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typesetting/pitfall/pdfkit/node_modules/brace/workersrc/javascript.js

6447 lines
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JavaScript
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porting
7 years ago
"no use strict";
;(function(window) {
if (typeof window.window != "undefined" && window.document) {
return;
}
window.console = {
log: function() {
var msgs = Array.prototype.slice.call(arguments, 0);
postMessage({type: "log", data: msgs});
},
error: function() {
var msgs = Array.prototype.slice.call(arguments, 0);
postMessage({type: "log", data: msgs});
}
};
window.window = window;
window.ace = window;
window.normalizeModule = function(parentId, moduleName) {
if (moduleName.indexOf("!") !== -1) {
var chunks = moduleName.split("!");
return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
}
if (moduleName.charAt(0) == ".") {
var base = parentId.split("/").slice(0, -1).join("/");
moduleName = base + "/" + moduleName;
while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
var previous = moduleName;
moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
}
}
return moduleName;
};
window.acequire = function(parentId, id) {
if (!id) {
id = parentId
parentId = null;
}
if (!id.charAt)
throw new Error("worker.js acequire() accepts only (parentId, id) as arguments");
id = normalizeModule(parentId, id);
var module = acequire.modules[id];
if (module) {
if (!module.initialized) {
module.initialized = true;
module.exports = module.factory().exports;
}
return module.exports;
}
var chunks = id.split("/");
chunks[0] = acequire.tlns[chunks[0]] || chunks[0];
var path = chunks.join("/") + ".js";
acequire.id = id;
importScripts(path);
return acequire(parentId, id);
};
acequire.modules = {};
acequire.tlns = {};
window.define = function(id, deps, factory) {
if (arguments.length == 2) {
factory = deps;
if (typeof id != "string") {
deps = id;
id = acequire.id;
}
} else if (arguments.length == 1) {
factory = id;
id = acequire.id;
}
if (id.indexOf("text!") === 0)
return;
var req = function(deps, factory) {
return acequire(id, deps, factory);
};
acequire.modules[id] = {
factory: function() {
var module = {
exports: {}
};
var returnExports = factory(req, module.exports, module);
if (returnExports)
module.exports = returnExports;
return module;
}
};
};
window.initBaseUrls = function initBaseUrls(topLevelNamespaces) {
acequire.tlns = topLevelNamespaces;
}
window.initSender = function initSender() {
var EventEmitter = acequire("ace/lib/event_emitter").EventEmitter;
var oop = acequire("ace/lib/oop");
var Sender = function() {};
(function() {
oop.implement(this, EventEmitter);
this.callback = function(data, callbackId) {
postMessage({
type: "call",
id: callbackId,
data: data
});
};
this.emit = function(name, data) {
postMessage({
type: "event",
name: name,
data: data
});
};
}).call(Sender.prototype);
return new Sender();
}
window.main = null;
window.sender = null;
window.onmessage = function(e) {
var msg = e.data;
if (msg.command) {
if (main[msg.command])
main[msg.command].apply(main, msg.args);
else
throw new Error("Unknown command:" + msg.command);
}
else if (msg.init) {
initBaseUrls(msg.tlns);
acequire("ace/lib/es5-shim");
sender = initSender();
var clazz = acequire(msg.module)[msg.classname];
main = new clazz(sender);
}
else if (msg.event && sender) {
sender._emit(msg.event, msg.data);
}
};
})(this);
ace.define('ace/lib/event_emitter', ["require", 'exports', 'module' ], function(acequire, exports, module) {
var EventEmitter = {};
var stopPropagation = function() { this.propagationStopped = true; };
var preventDefault = function() { this.defaultPrevented = true; };
EventEmitter._emit =
EventEmitter._dispatchEvent = function(eventName, e) {
this._eventRegistry || (this._eventRegistry = {});
this._defaultHandlers || (this._defaultHandlers = {});
var listeners = this._eventRegistry[eventName] || [];
var defaultHandler = this._defaultHandlers[eventName];
if (!listeners.length && !defaultHandler)
return;
if (typeof e != "object" || !e)
e = {};
if (!e.type)
e.type = eventName;
if (!e.stopPropagation)
e.stopPropagation = stopPropagation;
if (!e.preventDefault)
e.preventDefault = preventDefault;
for (var i=0; i<listeners.length; i++) {
listeners[i](e, this);
if (e.propagationStopped)
break;
}
if (defaultHandler && !e.defaultPrevented)
return defaultHandler(e, this);
};
EventEmitter._signal = function(eventName, e) {
var listeners = (this._eventRegistry || {})[eventName];
if (!listeners)
return;
for (var i=0; i<listeners.length; i++)
listeners[i](e, this);
};
EventEmitter.once = function(eventName, callback) {
var _self = this;
callback && this.addEventListener(eventName, function newCallback() {
_self.removeEventListener(eventName, newCallback);
callback.apply(null, arguments);
});
};
EventEmitter.setDefaultHandler = function(eventName, callback) {
var handlers = this._defaultHandlers
if (!handlers)
handlers = this._defaultHandlers = {_disabled_: {}};
if (handlers[eventName]) {
var old = handlers[eventName];
var disabled = handlers._disabled_[eventName];
if (!disabled)
handlers._disabled_[eventName] = disabled = [];
disabled.push(old);
var i = disabled.indexOf(callback);
if (i != -1)
disabled.splice(i, 1);
}
handlers[eventName] = callback;
};
EventEmitter.removeDefaultHandler = function(eventName, callback) {
var handlers = this._defaultHandlers
if (!handlers)
return;
var disabled = handlers._disabled_[eventName];
if (handlers[eventName] == callback) {
var old = handlers[eventName];
if (disabled)
this.setDefaultHandler(eventName, disabled.pop());
} else if (disabled) {
var i = disabled.indexOf(callback);
if (i != -1)
disabled.splice(i, 1);
}
};
EventEmitter.on =
EventEmitter.addEventListener = function(eventName, callback, capturing) {
this._eventRegistry = this._eventRegistry || {};
var listeners = this._eventRegistry[eventName];
if (!listeners)
listeners = this._eventRegistry[eventName] = [];
if (listeners.indexOf(callback) == -1)
listeners[capturing ? "unshift" : "push"](callback);
return callback;
};
EventEmitter.off =
EventEmitter.removeListener =
EventEmitter.removeEventListener = function(eventName, callback) {
this._eventRegistry = this._eventRegistry || {};
var listeners = this._eventRegistry[eventName];
if (!listeners)
return;
var index = listeners.indexOf(callback);
if (index !== -1)
listeners.splice(index, 1);
};
EventEmitter.removeAllListeners = function(eventName) {
if (this._eventRegistry) this._eventRegistry[eventName] = [];
};
exports.EventEmitter = EventEmitter;
});
ace.define('ace/lib/oop', ["require", 'exports', 'module' ], function(acequire, exports, module) {
exports.inherits = (function() {
var tempCtor = function() {};
return function(ctor, superCtor) {
tempCtor.prototype = superCtor.prototype;
ctor.super_ = superCtor.prototype;
ctor.prototype = new tempCtor();
ctor.prototype.constructor = ctor;
};
}());
exports.mixin = function(obj, mixin) {
for (var key in mixin) {
obj[key] = mixin[key];
}
return obj;
};
exports.implement = function(proto, mixin) {
exports.mixin(proto, mixin);
};
});
ace.define('ace/lib/es5-shim', ["require", 'exports', 'module' ], function(acequire, exports, module) {
function Empty() {}
if (!Function.prototype.bind) {
Function.prototype.bind = function bind(that) { // .length is 1
var target = this;
if (typeof target != "function") {
throw new TypeError("Function.prototype.bind called on incompatible " + target);
}
var args = slice.call(arguments, 1); // for normal call
var bound = function () {
if (this instanceof bound) {
var result = target.apply(
this,
args.concat(slice.call(arguments))
);
if (Object(result) === result) {
return result;
}
return this;
} else {
return target.apply(
that,
args.concat(slice.call(arguments))
);
}
};
if(target.prototype) {
Empty.prototype = target.prototype;
bound.prototype = new Empty();
Empty.prototype = null;
}
return bound;
};
}
var call = Function.prototype.call;
var prototypeOfArray = Array.prototype;
var prototypeOfObject = Object.prototype;
var slice = prototypeOfArray.slice;
var _toString = call.bind(prototypeOfObject.toString);
var owns = call.bind(prototypeOfObject.hasOwnProperty);
var defineGetter;
var defineSetter;
var lookupGetter;
var lookupSetter;
var supportsAccessors;
if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
defineGetter = call.bind(prototypeOfObject.__defineGetter__);
defineSetter = call.bind(prototypeOfObject.__defineSetter__);
lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
}
if ([1,2].splice(0).length != 2) {
if(function() { // test IE < 9 to splice bug - see issue #138
function makeArray(l) {
var a = new Array(l+2);
a[0] = a[1] = 0;
return a;
}
var array = [], lengthBefore;
array.splice.apply(array, makeArray(20));
array.splice.apply(array, makeArray(26));
lengthBefore = array.length; //46
array.splice(5, 0, "XXX"); // add one element
lengthBefore + 1 == array.length
if (lengthBefore + 1 == array.length) {
return true;// has right splice implementation without bugs
}
}()) {//IE 6/7
var array_splice = Array.prototype.splice;
Array.prototype.splice = function(start, deleteCount) {
if (!arguments.length) {
return [];
} else {
return array_splice.apply(this, [
start === void 0 ? 0 : start,
deleteCount === void 0 ? (this.length - start) : deleteCount
].concat(slice.call(arguments, 2)))
}
};
} else {//IE8
Array.prototype.splice = function(pos, removeCount){
var length = this.length;
if (pos > 0) {
if (pos > length)
pos = length;
} else if (pos == void 0) {
pos = 0;
} else if (pos < 0) {
pos = Math.max(length + pos, 0);
}
if (!(pos+removeCount < length))
removeCount = length - pos;
var removed = this.slice(pos, pos+removeCount);
var insert = slice.call(arguments, 2);
var add = insert.length;
if (pos === length) {
if (add) {
this.push.apply(this, insert);
}
} else {
var remove = Math.min(removeCount, length - pos);
var tailOldPos = pos + remove;
var tailNewPos = tailOldPos + add - remove;
var tailCount = length - tailOldPos;
var lengthAfterRemove = length - remove;
if (tailNewPos < tailOldPos) { // case A
for (var i = 0; i < tailCount; ++i) {
this[tailNewPos+i] = this[tailOldPos+i];
}
} else if (tailNewPos > tailOldPos) { // case B
for (i = tailCount; i--; ) {
this[tailNewPos+i] = this[tailOldPos+i];
}
} // else, add == remove (nothing to do)
if (add && pos === lengthAfterRemove) {
this.length = lengthAfterRemove; // truncate array
this.push.apply(this, insert);
} else {
this.length = lengthAfterRemove + add; // reserves space
for (i = 0; i < add; ++i) {
this[pos+i] = insert[i];
}
}
}
return removed;
};
}
}
if (!Array.isArray) {
Array.isArray = function isArray(obj) {
return _toString(obj) == "[object Array]";
};
}
var boxedString = Object("a"),
splitString = boxedString[0] != "a" || !(0 in boxedString);
if (!Array.prototype.forEach) {
Array.prototype.forEach = function forEach(fun /*, thisp*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
thisp = arguments[1],
i = -1,
length = self.length >>> 0;
if (_toString(fun) != "[object Function]") {
throw new TypeError(); // TODO message
}
while (++i < length) {
if (i in self) {
fun.call(thisp, self[i], i, object);
}
}
};
}
if (!Array.prototype.map) {
Array.prototype.map = function map(fun /*, thisp*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
result = Array(length),
thisp = arguments[1];
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self)
result[i] = fun.call(thisp, self[i], i, object);
}
return result;
};
}
if (!Array.prototype.filter) {
Array.prototype.filter = function filter(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
result = [],
value,
thisp = arguments[1];
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self) {
value = self[i];
if (fun.call(thisp, value, i, object)) {
result.push(value);
}
}
}
return result;
};
}
if (!Array.prototype.every) {
Array.prototype.every = function every(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
thisp = arguments[1];
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self && !fun.call(thisp, self[i], i, object)) {
return false;
}
}
return true;
};
}
if (!Array.prototype.some) {
Array.prototype.some = function some(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
thisp = arguments[1];
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self && fun.call(thisp, self[i], i, object)) {
return true;
}
}
return false;
};
}
if (!Array.prototype.reduce) {
Array.prototype.reduce = function reduce(fun /*, initial*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0;
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
if (!length && arguments.length == 1) {
throw new TypeError("reduce of empty array with no initial value");
}
var i = 0;
var result;
if (arguments.length >= 2) {
result = arguments[1];
} else {
do {
if (i in self) {
result = self[i++];
break;
}
if (++i >= length) {
throw new TypeError("reduce of empty array with no initial value");
}
} while (true);
}
for (; i < length; i++) {
if (i in self) {
result = fun.call(void 0, result, self[i], i, object);
}
}
return result;
};
}
if (!Array.prototype.reduceRight) {
Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0;
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
if (!length && arguments.length == 1) {
throw new TypeError("reduceRight of empty array with no initial value");
}
var result, i = length - 1;
if (arguments.length >= 2) {
result = arguments[1];
} else {
do {
if (i in self) {
result = self[i--];
break;
}
if (--i < 0) {
throw new TypeError("reduceRight of empty array with no initial value");
}
} while (true);
}
do {
if (i in this) {
result = fun.call(void 0, result, self[i], i, object);
}
} while (i--);
return result;
};
}
if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length) {
return -1;
}
var i = 0;
if (arguments.length > 1) {
i = toInteger(arguments[1]);
}
i = i >= 0 ? i : Math.max(0, length + i);
for (; i < length; i++) {
if (i in self && self[i] === sought) {
return i;
}
}
return -1;
};
}
if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length) {
return -1;
}
var i = length - 1;
if (arguments.length > 1) {
i = Math.min(i, toInteger(arguments[1]));
}
i = i >= 0 ? i : length - Math.abs(i);
for (; i >= 0; i--) {
if (i in self && sought === self[i]) {
return i;
}
}
return -1;
};
}
if (!Object.getPrototypeOf) {
Object.getPrototypeOf = function getPrototypeOf(object) {
return object.__proto__ || (
object.constructor ?
