##// END OF EJS Templates
diffs: use whole chunk diff to calculate if it's oversized or not....
diffs: use whole chunk diff to calculate if it's oversized or not. - This fixes an issue if a file is added that has very large number of small lines. In this case the time to detect if the diff should be limited was very very long and CPU intensive.

File last commit:

r346:1a48416d default
r2070:7939c6bf default
Show More
swift.js
202 lines | 6.3 KiB | application/javascript | JavascriptLexer
// 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 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)(?:\/\/)?(?:\\.|[^\/])+\//
function tokenBase(stream, state, prev) {
if (stream.sol()) state.indented = stream.indentation()
if (stream.eatSpace()) return null
var ch = stream.peek()
if (ch == "/") {
if (stream.match("//")) {
stream.skipToEnd()
return "comment"
}
if (stream.match("/*")) {
state.tokenize.push(tokenComment)
return tokenComment(stream, state)
}
if (stream.match(regexp)) return "string-2"
}
if (operators.indexOf(ch) > -1) {
stream.next()
return "operator"
}
if (punc.indexOf(ch) > -1) {
stream.next()
stream.match("..")
return "punctuation"
}
if (ch == '"' || ch == "'") {
stream.next()
var tokenize = tokenString(ch)
state.tokenize.push(tokenize)
return tokenize(stream, state)
}
if (stream.match(number)) return "number"
if (stream.match(property)) return "property"
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
}
}
return inner
}
}
function tokenString(quote) {
return function(stream, state) {
var ch, escaped = false
while (ch = stream.next()) {
if (escaped) {
if (ch == "(") {
state.tokenize.push(tokenUntilClosingParen())
return "string"
}
escaped = false
} else if (ch == quote) {
break
} else {
escaped = ch == "\\"
}
}
state.tokenize.pop()
return "string"
}
}
function tokenComment(stream, state) {
stream.match(/^(?:[^*]|\*(?!\/))*/)
if (stream.match("*/")) state.tokenize.pop()
return "comment"
}
function Context(prev, align, indented) {
this.prev = prev
this.align = align
this.indented = indented
}
function pushContext(state, stream) {
var align = stream.match(/^\s*($|\/[\/\*])/, false) ? null : stream.column() + 1
state.context = new Context(state.context, align, state.indented)
}
function popContext(state) {
if (state.context) {
state.indented = state.context.indented
state.context = state.context.prev
}
}
CodeMirror.defineMode("swift", function(config) {
return {
startState: function() {
return {
prev: null,
context: null,
indented: 0,
tokenize: []
}
},
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
if (style == "punctuation") {
var bracket = /[\(\[\{]|([\]\)\}])/.exec(stream.current())
if (bracket) (bracket[1] ? popContext : pushContext)(state, stream)
}
return style
},
indent: function(state, textAfter) {
var cx = state.context
if (!cx) return 0
var closing = /^[\]\}\)]/.test(textAfter)
if (cx.align != null) return cx.align - (closing ? 1 : 0)
return cx.indented + (closing ? 0 : config.indentUnit)
},
electricInput: /^\s*[\)\}\]]$/,
lineComment: "//",
blockCommentStart: "/*",
blockCommentEnd: "*/"
}
})
CodeMirror.defineMIME("text/x-swift","swift")
})