| 1 : |
anton
|
1.1
|
\ CROSS.FS The Cross-Compiler 06oct92py |
| 2 : |
|
|
\ Idea and implementation: Bernd Paysan (py) |
| 3 : |
anton
|
1.30
|
|
| 4 : |
|
|
\ Copyright (C) 1995 Free Software Foundation, Inc. |
| 5 : |
|
|
|
| 6 : |
|
|
\ This file is part of Gforth. |
| 7 : |
|
|
|
| 8 : |
|
|
\ Gforth is free software; you can redistribute it and/or |
| 9 : |
|
|
\ modify it under the terms of the GNU General Public License |
| 10 : |
|
|
\ as published by the Free Software Foundation; either version 2 |
| 11 : |
|
|
\ of the License, or (at your option) any later version. |
| 12 : |
|
|
|
| 13 : |
|
|
\ This program is distributed in the hope that it will be useful, |
| 14 : |
|
|
\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 : |
|
|
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 : |
|
|
\ GNU General Public License for more details. |
| 17 : |
|
|
|
| 18 : |
|
|
\ You should have received a copy of the GNU General Public License |
| 19 : |
|
|
\ along with this program; if not, write to the Free Software |
| 20 : |
|
|
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 : |
anton
|
1.1
|
|
| 22 : |
|
|
\ Log: |
| 23 : |
|
|
\ changed in ; [ to state off 12may93jaw |
| 24 : |
|
|
\ included place +place 12may93jaw |
| 25 : |
|
|
\ for a created word (variable, constant...) |
| 26 : |
|
|
\ is now an alias in the target voabulary. |
| 27 : |
|
|
\ this means it is no longer necessary to |
| 28 : |
|
|
\ switch between vocabularies for variable |
| 29 : |
|
|
\ initialization 12may93jaw |
| 30 : |
|
|
\ discovered error in DOES> |
| 31 : |
|
|
\ replaced !does with (;code) 16may93jaw |
| 32 : |
|
|
\ made complete redesign and |
| 33 : |
|
|
\ introduced two vocs method |
| 34 : |
|
|
\ to be asure that the right words |
| 35 : |
|
|
\ are found 08jun93jaw |
| 36 : |
|
|
\ btw: ! works not with 16 bit |
| 37 : |
|
|
\ targets 09jun93jaw |
| 38 : |
|
|
\ added: 2user and value 11jun93jaw |
| 39 : |
|
|
|
| 40 : |
pazsan
|
1.9
|
\ include other.fs \ ansforth extentions for cross |
| 41 : |
anton
|
1.1
|
|
| 42 : |
pazsan
|
1.23
|
: string, ( c-addr u -- ) |
| 43 : |
|
|
\ puts down string as cstring |
| 44 : |
|
|
dup c, here swap chars dup allot move ; |
| 45 : |
|
|
' falign Alias cfalign |
| 46 : |
pazsan
|
1.5
|
: comment? ( c-addr u -- c-addr u ) |
| 47 : |
|
|
2dup s" (" compare 0= |
| 48 : |
|
|
IF postpone ( |
| 49 : |
|
|
ELSE 2dup s" \" compare 0= IF postpone \ THEN |
| 50 : |
|
|
THEN ; |
| 51 : |
|
|
|
| 52 : |
anton
|
1.1
|
decimal |
| 53 : |
|
|
|
| 54 : |
|
|
\ Begin CROSS COMPILER: |
| 55 : |
|
|
|
| 56 : |
|
|
\ GhostNames 9may93jaw |
| 57 : |
|
|
\ second name source to search trough list |
| 58 : |
|
|
|
| 59 : |
|
|
VARIABLE GhostNames |
| 60 : |
|
|
0 GhostNames ! |
| 61 : |
|
|
: GhostName ( -- addr ) |
| 62 : |
anton
|
1.22
|
here GhostNames @ , GhostNames ! here 0 , |
| 63 : |
|
|
bl word count |
| 64 : |
|
|
\ 2dup type space |
| 65 : |
|
|
string, cfalign ; |
| 66 : |
anton
|
1.1
|
|
| 67 : |
|
|
hex |
| 68 : |
|
|
|
| 69 : |
|
|
|
| 70 : |
|
|
Vocabulary Cross |
| 71 : |
|
|
Vocabulary Target |
| 72 : |
|
|
Vocabulary Ghosts |
| 73 : |
|
|
VOCABULARY Minimal |
| 74 : |
|
|
only Forth also Target also also |
| 75 : |
|
|
definitions Forth |
| 76 : |
|
|
|
| 77 : |
|
|
: T previous Cross also Target ; immediate |
| 78 : |
|
|
: G Ghosts ; immediate |
| 79 : |
|
|
: H previous Forth also Cross ; immediate |
| 80 : |
|
|
|
| 81 : |
|
|
forth definitions |
| 82 : |
|
|
|
| 83 : |
|
|
: T previous Cross also Target ; immediate |
| 84 : |
|
|
: G Ghosts ; immediate |
| 85 : |
|
|
|
| 86 : |
|
|
: >cross also Cross definitions previous ; |
| 87 : |
|
|
: >target also Target definitions previous ; |
| 88 : |
|
|
: >minimal also Minimal definitions previous ; |
| 89 : |
|
|
|
| 90 : |
|
|
H |
| 91 : |
|
|
|
| 92 : |
|
|
>CROSS |
| 93 : |
|
|
|
| 94 : |
|
|
\ Variables 06oct92py |
| 95 : |
|
|
|
| 96 : |
|
|
-1 Constant NIL |
| 97 : |
|
|
Variable image |
| 98 : |
|
|
Variable tlast NIL tlast ! \ Last name field |
| 99 : |
|
|
Variable tlastcfa \ Last code field |
| 100 : |
|
|
Variable tdoes \ Resolve does> calls |
| 101 : |
|
|
Variable bit$ |
| 102 : |
|
|
Variable tdp |
| 103 : |
|
|
: there tdp @ ; |
| 104 : |
|
|
|
| 105 : |
|
|
\ Parameter for target systems 06oct92py |
| 106 : |
|
|
|
| 107 : |
pazsan
|
1.42
|
mach-file count included |
| 108 : |
anton
|
1.1
|
|
| 109 : |
pazsan
|
1.19
|
\ Create additional parameters 19jan95py |
| 110 : |
|
|
|
| 111 : |
|
|
T |
| 112 : |
|
|
cell Constant tcell |
| 113 : |
|
|
cell<< Constant tcell<< |
| 114 : |
|
|
cell>bit Constant tcell>bit |
| 115 : |
|
|
bits/byte Constant tbits/byte |
| 116 : |
|
|
float Constant tfloat |
| 117 : |
|
|
1 bits/byte lshift Constant maxbyte |
| 118 : |
|
|
H |
| 119 : |
|
|
|
| 120 : |
anton
|
1.1
|
>TARGET |
| 121 : |
|
|
|
| 122 : |
|
|
\ Byte ordering and cell size 06oct92py |
| 123 : |
|
|
