// Standard exception classes -*- C++ -*-
-// Copyright (C) 2001, 2002, 2005, 2007, 2009, 2010, 2011
-// Free Software Foundation, Inc.
+// Copyright (C) 2001-2020 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
+#if _GLIBCXX_USE_DUAL_ABI
+#if _GLIBCXX_USE_CXX11_ABI
+ // Emulates an old COW string when the new std::string is in use.
+ struct __cow_string
+ {
+ union {
+ const char* _M_p;
+ char _M_bytes[sizeof(const char*)];
+ };
+
+ __cow_string();
+ __cow_string(const std::string&);
+ __cow_string(const char*, size_t);
+ __cow_string(const __cow_string&) _GLIBCXX_NOTHROW;
+ __cow_string& operator=(const __cow_string&) _GLIBCXX_NOTHROW;
+ ~__cow_string();
+#if __cplusplus >= 201103L
+ __cow_string(__cow_string&&) noexcept;
+ __cow_string& operator=(__cow_string&&) noexcept;
+#endif
+ };
+
+ typedef basic_string<char> __sso_string;
+#else // _GLIBCXX_USE_CXX11_ABI
+ typedef basic_string<char> __cow_string;
+
+ // Emulates a new SSO string when the old std::string is in use.
+ struct __sso_string
+ {
+ struct __str
+ {
+ const char* _M_p;
+ size_t _M_string_length;
+ char _M_local_buf[16];
+ };
+
+ union {
+ __str _M_s;
+ char _M_bytes[sizeof(__str)];
+ };
+
+ __sso_string() _GLIBCXX_NOTHROW;
+ __sso_string(const std::string&);
+ __sso_string(const char*, size_t);
+ __sso_string(const __sso_string&);
+ __sso_string& operator=(const __sso_string&);
+ ~__sso_string();
+#if __cplusplus >= 201103L
+ __sso_string(__sso_string&&) noexcept;
+ __sso_string& operator=(__sso_string&&) noexcept;
+#endif
+ };
+#endif // _GLIBCXX_USE_CXX11_ABI
+#else // _GLIBCXX_USE_DUAL_ABI
+ typedef basic_string<char> __sso_string;
+ typedef basic_string<char> __cow_string;
+#endif
+
/**
* @addtogroup exceptions
* @{
* program runs (e.g., violations of class invariants).
* @brief One of two subclasses of exception.
*/
- class logic_error : public exception
+ class logic_error : public exception
{
- string _M_msg;
+ __cow_string _M_msg;
public:
/** Takes a character string describing the error. */
- explicit
- logic_error(const string& __arg);
+ explicit
+ logic_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+
+#if __cplusplus >= 201103L
+ explicit
+ logic_error(const char*) _GLIBCXX_TXN_SAFE;
+
+ logic_error(logic_error&&) noexcept;
+ logic_error& operator=(logic_error&&) noexcept;
+#endif
- virtual ~logic_error() _GLIBCXX_USE_NOEXCEPT;
+#if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_DEFINE_STDEXCEPT_COPY_OPS
+ logic_error(const logic_error&) _GLIBCXX_NOTHROW;
+ logic_error& operator=(const logic_error&) _GLIBCXX_NOTHROW;
+#elif __cplusplus >= 201103L
+ logic_error(const logic_error&) = default;
+ logic_error& operator=(const logic_error&) = default;
+#endif
+
+ virtual ~logic_error() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
/** Returns a C-style character string describing the general cause of
* the current error (the same string passed to the ctor). */
- virtual const char*
- what() const _GLIBCXX_USE_NOEXCEPT;
+ virtual const char*
+ what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
+
+# ifdef _GLIBCXX_TM_TS_INTERNAL
+ friend void*
+ ::_txnal_logic_error_get_msg(void* e);
+# endif
};
/** Thrown by the library, or by you, to report domain errors (domain in
* the mathematical sense). */
- class domain_error : public logic_error
+ class domain_error : public logic_error
{
public:
- explicit domain_error(const string& __arg);
- virtual ~domain_error() _GLIBCXX_USE_NOEXCEPT;
+ explicit domain_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit domain_error(const char*) _GLIBCXX_TXN_SAFE;
+ domain_error(const domain_error&) = default;
+ domain_error& operator=(const domain_error&) = default;
+ domain_error(domain_error&&) = default;
+ domain_error& operator=(domain_error&&) = default;
+#endif
+ virtual ~domain_error() _GLIBCXX_NOTHROW;
};
/** Thrown to report invalid arguments to functions. */
- class invalid_argument : public logic_error
+ class invalid_argument : public logic_error
{
public:
- explicit invalid_argument(const string& __arg);
- virtual ~invalid_argument() _GLIBCXX_USE_NOEXCEPT;
+ explicit invalid_argument(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit invalid_argument(const char*) _GLIBCXX_TXN_SAFE;
+ invalid_argument(const invalid_argument&) = default;
+ invalid_argument& operator=(const invalid_argument&) = default;
+ invalid_argument(invalid_argument&&) = default;
+ invalid_argument& operator=(invalid_argument&&) = default;
+#endif
+ virtual ~invalid_argument() _GLIBCXX_NOTHROW;
};
/** Thrown when an object is constructed that would exceed its maximum
* permitted size (e.g., a basic_string instance). */
- class length_error : public logic_error
+ class length_error : public logic_error
{
public:
- explicit length_error(const string& __arg);
- virtual ~length_error() _GLIBCXX_USE_NOEXCEPT;
+ explicit length_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit length_error(const char*) _GLIBCXX_TXN_SAFE;
+ length_error(const length_error&) = default;
+ length_error& operator=(const length_error&) = default;
+ length_error(length_error&&) = default;
+ length_error& operator=(length_error&&) = default;
+#endif
+ virtual ~length_error() _GLIBCXX_NOTHROW;
};
/** This represents an argument whose value is not within the expected
* range (e.g., boundary checks in basic_string). */
- class out_of_range : public logic_error
+ class out_of_range : public logic_error
{
public:
- explicit out_of_range(const string& __arg);
- virtual ~out_of_range() _GLIBCXX_USE_NOEXCEPT;
+ explicit out_of_range(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit out_of_range(const char*) _GLIBCXX_TXN_SAFE;
+ out_of_range(const out_of_range&) = default;
+ out_of_range& operator=(const out_of_range&) = default;
+ out_of_range(out_of_range&&) = default;
+ out_of_range& operator=(out_of_range&&) = default;
+#endif
+ virtual ~out_of_range() _GLIBCXX_NOTHROW;
};
/** Runtime errors represent problems outside the scope of a program;
* the program executes.
