Annotation of gforth/kernel/errore.fs, revision 1.5
1.1 anton 1: \ ERRORE.FS English error strings 9may93jaw
2:
1.4 anton 3: \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
1.1 anton 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:
1.3 pazsan 25: AVariable ErrLink \ Linked list entry point
1.1 anton 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:
1.5 ! pazsan 37: has? OS [IF]
1.3 pazsan 38: : >stderr ( -- )
39: r> outfile-id >r stderr to outfile-id
40: >exec r> to outfile-id ;
1.5 ! pazsan 41: [ELSE]
! 42: : >stderr ;
! 43: [THEN]
1.3 pazsan 44:
1.1 anton 45: : .error ( n -- )
1.3 pazsan 46: >stderr
1.1 anton 47: cr ." Error: "
48: ErrLink
49: BEGIN @ dup
50: WHILE
51: 2dup cell+ @ =
1.3 pazsan 52: IF
53: 2 cells + count type drop EXIT THEN
1.1 anton 54: REPEAT
55: drop
1.2 jwilke 56: [ has? os [IF] ]
1.1 anton 57: dup -511 -255 within
58: IF
1.3 pazsan 59: 256 + negate strsignal type EXIT
1.1 anton 60: THEN
61: dup -2047 -511 within
62: IF
1.3 pazsan 63: 512 + negate strerror type EXIT
1.1 anton 64: THEN
65: [ [THEN] ]
66: . ;
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