xref: /plugin/codemirror/dist/keymaps/vim.min.js.map

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CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: https://codemirror.net/LICENSE\n\n/**\n * Supported keybindings:\n *   Too many to list. Refer to defaultKeymap below.\n *\n * Supported Ex commands:\n *   Refer to defaultExCommandMap below.\n *\n * Registers: unnamed, -, a-z, A-Z, 0-9\n *   (Does not respect the special case for number registers when delete\n *    operator is made with these commands: %, (, ),  , /, ?, n, N, {, } )\n *   TODO: Implement the remaining registers.\n *\n * Marks: a-z, A-Z, and 0-9\n *   TODO: Implement the remaining special marks. They have more complex\n *       behavior.\n *\n * Events:\n *  'vim-mode-change' - raised on the editor anytime the current mode changes,\n *                      Event object: {mode: \"visual\", subMode: \"linewise\"}\n *\n * Code structure:\n *  1. Default keymap\n *  2. Variable declarations and short basic helpers\n *  3. Instance (External API) implementation\n *  4. Internal state tracking objects (input state, counter) implementation\n *     and instantiation\n *  5. Key handler (the main command dispatcher) implementation\n *  6. Motion, operator, and action implementations\n *  7. Helper functions for the key handler, motions, operators, and actions\n *  8. Set up Vim to work as a keymap for CodeMirror.\n *  9. Ex command implementations.\n */\n\n(function(mod) {\n  if (typeof exports == \"object\" && typeof module == \"object\") // CommonJS\n    mod(require(\"../lib/codemirror\"), require(\"../addon/search/searchcursor\"), require(\"../addon/dialog/dialog\"), require(\"../addon/edit/matchbrackets.js\"));\n  else if (typeof define == \"function\" && define.amd) // AMD\n    define([\"../lib/codemirror\", \"../addon/search/searchcursor\", \"../addon/dialog/dialog\", \"../addon/edit/matchbrackets\"], mod);\n  else // Plain browser env\n    mod(CodeMirror);\n})(function(CodeMirror) {\n  'use strict';\n\n  var defaultKeymap = [\n    // Key to key mapping. This goes first to make it possible to override\n    // existing mappings.\n    { keys: '<Left>', type: 'keyToKey', toKeys: 'h' },\n    { keys: '<Right>', type: 'keyToKey', toKeys: 'l' },\n    { keys: '<Up>', type: 'keyToKey', toKeys: 'k' },\n    { keys: '<Down>', type: 'keyToKey', toKeys: 'j' },\n    { keys: '<Space>', type: 'keyToKey', toKeys: 'l' },\n    { keys: '<BS>', type: 'keyToKey', toKeys: 'h', context: 'normal'},\n    { keys: '<Del>', type: 'keyToKey', toKeys: 'x', context: 'normal'},\n    { keys: '<C-Space>', type: 'keyToKey', toKeys: 'W' },\n    { keys: '<C-BS>', type: 'keyToKey', toKeys: 'B', context: 'normal' },\n    { keys: '<S-Space>', type: 'keyToKey', toKeys: 'w' },\n    { keys: '<S-BS>', type: 'keyToKey', toKeys: 'b', context: 'normal' },\n    { keys: '<C-n>', type: 'keyToKey', toKeys: 'j' },\n    { keys: '<C-p>', type: 'keyToKey', toKeys: 'k' },\n    { keys: '<C-[>', type: 'keyToKey', toKeys: '<Esc>' },\n    { keys: '<C-c>', type: 'keyToKey', toKeys: '<Esc>' },\n    { keys: '<C-[>', type: 'keyToKey', toKeys: '<Esc>', context: 'insert' },\n    { keys: '<C-c>', type: 'keyToKey', toKeys: '<Esc>', context: 'insert' },\n    { keys: 's', type: 'keyToKey', toKeys: 'cl', context: 'normal' },\n    { keys: 's', type: 'keyToKey', toKeys: 'c', context: 'visual'},\n    { keys: 'S', type: 'keyToKey', toKeys: 'cc', context: 'normal' },\n    { keys: 'S', type: 'keyToKey', toKeys: 'VdO', context: 'visual' },\n    { keys: '<Home>', type: 'keyToKey', toKeys: '0' },\n    { keys: '<End>', type: 'keyToKey', toKeys: '$' },\n    { keys: '<PageUp>', type: 'keyToKey', toKeys: '<C-b>' },\n    { keys: '<PageDown>', type: 'keyToKey', toKeys: '<C-f>' },\n    { keys: '<CR>', type: 'keyToKey', toKeys: 'j^', context: 'normal' },\n    { keys: '<Ins>', type: 'action', action: 'toggleOverwrite', context: 'insert' },\n    // Motions\n    { keys: 'H', type: 'motion', motion: 'moveToTopLine', motionArgs: { linewise: true, toJumplist: true }},\n    { keys: 'M', type: 'motion', motion: 'moveToMiddleLine', motionArgs: { linewise: true, toJumplist: true }},\n    { keys: 'L', type: 'motion', motion: 'moveToBottomLine', motionArgs: { linewise: true, toJumplist: true }},\n    { keys: 'h', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: false }},\n    { keys: 'l', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: true }},\n    { keys: 'j', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, linewise: true }},\n    { keys: 'k', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, linewise: true }},\n    { keys: 'gj', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: true }},\n    { keys: 'gk', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: false }},\n    { keys: 'w', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false }},\n    { keys: 'W', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false, bigWord: true }},\n    { keys: 'e', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, inclusive: true }},\n    { keys: 'E', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, bigWord: true, inclusive: true }},\n    { keys: 'b', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }},\n    { keys: 'B', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false, bigWord: true }},\n    { keys: 'ge', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, inclusive: true }},\n    { keys: 'gE', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, bigWord: true, inclusive: true }},\n    { keys: '{', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: false, toJumplist: true }},\n    { keys: '}', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: true, toJumplist: true }},\n    { keys: '(', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: false }},\n    { keys: ')', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: true }},\n    { keys: '<C-f>', type: 'motion', motion: 'moveByPage', motionArgs: { forward: true }},\n    { keys: '<C-b>', type: 'motion', motion: 'moveByPage', motionArgs: { forward: false }},\n    { keys: '<C-d>', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: true, explicitRepeat: true }},\n    { keys: '<C-u>', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: false, explicitRepeat: true }},\n    { keys: 'gg', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: false, explicitRepeat: true, linewise: true, toJumplist: true }},\n    { keys: 'G', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: true, explicitRepeat: true, linewise: true, toJumplist: true }},\n    { keys: '0', type: 'motion', motion: 'moveToStartOfLine' },\n    { keys: '^', type: 'motion', motion: 'moveToFirstNonWhiteSpaceCharacter' },\n    { keys: '+', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true }},\n    { keys: '-', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, toFirstChar:true }},\n    { keys: '_', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true, repeatOffset:-1 }},\n    { keys: '$', type: 'motion', motion: 'moveToEol', motionArgs: { inclusive: true }},\n    { keys: '%', type: 'motion', motion: 'moveToMatchedSymbol', motionArgs: { inclusive: true, toJumplist: true }},\n    { keys: 'f<character>', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: true , inclusive: true }},\n    { keys: 'F<character>', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: false }},\n    { keys: 't<character>', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: true, inclusive: true }},\n    { keys: 'T<character>', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: false }},\n    { keys: ';', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: true }},\n    { keys: ',', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: false }},\n    { keys: '\\'<character>', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true, linewise: true}},\n    { keys: '`<character>', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true}},\n    { keys: ']`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true } },\n    { keys: '[`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false } },\n    { keys: ']\\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true, linewise: true } },\n    { keys: '[\\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false, linewise: true } },\n    // the next two aren't motions but must come before more general motion declarations\n    { keys: ']p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true, matchIndent: true}},\n    { keys: '[p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true, matchIndent: true}},\n    { keys: ']<character>', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: true, toJumplist: true}},\n    { keys: '[<character>', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: false, toJumplist: true}},\n    { keys: '|', type: 'motion', motion: 'moveToColumn'},\n    { keys: 'o', type: 'motion', motion: 'moveToOtherHighlightedEnd', context:'visual'},\n    { keys: 'O', type: 'motion', motion: 'moveToOtherHighlightedEnd', motionArgs: {sameLine: true}, context:'visual'},\n    // Operators\n    { keys: 'd', type: 'operator', operator: 'delete' },\n    { keys: 'y', type: 'operator', operator: 'yank' },\n    { keys: 'c', type: 'operator', operator: 'change' },\n    { keys: '=', type: 'operator', operator: 'indentAuto' },\n    { keys: '>', type: 'operator', operator: 'indent', operatorArgs: { indentRight: true }},\n    { keys: '<', type: 'operator', operator: 'indent', operatorArgs: { indentRight: false }},\n    { keys: 'g~', type: 'operator', operator: 'changeCase' },\n    { keys: 'gu', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, isEdit: true },\n    { keys: 'gU', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, isEdit: true },\n    { keys: 'n', type: 'motion', motion: 'findNext', motionArgs: { forward: true, toJumplist: true }},\n    { keys: 'N', type: 'motion', motion: 'findNext', motionArgs: { forward: false, toJumplist: true }},\n    // Operator-Motion dual commands\n    { keys: 'x', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorMotionArgs: { visualLine: false }},\n    { keys: 'X', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: false }, operatorMotionArgs: { visualLine: true }},\n    { keys: 'D', type: 'operatorMotion', operator: 'delete', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'},\n    { keys: 'D', type: 'operator', operator: 'delete', operatorArgs: { linewise: true }, context: 'visual'},\n    { keys: 'Y', type: 'operatorMotion', operator: 'yank', motion: 'expandToLine', motionArgs: { linewise: true }, context: 'normal'},\n    { keys: 'Y', type: 'operator', operator: 'yank', operatorArgs: { linewise: true }, context: 'visual'},\n    { keys: 'C', type: 'operatorMotion', operator: 'change', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'},\n    { keys: 'C', type: 'operator', operator: 'change', operatorArgs: { linewise: true }, context: 'visual'},\n    { keys: '~', type: 'operatorMotion', operator: 'changeCase', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorArgs: { shouldMoveCursor: true }, context: 'normal'},\n    { keys: '~', type: 'operator', operator: 'changeCase', context: 'visual'},\n    { keys: '<C-w>', type: 'operatorMotion', operator: 'delete', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }, context: 'insert' },\n    //ignore C-w in normal mode\n    { keys: '<C-w>', type: 'idle', context: 'normal' },\n    // Actions\n    { keys: '<C-i>', type: 'action', action: 'jumpListWalk', actionArgs: { forward: true }},\n    { keys: '<C-o>', type: 'action', action: 'jumpListWalk', actionArgs: { forward: false }},\n    { keys: '<C-e>', type: 'action', action: 'scroll', actionArgs: { forward: true, linewise: true }},\n    { keys: '<C-y>', type: 'action', action: 'scroll', actionArgs: { forward: false, linewise: true }},\n    { keys: 'a', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'charAfter' }, context: 'normal' },\n    { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'eol' }, context: 'normal' },\n    { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'endOfSelectedArea' }, context: 'visual' },\n    { keys: 'i', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'inplace' }, context: 'normal' },\n    { keys: 'gi', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'lastEdit' }, context: 'normal' },\n    { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'firstNonBlank'}, context: 'normal' },\n    { keys: 'gI', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'bol'}, context: 'normal' },\n    { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'startOfSelectedArea' }, context: 'visual' },\n    { keys: 'o', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: true }, context: 'normal' },\n    { keys: 'O', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: false }, context: 'normal' },\n    { keys: 'v', type: 'action', action: 'toggleVisualMode' },\n    { keys: 'V', type: 'action', action: 'toggleVisualMode', actionArgs: { linewise: true }},\n    { keys: '<C-v>', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }},\n    { keys: '<C-q>', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }},\n    { keys: 'gv', type: 'action', action: 'reselectLastSelection' },\n    { keys: 'J', type: 'action', action: 'joinLines', isEdit: true },\n    { keys: 'gJ', type: 'action', action: 'joinLines', actionArgs: { keepSpaces: true }, isEdit: true },\n    { keys: 'p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true }},\n    { keys: 'P', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true }},\n    { keys: 'r<character>', type: 'action', action: 'replace', isEdit: true },\n    { keys: '@<character>', type: 'action', action: 'replayMacro' },\n    { keys: 'q<character>', type: 'action', action: 'enterMacroRecordMode' },\n    // Handle Replace-mode as a special case of insert mode.\n    { keys: 'R', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { replace: true }, context: 'normal'},\n    { keys: 'R', type: 'operator', operator: 'change', operatorArgs: { linewise: true, fullLine: true }, context: 'visual', exitVisualBlock: true},\n    { keys: 'u', type: 'action', action: 'undo', context: 'normal' },\n    { keys: 'u', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, context: 'visual', isEdit: true },\n    { keys: 'U', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, context: 'visual', isEdit: true },\n    { keys: '<C-r>', type: 'action', action: 'redo' },\n    { keys: 'm<character>', type: 'action', action: 'setMark' },\n    { keys: '\"<character>', type: 'action', action: 'setRegister' },\n    { keys: 'zz', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }},\n    { keys: 'z.', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },\n    { keys: 'zt', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }},\n    { keys: 'z<CR>', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },\n    { keys: 'z-', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }},\n    { keys: 'zb', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }, motion: 'moveToFirstNonWhiteSpaceCharacter' },\n    { keys: '.', type: 'action', action: 'repeatLastEdit' },\n    { keys: '<C-a>', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: true, backtrack: false}},\n    { keys: '<C-x>', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: false, backtrack: false}},\n    { keys: '<C-t>', type: 'action', action: 'indent', actionArgs: { indentRight: true }, context: 'insert' },\n    { keys: '<C-d>', type: 'action', action: 'indent', actionArgs: { indentRight: false }, context: 'insert' },\n    // Text object motions\n    { keys: 'a<character>', type: 'motion', motion: 'textObjectManipulation' },\n    { keys: 'i<character>', type: 'motion', motion: 'textObjectManipulation', motionArgs: { textObjectInner: true }},\n    // Search\n    { keys: '/', type: 'search', searchArgs: { forward: true, querySrc: 'prompt', toJumplist: true }},\n    { keys: '?', type: 'search', searchArgs: { forward: false, querySrc: 'prompt', toJumplist: true }},\n    { keys: '*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }},\n    { keys: '#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }},\n    { keys: 'g*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', toJumplist: true }},\n    { keys: 'g#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', toJumplist: true }},\n    // Ex command\n    { keys: ':', type: 'ex' }\n  ];\n  var defaultKeymapLength = defaultKeymap.length;\n\n  /**\n   * Ex commands\n   * Care must be taken when adding to the default Ex command map. For any\n   * pair of commands that have a shared prefix, at least one of their\n   * shortNames must not match the prefix of the other command.\n   */\n  var defaultExCommandMap = [\n    { name: 'colorscheme', shortName: 'colo' },\n    { name: 'map' },\n    { name: 'imap', shortName: 'im' },\n    { name: 'nmap', shortName: 'nm' },\n    { name: 'vmap', shortName: 'vm' },\n    { name: 'unmap' },\n    { name: 'write', shortName: 'w' },\n    { name: 'undo', shortName: 'u' },\n    { name: 'redo', shortName: 'red' },\n    { name: 'set', shortName: 'se' },\n    { name: 'setlocal', shortName: 'setl' },\n    { name: 'setglobal', shortName: 'setg' },\n    { name: 'sort', shortName: 'sor' },\n    { name: 'substitute', shortName: 's', possiblyAsync: true },\n    { name: 'nohlsearch', shortName: 'noh' },\n    { name: 'yank', shortName: 'y' },\n    { name: 'delmarks', shortName: 'delm' },\n    { name: 'registers', shortName: 'reg', excludeFromCommandHistory: true },\n    { name: 'global', shortName: 'g' }\n  ];\n\n  var Pos = CodeMirror.Pos;\n\n  var Vim = function() {\n    function enterVimMode(cm) {\n      cm.setOption('disableInput', true);\n      cm.setOption('showCursorWhenSelecting', false);\n      CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"normal\"});\n      cm.on('cursorActivity', onCursorActivity);\n      maybeInitVimState(cm);\n      CodeMirror.on(cm.getInputField(), 'paste', getOnPasteFn(cm));\n    }\n\n    function leaveVimMode(cm) {\n      cm.setOption('disableInput', false);\n      cm.off('cursorActivity', onCursorActivity);\n      CodeMirror.off(cm.getInputField(), 'paste', getOnPasteFn(cm));\n      cm.state.vim = null;\n    }\n\n    function detachVimMap(cm, next) {\n      if (this == CodeMirror.keyMap.vim) {\n        CodeMirror.rmClass(cm.getWrapperElement(), \"cm-fat-cursor\");\n        if (cm.getOption(\"inputStyle\") == \"contenteditable\" && document.body.style.caretColor != null) {\n          disableFatCursorMark(cm);\n          cm.getInputField().style.caretColor = \"\";\n        }\n      }\n\n      if (!next || next.attach != attachVimMap)\n        leaveVimMode(cm);\n    }\n    function attachVimMap(cm, prev) {\n      if (this == CodeMirror.keyMap.vim) {\n        CodeMirror.addClass(cm.getWrapperElement(), \"cm-fat-cursor\");\n        if (cm.getOption(\"inputStyle\") == \"contenteditable\" && document.body.style.caretColor != null) {\n          enableFatCursorMark(cm);\n          cm.getInputField().style.caretColor = \"transparent\";\n        }\n      }\n\n      if (!prev || prev.attach != attachVimMap)\n        enterVimMode(cm);\n    }\n\n    function updateFatCursorMark(cm) {\n      if (!cm.state.fatCursorMarks) return;\n      clearFatCursorMark(cm);\n      var ranges = cm.listSelections(), result = []\n      for (var i = 0; i < ranges.length; i++) {\n        var range = ranges[i];\n        if (range.empty()) {\n          var lineLength = cm.getLine(range.anchor.line).length;\n          if (range.anchor.ch < lineLength) {\n            result.push(cm.markText(range.anchor, Pos(range.anchor.line, range.anchor.ch + 1),\n                                    {className: \"cm-fat-cursor-mark\"}));\n          } else {\n            result.push(cm.markText(Pos(range.anchor.line, lineLength - 1),\n                                    Pos(range.anchor.line, lineLength),\n                                    {className: \"cm-fat-cursor-mark\"}));\n          }\n        }\n      }\n      cm.state.fatCursorMarks = result;\n    }\n\n    function clearFatCursorMark(cm) {\n      var marks = cm.state.fatCursorMarks;\n      if (marks) for (var i = 0; i < marks.length; i++) marks[i].clear();\n    }\n\n    function enableFatCursorMark(cm) {\n      cm.state.fatCursorMarks = [];\n      updateFatCursorMark(cm)\n      cm.on(\"cursorActivity\", updateFatCursorMark)\n    }\n\n    function disableFatCursorMark(cm) {\n      clearFatCursorMark(cm);\n      cm.off(\"cursorActivity\", updateFatCursorMark);\n      // explicitly set fatCursorMarks to null because event listener above\n      // can be invoke after removing it, if off is called from operation\n      cm.state.fatCursorMarks = null;\n    }\n\n    // Deprecated, simply setting the keymap works again.\n    CodeMirror.defineOption('vimMode', false, function(cm, val, prev) {\n      if (val && cm.getOption(\"keyMap\") != \"vim\")\n        cm.setOption(\"keyMap\", \"vim\");\n      else if (!val && prev != CodeMirror.Init && /^vim/.test(cm.getOption(\"keyMap\")))\n        cm.setOption(\"keyMap\", \"default\");\n    });\n\n    function cmKey(key, cm) {\n      if (!cm) { return undefined; }\n      if (this[key]) { return this[key]; }\n      var vimKey = cmKeyToVimKey(key);\n      if (!vimKey) {\n        return false;\n      }\n      var cmd = CodeMirror.Vim.findKey(cm, vimKey);\n      if (typeof cmd == 'function') {\n        CodeMirror.signal(cm, 'vim-keypress', vimKey);\n      }\n      return cmd;\n    }\n\n    var modifiers = {'Shift': 'S', 'Ctrl': 'C', 'Alt': 'A', 'Cmd': 'D', 'Mod': 'A'};\n    var specialKeys = {Enter:'CR',Backspace:'BS',Delete:'Del',Insert:'Ins'};\n    function cmKeyToVimKey(key) {\n      if (key.charAt(0) == '\\'') {\n        // Keypress character binding of format \"'a'\"\n        return key.charAt(1);\n      }\n      var pieces = key.split(/-(?!$)/);\n      var lastPiece = pieces[pieces.length - 1];\n      if (pieces.length == 1 && pieces[0].length == 1) {\n        // No-modifier bindings use literal character bindings above. Skip.\n        return false;\n      } else if (pieces.length == 2 && pieces[0] == 'Shift' && lastPiece.length == 1) {\n        // Ignore Shift+char bindings as they should be handled by literal character.\n        return false;\n      }\n      var hasCharacter = false;\n      for (var i = 0; i < pieces.length; i++) {\n        var piece = pieces[i];\n        if (piece in modifiers) { pieces[i] = modifiers[piece]; }\n        else { hasCharacter = true; }\n        if (piece in specialKeys) { pieces[i] = specialKeys[piece]; }\n      }\n      if (!hasCharacter) {\n        // Vim does not support modifier only keys.\n        return false;\n      }\n      // TODO: Current bindings expect the character to be lower case, but\n      // it looks like vim key notation uses upper case.\n      if (isUpperCase(lastPiece)) {\n        pieces[pieces.length - 1] = lastPiece.toLowerCase();\n      }\n      return '<' + pieces.join('-') + '>';\n    }\n\n    function getOnPasteFn(cm) {\n      var vim = cm.state.vim;\n      if (!vim.onPasteFn) {\n        vim.onPasteFn = function() {\n          if (!vim.insertMode) {\n            cm.setCursor(offsetCursor(cm.getCursor(), 0, 1));\n            actions.enterInsertMode(cm, {}, vim);\n          }\n        };\n      }\n      return vim.onPasteFn;\n    }\n\n    var numberRegex = /[\\d]/;\n    var wordCharTest = [CodeMirror.isWordChar, function(ch) {\n      return ch && !CodeMirror.isWordChar(ch) && !/\\s/.test(ch);\n    }], bigWordCharTest = [function(ch) {\n      return /\\S/.test(ch);\n    }];\n    function makeKeyRange(start, size) {\n      var keys = [];\n      for (var i = start; i < start + size; i++) {\n        keys.push(String.fromCharCode(i));\n      }\n      return keys;\n    }\n    var upperCaseAlphabet = makeKeyRange(65, 26);\n    var lowerCaseAlphabet = makeKeyRange(97, 26);\n    var numbers = makeKeyRange(48, 10);\n    var validMarks = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['<', '>']);\n    var validRegisters = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['-', '\"', '.', ':', '/']);\n\n    function isLine(cm, line) {\n      return line >= cm.firstLine() && line <= cm.lastLine();\n    }\n    function isLowerCase(k) {\n      return (/^[a-z]$/).test(k);\n    }\n    function isMatchableSymbol(k) {\n      return '()[]{}'.indexOf(k) != -1;\n    }\n    function isNumber(k) {\n      return numberRegex.test(k);\n    }\n    function isUpperCase(k) {\n      return (/^[A-Z]$/).test(k);\n    }\n    function isWhiteSpaceString(k) {\n      return (/^\\s*$/).test(k);\n    }\n    function isEndOfSentenceSymbol(k) {\n      return '.?!'.indexOf(k) != -1;\n    }\n    function inArray(val, arr) {\n      for (var i = 0; i < arr.length; i++) {\n        if (arr[i] == val) {\n          return true;\n        }\n      }\n      return false;\n    }\n\n    var options = {};\n    function defineOption(name, defaultValue, type, aliases, callback) {\n      if (defaultValue === undefined && !callback) {\n        throw Error('defaultValue is required unless callback is provided');\n      }\n      if (!type) { type = 'string'; }\n      options[name] = {\n        type: type,\n        defaultValue: defaultValue,\n        callback: callback\n      };\n      if (aliases) {\n        for (var i = 0; i < aliases.length; i++) {\n          options[aliases[i]] = options[name];\n        }\n      }\n      if (defaultValue) {\n        setOption(name, defaultValue);\n      }\n    }\n\n    function setOption(name, value, cm, cfg) {\n      var option = options[name];\n      cfg = cfg || {};\n      var scope = cfg.scope;\n      if (!option) {\n        return new Error('Unknown option: ' + name);\n      }\n      if (option.type == 'boolean') {\n        if (value && value !== true) {\n          return new Error('Invalid argument: ' + name + '=' + value);\n        } else if (value !== false) {\n          // Boolean options are set to true if value is not defined.\n          value = true;\n        }\n      }\n      if (option.callback) {\n        if (scope !== 'local') {\n          option.callback(value, undefined);\n        }\n        if (scope !== 'global' && cm) {\n          option.callback(value, cm);\n        }\n      } else {\n        if (scope !== 'local') {\n          option.value = option.type == 'boolean' ? !!value : value;\n        }\n        if (scope !== 'global' && cm) {\n          cm.state.vim.options[name] = {value: value};\n        }\n      }\n    }\n\n    function getOption(name, cm, cfg) {\n      var option = options[name];\n      cfg = cfg || {};\n      var scope = cfg.scope;\n      if (!option) {\n        return new Error('Unknown option: ' + name);\n      }\n      if (option.callback) {\n        var local = cm && option.callback(undefined, cm);\n        if (scope !== 'global' && local !== undefined) {\n          return local;\n        }\n        if (scope !== 'local') {\n          return option.callback();\n        }\n        return;\n      } else {\n        var local = (scope !== 'global') && (cm && cm.state.vim.options[name]);\n        return (local || (scope !== 'local') && option || {}).value;\n      }\n    }\n\n    defineOption('filetype', undefined, 'string', ['ft'], function(name, cm) {\n      // Option is local. Do nothing for global.\n      if (cm === undefined) {\n        return;\n      }\n      // The 'filetype' option proxies to the CodeMirror 'mode' option.\n      if (name === undefined) {\n        var mode = cm.getOption('mode');\n        return mode == 'null' ? '' : mode;\n      } else {\n        var mode = name == '' ? 