mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
9075 lines
No EOL
234 KiB
JavaScript
Executable file
9075 lines
No EOL
234 KiB
JavaScript
Executable file
define(function(require, exports, module) {
|
|
// 2.1.9
|
|
require = null;
|
|
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({
|
|
9:[function (req,module,exports){
|
|
["log", "info", "warn", "error",
|
|
"time","timeEnd", "trace", "dir", "assert"
|
|
].forEach(function(x) {exports[x] = nop;});
|
|
function nop() {}
|
|
},{}],
|
|
1:[function(req,module,exports){
|
|
// Underscore.js 1.4.4
|
|
// http://underscorejs.org
|
|
// (c) 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
|
|
// Underscore may be freely distributed under the MIT license.
|
|
|
|
(function() {
|
|
|
|
// Baseline setup
|
|
// --------------
|
|
|
|
// Establish the root object, `window` in the browser, or `global` on the server.
|
|
var root = this;
|
|
|
|
// Save the previous value of the `_` variable.
|
|
var previousUnderscore = root._;
|
|
|
|
// Establish the object that gets returned to break out of a loop iteration.
|
|
var breaker = {};
|
|
|
|
// Save bytes in the minified (but not gzipped) version:
|
|
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
|
|
|
|
// Create quick reference variables for speed access to core prototypes.
|
|
var push = ArrayProto.push,
|
|
slice = ArrayProto.slice,
|
|
concat = ArrayProto.concat,
|
|
toString = ObjProto.toString,
|
|
hasOwnProperty = ObjProto.hasOwnProperty;
|
|
|
|
// All **ECMAScript 5** native function implementations that we hope to use
|
|
// are declared here.
|
|
var
|
|
nativeForEach = ArrayProto.forEach,
|
|
nativeMap = ArrayProto.map,
|
|
nativeReduce = ArrayProto.reduce,
|
|
nativeReduceRight = ArrayProto.reduceRight,
|
|
nativeFilter = ArrayProto.filter,
|
|
nativeEvery = ArrayProto.every,
|
|
nativeSome = ArrayProto.some,
|
|
nativeIndexOf = ArrayProto.indexOf,
|
|
nativeLastIndexOf = ArrayProto.lastIndexOf,
|
|
nativeIsArray = Array.isArray,
|
|
nativeKeys = Object.keys,
|
|
nativeBind = FuncProto.bind;
|
|
|
|
// Create a safe reference to the Underscore object for use below.
|
|
var _ = function(obj) {
|
|
if (obj instanceof _) return obj;
|
|
if (!(this instanceof _)) return new _(obj);
|
|
this._wrapped = obj;
|
|
};
|
|
|
|
// Export the Underscore object for **Node.js**, with
|
|
// backwards-compatibility for the old `require()` API. If we're in
|
|
// the browser, add `_` as a global object via a string identifier,
|
|
// for Closure Compiler "advanced" mode.
|
|
if (typeof exports !== 'undefined') {
|
|
if (typeof module !== 'undefined' && module.exports) {
|
|
exports = module.exports = _;
|
|
}
|
|
exports._ = _;
|
|
} else {
|
|
root._ = _;
|
|
}
|
|
|
|
// Current version.
|
|
_.VERSION = '1.4.4';
|
|
|
|
// Collection Functions
|
|
// --------------------
|
|
|
|
// The cornerstone, an `each` implementation, aka `forEach`.
|
|
// Handles objects with the built-in `forEach`, arrays, and raw objects.
|
|
// Delegates to **ECMAScript 5**'s native `forEach` if available.
|
|
var each = _.each = _.forEach = function(obj, iterator, context) {
|
|
if (obj == null) return;
|
|
if (nativeForEach && obj.forEach === nativeForEach) {
|
|
obj.forEach(iterator, context);
|
|
} else if (obj.length === +obj.length) {
|
|
for (var i = 0, l = obj.length; i < l; i++) {
|
|
if (iterator.call(context, obj[i], i, obj) === breaker) return;
|
|
}
|
|
} else {
|
|
for (var key in obj) {
|
|
if (_.has(obj, key)) {
|
|
if (iterator.call(context, obj[key], key, obj) === breaker) return;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// Return the results of applying the iterator to each element.
|
|
// Delegates to **ECMAScript 5**'s native `map` if available.
|
|
_.map = _.collect = function(obj, iterator, context) {
|
|
var results = [];
|
|
if (obj == null) return results;
|
|
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
|
|
each(obj, function(value, index, list) {
|
|
results[results.length] = iterator.call(context, value, index, list);
|
|
});
|
|
return results;
|
|
};
|
|
|
|
var reduceError = 'Reduce of empty array with no initial value';
|
|
|
|
// **Reduce** builds up a single result from a list of values, aka `inject`,
|
|
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
|
|
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
|
|
var initial = arguments.length > 2;
|
|
if (obj == null) obj = [];
|
|
if (nativeReduce && obj.reduce === nativeReduce) {
|
|
if (context) iterator = _.bind(iterator, context);
|
|
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
|
|
}
|
|
each(obj, function(value, index, list) {
|
|
if (!initial) {
|
|
memo = value;
|
|
initial = true;
|
|
} else {
|
|
memo = iterator.call(context, memo, value, index, list);
|
|
}
|
|
});
|
|
if (!initial) throw new TypeError(reduceError);
|
|
return memo;
|
|
};
|
|
|
|
// The right-associative version of reduce, also known as `foldr`.
|
|
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
|
|
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
|
|
var initial = arguments.length > 2;
|
|
if (obj == null) obj = [];
|
|
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
|
|
if (context) iterator = _.bind(iterator, context);
|
|
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
|
|
}
|
|
var length = obj.length;
|
|
if (length !== +length) {
|
|
var keys = _.keys(obj);
|
|
length = keys.length;
|
|
}
|
|
each(obj, function(value, index, list) {
|
|
index = keys ? keys[--length] : --length;
|
|
if (!initial) {
|
|
memo = obj[index];
|
|
initial = true;
|
|
} else {
|
|
memo = iterator.call(context, memo, obj[index], index, list);
|
|
}
|
|
});
|
|
if (!initial) throw new TypeError(reduceError);
|
|
return memo;
|
|
};
|
|
|
|
// Return the first value which passes a truth test. Aliased as `detect`.
|
|
_.find = _.detect = function(obj, iterator, context) {
|
|
var result;
|
|
any(obj, function(value, index, list) {
|
|
if (iterator.call(context, value, index, list)) {
|
|
result = value;
|
|
return true;
|
|
}
|
|
});
|
|
return result;
|
|
};
|
|
|
|
// Return all the elements that pass a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `filter` if available.
|
|
// Aliased as `select`.
|
|
_.filter = _.select = function(obj, iterator, context) {
|
|
var results = [];
|
|
if (obj == null) return results;
|
|
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
|
|
each(obj, function(value, index, list) {
|
|
if (iterator.call(context, value, index, list)) results[results.length] = value;
|
|
});
|
|
return results;
|
|
};
|
|
|
|
// Return all the elements for which a truth test fails.
|
|
_.reject = function(obj, iterator, context) {
|
|
return _.filter(obj, function(value, index, list) {
|
|
return !iterator.call(context, value, index, list);
|
|
}, context);
|
|
};
|
|
|
|
// Determine whether all of the elements match a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `every` if available.
|
|
// Aliased as `all`.
|
|
_.every = _.all = function(obj, iterator, context) {
|
|
iterator || (iterator = _.identity);
|
|
var result = true;
|
|
if (obj == null) return result;
|
|
if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
|
|
each(obj, function(value, index, list) {
|
|
if (!(result = result && iterator.call(context, value, index, list))) return breaker;
|
|
});
|
|
return !!result;
|
|
};
|
|
|
|
// Determine if at least one element in the object matches a truth test.
|
|
// Delegates to **ECMAScript 5**'s native `some` if available.
|
|
// Aliased as `any`.
|
|
var any = _.some = _.any = function(obj, iterator, context) {
|
|
iterator || (iterator = _.identity);
|
|
var result = false;
|
|
if (obj == null) return result;
|
|
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
|
|
each(obj, function(value, index, list) {
|
|
if (result || (result = iterator.call(context, value, index, list))) return breaker;
|
|
});
|
|
return !!result;
|
|
};
|
|
|
|
// Determine if the array or object contains a given value (using `===`).
|
|
// Aliased as `include`.
|
|
_.contains = _.include = function(obj, target) {
|
|
if (obj == null) return false;
|
|
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
|
|
return any(obj, function(value) {
|
|
return value === target;
|
|
});
|
|
};
|
|
|
|
// Invoke a method (with arguments) on every item in a collection.
|
|
_.invoke = function(obj, method) {
|
|
var args = slice.call(arguments, 2);
|
|
var isFunc = _.isFunction(method);
|
|
return _.map(obj, function(value) {
|
|
return (isFunc ? method : value[method]).apply(value, args);
|
|
});
|
|
};
|
|
|
|
// Convenience version of a common use case of `map`: fetching a property.
|
|
_.pluck = function(obj, key) {
|
|
return _.map(obj, function(value){ return value[key]; });
|
|
};
|
|
|
|
// Convenience version of a common use case of `filter`: selecting only objects
|
|
// containing specific `key:value` pairs.
|
|
_.where = function(obj, attrs, first) {
|
|
if (_.isEmpty(attrs)) return first ? null : [];
|
|
return _[first ? 'find' : 'filter'](obj, function(value) {
|
|
for (var key in attrs) {
|
|
if (attrs[key] !== value[key]) return false;
|
|
}
|
|
return true;
|
|
});
|
|
};
|
|
|
|
// Convenience version of a common use case of `find`: getting the first object
|
|
// containing specific `key:value` pairs.
|
|
_.findWhere = function(obj, attrs) {
|
|
return _.where(obj, attrs, true);
|
|
};
|
|
|
|
// Return the maximum element or (element-based computation).
|
|
// Can't optimize arrays of integers longer than 65,535 elements.
|
|
// See: https://bugs.webkit.org/show_bug.cgi?id=80797
|
|
_.max = function(obj, iterator, context) {
|
|
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
|
|
return Math.max.apply(Math, obj);
|
|
}
|
|
if (!iterator && _.isEmpty(obj)) return -Infinity;
|
|
var result = {computed : -Infinity, value: -Infinity};
|
|
each(obj, function(value, index, list) {
|
|
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
|
computed >= result.computed && (result = {value : value, computed : computed});
|
|
});
|
|
return result.value;
|
|
};
|
|
|
|
// Return the minimum element (or element-based computation).
|
|
_.min = function(obj, iterator, context) {
|
|
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
|
|
return Math.min.apply(Math, obj);
|
|
}
|
|
if (!iterator && _.isEmpty(obj)) return Infinity;
|
|
var result = {computed : Infinity, value: Infinity};
|
|
each(obj, function(value, index, list) {
|
|
var computed = iterator ? iterator.call(context, value, index, list) : value;
|
|
computed < result.computed && (result = {value : value, computed : computed});
|
|
});
|
|
return result.value;
|
|
};
|
|
|
|
// Shuffle an array.
|
|
_.shuffle = function(obj) {
|
|
var rand;
|
|
var index = 0;
|
|
var shuffled = [];
|
|
each(obj, function(value) {
|
|
rand = _.random(index++);
|
|
shuffled[index - 1] = shuffled[rand];
|
|
shuffled[rand] = value;
|
|
});
|
|
return shuffled;
|
|
};
|
|
|
|
// An internal function to generate lookup iterators.
|
|
var lookupIterator = function(value) {
|
|
return _.isFunction(value) ? value : function(obj){ return obj[value]; };
|
|
};
|
|
|
|
// Sort the object's values by a criterion produced by an iterator.
|
|
_.sortBy = function(obj, value, context) {
|
|
var iterator = lookupIterator(value);
|
|
return _.pluck(_.map(obj, function(value, index, list) {
|
|
return {
|
|
value : value,
|
|
index : index,
|
|
criteria : iterator.call(context, value, index, list)
|
|
};
|
|
}).sort(function(left, right) {
|
|
var a = left.criteria;
|
|
var b = right.criteria;
|
|
if (a !== b) {
|
|
if (a > b || a === void 0) return 1;
|
|
if (a < b || b === void 0) return -1;
|
|
}
|
|
return left.index < right.index ? -1 : 1;
|
|
}), 'value');
|
|
};
|
|
|
|
// An internal function used for aggregate "group by" operations.
|
|
var group = function(obj, value, context, behavior) {
|
|
var result = {};
|
|
var iterator = lookupIterator(value || _.identity);
|
|
each(obj, function(value, index) {
|
|
var key = iterator.call(context, value, index, obj);
|
|
behavior(result, key, value);
|
|
});
|
|
return result;
|
|
};
|
|
|
|
// Groups the object's values by a criterion. Pass either a string attribute
|
|
// to group by, or a function that returns the criterion.
|
|
_.groupBy = function(obj, value, context) {
|
|
return group(obj, value, context, function(result, key, value) {
|
|
(_.has(result, key) ? result[key] : (result[key] = [])).push(value);
|
|
});
|
|
};
|
|
|
|
// Counts instances of an object that group by a certain criterion. Pass
|
|
// either a string attribute to count by, or a function that returns the
|
|
// criterion.
|
|
_.countBy = function(obj, value, context) {
|
|
return group(obj, value, context, function(result, key) {
|
|
if (!_.has(result, key)) result[key] = 0;
|
|
result[key]++;
|
|
});
|
|
};
|
|
|
|
// Use a comparator function to figure out the smallest index at which
|
|
// an object should be inserted so as to maintain order. Uses binary search.
|
|
_.sortedIndex = function(array, obj, iterator, context) {
|
|
iterator = iterator == null ? _.identity : lookupIterator(iterator);
|
|
var value = iterator.call(context, obj);
|
|
var low = 0, high = array.length;
|
|
while (low < high) {
|
|
var mid = (low + high) >>> 1;
|
|
iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
|
|
}
|
|
return low;
|
|
};
|
|
|
|
// Safely convert anything iterable into a real, live array.
|
|
_.toArray = function(obj) {
|
|
if (!obj) return [];
|
|
if (_.isArray(obj)) return slice.call(obj);
|
|
if (obj.length === +obj.length) return _.map(obj, _.identity);
|
|
return _.values(obj);
|
|
};
|
|
|
|
// Return the number of elements in an object.
|
|
_.size = function(obj) {
|
|
if (obj == null) return 0;
|
|
return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
|
|
};
|
|
|
|
// Array Functions
|
|
// ---------------
|
|
|
|
// Get the first element of an array. Passing **n** will return the first N
|
|
// values in the array. Aliased as `head` and `take`. The **guard** check
|
|
// allows it to work with `_.map`.
|
|
_.first = _.head = _.take = function(array, n, guard) {
|
|
if (array == null) return void 0;
|
|
return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
|
|
};
|
|
|
|
// Returns everything but the last entry of the array. Especially useful on
|
|
// the arguments object. Passing **n** will return all the values in
|
|
// the array, excluding the last N. The **guard** check allows it to work with
|
|
// `_.map`.
|
|
_.initial = function(array, n, guard) {
|
|
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
|
|
};
|
|
|
|
// Get the last element of an array. Passing **n** will return the last N
|
|
// values in the array. The **guard** check allows it to work with `_.map`.
|
|
_.last = function(array, n, guard) {
|
|
if (array == null) return void 0;
|
|
if ((n != null) && !guard) {
|
|
return slice.call(array, Math.max(array.length - n, 0));
|
|
} else {
|
|
return array[array.length - 1];
|
|
}
|
|
};
|
|
|
|
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
|
|
// Especially useful on the arguments object. Passing an **n** will return
|
|
// the rest N values in the array. The **guard**
|
|
// check allows it to work with `_.map`.
|
|
_.rest = _.tail = _.drop = function(array, n, guard) {
|
|
return slice.call(array, (n == null) || guard ? 1 : n);
|
|
};
|
|
|
|
// Trim out all falsy values from an array.
|
|
_.compact = function(array) {
|
|
return _.filter(array, _.identity);
|
|
};
|
|
|
|
// Internal implementation of a recursive `flatten` function.
|
|
var flatten = function(input, shallow, output) {
|
|
each(input, function(value) {
|
|
if (_.isArray(value)) {
|
|
shallow ? push.apply(output, value) : flatten(value, shallow, output);
|
|
} else {
|
|
output.push(value);
|
|
}
|
|
});
|
|
return output;
|
|
};
|
|
|
|
// Return a completely flattened version of an array.
|
|
_.flatten = function(array, shallow) {
|
|
return flatten(array, shallow, []);
|
|
};
|
|
|
|
// Return a version of the array that does not contain the specified value(s).
|
|
_.without = function(array) {
|
|
return _.difference(array, slice.call(arguments, 1));
|
|
};
|
|
|
|
// Produce a duplicate-free version of the array. If the array has already
|
|
// been sorted, you have the option of using a faster algorithm.
|
|
// Aliased as `unique`.
|
|
_.uniq = _.unique = function(array, isSorted, iterator, context) {
|
|
if (_.isFunction(isSorted)) {
|
|
context = iterator;
|
|
iterator = isSorted;
|
|
isSorted = false;
|
|
}
|
|
var initial = iterator ? _.map(array, iterator, context) : array;
|
|
var results = [];
|
|
var seen = [];
|
|
each(initial, function(value, index) {
|
|
if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
|
|
seen.push(value);
|
|
results.push(array[index]);
|
|
}
|
|
});
|
|
return results;
|
|
};
|
|
|
|
// Produce an array that contains the union: each distinct element from all of
|
|
// the passed-in arrays.
|
|
_.union = function() {
|
|
return _.uniq(concat.apply(ArrayProto, arguments));
|
|
};
|
|
|
|
// Produce an array that contains every item shared between all the
|
|
// passed-in arrays.
|
|
_.intersection = function(array) {
|
|
var rest = slice.call(arguments, 1);
|
|
return _.filter(_.uniq(array), function(item) {
|
|
return _.every(rest, function(other) {
|
|
return _.indexOf(other, item) >= 0;
|
|
});
|
|
});
|
|
};
|
|
|
|
// Take the difference between one array and a number of other arrays.
|
|
// Only the elements present in just the first array will remain.
|
|
_.difference = function(array) {
|
|
var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
return _.filter(array, function(value){ return !_.contains(rest, value); });
|
|
};
|
|
|
|
// Zip together multiple lists into a single array -- elements that share
|
|
// an index go together.
|
|
_.zip = function() {
|
|
var args = slice.call(arguments);
|
|
var length = _.max(_.pluck(args, 'length'));
|
|
var results = new Array(length);
|
|
for (var i = 0; i < length; i++) {
|
|
results[i] = _.pluck(args, "" + i);
|
|
}
|
|
return results;
|
|
};
|
|
|
|
// Converts lists into objects. Pass either a single array of `[key, value]`
|
|
// pairs, or two parallel arrays of the same length -- one of keys, and one of
|
|
// the corresponding values.
|
|
_.object = function(list, values) {
|
|
if (list == null) return {};
|
|
var result = {};
|
|
for (var i = 0, l = list.length; i < l; i++) {
|
|
if (values) {
|
|
result[list[i]] = values[i];
|
|
} else {
|
|
result[list[i][0]] = list[i][1];
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
|
|
// we need this function. Return the position of the first occurrence of an
|
|
// item in an array, or -1 if the item is not included in the array.
|
|
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
|
|
// If the array is large and already in sort order, pass `true`
|
|
// for **isSorted** to use binary search.
|
|
_.indexOf = function(array, item, isSorted) {
|
|
if (array == null) return -1;
|
|
var i = 0, l = array.length;
|
|
if (isSorted) {
|
|
if (typeof isSorted == 'number') {
|
|
i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
|
|
} else {
|
|
i = _.sortedIndex(array, item);
|
|
return array[i] === item ? i : -1;
|
|
}
|
|
}
|
|
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
|
|
for (; i < l; i++) if (array[i] === item) return i;
|
|
return -1;
|
|
};
|
|
|
|
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
|
|
_.lastIndexOf = function(array, item, from) {
|
|
if (array == null) return -1;
|
|
var hasIndex = from != null;
|
|
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
|
|
return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
|
|
}
|
|
var i = (hasIndex ? from : array.length);
|
|
while (i--) if (array[i] === item) return i;
|
|
return -1;
|
|
};
|
|
|
|
// Generate an integer Array containing an arithmetic progression. A port of
|
|
// the native Python `range()` function. See
|
|
// [the Python documentation](http://docs.python.org/library/functions.html#range).
|
|
_.range = function(start, stop, step) {
|
|
if (arguments.length <= 1) {
|
|
stop = start || 0;
|
|
start = 0;
|
|
}
|
|
step = arguments[2] || 1;
|
|
|
|
var len = Math.max(Math.ceil((stop - start) / step), 0);
|
|
var idx = 0;
|
|
var range = new Array(len);
|
|
|
|
while(idx < len) {
|
|
range[idx++] = start;
|
|
start += step;
|
|
}
|
|
|
|
return range;
|
|
};
|
|
|
|
// Function (ahem) Functions
|
|
// ------------------
|
|
|
|
// Create a function bound to a given object (assigning `this`, and arguments,
|
|
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
|
|
// available.
|
|
_.bind = function(func, context) {
|
|
if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
|
|
var args = slice.call(arguments, 2);
|
|
return function() {
|
|
return func.apply(context, args.concat(slice.call(arguments)));
|
|
};
|
|
};
|
|
|
|
// Partially apply a function by creating a version that has had some of its
|
|
// arguments pre-filled, without changing its dynamic `this` context.
|
|
_.partial = function(func) {
|
|
var args = slice.call(arguments, 1);
|
|
return function() {
|
|
return func.apply(this, args.concat(slice.call(arguments)));
|
|
};
|
|
};
|
|
|
|
// Bind all of an object's methods to that object. Useful for ensuring that
|
|
// all callbacks defined on an object belong to it.
|
|
_.bindAll = function(obj) {
|
|
var funcs = slice.call(arguments, 1);
|
|
if (funcs.length === 0) funcs = _.functions(obj);
|
|
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
|
|
return obj;
|
|
};
|
|
|
|
// Memoize an expensive function by storing its results.
|
|
_.memoize = function(func, hasher) {
|
|
var memo = {};
|
|
hasher || (hasher = _.identity);
|
|
return function() {
|
|
var key = hasher.apply(this, arguments);
|
|
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
|
|
};
|
|
};
|
|
|
|
// Delays a function for the given number of milliseconds, and then calls
|
|
// it with the arguments supplied.
|
|
_.delay = function(func, wait) {
|
|
var args = slice.call(arguments, 2);
|
|
return setTimeout(function(){ return func.apply(null, args); }, wait);
|
|
};
|
|
|
|
// Defers a function, scheduling it to run after the current call stack has
|
|
// cleared.
|
|
_.defer = function(func) {
|
|
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
|
|
};
|
|
|
|
// Returns a function, that, when invoked, will only be triggered at most once
|
|
// during a given window of time.
|
|
_.throttle = function(func, wait) {
|
|
var context, args, timeout, result;
|
|
var previous = 0;
|
|
var later = function() {
|
|
previous = new Date;
|
|
timeout = null;
|
|
result = func.apply(context, args);
|
|
};
|
|
return function() {
|
|
var now = new Date;
|
|
var remaining = wait - (now - previous);
|
|
context = this;
|
|
args = arguments;
|
|
if (remaining <= 0) {
|
|
clearTimeout(timeout);
|
|
timeout = null;
|
|
previous = now;
|
|
result = func.apply(context, args);
|
|
} else if (!timeout) {
|
|
timeout = setTimeout(later, remaining);
|
|
}
|
|
return result;
|
|
};
|
|
};
|
|
|
|
// Returns a function, that, as long as it continues to be invoked, will not
|
|
// be triggered. The function will be called after it stops being called for
|
|
// N milliseconds. If `immediate` is passed, trigger the function on the
|
|
// leading edge, instead of the trailing.
|
|
_.debounce = function(func, wait, immediate) {
|
|
var timeout, result;
|
|
return function() {
|
|
var context = this, args = arguments;
|
|
var later = function() {
|
|
timeout = null;
|
|
if (!immediate) result = func.apply(context, args);
|
|
};
|
|
var callNow = immediate && !timeout;
|
|
clearTimeout(timeout);
|
|
timeout = setTimeout(later, wait);
|
|
if (callNow) result = func.apply(context, args);
|
|
return result;
|
|
};
|
|
};
|
|
|
|
// Returns a function that will be executed at most one time, no matter how
|
|
// often you call it. Useful for lazy initialization.
|
|
_.once = function(func) {
|
|
var ran = false, memo;
|
|
return function() {
|
|
if (ran) return memo;
|
|
ran = true;
|
|
memo = func.apply(this, arguments);
|
|
func = null;
|
|
return memo;
|
|
};
|
|
};
|
|
|
|
// Returns the first function passed as an argument to the second,
|
|
// allowing you to adjust arguments, run code before and after, and
|
|
// conditionally execute the original function.
|
|
_.wrap = function(func, wrapper) {
|
|
return function() {
|
|
var args = [func];
|
|
push.apply(args, arguments);
|
|
return wrapper.apply(this, args);
|
|
};
|
|
};
|
|
|
|
// Returns a function that is the composition of a list of functions, each
|
|
// consuming the return value of the function that follows.
|
|
_.compose = function() {
|
|
var funcs = arguments;
|
|
return function() {
|
|
var args = arguments;
|
|
for (var i = funcs.length - 1; i >= 0; i--) {
|
|
args = [funcs[i].apply(this, args)];
|
|
}
|
|
return args[0];
|
|
};
|
|
};
|
|
|
|
// Returns a function that will only be executed after being called N times.
|
|
_.after = function(times, func) {
|
|
if (times <= 0) return func();
|
|
return function() {
|
|
if (--times < 1) {
|
|
return func.apply(this, arguments);
|
|
}
|
|
};
|
|
};
|
|
|
|
// Object Functions
|
|
// ----------------
|
|
|
|
// Retrieve the names of an object's properties.
|
|
// Delegates to **ECMAScript 5**'s native `Object.keys`
|
|
_.keys = nativeKeys || function(obj) {
|
|
if (obj !== Object(obj)) throw new TypeError('Invalid object');
|
|
var keys = [];
|
|
for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
|
|
return keys;
|
|
};
|
|
|
|
// Retrieve the values of an object's properties.
|
|
_.values = function(obj) {
|
|
var values = [];
|
|
for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
|
|
return values;
|
|
};
|
|
|
|
// Convert an object into a list of `[key, value]` pairs.
|
|
_.pairs = function(obj) {
|
|
var pairs = [];
|
|
for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
|
|
return pairs;
|
|
};
|
|
|
|
// Invert the keys and values of an object. The values must be serializable.
|
|
_.invert = function(obj) {
|
|
var result = {};
|
|
for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
|
|
return result;
|
|
};
|
|
|
|
// Return a sorted list of the function names available on the object.
|
|
// Aliased as `methods`
|
|
_.functions = _.methods = function(obj) {
|
|
var names = [];
|
|
for (var key in obj) {
|
|
if (_.isFunction(obj[key])) names.push(key);
|
|
}
|
|
return names.sort();
|
|
};
|
|
|
|
// Extend a given object with all the properties in passed-in object(s).
|
|
_.extend = function(obj) {
|
|
each(slice.call(arguments, 1), function(source) {
|
|
if (source) {
|
|
for (var prop in source) {
|
|
obj[prop] = source[prop];
|
|
}
|
|
}
|
|
});
|
|
return obj;
|
|
};
|
|
|
|
// Return a copy of the object only containing the whitelisted properties.
|
|
_.pick = function(obj) {
|
|
var copy = {};
|
|
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
each(keys, function(key) {
|
|
if (key in obj) copy[key] = obj[key];
|
|
});
|
|
return copy;
|
|
};
|
|
|
|
// Return a copy of the object without the blacklisted properties.
|
|
_.omit = function(obj) {
|
|
var copy = {};
|
|
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
|
for (var key in obj) {
|
|
if (!_.contains(keys, key)) copy[key] = obj[key];
|
|
}
|
|
return copy;
|
|
};
|
|
|
|
// Fill in a given object with default properties.
|
|
_.defaults = function(obj) {
|
|
each(slice.call(arguments, 1), function(source) {
|
|
if (source) {
|
|
for (var prop in source) {
|
|
if (obj[prop] == null) obj[prop] = source[prop];
|
|
}
|
|
}
|
|
});
|
|
return obj;
|
|
};
|
|
|
|
// Create a (shallow-cloned) duplicate of an object.
|
|
_.clone = function(obj) {
|
|
if (!_.isObject(obj)) return obj;
|
|
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
|
|
};
|
|
|
|
// Invokes interceptor with the obj, and then returns obj.
|
|
// The primary purpose of this method is to "tap into" a method chain, in
|
|
// order to perform operations on intermediate results within the chain.
|
|
_.tap = function(obj, interceptor) {
|
|
interceptor(obj);
|
|
return obj;
|
|
};
|
|
|
|
// Internal recursive comparison function for `isEqual`.
|
|
var eq = function(a, b, aStack, bStack) {
|
|
// Identical objects are equal. `0 === -0`, but they aren't identical.
|
|
// See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
|
|
if (a === b) return a !== 0 || 1 / a == 1 / b;
|
|
// A strict comparison is necessary because `null == undefined`.
|
|
if (a == null || b == null) return a === b;
|
|
// Unwrap any wrapped objects.
|
|
if (a instanceof _) a = a._wrapped;
|
|
if (b instanceof _) b = b._wrapped;
|
|
// Compare `[[Class]]` names.
|
|
var className = toString.call(a);
|
|
if (className != toString.call(b)) return false;
|
|
switch (className) {
|
|
// Strings, numbers, dates, and booleans are compared by value.
|
|
case '[object String]':
|
|
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
|
|
// equivalent to `new String("5")`.
|
|
return a == String(b);
|
|
case '[object Number]':
|
|
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
|
|
// other numeric values.
|
|
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
|
|
case '[object Date]':
|
|
case '[object Boolean]':
|
|
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
|
|
// millisecond representations. Note that invalid dates with millisecond representations
|
|
// of `NaN` are not equivalent.
|
|
return +a == +b;
|
|
// RegExps are compared by their source patterns and flags.
|
|
case '[object RegExp]':
|
|
return a.source == b.source &&
|
|
a.global == b.global &&
|
|
a.multiline == b.multiline &&
|
|
a.ignoreCase == b.ignoreCase;
|
|
}
|
|
if (typeof a != 'object' || typeof b != 'object') return false;
|
|
// Assume equality for cyclic structures. The algorithm for detecting cyclic
|
|
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
|
|
var length = aStack.length;
|
|
while (length--) {
|
|
// Linear search. Performance is inversely proportional to the number of
|
|
// unique nested structures.
|
|
if (aStack[length] == a) return bStack[length] == b;
|
|
}
|
|
// Add the first object to the stack of traversed objects.
|
|
aStack.push(a);
|
|
bStack.push(b);
|
|
var size = 0, result = true;
|
|
// Recursively compare objects and arrays.
|
|
if (className == '[object Array]') {
|
|
// Compare array lengths to determine if a deep comparison is necessary.
|
|
size = a.length;
|
|
result = size == b.length;
|
|
if (result) {
|
|
// Deep compare the contents, ignoring non-numeric properties.
|
|
while (size--) {
|
|
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
|
|
}
|
|
}
|
|
} else {
|
|
// Objects with different constructors are not equivalent, but `Object`s
|
|
// from different frames are.
|
|
var aCtor = a.constructor, bCtor = b.constructor;
|
|
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
|
|
_.isFunction(bCtor) && (bCtor instanceof bCtor))) {
|
|
return false;
|
|
}
|
|
// Deep compare objects.
|
|
for (var key in a) {
|
|
if (_.has(a, key)) {
|
|
// Count the expected number of properties.
|
|
size++;
|
|
// Deep compare each member.
|
|
if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
|
|
}
|
|
}
|
|
// Ensure that both objects contain the same number of properties.
|
|
if (result) {
|
|
for (key in b) {
|
|
if (_.has(b, key) && !(size--)) break;
|
|
}
|
|
result = !size;
|
|
}
|
|
}
|
|
// Remove the first object from the stack of traversed objects.
|
|
aStack.pop();
|
|
bStack.pop();
|
|
return result;
|
|
};
|
|
|
|
// Perform a deep comparison to check if two objects are equal.
|
|
_.isEqual = function(a, b) {
|
|
return eq(a, b, [], []);
|
|
};
|
|
|
|
// Is a given array, string, or object empty?
|
|
// An "empty" object has no enumerable own-properties.
|
|
_.isEmpty = function(obj) {
|
|
if (obj == null) return true;
|
|
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
|
|
for (var key in obj) if (_.has(obj, key)) return false;
|
|
return true;
|
|
};
|
|
|
|
// Is a given value a DOM element?
|
|
_.isElement = function(obj) {
|
|
return !!(obj && obj.nodeType === 1);
|
|
};
|
|
|
|
// Is a given value an array?
|
|
// Delegates to ECMA5's native Array.isArray
|
|
_.isArray = nativeIsArray || function(obj) {
|
|
return toString.call(obj) == '[object Array]';
|
|
};
|
|
|
|
// Is a given variable an object?
