131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/*
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Copyright (c) 2007-2018, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_ASSERT_HPP_INCLUDED
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#define TORRENT_ASSERT_HPP_INCLUDED
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#include "libtorrent/config.hpp"
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#include "libtorrent/aux_/export.hpp"
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#if TORRENT_USE_ASSERTS \
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|| defined TORRENT_ASIO_DEBUGGING \
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|| defined TORRENT_PROFILE_CALLS \
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|| defined TORRENT_DEBUG_BUFFERS
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#include <string>
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namespace libtorrent {
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std::string demangle(char const* name);
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TORRENT_EXPORT void print_backtrace(char* out, int len, int max_depth = 0, void* ctx = nullptr);
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}
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#endif
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// this is to disable the warning of conditional expressions
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// being constant in msvc
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#ifdef _MSC_VER
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#define TORRENT_WHILE_0 \
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__pragma( warning(push) ) \
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__pragma( warning(disable:4127) ) \
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while (false) \
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__pragma( warning(pop) )
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#else
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#define TORRENT_WHILE_0 while (false)
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#endif
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namespace libtorrent {
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// declarations of the two functions
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// internal
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TORRENT_EXPORT void assert_print(char const* fmt, ...) TORRENT_FORMAT(1,2);
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// internal
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TORRENT_EXPORT void assert_fail(const char* expr, int line
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, char const* file, char const* function, char const* val, int kind = 0);
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}
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#if TORRENT_USE_ASSERTS
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#ifdef TORRENT_PRODUCTION_ASSERTS
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extern TORRENT_EXPORT char const* libtorrent_assert_log;
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#endif
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#if TORRENT_USE_IOSTREAM
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#include <sstream>
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#endif
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#ifndef TORRENT_USE_SYSTEM_ASSERTS
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#define TORRENT_ASSERT_PRECOND(x) \
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do { if (x) {} else libtorrent::assert_fail(#x, __LINE__, __FILE__, __func__, nullptr, 1); } TORRENT_WHILE_0
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#define TORRENT_ASSERT(x) \
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do { if (x) {} else libtorrent::assert_fail(#x, __LINE__, __FILE__, __func__, nullptr, 0); } TORRENT_WHILE_0
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#if TORRENT_USE_IOSTREAM
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#define TORRENT_ASSERT_VAL(x, y) \
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do { if (x) {} else { std::stringstream __s__; __s__ << #y ": " << y; \
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libtorrent::assert_fail(#x, __LINE__, __FILE__, __func__, __s__.str().c_str(), 0); } } TORRENT_WHILE_0
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#define TORRENT_ASSERT_FAIL_VAL(y) \
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do { std::stringstream __s__; __s__ << #y ": " << y; \
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libtorrent::assert_fail("<unconditional>", __LINE__, __FILE__, __func__, __s__.str().c_str(), 0); } TORRENT_WHILE_0
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#else
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#define TORRENT_ASSERT_VAL(x, y) TORRENT_ASSERT(x)
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#define TORRENT_ASSERT_FAIL_VAL(x) TORRENT_ASSERT_FAIL()
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#endif
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#define TORRENT_ASSERT_FAIL() \
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libtorrent::assert_fail("<unconditional>", __LINE__, __FILE__, __func__, nullptr, 0)
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#else
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#include <cassert>
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#define TORRENT_ASSERT_PRECOND(x) assert(x)
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#define TORRENT_ASSERT(x) assert(x)
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#define TORRENT_ASSERT_VAL(x, y) assert(x)
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#define TORRENT_ASSERT_FAIL_VAL(x) assert(false)
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#define TORRENT_ASSERT_FAIL() assert(false)
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#endif
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#else // TORRENT_USE_ASSERTS
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#define TORRENT_ASSERT_PRECOND(a) do {} TORRENT_WHILE_0
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#define TORRENT_ASSERT(a) do {} TORRENT_WHILE_0
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#define TORRENT_ASSERT_VAL(a, b) do {} TORRENT_WHILE_0
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#define TORRENT_ASSERT_FAIL_VAL(a) do {} TORRENT_WHILE_0
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#define TORRENT_ASSERT_FAIL() do {} TORRENT_WHILE_0
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#endif // TORRENT_USE_ASSERTS
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#endif // TORRENT_ASSERT_HPP_INCLUDED
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