object.constructor.prototype :
prototypeOfObject
);
};
}
if (!Object.getOwnPropertyDescriptor) {
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
"non-object: ";
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
if ((typeof object != "object" && typeof object != "function") || object === null)
throw new TypeError(ERR_NON_OBJECT + object);
if (!owns(object, property))
return;
var descriptor, getter, setter;
descriptor = { enumerable: true, configurable: true };
if (supportsAccessors) {
var prototype = object.__proto__;
object.__proto__ = prototypeOfObject;
var getter = lookupGetter(object, property);
var setter = lookupSetter(object, property);
object.__proto__ = prototype;
if (getter || setter) {
if (getter) descriptor.get = getter;
if (setter) descriptor.set = setter;
return descriptor;
}
}
descriptor.value = object[property];
return descriptor;
};
}
if (!Object.getOwnPropertyNames) {
Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
return Object.keys(object);
};
}
if (!Object.create) {
var createEmpty;
if (Object.prototype.__proto__ === null) {
createEmpty = function () {
return { "__proto__": null };
};
} else {
createEmpty = function () {
var empty = {};
for (var i in empty)
empty[i] = null;
empty.constructor =
empty.hasOwnProperty =
empty.propertyIsEnumerable =
empty.isPrototypeOf =
empty.toLocaleString =
empty.toString =
empty.valueOf =
empty.__proto__ = null;
return empty;
}
}
Object.create = function create(prototype, properties) {
var object;
if (prototype === null) {
object = createEmpty();
} else {
if (typeof prototype != "object")
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
var Type = function () {};
Type.prototype = prototype;
object = new Type();
object.__proto__ = prototype;
}
if (properties !== void 0)
Object.defineProperties(object, properties);
return object;
};
}
function doesDefinePropertyWork(object) {
try {
Object.defineProperty(object, "sentinel", {});
return "sentinel" in object;
} catch (exception) {
}
}
if (Object.defineProperty) {
var definePropertyWorksOnObject = doesDefinePropertyWork({});
var definePropertyWorksOnDom = typeof document == "undefined" ||
doesDefinePropertyWork(document.createElement("div"));
if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
var definePropertyFallback = Object.defineProperty;
}
}
if (!Object.defineProperty || definePropertyFallback) {
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
"on this javascript engine";
Object.defineProperty = function defineProperty(object, property, descriptor) {
if ((typeof object != "object" && typeof object != "function") || object === null)
throw new TypeError(ERR_NON_OBJECT_TARGET + object);
if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
if (definePropertyFallback) {
try {
return definePropertyFallback.call(Object, object, property, descriptor);
} catch (exception) {
}
}
if (owns(descriptor, "value")) {
if (supportsAccessors && (lookupGetter(object, property) ||
lookupSetter(object, property)))
{
var prototype = object.__proto__;
object.__proto__ = prototypeOfObject;
delete object[property];
object[property] = descriptor.value;
object.__proto__ = prototype;
} else {
object[property] = descriptor.value;
}
} else {
if (!supportsAccessors)
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
if (owns(descriptor, "get"))
defineGetter(object, property, descriptor.get);
if (owns(descriptor, "set"))
defineSetter(object, property, descriptor.set);
}
return object;
};
}
if (!Object.defineProperties) {
Object.defineProperties = function defineProperties(object, properties) {
for (var property in properties) {
if (owns(properties, property))
Object.defineProperty(object, property, properties[property]);
}
return object;
};
}
if (!Object.seal) {
Object.seal = function seal(object) {
return object;
};
}
if (!Object.freeze) {
Object.freeze = function freeze(object) {
return object;
};
}
try {
Object.freeze(function () {});
} catch (exception) {
Object.freeze = (function freeze(freezeObject) {
return function freeze(object) {
if (typeof object == "function") {
return object;
} else {
return freezeObject(object);
}
};
})(Object.freeze);
}
if (!Object.preventExtensions) {
Object.preventExtensions = function preventExtensions(object) {
return object;
};
}
if (!Object.isSealed) {
Object.isSealed = function isSealed(object) {
return false;
};
}
if (!Object.isFrozen) {
Object.isFrozen = function isFrozen(object) {
return false;
};
}
if (!Object.isExtensible) {
Object.isExtensible = function isExtensible(object) {
if (Object(object) === object) {
throw new TypeError(); // TODO message
}
var name = '';
while (owns(object, name)) {
name += '?';
}
object[name] = true;
var returnValue = owns(object, name);
delete object[name];
return returnValue;
};
}
if (!Object.keys) {
var hasDontEnumBug = true,
dontEnums = [
"toString",
"toLocaleString",
"valueOf",
"hasOwnProperty",
"isPrototypeOf",
"propertyIsEnumerable",
"constructor"
],
dontEnumsLength = dontEnums.length;
for (var key in {"toString": null}) {
hasDontEnumBug = false;
}
Object.keys = function keys(object) {
if (
(typeof object != "object" && typeof object != "function") ||
object === null
) {
throw new TypeError("Object.keys called on a non-object");
}
var keys = [];
for (var name in object) {
if (owns(object, name)) {
keys.push(name);
}
}
if (hasDontEnumBug) {
for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
var dontEnum = dontEnums[i];
if (owns(object, dontEnum)) {
keys.push(dontEnum);
}
}
}
return keys;
};
}
if (!Date.now) {
Date.now = function now() {
return new Date().getTime();
};
}
var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
"\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
"\u2029\uFEFF";
if (!String.prototype.trim || ws.trim()) {
ws = "[" + ws + "]";
var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
trimEndRegexp = new RegExp(ws + ws + "*$");
String.prototype.trim = function trim() {
return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
};
}
function toInteger(n) {
n = +n;
if (n !== n) { // isNaN
n = 0;
} else if (n !== 0 && n !== (1/0) && n !== -(1/0)) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
return n;
}
function isPrimitive(input) {
var type = typeof input;
return (
input === null ||
type === "undefined" ||
type === "boolean" ||
type === "number" ||
type === "string"
);
}
function toPrimitive(input) {
var val, valueOf, toString;
if (isPrimitive(input)) {
return input;
}
valueOf = input.valueOf;
if (typeof valueOf === "function") {
val = valueOf.call(input);
if (isPrimitive(val)) {
return val;
}
}
toString = input.toString;
if (typeof toString === "function") {
val = toString.call(input);
if (isPrimitive(val)) {
return val;
}
}
throw new TypeError();
}
var toObject = function (o) {
if (o == null) { // this matches both null and undefined
throw new TypeError("can't convert "+o+" to object");
}
return Object(o);
};
});
ace.define('ace/mode/javascript_worker', ["require", 'exports', 'module' , 'ace/lib/oop', 'ace/worker/mirror', 'ace/mode/javascript/jshint'], function(acequire, exports, module) {
var oop = acequire("../lib/oop");
var Mirror = acequire("../worker/mirror").Mirror;
var lint = acequire("./javascript/jshint").JSHINT;
function startRegex(arr) {
return RegExp("^(" + arr.join("|") + ")");
}
var disabledWarningsRe = startRegex([
"Bad for in variable '(.+)'.",
'Missing "use strict"'
]);
var errorsRe = startRegex([
"Unexpected",
"Expected ",
"Confusing (plus|minus)",
"\\{a\\} unterminated regular expression",
"Unclosed ",
"Unmatched ",
"Unbegun comment",
"Bad invocation",
"Missing space after",
"Missing operator at"
]);
var infoRe = startRegex([
"Expected an assignment",
"Bad escapement of EOL",
"Unexpected comma",
"Unexpected space",
"Missing radix parameter.",
"A leading decimal point can",
"\\['{a}'\\] is better written in dot notation.",
"'{a}' used out of scope"
]);
var JavaScriptWorker = exports.JavaScriptWorker = function(sender) {
Mirror.call(this, sender);
this.setTimeout(500);
this.setOptions();
};
oop.inherits(JavaScriptWorker, Mirror);
(function() {
this.setOptions = function(options) {
this.options = options || {
es5: true,
esnext: true,
devel: true,
browser: true,
node: true,
laxcomma: true,
laxbreak: true,
lastsemic: true,
onevar: false,
passfail: false,
maxerr: 100,
expr: true,
multistr: true,
globalstrict: true
};
this.doc.getValue() && this.deferredUpdate.schedule(100);
};
this.changeOptions = function(newOptions) {
oop.mixin(this.options, newOptions);
this.doc.getValue() && this.deferredUpdate.schedule(100);
};
this.isValidJS = function(str) {
try {
eval("throw 0;" + str);
} catch(e) {
if (e === 0)
return true;
}
return false
};
this.onUpdate = function() {
var value = this.doc.getValue();
value = value.replace(/^#!.*\n/, "\n");
if (!value) {
this.sender.emit("jslint", []);
return;
}
var errors = [];
var maxErrorLevel = this.isValidJS(value) ? "warning" : "error";
lint(value, this.options);
var results = lint.errors;
var errorAdded = false
for (var i = 0; i < results.length; i++) {
var error = results[i];
if (!error)
continue;
var raw = error.raw;
var type = "warning";
if (raw == "Missing semicolon.") {
var str = error.evidence.substr(error.character);
str = str.charAt(str.search(/\S/));
if (maxErrorLevel == "error" && str && /[\w\d{(['"]/.test(str)) {
error.reason = 'Missing ";" before statement';
type = "error";
} else {
type = "info";
}
}
else if (disabledWarningsRe.test(raw)) {
continue;
}
else if (infoRe.test(raw)) {
type = "info"
}
else if (errorsRe.test(raw)) {
errorAdded = true;
type = maxErrorLevel;
}
else if (raw == "'{a}' is not defined.") {
type = "warning";
}
else if (raw == "'{a}' is defined but never used.") {
type = "info";
}
errors.push({
row: error.line-1,
column: error.character-1,
text: error.reason,
type: type,
raw: raw
});
if (errorAdded) {
}
}
this.sender.emit("jslint", errors);
};
}).call(JavaScriptWorker.prototype);
});
ace.define('ace/worker/mirror', ["require", 'exports', 'module' , 'ace/document', 'ace/lib/lang'], function(acequire, exports, module) {
var Document = acequire("../document").Document;
var lang = acequire("../lib/lang");
var Mirror = exports.Mirror = function(sender) {
this.sender = sender;
var doc = this.doc = new Document("");
var deferredUpdate = this.deferredUpdate = lang.delayedCall(this.onUpdate.bind(this));
var _self = this;
sender.on("change", function(e) {
doc.applyDeltas(e.data);
deferredUpdate.schedule(_self.$timeout);
});
};
(function() {
this.$timeout = 500;
this.setTimeout = function(timeout) {
this.$timeout = timeout;
};
this.setValue = function(value) {
this.doc.setValue(value);
this.deferredUpdate.schedule(this.$timeout);
};
this.getValue = function(callbackId) {
this.sender.callback(this.doc.getValue(), callbackId);
};
this.onUpdate = function() {
};
}).call(Mirror.prototype);
});
ace.define('ace/document', ["require", 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter', 'ace/range', 'ace/anchor'], function(acequire, exports, module) {
var oop = acequire("./lib/oop");
var EventEmitter = acequire("./lib/event_emitter").EventEmitter;
var Range = acequire("./range").Range;
var Anchor = acequire("./anchor").Anchor;
var Document = function(text) {
this.$lines = [];
if (text.length == 0) {
this.$lines = [""];
} else if (Array.isArray(text)) {
this._insertLines(0, text);
} else {
this.insert({row: 0, column:0}, text);
}
};
(function() {
oop.implement(this, EventEmitter);
this.setValue = function(text) {
var len = this.getLength();
this.remove(new Range(0, 0, len, this.getLine(len-1).length));
this.insert({row: 0, column:0}, text);
};
this.getValue = function() {
return this.getAllLines().join(this.getNewLineCharacter());
};
this.createAnchor = function(row, column) {
return new Anchor(this, row, column);
};
if ("aaa".split(/a/).length == 0)
this.$split = function(text) {
return text.replace(/\r\n|\r/g, "\n").split("\n");
}
else
this.$split = function(text) {
return text.split(/\r\n|\r|\n/);
};
this.$detectNewLine = function(text) {
var match = text.match(/^.*?(\r\n|\r|\n)/m);
this.$autoNewLine = match ? match[1] : "\n";
};
this.getNewLineCharacter = function() {
switch (this.$newLineMode) {
case "windows":
return "\r\n";
case "unix":
return "\n";
default:
return this.$autoNewLine;
}
};
this.$autoNewLine = "\n";
this.$newLineMode = "auto";
this.setNewLineMode = function(newLineMode) {
if (this.$newLineMode === newLineMode)
return;
this.$newLineMode = newLineMode;
};
this.getNewLineMode = function() {
return this.$newLineMode;
};
this.isNewLine = function(text) {
return (text == "\r\n" || text == "\r" || text == "\n");
};
this.getLine = function(row) {
return this.$lines[row] || "";
};
this.getLines = function(firstRow, lastRow) {
return this.$lines.slice(firstRow, lastRow + 1);
};
this.getAllLines = function() {
return this.getLines(0, this.getLength());
};
this.getLength = function() {
return this.$lines.length;
};
this.getTextRange = function(range) {
if (range.start.row == range.end.row) {
return this.$lines[range.start.row]
.substring(range.start.column, range.end.column);
}
var lines = this.getLines(range.start.row, range.end.row);
lines[0] = (lines[0] || "").substring(range.start.column);
var l = lines.length - 1;
if (range.end.row - range.start.row == l)
lines[l] = lines[l].substring(0, range.end.column);
return lines.join(this.getNewLineCharacter());
};
this.$clipPosition = function(position) {
var length = this.getLength();
if (position.row >= length) {
position.row = Math.max(0, length - 1);
position.column = this.getLine(length-1).length;
} else if (position.row < 0)
position.row = 0;
return position;
};
this.insert = function(position, text) {
if (!text || text.length === 0)
return position;
position = this.$clipPosition(position);
if (this.getLength() <= 1)
this.$detectNewLine(text);
var lines = this.$split(text);
var firstLine = lines.splice(0, 1)[0];
var lastLine = lines.length == 0 ? null : lines.splice(lines.length - 1, 1)[0];
position = this.insertInLine(position, firstLine);
if (lastLine !== null) {
position = this.insertNewLine(position); // terminate first line
position = this._insertLines(position.row, lines);
position = this.insertInLine(position, lastLine || "");
}
return position;
};
this.insertLines = function(row, lines) {
if (row >= this.getLength())
return this.insert({row: row, column: 0}, "\n" + lines.join("\n"));
return this._insertLines(Math.max(row, 0), lines);
};
this._insertLines = function(row, lines) {
if (lines.length == 0)
return {row: row, column: 0};
if (lines.length > 0xFFFF) {
var end = this._insertLines(row, lines.slice(0xFFFF));
lines = lines.slice(0, 0xFFFF);
}
var args = [row, 0];
args.push.apply(args, lines);
this.$lines.splice.apply(this.$lines, args);
var range = new Range(row, 0, row + lines.length, 0);
var delta = {
action: "insertLines",
range: range,
lines: lines
};
this._emit("change", { data: delta });
return end || range.end;
};
this.insertNewLine = function(position) {
position = this.$clipPosition(position);
var line = this.$lines[position.row] || "";
this.$lines[position.row] = line.substring(0, position.column);
this.$lines.splice(position.row + 1, 0, line.substring(position.column, line.length));
var end = {
row : position.row + 1,
column : 0
};
var delta = {
action: "insertText",
range: Range.fromPoints(position, end),
text: this.getNewLineCharacter()
};
this._emit("change", { data: delta });
return end;
};
this.insertInLine = function(position, text) {
if (text.length == 0)
return position;
var line = this.$lines[position.row] || "";
this.$lines[position.row] = line.substring(0, position.column) + text
+ line.substring(position.column);
var end = {
row : position.row,
column : position.column + text.length
};
var delta = {
action: "insertText",
range: Range.fromPoints(position, end),
text: text
};
this._emit("change", { data: delta });
return end;
};
this.remove = function(range) {
range.start = this.$clipPosition(range.start);
range.end = this.$clipPosition(range.end);
if (range.isEmpty())
return range.start;
var firstRow = range.start.row;
var lastRow = range.end.row;
if (range.isMultiLine()) {
var firstFullRow = range.start.column == 0 ? firstRow : firstRow + 1;
var lastFullRow = lastRow - 1;
if (range.end.column > 0)
this.removeInLine(lastRow, 0, range.end.column);
if (lastFullRow >= firstFullRow)
this._removeLines(firstFullRow, lastFullRow);
if (firstFullRow != firstRow) {
this.removeInLine(firstRow, range.start.column, this.getLine(firstRow).length);
this.removeNewLine(range.start.row);
}
}
else {
this.removeInLine(firstRow, range.start.column, range.end.column);
}
return range.start;
};
this.removeInLine = function(row, startColumn, endColumn) {
if (startColumn == endColumn)
return;
var range = new Range(row, startColumn, row, endColumn);
var line = this.getLine(row);
var removed = line.substring(startColumn, endColumn);
var newLine = line.substring(0, startColumn) + line.substring(endColumn, line.length);
this.$lines.splice(row, 1, newLine);
var delta = {
action: "removeText",
range: range,
text: removed
};
this._emit("change", { data: delta });
return range.start;
};
this.removeLines = function(firstRow, lastRow) {
if (firstRow < 0 || lastRow >= this.getLength())
return this.remove(new Range(firstRow, 0, lastRow + 1, 0));
return this._removeLines(firstRow, lastRow);
};
this._removeLines = function(firstRow, lastRow) {
var range = new Range(firstRow, 0, lastRow + 1, 0);
var removed = this.$lines.splice(firstRow, lastRow - firstRow + 1);
var delta = {
action: "removeLines",
range: range,
nl: this.getNewLineCharacter(),
lines: removed
};
this._emit("change", { data: delta });
return removed;
};
this.removeNewLine = function(row) {
var firstLine = this.getLine(row);
var secondLine = this.getLine(row+1);
var range = new Range(row, firstLine.length, row+1, 0);
var line = firstLine + secondLine;
this.$lines.splice(row, 2, line);
var delta = {
action: "removeText",
range: range,
text: this.getNewLineCharacter()
};
this._emit("change", { data: delta });
};
this.replace = function(range, text) {
if (text.length == 0 && range.isEmpty())
return range.start;
if (text == this.getTextRange(range))
return range.end;
this.remove(range);
if (text) {
var end = this.insert(range.start, text);
}
else {
end = range.start;
}
return end;
};
this.applyDeltas = function(deltas) {
for (var i=0; i<deltas.length; i++) {
var delta = deltas[i];
var range = Range.fromPoints(delta.range.start, delta.range.end);
if (delta.action == "insertLines")
this.insertLines(range.start.row, delta.lines);
else if (delta.action == "insertText")
this.insert(range.start, delta.text);
else if (delta.action == "removeLines")
this._removeLines(range.start.row, range.end.row - 1);
else if (delta.action == "removeText")
this.remove(range);
}
};
this.revertDeltas = function(deltas) {
for (var i=deltas.length-1; i>=0; i--) {
var delta = deltas[i];
var range = Range.fromPoints(delta.range.start, delta.range.end);
if (delta.action == "insertLines")
this._removeLines(range.start.row, range.end.row - 1);
else if (delta.action == "insertText")
this.remove(range);
else if (delta.action == "removeLines")
this._insertLines(range.start.row, delta.lines);
else if (delta.action == "removeText")
this.insert(range.start, delta.text);
}
};
this.indexToPosition = function(index, startRow) {
var lines = this.$lines || this.getAllLines();
var newlineLength = this.getNewLineCharacter().length;
for (var i = startRow || 0, l = lines.length; i < l; i++) {
index -= lines[i].length + newlineLength;
if (index < 0)
return {row: i, column: index + lines[i].length + newlineLength};
}
return {row: l-1, column: lines[l-1].length};
};
this.positionToIndex = function(pos, startRow) {
var lines = this.$lines || this.getAllLines();
var newlineLength = this.getNewLineCharacter().length;
