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JSLint, The JavaScript Code Quality and Coverage Tool
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JavaScript
/*jslint-disable*/
/*
shRollupFetch
{
"fetchList": [
{
"comment": true,
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/LICENSE"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/codemirror.js",
"url2": "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.10/codemirror.js"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/addon/edit/matchbrackets.js"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/addon/edit/trailingspace.js"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/addon/lint/lint.js"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/addon/selection/active-line.js"
},
{
"url": "https://github.com/codemirror/codemirror5/blob/5.65.10/mode/javascript/javascript.js"
}
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"replaceList": []
}
*/
/*
repo https://github.com/codemirror/codemirror5/tree/5.65.10
committed 2022-11-20T15:35:33Z
*/
/*
file https://github.com/codemirror/codemirror5/blob/5.65.10/LICENSE
*/
/*
MIT License
Copyright (C) 2017 by Marijn Haverbeke <marijnh@gmail.com> and others
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/*
file https://github.com/codemirror/codemirror5/blob/5.65.10/codemirror.js
*/
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
// This is CodeMirror (https://codemirror.net/5), a code editor
// implemented in JavaScript on top of the browser's DOM.
//
// You can find some technical background for some of the code below
// at http://marijnhaverbeke.nl/blog/#cm-internals .
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.CodeMirror = factory());
}(this, (function () { 'use strict';
// Kludges for bugs and behavior differences that can't be feature
// detected are enabled based on userAgent etc sniffing.
var userAgent = navigator.userAgent;
var platform = navigator.platform;
var gecko = /gecko\/\d/i.test(userAgent);
var ie_upto10 = /MSIE \d/.test(userAgent);
var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
var edge = /Edge\/(\d+)/.exec(userAgent);
var ie = ie_upto10 || ie_11up || edge;
var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
var webkit = !edge && /WebKit\//.test(userAgent);
var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
var chrome = !edge && /Chrome\/(\d+)/.exec(userAgent);
var chrome_version = chrome && +chrome[1];
var presto = /Opera\//.test(userAgent);
var safari = /Apple Computer/.test(navigator.vendor);
var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
var phantom = /PhantomJS/.test(userAgent);
var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2);
var android = /Android/.test(userAgent);
// This is woefully incomplete. Suggestions for alternative methods welcome.
var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
var mac = ios || /Mac/.test(platform);
var chromeOS = /\bCrOS\b/.test(userAgent);
var windows = /win/i.test(platform);
var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
if (presto_version) { presto_version = Number(presto_version[1]); }
if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
var captureRightClick = gecko || (ie && ie_version >= 9);
function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
var rmClass = function(node, cls) {
var current = node.className;
var match = classTest(cls).exec(current);
if (match) {
var after = current.slice(match.index + match[0].length);
node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
}
};
function removeChildren(e) {
for (var count = e.childNodes.length; count > 0; --count)
{ e.removeChild(e.firstChild); }
return e
}
function removeChildrenAndAdd(parent, e) {
return removeChildren(parent).appendChild(e)
}
function elt(tag, content, className, style) {
var e = document.createElement(tag);
if (className) { e.className = className; }
if (style) { e.style.cssText = style; }
if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
return e
}
// wrapper for elt, which removes the elt from the accessibility tree
function eltP(tag, content, className, style) {
var e = elt(tag, content, className, style);
e.setAttribute("role", "presentation");
return e
}
var range;
if (document.createRange) { range = function(node, start, end, endNode) {
var r = document.createRange();
r.setEnd(endNode || node, end);
r.setStart(node, start);
return r
}; }
else { range = function(node, start, end) {
var r = document.body.createTextRange();
try { r.moveToElementText(node.parentNode); }
catch(e) { return r }
r.collapse(true);
r.moveEnd("character", end);
r.moveStart("character", start);
return r
}; }
function contains(parent, child) {
if (child.nodeType == 3) // Android browser always returns false when child is a textnode
{ child = child.parentNode; }
if (parent.contains)
{ return parent.contains(child) }
do {
if (child.nodeType == 11) { child = child.host; }
if (child == parent) { return true }
} while (child = child.parentNode)
}
function activeElt(doc) {
// IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
// IE < 10 will throw when accessed while the page is loading or in an iframe.
// IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
var activeElement;
try {
activeElement = doc.activeElement;
} catch(e) {
activeElement = doc.body || null;
}
while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
{ activeElement = activeElement.shadowRoot.activeElement; }
return activeElement
}
function addClass(node, cls) {
var current = node.className;
if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
}
function joinClasses(a, b) {
var as = a.split(" ");
for (var i = 0; i < as.length; i++)
{ if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
return b
}
var selectInput = function(node) { node.select(); };
if (ios) // Mobile Safari apparently has a bug where select() is broken.
{ selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
else if (ie) // Suppress mysterious IE10 errors
{ selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
function doc(cm) { return cm.display.wrapper.ownerDocument }
function win(cm) { return doc(cm).defaultView }
function bind(f) {
var args = Array.prototype.slice.call(arguments, 1);
return function(){return f.apply(null, args)}
}
function copyObj(obj, target, overwrite) {
if (!target) { target = {}; }
for (var prop in obj)
{ if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
{ target[prop] = obj[prop]; } }
return target
}
// Counts the column offset in a string, taking tabs into account.
// Used mostly to find indentation.
function countColumn(string, end, tabSize, startIndex, startValue) {
if (end == null) {
end = string.search(/[^\s\u00a0]/);
if (end == -1) { end = string.length; }
}
for (var i = startIndex || 0, n = startValue || 0;;) {
var nextTab = string.indexOf("\t", i);
if (nextTab < 0 || nextTab >= end)
{ return n + (end - i) }
n += nextTab - i;
n += tabSize - (n % tabSize);
i = nextTab + 1;
}
}
var Delayed = function() {
this.id = null;
this.f = null;
this.time = 0;
this.handler = bind(this.onTimeout, this);
};
Delayed.prototype.onTimeout = function (self) {
self.id = 0;
if (self.time <= +new Date) {
self.f();
} else {
setTimeout(self.handler, self.time - +new Date);
}
};
Delayed.prototype.set = function (ms, f) {
this.f = f;
var time = +new Date + ms;
if (!this.id || time < this.time) {
clearTimeout(this.id);
this.id = setTimeout(this.handler, ms);
this.time = time;
}
};
function indexOf(array, elt) {
for (var i = 0; i < array.length; ++i)
{ if (array[i] == elt) { return i } }
return -1
}
// Number of pixels added to scroller and sizer to hide scrollbar
var scrollerGap = 50;
// Returned or thrown by various protocols to signal 'I'm not
// handling this'.
var Pass = {toString: function(){return "CodeMirror.Pass"}};
// Reused option objects for setSelection & friends
var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
// The inverse of countColumn -- find the offset that corresponds to
// a particular column.
function findColumn(string, goal, tabSize) {
for (var pos = 0, col = 0;;) {
var nextTab = string.indexOf("\t", pos);
if (nextTab == -1) { nextTab = string.length; }
var skipped = nextTab - pos;
if (nextTab == string.length || col + skipped >= goal)
{ return pos + Math.min(skipped, goal - col) }
col += nextTab - pos;
col += tabSize - (col % tabSize);
pos = nextTab + 1;
if (col >= goal) { return pos }
}
}
var spaceStrs = [""];
function spaceStr(n) {
while (spaceStrs.length <= n)
{ spaceStrs.push(lst(spaceStrs) + " "); }
return spaceStrs[n]
}
function lst(arr) { return arr[arr.length-1] }
function map(array, f) {
var out = [];
for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
return out
}
function insertSorted(array, value, score) {
var pos = 0, priority = score(value);
while (pos < array.length && score(array[pos]) <= priority) { pos++; }
array.splice(pos, 0, value);
}
function nothing() {}
function createObj(base, props) {
var inst;
if (Object.create) {
inst = Object.create(base);
} else {
nothing.prototype = base;
inst = new nothing();
}
if (props) { copyObj(props, inst); }
return inst
}
var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
function isWordCharBasic(ch) {
return /\w/.test(ch) || ch > "\x80" &&
(ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
}
function isWordChar(ch, helper) {
if (!helper) { return isWordCharBasic(ch) }
if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
return helper.test(ch)
}
function isEmpty(obj) {
for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
return true
}
// Extending unicode characters. A series of a non-extending char +
// any number of extending chars is treated as a single unit as far
// as editing and measuring is concerned. This is not fully correct,
// since some scripts/fonts/browsers also treat other configurations
// of code points as a group.
