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-rw-r--r--lib/Checker/GRExprEngine.cpp222
1 files changed, 115 insertions, 107 deletions
diff --git a/lib/Checker/GRExprEngine.cpp b/lib/Checker/GRExprEngine.cpp
index d44b4febfc..364f06d460 100644
--- a/lib/Checker/GRExprEngine.cpp
+++ b/lib/Checker/GRExprEngine.cpp
@@ -169,7 +169,7 @@ public:
// Checker worklist routines.
//===----------------------------------------------------------------------===//
-void GRExprEngine::CheckerVisit(Stmt *S, ExplodedNodeSet &Dst,
+void GRExprEngine::CheckerVisit(const Stmt *S, ExplodedNodeSet &Dst,
ExplodedNodeSet &Src, bool isPrevisit) {
// Determine if we already have a cached 'CheckersOrdered' vector
@@ -522,7 +522,7 @@ void GRExprEngine::ProcessEndWorklist(bool hasWorkRemaining) {
}
}
-void GRExprEngine::ProcessStmt(CFGElement CE, GRStmtNodeBuilder& builder) {
+void GRExprEngine::ProcessStmt(const CFGElement CE,GRStmtNodeBuilder& builder) {
CurrentStmt = CE.getStmt();
PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(),
CurrentStmt->getLocStart(),
@@ -626,7 +626,8 @@ void GRExprEngine::ProcessStmt(CFGElement CE, GRStmtNodeBuilder& builder) {
Builder = NULL;
}
-void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
+void GRExprEngine::Visit(const Stmt* S, ExplodedNode* Pred,
+ ExplodedNodeSet& Dst) {
PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(),
S->getLocStart(),
"Error evaluating statement");
@@ -741,7 +742,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
break;
case Stmt::BinaryOperatorClass: {
- BinaryOperator* B = cast<BinaryOperator>(S);
+ const BinaryOperator* B = cast<BinaryOperator>(S);
if (B->isLogicalOp()) {
VisitLogicalExpr(B, Pred, Dst);
@@ -767,25 +768,25 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
case Stmt::CallExprClass:
case Stmt::CXXOperatorCallExprClass: {
- CallExpr* C = cast<CallExpr>(S);
+ const CallExpr* C = cast<CallExpr>(S);
VisitCall(C, Pred, C->arg_begin(), C->arg_end(), Dst, false);
break;
}
case Stmt::CXXMemberCallExprClass: {
- CXXMemberCallExpr *MCE = cast<CXXMemberCallExpr>(S);
+ const CXXMemberCallExpr *MCE = cast<CXXMemberCallExpr>(S);
VisitCXXMemberCallExpr(MCE, Pred, Dst);
break;
}
case Stmt::CXXNewExprClass: {
- CXXNewExpr *NE = cast<CXXNewExpr>(S);
+ const CXXNewExpr *NE = cast<CXXNewExpr>(S);
VisitCXXNewExpr(NE, Pred, Dst);
break;
}
case Stmt::CXXDeleteExprClass: {
- CXXDeleteExpr *CDE = cast<CXXDeleteExpr>(S);
+ const CXXDeleteExpr *CDE = cast<CXXDeleteExpr>(S);
VisitCXXDeleteExpr(CDE, Pred, Dst);
break;
}
@@ -793,7 +794,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
// the CFG do not model them as explicit control-flow.
case Stmt::ChooseExprClass: { // __builtin_choose_expr
- ChooseExpr* C = cast<ChooseExpr>(S);
+ const ChooseExpr* C = cast<ChooseExpr>(S);
VisitGuardedExpr(C, C->getLHS(), C->getRHS(), Pred, Dst);
break;
}
@@ -807,7 +808,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
break;
case Stmt::ConditionalOperatorClass: { // '?' operator
- ConditionalOperator* C = cast<ConditionalOperator>(S);
+ const ConditionalOperator* C = cast<ConditionalOperator>(S);
VisitGuardedExpr(C, C->getLHS(), C->getRHS(), Pred, Dst);
break;
}
@@ -837,7 +838,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
case Stmt::CXXReinterpretCastExprClass:
case Stmt::CXXConstCastExprClass:
case Stmt::CXXFunctionalCastExprClass: {
- CastExpr* C = cast<CastExpr>(S);
+ const CastExpr* C = cast<CastExpr>(S);
VisitCast(C, C->getSubExpr(), Pred, Dst, false);
break;
}
@@ -894,7 +895,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
break;
case Stmt::StmtExprClass: {
- StmtExpr* SE = cast<StmtExpr>(S);
+ const StmtExpr* SE = cast<StmtExpr>(S);
if (SE->getSubStmt()->body_empty()) {
// Empty statement expression.
