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path: root/lib/Frontend/ASTUnit.cpp
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2011-05-04ASTUnit::LoadFromASTFile(): recover the resources from an ASTReader if it ↵Ted Kremenek
crashes during PCH validation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130886 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-03Introduce ASTUnit::LoadFromCompilerInvocationAction that allows one to ↵Argyrios Kyrtzidis
create an ASTUnit from a CompilerInvocation along with an ASTFrontendAction to invoke, and without all the goo about the precompiled preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04Move Driver::createInvocationFromArgs function to Frontend library to avoid ↵Argyrios Kyrtzidis
dependency cycle between libFrontend and libDriver. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-04Introduce Driver::createInvocationFromArgs used to create a ↵Argyrios Kyrtzidis
CompilerInvocation from command-line args. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128848 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23switch a few Driver APIs to use llvm::ArrayRef, cleaning up code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128142 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23std::vector::data() is not portable to VS. Use a gross hack instead.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Rework crash recovery cleanup in ASTUnit and CIndex to recover more memory ↵Ted Kremenek
during a Sema crash (we have just a handful of leaks left) and to use the simplified cleanup registration API. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Improve crash recovery cleanup to recovery CompilerInstances during crash ↵Ted Kremenek
recovery. This was a huge resource "root" during crashes. This change requires making a bunch of fundamental Clang structures (optionally) reference counted to allow correct ownership semantics of these objects (e.g., ASTContext) to play out between an active ASTUnit and CompilerInstance object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128011 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Use CrashRecoveryContextCleanup objects to reclaim resources from ↵Ted Kremenek
CompilerInstance objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128009 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Use the newly added FileManager::getNoncachedStatValue when trying to ↵Anders Carlsson
determine if any files in the preamble have changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Correctly store and keep track of the FileSystemOptions in ASTUnit and in ↵Anders Carlsson
clang_codeCompleteAt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127890 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Use CrashRecoveryContextCleanup objects to recover an ASTUnit if we crash in ↵Ted Kremenek
ASTUnit::LoadFromCommandLine() and ASTUnit::LoadFromCompilerInvocation(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-09Introduce '-chain-include' option to specify headers that will be converted ↵Argyrios Kyrtzidis
to chained PCHs in memory without having to use multiple runs and intermediate files. Intended for testing & debugging of chained PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-08Add 'OverridenFilesKeepOriginalName' field in SourceManager which if true ↵Argyrios Kyrtzidis
the SourceManager should report the original file name for contents of files that were overriden by other files, otherwise it should report the name of the new file. Default is true. Also add similar field in PreprocessorOptions and pass similar parameter in ASTUnit::LoadFromCommandLine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127289 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-07Allow passing '-###' to ASTUnit::LoadFromCommandLine to print out the cc1 ↵Argyrios Kyrtzidis
options. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127183 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05Currently we can only remap a file by creating a MemoryBuffer and replacing ↵Argyrios Kyrtzidis
the file contents with it. Allow remapping a file by specifying another filename whose contents should be loaded if the original file gets loaded. This allows to override files without having to create & load buffers in advance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127052 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-05Introduce OwnsRemappedFileBuffers field in ASTUnit, indicating whether the ↵Argyrios Kyrtzidis
ASTUnit should delete the remapped buffers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127051 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Preserve what the user passed to -include when emitting .d files. Fixes PR8974!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126334 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-18When code-completing a case statement for a switch on a value ofDouglas Gregor
enumeration type, prioritize the enumeration constants and don't provide completions for any other expressions. Fixes <rdar://problem/7283668>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Teach the CXCodeCompleteResults results structure, which storesDouglas Gregor
code-completion results accessed via libclang, to extend the lifetime of the allocator used for cached global code-completion results at least until these completion results are destroyed. Fixes <rdar://problem/8997369>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125678 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-16Improve the invalidation logic for the cache of global codeDouglas Gregor
completions. We now compute a hash of the names of all top-level declarations and macro definitions, and invalidate the cache when the hash value changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125670 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-15Allow resolving headers from a PCH even after headers+PCH were moved to ↵Argyrios Kyrtzidis
another path. Store in PCH the directory that the PCH was originally created in. If a header file is not found at the path that we expect it to be and the PCH file was moved from its original location, try to resolve the file by assuming that header+PCH were moved together and the header is in the same place relative to the PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125576 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-11Rename the operation that loads a preprocessed entity from a given offset to ↵Douglas Gregor
indicate that we're loading from an offset, not an index, lest one be confused. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125394 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-05Improve our uniquing of file entries when files are re-saved or areDouglas Gregor
overridden via remapping. Thus, when we create a "virtual" file in the file manager, we still stat() the real file that lives behind it so that we can provide proper uniquing based on inodes. This helps keep the file manager much more consistent. To take advantage of this when reparsing files in libclang, we disable the use of the stat() cache when reparsing or performing code completion, since the stat() cache is very likely to be out of date in this use case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Create a special allocator class for code completion, so that all ofDouglas Gregor
the string copying goes through a single place that can have associated state. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124698 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01Allocate CodeCompletionString and all of its components in aDouglas Gregor
BumpPtrAllocator, rather than manually new/delete'ing them. This optimization also allows us to avoid allocating memory for and copying constant strings (e.g., "return", "class"). This also required embedding the priority and availability of results within the code completion string, to avoid extra memory allocation within libclang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124673 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Teach ASTUnit to save the specified target features, sinceDouglas Gregor
