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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
2011-10-24Switch to a more natural formatting of the macro name printing.Chandler Carruth
Suggested by John McCall. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142836 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24[libclang] Make sure we don't try to erase past the StoredDiagnostics vector.Argyrios Kyrtzidis
Ted came upon the bug but I couldn't make a test out of it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142805 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Make -fms-compatibility imply -fms-extensions. Fixes PR11204.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142797 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-21Take DW_AT_comp_dir from $PWD when it's present and starts with a '/'. This isNick Lewycky
closer to what GCC does, except that GCC also checks that the inodes for $PWD and '.' match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142633 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19Define __STDC__ in -fms-extensions mode; defining it is consistent with gcc, ↵Eli Friedman
and not defining it causes the system headers on multiple platforms to break with -fms-extensions because they assume the lack of a definition of __STDC__ implies a traditional (pre-ANSI) preprocessor. PR10324 and <rdar://problem/10313809> . git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142554 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18Frontend: Support -iframework.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Wire up support for the controlling the extended dwarf .file directive. WithNick Lewycky
r142300 but not this patch, clang -S may emit .s files that assemblers other than llvm-mc can't parse. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142301 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17When building a module, use the macro definitions on the command lineDouglas Gregor
as part of the hash rather than ignoring them. This means we'll end up building more module variants (overall), but it allows configuration macros such as NDEBUG to work so long as they're specified via command line. More to come in this space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Hoist the logic I added to compute the macro name into a helperChandler Carruth
function. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142128 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Now that macro expansion notes are real notes and go through the sameChandler Carruth
formatting as any other diagnostic, they will be properly line wrapped and otherwise pretty printed. Let's take advantage of that and the new factoring to add some helpful information to them (much like template backtrace notes and other notes): the name of the macro whose expansion is being noted. This makes a world of difference if caret diagnostics are disabled, making the expansion notes actually useful in this case. It also helps ensure that in edge cases the information the user needs is present. Consider: % nl -ba t5.cc 1 #define M(x, y, z) \ 2 y 3 4 M( 5 1, 6 2, 7 3); We now produce: % ./bin/clang -fsyntax-only t5.cc t5.cc:6:3: error: expected unqualified-id 2, ^ t5.cc:2:3: note: expanded from macro: M y ^ 1 error generated. Without the added information in the note, the name of the macro being expanded would never be shown. This also deletes a FIXME to use the diagnostic formatting. It's not yet clear to me that we *can* do this reasonably, and the production of this message was my primary goal here anyways. I'd love any comments or suggestions on improving these notes, their wording, etc. Currently, I need to make them provide more helpful information in the presence of a token-pasting buffer, and I'm pondering adding something along the lines of "expanded from argument N of macro: ...". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142127 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Fix the original bug in our diagnostic printing that got me started onChandler Carruth
this long quest: actually use the note printing machinery for each macro expansion note rather than a hacky version of it. This will colorize and format the notes the same as any other. There is still some stuff to fix here, but it's one step closer. No test case changes because currently we don't do anything differently that I can FileCheck for -- I don't really want to try matching the color escape codes... Suggestions for how to test this are welcome. =] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142121 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Now that the structure of this is more reasonably laid out, fix a longChandler Carruth
standing deficiency: we were providing no macro backtrace information whenever caret diagnostics were turned off. This sinks the logic for suppressing the code snippet and caret to the code that actually prints tho code snippet and caret. Along the way, clean up the naming of functions, remove some now fixed FIXMEs, and generally improve the wording and logic of this process. Add a test case exerecising this functionality. It is notable that the resulting messages are extremely low quality. I'm working on a follow-up patch that should address this and have left a FIXME in the test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142120 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Add proper doxyments to the entry point routine, and remove a dead parameter.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142109 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Persist the TextDiagnostic object across multiple diagnostics as long asChandler Carruth
the SourceManager doesn't change, and the source files don't change. This greatly simplifies the interfaces and interactions. The lifetime of the TextDiagnostic object forms the 'session' over which we attempt to condense and deduplicate information in diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142104 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Clean up the names of all the TextDiagnostic methods (and even a staticChandler Carruth
function) to agree with the coding conventions, and in one case have a bit more information in it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142088 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Move two functions out of the public interface that shouldn't have everChandler Carruth
been there. Also delete their redundant doxyments in favor of those in the source file. I'm putting the doxyments for private and static helpers into the implementation file, and only the public interface doxyments into the header. If folks have strong opinions about this type of split, feel free to chime in, I'm happy to re-organize. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142087 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Graduate the TextDiagnostic interface to its own header and source file,Chandler Carruth
making it accessible to anyone from the Frontend library. Still a good bit of cleanup to do here, but its a good milestone. This ensures that *all* of the functionality needed to implement the DiagnosticConsumer is exposed via the generic interface in some form. No sneaky re-use of static functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Move the message printing to a class-static function so that it can beChandler Carruth