'null' : name;\n        cm.setOption('mode', mode);\n      }\n    });\n\n    var createCircularJumpList = function() {\n      var size = 100;\n      var pointer = -1;\n      var head = 0;\n      var tail = 0;\n      var buffer = new Array(size);\n      function add(cm, oldCur, newCur) {\n        var current = pointer % size;\n        var curMark = buffer[current];\n        function useNextSlot(cursor) {\n          var next = ++pointer % size;\n          var trashMark = buffer[next];\n          if (trashMark) {\n            trashMark.clear();\n          }\n          buffer[next] = cm.setBookmark(cursor);\n        }\n        if (curMark) {\n          var markPos = curMark.find();\n          // avoid recording redundant cursor position\n          if (markPos && !cursorEqual(markPos, oldCur)) {\n            useNextSlot(oldCur);\n          }\n        } else {\n          useNextSlot(oldCur);\n        }\n        useNextSlot(newCur);\n        head = pointer;\n        tail = pointer - size + 1;\n        if (tail < 0) {\n          tail = 0;\n        }\n      }\n      function move(cm, offset) {\n        pointer += offset;\n        if (pointer > head) {\n          pointer = head;\n        } else if (pointer < tail) {\n          pointer = tail;\n        }\n        var mark = buffer[(size + pointer) % size];\n        // skip marks that are temporarily removed from text buffer\n        if (mark && !mark.find()) {\n          var inc = offset > 0 ? 1 : -1;\n          var newCur;\n          var oldCur = cm.getCursor();\n          do {\n            pointer += inc;\n            mark = buffer[(size + pointer) % size];\n            // skip marks that are the same as current position\n            if (mark &&\n                (newCur = mark.find()) &&\n                !cursorEqual(oldCur, newCur)) {\n              break;\n            }\n          } while (pointer < head && pointer > tail);\n        }\n        return mark;\n      }\n      function find(cm, offset) {\n        var oldPointer = pointer;\n        var mark = move(cm, offset);\n        pointer = oldPointer;\n        return mark && mark.find();\n      }\n      return {\n        cachedCursor: undefined, //used for # and * jumps\n        add: add,\n        find: find,\n        move: move\n      };\n    };\n\n    // Returns an object to track the changes associated insert mode.  It\n    // clones the object that is passed in, or creates an empty object one if\n    // none is provided.\n    var createInsertModeChanges = function(c) {\n      if (c) {\n        // Copy construction\n        return {\n          changes: c.changes,\n          expectCursorActivityForChange: c.expectCursorActivityForChange\n        };\n      }\n      return {\n        // Change list\n        changes: [],\n        // Set to true on change, false on cursorActivity.\n        expectCursorActivityForChange: false\n      };\n    };\n\n    function MacroModeState() {\n      this.latestRegister = undefined;\n      this.isPlaying = false;\n      this.isRecording = false;\n      this.replaySearchQueries = [];\n      this.onRecordingDone = undefined;\n      this.lastInsertModeChanges = createInsertModeChanges();\n    }\n    MacroModeState.prototype = {\n      exitMacroRecordMode: function() {\n        var macroModeState = vimGlobalState.macroModeState;\n        if (macroModeState.onRecordingDone) {\n          macroModeState.onRecordingDone(); // close dialog\n        }\n        macroModeState.onRecordingDone = undefined;\n        macroModeState.isRecording = false;\n      },\n      enterMacroRecordMode: function(cm, registerName) {\n        var register =\n            vimGlobalState.registerController.getRegister(registerName);\n        if (register) {\n          register.clear();\n          this.latestRegister = registerName;\n          if (cm.openDialog) {\n            this.onRecordingDone = cm.openDialog(\n                '(recording)['+registerName+']', null, {bottom:true});\n          }\n          this.isRecording = true;\n        }\n      }\n    };\n\n    function maybeInitVimState(cm) {\n      if (!cm.state.vim) {\n        // Store instance state in the CodeMirror object.\n        cm.state.vim = {\n          inputState: new InputState(),\n          // Vim's input state that triggered the last edit, used to repeat\n          // motions and operators with '.'.\n          lastEditInputState: undefined,\n          // Vim's action command before the last edit, used to repeat actions\n          // with '.' and insert mode repeat.\n          lastEditActionCommand: undefined,\n          // When using jk for navigation, if you move from a longer line to a\n          // shorter line, the cursor may clip to the end of the shorter line.\n          // If j is pressed again and cursor goes to the next line, the\n          // cursor should go back to its horizontal position on the longer\n          // line if it can. This is to keep track of the horizontal position.\n          lastHPos: -1,\n          // Doing the same with screen-position for gj/gk\n          lastHSPos: -1,\n          // The last motion command run. Cleared if a non-motion command gets\n          // executed in between.\n          lastMotion: null,\n          marks: {},\n          // Mark for rendering fake cursor for visual mode.\n          fakeCursor: null,\n          insertMode: false,\n          // Repeat count for changes made in insert mode, triggered by key\n          // sequences like 3,i. Only exists when insertMode is true.\n          insertModeRepeat: undefined,\n          visualMode: false,\n          // If we are in visual line mode. No effect if visualMode is false.\n          visualLine: false,\n          visualBlock: false,\n          lastSelection: null,\n          lastPastedText: null,\n          sel: {},\n          // Buffer-local/window-local values of vim options.\n          options: {}\n        };\n      }\n      return cm.state.vim;\n    }\n    var vimGlobalState;\n    function resetVimGlobalState() {\n      vimGlobalState = {\n        // The current search query.\n        searchQuery: null,\n        // Whether we are searching backwards.\n        searchIsReversed: false,\n        // Replace part of the last substituted pattern\n        lastSubstituteReplacePart: undefined,\n        jumpList: createCircularJumpList(),\n        macroModeState: new MacroModeState,\n        // Recording latest f, t, F or T motion command.\n        lastCharacterSearch: {increment:0, forward:true, selectedCharacter:''},\n        registerController: new RegisterController({}),\n        // search history buffer\n        searchHistoryController: new HistoryController(),\n        // ex Command history buffer\n        exCommandHistoryController : new HistoryController()\n      };\n      for (var optionName in options) {\n        var option = options[optionName];\n        option.value = option.defaultValue;\n      }\n    }\n\n    var lastInsertModeKeyTimer;\n    var vimApi= {\n      buildKeyMap: function() {\n        // TODO: Convert keymap into dictionary format for fast lookup.\n      },\n      // Testing hook, though it might be useful to expose the register\n      // controller anyways.\n      getRegisterController: function() {\n        return vimGlobalState.registerController;\n      },\n      // Testing hook.\n      resetVimGlobalState_: resetVimGlobalState,\n\n      // Testing hook.\n      getVimGlobalState_: function() {\n        return vimGlobalState;\n      },\n\n      // Testing hook.\n      maybeInitVimState_: maybeInitVimState,\n\n      suppressErrorLogging: false,\n\n      InsertModeKey: InsertModeKey,\n      map: function(lhs, rhs, ctx) {\n        // Add user defined key bindings.\n        exCommandDispatcher.map(lhs, rhs, ctx);\n      },\n      unmap: function(lhs, ctx) {\n        exCommandDispatcher.unmap(lhs, ctx);\n      },\n      // Non-recursive map function.\n      // NOTE: This will not create mappings to key maps that aren't present\n      // in the default key map. See TODO at bottom of function.\n      noremap: function(lhs, rhs, ctx) {\n        function toCtxArray(ctx) {\n          return ctx ? [ctx] : ['normal', 'insert', 'visual'];\n        }\n        var ctxsToMap = toCtxArray(ctx);\n        // Look through all actual defaults to find a map candidate.\n        var actualLength = defaultKeymap.length, origLength = defaultKeymapLength;\n        for (var i = actualLength - origLength;\n             i < actualLength && ctxsToMap.length;\n             i++) {\n          var mapping = defaultKeymap[i];\n          // Omit mappings that operate in the wrong context(s) and those of invalid type.\n          if (mapping.keys == rhs &&\n              (!ctx || !mapping.context || mapping.context === ctx) &&\n              mapping.type.substr(0, 2) !== 'ex' &&\n              mapping.type.substr(0, 3) !== 'key') {\n            // Make a shallow copy of the original keymap entry.\n            var newMapping = {};\n            for (var key in mapping) {\n              newMapping[key] = mapping[key];\n            }\n            // Modify it point to the new mapping with the proper context.\n            newMapping.keys = lhs;\n            if (ctx && !newMapping.context) {\n              newMapping.context = ctx;\n            }\n            // Add it to the keymap with a higher priority than the original.\n            this._mapCommand(newMapping);\n            // Record the mapped contexts as complete.\n            var mappedCtxs = toCtxArray(mapping.context);\n            ctxsToMap = ctxsToMap.filter(function(el) { return mappedCtxs.indexOf(el) === -1; });\n          }\n        }\n        // TODO: Create non-recursive keyToKey mappings for the unmapped contexts once those exist.\n      },\n      // Remove all user-defined mappings for the provided context.\n      mapclear: function(ctx) {\n        // Partition the existing keymap into user-defined and true defaults.\n        var actualLength = defaultKeymap.length,\n            origLength = defaultKeymapLength;\n        var userKeymap = defaultKeymap.slice(0, actualLength - origLength);\n        defaultKeymap = defaultKeymap.slice(actualLength - origLength);\n        if (ctx) {\n          // If a specific context is being cleared, we need to keep mappings\n          // from all other contexts.\n          for (var i = userKeymap.length - 1; i >= 0; i--) {\n            var mapping = userKeymap[i];\n            if (ctx !== mapping.context) {\n              if (mapping.context) {\n                this._mapCommand(mapping);\n              } else {\n                // `mapping` applies to all contexts so create keymap copies\n                // for each context except the one being cleared.\n                var contexts = ['normal', 'insert', 'visual'];\n                for (var j in contexts) {\n                  if (contexts[j] !== ctx) {\n                    var newMapping = {};\n                    for (var key in mapping) {\n                      newMapping[key] = mapping[key];\n                    }\n                    newMapping.context = contexts[j];\n                    this._mapCommand(newMapping);\n                  }\n                }\n              }\n            }\n          }\n        }\n      },\n      // TODO: Expose setOption and getOption as instance methods. Need to decide how to namespace\n      // them, or somehow make them work with the existing CodeMirror setOption/getOption API.\n      setOption: setOption,\n      getOption: getOption,\n      defineOption: defineOption,\n      defineEx: function(name, prefix, func){\n        if (!prefix) {\n          prefix = name;\n        } else if (name.indexOf(prefix) !== 0) {\n          throw new Error('(Vim.defineEx) \"'+prefix+'\" is not a prefix of \"'+name+'\", command not registered');\n        }\n        exCommands[name]=func;\n        exCommandDispatcher.commandMap_[prefix]={name:name, shortName:prefix, type:'api'};\n      },\n      handleKey: function (cm, key, origin) {\n        var command = this.findKey(cm, key, origin);\n        if (typeof command === 'function') {\n          return command();\n        }\n      },\n      /**\n       * This is the outermost function called by CodeMirror, after keys have\n       * been mapped to their Vim equivalents.\n       *\n       * Finds a command based on the key (and cached keys if there is a\n       * multi-key sequence). Returns `undefined` if no key is matched, a noop\n       * function if a partial match is found (multi-key), and a function to\n       * execute the bound command if a a key is matched. The function always\n       * returns true.\n       */\n      findKey: function(cm, key, origin) {\n        var vim = maybeInitVimState(cm);\n        function handleMacroRecording() {\n          var macroModeState = vimGlobalState.macroModeState;\n          if (macroModeState.isRecording) {\n            if (key == 'q') {\n              macroModeState.exitMacroRecordMode();\n              clearInputState(cm);\n              return true;\n            }\n            if (origin != 'mapping') {\n              logKey(macroModeState, key);\n            }\n          }\n        }\n        function handleEsc() {\n          if (key == '<Esc>') {\n            // Clear input state and get back to normal mode.\n            clearInputState(cm);\n            if (vim.visualMode) {\n              exitVisualMode(cm);\n            } else if (vim.insertMode) {\n              exitInsertMode(cm);\n            }\n            return true;\n          }\n        }\n        function doKeyToKey(keys) {\n          // TODO: prevent infinite recursion.\n          var match;\n          while (keys) {\n            // Pull off one command key, which is either a single character\n            // or a special sequence wrapped in '<' and '>', e.g. '<Space>'.\n            match = (/<\\w+-.+?>|<\\w+>|./).exec(keys);\n            key = match[0];\n            keys = keys.substring(match.index + key.length);\n            CodeMirror.Vim.handleKey(cm, key, 'mapping');\n          }\n        }\n\n        function handleKeyInsertMode() {\n          if (handleEsc()) { return true; }\n          var keys = vim.inputState.keyBuffer = vim.inputState.keyBuffer + key;\n          var keysAreChars = key.length == 1;\n          var match = commandDispatcher.matchCommand(keys, defaultKeymap, vim.inputState, 'insert');\n          // Need to check all key substrings in insert mode.\n          while (keys.length > 1 && match.type != 'full') {\n            var keys = vim.inputState.keyBuffer = keys.slice(1);\n            var thisMatch = commandDispatcher.matchCommand(keys, defaultKeymap, vim.inputState, 'insert');\n            if (thisMatch.type != 'none') { match = thisMatch; }\n          }\n          if (match.type == 'none') { clearInputState(cm); return false; }\n          else if (match.type == 'partial') {\n            if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); }\n            lastInsertModeKeyTimer = window.setTimeout(\n              function() { if (vim.insertMode && vim.inputState.keyBuffer) { clearInputState(cm); } },\n              getOption('insertModeEscKeysTimeout'));\n            return !keysAreChars;\n          }\n\n          if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); }\n          if (keysAreChars) {\n            var selections = cm.listSelections();\n            for (var i = 0; i < selections.length; i++) {\n              var here = selections[i].head;\n              cm.replaceRange('', offsetCursor(here, 0, -(keys.length - 1)), here, '+input');\n            }\n            vimGlobalState.macroModeState.lastInsertModeChanges.changes.pop();\n          }\n          clearInputState(cm);\n          return match.command;\n        }\n\n        function handleKeyNonInsertMode() {\n          if (handleMacroRecording() || handleEsc()) { return true; }\n\n          var keys = vim.inputState.keyBuffer = vim.inputState.keyBuffer + key;\n          if (/^[1-9]\\d*$/.test(keys)) { return true; }\n\n          var keysMatcher = /^(\\d*)(.*)$/.exec(keys);\n          if (!keysMatcher) { clearInputState(cm); return false; }\n          var context = vim.visualMode ? 'visual' :\n                                         'normal';\n          var match = commandDispatcher.matchCommand(keysMatcher[2] || keysMatcher[1], defaultKeymap, vim.inputState, context);\n          if (match.type == 'none') { clearInputState(cm); return false; }\n          else if (match.type == 'partial') { return true; }\n\n          vim.inputState.keyBuffer = '';\n          var keysMatcher = /^(\\d*)(.*)$/.exec(keys);\n          if (keysMatcher[1] && keysMatcher[1] != '0') {\n            vim.inputState.pushRepeatDigit(keysMatcher[1]);\n          }\n          return match.command;\n        }\n\n        var command;\n        if (vim.insertMode) { command = handleKeyInsertMode(); }\n        else { command = handleKeyNonInsertMode(); }\n        if (command === false) {\n          return !vim.insertMode && key.length === 1 ? function() { return true; } : undefined;\n        } else if (command === true) {\n          // TODO: Look into using CodeMirror's multi-key handling.\n          // Return no-op since we are caching the key. Counts as handled, but\n          // don't want act on it just yet.\n          return function() { return true; };\n        } else {\n          return function() {\n            return cm.operation(function() {\n              cm.curOp.isVimOp = true;\n              try {\n                if (command.type == 'keyToKey') {\n                  doKeyToKey(command.toKeys);\n                } else {\n                  commandDispatcher.processCommand(cm, vim, command);\n                }\n              } catch (e) {\n                // clear VIM state in case it's in a bad state.\n                cm.state.vim = undefined;\n                maybeInitVimState(cm);\n                if (!CodeMirror.Vim.suppressErrorLogging) {\n                  console['log'](e);\n                }\n                throw e;\n              }\n              return true;\n            });\n          };\n        }\n      },\n      handleEx: function(cm, input) {\n        exCommandDispatcher.processCommand(cm, input);\n      },\n\n      defineMotion: defineMotion,\n      defineAction: defineAction,\n      defineOperator: defineOperator,\n      mapCommand: mapCommand,\n      _mapCommand: _mapCommand,\n\n      defineRegister: defineRegister,\n\n      exitVisualMode: exitVisualMode,\n      exitInsertMode: exitInsertMode\n    };\n\n    // Represents the current input state.\n    function InputState() {\n      this.prefixRepeat = [];\n      this.motionRepeat = [];\n\n      this.operator = null;\n      this.operatorArgs = null;\n      this.motion = null;\n      this.motionArgs = null;\n      this.keyBuffer = []; // For matching multi-key commands.\n      this.registerName = null; // Defaults to the unnamed register.\n    }\n    InputState.prototype.pushRepeatDigit = function(n) {\n      if (!this.operator) {\n        this.prefixRepeat = this.prefixRepeat.concat(n);\n      } else {\n        this.motionRepeat = this.motionRepeat.concat(n);\n      }\n    };\n    InputState.prototype.getRepeat = function() {\n      var repeat = 0;\n      if (this.prefixRepeat.length > 0 || this.motionRepeat.length > 0) {\n        repeat = 1;\n        if (this.prefixRepeat.length > 0) {\n          repeat *= parseInt(this.prefixRepeat.join(''), 10);\n        }\n        if (this.motionRepeat.length > 0) {\n          repeat *= parseInt(this.motionRepeat.join(''), 10);\n        }\n      }\n      return repeat;\n    };\n\n    function clearInputState(cm, reason) {\n      cm.state.vim.inputState = new InputState();\n      CodeMirror.signal(cm, 'vim-command-done', reason);\n    }\n\n    /*\n     * Register stores information about copy and paste registers.  Besides\n     * text, a register must store whether it is linewise (i.e., when it is\n     * pasted, should it insert itself into a new line, or should the text be\n     * inserted at the cursor position.)\n     */\n    function Register(text, linewise, blockwise) {\n      this.clear();\n      this.keyBuffer = [text || ''];\n      this.insertModeChanges = [];\n      this.searchQueries = [];\n      this.linewise = !!linewise;\n      this.blockwise = !!blockwise;\n    }\n    Register.prototype = {\n      setText: function(text, linewise, blockwise) {\n        this.keyBuffer = [text || ''];\n        this.linewise = !!linewise;\n        this.blockwise = !!blockwise;\n      },\n      pushText: function(text, linewise) {\n        // if this register has ever been set to linewise, use linewise.\n        if (linewise) {\n          if (!this.linewise) {\n            this.keyBuffer.push('\\n');\n          }\n          this.linewise = true;\n        }\n        this.keyBuffer.push(text);\n      },\n      pushInsertModeChanges: function(changes) {\n        this.insertModeChanges.push(createInsertModeChanges(changes));\n      },\n      pushSearchQuery: function(query) {\n        this.searchQueries.push(query);\n      },\n      clear: function() {\n        this.keyBuffer = [];\n        this.insertModeChanges = [];\n        this.searchQueries = [];\n        this.linewise = false;\n      },\n      toString: function() {\n        return this.keyBuffer.join('');\n      }\n    };\n\n    /**\n     * Defines an external register.\n     *\n     * The name should be a single character that will be used to reference the register.\n     * The register should support setText, pushText, clear, and toString(). See Register\n     * for a reference implementation.\n     */\n    function defineRegister(name, register) {\n      var registers = vimGlobalState.registerController.registers;\n      if (!name || name.length != 1) {\n        throw Error('Register name must be 1 character');\n      }\n      if (registers[name]) {\n        throw Error('Register already defined ' + name);\n      }\n      registers[name] = register;\n      validRegisters.push(name);\n    }\n\n    /*\n     * vim registers allow you to keep many independent copy and paste buffers.\n     * See http://usevim.com/2012/04/13/registers/ for an introduction.\n     *\n     * RegisterController keeps the state of all the registers.  An initial\n     * state may be passed in.  The unnamed register '\"' will always be\n     * overridden.\n     */\n    function RegisterController(registers) {\n      this.registers = registers;\n      this.unnamedRegister = registers['\"'] = new Register();\n      registers['.'] = new Register();\n      registers[':'] = new Register();\n      registers['/'] = new Register();\n    }\n    RegisterController.prototype = {\n      pushText: function(registerName, operator, text, linewise, blockwise) {\n        if (linewise && text.charAt(text.length - 1) !== '\\n'){\n          text += '\\n';\n        }\n        // Lowercase and uppercase registers refer to the same register.\n        // Uppercase just means append.\n        var register = this.isValidRegister(registerName) ?\n            this.getRegister(registerName) : null;\n        // if no register/an invalid register was specified, things go to the\n        // default registers\n        if (!register) {\n          switch (operator) {\n            case 'yank':\n              // The 0 register contains the text from the most recent yank.\n              this.registers['0'] = new Register(text, linewise, blockwise);\n              break;\n            case 'delete':\n            case 'change':\n              if (text.indexOf('\\n') == -1) {\n                // Delete less than 1 line. Update the small delete register.\n                this.registers['-'] = new Register(text, linewise);\n              } else {\n                // Shift down the contents of the numbered registers and put the\n                // deleted text into register 1.\n                this.shiftNumericRegisters_();\n                this.registers['1'] = new Register(text, linewise);\n              }\n              break;\n          }\n          // Make sure the unnamed register is set to what just happened\n          this.unnamedRegister.setText(text, linewise, blockwise);\n          return;\n        }\n\n        // If we've gotten to this point, we've actually specified a register\n        var append = isUpperCase(registerName);\n        if (append) {\n          register.pushText(text, linewise);\n        } else {\n          register.setText(text, linewise, blockwise);\n        }\n        // The unnamed register always has the same value as the last used\n        // register.\n        this.unnamedRegister.setText(register.toString(), linewise);\n      },\n      // Gets the register named @name.  If one of @name doesn't already exist,\n      // create it.  If @name is invalid, return the unnamedRegister.\n      getRegister: function(name) {\n        if (!this.isValidRegister(name)) {\n          return this.unnamedRegister;\n        }\n        name = name.toLowerCase();\n        if (!this.registers[name]) {\n          this.registers[name] = new Register();\n        }\n        return this.registers[name];\n      },\n      isValidRegister: function(name) {\n        return name && inArray(name, validRegisters);\n      },\n      shiftNumericRegisters_: function() {\n        for (var i = 9; i >= 2; i--) {\n          this.registers[i] = this.getRegister('' + (i - 1));\n        }\n      }\n    };\n    function HistoryController() {\n        this.historyBuffer = [];\n        this.iterator = 0;\n        this.initialPrefix = null;\n    }\n    HistoryController.prototype = {\n      // the input argument here acts a user entered prefix for a small time\n      // until we start autocompletion in which case it is the autocompleted.\n      nextMatch: function (input, up) {\n        var historyBuffer = this.historyBuffer;\n        var dir = up ? -1 : 1;\n        if (this.initialPrefix === null) this.initialPrefix = input;\n        for (var i = this.iterator + dir; up ? i >= 0 : i < historyBuffer.length; i+= dir) {\n          var element = historyBuffer[i];\n          for (var j = 0; j <= element.length; j++) {\n            if (this.initialPrefix == element.substring(0, j)) {\n              this.iterator = i;\n              return element;\n            }\n          }\n        }\n        // should return the user input in case we reach the end of buffer.\n        if (i >= historyBuffer.length) {\n          this.iterator = historyBuffer.length;\n          return this.initialPrefix;\n        }\n        // return the last autocompleted query or exCommand as it is.