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Break up the GraphWriter into smaller chunks to be used in different ways

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4207 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-17 00:59:59 +00:00
parent a16adb7dd2
commit dc05fffe2b
2 changed files with 34 additions and 20 deletions
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27
include/Support/GraphWriter.h
View File

@ -59,8 +59,9 @@ class GraphWriter {
typedef typename GTraits::nodes_iterator node_iterator; typedef typename GTraits::nodes_iterator node_iterator;
typedef typename GTraits::ChildIteratorType child_iterator; typedef typename GTraits::ChildIteratorType child_iterator;
public: public:
GraphWriter(std::ostream &o, const GraphType &g, GraphWriter(std::ostream &o, const GraphType &g) : O(o), G(g) {}
const std::string &Name) : O(o), G(g) {
void writeHeader(const std::string &Name) {
if (Name.empty()) if (Name.empty())
O << "digraph foo {\n"; // Graph name doesn't matter O << "digraph foo {\n"; // Graph name doesn't matter
else else
@ -71,15 +72,9 @@ public:
O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n"; O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
O << DOTTraits::getGraphProperties(G); O << DOTTraits::getGraphProperties(G);
O << "\n"; O << "\n";
// Emit all of the nodes in the graph...
writeNodes();
// Output any customizations on the graph
DOTTraits::addCustomGraphFeatures(G, *this);
} }
~GraphWriter() { void writeFooter() {
// Finish off the graph // Finish off the graph
O << "}\n"; O << "}\n";
} }
@ -180,7 +175,19 @@ template<typename GraphType>
std::ostream &WriteGraph(std::ostream &O, const GraphType &G, std::ostream &WriteGraph(std::ostream &O, const GraphType &G,
const std::string &Name = "") { const std::string &Name = "") {
// Start the graph emission process... // Start the graph emission process...
GraphWriter<GraphType> W(O, G, Name); 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);
// Output the end of the graph
W.writeFooter();
return O; return O;
} }

27
include/llvm/Support/GraphWriter.h
View File

@ -59,8 +59,9 @@ class GraphWriter {
typedef typename GTraits::nodes_iterator node_iterator; typedef typename GTraits::nodes_iterator node_iterator;
typedef typename GTraits::ChildIteratorType child_iterator; typedef typename GTraits::ChildIteratorType child_iterator;
public: public:
GraphWriter(std::ostream &o, const GraphType &g, GraphWriter(std::ostream &o, const GraphType &g) : O(o), G(g) {}
const std::string &Name) : O(o), G(g) {
void writeHeader(const std::string &Name) {
if (Name.empty()) if (Name.empty())
O << "digraph foo {\n"; // Graph name doesn't matter O << "digraph foo {\n"; // Graph name doesn't matter
else else
@ -71,15 +72,9 @@ public:
O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n"; O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n";
O << DOTTraits::getGraphProperties(G); O << DOTTraits::getGraphProperties(G);
O << "\n"; O << "\n";
// Emit all of the nodes in the graph...
writeNodes();
// Output any customizations on the graph
DOTTraits::addCustomGraphFeatures(G, *this);
} }
~GraphWriter() { void writeFooter() {
// Finish off the graph // Finish off the graph
O << "}\n"; O << "}\n";
} }
@ -180,7 +175,19 @@ template<typename GraphType>
std::ostream &WriteGraph(std::ostream &O, const GraphType &G, std::ostream &WriteGraph(std::ostream &O, const GraphType &G,
const std::string &Name = "") { const std::string &Name = "") {
// Start the graph emission process... // Start the graph emission process...
GraphWriter<GraphType> W(O, G, Name); 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);
// Output the end of the graph
W.writeFooter();
return O; return O;
} }