class GraphWriter {
raw_ostream &O;
const GraphType &G;
- bool ShortNames;
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;
+ DOTTraits DTraits;
+
+ // Writes the edge labels of the node to O and returns true if there are any
+ // edge labels not equal to the empty string "".
+ bool getEdgeSourceLabels(raw_ostream &O, NodeType *Node) {
+ child_iterator EI = GTraits::child_begin(Node);
+ child_iterator EE = GTraits::child_end(Node);
+ bool hasEdgeSourceLabels = false;
+
+ for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
+ std::string label = DTraits.getEdgeSourceLabel(Node, EI);
+
+ if (label == "")
+ continue;
+
+ hasEdgeSourceLabels = true;
+
+ if (i)
+ O << "|";
+
+ O << "<s" << i << ">" << DTraits.getEdgeSourceLabel(Node, EI);
+ }
+
+ if (EI != EE && hasEdgeSourceLabels)
+ O << "|<s64>truncated...";
+
+ return hasEdgeSourceLabels;
+ }
+
public:
- GraphWriter(raw_ostream &o, const GraphType &g, bool SN) :
- O(o), G(g), ShortNames(SN) {}
+ GraphWriter(raw_ostream &o, const GraphType &g, bool SN) : O(o), G(g) {
+ DTraits = DOTTraits(SN);
+ }
+
+ void writeGraph(const std::string &Title = "") {
+ // Output the header for the graph...
+ writeHeader(Title);
- void writeHeader(const std::string &Name) {
- std::string GraphName = DOTTraits::getGraphName(G);
+ // Emit all of the nodes in the graph...
+ writeNodes();
- if (!Name.empty())
- O << "digraph \"" << DOT::EscapeString(Name) << "\" {\n";
+ // Output any customizations on the graph
+ DOTGraphTraits<GraphType>::addCustomGraphFeatures(G, *this);
+
+ // Output the end of the graph
+ writeFooter();
+ }
+
+ void writeHeader(const std::string &Title) {
+ std::string GraphName = DTraits.getGraphName(G);
+
+ if (!Title.empty())
+ O << "digraph \"" << DOT::EscapeString(Title) << "\" {\n";
else if (!GraphName.empty())
O << "digraph \"" << DOT::EscapeString(GraphName) << "\" {\n";
else
O << "digraph unnamed {\n";
- if (DOTTraits::renderGraphFromBottomUp())
+ if (DTraits.renderGraphFromBottomUp())
O << "\trankdir=\"BT\";\n";
- if (!Name.empty())
- O << "\tlabel=\"" << DOT::EscapeString(Name) << "\";\n";
+ if (!Title.empty())
+ O << "\tlabel=\"" << DOT::EscapeString(Title) << "\";\n";
else if (!GraphName.empty())
O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
- O << DOTTraits::getGraphProperties(G);
+ O << DTraits.getGraphProperties(G);
O << "\n";
}
// 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);
+ if (!isNodeHidden(*I))
+ writeNode(*I);
+ }
+
+ bool isNodeHidden(NodeType &Node) {
+ return isNodeHidden(&Node);
+ }
+
+ bool isNodeHidden(NodeType *const *Node) {
+ return isNodeHidden(*Node);
+ }
+
+ bool isNodeHidden(NodeType *Node) {
+ return DTraits.isNodeHidden(Node);
}
void writeNode(NodeType& Node) {
}
void writeNode(NodeType *Node) {
- std::string NodeAttributes = DOTTraits::getNodeAttributes(Node, G);
+ std::string NodeAttributes = DTraits.getNodeAttributes(Node, G);
O << "\tNode" << static_cast<const void*>(Node) << " [shape=record,";
if (!NodeAttributes.empty()) O << NodeAttributes << ",";
O << "label=\"{";
- if (!DOTTraits::renderGraphFromBottomUp()) {
- O << DOT::EscapeString(DOTTraits::getNodeLabel(Node, G, ShortNames));
+ if (!DTraits.renderGraphFromBottomUp()) {
+ O << DOT::EscapeString(DTraits.getNodeLabel(Node, G));
// If we should include the address of the node in the label, do so now.
- if (DOTTraits::hasNodeAddressLabel(Node, G))
+ if (DTraits.hasNodeAddressLabel(Node, G))
O << "|" << (void*)Node;
}
- // Print out the fields of the current node...
- child_iterator EI = GTraits::child_begin(Node);
- child_iterator EE = GTraits::child_end(Node);
- if (EI != EE) {
- if (!DOTTraits::renderGraphFromBottomUp()) O << "|";
- O << "{";
+ std::string edgeSourceLabels;
+ raw_string_ostream EdgeSourceLabels(edgeSourceLabels);
+ bool hasEdgeSourceLabels = getEdgeSourceLabels(EdgeSourceLabels, Node);
- for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
- if (i) O << "|";
- O << "<s" << i << ">" << DOTTraits::getEdgeSourceLabel(Node, EI);
- }
+ if (hasEdgeSourceLabels) {
+ if (!DTraits.renderGraphFromBottomUp()) O << "|";
- if (EI != EE)
- O << "|<s64>truncated...";
- O << "}";
- if (DOTTraits::renderGraphFromBottomUp()) O << "|";
+ O << "{" << EdgeSourceLabels.str() << "}";
+
+ if (DTraits.renderGraphFromBottomUp()) O << "|";
}
- if (DOTTraits::renderGraphFromBottomUp()) {
- O << DOT::EscapeString(DOTTraits::getNodeLabel(Node, G, ShortNames));
+ if (DTraits.renderGraphFromBottomUp()) {
+ O << DOT::EscapeString(DTraits.getNodeLabel(Node, G));
// If we should include the address of the node in the label, do so now.