\n        if (i < 0 ) return input;\n      },\n      pushInput: function(input) {\n        var index = this.historyBuffer.indexOf(input);\n        if (index > -1) this.historyBuffer.splice(index, 1);\n        if (input.length) this.historyBuffer.push(input);\n      },\n      reset: function() {\n        this.initialPrefix = null;\n        this.iterator = this.historyBuffer.length;\n      }\n    };\n    var commandDispatcher = {\n      matchCommand: function(keys, keyMap, inputState, context) {\n        var matches = commandMatches(keys, keyMap, context, inputState);\n        if (!matches.full && !matches.partial) {\n          return {type: 'none'};\n        } else if (!matches.full && matches.partial) {\n          return {type: 'partial'};\n        }\n\n        var bestMatch;\n        for (var i = 0; i < matches.full.length; i++) {\n          var match = matches.full[i];\n          if (!bestMatch) {\n            bestMatch = match;\n          }\n        }\n        if (bestMatch.keys.slice(-11) == '<character>') {\n          var character = lastChar(keys);\n          if (!character) return {type: 'none'};\n          inputState.selectedCharacter = character;\n        }\n        return {type: 'full', command: bestMatch};\n      },\n      processCommand: function(cm, vim, command) {\n        vim.inputState.repeatOverride = command.repeatOverride;\n        switch (command.type) {\n          case 'motion':\n            this.processMotion(cm, vim, command);\n            break;\n          case 'operator':\n            this.processOperator(cm, vim, command);\n            break;\n          case 'operatorMotion':\n            this.processOperatorMotion(cm, vim, command);\n            break;\n          case 'action':\n            this.processAction(cm, vim, command);\n            break;\n          case 'search':\n            this.processSearch(cm, vim, command);\n            break;\n          case 'ex':\n          case 'keyToEx':\n            this.processEx(cm, vim, command);\n            break;\n          default:\n            break;\n        }\n      },\n      processMotion: function(cm, vim, command) {\n        vim.inputState.motion = command.motion;\n        vim.inputState.motionArgs = copyArgs(command.motionArgs);\n        this.evalInput(cm, vim);\n      },\n      processOperator: function(cm, vim, command) {\n        var inputState = vim.inputState;\n        if (inputState.operator) {\n          if (inputState.operator == command.operator) {\n            // Typing an operator twice like 'dd' makes the operator operate\n            // linewise\n            inputState.motion = 'expandToLine';\n            inputState.motionArgs = { linewise: true };\n            this.evalInput(cm, vim);\n            return;\n          } else {\n            // 2 different operators in a row doesn't make sense.\n            clearInputState(cm);\n          }\n        }\n        inputState.operator = command.operator;\n        inputState.operatorArgs = copyArgs(command.operatorArgs);\n        if (command.exitVisualBlock) {\n            vim.visualBlock = false;\n            updateCmSelection(cm);\n        }\n        if (vim.visualMode) {\n          // Operating on a selection in visual mode. We don't need a motion.\n          this.evalInput(cm, vim);\n        }\n      },\n      processOperatorMotion: function(cm, vim, command) {\n        var visualMode = vim.visualMode;\n        var operatorMotionArgs = copyArgs(command.operatorMotionArgs);\n        if (operatorMotionArgs) {\n          // Operator motions may have special behavior in visual mode.\n          if (visualMode && operatorMotionArgs.visualLine) {\n            vim.visualLine = true;\n          }\n        }\n        this.processOperator(cm, vim, command);\n        if (!visualMode) {\n          this.processMotion(cm, vim, command);\n        }\n      },\n      processAction: function(cm, vim, command) {\n        var inputState = vim.inputState;\n        var repeat = inputState.getRepeat();\n        var repeatIsExplicit = !!repeat;\n        var actionArgs = copyArgs(command.actionArgs) || {};\n        if (inputState.selectedCharacter) {\n          actionArgs.selectedCharacter = inputState.selectedCharacter;\n        }\n        // Actions may or may not have motions and operators. Do these first.\n        if (command.operator) {\n          this.processOperator(cm, vim, command);\n        }\n        if (command.motion) {\n          this.processMotion(cm, vim, command);\n        }\n        if (command.motion || command.operator) {\n          this.evalInput(cm, vim);\n        }\n        actionArgs.repeat = repeat || 1;\n        actionArgs.repeatIsExplicit = repeatIsExplicit;\n        actionArgs.registerName = inputState.registerName;\n        clearInputState(cm);\n        vim.lastMotion = null;\n        if (command.isEdit) {\n          this.recordLastEdit(vim, inputState, command);\n        }\n        actions[command.action](cm, actionArgs, vim);\n      },\n      processSearch: function(cm, vim, command) {\n        if (!cm.getSearchCursor) {\n          // Search depends on SearchCursor.\n          return;\n        }\n        var forward = command.searchArgs.forward;\n        var wholeWordOnly = command.searchArgs.wholeWordOnly;\n        getSearchState(cm).setReversed(!forward);\n        var promptPrefix = (forward) ? '/' : '?';\n        var originalQuery = getSearchState(cm).getQuery();\n        var originalScrollPos = cm.getScrollInfo();\n        function handleQuery(query, ignoreCase, smartCase) {\n          vimGlobalState.searchHistoryController.pushInput(query);\n          vimGlobalState.searchHistoryController.reset();\n          try {\n            updateSearchQuery(cm, query, ignoreCase, smartCase);\n          } catch (e) {\n            showConfirm(cm, 'Invalid regex: ' + query);\n            clearInputState(cm);\n            return;\n          }\n          commandDispatcher.processMotion(cm, vim, {\n            type: 'motion',\n            motion: 'findNext',\n            motionArgs: { forward: true, toJumplist: command.searchArgs.toJumplist }\n          });\n        }\n        function onPromptClose(query) {\n          cm.scrollTo(originalScrollPos.left, originalScrollPos.top);\n          handleQuery(query, true /** ignoreCase */, true /** smartCase */);\n          var macroModeState = vimGlobalState.macroModeState;\n          if (macroModeState.isRecording) {\n            logSearchQuery(macroModeState, query);\n          }\n        }\n        function onPromptKeyUp(e, query, close) {\n          var keyName = CodeMirror.keyName(e), up, offset;\n          if (keyName == 'Up' || keyName == 'Down') {\n            up = keyName == 'Up' ? true : false;\n            offset = e.target ? e.target.selectionEnd : 0;\n            query = vimGlobalState.searchHistoryController.nextMatch(query, up) || '';\n            close(query);\n            if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length);\n          } else {\n            if ( keyName != 'Left' && keyName != 'Right' && keyName != 'Ctrl' && keyName != 'Alt' && keyName != 'Shift')\n              vimGlobalState.searchHistoryController.reset();\n          }\n          var parsedQuery;\n          try {\n            parsedQuery = updateSearchQuery(cm, query,\n                true /** ignoreCase */, true /** smartCase */);\n          } catch (e) {\n            // Swallow bad regexes for incremental search.\n          }\n          if (parsedQuery) {\n            cm.scrollIntoView(findNext(cm, !forward, parsedQuery), 30);\n          } else {\n            clearSearchHighlight(cm);\n            cm.scrollTo(originalScrollPos.left, originalScrollPos.top);\n          }\n        }\n        function onPromptKeyDown(e, query, close) {\n          var keyName = CodeMirror.keyName(e);\n          if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[' ||\n              (keyName == 'Backspace' && query == '')) {\n            vimGlobalState.searchHistoryController.pushInput(query);\n            vimGlobalState.searchHistoryController.reset();\n            updateSearchQuery(cm, originalQuery);\n            clearSearchHighlight(cm);\n            cm.scrollTo(originalScrollPos.left, originalScrollPos.top);\n            CodeMirror.e_stop(e);\n            clearInputState(cm);\n            close();\n            cm.focus();\n          } else if (keyName == 'Up' || keyName == 'Down') {\n            CodeMirror.e_stop(e);\n          } else if (keyName == 'Ctrl-U') {\n            // Ctrl-U clears input.\n            CodeMirror.e_stop(e);\n            close('');\n          }\n        }\n        switch (command.searchArgs.querySrc) {\n          case 'prompt':\n            var macroModeState = vimGlobalState.macroModeState;\n            if (macroModeState.isPlaying) {\n              var query = macroModeState.replaySearchQueries.shift();\n              handleQuery(query, true /** ignoreCase */, false /** smartCase */);\n            } else {\n              showPrompt(cm, {\n                  onClose: onPromptClose,\n                  prefix: promptPrefix,\n                  desc: searchPromptDesc,\n                  onKeyUp: onPromptKeyUp,\n                  onKeyDown: onPromptKeyDown\n              });\n            }\n            break;\n          case 'wordUnderCursor':\n            var word = expandWordUnderCursor(cm, false /** inclusive */,\n                true /** forward */, false /** bigWord */,\n                true /** noSymbol */);\n            var isKeyword = true;\n            if (!word) {\n              word = expandWordUnderCursor(cm, false /** inclusive */,\n                  true /** forward */, false /** bigWord */,\n                  false /** noSymbol */);\n              isKeyword = false;\n            }\n            if (!word) {\n              return;\n            }\n            var query = cm.getLine(word.start.line).substring(word.start.ch,\n                word.end.ch);\n            if (isKeyword && wholeWordOnly) {\n                query = '\\\\b' + query + '\\\\b';\n            } else {\n              query = escapeRegex(query);\n            }\n\n            // cachedCursor is used to save the old position of the cursor\n            // when * or # causes vim to seek for the nearest word and shift\n            // the cursor before entering the motion.\n            vimGlobalState.jumpList.cachedCursor = cm.getCursor();\n            cm.setCursor(word.start);\n\n            handleQuery(query, true /** ignoreCase */, false /** smartCase */);\n            break;\n        }\n      },\n      processEx: function(cm, vim, command) {\n        function onPromptClose(input) {\n          // Give the prompt some time to close so that if processCommand shows\n          // an error, the elements don't overlap.\n          vimGlobalState.exCommandHistoryController.pushInput(input);\n          vimGlobalState.exCommandHistoryController.reset();\n          exCommandDispatcher.processCommand(cm, input);\n        }\n        function onPromptKeyDown(e, input, close) {\n          var keyName = CodeMirror.keyName(e), up, offset;\n          if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[' ||\n              (keyName == 'Backspace' && input == '')) {\n            vimGlobalState.exCommandHistoryController.pushInput(input);\n            vimGlobalState.exCommandHistoryController.reset();\n            CodeMirror.e_stop(e);\n            clearInputState(cm);\n            close();\n            cm.focus();\n          }\n          if (keyName == 'Up' || keyName == 'Down') {\n            CodeMirror.e_stop(e);\n            up = keyName == 'Up' ? true : false;\n            offset = e.target ? e.target.selectionEnd : 0;\n            input = vimGlobalState.exCommandHistoryController.nextMatch(input, up) || '';\n            close(input);\n            if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length);\n          } else if (keyName == 'Ctrl-U') {\n            // Ctrl-U clears input.\n            CodeMirror.e_stop(e);\n            close('');\n          } else {\n            if ( keyName != 'Left' && keyName != 'Right' && keyName != 'Ctrl' && keyName != 'Alt' && keyName != 'Shift')\n              vimGlobalState.exCommandHistoryController.reset();\n          }\n        }\n        if (command.type == 'keyToEx') {\n          // Handle user defined Ex to Ex mappings\n          exCommandDispatcher.processCommand(cm, command.exArgs.input);\n        } else {\n          if (vim.visualMode) {\n            showPrompt(cm, { onClose: onPromptClose, prefix: ':', value: '\\'<,\\'>',\n                onKeyDown: onPromptKeyDown, selectValueOnOpen: false});\n          } else {\n            showPrompt(cm, { onClose: onPromptClose, prefix: ':',\n                onKeyDown: onPromptKeyDown});\n          }\n        }\n      },\n      evalInput: function(cm, vim) {\n        // If the motion command is set, execute both the operator and motion.\n        // Otherwise return.\n        var inputState = vim.inputState;\n        var motion = inputState.motion;\n        var motionArgs = inputState.motionArgs || {};\n        var operator = inputState.operator;\n        var operatorArgs = inputState.operatorArgs || {};\n        var registerName = inputState.registerName;\n        var sel = vim.sel;\n        // TODO: Make sure cm and vim selections are identical outside visual mode.\n        var origHead = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.head): cm.getCursor('head'));\n        var origAnchor = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.anchor) : cm.getCursor('anchor'));\n        var oldHead = copyCursor(origHead);\n        var oldAnchor = copyCursor(origAnchor);\n        var newHead, newAnchor;\n        var repeat;\n        if (operator) {\n          this.recordLastEdit(vim, inputState);\n        }\n        if (inputState.repeatOverride !== undefined) {\n          // If repeatOverride is specified, that takes precedence over the\n          // input state's repeat. Used by Ex mode and can be user defined.\n          repeat = inputState.repeatOverride;\n        } else {\n          repeat = inputState.getRepeat();\n        }\n        if (repeat > 0 && motionArgs.explicitRepeat) {\n          motionArgs.repeatIsExplicit = true;\n        } else if (motionArgs.noRepeat ||\n            (!motionArgs.explicitRepeat && repeat === 0)) {\n          repeat = 1;\n          motionArgs.repeatIsExplicit = false;\n        }\n        if (inputState.selectedCharacter) {\n          // If there is a character input, stick it in all of the arg arrays.\n          motionArgs.selectedCharacter = operatorArgs.selectedCharacter =\n              inputState.selectedCharacter;\n        }\n        motionArgs.repeat = repeat;\n        clearInputState(cm);\n        if (motion) {\n          var motionResult = motions[motion](cm, origHead, motionArgs, vim);\n          vim.lastMotion = motions[motion];\n          if (!motionResult) {\n            return;\n          }\n          if (motionArgs.toJumplist) {\n            var jumpList = vimGlobalState.jumpList;\n            // if the current motion is # or *, use cachedCursor\n            var cachedCursor = jumpList.cachedCursor;\n            if (cachedCursor) {\n              recordJumpPosition(cm, cachedCursor, motionResult);\n              delete jumpList.cachedCursor;\n            } else {\n              recordJumpPosition(cm, origHead, motionResult);\n            }\n          }\n          if (motionResult instanceof Array) {\n            newAnchor = motionResult[0];\n            newHead = motionResult[1];\n          } else {\n            newHead = motionResult;\n          }\n          // TODO: Handle null returns from motion commands better.\n          if (!newHead) {\n            newHead = copyCursor(origHead);\n          }\n          if (vim.visualMode) {\n            if (!(vim.visualBlock && newHead.ch === Infinity)) {\n              newHead = clipCursorToContent(cm, newHead);\n            }\n            if (newAnchor) {\n              newAnchor = clipCursorToContent(cm, newAnchor);\n            }\n            newAnchor = newAnchor || oldAnchor;\n            sel.anchor = newAnchor;\n            sel.head = newHead;\n            updateCmSelection(cm);\n            updateMark(cm, vim, '<',\n                cursorIsBefore(newAnchor, newHead) ? newAnchor\n                    : newHead);\n            updateMark(cm, vim, '>',\n                cursorIsBefore(newAnchor, newHead) ? newHead\n                    : newAnchor);\n          } else if (!operator) {\n            newHead = clipCursorToContent(cm, newHead);\n            cm.setCursor(newHead.line, newHead.ch);\n          }\n        }\n        if (operator) {\n          if (operatorArgs.lastSel) {\n            // Replaying a visual mode operation\n            newAnchor = oldAnchor;\n            var lastSel = operatorArgs.lastSel;\n            var lineOffset = Math.abs(lastSel.head.line - lastSel.anchor.line);\n            var chOffset = Math.abs(lastSel.head.ch - lastSel.anchor.ch);\n            if (lastSel.visualLine) {\n              // Linewise Visual mode: The same number of lines.\n              newHead = Pos(oldAnchor.line + lineOffset, oldAnchor.ch);\n            } else if (lastSel.visualBlock) {\n              // Blockwise Visual mode: The same number of lines and columns.\n              newHead = Pos(oldAnchor.line + lineOffset, oldAnchor.ch + chOffset);\n            } else if (lastSel.head.line == lastSel.anchor.line) {\n              // Normal Visual mode within one line: The same number of characters.\n              newHead = Pos(oldAnchor.line, oldAnchor.ch + chOffset);\n            } else {\n              // Normal Visual mode with several lines: The same number of lines, in the\n              // last line the same number of characters as in the last line the last time.\n              newHead = Pos(oldAnchor.line + lineOffset, oldAnchor.ch);\n            }\n            vim.visualMode = true;\n            vim.visualLine = lastSel.visualLine;\n            vim.visualBlock = lastSel.visualBlock;\n            sel = vim.sel = {\n              anchor: newAnchor,\n              head: newHead\n            };\n            updateCmSelection(cm);\n          } else if (vim.visualMode) {\n            operatorArgs.lastSel = {\n              anchor: copyCursor(sel.anchor),\n              head: copyCursor(sel.head),\n              visualBlock: vim.visualBlock,\n              visualLine: vim.visualLine\n            };\n          }\n          var curStart, curEnd, linewise, mode;\n          var cmSel;\n          if (vim.visualMode) {\n            // Init visual op\n            curStart = cursorMin(sel.head, sel.anchor);\n            curEnd = cursorMax(sel.head, sel.anchor);\n            linewise = vim.visualLine || operatorArgs.linewise;\n            mode = vim.visualBlock ? 'block' :\n                   linewise ? 'line' :\n                   'char';\n            cmSel = makeCmSelection(cm, {\n              anchor: curStart,\n              head: curEnd\n            }, mode);\n            if (linewise) {\n              var ranges = cmSel.ranges;\n              if (mode == 'block') {\n                // Linewise operators in visual block mode extend to end of line\n                for (var i = 0; i < ranges.length; i++) {\n                  ranges[i].head.ch = lineLength(cm, ranges[i].head.line);\n                }\n              } else if (mode == 'line') {\n                ranges[0].head = Pos(ranges[0].head.line + 1, 0);\n              }\n            }\n          } else {\n            // Init motion op\n            curStart = copyCursor(newAnchor || oldAnchor);\n            curEnd = copyCursor(newHead || oldHead);\n            if (cursorIsBefore(curEnd, curStart)) {\n              var tmp = curStart;\n              curStart = curEnd;\n              curEnd = tmp;\n            }\n            linewise = motionArgs.linewise || operatorArgs.linewise;\n            if (linewise) {\n              // Expand selection to entire line.\n              expandSelectionToLine(cm, curStart, curEnd);\n            } else if (motionArgs.forward) {\n              // Clip to trailing newlines only if the motion goes forward.\n              clipToLine(cm, curStart, curEnd);\n            }\n            mode = 'char';\n            var exclusive = !motionArgs.inclusive || linewise;\n            cmSel = makeCmSelection(cm, {\n              anchor: curStart,\n              head: curEnd\n            }, mode, exclusive);\n          }\n          cm.setSelections(cmSel.ranges, cmSel.primary);\n          vim.lastMotion = null;\n          operatorArgs.repeat = repeat; // For indent in visual mode.\n          operatorArgs.registerName = registerName;\n          // Keep track of linewise as it affects how paste and change behave.\n          operatorArgs.linewise = linewise;\n          var operatorMoveTo = operators[operator](\n            cm, operatorArgs, cmSel.ranges, oldAnchor, newHead);\n          if (vim.visualMode) {\n            exitVisualMode(cm, operatorMoveTo != null);\n          }\n          if (operatorMoveTo) {\n            cm.setCursor(operatorMoveTo);\n          }\n        }\n      },\n      recordLastEdit: function(vim, inputState, actionCommand) {\n        var macroModeState = vimGlobalState.macroModeState;\n        if (macroModeState.isPlaying) { return; }\n        vim.lastEditInputState = inputState;\n        vim.lastEditActionCommand = actionCommand;\n        macroModeState.lastInsertModeChanges.changes = [];\n        macroModeState.lastInsertModeChanges.expectCursorActivityForChange = false;\n        macroModeState.lastInsertModeChanges.visualBlock = vim.visualBlock ? vim.sel.head.line - vim.sel.anchor.line : 0;\n      }\n    };\n\n    /**\n     * typedef {Object{line:number,ch:number}} Cursor An object containing the\n     *     position of the cursor.\n     */\n    // All of the functions below return Cursor objects.\n    var motions = {\n      moveToTopLine: function(cm, _head, motionArgs) {\n        var line = getUserVisibleLines(cm).top + motionArgs.repeat -1;\n        return Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));\n      },\n      moveToMiddleLine: function(cm) {\n        var range = getUserVisibleLines(cm);\n        var line = Math.floor((range.top + range.bottom) * 0.5);\n        return Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));\n      },\n      moveToBottomLine: function(cm, _head, motionArgs) {\n        var line = getUserVisibleLines(cm).bottom - motionArgs.repeat +1;\n        return Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line)));\n      },\n      expandToLine: function(_cm, head, motionArgs) {\n        // Expands forward to end of line, and then to next line if repeat is\n        // >1. Does not handle backward motion!\n        var cur = head;\n        return Pos(cur.line + motionArgs.repeat - 1, Infinity);\n      },\n      findNext: function(cm, _head, motionArgs) {\n        var state = getSearchState(cm);\n        var query = state.getQuery();\n        if (!query) {\n          return;\n        }\n        var prev = !motionArgs.forward;\n        // If search is initiated with ? instead of /, negate direction.\n        prev = (state.isReversed()) ? !prev : prev;\n        highlightSearchMatches(cm, query);\n        return findNext(cm, prev/** prev */, query, motionArgs.repeat);\n      },\n      goToMark: function(cm, _head, motionArgs, vim) {\n        var pos = getMarkPos(cm, vim, motionArgs.selectedCharacter);\n        if (pos) {\n          return motionArgs.linewise ? { line: pos.line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(pos.line)) } : pos;\n        }\n        return null;\n      },\n      moveToOtherHighlightedEnd: function(cm, _head, motionArgs, vim) {\n        if (vim.visualBlock && motionArgs.sameLine) {\n          var sel = vim.sel;\n          return [\n            clipCursorToContent(cm, Pos(sel.anchor.line, sel.head.ch)),\n            clipCursorToContent(cm, Pos(sel.head.line, sel.anchor.ch))\n          ];\n        } else {\n          return ([vim.sel.head, vim.sel.anchor]);\n        }\n      },\n      jumpToMark: function(cm, head, motionArgs, vim) {\n        var best = head;\n        for (var i = 0; i < motionArgs.repeat; i++) {\n          var cursor = best;\n          for (var key in vim.marks) {\n            if (!isLowerCase(key)) {\n              continue;\n            }\n            var mark = vim.marks[key].find();\n            var isWrongDirection = (motionArgs.forward) ?\n              cursorIsBefore(mark, cursor) : cursorIsBefore(cursor, mark);\n\n            if (isWrongDirection) {\n              continue;\n            }\n            if (motionArgs.linewise && (mark.line == cursor.line)) {\n              continue;\n            }\n\n            var equal = cursorEqual(cursor, best);\n            var between = (motionArgs.forward) ?\n              cursorIsBetween(cursor, mark, best) :\n              cursorIsBetween(best, mark, cursor);\n\n            if (equal || between) {\n              best = mark;\n            }\n          }\n        }\n\n        if (motionArgs.linewise) {\n          // Vim places the cursor on the first non-whitespace character of\n          // the line if there is one, else it places the cursor at the end\n          // of the line, regardless of whether a mark was found.\n          best = Pos(best.line, findFirstNonWhiteSpaceCharacter(cm.getLine(best.line)));\n        }\n        return best;\n      },\n      moveByCharacters: function(_cm, head, motionArgs) {\n        var cur = head;\n        var repeat = motionArgs.repeat;\n        var ch = motionArgs.forward ? cur.ch + repeat : cur.ch - repeat;\n        return Pos(cur.line, ch);\n      },\n      moveByLines: function(cm, head, motionArgs, vim) {\n        var cur = head;\n        var endCh = cur.ch;\n        // Depending what our last motion was, we may want to do different\n        // things. If our last motion was moving vertically, we want to\n        // preserve the HPos from our last horizontal move.  If our last motion\n        // was going to the end of a line, moving vertically we should go to\n        // the end of the line, etc.\n        switch (vim.lastMotion) {\n          case this.moveByLines:\n          case this.moveByDisplayLines:\n          case this.moveByScroll:\n          case this.moveToColumn:\n          case this.moveToEol:\n            endCh = vim.lastHPos;\n            break;\n          default:\n            vim.lastHPos = endCh;\n        }\n        var repeat = motionArgs.repeat+(motionArgs.repeatOffset||0);\n        var line = motionArgs.forward ? cur.line + repeat : cur.line - repeat;\n        var first = cm.firstLine();\n        var last = cm.lastLine();\n        var posV = cm.findPosV(cur, (motionArgs.forward ? repeat : -repeat), 'line', vim.lastHSPos);\n        var hasMarkedText = motionArgs.forward ? posV.line > line : posV.line < line;\n        if (hasMarkedText) {\n          line = posV.line;\n          endCh = posV.ch;\n        }\n        // Vim go to line begin or line end when cursor at first/last line and\n        // move to previous/next line is triggered.\n        if (line < first && cur.line == first){\n          return this.moveToStartOfLine(cm, head, motionArgs, vim);\n        }else if (line > last && cur.line == last){\n            return this.moveToEol(cm, head, motionArgs, vim, true);\n        }\n        if (motionArgs.toFirstChar){\n          endCh=findFirstNonWhiteSpaceCharacter(cm.getLine(line));\n          vim.lastHPos = endCh;\n        }\n        vim.lastHSPos = cm.charCoords(Pos(line, endCh),'div').left;\n        return Pos(line, endCh);\n      },\n      moveByDisplayLines: function(cm, head, motionArgs, vim) {\n        var cur = head;\n        switch (vim.lastMotion) {\n          case this.moveByDisplayLines:\n          case this.moveByScroll:\n          case this.moveByLines:\n          case this.moveToColumn:\n          case this.moveToEol:\n            break;\n          default:\n            vim.lastHSPos = cm.charCoords(cur,'div').left;\n        }\n        var repeat = motionArgs.repeat;\n        var res=cm.findPosV(cur,(motionArgs.forward ? repeat : -repeat),'line',vim.lastHSPos);\n        if (res.hitSide) {\n          if (motionArgs.forward) {\n            var lastCharCoords = cm.charCoords(res, 'div');\n            var goalCoords = { top: lastCharCoords.top + 8, left: vim.lastHSPos };\n            var res = cm.coordsChar(goalCoords, 'div');\n          } else {\n            var resCoords = cm.charCoords(Pos(cm.firstLine(), 0), 'div');\n            resCoords.left = vim.lastHSPos;\n            res = cm.coordsChar(resCoords, 'div');\n          }\n        }\n        vim.lastHPos = res.ch;\n        return res;\n      },\n      moveByPage: function(cm, head, motionArgs) {\n        // CodeMirror only exposes functions that move the cursor page down, so\n        // doing this bad hack to move the cursor and move it back. evalInput\n        // will move the cursor to where it should be in the end.