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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.