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Diff for /gforth/stuff.fs between versions 1.52 and 1.58

version 1.52, 2006/12/28 14:52:20 version 1.58, 2008/11/08 15:54:06
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 \ miscelleneous words  \ miscelleneous words
   
 \ Copyright (C) 1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc.  \ Copyright (C) 1996,1997,1998,2000,2003,2004,2005,2006,2007 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 require glocals.fs  require glocals.fs
   
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 \ safe output redirection  \ safe output redirection
   
 : to-outfile-id ( file-id -- )  : outfile-execute ( ... xt file-id -- ... ) \ gforth
     to outfile-id ;      \G execute @i{xt} with the output of @code{type} etc. redirected to
       \G @i{file-id}.
       outfile-id { oldfid } try
           to outfile-id execute 0
       restore
           oldfid to outfile-id
       endtry
       throw ;
   
   : infile-execute ( ... xt file-id -- ... ) \ gforth
       \G execute @i{xt} with the input of @code{key} etc. redirected to
       \G @i{file-id}.
       infile-id { oldfid } try
           to infile-id execute 0
       restore
           oldfid to infile-id
       endtry
       throw ;
   
   \ safe BASE wrapper
   
   : base-execute ( i*x xt u -- j*x ) \ gforth
       \G execute @i{xt} with the content of @code{BASE} being @i{u}, and
       \G restoring the original @code{BASE} afterwards.
       base @ { oldbase } \ use local, because TRY blocks the return stack
       try
           base ! execute 0
       restore
           oldbase base !
       endtry
       throw ;
   
 : >outfile ( file-id -- r:old-file-id )  \ th
     ]] outfile-id >r try to-outfile-id [[ ; immediate compile-only  
   
 : outfile< ( r:old-file-id -- )  : th ( addr1 u -- addr2 )
     0 ]] literal recover endtry r> to-outfile-id throw [[      cells + ;
 ; immediate compile-only  
   
 : to-infile-id ( file-id -- )  
     to infile-id ;  
   
 : >infile ( file-id -- r:old-file-id )  
     ]] infile-id >r try to-infile-id [[ ; immediate compile-only  
   
 : infile< ( r:old-file-id -- )  
     0 ]] literal recover endtry r> to-infile-id throw [[  
 ; immediate compile-only  
Removed from v.1.52  
changed lines
  Added in v.1.58

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