var index = 0;
var row = Math.min(pos.row, lines.length);
for (var i = startRow || 0; i < row; ++i)
index += lines[i].length + newlineLength;
return index + pos.column;
};
}).call(Document.prototype);
exports.Document = Document;
});
ace.define('ace/range', ["require", 'exports', 'module' ], function(acequire, exports, module) {
var comparePoints = function(p1, p2) {
return p1.row - p2.row || p1.column - p2.column;
};
var Range = function(startRow, startColumn, endRow, endColumn) {
this.start = {
row: startRow,
column: startColumn
};
this.end = {
row: endRow,
column: endColumn
};
};
(function() {
this.isEqual = function(range) {
return this.start.row === range.start.row &&
this.end.row === range.end.row &&
this.start.column === range.start.column &&
this.end.column === range.end.column;
};
this.toString = function() {
return ("Range: [" + this.start.row + "/" + this.start.column +
"] -> [" + this.end.row + "/" + this.end.column + "]");
};
this.contains = function(row, column) {
return this.compare(row, column) == 0;
};
this.compareRange = function(range) {
var cmp,
end = range.end,
start = range.start;
cmp = this.compare(end.row, end.column);
if (cmp == 1) {
cmp = this.compare(start.row, start.column);
if (cmp == 1) {
return 2;
} else if (cmp == 0) {
return 1;
} else {
return 0;
}
} else if (cmp == -1) {
return -2;
} else {
cmp = this.compare(start.row, start.column);
if (cmp == -1) {
return -1;
} else if (cmp == 1) {
return 42;
} else {
return 0;
}
}
};
this.comparePoint = function(p) {
return this.compare(p.row, p.column);
};
this.containsRange = function(range) {
return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
};
this.intersects = function(range) {
var cmp = this.compareRange(range);
return (cmp == -1 || cmp == 0 || cmp == 1);
};
this.isEnd = function(row, column) {
return this.end.row == row && this.end.column == column;
};
this.isStart = function(row, column) {
return this.start.row == row && this.start.column == column;
};
this.setStart = function(row, column) {
if (typeof row == "object") {
this.start.column = row.column;
this.start.row = row.row;
} else {
this.start.row = row;
this.start.column = column;
}
};
this.setEnd = function(row, column) {
if (typeof row == "object") {
this.end.column = row.column;
this.end.row = row.row;
} else {
this.end.row = row;
this.end.column = column;
}
};
this.inside = function(row, column) {
if (this.compare(row, column) == 0) {
if (this.isEnd(row, column) || this.isStart(row, column)) {
return false;
} else {
return true;
}
}
return false;
};
this.insideStart = function(row, column) {
if (this.compare(row, column) == 0) {
if (this.isEnd(row, column)) {
return false;
} else {
return true;
}
}
return false;
};
this.insideEnd = function(row, column) {
if (this.compare(row, column) == 0) {
if (this.isStart(row, column)) {
return false;
} else {
return true;
}
}
return false;
};
this.compare = function(row, column) {
if (!this.isMultiLine()) {
if (row === this.start.row) {
return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
};
}
if (row < this.start.row)
return -1;
if (row > this.end.row)
return 1;
if (this.start.row === row)
return column >= this.start.column ? 0 : -1;
if (this.end.row === row)
return column <= this.end.column ? 0 : 1;
return 0;
};
this.compareStart = function(row, column) {
if (this.start.row == row && this.start.column == column) {
return -1;
} else {
return this.compare(row, column);
}
};
this.compareEnd = function(row, column) {
if (this.end.row == row && this.end.column == column) {
return 1;
} else {
return this.compare(row, column);
}
};
this.compareInside = function(row, column) {
if (this.end.row == row && this.end.column == column) {
return 1;
} else if (this.start.row == row && this.start.column == column) {
return -1;
} else {
return this.compare(row, column);
}
};
this.clipRows = function(firstRow, lastRow) {
if (this.end.row > lastRow)
var end = {row: lastRow + 1, column: 0};
else if (this.end.row < firstRow)
var end = {row: firstRow, column: 0};
if (this.start.row > lastRow)
var start = {row: lastRow + 1, column: 0};
else if (this.start.row < firstRow)
var start = {row: firstRow, column: 0};
return Range.fromPoints(start || this.start, end || this.end);
};
this.extend = function(row, column) {
var cmp = this.compare(row, column);
if (cmp == 0)
return this;
else if (cmp == -1)
var start = {row: row, column: column};
else
var end = {row: row, column: column};
return Range.fromPoints(start || this.start, end || this.end);
};
this.isEmpty = function() {
return (this.start.row === this.end.row && this.start.column === this.end.column);
};
this.isMultiLine = function() {
return (this.start.row !== this.end.row);
};
this.clone = function() {
return Range.fromPoints(this.start, this.end);
};
this.collapseRows = function() {
if (this.end.column == 0)
return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0)
else
return new Range(this.start.row, 0, this.end.row, 0)
};
this.toScreenRange = function(session) {
var screenPosStart = session.documentToScreenPosition(this.start);
var screenPosEnd = session.documentToScreenPosition(this.end);
return new Range(
screenPosStart.row, screenPosStart.column,
screenPosEnd.row, screenPosEnd.column
);
};
this.moveBy = function(row, column) {
this.start.row += row;
this.start.column += column;
this.end.row += row;
this.end.column += column;
};
}).call(Range.prototype);
Range.fromPoints = function(start, end) {
return new Range(start.row, start.column, end.row, end.column);
};
Range.comparePoints = comparePoints;
Range.comparePoints = function(p1, p2) {
return p1.row - p2.row || p1.column - p2.column;
};
exports.Range = Range;
});
ace.define('ace/anchor', ["require", 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter'], function(acequire, exports, module) {
var oop = acequire("./lib/oop");
var EventEmitter = acequire("./lib/event_emitter").EventEmitter;
var Anchor = exports.Anchor = function(doc, row, column) {
this.document = doc;
if (typeof column == "undefined")
this.setPosition(row.row, row.column);
else
this.setPosition(row, column);
this.$onChange = this.onChange.bind(this);
doc.on("change", this.$onChange);
};
(function() {
oop.implement(this, EventEmitter);
this.getPosition = function() {
return this.$clipPositionToDocument(this.row, this.column);
};
this.getDocument = function() {
return this.document;
};
this.onChange = function(e) {
var delta = e.data;
var range = delta.range;
if (range.start.row == range.end.row && range.start.row != this.row)
return;
if (range.start.row > this.row)
return;
if (range.start.row == this.row && range.start.column > this.column)
return;
var row = this.row;
var column = this.column;
var start = range.start;
var end = range.end;
if (delta.action === "insertText") {
if (start.row === row && start.column <= column) {
if (start.row === end.row) {
column += end.column - start.column;
} else {
column -= start.column;
row += end.row - start.row;
}
} else if (start.row !== end.row && start.row < row) {
row += end.row - start.row;
}
} else if (delta.action === "insertLines") {
if (start.row <= row) {
row += end.row - start.row;
}
} else if (delta.action === "removeText") {
if (start.row === row && start.column < column) {
if (end.column >= column)
column = start.column;
else
column = Math.max(0, column - (end.column - start.column));
} else if (start.row !== end.row && start.row < row) {
if (end.row === row)
column = Math.max(0, column - end.column) + start.column;
row -= (end.row - start.row);
} else if (end.row === row) {
row -= end.row - start.row;
column = Math.max(0, column - end.column) + start.column;
}
} else if (delta.action == "removeLines") {
if (start.row <= row) {
if (end.row <= row)
row -= end.row - start.row;
else {
row = start.row;
column = 0;
}
}
}
this.setPosition(row, column, true);
};
this.setPosition = function(row, column, noClip) {
var pos;
if (noClip) {
pos = {
row: row,
column: column
};
} else {
pos = this.$clipPositionToDocument(row, column);
}
if (this.row == pos.row && this.column == pos.column)
return;
var old = {
row: this.row,
column: this.column
};
this.row = pos.row;
this.column = pos.column;
this._emit("change", {
old: old,
value: pos
});
};
this.detach = function() {
this.document.removeEventListener("change", this.$onChange);
};
this.$clipPositionToDocument = function(row, column) {
var pos = {};
if (row >= this.document.getLength()) {
pos.row = Math.max(0, this.document.getLength() - 1);
pos.column = this.document.getLine(pos.row).length;
}
else if (row < 0) {
pos.row = 0;
pos.column = 0;
}
else {
pos.row = row;
pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
}
if (column < 0)
pos.column = 0;
return pos;
};
}).call(Anchor.prototype);
});
ace.define('ace/lib/lang', ["require", 'exports', 'module' ], function(acequire, exports, module) {
exports.stringReverse = function(string) {
return string.split("").reverse().join("");
};
exports.stringRepeat = function (string, count) {
var result = '';
while (count > 0) {
if (count & 1)
result += string;
if (count >>= 1)
string += string;
}
return result;
};
var trimBeginRegexp = /^\s\s*/;
var trimEndRegexp = /\s\s*$/;
exports.stringTrimLeft = function (string) {
return string.replace(trimBeginRegexp, '');
};
exports.stringTrimRight = function (string) {
return string.replace(trimEndRegexp, '');
};
exports.copyObject = function(obj) {
var copy = {};
for (var key in obj) {
copy[key] = obj[key];
}
return copy;
};
exports.copyArray = function(array){
var copy = [];
for (var i=0, l=array.length; i<l; i++) {
if (array[i] && typeof array[i] == "object")
copy[i] = this.copyObject( array[i] );
else
copy[i] = array[i];
}
return copy;
};
exports.deepCopy = function (obj) {
if (typeof obj != "object") {
return obj;
}
var copy = obj.constructor();
for (var key in obj) {
if (typeof obj[key] == "object") {
copy[key] = this.deepCopy(obj[key]);
} else {
copy[key] = obj[key];
}
}
return copy;
};
exports.arrayToMap = function(arr) {
var map = {};
for (var i=0; i<arr.length; i++) {
map[arr[i]] = 1;
}
return map;
};
exports.createMap = function(props) {
var map = Object.create(null);
for (var i in props) {
map[i] = props[i];
}
return map;
};
exports.arrayRemove = function(array, value) {
for (var i = 0; i <= array.length; i++) {
if (value === array[i]) {
array.splice(i, 1);
}
}
};
exports.escapeRegExp = function(str) {
return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
};
exports.escapeHTML = function(str) {
return str.replace(/&/g, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
};
exports.getMatchOffsets = function(string, regExp) {
var matches = [];
string.replace(regExp, function(str) {
matches.push({
offset: arguments[arguments.length-2],
length: str.length
});
});
return matches;
};
exports.deferredCall = function(fcn) {
var timer = null;
var callback = function() {
timer = null;
fcn();
};
var deferred = function(timeout) {
deferred.cancel();
timer = setTimeout(callback, timeout || 0);
return deferred;
};
deferred.schedule = deferred;
deferred.call = function() {
this.cancel();
fcn();
return deferred;
};
deferred.cancel = function() {
clearTimeout(timer);
timer = null;
return deferred;
};
return deferred;
};
exports.delayedCall = function(fcn, defaultTimeout) {
var timer = null;
var callback = function() {
timer = null;
fcn();
};
var _self = function(timeout) {
timer && clearTimeout(timer);
timer = setTimeout(callback, timeout || defaultTimeout);
};
_self.delay = _self;
_self.schedule = function(timeout) {
if (timer == null)
timer = setTimeout(callback, timeout || 0);
};
_self.call = function() {
this.cancel();
fcn();
};
_self.cancel = function() {
timer && clearTimeout(timer);
timer = null;
};
_self.isPending = function() {
return timer;
};
return _self;
};
});
ace.define('ace/mode/javascript/jshint', ["require", 'exports', 'module' ], function(acequire, exports, module) {
var JSHINT = (function () {
var anonname, // The guessed name for anonymous functions.
bang = {
"<" : true,
"<=" : true,
"==" : true,
"===": true,
"!==": true,
"!=" : true,
">" : true,
">=" : true,
"+" : true,
"-" : true,
"*" : true,
"/" : true,
"%" : true
},
boolOptions = {
asi : true, // if automatic semicolon insertion should be tolerated
bitwise : true, // if bitwise operators should not be allowed
boss : true, // if advanced usage of assignments should be allowed
browser : true, // if the standard browser globals should be predefined
camelcase : true, // if identifiers should be acequired in camel case
couch : true, // if CouchDB globals should be predefined
curly : true, // if curly braces around all blocks should be acequired
debug : true, // if debugger statements should be allowed
devel : true, // if logging globals should be predefined (console,
dojo : true, // if Dojo Toolkit globals should be predefined
eqeqeq : true, // if === should be acequired
eqnull : true, // if == null comparisons should be tolerated
es5 : true, // if ES5 syntax should be allowed
esnext : true, // if es.next specific syntax should be allowed
evil : true, // if eval should be allowed
expr : true, // if ExpressionStatement should be allowed as Programs
forin : true, // if for in statements must filter
funcscope : true, // if only function scope should be used for scope tests
globalstrict: true, // if global should be allowed (also
immed : true, // if immediate invocations must be wrapped in parens
iterator : true, // if the `__iterator__` property should be allowed
jquery : true, // if jQuery globals should be predefined
lastsemic : true, // if semicolons may be ommitted for the trailing
latedef : true, // if the use before definition should not be tolerated
laxbreak : true, // if line breaks should not be checked
laxcomma : true, // if line breaks should not be checked around commas
loopfunc : true, // if functions should be allowed to be defined within
mootools : true, // if MooTools globals should be predefined
multistr : true, // allow multiline strings
newcap : true, // if constructor names must be capitalized
noarg : true, // if arguments.caller and arguments.callee should be
node : true, // if the Node.js environment globals should be
noempty : true, // if empty blocks should be disallowed
nonew : true, // if using `new` for side-effects should be disallowed
nonstandard : true, // if non-standard (but widely adopted) globals should
nomen : true, // if names should be checked
onevar : true, // if only one var statement per function should be
onecase : true, // if one case switch statements should be allowed
passfail : true, // if the scan should stop on first error
plusplus : true, // if increment/decrement should not be allowed
proto : true, // if the `__proto__` property should be allowed
prototypejs : true, // if Prototype and Scriptaculous globals should be
regexdash : true, // if unescaped first/last dash (-) inside brackets
regexp : true, // if the . should not be allowed in regexp literals
rhino : true, // if the Rhino environment globals should be predefined
undef : true, // if variables should be declared before used
unused : true, // if variables should be always used
scripturl : true, // if script-targeted URLs should be tolerated
shadow : true, // if variable shadowing should be tolerated
smarttabs : true, // if smarttabs should be tolerated
strict : true, // acequire the pragma
sub : true, // if all forms of subscript notation are tolerated
supernew : true, // if `new function () { ... };` and `new Object;`
trailing : true, // if trailing whitespace rules apply
validthis : true, // if 'this' inside a non-constructor function is valid.
withstmt : true, // if with statements should be allowed
white : true, // if strict whitespace rules apply
worker : true, // if Web Worker script symbols should be allowed
wsh : true, // if the Windows Scripting Host environment globals
yui : true // YUI variables should be predefined
},
valOptions = {
maxlen : false,
indent : false,
maxerr : false,
predef : false,
quotmark : false, //'single'|'double'|true
scope : false,
maxstatements: false, // {int} max statements per function
maxdepth : false, // {int} max nested block depth per function
maxparams : false, // {int} max params per function
maxcomplexity: false // {int} max cyclomatic complexity per function
},
invertedOptions = {
bitwise : true,
forin : true,
newcap : true,
nomen : true,
plusplus : true,
regexp : true,
undef : true,
white : true,
eqeqeq : true,
onevar : true
},
renamedOptions = {
eqeq : "eqeqeq",
vars : "onevar",
windows : "wsh"
},
browser = {
ArrayBuffer : false,
ArrayBufferView : false,
Audio : false,
Blob : false,
addEventListener : false,
applicationCache : false,
atob : false,
blur : false,
btoa : false,
clearInterval : false,
clearTimeout : false,
close : false,
closed : false,
DataView : false,
DOMParser : false,
defaultStatus : false,
document : false,
event : false,
FileReader : false,
Float32Array : false,
Float64Array : false,
FormData : false,
focus : false,
frames : false,
getComputedStyle : false,
HTMLElement : false,
HTMLAnchorElement : false,
HTMLBaseElement : false,
HTMLBlockquoteElement : false,
HTMLBodyElement : false,
HTMLBRElement : false,
HTMLButtonElement : false,
HTMLCanvasElement : false,
HTMLDirectoryElement : false,
HTMLDivElement : false,
HTMLDListElement : false,
HTMLFieldSetElement : false,
HTMLFontElement : false,
HTMLFormElement : false,
HTMLFrameElement : false,
HTMLFrameSetElement : false,
HTMLHeadElement : false,
HTMLHeadingElement : false,
HTMLHRElement : false,
HTMLHtmlElement : false,
HTMLIFrameElement : false,
HTMLImageElement : false,
HTMLInputElement : false,
HTMLIsIndexElement : false,
HTMLLabelElement : false,
HTMLLayerElement : false,
HTMLLegendElement : false,
HTMLLIElement : false,
HTMLLinkElement : false,
HTMLMapElement : false,
HTMLMenuElement : false,
HTMLMetaElement : false,
HTMLModElement : false,
HTMLObjectElement : false,
HTMLOListElement : false,
HTMLOptGroupElement : false,
HTMLOptionElement : false,
HTMLParagraphElement : false,
HTMLParamElement : false,
HTMLPreElement : false,
HTMLQuoteElement : false,
HTMLScriptElement : false,
HTMLSelectElement : false,
HTMLStyleElement : false,
HTMLTableCaptionElement : false,
HTMLTableCellElement : false,
HTMLTableColElement : false,
HTMLTableElement : false,
HTMLTableRowElement : false,
HTMLTableSectionElement : false,
HTMLTextAreaElement : false,
HTMLTitleElement : false,
HTMLUListElement : false,
HTMLVideoElement : false,
history : false,
Int16Array : false,
Int32Array : false,
Int8Array : false,
Image : false,
length : false,
localStorage : false,
location : false,
MessageChannel : false,
MessageEvent : false,
MessagePort : false,
moveBy : false,
moveTo : false,
MutationObserver : false,
name : false,
Node : false,
NodeFilter : false,
navigator : false,
onbeforeunload : true,
onblur : true,
onerror : true,
onfocus : true,
onload : true,
onresize : true,
onunload : true,
open : false,
openDatabase : false,
opener : false,
Option : false,
parent : false,
print : false,
removeEventListener : false,
resizeBy : false,
resizeTo : false,
screen : false,
scroll : false,
scrollBy : false,
scrollTo : false,
sessionStorage : false,
setInterval : false,
setTimeout : false,
SharedWorker : false,
status : false,
top : false,
Uint16Array : false,
Uint32Array : false,
Uint8Array : false,
WebSocket : false,
window : false,
Worker : false,
XMLHttpRequest : false,
XMLSerializer : false,
XPathEvaluator : false,
XPathException : false,
XPathExpression : false,
XPathNamespace : false,
XPathNSResolver : false,
XPathResult : false
},
couch = {
"require" : false,
respond : false,
getRow : false,
emit : false,
send : false,
start : false,
sum : false,
log : false,
exports : false,
module : false,
provides : false
},
declared, // Globals that were declared using /*global ... */ syntax.
