Diff for /gforth/source.fs between versions 1.4 and 1.15

version 1.4, 1997/03/04 17:49:55 version 1.15, 2004/05/14 17:09:22
Line 1 Line 1
 \ source location handling  \ source location handling
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,1997,2003 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.
   
   
 \ 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
   
   : loadfilename#>str ( n -- addr u )
       included-files 2@ rot min 2* cells + 2@ ;
   
 require struct.fs  : str>loadfilename# ( addr u -- n )
       included-files 2@ 0 ?do ( addr u included-files )
           i over >r 2* cells + 2@
           2over str= if
               rdrop 2drop i unloop exit
           endif
           r> loop
       drop 2drop 0 ;
   
   : current-sourcepos ( -- )
       sourcefilename  str>loadfilename# sourceline# ;
   
   : compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline )
       \ compile the current source position as literals: nfile is the
       \ source file index, nline the line number within the file.
       current-sourcepos swap postpone literal postpone literal ;
   
   : .sourcepos ( nfile nline -- )
       \ print source position
       swap loadfilename#>str type ." :"
       base @ decimal swap 0 .r base ! ;
   
 struct  
     1 cells: field sourcepos-name#  
     1 cells: field sourcepos-line#  
 end-struct sourcepos  
       
 : sourcepos, ( -- )  
     \ record the current source position HERE  
     loadfilename# @ , sourceline# , ;  
   
 : get-sourcepos ( a-addr -- c-addr u n )  
     \ c-addr u is the filename, n is the line number  
     included-files 2@ drop over sourcepos-name# @ 2* cells + 2@  
     rot sourcepos-line# @ ;  
   
 : print-sourcepos ( a-addr -- )  
     get-sourcepos  
     >r type ." :"  
     base @ decimal r> 0 .r base ! ;  

Removed from v.1.4  
changed lines
  Added in v.1.15


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