所有的异常类都是exception类的子类。
stdexcept头文件中定义了以下异常类。
runtime_error类（表示运行时才能检测到的异常）包含了overflow_error、underflow_error、range_error几个子类；logic_error类（一般的逻辑异常）包含了domain_error、invalid_argument、out_of_range、length_error几个子类
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// stdexcept standard header #ifndef _STDEXCEPT_ #define _STDEXCEPT_ #include <exception> #include <xstring> _STD_BEGIN #ifndef _Mbstinit #ifdef __cplusplus #define _Mbstinit(x) _Mbstatet x #else /* __cplusplus */ #define _Mbstinit(x) _Mbstatet x = {0} #endif /* __cplusplus */ #endif /* _Mbstinit */ // CLASS logic_error class logic_error : public _XSTD exception { // base of all logic-error exceptions public: explicit logic_error(const string& _Message) : _Str(_Message) { // construct from message string } explicit logic_error(const char *_Message) : _Str(_Message) { // construct from message string } virtual ~logic_error() _NOEXCEPT { // destroy the object } virtual const char *what() const _THROW0() { // return pointer to message string return (_Str.c_str()); } private: string _Str; // the stored message string }; // CLASS domain_error class domain_error : public logic_error { // base of all domain-error exceptions public: typedef logic_error _Mybase; explicit domain_error(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit domain_error(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS invalid_argument class invalid_argument : public logic_error { // base of all invalid-argument exceptions public: typedef logic_error _Mybase; explicit invalid_argument(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit invalid_argument(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS length_error class length_error : public logic_error { // base of all length-error exceptions public: typedef logic_error _Mybase; explicit length_error(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit length_error(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS out_of_range class out_of_range : public logic_error { // base of all out-of-range exceptions public: typedef logic_error _Mybase; explicit out_of_range(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit out_of_range(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS runtime_error class runtime_error : public _XSTD exception { // base of all runtime-error exceptions public: explicit runtime_error(const string& _Message) : _Str(_Message) { // construct from message string } explicit runtime_error(const char *_Message) : _Str(_Message) { // construct from message string } virtual ~runtime_error() _NOEXCEPT { // destroy the object } virtual const char *what() const _THROW0() { // return pointer to message string return (_Str.c_str()); } private: string _Str; // the stored message string }; // CLASS overflow_error class overflow_error : public runtime_error { // base of all overflow-error exceptions public: typedef runtime_error _Mybase; explicit overflow_error(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit overflow_error(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS underflow_error class underflow_error : public runtime_error { // base of all underflow-error exceptions public: typedef runtime_error _Mybase; explicit underflow_error(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit underflow_error(const char *_Message) : _Mybase(_Message) { // construct from message string } }; // CLASS range_error class range_error : public runtime_error { // base of all range-error exceptions public: typedef runtime_error _Mybase; explicit range_error(const string& _Message) : _Mybase(_Message.c_str()) { // construct from message string } explicit range_error(const char *_Message) : _Mybase(_Message) { // construct from message string } }; _STD_END #endif /* _STDEXCEPT_ */ /* * Copyright (c) by P.J. Plauger. All rights reserved. * Consult your license regarding permissions and restrictions. V8.03a/17:1422 */ |
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