1 //============================================================================= 2 // 3 // File : KviCaster.h 4 // Creation date : Mon April 18 2016 02:00:36 by Matt Ullman 5 // 6 // This file is part of the KVIrc IRC client distribution 7 // Copyright (C) 2016 Matt Ullman (staticfox at staticfox dot net) 8 // 9 // This program is FREE software. You can redistribute it and/or 10 // modify it under the terms of the GNU General Public License 11 // as published by the Free Software Foundation; either version 2 12 // of the License, or (at your option) any later version. 13 // 14 // This program is distributed in the HOPE that it will be USEFUL, 15 // but WITHOUT ANY WARRANTY; without even the implied warranty of 16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 17 // See the GNU General Public License for more details. 18 // 19 // You should have received a copy of the GNU General Public License 20 // along with this program. If not, write to the Free Software Foundation, 21 // Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 22 // 23 //============================================================================= 24 25 #include <typeinfo> 26 27 #define STRINGIFY_(x) #x 28 #define STRINGIFY(x) STRINGIFY_(x) 29 30 #if defined(COMPILE_ON_WINDOWS) || defined(COMPILE_ON_MINGW) 31 #define KVI_CAST_FUNC __FUNCTION__ 32 #else 33 #define KVI_CAST_FUNC __func__ 34 #endif 35 36 #define KVI_DYNAMIC(expr, expr2) \ 37 KviCast::dynamic<expr>(expr2, \ 38 __FILE__ ":" STRINGIFY(__LINE__), \ 39 KVI_CAST_FUNC, \ 40 #expr) 41 42 namespace KviCast 43 { 44 template <typename T, typename P> dynamic(P p,const char * file,const char * func,const char * expr)45 T dynamic(P p, const char * file, const char * func, const char * expr) 46 { 47 T newPointer = dynamic_cast<T>(p); 48 49 KVI_ASSERT(newPointer != nullptr); 50 51 if(newPointer == nullptr) 52 { 53 qDebug("KviCast::dynamic: Conversion from %s to %s failed: %s in %s (%s).", 54 typeid(P).name(), typeid(T).name(), func, file, expr); 55 } 56 57 return newPointer; 58 } 59 } 60