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path: root/include/clang/Frontend/PCHReader.h
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2010-08-17Reintroduce the serialization library, with fixed dependencies.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Revert Sebastian's build-breaking patch.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111265 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-17Create a new Serialization module that contains all the PCH code, and will ↵Sebastian Redl
contain all the module code in the future. Update the Makefiles, CMake projects and the Xcode project. I hope I did everything right for Xcode. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Change Sema's UnusedStaticFuncs to UnusedFileScopedDecls to allow also ↵Argyrios Kyrtzidis
keeping track of unused file scoped variables. This is only preparation, currently only static function definitions are tracked, as before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111025 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Instead of modifying the ObjC AST to not modify existing declarations, teach ↵Sebastian Redl
chained PCH to overwrite declarations from earlier PCH files in dependent ones. Tell Sema to note when it changes AST nodes so that they have to be reserialized. Finally, the ObjCProtocolDecls created in forward decls, like the ObjCInterfaceDecls in @class forward decls, are not lexically part of the decl context; only the definition is. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110989 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-09Refactor into functions PCH reading/writing the CXXBaseOrMemberInitializers. ↵Argyrios Kyrtzidis
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110566 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Store the pending implicit instantiations in the PCH and perform them at the ↵Argyrios Kyrtzidis
end of the translation unit that included the PCH, as God intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110324 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Support #pragma weak for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110323 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Bring stats for the method pool back.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110247 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Implement per-file reading of the selector table. This disables statistics ↵Sebastian Redl
about method pool hits for the moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110245 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04When chaining, only write interesting selectors to the PCH.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110229 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Incomplete promotion of selector info to per-file data.Sebastian Redl
Store all selectors in the selector hash table instead of only those from the method pool. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110158 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Apart from storing/retrieving the previous redeclaration from PCH, also ↵Argyrios Kyrtzidis
store/retrieve the most recent redeclaration. That way we are sure that the full redeclarations chain is loaded. When using chained PCHs, first declarations point to the most recent redeclarations in the same PCH. To address this use a REDECLS_UPDATE_LATEST record block to keep track of which first declarations need to point to a most recent redeclaration in another PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110125 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Query only the latest version of an identifier in the PCH chain. Make sure ↵Sebastian Redl
this version holds the entire declaration chain. This is a much saner solution than trying to merge the info from all elements, and makes redeclarations work properly. Expand the declarations test case to cover more compliated cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110052 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-02Read/write in PCH Sema's StdNamespace and StdBadAlloc and use a LazyDeclPtr ↵Argyrios Kyrtzidis
for them that will deserialize them when needed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Refactor the way PCHReader tracks whether we are in recursive loading.Argyrios Kyrtzidis
-Replace CurrentlyLoadingTypeOrDecl with a counting scheme (NumCurrentElementsDeserializing) -Provide outside access to the mechanism by adding methods StartedDeserializing/FinishedDeserializing to ExternalASTSource. These are preparation for the next commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109856 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-30Make macro weirdness in chained PCH work. This required changing the way ↵Sebastian Redl
PCHReader and PCHWriter are initialized to correctly pick up all initializer. On the upside, this means that there is far less repetition in the dependent PCH now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27Implement -fno-validate-pch at the -cc1 level, which suppresses mostDouglas Gregor
of the usual consistency checks used to determine when a precompiled header is incompatible with the translation unit it's being loaded into. Enable this option when loading a precompiled preamble, because the preamble loader will be performing all of this checking itself. Enable the preamble-based test now that it's working. This option is also useful for debugging Clang's PCH (<rdar://problem/7532213>). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-27- Fix recording of offsets of types in dependent PCHs.Sebastian Redl
- Stop reading in (and thus deserializing) every declaration in the TU when creating a dependent PCH. - Switch the storage of a decl context's lexical declarations to a blob containing the IDs instead of a record. This is the only sane way of supporting update records later on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109474 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Add source location information to C++ base specifiers.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23Make declarations in the dependent PCH visible, for C at least.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109292 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-23PCH read/write for selector reference pool.Fariborz Jahanian
Finishes off radar 6507158. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109256 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Thread bitstream cursors all the way through the AST reading stuff. This ↵Sebastian Redl