devel = {
alert : false,
confirm : false,
console : false,
Debug : false,
opera : false,
prompt : false
},
dojo = {
dojo : false,
dijit : false,
dojox : false,
define : false,
"require" : false
},
funct, // The current function
functionicity = [
"closure", "exception", "global", "label",
"outer", "unused", "var"
],
functions, // All of the functions
global, // The global scope
implied, // Implied globals
inblock,
indent,
jsonmode,
jquery = {
"$" : false,
jQuery : false
},
lines,
lookahead,
member,
membersOnly,
mootools = {
"$" : false,
"$$" : false,
Asset : false,
Browser : false,
Chain : false,
Class : false,
Color : false,
Cookie : false,
Core : false,
Document : false,
DomReady : false,
DOMEvent : false,
DOMReady : false,
Drag : false,
Element : false,
Elements : false,
Event : false,
Events : false,
Fx : false,
Group : false,
Hash : false,
HtmlTable : false,
Iframe : false,
IframeShim : false,
InputValidator : false,
instanceOf : false,
Keyboard : false,
Locale : false,
Mask : false,
MooTools : false,
Native : false,
Options : false,
OverText : false,
Request : false,
Scroller : false,
Slick : false,
Slider : false,
Sortables : false,
Spinner : false,
Swiff : false,
Tips : false,
Type : false,
typeOf : false,
URI : false,
Window : false
},
nexttoken,
node = {
__filename : false,
__dirname : false,
Buffer : false,
console : false,
exports : true, // In Node it is ok to exports = module.exports = foo();
GLOBAL : false,
global : false,
module : false,
process : false,
acequire : false,
setTimeout : false,
clearTimeout : false,
setInterval : false,
clearInterval : false
},
noreach,
option,
predefined, // Global variables defined by option
prereg,
prevtoken,
prototypejs = {
"$" : false,
"$$" : false,
"$A" : false,
"$F" : false,
"$H" : false,
"$R" : false,
"$break" : false,
"$continue" : false,
"$w" : false,
Abstract : false,
Ajax : false,
Class : false,
Enumerable : false,
Element : false,
Event : false,
Field : false,
Form : false,
Hash : false,
Insertion : false,
ObjectRange : false,
PeriodicalExecuter: false,
Position : false,
Prototype : false,
Selector : false,
Template : false,
Toggle : false,
Try : false,
Autocompleter : false,
Builder : false,
Control : false,
Draggable : false,
Draggables : false,
Droppables : false,
Effect : false,
Sortable : false,
SortableObserver : false,
Sound : false,
Scriptaculous : false
},
quotmark,
rhino = {
defineClass : false,
deserialize : false,
gc : false,
help : false,
importPackage: false,
"java" : false,
load : false,
loadClass : false,
print : false,
quit : false,
readFile : false,
readUrl : false,
runCommand : false,
seal : false,
serialize : false,
spawn : false,
sync : false,
toint32 : false,
version : false
},
scope, // The current scope
stack,
standard = {
Array : false,
Boolean : false,
Date : false,
decodeURI : false,
decodeURIComponent : false,
encodeURI : false,
encodeURIComponent : false,
Error : false,
"eval" : false,
EvalError : false,
Function : false,
hasOwnProperty : false,
isFinite : false,
isNaN : false,
JSON : false,
Map : false,
Math : false,
NaN : false,
Number : false,
Object : false,
parseInt : false,
parseFloat : false,
RangeError : false,
ReferenceError : false,
RegExp : false,
Set : false,
String : false,
SyntaxError : false,
TypeError : false,
URIError : false,
WeakMap : false
},
nonstandard = {
escape : false,
unescape : false
},
directive,
syntax = {},
tab,
token,
unuseds,
urls,
useESNextSyntax,
warnings,
worker = {
importScripts : true,
postMessage : true,
self : true
},
wsh = {
ActiveXObject : true,
Enumerator : true,
GetObject : true,
ScriptEngine : true,
ScriptEngineBuildVersion : true,
ScriptEngineMajorVersion : true,
ScriptEngineMinorVersion : true,
VBArray : true,
WSH : true,
WScript : true,
XDomainRequest : true
},
yui = {
YUI : false,
Y : false,
YUI_config : false
};
var ax, cx, tx, nx, nxg, lx, ix, jx, ft;
(function () {
ax = /@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
cx = /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
tx = /^\s*([(){}\[.,:;'"~\?\]#@]|==?=?|\/=(?!(\S*\/[gim]?))|\/(\*(jshint|jslint|members?|global)?|\/)?|\*[\/=]?|\+(?:=|\++)?|-(?:=|-+)?|%=?|&[&=]?|\|[|=]?|>>?>?=?|<([\/=!]|\!(\[|--)?|<=?)?|\^=?|\!=?=?|[a-zA-Z_$][a-zA-Z0-9_$]*|[0-9]+([xX][0-9a-fA-F]+|\.[0-9]*)?([eE][+\-]?[0-9]+)?)/;
nx = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
nxg = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
lx = /\*\//;
ix = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
jx = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
ft = /^\s*\/\*\s*falls\sthrough\s*\*\/\s*$/;
}());
function F() {} // Used by Object.create
function is_own(object, name) {
return Object.prototype.hasOwnProperty.call(object, name);
}
function checkOption(name, t) {
if (valOptions[name] === undefined && boolOptions[name] === undefined) {
warning("Bad option: '" + name + "'.", t);
}
}
function isString(obj) {
return Object.prototype.toString.call(obj) === "[object String]";
}
if (typeof Array.isArray !== "function") {
Array.isArray = function (o) {
return Object.prototype.toString.apply(o) === "[object Array]";
};
}
if (!Array.prototype.forEach) {
Array.prototype.forEach = function (fn, scope) {
var len = this.length;
for (var i = 0; i < len; i++) {
fn.call(scope || this, this[i], i, this);
}
};
}
if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function (searchElement /*, fromIndex */ ) {
if (this === null || this === undefined) {
throw new TypeError();
}
var t = new Object(this);
var len = t.length >>> 0;
if (len === 0) {
return -1;
}
var n = 0;
if (arguments.length > 0) {
n = Number(arguments[1]);
if (n != n) { // shortcut for verifying if it's NaN
n = 0;
} else if (n !== 0 && n != Infinity && n != -Infinity) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
}
if (n >= len) {
return -1;
}
var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
for (; k < len; k++) {
if (k in t && t[k] === searchElement) {
return k;
}
}
return -1;
};
}
if (typeof Object.create !== "function") {
Object.create = function (o) {
F.prototype = o;
return new F();
};
}
if (typeof Object.keys !== "function") {
Object.keys = function (o) {
var a = [], k;
for (k in o) {
if (is_own(o, k)) {
a.push(k);
}
}
return a;
};
}
function isAlpha(str) {
return (str >= "a" && str <= "z\uffff") ||
(str >= "A" && str <= "Z\uffff");
}
function isDigit(str) {
return (str >= "0" && str <= "9");
}
function isIdentifier(token, value) {
if (!token)
return false;
if (!token.identifier || token.value !== value)
return false;
return true;
}
function supplant(str, data) {
return str.replace(/\{([^{}]*)\}/g, function (a, b) {
var r = data[b];
return typeof r === "string" || typeof r === "number" ? r : a;
});
}
function combine(t, o) {
var n;
for (n in o) {
if (is_own(o, n) && !is_own(JSHINT.blacklist, n)) {
t[n] = o[n];
}
}
}
function updatePredefined() {
Object.keys(JSHINT.blacklist).forEach(function (key) {
delete predefined[key];
});
}
function assume() {
if (option.couch) {
combine(predefined, couch);
}
if (option.rhino) {
combine(predefined, rhino);
}
if (option.prototypejs) {
combine(predefined, prototypejs);
}
if (option.node) {
combine(predefined, node);
option.globalstrict = true;
}
if (option.devel) {
combine(predefined, devel);
}
if (option.dojo) {
combine(predefined, dojo);
}
if (option.browser) {
combine(predefined, browser);
}
if (option.nonstandard) {
combine(predefined, nonstandard);
}
if (option.jquery) {
combine(predefined, jquery);
}
if (option.mootools) {
combine(predefined, mootools);
}
if (option.worker) {
combine(predefined, worker);
}
if (option.wsh) {
combine(predefined, wsh);
}
if (option.esnext) {
useESNextSyntax();
}
if (option.globalstrict && option.strict !== false) {
option.strict = true;
}
if (option.yui) {
combine(predefined, yui);
}
}
function quit(message, line, chr) {
var percentage = Math.floor((line / lines.length) * 100);
throw {
name: "JSHintError",
line: line,
character: chr,
message: message + " (" + percentage + "% scanned).",
raw: message
};
}
function isundef(scope, m, t, a) {
return JSHINT.undefs.push([scope, m, t, a]);
}
function warning(m, t, a, b, c, d) {
var ch, l, w;
t = t || nexttoken;
if (t.id === "(end)") { // `~
t = token;
}
l = t.line || 0;
ch = t.from || 0;
w = {
id: "(error)",
raw: m,
evidence: lines[l - 1] || "",
line: l,
character: ch,
scope: JSHINT.scope,
a: a,
b: b,
c: c,
d: d
};
w.reason = supplant(m, w);
JSHINT.errors.push(w);
if (option.passfail) {
quit("Stopping. ", l, ch);
}
warnings += 1;
if (warnings >= option.maxerr) {
quit("Too many errors.", l, ch);
}
return w;
}
function warningAt(m, l, ch, a, b, c, d) {
return warning(m, {
line: l,
from: ch
}, a, b, c, d);
}
function error(m, t, a, b, c, d) {
warning(m, t, a, b, c, d);
}
function errorAt(m, l, ch, a, b, c, d) {
return error(m, {
line: l,
from: ch
}, a, b, c, d);
}
function addInternalSrc(elem, src) {
var i;
i = {
id: "(internal)",
elem: elem,
value: src
};
JSHINT.internals.push(i);
return i;
}
var lex = (function lex() {
var character, from, line, s;
function nextLine() {
var at,
match,
tw; // trailing whitespace check
if (line >= lines.length)
return false;
character = 1;
s = lines[line];
line += 1;
if (option.smarttabs) {
match = s.match(/(\/\/)? \t/);
at = match && !match[1] ? 0 : -1;
} else {
at = s.search(/ \t|\t [^\*]/);
}
if (at >= 0)
warningAt("Mixed spaces and tabs.", line, at + 1);
s = s.replace(/\t/g, tab);
at = s.search(cx);
if (at >= 0)
warningAt("Unsafe character.", line, at);
if (option.maxlen && option.maxlen < s.length)
warningAt("Line too long.", line, s.length);
tw = option.trailing && s.match(/^(.*?)\s+$/);
if (tw && !/^\s+$/.test(s)) {
warningAt("Trailing whitespace.", line, tw[1].length + 1);
}
return true;
}
function it(type, value) {
var i, t;
function checkName(name) {
if (!option.proto && name === "__proto__") {
warningAt("The '{a}' property is deprecated.", line, from, name);
return;
}
if (!option.iterator && name === "__iterator__") {
warningAt("'{a}' is only available in JavaScript 1.7.", line, from, name);
return;
}
var hasDangling = /^(_+.*|.*_+)$/.test(name);
if (option.nomen && hasDangling && name !== "_") {
if (option.node && token.id !== "." && /^(__dirname|__filename)$/.test(name))
return;
warningAt("Unexpected {a} in '{b}'.", line, from, "dangling '_'", name);
return;
}
if (option.camelcase) {
if (name.replace(/^_+/, "").indexOf("_") > -1 && !name.match(/^[A-Z0-9_]*$/)) {
warningAt("Identifier '{a}' is not in camel case.", line, from, value);
}
}
}
if (type === "(color)" || type === "(range)") {
t = {type: type};
} else if (type === "(punctuator)" ||
(type === "(identifier)" && is_own(syntax, value))) {
t = syntax[value] || syntax["(error)"];
} else {
t = syntax[type];
}
t = Object.create(t);
if (type === "(string)" || type === "(range)") {
if (!option.scripturl && jx.test(value)) {
warningAt("Script URL.", line, from);
}
}
if (type === "(identifier)") {
t.identifier = true;
checkName(value);
}
t.value = value;
t.line = line;
t.character = character;
t.from = from;
i = t.id;
if (i !== "(endline)") {
prereg = i &&
(("(,=:[!&|?{};".indexOf(i.charAt(i.length - 1)) >= 0) ||
i === "return" ||
i === "case");
}
return t;
}
return {
init: function (source) {
if (typeof source === "string") {
lines = source
.replace(/\r\n/g, "\n")
.replace(/\r/g, "\n")
.split("\n");
} else {
lines = source;
}
if (lines[0] && lines[0].substr(0, 2) === "#!")
