1: \ ERRORE.FS English error strings 9may93jaw
2:
3: \ Copyright (C) 1995,1996,1997,1998,1999 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: require ./io.fs
26: require ./nio.fs
27:
28: AVariable ErrLink \ Linked list entry point
29: NIL ErrLink !
30:
31: decimal
32:
33: \ error numbers between -256 and -511 represent signals
34: \ signals are handled with strsignal
35: \ but some signals produce throw-codes > -256, e.g., -28
36:
37: \ error numbers between -512 and -2047 are for OS errors and are
38: \ handled with strerror
39:
40: has? OS [IF]
41: : >stderr ( -- )
42: r> outfile-id >r stderr to outfile-id
43: >exec r> to outfile-id ;
44: [ELSE]
45: : >stderr ;
46: [THEN]
47:
48: : .error ( n -- )
49: >stderr
50: ErrLink
51: BEGIN @ dup
52: WHILE
53: 2dup cell+ @ =
54: IF
55: 2 cells + count type drop EXIT THEN
56: REPEAT
57: drop
58: [ has? os [IF] ]
59: dup -511 -255 within
60: IF
61: 256 + negate strsignal type EXIT
62: THEN
63: dup -2047 -511 within
64: IF
65: 512 + negate strerror type EXIT
66: THEN
67: [ [THEN] ]
68: ." error " dec. ;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>