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| 1 : | anton | 1.1 | \ source location handling |
| 2 : | |||
| 3 : | anton | 1.21 | \ Copyright (C) 1995,1997,2003,2004,2007,2009 Free Software Foundation, Inc. |
| 4 : | anton | 1.1 | |
| 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 : | anton | 1.18 | \ as published by the Free Software Foundation, either version 3 |
| 10 : | anton | 1.1 | \ 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 : | anton | 1.18 | \ along with this program. If not, see http://www.gnu.org/licenses/. |
| 19 : | anton | 1.1 | |
| 20 : | pazsan | 1.3 | \ related stuff can be found in kernel.fs |
| 21 : | anton | 1.1 | |
| 22 : | anton | 1.9 | \ this stuff is used by (at least) assert.fs and debugs.fs |
| 23 : | anton | 1.1 | |
| 24 : | anton | 1.10 | : loadfilename#>str ( n -- addr u ) |
| 25 : | anton | 1.12 | included-files 2@ rot min 2* cells + 2@ ; |
| 26 : | anton | 1.10 | |
| 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 | ||
| 34 : | anton | 1.11 | drop 2drop 0 ; |
| 35 : | anton | 1.10 | |
| 36 : | anton | 1.20 | \ we encode line and character in one cell to keep the interface the same |
| 37 : | : encode-pos ( nline nchar -- npos ) | ||
| 38 : | $ff min swap 8 lshift + ; | ||
| 39 : | anton | 1.15 | |
| 40 : | anton | 1.20 | : decode-pos ( npos -- nline nchar ) |
| 41 : | dup 8 rshift swap $ff and ; | ||
| 42 : | |||
| 43 : | : current-sourcepos ( -- nfile npos ) | ||
| 44 : | sourcefilename str>loadfilename# sourceline# >in @ encode-pos ; | ||
| 45 : | |||
| 46 : | : compile-sourcepos ( compile-time: -- ; run-time: -- nfile npos ) | ||
| 47 : | anton | 1.9 | \ compile the current source position as literals: nfile is the |
| 48 : | \ source file index, nline the line number within the file. | ||
| 49 : | anton | 1.20 | current-sourcepos |
| 50 : | swap postpone literal | ||
| 51 : | postpone literal ; | ||
| 52 : | anton | 1.9 | |
| 53 : | anton | 1.20 | : .sourcepos ( nfile npos -- ) |
| 54 : | anton | 1.9 | \ print source position |
| 55 : | anton | 1.20 | swap loadfilename#>str type ': emit |
| 56 : | base @ decimal | ||
| 57 : | swap decode-pos swap 0 .r ': emit 0 .r | ||
| 58 : | base ! ; | ||
| 59 : | |||
| 60 : | anton | 1.15 |
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