-//===-- Support/GraphWriter.h - Write a graph to a .dot file ---*- C++ -*--===//
+//===-- llvm/Support/GraphWriter.h - Write graph to a .dot file -*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This file defines a simple interface that can be used to print out generic
// LLVM graphs to ".dot" files. "dot" is a tool that is part of the AT&T
//
//===----------------------------------------------------------------------===//
-#ifndef SUPPORT_GRAPHWRITER_H
-#define SUPPORT_GRAPHWRITER_H
+#ifndef LLVM_SUPPORT_GRAPHWRITER_H
+#define LLVM_SUPPORT_GRAPHWRITER_H
+
+#include "llvm/Support/DOTGraphTraits.h"
+#include "llvm/ADT/GraphTraits.h"
+#include <vector>
+#include <iostream>
-#include "Support/DOTGraphTraits.h"
-#include "Support/GraphTraits.h"
-#include <ostream>
+namespace llvm {
namespace DOT { // Private functions...
inline std::string EscapeString(const std::string &Label) {
break; // don't disturb \l
case '{': case '}':
case '<': case '>':
+ case '"':
Str.insert(Str.begin()+i, '\\'); // Escape character...
++i; // don't infinite loop
break;
void writeNode(NodeType *Node) {
std::string NodeAttributes = DOTTraits::getNodeAttributes(Node);
- O << "\tNode" << (void*)Node << " [shape=record,";
+ O << "\tNode" << reinterpret_cast<const void*>(Node) << " [shape=record,";
if (!NodeAttributes.empty()) O << NodeAttributes << ",";
O << "label=\"{"
<< DOT::EscapeString(DOTTraits::getNodeLabel(Node, G));
}
if (EI != EE)
- O << "|truncated...";
+ O << "|<g64>truncated...";
O << "}";
}
O << "}\"];\n"; // Finish printing the "node" line
EI = GTraits::child_begin(Node);
for (unsigned i = 0; EI != EE && i != 64; ++EI, ++i)
writeEdge(Node, i, EI);
+ for (; EI != EE; ++EI)
+ writeEdge(Node, 64, EI);
}
void writeEdge(NodeType *Node, unsigned edgeidx, child_iterator EI) {
// Figure out which edge this targets...
unsigned Offset = std::distance(GTraits::child_begin(TargetNode),
TargetIt);
- if (Offset > 64) Offset = 64; // Targetting the truncated part?
- DestPort = (int)Offset;
+ DestPort = static_cast<int>(Offset);
}
- emitEdge((void *)Node, edgeidx, (void*)TargetNode, DestPort,
+ emitEdge(reinterpret_cast<const void*>(Node), edgeidx,
+ reinterpret_cast<const void*>(TargetNode), DestPort,
DOTTraits::getEdgeAttributes(Node, EI));
}
}
/// emitSimpleNode - Outputs a simple (non-record) node
void emitSimpleNode(const void *ID, const std::string &Attr,
- const std::string &Label, unsigned NumEdgeSources = 0) {
+ const std::string &Label, unsigned NumEdgeSources = 0,
+ const std::vector<std::string> *EdgeSourceLabels = 0) {
O << "\tNode" << ID << "[ ";
if (!Attr.empty())
O << Attr << ",";
- O << " label =\"{" << DOT::EscapeString(Label);
+ O << " label =\"";
+ if (NumEdgeSources) O << "{";
+ O << DOT::EscapeString(Label);
if (NumEdgeSources) {
O << "|{";
for (unsigned i = 0; i != NumEdgeSources; ++i) {
if (i) O << "|";
O << "<g" << i << ">";
+ if (EdgeSourceLabels) O << (*EdgeSourceLabels)[i];
}
- O << "}";
+ O << "}}";
}
- O << "}\"];\n";
+ O << "\"];\n";
}
/// emitEdge - Output an edge from a simple node into the graph...
void emitEdge(const void *SrcNodeID, int SrcNodePort,
const void *DestNodeID, int DestNodePort,
const std::string &Attrs) {
+ if (SrcNodePort > 64) return; // Eminating from truncated part?
+ if (DestNodePort > 64) DestNodePort = 64; // Targetting the truncated part?
+
O << "\tNode" << SrcNodeID;
if (SrcNodePort >= 0)
O << ":g" << SrcNodePort;
- O << " -> Node" << (void*)DestNodeID;
+ O << " -> Node" << reinterpret_cast<const void*>(DestNodeID);
if (DestNodePort >= 0)
O << ":g" << DestNodePort;
return O;
}
+} // End llvm namespace
+
#endif