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2012-02-20Basic: import IntrusiveRefCntPtr<> into clang namespaceDylan Noblesmith
The class name is long enough without the llvm:: added. Also bring in RefCountedBase and RefCountedBaseVPTR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150958 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07Print NamedDecls directly to a raw_ostream where possible.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05Basic: import OwningPtr<> into clang namespaceDylan Noblesmith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149798 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Introduce module attributes into the module map grammar, along with aDouglas Gregor
single attribute ("system") that allows us to mark a module as being a "system" module. Each of the headers that makes up a system module is considered to be a system header, so that we (for example) suppress warnings there. If a module is being inferred for a framework, and that framework directory is within a system frameworks directory, infer it as a system framework. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Extend the ExternalASTSource interface to allow the AST source toDouglas Gregor
provide the layout of records, rather than letting Clang compute the layout itself. LLDB provides the motivation for this feature: because various layout-altering attributes (packed, aligned, etc.) don't get reliably get placed into DWARF, the record layouts computed by LLDB from the reconstructed records differ from the actual layouts, and badness occurs. This interface lets the DWARF data drive layout, so we don't need the attributes preserved to get the answer write. The testing methodology for this change is fun. I've introduced a variant of -fdump-record-layouts called -fdump-record-layouts-simple that always has the simple C format and provides size/alignment/field offsets. There is also a -cc1 option -foverride-record-layout=<file> to take the output of -fdump-record-layouts-simple and parse it to produce a set of overridden layouts, which is introduced into the AST via a testing-only ExternalASTSource (called LayoutOverrideSource). Each test contains a number of records to lay out, which use various layout-changing attributes, and then dumps the layouts. We then run the test again, using the preprocessor to eliminate the layout-changing attributes entirely (which would give us different layouts for the records), but supplying the previously-computed record layouts. Finally, we diff the layouts produced from the two runs to be sure that they are identical. Note that this code makes the assumption that we don't *have* to provide the offsets of bases or virtual bases to get the layout right, because the alignment attributes don't affect it. I believe this assumption holds, but if it does not, we can extend LayoutOverrideSource to also provide base offset information. Fixes the Clang side of <rdar://problem/10169539>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20Extract the (InputKind, std::string) pair used to describe inputs toDouglas Gregor
the front end into its own class, FrontendInputFile, to make it easier to introduce new per-input data. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05When loading an AST file, set SourceManager::MainFileID to the main file of ↵Argyrios Kyrtzidis
the AST file, as suggested by Tom Honermann. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-20Unweaken vtables as per ↵David Blaikie
http://llvm.org/docs/CodingStandards.html#ll_virtual_anch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146959 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-09Move ChainedIncludesSource into the Frontend library. This never reallyChandler Carruth
belonged in the Serialization library, it's setting up a compilation, not just deserializing. This should fix PR11512, making Serialization actually be layered below Frontend, a long standing layering violation in Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146233 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Make -error-on-deserialized-decl work correctly by correctly delegating toArgyrios Kyrtzidis
the previous ASTDeserializationListener. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143241 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename Diagnostic to DiagnosticsEngine as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-15Eliminate the list of modules from the preprocessor options. This wasDouglas Gregor
used back when we had an -import-module command-line option, but it's no longer used (or useful). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Introduce a -cc1 option "-emit-module", that creates a binary moduleDouglas Gregor
from the given source. -emit-module behaves similarly to -emit-pch, except that Sema is somewhat more strict about the contents of -emit-module. In the future, there are likely to be more interesting differences. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138595 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-05Wire up -import-module to run ReadAST for each module loaded.Jonathan D. Turner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136987 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-19Revamp the SourceManager to separate the representation of parsedDouglas Gregor
source locations from source locations loaded from an AST/PCH file. Previously, loading an AST/PCH file involved carefully pre-allocating space at the beginning of the source manager for the source locations and FileIDs that correspond to the prefix, and then appending the source locations/FileIDs used for parsing the remaining translation unit. This design forced us into loading PCH files early, as a prefix, whic has become a rather significant limitation. This patch splits the SourceManager space into two parts: for source location "addresses", the lower values (growing upward) are used to describe parsed code, while upper values (growing downward) are used for source locations loaded from AST/PCH files. Similarly, positive FileIDs are used to describe parsed code while negative FileIDs are used to file/macro locations loaded from AST/PCH files. As a result, we can load PCH/AST files even during parsing, making various improvemnts in the future possible, e.g., teaching #include <foo.h> to look for and load <foo.h.gch> if it happens to be already available. This patch was originally written by Sebastian Redl, then brought forward to the modern age by Jonathan Turner, and finally polished/finished by me to be committed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135484 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18[arcmt] Fix the ARC migrator. -arcmt-modify requires running before the ↵Argyrios Kyrtzidis
initialization of SourceManager because it is going to modify the input file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Raise the ARCMT functionality in Clang into proper FrontendActions.Chandler Carruth
