keybinding-emacs.js
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keybinding-emacs.js
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	ace.define("ace/occur",["require","exports","module","ace/lib/oop","ace/search","ace/edit_session","ace/search_highlight","ace/lib/dom"], function(require, exports, module){"use strict";
	var __extends = (this && this.__extends) \|\| (function () {
	var extendStatics = function (d, b) {
	extendStatics = Object.setPrototypeOf \|\|
	({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) \|\|
	function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
	return extendStatics(d, b);
	};
	return function (d, b) {
	if (typeof b !== "function" && b !== null)
	throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
	extendStatics(d, b);
	function __() { this.constructor = d; }
	d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
	};
	})();
	var oop = require("./lib/oop");
	var Search = require("./search").Search;
	var EditSession = require("./edit_session").EditSession;
	var SearchHighlight = require("./search_highlight").SearchHighlight;
	var Occur = /** @class */ (function (_super) {
	__extends(Occur, _super);
	function Occur() {
	return _super !== null && _super.apply(this, arguments) \|\| this;
	}
	Occur.prototype.enter = function (editor, options) {
	if (!options.needle)
	return false;
	var pos = editor.getCursorPosition();
	this.displayOccurContent(editor, options);
	var translatedPos = this.originalToOccurPosition(editor.session, pos);
	editor.moveCursorToPosition(translatedPos);
	return true;
	};
	Occur.prototype.exit = function (editor, options) {
	var pos = options.translatePosition && editor.getCursorPosition();
	var translatedPos = pos && this.occurToOriginalPosition(editor.session, pos);
	this.displayOriginalContent(editor);
	if (translatedPos)
	editor.moveCursorToPosition(translatedPos);
	return true;
	};
	Occur.prototype.highlight = function (sess, regexp) {
	var hl = sess.$occurHighlight = sess.$occurHighlight \|\| sess.addDynamicMarker(new SearchHighlight(null, "ace_occur-highlight", "text"));
	hl.setRegexp(regexp);
	sess._emit("changeBackMarker"); // force highlight layer redraw
	};
	Occur.prototype.displayOccurContent = function (editor, options) {
	this.$originalSession = editor.session;
	var found = this.matchingLines(editor.session, options);
	var lines = found.map(function (foundLine) { return foundLine.content; });
	var occurSession = new EditSession(lines.join('\n'));
	occurSession.$occur = this;
	occurSession.$occurMatchingLines = found;
	editor.setSession(occurSession);
	this.$useEmacsStyleLineStart = this.$originalSession.$useEmacsStyleLineStart;
	occurSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
	this.highlight(occurSession, options.re);
	occurSession._emit('changeBackMarker');
	};
	Occur.prototype.displayOriginalContent = function (editor) {
	editor.setSession(this.$originalSession);
	this.$originalSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
	};
	Occur.prototype.originalToOccurPosition = function (session, pos) {
	var lines = session.$occurMatchingLines;
	var nullPos = { row: 0, column: 0 };
	if (!lines)
	return nullPos;
	for (var i = 0; i < lines.length; i++) {
	if (lines[i].row === pos.row)
	return { row: i, column: pos.column };
	}
	return nullPos;
	};
	Occur.prototype.occurToOriginalPosition = function (session, pos) {
	var lines = session.$occurMatchingLines;
	if (!lines \|\| !lines[pos.row])
	return pos;
	return { row: lines[pos.row].row, column: pos.column };
	};
	Occur.prototype.matchingLines = function (session, options) {
	options = oop.mixin({}, options);
	if (!session \|\| !options.needle)
	return [];
	var search = new Search();
	search.set(options);
	return search.findAll(session).reduce(function (lines, range) {
	var row = range.start.row;
	var last = lines[lines.length - 1];
	return last && last.row === row ?