way, reading a trivial 2-element chained file actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109191 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Allow loading declcontext information from any file in the chain. Properly ↵Sebastian Redl
write source locations to dependent files. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109119 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Allow loading macros from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Promote some macro-related stuff to per-file data. Fix a cache-inefficient ↵Sebastian Redl
nested loop by inverting the nesting. Store the size of each file in the chain; will need this later for statement offsets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109030 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Apparently not every system thinks that references in pairs are as cool as I ↵Sebastian Redl
think. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108959 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Allow loading declarations from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108956 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Allow loading types from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108954 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20Allow loading source locations from any file in the chain. WIPSebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-20More work on getting PCHReader to handle multiple files. Promote SLocOffsets ↵Sebastian Redl
to per-file data. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108930 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Remove PCHReader::getStream(), it was unused. Inline ↵Sebastian Redl
PCHReader::getDelsCursor() into its sole caller and remove it. This reduces the attack surface of multiple PCH files towards code outside the PCH implementation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108763 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Promote IdentifierOffsets to per-file data.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108762 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Promote DeclOffsets and TypeOffsets to per-file data.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-19Promote the identifier table to per-file data. Also, if a CHAINED_METADATA ↵Sebastian Redl
record exists, it has to be the first thing in the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108748 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-17Teach the PCH reader to load the dependency when encountering a chain ↵Sebastian Redl
metadata record. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108578 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-16Separate out the initial loading of a PCH so that loading chained PCHs can ↵Sebastian Redl
reuse it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108551 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-16First baby steps towards PCHReader being able to keep track of multiple PCH ↵Sebastian Redl
files. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108537 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14Add a callback interface that allows interested parties to get notified ↵Sebastian Redl
whenever PCHReader deserializes a type or decl (and possibly other things in the future). Have PCHWriter implement these callbacks as noops and register to receive them if we're chaining PCHs. This will allow PCHWriter to track the IDs of these things, which it needs to write the dependent files. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-14Make PCHReader cope with PCH files containing more than one predefines buffer.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108340 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-13Add two small utility functions to PCHReader that the writer will use. WIP.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108267 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-12Fix a documentation paste-o and eliminate a useless function parameter, both ↵Douglas Gregor
found by Sebastian git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108214 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-09When given the -chained-pch option and a previous PCH file, have the ↵Sebastian Redl
PCHWriter emit a CHAINED_METADATA record instead of METADATA, and write a link to the previous file there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@108014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Introduce PCHReader::GetTranslationUnitDecl() and use it instead of ↵Argyrios Kyrtzidis
ReadDeclRecord when initializing. ReadDeclRecord would hit assertion if the translation unit declaration was already loaded during IdentifierInfo initialization. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Delay passing InterestingDecls to the Consumer until when we know we are not ↵Argyrios Kyrtzidis
in recursive loading and the declarations are fully initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107783 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Add to PCH missing Sema information about VTable uses and dynamic classes.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107664 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-02Read/write CastExpr's CXXBaseSpecifierArray for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-02Fully read/write CXXRecordDecl for PCH.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-29When we know that we are at sub-statement reading (which is all of ↵Argyrios Kyrtzidis
PCHStmtReader) use the "faster" ReadSubStmt. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107218 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-28Modify the way sub-statements are stored and retrieved from PCH.Argyrios Kyrtzidis
Before this commit, sub-stmts were stored as encountered and when they were placed in the Stmts stack we had to know what index each stmt operand has. This complicated supporting variable sub-stmts and sub-stmts that were contained in TypeSourceInfos, e.g. x = sizeof(int[1]); would crash PCH. Now, sub-stmts are stored in reverse order, from last to first, so that when reading them, in order to get the next sub-stmt we just need to pop the last stmt from the stack. This greatly simplified the way stmts are written and read (just use PCHWriter::AddStmt and PCHReader::ReadStmt accordingly) and allowed variable stmt operands and TypeSourceInfo exprs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107087 91177308-0d34-0410-b5e6-96231b3b80d8
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