diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | src/util/PrintException.cxx | 60 | ||||
| -rw-r--r-- | src/util/PrintException.hxx | 47 |
3 files changed, 108 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index cacf87a87..0ef66979a 100644 --- a/Makefile.am +++ b/Makefile.am @@ -527,6 +527,7 @@ libutil_a_SOURCES = \ src/util/SliceBuffer.hxx \ src/util/HugeAllocator.cxx src/util/HugeAllocator.hxx \ src/util/PeakBuffer.cxx src/util/PeakBuffer.hxx \ + src/util/PrintException.cxx src/util/PrintException.hxx \ src/util/SparseBuffer.cxx src/util/SparseBuffer.hxx \ src/util/OptionParser.cxx src/util/OptionParser.hxx \ src/util/OptionDef.hxx \ diff --git a/src/util/PrintException.cxx b/src/util/PrintException.cxx new file mode 100644 index 000000000..54ea71c07 --- /dev/null +++ b/src/util/PrintException.cxx @@ -0,0 +1,60 @@ +/* + * Copyright 2007-2017 Content Management AG + * All rights reserved. + * + * author: Max Kellermann <mk@cm4all.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 "PrintException.hxx" + +#include <stdio.h> + +void +PrintException(const std::exception &e) noexcept +{ + fprintf(stderr, "%s\n", e.what()); + try { + std::rethrow_if_nested(e); + } catch (const std::exception &nested) { + PrintException(nested); + } catch (...) { + fprintf(stderr, "Unrecognized nested exception\n"); + } +} + +void +PrintException(const std::exception_ptr &ep) noexcept +{ + try { + std::rethrow_exception(ep); + } catch (const std::exception &e) { + PrintException(e); + } catch (...) { + fprintf(stderr, "Unrecognized exception\n"); + } +} diff --git a/src/util/PrintException.hxx b/src/util/PrintException.hxx new file mode 100644 index 000000000..3abd2e538 --- /dev/null +++ b/src/util/PrintException.hxx @@ -0,0 +1,47 @@ +/* + * Copyright 2007-2017 Content Management AG + * All rights reserved. + * + * author: Max Kellermann <mk@cm4all.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. + */ + +#ifndef PRINT_EXCEPTION_HXX +#define PRINT_EXCEPTION_HXX + +#include <stdexcept> + +/** + * Print this exception (and its nested exceptions, if any) to stderr. + */ +void +PrintException(const std::exception &e) noexcept; + +void +PrintException(const std::exception_ptr &ep) noexcept; + +#endif |