[gforth] / gforth / cross.fs

gforth: gforth/cross.fs

1 :	anton	1.1	\ CROSS.FS The Cross-Compiler 06oct92py
2 :			\ Idea and implementation: Bernd Paysan (py)
3 :	anton	1.30
4 :	anton	1.86	\ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
5 :	anton	1.30
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 :	anton	1.87	\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
21 :	anton	1.1
22 :	jwilke	1.67	0
23 :			[IF]
24 :
25 :			ToDo:
26 :			Crossdoc destination ./doc/crossdoc.fd makes no sense when
27 :			cross.fs is uses seperately. jaw
28 :			Do we need this char translation with >address and in branchoffset?
29 :			(>body also affected) jaw
30 :			Clean up mark> and >resolve stuff jaw
31 :
32 :			[THEN]
33 :	anton	1.48
34 :	jwilke	1.77	hex
35 :
36 :			\ debugging for compiling
37 :
38 :			\ print stack at each colon definition
39 :			\ : : save-input cr bl word count type restore-input throw .s : ;
40 :
41 :			\ print stack at each created word
42 :			\ : create save-input cr bl word count type restore-input throw .s create ;
43 :
44 :
45 :			\ \ ------------- Setup Vocabularies
46 :
47 :			\ Remark: Vocabulary is not ANS, but it should work...
48 :
49 :			Vocabulary Cross
50 :			Vocabulary Target
51 :			Vocabulary Ghosts
52 :			Vocabulary Minimal
53 :			only Forth also Target also also
54 :			definitions Forth
55 :
56 :	jwilke	1.78	: T previous Ghosts also Target ; immediate
57 :	jwilke	1.77	: G Ghosts ; immediate
58 :			: H previous Forth also Cross ; immediate
59 :
60 :			forth definitions
61 :
62 :	jwilke	1.78	: T previous Ghosts also Target ; immediate
63 :	jwilke	1.77	: G Ghosts ; immediate
64 :
65 :			: >cross also Cross definitions previous ;
66 :			: >target also Target definitions previous ;
67 :			: >minimal also Minimal definitions previous ;
68 :
69 :			H
70 :
71 :			>CROSS
72 :
73 :			\ find out whether we are compiling with gforth
74 :
75 :			: defined? bl word find nip ;
76 :			defined? emit-file defined? toupper and \ drop 0
77 :			[IF]
78 :			\ use this in a gforth system
79 :			: \GFORTH ; immediate
80 :			: \ANSI postpone \ ; immediate
81 :			[ELSE]
82 :			: \GFORTH postpone \ ; immediate
83 :			: \ANSI ; immediate
84 :			[THEN]
85 :
86 :			\ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
87 :			\ANSI : [IFDEF] defined? postpone [IF] ; immediate
88 :			0 \ANSI drop 1
89 :			[IF]
90 :			: \G postpone \ ; immediate
91 :			: rdrop postpone r> postpone drop ; immediate
92 :			: name bl word count ;
93 :			: bounds over + swap ;
94 :			: scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
95 :			: linked here over @ , swap ! ;
96 :			: alias create , DOES> @ EXECUTE ;
97 :			: defer ['] noop alias ;
98 :			: is state @
99 :			IF ' >body postpone literal postpone !
100 :			ELSE ' >body ! THEN ; immediate
101 :			: 0>= 0< 0= ;
102 :			: d<> rot <> -rot <> or ;
103 :			: toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
104 :			Variable ebuf
105 :			: emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
106 :			0a Constant #lf
107 :			0d Constant #cr
108 :
109 :			[IFUNDEF] Warnings Variable Warnings [THEN]
110 :
111 :			\ \ Number parsing 23feb93py
112 :
113 :			\ number? number 23feb93py
114 :
115 :			Variable dpl
116 :
117 :			hex
118 :			Create bases 10 , 2 , A , 100 ,
119 :			\ 16 2 10 character
120 :
121 :			\ !! protect BASE saving wrapper against exceptions
122 :			: getbase ( addr u -- addr' u' )
123 :			over c@ [char] $ - dup 4 u<
124 :			IF
125 :			cells bases + @ base ! 1 /string
126 :			ELSE
127 :			drop
128 :			THEN ;
129 :
130 :			: sign? ( addr u -- addr u flag )
131 :			over c@ [char] - = dup >r
132 :			IF
133 :			1 /string
134 :			THEN
135 :			r> ;
136 :
137 :			: s>unumber? ( addr u -- ud flag )
138 :	jwilke	1.78	over [char] ' =
139 :			IF \ a ' alone is rather unusual :-)
140 :			drop char+ c@ 0 true EXIT
141 :			THEN
142 :	jwilke	1.77	base @ >r dpl on getbase
143 :			0. 2swap
144 :			BEGIN ( d addr len )
145 :			dup >r >number dup
146 :			WHILE \ there are characters left
147 :			dup r> -
148 :			WHILE \ the last >number parsed something
149 :			dup 1- dpl ! over c@ [char] . =
150 :			WHILE \ the current char is '.'
151 :			1 /string
152 :			REPEAT THEN \ there are unparseable characters left
153 :			2drop false
154 :			ELSE
155 :			rdrop 2drop true
156 :			THEN
157 :			r> base ! ;
158 :
159 :			\ ouch, this is complicated; there must be a simpler way - anton
160 :			: s>number? ( addr len -- d f )
161 :			\ converts string addr len into d, flag indicates success
162 :			sign? >r
163 :			s>unumber?
164 :			0= IF
165 :			rdrop false
166 :			ELSE \ no characters left, all ok
167 :			r>
168 :			IF
169 :			dnegate
170 :			THEN
171 :			true
172 :			THEN ;
173 :
174 :			: s>number ( addr len -- d )
175 :			\ don't use this, there is no way to tell success
176 :			s>number? drop ;
177 :
178 :			: snumber? ( c-addr u -- 0 / n -1 / d 0> )
179 :			s>number? 0=
180 :			IF
181 :			2drop false EXIT
182 :			THEN
183 :			dpl @ dup 0< IF
184 :			nip
185 :			ELSE
186 :			1+
187 :			THEN ;
188 :
189 :			: number? ( string -- string 0 / n -1 / d 0> )
190 :			dup >r count snumber? dup if
191 :			rdrop
192 :			else
193 :			r> swap
194 :			then ;
195 :
196 :			: number ( string -- d )
197 :			number? ?dup 0= abort" ?" 0<
198 :			IF
199 :			s>d
200 :			THEN ;
201 :
202 :			[THEN]
203 :	anton	1.48
204 :	jwilke	1.52	hex \ the defualt base for the cross-compiler is hex !!
205 :	jwilke	1.78	\ Warnings off
206 :	jwilke	1.52
207 :			\ words that are generaly useful
208 :
209 :	pazsan	1.59	: KB 400 * ;
210 :	jwilke	1.52	: >wordlist ( vocabulary-xt -- wordlist-struct )
211 :			also execute get-order swap >r 1- set-order r> ;
212 :
213 :			: umax 2dup u< IF swap THEN drop ;
214 :			: umin 2dup u> IF swap THEN drop ;
215 :	anton	1.1
216 :	pazsan	1.23	: string, ( c-addr u -- )
217 :			\ puts down string as cstring
218 :			dup c, here swap chars dup allot move ;
219 :	pazsan	1.5
220 :	jwilke	1.77	: ," [char] " parse string, ;
221 :
222 :	jwilke	1.52	: SetValue ( n -- <name> )
223 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
224 :			\G Same behaviour as "to" if <name> is defined
225 :	jwilke	1.52	\G SetValue searches in the current vocabulary
226 :	jwilke	1.68	save-input bl word >r restore-input throw r> count
227 :			get-current search-wordlist
228 :			IF drop >r
229 :			\ we have to set current to be topmost context wordlist
230 :			get-order get-order get-current swap 1+ set-order
231 :			r> ['] to execute
232 :	jwilke	1.74	set-order
233 :	jwilke	1.68	ELSE Value THEN ;
234 :	jwilke	1.52
235 :			: DefaultValue ( n -- <name> )
236 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
237 :			\G DefaultValue searches in the current vocabulary
238 :	jwilke	1.52	save-input bl word >r restore-input throw r> count
239 :			get-current search-wordlist
240 :	pazsan	1.56	IF bl word drop 2drop ELSE Value THEN ;
241 :	anton	1.1
242 :			hex
243 :
244 :	jwilke	1.52	\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
245 :			\ for cross-compiling
246 :			\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
247 :
248 :			: comment? ( c-addr u -- c-addr u )
249 :			2dup s" (" compare 0=
250 :			IF postpone (
251 :			ELSE 2dup s" \" compare 0= IF postpone \ THEN
252 :			THEN ;
253 :
254 :			\ Begin CROSS COMPILER:
255 :
256 :	jwilke	1.74	\ debugging
257 :	jwilke	1.52
258 :	jwilke	1.74	0 [IF]
259 :
260 :			This implements debugflags for the cross compiler and the compiled
261 :			images. It works identical to the has-flags in the environment.
262 :			The debugflags are defined in a vocabluary. If the word exists and
263 :			its value is true, the flag is switched on.
264 :
265 :			[THEN]
266 :
267 :	jwilke	1.77	>CROSS
268 :
269 :	jwilke	1.74	Vocabulary debugflags \ debug flags for cross
270 :			also debugflags get-order over
271 :			Constant debugflags-wl
272 :			set-order previous
273 :
274 :			: DebugFlag
275 :			get-current >r debugflags-wl set-current
276 :			SetValue
277 :			r> set-current ;
278 :
279 :			: Debug? ( adr u -- flag )
280 :			\G return true if debug flag is defined or switched on
281 :			debugflags-wl search-wordlist
282 :			IF EXECUTE
283 :			ELSE false THEN ;
284 :
285 :			: D? ( <name> -- flag )
286 :			\G return true if debug flag is defined or switched on
287 :			\G while compiling we do not return the current value but
288 :			bl word count debug? ;
289 :
290 :			: [d?]
291 :			\G compile the value-xt so the debug flag can be switched
292 :			\G the flag must exist!
293 :			bl word count debugflags-wl search-wordlist
294 :			IF compile,
295 :			ELSE -1 ABORT" unknown debug flag"
296 :			\ POSTPONE false
297 :			THEN ; immediate
298 :	pazsan	1.54
299 :	jwilke	1.77	\ \ -------------------- source file
300 :
301 :			decimal
302 :
303 :			Variable cross-file-list
304 :			0 cross-file-list !
305 :			Variable target-file-list
306 :			0 target-file-list !
307 :			Variable host-file-list
308 :			0 host-file-list !
309 :
310 :			cross-file-list Value file-list
311 :			0 Value source-desc
312 :
313 :			\ file loading
314 :
315 :			: >fl-id 1 cells + ;
316 :			: >fl-name 2 cells + ;
317 :
318 :			Variable filelist 0 filelist !
319 :			Create NoFile ," #load-file#"
320 :
321 :			: loadfile ( -- adr )
322 :			source-desc ?dup IF >fl-name ELSE NoFile THEN ;
323 :
324 :			: sourcefilename ( -- adr len )
325 :			loadfile count ;
326 :
327 :			\ANSI : sourceline# 0 ;
328 :
329 :			\ \ -------------------- path handling from kernel/paths.fs
330 :
331 :			\ paths.fs path file handling 03may97jaw
332 :
333 :			\ -Changing the search-path:
334 :			\ fpath+ <path> adds a directory to the searchpath
335 :			\ fpath= <path>\|<path> makes complete now searchpath
336 :			\ seperator is \|
337 :			\ .fpath displays the search path
338 :			\ remark I:
339 :			\ a ./ in the beginning of filename is expanded to the directory the
340 :			\ current file comes from. ./ can also be included in the search-path!
341 :			\ ~+/ loads from the current working directory
342 :
343 :			\ remark II:
344 :			\ if there is no sufficient space for the search path increase it!
345 :
346 :
347 :			\ -Creating custom paths:
348 :
349 :			\ It is possible to use the search mechanism on yourself.
350 :
351 :			\ Make a buffer for the path:
352 :			\ create mypath 100 chars , \ maximum length (is checked)
353 :			\ 0 , \ real len
354 :			\ 100 chars allot \ space for path
355 :			\ use the same functions as above with:
356 :			\ mypath path+
357 :			\ mypath path=
358 :			\ mypath .path
359 :
360 :			\ do a open with the search path:
361 :			\ open-path-file ( adr len path -- fd adr len ior )
362 :			\ the file is opened read-only; if the file is not found an error is generated
363 :
364 :			\ questions to: wilke@jwdt.com
365 :
366 :			[IFUNDEF] +place
367 :			: +place ( adr len adr )
368 :			2dup >r >r
369 :			dup c@ char+ + swap move
370 :			r> r> dup c@ rot + swap c! ;
371 :			[THEN]
372 :
373 :			[IFUNDEF] place
374 :			: place ( c-addr1 u c-addr2 )
375 :			2dup c! char+ swap move ;
376 :			[THEN]
377 :
378 :			\ if we have path handling, use this and the setup of it
379 :			[IFUNDEF] open-fpath-file
380 :
381 :			create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
382 :			sourcepath value fpath
383 :
384 :			: also-path ( adr len path^ -- )
385 :			>r
386 :			\ len check
387 :			r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
388 :			\ copy into
389 :			tuck r@ cell+ dup @ cell+ + swap cmove
390 :			\ make delimiter
391 :			0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
392 :			;
393 :
394 :			: only-path ( adr len path^ -- )
395 :			dup 0 swap cell+ ! also-path ;
396 :
397 :			: path+ ( path-addr "dir" -- ) \ gforth
398 :			\G Add the directory @var{dir} to the search path @var{path-addr}.
399 :			name rot also-path ;
400 :
401 :			: fpath+ ( "dir" ) \ gforth
402 :			\G Add directory @var{dir} to the Forth search path.
403 :			fpath path+ ;
404 :
405 :			: path= ( path-addr "dir1\|dir2\|dir3" ) \ gforth
406 :			\G Make a complete new search path; the path separator is \|.
407 :			name 2dup bounds ?DO i c@ [char] \| = IF 0 i c! THEN LOOP
408 :			rot only-path ;
409 :
410 :			: fpath= ( "dir1\|dir2\|dir3" ) \ gforth
411 :			\G Make a complete new Forth search path; the path separator is \|.
412 :			fpath path= ;
413 :
414 :			: path>counted cell+ dup cell+ swap @ ;
415 :
416 :			: next-path ( adr len -- adr2 len2 )
417 :			2dup 0 scan
418 :			dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
419 :			>r 1+ -rot r@ 1- -rot
420 :			r> - ;
421 :
422 :			: previous-path ( path^ -- )
423 :			dup path>counted
424 :			BEGIN tuck dup WHILE repeat ;
425 :
426 :			: .path ( path-addr -- ) \ gforth
427 :			\G Display the contents of the search path @var{path-addr}.
428 :			path>counted
429 :			BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
430 :
431 :			: .fpath ( -- ) \ gforth
432 :			\G Display the contents of the Forth search path.
433 :			fpath .path ;
434 :
435 :			: absolut-path? ( addr u -- flag ) \ gforth
436 :			\G A path is absolute if it starts with a / or a ~ (~ expansion),
437 :			\G or if it is in the form ./*, extended regexp: ^[/~]\|./, or if
438 :			\G it has a colon as second character ("C:..."). Paths simply
439 :			\G containing a / are not absolute!
440 :			2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
441 :			over c@ [char] / = >r
442 :			over c@ [char] ~ = >r
443 :			\ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic
444 :			2 min S" ./" compare 0=
445 :			r> r> r> or or or ;
446 :
447 :			Create ofile 0 c, 255 chars allot
448 :			Create tfile 0 c, 255 chars allot
449 :
450 :			: pathsep? dup [char] / = swap [char] \ = or ;
451 :
452 :			: need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
453 :
454 :			: extractpath ( adr len -- adr len2 )
455 :			BEGIN dup WHILE 1-
456 :			2dup + c@ pathsep? IF EXIT THEN
457 :			REPEAT ;
458 :
459 :			: remove~+ ( -- )
460 :			ofile count 3 min s" ~+/" compare 0=
461 :			IF
462 :			ofile count 3 /string ofile place
463 :			THEN ;
464 :
465 :			: expandtopic ( -- ) \ stack effect correct? - anton
466 :			\ expands "./" into an absolute name
467 :			ofile count 2 min s" ./" compare 0=
468 :			IF
469 :			ofile count 1 /string tfile place
470 :			0 ofile c! sourcefilename extractpath ofile place
471 :			ofile c@ IF need/ THEN
472 :			tfile count over c@ pathsep? IF 1 /string THEN
473 :			ofile +place
474 :			THEN ;
475 :
476 :			: compact.. ( adr len -- adr2 len2 )
477 :	pazsan	1.85	\ deletes phrases like "xy/.." out of our directory name 2dec97jaw
478 :			over swap
479 :			BEGIN dup WHILE
480 :			dup >r '/ scan 2dup 4 min s" /../" compare 0=
481 :			IF
482 :			dup r> - >r 4 /string over r> + 4 -
483 :			swap 2dup + >r move dup r> over -
484 :			ELSE
485 :			rdrop dup 1 min /string
486 :			THEN
487 :			REPEAT drop over - ;
488 :	jwilke	1.77
489 :			: reworkdir ( -- )
490 :			remove~+
491 :			ofile count compact..
492 :			nip ofile c! ;
493 :
494 :			: open-ofile ( -- fid ior )
495 :			\G opens the file whose name is in ofile
496 :			expandtopic reworkdir
497 :			ofile count r/o open-file ;
498 :
499 :			: check-path ( adr1 len1 adr2 len2 -- fd 0 \| 0 <>0 )
500 :			0 ofile ! >r >r ofile place need/
501 :			r> r> ofile +place
502 :			open-ofile ;
503 :
504 :			: open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 \| ior ) \ gforth
505 :			\G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
506 :			\G If found, the resulting path and an open file descriptor
507 :			\G are returned. If the file is not found, @var{ior} is non-zero.
