void writeEdge(NodeType *Node, unsigned edgeidx, child_iterator EI) {
if (NodeType *TargetNode = *EI) {
- O << "\tNode" << (void*)Node << ":g" << edgeidx << " -> Node"
- << (void*)TargetNode;
+ int DestPort = -1;
if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) {
child_iterator TargetIt = DOTTraits::getEdgeTarget(Node, EI);
unsigned Offset = std::distance(GTraits::child_begin(TargetNode),
TargetIt);
if (Offset > 64) Offset = 64; // Targetting the truncated part?
- O << ":g" << Offset;
+ DestPort = (int)Offset;
}
+
+ 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) {
+ O << "\tNode" << ID << "[ ";
+ if (!Attr.empty())
+ O << Attr << ",";
+ O << " label =\"{" << DOT::EscapeString(Label);
+ if (NumEdgeSources) {
+ O << "|{";
- std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI);
- if (!EdgeAttributes.empty())
- O << "[" << EdgeAttributes << "]";
- O << ";\n";
+ for (unsigned i = 0; i != NumEdgeSources; ++i) {
+ if (i) O << "|";
+ O << "<g" << 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) {
+ 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";
}
};