xref: /freebsd/contrib/llvm-project/libcxx/include/stdexcept (revision 5f757f3ff9144b609b3c433dfd370cc6bdc191ad)

// -*- 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

*/

#include <__assert> // all public C++ headers provide the assertion handler
#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;

    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;

    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_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __throw_runtime_error(const char*);

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

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

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

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

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

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

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

_LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI
void __throw_underflow_error(const char*__msg)
{
#ifndef _LIBCPP_HAS_NO_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

#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
#  include <cstdlib>
#  include <exception>
#  include <iosfwd>
#endif

#endif // _LIBCPP_STDEXCEPT