81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*
|
|
* Copyright 2016-2018 Max Kellermann <max.kellermann@gmail.com>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "Exception.hxx"
|
|
|
|
#include <utility>
|
|
|
|
template<typename T>
|
|
static void
|
|
AppendNestedMessage(std::string &result, T &&e,
|
|
const char *fallback, const char *separator) noexcept
|
|
{
|
|
try {
|
|
std::rethrow_if_nested(std::forward<T>(e));
|
|
} catch (const std::exception &nested) {
|
|
result += separator;
|
|
result += nested.what();
|
|
AppendNestedMessage(result, nested, fallback, separator);
|
|
} catch (const std::nested_exception &ne) {
|
|
AppendNestedMessage(result, ne, fallback, separator);
|
|
} catch (const char *s) {
|
|
result += separator;
|
|
result += s;
|
|
} catch (...) {
|
|
result += separator;
|
|
result += fallback;
|
|
}
|
|
}
|
|
|
|
std::string
|
|
GetFullMessage(const std::exception &e,
|
|
const char *fallback, const char *separator) noexcept
|
|
{
|
|
std::string result = e.what();
|
|
AppendNestedMessage(result, e, fallback, separator);
|
|
return result;
|
|
}
|
|
|
|
std::string
|
|
GetFullMessage(std::exception_ptr ep,
|
|
const char *fallback, const char *separator) noexcept
|
|
{
|
|
try {
|
|
std::rethrow_exception(std::move(ep));
|
|
} catch (const std::exception &e) {
|
|
return GetFullMessage(e, fallback, separator);
|
|
} catch (const std::nested_exception &ne) {
|
|
return GetFullMessage(ne.nested_ptr(), fallback, separator);
|
|
} catch (const char *s) {
|
|
return s;
|
|
} catch (...) {
|
|
return fallback;
|
|
}
|
|
}
|