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Diff for /gforth/source.fs between versions 1.5 and 1.19

version 1.5, 1997/05/21 20:39:40 version 1.19, 2007/12/31 19:02:24
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 \ source location handling  \ source location handling
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,1997,2003,2004,2007 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,
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 \ 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., 675 Mass Ave, Cambridge, MA 02139, 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 ( -- nfile nline )
       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  
     dup sourcepos-name# @ loadfilename#>str  
     rot sourcepos-line# @ ;  
   
 : print-sourcepos ( a-addr -- )  
     get-sourcepos  
     >r type ." :"  
     base @ decimal r> 0 .r base ! ;  
Removed from v.1.5  
changed lines
  Added in v.1.19

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