@@ -925,7 +926,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
break;
case Stmt::UnaryOperatorClass: {
- UnaryOperator *U = cast<UnaryOperator>(S);
+ const UnaryOperator *U = cast<UnaryOperator>(S);
if (AMgr.shouldEagerlyAssume()&&(U->getOpcode() == UnaryOperator::LNot)) {
ExplodedNodeSet Tmp;
VisitUnaryOperator(U, Pred, Tmp, false);
@@ -944,7 +945,7 @@ void GRExprEngine::Visit(Stmt* S, ExplodedNode* Pred, ExplodedNodeSet& Dst) {
}
}
-void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
+void GRExprEngine::VisitLValue(const Expr* Ex, ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(),
@@ -985,7 +986,7 @@ void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
case Stmt::CallExprClass:
case Stmt::CXXOperatorCallExprClass: {
- CallExpr *C = cast<CallExpr>(Ex);
+ const CallExpr *C = cast<CallExpr>(Ex);
assert(CalleeReturnsReferenceOrRecord(C));
VisitCall(C, Pred, C->arg_begin(), C->arg_end(), Dst, true);
break;
@@ -1001,7 +1002,7 @@ void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
case Stmt::ImplicitCastExprClass:
case Stmt::CStyleCastExprClass: {
- CastExpr *C = cast<CastExpr>(Ex);
+ const CastExpr *C = cast<CastExpr>(Ex);
QualType T = Ex->getType();
VisitCast(C, C->getSubExpr(), Pred, Dst, true);
break;
@@ -1016,7 +1017,7 @@ void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
return;
case Stmt::ObjCMessageExprClass: {
- ObjCMessageExpr *ME = cast<ObjCMessageExpr>(Ex);
+ const ObjCMessageExpr *ME = cast<ObjCMessageExpr>(Ex);
assert(ReceiverReturnsReferenceOrRecord(ME));
VisitObjCMessageExpr(ME, Pred, Dst, true);
return;
@@ -1082,7 +1083,8 @@ void GRExprEngine::VisitLValue(Expr* Ex, ExplodedNode* Pred,
// Block entrance. (Update counters).
//===----------------------------------------------------------------------===//
-bool GRExprEngine::ProcessBlockEntrance(CFGBlock* B, const ExplodedNode *Pred,
+bool GRExprEngine::ProcessBlockEntrance(const CFGBlock* B,
+ const ExplodedNode *Pred,
GRBlockCounter BC) {
return BC.getNumVisited(Pred->getLocationContext()->getCurrentStackFrame(),
B->getBlockID()) < AMgr.getMaxLoop();
@@ -1106,8 +1108,8 @@ ExplodedNode* GRExprEngine::MakeNode(ExplodedNodeSet& Dst, const Stmt* S,
//===----------------------------------------------------------------------===//
const GRState* GRExprEngine::MarkBranch(const GRState* state,
- Stmt* Terminator,
- bool branchTaken) {
+ const Stmt* Terminator,
+ bool branchTaken) {
switch (Terminator->getStmtClass()) {
default:
@@ -1115,7 +1117,7 @@ const GRState* GRExprEngine::MarkBranch(const GRState* state,
case Stmt::BinaryOperatorClass: { // '&&' and '||'
- BinaryOperator* B = cast<BinaryOperator>(Terminator);
+ const BinaryOperator* B = cast<BinaryOperator>(Terminator);
BinaryOperator::Opcode Op = B->getOpcode();
assert (Op == BinaryOperator::LAnd || Op == BinaryOperator::LOr);
@@ -1126,21 +1128,21 @@ const GRState* GRExprEngine::MarkBranch(const GRState* state,
// For ||, if we take the false branch, then the value of the whole
// expression is that of the RHS expression.
- Expr* Ex = (Op == BinaryOperator::LAnd && branchTaken) ||
- (Op == BinaryOperator::LOr && !branchTaken)
- ? B->getRHS() : B->getLHS();
+ const Expr* Ex = (Op == BinaryOperator::LAnd && branchTaken) ||
+ (Op == BinaryOperator::LOr && !branchTaken)
+ ? B->getRHS() : B->getLHS();
return state->BindExpr(B, UndefinedVal(Ex));
}
case Stmt::ConditionalOperatorClass: { // ?:
- ConditionalOperator* C = cast<ConditionalOperator>(Terminator);
+ const ConditionalOperator* C = cast<ConditionalOperator>(Terminator);
// For ?, if branchTaken == true then the value is either the LHS or
// the condition itself. (GNU extension).
