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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
//===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements misc. GraphWriter support routines.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/GraphWriter.h"
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#include "llvm/Support/Streams.h"
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#include "llvm/System/Path.h"
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#include "llvm/System/Program.h"
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#include "llvm/Config/config.h"
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using namespace llvm;
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void llvm::DisplayGraph(const sys::Path &Filename) {
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std::string ErrMsg;
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#if HAVE_GRAPHVIZ
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sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
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std::vector<const char*> args;
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args.push_back(Graphviz.c_str());
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args.push_back(Filename.c_str());
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args.push_back(0);
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cerr << "Running 'Graphviz' program... " << std::flush;
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if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,&ErrMsg)) {
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cerr << "Error viewing graph: " << ErrMsg << "\n";
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}
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#elif (HAVE_GV && HAVE_DOT)
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sys::Path PSFilename = Filename;
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PSFilename.appendSuffix("ps");
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sys::Path dot(LLVM_PATH_DOT);
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std::vector<const char*> args;
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args.push_back(dot.c_str());
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args.push_back("-Tps");
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args.push_back("-Nfontname=Courier");
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args.push_back("-Gsize=7.5,10");
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args.push_back(Filename.c_str());
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args.push_back("-o");
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args.push_back(PSFilename.c_str());
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args.push_back(0);
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cerr << "Running 'dot' program... " << std::flush;
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if (sys::Program::ExecuteAndWait(dot, &args[0],0,0,0,&ErrMsg)) {
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cerr << "Error viewing graph: '" << ErrMsg << "\n";
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} else {
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cerr << " done. \n";
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sys::Path gv(LLVM_PATH_GV);
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args.clear();
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args.push_back(gv.c_str());
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args.push_back(PSFilename.c_str());
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args.push_back(0);
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ErrMsg.clear();
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if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,&ErrMsg)) {
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cerr << "Error viewing graph: " << ErrMsg << "\n";
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}
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}
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PSFilename.eraseFromDisk();
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#elif HAVE_DOTTY
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sys::Path dotty(LLVM_PATH_DOTTY);
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std::vector<const char*> args;
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args.push_back(Filename.c_str());
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args.push_back(0);
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cerr << "Running 'dotty' program... " << std::flush;
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if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,&ErrMsg)) {
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cerr << "Error viewing graph: " << ErrMsg << "\n";
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} else {
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#ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
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return;
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#endif
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}
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#endif
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Filename.eraseFromDisk();
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}
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