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| 1 : | anton | 1.1 | \ ERRORE.FS English error strings 9may93jaw |
| 2 : | |||
| 3 : | \ Copyright (C) 1995 Free Software Foundation, Inc. | ||
| 4 : | |||
| 5 : | \ This file is part of Gforth. | ||
| 6 : | |||
| 7 : | \ Gforth is free software; you can redistribute it and/or | ||
| 8 : | \ modify it under the terms of the GNU General Public License | ||
| 9 : | \ as published by the Free Software Foundation; either version 2 | ||
| 10 : | \ of the License, or (at your option) any later version. | ||
| 11 : | |||
| 12 : | \ This program is distributed in the hope that it will be useful, | ||
| 13 : | \ but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 : | \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 : | \ GNU General Public License for more details. | ||
| 16 : | |||
| 17 : | \ You should have received a copy of the GNU General Public License | ||
| 18 : | \ along with this program; if not, write to the Free Software | ||
| 19 : | \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 20 : | |||
| 21 : | |||
| 22 : | \ The errors are defined by a linked list, for easy adding | ||
| 23 : | \ and deleting. Speed is not neccassary at this point. | ||
| 24 : | |||
| 25 : | AVARIABLE ErrLink \ Linked list entry point | ||
| 26 : | NIL ErrLink ! | ||
| 27 : | |||
| 28 : | decimal | ||
| 29 : | |||
| 30 : | \ error numbers between -256 and -511 represent signals | ||
| 31 : | \ signals are handled with strsignal | ||
| 32 : | \ but some signals produce throw-codes > -256, e.g., -28 | ||
| 33 : | |||
| 34 : | \ error numbers between -512 and -2047 are for OS errors and are | ||
| 35 : | \ handled with strerror | ||
| 36 : | |||
| 37 : | : .error ( n -- ) | ||
| 38 : | cr ." Error: " | ||
| 39 : | ErrLink | ||
| 40 : | BEGIN @ dup | ||
| 41 : | WHILE | ||
| 42 : | 2dup cell+ @ = | ||
| 43 : | IF 2 cells + count type drop exit THEN | ||
| 44 : | REPEAT | ||
| 45 : | drop | ||
| 46 : | [ has-os [IF] ] | ||
| 47 : | dup -511 -255 within | ||
| 48 : | IF | ||
| 49 : | 256 + negate strsignal type exit | ||
| 50 : | THEN | ||
| 51 : | dup -2047 -511 within | ||
| 52 : | IF | ||
| 53 : | 512 + negate strerror type exit | ||
| 54 : | THEN | ||
| 55 : | [ [THEN] ] | ||
| 56 : | . ; | ||
| 57 : |
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