- Expr* Ex;
+ const Expr* Ex;
if (branchTaken)
Ex = C->getLHS() ? C->getLHS() : C->getCond();
@@ -1152,9 +1154,9 @@ const GRState* GRExprEngine::MarkBranch(const GRState* state,
case Stmt::ChooseExprClass: { // ?:
- ChooseExpr* C = cast<ChooseExpr>(Terminator);
+ const ChooseExpr* C = cast<ChooseExpr>(Terminator);
- Expr* Ex = branchTaken ? C->getLHS() : C->getRHS();
+ const Expr* Ex = branchTaken ? C->getLHS() : C->getRHS();
return state->BindExpr(C, UndefinedVal(Ex));
}
}
@@ -1166,16 +1168,16 @@ const GRState* GRExprEngine::MarkBranch(const GRState* state,
/// This function returns the SVal bound to Condition->IgnoreCasts if all the
// cast(s) did was sign-extend the original value.
static SVal RecoverCastedSymbol(GRStateManager& StateMgr, const GRState* state,
- Stmt* Condition, ASTContext& Ctx) {
+ const Stmt* Condition, ASTContext& Ctx) {
- Expr *Ex = dyn_cast<Expr>(Condition);
+ const Expr *Ex = dyn_cast<Expr>(Condition);
if (!Ex)
return UnknownVal();
uint64_t bits = 0;
bool bitsInit = false;
- while (CastExpr *CE = dyn_cast<CastExpr>(Ex)) {
+ while (const CastExpr *CE = dyn_cast<CastExpr>(Ex)) {
QualType T = CE->getType();
if (!T->isIntegerType())
@@ -1199,7 +1201,7 @@ static SVal RecoverCastedSymbol(GRStateManager& StateMgr, const GRState* state,
return state->getSVal(Ex);
}
-void GRExprEngine::ProcessBranch(Stmt* Condition, Stmt* Term,
+void GRExprEngine::ProcessBranch(const Stmt* Condition, const Stmt* Term,
GRBranchNodeBuilder& builder) {
// Check for NULL conditions; e.g. "for(;;)"
@@ -1286,7 +1288,7 @@ void GRExprEngine::ProcessIndirectGoto(GRIndirectGotoNodeBuilder& builder) {
typedef GRIndirectGotoNodeBuilder::iterator iterator;
if (isa<loc::GotoLabel>(V)) {
- LabelStmt* L = cast<loc::GotoLabel>(V).getLabel();
+ const LabelStmt* L = cast<loc::GotoLabel>(V).getLabel();
for (iterator I=builder.begin(), E=builder.end(); I != E; ++I) {
if (I.getLabel() == L) {
@@ -1315,7 +1317,8 @@ void GRExprEngine::ProcessIndirectGoto(GRIndirectGotoNodeBuilder& builder) {
}
-void GRExprEngine::VisitGuardedExpr(Expr* Ex, Expr* L, Expr* R,
+void GRExprEngine::VisitGuardedExpr(const Expr* Ex, const Expr* L,
+ const Expr* R,
ExplodedNode* Pred, ExplodedNodeSet& Dst) {
assert(Ex == CurrentStmt &&
@@ -1326,7 +1329,7 @@ void GRExprEngine::VisitGuardedExpr(Expr* Ex, Expr* L, Expr* R,
assert (X.isUndef());
- Expr *SE = (Expr*) cast<UndefinedVal>(X).getData();
+ const Expr *SE = (Expr*) cast<UndefinedVal>(X).getData();
assert(SE);
X = state->getSVal(SE);
@@ -1351,7 +1354,7 @@ void GRExprEngine::ProcessEndPath(GREndPathNodeBuilder& builder) {
void GRExprEngine::ProcessSwitch(GRSwitchNodeBuilder& builder) {
typedef GRSwitchNodeBuilder::iterator iterator;
const GRState* state = builder.getState();
- Expr* CondE = builder.getCondition();
+ const Expr* CondE = builder.getCondition();
SVal CondV_untested = state->getSVal(CondE);
if (CondV_untested.isUndef()) {
@@ -1367,7 +1370,7 @@ void GRExprEngine::ProcessSwitch(GRSwitchNodeBuilder& builder) {
bool defaultIsFeasible = false;
for (iterator I = builder.begin(), EI = builder.end(); I != EI; ++I) {
- CaseStmt* Case = cast<CaseStmt>(I.getCase());
+ const CaseStmt* Case = cast<CaseStmt>(I.getCase());
// Evaluate the LHS of the case value.
Expr::EvalResult V1;
@@ -1383,7 +1386,7 @@ void GRExprEngine::ProcessSwitch(GRSwitchNodeBuilder& builder) {
// Get the RHS of the case, if it exists.
