Aegisub/src/crash_writer.cpp

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2014-03-19 17:15:25 +01:00
// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include "crash_writer.h"
#include "version.h"
#include <libaegisub/util.h>
#include <boost/filesystem/fstream.hpp>
#include <boost/format.hpp>
using namespace agi;
namespace {
fs::path crashlog_path;
#if wxUSE_STACKWALKER == 1
class StackWalker : public wxStackWalker {
boost::filesystem::ofstream fp;
public:
StackWalker(std::string const& cause)
: fp(crashlog_path, std::ios::app)
{
if (!fp.good()) return;
fp << util::strftime("--- %y-%m-%d %H:%M:%S ------------------\n");
fp << boost::format("VER - %s\n") % GetAegisubLongVersionString();
fp << boost::format("FTL - Beginning stack dump for \"%s\": \n") % cause;
}
~StackWalker() {
if (!fp.good()) return;
fp << "End of stack dump.\n";
fp << "----------------------------------------\n\n";
}
void OnStackFrame(wxStackFrame const& frame) override final {
if (!fp.good()) return;
fp << boost::format("%03u - %p: %s") % frame.GetLevel() % frame.GetAddress() % frame.GetName().utf8_str().data();
if (frame.HasSourceLocation())
fp << boost::format(" on %s:%u") % frame.GetFileName().utf8_str().data() % frame.GetLine();
fp << "\n";
}
};
#endif
}
namespace crash_writer {
void Initialize(fs::path const& path) {
crashlog_path = path / "crashlog.txt";
}
void Cleanup() { }
void Write() {
#if wxUSE_STACKWALKER == 1
StackWalker walker("Fatal exception");
walker.WalkFromException();
#endif
}
void Write(std::string const& error) {
boost::filesystem::ofstream file(crashlog_path, std::ios::app);
if (file.is_open()) {
file << util::strftime("--- %y-%m-%d %H:%M:%S ------------------\n");
file << boost::format("VER - %s\n") % GetAegisubLongVersionString();
file << boost::format("EXC - Aegisub has crashed with unhandled exception \"%s\".\n") % error;
file << "----------------------------------------\n\n";
file.close();
}
}
}