var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
function skipExtendingChars(str, pos, dir) {
while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
return pos
}
// Returns the value from the range [`from`; `to`] that satisfies
// `pred` and is closest to `from`. Assumes that at least `to`
// satisfies `pred`. Supports `from` being greater than `to`.
function findFirst(pred, from, to) {
// At any point we are certain `to` satisfies `pred`, don't know
// whether `from` does.
var dir = from > to ? -1 : 1;
for (;;) {
if (from == to) { return from }
var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
if (mid == from) { return pred(mid) ? from : to }
if (pred(mid)) { to = mid; }
else { from = mid + dir; }
}
}
// BIDI HELPERS
function iterateBidiSections(order, from, to, f) {
if (!order) { return f(from, to, "ltr", 0) }
var found = false;
for (var i = 0; i < order.length; ++i) {
var part = order[i];
if (part.from < to && part.to > from || from == to && part.to == from) {
f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
found = true;
}
}
if (!found) { f(from, to, "ltr"); }
}
var bidiOther = null;
function getBidiPartAt(order, ch, sticky) {
var found;
bidiOther = null;
for (var i = 0; i < order.length; ++i) {
var cur = order[i];
if (cur.from < ch && cur.to > ch) { return i }
if (cur.to == ch) {
if (cur.from != cur.to && sticky == "before") { found = i; }
else { bidiOther = i; }
}
if (cur.from == ch) {
if (cur.from != cur.to && sticky != "before") { found = i; }
else { bidiOther = i; }
}
}
return found != null ? found : bidiOther
}
// Bidirectional ordering algorithm
// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
// that this (partially) implements.
// One-char codes used for character types:
// L (L): Left-to-Right
// R (R): Right-to-Left
// r (AL): Right-to-Left Arabic
// 1 (EN): European Number
// + (ES): European Number Separator
// % (ET): European Number Terminator
// n (AN): Arabic Number
// , (CS): Common Number Separator
// m (NSM): Non-Spacing Mark
// b (BN): Boundary Neutral
// s (B): Paragraph Separator
// t (S): Segment Separator
// w (WS): Whitespace
// N (ON): Other Neutrals
// Returns null if characters are ordered as they appear
// (left-to-right), or an array of sections ({from, to, level}
// objects) in the order in which they occur visually.
var bidiOrdering = (function() {
// Character types for codepoints 0 to 0xff
var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
// Character types for codepoints 0x600 to 0x6f9
var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
function charType(code) {
if (code <= 0xf7) { return lowTypes.charAt(code) }
else if (0x590 <= code && code <= 0x5f4) { return "R" }
else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
else if (0x6ee <= code && code <= 0x8ac) { return "r" }
else if (0x2000 <= code && code <= 0x200b) { return "w" }
else if (code == 0x200c) { return "b" }
else { return "L" }
}
var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
function BidiSpan(level, from, to) {
this.level = level;
this.from = from; this.to = to;
}
return function(str, direction) {
var outerType = direction == "ltr" ? "L" : "R";
if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
var len = str.length, types = [];
for (var i = 0; i < len; ++i)
{ types.push(charType(str.charCodeAt(i))); }
// W1. Examine each non-spacing mark (NSM) in the level run, and
// change the type of the NSM to the type of the previous
// character. If the NSM is at the start of the level run, it will
// get the type of sor.
for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
var type = types[i$1];
if (type == "m") { types[i$1] = prev; }
else { prev = type; }
}
// W2. Search backwards from each instance of a European number
// until the first strong type (R, L, AL, or sor) is found. If an
// AL is found, change the type of the European number to Arabic
// number.
// W3. Change all ALs to R.
for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
var type$1 = types[i$2];
if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
}
// W4. A single European separator between two European numbers
// changes to a European number. A single common separator between
// two numbers of the same type changes to that type.
for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
var type$2 = types[i$3];
if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
else if (type$2 == "," && prev$1 == types[i$3+1] &&
(prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
prev$1 = type$2;
}
// W5. A sequence of European terminators adjacent to European
// numbers changes to all European numbers.
