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2012-10-01availability in structured documents. TakesFariborz Jahanian
care of comments by Dimitri and Doug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164957 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-01Have AnalyzerOptions::getBooleanOption() stick the matching configTed Kremenek
string in the config table so that it can be dumped as part of the config dumper. Add a test to show that these options are sticking and can be cross-checked using FileCheck. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164954 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-01Cleaning up the self initialization checker.Richard Trieu
-Allow Sema to do more processing on the initial Expr before checking it. -Remove the special conditions in HandleExpr() -Move the code so that only one call site is needed. -Removed the function from Sema and only call it locally. -Warn on potentially evaluated reference variables, not just casts to r-values. -Update tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164951 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-01[analyzer] Make ProgramStateManager's SubEngine parameter optional.Jordan Rose
It is possible and valid to have a state manager and associated objects without having a SubEngine or checkers. Patch by Olaf Krzikalla! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-01Add matchers for selected C++11 features.Daniel Jasper
Patch by Gábor Horváth. Review: http://llvm-reviews.chandlerc.com/D46 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add Clang support for iOS6.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add an FMA intrinsic for ARM Neon.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Whitespace.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Fix refersToDeclaration()-matcher and add missing test case. This wasDaniel Jasper
broken as of r164656 as TemplateArgument::getAsDecl() now asserts instead of returning NULL for other template arugment kinds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Move the 'find macro by spelling' infrastructure to the Preprocessor class andDmitri Gribenko
use it to suggest appropriate macro for __attribute__((deprecated)) in -Wdocumentation-deprecated-sync. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29For PPCallbacks::InclusionDirective() add a parameter for the module, wheneverArgyrios Kyrtzidis
an inclusion directive was automatically turned into a module import, and PPCallbacks::moduleImport() for an explicit module import. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29In the Module class, add a reference to the corresponding AST file.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Use a custom DenseMapInfo for WeakObjectProfileTy.Jordan Rose
We can't specialize the usual llvm::DenseMapInfo at the end of the file because by that point the DenseMap in FunctionScopeInfo has already been instantiated. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164862 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Compatibility macro detection for the -Wimplicit-fallthrough diagnostic.Alexander Kornienko
Summary: When issuing a diagnostic message for the -Wimplicit-fallthrough diagnostics, always try to find the latest macro, defined at the point of fallthrough, which is immediately expanded to "[[clang::fallthrough]]", and use it's name instead of the actual sequence. Known issues: * uses PP.getSpelling() to compare macro definition with a string (anyone can suggest a convenient way to fill a token array, or maybe lex it in runtime?); * this can be generalized and used in other similar cases, any ideas where it should reside then? Reviewers: doug.gregor, rsmith Reviewed By: rsmith CC: cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D50 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28-Wreceiver-is-weak: rephrase warning text and add a suggestion Note.Jordan Rose
New output: warning: weak property may be unpredictably set to nil note: property declared here note: assign the value to a strong variable to keep the object alive during use <rdar://problem/12277204> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164857 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Pull ScopeInfo implementation into its own file.Jordan Rose
The infrastructure for -Warc-repeated-use-of-weak got a little too heavy to leave sitting at the top of Sema.cpp. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28-Warc-repeated-use-of-weak: check ivars and variables as well.Jordan Rose
Like properties, loading from a weak ivar twice in the same function can give you inconsistent results if the object is deallocated between the two loads. It is safer to assign to a strong local variable and use that. Second half of <rdar://problem/12280249>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Add a warning (off by default) for repeated use of the same weak property.Jordan Rose
The motivating example: if (self.weakProp) use(self.weakProp); As with any non-atomic test-then-use, it is possible a weak property to be non-nil at the 'if', but be deallocated by the time it is used. The correct way to write this example is as follows: id tmp = self.weakProp; if (tmp) use(tmp); The warning is controlled by -Warc-repeated-use-of-receiver, and uses the property name and base to determine if the same property on the same object is being accessed multiple times. In cases where the base is more complicated than just a single Decl (e.g. 'foo.bar.weakProp'), it picks a Decl for some degree of uniquing and reports the problem under a subflag, -Warc-maybe-repeated-use-of-receiver. This gives a way to tune the aggressiveness of the warning for a particular project. The warning is not on by default because it is not flow-sensitive and thus may have a higher-than-acceptable rate of false positives, though it is less noisy than -Wreceiver-is-weak. On the other hand, it will not warn about some cases that may be legitimate issues that -Wreceiver-is-weak will catch, and it does not attempt to reason about methods returning weak values. Even though this is not a real "analysis-based" check I've put the bug emission code in AnalysisBasedWarnings for two reasons: (1) to run on every kind of code body (function, method, block, or lambda), and (2) to suggest that it may be enhanced by flow-sensitive analysis in the future. The second (smaller) half of this work is to extend it to weak locals and weak ivars. This should use most of the same infrastructure. Part of <rdar://problem/12280249> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Make getDefaultSynthIvarName() a member of ObjCPropertyDecl.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164789 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Pass PrintingPolicy by reference, copying it isn't cheap.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164781 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Shrink LinkageInfo from 96 bits to 8 bits.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164771 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. ↵Sylvestre Ledru
