1 //===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file implements misc. GraphWriter support routines. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/Support/GraphWriter.h" 15 #include "llvm/Support/Path.h" 16 #include "llvm/Support/Program.h" 17 #include "llvm/Config/config.h" 18 using namespace llvm; 19 20 std::string llvm::DOT::EscapeString(const std::string &Label) { 21 std::string Str(Label); 22 for (unsigned i = 0; i != Str.length(); ++i) 23 switch (Str[i]) { 24 case '\n': 25 Str.insert(Str.begin()+i, '\\'); // Escape character... 26 ++i; 27 Str[i] = 'n'; 28 break; 29 case '\t': 30 Str.insert(Str.begin()+i, ' '); // Convert to two spaces 31 ++i; 32 Str[i] = ' '; 33 break; 34 case '\\': 35 if (i+1 != Str.length()) 36 switch (Str[i+1]) { 37 case 'l': continue; // don't disturb \l 38 case '|': case '{': case '}': 39 Str.erase(Str.begin()+i); continue; 40 default: break; 41 } 42 case '{': case '}': 43 case '<': case '>': 44 case '|': case '"': 45 Str.insert(Str.begin()+i, '\\'); // Escape character... 46 ++i; // don't infinite loop 47 break; 48 } 49 return Str; 50 } 51 52 53 54 void llvm::DisplayGraph(const sys::Path &Filename, bool wait, 55 GraphProgram::Name program) { 56 std::string ErrMsg; 57 #if HAVE_GRAPHVIZ 58 sys::Path Graphviz(LLVM_PATH_GRAPHVIZ); 59 60 std::vector<const char*> args; 61 args.push_back(Graphviz.c_str()); 62 args.push_back(Filename.c_str()); 63 args.push_back(0); 64 65 errs() << "Running 'Graphviz' program... "; 66 if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) { 67 errs() << "Error: " << ErrMsg << "\n"; 68 return; 69 } 70 Filename.eraseFromDisk(); 71 errs() << " done. \n"; 72 73 #elif HAVE_XDOT_PY 74 std::vector<const char*> args; 75 args.push_back(LLVM_PATH_XDOT_PY); 76 args.push_back(Filename.c_str()); 77 78 switch (program) { 79 case GraphProgram::DOT: args.push_back("-f"); args.push_back("dot"); break; 80 case GraphProgram::FDP: args.push_back("-f"); args.push_back("fdp"); break; 81 case GraphProgram::NEATO: args.push_back("-f"); args.push_back("neato");break; 82 case GraphProgram::TWOPI: args.push_back("-f"); args.push_back("twopi");break; 83 case GraphProgram::CIRCO: args.push_back("-f"); args.push_back("circo");break; 84 default: errs() << "Unknown graph layout name; using default.\n"; 85 } 86 87 args.push_back(0); 88 89 errs() << "Running 'xdot.py' program... "; 90 if (sys::Program::ExecuteAndWait(sys::Path(LLVM_PATH_XDOT_PY), 91 &args[0],0,0,0,0,&ErrMsg)) { 92 errs() << "Error: " << ErrMsg << "\n"; 93 return; 94 } 95 Filename.eraseFromDisk(); 96 errs() << " done. \n"; 97 98 #elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \ 99 HAVE_TWOPI || HAVE_CIRCO)) 100 sys::Path PSFilename = Filename; 101 PSFilename.appendSuffix("ps"); 102 103 sys::Path prog; 104 105 // Set default grapher 106 #if HAVE_CIRCO 107 prog = sys::Path(LLVM_PATH_CIRCO); 108 #endif 109 #if HAVE_TWOPI 110 prog = sys::Path(LLVM_PATH_TWOPI); 111 #endif 112 #if HAVE_NEATO 113 prog = sys::Path(LLVM_PATH_NEATO); 114 #endif 115 #if HAVE_FDP 116 prog = sys::Path(LLVM_PATH_FDP); 117 #endif 118 #if HAVE_DOT 119 prog = sys::Path(LLVM_PATH_DOT); 120 #endif 121 122 // Find which program the user wants 123 #if HAVE_DOT 124 if (program == GraphProgram::DOT) 125 prog = sys::Path(LLVM_PATH_DOT); 126 #endif 127 #if (HAVE_FDP) 128 if (program == GraphProgram::FDP) 129 prog = sys::Path(LLVM_PATH_FDP); 130 #endif 131 #if (HAVE_NEATO) 132 if (program == GraphProgram::NEATO) 133 prog = sys::Path(LLVM_PATH_NEATO); 134 #endif 135 #if (HAVE_TWOPI) 136 if (program == GraphProgram::TWOPI) 137 prog = sys::Path(LLVM_PATH_TWOPI); 138 #endif 139 #if (HAVE_CIRCO) 140 if (program == GraphProgram::CIRCO) 141 prog = sys::Path(LLVM_PATH_CIRCO); 142 #endif 143 144 std::vector<const char*> args; 145 args.push_back(prog.c_str()); 146 args.push_back("-Tps"); 147 args.push_back("-Nfontname=Courier"); 148 args.push_back("-Gsize=7.5,10"); 149 args.push_back(Filename.c_str()); 150 args.push_back("-o"); 151 args.push_back(PSFilename.c_str()); 152 args.push_back(0); 153 154 errs() << "Running '" << prog.str() << "' program... "; 155 156 if (sys::Program::ExecuteAndWait(prog, &args[0], 0, 0, 0, 0, &ErrMsg)) { 157 errs() << "Error: " << ErrMsg << "\n"; 158 return; 159 } 160 errs() << " done. \n"; 161 162 sys::Path gv(LLVM_PATH_GV); 163 args.clear(); 164 args.push_back(gv.c_str()); 165 args.push_back(PSFilename.c_str()); 166 args.push_back("--spartan"); 167 args.push_back(0); 168 169 ErrMsg.clear(); 170 if (wait) { 171 if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg)) 172 errs() << "Error: " << ErrMsg << "\n"; 173 Filename.eraseFromDisk(); 174 PSFilename.eraseFromDisk(); 175 } 176 else { 177 sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg); 178 errs() << "Remember to erase graph files: " << Filename.str() << " " 179 << PSFilename.str() << "\n"; 180 } 181 #elif HAVE_DOTTY 182 sys::Path dotty(LLVM_PATH_DOTTY); 183 184 std::vector<const char*> args; 185 args.push_back(dotty.c_str()); 186 args.push_back(Filename.c_str()); 187 args.push_back(0); 188 189 errs() << "Running 'dotty' program... "; 190 if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) { 191 errs() << "Error: " << ErrMsg << "\n"; 192 } else { 193 // Dotty spawns another app and doesn't wait until it returns 194 #if defined (__MINGW32__) || defined (_WINDOWS) 195 return; 196 #endif 197 Filename.eraseFromDisk(); 198 } 199 #endif 200 } 201
