Introduce llvm::sys::path::home_directory.

[oota-llvm.git] / include / llvm / Support / DOTGraphTraits.h

diff --git a/include/llvm/Support/DOTGraphTraits.h b/include/llvm/Support/DOTGraphTraits.h
index 2367c0e260c51f7b6dff3d1840d658f0e4cbbeba..95e37c01d7d54128a2ee709f49f9dfa91a0de534 100644 (file)
--- 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 +59,51 @@ 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;
   }
 
+  template<typename GraphType>
+  static std::string getNodeDescription(const void *, const GraphType &) {
+    return "";
+  }
+
   /// 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 +111,7 @@ 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;
   }
 
@@ -96,7 +119,7 @@ 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;
   }
 
@@ -108,13 +131,13 @@ struct DefaultDOTGraphTraits {
 
   /// numEdgeDestLabels - If hasEdgeDestLabels, this function returns the
   /// number of incoming edge labels the given node has.
-  static unsigned numEdgeDestLabels(const void *Node) {
+  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 *Node, unsigned i) {
+  static std::string getEdgeDestLabel(const void *, unsigned) {
     return "";
   }
 
@@ -125,7 +148,7 @@ 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 &) {}
 };
 
 
@@ -134,7 +157,9 @@ 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