See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164766 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix a typo 'iff' => 'if'Sylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164766 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Per discussion in ↵Argyrios Kyrtzidis
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20120917/064551.html have PPCallbacks::InclusionDirective pass the character range for the filename quotes or brackets. rdar://11113134 & http://llvm.org/PR13880 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164743 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26[libclang] Remove the ParentKind cursor kind from code-completion results.Argyrios Kyrtzidis
This is to reduce dependency to cursors for the code-completion results. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164705 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Have ASTUnit::Save() return a bool to indicate save error.Argyrios Kyrtzidis
Removes a dependency of ASTUnit to clang-c/Index.h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164704 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Revert r163022, it caused PR13924.Nico Weber
Add a test for PR13924. Do not revert the test added in r163022, it surprisingly still passes even after reverting the code changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164672 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Remove unnecessary ASTContext& parameter from SymExpr::getType().Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164661 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Fix an edge case of mangling involving the combination of a lambda and typeid.Eli Friedman
typeid (and a couple other non-standard places where we can transform an unevaluated expression into an evaluated expression) is special because it introduces an an expression evaluation context, which conflicts with the mechanism to compute the current lambda mangling context. PR12123. I would appreciate if someone would double-check that we get the mangling correct with this patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164658 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Fix the AST representation for non-type template arguments to encodeEli Friedman
enough information so we can mangle them correctly in cases involving dependent parameter types. (This specifically impacts cases involving null pointers and cases involving parameters of reference type.) Fix the mangler to use this information instead of trying to scavenge it out of the parameter declaration. <rdar://problem/12296776>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164656 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Teach Type::getAs<TemplateSpecializationType> that a TemplateSpecializationTypeRichard Smith
for a type alias template can appear as sugar at any level of desugaring, just like a TypedefType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25[Options] Store the option ID in OptTable::Info.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164644 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Remove 'const' version of getBasicVals(), which is useless.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164643 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25[driver] Add support for the -fno-fast-math option.Chad Rosier
rdar://12299433 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164638 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Macro history (de-)serialization. Deserialization currently reads only the ↵Alexander Kornienko
latest macro definition. Needs more work. Summary: Passes all tests (+ the new one with code completion), but needs a thorough review in part related to modules. Reviewers: doug.gregor Reviewed By: alexfh CC: cfe-commits, rsmith Differential Revision: http://llvm-reviews.chandlerc.com/D41 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164610 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25-iframework should allow separate arguments.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Introduce builtin macros to determine whether we're building aDouglas Gregor
specific module (__building_module(modulename)) and to get the name of the current module as an identifier (__MODULE__). Used to help headers behave differently when they're being included as part of building a module. Oh, the irony. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164605 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25A minor doc fix.Alexander Kornienko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164601 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Add the Microsoft __is_interface_class type trait.John McCall
Patch by Andy Gibbs! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Fix for r163013 regression and further __interface enhancement.John McCall
Patch by Andy Gibbs! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164590 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25Fix crash when a decltype expression in a trailing return type refers to theRichard Smith
function being instantiated. An error recovery codepath was recursively performing name lookup (and triggering an unbounded stack of template instantiations which blew out the stack before hitting the depth limit). Patch by Wei Pan! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164586 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24objective-C: use 'instance variables' as plural when referringFariborz Jahanian
to the feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24objective-C: remove use of 'ivar' in favor ofFariborz Jahanian
'instance variable' in text of all diagnostics for objective-C: // rdar://12352442 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164559 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24StringRef'ize Preprocessor::CreateString().Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164555 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24Replace an assertion with an error for empty __asm statements.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164551 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24Make sure that we don't end up making an #undef'd macro visible afterDouglas Gregor
the fact. Test cases will come when we're actually (de-)serializing macro history. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164549 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24Include 'long long' extension warning in the LongLong group so that it can beDmitri Gribenko
silenced by -Wno-long-long. Thanks Richard Smith for the fix idea! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24Change the wording of the extension warning fromDmitri Gribenko
> 'long long' is an extension when C99 mode is not enabled to > 'long long' is a C++11 extension while compiling in C++98 mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24[analyzer] Remove unused.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164542 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-24Small cleanup of literal semantic analysis: hiding 'char *' pointers behindDmitri Gribenko
StringRef makes code cleaner. Also, make the temporary buffer smaller: 512 characters is unreasonably large for integer literals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164484 91177308-0d34-0410-b5e6-96231b3b80d8
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