508 :			>r
509 :			2dup absolut-path?
510 :			IF rdrop
511 :			ofile place open-ofile
512 :			dup 0= IF >r ofile count r> THEN EXIT
513 :			ELSE r> path>counted
514 :			BEGIN next-path dup
515 :			WHILE 5 pick 5 pick check-path
516 :			0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
517 :			REPEAT
518 :			2drop 2drop 2drop -38
519 :			THEN ;
520 :
521 :			: open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 \| ior ) \ gforth
522 :			\G Look in the Forth search path for the file specified by @var{addr1 u1}.
523 :			\G If found, the resulting path and an open file descriptor
524 :			\G are returned. If the file is not found, @var{ior} is non-zero.
525 :			fpath open-path-file ;
526 :
527 :			fpath= ~+
528 :
529 :			[THEN]
530 :
531 :			\ \ -------------------- include require 13may99jaw
532 :
533 :			>CROSS
534 :
535 :			: add-included-file ( adr len -- adr )
536 :			dup >fl-name char+ allocate throw >r
537 :			file-list @ r@ ! r@ file-list !
538 :			r@ >fl-name place r> ;
539 :
540 :			: included? ( c-addr u -- f )
541 :			file-list
542 :			BEGIN @ dup
543 :			WHILE >r 2dup r@ >fl-name count compare 0=
544 :			IF rdrop 2drop true EXIT THEN
545 :			r>
546 :			REPEAT
547 :			2drop drop false ;
548 :
549 :			false DebugFlag showincludedfiles
550 :
551 :			: included1 ( fd adr u -- )
552 :			\ include file adr u / fd
553 :			\ we don't use fd with include-file, because the forth system
554 :			\ doesn't know the name of the file to get a nice error report
555 :			[d?] showincludedfiles
556 :			IF cr ." Including: " 2dup type ." ..." THEN
557 :			rot close-file throw
558 :			source-desc >r
559 :			add-included-file to source-desc
560 :			sourcefilename
561 :			['] included catch
562 :			r> to source-desc
563 :			throw ;
564 :
565 :			: included ( adr len -- )
566 :			cross-file-list to file-list
567 :			open-fpath-file throw
568 :			included1 ;
569 :
570 :			: required ( adr len -- )
571 :			cross-file-list to file-list
572 :			open-fpath-file throw \ 2dup cr ." R:" type
573 :			2dup included?
574 :			IF 2drop close-file throw
575 :			ELSE included1
576 :			THEN ;
577 :
578 :			: include bl word count included ;
579 :
580 :			: require bl word count required ;
581 :
582 :	jwilke	1.78	0 [IF]
583 :
584 :	jwilke	1.77	also forth definitions previous
585 :
586 :			: included ( adr len -- ) included ;
587 :
588 :			: required ( adr len -- ) required ;
589 :
590 :			: include include ;
591 :
592 :			: require require ;
593 :
594 :	jwilke	1.78	[THEN]
595 :
596 :	jwilke	1.77	>CROSS
597 :			hex
598 :
599 :			\ \ -------------------- Error Handling 05aug97jaw
600 :
601 :			\ Flags
602 :
603 :			also forth definitions \ these values may be predefined before
604 :			\ the cross-compiler is loaded
605 :
606 :			false DefaultValue stack-warn \ check on empty stack at any definition
607 :			false DefaultValue create-forward-warn \ warn on forward declaration of created words
608 :
609 :			previous >CROSS
610 :
611 :			: .dec
612 :			base @ decimal swap . base ! ;
613 :
614 :			: .sourcepos
615 :			cr sourcefilename type ." :"
616 :			sourceline# .dec ;
617 :
618 :			: warnhead
619 :			\G display error-message head
620 :			\G perhaps with linenumber and filename
621 :			.sourcepos ." Warning: " ;
622 :
623 :			: empty? depth IF .sourcepos ." Stack not empty!" THEN ;
624 :
625 :			stack-warn [IF]
626 :			: defempty? empty? ;
627 :			[ELSE]
628 :			: defempty? ; immediate
629 :			[THEN]
630 :
631 :	jwilke	1.103	\ Ghost Builder 06oct92py
632 :
633 :			hex
634 :			4711 Constant <fwd> 4712 Constant <res>
635 :			4713 Constant <imm> 4714 Constant <do:>
636 :			4715 Constant <skip>
637 :
638 :			1 Constant <unique>
639 :
640 :			Struct
641 :	jwilke	1.52
642 :	jwilke	1.103	\ link to next ghost (always the first element)
643 :			cell% field >next-ghost
644 :	jwilke	1.52
645 :	jwilke	1.103	\ type of ghost
646 :			cell% field >magic
647 :
648 :			\ pointer where ghost is in target, or if unresolved
649 :			\ points to the where we have to resolve (linked-list)
650 :			cell% field >link
651 :	jwilke	1.52
652 :	jwilke	1.103	\ execution symantics (while target compiling) of ghost
653 :			cell% field >exec
654 :	jwilke	1.52
655 :	jwilke	1.103	cell% field >exec-compile
656 :	jwilke	1.52
657 :	jwilke	1.103	cell% field >exec2
658 :	jwilke	1.52
659 :	jwilke	1.103	cell% field >created
660 :	jwilke	1.52
661 :	jwilke	1.103	\ the xt of the created ghost word itself
662 :			cell% field >ghost-xt
663 :	jwilke	1.52
664 :	jwilke	1.103	\ pointer to the counted string of the assiciated
665 :			\ assembler label
666 :			cell% field >asm-name
667 :	jwilke	1.52
668 :	jwilke	1.103	\ mapped primitives have a special address, so
669 :			\ we are able to detect them
670 :			cell% field >asm-dummyaddr
671 :
672 :			\ for builder (create, variable...) words
673 :			\ the execution symantics of words built are placed here
674 :			\ this is a doer ghost or a dummy ghost
675 :			cell% field >do:ghost
676 :	pazsan	1.93
677 :	jwilke	1.103	cell% field >ghost-flags
678 :	pazsan	1.93
679 :	jwilke	1.103	cell% field >ghost-name
680 :	jwilke	1.52
681 :	jwilke	1.103	End-Struct ghost-struct
682 :	jwilke	1.52
683 :	jwilke	1.103	Variable ghost-list
684 :			0 ghost-list !
685 :	jwilke	1.52
686 :			Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
687 :	jwilke	1.103	\ Variable last-ghost \ last ghost that is created
688 :	jwilke	1.52	Variable last-header-ghost \ last ghost definitions with header
689 :
690 :	jwilke	1.103	\ space for ghosts resolve structure
691 :			\ we create ghosts in a sepearte space
692 :			\ and not to the current host dp, because this
693 :			\ gives trouble with instant while compiling and creating
694 :			\ a ghost for a forward reference
695 :			\ BTW: we cannot allocate another memory region
696 :			\ because allot will check the overflow!!
697 :			Variable cross-space-dp
698 :			Create cross-space 250000 allot here 100 allot align
699 :			Constant cross-space-end
700 :			cross-space cross-space-dp !
701 :			Variable cross-space-dp-orig
702 :
703 :			: cross-space-used cross-space-dp @ cross-space - ;
704 :
705 :			: >space ( -- )
706 :			dp @ cross-space-dp-orig !
707 :			cross-space-dp @ dp ! ;
708 :
709 :			: space> ( -- )
710 :			dp @ dup cross-space-dp !
711 :			cross-space-end u> ABORT" CROSS: cross-space overflow"
712 :			cross-space-dp-orig @ dp ! ;
713 :
714 :			: execute-exec execute ;
715 :			: execute-exec2 execute ;
716 :			: execute-exec-compile execute ;
717 :
718 :			: NoExec
719 :			executed-ghost @ >exec2 @
720 :			?dup
721 :			IF execute-exec2
722 :			ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
723 :			THEN ;
724 :
725 :			: (ghostheader) ( -- )
726 :			ghost-list linked <fwd> , 0 , ['] NoExec , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
727 :
728 :			: ghostheader ( -- ) (ghostheader) 0 , ;
729 :
730 :			' Ghosts >wordlist Constant ghosts-wordlist
731 :
732 :			\ the current wordlist for ghost definitions in the host
733 :			ghosts-wordlist Value current-ghosts
734 :
735 :	jwilke	1.52	: Make-Ghost ( "name" -- ghost )
736 :	jwilke	1.103	>space
737 :			\ save current and create in ghost vocabulary
738 :			get-current >r current-ghosts set-current
739 :			>in @ Create >in !
740 :			\ some forth systems like iForth need the immediate directly
741 :			\ after the word is created
742 :			\ restore current
743 :			r> set-current
744 :			here (ghostheader)
745 :			bl word count string, align
746 :			space>
747 :			\ set ghost-xt field by doing a search
748 :			dup >ghost-name count
749 :			current-ghosts search-wordlist
750 :			0= ABORT" CROSS: Just created, must be there!"
751 :			over >ghost-xt !
752 :			DOES>
753 :			dup executed-ghost !
754 :			>exec @ execute-exec ;
755 :	jwilke	1.52
756 :			\ ghost words 14oct92py
757 :			\ changed: 10may93py/jaw
758 :
759 :	jwilke	1.103	Defer search-ghosts
760 :
761 :			: (search-ghosts) ( adr len -- cfa true \| 0 )
762 :			current-ghosts search-wordlist ;
763 :
764 :			' (search-ghosts) IS search-ghosts
765 :
766 :			: gsearch ( addr len -- ghost true \| 0 )
767 :			search-ghosts
768 :			dup IF swap >body swap THEN ;
769 :
770 :			: gfind ( string -- ghost true / string false )
771 :	jwilke	1.52	\ searches for string in word-list ghosts
772 :	jwilke	1.103	\ dup count type space
773 :			dup >r count gsearch
774 :			dup IF rdrop ELSE r> swap THEN ;
775 :	jwilke	1.52
776 :			: gdiscover ( xt -- ghost true \| xt false )
777 :	jwilke	1.103	>r ghost-list
778 :	jwilke	1.52	BEGIN @ dup
779 :	jwilke	1.103	WHILE dup >magic @ <fwd> <>
780 :			IF dup >link @ r@ =
781 :			IF rdrop true EXIT THEN
782 :			THEN
783 :	jwilke	1.52	REPEAT
784 :	jwilke	1.103	drop r> false ;
785 :	jwilke	1.52
786 :	jwilke	1.103	: Ghost ( "name" -- ghost )
787 :			>in @ bl word gfind IF nip EXIT THEN
788 :	jwilke	1.52	drop >in ! Make-Ghost ;
789 :
790 :			: >ghostname ( ghost -- adr len )
791 :	jwilke	1.103	>ghost-name count ;
792 :
793 :			: forward? ( ghost -- flag )
794 :			>magic @ <fwd> = ;
795 :
796 :			: undefined? ( ghost -- flag )
797 :			>magic @ dup <fwd> = swap <skip> = or ;
798 :
799 :			: immediate? ( ghost -- flag )
800 :			>magic @ <imm> = ;
801 :
802 :			Variable TWarnings
803 :			TWarnings on
804 :			Variable Exists-Warnings
805 :			Exists-Warnings on
806 :
807 :			: exists-warning ( ghost -- ghost )
808 :			TWarnings @ Exists-Warnings @ and
809 :			IF dup >ghostname warnhead type ." exists " THEN ;
810 :
811 :			\ : HeaderGhost Ghost ;
812 :
813 :			Variable reuse-ghosts reuse-ghosts off
814 :
815 :			1 [IF] \ FIXME: define when vocs are ready
816 :			: HeaderGhost ( "name" -- ghost )
817 :			>in @
818 :			bl word count
819 :			\ 2dup type space
820 :			current-ghosts search-wordlist
821 :			IF >body dup undefined? reuse-ghosts @ or
822 :			IF nip EXIT
823 :			ELSE exists-warning
824 :			THEN
825 :			drop >in !
826 :			ELSE >in !
827 :			THEN
828 :			\ we keep the execution semantics of the prviously
829 :			\ defined words, this is a workaround
830 :			\ for the redefined \ until vocs work
831 :			Make-Ghost ;
832 :			[THEN]
833 :	jwilke	1.52
834 :	jwilke	1.103
835 :	jwilke	1.78	: .ghost ( ghost -- ) >ghostname type ;
836 :
837 :	jwilke	1.77	\ ' >ghostname ALIAS @name
838 :	jwilke	1.52
839 :	jwilke	1.103	: [G'] ( -- ghost : name )
840 :			\G ticks a ghost and returns its address
841 :			\ bl word gfind 0= ABORT" CROSS: Ghost don't exists"
842 :			ghost state @ IF postpone literal THEN ; immediate
843 :
844 :			: ghost>cfa ( ghost -- cfa )
845 :			dup undefined? ABORT" CROSS: forward " >link @ ;
846 :
847 :			1 Constant <label>
848 :	jwilke	1.52
849 :	jwilke	1.103	Struct
850 :			\ bitmask of address type (not used for now)
851 :			cell% field addr-type
852 :			\ if this address is an xt, this field points to the ghost
853 :			cell% field addr-xt-ghost
854 :			\ a bit mask that tells as what part of the cell
855 :			\ is refenced from an address pointer, used for assembler generation
856 :			cell% field addr-refs
857 :			End-Struct addr-struct
858 :
859 :			: %allocerase ( align size -- addr )
860 :			dup >r %alloc dup r> erase ;
861 :
862 :			\ returns the addr struct, define it if 0 reference
863 :			: define-addr-struct ( addr -- struct-addr )
864 :			dup @ ?dup IF nip EXIT THEN
865 :			addr-struct %allocerase tuck swap ! ;
866 :	jwilke	1.75
867 :	jwilke	1.52	\ Predefined ghosts 12dec92py
868 :
869 :	jwilke	1.103	Ghost 0= drop
870 :			Ghost branch Ghost ?branch 2drop
871 :			Ghost (do) Ghost (?do) 2drop
872 :			Ghost (for) drop
873 :			Ghost (loop) Ghost (+loop) 2drop
874 :			Ghost (next) drop
875 :			Ghost unloop Ghost ;S 2drop
876 :			Ghost lit Ghost (compile) Ghost ! 2drop drop
877 :			Ghost (does>) Ghost noop 2drop
878 :			Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
879 :			Ghost ' drop
880 :			Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
881 :			Ghost :dovar drop
882 :			Ghost over Ghost = Ghost drop 2drop drop
883 :			Ghost - drop
884 :			Ghost 2drop drop
885 :			Ghost 2dup drop
886 :
887 :
888 :	jwilke	1.52
889 :			\ \ Parameter for target systems 06oct92py
890 :
891 :	jwilke	1.103
892 :			>cross
893 :	jwilke	1.52	\ we define it ans like...
894 :			wordlist Constant target-environment
895 :
896 :	jwilke	1.103	\ save information of current dictionary to restore with environ>
897 :			Variable env-current
898 :	jwilke	1.52
899 :			: >ENVIRON get-current env-current ! target-environment set-current ;
900 :			: ENVIRON> env-current @ set-current ;
901 :	pazsan	1.43
902 :	anton	1.48	>TARGET
903 :	pazsan	1.43
904 :	jwilke	1.103	: environment? ( addr len -- [ x ] true \| false )
905 :			\G returns the content of environment variable and true or
906 :			\G false if not present
907 :			target-environment search-wordlist
908 :			IF EXECUTE true ELSE false THEN ;
909 :
910 :			: $has? ( addr len -- x \| false )
911 :			\G returns the content of environment variable
912 :			\G or false if not present
913 :			T environment? H dup IF drop THEN ;
914 :
915 :			: e? ( "name" -- x )
916 :			\G returns the content of environment variable.
917 :			\G The variable is expected to exist. If not, issue an error.
918 :			bl word count T environment? H
919 :			0= ABORT" environment variable not defined!" ;
920 :
921 :			: has? ( "name" --- x \| false )
922 :			\G returns the content of environment variable
923 :			\G or false if not present
924 :			bl word count T $has? H ;
925 :	jwilke	1.52
926 :	anton	1.48
927 :	pazsan	1.54	>ENVIRON get-order get-current swap 1+ set-order
928 :			true SetValue compiler
929 :	pazsan	1.83	true SetValue cross
930 :	pazsan	1.54	true SetValue standard-threading
931 :			>TARGET previous
932 :	jwilke	1.52
933 :	jwilke	1.77	0
934 :	jwilke	1.103	[IFDEF] mach-file drop mach-file count 1 [THEN]
935 :			[IFDEF] machine-file drop machine-file 1 [THEN]
936 :			[IF] included hex
937 :	jwilke	1.77	[ELSE] cr ." No machine description!" ABORT
938 :			[THEN]
939 :	pazsan	1.43
940 :	jwilke	1.53	>ENVIRON
941 :
942 :	pazsan	1.54	T has? ec H
943 :			[IF]
944 :			false DefaultValue relocate
945 :			false DefaultValue file
946 :			false DefaultValue OS
947 :			false DefaultValue prims
948 :			false DefaultValue floating
949 :			false DefaultValue glocals
950 :			false DefaultValue dcomps
951 :			false DefaultValue hash
952 :			false DefaultValue xconds
953 :			false DefaultValue header
954 :			[THEN]
955 :
956 :			true DefaultValue interpreter
957 :			true DefaultValue ITC
958 :			false DefaultValue rom
959 :	jwilke	1.73	true DefaultValue standardthreading
960 :	jwilke	1.53
961 :	jwilke	1.52	>TARGET
962 :	jwilke	1.53	s" relocate" T environment? H
963 :	jwilke	1.103	\ JAW why set NIL to this?!
