--- parser3/src/main/pa_sql_driver_manager.C 2002/08/01 11:26:51 1.63 +++ parser3/src/main/pa_sql_driver_manager.C 2003/04/11 15:00:05 1.70 @@ -1,11 +1,11 @@ /** @file Parser: sql driver manager implementation. - Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char* IDENT_SQL_DRIVER_MANAGER_C="$Id: pa_sql_driver_manager.C,v 1.63 2002/08/01 11:26:51 paf Exp $"; +static const char* IDENT_SQL_DRIVER_MANAGER_C="$Date: 2003/04/11 15:00:05 $"; #include "pa_sql_driver_manager.h" #include "ltdl.h" @@ -50,25 +50,41 @@ public: virtual void *calloc(size_t size) { return Pooled::calloc(size); } /** + normally we can't 'throw' from dynamic library, so the idea is to #1 jump to C++ some function to main body, where every function stack frame has exception unwind information and from there... #2 propagate_exception() + + but when parser configured --with-sjlj-exceptions + one can simply 'throw' from dynamic library. + [sad story: one can not longjump/throw due to some bug in gcc as of 3.2.1 version] */ - virtual void _throw(const char *comment) { + virtual void _throw(const SQL_Error& aexception) { + // converting SQL_exception to parser Exception // hiding passwords and addresses from accidental show [imagine user forgot @exception] - e=Exception("sql.connect", - &url_without_login(pool(), furl), - comment); +#ifdef PA_WITH_SJLJ_EXCEPTIONS + throw +#else + fexception= +#endif + Exception(aexception.type(), + aexception.problem_source()?static_cast(aexception.problem_source()) + :&url_without_login(pool(), furl), + aexception.comment()); +#ifndef PA_WITH_SJLJ_EXCEPTIONS longjmp(mark, 1); +#endif } virtual void propagate_exception() { - throw e; +#ifndef PA_WITH_SJLJ_EXCEPTIONS + throw fexception; +#endif } private: const String& furl; - Exception e; + Exception fexception; }; // helpers @@ -158,7 +174,8 @@ SQL_Connection_ptr SQL_Driver_manager::g // no cached const String *library=0; const String *dlopen_file_spec=0; - if(protocol2driver_and_client->locate(0, global_protocol)) { + Table::Action_options options; + if(protocol2driver_and_client->locate(0, global_protocol, options)) { if(!(library=protocol2driver_and_client->item(1)) || library->size()==0) throw Exception("parser.runtime", protocol2driver_and_client->origin_string(),