	lines :
	lines.concat({ row: row, content: session.getLine(row) });
	}, []);
	};
	return Occur;
	}(Search));
	var dom = require('./lib/dom');
	dom.importCssString(".ace_occur-highlight {\n\
	border-radius: 4px;\n\
	background-color: rgba(87, 255, 8, 0.25);\n\
	position: absolute;\n\
	z-index: 4;\n\
	box-sizing: border-box;\n\
	box-shadow: 0 0 4px rgb(91, 255, 50);\n\
	}\n\
	.ace_dark .ace_occur-highlight {\n\
	background-color: rgb(80, 140, 85);\n\
	box-shadow: 0 0 4px rgb(60, 120, 70);\n\
	}\n", "incremental-occur-highlighting", false);
	exports.Occur = Occur;

	});

	ace.define("ace/commands/occur_commands",["require","exports","module","ace/config","ace/occur","ace/keyboard/hash_handler","ace/lib/oop"], function(require, exports, module){var config = require("../config"), Occur = require("../occur").Occur;
	var occurStartCommand = {
	name: "occur",
	exec: function (editor, options) {
	var alreadyInOccur = !!editor.session.$occur;
	var occurSessionActive = new Occur().enter(editor, options);
	if (occurSessionActive && !alreadyInOccur)
	OccurKeyboardHandler.installIn(editor);
	},
	readOnly: true
	};
	var occurCommands = [{
	name: "occurexit",
	bindKey: 'esc\|Ctrl-G',
	exec: function (editor) {
	var occur = editor.session.$occur;
	if (!occur)
	return;
	occur.exit(editor, {});
	if (!editor.session.$occur)
	OccurKeyboardHandler.uninstallFrom(editor);
	},
	readOnly: true
	}, {
	name: "occuraccept",
	bindKey: 'enter',
	exec: function (editor) {
	var occur = editor.session.$occur;
	if (!occur)
	return;
	occur.exit(editor, { translatePosition: true });
	if (!editor.session.$occur)
	OccurKeyboardHandler.uninstallFrom(editor);
	},
	readOnly: true
	}];
	var HashHandler = require("../keyboard/hash_handler").HashHandler;
	var oop = require("../lib/oop");
	function OccurKeyboardHandler() { }
	oop.inherits(OccurKeyboardHandler, HashHandler);
	(function () {
	this.isOccurHandler = true;
	this.attach = function (editor) {
	HashHandler.call(this, occurCommands, editor.commands.platform);
	this.$editor = editor;
	};
	var handleKeyboard$super = this.handleKeyboard;
	this.handleKeyboard = function (data, hashId, key, keyCode) {
	var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
	return (cmd && cmd.command) ? cmd : undefined;
	};
	}).call(OccurKeyboardHandler.prototype);
	OccurKeyboardHandler.installIn = function (editor) {
	var handler = new this();
	editor.keyBinding.addKeyboardHandler(handler);
	editor.commands.addCommands(occurCommands);
	};
	OccurKeyboardHandler.uninstallFrom = function (editor) {
	editor.commands.removeCommands(occurCommands);
	var handler = editor.getKeyboardHandler();
	if (handler.isOccurHandler)
	editor.keyBinding.removeKeyboardHandler(handler);
	};
	exports.occurStartCommand = occurStartCommand;

	});

	ace.define("ace/commands/incremental_search_commands",["require","exports","module","ace/config","ace/lib/oop","ace/keyboard/hash_handler","ace/commands/occur_commands"], function(require, exports, module){var config = require("../config");
	var oop = require("../lib/oop");
	var HashHandler = require("../keyboard/hash_handler").HashHandler;
	var occurStartCommand = require("./occur_commands").occurStartCommand;
	exports.iSearchStartCommands = [{
	name: "iSearch",
	bindKey: { win: "Ctrl-F", mac: "Command-F" },
	exec: function (editor, options) {
	config.loadModule(["core", "ace/incremental_search"], function (e) {
	var iSearch = e.iSearch = e.iSearch \|\| new e.IncrementalSearch();
	iSearch.activate(editor, options.backwards);
	if (options.jumpToFirstMatch)
	iSearch.next(options);
	});
	},
	readOnly: true
	}, {
	name: "iSearchBackwards",
	exec: function (editor, jumpToNext) { editor.execCommand('iSearch', { backwards: true }); },
	readOnly: true
	}, {
	name: "iSearchAndGo",
	bindKey: { win: "Ctrl-K", mac: "Command-G" },
	exec: function (editor, jumpToNext) { editor.execCommand('iSearch', { jumpToFirstMatch: true, useCurrentOrPrevSearch: true }); },
	readOnly: true
	}, {
	name: "iSearchBackwardsAndGo",
	bindKey: { win: "Ctrl-Shift-K", mac: "Command-Shift-G" },
	exec: function (editor) { editor.execCommand('iSearch', { jumpToFirstMatch: true, backwards: true, useCurrentOrPrevSearch: true }); },
	readOnly: true
	}];
	exports.iSearchCommands = [{
	name: "restartSearch",
	bindKey: { win: "Ctrl-F", mac: "Command-F" },
	exec: function (iSearch) {
	iSearch.cancelSearch(true);
	}
	}, {
	name: "searchForward",
	bindKey: { win: "Ctrl-S\|Ctrl-K", mac: "Ctrl-S\|Command-G" },
	exec: function (iSearch, options) {
	options.useCurrentOrPrevSearch = true;
	iSearch.next(options);
	}
	}, {
	name: "searchBackward",