\n        var curStart = head;\n        var repeat = motionArgs.repeat;\n        return cm.findPosV(curStart, (motionArgs.forward ? repeat : -repeat), 'page');\n      },\n      moveByParagraph: function(cm, head, motionArgs) {\n        var dir = motionArgs.forward ? 1 : -1;\n        return findParagraph(cm, head, motionArgs.repeat, dir);\n      },\n      moveBySentence: function(cm, head, motionArgs) {\n        var dir = motionArgs.forward ? 1 : -1;\n        return findSentence(cm, head, motionArgs.repeat, dir);\n      },\n      moveByScroll: function(cm, head, motionArgs, vim) {\n        var scrollbox = cm.getScrollInfo();\n        var curEnd = null;\n        var repeat = motionArgs.repeat;\n        if (!repeat) {\n          repeat = scrollbox.clientHeight / (2 * cm.defaultTextHeight());\n        }\n        var orig = cm.charCoords(head, 'local');\n        motionArgs.repeat = repeat;\n        var curEnd = motions.moveByDisplayLines(cm, head, motionArgs, vim);\n        if (!curEnd) {\n          return null;\n        }\n        var dest = cm.charCoords(curEnd, 'local');\n        cm.scrollTo(null, scrollbox.top + dest.top - orig.top);\n        return curEnd;\n      },\n      moveByWords: function(cm, head, motionArgs) {\n        return moveToWord(cm, head, motionArgs.repeat, !!motionArgs.forward,\n            !!motionArgs.wordEnd, !!motionArgs.bigWord);\n      },\n      moveTillCharacter: function(cm, _head, motionArgs) {\n        var repeat = motionArgs.repeat;\n        var curEnd = moveToCharacter(cm, repeat, motionArgs.forward,\n            motionArgs.selectedCharacter);\n        var increment = motionArgs.forward ? -1 : 1;\n        recordLastCharacterSearch(increment, motionArgs);\n        if (!curEnd) return null;\n        curEnd.ch += increment;\n        return curEnd;\n      },\n      moveToCharacter: function(cm, head, motionArgs) {\n        var repeat = motionArgs.repeat;\n        recordLastCharacterSearch(0, motionArgs);\n        return moveToCharacter(cm, repeat, motionArgs.forward,\n            motionArgs.selectedCharacter) || head;\n      },\n      moveToSymbol: function(cm, head, motionArgs) {\n        var repeat = motionArgs.repeat;\n        return findSymbol(cm, repeat, motionArgs.forward,\n            motionArgs.selectedCharacter) || head;\n      },\n      moveToColumn: function(cm, head, motionArgs, vim) {\n        var repeat = motionArgs.repeat;\n        // repeat is equivalent to which column we want to move to!\n        vim.lastHPos = repeat - 1;\n        vim.lastHSPos = cm.charCoords(head,'div').left;\n        return moveToColumn(cm, repeat);\n      },\n      moveToEol: function(cm, head, motionArgs, vim, keepHPos) {\n        var cur = head;\n        var retval= Pos(cur.line + motionArgs.repeat - 1, Infinity);\n        var end=cm.clipPos(retval);\n        end.ch--;\n        if (!keepHPos) {\n          vim.lastHPos = Infinity;\n          vim.lastHSPos = cm.charCoords(end,'div').left;\n        }\n        return retval;\n      },\n      moveToFirstNonWhiteSpaceCharacter: function(cm, head) {\n        // Go to the start of the line where the text begins, or the end for\n        // whitespace-only lines\n        var cursor = head;\n        return Pos(cursor.line,\n                   findFirstNonWhiteSpaceCharacter(cm.getLine(cursor.line)));\n      },\n      moveToMatchedSymbol: function(cm, head) {\n        var cursor = head;\n        var line = cursor.line;\n        var ch = cursor.ch;\n        var lineText = cm.getLine(line);\n        var symbol;\n        for (; ch < lineText.length; ch++) {\n          symbol = lineText.charAt(ch);\n          if (symbol && isMatchableSymbol(symbol)) {\n            var style = cm.getTokenTypeAt(Pos(line, ch + 1));\n            if (style !== \"string\" && style !== \"comment\") {\n              break;\n            }\n          }\n        }\n        if (ch < lineText.length) {\n          // Only include angle brackets in analysis if they are being matched.\n          var re = (ch === '<' || ch === '>') ? /[(){}[\\]<>]/ : /[(){}[\\]]/;\n          var matched = cm.findMatchingBracket(Pos(line, ch), {bracketRegex: re});\n          return matched.to;\n        } else {\n          return cursor;\n        }\n      },\n      moveToStartOfLine: function(_cm, head) {\n        return Pos(head.line, 0);\n      },\n      moveToLineOrEdgeOfDocument: function(cm, _head, motionArgs) {\n        var lineNum = motionArgs.forward ? cm.lastLine() : cm.firstLine();\n        if (motionArgs.repeatIsExplicit) {\n          lineNum = motionArgs.repeat - cm.getOption('firstLineNumber');\n        }\n        return Pos(lineNum,\n                   findFirstNonWhiteSpaceCharacter(cm.getLine(lineNum)));\n      },\n      textObjectManipulation: function(cm, head, motionArgs, vim) {\n        // TODO: lots of possible exceptions that can be thrown here. Try da(\n        //     outside of a () block.\n        var mirroredPairs = {'(': ')', ')': '(',\n                             '{': '}', '}': '{',\n                             '[': ']', ']': '[',\n                             '<': '>', '>': '<'};\n        var selfPaired = {'\\'': true, '\"': true, '`': true};\n\n        var character = motionArgs.selectedCharacter;\n        // 'b' refers to  '()' block.\n        // 'B' refers to  '{}' block.\n        if (character == 'b') {\n          character = '(';\n        } else if (character == 'B') {\n          character = '{';\n        }\n\n        // Inclusive is the difference between a and i\n        // TODO: Instead of using the additional text object map to perform text\n        //     object operations, merge the map into the defaultKeyMap and use\n        //     motionArgs to define behavior. Define separate entries for 'aw',\n        //     'iw', 'a[', 'i[', etc.\n        var inclusive = !motionArgs.textObjectInner;\n\n        var tmp;\n        if (mirroredPairs[character]) {\n          tmp = selectCompanionObject(cm, head, character, inclusive);\n        } else if (selfPaired[character]) {\n          tmp = findBeginningAndEnd(cm, head, character, inclusive);\n        } else if (character === 'W') {\n          tmp = expandWordUnderCursor(cm, inclusive, true /** forward */,\n                                                     true /** bigWord */);\n        } else if (character === 'w') {\n          tmp = expandWordUnderCursor(cm, inclusive, true /** forward */,\n                                                     false /** bigWord */);\n        } else if (character === 'p') {\n          tmp = findParagraph(cm, head, motionArgs.repeat, 0, inclusive);\n          motionArgs.linewise = true;\n          if (vim.visualMode) {\n            if (!vim.visualLine) { vim.visualLine = true; }\n          } else {\n            var operatorArgs = vim.inputState.operatorArgs;\n            if (operatorArgs) { operatorArgs.linewise = true; }\n            tmp.end.line--;\n          }\n        } else if (character === 't') {\n          tmp = expandTagUnderCursor(cm, head, inclusive);\n        } else {\n          // No text object defined for this, don't move.\n          return null;\n        }\n\n        if (!cm.state.vim.visualMode) {\n          return [tmp.start, tmp.end];\n        } else {\n          return expandSelection(cm, tmp.start, tmp.end);\n        }\n      },\n\n      repeatLastCharacterSearch: function(cm, head, motionArgs) {\n        var lastSearch = vimGlobalState.lastCharacterSearch;\n        var repeat = motionArgs.repeat;\n        var forward = motionArgs.forward === lastSearch.forward;\n        var increment = (lastSearch.increment ? 1 : 0) * (forward ? -1 : 1);\n        cm.moveH(-increment, 'char');\n        motionArgs.inclusive = forward ? true : false;\n        var curEnd = moveToCharacter(cm, repeat, forward, lastSearch.selectedCharacter);\n        if (!curEnd) {\n          cm.moveH(increment, 'char');\n          return head;\n        }\n        curEnd.ch += increment;\n        return curEnd;\n      }\n    };\n\n    function defineMotion(name, fn) {\n      motions[name] = fn;\n    }\n\n    function fillArray(val, times) {\n      var arr = [];\n      for (var i = 0; i < times; i++) {\n        arr.push(val);\n      }\n      return arr;\n    }\n    /**\n     * An operator acts on a text selection. It receives the list of selections\n     * as input. The corresponding CodeMirror selection is guaranteed to\n    * match the input selection.\n     */\n    var operators = {\n      change: function(cm, args, ranges) {\n        var finalHead, text;\n        var vim = cm.state.vim;\n        var anchor = ranges[0].anchor,\n            head = ranges[0].head;\n        if (!vim.visualMode) {\n          text = cm.getRange(anchor, head);\n          var lastState = vim.lastEditInputState || {};\n          if (lastState.motion == \"moveByWords\" && !isWhiteSpaceString(text)) {\n            // Exclude trailing whitespace if the range is not all whitespace.\n            var match = (/\\s+$/).exec(text);\n            if (match && lastState.motionArgs && lastState.motionArgs.forward) {\n              head = offsetCursor(head, 0, - match[0].length);\n              text = text.slice(0, - match[0].length);\n            }\n          }\n          var prevLineEnd = new Pos(anchor.line - 1, Number.MAX_VALUE);\n          var wasLastLine = cm.firstLine() == cm.lastLine();\n          if (head.line > cm.lastLine() && args.linewise && !wasLastLine) {\n            cm.replaceRange('', prevLineEnd, head);\n          } else {\n            cm.replaceRange('', anchor, head);\n          }\n          if (args.linewise) {\n            // Push the next line back down, if there is a next line.\n            if (!wasLastLine) {\n              cm.setCursor(prevLineEnd);\n              CodeMirror.commands.newlineAndIndent(cm);\n            }\n            // make sure cursor ends up at the end of the line.\n            anchor.ch = Number.MAX_VALUE;\n          }\n          finalHead = anchor;\n        } else if (args.fullLine) {\n            head.ch = Number.MAX_VALUE;\n            head.line--;\n            cm.setSelection(anchor, head)\n            text = cm.getSelection();\n            cm.replaceSelection(\"\");\n            finalHead = anchor;\n        } else {\n          text = cm.getSelection();\n          var replacement = fillArray('', ranges.length);\n          cm.replaceSelections(replacement);\n          finalHead = cursorMin(ranges[0].head, ranges[0].anchor);\n        }\n        vimGlobalState.registerController.pushText(\n            args.registerName, 'change', text,\n            args.linewise, ranges.length > 1);\n        actions.enterInsertMode(cm, {head: finalHead}, cm.state.vim);\n      },\n      // delete is a javascript keyword.\n      'delete': function(cm, args, ranges) {\n        var finalHead, text;\n        var vim = cm.state.vim;\n        if (!vim.visualBlock) {\n          var anchor = ranges[0].anchor,\n              head = ranges[0].head;\n          if (args.linewise &&\n              head.line != cm.firstLine() &&\n              anchor.line == cm.lastLine() &&\n              anchor.line == head.line - 1) {\n            // Special case for dd on last line (and first line).\n            if (anchor.line == cm.firstLine()) {\n              anchor.ch = 0;\n            } else {\n              anchor = Pos(anchor.line - 1, lineLength(cm, anchor.line - 1));\n            }\n          }\n          text = cm.getRange(anchor, head);\n          cm.replaceRange('', anchor, head);\n          finalHead = anchor;\n          if (args.linewise) {\n            finalHead = motions.moveToFirstNonWhiteSpaceCharacter(cm, anchor);\n          }\n        } else {\n          text = cm.getSelection();\n          var replacement = fillArray('', ranges.length);\n          cm.replaceSelections(replacement);\n          finalHead = ranges[0].anchor;\n        }\n        vimGlobalState.registerController.pushText(\n            args.registerName, 'delete', text,\n            args.linewise, vim.visualBlock);\n        return clipCursorToContent(cm, finalHead);\n      },\n      indent: function(cm, args, ranges) {\n        var vim = cm.state.vim;\n        var startLine = ranges[0].anchor.line;\n        var endLine = vim.visualBlock ?\n          ranges[ranges.length - 1].anchor.line :\n          ranges[0].head.line;\n        // In visual mode, n> shifts the selection right n times, instead of\n        // shifting n lines right once.\n        var repeat = (vim.visualMode) ? args.repeat : 1;\n        if (args.linewise) {\n          // The only way to delete a newline is to delete until the start of\n          // the next line, so in linewise mode evalInput will include the next\n          // line. We don't want this in indent, so we go back a line.\n          endLine--;\n        }\n        for (var i = startLine; i <= endLine; i++) {\n          for (var j = 0; j < repeat; j++) {\n            cm.indentLine(i, args.indentRight);\n          }\n        }\n        return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor);\n      },\n      indentAuto: function(cm, _args, ranges) {\n        cm.execCommand(\"indentAuto\");\n        return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor);\n      },\n      changeCase: function(cm, args, ranges, oldAnchor, newHead) {\n        var selections = cm.getSelections();\n        var swapped = [];\n        var toLower = args.toLower;\n        for (var j = 0; j < selections.length; j++) {\n          var toSwap = selections[j];\n          var text = '';\n          if (toLower === true) {\n            text = toSwap.toLowerCase();\n          } else if (toLower === false) {\n            text = toSwap.toUpperCase();\n          } else {\n            for (var i = 0; i < toSwap.length; i++) {\n              var character = toSwap.charAt(i);\n              text += isUpperCase(character) ? character.toLowerCase() :\n                  character.toUpperCase();\n            }\n          }\n          swapped.push(text);\n        }\n        cm.replaceSelections(swapped);\n        if (args.shouldMoveCursor){\n          return newHead;\n        } else if (!cm.state.vim.visualMode && args.linewise && ranges[0].anchor.line + 1 == ranges[0].head.line) {\n          return motions.moveToFirstNonWhiteSpaceCharacter(cm, oldAnchor);\n        } else if (args.linewise){\n          return oldAnchor;\n        } else {\n          return cursorMin(ranges[0].anchor, ranges[0].head);\n        }\n      },\n      yank: function(cm, args, ranges, oldAnchor) {\n        var vim = cm.state.vim;\n        var text = cm.getSelection();\n        var endPos = vim.visualMode\n          ? cursorMin(vim.sel.anchor, vim.sel.head, ranges[0].head, ranges[0].anchor)\n          : oldAnchor;\n        vimGlobalState.registerController.pushText(\n            args.registerName, 'yank',\n            text, args.linewise, vim.visualBlock);\n        return endPos;\n      }\n    };\n\n    function defineOperator(name, fn) {\n      operators[name] = fn;\n    }\n\n    var actions = {\n      jumpListWalk: function(cm, actionArgs, vim) {\n        if (vim.visualMode) {\n          return;\n        }\n        var repeat = actionArgs.repeat;\n        var forward = actionArgs.forward;\n        var jumpList = vimGlobalState.jumpList;\n\n        var mark = jumpList.move(cm, forward ? repeat : -repeat);\n        var markPos = mark ? mark.find() : undefined;\n        markPos = markPos ? markPos : cm.getCursor();\n        cm.setCursor(markPos);\n      },\n      scroll: function(cm, actionArgs, vim) {\n        if (vim.visualMode) {\n          return;\n        }\n        var repeat = actionArgs.repeat || 1;\n        var lineHeight = cm.defaultTextHeight();\n        var top = cm.getScrollInfo().top;\n        var delta = lineHeight * repeat;\n        var newPos = actionArgs.forward ? top + delta : top - delta;\n        var cursor = copyCursor(cm.getCursor());\n        var cursorCoords = cm.charCoords(cursor, 'local');\n        if (actionArgs.forward) {\n          if (newPos > cursorCoords.top) {\n             cursor.line += (newPos - cursorCoords.top) / lineHeight;\n             cursor.line = Math.ceil(cursor.line);\n             cm.setCursor(cursor);\n             cursorCoords = cm.charCoords(cursor, 'local');\n             cm.scrollTo(null, cursorCoords.top);\n          } else {\n             // Cursor stays within bounds.  Just reposition the scroll window.\n             cm.scrollTo(null, newPos);\n          }\n        } else {\n          var newBottom = newPos + cm.getScrollInfo().clientHeight;\n          if (newBottom < cursorCoords.bottom) {\n             cursor.line -= (cursorCoords.bottom - newBottom) / lineHeight;\n             cursor.line = Math.floor(cursor.line);\n             cm.setCursor(cursor);\n             cursorCoords = cm.charCoords(cursor, 'local');\n             cm.scrollTo(\n                 null, cursorCoords.bottom - cm.getScrollInfo().clientHeight);\n          } else {\n             // Cursor stays within bounds.  Just reposition the scroll window.\n             cm.scrollTo(null, newPos);\n          }\n        }\n      },\n      scrollToCursor: function(cm, actionArgs) {\n        var lineNum = cm.getCursor().line;\n        var charCoords = cm.charCoords(Pos(lineNum, 0), 'local');\n        var height = cm.getScrollInfo().clientHeight;\n        var y = charCoords.top;\n        var lineHeight = charCoords.bottom - y;\n        switch (actionArgs.position) {\n          case 'center': y = y - (height / 2) + lineHeight;\n            break;\n          case 'bottom': y = y - height + lineHeight;\n            break;\n        }\n        cm.scrollTo(null, y);\n      },\n      replayMacro: function(cm, actionArgs, vim) {\n        var registerName = actionArgs.selectedCharacter;\n        var repeat = actionArgs.repeat;\n        var macroModeState = vimGlobalState.macroModeState;\n        if (registerName == '@') {\n          registerName = macroModeState.latestRegister;\n        } else {\n          macroModeState.latestRegister = registerName;\n        }\n        while(repeat--){\n          executeMacroRegister(cm, vim, macroModeState, registerName);\n        }\n      },\n      enterMacroRecordMode: function(cm, actionArgs) {\n        var macroModeState = vimGlobalState.macroModeState;\n        var registerName = actionArgs.selectedCharacter;\n        if (vimGlobalState.registerController.isValidRegister(registerName)) {\n          macroModeState.enterMacroRecordMode(cm, registerName);\n        }\n      },\n      toggleOverwrite: function(cm) {\n        if (!cm.state.overwrite) {\n          cm.toggleOverwrite(true);\n          cm.setOption('keyMap', 'vim-replace');\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"replace\"});\n        } else {\n          cm.toggleOverwrite(false);\n          cm.setOption('keyMap', 'vim-insert');\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"insert\"});\n        }\n      },\n      enterInsertMode: function(cm, actionArgs, vim) {\n        if (cm.getOption('readOnly')) { return; }\n        vim.insertMode = true;\n        vim.insertModeRepeat = actionArgs && actionArgs.repeat || 1;\n        var insertAt = (actionArgs) ? actionArgs.insertAt : null;\n        var sel = vim.sel;\n        var head = actionArgs.head || cm.getCursor('head');\n        var height = cm.listSelections().length;\n        if (insertAt == 'eol') {\n          head = Pos(head.line, lineLength(cm, head.line));\n        } else if (insertAt == 'bol') {\n          head = Pos(head.line, 0);\n        } else if (insertAt == 'charAfter') {\n          head = offsetCursor(head, 0, 1);\n        } else if (insertAt == 'firstNonBlank') {\n          head = motions.moveToFirstNonWhiteSpaceCharacter(cm, head);\n        } else if (insertAt == 'startOfSelectedArea') {\n          if (!vim.visualMode)\n              return;\n          if (!vim.visualBlock) {\n            if (sel.head.line < sel.anchor.line) {\n              head = sel.head;\n            } else {\n              head = Pos(sel.anchor.line, 0);\n            }\n          } else {\n            head = Pos(\n                Math.min(sel.head.line, sel.anchor.line),\n                Math.min(sel.head.ch, sel.anchor.ch));\n            height = Math.abs(sel.head.line - sel.anchor.line) + 1;\n          }\n        } else if (insertAt == 'endOfSelectedArea') {\n            if (!vim.visualMode)\n              return;\n          if (!vim.visualBlock) {\n            if (sel.head.line >= sel.anchor.line) {\n              head = offsetCursor(sel.head, 0, 1);\n            } else {\n              head = Pos(sel.anchor.line, 0);\n            }\n          } else {\n            head = Pos(\n                Math.min(sel.head.line, sel.anchor.line),\n                Math.max(sel.head.ch + 1, sel.anchor.ch));\n            height = Math.abs(sel.head.line - sel.anchor.line) + 1;\n          }\n        } else if (insertAt == 'inplace') {\n          if (vim.visualMode){\n            return;\n          }\n        } else if (insertAt == 'lastEdit') {\n          head = getLastEditPos(cm) || head;\n        }\n        cm.setOption('disableInput', false);\n        if (actionArgs && actionArgs.replace) {\n          // Handle Replace-mode as a special case of insert mode.\n          cm.toggleOverwrite(true);\n          cm.setOption('keyMap', 'vim-replace');\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"replace\"});\n        } else {\n          cm.toggleOverwrite(false);\n          cm.setOption('keyMap', 'vim-insert');\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"insert\"});\n        }\n        if (!vimGlobalState.macroModeState.isPlaying) {\n          // Only record if not replaying.\n          cm.on('change', onChange);\n          CodeMirror.on(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown);\n        }\n        if (vim.visualMode) {\n          exitVisualMode(cm);\n        }\n        selectForInsert(cm, head, height);\n      },\n      toggleVisualMode: function(cm, actionArgs, vim) {\n        var repeat = actionArgs.repeat;\n        var anchor = cm.getCursor();\n        var head;\n        // TODO: The repeat should actually select number of characters/lines\n        //     equal to the repeat times the size of the previous visual\n        //     operation.\n        if (!vim.visualMode) {\n          // Entering visual mode\n          vim.visualMode = true;\n          vim.visualLine = !!actionArgs.linewise;\n          vim.visualBlock = !!actionArgs.blockwise;\n          head = clipCursorToContent(\n              cm, Pos(anchor.line, anchor.ch + repeat - 1));\n          vim.sel = {\n            anchor: anchor,\n            head: head\n          };\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"visual\", subMode: vim.visualLine ? \"linewise\" : vim.visualBlock ? \"blockwise\" : \"\"});\n          updateCmSelection(cm);\n          updateMark(cm, vim, '<', cursorMin(anchor, head));\n          updateMark(cm, vim, '>', cursorMax(anchor, head));\n        } else if (vim.visualLine ^ actionArgs.linewise ||\n            vim.visualBlock ^ actionArgs.blockwise) {\n          // Toggling between modes\n          vim.visualLine = !!actionArgs.linewise;\n          vim.visualBlock = !!actionArgs.blockwise;\n          CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"visual\", subMode: vim.visualLine ? \"linewise\" : vim.visualBlock ? \"blockwise\" : \"\"});\n          updateCmSelection(cm);\n        } else {\n          exitVisualMode(cm);\n        }\n      },\n      reselectLastSelection: function(cm, _actionArgs, vim) {\n        var lastSelection = vim.lastSelection;\n        if (vim.visualMode) {\n          updateLastSelection(cm, vim);\n        }\n        if (lastSelection) {\n          var anchor = lastSelection.anchorMark.find();\n          var head = lastSelection.headMark.find();\n          if (!anchor || !head) {\n            // If the marks have been destroyed due to edits, do nothing.\n            return;\n          }\n          vim.sel = {\n            anchor: anchor,\n            head: head\n          };\n          vim.visualMode = true;\n          vim.visualLine = lastSelection.visualLine;\n          vim.visualBlock = lastSelection.visualBlock;\n          updateCmSelection(cm);\n          updateMark(cm, vim, '<', cursorMin(anchor, head));\n          updateMark(cm, vim, '>', cursorMax(anchor, head));\n          CodeMirror.signal(cm, 'vim-mode-change', {\n            mode: 'visual',\n            subMode: vim.visualLine ? 'linewise' :\n                     vim.visualBlock ? 'blockwise' : ''});\n        }\n      },\n      joinLines: function(cm, actionArgs, vim) {\n        var curStart, curEnd;\n        if (vim.visualMode) {\n          curStart = cm.getCursor('anchor');\n          curEnd = cm.getCursor('head');\n          if (cursorIsBefore(curEnd, curStart)) {\n            var tmp = curEnd;\n            curEnd = curStart;\n            curStart = tmp;\n          }\n          curEnd.ch = lineLength(cm, curEnd.line) - 1;\n        } else {\n          // Repeat is the number of lines to join. Minimum 2 lines.\n          var repeat = Math.max(actionArgs.repeat, 2);\n          curStart = cm.getCursor();\n          curEnd = clipCursorToContent(cm, Pos(curStart.line + repeat - 1,\n                                               Infinity));\n        }\n        var finalCh = 0;\n        for (var i = curStart.line; i < curEnd.line; i++) {\n          finalCh = lineLength(cm, curStart.line);\n          var tmp = Pos(curStart.line + 1,\n                        lineLength(cm, curStart.line + 1));\n          var text = cm.getRange(curStart, tmp);\n          text = actionArgs.keepSpaces\n            ? text.replace(/\\n\\r?/g, '')\n            : text.replace(/\\n\\s*/g, ' ');\n          cm.replaceRange(text, curStart, tmp);\n        }\n        var curFinalPos = Pos(curStart.line, finalCh);\n        if (vim.visualMode) {\n          exitVisualMode(cm, false);\n        }\n        cm.setCursor(curFinalPos);\n      },\n      newLineAndEnterInsertMode: function(cm, actionArgs, vim) {\n        vim.insertMode = true;\n        var insertAt = copyCursor(cm.getCursor());\n        if (insertAt.line === cm.firstLine() && !actionArgs.after) {\n          // Special case for inserting newline before start of document.\n          cm.replaceRange('\\n', Pos(cm.firstLine(), 0));\n          cm.setCursor(cm.firstLine(), 0);\n        } else {\n          insertAt.line = (actionArgs.after) ? insertAt.line :\n              insertAt.line - 1;\n          insertAt.ch = lineLength(cm, insertAt.line);\n          cm.setCursor(insertAt);\n          var newlineFn = CodeMirror.commands.newlineAndIndentContinueComment ||\n              CodeMirror.commands.newlineAndIndent;\n          newlineFn(cm);\n        }\n        this.enterInsertMode(cm, { repeat: actionArgs.repeat }, vim);\n      },\n      paste: function(cm, actionArgs, vim) {\n        var cur = copyCursor(cm.getCursor());\n        var register = vimGlobalState.registerController.getRegister(\n            actionArgs.registerName);\n        var text = register.toString();\n        if (!text) {\n          return;\n        }\n        if (actionArgs.matchIndent) {\n          var tabSize = cm.getOption(\"tabSize\");\n          // length that considers tabs and tabSize\n          var whitespaceLength = function(str) {\n            var tabs = (str.split(\"\\t\").length - 1);\n            var spaces = (str.split(\" \").length - 1);\n            return tabs * tabSize + spaces * 1;\n          };\n          var currentLine = cm.getLine(cm.getCursor().line);\n          var indent = whitespaceLength(currentLine.match(/^\\s*/)[0]);\n          // chomp last newline b/c don't want it to match /^\\s*/gm\n          var chompedText = text.replace(/\\n$/, '');\n          var wasChomped = text !