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/* 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);
// Step 6.c.
var iterFn = iterable[std_iterator];
if (!IsCallable(iterFn))
ThrowTypeError(JSMSG_NOT_ITERABLE, DecompileArg(0, iterable));
var iter = callContentFunction(iterFn, iterable);
if (!IsObject(iter))
ThrowTypeError(JSMSG_NOT_NONNULL_OBJECT, typeof iter);
// Step 7 (not applicable).
// Step 8.
while (true) {
// Step 8.a.
var next = callContentFunction(iter.next, iter);
if (!IsObject(next))
ThrowTypeError(JSMSG_NOT_NONNULL_OBJECT, typeof next);
// Step 8.b.
if (next.done)
return;
// Step 8.c.
var nextValue = next.value;
// Steps 8.d-e.
try {
callContentFunction(adder, set, nextValue);
} catch (e) {
IteratorCloseThrow(iter);
throw e;
}
}
}
/* 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) || !IsSetIterator(O))
return callFunction(CallSetIteratorMethodIfWrapped, O, "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(this, 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;
}
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