Annotation of gforth/source.fs, revision 1.17
1.1 anton 1: \ source location handling
2:
1.17 ! anton 3: \ Copyright (C) 1995,1997,2003,2004 Free Software Foundation, Inc.
1.1 anton 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
1.8 anton 19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 20:
1.3 pazsan 21: \ related stuff can be found in kernel.fs
1.1 anton 22:
1.9 anton 23: \ this stuff is used by (at least) assert.fs and debugs.fs
1.1 anton 24:
1.10 anton 25: : loadfilename#>str ( n -- addr u )
1.12 anton 26: included-files 2@ rot min 2* cells + 2@ ;
1.10 anton 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
1.11 anton 35: drop 2drop 0 ;
1.10 anton 36:
1.16 anton 37: : current-sourcepos ( -- nfile nline )
1.15 anton 38: sourcefilename str>loadfilename# sourceline# ;
39:
1.9 anton 40: : compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline )
41: \ compile the current source position as literals: nfile is the
42: \ source file index, nline the line number within the file.
1.15 anton 43: current-sourcepos swap postpone literal postpone literal ;
1.9 anton 44:
45: : .sourcepos ( nfile nline -- )
46: \ print source position
47: swap loadfilename#>str type ." :"
48: base @ decimal swap 0 .r base ! ;
1.15 anton 49:
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