| 1 | | !function(e){var n={};function t(r){if(n[r])return n[r].exports;var a=n[r]={i:r,l:!1,exports:{}};return e[r].call(a.exports,a,a.exports,t),a.l=!0,a.exports}t.m=e,t.c=n,t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,n){return Object.prototype.hasOwnProperty.call(e,n)},t.p="",t(t.s="./src/index.js")}({"./node_modules/codemirror/lib/codemirror.js":function(module,exports,__webpack_require__){eval('// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: http://codemirror.net/LICENSE\n\n// This is CodeMirror (http://codemirror.net), a code editor\n// implemented in JavaScript on top of the browser\'s DOM.\n//\n// You can find some technical background for some of the code below\n// at http://marijnhaverbeke.nl/blog/#cm-internals .\n\n(function (global, factory) {\n\t true ? module.exports = factory() :\n\tundefined;\n}(this, (function () { \'use strict\';\n\n// Kludges for bugs and behavior differences that can\'t be feature\n// detected are enabled based on userAgent etc sniffing.\nvar userAgent = navigator.userAgent;\nvar platform = navigator.platform;\n\nvar gecko = /gecko\\/\\d/i.test(userAgent);\nvar ie_upto10 = /MSIE \\d/.test(userAgent);\nvar ie_11up = /Trident\\/(?:[7-9]|\\d{2,})\\..*rv:(\\d+)/.exec(userAgent);\nvar edge = /Edge\\/(\\d+)/.exec(userAgent);\nvar ie = ie_upto10 || ie_11up || edge;\nvar ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);\nvar webkit = !edge && /WebKit\\//.test(userAgent);\nvar qtwebkit = webkit && /Qt\\/\\d+\\.\\d+/.test(userAgent);\nvar chrome = !edge && /Chrome\\//.test(userAgent);\nvar presto = /Opera\\//.test(userAgent);\nvar safari = /Apple Computer/.test(navigator.vendor);\nvar mac_geMountainLion = /Mac OS X 1\\d\\D([8-9]|\\d\\d)\\D/.test(userAgent);\nvar phantom = /PhantomJS/.test(userAgent);\n\nvar ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\\/\\w+/.test(userAgent);\nvar android = /Android/.test(userAgent);\n// This is woefully incomplete. Suggestions for alternative methods welcome.\nvar mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);\nvar mac = ios || /Mac/.test(platform);\nvar chromeOS = /\\bCrOS\\b/.test(userAgent);\nvar windows = /win/i.test(platform);\n\nvar presto_version = presto && userAgent.match(/Version\\/(\\d*\\.\\d*)/);\nif (presto_version) { presto_version = Number(presto_version[1]); }\nif (presto_version && presto_version >= 15) { presto = false; webkit = true; }\n// Some browsers use the wrong event properties to signal cmd/ctrl on OS X\nvar flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));\nvar captureRightClick = gecko || (ie && ie_version >= 9);\n\nfunction classTest(cls) { return new RegExp("(^|\\\\s)" + cls + "(?:$|\\\\s)\\\\s*") }\n\nvar rmClass = function(node, cls) {\n var current = node.className;\n var match = classTest(cls).exec(current);\n if (match) {\n var after = current.slice(match.index + match[0].length);\n node.className = current.slice(0, match.index) + (after ? match[1] + after : "");\n }\n};\n\nfunction removeChildren(e) {\n for (var count = e.childNodes.length; count > 0; --count)\n { e.removeChild(e.firstChild); }\n return e\n}\n\nfunction removeChildrenAndAdd(parent, e) {\n return removeChildren(parent).appendChild(e)\n}\n\nfunction elt(tag, content, className, style) {\n var e = document.createElement(tag);\n if (className) { e.className = className; }\n if (style) { e.style.cssText = style; }\n if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }\n else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }\n return e\n}\n// wrapper for elt, which removes the elt from the accessibility tree\nfunction eltP(tag, content, className, style) {\n var e = elt(tag, content, className, style);\n e.setAttribute("role", "presentation");\n return e\n}\n\nvar range;\nif (document.createRange) { range = function(node, start, end, endNode) {\n var r = document.createRange();\n r.setEnd(endNode || node, end);\n r.setStart(node, start);\n return r\n}; }\nelse { range = function(node, start, end) {\n var r = document.body.createTextRange();\n try { r.moveToElementText(node.parentNode); }\n catch(e) { return r }\n r.collapse(true);\n r.moveEnd("character", end);\n r.moveStart("character", start);\n return r\n}; }\n\nfunction contains(parent, child) {\n if (child.nodeType == 3) // Android browser always returns false when child is a textnode\n { child = child.parentNode; }\n if (parent.contains)\n { return parent.contains(child) }\n do {\n if (child.nodeType == 11) { child = child.host; }\n if (child == parent) { return true }\n } while (child = child.parentNode)\n}\n\nfunction activeElt() {\n // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.\n // IE < 10 will throw when accessed while the page is loading or in an iframe.\n // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.\n var activeElement;\n try {\n activeElement = document.activeElement;\n } catch(e) {\n activeElement = document.body || null;\n }\n while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)\n { activeElement = activeElement.shadowRoot.activeElement; }\n return activeElement\n}\n\nfunction addClass(node, cls) {\n var current = node.className;\n if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }\n}\nfunction joinClasses(a, b) {\n var as = a.split(" ");\n for (var i = 0; i < as.length; i++)\n { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }\n return b\n}\n\nvar selectInput = function(node) { node.select(); };\nif (ios) // Mobile Safari apparently has a bug where select() is broken.\n { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }\nelse if (ie) // Suppress mysterious IE10 errors\n { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }\n\nfunction bind(f) {\n var args = Array.prototype.slice.call(arguments, 1);\n return function(){return f.apply(null, args)}\n}\n\nfunction copyObj(obj, target, overwrite) {\n if (!target) { target = {}; }\n for (var prop in obj)\n { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))\n { target[prop] = obj[prop]; } }\n return target\n}\n\n// Counts the column offset in a string, taking tabs into account.\n// Used mostly to find indentation.\nfunction countColumn(string, end, tabSize, startIndex, startValue) {\n if (end == null) {\n end = string.search(/[^\\s\\u00a0]/);\n if (end == -1) { end = string.length; }\n }\n for (var i = startIndex || 0, n = startValue || 0;;) {\n var nextTab = string.indexOf("\\t", i);\n if (nextTab < 0 || nextTab >= end)\n { return n + (end - i) }\n n += nextTab - i;\n n += tabSize - (n % tabSize);\n i = nextTab + 1;\n }\n}\n\nvar Delayed = function() {this.id = null;};\nDelayed.prototype.set = function (ms, f) {\n clearTimeout(this.id);\n this.id = setTimeout(f, ms);\n};\n\nfunction indexOf(array, elt) {\n for (var i = 0; i < array.length; ++i)\n { if (array[i] == elt) { return i } }\n return -1\n}\n\n// Number of pixels added to scroller and sizer to hide scrollbar\nvar scrollerGap = 30;\n\n// Returned or thrown by various protocols to signal \'I\'m not\n// handling this\'.\nvar Pass = {toString: function(){return "CodeMirror.Pass"}};\n\n// Reused option objects for setSelection & friends\nvar sel_dontScroll = {scroll: false};\nvar sel_mouse = {origin: "*mouse"};\nvar sel_move = {origin: "+move"};\n\n// The inverse of countColumn -- find the offset that corresponds to\n// a particular column.\nfunction findColumn(string, goal, tabSize) {\n for (var pos = 0, col = 0;;) {\n var nextTab = string.indexOf("\\t", pos);\n if (nextTab == -1) { nextTab = string.length; }\n var skipped = nextTab - pos;\n if (nextTab == string.length || col + skipped >= goal)\n { return pos + Math.min(skipped, goal - col) }\n col += nextTab - pos;\n col += tabSize - (col % tabSize);\n pos = nextTab + 1;\n if (col >= goal) { return pos }\n }\n}\n\nvar spaceStrs = [""];\nfunction spaceStr(n) {\n while (spaceStrs.length <= n)\n { spaceStrs.push(lst(spaceStrs) + " "); }\n return spaceStrs[n]\n}\n\nfunction lst(arr) { return arr[arr.length-1] }\n\nfunction map(array, f) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }\n return out\n}\n\nfunction insertSorted(array, value, score) {\n var pos = 0, priority = score(value);\n while (pos < array.length && score(array[pos]) <= priority) { pos++; }\n array.splice(pos, 0, value);\n}\n\nfunction nothing() {}\n\nfunction createObj(base, props) {\n var inst;\n if (Object.create) {\n inst = Object.create(base);\n } else {\n nothing.prototype = base;\n inst = new nothing();\n }\n if (props) { copyObj(props, inst); }\n return inst\n}\n\nvar nonASCIISingleCaseWordChar = /[\\u00df\\u0587\\u0590-\\u05f4\\u0600-\\u06ff\\u3040-\\u309f\\u30a0-\\u30ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\uac00-\\ud7af]/;\nfunction isWordCharBasic(ch) {\n return /\\w/.test(ch) || ch > "\\x80" &&\n (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))\n}\nfunction isWordChar(ch, helper) {\n if (!helper) { return isWordCharBasic(ch) }\n if (helper.source.indexOf("\\\\w") > -1 && isWordCharBasic(ch)) { return true }\n return helper.test(ch)\n}\n\nfunction isEmpty(obj) {\n for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }\n return true\n}\n\n// Extending unicode characters. A series of a non-extending char +\n// any number of extending chars is treated as a single unit as far\n// as editing and measuring is concerned. This is not fully correct,\n// since some scripts/fonts/browsers also treat other configurations\n// of code points as a group.\nvar extendingChars = /[\\u0300-\\u036f\\u0483-\\u0489\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u065e\\u0670\\u06d6-\\u06dc\\u06de-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0900-\\u0902\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0955\\u0962\\u0963\\u0981\\u09bc\\u09be\\u09c1-\\u09c4\\u09cd\\u09d7\\u09e2\\u09e3\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a70\\u0a71\\u0a75\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0b01\\u0b3c\\u0b3e\\u0b3f\\u0b41-\\u0b44\\u0b4d\\u0b56\\u0b57\\u0b62\\u0b63\\u0b82\\u0bbe\\u0bc0\\u0bcd\\u0bd7\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0cbc\\u0cbf\\u0cc2\\u0cc6\\u0ccc\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0d3e\\u0d41-\\u0d44\\u0d4d\\u0d57\\u0d62\\u0d63\\u0dca\\u0dcf\\u0dd2-\\u0dd4\\u0dd6\\u0ddf\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f90-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032-\\u1037\\u1039\\u103a\\u103d\\u103e\\u1058\\u1059\\u105e-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108d\\u109d\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u180b-\\u180d\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1a56\\u1a58-\\u1a5e\\u1a60\\u1a62\\u1a65-\\u1a6c\\u1a73-\\u1a7c\\u1a7f\\u1b00-\\u1b03\\u1b34\\u1b36-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1b80\\u1b81\\u1ba2-\\u1ba5\\u1ba8\\u1ba9\\u1c2c-\\u1c33\\u1c36\\u1c37\\u1cd0-\\u1cd2\\u1cd4-\\u1ce0\\u1ce2-\\u1ce8\\u1ced\\u1dc0-\\u1de6\\u1dfd-\\u1dff\\u200c\\u200d\\u20d0-\\u20f0\\u2cef-\\u2cf1\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua66f-\\ua672\\ua67c\\ua67d\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua825\\ua826\\ua8c4\\ua8e0-\\ua8f1\\ua926-\\ua92d\\ua947-\\ua951\\ua980-\\ua982\\ua9b3\\ua9b6-\\ua9b9\\ua9bc\\uaa29-\\uaa2e\\uaa31\\uaa32\\uaa35\\uaa36\\uaa43\\uaa4c\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uabe5\\uabe8\\uabed\\udc00-\\udfff\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe26\\uff9e\\uff9f]/;\nfunction isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }\n\n// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.\nfunction skipExtendingChars(str, pos, dir) {\n while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }\n return pos\n}\n\n// Returns the value from the range [`from`; `to`] that satisfies\n// `pred` and is closest to `from`. Assumes that at least `to`\n// satisfies `pred`. Supports `from` being greater than `to`.\nfunction findFirst(pred, from, to) {\n // At any point we are certain `to` satisfies `pred`, don\'t know\n // whether `from` does.\n var dir = from > to ? -1 : 1;\n for (;;) {\n if (from == to) { return from }\n var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);\n if (mid == from) { return pred(mid) ? from : to }\n if (pred(mid)) { to = mid; }\n else { from = mid + dir; }\n }\n}\n\n// The display handles the DOM integration, both for input reading\n// and content drawing. It holds references to DOM nodes and\n// display-related state.\n\nfunction Display(place, doc, input) {\n var d = this;\n this.input = input;\n\n // Covers bottom-right square when both scrollbars are present.\n d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");\n d.scrollbarFiller.setAttribute("cm-not-content", "true");\n // Covers bottom of gutter when coverGutterNextToScrollbar is on\n // and h scrollbar is present.\n d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");\n d.gutterFiller.setAttribute("cm-not-content", "true");\n // Will contain the actual code, positioned to cover the viewport.\n d.lineDiv = eltP("div", null, "CodeMirror-code");\n // Elements are added to these to represent selection and cursors.\n d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");\n d.cursorDiv = elt("div", null, "CodeMirror-cursors");\n // A visibility: hidden element used to find the size of things.\n d.measure = elt("div", null, "CodeMirror-measure");\n // When lines outside of the viewport are measured, they are drawn in this.\n d.lineMeasure = elt("div", null, "CodeMirror-measure");\n // Wraps everything that needs to exist inside the vertically-padded coordinate system\n d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],\n null, "position: relative; outline: none");\n var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");\n // Moved around its parent to cover visible view.\n d.mover = elt("div", [lines], null, "position: relative");\n // Set to the height of the document, allowing scrolling.\n d.sizer = elt("div", [d.mover], "CodeMirror-sizer");\n d.sizerWidth = null;\n // Behavior of elts with overflow: auto and padding is\n // inconsistent across browsers. This is used to ensure the\n // scrollable area is big enough.\n d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");\n // Will contain the gutters, if any.\n d.gutters = elt("div", null, "CodeMirror-gutters");\n d.lineGutter = null;\n // Actual scrollable element.\n d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");\n d.scroller.setAttribute("tabIndex", "-1");\n // The element in which the editor lives.\n d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");\n\n // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)\n if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }\n if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }\n\n if (place) {\n if (place.appendChild) { place.appendChild(d.wrapper); }\n else { place(d.wrapper); }\n }\n\n // Current rendered range (may be bigger than the view window).\n d.viewFrom = d.viewTo = doc.first;\n d.reportedViewFrom = d.reportedViewTo = doc.first;\n // Information about the rendered lines.\n d.view = [];\n d.renderedView = null;\n // Holds info about a single rendered line when it was rendered\n // for measurement, while not in view.\n d.externalMeasured = null;\n // Empty space (in pixels) above the view\n d.viewOffset = 0;\n d.lastWrapHeight = d.lastWrapWidth = 0;\n d.updateLineNumbers = null;\n\n d.nativeBarWidth = d.barHeight = d.barWidth = 0;\n d.scrollbarsClipped = false;\n\n // Used to only resize the line number gutter when necessary (when\n // the amount of lines crosses a boundary that makes its width change)\n d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;\n // Set to true when a non-horizontal-scrolling line widget is\n // added. As an optimization, line widget aligning is skipped when\n // this is false.\n d.alignWidgets = false;\n\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n\n // Tracks the maximum line length so that the horizontal scrollbar\n // can be kept static when scrolling.\n d.maxLine = null;\n d.maxLineLength = 0;\n d.maxLineChanged = false;\n\n // Used for measuring wheel scrolling granularity\n d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;\n\n // True when shift is held down.\n d.shift = false;\n\n // Used to track whether anything happened since the context menu\n // was opened.\n d.selForContextMenu = null;\n\n d.activeTouch = null;\n\n input.init(d);\n}\n\n// Find the line object corresponding to the given line number.\nfunction getLine(doc, n) {\n n -= doc.first;\n if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }\n var chunk = doc;\n while (!chunk.lines) {\n for (var i = 0;; ++i) {\n var child = chunk.children[i], sz = child.chunkSize();\n if (n < sz) { chunk = child; break }\n n -= sz;\n }\n }\n return chunk.lines[n]\n}\n\n// Get the part of a document between two positions, as an array of\n// strings.\nfunction getBetween(doc, start, end) {\n var out = [], n = start.line;\n doc.iter(start.line, end.line + 1, function (line) {\n var text = line.text;\n if (n == end.line) { text = text.slice(0, end.ch); }\n if (n == start.line) { text = text.slice(start.ch); }\n out.push(text);\n ++n;\n });\n return out\n}\n// Get the lines between from and to, as array of strings.\nfunction getLines(doc, from, to) {\n var out = [];\n doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value\n return out\n}\n\n// Update the height of a line, propagating the height change\n// upwards to parent nodes.\nfunction updateLineHeight(line, height) {\n var diff = height - line.height;\n if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }\n}\n\n// Given a line object, find its line number by walking up through\n// its parent links.\nfunction lineNo(line) {\n if (line.parent == null) { return null }\n var cur = line.parent, no = indexOf(cur.lines, line);\n for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {\n for (var i = 0;; ++i) {\n if (chunk.children[i] == cur) { break }\n no += chunk.children[i].chunkSize();\n }\n }\n return no + cur.first\n}\n\n// Find the line at the given vertical position, using the height\n// information in the document tree.\nfunction lineAtHeight(chunk, h) {\n var n = chunk.first;\n outer: do {\n for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {\n var child = chunk.children[i$1], ch = child.height;\n if (h < ch) { chunk = child; continue outer }\n h -= ch;\n n += child.chunkSize();\n }\n return n\n } while (!chunk.lines)\n var i = 0;\n for (; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i], lh = line.height;\n if (h < lh) { break }\n h -= lh;\n }\n return n + i\n}\n\nfunction isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}\n\nfunction lineNumberFor(options, i) {\n return String(options.lineNumberFormatter(i + options.firstLineNumber))\n}\n\n// A Pos instance represents a position within the text.\nfunction Pos(line, ch, sticky) {\n if ( sticky === void 0 ) sticky = null;\n\n if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }\n this.line = line;\n this.ch = ch;\n this.sticky = sticky;\n}\n\n// Compare two positions, return 0 if they are the same, a negative\n// number when a is less, and a positive number otherwise.\nfunction cmp(a, b) { return a.line - b.line || a.ch - b.ch }\n\nfunction equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }\n\nfunction copyPos(x) {return Pos(x.line, x.ch)}\nfunction maxPos(a, b) { return cmp(a, b) < 0 ? b : a }\nfunction minPos(a, b) { return cmp(a, b) < 0 ? a : b }\n\n// Most of the external API clips given positions to make sure they\n// actually exist within the document.\nfunction clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}\nfunction clipPos(doc, pos) {\n if (pos.line < doc.first) { return Pos(doc.first, 0) }\n var last = doc.first + doc.size - 1;\n if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }\n return clipToLen(pos, getLine(doc, pos.line).text.length)\n}\nfunction clipToLen(pos, linelen) {\n var ch = pos.ch;\n if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }\n else if (ch < 0) { return Pos(pos.line, 0) }\n else { return pos }\n}\nfunction clipPosArray(doc, array) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }\n return out\n}\n\n// Optimize some code when these features are not used.\nvar sawReadOnlySpans = false;\nvar sawCollapsedSpans = false;\n\nfunction seeReadOnlySpans() {\n sawReadOnlySpans = true;\n}\n\nfunction seeCollapsedSpans() {\n sawCollapsedSpans = true;\n}\n\n// TEXTMARKER SPANS\n\nfunction MarkedSpan(marker, from, to) {\n this.marker = marker;\n this.from = from; this.to = to;\n}\n\n// Search an array of spans for a span matching the given marker.\nfunction getMarkedSpanFor(spans, marker) {\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.marker == marker) { return span }\n } }\n}\n// Remove a span from an array, returning undefined if no spans are\n// left (we don\'t store arrays for lines without spans).\nfunction removeMarkedSpan(spans, span) {\n var r;\n for (var i = 0; i < spans.length; ++i)\n { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }\n return r\n}\n// Add a span to a line.\nfunction addMarkedSpan(line, span) {\n line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];\n span.marker.attachLine(line);\n}\n\n// Used for the algorithm that adjusts markers for a change in the\n// document. These functions cut an array of spans at a given\n// character position, returning an array of remaining chunks (or\n// undefined if nothing remains).\nfunction markedSpansBefore(old, startCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);\n if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));\n }\n } }\n return nw\n}\nfunction markedSpansAfter(old, endCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);\n if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,\n span.to == null ? null : span.to - endCh));\n }\n } }\n return nw\n}\n\n// Given a change object, compute the new set of marker spans that\n// cover the line in which the change took place. Removes spans\n// entirely within the change, reconnects spans belonging to the\n// same marker that appear on both sides of the change, and cuts off\n// spans partially within the change. Returns an array of span\n// arrays with one element for each line in (after) the change.\nfunction stretchSpansOverChange(doc, change) {\n if (change.full) { return null }\n var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;\n var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;\n if (!oldFirst && !oldLast) { return null }\n\n var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;\n // Get the spans that \'stick out\' on both sides\n var first = markedSpansBefore(oldFirst, startCh, isInsert);\n var last = markedSpansAfter(oldLast, endCh, isInsert);\n\n // Next, merge those two ends\n var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);\n if (first) {\n // Fix up .to properties of first\n for (var i = 0; i < first.length; ++i) {\n var span = first[i];\n if (span.to == null) {\n var found = getMarkedSpanFor(last, span.marker);\n if (!found) { span.to = startCh; }\n else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }\n }\n }\n }\n if (last) {\n // Fix up .from in last (or move them into first in case of sameLine)\n for (var i$1 = 0; i$1 < last.length; ++i$1) {\n var span$1 = last[i$1];\n if (span$1.to != null) { span$1.to += offset; }\n if (span$1.from == null) {\n var found$1 = getMarkedSpanFor(first, span$1.marker);\n if (!found$1) {\n span$1.from = offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n } else {\n span$1.from += offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n }\n }\n // Make sure we didn\'t create any zero-length spans\n if (first) { first = clearEmptySpans(first); }\n if (last && last != first) { last = clearEmptySpans(last); }\n\n var newMarkers = [first];\n if (!sameLine) {\n // Fill gap with whole-line-spans\n var gap = change.text.length - 2, gapMarkers;\n if (gap > 0 && first)\n { for (var i$2 = 0; i$2 < first.length; ++i$2)\n { if (first[i$2].to == null)\n { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }\n for (var i$3 = 0; i$3 < gap; ++i$3)\n { newMarkers.push(gapMarkers); }\n newMarkers.push(last);\n }\n return newMarkers\n}\n\n// Remove spans that are empty and don\'t have a clearWhenEmpty\n// option of false.\nfunction clearEmptySpans(spans) {\n for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)\n { spans.splice(i--, 1); }\n }\n if (!spans.length) { return null }\n return spans\n}\n\n// Used to \'clip\' out readOnly ranges when making a change.\nfunction removeReadOnlyRanges(doc, from, to) {\n var markers = null;\n doc.iter(from.line, to.line + 1, function (line) {\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var mark = line.markedSpans[i].marker;\n if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))\n { (markers || (markers = [])).push(mark); }\n } }\n });\n if (!markers) { return null }\n var parts = [{from: from, to: to}];\n for (var i = 0; i < markers.length; ++i) {\n var mk = markers[i], m = mk.find(0);\n for (var j = 0; j < parts.length; ++j) {\n var p = parts[j];\n if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }\n var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);\n if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)\n { newParts.push({from: p.from, to: m.from}); }\n if (dto > 0 || !mk.inclusiveRight && !dto)\n { newParts.push({from: m.to, to: p.to}); }\n parts.splice.apply(parts, newParts);\n j += newParts.length - 3;\n }\n }\n return parts\n}\n\n// Connect or disconnect spans from a line.\nfunction detachMarkedSpans(line) {\n var spans = line.markedSpans;\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.detachLine(line); }\n line.markedSpans = null;\n}\nfunction attachMarkedSpans(line, spans) {\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.attachLine(line); }\n line.markedSpans = spans;\n}\n\n// Helpers used when computing which overlapping collapsed span\n// counts as the larger one.\nfunction extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }\nfunction extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }\n\n// Returns a number indicating which of two overlapping collapsed\n// spans is larger (and thus includes the other). Falls back to\n// comparing ids when the spans cover exactly the same range.\nfunction compareCollapsedMarkers(a, b) {\n var lenDiff = a.lines.length - b.lines.length;\n if (lenDiff != 0) { return lenDiff }\n var aPos = a.find(), bPos = b.find();\n var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);\n if (fromCmp) { return -fromCmp }\n var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);\n if (toCmp) { return toCmp }\n return b.id - a.id\n}\n\n// Find out whether a line ends or starts in a collapsed span. If\n// so, return the marker for that span.\nfunction collapsedSpanAtSide(line, start) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0))\n { found = sp.marker; }\n } }\n return found\n}\nfunction collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }\nfunction collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }\n\n// Test whether there exists a collapsed span that partially\n// overlaps (covers the start or end, but not both) of a new span.\n// Such overlap is not allowed.\nfunction conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {\n var line = getLine(doc, lineNo$$1);\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n var found = sp.marker.find(0);\n var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);\n var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);\n if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }\n if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||\n fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))\n { return true }\n } }\n}\n\n// A visual line is a line as drawn on the screen. Folding, for\n// example, can cause multiple logical lines to appear on the same\n// visual line. This finds the start of the visual line that the\n// given line is part of (usually that is the line itself).\nfunction visualLine(line) {\n var merged;\n while (merged = collapsedSpanAtStart(line))\n { line = merged.find(-1, true).line; }\n return line\n}\n\nfunction visualLineEnd(line) {\n var merged;\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return line\n}\n\n// Returns an array of logical lines that continue the visual line\n// started by the argument, or undefined if there are no such lines.\nfunction visualLineContinued(line) {\n var merged, lines;\n while (merged = collapsedSpanAtEnd(line)) {\n line = merged.find(1, true).line\n ;(lines || (lines = [])).push(line);\n }\n return lines\n}\n\n// Get the line number of the start of the visual line that the\n// given line number is part of.\nfunction visualLineNo(doc, lineN) {\n var line = getLine(doc, lineN), vis = visualLine(line);\n if (line == vis) { return lineN }\n return lineNo(vis)\n}\n\n// Get the line number of the start of the next visual line after\n// the given line.\nfunction visualLineEndNo(doc, lineN) {\n if (lineN > doc.lastLine()) { return lineN }\n var line = getLine(doc, lineN), merged;\n if (!lineIsHidden(doc, line)) { return lineN }\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return lineNo(line) + 1\n}\n\n// Compute whether a line is hidden. Lines count as hidden when they\n// are part of a visual line that starts with another line, or when\n// they are entirely covered by collapsed, non-widget span.\nfunction lineIsHidden(doc, line) {\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n if (sp.from == null) { return true }\n if (sp.marker.widgetNode) { continue }\n if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))\n { return true }\n } }\n}\nfunction lineIsHiddenInner(doc, line, span) {\n if (span.to == null) {\n var end = span.marker.find(1, true);\n return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))\n }\n if (span.marker.inclusiveRight && span.to == line.text.length)\n { return true }\n for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {\n sp = line.markedSpans[i];\n if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&\n (sp.to == null || sp.to != span.from) &&\n (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&\n lineIsHiddenInner(doc, line, sp)) { return true }\n }\n}\n\n// Find the height above the given line.\nfunction heightAtLine(lineObj) {\n lineObj = visualLine(lineObj);\n\n var h = 0, chunk = lineObj.parent;\n for (var i = 0; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i];\n if (line == lineObj) { break }\n else { h += line.height; }\n }\n for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {\n for (var i$1 = 0; i$1 < p.children.length; ++i$1) {\n var cur = p.children[i$1];\n if (cur == chunk) { break }\n else { h += cur.height; }\n }\n }\n return h\n}\n\n// Compute the character length of a line, taking into account\n// collapsed ranges (see markText) that might hide parts, and join\n// other lines onto it.\nfunction lineLength(line) {\n if (line.height == 0) { return 0 }\n var len = line.text.length, merged, cur = line;\n while (merged = collapsedSpanAtStart(cur)) {\n var found = merged.find(0, true);\n cur = found.from.line;\n len += found.from.ch - found.to.ch;\n }\n cur = line;\n while (merged = collapsedSpanAtEnd(cur)) {\n var found$1 = merged.find(0, true);\n len -= cur.text.length - found$1.from.ch;\n cur = found$1.to.line;\n len += cur.text.length - found$1.to.ch;\n }\n return len\n}\n\n// Find the longest line in the document.\nfunction findMaxLine(cm) {\n var d = cm.display, doc = cm.doc;\n d.maxLine = getLine(doc, doc.first);\n d.maxLineLength = lineLength(d.maxLine);\n d.maxLineChanged = true;\n doc.iter(function (line) {\n var len = lineLength(line);\n if (len > d.maxLineLength) {\n d.maxLineLength = len;\n d.maxLine = line;\n }\n });\n}\n\n// BIDI HELPERS\n\nfunction iterateBidiSections(order, from, to, f) {\n if (!order) { return f(from, to, "ltr", 0) }\n var found = false;\n for (var i = 0; i < order.length; ++i) {\n var part = order[i];\n if (part.from < to && part.to > from || from == to && part.to == from) {\n f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);\n found = true;\n }\n }\n if (!found) { f(from, to, "ltr"); }\n}\n\nvar bidiOther = null;\nfunction getBidiPartAt(order, ch, sticky) {\n var found;\n bidiOther = null;\n for (var i = 0; i < order.length; ++i) {\n var cur = order[i];\n if (cur.from < ch && cur.to > ch) { return i }\n if (cur.to == ch) {\n if (cur.from != cur.to && sticky == "before") { found = i; }\n else { bidiOther = i; }\n }\n if (cur.from == ch) {\n if (cur.from != cur.to && sticky != "before") { found = i; }\n else { bidiOther = i; }\n }\n }\n return found != null ? found : bidiOther\n}\n\n// Bidirectional ordering algorithm\n// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm\n// that this (partially) implements.\n\n// One-char codes used for character types:\n// L (L): Left-to-Right\n// R (R): Right-to-Left\n// r (AL): Right-to-Left Arabic\n// 1 (EN): European Number\n// + (ES): European Number Separator\n// % (ET): European Number Terminator\n// n (AN): Arabic Number\n// , (CS): Common Number Separator\n// m (NSM): Non-Spacing Mark\n// b (BN): Boundary Neutral\n// s (B): Paragraph Separator\n// t (S): Segment Separator\n// w (WS): Whitespace\n// N (ON): Other Neutrals\n\n// Returns null if characters are ordered as they appear\n// (left-to-right), or an array of sections ({from, to, level}\n// objects) in the order in which they occur visually.\nvar bidiOrdering = (function() {\n // Character types for codepoints 0 to 0xff\n var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";\n // Character types for codepoints 0x600 to 0x6f9\n var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";\n function charType(code) {\n if (code <= 0xf7) { return lowTypes.charAt(code) }\n else if (0x590 <= code && code <= 0x5f4) { return "R" }\n else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }\n else if (0x6ee <= code && code <= 0x8ac) { return "r" }\n else if (0x2000 <= code && code <= 0x200b) { return "w" }\n else if (code == 0x200c) { return "b" }\n else { return "L" }\n }\n\n var bidiRE = /[\\u0590-\\u05f4\\u0600-\\u06ff\\u0700-\\u08ac]/;\n var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;\n\n function BidiSpan(level, from, to) {\n this.level = level;\n this.from = from; this.to = to;\n }\n\n return function(str, direction) {\n var outerType = direction == "ltr" ? "L" : "R";\n\n if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }\n var len = str.length, types = [];\n for (var i = 0; i < len; ++i)\n { types.push(charType(str.charCodeAt(i))); }\n\n // W1. Examine each non-spacing mark (NSM) in the level run, and\n // change the type of the NSM to the type of the previous\n // character. If the NSM is at the start of the level run, it will\n // get the type of sor.\n for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {\n var type = types[i$1];\n if (type == "m") { types[i$1] = prev; }\n else { prev = type; }\n }\n\n // W2. Search backwards from each instance of a European number\n // until the first strong type (R, L, AL, or sor) is found. If an\n // AL is found, change the type of the European number to Arabic\n // number.\n // W3. Change all ALs to R.\n for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {\n var type$1 = types[i$2];\n if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }\n else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }\n }\n\n // W4. A single European separator between two European numbers\n // changes to a European number. A single common separator between\n // two numbers of the same type changes to that type.\n for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {\n var type$2 = types[i$3];\n if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }\n else if (type$2 == "," && prev$1 == types[i$3+1] &&\n (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }\n prev$1 = type$2;\n }\n\n // W5. A sequence of European terminators adjacent to European\n // numbers changes to all European numbers.\n // W6. Otherwise, separators and terminators change to Other\n // Neutral.\n for (var i$4 = 0; i$4 < len; ++i$4) {\n var type$3 = types[i$4];\n if (type$3 == ",") { types[i$4] = "N"; }\n else if (type$3 == "%") {\n var end = (void 0);\n for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}\n var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";\n for (var j = i$4; j < end; ++j) { types[j] = replace; }\n i$4 = end - 1;\n }\n }\n\n // W7. Search backwards from each instance of a European number\n // until the first strong type (R, L, or sor) is found. If an L is\n // found, then change the type of the European number to L.\n for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {\n var type$4 = types[i$5];\n if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }\n else if (isStrong.test(type$4)) { cur$1 = type$4; }\n }\n\n // N1. A sequence of neutrals takes the direction of the\n // surrounding strong text if the text on both sides has the same\n // direction. European and Arabic numbers act as if they were R in\n // terms of their influence on neutrals. Start-of-level-run (sor)\n // and end-of-level-run (eor) are used at level run boundaries.\n // N2. Any remaining neutrals take the embedding direction.\n for (var i$6 = 0; i$6 < len; ++i$6) {\n if (isNeutral.test(types[i$6])) {\n var end$1 = (void 0);\n for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}\n var before = (i$6 ? types[i$6-1] : outerType) == "L";\n var after = (end$1 < len ? types[end$1] : outerType) == "L";\n var replace$1 = before == after ? (before ? "L" : "R") : outerType;\n for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }\n i$6 = end$1 - 1;\n }\n }\n\n // Here we depart from the documented algorithm, in order to avoid\n // building up an actual levels array. Since there are only three\n // levels (0, 1, 2) in an implementation that doesn\'t take\n // explicit embedding into account, we can build up the order on\n // the fly, without following the level-based algorithm.\n var order = [], m;\n for (var i$7 = 0; i$7 < len;) {\n if (countsAsLeft.test(types[i$7])) {\n var start = i$7;\n for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}\n order.push(new BidiSpan(0, start, i$7));\n } else {\n var pos = i$7, at = order.length;\n for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}\n for (var j$2 = pos; j$2 < i$7;) {\n if (countsAsNum.test(types[j$2])) {\n if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }\n var nstart = j$2;\n for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}\n order.splice(at, 0, new BidiSpan(2, nstart, j$2));\n pos = j$2;\n } else { ++j$2; }\n }\n if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }\n }\n }\n if (direction == "ltr") {\n if (order[0].level == 1 && (m = str.match(/^\\s+/))) {\n order[0].from = m[0].length;\n order.unshift(new BidiSpan(0, 0, m[0].length));\n }\n if (lst(order).level == 1 && (m = str.match(/\\s+$/))) {\n lst(order).to -= m[0].length;\n order.push(new BidiSpan(0, len - m[0].length, len));\n }\n }\n\n return direction == "rtl" ? order.reverse() : order\n }\n})();\n\n// Get the bidi ordering for the given line (and cache it). Returns\n// false for lines that are fully left-to-right, and an array of\n// BidiSpan objects otherwise.\nfunction getOrder(line, direction) {\n var order = line.order;\n if (order == null) { order = line.order = bidiOrdering(line.text, direction); }\n return order\n}\n\n// EVENT HANDLING\n\n// Lightweight event framework. on/off also work on DOM nodes,\n// registering native DOM handlers.\n\nvar noHandlers = [];\n\nvar on = function(emitter, type, f) {\n if (emitter.addEventListener) {\n emitter.addEventListener(type, f, false);\n } else if (emitter.attachEvent) {\n emitter.attachEvent("on" + type, f);\n } else {\n var map$$1 = emitter._handlers || (emitter._handlers = {});\n map$$1[type] = (map$$1[type] || noHandlers).concat(f);\n }\n};\n\nfunction getHandlers(emitter, type) {\n return emitter._handlers && emitter._handlers[type] || noHandlers\n}\n\nfunction off(emitter, type, f) {\n if (emitter.removeEventListener) {\n emitter.removeEventListener(type, f, false);\n } else if (emitter.detachEvent) {\n emitter.detachEvent("on" + type, f);\n } else {\n var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];\n if (arr) {\n var index = indexOf(arr, f);\n if (index > -1)\n { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }\n }\n }\n}\n\nfunction signal(emitter, type /*, values...*/) {\n var handlers = getHandlers(emitter, type);\n if (!handlers.length) { return }\n var args = Array.prototype.slice.call(arguments, 2);\n for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }\n}\n\n// The DOM events that CodeMirror handles can be overridden by\n// registering a (non-DOM) handler on the editor for the event name,\n// and preventDefault-ing the event in that handler.\nfunction signalDOMEvent(cm, e, override) {\n if (typeof e == "string")\n { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }\n signal(cm, override || e.type, cm, e);\n return e_defaultPrevented(e) || e.codemirrorIgnore\n}\n\nfunction signalCursorActivity(cm) {\n var arr = cm._handlers && cm._handlers.cursorActivity;\n if (!arr) { return }\n var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);\n for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)\n { set.push(arr[i]); } }\n}\n\nfunction hasHandler(emitter, type) {\n return getHandlers(emitter, type).length > 0\n}\n\n// Add on and off methods to a constructor\'s prototype, to make\n// registering events on such objects more convenient.\nfunction eventMixin(ctor) {\n ctor.prototype.on = function(type, f) {on(this, type, f);};\n ctor.prototype.off = function(type, f) {off(this, type, f);};\n}\n\n// Due to the fact that we still support jurassic IE versions, some\n// compatibility wrappers are needed.\n\nfunction e_preventDefault(e) {\n if (e.preventDefault) { e.preventDefault(); }\n else { e.returnValue = false; }\n}\nfunction e_stopPropagation(e) {\n if (e.stopPropagation) { e.stopPropagation(); }\n else { e.cancelBubble = true; }\n}\nfunction e_defaultPrevented(e) {\n return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false\n}\nfunction e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}\n\nfunction e_target(e) {return e.target || e.srcElement}\nfunction e_button(e) {\n var b = e.which;\n if (b == null) {\n if (e.button & 1) { b = 1; }\n else if (e.button & 2) { b = 3; }\n else if (e.button & 4) { b = 2; }\n }\n if (mac && e.ctrlKey && b == 1) { b = 3; }\n return b\n}\n\n// Detect drag-and-drop\nvar dragAndDrop = function() {\n // There is *some* kind of drag-and-drop support in IE6-8, but I\n // couldn\'t get it to work yet.\n if (ie && ie_version < 9) { return false }\n var div = elt(\'div\');\n return "draggable" in div || "dragDrop" in div\n}();\n\nvar zwspSupported;\nfunction zeroWidthElement(measure) {\n if (zwspSupported == null) {\n var test = elt("span", "\\u200b");\n removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));\n if (measure.firstChild.offsetHeight != 0)\n { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }\n }\n var node = zwspSupported ? elt("span", "\\u200b") :\n elt("span", "\\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");\n node.setAttribute("cm-text", "");\n return node\n}\n\n// Feature-detect IE\'s crummy client rect reporting for bidi text\nvar badBidiRects;\nfunction hasBadBidiRects(measure) {\n if (badBidiRects != null) { return badBidiRects }\n var txt = removeChildrenAndAdd(measure, document.createTextNode("A\\u062eA"));\n var r0 = range(txt, 0, 1).getBoundingClientRect();\n var r1 = range(txt, 1, 2).getBoundingClientRect();\n removeChildren(measure);\n if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)\n return badBidiRects = (r1.right - r0.right < 3)\n}\n\n// See if "".split is the broken IE version, if so, provide an\n// alternative way to split lines.\nvar splitLinesAuto = "\\n\\nb".split(/\\n/).length != 3 ? function (string) {\n var pos = 0, result = [], l = string.length;\n while (pos <= l) {\n var nl = string.indexOf("\\n", pos);\n if (nl == -1) { nl = string.length; }\n var line = string.slice(pos, string.charAt(nl - 1) == "\\r" ? nl - 1 : nl);\n var rt = line.indexOf("\\r");\n if (rt != -1) {\n result.push(line.slice(0, rt));\n pos += rt + 1;\n } else {\n result.push(line);\n pos = nl + 1;\n }\n }\n return result\n} : function (string) { return string.split(/\\r\\n?|\\n/); };\n\nvar hasSelection = window.getSelection ? function (te) {\n try { return te.selectionStart != te.selectionEnd }\n catch(e) { return false }\n} : function (te) {\n var range$$1;\n try {range$$1 = te.ownerDocument.selection.createRange();}\n catch(e) {}\n if (!range$$1 || range$$1.parentElement() != te) { return false }\n return range$$1.compareEndPoints("StartToEnd", range$$1) != 0\n};\n\nvar hasCopyEvent = (function () {\n var e = elt("div");\n if ("oncopy" in e) { return true }\n e.setAttribute("oncopy", "return;");\n return typeof e.oncopy == "function"\n})();\n\nvar badZoomedRects = null;\nfunction hasBadZoomedRects(measure) {\n if (badZoomedRects != null) { return badZoomedRects }\n var node = removeChildrenAndAdd(measure, elt("span", "x"));\n var normal = node.getBoundingClientRect();\n var fromRange = range(node, 0, 1).getBoundingClientRect();\n return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1\n}\n\n// Known modes, by name and by MIME\nvar modes = {};\nvar mimeModes = {};\n\n// Extra arguments are stored as the mode\'s dependencies, which is\n// used by (legacy) mechanisms like loadmode.js to automatically\n// load a mode. (Preferred mechanism is the require/define calls.)\nfunction defineMode(name, mode) {\n if (arguments.length > 2)\n { mode.dependencies = Array.prototype.slice.call(arguments, 2); }\n modes[name] = mode;\n}\n\nfunction defineMIME(mime, spec) {\n mimeModes[mime] = spec;\n}\n\n// Given a MIME type, a {name, ...options} config object, or a name\n// string, return a mode config object.\nfunction resolveMode(spec) {\n if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {\n spec = mimeModes[spec];\n } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {\n var found = mimeModes[spec.name];\n if (typeof found == "string") { found = {name: found}; }\n spec = createObj(found, spec);\n spec.name = found.name;\n } else if (typeof spec == "string" && /^[\\w\\-]+\\/[\\w\\-]+\\+xml$/.test(spec)) {\n return resolveMode("application/xml")\n } else if (typeof spec == "string" && /^[\\w\\-]+\\/[\\w\\-]+\\+json$/.test(spec)) {\n return resolveMode("application/json")\n }\n if (typeof spec == "string") { return {name: spec} }\n else { return spec || {name: "null"} }\n}\n\n// Given a mode spec (anything that resolveMode accepts), find and\n// initialize an actual mode object.\nfunction getMode(options, spec) {\n spec = resolveMode(spec);\n var mfactory = modes[spec.name];\n if (!mfactory) { return getMode(options, "text/plain") }\n var modeObj = mfactory(options, spec);\n if (modeExtensions.hasOwnProperty(spec.name)) {\n var exts = modeExtensions[spec.name];\n for (var prop in exts) {\n if (!exts.hasOwnProperty(prop)) { continue }\n if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }\n modeObj[prop] = exts[prop];\n }\n }\n modeObj.name = spec.name;\n if (spec.helperType) { modeObj.helperType = spec.helperType; }\n if (spec.modeProps) { for (var prop$1 in spec.modeProps)\n { modeObj[prop$1] = spec.modeProps[prop$1]; } }\n\n return modeObj\n}\n\n// This can be used to attach properties to mode objects from\n// outside the actual mode definition.