== chompedText;\n          var firstIndent = whitespaceLength(text.match(/^\\s*/)[0]);\n          var text = chompedText.replace(/^\\s*/gm, function(wspace) {\n            var newIndent = indent + (whitespaceLength(wspace) - firstIndent);\n            if (newIndent < 0) {\n              return \"\";\n            }\n            else if (cm.getOption(\"indentWithTabs\")) {\n              var quotient = Math.floor(newIndent / tabSize);\n              return Array(quotient + 1).join('\\t');\n            }\n            else {\n              return Array(newIndent + 1).join(' ');\n            }\n          });\n          text += wasChomped ? \"\\n\" : \"\";\n        }\n        if (actionArgs.repeat > 1) {\n          var text = Array(actionArgs.repeat + 1).join(text);\n        }\n        var linewise = register.linewise;\n        var blockwise = register.blockwise;\n        if (blockwise) {\n          text = text.split('\\n');\n          if (linewise) {\n              text.pop();\n          }\n          for (var i = 0; i < text.length; i++) {\n            text[i] = (text[i] == '') ? ' ' : text[i];\n          }\n          cur.ch += actionArgs.after ? 1 : 0;\n          cur.ch = Math.min(lineLength(cm, cur.line), cur.ch);\n        } else if (linewise) {\n          if(vim.visualMode) {\n            text = vim.visualLine ? text.slice(0, -1) : '\\n' + text.slice(0, text.length - 1) + '\\n';\n          } else if (actionArgs.after) {\n            // Move the newline at the end to the start instead, and paste just\n            // before the newline character of the line we are on right now.\n            text = '\\n' + text.slice(0, text.length - 1);\n            cur.ch = lineLength(cm, cur.line);\n          } else {\n            cur.ch = 0;\n          }\n        } else {\n          cur.ch += actionArgs.after ? 1 : 0;\n        }\n        var curPosFinal;\n        var idx;\n        if (vim.visualMode) {\n          //  save the pasted text for reselection if the need arises\n          vim.lastPastedText = text;\n          var lastSelectionCurEnd;\n          var selectedArea = getSelectedAreaRange(cm, vim);\n          var selectionStart = selectedArea[0];\n          var selectionEnd = selectedArea[1];\n          var selectedText = cm.getSelection();\n          var selections = cm.listSelections();\n          var emptyStrings = new Array(selections.length).join('1').split('1');\n          // save the curEnd marker before it get cleared due to cm.replaceRange.\n          if (vim.lastSelection) {\n            lastSelectionCurEnd = vim.lastSelection.headMark.find();\n          }\n          // push the previously selected text to unnamed register\n          vimGlobalState.registerController.unnamedRegister.setText(selectedText);\n          if (blockwise) {\n            // first delete the selected text\n            cm.replaceSelections(emptyStrings);\n            // Set new selections as per the block length of the yanked text\n            selectionEnd = Pos(selectionStart.line + text.length-1, selectionStart.ch);\n            cm.setCursor(selectionStart);\n            selectBlock(cm, selectionEnd);\n            cm.replaceSelections(text);\n            curPosFinal = selectionStart;\n          } else if (vim.visualBlock) {\n            cm.replaceSelections(emptyStrings);\n            cm.setCursor(selectionStart);\n            cm.replaceRange(text, selectionStart, selectionStart);\n            curPosFinal = selectionStart;\n          } else {\n            cm.replaceRange(text, selectionStart, selectionEnd);\n            curPosFinal = cm.posFromIndex(cm.indexFromPos(selectionStart) + text.length - 1);\n          }\n          // restore the the curEnd marker\n          if(lastSelectionCurEnd) {\n            vim.lastSelection.headMark = cm.setBookmark(lastSelectionCurEnd);\n          }\n          if (linewise) {\n            curPosFinal.ch=0;\n          }\n        } else {\n          if (blockwise) {\n            cm.setCursor(cur);\n            for (var i = 0; i < text.length; i++) {\n              var line = cur.line+i;\n              if (line > cm.lastLine()) {\n                cm.replaceRange('\\n',  Pos(line, 0));\n              }\n              var lastCh = lineLength(cm, line);\n              if (lastCh < cur.ch) {\n                extendLineToColumn(cm, line, cur.ch);\n              }\n            }\n            cm.setCursor(cur);\n            selectBlock(cm, Pos(cur.line + text.length-1, cur.ch));\n            cm.replaceSelections(text);\n            curPosFinal = cur;\n          } else {\n            cm.replaceRange(text, cur);\n            // Now fine tune the cursor to where we want it.\n            if (linewise && actionArgs.after) {\n              curPosFinal = Pos(\n              cur.line + 1,\n              findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line + 1)));\n            } else if (linewise && !actionArgs.after) {\n              curPosFinal = Pos(\n                cur.line,\n                findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line)));\n            } else if (!linewise && actionArgs.after) {\n              idx = cm.indexFromPos(cur);\n              curPosFinal = cm.posFromIndex(idx + text.length - 1);\n            } else {\n              idx = cm.indexFromPos(cur);\n              curPosFinal = cm.posFromIndex(idx + text.length);\n            }\n          }\n        }\n        if (vim.visualMode) {\n          exitVisualMode(cm, false);\n        }\n        cm.setCursor(curPosFinal);\n      },\n      undo: function(cm, actionArgs) {\n        cm.operation(function() {\n          repeatFn(cm, CodeMirror.commands.undo, actionArgs.repeat)();\n          cm.setCursor(cm.getCursor('anchor'));\n        });\n      },\n      redo: function(cm, actionArgs) {\n        repeatFn(cm, CodeMirror.commands.redo, actionArgs.repeat)();\n      },\n      setRegister: function(_cm, actionArgs, vim) {\n        vim.inputState.registerName = actionArgs.selectedCharacter;\n      },\n      setMark: function(cm, actionArgs, vim) {\n        var markName = actionArgs.selectedCharacter;\n        updateMark(cm, vim, markName, cm.getCursor());\n      },\n      replace: function(cm, actionArgs, vim) {\n        var replaceWith = actionArgs.selectedCharacter;\n        var curStart = cm.getCursor();\n        var replaceTo;\n        var curEnd;\n        var selections = cm.listSelections();\n        if (vim.visualMode) {\n          curStart = cm.getCursor('start');\n          curEnd = cm.getCursor('end');\n        } else {\n          var line = cm.getLine(curStart.line);\n          replaceTo = curStart.ch + actionArgs.repeat;\n          if (replaceTo > line.length) {\n            replaceTo=line.length;\n          }\n          curEnd = Pos(curStart.line, replaceTo);\n        }\n        if (replaceWith=='\\n') {\n          if (!vim.visualMode) cm.replaceRange('', curStart, curEnd);\n          // special case, where vim help says to replace by just one line-break\n          (CodeMirror.commands.newlineAndIndentContinueComment || CodeMirror.commands.newlineAndIndent)(cm);\n        } else {\n          var replaceWithStr = cm.getRange(curStart, curEnd);\n          //replace all characters in range by selected, but keep linebreaks\n          replaceWithStr = replaceWithStr.replace(/[^\\n]/g, replaceWith);\n          if (vim.visualBlock) {\n            // Tabs are split in visua block before replacing\n            var spaces = new Array(cm.getOption(\"tabSize\")+1).join(' ');\n            replaceWithStr = cm.getSelection();\n            replaceWithStr = replaceWithStr.replace(/\\t/g, spaces).replace(/[^\\n]/g, replaceWith).split('\\n');\n            cm.replaceSelections(replaceWithStr);\n          } else {\n            cm.replaceRange(replaceWithStr, curStart, curEnd);\n          }\n          if (vim.visualMode) {\n            curStart = cursorIsBefore(selections[0].anchor, selections[0].head) ?\n                         selections[0].anchor : selections[0].head;\n            cm.setCursor(curStart);\n            exitVisualMode(cm, false);\n          } else {\n            cm.setCursor(offsetCursor(curEnd, 0, -1));\n          }\n        }\n      },\n      incrementNumberToken: function(cm, actionArgs) {\n        var cur = cm.getCursor();\n        var lineStr = cm.getLine(cur.line);\n        var re = /(-?)(?:(0x)([\\da-f]+)|(0b|0|)(\\d+))/gi;\n        var match;\n        var start;\n        var end;\n        var numberStr;\n        while ((match = re.exec(lineStr)) !== null) {\n          start = match.index;\n          end = start + match[0].length;\n          if (cur.ch < end)break;\n        }\n        if (!actionArgs.backtrack && (end <= cur.ch))return;\n        if (match) {\n          var baseStr = match[2] || match[4]\n          var digits = match[3] || match[5]\n          var increment = actionArgs.increase ? 1 : -1;\n          var base = {'0b': 2, '0': 8, '': 10, '0x': 16}[baseStr.toLowerCase()];\n          var number = parseInt(match[1] + digits, base) + (increment * actionArgs.repeat);\n          numberStr = number.toString(base);\n          var zeroPadding = baseStr ? new Array(digits.length - numberStr.length + 1 + match[1].length).join('0') : ''\n          if (numberStr.charAt(0) === '-') {\n            numberStr = '-' + baseStr + zeroPadding + numberStr.substr(1);\n          } else {\n            numberStr = baseStr + zeroPadding + numberStr;\n          }\n          var from = Pos(cur.line, start);\n          var to = Pos(cur.line, end);\n          cm.replaceRange(numberStr, from, to);\n        } else {\n          return;\n        }\n        cm.setCursor(Pos(cur.line, start + numberStr.length - 1));\n      },\n      repeatLastEdit: function(cm, actionArgs, vim) {\n        var lastEditInputState = vim.lastEditInputState;\n        if (!lastEditInputState) { return; }\n        var repeat = actionArgs.repeat;\n        if (repeat && actionArgs.repeatIsExplicit) {\n          vim.lastEditInputState.repeatOverride = repeat;\n        } else {\n          repeat = vim.lastEditInputState.repeatOverride || repeat;\n        }\n        repeatLastEdit(cm, vim, repeat, false /** repeatForInsert */);\n      },\n      indent: function(cm, actionArgs) {\n        cm.indentLine(cm.getCursor().line, actionArgs.indentRight);\n      },\n      exitInsertMode: exitInsertMode\n    };\n\n    function defineAction(name, fn) {\n      actions[name] = fn;\n    }\n\n    /*\n     * Below are miscellaneous utility functions used by vim.js\n     */\n\n    /**\n     * Clips cursor to ensure that line is within the buffer's range\n     * If includeLineBreak is true, then allow cur.ch == lineLength.\n     */\n    function clipCursorToContent(cm, cur) {\n      var vim = cm.state.vim;\n      var includeLineBreak = vim.insertMode || vim.visualMode;\n      var line = Math.min(Math.max(cm.firstLine(), cur.line), cm.lastLine() );\n      var maxCh = lineLength(cm, line) - 1 + !!includeLineBreak;\n      var ch = Math.min(Math.max(0, cur.ch), maxCh);\n      return Pos(line, ch);\n    }\n    function copyArgs(args) {\n      var ret = {};\n      for (var prop in args) {\n        if (args.hasOwnProperty(prop)) {\n          ret[prop] = args[prop];\n        }\n      }\n      return ret;\n    }\n    function offsetCursor(cur, offsetLine, offsetCh) {\n      if (typeof offsetLine === 'object') {\n        offsetCh = offsetLine.ch;\n        offsetLine = offsetLine.line;\n      }\n      return Pos(cur.line + offsetLine, cur.ch + offsetCh);\n    }\n    function commandMatches(keys, keyMap, context, inputState) {\n      // Partial matches are not applied. They inform the key handler\n      // that the current key sequence is a subsequence of a valid key\n      // sequence, so that the key buffer is not cleared.\n      var match, partial = [], full = [];\n      for (var i = 0; i < keyMap.length; i++) {\n        var command = keyMap[i];\n        if (context == 'insert' && command.context != 'insert' ||\n            command.context && command.context != context ||\n            inputState.operator && command.type == 'action' ||\n            !(match = commandMatch(keys, command.keys))) { continue; }\n        if (match == 'partial') { partial.push(command); }\n        if (match == 'full') { full.push(command); }\n      }\n      return {\n        partial: partial.length && partial,\n        full: full.length && full\n      };\n    }\n    function commandMatch(pressed, mapped) {\n      if (mapped.slice(-11) == '<character>') {\n        // Last character matches anything.\n        var prefixLen = mapped.length - 11;\n        var pressedPrefix = pressed.slice(0, prefixLen);\n        var mappedPrefix = mapped.slice(0, prefixLen);\n        return pressedPrefix == mappedPrefix && pressed.length > prefixLen ? 'full' :\n               mappedPrefix.indexOf(pressedPrefix) == 0 ? 'partial' : false;\n      } else {\n        return pressed == mapped ? 'full' :\n               mapped.indexOf(pressed) == 0 ? 'partial' : false;\n      }\n    }\n    function lastChar(keys) {\n      var match = /^.*(<[^>]+>)$/.exec(keys);\n      var selectedCharacter = match ? match[1] : keys.slice(-1);\n      if (selectedCharacter.length > 1){\n        switch(selectedCharacter){\n          case '<CR>':\n            selectedCharacter='\\n';\n            break;\n          case '<Space>':\n            selectedCharacter=' ';\n            break;\n          default:\n            selectedCharacter='';\n            break;\n        }\n      }\n      return selectedCharacter;\n    }\n    function repeatFn(cm, fn, repeat) {\n      return function() {\n        for (var i = 0; i < repeat; i++) {\n          fn(cm);\n        }\n      };\n    }\n    function copyCursor(cur) {\n      return Pos(cur.line, cur.ch);\n    }\n    function cursorEqual(cur1, cur2) {\n      return cur1.ch == cur2.ch && cur1.line == cur2.line;\n    }\n    function cursorIsBefore(cur1, cur2) {\n      if (cur1.line < cur2.line) {\n        return true;\n      }\n      if (cur1.line == cur2.line && cur1.ch < cur2.ch) {\n        return true;\n      }\n      return false;\n    }\n    function cursorMin(cur1, cur2) {\n      if (arguments.length > 2) {\n        cur2 = cursorMin.apply(undefined, Array.prototype.slice.call(arguments, 1));\n      }\n      return cursorIsBefore(cur1, cur2) ? cur1 : cur2;\n    }\n    function cursorMax(cur1, cur2) {\n      if (arguments.length > 2) {\n        cur2 = cursorMax.apply(undefined, Array.prototype.slice.call(arguments, 1));\n      }\n      return cursorIsBefore(cur1, cur2) ? cur2 : cur1;\n    }\n    function cursorIsBetween(cur1, cur2, cur3) {\n      // returns true if cur2 is between cur1 and cur3.\n      var cur1before2 = cursorIsBefore(cur1, cur2);\n      var cur2before3 = cursorIsBefore(cur2, cur3);\n      return cur1before2 && cur2before3;\n    }\n    function lineLength(cm, lineNum) {\n      return cm.getLine(lineNum).length;\n    }\n    function trim(s) {\n      if (s.trim) {\n        return s.trim();\n      }\n      return s.replace(/^\\s+|\\s+$/g, '');\n    }\n    function escapeRegex(s) {\n      return s.replace(/([.?*+$\\[\\]\\/\\\\(){}|\\-])/g, '\\\\$1');\n    }\n    function extendLineToColumn(cm, lineNum, column) {\n      var endCh = lineLength(cm, lineNum);\n      var spaces = new Array(column-endCh+1).join(' ');\n      cm.setCursor(Pos(lineNum, endCh));\n      cm.replaceRange(spaces, cm.getCursor());\n    }\n    // This functions selects a rectangular block\n    // of text with selectionEnd as any of its corner\n    // Height of block:\n    // Difference in selectionEnd.line and first/last selection.line\n    // Width of the block:\n    // Distance between selectionEnd.ch and any(first considered here) selection.ch\n    function selectBlock(cm, selectionEnd) {\n      var selections = [], ranges = cm.listSelections();\n      var head = copyCursor(cm.clipPos(selectionEnd));\n      var isClipped = !cursorEqual(selectionEnd, head);\n      var curHead = cm.getCursor('head');\n      var primIndex = getIndex(ranges, curHead);\n      var wasClipped = cursorEqual(ranges[primIndex].head, ranges[primIndex].anchor);\n      var max = ranges.length - 1;\n      var index = max - primIndex > primIndex ? max : 0;\n      var base = ranges[index].anchor;\n\n      var firstLine = Math.min(base.line, head.line);\n      var lastLine = Math.max(base.line, head.line);\n      var baseCh = base.ch, headCh = head.ch;\n\n      var dir = ranges[index].head.ch - baseCh;\n      var newDir = headCh - baseCh;\n      if (dir > 0 && newDir <= 0) {\n        baseCh++;\n        if (!isClipped) { headCh--; }\n      } else if (dir < 0 && newDir >= 0) {\n        baseCh--;\n        if (!wasClipped) { headCh++; }\n      } else if (dir < 0 && newDir == -1) {\n        baseCh--;\n        headCh++;\n      }\n      for (var line = firstLine; line <= lastLine; line++) {\n        var range = {anchor: new Pos(line, baseCh), head: new Pos(line, headCh)};\n        selections.push(range);\n      }\n      cm.setSelections(selections);\n      selectionEnd.ch = headCh;\n      base.ch = baseCh;\n      return base;\n    }\n    function selectForInsert(cm, head, height) {\n      var sel = [];\n      for (var i = 0; i < height; i++) {\n        var lineHead = offsetCursor(head, i, 0);\n        sel.push({anchor: lineHead, head: lineHead});\n      }\n      cm.setSelections(sel, 0);\n    }\n    // getIndex returns the index of the cursor in the selections.\n    function getIndex(ranges, cursor, end) {\n      for (var i = 0; i < ranges.length; i++) {\n        var atAnchor = end != 'head' && cursorEqual(ranges[i].anchor, cursor);\n        var atHead = end != 'anchor' && cursorEqual(ranges[i].head, cursor);\n        if (atAnchor || atHead) {\n          return i;\n        }\n      }\n      return -1;\n    }\n    function getSelectedAreaRange(cm, vim) {\n      var lastSelection = vim.lastSelection;\n      var getCurrentSelectedAreaRange = function() {\n        var selections = cm.listSelections();\n        var start =  selections[0];\n        var end = selections[selections.length-1];\n        var selectionStart = cursorIsBefore(start.anchor, start.head) ? start.anchor : start.head;\n        var selectionEnd = cursorIsBefore(end.anchor, end.head) ? end.head : end.anchor;\n        return [selectionStart, selectionEnd];\n      };\n      var getLastSelectedAreaRange = function() {\n        var selectionStart = cm.getCursor();\n        var selectionEnd = cm.getCursor();\n        var block = lastSelection.visualBlock;\n        if (block) {\n          var width = block.width;\n          var height = block.height;\n          selectionEnd = Pos(selectionStart.line + height, selectionStart.ch + width);\n          var selections = [];\n          // selectBlock creates a 'proper' rectangular block.\n          // We do not want that in all cases, so we manually set selections.\n          for (var i = selectionStart.line; i < selectionEnd.line; i++) {\n            var anchor = Pos(i, selectionStart.ch);\n            var head = Pos(i, selectionEnd.ch);\n            var range = {anchor: anchor, head: head};\n            selections.push(range);\n          }\n          cm.setSelections(selections);\n        } else {\n          var start = lastSelection.anchorMark.find();\n          var end = lastSelection.headMark.find();\n          var line = end.line - start.line;\n          var ch = end.ch - start.ch;\n          selectionEnd = {line: selectionEnd.line + line, ch: line ? selectionEnd.ch : ch + selectionEnd.ch};\n          if (lastSelection.visualLine) {\n            selectionStart = Pos(selectionStart.line, 0);\n            selectionEnd = Pos(selectionEnd.line, lineLength(cm, selectionEnd.line));\n          }\n          cm.setSelection(selectionStart, selectionEnd);\n        }\n        return [selectionStart, selectionEnd];\n      };\n      if (!vim.visualMode) {\n      // In case of replaying the action.\n        return getLastSelectedAreaRange();\n      } else {\n        return getCurrentSelectedAreaRange();\n      }\n    }\n    // Updates the previous selection with the current selection's values. This\n    // should only be called in visual mode.\n    function updateLastSelection(cm, vim) {\n      var anchor = vim.sel.anchor;\n      var head = vim.sel.head;\n      // To accommodate the effect of lastPastedText in the last selection\n      if (vim.lastPastedText) {\n        head = cm.posFromIndex(cm.indexFromPos(anchor) + vim.lastPastedText.length);\n        vim.lastPastedText = null;\n      }\n      vim.lastSelection = {'anchorMark': cm.setBookmark(anchor),\n                           'headMark': cm.setBookmark(head),\n                           'anchor': copyCursor(anchor),\n                           'head': copyCursor(head),\n                           'visualMode': vim.visualMode,\n                           'visualLine': vim.visualLine,\n                           'visualBlock': vim.visualBlock};\n    }\n    function expandSelection(cm, start, end) {\n      var sel = cm.state.vim.sel;\n      var head = sel.head;\n      var anchor = sel.anchor;\n      var tmp;\n      if (cursorIsBefore(end, start)) {\n        tmp = end;\n        end = start;\n        start = tmp;\n      }\n      if (cursorIsBefore(head, anchor)) {\n        head = cursorMin(start, head);\n        anchor = cursorMax(anchor, end);\n      } else {\n        anchor = cursorMin(start, anchor);\n        head = cursorMax(head, end);\n        head = offsetCursor(head, 0, -1);\n        if (head.ch == -1 && head.line != cm.firstLine()) {\n          head = Pos(head.line - 1, lineLength(cm, head.line - 1));\n        }\n      }\n      return [anchor, head];\n    }\n    /**\n     * Updates the CodeMirror selection to match the provided vim selection.\n     * If no arguments are given, it uses the current vim selection state.\n     */\n    function updateCmSelection(cm, sel, mode) {\n      var vim = cm.state.vim;\n      sel = sel || vim.sel;\n      var mode = mode ||\n        vim.visualLine ? 'line' : vim.visualBlock ? 'block' : 'char';\n      var cmSel = makeCmSelection(cm, sel, mode);\n      cm.setSelections(cmSel.ranges, cmSel.primary);\n      updateFakeCursor(cm);\n    }\n    function makeCmSelection(cm, sel, mode, exclusive) {\n      var head = copyCursor(sel.head);\n      var anchor = copyCursor(sel.anchor);\n      if (mode == 'char') {\n        var headOffset = !exclusive && !cursorIsBefore(sel.head, sel.anchor) ? 1 : 0;\n        var anchorOffset = cursorIsBefore(sel.head, sel.anchor) ? 1 : 0;\n        head = offsetCursor(sel.head, 0, headOffset);\n        anchor = offsetCursor(sel.anchor, 0, anchorOffset);\n        return {\n          ranges: [{anchor: anchor, head: head}],\n          primary: 0\n        };\n      } else if (mode == 'line') {\n        if (!cursorIsBefore(sel.head, sel.anchor)) {\n          anchor.ch = 0;\n\n          var lastLine = cm.lastLine();\n          if (head.line > lastLine) {\n            head.line = lastLine;\n          }\n          head.ch = lineLength(cm, head.line);\n        } else {\n          head.ch = 0;\n          anchor.ch = lineLength(cm, anchor.line);\n        }\n        return {\n          ranges: [{anchor: anchor, head: head}],\n          primary: 0\n        };\n      } else if (mode == 'block') {\n        var top = Math.min(anchor.line, head.line),\n            left = Math.min(anchor.ch, head.ch),\n            bottom = Math.max(anchor.line, head.line),\n            right = Math.max(anchor.ch, head.ch) + 1;\n        var height = bottom - top + 1;\n        var primary = head.line == top ? 0 : height - 1;\n        var ranges = [];\n        for (var i = 0; i < height; i++) {\n          ranges.push({\n            anchor: Pos(top + i, left),\n            head: Pos(top + i, right)\n          });\n        }\n        return {\n          ranges: ranges,\n          primary: primary\n        };\n      }\n    }\n    function getHead(cm) {\n      var cur = cm.getCursor('head');\n      if (cm.getSelection().length == 1) {\n        // Small corner case when only 1 character is selected. The \"real\"\n        // head is the left of head and anchor.\n        cur = cursorMin(cur, cm.getCursor('anchor'));\n      }\n      return cur;\n    }\n\n    /**\n     * If moveHead is set to false, the CodeMirror selection will not be\n     * touched. The caller assumes the responsibility of putting the cursor\n    * in the right place.\n     */\n    function exitVisualMode(cm, moveHead) {\n      var vim = cm.state.vim;\n      if (moveHead !== false) {\n        cm.setCursor(clipCursorToContent(cm, vim.sel.head));\n      }\n      updateLastSelection(cm, vim);\n      vim.visualMode = false;\n      vim.visualLine = false;\n      vim.visualBlock = false;\n      if (!vim.insertMode) CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"normal\"});\n      clearFakeCursor(vim);\n    }\n\n    // Remove any trailing newlines from the selection. For\n    // example, with the caret at the start of the last word on the line,\n    // 'dw' should word, but not the newline, while 'w' should advance the\n    // caret to the first character of the next line.\n    function clipToLine(cm, curStart, curEnd) {\n      var selection = cm.getRange(curStart, curEnd);\n      // Only clip if the selection ends with trailing newline + whitespace\n      if (/\\n\\s*$/.test(selection)) {\n        var lines = selection.split('\\n');\n        // We know this is all whitespace.\n        lines.pop();\n\n        // Cases:\n        // 1. Last word is an empty line - do not clip the trailing '\\n'\n        // 2. Last word is not an empty line - clip the trailing '\\n'\n        var line;\n        // Find the line containing the last word, and clip all whitespace up\n        // to it.\n        for (var line = lines.pop(); lines.length > 0 && line && isWhiteSpaceString(line); line = lines.pop()) {\n          curEnd.line--;\n          curEnd.ch = 0;\n        }\n        // If the last word is not an empty line, clip an additional newline\n        if (line) {\n          curEnd.line--;\n          curEnd.ch = lineLength(cm, curEnd.line);\n        } else {\n          curEnd.ch = 0;\n        }\n      }\n    }\n\n    // Expand the selection to line ends.\n    function expandSelectionToLine(_cm, curStart, curEnd) {\n      curStart.ch = 0;\n      curEnd.ch = 0;\n      curEnd.line++;\n    }\n\n    function findFirstNonWhiteSpaceCharacter(text) {\n      if (!text) {\n        return 0;\n      }\n      var firstNonWS = text.search(/\\S/);\n      return firstNonWS == -1 ? text.length : firstNonWS;\n    }\n\n    function expandWordUnderCursor(cm, inclusive, _forward, bigWord, noSymbol) {\n      var cur = getHead(cm);\n      var line = cm.getLine(cur.line);\n      var idx = cur.ch;\n\n      // Seek to first word or non-whitespace character, depending on if\n      // noSymbol is true.\n      var test = noSymbol ? wordCharTest[0] : bigWordCharTest [0];\n      while (!test(line.charAt(idx))) {\n        idx++;\n        if (idx >= line.length) { return null; }\n      }\n\n      if (bigWord) {\n        test = bigWordCharTest[0];\n      } else {\n        test = wordCharTest[0];\n        if (!test(line.charAt(idx))) {\n          test = wordCharTest[1];\n        }\n      }\n\n      var end = idx, start = idx;\n      while (test(line.charAt(end)) && end < line.length) { end++; }\n      while (test(line.charAt(start)) && start >= 0) { start--; }\n      start++;\n\n      if (inclusive) {\n        // If present, include all whitespace after word.\n        // Otherwise, include all whitespace before word, except indentation.