//===----------------------------------------------------------------------===//
#include "llvm/Support/GraphWriter.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/Path.h"
-#include "llvm/System/Program.h"
#include "llvm/Config/config.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Program.h"
using namespace llvm;
-void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
+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;
+}
+
+/// \brief Get a color string for this node number. Simply round-robin selects
+/// from a reasonable number of colors.
+StringRef llvm::DOT::getColorString(unsigned ColorNumber) {
+ static const int NumColors = 20;
+ static const char* Colors[NumColors] = {
+ "aaaaaa", "aa0000", "00aa00", "aa5500", "0055ff", "aa00aa", "00aaaa",
+ "555555", "ff5555", "55ff55", "ffff55", "5555ff", "ff55ff", "55ffff",
+ "ffaaaa", "aaffaa", "ffffaa", "aaaaff", "ffaaff", "aaffff"};
+ return Colors[ColorNumber % NumColors];
+}
+
+std::string llvm::createGraphFilename(const Twine &Name, int &FD) {
+ FD = -1;
+ SmallString<128> Filename;
+ error_code EC = sys::fs::createTemporaryFile(Name, "dot", FD, Filename);
+ if (EC) {
+ errs() << "Error: " << EC.message() << "\n";
+ return "";
+ }
+
+ errs() << "Writing '" << Filename << "'... ";
+ return Filename.str();
+}
+
+// Execute the graph viewer. Return true if successful.
+static bool LLVM_ATTRIBUTE_UNUSED
+ExecGraphViewer(StringRef ExecPath, std::vector<const char*> &args,
+ StringRef Filename, bool wait, std::string &ErrMsg) {
+ if (wait) {
+ if (sys::ExecuteAndWait(ExecPath, &args[0],0,0,0,0,&ErrMsg)) {
+ errs() << "Error: " << ErrMsg << "\n";
+ return false;
+ }
+ sys::fs::remove(Filename);
+ errs() << " done. \n";
+ }
+ else {
+ sys::ExecuteNoWait(ExecPath, &args[0],0,0,0,&ErrMsg);
+ errs() << "Remember to erase graph file: " << Filename.str() << "\n";
+ }
+ return true;
+}
+
+void llvm::DisplayGraph(StringRef FilenameRef, bool wait,
GraphProgram::Name program) {
+ std::string Filename = FilenameRef;
+ wait &= !ViewBackground;
std::string ErrMsg;
#if HAVE_GRAPHVIZ
- sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
+ std::string 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);
-
- cerr << "Running 'Graphviz' program... ";
- 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
+ std::vector<const char*> args;
+ args.push_back(LLVM_PATH_XDOT);
+ 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(LLVM_PATH_XDOT, args, Filename, wait, ErrMsg))
+ return;
+
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
- sys::Path PSFilename = Filename;
- PSFilename.appendSuffix("ps");
-
- sys::Path prog;
+ std::string PSFilename = Filename + ".ps";
+ std::string prog;
// Set default grapher
#if HAVE_CIRCO
- prog = sys::Path(LLVM_PATH_CIRCO);
+ prog = LLVM_PATH_CIRCO;
#endif
#if HAVE_TWOPI
- prog = sys::Path(LLVM_PATH_TWOPI);
+ prog = LLVM_PATH_TWOPI;
#endif
#if HAVE_NEATO
- prog = sys::Path(LLVM_PATH_NEATO);
+ prog = LLVM_PATH_NEATO;
#endif
#if HAVE_FDP
- prog = sys::Path(LLVM_PATH_FDP);
+ prog = LLVM_PATH_FDP;
#endif
#if HAVE_DOT
- prog = sys::Path(LLVM_PATH_DOT);
+ prog = LLVM_PATH_DOT;
#endif
// Find which program the user wants
#if HAVE_DOT
- if (program == GraphProgram::DOT) {
- prog = sys::Path(LLVM_PATH_DOT);
- }
+ if (program == GraphProgram::DOT)
+ prog = LLVM_PATH_DOT;
#endif
#if (HAVE_FDP)
- if (program == GraphProgram::FDP) {
- prog = sys::Path(LLVM_PATH_FDP);
- }
+ if (program == GraphProgram::FDP)
+ prog = LLVM_PATH_FDP;
#endif
#if (HAVE_NEATO)
- if (program == GraphProgram::NEATO) {
- prog = sys::Path(LLVM_PATH_NEATO);
- }
+ if (program == GraphProgram::NEATO)
+ prog = LLVM_PATH_NEATO;
#endif
#if (HAVE_TWOPI)
- if (program == GraphProgram::TWOPI) {
- prog = sys::Path(LLVM_PATH_TWOPI);
- }
+ if (program == GraphProgram::TWOPI)
+ prog = LLVM_PATH_TWOPI;
#endif
#if (HAVE_CIRCO)
- if (program == GraphProgram::CIRCO) {
- prog = sys::Path(LLVM_PATH_CIRCO);
- }
+ if (program == GraphProgram::CIRCO)
+ prog = 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... ";
-
- 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 << "' program... ";
+
+ if (!ExecGraphViewer(prog, args, Filename, wait, ErrMsg))
+ return;
+
+ std::string 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);
+ std::string 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);
-
- cerr << "Running 'dotty' program... ";
- 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;
+#else
+ (void)Filename;
+ (void)ErrMsg;
#endif
}
projects / oota-llvm.git / blobdiff