[analyzer] Refactoring: Move checkers into lib/GR/Checkers and their own library, libclangGRCheckers

llvm-svn: 122422

llvm-svn: 122421

llvm-svn: 113573

Removed IdempotentOperationChecker from default analysis and returned back to a flag (-analyzer-check-idempotent-operations)
- Added IdempotentOperationChecker to experimental analyses for testing purposes
- Updated test cases to explictly call the checker

llvm-svn: 110482

Improved false positive rate for the idempotent operations checker and moved it into the default path-sensitive analysis options.
- Added checks for static local variables, self assigned parameters, and truncating/extending self assignments
- Removed command line option (now default with --analyze)
- Updated test cases to pass with idempotent operation warnings

llvm-svn: 108550

llvm-svn: 105687

the function call is left where the local variable is declared.

llvm-svn: 105602

whether the size of the symbolic region is a multiple of the size of T.
Fixes PR6123 and PR7217.

llvm-svn: 104584

to various MacOS X functions.  The checks in BasicObjCFoundationChecks.cpp will
gradually be migrated here.

As a first check, check that when 'dispatch_once()' is passed a predicate value
that has non-local storage.

llvm-svn: 97116

to various unix/posix functions, e.g. 'open()'.

As a first check, check that when 'open()' is passed 'O_CREAT' that it has
a third argument.

llvm-svn: 97086

llvm-svn: 97083

llvm-svn: 97082

llvm-svn: 96341

a different return type.  While we don't emit any errors (yet), at
least we avoid cases where we might crash because of an assertion
failure later on (when the return type differs from what is expected).

llvm-svn: 95268

(1) libAnalysis is a generic analysis library that can be used by
    Sema.  It defines the CFG, basic dataflow analysis primitives, and
    inexpensive flow-sensitive analyses (e.g. LiveVariables).

(2) libChecker contains the guts of the static analyzer, incuding the
    path-sensitive analysis engine and domain-specific checks.

Now any clients that want to use the frontend to build their own tools
don't need to link in the entire static analyzer.

This change exposes various obvious cleanups that can be made to the
layout of files and headers in libChecker.  More changes pending.  :)

This change also exposed a layering violation between AnalysisContext
and MemRegion.  BlockInvocationContext shouldn't explicitly know about
BlockDataRegions.  For now I've removed the BlockDataRegion* from
BlockInvocationContext (removing context-sensitivity; although this
wasn't used yet).  We need to have a better way to extend
BlockInvocationContext (and any LocationContext) to add
context-sensitivty.

llvm-svn: 94406

llvm-svn: 90968

llvm-svn: 90847

handler to this interface.
GRExprEngine::CheckerEvalCall() will return true if one of the checkers has
processed the node. In the future this might return void when we have some 
default checker.

llvm-svn: 90755

llvm-svn: 89750

llvm-svn: 89735

in the checker directly. But I don't have a better approach for now.

llvm-svn: 89640

llvm-svn: 89585

Pull BadCallChecker int UndefinedArgChecker, and have UndefinedArgChecker also handled undefined receivers in message expressions.

llvm-svn: 89524

llvm-svn: 86837

Now only one test case is XFAIL'ed.

llvm-svn: 86834

Remove public headers for UndefinedArgChecker, AttrNonNullChecker, and BadCallChecker, making their implementations completely private.

llvm-svn: 86809

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.

llvm-svn: 86798

llvm-svn: 86538

llvm-svn: 86529

llvm-svn: 86523

checker does not build sink nodes. Because svaluator computes an unknown value
for the subtraction now.

llvm-svn: 86517

Make the VLASizeChecker implementation private, and its creation only known to GRExprEngineInternalChecks.cpp.

llvm-svn: 86292

llvm-svn: 86288

llvm-svn: 86252

value into their own respective subclasses of Checker (and put them in .cpp files where their
implementation details are hidden from GRExprEngine).

llvm-svn: 86215