|
| 124 : |
pazsan
|
1.19
|
: cell+ tcell + ; |
| 125 : |
|
|
: cells tcell<< lshift ; |
| 126 : |
anton
|
1.1
|
: chars ; |
| 127 : |
pazsan
|
1.19
|
: floats tfloat * ; |
| 128 : |
anton
|
1.6
|
|
| 129 : |
anton
|
1.1
|
>CROSS |
| 130 : |
pazsan
|
1.19
|
: cell/ tcell<< rshift ; |
| 131 : |
anton
|
1.1
|
>TARGET |
| 132 : |
|
|
20 CONSTANT bl |
| 133 : |
|
|
-1 Constant NIL |
| 134 : |
|
|
|
| 135 : |
|
|
>CROSS |
| 136 : |
|
|
|
| 137 : |
pazsan
|
1.20
|
bigendian |
| 138 : |
|
|
[IF] |
| 139 : |
|
|
: T! ( n addr -- ) >r s>d r> tcell bounds swap 1- |
| 140 : |
|
|
DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ; |
| 141 : |
|
|
: T@ ( addr -- n ) >r 0 0 r> tcell bounds |
| 142 : |
|
|
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ; |
| 143 : |
pazsan
|
1.19
|
[ELSE] |
| 144 : |
pazsan
|
1.20
|
: T! ( n addr -- ) >r s>d r> tcell bounds |
| 145 : |
|
|
DO maxbyte ud/mod rot I c! LOOP 2drop ; |
| 146 : |
|
|
: T@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1- |
| 147 : |
|
|
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
| 148 : |
anton
|
1.1
|
[THEN] |
| 149 : |
|
|
|
| 150 : |
|
|
\ Memory initialisation 05dec92py |
| 151 : |
|
|
\ Fixed bug in else part 11may93jaw |
| 152 : |
|
|
|
| 153 : |
|
|
[IFDEF] Memory \ Memory is a bigFORTH feature |
| 154 : |
pazsan
|
1.5
|
also Memory |
| 155 : |
anton
|
1.1
|
: initmem ( var len -- ) |
| 156 : |
|
|
2dup swap handle! >r @ r> erase ; |
| 157 : |
pazsan
|
1.5
|
toss |
| 158 : |
anton
|
1.1
|
[ELSE] |
| 159 : |
|
|
: initmem ( var len -- ) |
| 160 : |
|
|
tuck allocate abort" CROSS: No memory for target" |
| 161 : |
|
|
( len var adr ) dup rot ! |
| 162 : |
|
|
( len adr ) swap erase ; |
| 163 : |
|
|
[THEN] |
| 164 : |
|
|
|
| 165 : |
|
|
\ MakeKernal 12dec92py |
| 166 : |
|
|
|
| 167 : |
|
|
>MINIMAL |
| 168 : |
pazsan
|
1.39
|
: makekernel ( targetsize -- targetsize ) |
| 169 : |
anton
|
1.1
|
bit$ over 1- cell>bit rshift 1+ initmem |
| 170 : |
|
|
image over initmem tdp off ; |
| 171 : |
|
|
|
| 172 : |
|
|
>CROSS |
| 173 : |
|
|
\ Bit string manipulation 06oct92py |
| 174 : |
|
|
\ 9may93jaw |
| 175 : |
|
|
CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c, |
| 176 : |
|
|
: bits ( n -- n ) chars Bittable + c@ ; |
| 177 : |
|
|
|
| 178 : |
|
|
: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ; |
| 179 : |
|
|
: +bit ( addr n -- ) >bit over c@ or swap c! ; |
| 180 : |
pazsan
|
1.4
|
: -bit ( addr n -- ) >bit invert over c@ and swap c! ; |
| 181 : |
anton
|
1.1
|
: relon ( taddr -- ) bit$ @ swap cell/ +bit ; |
| 182 : |
pazsan
|
1.4
|
: reloff ( taddr -- ) bit$ @ swap cell/ -bit ; |
| 183 : |
anton
|
1.1
|
|
| 184 : |
|
|
\ Target memory access 06oct92py |
| 185 : |
|
|
|
| 186 : |
|
|
: align+ ( taddr -- rest ) |
| 187 : |
|
|
cell tuck 1- and - [ cell 1- ] Literal and ; |
| 188 : |
anton
|
1.22
|
: cfalign+ ( taddr -- rest ) |
| 189 : |
pazsan
|
1.39
|
\ see kernel.fs:cfaligned |
| 190 : |
anton
|
1.22
|
float tuck 1- and - [ float 1- ] Literal and ; |
| 191 : |
anton
|
1.1
|
|
| 192 : |
|
|
>TARGET |
| 193 : |
|
|
: aligned ( taddr -- ta-addr ) dup align+ + ; |
| 194 : |
|
|
\ assumes cell alignment granularity (as GNU C) |
| 195 : |
|
|
|
| 196 : |
anton
|
1.22
|
: cfaligned ( taddr1 -- taddr2 ) |
| 197 : |
pazsan
|
1.39
|
\ see kernel.fs |
| 198 : |
anton
|
1.22
|
dup cfalign+ + ; |
| 199 : |
|
|
|
| 200 : |
anton
|
1.1
|
>CROSS |
| 201 : |
|
|
: >image ( taddr -- absaddr ) image @ + ; |
| 202 : |
|
|
>TARGET |
| 203 : |
pazsan
|
1.19
|
: @ ( taddr -- w ) >image t@ ; |
| 204 : |
|
|
: ! ( w taddr -- ) >image t! ; |
| 205 : |
anton
|
1.1
|
: c@ ( taddr -- char ) >image c@ ; |
| 206 : |
|
|
: c! ( char taddr -- ) >image c! ; |
| 207 : |
anton
|
1.7
|
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
| 208 : |
|
|
: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ; |
| 209 : |
anton
|
1.1
|
|
| 210 : |
|
|
\ Target compilation primitives 06oct92py |
| 211 : |
|
|
\ included A! 16may93jaw |
| 212 : |
|
|
|
| 213 : |
|
|
: here ( -- there ) there ; |
| 214 : |
|
|
: allot ( n -- ) tdp +! ; |
| 215 : |
|
|
: , ( w -- ) T here H cell T allot ! H ; |
| 216 : |
|
|
: c, ( char -- ) T here 1 allot c! H ; |
| 217 : |
|
|
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
| 218 : |
anton
|
1.22
|
: cfalign ( -- ) |
| 219 : |
|
|
T here H cfalign+ 0 ?DO bl T c, H LOOP ; |
| 220 : |
anton
|
1.1
|
|
| 221 : |
|
|
: A! dup relon T ! H ; |
| 222 : |
|
|
: A, ( w -- ) T here H relon T , H ; |
| 223 : |
|
|
|
| 224 : |
|
|
>CROSS |
| 225 : |
|
|
|
| 226 : |
|
|
\ threading modell 13dec92py |
| 227 : |
|
|
|
| 228 : |
|
|
>TARGET |
| 229 : |
|
|
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
| 230 : |
|
|
>CROSS |
| 231 : |
|
|
|
| 232 : |
|
|
\ Ghost Builder 06oct92py |
| 233 : |
|
|
|
| 234 : |
|
|
\ <T T> new version with temp variable 10may93jaw |
| 235 : |
|
|
|
| 236 : |
|
|
VARIABLE VocTemp |
| 237 : |
|
|
|
