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140 Commits

Author SHA1 Message Date
Ted Kremenek 57859c56c8 Also include the pointer address of the ExplodedNode 
when generating DOT output for an ExplodedGraph.

llvm-svn: 120794
 2010-12-03 06:52:26 +00:00
Ted Kremenek 90af90967a Merge ValueManager into SValBuilder. 
llvm-svn: 120696
 2010-12-02 07:49:45 +00:00
John McCall b7bd14fa08 Simplify the ASTs by consolidating ObjCImplicitGetterSetterExpr and ObjCPropertyRefExpr 
into the latter.

llvm-svn: 120643
 2010-12-02 01:19:52 +00:00
Ted Kremenek c5bea1e337 Rename all 'AssumeXXX' methods in libChecker 
to 'assumeXXX'.

llvm-svn: 120614
 2010-12-01 22:16:56 +00:00
Ted Kremenek dc891429e4 Rename all 'EvalXXX' methods in libChecker to 
'evalXXX'.

llvm-svn: 120609
 2010-12-01 21:57:22 +00:00
Ted Kremenek 9d0bb1e366 Rename 'SValuator' to 'SValBuilder'. The new name 
reflects what the class actually does.

llvm-svn: 120605
 2010-12-01 21:28:31 +00:00
John McCall f3735e01ce Restore the lvalue-to-rvalue conversion patch with a minimal fix. 
llvm-svn: 120555
 2010-12-01 04:43:34 +00:00
John McCall 4f22c9de48 L-value to r-value conversion is not ready for prime-time. 
llvm-svn: 120433
 2010-11-30 17:58:55 +00:00
John McCall 824fd1dcff Introduce an r-value to l-value cast kind. I'm not promising anything 
about the reliability of this yet.

llvm-svn: 120422
 2010-11-30 10:13:06 +00:00
Zhongxing Xu ec0b8e32ee Regionstore: support derived-to-base cast by creating a CXXBaseObjectRegion. 
llvm-svn: 120173
 2010-11-26 08:21:53 +00:00
Zhongxing Xu 16278859e8 For CFGAutomaticObjDtor, the type may be reference type, e.g., const A &c = A(); 
Also apply some new coding style.

llvm-svn: 120144
 2010-11-25 06:35:14 +00:00
Zhongxing Xu 33f13595c9 handle CXXFunctionalCastExpr in visitLValue and Environment. 
llvm-svn: 120143
 2010-11-25 03:18:57 +00:00
Zhongxing Xu a1a9ba11b7 Let StackFrameContext represent if the call expr is evaluated as lvalue. 
This is required for supporting const reference to temporary objects.

llvm-svn: 120093
 2010-11-24 13:08:51 +00:00
Zhongxing Xu cb29802198 Use StackFrameContext directly in CallEnter program point. Then we don't need 
to remake the stackframe everytime in GRExprEngine::ProcessCallEnter().

llvm-svn: 120087
 2010-11-24 08:53:20 +00:00
Zhanyong Wan 8e82c6372a Add an assert() to catch errors using EvalLoad(). Reviewed by kremenek. 
llvm-svn: 120073
 2010-11-24 01:47:11 +00:00
Zhongxing Xu 2c966716ff Handle CFGAutomaticObjDtor. 
llvm-svn: 119897
 2010-11-20 06:53:12 +00:00
Marcin Swiderski e5a1e8ae12 Added method for handling CXXOperatorCallExpr differently from CallExpr if CXXOperatorCallExpr represents method call. 
Also fixed returning ExpolodedNodeSet from VisitCXXMethodCallExpr.

llvm-svn: 119684
 2010-11-18 06:29:23 +00:00
Zhongxing Xu 33d7ea9355 Add skeleton for handling various cfg dtors. 
llvm-svn: 119491
 2010-11-17 09:16:19 +00:00
Zhongxing Xu 1ade3267d7 Handle member initializer in C++ ctor. 
- Add a new Kind of ProgramPoint: PostInitializer.
 - Still use GRStmtNodeBuilder. But special handling PostInitializer in 
   GRStmtNodeBuilder::GenerateAutoTransition().
 - Someday we should clean up the interface of GRStmtNodeBuilder.