\n        var wordEnd = end;\n        while (/\\s/.test(line.charAt(end)) && end < line.length) { end++; }\n        if (wordEnd == end) {\n          var wordStart = start;\n          while (/\\s/.test(line.charAt(start - 1)) && start > 0) { start--; }\n          if (!start) { start = wordStart; }\n        }\n      }\n      return { start: Pos(cur.line, start), end: Pos(cur.line, end) };\n    }\n\n    /**\n     * Depends on the following:\n     *\n     * - editor mode should be htmlmixedmode / xml\n     * - mode/xml/xml.js should be loaded\n     * - addon/fold/xml-fold.js should be loaded\n     *\n     * If any of the above requirements are not true, this function noops.\n     *\n     * This is _NOT_ a 100% accurate implementation of vim tag text objects.\n     * The following caveats apply (based off cursory testing, I'm sure there\n     * are other discrepancies):\n     *\n     * - Does not work inside comments:\n     *   ```\n     *   <!-- <div>broken</div> -->\n     *   ```\n     * - Does not work when tags have different cases:\n     *   ```\n     *   <div>broken</DIV>\n     *   ```\n     * - Does not work when cursor is inside a broken tag:\n     *   ```\n     *   <div><brok><en></div>\n     *   ```\n     */\n    function expandTagUnderCursor(cm, head, inclusive) {\n      var cur = head;\n      if (!CodeMirror.findMatchingTag || !CodeMirror.findEnclosingTag) {\n        return { start: cur, end: cur };\n      }\n\n      var tags = CodeMirror.findMatchingTag(cm, head) || CodeMirror.findEnclosingTag(cm, head);\n      if (!tags || !tags.open || !tags.close) {\n        return { start: cur, end: cur };\n      }\n\n      if (inclusive) {\n        return { start: tags.open.from, end: tags.close.to };\n      }\n      return { start: tags.open.to, end: tags.close.from };\n    }\n\n    function recordJumpPosition(cm, oldCur, newCur) {\n      if (!cursorEqual(oldCur, newCur)) {\n        vimGlobalState.jumpList.add(cm, oldCur, newCur);\n      }\n    }\n\n    function recordLastCharacterSearch(increment, args) {\n        vimGlobalState.lastCharacterSearch.increment = increment;\n        vimGlobalState.lastCharacterSearch.forward = args.forward;\n        vimGlobalState.lastCharacterSearch.selectedCharacter = args.selectedCharacter;\n    }\n\n    var symbolToMode = {\n        '(': 'bracket', ')': 'bracket', '{': 'bracket', '}': 'bracket',\n        '[': 'section', ']': 'section',\n        '*': 'comment', '/': 'comment',\n        'm': 'method', 'M': 'method',\n        '#': 'preprocess'\n    };\n    var findSymbolModes = {\n      bracket: {\n        isComplete: function(state) {\n          if (state.nextCh === state.symb) {\n            state.depth++;\n            if (state.depth >= 1)return true;\n          } else if (state.nextCh === state.reverseSymb) {\n            state.depth--;\n          }\n          return false;\n        }\n      },\n      section: {\n        init: function(state) {\n          state.curMoveThrough = true;\n          state.symb = (state.forward ? ']' : '[') === state.symb ? '{' : '}';\n        },\n        isComplete: function(state) {\n          return state.index === 0 && state.nextCh === state.symb;\n        }\n      },\n      comment: {\n        isComplete: function(state) {\n          var found = state.lastCh === '*' && state.nextCh === '/';\n          state.lastCh = state.nextCh;\n          return found;\n        }\n      },\n      // TODO: The original Vim implementation only operates on level 1 and 2.\n      // The current implementation doesn't check for code block level and\n      // therefore it operates on any levels.\n      method: {\n        init: function(state) {\n          state.symb = (state.symb === 'm' ? '{' : '}');\n          state.reverseSymb = state.symb === '{' ? '}' : '{';\n        },\n        isComplete: function(state) {\n          if (state.nextCh === state.symb)return true;\n          return false;\n        }\n      },\n      preprocess: {\n        init: function(state) {\n          state.index = 0;\n        },\n        isComplete: function(state) {\n          if (state.nextCh === '#') {\n            var token = state.lineText.match(/#(\\w+)/)[1];\n            if (token === 'endif') {\n              if (state.forward && state.depth === 0) {\n                return true;\n              }\n              state.depth++;\n            } else if (token === 'if') {\n              if (!state.forward && state.depth === 0) {\n                return true;\n              }\n              state.depth--;\n            }\n            if (token === 'else' && state.depth === 0)return true;\n          }\n          return false;\n        }\n      }\n    };\n    function findSymbol(cm, repeat, forward, symb) {\n      var cur = copyCursor(cm.getCursor());\n      var increment = forward ? 1 : -1;\n      var endLine = forward ? cm.lineCount() : -1;\n      var curCh = cur.ch;\n      var line = cur.line;\n      var lineText = cm.getLine(line);\n      var state = {\n        lineText: lineText,\n        nextCh: lineText.charAt(curCh),\n        lastCh: null,\n        index: curCh,\n        symb: symb,\n        reverseSymb: (forward ?  { ')': '(', '}': '{' } : { '(': ')', '{': '}' })[symb],\n        forward: forward,\n        depth: 0,\n        curMoveThrough: false\n      };\n      var mode = symbolToMode[symb];\n      if (!mode)return cur;\n      var init = findSymbolModes[mode].init;\n      var isComplete = findSymbolModes[mode].isComplete;\n      if (init) { init(state); }\n      while (line !== endLine && repeat) {\n        state.index += increment;\n        state.nextCh = state.lineText.charAt(state.index);\n        if (!state.nextCh) {\n          line += increment;\n          state.lineText = cm.getLine(line) || '';\n          if (increment > 0) {\n            state.index = 0;\n          } else {\n            var lineLen = state.lineText.length;\n            state.index = (lineLen > 0) ? (lineLen-1) : 0;\n          }\n          state.nextCh = state.lineText.charAt(state.index);\n        }\n        if (isComplete(state)) {\n          cur.line = line;\n          cur.ch = state.index;\n          repeat--;\n        }\n      }\n      if (state.nextCh || state.curMoveThrough) {\n        return Pos(line, state.index);\n      }\n      return cur;\n    }\n\n    /*\n     * Returns the boundaries of the next word. If the cursor in the middle of\n     * the word, then returns the boundaries of the current word, starting at\n     * the cursor. If the cursor is at the start/end of a word, and we are going\n     * forward/backward, respectively, find the boundaries of the next word.\n     *\n     * @param {CodeMirror} cm CodeMirror object.\n     * @param {Cursor} cur The cursor position.\n     * @param {boolean} forward True to search forward. False to search\n     *     backward.\n     * @param {boolean} bigWord True if punctuation count as part of the word.\n     *     False if only [a-zA-Z0-9] characters count as part of the word.\n     * @param {boolean} emptyLineIsWord True if empty lines should be treated\n     *     as words.\n     * @return {Object{from:number, to:number, line: number}} The boundaries of\n     *     the word, or null if there are no more words.\n     */\n    function findWord(cm, cur, forward, bigWord, emptyLineIsWord) {\n      var lineNum = cur.line;\n      var pos = cur.ch;\n      var line = cm.getLine(lineNum);\n      var dir = forward ? 1 : -1;\n      var charTests = bigWord ? bigWordCharTest: wordCharTest;\n\n      if (emptyLineIsWord && line == '') {\n        lineNum += dir;\n        line = cm.getLine(lineNum);\n        if (!isLine(cm, lineNum)) {\n          return null;\n        }\n        pos = (forward) ? 0 : line.length;\n      }\n\n      while (true) {\n        if (emptyLineIsWord && line == '') {\n          return { from: 0, to: 0, line: lineNum };\n        }\n        var stop = (dir > 0) ? line.length : -1;\n        var wordStart = stop, wordEnd = stop;\n        // Find bounds of next word.\n        while (pos != stop) {\n          var foundWord = false;\n          for (var i = 0; i < charTests.length && !foundWord; ++i) {\n            if (charTests[i](line.charAt(pos))) {\n              wordStart = pos;\n              // Advance to end of word.\n              while (pos != stop && charTests[i](line.charAt(pos))) {\n                pos += dir;\n              }\n              wordEnd = pos;\n              foundWord = wordStart != wordEnd;\n              if (wordStart == cur.ch && lineNum == cur.line &&\n                  wordEnd == wordStart + dir) {\n                // We started at the end of a word. Find the next one.\n                continue;\n              } else {\n                return {\n                  from: Math.min(wordStart, wordEnd + 1),\n                  to: Math.max(wordStart, wordEnd),\n                  line: lineNum };\n              }\n            }\n          }\n          if (!foundWord) {\n            pos += dir;\n          }\n        }\n        // Advance to next/prev line.\n        lineNum += dir;\n        if (!isLine(cm, lineNum)) {\n          return null;\n        }\n        line = cm.getLine(lineNum);\n        pos = (dir > 0) ? 0 : line.length;\n      }\n    }\n\n    /**\n     * @param {CodeMirror} cm CodeMirror object.\n     * @param {Pos} cur The position to start from.\n     * @param {int} repeat Number of words to move past.\n     * @param {boolean} forward True to search forward. False to search\n     *     backward.\n     * @param {boolean} wordEnd True to move to end of word. False to move to\n     *     beginning of word.\n     * @param {boolean} bigWord True if punctuation count as part of the word.\n     *     False if only alphabet characters count as part of the word.\n     * @return {Cursor} The position the cursor should move to.\n     */\n    function moveToWord(cm, cur, repeat, forward, wordEnd, bigWord) {\n      var curStart = copyCursor(cur);\n      var words = [];\n      if (forward && !wordEnd || !forward && wordEnd) {\n        repeat++;\n      }\n      // For 'e', empty lines are not considered words, go figure.\n      var emptyLineIsWord = !(forward && wordEnd);\n      for (var i = 0; i < repeat; i++) {\n        var word = findWord(cm, cur, forward, bigWord, emptyLineIsWord);\n        if (!word) {\n          var eodCh = lineLength(cm, cm.lastLine());\n          words.push(forward\n              ? {line: cm.lastLine(), from: eodCh, to: eodCh}\n              : {line: 0, from: 0, to: 0});\n          break;\n        }\n        words.push(word);\n        cur = Pos(word.line, forward ? (word.to - 1) : word.from);\n      }\n      var shortCircuit = words.length != repeat;\n      var firstWord = words[0];\n      var lastWord = words.pop();\n      if (forward && !wordEnd) {\n        // w\n        if (!shortCircuit && (firstWord.from != curStart.ch || firstWord.line != curStart.line)) {\n          // We did not start in the middle of a word. Discard the extra word at the end.\n          lastWord = words.pop();\n        }\n        return Pos(lastWord.line, lastWord.from);\n      } else if (forward && wordEnd) {\n        return Pos(lastWord.line, lastWord.to - 1);\n      } else if (!forward && wordEnd) {\n        // ge\n        if (!shortCircuit && (firstWord.to != curStart.ch || firstWord.line != curStart.line)) {\n          // We did not start in the middle of a word. Discard the extra word at the end.\n          lastWord = words.pop();\n        }\n        return Pos(lastWord.line, lastWord.to);\n      } else {\n        // b\n        return Pos(lastWord.line, lastWord.from);\n      }\n    }\n\n    function moveToCharacter(cm, repeat, forward, character) {\n      var cur = cm.getCursor();\n      var start = cur.ch;\n      var idx;\n      for (var i = 0; i < repeat; i ++) {\n        var line = cm.getLine(cur.line);\n        idx = charIdxInLine(start, line, character, forward, true);\n        if (idx == -1) {\n          return null;\n        }\n        start = idx;\n      }\n      return Pos(cm.getCursor().line, idx);\n    }\n\n    function moveToColumn(cm, repeat) {\n      // repeat is always >= 1, so repeat - 1 always corresponds\n      // to the column we want to go to.\n      var line = cm.getCursor().line;\n      return clipCursorToContent(cm, Pos(line, repeat - 1));\n    }\n\n    function updateMark(cm, vim, markName, pos) {\n      if (!inArray(markName, validMarks)) {\n        return;\n      }\n      if (vim.marks[markName]) {\n        vim.marks[markName].clear();\n      }\n      vim.marks[markName] = cm.setBookmark(pos);\n    }\n\n    function charIdxInLine(start, line, character, forward, includeChar) {\n      // Search for char in line.\n      // motion_options: {forward, includeChar}\n      // If includeChar = true, include it too.\n      // If forward = true, search forward, else search backwards.\n      // If char is not found on this line, do nothing\n      var idx;\n      if (forward) {\n        idx = line.indexOf(character, start + 1);\n        if (idx != -1 && !includeChar) {\n          idx -= 1;\n        }\n      } else {\n        idx = line.lastIndexOf(character, start - 1);\n        if (idx != -1 && !includeChar) {\n          idx += 1;\n        }\n      }\n      return idx;\n    }\n\n    function findParagraph(cm, head, repeat, dir, inclusive) {\n      var line = head.line;\n      var min = cm.firstLine();\n      var max = cm.lastLine();\n      var start, end, i = line;\n      function isEmpty(i) { return !cm.getLine(i); }\n      function isBoundary(i, dir, any) {\n        if (any) { return isEmpty(i) != isEmpty(i + dir); }\n        return !isEmpty(i) && isEmpty(i + dir);\n      }\n      if (dir) {\n        while (min <= i && i <= max && repeat > 0) {\n          if (isBoundary(i, dir)) { repeat--; }\n          i += dir;\n        }\n        return new Pos(i, 0);\n      }\n\n      var vim = cm.state.vim;\n      if (vim.visualLine && isBoundary(line, 1, true)) {\n        var anchor = vim.sel.anchor;\n        if (isBoundary(anchor.line, -1, true)) {\n          if (!inclusive || anchor.line != line) {\n            line += 1;\n          }\n        }\n      }\n      var startState = isEmpty(line);\n      for (i = line; i <= max && repeat; i++) {\n        if (isBoundary(i, 1, true)) {\n          if (!inclusive || isEmpty(i) != startState) {\n            repeat--;\n          }\n        }\n      }\n      end = new Pos(i, 0);\n      // select boundary before paragraph for the last one\n      if (i > max && !startState) { startState = true; }\n      else { inclusive = false; }\n      for (i = line; i > min; i--) {\n        if (!inclusive || isEmpty(i) == startState || i == line) {\n          if (isBoundary(i, -1, true)) { break; }\n        }\n      }\n      start = new Pos(i, 0);\n      return { start: start, end: end };\n    }\n\n    function findSentence(cm, cur, repeat, dir) {\n\n      /*\n        Takes an index object\n        {\n          line: the line string,\n          ln: line number,\n          pos: index in line,\n          dir: direction of traversal (-1 or 1)\n        }\n        and modifies the line, ln, and pos members to represent the\n        next valid position or sets them to null if there are\n        no more valid positions.\n       */\n      function nextChar(cm, idx) {\n        if (idx.pos + idx.dir < 0 || idx.pos + idx.dir >= idx.line.length) {\n          idx.ln += idx.dir;\n          if (!isLine(cm, idx.ln)) {\n            idx.line = null;\n            idx.ln = null;\n            idx.pos = null;\n            return;\n          }\n          idx.line = cm.getLine(idx.ln);\n          idx.pos = (idx.dir > 0) ? 0 : idx.line.length - 1;\n        }\n        else {\n          idx.pos += idx.dir;\n        }\n      }\n\n      /*\n        Performs one iteration of traversal in forward direction\n        Returns an index object of the new location\n       */\n      function forward(cm, ln, pos, dir) {\n        var line = cm.getLine(ln);\n        var stop = (line === \"\");\n\n        var curr = {\n          line: line,\n          ln: ln,\n          pos: pos,\n          dir: dir,\n        }\n\n        var last_valid = {\n          ln: curr.ln,\n          pos: curr.pos,\n        }\n\n        var skip_empty_lines = (curr.line === \"\");\n\n        // Move one step to skip character we start on\n        nextChar(cm, curr);\n\n        while (curr.line !== null) {\n          last_valid.ln = curr.ln;\n          last_valid.pos = curr.pos;\n\n          if (curr.line === \"\" && !skip_empty_lines) {\n            return { ln: curr.ln, pos: curr.pos, };\n          }\n          else if (stop && curr.line !== \"\" && !isWhiteSpaceString(curr.line[curr.pos])) {\n            return { ln: curr.ln, pos: curr.pos, };\n          }\n          else if (isEndOfSentenceSymbol(curr.line[curr.pos])\n            && !stop\n            && (curr.pos === curr.line.length - 1\n              || isWhiteSpaceString(curr.line[curr.pos + 1]))) {\n            stop = true;\n          }\n\n          nextChar(cm, curr);\n        }\n\n        /*\n          Set the position to the last non whitespace character on the last\n          valid line in the case that we reach the end of the document.\n        */\n        var line = cm.getLine(last_valid.ln);\n        last_valid.pos = 0;\n        for(var i = line.length - 1; i >= 0; --i) {\n          if (!isWhiteSpaceString(line[i])) {\n            last_valid.pos = i;\n            break;\n          }\n        }\n\n        return last_valid;\n\n      }\n\n      /*\n        Performs one iteration of traversal in reverse direction\n        Returns an index object of the new location\n       */\n      function reverse(cm, ln, pos, dir) {\n        var line = cm.getLine(ln);\n\n        var curr = {\n          line: line,\n          ln: ln,\n          pos: pos,\n          dir: dir,\n        }\n\n        var last_valid = {\n          ln: curr.ln,\n          pos: null,\n        };\n\n        var skip_empty_lines = (curr.line === \"\");\n\n        // Move one step to skip character we start on\n        nextChar(cm, curr);\n\n        while (curr.line !== null) {\n\n          if (curr.line === \"\" && !skip_empty_lines) {\n            if (last_valid.pos !== null) {\n              return last_valid;\n            }\n            else {\n              return { ln: curr.ln, pos: curr.pos };\n            }\n          }\n          else if (isEndOfSentenceSymbol(curr.line[curr.pos])\n              && last_valid.pos !== null\n              && !(curr.ln === last_valid.ln && curr.pos + 1 === last_valid.pos)) {\n            return last_valid;\n          }\n          else if (curr.line !== \"\" && !isWhiteSpaceString(curr.line[curr.pos])) {\n            skip_empty_lines = false;\n            last_valid = { ln: curr.ln, pos: curr.pos }\n          }\n\n          nextChar(cm, curr);\n        }\n\n        /*\n          Set the position to the first non whitespace character on the last\n          valid line in the case that we reach the beginning of the document.\n        */\n        var line = cm.getLine(last_valid.ln);\n        last_valid.pos = 0;\n        for(var i = 0; i < line.length; ++i) {\n          if (!isWhiteSpaceString(line[i])) {\n            last_valid.pos = i;\n            break;\n          }\n        }\n        return last_valid;\n      }\n\n      var curr_index = {\n        ln: cur.line,\n        pos: cur.ch,\n      };\n\n      while (repeat > 0) {\n        if (dir < 0) {\n          curr_index = reverse(cm, curr_index.ln, curr_index.pos, dir);\n        }\n        else {\n          curr_index = forward(cm, curr_index.ln, curr_index.pos, dir);\n        }\n        repeat--;\n      }\n\n      return Pos(curr_index.ln, curr_index.pos);\n    }\n\n    // TODO: perhaps this finagling of start and end positions belongs\n    // in codemirror/replaceRange?\n    function selectCompanionObject(cm, head, symb, inclusive) {\n      var cur = head, start, end;\n\n      var bracketRegexp = ({\n        '(': /[()]/, ')': /[()]/,\n        '[': /[[\\]]/, ']': /[[\\]]/,\n        '{': /[{}]/, '}': /[{}]/,\n        '<': /[<>]/, '>': /[<>]/})[symb];\n      var openSym = ({\n        '(': '(', ')': '(',\n        '[': '[', ']': '[',\n        '{': '{', '}': '{',\n        '<': '<', '>': '<'})[symb];\n      var curChar = cm.getLine(cur.line).charAt(cur.ch);\n      // Due to the behavior of scanForBracket, we need to add an offset if the\n      // cursor is on a matching open bracket.\n      var offset = curChar === openSym ? 1 : 0;\n\n      start = cm.scanForBracket(Pos(cur.line, cur.ch + offset), -1, undefined, {'bracketRegex': bracketRegexp});\n      end = cm.scanForBracket(Pos(cur.line, cur.ch + offset), 1, undefined, {'bracketRegex': bracketRegexp});\n\n      if (!start || !end) {\n        return { start: cur, end: cur };\n      }\n\n      start = start.pos;\n      end = end.pos;\n\n      if ((start.line == end.line && start.ch > end.ch)\n          || (start.line > end.line)) {\n        var tmp = start;\n        start = end;\n        end = tmp;\n      }\n\n      if (inclusive) {\n        end.ch += 1;\n      } else {\n        start.ch += 1;\n      }\n\n      return { start: start, end: end };\n    }\n\n    // Takes in a symbol and a cursor and tries to simulate text objects that\n    // have identical opening and closing symbols\n    // TODO support across multiple lines\n    function findBeginningAndEnd(cm, head, symb, inclusive) {\n      var cur = copyCursor(head);\n      var line = cm.getLine(cur.line);\n      var chars = line.split('');\n      var start, end, i, len;\n      var firstIndex = chars.indexOf(symb);\n\n      // the decision tree is to always look backwards for the beginning first,\n      // but if the cursor is in front of the first instance of the symb,\n      // then move the cursor forward\n      if (cur.ch < firstIndex) {\n        cur.ch = firstIndex;\n        // Why is this line even here???\n        // cm.setCursor(cur.line, firstIndex+1);\n      }\n      // otherwise if the cursor is currently on the closing symbol\n      else if (firstIndex < cur.ch && chars[cur.ch] == symb) {\n        end = cur.ch; // assign end to the current cursor\n        --cur.ch; // make sure to look backwards\n      }\n\n      // if we're currently on the symbol, we've got a start\n      if (chars[cur.ch] == symb && !end) {\n        start = cur.ch + 1; // assign start to ahead of the cursor\n      } else {\n        // go backwards to find the start\n        for (i = cur.ch; i > -1 && !start; i--) {\n          if (chars[i] == symb) {\n            start = i + 1;\n          }\n        }\n      }\n\n      // look forwards for the end symbol\n      if (start && !end) {\n        for (i = start, len = chars.length; i < len && !end; i++) {\n          if (chars[i] == symb) {\n            end = i;\n          }\n        }\n      }\n\n      // nothing found\n      if (!start || !end) {\n        return { start: cur, end: cur };\n      }\n\n      // include the symbols\n      if (inclusive) {\n        --start; ++end;\n      }\n\n      return {\n        start: Pos(cur.line, start),\n        end: Pos(cur.line, end)\n      };\n    }\n\n    // Search functions\n    defineOption('pcre', true, 'boolean');\n    function SearchState() {}\n    SearchState.prototype = {\n      getQuery: function() {\n        return vimGlobalState.query;\n      },\n      setQuery: function(query) {\n        vimGlobalState.query = query;\n      },\n      getOverlay: function() {\n        return this.searchOverlay;\n      },\n      setOverlay: function(overlay) {\n        this.searchOverlay = overlay;\n      },\n      isReversed: function() {\n        return vimGlobalState.isReversed;\n      },\n      setReversed: function(reversed) {\n        vimGlobalState.isReversed = reversed;\n      },\n      getScrollbarAnnotate: function() {\n        return this.annotate;\n      },\n      setScrollbarAnnotate: function(annotate) {\n        this.annotate = annotate;\n      }\n    };\n    function getSearchState(cm) {\n      var vim = cm.state.vim;\n      return vim.searchState_ || (vim.searchState_ = new SearchState());\n    }\n    function dialog(cm, template, shortText, onClose, options) {\n      if (cm.openDialog) {\n        cm.openDialog(template, onClose, { bottom: true, value: options.value,\n            onKeyDown: options.onKeyDown, onKeyUp: options.onKeyUp,\n            selectValueOnOpen: false});\n      }\n      else {\n        onClose(prompt(shortText, ''));\n      }\n    }\n    function splitBySlash(argString) {\n      return splitBySeparator(argString, '/');\n    }\n\n    function findUnescapedSlashes(argString) {\n      return findUnescapedSeparators(argString, '/');\n    }\n\n    function splitBySeparator(argString, separator) {\n      var slashes = findUnescapedSeparators(argString, separator) || [];\n      if (!slashes.length) return [];\n      var tokens = [];\n      // in case of strings like foo/bar\n      if (slashes[0] !== 0) return;\n      for (var i = 0; i < slashes.length; i++) {\n        if (typeof slashes[i] == 'number')\n          tokens.push(argString.substring(slashes[i] + 1, slashes[i+1]));\n      }\n      return tokens;\n    }\n\n    function findUnescapedSeparators(str, separator) {\n      if (!separator)\n        separator = '/';\n\n      var escapeNextChar = false;\n      var slashes = [];\n      for (var i = 0; i < str.length; i++) {\n        var c = str.charAt(i);\n        if (!escapeNextChar && c == separator) {\n          slashes.push(i);\n        }\n        escapeNextChar = !escapeNextChar && (c == '\\\\');\n      }\n      return slashes;\n    }\n\n    // Translates a search string from ex (vim) syntax into javascript form.\n    function translateRegex(str) {\n      // When these match, add a '\\' if unescaped or remove one if escaped.\n      var specials = '|(){';\n      // Remove, but never add, a '\\' for these.\n      var unescape = '}';\n      var escapeNextChar = false;\n      var out = [];\n      for (var i = -1; i < str.length; i++) {\n        var c = str.charAt(i) || '';\n        var n = str.charAt(i+1) || '';\n        var specialComesNext = (n && specials.indexOf(n) != -1);\n        if (escapeNextChar) {\n          if (c !== '\\\\' || !specialComesNext) {\n            out.push(c);\n          }\n          escapeNextChar = false;\n        } else {\n          if (c === '\\\\') {\n            escapeNextChar = true;\n            // Treat the unescape list as special for removing, but not adding '\\'.\n            if (n && unescape.indexOf(n) != -1) {\n              specialComesNext = true;\n            }\n            // Not passing this test means removing a '\\'.\n            if (!specialComesNext || n === '\\\\') {\n              out.push(c);\n            }\n          } else {\n            out.push(c);\n            if (specialComesNext && n !== '\\\\') {\n              out.push('\\\\');\n            }\n          }\n        }\n      }\n      return out.join('');\n    }\n\n    // Translates the replace part of a search and replace from ex (vim) syntax into\n    // javascript form.  Similar to translateRegex, but additionally fixes back references\n    // (translates '\\[0..9]' to '$[0..9]') and follows different rules for escaping '$'.\n    var charUnescapes = {'\\\\n': '\\n', '\\\\r': '\\r', '\\\\t': '\\t'};\n    function translateRegexReplace(str) {\n      var escapeNextChar = false;\n      var out = [];\n      for (var i = -1; i < str.length; i++) {\n        var c = str.charAt(i) || '';\n        var n = str.charAt(i+1) || '';\n        if (charUnescapes[c + n]) {\n          out.push(charUnescapes[c+n]);\n          i++;\n        } else if (escapeNextChar) {\n          // At any point in the loop, escapeNextChar is true if the previous\n          // character was a '\\' and was not escaped.\n          out.push(c);\n          escapeNextChar = false;\n        } else {\n          if (c === '\\\\') {\n            escapeNextChar = true;\n            if ((isNumber(n) || n === '$')) {\n              out.push('$');\n            } else if (n !