HackMD/public/vendor/codemirror/mode/swift/swift.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
// Swift mode created by Michael Kaminsky https://github.com/mkaminsky11
(function(mod) {
if (typeof exports == "object" && typeof module == "object")
mod(require("../../lib/codemirror"))
else if (typeof define == "function" && define.amd)
define(["../../lib/codemirror"], mod)
else
mod(CodeMirror)
})(function(CodeMirror) {
"use strict"
function wordSet(words) {
var set = {}
for (var i = 0; i < words.length; i++) set[words[i]] = true
return set
}
var keywords = wordSet(["var","let","class","deinit","enum","extension","func","import","init","protocol",
"static","struct","subscript","typealias","as","dynamicType","is","new","super",
"self","Self","Type","__COLUMN__","__FILE__","__FUNCTION__","__LINE__","break","case",
"continue","default","do","else","fallthrough","if","in","for","return","switch",
"where","while","associativity","didSet","get","infix","inout","left","mutating",
"none","nonmutating","operator","override","postfix","precedence","prefix","right",
"set","unowned","weak","willSet"])
var definingKeywords = wordSet(["var","let","class","enum","extension","func","import","protocol","struct",
"typealias","dynamicType","for"])
var atoms = wordSet(["Infinity","NaN","undefined","null","true","false","on","off","yes","no","nil","null",
"this","super"])
var types = wordSet(["String","bool","int","string","double","Double","Int","Float","float","public",
"private","extension"])
var operators = "+-/*%=|&<>#"
var punc = ";,.(){}[]"
var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/
var number = /^-?(?:(?:[\d_]+\.[_\d]*|\.[_\d]+|0o[0-7_\.]+|0b[01_\.]+)(?:e-?[\d_]+)?|0x[\d_a-f\.]+(?:p-?[\d_]+)?)/i
var identifier = /^[_A-Za-z$][_A-Za-z$0-9]*/
var property = /^[@\.][_A-Za-z$][_A-Za-z$0-9]*/
var regexp = /^\/(?!\s)(?:\/\/)?(?:\\.|[^\/])+\//
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function tokenBase(stream, state, prev) {
if (stream.eatSpace()) return null
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var ch = stream.peek()
if (ch == "/") {
if (stream.match("//")) {
stream.skipToEnd()
return "comment"
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}
if (stream.match("/*")) {
state.tokenize.push(tokenComment)
return tokenComment(stream, state)
}
if (stream.match(regexp)) return "string-2"
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}
if (operators.indexOf(ch) > -1) {
stream.next()
return "operator"
}
if (punc.indexOf(ch) > -1) {
stream.match(delimiters)
return "punctuation"
}
if (ch == '"' || ch == "'") {
stream.next()
var tokenize = tokenString(ch)
state.tokenize.push(tokenize)
return tokenize(stream, state)
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}
if (stream.match(number)) return "number"
if (stream.match(property)) return "property"
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if (stream.match(identifier)) {
var ident = stream.current()
if (keywords.hasOwnProperty(ident)) {
if (definingKeywords.hasOwnProperty(ident))
state.prev = "define"
return "keyword"
}
if (types.hasOwnProperty(ident)) return "variable-2"
if (atoms.hasOwnProperty(ident)) return "atom"
if (prev == "define") return "def"
return "variable"
}
stream.next()
return null
}
function tokenUntilClosingParen() {
var depth = 0
return function(stream, state, prev) {
var inner = tokenBase(stream, state, prev)
if (inner == "punctuation") {
if (stream.current() == "(") ++depth
else if (stream.current() == ")") {
if (depth == 0) {
stream.backUp(1)
state.tokenize.pop()
return state.tokenize[state.tokenize.length - 1](stream, state)
}
else --depth
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}
}
return inner
}
}
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function tokenString(quote) {
return function(stream, state) {
var ch, escaped = false
while (ch = stream.next()) {
if (escaped) {
if (ch == "(") {
state.tokenize.push(tokenUntilClosingParen())
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return "string"
}
escaped = false
} else if (ch == quote) {
break
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} else {
escaped = ch == "\\"
}
}
state.tokenize.pop()
return "string"
}
}
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function tokenComment(stream, state) {
stream.match(/^(?:[^*]|\*(?!\/))*/)
if (stream.match("*/")) state.tokenize.pop()
return "comment"
}
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CodeMirror.defineMode("swift", function() {
return {
startState: function() {
return {
prev: null,
tokenize: []
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}
},
token: function(stream, state) {
var prev = state.prev
state.prev = null
var tokenize = state.tokenize[state.tokenize.length - 1] || tokenBase
var style = tokenize(stream, state, prev)
if (!style || style == "comment") state.prev = prev
else if (!state.prev) state.prev = style
return style
},
lineComment: "//",
blockCommentStart: "/*",
blockCommentEnd: "*/"
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}
})
CodeMirror.defineMIME("text/x-swift","swift")
})