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340 Commits

Author SHA1 Message Date
Argyrios Kyrtzidis
839bbacfb2 Apart from storing/retrieving the previous redeclaration from PCH, also 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.

llvm-svn: 110125
 2010-08-03 17:30:10 +00:00
Argyrios Kyrtzidis
edee67f335 Avoid writing a VTABLE_USES record in PCH if there are no entries. 
llvm-svn: 110122
 2010-08-03 17:29:52 +00:00
Sebastian Redl
78f5177d37 Query only the latest version of an identifier in the PCH chain. Make sure 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. 
llvm-svn: 110052
 2010-08-02 18:30:12 +00:00
Argyrios Kyrtzidis
2d68810caf Read/write in PCH Sema's StdNamespace and StdBadAlloc and use a LazyDeclPtr for them that will deserialize them when needed. 
llvm-svn: 110031
 2010-08-02 07:14:54 +00:00
Argyrios Kyrtzidis
b24355af87 Refactor the way PCHReader tracks whether we are in recursive loading. 
-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.

llvm-svn: 109856
 2010-07-30 10:03:16 +00:00
Sebastian Redl
07a89a83d4 Make macro weirdness in chained PCH work. This required changing the way 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. 
llvm-svn: 109823
 2010-07-30 00:29:29 +00:00
Sebastian Redl
04f5c31e98 Support extended vector types in chained PCH. 
llvm-svn: 109675
 2010-07-28 21:38:49 +00:00
Sebastian Redl
9891212476 Record macros in dependent PCHs. Also add various info tables to dependent PCHs; tests for this to follow. 
llvm-svn: 109554
 2010-07-27 23:01:28 +00:00
Sebastian Redl
4b1f490860 Update the list of lexical decls in the TU for chained PCHs. This makes -ast-print show the decls from the dependent PCH. 
llvm-svn: 109524
 2010-07-27 18:24:41 +00:00
Douglas Gregor
ce3a8293a0 Implement -fno-validate-pch at the -cc1 level, which suppresses most 
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>).

llvm-svn: 109475
 2010-07-27 00:27:13 +00:00
Sebastian Redl
66c5eef182 - Fix recording of offsets of types in dependent PCHs. 
- 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.

llvm-svn: 109474
 2010-07-27 00:17:23 +00:00
Nick Lewycky
19b9f958e1 Add source location information to C++ base specifiers. 
llvm-svn: 109396
 2010-07-26 16:56:01 +00:00
Sebastian Redl
ff4a2951d9 Make declarations in the dependent PCH visible, for C at least. 
llvm-svn: 109292
 2010-07-23 23:49:55 +00:00
Fariborz Jahanian
c51609a0b5 PCH read/write for selector reference pool. 
Finishes off radar 6507158.

llvm-svn: 109256
 2010-07-23 19:11:11 +00:00
Sebastian Redl
c67764eb4b Thread bitstream cursors all the way through the AST reading stuff. This way, reading a trivial 2-element chained file actually works. 
llvm-svn: 109191
 2010-07-22 22:43:28 +00:00
Sebastian Redl
5c415f3e32 Allow loading declcontext information from any file in the chain. Properly write source locations to dependent files. WIP 
llvm-svn: 109119
 2010-07-22 17:01:13 +00:00
Sebastian Redl
4e6c567653 Allow loading macros from any file in the chain. WIP 
llvm-svn: 109048
 2010-07-21 22:31:37 +00:00
Sebastian Redl
fa0614458a Promote some macro-related stuff to per-file data. Fix a cache-inefficient nested loop by inverting the nesting. Store the size of each file in the chain; will need this later for statement offsets. 
llvm-svn: 109030
 2010-07-21 20:07:32 +00:00
Sebastian Redl
c713b9665b Allow loading identifiers from any file in the chain. WIP 
llvm-svn: 108974
 2010-07-21 00:46:22 +00:00
Sebastian Redl
b2831dbff7 Apparently not every system thinks that references in pairs are as cool as I think. 
llvm-svn: 108959
 2010-07-20 22:55:31 +00:00
Sebastian Redl
3462779369 Allow loading declarations from any file in the chain. WIP 
llvm-svn: 108956
 2010-07-20 22:46:15 +00:00
Sebastian Redl
837a6cbe03 Allow loading types from any file in the chain. WIP 
llvm-svn: 108954
 2010-07-20 22:37:49 +00:00
Sebastian Redl
0675030cf9 Allow loading source locations from any file in the chain. WIP 
llvm-svn: 108942
 2010-07-20 21:50:20 +00:00
Sebastian Redl
b293a45d28 More work on getting PCHReader to handle multiple files. Promote SLocOffsets to per-file data. WIP 
llvm-svn: 108930
 2010-07-20 21:20:32 +00:00
Sebastian Redl
bd1b5befee Promote IdentifierOffsets to per-file data. 
llvm-svn: 108762
 2010-07-19 22:28:42 +00:00
Sebastian Redl
9e687994f3 Promote DeclOffsets and TypeOffsets to per-file data. 
llvm-svn: 108760
 2010-07-19 22:06:55 +00:00
Sebastian Redl
393f8b76c0 Promote the identifier table to per-file data. Also, if a CHAINED_METADATA record exists, it has to be the first thing in the PCH file. 
llvm-svn: 108748
 2010-07-19 20:52:06 +00:00
Sebastian Redl
c2e6dbfa19 Teach the PCH reader to load the dependency when encountering a chain metadata record. WIP 
llvm-svn: 108578
 2010-07-17 00:12:06 +00:00
Sebastian Redl
2abc0383ce Separate out the initial loading of a PCH so that loading chained PCHs can reuse it. 
llvm-svn: 108551
 2010-07-16 20:41:52 +00:00
Sebastian Redl
34522813e7 First baby steps towards PCHReader being able to keep track of multiple PCH files. WIP 
llvm-svn: 108537
 2010-07-16 17:50:48 +00:00
Sebastian Redl
1ea025bef9 Add a little more data to chained PCHs. WIP 
llvm-svn: 108528
 2010-07-16 16:36:56 +00:00
Daniel Dunbar
01ad0a78d0 Suppress !+Asserts warning. 
llvm-svn: 108480
 2010-07-16 00:00:11 +00:00
Sebastian Redl
85b2a6a430 Add a callback interface that allows interested parties to get notified 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 
llvm-svn: 108383
 2010-07-14 23:45:08 +00:00
Benjamin Kramer
8d5609b604 Pass StringRefs by value. 
llvm-svn: 108375
 2010-07-14 23:19:41 +00:00
Sebastian Redl
409183ff7c Increase the max PCH level for declarations to 7. Add a FromPCH flag to types. 
llvm-svn: 108354
 2010-07-14 20:26:45 +00:00
Sebastian Redl
75fbb3b5e5 Make PCHReader cope with PCH files containing more than one predefines buffer. 
llvm-svn: 108340
 2010-07-14 17:49:11 +00:00
Douglas Gregor
8ed0c0b99d Introduce -f{no-}spell-checking options to enable/disable 
spell-checking. By default, spell-checking is enabled for Clang
(obviously) but disabled in CIndex for performance reasons.

