1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
//===-- llvm/Support/DotGraphTraits.h - Customize .dot output ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines a template class that can be used to customize dot output
// graphs generated by the GraphWriter.h file. The default implementation of
// this file will produce a simple, but not very polished graph. By
// specializing this template, lots of customization opportunities are possible.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_DOTGRAPHTRAITS_H
#define LLVM_SUPPORT_DOTGRAPHTRAITS_H
#include <string>
namespace llvm {
/// DefaultDOTGraphTraits - This class provides the default implementations of
/// all of the DOTGraphTraits methods. If a specialization does not need to
/// override all methods here it should inherit so that it can get the default
/// implementations.
///
struct DefaultDOTGraphTraits {
/// getGraphName - Return the label for the graph as a whole. Printed at the
/// top of the graph.
///
template<typename GraphType>
static std::string getGraphName(const GraphType& Graph) { return ""; }
/// getGraphProperties - Return any custom properties that should be included
/// in the top level graph structure for dot.
///
template<typename GraphType>
static std::string getGraphProperties(const GraphType& Graph) {
return "";
}
/// renderGraphFromBottomUp - If this function returns true, the graph is
/// emitted bottom-up instead of top-down. This requires graphviz 2.0 to work
/// though.
static bool renderGraphFromBottomUp() {
return false;
}
/// getNodeLabel - Given a node and a pointer to the top level graph, return
/// the label to print in the node.
template<typename GraphType>
static std::string getNodeLabel(const void *Node, const GraphType& Graph) {
return "";
}
/// hasNodeAddressLabel - If this method returns true, the address of the node
/// is added to the label of the node.
template<typename GraphType>
static bool hasNodeAddressLabel(const void *Node, const GraphType& Graph) {
return false;
}
/// If you want to specify custom node attributes, this is the place to do so
///
template<typename GraphType>
static std::string getNodeAttributes(const void *Node,
const GraphType& Graph) {
return "";
}
/// If you want to override the dot attributes printed for a particular edge,
/// override this method.
template<typename EdgeIter>
static std::string getEdgeAttributes(const void *Node, EdgeIter EI) {
return "";
}
/// getEdgeSourceLabel - If you want to label the edge source itself,
/// implement this method.
template<typename EdgeIter>
static std::string getEdgeSourceLabel(const void *Node, EdgeIter I) {
return "";
}
/// edgeTargetsEdgeSource - This method returns true if this outgoing edge
/// should actually target another edge source, not a node. If this method is
/// implemented, getEdgeTarget should be implemented.
template<typename EdgeIter>
static bool edgeTargetsEdgeSource(const void *Node, EdgeIter I) {
return false;
}
/// getEdgeTarget - If edgeTargetsEdgeSource returns true, this method is
/// called to determine which outgoing edge of Node is the target of this
/// edge.
template<typename EdgeIter>
static EdgeIter getEdgeTarget(const void *Node, EdgeIter I) {
return I;
}
/// hasEdgeDestLabels - If this function returns true, the graph is able
/// to provide labels for edge destinations.
static bool hasEdgeDestLabels() {
return false;
}
/// numEdgeDestLabels - If hasEdgeDestLabels, this function returns the
/// number of incoming edge labels the given node has.
static unsigned numEdgeDestLabels(const void *Node) {
return 0;
}
/// getEdgeDestLabel - If hasEdgeDestLabels, this function returns the
/// incoming edge label with the given index in the given node.
static std::string getEdgeDestLabel(const void *Node, unsigned i) {
return "";
}
/// addCustomGraphFeatures - If a graph is made up of more than just
/// straight-forward nodes and edges, this is the place to put all of the
/// custom stuff necessary. The GraphWriter object, instantiated with your
/// GraphType is passed in as an argument. You may call arbitrary methods on
/// it to add things to the output graph.
///
template<typename GraphType, typename GraphWriter>
static void addCustomGraphFeatures(const GraphType& Graph, GraphWriter &GW) {}
};
/// DOTGraphTraits - Template class that can be specialized to customize how
/// graphs are converted to 'dot' graphs. When specializing, you may inherit
/// from DefaultDOTGraphTraits if you don't need to override everything.
///
template <typename Ty>
struct DOTGraphTraits : public DefaultDOTGraphTraits {};
} // End llvm namespace
#endif
|