lines[0] = "";
line = 0;
nextLine();
from = 1;
},
range: function (begin, end) {
var c, value = "";
from = character;
if (s.charAt(0) !== begin) {
errorAt("Expected '{a}' and instead saw '{b}'.",
line, character, begin, s.charAt(0));
}
for (;;) {
s = s.slice(1);
character += 1;
c = s.charAt(0);
switch (c) {
case "":
errorAt("Missing '{a}'.", line, character, c);
break;
case end:
s = s.slice(1);
character += 1;
return it("(range)", value);
case "\\":
warningAt("Unexpected '{a}'.", line, character, c);
}
value += c;
}
},
token: function () {
var b, c, captures, d, depth, high, i, l, low, q, t, isLiteral, isInRange, n;
function match(x) {
var r = x.exec(s), r1;
if (r) {
l = r[0].length;
r1 = r[1];
c = r1.charAt(0);
s = s.substr(l);
from = character + l - r1.length;
character += l;
return r1;
}
}
function string(x) {
var c, j, r = "", allowNewLine = false;
if (jsonmode && x !== "\"") {
warningAt("Strings must use doublequote.",
line, character);
}
if (option.quotmark) {
if (option.quotmark === "single" && x !== "'") {
warningAt("Strings must use singlequote.",
line, character);
} else if (option.quotmark === "double" && x !== "\"") {
warningAt("Strings must use doublequote.",
line, character);
} else if (option.quotmark === true) {
quotmark = quotmark || x;
if (quotmark !== x) {
warningAt("Mixed double and single quotes.",
line, character);
}
}
}
function esc(n) {
var i = parseInt(s.substr(j + 1, n), 16);
j += n;
if (i >= 32 && i <= 126 &&
i !== 34 && i !== 92 && i !== 39) {
warningAt("Unnecessary escapement.", line, character);
}
character += n;
c = String.fromCharCode(i);
}
j = 0;
unclosedString:
for (;;) {
while (j >= s.length) {
j = 0;
var cl = line, cf = from;
if (!nextLine()) {
errorAt("Unclosed string.", cl, cf);
break unclosedString;
}
if (allowNewLine) {
allowNewLine = false;
} else {
warningAt("Unclosed string.", cl, cf);
}
}
c = s.charAt(j);
if (c === x) {
character += 1;
s = s.substr(j + 1);
return it("(string)", r, x);
}
if (c < " ") {
if (c === "\n" || c === "\r") {
break;
}
warningAt("Control character in string: {a}.",
line, character + j, s.slice(0, j));
} else if (c === "\\") {
j += 1;
character += 1;
c = s.charAt(j);
n = s.charAt(j + 1);
switch (c) {
case "\\":
case "\"":
case "/":
break;
case "\'":
if (jsonmode) {
warningAt("Avoid \\'.", line, character);
}
break;
case "b":
c = "\b";
break;
case "f":
c = "\f";
break;
case "n":
c = "\n";
break;
case "r":
c = "\r";
break;
case "t":
c = "\t";
break;
case "0":
c = "\0";
if (n >= 0 && n <= 7 && directive["use strict"]) {
warningAt(
"Octal literals are not allowed in strict mode.",
line, character);
}
break;
case "u":
esc(4);
break;
case "v":
if (jsonmode) {
warningAt("Avoid \\v.", line, character);
}
c = "\v";
break;
case "x":
if (jsonmode) {
warningAt("Avoid \\x-.", line, character);
}
esc(2);
break;
case "":
allowNewLine = true;
if (option.multistr) {
if (jsonmode) {
warningAt("Avoid EOL escapement.", line, character);
}
c = "";
character -= 1;
break;
}
warningAt("Bad escapement of EOL. Use option multistr if needed.",
line, character);
break;
case "!":
if (s.charAt(j - 2) === "<")
break;
default:
warningAt("Bad escapement.", line, character);
}
}
r += c;
character += 1;
j += 1;
}
}
for (;;) {
if (!s) {
return it(nextLine() ? "(endline)" : "(end)", "");
}
t = match(tx);
if (!t) {
t = "";
c = "";
while (s && s < "!") {
s = s.substr(1);
}
if (s) {
errorAt("Unexpected '{a}'.", line, character, s.substr(0, 1));
s = "";
}
} else {
if (isAlpha(c) || c === "_" || c === "$") {
return it("(identifier)", t);
}
if (isDigit(c)) {
if (!isFinite(Number(t))) {
warningAt("Bad number '{a}'.",
line, character, t);
}
if (isAlpha(s.substr(0, 1))) {
warningAt("Missing space after '{a}'.",
line, character, t);
}
if (c === "0") {
d = t.substr(1, 1);
if (isDigit(d)) {
if (token.id !== ".") {
warningAt("Don't use extra leading zeros '{a}'.",
line, character, t);
}
} else if (jsonmode && (d === "x" || d === "X")) {
warningAt("Avoid 0x-. '{a}'.",
line, character, t);
}
}
if (t.substr(t.length - 1) === ".") {
warningAt(
"A trailing decimal point can be confused with a dot '{a}'.", line, character, t);
}
return it("(number)", t);
}
switch (t) {
case "\"":
case "'":
return string(t);
case "//":
s = "";
token.comment = true;
break;
case "/*":
for (;;) {
i = s.search(lx);
if (i >= 0) {
break;
}
if (!nextLine()) {
errorAt("Unclosed comment.", line, character);
}
}
s = s.substr(i + 2);
token.comment = true;
break;
case "/*members":
case "/*member":
case "/*jshint":
case "/*jslint":
case "/*global":
case "*/":
return {
value: t,
type: "special",
line: line,
character: character,
from: from
};
case "":
break;
case "/":
if (s.charAt(0) === "=") {
errorAt("A regular expression literal can be confused with '/='.",
line, from);
}
if (prereg) {
depth = 0;
captures = 0;
l = 0;
for (;;) {
b = true;
c = s.charAt(l);
l += 1;
switch (c) {
case "":
errorAt("Unclosed regular expression.", line, from);
return quit("Stopping.", line, from);
case "/":
if (depth > 0) {
warningAt("{a} unterminated regular expression " +
"group(s).", line, from + l, depth);
}
c = s.substr(0, l - 1);
q = {
g: true,
i: true,
m: true
};
while (q[s.charAt(l)] === true) {
q[s.charAt(l)] = false;
l += 1;
}
character += l;
s = s.substr(l);
q = s.charAt(0);
if (q === "/" || q === "*") {
errorAt("Confusing regular expression.",
line, from);
}
return it("(regexp)", c);
case "\\":
c = s.charAt(l);
if (c < " ") {
warningAt(
"Unexpected control character in regular expression.", line, from + l);
} else if (c === "<") {
warningAt(
"Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
}
l += 1;
break;
case "(":
depth += 1;
b = false;
if (s.charAt(l) === "?") {
l += 1;
switch (s.charAt(l)) {
case ":":
case "=":
case "!":
l += 1;
break;
default:
warningAt(
"Expected '{a}' and instead saw '{b}'.", line, from + l, ":", s.charAt(l));
}
} else {
captures += 1;
}
break;
case "|":
b = false;
break;
case ")":
if (depth === 0) {
warningAt("Unescaped '{a}'.",
line, from + l, ")");
} else {
depth -= 1;
}
break;
case " ":
q = 1;
while (s.charAt(l) === " ") {
l += 1;
q += 1;
}
if (q > 1) {
warningAt(
"Spaces are hard to count. Use {{a}}.", line, from + l, q);
}
break;
case "[":
c = s.charAt(l);
if (c === "^") {
l += 1;
if (s.charAt(l) === "]") {
errorAt("Unescaped '{a}'.",
line, from + l, "^");
}
}
if (c === "]") {
warningAt("Empty class.", line,
from + l - 1);
}
isLiteral = false;
isInRange = false;
klass:
do {
c = s.charAt(l);
l += 1;
switch (c) {
case "[":
case "^":
warningAt("Unescaped '{a}'.",
line, from + l, c);
if (isInRange) {
isInRange = false;
} else {
isLiteral = true;
}
break;
case "-":
if (isLiteral && !isInRange) {
isLiteral = false;
isInRange = true;
} else if (isInRange) {
isInRange = false;
} else if (s.charAt(l) === "]") {
isInRange = true;
} else {
if (option.regexdash !== (l === 2 || (l === 3 &&
s.charAt(1) === "^"))) {
warningAt("Unescaped '{a}'.",
line, from + l - 1, "-");
}
isLiteral = true;
}
break;
case "]":
if (isInRange && !option.regexdash) {
warningAt("Unescaped '{a}'.",
line, from + l - 1, "-");
}
break klass;
case "\\":
c = s.charAt(l);
if (c < " ") {
warningAt(
"Unexpected control character in regular expression.", line, from + l);
} else if (c === "<") {
warningAt(
"Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
}
l += 1;
if (/[wsd]/i.test(c)) {
if (isInRange) {
warningAt("Unescaped '{a}'.",
line, from + l, "-");
isInRange = false;
}
isLiteral = false;
} else if (isInRange) {
isInRange = false;
} else {
isLiteral = true;
}
break;
case "/":
warningAt("Unescaped '{a}'.",
line, from + l - 1, "/");
if (isInRange) {
isInRange = false;
} else {
isLiteral = true;
}
break;
case "<":
if (isInRange) {
isInRange = false;
} else {
isLiteral = true;
}
break;
default:
if (isInRange) {
isInRange = false;
} else {
isLiteral = true;
}
}
} while (c);
break;
case ".":
if (option.regexp) {
warningAt("Insecure '{a}'.", line,
from + l, c);
}
break;
case "]":
case "?":
case "{":
case "}":
case "+":
case "*":
warningAt("Unescaped '{a}'.", line,
from + l, c);
}
if (b) {
switch (s.charAt(l)) {
case "?":
case "+":
case "*":
l += 1;
if (s.charAt(l) === "?") {
l += 1;
}
break;
case "{":
l += 1;
c = s.charAt(l);
if (c < "0" || c > "9") {
warningAt(
"Expected a number and instead saw '{a}'.", line, from + l, c);
break; // No reason to continue checking numbers.
}
l += 1;
low = +c;
for (;;) {
c = s.charAt(l);
if (c < "0" || c > "9") {
break;
}
l += 1;
low = +c + (low * 10);
}
high = low;
if (c === ",") {
l += 1;
high = Infinity;
c = s.charAt(l);
if (c >= "0" && c <= "9") {
l += 1;
high = +c;
for (;;) {
c = s.charAt(l);
if (c < "0" || c > "9") {
break;
}
l += 1;
high = +c + (high * 10);
}
}
}
if (s.charAt(l) !== "}") {
warningAt(
"Expected '{a}' and instead saw '{b}'.", line, from + l, "}", c);
} else {
l += 1;
}
if (s.charAt(l) === "?") {
l += 1;
}
if (low > high) {
warningAt(
"'{a}' should not be greater than '{b}'.", line, from + l, low, high);
}
}
}
}
c = s.substr(0, l - 1);
character += l;
s = s.substr(l);
return it("(regexp)", c);
}
return it("(punctuator)", t);
case "#":
return it("(punctuator)", t);
default:
return it("(punctuator)", t);
}
}
}
}
};
}());
function addlabel(t, type, token) {
if (t === "hasOwnProperty") {
warning("'hasOwnProperty' is a really bad name.");
}
if (type === "exception") {
if (is_own(funct["(context)"], t)) {
if (funct[t] !== true && !option.node) {
warning("Value of '{a}' may be overwritten in IE.", nexttoken, t);
}
}
}
if (is_own(funct, t) && !funct["(global)"]) {
if (funct[t] === true) {
if (option.latedef)
warning("'{a}' was used before it was defined.", nexttoken, t);
} else {
if (!option.shadow && type !== "exception") {
warning("'{a}' is already defined.", nexttoken, t);
}
}
}
funct[t] = type;
if (token) {
funct["(tokens)"][t] = token;
}
if (funct["(global)"]) {
global[t] = funct;
if (is_own(implied, t)) {
if (option.latedef)
warning("'{a}' was used before it was defined.", nexttoken, t);
delete implied[t];
}
} else {
scope[t] = funct;
}
}
function doOption() {
var nt = nexttoken;
var o = nt.value;
var quotmarkValue = option.quotmark;
var predef = {};
var b, obj, filter, t, tn, v, minus;
switch (o) {
case "*/":
error("Unbegun comment.");
break;
case "/*members":
case "/*member":
o = "/*members";
if (!membersOnly) {
membersOnly = {};
}
obj = membersOnly;
option.quotmark = false;
break;
case "/*jshint":
case "/*jslint":
obj = option;
filter = boolOptions;
break;
case "/*global":
obj = predef;
break;
default:
error("What?");
}
t = lex.token();
for (;;) {
minus = false;
var breakOuterLoop;
for (;;) {
if (t.type === "special" && t.value === "*/") {
breakOuterLoop = true;
break;
}
if (t.id !== "(endline)" && t.id !== ",") {
break;
}
t = lex.token();
}
if (breakOuterLoop)
break;
if (o === "/*global" && t.value === "-") {
minus = true;
t = lex.token();
}
if (t.type !== "(string)" && t.type !== "(identifier)" && o !== "/*members") {
error("Bad option.", t);
}
v = lex.token();
if (v.id === ":") {
v = lex.token();
if (obj === membersOnly) {
error("Expected '{a}' and instead saw '{b}'.", t, "*/", ":");
}
if (o === "/*jshint") {
checkOption(t.value, t);
}
var numericVals = [
"maxstatements",
"maxparams",
"maxdepth",
"maxcomplexity",
"maxerr",
"maxlen",
"indent"
];
if (numericVals.indexOf(t.value) > -1 && (o === "/*jshint" || o === "/*jslint")) {
b = +v.value;
if (typeof b !== "number" || !isFinite(b) || b <= 0 || Math.floor(b) !== b) {
error("Expected a small integer and instead saw '{a}'.", v, v.value);
}
if (t.value === "indent")
obj.white = true;
obj[t.value] = b;
} else if (t.value === "validthis") {
if (funct["(global)"]) {
error("Option 'validthis' can't be used in a global scope.");
} else {
if (v.value === "true" || v.value === "false")
obj[t.value] = v.value === "true";
else
error("Bad option value.", v);
}
} else if (t.value === "quotmark" && (o === "/*jshint")) {
switch (v.value) {
case "true":
obj.quotmark = true;
break;
case "false":
obj.quotmark = false;
break;
case "double":
case "single":
obj.quotmark = v.value;
break;
default:
error("Bad option value.", v);
}
} else if (v.value === "true" || v.value === "false") {
if (o === "/*jslint") {
tn = renamedOptions[t.value] || t.value;
obj[tn] = v.value === "true";
if (invertedOptions[tn] !== undefined) {
obj[tn] = !obj[tn];
}
} else {
obj[t.value] = v.value === "true";
}
if (t.value === "newcap")
obj["(explicitNewcap)"] = true;
} else {
error("Bad option value.", v);
}
t = lex.token();
} else {
if (o === "/*jshint" || o === "/*jslint") {
error("Missing option value.", t);
}
obj[t.value] = false;
if (o === "/*global" && minus === true) {
JSHINT.blacklist[t.value] = t.value;
updatePredefined();
}
t = v;
}
}
if (o === "/*members") {
option.quotmark = quotmarkValue;
}
combine(predefined, predef);
for (var key in predef) {
if (is_own(predef, key)) {
declared[key] = nt;
}
}
if (filter) {
assume();
}
}
function peek(p) {
var i = p || 0, j = 0, t;
while (j <= i) {
t = lookahead[j];
if (!t) {
t = lookahead[j] = lex.token();
}
j += 1;
}
return t;
}
function advance(id, t) {
switch (token.id) {
case "(number)":
if (nexttoken.id === ".") {
warning("A dot following a number can be confused with a decimal point.", token);
}
break;
case "-":
if (nexttoken.id === "-" || nexttoken.id === "--") {
warning("Confusing minusses.");
}
break;
case "+":
if (nexttoken.id === "+" || nexttoken.id === "++") {
warning("Confusing plusses.");
}
break;
}
if (token.type === "(string)" || token.identifier) {
anonname = token.value;
}
if (id && nexttoken.id !== id) {
if (t) {
if (nexttoken.id === "(end)") {
warning("Unmatched '{a}'.", t, t.id);
} else {
warning("Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
nexttoken, id, t.id, t.line, nexttoken.value);
}
} else if (nexttoken.type !== "(identifier)" ||
nexttoken.value !== id) {
warning("Expected '{a}' and instead saw '{b}'.",
nexttoken, id, nexttoken.value);
}
}
prevtoken = token;
token = nexttoken;
for (;;) {
nexttoken = lookahead.shift() || lex.token();
if (nexttoken.id === "(end)" || nexttoken.id === "(error)") {
return;
}
if (nexttoken.type === "special") {
doOption();
} else {
if (nexttoken.id !== "(endline)") {
break;
}
}
}
}
function expression(rbp, initial) {
var left, isArray = false, isObject = false;
if (nexttoken.id === "(end)")
error("Unexpected early end of program.", token);
advance();
if (initial) {
anonname = "anonymous";
funct["(verb)"] = token.value;
}
if (initial === true && token.fud) {
left = token.fud();
} else {
if (token.nud) {
left = token.nud();
} else {
if (nexttoken.type === "(number)" && token.id === ".") {
warning("A leading decimal point can be confused with a dot: '.{a}'.",
token, nexttoken.value);
advance();
return token;
} else {
error("Expected an identifier and instead saw '{a}'.",
token, token.id);
}
}
while (rbp < nexttoken.lbp) {
isArray = token.value === "Array";
isObject = token.value === "Object";
if (left && (left.value || (left.first && left.first.value))) {
if (left.value !== "new" ||
(left.first && left.first.value && left.first.value === ".")) {
isArray = false;
if (left.value !== token.value) {
isObject = false;
}
}
}
advance();
if (isArray && token.id === "(" && nexttoken.id === ")")
warning("Use the array literal notation [].", token);
if (isObject && token.id === "(" && nexttoken.id === ")")
warning("Use the object literal notation {}.", token);
if (token.led) {
left = token.led(left);
} else {
error("Expected an operator and instead saw '{a}'.",
token, token.id);
}
}
}
return left;
}
function adjacent(left, right) {
left = left || token;
right = right || nexttoken;
if (option.white) {
if (left.character !== right.from && left.line === right.line) {
left.from += (left.character - left.from);
warning("Unexpected space after '{a}'.", left, left.value);
}
}
}
function nobreak(left, right) {
left = left || token;
right = right || nexttoken;
if (option.white && (left.character !== right.from || left.line !== right.line)) {
warning("Unexpected space before '{a}'.", right, right.value);
}
}
function nospace(left, right) {
left = left || token;
right = right || nexttoken;
if (option.white && !left.comment) {
if (left.line === right.line) {
adjacent(left, right);
}
}
}
function nonadjacent(left, right) {
if (option.white) {
left = left || token;
right = right || nexttoken;
if (left.value === ";" && right.value === ";") {