part of the TextDiagnostic interface without requiring a full instance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Move the diagnostic level printing into a class static helper. This willChandler Carruth
allow the TextDiagnosticPrinter to continue using it even if TextDiagnostic is implemented in a separate file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142084 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Rationalize the last bit of "arbitrary" state that is carried betweenChandler Carruth
diagnostics to control suppression of redundant information. It now follows the same model as all the other state, and has a bit more clear semantics. This is making the duality of the state a bit annoying, and I've added a FIXME to resolve it. The problem is that I need to lift the TextDiagnostic up into an externally visible layer before that can happen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142083 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Neither 'Warning' nor 'NonNote' was a good name for this location...Chandler Carruth
It's the last include-stack-root we tried to walk up. Use a better name and better doxyments for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Nuke a bunch of FIXMEs that are now fixed. =] Also, remove the now-deadChandler Carruth
TextDiagnosticPrinter argument to the TextDiagnostic helper class. This cements the proper ordering of things: TextDiagnostic is now a viable stand-alone class for emitting pretty-printed textual diagnostics to a terminal. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142070 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the include stack printing into the generic text diagnosticChandler Carruth
utility. This is a particularly nice win because it removes a pile of parameters from these routines. Also name them a bit better. I'm trying to follow the pattern of 'emit' routines writing directly to what is expected to be the final output, while 'print' routines take a output stream argument and can be used to build up intermediate buffers, etc. Also, fix a bug I spotted by inspection from my last commit where 'LastLoc' and 'LastNonNoteLoc' were reversed. It's really scary that this didn't trigger a single test failure. Will be working on tests for more of this functionality now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142069 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Rationalize some of how the locations of prior diagnostics are trackedChandler Carruth
across emissions. 1) The include stack printing is conditioned on non-note diagnostics, not just on warning diagnostics. 2) Those should be full source locations as they're tied to a source manager. 3) We should pass in the prior state to the TextDiagnostic constructor, allow it to mutate as diagnostics are emitted, and then cache the final state before tearing it down. Some of this remains incomplete, specifically #3 isn't finished for the non-note location. That'll come when the include stack printing sinks down a level. This also highlights how *completely* bug-ridden this code is. For example, we currently do all these comparisons of a FullSourceLoc and a SourceLocation... which silently does a SourceLocation to SourceLocation comparison, completely disregarding the source manager from whence one of the arguments came. Oops! Good thing in practice this wasn't important, but it could in theory be suppressing caret diagnostics in a second TU on a single clang invocation. I'm hoping to hammer these bugs out as the refactorings occur, although for so many of them it's really unlikely I can dream up a test case that would show the potentially buggy behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142067 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the EmitDiagnosticLoc method down to the generic TextDiagnosticChandler Carruth
interface now that its only caller is there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Sink the non-caret diagnostic logic down and out of the diagnosticChandler Carruth
consumer. The TextDiagnostic interface now has a generic entry point for emitting a diagnostic which uses a minimal interface that should be compatible with StoredDiagnostics such as are available in libclang etc. Some unfortunate shuffling of static functions as things get relocated. Also some unfortunate public interface points added to TextDiagnosticPrinter, but those are the next bits to get moved so they won't last long. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142064 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Simplify the interface of a helper method in the TextDiagnosticPrinterChandler Carruth
to operate directly on the source location and ranges associated with a diagnostic rather than digging them out of the diagnostic. This had a side benefit of cleaning up its code a tiny bit by using the ArrayRef interface. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Change 'Emit' to 'EmitCaret' which sums up what it *should* be doing.Chandler Carruth
Also note that it is actually doing much more than it should. This paves the way for building a more generic 'Emit' routine that is the real entry point here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Allow calling ASTUnit::LoadFromCompilerInvocationAction with a previously ↵Argyrios Kyrtzidis
created ASTUnit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Change operator<< for raw_ostream and NamedDecl to take a reference instead ↵Benjamin Kramer
of a pointer. Passing a pointer was a bad idea as it collides with the overload for void*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Frontend: Replace -nostdinc by -nostdsysteminc (which is just system includeDaniel Dunbar
paths). The -nostdinc behavior is now -nostdsysteminc + -nobuiltininc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141691 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11For the FileChanged Preprocessor callback, when exiting a file, pass its FileID.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141681 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10[libclang] Implement ConcurrencyCheck using a recursive mutex to allow ↵Argyrios Kyrtzidis
re-entrancy in the same thread. The checks are performed only in DEBUG, it becomes no-op in release mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141582 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Revert r140009, about disabling clang's builtin in -fms-compatibility mode. Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141577 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10When an included non-system directory duplicates a system directory the clang Chad Rosier
frontend removes the non-system directory to maintain gcc compatibility. When this happens NumAngled needs to be updated. PR11097 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141565 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-09OpenCL: add driver/frontend support for precompiled headersPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141516 91177308-0d34-0410-b5e6-96231b3b80d8
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