return e;var s=Qt(n);if(!s)return e;var o=Jt(s,r.ch,r.sticky),a=s[o];if(a.from!=r.ch&&a.to!=r.ch)return e;var l,c=o+(a.from==r.ch==(1!=a.level)?0:1);if(0==c||c==s.length)return e;if(i.line!=r.line)l=(i.line-r.line)*("ltr"==t.doc.direction?1:-1)>0;else{var h=Jt(s,i.ch,i.sticky),u=h-o||(i.ch-r.ch)*(1==a.level?-1:1);l=h==c-1||h==c?u<0:u>0}var f=s[c+(l?-1:0)],d=l==(1==f.level),p=d?f.from:f.to,g=d?"after":"before";return r.ch==p&&r.sticky==g?e:new yn(new gt(r.line,p,g),i)}(t,new yn(kt(s,k),b)),qn(s,bn(S,a),_)}}var d=n.wrapper.getBoundingClientRect(),p=0;function g(e){t.state.selectingText=!1,p=1/0,le(e),n.input.focus(),re(n.wrapper.ownerDocument,"mousemove",m),re(n.wrapper.ownerDocument,"mouseup",v),s.history.lastSelOrigin=null}var m=Ki(t,function(e){0!==e.buttons&&de(e)?function e(r){var o=++p,a=si(t,r,!0,"rectangle"==i.unit);if(a)if(0!=mt(a,u)){t.curOp.focus=D(),f(a);var l=bi(n,s);(a.line>=l.to||a.line<l.from)&&setTimeout(Ki(t,function(){p==o&&e(r)}),150)}else{var c=r.clientY<d.top?-20:r.clientY>d.bottom?20:0;c&&setTimeout(Ki(t,function(){p==o&&(n.scroller.scrollTop+=c,e(r))}),50)}}(e):g(e)}),v=Ki(t,g);t.state.selectingText=v,te(n.wrapper.ownerDocument,"mousemove",m),te(n.wrapper.ownerDocument,"mouseup",v)}(t,i,e,s)}(e,i,s,t):fe(t)==r.scroller&&le(t):2==n?(i&&zn(e.doc,i),setTimeout(function(){return r.input.focus()},20)):3==n&&(S?go(e,t):pi(e)))}}function uo(t,e,r){if("char"==r)return new yn(e,e);if("word"==r)return t.findWordAt(e);if("line"==r)return new yn(gt(e.line,0),kt(t.doc,gt(e.line+1,0)));var i=r(t,e);return new yn(i.from,i.to)}function fo(t,e,r,i){var n,s;if(e.touches)n=e.touches[0].clientX,s=e.touches[0].clientY;else try{n=e.clientX,s=e.clientY}catch(e){return!1}if(n>=Math.floor(t.display.gutters.getBoundingClientRect().right))return!1;i&&le(e);var o=t.display,a=o.lineDiv.getBoundingClientRect();if(s>a.bottom||!oe(t,r))return he(e);s-=a.top-o.viewOffset;for(var l=0;l<t.options.gutters.length;++l){var c=o.gutters.childNodes[l];if(c&&c.getBoundingClientRect().right>=n){var h=ft(t.doc,s),u=t.options.gutters[l];return ie(t,r,t,h,u,e),he(e)}}}function po(t,e){return fo(t,e,"gutterClick",!0)}function go(t,e){xr(t.display,e)||function(t,e){return!!oe(t,"gutterContextMenu")&&fo(t,e,"gutterContextMenu",!1)}(t,e)||ne(t,e,"contextmenu")||t.display.input.onContextMenu(e)}function mo(t){t.display.wrapper.className=t.display.wrapper.className.replace(/\s*cm-s-\S+/g,"")+t.options.theme.replace(/(^|\s)\s*/g," cm-s-"),Fr(t)}co.prototype.compare=function(t,e,r){return this.time+400>t&&0==mt(e,this.pos)&&r==this.button};var vo={toString:function(){return"CodeMirror.Init"}},yo={},bo={};function xo(t){hn(t),Ji(t),xi(t)}function wo(t,e,r){var i=r&&r!=vo;if(!e!=!i){var n=t.display.dragFunctions,s=e?te:re;s(t.display.scroller,"dragstart",n.start),s(t.display.scroller,"dragenter",n.enter),s(t.display.scroller,"dragover",n.over),s(t.display.scroller,"dragleave",n.leave),s(t.display.scroller,"drop",n.drop)}}function ko(t){t.options.lineWrapping?(R(t.display.wrapper,"CodeMirror-wrap"),t.display.sizer.style.minWidth="",t.display.sizerWidth=null):(C(t.display.wrapper,"CodeMirror-wrap"),qt(t)),ni(t),Ji(t),Fr(t),setTimeout(function(){return Mi(t)},100)}function So(t,e){var i=this;if(!(this instanceof So))return new So(t,e);this.options=e=e?B(e):{},B(yo,e,!1),un(e);var n=e.value;"string"==typeof n?n=new Ts(n,e.mode,null,e.lineSeparator,e.direction):e.mode&&(n.modeOption=e.mode),this.doc=n;var s=new So.inputStyles[e.inputStyle](this),c=this.display=new function(t,e,i){var n=this;this.input=i,n.scrollbarFiller=L("div",null,"CodeMirror-scrollbar-filler"),n.scrollbarFiller.setAttribute("cm-not-content","true"),n.gutterFiller=L("div",null,"CodeMirror-gutter-filler"),n.gutterFiller.setAttribute("cm-not-content","true"),n.lineDiv=N("div",null,"CodeMirror-code"),n.selectionDiv=L("div",null,null,"position: relative; z-index: 1"),n.cursorDiv=L("div",null,"CodeMirror-cursors"),n.measure=L("div",null,"CodeMirror-measure"),n.lineMeasure=L("div",null,"CodeMirror-measure"),n.lineSpace=N("div",[n.measure,n.lineMeasure,n.selectionDiv,n.cursorDiv,n.lineDiv],null,"position: relative; outline: none");var s=N("div",[n.lineSpace],"CodeMirror-lines");n.mover=L("div",[s],null,"position: relative"),n.sizer=L("div",[n.mover],"CodeMirror-sizer"),n.sizerWidth=null,n.heightForcer=L("div",null,null,"position: absolute; height: "+H+"px; width: 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h in c.wrapper.CodeMirror=this,hn(this),mo(this),e.lineWrapping&&(this.display.wrapper.className+=" CodeMirror-wrap"),Bi(this),this.state={keyMaps:[],overlays:[],modeGen:0,overwrite:!1,delayingBlurEvent:!1,focused:!1,suppressEdits:!1,pasteIncoming:!1,cutIncoming:!1,selectingText:!1,draggingText:!1,highlight:new U,keySeq:null,specialChars:null},e.autofocus&&!v&&c.input.focus(),o&&a<11&&setTimeout(function(){return i.display.input.reset(!0)},20),function(t){var e=t.display;te(e.scroller,"mousedown",Ki(t,ho)),te(e.scroller,"dblclick",o&&a<11?Ki(t,function(e){if(!ne(t,e)){var r=si(t,e);if(r&&!po(t,e)&&!xr(t.display,e)){le(e);var i=t.findWordAt(r);zn(t.doc,i.anchor,i.head)}}}):function(e){return ne(t,e)||le(e)}),S||te(e.scroller,"contextmenu",function(e){return go(t,e)});var r,i={end:0};function n(){e.activeTouch&&(r=setTimeout(function(){return e.activeTouch=null},1e3),(i=e.activeTouch).end=+new Date)}function s(t,e){if(null==e.left)return!0;var r=e.left-t.left,i=e.top-t.top;return r*r+i*i>400}te(e.scroller,"touchstart",function(n){if(!ne(t,n)&&!function(t){if(1!=t.touches.length)return!1;var e=t.touches[0];return e.radiusX<=1&&e.radiusY<=1}(n)&&!po(t,n)){e.input.ensurePolled(),clearTimeout(r);var s=+new Date;e.activeTouch={start:s,moved:!1,prev:s-i.end<=300?i:null},1==n.touches.length&&(e.activeTouch.left=n.touches[0].pageX,e.activeTouch.top=n.touches[0].pageY)}}),te(e.scroller,"touchmove",function(){e.activeTouch&&(e.activeTouch.moved=!0)}),te(e.scroller,"touchend",function(r){var i=e.activeTouch;if(i&&!xr(e,r)&&null!=i.left&&!i.moved&&new Date-i.start<300){var o,a=t.coordsChar(e.activeTouch,"page");o=!i.prev||s(i,i.prev)?new yn(a,a):!i.prev.prev||s(i,i.prev.prev)?t.findWordAt(a):new yn(gt(a.line,0),kt(t.doc,gt(a.line+1,0))),t.setSelection(o.anchor,o.head),t.focus(),le(r)}n()}),te(e.scroller,"touchcancel",n),te(e.scroller,"scroll",function(){e.scroller.clientHeight&&(Oi(t,e.scroller.scrollTop),Ni(t,e.scroller.scrollLeft,!0),ie(t,"scroll",t))}),te(e.scroller,"mousewheel",function(e){return mn(t,e)}),te(e.scroller,"DOMMouseScroll",function(e){return mn(t,e)}),te(e.wrapper,"scroll",function(){return e.wrapper.scrollTop=e.wrapper.scrollLeft=0}),e.dragFunctions={enter:function(e){ne(t,e)||ue(e)},over:function(e){ne(t,e)||(function(t,e){var r=si(t,e);if(r){var i=document.createDocumentFragment();ci(t,r,i),t.display.dragCursor||(t.display.dragCursor=L("div",null,"CodeMirror-cursors CodeMirror-dragcursors"),t.display.lineSpace.insertBefore(t.display.dragCursor,t.display.cursorDiv)),O(t.display.dragCursor,i)}}(t,e),ue(e))},start:function(e){return function(t,e){if(o&&(!t.state.draggingText||+new Date-Cs<100))ue(e);else if(!ne(t,e)&&!xr(t.display,e)&&(e.dataTransfer.setData("Text",t.getSelection()),e.dataTransfer.effectAllowed="copyMove",e.dataTransfer.setDragImage&&!f)){var r=L("img",null,null,"position: fixed; left: 0; top: 0;");r.src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==",u&&(r.width=r.height=1,t.display.wrapper.appendChild(r),r._top=r.offsetTop),e.dataTransfer.setDragImage(r,0,0),u&&r.parentNode.removeChild(r)}}(t,e)},drop:Ki(t,Is),leave:function(e){ne(t,e)||Os(t)}};var l=e.input.getField();te(l,"keyup",function(e){return so.call(t,e)}),te(l,"keydown",Ki(t,no)),te(l,"keypress",Ki(t,oo)),te(l,"focus",function(e){return gi(t,e)}),te(l,"blur",function(e){return mi(t,e)})}(this),As(),Ui(this),this.curOp.forceUpdate=!0,Nn(this,n),e.autofocus&&!v||this.hasFocus()?setTimeout(V(gi,this),20):mi(this),bo)bo.hasOwnProperty(h)&&bo[h](i,e[h],vo);wi(this),e.finishInit&&e.finishInit(this);for(var d=0;d<Eo.length;++d)Eo[d](i);Wi(this),l&&e.lineWrapping&&"optimizelegibility"==getComputedStyle(c.lineDiv).textRendering&&(c.lineDiv.style.textRendering="auto")}So.defaults=yo,So.optionHandlers=bo;var Eo=[];function To(t,e,r,i){var n,s=t.doc;null==r&&(r="add"),"smart"==r&&(s.mode.indent?n=Be(t,e).state:r="prev");var o=t.options.tabSize,a=at(s,e),l=F(a.text,null,o);a.stateAfter&&(a.stateAfter=null);var c,h=a.text.match(/^\s*/)[0];if(i||/\S/.test(a.text)){if("smart"==r&&((c=s.mode.indent(n,a.text.slice(h.length),a.text))==G||c>150)){if(!i)return;r="prev"}}else c=0,r="not";"prev"==r?c=e>s.first?F(at(s,e-1).text,null,o):0:"add"==r?c=l+t.options.indentUnit:"subtract"==r?c=l-t.options.indentUnit:"number"==typeof r&&(c=l+r),c=Math.max(0,c);var u="",f=0;if(t.options.indentWithTabs)for(var d=Math.floor(c/o);d;--d)f+=o,u+="\t";if(f<c&&(u+=q(c-f)),u!=h)return cs(s,u,gt(e,0),gt(e,h.length),"+input"),a.stateAfter=null,!0;for(var p=0;p<s.sel.ranges.length;p++){var g=s.sel.ranges[p];if(g.head.line==e&&g.head.ch<h.length){var m=gt(e,h.length);Xn(s,p,new yn(m,m));break}}}So.defineInitHook=function(t){return Eo.push(t)};var Co=null;function Io(t){Co=t}function Oo(t,e,r,i,n){var s=t.doc;t.display.shift=!1,i||(i=s.sel);var o,a=t.state.pasteIncoming||"paste"==n,l=be(e),c=null;if(a&&i.ranges.length>1)if(Co&&Co.text.join("\n")==e){if(i.ranges.length%Co.text.length==0){c=[];for(var h=0;h<Co.text.length;h++)c.push(s.splitLines(Co.text[h]))}}else l.length==i.ranges.length&&t.options.pasteLinesPerSelection&&(c=J(l,function(t){return[t]}));for(var u=i.ranges.length-1;u>=0;u--){var f=i.ranges[u],d=f.from(),p=f.to();f.empty()&&(r&&r>0?d=gt(d.line,d.ch-r):t.state.overwrite&&!a?p=gt(p.line,Math.min(at(s,p.line).text.length,p.ch+Y(l).length)):Co&&Co.lineWise&&Co.text.join("\n")==e&&(d=p=gt(d.line,0))),o=t.curOp.updateInput;var g={from:d,to:p,text:c?c[u%c.length]:l,origin:n||(a?"paste":t.state.cutIncoming?"cut":"+input")};ns(t.doc,g),or(t,"inputRead",t,g)}e&&!a&&No(t,e),Ei(t),t.curOp.updateInput=o,t.curOp.typing=!0,t.state.pasteIncoming=t.state.cutIncoming=!1}function Lo(t,e){var r=t.clipboardData&&t.clipboardData.getData("Text");if(r)return t.preventDefault(),e.isReadOnly()||e.options.disableInput||ji(e,function(){return Oo(e,r,0,null,"paste")}),!0}function No(t,e){if(t.options.electricChars&&t.options.smartIndent)for(var r=t.doc.sel,i=r.ranges.length-1;i>=0;i--){var n=r.ranges[i];if(!(n.head.ch>100||i&&r.ranges[i-1].head.line==n.head.line)){var s=t.getModeAt(n.head),o=!1;if(s.electricChars){for(var a=0;a<s.electricChars.length;a++)if(e.indexOf(s.electricChars.charAt(a))>-1){o=To(t,n.head.line,"smart");break}}else s.electricInput&&s.electricInput.test(at(t.doc,n.head.line).text.slice(0,n.head.ch))&&(o=To(t,n.head.line,"smart"));o&&or(t,"electricInput",t,n.head.line)}}}function Ao(t){for(var e=[],r=[],i=0;i<t.doc.sel.ranges.length;i++){var n=t.doc.sel.ranges[i].head.line,s={anchor:gt(n,0),head:gt(n+1,0)};r.push(s),e.push(t.getRange(s.anchor,s.head))}return{text:e,ranges:r}}function Do(t,e){t.setAttribute("autocorrect","off"),t.setAttribute("autocapitalize","off"),t.setAttribute("spellcheck",!!e)}function Ro(){var t=L("textarea",null,null,"position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"),e=L("div",[t],null,"overflow: hidden; position: relative; width: 3px; height: 0px;");return l?t.style.width="1000px":t.setAttribute("wrap","off"),g&&(t.style.border="1px solid black"),Do(t),e}function Mo(t,e,r,i,n){var s=e,o=r,a=at(t,e.line);function l(i){var s;if(null==(s=n?function(t,e,r,i){var n=Qt(e,t.doc.direction);if(!n)return Ks(e,r,i);r.ch>=e.text.length?(r.ch=e.text.length,r.sticky="before"):r.ch<=0&&(r.ch=0,r.sticky="after");var s=Jt(n,r.ch,r.sticky),o=n[s];if("ltr"==t.doc.direction&&o.level%2==0&&(i>0?o.to>r.ch:o.from<r.ch))return Ks(e,r,i);var a,l=function(t,r){return js(e,t instanceof gt?t.ch:t,r)},c=function(r){return t.options.lineWrapping?(a=a||Nr(t,e),Jr(t,e,a,r)):{begin:0,end:e.text.length}},h=c("before"==r.sticky?l(r,-1):r.ch);if("rtl"==t.doc.direction||1==o.level){var u=1==o.level==i<0,f=l(r,u?1:-1);if(null!=f&&(u?f<=o.to&&f<=h.end:f>=o.from&&f>=h.begin)){var d=u?"before":"after";return new gt(r.line,f,d)}}var p=function(t,e,i){for(var s=function(t,e){return e?new gt(r.line,l(t,1),"before"):new gt(r.line,t,"after")};t>=0&&t<n.length;t+=e){var o=n[t],a=e>0==(1!=o.level),c=a?i.begin:l(i.end,-1);if(o.from<=c&&c<o.to)return s(c,a);if(c=a?o.from:l(o.to,-1),i.begin<=c&&c<i.end)return s(c,a)}},g=p(s+i,i,h);if(g)return g;var m=i>0?h.end:l(h.begin,-1);return null==m||i>0&&m==e.text.length||!(g=p(i>0?0:n.length-1,i,c(m)))?null:g}(t.cm,a,e,r):Ks(a,e,r))){if(i||!function(){var i=e.line+r;return!(i<t.first||i>=t.first+t.size)&&(e=new gt(i,e.ch,e.sticky),a=at(t,i))}())return!1;e=qs(n,t.cm,a,e.line,r)}else e=s;return!0}if("char"==i)l();else if("column"==i)l(!0);else if("word"==i||"group"==i)for(var c=null,h="group"==i,u=t.cm&&t.cm.getHelper(e,"wordChars"),f=!0;!(r<0)||l(!f);f=!1){var d=a.text.charAt(e.ch)||"\n",p=et(d,u)?"w":h&&"\n"==d?"n":!h||/\s/.test(d)?null:"p";if(!h||f||p||(p="s"),c&&c!=p){r<0&&(r=1,l(),e.sticky="after");break}if(p&&(c=p),r>0&&!l(!f))break}var g=ts(t,e,s,o,!0);return vt(s,g)&&(g.hitSide=!0),g}function Po(t,e,r,i){var n,s,o=t.doc,a=e.left;if("page"==i){var l=Math.min(t.display.wrapper.clientHeight,window.innerHeight||document.documentElement.clientHeight),c=Math.max(l-.5*$r(t.display),3);n=(r>0?e.bottom:e.top)+r*c}else"line"==i&&(n=r>0?e.bottom+3:e.top-3);for(;(s=qr(t,a,n)).outside;){if(r<0?n<=0:n>=o.height){s.hitSide=!0;break}n+=5*r}return s}var Vo=function(t){this.cm=t,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new U,this.composing=null,this.gracePeriod=!1,this.readDOMTimeout=null};function Bo(t,e){var r=Lr(t,e.line);if(!r||r.hidden)return null;var i=at(t.doc,e.line),n=Ir(r,i,e.line),s=Qt(i,t.doc.direction),o="left";if(s){var a=Jt(s,e.ch);o=a%2?"right":"left"}var l=Mr(n.map,e.ch,o);return l.offset="right"==l.collapse?l.end:l.start,l}function Fo(t,e){return e&&(t.bad=!0),t}function Uo(t,e,r){var i;if(e==t.display.lineDiv){if(!(i=t.display.lineDiv.childNodes[r]))return Fo(t.clipPos(gt(t.display.viewTo-1)),!0);e=null,r=0}else for(i=e;;i=i.parentNode){if(!i||i==t.display.lineDiv)return null;if(i.parentNode&&i.parentNode==t.display.lineDiv)break}for(var n=0;n<t.display.view.length;n++){var s=t.display.view[n];if(s.node==i)return Wo(s,e,r)}}function Wo(t,e,r){var i=t.text.firstChild,n=!1;if(!e||!A(i,e))return Fo(gt(ut(t.line),0),!0);if(e==i&&(n=!0,e=i.childNodes[r],r=0,!e)){var s=t.rest?Y(t.rest):t.line;return Fo(gt(ut(s),s.text.length),n)}var o=3==e.nodeType?e:null,a=e;for(o||1!=e.childNodes.length||3!=e.firstChild.nodeType||(o=e.firstChild,r&&(r=o.nodeValue.length));a.parentNode!=i;)a=a.parentNode;var l=t.measure,c=l.maps;function h(e,r,i){for(var n=-1;n<(c?c.length:0);n++)for(var s=n<0?l.map:c[n],o=0;o<s.length;o+=3){var a=s[o+2];if(a==e||a==r){var h=ut(n<0?t.line:t.rest[n]),u=s[o]+i;return(i<0||a!=e)&&(u=s[o+(i?1:0)]),gt(h,u)}}}var u=h(o,a,r);if(u)return Fo(u,n);for(var f=a.nextSibling,d=o?o.nodeValue.length-r:0;f;f=f.nextSibling){if(u=h(f,f.firstChild,0))return Fo(gt(u.line,u.ch-d),n);d+=f.textContent.length}for(var p=a.previousSibling,g=r;p;p=p.previousSibling){if(u=h(p,p.firstChild,-1))return Fo(gt(u.line,u.ch+g),n);g+=p.textContent.length}}Vo.prototype.init=function(t){var e=this,r=this,i=r.cm,n=r.div=t.lineDiv;function s(t){if(!ne(i,t)){if(i.somethingSelected())Io({lineWise:!1,text:i.getSelections()}),"cut"==t.type&&i.replaceSelection("",null,"cut");else{if(!i.options.lineWiseCopyCut)return;var e=Ao(i);Io({lineWise:!0,text:e.text}),"cut"==t.type&&i.operation(function(){i.setSelections(e.ranges,0,z),i.replaceSelection("",null,"cut")})}if(t.clipboardData){t.clipboardData.clearData();var s=Co.text.join("\n");if(t.clipboardData.setData("Text",s),t.clipboardData.getData("Text")==s)return void t.preventDefault()}var o=Ro(),a=o.firstChild;i.display.lineSpace.insertBefore(o,i.display.lineSpace.firstChild),a.value=Co.text.join("\n");var l=document.activeElement;P(a),setTimeout(function(){i.display.lineSpace.removeChild(o),l.focus(),l==n&&r.showPrimarySelection()},50)}}Do(n,i.options.spellcheck),te(n,"paste",function(t){ne(i,t)||Lo(t,i)||a<=11&&setTimeout(Ki(i,function(){return e.updateFromDOM()}),20)}),te(n,"compositionstart",function(t){e.composing={data:t.data,done:!1}}),te(n,"compositionupdate",function(t){e.composing||(e.composing={data:t.data,done:!1})}),te(n,"compositionend",function(t){e.composing&&(t.data!=e.composing.data&&e.readFromDOMSoon(),e.composing.done=!0)}),te(n,"touchstart",function(){return r.forceCompositionEnd()}),te(n,"input",function(){e.composing||e.readFromDOMSoon()}),te(n,"copy",s),te(n,"cut",s)},Vo.prototype.prepareSelection=function(){var t=li(this.cm,!1);return t.focus=this.cm.state.focused,t},Vo.prototype.showSelection=function(t,e){t&&this.cm.display.view.length&&((t.focus||e)&&this.showPrimarySelection(),this.showMultipleSelections(t))},Vo.prototype.getSelection=function(){return this.cm.display.wrapper.ownerDocument.getSelection()},Vo.prototype.showPrimarySelection=function(){var t=this.getSelection(),e=this.cm,i=e.doc.sel.primary(),n=i.from(),s=i.to();if(e.display.viewTo==e.display.viewFrom||n.line>=e.display.viewTo||s.line<e.display.viewFrom)t.removeAllRanges();else{var o=Uo(e,t.anchorNode,t.anchorOffset),a=Uo(e,t.focusNode,t.focusOffset);if(!o||o.bad||!a||a.bad||0!=mt(xt(o,a),n)||0!=mt(bt(o,a),s)){var l=e.display.view,c=n.line>=e.display.viewFrom&&Bo(e,n)||{node:l[0].measure.map[2],offset:0},h=s.line<e.display.viewTo&&Bo(e,s);if(!h){var u=l[l.length-1].measure,f=u.maps?u.maps[u.maps.length-1]:u.map;h={node:f[f.length-1],offset:f[f.length-2]-f[f.length-3]}}if(c&&h){var d,p=t.rangeCount&&t.getRangeAt(0);try{d=T(c.node,c.offset,h.offset,h.node)}catch(t){}d&&(!r&&e.state.focused?(t.collapse(c.node,c.offset),d.collapsed||(t.removeAllRanges(),t.addRange(d))):(t.removeAllRanges(),t.addRange(d)),p&&null==t.anchorNode?t.addRange(p):r&&this.startGracePeriod()),this.rememberSelection()}else t.removeAllRanges()}}},Vo.prototype.startGracePeriod=function(){var t=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){t.gracePeriod=!1,t.selectionChanged()&&t.cm.operation(function(){return t.cm.curOp.selectionChanged=!0})},20)},Vo.prototype.showMultipleSelections=function(t){O(this.cm.display.cursorDiv,t.cursors),O(this.cm.display.selectionDiv,t.selection)},Vo.prototype.rememberSelection=function(){var t=this.getSelection();this.lastAnchorNode=t.anchorNode,this.lastAnchorOffset=t.anchorOffset,this.lastFocusNode=t.focusNode,this.lastFocusOffset=t.focusOffset},Vo.prototype.selectionInEditor=function(){var t=this.getSelection();if(!t.rangeCount)return!1;var e=t.getRangeAt(0).commonAncestorContainer;return A(this.div,e)},Vo.prototype.focus=function(){"nocursor"!