return;
}
if (left.line === right.line && left.character === right.from) {
left.from += (left.character - left.from);
warning("Missing space after '{a}'.",
left, left.value);
}
}
}
function nobreaknonadjacent(left, right) {
left = left || token;
right = right || nexttoken;
if (!option.laxbreak && left.line !== right.line) {
warning("Bad line breaking before '{a}'.", right, right.id);
} else if (option.white) {
left = left || token;
right = right || nexttoken;
if (left.character === right.from) {
left.from += (left.character - left.from);
warning("Missing space after '{a}'.",
left, left.value);
}
}
}
function indentation(bias) {
var i;
if (option.white && nexttoken.id !== "(end)") {
i = indent + (bias || 0);
if (nexttoken.from !== i) {
warning(
"Expected '{a}' to have an indentation at {b} instead at {c}.",
nexttoken, nexttoken.value, i, nexttoken.from);
}
}
}
function nolinebreak(t) {
t = t || token;
if (t.line !== nexttoken.line) {
warning("Line breaking error '{a}'.", t, t.value);
}
}
function comma() {
if (token.line !== nexttoken.line) {
if (!option.laxcomma) {
if (comma.first) {
warning("Comma warnings can be turned off with 'laxcomma'");
comma.first = false;
}
warning("Bad line breaking before '{a}'.", token, nexttoken.id);
}
} else if (!token.comment && token.character !== nexttoken.from && option.white) {
token.from += (token.character - token.from);
warning("Unexpected space after '{a}'.", token, token.value);
}
advance(",");
nonadjacent(token, nexttoken);
}
function symbol(s, p) {
var x = syntax[s];
if (!x || typeof x !== "object") {
syntax[s] = x = {
id: s,
lbp: p,
value: s
};
}
return x;
}
function delim(s) {
return symbol(s, 0);
}
function stmt(s, f) {
var x = delim(s);
x.identifier = x.reserved = true;
x.fud = f;
return x;
}
function blockstmt(s, f) {
var x = stmt(s, f);
x.block = true;
return x;
}
function reserveName(x) {
var c = x.id.charAt(0);
if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
x.identifier = x.reserved = true;
}
return x;
}
function prefix(s, f) {
var x = symbol(s, 150);
reserveName(x);
x.nud = (typeof f === "function") ? f : function () {
this.right = expression(150);
this.arity = "unary";
if (this.id === "++" || this.id === "--") {
if (option.plusplus) {
warning("Unexpected use of '{a}'.", this, this.id);
} else if ((!this.right.identifier || this.right.reserved) &&
this.right.id !== "." && this.right.id !== "[") {
warning("Bad operand.", this);
}
}
return this;
};
return x;
}
function type(s, f) {
var x = delim(s);
x.type = s;
x.nud = f;
return x;
}
function reserve(s, f) {
var x = type(s, f);
x.identifier = x.reserved = true;
return x;
}
function reservevar(s, v) {
return reserve(s, function () {
if (typeof v === "function") {
v(this);
}
return this;
});
}
function infix(s, f, p, w) {
var x = symbol(s, p);
reserveName(x);
x.led = function (left) {
if (!w) {
nobreaknonadjacent(prevtoken, token);
nonadjacent(token, nexttoken);
}
if (s === "in" && left.id === "!") {
warning("Confusing use of '{a}'.", left, "!");
}
if (typeof f === "function") {
return f(left, this);
} else {
this.left = left;
this.right = expression(p);
return this;
}
};
return x;
}
function relation(s, f) {
var x = symbol(s, 100);
x.led = function (left) {
nobreaknonadjacent(prevtoken, token);
nonadjacent(token, nexttoken);
var right = expression(100);
if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
warning("Use the isNaN function to compare with NaN.", this);
} else if (f) {
f.apply(this, [left, right]);
}
if (left.id === "!") {
warning("Confusing use of '{a}'.", left, "!");
}
if (right.id === "!") {
warning("Confusing use of '{a}'.", right, "!");
}
this.left = left;
this.right = right;
return this;
};
return x;
}
function isPoorRelation(node) {
return node &&
((node.type === "(number)" && +node.value === 0) ||
(node.type === "(string)" && node.value === "") ||
(node.type === "null" && !option.eqnull) ||
node.type === "true" ||
node.type === "false" ||
node.type === "undefined");
}
function assignop(s) {
symbol(s, 20).exps = true;
return infix(s, function (left, that) {
that.left = left;
if (predefined[left.value] === false &&
scope[left.value]["(global)"] === true) {
warning("Read only.", left);
} else if (left["function"]) {
warning("'{a}' is a function.", left, left.value);
}
if (left) {
if (option.esnext && funct[left.value] === "const") {
warning("Attempting to override '{a}' which is a constant", left, left.value);
}
if (left.id === "." || left.id === "[") {
if (!left.left || left.left.value === "arguments") {
warning("Bad assignment.", that);
}
that.right = expression(19);
return that;
} else if (left.identifier && !left.reserved) {
if (funct[left.value] === "exception") {
warning("Do not assign to the exception parameter.", left);
}
that.right = expression(19);
return that;
}
if (left === syntax["function"]) {
warning(
"Expected an identifier in an assignment and instead saw a function invocation.",
token);
}
}
error("Bad assignment.", that);
}, 20);
}
function bitwise(s, f, p) {
var x = symbol(s, p);
reserveName(x);
x.led = (typeof f === "function") ? f : function (left) {
if (option.bitwise) {
warning("Unexpected use of '{a}'.", this, this.id);
}
this.left = left;
this.right = expression(p);
return this;
};
return x;
}
function bitwiseassignop(s) {
symbol(s, 20).exps = true;
return infix(s, function (left, that) {
if (option.bitwise) {
warning("Unexpected use of '{a}'.", that, that.id);
}
nonadjacent(prevtoken, token);
nonadjacent(token, nexttoken);
if (left) {
if (left.id === "." || left.id === "[" ||
(left.identifier && !left.reserved)) {
expression(19);
return that;
}
if (left === syntax["function"]) {
warning(
"Expected an identifier in an assignment, and instead saw a function invocation.",
token);
}
return that;
}
error("Bad assignment.", that);
}, 20);
}
function suffix(s) {
var x = symbol(s, 150);
x.led = function (left) {
if (option.plusplus) {
warning("Unexpected use of '{a}'.", this, this.id);
} else if ((!left.identifier || left.reserved) &&
left.id !== "." && left.id !== "[") {
warning("Bad operand.", this);
}
this.left = left;
return this;
};
return x;
}
function optionalidentifier(fnparam) {
if (nexttoken.identifier) {
advance();
if (token.reserved && !option.es5) {
if (!fnparam || token.value !== "undefined") {
warning("Expected an identifier and instead saw '{a}' (a reserved word).",
token, token.id);
}
}
return token.value;
}
}
function identifier(fnparam) {
var i = optionalidentifier(fnparam);
if (i) {
return i;
}
if (token.id === "function" && nexttoken.id === "(") {
warning("Missing name in function declaration.");
} else {
error("Expected an identifier and instead saw '{a}'.",
nexttoken, nexttoken.value);
}
}
function reachable(s) {
var i = 0, t;
if (nexttoken.id !== ";" || noreach) {
return;
}
for (;;) {
t = peek(i);
if (t.reach) {
return;
}
if (t.id !== "(endline)") {
if (t.id === "function") {
if (!option.latedef) {
break;
}
warning(
"Inner functions should be listed at the top of the outer function.", t);
break;
}
warning("Unreachable '{a}' after '{b}'.", t, t.value, s);
break;
}
i += 1;
}
}
function statement(noindent) {
var i = indent, r, s = scope, t = nexttoken;
if (t.id === ";") {
advance(";");
return;
}
if (t.identifier && !t.reserved && peek().id === ":") {
advance();
advance(":");
scope = Object.create(s);
addlabel(t.value, "label");
if (!nexttoken.labelled && nexttoken.value !== "{") {
warning("Label '{a}' on {b} statement.", nexttoken, t.value, nexttoken.value);
}
if (jx.test(t.value + ":")) {
warning("Label '{a}' looks like a javascript url.", t, t.value);
}
nexttoken.label = t.value;
t = nexttoken;
}
if (t.id === "{") {
block(true, true);
return;
}
if (!noindent) {
indentation();
}
r = expression(0, true);
if (!t.block) {
if (!option.expr && (!r || !r.exps)) {
warning("Expected an assignment or function call and instead saw an expression.",
token);
} else if (option.nonew && r.id === "(" && r.left.id === "new") {
warning("Do not use 'new' for side effects.", t);
}
if (nexttoken.id === ",") {
return comma();
}
if (nexttoken.id !== ";") {
if (!option.asi) {
if (!option.lastsemic || nexttoken.id !== "}" ||
nexttoken.line !== token.line) {
warningAt("Missing semicolon.", token.line, token.character);
}
}
} else {
adjacent(token, nexttoken);
advance(";");
nonadjacent(token, nexttoken);
}
}
indent = i;
scope = s;
return r;
}
function statements(startLine) {
var a = [], p;
while (!nexttoken.reach && nexttoken.id !== "(end)") {
if (nexttoken.id === ";") {
p = peek();
if (!p || p.id !== "(") {
warning("Unnecessary semicolon.");
}
advance(";");
} else {
a.push(statement(startLine === nexttoken.line));
}
}
return a;
}
function directives() {
var i, p, pn;
for (;;) {
if (nexttoken.id === "(string)") {
p = peek(0);
if (p.id === "(endline)") {
i = 1;
do {
pn = peek(i);
i = i + 1;
} while (pn.id === "(endline)");
if (pn.id !== ";") {
if (pn.id !== "(string)" && pn.id !== "(number)" &&
pn.id !== "(regexp)" && pn.identifier !== true &&
pn.id !== "}") {
break;
}
warning("Missing semicolon.", nexttoken);
} else {
p = pn;
}
} else if (p.id === "}") {
warning("Missing semicolon.", p);
} else if (p.id !== ";") {
break;
}
indentation();
advance();
if (directive[token.value]) {
warning("Unnecessary directive \"{a}\".", token, token.value);
}
if (token.value === "use strict") {
if (!option["(explicitNewcap)"])
option.newcap = true;
option.undef = true;
}
directive[token.value] = true;
if (p.id === ";") {
advance(";");
}
continue;
}
break;
}
}
function block(ordinary, stmt, isfunc) {
var a,
b = inblock,
old_indent = indent,
m,
s = scope,
t,
line,
d;
inblock = ordinary;
if (!ordinary || !option.funcscope)
scope = Object.create(scope);
nonadjacent(token, nexttoken);
t = nexttoken;
var metrics = funct["(metrics)"];
metrics.nestedBlockDepth += 1;
metrics.verifyMaxNestedBlockDepthPerFunction();
if (nexttoken.id === "{") {
advance("{");
line = token.line;
if (nexttoken.id !== "}") {
indent += option.indent;
while (!ordinary && nexttoken.from > indent) {
indent += option.indent;
}
if (isfunc) {
m = {};
for (d in directive) {
if (is_own(directive, d)) {
m[d] = directive[d];
}
}
directives();
if (option.strict && funct["(context)"]["(global)"]) {
if (!m["use strict"] && !directive["use strict"]) {
warning("Missing \"use strict\" statement.");
}
}
}
a = statements(line);
metrics.statementCount += a.length;
if (isfunc) {
directive = m;
}
indent -= option.indent;
if (line !== nexttoken.line) {
indentation();
}
} else if (line !== nexttoken.line) {
indentation();
}
advance("}", t);
indent = old_indent;
} else if (!ordinary) {
error("Expected '{a}' and instead saw '{b}'.",
nexttoken, "{", nexttoken.value);
} else {
if (!stmt || option.curly)
warning("Expected '{a}' and instead saw '{b}'.",
nexttoken, "{", nexttoken.value);
noreach = true;
indent += option.indent;
a = [statement(nexttoken.line === token.line)];
indent -= option.indent;
noreach = false;
}
funct["(verb)"] = null;
if (!ordinary || !option.funcscope) scope = s;
inblock = b;
if (ordinary && option.noempty && (!a || a.length === 0)) {
warning("Empty block.");
}
metrics.nestedBlockDepth -= 1;
return a;
}
function countMember(m) {
if (membersOnly && typeof membersOnly[m] !== "boolean") {
warning("Unexpected /*member '{a}'.", token, m);
}
if (typeof member[m] === "number") {
member[m] += 1;
} else {
member[m] = 1;
}
}
function note_implied(token) {
var name = token.value, line = token.line, a = implied[name];
if (typeof a === "function") {
a = false;
}
if (!a) {
a = [line];
implied[name] = a;
} else if (a[a.length - 1] !== line) {
a.push(line);
}
}
type("(number)", function () {
return this;
});
type("(string)", function () {
return this;
});
syntax["(identifier)"] = {
type: "(identifier)",
lbp: 0,
identifier: true,
nud: function () {
var v = this.value,
s = scope[v],
f;
if (typeof s === "function") {
s = undefined;
} else if (typeof s === "boolean") {
f = funct;
funct = functions[0];
addlabel(v, "var");
s = funct;
funct = f;
}
if (funct === s) {
switch (funct[v]) {
case "unused":
funct[v] = "var";
break;
case "unction":
funct[v] = "function";
this["function"] = true;
break;
case "function":
this["function"] = true;
break;
case "label":
warning("'{a}' is a statement label.", token, v);
break;
}
} else if (funct["(global)"]) {
if (option.undef && typeof predefined[v] !== "boolean") {
if (!(anonname === "typeof" || anonname === "delete") ||
(nexttoken && (nexttoken.value === "." || nexttoken.value === "["))) {
isundef(funct, "'{a}' is not defined.", token, v);
}
}
note_implied(token);
} else {
switch (funct[v]) {
case "closure":
case "function":
case "var":
case "unused":
warning("'{a}' used out of scope.", token, v);
break;
case "label":
warning("'{a}' is a statement label.", token, v);
break;
case "outer":
case "global":
break;
default:
if (s === true) {
funct[v] = true;
} else if (s === null) {
warning("'{a}' is not allowed.", token, v);
note_implied(token);
} else if (typeof s !== "object") {
if (option.undef) {
if (!(anonname === "typeof" || anonname === "delete") ||
(nexttoken &&
(nexttoken.value === "." || nexttoken.value === "["))) {
isundef(funct, "'{a}' is not defined.", token, v);
}
}
funct[v] = true;
note_implied(token);
} else {
switch (s[v]) {
case "function":
case "unction":
this["function"] = true;
s[v] = "closure";
funct[v] = s["(global)"] ? "global" : "outer";
break;
case "var":
case "unused":
s[v] = "closure";
funct[v] = s["(global)"] ? "global" : "outer";
break;
case "closure":
funct[v] = s["(global)"] ? "global" : "outer";
break;
case "label":
warning("'{a}' is a statement label.", token, v);
}
}
}
}
return this;
},
led: function () {
error("Expected an operator and instead saw '{a}'.",
nexttoken, nexttoken.value);
}
};
type("(regexp)", function () {
return this;
});
delim("(endline)");
delim("(begin)");
delim("(end)").reach = true;
delim("</").reach = true;
delim("<!");
delim("<!--");
delim("-->");
delim("(error)").reach = true;
delim("}").reach = true;
delim(")");
delim("]");
delim("\"").reach = true;
delim("'").reach = true;
delim(";");
delim(":").reach = true;
delim(",");
delim("#");
delim("@");
reserve("else");
reserve("case").reach = true;
reserve("catch");
reserve("default").reach = true;
reserve("finally");
reservevar("arguments", function (x) {
if (directive["use strict"] && funct["(global)"]) {
warning("Strict violation.", x);
}
});
reservevar("eval");
reservevar("false");
reservevar("Infinity");
reservevar("null");
reservevar("this", function (x) {
if (directive["use strict"] && !option.validthis && ((funct["(statement)"] &&
funct["(name)"].charAt(0) > "Z") || funct["(global)"])) {
warning("Possible strict violation.", x);
}
});
reservevar("true");
reservevar("undefined");
assignop("=", "assign", 20);
assignop("+=", "assignadd", 20);
assignop("-=", "assignsub", 20);
assignop("*=", "assignmult", 20);
assignop("/=", "assigndiv", 20).nud = function () {
error("A regular expression literal can be confused with '/='.");
};
assignop("%=", "assignmod", 20);
bitwiseassignop("&=", "assignbitand", 20);
bitwiseassignop("|=", "assignbitor", 20);
bitwiseassignop("^=", "assignbitxor", 20);
bitwiseassignop("<<=", "assignshiftleft", 20);
bitwiseassignop(">>=", "assignshiftright", 20);
bitwiseassignop(">>>=", "assignshiftrightunsigned", 20);
infix("?", function (left, that) {
that.left = left;
that.right = expression(10);
advance(":");
that["else"] = expression(10);
return that;
}, 30);
infix("||", "or", 40);
infix("&&", "and", 50);
bitwise("|", "bitor", 70);
bitwise("^", "bitxor", 80);
bitwise("&", "bitand", 90);
relation("==", function (left, right) {
var eqnull = option.eqnull && (left.value === "null" || right.value === "null");
if (!eqnull && option.eqeqeq)
warning("Expected '{a}' and instead saw '{b}'.", this, "===", "==");
else if (isPoorRelation(left))
warning("Use '{a}' to compare with '{b}'.", this, "===", left.value);
else if (isPoorRelation(right))
warning("Use '{a}' to compare with '{b}'.", this, "===", right.value);
return this;
});
relation("===");
relation("!=", function (left, right) {
var eqnull = option.eqnull &&
(left.value === "null" || right.value === "null");
if (!eqnull && option.eqeqeq) {
warning("Expected '{a}' and instead saw '{b}'.",
this, "!==", "!=");
} else if (isPoorRelation(left)) {
