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mdbx++: refine exceptions.

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Change-Id: I56d3fd4716320af7a5aec1824fbded5f9efc416c
This commit is contained in:
Leonid Yuriev
2020-09-01 16:19:14 +03:00
parent 9fdaa1c7e5
commit e6696178db
2 changed files with 13 additions and 25 deletions
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19
mdbx.h++
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@@ -304,35 +304,34 @@ public:
// Base for libmdbx exceptions
class LIBMDBX_API_TYPE exception : public ::std::runtime_error {
using base = ::std::runtime_error;
error error_;
::mdbx::error error_;
public:
exception(const error &) noexcept;
exception(const ::mdbx::error &) noexcept;
exception(const exception &) = default;
exception(exception &&) = default;
exception &operator=(const exception &) = default;
exception &operator=(exception &&) = default;
virtual ~exception() noexcept;
const mdbx::error error() const noexcept { return error_; }
};
/** Fatal exception that lead termination anyway */
class LIBMDBX_API_TYPE fatal : public ::std::exception {
using base = ::std::exception;
error error_;
class LIBMDBX_API_TYPE fatal : public exception {
using base = exception;
public:
fatal(const error &) noexcept;
fatal(const fatal &) noexcept;
fatal(fatal &&) noexcept;
fatal(const ::mdbx::error &) noexcept;
fatal(const exception &src) noexcept : fatal(src.error()) {}
fatal(exception &&src) noexcept : fatal(src.error()) {}
fatal &operator=(fatal &&) = default;
fatal &operator=(const fatal &) = default;
virtual const char *what() const noexcept;
virtual ~fatal() noexcept;
};
#define MDBX_DECLARE_EXCEPTION(NAME) \
struct LIBMDBX_API_TYPE NAME : public exception { \
NAME(const error &); \
NAME(const ::mdbx::error &); \
virtual ~NAME() noexcept; \
}
MDBX_DECLARE_EXCEPTION(bad_map_id);