=this.cm.options.readOnly&&(this.selectionInEditor()||this.showSelection(this.prepareSelection(),!0),this.div.focus())},Vo.prototype.blur=function(){this.div.blur()},Vo.prototype.getField=function(){return this.div},Vo.prototype.supportsTouch=function(){return!0},Vo.prototype.receivedFocus=function(){var t=this;this.selectionInEditor()?this.pollSelection():ji(this.cm,function(){return t.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,function e(){t.cm.state.focused&&(t.pollSelection(),t.polling.set(t.cm.options.pollInterval,e))})},Vo.prototype.selectionChanged=function(){var t=this.getSelection();return t.anchorNode!=this.lastAnchorNode||t.anchorOffset!=this.lastAnchorOffset||t.focusNode!=this.lastFocusNode||t.focusOffset!=this.lastFocusOffset},Vo.prototype.pollSelection=function(){if(null==this.readDOMTimeout&&!this.gracePeriod&&this.selectionChanged()){var t=this.getSelection(),e=this.cm;if(m&&h&&this.cm.options.gutters.length&&function(t){for(var e=t;e;e=e.parentNode)if(/CodeMirror-gutter-wrapper/.test(e.className))return!0;return!1}(t.anchorNode))return this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs}),this.blur(),void this.focus();if(!this.composing){this.rememberSelection();var r=Uo(e,t.anchorNode,t.anchorOffset),i=Uo(e,t.focusNode,t.focusOffset);r&&i&&ji(e,function(){qn(e.doc,xn(r,i),z),(r.bad||i.bad)&&(e.curOp.selectionChanged=!0)})}}},Vo.prototype.pollContent=function(){null!=this.readDOMTimeout&&(clearTimeout(this.readDOMTimeout),this.readDOMTimeout=null);var t,e,r,i=this.cm,n=i.display,s=i.doc.sel.primary(),o=s.from(),a=s.to();if(0==o.ch&&o.line>i.firstLine()&&(o=gt(o.line-1,at(i.doc,o.line-1).length)),a.ch==at(i.doc,a.line).text.length&&a.line<i.lastLine()&&(a=gt(a.line+1,0)),o.line<n.viewFrom||a.line>n.viewTo-1)return!1;o.line==n.viewFrom||0==(t=oi(i,o.line))?(e=ut(n.view[0].line),r=n.view[0].node):(e=ut(n.view[t].line),r=n.view[t-1].node.nextSibling);var l,c,h=oi(i,a.line);if(h==n.view.length-1?(l=n.viewTo-1,c=n.lineDiv.lastChild):(l=ut(n.view[h+1].line)-1,c=n.view[h+1].node.previousSibling),!r)return!1;for(var u=i.doc.splitLines(function(t,e,r,i,n){var s="",o=!1,a=t.doc.lineSeparator(),l=!1;function c(){o&&(s+=a,l&&(s+=a),o=l=!1)}function h(t){t&&(c(),s+=t)}function u(e){if(1==e.nodeType){var r=e.getAttribute("cm-text");if(r)return void h(r);var s,f=e.getAttribute("cm-marker");if(f){var d=t.findMarks(gt(i,0),gt(n+1,0),function(t){return function(e){return e.id==t}}(+f));return void(d.length&&(s=d[0].find(0))&&h(lt(t.doc,s.from,s.to).join(a)))}if("false"==e.getAttribute("contenteditable"))return;var p=/^(pre|div|p|li|table|br)$/i.test(e.nodeName);if(!/^br$/i.test(e.nodeName)&&0==e.textContent.length)return;p&&c();for(var g=0;g<e.childNodes.length;g++)u(e.childNodes[g]);/^(pre|p)$/i.test(e.nodeName)&&(l=!0),p&&(o=!0)}else 3==e.nodeType&&h(e.nodeValue.replace(/\u200b/g,"").replace(/\u00a0/g," "))}for(;u(e),e!=r;)e=e.nextSibling,l=!1;return s}(i,r,c,e,l)),f=lt(i.doc,gt(e,0),gt(l,at(i.doc,l).text.length));u.length>1&&f.length>1;)if(Y(u)==Y(f))u.pop(),f.pop(),l--;else{if(u[0]!=f[0])break;u.shift(),f.shift(),e++}for(var d=0,p=0,g=u[0],m=f[0],v=Math.min(g.length,m.length);d<v&&g.charCodeAt(d)==m.charCodeAt(d);)++d;for(var y=Y(u),b=Y(f),x=Math.min(y.length-(1==u.length?d:0),b.length-(1==f.length?d:0));p<x&&y.charCodeAt(y.length-p-1)==b.charCodeAt(b.length-p-1);)++p;if(1==u.length&&1==f.length&&e==o.line)for(;d&&d>o.ch&&y.charCodeAt(y.length-p-1)==b.charCodeAt(b.length-p-1);)d--,p++;u[u.length-1]=y.slice(0,y.length-p).replace(/^\u200b+/,""),u[0]=u[0].slice(d).replace(/\u200b+$/,"");var w=gt(e,d),k=gt(l,f.length?Y(f).length-p:0);return u.length>1||u[0]||mt(w,k)?(cs(i.doc,u,w,k,"+input"),!0):void 0},Vo.prototype.ensurePolled=function(){this.forceCompositionEnd()},Vo.prototype.reset=function(){this.forceCompositionEnd()},Vo.prototype.forceCompositionEnd=function(){this.composing&&(clearTimeout(this.readDOMTimeout),this.composing=null,this.updateFromDOM(),this.div.blur(),this.div.focus())},Vo.prototype.readFromDOMSoon=function(){var t=this;null==this.readDOMTimeout&&(this.readDOMTimeout=setTimeout(function(){if(t.readDOMTimeout=null,t.composing){if(!t.composing.done)return;t.composing=null}t.updateFromDOM()},80))},Vo.prototype.updateFromDOM=function(){var t=this;!this.cm.isReadOnly()&&this.pollContent()||ji(this.cm,function(){return Ji(t.cm)})},Vo.prototype.setUneditable=function(t){t.contentEditable="false"},Vo.prototype.onKeyPress=function(t){0==t.charCode||this.composing||(t.preventDefault(),this.cm.isReadOnly()||Ki(this.cm,Oo)(this.cm,String.fromCharCode(null==t.charCode?t.keyCode:t.charCode),0))},Vo.prototype.readOnlyChanged=function(t){this.div.contentEditable=String("nocursor"!=t)},Vo.prototype.onContextMenu=function(){},Vo.prototype.resetPosition=function(){},Vo.prototype.needsContentAttribute=!0;var Ho=function(t){this.cm=t,this.prevInput="",this.pollingFast=!1,this.polling=new U,this.hasSelection=!1,this.composing=null};Ho.prototype.init=function(t){var e=this,r=this,i=this.cm;this.createField(t);var n=this.textarea;function s(t){if(!ne(i,t)){if(i.somethingSelected())Io({lineWise:!1,text:i.getSelections()});else{if(!i.options.lineWiseCopyCut)return;var e=Ao(i);Io({lineWise:!0,text:e.text}),"cut"==t.type?i.setSelections(e.ranges,null,z):(r.prevInput="",n.value=e.text.join("\n"),P(n))}"cut"==t.type&&(i.state.cutIncoming=!0)}}t.wrapper.insertBefore(this.wrapper,t.wrapper.firstChild),g&&(n.style.width="0px"),te(n,"input",function(){o&&a>=9&&e.hasSelection&&(e.hasSelection=null),r.poll()}),te(n,"paste",function(t){ne(i,t)||Lo(t,i)||(i.state.pasteIncoming=!0,r.fastPoll())}),te(n,"cut",s),te(n,"copy",s),te(t.scroller,"paste",function(e){xr(t,e)||ne(i,e)||(i.state.pasteIncoming=!0,r.focus())}),te(t.lineSpace,"selectstart",function(e){xr(t,e)||le(e)}),te(n,"compositionstart",function(){var t=i.getCursor("from");r.composing&&r.composing.range.clear(),r.composing={start:t,range:i.markText(t,i.getCursor("to"),{className:"CodeMirror-composing"})}}),te(n,"compositionend",function(){r.composing&&(r.poll(),r.composing.range.clear(),r.composing=null)})},Ho.prototype.createField=function(t){this.wrapper=Ro(),this.textarea=this.wrapper.firstChild},Ho.prototype.prepareSelection=function(){var t=this.cm,e=t.display,r=t.doc,i=li(t);if(t.options.moveInputWithCursor){var n=Xr(t,r.sel.primary().head,"div"),s=e.wrapper.getBoundingClientRect(),o=e.lineDiv.getBoundingClientRect();i.teTop=Math.max(0,Math.min(e.wrapper.clientHeight-10,n.top+o.top-s.top)),i.teLeft=Math.max(0,Math.min(e.wrapper.clientWidth-10,n.left+o.left-s.left))}return i},Ho.prototype.showSelection=function(t){var e=this.cm,r=e.display;O(r.cursorDiv,t.cursors),O(r.selectionDiv,t.selection),null!=t.teTop&&(this.wrapper.style.top=t.teTop+"px",this.wrapper.style.left=t.teLeft+"px")},Ho.prototype.reset=function(t){if(!this.contextMenuPending&&!this.composing){var e=this.cm;if(e.somethingSelected()){this.prevInput="";var r=e.getSelection();this.textarea.value=r,e.state.focused&&P(this.textarea),o&&a>=9&&(this.hasSelection=r)}else t||(this.prevInput=this.textarea.value="",o&&a>=9&&(this.hasSelection=null))}},Ho.prototype.getField=function(){return this.textarea},Ho.prototype.supportsTouch=function(){return!1},Ho.prototype.focus=function(){if("nocursor"!=this.cm.options.readOnly&&(!v||D()!=this.textarea))try{this.textarea.focus()}catch(t){}},Ho.prototype.blur=function(){this.textarea.blur()},Ho.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0},Ho.prototype.receivedFocus=function(){this.slowPoll()},Ho.prototype.slowPoll=function(){var t=this;this.pollingFast||this.polling.set(this.cm.options.pollInterval,function(){t.poll(),t.cm.state.focused&&t.slowPoll()})},Ho.prototype.fastPoll=function(){var t=!1,e=this;e.pollingFast=!0,e.polling.set(20,function r(){var i=e.poll();i||t?(e.pollingFast=!1,e.slowPoll()):(t=!0,e.polling.set(60,r))})},Ho.prototype.poll=function(){var t=this,e=this.cm,r=this.textarea,i=this.prevInput;if(this.contextMenuPending||!e.state.focused||xe(r)&&!i&&!this.composing||e.isReadOnly()||e.options.disableInput||e.state.keySeq)return!1;var n=r.value;if(n==i&&!e.somethingSelected())return!1;if(o&&a>=9&&this.hasSelection===n||y&&/[\uf700-\uf7ff]/.test(n))return e.display.input.reset(),!1;if(e.doc.sel==e.display.selForContextMenu){var s=n.charCodeAt(0);if(8203!=s||i||(i=""),8666==s)return this.reset(),this.cm.execCommand("undo")}for(var l=0,c=Math.min(i.length,n.length);l<c&&i.charCodeAt(l)==n.charCodeAt(l);)++l;return ji(e,function(){Oo(e,n.slice(l),i.length-l,null,t.composing?"*compose":null),n.length>1e3||n.indexOf("\n")>-1?r.value=t.prevInput="":t.prevInput=n,t.composing&&(t.composing.range.clear(),t.composing.range=e.markText(t.composing.start,e.getCursor("to"),{className:"CodeMirror-composing"}))}),!0},Ho.prototype.ensurePolled=function(){this.pollingFast&&this.poll()&&(this.pollingFast=!1)},Ho.prototype.onKeyPress=function(){o&&a>=9&&(this.hasSelection=null),this.fastPoll()},Ho.prototype.onContextMenu=function(t){var e=this,r=e.cm,i=r.display,n=e.textarea,s=si(r,t),c=i.scroller.scrollTop;if(s&&!u){var h=r.options.resetSelectionOnContextMenu;h&&-1==r.doc.sel.contains(s)&&Ki(r,qn)(r.doc,xn(s),z);var f=n.style.cssText,d=e.wrapper.style.cssText;e.wrapper.style.cssText="position: absolute";var p,g=e.wrapper.getBoundingClientRect();if(n.style.cssText="position: absolute; width: 30px; height: 30px;\n      top: "+(t.clientY-g.top-5)+"px; left: "+(t.clientX-g.left-5)+"px;\n      z-index: 1000; background: "+(o?"rgba(255, 255, 255, .05)":"transparent")+";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);",l&&(p=window.scrollY),i.input.focus(),l&&window.scrollTo(null,p),i.input.reset(),r.somethingSelected()||(n.value=e.prevInput=" "),e.contextMenuPending=!0,i.selForContextMenu=r.doc.sel,clearTimeout(i.detectingSelectAll),o&&a>=9&&v(),S){ue(t);var m=function(){re(window,"mouseup",m),setTimeout(y,20)};te(window,"mouseup",m)}else setTimeout(y,50)}function v(){if(null!=n.selectionStart){var t=r.somethingSelected(),s=""+(t?n.value:"");n.value="⇚",n.value=s,e.prevInput=t?"":"",n.selectionStart=1,n.selectionEnd=s.length,i.selForContextMenu=r.doc.sel}}function y(){if(e.contextMenuPending=!1,e.wrapper.style.cssText=d,n.style.cssText=f,o&&a<9&&i.scrollbars.setScrollTop(i.scroller.scrollTop=c),null!=n.selectionStart){(!o||o&&a<9)&&v();var t=0,s=function(){i.selForContextMenu==r.doc.sel&&0==n.selectionStart&&n.selectionEnd>0&&""==e.prevInput?Ki(r,rs)(r):t++<10?i.detectingSelectAll=setTimeout(s,500):(i.selForContextMenu=null,i.input.reset())};i.detectingSelectAll=setTimeout(s,200)}}},Ho.prototype.readOnlyChanged=function(t){t||this.reset(),this.textarea.disabled="nocursor"==t},Ho.prototype.setUneditable=function(){},Ho.prototype.needsContentAttribute=!1,function(t){var e=t.optionHandlers;function r(r,i,n,s){t.defaults[r]=i,n&&(e[r]=s?function(t,e,r){r!=vo&&n(t,e,r)}:n)}t.defineOption=r,t.Init=vo,r("value","",function(t,e){return t.setValue(e)},!0),r("mode",null,function(t,e){t.doc.modeOption=e,Tn(t)},!0),r("indentUnit",2,Tn,!0),r("indentWithTabs",!1),r("smartIndent",!0),r("tabSize",4,function(t){Cn(t),Fr(t),Ji(t)},!0),r("lineSeparator",null,function(t,e){if(t.doc.lineSep=e,e){var r=[],i=t.doc.first;t.doc.iter(function(t){for(var n=0;;){var s=t.text.indexOf(e,n);if(-1==s)break;n=s+e.length,r.push(gt(i,s))}i++});for(var n=r.length-1;n>=0;n--)cs(t.doc,e,r[n],gt(r[n].line,r[n].ch+e.length))}}),r("specialChars",/[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g,function(t,e,r){t.state.specialChars=new RegExp(e.source+(e.test("\t")?"":"|\t"),"g"),r!=vo&&t.refresh()}),r("specialCharPlaceholder",Ze,function(t){return t.refresh()},!0),r("electricChars",!0),r("inputStyle",v?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),r("spellcheck",!1,function(t,e){return t.getInputField().spellcheck=e},!0),r("rtlMoveVisually",!x),r("wholeLineUpdateBefore",!0),r("theme","default",function(t){mo(t),xo(t)},!0),r("keyMap","default",function(t,e,r){var i=_s(e),n=r!=vo&&_s(r);n&&n.detach&&n.detach(t,i),i.attach&&i.attach(t,n||null)}),r("extraKeys",null),r("configureMouse",null),r("lineWrapping",!1,ko,!0),r("gutters",[],function(t){un(t.options),xo(t)},!0),r("fixedGutter",!0,function(t,e){t.display.gutters.style.left=e?ri(t.display)+"px":"0",t.refresh()},!0),r("coverGutterNextToScrollbar",!1,function(t){return Mi(t)},!0),r("scrollbarStyle","native",function(t){Bi(t),Mi(t),t.display.scrollbars.setScrollTop(t.doc.scrollTop),t.display.scrollbars.setScrollLeft(t.doc.scrollLeft)},!0),r("lineNumbers",!1,function(t){un(t.options),xo(t)},!0),r("firstLineNumber",1,xo,!0),r("lineNumberFormatter",function(t){return t},xo,!0),r("showCursorWhenSelecting",!1,ai,!0),r("resetSelectionOnContextMenu",!0),r("lineWiseCopyCut",!0),r("pasteLinesPerSelection",!0),r("readOnly",!1,function(t,e){"nocursor"==e&&(mi(t),t.display.input.blur()),t.display.input.readOnlyChanged(e)}),r("disableInput",!1,function(t,e){e||t.display.input.reset()},!0),r("dragDrop",!0,wo),r("allowDropFileTypes",null),r("cursorBlinkRate",530),r("cursorScrollMargin",0),r("cursorHeight",1,ai,!0),r("singleCursorHeightPerLine",!0,ai,!0),r("workTime",100),r("workDelay",100),r("flattenSpans",!0,Cn,!0),r("addModeClass",!1,Cn,!0),r("pollInterval",100),r("undoDepth",200,function(t,e){return t.doc.history.undoDepth=e}),r("historyEventDelay",1250),r("viewportMargin",10,function(t){return t.refresh()},!0),r("maxHighlightLength",1e4,Cn,!0),r("moveInputWithCursor",!0,function(t,e){e||t.display.input.resetPosition()}),r("tabindex",null,function(t,e){return t.display.input.getField().tabIndex=e||""}),r("autofocus",null),r("direction","ltr",function(t,e){return t.doc.setDirection(e)},!0),r("phrases",null)}(So),function(t){var e=t.optionHandlers,r=t.helpers={};t.prototype={constructor:t,focus:function(){window.focus(),this.display.input.focus()},setOption:function(t,r){var i=this.options,n=i[t];i[t]==r&&"mode"!=t||(i[t]=r,e.hasOwnProperty(t)&&Ki(this,e[t])(this,r,n),ie(this,"optionChange",this,t))},getOption:function(t){return this.options[t]},getDoc:function(){return this.doc},addKeyMap:function(t,e){this.state.keyMaps[e?"push":"unshift"](_s(t))},removeKeyMap:function(t){for(var e=this.state.keyMaps,r=0;r<e.length;++r)if(e[r]==t||e[r].name==t)return e.splice(r,1),!0},addOverlay:qi(function(e,r){var i=e.token?e:t.getMode(this.options,e);if(i.startState)throw new Error("Overlays may not be stateful.");!function(t,e,r){for(var i=0,n=r(e);i<t.length&&r(t[i])<=n;)i++;t.splice(i,0,e)}(this.state.overlays,{mode:i,modeSpec:e,opaque:r&&r.opaque,priority:r&&r.priority||0},function(t){return t.priority}),this.state.modeGen++,Ji(this)}),removeOverlay:qi(function(t){for(var e=this.state.overlays,r=0;r<e.length;++r){var i=e[r].modeSpec;if(i==t||"string"==typeof t&&i.name==t)return e.splice(r,1),this.state.modeGen++,void Ji(this)}}),indentLine:qi(function(t,e,r){"string"!=typeof e&&"number"!=typeof e&&(e=null==e?this.options.smartIndent?"smart":"prev":e?"add":"subtract"),dt(this.doc,t)&&To(this,t,e,r)}),indentSelection:qi(function(t){for(var e=this.doc.sel.ranges,r=-1,i=0;i<e.length;i++){var n=e[i];if(n.empty())n.head.line>r&&(To(this,n.head.line,t,!0),r=n.head.line,i==this.doc.sel.primIndex&&Ei(this));else{var s=n.from(),o=n.to(),a=Math.max(r,s.line);r=Math.min(this.lastLine(),o.line-(o.ch?0:1))+1;for(var l=a;l<r;++l)To(this,l,t);var c=this.doc.sel.ranges;0==s.ch&&e.length==c.length&&c[i].from().ch>0&&Xn(this.doc,i,new yn(s,c[i].to()),z)}}}),getTokenAt:function(t,e){return Ge(this,t,e)},getLineTokens:function(t,e){return Ge(this,gt(t),e,!0)},getTokenTypeAt:function(t){t=kt(this.doc,t);var e,r=Ve(this,at(this.doc,t.line)),i=0,n=(r.length-1)/2,s=t.ch;if(0==s)e=r[2];else for(;;){var o=i+n>>1;if((o?r[2*o-1]:0)>=s)n=o;else{if(!(r[2*o+1]<s)){e=r[2*o+2];break}i=o+1}}var a=e?e.indexOf("overlay "):-1;return a<0?e:0==a?null:e.slice(0,a-1)},getModeAt:function(e){var r=this.doc.mode;return r.innerMode?t.innerMode(r,this.getTokenAt(e).state).mode:r},getHelper:function(t,e){return this.getHelpers(t,e)[0]},getHelpers:function(t,e){var i=[];if(!r.hasOwnProperty(e))return i;var n=r[e],s=this.getModeAt(t);if("string"==typeof s[e])n[s[e]]&&i.push(n[s[e]]);else if(s[e])for(var o=0;o<s[e].length;o++){var a=n[s[e][o]];a&&i.push(a)}else s.helperType&&n[s.helperType]?i.push(n[s.helperType]):n[s.name]&&i.push(n[s.name]);for(var l=0;l<n._global.length;l++){var c=n._global[l];c.pred(s,this)&&-1==W(i,c.val)&&i.push(c.val)}return i},getStateAfter:function(t,e){var r=this.doc;return Be(this,(t=wt(r,null==t?r.first+r.size-1:t))+1,e).state},cursorCoords:function(t,e){var r=this.doc.sel.primary();return Xr(this,null==t?r.head:"object"==typeof t?kt(this.doc,t):t?r.from():r.to(),e||"page")},charCoords:function(t,e){return _r(this,kt(this.doc,t),e||"page")},coordsChar:function(t,e){return qr(this,(t=zr(this,t,e||"page")).left,t.top)},lineAtHeight:function(t,e){return t=zr(this,{top:t,left:0},e||"page").top,ft(this.doc,t+this.display.viewOffset)},heightAtLine:function(t,e,r){var i,n=!1;if("number"==typeof t){var s=this.doc.first+this.doc.size-1;t<this.doc.first?t=this.doc.first:t>s&&(t=s,n=!0),i=at(this.doc,t)}else i=t;return Gr(this,i,{top:0,left:0},e||"page",r||n).top+(n?this.doc.height-jt(i):0)},defaultTextHeight:function(){return $r(this.display)},defaultCharWidth:function(){return ti(this.display)},getViewport:function(){return{from:this.display.viewFrom,to:this.display.viewTo}},addWidget:function(t,e,r,i,n){var s=this.display,o=(t=Xr(this,kt(this.doc,t))).bottom,a=t.left;if(e.style.position="absolute",e.setAttribute("cm-ignore-events","true"),this.display.input.setUneditable(e),s.sizer.appendChild(e),"over"==i)o=t.top;else if("above"==i||"near"==i){var l=Math.max(s.wrapper.clientHeight,this.doc.height),c=Math.max(s.sizer.clientWidth,s.lineSpace.clientWidth);("above"==i||t.bottom+e.offsetHeight>l)&&t.top>e.offsetHeight?o=t.top-e.offsetHeight:t.bottom+e.offsetHeight<=l&&(o=t.bottom),a+e.offsetWidth>c&&(a=c-e.offsetWidth)}e.style.top=o+"px",e.style.left=e.style.right="","right"==n?(a=s.sizer.clientWidth-e.offsetWidth,e.style.right="0px"):("left"==n?a=0:"middle"==n&&(a=(s.sizer.clientWidth-e.offsetWidth)/2),e.style.left=a+"px"),r&&function(t,e){var r=ki(t,e);null!=r.scrollTop&&Oi(t,r.scrollTop),null!=r.scrollLeft&&Ni(t,r.scrollLeft)}(this,{left:a,top:o,right:a+e.offsetWidth,bottom:o+e.offsetHeight})},triggerOnKeyDown:qi(no),triggerOnKeyPress:qi(oo),triggerOnKeyUp:so,triggerOnMouseDown:qi(ho),execCommand:function(t){if(Ys.hasOwnProperty(t))return Ys[t].call(null,this)},triggerElectric:qi(function(t){No(this,t)}),findPosH:function(t,e,r,i){var n=1;e<0&&(n=-1,e=-e);for(var s=kt(this.doc,t),o=0;o<e&&!