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2011-11-16Add support for building a module from a module map to the -cc1Douglas Gregor
interface. This is currently limited to modules with umbrella headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Revert r144703. It was a dumb idea anyway; will add the new bits moreDouglas Gregor
incrementally with a new frontend action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144723 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Split GenerateModuleAction into its own action, which will startDouglas Gregor
differing from GeneratePCHAction fairly soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144703 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Add a -cc1-level option -fmodule-name=<name>, which will be used whenDouglas Gregor
building modules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144680 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Typo.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144672 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Fix a regression from 143657. The second pass of the warning options should ↵Chad Rosier
only be emitting warnings/errors for unknown warning options. getDiagnosticsInGroup returns false if the diagnostics is found and true otherwise. Thus, if we're reporting and we have a valid diagnostic, we were actually setting the flag and causing mayhem. rdar://10444207 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144670 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Warning option typo correction: When two options have the same edit_distance ↵Benjamin Kramer
don't display either. Also add a maximum edit distance threshold, so we don't correct "-Wx" to "-W#pragma-messages". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-15Remove extra ';'.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144604 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-14Print a typo correction hint for unknown warning flags.Benjamin Kramer
$ clang -Wololo t.c warning: unknown warning option '-Wololo'; did you mean '-Wall'? [-Wunknown-warning-option] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144591 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-11I predict that HeaderSearch will need the ability to generateDouglas Gregor
diagnostics in the future. Make it so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10serialized diagnostics: simplify code.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-10serialized diagnostics: implement full deserialization of clang diagnostics ↵Ted Kremenek
via the libclang API. I've tested it on simple cases and it works. Test cases to follow as well as a few tweaks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-08serialized diagnostics: serialize the version info in a separate meta block.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07ASTConsumer::handleTopLevelDecl will end up getting called forDouglas Gregor
function template instantiations. Fixes <rdar://problem/10398005> / PR11312. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-07Rip out one of the features I added for the driver-include-management.Chandler Carruth
We don't actually need a separate flag for non-sysrooted paths as the driver has to manage the sysroot anyways. The driver is not infrequently adding paths to the header search based on their existence on the filesystem. For that, it has to add the sysroot anyways, we should pass it on down to CC1 already joined. More importantly, the driver cannot in all cases distinguish between sysrooted paths and paths that are relative to the Clang binary's installation directory. Essentially, we always need to ignore the system root for these internal header search options. It turns out in most of the places we were already providing the system root in the driver, and then another one in CC1 so this fixes several bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143917 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Move the Linux header searching from the Frontend to the Driver. This isChandler Carruth
the first (and diff-noisiest) step to making Linux header searching tremendously more principled and less brittle. Note that this step should have essentially no functional impact. We still search the exact same set of paths in the exact same order. The only change here is where the code implementing such a search lives. This has one obvious negative impact -- we now pass a ludicrous number of flags to the CC1 layer. That should go away as I re-base this logic on the logic to detect a GCC installation. I want to do this in two phases so the bots can tell me if this step alone breaks something, and so that the diffs of the refactoring make more sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143822 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Fix a significant oversight in my move of MSVC includes to the driver:Chandler Carruth
actually manage the builtin header file includes as well as the system ones. This one is actually debatable whether it belongs in the driver or not, as the builtin includes are really an internal bit of implementation goop for Clang. However, they must be included at *exactly* the right point in the sequence of header files, which makes it essentially impossible to have this be managed by the Frontend and the rest by the Driver. I have terrible ideas that would "work", but I think they're worse than putting this in the driver and making the Frontend library even more ignorant of the environment and system on which it is being run. Also fix the fact that we weren't properly respecting the flags which suppress standard system include directories. Note that this still leaves all of the Clang tests which run CC1 directly and include builtin header files broken on Windows. I'm working on a followup patch to address that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Add two flags to the CC1 layer that I was hoping to avoid. We need toChandler Carruth