964 :			[IF] drop \ SetValue NIL
965 :	jwilke	1.53	[ELSE] >ENVIRON T NIL H SetValue relocate
966 :			[THEN]
967 :	pazsan	1.43
968 :			>CROSS
969 :
970 :	jwilke	1.52	\ \ Create additional parameters 19jan95py
971 :	pazsan	1.19
972 :	jwilke	1.71	\ currently cross only works for host machines with address-unit-bits
973 :			\ eual to 8 because of s! and sc!
974 :			\ but I start to query the environment just to modularize a little bit
975 :
976 :			: check-address-unit-bits ( -- )
977 :			\ s" ADDRESS-UNIT-BITS" environment?
978 :			\ IF 8 <> ELSE true THEN
979 :			\ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
980 :
981 :			\ shit, this doesn't work because environment? is only defined for
982 :			\ gforth.fi and not kernl???.fi
983 :			;
984 :
985 :			check-address-unit-bits
986 :			8 Constant bits/byte \ we define: byte is address-unit
987 :
988 :			1 bits/byte lshift Constant maxbyte
989 :	jwilke	1.77	\ this sets byte size for the target machine, (probably right guess) jaw
990 :	jwilke	1.67
991 :	pazsan	1.19	T
992 :	jwilke	1.71	NIL Constant TNIL
993 :			cell Constant tcell
994 :			cell<< Constant tcell<<
995 :			cell>bit Constant tcell>bit
996 :			bits/char Constant tbits/char
997 :			bits/char H bits/byte T /
998 :			Constant tchar
999 :			float Constant tfloat
1000 :			1 bits/char lshift Constant tmaxchar
1001 :			[IFUNDEF] bits/byte
1002 :			8 Constant tbits/byte
1003 :			[ELSE]
1004 :			bits/byte Constant tbits/byte
1005 :			[THEN]
1006 :	pazsan	1.19	H
1007 :	pazsan	1.81	tbits/char bits/byte / Constant tbyte
1008 :	jwilke	1.71
1009 :	pazsan	1.19
1010 :	anton	1.48	\ Variables 06oct92py
1011 :
1012 :			Variable image
1013 :			Variable tlast TNIL tlast ! \ Last name field
1014 :			Variable tlastcfa \ Last code field
1015 :			Variable bit$
1016 :	jwilke	1.52
1017 :			\ statistics 10jun97jaw
1018 :
1019 :			Variable headers-named 0 headers-named !
1020 :			Variable user-vars 0 user-vars !
1021 :
1022 :	jwilke	1.67	: target>bitmask-size ( u1 -- u2 )
1023 :			1- tcell>bit rshift 1+ ;
1024 :
1025 :	jwilke	1.102	: allocatetarget ( size --- adr )
1026 :	jwilke	1.67	dup allocate ABORT" CROSS: No memory for target"
1027 :			swap over swap erase ;
1028 :	jwilke	1.52
1029 :	pazsan	1.54	\ \ memregion.fs
1030 :	jwilke	1.52
1031 :
1032 :			Variable last-defined-region \ pointer to last defined region
1033 :			Variable region-link \ linked list with all regions
1034 :			Variable mirrored-link \ linked list for mirrored regions
1035 :			0 dup mirrored-link ! region-link !
1036 :
1037 :
1038 :	jwilke	1.103	: >rname 7 cells + ;
1039 :			: >rbm 4 cells + ;
1040 :			: >rmem 5 cells + ;
1041 :			: >rtype 6 cells + ;
1042 :	jwilke	1.67	: >rlink 3 cells + ;
1043 :	jwilke	1.52	: >rdp 2 cells + ;
1044 :			: >rlen cell+ ;
1045 :			: >rstart ;
1046 :
1047 :
1048 :	jwilke	1.103	: region ( addr len -- )
1049 :			\G create a new region
1050 :	jwilke	1.52	\ check whether predefined region exists
1051 :			save-input bl word find >r >r restore-input throw r> r> 0=
1052 :			IF \ make region
1053 :			drop
1054 :			save-input create restore-input throw
1055 :			here last-defined-region !
1056 :			over ( startaddr ) , ( length ) , ( dp ) ,
1057 :	jwilke	1.103	region-link linked 0 , 0 , 0 , bl word count string,
1058 :	jwilke	1.52	ELSE \ store new parameters in region
1059 :			bl word drop
1060 :			>body >r r@ last-defined-region !
1061 :	jwilke	1.67	r@ >rlen ! dup r@ >rstart ! r> >rdp !
1062 :	jwilke	1.52	THEN ;
1063 :
1064 :	jwilke	1.103	: borders ( region -- startaddr endaddr )
1065 :			\G returns lower and upper region border
1066 :	jwilke	1.67	dup >rstart @ swap >rlen @ over + ;
1067 :	jwilke	1.52
1068 :	jwilke	1.103	: extent ( region -- startaddr len )
1069 :			\G returns the really used area
1070 :	jwilke	1.67	dup >rstart @ swap >rdp @ over - ;
1071 :	jwilke	1.52
1072 :	jwilke	1.103	: area ( region -- startaddr totallen )
1073 :			\G returns the total area
1074 :	jwilke	1.79	dup >rstart @ swap >rlen @ ;
1075 :	jwilke	1.52
1076 :	jwilke	1.103	: mirrored
1077 :			\G mark a region as mirrored
1078 :	jwilke	1.52	mirrored-link
1079 :	jwilke	1.68	align linked last-defined-region @ , ;
1080 :	jwilke	1.52
1081 :	jwilke	1.67	: .addr ( u -- )
1082 :			\G prints a 16 or 32 Bit nice hex value
1083 :	jwilke	1.52	base @ >r hex
1084 :			tcell 2 u>
1085 :	jwilke	1.77	IF s>d <# # # # # [char] . hold # # # # #> type
1086 :	jwilke	1.52	ELSE s>d <# # # # # # #> type
1087 :	jwilke	1.103	THEN r> base ! space ;
1088 :	jwilke	1.52
1089 :			: .regions \G display region statistic
1090 :
1091 :			\ we want to list the regions in the right order
1092 :			\ so first collect all regions on stack
1093 :			0 region-link @
1094 :			BEGIN dup WHILE dup @ REPEAT drop
1095 :			BEGIN dup
1096 :	jwilke	1.67	WHILE cr
1097 :			0 >rlink - >r
1098 :			r@ >rname count tuck type
1099 :	jwilke	1.52	12 swap - 0 max spaces space
1100 :	jwilke	1.67	." Start: " r@ >rstart @ dup .addr space
1101 :			." End: " r@ >rlen @ + .addr space
1102 :			." DP: " r> >rdp @ .addr
1103 :	jwilke	1.52	REPEAT drop
1104 :	jwilke	1.53	s" rom" T $has? H 0= ?EXIT
1105 :	jwilke	1.52	cr ." Mirrored:"
1106 :			mirrored-link @
1107 :			BEGIN dup
1108 :	jwilke	1.67	WHILE space dup cell+ @ >rname count type @
1109 :	jwilke	1.52	REPEAT drop cr
1110 :			;
1111 :
1112 :			\ -------- predefined regions
1113 :
1114 :			0 0 region address-space
1115 :			\ total memory addressed and used by the target system
1116 :
1117 :			0 0 region dictionary
1118 :			\ rom area for the compiler
1119 :
1120 :	jwilke	1.53	T has? rom H
1121 :	jwilke	1.52	[IF]
1122 :			0 0 region ram-dictionary mirrored
1123 :			\ ram area for the compiler
1124 :			[ELSE]
1125 :			' dictionary ALIAS ram-dictionary
1126 :			[THEN]
1127 :
1128 :			0 0 region return-stack
1129 :
1130 :			0 0 region data-stack
1131 :
1132 :			0 0 region tib-region
1133 :
1134 :			' dictionary ALIAS rom-dictionary
1135 :
1136 :
1137 :	jwilke	1.102	: setup-target ( -- ) \G initialize targets memory space
1138 :	jwilke	1.53	s" rom" T $has? H
1139 :	jwilke	1.52	IF \ check for ram and rom...
1140 :	jwilke	1.72	\ address-space area nip 0<>
1141 :	jwilke	1.67	ram-dictionary area nip 0<>
1142 :			rom-dictionary area nip 0<>
1143 :	jwilke	1.72	and 0=
1144 :	jwilke	1.52	ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1145 :			THEN
1146 :			address-space area nip
1147 :			IF
1148 :			address-space area
1149 :			ELSE
1150 :			dictionary area
1151 :			THEN
1152 :	jwilke	1.67	nip 0=
1153 :	jwilke	1.52	ABORT" CROSS: define at least address-space or dictionary!!"
1154 :	jwilke	1.67
1155 :			\ allocate target for each region
1156 :			region-link
1157 :			BEGIN @ dup
1158 :			WHILE dup
1159 :			0 >rlink - >r
1160 :			r@ >rlen @
1161 :			IF \ allocate mem
1162 :	jwilke	1.103	r@ >rlen @ allocatetarget dup image !
1163 :	jwilke	1.67	r@ >rmem !
1164 :
1165 :	jwilke	1.103	r@ >rlen @
1166 :	jwilke	1.67	target>bitmask-size allocatetarget
1167 :	jwilke	1.72	dup bit$ !
1168 :	jwilke	1.103	r@ >rbm !
1169 :	jwilke	1.67
1170 :	jwilke	1.103	r@ >rlen @
1171 :			tcell / 1+ cells allocatetarget r@ >rtype !
1172 :
1173 :			rdrop
1174 :	jwilke	1.67	ELSE r> drop THEN
1175 :	jwilke	1.72	REPEAT drop ;
1176 :
1177 :	jwilke	1.102	\ MakeKernal 22feb99jaw
1178 :	jwilke	1.72
1179 :			: makekernel ( targetsize -- targetsize )
1180 :			dup dictionary >rlen ! setup-target ;
1181 :
1182 :			>MINIMAL
1183 :			: makekernel makekernel ;
1184 :			>CROSS
1185 :	jwilke	1.52
1186 :	pazsan	1.54	\ \ switched tdp for rom support 03jun97jaw
1187 :	jwilke	1.52
1188 :			\ second value is here to store some maximal value for statistics
1189 :			\ tempdp is also embedded here but has nothing to do with rom support
1190 :			\ (needs switched dp)
1191 :
1192 :			variable tempdp 0 , \ temporary dp for resolving
1193 :			variable tempdp-save
1194 :
1195 :			0 [IF]
1196 :			variable romdp 0 , \ Dictionary-Pointer for ramarea
1197 :			variable ramdp 0 , \ Dictionary-Pointer for romarea
1198 :
1199 :			\
1200 :			variable sramdp \ start of ram-area for forth
1201 :			variable sromdp \ start of rom-area for forth
1202 :
1203 :			[THEN]
1204 :
1205 :
1206 :			0 value tdp
1207 :			variable fixed \ flag: true: no automatic switching
1208 :			\ false: switching is done automatically
1209 :
1210 :			\ Switch-Policy:
1211 :			\
1212 :			\ a header is always compiled into rom
1213 :			\ after a created word (create and variable) compilation goes to ram
1214 :			\
1215 :			\ Be careful: If you want to make the data behind create into rom
1216 :			\ you have to put >rom before create!
1217 :
1218 :			variable constflag constflag off
1219 :
1220 :	jwilke	1.67	: activate ( region -- )
1221 :			\G next code goes to this region
1222 :			>rdp to tdp ;
1223 :
1224 :	jwilke	1.52	: (switchram)
1225 :	jwilke	1.53	fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1226 :	jwilke	1.67	ram-dictionary activate ;
1227 :	jwilke	1.52
1228 :			: switchram
1229 :			constflag @
1230 :			IF constflag off ELSE (switchram) THEN ;
1231 :
1232 :			: switchrom
1233 :	jwilke	1.67	fixed @ ?EXIT rom-dictionary activate ;
1234 :	jwilke	1.52
1235 :			: >tempdp ( addr -- )
1236 :			tdp tempdp-save ! tempdp to tdp tdp ! ;
1237 :			: tempdp> ( -- )
1238 :			tempdp-save @ to tdp ;
1239 :
1240 :			: >ram fixed off (switchram) fixed on ;
1241 :			: >rom fixed off switchrom fixed on ;
1242 :			: >auto fixed off switchrom ;
1243 :
1244 :
1245 :
1246 :			\ : romstart dup sromdp ! romdp ! ;
1247 :			\ : ramstart dup sramdp ! ramdp ! ;
1248 :
1249 :	jwilke	1.67	\ default compilation goes to rom
1250 :	jwilke	1.52	\ when romable support is off, only the rom switch is used (!!)
1251 :			>auto
1252 :
1253 :	anton	1.48	: there tdp @ ;
1254 :
1255 :	jwilke	1.52	>TARGET
1256 :	anton	1.48
1257 :	jwilke	1.52	\ \ Target Memory Handling
1258 :	anton	1.1
1259 :			\ Byte ordering and cell size 06oct92py
1260 :
1261 :	pazsan	1.19	: cell+ tcell + ;
1262 :			: cells tcell<< lshift ;
1263 :	jwilke	1.71	: chars tchar * ;
1264 :			: char+ tchar + ;
1265 :	pazsan	1.19	: floats tfloat * ;
1266 :	anton	1.6
1267 :	anton	1.1	>CROSS
1268 :	pazsan	1.19	: cell/ tcell<< rshift ;
1269 :	anton	1.1	>TARGET
1270 :			20 CONSTANT bl
1271 :	jwilke	1.52	\ TNIL Constant NIL
1272 :	anton	1.1
1273 :			>CROSS
1274 :
1275 :	pazsan	1.20	bigendian
1276 :			[IF]
1277 :	jwilke	1.52	: S! ( n addr -- ) >r s>d r> tcell bounds swap 1-
1278 :	pazsan	1.20	DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1279 :	jwilke	1.52	: S@ ( addr -- n ) >r 0 0 r> tcell bounds
1280 :	pazsan	1.20	DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1281 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1282 :			DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1283 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1284 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1285 :	pazsan	1.19	[ELSE]
1286 :	jwilke	1.52	: S! ( n addr -- ) >r s>d r> tcell bounds
1287 :	pazsan	1.20	DO maxbyte ud/mod rot I c! LOOP 2drop ;
1288 :	jwilke	1.52	: S@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1289 :	pazsan	1.20	DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1290 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds
1291 :			DO maxbyte ud/mod rot I c! LOOP 2drop ;
1292 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1293 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1294 :	anton	1.1	[THEN]
1295 :
1296 :	jwilke	1.67	: taddr>region ( taddr -- region \| 0 )
1297 :			\G finds for a target-address the correct region
1298 :			\G returns 0 if taddr is not in range of a target memory region
1299 :			region-link
1300 :			BEGIN @ dup
1301 :			WHILE dup >r
1302 :			0 >rlink - >r
1303 :			r@ >rlen @
1304 :			IF dup r@ borders within
1305 :			IF r> r> drop nip EXIT THEN
1306 :			THEN
1307 :			r> drop
1308 :			r>
1309 :			REPEAT
1310 :			2drop 0 ;
1311 :
1312 :	jwilke	1.103	: taddr>region-abort ( taddr -- region \| 0 )
1313 :			dup taddr>region dup 0=
1314 :			IF drop cr ." Wrong address: " .addr
1315 :			-1 ABORT" Address out of range!"
