//
//===----------------------------------------------------------------------===//
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/Path.h"
-#include "llvm/System/Program.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
#include "llvm/Config/config.h"
using namespace llvm;
+static cl::opt<bool> ViewBackground("view-background", cl::Hidden,
+ cl::desc("Execute graph viewer in the background. Creates tmp file litter."));
+
+std::string llvm::DOT::EscapeString(const std::string &Label) {
+ std::string Str(Label);
+ for (unsigned i = 0; i != Str.length(); ++i)
+ switch (Str[i]) {
+ case '\n':
+ Str.insert(Str.begin()+i, '\\'); // Escape character...
+ ++i;
+ Str[i] = 'n';
+ break;
+ case '\t':
+ Str.insert(Str.begin()+i, ' '); // Convert to two spaces
+ ++i;
+ Str[i] = ' ';
+ break;
+ case '\\':
+ if (i+1 != Str.length())
+ switch (Str[i+1]) {
+ case 'l': continue; // don't disturb \l
+ case '|': case '{': case '}':
+ Str.erase(Str.begin()+i); continue;
+ default: break;
+ }
+ case '{': case '}':
+ case '<': case '>':
+ case '|': case '"':
+ Str.insert(Str.begin()+i, '\\'); // Escape character...
+ ++i; // don't infinite loop
+ break;
+ }
+ return Str;
+}
+
+// Execute the graph viewer. Return true if successful.
+static bool LLVM_ATTRIBUTE_UNUSED
+ExecGraphViewer(const sys::Path &ExecPath, std::vector<const char*> &args,
+ const sys::Path &Filename, bool wait, std::string &ErrMsg) {
+ if (wait) {
+ if (sys::Program::ExecuteAndWait(ExecPath, &args[0],0,0,0,0,&ErrMsg)) {
+ errs() << "Error: " << ErrMsg << "\n";
+ return false;
+ }
+ Filename.eraseFromDisk();
+ errs() << " done. \n";
+ }
+ else {
+ sys::Program::ExecuteNoWait(ExecPath, &args[0],0,0,0,&ErrMsg);
+ errs() << "Remember to erase graph file: " << Filename.str() << "\n";
+ }
+ return true;
+}
+
void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
GraphProgram::Name program) {
+ wait &= !ViewBackground;
std::string ErrMsg;
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
-
- cerr << "Running 'Graphviz' program... " << std::flush;
- if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) {
- cerr << "Error viewing graph " << Filename << ": " << ErrMsg << "\n";
- }
- else {
- Filename.eraseFromDisk();
+
+ errs() << "Running 'Graphviz' program... ";
+ if (!ExecGraphViewer(Graphviz, args, Filename, wait, ErrMsg))
+ return;
+
+#elif HAVE_XDOT_PY
+ 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;
}
+ args.push_back(0);
+
+ errs() << "Running 'xdot.py' program... ";
+ if (!ExecGraphViewer(sys::Path(LLVM_PATH_XDOT_PY), args, Filename, wait, ErrMsg))
+ return;
+
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
sys::Path PSFilename = Filename;
// Find which program the user wants
#if HAVE_DOT
- if (program == GraphProgram::DOT) {
+ if (program == GraphProgram::DOT)
prog = sys::Path(LLVM_PATH_DOT);
- }
#endif
#if (HAVE_FDP)
- if (program == GraphProgram::FDP) {
+ if (program == GraphProgram::FDP)
prog = sys::Path(LLVM_PATH_FDP);
- }
#endif
#if (HAVE_NEATO)
- if (program == GraphProgram::NEATO) {
+ if (program == GraphProgram::NEATO)
prog = sys::Path(LLVM_PATH_NEATO);
- }
#endif
#if (HAVE_TWOPI)
- if (program == GraphProgram::TWOPI) {
+ if (program == GraphProgram::TWOPI)
prog = sys::Path(LLVM_PATH_TWOPI);
- }
#endif
#if (HAVE_CIRCO)
- if (program == GraphProgram::CIRCO) {
+ if (program == GraphProgram::CIRCO)
prog = sys::Path(LLVM_PATH_CIRCO);
- }
#endif
std::vector<const char*> args;
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
-
- cerr << "Running '" << prog << "' program... " << std::flush;
-
- if (sys::Program::ExecuteAndWait(prog, &args[0],0,0,0,0,&ErrMsg)) {
- cerr << "Error viewing graph " << Filename << ": '" << ErrMsg << "\n";
- } else {
- cerr << " done. \n";
-
- sys::Path gv(LLVM_PATH_GV);
- args.clear();
- args.push_back(gv.c_str());
- args.push_back(PSFilename.c_str());
- args.push_back("-spartan");
- args.push_back(0);
-
- ErrMsg.clear();
- if (wait) {
- if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg)) {
- cerr << "Error viewing graph: " << ErrMsg << "\n";
- }
- Filename.eraseFromDisk();
- PSFilename.eraseFromDisk();
- }
- else {
- sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg);
- cerr << "Remember to erase graph files: " << Filename << " " << PSFilename << "\n";
- }
- }
+
+ errs() << "Running '" << prog.str() << "' program... ";
+
+ if (!ExecGraphViewer(prog, args, Filename, wait, ErrMsg))
+ return;
+
+ sys::Path gv(LLVM_PATH_GV);
+ args.clear();
+ args.push_back(gv.c_str());
+ args.push_back(PSFilename.c_str());
+ args.push_back("--spartan");
+ args.push_back(0);
+
+ ErrMsg.clear();
+ if (!ExecGraphViewer(gv, args, PSFilename, wait, ErrMsg))
+ return;
+
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
-
- cerr << "Running 'dotty' program... " << std::flush;
- if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
- cerr << "Error viewing graph " << Filename << ": " << ErrMsg << "\n";
- } else {
-#ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
- return;
+
+// Dotty spawns another app and doesn't wait until it returns
+#if defined (__MINGW32__) || defined (_WINDOWS)
+ wait = false;
#endif
- Filename.eraseFromDisk();
- }
+ errs() << "Running 'dotty' program... ";
+ if (!ExecGraphViewer(dotty, args, Filename, wait, ErrMsg))
+ return;
#endif
}