Expr::EvalResult V2;
- if (Expr* E = Case->getRHS()) {
+ if (const Expr* E = Case->getRHS()) {
b = E->Evaluate(V2, getContext());
assert(b && V2.Val.isInt() && !V2.HasSideEffects
&& "Case condition must evaluate to an integer constant.");
@@ -1491,7 +1494,7 @@ void GRExprEngine::ProcessCallExit(GRCallExitNodeBuilder &B) {
// Transfer functions: logical operations ('&&', '||').
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitLogicalExpr(BinaryOperator* B, ExplodedNode* Pred,
+void GRExprEngine::VisitLogicalExpr(const BinaryOperator* B, ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
assert(B->getOpcode() == BinaryOperator::LAnd ||
@@ -1545,7 +1548,7 @@ void GRExprEngine::VisitLogicalExpr(BinaryOperator* B, ExplodedNode* Pred,
// Transfer functions: Loads and stores.
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitBlockExpr(BlockExpr *BE, ExplodedNode *Pred,
+void GRExprEngine::VisitBlockExpr(const BlockExpr *BE, ExplodedNode *Pred,
ExplodedNodeSet &Dst) {
ExplodedNodeSet Tmp;
@@ -1561,18 +1564,18 @@ void GRExprEngine::VisitBlockExpr(BlockExpr *BE, ExplodedNode *Pred,
CheckerVisit(BE, Dst, Tmp, false);
}
-void GRExprEngine::VisitDeclRefExpr(DeclRefExpr *Ex, ExplodedNode *Pred,
+void GRExprEngine::VisitDeclRefExpr(const DeclRefExpr *Ex, ExplodedNode *Pred,
ExplodedNodeSet &Dst, bool asLValue) {
VisitCommonDeclRefExpr(Ex, Ex->getDecl(), Pred, Dst, asLValue);
}
-void GRExprEngine::VisitBlockDeclRefExpr(BlockDeclRefExpr *Ex,
+void GRExprEngine::VisitBlockDeclRefExpr(const BlockDeclRefExpr *Ex,
ExplodedNode *Pred,
ExplodedNodeSet &Dst, bool asLValue) {
VisitCommonDeclRefExpr(Ex, Ex->getDecl(), Pred, Dst, asLValue);
}
-void GRExprEngine::VisitCommonDeclRefExpr(Expr *Ex, const NamedDecl *D,
+void GRExprEngine::VisitCommonDeclRefExpr(const Expr *Ex, const NamedDecl *D,
ExplodedNode *Pred,
ExplodedNodeSet &Dst, bool asLValue) {
@@ -1619,12 +1622,12 @@ void GRExprEngine::VisitCommonDeclRefExpr(Expr *Ex, const NamedDecl *D,
}
/// VisitArraySubscriptExpr - Transfer function for array accesses
-void GRExprEngine::VisitArraySubscriptExpr(ArraySubscriptExpr* A,
+void GRExprEngine::VisitArraySubscriptExpr(const ArraySubscriptExpr* A,
ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue){
- Expr* Base = A->getBase()->IgnoreParens();
- Expr* Idx = A->getIdx()->IgnoreParens();
+ const Expr* Base = A->getBase()->IgnoreParens();
+ const Expr* Idx = A->getIdx()->IgnoreParens();
ExplodedNodeSet Tmp;
if (Base->getType()->isVectorType()) {
@@ -1659,7 +1662,7 @@ void GRExprEngine::VisitArraySubscriptExpr(ArraySubscriptExpr* A,
}
/// VisitMemberExpr - Transfer function for member expressions.
-void GRExprEngine::VisitMemberExpr(MemberExpr* M, ExplodedNode* Pred,
+void GRExprEngine::VisitMemberExpr(const MemberExpr* M, ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue) {
Expr* Base = M->getBase()->IgnoreParens();
@@ -1912,9 +1915,9 @@ bool GRExprEngine::InlineCall(ExplodedNodeSet &Dst, const CallExpr *CE,
return false;
}
-void GRExprEngine::VisitCall(CallExpr* CE, ExplodedNode* Pred,
- CallExpr::arg_iterator AI,
- CallExpr::arg_iterator AE,
+void GRExprEngine::VisitCall(const CallExpr* CE, ExplodedNode* Pred,
+ CallExpr::const_arg_iterator AI,
+ CallExpr::const_arg_iterator AE,
ExplodedNodeSet& Dst, bool asLValue) {
// Determine the type of function we're calling (if available).
@@ -1961,7 +1964,7 @@ void GRExprEngine::VisitCall(CallExpr* CE, ExplodedNode* Pred,
// Now process the call itself.
