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Added -view-background to avoid waiting for each GraphViz invocation.

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GV and XDOT paths are untested but should work the same.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2012-03-07 00:18:27 +00:00
parent 0df7f8821c
commit 255cd51fbd
1 changed files with 40 additions and 39 deletions
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79
lib/Support/GraphWriter.cpp
View File

@ -11,12 +11,16 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Config/config.h"
using namespace llvm;
static cl::opt<bool> ViewBackground("view-background", cl::Hidden,
cl::desc("Execute graph viewer in the background. Creates tmp file litter."));
std::string llvm::DOT::EscapeString(const std::string &Label) {
std::string Str(Label);
for (unsigned i = 0; i != Str.length(); ++i)
@ -49,10 +53,30 @@ std::string llvm::DOT::EscapeString(const std::string &Label) {
return Str;
}
// Execute the graph viewer. Return true if successful.
static bool ExecGraphViewer(const sys::Path &ExecPath,
std::vector<const char*> &args,
const sys::Path &Filename,
bool wait,
std::string &ErrMsg) {
if (wait) {
if (sys::Program::ExecuteAndWait(ExecPath, &args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
return false;
}
Filename.eraseFromDisk();
errs() << " done. \n";
}
else {
sys::Program::ExecuteNoWait(ExecPath, &args[0],0,0,0,&ErrMsg);
errs() << "Remember to erase graph file: " << Filename.str() << "\n";
}
return true;
}
void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
GraphProgram::Name program) {
wait &= !ViewBackground;
std::string ErrMsg;
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
@ -61,14 +85,10 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
errs() << "Running 'Graphviz' program... ";
if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
if (!ExecGraphViewer(Graphviz, args, Filename, wait, ErrMsg))
return;
}
Filename.eraseFromDisk();
errs() << " done. \n";
#elif HAVE_XDOT_PY
std::vector<const char*> args;
@ -83,17 +103,12 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
case GraphProgram::CIRCO: args.push_back("-f"); args.push_back("circo");break;
default: errs() << "Unknown graph layout name; using default.\n";
}
args.push_back(0);
errs() << "Running 'xdot.py' program... ";
if (sys::Program::ExecuteAndWait(sys::Path(LLVM_PATH_XDOT_PY),
&args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
if (!ExecGraphViewer(sys::Path(LLVM_PATH_XDOT_PY), args, Filename, wait, ErrMsg))
return;
}
Filename.eraseFromDisk();
errs() << " done. \n";
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
@ -150,14 +165,11 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
errs() << "Running '" << prog.str() << "' program... ";
if (sys::Program::ExecuteAndWait(prog, &args[0], 0, 0, 0, 0, &ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
if (!ExecGraphViewer(prog, args, Filename, wait, ErrMsg))
return;
}
errs() << " done. \n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
@ -165,19 +177,11 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
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))
errs() << "Error: " << ErrMsg << "\n";
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
}
else {
sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg);
errs() << "Remember to erase graph files: " << Filename.str() << " "
<< PSFilename.str() << "\n";
}
if (!ExecGraphViewer(gv, args, PSFilename, wait, ErrMsg))
return;
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
@ -185,16 +189,13 @@ void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
errs() << "Running 'dotty' program... ";
if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error: " << ErrMsg << "\n";
} else {
// Dotty spawns another app and doesn't wait until it returns
#if defined (__MINGW32__) || defined (_WINDOWS)
wait = false;
#endif
errs() << "Running 'dotty' program... ";
if (!ExecGraphViewer(dotty, args, Filename, wait, ErrMsg))
return;
#endif
Filename.eraseFromDisk();
}
#endif
}