230 /// After failing to build a precompiled preamble (due to
231 /// errors in the source that occurs in the preamble), the number of
233 /// preamble.
1155     assert(Preamble &&  in Parse()
1156            "No preamble was built, but OverrideMainBuffer is not null");  in Parse()
1157     Preamble->AddImplicitPreamble(*CCInvocation, VFS, OverrideMainBuffer.get());  in Parse()
1168     // Remove the overridden buffer we used for the preamble.  in Parse()
1227   // If the main file has been overridden due to the use of a preamble,  in Parse()
1228   // make that override happen and introduce the preamble.  in Parse()
1318 /// Attempt to build or re-use a precompiled preamble when (re-)parsing
1321 /// This routine will compute the preamble of the main source file. If a
1322 /// non-trivial preamble is found, it will precompile that preamble into a
1323 /// precompiled header so that the precompiled preamble can be used to reduce
1324 /// reparsing time. If a precompiled preamble has already been constructed,
1326 /// rebuilding the precompiled preamble.
1329 /// allowed to rebuild the precompiled preamble if it is found to be
1333 /// can occur within the preamble.
1335 /// \returns If the precompiled preamble can be used, returns a newly-allocated
1357   if (Preamble) {  in getMainBufferWithPrecompiledPreamble()
1358     if (Preamble->CanReuse(PreambleInvocationIn, *MainFileBuffer, Bounds,  in getMainBufferWithPrecompiledPreamble()
1360       // Okay! We can re-use the precompiled preamble.  in getMainBufferWithPrecompiledPreamble()
1363       // after parsing the preamble.  in getMainBufferWithPrecompiledPreamble()
1372       Preamble.reset();  in getMainBufferWithPrecompiledPreamble()
1380   // If the preamble rebuild counter > 1, it's because we previously  in getMainBufferWithPrecompiledPreamble()
1381   // failed to build a preamble and we're not yet ready to try  in getMainBufferWithPrecompiledPreamble()
1388   assert(!Preamble && "No Preamble should be stored at that point");  in getMainBufferWithPrecompiledPreamble()
1389   // If we aren't allowed to rebuild the precompiled preamble, just  in getMainBufferWithPrecompiledPreamble()
1405     // We did not previously compute a preamble, or it can't be reused anyway.  in getMainBufferWithPrecompiledPreamble()
1407     PreambleTimer.setOutput("Precompiling preamble");  in getMainBufferWithPrecompiledPreamble()
1411     if (SkipFunctionBodies == SkipFunctionBodiesScope::Preamble)  in getMainBufferWithPrecompiledPreamble()
1423       Preamble = std::move(*NewPreamble);  in getMainBufferWithPrecompiledPreamble()
1443   assert(Preamble && "Preamble wasn't built");  in getMainBufferWithPrecompiledPreamble()
1456   // entities the last time we rebuilt the preamble, clear out the completion  in getMainBufferWithPrecompiledPreamble()
1467   assert(Preamble && "Should only be called when preamble was built");  in RealizeTopLevelDeclsFromPreamble()
1471   // The module file of the preamble.  in RealizeTopLevelDeclsFromPreamble()
1891   // If we have a preamble file lying around, or if we might try to  in Reparse()
1892   // build a precompiled preamble, do so now.  in Reparse()
1894   if (Preamble || PreambleRebuildCountdown > 0)  in Reparse()
2291   // If we have a precompiled preamble, try to use it. We only allow  in CodeComplete()
2292   // the use of the precompiled preamble if we're if the completion  in CodeComplete()
2294   // preamble.  in CodeComplete()
2296   if (Preamble && Line > 1 && hasSameUniqueID(File, OriginalSourceFile)) {  in CodeComplete()
2301   // If the main file has been overridden due to the use of a preamble,  in CodeComplete()
2302   // make that override happen and introduce the preamble.  in CodeComplete()
2304     assert(Preamble &&  in CodeComplete()
2305            "No preamble was built, but OverrideMainBuffer is not null");  in CodeComplete()
2309     Preamble->AddImplicitPreamble(Clang->getInvocation(), VFS,  in CodeComplete()
2535 /// If \arg Loc is a loaded location from the preamble, returns
2543   if (Loc.isInvalid() || !Preamble || PreambleID.isInvalid())  in mapLocationFromPreamble()
2547   if (SourceMgr->isInFileID(Loc, PreambleID, &Offs) && Offs < Preamble->getBounds().Size) {  in mapLocationFromPreamble()
2557 /// preamble chunk, returns the corresponding loaded location from the
2558 /// preamble, otherwise it returns \arg Loc.
2564   if (Loc.isInvalid() || !Preamble || PreambleID.isInvalid())  in mapLocationToPreamble()
2569       Offs < Preamble->getBounds().Size) {  in mapLocationToPreamble()