Add support for viewing graphviz graphs with xdot.py.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/GraphWriter.cpp b/lib/Support/GraphWriter.cpp
index fdd6285..47779ee 100644
--- a/lib/Support/GraphWriter.cpp
+++ b/lib/Support/GraphWriter.cpp
@@ -69,6 +69,32 @@
else
Filename.eraseFromDisk();
+#elif HAVE_XDOT_PY
+ sys::Path XDotPy();
+
+ std::vector<const char*> args;
+ args.push_back(LLVM_PATH_XDOT_PY);
+ args.push_back(Filename.c_str());
+
+ switch (program) {
+ case GraphProgram::DOT: args.push_back("-f"); args.push_back("dot"); break;
+ case GraphProgram::FDP: args.push_back("-f"); args.push_back("fdp"); break;
+ case GraphProgram::NEATO: args.push_back("-f"); args.push_back("neato");break;
+ case GraphProgram::TWOPI: args.push_back("-f"); args.push_back("twopi");break;
+ case GraphProgram::CIRCO: args.push_back("-f"); args.push_back("circo");break;
+ default: errs() << "Unknown graph layout name; using default.\n";
+ }
+
+ args.push_back(0);
+
+ errs() << "Running 'xdot.py' program... ";
+ if (sys::Program::ExecuteAndWait(sys::Path(LLVM_PATH_XDOT_PY),
+ &args[0],0,0,0,0,&ErrMsg))
+ errs() << "Error viewing graph " << Filename.str() << ": " << ErrMsg
+ << "\n";
+ else
+ Filename.eraseFromDisk();
+
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
sys::Path PSFilename = Filename;