warning("Use '{a}' to compare with '{b}'.",
this, "!==", left.value);
} else if (isPoorRelation(right)) {
warning("Use '{a}' to compare with '{b}'.",
this, "!==", right.value);
}
return this;
});
relation("!==");
relation("<");
relation(">");
relation("<=");
relation(">=");
bitwise("<<", "shiftleft", 120);
bitwise(">>", "shiftright", 120);
bitwise(">>>", "shiftrightunsigned", 120);
infix("in", "in", 120);
infix("instanceof", "instanceof", 120);
infix("+", function (left, that) {
var right = expression(130);
if (left && right && left.id === "(string)" && right.id === "(string)") {
left.value += right.value;
left.character = right.character;
if (!option.scripturl && jx.test(left.value)) {
warning("JavaScript URL.", left);
}
return left;
}
that.left = left;
that.right = right;
return that;
}, 130);
prefix("+", "num");
prefix("+++", function () {
warning("Confusing pluses.");
this.right = expression(150);
this.arity = "unary";
return this;
});
infix("+++", function (left) {
warning("Confusing pluses.");
this.left = left;
this.right = expression(130);
return this;
}, 130);
infix("-", "sub", 130);
prefix("-", "neg");
prefix("---", function () {
warning("Confusing minuses.");
this.right = expression(150);
this.arity = "unary";
return this;
});
infix("---", function (left) {
warning("Confusing minuses.");
this.left = left;
this.right = expression(130);
return this;
}, 130);
infix("*", "mult", 140);
infix("/", "div", 140);
infix("%", "mod", 140);
suffix("++", "postinc");
prefix("++", "preinc");
syntax["++"].exps = true;
suffix("--", "postdec");
prefix("--", "predec");
syntax["--"].exps = true;
prefix("delete", function () {
var p = expression(0);
if (!p || (p.id !== "." && p.id !== "[")) {
warning("Variables should not be deleted.");
}
this.first = p;
return this;
}).exps = true;
prefix("~", function () {
if (option.bitwise) {
warning("Unexpected '{a}'.", this, "~");
}
expression(150);
return this;
});
prefix("!", function () {
this.right = expression(150);
this.arity = "unary";
if (bang[this.right.id] === true) {
warning("Confusing use of '{a}'.", this, "!");
}
return this;
});
prefix("typeof", "typeof");
prefix("new", function () {
var c = expression(155), i;
if (c && c.id !== "function") {
if (c.identifier) {
c["new"] = true;
switch (c.value) {
case "Number":
case "String":
case "Boolean":
case "Math":
case "JSON":
warning("Do not use {a} as a constructor.", prevtoken, c.value);
break;
case "Function":
if (!option.evil) {
warning("The Function constructor is eval.");
}
break;
case "Date":
case "RegExp":
break;
default:
if (c.id !== "function") {
i = c.value.substr(0, 1);
if (option.newcap && (i < "A" || i > "Z") && !is_own(global, c.value)) {
warning("A constructor name should start with an uppercase letter.",
token);
}
}
}
} else {
if (c.id !== "." && c.id !== "[" && c.id !== "(") {
warning("Bad constructor.", token);
}
}
} else {
if (!option.supernew)
warning("Weird construction. Delete 'new'.", this);
}
adjacent(token, nexttoken);
if (nexttoken.id !== "(" && !option.supernew) {
warning("Missing '()' invoking a constructor.",
token, token.value);
}
this.first = c;
return this;
});
syntax["new"].exps = true;
prefix("void").exps = true;
infix(".", function (left, that) {
adjacent(prevtoken, token);
nobreak();
var m = identifier();
if (typeof m === "string") {
countMember(m);
}
that.left = left;
that.right = m;
if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
if (option.noarg)
warning("Avoid arguments.{a}.", left, m);
else if (directive["use strict"])
error("Strict violation.");
} else if (!option.evil && left && left.value === "document" &&
(m === "write" || m === "writeln")) {
warning("document.write can be a form of eval.", left);
}
if (!option.evil && (m === "eval" || m === "execScript")) {
warning("eval is evil.");
}
return that;
}, 160, true);
infix("(", function (left, that) {
if (prevtoken.id !== "}" && prevtoken.id !== ")") {
nobreak(prevtoken, token);
}
nospace();
if (option.immed && !left.immed && left.id === "function") {
warning("Wrap an immediate function invocation in parentheses " +
"to assist the reader in understanding that the expression " +
"is the result of a function, and not the function itself.");
}
var n = 0,
p = [];
if (left) {
if (left.type === "(identifier)") {
if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
if ("Number String Boolean Date Object".indexOf(left.value) === -1) {
if (left.value === "Math") {
warning("Math is not a function.", left);
} else if (option.newcap) {
warning("Missing 'new' prefix when invoking a constructor.", left);
}
}
}
}
}
if (nexttoken.id !== ")") {
for (;;) {
p[p.length] = expression(10);
n += 1;
if (nexttoken.id !== ",") {
break;
}
comma();
}
}
advance(")");
nospace(prevtoken, token);
if (typeof left === "object") {
if (left.value === "parseInt" && n === 1) {
warning("Missing radix parameter.", token);
}
if (!option.evil) {
if (left.value === "eval" || left.value === "Function" ||
left.value === "execScript") {
warning("eval is evil.", left);
if (p[0] && [0].id === "(string)") {
addInternalSrc(left, p[0].value);
}
} else if (p[0] && p[0].id === "(string)" &&
(left.value === "setTimeout" ||
left.value === "setInterval")) {
warning(
"Implied eval is evil. Pass a function instead of a string.", left);
addInternalSrc(left, p[0].value);
} else if (p[0] && p[0].id === "(string)" &&
left.value === "." &&
left.left.value === "window" &&
(left.right === "setTimeout" ||
left.right === "setInterval")) {
warning(
"Implied eval is evil. Pass a function instead of a string.", left);
addInternalSrc(left, p[0].value);
}
}
if (!left.identifier && left.id !== "." && left.id !== "[" &&
left.id !== "(" && left.id !== "&&" && left.id !== "||" &&
left.id !== "?") {
warning("Bad invocation.", left);
}
}
that.left = left;
return that;
}, 155, true).exps = true;
prefix("(", function () {
nospace();
if (nexttoken.id === "function") {
nexttoken.immed = true;
}
var v = expression(0);
advance(")", this);
nospace(prevtoken, token);
if (option.immed && v.id === "function") {
if (nexttoken.id !== "(" &&
(nexttoken.id !== "." || (peek().value !== "call" && peek().value !== "apply"))) {
warning(
"Do not wrap function literals in parens unless they are to be immediately invoked.",
this);
}
}
return v;
});
infix("[", function (left, that) {
nobreak(prevtoken, token);
nospace();
var e = expression(0), s;
if (e && e.type === "(string)") {
if (!option.evil && (e.value === "eval" || e.value === "execScript")) {
warning("eval is evil.", that);
}
countMember(e.value);
if (!option.sub && ix.test(e.value)) {
s = syntax[e.value];
if (!s || !s.reserved) {
warning("['{a}'] is better written in dot notation.",
prevtoken, e.value);
}
}
}
advance("]", that);
nospace(prevtoken, token);
that.left = left;
that.right = e;
return that;
}, 160, true);
prefix("[", function () {
var b = token.line !== nexttoken.line;
this.first = [];
if (b) {
indent += option.indent;
if (nexttoken.from === indent + option.indent) {
indent += option.indent;
}
}
while (nexttoken.id !== "(end)") {
while (nexttoken.id === ",") {
if (!option.es5)
warning("Extra comma.");
advance(",");
}
if (nexttoken.id === "]") {
break;
}
if (b && token.line !== nexttoken.line) {
indentation();
}
this.first.push(expression(10));
if (nexttoken.id === ",") {
comma();
if (nexttoken.id === "]" && !option.es5) {
warning("Extra comma.", token);
break;
}
} else {
break;
}
}
if (b) {
indent -= option.indent;
indentation();
}
advance("]", this);
return this;
}, 160);
function property_name() {
var id = optionalidentifier(true);
if (!id) {
if (nexttoken.id === "(string)") {
id = nexttoken.value;
advance();
} else if (nexttoken.id === "(number)") {
id = nexttoken.value.toString();
advance();
}
}
return id;
}
function functionparams() {
var next = nexttoken;
var params = [];
var ident;
advance("(");
nospace();
if (nexttoken.id === ")") {
advance(")");
return;
}
for (;;) {
ident = identifier(true);
params.push(ident);
addlabel(ident, "unused", token);
if (nexttoken.id === ",") {
comma();
} else {
advance(")", next);
nospace(prevtoken, token);
return params;
}
}
}
function doFunction(name, statement) {
var f;
var oldOption = option;
var oldScope = scope;
option = Object.create(option);
scope = Object.create(scope);
funct = {
"(name)" : name || "\"" + anonname + "\"",
"(line)" : nexttoken.line,
"(character)": nexttoken.character,
"(context)" : funct,
"(breakage)" : 0,
"(loopage)" : 0,
"(metrics)" : createMetrics(nexttoken),
"(scope)" : scope,
"(statement)": statement,
"(tokens)" : {}
};
f = funct;
token.funct = funct;
functions.push(funct);
if (name) {
addlabel(name, "function");
}
funct["(params)"] = functionparams();
funct["(metrics)"].verifyMaxParametersPerFunction(funct["(params)"]);
block(false, false, true);
funct["(metrics)"].verifyMaxStatementsPerFunction();
funct["(metrics)"].verifyMaxComplexityPerFunction();
scope = oldScope;
option = oldOption;
funct["(last)"] = token.line;
funct["(lastcharacter)"] = token.character;
funct = funct["(context)"];
return f;
}
function createMetrics(functionStartToken) {
return {
statementCount: 0,
nestedBlockDepth: -1,
ComplexityCount: 1,
verifyMaxStatementsPerFunction: function () {
if (option.maxstatements &&
this.statementCount > option.maxstatements) {
var message = "Too many statements per function (" + this.statementCount + ").";
warning(message, functionStartToken);
}
},
verifyMaxParametersPerFunction: function (params) {
params = params || [];
if (option.maxparams && params.length > option.maxparams) {
var message = "Too many parameters per function (" + params.length + ").";
warning(message, functionStartToken);
}
},
verifyMaxNestedBlockDepthPerFunction: function () {
if (option.maxdepth &&
this.nestedBlockDepth > 0 &&
this.nestedBlockDepth === option.maxdepth + 1) {
var message = "Blocks are nested too deeply (" + this.nestedBlockDepth + ").";
warning(message);
}
},
verifyMaxComplexityPerFunction: function () {
var max = option.maxcomplexity;
var cc = this.ComplexityCount;
if (max && cc > max) {
var message = "Cyclomatic complexity is too high per function (" + cc + ").";
warning(message, functionStartToken);
}
}
};
}
function increaseComplexityCount() {
funct["(metrics)"].ComplexityCount += 1;
}
(function (x) {
x.nud = function () {
var b, f, i, p, t;
var props = {}; // All properties, including accessors
function saveProperty(name, token) {
if (props[name] && is_own(props, name))
warning("Duplicate member '{a}'.", nexttoken, i);
else
props[name] = {};
props[name].basic = true;
props[name].basicToken = token;
}
function saveSetter(name, token) {
if (props[name] && is_own(props, name)) {
if (props[name].basic || props[name].setter)
warning("Duplicate member '{a}'.", nexttoken, i);
} else {
props[name] = {};
}
props[name].setter = true;
props[name].setterToken = token;
}
function saveGetter(name) {
if (props[name] && is_own(props, name)) {
if (props[name].basic || props[name].getter)
warning("Duplicate member '{a}'.", nexttoken, i);
} else {
props[name] = {};
}
props[name].getter = true;
props[name].getterToken = token;
}
b = token.line !== nexttoken.line;
if (b) {
indent += option.indent;
if (nexttoken.from === indent + option.indent) {
indent += option.indent;
}
}
for (;;) {
if (nexttoken.id === "}") {
break;
}
if (b) {
indentation();
}
if (nexttoken.value === "get" && peek().id !== ":") {
advance("get");
if (!option.es5) {
error("get/set are ES5 features.");
}
i = property_name();
if (!i) {
error("Missing property name.");
}
saveGetter(i);
t = nexttoken;
adjacent(token, nexttoken);
f = doFunction();
p = f["(params)"];
if (p) {
warning("Unexpected parameter '{a}' in get {b} function.", t, p[0], i);
}
adjacent(token, nexttoken);
} else if (nexttoken.value === "set" && peek().id !== ":") {
advance("set");
if (!option.es5) {
error("get/set are ES5 features.");
}
i = property_name();
if (!i) {
error("Missing property name.");
}
saveSetter(i, nexttoken);
t = nexttoken;
adjacent(token, nexttoken);
f = doFunction();
p = f["(params)"];
if (!p || p.length !== 1) {
warning("Expected a single parameter in set {a} function.", t, i);
}
} else {
i = property_name();
saveProperty(i, nexttoken);
if (typeof i !== "string") {
break;
}
advance(":");
nonadjacent(token, nexttoken);
expression(10);
}
countMember(i);
if (nexttoken.id === ",") {
comma();
if (nexttoken.id === ",") {
warning("Extra comma.", token);
} else if (nexttoken.id === "}" && !option.es5) {
warning("Extra comma.", token);
}
} else {
break;
}
}
if (b) {
indent -= option.indent;
indentation();
}
advance("}", this);
if (option.es5) {
for (var name in props) {
if (is_own(props, name) && props[name].setter && !props[name].getter) {
warning("Setter is defined without getter.", props[name].setterToken);
}
}
}
return this;
};
x.fud = function () {
error("Expected to see a statement and instead saw a block.", token);
};
}(delim("{")));
useESNextSyntax = function () {
var conststatement = stmt("const", function (prefix) {
var id, name, value;
this.first = [];
for (;;) {
nonadjacent(token, nexttoken);
id = identifier();
if (funct[id] === "const") {
warning("const '" + id + "' has already been declared");
}
if (funct["(global)"] && predefined[id] === false) {
warning("Redefinition of '{a}'.", token, id);
}
addlabel(id, "const");
if (prefix) {
break;
}
name = token;
this.first.push(token);
if (nexttoken.id !== "=") {
warning("const " +
"'{a}' is initialized to 'undefined'.", token, id);
}
if (nexttoken.id === "=") {
nonadjacent(token, nexttoken);
advance("=");
nonadjacent(token, nexttoken);
if (nexttoken.id === "undefined") {
warning("It is not necessary to initialize " +
"'{a}' to 'undefined'.", token, id);
}
if (peek(0).id === "=" && nexttoken.identifier) {
error("Constant {a} was not declared correctly.",
nexttoken, nexttoken.value);
}
value = expression(0);
name.first = value;
}
if (nexttoken.id !== ",") {
break;
}
comma();
}
return this;
});
conststatement.exps = true;
};
var varstatement = stmt("var", function (prefix) {
var id, name, value;
if (funct["(onevar)"] && option.onevar) {
warning("Too many var statements.");
} else if (!funct["(global)"]) {
funct["(onevar)"] = true;
}
this.first = [];
for (;;) {
nonadjacent(token, nexttoken);
id = identifier();
if (option.esnext && funct[id] === "const") {
warning("const '" + id + "' has already been declared");
}
if (funct["(global)"] && predefined[id] === false) {
warning("Redefinition of '{a}'.", token, id);
}
addlabel(id, "unused", token);
if (prefix) {
break;
}
name = token;
this.first.push(token);
if (nexttoken.id === "=") {
nonadjacent(token, nexttoken);
advance("=");
nonadjacent(token, nexttoken);
if (nexttoken.id === "undefined") {
warning("It is not necessary to initialize '{a}' to 'undefined'.", token, id);
}
if (peek(0).id === "=" && nexttoken.identifier) {
error("Variable {a} was not declared correctly.",
nexttoken, nexttoken.value);
}
value = expression(0);
name.first = value;
}
if (nexttoken.id !== ",") {
break;
}
comma();
}
return this;
});
varstatement.exps = true;
blockstmt("function", function () {
if (inblock) {
warning("Function declarations should not be placed in blocks. " +
"Use a function expression or move the statement to the top of " +
"the outer function.", token);
}
var i = identifier();
if (option.esnext && funct[i] === "const") {
warning("const '" + i + "' has already been declared");
}
adjacent(token, nexttoken);
addlabel(i, "unction", token);
doFunction(i, { statement: true });
if (nexttoken.id === "(" && nexttoken.line === token.line) {
error(
"Function declarations are not invocable. Wrap the whole function invocation in parens.");
}
return this;
});
prefix("function", function () {
var i = optionalidentifier();
if (i) {
adjacent(token, nexttoken);
} else {
nonadjacent(token, nexttoken);
}
doFunction(i);
if (!option.loopfunc && funct["(loopage)"]) {
warning("Don't make functions within a loop.");
}
return this;
});
blockstmt("if", function () {
var t = nexttoken;
increaseComplexityCount();
advance("(");
nonadjacent(this, t);
nospace();
expression(20);
if (nexttoken.id === "=") {
if (!option.boss)
warning("Assignment in conditional expression");
advance("=");
expression(20);
}
advance(")", t);
nospace(prevtoken, token);
block(true, true);
if (nexttoken.id === "else") {
nonadjacent(token, nexttoken);
