Cell lookupCnsHelper(const TypedValue* tv,
StringData* nm,
bool error) {
assert(tv->m_type == KindOfUninit);
// Deferred constants such as SID
if (UNLIKELY(tv->m_data.pref != nullptr)) {
ClassInfo::ConstantInfo* ci =
(ClassInfo::ConstantInfo*)(void*)tv->m_data.pref;
Cell *cns = const_cast<Variant&>(ci->getDeferredValue()).asTypedValue();
if (LIKELY(cns->m_type != KindOfUninit)) {
Cell c1;
cellDup(*cns, c1);
return c1;
}
}
Cell *cns = nullptr;
if (UNLIKELY(TargetCache::s_constants().get() != nullptr)) {
cns = TargetCache::s_constants()->nvGet(nm);
}
if (!cns) {
cns = Unit::loadCns(const_cast<StringData*>(nm));
}
if (LIKELY(cns != nullptr)) {
Cell c1;
c1.m_type = cns->m_type;
c1.m_data = cns->m_data;
return c1;
}
// Undefined constants
if (error) {
raise_error("Undefined constant '%s'", nm->data());
} else {
raise_notice(Strings::UNDEFINED_CONSTANT, nm->data(), nm->data());
Cell c1;
c1.m_data.pstr = const_cast<StringData*>(nm);
c1.m_type = KindOfStaticString;
return c1;
}
not_reached();
}
Array lookupDefinedConstants(bool categorize /*= false */) {
assert(s_stringDataMap);
Array usr(RDS::s_constants());
Array sys;
for (StringDataMap::const_iterator it = s_stringDataMap->begin();
it != s_stringDataMap->end(); ++it) {
if (it->second.bound()) {
Array *tbl = (categorize &&
RDS::isPersistentHandle(it->second.handle()))
? &sys : &usr;
auto& tv = *it->second;
if (tv.m_type != KindOfUninit) {
StrNR key(const_cast<StringData*>(to_sdata(it->first)));
tbl->set(key, tvAsVariant(&tv), true);
} else if (tv.m_data.pref) {
StrNR key(const_cast<StringData*>(to_sdata(it->first)));
ClassInfo::ConstantInfo* ci =
(ClassInfo::ConstantInfo*)(void*)tv.m_data.pref;
auto cns = ci->getDeferredValue();
if (cns.isInitialized()) {
tbl->set(key, cns, true);
}
}
}
}
if (categorize) {
Array ret;
ret.set(s_user, usr);
ret.set(s_Core, sys);
return ret;
} else {
return usr;
}
}
Array StringData::GetConstants() {
// Return an array of all defined constants.
assert(s_stringDataMap);
Array a(Transl::TargetCache::s_constants);
for (StringDataMap::const_iterator it = s_stringDataMap->begin();
it != s_stringDataMap->end(); ++it) {
if (it->second) {
TypedValue& tv =
Transl::TargetCache::handleToRef<TypedValue>(it->second);
if (tv.m_type != KindOfUninit) {
StrNR key(const_cast<StringData*>(it->first));
a.set(key, tvAsVariant(&tv), true);
} else if (tv.m_data.pref) {
StrNR key(const_cast<StringData*>(it->first));
ClassInfo::ConstantInfo* ci =
(ClassInfo::ConstantInfo*)(void*)tv.m_data.pref;
a.set(key, ci->getDeferredValue(), true);
}
}
}
return a;
}
