1 //===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements misc. GraphWriter support routines.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Support/GraphWriter.h"
15 #include "llvm/Support/Streams.h"
16 #include "llvm/System/Path.h"
17 #include "llvm/System/Program.h"
18 #include "llvm/Config/config.h"
21 void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
22 GraphProgram::Name program) {
25 sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
27 std::vector<const char*> args;
28 args.push_back(Graphviz.c_str());
29 args.push_back(Filename.c_str());
32 cerr << "Running 'Graphviz' program... ";
33 if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) {
34 cerr << "Error viewing graph " << Filename << ": " << ErrMsg << "\n";
37 Filename.eraseFromDisk();
40 #elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
41 HAVE_TWOPI || HAVE_CIRCO))
42 sys::Path PSFilename = Filename;
43 PSFilename.appendSuffix("ps");
47 // Set default grapher
49 prog = sys::Path(LLVM_PATH_CIRCO);
52 prog = sys::Path(LLVM_PATH_TWOPI);
55 prog = sys::Path(LLVM_PATH_NEATO);
58 prog = sys::Path(LLVM_PATH_FDP);
61 prog = sys::Path(LLVM_PATH_DOT);
64 // Find which program the user wants
66 if (program == GraphProgram::DOT) {
67 prog = sys::Path(LLVM_PATH_DOT);
71 if (program == GraphProgram::FDP) {
72 prog = sys::Path(LLVM_PATH_FDP);
76 if (program == GraphProgram::NEATO) {
77 prog = sys::Path(LLVM_PATH_NEATO);
81 if (program == GraphProgram::TWOPI) {
82 prog = sys::Path(LLVM_PATH_TWOPI);
86 if (program == GraphProgram::CIRCO) {
87 prog = sys::Path(LLVM_PATH_CIRCO);
91 std::vector<const char*> args;
92 args.push_back(prog.c_str());
93 args.push_back("-Tps");
94 args.push_back("-Nfontname=Courier");
95 args.push_back("-Gsize=7.5,10");
96 args.push_back(Filename.c_str());
98 args.push_back(PSFilename.c_str());
101 cerr << "Running '" << prog << "' program... ";
103 if (sys::Program::ExecuteAndWait(prog, &args[0],0,0,0,0,&ErrMsg)) {
104 cerr << "Error viewing graph " << Filename << ": '" << ErrMsg << "\n";
108 sys::Path gv(LLVM_PATH_GV);
110 args.push_back(gv.c_str());
111 args.push_back(PSFilename.c_str());
112 args.push_back("-spartan");
117 if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg)) {
118 cerr << "Error viewing graph: " << ErrMsg << "\n";
120 Filename.eraseFromDisk();
121 PSFilename.eraseFromDisk();
124 sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg);
125 cerr << "Remember to erase graph files: " << Filename << " " << PSFilename << "\n";
129 sys::Path dotty(LLVM_PATH_DOTTY);
131 std::vector<const char*> args;
132 args.push_back(dotty.c_str());
133 args.push_back(Filename.c_str());
136 cerr << "Running 'dotty' program... ";
137 if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
138 cerr << "Error viewing graph " << Filename << ": " << ErrMsg << "\n";
140 #ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
143 Filename.eraseFromDisk();