Diff for /gforth/source.fs between versions 1.7 and 1.13

version 1.7, 1998/12/08 22:02:51 version 1.13, 2003/01/22 10:59:54
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.
   
   
 \ related stuff can be found in kernel.fs  \ related stuff can be found in kernel.fs
   
 \ this stuff is used by (at least) assert.fs and debugging.fs  \ this stuff is used by (at least) assert.fs and debugs.fs
   
 require struct.fs  : loadfilename#>str ( n -- addr u )
       included-files 2@ rot min 2* cells + 2@ ;
   
 struct  : str>loadfilename# ( addr u -- n )
     cell% field sourcepos-name#      included-files 2@ 0 ?do ( addr u included-files )
     cell% field sourcepos-line#          i over >r 2* cells + 2@
 end-struct sourcepos          2over str= if
                   rdrop 2drop i unloop exit
 : sourcepos, ( -- )          endif
     \ record the current source position HERE          r> loop
     loadfilename# @ , sourceline# , ;      drop 2drop 0 ;
   
 : get-sourcepos ( a-addr -- c-addr u n )  : compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline )
     \ c-addr u is the filename, n is the line number      \ compile the current source position as literals: nfile is the
     dup sourcepos-name# @ loadfilename#>str      \ source file index, nline the line number within the file.
     rot sourcepos-line# @ ;      sourcefilename str>loadfilename# postpone literal
       sourceline# postpone literal ;
 : print-sourcepos ( a-addr -- )  
     get-sourcepos  : .sourcepos ( nfile nline -- )
     >r type ." :"      \ print source position
     base @ decimal r> 0 .r base ! ;      swap loadfilename#>str type ." :"
       base @ decimal swap 0 .r base ! ;

Removed from v.1.7  
changed lines
  Added in v.1.13


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