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736 Commits

Author SHA1 Message Date
Douglas Gregor 36ea4d4f45 Revert r115336 ("Thread PerFileData through everything."), because 
we're missing the corresponding changes in the LLVM repository.

llvm-svn: 115340
 2010-10-01 20:33:34 +00:00
Sebastian Redl 7b1b2268e2 Thread PerFileData through everything. This allows us to remap stuff later. 
llvm-svn: 115336
 2010-10-01 19:59:15 +00:00
Sebastian Redl 3f6b753f9d Record module loaders and module source order. 
llvm-svn: 115334
 2010-10-01 19:59:12 +00:00
Douglas Gregor 7fb25418ed Implement the C++0x "trailing return type" feature, e.g., 
auto f(int) -> int

from Daniel Wallin!

(With a few minor bug fixes from me).

llvm-svn: 115322
 2010-10-01 18:44:50 +00:00
Douglas Gregor aa43301842 If we get a TU_CONTEXT update from a chained PCH file before we 
actually have an ASTContext, delay the processing of that
update. Patch by Sebastian Redl! Fixes <rdar://problem/8499034>.

llvm-svn: 115263
 2010-10-01 01:18:02 +00:00
Argyrios Kyrtzidis 58c65410ac Support implicit includes when generating a PCH and allow the user to pass a -include on the command line following the PCH include. 
Fixes rdar://7382084.

llvm-svn: 115159
 2010-09-30 16:53:50 +00:00
Sebastian Redl 4102dd5eb5 Fix a bug in loading macro records. Fixes yet another crash in libclang. 
llvm-svn: 114940
 2010-09-28 02:55:49 +00:00
Sebastian Redl da6a21cdd2 Fix a use of an invalidated reference due to a hash map reallocating. 
llvm-svn: 114937
 2010-09-28 02:24:44 +00:00
Sebastian Redl 9609b4f1a8 When chaining PCHs, only write PPRecords that don't come from PCH, and give them the correct IDs. Fixes a crash in XCode. 
llvm-svn: 114913
 2010-09-27 22:18:47 +00:00
Douglas Gregor 2fb99df2c3 When setting the globally-visible declarations for a particular 
identifier, we may have a Sema object but no translation unit scope
(because parsing is finished). In this case, we still need to update
the IdResolver, which might still be used when writing a PCH
containing another PCH (without chaining). This bug manifested as a
failure with precompiled preambles.

Also, add a little environment-variable-sensitive logging for
libclang.

llvm-svn: 114774
 2010-09-24 23:29:12 +00:00
Sebastian Redl c1d035f6a3 Change source manager serialization to be less tied to the PCH model. 
llvm-svn: 114575
 2010-09-22 20:19:08 +00:00
Sebastian Redl 96371b446e Only preload SLocEntries after the entire PCH chain was loaded. 
llvm-svn: 114518
 2010-09-22 00:42:30 +00:00
Sebastian Redl 949fe9e03b Reshuffle PerFileData's members to make more sense. 
llvm-svn: 114517
 2010-09-22 00:42:27 +00:00
Sebastian Redl 50e2658f63 Macro definitions in AST files have their own IDs. 
llvm-svn: 114014
 2010-09-15 19:54:06 +00:00
Benjamin Kramer 25f9ea6f0a Replace loops with SmallVector::append. 
llvm-svn: 113185
 2010-09-06 23:43:28 +00:00
Argyrios Kyrtzidis d05f3e3730 Fix a C++ PCH problem which was exposed by r113019. CXXBaseOrMemberInitializer's IsWritten and source order is not set. 
llvm-svn: 113161
 2010-09-06 19:04:27 +00:00
Chandler Carruth 5408017356 Rename *PendingImplicitInstantiations to *PendingInstantiations. No 
functionality changed.

llvm-svn: 112040
 2010-08-25 08:44:16 +00:00
John McCall 19c1bfd1b0 Move more stuff out of Sema.h. 
llvm-svn: 112026
 2010-08-25 05:32:35 +00:00
Sebastian Redl aba202b430 AST reader support for having specializations of templates from earlier in the chain. 
llvm-svn: 111985
 2010-08-24 22:50:19 +00:00
John McCall cc14d1fd23 More header elimination. The goal of all this is to allow Parser to 
#include Sema.h while keeping all the AST declarations opaque.  That may
not be reasonably attainable, though.

llvm-svn: 111907
 2010-08-24 08:50:51 +00:00
John McCall bfd822ce64 Remove a header dependency from Sema.h at the cost of some type safety. 
If someone wants to fix this some other way....

