[cfe-commits] r45802 - /cfe/trunk/include/clang/Analysis/ProgramEdge.h

[Ted Kremenek]

Author: kremenek
Date: Wed Jan  9 18:58:25 2008
New Revision: 45802

URL: http://llvm.org/viewvc/llvm-project?rev=45802&view=rev
Log:
Added "InfeasibleEdge" to represent an infeasible state transition.

Modified:
    cfe/trunk/include/clang/Analysis/ProgramEdge.h

Modified: cfe/trunk/include/clang/Analysis/ProgramEdge.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Analysis/ProgramEdge.h?rev=45802&r1=45801&r2=45802&view=diff

==============================================================================
--- cfe/trunk/include/clang/Analysis/ProgramEdge.h (original)
+++ cfe/trunk/include/clang/Analysis/ProgramEdge.h Wed Jan  9 18:58:25 2008
@@ -28,7 +28,7 @@
   uintptr_t Src, Dst;
 public:
   enum EdgeKind { BExprBlk=0,   BlkBExpr=1,   BExprBExpr=2, BlkBlk=3,
-                  BExprSExpr=4, SExprSExpr=5, SExprBExpr=6 };
+                  BExprSExpr=4, SExprSExpr=5, SExprBExpr=6, Infeasible=7 };
   
   static bool classof(const ProgramEdge*) { return true; }
   
@@ -155,7 +155,18 @@
     return E->getKind() == BlkBlk;
   }
 };
-
+  
+class InfeasibleEdge : public ProgramEdge {
+public:
+  InfeasibleEdge(Stmt* S) : ProgramEdge(S,NULL,Infeasible) {}
+  
+  Stmt* getStmt() const { return reinterpret_cast<Stmt*>(RawSrc()); }
+  
+  static bool classof(const ProgramEdge* E) {
+    return E->getKind() == Infeasible;
+  }
+};
+  
 } // end namespace clang