Danny Robson
52f53caee5
HARD vs SOFT assertions were never very well defined or supported. Currently they just imply a level of functionality that isn't present; it's better to remove them instead of expending the effort at this point.
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2010-2014 Danny Robson <danny@nerdcruft.net>
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*/
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#include "backtrace.hpp"
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#include "debug.hpp"
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#include "types/casts.hpp"
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#include <cstdlib>
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#include <execinfo.h>
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#include <algorithm>
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#include <memory>
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using namespace std;
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//-----------------------------------------------------------------------------
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debug::backtrace::backtrace (void):
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m_frames (DEFAULT_DEPTH) {
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size_t last;
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size_t size = m_frames.size ();
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while ((last = ::backtrace (&m_frames[0], m_frames.size ())) == size)
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m_frames.resize (size = m_frames.size () * 2);
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CHECK_GT (last, 0);
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m_frames.resize (last);
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}
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//-----------------------------------------------------------------------------
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ostream&
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debug::operator <<(ostream &os, const debug::backtrace &rhs) {
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const auto frames = rhs.frames ();
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// We don't use the array form of unique_ptr as clang fails on ambigious constructors
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typedef unique_ptr<char *, decltype(&std::free)> unique_str;
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unique_str names (backtrace_symbols (frames.data (), frames.size ()), ::free);
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for (unsigned int i = 0; i < frames.size (); ++i)
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os << frames[i] << "\t" << names.get()[i] << "\n";
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return os;
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}
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