These are somewhat special in that they wrap any other FrontendAction, running various ARC transformations or checks prior to the standard action's run. To implement them easily, this extends FrontendAction to have a WrapperFrontendAction utility class which forwards all calls by default to an inner action setup at construction time. This is then subclassed to override the specific behavior needed by the different ARCMT tools. Finally, FrontendTool is taught how to create these wrapper actions from the existing flags and options structures. The result is that clangFrontend no longer depends on clangARCMigrate. This is very important, as clangARCMigrate *heavily* depends on clangFrontend. Fundamentally ARCMigrate is at the same layer as a library like Rewrite, sitting firmly on top of the Frontend, but tied together with the FrontendTool when building the clang binary itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133161 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
2011-03-09Introduce '-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
2011-02-09Finish up the diagnostic client before we've torn down the ASTReader,Douglas Gregor
since the diagnostic client might poke at source locations that have not yet been deserialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125204 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
2011-01-29Support for -plugin-arg- with -add-pluginNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-25Add -add-plugin flag, which runs plugins in addition to codegen.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124227 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30Such function decls,as objc's objc_msgSend, builtins in Fariborz Jahanian
a specific language. We are adding such language info. by extensing Builtins.def and via a language flag added to LIBBUILTIN/BUILTIN and check for that when deciding a name is builtin or not. Implements //rdar://8689273. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120429 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
2010-11-18Use hasErrorOccurred() instead of getNumErrors() where it makes sense.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119746 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
2010-10-29If Consumer object failed to create due to someFariborz Jahanian
user error, fail gracefully. Fixes pr8508. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117692 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-24Put the mechanism in place to track modifications in an AST entity that were ↵Argyrios Kyrtzidis
committed after its initial creation/deserialization and store the changes in a chained PCH. The idea is that the AST entities call methods on the ASTMutationListener to give notifications of changes; the PCHWriter implements the ASTMutationListener interface and stores the incremental changes of the updated entity. WIP git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117235 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Give a default implementation for ASTDeserializationListener's methods, no ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116506 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Introduce command line option -error-on-deserialized-decl that is ↵Argyrios Kyrtzidis
accompanied by a name and emits an error if a declaration with this name is deserialized from PCH. This is for testing, to make sure that we don't deserialize stuff needlessly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-14Introduce command line option -dump-deserialized-decls which is used to ↵Argyrios Kyrtzidis
print the PCH decls that got deserialized, for testing purposes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116503 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20Another step in the process of making the parser depend on Sema:John McCall
- move DeclSpec &c into the Sema library - move ParseAST into the Parse library Reflect this change in a thousand different includes. Reflect this change in the link orders. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111667 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18More PCH -> AST renaming.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111472 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18Rename various classes from PCH to AST.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111471 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Teach CompilerInstance to create and hold on to the Sema object usedDouglas Gregor
for parsing, so that it can persist beyond the lifetime of the parsing call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110978 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
2010-07-09When 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
2010-06-07Frontend: Add FrontendAction support for handling LLVM IR inputs.Daniel Dunbar
- These inputs follow an abbreviated execution path, but are still worth handling by FrontendAction so they reuse all the other clang -cc1 features. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105582 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07FrontendAction: Track active file kind.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105581 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07Frontend: Rename hasASTSupport to hasASTFileSupport, which is more accurate.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105580 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07Frontend: Move some initialization from CompilerInstance to FrontendAction, ↵Daniel Dunbar
to parallel what is done for AST inputs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105579 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-07Frontend: Change FrontendAction::BeginSourceFile to take the input kind ↵Daniel Dunbar
instead of an IsAST bool. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105578 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Make Diagnostic reference-counted, which is simpler than jugglingDouglas Gregor
maybe-ownership vs. ownership. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100498 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Match MemoryBuffer API changes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100484 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Clarify the ownership semantics of the Diagnostic object used byDouglas Gregor
ASTUnit. Previously, we would end up with use-after-free errors because the Diagnostic object would be creating in one place (say, CIndex) and its ownership would not be transferred into the ASTUnit. Fixes <rdar://problem/7818608>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100464 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-23PPCallbacks: Add hook for reaching the end of the main file, and fix ↵Daniel Dunbar
DependencyFile to not do work in its destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99257 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-06Lowercase for consistencyKovarththanan Rajaratnam
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97878 91177308-0d34-0410-b5e6-96231b3b80d8
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