1: \ wordlib.fs Handle shared library with forth primitive extentions 9oct97jaw
2:
3: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 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: \ Author: Jens Wilke
22: \ Revision Log
23: \ 09oct97jaw V1.0 Initial Version
24:
25: \ ToDo:
26: \
27: \ Bootup initialization
28: \ "require" for libs
29:
30: 0 Value wlib \ temporary library handle to make live easy
31:
32: : wl-catalog ( n lib-addr -- addr | u )
33: s" catalog" rot lib-sym dup 0=
34: ABORT" No word catalog"
35: icall1 ;
36:
37: : wl-words ( lib-addr -- )
38: 0
39: BEGIN 2dup swap wl-catalog ?dup
40: WHILE cell+ count type space
41: 1+
42: REPEAT 2drop ;
43:
44: : wl-create ( adr adr2 len2 -- )
45: nextname
46: Create ,
47: DOES> @ wcall ;
48:
49: : wl-tovoc ( lib-addr -- )
50: 0
51: BEGIN 2dup swap wl-catalog ?dup
52: WHILE dup @ swap cell+ count wl-create
53: 1+
54: REPEAT 2drop ;
55:
56: : (WordLibrary)
57: Create DOES> @ ;
58:
59: : WordLibrary ( "wordname" "libfilename" )
60: (WordLibrary)
61: \ open library with forth path
62: bl word count open-fpath-file throw rot close-file throw
63: \ open library with correct path
64: open-lib
65: dup 0= ABORT" Library load error"
66: dup ,
67: wl-tovoc ;
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