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- Generic graph printing infrastructure changes:

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* Only print outgoing edges from a cell if the destination isn't null.
       This is important for DSGraphs, which have sources with no edges.
     * Allow Node attributes to override shape of the node


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4192 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-16 01:18:14 +00:00
parent d6d8f41699
commit 63a32de776
2 changed files with 38 additions and 36 deletions
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37
include/Support/GraphWriter.h
View File

@ -69,9 +69,9 @@ std::ostream &WriteGraph(std::ostream &O, const GraphType &G) {
std::string NodeAttributes = DOTTraits::getNodeAttributes(Node); std::string NodeAttributes = DOTTraits::getNodeAttributes(Node);
O << "\tNode" << (void*)Node << " ["; O << "\tNode" << (void*)Node << " [shape=record,";
if (!NodeAttributes.empty()) O << NodeAttributes << ","; if (!NodeAttributes.empty()) O << NodeAttributes << ",";
O << "shape=record,label=\"{" O << "label=\"{"
<< DOT::EscapeString(DOTTraits::getNodeLabel(Node, G)); << DOT::EscapeString(DOTTraits::getNodeLabel(Node, G));
// Print out the fields of the current node... // Print out the fields of the current node...
@ -94,23 +94,24 @@ std::ostream &WriteGraph(std::ostream &O, const GraphType &G) {
// Output all of the edges now // Output all of the edges now
EI = GTraits::child_begin(Node); EI = GTraits::child_begin(Node);
for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) { for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
NodeType *TargetNode = *EI; if (NodeType *TargetNode = *EI) {
O << "\tNode" << (void*)Node << ":g" << i << " -> Node" O << "\tNode" << (void*)Node << ":g" << i << " -> Node"
<< (void*)TargetNode; << (void*)TargetNode;
if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) { if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) {
typename GTraits::ChildIteratorType TargetIt = typename GTraits::ChildIteratorType TargetIt =
DOTTraits::getEdgeTarget(Node, EI); DOTTraits::getEdgeTarget(Node, EI);
// Figure out which edge this targets... // Figure out which edge this targets...
unsigned Offset = std::distance(GTraits::child_begin(TargetNode), unsigned Offset = std::distance(GTraits::child_begin(TargetNode),
TargetIt); TargetIt);
if (Offset > 64) Offset = 64; // Targetting the trancated part? if (Offset > 64) Offset = 64; // Targetting the trancated part?
O << ":g" << Offset; O << ":g" << Offset;
} }
std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI); std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI);
if (!EdgeAttributes.empty()) if (!EdgeAttributes.empty())
O << "[" << EdgeAttributes << "]"; O << "[" << EdgeAttributes << "]";
O << ";\n"; O << ";\n";
}
} }
} }

37
include/llvm/Support/GraphWriter.h
View File

@ -69,9 +69,9 @@ std::ostream &WriteGraph(std::ostream &O, const GraphType &G) {
std::string NodeAttributes = DOTTraits::getNodeAttributes(Node); std::string NodeAttributes = DOTTraits::getNodeAttributes(Node);
O << "\tNode" << (void*)Node << " ["; O << "\tNode" << (void*)Node << " [shape=record,";
if (!NodeAttributes.empty()) O << NodeAttributes << ","; if (!NodeAttributes.empty()) O << NodeAttributes << ",";
O << "shape=record,label=\"{" O << "label=\"{"
<< DOT::EscapeString(DOTTraits::getNodeLabel(Node, G)); << DOT::EscapeString(DOTTraits::getNodeLabel(Node, G));
// Print out the fields of the current node... // Print out the fields of the current node...
@ -94,23 +94,24 @@ std::ostream &WriteGraph(std::ostream &O, const GraphType &G) {
// Output all of the edges now // Output all of the edges now
EI = GTraits::child_begin(Node); EI = GTraits::child_begin(Node);
for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) { for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i) {
NodeType *TargetNode = *EI; if (NodeType *TargetNode = *EI) {
O << "\tNode" << (void*)Node << ":g" << i << " -> Node" O << "\tNode" << (void*)Node << ":g" << i << " -> Node"
<< (void*)TargetNode; << (void*)TargetNode;
if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) { if (DOTTraits::edgeTargetsEdgeSource(Node, EI)) {
typename GTraits::ChildIteratorType TargetIt = typename GTraits::ChildIteratorType TargetIt =
DOTTraits::getEdgeTarget(Node, EI); DOTTraits::getEdgeTarget(Node, EI);
// Figure out which edge this targets... // Figure out which edge this targets...
unsigned Offset = std::distance(GTraits::child_begin(TargetNode), unsigned Offset = std::distance(GTraits::child_begin(TargetNode),
TargetIt); TargetIt);
if (Offset > 64) Offset = 64; // Targetting the trancated part? if (Offset > 64) Offset = 64; // Targetting the trancated part?
O << ":g" << Offset; O << ":g" << Offset;
} }
std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI); std::string EdgeAttributes = DOTTraits::getEdgeAttributes(Node, EI);
if (!EdgeAttributes.empty()) if (!EdgeAttributes.empty())
O << "[" << EdgeAttributes << "]"; O << "[" << EdgeAttributes << "]";
O << ";\n"; O << ";\n";
}
} }
} }