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Annotation of gforth/wordlib.fs, revision 1.1

1.1     ! jwilke      1: \ wordlib.fs Handle shared library with forth primitive extentions 9oct97jaw
        !             2: 
        !             3: \ Copyright (C) 1995,1996,1997,1998 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: \ 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 -- addr | u )
        !            33:     s" catalog" wlib lib-sym dup 0=
        !            34:     ABORT" No word catalog"
        !            35:     icall1 ;
        !            36: 
        !            37: : wl-words ( lib-addr -- )
        !            38:     to wlib 0 
        !            39:     BEGIN dup wl-catalog ?dup
        !            40:     WHILE cell+ count type space
        !            41:          1+
        !            42:     REPEAT drop ;
        !            43: 
        !            44: : wl-create ( adr adr2 len2 -- )
        !            45:     nextname
        !            46:     Create ,
        !            47:     DOES> @ call-c ;
        !            48: 
        !            49: : wl-tovoc ( -- )
        !            50:     0 
        !            51:     BEGIN dup wl-catalog ?dup
        !            52:     WHILE dup @ swap cell+ count wl-create
        !            53:          1+
        !            54:     REPEAT drop ;
        !            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 not found"
        !            66:     dup to wlib ,
        !            67:     wl-tovoc ;