| \ source location handling |
\ source location handling |
| |
|
| \ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1997 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| |
|
| \ 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 kernal.fs |
\ this stuff is used by (at least) assert.fs and debugs.fs |
| |
|
| \ this stuff is used by (at least) assert.fs and debugging.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 ) |
| struct |
i over >r 2* cells + 2@ |
| 1 cells: field sourcepos-name# |
2over str= if |
| 1 cells: field sourcepos-line# |
rdrop 2drop i unloop exit |
| end-struct sourcepos |
endif |
| |
r> loop |
| : sourcepos, ( -- ) |
drop 2drop 0 ; |
| \ record the current source position HERE |
|
| loadfilename# @ , sourceline# , ; |
: compile-sourcepos ( compile-time: -- ; run-time: -- nfile nline ) |
| |
\ compile the current source position as literals: nfile is the |
| : get-sourcepos ( a-addr -- c-addr u n ) |
\ source file index, nline the line number within the file. |
| \ c-addr u is the filename, n is the line number |
sourcefilename str>loadfilename# postpone literal |
| included-files 2@ drop over sourcepos-name# @ 2* cells + 2@ |
sourceline# postpone literal ; |
| rot sourcepos-line# @ ; |
|
| |
: .sourcepos ( nfile nline -- ) |
| : print-sourcepos ( a-addr -- ) |
\ print source position |
| get-sourcepos |
swap loadfilename#>str type ." :" |
| >r type ." :" r> 0 .r ; |
base @ decimal swap 0 .r base ! ; |
