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// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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// Swift mode created by Michael Kaminsky https://github.com/mkaminsky11

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(function(mod) {

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if (typeof exports == "object" && typeof module == "object")

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mod(require("../../lib/codemirror"))

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else if (typeof define == "function" && define.amd)

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define(["../../lib/codemirror"], mod)

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else

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mod(CodeMirror)

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})(function(CodeMirror) {

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"use strict"

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function wordSet(words) {

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var set = {}

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for (var i = 0; i < words.length; i++) set[words[i]] = true

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return set

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}

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var keywords = wordSet(["var","let","class","deinit","enum","extension","func","import","init","protocol",

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"static","struct","subscript","typealias","as","dynamicType","is","new","super",

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"self","Self","Type","__COLUMN__","__FILE__","__FUNCTION__","__LINE__","break","case",

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"continue","default","do","else","fallthrough","if","in","for","return","switch",

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"where","while","associativity","didSet","get","infix","inout","left","mutating",

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"none","nonmutating","operator","override","postfix","precedence","prefix","right",

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"set","unowned","weak","willSet"])

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var definingKeywords = wordSet(["var","let","class","enum","extension","func","import","protocol","struct",

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"typealias","dynamicType","for"])

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var atoms = wordSet(["Infinity","NaN","undefined","null","true","false","on","off","yes","no","nil","null",

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"this","super"])

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var types = wordSet(["String","bool","int","string","double","Double","Int","Float","float","public",

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"private","extension"])

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var operators = "+-/*%=|&<>#"

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var punc = ";,.(){}[]"

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var number = /^-?(?:(?:[\d_]+\.[_\d]*|\.[_\d]+|0o[0-7_\.]+|0b[01_\.]+)(?:e-?[\d_]+)?|0x[\d_a-f\.]+(?:p-?[\d_]+)?)/i

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var identifier = /^[_A-Za-z$][_A-Za-z$0-9]*/

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var property = /^[@\.][_A-Za-z$][_A-Za-z$0-9]*/

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var regexp = /^\/(?!\s)(?:\/\/)?(?:\\.|[^\/])+\//

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function tokenBase(stream, state, prev) {

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if (stream.sol()) state.indented = stream.indentation()

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if (stream.eatSpace()) return null

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var ch = stream.peek()

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if (ch == "/") {

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if (stream.match("//")) {

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stream.skipToEnd()

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return "comment"

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}

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if (stream.match("/*")) {

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state.tokenize.push(tokenComment)

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return tokenComment(stream, state)

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}

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if (stream.match(regexp)) return "string-2"

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}

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if (operators.indexOf(ch) > -1) {

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stream.next()

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return "operator"

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}

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if (punc.indexOf(ch) > -1) {

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stream.next()

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stream.match("..")

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return "punctuation"

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}

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if (ch == '"' || ch == "'") {

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stream.next()

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var tokenize = tokenString(ch)

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state.tokenize.push(tokenize)

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return tokenize(stream, state)

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}

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if (stream.match(number)) return "number"

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if (stream.match(property)) return "property"

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if (stream.match(identifier)) {

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var ident = stream.current()

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if (keywords.hasOwnProperty(ident)) {

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if (definingKeywords.hasOwnProperty(ident))

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state.prev = "define"

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return "keyword"

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}

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if (types.hasOwnProperty(ident)) return "variable-2"

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if (atoms.hasOwnProperty(ident)) return "atom"

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if (prev == "define") return "def"

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return "variable"

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}

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stream.next()

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return null

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}

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function tokenUntilClosingParen() {

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var depth = 0

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return function(stream, state, prev) {

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var inner = tokenBase(stream, state, prev)

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if (inner == "punctuation") {

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if (stream.current() == "(") ++depth

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else if (stream.current() == ")") {

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if (depth == 0) {

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stream.backUp(1)

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state.tokenize.pop()

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return state.tokenize[state.tokenize.length - 1](stream, state)

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}

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else --depth

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}

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}

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return inner

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}

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}

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function tokenString(quote) {

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return function(stream, state) {

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var ch, escaped = false

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while (ch = stream.next()) {

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if (escaped) {

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if (ch == "(") {

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state.tokenize.push(tokenUntilClosingParen())

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return "string"

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}

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escaped = false

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} else if (ch == quote) {

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break

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} else {

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escaped = ch == "\\"

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}

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}

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state.tokenize.pop()

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return "string"

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}

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}

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function tokenComment(stream, state) {

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stream.match(/^(?:[^*]|\*(?!\/))*/)

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if (stream.match("*/")) state.tokenize.pop()

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return "comment"

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}

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function Context(prev, align, indented) {

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this.prev = prev

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this.align = align

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this.indented = indented

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}

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function pushContext(state, stream) {

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var align = stream.match(/^\s*($|\/[\/\*])/, false) ? null : stream.column() + 1

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state.context = new Context(state.context, align, state.indented)

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}

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function popContext(state) {

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if (state.context) {

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state.indented = state.context.indented

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state.context = state.context.prev

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}

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}

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CodeMirror.defineMode("swift", function(config) {

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return {

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startState: function() {

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return {

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prev: null,

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context: null,

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indented: 0,

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tokenize: []

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}

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token: function(stream, state) {

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var prev = state.prev

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state.prev = null

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var tokenize = state.tokenize[state.tokenize.length - 1] || tokenBase

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var style = tokenize(stream, state, prev)

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if (!style || style == "comment") state.prev = prev

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else if (!state.prev) state.prev = style

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if (style == "punctuation") {

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var bracket = /[$\[\{]|([\]$\}])/.exec(stream.current())

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if (bracket) (bracket[1] ? popContext : pushContext)(state, stream)

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}

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return style

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indent: function(state, textAfter) {

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var cx = state.context

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if (!cx) return 0

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var closing = /^[\]\}\)]/.test(textAfter)

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if (cx.align != null) return cx.align - (closing ? 1 : 0)

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return cx.indented + (closing ? 0 : config.indentUnit)

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electricInput: /^\s*[\)\}\]]$/,

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lineComment: "//",

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blockCommentStart: "/*",

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blockCommentEnd: "*/"

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}

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})

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CodeMirror.defineMIME("text/x-swift","swift")

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});

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