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-rw-r--r--clang/lib/Analysis/CFG.cpp116
1 files changed, 70 insertions, 46 deletions
diff --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
index d2cccc8d2b9..7ee2a9ccce5 100644
--- a/clang/lib/Analysis/CFG.cpp
+++ b/clang/lib/Analysis/CFG.cpp
@@ -2704,6 +2704,10 @@ CFG* CFG::buildCFG(const Decl *D, Stmt* Statement, ASTContext *C,
return Builder.buildCFG(D, Statement, C, BO);
}
+const CXXDestructorDecl *CFGImplicitDtor::getDestructorDecl() const {
+ return 0;
+}
+
//===----------------------------------------------------------------------===//
// CFG: Queries for BlkExprs.
//===----------------------------------------------------------------------===//
@@ -2740,8 +2744,8 @@ static BlkExprMapTy* PopulateBlkExprMap(CFG& cfg) {
for (CFG::iterator I=cfg.begin(), E=cfg.end(); I != E; ++I)
for (CFGBlock::iterator BI=(*I)->begin(), EI=(*I)->end(); BI != EI; ++BI)
- if (CFGStmt S = BI->getAs<CFGStmt>())
- FindSubExprAssignments(S, SubExprAssignments);
+ if (const CFGStmt *S = BI->getAs<CFGStmt>())
+ FindSubExprAssignments(S->getStmt(), SubExprAssignments);
for (CFG::iterator I=cfg.begin(), E=cfg.end(); I != E; ++I) {
@@ -2749,10 +2753,10 @@ static BlkExprMapTy* PopulateBlkExprMap(CFG& cfg) {
// block-level that are block-level expressions.
for (CFGBlock::iterator BI=(*I)->begin(), EI=(*I)->end(); BI != EI; ++BI) {
- CFGStmt CS = BI->getAs<CFGStmt>();
- if (!CS.isValid())
+ const CFGStmt *CS = BI->getAs<CFGStmt>();
+ if (!CS)
continue;
- if (Expr* Exp = dyn_cast<Expr>(CS.getStmt())) {
+ if (Expr* Exp = dyn_cast<Expr>(CS->getStmt())) {
if (BinaryOperator* B = dyn_cast<BinaryOperator>(Exp)) {
// Assignment expressions that are not nested within another
@@ -2845,8 +2849,8 @@ CFG::~CFG() {
namespace {
class StmtPrinterHelper : public PrinterHelper {
- typedef llvm::DenseMap<Stmt*,std::pair<unsigned,unsigned> > StmtMapTy;
- typedef llvm::DenseMap<Decl*,std::pair<unsigned,unsigned> > DeclMapTy;
+ typedef llvm::DenseMap<const Stmt*,std::pair<unsigned,unsigned> > StmtMapTy;
+ typedef llvm::DenseMap<const Decl*,std::pair<unsigned,unsigned> > DeclMapTy;
StmtMapTy StmtMap;
DeclMapTy DeclMap;
signed currentBlock;
@@ -2855,42 +2859,62 @@ class StmtPrinterHelper : public PrinterHelper {
public:
StmtPrinterHelper(const CFG* cfg, const LangOptions &LO)
- : currentBlock(0), currentStmt(0), LangOpts(LO) {
+ : currentBlock(0), currentStmt(0), LangOpts(LO)
+ {
for (CFG::const_iterator I = cfg->begin(), E = cfg->end(); I != E; ++I ) {
unsigned j = 1;
for (CFGBlock::const_iterator BI = (*I)->begin(), BEnd = (*I)->end() ;
BI != BEnd; ++BI, ++j ) {
- if (CFGStmt SE = BI->getAs<CFGStmt>()) {
+ if (const CFGStmt *SE = BI->getAs<CFGStmt>()) {
+ const Stmt *stmt= SE->getStmt();
std::pair<unsigned, unsigned> P((*I)->getBlockID(), j);
- StmtMap[SE] = P;
-
- if (DeclStmt* DS = dyn_cast<DeclStmt>(SE.getStmt())) {
- DeclMap[DS->getSingleDecl()] = P;
-
- } else if (IfStmt* IS = dyn_cast<IfStmt>(SE.getStmt())) {
- if (VarDecl* VD = IS->getConditionVariable())
- DeclMap[VD] = P;
-
- } else if (ForStmt* FS = dyn_cast<ForStmt>(SE.getStmt())) {
- if (VarDecl* VD = FS->getConditionVariable())
- DeclMap[VD] = P;
-
- } else if (WhileStmt* WS = dyn_cast<WhileStmt>(SE.getStmt())) {
- if (VarDecl* VD = WS->getConditionVariable())
- DeclMap[VD] = P;
-
- } else if (SwitchStmt* SS = dyn_cast<SwitchStmt>(SE.getStmt())) {
- if (VarDecl* VD = SS->getConditionVariable())
- DeclMap[VD] = P;
-
- } else if (CXXCatchStmt* CS = dyn_cast<CXXCatchStmt>(SE.getStmt())) {
- if (VarDecl* VD = CS->getExceptionDecl())
- DeclMap[VD] = P;
+ StmtMap[stmt] = P;
+
+ switch (stmt->getStmtClass()) {
+ case Stmt::DeclStmtClass:
+ DeclMap[cast<DeclStmt>(stmt)->getSingleDecl()] = P;
+ break;
+ case Stmt::IfStmtClass: {
+ const VarDecl *var = cast<IfStmt>(stmt)->getConditionVariable();
+ if (var)
+ DeclMap[var] = P;
+ break;
+ }
+ case Stmt::ForStmtClass: {
+ const VarDecl *var = cast<ForStmt>(stmt)->getConditionVariable();
+ if (var)
+ DeclMap[var] = P;
+ break;
+ }
+ case Stmt::WhileStmtClass: {
+ const VarDecl *var =
+ cast<WhileStmt>(stmt)->getConditionVariable();
+ if (var)
+ DeclMap[var] = P;
+ break;
+ }
+ case Stmt::SwitchStmtClass: {
+ const VarDecl *var =
+ cast<SwitchStmt>(stmt)->getConditionVariable();
+ if (var)
+ DeclMap[var] = P;
+ break;
+ }
+ case Stmt::CXXCatchStmtClass: {
+ const VarDecl *var =
+ cast<CXXCatchStmt>(stmt)->getExceptionDecl();
+ if (var)
+ DeclMap[var] = P;
+ break;
+ }
+ default:
+ break;
}
}
}
}
}
+
virtual ~StmtPrinterHelper() {}
@@ -2913,7 +2937,7 @@ public:
return true;
}
- bool handleDecl(Decl* D, llvm::raw_ostream& OS) {
+ bool handleDecl(const Decl* D, llvm::raw_ostream& OS) {
DeclMapTy::iterator I = DeclMap.find(D);
if (I == DeclMap.end())
@@ -3031,8 +3055,8 @@ public:
static void print_elem(llvm::raw_ostream &OS, StmtPrinterHelper* Helper,
const CFGElement &E) {
- if (CFGStmt CS = E.getAs<CFGStmt>()) {
- Stmt *S = CS;
+ if (const CFGStmt *CS = E.getAs<CFGStmt>()) {
+ Stmt *S = CS->getStmt();
if (Helper) {
@@ -3069,8 +3093,8 @@ static void print_elem(llvm::raw_ostream &OS, StmtPrinterHelper* Helper,
if (isa<Expr>(S))
OS << '\n';
- } else if (CFGInitializer IE = E.getAs<CFGInitializer>()) {
- CXXCtorInitializer* I = IE;
+ } else if (const CFGInitializer *IE = E.getAs<CFGInitializer>()) {
+ const CXXCtorInitializer *I = IE->getInitializer();
if (I->isBaseInitializer())
OS << I->getBaseClass()->getAsCXXRecordDecl()->getName();
else OS << I->getAnyMember()->getName();
@@ -3084,8 +3108,8 @@ static void print_elem(llvm::raw_ostream &OS, StmtPrinterHelper* Helper,
OS << " (Base initializer)\n";
else OS << " (Member initializer)\n";
- } else if (CFGAutomaticObjDtor DE = E.getAs<CFGAutomaticObjDtor>()){
- VarDecl* VD = DE.getVarDecl();
+ } else if (const CFGAutomaticObjDtor *DE = E.getAs<CFGAutomaticObjDtor>()){
+ const VarDecl* VD = DE->getVarDecl();
Helper->handleDecl(VD, OS);
const Type* T = VD->getType().getTypePtr();
@@ -3097,13 +3121,13 @@ static void print_elem(llvm::raw_ostream &OS, StmtPrinterHelper* Helper,
OS << ".~" << T->getAsCXXRecordDecl()->getName().str() << "()";
OS << " (Implicit destructor)\n";
- } else if (CFGBaseDtor BE = E.getAs<CFGBaseDtor>()) {
- const CXXBaseSpecifier *BS = BE.getBaseSpecifier();
+ } else if (const CFGBaseDtor *BE = E.getAs<CFGBaseDtor>()) {
+ const CXXBaseSpecifier *BS = BE->getBaseSpecifier();
OS << "~" << BS->getType()->getAsCXXRecordDecl()->getName() << "()";
OS << " (Base object destructor)\n";
- } else if (CFGMemberDtor ME = E.getAs<CFGMemberDtor>()) {
- FieldDecl *FD = ME.getFieldDecl();
+ } else if (const CFGMemberDtor *ME = E.getAs<CFGMemberDtor>()) {
+ const FieldDecl *FD = ME->getFieldDecl();
const Type *T = FD->getType().getTypePtr();
if (const Type *ET = T->getArrayElementTypeNoTypeQual())
@@ -3113,8 +3137,8 @@ static void print_elem(llvm::raw_ostream &OS, StmtPrinterHelper* Helper,
OS << ".~" << T->getAsCXXRecordDecl()->getName() << "()";
OS << " (Member object destructor)\n";
- } else if (CFGTemporaryDtor TE = E.getAs<CFGTemporaryDtor>()) {
- CXXBindTemporaryExpr *BT = TE.getBindTemporaryExpr();
+ } else if (const CFGTemporaryDtor *TE = E.getAs<CFGTemporaryDtor>()) {
+ const CXXBindTemporaryExpr *BT = TE->getBindTemporaryExpr();
OS << "~" << BT->getType()->getAsCXXRecordDecl()->getName() << "()";
OS << " (Temporary object destructor)\n";
}
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