| 238 : |
|
|
: <T get-current VocTemp ! also Ghosts definitions ; |
| 239 : |
|
|
: T> previous VocTemp @ set-current ; |
| 240 : |
|
|
|
| 241 : |
|
|
4711 Constant <fwd> 4712 Constant <res> |
| 242 : |
pazsan
|
1.42
|
4713 Constant <imm> 4714 Constant <do:> |
| 243 : |
anton
|
1.1
|
|
| 244 : |
|
|
\ iForth makes only immediate directly after create |
| 245 : |
|
|
\ make atonce trick! ? |
| 246 : |
|
|
|
| 247 : |
|
|
Variable atonce atonce off |
| 248 : |
|
|
|
| 249 : |
|
|
: NoExec true ABORT" CROSS: Don't execute ghost" ; |
| 250 : |
|
|
|
| 251 : |
|
|
: GhostHeader <fwd> , 0 , ['] NoExec , ; |
| 252 : |
|
|
|
| 253 : |
|
|
: >magic ; : >link cell+ ; : >exec cell+ cell+ ; |
| 254 : |
|
|
: >end 3 cells + ; |
| 255 : |
|
|
|
| 256 : |
pazsan
|
1.11
|
Variable last-ghost |
| 257 : |
anton
|
1.1
|
: Make-Ghost ( "name" -- ghost ) |
| 258 : |
|
|
>in @ GhostName swap >in ! |
| 259 : |
|
|
<T Create atonce @ IF immediate atonce off THEN |
| 260 : |
|
|
here tuck swap ! ghostheader T> |
| 261 : |
pazsan
|
1.11
|
DOES> dup last-ghost ! >exec @ execute ; |
| 262 : |
anton
|
1.1
|
|
| 263 : |
|
|
\ ghost words 14oct92py |
| 264 : |
|
|
\ changed: 10may93py/jaw |
| 265 : |
|
|
|
| 266 : |
|
|
: gfind ( string -- ghost true/1 / string false ) |
| 267 : |
|
|
\ searches for string in word-list ghosts |
| 268 : |
pazsan
|
1.5
|
dup count [ ' ghosts >body ] ALiteral search-wordlist |
| 269 : |
anton
|
1.38
|
dup IF >r >body nip r> THEN ; |
| 270 : |
anton
|
1.1
|
|
| 271 : |
|
|
VARIABLE Already |
| 272 : |
|
|
|
| 273 : |
|
|
: ghost ( "name" -- ghost ) |
| 274 : |
|
|
Already off |
| 275 : |
pazsan
|
1.13
|
>in @ bl word gfind IF Already on nip EXIT THEN |
| 276 : |
anton
|
1.1
|
drop >in ! Make-Ghost ; |
| 277 : |
|
|
|
| 278 : |
|
|
\ resolve 14oct92py |
| 279 : |
|
|
|
| 280 : |
|
|
: resolve-loop ( ghost tcfa -- ghost tcfa ) |
| 281 : |
|
|
>r dup >link @ |
| 282 : |
|
|
BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ; |
| 283 : |
|
|
|
| 284 : |
|
|
\ exists 9may93jaw |
| 285 : |
|
|
|
| 286 : |
|
|
: exists ( ghost tcfa -- ) |
| 287 : |
|
|
over GhostNames |
| 288 : |
|
|
BEGIN @ dup |
| 289 : |
|
|
WHILE 2dup cell+ @ = |
| 290 : |
|
|
UNTIL |
| 291 : |
pazsan
|
1.18
|
2 cells + count cr ." CROSS: Exists: " type 4 spaces drop |
| 292 : |
anton
|
1.1
|
swap cell+ ! |
| 293 : |
pazsan
|
1.24
|
ELSE true abort" CROSS: Ghostnames inconsistent " |
| 294 : |
anton
|
1.1
|
THEN ; |
| 295 : |
|
|
|
| 296 : |
|
|
: resolve ( ghost tcfa -- ) |
| 297 : |
|
|
over >magic @ <fwd> <> IF exists EXIT THEN |
| 298 : |
|
|
resolve-loop over >link ! <res> swap >magic ! ; |
| 299 : |
|
|
|
| 300 : |
|
|
\ gexecute ghost, 01nov92py |
| 301 : |
|
|
|
| 302 : |
|
|
: do-forward ( ghost -- ) |
| 303 : |
|
|
>link dup @ there rot ! T A, H ; |
| 304 : |
|
|
: do-resolve ( ghost -- ) |
| 305 : |
|
|
>link @ T A, H ; |
| 306 : |
|
|
|
| 307 : |
|
|
: gexecute ( ghost -- ) dup @ |
| 308 : |
|
|
<fwd> = IF do-forward ELSE do-resolve THEN ; |
| 309 : |
|
|
: ghost, ghost gexecute ; |
| 310 : |
|
|
|
| 311 : |
|
|
\ .unresolved 11may93jaw |
| 312 : |
|
|
|
| 313 : |
|
|
variable ResolveFlag |
| 314 : |
|
|
|
| 315 : |
|
|
\ ?touched 11may93jaw |
| 316 : |
|
|
|
| 317 : |
|
|
: ?touched ( ghost -- flag ) dup >magic @ <fwd> = swap >link @ |
| 318 : |
|
|
0 <> and ; |
| 319 : |
|
|
|
| 320 : |
|
|
: ?resolved ( ghostname -- ) |
| 321 : |
|
|
dup cell+ @ ?touched |
| 322 : |
|
|
IF cell+ cell+ count cr type ResolveFlag on ELSE drop THEN ; |
| 323 : |
|
|
|
| 324 : |
|
|
>MINIMAL |
| 325 : |
|
|
: .unresolved ( -- ) |
| 326 : |
|
|
ResolveFlag off cr ." Unresolved: " |
| 327 : |
|
|
Ghostnames |
| 328 : |
|
|
BEGIN @ dup |
| 329 : |
|
|
WHILE dup ?resolved |
| 330 : |
anton
|
1.10
|
REPEAT drop ResolveFlag @ |
| 331 : |
|
|
IF |
| 332 : |
pazsan
|
1.11
|
abort" Unresolved words!" |
| 333 : |
anton
|
1.10
|
ELSE |
| 334 : |
|
|
." Nothing!" |
| 335 : |
|
|
THEN |
| 336 : |
|
|
cr ; |
| 337 : |
anton
|
1.1
|
|
| 338 : |
|
|
>CROSS |
| 339 : |
|
|
\ Header states 12dec92py |
| 340 : |
|
|
|
| 341 : |
|
|
: flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ; |
| 342 : |
|
|
|
| 343 : |
|
|
VARIABLE ^imm |
| 344 : |
|
|
|
| 345 : |
|
|
>TARGET |
| 346 : |
anton
|
1.36
|
: immediate 40 flag! |
| 347 : |
pazsan
|
1.18
|
^imm @ @ dup <imm> = IF drop EXIT THEN |
| 348 : |
anton
|
1.1
|
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
| 349 : |
|
|
<imm> ^imm @ ! ; |
| 350 : |
anton
|
1.36
|
: restrict 20 flag! ; |
| 351 : |
anton
|
1.1
|
>CROSS |
| 352 : |
|
|
|
| 353 : |
|
|
\ ALIAS2 ansforth conform alias 9may93jaw |
| 354 : |
|
|
|
| 355 : |
|
|
: ALIAS2 create here 0 , DOES> @ execute ; |
| 356 : |
|
|
\ usage: |
| 357 : |
pazsan
|
1.18
|
\ ' <name> alias2 bla ! |
| 358 : |
anton
|
1.1
|
|
| 359 : |
|
|
\ Target Header Creation 01nov92py |
| 360 : |
|
|
|
| 361 : |
|
|
: string, ( addr count -- ) |
| 362 : |
pazsan
|
1.28
|
