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1fca5ff62b
and work better with VC++. Patch contributed by Morten Ofstad! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17281 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
//===-- llvm/Support/DotGraphTraits.h - Customize .dot output ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a template class that can be used to customize dot output
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// graphs generated by the GraphWriter.h file. The default implementation of
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// this file will produce a simple, but not very polished graph. By
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// specializing this template, lots of customization opportunities are possible.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_DOTGRAPHTRAITS_H
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#define LLVM_SUPPORT_DOTGRAPHTRAITS_H
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#include <string>
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namespace llvm {
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/// DefaultDOTGraphTraits - This class provides the default implementations of
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/// all of the DOTGraphTraits methods. If a specialization does not need to
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/// override all methods here it should inherit so that it can get the default
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/// implementations.
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///
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struct DefaultDOTGraphTraits {
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/// getGraphName - Return the label for the graph as a whole. Printed at the
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/// top of the graph.
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///
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static std::string getGraphName(const void *Graph) { return ""; }
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/// getGraphProperties - Return any custom properties that should be included
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/// in the top level graph structure for dot.
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///
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static std::string getGraphProperties(const void *Graph) {
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return "";
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}
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/// getNodeLabel - Given a node and a pointer to the top level graph, return
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/// the label to print in the node.
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static std::string getNodeLabel(const void *Node, const void *Graph) {
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return "";
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}
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/// If you want to specify custom node attributes, this is the place to do so
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///
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static std::string getNodeAttributes(const void *Node) { return ""; }
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/// If you want to override the dot attributes printed for a particular edge,
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/// override this method.
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template<typename EdgeIter>
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static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
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return "";
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}
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/// getEdgeSourceLabel - If you want to label the edge source itself,
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/// implement this method.
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template<typename EdgeIter>
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static std::string getEdgeSourceLabel(const void *Node, EdgeIter I) {
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return "";
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}
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/// edgeTargetsEdgeSource - This method returns true if this outgoing edge
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/// should actually target another edge source, not a node. If this method is
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/// implemented, getEdgeTarget should be implemented.
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template<typename EdgeIter>
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static bool edgeTargetsEdgeSource(const void *Node, EdgeIter I) {
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return false;
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}
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/// getEdgeTarget - If edgeTargetsEdgeSource returns true, this method is
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/// called to determine which outgoing edge of Node is the target of this
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/// edge.
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template<typename EdgeIter>
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static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
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return I;
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}
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/// addCustomGraphFeatures - If a graph is made up of more than just
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/// straight-forward nodes and edges, this is the place to put all of the
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/// custom stuff necessary. The GraphWriter object, instantiated with your
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/// GraphType is passed in as an argument. You may call arbitrary methods on
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/// it to add things to the output graph.
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///
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template<typename GraphWriter>
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static void addCustomGraphFeatures(const void *Graph, GraphWriter &GW) {}
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};
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/// DOTGraphTraits - Template class that can be specialized to customize how
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/// graphs are converted to 'dot' graphs. When specializing, you may inherit
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/// from DefaultDOTGraphTraits if you don't need to override everything.
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///
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template <typename Ty>
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struct DOTGraphTraits : public DefaultDOTGraphTraits {};
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} // End llvm namespace
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#endif
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