Changed GRExprEngine to pass down a reference to itself when checkers are doing postanalysis. This allows the checker to gather information about the state of the engine when it has finished.
- Exposed the worklist and BlockAborted flag in GRCoreEngine
- Changed postanalysis checkers to use the new infrastructure


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110095 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Checker/IdempotentOperationChecker.cpp b/lib/Checker/IdempotentOperationChecker.cpp
index 267e747..26b018e 100644
--- a/lib/Checker/IdempotentOperationChecker.cpp
+++ b/lib/Checker/IdempotentOperationChecker.cpp
@@ -65,8 +65,7 @@
   public:
     static void *getTag();
     void PreVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B);
-    void VisitEndAnalysis(ExplodedGraph &G, BugReporter &B,
-        bool hasWorkRemaining);
+    void VisitEndAnalysis(ExplodedGraph &G, BugReporter &B, GRExprEngine &Eng);
 
   private:
     // Our assumption about a particular operation.
@@ -293,9 +292,9 @@
 
 void IdempotentOperationChecker::VisitEndAnalysis(ExplodedGraph &G,
                                                   BugReporter &BR,
-                                                  bool hasWorkRemaining) {
+                                                  GRExprEngine &Eng) {
   // If there is any work remaining we cannot be 100% sure about our warnings
-  if (hasWorkRemaining)
+  if (Eng.hasWorkRemaining())
     return;
 
   // Iterate over the hash to see if we have any paths with definite