TargetInfo::CreateTargetInfo() mangles the target options in a way that is not idempotent. Fixes <rdar://problem/8807535>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124382 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-19Don't silently drop warning flags passed in toDouglas Gregor
clang_createTranslationUnitFromSourceFile(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-09Gather cached code completions after the first reparse, not after theDouglas Gregor
second reparse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121413 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-07Use atomic operations for libclang's object count tracking.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121073 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30When using a precompiled preamble with detailed preprocessing records,Douglas Gregor
trap the serialized preprocessing records (macro definitions, macro instantiations, macro definitions) from the generation of the precompiled preamble, then replay those when walking the list of preprocessed entities. This eliminates a bug where clang_getCursor() wasn't able to find preprocessed-entity cursors in the preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29Merge System into Support.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120297 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29When performing code completion within ASTUnit, allocate the ↵Douglas Gregor
AugmentedCodeCompleteConsumer on the heap, so it's always cleaned up properly git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120290 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23tidy up. Split FileManager::getBufferForFile intoChris Lattner
two copies, since they are fundamentally different operations and the StringRef one should go away (it shouldn't be part of FileManager at least). Remove some dead arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120013 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23now the FileManager has a FileSystemOpts ivar, stop threadingChris Lattner
FileSystemOpts through a ton of apis, simplifying a lot of code. This also fixes a latent bug in ASTUnit where it would invoke methods on FileManager without creating one in some code paths in cindextext. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23give FileManager a 'FileSystemOptions' ivar, which will be usedChris Lattner
to simplify a bunch of code in it. It should ultimately get inlined into FileManager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Partially revert Doug's PCH validation patch (r98585).Chris Lattner
This patch completely defeated the "passing in a prestat'd size to MemoryBuffer" optimization, leading to an extra fstat call for every buffer opened, in order to find out if the datestamp and size of the file on disk matches what is in the stat cache. I fully admit that I don't completely understand what is going on here: why punish code when a stat cache isn't in use? what is the point of a stat cache if you have to turn around and stat stuff to validate it? To resolve both these issues, just drop the modtime check and check the file size, which is the important thing anyway. This should also resolve PR6812, because presumably windows is stable when it comes to file sizes. If the modtime is actually important, we should get it and keep it on the first stat. This eliminates 833 fstat syscalls when processing Cocoa.h, speeding up system time on -Eonly Cocoa.h from 0.041 to 0.038s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Since multiple diagnostics can share one diagnostic client, have the client ↵Argyrios Kyrtzidis
keeping track of the total number of warnings/errors reported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-17Fix source-range information for Objective-C properties. Previously,Douglas Gregor
we were just getting a range covering only the property name, which is certainly not correct (and broke token annotation, among other things). Also, teach libclang about the relationship between @synthesize/@dynamic and @property, so we get property name and cursor-reference information for @synthesize and @dynamic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119409 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16Use an OwningPtr for the preamble buffer in ASTUnit. This plugs a leakDouglas Gregor
where we failed to free this buffer along one of the paths, and detangles the code a little. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15Tweak libclang's heuristics for building precompiled preambles andDouglas Gregor
caching global code-completion results. In particular, don't perform either operation the first time we parse, but do both after the first reparse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-11Improve ASTUnit's capture of diagnostics so that theDouglas Gregor
diagnostic-capturing client lives as long as the ASTUnit itself does. Otherwise, we can end up with crashes when we get a diagnostic outside of parsing/code completion. The circumstances under which this happen are really hard to reproduce, because a file needs to change from under us. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118751 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-09Simplify code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118619 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Change the StringSet used by CalculateHiddenNames() to use a BumpPtrAllocator.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118372 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-03Implement -working-directory.Argyrios Kyrtzidis
When -working-directory is passed in command line, file paths are resolved relative to the specified directory. This helps both when using libclang (where we can't require the user to actually change the working directory) and to help reproduce test cases when the reproduction work comes along. --FileSystemOptions is introduced which controls how file system operations are performed (currently it just contains the working directory value if set). --FileSystemOptions are passed around to various interfaces that perform file operations. --Opening & reading the content of files should be done only through FileManager. This is useful in general since file operations will be abstracted in the future for the reproduction mechanism. FileSystemOptions is independent of FileManager so that we can have multiple translation units sharing the same FileManager but with different FileSystemOptions. Addresses rdar://8583824. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Disable some timing codeDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117910 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-28Simplify ASTUnit's internal timers, by not trying to keep a pile ofDouglas Gregor
timers to be dumped whenever the ASTUnit is destroyed. Instead, just print the time elapsed for each operation after we perform the operation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117550 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Introduce libclang-level options for C++ precompiled preambles,Douglas Gregor
separating out chaining precompiled preambles from non-chaining ones. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117457 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-12Parse default arguments within member functions in source order, fromDouglas Gregor
Manuel Klimek! Fixes PR7715. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116311 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-12When we load an ASTUnit from command-line arguments, hold on to theDouglas Gregor
diagnostics produced by the driver itself. Previously, we were allowing these to either be dropped or to slip through to stderr. Fixes <rdar://problem/7595339>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116285 91177308-0d34-0410-b5e6-96231b3b80d8
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