1: \ source location handling
2:
3: \ Copyright (C) 1995,1997 Free Software Foundation, Inc.
4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: \ related stuff can be found in kernel.fs
22:
23: \ this stuff is used by (at least) assert.fs and debugs.fs
24:
25: : loadfilename#>str ( n -- addr u )
26: included-files 2@ drop swap 2* cells + 2@ ;
27:
28: : str>loadfilename# ( addr u -- n )
29: included-files 2@ 0 ?do ( addr u included-files )
30: i over >r 2* cells + 2@
31: 2over str= if
32: rdrop 2drop i unloop exit
33: endif
34: r> loop
35: drop 2drop 0 ;
36:
37: : compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline )
38: \ compile the current source position as literals: nfile is the
39: \ source file index, nline the line number within the file.
40: loadfilename 2@ str>loadfilename# postpone literal
41: sourceline# postpone literal ;
42:
43: : .sourcepos ( nfile nline -- )
44: \ print source position
45: swap loadfilename#>str type ." :"
46: base @ decimal swap 0 .r base ! ;
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