(s=Mo(this.doc,s,n,r,i)).hitSide;++o);return s},moveH:qi(function(t,e){var r=this;this.extendSelectionsBy(function(i){return r.display.shift||r.doc.extend||i.empty()?Mo(r.doc,i.head,t,e,r.options.rtlMoveVisually):t<0?i.from():i.to()},X)}),deleteH:qi(function(t,e){var r=this.doc.sel,i=this.doc;r.somethingSelected()?i.replaceSelection("",null,"+delete"):Xs(this,function(r){var n=Mo(i,r.head,t,e,!1);return t<0?{from:n,to:r.head}:{from:r.head,to:n}})}),findPosV:function(t,e,r,i){var n=1,s=i;e<0&&(n=-1,e=-e);for(var o=kt(this.doc,t),a=0;a<e;++a){var l=Xr(this,o,"div");if(null==s?s=l.left:l.left=s,(o=Po(this,l,n,r)).hitSide)break}return o},moveV:qi(function(t,e){var r=this,i=this.doc,n=[],s=!this.display.shift&&!i.extend&&i.sel.somethingSelected();if(i.extendSelectionsBy(function(o){if(s)return t<0?o.from():o.to();var a=Xr(r,o.head,"div");null!=o.goalColumn&&(a.left=o.goalColumn),n.push(a.left);var l=Po(r,a,t,e);return"page"==e&&o==i.sel.primary()&&Si(r,_r(r,l,"div").top-a.top),l},X),n.length)for(var o=0;o<i.sel.ranges.length;o++)i.sel.ranges[o].goalColumn=n[o]}),findWordAt:function(t){var e=this.doc,r=at(e,t.line).text,i=t.ch,n=t.ch;if(r){var s=this.getHelper(t,"wordChars");"before"!=t.sticky&&n!=r.length||!i?++n:--i;for(var o=r.charAt(i),a=et(o,s)?function(t){return et(t,s)}:/\s/.test(o)?function(t){return/\s/.test(t)}:function(t){return!/\s/.test(t)&&!et(t)};i>0&&a(r.charAt(i-1));)--i;for(;n<r.length&&a(r.charAt(n));)++n}return new 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this.tokens)t.id===n.kComment&&/(REM|')\s*[$]DYNAMIC\s*/.test(t.text)&&(this.dynamicFlag=!0);this.tokens=this.tokens.filter(t=>t.id!==n.kComment),t.setLocator(this)}currentLocation(){const t=this.tokenIndex-1;if(!(t<0||t>=this.tokens.length))return this.tokens[t].loc}defaultType(t,e){return g.basic(e)||this.defaultVarTypes.get(t[0])||b}currentBlock(){return this.openBlocks.length?this.openBlocks[this.openBlocks.length-1]:void 0}findBlock(t){for(let e=this.openBlocks.length-1;e>=0;e--){if(this.openBlocks[e].kind===t)return this.openBlocks[e]}}singleLineBlock(){const t=this.currentBlock();return void 0!==t&&t.singleLine}tok(t=0){return t+this.tokenIndex>=this.tokens.length?this.tokens[this.tokens.length-1]:this.tokens[t+this.tokenIndex]}next(t=1){this.tokenIndex+=t}error(t,e){e||(e=this.tok().loc),this.ctx.error(t,e)}nextIf(t){const e=this.tok();if(e.utext()===t)return this.next(),e}expectNewline(){const t=this.tok();if(t.isOp(":")||t.id===n.kNewline)return t.id===n.kNewline?(this.singleLineBlock()&&this.error("newline before END"),this.atNewline=!0,this.ctx.newline(this.tok().loc.line+1)):this.atNewline=!1,void this.next();this.isEof()||this.error("expected newline")}eatNewlines(){for(;this.tok().isOp(":")||this.tok().id===n.kNewline;)this.expectNewline()}eatUntilNewline(){for(;this.tok().id!==n.kNewline&&!this.tok().isOp(":")&&this.tok().id!==n.kEOF;)this.next()}expectIdent(t){const e=this.tok();if(e.id===n.kIdent&&(!t||e.utext()===t))return this.next(),e;this.error("expected "+(t||"ident"))}nextIdent(){const t=this.tok();if(t.id===n.kIdent)return this.next(),t}expectOp(t){const e=this.tok();if(e.id===n.kOp&&e.text===t)return this.next(),e;this.error("expected '"+t+"'")}isEof(){return this.tokenIndex>=this.tokens.length-1}isEol(){return this.tok().id===n.kNewline||this.tok().isOp(":")||this.isEof()}typename(){const t=this.expectIdent();if(t)return this.ctx.typename(t)}typeStmt(){this.expectIdent("TYPE");new k;const t=this.expectIdent();if(!t)return!1;const e=new g;for(e.type=s.kUserType,e.fields=[];!this.isEof();){if(this.eatNewlines(),this.nextIf("END"))return void(this.expectIdent("TYPE")&&this.ctx.defineType(t,e));const r=this.expectIdent();if(!r)return;if(!this.expectIdent("AS"))return;const i=this.typename();if(!i)return;e.fields.push(new d(r.text,i)),this.expectNewline()}}maybeLabel(){if(!this.tok(1).isOp(":"))return!1;if(this.tok(0).id!==n.kIdent)return!1;if(this.isReserved(this.tok(0).text))return!1;const t=this.expectIdent();return!!t&&(this.ctx.label(t),this.next(),!0)}maybeStringLiteral(){const t=this.tok();if(t.id===n.kString)return this.next(),k.newStringLiteral(t.text.substr(1,t.text.endsWith('"')?t.text.length-2:t.text.length-1))}abs(){this.expectIdent("ABS");const t=this.callArgsWithTypes([y]);if(t)return this.ctx.op("ABS",t)}maybeFunctionCall(){if(!this.tok(0).isIdent())return;const t=this.tok(0).text;let e,r,i=t;switch(this.tok(1).isSigil()?(i+=this.tok(1).text,r=u(this.tok(1).text),e=2):e=1,i.toUpperCase()){case"INSTR":{this.next();let t=this.callArgs(!0,2);if(!t)return;if(3===t.length){if(!(t=this.prepareArgs(t,[m,v,v])))return;return this.ctx.callBuiltin("INSTR",t)}if(2===t.length){if(!(t=this.prepareArgs(t,[v,v])))return;return this.ctx.callBuiltin("INSTR",[k.newNumberLiteral(1,m),...t])}return void this.error("wrong number of arguments")}case"STRING$":{this.next(e);const t=this.callArgs(!0,2);if(!t)return;return t[1].type===v?this.ctx.callBuiltin("STRING",t):this.ctx.callBuiltin("STRING",[t[0],this.ctx.callBuiltin("CHR",[t[1]])])}case"ASC":return this.callBuiltinWithTypes("ASC",m,[v]);case"ATN":return this.callBuiltinWithTypes("ATN",y,[y]);case"CDBL":return this.callBuiltinWithTypes("CDBL",y,[y]);case"CHR$":return this.callBuiltinWithTypes("CHR",v,[x]);case"CINT":return this.callBuiltinWithTypes("CINT",m,[y]);case"CLNG":return this.callBuiltinWithTypes("CLNG",x,[y]);case"COS":return this.callBuiltinWithTypes("COS",y,[y]);case"CSNG":return this.callBuiltinWithTypes("CSNG",b,[y]);case"EXP":return this.callBuiltinWithTypes("EXP",y,[y]);case"FIX":case"FIX":return this.callBuiltinWithTypes("FIX",y,[y]);case"FRE":return this.callBuiltinWithTypes("FRE",void 0,[y]);case"INKEY$":return this.callBuiltinWithTypes("INKEY",v,[]);case"INPUT$":return this.callBuiltinWithTypes("INPUT",v,[m]);case"INT":return this.callBuiltinWithTypes("INT",m,[y]);case"LCASE$":return this.callBuiltinWithTypes("LCASE",v,[v]);case"LEFT$":return this.callBuiltinWithTypes("LEFT",v,[v,x]);case"LEN":return this.callBuiltinWithTypes("LEN",m,[v]);case"LTRIM$":return this.callBuiltinWithTypes("LTRIM",v,[v]);case"MID$":return this.callBuiltinWithTypes("MID",v,[v,x,x],1);case"PEEK":return this.callBuiltinWithTypes("PEEK",m,[m]);case"RIGHT$":return this.callBuiltinWithTypes("RIGHT",v,[v,x]);case"RND":return this.callBuiltinWithTypes("RND",b,[m],0);case"RTRIM$":return this.callBuiltinWithTypes("RTRIM",v,[v]);case"SIN":return this.callBuiltinWithTypes("SIN",y,[y]);case"LOG":return this.callBuiltinWithTypes("LOG",y,[y]);case"SPACE$":return this.callBuiltinWithTypes("SPACE",v,[m]);case"STR$":return this.callBuiltinWithTypes("STR",v,[y]);case"TAN":return this.callBuiltinWithTypes("TAN",y,[y]);case"TIMER":return this.callBuiltinWithTypes("TIMER",y,[]);case"UCASE$":return this.callBuiltinWithTypes("UCASE",v,[v]);case"VAL":return this.callBuiltinWithTypes("VAL",y,[v])}{const t=this.maybeCallBuiltin();if(t)return t}const n=this.ctx.lookupFunction(t);if(!n)return;if(r&&g.basic(r)!==n.resultType)return void this.error("duplicate definition");this.next(e);const s=this.callArgsWithTypes(n.argTypes,n.argTypes.length-n.optionalParameters);return s?this.ctx.callFunction(t,s):void 0}maybeNumberLiteral(){let t=0;this.tok().isOp("-")&&(t=1);const e=this.tok(t);if(e.id!==n.kNumber)return;this.tokenIndex+=t+1;const r=new k;r.kind=w.kLiteral;const i=e.text,s=i.startsWith("&H");return!s&&i.includes("D")?(r.numberValue=parseFloat(i.replace("D","E")),r.type=y):!s&&i.includes("E")?(r.numberValue=parseFloat(i),r.type=b):!s&&i.includes(".")?(r.numberValue=parseFloat(i),r.type=b,this.tok().isOp("#")?(r.type=y,this.next()):this.tok().isOp("!")&&this.next()):(r.numberValue=s?parseInt(i.substr(2),16):parseInt(i,10),this.nextIf("#")?r.type=y:this.nextIf("!")?(r.type=b,this.next()):this.nextIf("%")?(r.type=m,this.next()):r.type=b),0!==t&&(r.numberValue=-r.numberValue),r}isModuleLevel(){return this.moduleCtx===this.ctx}expectModuleLevel(){this.isModuleLevel()||this.error("not in module level")}dataStmt(){this.expectIdent("DATA"),this.expectModuleLevel();const t=[];for(;;){let e=this.maybeStringLiteral()||this.maybeNumberLiteral();if(!e){if(this.tok().id!==n.kIdent)return this.error("expected data literal"),this.eatUntilNewline(),!0;(e=new k).stringValue=this.tok().text}if(t.push(e),!this.nextIf(","))break}this.ctx.data(t)}readStmt(){this.expectIdent("READ");const t=this.varRefsUntilNewline();return t&&this.ctx.read(t),!0}restoreStmt(){this.expectIdent("RESTORE");const t=this.labelOrLineNumber();void 0!==t&&this.ctx.restore(t)}maybeSigil(){const t=this.tok();if(t.id===n.kOp){const e=u(t.text);if(e!==s.kNone)return++this.tokenIndex,e}return s.kNone}maybeVarname(t){if(this.tok().id===n.kIdent)return this.varname(t)}maybeArrayReference(){if(this.tok().id!==n.kIdent)return;const t=this.tokenIndex,e=this.expectIdent(),r=this.maybeSigil();if(this.nextIf("(")&&this.nextIf(")"))return this.ctx.variable(e,r,void 0);this.tokenIndex=t}varname(t){const e=this.expectIdent();if(!e)return;const r=this.maybeSigil();let i=this.ctx.variable(e,r,this.defaultType(e.text,r));if(!t)return i;for(i&&this.tok().isOp("(")&&(i=this.ctx.index(i,this.arrayIndex()));i&&this.nextIf(".");){const t=this.expectIdent();if(!t)return;i=this.ctx.indexField(i,t)}return i}arrayIndex(){this.expectOp("(");const t=[];for(;!this.isEol();){const e=this.numericExpr();if(!e)break;if(t.push(e),this.nextIf(")"))return t;if(!this.expectOp(","))return[]}return this.expectOp(")"),[]}sizeOrRange(){if(this.tok().isIdent()&&!this.ctx.isConst(this.tok().text))return this.next(),[k.newUnspecifiedDimSize()];const t=this.numericExpr();if(t){if(this.nextIf("TO")){const e=this.numericExpr();return e?[t,e]:void this.error("expected number")}return[t]}this.error("expected number")}maybeArraySize(){if(!this.nextIf("("))return;const t=[];for(;;){const e=this.sizeOrRange();if(!e)return;if(t.push(e),!this.nextIf(","))break}return this.expectOp(")")?t:void 0}dimStmt(){const t=this.nextIf("REDIM");t||this.expectIdent("DIM");const e=this.nextIf("SHARED");for(;;){const r=this.expectIdent(),i=this.maybeSigil();if(!r)return;const n=this.maybeArraySize();let s=this.defaultType(r.text,i);if(this.nextIf("AS")){const t=this.typename();if(!t)return;s=t}if(this.ctx.dim(r,n,s,void 0!==e,void 0!==t||this.dynamicFlag),!this.nextIf(","))break}}expr6(){if(this.nextIf("(")){const t=this.expr();return this.expectOp(")")?t:void 0}if(this.tok().isIdent("ABS"))return this.abs();const t=this.nextIf("-"),e=this.maybeFunctionCall()||this.maybeVarname(!0)||this.maybeNumberLiteral()||this.maybeStringLiteral();if(e){if(t){if(!e.isLiteral()||!e.type.isNumeric())return this.ctx.op("-",[e]);e.numberValue=-e.numberValue}return e}this.error("expected value"),this.eatUntilNewline()}binaryExprTemplate(t,e){let r=e();for(;r;){const i=this.tok();let n=!1;for(const s of t)if(i.text.toUpperCase()===s){this.next();const t=e();if(!t)return;const s=this.ctx.op(i.text.toUpperCase(),[r,t]);if(!s)return;r=s,n=!0;break}if(!n)break}return r}exprL6(){for(;!this.isEol();){if(this.nextIf("NOT")){const t=this.exprL6();if(!t)return;return this.ctx.op("NOT",[t])}return this.expr1()}}expr(){return this.exprL1()}numericExpr(){const t=this.expr();if(!t||!t.type||t.type.isNumeric())return t;this.error("expected numeric")}stringExpr(){const t=this.expr();if(!t||!t.type||t.type.isString())return t;this.error("expected string expression")}printStmt(){if(this.nextIf("PRINT")||this.expectOp("?"),this.tok().isOp("#"))return void this.eatUntilNewline();if(this.nextIf("USING"))return void this.eatUntilNewline();const t=[];let e=!0;for(;!this.isEol();){if(this.tok().isOp(",")){this.next(),t.push(k.newCommaDelim()),e=!0;continue}if(this.tok().isOp(";")){this.next(),t.push(k.newSemicolonDelim()),e=!0;continue}if(!e)break;const r=this.expr();if(!r)return this.eatUntilNewline(),!0;t.push(r),e=!1}this.ctx.op("PRINT",t)}locateStmt(){let t,e,r,i,n;this.expectIdent("LOCATE"),this.tok().isOp(",")||this.isEol()||(t=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(e=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(r=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(i=this.numericExpr(),this.expectOp(","),n=this.numericExpr())))),this.ctx.locate(t,e)}letStmt(){this.nextIf("LET");const t=this.maybeVarname(!0);if(!t)return!1;if(this.expectOp("=")){const e=this.expr();if(!e)return!0;this.ctx.op("assign",[t,e])}return!0}clsStmt(){let t;this.expectIdent("CLS"),(this.isEol()||(t=this.numericExpr()))&&this.ctx.callBuiltin("CLS",[t])}declArgs(){if(!this.tok().isOp("("))return[];this.next();const t=[];for(;!this.isEol()&&!this.tok().isOp(")");){t.length&&this.expectOp(",");const e=this.expectIdent(),r=this.maybeSigil();let i=!1;this.nextIf("(")&&(i=!0,this.expectOp(")"));let n=g.basic(r),o=!1;if(this.nextIf("AS")){const t=this.typename();t&&r!==s.kNone&&t.type!==r?this.error("mismatched type"):t&&(n=t,o=!0)}if(n||(n=b),!e)break;t.push(this.ctx.declArg(e,i,n,o))}return this.expectOp(")"),t}ifStmt(){const t=this.expectIdent("IF");if(!t)return;const e=this.expr();if(!e)return;const r=this.singleLineBlock(),i=new I(t,"IF");if(i.singleLine=r,this.openBlocks.push(i),!this.expectIdent("THEN"))return;if(this.ctx.ifBegin(e),!i.singleLine&&this.tok().isNewlineOrColon())return;i.singleLine=!0;const n=()=>{let t=!0;for(;;){if(t&&this.tok().isNumber()){const t=this.tok(),e=this.labelOrLineNumber();"number"==typeof e&&this.ctx.gotoLine(e,t);break}if(this.tok().isIdent("ELSE")||this.tok().isIdent("ELSEIF"))break;if(this.statement(),!this.nextIf(":"))break;t=!1}};for(n();;)if(this.tok().isIdent("ELSE"))this.elseStmt(),n();else{if(!this.tok().isIdent("ELSEIF")){if(this.tok().isNewline())break;this.error("expected ELSE, ELSEIF, or newline");break}this.elseIfStmt(),n()}this.currentBlock()===i?(this.openBlocks.pop(),this.ctx.ifEnd()):this.error("cannot open block within single line if-statement")}elseStmt(){const t=this.expectIdent("ELSE");if(!t)return;const e=this.currentBlock();e&&"IF"===e.kind?e.usedElse?this.error("ELSE after ELSE",t.loc):this.ctx.elseBegin():this.error("ELSE without IF",t.loc)}elseIfStmt(){const t=this.expectIdent("ELSEIF");if(!t)return;const e=this.currentBlock();if(!e||"IF"!==e.kind)return void this.error("ELSEIF without IF",t.loc);if(e.usedElse)return void this.error("ELSEIF after ELSE",t.loc);const r=this.expr();r&&(this.expectIdent("THEN"),this.ctx.elseBegin(r))}selectStmt(){const t=this.expectIdent("SELECT"),e=t&&this.expectIdent("CASE")&&this.expr();e&&(this.openBlocks.push(new I(t,"SELECT")),this.ctx.selectBegin(e))}caseStmt(){this.expectIdent("CASE");const t=this.currentBlock();if(t&&"SELECT"===t.kind)if(t.usedElse)this.error("CASE ELSE must be last");else if(this.nextIf("ELSE"))t.usedElse=!0,this.ctx.selectCaseElse();else{const t=[];do{if(this.nextIf("IS")){if(!(this.tok().isOp("<")||this.tok().isOp(">")||this.tok().isOp("=")||this.tok().isOp(">=")||this.tok().isOp("<=")))return void this.error("expected comparison operator");const e=this.tok();this.next();const r=this.expr();if(!r)return;const i=new T;i.isExpr=[e,r],t.push(i);continue}const e=this.expr();if(!e)return;if(this.nextIf("TO")){const r=this.expr();if(!r)return;const i=new T;i.range=[e,r],t.push(i)}else{const r=new T;r.single=e,t.push(r)}}while(this.nextIf(","));this.ctx.selectCase(t)}else this.error("CASE without SELECT")}screenStmt(){let t,e,r,i;this.expectIdent("SCREEN"),this.tok().isOp(",")||this.isEol()||(t=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(e=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(r=this.numericExpr()),this.nextIf(",")&&!this.isEol()&&(this.tok().isOp(",")||(i=this.numericExpr())))),this.ctx.callBuiltin("SCREEN",[t,e,r,i])}letter(){if(!this.tok(0).isIdent())return void this.error("expected letter");const t=this.tok(0).text;if(/[A-Z]/.test(t))return this.next(),t;this.error("expected letter")}letterRange(){const t=this.letter();if(!t)return;if(!this.nextIf("-"))return new Set([t]);const e=this.letter();if(!e)return;if(e.charCodeAt(0)<t.charCodeAt(0))return void this.error("invalid range");const r=new Set;for(let i=t.charCodeAt(0);i<=e.charCodeAt(0);i++)r.add(String.fromCharCode(i));return r}letterRanges(){let t;for(;;){const e=this.letterRange();if(!e)return;if(t)for(const r of e)t.add(r);else t=e;if(!this.nextIf(","))return t}}defABCStmt(){let t;switch(this.tok().utext()){case"DEFINT":t=m;break;case"DEFLNG":t=x;break;case"DEFSNG":t=b;break;case"DEFDBL":t=y;break;case"DEFSTR":t=v;break;default:return void this.error("expected DEFXYZ")}this.next();const e=this.letterRanges();if(e)for(const r of e)this.defaultVarTypes.set(r,t)}colorStmt(){let t,e;this.expectIdent("COLOR"),this.tok().isOp(",")||(t=this.numericExpr()),this.nextIf(",")&&(this.tok().isOp(",")||this.isEol()||(e=this.numericExpr()),this.nextIf(",")&&this.numericExpr()),this.ctx.color(t,e)}paletteStmt(){if(this.expectIdent("PALETTE"),this.tok().isNewlineOrColon())return void this.ctx.palette();const t=this.numericExpr();this.expectOp(","),this.ctx.palette(t,this.numericExpr())}subStmt(){const t=this.expectIdent("SUB");if(!t)return;this.expectModuleLevel(),this.isEnd=!0;const e=this.expectIdent();if(!e)return;const r=this.ctx.sub(e,this.declArgs());this.ctx=r,this.nextIf("STATIC"),this.openBlocks.push(new I(t,"SUB"))}functionStmt(){const t=this.expectIdent("FUNCTION");if(!t)return;this.expectModuleLevel(),this.isEnd=!0;const e=this.expectIdent();if(!e)return;const r=this.maybeSigil(),i=this.ctx.functionBegin(e,r,this.defaultType(e.text,r),this.declArgs(),!1);this.ctx=i,this.openBlocks.push(new I(t,"FUNCTION"))}declareStmt(){if(this.expectIdent("DECLARE"),this.expectModuleLevel(),this.nextIf("SUB")){const t=this.expectIdent();if(!t)return;this.ctx.declSub(t,this.declArgs())}else if(this.nextIf("FUNCTION")){const t=this.expectIdent();if(!t)return;const e=this.maybeSigil();this.ctx.declFunction(t,e,this.defaultType(t.text,e),this.declArgs())}else this.error("expected SUB or FUNCTION")}defStmt(){if(this.expectIdent("DEF"),this.nextIf("SEG"))return void this.eatUntilNewline();if("fn"!==this.tok().text.substr(0,2).toLowerCase())return void this.error("unknown command");const t=this.nextIdent();if(!t)return;const e=this.maybeSigil();this.expectModuleLevel();const r=this.ctx.functionBegin(t,e,this.defaultType(t.text,e),this.declArgs(),!0);this.expectOp("="),this.ctx=r;const i=this.ctx.variable(t,e,void 0);if(!i)return;const n=this.expr();n&&(this.ctx.op("assign",[i,n]),this.ctx.endFunction(),this.ctx=this.moduleCtx)}checkArgTypes(t,e){if(t.length!