\nvar modeExtensions = {};\nfunction extendMode(mode, properties) {\n var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});\n copyObj(properties, exts);\n}\n\nfunction copyState(mode, state) {\n if (state === true) { return state }\n if (mode.copyState) { return mode.copyState(state) }\n var nstate = {};\n for (var n in state) {\n var val = state[n];\n if (val instanceof Array) { val = val.concat([]); }\n nstate[n] = val;\n }\n return nstate\n}\n\n// Given a mode and a state (for that mode), find the inner mode and\n// state at the position that the state refers to.\nfunction innerMode(mode, state) {\n var info;\n while (mode.innerMode) {\n info = mode.innerMode(state);\n if (!info || info.mode == mode) { break }\n state = info.state;\n mode = info.mode;\n }\n return info || {mode: mode, state: state}\n}\n\nfunction startState(mode, a1, a2) {\n return mode.startState ? mode.startState(a1, a2) : true\n}\n\n// STRING STREAM\n\n// Fed to the mode parsers, provides helper functions to make\n// parsers more succinct.\n\nvar StringStream = function(string, tabSize, lineOracle) {\n this.pos = this.start = 0;\n this.string = string;\n this.tabSize = tabSize || 8;\n this.lastColumnPos = this.lastColumnValue = 0;\n this.lineStart = 0;\n this.lineOracle = lineOracle;\n};\n\nStringStream.prototype.eol = function () {return this.pos >= this.string.length};\nStringStream.prototype.sol = function () {return this.pos == this.lineStart};\nStringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};\nStringStream.prototype.next = function () {\n if (this.pos < this.string.length)\n { return this.string.charAt(this.pos++) }\n};\nStringStream.prototype.eat = function (match) {\n var ch = this.string.charAt(this.pos);\n var ok;\n if (typeof match == "string") { ok = ch == match; }\n else { ok = ch && (match.test ? match.test(ch) : match(ch)); }\n if (ok) {++this.pos; return ch}\n};\nStringStream.prototype.eatWhile = function (match) {\n var start = this.pos;\n while (this.eat(match)){}\n return this.pos > start\n};\nStringStream.prototype.eatSpace = function () {\n var this$1 = this;\n\n var start = this.pos;\n while (/[\\s\\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }\n return this.pos > start\n};\nStringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};\nStringStream.prototype.skipTo = function (ch) {\n var found = this.string.indexOf(ch, this.pos);\n if (found > -1) {this.pos = found; return true}\n};\nStringStream.prototype.backUp = function (n) {this.pos -= n;};\nStringStream.prototype.column = function () {\n if (this.lastColumnPos < this.start) {\n this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);\n this.lastColumnPos = this.start;\n }\n return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n};\nStringStream.prototype.indentation = function () {\n return countColumn(this.string, null, this.tabSize) -\n (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n};\nStringStream.prototype.match = function (pattern, consume, caseInsensitive) {\n if (typeof pattern == "string") {\n var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };\n var substr = this.string.substr(this.pos, pattern.length);\n if (cased(substr) == cased(pattern)) {\n if (consume !== false) { this.pos += pattern.length; }\n return true\n }\n } else {\n var match = this.string.slice(this.pos).match(pattern);\n if (match && match.index > 0) { return null }\n if (match && consume !== false) { this.pos += match[0].length; }\n return match\n }\n};\nStringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};\nStringStream.prototype.hideFirstChars = function (n, inner) {\n this.lineStart += n;\n try { return inner() }\n finally { this.lineStart -= n; }\n};\nStringStream.prototype.lookAhead = function (n) {\n var oracle = this.lineOracle;\n return oracle && oracle.lookAhead(n)\n};\nStringStream.prototype.baseToken = function () {\n var oracle = this.lineOracle;\n return oracle && oracle.baseToken(this.pos)\n};\n\nvar SavedContext = function(state, lookAhead) {\n this.state = state;\n this.lookAhead = lookAhead;\n};\n\nvar Context = function(doc, state, line, lookAhead) {\n this.state = state;\n this.doc = doc;\n this.line = line;\n this.maxLookAhead = lookAhead || 0;\n this.baseTokens = null;\n this.baseTokenPos = 1;\n};\n\nContext.prototype.lookAhead = function (n) {\n var line = this.doc.getLine(this.line + n);\n if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }\n return line\n};\n\nContext.prototype.baseToken = function (n) {\n var this$1 = this;\n\n if (!this.baseTokens) { return null }\n while (this.baseTokens[this.baseTokenPos] <= n)\n { this$1.baseTokenPos += 2; }\n var type = this.baseTokens[this.baseTokenPos + 1];\n return {type: type && type.replace(/( |^)overlay .*/, ""),\n size: this.baseTokens[this.baseTokenPos] - n}\n};\n\nContext.prototype.nextLine = function () {\n this.line++;\n if (this.maxLookAhead > 0) { this.maxLookAhead--; }\n};\n\nContext.fromSaved = function (doc, saved, line) {\n if (saved instanceof SavedContext)\n { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }\n else\n { return new Context(doc, copyState(doc.mode, saved), line) }\n};\n\nContext.prototype.save = function (copy) {\n var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;\n return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state\n};\n\n\n// Compute a style array (an array starting with a mode generation\n// -- for invalidation -- followed by pairs of end positions and\n// style strings), which is used to highlight the tokens on the\n// line.\nfunction highlightLine(cm, line, context, forceToEnd) {\n // A styles array always starts with a number identifying the\n // mode/overlays that it is based on (for easy invalidation).\n var st = [cm.state.modeGen], lineClasses = {};\n // Compute the base array of styles\n runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },\n lineClasses, forceToEnd);\n var state = context.state;\n\n // Run overlays, adjust style array.\n var loop = function ( o ) {\n context.baseTokens = st;\n var overlay = cm.state.overlays[o], i = 1, at = 0;\n context.state = true;\n runMode(cm, line.text, overlay.mode, context, function (end, style) {\n var start = i;\n // Ensure there\'s a token end at the current position, and that i points at it\n while (at < end) {\n var i_end = st[i];\n if (i_end > end)\n { st.splice(i, 1, end, st[i+1], i_end); }\n i += 2;\n at = Math.min(end, i_end);\n }\n if (!style) { return }\n if (overlay.opaque) {\n st.splice(start, i - start, end, "overlay " + style);\n i = start + 2;\n } else {\n for (; start < i; start += 2) {\n var cur = st[start+1];\n st[start+1] = (cur ? cur + " " : "") + "overlay " + style;\n }\n }\n }, lineClasses);\n context.state = state;\n context.baseTokens = null;\n context.baseTokenPos = 1;\n };\n\n for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );\n\n return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}\n}\n\nfunction getLineStyles(cm, line, updateFrontier) {\n if (!line.styles || line.styles[0] != cm.state.modeGen) {\n var context = getContextBefore(cm, lineNo(line));\n var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);\n var result = highlightLine(cm, line, context);\n if (resetState) { context.state = resetState; }\n line.stateAfter = context.save(!resetState);\n line.styles = result.styles;\n if (result.classes) { line.styleClasses = result.classes; }\n else if (line.styleClasses) { line.styleClasses = null; }\n if (updateFrontier === cm.doc.highlightFrontier)\n { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }\n }\n return line.styles\n}\n\nfunction getContextBefore(cm, n, precise) {\n var doc = cm.doc, display = cm.display;\n if (!doc.mode.startState) { return new Context(doc, true, n) }\n var start = findStartLine(cm, n, precise);\n var saved = start > doc.first && getLine(doc, start - 1).stateAfter;\n var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);\n\n doc.iter(start, n, function (line) {\n processLine(cm, line.text, context);\n var pos = context.line;\n line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;\n context.nextLine();\n });\n if (precise) { doc.modeFrontier = context.line; }\n return context\n}\n\n// Lightweight form of highlight -- proceed over this line and\n// update state, but don\'t save a style array. Used for lines that\n// aren\'t currently visible.\nfunction processLine(cm, text, context, startAt) {\n var mode = cm.doc.mode;\n var stream = new StringStream(text, cm.options.tabSize, context);\n stream.start = stream.pos = startAt || 0;\n if (text == "") { callBlankLine(mode, context.state); }\n while (!stream.eol()) {\n readToken(mode, stream, context.state);\n stream.start = stream.pos;\n }\n}\n\nfunction callBlankLine(mode, state) {\n if (mode.blankLine) { return mode.blankLine(state) }\n if (!mode.innerMode) { return }\n var inner = innerMode(mode, state);\n if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }\n}\n\nfunction readToken(mode, stream, state, inner) {\n for (var i = 0; i < 10; i++) {\n if (inner) { inner[0] = innerMode(mode, state).mode; }\n var style = mode.token(stream, state);\n if (stream.pos > stream.start) { return style }\n }\n throw new Error("Mode " + mode.name + " failed to advance stream.")\n}\n\nvar Token = function(stream, type, state) {\n this.start = stream.start; this.end = stream.pos;\n this.string = stream.current();\n this.type = type || null;\n this.state = state;\n};\n\n// Utility for getTokenAt and getLineTokens\nfunction takeToken(cm, pos, precise, asArray) {\n var doc = cm.doc, mode = doc.mode, style;\n pos = clipPos(doc, pos);\n var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);\n var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;\n if (asArray) { tokens = []; }\n while ((asArray || stream.pos < pos.ch) && !stream.eol()) {\n stream.start = stream.pos;\n style = readToken(mode, stream, context.state);\n if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }\n }\n return asArray ? tokens : new Token(stream, style, context.state)\n}\n\nfunction extractLineClasses(type, output) {\n if (type) { for (;;) {\n var lineClass = type.match(/(?:^|\\s+)line-(background-)?(\\S+)/);\n if (!lineClass) { break }\n type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);\n var prop = lineClass[1] ? "bgClass" : "textClass";\n if (output[prop] == null)\n { output[prop] = lineClass[2]; }\n else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop]))\n { output[prop] += " " + lineClass[2]; }\n } }\n return type\n}\n\n// Run the given mode\'s parser over a line, calling f for each token.\nfunction runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {\n var flattenSpans = mode.flattenSpans;\n if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }\n var curStart = 0, curStyle = null;\n var stream = new StringStream(text, cm.options.tabSize, context), style;\n var inner = cm.options.addModeClass && [null];\n if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }\n while (!stream.eol()) {\n if (stream.pos > cm.options.maxHighlightLength) {\n flattenSpans = false;\n if (forceToEnd) { processLine(cm, text, context, stream.pos); }\n stream.pos = text.length;\n style = null;\n } else {\n style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);\n }\n if (inner) {\n var mName = inner[0].name;\n if (mName) { style = "m-" + (style ? mName + " " + style : mName); }\n }\n if (!flattenSpans || curStyle != style) {\n while (curStart < stream.start) {\n curStart = Math.min(stream.start, curStart + 5000);\n f(curStart, curStyle);\n }\n curStyle = style;\n }\n stream.start = stream.pos;\n }\n while (curStart < stream.pos) {\n // Webkit seems to refuse to render text nodes longer than 57444\n // characters, and returns inaccurate measurements in nodes\n // starting around 5000 chars.\n var pos = Math.min(stream.pos, curStart + 5000);\n f(pos, curStyle);\n curStart = pos;\n }\n}\n\n// Finds the line to start with when starting a parse. Tries to\n// find a line with a stateAfter, so that it can start with a\n// valid state. If that fails, it returns the line with the\n// smallest indentation, which tends to need the least context to\n// parse correctly.\nfunction findStartLine(cm, n, precise) {\n var minindent, minline, doc = cm.doc;\n var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);\n for (var search = n; search > lim; --search) {\n if (search <= doc.first) { return doc.first }\n var line = getLine(doc, search - 1), after = line.stateAfter;\n if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))\n { return search }\n var indented = countColumn(line.text, null, cm.options.tabSize);\n if (minline == null || minindent > indented) {\n minline = search - 1;\n minindent = indented;\n }\n }\n return minline\n}\n\nfunction retreatFrontier(doc, n) {\n doc.modeFrontier = Math.min(doc.modeFrontier, n);\n if (doc.highlightFrontier < n - 10) { return }\n var start = doc.first;\n for (var line = n - 1; line > start; line--) {\n var saved = getLine(doc, line).stateAfter;\n // change is on 3\n // state on line 1 looked ahead 2 -- so saw 3\n // test 1 + 2 < 3 should cover this\n if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {\n start = line + 1;\n break\n }\n }\n doc.highlightFrontier = Math.min(doc.highlightFrontier, start);\n}\n\n// LINE DATA STRUCTURE\n\n// Line objects. These hold state related to a line, including\n// highlighting info (the styles array).\nvar Line = function(text, markedSpans, estimateHeight) {\n this.text = text;\n attachMarkedSpans(this, markedSpans);\n this.height = estimateHeight ? estimateHeight(this) : 1;\n};\n\nLine.prototype.lineNo = function () { return lineNo(this) };\neventMixin(Line);\n\n// Change the content (text, markers) of a line. Automatically\n// invalidates cached information and tries to re-estimate the\n// line\'s height.\nfunction updateLine(line, text, markedSpans, estimateHeight) {\n line.text = text;\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n if (line.order != null) { line.order = null; }\n detachMarkedSpans(line);\n attachMarkedSpans(line, markedSpans);\n var estHeight = estimateHeight ? estimateHeight(line) : 1;\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n}\n\n// Detach a line from the document tree and its markers.\nfunction cleanUpLine(line) {\n line.parent = null;\n detachMarkedSpans(line);\n}\n\n// Convert a style as returned by a mode (either null, or a string\n// containing one or more styles) to a CSS style. This is cached,\n// and also looks for line-wide styles.\nvar styleToClassCache = {};\nvar styleToClassCacheWithMode = {};\nfunction interpretTokenStyle(style, options) {\n if (!style || /^\\s*$/.test(style)) { return null }\n var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;\n return cache[style] ||\n (cache[style] = style.replace(/\\S+/g, "cm-$&"))\n}\n\n// Render the DOM representation of the text of a line. Also builds\n// up a \'line map\', which points at the DOM nodes that represent\n// specific stretches of text, and is used by the measuring code.\n// The returned object contains the DOM node, this map, and\n// information about line-wide styles that were set by the mode.\nfunction buildLineContent(cm, lineView) {\n // The padding-right forces the element to have a \'border\', which\n // is needed on Webkit to be able to get line-level bounding\n // rectangles for it (in measureChar).\n var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);\n var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,\n col: 0, pos: 0, cm: cm,\n trailingSpace: false,\n splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};\n lineView.measure = {};\n\n // Iterate over the logical lines that make up this visual line.\n for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {\n var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);\n builder.pos = 0;\n builder.addToken = buildToken;\n // Optionally wire in some hacks into the token-rendering\n // algorithm, to deal with browser quirks.\n if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))\n { builder.addToken = buildTokenBadBidi(builder.addToken, order); }\n builder.map = [];\n var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);\n insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));\n if (line.styleClasses) {\n if (line.styleClasses.bgClass)\n { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }\n if (line.styleClasses.textClass)\n { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }\n }\n\n // Ensure at least a single node is present, for measuring.\n if (builder.map.length == 0)\n { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }\n\n // Store the map and a cache object for the current logical line\n if (i == 0) {\n lineView.measure.map = builder.map;\n lineView.measure.cache = {};\n } else {\n (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)\n ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});\n }\n }\n\n // See issue #2901\n if (webkit) {\n var last = builder.content.lastChild;\n if (/\\bcm-tab\\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))\n { builder.content.className = "cm-tab-wrap-hack"; }\n }\n\n signal(cm, "renderLine", cm, lineView.line, builder.pre);\n if (builder.pre.className)\n { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }\n\n return builder\n}\n\nfunction defaultSpecialCharPlaceholder(ch) {\n var token = elt("span", "\\u2022", "cm-invalidchar");\n token.title = "\\\\u" + ch.charCodeAt(0).toString(16);\n token.setAttribute("aria-label", token.title);\n return token\n}\n\n// Build up the DOM representation for a single token, and add it to\n// the line map. Takes care to render special characters separately.\nfunction buildToken(builder, text, style, startStyle, endStyle, title, css) {\n if (!text) { return }\n var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;\n var special = builder.cm.state.specialChars, mustWrap = false;\n var content;\n if (!special.test(text)) {\n builder.col += text.length;\n content = document.createTextNode(displayText);\n builder.map.push(builder.pos, builder.pos + text.length, content);\n if (ie && ie_version < 9) { mustWrap = true; }\n builder.pos += text.length;\n } else {\n content = document.createDocumentFragment();\n var pos = 0;\n while (true) {\n special.lastIndex = pos;\n var m = special.exec(text);\n var skipped = m ? m.index - pos : text.length - pos;\n if (skipped) {\n var txt = document.createTextNode(displayText.slice(pos, pos + skipped));\n if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }\n else { content.appendChild(txt); }\n builder.map.push(builder.pos, builder.pos + skipped, txt);\n builder.col += skipped;\n builder.pos += skipped;\n }\n if (!m) { break }\n pos += skipped + 1;\n var txt$1 = (void 0);\n if (m[0] == "\\t") {\n var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;\n txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));\n txt$1.setAttribute("role", "presentation");\n txt$1.setAttribute("cm-text", "\\t");\n builder.col += tabWidth;\n } else if (m[0] == "\\r" || m[0] == "\\n") {\n txt$1 = content.appendChild(elt("span", m[0] == "\\r" ? "\\u240d" : "\\u2424", "cm-invalidchar"));\n txt$1.setAttribute("cm-text", m[0]);\n builder.col += 1;\n } else {\n txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);\n txt$1.setAttribute("cm-text", m[0]);\n if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }\n else { content.appendChild(txt$1); }\n builder.col += 1;\n }\n builder.map.push(builder.pos, builder.pos + 1, txt$1);\n builder.pos++;\n }\n }\n builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;\n if (style || startStyle || endStyle || mustWrap || css) {\n var fullStyle = style || "";\n if (startStyle) { fullStyle += startStyle; }\n if (endStyle) { fullStyle += endStyle; }\n var token = elt("span", [content], fullStyle, css);\n if (title) { token.title = title; }\n return builder.content.appendChild(token)\n }\n builder.content.appendChild(content);\n}\n\nfunction splitSpaces(text, trailingBefore) {\n if (text.length > 1 && !/ /.test(text)) { return text }\n var spaceBefore = trailingBefore, result = "";\n for (var i = 0; i < text.length; i++) {\n var ch = text.charAt(i);\n if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))\n { ch = "\\u00a0"; }\n result += ch;\n spaceBefore = ch == " ";\n }\n return result\n}\n\n// Work around nonsense dimensions being reported for stretches of\n// right-to-left text.\nfunction buildTokenBadBidi(inner, order) {\n return function (builder, text, style, startStyle, endStyle, title, css) {\n style = style ? style + " cm-force-border" : "cm-force-border";\n var start = builder.pos, end = start + text.length;\n for (;;) {\n // Find the part that overlaps with the start of this text\n var part = (void 0);\n for (var i = 0; i < order.length; i++) {\n part = order[i];\n if (part.to > start && part.from <= start) { break }\n }\n if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }\n inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);\n startStyle = null;\n text = text.slice(part.to - start);\n start = part.to;\n }\n }\n}\n\nfunction buildCollapsedSpan(builder, size, marker, ignoreWidget) {\n var widget = !ignoreWidget && marker.widgetNode;\n if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }\n if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {\n if (!widget)\n { widget = builder.content.appendChild(document.createElement("span")); }\n widget.setAttribute("cm-marker", marker.id);\n }\n if (widget) {\n builder.cm.display.input.setUneditable(widget);\n builder.content.appendChild(widget);\n }\n builder.pos += size;\n builder.trailingSpace = false;\n}\n\n// Outputs a number of spans to make up a line, taking highlighting\n// and marked text into account.\nfunction insertLineContent(line, builder, styles) {\n var spans = line.markedSpans, allText = line.text, at = 0;\n if (!spans) {\n for (var i$1 = 1; i$1 < styles.length; i$1+=2)\n { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }\n return\n }\n\n var len = allText.length, pos = 0, i = 1, text = "", style, css;\n var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;\n for (;;) {\n if (nextChange == pos) { // Update current marker set\n spanStyle = spanEndStyle = spanStartStyle = title = css = "";\n collapsed = null; nextChange = Infinity;\n var foundBookmarks = [], endStyles = (void 0);\n for (var j = 0; j < spans.length; ++j) {\n var sp = spans[j], m = sp.marker;\n if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {\n foundBookmarks.push(m);\n } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {\n if (sp.to != null && sp.to != pos && nextChange > sp.to) {\n nextChange = sp.to;\n spanEndStyle = "";\n }\n if (m.className) { spanStyle += " " + m.className; }\n if (m.css) { css = (css ? css + ";" : "") + m.css; }\n if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }\n if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }\n if (m.title && !title) { title = m.title; }\n if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))\n { collapsed = sp; }\n } else if (sp.from > pos && nextChange > sp.from) {\n nextChange = sp.from;\n }\n }\n if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)\n { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }\n\n if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)\n { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }\n if (collapsed && (collapsed.from || 0) == pos) {\n buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,\n collapsed.marker, collapsed.from == null);\n if (collapsed.to == null) { return }\n if (collapsed.to == pos) { collapsed = false; }\n }\n }\n if (pos >= len) { break }\n\n var upto = Math.min(len, nextChange);\n while (true) {\n if (text) {\n var end = pos + text.length;\n if (!collapsed) {\n var tokenText = end > upto ? text.slice(0, upto - pos) : text;\n builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,\n spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);\n }\n if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}\n pos = end;\n spanStartStyle = "";\n }\n text = allText.slice(at, at = styles[i++]);\n style = interpretTokenStyle(styles[i++], builder.cm.options);\n }\n }\n}\n\n\n// These objects are used to represent the visible (currently drawn)\n// part of the document. A LineView may correspond to multiple\n// logical lines, if those are connected by collapsed ranges.\nfunction LineView(doc, line, lineN) {\n // The starting line\n this.line = line;\n // Continuing lines, if any\n this.rest = visualLineContinued(line);\n // Number of logical lines in this visual line\n this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;\n this.node = this.text = null;\n this.hidden = lineIsHidden(doc, line);\n}\n\n// Create a range of LineView objects for the given lines.\nfunction buildViewArray(cm, from, to) {\n var array = [], nextPos;\n for (var pos = from; pos < to; pos = nextPos) {\n var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);\n nextPos = pos + view.size;\n array.push(view);\n }\n return array\n}\n\nvar operationGroup = null;\n\nfunction pushOperation(op) {\n if (operationGroup) {\n operationGroup.ops.push(op);\n } else {\n op.ownsGroup = operationGroup = {\n ops: [op],\n delayedCallbacks: []\n };\n }\n}\n\nfunction fireCallbacksForOps(group) {\n // Calls delayed callbacks and cursorActivity handlers until no\n // new ones appear\n var callbacks = group.delayedCallbacks, i = 0;\n do {\n for (; i < callbacks.length; i++)\n { callbacks[i].call(null); }\n for (var j = 0; j < group.ops.length; j++) {\n var op = group.ops[j];\n if (op.cursorActivityHandlers)\n { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)\n { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }\n }\n } while (i < callbacks.length)\n}\n\nfunction finishOperation(op, endCb) {\n var group = op.ownsGroup;\n if (!group) { return }\n\n try { fireCallbacksForOps(group); }\n finally {\n operationGroup = null;\n endCb(group);\n }\n}\n\nvar orphanDelayedCallbacks = null;\n\n// Often, we want to signal events at a point where we are in the\n// middle of some work, but don\'t want the handler to start calling\n// other methods on the editor, which might be in an inconsistent\n// state or simply not expect any other events to happen.\n// signalLater looks whether there are any handlers, and schedules\n// them to be executed when the last operation ends, or, if no\n// operation is active, when a timeout fires.\nfunction signalLater(emitter, type /*, values...*/) {\n var arr = getHandlers(emitter, type);\n if (!arr.length) { return }\n var args = Array.prototype.slice.call(arguments, 2), list;\n if (operationGroup) {\n list = operationGroup.delayedCallbacks;\n } else if (orphanDelayedCallbacks) {\n list = orphanDelayedCallbacks;\n } else {\n list = orphanDelayedCallbacks = [];\n setTimeout(fireOrphanDelayed, 0);\n }\n var loop = function ( i ) {\n list.push(function () { return arr[i].apply(null, args); });\n };\n\n for (var i = 0; i < arr.length; ++i)\n loop( i );\n}\n\nfunction fireOrphanDelayed() {\n var delayed = orphanDelayedCallbacks;\n orphanDelayedCallbacks = null;\n for (var i = 0; i < delayed.length; ++i) { delayed[i](); }\n}\n\n// When an aspect of a line changes, a string is added to\n// lineView.changes. This updates the relevant part of the line\'s\n// DOM structure.\nfunction updateLineForChanges(cm, lineView, lineN, dims) {\n for (var j = 0; j < lineView.changes.length; j++) {\n var type = lineView.changes[j];\n if (type == "text") { updateLineText(cm, lineView); }\n else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }\n else if (type == "class") { updateLineClasses(cm, lineView); }\n else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }\n }\n lineView.changes = null;\n}\n\n// Lines with gutter elements, widgets or a background class need to\n// be wrapped, and have the extra elements added to the wrapper div\nfunction ensureLineWrapped(lineView) {\n if (lineView.node == lineView.text) {\n lineView.node = elt("div", null, null, "position: relative");\n if (lineView.text.parentNode)\n { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }\n lineView.node.appendChild(lineView.text);\n if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }\n }\n return lineView.node\n}\n\nfunction updateLineBackground(cm, lineView) {\n var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;\n if (cls) { cls += " CodeMirror-linebackground"; }\n if (lineView.background) {\n if (cls) { lineView.background.className = cls; }\n else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }\n } else if (cls) {\n var wrap = ensureLineWrapped(lineView);\n lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);\n cm.display.input.setUneditable(lineView.background);\n }\n}\n\n// Wrapper around buildLineContent which will reuse the structure\n// in display.externalMeasured when possible.\nfunction getLineContent(cm, lineView) {\n var ext = cm.display.externalMeasured;\n if (ext && ext.line == lineView.line) {\n cm.display.externalMeasured = null;\n lineView.measure = ext.measure;\n return ext.built\n }\n return buildLineContent(cm, lineView)\n}\n\n// Redraw the line\'s text. Interacts with the background and text\n// classes because the mode may output tokens that influence these\n// classes.\nfunction updateLineText(cm, lineView) {\n var cls = lineView.text.className;\n var built = getLineContent(cm, lineView);\n if (lineView.text == lineView.node) { lineView.node = built.pre; }\n lineView.text.parentNode.replaceChild(built.pre, lineView.text);\n lineView.text = built.pre;\n if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {\n lineView.bgClass = built.bgClass;\n lineView.textClass = built.textClass;\n updateLineClasses(cm, lineView);\n } else if (cls) {\n lineView.text.className = cls;\n }\n}\n\nfunction updateLineClasses(cm, lineView) {\n updateLineBackground(cm, lineView);\n if (lineView.line.wrapClass)\n { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }\n else if (lineView.node != lineView.text)\n { lineView.node.className = ""; }\n var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;\n lineView.text.className = textClass || "";\n}\n\nfunction updateLineGutter(cm, lineView, lineN, dims) {\n if (lineView.gutter) {\n lineView.node.removeChild(lineView.gutter);\n lineView.gutter = null;\n }\n if (lineView.gutterBackground) {\n lineView.node.removeChild(lineView.gutterBackground);\n lineView.gutterBackground = null;\n }\n if (lineView.line.gutterClass) {\n var wrap = ensureLineWrapped(lineView);\n lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,\n ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));\n cm.display.input.setUneditable(lineView.gutterBackground);\n wrap.insertBefore(lineView.gutterBackground, lineView.text);\n }\n var markers = lineView.line.gutterMarkers;\n if (cm.options.lineNumbers || markers) {\n var wrap$1 = ensureLineWrapped(lineView);\n var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));\n cm.display.input.setUneditable(gutterWrap);\n wrap$1.insertBefore(gutterWrap, lineView.text);\n if (lineView.line.gutterClass)\n { gutterWrap.className += " " + lineView.line.gutterClass; }\n if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))\n { lineView.lineNumber = gutterWrap.appendChild(\n elt("div", lineNumberFor(cm.options, lineN),\n "CodeMirror-linenumber CodeMirror-gutter-elt",\n ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }\n if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {\n var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];\n if (found)\n { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",\n ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }\n } }\n }\n}\n\nfunction updateLineWidgets(cm, lineView, dims) {\n if (lineView.alignable) { lineView.alignable = null; }\n for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {\n next = node.nextSibling;\n if (node.className == "CodeMirror-linewidget")\n { lineView.node.removeChild(node); }\n }\n insertLineWidgets(cm, lineView, dims);\n}\n\n// Build a line\'s DOM representation from scratch\nfunction buildLineElement(cm, lineView, lineN, dims) {\n var built = getLineContent(cm, lineView);\n lineView.text = lineView.node = built.pre;\n if (built.bgClass) { lineView.bgClass = built.bgClass; }\n if (built.textClass) { lineView.textClass = built.textClass; }\n\n updateLineClasses(cm, lineView);\n updateLineGutter(cm, lineView, lineN, dims);\n insertLineWidgets(cm, lineView, dims);\n return lineView.node\n}\n\n// A lineView may contain multiple logical lines (when merged by\n// collapsed spans). The widgets for all of them need to be drawn.\nfunction insertLineWidgets(cm, lineView, dims) {\n insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }\n}\n\nfunction insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {\n if (!line.widgets) { return }\n var wrap = ensureLineWrapped(lineView);\n for (var i = 0, ws = line.widgets; i < ws.length; ++i) {\n var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");\n if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }\n positionLineWidget(widget, node, lineView, dims);\n cm.display.input.setUneditable(node);\n if (allowAbove && widget.above)\n { wrap.insertBefore(node, lineView.gutter || lineView.text); }\n else\n { wrap.appendChild(node); }\n signalLater(widget, "redraw");\n }\n}\n\nfunction positionLineWidget(widget, node, lineView, dims) {\n if (widget.noHScroll) {\n (lineView.alignable || (lineView.alignable = [])).push(node);\n var width = dims.wrapperWidth;\n node.style.left = dims.fixedPos + "px";\n if (!widget.coverGutter) {\n width -= dims.gutterTotalWidth;\n node.style.paddingLeft = dims.gutterTotalWidth + "px";\n }\n node.style.width = width + "px";\n }\n if (widget.coverGutter) {\n node.style.zIndex = 5;\n node.style.position = "relative";\n if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }\n }\n}\n\nfunction widgetHeight(widget) {\n if (widget.height != null) { return widget.height }\n var cm = widget.doc.cm;\n if (!cm) { return 0 }\n if (!contains(document.body, widget.node)) {\n var parentStyle = "position: relative;";\n if (widget.coverGutter)\n { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }\n if (widget.noHScroll)\n { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }\n removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));\n }\n return widget.height = widget.node.parentNode.offsetHeight\n}\n\n// Return true when the given mouse event happened in a widget\nfunction eventInWidget(display, e) {\n for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {\n if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||\n (n.parentNode == display.sizer && n != display.mover))\n { return true }\n }\n}\n\n// POSITION MEASUREMENT\n\nfunction paddingTop(display) {return display.lineSpace.offsetTop}\nfunction paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}\nfunction paddingH(display) {\n if (display.cachedPaddingH) { return display.cachedPaddingH }\n var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));\n var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;\n var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};\n if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }\n return data\n}\n\nfunction scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }\nfunction displayWidth(cm) {\n return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth\n}\nfunction displayHeight(cm) {\n return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight\n}\n\n// Ensure the lineView.wrapping.heights array is populated. This is\n// an array of bottom offsets for the lines that make up a drawn\n// line. When lineWrapping is on, there might be more than one\n// height.\nfunction ensureLineHeights(cm, lineView, rect) {\n var wrapping = cm.options.lineWrapping;\n var curWidth = wrapping && displayWidth(cm);\n if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {\n var heights = lineView.measure.heights = [];\n if (wrapping) {\n lineView.measure.width = curWidth;\n var rects = lineView.text.firstChild.getClientRects();\n for (var i = 0; i < rects.length - 1; i++) {\n var cur = rects[i], next = rects[i + 1];\n if (Math.abs(cur.bottom - next.bottom) > 2)\n { heights.push((cur.bottom + next.top) / 2 - rect.top); }\n }\n }\n heights.push(rect.bottom - rect.top);\n }\n}\n\n// Find a line map (mapping character offsets to text nodes) and a\n// measurement cache for the given line number. (A line view might\n// contain multiple lines when collapsed ranges are present.)\nfunction mapFromLineView(lineView, line, lineN) {\n if (lineView.line == line)\n { return {map: lineView.measure.map, cache: lineView.measure.cache} }\n for (var i = 0; i < lineView.rest.length; i++)\n { if (lineView.rest[i] == line)\n { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }\n for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)\n { if (lineNo(lineView.rest[i$1]) > lineN)\n { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }\n}\n\n// Render a line into the hidden node display.externalMeasured. Used\n// when measurement is needed for a line that\'s not in the viewport.\nfunction updateExternalMeasurement(cm, line) {\n line = visualLine(line);\n var lineN = lineNo(line);\n var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);\n view.lineN = lineN;\n var built = view.built = buildLineContent(cm, view);\n view.text = built.pre;\n removeChildrenAndAdd(cm.display.lineMeasure, built.pre);\n return view\n}\n\n// Get a {top, bottom, left, right} box (in line-local coordinates)\n// for a given character.\nfunction measureChar(cm, line, ch, bias) {\n return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)\n}\n\n// Find a line view that corresponds to the given line number.\nfunction findViewForLine(cm, lineN) {\n if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)\n { return cm.display.view[findViewIndex(cm, lineN)] }\n var ext = cm.display.externalMeasured;\n if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)\n { return ext }\n}\n\n// Measurement can be split in two steps, the set-up work that\n// applies to the whole line, and the measurement of the actual\n// character. Functions like coordsChar, that need to do a lot of\n// measurements in a row, can thus ensure that the set-up work is\n// only done once.\nfunction prepareMeasureForLine(cm, line) {\n var lineN = lineNo(line);\n var view = findViewForLine(cm, lineN);\n if (view && !view.text) {\n view = null;\n } else if (view && view.changes) {\n updateLineForChanges(cm, view, lineN, getDimensions(cm));\n cm.curOp.forceUpdate = true;\n }\n if (!view)\n { view = updateExternalMeasurement(cm, line); }\n\n var info = mapFromLineView(view, line, lineN);\n return {\n line: line, view: view, rect: null,\n map: info.map, cache: info.cache, before: info.before,\n hasHeights: false\n }\n}\n\n// Given a prepared measurement object, measures the position of an\n// actual character (or fetches it from the cache).\nfunction measureCharPrepared(cm, prepared, ch, bias, varHeight) {\n if (prepared.before) { ch = -1; }\n var key = ch + (bias || ""), found;\n if (prepared.cache.hasOwnProperty(key)) {\n found = prepared.cache[key];\n } else {\n if (!prepared.rect)\n { prepared.rect = prepared.view.text.getBoundingClientRect(); }\n if (!prepared.hasHeights) {\n ensureLineHeights(cm, prepared.view, prepared.rect);\n prepared.hasHeights = true;\n }\n found = measureCharInner(cm, prepared, ch, bias);\n if (!found.bogus) { prepared.cache[key] = found; }\n }\n return {left: found.left, right: found.right,\n top: varHeight ? found.rtop : found.top,\n bottom: varHeight ? found.rbottom : found.bottom}\n}\n\nvar nullRect = {left: 0, right: 0, top: 0, bottom: 0};\n\nfunction nodeAndOffsetInLineMap(map$$1, ch, bias) {\n var node, start, end, collapse, mStart, mEnd;\n // First, search the line map for the text node corresponding to,\n // or closest to, the target character.\n for (var i = 0; i < map$$1.length; i += 3) {\n mStart = map$$1[i];\n mEnd = map$$1[i + 1];\n if (ch < mStart) {\n start = 0; end = 1;\n collapse = "left";\n } else if (ch < mEnd) {\n start = ch - mStart;\n end = start + 1;\n } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {\n end = mEnd - mStart;\n start = end - 1;\n if (ch >= mEnd) { collapse = "right"; }\n }\n if (start != null) {\n node = map$$1[i + 2];\n if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))\n { collapse = bias; }\n if (bias == "left" && start == 0)\n { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {\n node = map$$1[(i -= 3) + 2];\n collapse = "left";\n } }\n if (bias == "right" && start == mEnd - mStart)\n { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {\n node = map$$1[(i += 3) + 2];\n collapse = "right";\n } }\n break\n }\n }\n return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}\n}\n\nfunction getUsefulRect(rects, bias) {\n var rect = nullRect;\n if (bias == "left") { for (var i = 0; i < rects.length; i++) {\n if ((rect = rects[i]).left != rect.right) { break }\n } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {\n if ((rect = rects[i$1]).left != rect.right) { break }\n } }\n return rect\n}\n\nfunction measureCharInner(cm, prepared, ch, bias) {\n var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);\n var node = place.node, start = place.start, end = place.end, collapse = place.collapse;\n\n var rect;\n if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.\n for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned\n while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }\n while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }\n if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)\n { rect = node.parentNode.getBoundingClientRect(); }\n else\n { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }\n if (rect.left || rect.right || start == 0) { break }\n end = start;\n start = start - 1;\n collapse = "right";\n }\n if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }\n } else { // If it is a widget, simply get the box for the whole widget.\n if (start > 0) { collapse = bias = "right"; }\n var rects;\n if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)\n { rect = rects[bias == "right" ? rects.length - 1 : 0]; }\n else\n { rect = node.getBoundingClientRect(); }\n }\n if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {\n var rSpan = node.parentNode.getClientRects()[0];\n if (rSpan)\n { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }\n else\n { rect = nullRect; }\n }\n\n var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;\n var mid = (rtop + rbot) / 2;\n var heights = prepared.view.measure.heights;\n var i = 0;\n for (; i < heights.length - 1; i++)\n { if (mid < heights[i]) { break } }\n var top = i ? heights[i - 1] : 0, bot = heights[i];\n var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,\n right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,\n top: top, bottom: bot};\n if (!rect.left && !rect.right) { result.bogus = true; }\n if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }\n\n return result\n}\n\n// Work around problem with bounding client rects on ranges being\n// returned incorrectly when zoomed on IE10 and below.\nfunction maybeUpdateRectForZooming(measure, rect) {\n if (!window.screen || screen.logicalXDPI == null ||\n screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))\n { return rect }\n var scaleX = screen.logicalXDPI / screen.deviceXDPI;\n var scaleY = screen.logicalYDPI / screen.deviceYDPI;\n return {left: rect.left * scaleX, right: rect.right * scaleX,\n top: rect.top * scaleY, bottom: rect.bottom * scaleY}\n}\n\nfunction clearLineMeasurementCacheFor(lineView) {\n if (lineView.measure) {\n lineView.measure.cache = {};\n lineView.measure.heights = null;\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { lineView.measure.caches[i] = {}; } }\n }\n}\n\nfunction clearLineMeasurementCache(cm) {\n cm.display.externalMeasure = null;\n removeChildren(cm.display.lineMeasure);\n for (var i = 0; i < cm.display.view.length; i++)\n { clearLineMeasurementCacheFor(cm.display.view[i]); }\n}\n\nfunction clearCaches(cm) {\n clearLineMeasurementCache(cm);\n cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;\n if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }\n cm.display.lineNumChars = null;\n}\n\nfunction pageScrollX() {\n // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206\n // which causes page_Offset and bounding client rects to use\n // different reference viewports and invalidate our calculations.\n if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }\n return window.pageXOffset || (document.documentElement || document.body).scrollLeft\n}\nfunction pageScrollY() {\n if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }\n return window.pageYOffset || (document.documentElement || document.body).scrollTop\n}\n\nfunction widgetTopHeight(lineObj) {\n var height = 0;\n if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)\n { height += widgetHeight(lineObj.widgets[i]); } } }\n return height\n}\n\n// Converts a {top, bottom, left, right} box from line-local\n// coordinates into another coordinate system. Context may be one of\n// "line", "div" (display.lineDiv), "local"./null (editor), "window",\n// or "page".\nfunction intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {\n if (!includeWidgets) {\n var height = widgetTopHeight(lineObj);\n rect.top += height; rect.bottom += height;\n }\n if (context == "line") { return rect }\n if (!context) { context = "local"; }\n var yOff = heightAtLine(lineObj);\n if (context == "local") { yOff += paddingTop(cm.display); }\n else { yOff -= cm.display.viewOffset; }\n if (context == "page" || context == "window") {\n var lOff = cm.display.lineSpace.getBoundingClientRect();\n yOff += lOff.top + (context == "window" ? 0 : pageScrollY());\n var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());\n rect.left += xOff; rect.right += xOff;\n }\n rect.top += yOff; rect.bottom += yOff;\n return rect\n}\n\n// Coverts a box from "div" coords to another coordinate system.\n// Context may be "window", "page", "div", or "local"./null.\nfunction fromCoordSystem(cm, coords, context) {\n if (context == "div") { return coords }\n var left = coords.left, top = coords.top;\n // First move into "page" coordinate system\n if (context == "page") {\n left -= pageScrollX();\n top -= pageScrollY();\n } else if (context == "local" || !context) {\n var localBox = cm.display.sizer.getBoundingClientRect();\n left += localBox.left;\n top += localBox.top;\n }\n\n var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();\n return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}\n}\n\nfunction charCoords(cm, pos, context, lineObj, bias) {\n if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }\n return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)\n}\n\n// Returns a box for a given cursor position, which may have an\n// \'other\' property containing the position of the secondary cursor\n// on a bidi boundary.