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
| 363 : |
anton
|
1.22
|
: name, ( "name" -- ) bl word count string, T cfalign H ; |
| 364 : |
anton
|
1.1
|
: view, ( -- ) ( dummy ) ; |
| 365 : |
|
|
|
| 366 : |
pazsan
|
1.25
|
\ Target Document Creation (goes to crossdoc.fd) 05jul95py |
| 367 : |
|
|
|
| 368 : |
|
|
s" crossdoc.fd" r/w create-file throw value doc-file-id |
| 369 : |
|
|
\ contains the file-id of the documentation file |
| 370 : |
|
|
|
| 371 : |
pazsan
|
1.40
|
: T-\G ( -- ) |
| 372 : |
pazsan
|
1.25
|
source >in @ /string doc-file-id write-line throw |
| 373 : |
pazsan
|
1.40
|
postpone \ ; |
| 374 : |
pazsan
|
1.25
|
|
| 375 : |
pazsan
|
1.39
|
Variable to-doc to-doc on |
| 376 : |
pazsan
|
1.25
|
|
| 377 : |
|
|
: cross-doc-entry ( -- ) |
| 378 : |
|
|
to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header |
| 379 : |
|
|
IF |
| 380 : |
|
|
s" " doc-file-id write-line throw |
| 381 : |
|
|
s" make-doc " doc-file-id write-file throw |
| 382 : |
|
|
tlast @ >image count $1F and doc-file-id write-file throw |
| 383 : |
|
|
>in @ |
| 384 : |
|
|
[char] ( parse 2drop |
| 385 : |
|
|
[char] ) parse doc-file-id write-file throw |
| 386 : |
|
|
s" )" doc-file-id write-file throw |
| 387 : |
|
|
[char] \ parse 2drop |
| 388 : |
pazsan
|
1.40
|
T-\G |
| 389 : |
pazsan
|
1.25
|
>in ! |
| 390 : |
pazsan
|
1.39
|
THEN ; |
| 391 : |
pazsan
|
1.25
|
|
| 392 : |
pazsan
|
1.28
|
\ Target TAGS creation |
| 393 : |
|
|
|
| 394 : |
pazsan
|
1.39
|
s" kernel.TAGS" r/w create-file throw value tag-file-id |
| 395 : |
pazsan
|
1.28
|
\ contains the file-id of the tags file |
| 396 : |
|
|
|
| 397 : |
|
|
Create tag-beg 2 c, 7F c, bl c, |
| 398 : |
|
|
Create tag-end 2 c, bl c, 01 c, |
| 399 : |
|
|
Create tag-bof 1 c, 0C c, |
| 400 : |
|
|
|
| 401 : |
|
|
2variable last-loadfilename 0 0 last-loadfilename 2! |
| 402 : |
|
|
|
| 403 : |
|
|
: put-load-file-name ( -- ) |
| 404 : |
|
|
loadfilename 2@ last-loadfilename 2@ d<> |
| 405 : |
|
|
IF |
| 406 : |
|
|
tag-bof count tag-file-id write-line throw |
| 407 : |
anton
|
1.31
|
sourcefilename 2dup |
| 408 : |
pazsan
|
1.28
|
tag-file-id write-file throw |
| 409 : |
|
|
last-loadfilename 2! |
| 410 : |
|
|
s" ,0" tag-file-id write-line throw |
| 411 : |
|
|
THEN ; |
| 412 : |
|
|
|
| 413 : |
|
|
: cross-tag-entry ( -- ) |
| 414 : |
|
|
tlast @ 0<> \ not an anonymous (i.e. noname) header |
| 415 : |
|
|
IF |
| 416 : |
|
|
put-load-file-name |
| 417 : |
|
|
source >in @ min tag-file-id write-file throw |
| 418 : |
|
|
tag-beg count tag-file-id write-file throw |
| 419 : |
|
|
tlast @ >image count $1F and tag-file-id write-file throw |
| 420 : |
|
|
tag-end count tag-file-id write-file throw |
| 421 : |
anton
|
1.31
|
base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw |
| 422 : |
pazsan
|
1.28
|
\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw |
| 423 : |
|
|
s" ,0" tag-file-id write-line throw |
| 424 : |
|
|
base ! |
| 425 : |
|
|
THEN ; |
| 426 : |
|
|
|
| 427 : |
|
|
\ Target header creation |
| 428 : |
|
|
|
| 429 : |
anton
|
1.1
|
VARIABLE CreateFlag CreateFlag off |
| 430 : |
|
|
|
| 431 : |
|
|
: (Theader ( "name" -- ghost ) T align H view, |
| 432 : |
|
|
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
| 433 : |
|
|
>in @ name, >in ! T here H tlastcfa ! |
| 434 : |
|
|
CreateFlag @ IF |
| 435 : |
pazsan
|
1.18
|
>in @ alias2 swap >in ! \ create alias in target |
| 436 : |
|
|
>in @ ghost swap >in ! |
| 437 : |
|
|
swap also ghosts ' previous swap ! \ tick ghost and store in alias |
| 438 : |
|
|
CreateFlag off |
| 439 : |
anton
|
1.1
|
ELSE ghost THEN |
| 440 : |
|
|
dup >magic ^imm ! \ a pointer for immediate |
| 441 : |
|
|
Already @ IF dup >end tdoes ! |
| 442 : |
|
|
ELSE 0 tdoes ! THEN |
| 443 : |
pazsan
|
1.25
|
80 flag! |
| 444 : |
pazsan
|
1.28
|
cross-doc-entry cross-tag-entry ; |
| 445 : |
anton
|
1.1
|
|
| 446 : |
|
|
VARIABLE ;Resolve 1 cells allot |
| 447 : |
|
|
|
| 448 : |
pazsan
|
1.11
|
: Theader ( "name" -- ghost ) |
| 449 : |
|
|
(THeader dup there resolve 0 ;Resolve ! ; |
| 450 : |
anton
|
1.1
|
|
| 451 : |
|
|
>TARGET |
| 452 : |
|
|
: Alias ( cfa -- ) \ name |
| 453 : |
|
|
(THeader over resolve T A, H 80 flag! ; |
| 454 : |
pazsan
|
1.42
|
: Alias: ( cfa -- ) \ name |
| 455 : |
|
|
ghost tuck swap resolve <do:> swap >magic ! ; |
| 456 : |
anton
|
1.1
|
>CROSS |
| 457 : |
|
|
|
| 458 : |
|
|
\ Conditionals and Comments 11may93jaw |
| 459 : |
|
|
|
| 460 : |
|
|
: ;Cond |
| 461 : |
|
|
postpone ; |
| 462 : |
|
|
swap ! ; immediate |
| 463 : |
|
|
|
| 464 : |
|
|
: Cond: ( -- ) \ name {code } ; |
| 465 : |
|
|
atonce on |
| 466 : |
|
|
ghost |
| 467 : |
|
|
>exec |
| 468 : |
|
|
:NONAME ; |
| 469 : |
|
|
|
| 470 : |
|
|
: restrict? ( -- ) |
| 471 : |
|
|
\ aborts on interprete state - ae |
| 472 : |
|
|
state @ 0= ABORT" CROSS: Restricted" ; |
| 473 : |
|
|
|
| 474 : |
|
|
: Comment ( -- ) |
| 475 : |
|
|
