1 //===- MultiOnDiskHashTable.h - Merged set of hash tables -------*- C++ -*-===//
12 //  Multiple hash tables from different files are implicitly merged to improve
39 /// A collection of on-disk hash tables, merged when relevant for performance.
42   /// A handle to a file, used when overriding tables.
81   /// The current set of on-disk and merged tables.
86   TableVector Tables;  variable
88   /// Files corresponding to overridden tables that we've not yet
104   /// The current set of on-disk tables.
105   table_range tables() {  in tables()  function
106     auto Begin = Tables.begin(), End = Tables.end();  in tables()
115     return Tables.empty() ? nullptr : Table::getFromOpaqueValue(*Tables.begin())  in getMergedTable()
119   /// Delete all our current on-disk tables.
121     for (auto *T : tables())  in clear()
125     Tables.clear();  in clear()
139     Tables.erase(std::remove_if(tables().begin().getCurrent(), Tables.end(),  in removeOverriddenTables()
141                  Tables.end());  in removeOverriddenTables()
150     // Read in all the tables and merge them together.  in condense()
151     // FIXME: Be smarter about which tables we merge.  in condense()
152     for (auto *ODT : tables()) {  in condense()
171     Tables.clear();  in condense()
172     Tables.push_back(Table(Merged).getOpaqueValue());  in condense()
179       : Tables(std::move(O.Tables)),  in MultiOnDiskHashTable()
181     O.Tables.clear();  in MultiOnDiskHashTable()
188     Tables = std::move(O.Tables);
189     O.Tables.clear();
224     Tables.push_back(NewTable.getOpaqueValue());
234     if (Tables.size() > static_cast<unsigned>(Info::MaxTables))  in find()
248     for (auto *ODT : tables()) {  in find()
273     for (auto *ODT : tables()) {  in findAll()