\n// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`\n// and after `char - 1` in writing order of `char - 1`\n// A cursor Pos(line, char, "after") is on the same visual line as `char`\n// and before `char` in writing order of `char`\n// Examples (upper-case letters are RTL, lower-case are LTR):\n// Pos(0, 1, ...)\n// before after\n// ab a|b a|b\n// aB a|B aB|\n// Ab |Ab A|b\n// AB B|A B|A\n// Every position after the last character on a line is considered to stick\n// to the last character on the line.\nfunction cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {\n lineObj = lineObj || getLine(cm.doc, pos.line);\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n function get(ch, right) {\n var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);\n if (right) { m.left = m.right; } else { m.right = m.left; }\n return intoCoordSystem(cm, lineObj, m, context)\n }\n var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;\n if (ch >= lineObj.text.length) {\n ch = lineObj.text.length;\n sticky = "before";\n } else if (ch <= 0) {\n ch = 0;\n sticky = "after";\n }\n if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }\n\n function getBidi(ch, partPos, invert) {\n var part = order[partPos], right = part.level == 1;\n return get(invert ? ch - 1 : ch, right != invert)\n }\n var partPos = getBidiPartAt(order, ch, sticky);\n var other = bidiOther;\n var val = getBidi(ch, partPos, sticky == "before");\n if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }\n return val\n}\n\n// Used to cheaply estimate the coordinates for a position. Used for\n// intermediate scroll updates.\nfunction estimateCoords(cm, pos) {\n var left = 0;\n pos = clipPos(cm.doc, pos);\n if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }\n var lineObj = getLine(cm.doc, pos.line);\n var top = heightAtLine(lineObj) + paddingTop(cm.display);\n return {left: left, right: left, top: top, bottom: top + lineObj.height}\n}\n\n// Positions returned by coordsChar contain some extra information.\n// xRel is the relative x position of the input coordinates compared\n// to the found position (so xRel > 0 means the coordinates are to\n// the right of the character position, for example). When outside\n// is true, that means the coordinates lie outside the line\'s\n// vertical range.\nfunction PosWithInfo(line, ch, sticky, outside, xRel) {\n var pos = Pos(line, ch, sticky);\n pos.xRel = xRel;\n if (outside) { pos.outside = true; }\n return pos\n}\n\n// Compute the character position closest to the given coordinates.\n// Input must be lineSpace-local ("div" coordinate system).\nfunction coordsChar(cm, x, y) {\n var doc = cm.doc;\n y += cm.display.viewOffset;\n if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }\n var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;\n if (lineN > last)\n { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }\n if (x < 0) { x = 0; }\n\n var lineObj = getLine(doc, lineN);\n for (;;) {\n var found = coordsCharInner(cm, lineObj, lineN, x, y);\n var merged = collapsedSpanAtEnd(lineObj);\n var mergedPos = merged && merged.find(0, true);\n if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))\n { lineN = lineNo(lineObj = mergedPos.to.line); }\n else\n { return found }\n }\n}\n\nfunction wrappedLineExtent(cm, lineObj, preparedMeasure, y) {\n y -= widgetTopHeight(lineObj);\n var end = lineObj.text.length;\n var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);\n end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);\n return {begin: begin, end: end}\n}\n\nfunction wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;\n return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)\n}\n\n// Returns true if the given side of a box is after the given\n// coordinates, in top-to-bottom, left-to-right order.\nfunction boxIsAfter(box, x, y, left) {\n return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x\n}\n\nfunction coordsCharInner(cm, lineObj, lineNo$$1, x, y) {\n // Move y into line-local coordinate space\n y -= heightAtLine(lineObj);\n var preparedMeasure = prepareMeasureForLine(cm, lineObj);\n // When directly calling `measureCharPrepared`, we have to adjust\n // for the widgets at this line.\n var widgetHeight$$1 = widgetTopHeight(lineObj);\n var begin = 0, end = lineObj.text.length, ltr = true;\n\n var order = getOrder(lineObj, cm.doc.direction);\n // If the line isn\'t plain left-to-right text, first figure out\n // which bidi section the coordinates fall into.\n if (order) {\n var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)\n (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);\n ltr = part.level != 1;\n // The awkward -1 offsets are needed because findFirst (called\n // on these below) will treat its first bound as inclusive,\n // second as exclusive, but we want to actually address the\n // characters in the part\'s range\n begin = ltr ? part.from : part.to - 1;\n end = ltr ? part.to : part.from - 1;\n }\n\n // A binary search to find the first character whose bounding box\n // starts after the coordinates. If we run across any whose box wrap\n // the coordinates, store that.\n var chAround = null, boxAround = null;\n var ch = findFirst(function (ch) {\n var box = measureCharPrepared(cm, preparedMeasure, ch);\n box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;\n if (!boxIsAfter(box, x, y, false)) { return false }\n if (box.top <= y && box.left <= x) {\n chAround = ch;\n boxAround = box;\n }\n return true\n }, begin, end);\n\n var baseX, sticky, outside = false;\n // If a box around the coordinates was found, use that\n if (boxAround) {\n // Distinguish coordinates nearer to the left or right side of the box\n var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;\n ch = chAround + (atStart ? 0 : 1);\n sticky = atStart ? "after" : "before";\n baseX = atLeft ? boxAround.left : boxAround.right;\n } else {\n // (Adjust for extended bound, if necessary.)\n if (!ltr && (ch == end || ch == begin)) { ch++; }\n // To determine which side to associate with, get the box to the\n // left of the character and compare it\'s vertical position to the\n // coordinates\n sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :\n (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?\n "after" : "before";\n // Now get accurate coordinates for this place, in order to get a\n // base X position\n var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);\n baseX = coords.left;\n outside = y < coords.top || y >= coords.bottom;\n }\n\n ch = skipExtendingChars(lineObj.text, ch, 1);\n return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)\n}\n\nfunction coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {\n // Bidi parts are sorted left-to-right, and in a non-line-wrapping\n // situation, we can take this ordering to correspond to the visual\n // ordering. This finds the first part whose end is after the given\n // coordinates.\n var index = findFirst(function (i) {\n var part = order[i], ltr = part.level != 1;\n return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),\n "line", lineObj, preparedMeasure), x, y, true)\n }, 0, order.length - 1);\n var part = order[index];\n // If this isn\'t the first part, the part\'s start is also after\n // the coordinates, and the coordinates aren\'t on the same line as\n // that start, move one part back.\n if (index > 0) {\n var ltr = part.level != 1;\n var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),\n "line", lineObj, preparedMeasure);\n if (boxIsAfter(start, x, y, true) && start.top > y)\n { part = order[index - 1]; }\n }\n return part\n}\n\nfunction coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {\n // In a wrapped line, rtl text on wrapping boundaries can do things\n // that don\'t correspond to the ordering in our `order` array at\n // all, so a binary search doesn\'t work, and we want to return a\n // part that only spans one line so that the binary search in\n // coordsCharInner is safe. As such, we first find the extent of the\n // wrapped line, and then do a flat search in which we discard any\n // spans that aren\'t on the line.\n var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);\n var begin = ref.begin;\n var end = ref.end;\n if (/\\s/.test(lineObj.text.charAt(end - 1))) { end--; }\n var part = null, closestDist = null;\n for (var i = 0; i < order.length; i++) {\n var p = order[i];\n if (p.from >= end || p.to <= begin) { continue }\n var ltr = p.level != 1;\n var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;\n // Weigh against spans ending before this, so that they are only\n // picked if nothing ends after\n var dist = endX < x ? x - endX + 1e9 : endX - x;\n if (!part || closestDist > dist) {\n part = p;\n closestDist = dist;\n }\n }\n if (!part) { part = order[order.length - 1]; }\n // Clip the part to the wrapped line.\n if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }\n if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }\n return part\n}\n\nvar measureText;\n// Compute the default text height.\nfunction textHeight(display) {\n if (display.cachedTextHeight != null) { return display.cachedTextHeight }\n if (measureText == null) {\n measureText = elt("pre");\n // Measure a bunch of lines, for browsers that compute\n // fractional heights.\n for (var i = 0; i < 49; ++i) {\n measureText.appendChild(document.createTextNode("x"));\n measureText.appendChild(elt("br"));\n }\n measureText.appendChild(document.createTextNode("x"));\n }\n removeChildrenAndAdd(display.measure, measureText);\n var height = measureText.offsetHeight / 50;\n if (height > 3) { display.cachedTextHeight = height; }\n removeChildren(display.measure);\n return height || 1\n}\n\n// Compute the default character width.\nfunction charWidth(display) {\n if (display.cachedCharWidth != null) { return display.cachedCharWidth }\n var anchor = elt("span", "xxxxxxxxxx");\n var pre = elt("pre", [anchor]);\n removeChildrenAndAdd(display.measure, pre);\n var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;\n if (width > 2) { display.cachedCharWidth = width; }\n return width || 10\n}\n\n// Do a bulk-read of the DOM positions and sizes needed to draw the\n// view, so that we don\'t interleave reading and writing to the DOM.\nfunction getDimensions(cm) {\n var d = cm.display, left = {}, width = {};\n var gutterLeft = d.gutters.clientLeft;\n for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {\n left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;\n width[cm.options.gutters[i]] = n.clientWidth;\n }\n return {fixedPos: compensateForHScroll(d),\n gutterTotalWidth: d.gutters.offsetWidth,\n gutterLeft: left,\n gutterWidth: width,\n wrapperWidth: d.wrapper.clientWidth}\n}\n\n// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,\n// but using getBoundingClientRect to get a sub-pixel-accurate\n// result.\nfunction compensateForHScroll(display) {\n return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left\n}\n\n// Returns a function that estimates the height of a line, to use as\n// first approximation until the line becomes visible (and is thus\n// properly measurable).\nfunction estimateHeight(cm) {\n var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;\n var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);\n return function (line) {\n if (lineIsHidden(cm.doc, line)) { return 0 }\n\n var widgetsHeight = 0;\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {\n if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }\n } }\n\n if (wrapping)\n { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }\n else\n { return widgetsHeight + th }\n }\n}\n\nfunction estimateLineHeights(cm) {\n var doc = cm.doc, est = estimateHeight(cm);\n doc.iter(function (line) {\n var estHeight = est(line);\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n });\n}\n\n// Given a mouse event, find the corresponding position. If liberal\n// is false, it checks whether a gutter or scrollbar was clicked,\n// and returns null if it was. forRect is used by rectangular\n// selections, and tries to estimate a character position even for\n// coordinates beyond the right of the text.\nfunction posFromMouse(cm, e, liberal, forRect) {\n var display = cm.display;\n if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }\n\n var x, y, space = display.lineSpace.getBoundingClientRect();\n // Fails unpredictably on IE[67] when mouse is dragged around quickly.\n try { x = e.clientX - space.left; y = e.clientY - space.top; }\n catch (e) { return null }\n var coords = coordsChar(cm, x, y), line;\n if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {\n var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;\n coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));\n }\n return coords\n}\n\n// Find the view element corresponding to a given line. Return null\n// when the line isn\'t visible.\nfunction findViewIndex(cm, n) {\n if (n >= cm.display.viewTo) { return null }\n n -= cm.display.viewFrom;\n if (n < 0) { return null }\n var view = cm.display.view;\n for (var i = 0; i < view.length; i++) {\n n -= view[i].size;\n if (n < 0) { return i }\n }\n}\n\nfunction updateSelection(cm) {\n cm.display.input.showSelection(cm.display.input.prepareSelection());\n}\n\nfunction prepareSelection(cm, primary) {\n if ( primary === void 0 ) primary = true;\n\n var doc = cm.doc, result = {};\n var curFragment = result.cursors = document.createDocumentFragment();\n var selFragment = result.selection = document.createDocumentFragment();\n\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n if (!primary && i == doc.sel.primIndex) { continue }\n var range$$1 = doc.sel.ranges[i];\n if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }\n var collapsed = range$$1.empty();\n if (collapsed || cm.options.showCursorWhenSelecting)\n { drawSelectionCursor(cm, range$$1.head, curFragment); }\n if (!collapsed)\n { drawSelectionRange(cm, range$$1, selFragment); }\n }\n return result\n}\n\n// Draws a cursor for the given range\nfunction drawSelectionCursor(cm, head, output) {\n var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);\n\n var cursor = output.appendChild(elt("div", "\\u00a0", "CodeMirror-cursor"));\n cursor.style.left = pos.left + "px";\n cursor.style.top = pos.top + "px";\n cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";\n\n if (pos.other) {\n // Secondary cursor, shown when on a \'jump\' in bi-directional text\n var otherCursor = output.appendChild(elt("div", "\\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));\n otherCursor.style.display = "";\n otherCursor.style.left = pos.other.left + "px";\n otherCursor.style.top = pos.other.top + "px";\n otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";\n }\n}\n\nfunction cmpCoords(a, b) { return a.top - b.top || a.left - b.left }\n\n// Draws the given range as a highlighted selection\nfunction drawSelectionRange(cm, range$$1, output) {\n var display = cm.display, doc = cm.doc;\n var fragment = document.createDocumentFragment();\n var padding = paddingH(cm.display), leftSide = padding.left;\n var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;\n var docLTR = doc.direction == "ltr";\n\n function add(left, top, width, bottom) {\n if (top < 0) { top = 0; }\n top = Math.round(top);\n bottom = Math.round(bottom);\n fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\\n height: " + (bottom - top) + "px")));\n }\n\n function drawForLine(line, fromArg, toArg) {\n var lineObj = getLine(doc, line);\n var lineLen = lineObj.text.length;\n var start, end;\n function coords(ch, bias) {\n return charCoords(cm, Pos(line, ch), "div", lineObj, bias)\n }\n\n function wrapX(pos, dir, side) {\n var extent = wrappedLineExtentChar(cm, lineObj, null, pos);\n var prop = (dir == "ltr") == (side == "after") ? "left" : "right";\n var ch = side == "after" ? extent.begin : extent.end - (/\\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);\n return coords(ch, prop)[prop]\n }\n\n var order = getOrder(lineObj, doc.direction);\n iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {\n var ltr = dir == "ltr";\n var fromPos = coords(from, ltr ? "left" : "right");\n var toPos = coords(to - 1, ltr ? "right" : "left");\n\n var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;\n var first = i == 0, last = !order || i == order.length - 1;\n if (toPos.top - fromPos.top <= 3) { // Single line\n var openLeft = (docLTR ? openStart : openEnd) && first;\n var openRight = (docLTR ? openEnd : openStart) && last;\n var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;\n var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;\n add(left, fromPos.top, right - left, fromPos.bottom);\n } else { // Multiple lines\n var topLeft, topRight, botLeft, botRight;\n if (ltr) {\n topLeft = docLTR && openStart && first ? leftSide : fromPos.left;\n topRight = docLTR ? rightSide : wrapX(from, dir, "before");\n botLeft = docLTR ? leftSide : wrapX(to, dir, "after");\n botRight = docLTR && openEnd && last ? rightSide : toPos.right;\n } else {\n topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");\n topRight = !docLTR && openStart && first ? rightSide : fromPos.right;\n botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;\n botRight = !docLTR ? rightSide : wrapX(to, dir, "after");\n }\n add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);\n if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }\n add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);\n }\n\n if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }\n if (cmpCoords(toPos, start) < 0) { start = toPos; }\n if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }\n if (cmpCoords(toPos, end) < 0) { end = toPos; }\n });\n return {start: start, end: end}\n }\n\n var sFrom = range$$1.from(), sTo = range$$1.to();\n if (sFrom.line == sTo.line) {\n drawForLine(sFrom.line, sFrom.ch, sTo.ch);\n } else {\n var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);\n var singleVLine = visualLine(fromLine) == visualLine(toLine);\n var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;\n var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;\n if (singleVLine) {\n if (leftEnd.top < rightStart.top - 2) {\n add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);\n add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);\n } else {\n add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);\n }\n }\n if (leftEnd.bottom < rightStart.top)\n { add(leftSide, leftEnd.bottom, null, rightStart.top); }\n }\n\n output.appendChild(fragment);\n}\n\n// Cursor-blinking\nfunction restartBlink(cm) {\n if (!cm.state.focused) { return }\n var display = cm.display;\n clearInterval(display.blinker);\n var on = true;\n display.cursorDiv.style.visibility = "";\n if (cm.options.cursorBlinkRate > 0)\n { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },\n cm.options.cursorBlinkRate); }\n else if (cm.options.cursorBlinkRate < 0)\n { display.cursorDiv.style.visibility = "hidden"; }\n}\n\nfunction ensureFocus(cm) {\n if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }\n}\n\nfunction delayBlurEvent(cm) {\n cm.state.delayingBlurEvent = true;\n setTimeout(function () { if (cm.state.delayingBlurEvent) {\n cm.state.delayingBlurEvent = false;\n onBlur(cm);\n } }, 100);\n}\n\nfunction onFocus(cm, e) {\n if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }\n\n if (cm.options.readOnly == "nocursor") { return }\n if (!cm.state.focused) {\n signal(cm, "focus", cm, e);\n cm.state.focused = true;\n addClass(cm.display.wrapper, "CodeMirror-focused");\n // This test prevents this from firing when a context\n // menu is closed (since the input reset would kill the\n // select-all detection hack)\n if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {\n cm.display.input.reset();\n if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730\n }\n cm.display.input.receivedFocus();\n }\n restartBlink(cm);\n}\nfunction onBlur(cm, e) {\n if (cm.state.delayingBlurEvent) { return }\n\n if (cm.state.focused) {\n signal(cm, "blur", cm, e);\n cm.state.focused = false;\n rmClass(cm.display.wrapper, "CodeMirror-focused");\n }\n clearInterval(cm.display.blinker);\n setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);\n}\n\n// Read the actual heights of the rendered lines, and update their\n// stored heights to match.\nfunction updateHeightsInViewport(cm) {\n var display = cm.display;\n var prevBottom = display.lineDiv.offsetTop;\n for (var i = 0; i < display.view.length; i++) {\n var cur = display.view[i], height = (void 0);\n if (cur.hidden) { continue }\n if (ie && ie_version < 8) {\n var bot = cur.node.offsetTop + cur.node.offsetHeight;\n height = bot - prevBottom;\n prevBottom = bot;\n } else {\n var box = cur.node.getBoundingClientRect();\n height = box.bottom - box.top;\n }\n var diff = cur.line.height - height;\n if (height < 2) { height = textHeight(display); }\n if (diff > .005 || diff < -.005) {\n updateLineHeight(cur.line, height);\n updateWidgetHeight(cur.line);\n if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)\n { updateWidgetHeight(cur.rest[j]); } }\n }\n }\n}\n\n// Read and store the height of line widgets associated with the\n// given line.\nfunction updateWidgetHeight(line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {\n var w = line.widgets[i], parent = w.node.parentNode;\n if (parent) { w.height = parent.offsetHeight; }\n } }\n}\n\n// Compute the lines that are visible in a given viewport (defaults\n// the the current scroll position). viewport may contain top,\n// height, and ensure (see op.scrollToPos) properties.\nfunction visibleLines(display, doc, viewport) {\n var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;\n top = Math.floor(top - paddingTop(display));\n var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;\n\n var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);\n // Ensure is a {from: {line, ch}, to: {line, ch}} object, and\n // forces those lines into the viewport (if possible).\n if (viewport && viewport.ensure) {\n var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;\n if (ensureFrom < from) {\n from = ensureFrom;\n to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);\n } else if (Math.min(ensureTo, doc.lastLine()) >= to) {\n from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);\n to = ensureTo;\n }\n }\n return {from: from, to: Math.max(to, from + 1)}\n}\n\n// Re-align line numbers and gutter marks to compensate for\n// horizontal scrolling.\nfunction alignHorizontally(cm) {\n var display = cm.display, view = display.view;\n if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }\n var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;\n var gutterW = display.gutters.offsetWidth, left = comp + "px";\n for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {\n if (cm.options.fixedGutter) {\n if (view[i].gutter)\n { view[i].gutter.style.left = left; }\n if (view[i].gutterBackground)\n { view[i].gutterBackground.style.left = left; }\n }\n var align = view[i].alignable;\n if (align) { for (var j = 0; j < align.length; j++)\n { align[j].style.left = left; } }\n } }\n if (cm.options.fixedGutter)\n { display.gutters.style.left = (comp + gutterW) + "px"; }\n}\n\n// Used to ensure that the line number gutter is still the right\n// size for the current document size. Returns true when an update\n// is needed.\nfunction maybeUpdateLineNumberWidth(cm) {\n if (!cm.options.lineNumbers) { return false }\n var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;\n if (last.length != display.lineNumChars) {\n var test = display.measure.appendChild(elt("div", [elt("div", last)],\n "CodeMirror-linenumber CodeMirror-gutter-elt"));\n var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;\n display.lineGutter.style.width = "";\n display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;\n display.lineNumWidth = display.lineNumInnerWidth + padding;\n display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;\n display.lineGutter.style.width = display.lineNumWidth + "px";\n updateGutterSpace(cm);\n return true\n }\n return false\n}\n\n// SCROLLING THINGS INTO VIEW\n\n// If an editor sits on the top or bottom of the window, partially\n// scrolled out of view, this ensures that the cursor is visible.\nfunction maybeScrollWindow(cm, rect) {\n if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }\n\n var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;\n if (rect.top + box.top < 0) { doScroll = true; }\n else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }\n if (doScroll != null && !phantom) {\n var scrollNode = elt("div", "\\u200b", null, ("position: absolute;\\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));\n cm.display.lineSpace.appendChild(scrollNode);\n scrollNode.scrollIntoView(doScroll);\n cm.display.lineSpace.removeChild(scrollNode);\n }\n}\n\n// Scroll a given position into view (immediately), verifying that\n// it actually became visible (as line heights are accurately\n// measured, the position of something may \'drift\' during drawing).\nfunction scrollPosIntoView(cm, pos, end, margin) {\n if (margin == null) { margin = 0; }\n var rect;\n if (!cm.options.lineWrapping && pos == end) {\n // Set pos and end to the cursor positions around the character pos sticks to\n // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch\n // If pos == Pos(_, 0, "before"), pos and end are unchanged\n pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;\n end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;\n }\n for (var limit = 0; limit < 5; limit++) {\n var changed = false;\n var coords = cursorCoords(cm, pos);\n var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);\n rect = {left: Math.min(coords.left, endCoords.left),\n top: Math.min(coords.top, endCoords.top) - margin,\n right: Math.max(coords.left, endCoords.left),\n bottom: Math.max(coords.bottom, endCoords.bottom) + margin};\n var scrollPos = calculateScrollPos(cm, rect);\n var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;\n if (scrollPos.scrollTop != null) {\n updateScrollTop(cm, scrollPos.scrollTop);\n if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }\n }\n if (scrollPos.scrollLeft != null) {\n setScrollLeft(cm, scrollPos.scrollLeft);\n if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }\n }\n if (!changed) { break }\n }\n return rect\n}\n\n// Scroll a given set of coordinates into view (immediately).\nfunction scrollIntoView(cm, rect) {\n var scrollPos = calculateScrollPos(cm, rect);\n if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }\n if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }\n}\n\n// Calculate a new scroll position needed to scroll the given\n// rectangle into view. Returns an object with scrollTop and\n// scrollLeft properties. When these are undefined, the\n// vertical/horizontal position does not need to be adjusted.\nfunction calculateScrollPos(cm, rect) {\n var display = cm.display, snapMargin = textHeight(cm.display);\n if (rect.top < 0) { rect.top = 0; }\n var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;\n var screen = displayHeight(cm), result = {};\n if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }\n var docBottom = cm.doc.height + paddingVert(display);\n var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;\n if (rect.top < screentop) {\n result.scrollTop = atTop ? 0 : rect.top;\n } else if (rect.bottom > screentop + screen) {\n var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);\n if (newTop != screentop) { result.scrollTop = newTop; }\n }\n\n var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;\n var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);\n var tooWide = rect.right - rect.left > screenw;\n if (tooWide) { rect.right = rect.left + screenw; }\n if (rect.left < 10)\n { result.scrollLeft = 0; }\n else if (rect.left < screenleft)\n { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }\n else if (rect.right > screenw + screenleft - 3)\n { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }\n return result\n}\n\n// Store a relative adjustment to the scroll position in the current\n// operation (to be applied when the operation finishes).\nfunction addToScrollTop(cm, top) {\n if (top == null) { return }\n resolveScrollToPos(cm);\n cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;\n}\n\n// Make sure that at the end of the operation the current cursor is\n// shown.\nfunction ensureCursorVisible(cm) {\n resolveScrollToPos(cm);\n var cur = cm.getCursor();\n cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};\n}\n\nfunction scrollToCoords(cm, x, y) {\n if (x != null || y != null) { resolveScrollToPos(cm); }\n if (x != null) { cm.curOp.scrollLeft = x; }\n if (y != null) { cm.curOp.scrollTop = y; }\n}\n\nfunction scrollToRange(cm, range$$1) {\n resolveScrollToPos(cm);\n cm.curOp.scrollToPos = range$$1;\n}\n\n// When an operation has its scrollToPos property set, and another\n// scroll action is applied before the end of the operation, this\n// \'simulates\' scrolling that position into view in a cheap way, so\n// that the effect of intermediate scroll commands is not ignored.\nfunction resolveScrollToPos(cm) {\n var range$$1 = cm.curOp.scrollToPos;\n if (range$$1) {\n cm.curOp.scrollToPos = null;\n var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);\n scrollToCoordsRange(cm, from, to, range$$1.margin);\n }\n}\n\nfunction scrollToCoordsRange(cm, from, to, margin) {\n var sPos = calculateScrollPos(cm, {\n left: Math.min(from.left, to.left),\n top: Math.min(from.top, to.top) - margin,\n right: Math.max(from.right, to.right),\n bottom: Math.max(from.bottom, to.bottom) + margin\n });\n scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);\n}\n\n// Sync the scrollable area and scrollbars, ensure the viewport\n// covers the visible area.\nfunction updateScrollTop(cm, val) {\n if (Math.abs(cm.doc.scrollTop - val) < 2) { return }\n if (!gecko) { updateDisplaySimple(cm, {top: val}); }\n setScrollTop(cm, val, true);\n if (gecko) { updateDisplaySimple(cm); }\n startWorker(cm, 100);\n}\n\nfunction setScrollTop(cm, val, forceScroll) {\n val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);\n if (cm.display.scroller.scrollTop == val && !forceScroll) { return }\n cm.doc.scrollTop = val;\n cm.display.scrollbars.setScrollTop(val);\n if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }\n}\n\n// Sync scroller and scrollbar, ensure the gutter elements are\n// aligned.\nfunction setScrollLeft(cm, val, isScroller, forceScroll) {\n val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);\n if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }\n cm.doc.scrollLeft = val;\n alignHorizontally(cm);\n if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }\n cm.display.scrollbars.setScrollLeft(val);\n}\n\n// SCROLLBARS\n\n// Prepare DOM reads needed to update the scrollbars. Done in one\n// shot to minimize update/measure roundtrips.\nfunction measureForScrollbars(cm) {\n var d = cm.display, gutterW = d.gutters.offsetWidth;\n var docH = Math.round(cm.doc.height + paddingVert(cm.display));\n return {\n clientHeight: d.scroller.clientHeight,\n viewHeight: d.wrapper.clientHeight,\n scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,\n viewWidth: d.wrapper.clientWidth,\n barLeft: cm.options.fixedGutter ? gutterW : 0,\n docHeight: docH,\n scrollHeight: docH + scrollGap(cm) + d.barHeight,\n nativeBarWidth: d.nativeBarWidth,\n gutterWidth: gutterW\n }\n}\n\nvar NativeScrollbars = function(place, scroll, cm) {\n this.cm = cm;\n var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");\n var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");\n place(vert); place(horiz);\n\n on(vert, "scroll", function () {\n if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }\n });\n on(horiz, "scroll", function () {\n if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }\n });\n\n this.checkedZeroWidth = false;\n // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).\n if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }\n};\n\nNativeScrollbars.prototype.update = function (measure) {\n var needsH = measure.scrollWidth > measure.clientWidth + 1;\n var needsV = measure.scrollHeight > measure.clientHeight + 1;\n var sWidth = measure.nativeBarWidth;\n\n if (needsV) {\n this.vert.style.display = "block";\n this.vert.style.bottom = needsH ? sWidth + "px" : "0";\n var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);\n // A bug in IE8 can cause this value to be negative, so guard it.\n this.vert.firstChild.style.height =\n Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";\n } else {\n this.vert.style.display = "";\n this.vert.firstChild.style.height = "0";\n }\n\n if (needsH) {\n this.horiz.style.display = "block";\n this.horiz.style.right = needsV ? sWidth + "px" : "0";\n this.horiz.style.left = measure.barLeft + "px";\n var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);\n this.horiz.firstChild.style.width =\n Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";\n } else {\n this.horiz.style.display = "";\n this.horiz.firstChild.style.width = "0";\n }\n\n if (!this.checkedZeroWidth && measure.clientHeight > 0) {\n if (sWidth == 0) { this.zeroWidthHack(); }\n this.checkedZeroWidth = true;\n }\n\n return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}\n};\n\nNativeScrollbars.prototype.setScrollLeft = function (pos) {\n if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }\n if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }\n};\n\nNativeScrollbars.prototype.setScrollTop = function (pos) {\n if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }\n if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }\n};\n\nNativeScrollbars.prototype.zeroWidthHack = function () {\n var w = mac && !mac_geMountainLion ? "12px" : "18px";\n this.horiz.style.height = this.vert.style.width = w;\n this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";\n this.disableHoriz = new Delayed;\n this.disableVert = new Delayed;\n};\n\nNativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {\n bar.style.pointerEvents = "auto";\n function maybeDisable() {\n // To find out whether the scrollbar is still visible, we\n // check whether the element under the pixel in the bottom\n // right corner of the scrollbar box is the scrollbar box\n // itself (when the bar is still visible) or its filler child\n // (when the bar is hidden). If it is still visible, we keep\n // it enabled, if it\'s hidden, we disable pointer events.\n var box = bar.getBoundingClientRect();\n var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)\n : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);\n if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }\n else { delay.set(1000, maybeDisable); }\n }\n delay.set(1000, maybeDisable);\n};\n\nNativeScrollbars.prototype.clear = function () {\n var parent = this.horiz.parentNode;\n parent.removeChild(this.horiz);\n parent.removeChild(this.vert);\n};\n\nvar NullScrollbars = function () {};\n\nNullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };\nNullScrollbars.prototype.setScrollLeft = function () {};\nNullScrollbars.prototype.setScrollTop = function () {};\nNullScrollbars.prototype.clear = function () {};\n\nfunction updateScrollbars(cm, measure) {\n if (!measure) { measure = measureForScrollbars(cm); }\n var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;\n updateScrollbarsInner(cm, measure);\n for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {\n if (startWidth != cm.display.barWidth && cm.options.lineWrapping)\n { updateHeightsInViewport(cm); }\n updateScrollbarsInner(cm, measureForScrollbars(cm));\n startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;\n }\n}\n\n// Re-synchronize the fake scrollbars with the actual size of the\n// content.\nfunction updateScrollbarsInner(cm, measure) {\n var d = cm.display;\n var sizes = d.scrollbars.update(measure);\n\n d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";\n d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";\n d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";\n\n if (sizes.right && sizes.bottom) {\n d.scrollbarFiller.style.display = "block";\n d.scrollbarFiller.style.height = sizes.bottom + "px";\n d.scrollbarFiller.style.width = sizes.right + "px";\n } else { d.scrollbarFiller.style.display = ""; }\n if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {\n d.gutterFiller.style.display = "block";\n d.gutterFiller.style.height = sizes.bottom + "px";\n d.gutterFiller.style.width = measure.gutterWidth + "px";\n } else { d.gutterFiller.style.display = ""; }\n}\n\nvar scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};\n\nfunction initScrollbars(cm) {\n if (cm.display.scrollbars) {\n cm.display.scrollbars.clear();\n if (cm.display.scrollbars.addClass)\n { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {\n cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);\n // Prevent clicks in the scrollbars from killing focus\n on(node, "mousedown", function () {\n if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }\n });\n node.setAttribute("cm-not-content", "true");\n }, function (pos, axis) {\n if (axis == "horizontal") { setScrollLeft(cm, pos); }\n else { updateScrollTop(cm, pos); }\n }, cm);\n if (cm.display.scrollbars.addClass)\n { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n}\n\n// Operations are used to wrap a series of changes to the editor\n// state in such a way that each change won\'t have to update the\n// cursor and display (which would be awkward, slow, and\n// error-prone). Instead, display updates are batched and then all\n// combined and executed at once.\n\nvar nextOpId = 0;\n// Start a new operation.\nfunction startOperation(cm) {\n cm.curOp = {\n cm: cm,\n viewChanged: false, // Flag that indicates that lines might need to be redrawn\n startHeight: cm.doc.height, // Used to detect need to update scrollbar\n forceUpdate: false, // Used to force a redraw\n updateInput: null, // Whether to reset the input textarea\n typing: false, // Whether this reset should be careful to leave existing text (for compositing)\n changeObjs: null, // Accumulated changes, for firing change events\n cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on\n cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already\n selectionChanged: false, // Whether the selection needs to be redrawn\n updateMaxLine: false, // Set when the widest line needs to be determined anew\n scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet\n scrollToPos: null, // Used to scroll to a specific position\n focus: false,\n id: ++nextOpId // Unique ID\n };\n pushOperation(cm.curOp);\n}\n\n// Finish an operation, updating the display and signalling delayed events\nfunction endOperation(cm) {\n var op = cm.curOp;\n finishOperation(op, function (group) {\n for (var i = 0; i < group.ops.length; i++)\n { group.ops[i].cm.curOp = null; }\n endOperations(group);\n });\n}\n\n// The DOM updates done when an operation finishes are batched so\n// that the minimum number of relayouts are required.\nfunction endOperations(group) {\n var ops = group.ops;\n for (var i = 0; i < ops.length; i++) // Read DOM\n { endOperation_R1(ops[i]); }\n for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)\n { endOperation_W1(ops[i$1]); }\n for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM\n { endOperation_R2(ops[i$2]); }\n for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)\n { endOperation_W2(ops[i$3]); }\n for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM\n { endOperation_finish(ops[i$4]); }\n}\n\nfunction endOperation_R1(op) {\n var cm = op.cm, display = cm.display;\n maybeClipScrollbars(cm);\n if (op.updateMaxLine) { findMaxLine(cm); }\n\n op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||\n op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||\n op.scrollToPos.to.line >= display.viewTo) ||\n display.maxLineChanged && cm.options.lineWrapping;\n op.update = op.mustUpdate &&\n new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);\n}\n\nfunction endOperation_W1(op) {\n op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);\n}\n\nfunction endOperation_R2(op) {\n var cm = op.cm, display = cm.display;\n if (op.updatedDisplay) { updateHeightsInViewport(cm); }\n\n op.barMeasure = measureForScrollbars(cm);\n\n // If the max line changed since it was last measured, measure it,\n // and ensure the document\'s width matches it.\n // updateDisplay_W2 will use these properties to do the actual resizing\n if (display.maxLineChanged && !cm.options.lineWrapping) {\n op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;\n cm.display.sizerWidth = op.adjustWidthTo;\n op.barMeasure.scrollWidth =\n Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);\n op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));\n }\n\n if (op.updatedDisplay || op.selectionChanged)\n { op.preparedSelection = display.input.prepareSelection(); }\n}\n\nfunction endOperation_W2(op) {\n var cm = op.cm;\n\n if (op.adjustWidthTo != null) {\n cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";\n if (op.maxScrollLeft < cm.doc.scrollLeft)\n { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }\n cm.display.maxLineChanged = false;\n }\n\n var takeFocus = op.focus && op.focus == activeElt();\n if (op.preparedSelection)\n { cm.display.input.showSelection(op.preparedSelection, takeFocus); }\n if (op.updatedDisplay || op.startHeight != cm.doc.height)\n { updateScrollbars(cm, op.barMeasure); }\n if (op.updatedDisplay)\n { setDocumentHeight(cm, op.barMeasure); }\n\n if (op.selectionChanged) { restartBlink(cm); }\n\n if (cm.state.focused && op.updateInput)\n { cm.display.input.reset(op.typing); }\n if (takeFocus) { ensureFocus(op.cm); }\n}\n\nfunction endOperation_finish(op) {\n var cm = op.cm, display = cm.display, doc = cm.doc;\n\n if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }\n\n // Abort mouse wheel delta measurement, when scrolling explicitly\n if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))\n { display.wheelStartX = display.wheelStartY = null; }\n\n // Propagate the scroll position to the actual DOM scroller\n if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }\n\n if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }\n // If we need to scroll a specific position into view, do so.\n if (op.scrollToPos) {\n var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),\n clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);\n maybeScrollWindow(cm, rect);\n }\n\n // Fire events for markers that are hidden/unidden by editing or\n // undoing\n var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;\n if (hidden) { for (var i = 0; i < hidden.length; ++i)\n { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }\n if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)\n { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }\n\n if (display.wrapper.offsetHeight)\n { doc.scrollTop = cm.display.scroller.scrollTop; }\n\n // Fire change events, and delayed event handlers\n if (op.changeObjs)\n { signal(cm, "changes", cm, op.changeObjs); }\n if (op.update)\n { op.update.finish(); }\n}\n\n// Run the given function in an operation\nfunction runInOp(cm, f) {\n if (cm.curOp) { return f() }\n startOperation(cm);\n try { return f() }\n finally { endOperation(cm); }\n}\n// Wraps a function in an operation. Returns the wrapped function.\nfunction operation(cm, f) {\n return function() {\n if (cm.curOp) { return f.apply(cm, arguments) }\n startOperation(cm);\n try { return f.apply(cm, arguments) }\n finally { endOperation(cm); }\n }\n}\n// Used to add methods to editor and doc instances, wrapping them in\n// operations.\nfunction methodOp(f) {\n return function() {\n if (this.curOp) { return f.apply(this, arguments) }\n startOperation(this);\n try { return f.apply(this, arguments) }\n finally { endOperation(this); }\n }\n}\nfunction docMethodOp(f) {\n return function() {\n var cm = this.cm;\n if (!cm || cm.curOp) { return f.apply(this, arguments) }\n startOperation(cm);\n try { return f.apply(this, arguments) }\n finally { endOperation(cm); }\n }\n}\n\n// Updates the display.view data structure for a given change to the\n// document. From and to are in pre-change coordinates. Lendiff is\n// the amount of lines added or subtracted by the change. This is\n// used for changes that span multiple lines, or change the way\n// lines are divided into visual lines. regLineChange (below)\n// registers single-line changes.\nfunction regChange(cm, from, to, lendiff) {\n if (from == null) { from = cm.doc.first; }\n if (to == null) { to = cm.doc.first + cm.doc.size; }\n if (!lendiff) { lendiff = 0; }\n\n var display = cm.display;\n if (lendiff && to < display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers > from))\n { display.updateLineNumbers = from; }\n\n cm.curOp.viewChanged = true;\n\n if (from >= display.viewTo) { // Change after\n if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)\n { resetView(cm); }\n } else if (to <= display.viewFrom) { // Change before\n if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {\n resetView(cm);\n } else {\n display.viewFrom += lendiff;\n display.viewTo += lendiff;\n }\n } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap\n resetView(cm);\n } else if (from <= display.viewFrom) { // Top overlap\n var cut = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cut) {\n display.view = display.view.slice(cut.index);\n display.viewFrom = cut.lineN;\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n } else if (to >= display.viewTo) { // Bottom overlap\n var cut$1 = viewCuttingPoint(cm, from, from, -1);\n if (cut$1) {\n display.view = display.view.slice(0, cut$1.index);\n display.viewTo = cut$1.lineN;\n } else {\n resetView(cm);\n }\n } else { // Gap in the middle\n var cutTop = viewCuttingPoint(cm, from, from, -1);\n var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cutTop && cutBot) {\n display.view = display.view.slice(0, cutTop.index)\n .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))\n .concat(display.view.slice(cutBot.index));\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n }\n\n var ext = display.externalMeasured;\n if (ext) {\n if (to < ext.lineN)\n { ext.lineN += lendiff; }\n else if (from < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n }\n}\n\n// Register a change to a single line. Type must be one of "text",\n// "gutter", "class", "widget"\nfunction regLineChange(cm, line, type) {\n cm.curOp.viewChanged = true;\n var display = cm.display, ext = cm.display.externalMeasured;\n if (ext && line >= ext.lineN && line < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n\n if (line < display.viewFrom || line >= display.viewTo) { return }\n var lineView = display.view[findViewIndex(cm, line)];\n if (lineView.node == null) { return }\n var arr = lineView.changes || (lineView.changes = []);\n if (indexOf(arr, type) == -1) { arr.push(type); }\n}\n\n// Clear the view.