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| 1 : | anton | 1.1 | \ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
| 2 : | |||
| 3 : | anton | 1.12 | \ Copyright (C) 1995 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 : | |||
| 22 : | anton | 1.1 | \ May be cross-compiled |
| 23 : | |||
| 24 : | decimal | ||
| 25 : | |||
| 26 : | \ .( 12may93jaw | ||
| 27 : | |||
| 28 : | anton | 1.11 | : .( ( compilation "...<paren>" -- ) \ core-ext dot-paren |
| 29 : | anton | 1.8 | [char] ) parse type ; immediate |
| 30 : | anton | 1.1 | |
| 31 : | \ VALUE 2>R 2R> 2R@ 17may93jaw | ||
| 32 : | |||
| 33 : | anton | 1.18 | : value ( w "name" -- ) \ core-ext |
| 34 : | anton | 1.3 | (constant) , ; |
| 35 : | \ !! 2value | ||
| 36 : | anton | 1.1 | |
| 37 : | anton | 1.11 | : 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
| 38 : | swap postpone Literal postpone Literal ; immediate restrict | ||
| 39 : | pazsan | 1.2 | |
| 40 : | anton | 1.16 | ' drop alias d>s ( d -- n ) \ double d_to_s |
| 41 : | |||
| 42 : | anton | 1.11 | : m*/ ( d1 n2 u3 -- dqout ) \ double m-star-slash |
| 43 : | >r s>d >r abs -rot | ||
| 44 : | s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um* | ||
| 45 : | swap >r 0 d+ r> -rot r@ um/mod -rot r> um/mod nip swap | ||
| 46 : | r> IF dnegate THEN ; | ||
| 47 : | pazsan | 1.4 | |
| 48 : | anton | 1.1 | \ CASE OF ENDOF ENDCASE 17may93jaw |
| 49 : | |||
| 50 : | \ just as described in dpANS5 | ||
| 51 : | |||
| 52 : | anton | 1.11 | 0 CONSTANT case ( compilation -- case-sys ; run-time -- ) \ core-ext |
| 53 : | immediate | ||
| 54 : | anton | 1.1 | |
| 55 : | anton | 1.11 | : of ( compilation -- of-sys ; run-time x1 x2 -- |x1 ) \ core-ext |
| 56 : | \ !! the implementation does not match the stack effect | ||
| 57 : | 1+ >r | ||
| 58 : | postpone over postpone = postpone if postpone drop | ||
| 59 : | r> ; immediate | ||
| 60 : | |||
| 61 : | : endof ( compilation case-sys1 of-sys -- case-sys2 ; run-time -- ) \ core-ext end-of | ||
| 62 : | >r postpone else r> ; immediate | ||
| 63 : | |||
| 64 : | : endcase ( compilation case-sys -- ; run-time x -- ) \ core-ext end-case | ||
| 65 : | postpone drop | ||
| 66 : | 0 ?do postpone then loop ; immediate | ||
| 67 : | anton | 1.1 | |
| 68 : | \ C" 17may93jaw | ||
| 69 : | |||
| 70 : | : (c") "lit ; | ||
| 71 : | |||
| 72 : | anton | 1.11 | : CLiteral |
| 73 : | postpone (c") here over char+ allot place align ; immediate restrict | ||
| 74 : | |||
| 75 : | : C" ( compilation "...<quote>" -- ; run-time -- c-addr ) \ core-ext c-quote | ||
| 76 : | [char] " parse postpone CLiteral ; immediate restrict | ||
| 77 : | anton | 1.1 | |
| 78 : | \ UNUSED 17may93jaw | ||
| 79 : | |||
| 80 : | anton | 1.11 | : unused ( -- u ) \ core-ext |
| 81 : | anton | 1.19 | forthstart dup 3 cells + @ + here - ; |
| 82 : | anton | 1.1 | |
| 83 : | \ [COMPILE] 17may93jaw | ||
| 84 : | |||
| 85 : | anton | 1.11 | : [compile] ( compilation "name" -- ; run-time ? -- ? ) \ core-ext bracket-compile |
| 86 : | ' compile, ; immediate | ||
| 87 : | anton | 1.1 | |
| 88 : | \ MARKER 17may93jaw | ||
| 89 : | |||
| 90 : | \ : marker here last @ create , , DOES> dup @ last ! cell+ @ dp ! ; | ||
| 91 : | \ doesn't work now. vocabularies? | ||
| 92 : | |||
| 93 : | \ CONVERT 17may93jaw | ||
| 94 : | |||
| 95 : | anton | 1.11 | : convert ( ud1 c-addr1 -- ud2 c-addr2 ) \ core-ext |
| 96 : | anton | 1.19 | \ obsolescent; superseded by @code{>number}. |
| 97 : | anton | 1.11 | true >number drop ; |
| 98 : | anton | 1.1 | |
| 99 : | \ ERASE 17may93jaw | ||
| 100 : | |||