	bindKey: { win: "Ctrl-R\|Ctrl-Shift-K", mac: "Ctrl-R\|Command-Shift-G" },
	exec: function (iSearch, options) {
	options.useCurrentOrPrevSearch = true;
	options.backwards = true;
	iSearch.next(options);
	}
	}, {
	name: "extendSearchTerm",
	exec: function (iSearch, string) {
	iSearch.addString(string);
	}
	}, {
	name: "extendSearchTermSpace",
	bindKey: "space",
	exec: function (iSearch) { iSearch.addString(' '); }
	}, {
	name: "shrinkSearchTerm",
	bindKey: "backspace",
	exec: function (iSearch) {
	iSearch.removeChar();
	}
	}, {
	name: 'confirmSearch',
	bindKey: 'return',
	exec: function (iSearch) { iSearch.deactivate(); }
	}, {
	name: 'cancelSearch',
	bindKey: 'esc\|Ctrl-G',
	exec: function (iSearch) { iSearch.deactivate(true); }
	}, {
	name: 'occurisearch',
	bindKey: 'Ctrl-O',
	exec: function (iSearch) {
	var options = oop.mixin({}, iSearch.$options);
	iSearch.deactivate();
	occurStartCommand.exec(iSearch.$editor, options);
	}
	}, {
	name: "yankNextWord",
	bindKey: "Ctrl-w",
	exec: function (iSearch) {
	var ed = iSearch.$editor, range = ed.selection.getRangeOfMovements(function (sel) { sel.moveCursorWordRight(); }), string = ed.session.getTextRange(range);
	iSearch.addString(string);
	}
	}, {
	name: "yankNextChar",
	bindKey: "Ctrl-Alt-y",
	exec: function (iSearch) {
	var ed = iSearch.$editor, range = ed.selection.getRangeOfMovements(function (sel) { sel.moveCursorRight(); }), string = ed.session.getTextRange(range);
	iSearch.addString(string);
	}
	}, {
	name: 'recenterTopBottom',
	bindKey: 'Ctrl-l',
	exec: function (iSearch) { iSearch.$editor.execCommand('recenterTopBottom'); }
	}, {
	name: 'selectAllMatches',
	bindKey: 'Ctrl-space',
	exec: function (iSearch) {
	var ed = iSearch.$editor, hl = ed.session.$isearchHighlight, ranges = hl && hl.cache ? hl.cache
	.reduce(function (ranges, ea) {
	return ranges.concat(ea ? ea : []);
	}, []) : [];
	iSearch.deactivate(false);
	ranges.forEach(ed.selection.addRange.bind(ed.selection));
	}
	}, {
	name: 'searchAsRegExp',
	bindKey: 'Alt-r',
	exec: function (iSearch) {
	iSearch.convertNeedleToRegExp();
	}
	}].map(function (cmd) {
	cmd.readOnly = true;
	cmd.isIncrementalSearchCommand = true;
	cmd.scrollIntoView = "animate-cursor";
	return cmd;
	});
	function IncrementalSearchKeyboardHandler(iSearch) {
	this.$iSearch = iSearch;
	}
	oop.inherits(IncrementalSearchKeyboardHandler, HashHandler);
	(function () {
	this.attach = function (editor) {
	var iSearch = this.$iSearch;
	HashHandler.call(this, exports.iSearchCommands, editor.commands.platform);
	this.$commandExecHandler = editor.commands.on('exec', function (e) {
	if (!e.command.isIncrementalSearchCommand)
	return iSearch.deactivate();
	e.stopPropagation();
	e.preventDefault();
	var scrollTop = editor.session.getScrollTop();
	var result = e.command.exec(iSearch, e.args \|\| {});
	editor.renderer.scrollCursorIntoView(null, 0.5);
	editor.renderer.animateScrolling(scrollTop);
	return result;
	});
	};
	this.detach = function (editor) {
	if (!this.$commandExecHandler)
	return;
	editor.commands.off('exec', this.$commandExecHandler);
	delete this.$commandExecHandler;
	};
	var handleKeyboard$super = this.handleKeyboard;
	this.handleKeyboard = function (data, hashId, key, keyCode) {
	if (((hashId === 1 /ctrl/ \|\| hashId === 8 /command/) && key === 'v')
	\|\| (hashId === 1 /ctrl/ && key === 'y'))
	return null;
	var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
	if (cmd && cmd.command) {
	return cmd;
	}
	if (hashId == -1) {
	var extendCmd = this.commands.extendSearchTerm;
	if (extendCmd) {
	return { command: extendCmd, args: key };
	}
	}
	return false;
	};
	}).call(IncrementalSearchKeyboardHandler.prototype);
	exports.IncrementalSearchKeyboardHandler = IncrementalSearchKeyboardHandler;

	});

	ace.define("ace/incremental_search",["require","exports","module","ace/range","ace/search","ace/search_highlight","ace/commands/incremental_search_commands","ace/lib/dom","ace/commands/command_manager","ace/editor","ace/config"], function(require, exports, module){"use strict";
	var __extends = (this && this.__extends) \|\| (function () {
	var extendStatics = function (d, b) {
	extendStatics = Object.setPrototypeOf \|\|
	({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) \|\|
	function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
	return extendStatics(d, b);
	};
	return function (d, b) {
	if (typeof b !== "function" && b !== null)
	throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
	extendStatics(d, b);
	function __() { this.constructor = d; }
	d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
	};
	})();
	var Range = require("./range").Range;
	var Search = require("./search").Search;