|
|
_.isObject = function(obj) {
|
|
return obj === Object(obj);
|
|
};
|
|
|
|
// Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
|
|
each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
|
|
_['is' + name] = function(obj) {
|
|
return toString.call(obj) == '[object ' + name + ']';
|
|
};
|
|
});
|
|
|
|
// Define a fallback version of the method in browsers (ahem, IE), where
|
|
// there isn't any inspectable "Arguments" type.
|
|
if (!_.isArguments(arguments)) {
|
|
_.isArguments = function(obj) {
|
|
return !!(obj && _.has(obj, 'callee'));
|
|
};
|
|
}
|
|
|
|
// Optimize `isFunction` if appropriate.
|
|
if (typeof (/./) !== 'function') {
|
|
_.isFunction = function(obj) {
|
|
return typeof obj === 'function';
|
|
};
|
|
}
|
|
|
|
// Is a given object a finite number?
|
|
_.isFinite = function(obj) {
|
|
return isFinite(obj) && !isNaN(parseFloat(obj));
|
|
};
|
|
|
|
// Is the given value `NaN`? (NaN is the only number which does not equal itself).
|
|
_.isNaN = function(obj) {
|
|
return _.isNumber(obj) && obj != +obj;
|
|
};
|
|
|
|
// Is a given value a boolean?
|
|
_.isBoolean = function(obj) {
|
|
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
|
|
};
|
|
|
|
// Is a given value equal to null?
|
|
_.isNull = function(obj) {
|
|
return obj === null;
|
|
};
|
|
|
|
// Is a given variable undefined?
|
|
_.isUndefined = function(obj) {
|
|
return obj === void 0;
|
|
};
|
|
|
|
// Shortcut function for checking if an object has a given property directly
|
|
// on itself (in other words, not on a prototype).
|
|
_.has = function(obj, key) {
|
|
return hasOwnProperty.call(obj, key);
|
|
};
|
|
|
|
// Utility Functions
|
|
// -----------------
|
|
|
|
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
|
|
// previous owner. Returns a reference to the Underscore object.
|
|
_.noConflict = function() {
|
|
root._ = previousUnderscore;
|
|
return this;
|
|
};
|
|
|
|
// Keep the identity function around for default iterators.
|
|
_.identity = function(value) {
|
|
return value;
|
|
};
|
|
|
|
// Run a function **n** times.
|
|
_.times = function(n, iterator, context) {
|
|
var accum = Array(n);
|
|
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
|
|
return accum;
|
|
};
|
|
|
|
// Return a random integer between min and max (inclusive).
|
|
_.random = function(min, max) {
|
|
if (max == null) {
|
|
max = min;
|
|
min = 0;
|
|
}
|
|
return min + Math.floor(Math.random() * (max - min + 1));
|
|
};
|
|
|
|
// List of HTML entities for escaping.
|
|
var entityMap = {
|
|
escape: {
|
|
'&': '&',
|
|
'<': '<',
|
|
'>': '>',
|
|
'"': '"',
|
|
"'": ''',
|
|
'/': '/'
|
|
}
|
|
};
|
|
entityMap.unescape = _.invert(entityMap.escape);
|
|
|
|
// Regexes containing the keys and values listed immediately above.
|
|
var entityRegexes = {
|
|
escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
|
|
unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
|
|
};
|
|
|
|
// Functions for escaping and unescaping strings to/from HTML interpolation.
|
|
_.each(['escape', 'unescape'], function(method) {
|
|
_[method] = function(string) {
|
|
if (string == null) return '';
|
|
return ('' + string).replace(entityRegexes[method], function(match) {
|
|
return entityMap[method][match];
|
|
});
|
|
};
|
|
});
|
|
|
|
// If the value of the named property is a function then invoke it;
|
|
// otherwise, return it.
|
|
_.result = function(object, property) {
|
|
if (object == null) return null;
|
|
var value = object[property];
|
|
return _.isFunction(value) ? value.call(object) : value;
|
|
};
|
|
|
|
// Add your own custom functions to the Underscore object.
|
|
_.mixin = function(obj) {
|
|
each(_.functions(obj), function(name){
|
|
var func = _[name] = obj[name];
|
|
_.prototype[name] = function() {
|
|
var args = [this._wrapped];
|
|
push.apply(args, arguments);
|
|
return result.call(this, func.apply(_, args));
|
|
};
|
|
});
|
|
};
|
|
|
|
// Generate a unique integer id (unique within the entire client session).
|
|
// Useful for temporary DOM ids.
|
|
var idCounter = 0;
|
|
_.uniqueId = function(prefix) {
|
|
var id = ++idCounter + '';
|
|
return prefix ? prefix + id : id;
|
|
};
|
|
|
|
// By default, Underscore uses ERB-style template delimiters, change the
|
|
// following template settings to use alternative delimiters.
|
|
_.templateSettings = {
|
|
evaluate : /<%([\s\S]+?)%>/g,
|
|
interpolate : /<%=([\s\S]+?)%>/g,
|
|
escape : /<%-([\s\S]+?)%>/g
|
|
};
|
|
|
|
// When customizing `templateSettings`, if you don't want to define an
|
|
// interpolation, evaluation or escaping regex, we need one that is
|
|
// guaranteed not to match.
|
|
var noMatch = /(.)^/;
|
|
|
|
// Certain characters need to be escaped so that they can be put into a
|
|
// string literal.
|
|
var escapes = {
|
|
"'": "'",
|
|
'\\': '\\',
|
|
'\r': 'r',
|
|
'\n': 'n',
|
|
'\t': 't',
|
|
'\u2028': 'u2028',
|
|
'\u2029': 'u2029'
|
|
};
|
|
|
|
var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
|
|
|
|
// JavaScript micro-templating, similar to John Resig's implementation.
|
|
// Underscore templating handles arbitrary delimiters, preserves whitespace,
|
|
// and correctly escapes quotes within interpolated code.
|
|
_.template = function(text, data, settings) {
|
|
var render;
|
|
settings = _.defaults({}, settings, _.templateSettings);
|
|
|
|
// Combine delimiters into one regular expression via alternation.
|
|
var matcher = new RegExp([
|
|
(settings.escape || noMatch).source,
|
|
(settings.interpolate || noMatch).source,
|
|
(settings.evaluate || noMatch).source
|
|
].join('|') + '|$', 'g');
|
|
|
|
// Compile the template source, escaping string literals appropriately.
|
|
var index = 0;
|
|
var source = "__p+='";
|
|
text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
|
|
source += text.slice(index, offset)
|
|
.replace(escaper, function(match) { return '\\' + escapes[match]; });
|
|
|
|
if (escape) {
|
|
source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
|
|
}
|
|
if (interpolate) {
|
|
source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
|
|
}
|
|
if (evaluate) {
|
|
source += "';\n" + evaluate + "\n__p+='";
|
|
}
|
|
index = offset + match.length;
|
|
return match;
|
|
});
|
|
source += "';\n";
|
|
|
|
// If a variable is not specified, place data values in local scope.
|
|
if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
|
|
|
|
source = "var __t,__p='',__j=Array.prototype.join," +
|
|
"print=function(){__p+=__j.call(arguments,'');};\n" +
|
|
source + "return __p;\n";
|
|
|
|
try {
|
|
render = new Function(settings.variable || 'obj', '_', source);
|
|
} catch (e) {
|
|
e.source = source;
|
|
throw e;
|
|
}
|
|
|
|
if (data) return render(data, _);
|
|
var template = function(data) {
|
|
return render.call(this, data, _);
|
|
};
|
|
|
|
// Provide the compiled function source as a convenience for precompilation.
|
|
template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
|
|
|
|
return template;
|
|
};
|
|
|
|
// Add a "chain" function, which will delegate to the wrapper.
|
|
_.chain = function(obj) {
|
|
return _(obj).chain();
|
|
};
|
|
|
|
// OOP
|
|
// ---------------
|
|
// If Underscore is called as a function, it returns a wrapped object that
|
|
// can be used OO-style. This wrapper holds altered versions of all the
|
|
// underscore functions. Wrapped objects may be chained.
|
|
|
|
// Helper function to continue chaining intermediate results.
|
|
var result = function(obj) {
|
|
return this._chain ? _(obj).chain() : obj;
|
|
};
|
|
|
|
// Add all of the Underscore functions to the wrapper object.
|
|
_.mixin(_);
|
|
|
|
// Add all mutator Array functions to the wrapper.
|
|
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
|
|
var method = ArrayProto[name];
|
|
_.prototype[name] = function() {
|
|
var obj = this._wrapped;
|
|
method.apply(obj, arguments);
|
|
if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
|
|
return result.call(this, obj);
|
|
};
|
|
});
|
|
|
|
// Add all accessor Array functions to the wrapper.
|
|
each(['concat', 'join', 'slice'], function(name) {
|
|
var method = ArrayProto[name];
|
|
_.prototype[name] = function() {
|
|
return result.call(this, method.apply(this._wrapped, arguments));
|
|
};
|
|
});
|
|
|
|
_.extend(_.prototype, {
|
|
|
|
// Start chaining a wrapped Underscore object.
|
|
chain: function() {
|
|
this._chain = true;
|
|
return this;
|
|
},
|
|
|
|
// Extracts the result from a wrapped and chained object.
|
|
value: function() {
|
|
return this._wrapped;
|
|
}
|
|
|
|
});
|
|
|
|
}).call(this);
|
|
|
|
},
|
|
{}],
|
|
2:[function(req,module,exports){
|
|
"use strict";
|
|
|
|
var _ = req("underscore");
|
|
|
|
var errors = {
|
|
// JSHint options
|
|
E001: "Bad option: '{a}'.",
|
|
E002: "Bad option value.",
|
|
|
|
// JSHint input
|
|
E003: "Expected a JSON value.",
|
|
E004: "Input is neither a string nor an array of strings.",
|
|
E005: "Input is empty.",
|
|
E006: "Unexpected early end of program.",
|
|
|
|
// Strict mode
|
|
E007: "Missing \"use strict\" statement.",
|
|
E008: "Strict violation.",
|
|
E009: "Option 'validthis' can't be used in a global scope.",
|
|
E010: "'with' is not allowed in strict mode.",
|
|
|
|
// Constants
|
|
E011: "const '{a}' has already been declared.",
|
|
E012: "const '{a}' is initialized to 'undefined'.",
|
|
E013: "Attempting to override '{a}' which is a constant.",
|
|
|
|
// Regular expressions
|
|
E014: "A regular expression literal can be confused with '/='.",
|
|
E015: "Unclosed regular expression.",
|
|
E016: "Invalid regular expression.",
|
|
|
|
// Tokens
|
|
E017: "Unclosed comment.",
|
|
E018: "Unbegun comment.",
|
|
E019: "Unmatched '{a}'.",
|
|
E020: "Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
|
|
E021: "Expected '{a}' and instead saw '{b}'.",
|
|
E022: "Line breaking error '{a}'.",
|
|
E023: "Missing '{a}'.",
|
|
E024: "Unexpected '{a}'.",
|
|
E025: "Missing ':' on a case clause.",
|
|
E026: "Missing '}' to match '{' from line {a}.",
|
|
E027: "Missing ']' to match '[' form line {a}.",
|
|
E028: "Illegal comma.",
|
|
E029: "Unclosed string.",
|
|
|
|
// Everything else
|
|
E030: "Expected an identifier and instead saw '{a}'.",
|
|
E031: "Bad assignment.", // FIXME: Rephrase
|
|
E032: "Expected a small integer or 'false' and instead saw '{a}'.",
|
|
E033: "Expected an operator and instead saw '{a}'.",
|
|
E034: "get/set are ES5 features.",
|
|
E035: "Missing property name.",
|
|
E036: "Expected to see a statement and instead saw a block.",
|
|
E037: null, // Vacant
|
|
E038: null, // Vacant
|
|
E039: "Function declarations are not invocable. Wrap the whole function invocation in parens.",
|
|
E040: "Each value should have its own case label.",
|
|
E041: "Unrecoverable syntax error.",
|
|
E042: "Stopping.",
|
|
E043: "Too many errors.",
|
|
E044: "'{a}' is already defined and can't be redefined.",
|
|
E045: "Invalid for each loop.",
|
|
E046: "A yield statement shall be within a generator function (with syntax: `function*`)",
|
|
E047: "A generator function shall contain a yield statement.",
|
|
E048: "Let declaration not directly within block.",
|
|
E049: "A {a} cannot be named '{b}'.",
|
|
E050: "Mozilla requires the yield expression to be parenthesized here.",
|
|
E051: "Regular parameters cannot come after default parameters."
|
|
};
|
|
|
|
var warnings = {
|
|
W001: "'hasOwnProperty' is a really bad name.",
|
|
W002: "Value of '{a}' may be overwritten in IE 8 and earlier.",
|
|
W003: "'{a}' was used before it was defined.",
|
|
W004: "'{a}' is already defined.",
|
|
W005: "A dot following a number can be confused with a decimal point.",
|
|
W006: "Confusing minuses.",
|
|
W007: "Confusing pluses.",
|
|
W008: "A leading decimal point can be confused with a dot: '{a}'.",
|
|
W009: "The array literal notation [] is preferrable.",
|
|
W010: "The object literal notation {} is preferrable.",
|
|
W011: "Unexpected space after '{a}'.",
|
|
W012: "Unexpected space before '{a}'.",
|
|
W013: "Missing space after '{a}'.",
|
|
W014: "Bad line breaking before '{a}'.",
|
|
W015: "Expected '{a}' to have an indentation at {b} instead at {c}.",
|
|
W016: "Unexpected use of '{a}'.",
|
|
W017: "Bad operand.",
|
|
W018: "Confusing use of '{a}'.",
|
|
W019: "Use the isNaN function to compare with NaN.",
|
|
W020: "Read only.",
|
|
W021: "'{a}' is a function.",
|
|
W022: "Do not assign to the exception parameter.",
|
|
W023: "Expected an identifier in an assignment and instead saw a function invocation.",
|
|
W024: "Expected an identifier and instead saw '{a}' (a reserved word).",
|
|
W025: "Missing name in function declaration.",
|
|
W026: "Inner functions should be listed at the top of the outer function.",
|
|
W027: "Unreachable '{a}' after '{b}'.",
|
|
W028: "Label '{a}' on {b} statement.",
|
|
W030: "Expected an assignment or function call and instead saw an expression.",
|
|
W031: "Do not use 'new' for side effects.",
|
|
W032: "Unnecessary semicolon.",
|
|
W033: "Missing semicolon.",
|
|
W034: "Unnecessary directive \"{a}\".",
|
|
W035: "Empty block.",
|
|
W036: "Unexpected /*member '{a}'.",
|
|
W037: "'{a}' is a statement label.",
|
|
W038: "'{a}' used out of scope.",
|
|
W039: "'{a}' is not allowed.",
|
|
W040: "Possible strict violation.",
|
|
W041: "Use '{a}' to compare with '{b}'.",
|
|
W042: "Avoid EOL escaping.",
|
|
W043: "Bad escaping of EOL. Use option multistr if needed.",
|
|
W044: "Bad or unnecessary escaping.",
|
|
W045: "Bad number '{a}'.",
|
|
W046: "Don't use extra leading zeros '{a}'.",
|
|
W047: "A trailing decimal point can be confused with a dot: '{a}'.",
|
|
W048: "Unexpected control character in regular expression.",
|
|
W049: "Unexpected escaped character '{a}' in regular expression.",
|
|
W050: "JavaScript URL.",
|
|
W051: "Variables should not be deleted.",
|
|
W052: "Unexpected '{a}'.",
|
|
W053: "Do not use {a} as a constructor.",
|
|
W054: "The Function constructor is a form of eval.",
|
|
W055: "A constructor name should start with an uppercase letter.",
|
|
W056: "Bad constructor.",
|
|
W057: "Weird construction. Is 'new' unnecessary?",
|
|
W058: "Missing '()' invoking a constructor.",
|
|
W059: "Avoid arguments.{a}.",
|
|
W060: "document.write can be a form of eval.",
|
|
W061: "eval can be harmful.",
|
|
W062: "Wrap an immediate function invocation in parens " +
|
|
"to assist the reader in understanding that the expression " +
|
|
"is the result of a function, and not the function itself.",
|
|
W063: "Math is not a function.",
|
|
W064: "Missing 'new' prefix when invoking a constructor.",
|
|
W065: "Missing radix parameter.",
|
|
W066: "Implied eval. Consider passing a function instead of a string.",
|
|
W067: "Bad invocation.",
|
|
W068: "Wrapping non-IIFE function literals in parens is unnecessary.",
|
|
W069: "['{a}'] is better written in dot notation.",
|
|
W070: "Extra comma. (it breaks older versions of IE)",
|
|
W071: "This function has too many statements. ({a})",
|
|
W072: "This function has too many parameters. ({a})",
|
|
W073: "Blocks are nested too deeply. ({a})",
|
|
W074: "This function's cyclomatic complexity is too high. ({a})",
|
|
W075: "Duplicate key '{a}'.",
|
|
W076: "Unexpected parameter '{a}' in get {b} function.",
|
|
W077: "Expected a single parameter in set {a} function.",
|
|
W078: "Setter is defined without getter.",
|
|
W079: "Redefinition of '{a}'.",
|
|
W080: "It's not necessary to initialize '{a}' to 'undefined'.",
|
|
W081: "Too many var statements.",
|
|
W082: "Function declarations should not be placed in blocks. " +
|
|
"Use a function expression or move the statement to the top of " +
|
|
"the outer function.",
|
|
W083: "Don't make functions within a loop.",
|
|
W084: "Assignment in conditional expression",
|
|
W085: "Don't use 'with'.",
|
|
W086: "Expected a 'break' statement before '{a}'.",
|
|
W087: "Forgotten 'debugger' statement?",
|
|
W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
|
|
W089: "The body of a for in should be wrapped in an if statement to filter " +
|
|
"unwanted properties from the prototype.",
|
|
W090: "'{a}' is not a statement label.",
|
|
W091: "'{a}' is out of scope.",
|
|
W092: "Wrap the /regexp/ literal in parens to disambiguate the slash operator.",
|
|
W093: "Did you mean to return a conditional instead of an assignment?",
|
|
W094: "Unexpected comma.",
|
|
W095: "Expected a string and instead saw {a}.",
|
|
W096: "The '{a}' key may produce unexpected results.",
|
|
W097: "Use the function form of \"use strict\".",
|
|
W098: "'{a}' is defined but never used.",
|
|
W099: "Mixed spaces and tabs.",
|
|
W100: "This character may get silently deleted by one or more browsers.",
|
|
W101: "Line is too long.",
|
|
W102: "Trailing whitespace.",
|
|
W103: "The '{a}' property is deprecated.",
|
|
W104: "'{a}' is only available in JavaScript 1.7.",
|
|
W105: "Unexpected {a} in '{b}'.",
|
|
W106: "Identifier '{a}' is not in camel case.",
|
|
W107: "Script URL.",
|
|
W108: "Strings must use doublequote.",
|
|
W109: "Strings must use singlequote.",
|
|
W110: "Mixed double and single quotes.",
|
|
W112: "Unclosed string.",
|
|
W113: "Control character in string: {a}.",
|
|
W114: "Avoid {a}.",
|
|
W115: "Octal literals are not allowed in strict mode.",
|
|
W116: "Expected '{a}' and instead saw '{b}'.",
|
|
W117: "'{a}' is not defined.",
|
|
W118: "'{a}' is only available in Mozilla JavaScript extensions (use moz option).",
|
|
W119: "'{a}' is only available in ES6 (use esnext option).",
|
|
W120: "You might be leaking a variable ({a}) here."
|
|
};
|
|
|
|
var info = {
|
|
I001: "Comma warnings can be turned off with 'laxcomma'.",
|
|
I002: "Reserved words as properties can be used under the 'es5' option.",
|
|
I003: "ES5 option is now set per default"
|
|
};
|
|
|
|
exports.errors = {};
|
|
exports.warnings = {};
|
|
exports.info = {};
|
|
|
|
_.each(errors, function (desc, code) {
|
|
exports.errors[code] = { code: code, desc: desc };
|
|
});
|
|
|
|
_.each(warnings, function (desc, code) {
|
|
exports.warnings[code] = { code: code, desc: desc };
|
|
});
|
|
|
|
_.each(info, function (desc, code) {
|
|
exports.info[code] = { code: code, desc: desc };
|
|
});
|
|
|
|
},
|
|
{"underscore":1}],
|
|
3:[function(req,module,exports){
|
|
// jshint -W001
|
|
|
|
"use strict";
|
|
|
|
// Identifiers provided by the ECMAScript standard.
|
|
|
|
exports.reservedVars = {
|
|
arguments : false,
|
|
NaN : false
|
|
};
|
|
|
|
exports.ecmaIdentifiers = {
|
|
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,
|
|
Math : false,
|
|
Map : 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
|
|
};
|
|
|
|
// Global variables commonly provided by a web browser environment.
|
|
|
|
exports.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,
|
|
CustomEvent : false,
|
|
DataView : false,
|
|
DOMParser : false,
|
|
defaultStatus : false,
|
|
document : false,
|
|
Element : false,
|
|
ElementTimeControl : 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,
|
|
MouseEvent : 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,
|
|
SVGAElement : false,
|
|
SVGAltGlyphDefElement: false,
|
|
SVGAltGlyphElement : false,
|
|
SVGAltGlyphItemElement: false,
|
|
SVGAngle : false,
|
|
SVGAnimateColorElement: false,
|
|
SVGAnimateElement : false,
|
|
SVGAnimateMotionElement: false,
|
|
SVGAnimateTransformElement: false,
|
|
SVGAnimatedAngle : false,
|
|
SVGAnimatedBoolean : false,
|
|
SVGAnimatedEnumeration: false,
|
|
SVGAnimatedInteger : false,
|
|
SVGAnimatedLength : false,
|
|
SVGAnimatedLengthList: false,
|
|
SVGAnimatedNumber : false,
|
|
SVGAnimatedNumberList: false,
|
|
SVGAnimatedPathData : false,
|
|
SVGAnimatedPoints : false,
|
|
SVGAnimatedPreserveAspectRatio: false,
|
|
SVGAnimatedRect : false,
|
|
SVGAnimatedString : false,
|
|
SVGAnimatedTransformList: false,
|
|
SVGAnimationElement : false,
|
|
SVGCSSRule : false,
|
|
SVGCircleElement : false,
|
|
SVGClipPathElement : false,
|
|
SVGColor : false,
|
|
SVGColorProfileElement: false,
|
|
SVGColorProfileRule : false,
|
|
SVGComponentTransferFunctionElement: false,
|
|
SVGCursorElement : false,
|
|
SVGDefsElement : false,
|
|
SVGDescElement : false,
|
|
SVGDocument : false,
|
|
SVGElement : false,
|
|
SVGElementInstance : false,
|
|
SVGElementInstanceList: false,
|
|
SVGEllipseElement : false,
|
|
SVGExternalResourcesRequired: false,
|
|
SVGFEBlendElement : false,
|
|
SVGFEColorMatrixElement: false,
|
|
SVGFEComponentTransferElement: false,
|
|
SVGFECompositeElement: false,
|
|
SVGFEConvolveMatrixElement: false,
|
|
SVGFEDiffuseLightingElement: false,
|
|
SVGFEDisplacementMapElement: false,
|
|
SVGFEDistantLightElement: false,
|
|
SVGFEFloodElement : false,
|
|
SVGFEFuncAElement : false,
|
|
SVGFEFuncBElement : false,
|
|
SVGFEFuncGElement : false,
|
|
SVGFEFuncRElement : false,
|
|
SVGFEGaussianBlurElement: false,
|
|
SVGFEImageElement : false,
|
|
SVGFEMergeElement : false,
|
|
SVGFEMergeNodeElement: false,
|
|
SVGFEMorphologyElement: false,
|
|
SVGFEOffsetElement : false,
|
|
SVGFEPointLightElement: false,
|
|
SVGFESpecularLightingElement: false,
|
|
SVGFESpotLightElement: false,
|
|
SVGFETileElement : false,
|
|
SVGFETurbulenceElement: false,
|
|
SVGFilterElement : false,
|
|
SVGFilterPrimitiveStandardAttributes: false,
|
|
SVGFitToViewBox : false,
|
|
SVGFontElement : false,
|
|
SVGFontFaceElement : false,
|
|
SVGFontFaceFormatElement: false,
|
|
SVGFontFaceNameElement: false,
|
|
SVGFontFaceSrcElement: false,
|
|
SVGFontFaceUriElement: false,
|
|
SVGForeignObjectElement: false,
|
|
SVGGElement : false,
|
|
SVGGlyphElement : false,
|
|
SVGGlyphRefElement : false,
|
|
SVGGradientElement : false,
|
|
SVGHKernElement : false,
|
|
SVGICCColor : false,
|
|
SVGImageElement : false,
|
|
SVGLangSpace : false,
|
|
SVGLength : false,
|
|
SVGLengthList : false,
|
|
SVGLineElement : false,
|
|
SVGLinearGradientElement: false,
|
|
SVGLocatable : false,
|
|
SVGMPathElement : false,
|
|
SVGMarkerElement : false,
|
|
SVGMaskElement : false,
|
|
SVGMatrix : false,
|
|
SVGMetadataElement : false,
|
|
SVGMissingGlyphElement: false,
|
|
SVGNumber : false,
|
|
SVGNumberList : false,
|
|
SVGPaint : false,
|
|
SVGPathElement : false,
|
|
SVGPathSeg : false,
|
|
SVGPathSegArcAbs : false,
|
|
SVGPathSegArcRel : false,
|
|
SVGPathSegClosePath : false,
|
|
SVGPathSegCurvetoCubicAbs: false,
|
|
SVGPathSegCurvetoCubicRel: false,
|
|
SVGPathSegCurvetoCubicSmoothAbs: false,
|
|
SVGPathSegCurvetoCubicSmoothRel: false,
|
|
SVGPathSegCurvetoQuadraticAbs: false,
|
|
SVGPathSegCurvetoQuadraticRel: false,
|
|
SVGPathSegCurvetoQuadraticSmoothAbs: false,
|
|
SVGPathSegCurvetoQuadraticSmoothRel: false,
|
|
SVGPathSegLinetoAbs : false,
|
|
SVGPathSegLinetoHorizontalAbs: false,
|
|
SVGPathSegLinetoHorizontalRel: false,
|
|
SVGPathSegLinetoRel : false,
|
|
SVGPathSegLinetoVerticalAbs: false,
|
|
SVGPathSegLinetoVerticalRel: false,
|
|
SVGPathSegList : false,
|
|
SVGPathSegMovetoAbs : false,
|
|
SVGPathSegMovetoRel : false,
|
|
SVGPatternElement : false,
|
|
SVGPoint : false,
|
|
SVGPointList : false,
|
|
SVGPolygonElement : false,
|
|
SVGPolylineElement : false,
|
|
SVGPreserveAspectRatio: false,
|
|
SVGRadialGradientElement: false,
|
|
SVGRect : false,
|
|
SVGRectElement : false,
|
|
SVGRenderingIntent : false,
|
|
SVGSVGElement : false,
|
|
SVGScriptElement : false,
|
|
SVGSetElement : false,
|
|
SVGStopElement : false,
|
|
SVGStringList : false,
|
|
SVGStylable : false,
|
|
SVGStyleElement : false,
|
|
SVGSwitchElement : false,
|
|
SVGSymbolElement : false,
|
|
SVGTRefElement : false,
|
|
SVGTSpanElement : false,
|
|
SVGTests : false,
|
|
SVGTextContentElement: false,
|
|
SVGTextElement : false,
|
|
SVGTextPathElement : false,
|
|
SVGTextPositioningElement: false,
|
|
SVGTitleElement : false,
|
|
SVGTransform : false,
|
|
SVGTransformList : false,
|
|
SVGTransformable : false,
|
|
SVGURIReference : false,
|
|
SVGUnitTypes : false,
|
|
SVGUseElement : false,
|
|
SVGVKernElement : false,
|
|
SVGViewElement : false,
|
|
SVGViewSpec : false,
|
|
SVGZoomAndPan : false,
|
|
TimeEvent : false,
|
|
top : false,
|
|
Uint16Array : false,
|
|
Uint32Array : false,
|
|
Uint8Array : false,
|
|
Uint8ClampedArray : false,
|
|
WebSocket : false,
|
|
window : false,
|
|
Worker : false,
|
|
XMLHttpRequest : false,
|
|
XMLSerializer : false,
|
|
XPathEvaluator : false,
|
|
XPathException : false,
|
|
XPathExpression : false,
|
|
XPathNamespace : false,
|
|
XPathNSResolver : false,
|
|
XPathResult : false
|
|
};
|
|
|
|
exports.devel = {
|
|
alert : false,
|
|
confirm: false,
|
|
console: false,
|
|
Debug : false,
|
|
opera : false,
|
|
prompt : false
|
|
};
|
|
|
|
exports.worker = {
|
|
importScripts: true,
|
|
postMessage : true,
|
|
self : true
|
|
};
|
|
|
|
// Widely adopted global names that are not part of ECMAScript standard
|
|
exports.nonstandard = {
|
|
escape : false,
|
|
unescape: false
|
|
};
|
|
|
|
// Globals provided by popular JavaScript environments.
|
|
|
|
exports.couch = {
|
|
"require" : false,
|
|
respond : false,
|
|
getRow : false,
|
|
emit : false,
|
|
send : false,
|
|
start : false,
|
|
sum : false,
|
|
log : false,
|
|
exports : false,
|
|
module : false,
|
|
provides : false
|
|
};
|
|
|
|
exports.node = {
|
|
__filename : false,
|
|
__dirname : false,
|
|
Buffer : false,
|
|
DataView : false,
|
|
console : false,
|
|
exports : true, // In Node it is ok to exports = module.exports = foo();
|
|
GLOBAL : false,
|
|
global : false,
|
|
module : false,
|
|
process : false,
|
|
require : false,
|
|
setTimeout : false,
|
|
clearTimeout : false,
|
|
setInterval : false,
|
|
clearInterval : false,
|
|
setImmediate : false, // v0.9.1+
|
|
clearImmediate: false // v0.9.1+
|
|
};
|
|
|
|
exports.phantom = {
|
|
phantom : true,
|
|
require : true,
|
|
WebPage : true
|
|
};
|
|
|
|
exports.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
|
|
};
|
|
|
|
exports.shelljs = {
|
|
target : false,
|
|
echo : false,
|
|
exit : false,
|
|
cd : false,
|
|
pwd : false,
|
|
ls : false,
|
|
find : false,
|
|
cp : false,
|
|
rm : false,
|
|
mv : false,
|
|
mkdir : false,
|
|
test : false,
|
|
cat : false,
|
|
sed : false,
|
|
grep : false,
|
|
which : false,
|
|
dirs : false,
|
|
pushd : false,
|
|
popd : false,
|
|
env : false,
|
|
exec : false,
|
|
chmod : false,
|
|
config : false,
|
|
error : false,
|
|
tempdir : false
|
|
};
|
|
|
|
exports.wsh = {
|
|
ActiveXObject : true,
|
|
Enumerator : true,
|
|
GetObject : true,
|
|
ScriptEngine : true,
|
|
ScriptEngineBuildVersion : true,
|
|
ScriptEngineMajorVersion : true,
|
|
ScriptEngineMinorVersion : true,
|
|
VBArray : true,
|
|
WSH : true,
|
|
WScript : true,
|
|
XDomainRequest : true
|
|
};
|
|
|
|
// Globals provided by popular JavaScript libraries.
|
|
|
|
exports.dojo = {
|
|
dojo : false,
|
|
dijit : false,
|
|
dojox : false,
|
|
define : false,
|
|
"require": false
|
|
};
|
|
|
|
exports.jquery = {
|
|
"$" : false,
|
|
jQuery : false
|
|
};
|
|
|
|
exports.mootools = {
|
|
"$" : false,
|
|
"$$" : false,
|
|
Asset : false,
|
|
Browser : false,
|
|
Chain : false,
|
|
Class : false,
|
|
Color : false,
|
|
Cookie : false,
|
|
Core : false,
|
|
Document : false,
|
|
DomReady : false,
|
|
DOMEvent : false,
|
|
DOMReady : false,
|
|
Drag : false,
|
|
Element : false,
|
|
Elements : false,
|
|
Event : false,
|
|
Events : false,
|
|
Fx : false,
|
|
Group : false,
|
|
Hash : false,
|
|
HtmlTable : false,
|
|
Iframe : false,
|
|
IframeShim : false,
|
|
InputValidator: false,
|
|
instanceOf : false,
|
|
Keyboard : false,
|
|
Locale : false,
|
|
Mask : false,
|
|
MooTools : false,
|
|
Native : false,
|
|
Options : false,
|
|
OverText : false,
|
|
Request : false,
|
|
Scroller : false,
|
|
Slick : false,
|
|
Slider : false,
|
|
Sortables : false,
|
|
Spinner : false,
|
|
Swiff : false,
|
|
Tips : false,
|
|
Type : false,
|
|
typeOf : false,
|
|
URI : false,
|
|
Window : false
|
|
};
|
|
|
|
exports.prototypejs = {
|
|
"$" : false,
|
|
"$$" : 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
|
|
};
|
|
|
|
exports.yui = {
|
|
YUI : false,
|
|
Y : false,
|
|
YUI_config: false
|
|
};
|
|
|
|
|
|
},
|
|
{}],
|
|
"n4bKNg":[function(req,module,exports){
|
|
/*!
|
|
* JSHint, by JSHint Community.