>in @ atonce on ghost swap >in ! ' swap >exec ! ; |
| 476 : |
|
|
|
| 477 : |
|
|
Comment ( Comment \ |
| 478 : |
|
|
|
| 479 : |
|
|
\ Predefined ghosts 12dec92py |
| 480 : |
|
|
|
| 481 : |
|
|
ghost 0= drop |
| 482 : |
|
|
ghost branch ghost ?branch 2drop |
| 483 : |
|
|
ghost (do) ghost (?do) 2drop |
| 484 : |
|
|
ghost (for) drop |
| 485 : |
|
|
ghost (loop) ghost (+loop) 2drop |
| 486 : |
|
|
ghost (next) drop |
| 487 : |
pazsan
|
1.2
|
ghost unloop ghost ;S 2drop |
| 488 : |
anton
|
1.1
|
ghost lit ghost (compile) ghost ! 2drop drop |
| 489 : |
anton
|
1.29
|
ghost (does>) ghost noop 2drop |
| 490 : |
anton
|
1.1
|
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
| 491 : |
pazsan
|
1.41
|
ghost ' drop |
| 492 : |
pazsan
|
1.42
|
ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
| 493 : |
anton
|
1.1
|
|
| 494 : |
|
|
\ compile 10may93jaw |
| 495 : |
|
|
|
| 496 : |
|
|
: compile ( -- ) \ name |
| 497 : |
|
|
restrict? |
| 498 : |
pazsan
|
1.13
|
bl word gfind dup 0= ABORT" CROSS: Can't compile " |
| 499 : |
anton
|
1.1
|
0> ( immediate? ) |
| 500 : |
|
|
IF >exec @ compile, |
| 501 : |
|
|
ELSE postpone literal postpone gexecute THEN ; |
| 502 : |
|
|
immediate |
| 503 : |
|
|
|
| 504 : |
pazsan
|
1.42
|
\ generic threading modell |
| 505 : |
|
|
: docol, ( -- ) compile :docol T 0 , H ; |
| 506 : |
|
|
|
| 507 : |
|
|
: dodoes, ( -- ) compile :doesjump T 0 , H ; |
| 508 : |
|
|
|
| 509 : |
anton
|
1.1
|
>TARGET |
| 510 : |
pazsan
|
1.13
|
: ' ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined " |
| 511 : |
anton
|
1.1
|
dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
| 512 : |
|
|
|
| 513 : |
|
|
Cond: ['] compile lit ghost gexecute ;Cond |
| 514 : |
anton
|
1.14
|
|
| 515 : |
|
|
Cond: chars ;Cond |
| 516 : |
anton
|
1.1
|
|
| 517 : |
|
|
>CROSS |
| 518 : |
|
|
\ tLiteral 12dec92py |
| 519 : |
|
|
|
| 520 : |
|
|
: lit, ( n -- ) compile lit T , H ; |
| 521 : |
|
|
: alit, ( n -- ) compile lit T A, H ; |
| 522 : |
|
|
|
| 523 : |
|
|
>TARGET |
| 524 : |
pazsan
|
1.40
|
Cond: \G T-\G ;Cond |
| 525 : |
|
|
|
| 526 : |
anton
|
1.1
|
Cond: Literal ( n -- ) restrict? lit, ;Cond |
| 527 : |
|
|
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
| 528 : |
|
|
|
| 529 : |
|
|
: Char ( "<char>" -- ) bl word char+ c@ ; |
| 530 : |
|
|
Cond: [Char] ( "<char>" -- ) restrict? Char lit, ;Cond |
| 531 : |
|
|
|
| 532 : |
|
|
>CROSS |
| 533 : |
|
|
\ Target compiling loop 12dec92py |
| 534 : |
|
|
\ ">tib trick thrown out 10may93jaw |
| 535 : |
|
|
\ number? defined at the top 11may93jaw |
| 536 : |
|
|
|
| 537 : |
|
|
\ compiled word might leave items on stack! |
| 538 : |
|
|
: tcom ( in name -- ) |
| 539 : |
|
|
gfind ?dup IF 0> IF nip >exec @ execute |
| 540 : |
|
|
ELSE nip gexecute THEN EXIT THEN |
| 541 : |
|
|
number? dup IF 0> IF swap lit, THEN lit, drop |
| 542 : |
|
|
ELSE 2drop >in ! |
| 543 : |
|
|
ghost gexecute THEN ; |
| 544 : |
|
|
|
| 545 : |
|
|
>TARGET |
| 546 : |
|
|
\ : ; DOES> 13dec92py |
| 547 : |
|
|
\ ] 9may93py/jaw |
| 548 : |
|
|
|
| 549 : |
|
|
: ] state on |
| 550 : |
|
|
BEGIN |
| 551 : |
pazsan
|
1.13
|
BEGIN >in @ bl word |
| 552 : |
anton
|
1.1
|
dup c@ 0= WHILE 2drop refill 0= |
| 553 : |
|
|
ABORT" CROSS: End of file while target compiling" |
| 554 : |
|
|
REPEAT |
| 555 : |
|
|
tcom |
| 556 : |
|
|
state @ |
| 557 : |
|
|
0= |
| 558 : |
|
|
UNTIL ; |
| 559 : |
|
|
|
| 560 : |
|
|
\ by the way: defining a second interpreter (a compiler-)loop |
| 561 : |
|
|
\ is not allowed if a system should be ans conform |
| 562 : |
|
|
|
| 563 : |
|
|
: : ( -- colon-sys ) \ Name |
| 564 : |
|
|
(THeader ;Resolve ! there ;Resolve cell+ ! |
| 565 : |
|
|
docol, depth T ] H ; |
| 566 : |
|
|
|
| 567 : |
pazsan
|
1.37
|
: :noname ( -- colon-sys ) |
| 568 : |
|
|
T align H there docol, depth T ] H ; |
| 569 : |
|
|
|
| 570 : |
pazsan
|
1.2
|
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
| 571 : |
anton
|
1.6
|
|
| 572 : |
|
|
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
| 573 : |
pazsan
|
1.2
|
|
| 574 : |
anton
|
1.1
|
Cond: ; ( -- ) restrict? |
| 575 : |
|
|
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
| 576 : |
|
|
ELSE true ABORT" CROSS: Stack empty" THEN |
| 577 : |
pazsan
|
1.2
|
compile ;S state off |
| 578 : |
anton
|
1.1
|
;Resolve @ |
| 579 : |
|
|
IF ;Resolve @ ;Resolve cell+ @ resolve THEN |
| 580 : |
|
|
;Cond |
| 581 : |
|
|
Cond: [ restrict? state off ;Cond |
| 582 : |
|
|
|
| 583 : |
|
|
>CROSS |
| 584 : |
pazsan
|
1.42
|
: !does |
| 585 : |
|
|
tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
| 586 : |
anton
|
1.1
|
|
| 587 : |
|
|
>TARGET |
| 588 : |
|
|
Cond: DOES> restrict? |
| 589 : |
anton
|
1.29
|
compile (does>) dodoes, tdoes @ ?dup IF @ T here H resolve THEN |
| 590 : |
anton
|
1.1
|
;Cond |
| 591 : |
|
|
: DOES> dodoes, T here H !does depth T ] H ; |
| 592 : |
|
|
|
| 593 : |
|
|
>CROSS |
| 594 : |
|
|
\ Creation 01nov92py |