ExplodedNodeSet DstTmp;
- Expr* Callee = CE->getCallee()->IgnoreParens();
+ const Expr* Callee = CE->getCallee()->IgnoreParens();
for (ExplodedNodeSet::iterator NI=ArgsEvaluated.begin(),
NE=ArgsEvaluated.end(); NI != NE; ++NI) {
@@ -2054,7 +2057,7 @@ static std::pair<const void*,const void*> EagerlyAssumeTag
= std::pair<const void*,const void*>(&EagerlyAssumeTag,static_cast<void*>(0));
void GRExprEngine::EvalEagerlyAssume(ExplodedNodeSet &Dst, ExplodedNodeSet &Src,
- Expr *Ex) {
+ const Expr *Ex) {
for (ExplodedNodeSet::iterator I=Src.begin(), E=Src.end(); I!=E; ++I) {
ExplodedNode *Pred = *I;
@@ -2097,10 +2100,11 @@ void GRExprEngine::EvalEagerlyAssume(ExplodedNodeSet &Dst, ExplodedNodeSet &Src,
// Transfer function: Objective-C ivar references.
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitObjCIvarRefExpr(ObjCIvarRefExpr* Ex, ExplodedNode* Pred,
+void GRExprEngine::VisitObjCIvarRefExpr(const ObjCIvarRefExpr* Ex,
+ ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue) {
- Expr* Base = cast<Expr>(Ex->getBase());
+ const Expr* Base = cast<Expr>(Ex->getBase());
ExplodedNodeSet Tmp;
Visit(Base, Pred, Tmp);
@@ -2120,7 +2124,7 @@ void GRExprEngine::VisitObjCIvarRefExpr(ObjCIvarRefExpr* Ex, ExplodedNode* Pred,
// Transfer function: Objective-C fast enumeration 'for' statements.
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitObjCForCollectionStmt(ObjCForCollectionStmt* S,
+void GRExprEngine::VisitObjCForCollectionStmt(const ObjCForCollectionStmt* S,
ExplodedNode* Pred, ExplodedNodeSet& Dst) {
// ObjCForCollectionStmts are processed in two places. This method
@@ -2148,11 +2152,11 @@ void GRExprEngine::VisitObjCForCollectionStmt(ObjCForCollectionStmt* S,
// container is empty. Thus this transfer function will by default
// result in state splitting.
- Stmt* elem = S->getElement();
+ const Stmt* elem = S->getElement();
SVal ElementV;
- if (DeclStmt* DS = dyn_cast<DeclStmt>(elem)) {
- VarDecl* ElemD = cast<VarDecl>(DS->getSingleDecl());
+ if (const DeclStmt* DS = dyn_cast<DeclStmt>(elem)) {
+ const VarDecl* ElemD = cast<VarDecl>(DS->getSingleDecl());
assert (ElemD->getInit() == 0);
ElementV = GetState(Pred)->getLValue(ElemD, Pred->getLocationContext());
VisitObjCForCollectionStmtAux(S, Pred, Dst, ElementV);
@@ -2168,12 +2172,12 @@ void GRExprEngine::VisitObjCForCollectionStmt(ObjCForCollectionStmt* S,
}
}
-void GRExprEngine::VisitObjCForCollectionStmtAux(ObjCForCollectionStmt* S,
+void GRExprEngine::VisitObjCForCollectionStmtAux(const ObjCForCollectionStmt* S,
ExplodedNode* Pred, ExplodedNodeSet& Dst,
SVal ElementV) {
// Check if the location we are writing back to is a null pointer.
- Stmt* elem = S->getElement();
+ const Stmt* elem = S->getElement();
ExplodedNodeSet Tmp;
EvalLocation(Tmp, elem, Pred, GetState(Pred), ElementV, NULL, false);
@@ -2222,23 +2226,24 @@ void GRExprEngine::VisitObjCForCollectionStmtAux(ObjCForCollectionStmt* S,
namespace {
class ObjCMsgWLItem {
public:
- ObjCMessageExpr::arg_iterator I;
+ ObjCMessageExpr::const_arg_iterator I;
ExplodedNode *N;
- ObjCMsgWLItem(const ObjCMessageExpr::arg_iterator &i, ExplodedNode *n)
+ ObjCMsgWLItem(const ObjCMessageExpr::const_arg_iterator &i, ExplodedNode *n)
: I(i), N(n) {}
};
} // end anonymous namespace
-void GRExprEngine::VisitObjCMessageExpr(ObjCMessageExpr* ME, ExplodedNode* Pred,
+void GRExprEngine::VisitObjCMessageExpr(const ObjCMessageExpr* ME,
+ ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue){
// Create a worklist to process both the arguments.
llvm::SmallVector<ObjCMsgWLItem, 20> WL;
// But first evaluate the receiver (if any).