advance("else");
if (nexttoken.id === "if" || nexttoken.id === "switch") {
statement(true);
} else {
block(true, true);
}
}
return this;
});
blockstmt("try", function () {
var b;
function doCatch() {
var oldScope = scope;
var e;
advance("catch");
nonadjacent(token, nexttoken);
advance("(");
scope = Object.create(oldScope);
e = nexttoken.value;
if (nexttoken.type !== "(identifier)") {
e = null;
warning("Expected an identifier and instead saw '{a}'.", nexttoken, e);
}
advance();
advance(")");
funct = {
"(name)" : "(catch)",
"(line)" : nexttoken.line,
"(character)": nexttoken.character,
"(context)" : funct,
"(breakage)" : funct["(breakage)"],
"(loopage)" : funct["(loopage)"],
"(scope)" : scope,
"(statement)": false,
"(metrics)" : createMetrics(nexttoken),
"(catch)" : true,
"(tokens)" : {}
};
if (e) {
addlabel(e, "exception");
}
token.funct = funct;
functions.push(funct);
block(false);
scope = oldScope;
funct["(last)"] = token.line;
funct["(lastcharacter)"] = token.character;
funct = funct["(context)"];
}
block(false);
if (nexttoken.id === "catch") {
increaseComplexityCount();
doCatch();
b = true;
}
if (nexttoken.id === "finally") {
advance("finally");
block(false);
return;
} else if (!b) {
error("Expected '{a}' and instead saw '{b}'.",
nexttoken, "catch", nexttoken.value);
}
return this;
});
blockstmt("while", function () {
var t = nexttoken;
funct["(breakage)"] += 1;
funct["(loopage)"] += 1;
increaseComplexityCount();
advance("(");
nonadjacent(this, t);
nospace();
expression(20);
if (nexttoken.id === "=") {
if (!option.boss)
warning("Assignment in conditional expression");
advance("=");
expression(20);
}
advance(")", t);
nospace(prevtoken, token);
block(true, true);
funct["(breakage)"] -= 1;
funct["(loopage)"] -= 1;
return this;
}).labelled = true;
blockstmt("with", function () {
var t = nexttoken;
if (directive["use strict"]) {
error("'with' is not allowed in strict mode.", token);
} else if (!option.withstmt) {
warning("Don't use 'with'.", token);
}
advance("(");
nonadjacent(this, t);
nospace();
expression(0);
advance(")", t);
nospace(prevtoken, token);
block(true, true);
return this;
});
blockstmt("switch", function () {
var t = nexttoken,
g = false;
funct["(breakage)"] += 1;
advance("(");
nonadjacent(this, t);
nospace();
this.condition = expression(20);
advance(")", t);
nospace(prevtoken, token);
nonadjacent(token, nexttoken);
t = nexttoken;
advance("{");
nonadjacent(token, nexttoken);
indent += option.indent;
this.cases = [];
for (;;) {
switch (nexttoken.id) {
case "case":
switch (funct["(verb)"]) {
case "break":
case "case":
case "continue":
case "return":
case "switch":
case "throw":
break;
default:
if (!ft.test(lines[nexttoken.line - 2])) {
warning(
"Expected a 'break' statement before 'case'.",
token);
}
}
indentation(-option.indent);
advance("case");
this.cases.push(expression(20));
increaseComplexityCount();
g = true;
advance(":");
funct["(verb)"] = "case";
break;
case "default":
switch (funct["(verb)"]) {
case "break":
case "continue":
case "return":
case "throw":
break;
default:
if (!ft.test(lines[nexttoken.line - 2])) {
warning(
"Expected a 'break' statement before 'default'.",
token);
}
}
indentation(-option.indent);
advance("default");
g = true;
advance(":");
break;
case "}":
indent -= option.indent;
indentation();
advance("}", t);
if (this.cases.length === 1 || this.condition.id === "true" ||
this.condition.id === "false") {
if (!option.onecase)
warning("This 'switch' should be an 'if'.", this);
}
funct["(breakage)"] -= 1;
funct["(verb)"] = undefined;
return;
case "(end)":
error("Missing '{a}'.", nexttoken, "}");
return;
default:
if (g) {
switch (token.id) {
case ",":
error("Each value should have its own case label.");
return;
case ":":
g = false;
statements();
break;
default:
error("Missing ':' on a case clause.", token);
return;
}
} else {
if (token.id === ":") {
advance(":");
error("Unexpected '{a}'.", token, ":");
statements();
} else {
error("Expected '{a}' and instead saw '{b}'.",
nexttoken, "case", nexttoken.value);
return;
}
}
}
}
}).labelled = true;
stmt("debugger", function () {
if (!option.debug) {
warning("All 'debugger' statements should be removed.");
}
return this;
}).exps = true;
(function () {
var x = stmt("do", function () {
funct["(breakage)"] += 1;
funct["(loopage)"] += 1;
increaseComplexityCount();
this.first = block(true);
advance("while");
var t = nexttoken;
nonadjacent(token, t);
advance("(");
nospace();
expression(20);
if (nexttoken.id === "=") {
if (!option.boss)
warning("Assignment in conditional expression");
advance("=");
expression(20);
}
advance(")", t);
nospace(prevtoken, token);
funct["(breakage)"] -= 1;
funct["(loopage)"] -= 1;
return this;
});
x.labelled = true;
x.exps = true;
}());
blockstmt("for", function () {
var s, t = nexttoken;
funct["(breakage)"] += 1;
funct["(loopage)"] += 1;
increaseComplexityCount();
advance("(");
nonadjacent(this, t);
nospace();
if (peek(nexttoken.id === "var" ? 1 : 0).id === "in") {
if (nexttoken.id === "var") {
advance("var");
varstatement.fud.call(varstatement, true);
} else {
switch (funct[nexttoken.value]) {
case "unused":
funct[nexttoken.value] = "var";
break;
case "var":
break;
default:
warning("Bad for in variable '{a}'.",
nexttoken, nexttoken.value);
}
advance();
}
advance("in");
expression(20);
advance(")", t);
s = block(true, true);
if (option.forin && s && (s.length > 1 || typeof s[0] !== "object" ||
s[0].value !== "if")) {
warning("The body of a for in should be wrapped in an if statement to filter " +
"unwanted properties from the prototype.", this);
}
funct["(breakage)"] -= 1;
funct["(loopage)"] -= 1;
return this;
} else {
if (nexttoken.id !== ";") {
if (nexttoken.id === "var") {
advance("var");
varstatement.fud.call(varstatement);
} else {
for (;;) {
expression(0, "for");
if (nexttoken.id !== ",") {
break;
}
comma();
}
}
}
nolinebreak(token);
advance(";");
if (nexttoken.id !== ";") {
expression(20);
if (nexttoken.id === "=") {
if (!option.boss)
warning("Assignment in conditional expression");
advance("=");
expression(20);
}
}
nolinebreak(token);
advance(";");
if (nexttoken.id === ";") {
error("Expected '{a}' and instead saw '{b}'.",
nexttoken, ")", ";");
}
if (nexttoken.id !== ")") {
for (;;) {
expression(0, "for");
if (nexttoken.id !== ",") {
break;
}
comma();
}
}
advance(")", t);
nospace(prevtoken, token);
block(true, true);
funct["(breakage)"] -= 1;
funct["(loopage)"] -= 1;
return this;
}
}).labelled = true;
stmt("break", function () {
var v = nexttoken.value;
if (funct["(breakage)"] === 0)
warning("Unexpected '{a}'.", nexttoken, this.value);
if (!option.asi)
nolinebreak(this);
if (nexttoken.id !== ";") {
if (token.line === nexttoken.line) {
if (funct[v] !== "label") {
warning("'{a}' is not a statement label.", nexttoken, v);
} else if (scope[v] !== funct) {
warning("'{a}' is out of scope.", nexttoken, v);
}
this.first = nexttoken;
advance();
}
}
reachable("break");
return this;
}).exps = true;
stmt("continue", function () {
var v = nexttoken.value;
if (funct["(breakage)"] === 0)
warning("Unexpected '{a}'.", nexttoken, this.value);
if (!option.asi)
nolinebreak(this);
if (nexttoken.id !== ";") {
if (token.line === nexttoken.line) {
if (funct[v] !== "label") {
warning("'{a}' is not a statement label.", nexttoken, v);
} else if (scope[v] !== funct) {
warning("'{a}' is out of scope.", nexttoken, v);
}
this.first = nexttoken;
advance();
}
} else if (!funct["(loopage)"]) {
warning("Unexpected '{a}'.", nexttoken, this.value);
}
reachable("continue");
return this;
}).exps = true;
stmt("return", function () {
if (this.line === nexttoken.line) {
if (nexttoken.id === "(regexp)")
warning("Wrap the /regexp/ literal in parens to disambiguate the slash operator.");
if (nexttoken.id !== ";" && !nexttoken.reach) {
nonadjacent(token, nexttoken);
if (peek().value === "=" && !option.boss) {
warningAt("Did you mean to return a conditional instead of an assignment?",
token.line, token.character + 1);
}
this.first = expression(0);
}
} else if (!option.asi) {
nolinebreak(this); // always warn (Line breaking error)
}
reachable("return");
return this;
}).exps = true;
stmt("throw", function () {
nolinebreak(this);
nonadjacent(token, nexttoken);
this.first = expression(20);
reachable("throw");
return this;
}).exps = true;
reserve("class");
reserve("const");
reserve("enum");
reserve("export");
reserve("extends");
reserve("import");
reserve("super");
reserve("let");
reserve("yield");
reserve("implements");
reserve("interface");
reserve("package");
reserve("private");
reserve("protected");
reserve("public");
reserve("static");
function jsonValue() {
function jsonObject() {
var o = {}, t = nexttoken;
advance("{");
if (nexttoken.id !== "}") {
for (;;) {
if (nexttoken.id === "(end)") {
error("Missing '}' to match '{' from line {a}.",
nexttoken, t.line);
} else if (nexttoken.id === "}") {
warning("Unexpected comma.", token);
break;
} else if (nexttoken.id === ",") {
error("Unexpected comma.", nexttoken);
} else if (nexttoken.id !== "(string)") {
warning("Expected a string and instead saw {a}.",
nexttoken, nexttoken.value);
}
if (o[nexttoken.value] === true) {
warning("Duplicate key '{a}'.",
nexttoken, nexttoken.value);
} else if ((nexttoken.value === "__proto__" &&
!option.proto) || (nexttoken.value === "__iterator__" &&
!option.iterator)) {
warning("The '{a}' key may produce unexpected results.",
nexttoken, nexttoken.value);
} else {
o[nexttoken.value] = true;
}
advance();
advance(":");
jsonValue();
if (nexttoken.id !== ",") {
break;
}
advance(",");
}
}
advance("}");
}
function jsonArray() {
var t = nexttoken;
advance("[");
if (nexttoken.id !== "]") {
for (;;) {
if (nexttoken.id === "(end)") {
error("Missing ']' to match '[' from line {a}.",
nexttoken, t.line);
} else if (nexttoken.id === "]") {
warning("Unexpected comma.", token);
break;
} else if (nexttoken.id === ",") {
error("Unexpected comma.", nexttoken);
}
jsonValue();
if (nexttoken.id !== ",") {
break;
}
advance(",");
}
}
advance("]");
}
switch (nexttoken.id) {
case "{":
jsonObject();
break;
case "[":
jsonArray();
break;
case "true":
case "false":
case "null":
case "(number)":
case "(string)":
advance();
break;
case "-":
advance("-");
if (token.character !== nexttoken.from) {
warning("Unexpected space after '-'.", token);
}
adjacent(token, nexttoken);
advance("(number)");
break;
default:
error("Expected a JSON value.", nexttoken);
}
}
var itself = function (s, o, g) {
var a, i, k, x;
var optionKeys;
var newOptionObj = {};
if (o && o.scope) {
JSHINT.scope = o.scope;
} else {
JSHINT.errors = [];
JSHINT.undefs = [];
JSHINT.internals = [];
JSHINT.blacklist = {};
JSHINT.scope = "(main)";
}
predefined = Object.create(standard);
declared = Object.create(null);
combine(predefined, g || {});
if (o) {
a = o.predef;
if (a) {
if (!Array.isArray(a) && typeof a === "object") {
a = Object.keys(a);
}
a.forEach(function (item) {
var slice;
if (item[0] === "-") {
slice = item.slice(1);
JSHINT.blacklist[slice] = slice;
} else {
predefined[item] = true;
}
});
}
optionKeys = Object.keys(o);
for (x = 0; x < optionKeys.length; x++) {
newOptionObj[optionKeys[x]] = o[optionKeys[x]];
if (optionKeys[x] === "newcap" && o[optionKeys[x]] === false)
newOptionObj["(explicitNewcap)"] = true;
if (optionKeys[x] === "indent")
newOptionObj.white = true;
}
}
option = newOptionObj;
option.indent = option.indent || 4;
option.maxerr = option.maxerr || 50;
tab = "";
for (i = 0; i < option.indent; i += 1) {
tab += " ";
}
indent = 1;
global = Object.create(predefined);
scope = global;
funct = {
"(global)": true,
"(name)": "(global)",
"(scope)": scope,
"(breakage)": 0,
"(loopage)": 0,
"(tokens)": {},
"(metrics)": createMetrics(nexttoken)
};
functions = [funct];
urls = [];
stack = null;
member = {};
membersOnly = null;
implied = {};
inblock = false;
lookahead = [];
jsonmode = false;
warnings = 0;
lines = [];
unuseds = [];
if (!isString(s) && !Array.isArray(s)) {
errorAt("Input is neither a string nor an array of strings.", 0);
return false;
}
if (isString(s) && /^\s*$/g.test(s)) {
errorAt("Input is an empty string.", 0);
return false;
}
if (s.length === 0) {
errorAt("Input is an empty array.", 0);
return false;
}
lex.init(s);
prereg = true;
directive = {};
prevtoken = token = nexttoken = syntax["(begin)"];
for (var name in o) {
if (is_own(o, name)) {
checkOption(name, token);
}
}
assume();
combine(predefined, g || {});
comma.first = true;
quotmark = undefined;
try {
advance();
switch (nexttoken.id) {
case "{":
case "[":
option.laxbreak = true;
jsonmode = true;
jsonValue();
break;
default:
directives();
if (directive["use strict"] && !option.globalstrict) {
warning("Use the function form of \"use strict\".", prevtoken);
}
statements();
}
advance((nexttoken && nexttoken.value !== ".") ? "(end)" : undefined);
var markDefined = function (name, context) {
do {
if (typeof context[name] === "string") {
if (context[name] === "unused")
context[name] = "var";
else if (context[name] === "unction")
context[name] = "closure";
return true;
}
context = context["(context)"];
} while (context);
return false;
};
var clearImplied = function (name, line) {
if (!implied[name])
return;
var newImplied = [];
for (var i = 0; i < implied[name].length; i += 1) {
if (implied[name][i] !== line)
newImplied.push(implied[name][i]);
}
if (newImplied.length === 0)
delete implied[name];
else
implied[name] = newImplied;
};
var warnUnused = function (name, token) {
var line = token.line;
var chr = token.character;
if (option.unused)
warningAt("'{a}' is defined but never used.", line, chr, name);
unuseds.push({
name: name,
line: line,
character: chr
});
};
var checkUnused = function (func, key) {
var type = func[key];
var token = func["(tokens)"][key];
if (key.charAt(0) === "(")
return;
if (type !== "unused" && type !== "unction")
return;
if (func["(params)"] && func["(params)"].indexOf(key) !== -1)
return;
warnUnused(key, token);
};
for (i = 0; i < JSHINT.undefs.length; i += 1) {
k = JSHINT.undefs[i].slice(0);
if (markDefined(k[2].value, k[0])) {
clearImplied(k[2].value, k[2].line);
} else {
warning.apply(warning, k.slice(1));
}
}
functions.forEach(function (func) {
for (var key in func) {
if (is_own(func, key)) {
checkUnused(func, key);
}
}
if (!func["(params)"])
return;
var params = func["(params)"].slice();
var param = params.pop();
var type;
while (param) {
type = func[param];
if (param === "undefined")
return;
if (type !== "unused" && type !== "unction")
return;
warnUnused(param, func["(tokens)"][param]);
param = params.pop();
}
});
for (var key in declared) {
if (is_own(declared, key) && !is_own(global, key)) {
warnUnused(key, declared[key]);
}
}
} catch (e) {
if (e) {
var nt = nexttoken || {};
JSHINT.errors.push({
raw : e.raw,
reason : e.message,
line : e.line || nt.line,
character : e.character || nt.from
}, null);
}
}
if (JSHINT.scope === "(main)") {
o = o || {};
for (i = 0; i < JSHINT.internals.length; i += 1) {
k = JSHINT.internals[i];
o.scope = k.elem;
itself(k.value, o, g);
}
}
return JSHINT.errors.length === 0;
};
itself.data = function () {
var data = {
functions: [],
options: option
};
var implieds = [];
var members = [];
var fu, f, i, j, n, globals;
if (itself.errors.length) {
data.errors = itself.errors;
}
if (jsonmode) {
data.json = true;
}
for (n in implied) {
if (is_own(implied, n)) {
implieds.push({
name: n,
line: implied[n]
});
}
}
if (implieds.length > 0) {
data.implieds = implieds;
}
if (urls.length > 0) {
data.urls = urls;
}
globals = Object.keys(scope);
if (globals.length > 0) {
data.globals = globals;
}
for (i = 1; i < functions.length; i += 1) {
f = functions[i];
fu = {};
for (j = 0; j < functionicity.length; j += 1) {
fu[functionicity[j]] = [];
}
for (j = 0; j < functionicity.length; j += 1) {
if (fu[functionicity[j]].length === 0) {
delete fu[functionicity[j]];
}
}
fu.name = f["(name)"];
fu.param = f["(params)"];
fu.line = f["(line)"];
fu.character = f["(character)"];
fu.last = f["(last)"];
fu.lastcharacter = f["(lastcharacter)"];
data.functions.push(fu);
}
if (unuseds.length > 0) {
data.unused = unuseds;
}
members = [];
for (n in member) {
if (typeof member[n] === "number") {
data.member = member;
break;
}
}
return data;
};
itself.jshint = itself;
return itself;
}());
if (typeof exports === "object" && exports) {
exports.JSHINT = JSHINT;
}
});