	var SearchHighlight = require("./search_highlight").SearchHighlight;
	var iSearchCommandModule = require("./commands/incremental_search_commands");
	var ISearchKbd = iSearchCommandModule.IncrementalSearchKeyboardHandler;
	function isRegExp(obj) {
	return obj instanceof RegExp;
	}
	function regExpToObject(re) {
	var string = String(re), start = string.indexOf('/'), flagStart = string.lastIndexOf('/');
	return {
	expression: string.slice(start + 1, flagStart),
	flags: string.slice(flagStart + 1)
	};
	}
	function stringToRegExp(string, flags) {
	try {
	return new RegExp(string, flags);
	}
	catch (e) {
	return string;
	}
	}
	function objectToRegExp(obj) {
	return stringToRegExp(obj.expression, obj.flags);
	}
	var IncrementalSearch = /** @class */ (function (_super) {
	__extends(IncrementalSearch, _super);
	function IncrementalSearch() {
	var _this = _super.call(this) \|\| this;
	_this.$options = { wrap: false, skipCurrent: false };
	_this.$keyboardHandler = new ISearchKbd(_this);
	return _this;
	}
	IncrementalSearch.prototype.activate = function (editor, backwards) {
	this.$editor = editor;
	this.$startPos = this.$currentPos = editor.getCursorPosition();
	this.$options.needle = '';
	this.$options.backwards = backwards;
	editor.keyBinding.addKeyboardHandler(this.$keyboardHandler);
	this.$originalEditorOnPaste = editor.onPaste;
	editor.onPaste = this.onPaste.bind(this);
	this.$mousedownHandler = editor.on('mousedown', this.onMouseDown.bind(this));
	this.selectionFix(editor);
	this.statusMessage(true);
	};
	IncrementalSearch.prototype.deactivate = function (reset) {
	this.cancelSearch(reset);
	var editor = this.$editor;
	editor.keyBinding.removeKeyboardHandler(this.$keyboardHandler);
	if (this.$mousedownHandler) {
	editor.off('mousedown', this.$mousedownHandler);
	delete this.$mousedownHandler;
	}
	editor.onPaste = this.$originalEditorOnPaste;
	this.message('');
	};
	IncrementalSearch.prototype.selectionFix = function (editor) {
	if (editor.selection.isEmpty() && !editor.session.$emacsMark) {
	editor.clearSelection();
	}
	};
	IncrementalSearch.prototype.highlight = function (regexp) {
	var sess = this.$editor.session, hl = sess.$isearchHighlight = sess.$isearchHighlight \|\| sess.addDynamicMarker(new SearchHighlight(null, "ace_isearch-result", "text"));
	hl.setRegexp(regexp);
	sess._emit("changeBackMarker"); // force highlight layer redraw
	};
	IncrementalSearch.prototype.cancelSearch = function (reset) {
	var e = this.$editor;
	this.$prevNeedle = this.$options.needle;
	this.$options.needle = '';
	if (reset) {
	e.moveCursorToPosition(this.$startPos);
	this.$currentPos = this.$startPos;
	}
	else {
	e.pushEmacsMark && e.pushEmacsMark(this.$startPos, false);
	}
	this.highlight(null);
	return Range.fromPoints(this.$currentPos, this.$currentPos);
	};
	IncrementalSearch.prototype.highlightAndFindWithNeedle = function (moveToNext, needleUpdateFunc) {
	if (!this.$editor)
	return null;
	var options = this.$options;
	if (needleUpdateFunc) {
	options.needle = needleUpdateFunc.call(this, options.needle \|\| '') \|\| '';
	}
	if (options.needle.length === 0) {
	this.statusMessage(true);
	return this.cancelSearch(true);
	}
	options.start = this.$currentPos;
	var session = this.$editor.session, found = this.find(session), shouldSelect = this.$editor.emacsMark ?
	!!this.$editor.emacsMark() : !this.$editor.selection.isEmpty();
	if (found) {
	if (options.backwards)
	found = Range.fromPoints(found.end, found.start);
	this.$editor.selection.setRange(Range.fromPoints(shouldSelect ? this.$startPos : found.end, found.end));
	if (moveToNext)
	this.$currentPos = found.end;
	this.highlight(options.re);
	}
	this.statusMessage(found);
	return found;
	};
	IncrementalSearch.prototype.addString = function (s) {
	return this.highlightAndFindWithNeedle(false, function (needle) {
	if (!isRegExp(needle))
	return needle + s;
	var reObj = regExpToObject(needle);
	reObj.expression += s;
	return objectToRegExp(reObj);
	});
	};
	IncrementalSearch.prototype.removeChar = function (c) {
	return this.highlightAndFindWithNeedle(false, function (needle) {
	if (!isRegExp(needle))
	return needle.substring(0, needle.length - 1);
	var reObj = regExpToObject(needle);
	reObj.expression = reObj.expression.substring(0, reObj.expression.length - 1);
	return objectToRegExp(reObj);
	});
	};
	IncrementalSearch.prototype.next = function (options) {
	options = options \|\| {};
	this.$options.backwards = !!options.backwards;
	this.$currentPos = this.$editor.getCursorPosition();
	return this.highlightAndFindWithNeedle(true, function (needle) {
	return options.useCurrentOrPrevSearch && needle.length === 0 ?
