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Diff for /gforth/kernel/require.fs between versions 1.7 and 1.11

version 1.7, 1999/04/16 22:19:54 version 1.11, 2000/08/17 12:46:59
Line 21 Line 21
 \ 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 ," ./the terminal" dup c@ swap 1 + swap , A, here 2 cells -  \ here ," ./the terminal" dup c@ swap 1 + swap , A, here 2 cells -
   \ ./ is confusing for the search path stuff! There should be never a .
   \ in sourcefilename....
   here ," #terminal#" dup c@ swap 1 + swap , A, 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
   
 : loadfilename ( -- a-addr )  : loadfilename ( -- a-addr ) \ gforth-internal
     \G a-addr 2@ produces the current file name ( c-addr u )      \G @i{a-addr} @code{2@@} produces the current file name ( @i{c-addr u} )
     included-files 2@ loadfilename# @ min 2* cells + ;      included-files 2@ loadfilename# @ min 2* cells + ;
   
 : sourcefilename ( -- c-addr u ) \ gforth  : sourcefilename ( -- c-addr u ) \ gforth
     \G The name of the source file which is currently the input      \G The name of the source file which is currently the input
     \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.      \G result is undefined.  In Gforth, the result is valid during the
       \G whole seesion (but not across @code{savesystem} etc.).
     loadfilename 2@ ;      loadfilename 2@ ;
   
 : sourceline# ( -- u ) \ gforth         sourceline-number  : sourceline# ( -- u ) \ gforth         sourceline-number
Line 44  create image-included-files  1 , A, ( po Line 48  create image-included-files  1 , A, ( po
     \G undefined.      \G undefined.
     loadline @ ;      loadline @ ;
   
 : init-included-files ( -- ) \ gforth  : init-included-files ( -- ) \ gforth-internal
     \G Clear the list of earlier included files.  
     image-included-files 2@ 2* cells save-mem drop ( addr )      image-included-files 2@ 2* cells save-mem drop ( addr )
     image-included-files 2@ nip included-files 2! ;      image-included-files 2@ nip included-files 2! ;
   
 : included? ( c-addr u -- f ) \ gforth  : included? ( c-addr u -- f ) \ gforth
     \G True only if the file @var{c-addr u} is in the list of earlier      \G True only if the file @var{c-addr u} is in the list of earlier
     \G included files. If the file has been loaded, it may have been      \G included files. If the file has been loaded, it may have been
     \G specified as, say, foo.fs and found somewhere on the Forth      \G specified as, say, @file{foo.fs} and found somewhere on the
     \G search path. To return true from @code{included?}, you must      \G Forth search path. To return @code{true} from @code{included?},
     \G specify the exact path to the file, even if that is      \G you must specify the exact path to the file, even if that is
     \G @code{./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 compare 0=
Line 121  create image-included-files  1 , A, ( po Line 124  create image-included-files  1 , A, ( po
   string,    string,
   needsrcs^ @ ! ;    needsrcs^ @ ! ;
   
 : .modules  : .included ( -- ) \ gforth
       \G list the names of the files that have been @code{included}
   cr    cr
   needs^ @    needs^ @
   BEGIN         dup     BEGIN         dup 
Line 144  create image-included-files  1 , A, ( po Line 148  create image-included-files  1 , A, ( po
 : loadfilename#>str ( n -- adr len )  : loadfilename#>str ( n -- adr len )
     included-files 2@ drop swap 2* cells + 2@ ;      included-files 2@ drop swap 2* cells + 2@ ;
   
 : .modules  : .included ( -- ) \ gforth
       \G list the names of the files that have been @code{included}
     included-files 2@ 2* cells bounds ?DO      included-files 2@ 2* cells bounds ?DO
         cr I 2@ type  2 cells +LOOP ;            cr I 2@ type  2 cells +LOOP ;  
   
Removed from v.1.7  
changed lines
  Added in v.1.11

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