libcxx/include/stdexcept

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_STDEXCEPT
#define _LIBCPP_STDEXCEPT

/*
    stdexcept synopsis

namespace std
{

class logic_error;
class domain_error;
class invalid_argument;
class length_error;
class out_of_range;
class runtime_error;
class range_error;
class overflow_error;
class underflow_error;

for each class xxx_error:

class xxx_error : public exception // at least indirectly
{
public:
    explicit xxx_error(const string& what_arg);
    explicit xxx_error(const char*   what_arg);

    virtual const char* what() const noexcept // returns what_arg
};

}  // std

*/

#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#  include <__cxx03/stdexcept>
#else
#  include <__config>
#  include <__exception/exception.h>
#  include <__fwd/string.h>
#  include <__verbose_abort>

#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#    pragma GCC system_header
#  endif

_LIBCPP_BEGIN_NAMESPACE_STD

#  ifndef _LIBCPP_ABI_VCRUNTIME
class _LIBCPP_HIDDEN __libcpp_refstring {
  const char* __imp_;

  bool __uses_refcount() const;

public:
  explicit __libcpp_refstring(const char* __msg);
  __libcpp_refstring(const __libcpp_refstring& __s) _NOEXCEPT;
  __libcpp_refstring& operator=(const __libcpp_refstring& __s) _NOEXCEPT;
  ~__libcpp_refstring();

  _LIBCPP_HIDE_FROM_ABI const char* c_str() const _NOEXCEPT { return __imp_; }
};
#  endif // !_LIBCPP_ABI_VCRUNTIME

_LIBCPP_END_NAMESPACE_STD

namespace std // purposefully not using versioning namespace
{

class _LIBCPP_EXPORTED_FROM_ABI logic_error : public exception {
#  ifndef _LIBCPP_ABI_VCRUNTIME

private:
  std::__libcpp_refstring __imp_;

public:
  explicit logic_error(const string&);
  explicit logic_error(const char*);

  logic_error(const logic_error&) _NOEXCEPT;
  logic_error& operator=(const logic_error&) _NOEXCEPT;

  ~logic_error() _NOEXCEPT override;

  [[__nodiscard__]] const char* what() const _NOEXCEPT override;
#  else

public:
  explicit logic_error(const std::string&); // Symbol uses versioned std::string
  _LIBCPP_HIDE_FROM_ABI explicit logic_error(const char* __s) : exception(__s) {}
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI runtime_error : public exception {
#  ifndef _LIBCPP_ABI_VCRUNTIME

private:
  std::__libcpp_refstring __imp_;

public:
  explicit runtime_error(const string&);
  explicit runtime_error(const char*);

  runtime_error(const runtime_error&) _NOEXCEPT;
  runtime_error& operator=(const runtime_error&) _NOEXCEPT;

  ~runtime_error() _NOEXCEPT override;

  [[__nodiscard__]] const char* what() const _NOEXCEPT override;
#  else

public:
  explicit runtime_error(const std::string&); // Symbol uses versioned std::string
  _LIBCPP_HIDE_FROM_ABI explicit runtime_error(const char* __s) : exception(__s) {}
#  endif // _LIBCPP_ABI_VCRUNTIME
};

class _LIBCPP_EXPORTED_FROM_ABI domain_error : public logic_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit domain_error(const string& __s) : logic_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit domain_error(const char* __s) : logic_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI domain_error(const domain_error&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI domain_error& operator=(const domain_error&) _NOEXCEPT = default;
  ~domain_error() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI invalid_argument : public logic_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit invalid_argument(const string& __s) : logic_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit invalid_argument(const char* __s) : logic_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI invalid_argument(const invalid_argument&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI invalid_argument& operator=(const invalid_argument&) _NOEXCEPT = default;
  ~invalid_argument() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI length_error : public logic_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit length_error(const string& __s) : logic_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit length_error(const char* __s) : logic_error(__s) {}
#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI length_error(const length_error&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI length_error& operator=(const length_error&) _NOEXCEPT = default;
  ~length_error() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI out_of_range : public logic_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const string& __s) : logic_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const char* __s) : logic_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI out_of_range(const out_of_range&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI out_of_range& operator=(const out_of_range&) _NOEXCEPT = default;
  ~out_of_range() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI range_error : public runtime_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit range_error(const string& __s) : runtime_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit range_error(const char* __s) : runtime_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI range_error(const range_error&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI range_error& operator=(const range_error&) _NOEXCEPT = default;
  ~range_error() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI overflow_error : public runtime_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit overflow_error(const string& __s) : runtime_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit overflow_error(const char* __s) : runtime_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI overflow_error(const overflow_error&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI overflow_error& operator=(const overflow_error&) _NOEXCEPT = default;
  ~overflow_error() _NOEXCEPT override;
#  endif
};

class _LIBCPP_EXPORTED_FROM_ABI underflow_error : public runtime_error {
public:
  _LIBCPP_HIDE_FROM_ABI explicit underflow_error(const string& __s) : runtime_error(__s) {}
  _LIBCPP_HIDE_FROM_ABI explicit underflow_error(const char* __s) : runtime_error(__s) {}

#  ifndef _LIBCPP_ABI_VCRUNTIME
  _LIBCPP_HIDE_FROM_ABI underflow_error(const underflow_error&) _NOEXCEPT            = default;
  _LIBCPP_HIDE_FROM_ABI underflow_error& operator=(const underflow_error&) _NOEXCEPT = default;
  ~underflow_error() _NOEXCEPT override;
#  endif
};

} // namespace std

_LIBCPP_BEGIN_NAMESPACE_STD

// in the dylib
_LIBCPP_BEGIN_EXPLICIT_ABI_ANNOTATIONS
[[__noreturn__]] _LIBCPP_EXPORTED_FROM_ABI void __throw_runtime_error(const char*);
_LIBCPP_END_EXPLICIT_ABI_ANNOTATIONS

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_logic_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw logic_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("logic_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_domain_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw domain_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("domain_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_invalid_argument(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw invalid_argument(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("invalid_argument was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_length_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw length_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("length_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_out_of_range(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw out_of_range(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("out_of_range was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_range_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw range_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("range_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_overflow_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw overflow_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("overflow_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_underflow_error(const char* __msg) {
#  if _LIBCPP_HAS_EXCEPTIONS
  throw underflow_error(__msg);
#  else
  _LIBCPP_VERBOSE_ABORT("underflow_error was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#  endif
}

_LIBCPP_END_NAMESPACE_STD

#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)

#endif // _LIBCPP_STDEXCEPT