// W6. Otherwise, separators and terminators change to Other
// Neutral.
for (var i$4 = 0; i$4 < len; ++i$4) {
var type$3 = types[i$4];
if (type$3 == ",") { types[i$4] = "N"; }
else if (type$3 == "%") {
var end = (void 0);
for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
for (var j = i$4; j < end; ++j) { types[j] = replace; }
i$4 = end - 1;
}
}
// W7. Search backwards from each instance of a European number
// until the first strong type (R, L, or sor) is found. If an L is
// found, then change the type of the European number to L.
for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
var type$4 = types[i$5];
if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
else if (isStrong.test(type$4)) { cur$1 = type$4; }
}
// N1. A sequence of neutrals takes the direction of the
// surrounding strong text if the text on both sides has the same
// direction. European and Arabic numbers act as if they were R in
// terms of their influence on neutrals. Start-of-level-run (sor)
// and end-of-level-run (eor) are used at level run boundaries.
// N2. Any remaining neutrals take the embedding direction.
for (var i$6 = 0; i$6 < len; ++i$6) {
if (isNeutral.test(types[i$6])) {
var end$1 = (void 0);
for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
var before = (i$6 ? types[i$6-1] : outerType) == "L";
var after = (end$1 < len ? types[end$1] : outerType) == "L";
var replace$1 = before == after ? (before ? "L" : "R") : outerType;
for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
i$6 = end$1 - 1;
}
}
// Here we depart from the documented algorithm, in order to avoid
// building up an actual levels array. Since there are only three
// levels (0, 1, 2) in an implementation that doesn't take
// explicit embedding into account, we can build up the order on
// the fly, without following the level-based algorithm.
var order = [], m;
for (var i$7 = 0; i$7 < len;) {
if (countsAsLeft.test(types[i$7])) {
var start = i$7;
for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
order.push(new BidiSpan(0, start, i$7));
} else {
var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0;
for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
for (var j$2 = pos; j$2 < i$7;) {
if (countsAsNum.test(types[j$2])) {
if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; }
var nstart = j$2;
for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
order.splice(at, 0, new BidiSpan(2, nstart, j$2));
at += isRTL;
pos = j$2;
} else { ++j$2; }
}
if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
}
}
if (direction == "ltr") {
if (order[0].level == 1 && (m = str.match(/^\s+/))) {
order[0].from = m[0].length;
order.unshift(new BidiSpan(0, 0, m[0].length));
}
if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
lst(order).to -= m[0].length;
order.push(new BidiSpan(0, len - m[0].length, len));
}
}
return direction == "rtl" ? order.reverse() : order
}
})();
// Get the bidi ordering for the given line (and cache it). Returns
// false for lines that are fully left-to-right, and an array of
// BidiSpan objects otherwise.
function getOrder(line, direction) {
var order = line.order;
if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
return order
}
// EVENT HANDLING
// Lightweight event framework. on/off also work on DOM nodes,
// registering native DOM handlers.
var noHandlers = [];
var on = function(emitter, type, f) {
if (emitter.addEventListener) {
emitter.addEventListener(type, f, false);
} else if (emitter.attachEvent) {
emitter.attachEvent("on" + type, f);
} else {
var map = emitter._handlers || (emitter._handlers = {});
map[type] = (map[type] || noHandlers).concat(f);
}
};
function getHandlers(emitter, type) {
return emitter._handlers && emitter._handlers[type] || noHandlers
}
function off(emitter, type, f) {
if (emitter.removeEventListener) {
emitter.removeEventListener(type, f, false);
} else if (emitter.detachEvent) {
emitter.detachEvent("on" + type, f);
} else {
var map = emitter._handlers, arr = map && map[type];
if (arr) {
var index = indexOf(arr, f);
if (index > -1)
{ map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
}
}
}
function signal(emitter, type /*, values...*/) {
var handlers = getHandlers(emitter, type);
if (!handlers.length) { return }
var args = Array.prototype.slice.call(arguments, 2);
for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
}
// The DOM events that CodeMirror handles can be overridden by
// registering a (non-DOM) handler on the editor for the event name,
// and preventDefault-ing the event in that handler.
