BLOG | DOCUMENTATION | TRAC |  Home --> Documentations --> PJLIB Reference except.h Go to the documentation of this file. /* $Id: except.h 3553 2011-05-05 06:14:19Z nanang $ */ /* * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __PJ_EXCEPTION_H__ #define __PJ_EXCEPTION_H__ #include <pj/types.h> #include <pj/compat/setjmp.h> #include <pj/log.h> PJ_BEGIN_DECL PJ_DECL(pj_status_t) pj_exception_id_alloc(const char *name, pj_exception_id_t *id); PJ_DECL(pj_status_t) pj_exception_id_free(pj_exception_id_t id); PJ_DECL(const char*) pj_exception_id_name(pj_exception_id_t id); #if defined(PJ_EXCEPTION_USE_WIN32_SEH) && PJ_EXCEPTION_USE_WIN32_SEH != 0 /***************************************************************************** ** ** IMPLEMENTATION OF EXCEPTION USING WINDOWS SEH ** ****************************************************************************/ #define WIN32_LEAN_AND_MEAN #include <windows.h> PJ_IDECL_NO_RETURN(void) pj_throw_exception_(pj_exception_id_t id) PJ_ATTR_NORETURN { RaiseException(id,1,0,NULL); } #define PJ_USE_EXCEPTION #define PJ_TRY __try #define PJ_CATCH(id) __except(GetExceptionCode()==id ? \ EXCEPTION_EXECUTE_HANDLER : \ EXCEPTION_CONTINUE_SEARCH) #define PJ_CATCH_ANY __except(EXCEPTION_EXECUTE_HANDLER) #define PJ_END #define PJ_THROW(id) pj_throw_exception_(id) #define PJ_GET_EXCEPTION() GetExceptionCode() #elif defined(PJ_SYMBIAN) && PJ_SYMBIAN!=0 /***************************************************************************** ** ** IMPLEMENTATION OF EXCEPTION USING SYMBIAN LEAVE/TRAP FRAMEWORK ** ****************************************************************************/ /* To include this file, the source file must be compiled as * C++ code! */ #ifdef __cplusplus class TPjException { public: int code_; }; #define PJ_USE_EXCEPTION #define PJ_TRY try //#define PJ_CATCH(id) #define PJ_CATCH_ANY catch (const TPjException & pj_excp_) #define PJ_END #define PJ_THROW(x_id) do { TPjException e; e.code_=x_id; throw e;} \ while (0) #define PJ_GET_EXCEPTION() pj_excp_.code_ #else #define PJ_USE_EXCEPTION #define PJ_TRY #define PJ_CATCH_ANY if (0) #define PJ_END #define PJ_THROW(x_id) do { PJ_LOG(1,("PJ_THROW"," error code = %d",x_id)); } while (0) #define PJ_GET_EXCEPTION() 0 #endif /* __cplusplus */ #else /***************************************************************************** ** ** IMPLEMENTATION OF EXCEPTION USING GENERIC SETJMP/LONGJMP ** ****************************************************************************/ struct pj_exception_state_t { struct pj_exception_state_t *prev; pj_jmp_buf state; }; PJ_DECL_NO_RETURN(void) pj_throw_exception_(pj_exception_id_t id) PJ_ATTR_NORETURN; PJ_DECL(void) pj_push_exception_handler_(struct pj_exception_state_t *rec); PJ_DECL(void) pj_pop_exception_handler_(struct pj_exception_state_t *rec); #define PJ_USE_EXCEPTION struct pj_exception_state_t pj_x_except__; int pj_x_code__ #define PJ_TRY if (1) { \ pj_push_exception_handler_(&pj_x_except__); \ pj_x_code__ = pj_setjmp(pj_x_except__.state); \ if (pj_x_code__ == 0) #define PJ_CATCH(id) else if (pj_x_code__ == (id)) #define PJ_CATCH_ANY else #define PJ_END pj_pop_exception_handler_(&pj_x_except__); \ } else {} #define PJ_THROW(exception_id) pj_throw_exception_(exception_id) #define PJ_GET_EXCEPTION() (pj_x_code__) #endif /* PJ_EXCEPTION_USE_WIN32_SEH */ PJ_END_DECL #endif /* __PJ_EXCEPTION_H__ */   PJLIB Open Source, high performance, small footprint, and very very portable framework Copyright (C) 2006-2009 Teluu Inc.