\nfunction resetView(cm) {\n cm.display.viewFrom = cm.display.viewTo = cm.doc.first;\n cm.display.view = [];\n cm.display.viewOffset = 0;\n}\n\nfunction viewCuttingPoint(cm, oldN, newN, dir) {\n var index = findViewIndex(cm, oldN), diff, view = cm.display.view;\n if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)\n { return {index: index, lineN: newN} }\n var n = cm.display.viewFrom;\n for (var i = 0; i < index; i++)\n { n += view[i].size; }\n if (n != oldN) {\n if (dir > 0) {\n if (index == view.length - 1) { return null }\n diff = (n + view[index].size) - oldN;\n index++;\n } else {\n diff = n - oldN;\n }\n oldN += diff; newN += diff;\n }\n while (visualLineNo(cm.doc, newN) != newN) {\n if (index == (dir < 0 ? 0 : view.length - 1)) { return null }\n newN += dir * view[index - (dir < 0 ? 1 : 0)].size;\n index += dir;\n }\n return {index: index, lineN: newN}\n}\n\n// Force the view to cover a given range, adding empty view element\n// or clipping off existing ones as needed.\nfunction adjustView(cm, from, to) {\n var display = cm.display, view = display.view;\n if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {\n display.view = buildViewArray(cm, from, to);\n display.viewFrom = from;\n } else {\n if (display.viewFrom > from)\n { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }\n else if (display.viewFrom < from)\n { display.view = display.view.slice(findViewIndex(cm, from)); }\n display.viewFrom = from;\n if (display.viewTo < to)\n { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }\n else if (display.viewTo > to)\n { display.view = display.view.slice(0, findViewIndex(cm, to)); }\n }\n display.viewTo = to;\n}\n\n// Count the number of lines in the view whose DOM representation is\n// out of date (or nonexistent).\nfunction countDirtyView(cm) {\n var view = cm.display.view, dirty = 0;\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }\n }\n return dirty\n}\n\n// HIGHLIGHT WORKER\n\nfunction startWorker(cm, time) {\n if (cm.doc.highlightFrontier < cm.display.viewTo)\n { cm.state.highlight.set(time, bind(highlightWorker, cm)); }\n}\n\nfunction highlightWorker(cm) {\n var doc = cm.doc;\n if (doc.highlightFrontier >= cm.display.viewTo) { return }\n var end = +new Date + cm.options.workTime;\n var context = getContextBefore(cm, doc.highlightFrontier);\n var changedLines = [];\n\n doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {\n if (context.line >= cm.display.viewFrom) { // Visible\n var oldStyles = line.styles;\n var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;\n var highlighted = highlightLine(cm, line, context, true);\n if (resetState) { context.state = resetState; }\n line.styles = highlighted.styles;\n var oldCls = line.styleClasses, newCls = highlighted.classes;\n if (newCls) { line.styleClasses = newCls; }\n else if (oldCls) { line.styleClasses = null; }\n var ischange = !oldStyles || oldStyles.length != line.styles.length ||\n oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);\n for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }\n if (ischange) { changedLines.push(context.line); }\n line.stateAfter = context.save();\n context.nextLine();\n } else {\n if (line.text.length <= cm.options.maxHighlightLength)\n { processLine(cm, line.text, context); }\n line.stateAfter = context.line % 5 == 0 ? context.save() : null;\n context.nextLine();\n }\n if (+new Date > end) {\n startWorker(cm, cm.options.workDelay);\n return true\n }\n });\n doc.highlightFrontier = context.line;\n doc.modeFrontier = Math.max(doc.modeFrontier, context.line);\n if (changedLines.length) { runInOp(cm, function () {\n for (var i = 0; i < changedLines.length; i++)\n { regLineChange(cm, changedLines[i], "text"); }\n }); }\n}\n\n// DISPLAY DRAWING\n\nvar DisplayUpdate = function(cm, viewport, force) {\n var display = cm.display;\n\n this.viewport = viewport;\n // Store some values that we\'ll need later (but don\'t want to force a relayout for)\n this.visible = visibleLines(display, cm.doc, viewport);\n this.editorIsHidden = !display.wrapper.offsetWidth;\n this.wrapperHeight = display.wrapper.clientHeight;\n this.wrapperWidth = display.wrapper.clientWidth;\n this.oldDisplayWidth = displayWidth(cm);\n this.force = force;\n this.dims = getDimensions(cm);\n this.events = [];\n};\n\nDisplayUpdate.prototype.signal = function (emitter, type) {\n if (hasHandler(emitter, type))\n { this.events.push(arguments); }\n};\nDisplayUpdate.prototype.finish = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.events.length; i++)\n { signal.apply(null, this$1.events[i]); }\n};\n\nfunction maybeClipScrollbars(cm) {\n var display = cm.display;\n if (!display.scrollbarsClipped && display.scroller.offsetWidth) {\n display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;\n display.heightForcer.style.height = scrollGap(cm) + "px";\n display.sizer.style.marginBottom = -display.nativeBarWidth + "px";\n display.sizer.style.borderRightWidth = scrollGap(cm) + "px";\n display.scrollbarsClipped = true;\n }\n}\n\nfunction selectionSnapshot(cm) {\n if (cm.hasFocus()) { return null }\n var active = activeElt();\n if (!active || !contains(cm.display.lineDiv, active)) { return null }\n var result = {activeElt: active};\n if (window.getSelection) {\n var sel = window.getSelection();\n if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {\n result.anchorNode = sel.anchorNode;\n result.anchorOffset = sel.anchorOffset;\n result.focusNode = sel.focusNode;\n result.focusOffset = sel.focusOffset;\n }\n }\n return result\n}\n\nfunction restoreSelection(snapshot) {\n if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }\n snapshot.activeElt.focus();\n if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {\n var sel = window.getSelection(), range$$1 = document.createRange();\n range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);\n range$$1.collapse(false);\n sel.removeAllRanges();\n sel.addRange(range$$1);\n sel.extend(snapshot.focusNode, snapshot.focusOffset);\n }\n}\n\n// Does the actual updating of the line display. Bails out\n// (returning false) when there is nothing to be done and forced is\n// false.\nfunction updateDisplayIfNeeded(cm, update) {\n var display = cm.display, doc = cm.doc;\n\n if (update.editorIsHidden) {\n resetView(cm);\n return false\n }\n\n // Bail out if the visible area is already rendered and nothing changed.\n if (!update.force &&\n update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&\n display.renderedView == display.view && countDirtyView(cm) == 0)\n { return false }\n\n if (maybeUpdateLineNumberWidth(cm)) {\n resetView(cm);\n update.dims = getDimensions(cm);\n }\n\n // Compute a suitable new viewport (from & to)\n var end = doc.first + doc.size;\n var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);\n var to = Math.min(end, update.visible.to + cm.options.viewportMargin);\n if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }\n if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }\n if (sawCollapsedSpans) {\n from = visualLineNo(cm.doc, from);\n to = visualLineEndNo(cm.doc, to);\n }\n\n var different = from != display.viewFrom || to != display.viewTo ||\n display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;\n adjustView(cm, from, to);\n\n display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));\n // Position the mover div to align with the current scroll position\n cm.display.mover.style.top = display.viewOffset + "px";\n\n var toUpdate = countDirtyView(cm);\n if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))\n { return false }\n\n // For big changes, we hide the enclosing element during the\n // update, since that speeds up the operations on most browsers.\n var selSnapshot = selectionSnapshot(cm);\n if (toUpdate > 4) { display.lineDiv.style.display = "none"; }\n patchDisplay(cm, display.updateLineNumbers, update.dims);\n if (toUpdate > 4) { display.lineDiv.style.display = ""; }\n display.renderedView = display.view;\n // There might have been a widget with a focused element that got\n // hidden or updated, if so re-focus it.\n restoreSelection(selSnapshot);\n\n // Prevent selection and cursors from interfering with the scroll\n // width and height.\n removeChildren(display.cursorDiv);\n removeChildren(display.selectionDiv);\n display.gutters.style.height = display.sizer.style.minHeight = 0;\n\n if (different) {\n display.lastWrapHeight = update.wrapperHeight;\n display.lastWrapWidth = update.wrapperWidth;\n startWorker(cm, 400);\n }\n\n display.updateLineNumbers = null;\n\n return true\n}\n\nfunction postUpdateDisplay(cm, update) {\n var viewport = update.viewport;\n\n for (var first = true;; first = false) {\n if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {\n // Clip forced viewport to actual scrollable area.\n if (viewport && viewport.top != null)\n { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }\n // Updated line heights might result in the drawn area not\n // actually covering the viewport. Keep looping until it does.\n update.visible = visibleLines(cm.display, cm.doc, viewport);\n if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)\n { break }\n }\n if (!updateDisplayIfNeeded(cm, update)) { break }\n updateHeightsInViewport(cm);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.force = false;\n }\n\n update.signal(cm, "update", cm);\n if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {\n update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);\n cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;\n }\n}\n\nfunction updateDisplaySimple(cm, viewport) {\n var update = new DisplayUpdate(cm, viewport);\n if (updateDisplayIfNeeded(cm, update)) {\n updateHeightsInViewport(cm);\n postUpdateDisplay(cm, update);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.finish();\n }\n}\n\n// Sync the actual display DOM structure with display.view, removing\n// nodes for lines that are no longer in view, and creating the ones\n// that are not there yet, and updating the ones that are out of\n// date.\nfunction patchDisplay(cm, updateNumbersFrom, dims) {\n var display = cm.display, lineNumbers = cm.options.lineNumbers;\n var container = display.lineDiv, cur = container.firstChild;\n\n function rm(node) {\n var next = node.nextSibling;\n // Works around a throw-scroll bug in OS X Webkit\n if (webkit && mac && cm.display.currentWheelTarget == node)\n { node.style.display = "none"; }\n else\n { node.parentNode.removeChild(node); }\n return next\n }\n\n var view = display.view, lineN = display.viewFrom;\n // Loop over the elements in the view, syncing cur (the DOM nodes\n // in display.lineDiv) with the view as we go.\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (lineView.hidden) {\n } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet\n var node = buildLineElement(cm, lineView, lineN, dims);\n container.insertBefore(node, cur);\n } else { // Already drawn\n while (cur != lineView.node) { cur = rm(cur); }\n var updateNumber = lineNumbers && updateNumbersFrom != null &&\n updateNumbersFrom <= lineN && lineView.lineNumber;\n if (lineView.changes) {\n if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }\n updateLineForChanges(cm, lineView, lineN, dims);\n }\n if (updateNumber) {\n removeChildren(lineView.lineNumber);\n lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));\n }\n cur = lineView.node.nextSibling;\n }\n lineN += lineView.size;\n }\n while (cur) { cur = rm(cur); }\n}\n\nfunction updateGutterSpace(cm) {\n var width = cm.display.gutters.offsetWidth;\n cm.display.sizer.style.marginLeft = width + "px";\n}\n\nfunction setDocumentHeight(cm, measure) {\n cm.display.sizer.style.minHeight = measure.docHeight + "px";\n cm.display.heightForcer.style.top = measure.docHeight + "px";\n cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";\n}\n\n// Rebuild the gutter elements, ensure the margin to the left of the\n// code matches their width.\nfunction updateGutters(cm) {\n var gutters = cm.display.gutters, specs = cm.options.gutters;\n removeChildren(gutters);\n var i = 0;\n for (; i < specs.length; ++i) {\n var gutterClass = specs[i];\n var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));\n if (gutterClass == "CodeMirror-linenumbers") {\n cm.display.lineGutter = gElt;\n gElt.style.width = (cm.display.lineNumWidth || 1) + "px";\n }\n }\n gutters.style.display = i ? "" : "none";\n updateGutterSpace(cm);\n}\n\n// Make sure the gutters options contains the element\n// "CodeMirror-linenumbers" when the lineNumbers option is true.\nfunction setGuttersForLineNumbers(options) {\n var found = indexOf(options.gutters, "CodeMirror-linenumbers");\n if (found == -1 && options.lineNumbers) {\n options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);\n } else if (found > -1 && !options.lineNumbers) {\n options.gutters = options.gutters.slice(0);\n options.gutters.splice(found, 1);\n }\n}\n\n// Since the delta values reported on mouse wheel events are\n// unstandardized between browsers and even browser versions, and\n// generally horribly unpredictable, this code starts by measuring\n// the scroll effect that the first few mouse wheel events have,\n// and, from that, detects the way it can convert deltas to pixel\n// offsets afterwards.\n//\n// The reason we want to know the amount a wheel event will scroll\n// is that it gives us a chance to update the display before the\n// actual scrolling happens, reducing flickering.\n\nvar wheelSamples = 0;\nvar wheelPixelsPerUnit = null;\n// Fill in a browser-detected starting value on browsers where we\n// know one. These don\'t have to be accurate -- the result of them\n// being wrong would just be a slight flicker on the first wheel\n// scroll (if it is large enough).\nif (ie) { wheelPixelsPerUnit = -.53; }\nelse if (gecko) { wheelPixelsPerUnit = 15; }\nelse if (chrome) { wheelPixelsPerUnit = -.7; }\nelse if (safari) { wheelPixelsPerUnit = -1/3; }\n\nfunction wheelEventDelta(e) {\n var dx = e.wheelDeltaX, dy = e.wheelDeltaY;\n if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }\n if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }\n else if (dy == null) { dy = e.wheelDelta; }\n return {x: dx, y: dy}\n}\nfunction wheelEventPixels(e) {\n var delta = wheelEventDelta(e);\n delta.x *= wheelPixelsPerUnit;\n delta.y *= wheelPixelsPerUnit;\n return delta\n}\n\nfunction onScrollWheel(cm, e) {\n var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;\n\n var display = cm.display, scroll = display.scroller;\n // Quit if there\'s nothing to scroll here\n var canScrollX = scroll.scrollWidth > scroll.clientWidth;\n var canScrollY = scroll.scrollHeight > scroll.clientHeight;\n if (!(dx && canScrollX || dy && canScrollY)) { return }\n\n // Webkit browsers on OS X abort momentum scrolls when the target\n // of the scroll event is removed from the scrollable element.\n // This hack (see related code in patchDisplay) makes sure the\n // element is kept around.\n if (dy && mac && webkit) {\n outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {\n for (var i = 0; i < view.length; i++) {\n if (view[i].node == cur) {\n cm.display.currentWheelTarget = cur;\n break outer\n }\n }\n }\n }\n\n // On some browsers, horizontal scrolling will cause redraws to\n // happen before the gutter has been realigned, causing it to\n // wriggle around in a most unseemly way. When we have an\n // estimated pixels/delta value, we just handle horizontal\n // scrolling entirely here. It\'ll be slightly off from native, but\n // better than glitching out.\n if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {\n if (dy && canScrollY)\n { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }\n setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));\n // Only prevent default scrolling if vertical scrolling is\n // actually possible. Otherwise, it causes vertical scroll\n // jitter on OSX trackpads when deltaX is small and deltaY\n // is large (issue #3579)\n if (!dy || (dy && canScrollY))\n { e_preventDefault(e); }\n display.wheelStartX = null; // Abort measurement, if in progress\n return\n }\n\n // \'Project\' the visible viewport to cover the area that is being\n // scrolled into view (if we know enough to estimate it).\n if (dy && wheelPixelsPerUnit != null) {\n var pixels = dy * wheelPixelsPerUnit;\n var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;\n if (pixels < 0) { top = Math.max(0, top + pixels - 50); }\n else { bot = Math.min(cm.doc.height, bot + pixels + 50); }\n updateDisplaySimple(cm, {top: top, bottom: bot});\n }\n\n if (wheelSamples < 20) {\n if (display.wheelStartX == null) {\n display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;\n display.wheelDX = dx; display.wheelDY = dy;\n setTimeout(function () {\n if (display.wheelStartX == null) { return }\n var movedX = scroll.scrollLeft - display.wheelStartX;\n var movedY = scroll.scrollTop - display.wheelStartY;\n var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||\n (movedX && display.wheelDX && movedX / display.wheelDX);\n display.wheelStartX = display.wheelStartY = null;\n if (!sample) { return }\n wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);\n ++wheelSamples;\n }, 200);\n } else {\n display.wheelDX += dx; display.wheelDY += dy;\n }\n }\n}\n\n// Selection objects are immutable. A new one is created every time\n// the selection changes. A selection is one or more non-overlapping\n// (and non-touching) ranges, sorted, and an integer that indicates\n// which one is the primary selection (the one that\'s scrolled into\n// view, that getCursor returns, etc).\nvar Selection = function(ranges, primIndex) {\n this.ranges = ranges;\n this.primIndex = primIndex;\n};\n\nSelection.prototype.primary = function () { return this.ranges[this.primIndex] };\n\nSelection.prototype.equals = function (other) {\n var this$1 = this;\n\n if (other == this) { return true }\n if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }\n for (var i = 0; i < this.ranges.length; i++) {\n var here = this$1.ranges[i], there = other.ranges[i];\n if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }\n }\n return true\n};\n\nSelection.prototype.deepCopy = function () {\n var this$1 = this;\n\n var out = [];\n for (var i = 0; i < this.ranges.length; i++)\n { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }\n return new Selection(out, this.primIndex)\n};\n\nSelection.prototype.somethingSelected = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.ranges.length; i++)\n { if (!this$1.ranges[i].empty()) { return true } }\n return false\n};\n\nSelection.prototype.contains = function (pos, end) {\n var this$1 = this;\n\n if (!end) { end = pos; }\n for (var i = 0; i < this.ranges.length; i++) {\n var range = this$1.ranges[i];\n if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)\n { return i }\n }\n return -1\n};\n\nvar Range = function(anchor, head) {\n this.anchor = anchor; this.head = head;\n};\n\nRange.prototype.from = function () { return minPos(this.anchor, this.head) };\nRange.prototype.to = function () { return maxPos(this.anchor, this.head) };\nRange.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };\n\n// Take an unsorted, potentially overlapping set of ranges, and\n// build a selection out of it. \'Consumes\' ranges array (modifying\n// it).\nfunction normalizeSelection(ranges, primIndex) {\n var prim = ranges[primIndex];\n ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });\n primIndex = indexOf(ranges, prim);\n for (var i = 1; i < ranges.length; i++) {\n var cur = ranges[i], prev = ranges[i - 1];\n if (cmp(prev.to(), cur.from()) >= 0) {\n var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());\n var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;\n if (i <= primIndex) { --primIndex; }\n ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));\n }\n }\n return new Selection(ranges, primIndex)\n}\n\nfunction simpleSelection(anchor, head) {\n return new Selection([new Range(anchor, head || anchor)], 0)\n}\n\n// Compute the position of the end of a change (its \'to\' property\n// refers to the pre-change end).\nfunction changeEnd(change) {\n if (!change.text) { return change.to }\n return Pos(change.from.line + change.text.length - 1,\n lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))\n}\n\n// Adjust a position to refer to the post-change position of the\n// same text, or the end of the change if the change covers it.\nfunction adjustForChange(pos, change) {\n if (cmp(pos, change.from) < 0) { return pos }\n if (cmp(pos, change.to) <= 0) { return changeEnd(change) }\n\n var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;\n if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }\n return Pos(line, ch)\n}\n\nfunction computeSelAfterChange(doc, change) {\n var out = [];\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n var range = doc.sel.ranges[i];\n out.push(new Range(adjustForChange(range.anchor, change),\n adjustForChange(range.head, change)));\n }\n return normalizeSelection(out, doc.sel.primIndex)\n}\n\nfunction offsetPos(pos, old, nw) {\n if (pos.line == old.line)\n { return Pos(nw.line, pos.ch - old.ch + nw.ch) }\n else\n { return Pos(nw.line + (pos.line - old.line), pos.ch) }\n}\n\n// Used by replaceSelections to allow moving the selection to the\n// start or around the replaced test. Hint may be "start" or "around".\nfunction computeReplacedSel(doc, changes, hint) {\n var out = [];\n var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;\n for (var i = 0; i < changes.length; i++) {\n var change = changes[i];\n var from = offsetPos(change.from, oldPrev, newPrev);\n var to = offsetPos(changeEnd(change), oldPrev, newPrev);\n oldPrev = change.to;\n newPrev = to;\n if (hint == "around") {\n var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;\n out[i] = new Range(inv ? to : from, inv ? from : to);\n } else {\n out[i] = new Range(from, from);\n }\n }\n return new Selection(out, doc.sel.primIndex)\n}\n\n// Used to get the editor into a consistent state again when options change.\n\nfunction loadMode(cm) {\n cm.doc.mode = getMode(cm.options, cm.doc.modeOption);\n resetModeState(cm);\n}\n\nfunction resetModeState(cm) {\n cm.doc.iter(function (line) {\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n });\n cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;\n startWorker(cm, 100);\n cm.state.modeGen++;\n if (cm.curOp) { regChange(cm); }\n}\n\n// DOCUMENT DATA STRUCTURE\n\n// By default, updates that start and end at the beginning of a line\n// are treated specially, in order to make the association of line\n// widgets and marker elements with the text behave more intuitive.\nfunction isWholeLineUpdate(doc, change) {\n return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&\n (!doc.cm || doc.cm.options.wholeLineUpdateBefore)\n}\n\n// Perform a change on the document data structure.\nfunction updateDoc(doc, change, markedSpans, estimateHeight$$1) {\n function spansFor(n) {return markedSpans ? markedSpans[n] : null}\n function update(line, text, spans) {\n updateLine(line, text, spans, estimateHeight$$1);\n signalLater(line, "change", line, change);\n }\n function linesFor(start, end) {\n var result = [];\n for (var i = start; i < end; ++i)\n { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }\n return result\n }\n\n var from = change.from, to = change.to, text = change.text;\n var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);\n var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;\n\n // Adjust the line structure\n if (change.full) {\n doc.insert(0, linesFor(0, text.length));\n doc.remove(text.length, doc.size - text.length);\n } else if (isWholeLineUpdate(doc, change)) {\n // This is a whole-line replace. Treated specially to make\n // sure line objects move the way they are supposed to.\n var added = linesFor(0, text.length - 1);\n update(lastLine, lastLine.text, lastSpans);\n if (nlines) { doc.remove(from.line, nlines); }\n if (added.length) { doc.insert(from.line, added); }\n } else if (firstLine == lastLine) {\n if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);\n } else {\n var added$1 = linesFor(1, text.length - 1);\n added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n doc.insert(from.line + 1, added$1);\n }\n } else if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));\n doc.remove(from.line + 1, nlines);\n } else {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);\n var added$2 = linesFor(1, text.length - 1);\n if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }\n doc.insert(from.line + 1, added$2);\n }\n\n signalLater(doc, "change", doc, change);\n}\n\n// Call f for all linked documents.\nfunction linkedDocs(doc, f, sharedHistOnly) {\n function propagate(doc, skip, sharedHist) {\n if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {\n var rel = doc.linked[i];\n if (rel.doc == skip) { continue }\n var shared = sharedHist && rel.sharedHist;\n if (sharedHistOnly && !shared) { continue }\n f(rel.doc, shared);\n propagate(rel.doc, doc, shared);\n } }\n }\n propagate(doc, null, true);\n}\n\n// Attach a document to an editor.\nfunction attachDoc(cm, doc) {\n if (doc.cm) { throw new Error("This document is already in use.") }\n cm.doc = doc;\n doc.cm = cm;\n estimateLineHeights(cm);\n loadMode(cm);\n setDirectionClass(cm);\n if (!cm.options.lineWrapping) { findMaxLine(cm); }\n cm.options.mode = doc.modeOption;\n regChange(cm);\n}\n\nfunction setDirectionClass(cm) {\n (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");\n}\n\nfunction directionChanged(cm) {\n runInOp(cm, function () {\n setDirectionClass(cm);\n regChange(cm);\n });\n}\n\nfunction History(startGen) {\n // Arrays of change events and selections. Doing something adds an\n // event to done and clears undo. Undoing moves events from done\n // to undone, redoing moves them in the other direction.\n this.done = []; this.undone = [];\n this.undoDepth = Infinity;\n // Used to track when changes can be merged into a single undo\n // event\n this.lastModTime = this.lastSelTime = 0;\n this.lastOp = this.lastSelOp = null;\n this.lastOrigin = this.lastSelOrigin = null;\n // Used by the isClean() method\n this.generation = this.maxGeneration = startGen || 1;\n}\n\n// Create a history change event from an updateDoc-style change\n// object.\nfunction historyChangeFromChange(doc, change) {\n var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};\n attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);\n linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);\n return histChange\n}\n\n// Pop all selection events off the end of a history array. Stop at\n// a change event.\nfunction clearSelectionEvents(array) {\n while (array.length) {\n var last = lst(array);\n if (last.ranges) { array.pop(); }\n else { break }\n }\n}\n\n// Find the top change event in the history. Pop off selection\n// events that are in the way.\nfunction lastChangeEvent(hist, force) {\n if (force) {\n clearSelectionEvents(hist.done);\n return lst(hist.done)\n } else if (hist.done.length && !lst(hist.done).ranges) {\n return lst(hist.done)\n } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {\n hist.done.pop();\n return lst(hist.done)\n }\n}\n\n// Register a change in the history. Merges changes that are within\n// a single operation, or are close together with an origin that\n// allows merging (starting with "+") into a single event.\nfunction addChangeToHistory(doc, change, selAfter, opId) {\n var hist = doc.history;\n hist.undone.length = 0;\n var time = +new Date, cur;\n var last;\n\n if ((hist.lastOp == opId ||\n hist.lastOrigin == change.origin && change.origin &&\n ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||\n change.origin.charAt(0) == "*")) &&\n (cur = lastChangeEvent(hist, hist.lastOp == opId))) {\n // Merge this change into the last event\n last = lst(cur.changes);\n if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {\n // Optimized case for simple insertion -- don\'t want to add\n // new changesets for every character typed\n last.to = changeEnd(change);\n } else {\n // Add new sub-event\n cur.changes.push(historyChangeFromChange(doc, change));\n }\n } else {\n // Can not be merged, start a new event.\n var before = lst(hist.done);\n if (!before || !before.ranges)\n { pushSelectionToHistory(doc.sel, hist.done); }\n cur = {changes: [historyChangeFromChange(doc, change)],\n generation: hist.generation};\n hist.done.push(cur);\n while (hist.done.length > hist.undoDepth) {\n hist.done.shift();\n if (!hist.done[0].ranges) { hist.done.shift(); }\n }\n }\n hist.done.push(selAfter);\n hist.generation = ++hist.maxGeneration;\n hist.lastModTime = hist.lastSelTime = time;\n hist.lastOp = hist.lastSelOp = opId;\n hist.lastOrigin = hist.lastSelOrigin = change.origin;\n\n if (!last) { signal(doc, "historyAdded"); }\n}\n\nfunction selectionEventCanBeMerged(doc, origin, prev, sel) {\n var ch = origin.charAt(0);\n return ch == "*" ||\n ch == "+" &&\n prev.ranges.length == sel.ranges.length &&\n prev.somethingSelected() == sel.somethingSelected() &&\n new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)\n}\n\n// Called whenever the selection changes, sets the new selection as\n// the pending selection in the history, and pushes the old pending\n// selection into the \'done\' array when it was significantly\n// different (in number of selected ranges, emptiness, or time).\nfunction addSelectionToHistory(doc, sel, opId, options) {\n var hist = doc.history, origin = options && options.origin;\n\n // A new event is started when the previous origin does not match\n // the current, or the origins don\'t allow matching. Origins\n // starting with * are always merged, those starting with + are\n // merged when similar and close together in time.\n if (opId == hist.lastSelOp ||\n (origin && hist.lastSelOrigin == origin &&\n (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||\n selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))\n { hist.done[hist.done.length - 1] = sel; }\n else\n { pushSelectionToHistory(sel, hist.done); }\n\n hist.lastSelTime = +new Date;\n hist.lastSelOrigin = origin;\n hist.lastSelOp = opId;\n if (options && options.clearRedo !== false)\n { clearSelectionEvents(hist.undone); }\n}\n\nfunction pushSelectionToHistory(sel, dest) {\n var top = lst(dest);\n if (!(top && top.ranges && top.equals(sel)))\n { dest.push(sel); }\n}\n\n// Used to store marked span information in the history.\nfunction attachLocalSpans(doc, change, from, to) {\n var existing = change["spans_" + doc.id], n = 0;\n doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {\n if (line.markedSpans)\n { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }\n ++n;\n });\n}\n\n// When un/re-doing restores text containing marked spans, those\n// that have been explicitly cleared should not be restored.\nfunction removeClearedSpans(spans) {\n if (!spans) { return null }\n var out;\n for (var i = 0; i < spans.length; ++i) {\n if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }\n else if (out) { out.push(spans[i]); }\n }\n return !out ? spans : out.length ? out : null\n}\n\n// Retrieve and filter the old marked spans stored in a change event.\nfunction getOldSpans(doc, change) {\n var found = change["spans_" + doc.id];\n if (!found) { return null }\n var nw = [];\n for (var i = 0; i < change.text.length; ++i)\n { nw.push(removeClearedSpans(found[i])); }\n return nw\n}\n\n// Used for un/re-doing changes from the history. Combines the\n// result of computing the existing spans with the set of spans that\n// existed in the history (so that deleting around a span and then\n// undoing brings back the span).\nfunction mergeOldSpans(doc, change) {\n var old = getOldSpans(doc, change);\n var stretched = stretchSpansOverChange(doc, change);\n if (!old) { return stretched }\n if (!stretched) { return old }\n\n for (var i = 0; i < old.length; ++i) {\n var oldCur = old[i], stretchCur = stretched[i];\n if (oldCur && stretchCur) {\n spans: for (var j = 0; j < stretchCur.length; ++j) {\n var span = stretchCur[j];\n for (var k = 0; k < oldCur.length; ++k)\n { if (oldCur[k].marker == span.marker) { continue spans } }\n oldCur.push(span);\n }\n } else if (stretchCur) {\n old[i] = stretchCur;\n }\n }\n return old\n}\n\n// Used both to provide a JSON-safe object in .getHistory, and, when\n// detaching a document, to split the history in two\nfunction copyHistoryArray(events, newGroup, instantiateSel) {\n var copy = [];\n for (var i = 0; i < events.length; ++i) {\n var event = events[i];\n if (event.ranges) {\n copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);\n continue\n }\n var changes = event.changes, newChanges = [];\n copy.push({changes: newChanges});\n for (var j = 0; j < changes.length; ++j) {\n var change = changes[j], m = (void 0);\n newChanges.push({from: change.from, to: change.to, text: change.text});\n if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\\d+)$/)) {\n if (indexOf(newGroup, Number(m[1])) > -1) {\n lst(newChanges)[prop] = change[prop];\n delete change[prop];\n }\n } } }\n }\n }\n return copy\n}\n\n// The \'scroll\' parameter given to many of these indicated whether\n// the new cursor position should be scrolled into view after\n// modifying the selection.\n\n// If shift is held or the extend flag is set, extends a range to\n// include a given position (and optionally a second position).\n// Otherwise, simply returns the range between the given positions.\n// Used for cursor motion and such.\nfunction extendRange(range, head, other, extend) {\n if (extend) {\n var anchor = range.anchor;\n if (other) {\n var posBefore = cmp(head, anchor) < 0;\n if (posBefore != (cmp(other, anchor) < 0)) {\n anchor = head;\n head = other;\n } else if (posBefore != (cmp(head, other) < 0)) {\n head = other;\n }\n }\n return new Range(anchor, head)\n } else {\n return new Range(other || head, head)\n }\n}\n\n// Extend the primary selection range, discard the rest.\nfunction extendSelection(doc, head, other, options, extend) {\n if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }\n setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);\n}\n\n// Extend all selections (pos is an array of selections with length\n// equal the number of selections)\nfunction extendSelections(doc, heads, options) {\n var out = [];\n var extend = doc.cm && (doc.cm.display.shift || doc.extend);\n for (var i = 0; i < doc.sel.ranges.length; i++)\n { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }\n var newSel = normalizeSelection(out, doc.sel.primIndex);\n setSelection(doc, newSel, options);\n}\n\n// Updates a single range in the selection.\nfunction replaceOneSelection(doc, i, range, options) {\n var ranges = doc.sel.ranges.slice(0);\n ranges[i] = range;\n setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);\n}\n\n// Reset the selection to a single range.\nfunction setSimpleSelection(doc, anchor, head, options) {\n setSelection(doc, simpleSelection(anchor, head), options);\n}\n\n// Give beforeSelectionChange handlers a change to influence a\n// selection update.\nfunction filterSelectionChange(doc, sel, options) {\n var obj = {\n ranges: sel.ranges,\n update: function(ranges) {\n var this$1 = this;\n\n this.ranges = [];\n for (var i = 0; i < ranges.length; i++)\n { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),\n clipPos(doc, ranges[i].head)); }\n },\n origin: options && options.origin\n };\n signal(doc, "beforeSelectionChange", doc, obj);\n if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }\n if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }\n else { return sel }\n}\n\nfunction setSelectionReplaceHistory(doc, sel, options) {\n var done = doc.history.done, last = lst(done);\n if (last && last.ranges) {\n done[done.length - 1] = sel;\n setSelectionNoUndo(doc, sel, options);\n } else {\n setSelection(doc, sel, options);\n }\n}\n\n// Set a new selection.\nfunction setSelection(doc, sel, options) {\n setSelectionNoUndo(doc, sel, options);\n addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);\n}\n\nfunction setSelectionNoUndo(doc, sel, options) {\n if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))\n { sel = filterSelectionChange(doc, sel, options); }\n\n var bias = options && options.bias ||\n (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);\n setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));\n\n if (!(options && options.scroll === false) && doc.cm)\n { ensureCursorVisible(doc.cm); }\n}\n\nfunction setSelectionInner(doc, sel) {\n if (sel.equals(doc.sel)) { return }\n\n doc.sel = sel;\n\n if (doc.cm) {\n doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;\n signalCursorActivity(doc.cm);\n }\n signalLater(doc, "cursorActivity", doc);\n}\n\n// Verify that the selection does not partially select any atomic\n// marked ranges.\nfunction reCheckSelection(doc) {\n setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));\n}\n\n// Return a selection that does not partially select any atomic\n// ranges.\nfunction skipAtomicInSelection(doc, sel, bias, mayClear) {\n var out;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range = sel.ranges[i];\n var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];\n var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);\n var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);\n if (out || newAnchor != range.anchor || newHead != range.head) {\n if (!out) { out = sel.ranges.slice(0, i); }\n out[i] = new Range(newAnchor, newHead);\n }\n }\n return out ? normalizeSelection(out, sel.primIndex) : sel\n}\n\nfunction skipAtomicInner(doc, pos, oldPos, dir, mayClear) {\n var line = getLine(doc, pos.line);\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var sp = line.markedSpans[i], m = sp.marker;\n if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&\n (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {\n if (mayClear) {\n signal(m, "beforeCursorEnter");\n if (m.explicitlyCleared) {\n if (!line.markedSpans) { break }\n else {--i; continue}\n }\n }\n if (!m.atomic) { continue }\n\n if (oldPos) {\n var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);\n if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)\n { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }\n if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))\n { return skipAtomicInner(doc, near, pos, dir, mayClear) }\n }\n\n var far = m.find(dir < 0 ? -1 : 1);\n if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)\n { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }\n return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null\n }\n } }\n return pos\n}\n\n// Ensure a given position is not inside an atomic range.\nfunction skipAtomic(doc, pos, oldPos, bias, mayClear) {\n var dir = bias || 1;\n var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||\n skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));\n if (!found) {\n doc.cantEdit = true;\n return Pos(doc.first, 0)\n }\n return found\n}\n\nfunction movePos(doc, pos, dir, line) {\n if (dir < 0 && pos.ch == 0) {\n if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }\n else { return null }\n } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {\n if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }\n else { return null }\n } else {\n return new Pos(pos.line, pos.ch + dir)\n }\n}\n\nfunction selectAll(cm) {\n cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);\n}\n\n// UPDATING\n\n// Allow "beforeChange" event handlers to influence a change\nfunction filterChange(doc, change, update) {\n var obj = {\n canceled: false,\n from: change.from,\n to: change.to,\n text: change.text,\n origin: change.origin,\n cancel: function () { return obj.canceled = true; }\n };\n if (update) { obj.update = function (from, to, text, origin) {\n if (from) { obj.from = clipPos(doc, from); }\n if (to) { obj.to = clipPos(doc, to); }\n if (text) { obj.text = text; }\n if (origin !== undefined) { obj.origin = origin; }\n }; }\n signal(doc, "beforeChange", doc, obj);\n if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }\n\n if (obj.canceled) { return null }\n return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}\n}\n\n// Apply a change to a document, and add it to the document\'s\n// history, and propagating it to all linked documents.\nfunction makeChange(doc, change, ignoreReadOnly) {\n if (doc.cm) {\n if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }\n if (doc.cm.state.suppressEdits) { return }\n }\n\n if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {\n change = filterChange(doc, change, true);\n if (!change) { return }\n }\n\n // Possibly split or suppress the update based on the presence\n // of read-only spans in its range.\n var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);\n if (split) {\n for (var i = split.length - 1; i >= 0; --i)\n { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }\n } else {\n makeChangeInner(doc, change);\n }\n}\n\nfunction makeChangeInner(doc, change) {\n if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }\n var selAfter = computeSelAfterChange(doc, change);\n addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);\n\n makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));\n var rebased = [];\n\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));\n });\n}\n\n// Revert a change stored in a document\'s history.\nfunction makeChangeFromHistory(doc, type, allowSelectionOnly) {\n var suppress = doc.cm && doc.cm.state.suppressEdits;\n if (suppress && !allowSelectionOnly) { return }\n\n var hist = doc.history, event, selAfter = doc.sel;\n var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;\n\n // Verify that there is a useable event (so that ctrl-z won\'t\n // needlessly clear selection events)\n var i = 0;\n for (; i < source.length; i++) {\n event = source[i];\n if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)\n { break }\n }\n if (i == source.length) { return }\n hist.lastOrigin = hist.lastSelOrigin = null;\n\n for (;;) {\n event = source.pop();\n if (event.ranges) {\n pushSelectionToHistory(event, dest);\n if (allowSelectionOnly && !event.equals(doc.sel)) {\n setSelection(doc, event, {clearRedo: false});\n return\n }\n selAfter = event;\n } else if (suppress) {\n source.push(event);\n return\n } else { break }\n }\n\n // Build up a reverse change object to add to the opposite history\n // stack (redo when undoing, and vice versa).\n var antiChanges = [];\n pushSelectionToHistory(selAfter, dest);\n dest.push({changes: antiChanges, generation: hist.generation});\n hist.generation = event.generation || ++hist.maxGeneration;\n\n var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");\n\n var loop = function ( i ) {\n var change = event.changes[i];\n change.origin = type;\n if (filter && !filterChange(doc, change, false)) {\n source.length = 0;\n return {}\n }\n\n antiChanges.push(historyChangeFromChange(doc, change));\n\n var after = i ? computeSelAfterChange(doc, change) : lst(source);\n makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));\n if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }\n var rebased = [];\n\n // Propagate to the linked documents\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));\n });\n };\n\n for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {\n var returned = loop( i$1 );\n\n if ( returned ) return returned.v;\n }\n}\n\n// Sub-views need their line numbers shifted when text is added\n// above or below them in the parent document.\nfunction shiftDoc(doc, distance) {\n if (distance == 0) { return }\n doc.first += distance;\n doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(\n Pos(range.anchor.line + distance, range.anchor.ch),\n Pos(range.head.line + distance, range.head.ch)\n ); }), doc.sel.primIndex);\n if (doc.cm) {\n regChange(doc.cm, doc.first, doc.first - distance, distance);\n for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)\n { regLineChange(doc.cm, l, "gutter"); }\n }\n}\n\n// More lower-level change function, handling only a single document\n// (not linked ones).\nfunction makeChangeSingleDoc(doc, change, selAfter, spans) {\n if (doc.cm && !doc.cm.curOp)\n { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }\n\n if (change.to.line < doc.first) {\n shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));\n return\n }\n if (change.from.line > doc.lastLine()) { return }\n\n // Clip the change to the size of this doc\n if (change.from.line < doc.first) {\n var shift = change.text.length - 1 - (doc.first - change.from.line);\n shiftDoc(doc, shift);\n change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),\n text: [lst(change.text)], origin: change.origin};\n }\n var last = doc.lastLine();\n if (change.to.line > last) {\n change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),\n text: [change.text[0]], origin: change.origin};\n }\n\n change.removed = getBetween(doc, change.from, change.to);\n\n if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }\n if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }\n else { updateDoc(doc, change, spans); }\n setSelectionNoUndo(doc, selAfter, sel_dontScroll);\n}\n\n// Handle the interaction of a change to a document with the editor\n// that this document is part of.\nfunction makeChangeSingleDocInEditor(cm, change, spans) {\n var doc = cm.doc, display = cm.display, from = change.from, to = change.to;\n\n var recomputeMaxLength = false, checkWidthStart = from.line;\n if (!cm.options.lineWrapping) {\n checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));\n doc.iter(checkWidthStart, to.line + 1, function (line) {\n if (line == display.maxLine) {\n recomputeMaxLength = true;\n return true\n }\n });\n }\n\n if (doc.sel.contains(change.from, change.to) > -1)\n { signalCursorActivity(cm); }\n\n updateDoc(doc, change, spans, estimateHeight(cm));\n\n if (!cm.options.lineWrapping) {\n doc.iter(checkWidthStart, from.line + change.text.length, function (line) {\n var len = lineLength(line);\n if (len > display.maxLineLength) {\n display.maxLine = line;\n display.maxLineLength = len;\n display.maxLineChanged = true;\n recomputeMaxLength = false;\n }\n });\n if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }\n }\n\n retreatFrontier(doc, from.line);\n startWorker(cm, 400);\n\n var lendiff = change.text.length - (to.line - from.line) - 1;\n // Remember that these lines changed, for updating the display\n if (change.full)\n { regChange(cm); }\n else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))\n { regLineChange(cm, from.line, "text"); }\n else\n { regChange(cm, from.line, to.line + 1, lendiff); }\n\n var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");\n if (changeHandler || changesHandler) {\n var obj = {\n from: from, to: to,\n text: change.text,\n removed: change.removed,\n origin: change.origin\n };\n if (changeHandler) { signalLater(cm, "change", cm, obj); }\n if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }\n }\n cm.display.selForContextMenu = null;\n}\n\nfunction replaceRange(doc, code, from, to, origin) {\n if (!to) { to = from; }\n if (cmp(to, from) < 0) { var assign;\n (assign = [to, from], from = assign[0], to = assign[1], assign); }\n if (typeof code == "string") { code = doc.splitLines(code); }\n makeChange(doc, {from: from, to: to, text: code, origin: origin});\n}\n\n// Rebasing/resetting history to deal with externally-sourced changes\n\nfunction rebaseHistSelSingle(pos, from, to, diff) {\n if (to < pos.line) {\n pos.line += diff;\n } else if (from < pos.line) {\n pos.line = from;\n pos.ch = 0;\n }\n}\n\n// Tries to rebase an array of history events given a change in the\n// document. If the change touches the same lines as the event, the\n// event, and everything \'behind\' it, is discarded. If the change is\n// before the event, the event\'s positions are updated. Uses a\n// copy-on-write scheme for the positions, to avoid having to\n// reallocate them all on every rebase, but also avoid problems with\n// shared position objects being unsafely updated.