==e.length)return this.error(`expected ${e.length} arguments`),!1;for(let r=0;r<t.length;r++){if(e[r].isNumeric()&&(!t[r].type||!t[r].type.isNumeric()))return this.error(`expected numeric for argument ${r+1}`),!1;if(e[r].isString()&&(!t[r].type||!t[r].type.isString()))return this.error(`expected string for argument ${r+1}`),!1}return!0}prepareArgs(t,e){if(t.length===e.length){for(let r=0;r<t.length;r++){if(e[r].isNumeric()&&(!t[r].type||!t[r].type.isNumeric()))return void this.error(`expected numeric for argument ${r+1}`);if(e[r].isString()&&(!t[r].type||!t[r].type.isString()))return void this.error(`expected string for argument ${r+1}`)}return t}this.error(`expected ${e.length} arguments`)}callBuiltinWithTypes(t,e,r,i=-1){if(this.next(),e){const t=f(e.type);""!==t&&this.nextIf(t)}const n=this.callArgsWithTypes(r,i);if(n)return this.ctx.callBuiltin(t,n)}callArgsWithTypes(t,e=-1){-1===e&&(e=t.length);const r=this.callArgs(!0,e);if(r&&!(r.length>t.length)){if(!(r.length<e)){for(let e=0;e<r.length;e++){if(t[e].isNumeric()&&(!r[e].type||!r[e].type.isNumeric()))return void this.error(`expected numeric for argument ${e+1}`);if(t[e].isString()&&(!r[e].type||!r[e].type.isString()))return void this.error(`expected string for argument ${e+1}`)}return r}this.error(`expected ${e} arguments`)}}callArgs(t,e=-1){if(t&&!this.tok().isOp("("))return e>=1&&this.error(`expected ${e} arguments`),[];t&&this.expectOp("(");const r=[];for(;;){if(t?this.tok().isOp(")"):this.isEol())return e>=0&&r.length<e?(this.error(`expected ${e} arguments`),r):(t&&this.expectOp(")"),r);if(this.isEol())break;const i=this.maybeArrayReference()||this.expr();if(!i)return;if(r.push(i),t?!this.tok().isOp(")"):!this.isEol()){if(!this.tok().isOp(","))return this.error("expected ',' or )"),r;this.next()}}return this.error("expected argument"),r}argsUntilNewline(){const t=[];for(;!this.isEol();){if(!this.expr())return;if(t.push(),this.isEol())return this.expectNewline(),t;if(!this.tok().isOp(","))return this.error("expected ',' or newline"),t}return this.expectNewline(),t}varRefsUntilNewline(){const t=[];for(;!this.isEol();){switch(this.tok().utext()){case"END":case"ELSE":case"ELSEIF":return t}const e=this.maybeVarname(!0);if(!e)return void this.expectIdent();if(t.push(e),this.isEol())return t;if(!this.expectOp(","))return}return t}maybeCallBuiltin(){switch(this.tok().utext()){case"POINT":return this.pointFunction();default:return}}maybeCallSubStmt(){const t=this.nextIf("CALL");if(!this.tok().isIdent())return!!t&&(this.error("expected identifier"),!0);const e=this.tok(),r=e.utext();switch(r){case"__LOG":return this.callBuiltinWithTypes("__LOG",void 0,[v]),!0}if(!this.ctx.isSub(r))return!1;this.next();const i=this.callArgs(!!t);return i&&this.ctx.callSub(e,i),!0}inputStmt(){this.expectIdent("INPUT");let t,e=!1;if(this.tok().isOp(";")&&(this.next(),e=!0),this.tok().isString())if(t=this.tok().stringVal(),this.next(),this.tok().isOp(";"))t+="? ",this.next();else{if(!this.tok().isOp(","))return this.error("expected ; or ,"),this.eatUntilNewline(),!0;this.next()}else t="? ";const r=this.varRefsUntilNewline();return r&&this.ctx.input(e,t,r),!0}maybeLabels(){let t=!1;return this.tok().isNumber()&&/^[0-9]+$/.test(this.tok().text)&&(this.ctx.lineNumber(parseInt(this.tok().text,10),this.tok()),this.next(),t=!0),this.maybeLabel()||t}gotoStmt(){if(this.expectIdent("GOTO"),this.tok().isNumber()&&/^[0-9]+$/.test(this.tok().text))this.ctx.gotoLine(parseInt(this.tok().text,10),this.tok()),this.next();else{const t=this.expectIdent();t&&this.ctx.gotoLabel(t)}}labelOrLineNumber(){if(this.tok().isNumber()&&/^[0-9]+$/.test(this.tok().text)){const t=parseInt(this.tok().text,10);return this.next(),t}{const t=this.expectIdent();if(t)return t.text}this.error("expected line number or label")}gosubStmt(){this.expectIdent("GOSUB");const t=this.tok(),e=this.labelOrLineNumber();void 0!==e&&this.ctx.gosub(t,e)}returnStmt(){let t,e;this.expectIdent("RETURN"),(this.isEol()||(e=this.tok(),void 0!==(t=this.labelOrLineNumber())))&&this.ctx.goReturn(e,t)}nextStmt(){this.expectIdent("NEXT");const t=this.currentBlock();if(!t||"FOR"!==t.kind)return void this.error("next without for");const e=t.forLabel;if(this.tok().isNewlineOrColon())return this.ctx.forEnd(),void this.openBlocks.pop();const r=this.maybeVarname();r&&(r.varName!==e?this.error("NEXT variable does not match FOR"):(this.ctx.forEnd(),this.openBlocks.pop()))}forStmt(){const t=this.expectIdent("FOR");if(!t)return;const e=this.varname();if(!e)return;this.expectOp("=");const r=this.numericExpr();if(!r)return;if(!this.expectIdent("TO"))return;const i=this.numericExpr();if(!i)return;let n;this.nextIf("STEP")&&(n=this.numericExpr()),this.ctx.forBegin(e,r,i,n);const s=e.varName,o=new I(t,"FOR");return o.forLabel=s,this.openBlocks.push(o),!0}doStmt(){const t=this.expectIdent("DO");if(!t)return;this.ctx.doBegin();let e=O;if(this.nextIf("UNTIL")){const t=this.expr();if(!t)return;e=this.ctx.op("LNOT",[t])}else if(this.nextIf("WHILE")){const t=this.expr();if(!t)return;e=t}e&&(this.openBlocks.push(new I(t,"DO")),this.ctx.doWhileCond(e))}loopStmt(){this.expectIdent("LOOP");const t=this.currentBlock();if(!t||"DO"!==t.kind)return void this.error("LOOP without DO");this.openBlocks.pop();let e=L;if(this.nextIf("UNTIL")){const t=this.expr();if(!t)return;e=t}else if(this.nextIf("WHILE")){const t=this.expr();if(!t)return;e=this.ctx.op("LNOT",[t])}e&&this.ctx.doEnd(e)}whileStmt(){const t=this.expectIdent("WHILE");if(!t)return;this.openBlocks.push(new I(t,"WHILE")),this.ctx.whileBegin();const e=this.expr();e&&this.ctx.whileCond(e)}wendStmt(){this.expectIdent("WEND");const t=this.currentBlock();t&&"WHILE"===t.kind?(this.ctx.wend(),this.openBlocks.pop()):this.error("WEND without WHILE")}exitStmt(){if(this.expectIdent("EXIT"),this.currentBlock())switch(this.tok().utext()){case"FOR":if(this.expectIdent("FOR"),!this.findBlock("FOR")){this.error("EXIT FOR without FOR");break}this.ctx.forExit();break;case"DO":if(this.expectIdent("DO"),!this.findBlock("DO")){this.error("EXIT DO without DO");break}this.ctx.doExit();break;case"SUB":if(this.expectIdent("SUB"),!this.findBlock("SUB")){this.error("EXIT SUB without SUB");break}this.ctx.subExit();break;case"FUNCTION":if(this.expectIdent("FUNCTION"),!this.findBlock("FUNCTION")){this.error("EXIT FUNCTION without FUNCTION");break}this.ctx.functionExit()}else this.error("EXIT without FOR, DO, or SUB")}swapStmt(){this.expectIdent("SWAP");const t=this.varname(!0);if(!t)return;if(!this.expectOp(","))return;const e=this.varname(!0);e&&this.ctx.op("SWAP",[t,e])}coord(t=!0){let e=!1;if(t&&this.nextIf("STEP")&&(e=!0),!this.tok().isOp("("))return void(e&&this.error("expected (coordinate)"));this.next();const r=this.numericExpr();this.expectOp(",");const i=this.numericExpr();return this.expectOp(")"),r&&i?new E(e,r,i):void 0}psetStmt(){const t=this.nextIf("PRESET");t||this.expectIdent("PSET");const e=this.coord();if(!e)return;let r;this.tok().isOp(",")&&(this.next(),this.tok().isOp(",")||(r=this.numericExpr())),t&&void 0===r?this.ctx.preset(e):this.ctx.pset(e,r)}pointFunction(){if(this.expectIdent("POINT"),!this.expectOp("("))return;const t=this.numericExpr();if(t){if(this.nextIf(",")){const e=this.numericExpr();if(!e)return;return this.expectOp(")"),this.ctx.callBuiltin("POINT",[t,e])}return this.expectOp(")"),this.ctx.callBuiltin("CURRENT_POINT",[t])}}chainStmt(){this.expectIdent("CHAIN"),this.stringExpr()}soundStmt(){this.expectIdent("SOUND");const t=this.numericExpr();if(!t)return;this.expectOp(",");const e=this.numericExpr();e&&this.ctx.callBuiltin("SOUND",[t,e])}chdirStmt(){this.expectIdent("CHDIR"),this.stringExpr()}viewStmt(){if(this.expectIdent("VIEW"),this.nextIf("PRINT")){if(this.isEol())return void this.ctx.callBuiltin("VIEW_PRINT",[void 0,void 0]);const t=this.numericExpr();if(!t)return;this.expectIdent("TO");const e=this.numericExpr();if(!e)return;return void this.ctx.callBuiltin("VIEW_PRINT",[t,e])}const t=this.nextIf("SCREEN"),e=this.coord(!1);if(!e)return;this.expectOp("-");const r=this.coord(!1);if(!r)return;let i,n;if(this.nextIf(",")){if(!this.tok().isOp(",")&&!(i=this.numericExpr()))return;if(this.nextIf(",")&&!(n=this.numericExpr()))return}this.ctx.callBuiltin("VIEW",[void 0!==t,e.x,e.y,r.x,r.y,i,n])}lineInputStmt(){const t=this.nextIf(";");let e;if(this.tok().isString()){if(!(e=this.stringExpr()))return;this.expectOp(";")}const r=this.varname();r&&this.ctx.callBuiltin("LINE_INPUT",[k.newNumberLiteral(void 0!==t?1:0,m),e,r])}lineStmt(){if(this.expectIdent("LINE"),this.nextIf("INPUT"))return void this.lineInputStmt();let t;if(this.nextIf("-"))t=new E(!0,k.newNumberLiteral(0,m),k.newNumberLiteral(0,m));else if(t=this.coord(),this.expectOp("-"),!t)return;const e=this.coord();if(!e)return;let r,i,n="";if(this.tok().isOp(",")){if(this.next(),!this.tok().isOp(",")&&!(r=this.numericExpr()))return;if(this.tok().isOp(",")&&(this.next(),this.nextIf("B")?n="B":this.nextIf("BF")?n="BF":this.tok().isOp(",")||this.error("expected B, BF, or ','"),this.tok().isOp(",")&&(this.next(),!(i=this.numericExpr()))))return}this.ctx.line(t,e,r,n,i)}drawStmt(){this.expectIdent("DRAW");const t=this.stringExpr();t&&this.ctx.draw(t)}getStmt(){this.expectIdent("GET");const t=this.coord();this.expectOp("-");const e=this.coord();if(!t||!e)return;if(!this.expectOp(","))return;const r=this.expectIdent();if(!r)return;const i=this.maybeSigil();this.ctx.getGraphics(t,e,r,i)}putStmt(){this.expectIdent("PUT");const t=this.coord();if(!t)return;if(!this.expectOp(","))return;const e=this.expectIdent();if(!e)return;const r=this.maybeSigil();let i="PSET";if(this.nextIf(",")){const t=this.expectIdent();if(!t)return;if(["PSET","PRESET","AND","OR","XOR"].indexOf(t.utext())<0)return void this.error("expected PUT actionverb");i=t.utext()}this.ctx.putGraphics(t,e,r,i)}circleStmt(){this.expectIdent("CIRCLE");const t=this.coord();if(!t)return;this.expectOp(",");const e=this.numericExpr();if(!e)return;let r,i,n,s;const o=()=>!this.isEol()&&!this.tok().isOp(",");if(this.nextIf(",")){if(o()&&!(r=this.numericExpr()))return;if(this.nextIf(",")){if(o()&&!(i=this.numericExpr()))return;if(this.nextIf(",")){if(o()&&!(n=this.numericExpr()))return;if(this.nextIf(",")&&!(s=this.numericExpr()))return}}}this.ctx.circle(t,e,r,i,n,s)}paintStmt(){this.expectIdent("PAINT");const t=this.coord();if(!t)return;let e,r,i;if(this.nextIf(",")){if(!this.tok().isOp(",")&&!(e=this.numericExpr()))return;if(this.nextIf(",")){if(!this.tok().isOp(",")&&!(r=this.numericExpr()))return;if(this.nextIf(",")&&!(i=this.stringExpr()))return}}this.ctx.paint(t,e,r,i)}onStmt(){if(this.expectIdent("ON"),this.nextIf("ERROR")){this.expectIdent("GOTO");const t=this.tok(),e=this.labelOrLineNumber();if(!e)return;this.ctx.onErrorGoto(e,t)}}resumeStmt(){if(this.expectIdent("RESUME"),this.nextIf("NEXT"))return void this.ctx.resumeNext();if(this.isEol())return void this.ctx.resume();const t=this.tok(),e=this.labelOrLineNumber();e&&this.ctx.resumeGoto(e,t)}sleepStmt(){this.expectIdent("SLEEP"),this.isEol()?this.ctx.callBuiltin("SLEEP",[void 0]):this.ctx.callBuiltin("SLEEP",[this.numericExpr()])}constStmt(){this.expectIdent("CONST");do{const t=this.expectIdent();if(!t)return;const e=this.maybeSigil();this.expectOp("=");const r=this.expr();if(!r)return;this.ctx.declConst(t,e,r)}while(this.nextIf(","))}randomizeStmt(){this.expectIdent("RANDOMIZE");const t=this.numericExpr();t&&this.ctx.randomize(t)}endStmt(){switch(this.expectIdent("END"),this.tok().utext()){case"SUB":{this.next();const t=this.currentBlock();if(!t||"SUB"!==t.kind)return void this.error("END SUB without SUB");this.ctx.endSub(),this.ctx=this.moduleCtx,this.openBlocks.pop();break}case"FUNCTION":{this.next();const t=this.currentBlock();if(!t||"FUNCTION"!==t.kind)return void this.error("END FUNCTION without FUNCTION");this.ctx.endFunction(),this.ctx=this.moduleCtx,this.openBlocks.pop();break}case"IF":{this.next();const t=this.currentBlock();if(!t||"IF"!==t.kind)return void this.error("END IF without IF");this.ctx.ifEnd(),this.openBlocks.pop();break}case"SELECT":{this.next();const t=this.currentBlock();if(!t||"SELECT"!==t.kind)return void this.error("END SELECT without SELECT");this.ctx.selectEnd(),this.openBlocks.pop();break}default:this.ctx.end()}}isReserved(t){switch(t.toUpperCase()){case"DECLARE":case"SUB":case"FUNCTION":case"IF":case"ELSE":case"ELSEIF":case"SCREEN":case"DEFINT":case"DEFSTR":case"DEFSNG":case"DEFLNG":case"DEFDBL":case"SELECT":case"CASE":case"GOSUB":case"RETURN":case"FOR":case"NEXT":case"EXIT":case"SWAP":case"COLOR":case"PRINT":case"?":case"LINE":case"DRAW":case"GET":case"PUT":case"GOTO":case"LOCATE":case"PALETTE":case"SLEEP":case"REDIM":case"DIM":case"INPUT":case"CLS":case"CIRCLE":case"PAINT":case"PRESET":case"PSET":case"DO":case"TYPE":case"LOOP":case"WHILE":case"WEND":case"CONST":case"RANDOMIZE":case"END":case"DATA":case"READ":case"BEEP":case"RESTORE":case"DEF":case"ON":case"RESUME":case"VIEW":case"CHAIN":case"SOUND":case"KEY":case"CLOSE":case"OPEN":case"PLAY":case"WIDTH":case"POKE":case"DEF":return!0;default:return!1}}statement(){if(this.isEof())return!1;const t=this.atNewline&&!this.singleLineBlock()&&this.maybeLabels();for(;;){const e=this.isModuleLevel();if(this.isEnd&&e&&"SUB"!==this.tok().utext()&&"FUNCTION"!==this.tok().utext())return this.error("expected SUB, FUNCTION, or EOF"),!1;let r=!0;switch(this.ctx.newStmt(),this.tok().utext()){case"DECLARE":this.declareStmt();break;case"SUB":this.subStmt();break;case"FUNCTION":this.functionStmt();break;case"IF":this.ifStmt();break;case"ELSE":this.elseStmt();break;case"ELSEIF":this.elseIfStmt();break;case"SCREEN":this.screenStmt();break;case"DEFINT":case"DEFSTR":case"DEFSNG":case"DEFLNG":case"DEFDBL":this.defABCStmt();break;case"SELECT":this.selectStmt();break;case"CASE":this.caseStmt();break;case"GOSUB":this.gosubStmt();break;case"RETURN":this.returnStmt();break;case"FOR":this.forStmt();break;case"NEXT":this.nextStmt();break;case"EXIT":this.exitStmt();break;case"SWAP":this.swapStmt();break;case"COLOR":this.colorStmt();break;case"PRINT":case"?":this.printStmt();break;case"LINE":this.lineStmt();break;case"DRAW":this.drawStmt();break;case"GET":this.getStmt();break;case"PUT":this.putStmt();break;case"GOTO":this.gotoStmt();break;case"LOCATE":this.locateStmt();break;case"PALETTE":this.paletteStmt();break;case"SLEEP":this.sleepStmt();break;case"REDIM":case"DIM":this.dimStmt();break;case"INPUT":this.inputStmt();break;case"CLS":this.clsStmt();break;case"CIRCLE":this.circleStmt();break;case"PAINT":this.paintStmt();break;case"PRESET":case"PSET":this.psetStmt();break;case"DO":this.doStmt();break;case"TYPE":this.typeStmt();break;case"LOOP":this.loopStmt();break;case"WHILE":this.whileStmt();break;case"WEND":this.wendStmt();break;case"CONST":this.constStmt();break;case"RANDOMIZE":this.randomizeStmt();break;case"END":this.endStmt();break;case"DATA":this.dataStmt();break;case"READ":this.readStmt();break;case"BEEP":this.expectIdent(),this.ctx.callBuiltin("BEEP",[]);break;case"RESTORE":this.restoreStmt();break;case"DEF":this.defStmt();break;case"ON":this.onStmt();break;case"RESUME":this.resumeStmt();break;case"VIEW":this.viewStmt();break;case"CHAIN":this.chainStmt();break;case"SOUND":this.soundStmt();break;case"CHDIR":this.chdirStmt();break;case"OUT":case"KEY":case"CLOSE":case"OPEN":case"PLAY":case"WIDTH":case"POKE":this.eatUntilNewline();break;case"DEF":this.expectIdent("DEF"),this.expectIdent("SEG"),this.eatUntilNewline();break;default:r=!1}if(r)break;if(this.maybeCallSubStmt())break;if(this.letStmt())break;if(t)break;return this.error("expected statement"),!1}return this.ctx.endStmt(),!0}statementAndNewline(){if(!this.statement())return this.eatUntilNewline(),void this.next();this.expectNewline()}program(){for(;!this.isEof();)this.eatNewlines(),this.statementAndNewline();if(this.openBlocks.length){const t=this.openBlocks[this.openBlocks.length-1];this.error(`${t.kind} without END`,t.beginToken.loc)}this.ctx.finalize()}}var A=r(1);const D=2147483648;var R,M,P,V;!function(t){t[t.kLine=0]="kLine",t[t.kBox=1]="kBox",t[t.kFilledBox=2]="kFilledBox"}(R||(R={})),function(t){t[t.kPset=0]="kPset",t[t.kPreset=1]="kPreset",t[t.kAnd=2]="kAnd",t[t.kOr=3]="kOr",t[t.kXor=4]="kXor"}(M||(M={})),function(t){t[t.kMove=0]="kMove",t[t.kMoveXY=1]="kMoveXY",t[t.kRotation=2]="kRotation",t[t.kTurn=3]="kTurn",t[t.kColor=4]="kColor",t[t.kScale=5]="kScale",t[t.kPaint=6]="kPaint"}(P||(P={}));class B{getPosition(t,e,r,i){const n=(n,s)=>{const[o,a]=[Math.cos(r),Math.sin(r)];return[t+i*(n*o-s*a),e+i*(n*a+s*o)]};if(this.id===P.kMoveXY){if(this.c){const[t,e]=[this.a,this.b];return n(t,e)}return[this.a,this.b]}if(this.id===P.kMove){const t=this.b;switch(this.a){case 0:return n(0,-t);case 1:return n(t,-t);case 2:return n(t,0);case 3:return n(t,t);case 4:return n(0,t);case 5:return n(-t,t);case 6:return n(-t,0);case 7:return n(-t,-t)}throw new A.AssertionError({message:"invalid draw instruction"})}throw new A.AssertionError}}class F{print(t){throw new Error("not implemented")}input(t){throw new Error("not implemented")}setForeColor(t){throw new Error("not implemented")}foreColor(){throw new Error("not implemented")}setBackColor(t){throw new Error("not implemented")}backColor(){throw new Error("not implemented")}line(t,e,r,i,n,s,o){throw new Error("not implemented")}circle(t,e,r,i){throw new Error("not implemented")}paint(t,e,r,i){throw new Error("not implemented")}draw(t,e,r){throw new Error("not implemented")}pset(t,e,r){throw new Error("not implemented")}point(t,e){throw new Error("not implemented")}locate(t,e){throw new Error("not implemented")}screen(){throw new Error("not implemented")}resetPalette(){throw new Error("not implemented")}setPaletteAttribute(t,e){throw new Error("not implemented")}sleep(t,e){throw new Error("not implemented")}inkey(){throw new Error("not implemented")}inkeyWait(t,e){throw new Error("not implemented")}cls(){throw new Error("not implemented")}clsGraphics(){throw new Error("not implemented")}clsText(){throw new Error("not implemented")}getGraphics(t,e,r,i,n){}putGraphics(t,e,r,i){}screenLines(){throw new Error("not implemented")}setViewPrint(t,e){throw new Error("not implemented")}setView(){throw new Error("not implemented")}}!function(t){t[t.ADDRESS=0]="ADDRESS",t[t.INPUT=1]="INPUT",t[t.LINE_INPUT=2]="LINE_INPUT",t[t.INPUT_FUNC=3]="INPUT_FUNC",t[t.TO_INT=4]="TO_INT",t[t.TO_LONG=5]="TO_LONG",t[t.TO_SINGLE=6]="TO_SINGLE",t[t.TO_DOUBLE=7]="TO_DOUBLE",t[t.BRANCH_IFNOT=8]="BRANCH_IFNOT",t[t.BRANCH=9]="BRANCH",t[t.CALL_SUB=10]="CALL_SUB",t[t.GOSUB=11]="GOSUB",t[t.CALL_FUNCTION=12]="CALL_FUNCTION",t[t.EXIT_SUB=13]="EXIT_SUB",t[t.RETURN=14]="RETURN",t[t.DECLARE=15]="DECLARE",t[t.DECLARE_REDIM=16]="DECLARE_REDIM",t[t.LOAD=17]="LOAD",t[t.ASSIGN=18]="ASSIGN",t[t.COPY=19]="COPY",t[t.ADD=20]="ADD",t[t.SUB=21]="SUB",t[t.NEG=22]="NEG",t[t.MUL=23]="MUL",t[t.DIV=24]="DIV",t[t.POW=25]="POW",t[t.IDIV=26]="IDIV",t[t.MOD=27]="MOD",t[t.EQ=28]="EQ",t[t.NEQ=29]="NEQ",t[t.GTE=30]="GTE",t[t.LTE=31]="LTE",t[t.LT=32]="LT",t[t.GT=33]="GT",t[t.OR=34]="OR",t[t.AND=35]="AND",t[t.XOR=36]="XOR",t[t.NOT=37]="NOT",t[t.LOGICNOT=38]="LOGICNOT",t[t.PRINT=39]="PRINT",t[t.LOCATE=40]="LOCATE",t[t.ABS=41]="ABS",t[t.MID=42]="MID",t[t.PEEK=43]="PEEK",t[t.RIGHT=44]="RIGHT",t[t.LEFT=45]="LEFT",t[t.CHR=46]="CHR",t[t.ASC=47]="ASC",t[t.RND=48]="RND",t[t.INT=49]="INT",t[t.FIX=50]="FIX",t[t.END=51]="END",t[t.COLOR=52]="COLOR",t[t.PALETTE=53]="PALETTE",t[t.GET_DRAW_POS=54]="GET_DRAW_POS",t[t.LINE=55]="LINE",t[t.CIRCLE=56]="CIRCLE",t[t.PAINT=57]="PAINT",t[t.DRAW=58]="DRAW",t[t.GET_GRAPHICS=59]="GET_GRAPHICS",t[t.PUT_GRAPHICS=60]="PUT_GRAPHICS",t[t.PSET=61]="PSET",t[t.PRESET=62]="PRESET",t[t.POINT=63]="POINT",t[t.CURRENT_POINT=64]="CURRENT_POINT",t[t.CLS=65]="CLS",t[t.SCREEN=66]="SCREEN",t[t.SLEEP=67]="SLEEP",t[t.INKEY=68]="INKEY",t[t.VAL=69]="VAL",t[t.STR=70]="STR",t[t.TAN=71]="TAN",t[t.SIN=72]="SIN",t[t.LOG=73]="LOG",t[t.COS=74]="COS",t[t.ATN=75]="ATN",t[t.CINT=76]="CINT",t[t.CLNG=77]="CLNG",t[t.CDBL=78]="CDBL",t[t.CSNG=79]="CSNG",t[t.EXP=80]="EXP",t[t.TIMER=81]="TIMER",t[t.RANDOMIZE=82]="RANDOMIZE",t[t.READ=83]="READ",t[t.RESTORE=84]="RESTORE",t[t.LEN=85]="LEN",t[t.LTRIM=86]="LTRIM",t[t.RTRIM=87]="RTRIM",t[t.LCASE=88]="LCASE",t[t.UCASE=89]="UCASE",t[t.INSTR=90]="INSTR",t[t.SPACE=91]="SPACE",t[t.DEBUGLOG=92]="DEBUGLOG",t[t.ON_ERROR_GOTO=93]="ON_ERROR_GOTO",t[t.RESUME=94]="RESUME",t[t.RESUME_NEXT=95]="RESUME_NEXT",t[t.RESUME_GOTO=96]="RESUME_GOTO",t[t.VIEW=97]="VIEW",t[t.VIEW_PRINT=98]="VIEW_PRINT",t[t.STRING=99]="STRING",t[t.NOP=100]="NOP"}(V||(V={}));const U=new Set([V.TO_INT,V.TO_LONG,V.TO_SINGLE,V.TO_DOUBLE,V.ASSIGN,V.COPY,V.ADD,V.SUB,V.NEG,V.MUL,V.DIV,V.POW,V.IDIV,V.MOD,V.EQ,V.NEQ,V.GTE,V.LTE,V.LT,V.GT,V.OR,V.AND,V.XOR,V.NOT,V.LOGICNOT,V.ABS,V.MID,V.RIGHT,V.LEFT,V.CHR,V.ASC,V.INT,V.FIX,V.STR,V.TAN,V.SIN,V.LOG,V.COS,V.ATN,V.CINT,V.CLNG,V.CDBL,V.CSNG,V.EXP]),W=new Set([V.BRANCH_IFNOT,V.BRANCH,V.CALL_SUB,V.GOSUB,V.CALL_FUNCTION,V.RETURN,V.ON_ERROR_GOTO,V.RESUME_GOTO]),H=32767,G=-32768,z=2147483647,_=-2147483648;class X{constructor(t,e){this.type=t,this.stackOffset=e}}class j{constructor(t,e,r){this.keepCursor=t,this.prompt=e,this.inputs=r}parseInput(t){const e=[];let r=!0;for(const i of this.inputs){if(t=t.trim(),!r){if(","!