RegExpMatchesArray::RegExpMatchesArray(ExecState* exec, RegExpConstructorPrivate* data)
: JSArray(exec->globalData(), exec->lexicalGlobalObject()->regExpMatchesArrayStructure(), data->lastNumSubPatterns + 1, CreateInitialized)
{
RegExpConstructorPrivate* d = new RegExpConstructorPrivate;
d->input = data->lastInput;
d->lastInput = data->lastInput;
d->lastNumSubPatterns = data->lastNumSubPatterns;
unsigned offsetVectorSize = (data->lastNumSubPatterns + 1) * 2; // only copying the result part of the vector
d->lastOvector().resize(offsetVectorSize);
memcpy(d->lastOvector().data(), data->lastOvector().data(), offsetVectorSize * sizeof(int));
// d->multiline is not needed, and remains uninitialized
setSubclassData(d);
}
void RegExpMatchesArray::fillArrayInstance(ExecState* exec)
{
RegExpConstructorPrivate* d = static_cast<RegExpConstructorPrivate*>(lazyCreationData());
ASSERT(d);
unsigned lastNumSubpatterns = d->lastNumSubPatterns;
for (unsigned i = 0; i <= lastNumSubpatterns; ++i) {
int start = d->lastOvector()[2 * i];
if (start >= 0)
JSArray::put(exec, i, jsSubstring(exec, d->lastInput, start, d->lastOvector()[2 * i + 1] - start));
}
PutPropertySlot slot;
JSArray::put(exec, exec->propertyNames().index, jsNumber(exec, d->lastOvector()[0]), slot);
JSArray::put(exec, exec->propertyNames().input, jsString(exec, d->input), slot);
delete d;
setLazyCreationData(0);
}