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Diff for /gforth/Attic/toolsext.fs between versions 1.5 and 1.9

version 1.5, 1995/01/30 18:47:56 version 1.9, 1997/02/06 21:23:06
Line 1 Line 1
 \ Interpretative Structuren                            16feb92py  \ Interpretative Structuren                            16feb92py
   
   \ Copyright (C) 1995 Free Software Foundation, Inc.
   
   \ This file is part of Gforth.
   
   \ Gforth is free software; you can redistribute it and/or
   \ modify it under the terms of the GNU General Public License
   \ as published by the Free Software Foundation; either version 2
   \ of the License, or (at your option) any later version.
   
   \ This program is distributed in the hope that it will be useful,
   \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   \ GNU General Public License for more details.
   
   \ You should have received a copy of the GNU General Public License
   \ along with this program; if not, write to the Free Software
   \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   
   
 Variable countif  Variable countif
   
 : dummy ;  immediate  : dummy ;  immediate
Line 7  Variable countif Line 26  Variable countif
 : scanIF   f83find  dup 0=  IF  drop ['] dummy >name  THEN  ;  : scanIF   f83find  dup 0=  IF  drop ['] dummy >name  THEN  ;
   
 Create [struct]-search    ' scanIF A,  ' (reveal) A,  ' drop A,  Create [struct]-search    ' scanIF A,  ' (reveal) A,  ' drop A,
 Create [struct]-voc       NIL A,       G [struct]-search T A,  Create [struct]-voc       NIL A,       [struct]-search A,
                           NIL A,       NIL A,                            NIL A,       NIL A,
   
 : ?if  countif @ 0<  : ?if  countif @ 0<
   IF  [ [struct]-voc 3 cells + ] ALiteral @ lookup !  THEN ;    IF  [ [struct]-voc 3 cells + ] ALiteral @ lookup !  THEN ;
   
 UNLOCK Tlast @ NIL Tlast ! LOCK  UNLOCK  Tlast @ NIL Tlast !  LOCK
   \ last @  0 last !
   
 : [IF]      1 countif +! ?if ;       immediate  : [IF]      1 countif +! ?if ;       immediate
 : [THEN]   -1 countif +! ?if ;       immediate  : [THEN]   -1 countif +! ?if ;       immediate
 : [ELSE]   postpone [THEN] r> >exec postpone [IF] ;  : [ELSE]   postpone [THEN] postpone [IF] ;
                                      immediate                                       immediate
 ' [IF]   Alias [IFDEF]               immediate  ' [IF]   Alias [IFDEF]               immediate
 ' [IF]   Alias [IFUNDEF]             immediate  ' [IF]   Alias [IFUNDEF]             immediate
Line 36  UNLOCK Tlast @ NIL Tlast ! LOCK Line 56  UNLOCK Tlast @ NIL Tlast ! LOCK
 ' \ Alias \                          immediate  ' \ Alias \                          immediate
   
 UNLOCK Tlast @ swap Tlast ! LOCK  UNLOCK Tlast @ swap Tlast ! LOCK
 1 cells - G [struct]-voc T !  \ last @ swap last !
   1 cells - [struct]-voc !
   
 \ Interpretative Structuren                            30apr92py  \ Interpretative Structuren                            30apr92py
   
Removed from v.1.5  
changed lines
  Added in v.1.9

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