1316 :			THEN nip ;
1317 :
1318 :	jwilke	1.67	: (>regionimage) ( taddr -- 'taddr )
1319 :			dup
1320 :			\ find region we want to address
1321 :	jwilke	1.103	taddr>region-abort
1322 :	jwilke	1.67	>r
1323 :			\ calculate offset in region
1324 :			r@ >rstart @ -
1325 :			\ add regions real address in our memory
1326 :			r> >rmem @ + ;
1327 :
1328 :	jwilke	1.103	: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1329 :			dup
1330 :			\ find region we want to address
1331 :			taddr>region-abort
1332 :			>r
1333 :			\ calculate offset in region
1334 :			r@ >rstart @ -
1335 :			\ add regions real address in our memory
1336 :			r> >rbm @ ;
1337 :
1338 :			: (>regiontype) ( taddr -- 'taddr )
1339 :			dup
1340 :			\ find region we want to address
1341 :			taddr>region-abort
1342 :			>r
1343 :			\ calculate offset in region
1344 :			r@ >rstart @ - tcell / cells
1345 :			\ add regions real address in our memory
1346 :			r> >rtype @ + ;
1347 :
1348 :	anton	1.1	\ Bit string manipulation 06oct92py
1349 :			\ 9may93jaw
1350 :			CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1351 :			: bits ( n -- n ) chars Bittable + c@ ;
1352 :
1353 :			: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1354 :			: +bit ( addr n -- ) >bit over c@ or swap c! ;
1355 :	pazsan	1.4	: -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1356 :	jwilke	1.67
1357 :	jwilke	1.103	: @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1358 :
1359 :	jwilke	1.84	: (relon) ( taddr -- )
1360 :			[ [IFDEF] fd-relocation-table ]
1361 :			s" +" fd-relocation-table write-file throw
1362 :			dup s>d <# #s #> fd-relocation-table write-line throw
1363 :			[ [THEN] ]
1364 :	jwilke	1.103	(>regionbm) swap cell/ +bit ;
1365 :	jwilke	1.84
1366 :			: (reloff) ( taddr -- )
1367 :			[ [IFDEF] fd-relocation-table ]
1368 :			s" -" fd-relocation-table write-file throw
1369 :			dup s>d <# #s #> fd-relocation-table write-line throw
1370 :			[ [THEN] ]
1371 :	jwilke	1.103	(>regionbm) swap cell/ -bit ;
1372 :	jwilke	1.67
1373 :			: (>image) ( taddr -- absaddr ) image @ + ;
1374 :
1375 :			DEFER >image
1376 :			DEFER relon
1377 :			DEFER reloff
1378 :			DEFER correcter
1379 :
1380 :			T has? relocate H
1381 :			[IF]
1382 :			' (relon) IS relon
1383 :			' (reloff) IS reloff
1384 :	jwilke	1.103	' (>regionimage) IS >image
1385 :	jwilke	1.67	[ELSE]
1386 :			' drop IS relon
1387 :			' drop IS reloff
1388 :	jwilke	1.68	' (>regionimage) IS >image
1389 :	jwilke	1.67	[THEN]
1390 :	anton	1.1
1391 :			\ Target memory access 06oct92py
1392 :
1393 :			: align+ ( taddr -- rest )
1394 :	anton	1.48	tcell tuck 1- and - [ tcell 1- ] Literal and ;
1395 :	anton	1.22	: cfalign+ ( taddr -- rest )
1396 :	pazsan	1.39	\ see kernel.fs:cfaligned
1397 :	pazsan	1.43	/maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1398 :	anton	1.1
1399 :			>TARGET
1400 :			: aligned ( taddr -- ta-addr ) dup align+ + ;
1401 :			\ assumes cell alignment granularity (as GNU C)
1402 :
1403 :	anton	1.22	: cfaligned ( taddr1 -- taddr2 )
1404 :	pazsan	1.39	\ see kernel.fs
1405 :	anton	1.22	dup cfalign+ + ;
1406 :
1407 :	jwilke	1.52	: @ ( taddr -- w ) >image S@ ;
1408 :			: ! ( w taddr -- ) >image S! ;
1409 :	pazsan	1.57	: c@ ( taddr -- char ) >image Sc@ ;
1410 :			: c! ( char taddr -- ) >image Sc! ;
1411 :	anton	1.7	: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1412 :	pazsan	1.82	: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1413 :	anton	1.1
1414 :			\ Target compilation primitives 06oct92py
1415 :			\ included A! 16may93jaw
1416 :
1417 :			: here ( -- there ) there ;
1418 :			: allot ( n -- ) tdp +! ;
1419 :	jwilke	1.78	: , ( w -- ) T here H tcell T allot ! H ;
1420 :			: c, ( char -- ) T here H tchar T allot c! H ;
1421 :			: align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1422 :	anton	1.22	: cfalign ( -- )
1423 :	jwilke	1.78	T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1424 :	anton	1.1
1425 :	jwilke	1.71	: >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1426 :	pazsan	1.59	: A! swap >address swap dup relon T ! H ;
1427 :			: A, ( w -- ) >address T here H relon T , H ;
1428 :	anton	1.1
1429 :	jwilke	1.103
1430 :	anton	1.1	>CROSS
1431 :
1432 :	jwilke	1.52	: tcmove ( source dest len -- )
1433 :			\G cmove in target memory
1434 :	pazsan	1.57	tchar * bounds
1435 :	jwilke	1.52	?DO dup T c@ H I T c! H 1+
1436 :	pazsan	1.57	tchar +LOOP drop ;
1437 :	anton	1.1
1438 :	jwilke	1.103
1439 :	jwilke	1.67	\ \ Load Assembler
1440 :
1441 :	anton	1.1	>TARGET
1442 :	jwilke	1.74	H also Forth definitions
1443 :	anton	1.1
1444 :	jwilke	1.77	: X bl word count [ ' target >wordlist ] Literal search-wordlist
1445 :	jwilke	1.52	IF state @ IF compile,
1446 :			ELSE execute THEN
1447 :	jwilke	1.77	ELSE -1 ABORT" Cross: access method not supported!"
1448 :			THEN ; immediate
1449 :	anton	1.1
1450 :	jwilke	1.52	[IFDEF] asm-include asm-include [THEN] hex
1451 :	anton	1.1
1452 :	jwilke	1.52	previous
1453 :	jwilke	1.103
1454 :			\ \ -------------------- Host/Target copy etc. 29aug01jaw
1455 :
1456 :
1457 :			>CROSS
1458 :
1459 :			: th-count ( taddr -- host-addr len )
1460 :			\G returns host address of target string
1461 :			assert1( tbyte 1 = )
1462 :			dup X c@ swap X char+ >image swap ;
1463 :
1464 :			: ht-move ( haddr taddr len -- )
1465 :			\G moves data from host-addr to destination in target-addr
1466 :			\G character by character
1467 :			swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1468 :
1469 :			2Variable last-string
1470 :
1471 :			: ht-string, ( addr count -- )
1472 :			dup there swap last-string 2!
1473 :			dup T c, H bounds ?DO I c@ T c, H LOOP ;
1474 :
1475 :			>TARGET
1476 :
1477 :			: count dup X c@ swap X char+ swap ;
1478 :			\ FIXME -1 on 64 bit machines?!?!
1479 :			: on T -1 swap ! H ;
1480 :			: off T 0 swap ! H ;
1481 :	anton	1.1
1482 :	jwilke	1.52	\ \ -------------------- Compiler Plug Ins 01aug97jaw
1483 :	anton	1.1
1484 :	jwilke	1.103	>CROSS
1485 :
1486 :	jwilke	1.102	\ Compiler States
1487 :
1488 :			Variable comp-state
1489 :			0 Constant interpreting
1490 :			1 Constant compiling
1491 :			2 Constant resolving
1492 :			3 Constant assembling
1493 :
1494 :	jwilke	1.103	: compiling? comp-state @ compiling = ;
1495 :	jwilke	1.102
1496 :	jwilke	1.103	: Plugin ( -- : pluginname )
1497 :			Create
1498 :			['] noop , \ action
1499 :			['] noop , \ target plugin action
1500 :			8765 , \ plugin magic
1501 :			DOES> perform ;
1502 :
1503 :			Plugin DummyPlugin
1504 :
1505 :			: 'PI ( -- addr : pluginname )
1506 :			' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
1507 :
1508 :			: plugin-of ( xt -- : pluginname )
1509 :			dup 'PI 2! ;
1510 :
1511 :			: action-of ( xt -- : plunginname )
1512 :			'PI cell+ ! ;
1513 :
1514 :			: TPA ( -- : plugin )
1515 :			\ target plugin action
1516 :			\ executes current target action of plugin
1517 :			'PI cell+ POSTPONE literal POSTPONE perform ; immediate
1518 :
1519 :			Variable ppi-temp 0 ppi-temp !
1520 :
1521 :			: pa:
1522 :			\g define plugin action
1523 :			ppi-temp @ ABORT" pa: definition not closed"
1524 :			'PI ppi-temp ! :noname ;
1525 :
1526 :			: ;pa
1527 :			\g end a definition for plugin action
1528 :			POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
1529 :
1530 :
1531 :			Plugin lit, ( n -- )
1532 :			Plugin alit, ( n -- )
1533 :
1534 :			Plugin branch, ( target-addr -- ) \ compiles a branch
1535 :			Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
1536 :			Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
1537 :			Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
1538 :			Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
1539 :			Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
1540 :			Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
1541 :			Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
1542 :
1543 :			Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
1544 :			Plugin colonmark, ( -- addr ) \ marks a colon call
1545 :			Plugin colon-resolve ( tcfa addr -- )
1546 :
1547 :			Plugin addr-resolve ( target-addr addr -- )
1548 :			Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
1549 :
1550 :			Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
1551 :			Plugin if, ( -- if-token )
1552 :			Plugin else, ( if-token -- if-token )
1553 :			Plugin then, ( if-token -- )
1554 :			Plugin ahead,
1555 :			Plugin begin,
1556 :			Plugin while,
1557 :			Plugin until,
1558 :			Plugin again,
1559 :			Plugin repeat,
1560 :			Plugin cs-swap ( x1 x2 -- x2 x1 )
1561 :
1562 :			Plugin case, ( -- n )
1563 :			Plugin of, ( n -- x1 n )
1564 :			Plugin endof, ( x1 n -- x2 n )
1565 :			Plugin endcase, ( x1 .. xn n -- )
1566 :
1567 :			Plugin do, ( -- do-token )
1568 :			Plugin ?do, ( -- ?do-token )
1569 :			Plugin for, ( -- for-token )
1570 :			Plugin loop, ( do-token / ?do-token -- )
1571 :			Plugin +loop, ( do-token / ?do-token -- )
1572 :			Plugin next, ( for-token )
1573 :			Plugin leave, ( -- )
1574 :			Plugin ?leave, ( -- )
1575 :	jwilke	1.102
1576 :			[IFUNDEF] ca>native
1577 :	jwilke	1.103	Plugin ca>native
1578 :	jwilke	1.102	[THEN]
1579 :
1580 :	jwilke	1.103	Plugin doprim, \ compiles start of a primitive
1581 :			Plugin docol, \ compiles start of a colon definition
1582 :			Plugin doer,
1583 :			Plugin fini, \ compiles end of definition ;s
1584 :			Plugin doeshandler,
1585 :			Plugin dodoes,
1586 :
1587 :			Plugin colon-start
1588 :			Plugin colon-end
1589 :
1590 :			Plugin ]comp \ starts compilation
1591 :			Plugin comp[ \ ends compilation
1592 :
1593 :			T 2 cells H Value xt>body
1594 :
1595 :			Plugin t>body \ we need the system >body
1596 :			\ and the target >body
1597 :
1598 :	jwilke	1.52	>TARGET
1599 :	jwilke	1.103	: >body t>body ;
1600 :	jwilke	1.52	>CROSS
1601 :
1602 :	jwilke	1.103	: (cc) T a, H ; ' (cc) plugin-of colon,
1603 :	jwilke	1.52
1604 :	jwilke	1.103	: (cr) >tempdp ]comp colon, comp[ tempdp> ; ' (cr) plugin-of colon-resolve
1605 :			: (ar) T ! H ; ' (ar) plugin-of addr-resolve
1606 :	pazsan	1.54	: (dr) ( ghost res-pnt target-addr addr )
1607 :			>tempdp drop over
1608 :			dup >magic @ <do:> =
1609 :			IF doer,
1610 :			ELSE dodoes,
1611 :			THEN
1612 :	jwilke	1.103	tempdp> ; ' (dr) plugin-of doer-resolve
1613 :	pazsan	1.54
1614 :			: (cm) ( -- addr )
1615 :			T here align H
1616 :	jwilke	1.103	-1 colon, ; ' (cm) plugin-of colonmark,
1617 :	anton	1.1
1618 :	jwilke	1.52	>TARGET
1619 :	jwilke	1.102	: compile, colon, ;
1620 :	jwilke	1.52	>CROSS
1621 :	anton	1.1
1622 :	jwilke	1.102	\ resolve structure
1623 :
1624 :			: >next ; \ link to next field
1625 :			: >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1626 :			: >taddr cell+ cell+ ;
1627 :			: >ghost 3 cells + ;
1628 :			: >file 4 cells + ;
1629 :			: >line 5 cells + ;
1630 :
1631 :			: (refered) ( ghost addr tag -- )
1632 :			\G creates a reference to ghost at address taddr
1633 :	jwilke	1.103	>space
1634 :			rot >link linked
1635 :	jwilke	1.102	( taddr tag ) ,
1636 :			( taddr ) ,
1637 :			last-header-ghost @ ,
1638 :			loadfile ,
1639 :			sourceline# ,
1640 :	jwilke	1.103	space>
1641 :	jwilke	1.102	;
1642 :
1643 :	jwilke	1.52	: refered ( ghost tag -- )
1644 :	jwilke	1.53	\G creates a resolve structure
1645 :	pazsan	1.54	T here aligned H swap (refered)
1646 :			;
1647 :
1648 :			: killref ( addr ghost -- )
1649 :			\G kills a forward reference to ghost at position addr
1650 :			\G this is used to eleminate a :dovar refence after making a DOES>
1651 :			dup >magic @ <fwd> <> IF 2drop EXIT THEN
1652 :			swap >r >link
1653 :			BEGIN dup @ dup ( addr last this )
1654 :			WHILE dup >taddr @ r@ =
1655 :			IF @ over !
1656 :			ELSE nip THEN
1657 :			REPEAT rdrop 2drop
1658 :	jwilke	1.53	;
1659 :	anton	1.48
1660 :	jwilke	1.52	Defer resolve-warning
1661 :	anton	1.1
1662 :	jwilke	1.52	: reswarn-test ( ghost res-struct -- ghost res-struct )
1663 :	jwilke	1.78	over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1664 :	anton	1.1
1665 :	jwilke	1.52	: reswarn-forward ( ghost res-struct -- ghost res-struct )
1666 :	jwilke	1.78	over warnhead .ghost dup ." is referenced in "
1667 :			>ghost @ .ghost ;
1668 :	anton	1.1
1669 :	jwilke	1.52	\ ' reswarn-test IS resolve-warning
1670 :
1671 :	anton	1.1	\ resolve 14oct92py
1672 :
1673 :	pazsan	1.54	: resolve-loop ( ghost resolve-list tcfa -- )
1674 :			>r
1675 :			BEGIN dup WHILE
1676 :			\ dup >tag @ 2 = IF reswarn-forward THEN
1677 :			resolve-warning
1678 :			r@ over >taddr @
1679 :			2 pick >tag @
1680 :			CASE 0 OF colon-resolve ENDOF
1681 :			1 OF addr-resolve ENDOF
1682 :			2 OF doer-resolve ENDOF
1683 :			ENDCASE
1684 :			@ \ next list element
1685 :			REPEAT 2drop rdrop
1686 :			;
1687 :	jwilke	1.52
1688 :			\ : resolve-loop ( ghost tcfa -- ghost tcfa )
1689 :			\ >r dup >link @
1690 :			\ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1691 :	anton	1.1
1692 :			\ exists 9may93jaw
1693 :
1694 :	jwilke	1.103	: exists ( ghost tcfa -- )
1695 :			\G print warning and set new target link in ghost
1696 :			swap exists-warning
1697 :			>link ! ;
1698 :	jwilke	1.52
1699 :	jwilke	1.103	Variable rdbg
1700 :	anton	1.1
1701 :			: resolve ( ghost tcfa -- )
1702 :	pazsan	1.54	\G resolve referencies to ghost with tcfa
1703 :	jwilke	1.103	rdbg @ IF break: THEN
1704 :			dup taddr>region 0<> IF
1705 :			2dup (>regiontype) define-addr-struct addr-xt-ghost
1706 :
1707 :			\ we define new address only if empty
1708 :			\ this is for not to overtake the alias ghost
1709 :			\ but the very first that really defines it
1710 :			\ FIXME: define when HeaderGhost is ready
1711 :			dup @ 0= IF ! ELSE 2drop THEN
1712 :			\ !
1713 :			THEN
1714 :
1715 :			\ is ghost resolved?, second resolve means another
1716 :			\ definition with the same name
1717 :	jwilke	1.75	over undefined? 0= IF exists EXIT THEN
1718 :	pazsan	1.54	\ get linked-list
1719 :			swap >r r@ >link @ swap \ ( list tcfa R: ghost )
1720 :			\ mark ghost as resolved
1721 :			dup r@ >link ! <res> r@ >magic !
1722 :			\ loop through forward referencies
1723 :			r> -rot
1724 :			comp-state @ >r Resolving comp-state !
1725 :			resolve-loop
1726 :			r> comp-state !
1727 :
1728 :			['] noop IS resolve-warning
1729 :	jwilke	1.52	;
1730 :	anton	1.1
1731 :			\ gexecute ghost, 01nov92py
1732 :
1733 :	jwilke	1.102	: is-forward ( ghost -- )
1734 :			colonmark, 0 (refered) ; \ compile space for call
1735 :
1736 :			: is-resolved ( ghost -- )
1737 :			>link @ colon, ; \ compile-call
1738 :
1739 :	jwilke	1.103	: (gexecute) ( ghost -- )
1740 :			dup >magic @
1741 :			<fwd> = IF is-forward ELSE is-resolved THEN ;
1742 :
1743 :			: gexecute ( ghost -- )
1744 :			\ dup >magic @ <imm> = IF -1 ABORT" CROSS: gexecute on immediate word" THEN
1745 :			(gexecute) ;
1746 :	jwilke	1.52
1747 :			: addr, ( ghost -- )
1748 :	jwilke	1.103	dup >magic @ <fwd> = IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1749 :	jwilke	1.52
1750 :			\ !! : ghost, ghost gexecute ;
1751 :	anton	1.1
1752 :			\ .unresolved 11may93jaw
1753 :
1754 :			variable ResolveFlag
1755 :
1756 :			\ ?touched 11may93jaw
1757 :
1758 :	jwilke	1.52	: ?touched ( ghost -- flag ) dup forward? swap >link @
1759 :	anton	1.1	0 <> and ;
1760 :
1761 :	jwilke	1.53	: .forwarddefs ( ghost -- )
1762 :	jwilke	1.103	." appeared in:"
1763 :			>link
1764 :			BEGIN @ dup
1765 :			WHILE cr 5 spaces
1766 :			dup >ghost @ .ghost
1767 :			." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1768 :			." line " dup >line @ .dec
1769 :			REPEAT
1770 :			drop ;
1771 :
1772 :			: ?resolved ( ghost -- )
1773 :			dup ?touched
1774 :			IF ResolveFlag on
1775 :			dup cr .ghost .forwarddefs
1776 :	jwilke	1.53	ELSE drop
1777 :			THEN ;
1778 :	anton	1.1
1779 :			: .unresolved ( -- )
1780 :			ResolveFlag off cr ." Unresolved: "
1781 :	jwilke	1.103	ghost-list
1782 :	anton	1.1	BEGIN @ dup
1783 :			WHILE dup ?resolved
1784 :	anton	1.10	REPEAT drop ResolveFlag @
1785 :			IF
1786 :	anton	1.48	-1 abort" Unresolved words!"
1787 :	anton	1.10	ELSE
1788 :			." Nothing!"
1789 :			THEN
1790 :			cr ;
1791 :	anton	1.1
1792 :	jwilke	1.52	: .stats
1793 :			base @ >r decimal
1794 :			cr ." named Headers: " headers-named @ .