- ObjCMessageExpr::arg_iterator AI = ME->arg_begin(), AE = ME->arg_end();
- if (Expr *Receiver = ME->getInstanceReceiver()) {
+ ObjCMessageExpr::const_arg_iterator AI = ME->arg_begin(), AE = ME->arg_end();
+ if (const Expr *Receiver = ME->getInstanceReceiver()) {
ExplodedNodeSet Tmp;
Visit(Receiver, Pred, Tmp);
@@ -2405,8 +2410,9 @@ void GRExprEngine::VisitObjCMessageExpr(ObjCMessageExpr* ME, ExplodedNode* Pred,
// Transfer functions: Miscellaneous statements.
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitCast(CastExpr *CastE, Expr *Ex, ExplodedNode *Pred,
- ExplodedNodeSet &Dst, bool asLValue) {
+void GRExprEngine::VisitCast(const CastExpr *CastE, const Expr *Ex,
+ ExplodedNode *Pred, ExplodedNodeSet &Dst,
+ bool asLValue) {
ExplodedNodeSet S1;
QualType T = CastE->getType();
QualType ExTy = Ex->getType();
@@ -2495,11 +2501,12 @@ void GRExprEngine::VisitCast(CastExpr *CastE, Expr *Ex, ExplodedNode *Pred,
}
}
-void GRExprEngine::VisitCompoundLiteralExpr(CompoundLiteralExpr* CL,
+void GRExprEngine::VisitCompoundLiteralExpr(const CompoundLiteralExpr* CL,
ExplodedNode* Pred,
ExplodedNodeSet& Dst,
bool asLValue) {
- InitListExpr* ILE = cast<InitListExpr>(CL->getInitializer()->IgnoreParens());
+ const InitListExpr* ILE
+ = cast<InitListExpr>(CL->getInitializer()->IgnoreParens());
ExplodedNodeSet Tmp;
Visit(ILE, Pred, Tmp);
@@ -2517,17 +2524,17 @@ void GRExprEngine::VisitCompoundLiteralExpr(CompoundLiteralExpr* CL,
}
}
-void GRExprEngine::VisitDeclStmt(DeclStmt *DS, ExplodedNode *Pred,
+void GRExprEngine::VisitDeclStmt(const DeclStmt *DS, ExplodedNode *Pred,
ExplodedNodeSet& Dst) {
// The CFG has one DeclStmt per Decl.
- Decl* D = *DS->decl_begin();
+ const Decl* D = *DS->decl_begin();
if (!D || !isa<VarDecl>(D))
return;
const VarDecl* VD = dyn_cast<VarDecl>(D);
- Expr* InitEx = const_cast<Expr*>(VD->getInit());
+ const Expr* InitEx = const_cast<Expr*>(VD->getInit());
// FIXME: static variables may have an initializer, but the second
// time a function is called those values may not be current.
@@ -2580,10 +2587,10 @@ void GRExprEngine::VisitDeclStmt(DeclStmt *DS, ExplodedNode *Pred,
}
}
-void GRExprEngine::VisitCondInit(VarDecl *VD, Stmt *S,
+void GRExprEngine::VisitCondInit(const VarDecl *VD, const Stmt *S,
ExplodedNode *Pred, ExplodedNodeSet& Dst) {
- Expr* InitEx = VD->getInit();
+ const Expr* InitEx = VD->getInit();
ExplodedNodeSet Tmp;
Visit(InitEx, Pred, Tmp);
@@ -2614,16 +2621,16 @@ class InitListWLItem {
public:
llvm::ImmutableList<SVal> Vals;
ExplodedNode* N;
- InitListExpr::reverse_iterator Itr;
+ InitListExpr::const_reverse_iterator Itr;
InitListWLItem(ExplodedNode* n, llvm::ImmutableList<SVal> vals,
- InitListExpr::reverse_iterator itr)
+ InitListExpr::const_reverse_iterator itr)
: Vals(vals), N(n), Itr(itr) {}
};
}
-void GRExprEngine::VisitInitListExpr(InitListExpr* E, ExplodedNode* Pred,
+void GRExprEngine::VisitInitListExpr(const InitListExpr* E, ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
const GRState* state = GetState(Pred);
@@ -2645,7 +2652,7 @@ void GRExprEngine::VisitInitListExpr(InitListExpr* E, ExplodedNode* Pred,
llvm::SmallVector<InitListWLItem, 10> WorkList;
WorkList.reserve(NumInitElements);
WorkList.push_back(InitListWLItem(Pred, StartVals, E->rbegin()));
- InitListExpr::reverse_iterator ItrEnd = E->rend();
+ InitListExpr::const_reverse_iterator ItrEnd = E->rend();
assert(!(E->rbegin() == E->rend()));
// Process the worklist until it is empty.
