void PreClassRepoProxy::GetPreClassesStmt ::get(UnitEmitter& ue) { RepoTxn txn(m_repo); if (!prepared()) { std::stringstream ssSelect; ssSelect << "SELECT preClassId,name,hoistable,extraData FROM " << m_repo.table(m_repoId, "PreClass") << " WHERE unitSn == @unitSn ORDER BY preClassId ASC;"; txn.prepare(*this, ssSelect.str()); } RepoTxnQuery query(txn, *this); query.bindInt64("@unitSn", ue.sn()); do { query.step(); if (query.row()) { Id preClassId; /**/ query.getId(0, preClassId); StringData* name; /**/ query.getStaticString(1, name); int hoistable; /**/ query.getInt(2, hoistable); BlobDecoder extraBlob = /**/ query.getBlob(3); PreClassEmitter* pce = ue.newPreClassEmitter( name, (PreClass::Hoistable)hoistable); pce->serdeMetaData(extraBlob); if (!SystemLib::s_inited) { assert(pce->attrs() & AttrPersistent); assert(pce->attrs() & AttrUnique); } assert(pce->id() == preClassId); } } while (!query.done()); txn.commit(); }
PreClassEmitter* UnitEmitter::newPreClassEmitter( const StringData* name, PreClass::Hoistable hoistable ) { if (hoistable && m_hoistablePreClassSet.count(name)) { hoistable = PreClass::Mergeable; } PreClassEmitter* pce = new PreClassEmitter(*this, m_pceVec.size(), name, hoistable); if (hoistable >= PreClass::MaybeHoistable) { m_hoistablePreClassSet.insert(name); if (hoistable == PreClass::ClosureHoistable) { // Closures should appear at the VERY top of the file, so if any class in // the same file tries to use them, they are already defined. We had a // fun race where one thread was autoloading a file, finished parsing the // class, then another thread came along and saw the class was already // loaded and ran it before the first thread had time to parse the // closure class. m_hoistablePceIdList.push_front(pce->id()); } else { m_hoistablePceIdList.push_back(pce->id()); } } else { m_allClassesHoistable = false; } if (hoistable >= PreClass::Mergeable && hoistable < PreClass::AlwaysHoistable) { if (m_returnSeen) { m_allClassesHoistable = false; } else { pushMergeableClass(pce); } } m_pceVec.push_back(pce); return pce; }
std::unique_ptr<php::Class> parse_class(ParseUnitState& puState, borrowed_ptr<php::Unit> unit, const PreClassEmitter& pce) { FTRACE(2, " class: {}\n", pce.name()->data()); auto ret = folly::make_unique<php::Class>(); ret->name = pce.name(); ret->srcInfo = php::SrcInfo { pce.getLocation(), pce.docComment() }; ret->unit = unit; ret->closureContextCls = nullptr; ret->parentName = pce.parentName()->empty() ? nullptr : pce.parentName(); ret->attrs = static_cast<Attr>(pce.attrs() & ~AttrNoOverride); ret->hoistability = pce.hoistability(); ret->userAttributes = pce.userAttributes(); ret->id = pce.id(); for (auto& iface : pce.interfaces()) { ret->interfaceNames.push_back(iface); } copy(ret->usedTraitNames, pce.usedTraits()); copy(ret->traitPrecRules, pce.traitPrecRules()); copy(ret->traitAliasRules, pce.traitAliasRules()); copy(ret->requirements, pce.requirements()); ret->numDeclMethods = pce.numDeclMethods(); parse_methods(puState, borrow(ret), unit, pce); add_stringish(borrow(ret)); auto& propMap = pce.propMap(); for (size_t idx = 0; idx < propMap.size(); ++idx) { auto& prop = propMap[idx]; ret->properties.push_back( php::Prop { prop.name(), prop.attrs(), prop.docComment(), prop.typeConstraint(), prop.val() } ); } auto& constMap = pce.constMap(); for (size_t idx = 0; idx < constMap.size(); ++idx) { auto& cconst = constMap[idx]; ret->constants.push_back( php::Const { cconst.name(), borrow(ret), cconst.valOption(), cconst.phpCode(), cconst.typeConstraint(), cconst.isTypeconst() } ); } ret->enumBaseTy = pce.enumBaseTy(); return ret; }