==t[0])return;t=t.substr(1).trim()}switch(r=!1,i.type){case s.kString:{const r=/[^,]*/.exec(t);if(!r)return;e.push(J.single(v,r[0])),t=t.substr(r[0].length);break}case s.kInt:{const r=/[+-]?[0-9]*/.exec(t);if(!r)return;const i=parseInt(r[0],10);if(i>H||i<G)return;e.push(J.newInt(i)),t=t.substr(r[0].length);break}case s.kLongInt:{const r=/[+-]?[0-9]*/.exec(t);if(!r)return;const i=parseInt(r[0],10);if(i>z||i<_)return;e.push(J.newLong(i)),t=t.substr(r[0].length);break}case s.kSingle:{const r=/^[+-]?([0-9]+([.][0-9]*([EeDd][+-][0-9]+)?)?)|(\.[0-9]+([EeDd][+-][0-9]+)?)/.exec(t);if(!r)return;const i=parseFloat(r[0]);e.push(J.single(b,i)),t=t.substr(r[0].length);break}case s.kDouble:{const r=/^[+-]?([0-9]+([.][0-9]*([EeDd][+-][0-9]+)?)?)|(\.[0-9]+([EeDd][+-][0-9]+)?)/.exec(t);if(!r)return;const i=parseFloat(r[0]);e.push(J.single(y,i)),t=t.substr(r[0].length);break}}}if(""===t.trim())return e}}function K(t){switch(t.type){case s.kString:return"";case s.kInt:case s.kLongInt:case s.kSingle:case s.kDouble:return 0;case s.kUserType:return[]}return null}class q{}class Y{}class J{constructor(t){this.type=t}static single(t,e){const r=new J(t);return r.val=e,r}static newDouble(t){return J.single(y,t)}static newString(t){return J.single(v,t)}static newInt(t){return J.single(m,t)}static newLong(t){return J.single(x,t)}static valToType(t,e){return e===m?et(t):e===x?it(t):e===b?Math.fround(t):t}static fieldType(t,e){let r=t;for(let t=0;t<e.length-1;t++){const i=e[t];r=r.fields[i].type}return r.fields[e[e.length-1]].type}toString(){const t=this.dims?"("+this.dims.map(t=>""+t).join(", ")+")":"";return`'${this.val}' ${this.type} ${t}`}anyval(){return this.val}numVal(){return this.val}strVal(){return this.val}toShortString(){const t=this.dims?"("+this.dims.map(t=>""+t).join(", ")+")":"";let e="";if(this.type.isNumeric())e=f(this.type.type);else{if(this.type.isString())return`'${this.val.replace(/\n/,"\\n")}'${t}`;e=this.type.toString()}return`${this.val}${e}${t}`}indexOffset(t){const e=this.dims||[10];let r=0;for(let i=0;i<t.length;i++){if(t[i]>e[i])return new q;r*=1+e[i],r+=t[i]}return r}valAtIndex(t,e){if(!t)return e?this.getField(this.val,e):new q;const r=this.indexOffset(t);if(r instanceof q)return r;if(!this.arrayVals||r>=this.arrayVals.length){const t=K(this.type);return e?this.getField(t,e):J.single(this.type,t)}return e?this.getField(this.arrayVals[r],e):J.single(this.type,this.arrayVals[r])}setVal(t,e,r){if(e){const i=this.indexOffset(e);if(i instanceof q)return i;for(this.arrayVals||(this.arrayVals=[]);i>=this.arrayVals.length;)this.arrayVals.push(K(this.type));r?this.setField(this.arrayVals[i],t,r):this.arrayVals[i]=J.valToType(t,this.type)}else r?this.setField(this.val,t,r):this.val=J.valToType(t,this.type)}isZero(){return!this.val}copySingle(){return J.single(this.type,this.val)}copyDecl(){const t=new J(this.type);return t.val=this.val,void 0!==this.dims&&(t.dims=this.dims),t}getNumber(){return this.val}getString(){return this.val}getField(t,e){let r=this.type;for(let i=0;i<e.length;i++){const n=e[i];if(t.length<=n)break;if(i===e.length-1)return J.single(r.fields[n].type,t[n]);r=r.fields[n].type,t=t[n]}const i=J.fieldType(this.type,e);return J.single(i,K(i))}setField(t,e,r){let i=this.type;for(let n=0;n<r.length;n++){const s=r[n];for(;t.length<=s;)t.push(K(i.fields[t.length].type));n===r.length-1?t[s]=J.valToType(e,i.fields[s].type):(i=i.fields[s].type,t=t[s])}}}function Z(t){if(void 0!==t)return Math.round(t.numVal())}class Q{constructor(t,e){this.id=t,this.args=e}static argString(t){return t instanceof J?t.toString():""+t}static parameterTypeFromList(t,e,r=""){return t<e.length?e[t]:r}toString(t){return`${V[this.id]} ${this.args.map((e,r)=>t.instructionArgToString(this,e,r)).join(", ")}`}parameterType(t){switch(this.id){case V.ASSIGN:case V.LOAD:return 0===t?"S":1===t?"S":2===t?"index":"fieldIndex";case V.INPUT:return"InputSpec";case V.BRANCH_IFNOT:return 0===t?"PC":"S";case V.CALL_SUB:return 0===t?"PC":1===t?"stacksize":"S";case V.GOSUB:return 0===t?"PC":"stacksize";case V.CALL_FUNCTION:return 0===t?"PC":1===t?"stacksize":2===t?"S":"argnames";case V.EXIT_SUB:return"";case V.RETURN:case V.ON_ERROR_GOTO:case V.RESUME_GOTO:case V.BRANCH:return"PC";case V.READ:return 0===t?"S":"baseType";case V.RESTORE:return"DP";case V.LINE:return t<=4?"S":5===t?"option":"style";case V.DECLARE:return 0===t?"S":"V";case V.DECLARE_REDIM:return 1===t?"V":"S";case V.PUT_GRAPHICS:return t<3?"S":"ActionVerb";case V.VIEW:return 0===t?"screen":"S";case V.VIEW_PRINT:case V.STRING:case V.COPY:case V.CIRCLE:case V.PAINT:case V.DRAW:case V.ADDRESS:case V.TO_INT:case V.TO_LONG:case V.TO_SINGLE:case V.TO_DOUBLE:case V.ADD:case V.ADD:case V.SUB:case V.NEG:case V.MUL:case V.DIV:case V.POW:case V.IDIV:case V.MOD:case V.EQ:case V.NEQ:case V.GTE:case V.LTE:case V.LT:case V.GT:case V.OR:case V.AND:case V.XOR:case V.NOT:case V.LOGICNOT:case V.PRINT:case V.LOCATE:case V.ABS:case V.MID:case V.PEEK:case V.RIGHT:case V.LEFT:case V.CHR:case V.ASC:case V.RND:case V.INT:case V.FIX:case V.END:case V.COLOR:case V.PALETTE:case V.GET_DRAW_POS:case V.GET_GRAPHICS:case V.PSET:case V.PRESET:case V.POINT:case V.CURRENT_POINT:case V.CLS:case V.SCREEN:case V.SLEEP:case V.INKEY:case V.VAL:case V.STR:case V.TAN:case V.SIN:case V.LOG:case V.COS:case V.ATN:case V.CINT:case V.CLNG:case V.CDBL:case V.CSNG:case V.EXP:case V.TIMER:case V.RANDOMIZE:case V.LEN:case V.LTRIM:case V.RTRIM:case V.LCASE:case V.UCASE:case V.INSTR:case V.SPACE:case V.DEBUGLOG:case V.INPUT_FUNC:case V.LINE_INPUT:case V.NOP:return void 0!==this.args[t]?"S":"";default:throw new Error("missing case "+this.id)}}shiftStackOffset(t,e){for(let r=0;r<this.args.length;r++){const i=this.parameterType(r);"S"!==i&&"stack-size"!==i||(e||this.args[r]>=0)&&(this.args[r]=this.args[r]+t)}}mapStackOffset(t){for(let e=0;e<this.args.length;e++)"S"===this.parameterType(e)&&void 0!==this.args[e]&&(this.args[e]=t(this.args[e]));if((this.id===V.ASSIGN||this.id===V.LOAD)&&void 0!==this.args[2])for(let e=0;e<this.args[2].length;e++)this.args[2][e]=t(this.args[2][e]);if(this.id===V.INPUT){const e=this.args[0];for(const r of e.inputs)r.stackOffset=t(r.stackOffset)}}}class ${constructor(){this.inst=[],this.data=[],this.dataList=[],this.statementOffsets=[],this.instToLine=new Map}toString(){return this.inst.map((t,e)=>`${e}\t`+t.toString(this)).join("\n")}instructionLineNumber(t){return this.instToLine.get(t)}instructionArgToString(t,e,r){switch(t.parameterType(r)){case"S":{const t=e;if(t&D){const e=t^D;return e<this.data.length?this.data[e].toShortString().replace(/\n/,"\\n"):"g"+(t^D)}return"s"+t}}return"string"==typeof e?e:""+e}sourceListingWithByteCode(t,e){const r=new Map;let i=0;for(let t=0;t<this.inst.length;t++){let e=this.instToLine.get(t);void 0===e?e=i:i=e;const n=r.get(e+1);n?r.set(e+1,[n[0],t]):r.set(e+1,[t,t])}const n=(t||"").split("\n"),s=[],o=(t,r)=>{for(let i=t;i<=r;i++){const t=e&&e.get(i)||"";s.push(`${t}\t[${i}]${this.inst[i].toString(this)}`)}};for(let t=0;t<n.length;t++){const e=r.get(t);void 0!==e&&o(e[0],e[1]),s.push(`${t}\t${n[t]}`)}return s.join("\n")}instructionOffsetToStatementIndex(t){for(let e=1;e<this.statementOffsets.length;e++)if(this.statementOffsets[e]>t)return e-1;return this.statementOffsets.length-1}statementIndexToInstructionOffset(t){return t>=this.statementOffsets.length?0:this.statementOffsets[t]}}class tt{constructor(){this.pc=0,this.stackOffset=0}}function et(t){return(t=Math.round(t)%65536)>32767&&(t=-65536+t),t}function rt(t){return t>=0?t:t+65536}function it(t){return(t=Math.round(t)%4294967296)>2147483647&&(t=-4294967296+t),t}class nt{constructor(){this.seed=327680}next(){this.seed=16598013*this.seed+12820163&16777215}float(){return Math.fround(this.seed/16777216)}}function st(t){return t.startsWith("-0.")?t="-."+t.substr(2):t.startsWith("0.")&&(t=t.substr(1)),t.startsWith("-")||(t=" "+t),t+" "}class ot{constructor(t,e){this.prog=t,this.vpc=e,this.stack=[],this.exception=null,this.waiting=!1,this.done=!1,this.frame=new tt,this.moduleFrame=this.frame,this.lastPointX=0,this.lastPointY=0,this.rnd=new nt,this.readPos=0;for(const e of t.data)this.stack.push(e.copySingle())}dumpStack(){const t=[];for(let e=0;e<this.stack.length;e++){const r=this.stack[e];r instanceof J&&t.push(`${e}\t${r.toShortString()}`)}return t.join("\n")}debugDump(){const t=new Map;let e=this.frame,r=0;for(;e;)t.set(e.pc-1,""+r++),e=e.parent;const i=this.prog.sourceListingWithByteCode(this.prog.source,t);return`---- STACK ----\n${this.dumpStack()}\n---- PROGRAM ----\n${i}\n`}destroy(){this.exception="destroyed"}readValOrUndefined(t){if(void 0!==t)return this.read(t)}read(t){return t&D?this.stack[t^D]:this.stack[t+this.frame.stackOffset]}readShared(t){return this.stack[t]}readValShared(t){return this.readShared(t)}save(t,e){if(t&D)this.stack[t^D]=e;else{for(;this.stack.length<=t;)this.stack.push(J.single(m,0));this.stack[t+this.frame.stackOffset]=e}}run(t=1e4){this.inRun=!0;let e=0;for(e=0;e<t&&!this.exception&&!this.waiting;e++)try{if(!this.step())break}catch(t){this.raise("internal error: "+t)}e===t&&this.vpc.sleep(.001,()=>{this.waiting=!1,this.unpause()}),this.inRun=!1}start(){this.run()}currentLine(){return this.prog.instructionLineNumber(this.frame.pc)}raise(t){if(void 0!==this.onErrorPC){for(;this.frame.parent;)this.frame=this.frame.parent;return this.errorInstructionOffset=this.frame.pc,void(this.frame.pc=this.onErrorPC)}this.exception=t,this.onException&&this.onException(t,this.currentLine())}end(){this.done=!0,this.onEnd&&this.onEnd()}unpause(){this.inRun||this.run()}step(){if(this.frame.pc>=this.prog.inst.length)return this.end(),!1;this.waiting&&console.error("called step while in wait");const t=this.prog.inst[this.frame.pc],e=t.args;switch(this.frame.pc++,t.id){case V.LOAD:{const t=e[0],r=e[1],i=e[2],n=e[3];let s;i&&(s=i.map(t=>this.read(t).val));const o=this.read(r);if(s||n){const e=o.valAtIndex(s,n);e instanceof Y?this.raise("internal error"):e instanceof q?(this.frame.pc--,this.raise("index out of range")):this.save(t,e)}else this.save(t,o);break}case V.ADDRESS:this.save(e[0],this.read(e[1]));break;case V.DECLARE:this.save(e[0],e[1].copyDecl());break;case V.DECLARE_REDIM:{const t=[];for(let r=2;r<e.length;r++)t.push(this.read(e[r]).numVal());const r=e[1].copyDecl();r.dims=t,this.save(e[0],r);break}case V.ASSIGN:{const t=this.read(e[1]);let r=e.length>2?e[2]:void 0;r&&(r=r.map(t=>this.read(t).getNumber()));const i=e.length>3?e[3]:void 0;this.read(e[0]).setVal(t.val,r,i);break}case V.COPY:{const t=this.read(e[1]);this.save(e[0],t.copySingle());break}case V.ADD:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.single(t.type,t.anyval()+r.anyval()));break}case V.SUB:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.single(t.type,t.anyval()-r.anyval()));break}case V.NEG:{const t=this.read(e[1]);this.save(e[0],J.single(t.type,-t.anyval()));break}case V.MUL:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.single(t.type,t.anyval()*r.anyval()));break}case V.DIV:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newDouble(t.anyval()/r.anyval()));break}case V.POW:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newDouble(Math.pow(t.anyval(),r.anyval())));break}case V.IDIV:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newLong(Math.floor(t.anyval()/r.anyval())));break}case V.MOD:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newLong(Math.floor(t.anyval())%Math.floor(r.anyval())));break}case V.EQ:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.val===r.val?-1:0));break}case V.NEQ:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.val!==r.val?-1:0));break}case V.GTE:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.anyval()>=r.anyval()?-1:0));break}case V.LTE:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.anyval()<=r.anyval()?-1:0));break}case V.GT:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.anyval()>r.anyval()?-1:0));break}case V.LT:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newInt(t.anyval()<r.anyval()?-1:0));break}case V.OR:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newLong(t.anyval()|r.anyval()));break}case V.AND:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newLong(t.anyval()&r.anyval()));break}case V.XOR:{const t=this.read(e[1]),r=this.read(e[2]);this.save(e[0],J.newLong(t.anyval()^r.anyval()));break}case V.NOT:{const t=this.read(e[1]);this.save(e[0],J.newLong(~t.anyval()));break}case V.LOGICNOT:{const t=this.read(e[1]);this.save(e[0],J.newLong(t.val?0:-1));break}case V.TO_INT:this.save(e[0],J.newInt(et(this.read(e[1]).val)));break;case V.TO_LONG:this.save(e[0],J.newLong(it(this.read(e[1]).val)));break;case V.TO_SINGLE:this.save(e[0],J.single(b,Math.fround(this.read(e[1]).val)));break;case V.TO_DOUBLE:this.save(e[0],J.single(y,this.read(e[1]).val));break;case V.PRINT:{const t=this.read(e[0]);switch(t.type.type){case s.kSingle:this.vpc.print(st(function(t){const e=""+t;return e.length<8?e:t.toPrecision(7)}(t.val)));break;case s.kString:this.vpc.print(""+t.val);break;default:this.vpc.print(st(""+t.val))}break}case V.LOCATE:this.vpc.locate(void 0!==e[0]?this.read(e[0]).anyval():null,void 0!==e[1]?this.read(e[1]).anyval():null);break;case V.INPUT_FUNC:{this.waiting=!0;const t=t=>{this.save(e[0],J.single(v,t)),this.waiting=!1,this.unpause()};this.vpc.inkeyWait(this.read(e[1]).numVal(),t);break}case V.INPUT:{const t=e[0];this.vpc.print(t.prompt||""),this.waiting=!0;const r=e=>{const i=t.parseInput(e);if(!i)return this.vpc.print("Redo from start\n"),void this.vpc.input(r);this.waiting=!1,this.vpc.print("\n");for(let e=0;e<i.length;e++)this.save(t.inputs[e].stackOffset,i[e]);this.unpause()};this.vpc.input(r);break}case V.LINE_INPUT:{const t=this.readValOrUndefined(e[0]),r=this.readValOrUndefined(e[1]),i=r=>{this.waiting=!1,void 0!==t&&t||this.vpc.print("\n"),this.save(e[2],J.newString(r)),this.unpause()};r&&this.vpc.print(r.strVal()),this.vpc.input(i);break}case V.BRANCH_IFNOT:this.read(e[1]).isZero()&&(this.frame.pc=e[0]);break;case V.BRANCH:this.frame.pc=e[0];break;case V.CALL_SUB:case V.GOSUB:case V.CALL_FUNCTION:{const t=new tt;t.parent=this.frame,t.stackOffset=this.frame.stackOffset+e[1],t.pc=e[0],this.frame=t;break}case V.EXIT_SUB:this.frame=this.frame.parent;break;case V.RETURN:this.frame=this.frame.parent,this.frame.pc=e[0];break;case V.ABS:{const t=this.read(e[1]).copySingle();t.anyval()<0&&(t.val=-t.anyval()),this.save(e[0],t);break}case V.MID:{const t=this.read(e[1]).copySingle(),r=this.read(e[2]);e.length>3?t.val=t.val.substr(Math.max(0,r.numVal()-1),this.read(e[3]).numVal()):t.val=t.val.substr(Math.max(0,r.numVal()-1)),this.save(e[0],t);break}case V.PEEK:this.save(e[0],J.newInt(0));break;case V.LEFT:{const t=this.read(e[1]).copySingle(),r=Math.abs(this.read(e[2]).anyval());t.val=t.val.substr(0,r),this.save(e[0],t);break}case V.RIGHT:{const t=this.read(e[1]).copySingle(),r=Math.abs(this.read(e[2]).anyval()),i=t.val;i.length>r&&(t.val=i.substr(i.length-r)),this.save(e[0],t);break}case V.CHR:{const t=this.read(e[1]).val;this.save(e[0],J.single(v,String.fromCharCode(t)));break}case V.ASC:{const t=this.read(e[1]).val;this.save(e[0],J.newInt(t.charCodeAt(0)));break}case V.RND:e.length,this.rnd.next(),this.save(e[0],J.single(b,this.rnd.float()));break;case V.COLOR:{const t=Math.round(this.read(e[0]).numVal()),r=Math.round(this.read(e[1]).numVal());t>=0&&this.vpc.setForeColor(t),r>=0&&this.vpc.setBackColor(r);break}case V.PALETTE:if(e.length<2)this.vpc.resetPalette();else{const t=Math.round(this.read(e[0]).numVal()),r=Math.round(this.read(e[1]).numVal());this.vpc.setPaletteAttribute(t,r)}break;case V.GET_DRAW_POS:this.save(e[0],J.newInt(this.lastPointX)),this.save(e[1],J.newInt(this.lastPointY));break;case V.PAINT:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal();let i,n;void 0!==e[2]&&(i=this.read(e[2]).numVal()),void 0!==e[3]&&(n=this.read(e[3]).numVal()),this.vpc.paint(Math.round(t),Math.round(r),i,n),this.lastPointX=Math.round(t),this.lastPointY=Math.round(r);break}case V.CIRCLE:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal(),i=this.read(e[2]).numVal();let n,s=0,o=2*Math.PI,a=1;if(void 0!==e[3]&&(n=this.read(e[3]).numVal(),n=Math.round(n)),void 0!==e[4]&&((s=this.read(e[4]).numVal())>2*Math.PI||s<2*-Math.PI)){this.raise("invalid call");break}if(void 0!==e[5]&&((o=this.read(e[5]).numVal())>2*Math.PI||o<2*-Math.PI)){this.raise("invalid call");break}void 0!==e[6]&&(a=this.read(e[6]).numVal()),this.vpc.circle(Math.round(t),Math.round(r),Math.round(i),n,s,o,a),this.lastPointX=Math.round(t),this.lastPointY=Math.round(r);break}case V.LINE:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal(),i=this.read(e[2]).numVal(),n=this.read(e[3]).numVal();let s;void 0!