Annotation of gforth/source.fs, revision 1.18
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
1.18 ! anton 9: \ as published by the Free Software Foundation, either version 3
1.1 anton 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
1.18 ! anton 18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1 anton 19:
1.3 pazsan 20: \ related stuff can be found in kernel.fs
1.1 anton 21:
1.9 anton 22: \ this stuff is used by (at least) assert.fs and debugs.fs
1.1 anton 23:
1.10 anton 24: : loadfilename#>str ( n -- addr u )
1.12 anton 25: included-files 2@ rot min 2* cells + 2@ ;
1.10 anton 26:
27: : str>loadfilename# ( addr u -- n )
28: included-files 2@ 0 ?do ( addr u included-files )
29: i over >r 2* cells + 2@
30: 2over str= if
31: rdrop 2drop i unloop exit
32: endif
33: r> loop
1.11 anton 34: drop 2drop 0 ;
1.10 anton 35:
1.16 anton 36: : current-sourcepos ( -- nfile nline )
1.15 anton 37: sourcefilename str>loadfilename# sourceline# ;
38:
1.9 anton 39: : compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline )
40: \ compile the current source position as literals: nfile is the
41: \ source file index, nline the line number within the file.
1.15 anton 42: current-sourcepos swap postpone literal postpone literal ;
1.9 anton 43:
44: : .sourcepos ( nfile nline -- )
45: \ print source position
46: swap loadfilename#>str type ." :"
47: base @ decimal swap 0 .r base ! ;
1.15 anton 48:
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