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For PR798:

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Add support for Graphviz. Patch contributed by Anton Korobeynikov.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28684 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2006-06-05 15:44:46 +00:00
parent c21051ff96
commit 3e0c154240
4 changed files with 220 additions and 40 deletions
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88
lib/Analysis/DataStructure/Printer.cpp
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@@ -19,7 +19,10 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Config/config.h"
#include <fstream>
#include <sstream>
using namespace llvm;
@@ -256,17 +259,90 @@ void DSGraph::writeGraphToFile(std::ostream &O,
/// then cleanup. For use from the debugger.
///
void DSGraph::viewGraph() const {
std::ofstream F("/tmp/tempgraph.dot");
char pathsuff[9];
sprintf(pathsuff, "%06u", unsigned(rand()));
sys::Path TempDir = sys::Path::GetTemporaryDirectory();
sys::Path Filename = TempDir;
Filename.appendComponent("ds.tempgraph." + std::string(pathsuff) + ".dot");
std::cerr << "Writing '" << Filename << "'... ";
std::ofstream F(Filename.c_str());
if (!F.good()) {
std::cerr << "Error opening '/tmp/tempgraph.dot' for temporary graph!\n";
std::cerr << " error opening file for writing!\n";
return;
}
print(F);
F.close();
if (system("dot -Tps -Gsize=10,7.5 -Grotate=90 /tmp/tempgraph.dot > /tmp/tempgraph.ps"))
std::cerr << "Error running dot: 'dot' not in path?\n";
system("gv /tmp/tempgraph.ps");
system("rm /tmp/tempgraph.dot /tmp/tempgraph.ps");
std::cerr << "\n";
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'Graphviz' program... " << std::flush;
if (sys::Program::ExecuteAndWait(Graphviz, &args[0])) {
std::cerr << "Error viewing graph: 'Graphviz' not in path?\n";
} else {
Filename.eraseFromDisk();
return;
}
#elif (HAVE_GV && HAVE_DOT)
sys::Path PSFilename = TempDir;
PSFilename.appendComponent(std::string("ds.tempgraph") + "." + pathsuff + ".ps");
sys::Path dot(LLVM_PATH_DOT);
std::vector<const char*> args;
args.push_back(dot.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
std::cerr << "Running 'dot' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dot, &args[0])) {
std::cerr << "Error viewing graph: 'dot' not in path?\n";
} else {
std::cerr << "\n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back(0);
sys::Program::ExecuteAndWait(gv, &args[0]);
}
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(Filename.c_str());
args.push_back(0);
std::cerr << "Running 'dotty' program... " << std::flush;
if (sys::Program::ExecuteAndWait(dotty, &args[0])) {
std::cerr << "Error viewing graph: 'dotty' not in path?\n";
} else {
#ifndef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
Filename.eraseFromDisk();
#endif
return;
}
#endif
Filename.eraseFromDisk();
TempDir.eraseFromDisk(true);
}