llvm-svn: 111905
 2010-08-24 07:32:53 +00:00
Sebastian Redl 9617e7e8c7 Add testcase for C++ chained PCH and fix the bugs it uncovered in name lookup. 
llvm-svn: 111882
 2010-08-24 00:50:16 +00:00
Sebastian Redl d7dce0a44d Read the UPDATE_VISIBLE record, and add its visible decls to the lookup tables. Also, free the lookup tables when destructing the ASTReader. 
llvm-svn: 111880
 2010-08-24 00:50:04 +00:00
Sebastian Redl 9d8f58b5d7 Correctly initialize the visible decls pointer if there are no visible decls for a record. 
llvm-svn: 111879
 2010-08-24 00:50:00 +00:00
Sebastian Redl 471ac2f02e Baby step towards supporting namespaces in chained PCH. 
llvm-svn: 111878
 2010-08-24 00:49:55 +00:00
John McCall 4887165193 DeclPtrTy -> Decl * 
llvm-svn: 111733
 2010-08-21 09:40:31 +00:00
Argyrios Kyrtzidis d32ee89ea2 Fix an issue with writing to PCH another included PCH, introduced by the "using an AST on-disk hash table for name lookup" commit. 
When including a PCH and later re-emitting to another PCH, the name lookup tables of DeclContexts
may be incomplete, since we now lazily deserialize the visible decls of a particular name.
Fix the issue by iterating over the un-deserialized visible decls and completing the lookup tables
of DeclContexts before writing them out.

llvm-svn: 111698
 2010-08-20 23:35:55 +00:00
Argyrios Kyrtzidis ba88bfab37 Use the AST on-disk hash table for name lookup inside a DeclContext. 
*Huge* improvement over the amount of deserializing that we do for C++ lookup.
e.g, if he have the Carbon header precompiled and include it on a file containing this:

int x;

these are the before/after stats:

BEFORE:

*** AST File Statistics:
  578 stat cache hits
  4 stat cache misses
  548/30654 source location entries read (1.787695%)
  15907/16501 types read (96.400223%)
  53525/59955 declarations read (89.275291%)
  33993/43525 identifiers read (78.099945%)
  41516/51891 statements read (80.006165%)
  77/5317 macros read (1.448185%)
  0/6335 lexical declcontexts read (0.000000%)
  1/5424 visible declcontexts read (0.018437%)

AFTER using the on-disk table:

*** AST File Statistics:
  578 stat cache hits
  4 stat cache misses
  548/30654 source location entries read (1.787695%)
  10/16501 types read (0.060602%)
  9/59955 declarations read (0.015011%)
  161/43525 identifiers read (0.369902%)
  20/51891 statements read (0.038542%)
  6/5317 macros read (0.112846%)
  0/6335 lexical declcontexts read (0.000000%)
  2/5424 visible declcontexts read (0.036873%)

There's only one issue affecting mostly the precompiled preambles which I will address soon.

llvm-svn: 111636
 2010-08-20 16:04:35 +00:00
Argyrios Kyrtzidis 07347321c6 Introduce the mechanism for building an AST on-disk hash table for name lookup inside a DeclContext but don't use it yet. 
llvm-svn: 111635
 2010-08-20 16:04:27 +00:00
Argyrios Kyrtzidis bb5c7eae4c serialization::TypeID is used with or without qualifiers, both as index and as index + qualifiers. 
Disambiguate and provide some type safety by using a new class TypeIdx for the "TypeID as index" semantics.

llvm-svn: 111630
 2010-08-20 16:03:59 +00:00
Argyrios Kyrtzidis 4bd97102e9 Share the common code of ComputeHash(Selector Sel) instead of keeping 2 copies in PCHReader and PCHWriter. 
No functionality change.

llvm-svn: 111629
 2010-08-20 16:03:52 +00:00
Douglas Gregor b473b07cff Make sure to deallocate the identifier lookup tables and selector tables 
when destroying an ASTReader. Plugs a leak that shows up in libclang.

llvm-svn: 111488
 2010-08-19 00:28:17 +00:00
Sebastian Redl 539c506152 Rename pch namespace to serialization. 
llvm-svn: 111478
 2010-08-18 23:57:32 +00:00
Sebastian Redl f164204baa Rename stuff in PCHBitCodes.h 
llvm-svn: 111475
 2010-08-18 23:57:22 +00:00
Sebastian Redl f5b1346738 Rename the ASTReader header files. 
llvm-svn: 111474
 2010-08-18 23:57:17 +00:00
Sebastian Redl 3b3c874f68 Rename the ASTReader implementation files. 
llvm-svn: 111473
 2010-08-18 23:57:11 +00:00