gcc/libstdc++-v3/libsupc++/tinfo2.cc

168 lines
4.5 KiB
C++
Raw Normal View History

// Methods for type_info for -*- C++ -*- Run Time Type Identification.
// Copyright (C) 1994, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Add support for -fno-exceptions. 2001-02-15 Benjamin Kosnik <bkoz@redhat.com> Add support for -fno-exceptions. * include/bits/exception_support.h: Remove. * include/bits/basic_string.h: Remove exception_support. (string::_M_check): Replace __OUTOFRANGE with __throw_out_of_range. (string::at): Same. (string::substr): Same. * include/bits/basic_string.tcc (string::reserve): Replace __LENGTHERROR with __throw_length_error. (string::_S_create): Same. (string::resize): Same. (string::_M_replace): Same. (string::replace): Same. (string::copy): Replace __OUTOFRANGE with __throw_out_of_range. (string::compare): Same. * include/bits/stl_vector.h: Remove exception_support. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/bits/stl_range_errors.h: Remove. * include/bits/stl_deque.h: Use __throw_range_error. * include/bits/std_deque.h: Include functexcept.h. * include/bits/std_vector.h: Same. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/ext/stl_bvector.h (class __BVECTOR): Use __throw_range_error. * include/ext/bvector: Remove stl_range_errors.h * include/bits/c++config (_GLIBCPP_USE_EXCEPTIONS): Remove. * include/bits/functexcept.h: New file. * src/functexcept.cc: New file. Definitions for function-based exception routines. * src/Makefile.am (sources): Add functexcept.cc. * src/Makefile.in: Regenerate. * include/bits/stl_config.h (__STL_USE_EXCEPTIONS): Wrap with __EXCEPTIONS. * include/bits/localefwd.h: Include functexcept.h. * include/bits/std_iosfwd.h: Same. * include/bits/basic_ios.h: Use __throw_ios_failure instead of throw basic_ios::failure. * include/bits/fstream.tcc (filebuf::_M_allocate_buffers): Use __throw_exception_again. (filebuf::_M_filebuf_init): Same. * include/bits/streambuf.tcc (__copy_streambufs): Same. * include/bits/ostream.tcc (ostream::operator<<): Same. * include/bits/istream.tcc (istream::operator>>): Same. * include/bits/basic_string.tcc (string::_M_mutate): Same. (string::_S_construct): Same. (string::_M_clone): Same. * include/bits/locale_facets.tcc (use_facet(const locale&)): Use __throw_bad_cast. (num_put<_CharT, _OutIter>::do_put): Use __throw_exception_again. * src/localename.cc (locale::_Imp::_Imp(const _Impl&, size_t): Use __throw_exception_again. (locale::_Imp::_Imp(string, size_t): Same. (locale::_Imp::_M_replace_facet): Use __throw_runtime_error. * src/locale.cc (locale::_M_coalesce): Use __throw_exception_again. (locale::locale(const char*)): Use __throw_runtime_error. (locale::classic): Use __throw_exception_again. (locale::_S_normalize_category): Use __throw_runtime_error. * src/stdexcept.cc: Remove cruft. * libsupc++/exception_defines.h: New file. * libsupc++/new_opnt.cc: Include exception_defines.h. * libsupc++/vec.cc: Same. (__cxa_vec_new2): Use __throw_exception_again. (__cxa_vec_new3): Same. (__cxa_vec_ctor): Same. (__cxa_vec_delete3): Same. (__cxa_vec_cctor): Same. (__cxa_vec_delete2): Same. (__cxa_vec_dtor): Same. * libsupc++/exception_support.cc: Include exception_defines.h. Only compile exception-handling bits if __EXCEPTIONS is defined. Remove old ABI support. * libsupc++/new_op.cc (new): Include exception_defines.h. Use std::__throw_bad_alloc() instead of throw bad_alloc. * libsupc++/Makefile.am: Add exception_defines.h. * libsupc++/Makefile.in: Reformat. * libsupc++/*: Format. From-SVN: r39730
2001-02-16 01:44:44 +01:00
// Free Software Foundation
//
// This file is part of GCC.
