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| 1 : | anton | 1.1 | \ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
| 2 : | |||
| 3 : | \ May be cross-compiled | ||
| 4 : | |||
| 5 : | decimal | ||
| 6 : | |||
| 7 : | \ .( 12may93jaw | ||
| 8 : | |||
| 9 : | : .( [char] ) parse type ; | ||
| 10 : | |||
| 11 : | \ VALUE 2>R 2R> 2R@ 17may93jaw | ||
| 12 : | |||
| 13 : | : value ( n -- ) (constant) , ; | ||
| 14 : | |||
| 15 : | : 2>r postpone >r postpone >r ; immediate restrict | ||
| 16 : | : 2r> postpone r> postpone r> ; immediate restrict | ||
| 17 : | : 2r@ postpone 2r> postpone 2dup postpone 2>r ; immediate restrict | ||
| 18 : | |||
| 19 : | \ CASE OF ENDOF ENDCASE 17may93jaw | ||
| 20 : | |||
| 21 : | \ just as described in dpANS5 | ||
| 22 : | |||
| 23 : | 0 CONSTANT case immediate | ||
| 24 : | |||
| 25 : | : of | ||
| 26 : | 1+ >r | ||
| 27 : | postpone over postpone = postpone if postpone drop | ||
| 28 : | r> ; immediate | ||
| 29 : | |||
| 30 : | : endof | ||
| 31 : | >r postpone else r> ; immediate | ||
| 32 : | |||
| 33 : | : endcase | ||
| 34 : | postpone drop | ||
| 35 : | 0 ?do postpone then loop ; immediate | ||
| 36 : | |||
| 37 : | \ C" 17may93jaw | ||
| 38 : | |||
| 39 : | : (c") "lit ; | ||
| 40 : | |||
| 41 : | : CLiteral postpone (c") here over char+ allot place align ; | ||
| 42 : | immediate restrict | ||
| 43 : | : C" [char] " parse postpone CLiteral ; immediate restrict | ||
| 44 : | |||
| 45 : | \ UNUSED 17may93jaw | ||
| 46 : | |||
| 47 : | : unused forthstart dup @ over 2 cells + @ - | ||
| 48 : | 512 - \ for stack | ||
| 49 : | + here - ; | ||
| 50 : | |||
| 51 : | \ [COMPILE] 17may93jaw | ||
| 52 : | |||
| 53 : | : [compile] | ||
| 54 : | ' compile, ; immediate | ||
| 55 : | |||
| 56 : | \ MARKER 17may93jaw | ||
| 57 : | |||
| 58 : | \ : marker here last @ create , , DOES> dup @ last ! cell+ @ dp ! ; | ||
| 59 : | \ doesn't work now. vocabularies? | ||
| 60 : | |||
| 61 : | \ CONVERT 17may93jaw | ||
| 62 : | |||
| 63 : | : convert true >number drop ; | ||
| 64 : | |||
| 65 : | \ ERASE 17may93jaw | ||
| 66 : | |||
| 67 : | : erase 0 1 chars um/mod nip 0 fill ; | ||
| 68 : | |||
| 69 : | \ ROLL 17may93jaw | ||
| 70 : | |||
| 71 : | : roll dup 1+ pick >r | ||
| 72 : | cells sp@ 2 cells + dup cell+ rot move drop r> ; | ||
| 73 : | |||
| 74 : | \ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw | ||
| 75 : | |||
| 76 : | : source-id ( -- 0 | -1 | fileid ) | ||
| 77 : | loadfile @ dup 0= IF drop linestart @ THEN ; | ||
| 78 : | |||
| 79 : | : save-input ( -- x1 .. xn n ) | ||
| 80 : | >in @ | ||
| 81 : | loadfile @ ?dup | ||
| 82 : | IF linestart 2@ loadline @ 6 | ||
| 83 : | ELSE loadline @ blk @ linestart @ 5 THEN | ||
| 84 : | >tib @ swap ; \ >tib for security | ||
| 85 : | |||
| 86 : | : restore-input ( x1 .. xn n -- flag ) | ||
| 87 : | 1- swap >tib @ <> IF discard true EXIT THEN | ||
| 88 : | 5 = IF loadline ! 2dup linestart 2! rot dup loadfile ! | ||
| 89 : | reposition-file IF drop true EXIT THEN | ||
| 90 : | refill 0= IF drop true EXIT THEN | ||
| 91 : | ELSE linestart ! blk ! | ||
| 92 : | dup loadline @ <> IF 2drop true EXIT THEN | ||
| 93 : | loadline ! | ||
| 94 : | THEN | ||
| 95 : | >in ! false ; | ||
| 96 : | |||
| 97 : | |||
| 98 : | |||
| 99 : | \ This things we don't need, but for being complete... jaw | ||
| 100 : | |||
| 101 : | \ EXPECT SPAN 17may93jaw | ||
| 102 : | |||
| 103 : | variable span | ||
| 104 : | |||
| 105 : | : expect ( c-addr +len -- ) | ||
| 106 : | 0 rot over | ||
| 107 : | BEGIN key decode >r 2over = r> or UNTIL | ||
| 108 : | 2drop nip span ! ; | ||
| 109 : |
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