@@ -2656,7 +2663,7 @@ void GRExprEngine::VisitInitListExpr(InitListExpr* E, ExplodedNode* Pred,
ExplodedNodeSet Tmp;
Visit(*X.Itr, X.N, Tmp);
- InitListExpr::reverse_iterator NewItr = X.Itr + 1;
+ InitListExpr::const_reverse_iterator NewItr = X.Itr + 1;
for (ExplodedNodeSet::iterator NI=Tmp.begin(),NE=Tmp.end();NI!=NE;++NI) {
// Get the last initializer value.
@@ -2688,7 +2695,7 @@ void GRExprEngine::VisitInitListExpr(InitListExpr* E, ExplodedNode* Pred,
if (Loc::IsLocType(T) || T->isIntegerType()) {
assert (E->getNumInits() == 1);
ExplodedNodeSet Tmp;
- Expr* Init = E->getInit(0);
+ const Expr* Init = E->getInit(0);
Visit(Init, Pred, Tmp);
for (ExplodedNodeSet::iterator I=Tmp.begin(), EI=Tmp.end(); I != EI; ++I) {
state = GetState(*I);
@@ -2701,7 +2708,7 @@ void GRExprEngine::VisitInitListExpr(InitListExpr* E, ExplodedNode* Pred,
}
/// VisitSizeOfAlignOfExpr - Transfer function for sizeof(type).
-void GRExprEngine::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr* Ex,
+void GRExprEngine::VisitSizeOfAlignOfExpr(const SizeOfAlignOfExpr* Ex,
ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
QualType T = Ex->getTypeOfArgument();
@@ -2724,7 +2731,7 @@ void GRExprEngine::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr* Ex,
// Get the size by getting the extent of the sub-expression.
// First, visit the sub-expression to find its region.
- Expr *Arg = Ex->getArgumentExpr();
+ const Expr *Arg = Ex->getArgumentExpr();
ExplodedNodeSet Tmp;
VisitLValue(Arg, Pred, Tmp);
@@ -2766,8 +2773,8 @@ void GRExprEngine::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr* Ex,
ValMgr.makeIntVal(amt.getQuantity(), Ex->getType())));
}
-void GRExprEngine::VisitOffsetOfExpr(OffsetOfExpr* OOE, ExplodedNode* Pred,
- ExplodedNodeSet& Dst) {
+void GRExprEngine::VisitOffsetOfExpr(const OffsetOfExpr* OOE,
+ ExplodedNode* Pred, ExplodedNodeSet& Dst) {
Expr::EvalResult Res;
if (OOE->Evaluate(Res, getContext()) && Res.Val.isInt()) {
const APSInt &IV = Res.Val.getInt();
@@ -2782,7 +2789,8 @@ void GRExprEngine::VisitOffsetOfExpr(OffsetOfExpr* OOE, ExplodedNode* Pred,
Dst.Add(Pred);
}
-void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
+void GRExprEngine::VisitUnaryOperator(const UnaryOperator* U,
+ ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue) {
switch (U->getOpcode()) {
@@ -2792,7 +2800,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
case UnaryOperator::Deref: {
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
Visit(Ex, Pred, Tmp);
@@ -2813,7 +2821,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
case UnaryOperator::Real: {
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
Visit(Ex, Pred, Tmp);
@@ -2837,7 +2845,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
case UnaryOperator::Imag: {
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
Visit(Ex, Pred, Tmp);
@@ -2882,7 +2890,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
// generate an extra node that just propagates the value of the
// subexpression.