	this.$prevNeedle \|\| '' : needle;
	});
	};
	IncrementalSearch.prototype.onMouseDown = function (evt) {
	this.deactivate();
	return true;
	};
	IncrementalSearch.prototype.onPaste = function (text) {
	this.addString(text);
	};
	IncrementalSearch.prototype.convertNeedleToRegExp = function () {
	return this.highlightAndFindWithNeedle(false, function (needle) {
	return isRegExp(needle) ? needle : stringToRegExp(needle, 'ig');
	});
	};
	IncrementalSearch.prototype.convertNeedleToString = function () {
	return this.highlightAndFindWithNeedle(false, function (needle) {
	return isRegExp(needle) ? regExpToObject(needle).expression : needle;
	});
	};
	IncrementalSearch.prototype.statusMessage = function (found) {
	var options = this.$options, msg = '';
	msg += options.backwards ? 'reverse-' : '';
	msg += 'isearch: ' + options.needle;
	msg += found ? '' : ' (not found)';
	this.message(msg);
	};
	IncrementalSearch.prototype.message = function (msg) {
	if (this.$editor.showCommandLine) {
	this.$editor.showCommandLine(msg);
	this.$editor.focus();
	}
	};
	return IncrementalSearch;
	}(Search));
	exports.IncrementalSearch = IncrementalSearch;
	var dom = require('./lib/dom');
	dom.importCssString("\n.ace_marker-layer .ace_isearch-result {\n position: absolute;\n z-index: 6;\n box-sizing: border-box;\n}\ndiv.ace_isearch-result {\n border-radius: 4px;\n background-color: rgba(255, 200, 0, 0.5);\n box-shadow: 0 0 4px rgb(255, 200, 0);\n}\n.ace_dark div.ace_isearch-result {\n background-color: rgb(100, 110, 160);\n box-shadow: 0 0 4px rgb(80, 90, 140);\n}", "incremental-search-highlighting", false);
	var commands = require("./commands/command_manager");
	(function () {
	this.setupIncrementalSearch = function (editor, val) {
	if (this.usesIncrementalSearch == val)
	return;
	this.usesIncrementalSearch = val;
	var iSearchCommands = iSearchCommandModule.iSearchStartCommands;
	var method = val ? 'addCommands' : 'removeCommands';
	this[method](iSearchCommands);
	};
	}).call(commands.CommandManager.prototype);
	var Editor = require("./editor").Editor;
	require("./config").defineOptions(Editor.prototype, "editor", {
	useIncrementalSearch: {
	set: function (val) {
	this.keyBinding.$handlers.forEach(function (handler) {
	if (handler.setupIncrementalSearch) {
	handler.setupIncrementalSearch(this, val);
	}
	});
	this._emit('incrementalSearchSettingChanged', { isEnabled: val });
	}
	}
	});

	});

	ace.define("ace/keyboard/emacs",["require","exports","module","ace/lib/dom","ace/incremental_search","ace/commands/incremental_search_commands","ace/keyboard/hash_handler","ace/lib/keys"], function(require, exports, module){"use strict";
	var dom = require("../lib/dom");
	require("../incremental_search");
	var iSearchCommandModule = require("../commands/incremental_search_commands");
	var HashHandler = require("./hash_handler").HashHandler;
	exports.handler = new HashHandler();
	exports.handler.isEmacs = true;
	exports.handler.$id = "ace/keyboard/emacs";
	dom.importCssString("\n.emacs-mode .ace_cursor{\n border: 1px rgba(50,250,50,0.8) solid!important;\n box-sizing: border-box!important;\n background-color: rgba(0,250,0,0.9);\n opacity: 0.5;\n}\n.emacs-mode .ace_hidden-cursors .ace_cursor{\n opacity: 1;\n background-color: transparent;\n}\n.emacs-mode .ace_overwrite-cursors .ace_cursor {\n opacity: 1;\n background-color: transparent;\n border-width: 0 0 2px 2px !important;\n}\n.emacs-mode .ace_text-layer {\n z-index: 4\n}\n.emacs-mode .ace_cursor-layer {\n z-index: 2\n}", 'emacsMode');
	var $formerLongWords;
	var $formerLineStart;
	exports.handler.attach = function (editor) {
	$formerLongWords = editor.session.$selectLongWords;
	editor.session.$selectLongWords = true;
	$formerLineStart = editor.session.$useEmacsStyleLineStart;
	editor.session.$useEmacsStyleLineStart = true;
	editor.session.$emacsMark = null; // the active mark
	editor.session.$emacsMarkRing = editor.session.$emacsMarkRing \|\| [];
	editor.emacsMark = function () {
	return this.session.$emacsMark;
	};
	editor.setEmacsMark = function (p) {
	this.session.$emacsMark = p;
	};
	editor.pushEmacsMark = function (p, activate) {
	var prevMark = this.session.$emacsMark;
	if (prevMark)
	this.session.$emacsMarkRing.push(prevMark);
	if (!p \|\| activate)
	this.setEmacsMark(p);
	else
	this.session.$emacsMarkRing.push(p);
	};
	editor.popEmacsMark = function () {
	var mark = this.emacsMark();
	if (mark) {
	this.setEmacsMark(null);
	return mark;
	}
	return this.session.$emacsMarkRing.pop();
	};
	editor.getLastEmacsMark = function (p) {
	return this.session.$emacsMark \|\| this.session.$emacsMarkRing.slice(-1)[0];
	};
	editor.emacsMarkForSelection = function (replacement) {
	var sel = this.selection, multiRangeLength = this.multiSelect ?
	this.multiSelect.getAllRanges().length : 1, selIndex = sel.index \|\| 0, markRing = this.session.$emacsMarkRing, markIndex = markRing.length - (multiRangeLength - selIndex), lastMark = markRing[markIndex] \|\| sel.anchor;
	if (replacement) {
	markRing.splice(markIndex, 1, "row" in replacement && "column" in replacement ?
