Artifact e9c91601df02b4a956975f34e262d7fadacde476611e6a485d9ac2163fab8952:
- File
trycatch.h
— part of check-in
[86d6342f24]
at
2017-01-22 15:48:23
on branch trunk
— Rename the include guard
The include guard caused a warning with newer versions of Clang. (user: js, size: 2546) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2014, Jonathan Schleifer <js@webkeks.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef TRYCATCH_H_INCLUDED #define TRYCATCH_H_INCLUDED #include <setjmp.h> #include <stdnoreturn.h> #define TRYCATCH_CONCAT2(a, b) a ## b #define TRYCATCH_CONCAT(a, b) TRYCATCH_CONCAT2(a, b) #ifndef TRYCATCH_NORETURN # define TRYCATCH_NORETURN #endif #define try \ struct trycatch_frame *TRYCATCH_CONCAT(trycatch_frame, __LINE__); \ jmp_buf TRYCATCH_CONCAT(trycatch_jmpbuf, __LINE__); \ TRYCATCH_CONCAT(trycatch_frame, __LINE__) = trycatch_frame_push(); \ trycatch_ex = setjmp(TRYCATCH_CONCAT(trycatch_jmpbuf, __LINE__)); \ if (trycatch_ex == 0) \ TRYCATCH_CONCAT(trycatch_frame, __LINE__)->jmpbuf = \ &TRYCATCH_CONCAT(trycatch_jmpbuf, __LINE__); \ if (trycatch_ex == 0) #define catch(ex) \ trycatch_frame_pop(); \ for (int ex = trycatch_ex; trycatch_ex != 0; trycatch_ex = 0) #define throw(ex) trycatch_throw(ex) #define rethrow trycatch_throw(trycatch_ex) struct trycatch_frame { jmp_buf *jmpbuf; struct trycatch_frame *prev; }; static int trycatch_ex; struct trycatch_frame *trycatch_frame_push(void); void trycatch_frame_pop(void); void TRYCATCH_NORETURN trycatch_throw(int ex); #endif