1795 :			r> base ! ;
1796 :
1797 :	jwilke	1.79	>MINIMAL
1798 :
1799 :			: .unresolved .unresolved ;
1800 :
1801 :	anton	1.1	>CROSS
1802 :			\ Header states 12dec92py
1803 :
1804 :	jwilke	1.102	\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1805 :	pazsan	1.90	bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1806 :			: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1807 :	anton	1.1
1808 :			VARIABLE ^imm
1809 :
1810 :			>TARGET
1811 :	jwilke	1.102	: immediate 40 flag!
1812 :	pazsan	1.18	^imm @ @ dup <imm> = IF drop EXIT THEN
1813 :	anton	1.1	<res> <> ABORT" CROSS: Cannot immediate a unresolved word"
1814 :			<imm> ^imm @ ! ;
1815 :	jwilke	1.102	: restrict 20 flag! ;
1816 :	jwilke	1.52
1817 :	pazsan	1.54	: isdoer
1818 :			\G define a forth word as doer, this makes obviously only sence on
1819 :			\G forth processors such as the PSC1000
1820 :			<do:> last-header-ghost @ >magic ! ;
1821 :	anton	1.1	>CROSS
1822 :
1823 :			\ Target Header Creation 01nov92py
1824 :
1825 :	jwilke	1.103	: ht-lstring, ( addr count -- )
1826 :	jwilke	1.102	dup T , H bounds ?DO I c@ T c, H LOOP ;
1827 :
1828 :	jwilke	1.103	>TARGET
1829 :			: name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1830 :	anton	1.1	: view, ( -- ) ( dummy ) ;
1831 :	jwilke	1.52	>CROSS
1832 :	anton	1.1
1833 :	pazsan	1.25	\ Target Document Creation (goes to crossdoc.fd) 05jul95py
1834 :
1835 :	pazsan	1.55	s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1836 :	pazsan	1.25	\ contains the file-id of the documentation file
1837 :
1838 :	pazsan	1.40	: T-\G ( -- )
1839 :	pazsan	1.25	source >in @ /string doc-file-id write-line throw
1840 :	pazsan	1.40	postpone \ ;
1841 :	pazsan	1.25
1842 :	pazsan	1.39	Variable to-doc to-doc on
1843 :	pazsan	1.25
1844 :			: cross-doc-entry ( -- )
1845 :			to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
1846 :			IF
1847 :			s" " doc-file-id write-line throw
1848 :			s" make-doc " doc-file-id write-file throw
1849 :	jwilke	1.102
1850 :			tlast @ >image count 1F and doc-file-id write-file throw
1851 :	pazsan	1.25	>in @
1852 :			[char] ( parse 2drop
1853 :			[char] ) parse doc-file-id write-file throw
1854 :			s" )" doc-file-id write-file throw
1855 :			[char] \ parse 2drop
1856 :	pazsan	1.40	T-\G
1857 :	pazsan	1.25	>in !
1858 :	pazsan	1.39	THEN ;
1859 :	pazsan	1.25
1860 :	pazsan	1.28	\ Target TAGS creation
1861 :
1862 :	pazsan	1.39	s" kernel.TAGS" r/w create-file throw value tag-file-id
1863 :	pazsan	1.28	\ contains the file-id of the tags file
1864 :
1865 :			Create tag-beg 2 c, 7F c, bl c,
1866 :			Create tag-end 2 c, bl c, 01 c,
1867 :			Create tag-bof 1 c, 0C c,
1868 :
1869 :			2variable last-loadfilename 0 0 last-loadfilename 2!
1870 :
1871 :			: put-load-file-name ( -- )
1872 :	jwilke	1.77	sourcefilename last-loadfilename 2@ d<>
1873 :	pazsan	1.28	IF
1874 :			tag-bof count tag-file-id write-line throw
1875 :	anton	1.31	sourcefilename 2dup
1876 :	pazsan	1.28	tag-file-id write-file throw
1877 :			last-loadfilename 2!
1878 :			s" ,0" tag-file-id write-line throw
1879 :			THEN ;
1880 :
1881 :			: cross-tag-entry ( -- )
1882 :			tlast @ 0<> \ not an anonymous (i.e. noname) header
1883 :			IF
1884 :			put-load-file-name
1885 :			source >in @ min tag-file-id write-file throw
1886 :			tag-beg count tag-file-id write-file throw
1887 :	jwilke	1.77	tlast @ >image count 1F and tag-file-id write-file throw
1888 :	pazsan	1.28	tag-end count tag-file-id write-file throw
1889 :	anton	1.31	base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1890 :	pazsan	1.28	\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
1891 :			s" ,0" tag-file-id write-line throw
1892 :			base !
1893 :			THEN ;
1894 :
1895 :	pazsan	1.43	\ Check for words
1896 :
1897 :			Defer skip? ' false IS skip?
1898 :
1899 :	jwilke	1.103	: skipdef ( "name" -- )
1900 :	jwilke	1.79	\G skip definition of an undefined word in undef-words and
1901 :			\G all-words mode
1902 :	jwilke	1.103	Ghost dup forward?
1903 :	jwilke	1.75	IF >magic <skip> swap !
1904 :			ELSE drop THEN ;
1905 :
1906 :	jwilke	1.103	: tdefined? ( "name" -- flag )
1907 :			Ghost undefined? 0= ;
1908 :	jwilke	1.75
1909 :	jwilke	1.103	: defined2? ( "name" -- flag )
1910 :	jwilke	1.75	\G return true for anything else than forward, even for <skip>
1911 :			\G that's what we want
1912 :	jwilke	1.103	Ghost forward? 0= ;
1913 :	pazsan	1.43
1914 :	jwilke	1.103	: forced? ( "name" -- flag )
1915 :	jwilke	1.79	\G return ture if it is a foreced skip with defskip
1916 :	jwilke	1.103	Ghost >magic @ <skip> = ;
1917 :	jwilke	1.79
1918 :	pazsan	1.43	: needed? ( -- flag ) \ name
1919 :	anton	1.48	\G returns a false flag when
1920 :			\G a word is not defined
1921 :			\G a forward reference exists
1922 :			\G so the definition is not skipped!
1923 :			bl word gfind
1924 :	jwilke	1.75	IF dup undefined?
1925 :	anton	1.48	nip
1926 :			0=
1927 :			ELSE drop true THEN ;
1928 :	pazsan	1.43
1929 :	pazsan	1.44	: doer? ( -- flag ) \ name
1930 :	jwilke	1.103	Ghost >magic @ <do:> = ;
1931 :	pazsan	1.44
1932 :	pazsan	1.43	: skip-defs ( -- )
1933 :			BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
1934 :
1935 :	pazsan	1.28	\ Target header creation
1936 :
1937 :	pazsan	1.54	Variable NoHeaderFlag
1938 :			NoHeaderFlag off
1939 :	anton	1.1
1940 :	pazsan	1.54	: 0.r ( n1 n2 -- )
1941 :			base @ >r hex
1942 :			0 swap <# 0 ?DO # LOOP #> type
1943 :			r> base ! ;
1944 :	jwilke	1.84
1945 :			: .sym ( adr len -- )
1946 :			\G escapes / and \ to produce sed output
1947 :	jwilke	1.52	bounds
1948 :			DO I c@ dup
1949 :	jwilke	1.77	CASE [char] / OF drop ." \/" ENDOF
1950 :			[char] \ OF drop ." \\" ENDOF
1951 :	jwilke	1.52	dup OF emit ENDOF
1952 :			ENDCASE
1953 :	pazsan	1.54	LOOP ;
1954 :	jwilke	1.52
1955 :	jwilke	1.103	Defer setup-execution-semantics
1956 :			0 Value lastghost
1957 :
1958 :			: (THeader ( "name" -- ghost )
1959 :	pazsan	1.54	\ >in @ bl word count type 2 spaces >in !
1960 :			\ wordheaders will always be compiled to rom
1961 :			switchrom
1962 :			\ build header in target
1963 :			NoHeaderFlag @
1964 :			IF NoHeaderFlag off
1965 :			ELSE
1966 :			T align H view,
1967 :	jwilke	1.78	tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1968 :	pazsan	1.54	1 headers-named +! \ Statistic
1969 :			>in @ T name, H >in !
1970 :			THEN
1971 :			T cfalign here H tlastcfa !
1972 :	jwilke	1.84	\ Old Symbol table sed-script
1973 :	pazsan	1.54	\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1974 :	jwilke	1.103	HeaderGhost
1975 :	jwilke	1.84	\ output symbol table to extra file
1976 :			[ [IFDEF] fd-symbol-table ]
1977 :			base @ hex there s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
1978 :			s" :" fd-symbol-table write-file throw
1979 :			dup >ghostname fd-symbol-table write-line throw
1980 :			[ [THEN] ]
1981 :	jwilke	1.103	dup Last-Header-Ghost ! dup to lastghost
1982 :	pazsan	1.54	dup >magic ^imm ! \ a pointer for immediate
1983 :	jwilke	1.102	80 flag!
1984 :	jwilke	1.103	cross-doc-entry cross-tag-entry
1985 :			setup-execution-semantics
1986 :			;
1987 :	anton	1.1
1988 :	jwilke	1.52	\ this is the resolver information from ":"
1989 :			\ resolving is done by ";"
1990 :	jwilke	1.103	Variable ;Resolve 1 cells allot
1991 :
1992 :			: hereresolve ( ghost -- )
1993 :			there resolve 0 ;Resolve ! ;
1994 :	anton	1.1
1995 :	pazsan	1.11	: Theader ( "name" -- ghost )
1996 :	jwilke	1.103	(THeader dup hereresolve ;
1997 :
1998 :			Variable aprim-nr -20 aprim-nr !
1999 :
2000 :			: copy-execution-semantics ( ghost-from ghost-dest -- )
2001 :			>r
2002 :			dup >exec @ r@ >exec !
2003 :			dup >exec2 @ r@ >exec2 !
2004 :			dup >exec-compile @ r@ >exec-compile !
2005 :			dup >ghost-xt @ r@ >ghost-xt !
2006 :			dup >created @ r@ >created !
2007 :			rdrop drop ;
2008 :	anton	1.1
2009 :			>TARGET
2010 :	jwilke	1.103
2011 :	anton	1.1	: Alias ( cfa -- ) \ name
2012 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2013 :			(THeader ( S xt ghost )
2014 :			2dup swap gdiscover 0= ABORT" missing" swap copy-execution-semantics
2015 :			over resolve T A, H 80 flag! ;
2016 :
2017 :			Variable last-prim-ghost
2018 :			0 last-prim-ghost !
2019 :
2020 :			: asmprimname, ( ghost -- : name )
2021 :			dup last-prim-ghost !
2022 :			>r
2023 :			here bl word count string, r@ >asm-name !
2024 :			aprim-nr @ r> >asm-dummyaddr ! ;
2025 :
2026 :			Defer setup-prim-semantics
2027 :
2028 :			: aprim ( -- )
2029 :			THeader -1 aprim-nr +! aprim-nr @ T A, H
2030 :			asmprimname,
2031 :			setup-prim-semantics ;
2032 :
2033 :			: aprim: ( -- )
2034 :			-1 aprim-nr +! aprim-nr @
2035 :			Ghost tuck swap resolve <do:> swap tuck >magic !
2036 :			asmprimname, ;
2037 :
2038 :	pazsan	1.42	: Alias: ( cfa -- ) \ name
2039 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2040 :			dup 0< s" prims" T $has? H 0= and
2041 :			IF
2042 :			.sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2043 :			THEN
2044 :			Ghost tuck swap resolve <do:> swap >magic ! ;
2045 :	pazsan	1.64
2046 :			Variable prim#
2047 :			: first-primitive ( n -- ) prim# ! ;
2048 :			: Primitive ( -- ) \ name
2049 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2050 :			dup 0< s" prims" T $has? H 0= and
2051 :			IF
2052 :			.sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2053 :			THEN
2054 :			prim# @ (THeader ( S xt ghost )
2055 :			over resolve T A, H 80 flag!
2056 :			-1 prim# +! ;
2057 :	anton	1.1	>CROSS
2058 :
2059 :			\ Conditionals and Comments 11may93jaw
2060 :
2061 :	jwilke	1.103	\G saves the existing cond action, this is used for redefining in
2062 :			\G instant
2063 :			Variable cond-xt-old
2064 :
2065 :			: cond-target ( -- )
2066 :			\G Compiles semantic of redefined cond into new one
2067 :			cond-xt-old @ compile, ; immediate restrict
2068 :
2069 :	anton	1.1	: ;Cond
2070 :			postpone ;
2071 :			swap ! ; immediate
2072 :
2073 :	jwilke	1.103	: Cond: ( "name" -- )
2074 :			\g defines a conditional or another word that must
2075 :			\g be executed directly while compiling
2076 :			\g these words have no interpretative semantics by default
2077 :			Ghost
2078 :			>exec-compile
2079 :			dup @ cond-xt-old !
2080 :	anton	1.1	:NONAME ;
2081 :
2082 :
2083 :			: Comment ( -- )
2084 :	jwilke	1.103	>in @ Ghost swap >in ! ' swap
2085 :			2dup >exec-compile ! >exec ! ;
2086 :	anton	1.1
2087 :			Comment ( Comment \
2088 :
2089 :			\ compile 10may93jaw
2090 :
2091 :	jwilke	1.103	: compile ( "name" -- ) \ name
2092 :			\ bl word gfind 0= ABORT" CROSS: Can't compile "
2093 :			ghost
2094 :			dup >exec-compile @ ?dup
2095 :			IF nip compile,
2096 :			ELSE postpone literal postpone gexecute THEN ; immediate restrict
2097 :
2098 :	jwilke	1.52	>TARGET
2099 :
2100 :			: ' ( -- cfa )
2101 :			\ returns the target-cfa of a ghost
2102 :			bl word gfind 0= ABORT" CROSS: Ghost don't exists"
2103 :			ghost>cfa ;
2104 :
2105 :	jwilke	1.103	\ FIXME: this works for the current use cases, but is not
2106 :			\ in all cases correct ;-)
2107 :			: comp' X ' 0 ;
2108 :
2109 :	jwilke	1.52	Cond: ['] T ' H alit, ;Cond
2110 :
2111 :			>CROSS
2112 :
2113 :			: [T']
2114 :			\ returns the target-cfa of a ghost, or compiles it as literal
2115 :			postpone [G'] state @ IF postpone ghost>cfa ELSE ghost>cfa THEN ; immediate
2116 :	pazsan	1.42
2117 :	jwilke	1.52	\ \ threading modell 13dec92py
2118 :			\ modularized 14jun97jaw
2119 :
2120 :			: fillcfa ( usedcells -- )
2121 :	jwilke	1.78	T cells H xt>body swap - 0 ?DO 0 X c, tchar +LOOP ;
2122 :	jwilke	1.52
2123 :	jwilke	1.103	: (>body) ( cfa -- pfa )
2124 :			xt>body + ; ' (>body) plugin-of t>body
2125 :	jwilke	1.52
2126 :	jwilke	1.103	: (doer,) ( ghost -- )
2127 :			addr, 1 fillcfa ; ' (doer,) plugin-of doer,
2128 :	jwilke	1.52
2129 :	jwilke	1.103	: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
2130 :	jwilke	1.52
2131 :			: (doprim,) ( -- )
2132 :	jwilke	1.103	there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
2133 :	jwilke	1.52
2134 :			: (doeshandler,) ( -- )
2135 :	jwilke	1.103	T cfalign H compile :doesjump T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
2136 :	jwilke	1.52
2137 :			: (dodoes,) ( does-action-ghost -- )
2138 :			]comp [G'] :dodoes gexecute comp[
2139 :			addr,
2140 :	jwilke	1.103	\ the relocator in the c engine, does not like the
2141 :			\ does-address to marked for relocation
2142 :			[ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
2143 :			2 fillcfa ; ' (dodoes,) plugin-of dodoes,
2144 :	jwilke	1.52
2145 :	jwilke	1.103	: (lit,) ( n -- ) compile lit T , H ; ' (lit,) plugin-of lit,
2146 :	jwilke	1.52
2147 :	jwilke	1.67	\ if we dont produce relocatable code alit, defaults to lit, jaw
2148 :	jwilke	1.84	\ this is just for convenience, so we don't have to define alit,
2149 :			\ seperately for embedded systems....
2150 :			T has? relocate H
2151 :	jwilke	1.67	[IF]
2152 :	jwilke	1.103	: (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
2153 :	jwilke	1.67	[ELSE]
2154 :	jwilke	1.103	: (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
2155 :	jwilke	1.67	[THEN]
2156 :	jwilke	1.52
2157 :	jwilke	1.103	: (fini,) compile ;s ; ' (fini,) plugin-of fini,
2158 :	pazsan	1.42
2159 :	pazsan	1.43	[IFUNDEF] (code)
2160 :			Defer (code)
2161 :			Defer (end-code)
2162 :			[THEN]
2163 :
2164 :	anton	1.1	>TARGET
2165 :	pazsan	1.43	: Code
2166 :	jwilke	1.52	defempty?
2167 :	anton	1.48	(THeader there resolve
2168 :	jwilke	1.53	[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
2169 :	jwilke	1.52	doprim,
2170 :	anton	1.48	[THEN]
2171 :			depth (code) ;
2172 :	pazsan	1.43
2173 :			: Code:
2174 :	jwilke	1.52	defempty?
2175 :	jwilke	1.103	Ghost dup there ca>native resolve <do:> swap >magic !