llvm-svn: 119335
 2010-11-16 07:52:17 +00:00
John McCall d50a27111c Kill CK_Unknown and flesh out the documentation for the existing CastKinds. 
llvm-svn: 119331
 2010-11-16 05:46:29 +00:00
John McCall 8d69a2160e Add a new expression kind, OpaqueValueExpr, which is useful for 
certain internal type-checking procedures as well as for representing
certain implicitly-generated operations.  Uses to follow.

llvm-svn: 119289
 2010-11-15 23:31:06 +00:00
John McCall 8cb679e4e1 Assorted work leading towards the elimination of CK_Unknown. 
llvm-svn: 119138
 2010-11-15 09:13:47 +00:00
Zhongxing Xu 5d30c69813 Add skeleton for handling other kinds of CFGElements. 
llvm-svn: 119135
 2010-11-15 08:48:43 +00:00
John McCall d764625448 Add a few more complex-related cast kinds that arise due to arbitrary 
implicit conversions;  the last batch was specific to promotions.
I think this is the full set we need.  I do think dividing the cast
kinds into floating and integral is probably a good idea.

Annotate a *lot* more C casts with useful cast kinds.

llvm-svn: 119036
 2010-11-14 08:17:51 +00:00
John McCall c5e62b47af Introduce five new cast kinds for various conversions into and 
between complex types.

llvm-svn: 118994
 2010-11-13 09:02:35 +00:00
John McCall e84af4e486 Introduce a null-to-pointer implicit cast kind. 
llvm-svn: 118966
 2010-11-13 01:35:44 +00:00
Zhongxing Xu 627a1868d2 Now initializer of C++ record type is visited as block-level expr. 
Let the destination of AggExprVisitor be an explicit MemRegion. 
Reenable the test case.

llvm-svn: 117908
 2010-11-01 09:09:44 +00:00
Ted Kremenek 982b32b1b6 Remove obsolete GRAuditor and GRSimpleAPICheck, which have been completely subsumed by the Checker interface. 
llvm-svn: 116973
 2010-10-20 23:48:34 +00:00
Fariborz Jahanian 681c0754d9 Eliminate usage of ObjCSuperExpr used for 
'super' as receiver of property or a setter/getter
methods. //rdar: //8525788

llvm-svn: 116483
 2010-10-14 16:04:05 +00:00
Zhongxing Xu 23e082d32c Call PreVisitDeclStmt for C++ aggregate initializers. Patch by Jim Goodnow II. 
llvm-svn: 116473
 2010-10-14 05:22:59 +00:00
Ted Kremenek fd5856adcb Refactor GRExprEngine::VisitCall() to use EvalArguments(), just like VisitCXXMemberCallExpr(). Ideally we should unify these code paths as much as possible, since they only differ by a few details. 
llvm-svn: 114628
 2010-09-23 05:14:51 +00:00
Tom Care 58191966bc Refactored BugReporter to refer to EndNode as ErrorNode. We currently make the assumption that EndNode == ErrorNode, but upcoming changes will break this. 
llvm-svn: 114065
 2010-09-16 03:50:38 +00:00
Zhongxing Xu 2cd7a78c76 Introduce new CFGElement hierarchy to support C++ CFG, based on Marcin's patch 
and discussions with Ted and Jordy.

