/* * Copyright (c) 2020 Martin Storsjo * * This file is part of llvm-mingw. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include jmp_buf jmp; class RecurseClass { public: RecurseClass(int v) : val(v) { fprintf(stderr, "ctor %d\n", val); } ~RecurseClass() { fprintf(stderr, "dtor %d\n", val); } private: int val; }; void recurse(int val) { RecurseClass obj(val); if (val == 0) { longjmp(jmp, 1); } if (val == 5) { if (!setjmp(jmp)) recurse(val - 1); else fprintf(stderr, "returned from setjmp\n"); } else { recurse(val - 1); } fprintf(stderr, "finishing function recurse %d\n", val); } int main(int argc, char* argv[]) { recurse(10); return 0; }