== '/' && n !== '\\\\') {\n              out.push('\\\\');\n            }\n          } else {\n            if (c === '$') {\n              out.push('$');\n            }\n            out.push(c);\n            if (n === '/') {\n              out.push('\\\\');\n            }\n          }\n        }\n      }\n      return out.join('');\n    }\n\n    // Unescape \\ and / in the replace part, for PCRE mode.\n    var unescapes = {'\\\\/': '/', '\\\\\\\\': '\\\\', '\\\\n': '\\n', '\\\\r': '\\r', '\\\\t': '\\t', '\\\\&':'&'};\n    function unescapeRegexReplace(str) {\n      var stream = new CodeMirror.StringStream(str);\n      var output = [];\n      while (!stream.eol()) {\n        // Search for \\.\n        while (stream.peek() && stream.peek() != '\\\\') {\n          output.push(stream.next());\n        }\n        var matched = false;\n        for (var matcher in unescapes) {\n          if (stream.match(matcher, true)) {\n            matched = true;\n            output.push(unescapes[matcher]);\n            break;\n          }\n        }\n        if (!matched) {\n          // Don't change anything\n          output.push(stream.next());\n        }\n      }\n      return output.join('');\n    }\n\n    /**\n     * Extract the regular expression from the query and return a Regexp object.\n     * Returns null if the query is blank.\n     * If ignoreCase is passed in, the Regexp object will have the 'i' flag set.\n     * If smartCase is passed in, and the query contains upper case letters,\n     *   then ignoreCase is overridden, and the 'i' flag will not be set.\n     * If the query contains the /i in the flag part of the regular expression,\n     *   then both ignoreCase and smartCase are ignored, and 'i' will be passed\n     *   through to the Regex object.\n     */\n    function parseQuery(query, ignoreCase, smartCase) {\n      // First update the last search register\n      var lastSearchRegister = vimGlobalState.registerController.getRegister('/');\n      lastSearchRegister.setText(query);\n      // Check if the query is already a regex.\n      if (query instanceof RegExp) { return query; }\n      // First try to extract regex + flags from the input. If no flags found,\n      // extract just the regex. IE does not accept flags directly defined in\n      // the regex string in the form /regex/flags\n      var slashes = findUnescapedSlashes(query);\n      var regexPart;\n      var forceIgnoreCase;\n      if (!slashes.length) {\n        // Query looks like 'regexp'\n        regexPart = query;\n      } else {\n        // Query looks like 'regexp/...'\n        regexPart = query.substring(0, slashes[0]);\n        var flagsPart = query.substring(slashes[0]);\n        forceIgnoreCase = (flagsPart.indexOf('i') != -1);\n      }\n      if (!regexPart) {\n        return null;\n      }\n      if (!getOption('pcre')) {\n        regexPart = translateRegex(regexPart);\n      }\n      if (smartCase) {\n        ignoreCase = (/^[^A-Z]*$/).test(regexPart);\n      }\n      var regexp = new RegExp(regexPart,\n          (ignoreCase || forceIgnoreCase) ? 'i' : undefined);\n      return regexp;\n    }\n    function showConfirm(cm, text) {\n      if (cm.openNotification) {\n        cm.openNotification('<span style=\"color: red\">' + text + '</span>',\n                            {bottom: true, duration: 5000});\n      } else {\n        alert(text);\n      }\n    }\n    function makePrompt(prefix, desc) {\n      var raw = '<span style=\"font-family: monospace; white-space: pre\">' +\n          (prefix || \"\") + '<input type=\"text\" autocorrect=\"off\" ' +\n          'autocapitalize=\"off\" spellcheck=\"false\"></span>';\n      if (desc)\n        raw += ' <span style=\"color: #888\">' + desc + '</span>';\n      return raw;\n    }\n    var searchPromptDesc = '(Javascript regexp)';\n    function showPrompt(cm, options) {\n      var shortText = (options.prefix || '') + ' ' + (options.desc || '');\n      var prompt = makePrompt(options.prefix, options.desc);\n      dialog(cm, prompt, shortText, options.onClose, options);\n    }\n    function regexEqual(r1, r2) {\n      if (r1 instanceof RegExp && r2 instanceof RegExp) {\n          var props = ['global', 'multiline', 'ignoreCase', 'source'];\n          for (var i = 0; i < props.length; i++) {\n              var prop = props[i];\n              if (r1[prop] !== r2[prop]) {\n                  return false;\n              }\n          }\n          return true;\n      }\n      return false;\n    }\n    // Returns true if the query is valid.\n    function updateSearchQuery(cm, rawQuery, ignoreCase, smartCase) {\n      if (!rawQuery) {\n        return;\n      }\n      var state = getSearchState(cm);\n      var query = parseQuery(rawQuery, !!ignoreCase, !!smartCase);\n      if (!query) {\n        return;\n      }\n      highlightSearchMatches(cm, query);\n      if (regexEqual(query, state.getQuery())) {\n        return query;\n      }\n      state.setQuery(query);\n      return query;\n    }\n    function searchOverlay(query) {\n      if (query.source.charAt(0) == '^') {\n        var matchSol = true;\n      }\n      return {\n        token: function(stream) {\n          if (matchSol && !stream.sol()) {\n            stream.skipToEnd();\n            return;\n          }\n          var match = stream.match(query, false);\n          if (match) {\n            if (match[0].length == 0) {\n              // Matched empty string, skip to next.\n              stream.next();\n              return 'searching';\n            }\n            if (!stream.sol()) {\n              // Backtrack 1 to match \\b\n              stream.backUp(1);\n              if (!query.exec(stream.next() + match[0])) {\n                stream.next();\n                return null;\n              }\n            }\n            stream.match(query);\n            return 'searching';\n          }\n          while (!stream.eol()) {\n            stream.next();\n            if (stream.match(query, false)) break;\n          }\n        },\n        query: query\n      };\n    }\n    var highlightTimeout = 0;\n    function highlightSearchMatches(cm, query) {\n      clearTimeout(highlightTimeout);\n      highlightTimeout = setTimeout(function() {\n        var searchState = getSearchState(cm);\n        var overlay = searchState.getOverlay();\n        if (!overlay || query != overlay.query) {\n          if (overlay) {\n            cm.removeOverlay(overlay);\n          }\n          overlay = searchOverlay(query);\n          cm.addOverlay(overlay);\n          if (cm.showMatchesOnScrollbar) {\n            if (searchState.getScrollbarAnnotate()) {\n              searchState.getScrollbarAnnotate().clear();\n            }\n            searchState.setScrollbarAnnotate(cm.showMatchesOnScrollbar(query));\n          }\n          searchState.setOverlay(overlay);\n        }\n      }, 50);\n    }\n    function findNext(cm, prev, query, repeat) {\n      if (repeat === undefined) { repeat = 1; }\n      return cm.operation(function() {\n        var pos = cm.getCursor();\n        var cursor = cm.getSearchCursor(query, pos);\n        for (var i = 0; i < repeat; i++) {\n          var found = cursor.find(prev);\n          if (i == 0 && found && cursorEqual(cursor.from(), pos)) { found = cursor.find(prev); }\n          if (!found) {\n            // SearchCursor may have returned null because it hit EOF, wrap\n            // around and try again.\n            cursor = cm.getSearchCursor(query,\n                (prev) ? Pos(cm.lastLine()) : Pos(cm.firstLine(), 0) );\n            if (!cursor.find(prev)) {\n              return;\n            }\n          }\n        }\n        return cursor.from();\n      });\n    }\n    function clearSearchHighlight(cm) {\n      var state = getSearchState(cm);\n      cm.removeOverlay(getSearchState(cm).getOverlay());\n      state.setOverlay(null);\n      if (state.getScrollbarAnnotate()) {\n        state.getScrollbarAnnotate().clear();\n        state.setScrollbarAnnotate(null);\n      }\n    }\n    /**\n     * Check if pos is in the specified range, INCLUSIVE.\n     * Range can be specified with 1 or 2 arguments.\n     * If the first range argument is an array, treat it as an array of line\n     * numbers. Match pos against any of the lines.\n     * If the first range argument is a number,\n     *   if there is only 1 range argument, check if pos has the same line\n     *       number\n     *   if there are 2 range arguments, then check if pos is in between the two\n     *       range arguments.\n     */\n    function isInRange(pos, start, end) {\n      if (typeof pos != 'number') {\n        // Assume it is a cursor position. Get the line number.\n        pos = pos.line;\n      }\n      if (start instanceof Array) {\n        return inArray(pos, start);\n      } else {\n        if (end) {\n          return (pos >= start && pos <= end);\n        } else {\n          return pos == start;\n        }\n      }\n    }\n    function getUserVisibleLines(cm) {\n      var scrollInfo = cm.getScrollInfo();\n      var occludeToleranceTop = 6;\n      var occludeToleranceBottom = 10;\n      var from = cm.coordsChar({left:0, top: occludeToleranceTop + scrollInfo.top}, 'local');\n      var bottomY = scrollInfo.clientHeight - occludeToleranceBottom + scrollInfo.top;\n      var to = cm.coordsChar({left:0, top: bottomY}, 'local');\n      return {top: from.line, bottom: to.line};\n    }\n\n    function getMarkPos(cm, vim, markName) {\n      if (markName == '\\'' || markName == '`') {\n        return vimGlobalState.jumpList.find(cm, -1) || Pos(0, 0);\n      } else if (markName == '.') {\n        return getLastEditPos(cm);\n      }\n\n      var mark = vim.marks[markName];\n      return mark && mark.find();\n    }\n\n    function getLastEditPos(cm) {\n      var done = cm.doc.history.done;\n      for (var i = done.length; i--;) {\n        if (done[i].changes) {\n          return copyCursor(done[i].changes[0].to);\n        }\n      }\n    }\n\n    var ExCommandDispatcher = function() {\n      this.buildCommandMap_();\n    };\n    ExCommandDispatcher.prototype = {\n      processCommand: function(cm, input, opt_params) {\n        var that = this;\n        cm.operation(function () {\n          cm.curOp.isVimOp = true;\n          that._processCommand(cm, input, opt_params);\n        });\n      },\n      _processCommand: function(cm, input, opt_params) {\n        var vim = cm.state.vim;\n        var commandHistoryRegister = vimGlobalState.registerController.getRegister(':');\n        var previousCommand = commandHistoryRegister.toString();\n        if (vim.visualMode) {\n          exitVisualMode(cm);\n        }\n        var inputStream = new CodeMirror.StringStream(input);\n        // update \": with the latest command whether valid or invalid\n        commandHistoryRegister.setText(input);\n        var params = opt_params || {};\n        params.input = input;\n        try {\n          this.parseInput_(cm, inputStream, params);\n        } catch(e) {\n          showConfirm(cm, e);\n          throw e;\n        }\n        var command;\n        var commandName;\n        if (!params.commandName) {\n          // If only a line range is defined, move to the line.\n          if (params.line !== undefined) {\n            commandName = 'move';\n          }\n        } else {\n          command = this.matchCommand_(params.commandName);\n          if (command) {\n            commandName = command.name;\n            if (command.excludeFromCommandHistory) {\n              commandHistoryRegister.setText(previousCommand);\n            }\n            this.parseCommandArgs_(inputStream, params, command);\n            if (command.type == 'exToKey') {\n              // Handle Ex to Key mapping.\n              for (var i = 0; i < command.toKeys.length; i++) {\n                CodeMirror.Vim.handleKey(cm, command.toKeys[i], 'mapping');\n              }\n              return;\n            } else if (command.type == 'exToEx') {\n              // Handle Ex to Ex mapping.\n              this.processCommand(cm, command.toInput);\n              return;\n            }\n          }\n        }\n        if (!commandName) {\n          showConfirm(cm, 'Not an editor command \":' + input + '\"');\n          return;\n        }\n        try {\n          exCommands[commandName](cm, params);\n          // Possibly asynchronous commands (e.g. substitute, which might have a\n          // user confirmation), are responsible for calling the callback when\n          // done. All others have it taken care of for them here.\n          if ((!command || !command.possiblyAsync) && params.callback) {\n            params.callback();\n          }\n        } catch(e) {\n          showConfirm(cm, e);\n          throw e;\n        }\n      },\n      parseInput_: function(cm, inputStream, result) {\n        inputStream.eatWhile(':');\n        // Parse range.\n        if (inputStream.eat('%')) {\n          result.line = cm.firstLine();\n          result.lineEnd = cm.lastLine();\n        } else {\n          result.line = this.parseLineSpec_(cm, inputStream);\n          if (result.line !== undefined && inputStream.eat(',')) {\n            result.lineEnd = this.parseLineSpec_(cm, inputStream);\n          }\n        }\n\n        // Parse command name.\n        var commandMatch = inputStream.match(/^(\\w+|!!|@@|[!#&*<=>@~])/);\n        if (commandMatch) {\n          result.commandName = commandMatch[1];\n        } else {\n          result.commandName = inputStream.match(/.*/)[0];\n        }\n\n        return result;\n      },\n      parseLineSpec_: function(cm, inputStream) {\n        var numberMatch = inputStream.match(/^(\\d+)/);\n        if (numberMatch) {\n          // Absolute line number plus offset (N+M or N-M) is probably a typo,\n          // not something the user actually wanted. (NB: vim does allow this.)\n          return parseInt(numberMatch[1], 10) - 1;\n        }\n        switch (inputStream.next()) {\n          case '.':\n            return this.parseLineSpecOffset_(inputStream, cm.getCursor().line);\n          case '$':\n            return this.parseLineSpecOffset_(inputStream, cm.lastLine());\n          case '\\'':\n            var markName = inputStream.next();\n            var markPos = getMarkPos(cm, cm.state.vim, markName);\n            if (!markPos) throw new Error('Mark not set');\n            return this.parseLineSpecOffset_(inputStream, markPos.line);\n          case '-':\n          case '+':\n            inputStream.backUp(1);\n            // Offset is relative to current line if not otherwise specified.\n            return this.parseLineSpecOffset_(inputStream, cm.getCursor().line);\n          default:\n            inputStream.backUp(1);\n            return undefined;\n        }\n      },\n      parseLineSpecOffset_: function(inputStream, line) {\n        var offsetMatch = inputStream.match(/^([+-])?(\\d+)/);\n        if (offsetMatch) {\n          var offset = parseInt(offsetMatch[2], 10);\n          if (offsetMatch[1] == \"-\") {\n            line -= offset;\n          } else {\n            line += offset;\n          }\n        }\n        return line;\n      },\n      parseCommandArgs_: function(inputStream, params, command) {\n        if (inputStream.eol()) {\n          return;\n        }\n        params.argString = inputStream.match(/.*/)[0];\n        // Parse command-line arguments\n        var delim = command.argDelimiter || /\\s+/;\n        var args = trim(params.argString).split(delim);\n        if (args.length && args[0]) {\n          params.args = args;\n        }\n      },\n      matchCommand_: function(commandName) {\n        // Return the command in the command map that matches the shortest\n        // prefix of the passed in command name. The match is guaranteed to be\n        // unambiguous if the defaultExCommandMap's shortNames are set up\n        // correctly. (see @code{defaultExCommandMap}).\n        for (var i = commandName.length; i > 0; i--) {\n          var prefix = commandName.substring(0, i);\n          if (this.commandMap_[prefix]) {\n            var command = this.commandMap_[prefix];\n            if (command.name.indexOf(commandName) === 0) {\n              return command;\n            }\n          }\n        }\n        return null;\n      },\n      buildCommandMap_: function() {\n        this.commandMap_ = {};\n        for (var i = 0; i < defaultExCommandMap.length; i++) {\n          var command = defaultExCommandMap[i];\n          var key = command.shortName || command.name;\n          this.commandMap_[key] = command;\n        }\n      },\n      map: function(lhs, rhs, ctx) {\n        if (lhs != ':' && lhs.charAt(0) == ':') {\n          if (ctx) { throw Error('Mode not supported for ex mappings'); }\n          var commandName = lhs.substring(1);\n          if (rhs != ':' && rhs.charAt(0) == ':') {\n            // Ex to Ex mapping\n            this.commandMap_[commandName] = {\n              name: commandName,\n              type: 'exToEx',\n              toInput: rhs.substring(1),\n              user: true\n            };\n          } else {\n            // Ex to key mapping\n            this.commandMap_[commandName] = {\n              name: commandName,\n              type: 'exToKey',\n              toKeys: rhs,\n              user: true\n            };\n          }\n        } else {\n          if (rhs != ':' && rhs.charAt(0) == ':') {\n            // Key to Ex mapping.\n            var mapping = {\n              keys: lhs,\n              type: 'keyToEx',\n              exArgs: { input: rhs.substring(1) }\n            };\n            if (ctx) { mapping.context = ctx; }\n            defaultKeymap.unshift(mapping);\n          } else {\n            // Key to key mapping\n            var mapping = {\n              keys: lhs,\n              type: 'keyToKey',\n              toKeys: rhs\n            };\n            if (ctx) { mapping.context = ctx; }\n            defaultKeymap.unshift(mapping);\n          }\n        }\n      },\n      unmap: function(lhs, ctx) {\n        if (lhs != ':' && lhs.charAt(0) == ':') {\n          // Ex to Ex or Ex to key mapping\n          if (ctx) { throw Error('Mode not supported for ex mappings'); }\n          var commandName = lhs.substring(1);\n          if (this.commandMap_[commandName] && this.commandMap_[commandName].user) {\n            delete this.commandMap_[commandName];\n            return;\n          }\n        } else {\n          // Key to Ex or key to key mapping\n          var keys = lhs;\n          for (var i = 0; i < defaultKeymap.length; i++) {\n            if (keys == defaultKeymap[i].keys\n                && defaultKeymap[i].context === ctx) {\n              defaultKeymap.splice(i, 1);\n              return;\n            }\n          }\n        }\n        throw Error('No such mapping.');\n      }\n    };\n\n    var exCommands = {\n      colorscheme: function(cm, params) {\n        if (!params.args || params.args.length < 1) {\n          showConfirm(cm, cm.getOption('theme'));\n          return;\n        }\n        cm.setOption('theme', params.args[0]);\n      },\n      map: function(cm, params, ctx) {\n        var mapArgs = params.args;\n        if (!mapArgs || mapArgs.length < 2) {\n          if (cm) {\n            showConfirm(cm, 'Invalid mapping: ' + params.input);\n          }\n          return;\n        }\n        exCommandDispatcher.map(mapArgs[0], mapArgs[1], ctx);\n      },\n      imap: function(cm, params) { this.map(cm, params, 'insert'); },\n      nmap: function(cm, params) { this.map(cm, params, 'normal'); },\n      vmap: function(cm, params) { this.map(cm, params, 'visual'); },\n      unmap: function(cm, params, ctx) {\n        var mapArgs = params.args;\n        if (!mapArgs || mapArgs.length < 1) {\n          if (cm) {\n            showConfirm(cm, 'No such mapping: ' + params.input);\n          }\n          return;\n        }\n        exCommandDispatcher.unmap(mapArgs[0], ctx);\n      },\n      move: function(cm, params) {\n        commandDispatcher.processCommand(cm, cm.state.vim, {\n            type: 'motion',\n            motion: 'moveToLineOrEdgeOfDocument',\n            motionArgs: { forward: false, explicitRepeat: true,\n              linewise: true },\n            repeatOverride: params.line+1});\n      },\n      set: function(cm, params) {\n        var setArgs = params.args;\n        // Options passed through to the setOption/getOption calls. May be passed in by the\n        // local/global versions of the set command\n        var setCfg = params.setCfg || {};\n        if (!setArgs || setArgs.length < 1) {\n          if (cm) {\n            showConfirm(cm, 'Invalid mapping: ' + params.input);\n          }\n          return;\n        }\n        var expr = setArgs[0].split('=');\n        var optionName = expr[0];\n        var value = expr[1];\n        var forceGet = false;\n\n        if (optionName.charAt(optionName.length - 1) == '?') {\n          // If post-fixed with ?, then the set is actually a get.\n          if (value) { throw Error('Trailing characters: ' + params.argString); }\n          optionName = optionName.substring(0, optionName.length - 1);\n          forceGet = true;\n        }\n        if (value === undefined && optionName.substring(0, 2) == 'no') {\n          // To set boolean options to false, the option name is prefixed with\n          // 'no'.\n          optionName = optionName.substring(2);\n          value = false;\n        }\n\n        var optionIsBoolean = options[optionName] && options[optionName].type == 'boolean';\n        if (optionIsBoolean && value == undefined) {\n          // Calling set with a boolean option sets it to true.\n          value = true;\n        }\n        // If no value is provided, then we assume this is a get.\n        if (!optionIsBoolean && value === undefined || forceGet) {\n          var oldValue = getOption(optionName, cm, setCfg);\n          if (oldValue instanceof Error) {\n            showConfirm(cm, oldValue.message);\n          } else if (oldValue === true || oldValue === false) {\n            showConfirm(cm, ' ' + (oldValue ? '' : 'no') + optionName);\n          } else {\n            showConfirm(cm, '  ' + optionName + '=' + oldValue);\n          }\n        } else {\n          var setOptionReturn = setOption(optionName, value, cm, setCfg);\n          if (setOptionReturn instanceof Error) {\n            showConfirm(cm, setOptionReturn.message);\n          }\n        }\n      },\n      setlocal: function (cm, params) {\n        // setCfg is passed through to setOption\n        params.setCfg = {scope: 'local'};\n        this.set(cm, params);\n      },\n      setglobal: function (cm, params) {\n        // setCfg is passed through to setOption\n        params.setCfg = {scope: 'global'};\n        this.set(cm, params);\n      },\n      registers: function(cm, params) {\n        var regArgs = params.args;\n        var registers = vimGlobalState.registerController.registers;\n        var regInfo = '----------Registers----------<br><br>';\n        if (!regArgs) {\n          for (var registerName in registers) {\n            var text = registers[registerName].toString();\n            if (text.length) {\n              regInfo += '\"' + registerName + '    ' + text + '<br>';\n            }\n          }\n        } else {\n          var registerName;\n          regArgs = regArgs.join('');\n          for (var i = 0; i < regArgs.length; i++) {\n            registerName = regArgs.charAt(i);\n            if (!vimGlobalState.registerController.isValidRegister(registerName)) {\n              continue;\n            }\n            var register = registers[registerName] || new Register();\n            regInfo += '\"' + registerName + '    ' + register.toString() + '<br>';\n          }\n        }\n        showConfirm(cm, regInfo);\n      },\n      sort: function(cm, params) {\n        var reverse, ignoreCase, unique, number, pattern;\n        function parseArgs() {\n          if (params.argString) {\n            var args = new CodeMirror.StringStream(params.argString);\n            if (args.eat('!')) { reverse = true; }\n            if (args.eol()) { return; }\n            if (!args.eatSpace()) { return 'Invalid arguments'; }\n            var opts = args.match(/([dinuox]+)?\\s*(\\/.+\\/)?\\s*/);\n            if (!opts && !args.eol()) { return 'Invalid arguments'; }\n            if (opts[1]) {\n              ignoreCase = opts[1].indexOf('i') != -1;\n              unique = opts[1].indexOf('u') != -1;\n              var decimal = opts[1].indexOf('d') != -1 || opts[1].indexOf('n') != -1 && 1;\n              var hex = opts[1].indexOf('x') != -1 && 1;\n              var octal = opts[1].indexOf('o') != -1 && 1;\n              if (decimal + hex + octal > 1) { return 'Invalid arguments'; }\n              number = decimal && 'decimal' || hex && 'hex' || octal && 'octal';\n            }\n            if (opts[2]) {\n              pattern = new RegExp(opts[2].substr(1, opts[2].length - 2), ignoreCase ? 'i' : '');\n            }\n          }\n        }\n        var err = parseArgs();\n        if (err) {\n          showConfirm(cm, err + ': ' + params.argString);\n          return;\n        }\n        var lineStart = params.line || cm.firstLine();\n        var lineEnd = params.lineEnd || params.line || cm.lastLine();\n        if (lineStart == lineEnd) { return; }\n        var curStart = Pos(lineStart, 0);\n        var curEnd = Pos(lineEnd, lineLength(cm, lineEnd));\n        var text = cm.getRange(curStart, curEnd).split('\\n');\n        var numberRegex = pattern ? pattern :\n           (number == 'decimal') ? /(-?)([\\d]+)/ :\n           (number == 'hex') ? /(-?)(?:0x)?([0-9a-f]+)/i :\n           (number == 'octal') ? /([0-7]+)/ : null;\n        var radix = (number == 'decimal') ? 10 : (number == 'hex') ? 16 : (number == 'octal') ? 8 : null;\n        var numPart = [], textPart = [];\n        if (number || pattern) {\n          for (var i = 0; i < text.length; i++) {\n            var matchPart = pattern ? text[i].match(pattern) : null;\n            if (matchPart && matchPart[0] != '') {\n              numPart.push(matchPart);\n            } else if (!pattern && numberRegex.exec(text[i])) {\n              numPart.push(text[i]);\n            } else {\n              textPart.push(text[i]);\n            }\n          }\n        } else {\n          textPart = text;\n        }\n        function compareFn(a, b) {\n          if (reverse) { var tmp; tmp = a; a = b; b = tmp; }\n          if (ignoreCase) { a = a.toLowerCase(); b = b.toLowerCase(); }\n          var anum = number && numberRegex.exec(a);\n          var bnum = number && numberRegex.exec(b);\n          if (!anum) { return a < b ? -1 : 1; }\n          anum = parseInt((anum[1] + anum[2]).toLowerCase(), radix);\n          bnum = parseInt((bnum[1] + bnum[2]).toLowerCase(), radix);\n          return anum - bnum;\n        }\n        function comparePatternFn(a, b) {\n          if (reverse) { var tmp; tmp = a; a = b; b = tmp; }\n          if (ignoreCase) { a[0] = a[0].toLowerCase(); b[0] = b[0].toLowerCase(); }\n          return (a[0] < b[0]) ? -1 : 1;\n        }\n        numPart.sort(pattern ? comparePatternFn : compareFn);\n        if (pattern) {\n          for (var i = 0; i < numPart.length; i++) {\n            numPart[i] = numPart[i].input;\n          }\n        } else if (!number) { textPart.sort(compareFn); }\n        text = (!reverse) ? textPart.concat(numPart) : numPart.concat(textPart);\n        if (unique) { // Remove duplicate lines\n          var textOld = text;\n          var lastLine;\n          text = [];\n          for (var i = 0; i < textOld.length; i++) {\n            if (textOld[i] != lastLine) {\n              text.push(textOld[i]);\n            }\n            lastLine = textOld[i];\n          }\n        }\n        cm.replaceRange(text.join('\\n'), curStart, curEnd);\n      },\n      global: function(cm, params) {\n        // a global command is of the form\n        // :[range]g/pattern/[cmd]\n        // argString holds the string /pattern/[cmd]\n        var argString = params.argString;\n        if (!argString) {\n          showConfirm(cm, 'Regular Expression missing from global');\n          return;\n        }\n        // range is specified here\n        var lineStart = (params.line !