| 595 : |
|
|
|
| 596 : |
|
|
\ Builder 11may93jaw |
| 597 : |
|
|
|
| 598 : |
|
|
: Builder ( Create do: "name" -- ) |
| 599 : |
|
|
>in @ alias2 swap dup >in ! >r >r |
| 600 : |
|
|
Make-Ghost rot swap >exec ! , |
| 601 : |
|
|
r> r> >in ! |
| 602 : |
pazsan
|
1.11
|
also ghosts ' previous swap ! ; |
| 603 : |
|
|
\ DOES> dup >exec @ execute ; |
| 604 : |
anton
|
1.1
|
|
| 605 : |
|
|
: gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
| 606 : |
pazsan
|
1.42
|
IF |
| 607 : |
|
|
dup >magic @ <do:> = |
| 608 : |
|
|
IF gexecute T 0 , H EXIT THEN |
| 609 : |
|
|
THEN |
| 610 : |
|
|
compile :dodoes gexecute T here H cell - reloff ; |
| 611 : |
anton
|
1.1
|
|
| 612 : |
pazsan
|
1.11
|
: TCreate ( -- ) |
| 613 : |
|
|
last-ghost @ |
| 614 : |
anton
|
1.1
|
CreateFlag on |
| 615 : |
pazsan
|
1.11
|
Theader >r dup gdoes, |
| 616 : |
|
|
>end @ >exec @ r> >exec ! ; |
| 617 : |
anton
|
1.1
|
|
| 618 : |
|
|
: Build: ( -- [xt] [colon-sys] ) |
| 619 : |
|
|
:noname postpone TCreate ; |
| 620 : |
|
|
|
| 621 : |
|
|
: gdoes> ( ghost -- addr flag ) |
| 622 : |
pazsan
|
1.11
|
last-ghost @ |
| 623 : |
anton
|
1.1
|
state @ IF gexecute true EXIT THEN |
| 624 : |
|
|
cell+ @ T >body H false ; |
| 625 : |
|
|
|
| 626 : |
|
|
\ DO: ;DO 11may93jaw |
| 627 : |
|
|
\ changed to ?EXIT 10may93jaw |
| 628 : |
|
|
|
| 629 : |
|
|
: DO: ( -- addr [xt] [colon-sys] ) |
| 630 : |
|
|
here ghostheader |
| 631 : |
pazsan
|
1.11
|
:noname postpone gdoes> postpone ?EXIT ; |
| 632 : |
anton
|
1.1
|
|
| 633 : |
pazsan
|
1.42
|
: by: ( -- addr [xt] [colon-sys] ) \ name |
| 634 : |
|
|
ghost |
| 635 : |
|
|
:noname postpone gdoes> postpone ?EXIT ; |
| 636 : |
|
|
|
| 637 : |
anton
|
1.1
|
: ;DO ( addr [xt] [colon-sys] -- ) |
| 638 : |
|
|
postpone ; ( S addr xt ) |
| 639 : |
|
|
over >exec ! ; immediate |
| 640 : |
|
|
|
| 641 : |
|
|
: by ( -- addr ) \ Name |
| 642 : |
|
|
ghost >end @ ; |
| 643 : |
|
|
|
| 644 : |
|
|
>TARGET |
| 645 : |
|
|
\ Variables and Constants 05dec92py |
| 646 : |
|
|
|
| 647 : |
|
|
Build: ; |
| 648 : |
pazsan
|
1.42
|
by: :dovar ( ghost -- addr ) ;DO |
| 649 : |
anton
|
1.1
|
Builder Create |
| 650 : |
|
|
|
| 651 : |
|
|
Build: T 0 , H ; |
| 652 : |
|
|
by Create |
| 653 : |
|
|
Builder Variable |
| 654 : |
|
|
|
| 655 : |
|
|
Build: T 0 A, H ; |
| 656 : |
|
|
by Create |
| 657 : |
|
|
Builder AVariable |
| 658 : |
|
|
|
| 659 : |
pazsan
|
1.3
|
\ User variables 04may94py |
| 660 : |
|
|
|
| 661 : |
|
|
>CROSS |
| 662 : |
|
|
Variable tup 0 tup ! |
| 663 : |
|
|
Variable tudp 0 tudp ! |
| 664 : |
|
|
: u, ( n -- udp ) |
| 665 : |
|
|
tup @ tudp @ + T ! H |
| 666 : |
pazsan
|
1.19
|
tudp @ dup T cell+ H tudp ! ; |
| 667 : |
pazsan
|
1.3
|
: au, ( n -- udp ) |
| 668 : |
|
|
tup @ tudp @ + T A! H |
| 669 : |
pazsan
|
1.19
|
tudp @ dup T cell+ H tudp ! ; |
| 670 : |
pazsan
|
1.3
|
>TARGET |
| 671 : |
|
|
|
| 672 : |
|
|
Build: T 0 u, , H ; |
| 673 : |
pazsan
|
1.42
|
by: :douser ( ghost -- up-addr ) T @ H tup @ + ;DO |
| 674 : |
anton
|
1.1
|
Builder User |
| 675 : |
|
|
|
| 676 : |
pazsan
|
1.3
|
Build: T 0 u, , 0 u, drop H ; |
| 677 : |
|
|
by User |
| 678 : |
anton
|
1.1
|
Builder 2User |
| 679 : |
|
|
|
| 680 : |
pazsan
|
1.3
|
Build: T 0 au, , H ; |
| 681 : |
|
|
by User |
| 682 : |
anton
|
1.1
|
Builder AUser |
| 683 : |
|
|
|
| 684 : |
|
|
Build: ( n -- ) T , H ; |
| 685 : |
pazsan
|
1.42
|
by: :docon ( ghost -- n ) T @ H ;DO |
| 686 : |
anton
|
1.1
|
Builder Constant |
| 687 : |
|
|
|
| 688 : |
|
|
Build: ( n -- ) T A, H ; |
| 689 : |
|
|
by Constant |
| 690 : |
|
|
Builder AConstant |
| 691 : |
|
|
|
| 692 : |
pazsan
|
1.24
|
Build: ( d -- ) T , , H ; |
| 693 : |
|
|
DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
| 694 : |
|
|
Builder 2Constant |
| 695 : |
|
|
|
| 696 : |
anton
|
1.1
|
Build: T 0 , H ; |
| 697 : |
|
|
by Constant |
| 698 : |
|
|
Builder Value |
| 699 : |
|
|
|
| 700 : |
pazsan
|
1.32
|
Build: T 0 A, H ; |
| 701 : |
|
|
by Constant |
| 702 : |
|
|
Builder AValue |
| 703 : |
|
|
|
| 704 : |
anton
|
1.1
|
Build: ( -- ) compile noop ; |
| 705 : |
pazsan
|
1.42
|
by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
| 706 : |
anton
|
1.1
|
Builder Defer |
| 707 : |
pazsan
|
1.37
|
|
| 708 : |
|
|
Build: ( inter comp -- ) swap T immediate A, A, H ; |
| 709 : |
|
|
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
| 710 : |
anton
|
1.38
|
Builder interpret/compile: |
| 711 : |
pazsan
|
1.24
|
|
| 712 : |
|
|
\ Sturctures 23feb95py |
| 713 : |
|
|
|
| 714 : |
|
|
>CROSS |
| 715 : |
|
|
: nalign ( addr1 n -- addr2 ) |
| 716 : |
|
|
\ addr2 is the aligned version of addr1 wrt the alignment size n |
| 717 : |
|
|
1- tuck + swap invert and ; |
| 718 : |
|
|
>TARGET |
| 719 : |
|
|
|
| 720 : |
|
|
Build: >r rot r@ nalign dup T , H ( align1 size offset ) |
| 721 : |
|
|
+ swap r> nalign ; |
| 722 : |
pazsan
|
1.42
|
by: :dofield T @ H + ;DO |
| 723 : |
pazsan
|
1.24
|
Builder Field |