|
|
*
|
|
* This file (and this file only) is licensed under the same slightly modified
|
|
* MIT license that JSLint is. It stops evil-doers everywhere:
|
|
*
|
|
* Copyright (c) 2002 Douglas Crockford (www.JSLint.com)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom
|
|
* the Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* The Software shall be used for Good, not Evil.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
/*jshint quotmark:double */
|
|
/*global console:true */
|
|
/*exported console */
|
|
|
|
var _ = req("underscore");
|
|
var events = req("events");
|
|
var vars = req("../shared/vars.js");
|
|
var messages = req("../shared/messages.js");
|
|
var Lexer = req("./lex.js").Lexer;
|
|
var reg = req("./reg.js");
|
|
var state = req("./state.js").state;
|
|
var style = req("./style.js");
|
|
|
|
// We need this module here because environments such as IE and Rhino
|
|
// don't necessarilly expose the 'console' API and browserify uses
|
|
// it to log things. It's a sad state of affair, really.
|
|
var console = req("console-browserify");
|
|
|
|
// We build the application inside a function so that we produce only a singleton
|
|
// variable. That function will be invoked immediately, and its return value is
|
|
// the JSHINT function itself.
|
|
|
|
var JSHINT = (function () {
|
|
"use strict";
|
|
|
|
var anonname, // The guessed name for anonymous functions.
|
|
api, // Extension API
|
|
|
|
// These are operators that should not be used with the ! operator.
|
|
bang = {
|
|
"<" : true,
|
|
"<=" : true,
|
|
"==" : true,
|
|
"===": true,
|
|
"!==": true,
|
|
"!=" : true,
|
|
">" : true,
|
|
">=" : true,
|
|
"+" : true,
|
|
"-" : true,
|
|
"*" : true,
|
|
"/" : true,
|
|
"%" : true
|
|
},
|
|
|
|
// These are the JSHint boolean options.
|
|
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 required in camel case
|
|
couch : true, // if CouchDB globals should be predefined
|
|
curly : true, // if curly braces around all blocks should be required
|
|
debug : true, // if debugger statements should be allowed
|
|
devel : true, // if logging globals should be predefined (console, alert, etc.)
|
|
dojo : true, // if Dojo Toolkit globals should be predefined
|
|
eqeqeq : true, // if === should be required
|
|
eqnull : true, // if == null comparisons should be tolerated
|
|
es3 : true, // if ES3 syntax should be allowed
|
|
es5 : true, // if ES5 syntax should be allowed (is now set per default)
|
|
esnext : true, // if es.next specific syntax should be allowed
|
|
moz : true, // if mozilla 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
|
|
gcl : true, // if JSHint should be compatible with Google Closure Linter
|
|
globalstrict: true, // if global "use strict"; should be allowed (also enables 'strict')
|
|
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
|
|
// statements inside of a one-line blocks.
|
|
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
|
|
// loops
|
|
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
|
|
// disallowed
|
|
node : true, // if the Node.js environment globals should be
|
|
// predefined
|
|
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
|
|
// be predefined
|
|
nomen : true, // if names should be checked
|
|
onevar : true, // if only one var statement per function should be
|
|
// allowed
|
|
passfail : true, // if the scan should stop on first error
|
|
phantom : true, // if PhantomJS symbols should be allowed
|
|
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
|
|
// predefined
|
|
rhino : true, // if the Rhino environment globals should be predefined
|
|
shelljs : true, // if ShellJS globals should be predefined
|
|
undef : true, // if variables should be declared before 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
|
|
// (http://www.emacswiki.org/emacs/SmartTabs)
|
|
strict : true, // require the "use strict"; pragma
|
|
sub : true, // if all forms of subscript notation are tolerated
|
|
supernew : true, // if `new function () { ... };` and `new Object;`
|
|
// should be tolerated
|
|
trailing : true, // if trailing whitespace rules apply
|
|
validthis : true, // if 'this' inside a non-constructor function is valid.
|
|
// This is a function scoped option only.
|
|
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
|
|
// should be predefined
|
|
yui : true, // YUI variables should be predefined
|
|
|
|
// Obsolete options
|
|
onecase : true, // if one case switch statements should be allowed
|
|
regexp : true, // if the . should not be allowed in regexp literals
|
|
regexdash : true // if unescaped first/last dash (-) inside brackets
|
|
// should be tolerated
|
|
},
|
|
|
|
// These are the JSHint options that can take any value
|
|
// (we use this object to detect invalid options)
|
|
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
|
|
unused : true, // warn if variables are unused. Available options:
|
|
// false - don't check for unused variables
|
|
// true - "vars" + check last function param
|
|
// "vars" - skip checking unused function params
|
|
// "strict" - "vars" + check all function params
|
|
latedef : false // warn if the variable is used before its definition
|
|
// false - don't emit any warnings
|
|
// true - warn if any variable is used before its definition
|
|
// "nofunc" - warn for any variable but function declarations
|
|
},
|
|
|
|
// These are JSHint boolean options which are shared with JSLint
|
|
// where the definition in JSHint is opposite JSLint
|
|
invertedOptions = {
|
|
bitwise : true,
|
|
forin : true,
|
|
newcap : true,
|
|
nomen : true,
|
|
plusplus: true,
|
|
regexp : true,
|
|
undef : true,
|
|
white : true,
|
|
|
|
// Inverted and renamed, use JSHint name here
|
|
eqeqeq : true,
|
|
onevar : true,
|
|
strict : true
|
|
},
|
|
|
|
// These are JSHint boolean options which are shared with JSLint
|
|
// where the name has been changed but the effect is unchanged
|
|
renamedOptions = {
|
|
eqeq : "eqeqeq",
|
|
vars : "onevar",
|
|
windows: "wsh",
|
|
sloppy : "strict"
|
|
},
|
|
|
|
declared, // Globals that were declared using /*global ... */ syntax.
|
|
exported, // Variables that are used outside of the current file.
|
|
|
|
functionicity = [
|
|
"closure", "exception", "global", "label",
|
|
"outer", "unused", "var"
|
|
],
|
|
|
|
funct, // The current function
|
|
functions, // All of the functions
|
|
|
|
global, // The global scope
|
|
implied, // Implied globals
|
|
inblock,
|
|
indent,
|
|
lookahead,
|
|
lex,
|
|
member,
|
|
membersOnly,
|
|
noreach,
|
|
predefined, // Global variables defined by option
|
|
|
|
scope, // The current scope
|
|
stack,
|
|
unuseds,
|
|
urls,
|
|
warnings,
|
|
|
|
extraModules = [],
|
|
emitter = new events.EventEmitter();
|
|
|
|
function checkOption(name, t) {
|
|
name = name.trim();
|
|
|
|
if (/^[+-]W\d{3}$/g.test(name)) {
|
|
return true;
|
|
}
|
|
|
|
if (valOptions[name] === undefined && boolOptions[name] === undefined) {
|
|
if (t.type !== "jslint") {
|
|
error("E001", t, name);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function isString(obj) {
|
|
return Object.prototype.toString.call(obj) === "[object String]";
|
|
}
|
|
|
|
function isIdentifier(tkn, value) {
|
|
if (!tkn)
|
|
return false;
|
|
|
|
if (!tkn.identifier || tkn.value !== value)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
function isReserved(token) {
|
|
if (!token.reserved) {
|
|
return false;
|
|
}
|
|
var meta = token.meta;
|
|
|
|
if (meta && meta.isFutureReservedWord && state.option.inES5()) {
|
|
// ES3 FutureReservedWord in an ES5 environment.
|
|
if (!meta.es5) {
|
|
return false;
|
|
}
|
|
|
|
// Some ES5 FutureReservedWord identifiers are active only
|
|
// within a strict mode environment.
|
|
if (meta.strictOnly) {
|
|
if (!state.option.strict && !state.directive["use strict"]) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (token.isProperty) {
|
|
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 (_.has(o, n) && !_.has(JSHINT.blacklist, n)) {
|
|
t[n] = o[n];
|
|
}
|
|
}
|
|
}
|
|
|
|
function updatePredefined() {
|
|
Object.keys(JSHINT.blacklist).forEach(function (key) {
|
|
delete predefined[key];
|
|
});
|
|
}
|
|
|
|
function assume() {
|
|
if (state.option.couch) {
|
|
combine(predefined, vars.couch);
|
|
}
|
|
|
|
if (state.option.rhino) {
|
|
combine(predefined, vars.rhino);
|
|
}
|
|
|
|
if (state.option.shelljs) {
|
|
combine(predefined, vars.shelljs);
|
|
combine(predefined, vars.node);
|
|
}
|
|
|
|
if (state.option.phantom) {
|
|
combine(predefined, vars.phantom);
|
|
}
|
|
|
|
if (state.option.prototypejs) {
|
|
combine(predefined, vars.prototypejs);
|
|
}
|
|
|
|
if (state.option.node) {
|
|
combine(predefined, vars.node);
|
|
}
|
|
|
|
if (state.option.devel) {
|
|
combine(predefined, vars.devel);
|
|
}
|
|
|
|
if (state.option.dojo) {
|
|
combine(predefined, vars.dojo);
|
|
}
|
|
|
|
if (state.option.browser) {
|
|
combine(predefined, vars.browser);
|
|
}
|
|
|
|
if (state.option.nonstandard) {
|
|
combine(predefined, vars.nonstandard);
|
|
}
|
|
|
|
if (state.option.jquery) {
|
|
combine(predefined, vars.jquery);
|
|
}
|
|
|
|
if (state.option.mootools) {
|
|
combine(predefined, vars.mootools);
|
|
}
|
|
|
|
if (state.option.worker) {
|
|
combine(predefined, vars.worker);
|
|
}
|
|
|
|
if (state.option.wsh) {
|
|
combine(predefined, vars.wsh);
|
|
}
|
|
|
|
if (state.option.globalstrict && state.option.strict !== false) {
|
|
state.option.strict = true;
|
|
}
|
|
|
|
if (state.option.yui) {
|
|
combine(predefined, vars.yui);
|
|
}
|
|
|
|
// Let's assume that chronologically ES3 < ES5 < ES6/ESNext < Moz
|
|
|
|
state.option.inMoz = function (strict) {
|
|
return state.option.moz;
|
|
};
|
|
|
|
state.option.inESNext = function (strict) {
|
|
return state.option.moz || state.option.esnext;
|
|
};
|
|
|
|
state.option.inES5 = function (/* strict */) {
|
|
return !state.option.es3;
|
|
};
|
|
|
|
state.option.inES3 = function (strict) {
|
|
if (strict) {
|
|
return !state.option.moz && !state.option.esnext && state.option.es3;
|
|
}
|
|
return state.option.es3;
|
|
};
|
|
}
|
|
|
|
// Produce an error warning.
|
|
function quit(code, line, chr) {
|
|
var percentage = Math.floor((line / state.lines.length) * 100);
|
|
var message = messages.errors[code].desc;
|
|
|
|
throw {
|
|
name: "JSHintError",
|
|
line: line,
|
|
character: chr,
|
|
message: message + " (" + percentage + "% scanned).",
|
|
raw: message,
|
|
code: code
|
|
};
|
|
}
|
|
|
|
function isundef(scope, code, token, a) {
|
|
return JSHINT.undefs.push([scope, code, token, a]);
|
|
}
|
|
|
|
function warning(code, t, a, b, c, d) {
|
|
var ch, l, w, msg;
|
|
|
|
if (/^W\d{3}$/.test(code)) {
|
|
if (state.ignored[code])
|
|
return;
|
|
|
|
msg = messages.warnings[code];
|
|
} else if (/E\d{3}/.test(code)) {
|
|
msg = messages.errors[code];
|
|
} else if (/I\d{3}/.test(code)) {
|
|
msg = messages.info[code];
|
|
}
|
|
|
|
t = t || state.tokens.next;
|
|
if (t.id === "(end)") { // `~
|
|
t = state.tokens.curr;
|
|
}
|
|
|
|
l = t.line || 0;
|
|
ch = t.from || 0;
|
|
|
|
w = {
|
|
id: "(error)",
|
|
raw: msg.desc,
|
|
code: msg.code,
|
|
evidence: state.lines[l - 1] || "",
|
|
line: l,
|
|
character: ch,
|
|
scope: JSHINT.scope,
|
|
a: a,
|
|
b: b,
|
|
c: c,
|
|
d: d
|
|
};
|
|
|
|
w.reason = supplant(msg.desc, w);
|
|
JSHINT.errors.push(w);
|
|
|
|
if (state.option.passfail) {
|
|
quit("E042", l, ch);
|
|
}
|
|
|
|
warnings += 1;
|
|
if (warnings >= state.option.maxerr) {
|
|
quit("E043", 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);
|
|
}
|
|
|
|
// Tracking of "internal" scripts, like eval containing a static string
|
|
function addInternalSrc(elem, src) {
|
|
var i;
|
|
i = {
|
|
id: "(internal)",
|
|
elem: elem,
|
|
value: src
|
|
};
|
|
JSHINT.internals.push(i);
|
|
return i;
|
|
}
|
|
|
|
function addlabel(t, type, tkn, islet) {
|
|
// Define t in the current function in the current scope.
|
|
if (type === "exception") {
|
|
if (_.has(funct["(context)"], t)) {
|
|
if (funct[t] !== true && !state.option.node) {
|
|
warning("W002", state.tokens.next, t);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_.has(funct, t) && !funct["(global)"]) {
|
|
if (funct[t] === true) {
|
|
if (state.option.latedef) {
|
|
if ((state.option.latedef === true && _.contains([funct[t], type], "unction")) ||
|
|
!_.contains([funct[t], type], "unction")) {
|
|
warning("W003", state.tokens.next, t);
|
|
}
|
|
}
|
|
} else {
|
|
if (!state.option.shadow && type !== "exception" ||
|
|
(funct["(blockscope)"].getlabel(t))) {
|
|
warning("W004", state.tokens.next, t);
|
|
}
|
|
}
|
|
}
|
|
|
|
// a double definition of a let variable in same block throws a TypeError
|
|
if (funct["(blockscope)"] && funct["(blockscope)"].current.has(t)) {
|
|
error("E044", state.tokens.next, t);
|
|
}
|
|
|
|
// if the identifier is from a let, adds it only to the current blockscope
|
|
if (islet) {
|
|
funct["(blockscope)"].current.add(t, type, state.tokens.curr);
|
|
} else {
|
|
|
|
funct[t] = type;
|
|
|
|
if (tkn) {
|
|
funct["(tokens)"][t] = tkn;
|
|
}
|
|
|
|
if (funct["(global)"]) {
|
|
global[t] = funct;
|
|
if (_.has(implied, t)) {
|
|
if (state.option.latedef) {
|
|
if ((state.option.latedef === true && _.contains([funct[t], type], "unction")) ||
|
|
!_.contains([funct[t], type], "unction")) {
|
|
warning("W003", state.tokens.next, t);
|
|
}
|
|
}
|
|
|
|
delete implied[t];
|
|
}
|
|
} else {
|
|
scope[t] = funct;
|
|
}
|
|
}
|
|
}
|
|
|
|
function doOption() {
|
|
var nt = state.tokens.next;
|
|
var body = nt.body.match(/(-\s+)?[^\s,]+(?:\s*:\s*(-\s+)?[^\s,]+)?/g);
|
|
var predef = {};
|
|
|
|
if (nt.type === "globals") {
|
|
body.forEach(function (g) {
|
|
g = g.split(":");
|
|
var key = (g[0] || "").trim();
|
|
var val = (g[1] || "").trim();
|
|
|
|
if (key.charAt(0) === "-") {
|
|
key = key.slice(1);
|
|
val = false;
|
|
|
|
JSHINT.blacklist[key] = key;
|
|
updatePredefined();
|
|
} else {
|
|
predef[key] = (val === "true");
|
|
}
|
|
});
|
|
|
|
combine(predefined, predef);
|
|
|
|
for (var key in predef) {
|
|
if (_.has(predef, key)) {
|
|
declared[key] = nt;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nt.type === "exported") {
|
|
body.forEach(function (e) {
|
|
exported[e] = true;
|
|
});
|
|
}
|
|
|
|
if (nt.type === "members") {
|
|
membersOnly = membersOnly || {};
|
|
|
|
body.forEach(function (m) {
|
|
var ch1 = m.charAt(0);
|
|
var ch2 = m.charAt(m.length - 1);
|
|
|
|
if (ch1 === ch2 && (ch1 === "\"" || ch1 === "'")) {
|
|
m = m
|
|
.substr(1, m.length - 2)
|
|
.replace("\\b", "\b")
|
|
.replace("\\t", "\t")
|
|
.replace("\\n", "\n")
|
|
.replace("\\v", "\v")
|
|
.replace("\\f", "\f")
|
|
.replace("\\r", "\r")
|
|
.replace("\\\\", "\\")
|
|
.replace("\\\"", "\"");
|
|
}
|
|
|
|
membersOnly[m] = false;
|
|
});
|
|
}
|
|
|
|
var numvals = [
|
|
"maxstatements",
|
|
"maxparams",
|
|
"maxdepth",
|
|
"maxcomplexity",
|
|
"maxerr",
|
|
"maxlen",
|
|
"indent"
|
|
];
|
|
|
|
if (nt.type === "jshint" || nt.type === "jslint") {
|
|
body.forEach(function (g) {
|
|
g = g.split(":");
|
|
var key = (g[0] || "").trim();
|
|
var val = (g[1] || "").trim();
|
|
|
|
if (!checkOption(key, nt)) {
|
|
return;
|
|
}
|
|
|
|
if (numvals.indexOf(key) >= 0) {
|
|
|
|
// GH988 - numeric options can be disabled by setting them to `false`
|
|
if (val !== "false") {
|
|
val = +val;
|
|
|
|
if (typeof val !== "number" || !isFinite(val) || val <= 0 || Math.floor(val) !== val) {
|
|
error("E032", nt, g[1].trim());
|
|
return;
|
|
}
|
|
|
|
if (key === "indent") {
|
|
state.option["(explicitIndent)"] = true;
|
|
}
|
|
state.option[key] = val;
|
|
} else {
|
|
if (key === "indent") {
|
|
state.option["(explicitIndent)"] = false;
|
|
} else {
|
|
state.option[key] = false;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (key === "validthis") {
|
|
// `validthis` is valid only within a function scope.
|
|
if (funct["(global)"]) {
|
|
error("E009");
|
|
} else {
|
|
if (val === "true" || val === "false") {
|
|
state.option.validthis = (val === "true");
|
|
} else {
|
|
error("E002", nt);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (key === "quotmark") {
|
|
switch (val) {
|
|
case "true":
|
|
case "false":
|
|
state.option.quotmark = (val === "true");
|
|
break;
|
|
case "double":
|
|
case "single":
|
|
state.option.quotmark = val;
|
|
break;
|
|
default:
|
|
error("E002", nt);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (key === "unused") {
|
|
switch (val) {
|
|
case "true":
|
|
state.option.unused = true;
|
|
break;
|
|
case "false":
|
|
state.option.unused = false;
|
|
break;
|
|
case "vars":
|
|
case "strict":
|
|
state.option.unused = val;
|
|
break;
|
|
default:
|
|
error("E002", nt);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (key === "latedef") {
|
|
switch (val) {
|
|
case "true":
|
|
state.option.latedef = true;
|
|
break;
|
|
case "false":
|
|
state.option.latedef = false;
|
|
break;
|
|
case "nofunc":
|
|
state.option.latedef = "nofunc";
|
|
break;
|
|
default:
|
|
error("E002", nt);
|
|
}
|
|
return;
|
|
}
|
|
|
|
var match = /^([+-])(W\d{3})$/g.exec(key);
|
|
if (match) {
|
|
// ignore for -W..., unignore for +W...
|
|
state.ignored[match[2]] = (match[1] === "-");
|
|
return;
|
|
}
|
|
|
|
var tn;
|
|
if (val === "true" || val === "false") {
|
|
if (nt.type === "jslint") {
|
|
tn = renamedOptions[key] || key;
|
|
state.option[tn] = (val === "true");
|
|
|
|
if (invertedOptions[tn] !== undefined) {
|
|
state.option[tn] = !state.option[tn];
|
|
}
|
|
} else {
|
|
state.option[key] = (val === "true");
|
|
}
|
|
|
|
if (key === "newcap") {
|
|
state.option["(explicitNewcap)"] = true;
|
|
}
|
|
return;
|
|
}
|
|
|
|
error("E002", nt);
|
|
});
|
|
|
|
assume();
|
|
}
|
|
}
|
|
|
|
// We need a peek function. If it has an argument, it peeks that much farther
|
|
// ahead. It is used to distinguish
|
|
// for ( var i in ...
|
|
// from
|
|
// for ( var i = ...
|
|
|
|
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;
|
|
}
|
|
|
|
// Produce the next token. It looks for programming errors.
|
|
|
|
function advance(id, t) {
|
|
switch (state.tokens.curr.id) {
|
|
case "(number)":
|
|
if (state.tokens.next.id === ".") {
|
|
warning("W005", state.tokens.curr);
|
|
}
|
|
break;
|
|
case "-":
|
|
if (state.tokens.next.id === "-" || state.tokens.next.id === "--") {
|
|
warning("W006");
|
|
}
|
|
break;
|
|
case "+":
|
|
if (state.tokens.next.id === "+" || state.tokens.next.id === "++") {
|
|
warning("W007");
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (state.tokens.curr.type === "(string)" || state.tokens.curr.identifier) {
|
|
anonname = state.tokens.curr.value;
|
|
}
|
|
|
|
if (id && state.tokens.next.id !== id) {
|
|
if (t) {
|
|
if (state.tokens.next.id === "(end)") {
|
|
error("E019", t, t.id);
|
|
} else {
|
|
error("E020", state.tokens.next, id, t.id, t.line, state.tokens.next.value);
|
|
}
|
|
} else if (state.tokens.next.type !== "(identifier)" || state.tokens.next.value !== id) {
|
|
warning("W116", state.tokens.next, id, state.tokens.next.value);
|
|
}
|
|
}
|
|
|
|
state.tokens.prev = state.tokens.curr;
|
|
state.tokens.curr = state.tokens.next;
|
|
for (;;) {
|
|
state.tokens.next = lookahead.shift() || lex.token();
|
|
|
|
if (!state.tokens.next) { // No more tokens left, give up
|
|
quit("E041", state.tokens.curr.line);
|
|
}
|
|
|
|
if (state.tokens.next.id === "(end)" || state.tokens.next.id === "(error)") {
|
|
return;
|
|
}
|
|
|
|
if (state.tokens.next.check) {
|
|
state.tokens.next.check();
|
|
}
|
|
|
|
if (state.tokens.next.isSpecial) {
|
|
doOption();
|
|
} else {
|
|
if (state.tokens.next.id !== "(endline)") {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function isInfix(token) {
|
|
return token.infix || (!token.identifier && !!token.led);
|
|
}
|
|
|
|
function isEndOfExpr() {
|
|
var curr = state.tokens.curr;
|
|
var next = state.tokens.next;
|
|
if (next.id === ";" || next.id === "}" || next.id === ":") {
|
|
return true;
|
|
}
|
|
if (isInfix(next) === isInfix(curr) || (curr.id === "yield" && state.option.inMoz(true))) {
|
|
return curr.line !== next.line;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// This is the heart of JSHINT, the Pratt parser. In addition to parsing, it
|
|
// is looking for ad hoc lint patterns. We add .fud to Pratt's model, which is
|
|
// like .nud except that it is only used on the first token of a statement.
|
|
// Having .fud makes it much easier to define statement-oriented languages like
|
|
// JavaScript. I retained Pratt's nomenclature.
|
|
|
|
// .nud Null denotation
|
|
// .fud First null denotation
|
|
// .led Left denotation
|
|
// lbp Left binding power
|
|
// rbp Right binding power
|
|
|
|
// They are elements of the parsing method called Top Down Operator Precedence.
|
|
|
|
function expression(rbp, initial) {
|
|
var left, isArray = false, isObject = false, isLetExpr = false;
|
|
|
|
// if current expression is a let expression
|
|
if (!initial && state.tokens.next.value === "let" && peek(0).value === "(") {
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.next, "let expressions");
|
|
}
|
|
isLetExpr = true;
|
|
// create a new block scope we use only for the current expression
|
|
funct["(blockscope)"].stack();
|
|
advance("let");
|
|
advance("(");
|
|
state.syntax["let"].fud.call(state.syntax["let"].fud, false);
|
|
advance(")");
|
|
}
|
|
|
|
if (state.tokens.next.id === "(end)")
|
|
error("E006", state.tokens.curr);
|
|
|
|
advance();
|
|
|
|
if (initial) {
|
|
anonname = "anonymous";
|
|
funct["(verb)"] = state.tokens.curr.value;
|
|
}
|
|
|
|
if (initial === true && state.tokens.curr.fud) {
|
|
left = state.tokens.curr.fud();
|
|
} else {
|
|
if (state.tokens.curr.nud) {
|
|
left = state.tokens.curr.nud();
|
|
} else {
|
|
error("E030", state.tokens.curr, state.tokens.curr.id);
|
|
}
|
|
|
|
while (rbp < state.tokens.next.lbp && !isEndOfExpr()) {
|
|
isArray = state.tokens.curr.value === "Array";
|
|
isObject = state.tokens.curr.value === "Object";
|
|
|
|
// #527, new Foo.Array(), Foo.Array(), new Foo.Object(), Foo.Object()
|
|
// Line breaks in IfStatement heads exist to satisfy the checkJSHint
|
|
// "Line too long." error.
|
|
if (left && (left.value || (left.first && left.first.value))) {
|
|
// If the left.value is not "new", or the left.first.value is a "."
|
|
// then safely assume that this is not "new Array()" and possibly
|
|
// not "new Object()"...
|
|
if (left.value !== "new" ||
|
|
(left.first && left.first.value && left.first.value === ".")) {
|
|
isArray = false;
|
|
// ...In the case of Object, if the left.value and state.tokens.curr.value
|
|
// are not equal, then safely assume that this not "new Object()"
|
|
if (left.value !== state.tokens.curr.value) {
|
|
isObject = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
advance();
|
|
|
|
if (isArray && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
|
|
warning("W009", state.tokens.curr);
|
|
}
|
|
|
|
if (isObject && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
|
|
warning("W010", state.tokens.curr);
|
|
}
|
|
|
|
if (left && state.tokens.curr.led) {
|
|
left = state.tokens.curr.led(left);
|
|
} else {
|
|
error("E033", state.tokens.curr, state.tokens.curr.id);
|
|
}
|
|
}
|
|
}
|
|
if (isLetExpr) {
|
|
funct["(blockscope)"].unstack();
|
|
}
|
|
return left;
|
|
}
|
|
|
|
|
|
// Functions for conformance of style.
|
|
|
|
function adjacent(left, right) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
if (state.option.white) {
|
|
if (left.character !== right.from && left.line === right.line) {
|
|
left.from += (left.character - left.from);
|
|
warning("W011", left, left.value);
|
|
}
|
|
}
|
|
}
|
|
|
|
function nobreak(left, right) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
if (state.option.white && (left.character !== right.from || left.line !== right.line)) {
|
|
warning("W012", right, right.value);
|
|
}
|
|
}
|
|
|
|
function nospace(left, right) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
if (state.option.white && !left.comment) {
|
|
if (left.line === right.line) {
|
|
adjacent(left, right);
|
|
}
|
|
}
|
|
}
|
|
|
|
function nonadjacent(left, right) {
|
|
if (state.option.white) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
|
|
if (left.value === ";" && right.value === ";") {
|
|
return;
|
|
}
|
|
|
|
if (left.line === right.line && left.character === right.from) {
|
|
left.from += (left.character - left.from);
|
|
warning("W013", left, left.value);
|
|
}
|
|
}
|
|
}
|
|
|
|
function nobreaknonadjacent(left, right) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
if (!state.option.laxbreak && left.line !== right.line) {
|
|
warning("W014", right, right.value);
|
|
} else if (state.option.white) {
|
|
left = left || state.tokens.curr;
|
|
right = right || state.tokens.next;
|
|
if (left.character === right.from) {
|
|
left.from += (left.character - left.from);
|
|
warning("W013", left, left.value);
|
|
}
|
|
}
|
|
}
|
|
|
|
function indentation(bias) {
|
|
if (!state.option.white && !state.option["(explicitIndent)"]) {
|
|
return;
|
|
}
|
|
|
|
if (state.tokens.next.id === "(end)") {
|
|
return;
|
|
}
|
|
|
|
var i = indent + (bias || 0);
|
|
if (state.tokens.next.from !== i) {
|
|
warning("W015", state.tokens.next, state.tokens.next.value, i, state.tokens.next.from);
|
|
}
|
|
}
|
|
|
|
function nolinebreak(t) {
|
|
t = t || state.tokens.curr;
|
|
if (t.line !== state.tokens.next.line) {
|
|
warning("E022", t, t.value);
|
|
}
|
|
}
|
|
|
|
function nobreakcomma(left, right) {
|
|
if (left.line !== right.line) {
|
|
if (!state.option.laxcomma) {
|
|
if (comma.first) {
|
|
warning("I001");
|
|
comma.first = false;
|
|
}
|
|
warning("W014", left, right.value);
|
|
}
|
|
} else if (!left.comment && left.character !== right.from && state.option.white) {
|
|
left.from += (left.character - left.from);
|
|
warning("W011", left, left.value);
|
|
}
|
|
}
|
|
|
|
function comma(opts) {
|
|
opts = opts || {};
|
|
|
|
if (!opts.peek) {
|
|
nobreakcomma(state.tokens.curr, state.tokens.next);
|
|
advance(",");
|
|
} else {
|
|
nobreakcomma(state.tokens.prev, state.tokens.curr);
|
|
}
|
|
|
|
// TODO: This is a temporary solution to fight against false-positives in
|
|
// arrays and objects with trailing commas (see GH-363). The best solution
|
|
// would be to extract all whitespace rules out of parser.
|
|
|
|
if (state.tokens.next.value !== "]" && state.tokens.next.value !== "}") {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
}
|
|
|
|
if (state.tokens.next.identifier && !(opts.property && state.option.inES5())) {
|
|
// Keywords that cannot follow a comma operator.
|
|
switch (state.tokens.next.value) {
|
|
case "break":
|
|
case "case":
|
|
case "catch":
|
|
case "continue":
|
|
case "default":
|
|
case "do":
|
|
case "else":
|
|
case "finally":
|
|
case "for":
|
|
case "if":
|
|
case "in":
|
|
case "instanceof":
|
|
case "return":
|
|
case "switch":
|
|
case "throw":
|
|
case "try":
|
|
case "var":
|
|
case "let":
|
|
case "while":
|
|
case "with":
|
|
error("E024", state.tokens.next, state.tokens.next.value);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.type === "(punctuator)") {
|
|
switch (state.tokens.next.value) {
|
|
case "}":
|
|
case "]":
|
|
case ",":
|
|
if (opts.allowTrailing) {
|
|
return true;
|
|
}
|
|
|
|
/* falls through */
|
|
case ")":
|
|
error("E024", state.tokens.next, state.tokens.next.value);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Functional constructors for making the symbols that will be inherited by
|
|
// tokens.