2176 :	pazsan	1.43	depth (code) ;
2177 :
2178 :			: end-code
2179 :	jwilke	1.52	(end-code)
2180 :	pazsan	1.43	depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2181 :			ELSE true ABORT" CROSS: Stack empty" THEN
2182 :	jwilke	1.52	;
2183 :	anton	1.14
2184 :	anton	1.1	>CROSS
2185 :	jwilke	1.52
2186 :	anton	1.1	\ tLiteral 12dec92py
2187 :
2188 :			>TARGET
2189 :	pazsan	1.40	Cond: \G T-\G ;Cond
2190 :
2191 :	jwilke	1.103	Cond: Literal ( n -- ) lit, ;Cond
2192 :			Cond: ALiteral ( n -- ) alit, ;Cond
2193 :	anton	1.1
2194 :			: Char ( "<char>" -- ) bl word char+ c@ ;
2195 :	jwilke	1.103	Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2196 :
2197 :			\ JAW Cond: chars ;Cond
2198 :	anton	1.1
2199 :	pazsan	1.43	\ some special literals 27jan97jaw
2200 :
2201 :	jwilke	1.52	\ !! Known Bug: Special Literals and plug-ins work only correct
2202 :	jwilke	1.102	\ on 16 and 32 Bit Targets and 32 Bit Hosts!
2203 :	jwilke	1.52
2204 :	pazsan	1.43	Cond: MAXU
2205 :	jwilke	1.102	tcell 1 cells u>
2206 :			IF compile lit tcell 0 ?DO FF T c, H LOOP
2207 :			ELSE ffffffff lit, THEN
2208 :	jwilke	1.52	;Cond
2209 :	pazsan	1.43
2210 :			Cond: MINI
2211 :	jwilke	1.102	tcell 1 cells u>
2212 :			IF compile lit bigendian
2213 :			IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP
2214 :			ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H
2215 :			THEN
2216 :			ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN
2217 :	jwilke	1.52	;Cond
2218 :	pazsan	1.43
2219 :			Cond: MAXI
2220 :	jwilke	1.102	tcell 1 cells u>
2221 :			IF compile lit bigendian
2222 :			IF 7F T c, H tcell 1 ?DO FF T c, H LOOP
2223 :			ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H
2224 :			THEN
2225 :			ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN
2226 :	pazsan	1.43	;Cond
2227 :
2228 :	anton	1.1	>CROSS
2229 :			\ Target compiling loop 12dec92py
2230 :			\ ">tib trick thrown out 10may93jaw
2231 :			\ number? defined at the top 11may93jaw
2232 :	jwilke	1.77	\ replaced >in by save-input
2233 :
2234 :			: discard 0 ?DO drop LOOP ;
2235 :	anton	1.1
2236 :			\ compiled word might leave items on stack!
2237 :	jwilke	1.77	: tcom ( x1 .. xn n name -- )
2238 :			\ dup count type space
2239 :	jwilke	1.103	gfind
2240 :			IF >r ( discard saved input state ) discard r>
2241 :			dup >exec-compile @ ?dup
2242 :			IF nip execute-exec-compile ELSE gexecute THEN
2243 :	jwilke	1.77	EXIT
2244 :			THEN
2245 :			number? dup
2246 :			IF 0> IF swap lit, THEN lit, discard
2247 :	jwilke	1.103	ELSE 2drop restore-input throw Ghost gexecute THEN ;
2248 :	anton	1.1
2249 :			>TARGET
2250 :			\ : ; DOES> 13dec92py
2251 :			\ ] 9may93py/jaw
2252 :
2253 :	jwilke	1.103	: ]
2254 :	pazsan	1.54	Compiling comp-state !
2255 :	jwilke	1.103	\ if we have a state in target, change it with the compile state
2256 :			[G'] state dup undefined? 0= IF >ghost-xt @ execute X on ELSE drop THEN
2257 :	anton	1.1	BEGIN
2258 :	jwilke	1.77	BEGIN save-input bl word
2259 :			dup c@ 0= WHILE drop discard refill 0=
2260 :	anton	1.1	ABORT" CROSS: End of file while target compiling"
2261 :			REPEAT
2262 :			tcom
2263 :	jwilke	1.103	compiling? 0=
2264 :	anton	1.1	UNTIL ;
2265 :
2266 :			\ by the way: defining a second interpreter (a compiler-)loop
2267 :			\ is not allowed if a system should be ans conform
2268 :
2269 :			: : ( -- colon-sys ) \ Name
2270 :	jwilke	1.52	defempty?
2271 :			constflag off \ don't let this flag work over colon defs
2272 :			\ just to go sure nothing unwanted happens
2273 :	pazsan	1.43	>in @ skip? IF drop skip-defs EXIT THEN >in !
2274 :	anton	1.1	(THeader ;Resolve ! there ;Resolve cell+ !
2275 :	jwilke	1.103	docol, ]comp colon-start depth T ] H ;
2276 :	anton	1.1
2277 :	pazsan	1.37	: :noname ( -- colon-sys )
2278 :	jwilke	1.103	X cfalign
2279 :			\ FIXME: cleanup!!!!!!!!
2280 :			\ idtentical to : with dummy ghost?!
2281 :			here ghostheader dup ;Resolve ! dup last-header-ghost ! to lastghost
2282 :			there ;Resolve cell+ !
2283 :			there docol, ]comp
2284 :			colon-start depth T ] H ;
2285 :	pazsan	1.37
2286 :	jwilke	1.103	Cond: EXIT ( -- ) compile ;S ;Cond
2287 :	anton	1.6
2288 :			Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
2289 :	pazsan	1.2
2290 :	jwilke	1.52	>CROSS
2291 :			: LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2292 :			;Resolve cell+ @ ;
2293 :
2294 :			>TARGET
2295 :
2296 :	jwilke	1.103	Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
2297 :	jwilke	1.52
2298 :	jwilke	1.103	Cond: ; ( -- )
2299 :	anton	1.1	depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2300 :			ELSE true ABORT" CROSS: Stack empty" THEN
2301 :	jwilke	1.103	colon-end
2302 :	jwilke	1.52	fini,
2303 :			comp[
2304 :	anton	1.1	;Resolve @
2305 :	jwilke	1.102	IF ;Resolve @ ;Resolve cell+ @ resolve THEN
2306 :	jwilke	1.103	[G'] state dup undefined? 0= IF >ghost-xt @ execute X off ELSE drop THEN
2307 :			Interpreting comp-state !
2308 :	anton	1.1	;Cond
2309 :	jwilke	1.103	Cond: [
2310 :			\ if we have a state in target, change it with the compile state
2311 :			[G'] state dup undefined? 0= IF >ghost-xt @ execute X off ELSE drop THEN
2312 :			\ [G'] state dup undefined? 0= IF ghost>cfa X >body X off ELSE drop THEN
2313 :			Interpreting comp-state ! ;Cond
2314 :	anton	1.1
2315 :			>CROSS
2316 :	pazsan	1.54
2317 :			Create GhostDummy ghostheader
2318 :			<res> GhostDummy >magic !
2319 :
2320 :	jwilke	1.52	: !does ( does-action -- )
2321 :			\ !! zusammenziehen und dodoes, machen!
2322 :	pazsan	1.54	tlastcfa @ [G'] :dovar killref
2323 :			\ tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ;
2324 :	jwilke	1.52	\ !! geht so nicht, da dodoes, ghost will!
2325 :	pazsan	1.54	GhostDummy >link ! GhostDummy
2326 :			tlastcfa @ >tempdp dodoes, tempdp> ;
2327 :	anton	1.1
2328 :	jwilke	1.103
2329 :			Defer instant-compile-does>-hook
2330 :			Defer instant-interpret-does>-hook
2331 :
2332 :			: resolve-does>-part ( -- )
2333 :			\ resolve words made by builders
2334 :			Last-Header-Ghost @ >do:ghost @ ?dup IF there resolve THEN ;
2335 :
2336 :	anton	1.1	>TARGET
2337 :	jwilke	1.103	Cond: DOES>
2338 :			compile (does>) doeshandler,
2339 :			resolve-does>-part
2340 :			\ instant-compile-does>-hook
2341 :	anton	1.1	;Cond
2342 :	jwilke	1.103
2343 :			: DOES> switchrom doeshandler, T here H !does
2344 :			instant-interpret-does>-hook
2345 :			depth T ] H ;
2346 :	anton	1.1
2347 :			>CROSS
2348 :			\ Creation 01nov92py
2349 :
2350 :			\ Builder 11may93jaw
2351 :
2352 :	jwilke	1.102	: Builder ( Create-xt do:-xt "name" -- )
2353 :	jwilke	1.52	\ builds up a builder in current vocabulary
2354 :			\ create-xt is executed when word is interpreted
2355 :			\ do:-xt is executet when the created word from builder is executed
2356 :			\ for do:-xt an additional entry after the normal ghost-enrys is used
2357 :
2358 :	jwilke	1.102	Make-Ghost ( Create-xt do:-xt ghost )
2359 :	jwilke	1.103	dup >created on
2360 :	jwilke	1.102	rot swap ( do:-xt Create-xt ghost )
2361 :	jwilke	1.103	tuck >exec ! >do:ghost ! ;
2362 :	jwilke	1.102	\ rot swap >exec dup @ ['] NoExec <>
2363 :			\ IF 2drop ELSE ! THEN , ;
2364 :	anton	1.1
2365 :	jwilke	1.52	: gdoes, ( ghost -- )
2366 :			\ makes the codefield for a word that is built
2367 :	jwilke	1.103	>do:ghost @ dup undefined? 0=
2368 :	jwilke	1.52	IF
2369 :	pazsan	1.42	dup >magic @ <do:> =
2370 :	pazsan	1.54	IF doer,
2371 :			ELSE dodoes,
2372 :			THEN
2373 :			EXIT
2374 :	jwilke	1.52	THEN
2375 :			\ compile :dodoes gexecute
2376 :			\ T here H tcell - reloff
2377 :	pazsan	1.54	2 refered
2378 :			0 fillcfa
2379 :			;
2380 :	anton	1.1
2381 :	jwilke	1.103	: takeover-x-semantics ( S constructor-ghost new-ghost -- )
2382 :			\g stores execution semantic in the built word
2383 :			\g if the word already has a semantic (concerns S", IS, .", DOES>)
2384 :			\g then keep it
2385 :			swap >do:ghost @ >exec @ swap >exec2 ! ;
2386 :			\ >exec dup @ ['] NoExec =
2387 :			\ IF swap >do:ghost @ >exec @ swap ! ELSE 2drop THEN ;
2388 :
2389 :	jwilke	1.52	: TCreate ( <name> -- )
2390 :			create-forward-warn
2391 :			IF ['] reswarn-forward IS resolve-warning THEN
2392 :	jwilke	1.103	executed-ghost @ (Theader
2393 :			dup >created on
2394 :			2dup takeover-x-semantics hereresolve gdoes, ;
2395 :	jwilke	1.52
2396 :			: RTCreate ( <name> -- )
2397 :			\ creates a new word with code-field in ram
2398 :			create-forward-warn
2399 :			IF ['] reswarn-forward IS resolve-warning THEN
2400 :			\ make Alias
2401 :	jwilke	1.103	executed-ghost @ (THeader
2402 :			dup >created on
2403 :			2dup takeover-x-semantics
2404 :			there 0 T a, H 80 flag!
2405 :			\ store poiter to code-field
2406 :	jwilke	1.52	switchram T cfalign H
2407 :			there swap T ! H
2408 :			there tlastcfa !
2409 :	jwilke	1.103	hereresolve gdoes, ;
2410 :	anton	1.1
2411 :			: Build: ( -- [xt] [colon-sys] )
2412 :	jwilke	1.52	:noname postpone TCreate ;
2413 :
2414 :			: BuildSmart: ( -- [xt] [colon-sys] )
2415 :			:noname
2416 :	jwilke	1.53	[ T has? rom H [IF] ]
2417 :	jwilke	1.52	postpone RTCreate
2418 :			[ [ELSE] ]
2419 :			postpone TCreate
2420 :			[ [THEN] ] ;
2421 :	anton	1.1
2422 :			: gdoes> ( ghost -- addr flag )
2423 :	jwilke	1.52	executed-ghost @
2424 :	jwilke	1.103	\ compiling? ABORT" CROSS: Executing gdoes> while compiling"
2425 :			\ ?! compiling? IF gexecute true EXIT THEN
2426 :			>link @ X >body ( false ) ;
2427 :	anton	1.1
2428 :			\ DO: ;DO 11may93jaw
2429 :			\ changed to ?EXIT 10may93jaw
2430 :
2431 :	jwilke	1.102	: DO: ( -- addr [xt] [colon-sys] )
2432 :	anton	1.1	here ghostheader
2433 :	jwilke	1.103	:noname postpone gdoes> ( postpone ?EXIT ) ;
2434 :	anton	1.1
2435 :	jwilke	1.102	: by: ( -- addr [xt] [colon-sys] ) \ name
2436 :	jwilke	1.103	Ghost
2437 :			:noname postpone gdoes> ( postpone ?EXIT ) ;
2438 :	pazsan	1.42
2439 :	jwilke	1.102	: ;DO ( addr [xt] [colon-sys] -- addr )
2440 :	anton	1.1	postpone ; ( S addr xt )
2441 :			over >exec ! ; immediate
2442 :
2443 :	jwilke	1.102	: by ( -- addr ) \ Name
2444 :	jwilke	1.103	Ghost >do:ghost @ ;
2445 :	anton	1.1
2446 :			>TARGET
2447 :			\ Variables and Constants 05dec92py
2448 :
2449 :	jwilke	1.52	Build: ( n -- ) ;
2450 :	jwilke	1.103	by: :docon ( target-body-addr -- n ) T @ H ;DO
2451 :	jwilke	1.52	Builder (Constant)
2452 :
2453 :			Build: ( n -- ) T , H ;
2454 :			by (Constant)
2455 :			Builder Constant
2456 :
2457 :			Build: ( n -- ) T A, H ;
2458 :			by (Constant)
2459 :			Builder AConstant
2460 :
2461 :			Build: ( d -- ) T , , H ;
2462 :			DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2463 :			Builder 2Constant
2464 :
2465 :			BuildSmart: ;
2466 :	jwilke	1.103	by: :dovar ( target-body-addr -- addr ) ;DO
2467 :	anton	1.1	Builder Create
2468 :
2469 :	jwilke	1.53	T has? rom H [IF]
2470 :	jwilke	1.103	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;
2471 :	jwilke	1.52	by (Constant)
2472 :			Builder Variable
2473 :			[ELSE]
2474 :	anton	1.1	Build: T 0 , H ;
2475 :			by Create
2476 :			Builder Variable
2477 :	jwilke	1.52	[THEN]
2478 :	anton	1.1
2479 :	jwilke	1.53	T has? rom H [IF]
2480 :	jwilke	1.103	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;
2481 :	pazsan	1.54	by (Constant)
2482 :			Builder 2Variable
2483 :			[ELSE]
2484 :			Build: T 0 , 0 , H ;
2485 :			by Create
2486 :			Builder 2Variable
2487 :			[THEN]
2488 :
2489 :			T has? rom H [IF]
2490 :	jwilke	1.103	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;
2491 :	jwilke	1.52	by (Constant)
2492 :			Builder AVariable
2493 :			[ELSE]
2494 :	anton	1.1	Build: T 0 A, H ;
2495 :			by Create
2496 :			Builder AVariable
2497 :	jwilke	1.52	[THEN]
2498 :	anton	1.1
2499 :	pazsan	1.3	\ User variables 04may94py
2500 :
2501 :			>CROSS
2502 :	jwilke	1.78
2503 :	pazsan	1.3	Variable tup 0 tup !
2504 :			Variable tudp 0 tudp !
2505 :	jwilke	1.78
2506 :	pazsan	1.3	: u, ( n -- udp )
2507 :			tup @ tudp @ + T ! H
2508 :	pazsan	1.19	tudp @ dup T cell+ H tudp ! ;
2509 :	jwilke	1.78
2510 :	pazsan	1.3	: au, ( n -- udp )
2511 :			tup @ tudp @ + T A! H
2512 :	pazsan	1.19	tudp @ dup T cell+ H tudp ! ;
2513 :	jwilke	1.78
2514 :	pazsan	1.3	>TARGET
2515 :
2516 :	jwilke	1.78	Build: 0 u, X , ;
2517 :			by: :douser ( ghost -- up-addr ) X @ tup @ + ;DO
2518 :	anton	1.1	Builder User
2519 :
2520 :	jwilke	1.78	Build: 0 u, X , 0 u, drop ;
2521 :	pazsan	1.3	by User
2522 :	anton	1.1	Builder 2User
2523 :
2524 :	jwilke	1.78	Build: 0 au, X , ;
2525 :	pazsan	1.3	by User
2526 :	anton	1.1	Builder AUser
2527 :
2528 :	jwilke	1.52	BuildSmart: T , H ;
2529 :	pazsan	1.44	by (Constant)
2530 :	anton	1.1	Builder Value
2531 :
2532 :	jwilke	1.52	BuildSmart: T A, H ;
2533 :	pazsan	1.44	by (Constant)
2534 :	pazsan	1.32	Builder AValue
2535 :
2536 :	jwilke	1.103	Defer texecute
2537 :
2538 :	jwilke	1.52	BuildSmart: ( -- ) [T'] noop T A, H ;
2539 :	jwilke	1.103	by: :dodefer ( ghost -- ) X @ texecute ;DO
2540 :	anton	1.1	Builder Defer
2541 :	pazsan	1.37
2542 :	jwilke	1.78	Build: ( inter comp -- ) swap T immediate A, A, H ;
2543 :	pazsan	1.37	DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
2544 :	anton	1.38	Builder interpret/compile:
2545 :	pazsan	1.24
2546 :			\ Sturctures 23feb95py
2547 :
2548 :			>CROSS
2549 :			: nalign ( addr1 n -- addr2 )
2550 :			\ addr2 is the aligned version of addr1 wrt the alignment size n
2551 :			1- tuck + swap invert and ;
2552 :			>TARGET
2553 :
2554 :	pazsan	1.44	Build: ;
2555 :			by: :dofield T @ H + ;DO
2556 :			Builder (Field)
2557 :
2558 :	anton	1.51	Build: ( align1 offset1 align size "name" -- align2 offset2 )
2559 :			rot dup T , H ( align1 align size offset1 )
2560 :			+ >r nalign r> ;
2561 :	pazsan	1.44	by (Field)
2562 :	pazsan	1.24	Builder Field
2563 :
2564 :	anton	1.51	: struct T 1 chars 0 H ;
2565 :	pazsan	1.24	: end-struct T 2Constant H ;
2566 :
2567 :	jwilke	1.52	: cell% ( n -- size align )
2568 :	anton	1.51	T 1 cells H dup ;
2569 :	pazsan	1.88
2570 :	jwilke	1.102
2571 :	jwilke	1.103
2572 :	pazsan	1.91	Build: ( m v -- m' v ) dup T , cell+ H ;
2573 :	pazsan	1.88	DO: abort" Not in cross mode" ;DO
2574 :			Builder input-method
2575 :
2576 :			Build: ( m v size -- m v' ) over T , H + ;
2577 :			DO: abort" Not in cross mode" ;DO
2578 :			Builder input-var
2579 :	pazsan	1.24
2580 :	jwilke	1.102
2581 :
2582 :	jwilke	1.103
2583 :	jwilke	1.52	\ structural conditionals 17dec92py
2584 :
2585 :			>CROSS
2586 :	jwilke	1.103	: (ncontrols?) ( n -- )
2587 :			\g We expect n open control structures
2588 :			depth over u<=
2589 :			ABORT" CROSS: unstructured, stack underflow"
2590 :			0 ?DO I pick 0=
2591 :			ABORT" CROSS: unstructured"
2592 :			LOOP ; ' (ncontrols?) plugin-of ncontrols?