	replacement : undefined);
	}
	return lastMark;
	};
	editor.on("click", $resetMarkMode);
	editor.on("changeSession", $kbSessionChange);
	editor.renderer.$blockCursor = true;
	editor.setStyle("emacs-mode");
	editor.commands.addCommands(commands);
	exports.handler.platform = editor.commands.platform;
	editor.$emacsModeHandler = this;
	editor.on('copy', this.onCopy);
	editor.on('paste', this.onPaste);
	};
	exports.handler.detach = function (editor) {
	editor.renderer.$blockCursor = false;
	editor.session.$selectLongWords = $formerLongWords;
	editor.session.$useEmacsStyleLineStart = $formerLineStart;
	editor.off("click", $resetMarkMode);
	editor.off("changeSession", $kbSessionChange);
	editor.unsetStyle("emacs-mode");
	editor.commands.removeCommands(commands);
	editor.off('copy', this.onCopy);
	editor.off('paste', this.onPaste);
	editor.$emacsModeHandler = null;
	};
	var $kbSessionChange = function (e) {
	if (e.oldSession) {
	e.oldSession.$selectLongWords = $formerLongWords;
	e.oldSession.$useEmacsStyleLineStart = $formerLineStart;
	}
	$formerLongWords = e.session.$selectLongWords;
	e.session.$selectLongWords = true;
	$formerLineStart = e.session.$useEmacsStyleLineStart;
	e.session.$useEmacsStyleLineStart = true;
	if (!e.session.hasOwnProperty('$emacsMark'))
	e.session.$emacsMark = null;
	if (!e.session.hasOwnProperty('$emacsMarkRing'))
	e.session.$emacsMarkRing = [];
	};
	var $resetMarkMode = function (e) {
	e.editor.session.$emacsMark = null;
	};
	var keys = require("../lib/keys").KEY_MODS;
	var eMods = { C: "ctrl", S: "shift", M: "alt", CMD: "command" };
	var combinations = ["C-S-M-CMD",
	"S-M-CMD", "C-M-CMD", "C-S-CMD", "C-S-M",
	"M-CMD", "S-CMD", "S-M", "C-CMD", "C-M", "C-S",
	"CMD", "M", "S", "C"];
	combinations.forEach(function (c) {
	var hashId = 0;
	c.split("-").forEach(function (c) {
	hashId = hashId \| keys[eMods[c]];
	});
	eMods[hashId] = c.toLowerCase() + "-";
	});
	exports.handler.onCopy = function (e, editor) {
	if (editor.$handlesEmacsOnCopy)
	return;
	editor.$handlesEmacsOnCopy = true;
	exports.handler.commands.killRingSave.exec(editor);
	editor.$handlesEmacsOnCopy = false;
	};
	exports.handler.onPaste = function (e, editor) {
	editor.pushEmacsMark(editor.getCursorPosition());
	};
	exports.handler.bindKey = function (key, command) {
	if (typeof key == "object")
	key = key[this.platform];
	if (!key)
	return;
	var ckb = this.commandKeyBinding;
	key.split("\|").forEach(function (keyPart) {
	keyPart = keyPart.toLowerCase();
	ckb[keyPart] = command;
	var keyParts = keyPart.split(" ").slice(0, -1);
	keyParts.reduce(function (keyMapKeys, keyPart, i) {
	var prefix = keyMapKeys[i - 1] ? keyMapKeys[i - 1] + ' ' : '';
	return keyMapKeys.concat([prefix + keyPart]);
	}, []).forEach(function (keyPart) {
	if (!ckb[keyPart])
	ckb[keyPart] = "null";
	});
	}, this);
	};
	exports.handler.getStatusText = function (editor, data) {
	var str = "";
	if (data.count)
	str += data.count;
	if (data.keyChain)
	str += " " + data.keyChain;
	return str;
	};
	exports.handler.handleKeyboard = function (data, hashId, key, keyCode) {
	if (keyCode === -1)
	return undefined;
	var editor = data.editor;
	editor._signal("changeStatus");
	if (hashId == -1) {
	editor.pushEmacsMark();
	if (data.count) {
	var str = new Array(data.count + 1).join(key);
	data.count = null;
	return { command: "insertstring", args: str };
	}
	}
	var modifier = eMods[hashId];
	if (modifier == "c-" \|\| data.count) {
	var count = parseInt(key[key.length - 1]);
	if (typeof count === 'number' && !isNaN(count)) {
	data.count = Math.max(data.count, 0) \|\| 0;
	data.count = 10 * data.count + count;
	return { command: "null" };
	}
	}
	if (modifier)
	key = modifier + key;
	if (data.keyChain)
	key = data.keyChain += " " + key;
	var command = this.commandKeyBinding[key];
	data.keyChain = command == "null" ? key : "";
	if (!command)
	return undefined;
	if (command === "null")
	return { command: "null" };
	if (command === "universalArgument") {
	data.count = -4;
	return { command: "null" };
	}
	var args;
	if (typeof command !== "string") {
	args = command.args;
	if (command.command)
	command = command.command;
	if (command === "goorselect") {
	command = editor.emacsMark() ? args[1] : args[0];
	args = null;
	}
	}
	if (typeof command === "string") {
	if (command === "insertstring" \|\|
	command === "splitline" \|\|
	command === "togglecomment") {
	editor.pushEmacsMark();
	}
	command = this.commands[command] \|\| editor.commands.commands[command];
	if (!command)
	return undefined;
	}
	if (!command.readOnly && !command.isYank)
	data.lastCommand = null;