|
|
|
|
function symbol(s, p) {
|
|
var x = state.syntax[s];
|
|
if (!x || typeof x !== "object") {
|
|
state.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 (state.option.plusplus) {
|
|
warning("W016", this, this.id);
|
|
} else if ((!this.right.identifier || isReserved(this.right)) &&
|
|
this.right.id !== "." && this.right.id !== "[") {
|
|
warning("W017", this);
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
return x;
|
|
}
|
|
|
|
function type(s, f) {
|
|
var x = delim(s);
|
|
x.type = s;
|
|
x.nud = f;
|
|
return x;
|
|
}
|
|
|
|
function reserve(name, func) {
|
|
var x = type(name, func);
|
|
x.identifier = true;
|
|
x.reserved = true;
|
|
return x;
|
|
}
|
|
|
|
function FutureReservedWord(name, meta) {
|
|
var x = type(name, (meta && meta.nud) || function () {
|
|
return this;
|
|
});
|
|
|
|
meta = meta || {};
|
|
meta.isFutureReservedWord = true;
|
|
|
|
x.value = name;
|
|
x.identifier = true;
|
|
x.reserved = true;
|
|
x.meta = meta;
|
|
|
|
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.infix = true;
|
|
x.led = function (left) {
|
|
if (!w) {
|
|
nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
}
|
|
if (s === "in" && left.id === "!") {
|
|
warning("W018", left, "!");
|
|
}
|
|
if (typeof f === "function") {
|
|
return f(left, this);
|
|
} else {
|
|
this.left = left;
|
|
this.right = expression(p);
|
|
return this;
|
|
}
|
|
};
|
|
return x;
|
|
}
|
|
|
|
|
|
function application(s) {
|
|
var x = symbol(s, 42);
|
|
|
|
x.led = function (left) {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "arrow function syntax (=>)");
|
|
}
|
|
|
|
nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
|
|
this.left = left;
|
|
this.right = doFunction(undefined, undefined, false, left);
|
|
return this;
|
|
};
|
|
return x;
|
|
}
|
|
|
|
function relation(s, f) {
|
|
var x = symbol(s, 100);
|
|
|
|
x.led = function (left) {
|
|
nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
var right = expression(100);
|
|
|
|
if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
|
|
warning("W019", this);
|
|
} else if (f) {
|
|
f.apply(this, [left, right]);
|
|
}
|
|
|
|
if (!left || !right) {
|
|
quit("E041", state.tokens.curr.line);
|
|
}
|
|
|
|
if (left.id === "!") {
|
|
warning("W018", left, "!");
|
|
}
|
|
|
|
if (right.id === "!") {
|
|
warning("W018", 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" && !state.option.eqnull) ||
|
|
node.type === "true" ||
|
|
node.type === "false" ||
|
|
node.type === "undefined");
|
|
}
|
|
|
|
function assignop(s, f, p) {
|
|
var x = infix(s, typeof f === "function" ? f : function (left, that) {
|
|
that.left = left;
|
|
|
|
if (left) {
|
|
if (predefined[left.value] === false &&
|
|
scope[left.value]["(global)"] === true) {
|
|
warning("W020", left);
|
|
} else if (left["function"]) {
|
|
warning("W021", left, left.value);
|
|
}
|
|
|
|
if (funct[left.value] === "const") {
|
|
error("E013", left, left.value);
|
|
}
|
|
|
|
if (left.id === ".") {
|
|
if (!left.left) {
|
|
warning("E031", that);
|
|
} else if (left.left.value === "arguments" && !state.directive["use strict"]) {
|
|
warning("E031", that);
|
|
}
|
|
|
|
that.right = expression(10);
|
|
return that;
|
|
} else if (left.id === "[") {
|
|
if (state.tokens.curr.left.first) {
|
|
state.tokens.curr.left.first.forEach(function (t) {
|
|
if (funct[t.value] === "const") {
|
|
error("E013", t, t.value);
|
|
}
|
|
});
|
|
} else if (!left.left) {
|
|
warning("E031", that);
|
|
} else if (left.left.value === "arguments" && !state.directive["use strict"]) {
|
|
warning("E031", that);
|
|
}
|
|
that.right = expression(10);
|
|
return that;
|
|
} else if (left.identifier && !isReserved(left)) {
|
|
if (funct[left.value] === "exception") {
|
|
warning("W022", left);
|
|
}
|
|
that.right = expression(10);
|
|
return that;
|
|
}
|
|
|
|
if (left === state.syntax["function"]) {
|
|
warning("W023", state.tokens.curr);
|
|
}
|
|
}
|
|
|
|
error("E031", that);
|
|
}, p);
|
|
|
|
x.exps = true;
|
|
x.assign = true;
|
|
return x;
|
|
}
|
|
|
|
|
|
function bitwise(s, f, p) {
|
|
var x = symbol(s, p);
|
|
reserveName(x);
|
|
x.led = (typeof f === "function") ? f : function (left) {
|
|
if (state.option.bitwise) {
|
|
warning("W016", this, this.id);
|
|
}
|
|
this.left = left;
|
|
this.right = expression(p);
|
|
return this;
|
|
};
|
|
return x;
|
|
}
|
|
|
|
|
|
function bitwiseassignop(s) {
|
|
return assignop(s, function (left, that) {
|
|
if (state.option.bitwise) {
|
|
warning("W016", that, that.id);
|
|
}
|
|
nonadjacent(state.tokens.prev, state.tokens.curr);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (left) {
|
|
if (left.id === "." || left.id === "[" ||
|
|
(left.identifier && !isReserved(left))) {
|
|
expression(10);
|
|
return that;
|
|
}
|
|
if (left === state.syntax["function"]) {
|
|
warning("W023", state.tokens.curr);
|
|
}
|
|
return that;
|
|
}
|
|
error("E031", that);
|
|
}, 20);
|
|
}
|
|
|
|
|
|
function suffix(s) {
|
|
var x = symbol(s, 150);
|
|
|
|
x.led = function (left) {
|
|
if (state.option.plusplus) {
|
|
warning("W016", this, this.id);
|
|
} else if ((!left.identifier || isReserved(left)) && left.id !== "." && left.id !== "[") {
|
|
warning("W017", this);
|
|
}
|
|
|
|
this.left = left;
|
|
return this;
|
|
};
|
|
return x;
|
|
}
|
|
|
|
// fnparam means that this identifier is being defined as a function
|
|
// argument (see identifier())
|
|
// prop means that this identifier is that of an object property
|
|
|
|
function optionalidentifier(fnparam, prop) {
|
|
if (!state.tokens.next.identifier) {
|
|
return;
|
|
}
|
|
|
|
advance();
|
|
|
|
var curr = state.tokens.curr;
|
|
var val = state.tokens.curr.value;
|
|
|
|
if (!isReserved(curr)) {
|
|
return val;
|
|
}
|
|
|
|
if (prop) {
|
|
if (state.option.inES5()) {
|
|
return val;
|
|
}
|
|
}
|
|
|
|
if (fnparam && val === "undefined") {
|
|
return val;
|
|
}
|
|
|
|
// Display an info message about reserved words as properties
|
|
// and ES5 but do it only once.
|
|
if (prop && !api.getCache("displayed:I002")) {
|
|
api.setCache("displayed:I002", true);
|
|
warning("I002");
|
|
}
|
|
|
|
warning("W024", state.tokens.curr, state.tokens.curr.id);
|
|
return val;
|
|
}
|
|
|
|
// fnparam means that this identifier is being defined as a function
|
|
// argument
|
|
// prop means that this identifier is that of an object property
|
|
function identifier(fnparam, prop) {
|
|
var i = optionalidentifier(fnparam, prop);
|
|
if (i) {
|
|
return i;
|
|
}
|
|
if (state.tokens.curr.id === "function" && state.tokens.next.id === "(") {
|
|
warning("W025");
|
|
} else {
|
|
error("E030", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
}
|
|
|
|
|
|
function reachable(s) {
|
|
var i = 0, t;
|
|
if (state.tokens.next.id !== ";" || noreach) {
|
|
return;
|
|
}
|
|
for (;;) {
|
|
t = peek(i);
|
|
if (t.reach) {
|
|
return;
|
|
}
|
|
if (t.id !== "(endline)") {
|
|
if (t.id === "function") {
|
|
if (!state.option.latedef) {
|
|
break;
|
|
}
|
|
|
|
warning("W026", t);
|
|
break;
|
|
}
|
|
|
|
warning("W027", t, t.value, s);
|
|
break;
|
|
}
|
|
i += 1;
|
|
}
|
|
}
|
|
|
|
|
|
function statement(noindent) {
|
|
var values;
|
|
var i = indent, r, s = scope, t = state.tokens.next;
|
|
|
|
if (t.id === ";") {
|
|
advance(";");
|
|
return;
|
|
}
|
|
|
|
// Is this a labelled statement?
|
|
var res = isReserved(t);
|
|
|
|
// We're being more tolerant here: if someone uses
|
|
// a FutureReservedWord as a label, we warn but proceed
|
|
// anyway.
|
|
|
|
if (res && t.meta && t.meta.isFutureReservedWord && peek().id === ":") {
|
|
warning("W024", t, t.id);
|
|
res = false;
|
|
}
|
|
|
|
// detect a destructuring assignment
|
|
if (_.has(["[", "{"], t.value)) {
|
|
if (lookupBlockType().isDestAssign) {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "destructuring expression");
|
|
}
|
|
values = destructuringExpression();
|
|
values.forEach(function (tok) {
|
|
isundef(funct, "W117", tok.token, tok.id);
|
|
});
|
|
advance("=");
|
|
destructuringExpressionMatch(values, expression(10, true));
|
|
advance(";");
|
|
return;
|
|
}
|
|
}
|
|
if (t.identifier && !res && peek().id === ":") {
|
|
advance();
|
|
advance(":");
|
|
scope = Object.create(s);
|
|
addlabel(t.value, "label");
|
|
|
|
if (!state.tokens.next.labelled && state.tokens.next.value !== "{") {
|
|
warning("W028", state.tokens.next, t.value, state.tokens.next.value);
|
|
}
|
|
|
|
state.tokens.next.label = t.value;
|
|
t = state.tokens.next;
|
|
}
|
|
|
|
// Is it a lonely block?
|
|
|
|
if (t.id === "{") {
|
|
block(true, true);
|
|
return;
|
|
}
|
|
|
|
// Parse the statement.
|
|
|
|
if (!noindent) {
|
|
indentation();
|
|
}
|
|
r = expression(0, true);
|
|
|
|
// Look for the final semicolon.
|
|
|
|
if (!t.block) {
|
|
if (!state.option.expr && (!r || !r.exps)) {
|
|
warning("W030", state.tokens.curr);
|
|
} else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
|
|
warning("W031", t);
|
|
}
|
|
|
|
if (state.tokens.next.id !== ";") {
|
|
if (!state.option.asi) {
|
|
// If this is the last statement in a block that ends on
|
|
// the same line *and* option lastsemic is on, ignore the warning.
|
|
// Otherwise, complain about missing semicolon.
|
|
if (!state.option.lastsemic || state.tokens.next.id !== "}" ||
|
|
state.tokens.next.line !== state.tokens.curr.line) {
|
|
warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
|
|
}
|
|
}
|
|
} else {
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
advance(";");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
}
|
|
}
|
|
|
|
// Restore the indentation.
|
|
|
|
indent = i;
|
|
scope = s;
|
|
return r;
|
|
}
|
|
|
|
|
|
function statements(startLine) {
|
|
var a = [], p;
|
|
|
|
while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
|
|
if (state.tokens.next.id === ";") {
|
|
p = peek();
|
|
|
|
if (!p || (p.id !== "(" && p.id !== "[")) {
|
|
warning("W032");
|
|
}
|
|
|
|
advance(";");
|
|
} else {
|
|
a.push(statement(startLine === state.tokens.next.line));
|
|
}
|
|
}
|
|
return a;
|
|
}
|
|
|
|
|
|
/*
|
|
* read all directives
|
|
* recognizes a simple form of asi, but always
|
|
* warns, if it is used
|
|
*/
|
|
function directives() {
|
|
var i, p, pn;
|
|
|
|
for (;;) {
|
|
if (state.tokens.next.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("W033", state.tokens.next);
|
|
} else {
|
|
p = pn;
|
|
}
|
|
} else if (p.id === "}") {
|
|
// Directive with no other statements, warn about missing semicolon
|
|
warning("W033", p);
|
|
} else if (p.id !== ";") {
|
|
break;
|
|
}
|
|
|
|
indentation();
|
|
advance();
|
|
if (state.directive[state.tokens.curr.value]) {
|
|
warning("W034", state.tokens.curr, state.tokens.curr.value);
|
|
}
|
|
|
|
if (state.tokens.curr.value === "use strict") {
|
|
if (!state.option["(explicitNewcap)"])
|
|
state.option.newcap = true;
|
|
state.option.undef = true;
|
|
}
|
|
|
|
// there's no directive negation, so always set to true
|
|
state.directive[state.tokens.curr.value] = true;
|
|
|
|
if (p.id === ";") {
|
|
advance(";");
|
|
}
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Parses a single block. A block is a sequence of statements wrapped in
|
|
* braces.
|
|
*
|
|
* ordinary - true for everything but function bodies and try blocks.
|
|
* stmt - true if block can be a single statement (e.g. in if/for/while).
|
|
* isfunc - true if block is a function body
|
|
*/
|
|
function block(ordinary, stmt, isfunc, isfatarrow) {
|
|
var a,
|
|
b = inblock,
|
|
old_indent = indent,
|
|
m,
|
|
s = scope,
|
|
t,
|
|
line,
|
|
d;
|
|
|
|
inblock = ordinary;
|
|
|
|
if (!ordinary || !state.option.funcscope)
|
|
scope = Object.create(scope);
|
|
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
t = state.tokens.next;
|
|
|
|
var metrics = funct["(metrics)"];
|
|
metrics.nestedBlockDepth += 1;
|
|
metrics.verifyMaxNestedBlockDepthPerFunction();
|
|
|
|
if (state.tokens.next.id === "{") {
|
|
advance("{");
|
|
|
|
// create a new block scope
|
|
funct["(blockscope)"].stack();
|
|
|
|
line = state.tokens.curr.line;
|
|
if (state.tokens.next.id !== "}") {
|
|
indent += state.option.indent;
|
|
while (!ordinary && state.tokens.next.from > indent) {
|
|
indent += state.option.indent;
|
|
}
|
|
|
|
if (isfunc) {
|
|
m = {};
|
|
for (d in state.directive) {
|
|
if (_.has(state.directive, d)) {
|
|
m[d] = state.directive[d];
|
|
}
|
|
}
|
|
directives();
|
|
|
|
if (state.option.strict && funct["(context)"]["(global)"]) {
|
|
if (!m["use strict"] && !state.directive["use strict"]) {
|
|
warning("E007");
|
|
}
|
|
}
|
|
}
|
|
|
|
a = statements(line);
|
|
|
|
metrics.statementCount += a.length;
|
|
|
|
if (isfunc) {
|
|
state.directive = m;
|
|
}
|
|
|
|
indent -= state.option.indent;
|
|
if (line !== state.tokens.next.line) {
|
|
indentation();
|
|
}
|
|
} else if (line !== state.tokens.next.line) {
|
|
indentation();
|
|
}
|
|
advance("}", t);
|
|
|
|
funct["(blockscope)"].unstack();
|
|
|
|
indent = old_indent;
|
|
} else if (!ordinary) {
|
|
if (isfunc) {
|
|
m = {};
|
|
if (stmt && !isfatarrow && !state.option.inMoz(true)) {
|
|
error("W118", state.tokens.curr, "function closure expressions");
|
|
}
|
|
|
|
if (!stmt) {
|
|
for (d in state.directive) {
|
|
if (_.has(state.directive, d)) {
|
|
m[d] = state.directive[d];
|
|
}
|
|
}
|
|
}
|
|
expression(10);
|
|
|
|
if (state.option.strict && funct["(context)"]["(global)"]) {
|
|
if (!m["use strict"] && !state.directive["use strict"]) {
|
|
warning("E007");
|
|
}
|
|
}
|
|
} else {
|
|
error("E021", state.tokens.next, "{", state.tokens.next.value);
|
|
}
|
|
} else {
|
|
|
|
// check to avoid let declaration not within a block
|
|
funct["(nolet)"] = true;
|
|
|
|
if (!stmt || state.option.curly) {
|
|
warning("W116", state.tokens.next, "{", state.tokens.next.value);
|
|
}
|
|
|
|
noreach = true;
|
|
indent += state.option.indent;
|
|
// test indentation only if statement is in new line
|
|
a = [statement(state.tokens.next.line === state.tokens.curr.line)];
|
|
indent -= state.option.indent;
|
|
noreach = false;
|
|
|
|
delete funct["(nolet)"];
|
|
}
|
|
funct["(verb)"] = null;
|
|
if (!ordinary || !state.option.funcscope) scope = s;
|
|
inblock = b;
|
|
if (ordinary && state.option.noempty && (!a || a.length === 0)) {
|
|
warning("W035");
|
|
}
|
|
metrics.nestedBlockDepth -= 1;
|
|
return a;
|
|
}
|
|
|
|
|
|
function countMember(m) {
|
|
if (membersOnly && typeof membersOnly[m] !== "boolean") {
|
|
warning("W036", state.tokens.curr, m);
|
|
}
|
|
if (typeof member[m] === "number") {
|
|
member[m] += 1;
|
|
} else {
|
|
member[m] = 1;
|
|
}
|
|
}
|
|
|
|
|
|
function note_implied(tkn) {
|
|
var name = tkn.value, line = tkn.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);
|
|
}
|
|
}
|
|
|
|
|
|
// Build the syntax table by declaring the syntactic elements of the language.
|
|
|
|
type("(number)", function () {
|
|
return this;
|
|
});
|
|
|
|
type("(string)", function () {
|
|
return this;
|
|
});
|
|
|
|
state.syntax["(identifier)"] = {
|
|
type: "(identifier)",
|
|
lbp: 0,
|
|
identifier: true,
|
|
nud: function () {
|
|
var v = this.value,
|
|
s = scope[v],
|
|
f;
|
|
|
|
if (typeof s === "function") {
|
|
// Protection against accidental inheritance.
|
|
s = undefined;
|
|
} else if (typeof s === "boolean") {
|
|
f = funct;
|
|
funct = functions[0];
|
|
addlabel(v, "var");
|
|
s = funct;
|
|
funct = f;
|
|
}
|
|
var block;
|
|
if (_.has(funct, "(blockscope)")) {
|
|
block = funct["(blockscope)"].getlabel(v);
|
|
}
|
|
|
|
// The name is in scope and defined in the current function.
|
|
if (funct === s || block) {
|
|
// Change 'unused' to 'var', and reject labels.
|
|
// the name is in a block scope
|
|
switch (block ? block[v]["(type)"] : funct[v]) {
|
|
case "unused":
|
|
if (block) block[v]["(type)"] = "var";
|
|
else funct[v] = "var";
|
|
break;
|
|
case "unction":
|
|
if (block) block[v]["(type)"] = "function";
|
|
else funct[v] = "function";
|
|
this["function"] = true;
|
|
break;
|
|
case "function":
|
|
this["function"] = true;
|
|
break;
|
|
case "label":
|
|
warning("W037", state.tokens.curr, v);
|
|
break;
|
|
}
|
|
} else if (funct["(global)"]) {
|
|
// The name is not defined in the function. If we are in the global
|
|
// scope, then we have an undefined variable.
|
|
//
|
|
// Operators typeof and delete do not raise runtime errors even if
|
|
// the base object of a reference is null so no need to display warning
|
|
// if we're inside of typeof or delete.
|
|
|
|
if (typeof predefined[v] !== "boolean") {
|
|
// Attempting to subscript a null reference will throw an
|
|
// error, even within the typeof and delete operators
|
|
if (!(anonname === "typeof" || anonname === "delete") ||
|
|
(state.tokens.next && (state.tokens.next.value === "." ||
|
|
state.tokens.next.value === "["))) {
|
|
|
|
// if we're in a list comprehension, variables are declared
|
|
// locally and used before being defined. So we check
|
|
// the presence of the given variable in the comp array
|
|
// before declaring it undefined.
|
|
|
|
if (!funct["(comparray)"].check(v)) {
|
|
isundef(funct, "W117", state.tokens.curr, v);
|
|
}
|
|
}
|
|
}
|
|
|
|
note_implied(state.tokens.curr);
|
|
} else {
|
|
// If the name is already defined in the current
|
|
// function, but not as outer, then there is a scope error.
|
|
|
|
switch (funct[v]) {
|
|
case "closure":
|
|
case "function":
|
|
case "var":
|
|
case "unused":
|
|
warning("W038", state.tokens.curr, v);
|
|
break;
|
|
case "label":
|
|
warning("W037", state.tokens.curr, v);
|
|
break;
|
|
case "outer":
|
|
case "global":
|
|
break;
|
|
default:
|
|
// If the name is defined in an outer function, make an outer entry,
|
|
// and if it was unused, make it var.
|
|
if (s === true) {
|
|
funct[v] = true;
|
|
} else if (s === null) {
|
|
warning("W039", state.tokens.curr, v);
|
|
note_implied(state.tokens.curr);
|
|
} else if (typeof s !== "object") {
|
|
// Operators typeof and delete do not raise runtime errors even
|
|
// if the base object of a reference is null so no need to
|
|
//
|
|
// display warning if we're inside of typeof or delete.
|
|
// Attempting to subscript a null reference will throw an
|
|
// error, even within the typeof and delete operators
|
|
if (!(anonname === "typeof" || anonname === "delete") ||
|
|
(state.tokens.next &&
|
|
(state.tokens.next.value === "." || state.tokens.next.value === "["))) {
|
|
|
|
isundef(funct, "W117", state.tokens.curr, v);
|
|
}
|
|
funct[v] = true;
|
|
note_implied(state.tokens.curr);
|
|
} 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("W037", state.tokens.curr, v);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return this;
|
|
},
|
|
led: function () {
|
|
error("E033", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
};
|
|
|
|
type("(regexp)", function () {
|
|
return this;
|
|
});
|
|
|
|
// ECMAScript parser
|
|
|
|
delim("(endline)");
|
|
delim("(begin)");
|
|
delim("(end)").reach = true;
|
|
delim("(error)").reach = true;
|
|
delim("}").reach = true;
|
|
delim(")");
|
|
delim("]");
|
|
delim("\"").reach = true;
|
|
delim("'").reach = true;
|
|
delim(";");
|
|
delim(":").reach = true;
|
|
delim("#");
|
|
|
|
reserve("else");
|
|
reserve("case").reach = true;
|
|
reserve("catch");
|
|
reserve("default").reach = true;
|
|
reserve("finally");
|
|
reservevar("arguments", function (x) {
|
|
if (state.directive["use strict"] && funct["(global)"]) {
|
|
warning("E008", x);
|
|
}
|
|
});
|
|
reservevar("eval");
|
|
reservevar("false");
|
|
reservevar("Infinity");
|
|
reservevar("null");
|
|
reservevar("this", function (x) {
|
|
if (state.directive["use strict"] && !state.option.validthis && ((funct["(statement)"] &&
|
|
funct["(name)"].charAt(0) > "Z") || funct["(global)"])) {
|
|
warning("W040", x);
|
|
}
|
|
});
|
|
reservevar("true");
|
|
reservevar("undefined");
|
|
|
|
assignop("=", "assign", 20);
|
|
assignop("+=", "assignadd", 20);
|
|
assignop("-=", "assignsub", 20);
|
|
assignop("*=", "assignmult", 20);
|
|
assignop("/=", "assigndiv", 20).nud = function () {
|
|
error("E014");
|
|
};
|
|
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) {
|
|
var expr;
|
|
that.exprs = [left];
|
|
if (!comma({peek: true})) {
|
|
return that;
|
|
}
|
|
while (true) {
|
|
if (!(expr = expression(10))) {
|
|
break;
|
|
}
|
|
that.exprs.push(expr);
|
|
if (state.tokens.next.value !== "," || !comma()) {
|
|
break;
|
|
}
|
|
}
|
|
return that;
|
|
}, 10, true);
|
|
|
|
infix("?", function (left, that) {
|
|
increaseComplexityCount();
|
|
that.left = left;
|
|
that.right = expression(10);
|
|
advance(":");
|
|
that["else"] = expression(10);
|
|
return that;
|
|
}, 30);
|
|
|
|
var orPrecendence = 40;
|
|
infix("||", function (left, that) {
|
|
increaseComplexityCount();
|
|
that.left = left;
|
|
that.right = expression(orPrecendence);
|
|
return that;
|
|
}, orPrecendence);
|
|
infix("&&", "and", 50);
|
|
bitwise("|", "bitor", 70);
|
|
bitwise("^", "bitxor", 80);
|
|
bitwise("&", "bitand", 90);
|
|
relation("==", function (left, right) {
|
|
var eqnull = state.option.eqnull && (left.value === "null" || right.value === "null");
|
|
|
|
if (!eqnull && state.option.eqeqeq)
|
|
warning("W116", this, "===", "==");
|
|
else if (isPoorRelation(left))
|
|
warning("W041", this, "===", left.value);
|
|
else if (isPoorRelation(right))
|
|
warning("W041", this, "===", right.value);
|
|
|
|
return this;
|
|
});
|
|
relation("===");
|
|
relation("!=", function (left, right) {
|
|
var eqnull = state.option.eqnull &&
|
|
(left.value === "null" || right.value === "null");
|
|
|
|
if (!eqnull && state.option.eqeqeq) {
|
|
warning("W116", this, "!==", "!=");
|
|
} else if (isPoorRelation(left)) {
|
|
warning("W041", this, "!==", left.value);
|
|
} else if (isPoorRelation(right)) {
|
|
warning("W041", 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 (!state.option.scripturl && reg.javascriptURL.test(left.value)) {
|
|
warning("W050", left);
|
|
}
|
|
return left;
|
|
}
|
|
that.left = left;
|
|
that.right = right;
|
|
return that;
|
|
}, 130);
|
|
prefix("+", "num");
|
|
prefix("+++", function () {
|
|
warning("W007");
|
|
this.right = expression(150);
|
|
this.arity = "unary";
|
|
return this;
|
|
});
|
|
infix("+++", function (left) {
|
|
warning("W007");
|
|
this.left = left;
|
|
this.right = expression(130);
|
|
return this;
|
|
}, 130);
|
|
infix("-", "sub", 130);
|
|
prefix("-", "neg");
|
|
prefix("---", function () {
|
|
warning("W006");
|
|
this.right = expression(150);
|
|
this.arity = "unary";
|
|
return this;
|
|
});
|
|
infix("---", function (left) {
|
|
warning("W006");
|
|
this.left = left;
|
|
this.right = expression(130);
|
|
return this;
|
|
}, 130);
|
|
infix("*", "mult", 140);
|
|
infix("/", "div", 140);
|
|
infix("%", "mod", 140);
|
|
|
|
suffix("++", "postinc");
|
|
prefix("++", "preinc");
|
|
state.syntax["++"].exps = true;
|
|
|
|
suffix("--", "postdec");
|
|
prefix("--", "predec");
|
|
state.syntax["--"].exps = true;
|
|
prefix("delete", function () {
|
|
var p = expression(10);
|
|
if (!p || (p.id !== "." && p.id !== "[")) {
|
|
warning("W051");
|
|
}
|
|
this.first = p;
|
|
return this;
|
|
}).exps = true;
|
|
|
|
prefix("~", function () {
|
|
if (state.option.bitwise) {
|
|
warning("W052", this, "~");
|
|
}
|
|
expression(150);
|
|
return this;
|
|
});
|
|
|
|
prefix("...", function () {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", this, "spread/rest operator");
|
|
}
|
|
if (!state.tokens.next.identifier) {
|
|
error("E030", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
expression(150);
|
|
return this;
|
|
});
|
|
|
|
prefix("!", function () {
|
|
this.right = expression(150);
|
|
this.arity = "unary";
|
|
|
|
if (!this.right) { // '!' followed by nothing? Give up.
