Annotation of gforth/kernel/tools.fs, revision 1.7
1.1 anton 1: \ TOOLS.FS Toolkit extentions 2may93jaw
2:
1.6 anton 3: \ Copyright (C) 1995,1998 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: \ May be cross-compiled
22:
23: hex
24:
25: \ .S CORE / CORE EXT 9may93jaw
26:
27: variable maxdepth-.s
28: 9 maxdepth-.s !
29:
1.7 ! crook 30: : .s ( -- ) \ tools dot-s
! 31: \G Display the number of items on the data stack,
! 32: \G followed by a list of the items; TOS is the right-most item
1.1 anton 33: ." <" depth 0 .r ." > "
34: depth 0 max maxdepth-.s @ min
35: dup 0
36: ?do
37: dup i - pick .
38: loop
39: drop ;
40:
41: \ DUMP 2may93jaw - 9may93jaw 06jul93py
42: \ looks very nice, I know
43:
44: Variable /dump
45:
46: : .4 ( addr -- addr' )
47: 3 FOR -1 /dump +! /dump @ 0<
48: IF ." " ELSE dup c@ 0 <# # # #> type space THEN
49: char+ NEXT ;
50: : .chars ( addr -- )
51: /dump @ bounds
52: ?DO I c@ dup 7f bl within
53: IF drop [char] . THEN emit
54: LOOP ;
55:
56: : .line ( addr -- )
57: dup .4 space .4 ." - " .4 space .4 drop 10 /dump +! space .chars ;
58:
1.7 ! crook 59: : dump ( addr u -- ) \ tools dump
! 60: \G Display u lines of memory starting at address addr. Each line
! 61: \G displays the contents of 16 bytes. When Gforth is running under
! 62: \G an operating system you may get @file{Invalid memory address} errors
! 63: \G if you attempt to access arbitrary locations.
1.1 anton 64: cr base @ >r hex \ save base on return stack
65: 0 ?DO I' I - 10 min /dump !
66: dup 8 u.r ." : " dup .line cr 10 +
67: 10 +LOOP
68: drop r> base ! ;
69:
70: \ ? 17may93jaw
71:
1.7 ! crook 72: : ? ( a-addr -- ) \ tools question
! 73: \G Display the contents of address a-addr in the current number base.
! 74: @ . ;
1.1 anton 75:
1.2 jwilke 76: \ words visible in roots 14may93py
77:
1.4 anton 78: include ../termsize.fs
1.2 jwilke 79:
80: : words ( -- ) \ tools
1.7 ! crook 81: \G ** this will not get annotated. See other defn in search.fs .. **
1.5 pazsan 82: cr 0 context @ wordlist-id
1.2 jwilke 83: BEGIN
84: @ dup
85: WHILE
1.3 pazsan 86: 2dup name>string nip 2 + dup >r +
1.2 jwilke 87: cols >=
88: IF
89: cr nip 0 swap
90: THEN
1.3 pazsan 91: dup name>string type space r> rot + swap
1.2 jwilke 92: REPEAT
93: 2drop ;
94:
95: ' words alias vlist ( -- ) \ gforth
96: \g Old (pre-Forth-83) name for @code{WORDS}.
1.1 anton 97:
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