1 /* 2 Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; version 2 of the License. 7 8 This program is distributed in the hope that it will be useful, 9 but WITHOUT ANY WARRANTY; without even the implied warranty of 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License 14 along with this program; see the file COPYING. If not, write to the 15 Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, 16 MA 02110-1301 USA. 17 */ 18 19 20 /* mySTL memory implements exception, runtime_error 21 * 22 */ 23 24 #ifndef mySTL_STDEXCEPT_HPP 25 #define mySTL_STDEXCEPT_HPP 26 27 28 #include <string.h> // strncpy 29 #include <stdlib.h> // size_t 30 31 32 namespace mySTL { 33 34 35 class exception { 36 public: exception()37 exception() {} ~exception()38 virtual ~exception() {} // to shut up compiler warnings 39 what() const40 virtual const char* what() const { return ""; } 41 42 // for compiler generated call, never used operator delete(void *)43 static void operator delete(void*) { } 44 private: 45 // don't allow dynamic creation of exceptions 46 static void* operator new(size_t); 47 }; 48 49 50 class named_exception : public exception { 51 public: 52 enum { NAME_SIZE = 80 }; 53 named_exception(const char * str)54 explicit named_exception(const char* str) 55 { 56 strncpy(name_, str, NAME_SIZE); 57 name_[NAME_SIZE - 1] = 0; 58 } 59 what() const60 virtual const char* what() const { return name_; } 61 private: 62 char name_[NAME_SIZE]; 63 }; 64 65 66 class runtime_error : public named_exception { 67 public: runtime_error(const char * str)68 explicit runtime_error(const char* str) : named_exception(str) {} 69 }; 70 71 72 73 74 } // namespace mySTL 75 76 #endif // mySTL_STDEXCEPT_HPP 77