function signalDOMEvent(cm, e, override) {
if (typeof e == "string")
{ e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
signal(cm, override || e.type, cm, e);
return e_defaultPrevented(e) || e.codemirrorIgnore
}
function signalCursorActivity(cm) {
var arr = cm._handlers && cm._handlers.cursorActivity;
if (!arr) { return }
var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
{ set.push(arr[i]); } }
}
function hasHandler(emitter, type) {
return getHandlers(emitter, type).length > 0
}
// Add on and off methods to a constructor's prototype, to make
// registering events on such objects more convenient.
function eventMixin(ctor) {
ctor.prototype.on = function(type, f) {on(this, type, f);};
ctor.prototype.off = function(type, f) {off(this, type, f);};
}
// Due to the fact that we still support jurassic IE versions, some
// compatibility wrappers are needed.
function e_preventDefault(e) {
if (e.preventDefault) { e.preventDefault(); }
else { e.returnValue = false; }
}
function e_stopPropagation(e) {
if (e.stopPropagation) { e.stopPropagation(); }
else { e.cancelBubble = true; }
}
function e_defaultPrevented(e) {
return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
}
function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
function e_target(e) {return e.target || e.srcElement}
function e_button(e) {
var b = e.which;
if (b == null) {
if (e.button & 1) { b = 1; }
else if (e.button & 2) { b = 3; }
else if (e.button & 4) { b = 2; }
}
if (mac && e.ctrlKey && b == 1) { b = 3; }
return b
}
// Detect drag-and-drop
var dragAndDrop = function() {
// There is *some* kind of drag-and-drop support in IE6-8, but I
// couldn't get it to work yet.
if (ie && ie_version < 9) { return false }
var div = elt('div');
return "draggable" in div || "dragDrop" in div
}();
var zwspSupported;
function zeroWidthElement(measure) {
if (zwspSupported == null) {
var test = elt("span", "\u200b");
removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
if (measure.firstChild.offsetHeight != 0)
{ zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
}
var node = zwspSupported ? elt("span", "\u200b") :
elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
node.setAttribute("cm-text", "");
return node
}
// Feature-detect IE's crummy client rect reporting for bidi text
var badBidiRects;
function hasBadBidiRects(measure) {
if (badBidiRects != null) { return badBidiRects }
var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
var r0 = range(txt, 0, 1).getBoundingClientRect();
var r1 = range(txt, 1, 2).getBoundingClientRect();
removeChildren(measure);
if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
return badBidiRects = (r1.right - r0.right < 3)
}
// See if "".split is the broken IE version, if so, provide an
// alternative way to split lines.
var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
var pos = 0, result = [], l = string.length;
while (pos <= l) {
var nl = string.indexOf("\n", pos);
if (nl == -1) { nl = string.length; }
var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
var rt = line.indexOf("\r");
if (rt != -1) {
result.push(line.slice(0, rt));
pos += rt + 1;
} else {
result.push(line);
pos = nl + 1;
}
}
return result
} : function (string) { return string.split(/\r\n?|\n/); };
var hasSelection = window.getSelection ? function (te) {
try { return te.selectionStart != te.selectionEnd }
catch(e) { return false }
} : function (te) {
var range;
try {range = te.ownerDocument.selection.createRange();}
catch(e) {}
if (!range || range.parentElement() != te) { return false }
return range.compareEndPoints("StartToEnd", range) != 0
};
var hasCopyEvent = (function () {
var e = elt("div");
if ("oncopy" in e) { return true }
e.setAttribute("oncopy", "return;");
return typeof e.oncopy == "function"
})();
var badZoomedRects = null;
function hasBadZoomedRects(measure) {
if (badZoomedRects != null) { return badZoomedRects }
var node = removeChildrenAndAdd(measure, elt("span", "x"));
var normal = node.getBoundingClientRect();
var fromRange = range(node, 0, 1).getBoundingClientRect();
return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
}
// Known modes, by name and by MIME
var modes = {}, mimeModes = {};
// Extra arguments are stored as the mode's dependencies, which is
// used by (legacy) mechanisms like loadmode.js to automatically
// load a mode. (Preferred mechanism is the require/define calls.)
function defineMode(name, mode) {
if (arguments.length > 2)
{ mode.dependencies = Array.prototype.slice.call(arguments, 2); }
modes[name] = mode;
}
function defineMIME(mime, spec) {
mimeModes[mime] = spec;
}
// Given a MIME type, a {name, ...options} config object, or a name
// string, return a mode config object.
