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1564 Commits

Author SHA1 Message Date
Daniel Dunbar 0300bbcf80 Update CMake. 
llvm-svn: 86015
 2009-11-04 06:39:40 +00:00
Ted Kremenek 9346a56793 Add FIXME. 
llvm-svn: 86004
 2009-11-04 04:24:44 +00:00
Ted Kremenek ef910047b2 Catch uses of undefined values when they are used in assignment, thus catching such bugs closer to the source. 
llvm-svn: 86003
 2009-11-04 04:24:16 +00:00
Zhongxing Xu 259d46407a Merge ZeroSizedVLAChecker and UndefSizedVLAChecker. 
llvm-svn: 85996
 2009-11-04 01:43:07 +00:00
Ted Kremenek b006b82daf Refactor StoreManager::BindDecl() to take a VarRegion* instead of a VarDecl*, and modify GRExprEngine::EvalBind() to handle decl initialization as well. This paves the way for adding "checker" visitation in EvalBind(). 
llvm-svn: 85983
 2009-11-04 00:09:15 +00:00
Ted Kremenek 0fbbb0877d Change GRTransferFuncs::RegisterChecks() to take a GRExprEngine& instead of a BugReporter&. This paves the way for pulling some of the retain/release checker into a "Checker" class. 
llvm-svn: 85971
 2009-11-03 23:30:34 +00:00
Ted Kremenek 8d43a6ac3d Merge NullDerefChecker.[h,cpp] and UndefDerefChecker.[h,cpp]. They are essentially two parts of the same check. 
llvm-svn: 85911
 2009-11-03 18:41:06 +00:00
Benjamin Kramer 8a712c7866 Update CMakeLists. 
llvm-svn: 85898
 2009-11-03 13:37:33 +00:00
Zhongxing Xu 27fee83ec4 Pull VLA size checker into its own files. 
Split it to two checkers, one for undefined size, 
the other for zero size, so that we don't need to query the size
when emitting the bug report.

llvm-svn: 85895
 2009-11-03 12:13:38 +00:00
Ted Kremenek 18c7ceee16 Implement: <rdar://problem/6250216> Warn against using -[NSAutoreleasePool release] in GC mode 
llvm-svn: 85887
 2009-11-03 08:03:59 +00:00
Ted Kremenek 924316d7d7 Move 'static inline' functions GetNullarySelector() and GetUnarySelector() from CFRefCount.cpp to ASTContext.h. These functions are likely to be generally useful. 
llvm-svn: 85886
 2009-11-03 08:00:42 +00:00
Zhongxing Xu 9b9d731a8b Pull AttrNonNullChecker into its own files. 
llvm-svn: 85883
 2009-11-03 07:35:33 +00:00
Zhongxing Xu b42929d773 Update CMake file. 
llvm-svn: 85879
 2009-11-03 07:14:39 +00:00
Ted Kremenek df8016aabb Rename NSErrorCheck to NSErrorChecker. 
llvm-svn: 85877
 2009-11-03 06:59:59 +00:00
Ted Kremenek 3684c65ded Update CMake file. 
llvm-svn: 85876
 2009-11-03 06:46:41 +00:00
Zhongxing Xu ab162e1873 Pull UndefinedArgChecker into its own files. 
llvm-svn: 85875
 2009-11-03 06:46:03 +00:00
Zhongxing Xu 0deca3486e Pull BadCallChecker into its own files. 
llvm-svn: 85868
 2009-11-03 05:48:04 +00:00
Ted Kremenek 43edaa8432 retain/release checker: CGBitmapContextCreateWithData() returns an owned object. 
llvm-svn: 85867
 2009-11-03 05:39:12 +00:00
Ted Kremenek d1b67db2e8 retain/release checker: Add special handling of CGBitmapContextCreateWithData(). 
Fixes: <rdar://problem/7358899>
llvm-svn: 85864
 2009-11-03 05:34:07 +00:00
Ted Kremenek fac290d359 Remove GRExprEngine::CheckerVisitLocation(). It was only called in one place, so we inlined it in to GRExprEngine::EvalLocation(). 
llvm-svn: 85838
 2009-11-02 23:19:29 +00:00
Benjamin Kramer 6b289a9cf6 Update CMake file. 
llvm-svn: 85652
 2009-10-31 12:15:23 +00:00
Zhongxing Xu b1c24724dd Move CheckDivZero into its own files. 
llvm-svn: 85651
 2009-10-31 10:02:37 +00:00
Zhongxing Xu 358ced08d0 Move UndefDerefChecker into its own file. 
llvm-svn: 85645
 2009-10-31 08:44:33 +00:00
Zhongxing Xu 5f5c954329 fix 80-col. 
llvm-svn: 85642
 2009-10-31 03:36:08 +00:00
Ted Kremenek 5c2040b182 Tighten computation of ExprVal using ?: expression. No functionality change. 
llvm-svn: 85618
 2009-10-30 22:01:29 +00:00
Ted Kremenek 6f2a705a24 Make checkers run in deterministic order. 
llvm-svn: 85597
 2009-10-30 17:47:32 +00:00
Ted Kremenek 89f5c189db Move NullDerefChecker.h instead a 'Checkers' subdirectory. 
llvm-svn: 85596
 2009-10-30 17:28:40 +00:00
Ted Kremenek f613e89617 Move all logic for the null dereference checker from GRExprEngineInternalChecks.cpp to a separate .cpp file. 
llvm-svn: 85595
 2009-10-30 17:24:47 +00:00
Zhongxing Xu b9eda67380 Fix PR5316: make assignment expressions can be visited as lvalue. Then we 
can get the correct base lvalue.
Revert r85578.

