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      1 // Standard exception classes  -*- C++ -*-
      2 
      3 // Copyright (C) 2001-2013 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the
      7 // terms of the GNU General Public License as published by the
      8 // Free Software Foundation; either version 3, or (at your option)
      9 // any later version.
     10 
     11 // This library is distributed in the hope that it will be useful,
     12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 // GNU General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 /** @file include/stdexcept
     26  *  This is a Standard C++ Library header.
     27  */
     28 
     29 //
     30 // ISO C++ 19.1  Exception classes
     31 //
     32 
     33 #ifndef _GLIBCXX_STDEXCEPT
     34 #define _GLIBCXX_STDEXCEPT 1
     35 
     36 #pragma GCC system_header
     37 
     38 #include <exception>
     39 #include <string>
     40 
     41 namespace std _GLIBCXX_VISIBILITY(default)
     42 {
     43 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     44 
     45   /**
     46    * @addtogroup exceptions
     47    * @{
     48    */
     49 
     50   /** Logic errors represent problems in the internal logic of a program;
     51    *  in theory, these are preventable, and even detectable before the
     52    *  program runs (e.g., violations of class invariants).
     53    *  @brief One of two subclasses of exception.
     54    */
     55   class logic_error : public exception 
     56   {
     57     string _M_msg;
     58 
     59   public:
     60     /** Takes a character string describing the error.  */
     61     explicit 
     62     logic_error(const string& __arg);
     63 
     64     virtual ~logic_error() _GLIBCXX_USE_NOEXCEPT;
     65 
     66     /** Returns a C-style character string describing the general cause of
     67      *  the current error (the same string passed to the ctor).  */
     68     virtual const char* 
     69     what() const _GLIBCXX_USE_NOEXCEPT;
     70   };
     71 
     72   /** Thrown by the library, or by you, to report domain errors (domain in
     73    *  the mathematical sense).  */
     74   class domain_error : public logic_error 
     75   {
     76   public:
     77     explicit domain_error(const string& __arg);
     78     virtual ~domain_error() _GLIBCXX_USE_NOEXCEPT;
     79   };
     80 
     81   /** Thrown to report invalid arguments to functions.  */
     82   class invalid_argument : public logic_error 
     83   {
     84   public:
     85     explicit invalid_argument(const string& __arg);
     86     virtual ~invalid_argument() _GLIBCXX_USE_NOEXCEPT;
     87   };
     88 
     89   /** Thrown when an object is constructed that would exceed its maximum
     90    *  permitted size (e.g., a basic_string instance).  */
     91   class length_error : public logic_error 
     92   {
     93   public:
     94     explicit length_error(const string& __arg);
     95     virtual ~length_error() _GLIBCXX_USE_NOEXCEPT;
     96   };
     97 
     98   /** This represents an argument whose value is not within the expected
     99    *  range (e.g., boundary checks in basic_string).  */
    100   class out_of_range : public logic_error 
    101   {
    102   public:
    103     explicit out_of_range(const string& __arg);
    104     virtual ~out_of_range() _GLIBCXX_USE_NOEXCEPT;
    105   };
    106 
    107   /** Runtime errors represent problems outside the scope of a program;
    108    *  they cannot be easily predicted and can generally only be caught as
    109    *  the program executes.
    110    *  @brief One of two subclasses of exception.
    111    */
    112   class runtime_error : public exception 
    113   {
    114     string _M_msg;
    115 
    116   public:
    117     /** Takes a character string describing the error.  */
    118     explicit 
    119     runtime_error(const string& __arg);
    120 
    121     virtual ~runtime_error() _GLIBCXX_USE_NOEXCEPT;
    122 
    123     /** Returns a C-style character string describing the general cause of
    124      *  the current error (the same string passed to the ctor).  */
    125     virtual const char* 
    126     what() const _GLIBCXX_USE_NOEXCEPT;
    127   };
    128 
    129   /** Thrown to indicate range errors in internal computations.  */
    130   class range_error : public runtime_error 
    131   {
    132   public:
    133     explicit range_error(const string& __arg);
    134     virtual ~range_error() _GLIBCXX_USE_NOEXCEPT;
    135   };
    136 
    137   /** Thrown to indicate arithmetic overflow.  */
    138   class overflow_error : public runtime_error 
    139   {
    140   public:
    141     explicit overflow_error(const string& __arg);
    142     virtual ~overflow_error() _GLIBCXX_USE_NOEXCEPT;
    143   };
    144 
    145   /** Thrown to indicate arithmetic underflow.  */
    146   class underflow_error : public runtime_error 
    147   {
    148   public:
    149     explicit underflow_error(const string& __arg);
    150     virtual ~underflow_error() _GLIBCXX_USE_NOEXCEPT;
    151   };
    152 
    153   // @} group exceptions
    154 
    155 _GLIBCXX_END_NAMESPACE_VERSION
    156 } // namespace
    157 
    158 #endif /* _GLIBCXX_STDEXCEPT */
    159