diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/ExprEngine.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/ExprEngine.cpp | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp index 3e5733f10c..8e2c159ca7 100644 --- a/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -1515,22 +1515,30 @@ void ExprEngine::VisitMemberExpr(const MemberExpr *M, ExplodedNode *Pred, return; } - // FIXME: Should we insert some assumption logic in here to determine - // if "Base" is a valid piece of memory? Before we put this assumption - // later when using FieldOffset lvals (which we no longer have). - // For all other cases, compute an lvalue. SVal L = state->getLValue(field, baseExprVal); if (M->isGLValue()) { + ExplodedNodeSet Tmp; + Bldr.takeNodes(Pred); + evalLocation(Tmp, M, M, Pred, state, baseExprVal, + /*Tag=*/0, /*isLoad=*/true); + Bldr.addNodes(Tmp); + + const MemRegion *ReferenceRegion = 0; if (field->getType()->isReferenceType()) { - if (const MemRegion *R = L.getAsRegion()) - L = state->getSVal(R); - else + ReferenceRegion = L.getAsRegion(); + if (!ReferenceRegion) L = UnknownVal(); } - Bldr.generateNode(M, Pred, state->BindExpr(M, LCtx, L), 0, - ProgramPoint::PostLValueKind); + for (ExplodedNodeSet::iterator I = Tmp.begin(), E = Tmp.end(); I != E; ++I){ + state = (*I)->getState(); + if (ReferenceRegion) + L = state->getSVal(ReferenceRegion); + + Bldr.generateNode(M, (*I), state->BindExpr(M, LCtx, L), 0, + ProgramPoint::PostLValueKind); + } } else { Bldr.takeNodes(Pred); evalLoad(Dst, M, M, Pred, state, L); |