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| 1 : | anton | 1.1 | \ File specifiers 11jun93jaw |
| 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., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 20 : | |||
| 21 : | 4 Constant w/o ( -- fam ) \ file w-o | ||
| 22 : | 2 Constant r/w ( -- fam ) \ file r-w | ||
| 23 : | 0 Constant r/o ( -- fam ) \ file r-o | ||
| 24 : | |||
| 25 : | : bin ( fam1 -- fam2 ) \ file | ||
| 26 : | 1 or ; | ||
| 27 : | |||
| 28 : | \ BIN WRITE-LINE 11jun93jaw | ||
| 29 : | |||
| 30 : | : write-line ( c-addr u fileid -- ior ) \ file | ||
| 31 : | dup >r write-file | ||
| 32 : | ?dup IF | ||
| 33 : | r> drop EXIT | ||
| 34 : | THEN | ||
| 35 : | #lf r> emit-file ; | ||
| 36 : | |||
| 37 : | \ include-file 07apr93py | ||
| 38 : | |||
| 39 : | : push-file ( -- ) r> | ||
| 40 : | sourceline# >r loadfile @ >r | ||
| 41 : | blk @ >r tibstack @ >r >tib @ >r #tib @ >r | ||
| 42 : | >tib @ tibstack @ = IF r@ tibstack +! THEN | ||
| 43 : | tibstack @ >tib ! >in @ >r >r ; | ||
| 44 : | |||
| 45 : | : pop-file ( throw-code -- throw-code ) | ||
| 46 : | dup IF | ||
| 47 : | source >in @ sourceline# sourcefilename | ||
| 48 : | error-stack dup @ dup 1+ | ||
| 49 : | max-errors 1- min error-stack ! | ||
| 50 : | 6 * cells + cell+ | ||
| 51 : | 5 cells bounds swap DO | ||
| 52 : | I ! | ||
| 53 : | -1 cells +LOOP | ||
| 54 : | THEN | ||
| 55 : | r> | ||
| 56 : | r> >in ! r> #tib ! r> >tib ! r> tibstack ! r> blk ! | ||
| 57 : | r> loadfile ! r> loadline ! >r ; | ||
| 58 : | |||
| 59 : | : read-loop ( i*x -- j*x ) | ||
| 60 : | BEGIN refill WHILE interpret REPEAT ; | ||
| 61 : | |||
| 62 : | : include-file ( i*x fid -- j*x ) \ file | ||
| 63 : | push-file loadfile ! | ||
| 64 : | 0 loadline ! blk off ['] read-loop catch | ||
| 65 : | loadfile @ close-file swap 2dup or | ||
| 66 : | pop-file drop throw throw ; | ||
| 67 : | |||
| 68 : | \ additional words only needed if there is file support | ||
| 69 : | |||
| 70 : | : ( ( compilation 'ccc<close-paren>' -- ; run-time -- ) \ core,file paren | ||
| 71 : | loadfile @ 0= IF postpone ( EXIT THEN | ||
| 72 : | BEGIN | ||
| 73 : | >in @ | ||
| 74 : | [char] ) parse nip | ||
| 75 : | >in @ rot - = \ is there no delimter? | ||
| 76 : | WHILE | ||
| 77 : | refill 0= | ||
| 78 : | IF | ||
| 79 : | warnings @ | ||
| 80 : | IF | ||
| 81 : | ." warning: ')' missing" cr | ||
| 82 : | THEN | ||
| 83 : | EXIT | ||
| 84 : | THEN | ||
| 85 : | REPEAT ; immediate | ||
| 86 : |
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