	if (!command.readOnly && editor.emacsMark())
	editor.setEmacsMark(null);
	if (data.count) {
	var count = data.count;
	data.count = 0;
	if (!command \|\| !command.handlesCount) {
	return {
	args: args,
	command: {
	exec: function (editor, args) {
	for (var i = 0; i < count; i++)
	command.exec(editor, args);
	},
	multiSelectAction: command.multiSelectAction
	}
	};
	}
	else {
	if (!args)
	args = {};
	if (typeof args === 'object')
	args.count = count;
	}
	}
	return { command: command, args: args };
	};
	exports.emacsKeys = {
	"Up\|C-p": { command: "goorselect", args: ["golineup", "selectup"] },
	"Down\|C-n": { command: "goorselect", args: ["golinedown", "selectdown"] },
	"Left\|C-b": { command: "goorselect", args: ["gotoleft", "selectleft"] },
	"Right\|C-f": { command: "goorselect", args: ["gotoright", "selectright"] },
	"C-Left\|M-b": { command: "goorselect", args: ["gotowordleft", "selectwordleft"] },
	"C-Right\|M-f": { command: "goorselect", args: ["gotowordright", "selectwordright"] },
	"Home\|C-a": { command: "goorselect", args: ["gotolinestart", "selecttolinestart"] },
	"End\|C-e": { command: "goorselect", args: ["gotolineend", "selecttolineend"] },
	"C-Home\|S-M-,": { command: "goorselect", args: ["gotostart", "selecttostart"] },
	"C-End\|S-M-.": { command: "goorselect", args: ["gotoend", "selecttoend"] },
	"S-Up\|S-C-p": "selectup",
	"S-Down\|S-C-n": "selectdown",
	"S-Left\|S-C-b": "selectleft",
	"S-Right\|S-C-f": "selectright",
	"S-C-Left\|S-M-b": "selectwordleft",
	"S-C-Right\|S-M-f": "selectwordright",
	"S-Home\|S-C-a": "selecttolinestart",
	"S-End\|S-C-e": "selecttolineend",
	"S-C-Home": "selecttostart",
	"S-C-End": "selecttoend",
	"C-l": "recenterTopBottom",
	"M-s": "centerselection",
	"M-g": "gotoline",
	"C-x C-p": "selectall",
	"C-Down": { command: "goorselect", args: ["gotopagedown", "selectpagedown"] },
	"C-Up": { command: "goorselect", args: ["gotopageup", "selectpageup"] },
	"PageDown\|C-v": { command: "goorselect", args: ["gotopagedown", "selectpagedown"] },
	"PageUp\|M-v": { command: "goorselect", args: ["gotopageup", "selectpageup"] },
	"S-C-Down": "selectpagedown",
	"S-C-Up": "selectpageup",
	"C-s": "iSearch",
	"C-r": "iSearchBackwards",
	"M-C-s": "findnext",
	"M-C-r": "findprevious",
	"S-M-5": "replace",
	"Backspace": "backspace",
	"Delete\|C-d": "del",
	"Return\|C-m": { command: "insertstring", args: "\n" }, // "newline"
	"C-o": "splitline",
	"M-d\|C-Delete": { command: "killWord", args: "right" },
	"C-Backspace\|M-Backspace\|M-Delete": { command: "killWord", args: "left" },
	"C-k": "killLine",
	"C-y\|S-Delete": "yank",
	"M-y": "yankRotate",
	"C-g": "keyboardQuit",
	"C-w\|C-S-W": "killRegion",
	"M-w": "killRingSave",
	"C-Space": "setMark",
	"C-x C-x": "exchangePointAndMark",
	"C-t": "transposeletters",
	"M-u": "touppercase", // Doesn't work
	"M-l": "tolowercase",
	"M-/": "autocomplete", // Doesn't work
	"C-u": "universalArgument",
	"M-;": "togglecomment",
	"C-/\|C-x u\|S-C--\|C-z": "undo",
	"S-C-/\|S-C-x u\|C--\|S-C-z": "redo", // infinite undo?
	"C-x r": "selectRectangularRegion",
	"M-x": { command: "focusCommandLine", args: "M-x " }
	};
	exports.handler.bindKeys(exports.emacsKeys);
	exports.handler.addCommands({
	recenterTopBottom: function (editor) {
	var renderer = editor.renderer;
	var pos = renderer.$cursorLayer.getPixelPosition();
	var h = renderer.$size.scrollerHeight - renderer.lineHeight;
	var scrollTop = renderer.scrollTop;
	if (Math.abs(pos.top - scrollTop) < 2) {
	scrollTop = pos.top - h;
	}
	else if (Math.abs(pos.top - scrollTop - h * 0.5) < 2) {
	scrollTop = pos.top;
	}
	else {
	scrollTop = pos.top - h * 0.5;
	}
	editor.session.setScrollTop(scrollTop);
	},
	selectRectangularRegion: function (editor) {
	editor.multiSelect.toggleBlockSelection();
	},
	setMark: {
	exec: function (editor, args) {
	if (args && args.count) {
	if (editor.inMultiSelectMode)
	editor.forEachSelection(moveToMark);
	else
	moveToMark();
	moveToMark();
	return;
	}
	var mark = editor.emacsMark(), ranges = editor.selection.getAllRanges(), rangePositions = ranges.map(function (r) { return { row: r.start.row, column: r.start.column }; }), transientMarkModeActive = true, hasNoSelection = ranges.every(function (range) { return range.isEmpty(); });
	if (transientMarkModeActive && (mark \|\| !hasNoSelection)) {
	if (editor.inMultiSelectMode)
	editor.forEachSelection({ exec: editor.clearSelection.bind(editor) });
	else
	editor.clearSelection();
	if (mark)
	editor.pushEmacsMark(null);
	return;
	}
	if (!mark) {
	rangePositions.forEach(function (pos) { editor.pushEmacsMark(pos); });