\nfunction rebaseHistArray(array, from, to, diff) {\n for (var i = 0; i < array.length; ++i) {\n var sub = array[i], ok = true;\n if (sub.ranges) {\n if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }\n for (var j = 0; j < sub.ranges.length; j++) {\n rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);\n rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);\n }\n continue\n }\n for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {\n var cur = sub.changes[j$1];\n if (to < cur.from.line) {\n cur.from = Pos(cur.from.line + diff, cur.from.ch);\n cur.to = Pos(cur.to.line + diff, cur.to.ch);\n } else if (from <= cur.to.line) {\n ok = false;\n break\n }\n }\n if (!ok) {\n array.splice(0, i + 1);\n i = 0;\n }\n }\n}\n\nfunction rebaseHist(hist, change) {\n var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;\n rebaseHistArray(hist.done, from, to, diff);\n rebaseHistArray(hist.undone, from, to, diff);\n}\n\n// Utility for applying a change to a line by handle or number,\n// returning the number and optionally registering the line as\n// changed.\nfunction changeLine(doc, handle, changeType, op) {\n var no = handle, line = handle;\n if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }\n else { no = lineNo(handle); }\n if (no == null) { return null }\n if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }\n return line\n}\n\n// The document is represented as a BTree consisting of leaves, with\n// chunk of lines in them, and branches, with up to ten leaves or\n// other branch nodes below them. The top node is always a branch\n// node, and is the document object itself (meaning it has\n// additional methods and properties).\n//\n// All nodes have parent links. The tree is used both to go from\n// line numbers to line objects, and to go from objects to numbers.\n// It also indexes by height, and is used to convert between height\n// and line object, and to find the total height of the document.\n//\n// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html\n\nfunction LeafChunk(lines) {\n var this$1 = this;\n\n this.lines = lines;\n this.parent = null;\n var height = 0;\n for (var i = 0; i < lines.length; ++i) {\n lines[i].parent = this$1;\n height += lines[i].height;\n }\n this.height = height;\n}\n\nLeafChunk.prototype = {\n chunkSize: function chunkSize() { return this.lines.length },\n\n // Remove the n lines at offset \'at\'.\n removeInner: function removeInner(at, n) {\n var this$1 = this;\n\n for (var i = at, e = at + n; i < e; ++i) {\n var line = this$1.lines[i];\n this$1.height -= line.height;\n cleanUpLine(line);\n signalLater(line, "delete");\n }\n this.lines.splice(at, n);\n },\n\n // Helper used to collapse a small branch into a single leaf.\n collapse: function collapse(lines) {\n lines.push.apply(lines, this.lines);\n },\n\n // Insert the given array of lines at offset \'at\', count them as\n // having the given height.\n insertInner: function insertInner(at, lines, height) {\n var this$1 = this;\n\n this.height += height;\n this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));\n for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }\n },\n\n // Used to iterate over a part of the tree.\n iterN: function iterN(at, n, op) {\n var this$1 = this;\n\n for (var e = at + n; at < e; ++at)\n { if (op(this$1.lines[at])) { return true } }\n }\n};\n\nfunction BranchChunk(children) {\n var this$1 = this;\n\n this.children = children;\n var size = 0, height = 0;\n for (var i = 0; i < children.length; ++i) {\n var ch = children[i];\n size += ch.chunkSize(); height += ch.height;\n ch.parent = this$1;\n }\n this.size = size;\n this.height = height;\n this.parent = null;\n}\n\nBranchChunk.prototype = {\n chunkSize: function chunkSize() { return this.size },\n\n removeInner: function removeInner(at, n) {\n var this$1 = this;\n\n this.size -= n;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var rm = Math.min(n, sz - at), oldHeight = child.height;\n child.removeInner(at, rm);\n this$1.height -= oldHeight - child.height;\n if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }\n if ((n -= rm) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n // If the result is smaller than 25 lines, ensure that it is a\n // single leaf node.\n if (this.size - n < 25 &&\n (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {\n var lines = [];\n this.collapse(lines);\n this.children = [new LeafChunk(lines)];\n this.children[0].parent = this;\n }\n },\n\n collapse: function collapse(lines) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }\n },\n\n insertInner: function insertInner(at, lines, height) {\n var this$1 = this;\n\n this.size += lines.length;\n this.height += height;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at <= sz) {\n child.insertInner(at, lines, height);\n if (child.lines && child.lines.length > 50) {\n // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it\'s never spliced.\n // Instead, small slices are taken. They\'re taken in order because sequential memory accesses are fastest.\n var remaining = child.lines.length % 25 + 25;\n for (var pos = remaining; pos < child.lines.length;) {\n var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));\n child.height -= leaf.height;\n this$1.children.splice(++i, 0, leaf);\n leaf.parent = this$1;\n }\n child.lines = child.lines.slice(0, remaining);\n this$1.maybeSpill();\n }\n break\n }\n at -= sz;\n }\n },\n\n // When a node has grown, check whether it should be split.\n maybeSpill: function maybeSpill() {\n if (this.children.length <= 10) { return }\n var me = this;\n do {\n var spilled = me.children.splice(me.children.length - 5, 5);\n var sibling = new BranchChunk(spilled);\n if (!me.parent) { // Become the parent node\n var copy = new BranchChunk(me.children);\n copy.parent = me;\n me.children = [copy, sibling];\n me = copy;\n } else {\n me.size -= sibling.size;\n me.height -= sibling.height;\n var myIndex = indexOf(me.parent.children, me);\n me.parent.children.splice(myIndex + 1, 0, sibling);\n }\n sibling.parent = me.parent;\n } while (me.children.length > 10)\n me.parent.maybeSpill();\n },\n\n iterN: function iterN(at, n, op) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var used = Math.min(n, sz - at);\n if (child.iterN(at, used, op)) { return true }\n if ((n -= used) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n }\n};\n\n// Line widgets are block elements displayed above or below a line.\n\nvar LineWidget = function(doc, node, options) {\n var this$1 = this;\n\n if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))\n { this$1[opt] = options[opt]; } } }\n this.doc = doc;\n this.node = node;\n};\n\nLineWidget.prototype.clear = function () {\n var this$1 = this;\n\n var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);\n if (no == null || !ws) { return }\n for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }\n if (!ws.length) { line.widgets = null; }\n var height = widgetHeight(this);\n updateLineHeight(line, Math.max(0, line.height - height));\n if (cm) {\n runInOp(cm, function () {\n adjustScrollWhenAboveVisible(cm, line, -height);\n regLineChange(cm, no, "widget");\n });\n signalLater(cm, "lineWidgetCleared", cm, this, no);\n }\n};\n\nLineWidget.prototype.changed = function () {\n var this$1 = this;\n\n var oldH = this.height, cm = this.doc.cm, line = this.line;\n this.height = null;\n var diff = widgetHeight(this) - oldH;\n if (!diff) { return }\n updateLineHeight(line, line.height + diff);\n if (cm) {\n runInOp(cm, function () {\n cm.curOp.forceUpdate = true;\n adjustScrollWhenAboveVisible(cm, line, diff);\n signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));\n });\n }\n};\neventMixin(LineWidget);\n\nfunction adjustScrollWhenAboveVisible(cm, line, diff) {\n if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))\n { addToScrollTop(cm, diff); }\n}\n\nfunction addLineWidget(doc, handle, node, options) {\n var widget = new LineWidget(doc, node, options);\n var cm = doc.cm;\n if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }\n changeLine(doc, handle, "widget", function (line) {\n var widgets = line.widgets || (line.widgets = []);\n if (widget.insertAt == null) { widgets.push(widget); }\n else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }\n widget.line = line;\n if (cm && !lineIsHidden(doc, line)) {\n var aboveVisible = heightAtLine(line) < doc.scrollTop;\n updateLineHeight(line, line.height + widgetHeight(widget));\n if (aboveVisible) { addToScrollTop(cm, widget.height); }\n cm.curOp.forceUpdate = true;\n }\n return true\n });\n if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }\n return widget\n}\n\n// TEXTMARKERS\n\n// Created with markText and setBookmark methods. A TextMarker is a\n// handle that can be used to clear or find a marked position in the\n// document. Line objects hold arrays (markedSpans) containing\n// {from, to, marker} object pointing to such marker objects, and\n// indicating that such a marker is present on that line. Multiple\n// lines may point to the same marker when it spans across lines.\n// The spans will have null for their from/to properties when the\n// marker continues beyond the start/end of the line. Markers have\n// links back to the lines they currently touch.\n\n// Collapsed markers have unique ids, in order to be able to order\n// them, which is needed for uniquely determining an outer marker\n// when they overlap (they may nest, but not partially overlap).\nvar nextMarkerId = 0;\n\nvar TextMarker = function(doc, type) {\n this.lines = [];\n this.type = type;\n this.doc = doc;\n this.id = ++nextMarkerId;\n};\n\n// Clear the marker.\nTextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n var cm = this.doc.cm, withOp = cm && !cm.curOp;\n if (withOp) { startOperation(cm); }\n if (hasHandler(this, "clear")) {\n var found = this.find();\n if (found) { signalLater(this, "clear", found.from, found.to); }\n }\n var min = null, max = null;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }\n else if (cm) {\n if (span.to != null) { max = lineNo(line); }\n if (span.from != null) { min = lineNo(line); }\n }\n line.markedSpans = removeMarkedSpan(line.markedSpans, span);\n if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)\n { updateLineHeight(line, textHeight(cm.display)); }\n }\n if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {\n var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);\n if (len > cm.display.maxLineLength) {\n cm.display.maxLine = visual;\n cm.display.maxLineLength = len;\n cm.display.maxLineChanged = true;\n }\n } }\n\n if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }\n this.lines.length = 0;\n this.explicitlyCleared = true;\n if (this.atomic && this.doc.cantEdit) {\n this.doc.cantEdit = false;\n if (cm) { reCheckSelection(cm.doc); }\n }\n if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }\n if (withOp) { endOperation(cm); }\n if (this.parent) { this.parent.clear(); }\n};\n\n// Find the position of the marker in the document. Returns a {from,\n// to} object by default. Side can be passed to get a specific side\n// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the\n// Pos objects returned contain a line object, rather than a line\n// number (used to prevent looking up the same line twice).\nTextMarker.prototype.find = function (side, lineObj) {\n var this$1 = this;\n\n if (side == null && this.type == "bookmark") { side = 1; }\n var from, to;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (span.from != null) {\n from = Pos(lineObj ? line : lineNo(line), span.from);\n if (side == -1) { return from }\n }\n if (span.to != null) {\n to = Pos(lineObj ? line : lineNo(line), span.to);\n if (side == 1) { return to }\n }\n }\n return from && {from: from, to: to}\n};\n\n// Signals that the marker\'s widget changed, and surrounding layout\n// should be recomputed.\nTextMarker.prototype.changed = function () {\n var this$1 = this;\n\n var pos = this.find(-1, true), widget = this, cm = this.doc.cm;\n if (!pos || !cm) { return }\n runInOp(cm, function () {\n var line = pos.line, lineN = lineNo(pos.line);\n var view = findViewForLine(cm, lineN);\n if (view) {\n clearLineMeasurementCacheFor(view);\n cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;\n }\n cm.curOp.updateMaxLine = true;\n if (!lineIsHidden(widget.doc, line) && widget.height != null) {\n var oldHeight = widget.height;\n widget.height = null;\n var dHeight = widgetHeight(widget) - oldHeight;\n if (dHeight)\n { updateLineHeight(line, line.height + dHeight); }\n }\n signalLater(cm, "markerChanged", cm, this$1);\n });\n};\n\nTextMarker.prototype.attachLine = function (line) {\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;\n if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)\n { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }\n }\n this.lines.push(line);\n};\n\nTextMarker.prototype.detachLine = function (line) {\n this.lines.splice(indexOf(this.lines, line), 1);\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);\n }\n};\neventMixin(TextMarker);\n\n// Create a marker, wire it up to the right lines, and\nfunction markText(doc, from, to, options, type) {\n // Shared markers (across linked documents) are handled separately\n // (markTextShared will call out to this again, once per\n // document).\n if (options && options.shared) { return markTextShared(doc, from, to, options, type) }\n // Ensure we are in an operation.\n if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }\n\n var marker = new TextMarker(doc, type), diff = cmp(from, to);\n if (options) { copyObj(options, marker, false); }\n // Don\'t connect empty markers unless clearWhenEmpty is false\n if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)\n { return marker }\n if (marker.replacedWith) {\n // Showing up as a widget implies collapsed (widget replaces text)\n marker.collapsed = true;\n marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");\n if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }\n if (options.insertLeft) { marker.widgetNode.insertLeft = true; }\n }\n if (marker.collapsed) {\n if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||\n from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))\n { throw new Error("Inserting collapsed marker partially overlapping an existing one") }\n seeCollapsedSpans();\n }\n\n if (marker.addToHistory)\n { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }\n\n var curLine = from.line, cm = doc.cm, updateMaxLine;\n doc.iter(curLine, to.line + 1, function (line) {\n if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)\n { updateMaxLine = true; }\n if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }\n addMarkedSpan(line, new MarkedSpan(marker,\n curLine == from.line ? from.ch : null,\n curLine == to.line ? to.ch : null));\n ++curLine;\n });\n // lineIsHidden depends on the presence of the spans, so needs a second pass\n if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {\n if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }\n }); }\n\n if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }\n\n if (marker.readOnly) {\n seeReadOnlySpans();\n if (doc.history.done.length || doc.history.undone.length)\n { doc.clearHistory(); }\n }\n if (marker.collapsed) {\n marker.id = ++nextMarkerId;\n marker.atomic = true;\n }\n if (cm) {\n // Sync editor state\n if (updateMaxLine) { cm.curOp.updateMaxLine = true; }\n if (marker.collapsed)\n { regChange(cm, from.line, to.line + 1); }\n else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)\n { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }\n if (marker.atomic) { reCheckSelection(cm.doc); }\n signalLater(cm, "markerAdded", cm, marker);\n }\n return marker\n}\n\n// SHARED TEXTMARKERS\n\n// A shared marker spans multiple linked documents. It is\n// implemented as a meta-marker-object controlling multiple normal\n// markers.\nvar SharedTextMarker = function(markers, primary) {\n var this$1 = this;\n\n this.markers = markers;\n this.primary = primary;\n for (var i = 0; i < markers.length; ++i)\n { markers[i].parent = this$1; }\n};\n\nSharedTextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n this.explicitlyCleared = true;\n for (var i = 0; i < this.markers.length; ++i)\n { this$1.markers[i].clear(); }\n signalLater(this, "clear");\n};\n\nSharedTextMarker.prototype.find = function (side, lineObj) {\n return this.primary.find(side, lineObj)\n};\neventMixin(SharedTextMarker);\n\nfunction markTextShared(doc, from, to, options, type) {\n options = copyObj(options);\n options.shared = false;\n var markers = [markText(doc, from, to, options, type)], primary = markers[0];\n var widget = options.widgetNode;\n linkedDocs(doc, function (doc) {\n if (widget) { options.widgetNode = widget.cloneNode(true); }\n markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));\n for (var i = 0; i < doc.linked.length; ++i)\n { if (doc.linked[i].isParent) { return } }\n primary = lst(markers);\n });\n return new SharedTextMarker(markers, primary)\n}\n\nfunction findSharedMarkers(doc) {\n return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })\n}\n\nfunction copySharedMarkers(doc, markers) {\n for (var i = 0; i < markers.length; i++) {\n var marker = markers[i], pos = marker.find();\n var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);\n if (cmp(mFrom, mTo)) {\n var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);\n marker.markers.push(subMark);\n subMark.parent = marker;\n }\n }\n}\n\nfunction detachSharedMarkers(markers) {\n var loop = function ( i ) {\n var marker = markers[i], linked = [marker.primary.doc];\n linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });\n for (var j = 0; j < marker.markers.length; j++) {\n var subMarker = marker.markers[j];\n if (indexOf(linked, subMarker.doc) == -1) {\n subMarker.parent = null;\n marker.markers.splice(j--, 1);\n }\n }\n };\n\n for (var i = 0; i < markers.length; i++) loop( i );\n}\n\nvar nextDocId = 0;\nvar Doc = function(text, mode, firstLine, lineSep, direction) {\n if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }\n if (firstLine == null) { firstLine = 0; }\n\n BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);\n this.first = firstLine;\n this.scrollTop = this.scrollLeft = 0;\n this.cantEdit = false;\n this.cleanGeneration = 1;\n this.modeFrontier = this.highlightFrontier = firstLine;\n var start = Pos(firstLine, 0);\n this.sel = simpleSelection(start);\n this.history = new History(null);\n this.id = ++nextDocId;\n this.modeOption = mode;\n this.lineSep = lineSep;\n this.direction = (direction == "rtl") ? "rtl" : "ltr";\n this.extend = false;\n\n if (typeof text == "string") { text = this.splitLines(text); }\n updateDoc(this, {from: start, to: start, text: text});\n setSelection(this, simpleSelection(start), sel_dontScroll);\n};\n\nDoc.prototype = createObj(BranchChunk.prototype, {\n constructor: Doc,\n // Iterate over the document. Supports two forms -- with only one\n // argument, it calls that for each line in the document. With\n // three, it iterates over the range given by the first two (with\n // the second being non-inclusive).\n iter: function(from, to, op) {\n if (op) { this.iterN(from - this.first, to - from, op); }\n else { this.iterN(this.first, this.first + this.size, from); }\n },\n\n // Non-public interface for adding and removing lines.\n insert: function(at, lines) {\n var height = 0;\n for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }\n this.insertInner(at - this.first, lines, height);\n },\n remove: function(at, n) { this.removeInner(at - this.first, n); },\n\n // From here, the methods are part of the public interface. Most\n // are also available from CodeMirror (editor) instances.\n\n getValue: function(lineSep) {\n var lines = getLines(this, this.first, this.first + this.size);\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n setValue: docMethodOp(function(code) {\n var top = Pos(this.first, 0), last = this.first + this.size - 1;\n makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),\n text: this.splitLines(code), origin: "setValue", full: true}, true);\n if (this.cm) { scrollToCoords(this.cm, 0, 0); }\n setSelection(this, simpleSelection(top), sel_dontScroll);\n }),\n replaceRange: function(code, from, to, origin) {\n from = clipPos(this, from);\n to = to ? clipPos(this, to) : from;\n replaceRange(this, code, from, to, origin);\n },\n getRange: function(from, to, lineSep) {\n var lines = getBetween(this, clipPos(this, from), clipPos(this, to));\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n\n getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},\n\n getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},\n getLineNumber: function(line) {return lineNo(line)},\n\n getLineHandleVisualStart: function(line) {\n if (typeof line == "number") { line = getLine(this, line); }\n return visualLine(line)\n },\n\n lineCount: function() {return this.size},\n firstLine: function() {return this.first},\n lastLine: function() {return this.first + this.size - 1},\n\n clipPos: function(pos) {return clipPos(this, pos)},\n\n getCursor: function(start) {\n var range$$1 = this.sel.primary(), pos;\n if (start == null || start == "head") { pos = range$$1.head; }\n else if (start == "anchor") { pos = range$$1.anchor; }\n else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }\n else { pos = range$$1.from(); }\n return pos\n },\n listSelections: function() { return this.sel.ranges },\n somethingSelected: function() {return this.sel.somethingSelected()},\n\n setCursor: docMethodOp(function(line, ch, options) {\n setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);\n }),\n setSelection: docMethodOp(function(anchor, head, options) {\n setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);\n }),\n extendSelection: docMethodOp(function(head, other, options) {\n extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);\n }),\n extendSelections: docMethodOp(function(heads, options) {\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n extendSelectionsBy: docMethodOp(function(f, options) {\n var heads = map(this.sel.ranges, f);\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n setSelections: docMethodOp(function(ranges, primary, options) {\n var this$1 = this;\n\n if (!ranges.length) { return }\n var out = [];\n for (var i = 0; i < ranges.length; i++)\n { out[i] = new Range(clipPos(this$1, ranges[i].anchor),\n clipPos(this$1, ranges[i].head)); }\n if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }\n setSelection(this, normalizeSelection(out, primary), options);\n }),\n addSelection: docMethodOp(function(anchor, head, options) {\n var ranges = this.sel.ranges.slice(0);\n ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));\n setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);\n }),\n\n getSelection: function(lineSep) {\n var this$1 = this;\n\n var ranges = this.sel.ranges, lines;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n lines = lines ? lines.concat(sel) : sel;\n }\n if (lineSep === false) { return lines }\n else { return lines.join(lineSep || this.lineSeparator()) }\n },\n getSelections: function(lineSep) {\n var this$1 = this;\n\n var parts = [], ranges = this.sel.ranges;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }\n parts[i] = sel;\n }\n return parts\n },\n replaceSelection: function(code, collapse, origin) {\n var dup = [];\n for (var i = 0; i < this.sel.ranges.length; i++)\n { dup[i] = code; }\n this.replaceSelections(dup, collapse, origin || "+input");\n },\n replaceSelections: docMethodOp(function(code, collapse, origin) {\n var this$1 = this;\n\n var changes = [], sel = this.sel;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range$$1 = sel.ranges[i];\n changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};\n }\n var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);\n for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)\n { makeChange(this$1, changes[i$1]); }\n if (newSel) { setSelectionReplaceHistory(this, newSel); }\n else if (this.cm) { ensureCursorVisible(this.cm); }\n }),\n undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),\n redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),\n undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),\n redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),\n\n setExtending: function(val) {this.extend = val;},\n getExtending: function() {return this.extend},\n\n historySize: function() {\n var hist = this.history, done = 0, undone = 0;\n for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }\n for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }\n return {undo: done, redo: undone}\n },\n clearHistory: function() {this.history = new History(this.history.maxGeneration);},\n\n markClean: function() {\n this.cleanGeneration = this.changeGeneration(true);\n },\n changeGeneration: function(forceSplit) {\n if (forceSplit)\n { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }\n return this.history.generation\n },\n isClean: function (gen) {\n return this.history.generation == (gen || this.cleanGeneration)\n },\n\n getHistory: function() {\n return {done: copyHistoryArray(this.history.done),\n undone: copyHistoryArray(this.history.undone)}\n },\n setHistory: function(histData) {\n var hist = this.history = new History(this.history.maxGeneration);\n hist.done = copyHistoryArray(histData.done.slice(0), null, true);\n hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);\n },\n\n setGutterMarker: docMethodOp(function(line, gutterID, value) {\n return changeLine(this, line, "gutter", function (line) {\n var markers = line.gutterMarkers || (line.gutterMarkers = {});\n markers[gutterID] = value;\n if (!value && isEmpty(markers)) { line.gutterMarkers = null; }\n return true\n })\n }),\n\n clearGutter: docMethodOp(function(gutterID) {\n var this$1 = this;\n\n this.iter(function (line) {\n if (line.gutterMarkers && line.gutterMarkers[gutterID]) {\n changeLine(this$1, line, "gutter", function () {\n line.gutterMarkers[gutterID] = null;\n if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }\n return true\n });\n }\n });\n }),\n\n lineInfo: function(line) {\n var n;\n if (typeof line == "number") {\n if (!isLine(this, line)) { return null }\n n = line;\n line = getLine(this, line);\n if (!line) { return null }\n } else {\n n = lineNo(line);\n if (n == null) { return null }\n }\n return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,\n textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,\n widgets: line.widgets}\n },\n\n addLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {\n var prop = where == "text" ? "textClass"\n : where == "background" ? "bgClass"\n : where == "gutter" ? "gutterClass" : "wrapClass";\n if (!line[prop]) { line[prop] = cls; }\n else if (classTest(cls).test(line[prop])) { return false }\n else { line[prop] += " " + cls; }\n return true\n })\n }),\n removeLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {\n var prop = where == "text" ? "textClass"\n : where == "background" ? "bgClass"\n : where == "gutter" ? "gutterClass" : "wrapClass";\n var cur = line[prop];\n if (!cur) { return false }\n else if (cls == null) { line[prop] = null; }\n else {\n var found = cur.match(classTest(cls));\n if (!found) { return false }\n var end = found.index + found[0].length;\n line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;\n }\n return true\n })\n }),\n\n addLineWidget: docMethodOp(function(handle, node, options) {\n return addLineWidget(this, handle, node, options)\n }),\n removeLineWidget: function(widget) { widget.clear(); },\n\n markText: function(from, to, options) {\n return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")\n },\n setBookmark: function(pos, options) {\n var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),\n insertLeft: options && options.insertLeft,\n clearWhenEmpty: false, shared: options && options.shared,\n handleMouseEvents: options && options.handleMouseEvents};\n pos = clipPos(this, pos);\n return markText(this, pos, pos, realOpts, "bookmark")\n },\n findMarksAt: function(pos) {\n pos = clipPos(this, pos);\n var markers = [], spans = getLine(this, pos.line).markedSpans;\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if ((span.from == null || span.from <= pos.ch) &&\n (span.to == null || span.to >= pos.ch))\n { markers.push(span.marker.parent || span.marker); }\n } }\n return markers\n },\n findMarks: function(from, to, filter) {\n from = clipPos(this, from); to = clipPos(this, to);\n var found = [], lineNo$$1 = from.line;\n this.iter(from.line, to.line + 1, function (line) {\n var spans = line.markedSpans;\n if (spans) { for (var i = 0; i < spans.length; i++) {\n var span = spans[i];\n if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||\n span.from == null && lineNo$$1 != from.line ||\n span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&\n (!filter || filter(span.marker)))\n { found.push(span.marker.parent || span.marker); }\n } }\n ++lineNo$$1;\n });\n return found\n },\n getAllMarks: function() {\n var markers = [];\n this.iter(function (line) {\n var sps = line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i)\n { if (sps[i].from != null) { markers.push(sps[i].marker); } } }\n });\n return markers\n },\n\n posFromIndex: function(off) {\n var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;\n this.iter(function (line) {\n var sz = line.text.length + sepSize;\n if (sz > off) { ch = off; return true }\n off -= sz;\n ++lineNo$$1;\n });\n return clipPos(this, Pos(lineNo$$1, ch))\n },\n indexFromPos: function (coords) {\n coords = clipPos(this, coords);\n var index = coords.ch;\n if (coords.line < this.first || coords.ch < 0) { return 0 }\n var sepSize = this.lineSeparator().length;\n this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value\n index += line.text.length + sepSize;\n });\n return index\n },\n\n copy: function(copyHistory) {\n var doc = new Doc(getLines(this, this.first, this.first + this.size),\n this.modeOption, this.first, this.lineSep, this.direction);\n doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;\n doc.sel = this.sel;\n doc.extend = false;\n if (copyHistory) {\n doc.history.undoDepth = this.history.undoDepth;\n doc.setHistory(this.getHistory());\n }\n return doc\n },\n\n linkedDoc: function(options) {\n if (!options) { options = {}; }\n var from = this.first, to = this.first + this.size;\n if (options.from != null && options.from > from) { from = options.from; }\n if (options.to != null && options.to < to) { to = options.to; }\n var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);\n if (options.sharedHist) { copy.history = this.history\n ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});\n copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];\n copySharedMarkers(copy, findSharedMarkers(this));\n return copy\n },\n unlinkDoc: function(other) {\n var this$1 = this;\n\n if (other instanceof CodeMirror$1) { other = other.doc; }\n if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {\n var link = this$1.linked[i];\n if (link.doc != other) { continue }\n this$1.linked.splice(i, 1);\n other.unlinkDoc(this$1);\n detachSharedMarkers(findSharedMarkers(this$1));\n break\n } }\n // If the histories were shared, split them again\n if (other.history == this.history) {\n var splitIds = [other.id];\n linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);\n other.history = new History(null);\n other.history.done = copyHistoryArray(this.history.done, splitIds);\n other.history.undone = copyHistoryArray(this.history.undone, splitIds);\n }\n },\n iterLinkedDocs: function(f) {linkedDocs(this, f);},\n\n getMode: function() {return this.mode},\n getEditor: function() {return this.cm},\n\n splitLines: function(str) {\n if (this.lineSep) { return str.split(this.lineSep) }\n return splitLinesAuto(str)\n },\n lineSeparator: function() { return this.lineSep || "\\n" },\n\n setDirection: docMethodOp(function (dir) {\n if (dir != "rtl") { dir = "ltr"; }\n if (dir == this.direction) { return }\n this.direction = dir;\n this.iter(function (line) { return line.order = null; });\n if (this.cm) { directionChanged(this.cm); }\n })\n});\n\n// Public alias.\nDoc.prototype.eachLine = Doc.prototype.iter;\n\n// Kludge to work around strange IE behavior where it\'ll sometimes\n// re-fire a series of drag-related events right after the drop (#1551)\nvar lastDrop = 0;\n\nfunction onDrop(e) {\n var cm = this;\n clearDragCursor(cm);\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))\n { return }\n e_preventDefault(e);\n if (ie) { lastDrop = +new Date; }\n var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;\n if (!pos || cm.isReadOnly()) { return }\n // Might be a file drop, in which case we simply extract the text\n // and insert it.\n if (files && files.length && window.FileReader && window.File) {\n var n = files.length, text = Array(n), read = 0;\n var loadFile = function (file, i) {\n if (cm.options.allowDropFileTypes &&\n indexOf(cm.options.allowDropFileTypes, file.type) == -1)\n { return }\n\n var reader = new FileReader;\n reader.onload = operation(cm, function () {\n var content = reader.result;\n if (/[\\x00-\\x08\\x0e-\\x1f]{2}/.test(content)) { content = ""; }\n text[i] = content;\n if (++read == n) {\n pos = clipPos(cm.doc, pos);\n var change = {from: pos, to: pos,\n text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),\n origin: "paste"};\n makeChange(cm.doc, change);\n setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));\n }\n });\n reader.readAsText(file);\n };\n for (var i = 0; i < n; ++i) { loadFile(files[i], i); }\n } else { // Normal drop\n // Don\'t do a replace if the drop happened inside of the selected text.\n if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {\n cm.state.draggingText(e);\n // Ensure the editor is re-focused\n setTimeout(function () { return cm.display.input.focus(); }, 20);\n return\n }\n try {\n var text$1 = e.dataTransfer.getData("Text");\n if (text$1) {\n var selected;\n if (cm.state.draggingText && !cm.state.draggingText.copy)\n { selected = cm.listSelections(); }\n setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));\n if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)\n { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }\n cm.replaceSelection(text$1, "around", "paste");\n cm.display.input.focus();\n }\n }\n catch(e){}\n }\n}\n\nfunction onDragStart(cm, e) {\n if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }\n\n e.dataTransfer.setData("Text", cm.getSelection());\n e.dataTransfer.effectAllowed = "copyMove";\n\n // Use dummy image instead of default browsers image.\n // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don\'t do it there.\n if (e.dataTransfer.setDragImage && !safari) {\n var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");\n img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";\n if (presto) {\n img.width = img.height = 1;\n cm.display.wrapper.appendChild(img);\n // Force a relayout, or Opera won\'t use our image for some obscure reason\n img._top = img.offsetTop;\n }\n e.dataTransfer.setDragImage(img, 0, 0);\n if (presto) { img.parentNode.removeChild(img); }\n }\n}\n\nfunction onDragOver(cm, e) {\n var pos = posFromMouse(cm, e);\n if (!pos) { return }\n var frag = document.createDocumentFragment();\n drawSelectionCursor(cm, pos, frag);\n if (!cm.display.dragCursor) {\n cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");\n cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);\n }\n removeChildrenAndAdd(cm.display.dragCursor, frag);\n}\n\nfunction clearDragCursor(cm) {\n if (cm.display.dragCursor) {\n cm.display.lineSpace.removeChild(cm.display.dragCursor);\n cm.display.dragCursor = null;\n }\n}\n\n// These must be handled carefully, because naively registering a\n// handler for each editor will cause the editors to never be\n// garbage collected.\n\nfunction forEachCodeMirror(f) {\n if (!document.getElementsByClassName) { return }\n var byClass = document.getElementsByClassName("CodeMirror");\n for (var i = 0; i < byClass.length; i++) {\n var cm = byClass[i].CodeMirror;\n if (cm) { f(cm); }\n }\n}\n\nvar globalsRegistered = false;\nfunction ensureGlobalHandlers() {\n if (globalsRegistered) { return }\n registerGlobalHandlers();\n globalsRegistered = true;\n}\nfunction registerGlobalHandlers() {\n // When the window resizes, we need to refresh active editors.\n var resizeTimer;\n on(window, "resize", function () {\n if (resizeTimer == null) { resizeTimer = setTimeout(function () {\n resizeTimer = null;\n forEachCodeMirror(onResize);\n }, 100); }\n });\n // When the window loses focus, we want to show the editor as blurred\n on(window, "blur", function () { return forEachCodeMirror(onBlur); });\n}\n// Called when the window resizes\nfunction onResize(cm) {\n var d = cm.display;\n if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)\n { return }\n // Might be a text scaling operation, clear size caches.\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n d.scrollbarsClipped = false;\n cm.setSize();\n}\n\nvar keyNames = {\n 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",\n 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",\n 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",\n 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",\n 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", 145: "ScrollLock",\n 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\\\",\n 221: "]", 222: "\'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",\n 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"\n};\n\n// Number keys\nfor (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }\n// Alphabetic keys\nfor (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }\n// Function keys\nfor (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }\n\nvar keyMap = {};\n\nkeyMap.basic = {\n "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",\n "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",\n "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",\n "Tab": "defaultTab", "Shift-Tab": "indentAuto",\n "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",\n "Esc": "singleSelection"\n};\n// Note that the save and find-related commands aren\'t defined by\n// default. User code or addons can define them. Unknown commands\n// are simply ignored.\nkeyMap.pcDefault = {\n "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",\n "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",\n "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",\n "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",\n "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",\n "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",\n "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",\n fallthrough: "basic"\n};\n// Very basic readline/emacs-style bindings, which are standard on Mac.\nkeyMap.emacsy = {\n "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",\n "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",\n "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",\n "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",\n "Ctrl-O": "openLine"\n};\nkeyMap.macDefault = {\n "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",\n "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",\n "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",\n "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",\n "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",\n "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",\n "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",\n fallthrough: ["basic", "emacsy"]\n};\nkeyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;\n\n// KEYMAP DISPATCH\n\nfunction normalizeKeyName(name) {\n var parts = name.split(/-(?!$)/);\n name = parts[parts.length - 1];\n var alt, ctrl, shift, cmd;\n for (var i = 0; i < parts.length - 1; i++) {\n var mod = parts[i];\n if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }\n else if (/^a(lt)?$/i.test(mod)) { alt = true; }\n else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }\n else if (/^s(hift)?$/i.test(mod)) { shift = true; }\n else { throw new Error("Unrecognized modifier name: " + mod) }\n }\n if (alt) { name = "Alt-" + name; }\n if (ctrl) { name = "Ctrl-" + name; }\n if (cmd) { name = "Cmd-" + name; }\n if (shift) { name = "Shift-" + name; }\n return name\n}\n\n// This is a kludge to keep keymaps mostly working as raw objects\n// (backwards compatibility) while at the same time support features\n// like normalization and multi-stroke key bindings. It compiles a\n// new normalized keymap, and then updates the old object to reflect\n// this.\nfunction normalizeKeyMap(keymap) {\n var copy = {};\n for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {\n var value = keymap[keyname];\n if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }\n if (value == "...") { delete keymap[keyname]; continue }\n\n var keys = map(keyname.split(" "), normalizeKeyName);\n for (var i = 0; i < keys.length; i++) {\n var val = (void 0), name = (void 0);\n if (i == keys.length - 1) {\n name = keys.join(" ");\n val = value;\n } else {\n name = keys.slice(0, i + 1).join(" ");\n val = "...";\n }\n var prev = copy[name];\n if (!prev) { copy[name] = val; }\n else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }\n }\n delete keymap[keyname];\n } }\n for (var prop in copy) { keymap[prop] = copy[prop]; }\n return keymap\n}\n\nfunction lookupKey(key, map$$1, handle, context) {\n map$$1 = getKeyMap(map$$1);\n var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];\n if (found === false) { return "nothing" }\n if (found === "...") { return "multi" }\n if (found != null && handle(found)) { return "handled" }\n\n if (map$$1.fallthrough) {\n if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")\n { return lookupKey(key, map$$1.fallthrough, handle, context) }\n for (var i = 0; i < map$$1.fallthrough.length; i++) {\n var result = lookupKey(key, map$$1.fallthrough[i], handle, context);\n if (result) { return result }\n }\n }\n}\n\n// Modifier key presses don\'t count as \'real\' key presses for the\n// purpose of keymap fallthrough.\nfunction isModifierKey(value) {\n var name = typeof value == "string" ? value : keyNames[value.keyCode];\n return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"\n}\n\nfunction addModifierNames(name, event, noShift) {\n var base = name;\n if (event.altKey && base != "Alt") { name = "Alt-" + name; }\n if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }\n if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }\n if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }\n return name\n}\n\n// Look up the name of a key as indicated by an event object.\nfunction keyName(event, noShift) {\n if (presto && event.keyCode == 34 && event["char"]) { return false }\n var name = keyNames[event.keyCode];\n if (name == null || event.altGraphKey) { return false }\n // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,\n // so we\'ll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)\n if (event.keyCode == 3 && event.code) { name = event.code; }\n return addModifierNames(name, event, noShift)\n}\n\nfunction getKeyMap(val) {\n return typeof val == "string" ? keyMap[val] : val\n}\n\n// Helper for deleting text near the selection(s), used to implement\n// backspace, delete, and similar functionality.\nfunction deleteNearSelection(cm, compute) {\n var ranges = cm.doc.sel.ranges, kill = [];\n // Build up a set of ranges to kill first, merging overlapping\n // ranges.\n for (var i = 0; i < ranges.length; i++) {\n var toKill = compute(ranges[i]);\n while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {\n var replaced = kill.pop();\n if (cmp(replaced.from, toKill.from) < 0) {\n toKill.from = replaced.from;\n break\n }\n }\n kill.push(toKill);\n }\n // Next, remove those actual ranges.\n runInOp(cm, function () {\n for (var i = kill.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }\n ensureCursorVisible(cm);\n });\n}\n\nfunction moveCharLogically(line, ch, dir) {\n var target = skipExtendingChars(line.text, ch + dir, dir);\n return target < 0 || target > line.text.length ? null : target\n}\n\nfunction moveLogically(line, start, dir) {\n var ch = moveCharLogically(line, start.ch, dir);\n return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")\n}\n\nfunction endOfLine(visually, cm, lineObj, lineNo, dir) {\n if (visually) {\n var order = getOrder(lineObj, cm.doc.direction);\n if (order) {\n var part = dir < 0 ? lst(order) : order[0];\n var moveInStorageOrder = (dir < 0) == (part.level == 1);\n var sticky = moveInStorageOrder ? "after" : "before";\n var ch;\n // With a wrapped rtl chunk (possibly spanning multiple bidi parts),\n // it could be that the last bidi part is not on the last visual line,\n // since visual lines contain content order-consecutive chunks.\n // Thus, in rtl, we are looking for the first (content-order) character\n // in the rtl chunk that is on the last line (that is, the same line\n // as the last (content-order) character).\n if (part.level > 0 || cm.doc.direction == "rtl") {\n var prep = prepareMeasureForLine(cm, lineObj);\n ch = dir < 0 ? lineObj.text.length - 1 : 0;\n var targetTop = measureCharPrepared(cm, prep, ch).top;\n ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);\n if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }\n } else { ch = dir < 0 ? part.to : part.from; }\n return new Pos(lineNo, ch, sticky)\n }\n }\n return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")\n}\n\nfunction moveVisually(cm, line, start, dir) {\n var bidi = getOrder(line, cm.doc.direction);\n if (!bidi) { return moveLogically(line, start, dir) }\n if (start.ch >= line.text.length) {\n start.ch = line.text.length;\n start.sticky = "before";\n } else if (start.ch <= 0) {\n start.ch = 0;\n start.sticky = "after";\n }\n var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];\n if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {\n // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,\n // nothing interesting happens.\n return moveLogically(line, start, dir)\n }\n\n var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };\n var prep;\n var getWrappedLineExtent = function (ch) {\n if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }\n prep = prep || prepareMeasureForLine(cm, line);\n return wrappedLineExtentChar(cm, line, prep, ch)\n };\n var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);\n\n if (cm.doc.direction == "rtl" || part.level == 1) {\n var moveInStorageOrder = (part.level == 1) == (dir < 0);\n var ch = mv(start, moveInStorageOrder ? 