llvm-svn: 85579
 2009-10-30 07:19:39 +00:00
Ted Kremenek e96a30a531 Handle loading of field values from LazyCompoundVals in GRExprEngine::VisitMemberExpr(). 
This fixes the crash reported in PR 5316.

llvm-svn: 85578
 2009-10-30 05:48:30 +00:00
Zhongxing Xu aa4121d062 Add an assertion to ensure NullDerefChecker exists. 
llvm-svn: 85497
 2009-10-29 05:56:54 +00:00
Ted Kremenek 1dbdbcc04c Fix accidental use of CheckSVal instead of CheckLocation, and add a 
small test case to show we handle dereferences of undefined values.

llvm-svn: 85492
 2009-10-29 05:33:39 +00:00
Ted Kremenek 1f0a56e4c9 Fix an insidious bug in RegionStore::RemoveDeadBindings() pointed out 
by Zhongxing Xu.  RemoveDeadBindings() would falsely prune
SymbolicRegions from the store that wrapped derived symbols whose
liveness could only be determined after scanning the store.

llvm-svn: 85484
 2009-10-29 05:14:17 +00:00
Zhongxing Xu 6b8bfb376b Move NullDeref and UndefDeref into their own checker. 
Add a CheckLocation() interface to Checker.
Now ImplicitNullDeref nodes are cached in NullDerefChecker.
More cleanups follow.

llvm-svn: 85471
 2009-10-29 02:09:30 +00:00
Douglas Gregor f7b87cb529 [llvm up] 
Switch a few ugly switch-on-string-literal constructs to use the new
llvm::StringSwitch.

llvm-svn: 85461
 2009-10-29 00:41:01 +00:00
Ted Kremenek 1c9401ec15 Unused ivars checker: also check methods in categories that are defined in the same translation unit. Fixes <rdar://problem/6260004>. 
llvm-svn: 85442
 2009-10-28 22:18:22 +00:00
Ted Kremenek faba9fe5e4 Pull ivar scanning logic into another utility function. This refactoring will enable scanning 
categories as well (WIP). No functionality change yet.