| 724 : |
|
|
|
| 725 : |
|
|
: struct T 0 1 chars H ; |
| 726 : |
|
|
: end-struct T 2Constant H ; |
| 727 : |
|
|
|
| 728 : |
|
|
: cells: ( n -- size align ) |
| 729 : |
|
|
T cells 1 cells H ; |
| 730 : |
|
|
|
| 731 : |
|
|
\ ' 2Constant Alias2 end-struct |
| 732 : |
|
|
\ 0 1 T Chars H 2Constant struct |
| 733 : |
anton
|
1.1
|
|
| 734 : |
|
|
\ structural conditionals 17dec92py |
| 735 : |
|
|
|
| 736 : |
|
|
>CROSS |
| 737 : |
|
|
: ?struc ( flag -- ) ABORT" CROSS: unstructured " ; |
| 738 : |
|
|
: sys? ( sys -- sys ) dup 0= ?struc ; |
| 739 : |
|
|
: >mark ( -- sys ) T here 0 , H ; |
| 740 : |
|
|
: >resolve ( sys -- ) T here over - swap ! H ; |
| 741 : |
|
|
: <resolve ( sys -- ) T here - , H ; |
| 742 : |
|
|
>TARGET |
| 743 : |
|
|
|
| 744 : |
|
|
\ Structural Conditionals 12dec92py |
| 745 : |
|
|
|
| 746 : |
|
|
Cond: BUT restrict? sys? swap ;Cond |
| 747 : |
|
|
Cond: YET restrict? sys? dup ;Cond |
| 748 : |
|
|
|
| 749 : |
|
|
>CROSS |
| 750 : |
|
|
Variable tleavings |
| 751 : |
|
|
>TARGET |
| 752 : |
|
|
|
| 753 : |
|
|
Cond: DONE ( addr -- ) restrict? tleavings @ |
| 754 : |
|
|
BEGIN 2dup u> 0= WHILE dup T @ H swap >resolve REPEAT |
| 755 : |
|
|
tleavings ! drop ;Cond |
| 756 : |
|
|
|
| 757 : |
|
|
>CROSS |
| 758 : |
|
|
: (leave T here H tleavings @ T , H tleavings ! ; |
| 759 : |
|
|
>TARGET |
| 760 : |
|
|
|
| 761 : |
|
|
Cond: LEAVE restrict? compile branch (leave ;Cond |
| 762 : |
|
|
Cond: ?LEAVE restrict? compile 0= compile ?branch (leave ;Cond |
| 763 : |
|
|
|
| 764 : |
|
|
\ Structural Conditionals 12dec92py |
| 765 : |
|
|
|
| 766 : |
|
|
Cond: AHEAD restrict? compile branch >mark ;Cond |
| 767 : |
|
|
Cond: IF restrict? compile ?branch >mark ;Cond |
| 768 : |
|
|
Cond: THEN restrict? sys? dup T @ H ?struc >resolve ;Cond |
| 769 : |
|
|
Cond: ELSE restrict? sys? compile AHEAD swap compile THEN ;Cond |
| 770 : |
|
|
|
| 771 : |
|
|
Cond: BEGIN restrict? T here H ;Cond |
| 772 : |
|
|
Cond: WHILE restrict? sys? compile IF swap ;Cond |
| 773 : |
|
|
Cond: AGAIN restrict? sys? compile branch <resolve ;Cond |
| 774 : |
|
|
Cond: UNTIL restrict? sys? compile ?branch <resolve ;Cond |
| 775 : |
|
|
Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond |
| 776 : |
|
|
|
| 777 : |
|
|
\ Structural Conditionals 12dec92py |
| 778 : |
|
|
|
| 779 : |
|
|
Cond: DO restrict? compile (do) T here H ;Cond |
| 780 : |
|
|
Cond: ?DO restrict? compile (?do) (leave T here H ;Cond |
| 781 : |
|
|
Cond: FOR restrict? compile (for) T here H ;Cond |
| 782 : |
|
|
|
| 783 : |
|
|
>CROSS |
| 784 : |
|
|
: loop] dup <resolve cell - compile DONE compile unloop ; |
| 785 : |
|
|
>TARGET |
| 786 : |
|
|
|
| 787 : |
|
|
Cond: LOOP restrict? sys? compile (loop) loop] ;Cond |
| 788 : |
|
|
Cond: +LOOP restrict? sys? compile (+loop) loop] ;Cond |
| 789 : |
|
|
Cond: NEXT restrict? sys? compile (next) loop] ;Cond |
| 790 : |
|
|
|
| 791 : |
|
|
\ String words 23feb93py |
| 792 : |
|
|
|
| 793 : |
|
|
: ," [char] " parse string, T align H ; |
| 794 : |
|
|
|
| 795 : |
|
|
Cond: ." restrict? compile (.") T ," H ;Cond |
| 796 : |
|
|
Cond: S" restrict? compile (S") T ," H ;Cond |
| 797 : |
|
|
Cond: ABORT" restrict? compile (ABORT") T ," H ;Cond |
| 798 : |
|
|
|
| 799 : |
|
|
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
| 800 : |
|
|
: IS T ' >body ! H ; |
| 801 : |
pazsan
|
1.9
|
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
| 802 : |
|
|
: TO T ' >body ! H ; |
| 803 : |
anton
|
1.1
|
|
| 804 : |
|
|
\ LINKED ERR" ENV" 2ENV" 18may93jaw |
| 805 : |
|
|
|
| 806 : |
|
|
\ linked list primitive |
| 807 : |
|
|
: linked T here over @ A, swap ! H ; |
| 808 : |
|
|
|
| 809 : |
|
|
: err" s" ErrLink linked" evaluate T , H |
| 810 : |
|
|
[char] " parse string, T align H ; |
| 811 : |
|
|
|
| 812 : |
|
|
: env" [char] " parse s" EnvLink linked" evaluate |
| 813 : |
|
|
string, T align , H ; |
| 814 : |
|
|
|
| 815 : |
|
|
: 2env" [char] " parse s" EnvLink linked" evaluate |
| 816 : |
|
|
here >r string, T align , , H |
| 817 : |
|
|
r> dup T c@ H 80 and swap T c! H ; |
| 818 : |
|
|
|
| 819 : |
|
|
\ compile must be last 22feb93py |
| 820 : |
|
|
|
| 821 : |
|
|
Cond: compile ( -- ) restrict? \ name |
| 822 : |
pazsan
|
1.13
|
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
| 823 : |
anton
|
1.1
|
0> IF gexecute |
| 824 : |
|
|
ELSE dup >magic @ <imm> = |
| 825 : |
|
|
IF gexecute |
| 826 : |
|
|
ELSE compile (compile) gexecute THEN THEN ;Cond |
| 827 : |
|
|
|
| 828 : |
|
|
Cond: postpone ( -- ) restrict? \ name |
| 829 : |
pazsan
|
1.13
|
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
| 830 : |
anton
|
1.1
|
0> IF gexecute |
| 831 : |
|
|
ELSE dup >magic @ <imm> = |
| 832 : |
|
|
IF gexecute |
| 833 : |
|
|
ELSE compile (compile) gexecute THEN THEN ;Cond |
| 834 : |
|
|
|
| 835 : |
|
|
>MINIMAL |
| 836 : |
|
|
also minimal |
| 837 : |
|
|
\ Usefull words 13feb93py |
| 838 : |
|
|
|
| 839 : |