1 : -1);\n if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {\n // Case 2: We move within an rtl part or in an rtl editor on the same visual line\n var sticky = moveInStorageOrder ? "before" : "after";\n return new Pos(start.line, ch, sticky)\n }\n }\n\n // Case 3: Could not move within this bidi part in this visual line, so leave\n // the current bidi part\n\n var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {\n var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder\n ? new Pos(start.line, mv(ch, 1), "before")\n : new Pos(start.line, ch, "after"); };\n\n for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {\n var part = bidi[partPos];\n var moveInStorageOrder = (dir > 0) == (part.level != 1);\n var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);\n if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }\n ch = moveInStorageOrder ? part.from : mv(part.to, -1);\n if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }\n }\n };\n\n // Case 3a: Look for other bidi parts on the same visual line\n var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);\n if (res) { return res }\n\n // Case 3b: Look for other bidi parts on the next visual line\n var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);\n if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {\n res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));\n if (res) { return res }\n }\n\n // Case 4: Nowhere to move\n return null\n}\n\n// Commands are parameter-less actions that can be performed on an\n// editor, mostly used for keybindings.\nvar commands = {\n selectAll: selectAll,\n singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },\n killLine: function (cm) { return deleteNearSelection(cm, function (range) {\n if (range.empty()) {\n var len = getLine(cm.doc, range.head.line).text.length;\n if (range.head.ch == len && range.head.line < cm.lastLine())\n { return {from: range.head, to: Pos(range.head.line + 1, 0)} }\n else\n { return {from: range.head, to: Pos(range.head.line, len)} }\n } else {\n return {from: range.from(), to: range.to()}\n }\n }); },\n deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0),\n to: clipPos(cm.doc, Pos(range.to().line + 1, 0))\n }); }); },\n delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0), to: range.from()\n }); }); },\n delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, "div").top + 5;\n var leftPos = cm.coordsChar({left: 0, top: top}, "div");\n return {from: leftPos, to: range.from()}\n }); },\n delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, "div").top + 5;\n var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");\n return {from: range.from(), to: rightPos }\n }); },\n undo: function (cm) { return cm.undo(); },\n redo: function (cm) { return cm.redo(); },\n undoSelection: function (cm) { return cm.undoSelection(); },\n redoSelection: function (cm) { return cm.redoSelection(); },\n goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },\n goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },\n goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },\n {origin: "+move", bias: 1}\n ); },\n goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },\n {origin: "+move", bias: 1}\n ); },\n goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },\n {origin: "+move", bias: -1}\n ); },\n goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")\n }, sel_move); },\n goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n return cm.coordsChar({left: 0, top: top}, "div")\n }, sel_move); },\n goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n var pos = cm.coordsChar({left: 0, top: top}, "div");\n if (pos.ch < cm.getLine(pos.line).search(/\\S/)) { return lineStartSmart(cm, range.head) }\n return pos\n }, sel_move); },\n goLineUp: function (cm) { return cm.moveV(-1, "line"); },\n goLineDown: function (cm) { return cm.moveV(1, "line"); },\n goPageUp: function (cm) { return cm.moveV(-1, "page"); },\n goPageDown: function (cm) { return cm.moveV(1, "page"); },\n goCharLeft: function (cm) { return cm.moveH(-1, "char"); },\n goCharRight: function (cm) { return cm.moveH(1, "char"); },\n goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },\n goColumnRight: function (cm) { return cm.moveH(1, "column"); },\n goWordLeft: function (cm) { return cm.moveH(-1, "word"); },\n goGroupRight: function (cm) { return cm.moveH(1, "group"); },\n goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },\n goWordRight: function (cm) { return cm.moveH(1, "word"); },\n delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },\n delCharAfter: function (cm) { return cm.deleteH(1, "char"); },\n delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },\n delWordAfter: function (cm) { return cm.deleteH(1, "word"); },\n delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },\n delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },\n indentAuto: function (cm) { return cm.indentSelection("smart"); },\n indentMore: function (cm) { return cm.indentSelection("add"); },\n indentLess: function (cm) { return cm.indentSelection("subtract"); },\n insertTab: function (cm) { return cm.replaceSelection("\\t"); },\n insertSoftTab: function (cm) {\n var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;\n for (var i = 0; i < ranges.length; i++) {\n var pos = ranges[i].from();\n var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);\n spaces.push(spaceStr(tabSize - col % tabSize));\n }\n cm.replaceSelections(spaces);\n },\n defaultTab: function (cm) {\n if (cm.somethingSelected()) { cm.indentSelection("add"); }\n else { cm.execCommand("insertTab"); }\n },\n // Swap the two chars left and right of each selection\'s head.\n // Move cursor behind the two swapped characters afterwards.\n //\n // Doesn\'t consider line feeds a character.\n // Doesn\'t scan more than one line above to find a character.\n // Doesn\'t do anything on an empty line.\n // Doesn\'t do anything with non-empty selections.\n transposeChars: function (cm) { return runInOp(cm, function () {\n var ranges = cm.listSelections(), newSel = [];\n for (var i = 0; i < ranges.length; i++) {\n if (!ranges[i].empty()) { continue }\n var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;\n if (line) {\n if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }\n if (cur.ch > 0) {\n cur = new Pos(cur.line, cur.ch + 1);\n cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),\n Pos(cur.line, cur.ch - 2), cur, "+transpose");\n } else if (cur.line > cm.doc.first) {\n var prev = getLine(cm.doc, cur.line - 1).text;\n if (prev) {\n cur = new Pos(cur.line, 1);\n cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +\n prev.charAt(prev.length - 1),\n Pos(cur.line - 1, prev.length - 1), cur, "+transpose");\n }\n }\n }\n newSel.push(new Range(cur, cur));\n }\n cm.setSelections(newSel);\n }); },\n newlineAndIndent: function (cm) { return runInOp(cm, function () {\n var sels = cm.listSelections();\n for (var i = sels.length - 1; i >= 0; i--)\n { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }\n sels = cm.listSelections();\n for (var i$1 = 0; i$1 < sels.length; i$1++)\n { cm.indentLine(sels[i$1].from().line, null, true); }\n ensureCursorVisible(cm);\n }); },\n openLine: function (cm) { return cm.replaceSelection("\\n", "start"); },\n toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }\n};\n\n\nfunction lineStart(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLine(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, visual, lineN, 1)\n}\nfunction lineEnd(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLineEnd(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, line, lineN, -1)\n}\nfunction lineStartSmart(cm, pos) {\n var start = lineStart(cm, pos.line);\n var line = getLine(cm.doc, start.line);\n var order = getOrder(line, cm.doc.direction);\n if (!order || order[0].level == 0) {\n var firstNonWS = Math.max(0, line.text.search(/\\S/));\n var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;\n return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)\n }\n return start\n}\n\n// Run a handler that was bound to a key.\nfunction doHandleBinding(cm, bound, dropShift) {\n if (typeof bound == "string") {\n bound = commands[bound];\n if (!bound) { return false }\n }\n // Ensure previous input has been read, so that the handler sees a\n // consistent view of the document\n cm.display.input.ensurePolled();\n var prevShift = cm.display.shift, done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n if (dropShift) { cm.display.shift = false; }\n done = bound(cm) != Pass;\n } finally {\n cm.display.shift = prevShift;\n cm.state.suppressEdits = false;\n }\n return done\n}\n\nfunction lookupKeyForEditor(cm, name, handle) {\n for (var i = 0; i < cm.state.keyMaps.length; i++) {\n var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);\n if (result) { return result }\n }\n return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))\n || lookupKey(name, cm.options.keyMap, handle, cm)\n}\n\n// Note that, despite the name, this function is also used to check\n// for bound mouse clicks.\n\nvar stopSeq = new Delayed;\n\nfunction dispatchKey(cm, name, e, handle) {\n var seq = cm.state.keySeq;\n if (seq) {\n if (isModifierKey(name)) { return "handled" }\n if (/\\\'$/.test(name))\n { cm.state.keySeq = null; }\n else\n { stopSeq.set(50, function () {\n if (cm.state.keySeq == seq) {\n cm.state.keySeq = null;\n cm.display.input.reset();\n }\n }); }\n if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true }\n }\n return dispatchKeyInner(cm, name, e, handle)\n}\n\nfunction dispatchKeyInner(cm, name, e, handle) {\n var result = lookupKeyForEditor(cm, name, handle);\n\n if (result == "multi")\n { cm.state.keySeq = name; }\n if (result == "handled")\n { signalLater(cm, "keyHandled", cm, name, e); }\n\n if (result == "handled" || result == "multi") {\n e_preventDefault(e);\n restartBlink(cm);\n }\n\n return !!result\n}\n\n// Handle a key from the keydown event.\nfunction handleKeyBinding(cm, e) {\n var name = keyName(e, true);\n if (!name) { return false }\n\n if (e.shiftKey && !cm.state.keySeq) {\n // First try to resolve full name (including \'Shift-\'). Failing\n // that, see if there is a cursor-motion command (starting with\n // \'go\') bound to the keyname without \'Shift-\'.\n return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })\n || dispatchKey(cm, name, e, function (b) {\n if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)\n { return doHandleBinding(cm, b) }\n })\n } else {\n return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })\n }\n}\n\n// Handle a key from the keypress event\nfunction handleCharBinding(cm, e, ch) {\n return dispatchKey(cm, "\'" + ch + "\'", e, function (b) { return doHandleBinding(cm, b, true); })\n}\n\nvar lastStoppedKey = null;\nfunction onKeyDown(e) {\n var cm = this;\n cm.curOp.focus = activeElt();\n if (signalDOMEvent(cm, e)) { return }\n // IE does strange things with escape.\n if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }\n var code = e.keyCode;\n cm.display.shift = code == 16 || e.shiftKey;\n var handled = handleKeyBinding(cm, e);\n if (presto) {\n lastStoppedKey = handled ? code : null;\n // Opera has no cut event... we try to at least catch the key combo\n if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))\n { cm.replaceSelection("", null, "cut"); }\n }\n\n // Turn mouse into crosshair when Alt is held on Mac.\n if (code == 18 && !/\\bCodeMirror-crosshair\\b/.test(cm.display.lineDiv.className))\n { showCrossHair(cm); }\n}\n\nfunction showCrossHair(cm) {\n var lineDiv = cm.display.lineDiv;\n addClass(lineDiv, "CodeMirror-crosshair");\n\n function up(e) {\n if (e.keyCode == 18 || !e.altKey) {\n rmClass(lineDiv, "CodeMirror-crosshair");\n off(document, "keyup", up);\n off(document, "mouseover", up);\n }\n }\n on(document, "keyup", up);\n on(document, "mouseover", up);\n}\n\nfunction onKeyUp(e) {\n if (e.keyCode == 16) { this.doc.sel.shift = false; }\n signalDOMEvent(this, e);\n}\n\nfunction onKeyPress(e) {\n var cm = this;\n if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }\n var keyCode = e.keyCode, charCode = e.charCode;\n if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}\n if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }\n var ch = String.fromCharCode(charCode == null ? keyCode : charCode);\n // Some browsers fire keypress events for backspace\n if (ch == "\\x08") { return }\n if (handleCharBinding(cm, e, ch)) { return }\n cm.display.input.onKeyPress(e);\n}\n\nvar DOUBLECLICK_DELAY = 400;\n\nvar PastClick = function(time, pos, button) {\n this.time = time;\n this.pos = pos;\n this.button = button;\n};\n\nPastClick.prototype.compare = function (time, pos, button) {\n return this.time + DOUBLECLICK_DELAY > time &&\n cmp(pos, this.pos) == 0 && button == this.button\n};\n\nvar lastClick;\nvar lastDoubleClick;\nfunction clickRepeat(pos, button) {\n var now = +new Date;\n if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {\n lastClick = lastDoubleClick = null;\n return "triple"\n } else if (lastClick && lastClick.compare(now, pos, button)) {\n lastDoubleClick = new PastClick(now, pos, button);\n lastClick = null;\n return "double"\n } else {\n lastClick = new PastClick(now, pos, button);\n lastDoubleClick = null;\n return "single"\n }\n}\n\n// A mouse down can be a single click, double click, triple click,\n// start of selection drag, start of text drag, new cursor\n// (ctrl-click), rectangle drag (alt-drag), or xwin\n// middle-click-paste. Or it might be a click on something we should\n// not interfere with, such as a scrollbar or widget.\nfunction onMouseDown(e) {\n var cm = this, display = cm.display;\n if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }\n display.input.ensurePolled();\n display.shift = e.shiftKey;\n\n if (eventInWidget(display, e)) {\n if (!webkit) {\n // Briefly turn off draggability, to allow widgets to do\n // normal dragging things.\n display.scroller.draggable = false;\n setTimeout(function () { return display.scroller.draggable = true; }, 100);\n }\n return\n }\n if (clickInGutter(cm, e)) { return }\n var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";\n window.focus();\n\n // #3261: make sure, that we\'re not starting a second selection\n if (button == 1 && cm.state.selectingText)\n { cm.state.selectingText(e); }\n\n if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }\n\n if (button == 1) {\n if (pos) { leftButtonDown(cm, pos, repeat, e); }\n else if (e_target(e) == display.scroller) { e_preventDefault(e); }\n } else if (button == 2) {\n if (pos) { extendSelection(cm.doc, pos); }\n setTimeout(function () { return display.input.focus(); }, 20);\n } else if (button == 3) {\n if (captureRightClick) { onContextMenu(cm, e); }\n else { delayBlurEvent(cm); }\n }\n}\n\nfunction handleMappedButton(cm, button, pos, repeat, event) {\n var name = "Click";\n if (repeat == "double") { name = "Double" + name; }\n else if (repeat == "triple") { name = "Triple" + name; }\n name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;\n\n return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {\n if (typeof bound == "string") { bound = commands[bound]; }\n if (!bound) { return false }\n var done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n done = bound(cm, pos) != Pass;\n } finally {\n cm.state.suppressEdits = false;\n }\n return done\n })\n}\n\nfunction configureMouse(cm, repeat, event) {\n var option = cm.getOption("configureMouse");\n var value = option ? option(cm, repeat, event) : {};\n if (value.unit == null) {\n var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;\n value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";\n }\n if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }\n if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }\n if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }\n return value\n}\n\nfunction leftButtonDown(cm, pos, repeat, event) {\n if (ie) { setTimeout(bind(ensureFocus, cm), 0); }\n else { cm.curOp.focus = activeElt(); }\n\n var behavior = configureMouse(cm, repeat, event);\n\n var sel = cm.doc.sel, contained;\n if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&\n repeat == "single" && (contained = sel.contains(pos)) > -1 &&\n (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&\n (cmp(contained.to(), pos) > 0 || pos.xRel < 0))\n { leftButtonStartDrag(cm, event, pos, behavior); }\n else\n { leftButtonSelect(cm, event, pos, behavior); }\n}\n\n// Start a text drag. When it ends, see if any dragging actually\n// happen, and treat as a click if it didn\'t.\nfunction leftButtonStartDrag(cm, event, pos, behavior) {\n var display = cm.display, moved = false;\n var dragEnd = operation(cm, function (e) {\n if (webkit) { display.scroller.draggable = false; }\n cm.state.draggingText = false;\n off(document, "mouseup", dragEnd);\n off(document, "mousemove", mouseMove);\n off(display.scroller, "dragstart", dragStart);\n off(display.scroller, "drop", dragEnd);\n if (!moved) {\n e_preventDefault(e);\n if (!behavior.addNew)\n { extendSelection(cm.doc, pos, null, null, behavior.extend); }\n // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)\n if (webkit || ie && ie_version == 9)\n { setTimeout(function () {document.body.focus(); display.input.focus();}, 20); }\n else\n { display.input.focus(); }\n }\n });\n var mouseMove = function(e2) {\n moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;\n };\n var dragStart = function () { return moved = true; };\n // Let the drag handler handle this.\n if (webkit) { display.scroller.draggable = true; }\n cm.state.draggingText = dragEnd;\n dragEnd.copy = !behavior.moveOnDrag;\n // IE\'s approach to draggable\n if (display.scroller.dragDrop) { display.scroller.dragDrop(); }\n on(document, "mouseup", dragEnd);\n on(document, "mousemove", mouseMove);\n on(display.scroller, "dragstart", dragStart);\n on(display.scroller, "drop", dragEnd);\n\n delayBlurEvent(cm);\n setTimeout(function () { return display.input.focus(); }, 20);\n}\n\nfunction rangeForUnit(cm, pos, unit) {\n if (unit == "char") { return new Range(pos, pos) }\n if (unit == "word") { return cm.findWordAt(pos) }\n if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }\n var result = unit(cm, pos);\n return new Range(result.from, result.to)\n}\n\n// Normal selection, as opposed to text dragging.\nfunction leftButtonSelect(cm, event, start, behavior) {\n var display = cm.display, doc = cm.doc;\n e_preventDefault(event);\n\n var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;\n if (behavior.addNew && !behavior.extend) {\n ourIndex = doc.sel.contains(start);\n if (ourIndex > -1)\n { ourRange = ranges[ourIndex]; }\n else\n { ourRange = new Range(start, start); }\n } else {\n ourRange = doc.sel.primary();\n ourIndex = doc.sel.primIndex;\n }\n\n if (behavior.unit == "rectangle") {\n if (!behavior.addNew) { ourRange = new Range(start, start); }\n start = posFromMouse(cm, event, true, true);\n ourIndex = -1;\n } else {\n var range$$1 = rangeForUnit(cm, start, behavior.unit);\n if (behavior.extend)\n { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }\n else\n { ourRange = range$$1; }\n }\n\n if (!behavior.addNew) {\n ourIndex = 0;\n setSelection(doc, new Selection([ourRange], 0), sel_mouse);\n startSel = doc.sel;\n } else if (ourIndex == -1) {\n ourIndex = ranges.length;\n setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),\n {scroll: false, origin: "*mouse"});\n } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {\n setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),\n {scroll: false, origin: "*mouse"});\n startSel = doc.sel;\n } else {\n replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);\n }\n\n var lastPos = start;\n function extendTo(pos) {\n if (cmp(lastPos, pos) == 0) { return }\n lastPos = pos;\n\n if (behavior.unit == "rectangle") {\n var ranges = [], tabSize = cm.options.tabSize;\n var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);\n var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);\n var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);\n for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));\n line <= end; line++) {\n var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);\n if (left == right)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }\n else if (text.length > leftPos)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }\n }\n if (!ranges.length) { ranges.push(new Range(start, start)); }\n setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),\n {origin: "*mouse", scroll: false});\n cm.scrollIntoView(pos);\n } else {\n var oldRange = ourRange;\n var range$$1 = rangeForUnit(cm, pos, behavior.unit);\n var anchor = oldRange.anchor, head;\n if (cmp(range$$1.anchor, anchor) > 0) {\n head = range$$1.head;\n anchor = minPos(oldRange.from(), range$$1.anchor);\n } else {\n head = range$$1.anchor;\n anchor = maxPos(oldRange.to(), range$$1.head);\n }\n var ranges$1 = startSel.ranges.slice(0);\n ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));\n setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse);\n }\n }\n\n var editorSize = display.wrapper.getBoundingClientRect();\n // Used to ensure timeout re-tries don\'t fire when another extend\n // happened in the meantime (clearTimeout isn\'t reliable -- at\n // least on Chrome, the timeouts still happen even when cleared,\n // if the clear happens after their scheduled firing time).\n var counter = 0;\n\n function extend(e) {\n var curCount = ++counter;\n var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");\n if (!cur) { return }\n if (cmp(cur, lastPos) != 0) {\n cm.curOp.focus = activeElt();\n extendTo(cur);\n var visible = visibleLines(display, doc);\n if (cur.line >= visible.to || cur.line < visible.from)\n { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }\n } else {\n var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;\n if (outside) { setTimeout(operation(cm, function () {\n if (counter != curCount) { return }\n display.scroller.scrollTop += outside;\n extend(e);\n }), 50); }\n }\n }\n\n function done(e) {\n cm.state.selectingText = false;\n counter = Infinity;\n e_preventDefault(e);\n display.input.focus();\n off(document, "mousemove", move);\n off(document, "mouseup", up);\n doc.history.lastSelOrigin = null;\n }\n\n var move = operation(cm, function (e) {\n if (!e_button(e)) { done(e); }\n else { extend(e); }\n });\n var up = operation(cm, done);\n cm.state.selectingText = up;\n on(document, "mousemove", move);\n on(document, "mouseup", up);\n}\n\n// Used when mouse-selecting to adjust the anchor to the proper side\n// of a bidi jump depending on the visual position of the head.\nfunction bidiSimplify(cm, range$$1) {\n var anchor = range$$1.anchor;\n var head = range$$1.head;\n var anchorLine = getLine(cm.doc, anchor.line);\n if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }\n var order = getOrder(anchorLine);\n if (!order) { return range$$1 }\n var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];\n if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }\n var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);\n if (boundary == 0 || boundary == order.length) { return range$$1 }\n\n // Compute the relative visual position of the head compared to the\n // anchor (<0 is to the left, >0 to the right)\n var leftSide;\n if (head.line != anchor.line) {\n leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;\n } else {\n var headIndex = getBidiPartAt(order, head.ch, head.sticky);\n var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);\n if (headIndex == boundary - 1 || headIndex == boundary)\n { leftSide = dir < 0; }\n else\n { leftSide = dir > 0; }\n }\n\n var usePart = order[boundary + (leftSide ? -1 : 0)];\n var from = leftSide == (usePart.level == 1);\n var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";\n return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)\n}\n\n\n// Determines whether an event happened in the gutter, and fires the\n// handlers for the corresponding event.\nfunction gutterEvent(cm, e, type, prevent) {\n var mX, mY;\n if (e.touches) {\n mX = e.touches[0].clientX;\n mY = e.touches[0].clientY;\n } else {\n try { mX = e.clientX; mY = e.clientY; }\n catch(e) { return false }\n }\n if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }\n if (prevent) { e_preventDefault(e); }\n\n var display = cm.display;\n var lineBox = display.lineDiv.getBoundingClientRect();\n\n if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }\n mY -= lineBox.top - display.viewOffset;\n\n for (var i = 0; i < cm.options.gutters.length; ++i) {\n var g = display.gutters.childNodes[i];\n if (g && g.getBoundingClientRect().right >= mX) {\n var line = lineAtHeight(cm.doc, mY);\n var gutter = cm.options.gutters[i];\n signal(cm, type, cm, line, gutter, e);\n return e_defaultPrevented(e)\n }\n }\n}\n\nfunction clickInGutter(cm, e) {\n return gutterEvent(cm, e, "gutterClick", true)\n}\n\n// CONTEXT MENU HANDLING\n\n// To make the context menu work, we need to briefly unhide the\n// textarea (making it as unobtrusive as possible) to let the\n// right-click take effect on it.\nfunction onContextMenu(cm, e) {\n if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }\n if (signalDOMEvent(cm, e, "contextmenu")) { return }\n cm.display.input.onContextMenu(e);\n}\n\nfunction contextMenuInGutter(cm, e) {\n if (!hasHandler(cm, "gutterContextMenu")) { return false }\n return gutterEvent(cm, e, "gutterContextMenu", false)\n}\n\nfunction themeChanged(cm) {\n cm.display.wrapper.className = cm.display.wrapper.className.replace(/\\s*cm-s-\\S+/g, "") +\n cm.options.theme.replace(/(^|\\s)\\s*/g, " cm-s-");\n clearCaches(cm);\n}\n\nvar Init = {toString: function(){return "CodeMirror.Init"}};\n\nvar defaults = {};\nvar optionHandlers = {};\n\nfunction defineOptions(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n function option(name, deflt, handle, notOnInit) {\n CodeMirror.defaults[name] = deflt;\n if (handle) { optionHandlers[name] =\n notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }\n }\n\n CodeMirror.defineOption = option;\n\n // Passed to option handlers when there is no old value.\n CodeMirror.Init = Init;\n\n // These two are, on init, called from the constructor because they\n // have to be initialized before the editor can start at all.\n option("value", "", function (cm, val) { return cm.setValue(val); }, true);\n option("mode", null, function (cm, val) {\n cm.doc.modeOption = val;\n loadMode(cm);\n }, true);\n\n option("indentUnit", 2, loadMode, true);\n option("indentWithTabs", false);\n option("smartIndent", true);\n option("tabSize", 4, function (cm) {\n resetModeState(cm);\n clearCaches(cm);\n regChange(cm);\n }, true);\n\n option("lineSeparator", null, function (cm, val) {\n cm.doc.lineSep = val;\n if (!val) { return }\n var newBreaks = [], lineNo = cm.doc.first;\n cm.doc.iter(function (line) {\n for (var pos = 0;;) {\n var found = line.text.indexOf(val, pos);\n if (found == -1) { break }\n pos = found + val.length;\n newBreaks.push(Pos(lineNo, found));\n }\n lineNo++;\n });\n for (var i = newBreaks.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }\n });\n option("specialChars", /[\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u061c\\u200b-\\u200f\\u2028\\u2029\\ufeff]/g, function (cm, val, old) {\n cm.state.specialChars = new RegExp(val.source + (val.test("\\t") ? "" : "|\\t"), "g");\n if (old != Init) { cm.refresh(); }\n });\n option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);\n option("electricChars", true);\n option("inputStyle", mobile ? "contenteditable" : "textarea", function () {\n throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME\n }, true);\n option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);\n option("rtlMoveVisually", !windows);\n option("wholeLineUpdateBefore", true);\n\n option("theme", "default", function (cm) {\n themeChanged(cm);\n guttersChanged(cm);\n }, true);\n option("keyMap", "default", function (cm, val, old) {\n var next = getKeyMap(val);\n var prev = old != Init && getKeyMap(old);\n if (prev && prev.detach) { prev.detach(cm, next); }\n if (next.attach) { next.attach(cm, prev || null); }\n });\n option("extraKeys", null);\n option("configureMouse", null);\n\n option("lineWrapping", false, wrappingChanged, true);\n option("gutters", [], function (cm) {\n setGuttersForLineNumbers(cm.options);\n guttersChanged(cm);\n }, true);\n option("fixedGutter", true, function (cm, val) {\n cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";\n cm.refresh();\n }, true);\n option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);\n option("scrollbarStyle", "native", function (cm) {\n initScrollbars(cm);\n updateScrollbars(cm);\n cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);\n cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);\n }, true);\n option("lineNumbers", false, function (cm) {\n setGuttersForLineNumbers(cm.options);\n guttersChanged(cm);\n }, true);\n option("firstLineNumber", 1, guttersChanged, true);\n option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true);\n option("showCursorWhenSelecting", false, updateSelection, true);\n\n option("resetSelectionOnContextMenu", true);\n option("lineWiseCopyCut", true);\n option("pasteLinesPerSelection", true);\n\n option("readOnly", false, function (cm, val) {\n if (val == "nocursor") {\n onBlur(cm);\n cm.display.input.blur();\n }\n cm.display.input.readOnlyChanged(val);\n });\n option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);\n option("dragDrop", true, dragDropChanged);\n option("allowDropFileTypes", null);\n\n option("cursorBlinkRate", 530);\n option("cursorScrollMargin", 0);\n option("cursorHeight", 1, updateSelection, true);\n option("singleCursorHeightPerLine", true, updateSelection, true);\n option("workTime", 100);\n option("workDelay", 100);\n option("flattenSpans", true, resetModeState, true);\n option("addModeClass", false, resetModeState, true);\n option("pollInterval", 100);\n option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });\n option("historyEventDelay", 1250);\n option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);\n option("maxHighlightLength", 10000, resetModeState, true);\n option("moveInputWithCursor", true, function (cm, val) {\n if (!val) { cm.display.input.resetPosition(); }\n });\n\n option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });\n option("autofocus", null);\n option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);\n}\n\nfunction guttersChanged(cm) {\n updateGutters(cm);\n regChange(cm);\n alignHorizontally(cm);\n}\n\nfunction dragDropChanged(cm, value, old) {\n var wasOn = old && old != Init;\n if (!value != !wasOn) {\n var funcs = cm.display.dragFunctions;\n var toggle = value ? on : off;\n toggle(cm.display.scroller, "dragstart", funcs.start);\n toggle(cm.display.scroller, "dragenter", funcs.enter);\n toggle(cm.display.scroller, "dragover", funcs.over);\n toggle(cm.display.scroller, "dragleave", funcs.leave);\n toggle(cm.display.scroller, "drop", funcs.drop);\n }\n}\n\nfunction wrappingChanged(cm) {\n if (cm.options.lineWrapping) {\n addClass(cm.display.wrapper, "CodeMirror-wrap");\n cm.display.sizer.style.minWidth = "";\n cm.display.sizerWidth = null;\n } else {\n rmClass(cm.display.wrapper, "CodeMirror-wrap");\n findMaxLine(cm);\n }\n estimateLineHeights(cm);\n regChange(cm);\n clearCaches(cm);\n setTimeout(function () { return updateScrollbars(cm); }, 100);\n}\n\n// A CodeMirror instance represents an editor. This is the object\n// that user code is usually dealing with.\n\nfunction CodeMirror$1(place, options) {\n var this$1 = this;\n\n if (!(this instanceof CodeMirror$1)) { return new CodeMirror$1(place, options) }\n\n this.options = options = options ? copyObj(options) : {};\n // Determine effective options based on given values and defaults.\n copyObj(defaults, options, false);\n setGuttersForLineNumbers(options);\n\n var doc = options.value;\n if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }\n this.doc = doc;\n\n var input = new CodeMirror$1.inputStyles[options.inputStyle](this);\n var display = this.display = new Display(place, doc, input);\n display.wrapper.CodeMirror = this;\n updateGutters(this);\n themeChanged(this);\n if (options.lineWrapping)\n { this.display.wrapper.className += " CodeMirror-wrap"; }\n initScrollbars(this);\n\n this.state = {\n keyMaps: [], // stores maps added by addKeyMap\n overlays: [], // highlighting overlays, as added by addOverlay\n modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info\n overwrite: false,\n delayingBlurEvent: false,\n focused: false,\n suppressEdits: false, // used to disable editing during key handlers when in readOnly mode\n pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll\n selectingText: false,\n draggingText: false,\n highlight: new Delayed(), // stores highlight worker timeout\n keySeq: null, // Unfinished key sequence\n specialChars: null\n };\n\n if (options.autofocus && !mobile) { display.input.focus(); }\n\n // Override magic textarea content restore that IE sometimes does\n // on our hidden textarea on reload\n if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }\n\n registerEventHandlers(this);\n ensureGlobalHandlers();\n\n startOperation(this);\n this.curOp.forceUpdate = true;\n attachDoc(this, doc);\n\n if ((options.autofocus && !mobile) || this.hasFocus())\n { setTimeout(bind(onFocus, this), 20); }\n else\n { onBlur(this); }\n\n for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))\n { optionHandlers[opt](this$1, options[opt], Init); } }\n maybeUpdateLineNumberWidth(this);\n if (options.finishInit) { options.finishInit(this); }\n for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }\n endOperation(this);\n // Suppress optimizelegibility in Webkit, since it breaks text\n // measuring on line wrapping boundaries.\n if (webkit && options.lineWrapping &&\n getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")\n { display.lineDiv.style.textRendering = "auto"; }\n}\n\n// The default configuration options.\nCodeMirror$1.defaults = defaults;\n// Functions to run when options are changed.\nCodeMirror$1.optionHandlers = optionHandlers;\n\n// Attach the necessary event handlers when initializing the editor\nfunction registerEventHandlers(cm) {\n var d = cm.display;\n on(d.scroller, "mousedown", operation(cm, onMouseDown));\n // Older IE\'s will not fire a second mousedown for a double click\n if (ie && ie_version < 11)\n { on(d.scroller, "dblclick", operation(cm, function (e) {\n if (signalDOMEvent(cm, e)) { return }\n var pos = posFromMouse(cm, e);\n if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }\n e_preventDefault(e);\n var word = cm.findWordAt(pos);\n extendSelection(cm.doc, word.anchor, word.head);\n })); }\n else\n { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }\n // Some browsers fire contextmenu *after* opening the menu, at\n // which point we can\'t mess with it anymore. Context menu is\n // handled in onMouseDown for these browsers.\n if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); }\n\n // Used to suppress mouse event handling when a touch happens\n var touchFinished, prevTouch = {end: 0};\n function finishTouch() {\n if (d.activeTouch) {\n touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);\n prevTouch = d.activeTouch;\n prevTouch.end = +new Date;\n }\n }\n function isMouseLikeTouchEvent(e) {\n if (e.touches.length != 1) { return false }\n var touch = e.touches[0];\n return touch.radiusX <= 1 && touch.radiusY <= 1\n }\n function farAway(touch, other) {\n if (other.left == null) { return true }\n var dx = other.left - touch.left, dy = other.top - touch.top;\n return dx * dx + dy * dy > 20 * 20\n }\n on(d.scroller, "touchstart", function (e) {\n if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {\n d.input.ensurePolled();\n clearTimeout(touchFinished);\n var now = +new Date;\n d.activeTouch = {start: now, moved: false,\n prev: now - prevTouch.end <= 300 ? prevTouch : null};\n if (e.touches.length == 1) {\n d.activeTouch.left = e.touches[0].pageX;\n d.activeTouch.top = e.touches[0].pageY;\n }\n }\n });\n on(d.scroller, "touchmove", function () {\n if (d.activeTouch) { d.activeTouch.moved = true; }\n });\n on(d.scroller, "touchend", function (e) {\n var touch = d.activeTouch;\n if (touch && !eventInWidget(d, e) && touch.left != null &&\n !touch.moved && new Date - touch.start < 300) {\n var pos = cm.coordsChar(d.activeTouch, "page"), range;\n if (!touch.prev || farAway(touch, touch.prev)) // Single tap\n { range = new Range(pos, pos); }\n else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap\n { range = cm.findWordAt(pos); }\n else // Triple tap\n { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }\n cm.setSelection(range.anchor, range.head);\n cm.focus();\n e_preventDefault(e);\n }\n finishTouch();\n });\n on(d.scroller, "touchcancel", finishTouch);\n\n // Sync scrolling between fake scrollbars and real scrollable\n // area, ensure viewport is updated when scrolling.\n on(d.scroller, "scroll", function () {\n if (d.scroller.clientHeight) {\n updateScrollTop(cm, d.scroller.scrollTop);\n setScrollLeft(cm, d.scroller.scrollLeft, true);\n signal(cm, "scroll", cm);\n }\n });\n\n // Listen to wheel events in order to try and update the viewport on time.\n on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });\n on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });\n\n // Prevent wrapper from ever scrolling\n on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });\n\n d.dragFunctions = {\n enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},\n over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},\n start: function (e) { return onDragStart(cm, e); },\n drop: operation(cm, onDrop),\n leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}\n };\n\n var inp = d.input.getField();\n on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });\n on(inp, "keydown", operation(cm, onKeyDown));\n on(inp, "keypress", operation(cm, onKeyPress));\n on(inp, "focus", function (e) { return onFocus(cm, e); });\n on(inp, "blur", function (e) { return onBlur(cm, e); });\n}\n\nvar initHooks = [];\nCodeMirror$1.defineInitHook = function (f) { return initHooks.push(f); };\n\n// Indent the given line. The how parameter can be "smart",\n// "add"/null, "subtract", or "prev". When aggressive is false\n// (typically set to true for forced single-line indents), empty\n// lines are not indented, and places where the mode returns Pass\n// are left alone.\nfunction indentLine(cm, n, how, aggressive) {\n var doc = cm.doc, state;\n if (how == null) { how = "add"; }\n if (how == "smart") {\n // Fall back to "prev" when the mode doesn\'t have an indentation\n // method.\n if (!doc.mode.indent) { how = "prev"; }\n else { state = getContextBefore(cm, n).state; }\n }\n\n var tabSize = cm.options.tabSize;\n var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);\n if (line.stateAfter) { line.stateAfter = null; }\n var curSpaceString = line.text.match(/^\\s*/)[0], indentation;\n if (!aggressive && !/\\S/.test(line.text)) {\n indentation = 0;\n how = "not";\n } else if (how == "smart") {\n indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);\n if (indentation == Pass || indentation > 150) {\n if (!aggressive) { return }\n how = "prev";\n }\n }\n if (how == "prev") {\n if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }\n else { indentation = 0; }\n } else if (how == "add") {\n indentation = curSpace + cm.options.indentUnit;\n } else if (how == "subtract") {\n indentation = curSpace - cm.options.indentUnit;\n } else if (typeof how == "number") {\n indentation = curSpace + how;\n }\n indentation = Math.max(0, indentation);\n\n var indentString = "", pos = 0;\n if (cm.options.indentWithTabs)\n { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\\t";} }\n if (pos < indentation) { indentString += spaceStr(indentation - pos); }\n\n if (indentString != curSpaceString) {\n replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");\n line.stateAfter = null;\n return true\n } else {\n // Ensure that, if the cursor was in the whitespace at the start\n // of the line, it is moved to the end of that space.\n for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {\n var range = doc.sel.ranges[i$1];\n if (range.head.line == n && range.head.ch < curSpaceString.length) {\n var pos$1 = Pos(n, curSpaceString.length);\n replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));\n break\n }\n }\n }\n}\n\n// This will be set to a {lineWise: bool, text: [string]} object, so\n// that, when pasting, we know what kind of selections the copied\n// text was made out of.\nvar lastCopied = null;\n\nfunction setLastCopied(newLastCopied) {\n lastCopied = newLastCopied;\n}\n\nfunction applyTextInput(cm, inserted, deleted, sel, origin) {\n var doc = cm.doc;\n cm.display.shift = false;\n if (!sel) { sel = doc.sel; }\n\n var paste = cm.state.pasteIncoming || origin == "paste";\n var textLines = splitLinesAuto(inserted), multiPaste = null;\n // When pasting N lines into N selections, insert one line per selection\n if (paste && sel.ranges.length > 1) {\n if (lastCopied && lastCopied.text.join("\\n") == inserted) {\n if (sel.ranges.length % lastCopied.text.length == 0) {\n multiPaste = [];\n for (var i = 0; i < lastCopied.text.length; i++)\n { multiPaste.push(doc.splitLines(lastCopied.text[i])); }\n }\n } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {\n multiPaste = map(textLines, function (l) { return [l]; });\n }\n }\n\n var updateInput;\n // Normal behavior is to insert the new text into every selection\n for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {\n var range$$1 = sel.ranges[i$1];\n var from = range$$1.from(), to = range$$1.to();\n if (range$$1.empty()) {\n if (deleted && deleted > 0) // Handle deletion\n { from = Pos(from.line, from.ch - deleted); }\n else if (cm.state.overwrite && !paste) // Handle overwrite\n { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }\n else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\\n") == inserted)\n { from = to = Pos(from.line, 0); }\n }\n updateInput = cm.curOp.updateInput;\n var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,\n origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};\n makeChange(cm.doc, changeEvent);\n signalLater(cm, "inputRead", cm, changeEvent);\n }\n if (inserted && !paste)\n { triggerElectric(cm, inserted); }\n\n ensureCursorVisible(cm);\n cm.curOp.updateInput = updateInput;\n cm.curOp.typing = true;\n cm.state.pasteIncoming = cm.state.cutIncoming = false;\n}\n\nfunction handlePaste(e, cm) {\n var pasted = e.clipboardData && e.clipboardData.getData("Text");\n if (pasted) {\n e.preventDefault();\n if (!cm.isReadOnly() && !cm.options.disableInput)\n { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }\n return true\n }\n}\n\nfunction triggerElectric(cm, inserted) {\n // When an \'electric\' character is inserted, immediately trigger a reindent\n if (!cm.options.electricChars || !cm.options.smartIndent) { return }\n var sel = cm.doc.sel;\n\n for (var i = sel.ranges.length - 1; i >= 0; i--) {\n var range$$1 = sel.ranges[i];\n if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }\n var mode = cm.getModeAt(range$$1.head);\n var indented = false;\n if (mode.electricChars) {\n for (var j = 0; j < mode.electricChars.length; j++)\n { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {\n indented = indentLine(cm, range$$1.head.line, "smart");\n break\n } }\n } else if (mode.electricInput) {\n if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))\n { indented = indentLine(cm, range$$1.head.line, "smart"); }\n }\n if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }\n }\n}\n\nfunction copyableRanges(cm) {\n var text = [], ranges = [];\n for (var i = 0; i < cm.doc.sel.ranges.length; i++) {\n var line = cm.doc.sel.ranges[i].head.line;\n var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};\n ranges.push(lineRange);\n text.push(cm.getRange(lineRange.anchor, lineRange.head));\n }\n return {text: text, ranges: ranges}\n}\n\nfunction disableBrowserMagic(field, spellcheck) {\n field.setAttribute("autocorrect", "off");\n field.setAttribute("autocapitalize", "off");\n field.setAttribute("spellcheck", !!spellcheck);\n}\n\nfunction hiddenTextarea() {\n var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");\n var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");\n // The textarea is kept positioned near the cursor to prevent the\n // fact that it\'ll be scrolled into view on input from scrolling\n // our fake cursor out of view. On webkit, when wrap=off, paste is\n // very slow. So make the area wide instead.\n if (webkit) { te.style.width = "1000px"; }\n else { te.setAttribute("wrap", "off"); }\n // If border: 0; -- iOS fails to open keyboard (issue #1287)\n if (ios) { te.style.border = "1px solid black"; }\n disableBrowserMagic(te);\n return div\n}\n\n// The publicly visible API. Note that methodOp(f) means\n// \'wrap f in an operation, performed on its `this` parameter\'.\n\n// This is not the complete set of editor methods. Most of the\n// methods defined on the Doc type are also injected into\n// CodeMirror.prototype, for backwards compatibility and\n// convenience.\n\nvar addEditorMethods = function(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n var helpers = CodeMirror.helpers = {};\n\n CodeMirror.prototype = {\n constructor: CodeMirror,\n focus: function(){window.focus(); this.display.input.focus();},\n\n setOption: function(option, value) {\n var options = this.options, old = options[option];\n if (options[option] == value && option != "mode") { return }\n options[option] = value;\n if (optionHandlers.hasOwnProperty(option))\n { operation(this, optionHandlers[option])(this, value, old); }\n signal(this, "optionChange", this, option);\n },\n\n getOption: function(option) {return this.options[option]},\n getDoc: function() {return this.doc},\n\n addKeyMap: function(map$$1, bottom) {\n this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));\n },\n removeKeyMap: function(map$$1) {\n var maps = this.state.keyMaps;\n for (var i = 0; i < maps.length; ++i)\n { if (maps[i] == map$$1 || maps[i].name == map$$1) {\n maps.splice(i, 1);\n return true\n } }\n },\n\n addOverlay: methodOp(function(spec, options) {\n var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);\n if (mode.startState) { throw new Error("Overlays may not be stateful.") }\n insertSorted(this.state.overlays,\n {mode: mode, modeSpec: spec, opaque: options && options.opaque,\n priority: (options && options.priority) || 0},\n function (overlay) { return overlay.priority; });\n this.state.modeGen++;\n regChange(this);\n }),\n removeOverlay: methodOp(function(spec) {\n var this$1 = this;\n\n var overlays = this.state.overlays;\n for (var i = 0; i < overlays.length; ++i) {\n var cur = overlays[i].modeSpec;\n if (cur == spec || typeof spec == "string" && cur.name == spec) {\n overlays.splice(i, 1);\n this$1.state.modeGen++;\n regChange(this$1);\n return\n }\n }\n }),\n\n indentLine: methodOp(function(n, dir, aggressive) {\n if (typeof dir != "string" && typeof dir != "number") {\n if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }\n else { dir = dir ? "add" : "subtract"; }\n }\n if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }\n }),\n indentSelection: methodOp(function(how) {\n var this$1 = this;\n\n var ranges = this.doc.sel.ranges, end = -1;\n for (var i = 0; i < ranges.length; i++) {\n var range$$1 = ranges[i];\n if (!range$$1.empty()) {\n var from = range$$1.from(), to = range$$1.to();\n var start = Math.max(end, from.line);\n end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;\n for (var j = start; j < end; ++j)\n { indentLine(this$1, j, how); }\n var newRanges = this$1.doc.sel.ranges;\n if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)\n { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }\n } else if (range$$1.head.line > end) {\n indentLine(this$1, range$$1.head.line, how, true);\n end = range$$1.head.line;\n if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }\n }\n }\n }),\n\n // Fetch the parser token for a given character. Useful for hacks\n // that want to inspect the mode state (say, for completion).