function resolveMode(spec) {
if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
spec = mimeModes[spec];
} else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
var found = mimeModes[spec.name];
if (typeof found == "string") { found = {name: found}; }
spec = createObj(found, spec);
spec.name = found.name;
} else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
return resolveMode("application/xml")
} else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
return resolveMode("application/json")
}
if (typeof spec == "string") { return {name: spec} }
else { return spec || {name: "null"} }
}
// Given a mode spec (anything that resolveMode accepts), find and
// initialize an actual mode object.
function getMode(options, spec) {
spec = resolveMode(spec);
var mfactory = modes[spec.name];
if (!mfactory) { return getMode(options, "text/plain") }
var modeObj = mfactory(options, spec);
if (modeExtensions.hasOwnProperty(spec.name)) {
var exts = modeExtensions[spec.name];
for (var prop in exts) {
if (!exts.hasOwnProperty(prop)) { continue }
if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
modeObj[prop] = exts[prop];
}
}
modeObj.name = spec.name;
if (spec.helperType) { modeObj.helperType = spec.helperType; }
if (spec.modeProps) { for (var prop$1 in spec.modeProps)
{ modeObj[prop$1] = spec.modeProps[prop$1]; } }
return modeObj
}
// This can be used to attach properties to mode objects from
// outside the actual mode definition.
var modeExtensions = {};
function extendMode(mode, properties) {
var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
copyObj(properties, exts);
}
function copyState(mode, state) {
if (state === true) { return state }
if (mode.copyState) { return mode.copyState(state) }
var nstate = {};
for (var n in state) {
var val = state[n];
if (val instanceof Array) { val = val.concat([]); }
nstate[n] = val;
}
return nstate
}
// Given a mode and a state (for that mode), find the inner mode and
// state at the position that the state refers to.
function innerMode(mode, state) {
var info;
while (mode.innerMode) {
info = mode.innerMode(state);
if (!info || info.mode == mode) { break }
state = info.state;
mode = info.mode;
}
return info || {mode: mode, state: state}
}
function startState(mode, a1, a2) {
return mode.startState ? mode.startState(a1, a2) : true
}
// STRING STREAM
// Fed to the mode parsers, provides helper functions to make
// parsers more succinct.
var StringStream = function(string, tabSize, lineOracle) {
this.pos = this.start = 0;
this.string = string;
this.tabSize = tabSize || 8;
this.lastColumnPos = this.lastColumnValue = 0;
this.lineStart = 0;
this.lineOracle = lineOracle;
};
StringStream.prototype.eol = function () {return this.pos >= this.string.length};
StringStream.prototype.sol = function () {return this.pos == this.lineStart};
StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
StringStream.prototype.next = function () {
if (this.pos < this.string.length)
{ return this.string.charAt(this.pos++) }
};
StringStream.prototype.eat = function (match) {
var ch = this.string.charAt(this.pos);
var ok;
if (typeof match == "string") { ok = ch == match; }
else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
if (ok) {++this.pos; return ch}
};
StringStream.prototype.eatWhile = function (match) {
var start = this.pos;
while (this.eat(match)){}
return this.pos > start
};
StringStream.prototype.eatSpace = function () {
var start = this.pos;
while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
return this.pos > start
};
StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
StringStream.prototype.skipTo = function (ch) {
var found = this.string.indexOf(ch, this.pos);
if (found > -1) {this.pos = found; return true}
};
StringStream.prototype.backUp = function (n) {this.pos -= n;};
StringStream.prototype.column = function () {
if (this.lastColumnPos < this.start) {
this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
this.lastColumnPos = this.start;
}
return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
};
StringStream.prototype.indentation = function () {
return countColumn(this.string, null, this.tabSize) -
(this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
};
StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
if (typeof pattern == "string") {
var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
var substr = this.string.substr(this.pos, pattern.length);
if (cased(substr) == cased(pattern)) {
if (consume !== false) { this.pos += pattern.length; }
return true
}
} else {
var match = this.string.slice(this.pos).match(pattern);
if (match && match.index > 0) { return null }
if (match && consume !== false) { this.pos += match[0].length; }
return match
}
};
StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
StringStream.prototype.hideFirstChars = function (n, inner) {
this.lineStart += n;
try { return inner() }
finally { this.lineStart -= n; }
};
StringStream.prototype.lookAhead = function (n) {
var oracle = this.lineOracle;
return oracle && oracle.lookAhead(n)
};
StringStream.prototype.baseToken = function () {
var oracle = this.lineOracle;
return oracle && oracle.baseToken(this.pos)
};
// Find the line object corresponding to the given line number.