llvm-svn: 85423
 2009-10-28 20:37:47 +00:00
Zhongxing Xu cb131542f1 make CallGraph more flexible by letting it accept ASTContext instead of ASTUnit. 
Patch by Simone Pellegrini.

llvm-svn: 85386
 2009-10-28 12:23:03 +00:00
Zhongxing Xu b7945461cb 'error' is usually used as a noreturn function. This can suppress some false 
warnings. Eventually we need a way to import externally defined functions
summaries.

llvm-svn: 85092
 2009-10-26 05:18:31 +00:00
Douglas Gregor 4bd90e53c2 Eliminate QualifiedDeclRefExpr, which captured the notion of a 
qualified reference to a declaration that is not a non-static data
member or non-static member function, e.g., 

  namespace N { int i; }
  int j = N::i;

Instead, extend DeclRefExpr to optionally store the qualifier. Most
clients won't see or care about the difference (since
QualifierDeclRefExpr inherited DeclRefExpr). However, this reduces the
number of top-level expression types that clients need to cope with,
brings the implementation of DeclRefExpr into line with MemberExpr,
and simplifies and unifies our handling of declaration references.

Extended DeclRefExpr to (optionally) store explicitly-specified
template arguments. This occurs when naming a declaration via a
template-id (which will be stored in a TemplateIdRefExpr) that,
following template argument deduction and (possibly) overload
resolution, is replaced with a DeclRefExpr that refers to a template
specialization but maintains the template arguments as written.

llvm-svn: 84962
 2009-10-23 18:54:35 +00:00
Zhongxing Xu 4611aee0ac Rename: CheckBadDiv->CheckDivZero. 
llvm-svn: 84824
 2009-10-22 01:58:10 +00:00
Zhongxing Xu 2ebee13ff2 Simplify some code. No functionality change. 
llvm-svn: 84757
 2009-10-21 11:42:22 +00:00
Ted Kremenek ab929bb352 Remove stale comment and tighten code. 
llvm-svn: 84697
 2009-10-20 23:59:28 +00:00
Ted Kremenek 8aed49000d Use llvm::OwningPtr in CFGBuilder, fixing a leak on an error path. 
llvm-svn: 84695
 2009-10-20 23:46:25 +00:00
Ted Kremenek d45ff6cced Add destructor and cleanup code to LocationContext (fixing some leaks). Along the way, have 
AnalysisManager periodically cleanup its AnalysisContextManager and LocationContextManager objects,
as they don't need to forever retain all the CFGs ever created when analyzing a file.

llvm-svn: 84684
 2009-10-20 21:39:41 +00:00
Ted Kremenek 481c121ab5 RegionStore: Use the *default* binding (instead of the *direct* binding) of an Objective-C object 
region when doing lazy value retrieval of an ivar.

This fixes: <rdar://problem/7312221>

llvm-svn: 84584
 2009-10-20 01:20:57 +00:00
Ted Kremenek 90c953e98f retain/release checker: allow 'new', 'copy', 'alloc', 'init' prefix to start before '_' when determining Cocoa fundamental rule. 
Fixes: <rdar://problem/7265711>
llvm-svn: 84569
 2009-10-20 00:13:00 +00:00
Daniel Dunbar 07d0785dbb PR5218: Replace IdentifierInfo::getName with StringRef version, now that clients 
are updated.

llvm-svn: 84447
 2009-10-18 21:17:35 +00:00
Daniel Dunbar 70e7eadd15 Move misc clients to IdentifierInfo StringRef API. 
- strcmp -> ==
 - OS.write(II->getName() ...) -> OS << II->getNameStr()
 - Avoid std::string concatenation
 - Use getNameStr().str() when an std::string is really needed.

llvm-svn: 84437
 2009-10-18 20:26:27 +00:00
Daniel Dunbar 2c422dc9ca Move clients to use IdentifierInfo::getNameStart() instead of getName() 
llvm-svn: 84436
 2009-10-18 20:26:12 +00:00