encode the *exact* semantics which the header search paths internally built by the Frontend layer have had, which is both non-user-provided, and at times adding the implicit extern "C" bit to the directory entry. There are lots of CC1 options that are very close, but none do quite this, and they are all already overloaded for other purposes. In some senses this makes the command lines more clean as it clearly indicates which flags are exclusively used to implement internal detection of "standard" header search paths. Lots of the implementation of this is really crufty, due to the surrounding cruft. It doesn't seem worth investing lots of time cleaning this up as it isn't new, and hopefully *lots* of this code will melt away as header search inside of the frontend becomes increasingly trivial. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: include FixIt information in serialized diagnostics.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143776 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: pull emission of filenames into diagnostic block.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: pull emission of diagnostic flag string into ↵Ted Kremenek
diagnostics block. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143764 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Serialized diagnostics: pull category name serialization into diagnostic ↵Ted Kremenek
blocks. The goal is to remove BLOCK_STRINGS so that the bitcode file can potentially be streamed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143763 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: emit source ranges.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143762 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Move definition of record/block IDs for serialized diagnostics to public header.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143761 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Serialized diagnostics: encode a 24 bit version number as part of the "magic ↵Ted Kremenek
number" of serialized diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05serialized diagnostics: unique warning strings when emitting serialized ↵Ted Kremenek
diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143759 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Serialized diagnostics: serialize "notes" as sub diagnostics of warnings and ↵Ted Kremenek
errors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143758 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-05Also include file modification time and size in output of ↵Ted Kremenek
SerializedDiagnosticPrinter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143757 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04Begin the migration of header search logic to the driver, starting withChandler Carruth
Windows. There are still FIXMEs and lots of problems with this code. Some of them will be addressed shortly by my follow-up patches, but most are going to wait until we isolate this code and can fix it properly. This version should be no worse than what we had before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143752 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-04Enable -flimit-debug-info by default. Now, clang lazily emits debug info for ↵Devang Patel
structs. Original behavior can be restored using -fno-limit-debug-info. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143733 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Parse the warning options twice. The first pass sets diagnostic state, while Chad Rosier
the second pass reports warnings/errors. This has the effect that we follow the more canonical "last option wins" paradigm when there are conflicting options. rdar://10383776 Previously, we parsed the warning options in order. This caused non-intuitive behavior: 1) clang test.c -Wnosuchwarning -Wno-unknown-warning-option Before: warning: unknown warning option '-Wnosuchwarning' [-Wunknown-warning-option] 1 warning generated. After: [0 warning generated.] 2) clang test.c -Wnosuchwarning -Werror=unknown-warning-option Before: warning: unknown warning option '-Wnosuchwarning' [-Wunknown-warning-option] 1 warning generated. After: error: unknown warning option '-Wnosuchwarning' [-Werror,-Wunknown-warning-option] 3) clang test.c -Werror=unknown-warning-option -Wnosuchwarning -Wno-error=unknown-warning-option -Wnosuchwarning Before: error: unknown warning option '-Wnosuchwarning' [-Werror,-Wunknown-warning-option] warning: unknown warning option '-Wnosuchwarning' [-Wunknown-warning-option] After: warning: unknown warning option '-Wnosuchwarning' [-Wunknown-warning-option] warning: unknown warning option '-Wnosuchwarning' [-Wunknown-warning-option] 2 warnings generated. 4) clang test.c -Werror=unknown-warning-option -Wnosuchwarning -Wno-error=unknown-warning-option -Wno-unknown-warning-option -Wnosuchwarning Before: error: unknown warning option '-Wnosuchwarning' [-Werror,-Wunknown-warning-option] After: [0 warning generated.] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143657 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03After resetting the diagnostic state, set the number of warning occurring in ↵Argyrios Kyrtzidis
