| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Keyword-argument support functions requiring a hosted implementation |
| 4 | * |
| 5 | * (c) 2015 Straylight/Edgeware |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 9 | * |
| 10 | * This file is part of the Sensible Object Design, an object system for C. |
| 11 | * |
| 12 | * SOD is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU Library General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of the |
| 15 | * License, or (at your option) any later version. |
| 16 | * |
| 17 | * SOD is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU Library General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Library General Public |
| 23 | * License along with SOD; if not, write to the Free |
| 24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 25 | * MA 02111-1307, USA. |
| 26 | */ |
| 27 | |
| 28 | /*----- Header files ------------------------------------------------------*/ |
| 29 | |
| 30 | #include <stdio.h> |
| 31 | #include <stdlib.h> |
| 32 | |
| 33 | /*----- Main code ---------------------------------------------------------*/ |
| 34 | |
| 35 | /* --- @kw_defunknown@ --- * |
| 36 | * |
| 37 | * Arguments: @const char *set@ = keyword set name |
| 38 | * @const char *kw@ = the offending keyword name |
| 39 | * |
| 40 | * Returns: Doesn't. |
| 41 | * |
| 42 | * Use: This is the default @kw_unkhook@ hook function. |
| 43 | * |
| 44 | * In a hosted implementation, this function reports an internal |
| 45 | * error to stderr about the unknown keyword and calls @abort@. |
| 46 | * It is an implementation responsibility for freestanding |
| 47 | * implementations wanting to use this keyword argument |
| 48 | * mechanism. |
| 49 | */ |
| 50 | |
| 51 | void kw_defunknown(const char *set, const char *kw) |
| 52 | { |
| 53 | fprintf(stderr, "INTERNAL ERROR: unknown `%s' keyword argument `%s'\n", |
| 54 | set, kw); |
| 55 | abort(); |
| 56 | } |
| 57 | |
| 58 | /* --- @kw__hookfailed@ --- * |
| 59 | * |
| 60 | * Arguments: --- |
| 61 | * |
| 62 | * Returns: Doesn't. |
| 63 | * |
| 64 | * Use: Called by @kw_unknown@ if the @kw_unkhook@ hook function |
| 65 | * returns. |
| 66 | * |
| 67 | * User code is not expected to call this function. It exists |
| 68 | * as an implementation respensibility for freestanding |
| 69 | * implementations wanting to use this keyword argument |
| 70 | * mechanism. |
| 71 | */ |
| 72 | |
| 73 | void kw__hookfailed(void) |
| 74 | { |
| 75 | fprintf(stderr, "INTERNAL ERROR: `kw_unkhook' hook function returned\n"); |
| 76 | abort(); |
| 77 | } |
| 78 | |
| 79 | /*----- That's all, folks -------------------------------------------------*/ |