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2009-11-17Add EvalEndPath interface to Checker. Now we can check memory leaked at theZhongxing Xu
end of the path. Need to unify interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89063 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Silence some warnings produced by Clang, and add a missing headerDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89051 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Add a comment.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89032 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Fix condition in LocationCheck::classof(). Thanks to Marius Wachtler for ↵Ted Kremenek
pointing this out! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16* Do the same thing to the basicstore as in r84163.Zhongxing Xu
* Add a load type to GRExprEngine::EvalLoad(). * When retrieve from 'theValue' of OSAtomic funcitions, use the type of the region instead of the argument expression as the load type. * Then we can convert CastRetrievedSVal to a pure assertion. In the future we can let all Retrieve() methods simply return SVal. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Make a couple more headers standaloneDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Remove an obviously-broken header, which still tries to refer to ScopedDecl.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88837 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Change *BugReport constructors to take StringRefs.Benjamin Kramer
- Eliminates many calls to std::string.c_str() - Fixes an invalid read in ReturnStackAddressChecker due to an unsafe call to StringRef.data() which doesn't guarantee null-termination. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88779 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Move definition of GRExprEngine::ProcessEndPath() out-of-line.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88729 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Add clang-cc option "--analyzer-experimental-internal-checks". ThisTed Kremenek
option enables new "internal" checks that will eventually be turned on by default but still require broader testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88671 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Check in a new interface of Checker, which will soon be used.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13GRStateManager::CurrentStmt is not used. Remove it.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87091 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Add clang-cc option "-analyzer-experimental-checks" to enable experimental ↵Ted Kremenek
path-sensitive checks. The idea is to separate "barely working" or "skunkworks" checks from ones that should always run. Later we need more fine-grain checker control. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87053 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Remove obsolete 'struct NullDerefTag'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Enhance Checker class (and GRExprEngine) to support PostVisitation for ↵Ted Kremenek
CallExprs. No clients (yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Remove GRExprEngine::EvalCall(). It had a single callsite in GRExprEngine, ↵Ted Kremenek
and was easily inlined. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Make StoreManager::getSizeInElements() always return DefinedOrUnknownSVal.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86932 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Remove some stale ErrorNodes variables in GRExprEngine and the old buffer ↵Ted Kremenek
overflow logic in GRExprEngineInternalChecks.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11After drinking caffeine, add the two files missing from the previous submit.Chandler Carruth
Sorry about that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Add undefined array subscript checker.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86837 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Fix display of "ANALYZE" statements in AnalysisConsumer by correctly ↵Ted Kremenek
resetting the flag indicating that the current Decl* has not yet been displayed. Also move this out of AnalysisManager, since AnalysisManager should not handle text output to the user. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86812 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Remove public headers for UndefinedArgChecker, AttrNonNullChecker, and ↵Ted Kremenek
BadCallChecker, making their implementations completely private. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Refactor DereferenceChecker to use only the new Checker API instead ofTed Kremenek
the old builder API. This percolated a bunch of changes up to the Checker class (where CheckLocation has been renamed VisitLocation) and GRExprEngine. ProgramPoint now has the notion of a "LocationCheck" point (with PreLoad and PreStore respectively), and a bunch of the old ProgramPoints that are no longer used have been removed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86798 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Refine PointerSubChecker: compare the base region instead of the original Zhongxing Xu
region, so that arithmetic within a memory chunk is allowed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86652 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Rename: StripCasts describes what it does better. Zhongxing Xu
getBaseRegion will be used in another method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86649 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add checker for CWE-588: Attempt to Access Child of a Non-structure Pointer.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86529 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add checker for CWE-587: Assignment of a Fixed Address to a Pointer.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86523 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Remove dead code.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86512 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-08Add a checker for CWE-467: Use of sizeof() on a Pointer Type.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86464 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Use SaveAndRestore to simplify logic in LiveVariables::runOnAllBlocks(). ↵Ted Kremenek
Patch by Kovarththanan Rajaratnam! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86343 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Remove Checker::CheckType() (and instead using ↵Ted Kremenek
CheckerVisitor::PreVisitDeclStmt()), and refactor VLASizeChecker to have only one Checker subclass (not two) and to not use the node builders directly (and instead use the newer CheckerContext). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86329 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Make the VLASizeChecker implementation private, and its creation only known ↵Ted Kremenek
to GRExprEngineInternalChecks.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Make the implementation of DivZeroChecker private.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86288 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06add some const qualifiers, patch by Kovarththanan Rajaratnam!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86260 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Add a checker for CWE-466: Return of Pointer Value Outside of Expected Range.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06static analyzer: refactor checking logic for returning the address of a ↵Ted Kremenek
stack variable or a garbage value into their own respective subclasses of Checker (and put them in .cpp files where their implementation details are hidden from GRExprEngine). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Minor cleanup: use BuiltinBug (which will soon be renamed) for ↵Ted Kremenek
DeferenceChecker and friends so that they always report the same bug type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86208 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Tweak wording and classifications of analyzer diagnostics.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Remove unused SetPreprocessor method.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05AnalysisManager: Don't rely on PathDiagnosicClients flushing their ↵Ted Kremenek
diagnostics when they are destroyed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86110 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Acting on Daniel's nagging, remove PathDiagnosticClientFactory() andTed Kremenek
migrate work in the destructors of PathDiagnosticClients from their destructors to FlushReports(). The destructors now currently call FlushReports(); this will be fixed in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86108 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Modify GRExprEngine::EvalBind() to take both a "store expression" andTed Kremenek
an "assign expression", representing the expressions where the value binding occurs and the assignment takes place respectively. These are largely syntactic clues for better error reporting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Catch uses of undefined values when they are used in assignment, thus ↵Ted Kremenek
catching such bugs closer to the source. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Add mising #ifdef guards.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86002 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Merge ZeroSizedVLAChecker and UndefSizedVLAChecker.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85996 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Refactor StoreManager::BindDecl() to take a VarRegion* instead of a ↵Ted Kremenek
VarDecl*, and modify GRExprEngine::EvalBind() to handle decl initialization as well. This paves the way for adding "checker" visitation in EvalBind(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85983 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Change GRTransferFuncs::RegisterChecks() to take a GRExprEngine& instead of ↵Ted Kremenek
a BugReporter&. This paves the way for pulling some of the retain/release checker into a "Checker" class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Merge NullDerefChecker.[h,cpp] and UndefDerefChecker.[h,cpp]. They are ↵Ted Kremenek
essentially two parts of the same check. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85911 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Pull VLA size checker into its own files. Zhongxing Xu
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Implement: <rdar://problem/6250216> Warn against using -[NSAutoreleasePool ↵Ted Kremenek
release] in GC mode git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85887 91177308-0d34-0410-b5e6-96231b3b80d8