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
if (asLValue)
@@ -2901,7 +2909,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
case UnaryOperator::AddrOf: {
assert(!asLValue);
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
VisitLValue(Ex, Pred, Tmp);
@@ -2920,7 +2928,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
case UnaryOperator::Not: {
assert (!asLValue);
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
ExplodedNodeSet Tmp;
Visit(Ex, Pred, Tmp);
@@ -2996,7 +3004,7 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
assert (U->isIncrementDecrementOp());
ExplodedNodeSet Tmp;
- Expr* Ex = U->getSubExpr()->IgnoreParens();
+ const Expr* Ex = U->getSubExpr()->IgnoreParens();
VisitLValue(Ex, Pred, Tmp);
for (ExplodedNodeSet::iterator I = Tmp.begin(), E = Tmp.end(); I!=E; ++I) {
@@ -3071,14 +3079,14 @@ void GRExprEngine::VisitUnaryOperator(UnaryOperator* U, ExplodedNode* Pred,
}
}
-void GRExprEngine::VisitAsmStmt(AsmStmt* A, ExplodedNode* Pred,
+void GRExprEngine::VisitAsmStmt(const AsmStmt* A, ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
VisitAsmStmtHelperOutputs(A, A->begin_outputs(), A->end_outputs(), Pred, Dst);
}
-void GRExprEngine::VisitAsmStmtHelperOutputs(AsmStmt* A,
- AsmStmt::outputs_iterator I,
- AsmStmt::outputs_iterator E,
+void GRExprEngine::VisitAsmStmtHelperOutputs(const AsmStmt* A,
+ AsmStmt::const_outputs_iterator I,
+ AsmStmt::const_outputs_iterator E,
ExplodedNode* Pred, ExplodedNodeSet& Dst) {
if (I == E) {
VisitAsmStmtHelperInputs(A, A->begin_inputs(), A->end_inputs(), Pred, Dst);
@@ -3094,9 +3102,9 @@ void GRExprEngine::VisitAsmStmtHelperOutputs(AsmStmt* A,
VisitAsmStmtHelperOutputs(A, I, E, *NI, Dst);
}
-void GRExprEngine::VisitAsmStmtHelperInputs(AsmStmt* A,
- AsmStmt::inputs_iterator I,
- AsmStmt::inputs_iterator E,
+void GRExprEngine::VisitAsmStmtHelperInputs(const AsmStmt* A,
+ AsmStmt::const_inputs_iterator I,
+ AsmStmt::const_inputs_iterator E,
ExplodedNode* Pred,
ExplodedNodeSet& Dst) {
if (I == E) {
@@ -3110,7 +3118,7 @@ void GRExprEngine::VisitAsmStmtHelperInputs(AsmStmt* A,
const GRState* state = GetState(Pred);
- for (AsmStmt::outputs_iterator OI = A->begin_outputs(),
+ for (AsmStmt::const_outputs_iterator OI = A->begin_outputs(),
OE = A->end_outputs(); OI != OE; ++OI) {
SVal X = state->getSVal(*OI);
@@ -3133,10 +3141,10 @@ void GRExprEngine::VisitAsmStmtHelperInputs(AsmStmt* A,
VisitAsmStmtHelperInputs(A, I, E, *NI, Dst);
}
-void GRExprEngine::VisitReturnStmt(ReturnStmt *RS, ExplodedNode *Pred,
+void GRExprEngine::VisitReturnStmt(const ReturnStmt *RS, ExplodedNode *Pred,
ExplodedNodeSet &Dst) {
ExplodedNodeSet Src;
- if (Expr *RetE = RS->getRetValue()) {
+ if (const Expr *RetE = RS->getRetValue()) {
// Record the returned expression in the state. It will be used in
// ProcessCallExit to bind the return value to the call expr.
{
@@ -3181,7 +3189,7 @@ void GRExprEngine::VisitReturnStmt(ReturnStmt *RS, ExplodedNode *Pred,
// Transfer functions: Binary operators.
//===----------------------------------------------------------------------===//
-void GRExprEngine::VisitBinaryOperator(BinaryOperator* B,
+void GRExprEngine::VisitBinaryOperator(const BinaryOperator* B,
ExplodedNode* Pred,
ExplodedNodeSet& Dst, bool asLValue) {
@@ -3471,7 +3479,7 @@ struct DOTGraphTraits<ExplodedNode*> :
Out << "Edge: (B" << E.getSrc()->getBlockID() << ", B"
<< E.getDst()->getBlockID() << ')';
- if (Stmt* T = E.getSrc()->getTerminator()) {
+ if (const Stmt* T = E.getSrc()->getTerminator()) {
SourceLocation SLoc = T->getLocStart();
@@ -3487,15 +3495,15 @@ struct DOTGraphTraits<ExplodedNode*> :
}
if (isa<SwitchStmt>(T)) {
- Stmt* Label = E.getDst()->getLabel();
+ const Stmt* Label = E.getDst()->getLabel();
if (Label) {
- if (CaseStmt* C = dyn_cast<CaseStmt>(Label)) {
+ if (const CaseStmt* C = dyn_cast<CaseStmt>(Label)) {
Out << "\\lcase ";
LangOptions LO; // FIXME.
C->getLHS()->printPretty(Out, 0, PrintingPolicy(LO));
- if (Stmt* RHS = C->getRHS()) {
+ if (const Stmt* RHS = C->getRHS()) {
Out << " .. ";
RHS->printPretty(Out, 0, PrintingPolicy(LO));
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-01 11:16:02 +0000