llvm-svn: 107992
 2010-07-09 17:35:33 +00:00
Argyrios Kyrtzidis
7e8996c7e6 Introduce PCHReader::GetTranslationUnitDecl() and use it instead of ReadDeclRecord when initializing. 
ReadDeclRecord would hit assertion if the translation unit declaration was already loaded during
IdentifierInfo initialization.

llvm-svn: 107885
 2010-07-08 17:13:02 +00:00
Argyrios Kyrtzidis
a4ed18191c For TagType and TemplateSpecializationType, isDependent calculation may be invalid because some decls that the 
calculation is using may still be initializing.
Thus, store the isDependent flag to PCH and restore directly to Type.

llvm-svn: 107873
 2010-07-08 13:09:53 +00:00
Argyrios Kyrtzidis
ad65c6926b Fix broken reading of NestedNameSpecifiers from PCH. 
llvm-svn: 107784
 2010-07-07 15:46:30 +00:00
Argyrios Kyrtzidis
903ccd6121 Delay passing InterestingDecls to the Consumer until when we know we are not in recursive loading and the 
declarations are fully initialized.

llvm-svn: 107783
 2010-07-07 15:46:26 +00:00
Argyrios Kyrtzidis
af2eac2869 Add to PCH missing Sema information about VTable uses and dynamic classes. 
llvm-svn: 107664
 2010-07-06 15:37:04 +00:00
Argyrios Kyrtzidis
b5fcdc21c2 Fix a regression of a previous commit of mine (rdar://8158953). 
Some of the invariant checks for creating Record/Enum types don't hold true during PCH reading.
Introduce more suitable ASTContext::getRecordType() and getEnumType().

llvm-svn: 107598
 2010-07-04 21:44:47 +00:00
Argyrios Kyrtzidis
e862cbc5f6 Don't try to install the __[u]int128_t identifier if it is already installed by PCHReader. 
Currently, adding it to visible decls of a PCH'ed translation unit has no effect because
adding visible decls before deserialization has no effect (the decls won't be visible).
This will be fixed in a future commit; then it will force deserialization of visible decls, so avoid pointlessly installing it.

llvm-svn: 107595
 2010-07-04 21:44:19 +00:00
Argyrios Kyrtzidis
3701fcd759 Read/write CastExpr's CXXBaseSpecifierArray for PCH. 
llvm-svn: 107542
 2010-07-02 23:30:27 +00:00
Argyrios Kyrtzidis
2c2167ac3d Fully read/write CXXRecordDecl for PCH. 
llvm-svn: 107475
 2010-07-02 11:55:32 +00:00
Argyrios Kyrtzidis
e929095f4a Fix reading of DependentNameType. 
llvm-svn: 107474
 2010-07-02 11:55:24 +00:00
Argyrios Kyrtzidis
dab33c5d33 Allow reading of InjectedClassNameType from PCH even when its decl is currently initializing. 
llvm-svn: 107473
 2010-07-02 11:55:20 +00:00
Argyrios Kyrtzidis
ee776bcb7a Fix broken reading of member pointer from PCH. 
llvm-svn: 107472
 2010-07-02 11:55:15 +00:00
Argyrios Kyrtzidis
45a83f9acc - Allow a typedef type to be read from PCH even if its decl is currently initializing. 
- Fix creation of TemplateSpecializationType.

llvm-svn: 107471
 2010-07-02 11:55:11 +00:00