Vendor import of clang tags/RELEASE_33/final r183502 (effectively, 3.3

release):
http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_33/final@183502

1 files changed, 55 insertions, 7 deletions

diff --git a/lib/StaticAnalyzer/Core/MemRegion.cpp b/lib/StaticAnalyzer/Core/MemRegion.cpp
index b3a1e65..42073d4 100644
--- a/lib/StaticAnalyzer/Core/MemRegion.cpp
+++ b/lib/StaticAnalyzer/Core/MemRegion.cpp
@@ -555,38 +555,75 @@ void StackLocalsSpaceRegion::dumpToStream(raw_ostream &os) const {
 }
 
 bool MemRegion::canPrintPretty() const {
+  return canPrintPrettyAsExpr();
+}
+
+bool MemRegion::canPrintPrettyAsExpr() const {
   return false;
 }
 
 void MemRegion::printPretty(raw_ostream &os) const {
+  assert(canPrintPretty() && "This region cannot be printed pretty.");
+  os << "'";
+  printPrettyAsExpr(os);
+  os << "'";
+  return;
+}
+
+void MemRegion::printPrettyAsExpr(raw_ostream &os) const {
+  llvm_unreachable("This region cannot be printed pretty.");
   return;
 }
 
-bool VarRegion::canPrintPretty() const {
+bool VarRegion::canPrintPrettyAsExpr() const {
   return true;
 }
 
-void VarRegion::printPretty(raw_ostream &os) const {
+void VarRegion::printPrettyAsExpr(raw_ostream &os) const {
   os << getDecl()->getName();
 }
 
-bool ObjCIvarRegion::canPrintPretty() const {
+bool ObjCIvarRegion::canPrintPrettyAsExpr() const {
   return true;
 }
 
-void ObjCIvarRegion::printPretty(raw_ostream &os) const {
+void ObjCIvarRegion::printPrettyAsExpr(raw_ostream &os) const {
   os << getDecl()->getName();
 }
 
 bool FieldRegion::canPrintPretty() const {
-  return superRegion->canPrintPretty();
+  return true;
 }
 
-void FieldRegion::printPretty(raw_ostream &os) const {
-  superRegion->printPretty(os);
+bool FieldRegion::canPrintPrettyAsExpr() const {
+  return superRegion->canPrintPrettyAsExpr();
+}
+
+void FieldRegion::printPrettyAsExpr(raw_ostream &os) const {
+  assert(canPrintPrettyAsExpr());
+  superRegion->printPrettyAsExpr(os);
   os << "." << getDecl()->getName();
 }
 
+void FieldRegion::printPretty(raw_ostream &os) const {
+  if (canPrintPrettyAsExpr()) {
+    os << "\'";
+    printPrettyAsExpr(os);
+    os << "'";
+  } else {
+    os << "field " << "\'" << getDecl()->getName() << "'";
+  }
+  return;
+}
+
+bool CXXBaseObjectRegion::canPrintPrettyAsExpr() const {
+  return superRegion->canPrintPrettyAsExpr();
+}
+
+void CXXBaseObjectRegion::printPrettyAsExpr(raw_ostream &os) const {
+  superRegion->printPrettyAsExpr(os);
+}
+
 //===----------------------------------------------------------------------===//
 // MemRegionManager methods.
 //===----------------------------------------------------------------------===//
@@ -1043,6 +1080,17 @@ const MemRegion *MemRegion::StripCasts(bool StripBaseCasts) const {
   }
 }
 
+const SymbolicRegion *MemRegion::getSymbolicBase() const {
+  const SubRegion *SubR = dyn_cast<SubRegion>(this);
+
+  while (SubR) {
+    if (const SymbolicRegion *SymR = dyn_cast<SymbolicRegion>(SubR))
+      return SymR;
+    SubR = dyn_cast<SubRegion>(SubR->getSuperRegion());
+  }
+  return 0;
+}
+
 // FIXME: Merge with the implementation of the same method in Store.cpp
 static bool IsCompleteType(ASTContext &Ctx, QualType Ty) {
   if (const RecordType *RT = Ty->getAs<RecordType>()) {