hedgedoc/public/vendor/codemirror/mode/swift/swift.js
2015-07-04 11:31:01 +08:00

203 lines
7.2 KiB
JavaScript
Executable file

// 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 trim(str) { return /^\s*(.*?)\s*$/.exec(str)[1] }
var separators = [" ","\\\+","\\\-","\\\(","\\\)","\\\*","/",":","\\\?","\\\<","\\\>"," ","\\\."]
var tokens = new RegExp(separators.join("|"),"g")
function getWord(string, pos) {
var index = -1, count = 1
var words = string.split(tokens)
for (var i = 0; i < words.length; i++) {
for(var j = 1; j <= words[i].length; j++) {
if (count==pos) index = i
count++
}
count++
}
var ret = ["", ""]
if (pos == 0) {
ret[1] = words[0]
ret[0] = null
} else {
ret[1] = words[index]
ret[0] = words[index-1]
}
return ret
}
CodeMirror.defineMode("swift", function() {
var keywords=["var","let","class","deinit","enum","extension","func","import","init","let","protocol","static","struct","subscript","typealias","var","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","unowned(safe)","unowned(unsafe)","weak","willSet"]
var commonConstants=["Infinity","NaN","undefined","null","true","false","on","off","yes","no","nil","null","this","super"]
var types=["String","bool","int","string","double","Double","Int","Float","float","public","private","extension"]
var numbers=["0","1","2","3","4","5","6","7","8","9"]
var operators=["+","-","/","*","%","=","|","&","<",">"]
var punc=[";",",",".","(",")","{","}","[","]"]
var delimiters=/^(?:[()\[\]{},:`=;]|\.\.?\.?)/
var identifiers=/^[_A-Za-z$][_A-Za-z$0-9]*/
var properties=/^(@|this\.)[_A-Za-z$][_A-Za-z$0-9]*/
var regexPrefixes=/^(\/{3}|\/)/
return {
startState: function() {
return {
prev: false,
string: false,
escape: false,
inner: false,
comment: false,
num_left: 0,
num_right: 0,
doubleString: false,
singleString: false
}
},
token: function(stream, state) {
if (stream.eatSpace()) return null
var ch = stream.next()
if (state.string) {
if (state.escape) {
state.escape = false
return "string"
} else {
if ((ch == "\"" && (state.doubleString && !state.singleString) ||
(ch == "'" && (!state.doubleString && state.singleString))) &&
!state.escape) {
state.string = false
state.doubleString = false
state.singleString = false
return "string"
} else if (ch == "\\" && stream.peek() == "(") {
state.inner = true
state.string = false
return "keyword"
} else if (ch == "\\" && stream.peek() != "(") {
state.escape = true
state.string = true
return "string"
} else {
return "string"
}
}
} else if (state.comment) {
if (ch == "*" && stream.peek() == "/") {
state.prev = "*"
return "comment"
} else if (ch == "/" && state.prev == "*") {
state.prev = false
state.comment = false
return "comment"
}
return "comment"
} else {
if (ch == "/") {
if (stream.peek() == "/") {
stream.skipToEnd()
return "comment"
}
if (stream.peek() == "*") {
state.comment = true
return "comment"
}
}
if (ch == "(" && state.inner) {
state.num_left++
return null
}
if (ch == ")" && state.inner) {
state.num_right++
if (state.num_left == state.num_right) {
state.inner=false
state.string=true
}
return null
}
var ret = getWord(stream.string, stream.pos)
var the_word = ret[1]
var prev_word = ret[0]
if (operators.indexOf(ch + "") > -1) return "operator"
if (punc.indexOf(ch) > -1) return "punctuation"
if (typeof the_word != "undefined") {
the_word = trim(the_word)
if (typeof prev_word != "undefined") prev_word = trim(prev_word)
if (the_word.charAt(0) == "#") return null
if (types.indexOf(the_word) > -1) return "def"
if (commonConstants.indexOf(the_word) > -1) return "atom"
if (numbers.indexOf(the_word) > -1) return "number"
if ((numbers.indexOf(the_word.charAt(0) + "") > -1 ||
operators.indexOf(the_word.charAt(0) + "") > -1) &&
numbers.indexOf(ch) > -1) {
return "number"
}
if (keywords.indexOf(the_word) > -1 ||
keywords.indexOf(the_word.split(tokens)[0]) > -1)
return "keyword"
if (keywords.indexOf(prev_word) > -1) return "def"
}
if (ch == '"' && !state.doubleString) {
state.string = true
state.doubleString = true
return "string"
}
if (ch == "'" && !state.singleString) {
state.string = true
state.singleString = true
return "string"
}
if (ch == "(" && state.inner)
state.num_left++
if (ch == ")" && state.inner) {
state.num_right++
if (state.num_left == state.num_right) {
state.inner = false
state.string = true
}
return null
}
if (stream.match(/^-?[0-9\.]/, false)) {
if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i) ||
stream.match(/^-?\d+\.\d*/) ||
stream.match(/^-?\.\d+/)) {
if (stream.peek() == ".") stream.backUp(1)
return "number"
}
if (stream.match(/^-?0x[0-9a-f]+/i) ||
stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/) ||
stream.match(/^-?0(?![\dx])/i))
return "number"
}
if (stream.match(regexPrefixes)) {
if (stream.current()!="/" || stream.match(/^.*\//,false)) return "string"
else stream.backUp(1)
}
if (stream.match(delimiters)) return "punctuation"
if (stream.match(identifiers)) return "variable"
if (stream.match(properties)) return "property"
return "variable"
}
}
}
})
CodeMirror.defineMIME("text/x-swift","swift")
})