[BACK]Return to require.fs CVS log [TXT] [DIR] Up to [gforth] / gforth / kernel

Diff for /gforth/kernel/require.fs between versions 1.14 and 1.25

version 1.14, 2000/09/06 20:30:07 version 1.25, 2003/01/20 22:16:04
Line 1 Line 1
 \ require.fs  \ require.fs
   
 \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 16 Line 16
   
 \ 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, write to the Free Software
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  \ 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 )
 here ," \a file/" dup c@ swap 1 + swap  \ note: these names must not contain a "/" or "\"; otherwise a part of
 here ," \a block/" dup c@ swap 1 + swap  \ that name might be used when expanding "./" (see expandtopic).
 here ," \evaluated string/" dup c@ swap 1 + swap  here ," *somewhere*" dup c@ swap 1 + swap
 here ," \the terminal/" dup c@ swap 1 + swap  , A, here 2 cells -
 , A, , A, , A, , A, here 8 cells -  create image-included-files 1 , A, ( pointer to and count of included files )
 create image-included-files 4 , 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 36  create image-included-files 4 , A, ( poi Line 35  create image-included-files 4 , A, ( poi
     \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 seesion (but not across @code{savesystem} etc.).
     loadfilename# @ loadfilename#>str ;      loadfilename 2@ ;
   
 : sourceline# ( -- u ) \ gforth         sourceline-number  : sourceline# ( -- u ) \ gforth         sourceline-number
     \G The line number of the line that is currently being interpreted      \G The line number of the line that is currently being interpreted
Line 58  create image-included-files 4 , A, ( poi Line 57  create image-included-files 4 , A, ( poi
     \G @file{./foo.fs}      \G @file{./foo.fs}
     included-files 2@ 0      included-files 2@ 0
     ?do ( c-addr u addr )      ?do ( c-addr u addr )
         dup >r 2@ 2over compare 0=          dup >r 2@ 2over str=
         if          if
             2drop rdrop unloop              2drop rdrop unloop
             true EXIT              true EXIT
Line 73  create image-included-files 4 , A, ( poi Line 72  create image-included-files 4 , A, ( poi
     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  : 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# @ >r      save-mem 2dup add-included-file ( file-id )
     save-mem add-included-file ( file-id )  
     included-files 2@ nip 1- loadfilename# !  
     ['] include-file2 catch      ['] include-file2 catch
     r> loadfilename# !  
     throw ;      throw ;
       [ELSE]
   : 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}.
       loadfilename 2@ 2>r
       save-mem 2dup loadfilename 2!
       add-included-file ( file-id )
       ['] include-file2 catch
       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}.
Line 133  create image-included-files 4 , A, ( poi Line 140  create image-included-files 4 , A, ( poi
 \   REPEAT  \   REPEAT
 \   drop ;  \   drop ;
   
 \ : loadfilename#>str ( n -- adr len )  
 \ \ this converts the filenumber into the string  
 \   loadfilenamecount @ swap -  
 \   needs^ @  
 \   swap 0 ?DO dup 0= IF LEAVE THEN @ LOOP   
 \   dup IF cell+ count ELSE drop s" NOT FOUND" THEN ;  
   
 : loadfilename#>str ( n -- adr len )  
     included-files 2@ drop swap 2* cells + 2@ ;  
   
 : .strings ( addr u -- ) \ gforth  : .strings ( addr u -- ) \ gforth
     \G list the strings from an array of string descriptors at addr      \G list the strings from an array of string descriptors at addr
     \G with u entries, one per line.      \G with u entries, one per line.
Line 151  create image-included-files 4 , A, ( poi Line 148  create image-included-files 4 , A, ( poi
   
 : .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@ .strings ;      included-files 2@ 2 cells under+ 1- .strings ;
       
 \ contains tools/newrequire.fs  
 \ \I $Id$  
   
Removed from v.1.14  
changed lines
  Added in v.1.25

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>