==e[4]&&(s=this.read(e[4]).numVal(),s=Math.round(s));let o=R.kLine;void 0!==e[5]&&(o="B"===e[5]?R.kBox:R.kFilledBox);let a=65535;void 0!==e[6]&&(a=this.read(e[6]).numVal()),this.vpc.line(Math.round(t),Math.round(r),Math.round(i),Math.round(n),s,o,a),this.lastPointX=Math.round(i),this.lastPointY=Math.round(n);break}case V.DRAW:{const t=function(t){const e=[];let r=0,i=new B;const n=()=>{for(;r<t.length&&" "===t[r];)++r},s=()=>{n();const e=/[+-]?\d+/.exec(t.slice(r));if(e)return r+=e[0].length,parseInt(e[0],10)};for(;r<t.length;)switch(t[r]){case"B":i.noDraw=!0,r++;break;case"N":i.returnWhenDone=!0,r++;break;case"U":case"D":case"L":case"R":case"E":case"F":case"G":case"H":if(i.id=P.kMove,i.a="UERFDGLH".indexOf(t[r++]),i.b=s(),void 0===i.b)return;e.push(i),i=new B;break;case"M":if(r++,i.id=P.kMoveXY,n(),"+"!==t[r]&&"-"!==t[r]||(i.c=1),i.a=s(),n(),","!==t[r++])return;if(i.b=s(),void 0===i.a||void 0===i.b)return;e.push(i),i=new B;break;case"A":if(r++,i.id=P.kRotation,i.a=s(),void 0===i.a)return;e.push(i),i=new B;break;case"T":if(r++,i.id=P.kTurn,"A"!==t[r++])return;if(i.a=s(),void 0===i.a)return;e.push(i),i=new B;break;case"C":r++,i.id=P.kColor,i.a=s(),e.push(i),i=new B;break;case"S":r++,i.id=P.kScale,i.a=s(),e.push(i),i=new B;break;case"P":if(r++,i.id=P.kPaint,i.a=s(),n(),","!==t[r++])return;i.b=s(),e.push(i),i=new B;break;case" ":r++;break;default:return}return e}(this.read(e[0]).strVal());t?this.vpc.draw(this.lastPointX,this.lastPointY,t):this.raise("invalid draw command");break}case V.GET_GRAPHICS:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal(),i=this.read(e[2]).numVal(),n=this.read(e[3]).numVal(),s=this.read(e[4]),o=s.dims;if(!o){this.raise("invalid array");break}if(1!==o.length){this.raise("not implemented");break}if(s.type!==m){this.raise("not implemented");break}const a=this.vpc.getGraphics(Math.round(t),Math.round(r),Math.round(i),Math.round(n),2*o[0]);if(!a){this.raise("invalid call");break}for(let t=0;t<a.length;t+=2){const e=a[t],r=t+1<a.length?a[t+1]:0;s.setVal(e+(r<<8),[Math.trunc(t/2)],void 0)}break}case V.PUT_GRAPHICS:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal(),i=this.read(e[2]),n=e[3],s=i.dims;if(!s){this.raise("invalid array");break}if(1!==s.length){this.raise("not implemented");break}if(i.type!==m){this.raise("not implemented");break}const o=new Uint8Array(2*s[0]);for(let t=0;t<o.length;t+=2){const e=rt(i.arrayVals[Math.trunc(t/2)]);o[t]=e%256,t+1<o.length&&(o[t+1]=(e>>8)%256)}this.vpc.putGraphics(Math.round(t),Math.round(r),o,n);break}case V.PSET:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal();let i;void 0!==e[2]&&(i=this.read(e[2]).numVal(),i=Math.round(i)),this.vpc.pset(Math.round(t),Math.round(r),i),this.lastPointX=Math.round(t),this.lastPointY=Math.round(r);break}case V.PRESET:{const t=this.read(e[0]).numVal(),r=this.read(e[1]).numVal();this.vpc.pset(Math.round(t),Math.round(r),this.vpc.backColor()),this.lastPointX=Math.round(t),this.lastPointY=Math.round(r);break}case V.POINT:this.save(e[0],J.newInt(this.vpc.point(Math.round(this.read(e[1]).numVal()),Math.round(this.read(e[2]).numVal()))));break;case V.CURRENT_POINT:switch(this.read(e[1]).numVal()){case 0:case 1:this.save(e[0],J.newInt(this.lastPointX));break;case 2:case 3:this.raise("not implemented");break;default:this.raise("invalid call")}break;case V.CLS:{const t=this.readValOrUndefined(e[0]);t&&1===t.numVal()?this.vpc.clsGraphics():t&&2===t.numVal()?this.vpc.clsText():this.vpc.cls();break}case V.SCREEN:{const t=Z(this.readValOrUndefined(e[2]));let r=Z(this.readValOrUndefined(e[3]));void 0===r&&void 0!==t&&(r=t),this.vpc.screen(Z(this.readValOrUndefined(e[0])),Z(this.readValOrUndefined(e[1])),t,r);break}case V.SLEEP:{const t=this.read(e[0]).numVal();this.waiting=!0,this.vpc.sleep(t,()=>{this.waiting=!1,this.unpause()});break}case V.INKEY:this.save(e[0],J.single(v,this.vpc.inkey()));break;case V.VAL:this.save(e[0],J.newDouble(parseFloat(this.read(e[1]).strVal())));break;case V.STR:{const t=this.read(e[1]).val;let r;r="number"==typeof t&&t>=0?" "+t:""+t,this.save(e[0],J.single(v,""+r));break}case V.TAN:this.save(e[0],J.newDouble(Math.tan(this.read(e[1]).numVal())));break;case V.SIN:this.save(e[0],J.newDouble(Math.sin(this.read(e[1]).numVal())));break;case V.COS:this.save(e[0],J.newDouble(Math.cos(this.read(e[1]).numVal())));break;case V.LOG:{const t=this.read(e[1]).numVal();if(t<=0){this.raise("Illegal function call");break}this.save(e[0],J.newDouble(Math.log(t)));break}case V.ATN:this.save(e[0],J.newDouble(Math.atan(this.read(e[1]).numVal())));break;case V.CINT:this.save(e[0],J.newInt(Math.round(et(this.read(e[1]).numVal()))));break;case V.CLNG:this.save(e[0],J.newLong(Math.round(it(this.read(e[1]).numVal()))));break;case V.CDBL:this.save(e[0],J.newDouble(this.read(e[1]).numVal()));break;case V.CSNG:this.save(e[0],J.single(b,this.read(e[1]).numVal()));break;case V.EXP:this.save(e[0],J.single(y,Math.exp(this.read(e[1]).numVal())));break;case V.FIX:this.save(e[0],J.single(y,Math.trunc(this.read(e[1]).numVal())));break;case V.INT:this.save(e[0],J.single(y,Math.floor(this.read(e[1]).numVal())));break;case V.TIMER:{const t=new Date,r=new Date(t.getFullYear(),t.getMonth(),t.getDate(),0,0,0),i=t.getTime()-r.getTime();this.save(e[0],J.single(y,i/1e3));break}case V.RANDOMIZE:this.rnd.seed=it(this.read(e[0]).numVal());break;case V.READ:{if(this.readPos>=this.prog.dataList.length){this.raise("Out of DATA");break}const t=this.prog.data[this.prog.dataList[this.readPos++]],r=e[1];let i;if(t.type===v){if(r!==s.kString){this.raise("syntax error");break}i=t.val}else i=function(t,e){switch(e){case s.kString:return""+t;case s.kInt:return et(t);case s.kLongInt:return it(t);case s.kSingle:return Math.fround(t);case s.kDouble:return t}return t}(t.numVal(),r);this.save(e[0],J.single(g.basic(r),i));break}case V.RESTORE:this.readPos=e[0];break;case V.LEN:this.save(e[0],J.newLong(this.read(e[1]).strVal().length));break;case V.LTRIM:this.save(e[0],J.newString(this.read(e[1]).strVal().trimLeft()));break;case V.RTRIM:this.save(e[0],J.newString(this.read(e[1]).strVal().trimRight()));break;case V.UCASE:this.save(e[0],J.newString(this.read(e[1]).strVal().toUpperCase()));break;case V.INSTR:{const t=this.read(e[1]).numVal(),r=this.read(e[2]).strVal(),i=this.read(e[3]).strVal();""===i?this.save(e[0],J.newInt(t)):this.save(e[0],J.newInt(r.indexOf(i,t-1)+1));break}case V.LCASE:this.save(e[0],J.newString(this.read(e[1]).strVal().toLowerCase()));break;case V.SPACE:{const t=this.read(e[1]).numVal();this.save(e[0],J.newString(" ".repeat(t)));break}case V.ON_ERROR_GOTO:this.onErrorPC=e[0];break;case V.RESUME:if(void 0!==this.errorInstructionOffset){const t=this.prog.instructionOffsetToStatementIndex(this.errorInstructionOffset);this.frame.pc=this.prog.statementIndexToInstructionOffset(t),this.errorInstructionOffset=void 0}break;case V.RESUME_NEXT:if(void 0!==this.errorInstructionOffset){const t=this.prog.instructionOffsetToStatementIndex(this.errorInstructionOffset);this.frame.pc=this.prog.statementIndexToInstructionOffset(t+1),this.errorInstructionOffset=void 0}break;case V.RESUME_GOTO:void 0!==this.errorInstructionOffset&&(this.frame.pc=e[0],this.errorInstructionOffset=void 0);break;case V.VIEW:{const t=e[0],r=this.read(e[1]).numVal(),i=this.read(e[2]).numVal(),n=this.read(e[3]).numVal(),s=this.read(e[4]).numVal(),o=this.readValOrUndefined(e[6]),a=this.readValOrUndefined(e[7]);void 0!==a&&this.vpc.line(r-1,i-1,n+1,s+1,a.numVal(),R.kBox,65535),void 0!==o&&this.vpc.line(r,i,n,s,o.numVal(),R.kFilledBox,65535),this.vpc.setView(r,i,n,s,t);break}case V.VIEW_PRINT:{const t=this.vpc.screenLines(),r=this.read(e[0]).numVal(),i=this.read(e[1]).numVal();if(r<1||i<1||r>i||i>t||r>t){this.raise("invalid call");break}this.vpc.setViewPrint(r,i);break}case V.STRING:{const t=this.read(e[1]).numVal(),r=this.read(e[2]).strVal();this.save(e[0],J.newString(r.substr(0,1).repeat(t)));break}case V.NOP:break;case V.DEBUGLOG:console.log(this.read(e[0]).strVal());break;case V.END:return this.end(),!1;default:console.log("Not implemented: "+V[t.id])}return!0}resume(t){const e=this.prog.instructionOffsetToStatementIndex(t);this.frame.pc=this.prog.statementIndexToInstructionOffset(e),this.errorInstructionOffset=void 0}resumeNext(t){this.errorInstructionOffset=void 0}}const at=1073741824,lt=536870912,ct=268435456,ht=at|lt|ct;var ut;!function(t){t[t.kIF=0]="kIF",t[t.kFOR=1]="kFOR",t[t.kDO=2]="kDO",t[t.kWHILE=3]="kWHILE",t[t.kSELECT=4]="kSELECT"}(ut||(ut={}));class ft{constructor(t){this.type=t,this.endInstructions=[],this.caseInstOffset=[],this.endCaseInstructions=[]}}class dt{constructor(t,e){this.sourceBlock=t,this.inst=e}setLabelOrLineNumber(t){"string"==typeof t?this.label=t:this.lineNumber=t}}class pt{constructor(t,e){this.name=t,this.args=e,this.calls=[],this.blockInfo=new gt}}class gt{constructor(){this.startPc=-1,this.argCount=0,this.declareInstructions=[],this.inst=[],this.instToLine=new Map,this.startShift=0,this.statementOffsets=[]}setStartPC(t){for(const e of this.inst)W.has(e.id)&&e.args.length>0&&(e.args[0]+=t-this.startPc);for(let e=0;e<this.statementOffsets.length;e++)this.statementOffsets[e]+=t-this.startPc;this.startPc=t}insertInstructions(t,e){if(!(e<=0)){for(let t=0;t<e;t++)this.inst.push(void 0);for(let r=this.inst.length-1;r>=t+e;r--){this.inst[r]=this.inst[r-e],this.inst[r-e]=void 0;const t=this.instToLine.get(r-e);void 0!==t&&(this.instToLine.delete(r-e),this.instToLine.set(r,t))}for(let t=0;t<this.statementOffsets.length;t++)this.statementOffsets[t]+=e}}insertDeclareInstructions(){if(this.declareInstructions.length){this.insertInstructions(0,this.declareInstructions.length);for(let t=0;t<this.declareInstructions.length;t++)this.inst[t]=this.declareInstructions[t];this.startShift=this.declareInstructions.length,this.declareInstructions=[]}}}class mt{constructor(t,e){this.block=t,this.instOffset=e}getPC(){return this.block.startPc+this.instOffset+this.block.startShift}}class vt{constructor(t,e){this.type=t,this.builtin=e,this.calls=[],this.blockInfo=new gt}static builtin(t,e){const r=new vt(t,!0);return e&&(r.builtinOp=e),r}}class yt{constructor(t,e){this.instructionIndex=t,this.dataOffset=e}}class bt{constructor(t,e){this.restoreInst=t,this.lbl=e}}class xt{constructor(){this.functions=new Map,this.types=new Map,this.subs=new Map,this.constantVals=new Map,this.lineNumbers=new Map,this.labels=new Map,this.program=new $,this.errors=[],this.errorLocations=[],this.gotos=[],this.restores=[],this.currentLine=0,this.dataOffsets=[],this.isEnd=!1,this.globalVarCount=0,this.constCount=0}}class wt{constructor(){this.g=new xt,this.dimVars=new Map,this.autoVars=new Map,this.constVars=new Map,this.stackOffset=0,this.blockInfo=new gt,this.reservedStackSlots=0,this.ctrlFlowStack=[],this.tempVarCount=0,this.finalized=!1,this.localVarCount=0,this.blockInfo.startPc=0}static valConstKey(t){return t.isLiteral()||t.isConst()?`${t.type}${t.type.isString()?t.stringValue:t.numberValue}`:""}static literalVarVal(t){const e=new J(t.type);switch(t.baseType()){case s.kString:e.val=t.stringValue;break;case s.kInt:e.val=et(t.numberValue);break;case s.kLongInt:e.val=it(t.numberValue);break;case s.kSingle:e.val=Math.fround(t.numberValue);break;case s.kDouble:e.val=t.numberValue}return e}setLocator(t){this.g.locator=t}program(){return this.g.program}errors(){return this.g.errors}errorLocations(){return this.g.errorLocations}error(t,e){e instanceof o&&(e=e.loc),e?(this.g.errors.push(t+" at "+e.toString()),this.g.errorLocations.push(e)):(this.g.errors.push(t),this.g.errorLocations.push(new i(this.g.currentLine,0)))}defineType(t,e){this.g.types.has(t.utext())?this.error("duplicate definition",t.loc):e&&this.g.types.set(t.utext(),e)}typename(t){switch(t.utext()){case"INTEGER":return m;case"STRING":return v;case"DOUBLE":return y;case"SINGLE":return b;case"LONG":return x}return this.g.types.get(t.utext())}label(t){this.g.labels.set(t.text.toUpperCase(),this.branchTargetHere())}lineNumber(t,e){this.g.lineNumbers.has(t)?this.error("duplicate label",e.loc):this.g.lineNumbers.set(t,this.branchTargetHere())}newline(t){this.g.currentLine=t}newStmt(){const t=this.blockInfo.inst.length;0!==this.blockInfo.statementOffsets.length&&this.blockInfo.statementOffsets[this.blockInfo.statementOffsets.length-1]===t||this.blockInfo.statementOffsets.push(t)}data(t){this.g.dataOffsets.push(new yt(this.branchTargetHere(),this.program().dataList.length)),this.emit(V.NOP);for(const e of t){const t=this.constDataVal(e);if(!t){this.error("internal error");break}this.g.program.dataList.push(t.stackOffset&~ct)}}restore(t){this.g.restores.push(new bt(this.emit(V.RESTORE,0),t))}read(t){const e=this.nextStackOffset();for(const r of t){if(!r.isVar)return void this.error("READ parameter not a variable");if(!r.type.isBasic())return void this.error("Expected basic type");this.write(V.READ,e,r.baseType()),this.assign(r,e)}}endStmt(){this.stackOffset=this.reservedStackSlots}findVariable(t,e){t=t.toUpperCase();{const e=this.dimVars.get(t);if(e)return e}{const e=this.constVars.get(t);if(e)return e}const r=t+f(e),i=this.autoVars.get(r);if(i)return i;if(this.parent){const r=this.parent.findVariable(t,e);if(r&&r.shared)return r}}variable(t,e,r){let i,n="";t instanceof o?(n=t.text,i=t.loc):n=t;const a=this.findVariable(n,e);if(a)return e!==s.kNone&&a.baseType()!==e?void this.error("duplicate definition",i):a;if(void 0===r)return;const l=k.newVar(n,r);this.parent?l.stackOffset=lt|this.localVarCount++:l.stackOffset=at|this.g.globalVarCount++,this.autoVars.set(n.toUpperCase()+f(e),l);const c=J.single(l.type,K(l.type));return this.blockInfo.declareInstructions.push(new Q(V.DECLARE,[l.stackOffset,c])),l}declConst(t,e,r){if(!r.isLiteral()&&!r.isConst())return void this.error("cannot assign const to dynamic value");if(e&&function(t){return t===s.kInt?m:t===s.kString?v:t===s.kLongInt?x:t===s.kNone||t===s.kSingle?b:t===s.kDouble?y:void 0}(e)!==r.type)return void this.error("type mismatch");const i=k.newConst(t.text,r.type,r.type===v?r.stringValue:r.numberValue);this.constVars.set(t.text.toUpperCase(),i)}index(t,e){if(t.isVar()){if(!e)return;if(void 0!==t.argIndex&&!t.isArrayArg)return void this.error("not an array variable");const r=t.size?t.size.length:1;return t.isArrayArg||e.length===r?((t=t.copy()).index=e,t):void this.error("wrong number of dimensions")}this.error("index of this kind not implemented")}indexField(t,e){if(!t.isVar()&&!t.isField())return void this.error("syntax error");const r=t.type.lookupField(e.text);if(r)return k.newField(r.name,r.type,t);this.error("invalid field")}dim(t,e,r,i,n){const s=t instanceof o?t.text:t,a=t instanceof o?t.loc:void 0,l=this.dimVars.get(s.toUpperCase());if(void 0!==l&&!n)return void this.error("duplicate definition",a);for(const t of["$","%","&","!","#",""])if(this.autoVars.has(s.toUpperCase()+t))return void this.error("duplicate definition",a);if(void 0!==l){if(!l.type.equals(r))return void this.error("mismatched types",a);if(void 0===l.size){if(void 0!==e)return void this.error("dimension mismatch",a)}else if(void 0===e||e.length!=l.size.length)return void this.error("dimension mismatch",a);if(!l.dynamic)return void this.error("array already dimensioned",a)}let c,h=[],u=!1;if(e){c=[];for(const t of e){const e=[];for(const r of t)if((r.isLiteral()||r.isConst())&&r.type.isNumeric())e.push(r.numberValue);else if(r.kind===w.kUnspecifiedDimSize)u=!0,e.push(0);else{if(!n)return void this.error("expected constant numeric value",r.loc());u=!0}c.push(e[e.length-1])}if(u){for(const t of e){const e=t[t.length-1];e.kind==w.kUnspecifiedDimSize?h.push(this.constNumber(0,m)):h.push(e)}c=h.map(()=>0)}}let f=l;if(f||(f=k.newVar(s,r,c),!this.parent||i?f.stackOffset=at|this.g.globalVarCount++:f.stackOffset=lt|this.localVarCount++,f.dimmed=!0,(u||n)&&(f.dynamic=!0),i&&(f.shared=!0),this.dimVars.set(s.toUpperCase(),f)),n){const t=J.single(f.type,K(f.type));t.dims=c,this.write(V.DECLARE_REDIM,f.stackOffset,t,...h)}else{const t=J.single(f.type,K(f.type));t.dims=c,this.blockInfo.declareInstructions.push(new Q(V.DECLARE,[f.stackOffset,t]))}}binaryOpType(t,e){return t.type===s.kString&&e.type===s.kString?v:t.type===s.kString||e.type===s.kString||t.type===s.kUserType||e.type===s.kUserType?(this.error("invalid type"),t):t.type===s.kDouble||e.type===s.kDouble?y:t.type===s.kSingle||e.type===s.kSingle?b:t.type===s.kLongInt||e.type===s.kLongInt?x:t.type===s.kInt||e.type===s.kInt?m:(this.error("invalid type"),t)}convert(t,e){if(t.type.equals(e))return t;if(t.type.isNumeric()&&e.isNumeric())switch(e.type){case s.kInt:{const e=k.newStackValue(m,this.nextStackOffset());return this.write(V.TO_INT,e,t),e}case s.kLongInt:{const e=k.newStackValue(x,this.nextStackOffset());return this.write(V.TO_LONG,e,t),e}case s.kSingle:{const e=k.newStackValue(b,this.nextStackOffset());return this.write(V.TO_SINGLE,e,t),e}case s.kDouble:{const e=k.newStackValue(y,this.nextStackOffset());return this.write(V.TO_DOUBLE,e,t),e}}else this.error("cannot convert value")}pushCompatibleOperands(t,e){const r=this.binaryOpType(t.type,e.type),i=this.convert(t,r),n=this.convert(e,r);if(i&&n)return[i,n]}op(t,e){switch(t){case"=":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.EQ,r,t[0],t[1]),r}case"=>":case">=":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.GTE,r,t[0],t[1]),r}case"=<":case"<=":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.LTE,r,t[0],t[1]),r}case">":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.GT,r,t[0],t[1]),r}case"<":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.LT,r,t[0],t[1]),r}case"<>":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(m);return this.write(V.NEQ,r,t[0],t[1]),r}case"OR":{if(!this.expectNumeric(e[0])||!this.expectNumeric(e[1]))return S;const t=e[0],r=e[1],i=this.newStackValue(x);return this.write(V.OR,i,t,r),i}case"AND":{if(!this.expectNumeric(e[0])||!this.expectNumeric(e[1]))return S;const t=e[0],r=e[1],i=this.newStackValue(x);return this.write(V.AND,i,t,r),i}case"XOR":{if(!this.expectNumeric(e[0])||!this.expectNumeric(e[1]))return S;const t=e[0],r=e[1],i=this.newStackValue(x);return this.write(V.XOR,i,t,r),i}case"assign":{const t=e[0],r=e[1];return this.assignVal(t,r),S}case"ABS":{const t=k.newStackValue(e[0].type,this.nextStackOffset());return this.write(V.ABS,t,e[0]),t}case"PRINT":{let t=!1;for(const r of e)t=!1,r.isCommaDelim()?(t=!0,this.write(V.PRINT,k.newStringLiteral("\t"))):r.isSemicolonDelim()?t=!0:this.write(V.PRINT,r);return void(t||this.write(V.PRINT,k.newStringLiteral("\n")))}case"SWAP":{if(e[0].type!