File:
[gforth] /
gforth /
errors.fs
Revision
1.12:
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Mon Apr 1 15:34:34 2002 UTC (22 years ago) by
anton
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added regression test for signal on broken execute (not working on Linux-PPC)
new error message and code for ticking compile-only words
bug workaround for gforth binary (dynamic superinsts produced wrong code for
?dup-0=-branch)
1: \ Load in error strings
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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: [IFUNDEF] linked \ defined by chains.fs?!
22: : linked here over @ a, swap ! ;
23: [THEN]
24:
25: : errstring ( addr u n -- )
26: ErrLink linked
27: ,
28: string, align ;
29:
30: decimal
31:
32: -1 s" Aborted" rot errstring
33: -3 s" Stack overflow" rot errstring
34: -4 s" Stack underflow" rot errstring
35: -5 s" Return stack overflow" rot errstring
36: -6 s" Return stack underflow" rot errstring
37: -7 s" Do-loops nested too deeply" rot errstring
38: -8 s" Dictionary overflow" rot errstring
39: -9 s" Invalid memory address" rot errstring
40: -10 s" Division by zero" rot errstring
41: -11 s" Result out of range" rot errstring
42: -12 s" Argument type mismatch" rot errstring
43: -13 s" Undefined word" rot errstring
44: -14 s" Interpreting a compile-only word" rot errstring
45: -15 s" Invalid FORGET" rot errstring
46: -16 s" Attempt to use zero-length string as a name" rot errstring
47: -17 s" Pictured numeric ouput string overflow" rot errstring
48: -18 s" Parsed string overflow" rot errstring
49: -19 s" Word name too long" rot errstring
50: -20 s" Write to a read-only location" rot errstring
51: -21 s" Unsupported operation" rot errstring
52: -22 s" Control structure mismatch" rot errstring
53: -23 s" Address alignment exception" rot errstring
54: -24 s" Invalid numeric argument" rot errstring
55: -25 s" Return stack imbalance" rot errstring
56: -26 s" Loop parameters unavailable" rot errstring
57: -27 s" Invalid recursion" rot errstring
58: -28 s" User interrupt" rot errstring
59: -29 s" Compiler nesting" rot errstring
60: -30 s" Obsolescent feature" rot errstring
61: -31 s" >BODY used on non-CREATEd definition" rot errstring
62: -32 s" Invalid name argument" rot errstring
63: -33 s" Block read exception" rot errstring
64: -34 s" Block write exception" rot errstring
65: -35 s" Invalid block number" rot errstring
66: -36 s" Invalid file position" rot errstring
67: -37 s" File I/O exception" rot errstring
68: -38 s" Non-existent file" rot errstring
69: -39 s" Unexpected end of file" rot errstring
70: -40 s" Invalid BASE for floating point conversion" rot errstring
71: -41 s" Loss of precision" rot errstring
72: -42 s" Floating-point divide by zero" rot errstring
73: -43 s" Floating-point result out of range" rot errstring
74: -44 s" Floating-point stack overflow" rot errstring
75: -45 s" Floating-point stack underflow" rot errstring
76: -46 s" Floating-point invalid argument" rot errstring
77: -47 s" Compilation word list deleted" rot errstring
78: -48 s" invalid POSTPONE" rot errstring
79: -49 s" Search-order overflow" rot errstring
80: -50 s" Search-order underflow" rot errstring
81: -51 s" Compilation word list changed" rot errstring
82: -52 s" Control-flow stack overflow" rot errstring
83: -53 s" Exception stack overflow" rot errstring
84: -54 s" Floating-point underflow" rot errstring
85: -55 s" Floating-point unidentified fault" rot errstring
86: -56 s" QUIT" rot errstring
87: -57 s" Error in sending or receiving a character" rot errstring
88: -58 s" [IF], [ELSE], [THEN] error" rot errstring
89:
90: \ Gforth's errors:
91:
92: -2048 s" Cannot tick compile-only word (try COMP' ... DROP)" rot errstring
93:
94: variable next-exception -2049 next-exception !
95:
96: : exception ( addr u -- n ) \ exception- gforth
97: \G @var{n} is a previously unused @code{throw} value in the range
98: \G (-4095...-256). Consecutive calls to @code{exception} return
99: \G consecutive decreasing numbers. Gforth uses the string
100: \G @var{addr u} as an error message.
101: next-exception @ errstring
102: next-exception @
103: -1 next-exception +! ;
104:
105:
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