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Diff for /gforth/kernel/files.fs between versions 1.1 and 1.28

version 1.1, 1997/05/21 20:40:14 version 1.28, 2012/12/31 15:25:19
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 \ File specifiers                                       11jun93jaw  \ File specifiers                                       11jun93jaw
   
 \ Copyright (C) 1995-1997 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2012 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 4 Constant w/o ( -- fam ) \ file        w-o  4 Constant w/o ( -- fam ) \ file        w-o
 2 Constant r/w ( -- fam ) \ file        r-w  2 Constant r/w ( -- fam ) \ file        r-w
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 \ BIN WRITE-LINE                                        11jun93jaw  \ BIN WRITE-LINE                                        11jun93jaw
   
 : write-line ( c-addr u fileid -- ior ) \ file  : write-line ( c-addr u wfileid -- ior ) \ file
     dup >r write-file      dup >r write-file
     ?dup IF      ?dup IF
         r> drop EXIT          r> drop EXIT
     THEN      THEN
     #lf r> emit-file ;      newline r> write-file ;
   
 \ include-file                                         07apr93py  \ include-file                                         07apr93py
   
   has? new-input 0= [IF]
   : loadfilename>r ( addr1 u1 -- R: addr2 u2 )
       r> loadfilename 2@ 2>r >r
       loadfilename 2! ;
   
   : r>loadfilename ( R: addr u -- )
       r> 2r> loadfilename 2! >r ;
   
 : push-file  ( -- )  r>  : push-file  ( -- )  r>
   sourceline# >r  loadfile @ >r      #fill-bytes @ >r
   blk @ >r  tibstack @ >r  >tib @ >r  #tib @ >r      loadline @    >r
   >tib @ tibstack @ = IF  r@ tibstack +!  THEN      loadfile @    >r
   tibstack @ >tib ! >in @ >r  >r ;      blk @         >r
       tibstack @    >r
       >tib @        >r
       #tib @        >r
       >in @         >r  >r
       >tib @ tibstack @ = IF  #tib @ tibstack +!  THEN
       tibstack @ >tib ! ;
   
 : pop-file   ( throw-code -- throw-code )  : pop-file   ( throw-code -- throw-code )
   dup IF    dup IF
          source >in @ sourceline# sourcefilename        input-error-data >error
          error-stack dup @ dup 1+  
          max-errors 1- min error-stack !  
          6 * cells + cell+  
          5 cells bounds swap DO  
                             I !  
          -1 cells +LOOP  
   THEN    THEN
   r>    r>
   r> >in !  r> #tib !  r> >tib !  r> tibstack !  r> blk !    r> >in         !
   r> loadfile ! r> loadline !  >r ;    r> #tib        !
     r> >tib        !
     r> tibstack    !
     r> blk         !
     r> loadfile    !
     r> loadline    !
     r> #fill-bytes !  >r ;
   
 : read-loop ( i*x -- j*x )  : read-loop ( i*x -- j*x )
   BEGIN  refill  WHILE  interpret  REPEAT ;    BEGIN  refill  WHILE  interpret  REPEAT ;
   
 : include-file ( i*x fid -- j*x ) \ file  : include-file1 ( i*x wfileid -- j*x ior1 ior2 )
   push-file  loadfile !      \G Interpret (process using the text interpreter) the contents of
   0 loadline ! blk off  ['] read-loop catch      \G the file @var{wfileid}.
   loadfile @ close-file swap 2dup or      push-file  loadfile !
   pop-file  drop throw throw ;      0 loadline ! blk off  ['] read-loop catch
       loadfile @ close-file swap 2dup or
       pop-file  drop ;
   
   : include-file2 ( i*x wfileid -- j*x )
       \ like include-file, but does not update loadfile#
       include-file1 throw throw ;
   
   : include-file ( i*x wfileid -- j*x ) \ file
       s" *a file*" loadfilename>r
       include-file1
       r>loadfilename
       throw throw ;
   [THEN]
       
 \ additional words only needed if there is file support  \ additional words only needed if there is file support
   
   Redefinitions-start
   
 : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file     paren  : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file     paren
     loadfile @ 0= IF  postpone (  EXIT  THEN      loadfile @ 0= IF  postpone (  EXIT  THEN
     BEGIN      BEGIN
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         THEN          THEN
     REPEAT ; immediate      REPEAT ; immediate
   
   Redefinitions-end
Removed from v.1.1  
changed lines
  Added in v.1.28

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