\n getTokenAt: function(pos, precise) {\n return takeToken(this, pos, precise)\n },\n\n getLineTokens: function(line, precise) {\n return takeToken(this, Pos(line), precise, true)\n },\n\n getTokenTypeAt: function(pos) {\n pos = clipPos(this.doc, pos);\n var styles = getLineStyles(this, getLine(this.doc, pos.line));\n var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;\n var type;\n if (ch == 0) { type = styles[2]; }\n else { for (;;) {\n var mid = (before + after) >> 1;\n if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }\n else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }\n else { type = styles[mid * 2 + 2]; break }\n } }\n var cut = type ? type.indexOf("overlay ") : -1;\n return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)\n },\n\n getModeAt: function(pos) {\n var mode = this.doc.mode;\n if (!mode.innerMode) { return mode }\n return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode\n },\n\n getHelper: function(pos, type) {\n return this.getHelpers(pos, type)[0]\n },\n\n getHelpers: function(pos, type) {\n var this$1 = this;\n\n var found = [];\n if (!helpers.hasOwnProperty(type)) { return found }\n var help = helpers[type], mode = this.getModeAt(pos);\n if (typeof mode[type] == "string") {\n if (help[mode[type]]) { found.push(help[mode[type]]); }\n } else if (mode[type]) {\n for (var i = 0; i < mode[type].length; i++) {\n var val = help[mode[type][i]];\n if (val) { found.push(val); }\n }\n } else if (mode.helperType && help[mode.helperType]) {\n found.push(help[mode.helperType]);\n } else if (help[mode.name]) {\n found.push(help[mode.name]);\n }\n for (var i$1 = 0; i$1 < help._global.length; i$1++) {\n var cur = help._global[i$1];\n if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)\n { found.push(cur.val); }\n }\n return found\n },\n\n getStateAfter: function(line, precise) {\n var doc = this.doc;\n line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);\n return getContextBefore(this, line + 1, precise).state\n },\n\n cursorCoords: function(start, mode) {\n var pos, range$$1 = this.doc.sel.primary();\n if (start == null) { pos = range$$1.head; }\n else if (typeof start == "object") { pos = clipPos(this.doc, start); }\n else { pos = start ? range$$1.from() : range$$1.to(); }\n return cursorCoords(this, pos, mode || "page")\n },\n\n charCoords: function(pos, mode) {\n return charCoords(this, clipPos(this.doc, pos), mode || "page")\n },\n\n coordsChar: function(coords, mode) {\n coords = fromCoordSystem(this, coords, mode || "page");\n return coordsChar(this, coords.left, coords.top)\n },\n\n lineAtHeight: function(height, mode) {\n height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;\n return lineAtHeight(this.doc, height + this.display.viewOffset)\n },\n heightAtLine: function(line, mode, includeWidgets) {\n var end = false, lineObj;\n if (typeof line == "number") {\n var last = this.doc.first + this.doc.size - 1;\n if (line < this.doc.first) { line = this.doc.first; }\n else if (line > last) { line = last; end = true; }\n lineObj = getLine(this.doc, line);\n } else {\n lineObj = line;\n }\n return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +\n (end ? this.doc.height - heightAtLine(lineObj) : 0)\n },\n\n defaultTextHeight: function() { return textHeight(this.display) },\n defaultCharWidth: function() { return charWidth(this.display) },\n\n getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},\n\n addWidget: function(pos, node, scroll, vert, horiz) {\n var display = this.display;\n pos = cursorCoords(this, clipPos(this.doc, pos));\n var top = pos.bottom, left = pos.left;\n node.style.position = "absolute";\n node.setAttribute("cm-ignore-events", "true");\n this.display.input.setUneditable(node);\n display.sizer.appendChild(node);\n if (vert == "over") {\n top = pos.top;\n } else if (vert == "above" || vert == "near") {\n var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),\n hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);\n // Default to positioning above (if specified and possible); otherwise default to positioning below\n if ((vert == \'above\' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)\n { top = pos.top - node.offsetHeight; }\n else if (pos.bottom + node.offsetHeight <= vspace)\n { top = pos.bottom; }\n if (left + node.offsetWidth > hspace)\n { left = hspace - node.offsetWidth; }\n }\n node.style.top = top + "px";\n node.style.left = node.style.right = "";\n if (horiz == "right") {\n left = display.sizer.clientWidth - node.offsetWidth;\n node.style.right = "0px";\n } else {\n if (horiz == "left") { left = 0; }\n else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }\n node.style.left = left + "px";\n }\n if (scroll)\n { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }\n },\n\n triggerOnKeyDown: methodOp(onKeyDown),\n triggerOnKeyPress: methodOp(onKeyPress),\n triggerOnKeyUp: onKeyUp,\n triggerOnMouseDown: methodOp(onMouseDown),\n\n execCommand: function(cmd) {\n if (commands.hasOwnProperty(cmd))\n { return commands[cmd].call(null, this) }\n },\n\n triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),\n\n findPosH: function(from, amount, unit, visually) {\n var this$1 = this;\n\n var dir = 1;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n cur = findPosH(this$1.doc, cur, dir, unit, visually);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveH: methodOp(function(dir, unit) {\n var this$1 = this;\n\n this.extendSelectionsBy(function (range$$1) {\n if (this$1.display.shift || this$1.doc.extend || range$$1.empty())\n { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }\n else\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n }, sel_move);\n }),\n\n deleteH: methodOp(function(dir, unit) {\n var sel = this.doc.sel, doc = this.doc;\n if (sel.somethingSelected())\n { doc.replaceSelection("", null, "+delete"); }\n else\n { deleteNearSelection(this, function (range$$1) {\n var other = findPosH(doc, range$$1.head, dir, unit, false);\n return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}\n }); }\n }),\n\n findPosV: function(from, amount, unit, goalColumn) {\n var this$1 = this;\n\n var dir = 1, x = goalColumn;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n var coords = cursorCoords(this$1, cur, "div");\n if (x == null) { x = coords.left; }\n else { coords.left = x; }\n cur = findPosV(this$1, coords, dir, unit);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveV: methodOp(function(dir, unit) {\n var this$1 = this;\n\n var doc = this.doc, goals = [];\n var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();\n doc.extendSelectionsBy(function (range$$1) {\n if (collapse)\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n var headPos = cursorCoords(this$1, range$$1.head, "div");\n if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }\n goals.push(headPos.left);\n var pos = findPosV(this$1, headPos, dir, unit);\n if (unit == "page" && range$$1 == doc.sel.primary())\n { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }\n return pos\n }, sel_move);\n if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)\n { doc.sel.ranges[i].goalColumn = goals[i]; } }\n }),\n\n // Find the word at the given position (as returned by coordsChar).\n findWordAt: function(pos) {\n var doc = this.doc, line = getLine(doc, pos.line).text;\n var start = pos.ch, end = pos.ch;\n if (line) {\n var helper = this.getHelper(pos, "wordChars");\n if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }\n var startChar = line.charAt(start);\n var check = isWordChar(startChar, helper)\n ? function (ch) { return isWordChar(ch, helper); }\n : /\\s/.test(startChar) ? function (ch) { return /\\s/.test(ch); }\n : function (ch) { return (!/\\s/.test(ch) && !isWordChar(ch)); };\n while (start > 0 && check(line.charAt(start - 1))) { --start; }\n while (end < line.length && check(line.charAt(end))) { ++end; }\n }\n return new Range(Pos(pos.line, start), Pos(pos.line, end))\n },\n\n toggleOverwrite: function(value) {\n if (value != null && value == this.state.overwrite) { return }\n if (this.state.overwrite = !this.state.overwrite)\n { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }\n else\n { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }\n\n signal(this, "overwriteToggle", this, this.state.overwrite);\n },\n hasFocus: function() { return this.display.input.getField() == activeElt() },\n isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },\n\n scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),\n getScrollInfo: function() {\n var scroller = this.display.scroller;\n return {left: scroller.scrollLeft, top: scroller.scrollTop,\n height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,\n width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,\n clientHeight: displayHeight(this), clientWidth: displayWidth(this)}\n },\n\n scrollIntoView: methodOp(function(range$$1, margin) {\n if (range$$1 == null) {\n range$$1 = {from: this.doc.sel.primary().head, to: null};\n if (margin == null) { margin = this.options.cursorScrollMargin; }\n } else if (typeof range$$1 == "number") {\n range$$1 = {from: Pos(range$$1, 0), to: null};\n } else if (range$$1.from == null) {\n range$$1 = {from: range$$1, to: null};\n }\n if (!range$$1.to) { range$$1.to = range$$1.from; }\n range$$1.margin = margin || 0;\n\n if (range$$1.from.line != null) {\n scrollToRange(this, range$$1);\n } else {\n scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);\n }\n }),\n\n setSize: methodOp(function(width, height) {\n var this$1 = this;\n\n var interpret = function (val) { return typeof val == "number" || /^\\d+$/.test(String(val)) ? val + "px" : val; };\n if (width != null) { this.display.wrapper.style.width = interpret(width); }\n if (height != null) { this.display.wrapper.style.height = interpret(height); }\n if (this.options.lineWrapping) { clearLineMeasurementCache(this); }\n var lineNo$$1 = this.display.viewFrom;\n this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)\n { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }\n ++lineNo$$1;\n });\n this.curOp.forceUpdate = true;\n signal(this, "refresh", this);\n }),\n\n operation: function(f){return runInOp(this, f)},\n startOperation: function(){return startOperation(this)},\n endOperation: function(){return endOperation(this)},\n\n refresh: methodOp(function() {\n var oldHeight = this.display.cachedTextHeight;\n regChange(this);\n this.curOp.forceUpdate = true;\n clearCaches(this);\n scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);\n updateGutterSpace(this);\n if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)\n { estimateLineHeights(this); }\n signal(this, "refresh", this);\n }),\n\n swapDoc: methodOp(function(doc) {\n var old = this.doc;\n old.cm = null;\n attachDoc(this, doc);\n clearCaches(this);\n this.display.input.reset();\n scrollToCoords(this, doc.scrollLeft, doc.scrollTop);\n this.curOp.forceScroll = true;\n signalLater(this, "swapDoc", this, old);\n return old\n }),\n\n getInputField: function(){return this.display.input.getField()},\n getWrapperElement: function(){return this.display.wrapper},\n getScrollerElement: function(){return this.display.scroller},\n getGutterElement: function(){return this.display.gutters}\n };\n eventMixin(CodeMirror);\n\n CodeMirror.registerHelper = function(type, name, value) {\n if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }\n helpers[type][name] = value;\n };\n CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {\n CodeMirror.registerHelper(type, name, value);\n helpers[type]._global.push({pred: predicate, val: value});\n };\n};\n\n// Used for horizontal relative motion. Dir is -1 or 1 (left or\n// right), unit can be "char", "column" (like char, but doesn\'t\n// cross line boundaries), "word" (across next word), or "group" (to\n// the start of next group of word or non-word-non-whitespace\n// chars). The visually param controls whether, in right-to-left\n// text, direction 1 means to move towards the next index in the\n// string, or towards the character to the right of the current\n// position. The resulting position will have a hitSide=true\n// property if it reached the end of the document.\nfunction findPosH(doc, pos, dir, unit, visually) {\n var oldPos = pos;\n var origDir = dir;\n var lineObj = getLine(doc, pos.line);\n function findNextLine() {\n var l = pos.line + dir;\n if (l < doc.first || l >= doc.first + doc.size) { return false }\n pos = new Pos(l, pos.ch, pos.sticky);\n return lineObj = getLine(doc, l)\n }\n function moveOnce(boundToLine) {\n var next;\n if (visually) {\n next = moveVisually(doc.cm, lineObj, pos, dir);\n } else {\n next = moveLogically(lineObj, pos, dir);\n }\n if (next == null) {\n if (!boundToLine && findNextLine())\n { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }\n else\n { return false }\n } else {\n pos = next;\n }\n return true\n }\n\n if (unit == "char") {\n moveOnce();\n } else if (unit == "column") {\n moveOnce(true);\n } else if (unit == "word" || unit == "group") {\n var sawType = null, group = unit == "group";\n var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");\n for (var first = true;; first = false) {\n if (dir < 0 && !moveOnce(!first)) { break }\n var cur = lineObj.text.charAt(pos.ch) || "\\n";\n var type = isWordChar(cur, helper) ? "w"\n : group && cur == "\\n" ? "n"\n : !group || /\\s/.test(cur) ? null\n : "p";\n if (group && !first && !type) { type = "s"; }\n if (sawType && sawType != type) {\n if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}\n break\n }\n\n if (type) { sawType = type; }\n if (dir > 0 && !moveOnce(!first)) { break }\n }\n }\n var result = skipAtomic(doc, pos, oldPos, origDir, true);\n if (equalCursorPos(oldPos, result)) { result.hitSide = true; }\n return result\n}\n\n// For relative vertical movement. Dir may be -1 or 1. Unit can be\n// "page" or "line". The resulting position will have a hitSide=true\n// property if it reached the end of the document.\nfunction findPosV(cm, pos, dir, unit) {\n var doc = cm.doc, x = pos.left, y;\n if (unit == "page") {\n var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);\n var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);\n y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;\n\n } else if (unit == "line") {\n y = dir > 0 ? pos.bottom + 3 : pos.top - 3;\n }\n var target;\n for (;;) {\n target = coordsChar(cm, x, y);\n if (!target.outside) { break }\n if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }\n y += dir * 5;\n }\n return target\n}\n\n// CONTENTEDITABLE INPUT STYLE\n\nvar ContentEditableInput = function(cm) {\n this.cm = cm;\n this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;\n this.polling = new Delayed();\n this.composing = null;\n this.gracePeriod = false;\n this.readDOMTimeout = null;\n};\n\nContentEditableInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = input.cm;\n var div = input.div = display.lineDiv;\n disableBrowserMagic(div, cm.options.spellcheck);\n\n on(div, "paste", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n // IE doesn\'t fire input events, so we schedule a read for the pasted content in this way\n if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }\n });\n\n on(div, "compositionstart", function (e) {\n this$1.composing = {data: e.data, done: false};\n });\n on(div, "compositionupdate", function (e) {\n if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }\n });\n on(div, "compositionend", function (e) {\n if (this$1.composing) {\n if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }\n this$1.composing.done = true;\n }\n });\n\n on(div, "touchstart", function () { return input.forceCompositionEnd(); });\n\n on(div, "input", function () {\n if (!this$1.composing) { this$1.readFromDOMSoon(); }\n });\n\n function onCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == "cut") {\n cm.operation(function () {\n cm.setSelections(ranges.ranges, 0, sel_dontScroll);\n cm.replaceSelection("", null, "cut");\n });\n }\n }\n if (e.clipboardData) {\n e.clipboardData.clearData();\n var content = lastCopied.text.join("\\n");\n // iOS exposes the clipboard API, but seems to discard content inserted into it\n e.clipboardData.setData("Text", content);\n if (e.clipboardData.getData("Text") == content) {\n e.preventDefault();\n return\n }\n }\n // Old-fashioned briefly-focus-a-textarea hack\n var kludge = hiddenTextarea(), te = kludge.firstChild;\n cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);\n te.value = lastCopied.text.join("\\n");\n var hadFocus = document.activeElement;\n selectInput(te);\n setTimeout(function () {\n cm.display.lineSpace.removeChild(kludge);\n hadFocus.focus();\n if (hadFocus == div) { input.showPrimarySelection(); }\n }, 50);\n }\n on(div, "copy", onCopyCut);\n on(div, "cut", onCopyCut);\n};\n\nContentEditableInput.prototype.prepareSelection = function () {\n var result = prepareSelection(this.cm, false);\n result.focus = this.cm.state.focused;\n return result\n};\n\nContentEditableInput.prototype.showSelection = function (info, takeFocus) {\n if (!info || !this.cm.display.view.length) { return }\n if (info.focus || takeFocus) { this.showPrimarySelection(); }\n this.showMultipleSelections(info);\n};\n\nContentEditableInput.prototype.showPrimarySelection = function () {\n var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();\n var from = prim.from(), to = prim.to();\n\n if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {\n sel.removeAllRanges();\n return\n }\n\n var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&\n cmp(minPos(curAnchor, curFocus), from) == 0 &&\n cmp(maxPos(curAnchor, curFocus), to) == 0)\n { return }\n\n var view = cm.display.view;\n var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||\n {node: view[0].measure.map[2], offset: 0};\n var end = to.line < cm.display.viewTo && posToDOM(cm, to);\n if (!end) {\n var measure = view[view.length - 1].measure;\n var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;\n end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};\n }\n\n if (!start || !end) {\n sel.removeAllRanges();\n return\n }\n\n var old = sel.rangeCount && sel.getRangeAt(0), rng;\n try { rng = range(start.node, start.offset, end.offset, end.node); }\n catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible\n if (rng) {\n if (!gecko && cm.state.focused) {\n sel.collapse(start.node, start.offset);\n if (!rng.collapsed) {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n } else {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n if (old && sel.anchorNode == null) { sel.addRange(old); }\n else if (gecko) { this.startGracePeriod(); }\n }\n this.rememberSelection();\n};\n\nContentEditableInput.prototype.startGracePeriod = function () {\n var this$1 = this;\n\n clearTimeout(this.gracePeriod);\n this.gracePeriod = setTimeout(function () {\n this$1.gracePeriod = false;\n if (this$1.selectionChanged())\n { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }\n }, 20);\n};\n\nContentEditableInput.prototype.showMultipleSelections = function (info) {\n removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);\n removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);\n};\n\nContentEditableInput.prototype.rememberSelection = function () {\n var sel = window.getSelection();\n this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;\n this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;\n};\n\nContentEditableInput.prototype.selectionInEditor = function () {\n var sel = window.getSelection();\n if (!sel.rangeCount) { return false }\n var node = sel.getRangeAt(0).commonAncestorContainer;\n return contains(this.div, node)\n};\n\nContentEditableInput.prototype.focus = function () {\n if (this.cm.options.readOnly != "nocursor") {\n if (!this.selectionInEditor())\n { this.showSelection(this.prepareSelection(), true); }\n this.div.focus();\n }\n};\nContentEditableInput.prototype.blur = function () { this.div.blur(); };\nContentEditableInput.prototype.getField = function () { return this.div };\n\nContentEditableInput.prototype.supportsTouch = function () { return true };\n\nContentEditableInput.prototype.receivedFocus = function () {\n var input = this;\n if (this.selectionInEditor())\n { this.pollSelection(); }\n else\n { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }\n\n function poll() {\n if (input.cm.state.focused) {\n input.pollSelection();\n input.polling.set(input.cm.options.pollInterval, poll);\n }\n }\n this.polling.set(this.cm.options.pollInterval, poll);\n};\n\nContentEditableInput.prototype.selectionChanged = function () {\n var sel = window.getSelection();\n return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||\n sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset\n};\n\nContentEditableInput.prototype.pollSelection = function () {\n if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }\n var sel = window.getSelection(), cm = this.cm;\n // On Android Chrome (version 56, at least), backspacing into an\n // uneditable block element will put the cursor in that element,\n // and then, because it\'s not editable, hide the virtual keyboard.\n // Because Android doesn\'t allow us to actually detect backspace\n // presses in a sane way, this code checks for when that happens\n // and simulates a backspace press in this case.\n if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {\n this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});\n this.blur();\n this.focus();\n return\n }\n if (this.composing) { return }\n this.rememberSelection();\n var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var head = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (anchor && head) { runInOp(cm, function () {\n setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);\n if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }\n }); }\n};\n\nContentEditableInput.prototype.pollContent = function () {\n if (this.readDOMTimeout != null) {\n clearTimeout(this.readDOMTimeout);\n this.readDOMTimeout = null;\n }\n\n var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();\n var from = sel.from(), to = sel.to();\n if (from.ch == 0 && from.line > cm.firstLine())\n { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }\n if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())\n { to = Pos(to.line + 1, 0); }\n if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }\n\n var fromIndex, fromLine, fromNode;\n if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {\n fromLine = lineNo(display.view[0].line);\n fromNode = display.view[0].node;\n } else {\n fromLine = lineNo(display.view[fromIndex].line);\n fromNode = display.view[fromIndex - 1].node.nextSibling;\n }\n var toIndex = findViewIndex(cm, to.line);\n var toLine, toNode;\n if (toIndex == display.view.length - 1) {\n toLine = display.viewTo - 1;\n toNode = display.lineDiv.lastChild;\n } else {\n toLine = lineNo(display.view[toIndex + 1].line) - 1;\n toNode = display.view[toIndex + 1].node.previousSibling;\n }\n\n if (!fromNode) { return false }\n var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));\n var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));\n while (newText.length > 1 && oldText.length > 1) {\n if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }\n else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }\n else { break }\n }\n\n var cutFront = 0, cutEnd = 0;\n var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);\n while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))\n { ++cutFront; }\n var newBot = lst(newText), oldBot = lst(oldText);\n var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),\n oldBot.length - (oldText.length == 1 ? cutFront : 0));\n while (cutEnd < maxCutEnd &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))\n { ++cutEnd; }\n // Try to move start of change to start of selection if ambiguous\n if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {\n while (cutFront && cutFront > from.ch &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {\n cutFront--;\n cutEnd++;\n }\n }\n\n newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\\u200b+/, "");\n newText[0] = newText[0].slice(cutFront).replace(/\\u200b+$/, "");\n\n var chFrom = Pos(fromLine, cutFront);\n var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);\n if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {\n replaceRange(cm.doc, newText, chFrom, chTo, "+input");\n return true\n }\n};\n\nContentEditableInput.prototype.ensurePolled = function () {\n this.forceCompositionEnd();\n};\nContentEditableInput.prototype.reset = function () {\n this.forceCompositionEnd();\n};\nContentEditableInput.prototype.forceCompositionEnd = function () {\n if (!this.composing) { return }\n clearTimeout(this.readDOMTimeout);\n this.composing = null;\n this.updateFromDOM();\n this.div.blur();\n this.div.focus();\n};\nContentEditableInput.prototype.readFromDOMSoon = function () {\n var this$1 = this;\n\n if (this.readDOMTimeout != null) { return }\n this.readDOMTimeout = setTimeout(function () {\n this$1.readDOMTimeout = null;\n if (this$1.composing) {\n if (this$1.composing.done) { this$1.composing = null; }\n else { return }\n }\n this$1.updateFromDOM();\n }, 80);\n};\n\nContentEditableInput.prototype.updateFromDOM = function () {\n var this$1 = this;\n\n if (this.cm.isReadOnly() || !this.pollContent())\n { runInOp(this.cm, function () { return regChange(this$1.cm); }); }\n};\n\nContentEditableInput.prototype.setUneditable = function (node) {\n node.contentEditable = "false";\n};\n\nContentEditableInput.prototype.onKeyPress = function (e) {\n if (e.charCode == 0) { return }\n e.preventDefault();\n if (!this.cm.isReadOnly())\n { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }\n};\n\nContentEditableInput.prototype.readOnlyChanged = function (val) {\n this.div.contentEditable = String(val != "nocursor");\n};\n\nContentEditableInput.prototype.onContextMenu = function () {};\nContentEditableInput.prototype.resetPosition = function () {};\n\nContentEditableInput.prototype.needsContentAttribute = true;\n\nfunction posToDOM(cm, pos) {\n var view = findViewForLine(cm, pos.line);\n if (!view || view.hidden) { return null }\n var line = getLine(cm.doc, pos.line);\n var info = mapFromLineView(view, line, pos.line);\n\n var order = getOrder(line, cm.doc.direction), side = "left";\n if (order) {\n var partPos = getBidiPartAt(order, pos.ch);\n side = partPos % 2 ? "right" : "left";\n }\n var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);\n result.offset = result.collapse == "right" ? result.end : result.start;\n return result\n}\n\nfunction isInGutter(node) {\n for (var scan = node; scan; scan = scan.parentNode)\n { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }\n return false\n}\n\nfunction badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }\n\nfunction domTextBetween(cm, from, to, fromLine, toLine) {\n var text = "", closing = false, lineSep = cm.doc.lineSeparator();\n function recognizeMarker(id) { return function (marker) { return marker.id == id; } }\n function close() {\n if (closing) {\n text += lineSep;\n closing = false;\n }\n }\n function addText(str) {\n if (str) {\n close();\n text += str;\n }\n }\n function walk(node) {\n if (node.nodeType == 1) {\n var cmText = node.getAttribute("cm-text");\n if (cmText != null) {\n addText(cmText || node.textContent.replace(/\\u200b/g, ""));\n return\n }\n var markerID = node.getAttribute("cm-marker"), range$$1;\n if (markerID) {\n var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));\n if (found.length && (range$$1 = found[0].find(0)))\n { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }\n return\n }\n if (node.getAttribute("contenteditable") == "false") { return }\n var isBlock = /^(pre|div|p)$/i.test(node.nodeName);\n if (isBlock) { close(); }\n for (var i = 0; i < node.childNodes.length; i++)\n { walk(node.childNodes[i]); }\n if (isBlock) { closing = true; }\n } else if (node.nodeType == 3) {\n addText(node.nodeValue);\n }\n }\n for (;;) {\n walk(from);\n if (from == to) { break }\n from = from.nextSibling;\n }\n return text\n}\n\nfunction domToPos(cm, node, offset) {\n var lineNode;\n if (node == cm.display.lineDiv) {\n lineNode = cm.display.lineDiv.childNodes[offset];\n if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }\n node = null; offset = 0;\n } else {\n for (lineNode = node;; lineNode = lineNode.parentNode) {\n if (!lineNode || lineNode == cm.display.lineDiv) { return null }\n if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }\n }\n }\n for (var i = 0; i < cm.display.view.length; i++) {\n var lineView = cm.display.view[i];\n if (lineView.node == lineNode)\n { return locateNodeInLineView(lineView, node, offset) }\n }\n}\n\nfunction locateNodeInLineView(lineView, node, offset) {\n var wrapper = lineView.text.firstChild, bad = false;\n if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }\n if (node == wrapper) {\n bad = true;\n node = wrapper.childNodes[offset];\n offset = 0;\n if (!node) {\n var line = lineView.rest ? lst(lineView.rest) : lineView.line;\n return badPos(Pos(lineNo(line), line.text.length), bad)\n }\n }\n\n var textNode = node.nodeType == 3 ? node : null, topNode = node;\n if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {\n textNode = node.firstChild;\n if (offset) { offset = textNode.nodeValue.length; }\n }\n while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }\n var measure = lineView.measure, maps = measure.maps;\n\n function find(textNode, topNode, offset) {\n for (var i = -1; i < (maps ? maps.length : 0); i++) {\n var map$$1 = i < 0 ? measure.map : maps[i];\n for (var j = 0; j < map$$1.length; j += 3) {\n var curNode = map$$1[j + 2];\n if (curNode == textNode || curNode == topNode) {\n var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);\n var ch = map$$1[j] + offset;\n if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }\n return Pos(line, ch)\n }\n }\n }\n }\n var found = find(textNode, topNode, offset);\n if (found) { return badPos(found, bad) }\n\n // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems\n for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {\n found = find(after, after.firstChild, 0);\n if (found)\n { return badPos(Pos(found.line, found.ch - dist), bad) }\n else\n { dist += after.textContent.length; }\n }\n for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {\n found = find(before, before.firstChild, -1);\n if (found)\n { return badPos(Pos(found.line, found.ch + dist$1), bad) }\n else\n { dist$1 += before.textContent.length; }\n }\n}\n\n// TEXTAREA INPUT STYLE\n\nvar TextareaInput = function(cm) {\n this.cm = cm;\n // See input.poll and input.reset\n this.prevInput = "";\n\n // Flag that indicates whether we expect input to appear real soon\n // now (after some event like \'keypress\' or \'input\') and are\n // polling intensively.\n this.pollingFast = false;\n // Self-resetting timeout for the poller\n this.polling = new Delayed();\n // Used to work around IE issue with selection being forgotten when focus moves away from textarea\n this.hasSelection = false;\n this.composing = null;\n};\n\nTextareaInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = this.cm;\n\n // Wraps and hides input textarea\n var div = this.wrapper = hiddenTextarea();\n // The semihidden textarea that is focused when the editor is\n // focused, and receives input.\n var te = this.textarea = div.firstChild;\n display.wrapper.insertBefore(div, display.wrapper.firstChild);\n\n // Needed to hide big blue blinking cursor on Mobile Safari (doesn\'t seem to work in iOS 8 anymore)\n if (ios) { te.style.width = "0px"; }\n\n on(te, "input", function () {\n if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }\n input.poll();\n });\n\n on(te, "paste", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n\n cm.state.pasteIncoming = true;\n input.fastPoll();\n });\n\n function prepareCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == "cut") {\n cm.setSelections(ranges.ranges, null, sel_dontScroll);\n } else {\n input.prevInput = "";\n te.value = ranges.text.join("\\n");\n selectInput(te);\n }\n }\n if (e.type == "cut") { cm.state.cutIncoming = true; }\n }\n on(te, "cut", prepareCopyCut);\n on(te, "copy", prepareCopyCut);\n\n on(display.scroller, "paste", function (e) {\n if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }\n cm.state.pasteIncoming = true;\n input.focus();\n });\n\n // Prevent normal selection in the editor (we handle our own)\n on(display.lineSpace, "selectstart", function (e) {\n if (!eventInWidget(display, e)) { e_preventDefault(e); }\n });\n\n on(te, "compositionstart", function () {\n var start = cm.getCursor("from");\n if (input.composing) { input.composing.range.clear(); }\n input.composing = {\n start: start,\n range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})\n };\n });\n on(te, "compositionend", function () {\n if (input.composing) {\n input.poll();\n input.composing.range.clear();\n input.composing = null;\n }\n });\n};\n\nTextareaInput.prototype.prepareSelection = function () {\n // Redraw the selection and/or cursor\n var cm = this.cm, display = cm.display, doc = cm.doc;\n var result = prepareSelection(cm);\n\n // Move the hidden textarea near the cursor to prevent scrolling artifacts\n if (cm.options.moveInputWithCursor) {\n var headPos = cursorCoords(cm, doc.sel.primary().head, "div");\n var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();\n result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,\n headPos.top + lineOff.top - wrapOff.top));\n result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,\n headPos.left + lineOff.left - wrapOff.left));\n }\n\n return result\n};\n\nTextareaInput.prototype.showSelection = function (drawn) {\n var cm = this.cm, display = cm.display;\n removeChildrenAndAdd(display.cursorDiv, drawn.cursors);\n removeChildrenAndAdd(display.selectionDiv, drawn.selection);\n if (drawn.teTop != null) {\n this.wrapper.style.top = drawn.teTop + "px";\n this.wrapper.style.left = drawn.teLeft + "px";\n }\n};\n\n// Reset the input to correspond to the selection (or to be empty,\n// when not typing and nothing is selected)\nTextareaInput.prototype.reset = function (typing) {\n if (this.contextMenuPending || this.composing) { return }\n var cm = this.cm;\n if (cm.somethingSelected()) {\n this.prevInput = "";\n var content = cm.getSelection();\n this.textarea.value = content;\n if (cm.state.focused) { selectInput(this.textarea); }\n if (ie && ie_version >= 9) { this.hasSelection = content; }\n } else if (!typing) {\n this.prevInput = this.textarea.value = "";\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n }\n};\n\nTextareaInput.prototype.getField = function () { return this.textarea };\n\nTextareaInput.prototype.supportsTouch = function () { return false };\n\nTextareaInput.prototype.focus = function () {\n if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {\n try { this.textarea.focus(); }\n catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM\n }\n};\n\nTextareaInput.prototype.blur = function () { this.textarea.blur(); };\n\nTextareaInput.prototype.resetPosition = function () {\n this.wrapper.style.top = this.wrapper.style.left = 0;\n};\n\nTextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };\n\n// Poll for input changes, using the normal rate of polling. This\n// runs as long as the editor is focused.\nTextareaInput.prototype.slowPoll = function () {\n var this$1 = this;\n\n if (this.pollingFast) { return }\n this.polling.set(this.cm.options.pollInterval, function () {\n this$1.poll();\n if (this$1.cm.state.focused) { this$1.slowPoll(); }\n });\n};\n\n// When an event has just come in that is likely to add or change\n// something in the input textarea, we poll faster, to ensure that\n// the change appears on the screen quickly.\nTextareaInput.prototype.fastPoll = function () {\n var missed = false, input = this;\n input.pollingFast = true;\n function p() {\n var changed = input.poll();\n if (!changed && !missed) {missed = true; input.polling.set(60, p);}\n else {input.pollingFast = false; input.slowPoll();}\n }\n input.polling.set(20, p);\n};\n\n// Read input from the textarea, and update the document to match.\n// When something is selected, it is present in the textarea, and\n// selected (unless it is huge, in which case a placeholder is\n// used). When nothing is selected, the cursor sits after previously\n// seen text (can be empty), which is stored in prevInput (we must\n// not reset the textarea when typing, because that breaks IME).\nTextareaInput.prototype.poll = function () {\n var this$1 = this;\n\n var cm = this.cm, input = this.textarea, prevInput = this.prevInput;\n // Since this is called a *lot*, try to bail out as cheaply as\n // possible when it is clear that nothing happened. hasSelection\n // will be the case when there is a lot of text in the textarea,\n // in which case reading its value would be expensive.\n if (this.contextMenuPending || !cm.state.focused ||\n (hasSelection(input) && !prevInput && !this.composing) ||\n cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)\n { return false }\n\n var text = input.value;\n // If nothing changed, bail.\n if (text == prevInput && !cm.somethingSelected()) { return false }\n // Work around nonsensical selection resetting in IE9/10, and\n // inexplicable appearance of private area unicode characters on\n // some key combos in Mac (#2689).\n if (ie && ie_version >= 9 && this.hasSelection === text ||\n mac && /[\\uf700-\\uf7ff]/.test(text)) {\n cm.display.input.reset();\n return false\n }\n\n if (cm.doc.sel == cm.display.selForContextMenu) {\n var first = text.charCodeAt(0);\n if (first == 0x200b && !prevInput) { prevInput = "\\u200b"; }\n if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }\n }\n // Find the part of the input that is actually new\n var same = 0, l = Math.min(prevInput.length, text.length);\n while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }\n\n runInOp(cm, function () {\n applyTextInput(cm, text.slice(same), prevInput.length - same,\n null, this$1.composing ? "*compose" : null);\n\n // Don\'t leave long text in the textarea, since it makes further polling slow\n if (text.length > 1000 || text.indexOf("\\n") > -1) { input.value = this$1.prevInput = ""; }\n else { this$1.prevInput = text; }\n\n if (this$1.composing) {\n this$1.composing.range.clear();\n this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),\n {className: "CodeMirror-composing"});\n }\n });\n return true\n};\n\nTextareaInput.prototype.ensurePolled = function () {\n if (this.pollingFast && this.poll()) { this.pollingFast = false; }\n};\n\nTextareaInput.prototype.onKeyPress = function () {\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n this.fastPoll();\n};\n\nTextareaInput.prototype.onContextMenu = function (e) {\n var input = this, cm = input.cm, display = cm.display, te = input.textarea;\n var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;\n if (!pos || presto) { return } // Opera is difficult.\n\n // Reset the current text selection only if the click is done outside of the selection\n // and \'resetSelectionOnContextMenu\' option is true.\n var reset = cm.options.resetSelectionOnContextMenu;\n if (reset && cm.doc.sel.contains(pos) == -1)\n { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }\n\n var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;\n input.wrapper.style.cssText = "position: absolute";\n var wrapperBox = input.wrapper.getBoundingClientRect();\n te.style.cssText = "position: absolute; width: 30px; height: 30px;\\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";\n var oldScrollY;\n if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)\n display.input.focus();\n if (webkit) { window.scrollTo(null, oldScrollY); }\n display.input.reset();\n // Adds "Select all" to context menu in FF\n if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }\n input.contextMenuPending = true;\n display.selForContextMenu = cm.doc.sel;\n clearTimeout(display.detectingSelectAll);\n\n // Select-all will be greyed out if there\'s nothing to select, so\n // this adds a zero-width space so that we can later check whether\n // it got selected.\n function prepareSelectAllHack() {\n if (te.selectionStart != null) {\n var selected = cm.somethingSelected();\n var extval = "\\u200b" + (selected ? te.value : "");\n te.value = "\\u21da"; // Used to catch context-menu undo\n te.value = extval;\n input.prevInput = selected ? "" : "\\u200b";\n te.selectionStart = 1; te.selectionEnd = extval.length;\n // Re-set this, in case some other handler touched the\n // selection in the meantime.\n display.selForContextMenu = cm.doc.sel;\n }\n }\n function rehide() {\n input.contextMenuPending = false;\n input.wrapper.style.cssText = oldWrapperCSS;\n te.style.cssText = oldCSS;\n if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }\n\n // Try to detect the user choosing select-all\n if (te.selectionStart != null) {\n if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }\n var i = 0, poll = function () {\n if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&\n te.selectionEnd > 0 && input.prevInput == "\\u200b") {\n operation(cm, selectAll)(cm);\n } else if (i++ < 10) {\n display.detectingSelectAll = setTimeout(poll, 500);\n } else {\n display.selForContextMenu = null;\n display.input.reset();\n }\n };\n display.detectingSelectAll = setTimeout(poll, 200);\n }\n }\n\n if (ie && ie_version >= 9) { prepareSelectAllHack(); }\n if (captureRightClick) {\n e_stop(e);\n var mouseup = function () {\n off(window, "mouseup", mouseup);\n setTimeout(rehide, 20);\n };\n on(window, "mouseup", mouseup);\n } else {\n setTimeout(rehide, 50);\n }\n};\n\nTextareaInput.prototype.readOnlyChanged = function (val) {\n if (!val) { this.reset(); }\n this.textarea.disabled = val == "nocursor";\n};\n\nTextareaInput.prototype.setUneditable = function () {};\n\nTextareaInput.prototype.needsContentAttribute = false;\n\nfunction fromTextArea(textarea, options) {\n options = options ? copyObj(options) : {};\n options.value = textarea.value;\n if (!options.tabindex && textarea.tabIndex)\n { options.tabindex = textarea.tabIndex; }\n if (!options.placeholder && textarea.placeholder)\n { options.placeholder = textarea.placeholder; }\n // Set autofocus to true if this textarea is focused, or if it has\n // autofocus and no other element is focused.\n if (options.autofocus == null) {\n var hasFocus = activeElt();\n options.autofocus = hasFocus == textarea ||\n textarea.getAttribute("autofocus") != null && hasFocus == document.body;\n }\n\n function save() {textarea.value = cm.getValue();}\n\n var realSubmit;\n if (textarea.form) {\n on(textarea.form, "submit", save);\n // Deplorable hack to make the submit method do the right thing.\n if (!options.leaveSubmitMethodAlone) {\n var form = textarea.form;\n realSubmit = form.submit;\n try {\n var wrappedSubmit = form.submit = function () {\n save();\n form.submit = realSubmit;\n form.submit();\n form.submit = wrappedSubmit;\n };\n } catch(e) {}\n }\n }\n\n options.finishInit = function (cm) {\n cm.save = save;\n cm.getTextArea = function () { return textarea; };\n cm.toTextArea = function () {\n cm.toTextArea = isNaN; // Prevent this from being ran twice\n save();\n textarea.parentNode.removeChild(cm.getWrapperElement());\n textarea.style.display = "";\n if (textarea.form) {\n off(textarea.form, "submit", save);\n if (typeof textarea.form.submit == "function")\n { textarea.form.submit = realSubmit; }\n }\n };\n };\n\n textarea.style.display = "none";\n var cm = CodeMirror$1(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },\n options);\n return cm\n}\n\nfunction addLegacyProps(CodeMirror) {\n CodeMirror.off = off;\n CodeMirror.on = on;\n CodeMirror.wheelEventPixels = wheelEventPixels;\n CodeMirror.Doc = Doc;\n CodeMirror.splitLines = splitLinesAuto;\n CodeMirror.countColumn = countColumn;\n CodeMirror.findColumn = findColumn;\n CodeMirror.isWordChar = isWordCharBasic;\n CodeMirror.Pass = Pass;\n CodeMirror.signal = signal;\n CodeMirror.Line = Line;\n CodeMirror.changeEnd = changeEnd;\n CodeMirror.scrollbarModel = scrollbarModel;\n CodeMirror.Pos = Pos;\n CodeMirror.cmpPos = cmp;\n CodeMirror.modes = modes;\n CodeMirror.mimeModes = mimeModes;\n CodeMirror.resolveMode = resolveMode;\n CodeMirror.getMode = getMode;\n CodeMirror.modeExtensions = modeExtensions;\n CodeMirror.extendMode = extendMode;\n CodeMirror.copyState = copyState;\n CodeMirror.startState = startState;\n CodeMirror.innerMode = innerMode;\n CodeMirror.commands = commands;\n CodeMirror.keyMap = keyMap;\n CodeMirror.keyName = keyName;\n CodeMirror.isModifierKey = isModifierKey;\n CodeMirror.lookupKey = lookupKey;\n CodeMirror.normalizeKeyMap = normalizeKeyMap;\n CodeMirror.StringStream = StringStream;\n CodeMirror.SharedTextMarker = SharedTextMarker;\n CodeMirror.TextMarker = TextMarker;\n CodeMirror.LineWidget = LineWidget;\n CodeMirror.e_preventDefault = e_preventDefault;\n CodeMirror.e_stopPropagation = e_stopPropagation;\n CodeMirror.e_stop = e_stop;\n CodeMirror.addClass = addClass;\n CodeMirror.contains = contains;\n CodeMirror.rmClass = rmClass;\n CodeMirror.keyNames = keyNames;\n}\n\n// EDITOR CONSTRUCTOR\n\ndefineOptions(CodeMirror$1);\n\naddEditorMethods(CodeMirror$1);\n\n// Set up methods on CodeMirror\'s prototype to redirect to the editor\'s document.\nvar dontDelegate = "iter insert remove copy getEditor constructor".split(" ");\nfor (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)\n { CodeMirror$1.prototype[prop] = (function(method) {\n return function() {return method.apply(this.doc, arguments)}\n })(Doc.prototype[prop]); } }\n\neventMixin(Doc);\n\n// INPUT HANDLING\n\nCodeMirror$1.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};\n\n// MODE DEFINITION AND QUERYING\n\n// Extra arguments are stored as the mode\'s dependencies, which is\n// used by (legacy) mechanisms like loadmode.js to automatically\n// load a mode. (Preferred mechanism is the require/define calls.)\nCodeMirror$1.defineMode = function(name/*, mode, …*/) {\n if (!CodeMirror$1.defaults.mode && name != "null") { CodeMirror$1.defaults.mode = name; }\n defineMode.apply(this, arguments);\n};\n\nCodeMirror$1.defineMIME = defineMIME;\n\n// Minimal default mode.