projects / thirdparty / gcc.git / blame
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1 | // -*- C++ -*- header wrapper. |
| 2 | ||
| 3 | // Copyright (C) 1997-1999, 2000 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 2, 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 | // You should have received a copy of the GNU General Public License along | |
| 17 | // with this library; see the file COPYING. If not, write to the Free | |
| 18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
| 19 | // USA. | |
| 20 | ||
| 21 | // As a special exception, you may use this file as part of a free software | |
| 22 | // library without restriction. Specifically, if other files instantiate | |
| 23 | // templates or use macros or inline functions from this file, or you compile | |
| 24 | // this file and link it with other files to produce an executable, this | |
| 25 | // file does not by itself cause the resulting executable to be covered by | |
| 26 | // the GNU General Public License. This exception does not however | |
| 27 | // invalidate any other reasons why the executable file might be covered by | |
| 28 | // the GNU General Public License. | |
| 29 | ||
| 30 | // | |
| 31 | // ISO C++ 14882: 20.4.6 C library | |
| 32 | // | |
| 33 | ||
| 34 | #ifndef _CPP_CSETJMP | |
| 35 | #define _CPP_CSETJMP 1 | |
| 36 | ||
| 37 | # ifdef _IN_C_LEGACY_ /* sub-included by a C header */ | |
| 38 | // get out of the "legacy" | |
| 39 | } // close extern "C" | |
| 40 | } // close namespace _C_legacy:: | |
| 41 | # undef _IN_C_LEGACY_ | |
| 42 | # define _SETJMP_NEED_C_LEGACY_ | |
| 43 | # endif | |
| 44 | ||
| 45 | namespace _C_legacy { | |
| 46 | extern "C" { | |
| 47 | # define _IN_C_LEGACY_ | |
| 48 | # pragma GCC system_header | |
| 49 | # include_next <setjmp.h> | |
| 50 | } | |
| 51 | inline int | |
| 52 | _CPP_setjmp_capture(jmp_buf __jb) { return setjmp(__jb); } | |
| 53 | } // namespace _C_legacy | |
| 54 | ||
| 55 | # undef jmp_buf | |
| 56 | # undef setjmp | |
| 57 | # define setjmp(__jb) ::_C_legacy::_CPP_setjmp_capture(__jb) | |
| 58 | # undef longjmp | |
| 59 | ||
| 60 | namespace std { | |
| 61 | // Adopt C names into std:: | |
| 62 | using _C_legacy::jmp_buf; | |
| 63 | using _C_legacy::longjmp; | |
| 64 | } // namespace std | |
| 65 | ||
| 66 | # undef _IN_C_LEGACY_ | |
| 67 | ||
| 68 | // Expose global C names, including non-standard ones, but shadow | |
| 69 | // some names and types with the std:: C++ version. | |
| 70 | using std::jmp_buf; | |
| 71 | using std::longjmp; | |
| 72 | ||
| 73 | # ifdef _SETJMP_NEED_C_LEGACY_ | |
| 74 | // dive back into the "swamp" | |
| 75 | namespace _C_legacy { | |
| 76 | extern "C" { | |
| 77 | # define _IN_C_LEGACY_ | |
| 78 | # undef _SETJMP_NEED_C_LEGACY_ | |
| 79 | # endif /* _SETJMP_NEED_C_LEGACY_ */ | |
| 80 | ||
| 81 | #endif /*_CPP_CSETJUMP*/ | |
| 82 | ||
| 83 | ||
| 84 |