|
|
: KB 400 * ; |
| 840 : |
|
|
|
| 841 : |
|
|
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
| 842 : |
|
|
|
| 843 : |
pazsan
|
1.13
|
: there? bl word gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
| 844 : |
anton
|
1.1
|
|
| 845 : |
|
|
: [IFDEF] there? postpone [IF] ; |
| 846 : |
|
|
: [IFUNDEF] there? 0= postpone [IF] ; |
| 847 : |
|
|
|
| 848 : |
|
|
\ C: \- \+ Conditional Compiling 09jun93jaw |
| 849 : |
|
|
|
| 850 : |
|
|
: C: >in @ there? 0= |
| 851 : |
|
|
IF >in ! T : H |
| 852 : |
|
|
ELSE drop |
| 853 : |
|
|
BEGIN bl word dup c@ |
| 854 : |
|
|
IF count comment? s" ;" compare 0= ?EXIT |
| 855 : |
|
|
ELSE refill 0= ABORT" CROSS: Out of Input while C:" |
| 856 : |
|
|
THEN |
| 857 : |
|
|
AGAIN |
| 858 : |
|
|
THEN ; |
| 859 : |
|
|
|
| 860 : |
|
|
also minimal |
| 861 : |
|
|
|
| 862 : |
|
|
: \- there? IF postpone \ THEN ; |
| 863 : |
|
|
: \+ there? 0= IF postpone \ THEN ; |
| 864 : |
|
|
|
| 865 : |
|
|
: [IF] postpone [IF] ; |
| 866 : |
|
|
: [THEN] postpone [THEN] ; |
| 867 : |
|
|
: [ELSE] postpone [ELSE] ; |
| 868 : |
|
|
|
| 869 : |
|
|
Cond: [IF] [IF] ;Cond |
| 870 : |
|
|
Cond: [IFDEF] [IFDEF] ;Cond |
| 871 : |
|
|
Cond: [IFUNDEF] [IFUNDEF] ;Cond |
| 872 : |
|
|
Cond: [THEN] [THEN] ;Cond |
| 873 : |
|
|
Cond: [ELSE] [ELSE] ;Cond |
| 874 : |
|
|
|
| 875 : |
|
|
\ save-cross 17mar93py |
| 876 : |
|
|
|
| 877 : |
|
|
\ i'm not interested in bigforth features this time 10may93jaw |
| 878 : |
|
|
\ [IFDEF] file |
| 879 : |
|
|
\ also file |
| 880 : |
|
|
\ [THEN] |
| 881 : |
|
|
\ included throw after create-file 11may93jaw |
| 882 : |
|
|
|
| 883 : |
anton
|
1.12
|
bigendian Constant bigendian |
| 884 : |
anton
|
1.1
|
|
| 885 : |
anton
|
1.34
|
Create magic s" Gforth10" here over allot swap move |
| 886 : |
pazsan
|
1.26
|
|
| 887 : |
anton
|
1.35
|
char 1 bigendian + cell + magic 7 + c! |
| 888 : |
pazsan
|
1.26
|
|
| 889 : |
anton
|
1.34
|
: save-cross ( "image-name" "binary-name" -- ) |
| 890 : |
|
|
bl parse ." Saving to " 2dup type cr |
| 891 : |
anton
|
1.1
|
w/o bin create-file throw >r |
| 892 : |
anton
|
1.34
|
s" #! " r@ write-file throw |
| 893 : |
|
|
bl parse r@ write-file throw |
| 894 : |
|
|
s" -i" r@ write-file throw |
| 895 : |
|
|
#lf r@ emit-file throw |
| 896 : |
|
|
r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) |
| 897 : |
|
|
?do |
| 898 : |
|
|
bl over emit-file throw |
| 899 : |
|
|
loop |
| 900 : |
|
|
drop |
| 901 : |
pazsan
|
1.26
|
magic 8 r@ write-file throw \ write magic |
| 902 : |
pazsan
|
1.16
|
image @ there r@ write-file throw \ write image |
| 903 : |
|
|
bit$ @ there 1- cell>bit rshift 1+ |
| 904 : |
|
|
r@ write-file throw \ write tags |
| 905 : |
anton
|
1.1
|
r> close-file throw ; |
| 906 : |
|
|
|
| 907 : |
|
|
\ words that should be in minimal |
| 908 : |
|
|
|
| 909 : |
|
|
: + + ; : 1- 1- ; |
| 910 : |
|
|
: - - ; : 2* 2* ; |
| 911 : |
pazsan
|
1.11
|
: * * ; : / / ; |
| 912 : |
anton
|
1.1
|
: dup dup ; : over over ; |
| 913 : |
|
|
: swap swap ; : rot rot ; |
| 914 : |
pazsan
|
1.19
|
: drop drop ; : = = ; |
| 915 : |
pazsan
|
1.13
|
: lshift lshift ; : 2/ 2/ ; |
| 916 : |
pazsan
|
1.19
|
: . . ; |
| 917 : |
pazsan
|
1.42
|
\ cell constant cell |
| 918 : |
|
|
|
| 919 : |
|
|
mach-file count included |
| 920 : |
anton
|
1.1
|
|
| 921 : |
|
|
\ include bug5.fs |
| 922 : |
|
|
\ only forth also minimal definitions |
| 923 : |
|
|
|
| 924 : |
pazsan
|
1.40
|
: \ postpone \ ; immediate |
| 925 : |
|
|
: ( postpone ( ; immediate |
| 926 : |
anton
|
1.1
|
: include bl word count included ; |
| 927 : |
|
|
: .( [char] ) parse type ; |
| 928 : |
|
|
: cr cr ; |
| 929 : |
|
|
|
| 930 : |
|
|
: times 0 ?DO dup T c, H LOOP drop ; \ used for space table creation |
| 931 : |
|
|
only forth also minimal definitions |
| 932 : |
|
|
|
| 933 : |
|
|
\ cross-compiler words |
| 934 : |
|
|
|
| 935 : |
|
|
: decimal decimal ; |
| 936 : |
|
|
: hex hex ; |
| 937 : |
|
|
|
| 938 : |
pazsan
|
1.3
|
: tudp T tudp H ; |
| 939 : |
pazsan
|
1.39
|
: tup T tup H ; |
| 940 : |
|
|
|
| 941 : |
|
|
: doc-off false T to-doc H ! ; |
| 942 : |
|
|
: doc-on true T to-doc H ! ; |
| 943 : |
|
|
|
| 944 : |
|
|
minimal |
| 945 : |
anton
|
1.1
|
|
| 946 : |
|
|
\ for debugging... |
| 947 : |
|
|
: order order ; |
| 948 : |
|
|
: words words ; |
| 949 : |
|
|
: .s .s ; |
| 950 : |
|
|
|
| 951 : |
|
|
: bye bye ; |
| 952 : |
|
|
|
| 953 : |
|
|
\ turnkey direction |
| 954 : |
|
|
: H forth ; immediate |
| 955 : |
|
|
: T minimal ; immediate |
| 956 : |
|
|
: G ghosts ; immediate |
| 957 : |
|
|
|
| 958 : |
|
|
: turnkey 0 set-order also Target definitions |
| 959 : |
|
|
also Minimal also ; |
| 960 : |
|
|
|
| 961 : |
|
|
\ these ones are pefered: |
| 962 : |
|
|
|
| 963 : |
|
|
: lock turnkey ; |
| 964 : |
|
|
: unlock forth also cross ; |
| 965 : |
|
|
|
| 966 : |
|
|
unlock definitions also minimal |
| 967 : |
|
|
: lock lock ; |
| 968 : |
|
|
lock |