function getLine(doc, n) {
n -= doc.first;
if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
var chunk = doc;
while (!chunk.lines) {
for (var i = 0;; ++i) {
var child = chunk.children[i], sz = child.chunkSize();
if (n < sz) { chunk = child; break }
n -= sz;
}
}
return chunk.lines[n]
}
// Get the part of a document between two positions, as an array of
// strings.
function getBetween(doc, start, end) {
var out = [], n = start.line;
doc.iter(start.line, end.line + 1, function (line) {
var text = line.text;
if (n == end.line) { text = text.slice(0, end.ch); }
if (n == start.line) { text = text.slice(start.ch); }
out.push(text);
++n;
});
return out
}
// Get the lines between from and to, as array of strings.
function getLines(doc, from, to) {
var out = [];
doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
return out
}
// Update the height of a line, propagating the height change
// upwards to parent nodes.
function updateLineHeight(line, height) {
var diff = height - line.height;
if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
}
// Given a line object, find its line number by walking up through
// its parent links.
function lineNo(line) {
if (line.parent == null) { return null }
var cur = line.parent, no = indexOf(cur.lines, line);
for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
for (var i = 0;; ++i) {
if (chunk.children[i] == cur) { break }
no += chunk.children[i].chunkSize();
}
}
return no + cur.first
}
// Find the line at the given vertical position, using the height
// information in the document tree.
function lineAtHeight(chunk, h) {
var n = chunk.first;
outer: do {
for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
var child = chunk.children[i$1], ch = child.height;
if (h < ch) { chunk = child; continue outer }
h -= ch;
n += child.chunkSize();
}
return n
} while (!chunk.lines)
var i = 0;
for (; i < chunk.lines.length; ++i) {
var line = chunk.lines[i], lh = line.height;
if (h < lh) { break }
h -= lh;
}
return n + i
}
function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
function lineNumberFor(options, i) {
return String(options.lineNumberFormatter(i + options.firstLineNumber))
}
// A Pos instance represents a position within the text.
function Pos(line, ch, sticky) {
if ( sticky === void 0 ) sticky = null;
if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
this.line = line;
this.ch = ch;
this.sticky = sticky;
}
// Compare two positions, return 0 if they are the same, a negative
// number when a is less, and a positive number otherwise.
function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
function copyPos(x) {return Pos(x.line, x.ch)}
function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
// Most of the external API clips given positions to make sure they
// actually exist within the document.
function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
function clipPos(doc, pos) {
if (pos.line < doc.first) { return Pos(doc.first, 0) }
var last = doc.first + doc.size - 1;
if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
return clipToLen(pos, getLine(doc, pos.line).text.length)
}
function clipToLen(pos, linelen) {
var ch = pos.ch;
if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
else if (ch < 0) { return Pos(pos.line, 0) }
else { return pos }
}
function clipPosArray(doc, array) {
var out = [];
for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
return out
}
var SavedContext = function(state, lookAhead) {
this.state = state;
this.lookAhead = lookAhead;
};
var Context = function(doc, state, line, lookAhead) {
this.state = state;
this.doc = doc;
this.line = line;
this.maxLookAhead = lookAhead || 0;
this.baseTokens = null;
this.baseTokenPos = 1;
};
Context.prototype.lookAhead = function (n) {
var line = this.doc.getLine(this.line + n);
if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
return line
};
Context.prototype.baseToken = function (n) {
if (!this.baseTokens) { return null }
while (this.baseTokens[this.baseTokenPos] <= n)
{ this.baseTokenPos += 2; }
var type = this.baseTokens[this.baseTokenPos + 1];
return {type: type && type.replace(/( |^)overlay .*/, ""),
size: this.baseTokens[this.baseTokenPos] - n}
};
Context.prototype.nextLine = function () {
this.line++;
if (this.maxLookAhead > 0) { this.maxLookAhead--; }
};
Context.fromSaved = function (doc, saved, line) {
if (saved instanceof SavedContext)
{ return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
else
{ return new Context(doc, copyState(doc.mode, saved), line) }
};
Context.prototype.save = function (copy) {
var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
};
// Compute a style array (an array starting with a mode generation
// -- for invalidation -- followed by pairs of end positions and
// style strings), which is used to highlight the tokens on the
// line.
