/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ // ES2017 draft rev 0e10c9f29fca1385980c08a7d5e7bb3eb775e2e4 // 23.2.1.1 Set, steps 6-8 function SetConstructorInit(iterable) { var set = this; // Step 6.a. var adder = set.add; // Step 6.b. if (!IsCallable(adder)) ThrowTypeError(JSMSG_NOT_FUNCTION, typeof adder); // Steps 6.c-8. for (var nextValue of allowContentIter(iterable)) callContentFunction(adder, set, nextValue); } /* ES6 20121122 draft 15.16.4.6. */ function SetForEach(callbackfn, thisArg = undefined) { /* Step 1-2. */ var S = this; if (!IsObject(S)) ThrowTypeError(JSMSG_INCOMPATIBLE_PROTO, "Set", "forEach", typeof S); /* Step 3-4. */ try { callFunction(std_Set_has, S); } catch (e) { // has will throw on non-Set objects, throw our own error in that case. ThrowTypeError(JSMSG_INCOMPATIBLE_PROTO, "Set", "forEach", typeof S); } /* Step 5-6. */ if (!IsCallable(callbackfn)) ThrowTypeError(JSMSG_NOT_FUNCTION, DecompileArg(0, callbackfn)); /* Step 7-8. */ var values = callFunction(std_Set_iterator, S); while (true) { var result = callFunction(SetIteratorNext, values); if (result.done) break; var value = result.value; callContentFunction(callbackfn, thisArg, value, value, S); } } // ES6 final draft 23.2.2.2. function SetSpecies() { // Step 1. return this; } _SetCanonicalName(SetSpecies, "get [Symbol.species]"); var setIteratorTemp = { setIterationResult : null }; function SetIteratorNext() { // Step 1. var O = this; // Steps 2-3. if (!IsObject(O) || (O = GuardToSetIterator(O)) === null) return callFunction(CallSetIteratorMethodIfWrapped, this, "SetIteratorNext"); // Steps 4-5 (implemented in _GetNextSetEntryForIterator). // Steps 8-9 (omitted). var setIterationResult = setIteratorTemp.setIterationResult; if (!setIterationResult) { setIterationResult = setIteratorTemp.setIterationResult = _CreateSetIterationResult(); } var retVal = {value: undefined, done: true}; // Steps 10.a, 11. var done = _GetNextSetEntryForIterator(O, setIterationResult); if (!done) { // Steps 10.b-c (omitted). // Step 6. var itemKind = UnsafeGetInt32FromReservedSlot(O, ITERATOR_SLOT_ITEM_KIND); var result; if (itemKind === ITEM_KIND_VALUE) { // Step 10.d.i. result = setIterationResult[0]; } else { // Step 10.d.ii. assert(itemKind === ITEM_KIND_KEY_AND_VALUE, itemKind); result = [setIterationResult[0], setIterationResult[0]]; } setIterationResult[0] = null; retVal.value = result; retVal.done = false; } // Steps 7, 10.d, 12. return retVal; }