-#ifndef NDEBUG
- char pathsuff[9];
-
- sprintf(pathsuff, "%06u", unsigned(rand()));
-
- sys::Path TempDir = sys::Path::GetTemporaryDirectory();
- sys::Path Filename = TempDir;
-
- Filename.appendComponent("cfg" + getName() + "." + pathsuff + ".dot");
- std::cerr << "Writing '" << Filename << "'... ";
- std::ofstream F(Filename.c_str());
-
- if (!F.good()) {
- std::cerr << " error opening file for writing!\n";
- return;
- }
-
- WriteGraph(F, this);
- F.close();
- 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("cfg.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(dotty.c_str());
- 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
-
-#endif // NDEBUG
- std::cerr << "Function::viewCFG is only available in debug builds on "
- << "systems with Graphviz or gv or dotty!\n";
-
-#ifndef NDEBUG
- Filename.eraseFromDisk();
- TempDir.eraseFromDisk(true);
-#endif