function highlightLine(cm, line, context, forceToEnd) {
// A styles array always starts with a number identifying the
// mode/overlays that it is based on (for easy invalidation).
var st = [cm.state.modeGen], lineClasses = {};
// Compute the base array of styles
runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
lineClasses, forceToEnd);
var state = context.state;
// Run overlays, adjust style array.
var loop = function ( o ) {
context.baseTokens = st;
var overlay = cm.state.overlays[o], i = 1, at = 0;
context.state = true;
runMode(cm, line.text, overlay.mode, context, function (end, style) {
var start = i;
// Ensure there's a token end at the current position, and that i points at it
while (at < end) {
var i_end = st[i];
if (i_end > end)
{ st.splice(i, 1, end, st[i+1], i_end); }
i += 2;
at = Math.min(end, i_end);
}
if (!style) { return }
if (overlay.opaque) {
st.splice(start, i - start, end, "overlay " + style);
i = start + 2;
} else {
for (; start < i; start += 2) {
var cur = st[start+1];
st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
}
}
}, lineClasses);
context.state = state;
context.baseTokens = null;
context.baseTokenPos = 1;
};
for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
}
function getLineStyles(cm, line, updateFrontier) {
if (!line.styles || line.styles[0] != cm.state.modeGen) {
var context = getContextBefore(cm, lineNo(line));
var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
var result = highlightLine(cm, line, context);
if (resetState) { context.state = resetState; }
line.stateAfter = context.save(!resetState);
line.styles = result.styles;
if (result.classes) { line.styleClasses = result.classes; }
else if (line.styleClasses) { line.styleClasses = null; }
if (updateFrontier === cm.doc.highlightFrontier)
{ cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
}
return line.styles
}
function getContextBefore(cm, n, precise) {
var doc = cm.doc, display = cm.display;
if (!doc.mode.startState) { return new Context(doc, true, n) }
var start = findStartLine(cm, n, precise);
var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
doc.iter(start, n, function (line) {
processLine(cm, line.text, context);
var pos = context.line;
line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
context.nextLine();
});
if (precise) { doc.modeFrontier = context.line; }
return context
}
// Lightweight form of highlight -- proceed over this line and
// update state, but don't save a style array. Used for lines that
// aren't currently visible.
function processLine(cm, text, context, startAt) {
var mode = cm.doc.mode;
var stream = new StringStream(text, cm.options.tabSize, context);
stream.start = stream.pos = startAt || 0;
if (text == "") { callBlankLine(mode, context.state); }
while (!stream.eol()) {
readToken(mode, stream, context.state);
stream.start = stream.pos;
}
}
function callBlankLine(mode, state) {
if (mode.blankLine) { return mode.blankLine(state) }
if (!mode.innerMode) { return }
var inner = innerMode(mode, state);
if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
}
function readToken(mode, stream, state, inner) {
for (var i = 0; i < 10; i++) {
if (inner) { inner[0] = innerMode(mode, state).mode; }
var style = mode.token(stream, state);
if (stream.pos > stream.start) { return style }
}
throw new Error("Mode " + mode.name + " failed to advance stream.")
}
var Token = function(stream, type, state) {
this.start = stream.start; this.end = stream.pos;
this.string = stream.current();
this.type = type || null;
this.state = state;
};
// Utility for getTokenAt and getLineTokens
function takeToken(cm, pos, precise, asArray) {
var doc = cm.doc, mode = doc.mode, style;
pos = clipPos(doc, pos);
var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
if (asArray) { tokens = []; }
while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
stream.start = stream.pos;
style = readToken(mode, stream, context.state);
if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
}
return asArray ? tokens : new Token(stream, style, context.state)
}
function extractLineClasses(type, output) {
if (type) { for (;;) {
var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
if (!lineClass) { break }
type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
var prop = lineClass[1] ? "bgClass" : "textClass";
if (output[prop]