ExnTreeInfo build_exn_tree(const FuncEmitter& fe,
php::Func& func,
FindBlock findBlock) {
ExnTreeInfo ret;
auto nextExnNode = uint32_t{0};
for (auto& eh : fe.ehtab()) {
auto node = folly::make_unique<php::ExnNode>();
node->id = nextExnNode++;
node->parent = nullptr;
switch (eh.m_type) {
case EHEnt::Type::Fault:
{
auto const fault = findBlock(eh.m_fault);
ret.funcletNodes[fault].push_back(borrow(node));
ret.faultFuncletStarts.insert(eh.m_fault);
node->info = php::FaultRegion { fault, eh.m_iterId, eh.m_itRef };
}
break;
case EHEnt::Type::Catch:
{
auto treg = php::TryRegion {};
for (auto& centry : eh.m_catches) {
auto const catchBlk = findBlock(centry.second);
treg.catches.emplace_back(
fe.ue().lookupLitstr(centry.first),
catchBlk
);
}
node->info = treg;
}
break;
}
ret.ehMap[&eh] = borrow(node);
if (eh.m_parentIndex != -1) {
auto it = ret.ehMap.find(&fe.ehtab()[eh.m_parentIndex]);
assert(it != end(ret.ehMap));
node->parent = it->second;
it->second->children.emplace_back(std::move(node));
} else {
func.exnNodes.emplace_back(std::move(node));
}
}
ret.faultFuncletStarts.insert(fe.past());
return ret;
}
void FuncRepoProxy::GetFuncsStmt
::get(UnitEmitter& ue) {
RepoTxn txn(m_repo);
if (!prepared()) {
std::stringstream ssSelect;
ssSelect << "SELECT funcSn,preClassId,name,top,extraData "
"FROM "
<< m_repo.table(m_repoId, "Func")
<< " WHERE unitSn == @unitSn ORDER BY funcSn ASC;";
txn.prepare(*this, ssSelect.str());
}
RepoTxnQuery query(txn, *this);
query.bindInt64("@unitSn", ue.sn());
do {
query.step();
if (query.row()) {
int funcSn; /**/ query.getInt(0, funcSn);
Id preClassId; /**/ query.getId(1, preClassId);
StringData* name; /**/ query.getStaticString(2, name);
bool top; /**/ query.getBool(3, top);
BlobDecoder extraBlob = /**/ query.getBlob(4);
FuncEmitter* fe;
if (preClassId < 0) {
fe = ue.newFuncEmitter(name);
} else {
PreClassEmitter* pce = ue.pce(preClassId);
fe = ue.newMethodEmitter(name, pce);
bool added UNUSED = pce->addMethod(fe);
assert(added);
}
assert(fe->sn() == funcSn);
fe->setTop(top);
fe->serdeMetaData(extraBlob);
if (!SystemLib::s_inited && !fe->isPseudoMain()) {
assert(fe->attrs() & AttrBuiltin);
if (preClassId < 0) {
assert(fe->attrs() & AttrPersistent);
assert(fe->attrs() & AttrUnique);
assert(fe->attrs() & AttrSkipFrame);
}
}
fe->setEhTabIsSorted();
fe->finish(fe->past(), true);
ue.recordFunction(fe);
}
} while (!query.done());
txn.commit();
}