2593 :
2594 :			\ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
2595 :			\ : sys? ( sys -- sys ) dup 0= ?struc ;
2596 :
2597 :	jwilke	1.52	: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
2598 :
2599 :	jwilke	1.78	: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
2600 :	jwilke	1.52
2601 :	jwilke	1.78	: >resolve ( sys -- )
2602 :			X here ( dup ." >" hex. ) over branchoffset swap X ! ;
2603 :	jwilke	1.52
2604 :	jwilke	1.78	: <resolve ( sys -- )
2605 :			X here ( dup ." <" hex. ) branchoffset X , ;
2606 :	jwilke	1.52
2607 :	jwilke	1.78	:noname compile branch X here branchoffset X , ;
2608 :	pazsan	1.54	IS branch, ( target-addr -- )
2609 :	jwilke	1.78	:noname compile ?branch X here branchoffset X , ;
2610 :	pazsan	1.54	IS ?branch, ( target-addr -- )
2611 :			:noname compile branch T here 0 , H ;
2612 :			IS branchmark, ( -- branchtoken )
2613 :			:noname compile ?branch T here 0 , H ;
2614 :			IS ?branchmark, ( -- branchtoken )
2615 :			:noname T here 0 , H ;
2616 :			IS ?domark, ( -- branchtoken )
2617 :	jwilke	1.78	:noname dup X @ ?struc X here over branchoffset swap X ! ;
2618 :	pazsan	1.54	IS branchtoresolve, ( branchtoken -- )
2619 :	jwilke	1.78	:noname branchto, X here ;
2620 :	pazsan	1.54	IS branchtomark, ( -- target-addr )
2621 :	jwilke	1.52
2622 :			>TARGET
2623 :
2624 :			\ Structural Conditionals 12dec92py
2625 :
2626 :	jwilke	1.103	\ CLEANUP Cond: BUT sys? swap ;Cond
2627 :			\ CLEANUP Cond: YET sys? dup ;Cond
2628 :	jwilke	1.52
2629 :			>CROSS
2630 :
2631 :	jwilke	1.78	Variable tleavings 0 tleavings !
2632 :	jwilke	1.52
2633 :	pazsan	1.54	: (done) ( addr -- )
2634 :			tleavings @
2635 :			BEGIN dup
2636 :			WHILE
2637 :			>r dup r@ cell+ @ \ address of branch
2638 :			u> 0= \ lower than DO?
2639 :			WHILE
2640 :			r@ 2 cells + @ \ branch token
2641 :			branchtoresolve,
2642 :			r@ @ r> free throw
2643 :			REPEAT r> THEN
2644 :			tleavings ! drop ;
2645 :
2646 :	jwilke	1.53	>TARGET
2647 :
2648 :	jwilke	1.103	\ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
2649 :	jwilke	1.53
2650 :			>CROSS
2651 :	pazsan	1.54	: (leave) ( branchtoken -- )
2652 :	jwilke	1.53	3 cells allocate throw >r
2653 :			T here H r@ cell+ !
2654 :			r@ 2 cells + !
2655 :			tleavings @ r@ !
2656 :			r> tleavings ! ;
2657 :			>TARGET
2658 :
2659 :	jwilke	1.103	: (leave,) ( -- )
2660 :			branchmark, (leave) ; ' (leave,) plugin-of leave,
2661 :
2662 :			: (?leave,) ( -- )
2663 :			compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
2664 :
2665 :			Cond: LEAVE leave, ;Cond
2666 :			Cond: ?LEAVE ?leave, ;Cond
2667 :	jwilke	1.53
2668 :	pazsan	1.54	>CROSS
2669 :			\ !!JW ToDo : Move to general tools section
2670 :
2671 :			: to1 ( x1 x2 xn n -- addr )
2672 :	jwilke	1.103	\G packs n stack elements in am allocated memory region
2673 :	pazsan	1.54	dup dup 1+ cells allocate throw dup >r swap 1+
2674 :			0 DO tuck ! cell+ LOOP
2675 :			drop r> ;
2676 :	jwilke	1.103
2677 :	pazsan	1.54	: 1to ( addr -- x1 x2 xn )
2678 :			\G unpacks the elements saved by to1
2679 :			dup @ swap over cells + swap
2680 :			0 DO dup @ swap 1 cells - LOOP
2681 :			free throw ;
2682 :
2683 :			: loop] branchto, dup <resolve tcell - (done) ;
2684 :
2685 :			: skiploop] ?dup IF branchto, branchtoresolve, THEN ;
2686 :
2687 :			>TARGET
2688 :
2689 :	jwilke	1.52	\ Structural Conditionals 12dec92py
2690 :
2691 :	jwilke	1.103	: (cs-swap) ( x1 x2 -- x2 x1 )
2692 :			swap ; ' (cs-swap) plugin-of cs-swap
2693 :
2694 :			: (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
2695 :
2696 :			: (if,) ?branchmark, ; ' (if,) plugin-of if,
2697 :
2698 :			: (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
2699 :
2700 :			: (else,) ( ahead ) branchmark,
2701 :			swap
2702 :			( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
2703 :
2704 :			: (begin,) branchtomark, ; ' (begin,) plugin-of begin,
2705 :
2706 :			: (while,) ( if ) ?branchmark,
2707 :			swap ; ' (while,) plugin-of while,
2708 :
2709 :			: (again,) branch, ; ' (again,) plugin-of again,
2710 :
2711 :			: (until,) ?branch, ; ' (until,) plugin-of until,
2712 :
2713 :			: (repeat,) ( again ) branch,
2714 :			( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
2715 :
2716 :			: (case,) ( -- n )
2717 :			0 ; ' (case,) plugin-of case,
2718 :
2719 :			: (of,) ( n -- x1 n )
2720 :			1+ >r
2721 :			compile over compile =
2722 :			if, compile drop r> ; ' (of,) plugin-of of,
2723 :
2724 :			: (endof,) ( x1 n -- x2 n )
2725 :			>r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
2726 :
2727 :			: (endcase,) ( x1 .. xn n -- )
2728 :			compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
2729 :
2730 :	jwilke	1.53	>TARGET
2731 :	jwilke	1.103	Cond: AHEAD ahead, ;Cond
2732 :			Cond: IF if, ;Cond
2733 :			Cond: THEN 1 ncontrols? then, ;Cond
2734 :			Cond: ENDIF 1 ncontrols? then, ;Cond
2735 :			Cond: ELSE 1 ncontrols? else, ;Cond
2736 :
2737 :			Cond: BEGIN begin, ;Cond
2738 :			Cond: WHILE 1 ncontrols? while, ;Cond
2739 :			Cond: AGAIN 1 ncontrols? again, ;Cond
2740 :			Cond: UNTIL 1 ncontrols? until, ;Cond
2741 :			Cond: REPEAT 2 ncontrols? repeat, ;Cond
2742 :
2743 :			Cond: CASE case, ;Cond
2744 :			Cond: OF of, ;Cond
2745 :			Cond: ENDOF endof, ;Cond
2746 :			Cond: ENDCASE endcase, ;Cond
2747 :	anton	1.1
2748 :			\ Structural Conditionals 12dec92py
2749 :
2750 :	jwilke	1.103	: (do,) ( -- target-addr )
2751 :			\ ?? i think 0 is too much! jaw
2752 :	pazsan	1.54	0 compile (do)
2753 :	jwilke	1.103	branchtomark, 2 to1 ; ' (do,) plugin-of do,
2754 :	pazsan	1.54
2755 :	jwilke	1.103	\ alternative for if no ?do
2756 :			\ : (do,)
2757 :	pazsan	1.54	\ compile 2dup compile = compile IF
2758 :			\ compile 2drop compile ELSE
2759 :			\ compile (do) branchtomark, 2 to1 ;
2760 :
2761 :	jwilke	1.103	: (?do,) ( -- target-addr )
2762 :	pazsan	1.54	0 compile (?do) ?domark, (leave)
2763 :	jwilke	1.103	branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
2764 :
2765 :			: (for,) ( -- target-addr )
2766 :			compile (for) branchtomark, ; ' (for,) plugin-of for,
2767 :
2768 :			: (loop,) ( target-addr -- )
2769 :			1to compile (loop) loop]
2770 :			compile unloop skiploop] ; ' (loop,) plugin-of loop,
2771 :
2772 :			: (+loop,) ( target-addr -- )
2773 :			1to compile (+loop) loop]
2774 :			compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
2775 :
2776 :			: (next,)
2777 :			compile (next) loop] compile unloop ; ' (next,) plugin-of next,
2778 :
2779 :			Cond: DO do, ;Cond
2780 :			Cond: ?DO ?do, ;Cond
2781 :			Cond: FOR for, ;Cond
2782 :
2783 :			Cond: LOOP 1 ncontrols? loop, ;Cond
2784 :			Cond: +LOOP 1 ncontrols? +loop, ;Cond
2785 :			Cond: NEXT 1 ncontrols? next, ;Cond
2786 :	jwilke	1.52
2787 :	anton	1.1	\ String words 23feb93py
2788 :
2789 :	jwilke	1.103	: ," [char] " parse ht-string, X align ;
2790 :	anton	1.1
2791 :	jwilke	1.103	Cond: ." compile (.") T ," H ;Cond
2792 :			Cond: S" compile (S") T ," H ;Cond
2793 :			Cond: C" compile (C") T ," H ;Cond
2794 :			Cond: ABORT" compile (ABORT") T ," H ;Cond
2795 :	anton	1.1
2796 :			Cond: IS T ' >body H compile ALiteral compile ! ;Cond
2797 :	pazsan	1.66	: IS T >address ' >body ! H ;
2798 :	pazsan	1.9	Cond: TO T ' >body H compile ALiteral compile ! ;Cond
2799 :			: TO T ' >body ! H ;
2800 :	anton	1.1
2801 :	jwilke	1.52	Cond: defers T ' >body @ compile, H ;Cond
2802 :
2803 :	anton	1.1	\ LINKED ERR" ENV" 2ENV" 18may93jaw
2804 :
2805 :			\ linked list primitive
2806 :	jwilke	1.79	: linked X here over X @ X A, swap X ! ;
2807 :	jwilke	1.52	: chained T linked A, H ;
2808 :	anton	1.1
2809 :			: err" s" ErrLink linked" evaluate T , H
2810 :	jwilke	1.103	[char] " parse ht-string, X align ;
2811 :	anton	1.1
2812 :			: env" [char] " parse s" EnvLink linked" evaluate
2813 :	jwilke	1.103	ht-string, X align X , ;
2814 :	anton	1.1
2815 :			: 2env" [char] " parse s" EnvLink linked" evaluate
2816 :	jwilke	1.103	here >r ht-string, X align X , X ,
2817 :	anton	1.1	r> dup T c@ H 80 and swap T c! H ;
2818 :
2819 :			\ compile must be last 22feb93py
2820 :
2821 :	jwilke	1.103	Cond: [compile] ( -- ) \ name
2822 :			\g For immediate words, works even if forward reference
2823 :			bl word gfind 0= ABORT" CROSS: Can't compile"
2824 :			(gexecute) ;Cond
2825 :
2826 :			Cond: postpone ( -- ) \ name
2827 :			bl word gfind 0= ABORT" CROSS: Can't compile"
2828 :			dup >magic @ <fwd> =
2829 :			ABORT" CROSS: Can't postpone on forward declaration"
2830 :			dup >magic @ <imm> =
2831 :			IF (gexecute)
2832 :			ELSE compile (compile) addr, THEN ;Cond
2833 :	pazsan	1.54
2834 :	jwilke	1.77	\ save-cross 17mar93py
2835 :
2836 :			hex
2837 :
2838 :			>CROSS
2839 :			Create magic s" Gforth2x" here over allot swap move
2840 :
2841 :			bigendian 1+ \ strangely, in magic big=0, little=1
2842 :			tcell 1 = 0 and or
2843 :			tcell 2 = 2 and or
2844 :			tcell 4 = 4 and or
2845 :			tcell 8 = 6 and or
2846 :			tchar 1 = 00 and or
2847 :			tchar 2 = 28 and or
2848 :			tchar 4 = 50 and or
2849 :			tchar 8 = 78 and or
2850 :			magic 7 + c!
2851 :
2852 :			: save-cross ( "image-name" "binary-name" -- )
2853 :			bl parse ." Saving to " 2dup type cr
2854 :			w/o bin create-file throw >r
2855 :			TNIL IF
2856 :	anton	1.80	s" #! " r@ write-file throw
2857 :			bl parse r@ write-file throw
2858 :			s" --image-file" r@ write-file throw
2859 :	jwilke	1.77	#lf r@ emit-file throw
2860 :			r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
2861 :			?do
2862 :			bl over emit-file throw
2863 :			loop
2864 :			drop
2865 :			magic 8 r@ write-file throw \ write magic
2866 :			ELSE
2867 :			bl parse 2drop
2868 :			THEN
2869 :			image @ there
2870 :			r@ write-file throw \ write image
2871 :			TNIL IF
2872 :			bit$ @ there 1- tcell>bit rshift 1+
2873 :			r@ write-file throw \ write tags
2874 :			THEN
2875 :			r> close-file throw ;
2876 :
2877 :			: save-region ( addr len -- )
2878 :			bl parse w/o bin create-file throw >r
2879 :			swap >image swap r@ write-file throw
2880 :			r> close-file throw ;
2881 :
2882 :	jwilke	1.103	1 [IF]
2883 :
2884 :			Variable name-ptr
2885 :			Create name-buf 200 chars allot
2886 :			: init-name-buf name-buf name-ptr ! ;
2887 :			: nb, name-ptr @ c! 1 chars name-ptr +! ;
2888 :			: $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
2889 :			: @nb name-ptr @ name-buf tuck - ;
2890 :
2891 :			\ stores a usefull string representation of the character
2892 :			\ in the name buffer
2893 :			: name-char, ( c -- )
2894 :			dup 'a 'z 1+ within IF nb, EXIT THEN
2895 :			dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
2896 :			dup '0 '9 1+ within IF nb, EXIT THEN
2897 :			CASE '+ OF s" _PLUS" $nb, ENDOF
2898 :			'- OF s" _MINUS" $nb, ENDOF
2899 :			'* OF s" _STAR" $nb, ENDOF
2900 :			'/ OF s" _SLASH" $nb, ENDOF
2901 :			'' OF s" _TICK" $nb, ENDOF
2902 :			'( OF s" _OPAREN" $nb, ENDOF
2903 :			') OF s" _CPAREN" $nb, ENDOF
2904 :			'[ OF s" _OBRACKET" $nb, ENDOF
2905 :			'] OF s" _CBRACKET" $nb, ENDOF
2906 :			'! OF s" _STORE" $nb, ENDOF
2907 :			'@ OF s" _FETCH" $nb, ENDOF
2908 :			'> OF s" _GREATER" $nb, ENDOF
2909 :			'< OF s" _LESS" $nb, ENDOF
2910 :			'= OF s" _EQUAL" $nb, ENDOF
2911 :			'# OF s" _HASH" $nb, ENDOF
2912 :			'? OF s" _QUEST" $nb, ENDOF
2913 :			': OF s" _COL" $nb, ENDOF
2914 :			'; OF s" _SEMICOL" $nb, ENDOF
2915 :			', OF s" _COMMA" $nb, ENDOF
2916 :			'. OF s" _DOT" $nb, ENDOF
2917 :			'" OF s" _DQUOT" $nb, ENDOF
2918 :			dup
2919 :			base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
2920 :			ENDCASE ;
2921 :
2922 :			: label-from-ghostname ( ghost -- addr len )
2923 :			dup >ghostname init-name-buf 'L nb, bounds
2924 :			?DO I c@ name-char, LOOP
2925 :			\ we add the address to a name to make in unique
2926 :			\ because one name may appear more then once
2927 :			\ there are names (e.g. boot) that may be reference from other
2928 :			\ assembler source files, so we declare them as unique
2929 :			\ and don't add the address suffix
2930 :			dup >ghost-flags @ <unique> and 0=
2931 :			IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
2932 :			ELSE drop
2933 :			THEN
2934 :			@nb ;
2935 :
2936 :			: label-from-ghostnameXX ( ghost -- addr len )
2937 :			\ same as (label-from-ghostname) but caches generated names
2938 :			dup >asm-name @ ?dup IF nip count EXIT THEN
2939 :			\ dup >r (label-from-ghostname) 2dup
2940 :			align here >r string, align
2941 :			r> r> >asm-name ! ;
2942 :
2943 :			: primghostdiscover ( xt -- ghost true \| xt false )
2944 :			dup 0= IF false EXIT THEN
2945 :			>r last-prim-ghost
2946 :			BEGIN @ dup
2947 :			WHILE dup >asm-dummyaddr @ r@ =
2948 :			IF rdrop true EXIT THEN
2949 :			REPEAT
2950 :			drop r> false ;
2951 :
2952 :			: gdiscover2 ( xt -- ghost true \| xt false )
2953 :			dup taddr>region 0= IF false EXIT THEN
2954 :			dup (>regiontype) @ dup 0= IF drop false EXIT THEN
2955 :			addr-xt-ghost @ dup 0= IF drop false EXIT THEN
2956 :			nip true ;
2957 :			\ dup >ghost-name @ IF nip true ELSE drop false THEN ;
2958 :
2959 :			\ generates a label name for the target address
2960 :			: generate-label-name ( taddr -- addr len )
2961 :			gdiscover2
2962 :			IF dup >magic @ <do:> =
2963 :			IF >asm-name @ count EXIT THEN
2964 :			label-from-ghostname
2965 :			ELSE
2966 :			primghostdiscover
2967 :			IF >asm-name @ count
2968 :			ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
2969 :			THEN
2970 :			THEN ;
2971 :
2972 :			Variable outfile-fd
2973 :
2974 :			: $out ( adr len -- ) outfile-fd @ write-file throw ;
2975 :			: nlout newline $out ;
2976 :			: .ux ( n -- )
2977 :			base @ hex swap 0 <# #S #> $out base ! ;
2978 :
2979 :			: save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
2980 :			dup cell/ 0
2981 :			?DO nlout s" .word " $out over @relbit
2982 :			IF over X @ generate-label-name $out
2983 :			ELSE over X @ s" 0x0" $out .ux
2984 :			THEN
2985 :			tcell /string
2986 :			LOOP ;
2987 :
2988 :			: print-bytes ( taddr len n -- taddr' len' )
2989 :			over min dup 0>
2990 :			IF nlout s" .byte " $out 0
2991 :			?DO I 0> IF s" , " $out THEN
2992 :			over X c@ s" 0x0" $out .ux 1 /string
2993 :			LOOP
2994 :			THEN ;
2995 :
2996 :			: save-asm-region-part ( addr len -- )
2997 :			over dup X aligned swap - ?dup
2998 :			IF print-bytes THEN
2999 :			save-asm-region-part-aligned
3000 :			dup dup X aligned swap - ?dup
3001 :			IF 2 pick @relbit ABORT" relocated field splitted"
3002 :			print-bytes
3003 :			THEN
3004 :			2drop ;
3005 :
3006 :			: print-label ( taddr -- )
3007 :			nlout generate-label-name $out s" :" $out ;
3008 :
3009 :			: snl-calc ( taddr taddr2 -- )
3010 :			tuck over - ;
3011 :
3012 :			: skip-nolables ( taddr -- taddr2 taddr len )
3013 :			\G skips memory region where no lables are defined
3014 :			\G starting from taddr+1
3015 :			\G Labels will be introduced for each reference mark
3016 :			\G in addr-refs.
