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/System/Path.h"
16 #include "llvm/System/Program.h"
17 #include "llvm/Config/config.h"
20 std::string llvm::DOT::EscapeString(const std::string &Label) {
21 std::string Str(Label);
22 for (unsigned i = 0; i != Str.length(); ++i)
25 Str.insert(Str.begin()+i, '\\'); // Escape character...
30 Str.insert(Str.begin()+i, ' '); // Convert to two spaces
35 if (i+1 != Str.length())
37 case 'l': continue; // don't disturb \l
38 case '|': case '{': case '}':
39 Str.erase(Str.begin()+i); continue;
45 Str.insert(Str.begin()+i, '\\'); // Escape character...
46 ++i; // don't infinite loop
54 void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
55 GraphProgram::Name program) {
58 sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
60 std::vector<const char*> args;
61 args.push_back(Graphviz.c_str());
62 args.push_back(Filename.c_str());
65 errs() << "Running 'Graphviz' program... ";
66 if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) {
67 errs() << "Error viewing graph " << Filename.str() << ": " << ErrMsg
71 Filename.eraseFromDisk();
72 errs() << " done. \n";
75 std::vector<const char*> args;
76 args.push_back(LLVM_PATH_XDOT_PY);
77 args.push_back(Filename.c_str());
80 case GraphProgram::DOT: args.push_back("-f"); args.push_back("dot"); break;
81 case GraphProgram::FDP: args.push_back("-f"); args.push_back("fdp"); break;
82 case GraphProgram::NEATO: args.push_back("-f"); args.push_back("neato");break;
83 case GraphProgram::TWOPI: args.push_back("-f"); args.push_back("twopi");break;
84 case GraphProgram::CIRCO: args.push_back("-f"); args.push_back("circo");break;
85 default: errs() << "Unknown graph layout name; using default.\n";
90 errs() << "Running 'xdot.py' program... ";
91 if (sys::Program::ExecuteAndWait(sys::Path(LLVM_PATH_XDOT_PY),
92 &args[0],0,0,0,0,&ErrMsg)) {
93 errs() << "Error viewing graph " << Filename.str() << ": " << ErrMsg
97 Filename.eraseFromDisk();
98 errs() << " done. \n";
100 #elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
101 HAVE_TWOPI || HAVE_CIRCO))
102 sys::Path PSFilename = Filename;
103 PSFilename.appendSuffix("ps");
107 // Set default grapher
109 prog = sys::Path(LLVM_PATH_CIRCO);
112 prog = sys::Path(LLVM_PATH_TWOPI);
115 prog = sys::Path(LLVM_PATH_NEATO);
118 prog = sys::Path(LLVM_PATH_FDP);
121 prog = sys::Path(LLVM_PATH_DOT);
124 // Find which program the user wants
126 if (program == GraphProgram::DOT)
127 prog = sys::Path(LLVM_PATH_DOT);
130 if (program == GraphProgram::FDP)
131 prog = sys::Path(LLVM_PATH_FDP);
134 if (program == GraphProgram::NEATO)
135 prog = sys::Path(LLVM_PATH_NEATO);
138 if (program == GraphProgram::TWOPI)
139 prog = sys::Path(LLVM_PATH_TWOPI);
142 if (program == GraphProgram::CIRCO)
143 prog = sys::Path(LLVM_PATH_CIRCO);
146 std::vector<const char*> args;
147 args.push_back(prog.c_str());
148 args.push_back("-Tps");
149 args.push_back("-Nfontname=Courier");
150 args.push_back("-Gsize=7.5,10");
151 args.push_back(Filename.c_str());
152 args.push_back("-o");
153 args.push_back(PSFilename.c_str());
156 errs() << "Running '" << prog.str() << "' program... ";
158 if (sys::Program::ExecuteAndWait(prog, &args[0], 0, 0, 0, 0, &ErrMsg)) {
159 errs() << "Error viewing graph " << Filename.str() << ": '"
163 errs() << " done. \n";
165 sys::Path gv(LLVM_PATH_GV);
167 args.push_back(gv.c_str());
168 args.push_back(PSFilename.c_str());
169 args.push_back("--spartan");
174 if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg))
175 errs() << "Error viewing graph: " << ErrMsg << "\n";
176 Filename.eraseFromDisk();
177 PSFilename.eraseFromDisk();
180 sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg);
181 errs() << "Remember to erase graph files: " << Filename.str() << " "
182 << PSFilename.str() << "\n";
185 sys::Path dotty(LLVM_PATH_DOTTY);
187 std::vector<const char*> args;
188 args.push_back(dotty.c_str());
189 args.push_back(Filename.c_str());
192 errs() << "Running 'dotty' program... ";
193 if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
194 errs() << "Error viewing graph " << Filename.str() << ": "
197 // Dotty spawns another app and doesn't wait until it returns
198 #if defined (__MINGW32__) || defined (_WINDOWS)
201 Filename.eraseFromDisk();