| 101 : | anton | 1.11 | : erase ( addr len -- ) \ core-ext |
| 102 : | \ !! dependence on "1 chars 1 =" | ||
| 103 : | ( 0 1 chars um/mod nip ) 0 fill ; | ||
| 104 : | : blank ( addr len -- ) \ string | ||
| 105 : | bl fill ; | ||
| 106 : | anton | 1.1 | |
| 107 : | pazsan | 1.7 | \ SEARCH 02sep94py |
| 108 : | |||
| 109 : | anton | 1.11 | : search ( buf buflen text textlen -- restbuf restlen flag ) \ string |
| 110 : | 2over 2 pick - 1+ 3 pick c@ >r | ||
| 111 : | BEGIN | ||
| 112 : | r@ scan dup | ||
| 113 : | WHILE | ||
| 114 : | >r >r 2dup r@ -text | ||
| 115 : | 0= | ||
| 116 : | IF | ||
| 117 : | >r drop 2drop r> r> r> rot + 1- rdrop true | ||
| 118 : | EXIT | ||
| 119 : | THEN | ||
| 120 : | r> r> 1 /string | ||
| 121 : | REPEAT | ||
| 122 : | 2drop 2drop rdrop false ; | ||
| 123 : | pazsan | 1.7 | |
| 124 : | anton | 1.1 | \ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
| 125 : | |||
| 126 : | anton | 1.11 | : source-id ( -- 0 | -1 | fileid ) \ core-ext source-i-d |
| 127 : | anton | 1.13 | loadfile @ dup 0= IF drop sourceline# 0 min THEN ; |
| 128 : | anton | 1.1 | |
| 129 : | anton | 1.11 | : save-input ( -- x1 .. xn n ) \ core-ext |
| 130 : | anton | 1.14 | >in @ |
| 131 : | loadfile @ | ||
| 132 : | if | ||
| 133 : | loadfile @ file-position throw | ||
| 134 : | else | ||
| 135 : | blk @ | ||
| 136 : | linestart @ | ||
| 137 : | then | ||
| 138 : | sourceline# | ||
| 139 : | >tib @ | ||
| 140 : | source-id | ||
| 141 : | 6 ; | ||
| 142 : | anton | 1.1 | |
| 143 : | anton | 1.11 | : restore-input ( x1 .. xn n -- flag ) \ core-ext |
| 144 : | anton | 1.14 | 6 <> -12 and throw |
| 145 : | source-id <> -12 and throw | ||
| 146 : | >tib ! | ||
| 147 : | >r ( line# ) | ||
| 148 : | loadfile @ 0<> | ||
| 149 : | if | ||
| 150 : | loadfile @ reposition-file throw | ||
| 151 : | else | ||
| 152 : | linestart ! | ||
| 153 : | blk ! | ||
| 154 : | sourceline# r@ <> blk @ 0= and loadfile @ 0= and | ||
| 155 : | if | ||
| 156 : | drop rdrop true EXIT | ||
| 157 : | then | ||
| 158 : | then | ||
| 159 : | r> loadline ! | ||
| 160 : | >in ! | ||
| 161 : | false ; | ||
| 162 : | |||
| 163 : | \ : save-input ( -- x1 .. xn n ) \ core-ext | ||
| 164 : | \ >in @ | ||
| 165 : | \ loadfile @ ?dup | ||
| 166 : | \ IF dup file-position throw sourceline# >tib @ 6 | ||
| 167 : | \ #tib @ >tib +! | ||
| 168 : | \ ELSE sourceline# blk @ linestart @ >tib @ 5 THEN | ||
| 169 : | \ ; | ||
| 170 : | |||
| 171 : | \ : restore-input ( x1 .. xn n -- flag ) \ core-ext | ||
| 172 : | \ swap >tib ! | ||
| 173 : | \ 6 = IF loadline ! rot dup loadfile ! | ||
| 174 : | \ reposition-file IF drop true EXIT THEN | ||
| 175 : | \ ELSE linestart ! blk ! | ||
| 176 : | \ dup sourceline# <> IF 2drop true EXIT THEN | ||
| 177 : | \ loadline ! | ||
| 178 : | \ THEN | ||
| 179 : | \ >in ! false ; | ||
| 180 : | anton | 1.1 | |
| 181 : | |||
| 182 : | |||
| 183 : | \ This things we don't need, but for being complete... jaw | ||
| 184 : | |||
| 185 : | \ EXPECT SPAN 17may93jaw | ||
| 186 : | |||
| 187 : | anton | 1.11 | variable span ( -- a-addr ) \ core-ext |
| 188 : | \ obsolescent | ||
| 189 : | anton | 1.1 | |
| 190 : | anton | 1.11 | : expect ( c-addr +len -- ) \ core-ext |
| 191 : | \ obsolescent; use accept | ||
| 192 : | anton | 1.9 | 0 rot over |
| 193 : | BEGIN ( maxlen span c-addr pos1 ) | ||
| 194 : | key decode ( maxlen span c-addr pos2 flag ) | ||
| 195 : | >r 2over = r> or | ||
| 196 : | UNTIL | ||
| 197 : | pazsan | 1.17 | 2 pick swap /string type |
| 198 : | nip span ! ; | ||
| 199 : | anton | 1.1 |
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