|
|
quit("E041", this.line || 0);
|
|
}
|
|
|
|
if (bang[this.right.id] === true) {
|
|
warning("W018", 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("W053", state.tokens.prev, c.value);
|
|
break;
|
|
case "Function":
|
|
if (!state.option.evil) {
|
|
warning("W054");
|
|
}
|
|
break;
|
|
case "Date":
|
|
case "RegExp":
|
|
break;
|
|
default:
|
|
if (c.id !== "function") {
|
|
i = c.value.substr(0, 1);
|
|
if (state.option.newcap && (i < "A" || i > "Z") && !_.has(global, c.value)) {
|
|
warning("W055", state.tokens.curr);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (c.id !== "." && c.id !== "[" && c.id !== "(") {
|
|
warning("W056", state.tokens.curr);
|
|
}
|
|
}
|
|
} else {
|
|
if (!state.option.supernew)
|
|
warning("W057", this);
|
|
}
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
if (state.tokens.next.id !== "(" && !state.option.supernew) {
|
|
warning("W058", state.tokens.curr, state.tokens.curr.value);
|
|
}
|
|
this.first = c;
|
|
return this;
|
|
});
|
|
state.syntax["new"].exps = true;
|
|
|
|
prefix("void").exps = true;
|
|
|
|
infix(".", function (left, that) {
|
|
adjacent(state.tokens.prev, state.tokens.curr);
|
|
nobreak();
|
|
var m = identifier(false, true);
|
|
|
|
if (typeof m === "string") {
|
|
countMember(m);
|
|
}
|
|
|
|
that.left = left;
|
|
that.right = m;
|
|
|
|
if (m && m === "hasOwnProperty" && state.tokens.next.value === "=") {
|
|
warning("W001");
|
|
}
|
|
|
|
if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
|
|
if (state.option.noarg)
|
|
warning("W059", left, m);
|
|
else if (state.directive["use strict"])
|
|
error("E008");
|
|
} else if (!state.option.evil && left && left.value === "document" &&
|
|
(m === "write" || m === "writeln")) {
|
|
warning("W060", left);
|
|
}
|
|
|
|
if (!state.option.evil && (m === "eval" || m === "execScript")) {
|
|
warning("W061");
|
|
}
|
|
|
|
return that;
|
|
}, 160, true);
|
|
|
|
infix("(", function (left, that) {
|
|
if (state.tokens.prev.id !== "}" && state.tokens.prev.id !== ")") {
|
|
nobreak(state.tokens.prev, state.tokens.curr);
|
|
}
|
|
|
|
nospace();
|
|
if (state.option.immed && left && !left.immed && left.id === "function") {
|
|
warning("W062");
|
|
}
|
|
|
|
var n = 0;
|
|
var 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("W063", left);
|
|
} else if (state.option.newcap) {
|
|
warning("W064", left);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.id !== ")") {
|
|
for (;;) {
|
|
p[p.length] = expression(10);
|
|
n += 1;
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
}
|
|
|
|
advance(")");
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
|
|
if (typeof left === "object") {
|
|
if (left.value === "parseInt" && n === 1) {
|
|
warning("W065", state.tokens.curr);
|
|
}
|
|
if (!state.option.evil) {
|
|
if (left.value === "eval" || left.value === "Function" ||
|
|
left.value === "execScript") {
|
|
warning("W061", 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("W066", left);
|
|
addInternalSrc(left, p[0].value);
|
|
|
|
// window.setTimeout/setInterval
|
|
} else if (p[0] && p[0].id === "(string)" &&
|
|
left.value === "." &&
|
|
left.left.value === "window" &&
|
|
(left.right === "setTimeout" ||
|
|
left.right === "setInterval")) {
|
|
warning("W066", left);
|
|
addInternalSrc(left, p[0].value);
|
|
}
|
|
}
|
|
if (!left.identifier && left.id !== "." && left.id !== "[" &&
|
|
left.id !== "(" && left.id !== "&&" && left.id !== "||" &&
|
|
left.id !== "?") {
|
|
warning("W067", left);
|
|
}
|
|
}
|
|
|
|
that.left = left;
|
|
return that;
|
|
}, 155, true).exps = true;
|
|
|
|
prefix("(", function () {
|
|
nospace();
|
|
var bracket, brackets = [];
|
|
var pn, pn1, i = 0;
|
|
var ret;
|
|
|
|
do {
|
|
pn = peek(i);
|
|
i += 1;
|
|
pn1 = peek(i);
|
|
i += 1;
|
|
} while (pn.value !== ")" && pn1.value !== "=>" && pn1.value !== ";" && pn1.type !== "(end)");
|
|
|
|
if (state.tokens.next.id === "function") {
|
|
state.tokens.next.immed = true;
|
|
}
|
|
|
|
var exprs = [];
|
|
|
|
if (state.tokens.next.id !== ")") {
|
|
for (;;) {
|
|
if (pn1.value === "=>" && state.tokens.next.value === "{") {
|
|
bracket = state.tokens.next;
|
|
bracket.left = destructuringExpression();
|
|
brackets.push(bracket);
|
|
for (var t in bracket.left) {
|
|
exprs.push(bracket.left[t].token);
|
|
}
|
|
} else {
|
|
exprs.push(expression(10));
|
|
}
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
}
|
|
|
|
advance(")", this);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
if (state.option.immed && exprs[0] && exprs[0].id === "function") {
|
|
if (state.tokens.next.id !== "(" &&
|
|
(state.tokens.next.id !== "." || (peek().value !== "call" && peek().value !== "apply"))) {
|
|
warning("W068", this);
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.value === "=>") {
|
|
return exprs;
|
|
}
|
|
if (!exprs.length) {
|
|
return;
|
|
}
|
|
if (exprs.length > 1) {
|
|
ret = Object.create(state.syntax[","]);
|
|
ret.exprs = exprs;
|
|
} else {
|
|
ret = exprs[0];
|
|
}
|
|
if (ret) {
|
|
ret.paren = true;
|
|
}
|
|
return ret;
|
|
});
|
|
|
|
application("=>");
|
|
|
|
infix("[", function (left, that) {
|
|
nobreak(state.tokens.prev, state.tokens.curr);
|
|
nospace();
|
|
var e = expression(10), s;
|
|
if (e && e.type === "(string)") {
|
|
if (!state.option.evil && (e.value === "eval" || e.value === "execScript")) {
|
|
warning("W061", that);
|
|
}
|
|
|
|
countMember(e.value);
|
|
if (!state.option.sub && reg.identifier.test(e.value)) {
|
|
s = state.syntax[e.value];
|
|
if (!s || !isReserved(s)) {
|
|
warning("W069", state.tokens.prev, e.value);
|
|
}
|
|
}
|
|
}
|
|
advance("]", that);
|
|
|
|
if (e && e.value === "hasOwnProperty" && state.tokens.next.value === "=") {
|
|
warning("W001");
|
|
}
|
|
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
that.left = left;
|
|
that.right = e;
|
|
return that;
|
|
}, 160, true);
|
|
|
|
function comprehensiveArrayExpression() {
|
|
var res = {};
|
|
res.exps = true;
|
|
funct["(comparray)"].stack();
|
|
|
|
res.right = expression(10);
|
|
advance("for");
|
|
if (state.tokens.next.value === "each") {
|
|
advance("each");
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.curr, "for each");
|
|
}
|
|
}
|
|
advance("(");
|
|
funct["(comparray)"].setState("define");
|
|
res.left = expression(10);
|
|
advance(")");
|
|
if (state.tokens.next.value === "if") {
|
|
advance("if");
|
|
advance("(");
|
|
funct["(comparray)"].setState("filter");
|
|
res.filter = expression(10);
|
|
advance(")");
|
|
}
|
|
advance("]");
|
|
funct["(comparray)"].unstack();
|
|
return res;
|
|
}
|
|
|
|
prefix("[", function () {
|
|
var blocktype = lookupBlockType(true);
|
|
if (blocktype.isCompArray) {
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.curr, "array comprehension");
|
|
}
|
|
return comprehensiveArrayExpression();
|
|
} else if (blocktype.isDestAssign && !state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "destructuring assignment");
|
|
}
|
|
var b = state.tokens.curr.line !== state.tokens.next.line;
|
|
this.first = [];
|
|
if (b) {
|
|
indent += state.option.indent;
|
|
if (state.tokens.next.from === indent + state.option.indent) {
|
|
indent += state.option.indent;
|
|
}
|
|
}
|
|
while (state.tokens.next.id !== "(end)") {
|
|
while (state.tokens.next.id === ",") {
|
|
if (!state.option.inES5())
|
|
warning("W070");
|
|
advance(",");
|
|
}
|
|
if (state.tokens.next.id === "]") {
|
|
break;
|
|
}
|
|
if (b && state.tokens.curr.line !== state.tokens.next.line) {
|
|
indentation();
|
|
}
|
|
this.first.push(expression(10));
|
|
if (state.tokens.next.id === ",") {
|
|
comma({ allowTrailing: true });
|
|
if (state.tokens.next.id === "]" && !state.option.inES5(true)) {
|
|
warning("W070", state.tokens.curr);
|
|
break;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (b) {
|
|
indent -= state.option.indent;
|
|
indentation();
|
|
}
|
|
advance("]", this);
|
|
return this;
|
|
}, 160);
|
|
|
|
|
|
function property_name() {
|
|
var id = optionalidentifier(false, true);
|
|
|
|
if (!id) {
|
|
if (state.tokens.next.id === "(string)") {
|
|
id = state.tokens.next.value;
|
|
advance();
|
|
} else if (state.tokens.next.id === "(number)") {
|
|
id = state.tokens.next.value.toString();
|
|
advance();
|
|
}
|
|
}
|
|
|
|
if (id === "hasOwnProperty") {
|
|
warning("W001");
|
|
}
|
|
|
|
return id;
|
|
}
|
|
|
|
|
|
function functionparams(parsed) {
|
|
var curr, next;
|
|
var params = [];
|
|
var ident;
|
|
var tokens = [];
|
|
var t;
|
|
var pastDefault = false;
|
|
|
|
if (parsed) {
|
|
if (parsed instanceof Array) {
|
|
for (var i in parsed) {
|
|
curr = parsed[i];
|
|
if (_.contains(["{", "["], curr.id)) {
|
|
for (t in curr.left) {
|
|
t = tokens[t];
|
|
if (t.id) {
|
|
params.push(t.id);
|
|
addlabel(t.id, "unused", t.token);
|
|
}
|
|
}
|
|
} else if (curr.value === "...") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", curr, "spread/rest operator");
|
|
}
|
|
continue;
|
|
} else {
|
|
addlabel(curr.value, "unused", curr);
|
|
}
|
|
}
|
|
return params;
|
|
} else {
|
|
if (parsed.identifier === true) {
|
|
addlabel(parsed.value, "unused", parsed);
|
|
return [parsed];
|
|
}
|
|
}
|
|
}
|
|
|
|
next = state.tokens.next;
|
|
|
|
advance("(");
|
|
nospace();
|
|
|
|
if (state.tokens.next.id === ")") {
|
|
advance(")");
|
|
return;
|
|
}
|
|
|
|
for (;;) {
|
|
if (_.contains(["{", "["], state.tokens.next.id)) {
|
|
tokens = destructuringExpression();
|
|
for (t in tokens) {
|
|
t = tokens[t];
|
|
if (t.id) {
|
|
params.push(t.id);
|
|
addlabel(t.id, "unused", t.token);
|
|
}
|
|
}
|
|
} else if (state.tokens.next.value === "...") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.next, "spread/rest operator");
|
|
}
|
|
advance("...");
|
|
nospace();
|
|
ident = identifier(true);
|
|
params.push(ident);
|
|
addlabel(ident, "unused", state.tokens.curr);
|
|
} else {
|
|
ident = identifier(true);
|
|
params.push(ident);
|
|
addlabel(ident, "unused", state.tokens.curr);
|
|
}
|
|
|
|
// it is a syntax error to have a regular argument after a default argument
|
|
if (pastDefault) {
|
|
if (state.tokens.next.id !== "=") {
|
|
error("E051", state.tokens.current);
|
|
}
|
|
}
|
|
if (state.tokens.next.id === "=") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W119", state.tokens.next, "default parameters");
|
|
}
|
|
advance("=");
|
|
pastDefault = true;
|
|
expression(10);
|
|
}
|
|
if (state.tokens.next.id === ",") {
|
|
comma();
|
|
} else {
|
|
advance(")", next);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
return params;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
function doFunction(name, statement, generator, fatarrowparams) {
|
|
var f;
|
|
var oldOption = state.option;
|
|
var oldIgnored = state.ignored;
|
|
var oldScope = scope;
|
|
|
|
state.option = Object.create(state.option);
|
|
state.ignored = Object.create(state.ignored);
|
|
scope = Object.create(scope);
|
|
|
|
funct = {
|
|
"(name)" : name || "\"" + anonname + "\"",
|
|
"(line)" : state.tokens.next.line,
|
|
"(character)" : state.tokens.next.character,
|
|
"(context)" : funct,
|
|
"(breakage)" : 0,
|
|
"(loopage)" : 0,
|
|
"(metrics)" : createMetrics(state.tokens.next),
|
|
"(scope)" : scope,
|
|
"(statement)" : statement,
|
|
"(tokens)" : {},
|
|
"(blockscope)": funct["(blockscope)"],
|
|
"(comparray)" : funct["(comparray)"]
|
|
};
|
|
|
|
if (generator) {
|
|
funct["(generator)"] = true;
|
|
}
|
|
|
|
f = funct;
|
|
state.tokens.curr.funct = funct;
|
|
|
|
functions.push(funct);
|
|
|
|
if (name) {
|
|
addlabel(name, "function");
|
|
}
|
|
|
|
funct["(params)"] = functionparams(fatarrowparams);
|
|
|
|
funct["(metrics)"].verifyMaxParametersPerFunction(funct["(params)"]);
|
|
|
|
block(false, true, true, fatarrowparams ? true:false);
|
|
|
|
if (generator && funct["(generator)"] !== "yielded") {
|
|
error("E047", state.tokens.curr);
|
|
}
|
|
|
|
funct["(metrics)"].verifyMaxStatementsPerFunction();
|
|
funct["(metrics)"].verifyMaxComplexityPerFunction();
|
|
funct["(unusedOption)"] = state.option.unused;
|
|
|
|
scope = oldScope;
|
|
state.option = oldOption;
|
|
state.ignored = oldIgnored;
|
|
funct["(last)"] = state.tokens.curr.line;
|
|
funct["(lastcharacter)"] = state.tokens.curr.character;
|
|
funct = funct["(context)"];
|
|
|
|
return f;
|
|
}
|
|
|
|
function createMetrics(functionStartToken) {
|
|
return {
|
|
statementCount: 0,
|
|
nestedBlockDepth: -1,
|
|
ComplexityCount: 1,
|
|
verifyMaxStatementsPerFunction: function () {
|
|
if (state.option.maxstatements &&
|
|
this.statementCount > state.option.maxstatements) {
|
|
warning("W071", functionStartToken, this.statementCount);
|
|
}
|
|
},
|
|
|
|
verifyMaxParametersPerFunction: function (params) {
|
|
params = params || [];
|
|
|
|
if (state.option.maxparams && params.length > state.option.maxparams) {
|
|
warning("W072", functionStartToken, params.length);
|
|
}
|
|
},
|
|
|
|
verifyMaxNestedBlockDepthPerFunction: function () {
|
|
if (state.option.maxdepth &&
|
|
this.nestedBlockDepth > 0 &&
|
|
this.nestedBlockDepth === state.option.maxdepth + 1) {
|
|
warning("W073", null, this.nestedBlockDepth);
|
|
}
|
|
},
|
|
|
|
verifyMaxComplexityPerFunction: function () {
|
|
var max = state.option.maxcomplexity;
|
|
var cc = this.ComplexityCount;
|
|
if (max && cc > max) {
|
|
warning("W074", functionStartToken, cc);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
function increaseComplexityCount() {
|
|
funct["(metrics)"].ComplexityCount += 1;
|
|
}
|
|
|
|
// Parse assignments that were found instead of conditionals.
|
|
// For example: if (a = 1) { ... }
|
|
|
|
function checkCondAssignment(expr) {
|
|
var id, paren;
|
|
if (expr) {
|
|
id = expr.id;
|
|
paren = expr.paren;
|
|
if (id === "," && (expr = expr.exprs[expr.exprs.length - 1])) {
|
|
id = expr.id;
|
|
paren = paren || expr.paren;
|
|
}
|
|
}
|
|
switch (id) {
|
|
case "=":
|
|
case "+=":
|
|
case "-=":
|
|
case "*=":
|
|
case "%=":
|
|
case "&=":
|
|
case "|=":
|
|
case "^=":
|
|
case "/=":
|
|
if (!paren && !state.option.boss) {
|
|
warning("W084");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
(function (x) {
|
|
x.nud = function (isclassdef) {
|
|
var b, f, i, p, t, g;
|
|
var props = {}; // All properties, including accessors
|
|
var tag = "";
|
|
|
|
function saveProperty(name, tkn) {
|
|
if (props[name] && _.has(props, name))
|
|
warning("W075", state.tokens.next, i);
|
|
else
|
|
props[name] = {};
|
|
|
|
props[name].basic = true;
|
|
props[name].basictkn = tkn;
|
|
}
|
|
|
|
function saveSetter(name, tkn) {
|
|
if (props[name] && _.has(props, name)) {
|
|
if (props[name].basic || props[name].setter)
|
|
warning("W075", state.tokens.next, i);
|
|
} else {
|
|
props[name] = {};
|
|
}
|
|
|
|
props[name].setter = true;
|
|
props[name].setterToken = tkn;
|
|
}
|
|
|
|
function saveGetter(name) {
|
|
if (props[name] && _.has(props, name)) {
|
|
if (props[name].basic || props[name].getter)
|
|
warning("W075", state.tokens.next, i);
|
|
} else {
|
|
props[name] = {};
|
|
}
|
|
|
|
props[name].getter = true;
|
|
props[name].getterToken = state.tokens.curr;
|
|
}
|
|
|
|
b = state.tokens.curr.line !== state.tokens.next.line;
|
|
if (b) {
|
|
indent += state.option.indent;
|
|
if (state.tokens.next.from === indent + state.option.indent) {
|
|
indent += state.option.indent;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
if (state.tokens.next.id === "}") {
|
|
break;
|
|
}
|
|
|
|
if (b) {
|
|
indentation();
|
|
}
|
|
|
|
if (isclassdef && state.tokens.next.value === "static") {
|
|
advance("static");
|
|
tag = "static ";
|
|
}
|
|
|
|
if (state.tokens.next.value === "get" && peek().id !== ":") {
|
|
advance("get");
|
|
|
|
if (!state.option.inES5(!isclassdef)) {
|
|
error("E034");
|
|
}
|
|
|
|
i = property_name();
|
|
if (!i) {
|
|
error("E035");
|
|
}
|
|
|
|
// It is a Syntax Error if PropName of MethodDefinition is
|
|
// "constructor" and SpecialMethod of MethodDefinition is true.
|
|
if (isclassdef && i === "constructor") {
|
|
error("E049", state.tokens.next, "class getter method", i);
|
|
}
|
|
|
|
saveGetter(tag + i);
|
|
t = state.tokens.next;
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
f = doFunction();
|
|
p = f["(params)"];
|
|
|
|
if (p) {
|
|
warning("W076", t, p[0], i);
|
|
}
|
|
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
} else if (state.tokens.next.value === "set" && peek().id !== ":") {
|
|
advance("set");
|
|
|
|
if (!state.option.inES5(!isclassdef)) {
|
|
error("E034");
|
|
}
|
|
|
|
i = property_name();
|
|
if (!i) {
|
|
error("E035");
|
|
}
|
|
|
|
// It is a Syntax Error if PropName of MethodDefinition is
|
|
// "constructor" and SpecialMethod of MethodDefinition is true.
|
|
if (isclassdef && i === "constructor") {
|
|
error("E049", state.tokens.next, "class setter method", i);
|
|
}
|
|
|
|
saveSetter(tag + i, state.tokens.next);
|
|
t = state.tokens.next;
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
f = doFunction();
|
|
p = f["(params)"];
|
|
|
|
if (!p || p.length !== 1) {
|
|
warning("W077", t, i);
|
|
}
|
|
} else {
|
|
g = false;
|
|
if (state.tokens.next.value === "*" && state.tokens.next.type === "(punctuator)") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.next, "generator functions");
|
|
}
|
|
advance("*");
|
|
g = true;
|
|
}
|
|
i = property_name();
|
|
saveProperty(tag + i, state.tokens.next);
|
|
|
|
if (typeof i !== "string") {
|
|
break;
|
|
}
|
|
|
|
if (state.tokens.next.value === "(") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "concise methods");
|
|
}
|
|
doFunction(i, undefined, g);
|
|
} else if (!isclassdef) {
|
|
advance(":");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
expression(10);
|
|
}
|
|
}
|
|
// It is a Syntax Error if PropName of MethodDefinition is "prototype".
|
|
if (isclassdef && i === "prototype") {
|
|
error("E049", state.tokens.next, "class method", i);
|
|
}
|
|
|
|
countMember(i);
|
|
if (isclassdef) {
|
|
tag = "";
|
|
continue;
|
|
}
|
|
if (state.tokens.next.id === ",") {
|
|
comma({ allowTrailing: true, property: true });
|
|
if (state.tokens.next.id === ",") {
|
|
warning("W070", state.tokens.curr);
|
|
} else if (state.tokens.next.id === "}" && !state.option.inES5(true)) {
|
|
warning("W070", state.tokens.curr);
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (b) {
|
|
indent -= state.option.indent;
|
|
indentation();
|
|
}
|
|
advance("}", this);
|
|
|
|
// Check for lonely setters if in the ES5 mode.
|
|
if (state.option.inES5()) {
|
|
for (var name in props) {
|
|
if (_.has(props, name) && props[name].setter && !props[name].getter) {
|
|
warning("W078", props[name].setterToken);
|
|
}
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
x.fud = function () {
|
|
error("E036", state.tokens.curr);
|
|
};
|
|
}(delim("{")));
|
|
|
|
function destructuringExpression() {
|
|
var id, ids;
|
|
var identifiers = [];
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "destructuring expression");
|
|
}
|
|
var nextInnerDE = function () {
|
|
var ident;
|
|
if (_.contains(["[", "{"], state.tokens.next.value)) {
|
|
ids = destructuringExpression();
|
|
for (var id in ids) {
|
|
id = ids[id];
|
|
identifiers.push({ id: id.id, token: id.token });
|
|
}
|
|
} else if (state.tokens.next.value === ",") {
|
|
identifiers.push({ id: null, token: state.tokens.curr });
|
|
} else {
|
|
ident = identifier();
|
|
if (ident)
|
|
identifiers.push({ id: ident, token: state.tokens.curr });
|
|
}
|
|
};
|
|
if (state.tokens.next.value === "[") {
|
|
advance("[");
|
|
nextInnerDE();
|
|
while (state.tokens.next.value !== "]") {
|
|
advance(",");
|
|
nextInnerDE();
|
|
}
|
|
advance("]");
|
|
} else if (state.tokens.next.value === "{") {
|
|
advance("{");
|
|
id = identifier();
|
|
if (state.tokens.next.value === ":") {
|
|
advance(":");
|
|
nextInnerDE();
|
|
} else {
|
|
identifiers.push({ id: id, token: state.tokens.curr });
|
|
}
|
|
while (state.tokens.next.value !== "}") {
|
|
advance(",");
|
|
id = identifier();
|
|
if (state.tokens.next.value === ":") {
|
|
advance(":");
|
|
nextInnerDE();
|
|
} else {
|
|
identifiers.push({ id: id, token: state.tokens.curr });
|
|
}
|
|
}
|
|
advance("}");
|
|
}
|
|
return identifiers;
|
|
}
|
|
function destructuringExpressionMatch(tokens, value) {
|
|
if (value.first) {
|
|
_.zip(tokens, value.first).forEach(function (val) {
|
|
var token = val[0];
|
|
var value = val[1];
|
|
if (token && value) {
|
|
token.first = value;
|
|
} else if (token && token.first && !value) {
|
|
warning("W080", token.first, token.first.value);
|
|
} /* else {
|
|
XXX value is discarded: wouldn't it need a warning ?
|
|
} */
|
|
});
|
|
}
|
|
}
|
|
|
|
var conststatement = stmt("const", function (prefix) {
|
|
var tokens, value;
|
|
// state variable to know if it is a lone identifier, or a destructuring statement.
|
|
var lone;
|
|
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "const");
|
|
}
|
|
|
|
this.first = [];
|
|
for (;;) {
|
|
var names = [];
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (_.contains(["{", "["], state.tokens.next.value)) {
|
|
tokens = destructuringExpression();
|
|
lone = false;
|
|
} else {
|
|
tokens = [ { id: identifier(), token: state.tokens.curr } ];
|
|
lone = true;
|
|
}
|
|
for (var t in tokens) {
|
|
t = tokens[t];
|
|
if (funct[t.id] === "const") {
|
|
warning("E011", null, t.id);
|
|
}
|
|
if (funct["(global)"] && predefined[t.id] === false) {
|
|
warning("W079", t.token, t.id);
|
|
}
|
|
if (t.id) {
|
|
addlabel(t.id, "const");
|
|
names.push(t.token);
|
|
}
|
|
}
|
|
if (prefix) {
|
|
break;
|
|
}
|
|
|
|
this.first = this.first.concat(names);
|
|
|
|
if (state.tokens.next.id !== "=") {
|
|
warning("E012", state.tokens.curr, state.tokens.curr.value);
|
|
}
|
|
|
|
if (state.tokens.next.id === "=") {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
advance("=");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (state.tokens.next.id === "undefined") {
|
|
warning("W080", state.tokens.prev, state.tokens.prev.value);
|
|
}
|
|
if (peek(0).id === "=" && state.tokens.next.identifier) {
|
|
warning("W120", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
value = expression(10);
|
|
if (lone) {
|
|
tokens[0].first = value;
|
|
} else {
|
|
destructuringExpressionMatch(names, value);
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
return this;
|
|
});
|
|
conststatement.exps = true;
|
|
var varstatement = stmt("var", function (prefix) {
|
|
// JavaScript does not have block scope. It only has function scope. So,
|
|
// declaring a variable in a block can have unexpected consequences.
|
|
var tokens, lone, value;
|
|
|
|
if (funct["(onevar)"] && state.option.onevar) {
|
|
warning("W081");
|
|
} else if (!funct["(global)"]) {
|
|
funct["(onevar)"] = true;
|
|
}
|
|
|
|
this.first = [];
|
|
for (;;) {
|
|
var names = [];
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (_.contains(["{", "["], state.tokens.next.value)) {
|
|
tokens = destructuringExpression();
|
|
lone = false;
|
|
} else {
|
|
tokens = [ { id: identifier(), token: state.tokens.curr } ];
|
|
lone = true;
|
|
}
|
|
for (var t in tokens) {
|
|
t = tokens[t];
|
|
if (state.option.inESNext() && funct[t.id] === "const") {
|
|
warning("E011", null, t.id);
|
|
}
|
|
if (funct["(global)"] && predefined[t.id] === false) {
|
|
warning("W079", t.token, t.id);
|
|
}
|
|
if (t.id) {
|
|
addlabel(t.id, "unused", t.token);
|
|
names.push(t.token);
|
|
}
|
|
}
|
|
if (prefix) {
|
|
break;
|
|
}
|
|
|
|
this.first = this.first.concat(names);
|
|
|
|
if (state.tokens.next.id === "=") {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
advance("=");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (state.tokens.next.id === "undefined") {
|
|
warning("W080", state.tokens.prev, state.tokens.prev.value);
|
|
}
|
|
if (peek(0).id === "=" && state.tokens.next.identifier) {
|
|
warning("W120", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
value = expression(10);
|
|
if (lone) {
|
|
tokens[0].first = value;
|
|
} else {
|
|
destructuringExpressionMatch(names, value);
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
return this;
|
|
});
|
|
varstatement.exps = true;
|
|
var letstatement = stmt("let", function (prefix) {
|
|
var tokens, lone, value, letblock;
|
|
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "let");
|
|
}
|
|
|
|
if (state.tokens.next.value === "(") {
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.next, "let block");
|
|
}
|
|
advance("(");
|
|
funct["(blockscope)"].stack();
|
|
letblock = true;
|
|
} else if (funct["(nolet)"]) {
|
|
error("E048", state.tokens.curr);
|
|
}
|
|
|
|
if (funct["(onevar)"] && state.option.onevar) {
|
|
warning("W081");
|
|
} else if (!funct["(global)"]) {
|
|
funct["(onevar)"] = true;
|
|
}
|
|
|
|
this.first = [];
|
|
for (;;) {
|
|
var names = [];
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (_.contains(["{", "["], state.tokens.next.value)) {
|
|
tokens = destructuringExpression();
|
|
lone = false;
|
|
} else {
|
|
tokens = [ { id: identifier(), token: state.tokens.curr.value } ];
|
|
lone = true;
|
|
}
|
|
for (var t in tokens) {
|
|
t = tokens[t];
|
|
if (state.option.inESNext() && funct[t.id] === "const") {
|
|
warning("E011", null, t.id);
|
|
}
|
|
if (funct["(global)"] && predefined[t.id] === false) {
|
|
warning("W079", t.token, t.id);
|
|
}
|
|
if (t.id && !funct["(nolet)"]) {
|
|
addlabel(t.id, "unused", t.token, true);
|
|
names.push(t.token);
|
|
}
|
|
}
|
|
if (prefix) {
|
|
break;
|
|
}
|
|
|
|
this.first = this.first.concat(names);
|
|
|
|
if (state.tokens.next.id === "=") {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
advance("=");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
if (state.tokens.next.id === "undefined") {
|
|
warning("W080", state.tokens.prev, state.tokens.prev.value);
|
|
}
|
|
if (peek(0).id === "=" && state.tokens.next.identifier) {
|
|
warning("W120", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
value = expression(10);
|
|
if (lone) {
|
|
tokens[0].first = value;
|
|
} else {
|
|
destructuringExpressionMatch(names, value);
|
|
}
|
|
}
|
|
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
if (letblock) {
|
|
advance(")");
|
|
block(true, true);
|
|
this.block = true;
|
|
funct["(blockscope)"].unstack();
|
|
}
|
|
|
|
return this;
|
|
});
|
|
letstatement.exps = true;
|
|
|
|
blockstmt("class", function () {
|
|
return classdef.call(this, true);
|
|
});
|
|
|
|
function classdef(stmt) {
|
|
/*jshint validthis:true */
|
|
if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "class");
|
|
}
|
|
if (stmt) {
|
|
// BindingIdentifier
|
|
this.name = identifier();
|
|
addlabel(this.name, "unused", state.tokens.curr);
|
|
} else if (state.tokens.next.identifier && state.tokens.next.value !== "extends") {
|
|
// BindingIdentifier(opt)
|
|
this.name = identifier();
|
|
}
|
|
classtail(this);
|
|
return this;
|
|
}
|
|
|
|
function classtail(c) {
|
|
var strictness = state.directive["use strict"];
|
|
|
|
// ClassHeritage(opt)
|
|
if (state.tokens.next.value === "extends") {
|
|
advance("extends");
|
|
c.heritage = expression(10);
|
|
}
|
|
|
|
// A ClassBody is always strict code.
|
|
state.directive["use strict"] = true;
|
|
advance("{");
|
|
// ClassBody(opt)
|
|
c.body = state.syntax["{"].nud(true);
|
|
state.directive["use strict"] = strictness;
|
|
}
|
|
|
|
blockstmt("function", function () {
|
|
var generator = false;
|
|
if (state.tokens.next.value === "*") {
|
|
advance("*");
|
|
if (state.option.inESNext(true)) {
|
|
generator = true;
|
|
} else {
|
|
warning("W119", state.tokens.curr, "function*");
|
|
}
|
|
}
|
|
if (inblock) {
|
|
warning("W082", state.tokens.curr);
|
|
|
|
}
|
|
var i = identifier();
|
|
if (funct[i] === "const") {
|
|
warning("E011", null, i);
|
|
}
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
addlabel(i, "unction", state.tokens.curr);
|
|
|
|
doFunction(i, { statement: true }, generator);
|
|
if (state.tokens.next.id === "(" && state.tokens.next.line === state.tokens.curr.line) {
|
|
error("E039");
|
|
}
|
|
return this;
|
|
});
|
|
|
|
prefix("function", function () {
|
|
var generator = false;
|
|
if (state.tokens.next.value === "*") {
|
|
if (!state.option.inESNext()) {
|
|
warning("W119", state.tokens.curr, "function*");
|
|
}
|
|
advance("*");
|
|
generator = true;
|
|
}
|
|
var i = optionalidentifier();
|
|
if (i || state.option.gcl) {
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
} else {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
}
|
|
doFunction(i, undefined, generator);
|
|
if (!state.option.loopfunc && funct["(loopage)"]) {
|
|
warning("W083");
|
|
}
|
|
return this;
|
|
});
|
|
|
|
blockstmt("if", function () {
|
|
var t = state.tokens.next;
|
|
increaseComplexityCount();
|
|
state.condition = true;
|
|
advance("(");
|
|
nonadjacent(this, t);
|
|
nospace();
|
|
checkCondAssignment(expression(0));
|
|
advance(")", t);
|
|
state.condition = false;
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
block(true, true);
|
|
if (state.tokens.next.id === "else") {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
advance("else");
|
|
if (state.tokens.next.id === "if" || state.tokens.next.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(state.tokens.curr, state.tokens.next);
|
|
advance("(");
|
|
|
|
scope = Object.create(oldScope);
|
|
|
|
e = state.tokens.next.value;
|
|
if (state.tokens.next.type !== "(identifier)") {
|
|
e = null;
|
|
warning("E030", state.tokens.next, e);
|
|
}
|
|
|
|
advance();
|
|
|
|
funct = {
|
|
"(name)" : "(catch)",
|
|
"(line)" : state.tokens.next.line,
|
|
"(character)": state.tokens.next.character,
|
|
"(context)" : funct,
|
|
"(breakage)" : funct["(breakage)"],
|
|
"(loopage)" : funct["(loopage)"],
|
|
"(scope)" : scope,
|
|
"(statement)": false,
|
|
"(metrics)" : createMetrics(state.tokens.next),
|
|
"(catch)" : true,
|
|
"(tokens)" : {},
|
|
"(blockscope)": funct["(blockscope)"],
|
|
"(comparray)": funct["(comparray)"]
|
|
};
|
|
|
|
if (e) {
|
|
addlabel(e, "exception");
|
|
}
|
|
|
|
if (state.tokens.next.value === "if") {
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.curr, "catch filter");
|
|
}
|
|
advance("if");
|
|
expression(0);
|
|
}
|
|
|
|
advance(")");
|
|
|
|
state.tokens.curr.funct = funct;
|
|
functions.push(funct);
|
|
|
|
block(false);
|
|
|
|
scope = oldScope;
|
|
|
|
funct["(last)"] = state.tokens.curr.line;
|
|
funct["(lastcharacter)"] = state.tokens.curr.character;
|
|
funct = funct["(context)"];
|
|
}
|
|
|
|
block(false);
|
|
|
|
while (state.tokens.next.id === "catch") {
|
|
increaseComplexityCount();
|
|
if (b && (!state.option.inMoz(true))) {
|
|
warning("W118", state.tokens.next, "multiple catch blocks");
|
|
}
|
|
doCatch();
|
|
b = true;
|
|
}
|
|
|
|
if (state.tokens.next.id === "finally") {
|
|
advance("finally");
|
|
block(false);
|
|
return;
|
|
}
|
|
|
|
if (!b) {
|
|
error("E021", state.tokens.next, "catch", state.tokens.next.value);
|
|
}
|
|
|
|
return this;
|
|
});
|
|
|
|
blockstmt("while", function () {
|
|
var t = state.tokens.next;
|
|
funct["(breakage)"] += 1;
|
|
funct["(loopage)"] += 1;
|
|
increaseComplexityCount();
|
|
advance("(");
|
|
nonadjacent(this, t);
|
|
nospace();
|
|
checkCondAssignment(expression(0));
|
|
advance(")", t);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
block(true, true);
|
|
funct["(breakage)"] -= 1;
|
|
funct["(loopage)"] -= 1;
|
|
return this;
|
|
}).labelled = true;
|
|
|
|
blockstmt("with", function () {
|
|
var t = state.tokens.next;
|
|
if (state.directive["use strict"]) {
|
|
error("E010", state.tokens.curr);
|
|
} else if (!state.option.withstmt) {
|
|
warning("W085", state.tokens.curr);
|
|
}
|
|
|
|
advance("(");
|
|
nonadjacent(this, t);
|
|
nospace();
|
|
expression(0);
|
|
advance(")", t);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
block(true, true);
|
|
|
|
return this;
|
|
});
|
|
|
|
blockstmt("switch", function () {
|
|
var t = state.tokens.next,
|
|
g = false;
|
|
funct["(breakage)"] += 1;
|
|
advance("(");
|
|
nonadjacent(this, t);
|
|
nospace();
|
|
checkCondAssignment(expression(0));
|
|
advance(")", t);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
t = state.tokens.next;
|
|
advance("{");
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
indent += state.option.indent;
|
|
this.cases = [];
|
|
|
|
for (;;) {
|
|
switch (state.tokens.next.id) {
|
|
case "case":
|
|
switch (funct["(verb)"]) {
|
|
case "yield":
|
|
case "break":
|
|
case "case":
|
|
case "continue":
|
|
case "return":
|
|
case "switch":
|
|
case "throw":
|
|
break;
|
|
default:
|
|
// You can tell JSHint that you don't use break intentionally by
|
|
// adding a comment /* falls through */ on a line just before
|
|
// the next `case`.
|
|
if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
|
|
warning("W086", state.tokens.curr, "case");
|
|
}
|
|
}
|
|
indentation(-state.option.indent);
|
|
advance("case");
|
|
this.cases.push(expression(20));
|
|
increaseComplexityCount();
|
|
g = true;
|
|
advance(":");
|
|
funct["(verb)"] = "case";
|
|
break;
|
|
case "default":
|
|
switch (funct["(verb)"]) {
|
|
case "yield":
|
|
case "break":
|
|
case "continue":
|
|
case "return":
|
|
case "throw":
|
|
break;
|
|
default:
|
|
// Do not display a warning if 'default' is the first statement or if
|
|
// there is a special /* falls through */ comment.
|
|
if (this.cases.length) {
|
|
if (!reg.fallsThrough.test(state.lines[state.tokens.next.line - 2])) {
|
|
warning("W086", state.tokens.curr, "default");
|
|
}
|
|
}
|
|
}
|
|
indentation(-state.option.indent);
|
|
advance("default");
|
|
g = true;
|
|
advance(":");
|
|
break;
|
|
case "}":
|
|
indent -= state.option.indent;
|
|
indentation();
|
|
advance("}", t);
|
|
funct["(breakage)"] -= 1;
|
|
funct["(verb)"] = undefined;
|
|
return;
|
|
case "(end)":
|
|
error("E023", state.tokens.next, "}");
|
|
return;
|
|
default:
|
|
if (g) {
|
|
switch (state.tokens.curr.id) {
|
|
case ",":
|
|
error("E040");
|
|
return;
|
|
case ":":
|
|
g = false;
|
|
statements();
|
|
break;
|
|
default:
|
|
error("E025", state.tokens.curr);
|
|
return;
|
|
}
|
|
} else {
|
|
if (state.tokens.curr.id === ":") {
|
|
advance(":");
|
|
error("E024", state.tokens.curr, ":");
|
|
statements();
|
|
} else {
|
|
error("E021", state.tokens.next, "case", state.tokens.next.value);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}).labelled = true;
|
|
|
|
stmt("debugger", function () {
|
|
if (!state.option.debug) {
|
|
warning("W087");
|
|
}
|
|
return this;
|
|
}).exps = true;
|
|
|
|
(function () {
|
|
var x = stmt("do", function () {
|
|
funct["(breakage)"] += 1;
|
|
funct["(loopage)"] += 1;
|
|
increaseComplexityCount();
|
|
|
|
this.first = block(true, true);
|
|
advance("while");
|
|
var t = state.tokens.next;
|
|
nonadjacent(state.tokens.curr, t);
|
|
advance("(");
|
|
nospace();
|
|
checkCondAssignment(expression(0));
|
|
advance(")", t);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
funct["(breakage)"] -= 1;
|
|
funct["(loopage)"] -= 1;
|
|
return this;
|
|
});
|
|
x.labelled = true;
|
|
x.exps = true;
|
|
}());
|
|
|
|
blockstmt("for", function () {
|
|
var s, t = state.tokens.next;
|
|
var letscope = false;
|
|
var foreachtok = null;
|
|
|
|
if (t.value === "each") {
|
|
foreachtok = t;
|
|
advance("each");
|
|
if (!state.option.inMoz(true)) {
|
|
warning("W118", state.tokens.curr, "for each");
|
|
}
|
|
}
|
|
|
|
funct["(breakage)"] += 1;
|
|
funct["(loopage)"] += 1;
|
|
increaseComplexityCount();
|
|
advance("(");
|
|
nonadjacent(this, t);
|
|
nospace();
|
|
|
|
// what kind of for(…) statement it is? for(…of…)? for(…in…)? for(…;…;…)?