Add support for -fno-exceptions. 2001-02-15 Benjamin Kosnik <bkoz@redhat.com> Add support for -fno-exceptions. * include/bits/exception_support.h: Remove. * include/bits/basic_string.h: Remove exception_support. (string::_M_check): Replace __OUTOFRANGE with __throw_out_of_range. (string::at): Same. (string::substr): Same. * include/bits/basic_string.tcc (string::reserve): Replace __LENGTHERROR with __throw_length_error. (string::_S_create): Same. (string::resize): Same. (string::_M_replace): Same. (string::replace): Same. (string::copy): Replace __OUTOFRANGE with __throw_out_of_range. (string::compare): Same. * include/bits/stl_vector.h: Remove exception_support. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/bits/stl_range_errors.h: Remove. * include/bits/stl_deque.h: Use __throw_range_error. * include/bits/std_deque.h: Include functexcept.h. * include/bits/std_vector.h: Same. * src/Makefile.am (base_headers): Remove here. * src/Makefile.in: Regenerate. * include/ext/stl_bvector.h (class __BVECTOR): Use __throw_range_error. * include/ext/bvector: Remove stl_range_errors.h * include/bits/c++config (_GLIBCPP_USE_EXCEPTIONS): Remove. * include/bits/functexcept.h: New file. * src/functexcept.cc: New file. Definitions for function-based exception routines. * src/Makefile.am (sources): Add functexcept.cc. * src/Makefile.in: Regenerate. * include/bits/stl_config.h (__STL_USE_EXCEPTIONS): Wrap with __EXCEPTIONS. * include/bits/localefwd.h: Include functexcept.h. * include/bits/std_iosfwd.h: Same. * include/bits/basic_ios.h: Use __throw_ios_failure instead of throw basic_ios::failure. * include/bits/fstream.tcc (filebuf::_M_allocate_buffers): Use __throw_exception_again. (filebuf::_M_filebuf_init): Same. * include/bits/streambuf.tcc (__copy_streambufs): Same. * include/bits/ostream.tcc (ostream::operator<<): Same. * include/bits/istream.tcc (istream::operator>>): Same. * include/bits/basic_string.tcc (string::_M_mutate): Same. (string::_S_construct): Same. (string::_M_clone): Same. * include/bits/locale_facets.tcc (use_facet(const locale&)): Use __throw_bad_cast. (num_put<_CharT, _OutIter>::do_put): Use __throw_exception_again. * src/localename.cc (locale::_Imp::_Imp(const _Impl&, size_t): Use __throw_exception_again. (locale::_Imp::_Imp(string, size_t): Same. (locale::_Imp::_M_replace_facet): Use __throw_runtime_error. * src/locale.cc (locale::_M_coalesce): Use __throw_exception_again. (locale::locale(const char*)): Use __throw_runtime_error. (locale::classic): Use __throw_exception_again. (locale::_S_normalize_category): Use __throw_runtime_error. * src/stdexcept.cc: Remove cruft. * libsupc++/exception_defines.h: New file. * libsupc++/new_opnt.cc: Include exception_defines.h. * libsupc++/vec.cc: Same. (__cxa_vec_new2): Use __throw_exception_again. (__cxa_vec_new3): Same. (__cxa_vec_ctor): Same. (__cxa_vec_delete3): Same. (__cxa_vec_cctor): Same. (__cxa_vec_delete2): Same. (__cxa_vec_dtor): Same. * libsupc++/exception_support.cc: Include exception_defines.h. Only compile exception-handling bits if __EXCEPTIONS is defined. Remove old ABI support. * libsupc++/new_op.cc (new): Include exception_defines.h. Use std::__throw_bad_alloc() instead of throw bad_alloc. * libsupc++/Makefile.am: Add exception_defines.h. * libsupc++/Makefile.in: Reformat. * libsupc++/*: Format. From-SVN: r39730
2001-02-16 01:44:44 +01:00
//
// GCC is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
[multiple changes] 2000-10-30 Benjamin Kosnik <bkoz@redhat.com> * src/complex_io.cc : Remove ancient defines. * config/os/gnu-linux/bits/os_defines.h: Add defines. * libsupc++/tinfo2.cc: Change to cstddef. * include/bits/codecvt.h: Add include of c++config.h, so that __USE_GNU gets defined. (Important for alpha.) * include/c/bits/std_cwctype.h: Same. * include/c/bits/std_ctime.h: And here. * include/c/bits/std_cstdarg.h: Same. * include/c/bits/std_csignal.h: Same. * include/c/bits/std_csetjmp.h: Same. * include/c/bits/std_clocale.h: Same. * include/c/bits/std_climits.h: Touch. * include/c/bits/std_cfloat.h: Same. * include/c/bits/std_cerrno.h: Same. * include/c/bits/std_cwchar.h: Same. * include/c/bits/std_cassert.h: Same. * include/c/bits/std_cctype.h: Same. * include/c/bits/std_cstddef.h: And here. * include/c/bits/std_cstdlib.h: And here. * include/c/bits/std_cstdio.h: Same. * include/c/bits/std_cstring.h: Add names to namespace std::. * include/bits/c++config (_GNU_SOURCE): Move linux-specific macros from here... (_ISOC99_SOURCE): And this one.... * config/os/gnu-linux/bits/os_defines.h: ...to here. * include/bits/codecvt.h (codecvt<_InternT, _ExternT, __enc_traits>::do_in): Don't cast to const, this is a bug in glibc prior to 2.2. (codecvt<_InternT, _ExternT, __enc_traits>::do_out): Same. * include/c/bits/std_cwchar.h: Add using declarations for mbstate_t. 2000-10-30 Steven King <sxking@uswest.net> * include/bits/codecvt.h: Add cast. * include/c_std/stdio.h: Re-add printf using declaration. * include/c_std/bits/std_cstdio.h: Same * testsuite/22_locale/codecvt_wchar_t_char.cc: Fixup testsuite. * testsuite/22_locale/ctor_copy_dtor.cc: Same. * testsuite/22_locale/facet.cc: Same. * testsuite/22_locale/global_templates.cc: Same. * testsuite/22_locale/operators.cc: Same. * testsuite/22_locale/static_members.cc: Same. * testsuite/26_numerics/c_math.cc: Same. * testsuite/26_numerics/complex_inserters_extractors.cc: Same. * testsuite/27_io/fpos.cc: Same. * testsuite/27_io/istream_extractor_arith.cc: Same. * testsuite/27_io/istream_unformatted.cc: Same. * testsuite/27_io/ostream_inserter_arith.cc: Same. * testsuite/27_io/streambuf.cc: Same. From-SVN: r37149
2000-10-31 02:26:06 +01:00
#include <cstddef>
#include "tinfo.h"
#include "new" // for placement new
// We can't rely on having stdlib.h if we're freestanding.
extern "C" void abort ();
using std::type_info;
#if !__GXX_MERGED_TYPEINFO_NAMES
bool
type_info::before (const type_info &arg) const
{
return __builtin_strcmp (name (), arg.name ()) < 0;
}
#endif
#include <cxxabi.h>
namespace __cxxabiv1 {
using namespace std;
// This has special meaning to the compiler, and will cause it
// to emit the type_info structures for the fundamental types which are
// mandated to exist in the runtime.
__fundamental_type_info::
~__fundamental_type_info ()
{}
__array_type_info::
~__array_type_info ()
{}
__function_type_info::
~__function_type_info ()
{}
__enum_type_info::
~__enum_type_info ()
{}
__pbase_type_info::
~__pbase_type_info ()
{}
__pointer_type_info::
~__pointer_type_info ()
{}
__pointer_to_member_type_info::
~__pointer_to_member_type_info ()
{}
bool __pointer_type_info::
__is_pointer_p () const
{
return true;
}
bool __function_type_info::
__is_function_p () const
{
return true;
}
bool __pbase_type_info::
__do_catch (const type_info *thr_type,
void **thr_obj,
unsigned outer) const
{
if (*this == *thr_type)
return true; // same type
if (typeid (*this) != typeid (*thr_type))
return false; // not both same kind of pointers
if (!(outer & 1))
// We're not the same and our outer pointers are not all const qualified
// Therefore there must at least be a qualification conversion involved
// But for that to be valid, our outer pointers must be const qualified.
return false;
const __pbase_type_info *thrown_type =
static_cast <const __pbase_type_info *> (thr_type);
if (thrown_type->__flags & ~__flags)
// We're less qualified.
return false;
if (!(__flags & __const_mask))
outer &= ~1;
return __pointer_catch (thrown_type, thr_obj, outer);
}
inline bool __pbase_type_info::
__pointer_catch (const __pbase_type_info *thrown_type,
void **thr_obj,
unsigned outer) const
{
return __pointee->__do_catch (thrown_type->__pointee, thr_obj, outer + 2);
}
bool __pointer_type_info::
__pointer_catch (const __pbase_type_info *thrown_type,
void **thr_obj,
unsigned outer) const
{
if (outer < 2 && *__pointee == typeid (void))
{
// conversion to void
return !thrown_type->__pointee->__is_function_p ();
}
return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
}
bool __pointer_to_member_type_info::
__pointer_catch (const __pbase_type_info *thr_type,
void **thr_obj,
unsigned outer) const
{
// This static cast is always valid, as our caller will have determined that
// thr_type is really a __pointer_to_member_type_info.
const __pointer_to_member_type_info *thrown_type =
static_cast <const __pointer_to_member_type_info *> (thr_type);
if (*__context != *thrown_type->__context)
return false; // not pointers to member of same class
return __pbase_type_info::__pointer_catch (thrown_type, thr_obj, outer);
}
} // namespace std