Diff for /gforth/kernel/require.fs between versions 1.25 and 1.39

version 1.25, 2003/01/20 22:16:04 version 1.39, 2012/12/31 15:25:19
Line 1 Line 1
 \ require.fs  \ require.fs
   
 \ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000,2003,2006,2007,2010,2012 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 \ Now: Kernel Module, Reloadable  \ Now: Kernel Module, Reloadable
   
 create included-files 0 , 0 , ( pointer to and count of included files )  create included-files 0 , 0 , ( pointer to and count of included files )
 \ note: these names must not contain a "/" or "\"; otherwise a part of  \ note: these names must not contain a "/" or "\"; otherwise a part of
 \ that name might be used when expanding "./" (see expandtopic).  \ that name might be used when expanding "./" (see expandtopic).
 here ," *somewhere*" dup c@ swap 1 + swap  here ," string.fs" dup c@ swap 1 + swap , A,
 , A, here 2 cells -  here 2 cells -
 create image-included-files 1 , A, ( pointer to and count of included files )  create image-included-files 1 , A, ( pointer to and count of included files )
 \ 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
Line 34  create image-included-files 1 , A, ( poi Line 33  create image-included-files 1 , A, ( poi
     \G source.  The result is valid only while the file is being      \G source.  The result is valid only while the file is being
     \G loaded.  If the current input source is no (stream) file, the      \G loaded.  If the current input source is no (stream) file, the
     \G result is undefined.  In Gforth, the result is valid during the      \G result is undefined.  In Gforth, the result is valid during the
     \G whole seesion (but not across @code{savesystem} etc.).      \G whole session (but not across @code{savesystem} etc.).
     loadfilename 2@ ;      loadfilename 2@ ;
   
 : sourceline# ( -- u ) \ gforth         sourceline-number  : sourceline# ( -- u ) \ gforth         sourceline-number
Line 69  create image-included-files 1 , A, ( poi Line 68  create image-included-files 1 , A, ( poi
 : add-included-file ( c-addr u -- ) \ gforth  : add-included-file ( c-addr u -- ) \ gforth
     \G add name c-addr u to included-files      \G add name c-addr u to included-files
     included-files 2@ 2* cells 2 cells extend-mem      included-files 2@ 2* cells 2 cells extend-mem
     2/ cell / included-files 2!      2/ cell/ included-files 2!
     2! ;      2! ;
   
 has? new-input [IF]  
 : included1 ( i*x file-id c-addr u -- j*x ) \ gforth  
     \G Include the file file-id with the name given by @var{c-addr u}.  
     save-mem 2dup add-included-file ( file-id )  
     ['] include-file2 catch  
     throw ;  
 [ELSE]  
 : included1 ( i*x file-id c-addr u -- j*x ) \ gforth  : included1 ( i*x file-id c-addr u -- j*x ) \ gforth
 \G Include the file file-id with the name given by @var{c-addr u}.  \G Include the file file-id with the name given by @var{c-addr u}.
     loadfilename 2@ 2>r      save-mem 2dup add-included-file
     save-mem 2dup loadfilename 2!      includefilename 2@ 2>r 2dup includefilename 2!
     add-included-file ( file-id )      ['] read-loop execute-parsing-named-file
     ['] include-file2 catch      2r> includefilename 2! ;
     2r> loadfilename 2!  
     throw ;  
 [THEN]  
   
 : included ( i*x c-addr u -- j*x ) \ file  : included ( i*x c-addr u -- j*x ) \ file
     \G @code{include-file} the file whose name is given by the string      \G @code{include-file} the file whose name is given by the string
     \G @var{c-addr u}.      \G @var{c-addr u}.
     open-fpath-file throw included1 ;      open-fpath-file throw included1 ;
   
 : required ( i*x addr u -- j*x ) \ gforth  : required ( i*x addr u -- i*x ) \ gforth
     \G @code{include-file} the file with the name given by @var{addr      \G @code{include-file} the file with the name given by @var{addr
     \G u}, if it is not @code{included} (or @code{required})      \G u}, if it is not @code{included} (or @code{required})
     \G already. Currently this works by comparing the name of the file      \G already. Currently this works by comparing the name of the file
Line 148  has? new-input [IF] Line 137  has? new-input [IF]
   
 : .included ( -- ) \ gforth  : .included ( -- ) \ gforth
     \G list the names of the files that have been @code{included}      \G list the names of the files that have been @code{included}
     included-files 2@ 2 cells under+ 1- .strings ;      included-files 2@ .strings ;

Removed from v.1.25  
changed lines
  Added in v.1.39


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