==e[1].type)return void this.error("SWAP with mismatched types");const[t,r]=e,i=this.nextStackOffset(),n=this.nextStackOffset();this.loadVar(i,t),this.loadVar(n,r);return this.assign(t,n),void this.assign(r,i)}case"+":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(t[0].type);return this.write(V.ADD,r,t[0],t[1]),r}case"-":{if(1===e.length){const t=this.newStackValue(e[0].type);return this.write(V.NEG,t,e[0]),t}const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(t[0].type);return this.write(V.SUB,r,t[0],t[1]),r}case"*":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(t[0].type);return this.write(V.MUL,r,t[0],t[1]),r}case"/":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(y);return this.write(V.DIV,r,t[0],t[1]),r}case"^":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(y);return this.write(V.POW,r,t[0],t[1]),r}case"\\":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(x);return this.write(V.IDIV,r,t[0],t[1]),r}case"MOD":{const t=this.pushCompatibleOperands(e[0],e[1]);if(!t)return;const r=this.newStackValue(x);return this.write(V.MOD,r,t[0],t[1]),r}case"NOT":{const t=this.newStackValue(x);return this.write(V.NOT,t,e[0]),t}case"LNOT":{const t=this.newStackValue(x);return this.write(V.LOGICNOT,t,e[0]),t}default:this.error("internal: operator not implemented")}}declSub(t,e){this.g.subs.set(t.utext(),new pt(t.text,e))}declFunction(t,e,r,i){const n=i.map(t=>t.type),s=new vt(new p(r,n),!1);s.name=t.text,this.g.functions.set(s.name.toUpperCase(),s)}setEnd(){this.g.isEnd||(this.g.isEnd=!0,this.write(V.END))}sub(t,e){this.setEnd();let r=this.g.subs.get(t.utext());if(r){if(r.blockInfo.startPc>=0)return this.error("duplicate subroutine name",t.loc),this}else this.declSub(t,e),r=this.g.subs.get(t.utext());if(this.parent)return this.error("subroutine must be at the module level"),this;const i=new wt;for(let t=0;t<e.length;t++){const r=e[t];if(r.kind!==w.kArgument)return this.error("internal error"),this;const n=k.newVar(r.varName,r.type,r.size);n.stackOffset=t,r.isArrayArg&&(n.isArrayArg=!0),r.dimmed?(n.dimmed=!0,i.dimVars.set(n.varName.toUpperCase(),n)):i.autoVars.set(this.autoVarKey(n),n)}return i.reservedStackSlots=e.length,i.stackOffset=e.length,r.blockInfo.argCount=e.length,r.blockInfo.startPc=0,i.g=this.g,i.parent=this,i.subInfo=r,i.blockInfo=r.blockInfo,i}subExit(){this.subInfo?this.write(V.EXIT_SUB):this.error("EXIT outside of sub")}functionBegin(t,e,r,i,n){n||this.setEnd();let s=this.g.functions.get(t.text.toUpperCase());if(s){if(s.blockInfo.startPc>=0)return this.error("function already defined"),this}else this.declFunction(t,e,r,i),s=this.g.functions.get(t.text.toUpperCase());if(this.parent)return this.error("function must be at the module level"),this;const o=new wt;o.g=this.g,o.parent=this,o.blockInfo=s.blockInfo,s.blockInfo.argCount=i.length+1,s.blockInfo.startPc=0;const a=k.newVar(t.text,r);a.dimmed=!0,a.stackOffset=0,o.blockInfo.declareInstructions.push(new Q(V.DECLARE,[a.stackOffset,J.single(a.type,K(a.type))])),o.dimVars.set(a.varName.toUpperCase(),a);for(let t=0;t<i.length;t++){const e=i[t];if(e.kind!==w.kArgument)return this.error("internal error"),this;const r=k.newVar(e.varName,e.type,e.size);r.stackOffset=t+1,e.isArrayArg&&(r.isArrayArg=!0),e.dimmed?(r.dimmed=!0,o.dimVars.set(r.varName.toUpperCase(),r)):o.autoVars.set(this.autoVarKey(r),r)}return o.reservedStackSlots=i.length+1,o.stackOffset=i.length+1,o.localVarCount=i.length+1,o.fnInfo=s,o}functionExit(){this.fnInfo?this.write(V.EXIT_SUB):this.error("EXIT FUNCTION outside of FUNCTION")}declArg(t,e,r,i){const n=new k;return n.type=r||m,n.kind=w.kArgument,n.varName=t.text,n.isArrayArg=e,i&&(n.dimmed=!0),n}endSub(){this.subInfo?this.write(V.EXIT_SUB):this.error("internal error")}endFunction(){this.fnInfo?this.write(V.EXIT_SUB):this.error("internal error")}isSub(t){return this.g.subs.has(t)}isConst(t){return this.parent&&this.parent.isConst(t)||this.constVars.has(t.toUpperCase())}isFunction(t){return this.g.functions.has(t.toUpperCase())}lookupFunction(t){const e=this.g.functions.get(t.toUpperCase());if(e)return e.type}callSub(t,e){const r=this.g.subs.get(t.utext());if(!r)return void this.error("not a subroutine");for(const t of e)if(!t)return;e=this.stackifyAll(e);const i=this.stackOffset;for(const t of e){const e=t.stackOffset,r=this.stackOffset++;e&ct?this.write(V.COPY,r,e):this.write(V.ADDRESS,r,e)}r.calls.push(this.emit(V.CALL_SUB,0,i))}callBuiltin(t,e){const r=(t,e,r)=>{const i=this.newStackValue(e);return this.write(t,i,...r),i},i=(t,e)=>{this.write(t,...e)};switch(t){case"__LOG":return i(V.DEBUGLOG,e);case"ASC":return r(V.ASC,m,e);case"ATN":return r(V.ATN,y,e);case"CDBL":return r(V.CDBL,y,e);case"CHR":return r(V.CHR,v,e);case"CINT":return r(V.CINT,m,e);case"CLS":return i(V.CLS,e);case"CLNG":return r(V.CLNG,x,e);case"COS":return r(V.COS,y,e);case"CSNG":return r(V.CSNG,b,e);case"EXP":return r(V.EXP,y,e);case"FIX":case"FIX":return r(V.FIX,y,e);case"FRE":return;case"INKEY":return r(V.INKEY,v,e);case"INPUT":return r(V.INPUT_FUNC,v,e);case"INSTR":return r(V.INSTR,m,e);case"INT":return r(V.INT,y,e);case"LCASE":return r(V.LCASE,v,e);case"LEFT":return r(V.LEFT,v,e);case"LEN":return r(V.LEN,x,e);case"LTRIM":return r(V.LTRIM,v,e);case"MID":return r(V.MID,v,e);case"PEEK":return r(V.PEEK,m,e);case"RIGHT":return r(V.RIGHT,v,e);case"RND":return r(V.RND,b,e);case"RTRIM":return r(V.RTRIM,v,e);case"SIN":return r(V.SIN,y,e);case"LOG":return r(V.LOG,y,e);case"SPACE":return r(V.SPACE,v,e);case"STR":return r(V.STR,v,e);case"TAN":return r(V.TAN,y,e);case"TIMER":return r(V.TIMER,y,e);case"UCASE":return r(V.UCASE,v,e);case"VAL":return r(V.VAL,y,e);case"LINE_INPUT":return i(V.LINE_INPUT,e);case"POINT":return r(V.POINT,m,e);case"CURRENT_POINT":return r(V.CURRENT_POINT,m,e);case"VIEW":return i(V.VIEW,e);case"VIEW_PRINT":return i(V.VIEW_PRINT,e);case"SCREEN":return i(V.SCREEN,e);case"STRING":return r(V.STRING,v,e);case"SLEEP":return i(V.SLEEP,e);case"SOUND":case"BEEP":return}this.error("not implemented")}callFunction(t,e){const r=this.g.functions.get(t.toUpperCase());if(!r)return;if(r.builtin&&r.builtinOp){const t=this.newStackValue(r.type.resultType);return this.write(r.builtinOp,t,...e),t}if(r.builtin){switch(t){case"FRE":return this.constNumber(47724,x)}return void this.error("not implemented")}for(const t of e)if(!t)return;e=this.stackifyAll(e);const i=this.stackOffset,n=this.newStackValue(r.type.resultType);for(const t of e){const e=t.stackOffset,r=this.stackOffset++;e&ct?this.write(V.COPY,r,e):this.write(V.ADDRESS,r,e)}return r.calls.push(this.emit(V.CALL_FUNCTION,0,i)),this.stackOffset=i+1,n}input(t,e,r){const i=[];for(const t of r){if(!t.isVar)return void this.error("INPUT parameter not a variable");if(!t.type.isBasic())return void this.error("Expected basic type");i.push(new X(t.baseType(),this.nextStackOffset()))}this.write(V.INPUT,new j(t,e,i));for(let t=0;t<r.length;t++)this.assign(r[t],i[t].stackOffset)}ifBegin(t){t=this.stackify(t);const e=new ft(ut.kIF);e.branchInst=this.write(V.BRANCH_IFNOT,0,t),this.ctrlFlowStack.push(e)}elseBegin(t){const e=this.ctrlFlow(ut.kIF);e&&(e.endInstructions.push(this.emit(V.BRANCH,0)),e.branchInst&&this.recordBranchTarget(this.branchTargetHere(),e.branchInst),e.branchInst=t?this.write(V.BRANCH_IFNOT,0,t):void 0)}ifEnd(){const t=this.ctrlFlow(ut.kIF);if(t){t.branchInst&&this.recordBranchTarget(this.branchTargetHere(),t.branchInst);for(const e of t.endInstructions)this.recordBranchTarget(this.branchTargetHere(),e);this.ctrlFlowStack.pop()}}selectBegin(t){const e=new ft(ut.kSELECT);this.ctrlFlowStack.push(e),e.selectValue=this.stackify(t,!0)}selectCase(t){const e=this.ctrlFlow();if(!e)return;e.caseInstOffset.length>0&&e.endCaseInstructions.push(this.emit(V.BRANCH,0));const r=this.branchTargetHere();let i;for(const r of t){let t;if(r.single)t=this.op("=",[e.selectValue,r.single]);else if(r.range){const i=this.op(">=",[e.selectValue,r.range[0]]),n=this.op("<=",[e.selectValue,r.range[1]]);if(!i||!n)return;t=this.op("AND",[i,n])}else r.isExpr&&(t=this.op(r.isExpr[0].text,[e.selectValue,r.isExpr[1]]));if(!t)return;i=void 0===i?t:this.op("OR",[i,t])}const n=this.branchTargetHere();this.write(V.BRANCH_IFNOT,0,i),e.caseInstOffset.push([r,n])}selectCaseElse(){const t=this.ctrlFlow();if(!t)return;t.endCaseInstructions.push(this.emit(V.BRANCH,0));const e=this.branchTargetHere();this.emit(V.NOP),t.caseInstOffset.push([e,void 0])}selectEnd(){const t=this.ctrlFlow();if(!t)return;const e=this.branchTargetHere();for(const r of t.endCaseInstructions)this.recordBranchTarget(e,r);for(let r=0;r<t.caseInstOffset.length;++r){const[i,n]=t.caseInstOffset[r];if(void 0!==n){const i=this.blockInfo.inst[n.instOffset];r+1<t.caseInstOffset.length?this.recordBranchTarget(t.caseInstOffset[r+1][0],i):this.recordBranchTarget(e,i)}}this.ctrlFlowStack.pop(),t.selectValue.stackOffset+1===this.reservedStackSlots&&this.reservedStackSlots--}forBegin(t,e,r,i){if(!t.isVar()||!t.type.isNumeric())return void this.error("invalid index");r=this.stackify(r,!0);const n=new ft(ut.kFOR);this.assignVal(t,e),i=i?this.stackify(i):this.constNumber(1,t.type);const s=this.newStackValue(m),o=this.emit(V.BRANCH,0);n.loopStart=this.branchTargetHere();const a=this.stackify(t);this.write(V.ADD,a,a,i),this.assign(t,a.stackOffset),this.recordBranchTarget(this.branchTargetHere(),o),this.loadVar(a.stackOffset,t),this.write(V.LTE,s,a,r),n.branchInst=this.write(V.BRANCH_IFNOT,0,s),this.ctrlFlowStack.push(n)}forExit(){const t=this.ctrlFlow(ut.kFOR);t&&t.endInstructions.push(this.emit(V.BRANCH,0))}forEnd(){const t=this.ctrlFlow(ut.kFOR);if(t){this.ctrlFlowStack.pop(),this.write(V.BRANCH,t.loopStart),t.branchInst&&this.recordBranchTarget(this.branchTargetHere(),t.branchInst);for(const e of t.endInstructions)this.recordBranchTarget(this.branchTargetHere(),e)}}doBegin(){const t=new ft(ut.kDO);t.loopStart=this.branchTargetHere(),this.ctrlFlowStack.push(t)}doWhileCond(t){this.ctrlFlow().branchInst=this.write(V.BRANCH_IFNOT,0,t)}doExit(){const t=this.ctrlFlow(ut.kDO);t&&t.endInstructions.push(this.emit(V.BRANCH,0))}doEnd(t){const e=this.ctrlFlow();if(!e||e.type!==ut.kDO)return;t?this.write(V.BRANCH_IFNOT,e.loopStart,t):this.write(V.BRANCH,e.loopStart);const r=this.branchTargetHere();e.branchInst&&this.recordBranchTarget(r,e.branchInst);for(const t of e.endInstructions)this.recordBranchTarget(r,t);this.ctrlFlowStack.pop()}whileBegin(){const t=new ft(ut.kWHILE);t.loopStart=this.branchTargetHere(),this.ctrlFlowStack.push(t)}whileCond(t){const e=this.ctrlFlow();e&&(e.branchInst=this.write(V.BRANCH_IFNOT,0,t))}wend(){const t=this.ctrlFlow();if(!t||t.type!==ut.kWHILE)return;this.write(V.BRANCH,t.loopStart);const e=this.branchTargetHere();t.branchInst&&this.recordBranchTarget(e,t.branchInst),this.ctrlFlowStack.pop()}onErrorGoto(t,e){const r=new dt(this.blockInfo,this.emit(V.ON_ERROR_GOTO,0));"string"==typeof t?r.label=t:r.lineNumber=t,r.token=e,this.g.gotos.push(r)}gotoLine(t,e){const r=new dt(this.blockInfo,this.emit(V.BRANCH,0));r.lineNumber=t,r.token=e,this.g.gotos.push(r)}gotoLabel(t){const e=new dt(this.blockInfo,this.emit(V.BRANCH,0));e.label=t.text,e.token=t,this.g.gotos.push(e)}resumeNext(){this.write(V.RESUME_NEXT)}resume(){this.write(V.RESUME)}resumeGoto(t,e){const r=new dt(this.blockInfo,this.emit(V.RESUME_GOTO,0));r.setLabelOrLineNumber(t),r.globalLabel=!0,this.g.gotos.push(r)}goReturn(t,e){if(void 0===e)return void this.emit(V.EXIT_SUB);const r=new dt(this.blockInfo,this.emit(V.RETURN,0));t&&(r.token=t),r.setLabelOrLineNumber(e),this.g.gotos.push(r)}gosub(t,e){const r=new dt(this.blockInfo,this.emit(V.GOSUB,0,this.stackOffset));r.token=t,r.setLabelOrLineNumber(e),this.g.gotos.push(r)}locate(t,e){this.write(V.LOCATE,t,e)}color(t,e){t||(t=this.constNumber(-1,m)),e||(e=this.constNumber(-1,m)),this.write(V.COLOR,t,e)}palette(t,e){t?this.write(V.PALETTE,t,e):this.write(V.PALETTE)}pset(t,e){if(!t)return;let r,i;if(t.step){const e=this.newStackValue(m),n=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,n),r=this.newStackValue(m),i=this.newStackValue(m),this.write(V.ADD,r,e,t.x),this.write(V.ADD,i,n,t.y)}else r=t.x,i=t.y;const n=[r,i,void 0];e&&(n[2]=e),this.write(V.PSET,...n)}preset(t){if(!t)return;let e,r;if(t.step){const i=this.newStackValue(m),n=this.newStackValue(m);this.write(V.GET_DRAW_POS,i,n),e=this.newStackValue(m),r=this.newStackValue(m),this.write(V.ADD,e,i,t.x),this.write(V.ADD,r,n,t.y)}else e=t.x,r=t.y;const i=[e,r];this.write(V.PRESET,...i)}circle(t,e,r,i,n,s){let o,a;if(t.step){const e=this.newStackValue(m),r=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,r),o=this.newStackValue(m),a=this.newStackValue(m),this.write(V.ADD,o,e,t.x),this.write(V.ADD,a,r,t.y)}else o=t.x,a=t.y;this.write(V.CIRCLE,o,a,e,r,i,n,s)}paint(t,e,r,i){let n,s;if(t.step){const e=this.newStackValue(m),r=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,r),n=this.newStackValue(m),s=this.newStackValue(m),this.write(V.ADD,n,e,t.x),this.write(V.ADD,s,r,t.y)}else n=t.x,s=t.y;this.write(V.PAINT,n,s,e,r)}line(t,e,r,i,n){let s,o,a,l;if(t)if(t.step){const e=this.newStackValue(m),r=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,r),s=this.newStackValue(m),o=this.newStackValue(m),this.write(V.ADD,s,e,t.x),this.write(V.ADD,o,r,t.y)}else s=t.x,o=t.y;else s=this.newStackValue(m),o=this.newStackValue(m),this.write(V.GET_DRAW_POS,s,o);if(!e)return void this.error("to-coordinate missing");e.step?(a=this.newStackValue(m),l=this.newStackValue(m),this.write(V.ADD,a,s,e.x),this.write(V.ADD,l,o,e.y)):(a=e.x,l=e.y);const c=[s,o,a,l,void 0,void 0,void 0];r&&(c[4]=r),i&&(c[5]=i),null!==n&&(c[6]=n),this.write(V.LINE,...c)}draw(t){this.write(V.DRAW,t)}getGraphics(t,e,r,i){let n,s,o,a;if(t.step){const e=this.newStackValue(m),r=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,r),n=this.newStackValue(m),s=this.newStackValue(m),this.write(V.ADD,n,e,t.x),this.write(V.ADD,s,r,t.y)}else n=t.x,s=t.y;e.step?(o=this.newStackValue(m),a=this.newStackValue(m),this.write(V.ADD,o,n,e.x),this.write(V.ADD,a,s,e.y)):(o=e.x,a=e.y);const l=this.findVariable(r.text,i);l?this.write(V.GET_GRAPHICS,n,s,o,a,l):this.error("undefined variable",r.loc)}putGraphics(t,e,r,i){let n,s,o=function(t){switch(t){case"PSET":return M.kPset;case"PRESET":return M.kPreset;case"AND":return M.kAnd;case"OR":return M.kOr;case"XOR":return M.kXor}}(i);if(void 0===o)return void this.error("internal error");if(t.step){const e=this.newStackValue(m),r=this.newStackValue(m);this.write(V.GET_DRAW_POS,e,r),n=this.newStackValue(m),s=this.newStackValue(m),this.write(V.ADD,n,e,t.x),this.write(V.ADD,s,r,t.y)}else n=t.x,s=t.y;const a=this.findVariable(e.text,r);a?this.write(V.PUT_GRAPHICS,n,s,a,o):this.error("undefined variable",e.loc)}randomize(t){this.write(V.RANDOMIZE,t)}finalize(){if(this.g.isEnd||this.setEnd(),this.finalized)throw new Error("already finalized");const t=this.allBlocks();for(let e=t.length-1;e>=0;e--){t[e].insertDeclareInstructions()}const e=this.g.program.data.length,r=this.g.globalVarCount;for(const i of t){let t=i.startShift;i===this.blockInfo&&(t+=e+r);for(const r of i.inst)r.mapStackOffset(r=>{switch(r&ht){case 0:return r<i.argCount?r:r+t;case at:return(r^at)+e|D;case ct:return r^(ct|D);case lt:return(r^lt)+i.argCount}return r});for(const e of i.inst)e.id!==V.CALL_SUB&&e.id!==V.CALL_FUNCTION||(e.args[1]+=t)}let i=0;for(const e of t)e.setStartPC(i),i+=e.inst.length;for(const t of this.g.restores){let e;if("string"==typeof t.lbl){if(void 0===(e=this.g.labels.get(t.lbl.toUpperCase()))){this.error("label not found");continue}}else if(void 0===(e=this.g.lineNumbers.get(t.lbl))){this.error("line number not found");continue}t.restoreInst.args[0]=1;for(const r of this.g.dataOffsets)if(e.block===r.instructionIndex.block&&e.instOffset<=r.instructionIndex.instOffset){t.restoreInst.args[0]=r.dataOffset;break}}for(const[t,e]of this.g.subs)for(const t of e.calls)t.args[0]=e.blockInfo.startPc;for(const[t,e]of this.g.functions)for(const t of e.calls)t.args[0]=e.blockInfo.startPc;for(const t of this.g.gotos){let e;if(t.label){if(void 0===(e=this.g.labels.get(t.label.toUpperCase()))){this.error("label not found",t.token);continue}t.globalLabel?e.block!==this.blockInfo&&this.error("label not at module level",t.token):e.block!==t.sourceBlock&&(this.error("label not in this block"),t.token)}else if(void 0!==t.lineNumber){if(void 0===(e=this.g.lineNumbers.get(t.lineNumber))){this.error("line number not found",t.token);continue}}else void 0!==t.target&&(e=t.target);e?t.inst.args[0]=e.getPC():this.error("internal error")}const n=this.program();for(const e of t){for(const t of e.inst)n.inst.push(t);for(const t of e.statementOffsets)n.statementOffsets.push(t);for(const[t,r]of e.instToLine)n.instToLine.set(t+e.startPc,r)}this.finalized=!0}end(){this.write(V.END)}allBlocks(){const t=[this.blockInfo];for(const[e,r]of this.g.functions)r.blockInfo.startPc>=0&&t.push(r.blockInfo);for(const[e,r]of this.g.subs)r.blockInfo.startPc>=0&&t.push(r.blockInfo);return t}assignVal(t,e){const r=this.convert(e,t.type);this.assign(t,this.stackify(r).stackOffset)}assign(t,e){let r,i,n=t;if(t.isField()){i=[];const e=this.fieldToVarAndIndex(t,i);if(!e)return;n=e}n.index&&(r=n.index.map(t=>this.stackify(t).stackOffset)),this.write(V.ASSIGN,n.stackOffset,e,r,i)}constNumber(t,e){return this.stackify(k.newNumberLiteral(t,e))}ctrlFlow(t){if(!t&&this.ctrlFlowStack.length)return this.ctrlFlowStack[this.ctrlFlowStack.length-1];for(let e=this.ctrlFlowStack.length-1;e>=0;e--)if(this.ctrlFlowStack[e].type===t)return this.ctrlFlowStack[e]}reserveStackSlot(){return this.stackOffset!==this.reservedStackSlots?(this.error("internal error"),0):this.reservedStackSlots++}nextStackOffset(){return this.stackOffset++}autoVarKey(t){return t.baseType()===s.kSingle?t.varName.toUpperCase():t.varName.toUpperCase()+f(t.baseType())}varAddr(t){if(t.isVar()){if(t.dimmed)return t.varName;const e=this.autoVarKey(t);return this.autoVars.get(e)?e:(this.autoVars.set(e,k.newVar(t.varName,t.type)),this.parent?t.stackOffset=lt|this.localVarCount++:t.stackOffset=at|this.g.globalVarCount++,this.blockInfo.declareInstructions.push(new Q(V.DECLARE,[t.stackOffset,J.single(t.type,K(t.type))])),e)}return""}newStackValue(t){return k.newStackValue(t,this.nextStackOffset())}fieldToVarAndIndex(t,e){let r=t.fieldBase;if(!r)return;const i=r.type.lookupFieldOffset(t.varName);if(void 0!==i){if(r.isField()){const t=this.fieldToVarAndIndex(r,e);if(!t)return;r=t}else if(!r.isVar())return void this.error("internal error");return e.push(i),r}}loadVar(t,e){let r,i,n=e;if(e.isField()){i=[];const t=this.fieldToVarAndIndex(e,i);if(!t)return;n=t}return n.index&&(r=n.index.map(t=>this.stackify(t).stackOffset)),this.write(V.LOAD,t,n.stackOffset,r,i),k.newStackValue(e.type,t)}constDataVal(t){if(t.isLiteral()||t.isConst()){const e=wt.valConstKey(t),r=this.g.constantVals.get(e);if(r)return r;const i=wt.literalVarVal(t),n=this.g.program.data.length|ct;this.g.program.data.push(i);const s=k.newStackValue(t.type,n);return this.g.constantVals.set(e,s),s}}stackifyAll(t){return t.map(t=>this.stackify(t))}stackify(t,e=!1){if(!t)return S;const r=this.constDataVal(t);if(void 0!