llvm-svn: 114056
 2010-09-16 01:25:47 +00:00
Tom Care c88ed9561e Rename 'MaxLoop' to 'MaxVisit' in AnalysisManager to more correctly reflect that we aborted analysis may not necessarily be due to a loop. 
llvm-svn: 113862
 2010-09-14 21:35:27 +00:00
Sebastian Redl 9ac55dd8e4 Serialization support for CXXNoexceptExpr. 
llvm-svn: 113627
 2010-09-10 20:55:54 +00:00
Ted Kremenek e495c99055 Implement: <rdar://problem/6351970> rule request: warn if @synchronized mutex can be nil 
llvm-svn: 113573
 2010-09-10 03:05:40 +00:00
Ted Kremenek ed12f1b9f9 Add ObjCAtSynchronizedStmt to the CFG and add GRExprEngine support (PreVisit for checkers). 
llvm-svn: 113572
 2010-09-10 03:05:33 +00:00
Benjamin Kramer d4b4b7e8a1 Remove unused variable. 
llvm-svn: 113482
 2010-09-09 12:27:34 +00:00
Ted Kremenek 5f256da834 Rename GRState::getSVal() -> getRawSVal() and getSimplifiedSVal() -> getSVal(). 
The end result is now we eagarly constant-fold symbols in the analyzer that are perfectly constrained
to be a constant value.  This allows us to recover some path-sensitivity in some cases by lowering
the required level of reasoning power needed to evaluate some expressions.

The net win from this change is that the false positive in PR 8015 is fixed, and we also
find more idempotent operations bugs.

We do, however, regress with the BugReporterVisitors, which need to be modified to understand
this constant folding (and look past it).  This causes some diagnostic regressions in plist-output.m
which will get addressed in a future patch.  plist-output.m is now marked XFAIL, while
plist-output-alternate.m now tests that the plist output is working, but with the suboptimal
diagnostics.  This second test file will eventually be removed.

llvm-svn: 113477
 2010-09-09 07:13:00 +00:00
Ted Kremenek 8f0e834c4c Static analyzer fix: <rdar://problem/5880430> Switch on enum should not consider default case live if all enum values are covered 
llvm-svn: 113457
 2010-09-09 00:40:40 +00:00
Francois Pichet 5cc0a67f08 Fix warnings caused by new CXXUuidofExprClass enumerator. 
llvm-svn: 113444
 2010-09-08 23:47:05 +00:00
Douglas Gregor 6429f5cf29 Eliminate CXXBindReferenceExpr, which was used in a ton of 
well-intentioned but completely unused code.

llvm-svn: 112868
 2010-09-02 21:50:02 +00:00
Zhongxing Xu dcf7b3501d update comments. 
llvm-svn: 112796
 2010-09-02 01:56:39 +00:00
Ted Kremenek 07343c02be For GRExprEngine::EvalBind() (and called visitors), unifiy StoreE and AssignE. Now StoreE (const Stmt*) represents the expression where the store took place, which is the assignment expression if it takes place in an assignment. This removes some conceptual dissidence as well as removes an extra parameter from the Checker::PreVisitBind() visitor. It also improves ranges and source location information in analyzer diagnostics. 
llvm-svn: 112789
 2010-09-02 00:56:20 +00:00
Alexis Hunt 3b7918625c Revert my user-defined literal commits - r1124{58,60,67} pending 
some issues being sorted out.

llvm-svn: 112493
 2010-08-30 17:47:05 +00:00
Alexis Hunt 79eb5469e0 Implement C++0x user-defined string literals. 
The extra data stored on user-defined literal Tokens is stored in extra
allocated memory, which is managed by the PreprocessorLexer because there isn't
a better place to put it that makes sure it gets deallocated, but only after
it's used up. My testing has shown no significant slowdown as a result, but
independent testing would be appreciated.

llvm-svn: 112458
 2010-08-29 21:26:48 +00:00
Ted Kremenek 036223bdcf Fix horrible GRExprEngine bug where switch statements with no 'case:' statements would cause the path to get prematurely aborted. Fixes <rdar://problem/8360854>. 
llvm-svn: 112233
 2010-08-26 22:19:33 +00:00
Ted Kremenek c8bd967430 Remove redundant cast<...>. 
llvm-svn: 112229
 2010-08-26 22:04:01 +00:00
John McCall e302792b61 GCC didn't care for my attempt at API compatibility, so brute-force everything 
to the new constants.

llvm-svn: 112047
 2010-08-25 11:45:40 +00:00
Eli Friedman 04831926ec Detabify. 
llvm-svn: 111768
 2010-08-22 01:00:03 +00:00