|
|
var nextop; // contains the token of the "in" or "of" operator
|
|
var i = 0;
|
|
var inof = ["in", "of"];
|
|
do {
|
|
nextop = peek(i);
|
|
++i;
|
|
} while (!_.contains(inof, nextop.value) && nextop.value !== ";" &&
|
|
nextop.type !== "(end)");
|
|
|
|
// if we're in a for (… in|of …) statement
|
|
if (_.contains(inof, nextop.value)) {
|
|
if (!state.option.inESNext() && nextop.value === "of") {
|
|
error("W104", nextop, "for of");
|
|
}
|
|
if (state.tokens.next.id === "var") {
|
|
advance("var");
|
|
state.syntax["var"].fud.call(state.syntax["var"].fud, true);
|
|
} else if (state.tokens.next.id === "let") {
|
|
advance("let");
|
|
// create a new block scope
|
|
letscope = true;
|
|
funct["(blockscope)"].stack();
|
|
state.syntax["let"].fud.call(state.syntax["let"].fud, true);
|
|
} else {
|
|
switch (funct[state.tokens.next.value]) {
|
|
case "unused":
|
|
funct[state.tokens.next.value] = "var";
|
|
break;
|
|
case "var":
|
|
break;
|
|
default:
|
|
if (!funct["(blockscope)"].getlabel(state.tokens.next.value))
|
|
warning("W088", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
advance();
|
|
}
|
|
advance(nextop.value);
|
|
expression(20);
|
|
advance(")", t);
|
|
s = block(true, true);
|
|
if (state.option.forin && s && (s.length > 1 || typeof s[0] !== "object" ||
|
|
s[0].value !== "if")) {
|
|
warning("W089", this);
|
|
}
|
|
funct["(breakage)"] -= 1;
|
|
funct["(loopage)"] -= 1;
|
|
} else {
|
|
if (foreachtok) {
|
|
error("E045", foreachtok);
|
|
}
|
|
if (state.tokens.next.id !== ";") {
|
|
if (state.tokens.next.id === "var") {
|
|
advance("var");
|
|
state.syntax["var"].fud.call(state.syntax["var"].fud);
|
|
} else if (state.tokens.next.id === "let") {
|
|
advance("let");
|
|
// create a new block scope
|
|
letscope = true;
|
|
funct["(blockscope)"].stack();
|
|
state.syntax["let"].fud.call(state.syntax["let"].fud);
|
|
} else {
|
|
for (;;) {
|
|
expression(0, "for");
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
}
|
|
}
|
|
nolinebreak(state.tokens.curr);
|
|
advance(";");
|
|
if (state.tokens.next.id !== ";") {
|
|
checkCondAssignment(expression(0));
|
|
}
|
|
nolinebreak(state.tokens.curr);
|
|
advance(";");
|
|
if (state.tokens.next.id === ";") {
|
|
error("E021", state.tokens.next, ")", ";");
|
|
}
|
|
if (state.tokens.next.id !== ")") {
|
|
for (;;) {
|
|
expression(0, "for");
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
comma();
|
|
}
|
|
}
|
|
advance(")", t);
|
|
nospace(state.tokens.prev, state.tokens.curr);
|
|
block(true, true);
|
|
funct["(breakage)"] -= 1;
|
|
funct["(loopage)"] -= 1;
|
|
|
|
}
|
|
// unstack loop blockscope
|
|
if (letscope) {
|
|
funct["(blockscope)"].unstack();
|
|
}
|
|
return this;
|
|
}).labelled = true;
|
|
|
|
|
|
stmt("break", function () {
|
|
var v = state.tokens.next.value;
|
|
|
|
if (funct["(breakage)"] === 0)
|
|
warning("W052", state.tokens.next, this.value);
|
|
|
|
if (!state.option.asi)
|
|
nolinebreak(this);
|
|
|
|
if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
|
|
if (state.tokens.curr.line === state.tokens.next.line) {
|
|
if (funct[v] !== "label") {
|
|
warning("W090", state.tokens.next, v);
|
|
} else if (scope[v] !== funct) {
|
|
warning("W091", state.tokens.next, v);
|
|
}
|
|
this.first = state.tokens.next;
|
|
advance();
|
|
}
|
|
}
|
|
reachable("break");
|
|
return this;
|
|
}).exps = true;
|
|
|
|
|
|
stmt("continue", function () {
|
|
var v = state.tokens.next.value;
|
|
|
|
if (funct["(breakage)"] === 0)
|
|
warning("W052", state.tokens.next, this.value);
|
|
|
|
if (!state.option.asi)
|
|
nolinebreak(this);
|
|
|
|
if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
|
|
if (state.tokens.curr.line === state.tokens.next.line) {
|
|
if (funct[v] !== "label") {
|
|
warning("W090", state.tokens.next, v);
|
|
} else if (scope[v] !== funct) {
|
|
warning("W091", state.tokens.next, v);
|
|
}
|
|
this.first = state.tokens.next;
|
|
advance();
|
|
}
|
|
} else if (!funct["(loopage)"]) {
|
|
warning("W052", state.tokens.next, this.value);
|
|
}
|
|
reachable("continue");
|
|
return this;
|
|
}).exps = true;
|
|
|
|
|
|
stmt("return", function () {
|
|
if (this.line === state.tokens.next.line) {
|
|
if (state.tokens.next.id === "(regexp)")
|
|
warning("W092");
|
|
|
|
if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
this.first = expression(0);
|
|
|
|
if (this.first &&
|
|
this.first.type === "(punctuator)" && this.first.value === "=" && !state.option.boss) {
|
|
warningAt("W093", this.first.line, this.first.character);
|
|
}
|
|
}
|
|
} else {
|
|
if (state.tokens.next.type === "(punctuator)" &&
|
|
["[", "{", "+", "-"].indexOf(state.tokens.next.value) > -1) {
|
|
nolinebreak(this); // always warn (Line breaking error)
|
|
}
|
|
}
|
|
reachable("return");
|
|
return this;
|
|
}).exps = true;
|
|
|
|
(function (x) {
|
|
x.exps = true;
|
|
x.lbp = 25;
|
|
}(prefix("yield", function () {
|
|
var prev = state.tokens.prev;
|
|
if (state.option.inESNext(true) && !funct["(generator)"]) {
|
|
error("E046", state.tokens.curr, "yield");
|
|
} else if (!state.option.inESNext()) {
|
|
warning("W104", state.tokens.curr, "yield");
|
|
}
|
|
funct["(generator)"] = "yielded";
|
|
if (this.line === state.tokens.next.line || !state.option.inMoz(true)) {
|
|
if (state.tokens.next.id === "(regexp)")
|
|
warning("W092");
|
|
|
|
if (state.tokens.next.id !== ";" && !state.tokens.next.reach && state.tokens.next.nud) {
|
|
nobreaknonadjacent(state.tokens.curr, state.tokens.next);
|
|
this.first = expression(10);
|
|
|
|
if (this.first.type === "(punctuator)" && this.first.value === "=" && !state.option.boss) {
|
|
warningAt("W093", this.first.line, this.first.character);
|
|
}
|
|
}
|
|
|
|
if (state.option.inMoz(true) && state.tokens.next.id !== ")" &&
|
|
(prev.lbp > 30 || (!prev.assign && !isEndOfExpr()) || prev.id === "yield")) {
|
|
error("E050", this);
|
|
}
|
|
} else if (!state.option.asi) {
|
|
nolinebreak(this); // always warn (Line breaking error)
|
|
}
|
|
return this;
|
|
})));
|
|
|
|
|
|
stmt("throw", function () {
|
|
nolinebreak(this);
|
|
nonadjacent(state.tokens.curr, state.tokens.next);
|
|
this.first = expression(20);
|
|
reachable("throw");
|
|
return this;
|
|
}).exps = true;
|
|
|
|
stmt("import", function () {
|
|
if (!state.option.inESNext()) {
|
|
warning("W119", state.tokens.curr, "import");
|
|
}
|
|
|
|
if (state.tokens.next.identifier) {
|
|
this.name = identifier();
|
|
addlabel(this.name, "unused", state.tokens.curr);
|
|
} else {
|
|
advance("{");
|
|
for (;;) {
|
|
var importName;
|
|
if (state.tokens.next.type === "default") {
|
|
importName = "default";
|
|
advance("default");
|
|
} else {
|
|
importName = identifier();
|
|
}
|
|
if (state.tokens.next.value === "as") {
|
|
advance("as");
|
|
importName = identifier();
|
|
}
|
|
addlabel(importName, "unused", state.tokens.curr);
|
|
|
|
if (state.tokens.next.value === ",") {
|
|
advance(",");
|
|
} else if (state.tokens.next.value === "}") {
|
|
advance("}");
|
|
break;
|
|
} else {
|
|
error("E024", state.tokens.next, state.tokens.next.value);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
advance("from");
|
|
advance("(string)");
|
|
return this;
|
|
}).exps = true;
|
|
|
|
stmt("export", function () {
|
|
if (!state.option.inESNext()) {
|
|
warning("W119", state.tokens.curr, "export");
|
|
}
|
|
|
|
if (state.tokens.next.type === "default") {
|
|
advance("default");
|
|
if (state.tokens.next.id === "function" || state.tokens.next.id === "class") {
|
|
this.block = true;
|
|
}
|
|
this.exportee = expression(10);
|
|
|
|
return this;
|
|
}
|
|
|
|
if (state.tokens.next.value === "{") {
|
|
advance("{");
|
|
for (;;) {
|
|
identifier();
|
|
|
|
if (state.tokens.next.value === ",") {
|
|
advance(",");
|
|
} else if (state.tokens.next.value === "}") {
|
|
advance("}");
|
|
break;
|
|
} else {
|
|
error("E024", state.tokens.next, state.tokens.next.value);
|
|
break;
|
|
}
|
|
}
|
|
return this;
|
|
}
|
|
|
|
if (state.tokens.next.id === "var") {
|
|
advance("var");
|
|
state.syntax["var"].fud.call(state.syntax["var"].fud);
|
|
} else if (state.tokens.next.id === "let") {
|
|
advance("let");
|
|
state.syntax["let"].fud.call(state.syntax["let"].fud);
|
|
} else if (state.tokens.next.id === "const") {
|
|
advance("const");
|
|
state.syntax["const"].fud.call(state.syntax["const"].fud);
|
|
} else if (state.tokens.next.id === "function") {
|
|
this.block = true;
|
|
advance("function");
|
|
state.syntax["function"].fud();
|
|
} else if (state.tokens.next.id === "class") {
|
|
this.block = true;
|
|
advance("class");
|
|
state.syntax["class"].fud();
|
|
} else {
|
|
error("E024", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
|
|
return this;
|
|
}).exps = true;
|
|
|
|
// Future Reserved Words
|
|
|
|
FutureReservedWord("abstract");
|
|
FutureReservedWord("boolean");
|
|
FutureReservedWord("byte");
|
|
FutureReservedWord("char");
|
|
FutureReservedWord("class", { es5: true, nud: classdef });
|
|
FutureReservedWord("double");
|
|
FutureReservedWord("enum", { es5: true });
|
|
FutureReservedWord("export", { es5: true });
|
|
FutureReservedWord("extends", { es5: true });
|
|
FutureReservedWord("final");
|
|
FutureReservedWord("float");
|
|
FutureReservedWord("goto");
|
|
FutureReservedWord("implements", { es5: true, strictOnly: true });
|
|
FutureReservedWord("import", { es5: true });
|
|
FutureReservedWord("int");
|
|
FutureReservedWord("interface", { es5: true, strictOnly: true });
|
|
FutureReservedWord("long");
|
|
FutureReservedWord("native");
|
|
FutureReservedWord("package", { es5: true, strictOnly: true });
|
|
FutureReservedWord("private", { es5: true, strictOnly: true });
|
|
FutureReservedWord("protected", { es5: true, strictOnly: true });
|
|
FutureReservedWord("public", { es5: true, strictOnly: true });
|
|
FutureReservedWord("short");
|
|
FutureReservedWord("static", { es5: true, strictOnly: true });
|
|
FutureReservedWord("super", { es5: true });
|
|
FutureReservedWord("synchronized");
|
|
FutureReservedWord("throws");
|
|
FutureReservedWord("transient");
|
|
FutureReservedWord("volatile");
|
|
|
|
// this function is used to determine wether a squarebracket or a curlybracket
|
|
// expression is a comprehension array, destructuring assignment or a json value.
|
|
|
|
var lookupBlockType = function () {
|
|
var pn, pn1;
|
|
var i = 0;
|
|
var bracketStack = 0;
|
|
var ret = {};
|
|
if (_.contains(["[", "{"], state.tokens.curr.value))
|
|
bracketStack += 1;
|
|
if (_.contains(["[", "{"], state.tokens.next.value))
|
|
bracketStack += 1;
|
|
if (_.contains(["]", "}"], state.tokens.next.value))
|
|
bracketStack -= 1;
|
|
do {
|
|
pn = peek(i);
|
|
pn1 = peek(i + 1);
|
|
i = i + 1;
|
|
if (_.contains(["[", "{"], pn.value)) {
|
|
bracketStack += 1;
|
|
} else if (_.contains(["]", "}"], pn.value)) {
|
|
bracketStack -= 1;
|
|
}
|
|
if (pn.identifier && pn.value === "for" && bracketStack === 1) {
|
|
ret.isCompArray = true;
|
|
ret.notJson = true;
|
|
break;
|
|
}
|
|
if (_.contains(["}", "]"], pn.value) && pn1.value === "=") {
|
|
ret.isDestAssign = true;
|
|
ret.notJson = true;
|
|
break;
|
|
}
|
|
if (pn.value === ";") {
|
|
ret.isBlock = true;
|
|
ret.notJson = true;
|
|
}
|
|
} while (bracketStack > 0 && pn.id !== "(end)" && i < 15);
|
|
return ret;
|
|
};
|
|
|
|
// Check whether this function has been reached for a destructuring assign with undeclared values
|
|
function destructuringAssignOrJsonValue() {
|
|
// lookup for the assignment (esnext only)
|
|
// if it has semicolons, it is a block, so go parse it as a block
|
|
// or it's not a block, but there are assignments, check for undeclared variables
|
|
|
|
var block = lookupBlockType();
|
|
if (block.notJson) {
|
|
if (!state.option.inESNext() && block.isDestAssign) {
|
|
warning("W104", state.tokens.curr, "destructuring assignment");
|
|
}
|
|
statements();
|
|
// otherwise parse json value
|
|
} else {
|
|
state.option.laxbreak = true;
|
|
state.jsonMode = true;
|
|
jsonValue();
|
|
}
|
|
}
|
|
|
|
// array comprehension parsing function
|
|
// parses and defines the three states of the list comprehension in order
|
|
// to avoid defining global variables, but keeping them to the list comprehension scope
|
|
// only. The order of the states are as follows:
|
|
// * "use" which will be the returned iterative part of the list comprehension
|
|
// * "define" which will define the variables local to the list comprehension
|
|
// * "filter" which will help filter out values
|
|
|
|
var arrayComprehension = function () {
|
|
var CompArray = function () {
|
|
this.mode = "use";
|
|
this.variables = [];
|
|
};
|
|
var _carrays = [];
|
|
var _current;
|
|
function declare(v) {
|
|
var l = _current.variables.filter(function (elt) {
|
|
// if it has, change its undef state
|
|
if (elt.value === v) {
|
|
elt.undef = false;
|
|
return v;
|
|
}
|
|
}).length;
|
|
return l !== 0;
|
|
}
|
|
function use(v) {
|
|
var l = _current.variables.filter(function (elt) {
|
|
// and if it has been defined
|
|
if (elt.value === v && !elt.undef) {
|
|
if (elt.unused === true) {
|
|
elt.unused = false;
|
|
}
|
|
return v;
|
|
}
|
|
}).length;
|
|
// otherwise we warn about it
|
|
return (l === 0);
|
|
}
|
|
return {stack: function () {
|
|
_current = new CompArray();
|
|
_carrays.push(_current);
|
|
},
|
|
unstack: function () {
|
|
_current.variables.filter(function (v) {
|
|
if (v.unused)
|
|
warning("W098", v.token, v.value);
|
|
if (v.undef)
|
|
isundef(v.funct, "W117", v.token, v.value);
|
|
});
|
|
_carrays.splice(_carrays[_carrays.length - 1], 1);
|
|
_current = _carrays[_carrays.length - 1];
|
|
},
|
|
setState: function (s) {
|
|
if (_.contains(["use", "define", "filter"], s))
|
|
_current.mode = s;
|
|
},
|
|
check: function (v) {
|
|
// When we are in "use" state of the list comp, we enqueue that var
|
|
if (_current && _current.mode === "use") {
|
|
_current.variables.push({funct: funct,
|
|
token: state.tokens.curr,
|
|
value: v,
|
|
undef: true,
|
|
unused: false});
|
|
return true;
|
|
// When we are in "define" state of the list comp,
|
|
} else if (_current && _current.mode === "define") {
|
|
// check if the variable has been used previously
|
|
if (!declare(v)) {
|
|
_current.variables.push({funct: funct,
|
|
token: state.tokens.curr,
|
|
value: v,
|
|
undef: false,
|
|
unused: true});
|
|
}
|
|
return true;
|
|
// When we are in "filter" state,
|
|
} else if (_current && _current.mode === "filter") {
|
|
// we check whether current variable has been declared
|
|
if (use(v)) {
|
|
// if not we warn about it
|
|
isundef(funct, "W117", state.tokens.curr, v);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
};
|
|
|
|
|
|
// Parse JSON
|
|
|
|
function jsonValue() {
|
|
|
|
function jsonObject() {
|
|
var o = {}, t = state.tokens.next;
|
|
advance("{");
|
|
if (state.tokens.next.id !== "}") {
|
|
for (;;) {
|
|
if (state.tokens.next.id === "(end)") {
|
|
error("E026", state.tokens.next, t.line);
|
|
} else if (state.tokens.next.id === "}") {
|
|
warning("W094", state.tokens.curr);
|
|
break;
|
|
} else if (state.tokens.next.id === ",") {
|
|
error("E028", state.tokens.next);
|
|
} else if (state.tokens.next.id !== "(string)") {
|
|
warning("W095", state.tokens.next, state.tokens.next.value);
|
|
}
|
|
if (o[state.tokens.next.value] === true) {
|
|
warning("W075", state.tokens.next, state.tokens.next.value);
|
|
} else if ((state.tokens.next.value === "__proto__" &&
|
|
!state.option.proto) || (state.tokens.next.value === "__iterator__" &&
|
|
!state.option.iterator)) {
|
|
warning("W096", state.tokens.next, state.tokens.next.value);
|
|
} else {
|
|
o[state.tokens.next.value] = true;
|
|
}
|
|
advance();
|
|
advance(":");
|
|
jsonValue();
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
advance(",");
|
|
}
|
|
}
|
|
advance("}");
|
|
}
|
|
|
|
function jsonArray() {
|
|
var t = state.tokens.next;
|
|
advance("[");
|
|
if (state.tokens.next.id !== "]") {
|
|
for (;;) {
|
|
if (state.tokens.next.id === "(end)") {
|
|
error("E027", state.tokens.next, t.line);
|
|
} else if (state.tokens.next.id === "]") {
|
|
warning("W094", state.tokens.curr);
|
|
break;
|
|
} else if (state.tokens.next.id === ",") {
|
|
error("E028", state.tokens.next);
|
|
}
|
|
jsonValue();
|
|
if (state.tokens.next.id !== ",") {
|
|
break;
|
|
}
|
|
advance(",");
|
|
}
|
|
}
|
|
advance("]");
|
|
}
|
|
|
|
switch (state.tokens.next.id) {
|
|
case "{":
|
|
jsonObject();
|
|
break;
|
|
case "[":
|
|
jsonArray();
|
|
break;
|
|
case "true":
|
|
case "false":
|
|
case "null":
|
|
case "(number)":
|
|
case "(string)":
|
|
advance();
|
|
break;
|
|
case "-":
|
|
advance("-");
|
|
if (state.tokens.curr.character !== state.tokens.next.from) {
|
|
warning("W011", state.tokens.curr);
|
|
}
|
|
adjacent(state.tokens.curr, state.tokens.next);
|
|
advance("(number)");
|
|
break;
|
|
default:
|
|
error("E003", state.tokens.next);
|
|
}
|
|
}
|
|
|
|
var blockScope = function () {
|
|
var _current = {};
|
|
var _variables = [_current];
|
|
|
|
function _checkBlockLabels() {
|
|
for (var t in _current) {
|
|
if (_current[t]["(type)"] === "unused") {
|
|
if (state.option.unused) {
|
|
var tkn = _current[t]["(token)"];
|
|
var line = tkn.line;
|
|
var chr = tkn.character;
|
|
warningAt("W098", line, chr, t);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return {
|
|
stack: function () {
|
|
_current = {};
|
|
_variables.push(_current);
|
|
},
|
|
|
|
unstack: function () {
|
|
_checkBlockLabels();
|
|
_variables.splice(_variables.length - 1, 1);
|
|
_current = _.last(_variables);
|
|
},
|
|
|
|
getlabel: function (l) {
|
|
for (var i = _variables.length - 1 ; i >= 0; --i) {
|
|
if (_.has(_variables[i], l)) {
|
|
return _variables[i];
|
|
}
|
|
}
|
|
},
|
|
|
|
current: {
|
|
has: function (t) {
|
|
return _.has(_current, t);
|
|
},
|
|
add: function (t, type, tok) {
|
|
_current[t] = { "(type)" : type,
|
|
"(token)": tok };
|
|
}
|
|
}
|
|
};
|
|
};
|
|
|
|
// The actual JSHINT function itself.
|
|
var itself = function (s, o, g) {
|
|
var i, k, x;
|
|
var optionKeys;
|
|
var newOptionObj = {};
|
|
var newIgnoredObj = {};
|
|
|
|
state.reset();
|
|
|
|
if (o && o.scope) {
|
|
JSHINT.scope = o.scope;
|
|
} else {
|
|
JSHINT.errors = [];
|
|
JSHINT.undefs = [];
|
|
JSHINT.internals = [];
|
|
JSHINT.blacklist = {};
|
|
JSHINT.scope = "(main)";
|
|
}
|
|
|
|
predefined = Object.create(null);
|
|
combine(predefined, vars.ecmaIdentifiers);
|
|
combine(predefined, vars.reservedVars);
|
|
|
|
combine(predefined, g || {});
|
|
|
|
declared = Object.create(null);
|
|
exported = Object.create(null);
|
|
|
|
function each(obj, cb) {
|
|
if (!obj)
|
|
return;
|
|
|
|
if (!Array.isArray(obj) && typeof obj === "object")
|
|
obj = Object.keys(obj);
|
|
|
|
obj.forEach(cb);
|
|
}
|
|
|
|
if (o) {
|
|
each(o.predef || null, function (item) {
|
|
var slice, prop;
|
|
|
|
if (item[0] === "-") {
|
|
slice = item.slice(1);
|
|
JSHINT.blacklist[slice] = slice;
|
|
} else {
|
|
prop = Object.getOwnPropertyDescriptor(o.predef, item);
|
|
predefined[item] = prop ? prop.value : false;
|
|
}
|
|
});
|
|
|
|
each(o.exported || null, function (item) {
|
|
exported[item] = true;
|
|
});
|
|
|
|
delete o.predef;
|
|
delete o.exported;
|
|
|
|
optionKeys = Object.keys(o);
|
|
for (x = 0; x < optionKeys.length; x++) {
|
|
if (/^-W\d{3}$/g.test(optionKeys[x])) {
|
|
newIgnoredObj[optionKeys[x].slice(1)] = true;
|
|
} else {
|
|
newOptionObj[optionKeys[x]] = o[optionKeys[x]];
|
|
|
|
if (optionKeys[x] === "newcap" && o[optionKeys[x]] === false)
|
|
newOptionObj["(explicitNewcap)"] = true;
|
|
|
|
if (optionKeys[x] === "indent")
|
|
newOptionObj["(explicitIndent)"] = o[optionKeys[x]] === false ? false : true;
|
|
}
|
|
}
|
|
}
|
|
|
|
state.option = newOptionObj;
|
|
state.ignored = newIgnoredObj;
|
|
|
|
state.option.indent = state.option.indent || 4;
|
|
state.option.maxerr = state.option.maxerr || 50;
|
|
|
|
indent = 1;
|
|
global = Object.create(predefined);
|
|
scope = global;
|
|
funct = {
|
|
"(global)": true,
|
|
"(name)": "(global)",
|
|
"(scope)": scope,
|
|
"(breakage)": 0,
|
|
"(loopage)": 0,
|
|
"(tokens)": {},
|
|
"(metrics)": createMetrics(state.tokens.next),
|
|
"(blockscope)": blockScope(),
|
|
"(comparray)": arrayComprehension()
|
|
};
|
|
functions = [funct];
|
|
urls = [];
|
|
stack = null;
|
|
member = {};
|
|
membersOnly = null;
|
|
implied = {};
|
|
inblock = false;
|
|
lookahead = [];
|
|
warnings = 0;
|
|
unuseds = [];
|
|
|
|
if (!isString(s) && !Array.isArray(s)) {
|
|
errorAt("E004", 0);
|
|
return false;
|
|
}
|
|
|
|
api = {
|
|
get isJSON() {
|
|
return state.jsonMode;
|
|
},
|
|
|
|
getOption: function (name) {
|
|
return state.option[name] || null;
|
|
},
|
|
|
|
getCache: function (name) {
|
|
return state.cache[name];
|
|
},
|
|
|
|
setCache: function (name, value) {
|
|
state.cache[name] = value;
|
|
},
|
|
|
|
warn: function (code, data) {
|
|
warningAt.apply(null, [ code, data.line, data.char ].concat(data.data));
|
|
},
|
|
|
|
on: function (names, listener) {
|
|
names.split(" ").forEach(function (name) {
|
|
emitter.on(name, listener);
|
|
}.bind(this));
|
|
}
|
|
};
|
|
|
|
emitter.removeAllListeners();
|
|
(extraModules || []).forEach(function (func) {
|
|
func(api);
|
|
});
|
|
|
|
state.tokens.prev = state.tokens.curr = state.tokens.next = state.syntax["(begin)"];
|
|
|
|
lex = new Lexer(s);
|
|
|
|
lex.on("warning", function (ev) {
|
|
warningAt.apply(null, [ ev.code, ev.line, ev.character].concat(ev.data));
|
|
});
|
|
|
|
lex.on("error", function (ev) {
|
|
errorAt.apply(null, [ ev.code, ev.line, ev.character ].concat(ev.data));
|
|
});
|
|
|
|
lex.on("fatal", function (ev) {
|
|
quit("E041", ev.line, ev.from);
|
|
});
|
|
|
|
lex.on("Identifier", function (ev) {
|
|
emitter.emit("Identifier", ev);
|
|
});
|
|
|
|
lex.on("String", function (ev) {
|
|
emitter.emit("String", ev);
|
|
});
|
|
|
|
lex.on("Number", function (ev) {
|
|
emitter.emit("Number", ev);
|
|
});
|
|
|
|
lex.start();
|
|
|
|
// Check options
|
|
for (var name in o) {
|
|
if (_.has(o, name)) {
|
|
checkOption(name, state.tokens.curr);
|
|
}
|
|
}
|
|
|
|
assume();
|
|
|
|
// combine the passed globals after we've assumed all our options
|
|
combine(predefined, g || {});
|
|
|
|
//reset values
|
|
comma.first = true;
|
|
|
|
try {
|
|
advance();
|
|
switch (state.tokens.next.id) {
|
|
case "{":
|
|
case "[":
|
|
destructuringAssignOrJsonValue();
|
|
break;
|
|
default:
|
|
directives();
|
|
|
|
if (state.directive["use strict"]) {
|
|
if (!state.option.globalstrict && !state.option.node) {
|
|
warning("W097", state.tokens.prev);
|
|
}
|
|
}
|
|
|
|
statements();
|
|
}
|
|
advance((state.tokens.next && state.tokens.next.value !== ".") ? "(end)" : undefined);
|
|
funct["(blockscope)"].unstack();
|
|
|
|
var markDefined = function (name, context) {
|
|
do {
|
|
if (typeof context[name] === "string") {
|
|
// JSHINT marks unused variables as 'unused' and
|
|
// unused function declaration as 'unction'. This
|
|
// code changes such instances back 'var' and
|
|
// 'closure' so that the code in JSHINT.data()
|
|
// doesn't think they're unused.
|
|
|
|
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, tkn, type, unused_opt) {
|
|
var line = tkn.line;
|
|
var chr = tkn.character;
|
|
|
|
if (unused_opt === undefined) {
|
|
unused_opt = state.option.unused;
|
|
}
|
|
|
|
if (unused_opt === true) {
|
|
unused_opt = "last-param";
|
|
}
|
|
|
|
var warnable_types = {
|
|
"vars": ["var"],
|
|
"last-param": ["var", "param"],
|
|
"strict": ["var", "param", "last-param"]
|
|
};
|
|
|
|
if (unused_opt) {
|
|
if (warnable_types[unused_opt] && warnable_types[unused_opt].indexOf(type) !== -1) {
|
|
warningAt("W098", line, chr, name);
|
|
}
|
|
}
|
|
|
|
unuseds.push({
|
|
name: name,
|
|
line: line,
|
|
character: chr
|
|
});
|
|
};
|
|
|
|
var checkUnused = function (func, key) {
|
|
var type = func[key];
|
|
var tkn = func["(tokens)"][key];
|
|
|
|
if (key.charAt(0) === "(")
|
|
return;
|
|
|
|
if (type !== "unused" && type !== "unction")
|
|
return;
|
|
|
|
// Params are checked separately from other variables.
|
|
if (func["(params)"] && func["(params)"].indexOf(key) !== -1)
|
|
return;
|
|
|
|
// Variable is in global scope and defined as exported.
|
|
if (func["(global)"] && _.has(exported, key)) {
|
|
return;
|
|
}
|
|
|
|
warnUnused(key, tkn, "var");
|
|
};
|
|
|
|
// Check queued 'x is not defined' instances to see if they're still undefined.
|
|
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 if (state.option.undef) {
|
|
warning.apply(warning, k.slice(1));
|
|
}
|
|
}
|
|
|
|
functions.forEach(function (func) {
|
|
if (func["(unusedOption)"] === false) {
|
|
return;
|
|
}
|
|
|
|
for (var key in func) {
|
|
if (_.has(func, key)) {
|
|
checkUnused(func, key);
|
|
}
|
|
}
|
|
|
|
if (!func["(params)"])
|
|
return;
|
|
|
|
var params = func["(params)"].slice();
|
|
var param = params.pop();
|
|
var type, unused_opt;
|
|
|
|
while (param) {
|
|
type = func[param];
|
|
unused_opt = func["(unusedOption)"] || state.option.unused;
|
|
unused_opt = unused_opt === true ? "last-param" : unused_opt;
|
|
|
|
// 'undefined' is a special case for (function (window, undefined) { ... })();
|
|
// patterns.
|
|
|
|
if (param === "undefined")
|
|
return;
|
|
|
|
if (type === "unused" || type === "unction") {
|
|
warnUnused(param, func["(tokens)"][param], "param", func["(unusedOption)"]);
|
|
} else if (unused_opt === "last-param") {
|
|
return;
|
|
}
|
|
|
|
param = params.pop();
|
|
}
|
|
});
|
|
|
|
for (var key in declared) {
|
|
if (_.has(declared, key) && !_.has(global, key)) {
|
|
warnUnused(key, declared[key], "var");
|
|
}
|
|
}
|
|
|
|
} catch (err) {
|
|
if (err && err.name === "JSHintError") {
|
|
var nt = state.tokens.next || {};
|
|
JSHINT.errors.push({
|
|
scope : "(main)",
|
|
raw : err.raw,
|
|
code : err.code,
|
|
reason : err.message,
|
|
line : err.line || nt.line,
|
|
character : err.character || nt.from
|
|
}, null);
|
|
} else {
|
|
throw err;
|
|
}
|
|
}
|
|
|
|
// Loop over the listed "internals", and check them as well.
|
|
|
|
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;
|
|
};
|
|
|
|
// Modules.
|
|
itself.addModule = function (func) {
|
|
extraModules.push(func);
|
|
};
|
|
|
|
itself.addModule(style.register);
|
|
|
|
// Data summary.
|
|
itself.data = function () {
|
|
var data = {
|
|
functions: [],
|
|
options: state.option
|
|
};
|
|
var implieds = [];
|
|
var members = [];
|
|
var fu, f, i, j, n, globals;
|
|
|
|
if (itself.errors.length) {
|
|
data.errors = itself.errors;
|
|
}
|
|
|
|
if (state.jsonMode) {
|
|
data.json = true;
|
|
}
|
|
|
|
for (n in implied) {
|
|
if (_.has(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;
|
|
}());
|
|
|
|
// Make JSHINT a Node module, if possible.
|
|
if (typeof exports === "object" && exports) {
|
|
exports.JSHINT = JSHINT;
|
|
}
|
|
|
|
},
|
|
{"../shared/messages.js":2,"../shared/vars.js":3,"./lex.js":5,"./reg.js":6,"./state.js":7,"./style.js":8,"console-browserify":9,"events":10,"underscore":1}],
|
|
5:[function(req,module,exports){
|
|
/*
|
|
* Lexical analysis and token construction.
