commit 7a2d953224e51b2b7d7cbf9194a1dbc1ca0be4a0
author Ted Kremenek <kremenek@apple.com> Thu Jul 23 01:05:31 2009 +0000
committer Ted Kremenek <kremenek@apple.com> Thu Jul 23 01:05:31 2009 +0000
tree 8b9b91aaa8d50afa076d8df152279ce1c41dd158
parent 4084c306635b70f37029dca938444e6013f08684

Add 'previsit' Checker pass for ObjCMessageExprs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76831 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/GRExprEngine.cpp

diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index eb31f84..dd2bda1 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -1855,12 +1855,12 @@
       Visit(Receiver, Pred, Tmp);
       
       for (NodeSet::iterator NI = Tmp.begin(), NE = Tmp.end(); NI != NE; ++NI)
-        VisitObjCMessageExprDispatchHelper(ME, *NI, Dst);
+        VisitObjCMessageExprDispatchCheckers(ME, *NI, Dst);
       
       return;
     }
     
-    VisitObjCMessageExprDispatchHelper(ME, Pred, Dst);
+    VisitObjCMessageExprDispatchCheckers(ME, Pred, Dst);
     return;
   }
   
@@ -1873,6 +1873,19 @@
     VisitObjCMessageExprArgHelper(ME, AI, AE, *NI, Dst);
 }
 
+void GRExprEngine::VisitObjCMessageExprDispatchCheckers(ObjCMessageExpr* ME,
+                                                        NodeTy* Pred,
+                                                        NodeSet& Dst) {
+  NodeSet Src;
+  Src.Add(Pred);
+  NodeSet DstTmp;
+  // Perform the previsit of the ObjCMessageExpr, storing the results in DstTmp.
+  CheckerVisit(ME, Src, DstTmp, true);
+  
+  for (NodeSet::iterator NI = DstTmp.begin(), NE = DstTmp.end(); NI != NE; ++NI)
+    VisitObjCMessageExprDispatchHelper(ME, *NI, Dst);
+}
+
 void GRExprEngine::VisitObjCMessageExprDispatchHelper(ObjCMessageExpr* ME,
                                                       NodeTy* Pred,
                                                       NodeSet& Dst) {
@@ -2043,7 +2056,7 @@
       return;
     }    
   }
-  
+
   // Check if we raise an exception.  For now treat these as sinks.  Eventually
   // we will want to handle exceptions properly.