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authorTed Kremenek <kremenek@apple.com>2012-08-22 06:00:18 +0000
committerTed Kremenek <kremenek@apple.com>2012-08-22 06:00:18 +0000
commit32a549a64922af0903bdb777613ae7ae4490b70f (patch)
tree91069058bf09208d839c67a2d33f6828b9c20806
parent5be88dc79d2768d67371103b6535fb8c4a6f27a1 (diff)
Remove Store::bindDecl() and Store::bindDeclWithNoInit(), and
all forwarding methods. This functionality is already covered by bindLoc(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162346 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h8
-rw-r--r--include/clang/StaticAnalyzer/Core/PathSensitive/Store.h4
-rw-r--r--lib/StaticAnalyzer/Core/ExprEngine.cpp32
-rw-r--r--lib/StaticAnalyzer/Core/ExprEngineC.cpp2
-rw-r--r--lib/StaticAnalyzer/Core/ProgramState.cpp16
-rw-r--r--lib/StaticAnalyzer/Core/RegionStore.cpp21
6 files changed, 26 insertions, 57 deletions
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h b/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
index 68aed1efd5..f517019482 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
@@ -228,12 +228,10 @@ public:
ProgramStateRef bindExprAndLocation(const Stmt *S,
const LocationContext *LCtx,
SVal location, SVal V) const;
-
- ProgramStateRef bindDecl(const VarRegion *VR, SVal V) const;
-
- ProgramStateRef bindDeclWithNoInit(const VarRegion *VR) const;
- ProgramStateRef bindLoc(Loc location, SVal V) const;
+ ProgramStateRef bindLoc(Loc location,
+ SVal V,
+ bool notifyChanges = true) const;
ProgramStateRef bindLoc(SVal location, SVal V) const;
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h b/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h
index 6492bc360c..5619e7d4be 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h
@@ -148,10 +148,6 @@ public:
virtual StoreRef removeDeadBindings(Store store, const StackFrameContext *LCtx,
SymbolReaper& SymReaper) = 0;
- virtual StoreRef BindDecl(Store store, const VarRegion *VR, SVal initVal) = 0;
-
- virtual StoreRef BindDeclWithNoInit(Store store, const VarRegion *VR) = 0;
-
virtual bool includedInBindings(Store store,
const MemRegion *region) const = 0;
diff --git a/lib/StaticAnalyzer/Core/ExprEngine.cpp b/lib/StaticAnalyzer/Core/ExprEngine.cpp
index d7666829d5..031aa9b98f 100644
--- a/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -1540,7 +1540,8 @@ void ExprEngine::VisitMemberExpr(const MemberExpr *M, ExplodedNode *Pred,
/// This method is used by evalStore and (soon) VisitDeclStmt, and others.
void ExprEngine::evalBind(ExplodedNodeSet &Dst, const Stmt *StoreE,
ExplodedNode *Pred,
- SVal location, SVal Val, bool atDeclInit) {
+ SVal location, SVal Val,
+ bool atDeclInit) {
// Do a previsit of the bind.
ExplodedNodeSet CheckedSet;
@@ -1548,6 +1549,13 @@ void ExprEngine::evalBind(ExplodedNodeSet &Dst, const Stmt *StoreE,
StoreE, *this,
ProgramPoint::PostStmtKind);
+ // If the location is not a 'Loc', it will already be handled by
+ // the checkers. There is nothing left to do.
+ if (!isa<Loc>(location)) {
+ Dst = CheckedSet;
+ return;
+ }
+
ExplodedNodeSet TmpDst;
StmtNodeBuilder Bldr(CheckedSet, TmpDst, *currentBuilderContext);
@@ -1556,24 +1564,20 @@ void ExprEngine::evalBind(ExplodedNodeSet &Dst, const Stmt *StoreE,
I!=E; ++I) {
ExplodedNode *PredI = *I;
ProgramStateRef state = PredI->getState();
-
- if (atDeclInit) {
- const VarRegion *VR =
- cast<VarRegion>(cast<loc::MemRegionVal>(location).getRegion());
-
- state = state->bindDecl(VR, Val);
- } else {
- state = state->bindLoc(location, Val);
- }
-
+
+ // When binding the value, pass on the hint that this is a initialization.
+ // For initializations, we do not need to inform clients of region
+ // changes.