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
var _ = req("underscore");
|
|
var events = req("events");
|
|
var reg = req("./reg.js");
|
|
var state = req("./state.js").state;
|
|
|
|
// Some of these token types are from JavaScript Parser API
|
|
// while others are specific to JSHint parser.
|
|
// JS Parser API: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
|
|
|
|
var Token = {
|
|
Identifier: 1,
|
|
Punctuator: 2,
|
|
NumericLiteral: 3,
|
|
StringLiteral: 4,
|
|
Comment: 5,
|
|
Keyword: 6,
|
|
NullLiteral: 7,
|
|
BooleanLiteral: 8,
|
|
RegExp: 9
|
|
};
|
|
|
|
// This is auto generated from the unicode tables.
|
|
// The tables are at:
|
|
// http://www.fileformat.info/info/unicode/category/Lu/list.htm
|
|
// http://www.fileformat.info/info/unicode/category/Ll/list.htm
|
|
// http://www.fileformat.info/info/unicode/category/Lt/list.htm
|
|
// http://www.fileformat.info/info/unicode/category/Lm/list.htm
|
|
// http://www.fileformat.info/info/unicode/category/Lo/list.htm
|
|
// http://www.fileformat.info/info/unicode/category/Nl/list.htm
|
|
|
|
var unicodeLetterTable = [
|
|
170, 170, 181, 181, 186, 186, 192, 214,
|
|
216, 246, 248, 705, 710, 721, 736, 740, 748, 748, 750, 750,
|
|
880, 884, 886, 887, 890, 893, 902, 902, 904, 906, 908, 908,
|
|
910, 929, 931, 1013, 1015, 1153, 1162, 1319, 1329, 1366,
|
|
1369, 1369, 1377, 1415, 1488, 1514, 1520, 1522, 1568, 1610,
|
|
1646, 1647, 1649, 1747, 1749, 1749, 1765, 1766, 1774, 1775,
|
|
1786, 1788, 1791, 1791, 1808, 1808, 1810, 1839, 1869, 1957,
|
|
1969, 1969, 1994, 2026, 2036, 2037, 2042, 2042, 2048, 2069,
|
|
2074, 2074, 2084, 2084, 2088, 2088, 2112, 2136, 2308, 2361,
|
|
2365, 2365, 2384, 2384, 2392, 2401, 2417, 2423, 2425, 2431,
|
|
2437, 2444, 2447, 2448, 2451, 2472, 2474, 2480, 2482, 2482,
|
|
2486, 2489, 2493, 2493, 2510, 2510, 2524, 2525, 2527, 2529,
|
|
2544, 2545, 2565, 2570, 2575, 2576, 2579, 2600, 2602, 2608,
|
|
2610, 2611, 2613, 2614, 2616, 2617, 2649, 2652, 2654, 2654,
|
|
2674, 2676, 2693, 2701, 2703, 2705, 2707, 2728, 2730, 2736,
|
|
2738, 2739, 2741, 2745, 2749, 2749, 2768, 2768, 2784, 2785,
|
|
2821, 2828, 2831, 2832, 2835, 2856, 2858, 2864, 2866, 2867,
|
|
2869, 2873, 2877, 2877, 2908, 2909, 2911, 2913, 2929, 2929,
|
|
2947, 2947, 2949, 2954, 2958, 2960, 2962, 2965, 2969, 2970,
|
|
2972, 2972, 2974, 2975, 2979, 2980, 2984, 2986, 2990, 3001,
|
|
3024, 3024, 3077, 3084, 3086, 3088, 3090, 3112, 3114, 3123,
|
|
3125, 3129, 3133, 3133, 3160, 3161, 3168, 3169, 3205, 3212,
|
|
3214, 3216, 3218, 3240, 3242, 3251, 3253, 3257, 3261, 3261,
|
|
3294, 3294, 3296, 3297, 3313, 3314, 3333, 3340, 3342, 3344,
|
|
3346, 3386, 3389, 3389, 3406, 3406, 3424, 3425, 3450, 3455,
|
|
3461, 3478, 3482, 3505, 3507, 3515, 3517, 3517, 3520, 3526,
|
|
3585, 3632, 3634, 3635, 3648, 3654, 3713, 3714, 3716, 3716,
|
|
3719, 3720, 3722, 3722, 3725, 3725, 3732, 3735, 3737, 3743,
|
|
3745, 3747, 3749, 3749, 3751, 3751, 3754, 3755, 3757, 3760,
|
|
3762, 3763, 3773, 3773, 3776, 3780, 3782, 3782, 3804, 3805,
|
|
3840, 3840, 3904, 3911, 3913, 3948, 3976, 3980, 4096, 4138,
|
|
4159, 4159, 4176, 4181, 4186, 4189, 4193, 4193, 4197, 4198,
|
|
4206, 4208, 4213, 4225, 4238, 4238, 4256, 4293, 4304, 4346,
|
|
4348, 4348, 4352, 4680, 4682, 4685, 4688, 4694, 4696, 4696,
|
|
4698, 4701, 4704, 4744, 4746, 4749, 4752, 4784, 4786, 4789,
|
|
4792, 4798, 4800, 4800, 4802, 4805, 4808, 4822, 4824, 4880,
|
|
4882, 4885, 4888, 4954, 4992, 5007, 5024, 5108, 5121, 5740,
|
|
5743, 5759, 5761, 5786, 5792, 5866, 5870, 5872, 5888, 5900,
|
|
5902, 5905, 5920, 5937, 5952, 5969, 5984, 5996, 5998, 6000,
|
|
6016, 6067, 6103, 6103, 6108, 6108, 6176, 6263, 6272, 6312,
|
|
6314, 6314, 6320, 6389, 6400, 6428, 6480, 6509, 6512, 6516,
|
|
6528, 6571, 6593, 6599, 6656, 6678, 6688, 6740, 6823, 6823,
|
|
6917, 6963, 6981, 6987, 7043, 7072, 7086, 7087, 7104, 7141,
|
|
7168, 7203, 7245, 7247, 7258, 7293, 7401, 7404, 7406, 7409,
|
|
7424, 7615, 7680, 7957, 7960, 7965, 7968, 8005, 8008, 8013,
|
|
8016, 8023, 8025, 8025, 8027, 8027, 8029, 8029, 8031, 8061,
|
|
8064, 8116, 8118, 8124, 8126, 8126, 8130, 8132, 8134, 8140,
|
|
8144, 8147, 8150, 8155, 8160, 8172, 8178, 8180, 8182, 8188,
|
|
8305, 8305, 8319, 8319, 8336, 8348, 8450, 8450, 8455, 8455,
|
|
8458, 8467, 8469, 8469, 8473, 8477, 8484, 8484, 8486, 8486,
|
|
8488, 8488, 8490, 8493, 8495, 8505, 8508, 8511, 8517, 8521,
|
|
8526, 8526, 8544, 8584, 11264, 11310, 11312, 11358,
|
|
11360, 11492, 11499, 11502, 11520, 11557, 11568, 11621,
|
|
11631, 11631, 11648, 11670, 11680, 11686, 11688, 11694,
|
|
11696, 11702, 11704, 11710, 11712, 11718, 11720, 11726,
|
|
11728, 11734, 11736, 11742, 11823, 11823, 12293, 12295,
|
|
12321, 12329, 12337, 12341, 12344, 12348, 12353, 12438,
|
|
12445, 12447, 12449, 12538, 12540, 12543, 12549, 12589,
|
|
12593, 12686, 12704, 12730, 12784, 12799, 13312, 13312,
|
|
19893, 19893, 19968, 19968, 40907, 40907, 40960, 42124,
|
|
42192, 42237, 42240, 42508, 42512, 42527, 42538, 42539,
|
|
42560, 42606, 42623, 42647, 42656, 42735, 42775, 42783,
|
|
42786, 42888, 42891, 42894, 42896, 42897, 42912, 42921,
|
|
43002, 43009, 43011, 43013, 43015, 43018, 43020, 43042,
|
|
43072, 43123, 43138, 43187, 43250, 43255, 43259, 43259,
|
|
43274, 43301, 43312, 43334, 43360, 43388, 43396, 43442,
|
|
43471, 43471, 43520, 43560, 43584, 43586, 43588, 43595,
|
|
43616, 43638, 43642, 43642, 43648, 43695, 43697, 43697,
|
|
43701, 43702, 43705, 43709, 43712, 43712, 43714, 43714,
|
|
43739, 43741, 43777, 43782, 43785, 43790, 43793, 43798,
|
|
43808, 43814, 43816, 43822, 43968, 44002, 44032, 44032,
|
|
55203, 55203, 55216, 55238, 55243, 55291, 63744, 64045,
|
|
64048, 64109, 64112, 64217, 64256, 64262, 64275, 64279,
|
|
64285, 64285, 64287, 64296, 64298, 64310, 64312, 64316,
|
|
64318, 64318, 64320, 64321, 64323, 64324, 64326, 64433,
|
|
64467, 64829, 64848, 64911, 64914, 64967, 65008, 65019,
|
|
65136, 65140, 65142, 65276, 65313, 65338, 65345, 65370,
|
|
65382, 65470, 65474, 65479, 65482, 65487, 65490, 65495,
|
|
65498, 65500, 65536, 65547, 65549, 65574, 65576, 65594,
|
|
65596, 65597, 65599, 65613, 65616, 65629, 65664, 65786,
|
|
65856, 65908, 66176, 66204, 66208, 66256, 66304, 66334,
|
|
66352, 66378, 66432, 66461, 66464, 66499, 66504, 66511,
|
|
66513, 66517, 66560, 66717, 67584, 67589, 67592, 67592,
|
|
67594, 67637, 67639, 67640, 67644, 67644, 67647, 67669,
|
|
67840, 67861, 67872, 67897, 68096, 68096, 68112, 68115,
|
|
68117, 68119, 68121, 68147, 68192, 68220, 68352, 68405,
|
|
68416, 68437, 68448, 68466, 68608, 68680, 69635, 69687,
|
|
69763, 69807, 73728, 74606, 74752, 74850, 77824, 78894,
|
|
92160, 92728, 110592, 110593, 119808, 119892, 119894, 119964,
|
|
119966, 119967, 119970, 119970, 119973, 119974, 119977, 119980,
|
|
119982, 119993, 119995, 119995, 119997, 120003, 120005, 120069,
|
|
120071, 120074, 120077, 120084, 120086, 120092, 120094, 120121,
|
|
120123, 120126, 120128, 120132, 120134, 120134, 120138, 120144,
|
|
120146, 120485, 120488, 120512, 120514, 120538, 120540, 120570,
|
|
120572, 120596, 120598, 120628, 120630, 120654, 120656, 120686,
|
|
120688, 120712, 120714, 120744, 120746, 120770, 120772, 120779,
|
|
131072, 131072, 173782, 173782, 173824, 173824, 177972, 177972,
|
|
177984, 177984, 178205, 178205, 194560, 195101
|
|
];
|
|
|
|
var identifierStartTable = [];
|
|
|
|
for (var i = 0; i < 128; i++) {
|
|
identifierStartTable[i] =
|
|
i === 36 || // $
|
|
i >= 65 && i <= 90 || // A-Z
|
|
i === 95 || // _
|
|
i >= 97 && i <= 122; // a-z
|
|
}
|
|
|
|
var identifierPartTable = [];
|
|
|
|
for (var i = 0; i < 128; i++) {
|
|
identifierPartTable[i] =
|
|
identifierStartTable[i] || // $, _, A-Z, a-z
|
|
i >= 48 && i <= 57; // 0-9
|
|
}
|
|
|
|
// Object that handles postponed lexing verifications that checks the parsed
|
|
// environment state.
|
|
|
|
function asyncTrigger() {
|
|
var _checks = [];
|
|
|
|
return {
|
|
push: function (fn) {
|
|
_checks.push(fn);
|
|
},
|
|
|
|
check: function () {
|
|
for (var check = 0; check < _checks.length; ++check) {
|
|
_checks[check]();
|
|
}
|
|
|
|
_checks.splice(0, _checks.length);
|
|
}
|
|
};
|
|
}
|
|
|
|
/*
|
|
* Lexer for JSHint.
|
|
*
|
|
* This object does a char-by-char scan of the provided source code
|
|
* and produces a sequence of tokens.
|
|
*
|
|
* var lex = new Lexer("var i = 0;");
|
|
* lex.start();
|
|
* lex.token(); // returns the next token
|
|
*
|
|
* You have to use the token() method to move the lexer forward
|
|
* but you don't have to use its return value to get tokens. In addition
|
|
* to token() method returning the next token, the Lexer object also
|
|
* emits events.
|
|
*
|
|
* lex.on("Identifier", function (data) {
|
|
* if (data.name.indexOf("_") >= 0) {
|
|
* // Produce a warning.
|
|
* }
|
|
* });
|
|
*
|
|
* Note that the token() method returns tokens in a JSLint-compatible
|
|
* format while the event emitter uses a slightly modified version of
|
|
* Mozilla's JavaScript Parser API. Eventually, we will move away from
|
|
* JSLint format.
|
|
*/
|
|
function Lexer(source) {
|
|
var lines = source;
|
|
|
|
if (typeof lines === "string") {
|
|
lines = lines
|
|
.replace(/\r\n/g, "\n")
|
|
.replace(/\r/g, "\n")
|
|
.split("\n");
|
|
}
|
|
|
|
// If the first line is a shebang (#!), make it a blank and move on.
|
|
// Shebangs are used by Node scripts.
|
|
|
|
if (lines[0] && lines[0].substr(0, 2) === "#!") {
|
|
lines[0] = "";
|
|
}
|
|
|
|
this.emitter = new events.EventEmitter();
|
|
this.source = source;
|
|
this.setLines(lines);
|
|
this.prereg = true;
|
|
|
|
this.line = 0;
|
|
this.char = 1;
|
|
this.from = 1;
|
|
this.input = "";
|
|
|
|
for (var i = 0; i < state.option.indent; i += 1) {
|
|
state.tab += " ";
|
|
}
|
|
}
|
|
|
|
Lexer.prototype = {
|
|
_lines: [],
|
|
|
|
getLines: function () {
|
|
this._lines = state.lines;
|
|
return this._lines;
|
|
},
|
|
|
|
setLines: function (val) {
|
|
this._lines = val;
|
|
state.lines = this._lines;
|
|
},
|
|
|
|
/*
|
|
* Return the next i character without actually moving the
|
|
* char pointer.
|
|
*/
|
|
peek: function (i) {
|
|
return this.input.charAt(i || 0);
|
|
},
|
|
|
|
/*
|
|
* Move the char pointer forward i times.
|
|
*/
|
|
skip: function (i) {
|
|
i = i || 1;
|
|
this.char += i;
|
|
this.input = this.input.slice(i);
|
|
},
|
|
|
|
/*
|
|
* Subscribe to a token event. The API for this method is similar
|
|
* Underscore.js i.e. you can subscribe to multiple events with
|
|
* one call:
|
|
*
|
|
* lex.on("Identifier Number", function (data) {
|
|
* // ...
|
|
* });
|
|
*/
|
|
on: function (names, listener) {
|
|
names.split(" ").forEach(function (name) {
|
|
this.emitter.on(name, listener);
|
|
}.bind(this));
|
|
},
|
|
|
|
/*
|
|
* Trigger a token event. All arguments will be passed to each
|
|
* listener.
|
|
*/
|
|
trigger: function () {
|
|
this.emitter.emit.apply(this.emitter, Array.prototype.slice.call(arguments));
|
|
},
|
|
|
|
/*
|
|
* Postpone a token event. the checking condition is set as
|
|
* last parameter, and the trigger function is called in a
|
|
* stored callback. To be later called using the check() function
|
|
* by the parser. This avoids parser's peek() to give the lexer
|
|
* a false context.
|
|
*/
|
|
triggerAsync: function (type, args, checks, fn) {
|
|
checks.push(function () {
|
|
if (fn()) {
|
|
this.trigger(type, args);
|
|
}
|
|
}.bind(this));
|
|
},
|
|
|
|
/*
|
|
* Extract a punctuator out of the next sequence of characters
|
|
* or return 'null' if its not possible.
|
|
*
|
|
* This method's implementation was heavily influenced by the
|
|
* scanPunctuator function in the Esprima parser's source code.
|
|
*/
|
|
scanPunctuator: function () {
|
|
var ch1 = this.peek();
|
|
var ch2, ch3, ch4;
|
|
|
|
switch (ch1) {
|
|
// Most common single-character punctuators
|
|
case ".":
|
|
if ((/^[0-9]$/).test(this.peek(1))) {
|
|
return null;
|
|
}
|
|
if (this.peek(1) === "." && this.peek(2) === ".") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "..."
|
|
};
|
|
}
|
|
/* falls through */
|
|
case "(":
|
|
case ")":
|
|
case ";":
|
|
case ",":
|
|
case "{":
|
|
case "}":
|
|
case "[":
|
|
case "]":
|
|
case ":":
|
|
case "~":
|
|
case "?":
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1
|
|
};
|
|
|
|
// A pound sign (for Node shebangs)
|
|
case "#":
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1
|
|
};
|
|
|
|
// We're at the end of input
|
|
case "":
|
|
return null;
|
|
}
|
|
|
|
// Peek more characters
|
|
|
|
ch2 = this.peek(1);
|
|
ch3 = this.peek(2);
|
|
ch4 = this.peek(3);
|
|
|
|
// 4-character punctuator: >>>=
|
|
|
|
if (ch1 === ">" && ch2 === ">" && ch3 === ">" && ch4 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ">>>="
|
|
};
|
|
}
|
|
|
|
// 3-character punctuators: === !== >>> <<= >>=
|
|
|
|
if (ch1 === "=" && ch2 === "=" && ch3 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "==="
|
|
};
|
|
}
|
|
|
|
if (ch1 === "!" && ch2 === "=" && ch3 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "!=="
|
|
};
|
|
}
|
|
|
|
if (ch1 === ">" && ch2 === ">" && ch3 === ">") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ">>>"
|
|
};
|
|
}
|
|
|
|
if (ch1 === "<" && ch2 === "<" && ch3 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "<<="
|
|
};
|
|
}
|
|
|
|
if (ch1 === ">" && ch2 === ">" && ch3 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ">>="
|
|
};
|
|
}
|
|
|
|
// Fat arrow punctuator
|
|
if (ch1 === "=" && ch2 === ">") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1 + ch2
|
|
};
|
|
}
|
|
|
|
// 2-character punctuators: <= >= == != ++ -- << >> && ||
|
|
// += -= *= %= &= |= ^= (but not /=, see below)
|
|
if (ch1 === ch2 && ("+-<>&|".indexOf(ch1) >= 0)) {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1 + ch2
|
|
};
|
|
}
|
|
|
|
if ("<>=!+-*%&|^".indexOf(ch1) >= 0) {
|
|
if (ch2 === "=") {
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1 + ch2
|
|
};
|
|
}
|
|
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: ch1
|
|
};
|
|
}
|
|
|
|
// Special case: /=. We need to make sure that this is an
|
|
// operator and not a regular expression.
|
|
|
|
if (ch1 === "/") {
|
|
if (ch2 === "=" && /\/=(?!(\S*\/[gim]?))/.test(this.input)) {
|
|
// /= is not a part of a regular expression, return it as a
|
|
// punctuator.
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "/="
|
|
};
|
|
}
|
|
|
|
return {
|
|
type: Token.Punctuator,
|
|
value: "/"
|
|
};
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/*
|
|
* Extract a comment out of the next sequence of characters and/or
|
|
* lines or return 'null' if its not possible. Since comments can
|
|
* span across multiple lines this method has to move the char
|
|
* pointer.
|
|
*
|
|
* In addition to normal JavaScript comments (// and /*) this method
|
|
* also recognizes JSHint- and JSLint-specific comments such as
|
|
* /*jshint, /*jslint, /*globals and so on.
|
|
*/
|
|
scanComments: function () {
|
|
var ch1 = this.peek();
|
|
var ch2 = this.peek(1);
|
|
var rest = this.input.substr(2);
|
|
var startLine = this.line;
|
|
var startChar = this.char;
|
|
|
|
// Create a comment token object and make sure it
|
|
// has all the data JSHint needs to work with special
|
|
// comments.
|
|
|
|
function commentToken(label, body, opt) {
|
|
var special = ["jshint", "jslint", "members", "member", "globals", "global", "exported"];
|
|
var isSpecial = false;
|
|
var value = label + body;
|
|
var commentType = "plain";
|
|
opt = opt || {};
|
|
|
|
if (opt.isMultiline) {
|
|
value += "*/";
|
|
}
|
|
|
|
special.forEach(function (str) {
|
|
if (isSpecial) {
|
|
return;
|
|
}
|
|
|
|
// Don't recognize any special comments other than jshint for single-line
|
|
// comments. This introduced many problems with legit comments.
|
|
if (label === "//" && str !== "jshint") {
|
|
return;
|
|
}
|
|
|
|
if (body.substr(0, str.length) === str) {
|
|
isSpecial = true;
|
|
label = label + str;
|
|
body = body.substr(str.length);
|
|
}
|
|
|
|
if (!isSpecial && body.charAt(0) === " " && body.substr(1, str.length) === str) {
|
|
isSpecial = true;
|
|
label = label + " " + str;
|
|
body = body.substr(str.length + 1);
|
|
}
|
|
|
|
if (!isSpecial) {
|
|
return;
|
|
}
|
|
|
|
switch (str) {
|
|
case "member":
|
|
commentType = "members";
|
|
break;
|
|
case "global":
|
|
commentType = "globals";
|
|
break;
|
|
default:
|
|
commentType = str;
|
|
}
|
|
});
|
|
|
|
return {
|
|
type: Token.Comment,
|
|
commentType: commentType,
|
|
value: value,
|
|
body: body,
|
|
isSpecial: isSpecial,
|
|
isMultiline: opt.isMultiline || false,
|
|
isMalformed: opt.isMalformed || false
|
|
};
|
|
}
|
|
|
|
// End of unbegun comment. Raise an error and skip that input.
|
|
if (ch1 === "*" && ch2 === "/") {
|
|
this.trigger("error", {
|
|
code: "E018",
|
|
line: startLine,
|
|
character: startChar
|
|
});
|
|
|
|
this.skip(2);
|
|
return null;
|
|
}
|
|
|
|
// Comments must start either with // or /*
|
|
if (ch1 !== "/" || (ch2 !== "*" && ch2 !== "/")) {
|
|
return null;
|
|
}
|
|
|
|
// One-line comment
|
|
if (ch2 === "/") {
|
|
this.skip(this.input.length); // Skip to the EOL.
|
|
return commentToken("//", rest);
|
|
}
|
|
|
|
var body = "";
|
|
|
|
/* Multi-line comment */
|
|
if (ch2 === "*") {
|
|
this.skip(2);
|
|
|
|
while (this.peek() !== "*" || this.peek(1) !== "/") {
|
|
if (this.peek() === "") { // End of Line
|
|
body += "\n";
|
|
|
|
// If we hit EOF and our comment is still unclosed,
|
|
// trigger an error and end the comment implicitly.
|
|
if (!this.nextLine()) {
|
|
this.trigger("error", {
|
|
code: "E017",
|
|
line: startLine,
|
|
character: startChar
|
|
});
|
|
|
|
return commentToken("/*", body, {
|
|
isMultiline: true,
|
|
isMalformed: true
|
|
});
|
|
}
|
|
} else {
|
|
body += this.peek();
|
|
this.skip();
|
|
}
|
|
}
|
|
|
|
this.skip(2);
|
|
return commentToken("/*", body, { isMultiline: true });
|
|
}
|
|
},
|
|
|
|
/*
|
|
* Extract a keyword out of the next sequence of characters or
|
|
* return 'null' if its not possible.
|
|
*/
|
|
scanKeyword: function () {
|
|
var result = /^[a-zA-Z_$][a-zA-Z0-9_$]*/.exec(this.input);
|
|
var keywords = [
|
|
"if", "in", "do", "var", "for", "new",
|
|
"try", "let", "this", "else", "case",
|
|
"void", "with", "enum", "while", "break",
|
|
"catch", "throw", "const", "yield", "class",
|
|
"super", "return", "typeof", "delete",
|
|
"switch", "export", "import", "default",
|
|
"finally", "extends", "function", "continue",
|
|
"debugger", "instanceof"
|
|
];
|
|
|
|
if (result && keywords.indexOf(result[0]) >= 0) {
|
|
return {
|
|
type: Token.Keyword,
|
|
value: result[0]
|
|
};
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
/*
|
|
* Extract a JavaScript identifier out of the next sequence of
|
|
* characters or return 'null' if its not possible. In addition,
|
|
* to Identifier this method can also produce BooleanLiteral
|
|
* (true/false) and NullLiteral (null).
|
|
*/
|
|
scanIdentifier: function () {
|
|
var id = "";
|
|
var index = 0;
|
|
var type, char;
|
|
|
|
// Detects any character in the Unicode categories "Uppercase
|
|
// letter (Lu)", "Lowercase letter (Ll)", "Titlecase letter
|
|
// (Lt)", "Modifier letter (Lm)", "Other letter (Lo)", or
|
|
// "Letter number (Nl)".
|
|
//
|
|
// Both approach and unicodeLetterTable were borrowed from
|
|
// Google's Traceur.
|
|
|
|
function isUnicodeLetter(code) {
|
|
for (var i = 0; i < unicodeLetterTable.length;) {
|
|
if (code < unicodeLetterTable[i++]) {
|
|
return false;
|
|
}
|
|
|
|
if (code <= unicodeLetterTable[i++]) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function isHexDigit(str) {
|
|
return (/^[0-9a-fA-F]$/).test(str);
|
|
}
|
|
|
|
var readUnicodeEscapeSequence = function () {
|
|
/*jshint validthis:true */
|
|
index += 1;
|
|
|
|
if (this.peek(index) !== "u") {
|
|
return null;
|
|
}
|
|
|
|
var ch1 = this.peek(index + 1);
|
|
var ch2 = this.peek(index + 2);
|
|
var ch3 = this.peek(index + 3);
|
|
var ch4 = this.peek(index + 4);
|
|
var code;
|
|
|
|
if (isHexDigit(ch1) && isHexDigit(ch2) && isHexDigit(ch3) && isHexDigit(ch4)) {
|
|
code = parseInt(ch1 + ch2 + ch3 + ch4, 16);
|
|
|
|
if (isUnicodeLetter(code)) {
|
|
index += 5;
|
|
return "\\u" + ch1 + ch2 + ch3 + ch4;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
return null;
|
|
}.bind(this);
|
|
|
|
var getIdentifierStart = function () {
|
|
/*jshint validthis:true */
|
|
var chr = this.peek(index);
|
|
var code = chr.charCodeAt(0);
|
|
|
|
if (code === 92) {
|
|
return readUnicodeEscapeSequence();
|
|
}
|
|
|
|
if (code < 128) {
|
|
if (identifierStartTable[code]) {
|
|
index += 1;
|
|
return chr;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
if (isUnicodeLetter(code)) {
|
|
index += 1;
|
|
return chr;
|
|
}
|
|
|
|
return null;
|
|
}.bind(this);
|
|
|
|
var getIdentifierPart = function () {
|
|
/*jshint validthis:true */
|
|
var chr = this.peek(index);
|
|
var code = chr.charCodeAt(0);
|
|
|
|
if (code === 92) {
|
|
return readUnicodeEscapeSequence();
|
|
}
|
|
|
|
if (code < 128) {
|
|
if (identifierPartTable[code]) {
|
|
index += 1;
|
|
return chr;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
if (isUnicodeLetter(code)) {
|
|
index += 1;
|
|
return chr;
|
|
}
|
|
|
|
return null;
|
|
}.bind(this);
|
|
|
|
char = getIdentifierStart();
|
|
if (char === null) {
|
|
return null;
|
|
}
|
|
|
|
id = char;
|
|
for (;;) {
|
|
char = getIdentifierPart();
|
|
|
|
if (char === null) {
|
|
break;
|
|
}
|
|
|
|
id += char;
|
|
}
|
|
|
|
switch (id) {
|
|
case "true":
|
|
case "false":
|
|
type = Token.BooleanLiteral;
|
|
break;
|
|
case "null":
|
|
type = Token.NullLiteral;
|
|
break;
|
|
default:
|
|
type = Token.Identifier;
|
|
}
|
|
|
|
return {
|
|
type: type,
|
|
value: id
|
|
};
|
|
},
|
|
|
|
/*
|
|
* Extract a numeric literal out of the next sequence of
|
|
* characters or return 'null' if its not possible. This method
|
|
* supports all numeric literals described in section 7.8.3
|
|
* of the EcmaScript 5 specification.
|
|
*
|
|
* This method's implementation was heavily influenced by the
|
|
* scanNumericLiteral function in the Esprima parser's source code.
|
|
*/
|
|
scanNumericLiteral: function () {
|
|
var index = 0;
|
|
var value = "";
|
|
var length = this.input.length;
|
|
var char = this.peek(index);
|
|
var bad;
|
|
|
|
function isDecimalDigit(str) {
|
|
return (/^[0-9]$/).test(str);
|
|
}
|
|
|
|
function isOctalDigit(str) {
|
|
return (/^[0-7]$/).test(str);
|
|
}
|
|
|
|
function isHexDigit(str) {
|
|
return (/^[0-9a-fA-F]$/).test(str);
|
|
}
|
|
|
|
function isIdentifierStart(ch) {
|
|
return (ch === "$") || (ch === "_") || (ch === "\\") ||
|
|
(ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z");
|
|
}
|
|
|
|
// Numbers must start either with a decimal digit or a point.
|
|
|
|
if (char !== "." && !isDecimalDigit(char)) {
|
|
return null;
|
|
}
|
|
|
|
if (char !== ".") {
|
|
value = this.peek(index);
|
|
index += 1;
|
|
char = this.peek(index);
|
|
|
|
if (value === "0") {
|
|
// Base-16 numbers.
|
|
if (char === "x" || char === "X") {
|
|
index += 1;
|
|
value += char;
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
if (!isHexDigit(char)) {
|
|
break;
|
|
}
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
|
|
if (value.length <= 2) { // 0x
|
|
return {
|
|
type: Token.NumericLiteral,
|
|
value: value,
|
|
isMalformed: true
|
|
};
|
|
}
|
|
|
|
if (index < length) {
|
|
char = this.peek(index);
|
|
if (isIdentifierStart(char)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return {
|
|
type: Token.NumericLiteral,
|
|
value: value,
|
|
base: 16,
|
|
isMalformed: false
|
|
};
|
|
}
|
|
|
|
// Base-8 numbers.
|
|
if (isOctalDigit(char)) {
|
|
index += 1;
|
|
value += char;
|
|
bad = false;
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
|
|
// Numbers like '019' (note the 9) are not valid octals
|
|
// but we still parse them and mark as malformed.
|
|
|
|
if (isDecimalDigit(char)) {
|
|
bad = true;
|
|
} else if (!isOctalDigit(char)) {
|
|
break;
|
|
}
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
|
|
if (index < length) {
|
|
char = this.peek(index);
|
|
if (isIdentifierStart(char)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return {
|
|
type: Token.NumericLiteral,
|
|
value: value,
|
|
base: 8,
|
|
isMalformed: false
|
|
};
|
|
}
|
|
|
|
// Decimal numbers that start with '0' such as '09' are illegal
|
|
// but we still parse them and return as malformed.
|
|
|
|
if (isDecimalDigit(char)) {
|
|
index += 1;
|
|
value += char;
|
|
}
|
|
}
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
if (!isDecimalDigit(char)) {
|
|
break;
|
|
}
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
}
|
|
|
|
// Decimal digits.
|
|
|
|
if (char === ".") {
|
|
value += char;
|
|
index += 1;
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
if (!isDecimalDigit(char)) {
|
|
break;
|
|
}
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
}
|
|
|
|
// Exponent part.
|
|
|
|
if (char === "e" || char === "E") {
|
|
value += char;
|
|
index += 1;
|
|
char = this.peek(index);
|
|
|
|
if (char === "+" || char === "-") {
|
|
value += this.peek(index);
|
|
index += 1;
|
|
}
|
|
|
|
char = this.peek(index);
|
|
if (isDecimalDigit(char)) {
|
|
value += char;
|
|
index += 1;
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
if (!isDecimalDigit(char)) {
|
|
break;
|
|
}
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if (index < length) {
|
|
char = this.peek(index);
|
|
if (isIdentifierStart(char)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return {
|
|
type: Token.NumericLiteral,
|
|
value: value,
|
|
base: 10,
|
|
isMalformed: !isFinite(value)
|
|
};
|
|
},
|
|
|
|
/*
|
|
* Extract a string out of the next sequence of characters and/or
|
|
* lines or return 'null' if its not possible. Since strings can
|
|
* span across multiple lines this method has to move the char
|
|
* pointer.
|
|
*
|
|
* This method recognizes pseudo-multiline JavaScript strings:
|
|
*
|
|
* var str = "hello\
|
|
* world";
|
|
*/
|
|
scanStringLiteral: function (checks) {
|
|
/*jshint loopfunc:true */
|
|
var quote = this.peek();
|
|
|
|
// String must start with a quote.
|
|
if (quote !== "\"" && quote !== "'") {
|
|
return null;
|
|
}
|
|
|
|
// In JSON strings must always use double quotes.
