| /* |
| * Copyright 2017, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the BSD 2-Clause license. Note that NO WARRANTY is provided. |
| * See "LICENSE_BSD2.txt" for details. |
| * |
| * @TAG(DATA61_BSD) |
| */ |
| |
| #pragma once |
| |
| /* Macros relevant for verification. */ |
| |
| #include <assert.h> |
| |
| /* This induces a guard containing the given expression in the lifted |
| * specification of your function in Isabelle. You can think of this as an |
| * assertion that is also visible (and necessary to prove) in Isabelle. |
| */ |
| #define GUARD(x) \ |
| do { \ |
| assert(x); \ |
| if (!(x)) { \ |
| for (;;); \ |
| } \ |
| } while (0) |