115 lines
9.1 KiB
JavaScript
115 lines
9.1 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
|
|
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }(); /**
|
|
* Copyright (c) 2017-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
exports.default = function (realm) {
|
|
var func = new _index.NativeFunctionValue(realm, "RegExp", "RegExp", 2, function (context, _ref, argCount, NewTarget) {
|
|
var _ref2 = _slicedToArray(_ref, 2),
|
|
pattern = _ref2[0],
|
|
flags = _ref2[1];
|
|
|
|
// 1. Let patternIsRegExp be ? IsRegExp(pattern).
|
|
var patternIsRegExp = (0, _is.IsRegExp)(realm, pattern);
|
|
var newTarget = void 0;
|
|
// 2. If NewTarget is not undefined, let newTarget be NewTarget.
|
|
if (NewTarget) {
|
|
newTarget = NewTarget;
|
|
} else {
|
|
// 3. Else,
|
|
// a. Let newTarget be the active function object.
|
|
newTarget = func;
|
|
|
|
// b. If patternIsRegExp is true and flags is undefined, then
|
|
if (patternIsRegExp && flags instanceof _index.UndefinedValue) {
|
|
(0, _invariant2.default)(pattern instanceof _index.ObjectValue);
|
|
// i. Let patternConstructor be ? Get(pattern, "constructor").
|
|
var patternConstructor = (0, _get.Get)(realm, pattern, "constructor");
|
|
|
|
// ii. If SameValue(newTarget, patternConstructor) is true, return pattern.
|
|
if ((0, _abstract.SameValuePartial)(realm, newTarget, patternConstructor)) {
|
|
return pattern;
|
|
}
|
|
}
|
|
}
|
|
|
|
var P = void 0,
|
|
F = void 0;
|
|
// 4. If Type(pattern) is Object and pattern has a [[RegExpMatcher]] internal slot, then
|
|
if (pattern instanceof _index.ObjectValue && pattern.$RegExpMatcher) {
|
|
// a. Let P be the value of pattern's [[OriginalSource]] internal slot.
|
|
(0, _invariant2.default)(typeof pattern.$OriginalSource === "string");
|
|
P = new _index.StringValue(realm, pattern.$OriginalSource);
|
|
|
|
// b. If flags is undefined, let F be the value of pattern's [[OriginalFlags]] internal slot.
|
|
if (flags instanceof _index.UndefinedValue) {
|
|
(0, _invariant2.default)(typeof pattern.$OriginalFlags === "string");
|
|
F = new _index.StringValue(realm, pattern.$OriginalFlags);
|
|
} else {
|
|
// c. Else, let F be flags.
|
|
F = flags.throwIfNotConcrete();
|
|
}
|
|
} else if (patternIsRegExp) {
|
|
// 5. Else if patternIsRegExp is true, then
|
|
(0, _invariant2.default)(pattern instanceof _index.ObjectValue);
|
|
// a. Let P be ? Get(pattern, "source").
|
|
P = (0, _get.Get)(realm, pattern, "source");
|
|
|
|
// b. If flags is undefined, then
|
|
if (flags instanceof _index.UndefinedValue) {
|
|
// i. Let F be ? Get(pattern, "flags").
|
|
F = (0, _get.Get)(realm, pattern, "flags");
|
|
} else {
|
|
// c. Else, let F be flags.
|
|
F = flags.throwIfNotConcrete();
|
|
}
|
|
} else {
|
|
// 6. Else,
|
|
// a. Let P be pattern.
|
|
P = pattern.throwIfNotConcrete();
|
|
// b. Let F be flags.
|
|
F = flags.throwIfNotConcrete();
|
|
}
|
|
|
|
// 7. Let O be ? RegExpAlloc(newTarget).
|
|
var O = (0, _regexp.RegExpAlloc)(realm, newTarget);
|
|
|
|
// 8. Return ? RegExpInitialize(O, P, F).
|
|
return (0, _regexp.RegExpInitialize)(realm, O, P, F);
|
|
});
|
|
|
|
// ECMA262 21.2.4.2
|
|
func.defineNativeGetter(realm.intrinsics.SymbolSpecies, function (context) {
|
|
// 1. Return the this value
|
|
return context;
|
|
});
|
|
|
|
return func;
|
|
};
|
|
|
|
var _index = require("../../values/index.js");
|
|
|
|
var _is = require("../../methods/is.js");
|
|
|
|
var _get = require("../../methods/get.js");
|
|
|
|
var _abstract = require("../../methods/abstract.js");
|
|
|
|
var _regexp = require("../../methods/regexp.js");
|
|
|
|
var _invariant = require("../../invariant.js");
|
|
|
|
var _invariant2 = _interopRequireDefault(_invariant);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
//# sourceMappingURL=RegExp.js.map
|