|
|
this.triggerAsync("warning", {
|
|
code: "W108",
|
|
line: this.line,
|
|
character: this.char // +1?
|
|
}, checks, function () { return state.jsonMode && quote !== "\""; });
|
|
|
|
var value = "";
|
|
var startLine = this.line;
|
|
var startChar = this.char;
|
|
var allowNewLine = false;
|
|
|
|
this.skip();
|
|
|
|
outer: while (this.peek() !== quote) {
|
|
while (this.peek() === "") { // End Of Line
|
|
|
|
// If an EOL is not preceded by a backslash, show a warning
|
|
// and proceed like it was a legit multi-line string where
|
|
// author simply forgot to escape the newline symbol.
|
|
//
|
|
// Another approach is to implicitly close a string on EOL
|
|
// but it generates too many false positives.
|
|
|
|
if (!allowNewLine) {
|
|
this.trigger("warning", {
|
|
code: "W112",
|
|
line: this.line,
|
|
character: this.char
|
|
});
|
|
} else {
|
|
allowNewLine = false;
|
|
|
|
// Otherwise show a warning if multistr option was not set.
|
|
// For JSON, show warning no matter what.
|
|
|
|
this.triggerAsync("warning", {
|
|
code: "W043",
|
|
line: this.line,
|
|
character: this.char
|
|
}, checks, function () { return !state.option.multistr; });
|
|
|
|
this.triggerAsync("warning", {
|
|
code: "W042",
|
|
line: this.line,
|
|
character: this.char
|
|
}, checks, function () { return state.jsonMode && state.option.multistr; });
|
|
}
|
|
|
|
// If we get an EOF inside of an unclosed string, show an
|
|
// error and implicitly close it at the EOF point.
|
|
|
|
if (!this.nextLine()) {
|
|
this.trigger("error", {
|
|
code: "E029",
|
|
line: startLine,
|
|
character: startChar
|
|
});
|
|
|
|
return {
|
|
type: Token.StringLiteral,
|
|
value: value,
|
|
isUnclosed: true,
|
|
quote: quote
|
|
};
|
|
}
|
|
|
|
if (this.peek() == quote)
|
|
break outer;
|
|
}
|
|
|
|
allowNewLine = false;
|
|
var char = this.peek();
|
|
var jump = 1; // A length of a jump, after we're done
|
|
// parsing this character.
|
|
|
|
if (char < " ") {
|
|
// Warn about a control character in a string.
|
|
this.trigger("warning", {
|
|
code: "W113",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ "<non-printable>" ]
|
|
});
|
|
}
|
|
|
|
// Special treatment for some escaped characters.
|
|
|
|
if (char === "\\") {
|
|
this.skip();
|
|
char = this.peek();
|
|
|
|
switch (char) {
|
|
case "'":
|
|
this.triggerAsync("warning", {
|
|
code: "W114",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ "\\'" ]
|
|
}, checks, function () {return state.jsonMode; });
|
|
break;
|
|
case "b":
|
|
char = "\b";
|
|
break;
|
|
case "f":
|
|
char = "\f";
|
|
break;
|
|
case "n":
|
|
char = "\n";
|
|
break;
|
|
case "r":
|
|
char = "\r";
|
|
break;
|
|
case "t":
|
|
char = "\t";
|
|
break;
|
|
case "0":
|
|
char = "\0";
|
|
|
|
// Octal literals fail in strict mode.
|
|
// Check if the number is between 00 and 07.
|
|
var n = parseInt(this.peek(1), 10);
|
|
this.triggerAsync("warning", {
|
|
code: "W115",
|
|
line: this.line,
|
|
character: this.char
|
|
}, checks,
|
|
function () { return n >= 0 && n <= 7 && state.directive["use strict"]; });
|
|
break;
|
|
case "u":
|
|
char = String.fromCharCode(parseInt(this.input.substr(1, 4), 16));
|
|
jump = 5;
|
|
break;
|
|
case "v":
|
|
this.triggerAsync("warning", {
|
|
code: "W114",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ "\\v" ]
|
|
}, checks, function () { return state.jsonMode; });
|
|
|
|
char = "\v";
|
|
break;
|
|
case "x":
|
|
var x = parseInt(this.input.substr(1, 2), 16);
|
|
|
|
this.triggerAsync("warning", {
|
|
code: "W114",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ "\\x-" ]
|
|
}, checks, function () { return state.jsonMode; });
|
|
|
|
char = String.fromCharCode(x);
|
|
jump = 3;
|
|
break;
|
|
case "\\":
|
|
case "\"":
|
|
case "/":
|
|
break;
|
|
case "":
|
|
allowNewLine = true;
|
|
char = "";
|
|
break;
|
|
case "!":
|
|
if (value.slice(value.length - 2) === "<") {
|
|
break;
|
|
}
|
|
|
|
/*falls through */
|
|
default:
|
|
// Weird escaping.
|
|
this.trigger("warning", {
|
|
code: "W044",
|
|
line: this.line,
|
|
character: this.char
|
|
});
|
|
}
|
|
}
|
|
|
|
value += char;
|
|
this.skip(jump);
|
|
}
|
|
|
|
this.skip();
|
|
return {
|
|
type: Token.StringLiteral,
|
|
value: value,
|
|
isUnclosed: false,
|
|
quote: quote
|
|
};
|
|
},
|
|
|
|
/*
|
|
* Extract a regular expression out of the next sequence of
|
|
* characters and/or lines or return 'null' if its not possible.
|
|
*
|
|
* This method is platform dependent: it accepts almost any
|
|
* regular expression values but then tries to compile and run
|
|
* them using system's RegExp object. This means that there are
|
|
* rare edge cases where one JavaScript engine complains about
|
|
* your regular expression while others don't.
|
|
*/
|
|
scanRegExp: function () {
|
|
var index = 0;
|
|
var length = this.input.length;
|
|
var char = this.peek();
|
|
var value = char;
|
|
var body = "";
|
|
var flags = [];
|
|
var malformed = false;
|
|
var isCharSet = false;
|
|
var terminated;
|
|
|
|
var scanUnexpectedChars = function () {
|
|
// Unexpected control character
|
|
if (char < " ") {
|
|
malformed = true;
|
|
this.trigger("warning", {
|
|
code: "W048",
|
|
line: this.line,
|
|
character: this.char
|
|
});
|
|
}
|
|
|
|
// Unexpected escaped character
|
|
if (char === "<") {
|
|
malformed = true;
|
|
this.trigger("warning", {
|
|
code: "W049",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ char ]
|
|
});
|
|
}
|
|
}.bind(this);
|
|
|
|
// Regular expressions must start with '/'
|
|
if (!this.prereg || char !== "/") {
|
|
return null;
|
|
}
|
|
|
|
index += 1;
|
|
terminated = false;
|
|
|
|
// Try to get everything in between slashes. A couple of
|
|
// cases aside (see scanUnexpectedChars) we don't really
|
|
// care whether the resulting expression is valid or not.
|
|
// We will check that later using the RegExp object.
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
value += char;
|
|
body += char;
|
|
|
|
if (isCharSet) {
|
|
if (char === "]") {
|
|
if (this.peek(index - 1) !== "\\" || this.peek(index - 2) === "\\") {
|
|
isCharSet = false;
|
|
}
|
|
}
|
|
|
|
if (char === "\\") {
|
|
index += 1;
|
|
char = this.peek(index);
|
|
body += char;
|
|
value += char;
|
|
|
|
scanUnexpectedChars();
|
|
}
|
|
|
|
index += 1;
|
|
continue;
|
|
}
|
|
|
|
if (char === "\\") {
|
|
index += 1;
|
|
char = this.peek(index);
|
|
body += char;
|
|
value += char;
|
|
|
|
scanUnexpectedChars();
|
|
|
|
if (char === "/") {
|
|
index += 1;
|
|
continue;
|
|
}
|
|
|
|
if (char === "[") {
|
|
index += 1;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (char === "[") {
|
|
isCharSet = true;
|
|
index += 1;
|
|
continue;
|
|
}
|
|
|
|
if (char === "/") {
|
|
body = body.substr(0, body.length - 1);
|
|
terminated = true;
|
|
index += 1;
|
|
break;
|
|
}
|
|
|
|
index += 1;
|
|
}
|
|
|
|
// A regular expression that was never closed is an
|
|
// error from which we cannot recover.
|
|
|
|
if (!terminated) {
|
|
this.trigger("error", {
|
|
code: "E015",
|
|
line: this.line,
|
|
character: this.from
|
|
});
|
|
|
|
return void this.trigger("fatal", {
|
|
line: this.line,
|
|
from: this.from
|
|
});
|
|
}
|
|
|
|
// Parse flags (if any).
|
|
|
|
while (index < length) {
|
|
char = this.peek(index);
|
|
if (!/[gim]/.test(char)) {
|
|
break;
|
|
}
|
|
flags.push(char);
|
|
value += char;
|
|
index += 1;
|
|
}
|
|
|
|
// Check regular expression for correctness.
|
|
|
|
try {
|
|
new RegExp(body, flags.join(""));
|
|
} catch (err) {
|
|
malformed = true;
|
|
this.trigger("error", {
|
|
code: "E016",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ err.message ] // Platform dependent!
|
|
});
|
|
}
|
|
|
|
return {
|
|
type: Token.RegExp,
|
|
value: value,
|
|
flags: flags,
|
|
isMalformed: malformed
|
|
};
|
|
},
|
|
|
|
/*
|
|
* Scan for any occurence of mixed tabs and spaces. If smarttabs option
|
|
* is on, ignore tabs followed by spaces.
|
|
*
|
|
* Tabs followed by one space followed by a block comment are allowed.
|
|
*/
|
|
scanMixedSpacesAndTabs: function () {
|
|
var at, match;
|
|
|
|
if (state.option.smarttabs) {
|
|
// Negative look-behind for "//"
|
|
match = this.input.match(/(\/\/|^\s?\*)? \t/);
|
|
at = match && !match[1] ? 0 : -1;
|
|
} else {
|
|
at = this.input.search(/ \t|\t [^\*]/);
|
|
}
|
|
|
|
return at;
|
|
},
|
|
|
|
/*
|
|
* Scan for characters that get silently deleted by one or more browsers.
|
|
*/
|
|
scanUnsafeChars: function () {
|
|
return this.input.search(reg.unsafeChars);
|
|
},
|
|
|
|
/*
|
|
* Produce the next raw token or return 'null' if no tokens can be matched.
|
|
* This method skips over all space characters.
|
|
*/
|
|
next: function (checks) {
|
|
this.from = this.char;
|
|
|
|
// Move to the next non-space character.
|
|
var start;
|
|
if (/\s/.test(this.peek())) {
|
|
start = this.char;
|
|
|
|
while (/\s/.test(this.peek())) {
|
|
this.from += 1;
|
|
this.skip();
|
|
}
|
|
|
|
if (this.peek() === "") { // EOL
|
|
if (!/^\s*$/.test(this.getLines()[this.line - 1]) && state.option.trailing) {
|
|
this.trigger("warning", { code: "W102", line: this.line, character: start });
|
|
}
|
|
}
|
|
}
|
|
|
|
// Methods that work with multi-line structures and move the
|
|
// character pointer.
|
|
|
|
var match = this.scanComments() ||
|
|
this.scanStringLiteral(checks);
|
|
|
|
if (match) {
|
|
return match;
|
|
}
|
|
|
|
// Methods that don't move the character pointer.
|
|
|
|
match =
|
|
this.scanRegExp() ||
|
|
this.scanPunctuator() ||
|
|
this.scanKeyword() ||
|
|
this.scanIdentifier() ||
|
|
this.scanNumericLiteral();
|
|
|
|
if (match) {
|
|
this.skip(match.value.length);
|
|
return match;
|
|
}
|
|
|
|
// No token could be matched, give up.
|
|
|
|
return null;
|
|
},
|
|
|
|
/*
|
|
* Switch to the next line and reset all char pointers. Once
|
|
* switched, this method also checks for mixed spaces and tabs
|
|
* and other minor warnings.
|
|
*/
|
|
nextLine: function () {
|
|
var char;
|
|
|
|
if (this.line >= this.getLines().length) {
|
|
return false;
|
|
}
|
|
|
|
this.input = this.getLines()[this.line];
|
|
this.line += 1;
|
|
this.char = 1;
|
|
this.from = 1;
|
|
|
|
char = this.scanMixedSpacesAndTabs();
|
|
if (char >= 0) {
|
|
this.trigger("warning", { code: "W099", line: this.line, character: char + 1 });
|
|
}
|
|
|
|
this.input = this.input.replace(/\t/g, state.tab);
|
|
char = this.scanUnsafeChars();
|
|
|
|
if (char >= 0) {
|
|
this.trigger("warning", { code: "W100", line: this.line, character: char });
|
|
}
|
|
|
|
// If there is a limit on line length, warn when lines get too
|
|
// long.
|
|
|
|
if (state.option.maxlen && state.option.maxlen < this.input.length) {
|
|
this.trigger("warning", { code: "W101", line: this.line, character: this.input.length });
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
/*
|
|
* This is simply a synonym for nextLine() method with a friendlier
|
|
* public name.
|
|
*/
|
|
start: function () {
|
|
this.nextLine();
|
|
},
|
|
|
|
/*
|
|
* Produce the next token. This function is called by advance() to get
|
|
* the next token. It retuns a token in a JSLint-compatible format.
|
|
*/
|
|
token: function () {
|
|
/*jshint loopfunc:true */
|
|
var checks = asyncTrigger();
|
|
var token;
|
|
|
|
|
|
function isReserved(token, isProperty) {
|
|
if (!token.reserved) {
|
|
return false;
|
|
}
|
|
var meta = token.meta;
|
|
|
|
if (meta && meta.isFutureReservedWord && state.option.inES5()) {
|
|
// ES3 FutureReservedWord in an ES5 environment.
|
|
if (!meta.es5) {
|
|
return false;
|
|
}
|
|
|
|
// Some ES5 FutureReservedWord identifiers are active only
|
|
// within a strict mode environment.
|
|
if (meta.strictOnly) {
|
|
if (!state.option.strict && !state.directive["use strict"]) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (isProperty) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// Produce a token object.
|
|
var create = function (type, value, isProperty) {
|
|
/*jshint validthis:true */
|
|
var obj;
|
|
|
|
if (type !== "(endline)" && type !== "(end)") {
|
|
this.prereg = false;
|
|
}
|
|
|
|
if (type === "(punctuator)") {
|
|
switch (value) {
|
|
case ".":
|
|
case ")":
|
|
case "~":
|
|
case "#":
|
|
case "]":
|
|
this.prereg = false;
|
|
break;
|
|
default:
|
|
this.prereg = true;
|
|
}
|
|
|
|
obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
|
|
}
|
|
|
|
if (type === "(identifier)") {
|
|
if (value === "return" || value === "case" || value === "typeof") {
|
|
this.prereg = true;
|
|
}
|
|
|
|
if (_.has(state.syntax, value)) {
|
|
obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
|
|
|
|
// If this can't be a reserved keyword, reset the object.
|
|
if (!isReserved(obj, isProperty && type === "(identifier)")) {
|
|
obj = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!obj) {
|
|
obj = Object.create(state.syntax[type]);
|
|
}
|
|
|
|
obj.identifier = (type === "(identifier)");
|
|
obj.type = obj.type || type;
|
|
obj.value = value;
|
|
obj.line = this.line;
|
|
obj.character = this.char;
|
|
obj.from = this.from;
|
|
|
|
if (isProperty && obj.identifier) {
|
|
obj.isProperty = isProperty;
|
|
}
|
|
|
|
obj.check = checks.check;
|
|
|
|
return obj;
|
|
}.bind(this);
|
|
|
|
for (;;) {
|
|
if (!this.input.length) {
|
|
return create(this.nextLine() ? "(endline)" : "(end)", "");
|
|
}
|
|
|
|
token = this.next(checks);
|
|
|
|
if (!token) {
|
|
if (this.input.length) {
|
|
// Unexpected character.
|
|
this.trigger("error", {
|
|
code: "E024",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ this.peek() ]
|
|
});
|
|
|
|
this.input = "";
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
switch (token.type) {
|
|
case Token.StringLiteral:
|
|
this.triggerAsync("String", {
|
|
line: this.line,
|
|
char: this.char,
|
|
from: this.from,
|
|
value: token.value,
|
|
quote: token.quote
|
|
}, checks, function () { return true; });
|
|
|
|
return create("(string)", token.value);
|
|
case Token.Identifier:
|
|
this.trigger("Identifier", {
|
|
line: this.line,
|
|
char: this.char,
|
|
from: this.form,
|
|
name: token.value,
|
|
isProperty: state.tokens.curr.id === "."
|
|
});
|
|
|
|
/* falls through */
|
|
case Token.Keyword:
|
|
case Token.NullLiteral:
|
|
case Token.BooleanLiteral:
|
|
return create("(identifier)", token.value, state.tokens.curr.id === ".");
|
|
|
|
case Token.NumericLiteral:
|
|
if (token.isMalformed) {
|
|
this.trigger("warning", {
|
|
code: "W045",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ token.value ]
|
|
});
|
|
}
|
|
|
|
this.triggerAsync("warning", {
|
|
code: "W114",
|
|
line: this.line,
|
|
character: this.char,
|
|
data: [ "0x-" ]
|
|
}, checks, function () { return token.base === 16 && state.jsonMode; });
|
|
|
|
this.triggerAsync("warning", {
|
|
code: "W115",
|
|
line: this.line,
|
|
character: this.char
|
|
}, checks, function () {
|
|
return state.directive["use strict"] && token.base === 8;
|
|
});
|
|
|
|
this.trigger("Number", {
|
|
line: this.line,
|
|
char: this.char,
|
|
from: this.from,
|
|
value: token.value,
|
|
base: token.base,
|
|
isMalformed: token.malformed
|
|
});
|
|
|
|
return create("(number)", token.value);
|
|
|
|
case Token.RegExp:
|
|
return create("(regexp)", token.value);
|
|
|
|
case Token.Comment:
|
|
state.tokens.curr.comment = true;
|
|
|
|
if (token.isSpecial) {
|
|
return {
|
|
value: token.value,
|
|
body: token.body,
|
|
type: token.commentType,
|
|
isSpecial: token.isSpecial,
|
|
line: this.line,
|
|
character: this.char,
|
|
from: this.from
|
|
};
|
|
}
|
|
|
|
break;
|
|
|
|
case "":
|
|
break;
|
|
|
|
default:
|
|
return create("(punctuator)", token.value);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
exports.Lexer = Lexer;
|
|
|
|
},
|
|
{"./reg.js":6,"./state.js":7,"events":10,"underscore":1}],
|
|
6:[function(req,module,exports){
|
|
/*
|
|
* Regular expressions. Some of these are stupidly long.
|
|
*/
|
|
|
|
/*jshint maxlen:1000 */
|
|
|
|
"use string";
|
|
|
|
// Unsafe comment or string (ax)
|
|
exports.unsafeString =
|
|
/@cc|<\/?|script|\]\s*\]|<\s*!|</i;
|
|
|
|
// Unsafe characters that are silently deleted by one or more browsers (cx)
|
|
exports.unsafeChars =
|
|
/[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
|
|
|
|
// Characters in strings that need escaping (nx and nxg)
|
|
exports.needEsc =
|
|
/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
|
|
|
|
exports.needEscGlobal =
|
|
/[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
|
|
|
|
// Star slash (lx)
|
|
exports.starSlash = /\*\//;
|
|
|
|
// Identifier (ix)
|
|
exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
|
|
|
|
// JavaScript URL (jx)
|
|
exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
|
|
|
|
// Catches /* falls through */ comments (ft)
|
|
exports.fallsThrough = /^\s*\/\*\s*falls?\sthrough\s*\*\/\s*$/;
|
|
|
|
},
|
|
{}],
|
|
7:[function(req,module,exports){
|
|
"use strict";
|
|
|
|
var state = {
|
|
syntax: {},
|
|
|
|
reset: function () {
|
|
this.tokens = {
|
|
prev: null,
|
|
next: null,
|
|
curr: null
|
|
};
|
|
|
|
this.option = {};
|
|
this.ignored = {};
|
|
this.directive = {};
|
|
this.jsonMode = false;
|
|
this.jsonWarnings = [];
|
|
this.lines = [];
|
|
this.tab = "";
|
|
this.cache = {}; // Node.JS doesn't have Map. Sniff.
|
|
}
|
|
};
|
|
|
|
exports.state = state;
|
|
|
|
},
|
|
{}],
|
|
8:[function(req,module,exports){
|
|
"use strict";
|
|
|
|
exports.register = function (linter) {
|
|
// Check for properties named __proto__. This special property was
|
|
// deprecated and then re-introduced for ES6.
|
|
|
|
linter.on("Identifier", function style_scanProto(data) {
|
|
if (linter.getOption("proto")) {
|
|
return;
|
|
}
|
|
|
|
if (data.name === "__proto__") {
|
|
linter.warn("W103", {
|
|
line: data.line,
|
|
char: data.char,
|
|
data: [ data.name ]
|
|
});
|
|
}
|
|
});
|
|
|
|
// Check for properties named __iterator__. This is a special property
|
|
// available only in browsers with JavaScript 1.7 implementation.
|
|
|
|
linter.on("Identifier", function style_scanIterator(data) {
|
|
if (linter.getOption("iterator")) {
|
|
return;
|
|
}
|
|
|
|
if (data.name === "__iterator__") {
|
|
linter.warn("W104", {
|
|
line: data.line,
|
|
char: data.char,
|
|
data: [ data.name ]
|
|
});
|
|
}
|
|
});
|
|
|
|
// Check for dangling underscores.
|
|
|
|
linter.on("Identifier", function style_scanDangling(data) {
|
|
if (!linter.getOption("nomen")) {
|
|
return;
|
|
}
|
|
|
|
// Underscore.js
|
|
if (data.name === "_") {
|
|
return;
|
|
}
|
|
|
|
// In Node, __dirname and __filename should be ignored.
|
|
if (linter.getOption("node")) {
|
|
if (/^(__dirname|__filename)$/.test(data.name) && !data.isProperty) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (/^(_+.*|.*_+)$/.test(data.name)) {
|
|
linter.warn("W105", {
|
|
line: data.line,
|
|
char: data.from,
|
|
data: [ "dangling '_'", data.name ]
|
|
});
|
|
}
|
|
});
|
|
|
|
// Check that all identifiers are using camelCase notation.
|
|
// Exceptions: names like MY_VAR and _myVar.
|
|
|
|
linter.on("Identifier", function style_scanCamelCase(data) {
|
|
if (!linter.getOption("camelcase")) {
|
|
return;
|
|
}
|
|
|
|
if (data.name.replace(/^_+/, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
|
|
linter.warn("W106", {
|
|
line: data.line,
|
|
char: data.from,
|
|
data: [ data.name ]
|
|
});
|
|
}
|
|
});
|
|
|
|
// Enforce consistency in style of quoting.
|
|
|
|
linter.on("String", function style_scanQuotes(data) {
|
|
var quotmark = linter.getOption("quotmark");
|
|
var code;
|
|
|
|
if (!quotmark) {
|
|
return;
|
|
}
|
|
|
|
// If quotmark is set to 'single' warn about all double-quotes.
|
|
|
|
if (quotmark === "single" && data.quote !== "'") {
|
|
code = "W109";
|
|
}
|
|
|
|
// If quotmark is set to 'double' warn about all single-quotes.
|
|
|
|
if (quotmark === "double" && data.quote !== "\"") {
|
|
code = "W108";
|
|
}
|
|
|
|
// If quotmark is set to true, remember the first quotation style
|
|
// and then warn about all others.
|
|
|
|
if (quotmark === true) {
|
|
if (!linter.getCache("quotmark")) {
|
|
linter.setCache("quotmark", data.quote);
|
|
}
|
|
|
|
if (linter.getCache("quotmark") !== data.quote) {
|
|
code = "W110";
|
|
}
|
|
}
|
|
|
|
if (code) {
|
|
linter.warn(code, {
|
|
line: data.line,
|
|
char: data.char,
|
|
});
|
|
}
|
|
});
|
|
|
|
linter.on("Number", function style_scanNumbers(data) {
|
|
if (data.value.charAt(0) === ".") {
|
|
// Warn about a leading decimal point.
|
|
linter.warn("W008", {
|
|
line: data.line,
|
|
char: data.char,
|
|
data: [ data.value ]
|
|
});
|
|
}
|
|
|
|
if (data.value.substr(data.value.length - 1) === ".") {
|
|
// Warn about a trailing decimal point.
|
|
linter.warn("W047", {
|
|
line: data.line,
|
|
char: data.char,
|
|
data: [ data.value ]
|
|
});
|
|
}
|
|
|
|
if (/^00+/.test(data.value)) {
|
|
// Multiple leading zeroes.
|
|
linter.warn("W046", {
|
|
line: data.line,
|
|
char: data.char,
|
|
data: [ data.value ]
|
|
});
|
|
}
|
|
});
|
|
|
|
// Warn about script URLs.
|
|
|
|
linter.on("String", function style_scanJavaScriptURLs(data) {
|
|
var re = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
|
|
|
|
if (linter.getOption("scripturl")) {
|
|
return;
|
|
}
|
|
|
|
if (re.test(data.value)) {
|
|
linter.warn("W107", {
|
|
line: data.line,
|
|
char: data.char
|
|
});
|
|
}
|
|
});
|
|
};
|
|
},
|
|
{}],
|
|
9:[function(req,module,exports){
|
|
|
|
},
|
|
{}],
|
|
10:[function(req,module,exports){
|
|
var process=req("__browserify_process");if (!process.EventEmitter) process.EventEmitter = function () {};
|
|
|
|
var EventEmitter = exports.EventEmitter = process.EventEmitter;
|
|
var isArray = typeof Array.isArray === 'function'
|
|
? Array.isArray
|
|
: function (xs) {
|
|
return Object.prototype.toString.call(xs) === '[object Array]'
|
|
}
|
|
;
|
|
function indexOf (xs, x) {
|
|
if (xs.indexOf) return xs.indexOf(x);
|
|
for (var i = 0; i < xs.length; i++) {
|
|
if (x === xs[i]) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
// By default EventEmitters will print a warning if more than
|
|
// 10 listeners are added to it. This is a useful default which
|
|
// helps finding memory leaks.
|
|
//
|
|
// Obviously not all Emitters should be limited to 10. This function allows
|
|
// that to be increased. Set to zero for unlimited.
|
|
var defaultMaxListeners = 200;
|
|
EventEmitter.prototype.setMaxListeners = function(n) {
|
|
if (!this._events) this._events = {};
|
|
this._events.maxListeners = n;
|
|
};
|
|
|
|
|
|
EventEmitter.prototype.emit = function(type) {
|
|
// If there is no 'error' event listener then throw.
|
|
if (type === 'error') {
|
|
if (!this._events || !this._events.error ||
|
|
(isArray(this._events.error) && !this._events.error.length))
|
|
{
|
|
if (arguments[1] instanceof Error) {
|
|
throw arguments[1]; // Unhandled 'error' event
|
|
} else {
|
|
throw new Error("Uncaught, unspecified 'error' event.");
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!this._events) return false;
|
|
var handler = this._events[type];
|
|
if (!handler) return false;
|
|
|
|
if (typeof handler == 'function') {
|
|
switch (arguments.length) {
|
|
// fast cases
|
|
case 1:
|
|
handler.call(this);
|
|
break;
|
|
case 2:
|
|
handler.call(this, arguments[1]);
|
|
break;
|
|
case 3:
|
|
handler.call(this, arguments[1], arguments[2]);
|
|
break;
|
|
// slower
|
|
default:
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
handler.apply(this, args);
|
|
}
|
|
return true;
|
|
|
|
} else if (isArray(handler)) {
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
|
|
var listeners = handler.slice();
|
|
for (var i = 0, l = listeners.length; i < l; i++) {
|
|
listeners[i].apply(this, args);
|
|
}
|
|
return true;
|
|
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
// EventEmitter is defined in src/node_events.cc
|
|
// EventEmitter.prototype.emit() is also defined there.
|
|
EventEmitter.prototype.addListener = function(type, listener) {
|
|
if ('function' !== typeof listener) {
|
|
throw new Error('addListener only takes instances of Function');
|
|
}
|
|
|
|
if (!this._events) this._events = {};
|
|
|
|
// To avoid recursion in the case that type == "newListeners"! Before
|
|
// adding it to the listeners, first emit "newListeners".
|
|
this.emit('newListener', type, listener);
|
|
|
|
if (!this._events[type]) {
|
|
// Optimize the case of one listener. Don't need the extra array object.
|
|
this._events[type] = listener;
|
|
} else if (isArray(this._events[type])) {
|
|
|
|
// Check for listener leak
|
|
if (!this._events[type].warned) {
|
|
var m;
|
|
if (this._events.maxListeners !== undefined) {
|
|
m = this._events.maxListeners;
|
|
} else {
|
|
m = defaultMaxListeners;
|
|
}
|
|
|
|
if (m && m > 0 && this._events[type].length > m) {
|
|
this._events[type].warned = true;
|
|
console.error('(node) warning: possible EventEmitter memory ' +
|
|
'leak detected. %d listeners added. ' +
|
|
'Use emitter.setMaxListeners() to increase limit.',
|
|
this._events[type].length);
|
|
console.trace();
|
|
}
|
|
}
|
|
|
|
// If we've already got an array, just append.
|
|
this._events[type].push(listener);
|
|
} else {
|
|
// Adding the second element, need to change to array.
|
|
this._events[type] = [this._events[type], listener];
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
|
|
|
|
EventEmitter.prototype.once = function(type, listener) {
|
|
var self = this;
|
|
self.on(type, function g() {
|
|
self.removeListener(type, g);
|
|
listener.apply(this, arguments);
|
|
});
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.removeListener = function(type, listener) {
|
|
if ('function' !== typeof listener) {
|
|
throw new Error('removeListener only takes instances of Function');
|
|
}
|
|
|
|
// does not use listeners(), so no side effect of creating _events[type]
|
|
if (!this._events || !this._events[type]) return this;
|
|
|
|
var list = this._events[type];
|
|
|
|
if (isArray(list)) {
|
|
var i = indexOf(list, listener);
|
|
if (i < 0) return this;
|
|
list.splice(i, 1);
|
|
if (list.length == 0)
|
|
delete this._events[type];
|
|
} else if (this._events[type] === listener) {
|
|
delete this._events[type];
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.removeAllListeners = function(type) {
|
|
if (arguments.length === 0) {
|
|
this._events = {};
|
|
return this;
|
|
}
|
|
|
|
// does not use listeners(), so no side effect of creating _events[type]
|
|
if (type && this._events && this._events[type]) this._events[type] = null;
|
|
return this;
|
|
};
|
|
|
|
EventEmitter.prototype.listeners = function(type) {
|
|
if (!this._events) this._events = {};
|
|
if (!this._events[type]) this._events[type] = [];
|
|
if (!isArray(this._events[type])) {
|
|
this._events[type] = [this._events[type]];
|
|
}
|
|
return this._events[type];
|
|
};
|
|
|
|
EventEmitter.listenerCount = function(emitter, type) {
|
|
var ret;
|
|
if (!emitter._events || !emitter._events[type])
|
|
ret = 0;
|
|
else if (typeof emitter._events[type] === 'function')
|
|
ret = 1;
|
|
else
|
|
ret = emitter._events[type].length;
|
|
return ret;
|
|
};
|
|
|
|
},
|
|
{"__browserify_process":11}],
|
|
11:[function(req,module,exports){
|
|
// shim for using process in browser
|
|
|
|
var process = module.exports = {};
|
|
|
|
process.nextTick = (function () {
|
|
var canSetImmediate = typeof window !== 'undefined'
|
|
&& window.setImmediate;
|
|
var canPost = typeof window !== 'undefined'
|
|
&& window.postMessage && window.addEventListener
|
|
;
|
|
|
|
if (canSetImmediate) {
|
|
return function (f) { return window.setImmediate(f) };
|
|
}
|
|
|
|
if (canPost) {
|
|
var queue = [];
|
|
window.addEventListener('message', function (ev) {
|
|
if (ev.source === window && ev.data === 'process-tick') {
|
|
ev.stopPropagation();
|
|
if (queue.length > 0) {
|
|
var fn = queue.shift();
|
|
fn();
|
|
}
|
|
}
|
|
}, true);
|
|
|
|
return function nextTick(fn) {
|
|
queue.push(fn);
|
|
window.postMessage('process-tick', '*');
|
|
};
|
|
}
|
|
|
|
return function nextTick(fn) {
|
|
setTimeout(fn, 0);
|
|
};
|
|
})();
|
|
|
|
process.title = 'browser';
|
|
process.browser = true;
|
|
process.env = {};
|
|
process.argv = [];
|
|
|
|
process.binding = function (name) {
|
|
throw new Error('process.binding is not supported');
|
|
}
|
|
|
|
// TODO(shtylman)
|
|
process.cwd = function () { return '/' };
|
|
process.chdir = function (dir) {
|
|
throw new Error('process.chdir is not supported');
|
|
};
|
|
|
|
},
|
|
{}],
|
|
"jshint":[function(req,module,exports){
|
|
module.exports=req('n4bKNg');
|
|
},
|
|
{}]},{},["n4bKNg"])
|
|
;
|
|
|
|
function req() {return require.apply(this, arguments)}
|
|
module.exports = req("jshint");
|
|
|
|
}); |