3017 :			\G This word deals with lables at byte addresses as well.
3018 :			\G The main idea is to have an intro part which
3019 :			\G skips until the next cell boundary, the middle part
3020 :			\G which skips whole cells very efficiently and the third
3021 :			\G part which skips the bytes to the label in a cell
3022 :			dup 1+ dup (>regiontype)
3023 :			( S taddr taddr-realstart type-addr )
3024 :			dup @ dup IF addr-refs @ THEN
3025 :			swap >r
3026 :			over align+ tuck tcell swap - rshift swap 0
3027 :			DO dup 1 and
3028 :			IF drop rdrop snl-calc UNLOOP EXIT THEN
3029 :			2/ swap 1+ swap
3030 :			LOOP
3031 :			drop r> cell+
3032 :			( S .. taddr2 type-addr ) dup
3033 :			BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3034 :			dup >r swap - 1 cells / tcell * + r>
3035 :			( S .. taddr2+skiplencells type-addr )
3036 :			@ addr-refs @ 1 tcell lshift or
3037 :			BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3038 :			( S .. taddr2+skiplencells+skiplenbytes )
3039 :			snl-calc ;
3040 :
3041 :			: insert-label ( taddr -- )
3042 :			dup 0= IF drop EXIT THEN
3043 :			\ ignore everything which points outside our memory regions
3044 :			\ maybe a primitive pointer or whatever
3045 :			dup taddr>region 0= IF drop EXIT THEN
3046 :			dup >r (>regiontype) define-addr-struct addr-refs dup @
3047 :			r> tcell 1- and 1 swap lshift or swap ! ;
3048 :
3049 :			\ this generates a sorted list of addresses which must be labels
3050 :			\ it scans therefore a whole region
3051 :			: generate-label-list-region ( taddr len -- )
3052 :			BEGIN over @relbit IF over X @ insert-label THEN
3053 :			tcell /string dup 0<
3054 :			UNTIL 2drop ;
3055 :
3056 :			: generate-label-list ( -- )
3057 :			region-link
3058 :			BEGIN @ dup WHILE
3059 :			dup 0 >rlink - extent
3060 :			?dup IF generate-label-list-region ELSE drop THEN
3061 :			REPEAT drop ;
3062 :
3063 :			: create-outfile ( addr len -- )
3064 :			w/o bin create-file throw outfile-fd ! ;
3065 :
3066 :			: close-outfile ( -- )
3067 :			outfile-fd @ close-file throw ;
3068 :
3069 :			: (save-asm-region) ( region -- )
3070 :			\ ." label list..."
3071 :			generate-label-list
3072 :			\ ." ok!" cr
3073 :			extent ( S taddr len )
3074 :			over insert-label
3075 :			2dup + dup insert-label >r ( R end-label )
3076 :			( S taddr len ) drop
3077 :			BEGIN
3078 :			dup print-label
3079 :			dup r@ <> WHILE
3080 :			skip-nolables save-asm-region-part
3081 :			REPEAT drop rdrop ;
3082 :
3083 :			: lineout ( addr len -- )
3084 :			outfile-fd @ write-line throw ;
3085 :
3086 :			: save-asm-region ( region adr len -- )
3087 :			create-outfile (save-asm-region) close-outfile ;
3088 :
3089 :			[THEN]
3090 :
3091 :	pazsan	1.54	\ \ minimal definitions
3092 :
3093 :	jwilke	1.77	>MINIMAL also minimal
3094 :
3095 :	anton	1.1	\ Usefull words 13feb93py
3096 :
3097 :			: KB 400 * ;
3098 :
3099 :	pazsan	1.54	\ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3100 :
3101 :			\ it is useful to define our own structures and not to rely
3102 :			\ on the words in the compiler
3103 :			\ The words in the compiler might be defined with vocabularies
3104 :			\ this doesn't work with our self-made compile-loop
3105 :
3106 :			Create parsed 20 chars allot \ store word we parsed
3107 :
3108 :			: upcase
3109 :			parsed count bounds
3110 :			?DO I c@ toupper I c! LOOP ;
3111 :
3112 :			: [ELSE]
3113 :			1 BEGIN
3114 :			BEGIN bl word count dup WHILE
3115 :	jwilke	1.77	comment? 20 umin parsed place upcase parsed count
3116 :	pazsan	1.54	2dup s" [IF]" compare 0= >r
3117 :			2dup s" [IFUNDEF]" compare 0= >r
3118 :			2dup s" [IFDEF]" compare 0= r> or r> or
3119 :			IF 2drop 1+
3120 :			ELSE 2dup s" [ELSE]" compare 0=
3121 :			IF 2drop 1- dup
3122 :			IF 1+
3123 :			THEN
3124 :			ELSE
3125 :			2dup s" [ENDIF]" compare 0= >r
3126 :			s" [THEN]" compare 0= r> or
3127 :			IF 1- THEN
3128 :			THEN
3129 :			THEN
3130 :			?dup 0= ?EXIT
3131 :			REPEAT
3132 :			2drop refill 0=
3133 :			UNTIL drop ; immediate
3134 :
3135 :			: [THEN] ( -- ) ; immediate
3136 :
3137 :			: [ENDIF] ( -- ) ; immediate
3138 :
3139 :			: [IF] ( flag -- )
3140 :			0= IF postpone [ELSE] THEN ; immediate
3141 :
3142 :			Cond: [IF] postpone [IF] ;Cond
3143 :			Cond: [THEN] postpone [THEN] ;Cond
3144 :			Cond: [ELSE] postpone [ELSE] ;Cond
3145 :
3146 :	anton	1.1	\ define new [IFDEF] and [IFUNDEF] 20may93jaw
3147 :
3148 :	jwilke	1.77	: defined? tdefined? ;
3149 :	pazsan	1.44	: needed? needed? ;
3150 :			: doer? doer? ;
3151 :	anton	1.1
3152 :	jwilke	1.52	\ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3153 :
3154 :			: directive?
3155 :	jwilke	1.77	bl word count [ ' target >wordlist ] literal search-wordlist
3156 :	jwilke	1.52	dup IF nip THEN ;
3157 :
3158 :			: [IFDEF] >in @ directive? swap >in !
3159 :	jwilke	1.77	0= IF tdefined? ELSE name 2drop true THEN
3160 :	jwilke	1.52	postpone [IF] ;
3161 :
3162 :	jwilke	1.77	: [IFUNDEF] tdefined? 0= postpone [IF] ;
3163 :	anton	1.1
3164 :	pazsan	1.54	Cond: [IFDEF] postpone [IFDEF] ;Cond
3165 :
3166 :			Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3167 :
3168 :	anton	1.1	\ C: \- \+ Conditional Compiling 09jun93jaw
3169 :
3170 :	jwilke	1.77	: C: >in @ tdefined? 0=
3171 :			IF >in ! X :
3172 :	anton	1.1	ELSE drop
3173 :			BEGIN bl word dup c@
3174 :			IF count comment? s" ;" compare 0= ?EXIT
3175 :			ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3176 :			THEN
3177 :			AGAIN
3178 :			THEN ;
3179 :
3180 :	jwilke	1.74	: d? d? ;
3181 :
3182 :			\G doesn't skip line when debug switch is on
3183 :			: \D D? 0= IF postpone \ THEN ;
3184 :	jwilke	1.52
3185 :	anton	1.48	\G interprets the line if word is not defined
3186 :	jwilke	1.77	: \- tdefined? IF postpone \ THEN ;
3187 :	anton	1.48
3188 :			\G interprets the line if word is defined
3189 :	jwilke	1.77	: \+ tdefined? 0= IF postpone \ THEN ;
3190 :	anton	1.1
3191 :	anton	1.48	Cond: \- \- ;Cond
3192 :			Cond: \+ \+ ;Cond
3193 :	jwilke	1.52	Cond: \D \D ;Cond
3194 :	anton	1.48
3195 :			: ?? bl word find IF execute ELSE drop 0 THEN ;
3196 :
3197 :			: needed:
3198 :			\G defines ghost for words that we want to be compiled
3199 :	jwilke	1.103	BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
3200 :	anton	1.48
3201 :	anton	1.1	\ words that should be in minimal
3202 :	jwilke	1.52
3203 :			create s-buffer 50 chars allot
3204 :
3205 :	jwilke	1.77	bigendian Constant bigendian
3206 :	anton	1.1
3207 :	jwilke	1.52	: here there ;
3208 :	jwilke	1.67	: equ constant ;
3209 :			: mark there constant ;
3210 :	pazsan	1.54
3211 :			\ compiler directives
3212 :	jwilke	1.52	: >ram >ram ;
3213 :			: >rom >rom ;
3214 :			: >auto >auto ;
3215 :			: >tempdp >tempdp ;
3216 :			: tempdp> tempdp> ;
3217 :			: const constflag on ;
3218 :	jwilke	1.103
3219 :			: Redefinitions-start
3220 :			\G Starts a redefinition section. Warnings are disabled and
3221 :			\G existing ghosts are reused. This is used in the kernel
3222 :			\G where ( and \ and the like are redefined
3223 :			twarnings off warnings off reuse-ghosts on ;
3224 :
3225 :			: Redefinitions-end
3226 :			\G Ends a redefinition section. Warnings are enabled again.
3227 :			twarnings on warnings on reuse-ghosts off ;
3228 :
3229 :			: warnings name 3 =
3230 :			IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
3231 :	jwilke	1.102
3232 :	anton	1.60	: \| ;
3233 :			\ : \| NoHeaderFlag on ; \ This is broken (damages the last word)
3234 :	jwilke	1.52
3235 :	anton	1.48	: save-cross save-cross ;
3236 :	jwilke	1.52	: save-region save-region ;
3237 :			: tdump swap >image swap dump ;
3238 :
3239 :	anton	1.48	also forth
3240 :	jwilke	1.52	[IFDEF] Label : Label defempty? Label ; [THEN]
3241 :			[IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
3242 :	jwilke	1.77	\ [IFDEF] builttag : builttag builttag ; [THEN]
3243 :	anton	1.48	previous
3244 :
3245 :	jwilke	1.52	: s" [char] " parse s-buffer place s-buffer count ; \ for environment?
3246 :	pazsan	1.43	: + + ;
3247 :	jwilke	1.52	: 1+ 1 + ;
3248 :			: 2+ 2 + ;
3249 :	pazsan	1.43	: 1- 1- ;
3250 :			: - - ;
3251 :	jwilke	1.52	: and and ;
3252 :			: or or ;
3253 :	pazsan	1.43	: 2* 2* ;
3254 :			: * * ;
3255 :			: / / ;
3256 :			: dup dup ;
3257 :			: over over ;
3258 :			: swap swap ;
3259 :			: rot rot ;
3260 :			: drop drop ;
3261 :			: = = ;
3262 :			: 0= 0= ;
3263 :			: lshift lshift ;
3264 :			: 2/ 2/ ;
3265 :	jwilke	1.103	\ : . . ;
3266 :	anton	1.1
3267 :	jwilke	1.79	: all-words ['] forced? IS skip? ;
3268 :	pazsan	1.43	: needed-words ['] needed? IS skip? ;
3269 :	jwilke	1.75	: undef-words ['] defined2? IS skip? ;
3270 :			: skipdef skipdef ;
3271 :	anton	1.1
3272 :	pazsan	1.40	: \ postpone \ ; immediate
3273 :	pazsan	1.47	: \G T-\G ; immediate
3274 :	pazsan	1.40	: ( postpone ( ; immediate
3275 :	anton	1.1	: include bl word count included ;
3276 :	jwilke	1.103	: included swap >image swap included ;
3277 :	jwilke	1.52	: require require ;
3278 :	jwilke	1.103	: needs require ;
3279 :	anton	1.1	: .( [char] ) parse type ;
3280 :	jwilke	1.52	: ." [char] " parse type ;
3281 :	anton	1.1	: cr cr ;
3282 :
3283 :	jwilke	1.77	: times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3284 :
3285 :			\ only forth also cross also minimal definitions order
3286 :	anton	1.1
3287 :			\ cross-compiler words
3288 :
3289 :	jwilke	1.103	: decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3290 :			: hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
3291 :	anton	1.1
3292 :	jwilke	1.77	\ : tudp X tudp ;
3293 :			\ : tup X tup ;
3294 :
3295 :			: doc-off false to-doc ! ;
3296 :			: doc-on true to-doc ! ;
3297 :	pazsan	1.39
3298 :	jwilke	1.103	: declareunique ( "name" -- )
3299 :			\G Sets the unique flag for a ghost. The assembler output
3300 :			\G generates labels with the ghostname concatenated with the address
3301 :			\G while cross-compiling. The address is concatenated
3302 :			\G because we have double occurences of the same name.
3303 :			\G If we want to reference the labels from the assembler or C
3304 :			\G code we declare them unique, so the address is skipped.
3305 :			Ghost >ghost-flags dup @ <unique> or swap ! ;
3306 :
3307 :			\ [IFDEF] dbg : dbg dbg ; [THEN]
3308 :	pazsan	1.39
3309 :	anton	1.1	\ for debugging...
3310 :	jwilke	1.103	\ : dbg dbg ;
3311 :			: horder order ;
3312 :			: hwords words ;
3313 :			\ : words also ghosts
3314 :			\ words previous ;
3315 :			\ : .s .s ;
3316 :	anton	1.1	: bye bye ;
3317 :	pazsan	1.99
3318 :	jwilke	1.103	\ dummy
3319 :			: group 0 word drop ;
3320 :
3321 :	anton	1.1	\ turnkey direction
3322 :			: H forth ; immediate
3323 :			: T minimal ; immediate
3324 :			: G ghosts ; immediate
3325 :
3326 :
3327 :			\ these ones are pefered:
3328 :
3329 :	jwilke	1.74	: unlock previous forth also cross ;
3330 :	jwilke	1.52
3331 :	jwilke	1.77	\ also minimal
3332 :	jwilke	1.103	>cross
3333 :
3334 :			: turnkey
3335 :			ghosts-wordlist 1 set-order
3336 :			also target definitions
3337 :			also Minimal also ;
3338 :
3339 :			>minimal
3340 :
3341 :			: [[+++
3342 :			turnkey unlock ;
3343 :	anton	1.1
3344 :			unlock definitions also minimal
3345 :	jwilke	1.77
3346 :	jwilke	1.103	: lock turnkey ;
3347 :
3348 :			Defer +++]]-hook
3349 :			: +++]] +++]]-hook lock ;
3350 :
3351 :			LOCK
3352 :	jwilke	1.77	\ load cross compiler extension defined in mach file
3353 :
3354 :			UNLOCK >CROSS
3355 :
3356 :			[IFDEF] extend-cross extend-cross [THEN]
3357 :
3358 :			LOCK
3359 :	jwilke	1.103
3360 :
3361 :

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