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-rw-r--r--lib/StaticAnalyzer/Core/CallEvent.cpp29
1 files changed, 25 insertions, 4 deletions
diff --git a/lib/StaticAnalyzer/Core/CallEvent.cpp b/lib/StaticAnalyzer/Core/CallEvent.cpp
index 5345bd5170..d4ee84174e 100644
--- a/lib/StaticAnalyzer/Core/CallEvent.cpp
+++ b/lib/StaticAnalyzer/Core/CallEvent.cpp
@@ -574,6 +574,14 @@ QualType ObjCMethodCall::getDeclaredResultType() const {
return D->getResultType();
}
+SVal ObjCMethodCall::getSelfSVal() const {
+ const LocationContext *LCtx = getLocationContext();
+ const ImplicitParamDecl *SelfDecl = LCtx->getSelfDecl();
+ if (!SelfDecl)
+ return SVal();
+ return getState()->getSVal(getState()->getRegion(SelfDecl, LCtx));
+}
+
SVal ObjCMethodCall::getReceiverSVal() const {
// FIXME: Is this the best way to handle class receivers?
if (!isInstanceMessage())
@@ -584,10 +592,23 @@ SVal ObjCMethodCall::getReceiverSVal() const {
// An instance message with no expression means we are sending to super.
// In this case the object reference is the same as 'self'.
- const LocationContext *LCtx = getLocationContext();
- const ImplicitParamDecl *SelfDecl = LCtx->getSelfDecl();
- assert(SelfDecl && "No message receiver Expr, but not in an ObjC method");
- return getState()->getSVal(getState()->getRegion(SelfDecl, LCtx));
+ assert(getOriginExpr()->getReceiverKind() == ObjCMessageExpr::SuperInstance);
+ SVal SelfVal = getSelfSVal();
+ assert(SelfVal.isValid() && "Calling super but not in ObjC method");
+ return SelfVal;
+}
+
+bool ObjCMethodCall::isReceiverSelfOrSuper() const {
+ if (getOriginExpr()->getReceiverKind() == ObjCMessageExpr::SuperInstance ||
+ getOriginExpr()->getReceiverKind() == ObjCMessageExpr::SuperClass)
+ return true;
+
+ if (!isInstanceMessage())
+ return false;
+
+ SVal RecVal = getSVal(getOriginExpr()->getInstanceReceiver());
+
+ return (RecVal == getSelfSVal());
}
SourceRange ObjCMethodCall::getSourceRange() const {