bool
JavaScriptShared::fromJSIDVariant(JSContext* cx, const JSIDVariant& from, MutableHandleId to)
{
switch (from.type()) {
case JSIDVariant::TSymbolVariant: {
Symbol* sym = fromSymbolVariant(cx, from.get_SymbolVariant());
if (!sym)
return false;
to.set(SYMBOL_TO_JSID(sym));
return true;
}
case JSIDVariant::TnsString:
return convertGeckoStringToId(cx, from.get_nsString(), to);
case JSIDVariant::Tint32_t:
to.set(INT_TO_JSID(from.get_int32_t()));
return true;
default:
return false;
}
}
bool
js::IndexToIdSlow(ExclusiveContext *cx, uint32_t index, MutableHandleId idp)
{
MOZ_ASSERT(index > JSID_INT_MAX);
char16_t buf[UINT32_CHAR_BUFFER_LENGTH];
RangedPtr<char16_t> end(ArrayEnd(buf), buf, ArrayEnd(buf));
RangedPtr<char16_t> start = BackfillIndexInCharBuffer(index, end);
JSAtom *atom = AtomizeChars(cx, start.get(), end - start);
if (!atom)
return false;
idp.set(JSID_FROM_BITS((size_t)atom));
return true;
}