+ state = state->bindLoc(cast<Loc>(location),
+ Val, /* notifyChanges = */ !atDeclInit);
+
const MemRegion *LocReg = 0;
- if (loc::MemRegionVal *LocRegVal = dyn_cast<loc::MemRegionVal>(&location))
+ if (loc::MemRegionVal *LocRegVal = dyn_cast<loc::MemRegionVal>(&location)) {
LocReg = LocRegVal->getRegion();
-
+ }
const ProgramPoint L = PostStore(StoreE, LC, LocReg, 0);
Bldr.generateNode(L, state, PredI);
}
-
Dst.insert(TmpDst);
}
diff --git a/lib/StaticAnalyzer/Core/ExprEngineC.cpp b/lib/StaticAnalyzer/Core/ExprEngineC.cpp
index 2895e26da3..87fdfc2650 100644
--- a/lib/StaticAnalyzer/Core/ExprEngineC.cpp
+++ b/lib/StaticAnalyzer/Core/ExprEngineC.cpp
@@ -487,7 +487,7 @@ void ExprEngine::VisitDeclStmt(const DeclStmt *DS, ExplodedNode *Pred,
}
}
else {
- B.generateNode(DS, N,state->bindDeclWithNoInit(state->getRegion(VD, LC)));
+ B.generateNode(DS, N, state);
}
}
}
diff --git a/lib/StaticAnalyzer/Core/ProgramState.cpp b/lib/StaticAnalyzer/Core/ProgramState.cpp
index d0cd9975b9..f1c63bdd38 100644
--- a/lib/StaticAnalyzer/Core/ProgramState.cpp
+++ b/lib/StaticAnalyzer/Core/ProgramState.cpp
@@ -133,24 +133,12 @@ ProgramStateRef ProgramState::bindCompoundLiteral(const CompoundLiteralExpr *CL,
return makeWithStore(newStore);
}
-ProgramStateRef ProgramState::bindDecl(const VarRegion* VR, SVal IVal) const {
- const StoreRef &newStore =
- getStateManager().StoreMgr->BindDecl(getStore(), VR, IVal);
- return makeWithStore(newStore);
-}
-
-ProgramStateRef ProgramState::bindDeclWithNoInit(const VarRegion* VR) const {
- const StoreRef &newStore =
- getStateManager().StoreMgr->BindDeclWithNoInit(getStore(), VR);
- return makeWithStore(newStore);
-}
-
-ProgramStateRef ProgramState::bindLoc(Loc LV, SVal V) const {
+ProgramStateRef ProgramState::bindLoc(Loc LV, SVal V, bool notifyChanges) const {
ProgramStateManager &Mgr = getStateManager();
ProgramStateRef newState = makeWithStore(Mgr.StoreMgr->Bind(getStore(),
LV, V));
const MemRegion *MR = LV.getAsRegion();
- if (MR && Mgr.getOwningEngine())
+ if (MR && Mgr.getOwningEngine() && notifyChanges)
return Mgr.getOwningEngine()->processRegionChange(newState, MR);
return newState;
diff --git a/lib/StaticAnalyzer/Core/RegionStore.cpp b/lib/StaticAnalyzer/Core/RegionStore.cpp
index 59d3807e54..0d7480eba3 100644
--- a/lib/StaticAnalyzer/Core/RegionStore.cpp
+++ b/lib/StaticAnalyzer/Core/RegionStore.cpp
@@ -280,12 +280,6 @@ public: // Part of public interface to class.
const CompoundLiteralExpr *CL,
const LocationContext *LC, SVal V);
- StoreRef BindDecl(Store store, const VarRegion *VR, SVal InitVal);
-
- StoreRef BindDeclWithNoInit(Store store, const VarRegion *) {
- return StoreRef(store, *this);
- }
-
/// BindStruct - Bind a compound value to a structure.
StoreRef BindStruct(Store store, const TypedValueRegion* R, SVal V);
@@ -1567,6 +1561,8 @@ StoreRef RegionStoreManager::Bind(Store store, Loc L, SVal V) {
// Check if the region is a struct region.
if (const TypedValueRegion* TR = dyn_cast<TypedValueRegion>(R)) {
QualType Ty = TR->getValueType();
+ if (Ty->isArrayType())
+ return BindArray(store, TR, V);
if (Ty->isStructureOrClassType())
return BindStruct(store, TR, V);
if (Ty->isVectorType())
@@ -1596,19 +1592,6 @@ StoreRef RegionStoreManager::Bind(Store store, Loc L, SVal V) {
return StoreRef(addBinding(B, Key, V).getRootWithoutRetain(), *this);
}
-StoreRef RegionStoreManager::BindDecl(Store store, const VarRegion *VR,
- SVal InitVal) {
-
- QualType T = VR->getDecl()->getType();
-
- if (T->isArrayType())
- return BindArray(store, VR, InitVal);
- if (T->isStructureOrClassType())
- return BindStruct(store, VR, InitVal);
-
- return Bind(store, svalBuilder.makeLoc(VR), InitVal);
-}
-
// FIXME: this method should be merged into Bind().
StoreRef RegionStoreManager::bindCompoundLiteral(Store ST,
const CompoundLiteralExpr *CL,