\nCodeMirror$1.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });\nCodeMirror$1.defineMIME("text/plain", "null");\n\n// EXTENSIONS\n\nCodeMirror$1.defineExtension = function (name, func) {\n CodeMirror$1.prototype[name] = func;\n};\nCodeMirror$1.defineDocExtension = function (name, func) {\n Doc.prototype[name] = func;\n};\n\nCodeMirror$1.fromTextArea = fromTextArea;\n\naddLegacyProps(CodeMirror$1);\n\nCodeMirror$1.version = "5.35.0";\n\nreturn CodeMirror$1;\n\n})));\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/lib/codemirror.js?')},"./node_modules/codemirror/mode/clike/clike.js":function(module,exports,__webpack_require__){eval('// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: http://codemirror.net/LICENSE\n\n(function(mod) {\n if (true) // CommonJS\n mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));\n else {}\n})(function(CodeMirror) {\n"use strict";\n\nfunction Context(indented, column, type, info, align, prev) {\n this.indented = indented;\n this.column = column;\n this.type = type;\n this.info = info;\n this.align = align;\n this.prev = prev;\n}\nfunction pushContext(state, col, type, info) {\n var indent = state.indented;\n if (state.context && state.context.type == "statement" && type != "statement")\n indent = state.context.indented;\n return state.context = new Context(indent, col, type, info, null, state.context);\n}\nfunction popContext(state) {\n var t = state.context.type;\n if (t == ")" || t == "]" || t == "}")\n state.indented = state.context.indented;\n return state.context = state.context.prev;\n}\n\nfunction typeBefore(stream, state, pos) {\n if (state.prevToken == "variable" || state.prevToken == "type") return true;\n if (/\\S(?:[^- ]>|[*\\]])\\s*$|\\*$/.test(stream.string.slice(0, pos))) return true;\n if (state.typeAtEndOfLine && stream.column() == stream.indentation()) return true;\n}\n\nfunction isTopScope(context) {\n for (;;) {\n if (!context || context.type == "top") return true;\n if (context.type == "}" && context.prev.info != "namespace") return false;\n context = context.prev;\n }\n}\n\nCodeMirror.defineMode("clike", function(config, parserConfig) {\n var indentUnit = config.indentUnit,\n statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,\n dontAlignCalls = parserConfig.dontAlignCalls,\n keywords = parserConfig.keywords || {},\n types = parserConfig.types || {},\n builtin = parserConfig.builtin || {},\n blockKeywords = parserConfig.blockKeywords || {},\n defKeywords = parserConfig.defKeywords || {},\n atoms = parserConfig.atoms || {},\n hooks = parserConfig.hooks || {},\n multiLineStrings = parserConfig.multiLineStrings,\n indentStatements = parserConfig.indentStatements !== false,\n indentSwitch = parserConfig.indentSwitch !== false,\n namespaceSeparator = parserConfig.namespaceSeparator,\n isPunctuationChar = parserConfig.isPunctuationChar || /[\\[\\]{}\\(\\),;\\:\\.]/,\n numberStart = parserConfig.numberStart || /[\\d\\.]/,\n number = parserConfig.number || /^(?:0x[a-f\\d]+|0b[01]+|(?:\\d+\\.?\\d*|\\.\\d+)(?:e[-+]?\\d+)?)(u|ll?|l|f)?/i,\n isOperatorChar = parserConfig.isOperatorChar || /[+\\-*&%=<>!?|\\/]/,\n isIdentifierChar = parserConfig.isIdentifierChar || /[\\w\\$_\\xa1-\\uffff]/;\n\n var curPunc, isDefKeyword;\n\n function tokenBase(stream, state) {\n var ch = stream.next();\n if (hooks[ch]) {\n var result = hooks[ch](stream, state);\n if (result !== false) return result;\n }\n if (ch == \'"\' || ch == "\'") {\n state.tokenize = tokenString(ch);\n return state.tokenize(stream, state);\n }\n if (isPunctuationChar.test(ch)) {\n curPunc = ch;\n return null;\n }\n if (numberStart.test(ch)) {\n stream.backUp(1)\n if (stream.match(number)) return "number"\n stream.next()\n }\n if (ch == "/") {\n if (stream.eat("*")) {\n state.tokenize = tokenComment;\n return tokenComment(stream, state);\n }\n if (stream.eat("/")) {\n stream.skipToEnd();\n return "comment";\n }\n }\n if (isOperatorChar.test(ch)) {\n while (!stream.match(/^\\/[\\/*]/, false) && stream.eat(isOperatorChar)) {}\n return "operator";\n }\n stream.eatWhile(isIdentifierChar);\n if (namespaceSeparator) while (stream.match(namespaceSeparator))\n stream.eatWhile(isIdentifierChar);\n\n var cur = stream.current();\n if (contains(keywords, cur)) {\n if (contains(blockKeywords, cur)) curPunc = "newstatement";\n if (contains(defKeywords, cur)) isDefKeyword = true;\n return "keyword";\n }\n if (contains(types, cur)) return "type";\n if (contains(builtin, cur)) {\n if (contains(blockKeywords, cur)) curPunc = "newstatement";\n return "builtin";\n }\n if (contains(atoms, cur)) return "atom";\n return "variable";\n }\n\n function tokenString(quote) {\n return function(stream, state) {\n var escaped = false, next, end = false;\n while ((next = stream.next()) != null) {\n if (next == quote && !escaped) {end = true; break;}\n escaped = !escaped && next == "\\\\";\n }\n if (end || !(escaped || multiLineStrings))\n state.tokenize = null;\n return "string";\n };\n }\n\n function tokenComment(stream, state) {\n var maybeEnd = false, ch;\n while (ch = stream.next()) {\n if (ch == "/" && maybeEnd) {\n state.tokenize = null;\n break;\n }\n maybeEnd = (ch == "*");\n }\n return "comment";\n }\n\n function maybeEOL(stream, state) {\n if (parserConfig.typeFirstDefinitions && stream.eol() && isTopScope(state.context))\n state.typeAtEndOfLine = typeBefore(stream, state, stream.pos)\n }\n\n // Interface\n\n return {\n startState: function(basecolumn) {\n return {\n tokenize: null,\n context: new Context((basecolumn || 0) - indentUnit, 0, "top", null, false),\n indented: 0,\n startOfLine: true,\n prevToken: null\n };\n },\n\n token: function(stream, state) {\n var ctx = state.context;\n if (stream.sol()) {\n if (ctx.align == null) ctx.align = false;\n state.indented = stream.indentation();\n state.startOfLine = true;\n }\n if (stream.eatSpace()) { maybeEOL(stream, state); return null; }\n curPunc = isDefKeyword = null;\n var style = (state.tokenize || tokenBase)(stream, state);\n if (style == "comment" || style == "meta") return style;\n if (ctx.align == null) ctx.align = true;\n\n if (curPunc == ";" || curPunc == ":" || (curPunc == "," && stream.match(/^\\s*(?:\\/\\/.*)?$/, false)))\n while (state.context.type == "statement") popContext(state);\n else if (curPunc == "{") pushContext(state, stream.column(), "}");\n else if (curPunc == "[") pushContext(state, stream.column(), "]");\n else if (curPunc == "(") pushContext(state, stream.column(), ")");\n else if (curPunc == "}") {\n while (ctx.type == "statement") ctx = popContext(state);\n if (ctx.type == "}") ctx = popContext(state);\n while (ctx.type == "statement") ctx = popContext(state);\n }\n else if (curPunc == ctx.type) popContext(state);\n else if (indentStatements &&\n (((ctx.type == "}" || ctx.type == "top") && curPunc != ";") ||\n (ctx.type == "statement" && curPunc == "newstatement"))) {\n pushContext(state, stream.column(), "statement", stream.current());\n }\n\n if (style == "variable" &&\n ((state.prevToken == "def" ||\n (parserConfig.typeFirstDefinitions && typeBefore(stream, state, stream.start) &&\n isTopScope(state.context) && stream.match(/^\\s*\\(/, false)))))\n style = "def";\n\n if (hooks.token) {\n var result = hooks.token(stream, state, style);\n if (result !== undefined) style = result;\n }\n\n if (style == "def" && parserConfig.styleDefs === false) style = "variable";\n\n state.startOfLine = false;\n state.prevToken = isDefKeyword ? "def" : style || curPunc;\n maybeEOL(stream, state);\n return style;\n },\n\n indent: function(state, textAfter) {\n if (state.tokenize != tokenBase && state.tokenize != null || state.typeAtEndOfLine) return CodeMirror.Pass;\n var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);\n if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;\n if (parserConfig.dontIndentStatements)\n while (ctx.type == "statement" && parserConfig.dontIndentStatements.test(ctx.info))\n ctx = ctx.prev\n if (hooks.indent) {\n var hook = hooks.indent(state, ctx, textAfter);\n if (typeof hook == "number") return hook\n }\n var closing = firstChar == ctx.type;\n var switchBlock = ctx.prev && ctx.prev.info == "switch";\n if (parserConfig.allmanIndentation && /[{(]/.test(firstChar)) {\n while (ctx.type != "top" && ctx.type != "}") ctx = ctx.prev\n return ctx.indented\n }\n if (ctx.type == "statement")\n return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);\n if (ctx.align && (!dontAlignCalls || ctx.type != ")"))\n return ctx.column + (closing ? 0 : 1);\n if (ctx.type == ")" && !closing)\n return ctx.indented + statementIndentUnit;\n\n return ctx.indented + (closing ? 0 : indentUnit) +\n (!closing && switchBlock && !/^(?:case|default)\\b/.test(textAfter) ? indentUnit : 0);\n },\n\n electricInput: indentSwitch ? /^\\s*(?:case .*?:|default:|\\{\\}?|\\})$/ : /^\\s*[{}]$/,\n blockCommentStart: "/*",\n blockCommentEnd: "*/",\n blockCommentContinue: " * ",\n lineComment: "//",\n fold: "brace"\n };\n});\n\n function words(str) {\n var obj = {}, words = str.split(" ");\n for (var i = 0; i < words.length; ++i) obj[words[i]] = true;\n return obj;\n }\n function contains(words, word) {\n if (typeof words === "function") {\n return words(word);\n } else {\n return words.propertyIsEnumerable(word);\n }\n }\n var cKeywords = "auto if break case register continue return default do sizeof " +\n "static else struct switch extern typedef union for goto while enum const volatile";\n var cTypes = "int long char short double float unsigned signed void size_t ptrdiff_t";\n\n function cppHook(stream, state) {\n if (!state.startOfLine) return false\n for (var ch, next = null; ch = stream.peek();) {\n if (ch == "\\\\" && stream.match(/^.$/)) {\n next = cppHook\n break\n } else if (ch == "/" && stream.match(/^\\/[\\/\\*]/, false)) {\n break\n }\n stream.next()\n }\n state.tokenize = next\n return "meta"\n }\n\n function pointerHook(_stream, state) {\n if (state.prevToken == "type") return "type";\n return false;\n }\n\n function cpp14Literal(stream) {\n stream.eatWhile(/[\\w\\.\']/);\n return "number";\n }\n\n function cpp11StringHook(stream, state) {\n stream.backUp(1);\n // Raw strings.\n if (stream.match(/(R|u8R|uR|UR|LR)/)) {\n var match = stream.match(/"([^\\s\\\\()]{0,16})\\(/);\n if (!match) {\n return false;\n }\n state.cpp11RawStringDelim = match[1];\n state.tokenize = tokenRawString;\n return tokenRawString(stream, state);\n }\n // Unicode strings/chars.\n if (stream.match(/(u8|u|U|L)/)) {\n if (stream.match(/["\']/, /* eat */ false)) {\n return "string";\n }\n return false;\n }\n // Ignore this hook.\n stream.next();\n return false;\n }\n\n function cppLooksLikeConstructor(word) {\n var lastTwo = /(\\w+)::~?(\\w+)$/.exec(word);\n return lastTwo && lastTwo[1] == lastTwo[2];\n }\n\n // C#-style strings where "" escapes a quote.\n function tokenAtString(stream, state) {\n var next;\n while ((next = stream.next()) != null) {\n if (next == \'"\' && !stream.eat(\'"\')) {\n state.tokenize = null;\n break;\n }\n }\n return "string";\n }\n\n // C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where\n // <delim> can be a string up to 16 characters long.\n function tokenRawString(stream, state) {\n // Escape characters that have special regex meanings.\n var delim = state.cpp11RawStringDelim.replace(/[^\\w\\s]/g, \'\\\\$&\');\n var match = stream.match(new RegExp(".*?\\\\)" + delim + \'"\'));\n if (match)\n state.tokenize = null;\n else\n stream.skipToEnd();\n return "string";\n }\n\n function def(mimes, mode) {\n if (typeof mimes == "string") mimes = [mimes];\n var words = [];\n function add(obj) {\n if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop))\n words.push(prop);\n }\n add(mode.keywords);\n add(mode.types);\n add(mode.builtin);\n add(mode.atoms);\n if (words.length) {\n mode.helperType = mimes[0];\n CodeMirror.registerHelper("hintWords", mimes[0], words);\n }\n\n for (var i = 0; i < mimes.length; ++i)\n CodeMirror.defineMIME(mimes[i], mode);\n }\n\n def(["text/x-csrc", "text/x-c", "text/x-chdr"], {\n name: "clike",\n keywords: words(cKeywords),\n types: words(cTypes + " bool _Complex _Bool float_t double_t intptr_t intmax_t " +\n "int8_t int16_t int32_t int64_t uintptr_t uintmax_t uint8_t uint16_t " +\n "uint32_t uint64_t"),\n blockKeywords: words("case do else for if switch while struct"),\n defKeywords: words("struct"),\n typeFirstDefinitions: true,\n atoms: words("NULL true false"),\n hooks: {"#": cppHook, "*": pointerHook},\n modeProps: {fold: ["brace", "include"]}\n });\n\n def(["text/x-c++src", "text/x-c++hdr"], {\n name: "clike",\n keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try explicit new " +\n "static_cast typeid catch operator template typename class friend private " +\n "this using const_cast inline public throw virtual delete mutable protected " +\n "alignas alignof constexpr decltype nullptr noexcept thread_local final " +\n "static_assert override"),\n types: words(cTypes + " bool wchar_t"),\n blockKeywords: words("catch class do else finally for if struct switch try while"),\n defKeywords: words("class namespace struct enum union"),\n typeFirstDefinitions: true,\n atoms: words("true false NULL"),\n dontIndentStatements: /^template$/,\n isIdentifierChar: /[\\w\\$_~\\xa1-\\uffff]/,\n hooks: {\n "#": cppHook,\n "*": pointerHook,\n "u": cpp11StringHook,\n "U": cpp11StringHook,\n "L": cpp11StringHook,\n "R": cpp11StringHook,\n "0": cpp14Literal,\n "1": cpp14Literal,\n "2": cpp14Literal,\n "3": cpp14Literal,\n "4": cpp14Literal,\n "5": cpp14Literal,\n "6": cpp14Literal,\n "7": cpp14Literal,\n "8": cpp14Literal,\n "9": cpp14Literal,\n token: function(stream, state, style) {\n if (style == "variable" && stream.peek() == "(" &&\n (state.prevToken == ";" || state.prevToken == null ||\n state.prevToken == "}") &&\n cppLooksLikeConstructor(stream.current()))\n return "def";\n }\n },\n namespaceSeparator: "::",\n modeProps: {fold: ["brace", "include"]}\n });\n\n def("text/x-java", {\n name: "clike",\n keywords: words("abstract assert break case catch class const continue default " +\n "do else enum extends final finally float for goto if implements import " +\n "instanceof interface native new package private protected public " +\n "return static strictfp super switch synchronized this throw throws transient " +\n "try volatile while @interface"),\n types: words("byte short int long float double boolean char void Boolean Byte Character Double Float " +\n "Integer Long Number Object Short String StringBuffer StringBuilder Void"),\n blockKeywords: words("catch class do else finally for if switch try while"),\n defKeywords: words("class interface enum @interface"),\n typeFirstDefinitions: true,\n atoms: words("true false null"),\n number: /^(?:0x[a-f\\d_]+|0b[01_]+|(?:[\\d_]+\\.?\\d*|\\.\\d+)(?:e[-+]?[\\d_]+)?)(u|ll?|l|f)?/i,\n hooks: {\n "@": function(stream) {\n // Don\'t match the @interface keyword.\n if (stream.match(\'interface\', false)) return false;\n\n stream.eatWhile(/[\\w\\$_]/);\n return "meta";\n }\n },\n modeProps: {fold: ["brace", "import"]}\n });\n\n def("text/x-csharp", {\n name: "clike",\n keywords: words("abstract as async await base break case catch checked class const continue" +\n " default delegate do else enum event explicit extern finally fixed for" +\n " foreach goto if implicit in interface internal is lock namespace new" +\n " operator out override params private protected public readonly ref return sealed" +\n " sizeof stackalloc static struct switch this throw try typeof unchecked" +\n " unsafe using virtual void volatile while add alias ascending descending dynamic from get" +\n " global group into join let orderby partial remove select set value var yield"),\n types: words("Action Boolean Byte Char DateTime DateTimeOffset Decimal Double Func" +\n " Guid Int16 Int32 Int64 Object SByte Single String Task TimeSpan UInt16 UInt32" +\n " UInt64 bool byte char decimal double short int long object" +\n " sbyte float string ushort uint ulong"),\n blockKeywords: words("catch class do else finally for foreach if struct switch try while"),\n defKeywords: words("class interface namespace struct var"),\n typeFirstDefinitions: true,\n atoms: words("true false null"),\n hooks: {\n "@": function(stream, state) {\n if (stream.eat(\'"\')) {\n state.tokenize = tokenAtString;\n return tokenAtString(stream, state);\n }\n stream.eatWhile(/[\\w\\$_]/);\n return "meta";\n }\n }\n });\n\n function tokenTripleString(stream, state) {\n var escaped = false;\n while (!stream.eol()) {\n if (!escaped && stream.match(\'"""\')) {\n state.tokenize = null;\n break;\n }\n escaped = stream.next() == "\\\\" && !escaped;\n }\n return "string";\n }\n\n function tokenNestedComment(depth) {\n return function (stream, state) {\n var ch\n while (ch = stream.next()) {\n if (ch == "*" && stream.eat("/")) {\n if (depth == 1) {\n state.tokenize = null\n break\n } else {\n state.tokenize = tokenNestedComment(depth - 1)\n return state.tokenize(stream, state)\n }\n } else if (ch == "/" && stream.eat("*")) {\n state.tokenize = tokenNestedComment(depth + 1)\n return state.tokenize(stream, state)\n }\n }\n return "comment"\n }\n }\n\n def("text/x-scala", {\n name: "clike",\n keywords: words(\n\n /* scala */\n "abstract case catch class def do else extends final finally for forSome if " +\n "implicit import lazy match new null object override package private protected return " +\n "sealed super this throw trait try type val var while with yield _ " +\n\n /* package scala */\n "assert assume require print println printf readLine readBoolean readByte readShort " +\n "readChar readInt readLong readFloat readDouble"\n ),\n types: words(\n "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +\n "Enumeration Equiv Error Exception Fractional Function IndexedSeq Int Integral Iterable " +\n "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +\n "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +\n "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector " +\n\n /* package java.lang */\n "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +\n "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +\n "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +\n "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"\n ),\n multiLineStrings: true,\n blockKeywords: words("catch class enum do else finally for forSome if match switch try while"),\n defKeywords: words("class enum def object package trait type val var"),\n atoms: words("true false null"),\n indentStatements: false,\n indentSwitch: false,\n isOperatorChar: /[+\\-*&%=<>!?|\\/#:@]/,\n hooks: {\n "@": function(stream) {\n stream.eatWhile(/[\\w\\$_]/);\n return "meta";\n },\n \'"\': function(stream, state) {\n if (!stream.match(\'""\')) return false;\n state.tokenize = tokenTripleString;\n return state.tokenize(stream, state);\n },\n "\'": function(stream) {\n stream.eatWhile(/[\\w\\$_\\xa1-\\uffff]/);\n return "atom";\n },\n "=": function(stream, state) {\n var cx = state.context\n if (cx.type == "}" && cx.align && stream.eat(">")) {\n state.context = new Context(cx.indented, cx.column, cx.type, cx.info, null, cx.prev)\n return "operator"\n } else {\n return false\n }\n },\n\n "/": function(stream, state) {\n if (!stream.eat("*")) return false\n state.tokenize = tokenNestedComment(1)\n return state.tokenize(stream, state)\n }\n },\n modeProps: {closeBrackets: {triples: \'"\'}}\n });\n\n function tokenKotlinString(tripleString){\n return function (stream, state) {\n var escaped = false, next, end = false;\n while (!stream.eol()) {\n if (!tripleString && !escaped && stream.match(\'"\') ) {end = true; break;}\n if (tripleString && stream.match(\'"""\')) {end = true; break;}\n next = stream.next();\n if(!escaped && next == "$" && stream.match(\'{\'))\n stream.skipTo("}");\n escaped = !escaped && next == "\\\\" && !tripleString;\n }\n if (end || !tripleString)\n state.tokenize = null;\n return "string";\n }\n }\n\n def("text/x-kotlin", {\n name: "clike",\n keywords: words(\n /*keywords*/\n "package as typealias class interface this super val operator " +\n "var fun for is in This throw return annotation " +\n "break continue object if else while do try when !in !is as? " +\n\n /*soft keywords*/\n "file import where by get set abstract enum open inner override private public internal " +\n "protected catch finally out final vararg reified dynamic companion constructor init " +\n "sealed field property receiver param sparam lateinit data inline noinline tailrec " +\n "external annotation crossinline const operator infix suspend actual expect setparam"\n ),\n types: words(\n /* package java.lang */\n "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +\n "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +\n "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +\n "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void Annotation Any BooleanArray " +\n "ByteArray Char CharArray DeprecationLevel DoubleArray Enum FloatArray Function Int IntArray Lazy " +\n "LazyThreadSafetyMode LongArray Nothing ShortArray Unit"\n ),\n intendSwitch: false,\n indentStatements: false,\n multiLineStrings: true,\n number: /^(?:0x[a-f\\d_]+|0b[01_]+|(?:[\\d_]+(\\.\\d+)?|\\.\\d+)(?:e[-+]?[\\d_]+)?)(u|ll?|l|f)?/i,\n blockKeywords: words("catch class do else finally for if where try while enum"),\n defKeywords: words("class val var object interface fun"),\n atoms: words("true false null this"),\n hooks: {\n \'"\': function(stream, state) {\n state.tokenize = tokenKotlinString(stream.match(\'""\'));\n return state.tokenize(stream, state);\n }\n },\n modeProps: {closeBrackets: {triples: \'"\'}}\n });\n\n def(["x-shader/x-vertex", "x-shader/x-fragment"], {\n name: "clike",\n keywords: words("sampler1D sampler2D sampler3D samplerCube " +\n "sampler1DShadow sampler2DShadow " +\n "const attribute uniform varying " +\n "break continue discard return " +\n "for while do if else struct " +\n "in out inout"),\n types: words("float int bool void " +\n "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +\n "mat2 mat3 mat4"),\n blockKeywords: words("for while do if else struct"),\n builtin: words("radians degrees sin cos tan asin acos atan " +\n "pow exp log exp2 sqrt inversesqrt " +\n "abs sign floor ceil fract mod min max clamp mix step smoothstep " +\n "length distance dot cross normalize ftransform faceforward " +\n "reflect refract matrixCompMult " +\n "lessThan lessThanEqual greaterThan greaterThanEqual " +\n "equal notEqual any all not " +\n "texture1D texture1DProj texture1DLod texture1DProjLod " +\n "texture2D texture2DProj texture2DLod texture2DProjLod " +\n "texture3D texture3DProj texture3DLod texture3DProjLod " +\n "textureCube textureCubeLod " +\n "shadow1D shadow2D shadow1DProj shadow2DProj " +\n "shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod " +\n "dFdx dFdy fwidth " +\n "noise1 noise2 noise3 noise4"),\n atoms: words("true false " +\n "gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex " +\n "gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 " +\n "gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 " +\n "gl_FogCoord gl_PointCoord " +\n "gl_Position gl_PointSize gl_ClipVertex " +\n "gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor " +\n "gl_TexCoord gl_FogFragCoord " +\n "gl_FragCoord gl_FrontFacing " +\n "gl_FragData gl_FragDepth " +\n "gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix " +\n "gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse " +\n "gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse " +\n "gl_TexureMatrixTranspose gl_ModelViewMatrixInverseTranspose " +\n "gl_ProjectionMatrixInverseTranspose " +\n "gl_ModelViewProjectionMatrixInverseTranspose " +\n "gl_TextureMatrixInverseTranspose " +\n "gl_NormalScale gl_DepthRange gl_ClipPlane " +\n "gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel " +\n "gl_FrontLightModelProduct gl_BackLightModelProduct " +\n "gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ " +\n "gl_FogParameters " +\n "gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords " +\n "gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats " +\n "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +\n "gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits " +\n "gl_MaxDrawBuffers"),\n indentSwitch: false,\n hooks: {"#": cppHook},\n modeProps: {fold: ["brace", "include"]}\n });\n\n def("text/x-nesc", {\n name: "clike",\n keywords: words(cKeywords + "as atomic async call command component components configuration event generic " +\n "implementation includes interface module new norace nx_struct nx_union post provides " +\n "signal task uses abstract extends"),\n types: words(cTypes),\n blockKeywords: words("case do else for if switch while struct"),\n atoms: words("null true false"),\n hooks: {"#": cppHook},\n modeProps: {fold: ["brace", "include"]}\n });\n\n def("text/x-objectivec", {\n name: "clike",\n keywords: words(cKeywords + "inline restrict _Bool _Complex _Imaginary BOOL Class bycopy byref id IMP in " +\n "inout nil oneway out Protocol SEL self super atomic nonatomic retain copy readwrite readonly"),\n types: words(cTypes),\n atoms: words("YES NO NULL NILL ON OFF true false"),\n hooks: {\n "@": function(stream) {\n stream.eatWhile(/[\\w\\$]/);\n return "keyword";\n },\n "#": cppHook,\n indent: function(_state, ctx, textAfter) {\n if (ctx.type == "statement" && /^@\\w/.test(textAfter)) return ctx.indented\n }\n },\n modeProps: {fold: "brace"}\n });\n\n def("text/x-squirrel", {\n name: "clike",\n keywords: words("base break clone continue const default delete enum extends function in class" +\n " foreach local resume return this throw typeof yield constructor instanceof static"),\n types: words(cTypes),\n blockKeywords: words("case catch class else for foreach if switch try while"),\n defKeywords: words("function local class"),\n typeFirstDefinitions: true,\n atoms: words("true false null"),\n hooks: {"#": cppHook},\n modeProps: {fold: ["brace", "include"]}\n });\n\n // Ceylon Strings need to deal with interpolation\n var stringTokenizer = null;\n function tokenCeylonString(type) {\n return function(stream, state) {\n var escaped = false, next, end = false;\n while (!stream.eol()) {\n if (!escaped && stream.match(\'"\') &&\n (type == "single" || stream.match(\'""\'))) {\n end = true;\n break;\n }\n if (!escaped && stream.match(\'``\')) {\n stringTokenizer = tokenCeylonString(type);\n end = true;\n break;\n }\n next = stream.next();\n escaped = type == "single" && !escaped && next == "\\\\";\n }\n if (end)\n state.tokenize = null;\n return "string";\n }\n }\n\n def("text/x-ceylon", {\n name: "clike",\n keywords: words("abstracts alias assembly assert assign break case catch class continue dynamic else" +\n " exists extends finally for function given if import in interface is let module new" +\n " nonempty object of out outer package return satisfies super switch then this throw" +\n " try value void while"),\n types: function(word) {\n // In Ceylon all identifiers that start with an uppercase are types\n var first = word.charAt(0);\n return (first === first.toUpperCase() && first !== first.toLowerCase());\n },\n blockKeywords: words("case catch class dynamic else finally for function if interface module new object switch try while"),\n defKeywords: words("class dynamic function interface module object package value"),\n builtin: words("abstract actual aliased annotation by default deprecated doc final formal late license" +\n " native optional sealed see serializable shared suppressWarnings tagged throws variable"),\n isPunctuationChar: /[\\[\\]{}\\(\\),;\\:\\.`]/,\n isOperatorChar: /[+\\-*&%=<>!?|^~:\\/]/,\n numberStart: /[\\d#$]/,\n number: /^(?:#[\\da-fA-F_]+|\\$[01_]+|[\\d_]+[kMGTPmunpf]?|[\\d_]+\\.[\\d_]+(?:[eE][-+]?\\d+|[kMGTPmunpf]|)|)/i,\n multiLineStrings: true,\n typeFirstDefinitions: true,\n atoms: words("true false null larger smaller equal empty finished"),\n indentSwitch: false,\n styleDefs: false,\n hooks: {\n "@": function(stream) {\n stream.eatWhile(/[\\w\\$_]/);\n return "meta";\n },\n \'"\': function(stream, state) {\n state.tokenize = tokenCeylonString(stream.match(\'""\') ? "triple" : "single");\n return state.tokenize(stream, state);\n },\n \'`\': function(stream, state) {\n if (!stringTokenizer || !stream.match(\'`\')) return false;\n state.tokenize = stringTokenizer;\n stringTokenizer = null;\n return state.tokenize(stream, state);\n },\n "\'": function(stream) {\n stream.eatWhile(/[\\w\\$_\\xa1-\\uffff]/);\n return "atom";\n },\n token: function(_stream, state, style) {\n if ((style == "variable" || style == "type") &&\n state.prevToken == ".") {\n return "variable-2";\n }\n }\n },\n modeProps: {\n fold: ["brace", "import"],\n closeBrackets: {triples: \'"\'}\n }\n });\n\n});\n\n\n//# sourceURL=webpack:///./node_modules/codemirror/mode/clike/clike.js?')},"./node_modules/codemirror/mode/css/css.js":function(module,exports,__webpack_require__){eval('// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: http://codemirror.net/LICENSE\n\n(function(mod) {\n if (true) // CommonJS\n mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));\n else {}\n})(function(CodeMirror) {\n"use strict";\n\nCodeMirror.defineMode("css", function(config, parserConfig) {\n var inline = parserConfig.inline\n if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");\n\n var indentUnit = config.indentUnit,\n tokenHooks = parserConfig.tokenHooks,\n documentTypes = parserConfig.documentTypes || {},\n mediaTypes = parserConfig.mediaTypes || {},\n mediaFeatures = parserConfig.mediaFeatures || {},\n mediaValueKeywords = parserConfig.mediaValueKeywords || {},\n propertyKeywords = parserConfig.propertyKeywords || {},\n nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},\n fontProperties = parserConfig.fontProperties || {},\n counterDescriptors = parserConfig.counterDescriptors || {},\n colorKeywords = parserConfig.colorKeywords || {},\n valueKeywords = parserConfig.valueKeywords || {},\n allowNested = parserConfig.allowNested,\n lineComment = parserConfig.lineComment,\n supportsAtComponent = parserConfig.supportsAtComponent === true;\n\n var type, override;\n function ret(style, tp) { type = tp; return style; }\n\n // Tokenizers\n\n function tokenBase(stream, state) {\n var ch = stream.next();\n if (tokenHooks[ch]) {\n var result = tokenHooks[ch](stream, state);\n if (result !== false) return result;\n }\n if (ch == "@") {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret("def", stream.current());\n } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {\n return ret(null, "compare");\n } else if (ch == "\\"" || ch == "\'") {\n state.tokenize = tokenString(ch);\n return state.tokenize(stream, state);\n } else if (ch == "#") {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret("atom", "hash");\n } else if (ch == "!") {\n stream.match(/^\\s*\\w*/);\n return ret("keyword", "important");\n } else if (/\\d/.test(ch) || ch == "." && stream.eat(/\\d/)) {\n stream.eatWhile(/[\\w.%]/);\n return ret("number", "unit");\n } else if (ch === "-") {\n if (/[\\d.]/.test(stream.peek())) {\n stream.eatWhile(/[\\w.%]/);\n return ret("number", "unit");\n } else if (stream.match(/^-[\\w\\\\\\-]+/)) {\n stream.eatWhile(/[\\w\\\\\\-]/);\n if (stream.match(/^\\s*:/, false))\n return ret("variable-2", "variable-definition");\n return ret("variable-2", "variable");\n } else if (stream.match(/^\\w+-/)) {\n return ret("meta", "meta");\n }\n } else if (/[,+>*\\/]/.test(ch)) {\n return ret(null, "select-op");\n } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {\n return ret("qualifier", "qualifier");\n } else if (/[:;{}\\[\\]\\(\\)]/.test(ch)) {\n return ret(null, ch);\n } else if (((ch == "u" || ch == "U") && stream.match(/rl(-prefix)?\\(/i)) ||\n ((ch == "d" || ch == "D") && stream.match("omain(", true, true)) ||\n ((ch == "r" || ch == "R") && stream.match("egexp(", true, true))) {\n stream.backUp(1);\n state.tokenize = tokenParenthesized;\n return ret("property", "word");\n } else if (/[\\w\\\\\\-]/.test(ch)) {\n stream.eatWhile(/[\\w\\\\\\-]/);\n return ret("property", "word");\n } else {\n return ret(null, null);\n }\n }\n\n function tokenString(quote) {\n return function(stream, state) {\n var escaped = false, ch;\n while ((ch = stream.next()) != null) {\n if (ch == quote && !escaped) {\n if (quote == ")") stream.backUp(1);\n break;\n }\n escaped = !escaped && ch == "\\\\";\n }\n if (ch == quote || !escaped && quote != ")") state.tokenize = null;\n return ret("string", "string");\n };\n }\n\n function tokenParenthesized(stream, state) {\n stream.next(); // Must be \'(\'\n if (!stream.match(/\\s*[\\"\\\')]/, false))\n state.tokenize = tokenString(")");\n else\n state.tokenize = null;\n return ret(null, "(");\n }\n\n // Context management\n\n function Context(type, indent, prev) {\n this.type = type;\n this.indent = indent;\n this.prev = prev;\n }\n\n function pushContext(state, stream, type, indent) {\n state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);\n return type;\n }\n\n function popContext(state) {\n if (state.context.prev)\n state.context = state.context.prev;\n return state.context.type;\n }\n\n function pass(type, stream, state) {\n return states[state.context.type](type, stream, state);\n }\n function popAndPass(type, stream, state, n) {\n for (var i = n || 1; i > 0; i--)\n state.context = state.context.prev;\n return pass(type, stream, state);\n }\n\n // Parser\n\n function wordAsValue(stream) {\n var word = stream.current().toLowerCase();\n if (valueKeywords.hasOwnProperty(word))\n override = "atom";\n else if (colorKeywords.hasOwnProperty(word))\n override = "keyword";\n else\n override = "variable";\n }\n\n var states = {};\n\n states.top = function(type, stream, state) {\n if (type == "{") {\n return pushContext(state, stream, "block");\n } else if (type == "}" && state.context.prev) {\n return popContext(state);\n } else if (supportsAtComponent && /@component/i.test(type)) {\n return pushContext(state, stream, "atComponentBlock");\n } else if (/^@(-moz-)?document$/i.test(type)) {\n return pushContext(state, stream, "documentTypes");\n } else if (/^@(media|supports|(-moz-)?document|import)$/i.test(type)) {\n return pushContext(state, stream, "atBlock");\n } else if (/^@(font-face|counter-style)/i.test(type)) {\n state.stateArg = type;\n return "restricted_atBlock_before";\n } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/i.test(type)) {\n return "keyframes";\n } else if (type && type.charAt(0) == "@") {\n return pushContext(state, stream, "at");\n } else if (type == "hash") {\n override = "builtin";\n } else if (type == "word") {\n override = "tag";\n } else if (type == "variable-definition") {\n return "maybeprop";\n } else if (type == "interpolation") {\n return pushContext(state, stream, "interpolation");\n } else if (type == ":") {\n return "pseudo";\n } else if (allowNested && type == "(") {\n return pushContext(state, stream, "parens");\n }\n return state.context.type;\n };\n\n states.block = function(type, stream, state) {\n if (type == "word") {\n var word = stream.current().toLowerCase();\n if (propertyKeywords.hasOwnProperty(word)) {\n override = "property";\n return "maybeprop";\n } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {\n override = "string-2";\n return "maybeprop";\n } else if (allowNested) {\n override = stream.match(/^\\s*:(?:\\s|$)/, false) ? "property" : "tag";\n return "block";\n } else {\n override += " error";\n return "maybeprop";\n }\n } else if (type == "meta") {\n return "block";\n } else if (!allowNested && (type == "hash" || type == "qualifier")) {\n override = "error";\n return "block";\n } else {\n return states.top(type, stream, state);\n }\n };\n\n states.maybeprop = function(type, stream, state) {\n if (type == ":") return pushContext(state, stream, "prop");\n return pass(type, stream, state);\n };\n\n states.prop = function(type, stream, state) {\n if (type == ";") return popContext(state);\n if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");\n if (type == "}" || type == "{") return popAndPass(type, stream, state);\n if (type == "(") return pushContext(state, stream, "parens");\n\n if (type == "hash" && !/^#([0-9a-fA-f]{3,4}|[0-9a-fA-f]{6}|[0-9a-fA-f]{8})$/.test(stream.current())) {\n override += " error";\n } else if (type == "word") {\n wordAsValue(stream);\n } else if (type == "interpolation") {\n return pushContext(state, stream, "interpolation");\n }\n return "prop";\n };\n\n states.propBlock = function(type, _stream, state) {\n if (type == "}") return popContext(state);\n if (type == "word") { override = "property"; return "maybeprop"; }\n return state.context.type;\n };\n\n states.parens = function(type, stream, state) {\n if (type == "{" || type == "}") return popAndPass(type, stream, state);\n if (type == ")") return popContext(state);\n if (type == "(") return pushContext(state, stream, "parens");\n if (type == "interpolation") return pushContext(state, stream, "interpolation");\n if (type == "word") wordAsValue(stream);\n return "parens";\n };\n\n states.pseudo = function(type, stream, state) {\n if (type == "meta") return "pseudo";\n\n if (type == "word") {\n override = "variable-3";\n return state.context.type;\n }\n return pass(type, stream, state);\n };\n\n states.documentTypes = function(type, stream, state) {\n if (type == "word" && documentTypes.hasOwnProperty(stream.current())) {\n override = "tag";\n return state.context.type;\n } else {\n return states.atBlock(type, stream, state);\n }\n };\n\n states.atBlock = function(type, stream, state) {\n if (type == "(") return pushContext(state, stream, "atBlock_parens");\n if (type == "}" || type == ";") return popAndPass(type, stream, state);\n if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");\n\n if (type == "interpolation") return pushContext(state, stream, "interpolation");\n\n if (type == "word") {\n var word = stream.current().toLowerCase();\n if (word == "only" || word == "not" || word == "and" || word == "or")\n override = "keyword";\n else if (mediaTypes.hasOwnProperty(word))\n override = "attribute";\n else if (mediaFeatures.hasOwnProperty(word))\n override = "property";\n else if (mediaValueKeywords.hasOwnProperty(word))\n override = "keyword";\n else if (propertyKeywords.hasOwnProperty(word))\n override = "property";\n else if (nonStandardPropertyKeywords.hasOwnProperty(word))\n override = "string-2";\n else if (valueKeywords.hasOwnProperty(word))\n override = "atom";\n else if (colorKeywords.hasOwnProperty(word))\n override = "keyword";\n else\n override = "error";\n }\n return state.context.type;\n };\n\n states.atComponentBlock = function(type, stream, state) {\n if (type == "}")\n return popAndPass(type, stream, state);\n if (type == "{")\n return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false);\n if (type == "word")\n override = "error";\n return state.context.type;\n };\n\n states.atBlock_parens = function(type, stream, state) {\n if (type == ")") return popContext(state);\n if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);\n return states.atBlock(type, stream, state);\n };\n\n states.restricted_atBlock_before = function(type, stream, state) {\n if (type == "{")\n return pushContext(state, stream, "restricted_atBlock");\n if (type == "word" && state.stateArg == "@counter-style") {\n override = "variable";\n return "restricted_atBlock_before";\n }\n return pass(type, stream, state);\n };\n\n states.restricted_atBlock = function(type, stream, state) {\n if (type == "}") {\n state.stateArg = null;\n return popContext(state);\n }\n if (type == "word") {\n if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||\n (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))\n override = "error";\n else\n override = "property";\n return "maybeprop";\n }\n return "restricted_atBlock";\n };\n\n states.keyframes = function(type, stream, state) {\n if (type == "word") { override = "variable"; return "keyframes"; }\n if (type == "{") return pushContext(state, stream, "top");\n return pass(type, stream, state);\n };\n\n states.at = function(type, stream, state) {\n if (type == ";") return popContext(state);\n if (type == "{" || type == "}") return popAndPass(type, stream, state);\n if (type == "word") override = "tag";\n else if (type == "hash") override = "builtin";\n return "at";\n };\n\n states.interpolation = function(type, stream, state) {\n if (type == "}") return popContext(state);\n if (type == "{" || type == ";") return popAndPass(type, stream, state);\n if (type == "word") override = "variable";\n else if (type != "variable" && type != "(" && type != ")") override = "error";\n return "interpolation";\n };\n\n return {\n startState: function(base) {\n return {tokenize: null,\n state: inline ? "block" : "top",\n stateArg: null,\n context: new Context(inline ? "block" : "top", base || 0, null)};\n },\n\n token: function(stream, state) {\n if (!state.tokenize && stream.eatSpace()) return null;\n var style = (state.tokenize || tokenBase)(stream, state);\n if (style && typeof style == "object") {\n type = style[1];\n style = style[0];\n }\n override = style;\n if (type != "comment")\n state.state = states[state.state](type, stream, state);\n return override;\n },\n\n indent: function(state, textAfter) {\n var cx = state.context, ch = textAfter && textAfter.charAt(0);\n var indent = cx.indent;\n if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;\n if (cx.prev) {\n if (ch == "}" && (cx.type == "block" || cx.type == "top" ||\n cx.type == "interpolation" || cx.type == "restricted_atBlock")) {\n // Resume indentation from parent context.\n cx = cx.prev;\n indent = cx.indent;\n } else if (ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||\n ch == "{" && (cx.type == "at" || cx.type == "atBlock")) {\n // Dedent relative to current context.\n indent = Math.max(0, cx.indent - indentUnit);\n }\n }\n return indent;\n },\n\n electricChars: "}",\n blockCommentStart: "/*",\n blockCommentEnd: "*/",\n blockCommentContinue: " * ",\n lineComment: lineComment,\n fold: "brace"\n };\n});\n\n function keySet(array) {\n var keys = {};\n for (var i = 0; i < array.length; ++i) {\n keys[array[i].toLowerCase()] = true;\n }\n return keys;\n }\n\n var documentTypes_ = [\n "domain", "regexp", "url", "url-prefix"\n ], documentTypes = keySet(documentTypes_);\n\n var mediaTypes_ = [\n "all", "aural", "braille", "handheld", "print", "projection", "screen",\n "tty", "tv", "embossed"\n ], mediaTypes = keySet(mediaTypes_);\n\n var mediaFeatures_ = [\n "width", "min-width", "max-width", "height", "min-height", "max-height",\n "device-width", "min-device-width", "max-device-width", "device-height",\n "min-device-height", "max-device-height", "aspect-ratio",\n "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",\n "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",\n "max-color", "color-index", "min-color-index", "max-color-index",\n "monochrome", "min-monochrome", "max-monochrome", "resolution",\n "min-resolution", "max-resolution", "scan", "grid", "orientation",\n "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",\n "pointer", "any-pointer", "hover", "any-hover"\n ], mediaFeatures = keySet(mediaFeatures_);\n\n var mediaValueKeywords_ = [\n "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",\n "interlace", "progressive"\n ], mediaValueKeywords = keySet(mediaValueKeywords_);\n\n var propertyKeywords_ = [\n "align-content", "align-items", "align-self", "alignment-adjust",\n "alignment-baseline", "anchor-point", "animation", "animation-delay",\n "animation-direction", "animation-duration", "animation-fill-mode",\n "animation-iteration-count", "animation-name", "animation-play-state",\n "animation-timing-function", "appearance", "azimuth", "backface-visibility",\n "background", "background-attachment", "background-blend-mode", "background-clip",\n "background-color", "background-image", "background-origin", "background-position",\n "background-repeat", "background-size", "baseline-shift", "binding",\n "bleed", "bookmark-label", "bookmark-level", "bookmark-state",\n "bookmark-target", "border", "border-bottom", "border-bottom-color",\n "border-bottom-left-radius", "border-bottom-right-radius",\n "border-bottom-style", "border-bottom-width", "border-collapse",\n "border-color", "border-image", "border-image-outset",\n "border-image-repeat", "border-image-slice", "border-image-source",\n "border-image-width", "border-left", "border-left-color",\n "border-left-style", "border-left-width", "border-radius", "border-right",\n "border-right-color", "border-right-style", "border-right-width",\n "border-spacing", "border-style", "border-top", "border-top-color",\n "border-top-left-radius", "border-top-right-radius", "border-top-style",\n "border-top-width", "border-width", "bottom", "box-decoration-break",\n "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",\n "caption-side", "caret-color", "clear", "clip", "color", "color-profile", "column-count",\n "column-fill", "column-gap", "column-rule", "column-rule-color",\n "column-rule-style", "column-rule-width", "column-span", "column-width",\n "columns", "content", "counter-increment", "counter-reset", "crop", "cue",\n "cue-after", "cue-before", "cursor", "direction", "display",\n "dominant-baseline", "drop-initial-after-adjust",\n "drop-initial-after-align", "drop-initial-before-adjust",\n "drop-initial-before-align", "drop-initial-size", "drop-initial-value",\n "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",\n "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",\n "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",\n "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",\n "font-stretch", "font-style", "font-synthesis", "font-variant",\n "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",\n "font-variant-ligatures", "font-variant-numeric", "font-variant-position",\n "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",\n "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-gap",\n "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-gap",\n "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns",\n "grid-template-rows", "hanging-punctuation", "height", "hyphens",\n "icon", "image-orientation", "image-rendering", "image-resolution",\n "inline-box-align", "justify-content", "justify-items", "justify-self", "left", "letter-spacing",\n "line-break", "line-height", "line-stacking", "line-stacking-ruby",\n "line-stacking-shift", "line-stacking-strategy", "list-style",\n "list-style-image", "list-style-position", "list-style-type", "margin",\n "margin-bottom", "margin-left", "margin-right", "margin-top",\n "marks", "marquee-direction", "marquee-loop",\n "marquee-play-count", "marquee-speed", "marquee-style", "max-height",\n "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",\n "nav-left", "nav-right", "nav-up", "object-fit", "object-position",\n "opacity", "order", "orphans", "outline",\n "outline-color", "outline-offset", "outline-style", "outline-width",\n "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",\n "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",\n "page", "page-break-after", "page-break-before", "page-brea |