	editor.setEmacsMark(rangePositions[rangePositions.length - 1]);
	return;
	}
	function moveToMark() {
	var mark = editor.popEmacsMark();
	mark && editor.moveCursorToPosition(mark);
	}
	},
	readOnly: true,
	handlesCount: true
	},
	exchangePointAndMark: {
	exec: function exchangePointAndMark$exec(editor, args) {
	var sel = editor.selection;
	if (!args.count && !sel.isEmpty()) { // just invert selection
	sel.setSelectionRange(sel.getRange(), !sel.isBackwards());
	return;
	}
	if (args.count) { // replace mark and point
	var pos = { row: sel.lead.row, column: sel.lead.column };
	sel.clearSelection();
	sel.moveCursorToPosition(editor.emacsMarkForSelection(pos));
	}
	else { // create selection to last mark
	sel.selectToPosition(editor.emacsMarkForSelection());
	}
	},
	readOnly: true,
	handlesCount: true,
	multiSelectAction: "forEach"
	},
	killWord: {
	exec: function (editor, dir) {
	editor.clearSelection();
	if (dir == "left")
	editor.selection.selectWordLeft();
	else
	editor.selection.selectWordRight();
	var range = editor.getSelectionRange();
	var text = editor.session.getTextRange(range);
	exports.killRing.add(text);
	editor.session.remove(range);
	editor.clearSelection();
	},
	multiSelectAction: "forEach"
	},
	killLine: function (editor) {
	editor.pushEmacsMark(null);
	editor.clearSelection();
	var range = editor.getSelectionRange();
	var line = editor.session.getLine(range.start.row);
	range.end.column = line.length;
	line = line.substr(range.start.column);
	var foldLine = editor.session.getFoldLine(range.start.row);
	if (foldLine && range.end.row != foldLine.end.row) {
	range.end.row = foldLine.end.row;
	line = "x";
	}
	if (/^\s*$/.test(line)) {
	range.end.row++;
	line = editor.session.getLine(range.end.row);
	range.end.column = /^\s*$/.test(line) ? line.length : 0;
	}
	var text = editor.session.getTextRange(range);
	if (editor.prevOp.command == this)
	exports.killRing.append(text);
	else
	exports.killRing.add(text);
	editor.session.remove(range);
	editor.clearSelection();
	},
	yank: function (editor) {
	editor.onPaste(exports.killRing.get() \|\| '');
	editor.keyBinding.$data.lastCommand = "yank";
	},
	yankRotate: function (editor) {
	if (editor.keyBinding.$data.lastCommand != "yank")
	return;
	editor.undo();
	editor.session.$emacsMarkRing.pop(); // also undo recording mark
	editor.onPaste(exports.killRing.rotate());
	editor.keyBinding.$data.lastCommand = "yank";
	},
	killRegion: {
	exec: function (editor) {
	exports.killRing.add(editor.getCopyText());
	editor.commands.byName.cut.exec(editor);
	editor.setEmacsMark(null);
	},
	readOnly: true,
	multiSelectAction: "forEach"
	},
	killRingSave: {
	exec: function (editor) {
	editor.$handlesEmacsOnCopy = true;
	var marks = editor.session.$emacsMarkRing.slice(), deselectedMarks = [];
	exports.killRing.add(editor.getCopyText());
	setTimeout(function () {
	function deselect() {
	var sel = editor.selection, range = sel.getRange(), pos = sel.isBackwards() ? range.end : range.start;
	deselectedMarks.push({ row: pos.row, column: pos.column });
	sel.clearSelection();
	}
	editor.$handlesEmacsOnCopy = false;
	if (editor.inMultiSelectMode)
	editor.forEachSelection({ exec: deselect });
	else
	deselect();
	editor.setEmacsMark(null);
	editor.session.$emacsMarkRing = marks.concat(deselectedMarks.reverse());
	}, 0);
	},
	readOnly: true
	},
	keyboardQuit: function (editor) {
	editor.selection.clearSelection();
	editor.setEmacsMark(null);
	editor.keyBinding.$data.count = null;
	},
	focusCommandLine: function (editor, arg) {
	if (editor.showCommandLine)
	editor.showCommandLine(arg);
	}
	});
	exports.handler.addCommands(iSearchCommandModule.iSearchStartCommands);
	var commands = exports.handler.commands;
	commands.yank.isYank = true;
	commands.yankRotate.isYank = true;
	exports.killRing = {
	$data: [],
	add: function (str) {
	str && this.$data.push(str);
	if (this.$data.length > 30)
	this.$data.shift();
	},
	append: function (str) {
	var idx = this.$data.length - 1;
	var text = this.$data[idx] \|\| "";
	if (str)
	text += str;
	if (text)
	this.$data[idx] = text;
	},
	get: function (n) {
	n = n \|\| 1;
	return this.$data.slice(this.$data.length - n, this.$data.length).reverse().join('\n');
	},
	pop: function () {
	if (this.$data.length > 1)
	this.$data.pop();
	return this.get();
	},
	rotate: function () {
	this.$data.unshift(this.$data.pop());
	return this.get();
	}
	};

	}); (function() {
	ace.require(["ace/keyboard/emacs"], function(m) {
	if (typeof module == "object" && typeof exports == "object" && module) {
	module.exports = m;
	}
	});
	})();

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