== undefined) ? params.line : cm.firstLine();\n        var lineEnd = params.lineEnd || params.line || cm.lastLine();\n        // get the tokens from argString\n        var tokens = splitBySlash(argString);\n        var regexPart = argString, cmd;\n        if (tokens.length) {\n          regexPart = tokens[0];\n          cmd = tokens.slice(1, tokens.length).join('/');\n        }\n        if (regexPart) {\n          // If regex part is empty, then use the previous query. Otherwise\n          // use the regex part as the new query.\n          try {\n           updateSearchQuery(cm, regexPart, true /** ignoreCase */,\n             true /** smartCase */);\n          } catch (e) {\n           showConfirm(cm, 'Invalid regex: ' + regexPart);\n           return;\n          }\n        }\n        // now that we have the regexPart, search for regex matches in the\n        // specified range of lines\n        var query = getSearchState(cm).getQuery();\n        var matchedLines = [], content = '';\n        for (var i = lineStart; i <= lineEnd; i++) {\n          var matched = query.test(cm.getLine(i));\n          if (matched) {\n            matchedLines.push(i+1);\n            content+= cm.getLine(i) + '<br>';\n          }\n        }\n        // if there is no [cmd], just display the list of matched lines\n        if (!cmd) {\n          showConfirm(cm, content);\n          return;\n        }\n        var index = 0;\n        var nextCommand = function() {\n          if (index < matchedLines.length) {\n            var command = matchedLines[index] + cmd;\n            exCommandDispatcher.processCommand(cm, command, {\n              callback: nextCommand\n            });\n          }\n          index++;\n        };\n        nextCommand();\n      },\n      substitute: function(cm, params) {\n        if (!cm.getSearchCursor) {\n          throw new Error('Search feature not available. Requires searchcursor.js or ' +\n              'any other getSearchCursor implementation.');\n        }\n        var argString = params.argString;\n        var tokens = argString ? splitBySeparator(argString, argString[0]) : [];\n        var regexPart, replacePart = '', trailing, flagsPart, count;\n        var confirm = false; // Whether to confirm each replace.\n        var global = false; // True to replace all instances on a line, false to replace only 1.\n        if (tokens.length) {\n          regexPart = tokens[0];\n          if (getOption('pcre') && regexPart !== '') {\n              regexPart = new RegExp(regexPart).source; //normalize not escaped characters\n          }\n          replacePart = tokens[1];\n          if (regexPart && regexPart[regexPart.length - 1] === '$') {\n            regexPart = regexPart.slice(0, regexPart.length - 1) + '\\\\n';\n            replacePart = replacePart ? replacePart + '\\n' : '\\n';\n          }\n          if (replacePart !== undefined) {\n            if (getOption('pcre')) {\n              replacePart = unescapeRegexReplace(replacePart.replace(/([^\\\\])&/g,\"$1$$&\"));\n            } else {\n              replacePart = translateRegexReplace(replacePart);\n            }\n            vimGlobalState.lastSubstituteReplacePart = replacePart;\n          }\n          trailing = tokens[2] ? tokens[2].split(' ') : [];\n        } else {\n          // either the argString is empty or its of the form ' hello/world'\n          // actually splitBySlash returns a list of tokens\n          // only if the string starts with a '/'\n          if (argString && argString.length) {\n            showConfirm(cm, 'Substitutions should be of the form ' +\n                ':s/pattern/replace/');\n            return;\n          }\n        }\n        // After the 3rd slash, we can have flags followed by a space followed\n        // by count.\n        if (trailing) {\n          flagsPart = trailing[0];\n          count = parseInt(trailing[1]);\n          if (flagsPart) {\n            if (flagsPart.indexOf('c') != -1) {\n              confirm = true;\n              flagsPart.replace('c', '');\n            }\n            if (flagsPart.indexOf('g') != -1) {\n              global = true;\n              flagsPart.replace('g', '');\n            }\n            if (getOption('pcre')) {\n               regexPart = regexPart + '/' + flagsPart;\n            } else {\n               regexPart = regexPart.replace(/\\//g, \"\\\\/\") + '/' + flagsPart;\n            }\n          }\n        }\n        if (regexPart) {\n          // If regex part is empty, then use the previous query. Otherwise use\n          // the regex part as the new query.\n          try {\n            updateSearchQuery(cm, regexPart, true /** ignoreCase */,\n              true /** smartCase */);\n          } catch (e) {\n            showConfirm(cm, 'Invalid regex: ' + regexPart);\n            return;\n          }\n        }\n        replacePart = replacePart || vimGlobalState.lastSubstituteReplacePart;\n        if (replacePart === undefined) {\n          showConfirm(cm, 'No previous substitute regular expression');\n          return;\n        }\n        var state = getSearchState(cm);\n        var query = state.getQuery();\n        var lineStart = (params.line !== undefined) ? params.line : cm.getCursor().line;\n        var lineEnd = params.lineEnd || lineStart;\n        if (lineStart == cm.firstLine() && lineEnd == cm.lastLine()) {\n          lineEnd = Infinity;\n        }\n        if (count) {\n          lineStart = lineEnd;\n          lineEnd = lineStart + count - 1;\n        }\n        var startPos = clipCursorToContent(cm, Pos(lineStart, 0));\n        var cursor = cm.getSearchCursor(query, startPos);\n        doReplace(cm, confirm, global, lineStart, lineEnd, cursor, query, replacePart, params.callback);\n      },\n      redo: CodeMirror.commands.redo,\n      undo: CodeMirror.commands.undo,\n      write: function(cm) {\n        if (CodeMirror.commands.save) {\n          // If a save command is defined, call it.\n          CodeMirror.commands.save(cm);\n        } else if (cm.save) {\n          // Saves to text area if no save command is defined and cm.save() is available.\n          cm.save();\n        }\n      },\n      nohlsearch: function(cm) {\n        clearSearchHighlight(cm);\n      },\n      yank: function (cm) {\n        var cur = copyCursor(cm.getCursor());\n        var line = cur.line;\n        var lineText = cm.getLine(line);\n        vimGlobalState.registerController.pushText(\n          '0', 'yank', lineText, true, true);\n      },\n      delmarks: function(cm, params) {\n        if (!params.argString || !trim(params.argString)) {\n          showConfirm(cm, 'Argument required');\n          return;\n        }\n\n        var state = cm.state.vim;\n        var stream = new CodeMirror.StringStream(trim(params.argString));\n        while (!stream.eol()) {\n          stream.eatSpace();\n\n          // Record the streams position at the beginning of the loop for use\n          // in error messages.\n          var count = stream.pos;\n\n          if (!stream.match(/[a-zA-Z]/, false)) {\n            showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));\n            return;\n          }\n\n          var sym = stream.next();\n          // Check if this symbol is part of a range\n          if (stream.match('-', true)) {\n            // This symbol is part of a range.\n\n            // The range must terminate at an alphabetic character.\n            if (!stream.match(/[a-zA-Z]/, false)) {\n              showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));\n              return;\n            }\n\n            var startMark = sym;\n            var finishMark = stream.next();\n            // The range must terminate at an alphabetic character which\n            // shares the same case as the start of the range.\n            if (isLowerCase(startMark) && isLowerCase(finishMark) ||\n                isUpperCase(startMark) && isUpperCase(finishMark)) {\n              var start = startMark.charCodeAt(0);\n              var finish = finishMark.charCodeAt(0);\n              if (start >= finish) {\n                showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count));\n                return;\n              }\n\n              // Because marks are always ASCII values, and we have\n              // determined that they are the same case, we can use\n              // their char codes to iterate through the defined range.\n              for (var j = 0; j <= finish - start; j++) {\n                var mark = String.fromCharCode(start + j);\n                delete state.marks[mark];\n              }\n            } else {\n              showConfirm(cm, 'Invalid argument: ' + startMark + '-');\n              return;\n            }\n          } else {\n            // This symbol is a valid mark, and is not part of a range.\n            delete state.marks[sym];\n          }\n        }\n      }\n    };\n\n    var exCommandDispatcher = new ExCommandDispatcher();\n\n    /**\n    * @param {CodeMirror} cm CodeMirror instance we are in.\n    * @param {boolean} confirm Whether to confirm each replace.\n    * @param {Cursor} lineStart Line to start replacing from.\n    * @param {Cursor} lineEnd Line to stop replacing at.\n    * @param {RegExp} query Query for performing matches with.\n    * @param {string} replaceWith Text to replace matches with. May contain $1,\n    *     $2, etc for replacing captured groups using Javascript replace.\n    * @param {function()} callback A callback for when the replace is done.\n    */\n    function doReplace(cm, confirm, global, lineStart, lineEnd, searchCursor, query,\n        replaceWith, callback) {\n      // Set up all the functions.\n      cm.state.vim.exMode = true;\n      var done = false;\n      var lastPos = searchCursor.from();\n      function replaceAll() {\n        cm.operation(function() {\n          while (!done) {\n            replace();\n            next();\n          }\n          stop();\n        });\n      }\n      function replace() {\n        var text = cm.getRange(searchCursor.from(), searchCursor.to());\n        var newText = text.replace(query, replaceWith);\n        searchCursor.replace(newText);\n      }\n      function next() {\n        // The below only loops to skip over multiple occurrences on the same\n        // line when 'global' is not true.\n        while(searchCursor.findNext() &&\n              isInRange(searchCursor.from(), lineStart, lineEnd)) {\n          if (!global && lastPos && searchCursor.from().line == lastPos.line) {\n            continue;\n          }\n          cm.scrollIntoView(searchCursor.from(), 30);\n          cm.setSelection(searchCursor.from(), searchCursor.to());\n          lastPos = searchCursor.from();\n          done = false;\n          return;\n        }\n        done = true;\n      }\n      function stop(close) {\n        if (close) { close(); }\n        cm.focus();\n        if (lastPos) {\n          cm.setCursor(lastPos);\n          var vim = cm.state.vim;\n          vim.exMode = false;\n          vim.lastHPos = vim.lastHSPos = lastPos.ch;\n        }\n        if (callback) { callback(); }\n      }\n      function onPromptKeyDown(e, _value, close) {\n        // Swallow all keys.\n        CodeMirror.e_stop(e);\n        var keyName = CodeMirror.keyName(e);\n        switch (keyName) {\n          case 'Y':\n            replace(); next(); break;\n          case 'N':\n            next(); break;\n          case 'A':\n            // replaceAll contains a call to close of its own. We don't want it\n            // to fire too early or multiple times.\n            var savedCallback = callback;\n            callback = undefined;\n            cm.operation(replaceAll);\n            callback = savedCallback;\n            break;\n          case 'L':\n            replace();\n            // fall through and exit.\n          case 'Q':\n          case 'Esc':\n          case 'Ctrl-C':\n          case 'Ctrl-[':\n            stop(close);\n            break;\n        }\n        if (done) { stop(close); }\n        return true;\n      }\n\n      // Actually do replace.\n      next();\n      if (done) {\n        showConfirm(cm, 'No matches for ' + query.source);\n        return;\n      }\n      if (!confirm) {\n        replaceAll();\n        if (callback) { callback(); }\n        return;\n      }\n      showPrompt(cm, {\n        prefix: 'replace with <strong>' + replaceWith + '</strong> (y/n/a/q/l)',\n        onKeyDown: onPromptKeyDown\n      });\n    }\n\n    CodeMirror.keyMap.vim = {\n      attach: attachVimMap,\n      detach: detachVimMap,\n      call: cmKey\n    };\n\n    function exitInsertMode(cm) {\n      var vim = cm.state.vim;\n      var macroModeState = vimGlobalState.macroModeState;\n      var insertModeChangeRegister = vimGlobalState.registerController.getRegister('.');\n      var isPlaying = macroModeState.isPlaying;\n      var lastChange = macroModeState.lastInsertModeChanges;\n      if (!isPlaying) {\n        cm.off('change', onChange);\n        CodeMirror.off(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown);\n      }\n      if (!isPlaying && vim.insertModeRepeat > 1) {\n        // Perform insert mode repeat for commands like 3,a and 3,o.\n        repeatLastEdit(cm, vim, vim.insertModeRepeat - 1,\n            true /** repeatForInsert */);\n        vim.lastEditInputState.repeatOverride = vim.insertModeRepeat;\n      }\n      delete vim.insertModeRepeat;\n      vim.insertMode = false;\n      cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1);\n      cm.setOption('keyMap', 'vim');\n      cm.setOption('disableInput', true);\n      cm.toggleOverwrite(false); // exit replace mode if we were in it.\n      // update the \". register before exiting insert mode\n      insertModeChangeRegister.setText(lastChange.changes.join(''));\n      CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"normal\"});\n      if (macroModeState.isRecording) {\n        logInsertModeChange(macroModeState);\n      }\n    }\n\n    function _mapCommand(command) {\n      defaultKeymap.unshift(command);\n    }\n\n    function mapCommand(keys, type, name, args, extra) {\n      var command = {keys: keys, type: type};\n      command[type] = name;\n      command[type + \"Args\"] = args;\n      for (var key in extra)\n        command[key] = extra[key];\n      _mapCommand(command);\n    }\n\n    // The timeout in milliseconds for the two-character ESC keymap should be\n    // adjusted according to your typing speed to prevent false positives.\n    defineOption('insertModeEscKeysTimeout', 200, 'number');\n\n    CodeMirror.keyMap['vim-insert'] = {\n      // TODO: override navigation keys so that Esc will cancel automatic\n      // indentation from o, O, i_<CR>\n      fallthrough: ['default'],\n      attach: attachVimMap,\n      detach: detachVimMap,\n      call: cmKey\n    };\n\n    CodeMirror.keyMap['vim-replace'] = {\n      'Backspace': 'goCharLeft',\n      fallthrough: ['vim-insert'],\n      attach: attachVimMap,\n      detach: detachVimMap,\n      call: cmKey\n    };\n\n    function executeMacroRegister(cm, vim, macroModeState, registerName) {\n      var register = vimGlobalState.registerController.getRegister(registerName);\n      if (registerName == ':') {\n        // Read-only register containing last Ex command.\n        if (register.keyBuffer[0]) {\n          exCommandDispatcher.processCommand(cm, register.keyBuffer[0]);\n        }\n        macroModeState.isPlaying = false;\n        return;\n      }\n      var keyBuffer = register.keyBuffer;\n      var imc = 0;\n      macroModeState.isPlaying = true;\n      macroModeState.replaySearchQueries = register.searchQueries.slice(0);\n      for (var i = 0; i < keyBuffer.length; i++) {\n        var text = keyBuffer[i];\n        var match, key;\n        while (text) {\n          // Pull off one command key, which is either a single character\n          // or a special sequence wrapped in '<' and '>', e.g. '<Space>'.\n          match = (/<\\w+-.+?>|<\\w+>|./).exec(text);\n          key = match[0];\n          text = text.substring(match.index + key.length);\n          CodeMirror.Vim.handleKey(cm, key, 'macro');\n          if (vim.insertMode) {\n            var changes = register.insertModeChanges[imc++].changes;\n            vimGlobalState.macroModeState.lastInsertModeChanges.changes =\n                changes;\n            repeatInsertModeChanges(cm, changes, 1);\n            exitInsertMode(cm);\n          }\n        }\n      }\n      macroModeState.isPlaying = false;\n    }\n\n    function logKey(macroModeState, key) {\n      if (macroModeState.isPlaying) { return; }\n      var registerName = macroModeState.latestRegister;\n      var register = vimGlobalState.registerController.getRegister(registerName);\n      if (register) {\n        register.pushText(key);\n      }\n    }\n\n    function logInsertModeChange(macroModeState) {\n      if (macroModeState.isPlaying) { return; }\n      var registerName = macroModeState.latestRegister;\n      var register = vimGlobalState.registerController.getRegister(registerName);\n      if (register && register.pushInsertModeChanges) {\n        register.pushInsertModeChanges(macroModeState.lastInsertModeChanges);\n      }\n    }\n\n    function logSearchQuery(macroModeState, query) {\n      if (macroModeState.isPlaying) { return; }\n      var registerName = macroModeState.latestRegister;\n      var register = vimGlobalState.registerController.getRegister(registerName);\n      if (register && register.pushSearchQuery) {\n        register.pushSearchQuery(query);\n      }\n    }\n\n    /**\n     * Listens for changes made in insert mode.\n     * Should only be active in insert mode.\n     */\n    function onChange(cm, changeObj) {\n      var macroModeState = vimGlobalState.macroModeState;\n      var lastChange = macroModeState.lastInsertModeChanges;\n      if (!macroModeState.isPlaying) {\n        while(changeObj) {\n          lastChange.expectCursorActivityForChange = true;\n          if (lastChange.ignoreCount > 1) {\n            lastChange.ignoreCount--;\n          } else if (changeObj.origin == '+input' || changeObj.origin == 'paste'\n              || changeObj.origin === undefined /* only in testing */) {\n            var selectionCount = cm.listSelections().length;\n            if (selectionCount > 1)\n              lastChange.ignoreCount = selectionCount;\n            var text = changeObj.text.join('\\n');\n            if (lastChange.maybeReset) {\n              lastChange.changes = [];\n              lastChange.maybeReset = false;\n            }\n            if (text) {\n              if (cm.state.overwrite && !/\\n/.test(text)) {\n                lastChange.changes.push([text]);\n              } else {\n                lastChange.changes.push(text);\n              }\n            }\n          }\n          // Change objects may be chained with next.\n          changeObj = changeObj.next;\n        }\n      }\n    }\n\n    /**\n    * Listens for any kind of cursor activity on CodeMirror.\n    */\n    function onCursorActivity(cm) {\n      var vim = cm.state.vim;\n      if (vim.insertMode) {\n        // Tracking cursor activity in insert mode (for macro support).\n        var macroModeState = vimGlobalState.macroModeState;\n        if (macroModeState.isPlaying) { return; }\n        var lastChange = macroModeState.lastInsertModeChanges;\n        if (lastChange.expectCursorActivityForChange) {\n          lastChange.expectCursorActivityForChange = false;\n        } else {\n          // Cursor moved outside the context of an edit. Reset the change.\n          lastChange.maybeReset = true;\n        }\n      } else if (!cm.curOp.isVimOp) {\n        handleExternalSelection(cm, vim);\n      }\n      if (vim.visualMode) {\n        updateFakeCursor(cm);\n      }\n    }\n    /**\n     * Keeps track of a fake cursor to support visual mode cursor behavior.\n     */\n    function updateFakeCursor(cm) {\n      var className = 'cm-animate-fat-cursor';\n      var vim = cm.state.vim;\n      var from = clipCursorToContent(cm, copyCursor(vim.sel.head));\n      var to = offsetCursor(from, 0, 1);\n      clearFakeCursor(vim);\n      // In visual mode, the cursor may be positioned over EOL.\n      if (from.ch == cm.getLine(from.line).length) {\n        var widget = document.createElement(\"span\");\n        widget.textContent = \"\\u00a0\";\n        widget.className = className;\n        vim.fakeCursorBookmark = cm.setBookmark(from, {widget: widget});\n      } else {\n        vim.fakeCursor = cm.markText(from, to, {className: className});\n      }\n    }\n    function clearFakeCursor(vim) {\n      if (vim.fakeCursor) {\n        vim.fakeCursor.clear();\n        vim.fakeCursor = null;\n      }\n      if (vim.fakeCursorBookmark) {\n        vim.fakeCursorBookmark.clear();\n        vim.fakeCursorBookmark = null;\n      }\n    }\n    function handleExternalSelection(cm, vim) {\n      var anchor = cm.getCursor('anchor');\n      var head = cm.getCursor('head');\n      // Enter or exit visual mode to match mouse selection.\n      if (vim.visualMode && !cm.somethingSelected()) {\n        exitVisualMode(cm, false);\n      } else if (!vim.visualMode && !vim.insertMode && cm.somethingSelected()) {\n        vim.visualMode = true;\n        vim.visualLine = false;\n        CodeMirror.signal(cm, \"vim-mode-change\", {mode: \"visual\"});\n      }\n      if (vim.visualMode) {\n        // Bind CodeMirror selection model to vim selection model.\n        // Mouse selections are considered visual characterwise.\n        var headOffset = !cursorIsBefore(head, anchor) ? -1 : 0;\n        var anchorOffset = cursorIsBefore(head, anchor) ? -1 : 0;\n        head = offsetCursor(head, 0, headOffset);\n        anchor = offsetCursor(anchor, 0, anchorOffset);\n        vim.sel = {\n          anchor: anchor,\n          head: head\n        };\n        updateMark(cm, vim, '<', cursorMin(head, anchor));\n        updateMark(cm, vim, '>', cursorMax(head, anchor));\n      } else if (!vim.insertMode) {\n        // Reset lastHPos if selection was modified by something outside of vim mode e.g. by mouse.\n        vim.lastHPos = cm.getCursor().ch;\n      }\n    }\n\n    /** Wrapper for special keys pressed in insert mode */\n    function InsertModeKey(keyName) {\n      this.keyName = keyName;\n    }\n\n    /**\n    * Handles raw key down events from the text area.\n    * - Should only be active in insert mode.\n    * - For recording deletes in insert mode.\n    */\n    function onKeyEventTargetKeyDown(e) {\n      var macroModeState = vimGlobalState.macroModeState;\n      var lastChange = macroModeState.lastInsertModeChanges;\n      var keyName = CodeMirror.keyName(e);\n      if (!keyName) { return; }\n      function onKeyFound() {\n        if (lastChange.maybeReset) {\n          lastChange.changes = [];\n          lastChange.maybeReset = false;\n        }\n        lastChange.changes.push(new InsertModeKey(keyName));\n        return true;\n      }\n      if (keyName.indexOf('Delete') != -1 || keyName.indexOf('Backspace') != -1) {\n        CodeMirror.lookupKey(keyName, 'vim-insert', onKeyFound);\n      }\n    }\n\n    /**\n     * Repeats the last edit, which includes exactly 1 command and at most 1\n     * insert. Operator and motion commands are read from lastEditInputState,\n     * while action commands are read from lastEditActionCommand.\n     *\n     * If repeatForInsert is true, then the function was called by\n     * exitInsertMode to repeat the insert mode changes the user just made. The\n     * corresponding enterInsertMode call was made with a count.\n     */\n    function repeatLastEdit(cm, vim, repeat, repeatForInsert) {\n      var macroModeState = vimGlobalState.macroModeState;\n      macroModeState.isPlaying = true;\n      var isAction = !!vim.lastEditActionCommand;\n      var cachedInputState = vim.inputState;\n      function repeatCommand() {\n        if (isAction) {\n          commandDispatcher.processAction(cm, vim, vim.lastEditActionCommand);\n        } else {\n          commandDispatcher.evalInput(cm, vim);\n        }\n      }\n      function repeatInsert(repeat) {\n        if (macroModeState.lastInsertModeChanges.changes.length > 0) {\n          // For some reason, repeat cw in desktop VIM does not repeat\n          // insert mode changes. Will conform to that behavior.\n          repeat = !vim.lastEditActionCommand ? 1 : repeat;\n          var changeObject = macroModeState.lastInsertModeChanges;\n          repeatInsertModeChanges(cm, changeObject.changes, repeat);\n        }\n      }\n      vim.inputState = vim.lastEditInputState;\n      if (isAction && vim.lastEditActionCommand.interlaceInsertRepeat) {\n        // o and O repeat have to be interlaced with insert repeats so that the\n        // insertions appear on separate lines instead of the last line.\n        for (var i = 0; i < repeat; i++) {\n          repeatCommand();\n          repeatInsert(1);\n        }\n      } else {\n        if (!repeatForInsert) {\n          // Hack to get the cursor to end up at the right place. If I is\n          // repeated in insert mode repeat, cursor will be 1 insert\n          // change set left of where it should be.\n          repeatCommand();\n        }\n        repeatInsert(repeat);\n      }\n      vim.inputState = cachedInputState;\n      if (vim.insertMode && !repeatForInsert) {\n        // Don't exit insert mode twice. If repeatForInsert is set, then we\n        // were called by an exitInsertMode call lower on the stack.\n        exitInsertMode(cm);\n      }\n      macroModeState.isPlaying = false;\n    }\n\n    function repeatInsertModeChanges(cm, changes, repeat) {\n      function keyHandler(binding) {\n        if (typeof binding == 'string') {\n          CodeMirror.commands[binding](cm);\n        } else {\n          binding(cm);\n        }\n        return true;\n      }\n      var head = cm.getCursor('head');\n      var visualBlock = vimGlobalState.macroModeState.lastInsertModeChanges.visualBlock;\n      if (visualBlock) {\n        // Set up block selection again for repeating the changes.\n        selectForInsert(cm, head, visualBlock + 1);\n        repeat = cm.listSelections().length;\n        cm.setCursor(head);\n      }\n      for (var i = 0; i < repeat; i++) {\n        if (visualBlock) {\n          cm.setCursor(offsetCursor(head, i, 0));\n        }\n        for (var j = 0; j < changes.length; j++) {\n          var change = changes[j];\n          if (change instanceof InsertModeKey) {\n            CodeMirror.lookupKey(change.keyName, 'vim-insert', keyHandler);\n          } else if (typeof change == \"string\") {\n            var cur = cm.getCursor();\n            cm.replaceRange(change, cur, cur);\n          } else {\n            var start = cm.getCursor();\n            var end = offsetCursor(start, 0, change[0].length);\n            cm.replaceRange(change[0], start, end);\n          }\n        }\n      }\n      if (visualBlock) {\n        cm.setCursor(offsetCursor(head, 0, 1));\n      }\n    }\n\n    resetVimGlobalState();\n    return vimApi;\n  };\n  // Initialize Vim and make it available as an API.\n  CodeMirror.Vim = Vim();\n});\n"]}