From: Ted Kremenek <kremenek@apple.com>
Date: Tue, 18 Sep 2007 18:01:15 +0000 (+0000)
Subject: Added type "CFG::Edge" to encapsulate the notion of directed-edges
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4c64e8ee46ad6e2336f9c160a79eded6b16c68f8;p=clang

Added type "CFG::Edge" to encapsulate the notion of directed-edges
within source-level CFGs.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42098 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/clang/AST/CFG.h b/include/clang/AST/CFG.h
index f940a534c8..2772d18580 100644
--- a/include/clang/AST/CFG.h
+++ b/include/clang/AST/CFG.h
@@ -212,6 +212,33 @@ public:
   CFGBlock*        getIndirectGotoBlock() { return IndirectGotoBlock; }
   const CFGBlock*  getIndirectGotoBlock() const { return IndirectGotoBlock; }
   
+  // Edges
+  
+  class Edge {
+    const CFGBlock* Src;
+    const CFGBlock* Dst;
+  public:
+    Edge(const CFGBlock* src, const CFGBlock* dst) : Src(src), Dst(dst) {}
+    Edge(const Edge& RHS) : Src(RHS.Src), Dst(RHS.Dst) {}
+    
+    Edge& operator=(const Edge& RHS) { 
+      Src = RHS.Src;
+      Dst = RHS.Dst;
+      return *this; 
+    }
+    
+    const CFGBlock* getSrc() const { return Src; }
+    const CFGBlock* getDst() const { return Dst; }
+        
+    bool operator==(const Edge& RHS) const {
+      return Src == RHS.Src && Dst == RHS.Dst;
+    }
+    
+    bool operator!=(const Edge& RHS) const {
+      return !(*this == RHS);
+    }
+  };
+  
   // Utility
   
   CFGBlock* createBlock();