==r)return r;if(t.isStackValue()){if(!e||e&&t.stackOffset<this.reservedStackSlots)return t;const r=this.reservedStackSlots++;return this.write(V.COPY,r,t.stackOffset),k.newStackValue(t.type,r)}return!t.isVar()||t.global||t.index||t.isField()?t.isVar()||t.isField()?this.loadVar(e?this.reserveStackSlot():this.nextStackOffset(),t)||S:(this.error("invalid value"),S):t}constExpr(t,...e){if(!U.has(t))return;const r=e[0];for(let t=1;t<e.length;t++){const r=e[t];if(!(r instanceof k))return;if(!r.isLiteral()&&!r.isConst())return}const i=new $,n=[e.length-1];for(let t=1;t<e.length;t++){const r=e[t];i.data.push(wt.literalVarVal(r)),n.push(t-1)}i.inst.push(new Q(t,n));const s=new ot(i,new F);if(s.run(),s.exception)return;const o=s.stack[n[0]];return r.type===v?k.newStringLiteral(o.strVal()):k.newNumberLiteral(o.numVal(),r.type)}write(t,...e){const r=this.constExpr(t,...e);if(r){const t=e[0];if(t.kind===w.kStackValue)return t.kind=r.kind,t.stringValue=r.stringValue,void(t.numberValue=r.numberValue)}if(!(t===V.COPY&&e[0]===e[1]||t===V.ASSIGN&&e[0]===e[1]&&void 0===e[2]&&void 0===e[3])){if(t===V.BRANCH_IFNOT){const r=e[1];if(void 0!==r.constNumberValue()){if(r.numberValue)return;t=V.BRANCH,e.pop()}}return this.emit(t,...e)}}emit(t,...e){let r;for(let t=0;t<e.length;t++)e[t]instanceof k&&(e[t]=this.stackify(e[t]).stackOffset);e.length>=0&&e[0]instanceof mt&&(r=e[0],e[0]=0);const i=new Q(t,e);if(r&&this.recordBranchTarget(r,i),this.blockInfo.inst.push(i),this.g.locator){const t=this.g.locator.currentLocation();t&&this.blockInfo.instToLine.set(this.blockInfo.inst.length-1,t.line)}return i}expectNumeric(t){return!!t.type.isNumeric()||(this.error("expected numeric type",t.loc()),!1)}branchTargetHere(){return new mt(this.blockInfo,this.blockInfo.inst.length)}recordBranchTarget(t,e){const r=new dt(this.blockInfo,e);r.target=t,this.g.gotos.push(r)}}const kt="\n    attribute vec4 aVertexPosition;\n    void main(void) {\n      gl_Position =  aVertexPosition;\n    }\n  ",St="\n    precision highp float;\n    uniform sampler2D tex;\n    uniform sampler2D pal;\n    uniform vec2 WindowSize;\n    void main(void) {\n        float WW = WindowSize.x;\n        float WH = WindowSize.y;\n        // +0.5 reduces effect of precision loss\n        float y = floor(WH-gl_FragCoord.y)+0.5;\n        float x = floor(gl_FragCoord.x)+0.5;\n\n        float cc = texture2D(tex, vec2(x/WW, y/WH)).w;\n        vec4 c = texture2D(pal, vec2(cc+(0.5/255.0), 0.5));\n        gl_FragColor.r=c.x;\n        gl_FragColor.g=c.y;\n        gl_FragColor.b=c.z;\n        gl_FragColor.w=1.0;\n    }\n  ";function Et(t){return 1<<t%16}const Tt=[0,8,4,12,2,10,6,14,1,9,5,13,3,11,7,15];function Ct(t){return Tt[15&t]<<12|Tt[(240&t)>>4]<<8|Tt[(3840&t)>>8]<<4|Tt[(61440&t)>>12]}class It{constructor(t,e,r,i){this.left=t,this.top=e,this.right=r,this.bottom=i}copy(){return new It(this.left,this.top,this.right,this.bottom)}within(t,e){return!(t<this.left||e<this.top||t>this.right||e>this.bottom)}clamp(t,e){return[Math.min(Math.max(t,this.left),this.right),Math.min(Math.max(t,this.top),this.bottom)]}}class Ot{constructor(t,e){this.width=t,this.height=e,this.data=new Uint8Array(t*e),this.fullViewport=new It(0,0,t-1,e-1)}onScreen(t,e){return!(t<0||e<0||t>=this.width||e>=this.height)}pset(t,e,r,i){t<i.left||e<i.top||t>i.right||e>i.bottom||(this.data[t+e*this.width]=r)}pget(t,e){return t<0||e<0||t>=this.width||e>=this.height?0:this.data[t+e*this.width]}offsetAt(t,e){return t+e*this.width}blt(t,e,r,i,n,s,o){if(e<0&&(i+=e),r<0&&(n+=r),i+e>t.width&&(i=t.width-e),n+r>t.height&&(n=t.height-r),!(s>=this.width||o>=this.height||i<1||n<1||e>=t.width||r>=t.height)){if(s<0)return this.blt(t,e-s,r,i+s,n,0,o);if(o<0)return this.blt(t,e,r-o,i,n+o,s,0);for(let a=o;a<o+n;a++){const n=t.offsetAt(e,r);this.data.set(t.data.slice(n,n+i),this.offsetAt(s,a)),r++}}}drawChar(t,e,r,i,n,s,o){const[a,l]=[s.width,s.height];t*=a,e*=l;const[c,h]=s.charOffset(r),u=s.data();for(let r=0;r<l;r++)for(let s=0;s<a;s++)this.pset(t+s,e+r,u.pget(s+c,r+h)?i:n,o)}clear(t){this.data.fill(t)}drawCircle(t,e,r,i,n,s,o,a){const l=o>1?1/o:1,c=o<1?o:1,h=r*r,u=Math.ceil(r/Math.SQRT2);const f=t=>{const[e,i]=((t,e)=>Math.abs(t)>=Math.abs(e)?(e=Math.round(e),[t=t>0?Math.sqrt(h-e*e):-Math.sqrt(h-e*e),e]):[t=Math.round(t),e=e>0?Math.sqrt(h-t*t):-Math.sqrt(h-t*t)])(r*Math.cos(t),r*-Math.sin(t));return[Math.round(e),Math.round(i)]},[d,p]=f(n),[g,m]=f(s);let v=n>s;for(const[r,o]of function*(){for(let t=0;t>=-u;t--)yield[Math.sqrt(h-t*t),t];for(let t=u;t>=-u;t--)yield[t,-Math.sqrt(h-t*t)];for(let t=-u;t<=u;t++)yield[-Math.sqrt(h-t*t),t];for(let t=-u;t<=u;t++)yield[t,Math.sqrt(h-t*t)];for(let t=u;t>0;t--)yield[Math.sqrt(h-t*t),t]}()){const[h,u]=[Math.round(r*l),Math.round(o*c)];Math.round(r)===d&&Math.round(o)===p&&(v=!0),v&&this.pset(h+t,u+e,i,a),Math.round(r)===g&&Math.round(o)===m&&(g===d&&m===p&&s>n+3||(v=!1))}}paint(t,e,r,i,n){const s=new Set,o=[[t,e]];for(;o.length;){const[t,e]=o.pop();if(!n.within(t,e))continue;const a=this.offsetAt(t,e);s.has(a)||(s.add(a),this.pget(t,e)!==i&&(this.pset(t,e,r,n),o.push([t+1,e]),o.push([t-1,e]),o.push([t,e+1]),o.push([t,e-1])))}}filledRect(t,e,r,i,n,s){const[o,a]=[Math.min(t,r),Math.max(t,r)],[l,c]=[Math.min(e,i),Math.max(e,i)];for(let t=l;t<=c;t++){const e=this.offsetAt(o,t);this.data.fill(n,e,e+(a-o+1))}}rect(t,e,r,i,n,s,o){const[a,l]=[Math.min(t,r),Math.max(t,r)],[c,h]=[Math.min(e,i),Math.max(e,i)];this.line(a,c,l,c,n,s,o),this.line(a,h,l,h,n,s,o),this.line(a,c,a,h,n,s,o),this.line(l,c,l,h,n,s,o)}line(t,e,r,i,n,s,o){const a=r-t,l=i-e;return Math.abs(a)>=Math.abs(l)?t>r?this.linex(r,i,t,e,n,Ct(s),o):this.linex(t,e,r,i,n,s,o):e>i?this.liney(r,i,t,e,n,Ct(s),o):this.liney(t,e,r,i,n,s,o)}linex(t,e,r,i,n,s,o){const a=r-t,l=i-e,c=Math.abs(l/a);let h=0,u=e,f=0;for(let e=t;e<=r;e++)s&Et(f++)&&this.pset(e,u,n,o),(h+=c)>=.5&&(u+=Math.sign(l),h-=1)}liney(t,e,r,i,n,s,o){const a=r-t,l=i-e,c=Math.abs(a/l);let h=0,u=t,f=0;for(let t=e;t<=i;t++)s&Et(f++)&&this.pset(u,t,n,o),(h+=c)>=.5&&(u+=Math.sign(a),h-=1)}}function Lt(t){return t.split(",").map(t=>(function(t){let e;return/^#([A-Fa-f0-9]{3}){1,2}$/.test(t)?(3===(e=t.substring(1).split("")).length&&(e=[e[0],e[0],e[1],e[1],e[2],e[2]]),[(e="0x"+e.join(""))>>16&255,e>>8&255,255&e]):[0,0,0]})(t))}const Nt=new Map([[0,[[0,0,0],[0,0,170],[0,170,0],[0,170,170],[170,0,0],[170,0,170],[170,85,0],[170,170,170],[85,85,85],[85,85,255],[85,255,85],[85,255,255],[255,85,85],[255,85,255],[255,255,85],[255,255,255]]],[1,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff")],[2,Lt("#000000,#ffffff")],[7,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff")],[8,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff")],[9,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff")],[12,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff")],[13,Lt("#000000,#0000aa,#00aa00,#00aaaa,#aa0000,#aa00aa,#aa5500,#aaaaaa,#555555,#5555ff,#55ff55,#55ffff,#ff5555,#ff55ff,#ffff55,#ffffff,#000000,#141414,#202020,#2d2d2d,#393939,#454545,#515151,#616161,#717171,#828282,#929292,#a2a2a2,#b6b6b6,#cacaca,#e3e3e3,#ffffff,#0000ff,#4100ff,#7d00ff,#be00ff,#ff00ff,#ff00be,#ff007d,#ff0041,#ff0000,#ff4100,#ff7d00,#ffbe00,#ffff00,#beff00,#7dff00,#41ff00,#00ff00,#00ff41,#00ff7d,#00ffbe,#00ffff,#00beff,#007dff,#0041ff,#7d7dff,#9e7dff,#be7dff,#df7dff,#ff7dff,#ff7ddf,#ff7dbe,#ff7d9e,#ff7d7d,#ff9e7d,#ffbe7d,#ffdf7d,#ffff7d,#dfff7d,#beff7d,#9eff7d,#7dff7d,#7dff9e,#7dffbe,#7dffdf,#7dffff,#7ddfff,#7dbeff,#7d9eff,#b6b6ff,#c6b6ff,#dbb6ff,#ebb6ff,#ffb6ff,#ffb6eb,#ffb6db,#ffb6c6,#ffb6b6,#ffc6b6,#ffdbb6,#ffebb6,#ffffb6,#ebffb6,#dbffb6,#c6ffb6,#b6ffb6,#b6ffc6,#b6ffdb,#b6ffeb,#b6ffff,#b6ebff,#b6dbff,#b6c6ff,#000071,#1c0071,#390071,#550071,#710071,#710055,#710039,#71001c,#710000,#711c00,#713900,#715500,#717100,#557100,#397100,#1c7100,#007100,#00711c,#007139,#007155,#007171,#005571,#003971,#001c71,#393971,#453971,#553971,#613971,#713971,#713961,#713955,#713945,#713939,#714539,#715539,#716139,#717139,#617139,#557139,#457139,#397139,#397145,#397155,#397161,#397171,#396171,#395571,#394571,#515171,#595171,#615171,#695171,#715171,#715169,#715161,#715159,#715151,#715951,#716151,#716951,#717151,#697151,#617151,#597151,#517151,#517159,#517161,#517169,#517171,#516971,#516171,#515971,#000041,#100041,#200041,#310041,#410041,#410031,#410020,#410010,#410000,#411000,#412000,#413100,#414100,#314100,#204100,#104100,#004100,#004110,#004120,#004131,#004141,#003141,#002041,#001041,#202041,#282041,#312041,#392041,#412041,#412039,#412031,#412028,#412020,#412820,#413120,#413920,#414120,#394120,#314120,#284120,#204120,#204128,#204131,#204139,#204141,#203941,#203141,#202841,#2d2d41,#312d41,#352d41,#3d2d41,#412d41,#412d3d,#412d35,#412d31,#412d2d,#41312d,#41352d,#413d2d,#41412d,#3d412d,#35412d,#31412d,#2d412d,#2d4131,#2d4135,#2d413d,#2d4141,#2d3d41,#2d3541,#2d3141,#000000,#000000,#000000,#000000,#000000,#000000,#000000,#000000")]]),At=new Map([[0,[640,480]],[1,[320,200]],[2,[640,200]],[7,[320,200]],[8,[640,200]],[9,[640,350]],[12,[640,480]],[13,[320,200]]]);class Dt{constructor(t,e,r){this.canvas=t,this.width=e,this.height=r,this.dtors=[],this.buffer=new Ot(e,r),this.palette=new Uint8Array(768),this.setPalette(Nt.get(0));const i=this.canvas.getContext("webgl");if(!i)return void window.alert("Can't get WebGL context");this.gl=i,this.positionBuffer=i.createBuffer(),i.bindBuffer(i.ARRAY_BUFFER,this.positionBuffer);i.bufferData(i.ARRAY_BUFFER,new Float32Array([1,1,-1,1,1,-1,-1,-1]),i.STATIC_DRAW);const n=function(t){const e=Rt(t,t.VERTEX_SHADER,kt),r=Rt(t,t.FRAGMENT_SHADER,St);if(!e||!r)return;const i=t.createProgram();if(t.attachShader(i,e.shader),t.attachShader(i,r.shader),t.linkProgram(i),!t.getProgramParameter(i,t.LINK_STATUS))return alert("Unable to initialize the shader program: "+t.getProgramInfoLog(i)),null;return{program:i,dtor:()=>{e.dtor(),r.dtor(),t.deleteProgram(i)}}}(i);n&&(this.dtors.push(n.dtor),this.shaderProgram=n.program)}setPaletteEntry(t,e){this.palette[3*t+0]=e[0],this.palette[3*t+1]=e[1],this.palette[3*t+2]=e[2]}setPalette(t){for(let e=0;e<256;e++)t.length>e?(this.palette[3*e]=t[e][0],this.palette[3*e+1]=t[e][1],this.palette[3*e+2]=t[e][2]):(this.palette[3*e]=0,this.palette[3*e+1]=0,this.palette[3*e+2]=0)}free(){for(const t of this.dtors)t()}draw(){const t=this.gl;t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.clear(t.COLOR_BUFFER_BIT),t.bindBuffer(t.ARRAY_BUFFER,this.positionBuffer),t.vertexAttribPointer(t.getAttribLocation(this.shaderProgram,"aVertexPosition"),2,t.FLOAT,!1,0,0),t.enableVertexAttribArray(t.getAttribLocation(this.shaderProgram,"aVertexPosition"));const e=t.createTexture();{const r=this.buffer.data;t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,e),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,r)}const r=t.createTexture();{const e=this.palette;t.activeTexture(t.TEXTURE1),t.bindTexture(t.TEXTURE_2D,r),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.RGB,256,1,0,t.RGB,t.UNSIGNED_BYTE,e)}t.useProgram(this.shaderProgram),t.uniform1i(t.getUniformLocation(this.shaderProgram,"tex"),0),t.uniform1i(t.getUniformLocation(this.shaderProgram,"pal"),1),t.uniform2f(t.getUniformLocation(this.shaderProgram,"WindowSize"),this.canvas.width,this.canvas.height),t.drawArrays(t.TRIANGLE_STRIP,0,4)}}function Rt(t,e,r){const i=t.createShader(e);return t.shaderSource(i,r),t.compileShader(i),t.getShaderParameter(i,t.COMPILE_STATUS)?{shader:i,dtor:()=>t.deleteShader(i)}:(alert("An error occurred compiling the shaders: "+t.getShaderInfoLog(i)),void t.deleteShader(i))}var Mt;!function(t){t[t.k8x8=0]="k8x8",t[t.k8x16=1]="k8x16",t[t.k8x14=2]="k8x14"}(Mt||(Mt={}));const 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e=Gt.charCode(t);this.keysDown.add(e)};window.addEventListener("keyup",t),window.addEventListener("keydown",e),this.destroy=(()=>{window.removeEventListener("keyup",t),window.removeEventListener("keydown",e)})}static charCode(t){return 1===t.key.length?t.key.charCodeAt(0):0}destroy(){}activeKey(){if(!this.keysDown.size)return 0;let t;for(t of this.keysDown.entries());return t}}new Gt;class zt{constructor(){this.input="";const t=t=>{if(this.keyPressed)return this.keyPressed(t.key),void t.preventDefault();1===t.key.length&&(this.input+=t.key,this.inputChanged&&this.inputChanged(this.input,!1),t.preventDefault())},e=t=>{this.keyPressed||("Backspace"===t.key&&this.input.length>0&&(this.input=this.input.substr(0,this.input.length-1),this.inputChanged&&this.inputChanged(this.input,!1),t.preventDefault()),"Enter"===t.key&&(this.inputChanged?this.inputChanged(this.input,!0):this.input+="\n",t.preventDefault()))};window.addEventListener("keypress",t),window.addEventListener("keydown",e),this.destroy=(()=>{window.removeEventListener("keypress",t),window.removeEventListener("keydown",e)})}nextKey(){if(this.input.length>0){const t=this.input.substr(0,1);return this.input=this.input.substr(1),t}return""}destroy(){}}class _t{constructor(t){this.buffer=t,this.x=0,this.y=0,this.bgcolor=0,this.fgcolor=15,this.printViewTop=0,this.printViewBottom=24}}class Xt{constructor(t){this.canvasHolder=t,this.textOutput="",this.relativeViewport=!1,this.activeBufferIndex=0,this.dirty=!0,this.currentScreen=0,this.inputBuffer=new zt,this.currentScreen=-1,this.screen(0,void 0,void 0,void 0),this.charmap=Wt(),this.charHeight=this.charmap.height,window.setInterval(()=>this.refresh(),100)}destroy(){this.inputBuffer.destroy(),this.canvas&&this.canvas.remove()}bestCanvasSize(){const t=this.canvasHolder.offsetWidth,e=this.width;let r=1;for(let i=2;i<10;i++)e*i<=t&&(r=i);return[r*e,r*this.height]}refresh(){if(this.canvas){const[t,e]=this.bestCanvasSize();t===this.canvas.width&&e===this.canvas.height||([this.canvas.width,this.canvas.height]=this.bestCanvasSize())}this.dirty&&this.s&&(this.s.draw(),this.dirty=!1)}newline(){this.abuf().x=0,this.abuf().y+=1}setDims(t,e,r,i,n){this.charHeight=i,this.width=t,this.height=e,this.cols=Math.trunc(t/r),this.rows=Math.trunc(e/i),this.canvas&&(this.canvas.remove(),this.s.free(),this.s=void 0,this.canvas=void 0),this.canvas=document.createElement("canvas"),[this.canvas.width,this.canvas.height]=this.bestCanvasSize(),this.canvasHolder.appendChild(this.canvas),this.s=new Dt(this.canvas,this.width,this.height),this.screenBuffers=[new _t(this.s.buffer)],this.activeBufferIndex=0;for(let t=1;t<n;t++)this.screenBuffers.push(new _t(new Ot(this.s.buffer.width,this.s.buffer.height)));this.graphicsViewport=this.s.buffer.fullViewport.copy(),this.textViewport=this.s.buffer.fullViewport.copy(),this.abuf().printViewTop=1,this.abuf().printViewBottom=this.rows}cursor(t){}locate(t,e){const r=this.abuf();void 0!==e&&(r.x=Math.max(0,Math.min(Math.floor(e),this.cols-1))),void 0!==t&&(r.y=Math.max(0,Math.min(Math.floor(t),this.rows-1)))}print(t){const e=this.abuf();this.cursor(!1);for(const r of t)if(e.y>=e.printViewBottom&&this.scroll(),"\t"===r)e.x=14*Math.floor((e.x+14)/14),e.x>=this.cols&&(e.x=0,this.newline());else if("\n"===r)this.newline();else{const t=r.charCodeAt(0);e.buffer.drawChar(e.x,e.y,t,e.fgcolor,e.bgcolor,this.charmap,this.textViewport),this.dirty=!0,e.x+=1,e.x===this.cols&&this.newline()}}input(t){const e=this.abuf().x,r=this.abuf().y;let i="";const n=(n,s)=>{for(this.abuf().x=e,this.abuf().y=r;i&&i.length>n.length;)n+=" ";this.print(n),i=n,s&&(this.inputBuffer.inputChanged=void 0,this.inputBuffer.input="",t(n))};this.inputBuffer.inputChanged=n,n(this.inputBuffer.input,!1)}inkeyWait(t,e){let r="",i=0;this.inputBuffer.keyPressed=(n=>{r+=n,++i===t&&(this.inputBuffer.keyPressed=void 0,e(r))})}setForeColor(t){this.abuf().fgcolor=t}setBackColor(t){this.abuf().bgcolor=t}foreColor(){return this.abuf().fgcolor}backColor(){return this.abuf().bgcolor}resetPalette(){if(!this.s)return;const t=Nt.get(this.currentScreen);t&&(this.s.setPalette(t),this.dirty=!0)}setPaletteAttribute(t,e){if(!this.s)return;const r=[e%256,Math.trunc(e/256)%256,Math.trunc(e/65536)%256];this.s.setPaletteEntry(t,r),this.dirty=!0}inkey(){return this.inputBuffer.nextKey()}pset(t,e,r){const i=this.abuf();r||(r=i.fgcolor),i.buffer.pset(t,e,r,this.graphicsViewport),this.dirty=!0}point(t,e){return this.abuf().buffer.pget(t,e)}setViewPrint(t,e){this.abuf().y=t-1,this.abuf().x=0,this.abuf().printViewTop=t-1,this.abuf().printViewBottom=e-1}setView(t,e,r,i,n){this.s&&([this.graphicsViewport.left,this.graphicsViewport.top]=this.s.buffer.fullViewport.clamp(Math.min(t,r),Math.min(e,i)),[this.graphicsViewport.right,this.graphicsViewport.bottom]=this.s.buffer.fullViewport.clamp(Math.max(t,r),Math.max(e,i)),this.relativeViewport=n)}screenLines(){return this.rows}circle(t,e,r,i,n,s,o){const a=this.abuf();this.relativeViewport&&(t+=this.graphicsViewport.left,e+=this.graphicsViewport.top),void 0===i&&(i=a.fgcolor),a.buffer.drawCircle(t,e,r,i,n,s,o,this.graphicsViewport),this.dirty=!0}paint(t,e,r,i){const n=this.abuf();this.relativeViewport&&(t+=this.graphicsViewport.left,e+=this.graphicsViewport.top),void 0===r&&(r=n.fgcolor),void 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ot(r.program(),i),se.exe.onEnd=(()=>{document.getElementById("program_running").classList.add("hidden"),document.getElementById("program_complete").classList.remove("hidden")}),se.exe.onException=((t,e)=>{document.getElementById("program_running").classList.add("hidden"),document.getElementById("program_complete").classList.remove("hidden"),function(t){Kt.setCursor(t,0)}(e),window.alert("Exception: "+t+", on line "+e)}),se.exe.start()}function fe(){se.exe&&(se.exe.destroy(),se.exe=void 0),se.pc&&(se.pc.destroy(),se.pc=void 0),document.getElementById("runscreen").classList.add("hidden"),document.getElementById("editscreen").classList.remove("hidden"),Kt.focus()}function de(){fe(),se.newProgram()}function pe(){te.list().then(t=>{const e=document.getElementById("openprogramtable"),r=[];for(const e of t)r.push(`<tr><td><a href='#${e.id}'>${re(e.title)}</a></td></tr>`);e.innerHTML=r.join("\n"),document.getElementById("opendialog").classList.remove("hidden")})}function ge(){se.deleteProgram(()=>{})}function me(){document.getElementById("opendialog").classList.add("hidden"),document.getElementById("openprogramtable").innerHTML=""}window.addEventListener("keypress",t=>{se.exe&&se.exe.done&&!document.getElementById("runscreen").classList.contains("hidden")&&(fe(),t.preventDefault())}),window.addEventListener("keydown",t=>{("/"===t.key&&t.ctrlKey||"F5"===t.key)&&(ue(),t.preventDefault())})}]);</script>
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