#define SUPPORT_GRAPHWRITER_H
#include "Support/DOTGraphTraits.h"
-#include "Support/DepthFirstIterator.h"
-#include <ostream>
+#include "Support/GraphTraits.h"
+#include <vector>
+#include <iostream>
namespace DOT { // Private functions...
inline std::string EscapeString(const std::string &Label) {
}
template<typename GraphType>
-std::ostream &WriteGraph(std::ostream &O, const GraphType &G) {
- typedef DOTGraphTraits<GraphType> DOTTraits;
- typedef GraphTraits<GraphType> GTraits;
- typedef typename GTraits::NodeType NodeType;
+class GraphWriter {
+ std::ostream &O;
+ const GraphType &G;
- O << "digraph foo {\n" // Graph name doesn't matter
- << "\tsize=\"10,7.5\";\n" // Size to fit on a page
- << "\trotate=\"90\";\n"; // Orient correctly
+ typedef DOTGraphTraits<GraphType> DOTTraits;
+ typedef GraphTraits<GraphType> GTraits;
+ typedef typename GTraits::NodeType NodeType;
+ typedef typename GTraits::nodes_iterator node_iterator;
+ typedef typename GTraits::ChildIteratorType child_iterator;
+public:
+ GraphWriter(std::ostream &o, const GraphType &g) : O(o), G(g) {}
- std::string GraphName = DOTTraits::getGraphName(G);
- if (!GraphName.empty())
- O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
- O << "\n";
+ void writeHeader(const std::string &Name) {
+ if (Name.empty())
+ O << "digraph foo {\n"; // Graph name doesn't matter
+ else
+ O << "digraph " << Name << " {\n";
- // Loop over the graph in DFO, printing it out...
- NodeType *Root = GTraits::getEntryNode(G);
- for (df_iterator<GraphType> I = df_begin(G), E = df_end(G); I != E; ++I) {
- NodeType *Node = *I;
+ std::string GraphName = DOTTraits::getGraphName(G);
+ if (!GraphName.empty())
+ O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
+ O << DOTTraits::getGraphProperties(G);
+ O << "\n";
+ }
- std::string NodeAttributes = DOTTraits::getNodeAttributes(Node);
+ void writeFooter() {
+ // Finish off the graph
+ O << "}\n";
+ }
- O << "\tNode" << (void*)Node << " [";
+ void writeNodes() {
+ // Loop over the graph, printing it out...
+ for (node_iterator I = GTraits::nodes_begin(G), E = GTraits::nodes_end(G);
+ I != E; ++I)
+ writeNode(&*I);
+ }
+
+ void writeNode(NodeType *Node) {
+ std::string NodeAttributes = DOTTraits::getNodeAttributes(Node);
+
+ O << "\tNode" << (void*)Node << " [shape=record,";
if (!NodeAttributes.empty()) O << NodeAttributes << ",";
- O << "shape=record,label=\"{"
+ O << "label=\"{"
<< DOT::EscapeString(DOTTraits::getNodeLabel(Node, G));
// Print out the fields of the current node...
- typename GTraits::ChildIteratorType EI = GTraits::child_begin(Node);
- typename GTraits::ChildIteratorType EE = GTraits::child_end(Node);
+ child_iterator EI = GTraits::child_begin(Node);
+ child_iterator EE = GTraits::child_end(Node);
if (EI != EE) {
O << "|{";
-
+
for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
if (i) O << "|";
O << "<g" << i << ">" << DOTTraits::getEdgeSourceLabel(Node, EI);
}
-
+
if (EI != EE)
O << "|truncated...";
O << "}";
}
O << "}\"];\n"; // Finish printing the "node" line
-
+
// Output all of the edges now
EI = GTraits::child_begin(Node);
- for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
- NodeType *TargetNode = *EI;
- O << "\tNode" << (void*)Node << ":g" << i << " -> Node"
- << (void*)TargetNode;
+ for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i)
+ writeEdge(Node, i, EI);
+ }
+
+ void writeEdge(NodeType *Node, unsigned edgeidx, child_iterator EI) {
+ if (NodeType *TargetNode = *EI) {
+ int DestPort = -1;
if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) {
- typename GTraits::ChildIteratorType TargetIt =
- DOTTraits::getEdgeTarget(Node, EI);
+ child_iterator TargetIt = DOTTraits::getEdgeTarget(Node, EI);
+
// Figure out which edge this targets...
unsigned Offset = std::distance(GTraits::child_begin(TargetNode),
TargetIt);
- if (Offset > 64) Offset = 64; // Targetting the trancated part?
- O << ":g" << Offset;
+ DestPort = (int)Offset;
}
- std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI);
- if (!EdgeAttributes.empty())
- O << "[" << EdgeAttributes << "]";
- O << ";\n";
+ emitEdge((void *)Node, edgeidx, (void*)TargetNode, DestPort,
+ DOTTraits::getEdgeAttributes(Node, EI));
+ }
+ }
+
+ /// emitSimpleNode - Outputs a simple (non-record) node
+ void emitSimpleNode(const void *ID, const std::string &Attr,
+ const std::string &Label, unsigned NumEdgeSources = 0,
+ const std::vector<std::string> *EdgeSourceLabels = 0) {
+ O << "\tNode" << ID << "[ ";
+ if (!Attr.empty())
+ O << Attr << ",";
+ O << " label =\"";
+ if (NumEdgeSources) O << "{";
+ O << DOT::EscapeString(Label);
+ if (NumEdgeSources) {
+ O << "|{";
+
+ for (unsigned i = 0; i != NumEdgeSources; ++i) {
+ if (i) O << "|";
+ O << "<g" << i << ">";
+ if (EdgeSourceLabels) O << (*EdgeSourceLabels)[i];
+ }
+ O << "}}";
}
+ O << "\"];\n";
+ }
+
+ /// emitEdge - Output an edge from a simple node into the graph...
+ void emitEdge(const void *SrcNodeID, int SrcNodePort,
+ const void *DestNodeID, int DestNodePort,
+ const std::string &Attrs) {
+ if (SrcNodePort > 64) return; // Eminating from truncated part?
+ if (DestNodePort > 64) DestNodePort = 64; // Targetting the truncated part?
+
+ O << "\tNode" << SrcNodeID;
+ if (SrcNodePort >= 0)
+ O << ":g" << SrcNodePort;
+ O << " -> Node" << (void*)DestNodeID;
+ if (DestNodePort >= 0)
+ O << ":g" << DestNodePort;
+
+ if (!Attrs.empty())
+ O << "[" << Attrs << "]";
+ O << ";\n";
}
+};
+
+template<typename GraphType>
+std::ostream &WriteGraph(std::ostream &O, const GraphType &G,
+ const std::string &Name = "") {
+ // Start the graph emission process...
+ GraphWriter<GraphType> W(O, G);
+
+ // Output the header for the graph...
+ W.writeHeader(Name);
+
+ // Emit all of the nodes in the graph...
+ W.writeNodes();
+
+ // Output any customizations on the graph
+ DOTGraphTraits<GraphType>::addCustomGraphFeatures(G, W);
- // Finish off the graph
- O << "}\n";
+ // Output the end of the graph
+ W.writeFooter();
return O;
}
projects / oota-llvm.git / blobdiff