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adding support for derived exceptions

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Daniel Larimer 2014-06-09 10:56:55 -04:00
parent 34ac1baf82
commit 374d71a1fd
1 changed files with 11 additions and 9 deletions
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20
include/fc/exception/exception.hpp
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@ -210,31 +210,33 @@ namespace fc
}(); \
#define FC_DECLARE_EXCEPTION( TYPE, CODE, WHAT ) \
class TYPE : public fc::exception \
#define FC_DECLARE_DERIVED_EXCEPTION( TYPE, BASE, CODE, WHAT ) \
class TYPE : public BASE \
{ \
public: \
enum code_enum { \
code_value = CODE, \
}; \
TYPE( fc::log_message&& m ) \
:exception( fc::move(m), CODE, BOOST_PP_STRINGIZE(TYPE), WHAT ){}\
:BASE( fc::move(m), CODE, BOOST_PP_STRINGIZE(TYPE), WHAT ){}\
TYPE( fc::log_messages msgs ) \
:exception( fc::move( msgs ), CODE, BOOST_PP_STRINGIZE(TYPE), WHAT ) {} \
:BASE( fc::move( msgs ), CODE, BOOST_PP_STRINGIZE(TYPE), WHAT ) {} \
TYPE( const TYPE& c ) \
:exception(c){} \
TYPE( const exception& c ) \
:exception(c){} \
TYPE():exception(CODE, BOOST_PP_STRINGIZE(TYPE), WHAT){}\
:BASE(c){} \
TYPE( const BASE& c ) \
:BASE(c){} \
TYPE():BASE(CODE, BOOST_PP_STRINGIZE(TYPE), WHAT){}\
\
virtual std::shared_ptr<exception> dynamic_copy_exception()const\
{ return std::make_shared<TYPE>( *this ); } \
virtual NO_RETURN void dynamic_rethrow_exception()const \
{ if( code() == CODE ) throw *this;\
else fc::exception::dynamic_rethrow_exception(); \
else BASE::dynamic_rethrow_exception(); \
} \
};
#define FC_DECLARE_EXCEPTION( TYPE, CODE, WHAT ) \
FC_DECLARE_DERIVED_EXCEPTION( TYPE, fc::exception, CODE, WHAT )
FC_DECLARE_EXCEPTION( timeout_exception, timeout_exception_code, "Timeout" );
FC_DECLARE_EXCEPTION( file_not_found_exception, file_not_found_exception_code, "File Not Found" );