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//===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements misc. GraphWriter support routines.
//
//===----------------------------------------------------------------------===//
#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"
using namespace llvm;
void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
GraphProgram::Name program) {
std::string ErrMsg;
#if HAVE_GRAPHVIZ
sys::Path 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();
}
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
sys::Path PSFilename = Filename;
PSFilename.appendSuffix("ps");
sys::Path prog;
// Set default grapher
#if HAVE_CIRCO
prog = sys::Path(LLVM_PATH_CIRCO);
#endif
#if HAVE_TWOPI
prog = sys::Path(LLVM_PATH_TWOPI);
#endif
#if HAVE_NEATO
prog = sys::Path(LLVM_PATH_NEATO);
#endif
#if HAVE_FDP
prog = sys::Path(LLVM_PATH_FDP);
#endif
#if HAVE_DOT
prog = sys::Path(LLVM_PATH_DOT);
#endif
// Find which program the user wants
#if HAVE_DOT
if (program == GraphProgram::DOT) {
prog = sys::Path(LLVM_PATH_DOT);
}
#endif
#if (HAVE_FDP)
if (program == GraphProgram::FDP) {
prog = sys::Path(LLVM_PATH_FDP);
}
#endif
#if (HAVE_NEATO)
if (program == GraphProgram::NEATO) {
prog = sys::Path(LLVM_PATH_NEATO);
}
#endif
#if (HAVE_TWOPI)
if (program == GraphProgram::TWOPI) {
prog = sys::Path(LLVM_PATH_TWOPI);
}
#endif
#if (HAVE_CIRCO)
if (program == GraphProgram::CIRCO) {
prog = sys::Path(LLVM_PATH_CIRCO);
}
#endif
std::vector<const char*> args;
args.push_back(prog.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
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";
}
}
#elif HAVE_DOTTY
sys::Path 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;
#endif
Filename.eraseFromDisk();
}
#endif
}
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