the preamble. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143647 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03[libclang] Fix crash when a #pragma diagnostic is included in the preamble.Argyrios Kyrtzidis
A PCH file keeps track of #pragma diagnostics state; when loading the preamble, they conflicted with the #pragma diagnostic state already present in the DiagnosticsEngine object due to parsing the preamble. Fix this by clearing the state of the DiagnosticsEngine object. Fixes rdar://10363572 && http://llvm.org/PR11254. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03[libclang] Add infrastructure to be able to only deserialize decls in a file ↵Argyrios Kyrtzidis
region and use it for clang_getCursor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Fix various minor issues find via unreachable code warnings, fromDouglas Gregor
Ahmed Charles! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143569 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Add the newest Gentoo GCC version based on the reported installedChandler Carruth
version in PR11298. I hear-by apologize for adding yet more code to this monstrosity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Add an option to emulate the strange Apple gcc behavior of #pragma pack.Eli Friedman
<rdar://problem/10374763> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01rename getHostTriple into getDefaultTargetTriple in clangSebastian Pop
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Put a reference of the ASTReader in the ASTUnit.Argyrios Kyrtzidis
This is intended for direct access of the ASTReader for uses that make little sense to try to shoehorn in the ExternalASTSource interface. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143465 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Revert r143342. Caching of code-completion results was intentionally placed ↵Argyrios Kyrtzidis
in "reparse" because we don't want to take this performance hit when doing code completion Log of r143342: Move caching of code-completion results from ASTUnit::Reparse to ASTUnit::CodeComplete, so that it will happen when we are doing code-completion, not reparsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Add "just one more" include path to the monstrosity that is our headerChandler Carruth
search logic. The Debian multiarch seems to have completely changed from when these were originally added, and I'd like to remove a bunch of them, but I'll be lazy and delay that until this logic is hoisted into the driver where it belongs. This should resolve PR11223. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Move caching of code-completion results from ASTUnit::Reparse to ↵Argyrios Kyrtzidis
ASTUnit::CodeComplete, so that it will happen when we are doing code-completion, not reparsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143342 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-31Have the ASTUnit associate the local declarations that get parsed with the fileArgyrios Kyrtzidis
that contains them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-30Add support for lazily linking bitcode files (using a newPeter Collingbourne
-mlink-bitcode-file flag), and more generally llvm::Modules, before running optimisations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-29Start work on SerializedDiagnosticPrinter, a new DiagnosticConsumer that ↵Ted Kremenek
serializes out the diagnostics for a given translation unit to a bit code file. This is a WIP. The motivation for this new DiagnosticConsumer is to provide a way for tools invoking the compiler to get its diagnostics via a libclang interface, rather than textually parsing the compiler output. This gives us flexibility to change the compiler's textual output, but have a structured data format for clients to use to get the diagnostics via a stable API. I have no tests for this, but llvm-bcanalyzer so far shows that the emitted file is well-formed. More work to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Give __STDC_VERSION__ the value 201001L when we're in C1x mode. TheDouglas Gregor
committee hasn't set a value for __STDC_VERSION__ yet, so this is a placeholder. But at least it's > 199901L. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143245 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
2011-10-27Add mutex for accessing ASTUnit's global OnDisk data. This may be an issue ↵Ted Kremenek
as libclang could be processing multiple ASTUnit's at once. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Move ASTUnit's handling of temporary files and the preamble file into a ↵Ted Kremenek
lazily-created static DenseMap. This DenseMap is cleared (and the files erased) via an atexit routine in the case an ASTUnit is not destroyed. Fixes <rdar://problem/10293367>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143115 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[PCH] When visiting preprocessed entities, make it possible to avoid ↵Argyrios Kyrtzidis
deserializing preprocessed entities that are #included in the range that we are interested. This is useful when we are interested in preprocessed entities of a specific file, e.g when we are annotating tokens. There is also an optimization where we cache the last result of PreprocessingRecord::getPreprocessedEntitiesInRange and we re-use it if there is a call with the same range as before. rdar://10313365 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142887 91177308-0d34-0410-b5e6-96231b3b80d8
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