Diff for /gforth/Attic/kernal.fs between versions 1.44 and 1.47

version 1.44, 1995/10/26 22:48:40 version 1.47, 1995/11/09 18:06:20
Line 1 Line 1
 \ KERNAL.FS    GForth kernal                        17dec92py  \ KERNAL.FS    GForth kernal                        17dec92py
 \ $ID:  
   \ 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.
   
 \ Idea and implementation: Bernd Paysan (py)  \ Idea and implementation: Bernd Paysan (py)
 \ Copyright 1992 by the ANSI figForth Development Group  
   
 \ Log:  ', '- usw. durch [char] ... ersetzt  \ Log:  ', '- usw. durch [char] ... ersetzt
 \       man sollte die unterschiedlichen zahlensysteme  \       man sollte die unterschiedlichen zahlensysteme
Line 84  DOES> ( n -- )  + c@ ; Line 101  DOES> ( n -- )  + c@ ;
 : 2,    ( w1 w2 -- ) \ gforth  : 2,    ( w1 w2 -- ) \ gforth
     here 2 cells allot 2! ;      here 2 cells allot 2! ;
   
 : aligned ( addr -- addr' ) \ core  \ : aligned ( addr -- addr' ) \ core
     [ cell 1- ] Literal + [ -1 cells ] Literal and ;  \     [ cell 1- ] Literal + [ -1 cells ] Literal and ;
 : align ( -- ) \ core  : align ( -- ) \ core
     here dup aligned swap ?DO  bl c,  LOOP ;      here dup aligned swap ?DO  bl c,  LOOP ;
   
 : faligned ( addr -- f-addr ) \ float  \ : faligned ( addr -- f-addr ) \ float
     [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;  \     [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;
   
 : falign ( -- ) \ float  : falign ( -- ) \ float
     here dup faligned swap      here dup faligned swap
Line 1363  create nl$ 1 c, A c, 0 c, \ gnu includes Line 1380  create nl$ 1 c, A c, 0 c, \ gnu includes
 \ include-file                                         07apr93py  \ include-file                                         07apr93py
   
 : push-file  ( -- )  r>  : push-file  ( -- )  r>
   loadline @ >r loadfile @ >r    loadline @ >r  loadfile @ >r
   blk @ >r >tib @ >r  #tib @ dup >r  >tib +!  >in @ >r  >r ;    blk @ >r  tibstack @ >r  >tib @ >r  #tib @ >r
     >tib @ tibstack @ = IF  r@ tibstack +!  THEN
     tibstack @ >tib ! >in @ >r  >r ;
   
 : pop-file   ( throw-code -- throw-code )  : pop-file   ( throw-code -- throw-code )
   dup IF    dup IF
Line 1377  create nl$ 1 c, A c, 0 c, \ gnu includes Line 1396  create nl$ 1 c, A c, 0 c, \ gnu includes
          -1 cells +LOOP           -1 cells +LOOP
   THEN    THEN
   r>    r>
   r> >in !  r> #tib !  r> >tib !  r> blk !    r> >in !  r> #tib !  r> >tib !  r> tibstack !  r> blk !
   r> loadfile ! r> loadline !  >r ;    r> loadfile ! r> loadline !  >r ;
   
 : read-loop ( i*x -- j*x )  : read-loop ( i*x -- j*x )
Line 1440  create image-included-files 0 , 0 , ( po Line 1459  create image-included-files 0 , 0 , ( po
 \ included-files points to ALLOCATEd space, while image-included-files  \ included-files points to ALLOCATEd space, while image-included-files
 \ points to ALLOTed objects, so it survives a save-system  \ points to ALLOTed objects, so it survives a save-system
   
   : loadfilename ( -- a-addr )
       \ a-addr 2@ produces the current file name ( c-addr u )
       included-files 2@ drop loadfilename# @ 2* cells + ;
   
 : init-included-files ( -- )  : init-included-files ( -- )
     image-included-files 2@ 2* cells save-string drop ( addr )      image-included-files 2@ 2* cells save-string drop ( addr )
     image-included-files 2@ nip included-files 2! ;      image-included-files 2@ nip included-files 2! ;
Line 1471  create image-included-files 0 , 0 , ( po Line 1494  create image-included-files 0 , 0 , ( po
   
 : included1 ( i*x file-id c-addr u -- j*x ) \ gforth  : included1 ( i*x file-id c-addr u -- j*x ) \ gforth
     \ include the file file-id with the name given by c-addr u      \ include the file file-id with the name given by c-addr u
     loadfilename 2@ >r >r      loadfilename# @ >r
     save-string 2dup loadfilename 2! add-included-file ( file-id )      save-string add-included-file ( file-id )
       included-files 2@ nip 1- loadfilename# !
     ['] include-file catch      ['] include-file catch
     r> r> loadfilename 2!  throw ;      r> loadfilename# !
       throw ;
           
 : included ( i*x addr u -- j*x ) \ file  : included ( i*x addr u -- j*x ) \ file
     open-path-file included1 ;      open-path-file included1 ;
Line 1536  create image-included-files 0 , 0 , ( po Line 1561  create image-included-files 0 , 0 , ( po
 \ EVALUATE                                              17may93jaw  \ EVALUATE                                              17may93jaw
   
 : evaluate ( c-addr len -- ) \ core,block  : evaluate ( c-addr len -- ) \ core,block
   push-file  dup #tib ! >tib @ swap move    push-file  #tib ! >tib !
   >in off blk off loadfile off -1 loadline !    >in off blk off loadfile off -1 loadline !
 \  BEGIN  interpret  >in @ #tib @ u>= UNTIL  
   ['] interpret catch    ['] interpret catch
   pop-file throw ;    pop-file throw ;
   
Line 1636  DEFER DOERROR Line 1660  DEFER DOERROR
         postpone [          postpone [
         ['] 'quit CATCH dup          ['] 'quit CATCH dup
     WHILE      WHILE
         DoError r@ >tib !          DoError r@ >tib ! r@ tibstack !
     REPEAT      REPEAT
     drop r> >tib ! ;      drop r> >tib ! ;
   
Line 1745  Defer 'cold ' noop IS 'cold Line 1769  Defer 'cold ' noop IS 'cold
   
 : boot ( path **argv argc -- )  : boot ( path **argv argc -- )
   argc ! argv ! cstring>sstring pathstring 2!  main-task up!    argc ! argv ! cstring>sstring pathstring 2!  main-task up!
   sp@ dup s0 ! $10 + >tib ! #tib off >in off    sp@ dup s0 ! $10 + dup >tib ! tibstack ! #tib off >in off
   rp@ r0 !  fp@ f0 !  cold ;    rp@ r0 !  fp@ f0 !  cold ;
   
 : bye ( -- ) \ tools-ext  : bye ( -- ) \ tools-ext

Removed from v.1.44  
changed lines
  Added in v.1.47


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