- if (DOTTraits::hasNodeAddressLabel(Node, G))
+ if (DTraits.hasNodeAddressLabel(Node, G))
O << "|" << (void*)Node;
}
- if (DOTTraits::hasEdgeDestLabels()) {
+ if (DTraits.hasEdgeDestLabels()) {
O << "|{";
- unsigned i = 0, e = DOTTraits::numEdgeDestLabels(Node);
+ unsigned i = 0, e = DTraits.numEdgeDestLabels(Node);
for (; i != e && i != 64; ++i) {
if (i) O << "|";
- O << "<d" << i << ">" << DOTTraits::getEdgeDestLabel(Node, i);
+ O << "<d" << i << ">"
+ << DOT::EscapeString(DTraits.getEdgeDestLabel(Node, i));
}
if (i != e)
O << "}\"];\n"; // Finish printing the "node" line
// Output all of the edges now
- EI = GTraits::child_begin(Node);
+ child_iterator EI = GTraits::child_begin(Node);
+ child_iterator EE = GTraits::child_end(Node);
for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i)
- writeEdge(Node, i, EI);
+ if (!DTraits.isNodeHidden(*EI))
+ writeEdge(Node, i, EI);
for (; EI != EE; ++EI)
- writeEdge(Node, 64, EI);
+ if (!DTraits.isNodeHidden(*EI))
+ writeEdge(Node, 64, EI);
}
void writeEdge(NodeType *Node, unsigned edgeidx, child_iterator EI) {
if (NodeType *TargetNode = *EI) {
int DestPort = -1;
- if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) {
- child_iterator TargetIt = DOTTraits::getEdgeTarget(Node, EI);
+ if (DTraits.edgeTargetsEdgeSource(Node, EI)) {
+ child_iterator TargetIt = DTraits.getEdgeTarget(Node, EI);
// Figure out which edge this targets...
unsigned Offset =
DestPort = static_cast<int>(Offset);
}
+ if (DTraits.getEdgeSourceLabel(Node, EI) == "")
+ edgeidx = -1;
+
emitEdge(static_cast<const void*>(Node), edgeidx,
static_cast<const void*>(TargetNode), DestPort,
- DOTTraits::getEdgeAttributes(Node, EI));
+ DTraits.getEdgeAttributes(Node, EI));
}
}
for (unsigned i = 0; i != NumEdgeSources; ++i) {
if (i) O << "|";
O << "<s" << i << ">";
- if (EdgeSourceLabels) O << (*EdgeSourceLabels)[i];
+ if (EdgeSourceLabels) O << DOT::EscapeString((*EdgeSourceLabels)[i]);
}
O << "}}";
}
if (SrcNodePort >= 0)
O << ":s" << SrcNodePort;
O << " -> Node" << DestNodeID;
- if (DestNodePort >= 0) {
- if (DOTTraits::hasEdgeDestLabels())
- O << ":d" << DestNodePort;
- else
- O << ":s" << DestNodePort;
- }
+ if (DestNodePort >= 0 && DTraits.hasEdgeDestLabels())
+ O << ":d" << DestNodePort;
if (!Attrs.empty())
O << "[" << Attrs << "]";
O << ";\n";
}
+
+ /// getOStream - Get the raw output stream into the graph file. Useful to
+ /// write fancy things using addCustomGraphFeatures().
+ raw_ostream &getOStream() {
+ return O;
+ }
};
template<typename GraphType>
raw_ostream &WriteGraph(raw_ostream &O, const GraphType &G,
bool ShortNames = false,
- const std::string &Name = "",
const std::string &Title = "") {
// Start the graph emission process...
GraphWriter<GraphType> W(O, G, ShortNames);
- // Output the header for the graph...
- W.writeHeader(Title);
-
- // Emit all of the nodes in the graph...
- W.writeNodes();
-
- // Output any customizations on the graph
- DOTGraphTraits<GraphType>::addCustomGraphFeatures(G, W);
+ // Emit the graph.
+ W.writeGraph(Title);
- // Output the end of the graph
- W.writeFooter();
return O;
}
raw_fd_ostream O(Filename.c_str(), ErrorInfo);
if (ErrorInfo.empty()) {
- WriteGraph(O, G, ShortNames, Name, Title);
+ llvm::WriteGraph(O, G, ShortNames, Title);
errs() << " done. \n";
} else {
errs() << "error opening file '" << Filename.str() << "' for writing!\n";
void ViewGraph(const GraphType &G, const std::string &Name,
bool ShortNames = false, const std::string &Title = "",
GraphProgram::Name Program = GraphProgram::DOT) {
- sys::Path Filename = WriteGraph(G, Name, ShortNames, Title);
+ sys::Path Filename = llvm::WriteGraph(G, Name, ShortNames, Title);
if (Filename.isEmpty())
return;