aboutsummaryrefslogtreecommitdiff
path: root/lib/StaticAnalyzer/Core/ProgramState.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/StaticAnalyzer/Core/ProgramState.cpp')
-rw-r--r--lib/StaticAnalyzer/Core/ProgramState.cpp26
1 files changed, 12 insertions, 14 deletions
diff --git a/lib/StaticAnalyzer/Core/ProgramState.cpp b/lib/StaticAnalyzer/Core/ProgramState.cpp
index c916c1a020..9245a70dd2 100644
--- a/lib/StaticAnalyzer/Core/ProgramState.cpp
+++ b/lib/StaticAnalyzer/Core/ProgramState.cpp
@@ -499,8 +499,6 @@ ProgramStateRef ProgramStateManager::removeGDM(ProgramStateRef state, void *Key)
return getPersistentState(NewState);
}
-void ScanReachableSymbols::anchor() { }
-
bool ScanReachableSymbols::scan(nonloc::CompoundVal val) {
for (nonloc::CompoundVal::iterator I=val.begin(), E=val.end(); I!=E; ++I)
if (!scan(*I))
@@ -578,10 +576,19 @@ bool ScanReachableSymbols::scan(const MemRegion *R) {
return false;
// If this is a subregion, also visit the parent regions.
- if (const SubRegion *SR = dyn_cast<SubRegion>(R))
- if (!scan(SR->getSuperRegion()))
+ if (const SubRegion *SR = dyn_cast<SubRegion>(R)) {
+ const MemRegion *Super = SR->getSuperRegion();
+ if (!scan(Super))
return false;
+ // When we reach the topmost region, scan all symbols in it.
+ if (isa<MemSpaceRegion>(Super)) {
+ StoreManager &StoreMgr = state->getStateManager().getStoreManager();
+ if (!StoreMgr.scanReachableSymbols(state->getStore(), SR, *this))
+ return false;
+ }
+ }
+
// Regions captured by a block are also implicitly reachable.
if (const BlockDataRegion *BDR = dyn_cast<BlockDataRegion>(R)) {
BlockDataRegion::referenced_vars_iterator I = BDR->referenced_vars_begin(),
@@ -592,16 +599,7 @@ bool ScanReachableSymbols::scan(const MemRegion *R) {
}
}
- // Now look at the binding to this region (if any).
- if (!scan(state->getSValAsScalarOrLoc(R)))
- return false;
-
- // Now look at the subregions.
- if (!SRM.get())
- SRM.reset(state->getStateManager().getStoreManager().
- getSubRegionMap(state->getStore()));
-
- return SRM->iterSubRegions(R, *this);
+ return true;
}
bool ProgramState::scanReachableSymbols(SVal val, SymbolVisitor& visitor) const {