X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FDOTGraphTraits.h;h=483f2674af7bb9db32353846140a6105898c8360;hb=2d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3;hp=080c09b5f48eb733fbf3c5c3f44c1dab5e4af453;hpb=7ed47a13356daed2a34cd2209a31f92552e3bdd8;p=oota-llvm.git

diff --git a/include/llvm/Support/DOTGraphTraits.h b/include/llvm/Support/DOTGraphTraits.h
index 080c09b5f48..483f2674af7 100644
--- a/include/llvm/Support/DOTGraphTraits.h
+++ b/include/llvm/Support/DOTGraphTraits.h
@@ -27,17 +27,28 @@ namespace llvm {
 /// implementations.
 ///
 struct DefaultDOTGraphTraits {
+private:
+  bool IsSimple;
+
+protected:
+  bool isSimple() {
+    return IsSimple;
+  }
+
+public:
+  explicit DefaultDOTGraphTraits(bool simple=false) : IsSimple (simple) {}
+
   /// getGraphName - Return the label for the graph as a whole.  Printed at the
   /// top of the graph.
   ///
   template<typename GraphType>
-  static std::string getGraphName(const GraphType& Graph) { return ""; }
+  static std::string getGraphName(const GraphType &) { return ""; }
 
   /// getGraphProperties - Return any custom properties that should be included
   /// in the top level graph structure for dot.
   ///
   template<typename GraphType>
-  static std::string getGraphProperties(const GraphType& Graph) {
+  static std::string getGraphProperties(const GraphType &) {
     return "";
   }
 
@@ -48,39 +59,46 @@ struct DefaultDOTGraphTraits {
     return false;
   }
 
+  /// isNodeHidden - If the function returns true, the given node is not
+  /// displayed in the graph.
+  static bool isNodeHidden(const void *) {
+    return false;
+  }
+
   /// getNodeLabel - Given a node and a pointer to the top level graph, return
   /// the label to print in the node.
   template<typename GraphType>
-  static std::string getNodeLabel(const void *Node, const GraphType& Graph) {
+  std::string getNodeLabel(const void *, const GraphType &) {
     return "";
   }
-  
+
   /// hasNodeAddressLabel - If this method returns true, the address of the node
   /// is added to the label of the node.
   template<typename GraphType>
-  static bool hasNodeAddressLabel(const void *Node, const GraphType& Graph) {
+  static bool hasNodeAddressLabel(const void *, const GraphType &) {
     return false;
   }
 
   /// If you want to specify custom node attributes, this is the place to do so
   ///
   template<typename GraphType>
-  static std::string getNodeAttributes(const void *Node,
-                                       const GraphType& Graph) {
+  static std::string getNodeAttributes(const void *,
+                                       const GraphType &) {
     return "";
   }
 
   /// If you want to override the dot attributes printed for a particular edge,
   /// override this method.
-  template<typename EdgeIter>
-  static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
+  template<typename EdgeIter, typename GraphType>
+  static std::string getEdgeAttributes(const void *, EdgeIter,
+                                       const GraphType &) {
     return "";
   }
 
   /// getEdgeSourceLabel - If you want to label the edge source itself,
   /// implement this method.
   template<typename EdgeIter>
-  static std::string getEdgeSourceLabel(const void *Node, EdgeIter I) {
+  static std::string getEdgeSourceLabel(const void *, EdgeIter) {
     return "";
   }
 
@@ -88,7 +106,7 @@ struct DefaultDOTGraphTraits {
   /// should actually target another edge source, not a node.  If this method is
   /// implemented, getEdgeTarget should be implemented.
   template<typename EdgeIter>
-  static bool edgeTargetsEdgeSource(const void *Node, EdgeIter I) {
+  static bool edgeTargetsEdgeSource(const void *, EdgeIter) {
     return false;
   }
 
@@ -96,10 +114,28 @@ struct DefaultDOTGraphTraits {
   /// called to determine which outgoing edge of Node is the target of this
   /// edge.
   template<typename EdgeIter>
-  static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
+  static EdgeIter getEdgeTarget(const void *, EdgeIter I) {
     return I;
   }
 
+  /// hasEdgeDestLabels - If this function returns true, the graph is able
+  /// to provide labels for edge destinations.
+  static bool hasEdgeDestLabels() {
+    return false;
+  }
+
+  /// numEdgeDestLabels - If hasEdgeDestLabels, this function returns the
+  /// number of incoming edge labels the given node has.
+  static unsigned numEdgeDestLabels(const void *) {
+    return 0;
+  }
+
+  /// getEdgeDestLabel - If hasEdgeDestLabels, this function returns the
+  /// incoming edge label with the given index in the given node.
+  static std::string getEdgeDestLabel(const void *, unsigned) {
+    return "";
+  }
+
   /// addCustomGraphFeatures - If a graph is made up of more than just
   /// straight-forward nodes and edges, this is the place to put all of the
   /// custom stuff necessary.  The GraphWriter object, instantiated with your
@@ -107,7 +143,7 @@ struct DefaultDOTGraphTraits {
   /// it to add things to the output graph.
   ///
   template<typename GraphType, typename GraphWriter>
-  static void addCustomGraphFeatures(const GraphType& Graph, GraphWriter &GW) {}
+  static void addCustomGraphFeatures(const GraphType &, GraphWriter &) {}
 };
 
 
@@ -116,7 +152,9 @@ struct DefaultDOTGraphTraits {
 /// from DefaultDOTGraphTraits if you don't need to override everything.
 ///
 template <typename Ty>
-struct DOTGraphTraits : public DefaultDOTGraphTraits {};
+struct DOTGraphTraits : public DefaultDOTGraphTraits {
+  DOTGraphTraits (bool simple=false) : DefaultDOTGraphTraits (simple) {}
+};
 
 } // End llvm namespace