* @brief One of two subclasses of exception.
*/
- class runtime_error : public exception
+ class runtime_error : public exception
{
- string _M_msg;
+ __cow_string _M_msg;
public:
/** Takes a character string describing the error. */
- explicit
- runtime_error(const string& __arg);
+ explicit
+ runtime_error(const string& __arg) _GLIBCXX_TXN_SAFE;
- virtual ~runtime_error() _GLIBCXX_USE_NOEXCEPT;
+#if __cplusplus >= 201103L
+ explicit
+ runtime_error(const char*) _GLIBCXX_TXN_SAFE;
+
+ runtime_error(runtime_error&&) noexcept;
+ runtime_error& operator=(runtime_error&&) noexcept;
+#endif
+
+#if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_DEFINE_STDEXCEPT_COPY_OPS
+ runtime_error(const runtime_error&) _GLIBCXX_NOTHROW;
+ runtime_error& operator=(const runtime_error&) _GLIBCXX_NOTHROW;
+#elif __cplusplus >= 201103L
+ runtime_error(const runtime_error&) = default;
+ runtime_error& operator=(const runtime_error&) = default;
+#endif
+
+ virtual ~runtime_error() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
/** Returns a C-style character string describing the general cause of
* the current error (the same string passed to the ctor). */
- virtual const char*
- what() const _GLIBCXX_USE_NOEXCEPT;
+ virtual const char*
+ what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
+
+# ifdef _GLIBCXX_TM_TS_INTERNAL
+ friend void*
+ ::_txnal_runtime_error_get_msg(void* e);
+# endif
};
/** Thrown to indicate range errors in internal computations. */
- class range_error : public runtime_error
+ class range_error : public runtime_error
{
public:
- explicit range_error(const string& __arg);
- virtual ~range_error() _GLIBCXX_USE_NOEXCEPT;
+ explicit range_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit range_error(const char*) _GLIBCXX_TXN_SAFE;
+ range_error(const range_error&) = default;
+ range_error& operator=(const range_error&) = default;
+ range_error(range_error&&) = default;
+ range_error& operator=(range_error&&) = default;
+#endif
+ virtual ~range_error() _GLIBCXX_NOTHROW;
};
/** Thrown to indicate arithmetic overflow. */
- class overflow_error : public runtime_error
+ class overflow_error : public runtime_error
{
public:
- explicit overflow_error(const string& __arg);
- virtual ~overflow_error() _GLIBCXX_USE_NOEXCEPT;
+ explicit overflow_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit overflow_error(const char*) _GLIBCXX_TXN_SAFE;
+ overflow_error(const overflow_error&) = default;
+ overflow_error& operator=(const overflow_error&) = default;
+ overflow_error(overflow_error&&) = default;
+ overflow_error& operator=(overflow_error&&) = default;
+#endif
+ virtual ~overflow_error() _GLIBCXX_NOTHROW;
};
/** Thrown to indicate arithmetic underflow. */
- class underflow_error : public runtime_error
+ class underflow_error : public runtime_error
{
public:
- explicit underflow_error(const string& __arg);
- virtual ~underflow_error() _GLIBCXX_USE_NOEXCEPT;
+ explicit underflow_error(const string& __arg) _GLIBCXX_TXN_SAFE;
+#if __cplusplus >= 201103L
+ explicit underflow_error(const char*) _GLIBCXX_TXN_SAFE;
+ underflow_error(const underflow_error&) = default;
+ underflow_error& operator=(const underflow_error&) = default;
+ underflow_error(underflow_error&&) = default;
+ underflow_error& operator=(underflow_error&&) = default;
+#endif
+ virtual ~underflow_error() _GLIBCXX_NOTHROW;
};
// @} group exceptions
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